From 5c816341e71f0e6ce55a6eea27764f8b34de219b Mon Sep 17 00:00:00 2001
From: jpbl <jpbl>
Date: Thu, 9 Jun 2005 18:49:52 +0000
Subject: [PATCH] cleanup
---
src/audio/portaudio/LICENSE.txt | 65 -
src/audio/portaudio/Makefile | 178 -
src/audio/portaudio/Makefile.in | 177 -
src/audio/portaudio/README.txt | 81 -
src/audio/portaudio/V19-devel-readme.txt | 222 -
src/audio/portaudio/aclocal.m4 | 57 -
src/audio/portaudio/config.cache | 29 -
src/audio/portaudio/config.doxy | 185 -
src/audio/portaudio/config.guess | 1308 ------
src/audio/portaudio/config.log | 54 -
src/audio/portaudio/config.status | 175 -
src/audio/portaudio/config.sub | 1492 -------
src/audio/portaudio/configure | 1987 ---------
src/audio/portaudio/configure.in | 246 --
src/audio/portaudio/docs/index.html | 60 -
src/audio/portaudio/docs/latency.html | 192 -
src/audio/portaudio/docs/pa_impl_guide.html | 197 -
.../portaudio/docs/pa_impl_startstop.html | 190 -
src/audio/portaudio/docs/pa_tut_asio.html | 55 -
src/audio/portaudio/docs/pa_tut_callback.html | 91 -
src/audio/portaudio/docs/pa_tut_devs.html | 65 -
src/audio/portaudio/docs/pa_tut_explore.html | 42 -
src/audio/portaudio/docs/pa_tut_init.html | 43 -
src/audio/portaudio/docs/pa_tut_mac.html | 41 -
src/audio/portaudio/docs/pa_tut_mac_osx.html | 46 -
src/audio/portaudio/docs/pa_tut_open.html | 52 -
src/audio/portaudio/docs/pa_tut_oss.html | 46 -
src/audio/portaudio/docs/pa_tut_over.html | 92 -
src/audio/portaudio/docs/pa_tut_pc.html | 78 -
src/audio/portaudio/docs/pa_tut_run.html | 56 -
src/audio/portaudio/docs/pa_tut_rw.html | 79 -
src/audio/portaudio/docs/pa_tut_term.html | 47 -
src/audio/portaudio/docs/pa_tut_util.html | 55 -
src/audio/portaudio/docs/pa_tutorial.html | 46 -
src/audio/portaudio/docs/portaudio_h.txt | 425 --
.../portaudio/docs/portaudio_icmc2001.pdf | Bin 50968 -> 0 bytes
src/audio/portaudio/docs/proposals.html | 36 -
src/audio/portaudio/docs/releases.html | 339 --
src/audio/portaudio/fixdir.bat | 19 -
src/audio/portaudio/fixfile.bat | 7 -
src/audio/portaudio/index.html | 89 -
src/audio/portaudio/install-sh | 251 --
src/audio/portaudio/pa_asio/ASIO-README.txt | 137 -
.../pa_asio/Callback_adaptation_.pdf | Bin 50527 -> 0 bytes
src/audio/portaudio/pa_asio/Pa_ASIO.pdf | Bin 50778 -> 0 bytes
.../pa_asio/iasiothiscallresolver.cpp | 563 ---
.../portaudio/pa_asio/iasiothiscallresolver.h | 197 -
src/audio/portaudio/pa_asio/pa_asio.cpp | 2901 -------------
src/audio/portaudio/pa_asio/pa_asio.h | 122 -
src/audio/portaudio/pa_beos/PlaybackNode.cc | 538 ---
src/audio/portaudio/pa_beos/PlaybackNode.h | 108 -
src/audio/portaudio/pa_beos/pa_beos_mk.cc | 441 --
src/audio/portaudio/pa_common/pa_allocation.c | 234 --
src/audio/portaudio/pa_common/pa_allocation.h | 95 -
src/audio/portaudio/pa_common/pa_converters.c | 1926 ---------
src/audio/portaudio/pa_common/pa_converters.h | 254 --
src/audio/portaudio/pa_common/pa_cpuload.c | 96 -
src/audio/portaudio/pa_common/pa_cpuload.h | 63 -
src/audio/portaudio/pa_common/pa_dither.c | 204 -
src/audio/portaudio/pa_common/pa_dither.h | 91 -
src/audio/portaudio/pa_common/pa_endianness.h | 111 -
src/audio/portaudio/pa_common/pa_front.c | 1976 ---------
src/audio/portaudio/pa_common/pa_hostapi.h | 244 --
src/audio/portaudio/pa_common/pa_process.c | 1756 --------
src/audio/portaudio/pa_common/pa_process.h | 741 ----
src/audio/portaudio/pa_common/pa_skeleton.c | 807 ----
src/audio/portaudio/pa_common/pa_stream.c | 141 -
src/audio/portaudio/pa_common/pa_stream.h | 196 -
src/audio/portaudio/pa_common/pa_trace.c | 88 -
src/audio/portaudio/pa_common/pa_trace.h | 70 -
src/audio/portaudio/pa_common/pa_types.h | 65 -
src/audio/portaudio/pa_common/pa_util.h | 167 -
src/audio/portaudio/pa_common/portaudio.h | 1123 -----
.../portaudio/pa_dll_switch/PaDllEntry.h | 184 -
.../pa_dll_switch/letter_from_tim_010817.txt | Bin 1176 -> 0 bytes
.../portaudio/pa_dll_switch/loadPA_DLL.cpp | 203 -
src/audio/portaudio/pa_dll_switch/pa_lib.c | 827 ----
src/audio/portaudio/pa_dll_switch/portaudio.h | 439 --
src/audio/portaudio/pa_jack/pa_jack.c | 1718 --------
.../portaudio/pa_linux_alsa/pa_linux_alsa.c | 3272 ---------------
.../portaudio/pa_linux_alsa/pa_linux_alsa.h | 64 -
src/audio/portaudio/pa_mac/pa_mac_hostapis.c | 79 -
src/audio/portaudio/pa_mac_core/notes.txt | 34 -
src/audio/portaudio/pa_mac_core/pa_mac_core.c | 892 ----
src/audio/portaudio/pa_mac_sm/pa_mac_sm.c | 1656 --------
src/audio/portaudio/pa_sgi/pa_sgi.c | 1417 -------
src/audio/portaudio/pa_tests/README.txt | 60 -
src/audio/portaudio/pa_tests/debug_convert.c | 131 -
.../portaudio/pa_tests/debug_dither_calc.c | 55 -
src/audio/portaudio/pa_tests/debug_dual.c | 183 -
src/audio/portaudio/pa_tests/debug_multi_in.c | 179 -
.../portaudio/pa_tests/debug_multi_out.c | 144 -
src/audio/portaudio/pa_tests/debug_record.c | 339 --
.../portaudio/pa_tests/debug_record_reuse.c | 351 --
src/audio/portaudio/pa_tests/debug_sine.c | 192 -
src/audio/portaudio/pa_tests/debug_sine_amp.c | 157 -
.../portaudio/pa_tests/debug_sine_formats.c | 202 -
src/audio/portaudio/pa_tests/debug_srate.c | 265 --
src/audio/portaudio/pa_tests/debug_test1.c | 114 -
src/audio/portaudio/pa_tests/pa_devs.c | 230 --
src/audio/portaudio/pa_tests/pa_fuzz.c | 168 -
src/audio/portaudio/pa_tests/pa_minlat.c | 187 -
src/audio/portaudio/pa_tests/paqa_devs.c | 347 --
src/audio/portaudio/pa_tests/paqa_errs.c | 380 --
src/audio/portaudio/pa_tests/patest1.c | 192 -
src/audio/portaudio/pa_tests/patest_buffer.c | 180 -
.../portaudio/pa_tests/patest_callbackstop.c | 221 -
src/audio/portaudio/pa_tests/patest_clip.c | 178 -
src/audio/portaudio/pa_tests/patest_dither.c | 178 -
src/audio/portaudio/pa_tests/patest_hang.c | 152 -
.../portaudio/pa_tests/patest_in_overflow.c | 224 -
src/audio/portaudio/pa_tests/patest_latency.c | 182 -
.../portaudio/pa_tests/patest_leftright.c | 173 -
.../portaudio/pa_tests/patest_longsine.c | 140 -
src/audio/portaudio/pa_tests/patest_many.c | 198 -
.../portaudio/pa_tests/patest_maxsines.c | 204 -
src/audio/portaudio/pa_tests/patest_mono.c | 145 -
.../patest_mono_asio_channel_select.c | 155 -
.../portaudio/pa_tests/patest_multi_sine.c | 194 -
.../portaudio/pa_tests/patest_out_underflow.c | 217 -
src/audio/portaudio/pa_tests/patest_pink.c | 269 --
src/audio/portaudio/pa_tests/patest_prime.c | 223 -
.../portaudio/pa_tests/patest_read_record.c | 229 --
src/audio/portaudio/pa_tests/patest_record.c | 337 --
src/audio/portaudio/pa_tests/patest_ringmix.c | 79 -
src/audio/portaudio/pa_tests/patest_saw.c | 125 -
src/audio/portaudio/pa_tests/patest_sine.c | 151 -
src/audio/portaudio/pa_tests/patest_sine8.c | 212 -
.../portaudio/pa_tests/patest_sine_formats.c | 196 -
.../portaudio/pa_tests/patest_sine_time.c | 208 -
.../portaudio/pa_tests/patest_start_stop.c | 162 -
src/audio/portaudio/pa_tests/patest_stop.c | 313 --
.../portaudio/pa_tests/patest_stop_playout.c | 432 --
src/audio/portaudio/pa_tests/patest_sync.c | 259 --
.../portaudio/pa_tests/patest_toomanysines.c | 173 -
.../portaudio/pa_tests/patest_two_rates.c | 168 -
.../portaudio/pa_tests/patest_underflow.c | 151 -
src/audio/portaudio/pa_tests/patest_wire.c | 284 --
.../portaudio/pa_tests/patest_write_sine.c | 147 -
.../portaudio/pa_unix/pa_unix_hostapis.c | 64 -
src/audio/portaudio/pa_unix/pa_unix_util.c | 175 -
src/audio/portaudio/pa_unix/pa_unix_util.h | 73 -
.../portaudio/pa_unix_oss/low_latency_tip.txt | Bin 3111 -> 0 bytes
src/audio/portaudio/pa_unix_oss/pa_unix_oss.c | 1918 ---------
src/audio/portaudio/pa_unix_oss/recplay.c | 114 -
.../portaudio/pa_win/dev-cpp/Makefile-dll | 78 -
.../portaudio/pa_win/dev-cpp/Makefile-static | 75 -
.../pa_win/dev-cpp/portaudio-dll.dev | 209 -
.../pa_win/dev-cpp/portaudio-static.dev | 209 -
src/audio/portaudio/pa_win/dev-cpp/readme.txt | 23 -
src/audio/portaudio/pa_win/msvc/Makefile.msvc | 159 -
src/audio/portaudio/pa_win/msvc/clean.bat | 7 -
src/audio/portaudio/pa_win/msvc/make.bat | 8 -
src/audio/portaudio/pa_win/msvc/portaudio.def | 43 -
src/audio/portaudio/pa_win/msvc/readme.txt | 56 -
src/audio/portaudio/pa_win/msvc/setenv.bat | 1 -
src/audio/portaudio/pa_win/pa_win_hostapis.c | 86 -
src/audio/portaudio/pa_win/pa_win_util.c | 134 -
.../pa_win/pa_x86_plain_converters.c | 1167 ------
.../pa_win/pa_x86_plain_converters.h | 19 -
.../portaudio/pa_win_ds/dsound_wrapper.c | 616 ---
.../portaudio/pa_win_ds/dsound_wrapper.h | 130 -
src/audio/portaudio/pa_win_ds/pa_win_ds.c | 1822 ---------
.../portaudio/pa_win_wdmks/pa_win_wdmks.c | 3179 ---------------
src/audio/portaudio/pa_win_wdmks/readme.txt | 71 -
src/audio/portaudio/pa_win_wmme/pa_win_wmme.c | 3623 -----------------
src/audio/portaudio/pa_win_wmme/pa_win_wmme.h | 160 -
src/audio/portaudio/pablio/README.txt | 39 -
src/audio/portaudio/pablio/pablio.c | 307 --
src/audio/portaudio/pablio/pablio.def | 35 -
src/audio/portaudio/pablio/pablio.h | 109 -
src/audio/portaudio/pablio/ringbuffer.c | 199 -
src/audio/portaudio/pablio/ringbuffer.h | 101 -
src/audio/portaudio/pablio/test_rw.c | 99 -
src/audio/portaudio/pablio/test_rw_echo.c | 123 -
src/audio/portaudio/pablio/test_w_saw.c | 108 -
src/audio/portaudio/pablio/test_w_saw8.c | 106 -
177 files changed, 61415 deletions(-)
delete mode 100644 src/audio/portaudio/LICENSE.txt
delete mode 100644 src/audio/portaudio/Makefile
delete mode 100644 src/audio/portaudio/Makefile.in
delete mode 100644 src/audio/portaudio/README.txt
delete mode 100644 src/audio/portaudio/V19-devel-readme.txt
delete mode 100644 src/audio/portaudio/aclocal.m4
delete mode 100644 src/audio/portaudio/config.cache
delete mode 100644 src/audio/portaudio/config.doxy
delete mode 100755 src/audio/portaudio/config.guess
delete mode 100644 src/audio/portaudio/config.log
delete mode 100755 src/audio/portaudio/config.status
delete mode 100755 src/audio/portaudio/config.sub
delete mode 100755 src/audio/portaudio/configure
delete mode 100644 src/audio/portaudio/configure.in
delete mode 100644 src/audio/portaudio/docs/index.html
delete mode 100644 src/audio/portaudio/docs/latency.html
delete mode 100644 src/audio/portaudio/docs/pa_impl_guide.html
delete mode 100644 src/audio/portaudio/docs/pa_impl_startstop.html
delete mode 100644 src/audio/portaudio/docs/pa_tut_asio.html
delete mode 100644 src/audio/portaudio/docs/pa_tut_callback.html
delete mode 100644 src/audio/portaudio/docs/pa_tut_devs.html
delete mode 100644 src/audio/portaudio/docs/pa_tut_explore.html
delete mode 100644 src/audio/portaudio/docs/pa_tut_init.html
delete mode 100644 src/audio/portaudio/docs/pa_tut_mac.html
delete mode 100644 src/audio/portaudio/docs/pa_tut_mac_osx.html
delete mode 100644 src/audio/portaudio/docs/pa_tut_open.html
delete mode 100644 src/audio/portaudio/docs/pa_tut_oss.html
delete mode 100644 src/audio/portaudio/docs/pa_tut_over.html
delete mode 100644 src/audio/portaudio/docs/pa_tut_pc.html
delete mode 100644 src/audio/portaudio/docs/pa_tut_run.html
delete mode 100644 src/audio/portaudio/docs/pa_tut_rw.html
delete mode 100644 src/audio/portaudio/docs/pa_tut_term.html
delete mode 100644 src/audio/portaudio/docs/pa_tut_util.html
delete mode 100644 src/audio/portaudio/docs/pa_tutorial.html
delete mode 100644 src/audio/portaudio/docs/portaudio_h.txt
delete mode 100644 src/audio/portaudio/docs/portaudio_icmc2001.pdf
delete mode 100644 src/audio/portaudio/docs/proposals.html
delete mode 100644 src/audio/portaudio/docs/releases.html
delete mode 100755 src/audio/portaudio/fixdir.bat
delete mode 100755 src/audio/portaudio/fixfile.bat
delete mode 100644 src/audio/portaudio/index.html
delete mode 100755 src/audio/portaudio/install-sh
delete mode 100644 src/audio/portaudio/pa_asio/ASIO-README.txt
delete mode 100644 src/audio/portaudio/pa_asio/Callback_adaptation_.pdf
delete mode 100644 src/audio/portaudio/pa_asio/Pa_ASIO.pdf
delete mode 100644 src/audio/portaudio/pa_asio/iasiothiscallresolver.cpp
delete mode 100644 src/audio/portaudio/pa_asio/iasiothiscallresolver.h
delete mode 100644 src/audio/portaudio/pa_asio/pa_asio.cpp
delete mode 100644 src/audio/portaudio/pa_asio/pa_asio.h
delete mode 100644 src/audio/portaudio/pa_beos/PlaybackNode.cc
delete mode 100644 src/audio/portaudio/pa_beos/PlaybackNode.h
delete mode 100644 src/audio/portaudio/pa_beos/pa_beos_mk.cc
delete mode 100644 src/audio/portaudio/pa_common/pa_allocation.c
delete mode 100644 src/audio/portaudio/pa_common/pa_allocation.h
delete mode 100644 src/audio/portaudio/pa_common/pa_converters.c
delete mode 100644 src/audio/portaudio/pa_common/pa_converters.h
delete mode 100644 src/audio/portaudio/pa_common/pa_cpuload.c
delete mode 100644 src/audio/portaudio/pa_common/pa_cpuload.h
delete mode 100644 src/audio/portaudio/pa_common/pa_dither.c
delete mode 100644 src/audio/portaudio/pa_common/pa_dither.h
delete mode 100644 src/audio/portaudio/pa_common/pa_endianness.h
delete mode 100644 src/audio/portaudio/pa_common/pa_front.c
delete mode 100644 src/audio/portaudio/pa_common/pa_hostapi.h
delete mode 100644 src/audio/portaudio/pa_common/pa_process.c
delete mode 100644 src/audio/portaudio/pa_common/pa_process.h
delete mode 100644 src/audio/portaudio/pa_common/pa_skeleton.c
delete mode 100644 src/audio/portaudio/pa_common/pa_stream.c
delete mode 100644 src/audio/portaudio/pa_common/pa_stream.h
delete mode 100644 src/audio/portaudio/pa_common/pa_trace.c
delete mode 100644 src/audio/portaudio/pa_common/pa_trace.h
delete mode 100644 src/audio/portaudio/pa_common/pa_types.h
delete mode 100644 src/audio/portaudio/pa_common/pa_util.h
delete mode 100644 src/audio/portaudio/pa_common/portaudio.h
delete mode 100644 src/audio/portaudio/pa_dll_switch/PaDllEntry.h
delete mode 100644 src/audio/portaudio/pa_dll_switch/letter_from_tim_010817.txt
delete mode 100644 src/audio/portaudio/pa_dll_switch/loadPA_DLL.cpp
delete mode 100644 src/audio/portaudio/pa_dll_switch/pa_lib.c
delete mode 100644 src/audio/portaudio/pa_dll_switch/portaudio.h
delete mode 100644 src/audio/portaudio/pa_jack/pa_jack.c
delete mode 100644 src/audio/portaudio/pa_linux_alsa/pa_linux_alsa.c
delete mode 100644 src/audio/portaudio/pa_linux_alsa/pa_linux_alsa.h
delete mode 100644 src/audio/portaudio/pa_mac/pa_mac_hostapis.c
delete mode 100644 src/audio/portaudio/pa_mac_core/notes.txt
delete mode 100644 src/audio/portaudio/pa_mac_core/pa_mac_core.c
delete mode 100644 src/audio/portaudio/pa_mac_sm/pa_mac_sm.c
delete mode 100644 src/audio/portaudio/pa_sgi/pa_sgi.c
delete mode 100644 src/audio/portaudio/pa_tests/README.txt
delete mode 100644 src/audio/portaudio/pa_tests/debug_convert.c
delete mode 100644 src/audio/portaudio/pa_tests/debug_dither_calc.c
delete mode 100644 src/audio/portaudio/pa_tests/debug_dual.c
delete mode 100644 src/audio/portaudio/pa_tests/debug_multi_in.c
delete mode 100644 src/audio/portaudio/pa_tests/debug_multi_out.c
delete mode 100644 src/audio/portaudio/pa_tests/debug_record.c
delete mode 100644 src/audio/portaudio/pa_tests/debug_record_reuse.c
delete mode 100644 src/audio/portaudio/pa_tests/debug_sine.c
delete mode 100644 src/audio/portaudio/pa_tests/debug_sine_amp.c
delete mode 100644 src/audio/portaudio/pa_tests/debug_sine_formats.c
delete mode 100644 src/audio/portaudio/pa_tests/debug_srate.c
delete mode 100644 src/audio/portaudio/pa_tests/debug_test1.c
delete mode 100644 src/audio/portaudio/pa_tests/pa_devs.c
delete mode 100644 src/audio/portaudio/pa_tests/pa_fuzz.c
delete mode 100644 src/audio/portaudio/pa_tests/pa_minlat.c
delete mode 100644 src/audio/portaudio/pa_tests/paqa_devs.c
delete mode 100644 src/audio/portaudio/pa_tests/paqa_errs.c
delete mode 100644 src/audio/portaudio/pa_tests/patest1.c
delete mode 100644 src/audio/portaudio/pa_tests/patest_buffer.c
delete mode 100644 src/audio/portaudio/pa_tests/patest_callbackstop.c
delete mode 100644 src/audio/portaudio/pa_tests/patest_clip.c
delete mode 100644 src/audio/portaudio/pa_tests/patest_dither.c
delete mode 100644 src/audio/portaudio/pa_tests/patest_hang.c
delete mode 100644 src/audio/portaudio/pa_tests/patest_in_overflow.c
delete mode 100644 src/audio/portaudio/pa_tests/patest_latency.c
delete mode 100644 src/audio/portaudio/pa_tests/patest_leftright.c
delete mode 100644 src/audio/portaudio/pa_tests/patest_longsine.c
delete mode 100644 src/audio/portaudio/pa_tests/patest_many.c
delete mode 100644 src/audio/portaudio/pa_tests/patest_maxsines.c
delete mode 100644 src/audio/portaudio/pa_tests/patest_mono.c
delete mode 100644 src/audio/portaudio/pa_tests/patest_mono_asio_channel_select.c
delete mode 100644 src/audio/portaudio/pa_tests/patest_multi_sine.c
delete mode 100644 src/audio/portaudio/pa_tests/patest_out_underflow.c
delete mode 100644 src/audio/portaudio/pa_tests/patest_pink.c
delete mode 100644 src/audio/portaudio/pa_tests/patest_prime.c
delete mode 100644 src/audio/portaudio/pa_tests/patest_read_record.c
delete mode 100644 src/audio/portaudio/pa_tests/patest_record.c
delete mode 100644 src/audio/portaudio/pa_tests/patest_ringmix.c
delete mode 100644 src/audio/portaudio/pa_tests/patest_saw.c
delete mode 100644 src/audio/portaudio/pa_tests/patest_sine.c
delete mode 100644 src/audio/portaudio/pa_tests/patest_sine8.c
delete mode 100644 src/audio/portaudio/pa_tests/patest_sine_formats.c
delete mode 100644 src/audio/portaudio/pa_tests/patest_sine_time.c
delete mode 100644 src/audio/portaudio/pa_tests/patest_start_stop.c
delete mode 100644 src/audio/portaudio/pa_tests/patest_stop.c
delete mode 100644 src/audio/portaudio/pa_tests/patest_stop_playout.c
delete mode 100644 src/audio/portaudio/pa_tests/patest_sync.c
delete mode 100644 src/audio/portaudio/pa_tests/patest_toomanysines.c
delete mode 100644 src/audio/portaudio/pa_tests/patest_two_rates.c
delete mode 100644 src/audio/portaudio/pa_tests/patest_underflow.c
delete mode 100644 src/audio/portaudio/pa_tests/patest_wire.c
delete mode 100644 src/audio/portaudio/pa_tests/patest_write_sine.c
delete mode 100644 src/audio/portaudio/pa_unix/pa_unix_hostapis.c
delete mode 100644 src/audio/portaudio/pa_unix/pa_unix_util.c
delete mode 100644 src/audio/portaudio/pa_unix/pa_unix_util.h
delete mode 100644 src/audio/portaudio/pa_unix_oss/low_latency_tip.txt
delete mode 100644 src/audio/portaudio/pa_unix_oss/pa_unix_oss.c
delete mode 100644 src/audio/portaudio/pa_unix_oss/recplay.c
delete mode 100644 src/audio/portaudio/pa_win/dev-cpp/Makefile-dll
delete mode 100644 src/audio/portaudio/pa_win/dev-cpp/Makefile-static
delete mode 100644 src/audio/portaudio/pa_win/dev-cpp/portaudio-dll.dev
delete mode 100644 src/audio/portaudio/pa_win/dev-cpp/portaudio-static.dev
delete mode 100644 src/audio/portaudio/pa_win/dev-cpp/readme.txt
delete mode 100644 src/audio/portaudio/pa_win/msvc/Makefile.msvc
delete mode 100755 src/audio/portaudio/pa_win/msvc/clean.bat
delete mode 100755 src/audio/portaudio/pa_win/msvc/make.bat
delete mode 100644 src/audio/portaudio/pa_win/msvc/portaudio.def
delete mode 100644 src/audio/portaudio/pa_win/msvc/readme.txt
delete mode 100755 src/audio/portaudio/pa_win/msvc/setenv.bat
delete mode 100644 src/audio/portaudio/pa_win/pa_win_hostapis.c
delete mode 100644 src/audio/portaudio/pa_win/pa_win_util.c
delete mode 100644 src/audio/portaudio/pa_win/pa_x86_plain_converters.c
delete mode 100644 src/audio/portaudio/pa_win/pa_x86_plain_converters.h
delete mode 100644 src/audio/portaudio/pa_win_ds/dsound_wrapper.c
delete mode 100644 src/audio/portaudio/pa_win_ds/dsound_wrapper.h
delete mode 100644 src/audio/portaudio/pa_win_ds/pa_win_ds.c
delete mode 100644 src/audio/portaudio/pa_win_wdmks/pa_win_wdmks.c
delete mode 100644 src/audio/portaudio/pa_win_wdmks/readme.txt
delete mode 100644 src/audio/portaudio/pa_win_wmme/pa_win_wmme.c
delete mode 100644 src/audio/portaudio/pa_win_wmme/pa_win_wmme.h
delete mode 100644 src/audio/portaudio/pablio/README.txt
delete mode 100644 src/audio/portaudio/pablio/pablio.c
delete mode 100644 src/audio/portaudio/pablio/pablio.def
delete mode 100644 src/audio/portaudio/pablio/pablio.h
delete mode 100644 src/audio/portaudio/pablio/ringbuffer.c
delete mode 100644 src/audio/portaudio/pablio/ringbuffer.h
delete mode 100644 src/audio/portaudio/pablio/test_rw.c
delete mode 100644 src/audio/portaudio/pablio/test_rw_echo.c
delete mode 100644 src/audio/portaudio/pablio/test_w_saw.c
delete mode 100644 src/audio/portaudio/pablio/test_w_saw8.c
diff --git a/src/audio/portaudio/LICENSE.txt b/src/audio/portaudio/LICENSE.txt
deleted file mode 100644
index 105da3f751..0000000000
--- a/src/audio/portaudio/LICENSE.txt
+++ /dev/null
@@ -1,65 +0,0 @@
-Portable header file to contain:
-/*
- * PortAudio Portable Real-Time Audio Library
- * PortAudio API Header File
- * Latest version available at: http://www.audiomulch.com/portaudio/
- *
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-
-
-Implementation files to contain:
-/*
- * PortAudio Portable Real-Time Audio Library
- * Latest version at: http://www.audiomulch.com/portaudio/
- * <platform> Implementation
- * Copyright (c) 1999-2000 <author(s)>
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
\ No newline at end of file
diff --git a/src/audio/portaudio/Makefile b/src/audio/portaudio/Makefile
deleted file mode 100644
index ac6070d38f..0000000000
--- a/src/audio/portaudio/Makefile
+++ /dev/null
@@ -1,178 +0,0 @@
-# Generated automatically from Makefile.in by configure.
-#
-# PortAudio V19 Makefile.in
-#
-# Dominic Mazzoni
-#
-
-PREFIX = /opt
-CC = gcc
-CFLAGS = -g -O2 -Wall -DPA_LITTLE_ENDIAN -Ipa_common -DSIZEOF_SHORT=2 -DSIZEOF_INT=4 -DSIZEOF_LONG=4 -DHAVE_LIBPTHREAD=1 -DPA_USE_ALSA=1 -DPA_USE_OSS=1
-LIBS = -lpthread -lasound -lm -lpthread
-AR = /usr/bin/ar
-RANLIB = ranlib
-INSTALL = /usr/bin/install -c
-SHARED_FLAGS = -shared
-DLL_LIBS = -lasound
-CXXFLAGS =
-NASM =
-NASMOPT =
-
-OTHER_OBJS = pa_linux_alsa/pa_linux_alsa.o pa_unix_oss/pa_unix_oss.o pa_unix/pa_unix_hostapis.o pa_unix/pa_unix_util.o
-
-PALIB = libportaudio.a
-PADLL = libportaudio.so
-PADLLV = $(PADLL).0.0.19
-PAINC = pa_common/portaudio.h
-
-COMMON_OBJS = \
- pa_common/pa_allocation.o \
- pa_common/pa_converters.o \
- pa_common/pa_cpuload.o \
- pa_common/pa_dither.o \
- pa_common/pa_front.o \
- pa_common/pa_process.o \
- pa_common/pa_skeleton.o \
- pa_common/pa_stream.o \
- pa_common/pa_trace.o
-
-TESTS = \
- bin/paqa_devs \
- bin/paqa_errs \
- bin/patest1 \
- bin/patest_buffer \
- bin/patest_callbackstop \
- bin/patest_clip \
- bin/patest_dither \
- bin/patest_hang \
- bin/patest_in_overflow \
- bin/patest_latency \
- bin/patest_leftright \
- bin/patest_longsine \
- bin/patest_many \
- bin/patest_maxsines \
- bin/patest_multi_sine \
- bin/patest_out_underflow \
- bin/patest_pink \
- bin/patest_prime \
- bin/patest_read_record \
- bin/patest_record \
- bin/patest_ringmix \
- bin/patest_saw \
- bin/patest_sine8 \
- bin/patest_sine \
- bin/patest_sine_formats \
- bin/patest_sine_time \
- bin/patest_start_stop \
- bin/patest_stop \
- bin/patest_sync \
- bin/patest_toomanysines \
- bin/patest_underflow \
- bin/patest_wire \
- bin/patest_write_sine \
- bin/pa_devs \
- bin/pa_fuzz \
- bin/pa_minlat
-
-# Most of these don't compile yet. Put them in TESTS, above, if
-# you want to try to compile them...
-ALL_TESTS = \
- bin/debug_convert \
- bin/debug_dither_calc \
- bin/debug_dual \
- bin/debug_multi_in \
- bin/debug_multi_out \
- bin/debug_record \
- bin/debug_record_reuse \
- bin/debug_sine_amp \
- bin/debug_sine \
- bin/debug_sine_formats \
- bin/debug_srate \
- bin/debug_test1 \
- bin/pa_devs \
- bin/pa_fuzz \
- bin/pa_minlat \
- bin/paqa_devs \
- bin/paqa_errs \
- bin/patest1 \
- bin/patest_buffer \
- bin/patest_clip \
- bin/patest_dither \
- bin/patest_hang \
- bin/patest_in_overflow \
- bin/patest_latency \
- bin/patest_leftright \
- bin/patest_longsine \
- bin/patest_many \
- bin/patest_maxsines \
- bin/patest_multi_sine \
- bin/patest_out_underflow \
- bin/patest_pink \
- bin/patest_read_record \
- bin/patest_record \
- bin/patest_ringmix \
- bin/patest_saw \
- bin/patest_sine8 \
- bin/patest_sine \
- bin/patest_sine_formats \
- bin/patest_sine_time \
- bin/patest_start_stop \
- bin/patest_stop \
- bin/patest_sync \
- bin/patest_toomanysines \
- bin/patest_underflow \
- bin/patest_wire \
- bin/patest_write_sine
-
-OBJS = $(COMMON_OBJS) $(OTHER_OBJS)
-
-all: lib/$(PALIB) lib/$(PADLLV) tests
-
-tests: bin/ $(TESTS)
-
-lib/$(PALIB): lib/ $(OBJS) Makefile $(PAINC)
- $(AR) ruv lib/$(PALIB) $(OBJS)
- $(RANLIB) lib/$(PALIB)
-
-lib/$(PADLLV): lib/ $(OBJS) Makefile $(PAINC)
- $(CC) $(SHARED_FLAGS) -o lib/$(PADLLV) $(OBJS) $(DLL_LIBS)
-
-$(TESTS): bin/%: lib/$(PALIB) Makefile $(PAINC) pa_tests/%.c
- $(CC) -o $@ $(CFLAGS) pa_tests/$*.c lib/$(PALIB) $(LIBS)
-
-install: lib/$(PALIB) lib/$(PADLLV)
- $(INSTALL) -m 644 lib/$(PADLLV) $(PREFIX)/lib/$(PADLLV)
- $(INSTALL) -m 644 lib/$(PALIB) $(PREFIX)/lib/$(PALIB)
- cd $(PREFIX)/lib && rm -f $(PADLL) && ln -s $(PADLLV) $(PADLL)
- $(INSTALL) -m 644 pa_common/portaudio.h $(PREFIX)/include/portaudio.h
- @echo ""
- @echo "------------------------------------------------------------"
- @echo "PortAudio was successfully installed."
- @echo ""
- @echo "On some systems (e.g. Linux) you should run 'ldconfig' now"
- @echo "to make the shared object available. You may also need to"
- @echo "modify your LD_LIBRARY_PATH environment variable to include"
- @echo "the directory $(PREFIX)/lib"
- @echo "------------------------------------------------------------"
- @echo ""
-
-clean:
- rm -f $(OBJS) $(TESTS) lib/$(PALIB) lib/$(PADLLV)
-
-%.o: %.c Makefile $(PAINC)
- $(CC) -c $(CFLAGS) $< -o $@
-
-%.o: %.cpp Makefile $(PAINC)
- $(CXX) -c $(CXXFLAGS) $< -o $@
-
-%.o: %.asm
- $(NASM) $(NASMOPT) -o $@ $<
-
-bin:
- mkdir bin
-
-lib:
- mkdir lib
-
-
-
diff --git a/src/audio/portaudio/Makefile.in b/src/audio/portaudio/Makefile.in
deleted file mode 100644
index 841aedb9bf..0000000000
--- a/src/audio/portaudio/Makefile.in
+++ /dev/null
@@ -1,177 +0,0 @@
-#
-# PortAudio V19 Makefile.in
-#
-# Dominic Mazzoni
-#
-
-PREFIX = @prefix@
-CC = @CC@
-CFLAGS = @CFLAGS@ -Ipa_common @DEFS@
-LIBS = @LIBS@
-AR = @AR@
-RANLIB = @RANLIB@
-INSTALL = @INSTALL@
-SHARED_FLAGS = @SHARED_FLAGS@
-DLL_LIBS = @DLL_LIBS@
-CXXFLAGS = @CXXFLAGS@
-NASM = @NASM@
-NASMOPT = @NASMOPT@
-
-OTHER_OBJS = @OTHER_OBJS@
-
-PALIB = libportaudio.a
-PADLL = @PADLL@
-PADLLV = $(PADLL).0.0.19
-PAINC = pa_common/portaudio.h
-
-COMMON_OBJS = \
- pa_common/pa_allocation.o \
- pa_common/pa_converters.o \
- pa_common/pa_cpuload.o \
- pa_common/pa_dither.o \
- pa_common/pa_front.o \
- pa_common/pa_process.o \
- pa_common/pa_skeleton.o \
- pa_common/pa_stream.o \
- pa_common/pa_trace.o
-
-TESTS = \
- bin/paqa_devs \
- bin/paqa_errs \
- bin/patest1 \
- bin/patest_buffer \
- bin/patest_callbackstop \
- bin/patest_clip \
- bin/patest_dither \
- bin/patest_hang \
- bin/patest_in_overflow \
- bin/patest_latency \
- bin/patest_leftright \
- bin/patest_longsine \
- bin/patest_many \
- bin/patest_maxsines \
- bin/patest_multi_sine \
- bin/patest_out_underflow \
- bin/patest_pink \
- bin/patest_prime \
- bin/patest_read_record \
- bin/patest_record \
- bin/patest_ringmix \
- bin/patest_saw \
- bin/patest_sine8 \
- bin/patest_sine \
- bin/patest_sine_formats \
- bin/patest_sine_time \
- bin/patest_start_stop \
- bin/patest_stop \
- bin/patest_sync \
- bin/patest_toomanysines \
- bin/patest_underflow \
- bin/patest_wire \
- bin/patest_write_sine \
- bin/pa_devs \
- bin/pa_fuzz \
- bin/pa_minlat
-
-# Most of these don't compile yet. Put them in TESTS, above, if
-# you want to try to compile them...
-ALL_TESTS = \
- bin/debug_convert \
- bin/debug_dither_calc \
- bin/debug_dual \
- bin/debug_multi_in \
- bin/debug_multi_out \
- bin/debug_record \
- bin/debug_record_reuse \
- bin/debug_sine_amp \
- bin/debug_sine \
- bin/debug_sine_formats \
- bin/debug_srate \
- bin/debug_test1 \
- bin/pa_devs \
- bin/pa_fuzz \
- bin/pa_minlat \
- bin/paqa_devs \
- bin/paqa_errs \
- bin/patest1 \
- bin/patest_buffer \
- bin/patest_clip \
- bin/patest_dither \
- bin/patest_hang \
- bin/patest_in_overflow \
- bin/patest_latency \
- bin/patest_leftright \
- bin/patest_longsine \
- bin/patest_many \
- bin/patest_maxsines \
- bin/patest_multi_sine \
- bin/patest_out_underflow \
- bin/patest_pink \
- bin/patest_read_record \
- bin/patest_record \
- bin/patest_ringmix \
- bin/patest_saw \
- bin/patest_sine8 \
- bin/patest_sine \
- bin/patest_sine_formats \
- bin/patest_sine_time \
- bin/patest_start_stop \
- bin/patest_stop \
- bin/patest_sync \
- bin/patest_toomanysines \
- bin/patest_underflow \
- bin/patest_wire \
- bin/patest_write_sine
-
-OBJS = $(COMMON_OBJS) $(OTHER_OBJS)
-
-all: lib/$(PALIB) lib/$(PADLLV) tests
-
-tests: bin/ $(TESTS)
-
-lib/$(PALIB): lib/ $(OBJS) Makefile $(PAINC)
- $(AR) ruv lib/$(PALIB) $(OBJS)
- $(RANLIB) lib/$(PALIB)
-
-lib/$(PADLLV): lib/ $(OBJS) Makefile $(PAINC)
- $(CC) $(SHARED_FLAGS) -o lib/$(PADLLV) $(OBJS) $(DLL_LIBS)
-
-$(TESTS): bin/%: lib/$(PALIB) Makefile $(PAINC) pa_tests/%.c
- $(CC) -o $@ $(CFLAGS) pa_tests/$*.c lib/$(PALIB) $(LIBS)
-
-install: lib/$(PALIB) lib/$(PADLLV)
- $(INSTALL) -m 644 lib/$(PADLLV) $(PREFIX)/lib/$(PADLLV)
- $(INSTALL) -m 644 lib/$(PALIB) $(PREFIX)/lib/$(PALIB)
- cd $(PREFIX)/lib && rm -f $(PADLL) && ln -s $(PADLLV) $(PADLL)
- $(INSTALL) -m 644 pa_common/portaudio.h $(PREFIX)/include/portaudio.h
- @echo ""
- @echo "------------------------------------------------------------"
- @echo "PortAudio was successfully installed."
- @echo ""
- @echo "On some systems (e.g. Linux) you should run 'ldconfig' now"
- @echo "to make the shared object available. You may also need to"
- @echo "modify your LD_LIBRARY_PATH environment variable to include"
- @echo "the directory $(PREFIX)/lib"
- @echo "------------------------------------------------------------"
- @echo ""
-
-clean:
- rm -f $(OBJS) $(TESTS) lib/$(PALIB) lib/$(PADLLV)
-
-%.o: %.c Makefile $(PAINC)
- $(CC) -c $(CFLAGS) $< -o $@
-
-%.o: %.cpp Makefile $(PAINC)
- $(CXX) -c $(CXXFLAGS) $< -o $@
-
-%.o: %.asm
- $(NASM) $(NASMOPT) -o $@ $<
-
-bin:
- mkdir bin
-
-lib:
- mkdir lib
-
-
-
diff --git a/src/audio/portaudio/README.txt b/src/audio/portaudio/README.txt
deleted file mode 100644
index 4cfc6166ef..0000000000
--- a/src/audio/portaudio/README.txt
+++ /dev/null
@@ -1,81 +0,0 @@
-README for PortAudio
-Implementations for PC DirectSound and Mac SoundManager
-
-/*
- * PortAudio Portable Real-Time Audio Library
- * Latest Version at: http://www.portaudio.com//
- *
- * Copyright (c) 1999-2000 Phil Burk and Ross Bencina
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-
-PortAudio is a portable audio I/O library designed for cross-platform
-support of audio. It uses a callback mechanism to request audio processing.
-Audio can be generated in various formats, including 32 bit floating point,
-and will be converted to the native format internally.
-
-Documentation:
- See "pa_common/portaudio.h" for API spec.
- See docs folder for a tutorial.
- Also see http://www.portaudio.com/docs/
- And see "pa_tests/patest_saw.c" for an example.
-
-For information on compiling programs with PortAudio, please see the
-tutorial at:
-
- http://www.portaudio.com/docs/pa_tutorial.html
-
-Important Files and Folders:
- pa_common/ = platform independant code
- pa_common/portaudio.h = header file for PortAudio API. Specifies API.
- pa_common/pa_lib.c = host independant code for all implementations.
-
- pablio = simple blocking read/write interface
-
-Platform Implementations
- pa_asio = ASIO for Windows and Macintosh
- pa_beos = BeOS
- pa_mac_sm = Macintosh Sound Manager for OS 8,9 and Carbon
- pa_mac_core = Macintosh Core Audio for OS X
- pa_sgi = Silicon Graphics AL
- pa_unix_oss = OSS implementation for various Unixes
- pa_win_ds = Windows Direct Sound
- pa_win_wmme = Windows MME (most widely supported)
-
-Test Programs
- pa_tests/pa_fuzz.c = guitar fuzz box
- pa_tests/pa_devs.c = print a list of available devices
- pa_tests/pa_minlat.c = determine minimum latency for your machine
- pa_tests/paqa_devs.c = self test that opens all devices
- pa_tests/paqa_errs.c = test error detection and reporting
- pa_tests/patest_clip.c = hear a sine wave clipped and unclipped
- pa_tests/patest_dither.c = hear effects of dithering (extremely subtle)
- pa_tests/patest_pink.c = fun with pink noise
- pa_tests/patest_record.c = record and playback some audio
- pa_tests/patest_maxsines.c = how many sine waves can we play? Tests Pa_GetCPULoad().
- pa_tests/patest_sine.c = output a sine wave in a simple PA app
- pa_tests/patest_sync.c = test syncronization of audio and video
- pa_tests/patest_wire.c = pass input to output, wire simulator
diff --git a/src/audio/portaudio/V19-devel-readme.txt b/src/audio/portaudio/V19-devel-readme.txt
deleted file mode 100644
index ae5570eb65..0000000000
--- a/src/audio/portaudio/V19-devel-readme.txt
+++ /dev/null
@@ -1,222 +0,0 @@
-STATUS:
-
-MME, DirectSound and ASIO versions are more-or-less working. See FIXMEs @todos
-and the proposals matrix at portaudio.com for further status.
-
-The pa_tests directory contains tests. pa_tests/README.txt notes which tests
-currently build.
-
-The PaUtil support code is finished enough for other implementations to be
-ported. No changes are expected to be made to the definition of the PaUtil
-functions.
-
-Note that it's not yet 100% clear how the current support functions
-will interact with blocking read/write streams.
-
-BUILD INSTRUCTIONS
-
-to build tests/patest_sine.c you will need to compile and link the following
-files (MME)
-pa_common\pa_process.c
-pa_common\pa_skeleton.c
-pa_common\pa_stream.c
-pa_common\pa_trace.c
-pa_common\pa_converters.c
-pa_common\pa_cpuload.c
-pa_common\pa_dither.c
-pa_common\pa_front.c
-pa_common\pa_allocation.h
-pa_win\pa_win_util.c
-pa_win\pa_win_hostapis.c
-pa_win_wmme\pa_win_wmme.c
-
-see below for a description of these files.
-
-
-FILES:
-
-portaudio.h
- public api header file
-
-pa_front.c
- implements the interface defined in portaudio.h. manages multiple host apis.
- validates function parameters before calling through to host apis. tracks
- open streams and closes them at Pa_Terminate().
-
-pa_util.h
- declares utility functions for use my implementations. including utility
- functions which must be implemented separately for each platform.
-
-pa_hostapi.h
- hostapi representation structure used to interface between pa_front.c
- and implementations
-
-pa_stream.c/h
- stream interface and representation structures and helper functions
- used to interface between pa_front.c and implementations
-
-pa_cpuload.c/h
- source and header for cpu load calculation facility
-
-pa_trace.c/h
- source and header for debug trace log facility
-
-pa_converters.c/h
- sample buffer conversion facility
-
-pa_dither.c/h
- dither noise generator
-
-pa_process.c/h
- callback buffer processing facility including interleave and block adaption
-
-pa_allocation.c/h
- allocation context for tracking groups of allocations
-
-pa_skeleton.c
- an skeleton implementation showing how the common code can be used.
-
-pa_win_util.c
- Win32 implementation of platform specific PaUtil functions (memory allocation,
- usec clock, Pa_Sleep().) The file will be used with all Win32 host APIs.
-
-pa_win_hostapis.c
- contains the paHostApiInitializers array and an implementation of
- Pa_GetDefaultHostApi() for win32 builds.
-
-pa_win_wmme.c
- Win32 host api implementation for the windows multimedia extensions audio API.
-
-pa_win_wmme.h
- public header file containing interfaces to mme-specific functions and the
- deviceInfo data structure.
-
-
-CODING GUIDELINES:
-
-naming conventions:
- #defines begin with PA_
- #defines local to a file end with _
- global utility variables begin with paUtil
- global utility types begin with PaUtil (including function types)
- global utility functions begin with PaUtil_
- static variables end with _
- static constants begin with const and end with _
- static funtions have no special prefix/suffix
-
-In general, implementations should declare all of their members static,
-except for their initializer which should be exported. All exported names
-should be preceeded by Pa<MN>_ where MN is the module name, for example
-the windows mme initializer should be named PaWinWmme_Initialize().
-
-Every host api should define an initializer which returns an error code
-and a PaHostApiInterface*. The initializer should only return an error other
-than paNoError if it encounters an unexpected and fatal error (memory allocation
-error for example). In general, there may be conditions under which it returns
-a NULL interface pointer and also returns paNoError. For example, if the ASIO
-implementation detects that ASIO is not installed, it should return a
-NULL interface, and paNoError.
-
-Platform-specific shared functions should begin with Pa<PN>_ where PN is the
-platform name. eg. PaWin_ for windows, PaUnix_ for unix.
-
-The above two conventions should also be followed whenever it is necessary to
-share functions accross multiple source files.
-
-Two utilities for debug messages are provided. The PA_DEBUG macro defined in
-pa_implementation.h provides a simple way to print debug messages to stderr.
-Due to real-time performance issues, PA_DEBUG may not be suitable for use
-within the portaudio processing callback, or in other threads. In such cases
-the event tracing facility provided in pa_trace.h may be more appropriate.
-
-If PA_LOG_API_CALLS is defined, all calls to the public PortAudio API
-will be logged to stderr along with parameter and return values.
-
-
-TODO:
- (this list is totally out of date)
-
- finish coding converter functions in pa_converters.c (anyone?)
-
- implement block adaption in pa_process.c (phil?)
-
- fix all current tests to work with new code. this should mostly involve
- changing PortAudioStream to PaStream, and GetDefaultDeviceID to GetDefaultDevice etc.
-
- write some new tests to exercise the multi-api functions
-
- write (doxygen) documentation for pa_trace (phil?)
-
- remove unused typeids from PaHostAPITypeID
-
- create a global configuration file which documents which PA_ defines can be
- used for configuration
-
- need a coding standard for comment formatting
-
- migrate directx (phil)
-
- migrate asio (ross?, stephane?)
-
- see top of pa_win_wmme.c for MME todo items (ross)
-
- write style guide document (ross)
-
-
-DESIGN ISSUES:
- (this list is totally out of date)
-
- consider removing Pa_ConvertHostApiDeviceIndexToGlobalDeviceIndex() from the API
-
- switch to new latency parameter mechanism now (?)
-
- question: if input or outputDriverInfo structures are passed for a different
- hostApi from the one being called, do we return an error or just ignore
- them? (i think return error)
-
- consider renaming PortAudioCallback to PaStreamCallback
-
- consider renaming PaError, PaResult
-
-
-ASSORTED DISORGANISED NOTES:
-
- NOTE:
- pa_lib.c performs the following validations for Pa_OpenStream() which we do not currently do:
- - checks the device info to make sure that the device supports the requested sample rate,
- it may also change the sample rate to the "closest available" sample rate if it
- is within a particular error margin
-
- rationale for breaking up internalPortAudioStream:
- each implementation has its own requirements and behavior, and should be
- able to choose the best way to operate without being limited by the
- constraints imposed by a common infrastructure. in other words the
- implementations should be able to pick and choose services from the
- common infrastructure. currently identified services include:
-
- - cpu load tracking
- - buffering and conversion service (same code works for input and output)
- - should support buffer multiplexing (non-integer length input and output buffers)
- - in-place conversion where possible (only for callback, read/write always copies)
- - should manage allocation of temporary buffers if necessary
- - instrumentation (should be able to be disabled): callback count, framesProcessed
- - common data: magic, streamInterface, callback, userdata
-
-
-- conversion functions:
- - should handle temp buffer allocation
- - dithering (random number state per-stream)
- - buffer size mismatches
- - with new buffer slip rules, temp buffers may always be needed
- - we should aim for in-place conversion wherever possible
- - does phil's code support in-place conversion? (yes)
-
-- dicuss relationship between user and host buffer sizes
- - completely independent.. individual implementations may constrain
- host buffer sizes if necessary
-
-
-- discuss device capabilities:
- - i'd like to be able to request certain information:
- - channel count for example
-
diff --git a/src/audio/portaudio/aclocal.m4 b/src/audio/portaudio/aclocal.m4
deleted file mode 100644
index c80e0acfc4..0000000000
--- a/src/audio/portaudio/aclocal.m4
+++ /dev/null
@@ -1,57 +0,0 @@
-
-dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
-dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
-dnl also defines GSTUFF_PKG_ERRORS on error
-AC_DEFUN(PKG_CHECK_MODULES, [
- succeeded=no
-
- if test -z "$PKG_CONFIG"; then
- AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
- fi
-
- if test "$PKG_CONFIG" = "no" ; then
- echo "*** The pkg-config script could not be found. Make sure it is"
- echo "*** in your path, or set the PKG_CONFIG environment variable"
- echo "*** to the full path to pkg-config."
- echo "*** Or see http://www.freedesktop.org/software/pkgconfig to get pkg-config."
- else
- PKG_CONFIG_MIN_VERSION=0.9.0
- if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
- AC_MSG_CHECKING(for $2)
-
- if $PKG_CONFIG --exists "$2" ; then
- AC_MSG_RESULT(yes)
- succeeded=yes
-
- AC_MSG_CHECKING($1_CFLAGS)
- $1_CFLAGS=`$PKG_CONFIG --cflags "$2"`
- AC_MSG_RESULT($$1_CFLAGS)
-
- AC_MSG_CHECKING($1_LIBS)
- $1_LIBS=`$PKG_CONFIG --libs "$2"`
- AC_MSG_RESULT($$1_LIBS)
- else
- $1_CFLAGS=""
- $1_LIBS=""
- ## If we have a custom action on failure, don't print errors, but
- ## do set a variable so people can do so.
- $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
- ifelse([$4], ,echo $$1_PKG_ERRORS,)
- fi
-
- AC_SUBST($1_CFLAGS)
- AC_SUBST($1_LIBS)
- else
- echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
- echo "*** See http://www.freedesktop.org/software/pkgconfig"
- fi
- fi
-
- if test $succeeded = yes; then
- ifelse([$3], , :, [$3])
- else
- ifelse([$4], , AC_MSG_ERROR([Library requirements ($2) not met; consider adjusting the PKG_CONFIG_PATH environment variable if your libraries are in a nonstandard prefix so pkg-config can find them.]), [$4])
- fi
-])
-
-
diff --git a/src/audio/portaudio/config.cache b/src/audio/portaudio/config.cache
deleted file mode 100644
index a68358b253..0000000000
--- a/src/audio/portaudio/config.cache
+++ /dev/null
@@ -1,29 +0,0 @@
-# This file is a shell script that caches the results of configure
-# tests run on this system so they can be shared between configure
-# scripts and configure runs. It is not useful on other systems.
-# If it contains results you don't want to keep, you may remove or edit it.
-#
-# By default, configure uses ./config.cache as the cache file,
-# creating it if it does not exist already. You can give configure
-# the --cache-file=FILE option to use a different cache file; that is
-# what configure does when it calls configure scripts in
-# subdirectories, so they share the cache.
-# Giving --cache-file=/dev/null disables caching, for debugging configure.
-# config.status only pays attention to the cache file if you give it the
-# --recheck option to rerun configure.
-#
-ac_cv_c_bigendian=${ac_cv_c_bigendian=no}
-ac_cv_lib_asound_snd_pcm_open=${ac_cv_lib_asound_snd_pcm_open=yes}
-ac_cv_lib_pthread_pthread_create=${ac_cv_lib_pthread_pthread_create=yes}
-ac_cv_path_AR=${ac_cv_path_AR=/usr/bin/ar}
-ac_cv_path_PKG_CONFIG=${ac_cv_path_PKG_CONFIG=/usr/bin/pkg-config}
-ac_cv_path_install=${ac_cv_path_install='/usr/bin/install -c'}
-ac_cv_prog_CC=${ac_cv_prog_CC=gcc}
-ac_cv_prog_RANLIB=${ac_cv_prog_RANLIB=ranlib}
-ac_cv_prog_cc_cross=${ac_cv_prog_cc_cross=no}
-ac_cv_prog_cc_g=${ac_cv_prog_cc_g=yes}
-ac_cv_prog_cc_works=${ac_cv_prog_cc_works=yes}
-ac_cv_prog_gcc=${ac_cv_prog_gcc=yes}
-ac_cv_sizeof_int=${ac_cv_sizeof_int=4}
-ac_cv_sizeof_long=${ac_cv_sizeof_long=4}
-ac_cv_sizeof_short=${ac_cv_sizeof_short=2}
diff --git a/src/audio/portaudio/config.doxy b/src/audio/portaudio/config.doxy
deleted file mode 100644
index f6509a32d9..0000000000
--- a/src/audio/portaudio/config.doxy
+++ /dev/null
@@ -1,185 +0,0 @@
-# Doxyfile 1.2.13-20020210
-
-#---------------------------------------------------------------------------
-# General configuration options
-#---------------------------------------------------------------------------
-PROJECT_NAME = PortAudio
-PROJECT_NUMBER = 2.0
-OUTPUT_DIRECTORY = "./docs/"
-OUTPUT_LANGUAGE = English
-EXTRACT_ALL = YES
-EXTRACT_PRIVATE = NO
-EXTRACT_STATIC = NO
-EXTRACT_LOCAL_CLASSES = YES
-HIDE_UNDOC_MEMBERS = NO
-HIDE_UNDOC_CLASSES = NO
-BRIEF_MEMBER_DESC = YES
-REPEAT_BRIEF = YES
-ALWAYS_DETAILED_SEC = NO
-INLINE_INHERITED_MEMB = NO
-FULL_PATH_NAMES = NO
-STRIP_FROM_PATH =
-INTERNAL_DOCS = NO
-STRIP_CODE_COMMENTS = YES
-CASE_SENSE_NAMES = YES
-SHORT_NAMES = NO
-HIDE_SCOPE_NAMES = NO
-VERBATIM_HEADERS = YES
-SHOW_INCLUDE_FILES = YES
-JAVADOC_AUTOBRIEF = NO
-DETAILS_AT_TOP = NO
-INHERIT_DOCS = YES
-INLINE_INFO = YES
-SORT_MEMBER_DOCS = YES
-DISTRIBUTE_GROUP_DOC = NO
-TAB_SIZE = 8
-GENERATE_TODOLIST = YES
-GENERATE_TESTLIST = YES
-GENERATE_BUGLIST = YES
-ALIASES =
-ENABLED_SECTIONS =
-MAX_INITIALIZER_LINES = 30
-OPTIMIZE_OUTPUT_FOR_C = YES
-OPTIMIZE_OUTPUT_JAVA = NO
-SHOW_USED_FILES = YES
-#---------------------------------------------------------------------------
-# configuration options related to warning and progress messages
-#---------------------------------------------------------------------------
-QUIET = NO
-WARNINGS = YES
-WARN_IF_UNDOCUMENTED = YES
-WARN_FORMAT = "$file:$line: $text"
-WARN_LOGFILE =
-#---------------------------------------------------------------------------
-# configuration options related to the input files
-#---------------------------------------------------------------------------
-INPUT = ./pa_common ./pa_win_wmme ./pa_asio ./pa_win_ds ./pa_linux_alsa ./pa_unix_oss ./pa_jack ./pa_tests
-FILE_PATTERNS = *.h *.c *.cpp
-RECURSIVE = YES
-EXCLUDE =
-EXCLUDE_SYMLINKS = NO
-EXCLUDE_PATTERNS =
-EXAMPLE_PATH =
-EXAMPLE_PATTERNS =
-EXAMPLE_RECURSIVE = NO
-IMAGE_PATH =
-INPUT_FILTER =
-FILTER_SOURCE_FILES = NO
-#---------------------------------------------------------------------------
-# configuration options related to source browsing
-#---------------------------------------------------------------------------
-SOURCE_BROWSER = NO
-INLINE_SOURCES = NO
-REFERENCED_BY_RELATION = YES
-REFERENCES_RELATION = YES
-#---------------------------------------------------------------------------
-# configuration options related to the alphabetical class index
-#---------------------------------------------------------------------------
-ALPHABETICAL_INDEX = NO
-COLS_IN_ALPHA_INDEX = 5
-IGNORE_PREFIX =
-#---------------------------------------------------------------------------
-# configuration options related to the HTML output
-#---------------------------------------------------------------------------
-GENERATE_HTML = YES
-HTML_OUTPUT = doxygen_html
-HTML_FILE_EXTENSION = .html
-HTML_HEADER =
-HTML_FOOTER =
-HTML_STYLESHEET =
-HTML_ALIGN_MEMBERS = YES
-GENERATE_HTMLHELP = NO
-GENERATE_CHI = NO
-BINARY_TOC = NO
-TOC_EXPAND = NO
-DISABLE_INDEX = NO
-ENUM_VALUES_PER_LINE = 4
-GENERATE_TREEVIEW = NO
-TREEVIEW_WIDTH = 250
-#---------------------------------------------------------------------------
-# configuration options related to the LaTeX output
-#---------------------------------------------------------------------------
-GENERATE_LATEX = NO
-LATEX_OUTPUT = latex
-LATEX_CMD_NAME = latex
-MAKEINDEX_CMD_NAME = makeindex
-COMPACT_LATEX = NO
-PAPER_TYPE = a4wide
-EXTRA_PACKAGES =
-LATEX_HEADER =
-PDF_HYPERLINKS = NO
-USE_PDFLATEX = NO
-LATEX_BATCHMODE = NO
-#---------------------------------------------------------------------------
-# configuration options related to the RTF output
-#---------------------------------------------------------------------------
-GENERATE_RTF = NO
-RTF_OUTPUT = rtf
-COMPACT_RTF = NO
-RTF_HYPERLINKS = NO
-RTF_STYLESHEET_FILE =
-RTF_EXTENSIONS_FILE =
-#---------------------------------------------------------------------------
-# configuration options related to the man page output
-#---------------------------------------------------------------------------
-GENERATE_MAN = NO
-MAN_OUTPUT = man
-MAN_EXTENSION = .3
-MAN_LINKS = NO
-#---------------------------------------------------------------------------
-# configuration options related to the XML output
-#---------------------------------------------------------------------------
-GENERATE_XML = NO
-#---------------------------------------------------------------------------
-# configuration options for the AutoGen Definitions output
-#---------------------------------------------------------------------------
-GENERATE_AUTOGEN_DEF = NO
-#---------------------------------------------------------------------------
-# Configuration options related to the preprocessor
-#---------------------------------------------------------------------------
-ENABLE_PREPROCESSING = YES
-MACRO_EXPANSION = NO
-EXPAND_ONLY_PREDEF = NO
-SEARCH_INCLUDES = YES
-INCLUDE_PATH =
-INCLUDE_FILE_PATTERNS =
-PREDEFINED =
-EXPAND_AS_DEFINED =
-SKIP_FUNCTION_MACROS = YES
-#---------------------------------------------------------------------------
-# Configuration::addtions related to external references
-#---------------------------------------------------------------------------
-TAGFILES =
-GENERATE_TAGFILE =
-ALLEXTERNALS = NO
-EXTERNAL_GROUPS = YES
-PERL_PATH = /usr/bin/perl
-#---------------------------------------------------------------------------
-# Configuration options related to the dot tool
-#---------------------------------------------------------------------------
-CLASS_DIAGRAMS = NO
-HIDE_UNDOC_RELATIONS = NO
-HAVE_DOT = NO
-CLASS_GRAPH = YES
-COLLABORATION_GRAPH = YES
-TEMPLATE_RELATIONS = YES
-INCLUDE_GRAPH = YES
-INCLUDED_BY_GRAPH = YES
-GRAPHICAL_HIERARCHY = YES
-DOT_IMAGE_FORMAT = png
-DOT_PATH =
-DOTFILE_DIRS =
-MAX_DOT_GRAPH_WIDTH = 1024
-MAX_DOT_GRAPH_HEIGHT = 1024
-GENERATE_LEGEND = YES
-DOT_CLEANUP = YES
-#---------------------------------------------------------------------------
-# Configuration::addtions related to the search engine
-#---------------------------------------------------------------------------
-SEARCHENGINE = NO
-CGI_NAME = search.cgi
-CGI_URL =
-DOC_URL =
-DOC_ABSPATH =
-BIN_ABSPATH = /usr/local/bin/
-EXT_DOC_PATHS =
diff --git a/src/audio/portaudio/config.guess b/src/audio/portaudio/config.guess
deleted file mode 100755
index 297e5c30f4..0000000000
--- a/src/audio/portaudio/config.guess
+++ /dev/null
@@ -1,1308 +0,0 @@
-#! /bin/sh
-# Attempt to guess a canonical system name.
-# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
-# Free Software Foundation, Inc.
-
-timestamp='2001-10-05'
-
-# This file is free software; you can redistribute it and/or modify it
-# under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-# General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-#
-# As a special exception to the GNU General Public License, if you
-# distribute this file as part of a program that contains a
-# configuration script generated by Autoconf, you may include it under
-# the same distribution terms that you use for the rest of that program.
-
-# Originally written by Per Bothner <bothner@cygnus.com>.
-# Please send patches to <config-patches@gnu.org>. Submit a context
-# diff and a properly formatted ChangeLog entry.
-#
-# This script attempts to guess a canonical system name similar to
-# config.sub. If it succeeds, it prints the system name on stdout, and
-# exits with 0. Otherwise, it exits with 1.
-#
-# The plan is that this can be called by configure scripts if you
-# don't specify an explicit build system type.
-
-me=`echo "$0" | sed -e 's,.*/,,'`
-
-usage="\
-Usage: $0 [OPTION]
-
-Output the configuration name of the system \`$me' is run on.
-
-Operation modes:
- -h, --help print this help, then exit
- -t, --time-stamp print date of last modification, then exit
- -v, --version print version number, then exit
-
-Report bugs and patches to <config-patches@gnu.org>."
-
-version="\
-GNU config.guess ($timestamp)
-
-Originally written by Per Bothner.
-Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
-Free Software Foundation, Inc.
-
-This is free software; see the source for copying conditions. There is NO
-warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
-
-help="
-Try \`$me --help' for more information."
-
-# Parse command line
-while test $# -gt 0 ; do
- case $1 in
- --time-stamp | --time* | -t )
- echo "$timestamp" ; exit 0 ;;
- --version | -v )
- echo "$version" ; exit 0 ;;
- --help | --h* | -h )
- echo "$usage"; exit 0 ;;
- -- ) # Stop option processing
- shift; break ;;
- - ) # Use stdin as input.
- break ;;
- -* )
- echo "$me: invalid option $1$help" >&2
- exit 1 ;;
- * )
- break ;;
- esac
-done
-
-if test $# != 0; then
- echo "$me: too many arguments$help" >&2
- exit 1
-fi
-
-
-dummy=dummy-$$
-trap 'rm -f $dummy.c $dummy.o $dummy.rel $dummy; exit 1' 1 2 15
-
-# CC_FOR_BUILD -- compiler used by this script.
-# Historically, `CC_FOR_BUILD' used to be named `HOST_CC'. We still
-# use `HOST_CC' if defined, but it is deprecated.
-
-set_cc_for_build='case $CC_FOR_BUILD,$HOST_CC,$CC in
- ,,) echo "int dummy(){}" > $dummy.c ;
- for c in cc gcc c89 ; do
- ($c $dummy.c -c -o $dummy.o) >/dev/null 2>&1 ;
- if test $? = 0 ; then
- CC_FOR_BUILD="$c"; break ;
- fi ;
- done ;
- rm -f $dummy.c $dummy.o $dummy.rel ;
- if test x"$CC_FOR_BUILD" = x ; then
- CC_FOR_BUILD=no_compiler_found ;
- fi
- ;;
- ,,*) CC_FOR_BUILD=$CC ;;
- ,*,*) CC_FOR_BUILD=$HOST_CC ;;
-esac'
-
-# This is needed to find uname on a Pyramid OSx when run in the BSD universe.
-# (ghazi@noc.rutgers.edu 1994-08-24)
-if (test -f /.attbin/uname) >/dev/null 2>&1 ; then
- PATH=$PATH:/.attbin ; export PATH
-fi
-
-UNAME_MACHINE=`(uname -m) 2>/dev/null` || UNAME_MACHINE=unknown
-UNAME_RELEASE=`(uname -r) 2>/dev/null` || UNAME_RELEASE=unknown
-UNAME_SYSTEM=`(uname -s) 2>/dev/null` || UNAME_SYSTEM=unknown
-UNAME_VERSION=`(uname -v) 2>/dev/null` || UNAME_VERSION=unknown
-
-# Note: order is significant - the case branches are not exclusive.
-
-case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
- *:NetBSD:*:*)
- # NetBSD (nbsd) targets should (where applicable) match one or
- # more of the tupples: *-*-netbsdelf*, *-*-netbsdaout*,
- # *-*-netbsdecoff* and *-*-netbsd*. For targets that recently
- # switched to ELF, *-*-netbsd* would select the old
- # object file format. This provides both forward
- # compatibility and a consistent mechanism for selecting the
- # object file format.
- # Determine the machine/vendor (is the vendor relevant).
- case "${UNAME_MACHINE}" in
- amiga) machine=m68k-unknown ;;
- arm32) machine=arm-unknown ;;
- atari*) machine=m68k-atari ;;
- sun3*) machine=m68k-sun ;;
- mac68k) machine=m68k-apple ;;
- macppc) machine=powerpc-apple ;;
- hp3[0-9][05]) machine=m68k-hp ;;
- ibmrt|romp-ibm) machine=romp-ibm ;;
- sparc*) machine=`uname -p`-unknown ;;
- *) machine=${UNAME_MACHINE}-unknown ;;
- esac
- # The Operating System including object format, if it has switched
- # to ELF recently, or will in the future.
- case "${UNAME_MACHINE}" in
- i386|sparc|amiga|arm*|hp300|mvme68k|vax|atari|luna68k|mac68k|news68k|next68k|pc532|sun3*|x68k)
- eval $set_cc_for_build
- if echo __ELF__ | $CC_FOR_BUILD -E - 2>/dev/null \
- | grep __ELF__ >/dev/null
- then
- # Once all utilities can be ECOFF (netbsdecoff) or a.out (netbsdaout).
- # Return netbsd for either. FIX?
- os=netbsd
- else
- os=netbsdelf
- fi
- ;;
- *)
- os=netbsd
- ;;
- esac
- # The OS release
- release=`echo ${UNAME_RELEASE}|sed -e 's/[-_].*/\./'`
- # Since CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM:
- # contains redundant information, the shorter form:
- # CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM is used.
- echo "${machine}-${os}${release}"
- exit 0 ;;
- amiga:OpenBSD:*:*)
- echo m68k-unknown-openbsd${UNAME_RELEASE}
- exit 0 ;;
- arc:OpenBSD:*:*)
- echo mipsel-unknown-openbsd${UNAME_RELEASE}
- exit 0 ;;
- hp300:OpenBSD:*:*)
- echo m68k-unknown-openbsd${UNAME_RELEASE}
- exit 0 ;;
- mac68k:OpenBSD:*:*)
- echo m68k-unknown-openbsd${UNAME_RELEASE}
- exit 0 ;;
- macppc:OpenBSD:*:*)
- echo powerpc-unknown-openbsd${UNAME_RELEASE}
- exit 0 ;;
- mvme68k:OpenBSD:*:*)
- echo m68k-unknown-openbsd${UNAME_RELEASE}
- exit 0 ;;
- mvme88k:OpenBSD:*:*)
- echo m88k-unknown-openbsd${UNAME_RELEASE}
- exit 0 ;;
- mvmeppc:OpenBSD:*:*)
- echo powerpc-unknown-openbsd${UNAME_RELEASE}
- exit 0 ;;
- pmax:OpenBSD:*:*)
- echo mipsel-unknown-openbsd${UNAME_RELEASE}
- exit 0 ;;
- sgi:OpenBSD:*:*)
- echo mipseb-unknown-openbsd${UNAME_RELEASE}
- exit 0 ;;
- sun3:OpenBSD:*:*)
- echo m68k-unknown-openbsd${UNAME_RELEASE}
- exit 0 ;;
- wgrisc:OpenBSD:*:*)
- echo mipsel-unknown-openbsd${UNAME_RELEASE}
- exit 0 ;;
- *:OpenBSD:*:*)
- echo ${UNAME_MACHINE}-unknown-openbsd${UNAME_RELEASE}
- exit 0 ;;
- alpha:OSF1:*:*)
- if test $UNAME_RELEASE = "V4.0"; then
- UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $3}'`
- fi
- # A Vn.n version is a released version.
- # A Tn.n version is a released field test version.
- # A Xn.n version is an unreleased experimental baselevel.
- # 1.2 uses "1.2" for uname -r.
- cat <<EOF >$dummy.s
- .data
-\$Lformat:
- .byte 37,100,45,37,120,10,0 # "%d-%x\n"
-
- .text
- .globl main
- .align 4
- .ent main
-main:
- .frame \$30,16,\$26,0
- ldgp \$29,0(\$27)
- .prologue 1
- .long 0x47e03d80 # implver \$0
- lda \$2,-1
- .long 0x47e20c21 # amask \$2,\$1
- lda \$16,\$Lformat
- mov \$0,\$17
- not \$1,\$18
- jsr \$26,printf
- ldgp \$29,0(\$26)
- mov 0,\$16
- jsr \$26,exit
- .end main
-EOF
- eval $set_cc_for_build
- $CC_FOR_BUILD $dummy.s -o $dummy 2>/dev/null
- if test "$?" = 0 ; then
- case `./$dummy` in
- 0-0)
- UNAME_MACHINE="alpha"
- ;;
- 1-0)
- UNAME_MACHINE="alphaev5"
- ;;
- 1-1)
- UNAME_MACHINE="alphaev56"
- ;;
- 1-101)
- UNAME_MACHINE="alphapca56"
- ;;
- 2-303)
- UNAME_MACHINE="alphaev6"
- ;;
- 2-307)
- UNAME_MACHINE="alphaev67"
- ;;
- 2-1307)
- UNAME_MACHINE="alphaev68"
- ;;
- esac
- fi
- rm -f $dummy.s $dummy
- echo ${UNAME_MACHINE}-dec-osf`echo ${UNAME_RELEASE} | sed -e 's/^[VTX]//' | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'`
- exit 0 ;;
- Alpha\ *:Windows_NT*:*)
- # How do we know it's Interix rather than the generic POSIX subsystem?
- # Should we change UNAME_MACHINE based on the output of uname instead
- # of the specific Alpha model?
- echo alpha-pc-interix
- exit 0 ;;
- 21064:Windows_NT:50:3)
- echo alpha-dec-winnt3.5
- exit 0 ;;
- Amiga*:UNIX_System_V:4.0:*)
- echo m68k-unknown-sysv4
- exit 0;;
- *:[Aa]miga[Oo][Ss]:*:*)
- echo ${UNAME_MACHINE}-unknown-amigaos
- exit 0 ;;
- *:OS/390:*:*)
- echo i370-ibm-openedition
- exit 0 ;;
- arm:RISC*:1.[012]*:*|arm:riscix:1.[012]*:*)
- echo arm-acorn-riscix${UNAME_RELEASE}
- exit 0;;
- SR2?01:HI-UX/MPP:*:* | SR8000:HI-UX/MPP:*:*)
- echo hppa1.1-hitachi-hiuxmpp
- exit 0;;
- Pyramid*:OSx*:*:* | MIS*:OSx*:*:* | MIS*:SMP_DC-OSx*:*:*)
- # akee@wpdis03.wpafb.af.mil (Earle F. Ake) contributed MIS and NILE.
- if test "`(/bin/universe) 2>/dev/null`" = att ; then
- echo pyramid-pyramid-sysv3
- else
- echo pyramid-pyramid-bsd
- fi
- exit 0 ;;
- NILE*:*:*:dcosx)
- echo pyramid-pyramid-svr4
- exit 0 ;;
- sun4H:SunOS:5.*:*)
- echo sparc-hal-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
- exit 0 ;;
- sun4*:SunOS:5.*:* | tadpole*:SunOS:5.*:*)
- echo sparc-sun-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
- exit 0 ;;
- i86pc:SunOS:5.*:*)
- echo i386-pc-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
- exit 0 ;;
- sun4*:SunOS:6*:*)
- # According to config.sub, this is the proper way to canonicalize
- # SunOS6. Hard to guess exactly what SunOS6 will be like, but
- # it's likely to be more like Solaris than SunOS4.
- echo sparc-sun-solaris3`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
- exit 0 ;;
- sun4*:SunOS:*:*)
- case "`/usr/bin/arch -k`" in
- Series*|S4*)
- UNAME_RELEASE=`uname -v`
- ;;
- esac
- # Japanese Language versions have a version number like `4.1.3-JL'.
- echo sparc-sun-sunos`echo ${UNAME_RELEASE}|sed -e 's/-/_/'`
- exit 0 ;;
- sun3*:SunOS:*:*)
- echo m68k-sun-sunos${UNAME_RELEASE}
- exit 0 ;;
- sun*:*:4.2BSD:*)
- UNAME_RELEASE=`(head -1 /etc/motd | awk '{print substr($5,1,3)}') 2>/dev/null`
- test "x${UNAME_RELEASE}" = "x" && UNAME_RELEASE=3
- case "`/bin/arch`" in
- sun3)
- echo m68k-sun-sunos${UNAME_RELEASE}
- ;;
- sun4)
- echo sparc-sun-sunos${UNAME_RELEASE}
- ;;
- esac
- exit 0 ;;
- aushp:SunOS:*:*)
- echo sparc-auspex-sunos${UNAME_RELEASE}
- exit 0 ;;
- # The situation for MiNT is a little confusing. The machine name
- # can be virtually everything (everything which is not
- # "atarist" or "atariste" at least should have a processor
- # > m68000). The system name ranges from "MiNT" over "FreeMiNT"
- # to the lowercase version "mint" (or "freemint"). Finally
- # the system name "TOS" denotes a system which is actually not
- # MiNT. But MiNT is downward compatible to TOS, so this should
- # be no problem.
- atarist[e]:*MiNT:*:* | atarist[e]:*mint:*:* | atarist[e]:*TOS:*:*)
- echo m68k-atari-mint${UNAME_RELEASE}
- exit 0 ;;
- atari*:*MiNT:*:* | atari*:*mint:*:* | atarist[e]:*TOS:*:*)
- echo m68k-atari-mint${UNAME_RELEASE}
- exit 0 ;;
- *falcon*:*MiNT:*:* | *falcon*:*mint:*:* | *falcon*:*TOS:*:*)
- echo m68k-atari-mint${UNAME_RELEASE}
- exit 0 ;;
- milan*:*MiNT:*:* | milan*:*mint:*:* | *milan*:*TOS:*:*)
- echo m68k-milan-mint${UNAME_RELEASE}
- exit 0 ;;
- hades*:*MiNT:*:* | hades*:*mint:*:* | *hades*:*TOS:*:*)
- echo m68k-hades-mint${UNAME_RELEASE}
- exit 0 ;;
- *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*)
- echo m68k-unknown-mint${UNAME_RELEASE}
- exit 0 ;;
- powerpc:machten:*:*)
- echo powerpc-apple-machten${UNAME_RELEASE}
- exit 0 ;;
- RISC*:Mach:*:*)
- echo mips-dec-mach_bsd4.3
- exit 0 ;;
- RISC*:ULTRIX:*:*)
- echo mips-dec-ultrix${UNAME_RELEASE}
- exit 0 ;;
- VAX*:ULTRIX*:*:*)
- echo vax-dec-ultrix${UNAME_RELEASE}
- exit 0 ;;
- 2020:CLIX:*:* | 2430:CLIX:*:*)
- echo clipper-intergraph-clix${UNAME_RELEASE}
- exit 0 ;;
- mips:*:*:UMIPS | mips:*:*:RISCos)
- eval $set_cc_for_build
- sed 's/^ //' << EOF >$dummy.c
-#ifdef __cplusplus
-#include <stdio.h> /* for printf() prototype */
- int main (int argc, char *argv[]) {
-#else
- int main (argc, argv) int argc; char *argv[]; {
-#endif
- #if defined (host_mips) && defined (MIPSEB)
- #if defined (SYSTYPE_SYSV)
- printf ("mips-mips-riscos%ssysv\n", argv[1]); exit (0);
- #endif
- #if defined (SYSTYPE_SVR4)
- printf ("mips-mips-riscos%ssvr4\n", argv[1]); exit (0);
- #endif
- #if defined (SYSTYPE_BSD43) || defined(SYSTYPE_BSD)
- printf ("mips-mips-riscos%sbsd\n", argv[1]); exit (0);
- #endif
- #endif
- exit (-1);
- }
-EOF
- $CC_FOR_BUILD $dummy.c -o $dummy \
- && ./$dummy `echo "${UNAME_RELEASE}" | sed -n 's/\([0-9]*\).*/\1/p'` \
- && rm -f $dummy.c $dummy && exit 0
- rm -f $dummy.c $dummy
- echo mips-mips-riscos${UNAME_RELEASE}
- exit 0 ;;
- Motorola:PowerMAX_OS:*:*)
- echo powerpc-motorola-powermax
- exit 0 ;;
- Night_Hawk:Power_UNIX:*:*)
- echo powerpc-harris-powerunix
- exit 0 ;;
- m88k:CX/UX:7*:*)
- echo m88k-harris-cxux7
- exit 0 ;;
- m88k:*:4*:R4*)
- echo m88k-motorola-sysv4
- exit 0 ;;
- m88k:*:3*:R3*)
- echo m88k-motorola-sysv3
- exit 0 ;;
- AViiON:dgux:*:*)
- # DG/UX returns AViiON for all architectures
- UNAME_PROCESSOR=`/usr/bin/uname -p`
- if [ $UNAME_PROCESSOR = mc88100 ] || [ $UNAME_PROCESSOR = mc88110 ]
- then
- if [ ${TARGET_BINARY_INTERFACE}x = m88kdguxelfx ] || \
- [ ${TARGET_BINARY_INTERFACE}x = x ]
- then
- echo m88k-dg-dgux${UNAME_RELEASE}
- else
- echo m88k-dg-dguxbcs${UNAME_RELEASE}
- fi
- else
- echo i586-dg-dgux${UNAME_RELEASE}
- fi
- exit 0 ;;
- M88*:DolphinOS:*:*) # DolphinOS (SVR3)
- echo m88k-dolphin-sysv3
- exit 0 ;;
- M88*:*:R3*:*)
- # Delta 88k system running SVR3
- echo m88k-motorola-sysv3
- exit 0 ;;
- XD88*:*:*:*) # Tektronix XD88 system running UTekV (SVR3)
- echo m88k-tektronix-sysv3
- exit 0 ;;
- Tek43[0-9][0-9]:UTek:*:*) # Tektronix 4300 system running UTek (BSD)
- echo m68k-tektronix-bsd
- exit 0 ;;
- *:IRIX*:*:*)
- echo mips-sgi-irix`echo ${UNAME_RELEASE}|sed -e 's/-/_/g'`
- exit 0 ;;
- ????????:AIX?:[12].1:2) # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX.
- echo romp-ibm-aix # uname -m gives an 8 hex-code CPU id
- exit 0 ;; # Note that: echo "'`uname -s`'" gives 'AIX '
- i*86:AIX:*:*)
- echo i386-ibm-aix
- exit 0 ;;
- ia64:AIX:*:*)
- if [ -x /usr/bin/oslevel ] ; then
- IBM_REV=`/usr/bin/oslevel`
- else
- IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE}
- fi
- echo ${UNAME_MACHINE}-ibm-aix${IBM_REV}
- exit 0 ;;
- *:AIX:2:3)
- if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then
- eval $set_cc_for_build
- sed 's/^ //' << EOF >$dummy.c
- #include <sys/systemcfg.h>
-
- main()
- {
- if (!__power_pc())
- exit(1);
- puts("powerpc-ibm-aix3.2.5");
- exit(0);
- }
-EOF
- $CC_FOR_BUILD $dummy.c -o $dummy && ./$dummy && rm -f $dummy.c $dummy && exit 0
- rm -f $dummy.c $dummy
- echo rs6000-ibm-aix3.2.5
- elif grep bos324 /usr/include/stdio.h >/dev/null 2>&1; then
- echo rs6000-ibm-aix3.2.4
- else
- echo rs6000-ibm-aix3.2
- fi
- exit 0 ;;
- *:AIX:*:[45])
- IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | head -1 | awk '{ print $1 }'`
- if /usr/sbin/lsattr -El ${IBM_CPU_ID} | grep ' POWER' >/dev/null 2>&1; then
- IBM_ARCH=rs6000
- else
- IBM_ARCH=powerpc
- fi
- if [ -x /usr/bin/oslevel ] ; then
- IBM_REV=`/usr/bin/oslevel`
- else
- IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE}
- fi
- echo ${IBM_ARCH}-ibm-aix${IBM_REV}
- exit 0 ;;
- *:AIX:*:*)
- echo rs6000-ibm-aix
- exit 0 ;;
- ibmrt:4.4BSD:*|romp-ibm:BSD:*)
- echo romp-ibm-bsd4.4
- exit 0 ;;
- ibmrt:*BSD:*|romp-ibm:BSD:*) # covers RT/PC BSD and
- echo romp-ibm-bsd${UNAME_RELEASE} # 4.3 with uname added to
- exit 0 ;; # report: romp-ibm BSD 4.3
- *:BOSX:*:*)
- echo rs6000-bull-bosx
- exit 0 ;;
- DPX/2?00:B.O.S.:*:*)
- echo m68k-bull-sysv3
- exit 0 ;;
- 9000/[34]??:4.3bsd:1.*:*)
- echo m68k-hp-bsd
- exit 0 ;;
- hp300:4.4BSD:*:* | 9000/[34]??:4.3bsd:2.*:*)
- echo m68k-hp-bsd4.4
- exit 0 ;;
- 9000/[34678]??:HP-UX:*:*)
- HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'`
- case "${UNAME_MACHINE}" in
- 9000/31? ) HP_ARCH=m68000 ;;
- 9000/[34]?? ) HP_ARCH=m68k ;;
- 9000/[678][0-9][0-9])
- if [ -x /usr/bin/getconf ]; then
- sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null`
- sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null`
- case "${sc_cpu_version}" in
- 523) HP_ARCH="hppa1.0" ;; # CPU_PA_RISC1_0
- 528) HP_ARCH="hppa1.1" ;; # CPU_PA_RISC1_1
- 532) # CPU_PA_RISC2_0
- case "${sc_kernel_bits}" in
- 32) HP_ARCH="hppa2.0n" ;;
- 64) HP_ARCH="hppa2.0w" ;;
- '') HP_ARCH="hppa2.0" ;; # HP-UX 10.20
- esac ;;
- esac
- fi
- if [ "${HP_ARCH}" = "" ]; then
- eval $set_cc_for_build
- sed 's/^ //' << EOF >$dummy.c
-
- #define _HPUX_SOURCE
- #include <stdlib.h>
- #include <unistd.h>
-
- int main ()
- {
- #if defined(_SC_KERNEL_BITS)
- long bits = sysconf(_SC_KERNEL_BITS);
- #endif
- long cpu = sysconf (_SC_CPU_VERSION);
-
- switch (cpu)
- {
- case CPU_PA_RISC1_0: puts ("hppa1.0"); break;
- case CPU_PA_RISC1_1: puts ("hppa1.1"); break;
- case CPU_PA_RISC2_0:
- #if defined(_SC_KERNEL_BITS)
- switch (bits)
- {
- case 64: puts ("hppa2.0w"); break;
- case 32: puts ("hppa2.0n"); break;
- default: puts ("hppa2.0"); break;
- } break;
- #else /* !defined(_SC_KERNEL_BITS) */
- puts ("hppa2.0"); break;
- #endif
- default: puts ("hppa1.0"); break;
- }
- exit (0);
- }
-EOF
- (CCOPTS= $CC_FOR_BUILD $dummy.c -o $dummy 2>/dev/null) && HP_ARCH=`./$dummy`
- if test -z "$HP_ARCH"; then HP_ARCH=hppa; fi
- rm -f $dummy.c $dummy
- fi ;;
- esac
- echo ${HP_ARCH}-hp-hpux${HPUX_REV}
- exit 0 ;;
- ia64:HP-UX:*:*)
- HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'`
- echo ia64-hp-hpux${HPUX_REV}
- exit 0 ;;
- 3050*:HI-UX:*:*)
- eval $set_cc_for_build
- sed 's/^ //' << EOF >$dummy.c
- #include <unistd.h>
- int
- main ()
- {
- long cpu = sysconf (_SC_CPU_VERSION);
- /* The order matters, because CPU_IS_HP_MC68K erroneously returns
- true for CPU_PA_RISC1_0. CPU_IS_PA_RISC returns correct
- results, however. */
- if (CPU_IS_PA_RISC (cpu))
- {
- switch (cpu)
- {
- case CPU_PA_RISC1_0: puts ("hppa1.0-hitachi-hiuxwe2"); break;
- case CPU_PA_RISC1_1: puts ("hppa1.1-hitachi-hiuxwe2"); break;
- case CPU_PA_RISC2_0: puts ("hppa2.0-hitachi-hiuxwe2"); break;
- default: puts ("hppa-hitachi-hiuxwe2"); break;
- }
- }
- else if (CPU_IS_HP_MC68K (cpu))
- puts ("m68k-hitachi-hiuxwe2");
- else puts ("unknown-hitachi-hiuxwe2");
- exit (0);
- }
-EOF
- $CC_FOR_BUILD $dummy.c -o $dummy && ./$dummy && rm -f $dummy.c $dummy && exit 0
- rm -f $dummy.c $dummy
- echo unknown-hitachi-hiuxwe2
- exit 0 ;;
- 9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:* )
- echo hppa1.1-hp-bsd
- exit 0 ;;
- 9000/8??:4.3bsd:*:*)
- echo hppa1.0-hp-bsd
- exit 0 ;;
- *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*)
- echo hppa1.0-hp-mpeix
- exit 0 ;;
- hp7??:OSF1:*:* | hp8?[79]:OSF1:*:* )
- echo hppa1.1-hp-osf
- exit 0 ;;
- hp8??:OSF1:*:*)
- echo hppa1.0-hp-osf
- exit 0 ;;
- i*86:OSF1:*:*)
- if [ -x /usr/sbin/sysversion ] ; then
- echo ${UNAME_MACHINE}-unknown-osf1mk
- else
- echo ${UNAME_MACHINE}-unknown-osf1
- fi
- exit 0 ;;
- parisc*:Lites*:*:*)
- echo hppa1.1-hp-lites
- exit 0 ;;
- C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*)
- echo c1-convex-bsd
- exit 0 ;;
- C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*)
- if getsysinfo -f scalar_acc
- then echo c32-convex-bsd
- else echo c2-convex-bsd
- fi
- exit 0 ;;
- C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*)
- echo c34-convex-bsd
- exit 0 ;;
- C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*)
- echo c38-convex-bsd
- exit 0 ;;
- C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*)
- echo c4-convex-bsd
- exit 0 ;;
- CRAY*X-MP:*:*:*)
- echo xmp-cray-unicos
- exit 0 ;;
- CRAY*Y-MP:*:*:*)
- echo ymp-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
- exit 0 ;;
- CRAY*[A-Z]90:*:*:*)
- echo ${UNAME_MACHINE}-cray-unicos${UNAME_RELEASE} \
- | sed -e 's/CRAY.*\([A-Z]90\)/\1/' \
- -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \
- -e 's/\.[^.]*$/.X/'
- exit 0 ;;
- CRAY*TS:*:*:*)
- echo t90-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
- exit 0 ;;
- CRAY*T3D:*:*:*)
- echo alpha-cray-unicosmk${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
- exit 0 ;;
- CRAY*T3E:*:*:*)
- echo alphaev5-cray-unicosmk${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
- exit 0 ;;
- CRAY*SV1:*:*:*)
- echo sv1-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
- exit 0 ;;
- CRAY-2:*:*:*)
- echo cray2-cray-unicos
- exit 0 ;;
- F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*)
- FUJITSU_PROC=`uname -m | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'`
- FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'`
- FUJITSU_REL=`echo ${UNAME_RELEASE} | sed -e 's/ /_/'`
- echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}"
- exit 0 ;;
- i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*)
- echo ${UNAME_MACHINE}-pc-bsdi${UNAME_RELEASE}
- exit 0 ;;
- sparc*:BSD/OS:*:*)
- echo sparc-unknown-bsdi${UNAME_RELEASE}
- exit 0 ;;
- *:BSD/OS:*:*)
- echo ${UNAME_MACHINE}-unknown-bsdi${UNAME_RELEASE}
- exit 0 ;;
- *:FreeBSD:*:*)
- echo ${UNAME_MACHINE}-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`
- exit 0 ;;
- i*:CYGWIN*:*)
- echo ${UNAME_MACHINE}-pc-cygwin
- exit 0 ;;
- i*:MINGW*:*)
- echo ${UNAME_MACHINE}-pc-mingw32
- exit 0 ;;
- i*:PW*:*)
- echo ${UNAME_MACHINE}-pc-pw32
- exit 0 ;;
- i*:Windows_NT*:* | Pentium*:Windows_NT*:*)
- # How do we know it's Interix rather than the generic POSIX subsystem?
- # It also conflicts with pre-2.0 versions of AT&T UWIN. Should we
- # UNAME_MACHINE based on the output of uname instead of i386?
- echo i386-pc-interix
- exit 0 ;;
- i*:UWIN*:*)
- echo ${UNAME_MACHINE}-pc-uwin
- exit 0 ;;
- p*:CYGWIN*:*)
- echo powerpcle-unknown-cygwin
- exit 0 ;;
- prep*:SunOS:5.*:*)
- echo powerpcle-unknown-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
- exit 0 ;;
- *:GNU:*:*)
- echo `echo ${UNAME_MACHINE}|sed -e 's,[-/].*$,,'`-unknown-gnu`echo ${UNAME_RELEASE}|sed -e 's,/.*$,,'`
- exit 0 ;;
- i*86:Minix:*:*)
- echo ${UNAME_MACHINE}-pc-minix
- exit 0 ;;
- arm*:Linux:*:*)
- echo ${UNAME_MACHINE}-unknown-linux-gnu
- exit 0 ;;
- ia64:Linux:*:*)
- echo ${UNAME_MACHINE}-unknown-linux
- exit 0 ;;
- m68*:Linux:*:*)
- echo ${UNAME_MACHINE}-unknown-linux-gnu
- exit 0 ;;
- mips:Linux:*:*)
- case `sed -n '/^byte/s/^.*: \(.*\) endian/\1/p' < /proc/cpuinfo` in
- big) echo mips-unknown-linux-gnu && exit 0 ;;
- little) echo mipsel-unknown-linux-gnu && exit 0 ;;
- esac
- ;;
- ppc:Linux:*:*)
- echo powerpc-unknown-linux-gnu
- exit 0 ;;
- ppc64:Linux:*:*)
- echo powerpc64-unknown-linux-gnu
- exit 0 ;;
- alpha:Linux:*:*)
- case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo` in
- EV5) UNAME_MACHINE=alphaev5 ;;
- EV56) UNAME_MACHINE=alphaev56 ;;
- PCA56) UNAME_MACHINE=alphapca56 ;;
- PCA57) UNAME_MACHINE=alphapca56 ;;
- EV6) UNAME_MACHINE=alphaev6 ;;
- EV67) UNAME_MACHINE=alphaev67 ;;
- EV68*) UNAME_MACHINE=alphaev68 ;;
- esac
- objdump --private-headers /bin/sh | grep ld.so.1 >/dev/null
- if test "$?" = 0 ; then LIBC="libc1" ; else LIBC="" ; fi
- echo ${UNAME_MACHINE}-unknown-linux-gnu${LIBC}
- exit 0 ;;
- parisc:Linux:*:* | hppa:Linux:*:*)
- # Look for CPU level
- case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in
- PA7*) echo hppa1.1-unknown-linux-gnu ;;
- PA8*) echo hppa2.0-unknown-linux-gnu ;;
- *) echo hppa-unknown-linux-gnu ;;
- esac
- exit 0 ;;
- parisc64:Linux:*:* | hppa64:Linux:*:*)
- echo hppa64-unknown-linux-gnu
- exit 0 ;;
- s390:Linux:*:* | s390x:Linux:*:*)
- echo ${UNAME_MACHINE}-ibm-linux
- exit 0 ;;
- sh*:Linux:*:*)
- echo ${UNAME_MACHINE}-unknown-linux-gnu
- exit 0 ;;
- sparc:Linux:*:* | sparc64:Linux:*:*)
- echo ${UNAME_MACHINE}-unknown-linux-gnu
- exit 0 ;;
- x86_64:Linux:*:*)
- echo x86_64-unknown-linux-gnu
- exit 0 ;;
- i*86:Linux:*:*)
- # The BFD linker knows what the default object file format is, so
- # first see if it will tell us. cd to the root directory to prevent
- # problems with other programs or directories called `ld' in the path.
- ld_supported_targets=`cd /; ld --help 2>&1 \
- | sed -ne '/supported targets:/!d
- s/[ ][ ]*/ /g
- s/.*supported targets: *//
- s/ .*//
- p'`
- case "$ld_supported_targets" in
- elf32-i386)
- TENTATIVE="${UNAME_MACHINE}-pc-linux-gnu"
- ;;
- a.out-i386-linux)
- echo "${UNAME_MACHINE}-pc-linux-gnuaout"
- exit 0 ;;
- coff-i386)
- echo "${UNAME_MACHINE}-pc-linux-gnucoff"
- exit 0 ;;
- "")
- # Either a pre-BFD a.out linker (linux-gnuoldld) or
- # one that does not give us useful --help.
- echo "${UNAME_MACHINE}-pc-linux-gnuoldld"
- exit 0 ;;
- esac
- # Determine whether the default compiler is a.out or elf
- eval $set_cc_for_build
- cat >$dummy.c <<EOF
-#include <features.h>
-#ifdef __cplusplus
-#include <stdio.h> /* for printf() prototype */
- int main (int argc, char *argv[]) {
-#else
- int main (argc, argv) int argc; char *argv[]; {
-#endif
-#ifdef __ELF__
-# ifdef __GLIBC__
-# if __GLIBC__ >= 2
- printf ("%s-pc-linux-gnu\n", argv[1]);
-# else
- printf ("%s-pc-linux-gnulibc1\n", argv[1]);
-# endif
-# else
- printf ("%s-pc-linux-gnulibc1\n", argv[1]);
-# endif
-#else
- printf ("%s-pc-linux-gnuaout\n", argv[1]);
-#endif
- return 0;
-}
-EOF
- $CC_FOR_BUILD $dummy.c -o $dummy 2>/dev/null && ./$dummy "${UNAME_MACHINE}" && rm -f $dummy.c $dummy && exit 0
- rm -f $dummy.c $dummy
- test x"${TENTATIVE}" != x && echo "${TENTATIVE}" && exit 0
- ;;
- i*86:DYNIX/ptx:4*:*)
- # ptx 4.0 does uname -s correctly, with DYNIX/ptx in there.
- # earlier versions are messed up and put the nodename in both
- # sysname and nodename.
- echo i386-sequent-sysv4
- exit 0 ;;
- i*86:UNIX_SV:4.2MP:2.*)
- # Unixware is an offshoot of SVR4, but it has its own version
- # number series starting with 2...
- # I am not positive that other SVR4 systems won't match this,
- # I just have to hope. -- rms.
- # Use sysv4.2uw... so that sysv4* matches it.
- echo ${UNAME_MACHINE}-pc-sysv4.2uw${UNAME_VERSION}
- exit 0 ;;
- i*86:*:4.*:* | i*86:SYSTEM_V:4.*:*)
- UNAME_REL=`echo ${UNAME_RELEASE} | sed 's/\/MP$//'`
- if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then
- echo ${UNAME_MACHINE}-univel-sysv${UNAME_REL}
- else
- echo ${UNAME_MACHINE}-pc-sysv${UNAME_REL}
- fi
- exit 0 ;;
- i*86:*:5:[78]*)
- case `/bin/uname -X | grep "^Machine"` in
- *486*) UNAME_MACHINE=i486 ;;
- *Pentium) UNAME_MACHINE=i586 ;;
- *Pent*|*Celeron) UNAME_MACHINE=i686 ;;
- esac
- echo ${UNAME_MACHINE}-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}${UNAME_VERSION}
- exit 0 ;;
- i*86:*:3.2:*)
- if test -f /usr/options/cb.name; then
- UNAME_REL=`sed -n 's/.*Version //p' </usr/options/cb.name`
- echo ${UNAME_MACHINE}-pc-isc$UNAME_REL
- elif /bin/uname -X 2>/dev/null >/dev/null ; then
- UNAME_REL=`(/bin/uname -X|egrep Release|sed -e 's/.*= //')`
- (/bin/uname -X|egrep i80486 >/dev/null) && UNAME_MACHINE=i486
- (/bin/uname -X|egrep '^Machine.*Pentium' >/dev/null) \
- && UNAME_MACHINE=i586
- (/bin/uname -X|egrep '^Machine.*Pent ?II' >/dev/null) \
- && UNAME_MACHINE=i686
- (/bin/uname -X|egrep '^Machine.*Pentium Pro' >/dev/null) \
- && UNAME_MACHINE=i686
- echo ${UNAME_MACHINE}-pc-sco$UNAME_REL
- else
- echo ${UNAME_MACHINE}-pc-sysv32
- fi
- exit 0 ;;
- i*86:*DOS:*:*)
- echo ${UNAME_MACHINE}-pc-msdosdjgpp
- exit 0 ;;
- pc:*:*:*)
- # Left here for compatibility:
- # uname -m prints for DJGPP always 'pc', but it prints nothing about
- # the processor, so we play safe by assuming i386.
- echo i386-pc-msdosdjgpp
- exit 0 ;;
- Intel:Mach:3*:*)
- echo i386-pc-mach3
- exit 0 ;;
- paragon:*:*:*)
- echo i860-intel-osf1
- exit 0 ;;
- i860:*:4.*:*) # i860-SVR4
- if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then
- echo i860-stardent-sysv${UNAME_RELEASE} # Stardent Vistra i860-SVR4
- else # Add other i860-SVR4 vendors below as they are discovered.
- echo i860-unknown-sysv${UNAME_RELEASE} # Unknown i860-SVR4
- fi
- exit 0 ;;
- mini*:CTIX:SYS*5:*)
- # "miniframe"
- echo m68010-convergent-sysv
- exit 0 ;;
- M68*:*:R3V[567]*:*)
- test -r /sysV68 && echo 'm68k-motorola-sysv' && exit 0 ;;
- 3[34]??:*:4.0:3.0 | 3[34]??A:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 4850:*:4.0:3.0 | SKA40:*:4.0:3.0)
- OS_REL=''
- test -r /etc/.relid \
- && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid`
- /bin/uname -p 2>/dev/null | grep 86 >/dev/null \
- && echo i486-ncr-sysv4.3${OS_REL} && exit 0
- /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \
- && echo i586-ncr-sysv4.3${OS_REL} && exit 0 ;;
- 3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*)
- /bin/uname -p 2>/dev/null | grep 86 >/dev/null \
- && echo i486-ncr-sysv4 && exit 0 ;;
- m68*:LynxOS:2.*:* | m68*:LynxOS:3.0*:*)
- echo m68k-unknown-lynxos${UNAME_RELEASE}
- exit 0 ;;
- mc68030:UNIX_System_V:4.*:*)
- echo m68k-atari-sysv4
- exit 0 ;;
- i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.0*:*)
- echo i386-unknown-lynxos${UNAME_RELEASE}
- exit 0 ;;
- TSUNAMI:LynxOS:2.*:*)
- echo sparc-unknown-lynxos${UNAME_RELEASE}
- exit 0 ;;
- rs6000:LynxOS:2.*:*)
- echo rs6000-unknown-lynxos${UNAME_RELEASE}
- exit 0 ;;
- PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.0*:*)
- echo powerpc-unknown-lynxos${UNAME_RELEASE}
- exit 0 ;;
- SM[BE]S:UNIX_SV:*:*)
- echo mips-dde-sysv${UNAME_RELEASE}
- exit 0 ;;
- RM*:ReliantUNIX-*:*:*)
- echo mips-sni-sysv4
- exit 0 ;;
- RM*:SINIX-*:*:*)
- echo mips-sni-sysv4
- exit 0 ;;
- *:SINIX-*:*:*)
- if uname -p 2>/dev/null >/dev/null ; then
- UNAME_MACHINE=`(uname -p) 2>/dev/null`
- echo ${UNAME_MACHINE}-sni-sysv4
- else
- echo ns32k-sni-sysv
- fi
- exit 0 ;;
- PENTIUM:*:4.0*:*) # Unisys `ClearPath HMP IX 4000' SVR4/MP effort
- # says <Richard.M.Bartel@ccMail.Census.GOV>
- echo i586-unisys-sysv4
- exit 0 ;;
- *:UNIX_System_V:4*:FTX*)
- # From Gerald Hewes <hewes@openmarket.com>.
- # How about differentiating between stratus architectures? -djm
- echo hppa1.1-stratus-sysv4
- exit 0 ;;
- *:*:*:FTX*)
- # From seanf@swdc.stratus.com.
- echo i860-stratus-sysv4
- exit 0 ;;
- *:VOS:*:*)
- # From Paul.Green@stratus.com.
- echo hppa1.1-stratus-vos
- exit 0 ;;
- mc68*:A/UX:*:*)
- echo m68k-apple-aux${UNAME_RELEASE}
- exit 0 ;;
- news*:NEWS-OS:6*:*)
- echo mips-sony-newsos6
- exit 0 ;;
- R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*)
- if [ -d /usr/nec ]; then
- echo mips-nec-sysv${UNAME_RELEASE}
- else
- echo mips-unknown-sysv${UNAME_RELEASE}
- fi
- exit 0 ;;
- BeBox:BeOS:*:*) # BeOS running on hardware made by Be, PPC only.
- echo powerpc-be-beos
- exit 0 ;;
- BeMac:BeOS:*:*) # BeOS running on Mac or Mac clone, PPC only.
- echo powerpc-apple-beos
- exit 0 ;;
- BePC:BeOS:*:*) # BeOS running on Intel PC compatible.
- echo i586-pc-beos
- exit 0 ;;
- SX-4:SUPER-UX:*:*)
- echo sx4-nec-superux${UNAME_RELEASE}
- exit 0 ;;
- SX-5:SUPER-UX:*:*)
- echo sx5-nec-superux${UNAME_RELEASE}
- exit 0 ;;
- Power*:Rhapsody:*:*)
- echo powerpc-apple-rhapsody${UNAME_RELEASE}
- exit 0 ;;
- *:Rhapsody:*:*)
- echo ${UNAME_MACHINE}-apple-rhapsody${UNAME_RELEASE}
- exit 0 ;;
- *:Darwin:*:*)
- echo `uname -p`-apple-darwin${UNAME_RELEASE}
- exit 0 ;;
- *:procnto*:*:* | *:QNX:[0123456789]*:*)
- if test "${UNAME_MACHINE}" = "x86pc"; then
- UNAME_MACHINE=pc
- fi
- echo `uname -p`-${UNAME_MACHINE}-nto-qnx
- exit 0 ;;
- *:QNX:*:4*)
- echo i386-pc-qnx
- exit 0 ;;
- NSR-[KW]:NONSTOP_KERNEL:*:*)
- echo nsr-tandem-nsk${UNAME_RELEASE}
- exit 0 ;;
- *:NonStop-UX:*:*)
- echo mips-compaq-nonstopux
- exit 0 ;;
- BS2000:POSIX*:*:*)
- echo bs2000-siemens-sysv
- exit 0 ;;
- DS/*:UNIX_System_V:*:*)
- echo ${UNAME_MACHINE}-${UNAME_SYSTEM}-${UNAME_RELEASE}
- exit 0 ;;
- *:Plan9:*:*)
- # "uname -m" is not consistent, so use $cputype instead. 386
- # is converted to i386 for consistency with other x86
- # operating systems.
- if test "$cputype" = "386"; then
- UNAME_MACHINE=i386
- else
- UNAME_MACHINE="$cputype"
- fi
- echo ${UNAME_MACHINE}-unknown-plan9
- exit 0 ;;
- i*86:OS/2:*:*)
- # If we were able to find `uname', then EMX Unix compatibility
- # is probably installed.
- echo ${UNAME_MACHINE}-pc-os2-emx
- exit 0 ;;
- *:TOPS-10:*:*)
- echo pdp10-unknown-tops10
- exit 0 ;;
- *:TENEX:*:*)
- echo pdp10-unknown-tenex
- exit 0 ;;
- KS10:TOPS-20:*:* | KL10:TOPS-20:*:* | TYPE4:TOPS-20:*:*)
- echo pdp10-dec-tops20
- exit 0 ;;
- XKL-1:TOPS-20:*:* | TYPE5:TOPS-20:*:*)
- echo pdp10-xkl-tops20
- exit 0 ;;
- *:TOPS-20:*:*)
- echo pdp10-unknown-tops20
- exit 0 ;;
- *:ITS:*:*)
- echo pdp10-unknown-its
- exit 0 ;;
- i*86:XTS-300:*:STOP)
- echo ${UNAME_MACHINE}-unknown-stop
- exit 0 ;;
- i*86:atheos:*:*)
- echo ${UNAME_MACHINE}-unknown-atheos
- exit 0 ;;
-esac
-
-#echo '(No uname command or uname output not recognized.)' 1>&2
-#echo "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" 1>&2
-
-eval $set_cc_for_build
-cat >$dummy.c <<EOF
-#ifdef _SEQUENT_
-# include <sys/types.h>
-# include <sys/utsname.h>
-#endif
-main ()
-{
-#if defined (sony)
-#if defined (MIPSEB)
- /* BFD wants "bsd" instead of "newsos". Perhaps BFD should be changed,
- I don't know.... */
- printf ("mips-sony-bsd\n"); exit (0);
-#else
-#include <sys/param.h>
- printf ("m68k-sony-newsos%s\n",
-#ifdef NEWSOS4
- "4"
-#else
- ""
-#endif
- ); exit (0);
-#endif
-#endif
-
-#if defined (__arm) && defined (__acorn) && defined (__unix)
- printf ("arm-acorn-riscix"); exit (0);
-#endif
-
-#if defined (hp300) && !defined (hpux)
- printf ("m68k-hp-bsd\n"); exit (0);
-#endif
-
-#if defined (NeXT)
-#if !defined (__ARCHITECTURE__)
-#define __ARCHITECTURE__ "m68k"
-#endif
- int version;
- version=`(hostinfo | sed -n 's/.*NeXT Mach \([0-9]*\).*/\1/p') 2>/dev/null`;
- if (version < 4)
- printf ("%s-next-nextstep%d\n", __ARCHITECTURE__, version);
- else
- printf ("%s-next-openstep%d\n", __ARCHITECTURE__, version);
- exit (0);
-#endif
-
-#if defined (MULTIMAX) || defined (n16)
-#if defined (UMAXV)
- printf ("ns32k-encore-sysv\n"); exit (0);
-#else
-#if defined (CMU)
- printf ("ns32k-encore-mach\n"); exit (0);
-#else
- printf ("ns32k-encore-bsd\n"); exit (0);
-#endif
-#endif
-#endif
-
-#if defined (__386BSD__)
- printf ("i386-pc-bsd\n"); exit (0);
-#endif
-
-#if defined (sequent)
-#if defined (i386)
- printf ("i386-sequent-dynix\n"); exit (0);
-#endif
-#if defined (ns32000)
- printf ("ns32k-sequent-dynix\n"); exit (0);
-#endif
-#endif
-
-#if defined (_SEQUENT_)
- struct utsname un;
-
- uname(&un);
-
- if (strncmp(un.version, "V2", 2) == 0) {
- printf ("i386-sequent-ptx2\n"); exit (0);
- }
- if (strncmp(un.version, "V1", 2) == 0) { /* XXX is V1 correct? */
- printf ("i386-sequent-ptx1\n"); exit (0);
- }
- printf ("i386-sequent-ptx\n"); exit (0);
-
-#endif
-
-#if defined (vax)
-# if !defined (ultrix)
-# include <sys/param.h>
-# if defined (BSD)
-# if BSD == 43
- printf ("vax-dec-bsd4.3\n"); exit (0);
-# else
-# if BSD == 199006
- printf ("vax-dec-bsd4.3reno\n"); exit (0);
-# else
- printf ("vax-dec-bsd\n"); exit (0);
-# endif
-# endif
-# else
- printf ("vax-dec-bsd\n"); exit (0);
-# endif
-# else
- printf ("vax-dec-ultrix\n"); exit (0);
-# endif
-#endif
-
-#if defined (alliant) && defined (i860)
- printf ("i860-alliant-bsd\n"); exit (0);
-#endif
-
- exit (1);
-}
-EOF
-
-$CC_FOR_BUILD $dummy.c -o $dummy 2>/dev/null && ./$dummy && rm -f $dummy.c $dummy && exit 0
-rm -f $dummy.c $dummy
-
-# Apollos put the system type in the environment.
-
-test -d /usr/apollo && { echo ${ISP}-apollo-${SYSTYPE}; exit 0; }
-
-# Convex versions that predate uname can use getsysinfo(1)
-
-if [ -x /usr/convex/getsysinfo ]
-then
- case `getsysinfo -f cpu_type` in
- c1*)
- echo c1-convex-bsd
- exit 0 ;;
- c2*)
- if getsysinfo -f scalar_acc
- then echo c32-convex-bsd
- else echo c2-convex-bsd
- fi
- exit 0 ;;
- c34*)
- echo c34-convex-bsd
- exit 0 ;;
- c38*)
- echo c38-convex-bsd
- exit 0 ;;
- c4*)
- echo c4-convex-bsd
- exit 0 ;;
- esac
-fi
-
-cat >&2 <<EOF
-$0: unable to guess system type
-
-This script, last modified $timestamp, has failed to recognize
-the operating system you are using. It is advised that you
-download the most up to date version of the config scripts from
-
- ftp://ftp.gnu.org/pub/gnu/config/
-
-If the version you run ($0) is already up to date, please
-send the following data and any information you think might be
-pertinent to <config-patches@gnu.org> in order to provide the needed
-information to handle your system.
-
-config.guess timestamp = $timestamp
-
-uname -m = `(uname -m) 2>/dev/null || echo unknown`
-uname -r = `(uname -r) 2>/dev/null || echo unknown`
-uname -s = `(uname -s) 2>/dev/null || echo unknown`
-uname -v = `(uname -v) 2>/dev/null || echo unknown`
-
-/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null`
-/bin/uname -X = `(/bin/uname -X) 2>/dev/null`
-
-hostinfo = `(hostinfo) 2>/dev/null`
-/bin/universe = `(/bin/universe) 2>/dev/null`
-/usr/bin/arch -k = `(/usr/bin/arch -k) 2>/dev/null`
-/bin/arch = `(/bin/arch) 2>/dev/null`
-/usr/bin/oslevel = `(/usr/bin/oslevel) 2>/dev/null`
-/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null`
-
-UNAME_MACHINE = ${UNAME_MACHINE}
-UNAME_RELEASE = ${UNAME_RELEASE}
-UNAME_SYSTEM = ${UNAME_SYSTEM}
-UNAME_VERSION = ${UNAME_VERSION}
-EOF
-
-exit 1
-
-# Local variables:
-# eval: (add-hook 'write-file-hooks 'time-stamp)
-# time-stamp-start: "timestamp='"
-# time-stamp-format: "%:y-%02m-%02d"
-# time-stamp-end: "'"
-# End:
diff --git a/src/audio/portaudio/config.log b/src/audio/portaudio/config.log
deleted file mode 100644
index 33a8fe6025..0000000000
--- a/src/audio/portaudio/config.log
+++ /dev/null
@@ -1,54 +0,0 @@
-This file contains any messages produced by compilers while
-running configure, to aid debugging if configure makes a mistake.
-
-configure:545: checking for gcc
-configure:658: checking whether the C compiler (gcc ) works
-configure:674: gcc -o conftest conftest.c 1>&5
-configure:700: checking whether the C compiler (gcc ) is a cross-compiler
-configure:705: checking whether we are using GNU C
-configure:714: gcc -E conftest.c
-configure:733: checking whether gcc accepts -g
-configure:767: checking for ranlib
-configure:825: checking for a BSD compatible install
-configure:880: checking for ar
-configure:918: checking whether byte ordering is bigendian
-configure:936: gcc -c -g -O2 conftest.c 1>&5
-configure:951: gcc -c -g -O2 conftest.c 1>&5
-configure: In function `main':
-configure:946: error: `not' undeclared (first use in this function)
-configure:946: error: (Each undeclared identifier is reported only once
-configure:946: error: for each function it appears in.)
-configure:946: error: syntax error before "big"
-configure: failed program was:
-#line 940 "configure"
-#include "confdefs.h"
-#include <sys/types.h>
-#include <sys/param.h>
-int main() {
-
-#if BYTE_ORDER != BIG_ENDIAN
- not big endian
-#endif
-; return 0; }
-configure:1018: checking for snd_pcm_open in -lasound
-configure:1037: gcc -o conftest -g -O2 conftest.c -lasound 1>&5
-configure:1066: checking host system type
-configure:1094: checking for pkg-config
-configure:1138: checking for jack
-configure:1257: checking size of short
-configure:1276: gcc -o conftest -g -O2 -Wall -DPA_LITTLE_ENDIAN conftest.c 1>&5
-configure:1268: warning: return type defaults to `int'
-configure: In function `main':
-configure:1270: warning: implicit declaration of function `exit'
-configure:1296: checking size of int
-configure:1315: gcc -o conftest -g -O2 -Wall -DPA_LITTLE_ENDIAN conftest.c 1>&5
-configure:1307: warning: return type defaults to `int'
-configure: In function `main':
-configure:1309: warning: implicit declaration of function `exit'
-configure:1335: checking size of long
-configure:1354: gcc -o conftest -g -O2 -Wall -DPA_LITTLE_ENDIAN conftest.c 1>&5
-configure:1346: warning: return type defaults to `int'
-configure: In function `main':
-configure:1348: warning: implicit declaration of function `exit'
-configure:1629: checking for pthread_create in -lpthread
-configure:1648: gcc -o conftest -g -O2 -Wall -DPA_LITTLE_ENDIAN conftest.c -lpthread 1>&5
diff --git a/src/audio/portaudio/config.status b/src/audio/portaudio/config.status
deleted file mode 100755
index 5cff501e9a..0000000000
--- a/src/audio/portaudio/config.status
+++ /dev/null
@@ -1,175 +0,0 @@
-#! /bin/sh
-# Generated automatically by configure.
-# Run this file to recreate the current configuration.
-# This directory was configured as follows,
-# on host chlorine.inside.savoirfairelinux.net:
-#
-# ./configure --prefix=/opt --disable-jack --without-jack
-#
-# Compiler output produced by configure, useful for debugging
-# configure, is in ./config.log if it exists.
-
-ac_cs_usage="Usage: ./config.status [--recheck] [--version] [--help]"
-for ac_option
-do
- case "$ac_option" in
- -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
- echo "running ${CONFIG_SHELL-/bin/sh} ./configure --prefix=/opt --disable-jack --without-jack --no-create --no-recursion"
- exec ${CONFIG_SHELL-/bin/sh} ./configure --prefix=/opt --disable-jack --without-jack --no-create --no-recursion ;;
- -version | --version | --versio | --versi | --vers | --ver | --ve | --v)
- echo "./config.status generated by autoconf version 2.13"
- exit 0 ;;
- -help | --help | --hel | --he | --h)
- echo "$ac_cs_usage"; exit 0 ;;
- *) echo "$ac_cs_usage"; exit 1 ;;
- esac
-done
-
-ac_given_srcdir=.
-ac_given_INSTALL="/usr/bin/install -c"
-
-trap 'rm -fr Makefile conftest*; exit 1' 1 2 15
-
-# Protect against being on the right side of a sed subst in config.status.
-sed 's/%@/@@/; s/@%/@@/; s/%g$/@g/; /@g$/s/[\\&%]/\\&/g;
- s/@@/%@/; s/@@/@%/; s/@g$/%g/' > conftest.subs <<\CEOF
-/^[ ]*VPATH[ ]*=[^:]*$/d
-
-s%@SHELL@%/bin/sh%g
-s%@CFLAGS@%-g -O2 -Wall -DPA_LITTLE_ENDIAN%g
-s%@CPPFLAGS@%%g
-s%@CXXFLAGS@%%g
-s%@FFLAGS@%%g
-s%@DEFS@% -DSIZEOF_SHORT=2 -DSIZEOF_INT=4 -DSIZEOF_LONG=4 -DHAVE_LIBPTHREAD=1 -DPA_USE_ALSA=1 -DPA_USE_OSS=1 %g
-s%@LDFLAGS@%%g
-s%@LIBS@%-lpthread -lasound -lm -lpthread%g
-s%@exec_prefix@%${prefix}%g
-s%@prefix@%/opt%g
-s%@program_transform_name@%s,x,x,%g
-s%@bindir@%${exec_prefix}/bin%g
-s%@sbindir@%${exec_prefix}/sbin%g
-s%@libexecdir@%${exec_prefix}/libexec%g
-s%@datadir@%${prefix}/share%g
-s%@sysconfdir@%${prefix}/etc%g
-s%@sharedstatedir@%${prefix}/com%g
-s%@localstatedir@%${prefix}/var%g
-s%@libdir@%${exec_prefix}/lib%g
-s%@includedir@%${prefix}/include%g
-s%@oldincludedir@%/usr/include%g
-s%@infodir@%${prefix}/info%g
-s%@mandir@%${prefix}/man%g
-s%@CC@%gcc%g
-s%@RANLIB@%ranlib%g
-s%@INSTALL_PROGRAM@%${INSTALL}%g
-s%@INSTALL_SCRIPT@%${INSTALL_PROGRAM}%g
-s%@INSTALL_DATA@%${INSTALL} -m 644%g
-s%@AR@%/usr/bin/ar%g
-s%@OTHER_OBJS@% pa_linux_alsa/pa_linux_alsa.o pa_unix_oss/pa_unix_oss.o pa_unix/pa_unix_hostapis.o pa_unix/pa_unix_util.o%g
-s%@PADLL@%libportaudio.so%g
-s%@SHARED_FLAGS@%-shared%g
-s%@DLL_LIBS@% -lasound%g
-s%@NASM@%%g
-s%@NASMOPT@%%g
-s%@host@%i686-pc-linux-gnu%g
-s%@host_alias@%i686-pc-linux-gnu%g
-s%@host_cpu@%i686%g
-s%@host_vendor@%pc%g
-s%@host_os@%linux-gnu%g
-s%@PKG_CONFIG@%/usr/bin/pkg-config%g
-s%@JACK_CFLAGS@%%g
-s%@JACK_LIBS@%%g
-
-CEOF
-
-# Split the substitutions into bite-sized pieces for seds with
-# small command number limits, like on Digital OSF/1 and HP-UX.
-ac_max_sed_cmds=90 # Maximum number of lines to put in a sed script.
-ac_file=1 # Number of current file.
-ac_beg=1 # First line for current file.
-ac_end=$ac_max_sed_cmds # Line after last line for current file.
-ac_more_lines=:
-ac_sed_cmds=""
-while $ac_more_lines; do
- if test $ac_beg -gt 1; then
- sed "1,${ac_beg}d; ${ac_end}q" conftest.subs > conftest.s$ac_file
- else
- sed "${ac_end}q" conftest.subs > conftest.s$ac_file
- fi
- if test ! -s conftest.s$ac_file; then
- ac_more_lines=false
- rm -f conftest.s$ac_file
- else
- if test -z "$ac_sed_cmds"; then
- ac_sed_cmds="sed -f conftest.s$ac_file"
- else
- ac_sed_cmds="$ac_sed_cmds | sed -f conftest.s$ac_file"
- fi
- ac_file=`expr $ac_file + 1`
- ac_beg=$ac_end
- ac_end=`expr $ac_end + $ac_max_sed_cmds`
- fi
-done
-if test -z "$ac_sed_cmds"; then
- ac_sed_cmds=cat
-fi
-
-CONFIG_FILES=${CONFIG_FILES-"Makefile"}
-for ac_file in .. $CONFIG_FILES; do if test "x$ac_file" != x..; then
- # Support "outfile[:infile[:infile...]]", defaulting infile="outfile.in".
- case "$ac_file" in
- *:*) ac_file_in=`echo "$ac_file"|sed 's%[^:]*:%%'`
- ac_file=`echo "$ac_file"|sed 's%:.*%%'` ;;
- *) ac_file_in="${ac_file}.in" ;;
- esac
-
- # Adjust a relative srcdir, top_srcdir, and INSTALL for subdirectories.
-
- # Remove last slash and all that follows it. Not all systems have dirname.
- ac_dir=`echo $ac_file|sed 's%/[^/][^/]*$%%'`
- if test "$ac_dir" != "$ac_file" && test "$ac_dir" != .; then
- # The file is in a subdirectory.
- test ! -d "$ac_dir" && mkdir "$ac_dir"
- ac_dir_suffix="/`echo $ac_dir|sed 's%^\./%%'`"
- # A "../" for each directory in $ac_dir_suffix.
- ac_dots=`echo $ac_dir_suffix|sed 's%/[^/]*%../%g'`
- else
- ac_dir_suffix= ac_dots=
- fi
-
- case "$ac_given_srcdir" in
- .) srcdir=.
- if test -z "$ac_dots"; then top_srcdir=.
- else top_srcdir=`echo $ac_dots|sed 's%/$%%'`; fi ;;
- /*) srcdir="$ac_given_srcdir$ac_dir_suffix"; top_srcdir="$ac_given_srcdir" ;;
- *) # Relative path.
- srcdir="$ac_dots$ac_given_srcdir$ac_dir_suffix"
- top_srcdir="$ac_dots$ac_given_srcdir" ;;
- esac
-
- case "$ac_given_INSTALL" in
- [/$]*) INSTALL="$ac_given_INSTALL" ;;
- *) INSTALL="$ac_dots$ac_given_INSTALL" ;;
- esac
-
- echo creating "$ac_file"
- rm -f "$ac_file"
- configure_input="Generated automatically from `echo $ac_file_in|sed 's%.*/%%'` by configure."
- case "$ac_file" in
- *Makefile*) ac_comsub="1i\\
-# $configure_input" ;;
- *) ac_comsub= ;;
- esac
-
- ac_file_inputs=`echo $ac_file_in|sed -e "s%^%$ac_given_srcdir/%" -e "s%:% $ac_given_srcdir/%g"`
- sed -e "$ac_comsub
-s%@configure_input@%$configure_input%g
-s%@srcdir@%$srcdir%g
-s%@top_srcdir@%$top_srcdir%g
-s%@INSTALL@%$INSTALL%g
-" $ac_file_inputs | (eval "$ac_sed_cmds") > $ac_file
-fi; done
-rm -f conftest.s*
-
-
-
-exit 0
diff --git a/src/audio/portaudio/config.sub b/src/audio/portaudio/config.sub
deleted file mode 100755
index fe4f1edf3c..0000000000
--- a/src/audio/portaudio/config.sub
+++ /dev/null
@@ -1,1492 +0,0 @@
-#! /bin/sh
-# Configuration validation subroutine script.
-# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
-# 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
-
-timestamp='2003-05-09'
-
-# This file is (in principle) common to ALL GNU software.
-# The presence of a machine in this file suggests that SOME GNU software
-# can handle that machine. It does not imply ALL GNU software can.
-#
-# This file is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330,
-# Boston, MA 02111-1307, USA.
-
-# As a special exception to the GNU General Public License, if you
-# distribute this file as part of a program that contains a
-# configuration script generated by Autoconf, you may include it under
-# the same distribution terms that you use for the rest of that program.
-
-# Please send patches to <config-patches@gnu.org>. Submit a context
-# diff and a properly formatted ChangeLog entry.
-#
-# Configuration subroutine to validate and canonicalize a configuration type.
-# Supply the specified configuration type as an argument.
-# If it is invalid, we print an error message on stderr and exit with code 1.
-# Otherwise, we print the canonical config type on stdout and succeed.
-
-# This file is supposed to be the same for all GNU packages
-# and recognize all the CPU types, system types and aliases
-# that are meaningful with *any* GNU software.
-# Each package is responsible for reporting which valid configurations
-# it does not support. The user should be able to distinguish
-# a failure to support a valid configuration from a meaningless
-# configuration.
-
-# The goal of this file is to map all the various variations of a given
-# machine specification into a single specification in the form:
-# CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM
-# or in some cases, the newer four-part form:
-# CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM
-# It is wrong to echo any other type of specification.
-
-me=`echo "$0" | sed -e 's,.*/,,'`
-
-usage="\
-Usage: $0 [OPTION] CPU-MFR-OPSYS
- $0 [OPTION] ALIAS
-
-Canonicalize a configuration name.
-
-Operation modes:
- -h, --help print this help, then exit
- -t, --time-stamp print date of last modification, then exit
- -v, --version print version number, then exit
-
-Report bugs and patches to <config-patches@gnu.org>."
-
-version="\
-GNU config.sub ($timestamp)
-
-Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
-Free Software Foundation, Inc.
-
-This is free software; see the source for copying conditions. There is NO
-warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
-
-help="
-Try \`$me --help' for more information."
-
-# Parse command line
-while test $# -gt 0 ; do
- case $1 in
- --time-stamp | --time* | -t )
- echo "$timestamp" ; exit 0 ;;
- --version | -v )
- echo "$version" ; exit 0 ;;
- --help | --h* | -h )
- echo "$usage"; exit 0 ;;
- -- ) # Stop option processing
- shift; break ;;
- - ) # Use stdin as input.
- break ;;
- -* )
- echo "$me: invalid option $1$help"
- exit 1 ;;
-
- *local*)
- # First pass through any local machine types.
- echo $1
- exit 0;;
-
- * )
- break ;;
- esac
-done
-
-case $# in
- 0) echo "$me: missing argument$help" >&2
- exit 1;;
- 1) ;;
- *) echo "$me: too many arguments$help" >&2
- exit 1;;
-esac
-
-# Separate what the user gave into CPU-COMPANY and OS or KERNEL-OS (if any).
-# Here we must recognize all the valid KERNEL-OS combinations.
-maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'`
-case $maybe_os in
- nto-qnx* | linux-gnu* | freebsd*-gnu* | netbsd*-gnu* | storm-chaos* | os2-emx* | rtmk-nova*)
- os=-$maybe_os
- basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`
- ;;
- *)
- basic_machine=`echo $1 | sed 's/-[^-]*$//'`
- if [ $basic_machine != $1 ]
- then os=`echo $1 | sed 's/.*-/-/'`
- else os=; fi
- ;;
-esac
-
-### Let's recognize common machines as not being operating systems so
-### that things like config.sub decstation-3100 work. We also
-### recognize some manufacturers as not being operating systems, so we
-### can provide default operating systems below.
-case $os in
- -sun*os*)
- # Prevent following clause from handling this invalid input.
- ;;
- -dec* | -mips* | -sequent* | -encore* | -pc532* | -sgi* | -sony* | \
- -att* | -7300* | -3300* | -delta* | -motorola* | -sun[234]* | \
- -unicom* | -ibm* | -next | -hp | -isi* | -apollo | -altos* | \
- -convergent* | -ncr* | -news | -32* | -3600* | -3100* | -hitachi* |\
- -c[123]* | -convex* | -sun | -crds | -omron* | -dg | -ultra | -tti* | \
- -harris | -dolphin | -highlevel | -gould | -cbm | -ns | -masscomp | \
- -apple | -axis)
- os=
- basic_machine=$1
- ;;
- -sim | -cisco | -oki | -wec | -winbond)
- os=
- basic_machine=$1
- ;;
- -scout)
- ;;
- -wrs)
- os=-vxworks
- basic_machine=$1
- ;;
- -chorusos*)
- os=-chorusos
- basic_machine=$1
- ;;
- -chorusrdb)
- os=-chorusrdb
- basic_machine=$1
- ;;
- -hiux*)
- os=-hiuxwe2
- ;;
- -sco5)
- os=-sco3.2v5
- basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
- ;;
- -sco4)
- os=-sco3.2v4
- basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
- ;;
- -sco3.2.[4-9]*)
- os=`echo $os | sed -e 's/sco3.2./sco3.2v/'`
- basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
- ;;
- -sco3.2v[4-9]*)
- # Don't forget version if it is 3.2v4 or newer.
- basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
- ;;
- -sco*)
- os=-sco3.2v2
- basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
- ;;
- -udk*)
- basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
- ;;
- -isc)
- os=-isc2.2
- basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
- ;;
- -clix*)
- basic_machine=clipper-intergraph
- ;;
- -isc*)
- basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
- ;;
- -lynx*)
- os=-lynxos
- ;;
- -ptx*)
- basic_machine=`echo $1 | sed -e 's/86-.*/86-sequent/'`
- ;;
- -windowsnt*)
- os=`echo $os | sed -e 's/windowsnt/winnt/'`
- ;;
- -psos*)
- os=-psos
- ;;
- -mint | -mint[0-9]*)
- basic_machine=m68k-atari
- os=-mint
- ;;
-esac
-
-# Decode aliases for certain CPU-COMPANY combinations.
-case $basic_machine in
- # Recognize the basic CPU types without company name.
- # Some are omitted here because they have special meanings below.
- 1750a | 580 \
- | a29k \
- | alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \
- | alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \
- | arc | arm | arm[bl]e | arme[lb] | armv[2345] | armv[345][lb] | avr \
- | clipper \
- | d10v | d30v | dlx | dsp16xx \
- | fr30 | frv \
- | h8300 | h8500 | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \
- | i370 | i860 | i960 | ia64 \
- | ip2k \
- | m32r | m68000 | m68k | m88k | mcore \
- | mips | mipsbe | mipseb | mipsel | mipsle \
- | mips16 \
- | mips64 | mips64el \
- | mips64vr | mips64vrel \
- | mips64orion | mips64orionel \
- | mips64vr4100 | mips64vr4100el \
- | mips64vr4300 | mips64vr4300el \
- | mips64vr5000 | mips64vr5000el \
- | mipsisa32 | mipsisa32el \
- | mipsisa32r2 | mipsisa32r2el \
- | mipsisa64 | mipsisa64el \
- | mipsisa64sb1 | mipsisa64sb1el \
- | mipsisa64sr71k | mipsisa64sr71kel \
- | mipstx39 | mipstx39el \
- | mn10200 | mn10300 \
- | msp430 \
- | ns16k | ns32k \
- | openrisc | or32 \
- | pdp10 | pdp11 | pj | pjl \
- | powerpc | powerpc64 | powerpc64le | powerpcle | ppcbe \
- | pyramid \
- | sh | sh[1234] | sh[23]e | sh[34]eb | shbe | shle | sh[1234]le | sh3ele \
- | sh64 | sh64le \
- | sparc | sparc64 | sparc86x | sparclet | sparclite | sparcv9 | sparcv9b \
- | strongarm \
- | tahoe | thumb | tic80 | tron \
- | v850 | v850e \
- | we32k \
- | x86 | xscale | xstormy16 | xtensa \
- | z8k)
- basic_machine=$basic_machine-unknown
- ;;
- m6811 | m68hc11 | m6812 | m68hc12)
- # Motorola 68HC11/12.
- basic_machine=$basic_machine-unknown
- os=-none
- ;;
- m88110 | m680[12346]0 | m683?2 | m68360 | m5200 | v70 | w65 | z8k)
- ;;
-
- # We use `pc' rather than `unknown'
- # because (1) that's what they normally are, and
- # (2) the word "unknown" tends to confuse beginning users.
- i*86 | x86_64)
- basic_machine=$basic_machine-pc
- ;;
- # Object if more than one company name word.
- *-*-*)
- echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
- exit 1
- ;;
- # Recognize the basic CPU types with company name.
- 580-* \
- | a29k-* \
- | alpha-* | alphaev[4-8]-* | alphaev56-* | alphaev6[78]-* \
- | alpha64-* | alpha64ev[4-8]-* | alpha64ev56-* | alpha64ev6[78]-* \
- | alphapca5[67]-* | alpha64pca5[67]-* | arc-* \
- | arm-* | armbe-* | armle-* | armeb-* | armv*-* \
- | avr-* \
- | bs2000-* \
- | c[123]* | c30-* | [cjt]90-* | c4x-* | c54x-* | c55x-* | c6x-* \
- | clipper-* | cydra-* \
- | d10v-* | d30v-* | dlx-* \
- | elxsi-* \
- | f30[01]-* | f700-* | fr30-* | frv-* | fx80-* \
- | h8300-* | h8500-* \
- | hppa-* | hppa1.[01]-* | hppa2.0-* | hppa2.0[nw]-* | hppa64-* \
- | i*86-* | i860-* | i960-* | ia64-* \
- | ip2k-* \
- | m32r-* \
- | m68000-* | m680[012346]0-* | m68360-* | m683?2-* | m68k-* \
- | m88110-* | m88k-* | mcore-* \
- | mips-* | mipsbe-* | mipseb-* | mipsel-* | mipsle-* \
- | mips16-* \
- | mips64-* | mips64el-* \
- | mips64vr-* | mips64vrel-* \
- | mips64orion-* | mips64orionel-* \
- | mips64vr4100-* | mips64vr4100el-* \
- | mips64vr4300-* | mips64vr4300el-* \
- | mips64vr5000-* | mips64vr5000el-* \
- | mipsisa32-* | mipsisa32el-* \
- | mipsisa32r2-* | mipsisa32r2el-* \
- | mipsisa64-* | mipsisa64el-* \
- | mipsisa64sb1-* | mipsisa64sb1el-* \
- | mipsisa64sr71k-* | mipsisa64sr71kel-* \
- | mipstx39-* | mipstx39el-* \
- | msp430-* \
- | none-* | np1-* | nv1-* | ns16k-* | ns32k-* \
- | orion-* \
- | pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \
- | powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* | ppcbe-* \
- | pyramid-* \
- | romp-* | rs6000-* \
- | sh-* | sh[1234]-* | sh[23]e-* | sh[34]eb-* | shbe-* \
- | shle-* | sh[1234]le-* | sh3ele-* | sh64-* | sh64le-* \
- | sparc-* | sparc64-* | sparc86x-* | sparclet-* | sparclite-* \
- | sparcv9-* | sparcv9b-* | strongarm-* | sv1-* | sx?-* \
- | tahoe-* | thumb-* \
- | tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* \
- | tron-* \
- | v850-* | v850e-* | vax-* \
- | we32k-* \
- | x86-* | x86_64-* | xps100-* | xscale-* | xstormy16-* \
- | xtensa-* \
- | ymp-* \
- | z8k-*)
- ;;
- # Recognize the various machine names and aliases which stand
- # for a CPU type and a company and sometimes even an OS.
- 386bsd)
- basic_machine=i386-unknown
- os=-bsd
- ;;
- 3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc)
- basic_machine=m68000-att
- ;;
- 3b*)
- basic_machine=we32k-att
- ;;
- a29khif)
- basic_machine=a29k-amd
- os=-udi
- ;;
- adobe68k)
- basic_machine=m68010-adobe
- os=-scout
- ;;
- alliant | fx80)
- basic_machine=fx80-alliant
- ;;
- altos | altos3068)
- basic_machine=m68k-altos
- ;;
- am29k)
- basic_machine=a29k-none
- os=-bsd
- ;;
- amd64)
- basic_machine=x86_64-pc
- ;;
- amdahl)
- basic_machine=580-amdahl
- os=-sysv
- ;;
- amiga | amiga-*)
- basic_machine=m68k-unknown
- ;;
- amigaos | amigados)
- basic_machine=m68k-unknown
- os=-amigaos
- ;;
- amigaunix | amix)
- basic_machine=m68k-unknown
- os=-sysv4
- ;;
- apollo68)
- basic_machine=m68k-apollo
- os=-sysv
- ;;
- apollo68bsd)
- basic_machine=m68k-apollo
- os=-bsd
- ;;
- aux)
- basic_machine=m68k-apple
- os=-aux
- ;;
- balance)
- basic_machine=ns32k-sequent
- os=-dynix
- ;;
- c90)
- basic_machine=c90-cray
- os=-unicos
- ;;
- convex-c1)
- basic_machine=c1-convex
- os=-bsd
- ;;
- convex-c2)
- basic_machine=c2-convex
- os=-bsd
- ;;
- convex-c32)
- basic_machine=c32-convex
- os=-bsd
- ;;
- convex-c34)
- basic_machine=c34-convex
- os=-bsd
- ;;
- convex-c38)
- basic_machine=c38-convex
- os=-bsd
- ;;
- cray | j90)
- basic_machine=j90-cray
- os=-unicos
- ;;
- crds | unos)
- basic_machine=m68k-crds
- ;;
- cris | cris-* | etrax*)
- basic_machine=cris-axis
- ;;
- da30 | da30-*)
- basic_machine=m68k-da30
- ;;
- decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn)
- basic_machine=mips-dec
- ;;
- decsystem10* | dec10*)
- basic_machine=pdp10-dec
- os=-tops10
- ;;
- decsystem20* | dec20*)
- basic_machine=pdp10-dec
- os=-tops20
- ;;
- delta | 3300 | motorola-3300 | motorola-delta \
- | 3300-motorola | delta-motorola)
- basic_machine=m68k-motorola
- ;;
- delta88)
- basic_machine=m88k-motorola
- os=-sysv3
- ;;
- dpx20 | dpx20-*)
- basic_machine=rs6000-bull
- os=-bosx
- ;;
- dpx2* | dpx2*-bull)
- basic_machine=m68k-bull
- os=-sysv3
- ;;
- ebmon29k)
- basic_machine=a29k-amd
- os=-ebmon
- ;;
- elxsi)
- basic_machine=elxsi-elxsi
- os=-bsd
- ;;
- encore | umax | mmax)
- basic_machine=ns32k-encore
- ;;
- es1800 | OSE68k | ose68k | ose | OSE)
- basic_machine=m68k-ericsson
- os=-ose
- ;;
- fx2800)
- basic_machine=i860-alliant
- ;;
- genix)
- basic_machine=ns32k-ns
- ;;
- gmicro)
- basic_machine=tron-gmicro
- os=-sysv
- ;;
- go32)
- basic_machine=i386-pc
- os=-go32
- ;;
- h3050r* | hiux*)
- basic_machine=hppa1.1-hitachi
- os=-hiuxwe2
- ;;
- h8300hms)
- basic_machine=h8300-hitachi
- os=-hms
- ;;
- h8300xray)
- basic_machine=h8300-hitachi
- os=-xray
- ;;
- h8500hms)
- basic_machine=h8500-hitachi
- os=-hms
- ;;
- harris)
- basic_machine=m88k-harris
- os=-sysv3
- ;;
- hp300-*)
- basic_machine=m68k-hp
- ;;
- hp300bsd)
- basic_machine=m68k-hp
- os=-bsd
- ;;
- hp300hpux)
- basic_machine=m68k-hp
- os=-hpux
- ;;
- hp3k9[0-9][0-9] | hp9[0-9][0-9])
- basic_machine=hppa1.0-hp
- ;;
- hp9k2[0-9][0-9] | hp9k31[0-9])
- basic_machine=m68000-hp
- ;;
- hp9k3[2-9][0-9])
- basic_machine=m68k-hp
- ;;
- hp9k6[0-9][0-9] | hp6[0-9][0-9])
- basic_machine=hppa1.0-hp
- ;;
- hp9k7[0-79][0-9] | hp7[0-79][0-9])
- basic_machine=hppa1.1-hp
- ;;
- hp9k78[0-9] | hp78[0-9])
- # FIXME: really hppa2.0-hp
- basic_machine=hppa1.1-hp
- ;;
- hp9k8[67]1 | hp8[67]1 | hp9k80[24] | hp80[24] | hp9k8[78]9 | hp8[78]9 | hp9k893 | hp893)
- # FIXME: really hppa2.0-hp
- basic_machine=hppa1.1-hp
- ;;
- hp9k8[0-9][13679] | hp8[0-9][13679])
- basic_machine=hppa1.1-hp
- ;;
- hp9k8[0-9][0-9] | hp8[0-9][0-9])
- basic_machine=hppa1.0-hp
- ;;
- hppa-next)
- os=-nextstep3
- ;;
- hppaosf)
- basic_machine=hppa1.1-hp
- os=-osf
- ;;
- hppro)
- basic_machine=hppa1.1-hp
- os=-proelf
- ;;
- i370-ibm* | ibm*)
- basic_machine=i370-ibm
- ;;
-# I'm not sure what "Sysv32" means. Should this be sysv3.2?
- i*86v32)
- basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
- os=-sysv32
- ;;
- i*86v4*)
- basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
- os=-sysv4
- ;;
- i*86v)
- basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
- os=-sysv
- ;;
- i*86sol2)
- basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
- os=-solaris2
- ;;
- i386mach)
- basic_machine=i386-mach
- os=-mach
- ;;
- i386-vsta | vsta)
- basic_machine=i386-unknown
- os=-vsta
- ;;
- iris | iris4d)
- basic_machine=mips-sgi
- case $os in
- -irix*)
- ;;
- *)
- os=-irix4
- ;;
- esac
- ;;
- isi68 | isi)
- basic_machine=m68k-isi
- os=-sysv
- ;;
- m88k-omron*)
- basic_machine=m88k-omron
- ;;
- magnum | m3230)
- basic_machine=mips-mips
- os=-sysv
- ;;
- merlin)
- basic_machine=ns32k-utek
- os=-sysv
- ;;
- mingw32)
- basic_machine=i386-pc
- os=-mingw32
- ;;
- miniframe)
- basic_machine=m68000-convergent
- ;;
- *mint | -mint[0-9]* | *MiNT | *MiNT[0-9]*)
- basic_machine=m68k-atari
- os=-mint
- ;;
- mips3*-*)
- basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`
- ;;
- mips3*)
- basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`-unknown
- ;;
- mmix*)
- basic_machine=mmix-knuth
- os=-mmixware
- ;;
- monitor)
- basic_machine=m68k-rom68k
- os=-coff
- ;;
- morphos)
- basic_machine=powerpc-unknown
- os=-morphos
- ;;
- msdos)
- basic_machine=i386-pc
- os=-msdos
- ;;
- mvs)
- basic_machine=i370-ibm
- os=-mvs
- ;;
- ncr3000)
- basic_machine=i486-ncr
- os=-sysv4
- ;;
- netbsd386)
- basic_machine=i386-unknown
- os=-netbsd
- ;;
- netwinder)
- basic_machine=armv4l-rebel
- os=-linux
- ;;
- news | news700 | news800 | news900)
- basic_machine=m68k-sony
- os=-newsos
- ;;
- news1000)
- basic_machine=m68030-sony
- os=-newsos
- ;;
- news-3600 | risc-news)
- basic_machine=mips-sony
- os=-newsos
- ;;
- necv70)
- basic_machine=v70-nec
- os=-sysv
- ;;
- next | m*-next )
- basic_machine=m68k-next
- case $os in
- -nextstep* )
- ;;
- -ns2*)
- os=-nextstep2
- ;;
- *)
- os=-nextstep3
- ;;
- esac
- ;;
- nh3000)
- basic_machine=m68k-harris
- os=-cxux
- ;;
- nh[45]000)
- basic_machine=m88k-harris
- os=-cxux
- ;;
- nindy960)
- basic_machine=i960-intel
- os=-nindy
- ;;
- mon960)
- basic_machine=i960-intel
- os=-mon960
- ;;
- nonstopux)
- basic_machine=mips-compaq
- os=-nonstopux
- ;;
- np1)
- basic_machine=np1-gould
- ;;
- nv1)
- basic_machine=nv1-cray
- os=-unicosmp
- ;;
- nsr-tandem)
- basic_machine=nsr-tandem
- ;;
- op50n-* | op60c-*)
- basic_machine=hppa1.1-oki
- os=-proelf
- ;;
- or32 | or32-*)
- basic_machine=or32-unknown
- os=-coff
- ;;
- OSE68000 | ose68000)
- basic_machine=m68000-ericsson
- os=-ose
- ;;
- os68k)
- basic_machine=m68k-none
- os=-os68k
- ;;
- pa-hitachi)
- basic_machine=hppa1.1-hitachi
- os=-hiuxwe2
- ;;
- paragon)
- basic_machine=i860-intel
- os=-osf
- ;;
- pbd)
- basic_machine=sparc-tti
- ;;
- pbb)
- basic_machine=m68k-tti
- ;;
- pc532 | pc532-*)
- basic_machine=ns32k-pc532
- ;;
- pentium | p5 | k5 | k6 | nexgen | viac3)
- basic_machine=i586-pc
- ;;
- pentiumpro | p6 | 6x86 | athlon | athlon_*)
- basic_machine=i686-pc
- ;;
- pentiumii | pentium2)
- basic_machine=i686-pc
- ;;
- pentium-* | p5-* | k5-* | k6-* | nexgen-* | viac3-*)
- basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'`
- ;;
- pentiumpro-* | p6-* | 6x86-* | athlon-*)
- basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'`
- ;;
- pentiumii-* | pentium2-*)
- basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'`
- ;;
- pn)
- basic_machine=pn-gould
- ;;
- power) basic_machine=power-ibm
- ;;
- ppc) basic_machine=powerpc-unknown
- ;;
- ppc-*) basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'`
- ;;
- ppcle | powerpclittle | ppc-le | powerpc-little)
- basic_machine=powerpcle-unknown
- ;;
- ppcle-* | powerpclittle-*)
- basic_machine=powerpcle-`echo $basic_machine | sed 's/^[^-]*-//'`
- ;;
- ppc64) basic_machine=powerpc64-unknown
- ;;
- ppc64-*) basic_machine=powerpc64-`echo $basic_machine | sed 's/^[^-]*-//'`
- ;;
- ppc64le | powerpc64little | ppc64-le | powerpc64-little)
- basic_machine=powerpc64le-unknown
- ;;
- ppc64le-* | powerpc64little-*)
- basic_machine=powerpc64le-`echo $basic_machine | sed 's/^[^-]*-//'`
- ;;
- ps2)
- basic_machine=i386-ibm
- ;;
- pw32)
- basic_machine=i586-unknown
- os=-pw32
- ;;
- rom68k)
- basic_machine=m68k-rom68k
- os=-coff
- ;;
- rm[46]00)
- basic_machine=mips-siemens
- ;;
- rtpc | rtpc-*)
- basic_machine=romp-ibm
- ;;
- s390 | s390-*)
- basic_machine=s390-ibm
- ;;
- s390x | s390x-*)
- basic_machine=s390x-ibm
- ;;
- sa29200)
- basic_machine=a29k-amd
- os=-udi
- ;;
- sb1)
- basic_machine=mipsisa64sb1-unknown
- ;;
- sb1el)
- basic_machine=mipsisa64sb1el-unknown
- ;;
- sequent)
- basic_machine=i386-sequent
- ;;
- sh)
- basic_machine=sh-hitachi
- os=-hms
- ;;
- sparclite-wrs | simso-wrs)
- basic_machine=sparclite-wrs
- os=-vxworks
- ;;
- sps7)
- basic_machine=m68k-bull
- os=-sysv2
- ;;
- spur)
- basic_machine=spur-unknown
- ;;
- st2000)
- basic_machine=m68k-tandem
- ;;
- stratus)
- basic_machine=i860-stratus
- os=-sysv4
- ;;
- sun2)
- basic_machine=m68000-sun
- ;;
- sun2os3)
- basic_machine=m68000-sun
- os=-sunos3
- ;;
- sun2os4)
- basic_machine=m68000-sun
- os=-sunos4
- ;;
- sun3os3)
- basic_machine=m68k-sun
- os=-sunos3
- ;;
- sun3os4)
- basic_machine=m68k-sun
- os=-sunos4
- ;;
- sun4os3)
- basic_machine=sparc-sun
- os=-sunos3
- ;;
- sun4os4)
- basic_machine=sparc-sun
- os=-sunos4
- ;;
- sun4sol2)
- basic_machine=sparc-sun
- os=-solaris2
- ;;
- sun3 | sun3-*)
- basic_machine=m68k-sun
- ;;
- sun4)
- basic_machine=sparc-sun
- ;;
- sun386 | sun386i | roadrunner)
- basic_machine=i386-sun
- ;;
- sv1)
- basic_machine=sv1-cray
- os=-unicos
- ;;
- symmetry)
- basic_machine=i386-sequent
- os=-dynix
- ;;
- t3e)
- basic_machine=alphaev5-cray
- os=-unicos
- ;;
- t90)
- basic_machine=t90-cray
- os=-unicos
- ;;
- tic4x | c4x*)
- basic_machine=tic4x-unknown
- os=-coff
- ;;
- tic54x | c54x*)
- basic_machine=tic54x-unknown
- os=-coff
- ;;
- tic55x | c55x*)
- basic_machine=tic55x-unknown
- os=-coff
- ;;
- tic6x | c6x*)
- basic_machine=tic6x-unknown
- os=-coff
- ;;
- tx39)
- basic_machine=mipstx39-unknown
- ;;
- tx39el)
- basic_machine=mipstx39el-unknown
- ;;
- toad1)
- basic_machine=pdp10-xkl
- os=-tops20
- ;;
- tower | tower-32)
- basic_machine=m68k-ncr
- ;;
- udi29k)
- basic_machine=a29k-amd
- os=-udi
- ;;
- ultra3)
- basic_machine=a29k-nyu
- os=-sym1
- ;;
- v810 | necv810)
- basic_machine=v810-nec
- os=-none
- ;;
- vaxv)
- basic_machine=vax-dec
- os=-sysv
- ;;
- vms)
- basic_machine=vax-dec
- os=-vms
- ;;
- vpp*|vx|vx-*)
- basic_machine=f301-fujitsu
- ;;
- vxworks960)
- basic_machine=i960-wrs
- os=-vxworks
- ;;
- vxworks68)
- basic_machine=m68k-wrs
- os=-vxworks
- ;;
- vxworks29k)
- basic_machine=a29k-wrs
- os=-vxworks
- ;;
- w65*)
- basic_machine=w65-wdc
- os=-none
- ;;
- w89k-*)
- basic_machine=hppa1.1-winbond
- os=-proelf
- ;;
- xps | xps100)
- basic_machine=xps100-honeywell
- ;;
- ymp)
- basic_machine=ymp-cray
- os=-unicos
- ;;
- z8k-*-coff)
- basic_machine=z8k-unknown
- os=-sim
- ;;
- none)
- basic_machine=none-none
- os=-none
- ;;
-
-# Here we handle the default manufacturer of certain CPU types. It is in
-# some cases the only manufacturer, in others, it is the most popular.
- w89k)
- basic_machine=hppa1.1-winbond
- ;;
- op50n)
- basic_machine=hppa1.1-oki
- ;;
- op60c)
- basic_machine=hppa1.1-oki
- ;;
- romp)
- basic_machine=romp-ibm
- ;;
- rs6000)
- basic_machine=rs6000-ibm
- ;;
- vax)
- basic_machine=vax-dec
- ;;
- pdp10)
- # there are many clones, so DEC is not a safe bet
- basic_machine=pdp10-unknown
- ;;
- pdp11)
- basic_machine=pdp11-dec
- ;;
- we32k)
- basic_machine=we32k-att
- ;;
- sh3 | sh4 | sh[34]eb | sh[1234]le | sh[23]ele)
- basic_machine=sh-unknown
- ;;
- sh64)
- basic_machine=sh64-unknown
- ;;
- sparc | sparcv9 | sparcv9b)
- basic_machine=sparc-sun
- ;;
- cydra)
- basic_machine=cydra-cydrome
- ;;
- orion)
- basic_machine=orion-highlevel
- ;;
- orion105)
- basic_machine=clipper-highlevel
- ;;
- mac | mpw | mac-mpw)
- basic_machine=m68k-apple
- ;;
- pmac | pmac-mpw)
- basic_machine=powerpc-apple
- ;;
- *-unknown)
- # Make sure to match an already-canonicalized machine name.
- ;;
- *)
- echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
- exit 1
- ;;
-esac
-
-# Here we canonicalize certain aliases for manufacturers.
-case $basic_machine in
- *-digital*)
- basic_machine=`echo $basic_machine | sed 's/digital.*/dec/'`
- ;;
- *-commodore*)
- basic_machine=`echo $basic_machine | sed 's/commodore.*/cbm/'`
- ;;
- *)
- ;;
-esac
-
-# Decode manufacturer-specific aliases for certain operating systems.
-
-if [ x"$os" != x"" ]
-then
-case $os in
- # First match some system type aliases
- # that might get confused with valid system types.
- # -solaris* is a basic system type, with this one exception.
- -solaris1 | -solaris1.*)
- os=`echo $os | sed -e 's|solaris1|sunos4|'`
- ;;
- -solaris)
- os=-solaris2
- ;;
- -svr4*)
- os=-sysv4
- ;;
- -unixware*)
- os=-sysv4.2uw
- ;;
- -gnu/linux*)
- os=`echo $os | sed -e 's|gnu/linux|linux-gnu|'`
- ;;
- # First accept the basic system types.
- # The portable systems comes first.
- # Each alternative MUST END IN A *, to match a version number.
- # -sysv* is not here because it comes later, after sysvr4.
- -gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* | -irix* \
- | -*vms* | -sco* | -esix* | -isc* | -aix* | -sunos | -sunos[34]*\
- | -hpux* | -unos* | -osf* | -luna* | -dgux* | -solaris* | -sym* \
- | -amigaos* | -amigados* | -msdos* | -newsos* | -unicos* | -aof* \
- | -aos* \
- | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* \
- | -clix* | -riscos* | -uniplus* | -iris* | -rtu* | -xenix* \
- | -hiux* | -386bsd* | -netbsd* | -openbsd* | -freebsd* | -riscix* \
- | -lynxos* | -bosx* | -nextstep* | -cxux* | -aout* | -elf* | -oabi* \
- | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \
- | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \
- | -chorusos* | -chorusrdb* \
- | -cygwin* | -pe* | -psos* | -moss* | -proelf* | -rtems* \
- | -mingw32* | -linux-gnu* | -uxpv* | -beos* | -mpeix* | -udk* \
- | -interix* | -uwin* | -mks* | -rhapsody* | -darwin* | -opened* \
- | -openstep* | -oskit* | -conix* | -pw32* | -nonstopux* \
- | -storm-chaos* | -tops10* | -tenex* | -tops20* | -its* \
- | -os2* | -vos* | -palmos* | -uclinux* | -nucleus* \
- | -morphos* | -superux* | -rtmk* | -rtmk-nova* | -windiss* \
- | -powermax* | -dnix*)
- # Remember, each alternative MUST END IN *, to match a version number.
- ;;
- -qnx*)
- case $basic_machine in
- x86-* | i*86-*)
- ;;
- *)
- os=-nto$os
- ;;
- esac
- ;;
- -nto-qnx*)
- ;;
- -nto*)
- os=`echo $os | sed -e 's|nto|nto-qnx|'`
- ;;
- -sim | -es1800* | -hms* | -xray | -os68k* | -none* | -v88r* \
- | -windows* | -osx | -abug | -netware* | -os9* | -beos* \
- | -macos* | -mpw* | -magic* | -mmixware* | -mon960* | -lnews*)
- ;;
- -mac*)
- os=`echo $os | sed -e 's|mac|macos|'`
- ;;
- -linux*)
- os=`echo $os | sed -e 's|linux|linux-gnu|'`
- ;;
- -sunos5*)
- os=`echo $os | sed -e 's|sunos5|solaris2|'`
- ;;
- -sunos6*)
- os=`echo $os | sed -e 's|sunos6|solaris3|'`
- ;;
- -opened*)
- os=-openedition
- ;;
- -wince*)
- os=-wince
- ;;
- -osfrose*)
- os=-osfrose
- ;;
- -osf*)
- os=-osf
- ;;
- -utek*)
- os=-bsd
- ;;
- -dynix*)
- os=-bsd
- ;;
- -acis*)
- os=-aos
- ;;
- -atheos*)
- os=-atheos
- ;;
- -386bsd)
- os=-bsd
- ;;
- -ctix* | -uts*)
- os=-sysv
- ;;
- -nova*)
- os=-rtmk-nova
- ;;
- -ns2 )
- os=-nextstep2
- ;;
- -nsk*)
- os=-nsk
- ;;
- # Preserve the version number of sinix5.
- -sinix5.*)
- os=`echo $os | sed -e 's|sinix|sysv|'`
- ;;
- -sinix*)
- os=-sysv4
- ;;
- -triton*)
- os=-sysv3
- ;;
- -oss*)
- os=-sysv3
- ;;
- -svr4)
- os=-sysv4
- ;;
- -svr3)
- os=-sysv3
- ;;
- -sysvr4)
- os=-sysv4
- ;;
- # This must come after -sysvr4.
- -sysv*)
- ;;
- -ose*)
- os=-ose
- ;;
- -es1800*)
- os=-ose
- ;;
- -xenix)
- os=-xenix
- ;;
- -*mint | -mint[0-9]* | -*MiNT | -MiNT[0-9]*)
- os=-mint
- ;;
- -aros*)
- os=-aros
- ;;
- -kaos*)
- os=-kaos
- ;;
- -none)
- ;;
- *)
- # Get rid of the `-' at the beginning of $os.
- os=`echo $os | sed 's/[^-]*-//'`
- echo Invalid configuration \`$1\': system \`$os\' not recognized 1>&2
- exit 1
- ;;
-esac
-else
-
-# Here we handle the default operating systems that come with various machines.
-# The value should be what the vendor currently ships out the door with their
-# machine or put another way, the most popular os provided with the machine.
-
-# Note that if you're going to try to match "-MANUFACTURER" here (say,
-# "-sun"), then you have to tell the case statement up towards the top
-# that MANUFACTURER isn't an operating system. Otherwise, code above
-# will signal an error saying that MANUFACTURER isn't an operating
-# system, and we'll never get to this point.
-
-case $basic_machine in
- *-acorn)
- os=-riscix1.2
- ;;
- arm*-rebel)
- os=-linux
- ;;
- arm*-semi)
- os=-aout
- ;;
- # This must come before the *-dec entry.
- pdp10-*)
- os=-tops20
- ;;
- pdp11-*)
- os=-none
- ;;
- *-dec | vax-*)
- os=-ultrix4.2
- ;;
- m68*-apollo)
- os=-domain
- ;;
- i386-sun)
- os=-sunos4.0.2
- ;;
- m68000-sun)
- os=-sunos3
- # This also exists in the configure program, but was not the
- # default.
- # os=-sunos4
- ;;
- m68*-cisco)
- os=-aout
- ;;
- mips*-cisco)
- os=-elf
- ;;
- mips*-*)
- os=-elf
- ;;
- or32-*)
- os=-coff
- ;;
- *-tti) # must be before sparc entry or we get the wrong os.
- os=-sysv3
- ;;
- sparc-* | *-sun)
- os=-sunos4.1.1
- ;;
- *-be)
- os=-beos
- ;;
- *-ibm)
- os=-aix
- ;;
- *-wec)
- os=-proelf
- ;;
- *-winbond)
- os=-proelf
- ;;
- *-oki)
- os=-proelf
- ;;
- *-hp)
- os=-hpux
- ;;
- *-hitachi)
- os=-hiux
- ;;
- i860-* | *-att | *-ncr | *-altos | *-motorola | *-convergent)
- os=-sysv
- ;;
- *-cbm)
- os=-amigaos
- ;;
- *-dg)
- os=-dgux
- ;;
- *-dolphin)
- os=-sysv3
- ;;
- m68k-ccur)
- os=-rtu
- ;;
- m88k-omron*)
- os=-luna
- ;;
- *-next )
- os=-nextstep
- ;;
- *-sequent)
- os=-ptx
- ;;
- *-crds)
- os=-unos
- ;;
- *-ns)
- os=-genix
- ;;
- i370-*)
- os=-mvs
- ;;
- *-next)
- os=-nextstep3
- ;;
- *-gould)
- os=-sysv
- ;;
- *-highlevel)
- os=-bsd
- ;;
- *-encore)
- os=-bsd
- ;;
- *-sgi)
- os=-irix
- ;;
- *-siemens)
- os=-sysv4
- ;;
- *-masscomp)
- os=-rtu
- ;;
- f30[01]-fujitsu | f700-fujitsu)
- os=-uxpv
- ;;
- *-rom68k)
- os=-coff
- ;;
- *-*bug)
- os=-coff
- ;;
- *-apple)
- os=-macos
- ;;
- *-atari*)
- os=-mint
- ;;
- *)
- os=-none
- ;;
-esac
-fi
-
-# Here we handle the case where we know the os, and the CPU type, but not the
-# manufacturer. We pick the logical manufacturer.
-vendor=unknown
-case $basic_machine in
- *-unknown)
- case $os in
- -riscix*)
- vendor=acorn
- ;;
- -sunos*)
- vendor=sun
- ;;
- -aix*)
- vendor=ibm
- ;;
- -beos*)
- vendor=be
- ;;
- -hpux*)
- vendor=hp
- ;;
- -mpeix*)
- vendor=hp
- ;;
- -hiux*)
- vendor=hitachi
- ;;
- -unos*)
- vendor=crds
- ;;
- -dgux*)
- vendor=dg
- ;;
- -luna*)
- vendor=omron
- ;;
- -genix*)
- vendor=ns
- ;;
- -mvs* | -opened*)
- vendor=ibm
- ;;
- -ptx*)
- vendor=sequent
- ;;
- -vxsim* | -vxworks* | -windiss*)
- vendor=wrs
- ;;
- -aux*)
- vendor=apple
- ;;
- -hms*)
- vendor=hitachi
- ;;
- -mpw* | -macos*)
- vendor=apple
- ;;
- -*mint | -mint[0-9]* | -*MiNT | -MiNT[0-9]*)
- vendor=atari
- ;;
- -vos*)
- vendor=stratus
- ;;
- esac
- basic_machine=`echo $basic_machine | sed "s/unknown/$vendor/"`
- ;;
-esac
-
-echo $basic_machine$os
-exit 0
-
-# Local variables:
-# eval: (add-hook 'write-file-hooks 'time-stamp)
-# time-stamp-start: "timestamp='"
-# time-stamp-format: "%:y-%02m-%02d"
-# time-stamp-end: "'"
-# End:
diff --git a/src/audio/portaudio/configure b/src/audio/portaudio/configure
deleted file mode 100755
index b1807275cf..0000000000
--- a/src/audio/portaudio/configure
+++ /dev/null
@@ -1,1987 +0,0 @@
-#! /bin/sh
-
-# Guess values for system-dependent variables and create Makefiles.
-# Generated automatically using autoconf version 2.13
-# Copyright (C) 1992, 93, 94, 95, 96 Free Software Foundation, Inc.
-#
-# This configure script is free software; the Free Software Foundation
-# gives unlimited permission to copy, distribute and modify it.
-
-# Defaults:
-ac_help=
-ac_default_prefix=/usr/local
-# Any additions from configure.in:
-ac_help="$ac_help
- --with-alsa (default=auto)"
-ac_help="$ac_help
- --with-jack (default=auto)"
-ac_help="$ac_help
- --with-oss (default=yes)"
-ac_help="$ac_help
- --with-host_os (no default)"
-ac_help="$ac_help
- --with-winapi ((wmme/directx/asio) default=wmme)"
-ac_help="$ac_help
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-echo "configure:575: checking for $ac_word" >&5
-if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
- echo $ac_n "(cached) $ac_c" 1>&6
-else
- if test -n "$CC"; then
- ac_cv_prog_CC="$CC" # Let the user override the test.
-else
- IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=":"
- ac_prog_rejected=no
- ac_dummy="$PATH"
- for ac_dir in $ac_dummy; do
- test -z "$ac_dir" && ac_dir=.
- if test -f $ac_dir/$ac_word; then
- if test "$ac_dir/$ac_word" = "/usr/ucb/cc"; then
- ac_prog_rejected=yes
- continue
- fi
- ac_cv_prog_CC="cc"
- break
- fi
- done
- IFS="$ac_save_ifs"
-if test $ac_prog_rejected = yes; then
- # We found a bogon in the path, so make sure we never use it.
- set dummy $ac_cv_prog_CC
- shift
- if test $# -gt 0; then
- # We chose a different compiler from the bogus one.
- # However, it has the same basename, so the bogon will be chosen
- # first if we set CC to just the basename; use the full file name.
- shift
- set dummy "$ac_dir/$ac_word" "$@"
- shift
- ac_cv_prog_CC="$@"
- fi
-fi
-fi
-fi
-CC="$ac_cv_prog_CC"
-if test -n "$CC"; then
- echo "$ac_t""$CC" 1>&6
-else
- echo "$ac_t""no" 1>&6
-fi
-
- if test -z "$CC"; then
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- *win32* | *WIN32*)
- # Extract the first word of "cl", so it can be a program name with args.
-set dummy cl; ac_word=$2
-echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:626: checking for $ac_word" >&5
-if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
- echo $ac_n "(cached) $ac_c" 1>&6
-else
- if test -n "$CC"; then
- ac_cv_prog_CC="$CC" # Let the user override the test.
-else
- IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=":"
- ac_dummy="$PATH"
- for ac_dir in $ac_dummy; do
- test -z "$ac_dir" && ac_dir=.
- if test -f $ac_dir/$ac_word; then
- ac_cv_prog_CC="cl"
- break
- fi
- done
- IFS="$ac_save_ifs"
-fi
-fi
-CC="$ac_cv_prog_CC"
-if test -n "$CC"; then
- echo "$ac_t""$CC" 1>&6
-else
- echo "$ac_t""no" 1>&6
-fi
- ;;
- esac
- fi
- test -z "$CC" && { echo "configure: error: no acceptable cc found in \$PATH" 1>&2; exit 1; }
-fi
-
-echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:658: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
-
-ac_ext=c
-# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
-ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
-cross_compiling=$ac_cv_prog_cc_cross
-
-cat > conftest.$ac_ext << EOF
-
-#line 669 "configure"
-#include "confdefs.h"
-
-main(){return(0);}
-EOF
-if { (eval echo configure:674: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
- ac_cv_prog_cc_works=yes
- # If we can't run a trivial program, we are probably using a cross compiler.
- if (./conftest; exit) 2>/dev/null; then
- ac_cv_prog_cc_cross=no
- else
- ac_cv_prog_cc_cross=yes
- fi
-else
- echo "configure: failed program was:" >&5
- cat conftest.$ac_ext >&5
- ac_cv_prog_cc_works=no
-fi
-rm -fr conftest*
-ac_ext=c
-# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
-ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
-cross_compiling=$ac_cv_prog_cc_cross
-
-echo "$ac_t""$ac_cv_prog_cc_works" 1>&6
-if test $ac_cv_prog_cc_works = no; then
- { echo "configure: error: installation or configuration problem: C compiler cannot create executables." 1>&2; exit 1; }
-fi
-echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
-echo "configure:700: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
-echo "$ac_t""$ac_cv_prog_cc_cross" 1>&6
-cross_compiling=$ac_cv_prog_cc_cross
-
-echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
-echo "configure:705: checking whether we are using GNU C" >&5
-if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
- echo $ac_n "(cached) $ac_c" 1>&6
-else
- cat > conftest.c <<EOF
-#ifdef __GNUC__
- yes;
-#endif
-EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:714: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
- ac_cv_prog_gcc=yes
-else
- ac_cv_prog_gcc=no
-fi
-fi
-
-echo "$ac_t""$ac_cv_prog_gcc" 1>&6
-
-if test $ac_cv_prog_gcc = yes; then
- GCC=yes
-else
- GCC=
-fi
-
-ac_test_CFLAGS="${CFLAGS+set}"
-ac_save_CFLAGS="$CFLAGS"
-CFLAGS=
-echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
-echo "configure:733: checking whether ${CC-cc} accepts -g" >&5
-if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
- echo $ac_n "(cached) $ac_c" 1>&6
-else
- echo 'void f(){}' > conftest.c
-if test -z "`${CC-cc} -g -c conftest.c 2>&1`"; then
- ac_cv_prog_cc_g=yes
-else
- ac_cv_prog_cc_g=no
-fi
-rm -f conftest*
-
-fi
-
-echo "$ac_t""$ac_cv_prog_cc_g" 1>&6
-if test "$ac_test_CFLAGS" = set; then
- CFLAGS="$ac_save_CFLAGS"
-elif test $ac_cv_prog_cc_g = yes; then
- if test "$GCC" = yes; then
- CFLAGS="-g -O2"
- else
- CFLAGS="-g"
- fi
-else
- if test "$GCC" = yes; then
- CFLAGS="-O2"
- else
- CFLAGS=
- fi
-fi
-
-# Extract the first word of "ranlib", so it can be a program name with args.
-set dummy ranlib; ac_word=$2
-echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:767: checking for $ac_word" >&5
-if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
- echo $ac_n "(cached) $ac_c" 1>&6
-else
- if test -n "$RANLIB"; then
- ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test.
-else
- IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=":"
- ac_dummy="$PATH"
- for ac_dir in $ac_dummy; do
- test -z "$ac_dir" && ac_dir=.
- if test -f $ac_dir/$ac_word; then
- ac_cv_prog_RANLIB="ranlib"
- break
- fi
- done
- IFS="$ac_save_ifs"
- test -z "$ac_cv_prog_RANLIB" && ac_cv_prog_RANLIB=":"
-fi
-fi
-RANLIB="$ac_cv_prog_RANLIB"
-if test -n "$RANLIB"; then
- echo "$ac_t""$RANLIB" 1>&6
-else
- echo "$ac_t""no" 1>&6
-fi
-
-ac_aux_dir=
-for ac_dir in $srcdir $srcdir/.. $srcdir/../..; do
- if test -f $ac_dir/install-sh; then
- ac_aux_dir=$ac_dir
- ac_install_sh="$ac_aux_dir/install-sh -c"
- break
- elif test -f $ac_dir/install.sh; then
- ac_aux_dir=$ac_dir
- ac_install_sh="$ac_aux_dir/install.sh -c"
- break
- fi
-done
-if test -z "$ac_aux_dir"; then
- { echo "configure: error: can not find install-sh or install.sh in $srcdir $srcdir/.. $srcdir/../.." 1>&2; exit 1; }
-fi
-ac_config_guess=$ac_aux_dir/config.guess
-ac_config_sub=$ac_aux_dir/config.sub
-ac_configure=$ac_aux_dir/configure # This should be Cygnus configure.
-
-# Find a good install program. We prefer a C program (faster),
-# so one script is as good as another. But avoid the broken or
-# incompatible versions:
-# SysV /etc/install, /usr/sbin/install
-# SunOS /usr/etc/install
-# IRIX /sbin/install
-# AIX /bin/install
-# AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag
-# AFS /usr/afsws/bin/install, which mishandles nonexistent args
-# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
-# ./install, which can be erroneously created by make from ./install.sh.
-echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&6
-echo "configure:825: checking for a BSD compatible install" >&5
-if test -z "$INSTALL"; then
-if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then
- echo $ac_n "(cached) $ac_c" 1>&6
-else
- IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS=":"
- for ac_dir in $PATH; do
- # Account for people who put trailing slashes in PATH elements.
- case "$ac_dir/" in
- /|./|.//|/etc/*|/usr/sbin/*|/usr/etc/*|/sbin/*|/usr/afsws/bin/*|/usr/ucb/*) ;;
- *)
- # OSF1 and SCO ODT 3.0 have their own names for install.
- # Don't use installbsd from OSF since it installs stuff as root
- # by default.
- for ac_prog in ginstall scoinst install; do
- if test -f $ac_dir/$ac_prog; then
- if test $ac_prog = install &&
- grep dspmsg $ac_dir/$ac_prog >/dev/null 2>&1; then
- # AIX install. It has an incompatible calling convention.
- :
- else
- ac_cv_path_install="$ac_dir/$ac_prog -c"
- break 2
- fi
- fi
- done
- ;;
- esac
- done
- IFS="$ac_save_IFS"
-
-fi
- if test "${ac_cv_path_install+set}" = set; then
- INSTALL="$ac_cv_path_install"
- else
- # As a last resort, use the slow shell script. We don't cache a
- # path for INSTALL within a source directory, because that will
- # break other packages using the cache if that directory is
- # removed, or if the path is relative.
- INSTALL="$ac_install_sh"
- fi
-fi
-echo "$ac_t""$INSTALL" 1>&6
-
-# Use test -z because SunOS4 sh mishandles braces in ${var-val}.
-# It thinks the first close brace ends the variable substitution.
-test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}'
-
-test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL_PROGRAM}'
-
-test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
-
-# Extract the first word of "ar", so it can be a program name with args.
-set dummy ar; ac_word=$2
-echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:880: checking for $ac_word" >&5
-if eval "test \"`echo '$''{'ac_cv_path_AR'+set}'`\" = set"; then
- echo $ac_n "(cached) $ac_c" 1>&6
-else
- case "$AR" in
- /*)
- ac_cv_path_AR="$AR" # Let the user override the test with a path.
- ;;
- ?:/*)
- ac_cv_path_AR="$AR" # Let the user override the test with a dos path.
- ;;
- *)
- IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=":"
- ac_dummy="$PATH"
- for ac_dir in $ac_dummy; do
- test -z "$ac_dir" && ac_dir=.
- if test -f $ac_dir/$ac_word; then
- ac_cv_path_AR="$ac_dir/$ac_word"
- break
- fi
- done
- IFS="$ac_save_ifs"
- test -z "$ac_cv_path_AR" && ac_cv_path_AR="no"
- ;;
-esac
-fi
-AR="$ac_cv_path_AR"
-if test -n "$AR"; then
- echo "$ac_t""$AR" 1>&6
-else
- echo "$ac_t""no" 1>&6
-fi
-
-if [ $AR = "no" ] ; then
- { echo "configure: error: "Could not find ar - needed to create a library"" 1>&2; exit 1; };
-fi
-
-echo $ac_n "checking whether byte ordering is bigendian""... $ac_c" 1>&6
-echo "configure:918: checking whether byte ordering is bigendian" >&5
-if eval "test \"`echo '$''{'ac_cv_c_bigendian'+set}'`\" = set"; then
- echo $ac_n "(cached) $ac_c" 1>&6
-else
- ac_cv_c_bigendian=unknown
-# See if sys/param.h defines the BYTE_ORDER macro.
-cat > conftest.$ac_ext <<EOF
-#line 925 "configure"
-#include "confdefs.h"
-#include <sys/types.h>
-#include <sys/param.h>
-int main() {
-
-#if !BYTE_ORDER || !BIG_ENDIAN || !LITTLE_ENDIAN
- bogus endian macros
-#endif
-; return 0; }
-EOF
-if { (eval echo configure:936: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
- rm -rf conftest*
- # It does; now see whether it defined to BIG_ENDIAN or not.
-cat > conftest.$ac_ext <<EOF
-#line 940 "configure"
-#include "confdefs.h"
-#include <sys/types.h>
-#include <sys/param.h>
-int main() {
-
-#if BYTE_ORDER != BIG_ENDIAN
- not big endian
-#endif
-; return 0; }
-EOF
-if { (eval echo configure:951: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
- rm -rf conftest*
- ac_cv_c_bigendian=yes
-else
- echo "configure: failed program was:" >&5
- cat conftest.$ac_ext >&5
- rm -rf conftest*
- ac_cv_c_bigendian=no
-fi
-rm -f conftest*
-else
- echo "configure: failed program was:" >&5
- cat conftest.$ac_ext >&5
-fi
-rm -f conftest*
-if test $ac_cv_c_bigendian = unknown; then
-if test "$cross_compiling" = yes; then
- { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
-else
- cat > conftest.$ac_ext <<EOF
-#line 971 "configure"
-#include "confdefs.h"
-main () {
- /* Are we little or big endian? From Harbison&Steele. */
- union
- {
- long l;
- char c[sizeof (long)];
- } u;
- u.l = 1;
- exit (u.c[sizeof (long) - 1] == 1);
-}
-EOF
-if { (eval echo configure:984: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
-then
- ac_cv_c_bigendian=no
-else
- echo "configure: failed program was:" >&5
- cat conftest.$ac_ext >&5
- rm -fr conftest*
- ac_cv_c_bigendian=yes
-fi
-rm -fr conftest*
-fi
-
-fi
-fi
-
-echo "$ac_t""$ac_cv_c_bigendian" 1>&6
-if test $ac_cv_c_bigendian = yes; then
- cat >> confdefs.h <<\EOF
-#define WORDS_BIGENDIAN 1
-EOF
-
-fi
-
-
-
-
-
-
-
-
-
-
-
-echo $ac_n "checking for snd_pcm_open in -lasound""... $ac_c" 1>&6
-echo "configure:1018: checking for snd_pcm_open in -lasound" >&5
-ac_lib_var=`echo asound'_'snd_pcm_open | sed 'y%./+-%__p_%'`
-if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
- echo $ac_n "(cached) $ac_c" 1>&6
-else
- ac_save_LIBS="$LIBS"
-LIBS="-lasound $LIBS"
-cat > conftest.$ac_ext <<EOF
-#line 1026 "configure"
-#include "confdefs.h"
-/* Override any gcc2 internal prototype to avoid an error. */
-/* We use char because int might match the return type of a gcc2
- builtin and then its argument prototype would still apply. */
-char snd_pcm_open();
-
-int main() {
-snd_pcm_open()
-; return 0; }
-EOF
-if { (eval echo configure:1037: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
- rm -rf conftest*
- eval "ac_cv_lib_$ac_lib_var=yes"
-else
- echo "configure: failed program was:" >&5
- cat conftest.$ac_ext >&5
- rm -rf conftest*
- eval "ac_cv_lib_$ac_lib_var=no"
-fi
-rm -f conftest*
-LIBS="$ac_save_LIBS"
-
-fi
-if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
- echo "$ac_t""yes" 1>&6
- have_alsa=yes
-else
- echo "$ac_t""no" 1>&6
-have_alsa=no
-fi
-
-
-
-# Make sure we can run config.sub.
-if ${CONFIG_SHELL-/bin/sh} $ac_config_sub sun4 >/dev/null 2>&1; then :
-else { echo "configure: error: can not run $ac_config_sub" 1>&2; exit 1; }
-fi
-
-echo $ac_n "checking host system type""... $ac_c" 1>&6
-echo "configure:1066: checking host system type" >&5
-
-host_alias=$host
-case "$host_alias" in
-NONE)
- case $nonopt in
- NONE)
- if host_alias=`${CONFIG_SHELL-/bin/sh} $ac_config_guess`; then :
- else { echo "configure: error: can not guess host type; you must specify one" 1>&2; exit 1; }
- fi ;;
- *) host_alias=$nonopt ;;
- esac ;;
-esac
-
-host=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $host_alias`
-host_cpu=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
-host_vendor=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
-host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
-echo "$ac_t""$host" 1>&6
-
-
-
- succeeded=no
-
- if test -z "$PKG_CONFIG"; then
- # Extract the first word of "pkg-config", so it can be a program name with args.
-set dummy pkg-config; ac_word=$2
-echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1094: checking for $ac_word" >&5
-if eval "test \"`echo '$''{'ac_cv_path_PKG_CONFIG'+set}'`\" = set"; then
- echo $ac_n "(cached) $ac_c" 1>&6
-else
- case "$PKG_CONFIG" in
- /*)
- ac_cv_path_PKG_CONFIG="$PKG_CONFIG" # Let the user override the test with a path.
- ;;
- ?:/*)
- ac_cv_path_PKG_CONFIG="$PKG_CONFIG" # Let the user override the test with a dos path.
- ;;
- *)
- IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=":"
- ac_dummy="$PATH"
- for ac_dir in $ac_dummy; do
- test -z "$ac_dir" && ac_dir=.
- if test -f $ac_dir/$ac_word; then
- ac_cv_path_PKG_CONFIG="$ac_dir/$ac_word"
- break
- fi
- done
- IFS="$ac_save_ifs"
- test -z "$ac_cv_path_PKG_CONFIG" && ac_cv_path_PKG_CONFIG="no"
- ;;
-esac
-fi
-PKG_CONFIG="$ac_cv_path_PKG_CONFIG"
-if test -n "$PKG_CONFIG"; then
- echo "$ac_t""$PKG_CONFIG" 1>&6
-else
- echo "$ac_t""no" 1>&6
-fi
-
- fi
-
- if test "$PKG_CONFIG" = "no" ; then
- echo "*** The pkg-config script could not be found. Make sure it is"
- echo "*** in your path, or set the PKG_CONFIG environment variable"
- echo "*** to the full path to pkg-config."
- echo "*** Or see http://www.freedesktop.org/software/pkgconfig to get pkg-config."
- else
- PKG_CONFIG_MIN_VERSION=0.9.0
- if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
- echo $ac_n "checking for jack""... $ac_c" 1>&6
-echo "configure:1138: checking for jack" >&5
-
- if $PKG_CONFIG --exists "jack" ; then
- echo "$ac_t""yes" 1>&6
- succeeded=yes
-
- echo $ac_n "checking JACK_CFLAGS""... $ac_c" 1>&6
-echo "configure:1145: checking JACK_CFLAGS" >&5
- JACK_CFLAGS=`$PKG_CONFIG --cflags "jack"`
- echo "$ac_t""$JACK_CFLAGS" 1>&6
-
- echo $ac_n "checking JACK_LIBS""... $ac_c" 1>&6
-echo "configure:1150: checking JACK_LIBS" >&5
- JACK_LIBS=`$PKG_CONFIG --libs "jack"`
- echo "$ac_t""$JACK_LIBS" 1>&6
- else
- JACK_CFLAGS=""
- JACK_LIBS=""
- ## If we have a custom action on failure, don't print errors, but
- ## do set a variable so people can do so.
- JACK_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "jack"`
-
- fi
-
-
-
- else
- echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
- echo "*** See http://www.freedesktop.org/software/pkgconfig"
- fi
- fi
-
- if test $succeeded = yes; then
- have_jack=yes
- else
- have_jack=no
- fi
-
-
-# Check whether --with-alsa or --without-alsa was given.
-if test "${with_alsa+set}" = set; then
- withval="$with_alsa"
- with_alsa=$withval
-else
- with_alsa="yes"
-fi
-
-
-# Check whether --with-jack or --without-jack was given.
-if test "${with_jack+set}" = set; then
- withval="$with_jack"
- with_jack=$withval
-else
- with_jack="yes"
-fi
-
-
-# Check whether --with-oss or --without-oss was given.
-if test "${with_oss+set}" = set; then
- withval="$with_oss"
- with_oss=$withval
-else
- with_oss="yes"
-fi
-
-
-# Check whether --with-host_os or --without-host_os was given.
-if test "${with_host_os+set}" = set; then
- withval="$with_host_os"
- host_os=$withval
-fi
-
-
-# Check whether --with-winapi or --without-winapi was given.
-if test "${with_winapi+set}" = set; then
- withval="$with_winapi"
- with_winapi=$withval
-else
- with_winapi="wmme"
-fi
-
-
-# Check whether --with-macapi or --without-macapi was given.
-if test "${with_macapi+set}" = set; then
- withval="$with_macapi"
- with_macapi=$withval
-else
- with_macapi="core"
-fi
-
-
-# Check whether --with-asiodir or --without-asiodir was given.
-if test "${with_asiodir+set}" = set; then
- withval="$with_asiodir"
- with_asiodir=$withval
-else
- with_asiodir="/usr/local/asiosdk2"
-fi
-
-
-# Check whether --with-dxdir or --without-dxdir was given.
-if test "${with_dxdir+set}" = set; then
- withval="$with_dxdir"
- with_dxdir=$withval
-else
- with_dxdir="/usr/local/dx7sdk"
-fi
-
-
-CFLAGS="-g -O2 -Wall"
-
-if [ $ac_cv_c_bigendian = "yes" ] ; then
- CFLAGS="$CFLAGS -DPA_BIG_ENDIAN"
-else
- CFLAGS="$CFLAGS -DPA_LITTLE_ENDIAN"
-fi
-
-
-echo $ac_n "checking size of short""... $ac_c" 1>&6
-echo "configure:1257: checking size of short" >&5
-if eval "test \"`echo '$''{'ac_cv_sizeof_short'+set}'`\" = set"; then
- echo $ac_n "(cached) $ac_c" 1>&6
-else
- if test "$cross_compiling" = yes; then
- { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
-else
- cat > conftest.$ac_ext <<EOF
-#line 1265 "configure"
-#include "confdefs.h"
-#include <stdio.h>
-main()
-{
- FILE *f=fopen("conftestval", "w");
- if (!f) exit(1);
- fprintf(f, "%d\n", sizeof(short));
- exit(0);
-}
-EOF
-if { (eval echo configure:1276: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
-then
- ac_cv_sizeof_short=`cat conftestval`
-else
- echo "configure: failed program was:" >&5
- cat conftest.$ac_ext >&5
- rm -fr conftest*
- ac_cv_sizeof_short=0
-fi
-rm -fr conftest*
-fi
-
-fi
-echo "$ac_t""$ac_cv_sizeof_short" 1>&6
-cat >> confdefs.h <<EOF
-#define SIZEOF_SHORT $ac_cv_sizeof_short
-EOF
-
-
-echo $ac_n "checking size of int""... $ac_c" 1>&6
-echo "configure:1296: checking size of int" >&5
-if eval "test \"`echo '$''{'ac_cv_sizeof_int'+set}'`\" = set"; then
- echo $ac_n "(cached) $ac_c" 1>&6
-else
- if test "$cross_compiling" = yes; then
- { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
-else
- cat > conftest.$ac_ext <<EOF
-#line 1304 "configure"
-#include "confdefs.h"
-#include <stdio.h>
-main()
-{
- FILE *f=fopen("conftestval", "w");
- if (!f) exit(1);
- fprintf(f, "%d\n", sizeof(int));
- exit(0);
-}
-EOF
-if { (eval echo configure:1315: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
-then
- ac_cv_sizeof_int=`cat conftestval`
-else
- echo "configure: failed program was:" >&5
- cat conftest.$ac_ext >&5
- rm -fr conftest*
- ac_cv_sizeof_int=0
-fi
-rm -fr conftest*
-fi
-
-fi
-echo "$ac_t""$ac_cv_sizeof_int" 1>&6
-cat >> confdefs.h <<EOF
-#define SIZEOF_INT $ac_cv_sizeof_int
-EOF
-
-
-echo $ac_n "checking size of long""... $ac_c" 1>&6
-echo "configure:1335: checking size of long" >&5
-if eval "test \"`echo '$''{'ac_cv_sizeof_long'+set}'`\" = set"; then
- echo $ac_n "(cached) $ac_c" 1>&6
-else
- if test "$cross_compiling" = yes; then
- { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
-else
- cat > conftest.$ac_ext <<EOF
-#line 1343 "configure"
-#include "confdefs.h"
-#include <stdio.h>
-main()
-{
- FILE *f=fopen("conftestval", "w");
- if (!f) exit(1);
- fprintf(f, "%d\n", sizeof(long));
- exit(0);
-}
-EOF
-if { (eval echo configure:1354: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
-then
- ac_cv_sizeof_long=`cat conftestval`
-else
- echo "configure: failed program was:" >&5
- cat conftest.$ac_ext >&5
- rm -fr conftest*
- ac_cv_sizeof_long=0
-fi
-rm -fr conftest*
-fi
-
-fi
-echo "$ac_t""$ac_cv_sizeof_long" 1>&6
-cat >> confdefs.h <<EOF
-#define SIZEOF_LONG $ac_cv_sizeof_long
-EOF
-
-
-
-case "${host_os}" in
- darwin* )
-
- cat >> confdefs.h <<\EOF
-#define PA_USE_COREAUDIO 1
-EOF
-
- OTHER_OBJS="pa_mac/pa_mac_hostapis.o pa_unix/pa_unix_util.o pa_mac_core/pa_mac_core.o";
- LIBS="-framework CoreAudio -framework AudioToolbox";
- PADLL="libportaudio.dylib";
- SHARED_FLAGS="-framework CoreAudio -framework AudioToolbox -dynamiclib";
- if [ $with_macapi = "asio" ] ; then
- if [ $with_asiodir ] ; then
- ASIODIR="$with_asiodir";
- else
- ASIODIR="/usr/local/asiosdk2";
- fi
- echo "ASIODIR: $ASIODIR";
-
- OTHER_OBJS="$CFLAGS pa_asio/iasiothiscallresolver.o $ASIODIR/host/asiodrivers.o $ASIODIR/common/asio.o $ASIODIR/host/mac/asioshlib.o";
- CFLAGS="$CFLAGS -Ipa_asio -I$ASIDIR/host/mac -I$ASIODIR/common";
- CXXFLAGS="$CFLAGS";
- fi
- ;;
-
- mingw* )
-
- echo "WINAPI: $with_winapi"
- if [ $with_winapi = "directx" ] ; then
- if [ $with_dxdir ] ; then
- DXDIR="$with_dxdir";
- else
- DXDIR="/usr/local/dx7sdk";
- fi
- echo "DXDIR: $DXDIR"
- OTHER_OBJS="pa_win_ds/pa_win_ds.o pa_win_ds/dsound_wrapper.o pa_win/pa_win_hostapis.o pa_win/pa_win_util.o";
- LIBS="-lwinmm -lm -ldsound -lole32";
- PADLL="portaudio.dll";
- SHARED_FLAGS="-shared -mthreads";
- DLL_LIBS="-lwinmm -lm -L./dx7sdk/lib -ldsound -lole32";
- #VC98="\"/c/Program Files/Microsoft Visual Studio/VC98/Include\"";
- #CFLAGS="$CFLAGS -I$VC98 -DPA_NO_WMME -DPA_NO_ASIO";
- CFLAGS="$CFLAGS -Ipa_common -I$DXDIR/include -DPA_NO_WMME -DPA_NO_ASIO" -DPA_NO_WDMKS;
- elif [ $with_winapi = "asio" ] ; then
- if [ $with_asiodir ] ; then
- ASIODIR="$with_asiodir";
- else
- ASIODIR="/usr/local/asiosdk2";
- fi
- echo "ASIODIR: $ASIODIR"
-
- OTHER_OBJS="pa_asio/pa_asio.o pa_win/pa_win_hostapis.o pa_win/pa_win_util.o pa_asio/iasiothiscallresolver.o $ASIODIR/common/asio.o $ASIODIR/host/asiodrivers.o $ASIODIR/host/pc/asiolist.o";
- LIBS="-lwinmm -lm -lstdc++ -lole32 -luuid";
- PADLL="portaudio.dll";
- SHARED_FLAGS="-shared -mthreads";
- DLL_LIBS="-lwinmm -lm -lstdc++ -lole32 -luuid";
- CFLAGS="$CFLAGS -ffast-math -fomit-frame-pointer -Ipa_common -Ipa_asio -I$ASIODIR/host/pc -I$ASIODIR/common -I$ASIODIR/host -DPA_NO_WMME -DPA_NO_DS -DPA_NO_WDMKS -DWINDOWS";
- CXXFLAGS="$CFLAGS";
- elif [ $with_winapi = "wdmks" ] ; then
- if [ $with_dxdir ] ; then
- DXDIR="$with_dxdir";
- else
- DXDIR="/usr/local/dx7sdk";
- fi
- echo "DXDIR: $DXDIR"
- OTHER_OBJS="pa_win_wdmks/pa_win_wdmks.o pa_win/pa_win_hostapis.o pa_win/pa_win_util.o";
- LIBS="-lwinmm -lm -luuid -lsetupapi -lole32";
- PADLL="portaudio.dll";
- SHARED_FLAGS="-shared -mthreads";
- DLL_LIBS="-lwinmm -lm -L./dx7sdk/lib -luuid -lsetupapi -lole32";
- #VC98="\"/c/Program Files/Microsoft Visual Studio/VC98/Include\"";
- #CFLAGS="$CFLAGS -I$VC98 -DPA_NO_WMME -DPA_NO_ASIO";
- CFLAGS="$CFLAGS -Ipa_common -I$DXDIR/include -DPA_NO_WMME -DPA_NO_DS -DPA_NO_ASIO";
- else # WMME default
- OTHER_OBJS="pa_win_wmme/pa_win_wmme.o pa_win/pa_win_hostapis.o pa_win/pa_win_util.o";
- LIBS="-lwinmm -lm -lstdc++ -lole32 -luuid";
- PADLL="portaudio.dll";
- SHARED_FLAGS="-shared -mthreads";
- DLL_LIBS="-lwinmm";
- CFLAGS="$CFLAGS -Ipa_common -DPA_NO_DS -DPA_NO_ASIO -DPA_NO_WDMKS";
- fi
- ;;
-
- cygwin* )
-
- OTHER_OBJS="pa_win_wmme/pa_win_wmme.o";
- LIBS="-lwinmm -lm";
- PADLL="portaudio.dll";
- SHARED_FLAGS="-shared -mthreads";
- DLL_LIBS="-lwinmm";
- ;;
-
- irix* )
- echo $ac_n "checking for pthread_create in -lpthread""... $ac_c" 1>&6
-echo "configure:1468: checking for pthread_create in -lpthread" >&5
-ac_lib_var=`echo pthread'_'pthread_create | sed 'y%./+-%__p_%'`
-if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
- echo $ac_n "(cached) $ac_c" 1>&6
-else
- ac_save_LIBS="$LIBS"
-LIBS="-lpthread $LIBS"
-cat > conftest.$ac_ext <<EOF
-#line 1476 "configure"
-#include "confdefs.h"
-/* Override any gcc2 internal prototype to avoid an error. */
-/* We use char because int might match the return type of a gcc2
- builtin and then its argument prototype would still apply. */
-char pthread_create();
-
-int main() {
-pthread_create()
-; return 0; }
-EOF
-if { (eval echo configure:1487: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
- rm -rf conftest*
- eval "ac_cv_lib_$ac_lib_var=yes"
-else
- echo "configure: failed program was:" >&5
- cat conftest.$ac_ext >&5
- rm -rf conftest*
- eval "ac_cv_lib_$ac_lib_var=no"
-fi
-rm -f conftest*
-LIBS="$ac_save_LIBS"
-
-fi
-if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
- echo "$ac_t""yes" 1>&6
- ac_tr_lib=HAVE_LIB`echo pthread | sed -e 's/[^a-zA-Z0-9_]/_/g' \
- -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
- cat >> confdefs.h <<EOF
-#define $ac_tr_lib 1
-EOF
-
- LIBS="-lpthread $LIBS"
-
-else
- echo "$ac_t""no" 1>&6
-{ echo "configure: error: IRIX posix thread library not found!" 1>&2; exit 1; }
-fi
-
- echo $ac_n "checking for alOpenPort in -laudio""... $ac_c" 1>&6
-echo "configure:1516: checking for alOpenPort in -laudio" >&5
-ac_lib_var=`echo audio'_'alOpenPort | sed 'y%./+-%__p_%'`
-if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
- echo $ac_n "(cached) $ac_c" 1>&6
-else
- ac_save_LIBS="$LIBS"
-LIBS="-laudio $LIBS"
-cat > conftest.$ac_ext <<EOF
-#line 1524 "configure"
-#include "confdefs.h"
-/* Override any gcc2 internal prototype to avoid an error. */
-/* We use char because int might match the return type of a gcc2
- builtin and then its argument prototype would still apply. */
-char alOpenPort();
-
-int main() {
-alOpenPort()
-; return 0; }
-EOF
-if { (eval echo configure:1535: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
- rm -rf conftest*
- eval "ac_cv_lib_$ac_lib_var=yes"
-else
- echo "configure: failed program was:" >&5
- cat conftest.$ac_ext >&5
- rm -rf conftest*
- eval "ac_cv_lib_$ac_lib_var=no"
-fi
-rm -f conftest*
-LIBS="$ac_save_LIBS"
-
-fi
-if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
- echo "$ac_t""yes" 1>&6
- ac_tr_lib=HAVE_LIB`echo audio | sed -e 's/[^a-zA-Z0-9_]/_/g' \
- -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
- cat >> confdefs.h <<EOF
-#define $ac_tr_lib 1
-EOF
-
- LIBS="-laudio $LIBS"
-
-else
- echo "$ac_t""no" 1>&6
-{ echo "configure: error: IRIX audio library not found!" 1>&2; exit 1; }
-fi
-
- echo $ac_n "checking for dmGetUST in -ldmedia""... $ac_c" 1>&6
-echo "configure:1564: checking for dmGetUST in -ldmedia" >&5
-ac_lib_var=`echo dmedia'_'dmGetUST | sed 'y%./+-%__p_%'`
-if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
- echo $ac_n "(cached) $ac_c" 1>&6
-else
- ac_save_LIBS="$LIBS"
-LIBS="-ldmedia $LIBS"
-cat > conftest.$ac_ext <<EOF
-#line 1572 "configure"
-#include "confdefs.h"
-/* Override any gcc2 internal prototype to avoid an error. */
-/* We use char because int might match the return type of a gcc2
- builtin and then its argument prototype would still apply. */
-char dmGetUST();
-
-int main() {
-dmGetUST()
-; return 0; }
-EOF
-if { (eval echo configure:1583: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
- rm -rf conftest*
- eval "ac_cv_lib_$ac_lib_var=yes"
-else
- echo "configure: failed program was:" >&5
- cat conftest.$ac_ext >&5
- rm -rf conftest*
- eval "ac_cv_lib_$ac_lib_var=no"
-fi
-rm -f conftest*
-LIBS="$ac_save_LIBS"
-
-fi
-if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
- echo "$ac_t""yes" 1>&6
- ac_tr_lib=HAVE_LIB`echo dmedia | sed -e 's/[^a-zA-Z0-9_]/_/g' \
- -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
- cat >> confdefs.h <<EOF
-#define $ac_tr_lib 1
-EOF
-
- LIBS="-ldmedia $LIBS"
-
-else
- echo "$ac_t""no" 1>&6
-{ echo "configure: error: IRIX digital media library not found!" 1>&2; exit 1; }
-fi
-
-
- cat >> confdefs.h <<\EOF
-#define PA_USE_SGI 1
-EOF
-
-
- CFLAGS="$CFLAGS -D_REENTRANT"
-
- OTHER_OBJS="pa_sgi/pa_sgi.o pa_unix/pa_unix_hostapis.o pa_unix/pa_unix_util.o";
-
- LIBS="-lm -ldmedia -laudio -lpthread";
- PADLL="libportaudio.so";
- SHARED_FLAGS="-shared";
- ;;
-
- *)
-
- echo $ac_n "checking for pthread_create in -lpthread""... $ac_c" 1>&6
-echo "configure:1629: checking for pthread_create in -lpthread" >&5
-ac_lib_var=`echo pthread'_'pthread_create | sed 'y%./+-%__p_%'`
-if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
- echo $ac_n "(cached) $ac_c" 1>&6
-else
- ac_save_LIBS="$LIBS"
-LIBS="-lpthread $LIBS"
-cat > conftest.$ac_ext <<EOF
-#line 1637 "configure"
-#include "confdefs.h"
-/* Override any gcc2 internal prototype to avoid an error. */
-/* We use char because int might match the return type of a gcc2
- builtin and then its argument prototype would still apply. */
-char pthread_create();
-
-int main() {
-pthread_create()
-; return 0; }
-EOF
-if { (eval echo configure:1648: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
- rm -rf conftest*
- eval "ac_cv_lib_$ac_lib_var=yes"
-else
- echo "configure: failed program was:" >&5
- cat conftest.$ac_ext >&5
- rm -rf conftest*
- eval "ac_cv_lib_$ac_lib_var=no"
-fi
-rm -f conftest*
-LIBS="$ac_save_LIBS"
-
-fi
-if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
- echo "$ac_t""yes" 1>&6
- ac_tr_lib=HAVE_LIB`echo pthread | sed -e 's/[^a-zA-Z0-9_]/_/g' \
- -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
- cat >> confdefs.h <<EOF
-#define $ac_tr_lib 1
-EOF
-
- LIBS="-lpthread $LIBS"
-
-else
- echo "$ac_t""no" 1>&6
-{ echo "configure: error: libpthread not found!" 1>&2; exit 1; }
-fi
-
-
- if [ $have_alsa = "yes" ] && [ $with_alsa != "no" ] ; then
- LIBS="$LIBS -lasound"
- DLL_LIBS="$DLL_LIBS -lasound"
- OTHER_OBJS="$OTHER_OBJS pa_linux_alsa/pa_linux_alsa.o"
- cat >> confdefs.h <<\EOF
-#define PA_USE_ALSA 1
-EOF
-
- fi
-
- if [ $have_jack = "yes" ] && [ $with_jack != "no" ] ; then
- LIBS="$LIBS $JACK_LIBS"
- DLL_LIBS="$DLL_LIBS $JACK_LIBS"
- CFLAGS="$CFLAGS $JACK_CFLAGS"
- OTHER_OBJS="$OTHER_OBJS pa_jack/pa_jack.o"
- cat >> confdefs.h <<\EOF
-#define PA_USE_JACK 1
-EOF
-
- fi
-
- if [ $with_oss != "no" ] ; then
- OTHER_OBJS="$OTHER_OBJS pa_unix_oss/pa_unix_oss.o"
- cat >> confdefs.h <<\EOF
-#define PA_USE_OSS 1
-EOF
-
- fi
- LIBS="$LIBS -lm -lpthread";
- PADLL="libportaudio.so";
- SHARED_FLAGS="-shared";
-
- OTHER_OBJS="$OTHER_OBJS pa_unix/pa_unix_hostapis.o pa_unix/pa_unix_util.o"
-esac
-
-trap '' 1 2 15
-cat > confcache <<\EOF
-# This file is a shell script that caches the results of configure
-# tests run on this system so they can be shared between configure
-# scripts and configure runs. It is not useful on other systems.
-# If it contains results you don't want to keep, you may remove or edit it.
-#
-# By default, configure uses ./config.cache as the cache file,
-# creating it if it does not exist already. You can give configure
-# the --cache-file=FILE option to use a different cache file; that is
-# what configure does when it calls configure scripts in
-# subdirectories, so they share the cache.
-# Giving --cache-file=/dev/null disables caching, for debugging configure.
-# config.status only pays attention to the cache file if you give it the
-# --recheck option to rerun configure.
-#
-EOF
-# The following way of writing the cache mishandles newlines in values,
-# but we know of no workaround that is simple, portable, and efficient.
-# So, don't put newlines in cache variables' values.
-# Ultrix sh set writes to stderr and can't be redirected directly,
-# and sets the high bit in the cache file unless we assign to the vars.
-(set) 2>&1 |
- case `(ac_space=' '; set | grep ac_space) 2>&1` in
- *ac_space=\ *)
- # `set' does not quote correctly, so add quotes (double-quote substitution
- # turns \\\\ into \\, and sed turns \\ into \).
- sed -n \
- -e "s/'/'\\\\''/g" \
- -e "s/^\\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\\)=\\(.*\\)/\\1=\${\\1='\\2'}/p"
- ;;
- *)
- # `set' quotes correctly as required by POSIX, so do not add quotes.
- sed -n -e 's/^\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\)=\(.*\)/\1=${\1=\2}/p'
- ;;
- esac >> confcache
-if cmp -s $cache_file confcache; then
- :
-else
- if test -w $cache_file; then
- echo "updating cache $cache_file"
- cat confcache > $cache_file
- else
- echo "not updating unwritable cache $cache_file"
- fi
-fi
-rm -f confcache
-
-trap 'rm -fr conftest* confdefs* core core.* *.core $ac_clean_files; exit 1' 1 2 15
-
-test "x$prefix" = xNONE && prefix=$ac_default_prefix
-# Let make expand exec_prefix.
-test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
-
-# Any assignment to VPATH causes Sun make to only execute
-# the first set of double-colon rules, so remove it if not needed.
-# If there is a colon in the path, we need to keep it.
-if test "x$srcdir" = x.; then
- ac_vpsub='/^[ ]*VPATH[ ]*=[^:]*$/d'
-fi
-
-trap 'rm -f $CONFIG_STATUS conftest*; exit 1' 1 2 15
-
-# Transform confdefs.h into DEFS.
-# Protect against shell expansion while executing Makefile rules.
-# Protect against Makefile macro expansion.
-cat > conftest.defs <<\EOF
-s%#define \([A-Za-z_][A-Za-z0-9_]*\) *\(.*\)%-D\1=\2%g
-s%[ `~#$^&*(){}\\|;'"<>?]%\\&%g
-s%\[%\\&%g
-s%\]%\\&%g
-s%\$%$$%g
-EOF
-DEFS=`sed -f conftest.defs confdefs.h | tr '\012' ' '`
-rm -f conftest.defs
-
-
-# Without the "./", some shells look in PATH for config.status.
-: ${CONFIG_STATUS=./config.status}
-
-echo creating $CONFIG_STATUS
-rm -f $CONFIG_STATUS
-cat > $CONFIG_STATUS <<EOF
-#! /bin/sh
-# Generated automatically by configure.
-# Run this file to recreate the current configuration.
-# This directory was configured as follows,
-# on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
-#
-# $0 $ac_configure_args
-#
-# Compiler output produced by configure, useful for debugging
-# configure, is in ./config.log if it exists.
-
-ac_cs_usage="Usage: $CONFIG_STATUS [--recheck] [--version] [--help]"
-for ac_option
-do
- case "\$ac_option" in
- -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
- echo "running \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion"
- exec \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion ;;
- -version | --version | --versio | --versi | --vers | --ver | --ve | --v)
- echo "$CONFIG_STATUS generated by autoconf version 2.13"
- exit 0 ;;
- -help | --help | --hel | --he | --h)
- echo "\$ac_cs_usage"; exit 0 ;;
- *) echo "\$ac_cs_usage"; exit 1 ;;
- esac
-done
-
-ac_given_srcdir=$srcdir
-ac_given_INSTALL="$INSTALL"
-
-trap 'rm -fr `echo "Makefile" | sed "s/:[^ ]*//g"` conftest*; exit 1' 1 2 15
-EOF
-cat >> $CONFIG_STATUS <<EOF
-
-# Protect against being on the right side of a sed subst in config.status.
-sed 's/%@/@@/; s/@%/@@/; s/%g\$/@g/; /@g\$/s/[\\\\&%]/\\\\&/g;
- s/@@/%@/; s/@@/@%/; s/@g\$/%g/' > conftest.subs <<\\CEOF
-$ac_vpsub
-$extrasub
-s%@SHELL@%$SHELL%g
-s%@CFLAGS@%$CFLAGS%g
-s%@CPPFLAGS@%$CPPFLAGS%g
-s%@CXXFLAGS@%$CXXFLAGS%g
-s%@FFLAGS@%$FFLAGS%g
-s%@DEFS@%$DEFS%g
-s%@LDFLAGS@%$LDFLAGS%g
-s%@LIBS@%$LIBS%g
-s%@exec_prefix@%$exec_prefix%g
-s%@prefix@%$prefix%g
-s%@program_transform_name@%$program_transform_name%g
-s%@bindir@%$bindir%g
-s%@sbindir@%$sbindir%g
-s%@libexecdir@%$libexecdir%g
-s%@datadir@%$datadir%g
-s%@sysconfdir@%$sysconfdir%g
-s%@sharedstatedir@%$sharedstatedir%g
-s%@localstatedir@%$localstatedir%g
-s%@libdir@%$libdir%g
-s%@includedir@%$includedir%g
-s%@oldincludedir@%$oldincludedir%g
-s%@infodir@%$infodir%g
-s%@mandir@%$mandir%g
-s%@CC@%$CC%g
-s%@RANLIB@%$RANLIB%g
-s%@INSTALL_PROGRAM@%$INSTALL_PROGRAM%g
-s%@INSTALL_SCRIPT@%$INSTALL_SCRIPT%g
-s%@INSTALL_DATA@%$INSTALL_DATA%g
-s%@AR@%$AR%g
-s%@OTHER_OBJS@%$OTHER_OBJS%g
-s%@PADLL@%$PADLL%g
-s%@SHARED_FLAGS@%$SHARED_FLAGS%g
-s%@DLL_LIBS@%$DLL_LIBS%g
-s%@NASM@%$NASM%g
-s%@NASMOPT@%$NASMOPT%g
-s%@host@%$host%g
-s%@host_alias@%$host_alias%g
-s%@host_cpu@%$host_cpu%g
-s%@host_vendor@%$host_vendor%g
-s%@host_os@%$host_os%g
-s%@PKG_CONFIG@%$PKG_CONFIG%g
-s%@JACK_CFLAGS@%$JACK_CFLAGS%g
-s%@JACK_LIBS@%$JACK_LIBS%g
-
-CEOF
-EOF
-
-cat >> $CONFIG_STATUS <<\EOF
-
-# Split the substitutions into bite-sized pieces for seds with
-# small command number limits, like on Digital OSF/1 and HP-UX.
-ac_max_sed_cmds=90 # Maximum number of lines to put in a sed script.
-ac_file=1 # Number of current file.
-ac_beg=1 # First line for current file.
-ac_end=$ac_max_sed_cmds # Line after last line for current file.
-ac_more_lines=:
-ac_sed_cmds=""
-while $ac_more_lines; do
- if test $ac_beg -gt 1; then
- sed "1,${ac_beg}d; ${ac_end}q" conftest.subs > conftest.s$ac_file
- else
- sed "${ac_end}q" conftest.subs > conftest.s$ac_file
- fi
- if test ! -s conftest.s$ac_file; then
- ac_more_lines=false
- rm -f conftest.s$ac_file
- else
- if test -z "$ac_sed_cmds"; then
- ac_sed_cmds="sed -f conftest.s$ac_file"
- else
- ac_sed_cmds="$ac_sed_cmds | sed -f conftest.s$ac_file"
- fi
- ac_file=`expr $ac_file + 1`
- ac_beg=$ac_end
- ac_end=`expr $ac_end + $ac_max_sed_cmds`
- fi
-done
-if test -z "$ac_sed_cmds"; then
- ac_sed_cmds=cat
-fi
-EOF
-
-cat >> $CONFIG_STATUS <<EOF
-
-CONFIG_FILES=\${CONFIG_FILES-"Makefile"}
-EOF
-cat >> $CONFIG_STATUS <<\EOF
-for ac_file in .. $CONFIG_FILES; do if test "x$ac_file" != x..; then
- # Support "outfile[:infile[:infile...]]", defaulting infile="outfile.in".
- case "$ac_file" in
- *:*) ac_file_in=`echo "$ac_file"|sed 's%[^:]*:%%'`
- ac_file=`echo "$ac_file"|sed 's%:.*%%'` ;;
- *) ac_file_in="${ac_file}.in" ;;
- esac
-
- # Adjust a relative srcdir, top_srcdir, and INSTALL for subdirectories.
-
- # Remove last slash and all that follows it. Not all systems have dirname.
- ac_dir=`echo $ac_file|sed 's%/[^/][^/]*$%%'`
- if test "$ac_dir" != "$ac_file" && test "$ac_dir" != .; then
- # The file is in a subdirectory.
- test ! -d "$ac_dir" && mkdir "$ac_dir"
- ac_dir_suffix="/`echo $ac_dir|sed 's%^\./%%'`"
- # A "../" for each directory in $ac_dir_suffix.
- ac_dots=`echo $ac_dir_suffix|sed 's%/[^/]*%../%g'`
- else
- ac_dir_suffix= ac_dots=
- fi
-
- case "$ac_given_srcdir" in
- .) srcdir=.
- if test -z "$ac_dots"; then top_srcdir=.
- else top_srcdir=`echo $ac_dots|sed 's%/$%%'`; fi ;;
- /*) srcdir="$ac_given_srcdir$ac_dir_suffix"; top_srcdir="$ac_given_srcdir" ;;
- *) # Relative path.
- srcdir="$ac_dots$ac_given_srcdir$ac_dir_suffix"
- top_srcdir="$ac_dots$ac_given_srcdir" ;;
- esac
-
- case "$ac_given_INSTALL" in
- [/$]*) INSTALL="$ac_given_INSTALL" ;;
- *) INSTALL="$ac_dots$ac_given_INSTALL" ;;
- esac
-
- echo creating "$ac_file"
- rm -f "$ac_file"
- configure_input="Generated automatically from `echo $ac_file_in|sed 's%.*/%%'` by configure."
- case "$ac_file" in
- *Makefile*) ac_comsub="1i\\
-# $configure_input" ;;
- *) ac_comsub= ;;
- esac
-
- ac_file_inputs=`echo $ac_file_in|sed -e "s%^%$ac_given_srcdir/%" -e "s%:% $ac_given_srcdir/%g"`
- sed -e "$ac_comsub
-s%@configure_input@%$configure_input%g
-s%@srcdir@%$srcdir%g
-s%@top_srcdir@%$top_srcdir%g
-s%@INSTALL@%$INSTALL%g
-" $ac_file_inputs | (eval "$ac_sed_cmds") > $ac_file
-fi; done
-rm -f conftest.s*
-
-EOF
-cat >> $CONFIG_STATUS <<EOF
-
-EOF
-cat >> $CONFIG_STATUS <<\EOF
-
-exit 0
-EOF
-chmod +x $CONFIG_STATUS
-rm -fr confdefs* $ac_clean_files
-test "$no_create" = yes || ${CONFIG_SHELL-/bin/sh} $CONFIG_STATUS || exit 1
-
diff --git a/src/audio/portaudio/configure.in b/src/audio/portaudio/configure.in
deleted file mode 100644
index 00f0e48dc1..0000000000
--- a/src/audio/portaudio/configure.in
+++ /dev/null
@@ -1,246 +0,0 @@
-dnl
-dnl portaudio V19 configure.in script
-dnl
-dnl Dominic Mazzoni
-dnl
-
-dnl Require autoconf >= 2.13
-AC_PREREQ(2.13)
-
-dnl Init autoconf and make sure configure is being called
-dnl from the right directory
-AC_INIT([pa_common/portaudio.h])
-
-dnl Checks for programs.
-AC_PROG_CC
-AC_PROG_RANLIB
-AC_PROG_INSTALL
-AC_PATH_PROG(AR, ar, no)
-if [[ $AR = "no" ]] ; then
- AC_MSG_ERROR("Could not find ar - needed to create a library");
-fi
-
-dnl This must be one of the first tests we do or it will fail...
-AC_C_BIGENDIAN
-
-dnl extra variables
-AC_SUBST(OTHER_OBJS)
-AC_SUBST(PADLL)
-AC_SUBST(SHARED_FLAGS)
-AC_SUBST(DLL_LIBS)
-AC_SUBST(CXXFLAGS)
-AC_SUBST(NASM)
-AC_SUBST(NASMOPT)
-
-dnl checks for various host APIs and arguments to configure that
-dnl turn them on or off
-
-AC_CHECK_LIB(asound, snd_pcm_open, have_alsa=yes, have_alsa=no)
-
-dnl Determine the host description for the subsequent test.
-dnl PKG_CHECK_MODULES seems to check and set the host variable also, but
-dnl that then requires pkg-config availability which is not standard on
-dnl MinGW systems and can be a pain to install.
-AC_CANONICAL_HOST
-
-PKG_CHECK_MODULES(JACK, jack, have_jack=yes, have_jack=no)
-
-AC_ARG_WITH(alsa,
- [ --with-alsa (default=auto)],
- with_alsa=$withval, with_alsa="yes")
-
-AC_ARG_WITH(jack,
- [ --with-jack (default=auto)],
- with_jack=$withval, with_jack="yes")
-
-AC_ARG_WITH(oss,
- [ --with-oss (default=yes)],
- with_oss=$withval, with_oss="yes")
-
-AC_ARG_WITH(host_os,
- [ --with-host_os (no default)],
- host_os=$withval)
-
-AC_ARG_WITH(winapi,
- [ --with-winapi ((wmme/directx/asio) default=wmme)],
- with_winapi=$withval, with_winapi="wmme")
-
-dnl Mac API added for ASIO, can have other api's listed
-AC_ARG_WITH(macapi,
- [ --with-macapi ((asio/core/sm) default=core)],
- with_macapi=$withval, with_macapi="core")
-
-AC_ARG_WITH(asiodir,
- [ --with-asiodir (default=/usr/local/asiosdk2)],
- with_asiodir=$withval, with_asiodir="/usr/local/asiosdk2")
-
-AC_ARG_WITH(dxdir,
- [ --with-dxdir (default=/usr/local/dx7sdk)],
- with_dxdir=$withval, with_dxdir="/usr/local/dx7sdk")
-
-CFLAGS="-g -O2 -Wall"
-
-if [[ $ac_cv_c_bigendian = "yes" ]] ; then
- CFLAGS="$CFLAGS -DPA_BIG_ENDIAN"
-else
- CFLAGS="$CFLAGS -DPA_LITTLE_ENDIAN"
-fi
-
-dnl sizeof checks: we will need a 16-bit and a 32-bit type
-
-AC_CHECK_SIZEOF(short)
-AC_CHECK_SIZEOF(int)
-AC_CHECK_SIZEOF(long)
-
-case "${host_os}" in
- darwin* )
- dnl Mac OS X configuration
-
- AC_DEFINE(PA_USE_COREAUDIO)
- OTHER_OBJS="pa_mac/pa_mac_hostapis.o pa_unix/pa_unix_util.o pa_mac_core/pa_mac_core.o";
- LIBS="-framework CoreAudio -framework AudioToolbox";
- PADLL="libportaudio.dylib";
- SHARED_FLAGS="-framework CoreAudio -framework AudioToolbox -dynamiclib";
- if [[ $with_macapi = "asio" ]] ; then
- if [[ $with_asiodir ]] ; then
- ASIODIR="$with_asiodir";
- else
- ASIODIR="/usr/local/asiosdk2";
- fi
- echo "ASIODIR: $ASIODIR";
-
- OTHER_OBJS="$CFLAGS pa_asio/iasiothiscallresolver.o $ASIODIR/host/asiodrivers.o $ASIODIR/common/asio.o $ASIODIR/host/mac/asioshlib.o";
- CFLAGS="$CFLAGS -Ipa_asio -I$ASIDIR/host/mac -I$ASIODIR/common";
- CXXFLAGS="$CFLAGS";
- fi
- ;;
-
- mingw* )
- dnl MingW configuration
-
- echo "WINAPI: $with_winapi"
- if [[ $with_winapi = "directx" ]] ; then
- if [[ $with_dxdir ]] ; then
- DXDIR="$with_dxdir";
- else
- DXDIR="/usr/local/dx7sdk";
- fi
- echo "DXDIR: $DXDIR"
- OTHER_OBJS="pa_win_ds/pa_win_ds.o pa_win_ds/dsound_wrapper.o pa_win/pa_win_hostapis.o pa_win/pa_win_util.o";
- LIBS="-lwinmm -lm -ldsound -lole32";
- PADLL="portaudio.dll";
- SHARED_FLAGS="-shared -mthreads";
- DLL_LIBS="-lwinmm -lm -L./dx7sdk/lib -ldsound -lole32";
- #VC98="\"/c/Program Files/Microsoft Visual Studio/VC98/Include\"";
- #CFLAGS="$CFLAGS -I$VC98 -DPA_NO_WMME -DPA_NO_ASIO";
- CFLAGS="$CFLAGS -Ipa_common -I$DXDIR/include -DPA_NO_WMME -DPA_NO_ASIO" -DPA_NO_WDMKS;
- elif [[ $with_winapi = "asio" ]] ; then
- if [[ $with_asiodir ]] ; then
- ASIODIR="$with_asiodir";
- else
- ASIODIR="/usr/local/asiosdk2";
- fi
- echo "ASIODIR: $ASIODIR"
-
- OTHER_OBJS="pa_asio/pa_asio.o pa_win/pa_win_hostapis.o pa_win/pa_win_util.o pa_asio/iasiothiscallresolver.o $ASIODIR/common/asio.o $ASIODIR/host/asiodrivers.o $ASIODIR/host/pc/asiolist.o";
- LIBS="-lwinmm -lm -lstdc++ -lole32 -luuid";
- PADLL="portaudio.dll";
- SHARED_FLAGS="-shared -mthreads";
- DLL_LIBS="-lwinmm -lm -lstdc++ -lole32 -luuid";
- CFLAGS="$CFLAGS -ffast-math -fomit-frame-pointer -Ipa_common -Ipa_asio -I$ASIODIR/host/pc -I$ASIODIR/common -I$ASIODIR/host -DPA_NO_WMME -DPA_NO_DS -DPA_NO_WDMKS -DWINDOWS";
- CXXFLAGS="$CFLAGS";
- elif [[ $with_winapi = "wdmks" ]] ; then
- if [[ $with_dxdir ]] ; then
- DXDIR="$with_dxdir";
- else
- DXDIR="/usr/local/dx7sdk";
- fi
- echo "DXDIR: $DXDIR"
- OTHER_OBJS="pa_win_wdmks/pa_win_wdmks.o pa_win/pa_win_hostapis.o pa_win/pa_win_util.o";
- LIBS="-lwinmm -lm -luuid -lsetupapi -lole32";
- PADLL="portaudio.dll";
- SHARED_FLAGS="-shared -mthreads";
- DLL_LIBS="-lwinmm -lm -L./dx7sdk/lib -luuid -lsetupapi -lole32";
- #VC98="\"/c/Program Files/Microsoft Visual Studio/VC98/Include\"";
- #CFLAGS="$CFLAGS -I$VC98 -DPA_NO_WMME -DPA_NO_ASIO";
- CFLAGS="$CFLAGS -Ipa_common -I$DXDIR/include -DPA_NO_WMME -DPA_NO_DS -DPA_NO_ASIO";
- else # WMME default
- OTHER_OBJS="pa_win_wmme/pa_win_wmme.o pa_win/pa_win_hostapis.o pa_win/pa_win_util.o";
- LIBS="-lwinmm -lm -lstdc++ -lole32 -luuid";
- PADLL="portaudio.dll";
- SHARED_FLAGS="-shared -mthreads";
- DLL_LIBS="-lwinmm";
- CFLAGS="$CFLAGS -Ipa_common -DPA_NO_DS -DPA_NO_ASIO -DPA_NO_WDMKS";
- fi
- ;;
-
- cygwin* )
- dnl Cygwin configuration
-
- OTHER_OBJS="pa_win_wmme/pa_win_wmme.o";
- LIBS="-lwinmm -lm";
- PADLL="portaudio.dll";
- SHARED_FLAGS="-shared -mthreads";
- DLL_LIBS="-lwinmm";
- ;;
-
- irix* )
- dnl SGI IRIX audio library (AL) configuration (Pieter, oct 2-13, 2003).
- dnl The 'dmedia' library is needed to read the Unadjusted System Time (UST).
- dnl
- AC_CHECK_LIB(pthread, pthread_create, , AC_MSG_ERROR([IRIX posix thread library not found!]))
- AC_CHECK_LIB(audio, alOpenPort, , AC_MSG_ERROR([IRIX audio library not found!]))
- AC_CHECK_LIB(dmedia, dmGetUST, , AC_MSG_ERROR([IRIX digital media library not found!]))
-
- dnl See the '#ifdef PA_USE_SGI' in file pa_unix/pa_unix_hostapis.c
- dnl which selects the appropriate PaXXX_Initialize() function.
- dnl
- AC_DEFINE(PA_USE_SGI)
-
- dnl The _REENTRANT option for pthread safety. Perhaps not necessary but it 'll do no harm.
- dnl
- CFLAGS="$CFLAGS -D_REENTRANT"
-
- OTHER_OBJS="pa_sgi/pa_sgi.o pa_unix/pa_unix_hostapis.o pa_unix/pa_unix_util.o";
-
- dnl SGI books say -lpthread should be the last of the libs mentioned.
- dnl
- LIBS="-lm -ldmedia -laudio -lpthread";
- PADLL="libportaudio.so";
- SHARED_FLAGS="-shared";
- ;;
-
- *)
- dnl Unix configuration
-
- AC_CHECK_LIB(pthread, pthread_create,
- ,
- AC_MSG_ERROR([libpthread not found!]))
-
- if [[ $have_alsa = "yes" ] && [ $with_alsa != "no" ]] ; then
- LIBS="$LIBS -lasound"
- DLL_LIBS="$DLL_LIBS -lasound"
- OTHER_OBJS="$OTHER_OBJS pa_linux_alsa/pa_linux_alsa.o"
- AC_DEFINE(PA_USE_ALSA)
- fi
-
- if [[ $have_jack = "yes" ] && [ $with_jack != "no" ]] ; then
- LIBS="$LIBS $JACK_LIBS"
- DLL_LIBS="$DLL_LIBS $JACK_LIBS"
- CFLAGS="$CFLAGS $JACK_CFLAGS"
- OTHER_OBJS="$OTHER_OBJS pa_jack/pa_jack.o"
- AC_DEFINE(PA_USE_JACK)
- fi
-
- if [[ $with_oss != "no" ]] ; then
- OTHER_OBJS="$OTHER_OBJS pa_unix_oss/pa_unix_oss.o"
- AC_DEFINE(PA_USE_OSS)
- fi
- LIBS="$LIBS -lm -lpthread";
- PADLL="libportaudio.so";
- SHARED_FLAGS="-shared";
-
- OTHER_OBJS="$OTHER_OBJS pa_unix/pa_unix_hostapis.o pa_unix/pa_unix_util.o"
-esac
-
-AC_OUTPUT([Makefile])
diff --git a/src/audio/portaudio/docs/index.html b/src/audio/portaudio/docs/index.html
deleted file mode 100644
index 7d9b248d30..0000000000
--- a/src/audio/portaudio/docs/index.html
+++ /dev/null
@@ -1,60 +0,0 @@
-<!doctype html public "-//w3c//dtd html 4.0 transitional//en">
-<html>
-<head>
- <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
- <meta name="GENERATOR" content="Mozilla/4.79 [en] (Windows NT 5.0; U) [Netscape]">
- <meta name="Author" content="Phil Burk">
- <meta name="Description" content="PortAudio Docs, a cross platform, open-source, audio I/O library.It provides a very simple API for recording and/or playing sound using a simple callback function.">
- <meta name="KeyWords" content="audio, tutorial, library, portable, open-source, DirectSound,sound, music, JSyn, synthesis,">
- <title>PortAudio Docs</title>
-</head>
-<body>
-
-<center><table COLS=1 WIDTH="100%" BGCOLOR="#FADA7A" >
-<tr>
-<td>
-<center>
-<h1>
-PortAudio Documentation</h1></center>
-</td>
-</tr>
-</table></center>
-
-<p>Copyright 2000 Phil Burk and Ross Bencina
-<br>
-<h3>
-<a href="portaudio_h.txt">API Reference</a></h3>
-
-<blockquote>The Application Programmer Interface is documented in "portaudio.h".</blockquote>
-
-<h3>
-<a href="pa_tutorial.html">Tutorial</a></h3>
-
-<blockquote>Describes how to write audio programs using the PortAudio API.</blockquote>
-
-<h3>
-<a href="pa_impl_guide.html">Implementation Guide</a></h3>
-
-<blockquote>Describes how to write an implementation of PortAudio for a
-new computer platform.</blockquote>
-
-<h3>
-<a href="portaudio_icmc2001.pdf">Paper Presented at ICMC2001</a> (PDF)</h3>
-
-<blockquote>Describes the PortAudio API and discusses implementation issues.
-Written July 2001.</blockquote>
-
-<h3>
-<a href="latency.html">Improving Latency</a></h3>
-
-<blockquote>How to tune your computer to achieve the lowest possible audio
-delay.</blockquote>
-
-<h3>
-<a href="proposals.html">Proposed Changes</a></h3>
-
-<blockquote>Describes API changes being considered by the developer community.
-Feedback welcome.</blockquote>
-<a href="http://www.portaudio.com/">Return to PortAudio Home Page</a>
-</body>
-</html>
diff --git a/src/audio/portaudio/docs/latency.html b/src/audio/portaudio/docs/latency.html
deleted file mode 100644
index 87f1d1222b..0000000000
--- a/src/audio/portaudio/docs/latency.html
+++ /dev/null
@@ -1,192 +0,0 @@
-<!doctype html public "-//w3c//dtd html 4.0 transitional//en">
-<html>
-<head>
- <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
- <meta name="GENERATOR" content="Mozilla/4.79 [en] (Windows NT 5.0; U) [Netscape]">
- <meta name="Author" content="Phil Burk">
- <meta name="Description" content="Internal docs. How a stream is started or stopped.">
- <meta name="KeyWords" content="audio, tutorial, library, portable, open-source, DirectSound,sound, music, JSyn, synthesis,">
- <title>PortAudio Implementation - Start/Stop</title>
-</head>
-<body>
-
-<center><table COLS=1 WIDTH="100%" BGCOLOR="#FADA7A" >
-<tr>
-<td>
-<center>
-<h1>
-<a href="http://www.portaudio.com">PortAudio</a> Latency</h1></center>
-</td>
-</tr>
-</table></center>
-
-<p>This page discusses the issues of audio latency for <a href="http://www.portaudio.com">PortAudio</a>
-. It offers suggestions on how to lower latency to improve the responsiveness
-of applications.
-<blockquote><b><a href="#what">What is Latency?</a></b>
-<br><b><a href="#portaudio">PortAudio and Latency</a></b>
-<br><b><a href="#macintosh">Macintosh</a></b>
-<br><b><a href="#unix">Unix</a></b>
-<br><b><a href="#windows">WIndows</a></b></blockquote>
-By Phil Burk, Copyright 2002 Phil Burk and Ross Bencina
-<h2>
-<a NAME="what"></a>What is Latency?</h2>
-Latency is basically longest time that you have to wait before you obtain
-a desired result. For digital audio output it is the time between making
-a sound in software and finally hearing it.
-<p>Consider the example of pressing a key on the ASCII keyboard to play
-a note. There are several stages in this process which each contribute
-their own latency. First the operating system must respond to the keypress.
-Then the audio signal generated must work its way through the PortAudio
-buffers. Then it must work its way through the audio card hardware. Then
-it must go through the audio amplifier which is very quick and then travel
-through the air. Sound travels at abous one foot per millisecond through
-air so placing speakers across the room can add 5-20 msec of delay.
-<p>The reverse process occurs when recording or responding to audio input.
-If you are processing audio, for example if you implement a software guitar
-fuzz box, then you have both the audio input and audio output latencies
-added together.
-<p>The audio buffers are used to prevent glitches in the audio stream.
-The user software writes audio into the output buffers. That audio is read
-by the low level audio driver or by DMA and sent to the DAC. If the computer
-gets busy doing something like reading the disk or redrawing the screen,
-then it may not have time to fill the audio buffer. The audio hardware
-then runs out of audio data, which causes a glitch. By using a large enough
-buffer we can ensure that there is always enough audio data for the audio
-hardware to play. But if the buffer is too large then the latency is high
-and the system feels sluggish. If you play notes on the keyboard then the
-"instrument" will feel unresponsive. So you want the buffers to be as small
-as possible without glitching.
-<h2>
-<a NAME="portaudio"></a>PortAudio and Latency</h2>
-The only delay that PortAudio can control is the total length of its buffers.
-The Pa_OpenStream() call takes two parameters: numBuffers and framesPerBuffer.
-The latency is also affected by the sample rate which we will call framesPerSecond.
-A frame is a set of samples that occur simultaneously. For a stereo stream,
-a frame is two samples.
-<p>The latency in milliseconds due to this buffering is:
-<blockquote><tt>latency_msec = 1000 * numBuffers * framesPerBuffer / framesPerSecond</tt></blockquote>
-This is not the total latency, as we have seen, but it is the part we can
-control.
-<p>If you call Pa_OpenStream() with numBuffers equal to zero, then PortAudio
-will select a conservative number that will prevent audio glitches. If
-you still get glitches, then you can pass a larger value for numBuffers
-until the glitching stops. if you try to pass a numBuffers value that is
-too small, then PortAudio will use its own idea of the minimum value.
-<p>PortAudio decides on the minimum number of buffers in a conservative
-way based on the frameRate, operating system and other variables. You can
-query the value that PortAudio will use by calling:
-<blockquote><tt>int Pa_GetMinNumBuffers( int framesPerBuffer, double sampleRate
-);</tt></blockquote>
-On some systems you can override the PortAudio minimum if you know your
-system can handle a lower value. You do this by setting an environment
-variable called PA_MIN_LATENCY_MSEC which is read by PortAudio when it
-starts up. This is supported on the PortAudio implementations for Windows
-MME, Windows DirectSound, and Unix OSS.
-<h2>
-<a NAME="macintosh"></a>Macintosh</h2>
-The best thing you can do to improve latency on Mac OS 8 and 9 is to turn
-off Virtual Memory. PortAudio V18 will detect that Virtual Memory is turned
-off and use a very low latency.
-<p>For Mac OS X the latency is very low because Apple Core Audio is so
-well written. You can set the PA_MIN_LATENCY_MSEC variable using:
-<blockquote><tt>setenv PA_MIN_LATENCY_MSEC 4</tt></blockquote>
-
-<h2>
-<a NAME="unix"></a>Unix</h2>
-PortAudio under Unix currently uses a backgroud thread that reads and writes
-to OSS. This gives you decent but not great latency. But if you raise the
-priority of the background thread to a very priority then you can get under
-10 milliseconds latency. In order to raise your priority you must run the
-PortAudio program as root! You must also set PA_MIN_LATENCY_MSEC using
-the appropriate command for your shell.
-<h2>
-<a NAME="windows"></a>Windows</h2>
-Latency under Windows is a complex issue because of all the alternative
-operating system versions and device drivers. I have seen latency range
-from 8 milliseconds to 400 milliseconds. The worst case is when using Windows
-NT. Windows 98 is a little better, and Windows XP can be quite good if
-properly tuned.
-<p>The underlying audio API also makes a lot of difference. If the audio
-device has its own DirectSound driver then DirectSound can often provide
-better latency than WMME. But if a real DirectSound driver is not available
-for your device then it is emulated using WMME and the latency can be very
-high. That's where I saw the 400 millisecond latency. The ASIO implementation
-is generally very good and will give the lowest latency if available.
-<p>You can set the PA_MIN_LATENCY_MSEC variable to 50, for example, by
-entering in MS-DOS:
-<blockquote><tt>set PA_MIN_LATENCY_MSEC=50</tt></blockquote>
-If you enter this in a DOS window then you must run the PortAudio program
-from that same window for the variable to have an effect. You can add that
-line to your C:\AUTOEXEC.BAT file and reboot if you want it to affect any
-PortAudio based program.
-<p>For Windows XP, you can set environment variables as follows:
-<ol>
-<li>
-Select "Control Panel" from the "Start Menu".</li>
-
-<li>
-Launch the "System" Control Panel</li>
-
-<li>
-Click on the "Advanced" tab.</li>
-
-<li>
-Click on the "Environment Variables" button.</li>
-
-<li>
-Click "New" button under User Variables.</li>
-
-<li>
-Enter PA_MIN_LATENCY_MSEC for the name and some optimistic number for the
-value.</li>
-
-<li>
-Click OK, OK, OK.</li>
-</ol>
-
-<h3>
-Improving Latency on Windows</h3>
-There are several steps you can take to improve latency under windows.
-<ol>
-<li>
-Avoid reading or writng to disk when doing audio.</li>
-
-<li>
-Turn off all automated background tasks such as email clients, virus scanners,
-backup programs, FTP servers, web servers, etc. when doing audio.</li>
-
-<li>
-Disconnect from the network to prevent network traffic from interrupting
-your CPU.</li>
-</ol>
-<b>Important: </b>Windows XP users can also tune the OS to favor background
-tasks, such as audio, over foreground tasks, such as word processing. I
-lowered my latency from 40 to 10 milliseconds using this simple technique.
-<ol>
-<li>
-Select "Control Panel" from the "Start Menu".</li>
-
-<li>
-Launch the "System" Control Panel</li>
-
-<li>
-Click on the "Advanced" tab.</li>
-
-<li>
-Click on the "Settings" button in the Performance area.</li>
-
-<li>
-Click on the "Advanced" tab.</li>
-
-<li>
-Select "Background services" in the Processor Scheduling area.</li>
-
-<li>
-Click OK, OK.</li>
-</ol>
-Please let us know if you have others sugestions for lowering latency.
-<br>
-<br>
-</body>
-</html>
diff --git a/src/audio/portaudio/docs/pa_impl_guide.html b/src/audio/portaudio/docs/pa_impl_guide.html
deleted file mode 100644
index 50abc30454..0000000000
--- a/src/audio/portaudio/docs/pa_impl_guide.html
+++ /dev/null
@@ -1,197 +0,0 @@
-<!doctype html public "-//w3c//dtd html 4.0 transitional//en">
-<html>
-<head>
- <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
- <meta name="GENERATOR" content="Mozilla/4.79 [en] (Windows NT 5.0; U) [Netscape]">
- <meta name="Author" content="Phil Burk">
- <meta name="Description" content="Internal docs. How a stream is started or stopped.">
- <meta name="KeyWords" content="audio, tutorial, library, portable, open-source, DirectSound,sound, music, JSyn, synthesis,">
- <title>PortAudio Implementation - Start/Stop</title>
-</head>
-<body>
-
-<center><table COLS=1 WIDTH="100%" BGCOLOR="#FADA7A" >
-<tr>
-<td>
-<center>
-<h1>
-<a href="http://www.portaudio.com">PortAudio</a> Implementation Guide</h1></center>
-</td>
-</tr>
-</table></center>
-
-<p>This document describes how to implement the PortAudio API on a new
-computer platform. Implementing PortAudio on a new platform, makes it possible
-to port many existing audio applications to that platform.
-<p>By Phil Burk
-<br>Copyright 2000 Phil Burk and Ross Bencina
-<p>Note that the license says: <b>"Any person wishing to distribute modifications
-to the Software is requested to send the modifications to the original
-developer so that they can be incorporated into the canonical version."</b>.
-So when you have finished a new implementation, please send it back to
-us at "<a href="http://www.portaudio.com">http://www.portaudio.com</a>"
-so that we can make it available for other users. Thank you!
-<h2>
-Download the Latest PortAudio Implementation</h2>
-Always start with the latest implementation available at "<a href="http://www.portaudio.com">http://www.portaudio.com</a>".
-Look for the nightly snapshot under the CVS section.
-<h2>
-Select an Existing Implementation as a Basis</h2>
-The fastest way to get started is to take an existing implementation and
-translate it for your new platform. Choose an implementation whose architecture
-is as close as possible to your target.
-<ul>
-<li>
-DirectSound Implementation - pa_win_ds - Uses a timer callback for the
-background "thread". Polls a circular buffer and writes blocks of data
-to keep it full.</li>
-
-<li>
-Windows MME - pa_win_wmme - Spawns an actual Win32 thread. Writes blocks
-of data to the HW device and waits for events that signal buffer completion.</li>
-
-<li>
-Linux OSS - pa_linux - Spawns a real thread that writes to the "/dev/dsp"
-stream using blocking I/O calls.</li>
-</ul>
-When you write a new implementation, you will be using some code that is
-in common with all implementations. This code is in the folder "pa_common".
-It provides various functions such as parameter checking, error code to
-text conversion, sample format conversion, clipping and dithering, etc.
-<p>The code that you write will go into a separate folder called "pa_{os}_{api}".
-For example, code specific to the DirectSound interface for Windows goes
-in "pa_win_ds".
-<h2>
-Read Docs and Code</h2>
-Famialiarize yourself with the system by reading the documentation provided.
-here is a suggested order:
-<ol>
-<li>
-User Programming <a href="pa_tutorial.html">Tutorial</a></li>
-
-<li>
-Header file "pa_common/portaudio.h" which defines API.</li>
-
-<li>
-Header file "pa_common/pa_host.h" for host dependant code. This definces
-the routine you will need to provide.</li>
-
-<li>
-Shared code in "pa_common/pa_lib.c".</li>
-
-<li>
-Docs on Implementation of <a href="pa_impl_startstop.html">Start/Stop</a>
-code.</li>
-</ol>
-
-<h2>
-Implement Output to Default Device</h2>
-Now we are ready to crank some code. For instant gratification, let's try
-to play a sine wave.
-<ol>
-<li>
-Link the test program "pa_tests/patest_sine.c" with the file "pa_lib.c"
-and the implementation specific file you are creating.</li>
-
-<li>
-For now, just stub out the device query code and the audio input code.</li>
-
-<li>
-Modify PaHost_OpenStream() to open your default target device and get everything
-setup.</li>
-
-<li>
-Modify PaHost_StartOutput() to start playing audio.</li>
-
-<li>
-Modify PaHost_StopOutput() to stop audio.</li>
-
-<li>
-Modify PaHost_CloseStream() to clean up. Free all memory that you allocated
-in PaHost_OpenStream().</li>
-
-<li>
-Keep cranking until you can play a sine wave using "patest_sine.c".</li>
-
-<li>
-Once that works, try "patest_pink.c", "patest_clip.c", "patest_sine8.c".</li>
-
-<li>
-To test your Open and Close code, try "patest_many.c".</li>
-
-<li>
-Now test to make sure that the three modes of stopping are properly supported
-by running "patest_stop.c".</li>
-
-<li>
-Test your implementation of time stamping with "patest_sync.c".</li>
-</ol>
-
-<h2>
-Implement Device Queries</h2>
-Now that output is working, lets implement the code for querying what devices
-are available to the user. Run "pa_tests/pa_devs.c". It should print all
-of the devices available and their characteristics.
-<h2>
-Implement Input</h2>
-Implement audio input and test it with:
-<ol>
-<li>
-patest_record.c - record in half duplex, play back as recorded.</li>
-
-<li>
-patest_wire.c - full duplex, copies input to output. Note that some HW
-may not support full duplex.</li>
-
-<li>
-patest_fuzz.c - plug in your guitar and get a feel for why latency is an
-important issue in computer music.</li>
-
-<li>
-paqa_devs.c - try to open every device and use it with every possible format</li>
-</ol>
-
-<h2>
-Debugging Tools</h2>
-You generally cannot use printf() calls to debug real-time processes because
-they disturb the timing. Also calling printf() from your background thread
-or interrupt could crash the machine. So PA includes a tool for capturing
-events and storing the information while it is running. It then prints
-the events when Pa_Terminate() is called.
-<ol>
-<li>
-To enable trace mode, change TRACE_REALTIME_EVENTS in "pa_common/pa_trace.h"
-from a (0) to a (1).</li>
-
-<li>
-Link with "pa_common/pa_trace.c".</li>
-
-<li>
-Add trace messages to your code by calling:</li>
-
-<br><tt> void AddTraceMessage( char *msg, int data );</tt>
-<br><tt>for example</tt>
-<br><tt> AddTraceMessage("Pa_TimeSlice: past_NumCallbacks ",
-past->past_NumCallbacks );</tt>
-<li>
-Run your program. You will get a dump of events at the end.</li>
-
-<li>
-You can leave the trace messages in your code. They will turn to NOOPs
-when you change TRACE_REALTIME_EVENTS back to (0).</li>
-</ol>
-
-<h2>
-Delivery</h2>
-Please send your new code along with notes on the implementation back to
-us at "<a href="http://www.portaudio.com">http://www.portaudio.com</a>".
-We will review the implementation and post it with your name. If you had
-to make any modifications to the code in "pa_common" or "pa_tests" <b>please</b>
-send us those modifications and your notes. We will try to merge your changes
-so that the "pa_common" code works with <b>all</b> implementations.
-<p>If you have suggestions for how to make future implementations easier,
-please let us know.
-<br>THANKS!
-<br>
-</body>
-</html>
diff --git a/src/audio/portaudio/docs/pa_impl_startstop.html b/src/audio/portaudio/docs/pa_impl_startstop.html
deleted file mode 100644
index 0f2d0ce516..0000000000
--- a/src/audio/portaudio/docs/pa_impl_startstop.html
+++ /dev/null
@@ -1,190 +0,0 @@
-<!doctype html public "-//w3c//dtd html 4.0 transitional//en">
-<html>
-<head>
- <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
- <meta name="GENERATOR" content="Mozilla/4.75 [en]C-gatewaynet (Win98; U) [Netscape]">
- <meta name="Author" content="Phil Burk">
- <meta name="Description" content="Internal docs. How a stream is started or stopped.">
- <meta name="KeyWords" content="audio, tutorial, library, portable, open-source, DirectSound,sound, music, JSyn, synthesis,">
- <title>PortAudio Implementation - Start/Stop</title>
-</head>
-<body>
-
-<center><table COLS=1 WIDTH="100%" BGCOLOR="#FADA7A" >
-<tr>
-<td>
-<center>
-<h1>
-PortAudio Implementation</h1></center>
-</td>
-</tr>
-</table></center>
-
-<h2>
-Starting and Stopping Streams</h2>
-PortAudio is generally executed in two "threads". The foreground thread
-is the application thread. The background "thread" may be implemented as
-an actual thread, an interrupt handler, or a callback from a timer thread.
-<p>There are three ways that PortAudio can stop a stream. In each case
-we look at the sequence of events and the messages sent between the two
-threads. The following variables are contained in the internalPortAudioStream.
-<blockquote><tt>int past_IsActive;
-/* Background is still playing. */</tt>
-<br><tt>int past_StopSoon; /* Stop
-when last buffer done. */</tt>
-<br><tt>int past_StopNow; /*
-Stop IMMEDIATELY. */</tt></blockquote>
-
-<h3>
-Pa_AbortStream()</h3>
-This function causes the background thread to terminate as soon as possible
-and audio I/O to stop abruptly.
-<br>
-<table BORDER COLS=2 WIDTH="60%" >
-<tr>
-<td><b>Foreground Thread</b></td>
-
-<td><b>Background Thread</b></td>
-</tr>
-
-<tr>
-<td>sets <tt>StopNow</tt></td>
-
-<td></td>
-</tr>
-
-<tr>
-<td></td>
-
-<td>sees <tt>StopNow</tt>, </td>
-</tr>
-
-<tr>
-<td></td>
-
-<td>clears IsActive, stops thread</td>
-</tr>
-
-<tr>
-<td>waits for thread to exit</td>
-
-<td></td>
-</tr>
-
-<tr>
-<td>turns off audio I/O</td>
-
-<td></td>
-</tr>
-</table>
-
-<h3>
-Pa_StopStream()</h3>
-This function stops the user callback function from being called and then
-waits for all audio data written to the output buffer to be played. In
-a system with very low latency, you may not hear any difference between
-<br>
-<table BORDER COLS=2 WIDTH="60%" >
-<tr>
-<td><b>Foreground Thread</b></td>
-
-<td><b>Background Thread</b></td>
-</tr>
-
-<tr>
-<td>sets StopSoon</td>
-
-<td></td>
-</tr>
-
-<tr>
-<td></td>
-
-<td>stops calling user callback</td>
-</tr>
-
-<tr>
-<td></td>
-
-<td>continues until output buffer empty</td>
-</tr>
-
-<tr>
-<td></td>
-
-<td>clears IsActive, stops thread</td>
-</tr>
-
-<tr>
-<td>waits for thread to exit</td>
-
-<td></td>
-</tr>
-
-<tr>
-<td>turns off audio I/O</td>
-
-<td></td>
-</tr>
-</table>
-
-<h3>
-User callback returns one.</h3>
-If the user callback returns one then the user callback function will no
-longer be called. Audio output will continue until all audio data written
-to the output buffer has been played. Then the audio I/O is stopped, the
-background thread terminates, and the stream becomes inactive.
-<br>
-<table BORDER COLS=2 WIDTH="60%" >
-<tr>
-<td><b>Foreground Thread</b></td>
-
-<td><b>Background Thread</b></td>
-</tr>
-
-<tr>
-<td></td>
-
-<td>callback returns 1</td>
-</tr>
-
-<tr>
-<td></td>
-
-<td>sets StopSoon</td>
-</tr>
-
-<tr>
-<td></td>
-
-<td>stops calling user callback</td>
-</tr>
-
-<tr>
-<td></td>
-
-<td>continues until output buffer empty</td>
-</tr>
-
-<tr>
-<td></td>
-
-<td>clears IsActive, stops thread</td>
-</tr>
-
-<tr>
-<td>waits for thread to exit</td>
-
-<td></td>
-</tr>
-
-<tr>
-<td>turns off audio I/O</td>
-
-<td></td>
-</tr>
-</table>
-
-<br>
-</body>
-</html>
diff --git a/src/audio/portaudio/docs/pa_tut_asio.html b/src/audio/portaudio/docs/pa_tut_asio.html
deleted file mode 100644
index 1c3e5bfa46..0000000000
--- a/src/audio/portaudio/docs/pa_tut_asio.html
+++ /dev/null
@@ -1,55 +0,0 @@
-<!doctype html public "-//w3c//dtd html 4.0 transitional//en">
-<html>
-<head>
- <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
- <meta name="GENERATOR" content="Mozilla/4.77 [en]C-gatewaynet (Win98; U) [Netscape]">
- <meta name="Author" content="Phil Burk">
- <meta name="Description" content="Tutorial for PortAudio, a cross platform, open-source, audio I/O library.It provides a very simple API for recording and/or playing sound using a simple callback function.">
- <meta name="KeyWords" content="audio, tutorial, library, portable, open-source, DirectSound,sound, music, JSyn, synthesis,">
- <title>PortAudio Tutorial</title>
-</head>
-<body>
-
-<center><table COLS=1 WIDTH="100%" BGCOLOR="#FADA7A" >
-<tr>
-<td>
-<center>
-<h1>
-PortAudio Tutorial</h1></center>
-</td>
-</tr>
-</table></center>
-
-<h2>
-Compiling for ASIO (Windows or Macintosh)</h2>
-
-<blockquote>ASIO is a low latency audio API from Steinberg. To compile
-an ASIO application, you must first <a href="http://www.steinberg.net/developers/ASIO2SDKAbout.phtml">download
-the ASIO SDK</a> from Steinberg. You also need to obtain ASIO drivers for
-your audio device.
-<p>Note: I am using '/' as a file separator below. On Macintosh replace
-'/' with ':'. On Windows, replace '/' with '\'.
-<p> To use ASIO with the PortAudio library add the following source
-files to your project:
-<blockquote>
-<pre>pa_asio/pa_asio.cpp</pre>
-</blockquote>
-and also these files from the ASIO SDK:
-<blockquote>
-<pre>common/asio.cpp
-host/asiodrivers.cpp
-host/asiolist.cpp</pre>
-</blockquote>
-and add these directories to the path for include files
-<blockquote>
-<pre>asiosdk2/host/pc (for Windows)
-asiosdk2/common
-asiosdk2/host</pre>
-</blockquote>
-You may try compiling the "pa_tests/patest_saw.c" file first because it
-is the simplest.</blockquote>
-<font size=+2><a href="http://www.portaudio.com/">home</a> |
-<a href="pa_tutorial.html">contents</a>
-| <a href="pa_tut_over.html">previous</a> | <a href="pa_tut_callback.html">next</a></font>
-</body>
-</html>
diff --git a/src/audio/portaudio/docs/pa_tut_callback.html b/src/audio/portaudio/docs/pa_tut_callback.html
deleted file mode 100644
index f5ccaf0f16..0000000000
--- a/src/audio/portaudio/docs/pa_tut_callback.html
+++ /dev/null
@@ -1,91 +0,0 @@
-<!doctype html public "-//w3c//dtd html 4.0 transitional//en">
-<html>
-<head>
- <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
- <meta name="GENERATOR" content="Mozilla/4.77 [en]C-gatewaynet (Win98; U) [Netscape]">
- <meta name="Author" content="Phil Burk">
- <meta name="Description" content="Tutorial for PortAudio, a cross platform, open-source, audio I/O library.It provides a very simple API for recording and/or playing sound using a simple callback function.">
- <meta name="KeyWords" content="audio, tutorial, library, portable, open-source, DirectSound,sound, music, JSyn, synthesis,">
- <title>PortAudio Tutorial</title>
-</head>
-<body>
-
-<center><table COLS=1 WIDTH="100%" BGCOLOR="#FADA7A" >
-<tr>
-<td>
-<center>
-<h1>
-PortAudio Tutorial</h1></center>
-</td>
-</tr>
-</table></center>
-
-<h2>
-Writing a Callback Function</h2>
-
-<blockquote>To write a program using PortAudio, you must include the "portaudio.h"
-include file. You may wish to read "<a href="portaudio_h.txt">portaudio.h</a>"
-because it contains a complete description of the PortAudio functions and
-constants.
-<blockquote>
-<pre>#include "portaudio.h"</pre>
-</blockquote>
-The next task is to write your custom callback function. It is a function
-that is called by the PortAudio engine whenever it has captured audio data,
-or when it needs more audio data for output.
-<p>Your callback function is often called by an interrupt, or low level
-process so you should not do any complex system activities like allocating
-memory, or reading or writing files, or printf(). Just crunch numbers and
-generate audio signals. What is safe or not safe will vary from platform
-to platform. On the Macintosh, for example, you can only call "interrupt
-safe" routines. Also do not call any PortAudio functions in the callback
-except for Pa_StreamTime() and Pa_GetCPULoad().
-<p>Your callback function must return an int and accept the exact parameters
-specified in this typedef:
-<blockquote>
-<pre>typedef int (PortAudioCallback)(
- void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- PaTimestamp outTime, void *userData );</pre>
-</blockquote>
-Here is an example callback function from the test file "patests/patest_saw.c".
-It calculates a simple left and right sawtooth signal and writes it to
-the output buffer. Notice that in this example, the signals are of <tt>float</tt>
-data type. The signals must be between -1.0 and +1.0. You can also use
-16 bit integers or other formats which are specified during setup. You
-can pass a pointer to your data structure through PortAudio which will
-appear as <tt>userData</tt>.
-<blockquote>
-<pre>int patestCallback( void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- PaTimestamp outTime, void *userData )
-{
- unsigned int i;
-/* Cast data passed through stream to our structure type. */
- paTestData *data = (paTestData*)userData;
- float *out = (float*)outputBuffer;
-
- for( i=0; i<framesPerBuffer; i++ )
- {
- /* Stereo channels are interleaved. */
- *out++ = data->left_phase; /* left */
- *out++ = data->right_phase; /* right */
-
- /* Generate simple sawtooth phaser that ranges between -1.0 and 1.0. */
- data->left_phase += 0.01f;
- /* When signal reaches top, drop back down. */
- if( data->left_phase >= 1.0f ) data->left_phase -= 2.0f;
-
- /* higher pitch so we can distinguish left and right. */
- data->right_phase += 0.03f;
- if( data->right_phase >= 1.0f ) data->right_phase -= 2.0f;
- }
- return 0;
-}</pre>
-</blockquote>
-</blockquote>
-<font size=+2><a href="http://www.portaudio.com/">home</a> |
-<a href="pa_tutorial.html">contents</a>
-| <a href="pa_tut_over.html">previous</a> | <a href="pa_tut_init.html">next</a></font>
-</body>
-</html>
diff --git a/src/audio/portaudio/docs/pa_tut_devs.html b/src/audio/portaudio/docs/pa_tut_devs.html
deleted file mode 100644
index 1756992cb5..0000000000
--- a/src/audio/portaudio/docs/pa_tut_devs.html
+++ /dev/null
@@ -1,65 +0,0 @@
-<!doctype html public "-//w3c//dtd html 4.0 transitional//en">
-<html>
-<head>
- <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
- <meta name="GENERATOR" content="Mozilla/4.75 [en]C-gatewaynet (Win98; U) [Netscape]">
- <meta name="Author" content="Phil Burk">
- <meta name="Description" content="Tutorial for PortAudio, a cross platform, open-source, audio I/O library.It provides a very simple API for recording and/or playing sound using a simple callback function.">
- <meta name="KeyWords" content="audio, tutorial, library, portable, open-source, DirectSound,sound, music, JSyn, synthesis,">
- <title>PortAudio Tutorial</title>
-</head>
-<body>
-
-<center><table COLS=1 WIDTH="100%" BGCOLOR="#FADA7A" >
-<tr>
-<td>
-<center>
-<h1>
-PortAudio Tutorial</h1></center>
-</td>
-</tr>
-</table></center>
-
-<h2>
-Querying for Available Devices</h2>
-
-<blockquote>There are often several different audio devices available in
-a computer with different capabilities. They can differ in the sample rates
-supported, bit widths, etc. PortAudio provides a simple way to query for
-the available devices, and then pass the selected device to Pa_OpenStream().
-For an example, see the file "pa_tests/pa_devs.c".
-<p>To determine the number of devices:
-<blockquote>
-<pre>numDevices = Pa_CountDevices();</pre>
-</blockquote>
-You can then query each device in turn by calling Pa_GetDeviceInfo() with
-an index.
-<blockquote>
-<pre>for( i=0; i<numDevices; i++ ) {
- pdi = Pa_GetDeviceInfo( i );</pre>
-</blockquote>
-It will return a pointer to a <tt>PaDeviceInfo</tt> structure which is
-defined as:
-<blockquote>
-<pre>typedef struct{
- int structVersion;
- const char *name;
- int maxInputChannels;
- int maxOutputChannels;
-/* Number of discrete rates, or -1 if range supported. */
- int numSampleRates;
-/* Array of supported sample rates, or {min,max} if range supported. */
- const double *sampleRates;
- PaSampleFormat nativeSampleFormat;
-}PaDeviceInfo;</pre>
-</blockquote>
-If the device supports a continuous range of sample rates, then numSampleRates
-will equal -1, and the sampleRates array will have two values, the minimum
-and maximum rate.
-<p>The device information is allocated by Pa_Initialize() and freed by
-Pa_Terminate() so you do not have to free() the structure returned by Pa_GetDeviceInfo().</blockquote>
-<font size=+2><a href="http://www.portaudio.com/">home</a> |
-<a href="pa_tutorial.html">contents</a>
-| <a href="pa_tut_util.html">previous</a> | <a href="pa_tut_rw.html">next</a></font>
-</body>
-</html>
diff --git a/src/audio/portaudio/docs/pa_tut_explore.html b/src/audio/portaudio/docs/pa_tut_explore.html
deleted file mode 100644
index 91c08a5b72..0000000000
--- a/src/audio/portaudio/docs/pa_tut_explore.html
+++ /dev/null
@@ -1,42 +0,0 @@
-<!doctype html public "-//w3c//dtd html 4.0 transitional//en">
-<html>
-<head>
- <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
- <meta name="GENERATOR" content="Mozilla/4.73 [en]C-gatewaynet (Win98; U) [Netscape]">
- <meta name="Author" content="Phil Burk">
- <meta name="Description" content="Tutorial for PortAudio, a cross platform, open-source, audio I/O library.It provides a very simple API for recording and/or playing sound using a simple callback function.">
- <meta name="KeyWords" content="audio, tutorial, library, portable, open-source, DirectSound,sound, music, JSyn, synthesis,">
- <title>PortAudio Tutorial</title>
-</head>
-<body>
-
-<center><table COLS=1 WIDTH="100%" BGCOLOR="#FADA7A" >
-<tr>
-<td>
-<center>
-<h1>
-PortAudio Tutorial</h1></center>
-</td>
-</tr>
-</table></center>
-
-<h2>
-Exploring PortAudio</h2>
-
-<blockquote>Now that you have a good idea of how PortAudio works, you can
-try out the test programs.
-<ul>
-<li>
-For an example of playing a sine wave, see "pa_tests/patest_sine.c".</li>
-
-<li>
-For an example of recording and playing back a sound, see "pa_tests/patest_record.c".</li>
-</ul>
-I also encourage you to examine the source for the PortAudio libraries.
-If you have suggestions on ways to improve them, please let us know. if
-you want to implement PortAudio on a new platform, please let us know as
-well so we can coordinate people's efforts.</blockquote>
-<font size=+2><a href="http://www.portaudio.com/">home</a> | <a href="pa_tutorial.html">contents</a>
-| <a href="pa_tut_rw.html">previous</a> | next</font>
-</body>
-</html>
diff --git a/src/audio/portaudio/docs/pa_tut_init.html b/src/audio/portaudio/docs/pa_tut_init.html
deleted file mode 100644
index 91bfa8d987..0000000000
--- a/src/audio/portaudio/docs/pa_tut_init.html
+++ /dev/null
@@ -1,43 +0,0 @@
-<!doctype html public "-//w3c//dtd html 4.0 transitional//en">
-<html>
-<head>
- <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
- <meta name="GENERATOR" content="Mozilla/4.73 [en]C-gatewaynet (Win98; U) [Netscape]">
- <meta name="Author" content="Phil Burk">
- <meta name="Description" content="Tutorial for PortAudio, a cross platform, open-source, audio I/O library.It provides a very simple API for recording and/or playing sound using a simple callback function.">
- <meta name="KeyWords" content="audio, tutorial, library, portable, open-source, DirectSound,sound, music, JSyn, synthesis,">
- <title>PortAudio Tutorial</title>
-</head>
-<body>
-
-<center><table COLS=1 WIDTH="100%" BGCOLOR="#FADA7A" >
-<tr>
-<td>
-<center>
-<h1>
-PortAudio Tutorial</h1></center>
-</td>
-</tr>
-</table></center>
-
-<h2>
-Initializing PortAudio</h2>
-
-<blockquote>Before making any other calls to PortAudio, you must call <tt>Pa_Initialize</tt>().
-This will trigger a scan of available devices which can be queried later.
-Like most PA functions, it will return a result of type <tt>paError</tt>.
-If the result is not <tt>paNoError</tt>, then an error has occurred.
-<blockquote>
-<pre>err = Pa_Initialize();
-if( err != paNoError ) goto error;</pre>
-</blockquote>
-You can get a text message that explains the error message by passing it
-to
-<blockquote>
-<pre>printf( "PortAudio error: %s\n", Pa_GetErrorText( err ) );</pre>
-</blockquote>
-</blockquote>
-<font size=+2><a href="http://www.portaudio.com/">home</a> | <a href="pa_tutorial.html">contents</a>
-| <a href="pa_tut_callback.html">previous</a> | <a href="pa_tut_open.html">next</a></font>
-</body>
-</html>
diff --git a/src/audio/portaudio/docs/pa_tut_mac.html b/src/audio/portaudio/docs/pa_tut_mac.html
deleted file mode 100644
index bf3dafd1ac..0000000000
--- a/src/audio/portaudio/docs/pa_tut_mac.html
+++ /dev/null
@@ -1,41 +0,0 @@
-<!doctype html public "-//w3c//dtd html 4.0 transitional//en">
-<html>
-<head>
- <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
- <meta name="GENERATOR" content="Mozilla/4.77 [en]C-gatewaynet (Win98; U) [Netscape]">
- <meta name="Author" content="Phil Burk">
- <meta name="Description" content="Tutorial for PortAudio, a cross platform, open-source, audio I/O library.It provides a very simple API for recording and/or playing sound using a simple callback function.">
- <meta name="KeyWords" content="audio, tutorial, library, portable, open-source, DirectSound,sound, music, JSyn, synthesis,">
- <title>PortAudio Tutorial</title>
-</head>
-<body>
-
-<center><table COLS=1 WIDTH="100%" BGCOLOR="#FADA7A" >
-<tr>
-<td>
-<center>
-<h1>
-PortAudio Tutorial</h1></center>
-</td>
-</tr>
-</table></center>
-
-<h2>
-Compiling for Macintosh</h2>
-
-<blockquote>To compile a Macintosh application with the PortAudio library,
-add the following source files to your project:
-<blockquote>
-<pre>pa_mac:pa_mac.c
-pa_common:pa_lib.c
-pa_common:portaudio.h
-pa_common:pa_host.h</pre>
-</blockquote>
-Also add the Apple <b>SoundLib</b> to your project.
-<p>You may try compiling the "pa_tests:patest_saw.c" file first because
-it is the simplest.</blockquote>
-<font size=+2><a href="http://www.portaudio.com/">home</a> |
-<a href="pa_tutorial.html">contents</a>
-| <a href="pa_tut_over.html">previous</a> | <a href="pa_tut_callback.html">next</a></font>
-</body>
-</html>
diff --git a/src/audio/portaudio/docs/pa_tut_mac_osx.html b/src/audio/portaudio/docs/pa_tut_mac_osx.html
deleted file mode 100644
index 3af8c140ff..0000000000
--- a/src/audio/portaudio/docs/pa_tut_mac_osx.html
+++ /dev/null
@@ -1,46 +0,0 @@
-<!doctype html public "-//w3c//dtd html 4.0 transitional//en">
-<html>
-<head>
- <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
- <meta name="GENERATOR" content="Mozilla/4.79 [en] (Windows NT 5.0; U) [Netscape]">
- <meta name="Author" content="Phil Burk">
- <meta name="Description" content="Tutorial for PortAudio, a cross platform, open-source, audio I/O library.It provides a very simple API for recording and/or playing sound using a simple callback function.">
- <meta name="KeyWords" content="audio, tutorial, library, portable, open-source, DirectSound,sound, music, JSyn, synthesis,">
- <title>PortAudio Tutorial</title>
-</head>
-<body>
-
-<center><table COLS=1 WIDTH="100%" BGCOLOR="#FADA7A" >
-<tr>
-<td>
-<center>
-<h1>
-PortAudio Tutorial</h1></center>
-</td>
-</tr>
-</table></center>
-
-<h2>
-Compiling for Macintosh OS X</h2>
-
-<blockquote>To compile a Macintosh OS X CoreAudio application with the
-PortAudio library:
-<p>Create a new ProjectBuilder project. You can use a "Tool" project to
-run the PortAudio examples.
-<p>Add the following source files to your Project:
-<blockquote>
-<pre>pa_mac_core/pa_mac_core.c
-pa_common/pa_lib.c
-pa_common/portaudio.h
-pa_common/pa_host.h
-pa_common/pa_convert.c</pre>
-</blockquote>
-Add the Apple CoreAudio.framework to your project by selecting "Add FrameWorks..."
-from the Project menu.
-<p>Compile and run the "pa_tests:patest_saw.c" file first because it is
-the simplest.</blockquote>
-<font size=+2><a href="http://www.portaudio.com/">home</a> |
-<a href="pa_tutorial.html">contents</a>
-| <a href="pa_tut_over.html">previous</a> | <a href="pa_tut_callback.html">next</a></font>
-</body>
-</html>
diff --git a/src/audio/portaudio/docs/pa_tut_open.html b/src/audio/portaudio/docs/pa_tut_open.html
deleted file mode 100644
index 1621ef30ff..0000000000
--- a/src/audio/portaudio/docs/pa_tut_open.html
+++ /dev/null
@@ -1,52 +0,0 @@
-<!doctype html public "-//w3c//dtd html 4.0 transitional//en">
-<html>
-<head>
- <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
- <meta name="GENERATOR" content="Mozilla/4.73 [en]C-gatewaynet (Win98; U) [Netscape]">
- <meta name="Author" content="Phil Burk">
- <meta name="Description" content="Tutorial for PortAudio, a cross platform, open-source, audio I/O library.It provides a very simple API for recording and/or playing sound using a simple callback function.">
- <meta name="KeyWords" content="audio, tutorial, library, portable, open-source, DirectSound,sound, music, JSyn, synthesis,">
- <title>PortAudio Tutorial</title>
-</head>
-<body>
-
-<center><table COLS=1 WIDTH="100%" BGCOLOR="#FADA7A" >
-<tr>
-<td>
-<center>
-<h1>
-PortAudio Tutorial</h1></center>
-</td>
-</tr>
-</table></center>
-
-<h2>
-Opening a Stream using Defaults</h2>
-
-<blockquote>The next step is to open a stream which is similar to opening
-a file. You can specify whether you want audio input and/or output, how
-many channels, the data format, sample rate, etc. There are two calls for
-opening streams, <tt>Pa_OpenStream</tt>() and <tt>Pa_OpenDefaultStream</tt>().
-<p><tt>Pa_OpenStream()</tt> takes extra parameters which give you
-more control. You can normally just use <tt>Pa_OpenDefaultStream</tt>()
-which just calls <tt>Pa_OpenStream()</tt> <tt>with</tt> some reasonable
-default values. Let's open a stream for stereo output, using floating
-point data, at 44100 Hz.
-<blockquote>
-<pre>err = Pa_OpenDefaultStream(
- &stream, /* passes back stream pointer */
- 0, /* no input channels */
- 2, /* stereo output */
- paFloat32, /* 32 bit floating point output */
- 44100, /* sample rate */
- 256, /* frames per buffer */
- 0, /* number of buffers, if zero then use default minimum */
- patestCallback, /* specify our custom callback */
- &data ); /* pass our data through to callback */</pre>
-</blockquote>
-If you want to use 16 bit integer data, pass <tt>paInt16</tt> instead of
-<tt>paFloat32</tt>.</blockquote>
-<font size=+2><a href="http://www.portaudio.com/">home</a> | <a href="pa_tutorial.html">contents</a>
-| <a href="pa_tut_init.html">previous</a> | <a href="pa_tut_run.html">next</a></font>
-</body>
-</html>
diff --git a/src/audio/portaudio/docs/pa_tut_oss.html b/src/audio/portaudio/docs/pa_tut_oss.html
deleted file mode 100644
index 1bb76f2592..0000000000
--- a/src/audio/portaudio/docs/pa_tut_oss.html
+++ /dev/null
@@ -1,46 +0,0 @@
-<!doctype html public "-//w3c//dtd html 4.0 transitional//en">
-<html>
-<head>
- <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
- <meta name="GENERATOR" content="Mozilla/4.77 [en]C-gatewaynet (Win98; U) [Netscape]">
- <meta name="Author" content="Phil Burk">
- <meta name="Description" content="Tutorial for PortAudio, a cross platform, open-source, audio I/O library.It provides a very simple API for recording and/or playing sound using a simple callback function.">
- <meta name="KeyWords" content="audio, tutorial, library, portable, open-source, DirectSound,sound, music, JSyn, synthesis,">
- <title>PortAudio Tutorial</title>
-</head>
-<body>
-
-<center><table COLS=1 WIDTH="100%" BGCOLOR="#FADA7A" >
-<tr>
-<td>
-<center>
-<h1>
-PortAudio Tutorial</h1></center>
-</td>
-</tr>
-</table></center>
-
-<h2>
-Compiling for Unix OSS</h2>
-
-<blockquote>[Skip this page if you are not using Unix and OSS]
-<p>We currently support the <a href="http://www.opensound.com/">OSS</a>
-audio drivers for Linux, Solaris, and FreeBSD. We hope to someday support
-the newer ALSA drivers.
-<ol>
-<li>
-cd to pa_unix_oss directory</li>
-
-<li>
-Edit the Makefile and uncomment one of the tests. You may try compiling
-the "patest_sine.c" file first because it is very simple.</li>
-
-<li>
-gmake run</li>
-</ol>
-</blockquote>
-<font size=+2><a href="http://www.portaudio.com/">home</a> |
-<a href="pa_tutorial.html">contents</a>
-| <a href="pa_tut_pc.html">previous</a> | <a href="pa_tut_callback.html">next</a></font>
-</body>
-</html>
diff --git a/src/audio/portaudio/docs/pa_tut_over.html b/src/audio/portaudio/docs/pa_tut_over.html
deleted file mode 100644
index baa99205bf..0000000000
--- a/src/audio/portaudio/docs/pa_tut_over.html
+++ /dev/null
@@ -1,92 +0,0 @@
-<!doctype html public "-//w3c//dtd html 4.0 transitional//en">
-<html>
-<head>
- <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
- <meta name="GENERATOR" content="Mozilla/4.79 [en] (Windows NT 5.0; U) [Netscape]">
- <meta name="Author" content="Phil Burk">
- <meta name="Description" content="Tutorial for PortAudio, a cross platform, open-source, audio I/O library.It provides a very simple API for recording and/or playing sound using a simple callback function.">
- <meta name="KeyWords" content="audio, tutorial, library, portable, open-source, DirectSound,sound, music, JSyn, synthesis,">
- <title>PortAudio Tutorial</title>
-</head>
-<body>
-
-<center><table COLS=1 WIDTH="100%" BGCOLOR="#FADA7A" >
-<tr>
-<td>
-<center>
-<h1>
-PortAudio Tutorial</h1></center>
-</td>
-</tr>
-</table></center>
-
-<h2>
-Overview of PortAudio</h2>
-
-<blockquote>PortAudio is a library that provides streaming audio input
-and output. It is a cross-platform API (Application Programming Interface)
-that works on Windows, Macintosh, Unix running OSS, SGI, BeOS, and perhaps
-other platforms by the time you read this. This means that you can write
-a simple 'C' program to process or generate an audio signal, and that program
-can run on several different types of computer just by recompiling the
-source code.
-<p>Here are the steps to writing a PortAudio application:
-<ol>
-<li>
-Write a callback function that will be called by PortAudio when audio processing
-is needed.</li>
-
-<li>
-Initialize the PA library and open a stream for audio I/O.</li>
-
-<li>
-Start the stream. Your callback function will be now be called repeatedly
-by PA in the background.</li>
-
-<li>
-In your callback you can read audio data from the inputBuffer and/or write
-data to the outputBuffer.</li>
-
-<li>
-Stop the stream by returning 1 from your callback, or by calling a stop
-function.</li>
-
-<li>
-Close the stream and terminate the library.</li>
-</ol>
-</blockquote>
-
-<blockquote>There is also <a href="pa_tut_rw.html">another interface</a>
-provided that allows you to generate audio in the foreground. You then
-simply write data to the stream and the tool will not return until it is
-ready to accept more data. This interface is simpler to use but is usually
-not preferred for large applications because it requires that you launch
-a thread to perform the synthesis. Launching a thread may be difficult
-on non-multi-tasking systems such as the Macintosh prior to MacOS X.
-<p>Let's continue by building a simple application that will play a sawtooth
-wave.
-<p>Please select the page for the specific implementation you would like
-to use:
-<ul>
-<li>
-<a href="pa_tut_pc.html">Windows (WMME or DirectSound)</a></li>
-
-<li>
-<a href="pa_tut_mac.html">Macintosh SoundManager for OS 7,8,9</a></li>
-
-<li>
-<a href="pa_tut_mac_osx.html">Macintosh CoreAudio for OS X</a></li>
-
-<li>
-<a href="pa_tut_asio.html">ASIO on Windows or Macintosh</a></li>
-
-<li>
-<a href="pa_tut_oss.html">Unix OSS</a></li>
-</ul>
-or continue with the <a href="pa_tut_callback.html">next page of the programming
-tutorial</a>.</blockquote>
-<font size=+2><a href="http://www.portaudio.com/">home</a> |
-<a href="pa_tutorial.html">contents</a>
-| <a href="pa_tutorial.html">previous</a></font>
-</body>
-</html>
diff --git a/src/audio/portaudio/docs/pa_tut_pc.html b/src/audio/portaudio/docs/pa_tut_pc.html
deleted file mode 100644
index 87e5f9a020..0000000000
--- a/src/audio/portaudio/docs/pa_tut_pc.html
+++ /dev/null
@@ -1,78 +0,0 @@
-<!doctype html public "-//w3c//dtd html 4.0 transitional//en">
-<html>
-<head>
- <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
- <meta name="GENERATOR" content="Mozilla/4.77 [en]C-gatewaynet (Win98; U) [Netscape]">
- <meta name="Author" content="Phil Burk">
- <meta name="Description" content="Tutorial for PortAudio, a cross platform, open-source, audio I/O library.It provides a very simple API for recording and/or playing sound using a simple callback function.">
- <meta name="KeyWords" content="audio, tutorial, library, portable, open-source, DirectSound,sound, music, JSyn, synthesis,">
- <title>PortAudio Tutorial</title>
-</head>
-<body>
-
-<center><table COLS=1 WIDTH="100%" BGCOLOR="#FADA7A" >
-<tr>
-<td>
-<center>
-<h1>
-PortAudio Tutorial</h1></center>
-</td>
-</tr>
-</table></center>
-
-<h2>
-Compiling for Windows (WMME or DirectSound)</h2>
-
-<blockquote>To compile PortAudio for Windows, you can choose between two
-options. One implementation uses the DirectSound API. The other uses the
-Windows MultiMedia Extensions API (aka WMME or WAVE).
-<p>Some advantages of using DirectSound are that DirectSound may have lower
-latency than WMME, and supports effects processing plugins. But one disadvantage
-is that DirectSound is not installed on all PCs, and is not well supported
-under Windows NT. So WMME is the best choice for most projects.
-<p>For either implementation add the following source files to your project:
-<blockquote>
-<pre><b>pa_common\pa_lib.c
-pa_common\portaudio.h
-pa_common\pa_host.h</b></pre>
-</blockquote>
-Link with the system library "<b>winmm.lib</b>". For Visual C++:
-<ol>
-<li>
-select "Settings..." from the "Project" menu,</li>
-
-<li>
-select the project name in the tree on the left,</li>
-
-<li>
-choose "All Configurations" in the popup menu above the tree,</li>
-
-<li>
-select the "Link" tab,</li>
-
-<li>
-enter "winmm.lib", without quotes, as the first item in the "Object/library
-modules:" field.</li>
-</ol>
-<b>WMME</b> - To use the WMME implementation, add the following source
-files to your project:
-<blockquote><b><tt>pa_win_wmme/pa_win_wmme.c</tt></b></blockquote>
-<b>DirectSound</b> - If you want to use the DirectSound implementation
-of PortAudio then you must have a recent copy of the free
-<a href="http://www.microsoft.com/directx/download.asp">DirectX</a>
-SDK for Developers from Microsoft installed on your computer. To compile
-an application add the following source files to your project:
-<blockquote>
-<pre><b>pa_win_ds\dsound_wrapper.c
-pa_win_ds\pa_dsound.c</b></pre>
-</blockquote>
-Link with the system library "<b>dsound.lib</b>" using the procedure described
-above for "winmm.lib".</blockquote>
-
-<blockquote>You might try compiling the "pa_tests\patest_saw.c" file first
-because it is the simplest.</blockquote>
-<font size=+2><a href="http://www.portaudio.com/">home</a> |
-<a href="pa_tutorial.html">contents</a>
-| <a href="pa_tut_over.html">previous</a> | <a href="pa_tut_callback.html">next</a></font>
-</body>
-</html>
diff --git a/src/audio/portaudio/docs/pa_tut_run.html b/src/audio/portaudio/docs/pa_tut_run.html
deleted file mode 100644
index 5c70d08955..0000000000
--- a/src/audio/portaudio/docs/pa_tut_run.html
+++ /dev/null
@@ -1,56 +0,0 @@
-<!doctype html public "-//w3c//dtd html 4.0 transitional//en">
-<html>
-<head>
- <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
- <meta name="GENERATOR" content="Mozilla/4.73 [en]C-gatewaynet (Win98; U) [Netscape]">
- <meta name="Author" content="Phil Burk">
- <meta name="Description" content="Tutorial for PortAudio, a cross platform, open-source, audio I/O library.It provides a very simple API for recording and/or playing sound using a simple callback function.">
- <meta name="KeyWords" content="audio, tutorial, library, portable, open-source, DirectSound,sound, music, JSyn, synthesis,">
- <title>PortAudio Tutorial</title>
-</head>
-<body>
-
-<center><table COLS=1 WIDTH="100%" BGCOLOR="#FADA7A" >
-<tr>
-<td>
-<center>
-<h1>
-PortAudio Tutorial</h1></center>
-</td>
-</tr>
-</table></center>
-
-<h2>
-Starting and Stopping a Stream</h2>
-
-<blockquote>The stream will not start running until you call Pa_StartStream().
-Then it will start calling your callback function to perform the audio
-processing.
-<blockquote>
-<pre>err = Pa_StartStream( stream );
-if( err != paNoError ) goto error;</pre>
-</blockquote>
-At this point, audio is being generated. You can communicate to your callback
-routine through the data structure you passed in on the open call, or through
-global variables, or using other interprocess communication techniques.
-Please be aware that your callback function may be called at interrupt
-time when your foreground process is least expecting it. So avoid sharing
-complex data structures that are easily corrupted like double linked lists.
-<p>In many of the tests we simply sleep for a few seconds so we can hear
-the sound. This is easy to do with Pa_Sleep() which will sleep for some
-number of milliseconds. Do not rely on this function for accurate scheduling.
-it is mostly for writing examples.
-<blockquote>
-<pre>/* Sleep for several seconds. */
-Pa_Sleep(NUM_SECONDS*1000);</pre>
-</blockquote>
-When you are through, you can stop the stream from the foreground.
-<blockquote>
-<pre>err = Pa_StopStream( stream );
-if( err != paNoError ) goto error;</pre>
-</blockquote>
-You can also stop the stream by returning 1 from your custom callback function.</blockquote>
-<font size=+2><a href="http://www.portaudio.com/">home</a> | <a href="pa_tutorial.html">contents</a>
-| <a href="pa_tut_open.html">previous</a> | <a href="pa_tut_term.html">next</a></font>
-</body>
-</html>
diff --git a/src/audio/portaudio/docs/pa_tut_rw.html b/src/audio/portaudio/docs/pa_tut_rw.html
deleted file mode 100644
index 93c7b8bb34..0000000000
--- a/src/audio/portaudio/docs/pa_tut_rw.html
+++ /dev/null
@@ -1,79 +0,0 @@
-<!doctype html public "-//w3c//dtd html 4.0 transitional//en">
-<html>
-<head>
- <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
- <meta name="GENERATOR" content="Mozilla/4.77 [en]C-gatewaynet (Win98; U) [Netscape]">
- <meta name="Author" content="Phil Burk">
- <meta name="Description" content="Tutorial for PortAudio, a cross platform, open-source, audio I/O library.It provides a very simple API for recording and/or playing sound using a simple callback function.">
- <meta name="KeyWords" content="audio, tutorial, library, portable, open-source, DirectSound,sound, music, JSyn, synthesis,">
- <title>PortAudio Tutorial</title>
-</head>
-<body>
-
-<center><table COLS=1 WIDTH="100%" BGCOLOR="#FADA7A" >
-<tr>
-<td>
-<center>
-<h1>
-PortAudio Tutorial</h1></center>
-</td>
-</tr>
-</table></center>
-
-<h2>
-Blocking Read/Write Functions</h2>
-
-<blockquote>[Note: These functions are not part of the official PortAudio
-API. They are simply built on top of PortAudio as an extra utility. Also
-note that they are under evaluation and their definition may change.]
-<p>There are two fundamentally different ways to design an audio API. One
-is to use callback functions the way we have already shown. The callback
-function operates under an interrupt or background thread This leaves the
-foreground application free to do other things while the audio just runs
-in the background. But this can sometimes be awkward.
-<p>So we have provided an alternative technique that lets a program generate
-audio in the foreground and then just write it to the audio stream as if
-it was a file. If there is not enough room in the audio buffer for more
-data, then the write function will just block until more room is available.
-This can make it very easy to write an audio example. To use this tool,
-you must add the files "pablio/pablio.c" and "pablio/ringbuffer.c" to your
-project. You must also:
-<blockquote>
-<pre>#include "pablio.h"</pre>
-</blockquote>
-Here is a short excerpt of a program that opens a stream for input and
-output. It then reads a block of samples from input, and writes them to
-output, in a loop. The complete example can be found in "pablio/test_rw.c".
-<blockquote>
-<pre> #define SAMPLES_PER_FRAME (2)
- #define FRAMES_PER_BLOCK (1024)
- SAMPLE samples[SAMPLES_PER_FRAME * FRAMES_PER_BLOCK];
- PaError err;
- PABLIO_Stream *aStream;
-
-/* Open simplified blocking I/O layer on top of PortAudio. */
- err = OpenAudioStream( &rwbl, SAMPLE_RATE, paFloat32,
- (PABLIO_READ_WRITE | PABLIO_STEREO) );
- if( err != paNoError ) goto error;
-
-/* Process samples in the foreground. */
- for( i=0; i<(NUM_SECONDS * SAMPLE_RATE); i++ )
- {
- /* Read one block of data into sample array from audio input. */
- ReadAudioStream( aStream, samples, FRAMES_PER_BLOCK );
- /*
- ** At this point you could process the data in samples array,
- ** and write the result back to the same samples array.
- */
- /* Write that same frame of data to output. */
- WriteAudioStream( aStream, samples, FRAMES_PER_BLOCK );
- }
-
- CloseAudioStream( aStream );</pre>
-</blockquote>
-</blockquote>
-<font size=+2><a href="http://www.portaudio.com/">home</a> |
-<a href="pa_tutorial.html">contents</a>
-| <a href="pa_tut_devs.html">previous</a> | <a href="pa_tut_explore.html">next</a></font>
-</body>
-</html>
diff --git a/src/audio/portaudio/docs/pa_tut_term.html b/src/audio/portaudio/docs/pa_tut_term.html
deleted file mode 100644
index 1c72209f1d..0000000000
--- a/src/audio/portaudio/docs/pa_tut_term.html
+++ /dev/null
@@ -1,47 +0,0 @@
-<!doctype html public "-//w3c//dtd html 4.0 transitional//en">
-<html>
-<head>
- <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
- <meta name="GENERATOR" content="Mozilla/4.73 [en]C-gatewaynet (Win98; U) [Netscape]">
- <meta name="Author" content="Phil Burk">
- <meta name="Description" content="Tutorial for PortAudio, a cross platform, open-source, audio I/O library.It provides a very simple API for recording and/or playing sound using a simple callback function.">
- <meta name="KeyWords" content="audio, tutorial, library, portable, open-source, DirectSound,sound, music, JSyn, synthesis,">
- <title>PortAudio Tutorial</title>
-</head>
-<body>
-
-<center><table COLS=1 WIDTH="100%" BGCOLOR="#FADA7A" >
-<tr>
-<td>
-<center>
-<h1>
-PortAudio Tutorial</h1></center>
-</td>
-</tr>
-</table></center>
-
-<h2>
-Terminating PortAudio</h2>
-
-<blockquote>You can start and stop a stream as many times as you like.
-But when you are done using it, you should close it by calling:</blockquote>
-
-<blockquote>
-<blockquote>
-<pre>err = Pa_CloseStream( stream );
-if( err != paNoError ) goto error;</pre>
-</blockquote>
-Then when you are done using PortAudio, you should terminate the whole
-system by calling:
-<blockquote>
-<pre>Pa_Terminate();</pre>
-</blockquote>
-That's basically it. You can now write an audio program in 'C' that will
-run on multiple platforms, for example PCs and Macintosh.
-<p>In the rest of the tutorial we will look at some additional utility
-functions, and a different way of using PortAudio that does not require
-the use of a callback function.</blockquote>
-<font size=+2><a href="http://www.portaudio.com/">home</a> | <a href="pa_tutorial.html">contents</a>
-| <a href="pa_tut_run.html">previous</a> | <a href="pa_tut_util.html">next</a></font>
-</body>
-</html>
diff --git a/src/audio/portaudio/docs/pa_tut_util.html b/src/audio/portaudio/docs/pa_tut_util.html
deleted file mode 100644
index f4b5475013..0000000000
--- a/src/audio/portaudio/docs/pa_tut_util.html
+++ /dev/null
@@ -1,55 +0,0 @@
-<!doctype html public "-//w3c//dtd html 4.0 transitional//en">
-<html>
-<head>
- <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
- <meta name="GENERATOR" content="Mozilla/4.75 [en]C-gatewaynet (Win98; U) [Netscape]">
- <meta name="Author" content="Phil Burk">
- <meta name="Description" content="Tutorial for PortAudio, a cross platform, open-source, audio I/O library.It provides a very simple API for recording and/or playing sound using a simple callback function.">
- <meta name="KeyWords" content="audio, tutorial, library, portable, open-source, DirectSound,sound, music, JSyn, synthesis,">
- <title>PortAudio Tutorial</title>
-</head>
-<body>
-
-<center><table COLS=1 WIDTH="100%" BGCOLOR="#FADA7A" >
-<tr>
-<td>
-<center>
-<h1>
-PortAudio Tutorial</h1></center>
-</td>
-</tr>
-</table></center>
-
-<h2>
-Utility Functions</h2>
-
-<blockquote>Here are several more functions that are not critical, but
-may be handy when using PortAudio.
-<p>Pa_StreamActive() returns one when the stream in playing audio, zero
-when not playing, or a negative error number if the stream is invalid.
-The stream is active between calls to Pa_StartStream() and Pa_StopStream(),
-but may also become inactive if the callback returns a non-zero value.
-In the latter case, the stream is considered inactive after the last buffer
-has finished playing.
-<blockquote>
-<pre>PaError Pa_StreamActive( PortAudioStream *stream );</pre>
-</blockquote>
-Pa_StreamTime() returns the number of samples that have been generated.
-PaTimeStamp is a double precision number which is a convenient way to pass
-big numbers around even though we only need integers.
-<blockquote>
-<pre>PaTimestamp Pa_StreamTime( PortAudioStream *stream );</pre>
-</blockquote>
-The "CPU Load" is a fraction of total CPU time consumed by the stream's
-audio processing. A value of 0.5 would imply that PortAudio and the sound
-generating callback was consuming roughly 50% of the available CPU time.
-This function may be called from the callback function or the application.
-<blockquote>
-<pre>double Pa_GetCPULoad( PortAudioStream* stream );</pre>
-</blockquote>
-</blockquote>
-<font size=+2><a href="http://www.portaudio.com/">home</a> |
-<a href="pa_tutorial.html">contents</a> | <a href="pa_tut_term.html">previous</a>
-| <a href="pa_tut_devs.html">next</a></font>
-</body>
-</html>
diff --git a/src/audio/portaudio/docs/pa_tutorial.html b/src/audio/portaudio/docs/pa_tutorial.html
deleted file mode 100644
index 1371c44f0e..0000000000
--- a/src/audio/portaudio/docs/pa_tutorial.html
+++ /dev/null
@@ -1,46 +0,0 @@
-<!doctype html public "-//w3c//dtd html 4.0 transitional//en">
-<html>
-<head>
- <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
- <meta name="GENERATOR" content="Mozilla/4.79 [en] (Windows NT 5.0; U) [Netscape]">
- <meta name="Author" content="Phil Burk">
- <meta name="Description" content="Tutorial for PortAudio, a cross platform, open-source, audio I/O library.It provides a very simple API for recording and/or playing sound using a simple callback function.">
- <meta name="KeyWords" content="audio, tutorial, library, portable, open-source, DirectSound,sound, music, JSyn, synthesis,">
- <title>PortAudio Tutorial</title>
-</head>
-<body>
-
-<center><table COLS=1 WIDTH="100%" BGCOLOR="#FADA7A" >
-<tr>
-<td>
-<center>
-<h1>
-PortAudio Tutorial</h1></center>
-</td>
-</tr>
-</table></center>
-
-<p>Copyright 2000 Phil Burk and Ross Bencina
-<h2>
-Table of Contents</h2>
-
-<blockquote><a href="pa_tut_over.html">Overview of PortAudio</a>
-<br><a href="pa_tut_mac.html">Compiling for Macintosh OS 7,8,9</a>
-<br><a href="pa_tut_mac_osx.html">Compiling for Macintosh OS X</a>
-<br><a href="pa_tut_pc.html">Compiling for Windows (DirectSound and WMME)</a>
-<br><a href="pa_tut_asio.html">Compiling for ASIO on Windows or Mac OS
-8,9</a>
-<br><a href="pa_tut_oss.html">Compiling for Unix OSS</a>
-<br><a href="pa_tut_callback.html">Writing a Callback Function</a>
-<br><a href="pa_tut_init.html">Initializing PortAudio</a>
-<br><a href="pa_tut_open.html">Opening a Stream using Defaults</a>
-<br><a href="pa_tut_run.html">Starting and Stopping a Stream</a>
-<br><a href="pa_tut_term.html">Cleaning Up</a>
-<br><a href="pa_tut_util.html">Utilities</a>
-<br><a href="pa_tut_devs.html">Querying for Devices</a>
-<br><a href="pa_tut_rw.html">Blocking Read/Write Functions</a>
-<br><a href="pa_tut_explore.html">Exploring the PortAudio Package</a></blockquote>
-<font size=+2><a href="http://www.portaudio.com/">home</a> | contents |
-previous | <a href="pa_tut_over.html">next</a></font>
-</body>
-</html>
diff --git a/src/audio/portaudio/docs/portaudio_h.txt b/src/audio/portaudio/docs/portaudio_h.txt
deleted file mode 100644
index 6d60086fca..0000000000
--- a/src/audio/portaudio/docs/portaudio_h.txt
+++ /dev/null
@@ -1,425 +0,0 @@
-#ifndef PORT_AUDIO_H
-#define PORT_AUDIO_H
-
-#ifdef __cplusplus
-extern "C" {
-#endif /* __cplusplus */
-
-/*
- * PortAudio Portable Real-Time Audio Library
- * PortAudio API Header File
- * Latest version available at: http://www.audiomulch.com/portaudio/
- *
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-
-typedef int PaError;
-typedef enum {
- paNoError = 0,
-
- paHostError = -10000,
- paInvalidChannelCount,
- paInvalidSampleRate,
- paInvalidDeviceId,
- paInvalidFlag,
- paSampleFormatNotSupported,
- paBadIODeviceCombination,
- paInsufficientMemory,
- paBufferTooBig,
- paBufferTooSmall,
- paNullCallback,
- paBadStreamPtr,
- paTimedOut,
- paInternalError
-} PaErrorNum;
-
-/*
- Pa_Initialize() is the library initialisation function - call this before
- using the library.
-*/
-
-PaError Pa_Initialize( void );
-
-/*
- Pa_Terminate() is the library termination function - call this after
- using the library.
-*/
-
-PaError Pa_Terminate( void );
-
-/*
- Return host specific error.
- This can be called after receiving a paHostError.
-*/
-long Pa_GetHostError( void );
-
-/*
- Translate the error number into a human readable message.
-*/
-const char *Pa_GetErrorText( PaError errnum );
-
-/*
- Sample formats
-
- These are formats used to pass sound data between the callback and the
- stream. Each device has a "native" format which may be used when optimum
- efficiency or control over conversion is required.
-
- Formats marked "always available" are supported (emulated) by all devices.
-
- The floating point representation uses +1.0 and -1.0 as the respective
- maximum and minimum.
-
-*/
-
-typedef unsigned long PaSampleFormat;
-#define paFloat32 ((PaSampleFormat) (1<<0)) /*always available*/
-#define paInt16 ((PaSampleFormat) (1<<1)) /*always available*/
-#define paInt32 ((PaSampleFormat) (1<<2)) /*always available*/
-#define paInt24 ((PaSampleFormat) (1<<3))
-#define paPackedInt24 ((PaSampleFormat) (1<<4))
-#define paInt8 ((PaSampleFormat) (1<<5))
-#define paUInt8 ((PaSampleFormat) (1<<6)) /* unsigned 8 bit, 128 is "ground" */
-#define paCustomFormat ((PaSampleFormat) (1<<16))
-
-/*
- Device enumeration mechanism.
-
- Device ids range from 0 to Pa_CountDevices()-1.
-
- Devices may support input, output or both. Device 0 is always the "default"
- device and should support at least stereo in and out if that is available
- on the taget platform _even_ if this involves kludging an input/output
- device on platforms that usually separate input from output. Other platform
- specific devices are specified by positive device ids.
-*/
-
-typedef int PaDeviceID;
-#define paNoDevice -1
-
-typedef struct{
- int structVersion;
- const char *name;
- int maxInputChannels;
- int maxOutputChannels;
-/* Number of discrete rates, or -1 if range supported. */
- int numSampleRates;
-/* Array of supported sample rates, or {min,max} if range supported. */
- const double *sampleRates;
- PaSampleFormat nativeSampleFormats;
-} PaDeviceInfo;
-
-
-int Pa_CountDevices();
-/*
- Pa_GetDefaultInputDeviceID(), Pa_GetDefaultOutputDeviceID()
-
- Return the default device ID or paNoDevice if there is no devices.
- The result can be passed to Pa_OpenStream().
-
- On the PC, the user can specify a default device by
- setting an environment variable. For example, to use device #1.
-
- set PA_RECOMMENDED_OUTPUT_DEVICE=1
-
- The user should first determine the available device ID by using
- the supplied application "pa_devs".
-*/
-PaDeviceID Pa_GetDefaultInputDeviceID( void );
-PaDeviceID Pa_GetDefaultOutputDeviceID( void );
-
-/*
- PaTimestamp is used to represent a continuous sample clock with arbitrary
- start time useful for syncronisation. The type is used in the outTime
- argument to the callback function and the result of Pa_StreamTime()
-*/
-
-typedef double PaTimestamp;
-
-/*
- Pa_GetDeviceInfo() returns a pointer to an immutable PaDeviceInfo structure
- referring to the device specified by id.
- If id is out of range the function returns NULL.
-
- The returned structure is owned by the PortAudio implementation and must
- not be manipulated or freed. The pointer is guaranteed to be valid until
- between calls to Pa_Initialize() and Pa_Terminate().
-*/
-
-const PaDeviceInfo* Pa_GetDeviceInfo( PaDeviceID devID );
-
-/*
- PortAudioCallback is implemented by clients of the portable audio api.
-
- inputBuffer and outputBuffer are arrays of interleaved samples,
- the format, packing and number of channels used by the buffers are
- determined by parameters to Pa_OpenStream() (see below).
-
- framesPerBuffer is the number of sample frames to be processed by the callback.
-
- outTime is the time in samples when the buffer(s) processed by
- this callback will begin being played at the audio output.
- See also Pa_StreamTime()
-
- userData is the value of a user supplied pointer passed to Pa_OpenStream()
- intended for storing synthesis data etc.
-
- return value:
- The callback can return a nonzero value to stop the stream. This may be
- useful in applications such as soundfile players where a specific duration
- of output is required. However, it is not necessary to utilise this mechanism
- as StopStream() will also terminate the stream. A callback returning a
- nonzero value must fill the entire outputBuffer.
-
- NOTE: None of the other stream functions may be called from within the
- callback function except for Pa_GetCPULoad().
-
-*/
-
-typedef int (PortAudioCallback)(
- void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- PaTimestamp outTime, void *userData );
-
-
-/*
- Stream flags
-
- These flags may be supplied (ored together) in the streamFlags argument to
- the Pa_OpenStream() function.
-
- [ suggestions? ]
-*/
-
-#define paNoFlag (0)
-#define paClipOff (1<<0) /* disable defult clipping of out of range samples */
-#define paDitherOff (1<<1) /* disable default dithering */
-#define paPlatformSpecificFlags (0x00010000)
-typedef unsigned long PaStreamFlags;
-
-/*
- A single PortAudioStream provides multiple channels of real-time
- input and output audio streaming to a client application.
- Pointers to PortAudioStream objects are passed between PortAudio functions.
-*/
-
-typedef void PortAudioStream;
-#define PaStream PortAudioStream
-
-/*
- Pa_OpenStream() opens a stream for either input, output or both.
-
- stream is the address of a PortAudioStream pointer which will receive
- a pointer to the newly opened stream.
-
- inputDevice is the id of the device used for input (see PaDeviceID above.)
- inputDevice may be paNoDevice to indicate that an input device is not required.
-
- numInputChannels is the number of channels of sound to be delivered to the
- callback. It can range from 1 to the value of maxInputChannels in the
- device input record for the device specified in the inputDevice parameter.
- If inputDevice is paNoDevice numInputChannels is ignored.
-
- inputSampleFormat is the format of inputBuffer provided to the callback
- function. inputSampleFormat may be any of the formats described by the
- PaSampleFormat enumeration (see above). PortAudio guarantees support for
- the sound devices native formats (nativeSampleFormats in the device info
- record) and additionally 16 and 32 bit integer and 32 bit floating point
- formats. Support for other formats is implementation defined.
-
- inputDriverInfo is a pointer to an optional driver specific data structure
- containing additional information for device setup or stream processing.
- inputDriverInfo is never required for correct operation. If not used
- inputDriverInfo should be NULL.
-
- outputDevice is the id of the device used for output (see PaDeviceID above.)
- outputDevice may be paNoDevice to indicate that an output device is not required.
-
- numOutputChannels is the number of channels of sound to be supplied by the
- callback. See the definition of numInputChannels above for more details.
-
- outputSampleFormat is the sample format of the outputBuffer filled by the
- callback function. See the definition of inputSampleFormat above for more
- details.
-
- outputDriverInfo is a pointer to an optional driver specific data structure
- containing additional information for device setup or stream processing.
- outputDriverInfo is never required for correct operation. If not used
- outputDriverInfo should be NULL.
-
- sampleRate is the desired sampleRate for input and output
-
- framesPerBuffer is the length in sample frames of all internal sample buffers
- used for communication with platform specific audio routines. Wherever
- possible this corresponds to the framesPerBuffer parameter passed to the
- callback function.
-
- numberOfBuffers is the number of buffers used for multibuffered
- communication with the platform specific audio routines. This parameter is
- provided only as a guide - and does not imply that an implementation must
- use multibuffered i/o when reliable double buffering is available (such as
- SndPlayDoubleBuffer() on the Macintosh.)
-
- streamFlags may contain a combination of flags ORed together.
- These flags modify the behavior of the
- streaming process. Some flags may only be relevant to certain buffer formats.
-
- callback is a pointer to a client supplied function that is responsible
- for processing and filling input and output buffers (see above for details.)
-
- userData is a client supplied pointer which is passed to the callback
- function. It could for example, contain a pointer to instance data necessary
- for processing the audio buffers.
-
- return value:
- Apon success Pa_OpenStream() returns PaNoError and places a pointer to a
- valid PortAudioStream in the stream argument. The stream is inactive (stopped).
- If a call to Pa_OpenStream() fails a nonzero error code is returned (see
- PAError above) and the value of stream is invalid.
-
-*/
-
-PaError Pa_OpenStream( PortAudioStream** stream,
- PaDeviceID inputDevice,
- int numInputChannels,
- PaSampleFormat inputSampleFormat,
- void *inputDriverInfo,
- PaDeviceID outputDevice,
- int numOutputChannels,
- PaSampleFormat outputSampleFormat,
- void *outputDriverInfo,
- double sampleRate,
- unsigned long framesPerBuffer,
- unsigned long numberOfBuffers,
- PaStreamFlags streamFlags,
- PortAudioCallback *callback,
- void *userData );
-
-
-/*
- Pa_OpenDefaultStream() is a simplified version of Pa_OpenStream() that
- opens the default input and/or ouput devices. Most parameters have
- identical meaning to their Pa_OpenStream() counterparts, with the following
- exceptions:
-
- If either numInputChannels or numOutputChannels is 0 the respective device
- is not opened (same as passing paNoDevice in the device arguments to Pa_OpenStream() )
-
- sampleFormat applies to both the input and output buffers.
-*/
-
-PaError Pa_OpenDefaultStream( PortAudioStream** stream,
- int numInputChannels,
- int numOutputChannels,
- PaSampleFormat sampleFormat,
- double sampleRate,
- unsigned long framesPerBuffer,
- unsigned long numberOfBuffers,
- PortAudioCallback *callback,
- void *userData );
-
-/*
- Pa_CloseStream() closes an audio stream, flushing any pending buffers.
-*/
-
-PaError Pa_CloseStream( PortAudioStream* );
-
-/*
- Pa_StartStream() and Pa_StopStream() begin and terminate audio processing.
- Pa_StopStream() waits until all pending audio buffers have been played.
- Pa_AbortStream() stops playing immediately without waiting for pending
- buffers to complete.
-*/
-
-PaError Pa_StartStream( PortAudioStream *stream );
-
-PaError Pa_StopStream( PortAudioStream *stream );
-
-PaError Pa_AbortStream( PortAudioStream *stream );
-
-/*
- Pa_StreamActive() returns one when the stream is playing audio,
- zero when not playing, or a negative error number if the
- stream is invalid.
- The stream is active between calls to Pa_StartStream() and Pa_StopStream(),
- but may also become inactive if the callback returns a non-zero value.
- In the latter case, the stream is considered inactive after the last
- buffer has finished playing.
-*/
-
-PaError Pa_StreamActive( PortAudioStream *stream );
-
-/*
- Pa_StreamTime() returns the current output time for the stream in samples.
- This time may be used as a time reference (for example syncronising audio to
- MIDI).
-*/
-
-PaTimestamp Pa_StreamTime( PortAudioStream *stream );
-
-/*
- The "CPU Load" is a fraction of total CPU time consumed by the
- stream's audio processing.
- A value of 0.5 would imply that PortAudio and the sound generating
- callback was consuming roughly 50% of the available CPU time.
- This function may be called from the callback function or the application.
-*/
-double Pa_GetCPULoad( PortAudioStream* stream );
-
-/*
- Use Pa_GetMinNumBuffers() to determine minimum number of buffers required for
- the current host based on minimum latency.
- On the PC, for the DirectSound implementation, latency can be optionally set
- by user by setting an environment variable.
- For example, to set latency to 200 msec, put:
-
- set PA_MIN_LATENCY_MSEC=200
-
- in the AUTOEXEC.BAT file and reboot.
- If the environment variable is not set, then the latency will be determined
- based on the OS. Windows NT has higher latency than Win95.
-*/
-
-int Pa_GetMinNumBuffers( int framesPerBuffer, double sampleRate );
-
-/*
- Sleep for at least 'msec' milliseconds.
- You may sleep longer than the requested time so don't rely
- on this for accurate musical timing.
-*/
-void Pa_Sleep( long msec );
-
-/*
- Return size in bytes of a single sample in a given PaSampleFormat
- or paSampleFormatNotSupported.
-*/
-PaError Pa_GetSampleSize( PaSampleFormat format );
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
-#endif /* PORT_AUDIO_H */
diff --git a/src/audio/portaudio/docs/portaudio_icmc2001.pdf b/src/audio/portaudio/docs/portaudio_icmc2001.pdf
deleted file mode 100644
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diff --git a/src/audio/portaudio/docs/proposals.html b/src/audio/portaudio/docs/proposals.html
deleted file mode 100644
index 0f9b8cb641..0000000000
--- a/src/audio/portaudio/docs/proposals.html
+++ /dev/null
@@ -1,36 +0,0 @@
-<HTML>
-<HEAD>
-<TITLE>Proposed Changes to PortAudio API</TITLE>
-<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=windows-1252">
-<META content="Phil Burk, Ross Bencina" name=Author>
-<META content="Changes being discussed by the community of PortAudio deveopers."
-name=Description>
-<META
-content="audio, tutorial, library, portable, open-source, DirectSound,sound, music, JSyn, synthesis,"
-name=KeyWords>
-</HEAD>
-<BODY LINK="#0000ff" VLINK="#800080">
-<CENTER>
-<TABLE bgColor=#fada7a cols=1 width="100%">
- <TBODY>
- <TR>
- <TD>
- <CENTER>
- <H1>Proposed Changes to PortAudio API</H1>
- </CENTER>
-</TD></TR></TBODY></TABLE></CENTER>
-<P><A href="http://www.portaudio.com/">PortAudio Home Page</A></P>
-
-<P>Updated: July 27, 2002 </P>
-<H2>The Proposals Have Moved</H2>
-
-<p>
-All PortAudio Enhancement Proposal documentation has moved. On the web site, it is now located at:
-<A HREF="http://www.portaudio.com/docs/proposals">http://www.portaudio.com/docs/proposals</A>
-
-On the CVS server it is now located in a module named "pa_proposals".
-</p>
-
-
-</BODY>
-</HTML>
diff --git a/src/audio/portaudio/docs/releases.html b/src/audio/portaudio/docs/releases.html
deleted file mode 100644
index aec80a1cb9..0000000000
--- a/src/audio/portaudio/docs/releases.html
+++ /dev/null
@@ -1,339 +0,0 @@
-<!doctype html public "-//w3c//dtd html 4.0 transitional//en">
-<html>
-<head>
- <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
- <meta name="GENERATOR" content="Mozilla/4.79 [en] (Windows NT 5.0; U) [Netscape]">
- <meta name="Author" content="Phil Burk">
- <meta name="Description" content="PortAudio is a cross platform, open-source, audio I/O library.It provides a very simple API for recording and/or playing sound using a simple callback function.">
- <meta name="KeyWords" content="audio, library, portable, open-source, DirectSound,sound, music, JSyn, synthesis,">
- <title>PortAudio Release Notes</title>
-</head>
-<body>
-
-<center><table COLS=1 WIDTH="100%" BGCOLOR="#FADA7A" >
-<tr>
-<td>
-<center>
-<h1>
-PortAudio - Release Notes</h1></center>
-</td>
-</tr>
-</table></center>
-
-<p>Link to <a href="http://www.portaudio.com">PortAudio Home Page</a>
-<h2>
-<b>V18 - 5/6/02</b></h2>
-
-<blockquote>All source code and documentation now under <a href="http://www.portaudio.com/usingcvs.html">CVS</a>.
-<p>Ran most of the code through <a href="http://astyle.sourceforge.net/">AStyle</a>
-to cleanup ragged indentation caused by using different editors. Used this
-command:
-<br><tt> astyle --style=ansi -c -o --convert-tabs --indent-preprocessor
-*.c</tt></blockquote>
-
-<blockquote>Added "pa_common/pa_convert.c" for Mac OS X. Start of new conversion
-utilities.
-<p><b>ASIO</b>
-<ul>
-<li>
-New Pa_ASIO_Adaptor_Init function to init Callback adpatation variables,</li>
-
-<li>
-Cleanup of Pa_ASIO_Callback_Input</li>
-
-<li>
-Break apart device loading to debug random failure in Pa_ASIO_QueryDeviceInfo</li>
-
-<li>
-Deallocate all resources in PaHost_Term for cases where Pa_CloseStream
-is not called properly</li>
-
-<li>
-New Pa_ASIO_loadDriver that calls CoInitialize on each thread on Windows.
-Allows use by multiple threads.</li>
-
-<li>
-Correct error code management in PaHost_Term, removed various compiler
-warning</li>
-
-<li>
-Add Mac includes for <Devices.h> and <Timer.h></li>
-
-<li>
-Pa_ASIO_QueryDeviceInfo bug correction, memory allocation checking, better
-error handling</li>
-</ul>
-<b>Mac OS X</b>
-<ul>
-<li>
-Major cleanup and improvements.</li>
-
-<li>
-Fixed device queries for numChannels and sampleRates,</li>
-
-<li>
-Audio input works if using same CoreAudio device (some HW devices make
-separate CoreAudio devices).</li>
-
-<li>
-Added paInt16, paInt8, format using new "pa_common/pa_convert.c" file.</li>
-
-<li>
-Return error if opened in mono mode cuz not supported.</li>
-
-<li>
-Check for getenv("PA_MIN_LATEWNCY_MSEC") to set latency externally.</li>
-
-<li>
-Use getrusage() instead of gettimeofday() for CPU Load calculation.</li>
-</ul>
-<b>Windows MME</b>
-<ul>
-<li>
-Fixed bug that caused TIMEOUT in Pa_StopStream(). Added check for past_StopSoon()
-in Pa_TimeSlice(). Thanks Julien Maillard.</li>
-
-<li>
-Detect Win XP versus NT, use lower latency.</li>
-
-<li>
-Fix DBUG typo;</li>
-
-<li>
-removed init of CurrentCount which was not compiling on Borland</li>
-
-<li>
-general cleanup, factored streamData alloc and cpu usage initialization</li>
-
-<li>
-stopped counting WAVE_MAPPER when there were no audio cards plugged in</li>
-</ul>
-<b>Windows DirectSound</b>
-<ul>
-<li>
-Detect Win XP and Win 2K properly when determining latency.</li>
-</ul>
-<b>Unix OSS</b>
-<ul>
-<li>
-Use high real-time priority if app is running with root priveledges. Lowers
-latency.</li>
-
-<li>
-Added watch dog thread that prevents real-time thread from hogging CPU
-and hanging the computer.</li>
-
-<li>
-Check error return from read() and write().</li>
-
-<li>
-Check CPU endianness instead of assuming Little Endian.</li>
-</ul>
-</blockquote>
-
-<h2>
-<b>V17 - 10/15/01</b></h2>
-
-<blockquote><b>Unix OSS</b>
-<ul>
-<li>
-Set num channels back to two after device query for ALSA. This fixed a
-bug in V16 that sometimes caused a failure when querying for the sample
-rates. Thanks Stweart Greenhill.</li>
-</ul>
-</blockquote>
-
-<blockquote>
-<h4>
-<b>Macintosh Sound Manager</b></h4>
-
-<ul>
-<li>
-Use NewSndCallBackUPP() for CARBON compatibility.</li>
-</ul>
-</blockquote>
-
-<h2>
-<b>V16 - 9/27/01</b></h2>
-
-<blockquote><b>Added Alpha implementations for ASIO, SGI, and BeOS!</b>
-<br>
-<li>
-CPULoad is now calculated based on the time spent to generate a known number
-of frames. This is more accurate than a simple percentage of real-time.
-Implemented in pa_unix_oss, pa_win_wmme and pa_win_ds.</li>
-
-<li>
-Fix dither and shift for recording PaUInt8 format data.</li>
-
-<li>
-Added "patest_maxsines.c" which tests <tt>Pa_GetCPULoad().</tt></li>
-</blockquote>
-
-<blockquote>
-<h4>
-Windows WMME</h4>
-
-<ul>
-<li>
-sDevicePtrs now allocated using <tt>GlobalAlloc()</tt>. This prevents a
-crash in Pa_Terminate() on Win2000. Thanks Mike Berry for finding this.
-Thanks Mike Berry.</li>
-
-<li>
-Pass process instead of thread to <tt>SetPriorityClass</tt>(). This fixes
-a bug that caused the priority to not be increased. Thanks to Alberto di
-Bene for spotting this.</li>
-</ul>
-
-<h4>
-Windows DirectSound</h4>
-
-<ul>
-<li>
-Casts for compiling with __MWERKS__ CodeWarrior.</li>
-</ul>
-
-<h4>
-UNIX OSS</h4>
-
-<ul>
-<li>
-Derived from Linux OSS implementation.</li>
-
-<li>
-Numerous patches from Heiko Purnhagen, Stephen Brandon, etc.</li>
-
-<li>
-Improved query mechanism which often bailed out unnecessarily.</li>
-
-<li>
-Removed sNumDevices and potential related bugs,</li>
-
-<li>
-Use <tt>getenv("PA_MIN_LATENCY_MSEC")</tt> in code to set desired latency.
-User can set by entering:</li>
-
-<br> <tt>export PA_MIN_LATENCY_MSEC=40</tt></ul>
-
-<h4>
-Macintosh Sound Manager</h4>
-
-<ul>
-<li>
-Pass unused event to WaitNextEvent instead of NULL to prevent Mac OSX crash.
-Thanks Dominic Mazzoni.</li>
-
-<li>
-Use requested number of input channels.</li>
-
-<br> </ul>
-</blockquote>
-
-<h2>
-<b>V15 - 5/29/01</b></h2>
-
-<blockquote>
-<ul>
-<li>
-<b>New Linux OSS Beta</b></li>
-</ul>
-
-<h4>
-Windows WMME</h4>
-
-<ul>
-<li>
- sDevicePtrs now allocated based on sizeof(pointer). Was allocating
-too much space.</li>
-
-<li>
- Check for excessive numbers of channels. Some drivers reported bogus
-numbers.</li>
-
-<li>
-Apply Mike Berry's changes for CodeWarrior on PC including condition including
-of memory.h, and explicit typecasting on memory allocation.</li>
-</ul>
-
-<h4>
-Macintosh Sound Manager</h4>
-
-<ul>
-<li>
-ScanInputDevices was setting sDefaultOutputDeviceID instead of sDefaultInputDeviceID.</li>
-
-<li>
-Device Scan was crashing for anything other than siBadSoundInDevice, but
-some Macs may return other errors! Caused failure to init on some G4s under
-OS9.</li>
-
-<li>
-Fix TIMEOUT in record mode.</li>
-
-<li>
-Change CARBON_COMPATIBLE to TARGET_API_MAC_CARBON</li>
-</ul>
-</blockquote>
-
-<h2>
-<b>V14 - 2/6/01</b></h2>
-
-<blockquote>
-<ul>
-<li>
-Added implementation for Windows MultiMedia Extensions (WMME) by Ross and
-Phil</li>
-
-<li>
-Changed Pa_StopStream() so that it waits for the buffers to drain.</li>
-
-<li>
-Added Pa_AbortStream() that stops immediately without waiting.</li>
-
-<li>
-Added new test: patest_stop.c to test above two mods.</li>
-
-<li>
-Fixed Pa_StreamTime() so that it returns current play position instead
-of the write position. Added "patest_sync.c" to demo audio/video sync.</li>
-
-<li>
-Improved stability of Macintosh implementation. Added timeouts to prevent
-hangs.</li>
-
-<li>
-Added Pa_GetSampleSize( PaSampleFormat format );</li>
-
-<li>
-Changes some "int"s to "long"s so that PA works properly on Macintosh which
-often compiles using 16 bit ints.</li>
-
-<li>
-Added Implementation Guide</li>
-</ul>
-</blockquote>
-
-<h2>
-<b>V12 - 1/9/01</b></h2>
-
-<blockquote>
-<ul>
-<li>
-Mac now scans for and queries all devices. But it does not yet support
-selecting any other than the default device.</li>
-
-<li>
-Blocking I/O calls renamed to separate them from the PortAudio API.</li>
-
-<li>
-Cleaned up indentation problems with tabs versus spaces.</li>
-
-<li>
-Now attempts to correct bogus sample rate info returned from DirectSound
-device queries.</li>
-</ul>
-</blockquote>
-
-</body>
-</html>
diff --git a/src/audio/portaudio/fixdir.bat b/src/audio/portaudio/fixdir.bat
deleted file mode 100755
index 92d6c7470d..0000000000
--- a/src/audio/portaudio/fixdir.bat
+++ /dev/null
@@ -1,19 +0,0 @@
-rem Use Astyle to fix style in 'C' files
-cd %1%
-
-fixlines -p *.c
-fixlines -p *.cpp
-fixlines -p *.cc
-
-astyle --style=ansi -c -o --convert-tabs --indent-preprocessor *.c
-astyle --style=ansi -c -o --convert-tabs --indent-preprocessor *.cpp
-astyle --style=ansi -c -o --convert-tabs --indent-preprocessor *.cc
-del *.orig
-@rem convert line terminators to Unix style LFs
-fixlines -u *.c
-fixlines -u *.cpp
-fixlines -u *.cc
-fixlines -u *.h
-del *.bak
-
-cd ..\
diff --git a/src/audio/portaudio/fixfile.bat b/src/audio/portaudio/fixfile.bat
deleted file mode 100755
index 48f6fbc2f6..0000000000
--- a/src/audio/portaudio/fixfile.bat
+++ /dev/null
@@ -1,7 +0,0 @@
-rem Use Astyle to fix style in a file
-fixlines -p %1%
-astyle --style=ansi -c -o --convert-tabs --indent-preprocessor %1%
-del %1%.orig
-@rem convert line terminators to Unix style LFs
-fixlines -u %1%
-del %1%.bak
diff --git a/src/audio/portaudio/index.html b/src/audio/portaudio/index.html
deleted file mode 100644
index 91e5b4c382..0000000000
--- a/src/audio/portaudio/index.html
+++ /dev/null
@@ -1,89 +0,0 @@
-<!doctype html public "-//w3c//dtd html 4.0 transitional//en">
-<html>
-<head>
- <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
- <meta name="GENERATOR" content="Mozilla/4.79 [en] (Windows NT 5.0; U) [Netscape]">
- <meta name="Author" content="Phil Burk">
- <meta name="Description" content="PortAudio is a cross platform, open-source, audio I/O library.It provides a very simple API for recording and/or playing sound using a simple callback function.">
- <meta name="KeyWords" content="audio, library, portable, open-source, DirectSound,sound, music, JSyn, synthesis,">
- <title>PortAudio Implementations for DirectSound</title>
-</head>
-<body>
-
-<center><table COLS=1 WIDTH="100%" BGCOLOR="#FADA7A" >
-<tr>
-<td>
-<center>
-<h1>
-PortAudio - Portable Audio Library</h1></center>
-</td>
-</tr>
-</table></center>
-
-<p>Last updated 5/6/02.
-<p>PortAudio is a cross platform, <a href="#License">open-source</a>, audio
-I/O library proposed by <b>Ross Bencina</b> to the <a href="http://shoko.calarts.edu/~glmrboy/musicdsp/music-dsp.html">music-dsp</a>
-mailing list. It lets you write simple audio programs in 'C' that will
-compile and run on <b>Windows, Macintosh, Unix, BeOS</b>. PortAudio is
-intended to promote the exchange of audio synthesis software between developers
-on different platforms.
-<p>For complete information on PortAudio and to download the latest releases,
-please visit "<b><font size=+2><a href="http://www.portaudio.com">http://www.portaudio.com</a></font></b>".
-<br>
-<br>
-<center>
-<h2>
-<b><a href="docs/index.html">Click here for Documentation</a></b></h2></center>
-
-<h2>
-<b><font size=+2></font></b></h2>
-
-<h2>
-<b><font size=+2>Contacts and E-Mail List</font></b></h2>
-
-<ul>
-<li>
-If you are using or implementing PortAudio then please join the <b><font size=+1><a href="http://techweb.rfa.org/mailman/listinfo/portaudio">PortAudio
-mail list</a></font><font size=+2> </font></b>generously administered by
-<b>Bill
-Eldridge</b>.</li>
-
-<li>
-If you find bugs in one of these implementations, or have suggestions,
-please e-mail them to <a href="mailto:philburk@softsynth.com">Phil Burk</a>.</li>
-
-<li>
-If you make improvements to the library, please send them to us so we can
-incorporate the improvements.</li>
-</ul>
-
-<h2>
-<a NAME="License"></a>License</h2>
-PortAudio Portable Real-Time Audio Library
-<br>Copyright (c) 1999-2000 Ross Bencina and Phil Burk
-<p>Permission is hereby granted, free of charge, to any person obtaining
-a copy of this software and associated documentation files (the "Software"),
-to deal in the Software without restriction, including without limitation
-the rights to use, copy, modify, merge, publish, distribute, sublicense,
-and/or sell copies of the Software, and to permit persons to whom the Software
-is furnished to do so, subject to the following conditions:
-<ul>
-<li>
-The above copyright notice and this permission notice shall be included
-in all copies or substantial portions of the Software.</li>
-
-<li>
-Any person wishing to distribute modifications to the Software is requested
-to send the modifications to the original developer so that they can be
-incorporated into the canonical version.</li>
-</ul>
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND ON INFRINGEMENT.
-<br>IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
-CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT
-OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
-THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-<br>
-</body>
-</html>
diff --git a/src/audio/portaudio/install-sh b/src/audio/portaudio/install-sh
deleted file mode 100755
index e9de23842d..0000000000
--- a/src/audio/portaudio/install-sh
+++ /dev/null
@@ -1,251 +0,0 @@
-#!/bin/sh
-#
-# install - install a program, script, or datafile
-# This comes from X11R5 (mit/util/scripts/install.sh).
-#
-# Copyright 1991 by the Massachusetts Institute of Technology
-#
-# Permission to use, copy, modify, distribute, and sell this software and its
-# documentation for any purpose is hereby granted without fee, provided that
-# the above copyright notice appear in all copies and that both that
-# copyright notice and this permission notice appear in supporting
-# documentation, and that the name of M.I.T. not be used in advertising or
-# publicity pertaining to distribution of the software without specific,
-# written prior permission. M.I.T. makes no representations about the
-# suitability of this software for any purpose. It is provided "as is"
-# without express or implied warranty.
-#
-# Calling this script install-sh is preferred over install.sh, to prevent
-# `make' implicit rules from creating a file called install from it
-# when there is no Makefile.
-#
-# This script is compatible with the BSD install script, but was written
-# from scratch. It can only install one file at a time, a restriction
-# shared with many OS's install programs.
-
-
-# set DOITPROG to echo to test this script
-
-# Don't use :- since 4.3BSD and earlier shells don't like it.
-doit="${DOITPROG-}"
-
-
-# put in absolute paths if you don't have them in your path; or use env. vars.
-
-mvprog="${MVPROG-mv}"
-cpprog="${CPPROG-cp}"
-chmodprog="${CHMODPROG-chmod}"
-chownprog="${CHOWNPROG-chown}"
-chgrpprog="${CHGRPPROG-chgrp}"
-stripprog="${STRIPPROG-strip}"
-rmprog="${RMPROG-rm}"
-mkdirprog="${MKDIRPROG-mkdir}"
-
-transformbasename=""
-transform_arg=""
-instcmd="$mvprog"
-chmodcmd="$chmodprog 0755"
-chowncmd=""
-chgrpcmd=""
-stripcmd=""
-rmcmd="$rmprog -f"
-mvcmd="$mvprog"
-src=""
-dst=""
-dir_arg=""
-
-while [ x"$1" != x ]; do
- case $1 in
- -c) instcmd="$cpprog"
- shift
- continue;;
-
- -d) dir_arg=true
- shift
- continue;;
-
- -m) chmodcmd="$chmodprog $2"
- shift
- shift
- continue;;
-
- -o) chowncmd="$chownprog $2"
- shift
- shift
- continue;;
-
- -g) chgrpcmd="$chgrpprog $2"
- shift
- shift
- continue;;
-
- -s) stripcmd="$stripprog"
- shift
- continue;;
-
- -t=*) transformarg=`echo $1 | sed 's/-t=//'`
- shift
- continue;;
-
- -b=*) transformbasename=`echo $1 | sed 's/-b=//'`
- shift
- continue;;
-
- *) if [ x"$src" = x ]
- then
- src=$1
- else
- # this colon is to work around a 386BSD /bin/sh bug
- :
- dst=$1
- fi
- shift
- continue;;
- esac
-done
-
-if [ x"$src" = x ]
-then
- echo "install: no input file specified"
- exit 1
-else
- true
-fi
-
-if [ x"$dir_arg" != x ]; then
- dst=$src
- src=""
-
- if [ -d $dst ]; then
- instcmd=:
- chmodcmd=""
- else
- instcmd=mkdir
- fi
-else
-
-# Waiting for this to be detected by the "$instcmd $src $dsttmp" command
-# might cause directories to be created, which would be especially bad
-# if $src (and thus $dsttmp) contains '*'.
-
- if [ -f $src -o -d $src ]
- then
- true
- else
- echo "install: $src does not exist"
- exit 1
- fi
-
- if [ x"$dst" = x ]
- then
- echo "install: no destination specified"
- exit 1
- else
- true
- fi
-
-# If destination is a directory, append the input filename; if your system
-# does not like double slashes in filenames, you may need to add some logic
-
- if [ -d $dst ]
- then
- dst="$dst"/`basename $src`
- else
- true
- fi
-fi
-
-## this sed command emulates the dirname command
-dstdir=`echo $dst | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
-
-# Make sure that the destination directory exists.
-# this part is taken from Noah Friedman's mkinstalldirs script
-
-# Skip lots of stat calls in the usual case.
-if [ ! -d "$dstdir" ]; then
-defaultIFS='
-'
-IFS="${IFS-${defaultIFS}}"
-
-oIFS="${IFS}"
-# Some sh's can't handle IFS=/ for some reason.
-IFS='%'
-set - `echo ${dstdir} | sed -e 's@/@%@g' -e 's@^%@/@'`
-IFS="${oIFS}"
-
-pathcomp=''
-
-while [ $# -ne 0 ] ; do
- pathcomp="${pathcomp}${1}"
- shift
-
- if [ ! -d "${pathcomp}" ] ;
- then
- $mkdirprog "${pathcomp}"
- else
- true
- fi
-
- pathcomp="${pathcomp}/"
-done
-fi
-
-if [ x"$dir_arg" != x ]
-then
- $doit $instcmd $dst &&
-
- if [ x"$chowncmd" != x ]; then $doit $chowncmd $dst; else true ; fi &&
- if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dst; else true ; fi &&
- if [ x"$stripcmd" != x ]; then $doit $stripcmd $dst; else true ; fi &&
- if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dst; else true ; fi
-else
-
-# If we're going to rename the final executable, determine the name now.
-
- if [ x"$transformarg" = x ]
- then
- dstfile=`basename $dst`
- else
- dstfile=`basename $dst $transformbasename |
- sed $transformarg`$transformbasename
- fi
-
-# don't allow the sed command to completely eliminate the filename
-
- if [ x"$dstfile" = x ]
- then
- dstfile=`basename $dst`
- else
- true
- fi
-
-# Make a temp file name in the proper directory.
-
- dsttmp=$dstdir/#inst.$$#
-
-# Move or copy the file name to the temp name
-
- $doit $instcmd $src $dsttmp &&
-
- trap "rm -f ${dsttmp}" 0 &&
-
-# and set any options; do chmod last to preserve setuid bits
-
-# If any of these fail, we abort the whole thing. If we want to
-# ignore errors from any of these, just make sure not to ignore
-# errors from the above "$doit $instcmd $src $dsttmp" command.
-
- if [ x"$chowncmd" != x ]; then $doit $chowncmd $dsttmp; else true;fi &&
- if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dsttmp; else true;fi &&
- if [ x"$stripcmd" != x ]; then $doit $stripcmd $dsttmp; else true;fi &&
- if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dsttmp; else true;fi &&
-
-# Now rename the file to the real destination.
-
- $doit $rmcmd -f $dstdir/$dstfile &&
- $doit $mvcmd $dsttmp $dstdir/$dstfile
-
-fi &&
-
-
-exit 0
diff --git a/src/audio/portaudio/pa_asio/ASIO-README.txt b/src/audio/portaudio/pa_asio/ASIO-README.txt
deleted file mode 100644
index 9fb74ae16d..0000000000
--- a/src/audio/portaudio/pa_asio/ASIO-README.txt
+++ /dev/null
@@ -1,137 +0,0 @@
-ASIO-README.txt
-
-This document contains information to help you compile PortAudio with
-ASIO support. If you find any omissions or errors in this document
-please notify Ross Bencina <rossb@audiomulch.com>.
-
-
-Building PortAudio with ASIO support
-------------------------------------
-
-To build PortAudio with ASIO support you need to compile and link with
-pa_asio.c, and files from the ASIO SDK (see below), along with the common
-files from pa_common/ and platform specific files from pa_win/ (for Win32)
-or pa_mac/ (for Macintosh).
-
-If you are compiling with a non-Microsoft compiler on windows, also
-compile and link with iasiothiscallresolver.cpp (see below for
-an explanation).
-
-For some platforms (MingW, possibly Mac), you may simply
-be able to type:
-
-./configure --with-host_os=mingw --with-winapi=asio [--with-asiodir=/usr/local/asiosdk2]
-make
-
-./configure --with-host_os=darwin --with-winapi=asio [--with-asiodir=/usr/local/asiosdk2]
-make
-
-and life will be good.
-
-
-Obtaining the ASIO SDK
-----------------------
-
-In order to build PortAudio with ASIO support, you need to download
-the ASIO SDK (version 2.0) from Steinberg. Steinberg makes the ASIO
-SDK available to anyone free of charge, however they do not permit its
-source code to be distributed.
-
-NOTE: In some cases the ASIO SDK may require patching, see below
-for further details.
-
-http://www.steinberg.net/en/ps/support/3rdparty/asio_sdk/
-
-If the above link is broken search Google for:
-"download steinberg ASIO SDK"
-
-
-
-Building the ASIO SDK on Macintosh
-----------------------------------
-
-To build the ASIO SDK on Macintosh you need to compile and link with the
-following files from the ASIO SDK:
-
-host/asiodrivers.cpp
-host/mac/asioshlib.cpp
-host/mac/codefragements.cpp
-
-
-
-Building the ASIO SDK on Windows
---------------------------------
-
-To build the ASIO SDK on Windows you need to compile and link with the
-following files from the ASIO SDK:
-
-asio_sdk\common\asio.cpp
-asio_sdk\host\asiodrivers.cpp
-asio_sdk\host\pc\asiolist.cpp
-
-You may also need to adjust your include paths to support inclusion of
-header files from the above directories.
-
-The ASIO SDK depends on the following COM API functions:
-CoInitialize, CoUninitialize, CoCreateInstance, CLSIDFromString
-For compilation with MinGW you will need to link with -lole32, for
-Borland link with Import32.lib.
-
-
-
-Non-Microsoft (MSVC) Compilers on Windows including Borland and GCC
--------------------------------------------------------------------
-
-Steinberg did not specify a calling convention in the IASIO interface
-definition. This causes the Microsoft compiler to use the proprietary
-thiscall convention which is not compatible with other compilers, such
-as compilers from Borland (BCC and C++Builder) and GNU (gcc).
-Steinberg's ASIO SDK will compile but crash on initialization if
-compiled with a non-Microsoft compiler on Windows.
-
-PortAudio solves this problem using the iasiothiscallresolver library
-which is included in the distribution. When building ASIO support for
-non-Microsoft compilers, be sure to compile and link with
-iasiothiscallresolver.cpp. Note that iasiothiscallresolver includes
-conditional directives which cause it to have no effect if it is
-compiled with a Microsoft compiler, or on the Macintosh.
-
-If you use configure and make (see above), this should be handled
-automatically for you.
-
-For further information about the IASIO thiscall problem see this page:
-http://www.audiomulch.com/~rossb/code/calliasio
-
-
-
-Macintosh ASIO SDK Bug Patch
-----------------------------
-
-There is a bug in the ASIO SDK that causes the Macintosh version to
-often fail during initialization. Below is a patch that you can apply.
-
-In codefragments.cpp replace getFrontProcessDirectory function with
-the following one (GetFrontProcess replaced by GetCurrentProcess).
-
-
-bool CodeFragments::getFrontProcessDirectory(void *specs)
-{
- FSSpec *fss = (FSSpec *)specs;
- ProcessInfoRec pif;
- ProcessSerialNumber psn;
-
- memset(&psn,0,(long)sizeof(ProcessSerialNumber));
- // if(GetFrontProcess(&psn) == noErr) // wrong !!!
- if(GetCurrentProcess(&psn) == noErr) // correct !!!
- {
- pif.processName = 0;
- pif.processAppSpec = fss;
- pif.processInfoLength = sizeof(ProcessInfoRec);
- if(GetProcessInformation(&psn, &pif) == noErr)
- return true;
- }
- return false;
-}
-
-
----
diff --git a/src/audio/portaudio/pa_asio/Callback_adaptation_.pdf b/src/audio/portaudio/pa_asio/Callback_adaptation_.pdf
deleted file mode 100644
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diff --git a/src/audio/portaudio/pa_asio/iasiothiscallresolver.cpp b/src/audio/portaudio/pa_asio/iasiothiscallresolver.cpp
deleted file mode 100644
index 8dfefbd67b..0000000000
--- a/src/audio/portaudio/pa_asio/iasiothiscallresolver.cpp
+++ /dev/null
@@ -1,563 +0,0 @@
-/*
- IASIOThiscallResolver.cpp see the comments in iasiothiscallresolver.h for
- the top level description - this comment describes the technical details of
- the implementation.
-
- The latest version of this file is available from:
- http://www.audiomulch.com/~rossb/code/calliasio
-
- please email comments to Ross Bencina <rossb@audiomulch.com>
-
- BACKGROUND
-
- The IASIO interface declared in the Steinberg ASIO 2 SDK declares
- functions with no explicit calling convention. This causes MSVC++ to default
- to using the thiscall convention, which is a proprietary convention not
- implemented by some non-microsoft compilers - notably borland BCC,
- C++Builder, and gcc. MSVC++ is the defacto standard compiler used by
- Steinberg. As a result of this situation, the ASIO sdk will compile with
- any compiler, however attempting to execute the compiled code will cause a
- crash due to different default calling conventions on non-Microsoft
- compilers.
-
- IASIOThiscallResolver solves the problem by providing an adapter class that
- delegates to the IASIO interface using the correct calling convention
- (thiscall). Due to the lack of support for thiscall in the Borland and GCC
- compilers, the calls have been implemented in assembly language.
-
- A number of macros are defined for thiscall function calls with different
- numbers of parameters, with and without return values - it may be possible
- to modify the format of these macros to make them work with other inline
- assemblers.
-
-
- THISCALL DEFINITION
-
- A number of definitions of the thiscall calling convention are floating
- around the internet. The following definition has been validated against
- output from the MSVC++ compiler:
-
- For non-vararg functions, thiscall works as follows: the object (this)
- pointer is passed in ECX. All arguments are passed on the stack in
- right to left order. The return value is placed in EAX. The callee
- clears the passed arguments from the stack.
-
-
- FINDING FUNCTION POINTERS FROM AN IASIO POINTER
-
- The first field of a COM object is a pointer to its vtble. Thus a pointer
- to an object implementing the IASIO interface also points to a pointer to
- that object's vtbl. The vtble is a table of function pointers for all of
- the virtual functions exposed by the implemented interfaces.
-
- If we consider a variable declared as a pointer to IASO:
-
- IASIO *theAsioDriver
-
- theAsioDriver points to:
-
- object implementing IASIO
- {
- IASIOvtbl *vtbl
- other data
- }
-
- in other words, theAsioDriver points to a pointer to an IASIOvtbl
-
- vtbl points to a table of function pointers:
-
- IASIOvtbl ( interface IASIO : public IUnknown )
- {
- (IUnknown functions)
- 0 virtual HRESULT STDMETHODCALLTYPE (*QueryInterface)(REFIID riid, void **ppv) = 0;
- 4 virtual ULONG STDMETHODCALLTYPE (*AddRef)() = 0;
- 8 virtual ULONG STDMETHODCALLTYPE (*Release)() = 0;
-
- (IASIO functions)
- 12 virtual ASIOBool (*init)(void *sysHandle) = 0;
- 16 virtual void (*getDriverName)(char *name) = 0;
- 20 virtual long (*getDriverVersion)() = 0;
- 24 virtual void (*getErrorMessage)(char *string) = 0;
- 28 virtual ASIOError (*start)() = 0;
- 32 virtual ASIOError (*stop)() = 0;
- 36 virtual ASIOError (*getChannels)(long *numInputChannels, long *numOutputChannels) = 0;
- 40 virtual ASIOError (*getLatencies)(long *inputLatency, long *outputLatency) = 0;
- 44 virtual ASIOError (*getBufferSize)(long *minSize, long *maxSize,
- long *preferredSize, long *granularity) = 0;
- 48 virtual ASIOError (*canSampleRate)(ASIOSampleRate sampleRate) = 0;
- 52 virtual ASIOError (*getSampleRate)(ASIOSampleRate *sampleRate) = 0;
- 56 virtual ASIOError (*setSampleRate)(ASIOSampleRate sampleRate) = 0;
- 60 virtual ASIOError (*getClockSources)(ASIOClockSource *clocks, long *numSources) = 0;
- 64 virtual ASIOError (*setClockSource)(long reference) = 0;
- 68 virtual ASIOError (*getSamplePosition)(ASIOSamples *sPos, ASIOTimeStamp *tStamp) = 0;
- 72 virtual ASIOError (*getChannelInfo)(ASIOChannelInfo *info) = 0;
- 76 virtual ASIOError (*createBuffers)(ASIOBufferInfo *bufferInfos, long numChannels,
- long bufferSize, ASIOCallbacks *callbacks) = 0;
- 80 virtual ASIOError (*disposeBuffers)() = 0;
- 84 virtual ASIOError (*controlPanel)() = 0;
- 88 virtual ASIOError (*future)(long selector,void *opt) = 0;
- 92 virtual ASIOError (*outputReady)() = 0;
- };
-
- The numbers in the left column show the byte offset of each function ptr
- from the beginning of the vtbl. These numbers are used in the code below
- to select different functions.
-
- In order to find the address of a particular function, theAsioDriver
- must first be dereferenced to find the value of the vtbl pointer:
-
- mov eax, theAsioDriver
- mov edx, [theAsioDriver] // edx now points to vtbl[0]
-
- Then an offset must be added to the vtbl pointer to select a
- particular function, for example vtbl+44 points to the slot containing
- a pointer to the getBufferSize function.
-
- Finally vtbl+x must be dereferenced to obtain the value of the function
- pointer stored in that address:
-
- call [edx+44] // call the function pointed to by
- // the value in the getBufferSize field of the vtbl
-
-
- SEE ALSO
-
- Martin Fay's OpenASIO DLL at http://www.martinfay.com solves the same
- problem by providing a new COM interface which wraps IASIO with an
- interface that uses portable calling conventions. OpenASIO must be compiled
- with MSVC, and requires that you ship the OpenASIO DLL with your
- application.
-
-
- ACKNOWLEDGEMENTS
-
- Ross Bencina: worked out the thiscall details above, wrote the original
- Borland asm macros, and a patch for asio.cpp (which is no longer needed).
- Thanks to Martin Fay for introducing me to the issues discussed here,
- and to Rene G. Ceballos for assisting with asm dumps from MSVC++.
-
- Antti Silvast: converted the original calliasio to work with gcc and NASM
- by implementing the asm code in a separate file.
-
- Fraser Adams: modified the original calliasio containing the Borland inline
- asm to add inline asm for gcc i.e. Intel syntax for Borland and AT&T syntax
- for gcc. This seems a neater approach for gcc than to have a separate .asm
- file and it means that we only need one version of the thiscall patch.
-
- Fraser Adams: rewrote the original calliasio patch in the form of the
- IASIOThiscallResolver class in order to avoid modifications to files from
- the Steinberg SDK, which may have had potential licence issues.
-
- Andrew Baldwin: contributed fixes for compatibility problems with more
- recent versions of the gcc assembler.
-*/
-
-
-// We only need IASIOThiscallResolver at all if we are on Win32. For other
-// platforms we simply bypass the IASIOThiscallResolver definition to allow us
-// to be safely #include'd whatever the platform to keep client code portable
-#if defined(WIN32) || defined(_WIN32) || defined(__WIN32__)
-
-
-// If microsoft compiler we can call IASIO directly so IASIOThiscallResolver
-// is not used.
-#if !defined(_MSC_VER)
-
-
-#include <new>
-#include <assert.h>
-
-// We have a mechanism in iasiothiscallresolver.h to ensure that asio.h is
-// #include'd before it in client code, we do NOT want to do this test here.
-#define iasiothiscallresolver_sourcefile 1
-#include "iasiothiscallresolver.h"
-#undef iasiothiscallresolver_sourcefile
-
-// iasiothiscallresolver.h redefines ASIOInit for clients, but we don't want
-// this macro defined in this translation unit.
-#undef ASIOInit
-
-
-// theAsioDriver is a global pointer to the current IASIO instance which the
-// ASIO SDK uses to perform all actions on the IASIO interface. We substitute
-// our own forwarding interface into this pointer.
-extern IASIO* theAsioDriver;
-
-
-// The following macros define the inline assembler for BORLAND first then gcc
-
-#if defined(__BCPLUSPLUS__) || defined(__BORLANDC__)
-
-
-#define CALL_THISCALL_0( resultName, thisPtr, funcOffset )\
- void *this_ = (thisPtr); \
- __asm { \
- mov ecx, this_ ; \
- mov eax, [ecx] ; \
- call [eax+funcOffset] ; \
- mov resultName, eax ; \
- }
-
-
-#define CALL_VOID_THISCALL_1( thisPtr, funcOffset, param1 )\
- void *this_ = (thisPtr); \
- __asm { \
- mov eax, param1 ; \
- push eax ; \
- mov ecx, this_ ; \
- mov eax, [ecx] ; \
- call [eax+funcOffset] ; \
- }
-
-
-#define CALL_THISCALL_1( resultName, thisPtr, funcOffset, param1 )\
- void *this_ = (thisPtr); \
- __asm { \
- mov eax, param1 ; \
- push eax ; \
- mov ecx, this_ ; \
- mov eax, [ecx] ; \
- call [eax+funcOffset] ; \
- mov resultName, eax ; \
- }
-
-
-#define CALL_THISCALL_1_DOUBLE( resultName, thisPtr, funcOffset, param1 )\
- void *this_ = (thisPtr); \
- void *doubleParamPtr_ (¶m1); \
- __asm { \
- mov eax, doubleParamPtr_ ; \
- push [eax+4] ; \
- push [eax] ; \
- mov ecx, this_ ; \
- mov eax, [ecx] ; \
- call [eax+funcOffset] ; \
- mov resultName, eax ; \
- }
-
-
-#define CALL_THISCALL_2( resultName, thisPtr, funcOffset, param1, param2 )\
- void *this_ = (thisPtr); \
- __asm { \
- mov eax, param2 ; \
- push eax ; \
- mov eax, param1 ; \
- push eax ; \
- mov ecx, this_ ; \
- mov eax, [ecx] ; \
- call [eax+funcOffset] ; \
- mov resultName, eax ; \
- }
-
-
-#define CALL_THISCALL_4( resultName, thisPtr, funcOffset, param1, param2, param3, param4 )\
- void *this_ = (thisPtr); \
- __asm { \
- mov eax, param4 ; \
- push eax ; \
- mov eax, param3 ; \
- push eax ; \
- mov eax, param2 ; \
- push eax ; \
- mov eax, param1 ; \
- push eax ; \
- mov ecx, this_ ; \
- mov eax, [ecx] ; \
- call [eax+funcOffset] ; \
- mov resultName, eax ; \
- }
-
-
-#elif defined(__GNUC__)
-
-
-#define CALL_THISCALL_0( resultName, thisPtr, funcOffset ) \
- __asm__ __volatile__ ("movl (%1), %%edx\n\t" \
- "call *"#funcOffset"(%%edx)\n\t" \
- :"=a"(resultName) /* Output Operands */ \
- :"c"(thisPtr) /* Input Operands */ \
- ); \
-
-
-#define CALL_VOID_THISCALL_1( thisPtr, funcOffset, param1 ) \
- __asm__ __volatile__ ("pushl %0\n\t" \
- "movl (%1), %%edx\n\t" \
- "call *"#funcOffset"(%%edx)\n\t" \
- : /* Output Operands */ \
- :"r"(param1), /* Input Operands */ \
- "c"(thisPtr) \
- ); \
-
-
-#define CALL_THISCALL_1( resultName, thisPtr, funcOffset, param1 ) \
- __asm__ __volatile__ ("pushl %1\n\t" \
- "movl (%2), %%edx\n\t" \
- "call *"#funcOffset"(%%edx)\n\t" \
- :"=a"(resultName) /* Output Operands */ \
- :"r"(param1), /* Input Operands */ \
- "c"(thisPtr) \
- ); \
-
-
-#define CALL_THISCALL_1_DOUBLE( resultName, thisPtr, funcOffset, param1 ) \
- __asm__ __volatile__ ("pushl 4(%1)\n\t" \
- "pushl (%1)\n\t" \
- "movl (%2), %%edx\n\t" \
- "call *"#funcOffset"(%%edx);\n\t" \
- :"=a"(resultName) /* Output Operands */ \
- :"a"(¶m1), /* Input Operands */ \
- /* Note: Using "r" above instead of "a" fails */ \
- /* when using GCC 3.3.3, and maybe later versions*/\
- "c"(thisPtr) \
- ); \
-
-
-#define CALL_THISCALL_2( resultName, thisPtr, funcOffset, param1, param2 ) \
- __asm__ __volatile__ ("pushl %1\n\t" \
- "pushl %2\n\t" \
- "movl (%3), %%edx\n\t" \
- "call *"#funcOffset"(%%edx)\n\t" \
- :"=a"(resultName) /* Output Operands */ \
- :"r"(param2), /* Input Operands */ \
- "r"(param1), \
- "c"(thisPtr) \
- ); \
-
-
-#define CALL_THISCALL_4( resultName, thisPtr, funcOffset, param1, param2, param3, param4 )\
- __asm__ __volatile__ ("pushl %1\n\t" \
- "pushl %2\n\t" \
- "pushl %3\n\t" \
- "pushl %4\n\t" \
- "movl (%5), %%edx\n\t" \
- "call *"#funcOffset"(%%edx)\n\t" \
- :"=a"(resultName) /* Output Operands */ \
- :"r"(param4), /* Input Operands */ \
- "r"(param3), \
- "r"(param2), \
- "r"(param1), \
- "c"(thisPtr) \
- ); \
-
-#endif
-
-
-
-// Our static singleton instance.
-IASIOThiscallResolver IASIOThiscallResolver::instance;
-
-// Constructor called to initialize static Singleton instance above. Note that
-// it is important not to clear that_ incase it has already been set by the call
-// to placement new in ASIOInit().
-IASIOThiscallResolver::IASIOThiscallResolver()
-{
-}
-
-// Constructor called from ASIOInit() below
-IASIOThiscallResolver::IASIOThiscallResolver(IASIO* that)
-: that_( that )
-{
-}
-
-// Implement IUnknown methods as assert(false). IASIOThiscallResolver is not
-// really a COM object, just a wrapper which will work with the ASIO SDK.
-// If you wanted to use ASIO without the SDK you might want to implement COM
-// aggregation in these methods.
-HRESULT STDMETHODCALLTYPE IASIOThiscallResolver::QueryInterface(REFIID riid, void **ppv)
-{
- (void)riid; // suppress unused variable warning
-
- assert( false ); // this function should never be called by the ASIO SDK.
-
- *ppv = NULL;
- return E_NOINTERFACE;
-}
-
-ULONG STDMETHODCALLTYPE IASIOThiscallResolver::AddRef()
-{
- assert( false ); // this function should never be called by the ASIO SDK.
-
- return 1;
-}
-
-ULONG STDMETHODCALLTYPE IASIOThiscallResolver::Release()
-{
- assert( false ); // this function should never be called by the ASIO SDK.
-
- return 1;
-}
-
-
-// Implement the IASIO interface methods by performing the vptr manipulation
-// described above then delegating to the real implementation.
-ASIOBool IASIOThiscallResolver::init(void *sysHandle)
-{
- ASIOBool result;
- CALL_THISCALL_1( result, that_, 12, sysHandle );
- return result;
-}
-
-void IASIOThiscallResolver::getDriverName(char *name)
-{
- CALL_VOID_THISCALL_1( that_, 16, name );
-}
-
-long IASIOThiscallResolver::getDriverVersion()
-{
- ASIOBool result;
- CALL_THISCALL_0( result, that_, 20 );
- return result;
-}
-
-void IASIOThiscallResolver::getErrorMessage(char *string)
-{
- CALL_VOID_THISCALL_1( that_, 24, string );
-}
-
-ASIOError IASIOThiscallResolver::start()
-{
- ASIOBool result;
- CALL_THISCALL_0( result, that_, 28 );
- return result;
-}
-
-ASIOError IASIOThiscallResolver::stop()
-{
- ASIOBool result;
- CALL_THISCALL_0( result, that_, 32 );
- return result;
-}
-
-ASIOError IASIOThiscallResolver::getChannels(long *numInputChannels, long *numOutputChannels)
-{
- ASIOBool result;
- CALL_THISCALL_2( result, that_, 36, numInputChannels, numOutputChannels );
- return result;
-}
-
-ASIOError IASIOThiscallResolver::getLatencies(long *inputLatency, long *outputLatency)
-{
- ASIOBool result;
- CALL_THISCALL_2( result, that_, 40, inputLatency, outputLatency );
- return result;
-}
-
-ASIOError IASIOThiscallResolver::getBufferSize(long *minSize, long *maxSize,
- long *preferredSize, long *granularity)
-{
- ASIOBool result;
- CALL_THISCALL_4( result, that_, 44, minSize, maxSize, preferredSize, granularity );
- return result;
-}
-
-ASIOError IASIOThiscallResolver::canSampleRate(ASIOSampleRate sampleRate)
-{
- ASIOBool result;
- CALL_THISCALL_1_DOUBLE( result, that_, 48, sampleRate );
- return result;
-}
-
-ASIOError IASIOThiscallResolver::getSampleRate(ASIOSampleRate *sampleRate)
-{
- ASIOBool result;
- CALL_THISCALL_1( result, that_, 52, sampleRate );
- return result;
-}
-
-ASIOError IASIOThiscallResolver::setSampleRate(ASIOSampleRate sampleRate)
-{
- ASIOBool result;
- CALL_THISCALL_1_DOUBLE( result, that_, 56, sampleRate );
- return result;
-}
-
-ASIOError IASIOThiscallResolver::getClockSources(ASIOClockSource *clocks, long *numSources)
-{
- ASIOBool result;
- CALL_THISCALL_2( result, that_, 60, clocks, numSources );
- return result;
-}
-
-ASIOError IASIOThiscallResolver::setClockSource(long reference)
-{
- ASIOBool result;
- CALL_THISCALL_1( result, that_, 64, reference );
- return result;
-}
-
-ASIOError IASIOThiscallResolver::getSamplePosition(ASIOSamples *sPos, ASIOTimeStamp *tStamp)
-{
- ASIOBool result;
- CALL_THISCALL_2( result, that_, 68, sPos, tStamp );
- return result;
-}
-
-ASIOError IASIOThiscallResolver::getChannelInfo(ASIOChannelInfo *info)
-{
- ASIOBool result;
- CALL_THISCALL_1( result, that_, 72, info );
- return result;
-}
-
-ASIOError IASIOThiscallResolver::createBuffers(ASIOBufferInfo *bufferInfos,
- long numChannels, long bufferSize, ASIOCallbacks *callbacks)
-{
- ASIOBool result;
- CALL_THISCALL_4( result, that_, 76, bufferInfos, numChannels, bufferSize, callbacks );
- return result;
-}
-
-ASIOError IASIOThiscallResolver::disposeBuffers()
-{
- ASIOBool result;
- CALL_THISCALL_0( result, that_, 80 );
- return result;
-}
-
-ASIOError IASIOThiscallResolver::controlPanel()
-{
- ASIOBool result;
- CALL_THISCALL_0( result, that_, 84 );
- return result;
-}
-
-ASIOError IASIOThiscallResolver::future(long selector,void *opt)
-{
- ASIOBool result;
- CALL_THISCALL_2( result, that_, 88, selector, opt );
- return result;
-}
-
-ASIOError IASIOThiscallResolver::outputReady()
-{
- ASIOBool result;
- CALL_THISCALL_0( result, that_, 92 );
- return result;
-}
-
-
-// Implement our substitute ASIOInit() method
-ASIOError IASIOThiscallResolver::ASIOInit(ASIODriverInfo *info)
-{
- // To ensure that our instance's vptr is correctly constructed, even if
- // ASIOInit is called prior to main(), we explicitly call its constructor
- // (potentially over the top of an existing instance). Note that this is
- // pretty ugly, and is only safe because IASIOThiscallResolver has no
- // destructor and contains no objects with destructors.
- new((void*)&instance) IASIOThiscallResolver( theAsioDriver );
-
- // Interpose between ASIO client code and the real driver.
- theAsioDriver = &instance;
-
- // Note that we never need to switch theAsioDriver back to point to the
- // real driver because theAsioDriver is reset to zero in ASIOExit().
-
- // Delegate to the real ASIOInit
- return ::ASIOInit(info);
-}
-
-
-#endif /* !defined(_MSC_VER) */
-
-#endif /* Win32 */
-
diff --git a/src/audio/portaudio/pa_asio/iasiothiscallresolver.h b/src/audio/portaudio/pa_asio/iasiothiscallresolver.h
deleted file mode 100644
index 2ecfed799a..0000000000
--- a/src/audio/portaudio/pa_asio/iasiothiscallresolver.h
+++ /dev/null
@@ -1,197 +0,0 @@
-// ****************************************************************************
-// File: IASIOThiscallResolver.h
-// Description: The IASIOThiscallResolver class implements the IASIO
-// interface and acts as a proxy to the real IASIO interface by
-// calling through its vptr table using the thiscall calling
-// convention. To put it another way, we interpose
-// IASIOThiscallResolver between ASIO SDK code and the driver.
-// This is necessary because most non-Microsoft compilers don't
-// implement the thiscall calling convention used by IASIO.
-//
-// iasiothiscallresolver.cpp contains the background of this
-// problem plus a technical description of the vptr
-// manipulations.
-//
-// In order to use this mechanism one simply has to add
-// iasiothiscallresolver.cpp to the list of files to compile
-// and #include <iasiothiscallresolver.h>
-//
-// Note that this #include must come after the other ASIO SDK
-// #includes, for example:
-//
-// #include <windows.h>
-// #include <asiosys.h>
-// #include <asio.h>
-// #include <asiodrivers.h>
-// #include <iasiothiscallresolver.h>
-//
-// Actually the important thing is to #include
-// <iasiothiscallresolver.h> after <asio.h>. We have
-// incorporated a test to enforce this ordering.
-//
-// The code transparently takes care of the interposition by
-// using macro substitution to intercept calls to ASIOInit()
-// and ASIOExit(). We save the original ASIO global
-// "theAsioDriver" in our "that" variable, and then set
-// "theAsioDriver" to equal our IASIOThiscallResolver instance.
-//
-// Whilst this method of resolving the thiscall problem requires
-// the addition of #include <iasiothiscallresolver.h> to client
-// code it has the advantage that it does not break the terms
-// of the ASIO licence by publishing it. We are NOT modifying
-// any Steinberg code here, we are merely implementing the IASIO
-// interface in the same way that we would need to do if we
-// wished to provide an open source ASIO driver.
-//
-// For compilation with MinGW -lole32 needs to be added to the
-// linker options. For BORLAND, linking with Import32.lib is
-// sufficient.
-//
-// The dependencies are with: CoInitialize, CoUninitialize,
-// CoCreateInstance, CLSIDFromString - used by asiolist.cpp
-// and are required on Windows whether ThiscallResolver is used
-// or not.
-//
-// Searching for the above strings in the root library path
-// of your compiler should enable the correct libraries to be
-// identified if they aren't immediately obvious.
-//
-// Note that the current implementation of IASIOThiscallResolver
-// is not COM compliant - it does not correctly implement the
-// IUnknown interface. Implementing it is not necessary because
-// it is not called by parts of the ASIO SDK which call through
-// theAsioDriver ptr. The IUnknown methods are implemented as
-// assert(false) to ensure that the code fails if they are
-// ever called.
-// Restrictions: None. Public Domain & Open Source distribute freely
-// You may use IASIOThiscallResolver commercially as well as
-// privately.
-// You the user assume the responsibility for the use of the
-// files, binary or text, and there is no guarantee or warranty,
-// expressed or implied, including but not limited to the
-// implied warranties of merchantability and fitness for a
-// particular purpose. You assume all responsibility and agree
-// to hold no entity, copyright holder or distributors liable
-// for any loss of data or inaccurate representations of data
-// as a result of using IASIOThiscallResolver.
-// Version: 1.4 Added separate macro CALL_THISCALL_1_DOUBLE from
-// Andrew Baldwin, and volatile for whole gcc asm blocks,
-// both for compatibility with newer gcc versions. Cleaned up
-// Borland asm to use one less register.
-// 1.3 Switched to including assert.h for better compatibility.
-// Wrapped entire .h and .cpp contents with a check for
-// _MSC_VER to provide better compatibility with MS compilers.
-// Changed Singleton implementation to use static instance
-// instead of freestore allocated instance. Removed ASIOExit
-// macro as it is no longer needed.
-// 1.2 Removed semicolons from ASIOInit and ASIOExit macros to
-// allow them to be embedded in expressions (if statements).
-// Cleaned up some comments. Removed combase.c dependency (it
-// doesn't compile with BCB anyway) by stubbing IUnknown.
-// 1.1 Incorporated comments from Ross Bencina including things
-// such as changing name from ThiscallResolver to
-// IASIOThiscallResolver, tidying up the constructor, fixing
-// a bug in IASIOThiscallResolver::ASIOExit() and improving
-// portability through the use of conditional compilation
-// 1.0 Initial working version.
-// Created: 6/09/2003
-// Authors: Fraser Adams
-// Ross Bencina
-// Rene G. Ceballos
-// Martin Fay
-// Antti Silvast
-// Andrew Baldwin
-//
-// ****************************************************************************
-
-
-#ifndef included_iasiothiscallresolver_h
-#define included_iasiothiscallresolver_h
-
-// We only need IASIOThiscallResolver at all if we are on Win32. For other
-// platforms we simply bypass the IASIOThiscallResolver definition to allow us
-// to be safely #include'd whatever the platform to keep client code portable
-#if defined(WIN32) || defined(_WIN32) || defined(__WIN32__)
-
-
-// If microsoft compiler we can call IASIO directly so IASIOThiscallResolver
-// is not used.
-#if !defined(_MSC_VER)
-
-
-// The following is in order to ensure that this header is only included after
-// the other ASIO headers (except for the case of iasiothiscallresolver.cpp).
-// We need to do this because IASIOThiscallResolver works by eclipsing the
-// original definition of ASIOInit() with a macro (see below).
-#if !defined(iasiothiscallresolver_sourcefile)
- #if !defined(__ASIO_H)
- #error iasiothiscallresolver.h must be included AFTER asio.h
- #endif
-#endif
-
-#include <windows.h>
-#include <asiodrvr.h> /* From ASIO SDK */
-
-
-class IASIOThiscallResolver : public IASIO {
-private:
- IASIO* that_; // Points to the real IASIO
-
- static IASIOThiscallResolver instance; // Singleton instance
-
- // Constructors - declared private so construction is limited to
- // our Singleton instance
- IASIOThiscallResolver();
- IASIOThiscallResolver(IASIO* that);
-public:
-
- // Methods from the IUnknown interface. We don't fully implement IUnknown
- // because the ASIO SDK never calls these methods through theAsioDriver ptr.
- // These methods are implemented as assert(false).
- virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID riid, void **ppv);
- virtual ULONG STDMETHODCALLTYPE AddRef();
- virtual ULONG STDMETHODCALLTYPE Release();
-
- // Methods from the IASIO interface, implemented as forwarning calls to that.
- virtual ASIOBool init(void *sysHandle);
- virtual void getDriverName(char *name);
- virtual long getDriverVersion();
- virtual void getErrorMessage(char *string);
- virtual ASIOError start();
- virtual ASIOError stop();
- virtual ASIOError getChannels(long *numInputChannels, long *numOutputChannels);
- virtual ASIOError getLatencies(long *inputLatency, long *outputLatency);
- virtual ASIOError getBufferSize(long *minSize, long *maxSize, long *preferredSize, long *granularity);
- virtual ASIOError canSampleRate(ASIOSampleRate sampleRate);
- virtual ASIOError getSampleRate(ASIOSampleRate *sampleRate);
- virtual ASIOError setSampleRate(ASIOSampleRate sampleRate);
- virtual ASIOError getClockSources(ASIOClockSource *clocks, long *numSources);
- virtual ASIOError setClockSource(long reference);
- virtual ASIOError getSamplePosition(ASIOSamples *sPos, ASIOTimeStamp *tStamp);
- virtual ASIOError getChannelInfo(ASIOChannelInfo *info);
- virtual ASIOError createBuffers(ASIOBufferInfo *bufferInfos, long numChannels, long bufferSize, ASIOCallbacks *callbacks);
- virtual ASIOError disposeBuffers();
- virtual ASIOError controlPanel();
- virtual ASIOError future(long selector,void *opt);
- virtual ASIOError outputReady();
-
- // Class method, see ASIOInit() macro below.
- static ASIOError ASIOInit(ASIODriverInfo *info); // Delegates to ::ASIOInit
-};
-
-
-// Replace calls to ASIOInit with our interposing version.
-// This macro enables us to perform thiscall resolution simply by #including
-// <iasiothiscallresolver.h> after the asio #includes (this file _must_ be
-// included _after_ the asio #includes)
-
-#define ASIOInit(name) IASIOThiscallResolver::ASIOInit((name))
-
-
-#endif /* !defined(_MSC_VER) */
-
-#endif /* Win32 */
-
-#endif /* included_iasiothiscallresolver_h */
-
-
diff --git a/src/audio/portaudio/pa_asio/pa_asio.cpp b/src/audio/portaudio/pa_asio/pa_asio.cpp
deleted file mode 100644
index e622ecb743..0000000000
--- a/src/audio/portaudio/pa_asio/pa_asio.cpp
+++ /dev/null
@@ -1,2901 +0,0 @@
-/*
- * $Id$
- * Portable Audio I/O Library for ASIO Drivers
- *
- * Author: Stephane Letz
- * Based on the Open Source API proposed by Ross Bencina
- * Copyright (c) 2000-2002 Stephane Letz, Phil Burk, Ross Bencina
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/* Modification History
-
- 08-03-01 First version : Stephane Letz
- 08-06-01 Tweaks for PC, use C++, buffer allocation, Float32 to Int32 conversion : Phil Burk
- 08-20-01 More conversion, PA_StreamTime, Pa_GetHostError : Stephane Letz
- 08-21-01 PaUInt8 bug correction, implementation of ASIOSTFloat32LSB and ASIOSTFloat32MSB native formats : Stephane Letz
- 08-24-01 MAX_INT32_FP hack, another Uint8 fix : Stephane and Phil
- 08-27-01 Implementation of hostBufferSize < userBufferSize case, better management of the ouput buffer when
- the stream is stopped : Stephane Letz
- 08-28-01 Check the stream pointer for null in bufferSwitchTimeInfo, correct bug in bufferSwitchTimeInfo when
- the stream is stopped : Stephane Letz
- 10-12-01 Correct the PaHost_CalcNumHostBuffers function: computes FramesPerHostBuffer to be the lowest that
- respect requested FramesPerUserBuffer and userBuffersPerHostBuffer : Stephane Letz
- 10-26-01 Management of hostBufferSize and userBufferSize of any size : Stephane Letz
- 10-27-01 Improve calculus of hostBufferSize to be multiple or divisor of userBufferSize if possible : Stephane and Phil
- 10-29-01 Change MAX_INT32_FP to (2147483520.0f) to prevent roundup to 0x80000000 : Phil Burk
- 10-31-01 Clear the ouput buffer and user buffers in PaHost_StartOutput, correct bug in GetFirstMultiple : Stephane Letz
- 11-06-01 Rename functions : Stephane Letz
- 11-08-01 New Pa_ASIO_Adaptor_Init function to init Callback adpatation variables, cleanup of Pa_ASIO_Callback_Input: Stephane Letz
- 11-29-01 Break apart device loading to debug random failure in Pa_ASIO_QueryDeviceInfo ; Phil Burk
- 01-03-02 Desallocate all resources in PaHost_Term for cases where Pa_CloseStream is not called properly : Stephane Letz
- 02-01-02 Cleanup, test of multiple-stream opening : Stephane Letz
- 19-02-02 New Pa_ASIO_loadDriver that calls CoInitialize on each thread on Windows : Stephane Letz
- 09-04-02 Correct error code management in PaHost_Term, removes various compiler warning : Stephane Letz
- 12-04-02 Add Mac includes for <Devices.h> and <Timer.h> : Phil Burk
- 13-04-02 Removes another compiler warning : Stephane Letz
- 30-04-02 Pa_ASIO_QueryDeviceInfo bug correction, memory allocation checking, better error handling : D Viens, P Burk, S Letz
- 12-06-02 Rehashed into new multi-api infrastructure, added support for all ASIO sample formats : Ross Bencina
- 18-06-02 Added pa_asio.h, PaAsio_GetAvailableLatencyValues() : Ross B.
- 21-06-02 Added SelectHostBufferSize() which selects host buffer size based on user latency parameters : Ross Bencina
- ** NOTE maintanance history is now stored in CVS **
-*/
-
-/** @file
-
- Note that specific support for paInputUnderflow, paOutputOverflow and
- paNeverDropInput is not necessary or possible with this driver due to the
- synchronous full duplex double-buffered architecture of ASIO.
-
- @todo check that CoInitialize()/CoUninitialize() are always correctly
- paired, even in error cases.
-
- @todo implement host api specific extension to set i/o buffer sizes in frames
-
- @todo implement ReadStream, WriteStream, GetStreamReadAvailable, GetStreamWriteAvailable
-
- @todo implement IsFormatSupported
-
- @todo work out how to implement stream stoppage from callback and
- implement IsStreamActive properly. Stream stoppage could be implemented
- using a high-priority thread blocked on an Event which is signalled
- by the callback. Or, we could just call ASIO stop from the callback
- and see what happens.
-
- @todo rigorously check asio return codes and convert to pa error codes
-
- @todo Different channels of a multichannel stream can have different sample
- formats, but we assume that all are the same as the first channel for now.
- Fixing this will require the block processor to maintain per-channel
- conversion functions - could get nasty.
-
- @todo investigate whether the asio processNow flag needs to be honoured
-
- @todo handle asioMessages() callbacks in a useful way, or at least document
- what cases we don't handle.
-
- @todo miscellaneous other FIXMEs
-
- @todo provide an asio-specific method for setting the systems specific
- value (aka main window handle) - check that this matches the value
- passed to PaAsio_ShowControlPanel, or remove it entirely from
- PaAsio_ShowControlPanel. - this would allow PaAsio_ShowControlPanel
- to be called for the currently open stream (at present all streams
- must be closed).
-*/
-
-
-
-#include <stdio.h>
-#include <assert.h>
-#include <string.h>
-//#include <values.h>
-
-#include <windows.h>
-#include <mmsystem.h>
-
-#include "portaudio.h"
-#include "pa_asio.h"
-#include "pa_util.h"
-#include "pa_allocation.h"
-#include "pa_hostapi.h"
-#include "pa_stream.h"
-#include "pa_cpuload.h"
-#include "pa_process.h"
-
-#include "asiosys.h"
-#include "asio.h"
-#include "asiodrivers.h"
-#include "iasiothiscallresolver.h"
-
-/*
-#if MAC
-#include <Devices.h>
-#include <Timer.h>
-#include <Math64.h>
-#else
-*/
-/*
-#include <math.h>
-#include <windows.h>
-#include <mmsystem.h>
-*/
-/*
-#endif
-*/
-
-/* external references */
-extern AsioDrivers* asioDrivers ;
-bool loadAsioDriver(char *name);
-
-
-/* We are trying to be compatible with CARBON but this has not been thoroughly tested. */
-/* not tested at all since new code was introduced. */
-#define CARBON_COMPATIBLE (0)
-
-
-
-
-/* prototypes for functions declared in this file */
-
-extern "C" PaError PaAsio_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiIndex hostApiIndex );
-static void Terminate( struct PaUtilHostApiRepresentation *hostApi );
-static PaError OpenStream( struct PaUtilHostApiRepresentation *hostApi,
- PaStream** s,
- const PaStreamParameters *inputParameters,
- const PaStreamParameters *outputParameters,
- double sampleRate,
- unsigned long framesPerBuffer,
- PaStreamFlags streamFlags,
- PaStreamCallback *streamCallback,
- void *userData );
-static PaError IsFormatSupported( struct PaUtilHostApiRepresentation *hostApi,
- const PaStreamParameters *inputParameters,
- const PaStreamParameters *outputParameters,
- double sampleRate );
-static PaError CloseStream( PaStream* stream );
-static PaError StartStream( PaStream *stream );
-static PaError StopStream( PaStream *stream );
-static PaError AbortStream( PaStream *stream );
-static PaError IsStreamStopped( PaStream *s );
-static PaError IsStreamActive( PaStream *stream );
-static PaTime GetStreamTime( PaStream *stream );
-static double GetStreamCpuLoad( PaStream* stream );
-static PaError ReadStream( PaStream* stream, void *buffer, unsigned long frames );
-static PaError WriteStream( PaStream* stream, const void *buffer, unsigned long frames );
-static signed long GetStreamReadAvailable( PaStream* stream );
-static signed long GetStreamWriteAvailable( PaStream* stream );
-
-/* our ASIO callback functions */
-
-static void bufferSwitch(long index, ASIOBool processNow);
-static ASIOTime *bufferSwitchTimeInfo(ASIOTime *timeInfo, long index, ASIOBool processNow);
-static void sampleRateChanged(ASIOSampleRate sRate);
-static long asioMessages(long selector, long value, void* message, double* opt);
-
-static ASIOCallbacks asioCallbacks_ =
- { bufferSwitch, sampleRateChanged, asioMessages, bufferSwitchTimeInfo };
-
-
-#define PA_ASIO_SET_LAST_HOST_ERROR( errorCode, errorText ) \
- PaUtil_SetLastHostErrorInfo( paASIO, errorCode, errorText )
-
-
-static void PaAsio_SetLastSystemError( DWORD errorCode )
-{
- LPVOID lpMsgBuf;
- FormatMessage(
- FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
- NULL,
- errorCode,
- MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
- (LPTSTR) &lpMsgBuf,
- 0,
- NULL
- );
- PaUtil_SetLastHostErrorInfo( paASIO, errorCode, (const char*)lpMsgBuf );
- LocalFree( lpMsgBuf );
-}
-
-#define PA_ASIO_SET_LAST_SYSTEM_ERROR( errorCode ) \
- PaAsio_SetLastSystemError( errorCode )
-
-
-static const char* PaAsio_GetAsioErrorText( ASIOError asioError )
-{
- const char *result;
-
- switch( asioError ){
- case ASE_OK:
- case ASE_SUCCESS: result = "Success"; break;
- case ASE_NotPresent: result = "Hardware input or output is not present or available"; break;
- case ASE_HWMalfunction: result = "Hardware is malfunctioning"; break;
- case ASE_InvalidParameter: result = "Input parameter invalid"; break;
- case ASE_InvalidMode: result = "Hardware is in a bad mode or used in a bad mode"; break;
- case ASE_SPNotAdvancing: result = "Hardware is not running when sample position is inquired"; break;
- case ASE_NoClock: result = "Sample clock or rate cannot be determined or is not present"; break;
- case ASE_NoMemory: result = "Not enough memory for completing the request"; break;
- default: result = "Unknown ASIO error"; break;
- }
-
- return result;
-}
-
-
-#define PA_ASIO_SET_LAST_ASIO_ERROR( asioError ) \
- PaUtil_SetLastHostErrorInfo( paASIO, asioError, PaAsio_GetAsioErrorText( asioError ) )
-
-
-
-
-// Atomic increment and decrement operations
-#if MAC
- /* need to be implemented on Mac */
- inline long PaAsio_AtomicIncrement(volatile long* v) {return ++(*const_cast<long*>(v));}
- inline long PaAsio_AtomicDecrement(volatile long* v) {return --(*const_cast<long*>(v));}
-#elif WINDOWS
- inline long PaAsio_AtomicIncrement(volatile long* v) {return InterlockedIncrement(const_cast<long*>(v));}
- inline long PaAsio_AtomicDecrement(volatile long* v) {return InterlockedDecrement(const_cast<long*>(v));}
-#endif
-
-
-
-typedef struct PaAsioDriverInfo
-{
- ASIODriverInfo asioDriverInfo;
- long inputChannelCount, outputChannelCount;
- long bufferMinSize, bufferMaxSize, bufferPreferredSize, bufferGranularity;
- bool postOutput;
-}
-PaAsioDriverInfo;
-
-
-/* PaAsioHostApiRepresentation - host api datastructure specific to this implementation */
-
-typedef struct
-{
- PaUtilHostApiRepresentation inheritedHostApiRep;
- PaUtilStreamInterface callbackStreamInterface;
- PaUtilStreamInterface blockingStreamInterface;
-
- PaUtilAllocationGroup *allocations;
-
- void *systemSpecific;
-
- /* the ASIO C API only allows one ASIO driver to be open at a time,
- so we keep track of whether we have the driver open here, and
- use this information to return errors from OpenStream if the
- driver is already open.
-
- openAsioDeviceIndex will be PaNoDevice if there is no device open
- and a valid pa_asio (not global) device index otherwise.
-
- openAsioDriverInfo is populated with the driver info for the
- currently open device (if any)
- */
- PaDeviceIndex openAsioDeviceIndex;
- PaAsioDriverInfo openAsioDriverInfo;
-}
-PaAsioHostApiRepresentation;
-
-
-/*
- Retrieve <driverCount> driver names from ASIO, returned in a char**
- allocated in <group>.
-*/
-static char **GetAsioDriverNames( PaUtilAllocationGroup *group, long driverCount )
-{
- char **result = 0;
- int i;
-
- result =(char**)PaUtil_GroupAllocateMemory(
- group, sizeof(char*) * driverCount );
- if( !result )
- goto error;
-
- result[0] = (char*)PaUtil_GroupAllocateMemory(
- group, 32 * driverCount );
- if( !result[0] )
- goto error;
-
- for( i=0; i<driverCount; ++i )
- result[i] = result[0] + (32 * i);
-
- asioDrivers->getDriverNames( result, driverCount );
-
-error:
- return result;
-}
-
-
-static PaSampleFormat AsioSampleTypeToPaNativeSampleFormat(ASIOSampleType type)
-{
- switch (type) {
- case ASIOSTInt16MSB:
- case ASIOSTInt16LSB:
- return paInt16;
-
- case ASIOSTFloat32MSB:
- case ASIOSTFloat32LSB:
- case ASIOSTFloat64MSB:
- case ASIOSTFloat64LSB:
- return paFloat32;
-
- case ASIOSTInt32MSB:
- case ASIOSTInt32LSB:
- case ASIOSTInt32MSB16:
- case ASIOSTInt32LSB16:
- case ASIOSTInt32MSB18:
- case ASIOSTInt32MSB20:
- case ASIOSTInt32MSB24:
- case ASIOSTInt32LSB18:
- case ASIOSTInt32LSB20:
- case ASIOSTInt32LSB24:
- return paInt32;
-
- case ASIOSTInt24MSB:
- case ASIOSTInt24LSB:
- return paInt24;
-
- default:
- return paCustomFormat;
- }
-}
-
-void AsioSampleTypeLOG(ASIOSampleType type)
-{
- switch (type) {
- case ASIOSTInt16MSB: PA_DEBUG(("ASIOSTInt16MSB\n")); break;
- case ASIOSTInt16LSB: PA_DEBUG(("ASIOSTInt16LSB\n")); break;
- case ASIOSTFloat32MSB:PA_DEBUG(("ASIOSTFloat32MSB\n"));break;
- case ASIOSTFloat32LSB:PA_DEBUG(("ASIOSTFloat32LSB\n"));break;
- case ASIOSTFloat64MSB:PA_DEBUG(("ASIOSTFloat64MSB\n"));break;
- case ASIOSTFloat64LSB:PA_DEBUG(("ASIOSTFloat64LSB\n"));break;
- case ASIOSTInt32MSB: PA_DEBUG(("ASIOSTInt32MSB\n")); break;
- case ASIOSTInt32LSB: PA_DEBUG(("ASIOSTInt32LSB\n")); break;
- case ASIOSTInt32MSB16:PA_DEBUG(("ASIOSTInt32MSB16\n"));break;
- case ASIOSTInt32LSB16:PA_DEBUG(("ASIOSTInt32LSB16\n"));break;
- case ASIOSTInt32MSB18:PA_DEBUG(("ASIOSTInt32MSB18\n"));break;
- case ASIOSTInt32MSB20:PA_DEBUG(("ASIOSTInt32MSB20\n"));break;
- case ASIOSTInt32MSB24:PA_DEBUG(("ASIOSTInt32MSB24\n"));break;
- case ASIOSTInt32LSB18:PA_DEBUG(("ASIOSTInt32LSB18\n"));break;
- case ASIOSTInt32LSB20:PA_DEBUG(("ASIOSTInt32LSB20\n"));break;
- case ASIOSTInt32LSB24:PA_DEBUG(("ASIOSTInt32LSB24\n"));break;
- case ASIOSTInt24MSB: PA_DEBUG(("ASIOSTInt24MSB\n")); break;
- case ASIOSTInt24LSB: PA_DEBUG(("ASIOSTInt24LSB\n")); break;
- default: PA_DEBUG(("Custom Format%d\n",type));break;
-
- }
-}
-
-static int BytesPerAsioSample( ASIOSampleType sampleType )
-{
- switch (sampleType) {
- case ASIOSTInt16MSB:
- case ASIOSTInt16LSB:
- return 2;
-
- case ASIOSTFloat64MSB:
- case ASIOSTFloat64LSB:
- return 8;
-
- case ASIOSTFloat32MSB:
- case ASIOSTFloat32LSB:
- case ASIOSTInt32MSB:
- case ASIOSTInt32LSB:
- case ASIOSTInt32MSB16:
- case ASIOSTInt32LSB16:
- case ASIOSTInt32MSB18:
- case ASIOSTInt32MSB20:
- case ASIOSTInt32MSB24:
- case ASIOSTInt32LSB18:
- case ASIOSTInt32LSB20:
- case ASIOSTInt32LSB24:
- return 4;
-
- case ASIOSTInt24MSB:
- case ASIOSTInt24LSB:
- return 3;
-
- default:
- return 0;
- }
-}
-
-
-static void Swap16( void *buffer, long shift, long count )
-{
- unsigned short *p = (unsigned short*)buffer;
- unsigned short temp;
- (void) shift; /* unused parameter */
-
- while( count-- )
- {
- temp = *p;
- *p++ = (unsigned short)((temp<<8) | (temp>>8));
- }
-}
-
-static void Swap24( void *buffer, long shift, long count )
-{
- unsigned char *p = (unsigned char*)buffer;
- unsigned char temp;
- (void) shift; /* unused parameter */
-
- while( count-- )
- {
- temp = *p;
- *p = *(p+2);
- *(p+2) = temp;
- p += 3;
- }
-}
-
-#define PA_SWAP32_( x ) ((x>>24) | ((x>>8)&0xFF00) | ((x<<8)&0xFF0000) | (x<<24));
-
-static void Swap32( void *buffer, long shift, long count )
-{
- unsigned long *p = (unsigned long*)buffer;
- unsigned long temp;
- (void) shift; /* unused parameter */
-
- while( count-- )
- {
- temp = *p;
- *p++ = PA_SWAP32_( temp);
- }
-}
-
-static void SwapShiftLeft32( void *buffer, long shift, long count )
-{
- unsigned long *p = (unsigned long*)buffer;
- unsigned long temp;
-
- while( count-- )
- {
- temp = *p;
- temp = PA_SWAP32_( temp);
- *p++ = temp << shift;
- }
-}
-
-static void ShiftRightSwap32( void *buffer, long shift, long count )
-{
- unsigned long *p = (unsigned long*)buffer;
- unsigned long temp;
-
- while( count-- )
- {
- temp = *p >> shift;
- *p++ = PA_SWAP32_( temp);
- }
-}
-
-static void ShiftLeft32( void *buffer, long shift, long count )
-{
- unsigned long *p = (unsigned long*)buffer;
- unsigned long temp;
-
- while( count-- )
- {
- temp = *p;
- *p++ = temp << shift;
- }
-}
-
-static void ShiftRight32( void *buffer, long shift, long count )
-{
- unsigned long *p = (unsigned long*)buffer;
- unsigned long temp;
-
- while( count-- )
- {
- temp = *p;
- *p++ = temp >> shift;
- }
-}
-
-#define PA_SWAP_( x, y ) temp=x; x = y; y = temp;
-
-static void Swap64ConvertFloat64ToFloat32( void *buffer, long shift, long count )
-{
- double *in = (double*)buffer;
- float *out = (float*)buffer;
- unsigned char *p;
- unsigned char temp;
- (void) shift; /* unused parameter */
-
- while( count-- )
- {
- p = (unsigned char*)in;
- PA_SWAP_( p[0], p[7] );
- PA_SWAP_( p[1], p[6] );
- PA_SWAP_( p[2], p[5] );
- PA_SWAP_( p[3], p[4] );
-
- *out++ = (float) (*in++);
- }
-}
-
-static void ConvertFloat64ToFloat32( void *buffer, long shift, long count )
-{
- double *in = (double*)buffer;
- float *out = (float*)buffer;
- (void) shift; /* unused parameter */
-
- while( count-- )
- *out++ = (float) (*in++);
-}
-
-static void ConvertFloat32ToFloat64Swap64( void *buffer, long shift, long count )
-{
- float *in = ((float*)buffer) + (count-1);
- double *out = ((double*)buffer) + (count-1);
- unsigned char *p;
- unsigned char temp;
- (void) shift; /* unused parameter */
-
- while( count-- )
- {
- *out = *in--;
-
- p = (unsigned char*)out;
- PA_SWAP_( p[0], p[7] );
- PA_SWAP_( p[1], p[6] );
- PA_SWAP_( p[2], p[5] );
- PA_SWAP_( p[3], p[4] );
-
- out--;
- }
-}
-
-static void ConvertFloat32ToFloat64( void *buffer, long shift, long count )
-{
- float *in = ((float*)buffer) + (count-1);
- double *out = ((double*)buffer) + (count-1);
- (void) shift; /* unused parameter */
-
- while( count-- )
- *out-- = *in--;
-}
-
-#ifdef MAC
-#define PA_MSB_IS_NATIVE_
-#undef PA_LSB_IS_NATIVE_
-#endif
-
-#ifdef WINDOWS
-#undef PA_MSB_IS_NATIVE_
-#define PA_LSB_IS_NATIVE_
-#endif
-
-typedef void PaAsioBufferConverter( void *, long, long );
-
-static void SelectAsioToPaConverter( ASIOSampleType type, PaAsioBufferConverter **converter, long *shift )
-{
- *shift = 0;
- *converter = 0;
-
- switch (type) {
- case ASIOSTInt16MSB:
- /* dest: paInt16, no conversion necessary, possible byte swap*/
- #ifdef PA_LSB_IS_NATIVE_
- *converter = Swap16;
- #endif
- break;
- case ASIOSTInt16LSB:
- /* dest: paInt16, no conversion necessary, possible byte swap*/
- #ifdef PA_MSB_IS_NATIVE_
- *converter = Swap16;
- #endif
- break;
- case ASIOSTFloat32MSB:
- /* dest: paFloat32, no conversion necessary, possible byte swap*/
- #ifdef PA_LSB_IS_NATIVE_
- *converter = Swap32;
- #endif
- break;
- case ASIOSTFloat32LSB:
- /* dest: paFloat32, no conversion necessary, possible byte swap*/
- #ifdef PA_MSB_IS_NATIVE_
- *converter = Swap32;
- #endif
- break;
- case ASIOSTFloat64MSB:
- /* dest: paFloat32, in-place conversion to/from float32, possible byte swap*/
- #ifdef PA_LSB_IS_NATIVE_
- *converter = Swap64ConvertFloat64ToFloat32;
- #else
- *converter = ConvertFloat64ToFloat32;
- #endif
- break;
- case ASIOSTFloat64LSB:
- /* dest: paFloat32, in-place conversion to/from float32, possible byte swap*/
- #ifdef PA_MSB_IS_NATIVE_
- *converter = Swap64ConvertFloat64ToFloat32;
- #else
- *converter = ConvertFloat64ToFloat32;
- #endif
- break;
- case ASIOSTInt32MSB:
- /* dest: paInt32, no conversion necessary, possible byte swap */
- #ifdef PA_LSB_IS_NATIVE_
- *converter = Swap32;
- #endif
- break;
- case ASIOSTInt32LSB:
- /* dest: paInt32, no conversion necessary, possible byte swap */
- #ifdef PA_MSB_IS_NATIVE_
- *converter = Swap32;
- #endif
- break;
- case ASIOSTInt32MSB16:
- /* dest: paInt32, 16 bit shift, possible byte swap */
- #ifdef PA_LSB_IS_NATIVE_
- *converter = SwapShiftLeft32;
- #else
- *converter = ShiftLeft32;
- #endif
- *shift = 16;
- break;
- case ASIOSTInt32MSB18:
- /* dest: paInt32, 14 bit shift, possible byte swap */
- #ifdef PA_LSB_IS_NATIVE_
- *converter = SwapShiftLeft32;
- #else
- *converter = ShiftLeft32;
- #endif
- *shift = 14;
- break;
- case ASIOSTInt32MSB20:
- /* dest: paInt32, 12 bit shift, possible byte swap */
- #ifdef PA_LSB_IS_NATIVE_
- *converter = SwapShiftLeft32;
- #else
- *converter = ShiftLeft32;
- #endif
- *shift = 12;
- break;
- case ASIOSTInt32MSB24:
- /* dest: paInt32, 8 bit shift, possible byte swap */
- #ifdef PA_LSB_IS_NATIVE_
- *converter = SwapShiftLeft32;
- #else
- *converter = ShiftLeft32;
- #endif
- *shift = 8;
- break;
- case ASIOSTInt32LSB16:
- /* dest: paInt32, 16 bit shift, possible byte swap */
- #ifdef PA_MSB_IS_NATIVE_
- *converter = SwapShiftLeft32;
- #else
- *converter = ShiftLeft32;
- #endif
- *shift = 16;
- break;
- case ASIOSTInt32LSB18:
- /* dest: paInt32, 14 bit shift, possible byte swap */
- #ifdef PA_MSB_IS_NATIVE_
- *converter = SwapShiftLeft32;
- #else
- *converter = ShiftLeft32;
- #endif
- *shift = 14;
- break;
- case ASIOSTInt32LSB20:
- /* dest: paInt32, 12 bit shift, possible byte swap */
- #ifdef PA_MSB_IS_NATIVE_
- *converter = SwapShiftLeft32;
- #else
- *converter = ShiftLeft32;
- #endif
- *shift = 12;
- break;
- case ASIOSTInt32LSB24:
- /* dest: paInt32, 8 bit shift, possible byte swap */
- #ifdef PA_MSB_IS_NATIVE_
- *converter = SwapShiftLeft32;
- #else
- *converter = ShiftLeft32;
- #endif
- *shift = 8;
- break;
- case ASIOSTInt24MSB:
- /* dest: paInt24, no conversion necessary, possible byte swap */
- #ifdef PA_LSB_IS_NATIVE_
- *converter = Swap24;
- #endif
- break;
- case ASIOSTInt24LSB:
- /* dest: paInt24, no conversion necessary, possible byte swap */
- #ifdef PA_MSB_IS_NATIVE_
- *converter = Swap24;
- #endif
- break;
- }
-}
-
-
-static void SelectPaToAsioConverter( ASIOSampleType type, PaAsioBufferConverter **converter, long *shift )
-{
- *shift = 0;
- *converter = 0;
-
- switch (type) {
- case ASIOSTInt16MSB:
- /* src: paInt16, no conversion necessary, possible byte swap*/
- #ifdef PA_LSB_IS_NATIVE_
- *converter = Swap16;
- #endif
- break;
- case ASIOSTInt16LSB:
- /* src: paInt16, no conversion necessary, possible byte swap*/
- #ifdef PA_MSB_IS_NATIVE_
- *converter = Swap16;
- #endif
- break;
- case ASIOSTFloat32MSB:
- /* src: paFloat32, no conversion necessary, possible byte swap*/
- #ifdef PA_LSB_IS_NATIVE_
- *converter = Swap32;
- #endif
- break;
- case ASIOSTFloat32LSB:
- /* src: paFloat32, no conversion necessary, possible byte swap*/
- #ifdef PA_MSB_IS_NATIVE_
- *converter = Swap32;
- #endif
- break;
- case ASIOSTFloat64MSB:
- /* src: paFloat32, in-place conversion to/from float32, possible byte swap*/
- #ifdef PA_LSB_IS_NATIVE_
- *converter = ConvertFloat32ToFloat64Swap64;
- #else
- *converter = ConvertFloat32ToFloat64;
- #endif
- break;
- case ASIOSTFloat64LSB:
- /* src: paFloat32, in-place conversion to/from float32, possible byte swap*/
- #ifdef PA_MSB_IS_NATIVE_
- *converter = ConvertFloat32ToFloat64Swap64;
- #else
- *converter = ConvertFloat32ToFloat64;
- #endif
- break;
- case ASIOSTInt32MSB:
- /* src: paInt32, no conversion necessary, possible byte swap */
- #ifdef PA_LSB_IS_NATIVE_
- *converter = Swap32;
- #endif
- break;
- case ASIOSTInt32LSB:
- /* src: paInt32, no conversion necessary, possible byte swap */
- #ifdef PA_MSB_IS_NATIVE_
- *converter = Swap32;
- #endif
- break;
- case ASIOSTInt32MSB16:
- /* src: paInt32, 16 bit shift, possible byte swap */
- #ifdef PA_LSB_IS_NATIVE_
- *converter = ShiftRightSwap32;
- #else
- *converter = ShiftRight32;
- #endif
- *shift = 16;
- break;
- case ASIOSTInt32MSB18:
- /* src: paInt32, 14 bit shift, possible byte swap */
- #ifdef PA_LSB_IS_NATIVE_
- *converter = ShiftRightSwap32;
- #else
- *converter = ShiftRight32;
- #endif
- *shift = 14;
- break;
- case ASIOSTInt32MSB20:
- /* src: paInt32, 12 bit shift, possible byte swap */
- #ifdef PA_LSB_IS_NATIVE_
- *converter = ShiftRightSwap32;
- #else
- *converter = ShiftRight32;
- #endif
- *shift = 12;
- break;
- case ASIOSTInt32MSB24:
- /* src: paInt32, 8 bit shift, possible byte swap */
- #ifdef PA_LSB_IS_NATIVE_
- *converter = ShiftRightSwap32;
- #else
- *converter = ShiftRight32;
- #endif
- *shift = 8;
- break;
- case ASIOSTInt32LSB16:
- /* src: paInt32, 16 bit shift, possible byte swap */
- #ifdef PA_MSB_IS_NATIVE_
- *converter = ShiftRightSwap32;
- #else
- *converter = ShiftRight32;
- #endif
- *shift = 16;
- break;
- case ASIOSTInt32LSB18:
- /* src: paInt32, 14 bit shift, possible byte swap */
- #ifdef PA_MSB_IS_NATIVE_
- *converter = ShiftRightSwap32;
- #else
- *converter = ShiftRight32;
- #endif
- *shift = 14;
- break;
- case ASIOSTInt32LSB20:
- /* src: paInt32, 12 bit shift, possible byte swap */
- #ifdef PA_MSB_IS_NATIVE_
- *converter = ShiftRightSwap32;
- #else
- *converter = ShiftRight32;
- #endif
- *shift = 12;
- break;
- case ASIOSTInt32LSB24:
- /* src: paInt32, 8 bit shift, possible byte swap */
- #ifdef PA_MSB_IS_NATIVE_
- *converter = ShiftRightSwap32;
- #else
- *converter = ShiftRight32;
- #endif
- *shift = 8;
- break;
- case ASIOSTInt24MSB:
- /* src: paInt24, no conversion necessary, possible byte swap */
- #ifdef PA_LSB_IS_NATIVE_
- *converter = Swap24;
- #endif
- break;
- case ASIOSTInt24LSB:
- /* src: paInt24, no conversion necessary, possible byte swap */
- #ifdef PA_MSB_IS_NATIVE_
- *converter = Swap24;
- #endif
- break;
- }
-}
-
-
-typedef struct PaAsioDeviceInfo
-{
- PaDeviceInfo commonDeviceInfo;
- long minBufferSize;
- long maxBufferSize;
- long preferredBufferSize;
- long bufferGranularity;
-
- ASIOChannelInfo *asioChannelInfos;
-}
-PaAsioDeviceInfo;
-
-
-PaError PaAsio_GetAvailableLatencyValues( PaDeviceIndex device,
- long *minLatency, long *maxLatency, long *preferredLatency, long *granularity )
-{
- PaError result;
- PaUtilHostApiRepresentation *hostApi;
- PaDeviceIndex hostApiDevice;
-
- result = PaUtil_GetHostApiRepresentation( &hostApi, paASIO );
-
- if( result == paNoError )
- {
- result = PaUtil_DeviceIndexToHostApiDeviceIndex( &hostApiDevice, device, hostApi );
-
- if( result == paNoError )
- {
- PaAsioDeviceInfo *asioDeviceInfo =
- (PaAsioDeviceInfo*)hostApi->deviceInfos[hostApiDevice];
-
- *minLatency = asioDeviceInfo->minBufferSize;
- *maxLatency = asioDeviceInfo->maxBufferSize;
- *preferredLatency = asioDeviceInfo->preferredBufferSize;
- *granularity = asioDeviceInfo->bufferGranularity;
- }
- }
-
- return result;
-}
-
-
-
-/*
- load the asio driver named by <driverName> and return statistics about
- the driver in info. If no error occurred, the driver will remain open
- and must be closed by the called by calling ASIOExit() - if an error
- is returned the driver will already be closed.
-*/
-static PaError LoadAsioDriver( const char *driverName,
- PaAsioDriverInfo *driverInfo, void *systemSpecific )
-{
- PaError result = paNoError;
- ASIOError asioError;
- int asioIsInitialized = 0;
-
- if( !loadAsioDriver( const_cast<char*>(driverName) ) )
- {
- result = paUnanticipatedHostError;
- PA_ASIO_SET_LAST_HOST_ERROR( 0, "Failed to load ASIO driver" );
- goto error;
- }
-
- memset( &driverInfo->asioDriverInfo, 0, sizeof(ASIODriverInfo) );
- driverInfo->asioDriverInfo.asioVersion = 2;
- driverInfo->asioDriverInfo.sysRef = systemSpecific;
- if( (asioError = ASIOInit( &driverInfo->asioDriverInfo )) != ASE_OK )
- {
- result = paUnanticipatedHostError;
- PA_ASIO_SET_LAST_ASIO_ERROR( asioError );
- goto error;
- }
- else
- {
- asioIsInitialized = 1;
- }
-
- if( (asioError = ASIOGetChannels(&driverInfo->inputChannelCount,
- &driverInfo->outputChannelCount)) != ASE_OK )
- {
- result = paUnanticipatedHostError;
- PA_ASIO_SET_LAST_ASIO_ERROR( asioError );
- goto error;
- }
-
- if( (asioError = ASIOGetBufferSize(&driverInfo->bufferMinSize,
- &driverInfo->bufferMaxSize, &driverInfo->bufferPreferredSize,
- &driverInfo->bufferGranularity)) != ASE_OK )
- {
- result = paUnanticipatedHostError;
- PA_ASIO_SET_LAST_ASIO_ERROR( asioError );
- goto error;
- }
-
- if( ASIOOutputReady() == ASE_OK )
- driverInfo->postOutput = true;
- else
- driverInfo->postOutput = false;
-
- return result;
-
-error:
- if( asioIsInitialized )
- ASIOExit();
-
- return result;
-}
-
-
-#define PA_DEFAULTSAMPLERATESEARCHORDER_COUNT_ 13 /* must be the same number of elements as in the array below */
-static ASIOSampleRate defaultSampleRateSearchOrder_[]
- = {44100.0, 48000.0, 32000.0, 24000.0, 22050.0, 88200.0, 96000.0,
- 192000.0, 16000.0, 12000.0, 11025.0, 9600.0, 8000.0 };
-
-
-PaError PaAsio_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiIndex hostApiIndex )
-{
- PaError result = paNoError;
- int i, driverCount;
- PaAsioHostApiRepresentation *asioHostApi;
- PaAsioDeviceInfo *deviceInfoArray;
- char **names;
- PaAsioDriverInfo paAsioDriverInfo;
-
- asioHostApi = (PaAsioHostApiRepresentation*)PaUtil_AllocateMemory( sizeof(PaAsioHostApiRepresentation) );
- if( !asioHostApi )
- {
- result = paInsufficientMemory;
- goto error;
- }
-
- asioHostApi->allocations = PaUtil_CreateAllocationGroup();
- if( !asioHostApi->allocations )
- {
- result = paInsufficientMemory;
- goto error;
- }
-
- asioHostApi->systemSpecific = 0;
- asioHostApi->openAsioDeviceIndex = paNoDevice;
-
- *hostApi = &asioHostApi->inheritedHostApiRep;
- (*hostApi)->info.structVersion = 1;
-
- (*hostApi)->info.type = paASIO;
- (*hostApi)->info.name = "ASIO";
- (*hostApi)->info.deviceCount = 0;
-
- #ifdef WINDOWS
- /* use desktop window as system specific ptr */
- asioHostApi->systemSpecific = GetDesktopWindow();
- CoInitialize(NULL);
- #endif
-
- /* MUST BE CHECKED : to force fragments loading on Mac */
- loadAsioDriver( "dummy" );
-
- /* driverCount is the number of installed drivers - not necessarily
- the number of installed physical devices. */
- #if MAC
- driverCount = asioDrivers->getNumFragments();
- #elif WINDOWS
- driverCount = asioDrivers->asioGetNumDev();
- #endif
-
- if( driverCount > 0 )
- {
- names = GetAsioDriverNames( asioHostApi->allocations, driverCount );
- if( !names )
- {
- result = paInsufficientMemory;
- goto error;
- }
-
-
- /* allocate enough space for all drivers, even if some aren't installed */
-
- (*hostApi)->deviceInfos = (PaDeviceInfo**)PaUtil_GroupAllocateMemory(
- asioHostApi->allocations, sizeof(PaDeviceInfo*) * driverCount );
- if( !(*hostApi)->deviceInfos )
- {
- result = paInsufficientMemory;
- goto error;
- }
-
- /* allocate all device info structs in a contiguous block */
- deviceInfoArray = (PaAsioDeviceInfo*)PaUtil_GroupAllocateMemory(
- asioHostApi->allocations, sizeof(PaAsioDeviceInfo) * driverCount );
- if( !deviceInfoArray )
- {
- result = paInsufficientMemory;
- goto error;
- }
-
- for( i=0; i < driverCount; ++i )
- {
- /* Attempt to load the asio driver... */
- if( LoadAsioDriver( names[i], &paAsioDriverInfo, asioHostApi->systemSpecific ) == paNoError )
- {
- PaAsioDeviceInfo *asioDeviceInfo = &deviceInfoArray[ (*hostApi)->info.deviceCount ];
- PaDeviceInfo *deviceInfo = &asioDeviceInfo->commonDeviceInfo;
-
- deviceInfo->structVersion = 2;
- deviceInfo->hostApi = hostApiIndex;
-
- deviceInfo->name = names[i];
- PA_DEBUG(("PaAsio_Initialize: drv:%d name = %s\n", i,deviceInfo->name));
- PA_DEBUG(("PaAsio_Initialize: drv:%d inputChannels = %d\n", i, paAsioDriverInfo.inputChannelCount));
- PA_DEBUG(("PaAsio_Initialize: drv:%d outputChannels = %d\n", i, paAsioDriverInfo.outputChannelCount));
- PA_DEBUG(("PaAsio_Initialize: drv:%d bufferMinSize = %d\n", i, paAsioDriverInfo.bufferMinSize));
- PA_DEBUG(("PaAsio_Initialize: drv:%d bufferMaxSize = %d\n", i, paAsioDriverInfo.bufferMaxSize));
- PA_DEBUG(("PaAsio_Initialize: drv:%d bufferPreferredSize = %d\n", i, paAsioDriverInfo.bufferPreferredSize));
- PA_DEBUG(("PaAsio_Initialize: drv:%d bufferGranularity = %d\n", i, paAsioDriverInfo.bufferGranularity));
-
- deviceInfo->maxInputChannels = paAsioDriverInfo.inputChannelCount;
- deviceInfo->maxOutputChannels = paAsioDriverInfo.outputChannelCount;
-
- deviceInfo->defaultSampleRate = 0.;
- bool foundDefaultSampleRate = false;
- for( int j=0; j < PA_DEFAULTSAMPLERATESEARCHORDER_COUNT_; ++j )
- {
- ASIOError asioError = ASIOCanSampleRate( defaultSampleRateSearchOrder_[j] );
- if( asioError != ASE_NoClock && asioError != ASE_NotPresent )
- {
- deviceInfo->defaultSampleRate = defaultSampleRateSearchOrder_[j];
- foundDefaultSampleRate = true;
- break;
- }
- }
-
- PA_DEBUG(("PaAsio_Initialize: drv:%d defaultSampleRate = %f\n", i, deviceInfo->defaultSampleRate));
-
- if( foundDefaultSampleRate ){
-
- /* calculate default latency values from bufferPreferredSize
- for default low latency, and bufferPreferredSize * 3
- for default high latency.
- use the default sample rate to convert from samples to
- seconds. Without knowing what sample rate the user will
- use this is the best we can do.
- */
-
- double defaultLowLatency =
- paAsioDriverInfo.bufferPreferredSize / deviceInfo->defaultSampleRate;
-
- deviceInfo->defaultLowInputLatency = defaultLowLatency;
- deviceInfo->defaultLowOutputLatency = defaultLowLatency;
-
- long defaultHighLatencyBufferSize =
- paAsioDriverInfo.bufferPreferredSize * 3;
-
- if( defaultHighLatencyBufferSize > paAsioDriverInfo.bufferMaxSize )
- defaultHighLatencyBufferSize = paAsioDriverInfo.bufferMaxSize;
-
- double defaultHighLatency =
- defaultHighLatencyBufferSize / deviceInfo->defaultSampleRate;
-
- if( defaultHighLatency < defaultLowLatency )
- defaultHighLatency = defaultLowLatency; /* just incase the driver returns something strange */
-
- deviceInfo->defaultHighInputLatency = defaultHighLatency;
- deviceInfo->defaultHighOutputLatency = defaultHighLatency;
-
- }else{
-
- deviceInfo->defaultLowInputLatency = 0.;
- deviceInfo->defaultLowOutputLatency = 0.;
- deviceInfo->defaultHighInputLatency = 0.;
- deviceInfo->defaultHighOutputLatency = 0.;
- }
-
- PA_DEBUG(("PaAsio_Initialize: drv:%d defaultLowInputLatency = %f\n", i, deviceInfo->defaultLowInputLatency));
- PA_DEBUG(("PaAsio_Initialize: drv:%d defaultLowOutputLatency = %f\n", i, deviceInfo->defaultLowOutputLatency));
- PA_DEBUG(("PaAsio_Initialize: drv:%d defaultHighInputLatency = %f\n", i, deviceInfo->defaultHighInputLatency));
- PA_DEBUG(("PaAsio_Initialize: drv:%d defaultHighOutputLatency = %f\n", i, deviceInfo->defaultHighOutputLatency));
-
- asioDeviceInfo->minBufferSize = paAsioDriverInfo.bufferMinSize;
- asioDeviceInfo->maxBufferSize = paAsioDriverInfo.bufferMaxSize;
- asioDeviceInfo->preferredBufferSize = paAsioDriverInfo.bufferPreferredSize;
- asioDeviceInfo->bufferGranularity = paAsioDriverInfo.bufferGranularity;
-
-
- asioDeviceInfo->asioChannelInfos = (ASIOChannelInfo*)PaUtil_GroupAllocateMemory(
- asioHostApi->allocations,
- sizeof(ASIOChannelInfo) * (deviceInfo->maxInputChannels
- + deviceInfo->maxOutputChannels) );
- if( !asioDeviceInfo->asioChannelInfos )
- {
- result = paInsufficientMemory;
- goto error;
- }
-
- int a;
-
- for( a=0; a < deviceInfo->maxInputChannels; ++a ){
- asioDeviceInfo->asioChannelInfos[a].channel = a;
- asioDeviceInfo->asioChannelInfos[a].isInput = ASIOTrue;
- ASIOError asioError = ASIOGetChannelInfo( &asioDeviceInfo->asioChannelInfos[a] );
- if( asioError != ASE_OK )
- {
- result = paUnanticipatedHostError;
- PA_ASIO_SET_LAST_ASIO_ERROR( asioError );
- goto error;
- }
- }
-
- for( a=0; a < deviceInfo->maxOutputChannels; ++a ){
- int b = deviceInfo->maxInputChannels + a;
- asioDeviceInfo->asioChannelInfos[b].channel = a;
- asioDeviceInfo->asioChannelInfos[b].isInput = ASIOFalse;
- ASIOError asioError = ASIOGetChannelInfo( &asioDeviceInfo->asioChannelInfos[b] );
- if( asioError != ASE_OK )
- {
- result = paUnanticipatedHostError;
- PA_ASIO_SET_LAST_ASIO_ERROR( asioError );
- goto error;
- }
- }
-
-
- /* unload the driver */
- ASIOExit();
-
- (*hostApi)->deviceInfos[ (*hostApi)->info.deviceCount ] = deviceInfo;
- ++(*hostApi)->info.deviceCount;
- }
- }
- }
-
- if( (*hostApi)->info.deviceCount > 0 )
- {
- (*hostApi)->info.defaultInputDevice = 0;
- (*hostApi)->info.defaultOutputDevice = 0;
- }
- else
- {
- (*hostApi)->info.defaultInputDevice = paNoDevice;
- (*hostApi)->info.defaultOutputDevice = paNoDevice;
- }
-
-
- (*hostApi)->Terminate = Terminate;
- (*hostApi)->OpenStream = OpenStream;
- (*hostApi)->IsFormatSupported = IsFormatSupported;
-
- PaUtil_InitializeStreamInterface( &asioHostApi->callbackStreamInterface, CloseStream, StartStream,
- StopStream, AbortStream, IsStreamStopped, IsStreamActive,
- GetStreamTime, GetStreamCpuLoad,
- PaUtil_DummyRead, PaUtil_DummyWrite,
- PaUtil_DummyGetReadAvailable, PaUtil_DummyGetWriteAvailable );
-
- PaUtil_InitializeStreamInterface( &asioHostApi->blockingStreamInterface, CloseStream, StartStream,
- StopStream, AbortStream, IsStreamStopped, IsStreamActive,
- GetStreamTime, PaUtil_DummyGetCpuLoad,
- ReadStream, WriteStream, GetStreamReadAvailable, GetStreamWriteAvailable );
-
- return result;
-
-error:
- if( asioHostApi )
- {
- if( asioHostApi->allocations )
- {
- PaUtil_FreeAllAllocations( asioHostApi->allocations );
- PaUtil_DestroyAllocationGroup( asioHostApi->allocations );
- }
-
- PaUtil_FreeMemory( asioHostApi );
- }
- return result;
-}
-
-
-static void Terminate( struct PaUtilHostApiRepresentation *hostApi )
-{
- PaAsioHostApiRepresentation *asioHostApi = (PaAsioHostApiRepresentation*)hostApi;
-
- /*
- IMPLEMENT ME:
- - clean up any resources not handled by the allocation group
- */
-
- if( asioHostApi->allocations )
- {
- PaUtil_FreeAllAllocations( asioHostApi->allocations );
- PaUtil_DestroyAllocationGroup( asioHostApi->allocations );
- }
-
- PaUtil_FreeMemory( asioHostApi );
-}
-
-
-static PaError IsFormatSupported( struct PaUtilHostApiRepresentation *hostApi,
- const PaStreamParameters *inputParameters,
- const PaStreamParameters *outputParameters,
- double sampleRate )
-{
- PaError result = paNoError;
- PaAsioHostApiRepresentation *asioHostApi = (PaAsioHostApiRepresentation*)hostApi;
- PaAsioDriverInfo *driverInfo = &asioHostApi->openAsioDriverInfo;
- int inputChannelCount, outputChannelCount;
- PaSampleFormat inputSampleFormat, outputSampleFormat;
- PaDeviceIndex asioDeviceIndex;
- ASIOError asioError;
-
- if( inputParameters && outputParameters )
- {
- /* full duplex ASIO stream must use the same device for input and output */
-
- if( inputParameters->device != outputParameters->device )
- return paBadIODeviceCombination;
- }
-
- if( inputParameters )
- {
- inputChannelCount = inputParameters->channelCount;
- inputSampleFormat = inputParameters->sampleFormat;
-
- /* all standard sample formats are supported by the buffer adapter,
- this implementation doesn't support any custom sample formats */
- if( inputSampleFormat & paCustomFormat )
- return paSampleFormatNotSupported;
-
- /* unless alternate device specification is supported, reject the use of
- paUseHostApiSpecificDeviceSpecification */
-
- if( inputParameters->device == paUseHostApiSpecificDeviceSpecification )
- return paInvalidDevice;
-
- asioDeviceIndex = inputParameters->device;
-
- /* validate inputStreamInfo */
- /** @todo do more validation here */
- // if( inputParameters->hostApiSpecificStreamInfo )
- // return paIncompatibleHostApiSpecificStreamInfo; /* this implementation doesn't use custom stream info */
- }
- else
- {
- inputChannelCount = 0;
- }
-
- if( outputParameters )
- {
- outputChannelCount = outputParameters->channelCount;
- outputSampleFormat = outputParameters->sampleFormat;
-
- /* all standard sample formats are supported by the buffer adapter,
- this implementation doesn't support any custom sample formats */
- if( outputSampleFormat & paCustomFormat )
- return paSampleFormatNotSupported;
-
- /* unless alternate device specification is supported, reject the use of
- paUseHostApiSpecificDeviceSpecification */
-
- if( outputParameters->device == paUseHostApiSpecificDeviceSpecification )
- return paInvalidDevice;
-
- asioDeviceIndex = outputParameters->device;
-
- /* validate outputStreamInfo */
- /** @todo do more validation here */
- // if( outputParameters->hostApiSpecificStreamInfo )
- // return paIncompatibleHostApiSpecificStreamInfo; /* this implementation doesn't use custom stream info */
- }
- else
- {
- outputChannelCount = 0;
- }
-
-
-
- /* if an ASIO device is open we can only get format information for the currently open device */
-
- if( asioHostApi->openAsioDeviceIndex != paNoDevice
- && asioHostApi->openAsioDeviceIndex != asioDeviceIndex )
- {
- return paDeviceUnavailable;
- }
-
-
- /* NOTE: we load the driver and use its current settings
- rather than the ones in our device info structure which may be stale */
-
- /* open the device if it's not already open */
- if( asioHostApi->openAsioDeviceIndex == paNoDevice )
- {
- result = LoadAsioDriver( asioHostApi->inheritedHostApiRep.deviceInfos[ asioDeviceIndex ]->name,
- driverInfo, asioHostApi->systemSpecific );
- if( result != paNoError )
- return result;
- }
-
- /* check that input device can support inputChannelCount */
- if( inputChannelCount > 0 )
- {
- if( inputChannelCount > driverInfo->inputChannelCount )
- {
- result = paInvalidChannelCount;
- goto done;
- }
- }
-
- /* check that output device can support outputChannelCount */
- if( outputChannelCount )
- {
- if( outputChannelCount > driverInfo->outputChannelCount )
- {
- result = paInvalidChannelCount;
- goto done;
- }
- }
-
- /* query for sample rate support */
- asioError = ASIOCanSampleRate( sampleRate );
- if( asioError == ASE_NoClock || asioError == ASE_NotPresent )
- {
- result = paInvalidSampleRate;
- goto done;
- }
-
-done:
- /* close the device if it wasn't already open */
- if( asioHostApi->openAsioDeviceIndex == paNoDevice )
- {
- ASIOExit(); /* not sure if we should check for errors here */
- }
-
- if( result == paNoError )
- return paFormatIsSupported;
- else
- return result;
-}
-
-
-
-/* PaAsioStream - a stream data structure specifically for this implementation */
-
-typedef struct PaAsioStream
-{
- PaUtilStreamRepresentation streamRepresentation;
- PaUtilCpuLoadMeasurer cpuLoadMeasurer;
- PaUtilBufferProcessor bufferProcessor;
-
- PaAsioHostApiRepresentation *asioHostApi;
- unsigned long framesPerHostCallback;
-
- /* ASIO driver info - these may not be needed for the life of the stream,
- but store them here until we work out how format conversion is going
- to work. */
-
- ASIOBufferInfo *asioBufferInfos;
- ASIOChannelInfo *asioChannelInfos;
- long inputLatency, outputLatency; // actual latencies returned by asio
-
- long inputChannelCount, outputChannelCount;
- bool postOutput;
-
- void **bufferPtrs; /* this is carved up for inputBufferPtrs and outputBufferPtrs */
- void **inputBufferPtrs[2];
- void **outputBufferPtrs[2];
-
- PaAsioBufferConverter *inputBufferConverter;
- long inputShift;
- PaAsioBufferConverter *outputBufferConverter;
- long outputShift;
-
- volatile bool stopProcessing;
- int stopPlayoutCount;
- HANDLE completedBuffersPlayedEvent;
-
- bool streamFinishedCallbackCalled;
- volatile int isActive;
- volatile bool zeroOutput; /* all future calls to the callback will output silence */
-
- volatile long reenterCount;
- volatile long reenterError;
-
- PaStreamCallbackFlags callbackFlags;
-}
-PaAsioStream;
-
-static PaAsioStream *theAsioStream = 0; /* due to ASIO sdk limitations there can be only one stream */
-
-
-static void ZeroOutputBuffers( PaAsioStream *stream, long index )
-{
- int i;
-
- for( i=0; i < stream->outputChannelCount; ++i )
- {
- void *buffer = stream->asioBufferInfos[ i + stream->inputChannelCount ].buffers[index];
-
- int bytesPerSample = BytesPerAsioSample( stream->asioChannelInfos[ i + stream->inputChannelCount ].type );
-
- memset( buffer, 0, stream->framesPerHostCallback * bytesPerSample );
- }
-}
-
-
-static unsigned long SelectHostBufferSize( unsigned long suggestedLatencyFrames,
- PaAsioDriverInfo *driverInfo )
-{
- unsigned long result;
-
- if( suggestedLatencyFrames == 0 )
- {
- result = driverInfo->bufferPreferredSize;
- }
- else{
- if( suggestedLatencyFrames <= (unsigned long)driverInfo->bufferMinSize )
- {
- result = driverInfo->bufferMinSize;
- }
- else if( suggestedLatencyFrames >= (unsigned long)driverInfo->bufferMaxSize )
- {
- result = driverInfo->bufferMaxSize;
- }
- else
- {
- if( driverInfo->bufferGranularity == -1 )
- {
- /* power-of-two */
- result = 2;
-
- while( result < suggestedLatencyFrames )
- result *= 2;
-
- if( result < (unsigned long)driverInfo->bufferMinSize )
- result = driverInfo->bufferMinSize;
-
- if( result > (unsigned long)driverInfo->bufferMaxSize )
- result = driverInfo->bufferMaxSize;
- }
- else if( driverInfo->bufferGranularity == 0 )
- {
- /* the documentation states that bufferGranularity should be
- zero when bufferMinSize, bufferMaxSize and
- bufferPreferredSize are the same. We assume that is the case.
- */
-
- result = driverInfo->bufferPreferredSize;
- }
- else
- {
- /* modulo granularity */
-
- unsigned long remainder =
- suggestedLatencyFrames % driverInfo->bufferGranularity;
-
- if( remainder == 0 )
- {
- result = suggestedLatencyFrames;
- }
- else
- {
- result = suggestedLatencyFrames
- + (driverInfo->bufferGranularity - remainder);
-
- if( result > (unsigned long)driverInfo->bufferMaxSize )
- result = driverInfo->bufferMaxSize;
- }
- }
- }
- }
-
- return result;
-}
-
-
-/* returns channelSelectors if present */
-
-static PaError ValidateAsioSpecificStreamInfo(
- const PaStreamParameters *streamParameters,
- const PaAsioStreamInfo *streamInfo,
- int deviceChannelCount,
- int **channelSelectors )
-{
- if( streamInfo )
- {
- if( streamInfo->size != sizeof( PaAsioStreamInfo )
- || streamInfo->version != 1 )
- {
- return paIncompatibleHostApiSpecificStreamInfo;
- }
-
- if( streamInfo->flags & paAsioUseChannelSelectors )
- *channelSelectors = streamInfo->channelSelectors;
-
- if( !(*channelSelectors) )
- return paIncompatibleHostApiSpecificStreamInfo;
-
- for( int i=0; i < streamParameters->channelCount; ++i ){
- if( (*channelSelectors)[i] < 0
- || (*channelSelectors)[i] >= deviceChannelCount ){
- return paInvalidChannelCount;
- }
- }
- }
-
- return paNoError;
-}
-
-
-/* see pa_hostapi.h for a list of validity guarantees made about OpenStream parameters */
-
-static PaError OpenStream( struct PaUtilHostApiRepresentation *hostApi,
- PaStream** s,
- const PaStreamParameters *inputParameters,
- const PaStreamParameters *outputParameters,
- double sampleRate,
- unsigned long framesPerBuffer,
- PaStreamFlags streamFlags,
- PaStreamCallback *streamCallback,
- void *userData )
-{
- PaError result = paNoError;
- PaAsioHostApiRepresentation *asioHostApi = (PaAsioHostApiRepresentation*)hostApi;
- PaAsioStream *stream = 0;
- PaAsioStreamInfo *inputStreamInfo, *outputStreamInfo;
- unsigned long framesPerHostBuffer;
- int inputChannelCount, outputChannelCount;
- PaSampleFormat inputSampleFormat, outputSampleFormat;
- PaSampleFormat hostInputSampleFormat, hostOutputSampleFormat;
- unsigned long suggestedInputLatencyFrames;
- unsigned long suggestedOutputLatencyFrames;
- PaDeviceIndex asioDeviceIndex;
- ASIOError asioError;
- int asioIsInitialized = 0;
- int asioBuffersCreated = 0;
- int completedBuffersPlayedEventInited = 0;
- int i;
- PaAsioDriverInfo *driverInfo;
- int *inputChannelSelectors = 0;
- int *outputChannelSelectors = 0;
-
- /* unless we move to using lower level ASIO calls, we can only have
- one device open at a time */
- if( asioHostApi->openAsioDeviceIndex != paNoDevice ){
- PA_DEBUG(("OpenStream paDeviceUnavailable\n"));
- return paDeviceUnavailable;
- }
-
- if( inputParameters && outputParameters )
- {
- /* full duplex ASIO stream must use the same device for input and output */
-
- if( inputParameters->device != outputParameters->device ){
- PA_DEBUG(("OpenStream paBadIODeviceCombination\n"));
- return paBadIODeviceCombination;
- }
- }
-
- if( inputParameters )
- {
- inputChannelCount = inputParameters->channelCount;
- inputSampleFormat = inputParameters->sampleFormat;
- suggestedInputLatencyFrames = (unsigned long)((inputParameters->suggestedLatency * sampleRate)+0.5f);
-
- /* unless alternate device specification is supported, reject the use of
- paUseHostApiSpecificDeviceSpecification */
- if( inputParameters->device == paUseHostApiSpecificDeviceSpecification )
- return paInvalidDevice;
-
- asioDeviceIndex = inputParameters->device;
-
- PaAsioDeviceInfo *asioDeviceInfo = (PaAsioDeviceInfo*)hostApi->deviceInfos[asioDeviceIndex];
-
- /* validate hostApiSpecificStreamInfo */
- inputStreamInfo = (PaAsioStreamInfo*)inputParameters->hostApiSpecificStreamInfo;
- result = ValidateAsioSpecificStreamInfo( inputParameters, inputStreamInfo,
- asioDeviceInfo->commonDeviceInfo.maxInputChannels,
- &inputChannelSelectors
- );
- if( result != paNoError ) return result;
- }
- else
- {
- inputChannelCount = 0;
- inputSampleFormat = 0;
- suggestedInputLatencyFrames = 0;
- }
-
- if( outputParameters )
- {
- outputChannelCount = outputParameters->channelCount;
- outputSampleFormat = outputParameters->sampleFormat;
- suggestedOutputLatencyFrames = (unsigned long)((outputParameters->suggestedLatency * sampleRate)+0.5f);
-
- /* unless alternate device specification is supported, reject the use of
- paUseHostApiSpecificDeviceSpecification */
- if( outputParameters->device == paUseHostApiSpecificDeviceSpecification )
- return paInvalidDevice;
-
- asioDeviceIndex = outputParameters->device;
-
- PaAsioDeviceInfo *asioDeviceInfo = (PaAsioDeviceInfo*)hostApi->deviceInfos[asioDeviceIndex];
-
- /* validate hostApiSpecificStreamInfo */
- outputStreamInfo = (PaAsioStreamInfo*)outputParameters->hostApiSpecificStreamInfo;
- result = ValidateAsioSpecificStreamInfo( outputParameters, outputStreamInfo,
- asioDeviceInfo->commonDeviceInfo.maxOutputChannels,
- &outputChannelSelectors
- );
- if( result != paNoError ) return result;
- }
- else
- {
- outputChannelCount = 0;
- outputSampleFormat = 0;
- suggestedOutputLatencyFrames = 0;
- }
-
- driverInfo = &asioHostApi->openAsioDriverInfo;
-
- /* NOTE: we load the driver and use its current settings
- rather than the ones in our device info structure which may be stale */
-
- result = LoadAsioDriver( asioHostApi->inheritedHostApiRep.deviceInfos[ asioDeviceIndex ]->name,
- driverInfo, asioHostApi->systemSpecific );
- if( result == paNoError )
- asioIsInitialized = 1;
- else{
- PA_DEBUG(("OpenStream ERROR1\n"));
- goto error;
- }
-
- /* check that input device can support inputChannelCount */
- if( inputChannelCount > 0 )
- {
- if( inputChannelCount > driverInfo->inputChannelCount )
- {
- result = paInvalidChannelCount;
- PA_DEBUG(("OpenStream ERROR2\n"));
- goto error;
- }
- }
-
- /* check that output device can support outputChannelCount */
- if( outputChannelCount )
- {
- if( outputChannelCount > driverInfo->outputChannelCount )
- {
- result = paInvalidChannelCount;
- PA_DEBUG(("OpenStream ERROR3\n"));
- goto error;
- }
- }
-
- PA_DEBUG(("before ASIOSetSampleRate(%f)\n",sampleRate));
- asioError = ASIOSetSampleRate( sampleRate );
- /* Set sample rate */
- if( asioError != ASE_OK )
- {
- result = paInvalidSampleRate;
- PA_DEBUG(("ERROR: ASIOSetSampleRate: %s\n", PaAsio_GetAsioErrorText(asioError) ));
- goto error;
- }
- PA_DEBUG(("after ASIOSetSampleRate(%f)\n",sampleRate));
- /*
- IMPLEMENT ME:
- - if a full duplex stream is requested, check that the combination
- of input and output parameters is supported
- */
-
- /* validate platform specific flags */
- if( (streamFlags & paPlatformSpecificFlags) != 0 ){
- PA_DEBUG(("OpenStream invalid flags!!\n"));
- return paInvalidFlag; /* unexpected platform specific flag */
- }
-
-
- stream = (PaAsioStream*)PaUtil_AllocateMemory( sizeof(PaAsioStream) );
- if( !stream )
- {
- result = paInsufficientMemory;
- PA_DEBUG(("OpenStream ERROR5\n"));
- goto error;
- }
-
- stream->completedBuffersPlayedEvent = CreateEvent( NULL, TRUE, FALSE, NULL );
- if( stream->completedBuffersPlayedEvent == NULL )
- {
- result = paUnanticipatedHostError;
- PA_ASIO_SET_LAST_SYSTEM_ERROR( GetLastError() );
- PA_DEBUG(("OpenStream ERROR6\n"));
- goto error;
- }
- completedBuffersPlayedEventInited = 1;
-
-
- stream->asioBufferInfos = 0; /* for deallocation in error */
- stream->asioChannelInfos = 0; /* for deallocation in error */
- stream->bufferPtrs = 0; /* for deallocation in error */
-
- if( streamCallback )
- {
- PaUtil_InitializeStreamRepresentation( &stream->streamRepresentation,
- &asioHostApi->callbackStreamInterface, streamCallback, userData );
- }
- else
- {
- PaUtil_InitializeStreamRepresentation( &stream->streamRepresentation,
- &asioHostApi->blockingStreamInterface, streamCallback, userData );
- }
-
-
- PaUtil_InitializeCpuLoadMeasurer( &stream->cpuLoadMeasurer, sampleRate );
-
-
- stream->asioBufferInfos = (ASIOBufferInfo*)PaUtil_AllocateMemory(
- sizeof(ASIOBufferInfo) * (inputChannelCount + outputChannelCount) );
- if( !stream->asioBufferInfos )
- {
- result = paInsufficientMemory;
- PA_DEBUG(("OpenStream ERROR7\n"));
- goto error;
- }
-
-
- for( i=0; i < inputChannelCount; ++i )
- {
- ASIOBufferInfo *info = &stream->asioBufferInfos[i];
-
- info->isInput = ASIOTrue;
-
- if( inputChannelSelectors ){
- // inputChannelSelectors values have already been validated in
- // ValidateAsioSpecificStreamInfo() above
- info->channelNum = inputChannelSelectors[i];
- }else{
- info->channelNum = i;
- }
-
- info->buffers[0] = info->buffers[1] = 0;
- }
-
- for( i=0; i < outputChannelCount; ++i ){
- ASIOBufferInfo *info = &stream->asioBufferInfos[inputChannelCount+i];
-
- info->isInput = ASIOFalse;
-
- if( outputChannelSelectors ){
- // outputChannelSelectors values have already been validated in
- // ValidateAsioSpecificStreamInfo() above
- info->channelNum = outputChannelSelectors[i];
- }else{
- info->channelNum = i;
- }
-
- info->buffers[0] = info->buffers[1] = 0;
- }
-
-
- framesPerHostBuffer = SelectHostBufferSize(
- (( suggestedInputLatencyFrames > suggestedOutputLatencyFrames )
- ? suggestedInputLatencyFrames : suggestedOutputLatencyFrames),
- driverInfo );
-
-
- PA_DEBUG(("PaAsioOpenStream: framesPerHostBuffer :%d\n", framesPerHostBuffer));
-
- asioError = ASIOCreateBuffers( stream->asioBufferInfos,
- inputChannelCount+outputChannelCount,
- framesPerHostBuffer, &asioCallbacks_ );
-
- if( asioError != ASE_OK
- && framesPerHostBuffer != (unsigned long)driverInfo->bufferPreferredSize )
- {
- PA_DEBUG(("ERROR: ASIOCreateBuffers: %s\n", PaAsio_GetAsioErrorText(asioError) ));
- /*
- Some buggy drivers (like the Hoontech DSP24) give incorrect
- [min, preferred, max] values They should work with the preferred size
- value, thus if Pa_ASIO_CreateBuffers fails with the hostBufferSize
- computed in SelectHostBufferSize, we try again with the preferred size.
- */
-
- framesPerHostBuffer = driverInfo->bufferPreferredSize;
-
- PA_DEBUG(("PaAsioOpenStream: CORRECTED framesPerHostBuffer :%d\n", framesPerHostBuffer));
-
- ASIOError asioError2 = ASIOCreateBuffers( stream->asioBufferInfos,
- inputChannelCount+outputChannelCount,
- framesPerHostBuffer, &asioCallbacks_ );
- if( asioError2 == ASE_OK )
- asioError = ASE_OK;
- }
-
- if( asioError != ASE_OK )
- {
- result = paUnanticipatedHostError;
- PA_ASIO_SET_LAST_ASIO_ERROR( asioError );
- PA_DEBUG(("OpenStream ERROR9\n"));
- goto error;
- }
-
- asioBuffersCreated = 1;
-
- stream->asioChannelInfos = (ASIOChannelInfo*)PaUtil_AllocateMemory(
- sizeof(ASIOChannelInfo) * (inputChannelCount + outputChannelCount) );
- if( !stream->asioChannelInfos )
- {
- result = paInsufficientMemory;
- PA_DEBUG(("OpenStream ERROR10\n"));
- goto error;
- }
-
- for( i=0; i < inputChannelCount + outputChannelCount; ++i )
- {
- stream->asioChannelInfos[i].channel = stream->asioBufferInfos[i].channelNum;
- stream->asioChannelInfos[i].isInput = stream->asioBufferInfos[i].isInput;
- asioError = ASIOGetChannelInfo( &stream->asioChannelInfos[i] );
- if( asioError != ASE_OK )
- {
- result = paUnanticipatedHostError;
- PA_ASIO_SET_LAST_ASIO_ERROR( asioError );
- PA_DEBUG(("OpenStream ERROR11\n"));
- goto error;
- }
- }
-
- stream->bufferPtrs = (void**)PaUtil_AllocateMemory(
- 2 * sizeof(void*) * (inputChannelCount + outputChannelCount) );
- if( !stream->bufferPtrs )
- {
- result = paInsufficientMemory;
- PA_DEBUG(("OpenStream ERROR12\n"));
- goto error;
- }
-
- if( inputChannelCount > 0 )
- {
- stream->inputBufferPtrs[0] = stream-> bufferPtrs;
- stream->inputBufferPtrs[1] = &stream->bufferPtrs[inputChannelCount];
-
- for( i=0; i<inputChannelCount; ++i )
- {
- stream->inputBufferPtrs[0][i] = stream->asioBufferInfos[i].buffers[0];
- stream->inputBufferPtrs[1][i] = stream->asioBufferInfos[i].buffers[1];
- }
- }
- else
- {
- stream->inputBufferPtrs[0] = 0;
- stream->inputBufferPtrs[1] = 0;
- }
-
- if( outputChannelCount > 0 )
- {
- stream->outputBufferPtrs[0] = &stream->bufferPtrs[inputChannelCount*2];
- stream->outputBufferPtrs[1] = &stream->bufferPtrs[inputChannelCount*2 + outputChannelCount];
-
- for( i=0; i<outputChannelCount; ++i )
- {
- stream->outputBufferPtrs[0][i] = stream->asioBufferInfos[inputChannelCount+i].buffers[0];
- stream->outputBufferPtrs[1][i] = stream->asioBufferInfos[inputChannelCount+i].buffers[1];
- }
- }
- else
- {
- stream->outputBufferPtrs[0] = 0;
- stream->outputBufferPtrs[1] = 0;
- }
-
- if( inputChannelCount > 0 )
- {
- /* FIXME: assume all channels use the same type for now */
- ASIOSampleType inputType = stream->asioChannelInfos[0].type;
-
- PA_DEBUG(("ASIO Input type:%d",inputType));
- AsioSampleTypeLOG(inputType);
- hostInputSampleFormat = AsioSampleTypeToPaNativeSampleFormat( inputType );
-
- SelectAsioToPaConverter( inputType, &stream->inputBufferConverter, &stream->inputShift );
- }
- else
- {
- hostInputSampleFormat = 0;
- stream->inputBufferConverter = 0;
- }
-
- if( outputChannelCount > 0 )
- {
- /* FIXME: assume all channels use the same type for now */
- ASIOSampleType outputType = stream->asioChannelInfos[inputChannelCount].type;
-
- PA_DEBUG(("ASIO Output type:%d",outputType));
- AsioSampleTypeLOG(outputType);
- hostOutputSampleFormat = AsioSampleTypeToPaNativeSampleFormat( outputType );
-
- SelectPaToAsioConverter( outputType, &stream->outputBufferConverter, &stream->outputShift );
- }
- else
- {
- hostOutputSampleFormat = 0;
- stream->outputBufferConverter = 0;
- }
-
- result = PaUtil_InitializeBufferProcessor( &stream->bufferProcessor,
- inputChannelCount, inputSampleFormat, hostInputSampleFormat,
- outputChannelCount, outputSampleFormat, hostOutputSampleFormat,
- sampleRate, streamFlags, framesPerBuffer,
- framesPerHostBuffer, paUtilFixedHostBufferSize,
- streamCallback, userData );
- if( result != paNoError ){
- PA_DEBUG(("OpenStream ERROR13\n"));
- goto error;
- }
-
-
- ASIOGetLatencies( &stream->inputLatency, &stream->outputLatency );
-
- stream->streamRepresentation.streamInfo.inputLatency =
- (double)( PaUtil_GetBufferProcessorInputLatency(&stream->bufferProcessor)
- + stream->inputLatency) / sampleRate; // seconds
- stream->streamRepresentation.streamInfo.outputLatency =
- (double)( PaUtil_GetBufferProcessorOutputLatency(&stream->bufferProcessor)
- + stream->outputLatency) / sampleRate; // seconds
- stream->streamRepresentation.streamInfo.sampleRate = sampleRate;
-
- // the code below prints the ASIO latency which doesn't include the
- // buffer processor latency. it reports the added latency separately
- PA_DEBUG(("PaAsio : ASIO InputLatency = %ld (%ld ms), added buffProc:%ld (%ld ms)\n",
- stream->inputLatency,
- (long)((stream->inputLatency*1000)/ sampleRate),
- PaUtil_GetBufferProcessorInputLatency(&stream->bufferProcessor),
- (long)((PaUtil_GetBufferProcessorInputLatency(&stream->bufferProcessor)*1000)/ sampleRate)
- ));
-
- PA_DEBUG(("PaAsio : ASIO OuputLatency = %ld (%ld ms), added buffProc:%ld (%ld ms)\n",
- stream->outputLatency,
- (long)((stream->outputLatency*1000)/ sampleRate),
- PaUtil_GetBufferProcessorOutputLatency(&stream->bufferProcessor),
- (long)((PaUtil_GetBufferProcessorOutputLatency(&stream->bufferProcessor)*1000)/ sampleRate)
- ));
-
- stream->asioHostApi = asioHostApi;
- stream->framesPerHostCallback = framesPerHostBuffer;
-
- stream->inputChannelCount = inputChannelCount;
- stream->outputChannelCount = outputChannelCount;
- stream->postOutput = driverInfo->postOutput;
- stream->isActive = 0;
-
- asioHostApi->openAsioDeviceIndex = asioDeviceIndex;
-
- *s = (PaStream*)stream;
-
- return result;
-
-error:
- if( stream )
- {
- if( completedBuffersPlayedEventInited )
- CloseHandle( stream->completedBuffersPlayedEvent );
-
- if( stream->asioBufferInfos )
- PaUtil_FreeMemory( stream->asioBufferInfos );
-
- if( stream->asioChannelInfos )
- PaUtil_FreeMemory( stream->asioChannelInfos );
-
- if( stream->bufferPtrs )
- PaUtil_FreeMemory( stream->bufferPtrs );
-
- PaUtil_FreeMemory( stream );
- }
-
- if( asioBuffersCreated )
- ASIODisposeBuffers();
-
- if( asioIsInitialized )
- ASIOExit();
-
- return result;
-}
-
-
-/*
- When CloseStream() is called, the multi-api layer ensures that
- the stream has already been stopped or aborted.
-*/
-static PaError CloseStream( PaStream* s )
-{
- PaError result = paNoError;
- PaAsioStream *stream = (PaAsioStream*)s;
-
- /*
- IMPLEMENT ME:
- - additional stream closing + cleanup
- */
-
- PaUtil_TerminateBufferProcessor( &stream->bufferProcessor );
- PaUtil_TerminateStreamRepresentation( &stream->streamRepresentation );
-
- stream->asioHostApi->openAsioDeviceIndex = paNoDevice;
-
- CloseHandle( stream->completedBuffersPlayedEvent );
-
- PaUtil_FreeMemory( stream->asioBufferInfos );
- PaUtil_FreeMemory( stream->asioChannelInfos );
- PaUtil_FreeMemory( stream->bufferPtrs );
- PaUtil_FreeMemory( stream );
-
- ASIODisposeBuffers();
- ASIOExit();
-
- return result;
-}
-
-
-static void bufferSwitch(long index, ASIOBool directProcess)
-{
-//TAKEN FROM THE ASIO SDK
-
- // the actual processing callback.
- // Beware that this is normally in a seperate thread, hence be sure that
- // you take care about thread synchronization. This is omitted here for
- // simplicity.
-
- // as this is a "back door" into the bufferSwitchTimeInfo a timeInfo needs
- // to be created though it will only set the timeInfo.samplePosition and
- // timeInfo.systemTime fields and the according flags
-
- ASIOTime timeInfo;
- memset( &timeInfo, 0, sizeof (timeInfo) );
-
- // get the time stamp of the buffer, not necessary if no
- // synchronization to other media is required
- if( ASIOGetSamplePosition(&timeInfo.timeInfo.samplePosition, &timeInfo.timeInfo.systemTime) == ASE_OK)
- timeInfo.timeInfo.flags = kSystemTimeValid | kSamplePositionValid;
-
- // Call the real callback
- bufferSwitchTimeInfo( &timeInfo, index, directProcess );
-}
-
-
-// conversion from 64 bit ASIOSample/ASIOTimeStamp to double float
-#if NATIVE_INT64
- #define ASIO64toDouble(a) (a)
-#else
- const double twoRaisedTo32 = 4294967296.;
- #define ASIO64toDouble(a) ((a).lo + (a).hi * twoRaisedTo32)
-#endif
-
-static ASIOTime *bufferSwitchTimeInfo( ASIOTime *timeInfo, long index, ASIOBool directProcess )
-{
- // the actual processing callback.
- // Beware that this is normally in a seperate thread, hence be sure that
- // you take care about thread synchronization.
-
-
- /* The SDK says the following about the directProcess flag:
- suggests to the host whether it should immediately start processing
- (directProcess == ASIOTrue), or whether its process should be deferred
- because the call comes from a very low level (for instance, a high level
- priority interrupt), and direct processing would cause timing instabilities for
- the rest of the system. If in doubt, directProcess should be set to ASIOFalse.
-
- We just ignore directProcess. This could cause incompatibilities with
- drivers which really don't want the audio processing to occur in this
- callback, but none have been identified yet.
- */
-
- (void) directProcess; /* suppress unused parameter warning */
-
-#if 0
- // store the timeInfo for later use
- asioDriverInfo.tInfo = *timeInfo;
-
- // get the time stamp of the buffer, not necessary if no
- // synchronization to other media is required
-
- if (timeInfo->timeInfo.flags & kSystemTimeValid)
- asioDriverInfo.nanoSeconds = ASIO64toDouble(timeInfo->timeInfo.systemTime);
- else
- asioDriverInfo.nanoSeconds = 0;
-
- if (timeInfo->timeInfo.flags & kSamplePositionValid)
- asioDriverInfo.samples = ASIO64toDouble(timeInfo->timeInfo.samplePosition);
- else
- asioDriverInfo.samples = 0;
-
- if (timeInfo->timeCode.flags & kTcValid)
- asioDriverInfo.tcSamples = ASIO64toDouble(timeInfo->timeCode.timeCodeSamples);
- else
- asioDriverInfo.tcSamples = 0;
-
- // get the system reference time
- asioDriverInfo.sysRefTime = get_sys_reference_time();
-#endif
-
-#if 0
- // a few debug messages for the Windows device driver developer
- // tells you the time when driver got its interrupt and the delay until the app receives
- // the event notification.
- static double last_samples = 0;
- char tmp[128];
- sprintf (tmp, "diff: %d / %d ms / %d ms / %d samples \n", asioDriverInfo.sysRefTime - (long)(asioDriverInfo.nanoSeconds / 1000000.0), asioDriverInfo.sysRefTime, (long)(asioDriverInfo.nanoSeconds / 1000000.0), (long)(asioDriverInfo.samples - last_samples));
- OutputDebugString (tmp);
- last_samples = asioDriverInfo.samples;
-#endif
-
-
- if( !theAsioStream )
- return 0L;
-
- // Keep sample position
- // FIXME: asioDriverInfo.pahsc_NumFramesDone = timeInfo->timeInfo.samplePosition.lo;
-
-
- // protect against reentrancy
- if( PaAsio_AtomicIncrement(&theAsioStream->reenterCount) )
- {
- theAsioStream->reenterError++;
- //DBUG(("bufferSwitchTimeInfo : reentrancy detection = %d\n", asioDriverInfo.reenterError));
- return 0L;
- }
-
- int buffersDone = 0;
-
- do
- {
- if( buffersDone > 0 )
- {
- // this is a reentered buffer, we missed processing it on time
- // set the input overflow and output underflow flags as appropriate
-
- if( theAsioStream->inputChannelCount > 0 )
- theAsioStream->callbackFlags |= paInputOverflow;
-
- if( theAsioStream->outputChannelCount > 0 )
- theAsioStream->callbackFlags |= paOutputUnderflow;
- }
- else
- {
- if( theAsioStream->zeroOutput )
- {
- ZeroOutputBuffers( theAsioStream, index );
-
- // Finally if the driver supports the ASIOOutputReady() optimization,
- // do it here, all data are in place
- if( theAsioStream->postOutput )
- ASIOOutputReady();
-
- if( theAsioStream->stopProcessing )
- {
- if( theAsioStream->stopPlayoutCount < 2 )
- {
- ++theAsioStream->stopPlayoutCount;
- if( theAsioStream->stopPlayoutCount == 2 )
- {
- theAsioStream->isActive = 0;
- if( theAsioStream->streamRepresentation.streamFinishedCallback != 0 )
- theAsioStream->streamRepresentation.streamFinishedCallback( theAsioStream->streamRepresentation.userData );
- theAsioStream->streamFinishedCallbackCalled = true;
- SetEvent( theAsioStream->completedBuffersPlayedEvent );
- }
- }
- }
- }
- else
- {
-
-#if 0
-// test code to try to detect slip conditions... these may work on some systems
-// but neither of them work on the RME Digi96
-
-// check that sample delta matches buffer size (otherwise we must have skipped
-// a buffer.
-static double last_samples = -512;
-double samples;
-//if( timeInfo->timeCode.flags & kTcValid )
-// samples = ASIO64toDouble(timeInfo->timeCode.timeCodeSamples);
-//else
- samples = ASIO64toDouble(timeInfo->timeInfo.samplePosition);
-int delta = samples - last_samples;
-//printf( "%d\n", delta);
-last_samples = samples;
-
-if( delta > theAsioStream->framesPerHostCallback )
-{
- if( theAsioStream->inputChannelCount > 0 )
- theAsioStream->callbackFlags |= paInputOverflow;
-
- if( theAsioStream->outputChannelCount > 0 )
- theAsioStream->callbackFlags |= paOutputUnderflow;
-}
-
-// check that the buffer index is not the previous index (which would indicate
-// that a buffer was skipped.
-static int previousIndex = 1;
-if( index == previousIndex )
-{
- if( theAsioStream->inputChannelCount > 0 )
- theAsioStream->callbackFlags |= paInputOverflow;
-
- if( theAsioStream->outputChannelCount > 0 )
- theAsioStream->callbackFlags |= paOutputUnderflow;
-}
-previousIndex = index;
-#endif
-
- int i;
-
- PaUtil_BeginCpuLoadMeasurement( &theAsioStream->cpuLoadMeasurer );
-
- PaStreamCallbackTimeInfo paTimeInfo;
-
- // asio systemTime is supposed to be measured according to the same
- // clock as timeGetTime
- paTimeInfo.currentTime = (ASIO64toDouble( timeInfo->timeInfo.systemTime ) * .000000001);
-
- /* patch from Paul Boege */
- paTimeInfo.inputBufferAdcTime = paTimeInfo.currentTime -
- ((double)theAsioStream->inputLatency/theAsioStream->streamRepresentation.streamInfo.sampleRate);
-
- paTimeInfo.outputBufferDacTime = paTimeInfo.currentTime +
- ((double)theAsioStream->outputLatency/theAsioStream->streamRepresentation.streamInfo.sampleRate);
-
- /* old version is buggy because the buffer processor also adds in its latency to the time parameters
- paTimeInfo.inputBufferAdcTime = paTimeInfo.currentTime - theAsioStream->streamRepresentation.streamInfo.inputLatency;
- paTimeInfo.outputBufferDacTime = paTimeInfo.currentTime + theAsioStream->streamRepresentation.streamInfo.outputLatency;
- */
-#if 1
-// detect underflows by checking inter-callback time > 2 buffer period
-static double previousTime = -1;
-if( previousTime > 0 ){
-
- double delta = paTimeInfo.currentTime - previousTime;
-
- if( delta >= 2. * (theAsioStream->framesPerHostCallback / theAsioStream->streamRepresentation.streamInfo.sampleRate) ){
- if( theAsioStream->inputChannelCount > 0 )
- theAsioStream->callbackFlags |= paInputOverflow;
-
- if( theAsioStream->outputChannelCount > 0 )
- theAsioStream->callbackFlags |= paOutputUnderflow;
- }
-}
-previousTime = paTimeInfo.currentTime;
-#endif
-
- // note that the above input and output times do not need to be
- // adjusted for the latency of the buffer processor -- the buffer
- // processor handles that.
-
- if( theAsioStream->inputBufferConverter )
- {
- for( i=0; i<theAsioStream->inputChannelCount; i++ )
- {
- theAsioStream->inputBufferConverter( theAsioStream->inputBufferPtrs[index][i],
- theAsioStream->inputShift, theAsioStream->framesPerHostCallback );
- }
- }
-
- PaUtil_BeginBufferProcessing( &theAsioStream->bufferProcessor, &paTimeInfo, theAsioStream->callbackFlags );
-
- /* reset status flags once they've been passed to the callback */
- theAsioStream->callbackFlags = 0;
-
- PaUtil_SetInputFrameCount( &theAsioStream->bufferProcessor, 0 /* default to host buffer size */ );
- for( i=0; i<theAsioStream->inputChannelCount; ++i )
- PaUtil_SetNonInterleavedInputChannel( &theAsioStream->bufferProcessor, i, theAsioStream->inputBufferPtrs[index][i] );
-
- PaUtil_SetOutputFrameCount( &theAsioStream->bufferProcessor, 0 /* default to host buffer size */ );
- for( i=0; i<theAsioStream->outputChannelCount; ++i )
- PaUtil_SetNonInterleavedOutputChannel( &theAsioStream->bufferProcessor, i, theAsioStream->outputBufferPtrs[index][i] );
-
- int callbackResult;
- if( theAsioStream->stopProcessing )
- callbackResult = paComplete;
- else
- callbackResult = paContinue;
- unsigned long framesProcessed = PaUtil_EndBufferProcessing( &theAsioStream->bufferProcessor, &callbackResult );
-
- if( theAsioStream->outputBufferConverter )
- {
- for( i=0; i<theAsioStream->outputChannelCount; i++ )
- {
- theAsioStream->outputBufferConverter( theAsioStream->outputBufferPtrs[index][i],
- theAsioStream->outputShift, theAsioStream->framesPerHostCallback );
- }
- }
-
- PaUtil_EndCpuLoadMeasurement( &theAsioStream->cpuLoadMeasurer, framesProcessed );
-
- // Finally if the driver supports the ASIOOutputReady() optimization,
- // do it here, all data are in place
- if( theAsioStream->postOutput )
- ASIOOutputReady();
-
- if( callbackResult == paContinue )
- {
- /* nothing special to do */
- }
- else if( callbackResult == paAbort )
- {
- /* finish playback immediately */
- theAsioStream->isActive = 0;
- if( theAsioStream->streamRepresentation.streamFinishedCallback != 0 )
- theAsioStream->streamRepresentation.streamFinishedCallback( theAsioStream->streamRepresentation.userData );
- theAsioStream->streamFinishedCallbackCalled = true;
- SetEvent( theAsioStream->completedBuffersPlayedEvent );
- theAsioStream->zeroOutput = true;
- }
- else /* paComplete or other non-zero value indicating complete */
- {
- /* Finish playback once currently queued audio has completed. */
- theAsioStream->stopProcessing = true;
-
- if( PaUtil_IsBufferProcessorOutputEmpty( &theAsioStream->bufferProcessor ) )
- {
- theAsioStream->zeroOutput = true;
- theAsioStream->stopPlayoutCount = 0;
- }
- }
- }
- }
-
- ++buffersDone;
- }while( PaAsio_AtomicDecrement(&theAsioStream->reenterCount) >= 0 );
-
- return 0L;
-}
-
-
-static void sampleRateChanged(ASIOSampleRate sRate)
-{
- // TAKEN FROM THE ASIO SDK
- // do whatever you need to do if the sample rate changed
- // usually this only happens during external sync.
- // Audio processing is not stopped by the driver, actual sample rate
- // might not have even changed, maybe only the sample rate status of an
- // AES/EBU or S/PDIF digital input at the audio device.
- // You might have to update time/sample related conversion routines, etc.
-
- (void) sRate; /* unused parameter */
- PA_DEBUG( ("sampleRateChanged : %d \n", sRate));
-}
-
-static long asioMessages(long selector, long value, void* message, double* opt)
-{
-// TAKEN FROM THE ASIO SDK
- // currently the parameters "value", "message" and "opt" are not used.
- long ret = 0;
-
- (void) message; /* unused parameters */
- (void) opt;
-
- PA_DEBUG( ("asioMessages : %d , %d \n", selector, value));
-
- switch(selector)
- {
- case kAsioSelectorSupported:
- if(value == kAsioResetRequest
- || value == kAsioEngineVersion
- || value == kAsioResyncRequest
- || value == kAsioLatenciesChanged
- // the following three were added for ASIO 2.0, you don't necessarily have to support them
- || value == kAsioSupportsTimeInfo
- || value == kAsioSupportsTimeCode
- || value == kAsioSupportsInputMonitor)
- ret = 1L;
- break;
-
- case kAsioBufferSizeChange:
- //printf("kAsioBufferSizeChange \n");
- break;
-
- case kAsioResetRequest:
- // defer the task and perform the reset of the driver during the next "safe" situation
- // You cannot reset the driver right now, as this code is called from the driver.
- // Reset the driver is done by completely destruct is. I.e. ASIOStop(), ASIODisposeBuffers(), Destruction
- // Afterwards you initialize the driver again.
-
- /*FIXME: commented the next line out */
- //asioDriverInfo.stopped; // In this sample the processing will just stop
- ret = 1L;
- break;
-
- case kAsioResyncRequest:
- // This informs the application, that the driver encountered some non fatal data loss.
- // It is used for synchronization purposes of different media.
- // Added mainly to work around the Win16Mutex problems in Windows 95/98 with the
- // Windows Multimedia system, which could loose data because the Mutex was hold too long
- // by another thread.
- // However a driver can issue it in other situations, too.
- ret = 1L;
- break;
-
- case kAsioLatenciesChanged:
- // This will inform the host application that the drivers were latencies changed.
- // Beware, it this does not mean that the buffer sizes have changed!
- // You might need to update internal delay data.
- ret = 1L;
- //printf("kAsioLatenciesChanged \n");
- break;
-
- case kAsioEngineVersion:
- // return the supported ASIO version of the host application
- // If a host applications does not implement this selector, ASIO 1.0 is assumed
- // by the driver
- ret = 2L;
- break;
-
- case kAsioSupportsTimeInfo:
- // informs the driver wether the asioCallbacks.bufferSwitchTimeInfo() callback
- // is supported.
- // For compatibility with ASIO 1.0 drivers the host application should always support
- // the "old" bufferSwitch method, too.
- ret = 1;
- break;
-
- case kAsioSupportsTimeCode:
- // informs the driver wether application is interested in time code info.
- // If an application does not need to know about time code, the driver has less work
- // to do.
- ret = 0;
- break;
- }
- return ret;
-}
-
-
-static PaError StartStream( PaStream *s )
-{
- PaError result = paNoError;
- PaAsioStream *stream = (PaAsioStream*)s;
- ASIOError asioError;
-
- if( stream->outputChannelCount > 0 )
- {
- ZeroOutputBuffers( stream, 0 );
- ZeroOutputBuffers( stream, 1 );
- }
-
- PaUtil_ResetBufferProcessor( &stream->bufferProcessor );
- stream->stopProcessing = false;
- stream->zeroOutput = false;
-
- /* Reentrancy counter initialisation */
- stream->reenterCount = -1;
- stream->reenterError = 0;
-
- stream->callbackFlags = 0;
-
- if( ResetEvent( stream->completedBuffersPlayedEvent ) == 0 )
- {
- result = paUnanticipatedHostError;
- PA_ASIO_SET_LAST_SYSTEM_ERROR( GetLastError() );
- }
-
- if( result == paNoError )
- {
- theAsioStream = stream;
- asioError = ASIOStart();
- if( asioError == ASE_OK )
- {
- stream->isActive = 1;
- stream->streamFinishedCallbackCalled = false;
- }
- else
- {
- theAsioStream = 0;
- result = paUnanticipatedHostError;
- PA_ASIO_SET_LAST_ASIO_ERROR( asioError );
- }
- }
-
- return result;
-}
-
-
-static PaError StopStream( PaStream *s )
-{
- PaError result = paNoError;
- PaAsioStream *stream = (PaAsioStream*)s;
- ASIOError asioError;
-
- if( stream->isActive )
- {
- stream->stopProcessing = true;
-
- /* wait for the stream to finish playing out enqueued buffers.
- timeout after four times the stream latency.
-
- @todo should use a better time out value - if the user buffer
- length is longer than the asio buffer size then that should
- be taken into account.
- */
- if( WaitForSingleObject( theAsioStream->completedBuffersPlayedEvent,
- (DWORD)(stream->streamRepresentation.streamInfo.outputLatency * 1000. * 4.) )
- == WAIT_TIMEOUT )
- {
- PA_DEBUG(("WaitForSingleObject() timed out in StopStream()\n" ));
- }
- }
-
- asioError = ASIOStop();
- if( asioError != ASE_OK )
- {
- result = paUnanticipatedHostError;
- PA_ASIO_SET_LAST_ASIO_ERROR( asioError );
- }
-
- theAsioStream = 0;
- stream->isActive = 0;
-
- if( !stream->streamFinishedCallbackCalled )
- {
- if( stream->streamRepresentation.streamFinishedCallback != 0 )
- stream->streamRepresentation.streamFinishedCallback( stream->streamRepresentation.userData );
- }
-
- return result;
-}
-
-
-static PaError AbortStream( PaStream *s )
-{
- PaError result = paNoError;
- PaAsioStream *stream = (PaAsioStream*)s;
- ASIOError asioError;
-
- stream->zeroOutput = true;
-
- asioError = ASIOStop();
- if( asioError != ASE_OK )
- {
- result = paUnanticipatedHostError;
- PA_ASIO_SET_LAST_ASIO_ERROR( asioError );
- }
- else
- {
- // make sure that the callback is not still in-flight when ASIOStop()
- // returns. This has been observed to happen on the Hoontech DSP24 for
- // example.
- int count = 2000; // only wait for 2 seconds, rather than hanging.
- while( theAsioStream->reenterCount != -1 && count > 0 )
- {
- Sleep(1);
- --count;
- }
- }
-
- /* it is questionable whether we should zero theAsioStream if ASIOStop()
- returns an error, because the callback could still be active. We assume
- not - this is based on the fact that ASIOStop is unlikely to fail
- if the callback is running - it's more likely to fail because the
- callback is not running. */
-
- theAsioStream = 0;
- stream->isActive = 0;
-
- if( !stream->streamFinishedCallbackCalled )
- {
- if( stream->streamRepresentation.streamFinishedCallback != 0 )
- stream->streamRepresentation.streamFinishedCallback( stream->streamRepresentation.userData );
- }
-
- return result;
-}
-
-
-static PaError IsStreamStopped( PaStream *s )
-{
- //PaAsioStream *stream = (PaAsioStream*)s;
- (void) s; /* unused parameter */
- return theAsioStream == 0;
-}
-
-
-static PaError IsStreamActive( PaStream *s )
-{
- PaAsioStream *stream = (PaAsioStream*)s;
-
- return stream->isActive;
-}
-
-
-static PaTime GetStreamTime( PaStream *s )
-{
- (void) s; /* unused parameter */
- return (double)timeGetTime() * .001;
-}
-
-
-static double GetStreamCpuLoad( PaStream* s )
-{
- PaAsioStream *stream = (PaAsioStream*)s;
-
- return PaUtil_GetCpuLoad( &stream->cpuLoadMeasurer );
-}
-
-
-/*
- As separate stream interfaces are used for blocking and callback
- streams, the following functions can be guaranteed to only be called
- for blocking streams.
-*/
-
-static PaError ReadStream( PaStream* s,
- void *buffer,
- unsigned long frames )
-{
- PaAsioStream *stream = (PaAsioStream*)s;
-
- /* IMPLEMENT ME, see portaudio.h for required behavior*/
- (void) stream; /* unused parameters */
- (void) buffer;
- (void) frames;
-
- return paNoError;
-}
-
-
-static PaError WriteStream( PaStream* s,
- const void *buffer,
- unsigned long frames )
-{
- PaAsioStream *stream = (PaAsioStream*)s;
-
- /* IMPLEMENT ME, see portaudio.h for required behavior*/
- (void) stream; /* unused parameters */
- (void) buffer;
- (void) frames;
-
- return paNoError;
-}
-
-
-static signed long GetStreamReadAvailable( PaStream* s )
-{
- PaAsioStream *stream = (PaAsioStream*)s;
-
- /* IMPLEMENT ME, see portaudio.h for required behavior*/
- (void) stream; /* unused parameter */
-
- return 0;
-}
-
-
-static signed long GetStreamWriteAvailable( PaStream* s )
-{
- PaAsioStream *stream = (PaAsioStream*)s;
-
- /* IMPLEMENT ME, see portaudio.h for required behavior*/
- (void) stream; /* unused parameter */
-
- return 0;
-}
-
-
-PaError PaAsio_ShowControlPanel( PaDeviceIndex device, void* systemSpecific )
-{
- PaError result = paNoError;
- PaUtilHostApiRepresentation *hostApi;
- PaDeviceIndex hostApiDevice;
- ASIODriverInfo asioDriverInfo;
- ASIOError asioError;
- int asioIsInitialized = 0;
- PaAsioHostApiRepresentation *asioHostApi;
- PaAsioDeviceInfo *asioDeviceInfo;
-
-
- result = PaUtil_GetHostApiRepresentation( &hostApi, paASIO );
- if( result != paNoError )
- goto error;
-
- result = PaUtil_DeviceIndexToHostApiDeviceIndex( &hostApiDevice, device, hostApi );
- if( result != paNoError )
- goto error;
-
- /*
- In theory we could proceed if the currently open device was the same
- one for which the control panel was requested, however because the
- window pointer is not available until this function is called we
- currently need to call ASIOInit() again here, which of course can't be
- done safely while a stream is open.
- */
-
- asioHostApi = (PaAsioHostApiRepresentation*)hostApi;
- if( asioHostApi->openAsioDeviceIndex != paNoDevice )
- {
- result = paDeviceUnavailable;
- goto error;
- }
-
- asioDeviceInfo = (PaAsioDeviceInfo*)hostApi->deviceInfos[hostApiDevice];
-
- if( !loadAsioDriver( const_cast<char*>(asioDeviceInfo->commonDeviceInfo.name) ) )
- {
- result = paUnanticipatedHostError;
- goto error;
- }
-
- /* CRUCIAL!!! */
- memset( &asioDriverInfo, 0, sizeof(ASIODriverInfo) );
- asioDriverInfo.asioVersion = 2;
- asioDriverInfo.sysRef = systemSpecific;
- asioError = ASIOInit( &asioDriverInfo );
- if( asioError != ASE_OK )
- {
- result = paUnanticipatedHostError;
- PA_ASIO_SET_LAST_ASIO_ERROR( asioError );
- goto error;
- }
- else
- {
- asioIsInitialized = 1;
- }
-
-PA_DEBUG(("PaAsio_ShowControlPanel: ASIOInit(): %s\n", PaAsio_GetAsioErrorText(asioError) ));
-PA_DEBUG(("asioVersion: ASIOInit(): %ld\n", asioDriverInfo.asioVersion ));
-PA_DEBUG(("driverVersion: ASIOInit(): %ld\n", asioDriverInfo.driverVersion ));
-PA_DEBUG(("Name: ASIOInit(): %s\n", asioDriverInfo.name ));
-PA_DEBUG(("ErrorMessage: ASIOInit(): %s\n", asioDriverInfo.errorMessage ));
-
- asioError = ASIOControlPanel();
- if( asioError != ASE_OK )
- {
- PA_DEBUG(("PaAsio_ShowControlPanel: ASIOControlPanel(): %s\n", PaAsio_GetAsioErrorText(asioError) ));
- result = paUnanticipatedHostError;
- PA_ASIO_SET_LAST_ASIO_ERROR( asioError );
- goto error;
- }
-
-PA_DEBUG(("PaAsio_ShowControlPanel: ASIOControlPanel(): %s\n", PaAsio_GetAsioErrorText(asioError) ));
-
- asioError = ASIOExit();
- if( asioError != ASE_OK )
- {
- result = paUnanticipatedHostError;
- PA_ASIO_SET_LAST_ASIO_ERROR( asioError );
- asioIsInitialized = 0;
- goto error;
- }
-
-PA_DEBUG(("PaAsio_ShowControlPanel: ASIOExit(): %s\n", PaAsio_GetAsioErrorText(asioError) ));
-
- return result;
-
-error:
- if( asioIsInitialized )
- ASIOExit();
-
- return result;
-}
-
-
-PaError PaAsio_GetInputChannelName( PaDeviceIndex device, int channelIndex,
- const char** channelName )
-{
- PaError result = paNoError;
- PaUtilHostApiRepresentation *hostApi;
- PaDeviceIndex hostApiDevice;
- PaAsioDeviceInfo *asioDeviceInfo;
-
-
- result = PaUtil_GetHostApiRepresentation( &hostApi, paASIO );
- if( result != paNoError )
- goto error;
-
- result = PaUtil_DeviceIndexToHostApiDeviceIndex( &hostApiDevice, device, hostApi );
- if( result != paNoError )
- goto error;
-
- asioDeviceInfo = (PaAsioDeviceInfo*)hostApi->deviceInfos[hostApiDevice];
-
- if( channelIndex < 0 || channelIndex >= asioDeviceInfo->commonDeviceInfo.maxInputChannels ){
- result = paInvalidChannelCount;
- goto error;
- }
-
- *channelName = asioDeviceInfo->asioChannelInfos[channelIndex].name;
-
- return paNoError;
-
-error:
- return result;
-}
-
-
-PaError PaAsio_GetOutputChannelName( PaDeviceIndex device, int channelIndex,
- const char** channelName )
-{
- PaError result = paNoError;
- PaUtilHostApiRepresentation *hostApi;
- PaDeviceIndex hostApiDevice;
- PaAsioDeviceInfo *asioDeviceInfo;
-
-
- result = PaUtil_GetHostApiRepresentation( &hostApi, paASIO );
- if( result != paNoError )
- goto error;
-
- result = PaUtil_DeviceIndexToHostApiDeviceIndex( &hostApiDevice, device, hostApi );
- if( result != paNoError )
- goto error;
-
- asioDeviceInfo = (PaAsioDeviceInfo*)hostApi->deviceInfos[hostApiDevice];
-
- if( channelIndex < 0 || channelIndex >= asioDeviceInfo->commonDeviceInfo.maxOutputChannels ){
- result = paInvalidChannelCount;
- goto error;
- }
-
- *channelName = asioDeviceInfo->asioChannelInfos[
- asioDeviceInfo->commonDeviceInfo.maxInputChannels + channelIndex].name;
-
- return paNoError;
-
-error:
- return result;
-}
diff --git a/src/audio/portaudio/pa_asio/pa_asio.h b/src/audio/portaudio/pa_asio/pa_asio.h
deleted file mode 100644
index 5739305724..0000000000
--- a/src/audio/portaudio/pa_asio/pa_asio.h
+++ /dev/null
@@ -1,122 +0,0 @@
-#ifndef PA_ASIO_H
-#define PA_ASIO_H
-/*
- * $Id$
- * PortAudio Portable Real-Time Audio Library
- * ASIO specific extensions
- *
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-
-/** @file
- @brief ASIO-specific PortAudio API extension header file.
-*/
-
-
-#include "portaudio.h"
-
-#ifdef __cplusplus
-extern "C"
-{
-#endif /* __cplusplus */
-
-
-/** Retrieve legal latency settings for the specificed device, in samples.
-
- @param device The global index of the device about which the query is being made.
- @param minLatency A pointer to the location which will recieve the minimum latency value.
- @param maxLatency A pointer to the location which will recieve the maximum latency value.
- @param preferredLatency A pointer to the location which will recieve the preferred latency value.
- @param granularity A pointer to the location which will recieve the granularity. This value
- determines which values between minLatency and maxLatency are available. ie the step size,
- if granularity is -1 then available latency settings are powers of two.
-
- @see ASIOGetBufferSize in the ASIO SDK.
-
- @todo This function should have a better name, any suggestions?
-*/
-PaError PaAsio_GetAvailableLatencyValues( PaDeviceIndex device,
- long *minLatency, long *maxLatency, long *preferredLatency, long *granularity );
-
-
-/** Display the ASIO control panel for the specified device.
-
- @param device The global index of the device whose control panel is to be displayed.
- @param systemSpecific On Windows, the calling application's main window handle,
- on Macintosh this value should be zero.
-*/
-PaError PaAsio_ShowControlPanel( PaDeviceIndex device, void* systemSpecific );
-
-
-
-
-/** Retrieve a pointer to a string containing the name of the specified
- input channel. The string is valid until Pa_Terminate is called.
-
- The string will be no longer than 32 characters including the null terminator.
-*/
-PaError PaAsio_GetInputChannelName( PaDeviceIndex device, int channelIndex,
- const char** channelName );
-
-
-/** Retrieve a pointer to a string containing the name of the specified
- input channel. The string is valid until Pa_Terminate is called.
-
- The string will be no longer than 32 characters including the null terminator.
-*/
-PaError PaAsio_GetOutputChannelName( PaDeviceIndex device, int channelIndex,
- const char** channelName );
-
-
-#define paAsioUseChannelSelectors (0x01)
-
-typedef struct PaAsioStreamInfo{
- unsigned long size; /**< sizeof(PaAsioStreamInfo) */
- PaHostApiTypeId hostApiType; /**< paASIO */
- unsigned long version; /**< 1 */
-
- unsigned long flags;
-
- /* Support for opening only specific channels of an ASIO device.
- If the paAsioUseChannelSelectors flag is set, channelSelectors is a
- pointer to an array of integers specifying the device channels to use.
- When used, the length of the channelSelectors array must match the
- corresponding channelCount parameter to Pa_OpenStream() otherwise a
- crash may result.
- The values in the selectors array must specify channels within the
- range of supported channels for the device or paInvalidChannelCount will
- result.
- */
- int *channelSelectors;
-}PaAsioStreamInfo;
-
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
-
-#endif /* PA_ASIO_H */
diff --git a/src/audio/portaudio/pa_beos/PlaybackNode.cc b/src/audio/portaudio/pa_beos/PlaybackNode.cc
deleted file mode 100644
index 84d5453414..0000000000
--- a/src/audio/portaudio/pa_beos/PlaybackNode.cc
+++ /dev/null
@@ -1,538 +0,0 @@
-/*
- * $Id$
- * PortAudio Portable Real-Time Audio Library
- * Latest Version at: http://www.portaudio.com
- * BeOS Media Kit Implementation by Joshua Haberman
- *
- * Copyright (c) 2001 Joshua Haberman <joshua@haberman.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- * ---
- *
- * Significant portions of this file are based on sample code from Be. The
- * Be Sample Code Licence follows:
- *
- * Copyright 1991-1999, Be Incorporated.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions, and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions, and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * 3. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF TITLE, NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
- * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <stdio.h>
-
-#include <be/media/BufferGroup.h>
-#include <be/media/Buffer.h>
-#include <be/media/TimeSource.h>
-
-#include "PlaybackNode.h"
-
-#define PRINT(x) { printf x; fflush(stdout); }
-
-#ifdef DEBUG
-#define DBUG(x) PRINT(x)
-#else
-#define DBUG(x)
-#endif
-
-
-PaPlaybackNode::PaPlaybackNode(uint32 channels, float frame_rate, uint32 frames_per_buffer,
- PortAudioCallback* callback, void *user_data) :
- BMediaNode("PortAudio input node"),
- BBufferProducer(B_MEDIA_RAW_AUDIO),
- BMediaEventLooper(),
- mAborted(false),
- mRunning(false),
- mBufferGroup(NULL),
- mDownstreamLatency(0),
- mStartTime(0),
- mCallback(callback),
- mUserData(user_data),
- mFramesPerBuffer(frames_per_buffer)
-{
- DBUG(("Constructor called.\n"));
-
- mPreferredFormat.type = B_MEDIA_RAW_AUDIO;
- mPreferredFormat.u.raw_audio.channel_count = channels;
- mPreferredFormat.u.raw_audio.frame_rate = frame_rate;
- mPreferredFormat.u.raw_audio.byte_order =
- (B_HOST_IS_BENDIAN) ? B_MEDIA_BIG_ENDIAN : B_MEDIA_LITTLE_ENDIAN;
- mPreferredFormat.u.raw_audio.buffer_size =
- media_raw_audio_format::wildcard.buffer_size;
-
- mOutput.destination = media_destination::null;
- mOutput.format = mPreferredFormat;
-
- /* The amount of time it takes for this node to produce a buffer when
- * asked. Essentially, it is how long the user's callback takes to run.
- * We set this to be the length of the sound data each buffer of the
- * requested size can hold. */
- //mInternalLatency = (bigtime_t)(1000000 * frames_per_buffer / frame_rate);
-
- /* ACK! it seems that the mixer (at least on my machine) demands that IT
- * specify the buffer size, so for now I'll just make a generic guess here */
- mInternalLatency = 1000000 / 20;
-}
-
-
-
-PaPlaybackNode::~PaPlaybackNode()
-{
- DBUG(("Destructor called.\n"));
- Quit(); /* Stop the BMediaEventLooper thread */
-}
-
-
-/*************************
- *
- * Local methods
- *
- */
-
-bool PaPlaybackNode::IsRunning()
-{
- return mRunning;
-}
-
-
-PaTimestamp PaPlaybackNode::GetStreamTime()
-{
- BTimeSource *timeSource = TimeSource();
- PaTimestamp time = (timeSource->Now() - mStartTime) *
- mPreferredFormat.u.raw_audio.frame_rate / 1000000;
- return time;
-}
-
-
-void PaPlaybackNode::SetSampleFormat(PaSampleFormat inFormat,
- PaSampleFormat outFormat)
-{
- uint32 beOutFormat;
-
- switch(outFormat)
- {
- case paFloat32:
- beOutFormat = media_raw_audio_format::B_AUDIO_FLOAT;
- mOutputSampleWidth = 4;
- break;
-
- case paInt16:
- beOutFormat = media_raw_audio_format::B_AUDIO_SHORT;
- mOutputSampleWidth = 2;
- break;
-
- case paInt32:
- beOutFormat = media_raw_audio_format::B_AUDIO_INT;
- mOutputSampleWidth = 4;
- break;
-
- case paInt8:
- beOutFormat = media_raw_audio_format::B_AUDIO_CHAR;
- mOutputSampleWidth = 1;
- break;
-
- case paUInt8:
- beOutFormat = media_raw_audio_format::B_AUDIO_UCHAR;
- mOutputSampleWidth = 1;
- break;
-
- case paInt24:
- case paPackedInt24:
- case paCustomFormat:
- DBUG(("Unsupported output format: %x\n", outFormat));
- break;
-
- default:
- DBUG(("Unknown output format: %x\n", outFormat));
- }
-
- mPreferredFormat.u.raw_audio.format = beOutFormat;
- mFramesPerBuffer * mPreferredFormat.u.raw_audio.channel_count * mOutputSampleWidth;
-}
-
-BBuffer *PaPlaybackNode::FillNextBuffer(bigtime_t time)
-{
- /* Get a buffer from the buffer group */
- BBuffer *buf = mBufferGroup->RequestBuffer(
- mOutput.format.u.raw_audio.buffer_size, BufferDuration());
- unsigned long frames = mOutput.format.u.raw_audio.buffer_size /
- mOutputSampleWidth / mOutput.format.u.raw_audio.channel_count;
- bigtime_t start_time;
- int ret;
-
- if( !buf )
- {
- DBUG(("Unable to allocate a buffer\n"));
- return NULL;
- }
-
- start_time = mStartTime +
- (bigtime_t)((double)mSamplesSent /
- (double)mOutput.format.u.raw_audio.frame_rate /
- (double)mOutput.format.u.raw_audio.channel_count *
- 1000000.0);
-
- /* Now call the user callback to get the data */
- ret = mCallback(NULL, /* Input buffer */
- buf->Data(), /* Output buffer */
- frames, /* Frames per buffer */
- mSamplesSent / mOutput.format.u.raw_audio.channel_count, /* timestamp */
- mUserData);
-
- if( ret )
- mAborted = true;
-
- media_header *hdr = buf->Header();
-
- hdr->type = B_MEDIA_RAW_AUDIO;
- hdr->size_used = mOutput.format.u.raw_audio.buffer_size;
- hdr->time_source = TimeSource()->ID();
- hdr->start_time = start_time;
-
- return buf;
-}
-
-
-
-
-/*************************
- *
- * BMediaNode methods
- *
- */
-
-BMediaAddOn *PaPlaybackNode::AddOn( int32 * ) const
-{
- DBUG(("AddOn() called.\n"));
- return NULL; /* we don't provide service to outside applications */
-}
-
-
-status_t PaPlaybackNode::HandleMessage( int32 message, const void *data,
- size_t size )
-{
- DBUG(("HandleMessage() called.\n"));
- return B_ERROR; /* we don't define any custom messages */
-}
-
-
-
-
-/*************************
- *
- * BMediaEventLooper methods
- *
- */
-
-void PaPlaybackNode::NodeRegistered()
-{
- DBUG(("NodeRegistered() called.\n"));
-
- /* Start the BMediaEventLooper thread */
- SetPriority(B_REAL_TIME_PRIORITY);
- Run();
-
- /* set up as much information about our output as we can */
- mOutput.source.port = ControlPort();
- mOutput.source.id = 0;
- mOutput.node = Node();
- ::strcpy(mOutput.name, "PortAudio Playback");
-}
-
-
-void PaPlaybackNode::HandleEvent( const media_timed_event *event,
- bigtime_t lateness, bool realTimeEvent )
-{
- // DBUG(("HandleEvent() called.\n"));
- status_t err;
-
- switch(event->type)
- {
- case BTimedEventQueue::B_START:
- DBUG((" Handling a B_START event\n"));
- if( RunState() != B_STARTED )
- {
- mStartTime = event->event_time + EventLatency();
- mSamplesSent = 0;
- mAborted = false;
- mRunning = true;
- media_timed_event firstEvent( mStartTime,
- BTimedEventQueue::B_HANDLE_BUFFER );
- EventQueue()->AddEvent( firstEvent );
- }
- break;
-
- case BTimedEventQueue::B_STOP:
- DBUG((" Handling a B_STOP event\n"));
- mRunning = false;
- EventQueue()->FlushEvents( 0, BTimedEventQueue::B_ALWAYS, true,
- BTimedEventQueue::B_HANDLE_BUFFER );
- break;
-
- case BTimedEventQueue::B_HANDLE_BUFFER:
- //DBUG((" Handling a B_HANDLE_BUFFER event\n"));
-
- /* make sure we're started and connected */
- if( RunState() != BMediaEventLooper::B_STARTED ||
- mOutput.destination == media_destination::null )
- break;
-
- BBuffer *buffer = FillNextBuffer(event->event_time);
-
- /* make sure we weren't aborted while this routine was running.
- * this can happen in one of two ways: either the callback returned
- * nonzero (in which case mAborted is set in FillNextBuffer() ) or
- * the client called AbortStream */
- if( mAborted )
- {
- if( buffer )
- buffer->Recycle();
- Stop(0, true);
- break;
- }
-
- if( buffer )
- {
- err = SendBuffer(buffer, mOutput.destination);
- if( err != B_OK )
- buffer->Recycle();
- }
-
- mSamplesSent += mOutput.format.u.raw_audio.buffer_size / mOutputSampleWidth;
-
- /* Now schedule the next buffer event, so we can send another
- * buffer when this one runs out. We calculate when it should
- * happen by calculating when the data we just sent will finish
- * playing.
- *
- * NOTE, however, that the event will actually get generated
- * earlier than we specify, to account for the latency it will
- * take to produce the buffer. It uses the latency value we
- * specified in SetEventLatency() to determine just how early
- * to generate it. */
-
- /* totalPerformanceTime includes the time represented by the buffer
- * we just sent */
- bigtime_t totalPerformanceTime = (bigtime_t)((double)mSamplesSent /
- (double)mOutput.format.u.raw_audio.channel_count /
- (double)mOutput.format.u.raw_audio.frame_rate * 1000000.0);
-
- bigtime_t nextEventTime = mStartTime + totalPerformanceTime;
-
- media_timed_event nextBufferEvent(nextEventTime,
- BTimedEventQueue::B_HANDLE_BUFFER);
- EventQueue()->AddEvent(nextBufferEvent);
-
- break;
-
- }
-}
-
-
-
-
-/*************************
- *
- * BBufferProducer methods
- *
- */
-
-status_t PaPlaybackNode::FormatSuggestionRequested( media_type type,
- int32 /*quality*/, media_format* format )
-{
- /* the caller wants to know this node's preferred format and provides
- * a suggestion, asking if we support it */
- DBUG(("FormatSuggestionRequested() called.\n"));
-
- if(!format)
- return B_BAD_VALUE;
-
- *format = mPreferredFormat;
-
- /* we only support raw audio (a wildcard is okay too) */
- if ( type == B_MEDIA_UNKNOWN_TYPE || type == B_MEDIA_RAW_AUDIO )
- return B_OK;
- else
- return B_MEDIA_BAD_FORMAT;
-}
-
-
-status_t PaPlaybackNode::FormatProposal( const media_source& output,
- media_format* format )
-{
- /* This is similar to FormatSuggestionRequested(), but it is actually part
- * of the negotiation process. We're given the opportunity to specify any
- * properties that are wildcards (ie. properties that the other node doesn't
- * care one way or another about) */
- DBUG(("FormatProposal() called.\n"));
-
- /* Make sure this proposal really applies to our output */
- if( output != mOutput.source )
- return B_MEDIA_BAD_SOURCE;
-
- /* We return two things: whether we support the proposed format, and our own
- * preferred format */
- *format = mPreferredFormat;
-
- if( format->type == B_MEDIA_UNKNOWN_TYPE || format->type == B_MEDIA_RAW_AUDIO )
- return B_OK;
- else
- return B_MEDIA_BAD_FORMAT;
-}
-
-
-status_t PaPlaybackNode::FormatChangeRequested( const media_source& source,
- const media_destination& destination, media_format* io_format, int32* )
-{
- /* we refuse to change formats, supporting only 1 */
- DBUG(("FormatChangeRequested() called.\n"));
-
- return B_ERROR;
-}
-
-
-status_t PaPlaybackNode::GetNextOutput( int32* cookie, media_output* out_output )
-{
- /* this is where we allow other to enumerate our outputs -- the cookie is
- * an integer we can use to keep track of where we are in enumeration. */
- DBUG(("GetNextOutput() called.\n"));
-
- if( *cookie == 0 )
- {
- *out_output = mOutput;
- *cookie = 1;
- return B_OK;
- }
-
- return B_BAD_INDEX;
-}
-
-
-status_t PaPlaybackNode::DisposeOutputCookie( int32 cookie )
-{
- DBUG(("DisposeOutputCookie() called.\n"));
- return B_OK;
-}
-
-
-void PaPlaybackNode::LateNoticeReceived( const media_source& what,
- bigtime_t how_much, bigtime_t performance_time )
-{
- /* This function is called as notification that a buffer we sent wasn't
- * received by the time we stamped it with -- it got there late. Basically,
- * it means we underestimated our own latency, so we should increase it */
- DBUG(("LateNoticeReceived() called.\n"));
-
- if( what != mOutput.source )
- return;
-
- if( RunMode() == B_INCREASE_LATENCY )
- {
- mInternalLatency += how_much;
- SetEventLatency( mDownstreamLatency + mInternalLatency );
- DBUG(("Increasing latency to %Ld\n", mDownstreamLatency + mInternalLatency));
- }
- else
- DBUG(("I don't know what to do with this notice!"));
-}
-
-
-void PaPlaybackNode::EnableOutput( const media_source& what, bool enabled,
- int32* )
-{
- DBUG(("EnableOutput() called.\n"));
- /* stub -- we don't support this yet */
-}
-
-
-status_t PaPlaybackNode::PrepareToConnect( const media_source& what,
- const media_destination& where, media_format* format,
- media_source* out_source, char* out_name )
-{
- /* the final stage of format negotiations. here we _must_ make specific any
- * remaining wildcards */
- DBUG(("PrepareToConnect() called.\n"));
-
- /* make sure this really refers to our source */
- if( what != mOutput.source )
- return B_MEDIA_BAD_SOURCE;
-
- /* make sure we're not already connected */
- if( mOutput.destination != media_destination::null )
- return B_MEDIA_ALREADY_CONNECTED;
-
- if( format->type != B_MEDIA_RAW_AUDIO )
- return B_MEDIA_BAD_FORMAT;
-
- if( format->u.raw_audio.format != mPreferredFormat.u.raw_audio.format )
- return B_MEDIA_BAD_FORMAT;
-
- if( format->u.raw_audio.buffer_size ==
- media_raw_audio_format::wildcard.buffer_size )
- {
- DBUG(("We were left to decide buffer size: choosing 2048"));
- format->u.raw_audio.buffer_size = 2048;
- }
- else
- DBUG(("Using consumer specified buffer size of %lu.\n",
- format->u.raw_audio.buffer_size));
-
- /* Reserve the connection, return the information */
- mOutput.destination = where;
- mOutput.format = *format;
- *out_source = mOutput.source;
- strncpy( out_name, mOutput.name, B_MEDIA_NAME_LENGTH );
-
- return B_OK;
-}
-
-
-void PaPlaybackNode::Connect(status_t error, const media_source& source,
- const media_destination& destination, const media_format& format, char* io_name)
-{
- DBUG(("Connect() called.\n"));
-
diff --git a/src/audio/portaudio/pa_beos/PlaybackNode.h b/src/audio/portaudio/pa_beos/PlaybackNode.h
deleted file mode 100644
index 64ee5b3bcb..0000000000
--- a/src/audio/portaudio/pa_beos/PlaybackNode.h
+++ /dev/null
@@ -1,108 +0,0 @@
-/*
- * $Id$
- * PortAudio Portable Real-Time Audio Library
- * Latest Version at: http://www.portaudio.com
- * BeOS Media Kit Implementation by Joshua Haberman
- *
- * Copyright (c) 2001 Joshua Haberman <joshua@haberman.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-
-#include <be/media/MediaRoster.h>
-#include <be/media/MediaEventLooper.h>
-#include <be/media/BufferProducer.h>
-
-#include "portaudio.h"
-
-class PaPlaybackNode :
- public BBufferProducer,
- public BMediaEventLooper
-{
-
-public:
- PaPlaybackNode( uint32 channels, float frame_rate, uint32 frames_per_buffer,
- PortAudioCallback *callback, void *user_data );
- ~PaPlaybackNode();
-
-
- /* Local methods ******************************************/
-
- BBuffer *FillNextBuffer(bigtime_t time);
- void SetSampleFormat(PaSampleFormat inFormat, PaSampleFormat outFormat);
- bool IsRunning();
- PaTimestamp GetStreamTime();
-
- /* BMediaNode methods *************************************/
-
- BMediaAddOn* AddOn( int32 * ) const;
- status_t HandleMessage( int32 message, const void *data, size_t size );
-
- /* BMediaEventLooper methods ******************************/
-
- void HandleEvent( const media_timed_event *event, bigtime_t lateness,
- bool realTimeEvent );
- void NodeRegistered();
-
- /* BBufferProducer methods ********************************/
-
- status_t FormatSuggestionRequested( media_type type, int32 quality,
- media_format* format );
- status_t FormatProposal( const media_source& output, media_format* format );
- status_t FormatChangeRequested( const media_source& source,
- const media_destination& destination, media_format* io_format, int32* );
-
- status_t GetNextOutput( int32* cookie, media_output* out_output );
- status_t DisposeOutputCookie( int32 cookie );
-
- void LateNoticeReceived( const media_source& what, bigtime_t how_much,
- bigtime_t performance_time );
- void EnableOutput( const media_source& what, bool enabled, int32* _deprecated_ );
-
- status_t PrepareToConnect( const media_source& what,
- const media_destination& where, media_format* format,
- media_source* out_source, char* out_name );
- void Connect(status_t error, const media_source& source,
- const media_destination& destination, const media_format& format,
- char* io_name);
- void Disconnect(const media_source& what, const media_destination& where);
-
- status_t SetBufferGroup(const media_source& for_source, BBufferGroup* newGroup);
-
- bool mAborted;
-
-private:
- media_output mOutput;
- media_format mPreferredFormat;
- uint32 mOutputSampleWidth, mFramesPerBuffer;
- BBufferGroup *mBufferGroup;
- bigtime_t mDownstreamLatency, mInternalLatency, mStartTime;
- uint64 mSamplesSent;
- PortAudioCallback *mCallback;
- void *mUserData;
- bool mRunning;
-
-};
-
diff --git a/src/audio/portaudio/pa_beos/pa_beos_mk.cc b/src/audio/portaudio/pa_beos/pa_beos_mk.cc
deleted file mode 100644
index 287ec5535c..0000000000
--- a/src/audio/portaudio/pa_beos/pa_beos_mk.cc
+++ /dev/null
@@ -1,441 +0,0 @@
-/*
- * $Id$
- * PortAudio Portable Real-Time Audio Library
- * Latest Version at: http://www.portaudio.com
- * BeOS Media Kit Implementation by Joshua Haberman
- *
- * Copyright (c) 2001 Joshua Haberman <joshua@haberman.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-
-#include <be/app/Application.h>
-#include <be/kernel/OS.h>
-#include <be/media/RealtimeAlloc.h>
-#include <be/media/MediaRoster.h>
-#include <be/media/TimeSource.h>
-
-#include <stdio.h>
-#include <string.h>
-
-#include "portaudio.h"
-#include "pa_host.h"
-
-#include "PlaybackNode.h"
-
-#define PRINT(x) { printf x; fflush(stdout); }
-
-#ifdef DEBUG
-#define DBUG(x) PRINT(x)
-#else
-#define DBUG(x)
-#endif
-
-typedef struct PaHostSoundControl
-{
- /* These members are common to all modes of operation */
- media_node pahsc_TimeSource; /* the sound card's DAC. */
- media_format pahsc_Format;
-
- /* These methods are specific to playing mode */
- media_node pahsc_OutputNode; /* output to the mixer */
- media_node pahsc_InputNode; /* reads data from user callback -- PA specific */
-
- media_input pahsc_MixerInput; /* input jack on the soundcard's mixer. */
- media_output pahsc_PaOutput; /* output jack from the PA node */
-
- PaPlaybackNode *pahsc_InputNodeInstance;
-
-}
-PaHostSoundControl;
-
-/*************************************************************************/
-PaDeviceID Pa_GetDefaultOutputDeviceID( void )
-{
- /* stub */
- return 0;
-}
-
-/*************************************************************************/
-PaDeviceID Pa_GetDefaultInputDeviceID( void )
-{
- /* stub */
- return 0;
-}
-
-/*************************************************************************/
-const PaDeviceInfo* Pa_GetDeviceInfo( PaDeviceID id )
-{
- /* stub */
- return NULL;
-}
-
-/*************************************************************************/
-int Pa_CountDevices()
-{
- /* stub */
- return 1;
-}
-
-/*************************************************************************/
-PaError PaHost_Init( void )
-{
- /* we have to create this in order to use BMediaRoster. I hope it doesn't
- * cause problems */
- be_app = new BApplication("application/x-vnd.portaudio-app");
-
- return paNoError;
-}
-
-PaError PaHost_Term( void )
-{
- delete be_app;
- return paNoError;
-}
-
-/*************************************************************************/
-PaError PaHost_StreamActive( internalPortAudioStream *past )
-{
- PaHostSoundControl *pahsc = (PaHostSoundControl *)past->past_DeviceData;
- DBUG(("IsRunning returning: %s\n",
- pahsc->pahsc_InputNodeInstance->IsRunning() ? "true" : "false"));
-
- return (PaError)pahsc->pahsc_InputNodeInstance->IsRunning();
-}
-
-PaError PaHost_StartOutput( internalPortAudioStream *past )
-{
- return paNoError;
-}
-
-/*************************************************************************/
-PaError PaHost_StartInput( internalPortAudioStream *past )
-{
- return paNoError;
-}
-
-/*************************************************************************/
-PaError PaHost_StopInput( internalPortAudioStream *past, int abort )
-{
- return paNoError;
-}
-
-/*************************************************************************/
-PaError PaHost_StopOutput( internalPortAudioStream *past, int abort )
-{
- return paNoError;
-}
-
-
-/*************************************************************************/
-PaError PaHost_StartEngine( internalPortAudioStream *past )
-{
- bigtime_t very_soon, start_latency;
- status_t err;
- BMediaRoster *roster = BMediaRoster::Roster(&err);
- PaHostSoundControl *pahsc = (PaHostSoundControl *)past->past_DeviceData;
-
- /* for some reason, err indicates an error (though nothing it wrong)
- * when the DBUG macro in pa_lib.c is enabled. It's reproducably
- * linked. Weird. */
- if( !roster /* || err != B_OK */ )
- {
- DBUG(("No media server! err=%d, roster=%x\n", err, roster));
- return paHostError;
- }
-
- /* tell the node when to start -- since there aren't any other nodes
- * starting that we have to wait for, just tell it to start now
- */
-
- BTimeSource *timeSource = roster->MakeTimeSourceFor(pahsc->pahsc_TimeSource);
- very_soon = timeSource->PerformanceTimeFor( BTimeSource::RealTime() );
- timeSource->Release();
-
- /* Add the latency of starting the network of nodes */
- err = roster->GetStartLatencyFor( pahsc->pahsc_TimeSource, &start_latency );
- very_soon += start_latency;
-
- err = roster->StartNode( pahsc->pahsc_InputNode, very_soon );
- /* No need to start the mixer -- it's always running */
-
- return paNoError;
-}
-
-
-/*************************************************************************/
-PaError PaHost_StopEngine( internalPortAudioStream *past, int abort )
-{
- PaHostSoundControl *pahsc = (PaHostSoundControl *)past->past_DeviceData;
- BMediaRoster *roster = BMediaRoster::Roster();
-
- if( !roster )
- {
- DBUG(("No media roster!\n"));
- return paHostError;
- }
-
- if( !pahsc )
- return paHostError;
-
- /* this crashes, and I don't know why yet */
- // if( abort )
- // pahsc->pahsc_InputNodeInstance->mAborted = true;
-
- roster->StopNode(pahsc->pahsc_InputNode, 0, /* immediate = */ true);
-
- return paNoError;
-}
-
-
-/*************************************************************************/
-PaError PaHost_OpenStream( internalPortAudioStream *past )
-{
- status_t err;
- BMediaRoster *roster = BMediaRoster::Roster(&err);
- PaHostSoundControl *pahsc;
-
- /* Allocate and initialize host data. */
- pahsc = (PaHostSoundControl *) PaHost_AllocateFastMemory(sizeof(PaHostSoundControl));
- if( pahsc == NULL )
- {
- goto error;
- }
- memset( pahsc, 0, sizeof(PaHostSoundControl) );
- past->past_DeviceData = (void *) pahsc;
-
- if( !roster /* || err != B_OK */ )
- {
- /* no media server! */
- DBUG(("No media server.\n"));
- goto error;
- }
-
- if ( past->past_NumInputChannels > 0 && past->past_NumOutputChannels > 0 )
- {
- /* filter -- not implemented yet */
- goto error;
- }
- else if ( past->past_NumInputChannels > 0 )
- {
- /* recorder -- not implemented yet */
- goto error;
- }
- else
- {
- /* player ****************************************************************/
-
- status_t err;
- int32 num;
-
- /* First we need to create the three components (like components in a stereo
- * system). The mixer component is our interface to the sound card, data
- * we write there will get played. The BePA_InputNode component is the node
- * which represents communication with the PA client (it is what calls the
- * client's callbacks). The time source component is the sound card's DAC,
- * which allows us to slave the other components to it instead of the system
- * clock. */
- err = roster->GetAudioMixer( &pahsc->pahsc_OutputNode );
- if( err != B_OK )
- {
- DBUG(("Couldn't get default mixer.\n"));
- goto error;
- }
-
- err = roster->GetTimeSource( &pahsc->pahsc_TimeSource );
- if( err != B_OK )
- {
- DBUG(("Couldn't get time source.\n"));
- goto error;
- }
-
- pahsc->pahsc_InputNodeInstance = new PaPlaybackNode(2, 44100,
- past->past_FramesPerUserBuffer, past->past_Callback, past->past_UserData );
- pahsc->pahsc_InputNodeInstance->SetSampleFormat(0,
- past->past_OutputSampleFormat);
- err = roster->RegisterNode( pahsc->pahsc_InputNodeInstance );
- if( err != B_OK )
- {
- DBUG(("Unable to register node.\n"));
- goto error;
- }
-
- roster->GetNodeFor( pahsc->pahsc_InputNodeInstance->Node().node,
- &pahsc->pahsc_InputNode );
- if( err != B_OK )
- {
- DBUG(("Unable to get input node.\n"));
- goto error;
- }
-
- /* Now we have three components (nodes) sitting next to each other. The
- * next step is to look at them and find their inputs and outputs so we can
- * wire them together. */
- err = roster->GetFreeInputsFor( pahsc->pahsc_OutputNode,
- &pahsc->pahsc_MixerInput, 1, &num, B_MEDIA_RAW_AUDIO );
- if( err != B_OK || num < 1 )
- {
- DBUG(("Couldn't get the mixer input.\n"));
- goto error;
- }
-
- err = roster->GetFreeOutputsFor( pahsc->pahsc_InputNode,
- &pahsc->pahsc_PaOutput, 1, &num, B_MEDIA_RAW_AUDIO );
- if( err != B_OK || num < 1 )
- {
- DBUG(("Couldn't get PortAudio output.\n"));
- goto error;
- }
-
-
- /* We've found the input and output -- the final step is to run a wire
- * between them so they are connected. */
-
- /* try to make the mixer input adapt to what PA sends it */
- pahsc->pahsc_Format = pahsc->pahsc_PaOutput.format;
- roster->Connect( pahsc->pahsc_PaOutput.source,
- pahsc->pahsc_MixerInput.destination, &pahsc->pahsc_Format,
- &pahsc->pahsc_PaOutput, &pahsc->pahsc_MixerInput );
-
-
- /* Actually, there's one final step -- tell them all to sync to the
- * sound card's DAC */
- roster->SetTimeSourceFor( pahsc->pahsc_InputNode.node,
- pahsc->pahsc_TimeSource.node );
- roster->SetTimeSourceFor( pahsc->pahsc_OutputNode.node,
- pahsc->pahsc_TimeSource.node );
-
- }
-
- return paNoError;
-
-error:
- PaHost_CloseStream( past );
- return paHostError;
-}
-
-/*************************************************************************/
-PaError PaHost_CloseStream( internalPortAudioStream *past )
-{
- PaHostSoundControl *pahsc = (PaHostSoundControl *)past->past_DeviceData;
- status_t err;
- BMediaRoster *roster = BMediaRoster::Roster(&err);
-
- if( !roster )
- {
- DBUG(("Couldn't get media roster\n"));
- return paHostError;
- }
-
- if( !pahsc )
- return paHostError;
-
- /* Disconnect all the connections we made when opening the stream */
-
- roster->Disconnect(pahsc->pahsc_InputNode.node, pahsc->pahsc_PaOutput.source,
- pahsc->pahsc_OutputNode.node, pahsc->pahsc_MixerInput.destination);
-
- DBUG(("Calling ReleaseNode()"));
- roster->ReleaseNode(pahsc->pahsc_InputNode);
-
- /* deleting the node shouldn't be necessary -- it is reference counted, and will
- * delete itself when its references drop to zero. the call to ReleaseNode()
- * above should decrease its reference count */
- pahsc->pahsc_InputNodeInstance = NULL;
-
- return paNoError;
-}
-
-/*************************************************************************/
-PaTimestamp Pa_StreamTime( PortAudioStream *stream )
-{
- internalPortAudioStream *past = (internalPortAudioStream *) stream;
- PaHostSoundControl *pahsc = (PaHostSoundControl *)past->past_DeviceData;
-
- return pahsc->pahsc_InputNodeInstance->GetStreamTime();
-}
-
-/*************************************************************************/
-void Pa_Sleep( long msec )
-{
- /* snooze() takes microseconds */
- snooze( msec * 1000 );
-}
-
-/*************************************************************************
- * Allocate memory that can be accessed in real-time.
- * This may need to be held in physical memory so that it is not
- * paged to virtual memory.
- * This call MUST be balanced with a call to PaHost_FreeFastMemory().
- * Memory will be set to zero.
- */
-void *PaHost_AllocateFastMemory( long numBytes )
-{
- /* BeOS supports non-pagable memory through pools -- a pool is an area
- * of physical memory that is locked. It would be best to pre-allocate
- * that pool and then hand out memory from it, but we don't know in
- * advance how much we'll need. So for now, we'll allocate a pool
- * for every request we get, storing a pointer to the pool at the
- * beginning of the allocated memory */
- rtm_pool *pool;
- void *addr;
- long size = numBytes + sizeof(rtm_pool *);
- static int counter = 0;
- char pool_name[100];
-
- /* Every pool needs a unique name. */
- sprintf(pool_name, "PaPoolNumber%d", counter++);
-
- if( rtm_create_pool( &pool, size, pool_name ) != B_OK )
- return 0;
-
- addr = rtm_alloc( pool, size );
- if( addr == NULL )
- return 0;
-
- memset( addr, 0, numBytes );
- *((rtm_pool **)addr) = pool; // store the pointer to the pool
- addr = (rtm_pool **)addr + 1; // and return the next location in memory
-
- return addr;
-}
-
-/*************************************************************************
- * Free memory that could be accessed in real-time.
- * This call MUST be balanced with a call to PaHost_AllocateFastMemory().
- */
-void PaHost_FreeFastMemory( void *addr, long numBytes )
-{
- rtm_pool *pool;
-
- if( addr == NULL )
- return;
-
- addr = (rtm_pool **)addr - 1;
- pool = *((rtm_pool **)addr);
-
- rtm_free( addr );
- rtm_delete_pool( pool );
-}
diff --git a/src/audio/portaudio/pa_common/pa_allocation.c b/src/audio/portaudio/pa_common/pa_allocation.c
deleted file mode 100644
index 98239c48f0..0000000000
--- a/src/audio/portaudio/pa_common/pa_allocation.c
+++ /dev/null
@@ -1,234 +0,0 @@
-/*
- * $Id$
- * Portable Audio I/O Library allocation group implementation
- * memory allocation group for tracking allocation groups
- *
- * Based on the Open Source API proposed by Ross Bencina
- * Copyright (c) 1999-2002 Ross Bencina, Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/** @file
- @brief Allocation Group implementation.
-*/
-
-
-#include "pa_allocation.h"
-#include "pa_util.h"
-
-
-/*
- Maintain 3 singly linked lists...
- linkBlocks: the buffers used to allocate the links
- spareLinks: links available for use in the allocations list
- allocations: the buffers currently allocated using PaUtil_ContextAllocateMemory()
-
- Link block size is doubled every time new links are allocated.
-*/
-
-
-#define PA_INITIAL_LINK_COUNT_ 16
-
-struct PaUtilAllocationGroupLink
-{
- struct PaUtilAllocationGroupLink *next;
- void *buffer;
-};
-
-/*
- Allocate a block of links. The first link will have it's buffer member
- pointing to the block, and it's next member set to <nextBlock>. The remaining
- links will have NULL buffer members, and each link will point to
- the next link except the last, which will point to <nextSpare>
-*/
-static struct PaUtilAllocationGroupLink *AllocateLinks( long count,
- struct PaUtilAllocationGroupLink *nextBlock,
- struct PaUtilAllocationGroupLink *nextSpare )
-{
- struct PaUtilAllocationGroupLink *result;
- int i;
-
- result = (struct PaUtilAllocationGroupLink *)PaUtil_AllocateMemory(
- sizeof(struct PaUtilAllocationGroupLink) * count );
- if( result )
- {
- /* the block link */
- result[0].buffer = result;
- result[0].next = nextBlock;
-
- /* the spare links */
- for( i=1; i<count; ++i )
- {
- result[i].buffer = 0;
- result[i].next = &result[i+1];
- }
- result[count-1].next = nextSpare;
- }
-
- return result;
-}
-
-
-PaUtilAllocationGroup* PaUtil_CreateAllocationGroup( void )
-{
- PaUtilAllocationGroup* result = 0;
- struct PaUtilAllocationGroupLink *links;
-
-
- links = AllocateLinks( PA_INITIAL_LINK_COUNT_, 0, 0 );
- if( links != 0 )
- {
- result = (PaUtilAllocationGroup*)PaUtil_AllocateMemory( sizeof(PaUtilAllocationGroup) );
- if( result )
- {
- result->linkCount = PA_INITIAL_LINK_COUNT_;
- result->linkBlocks = &links[0];
- result->spareLinks = &links[1];
- result->allocations = 0;
- }
- else
- {
- PaUtil_FreeMemory( links );
- }
- }
-
- return result;
-}
-
-
-void PaUtil_DestroyAllocationGroup( PaUtilAllocationGroup* group )
-{
- struct PaUtilAllocationGroupLink *current = group->linkBlocks;
- struct PaUtilAllocationGroupLink *next;
-
- while( current )
- {
- next = current->next;
- PaUtil_FreeMemory( current->buffer );
- current = next;
- }
-
- PaUtil_FreeMemory( group );
-}
-
-
-void* PaUtil_GroupAllocateMemory( PaUtilAllocationGroup* group, long size )
-{
- struct PaUtilAllocationGroupLink *links, *link;
- void *result = 0;
-
- /* allocate more links if necessary */
- if( !group->spareLinks )
- {
- /* double the link count on each block allocation */
- links = AllocateLinks( group->linkCount, group->linkBlocks, group->spareLinks );
- if( links )
- {
- group->linkCount += group->linkCount;
- group->linkBlocks = &links[0];
- group->spareLinks = &links[1];
- }
- }
-
- if( group->spareLinks )
- {
- result = PaUtil_AllocateMemory( size );
- if( result )
- {
- link = group->spareLinks;
- group->spareLinks = link->next;
-
- link->buffer = result;
- link->next = group->allocations;
-
- group->allocations = link;
- }
- }
-
- return result;
-}
-
-
-void PaUtil_GroupFreeMemory( PaUtilAllocationGroup* group, void *buffer )
-{
- struct PaUtilAllocationGroupLink *current = group->allocations;
- struct PaUtilAllocationGroupLink *previous = 0;
-
- if( buffer == 0 )
- return;
-
- /* find the right link and remove it */
- while( current )
- {
- if( current->buffer == buffer )
- {
- if( previous )
- {
- previous->next = current->next;
- }
- else
- {
- group->allocations = current->next;
- }
-
- current->buffer = 0;
- current->next = group->spareLinks;
- group->spareLinks = current;
-
- break;
- }
-
- previous = current;
- current = current->next;
- }
-
- PaUtil_FreeMemory( buffer ); /* free the memory whether we found it in the list or not */
-}
-
-
-void PaUtil_FreeAllAllocations( PaUtilAllocationGroup* group )
-{
- struct PaUtilAllocationGroupLink *current = group->allocations;
- struct PaUtilAllocationGroupLink *previous = 0;
-
- /* free all buffers in the allocations list */
- while( current )
- {
- PaUtil_FreeMemory( current->buffer );
- current->buffer = 0;
-
- previous = current;
- current = current->next;
- }
-
- /* link the former allocations list onto the front of the spareLinks list */
- if( previous )
- {
- previous->next = group->spareLinks;
- group->spareLinks = group->allocations;
- group->allocations = 0;
- }
-}
-
diff --git a/src/audio/portaudio/pa_common/pa_allocation.h b/src/audio/portaudio/pa_common/pa_allocation.h
deleted file mode 100644
index 5bcfe75a67..0000000000
--- a/src/audio/portaudio/pa_common/pa_allocation.h
+++ /dev/null
@@ -1,95 +0,0 @@
-#ifndef PA_ALLOCATION_H
-#define PA_ALLOCATION_H
-/*
- * $Id$
- * Portable Audio I/O Library allocation context header
- * memory allocation context for tracking allocation groups
- *
- * Based on the Open Source API proposed by Ross Bencina
- * Copyright (c) 1999-2002 Ross Bencina, Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/** @file
- @brief Allocation Group prototypes. An Allocation Group makes it easy to
- allocate multiple blocks of memory and free them all simultanously.
-
- An allocation group is useful for keeping track of multiple blocks
- of memory which are allocated at the same time (such as during initialization)
- and need to be deallocated at the same time. The allocation group maintains
- a list of allocated blocks, and can deallocate them all simultaneously which
- can be usefull for cleaning up after a partially initialized object fails.
-
- The allocation group implementation is built on top of the lower
- level allocation functions defined in pa_util.h
-*/
-
-
-#ifdef __cplusplus
-extern "C"
-{
-#endif /* __cplusplus */
-
-
-typedef struct
-{
- long linkCount;
- struct PaUtilAllocationGroupLink *linkBlocks;
- struct PaUtilAllocationGroupLink *spareLinks;
- struct PaUtilAllocationGroupLink *allocations;
-}PaUtilAllocationGroup;
-
-
-
-/** Create an allocation group.
-*/
-PaUtilAllocationGroup* PaUtil_CreateAllocationGroup( void );
-
-/** Destroy an allocation group, but not the memory allocated through the group.
-*/
-void PaUtil_DestroyAllocationGroup( PaUtilAllocationGroup* group );
-
-/** Allocate a block of memory though an allocation group.
-*/
-void* PaUtil_GroupAllocateMemory( PaUtilAllocationGroup* group, long size );
-
-/** Free a block of memory that was previously allocated though an allocation
- group. Calling this function is a relatively time consuming operation.
- Under normal circumstances clients should call PaUtil_FreeAllAllocations to
- free all allocated blocks simultaneously.
- @see PaUtil_FreeAllAllocations
-*/
-void PaUtil_GroupFreeMemory( PaUtilAllocationGroup* group, void *buffer );
-
-/** Free all blocks of memory which have been allocated through the allocation
- group. This function doesn't destroy the group itself.
-*/
-void PaUtil_FreeAllAllocations( PaUtilAllocationGroup* group );
-
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
-#endif /* PA_ALLOCATION_H */
diff --git a/src/audio/portaudio/pa_common/pa_converters.c b/src/audio/portaudio/pa_common/pa_converters.c
deleted file mode 100644
index 501be4eba8..0000000000
--- a/src/audio/portaudio/pa_common/pa_converters.c
+++ /dev/null
@@ -1,1926 +0,0 @@
-/*
- * $Id$
- * Portable Audio I/O Library sample conversion mechanism
- *
- * Based on the Open Source API proposed by Ross Bencina
- * Copyright (c) 1999-2002 Phil Burk, Ross Bencina
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/** @file
- @brief Conversion functions implementations.
-
- If the C9x function lrintf() is available, define PA_USE_C99_LRINTF to use it
-
- @todo Consider whether functions which dither but don't clip should exist,
- V18 automatically enabled clipping whenever dithering was selected. Perhaps
- we should do the same.
-
- @todo implement the converters marked IMPLEMENT ME: Float32_To_UInt8_Dither,
- Float32_To_UInt8_Clip, Float32_To_UInt8_DitherClip, Int32_To_Int24_Dither,
- Int32_To_UInt8_Dither, Int24_To_Int16_Dither, Int24_To_Int8_Dither,
- Int24_To_UInt8_Dither, Int16_To_Int8_Dither, Int16_To_UInt8_Dither,
-
- @todo review the converters marked REVIEW: Float32_To_Int32,
- Float32_To_Int32_Dither, Float32_To_Int32_Clip, Float32_To_Int32_DitherClip,
- Int32_To_Int16_Dither, Int32_To_Int8_Dither, Int16_To_Int32
-*/
-
-
-#include "pa_converters.h"
-#include "pa_dither.h"
-#include "pa_endianness.h"
-#include "pa_types.h"
-
-
-PaSampleFormat PaUtil_SelectClosestAvailableFormat(
- PaSampleFormat availableFormats, PaSampleFormat format )
-{
- PaSampleFormat result;
-
- format &= ~paNonInterleaved;
- availableFormats &= ~paNonInterleaved;
-
- if( (format & availableFormats) == 0 )
- {
- /* NOTE: this code depends on the sample format constants being in
- descending order of quality - ie best quality is 0
- FIXME: should write an assert which checks that all of the
- known constants conform to that requirement.
- */
-
- if( format != 0x01 )
- {
- /* scan for better formats */
- result = format;
- do
- {
- result >>= 1;
- }
- while( (result & availableFormats) == 0 && result != 0 );
- }
- else
- {
- result = 0;
- }
-
- if( result == 0 ){
- /* scan for worse formats */
- result = format;
- do
- {
- result <<= 1;
- }
- while( (result & availableFormats) == 0 && result != paCustomFormat );
-
- if( (result & availableFormats) == 0 )
- result = paSampleFormatNotSupported;
- }
-
- }else{
- result = format;
- }
-
- return result;
-}
-
-/* -------------------------------------------------------------------------- */
-
-#define PA_SELECT_FORMAT_( format, float32, int32, int24, int16, int8, uint8 ) \
- switch( format & ~paNonInterleaved ){ \
- case paFloat32: \
- float32 \
- case paInt32: \
- int32 \
- case paInt24: \
- int24 \
- case paInt16: \
- int16 \
- case paInt8: \
- int8 \
- case paUInt8: \
- uint8 \
- default: return 0; \
- }
-
-/* -------------------------------------------------------------------------- */
-
-#define PA_SELECT_CONVERTER_DITHER_CLIP_( flags, source, destination ) \
- if( flags & paClipOff ){ /* no clip */ \
- if( flags & paDitherOff ){ /* no dither */ \
- return paConverters. source ## _To_ ## destination; \
- }else{ /* dither */ \
- return paConverters. source ## _To_ ## destination ## _Dither; \
- } \
- }else{ /* clip */ \
- if( flags & paDitherOff ){ /* no dither */ \
- return paConverters. source ## _To_ ## destination ## _Clip; \
- }else{ /* dither */ \
- return paConverters. source ## _To_ ## destination ## _DitherClip; \
- } \
- }
-
-/* -------------------------------------------------------------------------- */
-
-#define PA_SELECT_CONVERTER_DITHER_( flags, source, destination ) \
- if( flags & paDitherOff ){ /* no dither */ \
- return paConverters. source ## _To_ ## destination; \
- }else{ /* dither */ \
- return paConverters. source ## _To_ ## destination ## _Dither; \
- }
-
-/* -------------------------------------------------------------------------- */
-
-#define PA_USE_CONVERTER_( source, destination )\
- return paConverters. source ## _To_ ## destination;
-
-/* -------------------------------------------------------------------------- */
-
-#define PA_UNITY_CONVERSION_( wordlength )\
- return paConverters. Copy_ ## wordlength ## _To_ ## wordlength;
-
-/* -------------------------------------------------------------------------- */
-
-PaUtilConverter* PaUtil_SelectConverter( PaSampleFormat sourceFormat,
- PaSampleFormat destinationFormat, PaStreamFlags flags )
-{
- PA_SELECT_FORMAT_( sourceFormat,
- /* paFloat32: */
- PA_SELECT_FORMAT_( destinationFormat,
- /* paFloat32: */ PA_UNITY_CONVERSION_( 32 ),
- /* paInt32: */ PA_SELECT_CONVERTER_DITHER_CLIP_( flags, Float32, Int32 ),
- /* paInt24: */ PA_SELECT_CONVERTER_DITHER_CLIP_( flags, Float32, Int24 ),
- /* paInt16: */ PA_SELECT_CONVERTER_DITHER_CLIP_( flags, Float32, Int16 ),
- /* paInt8: */ PA_SELECT_CONVERTER_DITHER_CLIP_( flags, Float32, Int8 ),
- /* paUInt8: */ PA_SELECT_CONVERTER_DITHER_CLIP_( flags, Float32, UInt8 )
- ),
- /* paInt32: */
- PA_SELECT_FORMAT_( destinationFormat,
- /* paFloat32: */ PA_USE_CONVERTER_( Int32, Float32 ),
- /* paInt32: */ PA_UNITY_CONVERSION_( 32 ),
- /* paInt24: */ PA_SELECT_CONVERTER_DITHER_( flags, Int32, Int24 ),
- /* paInt16: */ PA_SELECT_CONVERTER_DITHER_( flags, Int32, Int16 ),
- /* paInt8: */ PA_SELECT_CONVERTER_DITHER_( flags, Int32, Int8 ),
- /* paUInt8: */ PA_SELECT_CONVERTER_DITHER_( flags, Int32, UInt8 )
- ),
- /* paInt24: */
- PA_SELECT_FORMAT_( destinationFormat,
- /* paFloat32: */ PA_USE_CONVERTER_( Int24, Float32 ),
- /* paInt32: */ PA_USE_CONVERTER_( Int24, Int32 ),
- /* paInt24: */ PA_UNITY_CONVERSION_( 24 ),
- /* paInt16: */ PA_SELECT_CONVERTER_DITHER_( flags, Int24, Int16 ),
- /* paInt8: */ PA_SELECT_CONVERTER_DITHER_( flags, Int24, Int8 ),
- /* paUInt8: */ PA_SELECT_CONVERTER_DITHER_( flags, Int24, UInt8 )
- ),
- /* paInt16: */
- PA_SELECT_FORMAT_( destinationFormat,
- /* paFloat32: */ PA_USE_CONVERTER_( Int16, Float32 ),
- /* paInt32: */ PA_USE_CONVERTER_( Int16, Int32 ),
- /* paInt24: */ PA_USE_CONVERTER_( Int16, Int24 ),
- /* paInt16: */ PA_UNITY_CONVERSION_( 16 ),
- /* paInt8: */ PA_SELECT_CONVERTER_DITHER_( flags, Int16, Int8 ),
- /* paUInt8: */ PA_SELECT_CONVERTER_DITHER_( flags, Int16, UInt8 )
- ),
- /* paInt8: */
- PA_SELECT_FORMAT_( destinationFormat,
- /* paFloat32: */ PA_USE_CONVERTER_( Int8, Float32 ),
- /* paInt32: */ PA_USE_CONVERTER_( Int8, Int32 ),
- /* paInt24: */ PA_USE_CONVERTER_( Int8, Int24 ),
- /* paInt16: */ PA_USE_CONVERTER_( Int8, Int16 ),
- /* paInt8: */ PA_UNITY_CONVERSION_( 8 ),
- /* paUInt8: */ PA_USE_CONVERTER_( Int8, UInt8 )
- ),
- /* paUInt8: */
- PA_SELECT_FORMAT_( destinationFormat,
- /* paFloat32: */ PA_USE_CONVERTER_( UInt8, Float32 ),
- /* paInt32: */ PA_USE_CONVERTER_( UInt8, Int32 ),
- /* paInt24: */ PA_USE_CONVERTER_( UInt8, Int24 ),
- /* paInt16: */ PA_USE_CONVERTER_( UInt8, Int16 ),
- /* paInt8: */ PA_USE_CONVERTER_( UInt8, Int8 ),
- /* paUInt8: */ PA_UNITY_CONVERSION_( 8 )
- )
- )
-}
-
-/* -------------------------------------------------------------------------- */
-
-#ifdef PA_NO_STANDARD_CONVERTERS
-
-/* -------------------------------------------------------------------------- */
-
-PaUtilConverterTable paConverters = {
- 0, /* PaUtilConverter *Float32_To_Int32; */
- 0, /* PaUtilConverter *Float32_To_Int32_Dither; */
- 0, /* PaUtilConverter *Float32_To_Int32_Clip; */
- 0, /* PaUtilConverter *Float32_To_Int32_DitherClip; */
-
- 0, /* PaUtilConverter *Float32_To_Int24; */
- 0, /* PaUtilConverter *Float32_To_Int24_Dither; */
- 0, /* PaUtilConverter *Float32_To_Int24_Clip; */
- 0, /* PaUtilConverter *Float32_To_Int24_DitherClip; */
-
- 0, /* PaUtilConverter *Float32_To_Int16; */
- 0, /* PaUtilConverter *Float32_To_Int16_Dither; */
- 0, /* PaUtilConverter *Float32_To_Int16_Clip; */
- 0, /* PaUtilConverter *Float32_To_Int16_DitherClip; */
-
- 0, /* PaUtilConverter *Float32_To_Int8; */
- 0, /* PaUtilConverter *Float32_To_Int8_Dither; */
- 0, /* PaUtilConverter *Float32_To_Int8_Clip; */
- 0, /* PaUtilConverter *Float32_To_Int8_DitherClip; */
-
- 0, /* PaUtilConverter *Float32_To_UInt8; */
- 0, /* PaUtilConverter *Float32_To_UInt8_Dither; */
- 0, /* PaUtilConverter *Float32_To_UInt8_Clip; */
- 0, /* PaUtilConverter *Float32_To_UInt8_DitherClip; */
-
- 0, /* PaUtilConverter *Int32_To_Float32; */
- 0, /* PaUtilConverter *Int32_To_Int24; */
- 0, /* PaUtilConverter *Int32_To_Int24_Dither; */
- 0, /* PaUtilConverter *Int32_To_Int16; */
- 0, /* PaUtilConverter *Int32_To_Int16_Dither; */
- 0, /* PaUtilConverter *Int32_To_Int8; */
- 0, /* PaUtilConverter *Int32_To_Int8_Dither; */
- 0, /* PaUtilConverter *Int32_To_UInt8; */
- 0, /* PaUtilConverter *Int32_To_UInt8_Dither; */
-
- 0, /* PaUtilConverter *Int24_To_Float32; */
- 0, /* PaUtilConverter *Int24_To_Int32; */
- 0, /* PaUtilConverter *Int24_To_Int16; */
- 0, /* PaUtilConverter *Int24_To_Int16_Dither; */
- 0, /* PaUtilConverter *Int24_To_Int8; */
- 0, /* PaUtilConverter *Int24_To_Int8_Dither; */
- 0, /* PaUtilConverter *Int24_To_UInt8; */
- 0, /* PaUtilConverter *Int24_To_UInt8_Dither; */
-
- 0, /* PaUtilConverter *Int16_To_Float32; */
- 0, /* PaUtilConverter *Int16_To_Int32; */
- 0, /* PaUtilConverter *Int16_To_Int24; */
- 0, /* PaUtilConverter *Int16_To_Int8; */
- 0, /* PaUtilConverter *Int16_To_Int8_Dither; */
- 0, /* PaUtilConverter *Int16_To_UInt8; */
- 0, /* PaUtilConverter *Int16_To_UInt8_Dither; */
-
- 0, /* PaUtilConverter *Int8_To_Float32; */
- 0, /* PaUtilConverter *Int8_To_Int32; */
- 0, /* PaUtilConverter *Int8_To_Int24 */
- 0, /* PaUtilConverter *Int8_To_Int16; */
- 0, /* PaUtilConverter *Int8_To_UInt8; */
-
- 0, /* PaUtilConverter *UInt8_To_Float32; */
- 0, /* PaUtilConverter *UInt8_To_Int32; */
- 0, /* PaUtilConverter *UInt8_To_Int24; */
- 0, /* PaUtilConverter *UInt8_To_Int16; */
- 0, /* PaUtilConverter *UInt8_To_Int8; */
-
- 0, /* PaUtilConverter *Copy_8_To_8; */
- 0, /* PaUtilConverter *Copy_16_To_16; */
- 0, /* PaUtilConverter *Copy_24_To_24; */
- 0 /* PaUtilConverter *Copy_32_To_32; */
-};
-
-/* -------------------------------------------------------------------------- */
-
-#else /* PA_NO_STANDARD_CONVERTERS is not defined */
-
-/* -------------------------------------------------------------------------- */
-
-#define PA_CLIP_( val, min, max )\
- { val = ((val) < (min)) ? (min) : (((val) > (max)) ? (max) : (val)); }
-
-
-static const float const_1_div_128_ = 1.0f / 128.0f; /* 8 bit multiplier */
-
-static const float const_1_div_32768_ = 1.0f / 32768.f; /* 16 bit multiplier */
-
-static const double const_1_div_2147483648_ = 1.0 / 2147483648.0; /* 32 bit multiplier */
-
-/* -------------------------------------------------------------------------- */
-
-static void Float32_To_Int32(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- float *src = (float*)sourceBuffer;
- signed long *dest = (signed long*)destinationBuffer;
- (void)ditherGenerator; /* unused parameter */
-
- while( count-- )
- {
- /* REVIEW */
-#ifdef PA_USE_C99_LRINTF
- float scaled = *src * 0x7FFFFFFF;
- *dest = lrintf(scaled-0.5f);
-#else
- double scaled = *src * 0x7FFFFFFF;
- *dest = (signed long) scaled;
-#endif
-
- src += sourceStride;
- dest += destinationStride;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Float32_To_Int32_Dither(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- float *src = (float*)sourceBuffer;
- signed long *dest = (signed long*)destinationBuffer;
-
- while( count-- )
- {
- /* REVIEW */
-#ifdef PA_USE_C99_LRINTF
- float dither = PaUtil_GenerateFloatTriangularDither( ditherGenerator );
- /* use smaller scaler to prevent overflow when we add the dither */
- float dithered = ((float)*src * (2147483646.0f)) + dither;
- *dest = lrintf(dithered - 0.5f);
-#else
- double dither = PaUtil_GenerateFloatTriangularDither( ditherGenerator );
- /* use smaller scaler to prevent overflow when we add the dither */
- double dithered = ((double)*src * (2147483646.0)) + dither;
- *dest = (signed long) dithered;
-#endif
- src += sourceStride;
- dest += destinationStride;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Float32_To_Int32_Clip(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- float *src = (float*)sourceBuffer;
- signed long *dest = (signed long*)destinationBuffer;
- (void) ditherGenerator; /* unused parameter */
-
- while( count-- )
- {
- /* REVIEW */
-#ifdef PA_USE_C99_LRINTF
- float scaled = *src * 0x7FFFFFFF;
- PA_CLIP_( scaled, -2147483648.f, 2147483647.f );
- *dest = lrintf(scaled-0.5f);
-#else
- double scaled = *src * 0x7FFFFFFF;
- PA_CLIP_( scaled, -2147483648., 2147483647. );
- *dest = (signed long) scaled;
-#endif
-
- src += sourceStride;
- dest += destinationStride;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Float32_To_Int32_DitherClip(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- float *src = (float*)sourceBuffer;
- signed long *dest = (signed long*)destinationBuffer;
-
- while( count-- )
- {
- /* REVIEW */
-#ifdef PA_USE_C99_LRINTF
- float dither = PaUtil_GenerateFloatTriangularDither( ditherGenerator );
- /* use smaller scaler to prevent overflow when we add the dither */
- float dithered = ((float)*src * (2147483646.0f)) + dither;
- PA_CLIP_( dithered, -2147483648.f, 2147483647.f );
- *dest = lrintf(dithered-0.5f);
-#else
- double dither = PaUtil_GenerateFloatTriangularDither( ditherGenerator );
- /* use smaller scaler to prevent overflow when we add the dither */
- double dithered = ((double)*src * (2147483646.0)) + dither;
- PA_CLIP_( dithered, -2147483648., 2147483647. );
- *dest = (signed long) dithered;
-#endif
-
- src += sourceStride;
- dest += destinationStride;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Float32_To_Int24(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- float *src = (float*)sourceBuffer;
- unsigned char *dest = (unsigned char*)destinationBuffer;
- signed long temp;
-
- (void) ditherGenerator; /* unused parameter */
-
- while( count-- )
- {
- /* convert to 32 bit and drop the low 8 bits */
- double scaled = *src * 0x7FFFFFFF;
- temp = (signed long) scaled;
-
-#if defined(PA_LITTLE_ENDIAN)
- dest[0] = (unsigned char)(temp >> 8);
- dest[1] = (unsigned char)(temp >> 16);
- dest[2] = (unsigned char)(temp >> 24);
-#elif defined(PA_BIG_ENDIAN)
- dest[0] = (unsigned char)(temp >> 24);
- dest[1] = (unsigned char)(temp >> 16);
- dest[2] = (unsigned char)(temp >> 8);
-#endif
-
- src += sourceStride;
- dest += destinationStride * 3;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Float32_To_Int24_Dither(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- float *src = (float*)sourceBuffer;
- unsigned char *dest = (unsigned char*)destinationBuffer;
- signed long temp;
-
- while( count-- )
- {
- /* convert to 32 bit and drop the low 8 bits */
-
- double dither = PaUtil_GenerateFloatTriangularDither( ditherGenerator );
- /* use smaller scaler to prevent overflow when we add the dither */
- double dithered = ((double)*src * (2147483646.0)) + dither;
-
- temp = (signed long) dithered;
-
-#if defined(PA_LITTLE_ENDIAN)
- dest[0] = (unsigned char)(temp >> 8);
- dest[1] = (unsigned char)(temp >> 16);
- dest[2] = (unsigned char)(temp >> 24);
-#elif defined(PA_BIG_ENDIAN)
- dest[0] = (unsigned char)(temp >> 24);
- dest[1] = (unsigned char)(temp >> 16);
- dest[2] = (unsigned char)(temp >> 8);
-#endif
-
- src += sourceStride;
- dest += destinationStride * 3;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Float32_To_Int24_Clip(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- float *src = (float*)sourceBuffer;
- unsigned char *dest = (unsigned char*)destinationBuffer;
- signed long temp;
-
- (void) ditherGenerator; /* unused parameter */
-
- while( count-- )
- {
- /* convert to 32 bit and drop the low 8 bits */
- double scaled = *src * 0x7FFFFFFF;
- PA_CLIP_( scaled, -2147483648., 2147483647. );
- temp = (signed long) scaled;
-
-#if defined(PA_LITTLE_ENDIAN)
- dest[0] = (unsigned char)(temp >> 8);
- dest[1] = (unsigned char)(temp >> 16);
- dest[2] = (unsigned char)(temp >> 24);
-#elif defined(PA_BIG_ENDIAN)
- dest[0] = (unsigned char)(temp >> 24);
- dest[1] = (unsigned char)(temp >> 16);
- dest[2] = (unsigned char)(temp >> 8);
-#endif
-
- src += sourceStride;
- dest += destinationStride * 3;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Float32_To_Int24_DitherClip(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- float *src = (float*)sourceBuffer;
- unsigned char *dest = (unsigned char*)destinationBuffer;
- signed long temp;
-
- while( count-- )
- {
- /* convert to 32 bit and drop the low 8 bits */
-
- double dither = PaUtil_GenerateFloatTriangularDither( ditherGenerator );
- /* use smaller scaler to prevent overflow when we add the dither */
- double dithered = ((double)*src * (2147483646.0)) + dither;
- PA_CLIP_( dithered, -2147483648., 2147483647. );
-
- temp = (signed long) dithered;
-
-#if defined(PA_LITTLE_ENDIAN)
- dest[0] = (unsigned char)(temp >> 8);
- dest[1] = (unsigned char)(temp >> 16);
- dest[2] = (unsigned char)(temp >> 24);
-#elif defined(PA_BIG_ENDIAN)
- dest[0] = (unsigned char)(temp >> 24);
- dest[1] = (unsigned char)(temp >> 16);
- dest[2] = (unsigned char)(temp >> 8);
-#endif
-
- src += sourceStride;
- dest += destinationStride * 3;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Float32_To_Int16(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- float *src = (float*)sourceBuffer;
- signed short *dest = (signed short*)destinationBuffer;
- (void)ditherGenerator; /* unused parameter */
-
- while( count-- )
- {
-#ifdef PA_USE_C99_LRINTF
- float tempf = (*src * (32767.0f)) ;
- *dest = lrintf(tempf-0.5f);
-#else
- short samp = (short) (*src * (32767.0f));
- *dest = samp;
-#endif
-
- src += sourceStride;
- dest += destinationStride;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Float32_To_Int16_Dither(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- float *src = (float*)sourceBuffer;
- signed short *dest = (signed short*)destinationBuffer;
-
- while( count-- )
- {
-
- float dither = PaUtil_GenerateFloatTriangularDither( ditherGenerator );
- /* use smaller scaler to prevent overflow when we add the dither */
- float dithered = (*src * (32766.0f)) + dither;
-
-#ifdef PA_USE_C99_LRINTF
- *dest = lrintf(dithered-0.5f);
-#else
- *dest = (signed short) dithered;
-#endif
-
- src += sourceStride;
- dest += destinationStride;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Float32_To_Int16_Clip(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- float *src = (float*)sourceBuffer;
- signed short *dest = (signed short*)destinationBuffer;
- (void)ditherGenerator; /* unused parameter */
-
- while( count-- )
- {
-#ifdef PA_USE_C99_LRINTF
- long samp = lrintf((*src * (32767.0f)) -0.5f);
-#else
- long samp = (signed long) (*src * (32767.0f));
-#endif
- PA_CLIP_( samp, -0x8000, 0x7FFF );
- *dest = (signed short) samp;
-
- src += sourceStride;
- dest += destinationStride;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Float32_To_Int16_DitherClip(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- float *src = (float*)sourceBuffer;
- signed short *dest = (signed short*)destinationBuffer;
- (void)ditherGenerator; /* unused parameter */
-
- while( count-- )
- {
-
- float dither = PaUtil_GenerateFloatTriangularDither( ditherGenerator );
- /* use smaller scaler to prevent overflow when we add the dither */
- float dithered = (*src * (32766.0f)) + dither;
- signed long samp = (signed long) dithered;
- PA_CLIP_( samp, -0x8000, 0x7FFF );
-#ifdef PA_USE_C99_LRINTF
- *dest = lrintf(samp-0.5f);
-#else
- *dest = (signed short) samp;
-#endif
-
- src += sourceStride;
- dest += destinationStride;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Float32_To_Int8(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- float *src = (float*)sourceBuffer;
- signed char *dest = (signed char*)destinationBuffer;
- (void)ditherGenerator; /* unused parameter */
-
- while( count-- )
- {
- signed char samp = (signed char) (*src * (127.0f));
- *dest = samp;
-
- src += sourceStride;
- dest += destinationStride;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Float32_To_Int8_Dither(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- float *src = (float*)sourceBuffer;
- signed char *dest = (signed char*)destinationBuffer;
- (void)ditherGenerator; /* unused parameter */
-
- while( count-- )
- {
- float dither = PaUtil_GenerateFloatTriangularDither( ditherGenerator );
- /* use smaller scaler to prevent overflow when we add the dither */
- float dithered = (*src * (126.0f)) + dither;
- signed long samp = (signed long) dithered;
- *dest = (signed char) samp;
-
- src += sourceStride;
- dest += destinationStride;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Float32_To_Int8_Clip(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- float *src = (float*)sourceBuffer;
- signed char *dest = (signed char*)destinationBuffer;
- (void)ditherGenerator; /* unused parameter */
-
- while( count-- )
- {
- signed long samp = (signed long)(*src * (127.0f));
- PA_CLIP_( samp, -0x80, 0x7F );
- *dest = (signed char) samp;
-
- src += sourceStride;
- dest += destinationStride;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Float32_To_Int8_DitherClip(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- float *src = (float*)sourceBuffer;
- signed char *dest = (signed char*)destinationBuffer;
- (void)ditherGenerator; /* unused parameter */
-
- while( count-- )
- {
- float dither = PaUtil_GenerateFloatTriangularDither( ditherGenerator );
- /* use smaller scaler to prevent overflow when we add the dither */
- float dithered = (*src * (126.0f)) + dither;
- signed long samp = (signed long) dithered;
- PA_CLIP_( samp, -0x80, 0x7F );
- *dest = (signed char) samp;
-
- src += sourceStride;
- dest += destinationStride;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Float32_To_UInt8(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- float *src = (float*)sourceBuffer;
- unsigned char *dest = (unsigned char*)destinationBuffer;
- (void)ditherGenerator; /* unused parameter */
-
- while( count-- )
- {
- unsigned char samp = (unsigned char)(128 + ((unsigned char) (*src * (127.0f))));
- *dest = samp;
-
- src += sourceStride;
- dest += destinationStride;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Float32_To_UInt8_Dither(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- float *src = (float*)sourceBuffer;
- unsigned char *dest = (unsigned char*)destinationBuffer;
- (void)ditherGenerator; /* unused parameter */
-
- while( count-- )
- {
- /* IMPLEMENT ME */
-
- src += sourceStride;
- dest += destinationStride;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Float32_To_UInt8_Clip(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- float *src = (float*)sourceBuffer;
- unsigned char *dest = (unsigned char*)destinationBuffer;
- (void)ditherGenerator; /* unused parameter */
-
- while( count-- )
- {
- /* IMPLEMENT ME */
-
- src += sourceStride;
- dest += destinationStride;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Float32_To_UInt8_DitherClip(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- float *src = (float*)sourceBuffer;
- unsigned char *dest = (unsigned char*)destinationBuffer;
- (void)ditherGenerator; /* unused parameter */
-
- while( count-- )
- {
- /* IMPLEMENT ME */
-
- src += sourceStride;
- dest += destinationStride;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Int32_To_Float32(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- signed long *src = (signed long*)sourceBuffer;
- float *dest = (float*)destinationBuffer;
- (void)ditherGenerator; /* unused parameter */
-
- while( count-- )
- {
- *dest = (float) ((double)*src * const_1_div_2147483648_);
-
- src += sourceStride;
- dest += destinationStride;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Int32_To_Int24(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- signed long *src = (signed long*)sourceBuffer;
- unsigned char *dest = (unsigned char*)destinationBuffer;
- (void) ditherGenerator; /* unused parameter */
-
- while( count-- )
- {
- /* REVIEW */
-#if defined(PA_LITTLE_ENDIAN)
- dest[0] = (unsigned char)(*src >> 8);
- dest[1] = (unsigned char)(*src >> 16);
- dest[2] = (unsigned char)(*src >> 24);
-#elif defined(PA_BIG_ENDIAN)
- dest[0] = (unsigned char)(*src >> 24);
- dest[1] = (unsigned char)(*src >> 16);
- dest[2] = (unsigned char)(*src >> 8);
-#endif
- src += sourceStride;
- dest += destinationStride * 3;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Int32_To_Int24_Dither(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- (void) destinationBuffer; /* unused parameters */
- (void) destinationStride; /* unused parameters */
- (void) sourceBuffer; /* unused parameters */
- (void) sourceStride; /* unused parameters */
- (void) count; /* unused parameters */
- (void) ditherGenerator; /* unused parameters */
- /* IMPLEMENT ME */
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Int32_To_Int16(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- signed long *src = (signed long*)sourceBuffer;
- signed short *dest = (signed short*)destinationBuffer;
- (void)ditherGenerator; /* unused parameter */
-
- while( count-- )
- {
- *dest = (signed short) ((*src) >> 16);
-
- src += sourceStride;
- dest += destinationStride;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Int32_To_Int16_Dither(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- signed long *src = (signed long*)sourceBuffer;
- signed short *dest = (signed short*)destinationBuffer;
- signed long dither;
-
- while( count-- )
- {
- /* REVIEW */
- dither = PaUtil_Generate16BitTriangularDither( ditherGenerator );
- *dest = (signed short) ((((*src)>>1) + dither) >> 15);
-
- src += sourceStride;
- dest += destinationStride;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Int32_To_Int8(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- signed long *src = (signed long*)sourceBuffer;
- signed char *dest = (signed char*)destinationBuffer;
- (void)ditherGenerator; /* unused parameter */
-
- while( count-- )
- {
- *dest = (signed char) ((*src) >> 24);
-
- src += sourceStride;
- dest += destinationStride;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Int32_To_Int8_Dither(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- signed long *src = (signed long*)sourceBuffer;
- signed char *dest = (signed char*)destinationBuffer;
- signed long dither;
-
- while( count-- )
- {
- /* REVIEW */
- dither = PaUtil_Generate16BitTriangularDither( ditherGenerator );
- *dest = (signed char) ((((*src)>>1) + dither) >> 23);
-
- src += sourceStride;
- dest += destinationStride;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Int32_To_UInt8(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- signed long *src = (signed long*)sourceBuffer;
- unsigned char *dest = (unsigned char*)destinationBuffer;
- (void)ditherGenerator; /* unused parameter */
-
- while( count-- )
- {
- (*dest) = (unsigned char)(((*src) >> 24) + 128);
-
- src += sourceStride;
- dest += destinationStride;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Int32_To_UInt8_Dither(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- signed long *src = (signed long*)sourceBuffer;
- unsigned char *dest = (unsigned char*)destinationBuffer;
- (void)ditherGenerator; /* unused parameter */
-
- while( count-- )
- {
- /* IMPLEMENT ME */
-
- src += sourceStride;
- dest += destinationStride;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Int24_To_Float32(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- unsigned char *src = (unsigned char*)sourceBuffer;
- float *dest = (float*)destinationBuffer;
- signed long temp;
-
- (void) ditherGenerator; /* unused parameter */
-
- while( count-- )
- {
-
-#if defined(PA_LITTLE_ENDIAN)
- temp = (((long)src[0]) << 8);
- temp = temp | (((long)src[1]) << 16);
- temp = temp | (((long)src[2]) << 24);
-#elif defined(PA_BIG_ENDIAN)
- temp = (((long)src[0]) << 24);
- temp = temp | (((long)src[1]) << 16);
- temp = temp | (((long)src[2]) << 8);
-#endif
-
- *dest = (float) ((double)temp * const_1_div_2147483648_);
-
- src += sourceStride * 3;
- dest += destinationStride;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Int24_To_Int32(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- unsigned char *src = (unsigned char*)sourceBuffer;
- signed long *dest = (signed long*) destinationBuffer;
- signed long temp;
-
- (void) ditherGenerator; /* unused parameter */
-
- while( count-- )
- {
-
-#if defined(PA_LITTLE_ENDIAN)
- temp = (((long)src[0]) << 8);
- temp = temp | (((long)src[1]) << 16);
- temp = temp | (((long)src[2]) << 24);
-#elif defined(PA_BIG_ENDIAN)
- temp = (((long)src[0]) << 24);
- temp = temp | (((long)src[1]) << 16);
- temp = temp | (((long)src[2]) << 8);
-#endif
-
- *dest = temp;
-
- src += sourceStride * 3;
- dest += destinationStride;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Int24_To_Int16(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- unsigned char *src = (unsigned char*)sourceBuffer;
- signed short *dest = (signed short*)destinationBuffer;
-
- signed short temp;
-
- (void) ditherGenerator; /* unused parameter */
-
- while( count-- )
- {
-
-#if defined(PA_LITTLE_ENDIAN)
- /* src[0] is discarded */
- temp = (((signed short)src[1]));
- temp = temp | (signed short)(((signed short)src[2]) << 8);
-#elif defined(PA_BIG_ENDIAN)
- /* src[2] is discarded */
- temp = (signed short)(((signed short)src[0]) << 8);
- temp = temp | (((signed short)src[1]));
-#endif
-
- *dest = temp;
-
- src += sourceStride * 3;
- dest += destinationStride;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Int24_To_Int16_Dither(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- (void) destinationBuffer; /* unused parameters */
- (void) destinationStride; /* unused parameters */
- (void) sourceBuffer; /* unused parameters */
- (void) sourceStride; /* unused parameters */
- (void) count; /* unused parameters */
- (void) ditherGenerator; /* unused parameters */
- /* IMPLEMENT ME */
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Int24_To_Int8(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- unsigned char *src = (unsigned char*)sourceBuffer;
- signed char *dest = (signed char*)destinationBuffer;
-
- (void) ditherGenerator; /* unused parameter */
-
- while( count-- )
- {
-
-#if defined(PA_LITTLE_ENDIAN)
- /* src[0] is discarded */
- /* src[1] is discarded */
- *dest = src[2];
-#elif defined(PA_BIG_ENDIAN)
- /* src[2] is discarded */
- /* src[1] is discarded */
- *dest = src[0];
-#endif
-
- src += sourceStride * 3;
- dest += destinationStride;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Int24_To_Int8_Dither(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- (void) destinationBuffer; /* unused parameters */
- (void) destinationStride; /* unused parameters */
- (void) sourceBuffer; /* unused parameters */
- (void) sourceStride; /* unused parameters */
- (void) count; /* unused parameters */
- (void) ditherGenerator; /* unused parameters */
- /* IMPLEMENT ME */
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Int24_To_UInt8(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- unsigned char *src = (unsigned char*)sourceBuffer;
- unsigned char *dest = (unsigned char*)destinationBuffer;
-
- (void) ditherGenerator; /* unused parameter */
-
- while( count-- )
- {
-
-#if defined(PA_LITTLE_ENDIAN)
- /* src[0] is discarded */
- /* src[1] is discarded */
- *dest = (unsigned char)(src[2] + 128);
-#elif defined(PA_BIG_ENDIAN)
- *dest = (unsigned char)(src[0] + 128);
- /* src[1] is discarded */
- /* src[2] is discarded */
-#endif
-
- src += sourceStride * 3;
- dest += destinationStride;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Int24_To_UInt8_Dither(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- (void) destinationBuffer; /* unused parameters */
- (void) destinationStride; /* unused parameters */
- (void) sourceBuffer; /* unused parameters */
- (void) sourceStride; /* unused parameters */
- (void) count; /* unused parameters */
- (void) ditherGenerator; /* unused parameters */
- /* IMPLEMENT ME */
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Int16_To_Float32(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- signed short *src = (signed short*)sourceBuffer;
- float *dest = (float*)destinationBuffer;
- (void)ditherGenerator; /* unused parameter */
-
- while( count-- )
- {
- float samp = *src * const_1_div_32768_; /* FIXME: i'm concerned about this being asymetrical with float->int16 -rb */
- *dest = samp;
-
- src += sourceStride;
- dest += destinationStride;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Int16_To_Int32(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- signed short *src = (signed short*)sourceBuffer;
- signed long *dest = (signed long*)destinationBuffer;
- (void)ditherGenerator; /* unused parameter */
-
- while( count-- )
- {
- /* REVIEW: we should consider something like
- (*src << 16) | (*src & 0xFFFF)
- */
-
- *dest = *src << 16;
-
- src += sourceStride;
- dest += destinationStride;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Int16_To_Int24(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- signed short *src = (signed short*) sourceBuffer;
- unsigned char *dest = (unsigned char*)destinationBuffer;
- signed short temp;
-
- (void) ditherGenerator; /* unused parameter */
-
- while( count-- )
- {
- temp = *src;
-
-#if defined(PA_LITTLE_ENDIAN)
- dest[0] = 0;
- dest[1] = (unsigned char)(temp);
- dest[2] = (unsigned char)(temp >> 8);
-#elif defined(PA_BIG_ENDIAN)
- dest[0] = (unsigned char)(temp >> 8);
- dest[1] = (unsigned char)(temp);
- dest[2] = 0;
-#endif
-
- src += sourceStride;
- dest += destinationStride * 3;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Int16_To_Int8(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- signed short *src = (signed short*)sourceBuffer;
- signed char *dest = (signed char*)destinationBuffer;
- (void)ditherGenerator; /* unused parameter */
-
- while( count-- )
- {
- (*dest) = (signed char)((*src) >> 8);
-
- src += sourceStride;
- dest += destinationStride;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Int16_To_Int8_Dither(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- signed short *src = (signed short*)sourceBuffer;
- signed char *dest = (signed char*)destinationBuffer;
- (void)ditherGenerator; /* unused parameter */
-
- while( count-- )
- {
- /* IMPLEMENT ME */
-
- src += sourceStride;
- dest += destinationStride;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Int16_To_UInt8(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- signed short *src = (signed short*)sourceBuffer;
- unsigned char *dest = (unsigned char*)destinationBuffer;
- (void)ditherGenerator; /* unused parameter */
-
- while( count-- )
- {
- (*dest) = (unsigned char)(((*src) >> 8) + 128);
-
- src += sourceStride;
- dest += destinationStride;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Int16_To_UInt8_Dither(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- signed short *src = (signed short*)sourceBuffer;
- unsigned char *dest = (unsigned char*)destinationBuffer;
- (void)ditherGenerator; /* unused parameter */
-
- while( count-- )
- {
- /* IMPLEMENT ME */
-
- src += sourceStride;
- dest += destinationStride;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Int8_To_Float32(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- signed char *src = (signed char*)sourceBuffer;
- float *dest = (float*)destinationBuffer;
- (void)ditherGenerator; /* unused parameter */
-
- while( count-- )
- {
- float samp = *src * const_1_div_128_;
- *dest = samp;
-
- src += sourceStride;
- dest += destinationStride;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Int8_To_Int32(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- signed char *src = (signed char*)sourceBuffer;
- signed long *dest = (signed long*)destinationBuffer;
- (void)ditherGenerator; /* unused parameter */
-
- while( count-- )
- {
- (*dest) = (*src) << 24;
-
- src += sourceStride;
- dest += destinationStride;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Int8_To_Int24(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- signed char *src = (signed char*)sourceBuffer;
- unsigned char *dest = (unsigned char*)destinationBuffer;
- (void)ditherGenerator; /* unused parameter */
-
- while( count-- )
- {
-
-#if defined(PA_LITTLE_ENDIAN)
- dest[0] = 0;
- dest[1] = 0;
- dest[2] = (*src);
-#elif defined(PA_BIG_ENDIAN)
- dest[0] = (*src);
- dest[1] = 0;
- dest[2] = 0;
-#endif
-
- src += sourceStride;
- dest += destinationStride * 3;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Int8_To_Int16(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- signed char *src = (signed char*)sourceBuffer;
- signed short *dest = (signed short*)destinationBuffer;
- (void)ditherGenerator; /* unused parameter */
-
- while( count-- )
- {
- (*dest) = (signed short)((*src) << 8);
-
- src += sourceStride;
- dest += destinationStride;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Int8_To_UInt8(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- signed char *src = (signed char*)sourceBuffer;
- unsigned char *dest = (unsigned char*)destinationBuffer;
- (void)ditherGenerator; /* unused parameter */
-
- while( count-- )
- {
- (*dest) = (unsigned char)(*src + 128);
-
- src += sourceStride;
- dest += destinationStride;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void UInt8_To_Float32(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- unsigned char *src = (unsigned char*)sourceBuffer;
- float *dest = (float*)destinationBuffer;
- (void)ditherGenerator; /* unused parameter */
-
- while( count-- )
- {
- float samp = (*src - 128) * const_1_div_128_;
- *dest = samp;
-
- src += sourceStride;
- dest += destinationStride;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void UInt8_To_Int32(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- unsigned char *src = (unsigned char*)sourceBuffer;
- signed long *dest = (signed long*)destinationBuffer;
- (void)ditherGenerator; /* unused parameter */
-
- while( count-- )
- {
- (*dest) = (*src - 128) << 24;
-
- src += sourceStride;
- dest += destinationStride;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void UInt8_To_Int24(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- unsigned char *src = (unsigned char*)sourceBuffer;
- unsigned char *dest = (unsigned char*)destinationBuffer;
- (void) ditherGenerator; /* unused parameters */
-
- while( count-- )
- {
-
-#if defined(PA_LITTLE_ENDIAN)
- dest[0] = 0;
- dest[1] = 0;
- dest[2] = (unsigned char)(*src - 128);
-#elif defined(PA_BIG_ENDIAN)
- dest[0] = (unsigned char)(*src - 128);
- dest[1] = 0;
- dest[2] = 0;
-#endif
-
- src += sourceStride;
- dest += destinationStride * 3;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void UInt8_To_Int16(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- unsigned char *src = (unsigned char*)sourceBuffer;
- signed short *dest = (signed short*)destinationBuffer;
- (void)ditherGenerator; /* unused parameter */
-
- while( count-- )
- {
- (*dest) = (signed short)((*src - 128) << 8);
-
- src += sourceStride;
- dest += destinationStride;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void UInt8_To_Int8(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- unsigned char *src = (unsigned char*)sourceBuffer;
- signed char *dest = (signed char*)destinationBuffer;
- (void)ditherGenerator; /* unused parameter */
-
- while( count-- )
- {
- (*dest) = (signed char)(*src - 128);
-
- src += sourceStride;
- dest += destinationStride;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Copy_8_To_8(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- unsigned char *src = (unsigned char*)sourceBuffer;
- unsigned char *dest = (unsigned char*)destinationBuffer;
-
- (void) ditherGenerator; /* unused parameter */
-
- while( count-- )
- {
- *dest = *src;
-
- src += sourceStride;
- dest += destinationStride;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Copy_16_To_16(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- PaUint16 *src = (PaUint16 *)sourceBuffer;
- PaUint16 *dest = (PaUint16 *)destinationBuffer;
-
- (void) ditherGenerator; /* unused parameter */
-
- while( count-- )
- {
- *dest = *src;
-
- src += sourceStride;
- dest += destinationStride;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Copy_24_To_24(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- unsigned char *src = (unsigned char*)sourceBuffer;
- unsigned char *dest = (unsigned char*)destinationBuffer;
-
- (void) ditherGenerator; /* unused parameter */
-
- while( count-- )
- {
- dest[0] = src[0];
- dest[1] = src[1];
- dest[2] = src[2];
-
- src += sourceStride * 3;
- dest += destinationStride * 3;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Copy_32_To_32(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- PaUint32 *dest = (PaUint32 *)destinationBuffer;
- PaUint32 *src = (PaUint32 *)sourceBuffer;
-
- (void) ditherGenerator; /* unused parameter */
-
- while( count-- )
- {
- *dest = *src;
-
- src += sourceStride;
- dest += destinationStride;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-PaUtilConverterTable paConverters = {
- Float32_To_Int32, /* PaUtilConverter *Float32_To_Int32; */
- Float32_To_Int32_Dither, /* PaUtilConverter *Float32_To_Int32_Dither; */
- Float32_To_Int32_Clip, /* PaUtilConverter *Float32_To_Int32_Clip; */
- Float32_To_Int32_DitherClip, /* PaUtilConverter *Float32_To_Int32_DitherClip; */
-
- Float32_To_Int24, /* PaUtilConverter *Float32_To_Int24; */
- Float32_To_Int24_Dither, /* PaUtilConverter *Float32_To_Int24_Dither; */
- Float32_To_Int24_Clip, /* PaUtilConverter *Float32_To_Int24_Clip; */
- Float32_To_Int24_DitherClip, /* PaUtilConverter *Float32_To_Int24_DitherClip; */
-
- Float32_To_Int16, /* PaUtilConverter *Float32_To_Int16; */
- Float32_To_Int16_Dither, /* PaUtilConverter *Float32_To_Int16_Dither; */
- Float32_To_Int16_Clip, /* PaUtilConverter *Float32_To_Int16_Clip; */
- Float32_To_Int16_DitherClip, /* PaUtilConverter *Float32_To_Int16_DitherClip; */
-
- Float32_To_Int8, /* PaUtilConverter *Float32_To_Int8; */
- Float32_To_Int8_Dither, /* PaUtilConverter *Float32_To_Int8_Dither; */
- Float32_To_Int8_Clip, /* PaUtilConverter *Float32_To_Int8_Clip; */
- Float32_To_Int8_DitherClip, /* PaUtilConverter *Float32_To_Int8_DitherClip; */
-
- Float32_To_UInt8, /* PaUtilConverter *Float32_To_UInt8; */
- Float32_To_UInt8_Dither, /* PaUtilConverter *Float32_To_UInt8_Dither; */
- Float32_To_UInt8_Clip, /* PaUtilConverter *Float32_To_UInt8_Clip; */
- Float32_To_UInt8_DitherClip, /* PaUtilConverter *Float32_To_UInt8_DitherClip; */
-
- Int32_To_Float32, /* PaUtilConverter *Int32_To_Float32; */
- Int32_To_Int24, /* PaUtilConverter *Int32_To_Int24; */
- Int32_To_Int24_Dither, /* PaUtilConverter *Int32_To_Int24_Dither; */
- Int32_To_Int16, /* PaUtilConverter *Int32_To_Int16; */
- Int32_To_Int16_Dither, /* PaUtilConverter *Int32_To_Int16_Dither; */
- Int32_To_Int8, /* PaUtilConverter *Int32_To_Int8; */
- Int32_To_Int8_Dither, /* PaUtilConverter *Int32_To_Int8_Dither; */
- Int32_To_UInt8, /* PaUtilConverter *Int32_To_UInt8; */
- Int32_To_UInt8_Dither, /* PaUtilConverter *Int32_To_UInt8_Dither; */
-
- Int24_To_Float32, /* PaUtilConverter *Int24_To_Float32; */
- Int24_To_Int32, /* PaUtilConverter *Int24_To_Int32; */
- Int24_To_Int16, /* PaUtilConverter *Int24_To_Int16; */
- Int24_To_Int16_Dither, /* PaUtilConverter *Int24_To_Int16_Dither; */
- Int24_To_Int8, /* PaUtilConverter *Int24_To_Int8; */
- Int24_To_Int8_Dither, /* PaUtilConverter *Int24_To_Int8_Dither; */
- Int24_To_UInt8, /* PaUtilConverter *Int24_To_UInt8; */
- Int24_To_UInt8_Dither, /* PaUtilConverter *Int24_To_UInt8_Dither; */
-
- Int16_To_Float32, /* PaUtilConverter *Int16_To_Float32; */
- Int16_To_Int32, /* PaUtilConverter *Int16_To_Int32; */
- Int16_To_Int24, /* PaUtilConverter *Int16_To_Int24; */
- Int16_To_Int8, /* PaUtilConverter *Int16_To_Int8; */
- Int16_To_Int8_Dither, /* PaUtilConverter *Int16_To_Int8_Dither; */
- Int16_To_UInt8, /* PaUtilConverter *Int16_To_UInt8; */
- Int16_To_UInt8_Dither, /* PaUtilConverter *Int16_To_UInt8_Dither; */
-
- Int8_To_Float32, /* PaUtilConverter *Int8_To_Float32; */
- Int8_To_Int32, /* PaUtilConverter *Int8_To_Int32; */
- Int8_To_Int24, /* PaUtilConverter *Int8_To_Int24 */
- Int8_To_Int16, /* PaUtilConverter *Int8_To_Int16; */
- Int8_To_UInt8, /* PaUtilConverter *Int8_To_UInt8; */
-
- UInt8_To_Float32, /* PaUtilConverter *UInt8_To_Float32; */
- UInt8_To_Int32, /* PaUtilConverter *UInt8_To_Int32; */
- UInt8_To_Int24, /* PaUtilConverter *UInt8_To_Int24; */
- UInt8_To_Int16, /* PaUtilConverter *UInt8_To_Int16; */
- UInt8_To_Int8, /* PaUtilConverter *UInt8_To_Int8; */
-
- Copy_8_To_8, /* PaUtilConverter *Copy_8_To_8; */
- Copy_16_To_16, /* PaUtilConverter *Copy_16_To_16; */
- Copy_24_To_24, /* PaUtilConverter *Copy_24_To_24; */
- Copy_32_To_32 /* PaUtilConverter *Copy_32_To_32; */
-};
-
-/* -------------------------------------------------------------------------- */
-
-#endif /* PA_NO_STANDARD_CONVERTERS */
-
-/* -------------------------------------------------------------------------- */
-
-PaUtilZeroer* PaUtil_SelectZeroer( PaSampleFormat destinationFormat )
-{
- switch( destinationFormat & ~paNonInterleaved ){
- case paFloat32:
- return paZeroers.Zero32;
- case paInt32:
- return paZeroers.Zero32;
- case paInt24:
- return paZeroers.Zero24;
- case paInt16:
- return paZeroers.Zero16;
- case paInt8:
- return paZeroers.Zero8;
- case paUInt8:
- return paZeroers.ZeroU8;
- default: return 0;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-#ifdef PA_NO_STANDARD_ZEROERS
-
-/* -------------------------------------------------------------------------- */
-
-PaUtilZeroerTable paZeroers = {
- 0, /* PaUtilZeroer *ZeroU8; */
- 0, /* PaUtilZeroer *Zero8; */
- 0, /* PaUtilZeroer *Zero16; */
- 0, /* PaUtilZeroer *Zero24; */
- 0, /* PaUtilZeroer *Zero32; */
-};
-
-/* -------------------------------------------------------------------------- */
-
-#else /* PA_NO_STANDARD_ZEROERS is not defined */
-
-/* -------------------------------------------------------------------------- */
-
-static void ZeroU8( void *destinationBuffer, signed int destinationStride,
- unsigned int count )
-{
- unsigned char *dest = (unsigned char*)destinationBuffer;
-
- while( count-- )
- {
- *dest = 128;
-
- dest += destinationStride;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Zero8( void *destinationBuffer, signed int destinationStride,
- unsigned int count )
-{
- unsigned char *dest = (unsigned char*)destinationBuffer;
-
- while( count-- )
- {
- *dest = 0;
-
- dest += destinationStride;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Zero16( void *destinationBuffer, signed int destinationStride,
- unsigned int count )
-{
- PaUint16 *dest = (PaUint16 *)destinationBuffer;
-
- while( count-- )
- {
- *dest = 0;
-
- dest += destinationStride;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Zero24( void *destinationBuffer, signed int destinationStride,
- unsigned int count )
-{
- unsigned char *dest = (unsigned char*)destinationBuffer;
-
- while( count-- )
- {
- dest[0] = 0;
- dest[1] = 0;
- dest[2] = 0;
-
- dest += destinationStride * 3;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Zero32( void *destinationBuffer, signed int destinationStride,
- unsigned int count )
-{
- PaUint32 *dest = (PaUint32 *)destinationBuffer;
-
- while( count-- )
- {
- *dest = 0;
-
- dest += destinationStride;
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-PaUtilZeroerTable paZeroers = {
- ZeroU8, /* PaUtilZeroer *ZeroU8; */
- Zero8, /* PaUtilZeroer *Zero8; */
- Zero16, /* PaUtilZeroer *Zero16; */
- Zero24, /* PaUtilZeroer *Zero24; */
- Zero32, /* PaUtilZeroer *Zero32; */
-};
-
-/* -------------------------------------------------------------------------- */
-
-#endif /* PA_NO_STANDARD_ZEROERS */
diff --git a/src/audio/portaudio/pa_common/pa_converters.h b/src/audio/portaudio/pa_common/pa_converters.h
deleted file mode 100644
index 1d83c990bb..0000000000
--- a/src/audio/portaudio/pa_common/pa_converters.h
+++ /dev/null
@@ -1,254 +0,0 @@
-#ifndef PA_CONVERTERS_H
-#define PA_CONVERTERS_H
-/*
- * $Id$
- * Portable Audio I/O Library sample conversion mechanism
- *
- * Based on the Open Source API proposed by Ross Bencina
- * Copyright (c) 1999-2002 Phil Burk, Ross Bencina
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/** @file
- @brief Conversion functions used to convert buffers of samples from one
- format to another.
-*/
-
-
-#include "portaudio.h" /* for PaSampleFormat */
-
-#ifdef __cplusplus
-extern "C"
-{
-#endif /* __cplusplus */
-
-
-struct PaUtilTriangularDitherGenerator;
-
-
-/** Choose an available sample format which is most appropriate for
- representing the requested format. If the requested format is not available
- higher quality formats are considered before lower quality formates.
- @param availableFormats A variable containing the logical OR of all available
- formats.
- @param format The desired format.
- @return The most appropriate available format for representing the requested
- format.
-*/
-PaSampleFormat PaUtil_SelectClosestAvailableFormat(
- PaSampleFormat availableFormats, PaSampleFormat format );
-
-
-/* high level conversions functions for use by implementations */
-
-
-/** The generic sample converter prototype. Sample converters convert count
- samples from sourceBuffer to destinationBuffer. The actual type of the data
- pointed to by these parameters varys for different converter functions.
- @param destinationBuffer A pointer to the first sample of the destination.
- @param destinationStride An offset between successive destination samples
- expressed in samples (not bytes.) It may be negative.
- @param sourceBuffer A pointer to the first sample of the source.
- @param sourceStride An offset between successive source samples
- expressed in samples (not bytes.) It may be negative.
- @param count The number of samples to convert.
- @param ditherState State information used to calculate dither. Converters
- that do not perform dithering will ignore this parameter, in which case
- NULL or invalid dither state may be passed.
-*/
-typedef void PaUtilConverter(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, struct PaUtilTriangularDitherGenerator *ditherGenerator );
-
-
-/** Find a sample converter function for the given source and destinations
- formats and flags (clip and dither.)
- @return
- A pointer to a PaUtilConverter which will perform the requested
- conversion, or NULL if the given format conversion is not supported.
- For conversions where clipping or dithering is not necessary, the
- clip and dither flags are ignored and a non-clipping or dithering
- version is returned.
- If the source and destination formats are the same, a function which
- copies data of the appropriate size will be returned.
-*/
-PaUtilConverter* PaUtil_SelectConverter( PaSampleFormat sourceFormat,
- PaSampleFormat destinationFormat, PaStreamFlags flags );
-
-
-/** The generic buffer zeroer prototype. Buffer zeroers copy count zeros to
- destinationBuffer. The actual type of the data pointed to varys for
- different zeroer functions.
- @param destinationBuffer A pointer to the first sample of the destination.
- @param destinationStride An offset between successive destination samples
- expressed in samples (not bytes.) It may be negative.
- @param count The number of samples to zero.
-*/
-typedef void PaUtilZeroer(
- void *destinationBuffer, signed int destinationStride, unsigned int count );
-
-
-/** Find a buffer zeroer function for the given destination format.
- @return
- A pointer to a PaUtilZeroer which will perform the requested
- zeroing.
-*/
-PaUtilZeroer* PaUtil_SelectZeroer( PaSampleFormat destinationFormat );
-
-/*----------------------------------------------------------------------------*/
-/* low level functions and data structures which may be used for
- substituting conversion functions */
-
-
-/** The type used to store all sample conversion functions.
- @see paConverters;
-*/
-typedef struct{
- PaUtilConverter *Float32_To_Int32;
- PaUtilConverter *Float32_To_Int32_Dither;
- PaUtilConverter *Float32_To_Int32_Clip;
- PaUtilConverter *Float32_To_Int32_DitherClip;
-
- PaUtilConverter *Float32_To_Int24;
- PaUtilConverter *Float32_To_Int24_Dither;
- PaUtilConverter *Float32_To_Int24_Clip;
- PaUtilConverter *Float32_To_Int24_DitherClip;
-
- PaUtilConverter *Float32_To_Int16;
- PaUtilConverter *Float32_To_Int16_Dither;
- PaUtilConverter *Float32_To_Int16_Clip;
- PaUtilConverter *Float32_To_Int16_DitherClip;
-
- PaUtilConverter *Float32_To_Int8;
- PaUtilConverter *Float32_To_Int8_Dither;
- PaUtilConverter *Float32_To_Int8_Clip;
- PaUtilConverter *Float32_To_Int8_DitherClip;
-
- PaUtilConverter *Float32_To_UInt8;
- PaUtilConverter *Float32_To_UInt8_Dither;
- PaUtilConverter *Float32_To_UInt8_Clip;
- PaUtilConverter *Float32_To_UInt8_DitherClip;
-
- PaUtilConverter *Int32_To_Float32;
- PaUtilConverter *Int32_To_Int24;
- PaUtilConverter *Int32_To_Int24_Dither;
- PaUtilConverter *Int32_To_Int16;
- PaUtilConverter *Int32_To_Int16_Dither;
- PaUtilConverter *Int32_To_Int8;
- PaUtilConverter *Int32_To_Int8_Dither;
- PaUtilConverter *Int32_To_UInt8;
- PaUtilConverter *Int32_To_UInt8_Dither;
-
- PaUtilConverter *Int24_To_Float32;
- PaUtilConverter *Int24_To_Int32;
- PaUtilConverter *Int24_To_Int16;
- PaUtilConverter *Int24_To_Int16_Dither;
- PaUtilConverter *Int24_To_Int8;
- PaUtilConverter *Int24_To_Int8_Dither;
- PaUtilConverter *Int24_To_UInt8;
- PaUtilConverter *Int24_To_UInt8_Dither;
-
- PaUtilConverter *Int16_To_Float32;
- PaUtilConverter *Int16_To_Int32;
- PaUtilConverter *Int16_To_Int24;
- PaUtilConverter *Int16_To_Int8;
- PaUtilConverter *Int16_To_Int8_Dither;
- PaUtilConverter *Int16_To_UInt8;
- PaUtilConverter *Int16_To_UInt8_Dither;
-
- PaUtilConverter *Int8_To_Float32;
- PaUtilConverter *Int8_To_Int32;
- PaUtilConverter *Int8_To_Int24;
- PaUtilConverter *Int8_To_Int16;
- PaUtilConverter *Int8_To_UInt8;
-
- PaUtilConverter *UInt8_To_Float32;
- PaUtilConverter *UInt8_To_Int32;
- PaUtilConverter *UInt8_To_Int24;
- PaUtilConverter *UInt8_To_Int16;
- PaUtilConverter *UInt8_To_Int8;
-
- PaUtilConverter *Copy_8_To_8; /* copy without any conversion */
- PaUtilConverter *Copy_16_To_16; /* copy without any conversion */
- PaUtilConverter *Copy_24_To_24; /* copy without any conversion */
- PaUtilConverter *Copy_32_To_32; /* copy without any conversion */
-} PaUtilConverterTable;
-
-
-/** A table of pointers to all required converter functions.
- PaUtil_SelectConverter() uses this table to lookup the appropriate
- conversion functions. The fields of this structure are initialized
- with default conversion functions. Fields may be NULL, indicating that
- no conversion function is available. User code may substitue optimised
- conversion functions by assigning different function pointers to
- these fields.
-
- @note
- If the PA_NO_STANDARD_CONVERTERS preprocessor variable is defined,
- PortAudio's standard converters will not be compiled, and all fields
- of this structure will be initialized to NULL. In such cases, users
- should supply their own conversion functions if the require PortAudio
- to open a stream that requires sample conversion.
-
- @see PaUtilConverterTable, PaUtilConverter, PaUtil_SelectConverter
-*/
-extern PaUtilConverterTable paConverters;
-
-
-/** The type used to store all buffer zeroing functions.
- @see paZeroers;
-*/
-typedef struct{
- PaUtilZeroer *ZeroU8; /* unsigned 8 bit, zero == 128 */
- PaUtilZeroer *Zero8;
- PaUtilZeroer *Zero16;
- PaUtilZeroer *Zero24;
- PaUtilZeroer *Zero32;
-} PaUtilZeroerTable;
-
-
-/** A table of pointers to all required zeroer functions.
- PaUtil_SelectZeroer() uses this table to lookup the appropriate
- conversion functions. The fields of this structure are initialized
- with default conversion functions. User code may substitue optimised
- conversion functions by assigning different function pointers to
- these fields.
-
- @note
- If the PA_NO_STANDARD_ZEROERS preprocessor variable is defined,
- PortAudio's standard zeroers will not be compiled, and all fields
- of this structure will be initialized to NULL. In such cases, users
- should supply their own zeroing functions for the sample sizes which
- they intend to use.
-
- @see PaUtilZeroerTable, PaUtilZeroer, PaUtil_SelectZeroer
-*/
-extern PaUtilZeroerTable paZeroers;
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
-#endif /* PA_CONVERTERS_H */
diff --git a/src/audio/portaudio/pa_common/pa_cpuload.c b/src/audio/portaudio/pa_common/pa_cpuload.c
deleted file mode 100644
index ee2147dc33..0000000000
--- a/src/audio/portaudio/pa_common/pa_cpuload.c
+++ /dev/null
@@ -1,96 +0,0 @@
-/*
- * $Id$
- * Portable Audio I/O Library CPU Load measurement functions
- * Portable CPU load measurement facility.
- *
- * Based on the Open Source API proposed by Ross Bencina
- * Copyright (c) 2002 Ross Bencina
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/** @file
- @brief Functions to assist in measuring the CPU utilization of a callback
- stream. Used to implement the Pa_GetStreamCpuLoad() function.
-
- @todo Dynamically calculate the coefficients used to smooth the CPU Load
- Measurements over time to provide a uniform characterisation of CPU Load
- independent of rate at which PaUtil_BeginCpuLoadMeasurement /
- PaUtil_EndCpuLoadMeasurement are called.
-*/
-
-
-#include "pa_cpuload.h"
-
-#include <assert.h>
-
-#include "pa_util.h" /* for PaUtil_GetTime() */
-
-
-void PaUtil_InitializeCpuLoadMeasurer( PaUtilCpuLoadMeasurer* measurer, double sampleRate )
-{
- assert( sampleRate > 0 );
-
- measurer->samplingPeriod = 1. / sampleRate;
- measurer->averageLoad = 0.;
-}
-
-void PaUtil_ResetCpuLoadMeasurer( PaUtilCpuLoadMeasurer* measurer )
-{
- measurer->averageLoad = 0.;
-}
-
-void PaUtil_BeginCpuLoadMeasurement( PaUtilCpuLoadMeasurer* measurer )
-{
- measurer->measurementStartTime = PaUtil_GetTime();
-}
-
-
-void PaUtil_EndCpuLoadMeasurement( PaUtilCpuLoadMeasurer* measurer, unsigned long framesProcessed )
-{
- double measurementEndTime, secondsFor100Percent, measuredLoad;
-
- if( framesProcessed > 0 ){
- measurementEndTime = PaUtil_GetTime();
-
- assert( framesProcessed > 0 );
- secondsFor100Percent = framesProcessed * measurer->samplingPeriod;
-
- measuredLoad = (measurementEndTime - measurer->measurementStartTime) / secondsFor100Percent;
-
- /* Low pass filter the calculated CPU load to reduce jitter using a simple IIR low pass filter. */
- /** FIXME @todo these coefficients shouldn't be hardwired */
-#define LOWPASS_COEFFICIENT_0 (0.9)
-#define LOWPASS_COEFFICIENT_1 (0.99999 - LOWPASS_COEFFICIENT_0)
-
- measurer->averageLoad = (LOWPASS_COEFFICIENT_0 * measurer->averageLoad) +
- (LOWPASS_COEFFICIENT_1 * measuredLoad);
- }
-}
-
-
-double PaUtil_GetCpuLoad( PaUtilCpuLoadMeasurer* measurer )
-{
- return measurer->averageLoad;
-}
diff --git a/src/audio/portaudio/pa_common/pa_cpuload.h b/src/audio/portaudio/pa_common/pa_cpuload.h
deleted file mode 100644
index 131ad10bd3..0000000000
--- a/src/audio/portaudio/pa_common/pa_cpuload.h
+++ /dev/null
@@ -1,63 +0,0 @@
-#ifndef PA_CPULOAD_H
-#define PA_CPULOAD_H
-/*
- * $Id$
- * Portable Audio I/O Library CPU Load measurement functions
- * Portable CPU load measurement facility.
- *
- * Based on the Open Source API proposed by Ross Bencina
- * Copyright (c) 2002 Ross Bencina
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/** @file
- @brief Functions to assist in measuring the CPU utilization of a callback
- stream. Used to implement the Pa_GetStreamCpuLoad() function.
-*/
-
-
-#ifdef __cplusplus
-extern "C"
-{
-#endif /* __cplusplus */
-
-
-typedef struct {
- double samplingPeriod;
- double measurementStartTime;
- double averageLoad;
-} PaUtilCpuLoadMeasurer; /**< @todo need better name than measurer */
-
-void PaUtil_InitializeCpuLoadMeasurer( PaUtilCpuLoadMeasurer* measurer, double sampleRate );
-void PaUtil_BeginCpuLoadMeasurement( PaUtilCpuLoadMeasurer* measurer );
-void PaUtil_EndCpuLoadMeasurement( PaUtilCpuLoadMeasurer* measurer, unsigned long framesProcessed );
-void PaUtil_ResetCpuLoadMeasurer( PaUtilCpuLoadMeasurer* measurer );
-double PaUtil_GetCpuLoad( PaUtilCpuLoadMeasurer* measurer );
-
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
-#endif /* PA_CPULOAD_H */
diff --git a/src/audio/portaudio/pa_common/pa_dither.c b/src/audio/portaudio/pa_common/pa_dither.c
deleted file mode 100644
index d44a060cd2..0000000000
--- a/src/audio/portaudio/pa_common/pa_dither.c
+++ /dev/null
@@ -1,204 +0,0 @@
-/*
- * $Id$
- * Portable Audio I/O Library triangular dither generator
- *
- * Based on the Open Source API proposed by Ross Bencina
- * Copyright (c) 1999-2002 Phil Burk, Ross Bencina
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/** @file
- @brief Functions for generating dither noise
-*/
-
-
-#include "pa_dither.h"
-#include "pa_types.h"
-
-#define PA_DITHER_BITS_ (15)
-
-
-void PaUtil_InitializeTriangularDitherState( PaUtilTriangularDitherGenerator *state )
-{
- state->previous = 0;
- state->randSeed1 = 22222;
- state->randSeed2 = 5555555;
-}
-
-
-signed long PaUtil_Generate16BitTriangularDither( PaUtilTriangularDitherGenerator *state )
-{
- signed long current, highPass;
-
- /* Generate two random numbers. */
- state->randSeed1 = (state->randSeed1 * 196314165) + 907633515;
- state->randSeed2 = (state->randSeed2 * 196314165) + 907633515;
-
- /* Generate triangular distribution about 0.
- * Shift before adding to prevent overflow which would skew the distribution.
- * Also shift an extra bit for the high pass filter.
- */
-#define DITHER_SHIFT_ ((SIZEOF_LONG*8 - PA_DITHER_BITS_) + 1)
- current = (((signed long)state->randSeed1)>>DITHER_SHIFT_) +
- (((signed long)state->randSeed2)>>DITHER_SHIFT_);
-
- /* High pass filter to reduce audibility. */
- highPass = current - state->previous;
- state->previous = current;
- return highPass;
-}
-
-
-/* Multiply by PA_FLOAT_DITHER_SCALE_ to get a float between -2.0 and +1.99999 */
-#define PA_FLOAT_DITHER_SCALE_ (1.0f / ((1<<PA_DITHER_BITS_)-1))
-static const float const_float_dither_scale_ = PA_FLOAT_DITHER_SCALE_;
-
-float PaUtil_GenerateFloatTriangularDither( PaUtilTriangularDitherGenerator *state )
-{
- signed long current, highPass;
-
- /* Generate two random numbers. */
- state->randSeed1 = (state->randSeed1 * 196314165) + 907633515;
- state->randSeed2 = (state->randSeed2 * 196314165) + 907633515;
-
- /* Generate triangular distribution about 0.
- * Shift before adding to prevent overflow which would skew the distribution.
- * Also shift an extra bit for the high pass filter.
- */
-#define DITHER_SHIFT_ ((SIZEOF_LONG*8 - PA_DITHER_BITS_) + 1)
- current = (((signed long)state->randSeed1)>>DITHER_SHIFT_) +
- (((signed long)state->randSeed2)>>DITHER_SHIFT_);
-
- /* High pass filter to reduce audibility. */
- highPass = current - state->previous;
- state->previous = current;
- return ((float)highPass) * const_float_dither_scale_;
-}
-
-
-/*
-The following alternate dither algorithms (from musicdsp.org) could be
-considered
-*/
-
-/*Noise shaped dither (March 2000)
--------------------
-
-This is a simple implementation of highpass triangular-PDF dither with
-2nd-order noise shaping, for use when truncating floating point audio
-data to fixed point.
-
-The noise shaping lowers the noise floor by 11dB below 5kHz (@ 44100Hz
-sample rate) compared to triangular-PDF dither. The code below assumes
-input data is in the range +1 to -1 and doesn't check for overloads!
-
-To save time when generating dither for multiple channels you can do
-things like this: r3=(r1 & 0x7F)<<8; instead of calling rand() again.
-
-
-
- int r1, r2; //rectangular-PDF random numbers
- float s1, s2; //error feedback buffers
- float s = 0.5f; //set to 0.0f for no noise shaping
- float w = pow(2.0,bits-1); //word length (usually bits=16)
- float wi= 1.0f/w;
- float d = wi / RAND_MAX; //dither amplitude (2 lsb)
- float o = wi * 0.5f; //remove dc offset
- float in, tmp;
- int out;
-
-
-//for each sample...
-
- r2=r1; //can make HP-TRI dither by
- r1=rand(); //subtracting previous rand()
-
- in += s * (s1 + s1 - s2); //error feedback
- tmp = in + o + d * (float)(r1 - r2); //dc offset and dither
-
- out = (int)(w * tmp); //truncate downwards
- if(tmp<0.0f) out--; //this is faster than floor()
-
- s2 = s1;
- s1 = in - wi * (float)out; //error
-
-
-
---
-paul.kellett@maxim.abel.co.uk
-http://www.maxim.abel.co.uk
-*/
-
-
-/*
-16-to-8-bit first-order dither
-
-Type : First order error feedforward dithering code
-References : Posted by Jon Watte
-
-Notes :
-This is about as simple a dithering algorithm as you can implement, but it's
-likely to sound better than just truncating to N bits.
-
-Note that you might not want to carry forward the full difference for infinity.
-It's probably likely that the worst performance hit comes from the saturation
-conditionals, which can be avoided with appropriate instructions on many DSPs
-and integer SIMD type instructions, or CMOV.
-
-Last, if sound quality is paramount (such as when going from > 16 bits to 16
-bits) you probably want to use a higher-order dither function found elsewhere
-on this site.
-
-
-Code :
-// This code will down-convert and dither a 16-bit signed short
-// mono signal into an 8-bit unsigned char signal, using a first
-// order forward-feeding error term dither.
-
-#define uchar unsigned char
-
-void dither_one_channel_16_to_8( short * input, uchar * output, int count, int * memory )
-{
- int m = *memory;
- while( count-- > 0 ) {
- int i = *input++;
- i += m;
- int j = i + 32768 - 128;
- uchar o;
- if( j < 0 ) {
- o = 0;
- }
- else if( j > 65535 ) {
- o = 255;
- }
- else {
- o = (uchar)((j>>8)&0xff);
- }
- m = ((j-32768+128)-i);
- *output++ = o;
- }
- *memory = m;
-}
-*/
diff --git a/src/audio/portaudio/pa_common/pa_dither.h b/src/audio/portaudio/pa_common/pa_dither.h
deleted file mode 100644
index 148db275fb..0000000000
--- a/src/audio/portaudio/pa_common/pa_dither.h
+++ /dev/null
@@ -1,91 +0,0 @@
-#ifndef PA_DITHER_H
-#define PA_DITHER_H
-/*
- * $Id$
- * Portable Audio I/O Library triangular dither generator
- *
- * Based on the Open Source API proposed by Ross Bencina
- * Copyright (c) 1999-2002 Phil Burk, Ross Bencina
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/** @file
- @brief Functions for generating dither noise
-*/
-
-
-#ifdef __cplusplus
-extern "C"
-{
-#endif /* __cplusplus */
-
-
-/** @brief State needed to generate a dither signal */
-typedef struct PaUtilTriangularDitherGenerator{
- unsigned long previous;
- unsigned long randSeed1;
- unsigned long randSeed2;
-} PaUtilTriangularDitherGenerator;
-
-
-/** @brief Initialize dither state */
-void PaUtil_InitializeTriangularDitherState( PaUtilTriangularDitherGenerator *ditherState );
-
-
-/**
- @brief Calculate 2 LSB dither signal with a triangular distribution.
- Ranged for adding to a 1 bit right-shifted 32 bit integer
- prior to >>15. eg:
-<pre>
- signed long in = *
- signed long dither = PaUtil_Generate16BitTriangularDither( ditherState );
- signed short out = (signed short)(((in>>1) + dither) >> 15);
-</pre>
- @return
- A signed long with a range of +32767 to -32768
-*/
-signed long PaUtil_Generate16BitTriangularDither( PaUtilTriangularDitherGenerator *ditherState );
-
-
-/**
- @brief Calculate 2 LSB dither signal with a triangular distribution.
- Ranged for adding to a pre-scaled float.
-<pre>
- float in = *
- float dither = PaUtil_GenerateFloatTriangularDither( ditherState );
- // use smaller scaler to prevent overflow when we add the dither
- signed short out = (signed short)(in*(32766.0f) + dither );
-</pre>
- @return
- A float with a range of -2.0 to +1.99999.
-*/
-float PaUtil_GenerateFloatTriangularDither( PaUtilTriangularDitherGenerator *ditherState );
-
-
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
-#endif /* PA_DITHER_H */
diff --git a/src/audio/portaudio/pa_common/pa_endianness.h b/src/audio/portaudio/pa_common/pa_endianness.h
deleted file mode 100644
index 3a573929b3..0000000000
--- a/src/audio/portaudio/pa_common/pa_endianness.h
+++ /dev/null
@@ -1,111 +0,0 @@
-#ifndef PA_ENDIANNESS_H
-#define PA_ENDIANNESS_H
-/*
- * $Id$
- * Portable Audio I/O Library current platform endianness macros
- *
- * Based on the Open Source API proposed by Ross Bencina
- * Copyright (c) 1999-2002 Phil Burk, Ross Bencina
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/** @file
- @brief Configure endianness symbols for the target processor.
-
- Arrange for either the PA_LITTLE_ENDIAN or PA_BIG_ENDIAN preprocessor symbols
- to be defined. The one that is defined reflects the endianness of the target
- platform and may be used to implement conditional compilation of byte-order
- dependent code.
-
- If either PA_LITTLE_ENDIAN or PA_BIG_ENDIAN is defined already, then no attempt
- is made to override that setting. This may be useful if you have a better way
- of determining the platform's endianness. The autoconf mechanism uses this for
- example.
-
- A PA_VALIDATE_ENDIANNESS macro is provided to compare the compile time
- and runtime endiannes and raise an assertion if they don't match.
-*/
-
-
-#ifdef __cplusplus
-extern "C"
-{
-#endif /* __cplusplus */
-
-
-#if defined(PA_LITTLE_ENDIAN) || defined(PA_BIG_ENDIAN)
- /* endianness define has been set externally, such as by autoconf */
-
- #if defined(PA_LITTLE_ENDIAN) && defined(PA_BIG_ENDIAN)
- #error both PA_LITTLE_ENDIAN and PA_BIG_ENDIAN have been defined externally to pa_endianness.h - only one endianness at a time please
- #endif
-
-#else
- /* endianness define has not been set externally */
-
- /* set PA_LITTLE_ENDIAN or PA_BIG_ENDIAN by testing well known platform specific defines */
-
- #if defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__NT__)
-
- #define PA_LITTLE_ENDIAN /* win32, assume intel byte order */
-
- #else
-
-#endif
-
- #if !defined(PA_LITTLE_ENDIAN) && !defined(PA_BIG_ENDIAN)
- /*
- If the following error is raised, you either need to modify the code above
- to automatically determine the endianness from other symbols defined on your
- platform, or define either PA_LITTLE_ENDIAN or PA_BIG_ENDIAN externally.
- */
- #error pa_endianness.h was unable to automatically determine the endianness of the target platform
- #endif
-
-#endif
-
-/* PA_VALIDATE_ENDIANNESS compares the compile time and runtime endianness,
- and raises an assertion if they don't match. <assert.h> must be included in
- the context in which this macro is used.
-*/
-#if defined(PA_LITTLE_ENDIAN)
- #define PA_VALIDATE_ENDIANNESS \
- { \
- const long nativeOne = 1; \
- assert( "PortAudio: compile time and runtime endianness don't match" && (((char *)&nativeOne)[0]) == 1 ); \
- }
-#elif defined(PA_BIG_ENDIAN)
- #define PA_VALIDATE_ENDIANNESS \
- { \
- const long nativeOne = 1; \
- assert( "PortAudio: compile time and runtime endianness don't match" && (((char *)&nativeOne)[0]) == 0 ); \
- }
-#endif
-
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
-#endif /* PA_ENDIANNESS_H */
diff --git a/src/audio/portaudio/pa_common/pa_front.c b/src/audio/portaudio/pa_common/pa_front.c
deleted file mode 100644
index 3b4a026b55..0000000000
--- a/src/audio/portaudio/pa_common/pa_front.c
+++ /dev/null
@@ -1,1976 +0,0 @@
-/*
- * $Id$
- * Portable Audio I/O Library Multi-Host API front end
- * Validate function parameters and manage multiple host APIs.
- *
- * Based on the Open Source API proposed by Ross Bencina
- * Copyright (c) 1999-2002 Ross Bencina, Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/* doxygen index page */
-/** @mainpage
-
-PortAudio is an open-source cross-platform �C� library for audio input
-and output. It is designed to simplify the porting of audio applications
-between various platforms, and also to simplify the development of audio
-software in general by hiding the complexities of device interfacing.
-
-See the PortAudio website for further information http://www.portaudio.com/
-
-This documentation pertains to PortAudio V19, API version 2.0 which is
-currently under development. API version 2.0 differs in a number of ways from
-previous versions, please consult the enhancement proposals for further details:
-http://www.portaudio.com/docs/proposals/index.html
-
-This documentation is under construction. Things you might be interested in
-include:
-
-- The PortAudio API 2.0, as documented in portaudio.h
-
-- The <a href="todo.html">TODO List</a>
-
-Feel free to pick an item off TODO list and fix/implement it. You may want to
-enquire about status on the PortAudio mailing list first.
-*/
-
-
-/** @file
- @brief Implements public PortAudio API, checks some errors, forwards to
- host API implementations.
-
- Implements the functions defined in the PortAudio API, checks for
- some parameter and state inconsistencies and forwards API requests to
- specific Host API implementations (via the interface declared in
- pa_hostapi.h), and Streams (via the interface declared in pa_stream.h).
-
- This file handles initialization and termination of Host API
- implementations via initializers stored in the paHostApiInitializers
- global variable.
-
- Some utility functions declared in pa_util.h are implemented in this file.
-
- All PortAudio API functions can be conditionally compiled with logging code.
- To compile with logging, define the PA_LOG_API_CALLS precompiler symbol.
-
- @todo Consider adding host API specific error text in Pa_GetErrorText() for
- paUnanticipatedHostError
-
- @todo Consider adding a new error code for when (inputParameters == NULL)
- && (outputParameters == NULL)
-
- @todo review whether Pa_CloseStream() should call the interface's
- CloseStream function if aborting the stream returns an error code.
-
- @todo Create new error codes if a NULL buffer pointer, or a
- zero frame count is passed to Pa_ReadStream or Pa_WriteStream.
-*/
-
-
-#include <stdio.h>
-#include <stdarg.h>
-#include <memory.h>
-#include <string.h>
-#include <assert.h> /* needed by PA_VALIDATE_ENDIANNESS */
-
-#include "portaudio.h"
-#include "pa_util.h"
-#include "pa_endianness.h"
-#include "pa_types.h"
-#include "pa_hostapi.h"
-#include "pa_stream.h"
-
-#include "pa_trace.h"
-
-
-#define PA_VERSION_ 1899
-#define PA_VERSION_TEXT_ "PortAudio V19-devel"
-
-
-
-/* #define PA_LOG_API_CALLS */
-
-/*
- The basic format for log messages is described below. If you need to
- add any log messages, please follow this format.
-
- Function entry (void function):
-
- "FunctionName called.\n"
-
- Function entry (non void function):
-
- "FunctionName called:\n"
- "\tParam1Type param1: param1Value\n"
- "\tParam2Type param2: param2Value\n" (etc...)
-
-
- Function exit (no return value):
-
- "FunctionName returned.\n"
-
- Function exit (simple return value):
-
- "FunctionName returned:\n"
- "\tReturnType: returnValue\n\n"
-
- If the return type is an error code, the error text is displayed in ()
-
- If the return type is not an error code, but has taken a special value
- because an error occurred, then the reason for the error is shown in []
-
- If the return type is a struct ptr, the struct is dumped.
-
- See the code below for examples
-*/
-
-
-int Pa_GetVersion( void )
-{
- return PA_VERSION_;
-}
-
-
-const char* Pa_GetVersionText( void )
-{
- return PA_VERSION_TEXT_;
-}
-
-
-
-#define PA_LAST_HOST_ERROR_TEXT_LENGTH_ 1024
-
-static char lastHostErrorText_[ PA_LAST_HOST_ERROR_TEXT_LENGTH_ + 1 ] = {0};
-
-static PaHostErrorInfo lastHostErrorInfo_ = { (PaHostApiTypeId)-1, 0, lastHostErrorText_ };
-
-
-void PaUtil_SetLastHostErrorInfo( PaHostApiTypeId hostApiType, long errorCode,
- const char *errorText )
-{
- lastHostErrorInfo_.hostApiType = hostApiType;
- lastHostErrorInfo_.errorCode = errorCode;
-
- strncpy( lastHostErrorText_, errorText, PA_LAST_HOST_ERROR_TEXT_LENGTH_ );
-}
-
-
-void PaUtil_DebugPrint( const char *format, ... )
-{
- va_list ap;
-
- va_start( ap, format );
- vfprintf( stderr, format, ap );
- va_end( ap );
-
- fflush( stderr );
-}
-
-
-static PaUtilHostApiRepresentation **hostApis_ = 0;
-static int hostApisCount_ = 0;
-static int initializationCount_ = 0;
-static int deviceCount_ = 0;
-
-PaUtilStreamRepresentation *firstOpenStream_ = NULL;
-
-
-#define PA_IS_INITIALISED_ (initializationCount_ != 0)
-
-
-static int CountHostApiInitializers( void )
-{
- int result = 0;
-
- while( paHostApiInitializers[ result ] != 0 )
- ++result;
- return result;
-}
-
-
-static void TerminateHostApis( void )
-{
- /* terminate in reverse order from initialization */
-
- while( hostApisCount_ > 0 )
- {
- --hostApisCount_;
- hostApis_[hostApisCount_]->Terminate( hostApis_[hostApisCount_] );
- }
- hostApisCount_ = 0;
- deviceCount_ = 0;
-
- if( hostApis_ != 0 )
- PaUtil_FreeMemory( hostApis_ );
- hostApis_ = 0;
-}
-
-
-static PaError InitializeHostApis( void )
-{
- PaError result = paNoError;
- int i, initializerCount, baseDeviceIndex;
-
- initializerCount = CountHostApiInitializers();
-
- hostApis_ = (PaUtilHostApiRepresentation**)PaUtil_AllocateMemory(
- sizeof(PaUtilHostApiRepresentation*) * initializerCount );
- if( !hostApis_ )
- {
- result = paInsufficientMemory;
- goto error;
- }
-
- hostApisCount_ = 0;
- deviceCount_ = 0;
- baseDeviceIndex = 0;
-
- for( i=0; i< initializerCount; ++i )
- {
- hostApis_[hostApisCount_] = NULL;
- result = paHostApiInitializers[i]( &hostApis_[hostApisCount_], hostApisCount_ );
- if( result != paNoError )
- goto error;
-
- if( hostApis_[hostApisCount_] )
- {
-
- hostApis_[hostApisCount_]->privatePaFrontInfo.baseDeviceIndex = baseDeviceIndex;
-
- if( hostApis_[hostApisCount_]->info.defaultInputDevice != paNoDevice )
- hostApis_[hostApisCount_]->info.defaultInputDevice += baseDeviceIndex;
-
- if( hostApis_[hostApisCount_]->info.defaultOutputDevice != paNoDevice )
- hostApis_[hostApisCount_]->info.defaultOutputDevice += baseDeviceIndex;
-
- baseDeviceIndex += hostApis_[hostApisCount_]->info.deviceCount;
- deviceCount_ += hostApis_[hostApisCount_]->info.deviceCount;
-
- ++hostApisCount_;
- }
- }
-
- return result;
-
-error:
- TerminateHostApis();
- return result;
-}
-
-
-/*
- FindHostApi() finds the index of the host api to which
- <device> belongs and returns it. if <hostSpecificDeviceIndex> is
- non-null, the host specific device index is returned in it.
- returns -1 if <device> is out of range.
-
-*/
-static int FindHostApi( PaDeviceIndex device, int *hostSpecificDeviceIndex )
-{
- int i=0;
-
- if( !PA_IS_INITIALISED_ )
- return -1;
-
- if( device < 0 )
- return -1;
-
- while( i < hostApisCount_
- && device >= hostApis_[i]->info.deviceCount )
- {
-
- device -= hostApis_[i]->info.deviceCount;
- ++i;
- }
-
- if( i >= hostApisCount_ )
- return -1;
-
- if( hostSpecificDeviceIndex )
- *hostSpecificDeviceIndex = device;
-
- return i;
-}
-
-
-static void AddOpenStream( PaStream* stream )
-{
- ((PaUtilStreamRepresentation*)stream)->nextOpenStream = firstOpenStream_;
- firstOpenStream_ = (PaUtilStreamRepresentation*)stream;
-}
-
-
-static void RemoveOpenStream( PaStream* stream )
-{
- PaUtilStreamRepresentation *previous = NULL;
- PaUtilStreamRepresentation *current = firstOpenStream_;
-
- while( current != NULL )
- {
- if( ((PaStream*)current) == stream )
- {
- if( previous == NULL )
- {
- firstOpenStream_ = current->nextOpenStream;
- }
- else
- {
- previous->nextOpenStream = current->nextOpenStream;
- }
- return;
- }
- else
- {
- previous = current;
- current = current->nextOpenStream;
- }
- }
-}
-
-
-static void CloseOpenStreams( void )
-{
- /* we call Pa_CloseStream() here to ensure that the same destruction
- logic is used for automatically closed streams */
-
- while( firstOpenStream_ != NULL )
- Pa_CloseStream( firstOpenStream_ );
-}
-
-
-PaError Pa_Initialize( void )
-{
- PaError result;
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint( "Pa_Initialize called.\n" );
-#endif
-
- if( PA_IS_INITIALISED_ )
- {
- ++initializationCount_;
- result = paNoError;
- }
- else
- {
- PA_VALIDATE_TYPE_SIZES;
- PA_VALIDATE_ENDIANNESS;
-
- PaUtil_InitializeClock();
- PaUtil_ResetTraceMessages();
-
- result = InitializeHostApis();
- if( result == paNoError )
- ++initializationCount_;
- }
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint( "Pa_Initialize returned:\n" );
- PaUtil_DebugPrint( "\tPaError: %d ( %s )\n\n", result, Pa_GetErrorText( result ) );
-#endif
-
- return result;
-}
-
-
-PaError Pa_Terminate( void )
-{
- PaError result;
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_Terminate called.\n" );
-#endif
-
- if( PA_IS_INITIALISED_ )
- {
- if( --initializationCount_ == 0 )
- {
- CloseOpenStreams();
-
- TerminateHostApis();
-
- PaUtil_DumpTraceMessages();
- }
- result = paNoError;
- }
- else
- {
- result= paNotInitialized;
- }
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_Terminate returned:\n" );
- PaUtil_DebugPrint("\tPaError: %d ( %s )\n\n", result, Pa_GetErrorText( result ) );
-#endif
-
- return result;
-}
-
-
-const PaHostErrorInfo* Pa_GetLastHostErrorInfo( void )
-{
- return &lastHostErrorInfo_;
-}
-
-
-const char *Pa_GetErrorText( PaError errorCode )
-{
- const char *result;
-
- switch( errorCode )
- {
- case paNoError: result = "Success"; break;
- case paNotInitialized: result = "PortAudio not initialized"; break;
- /** @todo could catenate the last host error text to result in the case of paUnanticipatedHostError */
- case paUnanticipatedHostError: result = "Unanticipated host error"; break;
- case paInvalidChannelCount: result = "Invalid number of channels"; break;
- case paInvalidSampleRate: result = "Invalid sample rate"; break;
- case paInvalidDevice: result = "Invalid device"; break;
- case paInvalidFlag: result = "Invalid flag"; break;
- case paSampleFormatNotSupported: result = "Sample format not supported"; break;
- case paBadIODeviceCombination: result = "Illegal combination of I/O devices"; break;
- case paInsufficientMemory: result = "Insufficient memory"; break;
- case paBufferTooBig: result = "Buffer too big"; break;
- case paBufferTooSmall: result = "Buffer too small"; break;
- case paNullCallback: result = "No callback routine specified"; break;
- case paBadStreamPtr: result = "Invalid stream pointer"; break;
- case paTimedOut: result = "Wait timed out"; break;
- case paInternalError: result = "Internal PortAudio error"; break;
- case paDeviceUnavailable: result = "Device unavailable"; break;
- case paIncompatibleHostApiSpecificStreamInfo: result = "Incompatible host API specific stream info"; break;
- case paStreamIsStopped: result = "Stream is stopped"; break;
- case paStreamIsNotStopped: result = "Stream is not stopped"; break;
- case paInputOverflowed: result = "Input overflowed"; break;
- case paOutputUnderflowed: result = "Output underflowed"; break;
- case paHostApiNotFound: result = "Host API not found"; break;
- case paInvalidHostApi: result = "Invalid host API"; break;
- case paCanNotReadFromACallbackStream: result = "Can't read from a callback stream"; break;
- case paCanNotWriteToACallbackStream: result = "Can't write to a callback stream"; break;
- case paCanNotReadFromAnOutputOnlyStream: result = "Can't read from an output only stream"; break;
- case paCanNotWriteToAnInputOnlyStream: result = "Can't write to an input only stream"; break;
- default: result = "Illegal error number"; break;
- }
- return result;
-}
-
-
-PaHostApiIndex Pa_HostApiTypeIdToHostApiIndex( PaHostApiTypeId type )
-{
- PaHostApiIndex result;
- int i;
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_HostApiTypeIdToHostApiIndex called:\n" );
- PaUtil_DebugPrint("\tPaHostApiTypeId type: %d\n", type );
-#endif
-
- if( !PA_IS_INITIALISED_ )
- {
- result = paNotInitialized;
- }
- else
- {
- result = paHostApiNotFound;
-
- for( i=0; i < hostApisCount_; ++i )
- {
- if( hostApis_[i]->info.type == type )
- {
- result = i;
- break;
- }
- }
- }
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_HostApiTypeIdToHostApiIndex returned:\n" );
- if( result < 0 )
- PaUtil_DebugPrint("\tPaError: %d ( %s )\n\n", result, Pa_GetErrorText( result ) );
- else
- PaUtil_DebugPrint("\tPaHostApiIndex: %d\n\n", result );
-#endif
-
- return result;
-}
-
-
-PaError PaUtil_GetHostApiRepresentation( struct PaUtilHostApiRepresentation **hostApi,
- PaHostApiTypeId type )
-{
- PaError result;
- int i;
-
- if( !PA_IS_INITIALISED_ )
- {
- result = paNotInitialized;
- }
- else
- {
- result = paHostApiNotFound;
-
- for( i=0; i < hostApisCount_; ++i )
- {
- if( hostApis_[i]->info.type == type )
- {
- *hostApi = hostApis_[i];
- result = paNoError;
- break;
- }
- }
- }
-
- return result;
-}
-
-
-PaError PaUtil_DeviceIndexToHostApiDeviceIndex(
- PaDeviceIndex *hostApiDevice, PaDeviceIndex device, struct PaUtilHostApiRepresentation *hostApi )
-{
- PaError result;
- PaDeviceIndex x;
-
- x = device - hostApi->privatePaFrontInfo.baseDeviceIndex;
-
- if( x < 0 || x >= hostApi->info.deviceCount )
- {
- result = paInvalidDevice;
- }
- else
- {
- *hostApiDevice = x;
- result = paNoError;
- }
-
- return result;
-}
-
-
-PaHostApiIndex Pa_GetHostApiCount( void )
-{
- int result;
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_GetHostApiCount called.\n" );
-#endif
-
- if( !PA_IS_INITIALISED_ )
- {
- result = paNotInitialized;
- }
- else
- {
- result = hostApisCount_;
- }
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_GetHostApiCount returned:\n" );
- if( result < 0 )
- PaUtil_DebugPrint("\tPaError: %d ( %s )\n\n", result, Pa_GetErrorText( result ) );
- else
- PaUtil_DebugPrint("\tPaHostApiIndex %d\n\n", result );
-#endif
-
- return result;
-}
-
-
-PaHostApiIndex Pa_GetDefaultHostApi( void )
-{
- int result;
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_GetDefaultHostApi called.\n" );
-#endif
-
- if( !PA_IS_INITIALISED_ )
- {
- result = paNotInitialized;
- }
- else
- {
- result = paDefaultHostApiIndex;
-
- /* internal consistency check: make sure that the default host api
- index is within range */
-
- if( result < 0 || result >= hostApisCount_ )
- {
- result = paInternalError;
- }
- }
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_GetDefaultHostApi returned:\n" );
- if( result < 0 )
- PaUtil_DebugPrint("\tPaError: %d ( %s )\n\n", result, Pa_GetErrorText( result ) );
- else
- PaUtil_DebugPrint("\tPaHostApiIndex %d\n\n", result );
-#endif
-
- return result;
-}
-
-
-const PaHostApiInfo* Pa_GetHostApiInfo( PaHostApiIndex hostApi )
-{
- PaHostApiInfo *info;
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_GetHostApiInfo called:\n" );
- PaUtil_DebugPrint("\tPaHostApiIndex hostApi: %d\n", hostApi );
-#endif
-
- if( !PA_IS_INITIALISED_ )
- {
- info = NULL;
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_GetHostApiInfo returned:\n" );
- PaUtil_DebugPrint("\tPaHostApiInfo*: NULL [ PortAudio not initialized ]\n\n" );
-#endif
-
- }
- else if( hostApi < 0 || hostApi >= hostApisCount_ )
- {
- info = NULL;
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_GetHostApiInfo returned:\n" );
- PaUtil_DebugPrint("\tPaHostApiInfo*: NULL [ hostApi out of range ]\n\n" );
-#endif
-
- }
- else
- {
- info = &hostApis_[hostApi]->info;
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_GetHostApiInfo returned:\n" );
- PaUtil_DebugPrint("\tPaHostApiInfo*: 0x%p\n", info );
- PaUtil_DebugPrint("\t{" );
- PaUtil_DebugPrint("\t\tint structVersion: %d\n", info->structVersion );
- PaUtil_DebugPrint("\t\tPaHostApiTypeId type: %d\n", info->type );
- PaUtil_DebugPrint("\t\tconst char *name: %s\n\n", info->name );
- PaUtil_DebugPrint("\t}\n\n" );
-#endif
-
- }
-
- return info;
-}
-
-
-PaDeviceIndex Pa_HostApiDeviceIndexToDeviceIndex( PaHostApiIndex hostApi, int hostApiDeviceIndex )
-{
- PaDeviceIndex result;
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_HostApiDeviceIndexToPaDeviceIndex called:\n" );
- PaUtil_DebugPrint("\tPaHostApiIndex hostApi: %d\n", hostApi );
- PaUtil_DebugPrint("\tint hostApiDeviceIndex: %d\n", hostApiDeviceIndex );
-#endif
-
- if( !PA_IS_INITIALISED_ )
- {
- result = paNotInitialized;
- }
- else
- {
- if( hostApi < 0 || hostApi >= hostApisCount_ )
- {
- result = paInvalidHostApi;
- }
- else
- {
- if( hostApiDeviceIndex < 0 ||
- hostApiDeviceIndex >= hostApis_[hostApi]->info.deviceCount )
- {
- result = paInvalidDevice;
- }
- else
- {
- result = hostApis_[hostApi]->privatePaFrontInfo.baseDeviceIndex + hostApiDeviceIndex;
- }
- }
- }
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_HostApiDeviceIndexToPaDeviceIndex returned:\n" );
- if( result < 0 )
- PaUtil_DebugPrint("\tPaError: %d ( %s )\n\n", result, Pa_GetErrorText( result ) );
- else
- PaUtil_DebugPrint("\tPaDeviceIndex: %d\n\n", result );
-#endif
-
- return result;
-}
-
-
-PaDeviceIndex Pa_GetDeviceCount( void )
-{
- PaDeviceIndex result;
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_GetDeviceCount called.\n" );
-#endif
-
- if( !PA_IS_INITIALISED_ )
- {
- result = paNotInitialized;
- }
- else
- {
- result = deviceCount_;
- }
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_GetDeviceCount returned:\n" );
- if( result < 0 )
- PaUtil_DebugPrint("\tPaError: %d ( %s )\n\n", result, Pa_GetErrorText( result ) );
- else
- PaUtil_DebugPrint("\tPaDeviceIndex: %d\n\n", result );
-#endif
-
- return result;
-}
-
-
-PaDeviceIndex Pa_GetDefaultInputDevice( void )
-{
- PaHostApiIndex hostApi;
- PaDeviceIndex result;
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_GetDefaultInputDevice called.\n" );
-#endif
-
- hostApi = Pa_GetDefaultHostApi();
- if( hostApi < 0 )
- {
- result = paNoDevice;
- }
- else
- {
- result = hostApis_[hostApi]->info.defaultInputDevice;
- }
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_GetDefaultInputDevice returned:\n" );
- PaUtil_DebugPrint("\tPaDeviceIndex: %d\n\n", result );
-#endif
-
- return result;
-}
-
-
-PaDeviceIndex Pa_GetDefaultOutputDevice( void )
-{
- PaHostApiIndex hostApi;
- PaDeviceIndex result;
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_GetDefaultOutputDevice called.\n" );
-#endif
-
- hostApi = Pa_GetDefaultHostApi();
- if( hostApi < 0 )
- {
- result = paNoDevice;
- }
- else
- {
- result = hostApis_[hostApi]->info.defaultOutputDevice;
- }
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_GetDefaultOutputDevice returned:\n" );
- PaUtil_DebugPrint("\tPaDeviceIndex: %d\n\n", result );
-#endif
-
- return result;
-}
-
-
-const PaDeviceInfo* Pa_GetDeviceInfo( PaDeviceIndex device )
-{
- int hostSpecificDeviceIndex;
- int hostApiIndex = FindHostApi( device, &hostSpecificDeviceIndex );
- PaDeviceInfo *result;
-
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_GetDeviceInfo called:\n" );
- PaUtil_DebugPrint("\tPaDeviceIndex device: %d\n", device );
-#endif
-
- if( hostApiIndex < 0 )
- {
- result = NULL;
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_GetDeviceInfo returned:\n" );
- PaUtil_DebugPrint("\tPaDeviceInfo* NULL [ invalid device index ]\n\n" );
-#endif
-
- }
- else
- {
- result = hostApis_[hostApiIndex]->deviceInfos[ hostSpecificDeviceIndex ];
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_GetDeviceInfo returned:\n" );
- PaUtil_DebugPrint("\tPaDeviceInfo*: 0x%p:\n", result );
- PaUtil_DebugPrint("\t{\n" );
-
- PaUtil_DebugPrint("\t\tint structVersion: %d\n", result->structVersion );
- PaUtil_DebugPrint("\t\tconst char *name: %s\n", result->name );
- PaUtil_DebugPrint("\t\tPaHostApiIndex hostApi: %d\n", result->hostApi );
- PaUtil_DebugPrint("\t\tint maxInputChannels: %d\n", result->maxInputChannels );
- PaUtil_DebugPrint("\t\tint maxOutputChannels: %d\n", result->maxOutputChannels );
- PaUtil_DebugPrint("\t}\n\n" );
-#endif
-
- }
-
- return result;
-}
-
-
-/*
- SampleFormatIsValid() returns 1 if sampleFormat is a sample format
- defined in portaudio.h, or 0 otherwise.
-*/
-static int SampleFormatIsValid( PaSampleFormat format )
-{
- switch( format & ~paNonInterleaved )
- {
- case paFloat32: return 1;
- case paInt16: return 1;
- case paInt32: return 1;
- case paInt24: return 1;
- case paInt8: return 1;
- case paUInt8: return 1;
- case paCustomFormat: return 1;
- default: return 0;
- }
-}
-
-/*
- NOTE: make sure this validation list is kept syncronised with the one in
- pa_hostapi.h
-
- ValidateOpenStreamParameters() checks that parameters to Pa_OpenStream()
- conform to the expected values as described below. This function is
- also designed to be used with the proposed Pa_IsFormatSupported() function.
-
- There are basically two types of validation that could be performed:
- Generic conformance validation, and device capability mismatch
- validation. This function performs only generic conformance validation.
- Validation that would require knowledge of device capabilities is
- not performed because of potentially complex relationships between
- combinations of parameters - for example, even if the sampleRate
- seems ok, it might not be for a duplex stream - we have no way of
- checking this in an API-neutral way, so we don't try.
-
- On success the function returns PaNoError and fills in hostApi,
- hostApiInputDeviceID, and hostApiOutputDeviceID fields. On failure
- the function returns an error code indicating the first encountered
- parameter error.
-
-
- If ValidateOpenStreamParameters() returns paNoError, the following
- assertions are guaranteed to be true.
-
- - at least one of inputParameters & outputParmeters is valid (not NULL)
-
- - if inputParameters & outputParmeters are both valid, that
- inputParameters->device & outputParmeters->device both use the same host api
-
- PaDeviceIndex inputParameters->device
- - is within range (0 to Pa_GetDeviceCount-1) Or:
- - is paUseHostApiSpecificDeviceSpecification and
- inputParameters->hostApiSpecificStreamInfo is non-NULL and refers
- to a valid host api
-
- int inputParameters->channelCount
- - if inputParameters->device is not paUseHostApiSpecificDeviceSpecification, channelCount is > 0
- - upper bound is NOT validated against device capabilities
-
- PaSampleFormat inputParameters->sampleFormat
- - is one of the sample formats defined in portaudio.h
-
- void *inputParameters->hostApiSpecificStreamInfo
- - if supplied its hostApi field matches the input device's host Api
-
- PaDeviceIndex outputParmeters->device
- - is within range (0 to Pa_GetDeviceCount-1)
-
- int outputParmeters->channelCount
- - if inputDevice is valid, channelCount is > 0
- - upper bound is NOT validated against device capabilities
-
- PaSampleFormat outputParmeters->sampleFormat
- - is one of the sample formats defined in portaudio.h
-
- void *outputParmeters->hostApiSpecificStreamInfo
- - if supplied its hostApi field matches the output device's host Api
-
- double sampleRate
- - is not an 'absurd' rate (less than 1000. or greater than 200000.)
- - sampleRate is NOT validated against device capabilities
-
- PaStreamFlags streamFlags
- - unused platform neutral flags are zero
- - paNeverDropInput is only used for full-duplex callback streams with
- variable buffer size (paFramesPerBufferUnspecified)
-*/
-static PaError ValidateOpenStreamParameters(
- const PaStreamParameters *inputParameters,
- const PaStreamParameters *outputParameters,
- double sampleRate,
- unsigned long framesPerBuffer,
- PaStreamFlags streamFlags,
- PaStreamCallback *streamCallback,
- PaUtilHostApiRepresentation **hostApi,
- PaDeviceIndex *hostApiInputDevice,
- PaDeviceIndex *hostApiOutputDevice )
-{
- int inputHostApiIndex = -1, /* Surpress uninitialised var warnings: compiler does */
- outputHostApiIndex = -1; /* not see that if inputParameters and outputParame- */
- /* ters are both nonzero, these indices are set. */
-
- if( (inputParameters == NULL) && (outputParameters == NULL) )
- {
- return paInvalidDevice; /** @todo should be a new error code "invalid device parameters" or something */
- }
- else
- {
- if( inputParameters == NULL )
- {
- *hostApiInputDevice = paNoDevice;
- }
- else if( inputParameters->device == paUseHostApiSpecificDeviceSpecification )
- {
- if( inputParameters->hostApiSpecificStreamInfo )
- {
- inputHostApiIndex = Pa_HostApiTypeIdToHostApiIndex(
- ((PaUtilHostApiSpecificStreamInfoHeader*)inputParameters->hostApiSpecificStreamInfo)->hostApiType );
-
- if( inputHostApiIndex != -1 )
- {
- *hostApiInputDevice = paUseHostApiSpecificDeviceSpecification;
- *hostApi = hostApis_[inputHostApiIndex];
- }
- else
- {
- return paInvalidDevice;
- }
- }
- else
- {
- return paInvalidDevice;
- }
- }
- else
- {
- if( inputParameters->device < 0 || inputParameters->device >= deviceCount_ )
- return paInvalidDevice;
-
- inputHostApiIndex = FindHostApi( inputParameters->device, hostApiInputDevice );
- if( inputHostApiIndex < 0 )
- return paInternalError;
-
- *hostApi = hostApis_[inputHostApiIndex];
-
- if( inputParameters->channelCount <= 0 )
- return paInvalidChannelCount;
-
- if( !SampleFormatIsValid( inputParameters->sampleFormat ) )
- return paSampleFormatNotSupported;
-
- if( inputParameters->hostApiSpecificStreamInfo != NULL )
- {
- if( ((PaUtilHostApiSpecificStreamInfoHeader*)inputParameters->hostApiSpecificStreamInfo)->hostApiType
- != (*hostApi)->info.type )
- return paIncompatibleHostApiSpecificStreamInfo;
- }
- }
-
- if( outputParameters == NULL )
- {
- *hostApiOutputDevice = paNoDevice;
- }
- else if( outputParameters->device == paUseHostApiSpecificDeviceSpecification )
- {
- if( outputParameters->hostApiSpecificStreamInfo )
- {
- outputHostApiIndex = Pa_HostApiTypeIdToHostApiIndex(
- ((PaUtilHostApiSpecificStreamInfoHeader*)outputParameters->hostApiSpecificStreamInfo)->hostApiType );
-
- if( outputHostApiIndex != -1 )
- {
- *hostApiOutputDevice = paUseHostApiSpecificDeviceSpecification;
- *hostApi = hostApis_[outputHostApiIndex];
- }
- else
- {
- return paInvalidDevice;
- }
- }
- else
- {
- return paInvalidDevice;
- }
- }
- else
- {
- if( outputParameters->device < 0 || outputParameters->device >= deviceCount_ )
- return paInvalidDevice;
-
- outputHostApiIndex = FindHostApi( outputParameters->device, hostApiOutputDevice );
- if( outputHostApiIndex < 0 )
- return paInternalError;
-
- *hostApi = hostApis_[outputHostApiIndex];
-
- if( outputParameters->channelCount <= 0 )
- return paInvalidChannelCount;
-
- if( !SampleFormatIsValid( outputParameters->sampleFormat ) )
- return paSampleFormatNotSupported;
-
- if( outputParameters->hostApiSpecificStreamInfo != NULL )
- {
- if( ((PaUtilHostApiSpecificStreamInfoHeader*)outputParameters->hostApiSpecificStreamInfo)->hostApiType
- != (*hostApi)->info.type )
- return paIncompatibleHostApiSpecificStreamInfo;
- }
- }
-
- if( (inputParameters != NULL) && (outputParameters != NULL) )
- {
- /* ensure that both devices use the same API */
- if( inputHostApiIndex != outputHostApiIndex )
- return paBadIODeviceCombination;
- }
- }
-
-
- /* Check for absurd sample rates. */
- if( (sampleRate < 1000.0) || (sampleRate > 200000.0) )
- return paInvalidSampleRate;
-
- if( ((streamFlags & ~paPlatformSpecificFlags) & ~(paClipOff | paDitherOff | paNeverDropInput | paPrimeOutputBuffersUsingStreamCallback ) ) != 0 )
- return paInvalidFlag;
-
- if( streamFlags & paNeverDropInput )
- {
- /* must be a callback stream */
- if( !streamCallback )
- return paInvalidFlag;
-
- /* must be a full duplex stream */
- if( (inputParameters == NULL) || (outputParameters == NULL) )
- return paInvalidFlag;
-
- /* must use paFramesPerBufferUnspecified */
- if( framesPerBuffer != paFramesPerBufferUnspecified )
- return paInvalidFlag;
- }
-
- return paNoError;
-}
-
-
-PaError Pa_IsFormatSupported( const PaStreamParameters *inputParameters,
- const PaStreamParameters *outputParameters,
- double sampleRate )
-{
- PaError result;
- PaUtilHostApiRepresentation *hostApi;
- PaDeviceIndex hostApiInputDevice, hostApiOutputDevice;
- PaStreamParameters hostApiInputParameters, hostApiOutputParameters;
- PaStreamParameters *hostApiInputParametersPtr, *hostApiOutputParametersPtr;
-
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_IsFormatSupported called:\n" );
-
- if( inputParameters == NULL ){
- PaUtil_DebugPrint("\tPaStreamParameters *inputParameters: NULL\n" );
- }else{
- PaUtil_DebugPrint("\tPaStreamParameters *inputParameters: 0x%p\n", inputParameters );
- PaUtil_DebugPrint("\tPaDeviceIndex inputParameters->device: %d\n", inputParameters->device );
- PaUtil_DebugPrint("\tint inputParameters->channelCount: %d\n", inputParameters->channelCount );
- PaUtil_DebugPrint("\tPaSampleFormat inputParameters->sampleFormat: %d\n", inputParameters->sampleFormat );
- PaUtil_DebugPrint("\tPaTime inputParameters->suggestedLatency: %f\n", inputParameters->suggestedLatency );
- PaUtil_DebugPrint("\tvoid *inputParameters->hostApiSpecificStreamInfo: 0x%p\n", inputParameters->hostApiSpecificStreamInfo );
- }
-
- if( outputParameters == NULL ){
- PaUtil_DebugPrint("\tPaStreamParameters *outputParameters: NULL\n" );
- }else{
- PaUtil_DebugPrint("\tPaStreamParameters *outputParameters: 0x%p\n", outputParameters );
- PaUtil_DebugPrint("\tPaDeviceIndex outputParameters->device: %d\n", outputParameters->device );
- PaUtil_DebugPrint("\tint outputParameters->channelCount: %d\n", outputParameters->channelCount );
- PaUtil_DebugPrint("\tPaSampleFormat outputParameters->sampleFormat: %d\n", outputParameters->sampleFormat );
- PaUtil_DebugPrint("\tPaTime outputParameters->suggestedLatency: %f\n", outputParameters->suggestedLatency );
- PaUtil_DebugPrint("\tvoid *outputParameters->hostApiSpecificStreamInfo: 0x%p\n", outputParameters->hostApiSpecificStreamInfo );
- }
-
- PaUtil_DebugPrint("\tdouble sampleRate: %g\n", sampleRate );
-#endif
-
- if( !PA_IS_INITIALISED_ )
- {
- result = paNotInitialized;
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_IsFormatSupported returned:\n" );
- PaUtil_DebugPrint("\tPaError: %d ( %s )\n\n", result, Pa_GetErrorText( result ) );
-#endif
- return result;
- }
-
- result = ValidateOpenStreamParameters( inputParameters,
- outputParameters,
- sampleRate, 0, paNoFlag, 0,
- &hostApi,
- &hostApiInputDevice,
- &hostApiOutputDevice );
- if( result != paNoError )
- {
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_IsFormatSupported returned:\n" );
- PaUtil_DebugPrint("\tPaError: %d ( %s )\n\n", result, Pa_GetErrorText( result ) );
-#endif
- return result;
- }
-
-
- if( inputParameters )
- {
- hostApiInputParameters.device = hostApiInputDevice;
- hostApiInputParameters.channelCount = inputParameters->channelCount;
- hostApiInputParameters.sampleFormat = inputParameters->sampleFormat;
- hostApiInputParameters.suggestedLatency = inputParameters->suggestedLatency;
- hostApiInputParameters.hostApiSpecificStreamInfo = inputParameters->hostApiSpecificStreamInfo;
- hostApiInputParametersPtr = &hostApiInputParameters;
- }
- else
- {
- hostApiInputParametersPtr = NULL;
- }
-
- if( outputParameters )
- {
- hostApiOutputParameters.device = hostApiOutputDevice;
- hostApiOutputParameters.channelCount = outputParameters->channelCount;
- hostApiOutputParameters.sampleFormat = outputParameters->sampleFormat;
- hostApiOutputParameters.suggestedLatency = outputParameters->suggestedLatency;
- hostApiOutputParameters.hostApiSpecificStreamInfo = outputParameters->hostApiSpecificStreamInfo;
- hostApiOutputParametersPtr = &hostApiOutputParameters;
- }
- else
- {
- hostApiOutputParametersPtr = NULL;
- }
-
- result = hostApi->IsFormatSupported( hostApi,
- hostApiInputParametersPtr, hostApiOutputParametersPtr,
- sampleRate );
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_OpenStream returned:\n" );
- if( result == paFormatIsSupported )
- PaUtil_DebugPrint("\tPaError: 0 [ paFormatIsSupported ]\n\n" );
- else
- PaUtil_DebugPrint("\tPaError: %d ( %s )\n\n", result, Pa_GetErrorText( result ) );
-#endif
-
- return result;
-}
-
-
-PaError Pa_OpenStream( PaStream** stream,
- const PaStreamParameters *inputParameters,
- const PaStreamParameters *outputParameters,
- double sampleRate,
- unsigned long framesPerBuffer,
- PaStreamFlags streamFlags,
- PaStreamCallback *streamCallback,
- void *userData )
-{
- PaError result;
- PaUtilHostApiRepresentation *hostApi;
- PaDeviceIndex hostApiInputDevice, hostApiOutputDevice;
- PaStreamParameters hostApiInputParameters, hostApiOutputParameters;
- PaStreamParameters *hostApiInputParametersPtr, *hostApiOutputParametersPtr;
-
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_OpenStream called:\n" );
- PaUtil_DebugPrint("\tPaStream** stream: 0x%p\n", stream );
-
- if( inputParameters == NULL ){
- PaUtil_DebugPrint("\tPaStreamParameters *inputParameters: NULL\n" );
- }else{
- PaUtil_DebugPrint("\tPaStreamParameters *inputParameters: 0x%p\n", inputParameters );
- PaUtil_DebugPrint("\tPaDeviceIndex inputParameters->device: %d\n", inputParameters->device );
- PaUtil_DebugPrint("\tint inputParameters->channelCount: %d\n", inputParameters->channelCount );
- PaUtil_DebugPrint("\tPaSampleFormat inputParameters->sampleFormat: %d\n", inputParameters->sampleFormat );
- PaUtil_DebugPrint("\tPaTime inputParameters->suggestedLatency: %f\n", inputParameters->suggestedLatency );
- PaUtil_DebugPrint("\tvoid *inputParameters->hostApiSpecificStreamInfo: 0x%p\n", inputParameters->hostApiSpecificStreamInfo );
- }
-
- if( outputParameters == NULL ){
- PaUtil_DebugPrint("\tPaStreamParameters *outputParameters: NULL\n" );
- }else{
- PaUtil_DebugPrint("\tPaStreamParameters *outputParameters: 0x%p\n", outputParameters );
- PaUtil_DebugPrint("\tPaDeviceIndex outputParameters->device: %d\n", outputParameters->device );
- PaUtil_DebugPrint("\tint outputParameters->channelCount: %d\n", outputParameters->channelCount );
- PaUtil_DebugPrint("\tPaSampleFormat outputParameters->sampleFormat: %d\n", outputParameters->sampleFormat );
- PaUtil_DebugPrint("\tPaTime outputParameters->suggestedLatency: %f\n", outputParameters->suggestedLatency );
- PaUtil_DebugPrint("\tvoid *outputParameters->hostApiSpecificStreamInfo: 0x%p\n", outputParameters->hostApiSpecificStreamInfo );
- }
-
- PaUtil_DebugPrint("\tdouble sampleRate: %g\n", sampleRate );
- PaUtil_DebugPrint("\tunsigned long framesPerBuffer: %d\n", framesPerBuffer );
- PaUtil_DebugPrint("\tPaStreamFlags streamFlags: 0x%x\n", streamFlags );
- PaUtil_DebugPrint("\tPaStreamCallback *streamCallback: 0x%p\n", streamCallback );
- PaUtil_DebugPrint("\tvoid *userData: 0x%p\n", userData );
-#endif
-
- if( !PA_IS_INITIALISED_ )
- {
- result = paNotInitialized;
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_OpenStream returned:\n" );
- PaUtil_DebugPrint("\t*(PaStream** stream): undefined\n" );
- PaUtil_DebugPrint("\tPaError: %d ( %s )\n\n", result, Pa_GetErrorText( result ) );
-#endif
- return result;
- }
-
- /* Check for parameter errors.
- NOTE: make sure this validation list is kept syncronised with the one
- in pa_hostapi.h
- */
-
- if( stream == NULL )
- {
- result = paBadStreamPtr;
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_OpenStream returned:\n" );
- PaUtil_DebugPrint("\t*(PaStream** stream): undefined\n" );
- PaUtil_DebugPrint("\tPaError: %d ( %s )\n\n", result, Pa_GetErrorText( result ) );
-#endif
- return result;
- }
-
- result = ValidateOpenStreamParameters( inputParameters,
- outputParameters,
- sampleRate, framesPerBuffer,
- streamFlags, streamCallback,
- &hostApi,
- &hostApiInputDevice,
- &hostApiOutputDevice );
- if( result != paNoError )
- {
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_OpenStream returned:\n" );
- PaUtil_DebugPrint("\t*(PaStream** stream): undefined\n" );
- PaUtil_DebugPrint("\tPaError: %d ( %s )\n\n", result, Pa_GetErrorText( result ) );
-#endif
- return result;
- }
-
-
- if( inputParameters )
- {
- hostApiInputParameters.device = hostApiInputDevice;
- hostApiInputParameters.channelCount = inputParameters->channelCount;
- hostApiInputParameters.sampleFormat = inputParameters->sampleFormat;
- hostApiInputParameters.suggestedLatency = inputParameters->suggestedLatency;
- hostApiInputParameters.hostApiSpecificStreamInfo = inputParameters->hostApiSpecificStreamInfo;
- hostApiInputParametersPtr = &hostApiInputParameters;
- }
- else
- {
- hostApiInputParametersPtr = NULL;
- }
-
- if( outputParameters )
- {
- hostApiOutputParameters.device = hostApiOutputDevice;
- hostApiOutputParameters.channelCount = outputParameters->channelCount;
- hostApiOutputParameters.sampleFormat = outputParameters->sampleFormat;
- hostApiOutputParameters.suggestedLatency = outputParameters->suggestedLatency;
- hostApiOutputParameters.hostApiSpecificStreamInfo = outputParameters->hostApiSpecificStreamInfo;
- hostApiOutputParametersPtr = &hostApiOutputParameters;
- }
- else
- {
- hostApiOutputParametersPtr = NULL;
- }
-
- result = hostApi->OpenStream( hostApi, stream,
- hostApiInputParametersPtr, hostApiOutputParametersPtr,
- sampleRate, framesPerBuffer, streamFlags, streamCallback, userData );
-
- if( result == paNoError )
- AddOpenStream( *stream );
-
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_OpenStream returned:\n" );
- PaUtil_DebugPrint("\t*(PaStream** stream): 0x%p\n", *stream );
- PaUtil_DebugPrint("\tPaError: %d ( %s )\n\n", result, Pa_GetErrorText( result ) );
-#endif
-
- return result;
-}
-
-
-PaError Pa_OpenDefaultStream( PaStream** stream,
- int inputChannelCount,
- int outputChannelCount,
- PaSampleFormat sampleFormat,
- double sampleRate,
- unsigned long framesPerBuffer,
- PaStreamCallback *streamCallback,
- void *userData )
-{
- PaError result;
- PaStreamParameters hostApiInputParameters, hostApiOutputParameters;
- PaStreamParameters *hostApiInputParametersPtr, *hostApiOutputParametersPtr;
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_OpenDefaultStream called:\n" );
- PaUtil_DebugPrint("\tPaStream** stream: 0x%p\n", stream );
- PaUtil_DebugPrint("\tint inputChannelCount: %d\n", inputChannelCount );
- PaUtil_DebugPrint("\tint outputChannelCount: %d\n", outputChannelCount );
- PaUtil_DebugPrint("\tPaSampleFormat sampleFormat: %d\n", sampleFormat );
- PaUtil_DebugPrint("\tdouble sampleRate: %g\n", sampleRate );
- PaUtil_DebugPrint("\tunsigned long framesPerBuffer: %d\n", framesPerBuffer );
- PaUtil_DebugPrint("\tPaStreamCallback *streamCallback: 0x%p\n", streamCallback );
- PaUtil_DebugPrint("\tvoid *userData: 0x%p\n", userData );
-#endif
-
-
- if( inputChannelCount > 0 )
- {
- hostApiInputParameters.device = Pa_GetDefaultInputDevice();
- hostApiInputParameters.channelCount = inputChannelCount;
- hostApiInputParameters.sampleFormat = sampleFormat;
- /* defaultHighInputLatency is used below instead of
- defaultLowInputLatency because it is more important for the default
- stream to work reliably than it is for it to work with the lowest
- latency.
- */
- hostApiInputParameters.suggestedLatency =
- Pa_GetDeviceInfo( hostApiInputParameters.device )->defaultHighInputLatency;
- hostApiInputParameters.hostApiSpecificStreamInfo = NULL;
- hostApiInputParametersPtr = &hostApiInputParameters;
- }
- else
- {
- hostApiInputParametersPtr = NULL;
- }
-
- if( outputChannelCount > 0 )
- {
- hostApiOutputParameters.device = Pa_GetDefaultOutputDevice();
- hostApiOutputParameters.channelCount = outputChannelCount;
- hostApiOutputParameters.sampleFormat = sampleFormat;
- /* defaultHighOutputLatency is used below instead of
- defaultLowOutputLatency because it is more important for the default
- stream to work reliably than it is for it to work with the lowest
- latency.
- */
- hostApiOutputParameters.suggestedLatency =
- Pa_GetDeviceInfo( hostApiOutputParameters.device )->defaultHighOutputLatency;
- hostApiOutputParameters.hostApiSpecificStreamInfo = NULL;
- hostApiOutputParametersPtr = &hostApiOutputParameters;
- }
- else
- {
- hostApiOutputParametersPtr = NULL;
- }
-
-
- result = Pa_OpenStream(
- stream, hostApiInputParametersPtr, hostApiOutputParametersPtr,
- sampleRate, framesPerBuffer, paNoFlag, streamCallback, userData );
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_OpenDefaultStream returned:\n" );
- PaUtil_DebugPrint("\t*(PaStream** stream): 0x%p", *stream );
- PaUtil_DebugPrint("\tPaError: %d ( %s )\n\n", result, Pa_GetErrorText( result ) );
-#endif
-
- return result;
-}
-
-
-PaError PaUtil_ValidateStreamPointer( PaStream* stream )
-{
- if( !PA_IS_INITIALISED_ ) return paNotInitialized;
-
- if( stream == NULL ) return paBadStreamPtr;
-
- if( ((PaUtilStreamRepresentation*)stream)->magic != PA_STREAM_MAGIC )
- return paBadStreamPtr;
-
- return paNoError;
-}
-
-
-PaError Pa_CloseStream( PaStream* stream )
-{
- PaUtilStreamInterface *interface;
- PaError result = PaUtil_ValidateStreamPointer( stream );
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_CloseStream called:\n" );
- PaUtil_DebugPrint("\tPaStream* stream: 0x%p\n", stream );
-#endif
-
- /* always remove the open stream from our list, even if this function
- eventually returns an error. Otherwise CloseOpenStreams() will
- get stuck in an infinite loop */
- RemoveOpenStream( stream ); /* be sure to call this _before_ closing the stream */
-
- if( result == paNoError )
- {
- interface = PA_STREAM_INTERFACE(stream);
-
- /* abort the stream if it isn't stopped */
- result = interface->IsStopped( stream );
- if( result == 1 )
- result = paNoError;
- else if( result == 0 )
- result = interface->Abort( stream );
-
- if( result == paNoError ) /** @todo REVIEW: shouldn't we close anyway? */
- result = interface->Close( stream );
- }
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_CloseStream returned:\n" );
- PaUtil_DebugPrint("\tPaError: %d ( %s )\n\n", result, Pa_GetErrorText( result ) );
-#endif
-
- return result;
-}
-
-
-PaError Pa_SetStreamFinishedCallback( PaStream *stream, PaStreamFinishedCallback* streamFinishedCallback )
-{
- PaError result = PaUtil_ValidateStreamPointer( stream );
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_SetStreamFinishedCallback called:\n" );
- PaUtil_DebugPrint("\tPaStream* stream: 0x%p\n", stream );
- PaUtil_DebugPrint("\tPaStreamFinishedCallback* streamFinishedCallback: 0x%p\n", streamFinishedCallback );
-#endif
-
- if( result == paNoError )
- {
- result = PA_STREAM_INTERFACE(stream)->IsStopped( stream );
- if( result == 0 )
- {
- result = paStreamIsNotStopped ;
- }
- if( result == 1 )
- {
- PA_STREAM_REP( stream )->streamFinishedCallback = streamFinishedCallback;
- result = paNoError;
- }
- }
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_SetStreamFinishedCallback returned:\n" );
- PaUtil_DebugPrint("\tPaError: %d ( %s )\n\n", result, Pa_GetErrorText( result ) );
-#endif
-
- return result;
-
-}
-
-
-PaError Pa_StartStream( PaStream *stream )
-{
- PaError result = PaUtil_ValidateStreamPointer( stream );
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_StartStream called:\n" );
- PaUtil_DebugPrint("\tPaStream* stream: 0x%p\n", stream );
-#endif
-
- if( result == paNoError )
- {
- result = PA_STREAM_INTERFACE(stream)->IsStopped( stream );
- if( result == 0 )
- {
- result = paStreamIsNotStopped ;
- }
- else if( result == 1 )
- {
- result = PA_STREAM_INTERFACE(stream)->Start( stream );
- }
- }
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_StartStream returned:\n" );
- PaUtil_DebugPrint("\tPaError: %d ( %s )\n\n", result, Pa_GetErrorText( result ) );
-#endif
-
- return result;
-}
-
-
-PaError Pa_StopStream( PaStream *stream )
-{
- PaError result = PaUtil_ValidateStreamPointer( stream );
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_StopStream called\n" );
- PaUtil_DebugPrint("\tPaStream* stream: 0x%p\n", stream );
-#endif
-
- if( result == paNoError )
- {
- result = PA_STREAM_INTERFACE(stream)->IsStopped( stream );
- if( result == 0 )
- {
- result = PA_STREAM_INTERFACE(stream)->Stop( stream );
- }
- else if( result == 1 )
- {
- result = paStreamIsStopped;
- }
- }
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_StopStream returned:\n" );
- PaUtil_DebugPrint("\tPaError: %d ( %s )\n\n", result, Pa_GetErrorText( result ) );
-#endif
-
- return result;
-}
-
-
-PaError Pa_AbortStream( PaStream *stream )
-{
- PaError result = PaUtil_ValidateStreamPointer( stream );
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_AbortStream called:\n" );
- PaUtil_DebugPrint("\tPaStream* stream: 0x%p\n", stream );
-#endif
-
- if( result == paNoError )
- {
- result = PA_STREAM_INTERFACE(stream)->IsStopped( stream );
- if( result == 0 )
- {
- result = PA_STREAM_INTERFACE(stream)->Abort( stream );
- }
- else if( result == 1 )
- {
- result = paStreamIsStopped;
- }
- }
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_AbortStream returned:\n" );
- PaUtil_DebugPrint("\tPaError: %d ( %s )\n\n", result, Pa_GetErrorText( result ) );
-#endif
-
- return result;
-}
-
-
-PaError Pa_IsStreamStopped( PaStream *stream )
-{
- PaError result = PaUtil_ValidateStreamPointer( stream );
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_IsStreamStopped called:\n" );
- PaUtil_DebugPrint("\tPaStream* stream: 0x%p\n", stream );
-#endif
-
- if( result == paNoError )
- result = PA_STREAM_INTERFACE(stream)->IsStopped( stream );
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_IsStreamStopped returned:\n" );
- PaUtil_DebugPrint("\tPaError: %d ( %s )\n\n", result, Pa_GetErrorText( result ) );
-#endif
-
- return result;
-}
-
-
-PaError Pa_IsStreamActive( PaStream *stream )
-{
- PaError result = PaUtil_ValidateStreamPointer( stream );
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_IsStreamActive called:\n" );
- PaUtil_DebugPrint("\tPaStream* stream: 0x%p\n", stream );
-#endif
-
- if( result == paNoError )
- result = PA_STREAM_INTERFACE(stream)->IsActive( stream );
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_IsStreamActive returned:\n" );
- PaUtil_DebugPrint("\tPaError: %d ( %s )\n\n", result, Pa_GetErrorText( result ) );
-#endif
-
- return result;
-}
-
-
-const PaStreamInfo* Pa_GetStreamInfo( PaStream *stream )
-{
- PaError error = PaUtil_ValidateStreamPointer( stream );
- const PaStreamInfo *result;
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_GetStreamInfo called:\n" );
- PaUtil_DebugPrint("\tPaStream* stream: 0x%p\n", stream );
-#endif
-
- if( error != paNoError )
- {
- result = 0;
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_GetStreamInfo returned:\n" );
- PaUtil_DebugPrint("\tconst PaStreamInfo*: 0 [PaError error:%d ( %s )]\n\n", result, error, Pa_GetErrorText( error ) );
-#endif
-
- }
- else
- {
- result = &PA_STREAM_REP( stream )->streamInfo;
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_GetStreamInfo returned:\n" );
- PaUtil_DebugPrint("\tconst PaStreamInfo*: 0x%p:\n", result );
- PaUtil_DebugPrint("\t{" );
-
- PaUtil_DebugPrint("\t\tint structVersion: %d\n", result->structVersion );
- PaUtil_DebugPrint("\t\tPaTime inputLatency: %f\n", result->inputLatency );
- PaUtil_DebugPrint("\t\tPaTime outputLatency: %f\n", result->outputLatency );
- PaUtil_DebugPrint("\t\tdouble sampleRate: %f\n", result->sampleRate );
- PaUtil_DebugPrint("\t}\n\n" );
-#endif
-
- }
-
- return result;
-}
-
-
-PaTime Pa_GetStreamTime( PaStream *stream )
-{
- PaError error = PaUtil_ValidateStreamPointer( stream );
- PaTime result;
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_GetStreamTime called:\n" );
- PaUtil_DebugPrint("\tPaStream* stream: 0x%p\n", stream );
-#endif
-
- if( error != paNoError )
- {
- result = 0;
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_GetStreamTime returned:\n" );
- PaUtil_DebugPrint("\tPaTime: 0 [PaError error:%d ( %s )]\n\n", result, error, Pa_GetErrorText( error ) );
-#endif
-
- }
- else
- {
- result = PA_STREAM_INTERFACE(stream)->GetTime( stream );
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_GetStreamTime returned:\n" );
- PaUtil_DebugPrint("\tPaTime: %g\n\n", result );
-#endif
-
- }
-
- return result;
-}
-
-
-double Pa_GetStreamCpuLoad( PaStream* stream )
-{
- PaError error = PaUtil_ValidateStreamPointer( stream );
- double result;
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_GetStreamCpuLoad called:\n" );
- PaUtil_DebugPrint("\tPaStream* stream: 0x%p\n", stream );
-#endif
-
- if( error != paNoError )
- {
-
- result = 0.0;
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_GetStreamCpuLoad returned:\n" );
- PaUtil_DebugPrint("\tdouble: 0.0 [PaError error: %d ( %s )]\n\n", error, Pa_GetErrorText( error ) );
-#endif
-
- }
- else
- {
- result = PA_STREAM_INTERFACE(stream)->GetCpuLoad( stream );
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_GetStreamCpuLoad returned:\n" );
- PaUtil_DebugPrint("\tdouble: %g\n\n", result );
-#endif
-
- }
-
- return result;
-}
-
-
-PaError Pa_ReadStream( PaStream* stream,
- void *buffer,
- unsigned long frames )
-{
- PaError result = PaUtil_ValidateStreamPointer( stream );
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_ReadStream called:\n" );
- PaUtil_DebugPrint("\tPaStream* stream: 0x%p\n", stream );
-#endif
-
- if( result == paNoError )
- {
- if( frames == 0 )
- {
- result = paInternalError; /** @todo should return a different error code */
- }
- else if( buffer == 0 )
- {
- result = paInternalError; /** @todo should return a different error code */
- }
- else
- {
- result = PA_STREAM_INTERFACE(stream)->IsStopped( stream );
- if( result == 0 )
- {
- result = PA_STREAM_INTERFACE(stream)->Read( stream, buffer, frames );
- }
- else if( result == 1 )
- {
- result = paStreamIsStopped;
- }
- }
- }
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_ReadStream returned:\n" );
- PaUtil_DebugPrint("\tPaError: %d ( %s )\n\n", result, Pa_GetErrorText( result ) );
-#endif
-
- return result;
-}
-
-
-PaError Pa_WriteStream( PaStream* stream,
- const void *buffer,
- unsigned long frames )
-{
- PaError result = PaUtil_ValidateStreamPointer( stream );
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_WriteStream called:\n" );
- PaUtil_DebugPrint("\tPaStream* stream: 0x%p\n", stream );
-#endif
-
- if( result == paNoError )
- {
- if( frames == 0 )
- {
- result = paInternalError; /** @todo should return a different error code */
- }
- else if( buffer == 0 )
- {
- result = paInternalError; /** @todo should return a different error code */
- }
- else
- {
- result = PA_STREAM_INTERFACE(stream)->IsStopped( stream );
- if( result == 0 )
- {
- result = PA_STREAM_INTERFACE(stream)->Write( stream, buffer, frames );
- }
- else if( result == 1 )
- {
- result = paStreamIsStopped;
- }
- }
- }
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_WriteStream returned:\n" );
- PaUtil_DebugPrint("\tPaError: %d ( %s )\n\n", result, Pa_GetErrorText( result ) );
-#endif
-
- return result;
-}
-
-signed long Pa_GetStreamReadAvailable( PaStream* stream )
-{
- PaError error = PaUtil_ValidateStreamPointer( stream );
- signed long result;
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_GetStreamReadAvailable called:\n" );
- PaUtil_DebugPrint("\tPaStream* stream: 0x%p\n", stream );
-#endif
-
- if( error != paNoError )
- {
- result = 0;
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_GetStreamReadAvailable returned:\n" );
- PaUtil_DebugPrint("\tunsigned long: 0 [ PaError error: %d ( %s ) ]\n\n", error, Pa_GetErrorText( error ) );
-#endif
-
- }
- else
- {
- result = PA_STREAM_INTERFACE(stream)->GetReadAvailable( stream );
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_GetStreamReadAvailable returned:\n" );
- PaUtil_DebugPrint("\tPaError: %d ( %s )\n\n", result, Pa_GetErrorText( result ) );
-#endif
-
- }
-
- return result;
-}
-
-
-signed long Pa_GetStreamWriteAvailable( PaStream* stream )
-{
- PaError error = PaUtil_ValidateStreamPointer( stream );
- signed long result;
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_GetStreamWriteAvailable called:\n" );
- PaUtil_DebugPrint("\tPaStream* stream: 0x%p\n", stream );
-#endif
-
- if( error != paNoError )
- {
- result = 0;
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_GetStreamWriteAvailable returned:\n" );
- PaUtil_DebugPrint("\tunsigned long: 0 [ PaError error: %d ( %s ) ]\n\n", error, Pa_GetErrorText( error ) );
-#endif
-
- }
- else
- {
- result = PA_STREAM_INTERFACE(stream)->GetWriteAvailable( stream );
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_GetStreamWriteAvailable returned:\n" );
- PaUtil_DebugPrint("\tPaError: %d ( %s )\n\n", result, Pa_GetErrorText( result ) );
-#endif
-
- }
-
- return result;
-}
-
-
-PaError Pa_GetSampleSize( PaSampleFormat format )
-{
- int result;
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_GetSampleSize called:\n" );
- PaUtil_DebugPrint("\tPaSampleFormat format: %d\n", format );
-#endif
-
- switch( format & ~paNonInterleaved )
- {
-
- case paUInt8:
- case paInt8:
- result = 1;
- break;
-
- case paInt16:
- result = 2;
- break;
-
- case paInt24:
- result = 3;
- break;
-
- case paFloat32:
- case paInt32:
- result = 4;
- break;
-
- default:
- result = paSampleFormatNotSupported;
- break;
- }
-
-#ifdef PA_LOG_API_CALLS
- PaUtil_DebugPrint("Pa_GetSampleSize returned:\n" );
- if( result > 0 )
- PaUtil_DebugPrint("\tint: %d\n\n", result );
- else
- PaUtil_DebugPrint("\tPaError: %d ( %s )\n\n", result, Pa_GetErrorText( result ) );
-#endif
-
- return (PaError) result;
-}
-
diff --git a/src/audio/portaudio/pa_common/pa_hostapi.h b/src/audio/portaudio/pa_common/pa_hostapi.h
deleted file mode 100644
index fec4e4871b..0000000000
--- a/src/audio/portaudio/pa_common/pa_hostapi.h
+++ /dev/null
@@ -1,244 +0,0 @@
-#ifndef PA_HOSTAPI_H
-#define PA_HOSTAPI_H
-/*
- * $Id$
- * Portable Audio I/O Library
- * host api representation
- *
- * Based on the Open Source API proposed by Ross Bencina
- * Copyright (c) 1999-2002 Ross Bencina, Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/** @file
- @brief Interface used by pa_front to virtualize functions which operate on
- host APIs.
-*/
-
-
-#include "portaudio.h"
-
-#ifdef __cplusplus
-extern "C"
-{
-#endif /* __cplusplus */
-
-
-/** **FOR THE USE OF pa_front.c ONLY**
- Do NOT use fields in this structure, they my change at any time.
- Use functions defined in pa_util.h if you think you need functionality
- which can be derived from here.
-*/
-typedef struct PaUtilPrivatePaFrontHostApiInfo {
-
-
- unsigned long baseDeviceIndex;
-}PaUtilPrivatePaFrontHostApiInfo;
-
-
-/** The common header for all data structures whose pointers are passed through
- the hostApiSpecificStreamInfo field of the PaStreamParameters structure.
- Note that in order to keep the public PortAudio interface clean, this structure
- is not used explicitly when declaring hostApiSpecificStreamInfo data structures.
- However, some code in pa_front depends on the first 3 members being equivalent
- with this structure.
- @see PaStreamParameters
-*/
-typedef struct PaUtilHostApiSpecificStreamInfoHeader
-{
- unsigned long size; /**< size of whole structure including this header */
- PaHostApiTypeId hostApiType; /**< host API for which this data is intended */
- unsigned long version; /**< structure version */
-} PaUtilHostApiSpecificStreamInfoHeader;
-
-
-
-/** A structure representing the interface to a host API. Contains both
- concrete data and pointers to functions which implement the interface.
-*/
-typedef struct PaUtilHostApiRepresentation {
- PaUtilPrivatePaFrontHostApiInfo privatePaFrontInfo;
-
- /** The host api implementation should populate the info field. In the
- case of info.defaultInputDevice and info.defaultOutputDevice the
- values stored should be 0 based indices within the host api's own
- device index range (0 to deviceCount). These values will be converted
- to global device indices by pa_front after PaUtilHostApiInitializer()
- returns.
- */
- PaHostApiInfo info;
-
- PaDeviceInfo** deviceInfos;
-
- /**
- (*Terminate)() is guaranteed to be called with a valid <hostApi>
- parameter, which was previously returned from the same implementation's
- initializer.
- */
- void (*Terminate)( struct PaUtilHostApiRepresentation *hostApi );
-
- /**
- The inputParameters and outputParameters pointers should not be saved
- as they will not remain valid after OpenStream is called.
-
-
- The following guarantees are made about parameters to (*OpenStream)():
-
- [NOTE: the following list up to *END PA FRONT VALIDATIONS* should be
- kept in sync with the one for ValidateOpenStreamParameters and
- Pa_OpenStream in pa_front.c]
-
- PaHostApiRepresentation *hostApi
- - is valid for this implementation
-
- PaStream** stream
- - is non-null
-
- - at least one of inputParameters & outputParmeters is valid (not NULL)
-
- - if inputParameters & outputParmeters are both valid, that
- inputParameters->device & outputParmeters->device both use the same host api
-
- PaDeviceIndex inputParameters->device
- - is within range (0 to Pa_CountDevices-1) Or:
- - is paUseHostApiSpecificDeviceSpecification and
- inputParameters->hostApiSpecificStreamInfo is non-NULL and refers
- to a valid host api
-
- int inputParameters->numChannels
- - if inputParameters->device is not paUseHostApiSpecificDeviceSpecification, numInputChannels is > 0
- - upper bound is NOT validated against device capabilities
-
- PaSampleFormat inputParameters->sampleFormat
- - is one of the sample formats defined in portaudio.h
-
- void *inputParameters->hostApiSpecificStreamInfo
- - if supplied its hostApi field matches the input device's host Api
-
- PaDeviceIndex outputParmeters->device
- - is within range (0 to Pa_CountDevices-1)
-
- int outputParmeters->numChannels
- - if inputDevice is valid, numInputChannels is > 0
- - upper bound is NOT validated against device capabilities
-
- PaSampleFormat outputParmeters->sampleFormat
- - is one of the sample formats defined in portaudio.h
-
- void *outputParmeters->hostApiSpecificStreamInfo
- - if supplied its hostApi field matches the output device's host Api
-
- double sampleRate
- - is not an 'absurd' rate (less than 1000. or greater than 200000.)
- - sampleRate is NOT validated against device capabilities
-
- PaStreamFlags streamFlags
- - unused platform neutral flags are zero
- - paNeverDropInput is only used for full-duplex callback streams
- with variable buffer size (paFramesPerBufferUnspecified)
-
- [*END PA FRONT VALIDATIONS*]
-
-
- The following validations MUST be performed by (*OpenStream)():
-
- - check that input device can support numInputChannels
-
- - check that input device can support inputSampleFormat, or that
- we have the capability to convert from outputSampleFormat to
- a native format
-
- - if inputStreamInfo is supplied, validate its contents,
- or return an error if no inputStreamInfo is expected
-
- - check that output device can support numOutputChannels
-
- - check that output device can support outputSampleFormat, or that
- we have the capability to convert from outputSampleFormat to
- a native format
-
- - if outputStreamInfo is supplied, validate its contents,
- or return an error if no outputStreamInfo is expected
-
- - if a full duplex stream is requested, check that the combination
- of input and output parameters is supported
-
- - check that the device supports sampleRate
-
- - alter sampleRate to a close allowable rate if necessary
-
- - validate inputLatency and outputLatency
-
- - validate any platform specific flags, if flags are supplied they
- must be valid.
- */
- PaError (*OpenStream)( struct PaUtilHostApiRepresentation *hostApi,
- PaStream** stream,
- const PaStreamParameters *inputParameters,
- const PaStreamParameters *outputParameters,
- double sampleRate,
- unsigned long framesPerCallback,
- PaStreamFlags streamFlags,
- PaStreamCallback *streamCallback,
- void *userData );
-
-
- PaError (*IsFormatSupported)( struct PaUtilHostApiRepresentation *hostApi,
- const PaStreamParameters *inputParameters,
- const PaStreamParameters *outputParameters,
- double sampleRate );
-} PaUtilHostApiRepresentation;
-
-
-/** Prototype for the initialization function which must be implemented by every
- host API.
-
- @see paHostApiInitializers
-*/
-typedef PaError PaUtilHostApiInitializer( PaUtilHostApiRepresentation**, PaHostApiIndex );
-
-
-/** paHostApiInitializers is a NULL-terminated array of host API initialization
- functions. These functions are called by pa_front to initialize the host APIs
- when the client calls Pa_Initialize().
-
- There is a platform specific file which defines paHostApiInitializers for that
- platform, pa_win/pa_win_hostapis.c contains the Win32 definitions for example.
-*/
-extern PaUtilHostApiInitializer *paHostApiInitializers[];
-
-
-/** The index of the default host API in the paHostApiInitializers array.
-
- There is a platform specific file which defines paDefaultHostApiIndex for that
- platform, see pa_win/pa_win_hostapis.c for example.
-*/
-extern int paDefaultHostApiIndex;
-
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
-#endif /* PA_HOSTAPI_H */
diff --git a/src/audio/portaudio/pa_common/pa_process.c b/src/audio/portaudio/pa_common/pa_process.c
deleted file mode 100644
index b58b5d791d..0000000000
--- a/src/audio/portaudio/pa_common/pa_process.c
+++ /dev/null
@@ -1,1756 +0,0 @@
-/*
- * $Id$
- * Portable Audio I/O Library
- * streamCallback <-> host buffer processing adapter
- *
- * Based on the Open Source API proposed by Ross Bencina
- * Copyright (c) 1999-2002 Ross Bencina, Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/** @file
- @brief Buffer Processor implementation.
-
- The code in this file is not optimised yet - although it's not clear that
- it needs to be. there may appear to be redundancies
- that could be factored into common functions, but the redundanceis are left
- intentionally as each appearance may have different optimisation possibilities.
-
- The optimisations which are planned involve only converting data in-place
- where possible, rather than copying to the temp buffer(s).
-
- Note that in the extreme case of being able to convert in-place, and there
- being no conversion necessary there should be some code which short-circuits
- the operation.
-
- @todo Consider cache tilings for intereave<->deinterleave.
-
- @todo implement timeInfo->currentTime int PaUtil_BeginBufferProcessing()
-
- @todo specify and implement some kind of logical policy for handling the
- underflow and overflow stream flags when the underflow/overflow overlaps
- multiple user buffers/callbacks.
-
- @todo provide support for priming the buffers with data from the callback.
- The client interface is now implemented through PaUtil_SetNoInput()
- which sets bp->hostInputChannels[0][0].data to zero. However this is
- currently only implemented in NonAdaptingProcess(). It shouldn't be
- needed for AdaptingInputOnlyProcess() (no priming should ever be
- requested for AdaptingInputOnlyProcess()).
- Not sure if additional work should be required to make it work with
- AdaptingOutputOnlyProcess, but it definitely is required for
- AdaptingProcess.
-
- @todo implement PaUtil_SetNoOutput for AdaptingProcess
-
- @todo don't allocate temp buffers for blocking streams unless they are
- needed. At the moment they are needed, but perhaps for host APIs
- where the implementation passes a buffer to the host they could be
- used.
-*/
-
-
-#include <assert.h>
-#include <string.h> /* memset() */
-
-#include "pa_process.h"
-#include "pa_util.h"
-
-
-#define PA_FRAMES_PER_TEMP_BUFFER_WHEN_HOST_BUFFER_SIZE_IS_UNKNOWN_ 1024
-
-#define PA_MIN_( a, b ) ( ((a)<(b)) ? (a) : (b) )
-
-
-/* greatest common divisor - PGCD in French */
-static unsigned long GCD( unsigned long a, unsigned long b )
-{
- return (b==0) ? a : GCD( b, a%b);
-}
-
-/* least common multiple - PPCM in French */
-static unsigned long LCM( unsigned long a, unsigned long b )
-{
- return (a*b) / GCD(a,b);
-}
-
-#define PA_MAX_( a, b ) (((a) > (b)) ? (a) : (b))
-
-static unsigned long CalculateFrameShift( unsigned long M, unsigned long N )
-{
- unsigned long result = 0;
- unsigned long i;
- unsigned long lcm;
-
- assert( M > 0 );
- assert( N > 0 );
-
- lcm = LCM( M, N );
- for( i = M; i < lcm; i += M )
- result = PA_MAX_( result, i % N );
-
- return result;
-}
-
-
-PaError PaUtil_InitializeBufferProcessor( PaUtilBufferProcessor* bp,
- int inputChannelCount, PaSampleFormat userInputSampleFormat,
- PaSampleFormat hostInputSampleFormat,
- int outputChannelCount, PaSampleFormat userOutputSampleFormat,
- PaSampleFormat hostOutputSampleFormat,
- double sampleRate,
- PaStreamFlags streamFlags,
- unsigned long framesPerUserBuffer,
- unsigned long framesPerHostBuffer,
- PaUtilHostBufferSizeMode hostBufferSizeMode,
- PaStreamCallback *streamCallback, void *userData )
-{
- PaError result = paNoError;
- PaError bytesPerSample;
- unsigned long tempInputBufferSize, tempOutputBufferSize;
-
- /* initialize buffer ptrs to zero so they can be freed if necessary in error */
- bp->tempInputBuffer = 0;
- bp->tempInputBufferPtrs = 0;
- bp->tempOutputBuffer = 0;
- bp->tempOutputBufferPtrs = 0;
-
- bp->framesPerUserBuffer = framesPerUserBuffer;
- bp->framesPerHostBuffer = framesPerHostBuffer;
-
- bp->inputChannelCount = inputChannelCount;
- bp->outputChannelCount = outputChannelCount;
-
- bp->hostBufferSizeMode = hostBufferSizeMode;
-
- bp->hostInputChannels[0] = bp->hostInputChannels[1] = 0;
- bp->hostOutputChannels[0] = bp->hostOutputChannels[1] = 0;
-
- if( framesPerUserBuffer == 0 ) /* streamCallback will accept any buffer size */
- {
- bp->useNonAdaptingProcess = 1;
- bp->initialFramesInTempInputBuffer = 0;
- bp->initialFramesInTempOutputBuffer = 0;
-
- if( hostBufferSizeMode == paUtilFixedHostBufferSize
- || hostBufferSizeMode == paUtilBoundedHostBufferSize )
- {
- bp->framesPerTempBuffer = framesPerHostBuffer;
- }
- else /* unknown host buffer size */
- {
- bp->framesPerTempBuffer = PA_FRAMES_PER_TEMP_BUFFER_WHEN_HOST_BUFFER_SIZE_IS_UNKNOWN_;
- }
- }
- else
- {
- bp->framesPerTempBuffer = framesPerUserBuffer;
-
- if( hostBufferSizeMode == paUtilFixedHostBufferSize
- && framesPerHostBuffer % framesPerUserBuffer == 0 )
- {
- bp->useNonAdaptingProcess = 1;
- bp->initialFramesInTempInputBuffer = 0;
- bp->initialFramesInTempOutputBuffer = 0;
- }
- else
- {
- bp->useNonAdaptingProcess = 0;
-
- if( inputChannelCount > 0 && outputChannelCount > 0 )
- {
- /* full duplex */
- if( hostBufferSizeMode == paUtilFixedHostBufferSize )
- {
- unsigned long frameShift =
- CalculateFrameShift( framesPerHostBuffer, framesPerUserBuffer );
-
- if( framesPerUserBuffer > framesPerHostBuffer )
- {
- bp->initialFramesInTempInputBuffer = frameShift;
- bp->initialFramesInTempOutputBuffer = 0;
- }
- else
- {
- bp->initialFramesInTempInputBuffer = 0;
- bp->initialFramesInTempOutputBuffer = frameShift;
- }
- }
- else /* variable host buffer size, add framesPerUserBuffer latency */
- {
- bp->initialFramesInTempInputBuffer = 0;
- bp->initialFramesInTempOutputBuffer = framesPerUserBuffer;
- }
- }
- else
- {
- /* half duplex */
- bp->initialFramesInTempInputBuffer = 0;
- bp->initialFramesInTempOutputBuffer = 0;
- }
- }
- }
-
-
- bp->framesInTempInputBuffer = bp->initialFramesInTempInputBuffer;
- bp->framesInTempOutputBuffer = bp->initialFramesInTempOutputBuffer;
-
-
- if( inputChannelCount > 0 )
- {
- bytesPerSample = Pa_GetSampleSize( hostInputSampleFormat );
- if( bytesPerSample > 0 )
- {
- bp->bytesPerHostInputSample = bytesPerSample;
- }
- else
- {
- result = bytesPerSample;
- goto error;
- }
-
- bytesPerSample = Pa_GetSampleSize( userInputSampleFormat );
- if( bytesPerSample > 0 )
- {
- bp->bytesPerUserInputSample = bytesPerSample;
- }
- else
- {
- result = bytesPerSample;
- goto error;
- }
-
- bp->inputConverter =
- PaUtil_SelectConverter( hostInputSampleFormat, userInputSampleFormat, streamFlags );
-
- bp->inputZeroer = PaUtil_SelectZeroer( hostInputSampleFormat );
-
- bp->userInputIsInterleaved = (userInputSampleFormat & paNonInterleaved)?0:1;
-
-
- tempInputBufferSize =
- bp->framesPerTempBuffer * bp->bytesPerUserInputSample * inputChannelCount;
-
- bp->tempInputBuffer = PaUtil_AllocateMemory( tempInputBufferSize );
- if( bp->tempInputBuffer == 0 )
- {
- result = paInsufficientMemory;
- goto error;
- }
-
- if( bp->framesInTempInputBuffer > 0 )
- memset( bp->tempInputBuffer, 0, tempInputBufferSize );
-
- if( userInputSampleFormat & paNonInterleaved )
- {
- bp->tempInputBufferPtrs =
- (void **)PaUtil_AllocateMemory( sizeof(void*)*inputChannelCount );
- if( bp->tempInputBufferPtrs == 0 )
- {
- result = paInsufficientMemory;
- goto error;
- }
- }
-
- bp->hostInputChannels[0] = (PaUtilChannelDescriptor*)
- PaUtil_AllocateMemory( sizeof(PaUtilChannelDescriptor) * inputChannelCount * 2);
- if( bp->hostInputChannels[0] == 0 )
- {
- result = paInsufficientMemory;
- goto error;
- }
-
- bp->hostInputChannels[1] = &bp->hostInputChannels[0][inputChannelCount];
- }
-
- if( outputChannelCount > 0 )
- {
- bytesPerSample = Pa_GetSampleSize( hostOutputSampleFormat );
- if( bytesPerSample > 0 )
- {
- bp->bytesPerHostOutputSample = bytesPerSample;
- }
- else
- {
- result = bytesPerSample;
- goto error;
- }
-
- bytesPerSample = Pa_GetSampleSize( userOutputSampleFormat );
- if( bytesPerSample > 0 )
- {
- bp->bytesPerUserOutputSample = bytesPerSample;
- }
- else
- {
- result = bytesPerSample;
- goto error;
- }
-
- bp->outputConverter =
- PaUtil_SelectConverter( userOutputSampleFormat, hostOutputSampleFormat, streamFlags );
-
- bp->outputZeroer = PaUtil_SelectZeroer( hostOutputSampleFormat );
-
- bp->userOutputIsInterleaved = (userOutputSampleFormat & paNonInterleaved)?0:1;
-
- tempOutputBufferSize =
- bp->framesPerTempBuffer * bp->bytesPerUserOutputSample * outputChannelCount;
-
- bp->tempOutputBuffer = PaUtil_AllocateMemory( tempOutputBufferSize );
- if( bp->tempOutputBuffer == 0 )
- {
- result = paInsufficientMemory;
- goto error;
- }
-
- if( bp->framesInTempOutputBuffer > 0 )
- memset( bp->tempOutputBuffer, 0, tempOutputBufferSize );
-
- if( userOutputSampleFormat & paNonInterleaved )
- {
- bp->tempOutputBufferPtrs =
- (void **)PaUtil_AllocateMemory( sizeof(void*)*outputChannelCount );
- if( bp->tempOutputBufferPtrs == 0 )
- {
- result = paInsufficientMemory;
- goto error;
- }
- }
-
- bp->hostOutputChannels[0] = (PaUtilChannelDescriptor*)
- PaUtil_AllocateMemory( sizeof(PaUtilChannelDescriptor)*outputChannelCount * 2 );
- if( bp->hostOutputChannels[0] == 0 )
- {
- result = paInsufficientMemory;
- goto error;
- }
-
- bp->hostOutputChannels[1] = &bp->hostOutputChannels[0][outputChannelCount];
- }
-
- PaUtil_InitializeTriangularDitherState( &bp->ditherGenerator );
-
- bp->samplePeriod = 1. / sampleRate;
-
- bp->streamCallback = streamCallback;
- bp->userData = userData;
-
- return result;
-
-error:
- if( bp->tempInputBuffer )
- PaUtil_FreeMemory( bp->tempInputBuffer );
-
- if( bp->tempInputBufferPtrs )
- PaUtil_FreeMemory( bp->tempInputBufferPtrs );
-
- if( bp->hostInputChannels[0] )
- PaUtil_FreeMemory( bp->hostInputChannels[0] );
-
- if( bp->tempOutputBuffer )
- PaUtil_FreeMemory( bp->tempOutputBuffer );
-
- if( bp->tempOutputBufferPtrs )
- PaUtil_FreeMemory( bp->tempOutputBufferPtrs );
-
- if( bp->hostOutputChannels[0] )
- PaUtil_FreeMemory( bp->hostOutputChannels[0] );
-
- return result;
-}
-
-
-void PaUtil_TerminateBufferProcessor( PaUtilBufferProcessor* bp )
-{
- if( bp->tempInputBuffer )
- PaUtil_FreeMemory( bp->tempInputBuffer );
-
- if( bp->tempInputBufferPtrs )
- PaUtil_FreeMemory( bp->tempInputBufferPtrs );
-
- if( bp->hostInputChannels[0] )
- PaUtil_FreeMemory( bp->hostInputChannels[0] );
-
- if( bp->tempOutputBuffer )
- PaUtil_FreeMemory( bp->tempOutputBuffer );
-
- if( bp->tempOutputBufferPtrs )
- PaUtil_FreeMemory( bp->tempOutputBufferPtrs );
-
- if( bp->hostOutputChannels[0] )
- PaUtil_FreeMemory( bp->hostOutputChannels[0] );
-}
-
-
-void PaUtil_ResetBufferProcessor( PaUtilBufferProcessor* bp )
-{
- unsigned long tempInputBufferSize, tempOutputBufferSize;
-
- bp->framesInTempInputBuffer = bp->initialFramesInTempInputBuffer;
- bp->framesInTempOutputBuffer = bp->initialFramesInTempOutputBuffer;
-
- if( bp->framesInTempInputBuffer > 0 )
- {
- tempInputBufferSize =
- bp->framesPerTempBuffer * bp->bytesPerUserInputSample * bp->inputChannelCount;
- memset( bp->tempInputBuffer, 0, tempInputBufferSize );
- }
-
- if( bp->framesInTempOutputBuffer > 0 )
- {
- tempOutputBufferSize =
- bp->framesPerTempBuffer * bp->bytesPerUserOutputSample * bp->outputChannelCount;
- memset( bp->tempOutputBuffer, 0, tempOutputBufferSize );
- }
-}
-
-
-unsigned long PaUtil_GetBufferProcessorInputLatency( PaUtilBufferProcessor* bp )
-{
- return bp->initialFramesInTempInputBuffer;
-}
-
-
-unsigned long PaUtil_GetBufferProcessorOutputLatency( PaUtilBufferProcessor* bp )
-{
- return bp->initialFramesInTempOutputBuffer;
-}
-
-
-void PaUtil_SetInputFrameCount( PaUtilBufferProcessor* bp,
- unsigned long frameCount )
-{
- if( frameCount == 0 )
- bp->hostInputFrameCount[0] = bp->framesPerHostBuffer;
- else
- bp->hostInputFrameCount[0] = frameCount;
-}
-
-
-void PaUtil_SetNoInput( PaUtilBufferProcessor* bp )
-{
- assert( bp->inputChannelCount > 0 );
-
- bp->hostInputChannels[0][0].data = 0;
-}
-
-
-void PaUtil_SetInputChannel( PaUtilBufferProcessor* bp,
- unsigned int channel, void *data, unsigned int stride )
-{
- assert( channel < bp->inputChannelCount );
-
- bp->hostInputChannels[0][channel].data = data;
- bp->hostInputChannels[0][channel].stride = stride;
-}
-
-
-void PaUtil_SetInterleavedInputChannels( PaUtilBufferProcessor* bp,
- unsigned int firstChannel, void *data, unsigned int channelCount )
-{
- unsigned int i;
- unsigned int channel = firstChannel;
- unsigned char *p = (unsigned char*)data;
-
- if( channelCount == 0 )
- channelCount = bp->inputChannelCount;
-
- assert( firstChannel < bp->inputChannelCount );
- assert( firstChannel + channelCount <= bp->inputChannelCount );
-
- for( i=0; i< channelCount; ++i )
- {
- bp->hostInputChannels[0][channel+i].data = p;
- p += bp->bytesPerHostInputSample;
- bp->hostInputChannels[0][channel+i].stride = channelCount;
- }
-}
-
-
-void PaUtil_SetNonInterleavedInputChannel( PaUtilBufferProcessor* bp,
- unsigned int channel, void *data )
-{
- assert( channel < bp->inputChannelCount );
-
- bp->hostInputChannels[0][channel].data = data;
- bp->hostInputChannels[0][channel].stride = 1;
-}
-
-
-void PaUtil_Set2ndInputFrameCount( PaUtilBufferProcessor* bp,
- unsigned long frameCount )
-{
- bp->hostInputFrameCount[1] = frameCount;
-}
-
-
-void PaUtil_Set2ndInputChannel( PaUtilBufferProcessor* bp,
- unsigned int channel, void *data, unsigned int stride )
-{
- assert( channel < bp->inputChannelCount );
-
- bp->hostInputChannels[1][channel].data = data;
- bp->hostInputChannels[1][channel].stride = stride;
-}
-
-
-void PaUtil_Set2ndInterleavedInputChannels( PaUtilBufferProcessor* bp,
- unsigned int firstChannel, void *data, unsigned int channelCount )
-{
- unsigned int i;
- unsigned int channel = firstChannel;
- unsigned char *p = (unsigned char*)data;
-
- if( channelCount == 0 )
- channelCount = bp->inputChannelCount;
-
- assert( firstChannel < bp->inputChannelCount );
- assert( firstChannel + channelCount <= bp->inputChannelCount );
-
- for( i=0; i< channelCount; ++i )
- {
- bp->hostInputChannels[1][channel+i].data = p;
- p += bp->bytesPerHostInputSample;
- bp->hostInputChannels[1][channel+i].stride = channelCount;
- }
-}
-
-
-void PaUtil_Set2ndNonInterleavedInputChannel( PaUtilBufferProcessor* bp,
- unsigned int channel, void *data )
-{
- assert( channel < bp->inputChannelCount );
-
- bp->hostInputChannels[1][channel].data = data;
- bp->hostInputChannels[1][channel].stride = 1;
-}
-
-
-void PaUtil_SetOutputFrameCount( PaUtilBufferProcessor* bp,
- unsigned long frameCount )
-{
- if( frameCount == 0 )
- bp->hostOutputFrameCount[0] = bp->framesPerHostBuffer;
- else
- bp->hostOutputFrameCount[0] = frameCount;
-}
-
-
-void PaUtil_SetNoOutput( PaUtilBufferProcessor* bp )
-{
- assert( bp->outputChannelCount > 0 );
-
- bp->hostOutputChannels[0][0].data = 0;
-}
-
-
-void PaUtil_SetOutputChannel( PaUtilBufferProcessor* bp,
- unsigned int channel, void *data, unsigned int stride )
-{
- assert( channel < bp->outputChannelCount );
-
- bp->hostOutputChannels[0][channel].data = data;
- bp->hostOutputChannels[0][channel].stride = stride;
-}
-
-
-void PaUtil_SetInterleavedOutputChannels( PaUtilBufferProcessor* bp,
- unsigned int firstChannel, void *data, unsigned int channelCount )
-{
- unsigned int i;
- unsigned int channel = firstChannel;
- unsigned char *p = (unsigned char*)data;
-
- if( channelCount == 0 )
- channelCount = bp->outputChannelCount;
-
- assert( firstChannel < bp->outputChannelCount );
- assert( firstChannel + channelCount <= bp->outputChannelCount );
-
- for( i=0; i< channelCount; ++i )
- {
- bp->hostOutputChannels[0][channel+i].data = p;
- p += bp->bytesPerHostOutputSample;
- bp->hostOutputChannels[0][channel+i].stride = channelCount;
- }
-}
-
-
-void PaUtil_SetNonInterleavedOutputChannel( PaUtilBufferProcessor* bp,
- unsigned int channel, void *data )
-{
- assert( channel < bp->outputChannelCount );
-
- bp->hostOutputChannels[0][channel].data = data;
- bp->hostOutputChannels[0][channel].stride = 1;
-}
-
-
-void PaUtil_Set2ndOutputFrameCount( PaUtilBufferProcessor* bp,
- unsigned long frameCount )
-{
- bp->hostOutputFrameCount[1] = frameCount;
-}
-
-
-void PaUtil_Set2ndOutputChannel( PaUtilBufferProcessor* bp,
- unsigned int channel, void *data, unsigned int stride )
-{
- assert( channel < bp->outputChannelCount );
-
- bp->hostOutputChannels[1][channel].data = data;
- bp->hostOutputChannels[1][channel].stride = stride;
-}
-
-
-void PaUtil_Set2ndInterleavedOutputChannels( PaUtilBufferProcessor* bp,
- unsigned int firstChannel, void *data, unsigned int channelCount )
-{
- unsigned int i;
- unsigned int channel = firstChannel;
- unsigned char *p = (unsigned char*)data;
-
- if( channelCount == 0 )
- channelCount = bp->outputChannelCount;
-
- assert( firstChannel < bp->outputChannelCount );
- assert( firstChannel + channelCount <= bp->outputChannelCount );
-
- for( i=0; i< channelCount; ++i )
- {
- bp->hostOutputChannels[1][channel+i].data = p;
- p += bp->bytesPerHostOutputSample;
- bp->hostOutputChannels[1][channel+i].stride = channelCount;
- }
-}
-
-
-void PaUtil_Set2ndNonInterleavedOutputChannel( PaUtilBufferProcessor* bp,
- unsigned int channel, void *data )
-{
- assert( channel < bp->outputChannelCount );
-
- bp->hostOutputChannels[1][channel].data = data;
- bp->hostOutputChannels[1][channel].stride = 1;
-}
-
-
-void PaUtil_BeginBufferProcessing( PaUtilBufferProcessor* bp,
- PaStreamCallbackTimeInfo* timeInfo, PaStreamCallbackFlags callbackStatusFlags )
-{
- bp->timeInfo = timeInfo;
-
- /* the first streamCallback will be called to process samples which are
- currently in the input buffer before the ones starting at the timeInfo time */
-
- bp->timeInfo->inputBufferAdcTime -= bp->framesInTempInputBuffer * bp->samplePeriod;
-
- bp->timeInfo->currentTime = 0; /** FIXME: @todo time info currentTime not implemented */
-
- /* the first streamCallback will be called to generate samples which will be
- outputted after the frames currently in the output buffer have been
- outputted. */
- bp->timeInfo->outputBufferDacTime += bp->framesInTempOutputBuffer * bp->samplePeriod;
-
- bp->callbackStatusFlags = callbackStatusFlags;
-
- bp->hostInputFrameCount[1] = 0;
- bp->hostOutputFrameCount[1] = 0;
-}
-
-
-/*
- NonAdaptingProcess() is a simple buffer copying adaptor that can handle
- both full and half duplex copies. It processes framesToProcess frames,
- broken into blocks bp->framesPerTempBuffer long.
- This routine can be used when the streamCallback doesn't care what length
- the buffers are, or when framesToProcess is an integer multiple of
- bp->framesPerTempBuffer, in which case streamCallback will always be called
- with bp->framesPerTempBuffer samples.
-*/
-static unsigned long NonAdaptingProcess( PaUtilBufferProcessor *bp,
- int *streamCallbackResult,
- PaUtilChannelDescriptor *hostInputChannels,
- PaUtilChannelDescriptor *hostOutputChannels,
- unsigned long framesToProcess )
-{
- void *userInput, *userOutput;
- unsigned char *srcBytePtr, *destBytePtr;
- unsigned int srcSampleStrideSamples; /* stride from one sample to the next within a channel, in samples */
- unsigned int srcChannelStrideBytes; /* stride from one channel to the next, in bytes */
- unsigned int destSampleStrideSamples; /* stride from one sample to the next within a channel, in samples */
- unsigned int destChannelStrideBytes; /* stride from one channel to the next, in bytes */
- unsigned int i;
- unsigned long frameCount;
- unsigned long framesToGo = framesToProcess;
- unsigned long framesProcessed = 0;
-
-
- if( *streamCallbackResult == paContinue )
- {
- do
- {
- frameCount = PA_MIN_( bp->framesPerTempBuffer, framesToGo );
-
- /* configure user input buffer and convert input data (host -> user) */
- if( bp->inputChannelCount == 0 )
- {
- /* no input */
- userInput = 0;
- }
- else /* there are input channels */
- {
- /*
- could use more elaborate logic here and sometimes process
- buffers in-place.
- */
-
- destBytePtr = (unsigned char *)bp->tempInputBuffer;
-
- if( bp->userInputIsInterleaved )
- {
- destSampleStrideSamples = bp->inputChannelCount;
- destChannelStrideBytes = bp->bytesPerUserInputSample;
- userInput = bp->tempInputBuffer;
- }
- else /* user input is not interleaved */
- {
- destSampleStrideSamples = 1;
- destChannelStrideBytes = frameCount * bp->bytesPerUserInputSample;
-
- /* setup non-interleaved ptrs */
- for( i=0; i<bp->inputChannelCount; ++i )
- {
- bp->tempInputBufferPtrs[i] = ((unsigned char*)bp->tempInputBuffer) +
- i * bp->bytesPerUserInputSample * frameCount;
- }
-
- userInput = bp->tempInputBufferPtrs;
- }
-
- if( !bp->hostInputChannels[0][0].data )
- {
- /* no input was supplied (see PaUtil_SetNoInput), so
- zero the input buffer */
-
- for( i=0; i<bp->inputChannelCount; ++i )
- {
- bp->inputZeroer( destBytePtr, destSampleStrideSamples, frameCount );
- destBytePtr += destChannelStrideBytes; /* skip to next destination channel */
- }
- }
- else
- {
- for( i=0; i<bp->inputChannelCount; ++i )
- {
- bp->inputConverter( destBytePtr, destSampleStrideSamples,
- hostInputChannels[i].data,
- hostInputChannels[i].stride,
- frameCount, &bp->ditherGenerator );
-
- destBytePtr += destChannelStrideBytes; /* skip to next destination channel */
-
- /* advance src ptr for next iteration */
- hostInputChannels[i].data = ((unsigned char*)hostInputChannels[i].data) +
- frameCount * hostInputChannels[i].stride * bp->bytesPerHostInputSample;
- }
- }
- }
-
- /* configure user output buffer */
- if( bp->outputChannelCount == 0 )
- {
- /* no output */
- userOutput = 0;
- }
- else /* there are output channels */
- {
- if( bp->userOutputIsInterleaved )
- {
- userOutput = bp->tempOutputBuffer;
- }
- else /* user output is not interleaved */
- {
- for( i = 0; i < bp->outputChannelCount; ++i )
- {
- bp->tempOutputBufferPtrs[i] = ((unsigned char*)bp->tempOutputBuffer) +
- i * bp->bytesPerUserOutputSample * frameCount;
- }
-
- userOutput = bp->tempOutputBufferPtrs;
- }
- }
-
- *streamCallbackResult = bp->streamCallback( userInput, userOutput,
- frameCount, bp->timeInfo, bp->callbackStatusFlags, bp->userData );
-
- if( *streamCallbackResult == paAbort )
- {
- /* callback returned paAbort, don't advance framesProcessed
- and framesToGo, they will be handled below */
- }
- else
- {
- bp->timeInfo->inputBufferAdcTime += frameCount * bp->samplePeriod;
- bp->timeInfo->outputBufferDacTime += frameCount * bp->samplePeriod;
-
- /* convert output data (user -> host) */
-
- if( bp->outputChannelCount != 0 && bp->hostOutputChannels[0][0].data )
- {
- /*
- could use more elaborate logic here and sometimes process
- buffers in-place.
- */
-
- srcBytePtr = (unsigned char *)bp->tempOutputBuffer;
-
- if( bp->userOutputIsInterleaved )
- {
- srcSampleStrideSamples = bp->outputChannelCount;
- srcChannelStrideBytes = bp->bytesPerUserOutputSample;
- }
- else /* user output is not interleaved */
- {
- srcSampleStrideSamples = 1;
- srcChannelStrideBytes = frameCount * bp->bytesPerUserOutputSample;
- }
-
- for( i=0; i<bp->outputChannelCount; ++i )
- {
- bp->outputConverter( hostOutputChannels[i].data,
- hostOutputChannels[i].stride,
- srcBytePtr, srcSampleStrideSamples,
- frameCount, &bp->ditherGenerator );
-
- srcBytePtr += srcChannelStrideBytes; /* skip to next source channel */
-
- /* advance dest ptr for next iteration */
- hostOutputChannels[i].data = ((unsigned char*)hostOutputChannels[i].data) +
- frameCount * hostOutputChannels[i].stride * bp->bytesPerHostOutputSample;
- }
- }
-
- framesProcessed += frameCount;
-
- framesToGo -= frameCount;
- }
- }
- while( framesToGo > 0 && *streamCallbackResult == paContinue );
- }
-
- if( framesToGo > 0 )
- {
- /* zero any remaining frames output. There will only be remaining frames
- if the callback has returned paComplete or paAbort */
-
- frameCount = framesToGo;
-
- if( bp->outputChannelCount != 0 && bp->hostOutputChannels[0][0].data )
- {
- for( i=0; i<bp->outputChannelCount; ++i )
- {
- bp->outputZeroer( hostOutputChannels[i].data,
- hostOutputChannels[i].stride,
- frameCount );
-
- /* advance dest ptr for next iteration */
- hostOutputChannels[i].data = ((unsigned char*)hostOutputChannels[i].data) +
- frameCount * hostOutputChannels[i].stride * bp->bytesPerHostOutputSample;
- }
- }
-
- framesProcessed += frameCount;
- }
-
- return framesProcessed;
-}
-
-
-/*
- AdaptingInputOnlyProcess() is a half duplex input buffer processor. It
- converts data from the input buffers into the temporary input buffer,
- when the temporary input buffer is full, it calls the streamCallback.
-*/
-static unsigned long AdaptingInputOnlyProcess( PaUtilBufferProcessor *bp,
- int *streamCallbackResult,
- PaUtilChannelDescriptor *hostInputChannels,
- unsigned long framesToProcess )
-{
- void *userInput, *userOutput;
- unsigned char *destBytePtr;
- unsigned int destSampleStrideSamples; /* stride from one sample to the next within a channel, in samples */
- unsigned int destChannelStrideBytes; /* stride from one channel to the next, in bytes */
- unsigned int i;
- unsigned long frameCount;
- unsigned long framesToGo = framesToProcess;
- unsigned long framesProcessed = 0;
-
- userOutput = 0;
-
- do
- {
- frameCount = ( bp->framesInTempInputBuffer + framesToGo > bp->framesPerUserBuffer )
- ? ( bp->framesPerUserBuffer - bp->framesInTempInputBuffer )
- : framesToGo;
-
- /* convert frameCount samples into temp buffer */
-
- if( bp->userInputIsInterleaved )
- {
- destBytePtr = ((unsigned char*)bp->tempInputBuffer) +
- bp->bytesPerUserInputSample * bp->inputChannelCount *
- bp->framesInTempInputBuffer;
-
- destSampleStrideSamples = bp->inputChannelCount;
- destChannelStrideBytes = bp->bytesPerUserInputSample;
-
- userInput = bp->tempInputBuffer;
- }
- else /* user input is not interleaved */
- {
- destBytePtr = ((unsigned char*)bp->tempInputBuffer) +
- bp->bytesPerUserInputSample * bp->framesInTempInputBuffer;
-
- destSampleStrideSamples = 1;
- destChannelStrideBytes = bp->framesPerUserBuffer * bp->bytesPerUserInputSample;
-
- /* setup non-interleaved ptrs */
- for( i=0; i<bp->inputChannelCount; ++i )
- {
- bp->tempInputBufferPtrs[i] = ((unsigned char*)bp->tempInputBuffer) +
- i * bp->bytesPerUserInputSample * bp->framesPerUserBuffer;
- }
-
- userInput = bp->tempInputBufferPtrs;
- }
-
- for( i=0; i<bp->inputChannelCount; ++i )
- {
- bp->inputConverter( destBytePtr, destSampleStrideSamples,
- hostInputChannels[i].data,
- hostInputChannels[i].stride,
- frameCount, &bp->ditherGenerator );
-
- destBytePtr += destChannelStrideBytes; /* skip to next destination channel */
-
- /* advance src ptr for next iteration */
- hostInputChannels[i].data = ((unsigned char*)hostInputChannels[i].data) +
- frameCount * hostInputChannels[i].stride * bp->bytesPerHostInputSample;
- }
-
- bp->framesInTempInputBuffer += frameCount;
-
- if( bp->framesInTempInputBuffer == bp->framesPerUserBuffer )
- {
- /**
- @todo (non-critical optimisation)
- The conditional below implements the continue/complete/abort mechanism
- simply by continuing on iterating through the input buffer, but not
- passing the data to the callback. With care, the outer loop could be
- terminated earlier, thus some unneeded conversion cycles would be
- saved.
- */
- if( *streamCallbackResult == paContinue )
- {
- bp->timeInfo->outputBufferDacTime = 0;
-
- *streamCallbackResult = bp->streamCallback( userInput, userOutput,
- bp->framesPerUserBuffer, bp->timeInfo,
- bp->callbackStatusFlags, bp->userData );
-
- bp->timeInfo->inputBufferAdcTime += frameCount * bp->samplePeriod;
- }
-
- bp->framesInTempInputBuffer = 0;
- }
-
- framesProcessed += frameCount;
-
- framesToGo -= frameCount;
- }while( framesToGo > 0 );
-
- return framesProcessed;
-}
-
-
-/*
- AdaptingOutputOnlyProcess() is a half duplex output buffer processor.
- It converts data from the temporary output buffer, to the output buffers,
- when the temporary output buffer is empty, it calls the streamCallback.
-*/
-static unsigned long AdaptingOutputOnlyProcess( PaUtilBufferProcessor *bp,
- int *streamCallbackResult,
- PaUtilChannelDescriptor *hostOutputChannels,
- unsigned long framesToProcess )
-{
- void *userInput, *userOutput;
- unsigned char *srcBytePtr;
- unsigned int srcSampleStrideSamples; /* stride from one sample to the next within a channel, in samples */
- unsigned int srcChannelStrideBytes; /* stride from one channel to the next, in bytes */
- unsigned int i;
- unsigned long frameCount;
- unsigned long framesToGo = framesToProcess;
- unsigned long framesProcessed = 0;
-
- do
- {
- if( bp->framesInTempOutputBuffer == 0 && *streamCallbackResult == paContinue )
- {
- userInput = 0;
-
- /* setup userOutput */
- if( bp->userOutputIsInterleaved )
- {
- userOutput = bp->tempOutputBuffer;
- }
- else /* user output is not interleaved */
- {
- for( i = 0; i < bp->outputChannelCount; ++i )
- {
- bp->tempOutputBufferPtrs[i] = ((unsigned char*)bp->tempOutputBuffer) +
- i * bp->framesPerUserBuffer * bp->bytesPerUserOutputSample;
- }
-
- userOutput = bp->tempOutputBufferPtrs;
- }
-
- bp->timeInfo->inputBufferAdcTime = 0;
-
- *streamCallbackResult = bp->streamCallback( userInput, userOutput,
- bp->framesPerUserBuffer, bp->timeInfo,
- bp->callbackStatusFlags, bp->userData );
-
- if( *streamCallbackResult == paAbort )
- {
- /* if the callback returned paAbort, we disregard its output */
- }
- else
- {
- bp->timeInfo->outputBufferDacTime += bp->framesPerUserBuffer * bp->samplePeriod;
-
- bp->framesInTempOutputBuffer = bp->framesPerUserBuffer;
- }
- }
-
- if( bp->framesInTempOutputBuffer > 0 )
- {
- /* convert frameCount frames from user buffer to host buffer */
-
- frameCount = PA_MIN_( bp->framesInTempOutputBuffer, framesToGo );
-
- if( bp->userOutputIsInterleaved )
- {
- srcBytePtr = ((unsigned char*)bp->tempOutputBuffer) +
- bp->bytesPerUserOutputSample * bp->outputChannelCount *
- (bp->framesPerUserBuffer - bp->framesInTempOutputBuffer);
-
- srcSampleStrideSamples = bp->outputChannelCount;
- srcChannelStrideBytes = bp->bytesPerUserOutputSample;
- }
- else /* user output is not interleaved */
- {
- srcBytePtr = ((unsigned char*)bp->tempOutputBuffer) +
- bp->bytesPerUserOutputSample *
- (bp->framesPerUserBuffer - bp->framesInTempOutputBuffer);
-
- srcSampleStrideSamples = 1;
- srcChannelStrideBytes = bp->framesPerUserBuffer * bp->bytesPerUserOutputSample;
- }
-
- for( i=0; i<bp->outputChannelCount; ++i )
- {
- bp->outputConverter( hostOutputChannels[i].data,
- hostOutputChannels[i].stride,
- srcBytePtr, srcSampleStrideSamples,
- frameCount, &bp->ditherGenerator );
-
- srcBytePtr += srcChannelStrideBytes; /* skip to next source channel */
-
- /* advance dest ptr for next iteration */
- hostOutputChannels[i].data = ((unsigned char*)hostOutputChannels[i].data) +
- frameCount * hostOutputChannels[i].stride * bp->bytesPerHostOutputSample;
- }
-
- bp->framesInTempOutputBuffer -= frameCount;
- }
- else
- {
- /* no more user data is available because the callback has returned
- paComplete or paAbort. Fill the remainder of the host buffer
- with zeros.
- */
-
- frameCount = framesToGo;
-
- for( i=0; i<bp->outputChannelCount; ++i )
- {
- bp->outputZeroer( hostOutputChannels[i].data,
- hostOutputChannels[i].stride,
- frameCount );
-
- /* advance dest ptr for next iteration */
- hostOutputChannels[i].data = ((unsigned char*)hostOutputChannels[i].data) +
- frameCount * hostOutputChannels[i].stride * bp->bytesPerHostOutputSample;
- }
- }
-
- framesProcessed += frameCount;
-
- framesToGo -= frameCount;
-
- }while( framesToGo > 0 );
-
- return framesProcessed;
-}
-
-/* CopyTempOutputBuffersToHostOutputBuffers is called from AdaptingProcess to copy frames from
- tempOutputBuffer to hostOutputChannels. This includes data conversion
- and interleaving.
-*/
-static void CopyTempOutputBuffersToHostOutputBuffers( PaUtilBufferProcessor *bp)
-{
- unsigned long maxFramesToCopy;
- PaUtilChannelDescriptor *hostOutputChannels;
- unsigned int frameCount;
- unsigned char *srcBytePtr;
- unsigned int srcSampleStrideSamples; /* stride from one sample to the next within a channel, in samples */
- unsigned int srcChannelStrideBytes; /* stride from one channel to the next, in bytes */
- unsigned int i;
-
- /* copy frames from user to host output buffers */
- while( bp->framesInTempOutputBuffer > 0 &&
- ((bp->hostOutputFrameCount[0] + bp->hostOutputFrameCount[1]) > 0) )
- {
- maxFramesToCopy = bp->framesInTempOutputBuffer;
-
- /* select the output buffer set (1st or 2nd) */
- if( bp->hostOutputFrameCount[0] > 0 )
- {
- hostOutputChannels = bp->hostOutputChannels[0];
- frameCount = PA_MIN_( bp->hostOutputFrameCount[0], maxFramesToCopy );
- }
- else
- {
- hostOutputChannels = bp->hostOutputChannels[1];
- frameCount = PA_MIN_( bp->hostOutputFrameCount[1], maxFramesToCopy );
- }
-
- if( bp->userOutputIsInterleaved )
- {
- srcBytePtr = ((unsigned char*)bp->tempOutputBuffer) +
- bp->bytesPerUserOutputSample * bp->outputChannelCount *
- (bp->framesPerUserBuffer - bp->framesInTempOutputBuffer);
-
- srcSampleStrideSamples = bp->outputChannelCount;
- srcChannelStrideBytes = bp->bytesPerUserOutputSample;
- }
- else /* user output is not interleaved */
- {
- srcBytePtr = ((unsigned char*)bp->tempOutputBuffer) +
- bp->bytesPerUserOutputSample *
- (bp->framesPerUserBuffer - bp->framesInTempOutputBuffer);
-
- srcSampleStrideSamples = 1;
- srcChannelStrideBytes = bp->framesPerUserBuffer * bp->bytesPerUserOutputSample;
- }
-
- for( i=0; i<bp->outputChannelCount; ++i )
- {
- bp->outputConverter( hostOutputChannels[i].data,
- hostOutputChannels[i].stride,
- srcBytePtr, srcSampleStrideSamples,
- frameCount, &bp->ditherGenerator );
-
- srcBytePtr += srcChannelStrideBytes; /* skip to next source channel */
-
- /* advance dest ptr for next iteration */
- hostOutputChannels[i].data = ((unsigned char*)hostOutputChannels[i].data) +
- frameCount * hostOutputChannels[i].stride * bp->bytesPerHostOutputSample;
- }
-
- if( bp->hostOutputFrameCount[0] > 0 )
- bp->hostOutputFrameCount[0] -= frameCount;
- else
- bp->hostOutputFrameCount[1] -= frameCount;
-
- bp->framesInTempOutputBuffer -= frameCount;
- }
-}
-
-/*
- AdaptingProcess is a full duplex adapting buffer processor. It converts
- data from the temporary output buffer into the host output buffers, then
- from the host input buffers into the temporary input buffers. Calling the
- streamCallback when necessary.
- When processPartialUserBuffers is 0, all available input data will be
- consumed and all available output space will be filled. When
- processPartialUserBuffers is non-zero, as many full user buffers
- as possible will be processed, but partial buffers will not be consumed.
-*/
-static unsigned long AdaptingProcess( PaUtilBufferProcessor *bp,
- int *streamCallbackResult, int processPartialUserBuffers )
-{
- void *userInput, *userOutput;
- unsigned long framesProcessed = 0;
- unsigned long framesAvailable;
- unsigned long endProcessingMinFrameCount;
- unsigned long maxFramesToCopy;
- PaUtilChannelDescriptor *hostInputChannels, *hostOutputChannels;
- unsigned int frameCount;
- unsigned char *destBytePtr;
- unsigned int destSampleStrideSamples; /* stride from one sample to the next within a channel, in samples */
- unsigned int destChannelStrideBytes; /* stride from one channel to the next, in bytes */
- unsigned int i, j;
-
-
- framesAvailable = bp->hostInputFrameCount[0] + bp->hostInputFrameCount[1];/* this is assumed to be the same as the output buffer's frame count */
-
- if( processPartialUserBuffers )
- endProcessingMinFrameCount = 0;
- else
- endProcessingMinFrameCount = (bp->framesPerUserBuffer - 1);
-
- /* Fill host output with remaining frames in user output (tempOutputBuffer) */
- CopyTempOutputBuffersToHostOutputBuffers( bp );
-
- while( framesAvailable > endProcessingMinFrameCount )
- {
-
- if( bp->framesInTempOutputBuffer == 0 && *streamCallbackResult != paContinue )
- {
- /* the callback will not be called any more, so zero what remains
- of the host output buffers */
-
- for( i=0; i<2; ++i )
- {
- frameCount = bp->hostOutputFrameCount[i];
- if( frameCount > 0 )
- {
- hostOutputChannels = bp->hostOutputChannels[i];
-
- for( j=0; j<bp->outputChannelCount; ++j )
- {
- bp->outputZeroer( hostOutputChannels[j].data,
- hostOutputChannels[j].stride,
- frameCount );
-
- /* advance dest ptr for next iteration */
- hostOutputChannels[j].data = ((unsigned char*)hostOutputChannels[j].data) +
- frameCount * hostOutputChannels[j].stride * bp->bytesPerHostOutputSample;
- }
- bp->hostOutputFrameCount[i] = 0;
- }
- }
- }
-
-
- /* copy frames from host to user input buffers */
- while( bp->framesInTempInputBuffer < bp->framesPerUserBuffer &&
- ((bp->hostInputFrameCount[0] + bp->hostInputFrameCount[1]) > 0) )
- {
- maxFramesToCopy = bp->framesPerUserBuffer - bp->framesInTempInputBuffer;
-
- /* select the input buffer set (1st or 2nd) */
- if( bp->hostInputFrameCount[0] > 0 )
- {
- hostInputChannels = bp->hostInputChannels[0];
- frameCount = PA_MIN_( bp->hostInputFrameCount[0], maxFramesToCopy );
- }
- else
- {
- hostInputChannels = bp->hostInputChannels[1];
- frameCount = PA_MIN_( bp->hostInputFrameCount[1], maxFramesToCopy );
- }
-
- /* configure conversion destination pointers */
- if( bp->userInputIsInterleaved )
- {
- destBytePtr = ((unsigned char*)bp->tempInputBuffer) +
- bp->bytesPerUserInputSample * bp->inputChannelCount *
- bp->framesInTempInputBuffer;
-
- destSampleStrideSamples = bp->inputChannelCount;
- destChannelStrideBytes = bp->bytesPerUserInputSample;
- }
- else /* user input is not interleaved */
- {
- destBytePtr = ((unsigned char*)bp->tempInputBuffer) +
- bp->bytesPerUserInputSample * bp->framesInTempInputBuffer;
-
- destSampleStrideSamples = 1;
- destChannelStrideBytes = bp->framesPerUserBuffer * bp->bytesPerUserInputSample;
- }
-
- for( i=0; i<bp->inputChannelCount; ++i )
- {
- bp->inputConverter( destBytePtr, destSampleStrideSamples,
- hostInputChannels[i].data,
- hostInputChannels[i].stride,
- frameCount, &bp->ditherGenerator );
-
- destBytePtr += destChannelStrideBytes; /* skip to next destination channel */
-
- /* advance src ptr for next iteration */
- hostInputChannels[i].data = ((unsigned char*)hostInputChannels[i].data) +
- frameCount * hostInputChannels[i].stride * bp->bytesPerHostInputSample;
- }
-
- if( bp->hostInputFrameCount[0] > 0 )
- bp->hostInputFrameCount[0] -= frameCount;
- else
- bp->hostInputFrameCount[1] -= frameCount;
-
- bp->framesInTempInputBuffer += frameCount;
-
- /* update framesAvailable and framesProcessed based on input consumed
- unless something is very wrong this will also correspond to the
- amount of output generated */
- framesAvailable -= frameCount;
- framesProcessed += frameCount;
- }
-
- /* call streamCallback */
- if( bp->framesInTempInputBuffer == bp->framesPerUserBuffer &&
- bp->framesInTempOutputBuffer == 0 )
- {
- if( *streamCallbackResult == paContinue )
- {
- /* setup userInput */
- if( bp->userInputIsInterleaved )
- {
- userInput = bp->tempInputBuffer;
- }
- else /* user input is not interleaved */
- {
- for( i = 0; i < bp->inputChannelCount; ++i )
- {
- bp->tempInputBufferPtrs[i] = ((unsigned char*)bp->tempInputBuffer) +
- i * bp->framesPerUserBuffer * bp->bytesPerUserInputSample;
- }
-
- userInput = bp->tempInputBufferPtrs;
- }
-
- /* setup userOutput */
- if( bp->userOutputIsInterleaved )
- {
- userOutput = bp->tempOutputBuffer;
- }
- else /* user output is not interleaved */
- {
- for( i = 0; i < bp->outputChannelCount; ++i )
- {
- bp->tempOutputBufferPtrs[i] = ((unsigned char*)bp->tempOutputBuffer) +
- i * bp->framesPerUserBuffer * bp->bytesPerUserOutputSample;
- }
-
- userOutput = bp->tempOutputBufferPtrs;
- }
-
- /* call streamCallback */
-
- *streamCallbackResult = bp->streamCallback( userInput, userOutput,
- bp->framesPerUserBuffer, bp->timeInfo,
- bp->callbackStatusFlags, bp->userData );
-
- bp->timeInfo->inputBufferAdcTime += bp->framesPerUserBuffer * bp->samplePeriod;
- bp->timeInfo->outputBufferDacTime += bp->framesPerUserBuffer * bp->samplePeriod;
-
- bp->framesInTempInputBuffer = 0;
-
- if( *streamCallbackResult == paAbort )
- bp->framesInTempOutputBuffer = 0;
- else
- bp->framesInTempOutputBuffer = bp->framesPerUserBuffer;
- }
- else
- {
- /* paComplete or paAbort has already been called. */
-
- bp->framesInTempInputBuffer = 0;
- }
- }
-
- /* copy frames from user (tempOutputBuffer) to host output buffers (hostOutputChannels)
- Means to process the user output provided by the callback. Has to be called after
- each callback. */
- CopyTempOutputBuffersToHostOutputBuffers( bp );
-
- }
-
- return framesProcessed;
-}
-
-
-unsigned long PaUtil_EndBufferProcessing( PaUtilBufferProcessor* bp, int *streamCallbackResult )
-{
- unsigned long framesToProcess, framesToGo;
- unsigned long framesProcessed = 0;
-
- if( bp->inputChannelCount != 0 && bp->outputChannelCount != 0
- && bp->hostInputChannels[0][0].data /* input was supplied (see PaUtil_SetNoInput) */
- && bp->hostOutputChannels[0][0].data /* output was supplied (see PaUtil_SetNoOutput) */ )
- {
- assert( (bp->hostInputFrameCount[0] + bp->hostInputFrameCount[1]) ==
- (bp->hostOutputFrameCount[0] + bp->hostOutputFrameCount[1]) );
- }
-
- assert( *streamCallbackResult == paContinue
- || *streamCallbackResult == paComplete
- || *streamCallbackResult == paAbort ); /* don't forget to pass in a valid callback result value */
-
- if( bp->useNonAdaptingProcess )
- {
- if( bp->inputChannelCount != 0 && bp->outputChannelCount != 0 )
- {
- /* full duplex non-adapting process, splice buffers if they are
- different lengths */
-
- framesToGo = bp->hostOutputFrameCount[0] + bp->hostOutputFrameCount[1]; /* relies on assert above for input/output equivalence */
-
- do{
- unsigned long noInputInputFrameCount;
- unsigned long *hostInputFrameCount;
- PaUtilChannelDescriptor *hostInputChannels;
- unsigned long noOutputOutputFrameCount;
- unsigned long *hostOutputFrameCount;
- PaUtilChannelDescriptor *hostOutputChannels;
- unsigned long framesProcessedThisIteration;
-
- if( !bp->hostInputChannels[0][0].data )
- {
- /* no input was supplied (see PaUtil_SetNoInput)
- NonAdaptingProcess knows how to deal with this
- */
- noInputInputFrameCount = framesToGo;
- hostInputFrameCount = &noInputInputFrameCount;
- hostInputChannels = 0;
- }
- else if( bp->hostInputFrameCount[0] != 0 )
- {
- hostInputFrameCount = &bp->hostInputFrameCount[0];
- hostInputChannels = bp->hostInputChannels[0];
- }
- else
- {
- hostInputFrameCount = &bp->hostInputFrameCount[1];
- hostInputChannels = bp->hostInputChannels[1];
- }
-
- if( !bp->hostOutputChannels[0][0].data )
- {
- /* no output was supplied (see PaUtil_SetNoOutput)
- NonAdaptingProcess knows how to deal with this
- */
- noOutputOutputFrameCount = framesToGo;
- hostOutputFrameCount = &noOutputOutputFrameCount;
- hostOutputChannels = 0;
- }
- if( bp->hostOutputFrameCount[0] != 0 )
- {
- hostOutputFrameCount = &bp->hostOutputFrameCount[0];
- hostOutputChannels = bp->hostOutputChannels[0];
- }
- else
- {
- hostOutputFrameCount = &bp->hostOutputFrameCount[1];
- hostOutputChannels = bp->hostOutputChannels[1];
- }
-
- framesToProcess = PA_MIN_( *hostInputFrameCount,
- *hostOutputFrameCount );
-
- assert( framesToProcess != 0 );
-
- framesProcessedThisIteration = NonAdaptingProcess( bp, streamCallbackResult,
- hostInputChannels, hostOutputChannels,
- framesToProcess );
-
- *hostInputFrameCount -= framesProcessedThisIteration;
- *hostOutputFrameCount -= framesProcessedThisIteration;
-
- framesProcessed += framesProcessedThisIteration;
- framesToGo -= framesProcessedThisIteration;
-
- }while( framesToGo > 0 );
- }
- else
- {
- /* half duplex non-adapting process, just process 1st and 2nd buffer */
- /* process first buffer */
-
- framesToProcess = (bp->inputChannelCount != 0)
- ? bp->hostInputFrameCount[0]
- : bp->hostOutputFrameCount[0];
-
- framesProcessed = NonAdaptingProcess( bp, streamCallbackResult,
- bp->hostInputChannels[0], bp->hostOutputChannels[0],
- framesToProcess );
-
- /* process second buffer if provided */
-
- framesToProcess = (bp->inputChannelCount != 0)
- ? bp->hostInputFrameCount[1]
- : bp->hostOutputFrameCount[1];
- if( framesToProcess > 0 )
- {
- framesProcessed += NonAdaptingProcess( bp, streamCallbackResult,
- bp->hostInputChannels[1], bp->hostOutputChannels[1],
- framesToProcess );
- }
- }
- }
- else /* block adaption necessary*/
- {
-
- if( bp->inputChannelCount != 0 && bp->outputChannelCount != 0 )
- {
- /* full duplex */
-
- if( bp->hostBufferSizeMode == paUtilVariableHostBufferSizePartialUsageAllowed )
- {
- framesProcessed = AdaptingProcess( bp, streamCallbackResult,
- 0 /* dont process partial user buffers */ );
- }
- else
- {
- framesProcessed = AdaptingProcess( bp, streamCallbackResult,
- 1 /* process partial user buffers */ );
- }
- }
- else if( bp->inputChannelCount != 0 )
- {
- /* input only */
- framesToProcess = bp->hostInputFrameCount[0];
-
- framesProcessed = AdaptingInputOnlyProcess( bp, streamCallbackResult,
- bp->hostInputChannels[0], framesToProcess );
-
- framesToProcess = bp->hostInputFrameCount[1];
- if( framesToProcess > 0 )
- {
- framesProcessed += AdaptingInputOnlyProcess( bp, streamCallbackResult,
- bp->hostInputChannels[1], framesToProcess );
- }
- }
- else
- {
- /* output only */
- framesToProcess = bp->hostOutputFrameCount[0];
-
- framesProcessed = AdaptingOutputOnlyProcess( bp, streamCallbackResult,
- bp->hostOutputChannels[0], framesToProcess );
-
- framesToProcess = bp->hostOutputFrameCount[1];
- if( framesToProcess > 0 )
- {
- framesProcessed += AdaptingOutputOnlyProcess( bp, streamCallbackResult,
- bp->hostOutputChannels[1], framesToProcess );
- }
- }
- }
-
- return framesProcessed;
-}
-
-
-int PaUtil_IsBufferProcessorOutputEmpty( PaUtilBufferProcessor* bp )
-{
- return (bp->framesInTempOutputBuffer) ? 0 : 1;
-}
-
-
-unsigned long PaUtil_CopyInput( PaUtilBufferProcessor* bp,
- void **buffer, unsigned long frameCount )
-{
- PaUtilChannelDescriptor *hostInputChannels;
- unsigned int framesToCopy;
- unsigned char *destBytePtr;
- void **nonInterleavedDestPtrs;
- unsigned int destSampleStrideSamples; /* stride from one sample to the next within a channel, in samples */
- unsigned int destChannelStrideBytes; /* stride from one channel to the next, in bytes */
- unsigned int i;
-
- hostInputChannels = bp->hostInputChannels[0];
- framesToCopy = PA_MIN_( bp->hostInputFrameCount[0], frameCount );
-
- if( bp->userInputIsInterleaved )
- {
- destBytePtr = (unsigned char*)*buffer;
-
- destSampleStrideSamples = bp->inputChannelCount;
- destChannelStrideBytes = bp->bytesPerUserInputSample;
-
- for( i=0; i<bp->inputChannelCount; ++i )
- {
- bp->inputConverter( destBytePtr, destSampleStrideSamples,
- hostInputChannels[i].data,
- hostInputChannels[i].stride,
- framesToCopy, &bp->ditherGenerator );
-
- destBytePtr += destChannelStrideBytes; /* skip to next source channel */
-
- /* advance dest ptr for next iteration */
- hostInputChannels[i].data = ((unsigned char*)hostInputChannels[i].data) +
- framesToCopy * hostInputChannels[i].stride * bp->bytesPerHostInputSample;
- }
-
- /* advance callers dest pointer (buffer) */
- *buffer = ((unsigned char *)*buffer) +
- framesToCopy * bp->inputChannelCount * bp->bytesPerUserInputSample;
- }
- else
- {
- /* user input is not interleaved */
-
- nonInterleavedDestPtrs = (void**)*buffer;
-
- destSampleStrideSamples = 1;
-
- for( i=0; i<bp->inputChannelCount; ++i )
- {
- destBytePtr = (unsigned char*)nonInterleavedDestPtrs[i];
-
- bp->inputConverter( destBytePtr, destSampleStrideSamples,
- hostInputChannels[i].data,
- hostInputChannels[i].stride,
- framesToCopy, &bp->ditherGenerator );
-
- /* advance callers dest pointer (nonInterleavedDestPtrs[i]) */
- destBytePtr += bp->bytesPerUserInputSample * framesToCopy;
- nonInterleavedDestPtrs[i] = destBytePtr;
-
- /* advance dest ptr for next iteration */
- hostInputChannels[i].data = ((unsigned char*)hostInputChannels[i].data) +
- framesToCopy * hostInputChannels[i].stride * bp->bytesPerHostInputSample;
- }
- }
-
- bp->hostInputFrameCount[0] -= framesToCopy;
-
- return framesToCopy;
-}
-
-unsigned long PaUtil_CopyOutput( PaUtilBufferProcessor* bp,
- const void ** buffer, unsigned long frameCount )
-{
- PaUtilChannelDescriptor *hostOutputChannels;
- unsigned int framesToCopy;
- unsigned char *srcBytePtr;
- void **nonInterleavedSrcPtrs;
- unsigned int srcSampleStrideSamples; /* stride from one sample to the next within a channel, in samples */
- unsigned int srcChannelStrideBytes; /* stride from one channel to the next, in bytes */
- unsigned int i;
-
- hostOutputChannels = bp->hostOutputChannels[0];
- framesToCopy = PA_MIN_( bp->hostOutputFrameCount[0], frameCount );
-
- if( bp->userOutputIsInterleaved )
- {
- srcBytePtr = (unsigned char*)*buffer;
-
- srcSampleStrideSamples = bp->outputChannelCount;
- srcChannelStrideBytes = bp->bytesPerUserOutputSample;
-
- for( i=0; i<bp->outputChannelCount; ++i )
- {
- bp->outputConverter( hostOutputChannels[i].data,
- hostOutputChannels[i].stride,
- srcBytePtr, srcSampleStrideSamples,
- framesToCopy, &bp->ditherGenerator );
-
- srcBytePtr += srcChannelStrideBytes; /* skip to next source channel */
-
- /* advance dest ptr for next iteration */
- hostOutputChannels[i].data = ((unsigned char*)hostOutputChannels[i].data) +
- framesToCopy * hostOutputChannels[i].stride * bp->bytesPerHostOutputSample;
- }
-
- /* advance callers source pointer (buffer) */
- *buffer = ((unsigned char *)*buffer) +
- framesToCopy * bp->outputChannelCount * bp->bytesPerUserOutputSample;
-
- }
- else
- {
- /* user output is not interleaved */
-
- nonInterleavedSrcPtrs = (void**)*buffer;
-
- srcSampleStrideSamples = 1;
-
- for( i=0; i<bp->outputChannelCount; ++i )
- {
- srcBytePtr = (unsigned char*)nonInterleavedSrcPtrs[i];
-
- bp->outputConverter( hostOutputChannels[i].data,
- hostOutputChannels[i].stride,
- srcBytePtr, srcSampleStrideSamples,
- framesToCopy, &bp->ditherGenerator );
-
-
- /* advance callers source pointer (nonInterleavedSrcPtrs[i]) */
- srcBytePtr += bp->bytesPerUserOutputSample * framesToCopy;
- nonInterleavedSrcPtrs[i] = srcBytePtr;
-
- /* advance dest ptr for next iteration */
- hostOutputChannels[i].data = ((unsigned char*)hostOutputChannels[i].data) +
- framesToCopy * hostOutputChannels[i].stride * bp->bytesPerHostOutputSample;
- }
- }
-
- bp->hostOutputFrameCount[0] += framesToCopy;
-
- return framesToCopy;
-}
-
-
-unsigned long PaUtil_ZeroOutput( PaUtilBufferProcessor* bp, unsigned long frameCount )
-{
- PaUtilChannelDescriptor *hostOutputChannels;
- unsigned int framesToZero;
- unsigned int i;
-
- hostOutputChannels = bp->hostOutputChannels[0];
- framesToZero = PA_MIN_( bp->hostOutputFrameCount[0], frameCount );
-
- for( i=0; i<bp->outputChannelCount; ++i )
- {
- bp->outputZeroer( hostOutputChannels[i].data,
- hostOutputChannels[i].stride,
- framesToZero );
-
-
- /* advance dest ptr for next iteration */
- hostOutputChannels[i].data = ((unsigned char*)hostOutputChannels[i].data) +
- framesToZero * hostOutputChannels[i].stride * bp->bytesPerHostOutputSample;
- }
-
- bp->hostOutputFrameCount[0] += framesToZero;
-
- return framesToZero;
-}
diff --git a/src/audio/portaudio/pa_common/pa_process.h b/src/audio/portaudio/pa_common/pa_process.h
deleted file mode 100644
index 8d13d903a4..0000000000
--- a/src/audio/portaudio/pa_common/pa_process.h
+++ /dev/null
@@ -1,741 +0,0 @@
-#ifndef PA_PROCESS_H
-#define PA_PROCESS_H
-/*
- * $Id$
- * Portable Audio I/O Library callback buffer processing adapters
- *
- * Based on the Open Source API proposed by Ross Bencina
- * Copyright (c) 1999-2002 Phil Burk, Ross Bencina
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/** @file
- @brief Buffer Processor prototypes. A Buffer Processor performs buffer length
- adaption, coordinates sample format conversion, and interleaves/deinterleaves
- channels.
-
- <h3>Overview</h3>
-
- The "Buffer Processor" (PaUtilBufferProcessor) manages conversion of audio
- data from host buffers to user buffers and back again. Where required, the
- buffer processor takes care of converting between host and user sample formats,
- interleaving and deinterleaving multichannel buffers, and adapting between host
- and user buffers with different lengths. The buffer processor may be used with
- full and half duplex streams, for both callback streams and blocking read/write
- streams.
-
- One of the important capabilities provided by the buffer processor is
- the ability to adapt between user and host buffer sizes of different lengths
- with minimum latency. Although this task is relatively easy to perform when
- the host buffer size is an integer multiple of the user buffer size, the
- problem is more complicated when this is not the case - especially for
- full-duplex callback streams. Where necessary the adaption is implemented by
- internally buffering some input and/or output data. The buffer adation
- algorithm used by the buffer processor was originally implemented by
- Stephan Letz for the ASIO version of PortAudio, and is described in his
- Callback_adaption_.pdf which is included in the distribution.
-
- The buffer processor performs sample conversion using the functions provided
- by pa_converters.c.
-
- The following sections provide an overview of how to use the buffer processor.
- Interested readers are advised to consult the host API implementations for
- examples of buffer processor usage.
-
-
- <h4>Initialization, resetting and termination</h4>
-
- When a stream is opened, the buffer processor should be initialized using
- PaUtil_InitializeBufferProcessor. This function initializes internal state
- and allocates temporary buffers as neccesary according to the supplied
- configuration parameters. Some of the parameters correspond to those requested
- by the user in their call to Pa_OpenStream(), others reflect the requirements
- of the host API implementation - they indicate host buffer sizes, formats,
- and the type of buffering which the Host API uses. The buffer processor should
- be initialized for callback streams and blocking read/write streams.
-
- Call PaUtil_ResetBufferProcessor to clear any sample data which is present
- in the buffer processor before starting to use it (for example when
- Pa_StartStream is called).
-
- When the buffer processor is no longer used call
- PaUtil_TerminateBufferProcessor.
-
-
- <h4>Using the buffer processor for a callback stream</h4>
-
- The buffer processor's role in a callback stream is to take host input buffers
- process them with the stream callback, and fill host output buffers. For a
- full duplex stream, the buffer processor handles input and output simultaneously
- due to the requirements of the minimum-latency buffer adation algorithm.
-
- When a host buffer becomes available, the implementation should call
- the buffer processor to process the buffer. The buffer processor calls the
- stream callback to consume and/or produce audio data as necessary. The buffer
- processor will convert sample formats, interleave/deinterleave channels,
- and slice or chunk the data to the appropriate buffer lengths according to
- the requirements of the stream callback and the host API.
-
- To process a host buffer (or a pair of host buffers for a full-duplex stream)
- use the following calling sequence:
-
- -# Call PaUtil_BeginBufferProcessing
- -# For a stream which takes input:
- - Call PaUtil_SetInputFrameCount with the number of frames in the host input
- buffer.
- - Call one of the following functions one or more times to tell the
- buffer processor about the host input buffer(s): PaUtil_SetInputChannel,
- PaUtil_SetInterleavedInputChannels, PaUtil_SetNonInterleavedInputChannel.
- Which function you call will depend on whether the host buffer(s) are
- interleaved or not.
- - If the available host data is split accross two buffers (for example a
- data range at the end of a circular buffer and another range at the
- beginning of the circular buffer), also call
- PaUtil_Set2ndInputFrameCount, PaUtil_Set2ndInputChannel,
- PaUtil_Set2ndInterleavedInputChannels,
- PaUtil_Set2ndNonInterleavedInputChannel as necessary to tell the buffer
- processor about the second buffer.
- -# For a stream which generates output:
- - Call PaUtil_SetOutputFrameCount with the number of frames in the host
- output buffer.
- - Call one of the following functions one or more times to tell the
- buffer processor about the host output buffer(s): PaUtil_SetOutputChannel,
- PaUtil_SetInterleavedOutputChannels, PaUtil_SetNonInterleavedOutputChannel.
- Which function you call will depend on whether the host buffer(s) are
- interleaved or not.
- - If the available host output buffer space is split accross two buffers
- (for example a data range at the end of a circular buffer and another
- range at the beginning of the circular buffer), call
- PaUtil_Set2ndOutputFrameCount, PaUtil_Set2ndOutputChannel,
- PaUtil_Set2ndInterleavedOutputChannels,
- PaUtil_Set2ndNonInterleavedOutputChannel as necessary to tell the buffer
- processor about the second buffer.
- -# Call PaUtil_EndBufferProcessing, this function performs the actual data
- conversion and processing.
-
-
- <h4>Using the buffer processor for a blocking read/write stream</h4>
-
- Blocking read/write streams use the buffer processor to convert and copy user
- output data to a host buffer, and to convert and copy host input data to
- the user's buffer. The buffer processor does not perform any buffer adaption.
- When using the buffer processor in a blocking read/write stream the input and
- output conversion are performed separately by the PaUtil_CopyInput and
- PaUtil_CopyOutput functions.
-
- To copy data from a host input buffer to the buffer(s) which the user supplies
- to Pa_ReadStream, use the following calling sequence.
-
- - Repeat the following three steps until the user buffer(s) have been filled
- with samples from the host input buffers:
- -# Call PaUtil_SetInputFrameCount with the number of frames in the host
- input buffer.
- -# Call one of the following functions one or more times to tell the
- buffer processor about the host input buffer(s): PaUtil_SetInputChannel,
- PaUtil_SetInterleavedInputChannels, PaUtil_SetNonInterleavedInputChannel.
- Which function you call will depend on whether the host buffer(s) are
- interleaved or not.
- -# Call PaUtil_CopyInput with the user buffer pointer (or a copy of the
- array of buffer pointers for a non-interleaved stream) passed to
- Pa_ReadStream, along with the number of frames in the user buffer(s).
- Be careful to pass a <i>copy</i> of the user buffer pointers to
- PaUtil_CopyInput because PaUtil_CopyInput advances the pointers to
- the start of the next region to copy.
- - PaUtil_CopyInput will not copy more data than is available in the
- host buffer(s), so the above steps need to be repeated until the user
- buffer(s) are full.
-
-
- To copy data to the host output buffer from the user buffers(s) supplied
- to Pa_WriteStream use the following calling sequence.
-
- - Repeat the following three steps until all frames from the user buffer(s)
- have been copied to the host API:
- -# Call PaUtil_SetOutputFrameCount with the number of frames in the host
- output buffer.
- -# Call one of the following functions one or more times to tell the
- buffer processor about the host output buffer(s): PaUtil_SetOutputChannel,
- PaUtil_SetInterleavedOutputChannels, PaUtil_SetNonInterleavedOutputChannel.
- Which function you call will depend on whether the host buffer(s) are
- interleaved or not.
- -# Call PaUtil_CopyOutput with the user buffer pointer (or a copy of the
- array of buffer pointers for a non-interleaved stream) passed to
- Pa_WriteStream, along with the number of frames in the user buffer(s).
- Be careful to pass a <i>copy</i> of the user buffer pointers to
- PaUtil_CopyOutput because PaUtil_CopyOutput advances the pointers to
- the start of the next region to copy.
- - PaUtil_CopyOutput will not copy more data than fits in the host buffer(s),
- so the above steps need to be repeated until all user data is copied.
-*/
-
-
-#include "portaudio.h"
-#include "pa_converters.h"
-#include "pa_dither.h"
-
-#ifdef __cplusplus
-extern "C"
-{
-#endif /* __cplusplus */
-
-
-/** @brief Mode flag passed to PaUtil_InitializeBufferProcessor indicating the type
- of buffering that the host API uses.
-
- The mode used depends on whether the host API or the implementation manages
- the buffers, and how these buffers are used (scatter gather, circular buffer).
-*/
-typedef enum {
-/** The host buffer size is a fixed known size. */
- paUtilFixedHostBufferSize,
-
-/** The host buffer size may vary, but has a known maximum size. */
- paUtilBoundedHostBufferSize,
-
-/** Nothing is known about the host buffer size. */
- paUtilUnknownHostBufferSize,
-
-/** The host buffer size varies, and the client does not require the buffer
- processor to consume all of the input and fill all of the output buffer. This
- is useful when the implementation has access to the host API's circular buffer
- and only needs to consume/fill some of it, not necessarily all of it, with each
- call to the buffer processor. This is the only mode where
- PaUtil_EndBufferProcessing() may not consume the whole buffer.
-*/
- paUtilVariableHostBufferSizePartialUsageAllowed
-}PaUtilHostBufferSizeMode;
-
-
-/** @brief An auxilliary data structure used internally by the buffer processor
- to represent host input and output buffers. */
-typedef struct PaUtilChannelDescriptor{
- void *data;
- unsigned int stride; /**< stride in samples, not bytes */
-}PaUtilChannelDescriptor;
-
-
-/** @brief The main buffer processor data structure.
-
- Allocate one of these, initialize it with PaUtil_InitializeBufferProcessor
- and terminate it with PaUtil_TerminateBufferProcessor.
-*/
-typedef struct {
- unsigned long framesPerUserBuffer;
- unsigned long framesPerHostBuffer;
-
- PaUtilHostBufferSizeMode hostBufferSizeMode;
- int useNonAdaptingProcess;
- unsigned long framesPerTempBuffer;
-
- unsigned int inputChannelCount;
- unsigned int bytesPerHostInputSample;
- unsigned int bytesPerUserInputSample;
- int userInputIsInterleaved;
- PaUtilConverter *inputConverter;
- PaUtilZeroer *inputZeroer;
-
- unsigned int outputChannelCount;
- unsigned int bytesPerHostOutputSample;
- unsigned int bytesPerUserOutputSample;
- int userOutputIsInterleaved;
- PaUtilConverter *outputConverter;
- PaUtilZeroer *outputZeroer;
-
- unsigned long initialFramesInTempInputBuffer;
- unsigned long initialFramesInTempOutputBuffer;
-
- void *tempInputBuffer; /**< used for slips, block adaption, and conversion. */
- void **tempInputBufferPtrs; /**< storage for non-interleaved buffer pointers, NULL for interleaved user input */
- unsigned long framesInTempInputBuffer; /**< frames remaining in input buffer from previous adaption iteration */
-
- void *tempOutputBuffer; /**< used for slips, block adaption, and conversion. */
- void **tempOutputBufferPtrs; /**< storage for non-interleaved buffer pointers, NULL for interleaved user output */
- unsigned long framesInTempOutputBuffer; /**< frames remaining in input buffer from previous adaption iteration */
-
- PaStreamCallbackTimeInfo *timeInfo;
-
- PaStreamCallbackFlags callbackStatusFlags;
-
- unsigned long hostInputFrameCount[2];
- PaUtilChannelDescriptor *hostInputChannels[2]; /**< pointers to arrays of channel descriptors.
- pointers are NULL for half-duplex output processing.
- hostInputChannels[i].data is NULL when the caller
- calls PaUtil_SetNoInput()
- */
- unsigned long hostOutputFrameCount[2];
- PaUtilChannelDescriptor *hostOutputChannels[2]; /**< pointers to arrays of channel descriptors.
- pointers are NULL for half-duplex input processing.
- hostOutputChannels[i].data is NULL when the caller
- calls PaUtil_SetNoOutput()
- */
-
- PaUtilTriangularDitherGenerator ditherGenerator;
-
- double samplePeriod;
-
- PaStreamCallback *streamCallback;
- void *userData;
-} PaUtilBufferProcessor;
-
-
-/** @name Initialization, termination, resetting and info */
-/*@{*/
-
-/** Initialize a buffer processor's representation stored in a
- PaUtilBufferProcessor structure. Be sure to call
- PaUtil_TerminateBufferProcessor after finishing with a buffer processor.
-
- @param bufferProcessor The buffer processor structure to initialize.
-
- @param inputChannelCount The number of input channels as passed to
- Pa_OpenStream or 0 for an output-only stream.
-
- @param userInputSampleFormat Format of user input samples, as passed to
- Pa_OpenStream. This parameter is ignored for ouput-only streams.
-
- @param hostInputSampleFormat Format of host input samples. This parameter is
- ignored for output-only streams. See note about host buffer interleave below.
-
- @param outputChannelCount The number of output channels as passed to
- Pa_OpenStream or 0 for an input-only stream.
-
- @param userOutputSampleFormat Format of user output samples, as passed to
- Pa_OpenStream. This parameter is ignored for input-only streams.
-
- @param hostOutputSampleFormat Format of host output samples. This parameter is
- ignored for input-only streams. See note about host buffer interleave below.
-
- @param sampleRate Sample rate of the stream. The more accurate this is the
- better - it is used for updating time stamps when adapting buffers.
-
- @param streamFlags Stream flags as passed to Pa_OpenStream, this parameter is
- used for selecting special sample conversion options such as clipping and
- dithering.
-
- @param framesPerUserBuffer Number of frames per user buffer, as requested
- by the framesPerBuffer parameter to Pa_OpenStream. This parameter may be
- zero to indicate that the user will accept any (and varying) buffer sizes.
-
- @param framesPerHostBuffer Specifies the number of frames per host buffer
- for the fixed buffer size mode, and the maximum number of frames
- per host buffer for the bounded host buffer size mode. It is ignored for
- the other modes.
-
- @param hostBufferSizeMode A mode flag indicating the size variability of
- host buffers that will be passed to the buffer processor. See
- PaUtilHostBufferSizeMode for further details.
-
- @param streamCallback The user stream callback passed to Pa_OpenStream.
-
- @param userData The user data field passed to Pa_OpenStream.
-
- @note The interleave flag is ignored for host buffer formats. Host
- interleave is determined by the use of different SetInput and SetOutput
- functions.
-
- @return An error code indicating whether the initialization was successful.
- If the error code is not PaNoError, the buffer processor was not initialized
- and should not be used.
-
- @see Pa_OpenStream, PaUtilHostBufferSizeMode, PaUtil_TerminateBufferProcessor
-*/
-PaError PaUtil_InitializeBufferProcessor( PaUtilBufferProcessor* bufferProcessor,
- int inputChannelCount, PaSampleFormat userInputSampleFormat,
- PaSampleFormat hostInputSampleFormat,
- int outputChannelCount, PaSampleFormat userOutputSampleFormat,
- PaSampleFormat hostOutputSampleFormat,
- double sampleRate,
- PaStreamFlags streamFlags,
- unsigned long framesPerUserBuffer, /* 0 indicates don't care */
- unsigned long framesPerHostBuffer,
- PaUtilHostBufferSizeMode hostBufferSizeMode,
- PaStreamCallback *streamCallback, void *userData );
-
-
-/** Terminate a buffer processor's representation. Deallocates any temporary
- buffers allocated by PaUtil_InitializeBufferProcessor.
-
- @param bufferProcessor The buffer processor structure to terminate.
-
- @see PaUtil_InitializeBufferProcessor.
-*/
-void PaUtil_TerminateBufferProcessor( PaUtilBufferProcessor* bufferProcessor );
-
-
-/** Clear any internally buffered data. If you call
- PaUtil_InitializeBufferProcessor in your OpenStream routine, make sure you
- call PaUtil_ResetBufferProcessor in your StartStream call.
-
- @param bufferProcessor The buffer processor to reset.
-*/
-void PaUtil_ResetBufferProcessor( PaUtilBufferProcessor* bufferProcessor );
-
-
-/** Retrieve the input latency of a buffer processor.
-
- @param bufferProcessor The buffer processor examine.
-
- @return The input latency introduced by the buffer processor, in frames.
-
- @see PaUtil_GetBufferProcessorOutputLatency
-*/
-unsigned long PaUtil_GetBufferProcessorInputLatency( PaUtilBufferProcessor* bufferProcessor );
-
-/** Retrieve the output latency of a buffer processor.
-
- @param bufferProcessor The buffer processor examine.
-
- @return The output latency introduced by the buffer processor, in frames.
-
- @see PaUtil_GetBufferProcessorInputLatency
-*/
-unsigned long PaUtil_GetBufferProcessorOutputLatency( PaUtilBufferProcessor* bufferProcessor );
-
-/*@}*/
-
-
-/** @name Host buffer pointer configuration
-
- Functions to set host input and output buffers, used by both callback streams
- and blocking read/write streams.
-*/
-/*@{*/
-
-
-/** Set the number of frames in the input host buffer(s) specified by the
- PaUtil_Set*InputChannel functions.
-
- @param bufferProcessor The buffer processor.
-
- @param frameCount The number of host input frames. A 0 frameCount indicates to
- use the framesPerHostBuffer value passed to PaUtil_InitializeBufferProcessor.
-
- @see PaUtil_SetNoInput, PaUtil_SetInputChannel,
- PaUtil_SetInterleavedInputChannels, PaUtil_SetNonInterleavedInputChannel
-*/
-void PaUtil_SetInputFrameCount( PaUtilBufferProcessor* bufferProcessor,
- unsigned long frameCount );
-
-
-/** Indicate that no input is avalable. This function should be used when
- priming the output of a full-duplex stream opened with the
- paPrimeOutputBuffersUsingStreamCallback flag. Note that it is not necessary
- to call this or any othe PaUtil_Set*Input* functions for ouput-only streams.
-
- @param bufferProcessor The buffer processor.
-*/
-void PaUtil_SetNoInput( PaUtilBufferProcessor* bufferProcessor );
-
-
-/** Provide the buffer processor with a pointer to a host input channel.
-
- @param bufferProcessor The buffer processor.
- @param channel The channel number.
- @param data The buffer.
- @param stride The stride from one sample to the next, in samples. For
- interleaved host buffers, the stride will usually be the same as the number of
- channels in the buffer.
-*/
-void PaUtil_SetInputChannel( PaUtilBufferProcessor* bufferProcessor,
- unsigned int channel, void *data, unsigned int stride );
-
-
-/** Provide the buffer processor with a pointer to an number of interleaved
- host input channels.
-
- @param bufferProcessor The buffer processor.
- @param firstChannel The first channel number.
- @param data The buffer.
- @param channelCount The number of interleaved channels in the buffer. If
- channelCount is zero, the number of channels specified to
- PaUtil_InitializeBufferProcessor will be used.
-*/
-void PaUtil_SetInterleavedInputChannels( PaUtilBufferProcessor* bufferProcessor,
- unsigned int firstChannel, void *data, unsigned int channelCount );
-
-
-/** Provide the buffer processor with a pointer to one non-interleaved host
- output channel.
-
- @param bufferProcessor The buffer processor.
- @param channel The channel number.
- @param data The buffer.
-*/
-void PaUtil_SetNonInterleavedInputChannel( PaUtilBufferProcessor* bufferProcessor,
- unsigned int channel, void *data );
-
-
-/** Use for the second buffer half when the input buffer is split in two halves.
- @see PaUtil_SetInputFrameCount
-*/
-void PaUtil_Set2ndInputFrameCount( PaUtilBufferProcessor* bufferProcessor,
- unsigned long frameCount );
-
-/** Use for the second buffer half when the input buffer is split in two halves.
- @see PaUtil_SetInputChannel
-*/
-void PaUtil_Set2ndInputChannel( PaUtilBufferProcessor* bufferProcessor,
- unsigned int channel, void *data, unsigned int stride );
-
-/** Use for the second buffer half when the input buffer is split in two halves.
- @see PaUtil_SetInterleavedInputChannels
-*/
-void PaUtil_Set2ndInterleavedInputChannels( PaUtilBufferProcessor* bufferProcessor,
- unsigned int firstChannel, void *data, unsigned int channelCount );
-
-/** Use for the second buffer half when the input buffer is split in two halves.
- @see PaUtil_SetNonInterleavedInputChannel
-*/
-void PaUtil_Set2ndNonInterleavedInputChannel( PaUtilBufferProcessor* bufferProcessor,
- unsigned int channel, void *data );
-
-
-/** Set the number of frames in the output host buffer(s) specified by the
- PaUtil_Set*OutputChannel functions.
-
- @param bufferProcessor The buffer processor.
-
- @param frameCount The number of host output frames. A 0 frameCount indicates to
- use the framesPerHostBuffer value passed to PaUtil_InitializeBufferProcessor.
-
- @see PaUtil_SetOutputChannel, PaUtil_SetInterleavedOutputChannels,
- PaUtil_SetNonInterleavedOutputChannel
-*/
-void PaUtil_SetOutputFrameCount( PaUtilBufferProcessor* bufferProcessor,
- unsigned long frameCount );
-
-
-/** Indicate that the output will be discarded. This function should be used
- when implementing the paNeverDropInput mode for full duplex streams.
-
- @param bufferProcessor The buffer processor.
-*/
-void PaUtil_SetNoOutput( PaUtilBufferProcessor* bufferProcessor );
-
-
-/** Provide the buffer processor with a pointer to a host output channel.
-
- @param bufferProcessor The buffer processor.
- @param channel The channel number.
- @param data The buffer.
- @param stride The stride from one sample to the next, in samples. For
- interleaved host buffers, the stride will usually be the same as the number of
- channels in the buffer.
-*/
-void PaUtil_SetOutputChannel( PaUtilBufferProcessor* bufferProcessor,
- unsigned int channel, void *data, unsigned int stride );
-
-
-/** Provide the buffer processor with a pointer to a number of interleaved
- host output channels.
-
- @param bufferProcessor The buffer processor.
- @param firstChannel The first channel number.
- @param data The buffer.
- @param channelCount The number of interleaved channels in the buffer. If
- channelCount is zero, the number of channels specified to
- PaUtil_InitializeBufferProcessor will be used.
-*/
-void PaUtil_SetInterleavedOutputChannels( PaUtilBufferProcessor* bufferProcessor,
- unsigned int firstChannel, void *data, unsigned int channelCount );
-
-
-/** Provide the buffer processor with a pointer to one non-interleaved host
- output channel.
-
- @param bufferProcessor The buffer processor.
- @param channel The channel number.
- @param data The buffer.
-*/
-void PaUtil_SetNonInterleavedOutputChannel( PaUtilBufferProcessor* bufferProcessor,
- unsigned int channel, void *data );
-
-
-/** Use for the second buffer half when the output buffer is split in two halves.
- @see PaUtil_SetOutputFrameCount
-*/
-void PaUtil_Set2ndOutputFrameCount( PaUtilBufferProcessor* bufferProcessor,
- unsigned long frameCount );
-
-/** Use for the second buffer half when the output buffer is split in two halves.
- @see PaUtil_SetOutputChannel
-*/
-void PaUtil_Set2ndOutputChannel( PaUtilBufferProcessor* bufferProcessor,
- unsigned int channel, void *data, unsigned int stride );
-
-/** Use for the second buffer half when the output buffer is split in two halves.
- @see PaUtil_SetInterleavedOutputChannels
-*/
-void PaUtil_Set2ndInterleavedOutputChannels( PaUtilBufferProcessor* bufferProcessor,
- unsigned int firstChannel, void *data, unsigned int channelCount );
-
-/** Use for the second buffer half when the output buffer is split in two halves.
- @see PaUtil_SetNonInterleavedOutputChannel
-*/
-void PaUtil_Set2ndNonInterleavedOutputChannel( PaUtilBufferProcessor* bufferProcessor,
- unsigned int channel, void *data );
-
-/*@}*/
-
-
-/** @name Buffer processing functions for callback streams
-*/
-/*@{*/
-
-/** Commence processing a host buffer (or a pair of host buffers in the
- full-duplex case) for a callback stream.
-
- @param bufferProcessor The buffer processor.
-
- @param timeInfo Timing information for the first sample of the host
- buffer(s). This information may be adjusted when buffer adaption is being
- performed.
-
- @param callbackStatusFlags Flags indicating whether underruns and overruns
- have occurred since the last time the buffer processor was called.
-*/
-void PaUtil_BeginBufferProcessing( PaUtilBufferProcessor* bufferProcessor,
- PaStreamCallbackTimeInfo* timeInfo, PaStreamCallbackFlags callbackStatusFlags );
-
-
-/** Finish processing a host buffer (or a pair of host buffers in the
- full-duplex case) for a callback stream.
-
- @param bufferProcessor The buffer processor.
-
- @param callbackResult On input, indicates a previous callback result, and on
- exit, the result of the user stream callback, if it is called.
- On entry callbackResult should contain one of { paContinue, paComplete, or
- paAbort}. If paComplete is passed, the stream callback will not be called
- but any audio that was generated by previous stream callbacks will be copied
- to the output buffer(s). You can check whether the buffer processor's internal
- buffer is empty by calling PaUtil_IsBufferProcessorOutputEmpty.
-
- If the stream callback is called its result is stored in *callbackResult. If
- the stream callback returns paComplete or paAbort, all output buffers will be
- full of valid data - some of which may be zeros to acount for data that
- wasn't generated by the terminating callback.
-
- @return The number of frames processed. This usually corresponds to the
- number of frames specified by the PaUtil_Set*FrameCount functions, exept in
- the paUtilVariableHostBufferSizePartialUsageAllowed buffer size mode when a
- smaller value may be returned.
-*/
-unsigned long PaUtil_EndBufferProcessing( PaUtilBufferProcessor* bufferProcessor,
- int *callbackResult );
-
-
-/** Determine whether any callback generated output remains in the bufffer
- processor's internal buffers. This method may be used to determine when to
- continue calling PaUtil_EndBufferProcessing() after the callback has returned
- a callbackResult of paComplete.
-
- @param bufferProcessor The buffer processor.
-
- @return Returns non-zero when callback generated output remains in the internal
- buffer and zero (0) when there internal buffer contains no callback generated
- data.
-*/
-int PaUtil_IsBufferProcessorOutputEmpty( PaUtilBufferProcessor* bufferProcessor );
-
-/*@}*/
-
-
-/** @name Buffer processing functions for blocking read/write streams
-*/
-/*@{*/
-
-/** Copy samples from host input channels set up by the PaUtil_Set*InputChannels
- functions to a user supplied buffer. This function is intended for use with
- blocking read/write streams. Copies the minimum of the number of
- user frames (specified by the frameCount parameter) and the number of available
- host frames (specified in a previous call to SetInputFrameCount()).
-
- @param bufferProcessor The buffer processor.
-
- @param buffer A pointer to the user buffer pointer, or a pointer to a pointer
- to an array of user buffer pointers for a non-interleaved stream. It is
- important that this parameter points to a copy of the user buffer pointers,
- not to the actual user buffer pointers, because this function updates the
- pointers before returning.
-
- @param frameCount The number of frames of data in the buffer(s) pointed to by
- the buffer parameter.
-
- @return The number of frames copied. The buffer pointer(s) pointed to by the
- buffer parameter are advanced to point to the frame(s) following the last one
- filled.
-*/
-unsigned long PaUtil_CopyInput( PaUtilBufferProcessor* bufferProcessor,
- void **buffer, unsigned long frameCount );
-
-
-/* Copy samples from a user supplied buffer to host output channels set up by
- the PaUtil_Set*OutputChannels functions. This function is intended for use with
- blocking read/write streams. Copies the minimum of the number of
- user frames (specified by the frameCount parameter) and the number of
- host frames (specified in a previous call to SetOutputFrameCount()).
-
- @param bufferProcessor The buffer processor.
-
- @param buffer A pointer to the user buffer pointer, or a pointer to a pointer
- to an array of user buffer pointers for a non-interleaved stream. It is
- important that this parameter points to a copy of the user buffer pointers,
- not to the actual user buffer pointers, because this function updates the
- pointers before returning.
-
- @param frameCount The number of frames of data in the buffer(s) pointed to by
- the buffer parameter.
-
- @return The number of frames copied. The buffer pointer(s) pointed to by the
- buffer parameter are advanced to point to the frame(s) following the last one
- copied.
-*/
-unsigned long PaUtil_CopyOutput( PaUtilBufferProcessor* bufferProcessor,
- const void ** buffer, unsigned long frameCount );
-
-
-/* Zero samples in host output channels set up by the PaUtil_Set*OutputChannels
- functions. This function is useful for flushing streams.
- Zeros the minimum of frameCount and the number of host frames specified in a
- previous call to SetOutputFrameCount().
-
- @param bufferProcessor The buffer processor.
-
- @param frameCount The maximum number of frames to zero.
-
- @return The number of frames zeroed.
-*/
-unsigned long PaUtil_ZeroOutput( PaUtilBufferProcessor* bufferProcessor,
- unsigned long frameCount );
-
-
-/*@}*/
-
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
-#endif /* PA_PROCESS_H */
diff --git a/src/audio/portaudio/pa_common/pa_skeleton.c b/src/audio/portaudio/pa_common/pa_skeleton.c
deleted file mode 100644
index 51f95c8a32..0000000000
--- a/src/audio/portaudio/pa_common/pa_skeleton.c
+++ /dev/null
@@ -1,807 +0,0 @@
-/*
- * $Id$
- * Portable Audio I/O Library skeleton implementation
- * demonstrates how to use the common functions to implement support
- * for a host API
- *
- * Based on the Open Source API proposed by Ross Bencina
- * Copyright (c) 1999-2002 Ross Bencina, Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/** @file
- @brief Skeleton implementation of support for a host API.
-
- @note This file is provided as a starting point for implementing support for
- a new host API. IMPLEMENT ME comments are used to indicate functionality
- which much be customised for each implementation.
-*/
-
-
-#include <string.h> /* strlen() */
-
-#include "pa_util.h"
-#include "pa_allocation.h"
-#include "pa_hostapi.h"
-#include "pa_stream.h"
-#include "pa_cpuload.h"
-#include "pa_process.h"
-
-
-/* prototypes for functions declared in this file */
-
-#ifdef __cplusplus
-extern "C"
-{
-#endif /* __cplusplus */
-
-PaError PaSkeleton_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiIndex index );
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
-
-
-static void Terminate( struct PaUtilHostApiRepresentation *hostApi );
-static PaError IsFormatSupported( struct PaUtilHostApiRepresentation *hostApi,
- const PaStreamParameters *inputParameters,
- const PaStreamParameters *outputParameters,
- double sampleRate );
-static PaError OpenStream( struct PaUtilHostApiRepresentation *hostApi,
- PaStream** s,
- const PaStreamParameters *inputParameters,
- const PaStreamParameters *outputParameters,
- double sampleRate,
- unsigned long framesPerBuffer,
- PaStreamFlags streamFlags,
- PaStreamCallback *streamCallback,
- void *userData );
-static PaError CloseStream( PaStream* stream );
-static PaError StartStream( PaStream *stream );
-static PaError StopStream( PaStream *stream );
-static PaError AbortStream( PaStream *stream );
-static PaError IsStreamStopped( PaStream *s );
-static PaError IsStreamActive( PaStream *stream );
-static PaTime GetStreamTime( PaStream *stream );
-static double GetStreamCpuLoad( PaStream* stream );
-static PaError ReadStream( PaStream* stream, void *buffer, unsigned long frames );
-static PaError WriteStream( PaStream* stream, const void *buffer, unsigned long frames );
-static signed long GetStreamReadAvailable( PaStream* stream );
-static signed long GetStreamWriteAvailable( PaStream* stream );
-
-
-/* IMPLEMENT ME: a macro like the following one should be used for reporting
- host errors */
-#define PA_SKELETON_SET_LAST_HOST_ERROR( errorCode, errorText ) \
- PaUtil_SetLastHostErrorInfo( paInDevelopment, errorCode, errorText )
-
-/* PaSkeletonHostApiRepresentation - host api datastructure specific to this implementation */
-
-typedef struct
-{
- PaUtilHostApiRepresentation inheritedHostApiRep;
- PaUtilStreamInterface callbackStreamInterface;
- PaUtilStreamInterface blockingStreamInterface;
-
- PaUtilAllocationGroup *allocations;
-
- /* implementation specific data goes here */
-}
-PaSkeletonHostApiRepresentation; /* IMPLEMENT ME: rename this */
-
-
-PaError PaSkeleton_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiIndex hostApiIndex )
-{
- PaError result = paNoError;
- int i, deviceCount;
- PaSkeletonHostApiRepresentation *skeletonHostApi;
- PaDeviceInfo *deviceInfoArray;
-
- skeletonHostApi = (PaSkeletonHostApiRepresentation*)PaUtil_AllocateMemory( sizeof(PaSkeletonHostApiRepresentation) );
- if( !skeletonHostApi )
- {
- result = paInsufficientMemory;
- goto error;
- }
-
- skeletonHostApi->allocations = PaUtil_CreateAllocationGroup();
- if( !skeletonHostApi->allocations )
- {
- result = paInsufficientMemory;
- goto error;
- }
-
- *hostApi = &skeletonHostApi->inheritedHostApiRep;
- (*hostApi)->info.structVersion = 1;
- (*hostApi)->info.type = paInDevelopment; /* IMPLEMENT ME: change to correct type id */
- (*hostApi)->info.name = "skeleton implementation"; /* IMPLEMENT ME: change to correct name */
-
- (*hostApi)->info.defaultInputDevice = paNoDevice; /* IMPLEMENT ME */
- (*hostApi)->info.defaultOutputDevice = paNoDevice; /* IMPLEMENT ME */
-
- (*hostApi)->info.deviceCount = 0;
-
- deviceCount = 0; /* IMPLEMENT ME */
-
- if( deviceCount > 0 )
- {
- (*hostApi)->deviceInfos = (PaDeviceInfo**)PaUtil_GroupAllocateMemory(
- skeletonHostApi->allocations, sizeof(PaDeviceInfo*) * deviceCount );
- if( !(*hostApi)->deviceInfos )
- {
- result = paInsufficientMemory;
- goto error;
- }
-
- /* allocate all device info structs in a contiguous block */
- deviceInfoArray = (PaDeviceInfo*)PaUtil_GroupAllocateMemory(
- skeletonHostApi->allocations, sizeof(PaDeviceInfo) * deviceCount );
- if( !deviceInfoArray )
- {
- result = paInsufficientMemory;
- goto error;
- }
-
- for( i=0; i < deviceCount; ++i )
- {
- PaDeviceInfo *deviceInfo = &deviceInfoArray[i];
- deviceInfo->structVersion = 2;
- deviceInfo->hostApi = hostApiIndex;
- deviceInfo->name = 0; /* IMPLEMENT ME: allocate block and copy name eg:
- deviceName = (char*)PaUtil_GroupAllocateMemory( skeletonHostApi->allocations, strlen(srcName) + 1 );
- if( !deviceName )
- {
- result = paInsufficientMemory;
- goto error;
- }
- strcpy( deviceName, srcName );
- deviceInfo->name = deviceName;
- */
-
- deviceInfo->maxInputChannels = 0; /* IMPLEMENT ME */
- deviceInfo->maxOutputChannels = 0; /* IMPLEMENT ME */
-
- deviceInfo->defaultLowInputLatency = 0.; /* IMPLEMENT ME */
- deviceInfo->defaultLowOutputLatency = 0.; /* IMPLEMENT ME */
- deviceInfo->defaultHighInputLatency = 0.; /* IMPLEMENT ME */
- deviceInfo->defaultHighOutputLatency = 0.; /* IMPLEMENT ME */
-
- deviceInfo->defaultSampleRate = 0.; /* IMPLEMENT ME */
-
- (*hostApi)->deviceInfos[i] = deviceInfo;
- ++(*hostApi)->info.deviceCount;
- }
- }
-
- (*hostApi)->Terminate = Terminate;
- (*hostApi)->OpenStream = OpenStream;
- (*hostApi)->IsFormatSupported = IsFormatSupported;
-
- PaUtil_InitializeStreamInterface( &skeletonHostApi->callbackStreamInterface, CloseStream, StartStream,
- StopStream, AbortStream, IsStreamStopped, IsStreamActive,
- GetStreamTime, GetStreamCpuLoad,
- PaUtil_DummyRead, PaUtil_DummyWrite,
- PaUtil_DummyGetReadAvailable, PaUtil_DummyGetWriteAvailable );
-
- PaUtil_InitializeStreamInterface( &skeletonHostApi->blockingStreamInterface, CloseStream, StartStream,
- StopStream, AbortStream, IsStreamStopped, IsStreamActive,
- GetStreamTime, PaUtil_DummyGetCpuLoad,
- ReadStream, WriteStream, GetStreamReadAvailable, GetStreamWriteAvailable );
-
- return result;
-
-error:
- if( skeletonHostApi )
- {
- if( skeletonHostApi->allocations )
- {
- PaUtil_FreeAllAllocations( skeletonHostApi->allocations );
- PaUtil_DestroyAllocationGroup( skeletonHostApi->allocations );
- }
-
- PaUtil_FreeMemory( skeletonHostApi );
- }
- return result;
-}
-
-
-static void Terminate( struct PaUtilHostApiRepresentation *hostApi )
-{
- PaSkeletonHostApiRepresentation *skeletonHostApi = (PaSkeletonHostApiRepresentation*)hostApi;
-
- /*
- IMPLEMENT ME:
- - clean up any resources not handled by the allocation group
- */
-
- if( skeletonHostApi->allocations )
- {
- PaUtil_FreeAllAllocations( skeletonHostApi->allocations );
- PaUtil_DestroyAllocationGroup( skeletonHostApi->allocations );
- }
-
- PaUtil_FreeMemory( skeletonHostApi );
-}
-
-
-static PaError IsFormatSupported( struct PaUtilHostApiRepresentation *hostApi,
- const PaStreamParameters *inputParameters,
- const PaStreamParameters *outputParameters,
- double sampleRate )
-{
- int inputChannelCount, outputChannelCount;
- PaSampleFormat inputSampleFormat, outputSampleFormat;
-
- if( inputParameters )
- {
- inputChannelCount = inputParameters->channelCount;
- inputSampleFormat = inputParameters->sampleFormat;
-
- /* all standard sample formats are supported by the buffer adapter,
- this implementation doesn't support any custom sample formats */
- if( inputSampleFormat & paCustomFormat )
- return paSampleFormatNotSupported;
-
- /* unless alternate device specification is supported, reject the use of
- paUseHostApiSpecificDeviceSpecification */
-
- if( inputParameters->device == paUseHostApiSpecificDeviceSpecification )
- return paInvalidDevice;
-
- /* check that input device can support inputChannelCount */
- if( inputChannelCount > hostApi->deviceInfos[ inputParameters->device ]->maxInputChannels )
- return paInvalidChannelCount;
-
- /* validate inputStreamInfo */
- if( inputParameters->hostApiSpecificStreamInfo )
- return paIncompatibleHostApiSpecificStreamInfo; /* this implementation doesn't use custom stream info */
- }
- else
- {
- inputChannelCount = 0;
- }
-
- if( outputParameters )
- {
- outputChannelCount = outputParameters->channelCount;
- outputSampleFormat = outputParameters->sampleFormat;
-
- /* all standard sample formats are supported by the buffer adapter,
- this implementation doesn't support any custom sample formats */
- if( outputSampleFormat & paCustomFormat )
- return paSampleFormatNotSupported;
-
- /* unless alternate device specification is supported, reject the use of
- paUseHostApiSpecificDeviceSpecification */
-
- if( outputParameters->device == paUseHostApiSpecificDeviceSpecification )
- return paInvalidDevice;
-
- /* check that output device can support outputChannelCount */
- if( outputChannelCount > hostApi->deviceInfos[ outputParameters->device ]->maxOutputChannels )
- return paInvalidChannelCount;
-
- /* validate outputStreamInfo */
- if( outputParameters->hostApiSpecificStreamInfo )
- return paIncompatibleHostApiSpecificStreamInfo; /* this implementation doesn't use custom stream info */
- }
- else
- {
- outputChannelCount = 0;
- }
-
- /*
- IMPLEMENT ME:
-
- - if a full duplex stream is requested, check that the combination
- of input and output parameters is supported if necessary
-
- - check that the device supports sampleRate
-
- Because the buffer adapter handles conversion between all standard
- sample formats, the following checks are only required if paCustomFormat
- is implemented, or under some other unusual conditions.
-
- - check that input device can support inputSampleFormat, or that
- we have the capability to convert from inputSampleFormat to
- a native format
-
- - check that output device can support outputSampleFormat, or that
- we have the capability to convert from outputSampleFormat to
- a native format
- */
-
-
- /* suppress unused variable warnings */
- (void) sampleRate;
-
- return paFormatIsSupported;
-}
-
-/* PaSkeletonStream - a stream data structure specifically for this implementation */
-
-typedef struct PaSkeletonStream
-{ /* IMPLEMENT ME: rename this */
- PaUtilStreamRepresentation streamRepresentation;
- PaUtilCpuLoadMeasurer cpuLoadMeasurer;
- PaUtilBufferProcessor bufferProcessor;
-
- /* IMPLEMENT ME:
- - implementation specific data goes here
- */
- unsigned long framesPerHostCallback; /* just an example */
-}
-PaSkeletonStream;
-
-/* see pa_hostapi.h for a list of validity guarantees made about OpenStream parameters */
-
-static PaError OpenStream( struct PaUtilHostApiRepresentation *hostApi,
- PaStream** s,
- const PaStreamParameters *inputParameters,
- const PaStreamParameters *outputParameters,
- double sampleRate,
- unsigned long framesPerBuffer,
- PaStreamFlags streamFlags,
- PaStreamCallback *streamCallback,
- void *userData )
-{
- PaError result = paNoError;
- PaSkeletonHostApiRepresentation *skeletonHostApi = (PaSkeletonHostApiRepresentation*)hostApi;
- PaSkeletonStream *stream = 0;
- unsigned long framesPerHostBuffer = framesPerBuffer; /* these may not be equivalent for all implementations */
- int inputChannelCount, outputChannelCount;
- PaSampleFormat inputSampleFormat, outputSampleFormat;
- PaSampleFormat hostInputSampleFormat, hostOutputSampleFormat;
-
-
- if( inputParameters )
- {
- inputChannelCount = inputParameters->channelCount;
- inputSampleFormat = inputParameters->sampleFormat;
-
- /* unless alternate device specification is supported, reject the use of
- paUseHostApiSpecificDeviceSpecification */
-
- if( inputParameters->device == paUseHostApiSpecificDeviceSpecification )
- return paInvalidDevice;
-
- /* check that input device can support inputChannelCount */
- if( inputChannelCount > hostApi->deviceInfos[ inputParameters->device ]->maxInputChannels )
- return paInvalidChannelCount;
-
- /* validate inputStreamInfo */
- if( inputParameters->hostApiSpecificStreamInfo )
- return paIncompatibleHostApiSpecificStreamInfo; /* this implementation doesn't use custom stream info */
-
- /* IMPLEMENT ME - establish which host formats are available */
- hostInputSampleFormat =
- PaUtil_SelectClosestAvailableFormat( paInt16 /* native formats */, inputSampleFormat );
- }
- else
- {
- inputChannelCount = 0;
- inputSampleFormat = hostInputSampleFormat = paInt16; /* Surpress 'uninitialised var' warnings. */
- }
-
- if( outputParameters )
- {
- outputChannelCount = outputParameters->channelCount;
- outputSampleFormat = outputParameters->sampleFormat;
-
- /* unless alternate device specification is supported, reject the use of
- paUseHostApiSpecificDeviceSpecification */
-
- if( outputParameters->device == paUseHostApiSpecificDeviceSpecification )
- return paInvalidDevice;
-
- /* check that output device can support inputChannelCount */
- if( outputChannelCount > hostApi->deviceInfos[ outputParameters->device ]->maxOutputChannels )
- return paInvalidChannelCount;
-
- /* validate outputStreamInfo */
- if( outputParameters->hostApiSpecificStreamInfo )
- return paIncompatibleHostApiSpecificStreamInfo; /* this implementation doesn't use custom stream info */
-
- /* IMPLEMENT ME - establish which host formats are available */
- hostOutputSampleFormat =
- PaUtil_SelectClosestAvailableFormat( paInt16 /* native formats */, outputSampleFormat );
- }
- else
- {
- outputChannelCount = 0;
- outputSampleFormat = hostOutputSampleFormat = paInt16; /* Surpress 'uninitialized var' warnings. */
- }
-
- /*
- IMPLEMENT ME:
-
- ( the following two checks are taken care of by PaUtil_InitializeBufferProcessor() FIXME - checks needed? )
-
- - check that input device can support inputSampleFormat, or that
- we have the capability to convert from outputSampleFormat to
- a native format
-
- - check that output device can support outputSampleFormat, or that
- we have the capability to convert from outputSampleFormat to
- a native format
-
- - if a full duplex stream is requested, check that the combination
- of input and output parameters is supported
-
- - check that the device supports sampleRate
-
- - alter sampleRate to a close allowable rate if possible / necessary
-
- - validate suggestedInputLatency and suggestedOutputLatency parameters,
- use default values where necessary
- */
-
-
-
-
- /* validate platform specific flags */
- if( (streamFlags & paPlatformSpecificFlags) != 0 )
- return paInvalidFlag; /* unexpected platform specific flag */
-
-
- stream = (PaSkeletonStream*)PaUtil_AllocateMemory( sizeof(PaSkeletonStream) );
- if( !stream )
- {
- result = paInsufficientMemory;
- goto error;
- }
-
- if( streamCallback )
- {
- PaUtil_InitializeStreamRepresentation( &stream->streamRepresentation,
- &skeletonHostApi->callbackStreamInterface, streamCallback, userData );
- }
- else
- {
- PaUtil_InitializeStreamRepresentation( &stream->streamRepresentation,
- &skeletonHostApi->blockingStreamInterface, streamCallback, userData );
- }
-
- PaUtil_InitializeCpuLoadMeasurer( &stream->cpuLoadMeasurer, sampleRate );
-
-
- /* we assume a fixed host buffer size in this example, but the buffer processor
- can also support bounded and unknown host buffer sizes by passing
- paUtilBoundedHostBufferSize or paUtilUnknownHostBufferSize instead of
- paUtilFixedHostBufferSize below. */
-
- result = PaUtil_InitializeBufferProcessor( &stream->bufferProcessor,
- inputChannelCount, inputSampleFormat, hostInputSampleFormat,
- outputChannelCount, outputSampleFormat, hostOutputSampleFormat,
- sampleRate, streamFlags, framesPerBuffer,
- framesPerHostBuffer, paUtilFixedHostBufferSize,
- streamCallback, userData );
- if( result != paNoError )
- goto error;
-
-
- /*
- IMPLEMENT ME: initialise the following fields with estimated or actual
- values.
- */
- stream->streamRepresentation.streamInfo.inputLatency =
- PaUtil_GetBufferProcessorInputLatency(&stream->bufferProcessor);
- stream->streamRepresentation.streamInfo.outputLatency =
- PaUtil_GetBufferProcessorOutputLatency(&stream->bufferProcessor);
- stream->streamRepresentation.streamInfo.sampleRate = sampleRate;
-
-
- /*
- IMPLEMENT ME:
- - additional stream setup + opening
- */
-
- stream->framesPerHostCallback = framesPerHostBuffer;
-
- *s = (PaStream*)stream;
-
- return result;
-
-error:
- if( stream )
- PaUtil_FreeMemory( stream );
-
- return result;
-}
-
-/*
- ExampleHostProcessingLoop() illustrates the kind of processing which may
- occur in a host implementation.
-
-*/
-static void ExampleHostProcessingLoop( void *inputBuffer, void *outputBuffer, void *userData )
-{
- PaSkeletonStream *stream = (PaSkeletonStream*)userData;
- PaStreamCallbackTimeInfo timeInfo = {0,0,0}; /* IMPLEMENT ME */
- int callbackResult;
- unsigned long framesProcessed;
-
- PaUtil_BeginCpuLoadMeasurement( &stream->cpuLoadMeasurer );
-
- /*
- IMPLEMENT ME:
- - generate timing information
- - handle buffer slips
- */
-
- /*
- If you need to byte swap or shift inputBuffer to convert it into a
- portaudio format, do it here.
- */
-
-
-
- PaUtil_BeginBufferProcessing( &stream->bufferProcessor, &timeInfo, 0 /* IMPLEMENT ME: pass underflow/overflow flags when necessary */ );
-
- /*
- depending on whether the host buffers are interleaved, non-interleaved
- or a mixture, you will want to call PaUtil_SetInterleaved*Channels(),
- PaUtil_SetNonInterleaved*Channel() or PaUtil_Set*Channel() here.
- */
-
- PaUtil_SetInputFrameCount( &stream->bufferProcessor, 0 /* default to host buffer size */ );
- PaUtil_SetInterleavedInputChannels( &stream->bufferProcessor,
- 0, /* first channel of inputBuffer is channel 0 */
- inputBuffer,
- 0 ); /* 0 - use inputChannelCount passed to init buffer processor */
-
- PaUtil_SetOutputFrameCount( &stream->bufferProcessor, 0 /* default to host buffer size */ );
- PaUtil_SetInterleavedOutputChannels( &stream->bufferProcessor,
- 0, /* first channel of outputBuffer is channel 0 */
- outputBuffer,
- 0 ); /* 0 - use outputChannelCount passed to init buffer processor */
-
- /* you must pass a valid value of callback result to PaUtil_EndBufferProcessing()
- in general you would pass paContinue for normal operation, and
- paComplete to drain the buffer processor's internal output buffer.
- You can check whether the buffer processor's output buffer is empty
- using PaUtil_IsBufferProcessorOuputEmpty( bufferProcessor )
- */
- callbackResult = paContinue;
- framesProcessed = PaUtil_EndBufferProcessing( &stream->bufferProcessor, &callbackResult );
-
-
- /*
- If you need to byte swap or shift outputBuffer to convert it to
- host format, do it here.
- */
-
- PaUtil_EndCpuLoadMeasurement( &stream->cpuLoadMeasurer, framesProcessed );
-
-
- if( callbackResult == paContinue )
- {
- /* nothing special to do */
- }
- else if( callbackResult == paAbort )
- {
- /* IMPLEMENT ME - finish playback immediately */
-
- /* once finished, call the finished callback */
- if( stream->streamRepresentation.streamFinishedCallback != 0 )
- stream->streamRepresentation.streamFinishedCallback( stream->streamRepresentation.userData );
- }
- else
- {
- /* User callback has asked us to stop with paComplete or other non-zero value */
-
- /* IMPLEMENT ME - finish playback once currently queued audio has completed */
-
- /* once finished, call the finished callback */
- if( stream->streamRepresentation.streamFinishedCallback != 0 )
- stream->streamRepresentation.streamFinishedCallback( stream->streamRepresentation.userData );
- }
-}
-
-
-/*
- When CloseStream() is called, the multi-api layer ensures that
- the stream has already been stopped or aborted.
-*/
-static PaError CloseStream( PaStream* s )
-{
- PaError result = paNoError;
- PaSkeletonStream *stream = (PaSkeletonStream*)s;
-
- /*
- IMPLEMENT ME:
- - additional stream closing + cleanup
- */
-
- PaUtil_TerminateBufferProcessor( &stream->bufferProcessor );
- PaUtil_TerminateStreamRepresentation( &stream->streamRepresentation );
- PaUtil_FreeMemory( stream );
-
- return result;
-}
-
-
-static PaError StartStream( PaStream *s )
-{
- PaError result = paNoError;
- PaSkeletonStream *stream = (PaSkeletonStream*)s;
-
- PaUtil_ResetBufferProcessor( &stream->bufferProcessor );
-
- /* IMPLEMENT ME, see portaudio.h for required behavior */
-
- /* suppress unused function warning. the code in ExampleHostProcessingLoop or
- something similar should be implemented to feed samples to and from the
- host after StartStream() is called.
- */
- (void) ExampleHostProcessingLoop;
-
- return result;
-}
-
-
-static PaError StopStream( PaStream *s )
-{
- PaError result = paNoError;
- PaSkeletonStream *stream = (PaSkeletonStream*)s;
-
- /* suppress unused variable warnings */
- (void) stream;
-
- /* IMPLEMENT ME, see portaudio.h for required behavior */
-
- return result;
-}
-
-
-static PaError AbortStream( PaStream *s )
-{
- PaError result = paNoError;
- PaSkeletonStream *stream = (PaSkeletonStream*)s;
-
- /* suppress unused variable warnings */
- (void) stream;
-
- /* IMPLEMENT ME, see portaudio.h for required behavior */
-
- return result;
-}
-
-
-static PaError IsStreamStopped( PaStream *s )
-{
- PaSkeletonStream *stream = (PaSkeletonStream*)s;
-
- /* suppress unused variable warnings */
- (void) stream;
-
- /* IMPLEMENT ME, see portaudio.h for required behavior */
-
- return 0;
-}
-
-
-static PaError IsStreamActive( PaStream *s )
-{
- PaSkeletonStream *stream = (PaSkeletonStream*)s;
-
- /* suppress unused variable warnings */
- (void) stream;
-
- /* IMPLEMENT ME, see portaudio.h for required behavior */
-
- return 0;
-}
-
-
-static PaTime GetStreamTime( PaStream *s )
-{
- PaSkeletonStream *stream = (PaSkeletonStream*)s;
-
- /* suppress unused variable warnings */
- (void) stream;
-
- /* IMPLEMENT ME, see portaudio.h for required behavior*/
-
- return 0;
-}
-
-
-static double GetStreamCpuLoad( PaStream* s )
-{
- PaSkeletonStream *stream = (PaSkeletonStream*)s;
-
- return PaUtil_GetCpuLoad( &stream->cpuLoadMeasurer );
-}
-
-
-/*
- As separate stream interfaces are used for blocking and callback
- streams, the following functions can be guaranteed to only be called
- for blocking streams.
-*/
-
-static PaError ReadStream( PaStream* s,
- void *buffer,
- unsigned long frames )
-{
- PaSkeletonStream *stream = (PaSkeletonStream*)s;
-
- /* suppress unused variable warnings */
- (void) buffer;
- (void) frames;
- (void) stream;
-
- /* IMPLEMENT ME, see portaudio.h for required behavior*/
-
- return paNoError;
-}
-
-
-static PaError WriteStream( PaStream* s,
- const void *buffer,
- unsigned long frames )
-{
- PaSkeletonStream *stream = (PaSkeletonStream*)s;
-
- /* suppress unused variable warnings */
- (void) buffer;
- (void) frames;
- (void) stream;
-
- /* IMPLEMENT ME, see portaudio.h for required behavior*/
-
- return paNoError;
-}
-
-
-static signed long GetStreamReadAvailable( PaStream* s )
-{
- PaSkeletonStream *stream = (PaSkeletonStream*)s;
-
- /* suppress unused variable warnings */
- (void) stream;
-
- /* IMPLEMENT ME, see portaudio.h for required behavior*/
-
- return 0;
-}
-
-
-static signed long GetStreamWriteAvailable( PaStream* s )
-{
- PaSkeletonStream *stream = (PaSkeletonStream*)s;
-
- /* suppress unused variable warnings */
- (void) stream;
-
- /* IMPLEMENT ME, see portaudio.h for required behavior*/
-
- return 0;
-}
-
-
-
-
diff --git a/src/audio/portaudio/pa_common/pa_stream.c b/src/audio/portaudio/pa_common/pa_stream.c
deleted file mode 100644
index e820671bc1..0000000000
--- a/src/audio/portaudio/pa_common/pa_stream.c
+++ /dev/null
@@ -1,141 +0,0 @@
-/*
- * $Id$
- * Portable Audio I/O Library
- *
- *
- * Based on the Open Source API proposed by Ross Bencina
- * Copyright (c) 2002 Ross Bencina
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/** @file
- @brief Interface used by pa_front to virtualize functions which operate on
- streams.
-*/
-
-
-#include "pa_stream.h"
-
-
-void PaUtil_InitializeStreamInterface( PaUtilStreamInterface *streamInterface,
- PaError (*Close)( PaStream* ),
- PaError (*Start)( PaStream* ),
- PaError (*Stop)( PaStream* ),
- PaError (*Abort)( PaStream* ),
- PaError (*IsStopped)( PaStream* ),
- PaError (*IsActive)( PaStream* ),
- PaTime (*GetTime)( PaStream* ),
- double (*GetCpuLoad)( PaStream* ),
- PaError (*Read)( PaStream*, void *, unsigned long ),
- PaError (*Write)( PaStream*, const void *, unsigned long ),
- signed long (*GetReadAvailable)( PaStream* ),
- signed long (*GetWriteAvailable)( PaStream* ) )
-{
- streamInterface->Close = Close;
- streamInterface->Start = Start;
- streamInterface->Stop = Stop;
- streamInterface->Abort = Abort;
- streamInterface->IsStopped = IsStopped;
- streamInterface->IsActive = IsActive;
- streamInterface->GetTime = GetTime;
- streamInterface->GetCpuLoad = GetCpuLoad;
- streamInterface->Read = Read;
- streamInterface->Write = Write;
- streamInterface->GetReadAvailable = GetReadAvailable;
- streamInterface->GetWriteAvailable = GetWriteAvailable;
-}
-
-
-void PaUtil_InitializeStreamRepresentation( PaUtilStreamRepresentation *streamRepresentation,
- PaUtilStreamInterface *streamInterface,
- PaStreamCallback *streamCallback,
- void *userData )
-{
- streamRepresentation->magic = PA_STREAM_MAGIC;
- streamRepresentation->nextOpenStream = 0;
- streamRepresentation->streamInterface = streamInterface;
- streamRepresentation->streamCallback = streamCallback;
- streamRepresentation->streamFinishedCallback = 0;
-
- streamRepresentation->userData = userData;
-
- streamRepresentation->streamInfo.inputLatency = 0.;
- streamRepresentation->streamInfo.outputLatency = 0.;
- streamRepresentation->streamInfo.sampleRate = 0.;
-}
-
-
-void PaUtil_TerminateStreamRepresentation( PaUtilStreamRepresentation *streamRepresentation )
-{
- streamRepresentation->magic = 0;
-}
-
-
-PaError PaUtil_DummyRead( PaStream* stream,
- void *buffer,
- unsigned long frames )
-{
- (void)stream; /* unused parameter */
- (void)buffer; /* unused parameter */
- (void)frames; /* unused parameter */
-
- return paCanNotReadFromACallbackStream;
-}
-
-
-PaError PaUtil_DummyWrite( PaStream* stream,
- const void *buffer,
- unsigned long frames )
-{
- (void)stream; /* unused parameter */
- (void)buffer; /* unused parameter */
- (void)frames; /* unused parameter */
-
- return paCanNotWriteToACallbackStream;
-}
-
-
-signed long PaUtil_DummyGetReadAvailable( PaStream* stream )
-{
- (void)stream; /* unused parameter */
-
- return paCanNotReadFromACallbackStream;
-}
-
-
-signed long PaUtil_DummyGetWriteAvailable( PaStream* stream )
-{
- (void)stream; /* unused parameter */
-
- return paCanNotWriteToACallbackStream;
-}
-
-
-double PaUtil_DummyGetCpuLoad( PaStream* stream )
-{
- (void)stream; /* unused parameter */
-
- return 0.0;
-}
diff --git a/src/audio/portaudio/pa_common/pa_stream.h b/src/audio/portaudio/pa_common/pa_stream.h
deleted file mode 100644
index aaf89cf210..0000000000
--- a/src/audio/portaudio/pa_common/pa_stream.h
+++ /dev/null
@@ -1,196 +0,0 @@
-#ifndef PA_STREAM_H
-#define PA_STREAM_H
-/*
- * $Id$
- * Portable Audio I/O Library
- * stream interface
- *
- * Based on the Open Source API proposed by Ross Bencina
- * Copyright (c) 1999-2002 Ross Bencina, Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/** @file
- @brief Interface used by pa_front to virtualize functions which operate on
- streams.
-*/
-
-
-#include "portaudio.h"
-
-#ifdef __cplusplus
-extern "C"
-{
-#endif /* __cplusplus */
-
-
-#define PA_STREAM_MAGIC (0x18273645)
-
-
-/** A structure representing an (abstract) interface to a host API. Contains
- pointers to functions which implement the interface.
-
- All PaStreamInterface functions are guaranteed to be called with a non-null,
- valid stream parameter.
-*/
-typedef struct {
- PaError (*Close)( PaStream* stream );
- PaError (*Start)( PaStream *stream );
- PaError (*Stop)( PaStream *stream );
- PaError (*Abort)( PaStream *stream );
- PaError (*IsStopped)( PaStream *stream );
- PaError (*IsActive)( PaStream *stream );
- PaTime (*GetTime)( PaStream *stream );
- double (*GetCpuLoad)( PaStream* stream );
- PaError (*Read)( PaStream* stream, void *buffer, unsigned long frames );
- PaError (*Write)( PaStream* stream, const void *buffer, unsigned long frames );
- signed long (*GetReadAvailable)( PaStream* stream );
- signed long (*GetWriteAvailable)( PaStream* stream );
-} PaUtilStreamInterface;
-
-
-/** Initialize the fields of a PaUtilStreamInterface structure.
-*/
-void PaUtil_InitializeStreamInterface( PaUtilStreamInterface *streamInterface,
- PaError (*Close)( PaStream* ),
- PaError (*Start)( PaStream* ),
- PaError (*Stop)( PaStream* ),
- PaError (*Abort)( PaStream* ),
- PaError (*IsStopped)( PaStream* ),
- PaError (*IsActive)( PaStream* ),
- PaTime (*GetTime)( PaStream* ),
- double (*GetCpuLoad)( PaStream* ),
- PaError (*Read)( PaStream* stream, void *buffer, unsigned long frames ),
- PaError (*Write)( PaStream* stream, const void *buffer, unsigned long frames ),
- signed long (*GetReadAvailable)( PaStream* stream ),
- signed long (*GetWriteAvailable)( PaStream* stream ) );
-
-
-/** Dummy Read function for use in interfaces to a callback based streams.
- Pass to the Read parameter of PaUtil_InitializeStreamInterface.
- @return An error code indicating that the function has no effect
- because the stream is a callback stream.
-*/
-PaError PaUtil_DummyRead( PaStream* stream,
- void *buffer,
- unsigned long frames );
-
-
-/** Dummy Write function for use in an interfaces to callback based streams.
- Pass to the Write parameter of PaUtil_InitializeStreamInterface.
- @return An error code indicating that the function has no effect
- because the stream is a callback stream.
-*/
-PaError PaUtil_DummyWrite( PaStream* stream,
- const void *buffer,
- unsigned long frames );
-
-
-/** Dummy GetReadAvailable function for use in interfaces to callback based
- streams. Pass to the GetReadAvailable parameter of PaUtil_InitializeStreamInterface.
- @return An error code indicating that the function has no effect
- because the stream is a callback stream.
-*/
-signed long PaUtil_DummyGetReadAvailable( PaStream* stream );
-
-
-/** Dummy GetWriteAvailable function for use in interfaces to callback based
- streams. Pass to the GetWriteAvailable parameter of PaUtil_InitializeStreamInterface.
- @return An error code indicating that the function has no effect
- because the stream is a callback stream.
-*/
-signed long PaUtil_DummyGetWriteAvailable( PaStream* stream );
-
-
-
-/** Dummy GetCpuLoad function for use in an interface to a read/write stream.
- Pass to the GetCpuLoad parameter of PaUtil_InitializeStreamInterface.
- @return Returns 0.
-*/
-double PaUtil_DummyGetCpuLoad( PaStream* stream );
-
-
-/** Non host specific data for a stream. This data is used by pa_front to
- forward to the appropriate functions in the streamInterface structure.
-*/
-typedef struct PaUtilStreamRepresentation {
- unsigned long magic; /**< set to PA_STREAM_MAGIC */
- struct PaUtilStreamRepresentation *nextOpenStream; /**< field used by multi-api code */
- PaUtilStreamInterface *streamInterface;
- PaStreamCallback *streamCallback;
- PaStreamFinishedCallback *streamFinishedCallback;
- void *userData;
- PaStreamInfo streamInfo;
-} PaUtilStreamRepresentation;
-
-
-/** Initialize a PaUtilStreamRepresentation structure.
-
- @see PaUtil_InitializeStreamRepresentation
-*/
-void PaUtil_InitializeStreamRepresentation(
- PaUtilStreamRepresentation *streamRepresentation,
- PaUtilStreamInterface *streamInterface,
- PaStreamCallback *streamCallback,
- void *userData );
-
-
-/** Clean up a PaUtilStreamRepresentation structure previously initialized
- by a call to PaUtil_InitializeStreamRepresentation.
-
- @see PaUtil_InitializeStreamRepresentation
-*/
-void PaUtil_TerminateStreamRepresentation( PaUtilStreamRepresentation *streamRepresentation );
-
-
-/** Check that the stream pointer is valid.
-
- @return Returns paNoError if the stream pointer appears to be OK, otherwise
- returns an error indicating the cause of failure.
-*/
-PaError PaUtil_ValidateStreamPointer( PaStream *stream );
-
-
-/** Cast an opaque stream pointer into a pointer to a PaUtilStreamRepresentation.
-
- @see PaUtilStreamRepresentation
-*/
-#define PA_STREAM_REP( stream )\
- ((PaUtilStreamRepresentation*) (stream) )
-
-
-/** Cast an opaque stream pointer into a pointer to a PaUtilStreamInterface.
-
- @see PaUtilStreamRepresentation, PaUtilStreamInterface
-*/
-#define PA_STREAM_INTERFACE( stream )\
- PA_STREAM_REP( (stream) )->streamInterface
-
-
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
-#endif /* PA_STREAM_H */
diff --git a/src/audio/portaudio/pa_common/pa_trace.c b/src/audio/portaudio/pa_common/pa_trace.c
deleted file mode 100644
index d0dabf9eb7..0000000000
--- a/src/audio/portaudio/pa_common/pa_trace.c
+++ /dev/null
@@ -1,88 +0,0 @@
-/*
- * $Id$
- * Portable Audio I/O Library Trace Facility
- * Store trace information in real-time for later printing.
- *
- * Based on the Open Source API proposed by Ross Bencina
- * Copyright (c) 1999-2000 Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/** @file
- @brief Event trace mechanism for debugging.
-*/
-
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include "pa_trace.h"
-
-#if PA_TRACE_REALTIME_EVENTS
-
-static char *traceTextArray[MAX_TRACE_RECORDS];
-static int traceIntArray[MAX_TRACE_RECORDS];
-static int traceIndex = 0;
-static int traceBlock = 0;
-
-/*********************************************************************/
-void PaUtil_ResetTraceMessages()
-{
- traceIndex = 0;
-}
-
-/*********************************************************************/
-void PaUtil_DumpTraceMessages()
-{
- int i;
- int messageCount = (traceIndex < PA_MAX_TRACE_RECORDS) ? traceIndex : PA_MAX_TRACE_RECORDS;
-
- printf("DumpTraceMessages: traceIndex = %d\n", traceIndex );
- for( i=0; i<messageCount; i++ )
- {
- printf("%3d: %s = 0x%08X\n",
- i, traceTextArray[i], traceIntArray[i] );
- }
- ResetTraceMessages();
- fflush(stdout);
-}
-
-/*********************************************************************/
-void PaUtil_AddTraceMessage( const char *msg, int data )
-{
- if( (traceIndex == PA_MAX_TRACE_RECORDS) && (traceBlock == 0) )
- {
- traceBlock = 1;
- /* PaUtil_DumpTraceMessages(); */
- }
- else if( traceIndex < PA_MAX_TRACE_RECORDS )
- {
- traceTextArray[traceIndex] = msg;
- traceIntArray[traceIndex] = data;
- traceIndex++;
- }
-}
-
-#endif /* TRACE_REALTIME_EVENTS */
diff --git a/src/audio/portaudio/pa_common/pa_trace.h b/src/audio/portaudio/pa_common/pa_trace.h
deleted file mode 100644
index 256c3e6911..0000000000
--- a/src/audio/portaudio/pa_common/pa_trace.h
+++ /dev/null
@@ -1,70 +0,0 @@
-#ifndef PA_TRACE_H
-#define PA_TRACE_H
-/*
- * $Id$
- * Portable Audio I/O Library Trace Facility
- * Store trace information in real-time for later printing.
- *
- * Based on the Open Source API proposed by Ross Bencina
- * Copyright (c) 1999-2000 Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/** @file
- @brief Event trace mechanism for debugging.
-
- Allows data to be written to the buffer at interrupt time and dumped later.
-*/
-
-
-#define PA_TRACE_REALTIME_EVENTS (0) /* Keep log of various real-time events. */
-#define PA_MAX_TRACE_RECORDS (2048)
-
-#ifdef __cplusplus
-extern "C"
-{
-#endif /* __cplusplus */
-
-
-#if PA_TRACE_REALTIME_EVENTS
-
-void PaUtil_ResetTraceMessages();
-void PaUtil_AddTraceMessage( const char *msg, int data );
-void PaUtil_DumpTraceMessages();
-
-#else
-
-#define PaUtil_ResetTraceMessages() /* noop */
-#define PaUtil_AddTraceMessage(msg,data) /* noop */
-#define PaUtil_DumpTraceMessages() /* noop */
-
-#endif
-
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
-
-#endif /* PA_TRACE_H */
diff --git a/src/audio/portaudio/pa_common/pa_types.h b/src/audio/portaudio/pa_common/pa_types.h
deleted file mode 100644
index 343dc8cf8a..0000000000
--- a/src/audio/portaudio/pa_common/pa_types.h
+++ /dev/null
@@ -1,65 +0,0 @@
-#ifndef PA_TYPES_H
-#define PA_TYPES_H
-
-/*
- SIZEOF_SHORT, SIZEOF_INT and SIZEOF_LONG are set by the configure script
- when it is used. Otherwise we default to the common 32 bit values, if your
- platform doesn't use configure, and doesn't use the default values below
- you will need to explicitly define these symbols in your make file.
-
- A PA_VALIDATE_SIZES macro is provided to assert that the values set in this
- file are correct.
-*/
-
-#ifndef SIZEOF_SHORT
-#define SIZEOF_SHORT 2
-#endif
-
-#ifndef SIZEOF_INT
-#define SIZEOF_INT 4
-#endif
-
-#ifndef SIZEOF_LONG
-#define SIZEOF_LONG 4
-#endif
-
-
-#if SIZEOF_SHORT == 2
-typedef signed short PaInt16;
-typedef unsigned short PaUint16;
-#elif SIZEOF_INT == 2
-typedef signed int PaInt16;
-typedef unsigned int PaUint16;
-#else
-#error pa_types.h was unable to determine which type to use for 16bit integers on the target platform
-#endif
-
-#if SIZEOF_SHORT == 4
-typedef signed short PaInt32;
-typedef unsigned short PaUint32;
-#elif SIZEOF_INT == 4
-typedef signed int PaInt32;
-typedef unsigned int PaUint32;
-#elif SIZEOF_LONG == 4
-typedef signed long PaInt32;
-typedef unsigned long PaUint32;
-#else
-#error pa_types.h was unable to determine which type to use for 32bit integers on the target platform
-#endif
-
-
-/* PA_VALIDATE_TYPE_SIZES compares the size of the integer types at runtime to
- ensure that PortAudio was configured correctly, and raises an assertion if
- they don't match the expected values. <assert.h> must be included in the
- context in which this macro is used.
-*/
-#define PA_VALIDATE_TYPE_SIZES \
- { \
- assert( "PortAudio: type sizes are not correct in pa_types.h" && sizeof( PaUint16 ) == 2 ); \
- assert( "PortAudio: type sizes are not correct in pa_types.h" && sizeof( PaInt16 ) == 2 ); \
- assert( "PortAudio: type sizes are not correct in pa_types.h" && sizeof( PaUint32 ) == 4 ); \
- assert( "PortAudio: type sizes are not correct in pa_types.h" && sizeof( PaInt32 ) == 4 ); \
- }
-
-
-#endif /* PA_TYPES_H */
diff --git a/src/audio/portaudio/pa_common/pa_util.h b/src/audio/portaudio/pa_common/pa_util.h
deleted file mode 100644
index 4d060d814a..0000000000
--- a/src/audio/portaudio/pa_common/pa_util.h
+++ /dev/null
@@ -1,167 +0,0 @@
-#ifndef PA_UTIL_H
-#define PA_UTIL_H
-/*
- * $Id$
- * Portable Audio I/O Library implementation utilities header
- * common implementation utilities and interfaces
- *
- * Based on the Open Source API proposed by Ross Bencina
- * Copyright (c) 1999-2002 Ross Bencina, Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/** @file
- @brief Prototypes for utility functions used by PortAudio implementations.
-
- @todo Document and adhere to the alignment guarantees provided by
- PaUtil_AllocateMemory().
-*/
-
-
-#include "portaudio.h"
-
-#ifdef __cplusplus
-extern "C"
-{
-#endif /* __cplusplus */
-
-
-struct PaUtilHostApiRepresentation;
-
-
-/** Retrieve a specific host API representation. This function can be used
- by implementations to retrieve a pointer to their representation in
- host api specific extension functions which aren't passed a rep pointer
- by pa_front.c.
-
- @param hostApi A pointer to a host API represenation pointer. Apon success
- this will receive the requested representation pointer.
-
- @param type A valid host API type identifier.
-
- @returns An error code. If the result is PaNoError then a pointer to the
- requested host API representation will be stored in *hostApi. If the host API
- specified by type is not found, this function returns paHostApiNotFound.
-*/
-PaError PaUtil_GetHostApiRepresentation( struct PaUtilHostApiRepresentation **hostApi,
- PaHostApiTypeId type );
-
-
-/** Convert a PortAudio device index into a host API specific device index.
- @param hostApiDevice Pointer to a device index, on success this will recieve the
- converted device index value.
- @param device The PortAudio device index to convert.
- @param hostApi The host api which the index should be converted for.
-
- @returns On success returns PaNoError and places the converted index in the
- hostApiDevice parameter.
-*/
-PaError PaUtil_DeviceIndexToHostApiDeviceIndex(
- PaDeviceIndex *hostApiDevice, PaDeviceIndex device,
- struct PaUtilHostApiRepresentation *hostApi );
-
-
-/** Set the host error information returned by Pa_GetLastHostErrorInfo. This
- function and the paUnanticipatedHostError error code should be used as a
- last resort. Implementors should use existing PA error codes where possible,
- or nominate new ones. Note that at it is always better to use
- PaUtil_SetLastHostErrorInfo() and paUnanticipatedHostError than to return an
- ambiguous or inaccurate PaError code.
-
- @param hostApiType The host API which encountered the error (ie of the caller)
-
- @param errorCode The error code returned by the native API function.
-
- @param errorText A string describing the error. PaUtil_SetLastHostErrorInfo
- makes a copy of the string, so it is not necessary for the pointer to remain
- valid after the call to PaUtil_SetLastHostErrorInfo() returns.
-
-*/
-void PaUtil_SetLastHostErrorInfo( PaHostApiTypeId hostApiType, long errorCode,
- const char *errorText );
-
-
-
-/** PA_DEBUG() provides a simple debug message printing facility. The macro
- passes it's argument to a printf-like function called PaUtil_DebugPrint()
- which prints to stderr and always flushes the stream after printing.
- Because preprocessor macros cannot directly accept variable length argument
- lists, calls to the macro must include an additional set of parenthesis, eg:
- PA_DEBUG(("errorno: %d", 1001 ));
-*/
-
-void PaUtil_DebugPrint( const char *format, ... );
-
-#if (0) /* set to 1 to print debug messages */
-#define PA_DEBUG(x) PaUtil_DebugPrint x ;
-#else
-#define PA_DEBUG(x)
-#endif
-
-
-/* the following functions are implemented in a platform platform specific
- .c file
-*/
-
-/** Allocate size bytes, guaranteed to be aligned to a FIXME byte boundary */
-void *PaUtil_AllocateMemory( long size );
-
-
-/** Realease block if non-NULL. block may be NULL */
-void PaUtil_FreeMemory( void *block );
-
-
-/** Return the number of currently allocated blocks. This function can be
- used for detecting memory leaks.
-
- @note Allocations will only be tracked if PA_TRACK_MEMORY is #defined. If
- it isn't, this function will always return 0.
-*/
-int PaUtil_CountCurrentlyAllocatedBlocks( void );
-
-
-/** Initialize the clock used by PaUtil_GetTime(). Call this before calling
- PaUtil_GetTime.
-
- @see PaUtil_GetTime
-*/
-void PaUtil_InitializeClock( void );
-
-
-/** Return the system time in seconds. Used to implement CPU load functions
-
- @see PaUtil_InitializeClock
-*/
-double PaUtil_GetTime( void );
-
-
-/* void Pa_Sleep( long msec ); must also be implemented in per-platform .c file */
-
-
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
-#endif /* PA_UTIL_H */
diff --git a/src/audio/portaudio/pa_common/portaudio.h b/src/audio/portaudio/pa_common/portaudio.h
deleted file mode 100644
index ac071d7eac..0000000000
--- a/src/audio/portaudio/pa_common/portaudio.h
+++ /dev/null
@@ -1,1123 +0,0 @@
-
-#ifndef PORTAUDIO_H
-#define PORTAUDIO_H
-/*
- * $Id$
- * PortAudio Portable Real-Time Audio Library
- * PortAudio API Header File
- * Latest version available at: http://www.portaudio.com/
- *
- * Copyright (c) 1999-2002 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/** @file
- @brief The PortAudio API.
-*/
-
-
-#ifdef __cplusplus
-extern "C"
-{
-#endif /* __cplusplus */
-
-
-/** Retrieve the release number of the currently running PortAudio build,
- eg 1900.
-*/
-int Pa_GetVersion( void );
-
-
-/** Retrieve a textual description of the current PortAudio build,
- eg "PortAudio V19-devel 13 October 2002".
-*/
-const char* Pa_GetVersionText( void );
-
-
-/** Error codes returned by PortAudio functions.
- Note that with the exception of paNoError, all PaErrorCodes are negative.
-*/
-
-typedef int PaError;
-typedef enum PaErrorCode
-{
- paNoError = 0,
-
- paNotInitialized = -10000,
- paUnanticipatedHostError,
- paInvalidChannelCount,
- paInvalidSampleRate,
- paInvalidDevice,
- paInvalidFlag,
- paSampleFormatNotSupported,
- paBadIODeviceCombination,
- paInsufficientMemory,
- paBufferTooBig,
- paBufferTooSmall,
- paNullCallback,
- paBadStreamPtr,
- paTimedOut,
- paInternalError,
- paDeviceUnavailable,
- paIncompatibleHostApiSpecificStreamInfo,
- paStreamIsStopped,
- paStreamIsNotStopped,
- paInputOverflowed,
- paOutputUnderflowed,
- paHostApiNotFound,
- paInvalidHostApi,
- paCanNotReadFromACallbackStream, /**< @todo review error code name */
- paCanNotWriteToACallbackStream, /**< @todo review error code name */
- paCanNotReadFromAnOutputOnlyStream, /**< @todo review error code name */
- paCanNotWriteToAnInputOnlyStream, /**< @todo review error code name */
- paIncompatibleStreamHostApi
-} PaErrorCode;
-
-
-/** Translate the supplied PortAudio error code into a human readable
- message.
-*/
-const char *Pa_GetErrorText( PaError errorCode );
-
-
-/** Library initialization function - call this before using PortAudio.
- This function initialises internal data structures and prepares underlying
- host APIs for use. This function MUST be called before using any other
- PortAudio API functions.
-
- If Pa_Initialize() is called multiple times, each successful
- call must be matched with a corresponding call to Pa_Terminate().
- Pairs of calls to Pa_Initialize()/Pa_Terminate() may overlap, and are not
- required to be fully nested.
-
- Note that if Pa_Initialize() returns an error code, Pa_Terminate() should
- NOT be called.
-
- @return paNoError if successful, otherwise an error code indicating the cause
- of failure.
-
- @see Pa_Terminate
-*/
-PaError Pa_Initialize( void );
-
-
-/** Library termination function - call this when finished using PortAudio.
- This function deallocates all resources allocated by PortAudio since it was
- initializied by a call to Pa_Initialize(). In cases where Pa_Initialise() has
- been called multiple times, each call must be matched with a corresponding call
- to Pa_Terminate(). The final matching call to Pa_Terminate() will automatically
- close any PortAudio streams that are still open.
-
- Pa_Terminate() MUST be called before exiting a program which uses PortAudio.
- Failure to do so may result in serious resource leaks, such as audio devices
- not being available until the next reboot.
-
- @return paNoError if successful, otherwise an error code indicating the cause
- of failure.
-
- @see Pa_Initialize
-*/
-PaError Pa_Terminate( void );
-
-
-
-/** The type used to refer to audio devices. Values of this type usually
- range from 0 to (Pa_DeviceCount-1), and may also take on the PaNoDevice
- and paUseHostApiSpecificDeviceSpecification values.
-
- @see Pa_DeviceCount, paNoDevice, paUseHostApiSpecificDeviceSpecification
-*/
-typedef int PaDeviceIndex;
-
-
-/** A special PaDeviceIndex value indicating that no device is available,
- or should be used.
-
- @see PaDeviceIndex
-*/
-#define paNoDevice ((PaDeviceIndex)-1)
-
-
-/** A special PaDeviceIndex value indicating that the device(s) to be used
- are specified in the host api specific stream info structure.
-
- @see PaDeviceIndex
-*/
-#define paUseHostApiSpecificDeviceSpecification ((PaDeviceIndex)-2)
-
-
-/* Host API enumeration mechanism */
-
-/** The type used to enumerate to host APIs at runtime. Values of this type
- range from 0 to (Pa_GetHostApiCount()-1).
-
- @see Pa_GetHostApiCount
-*/
-typedef int PaHostApiIndex;
-
-
-/** Retrieve the number of available host APIs. Even if a host API is
- available it may have no devices available.
-
- @return A non-negative value indicating the number of available host APIs
- or, a PaErrorCode (which are always negative) if PortAudio is not initialized
- or an error is encountered.
-
- @see PaHostApiIndex
-*/
-PaHostApiIndex Pa_GetHostApiCount( void );
-
-
-/** Retrieve the index of the default host API. The default host API will be
- the lowest common denominator host API on the current platform and is
- unlikely to provide the best performance.
-
- @return A non-negative value ranging from 0 to (Pa_GetHostApiCount()-1)
- indicating the default host API index or, a PaErrorCode (which are always
- negative) if PortAudio is not initialized or an error is encountered.
-*/
-PaHostApiIndex Pa_GetDefaultHostApi( void );
-
-
-/** Unchanging unique identifiers for each supported host API. This type
- is used in the PaHostApiInfo structure. The values are guaranteed to be
- unique and to never change, thus allowing code to be written that
- conditionally uses host API specific extensions.
-
- New type ids will be allocated when support for a host API reaches
- "public alpha" status, prior to that developers should use the
- paInDevelopment type id.
-
- @see PaHostApiInfo
-*/
-typedef enum PaHostApiTypeId
-{
- paInDevelopment=0, /* use while developing support for a new host API */
- paDirectSound=1,
- paMME=2,
- paASIO=3,
- paSoundManager=4,
- paCoreAudio=5,
- paOSS=7,
- paALSA=8,
- paAL=9,
- paBeOS=10,
- paWDMKS=11,
- paJACK=12
-} PaHostApiTypeId;
-
-
-/** A structure containing information about a particular host API. */
-
-typedef struct PaHostApiInfo
-{
- /** this is struct version 1 */
- int structVersion;
- /** The well known unique identifier of this host API @see PaHostApiTypeId */
- PaHostApiTypeId type;
- /** A textual description of the host API for display on user interfaces. */
- const char *name;
-
- /** The number of devices belonging to this host API. This field may be
- used in conjunction with Pa_HostApiDeviceIndexToDeviceIndex() to enumerate
- all devices for this host API.
- @see Pa_HostApiDeviceIndexToDeviceIndex
- */
- int deviceCount;
-
- /** The the default input device for this host API. The value will be a
- device index ranging from 0 to (Pa_GetDeviceCount()-1), or paNoDevice
- if no default input device is available.
- */
- PaDeviceIndex defaultInputDevice;
-
- /** The the default output device for this host API. The value will be a
- device index ranging from 0 to (Pa_GetDeviceCount()-1), or paNoDevice
- if no default output device is available.
- */
- PaDeviceIndex defaultOutputDevice;
-
-} PaHostApiInfo;
-
-
-/** Retrieve a pointer to a structure containing information about a specific
- host Api.
-
- @param hostApi A valid host API index ranging from 0 to (Pa_GetHostApiCount()-1)
-
- @return A pointer to an immutable PaHostApiInfo structure describing
- a specific host API. If the hostApi parameter is out of range or an error
- is encountered, the function returns NULL.
-
- The returned structure is owned by the PortAudio implementation and must not
- be manipulated or freed. The pointer is only guaranteed to be valid between
- calls to Pa_Initialize() and Pa_Terminate().
-*/
-const PaHostApiInfo * Pa_GetHostApiInfo( PaHostApiIndex hostApi );
-
-
-/** Convert a static host API unique identifier, into a runtime
- host API index.
-
- @param type A unique host API identifier belonging to the PaHostApiTypeId
- enumeration.
-
- @return A valid PaHostApiIndex ranging from 0 to (Pa_GetHostApiCount()-1) or,
- a PaErrorCode (which are always negative) if PortAudio is not initialized
- or an error is encountered.
-
- The paHostApiNotFound error code indicates that the host API specified by the
- type parameter is not available.
-
- @see PaHostApiTypeId
-*/
-PaHostApiIndex Pa_HostApiTypeIdToHostApiIndex( PaHostApiTypeId type );
-
-
-/** Convert a host-API-specific device index to standard PortAudio device index.
- This function may be used in conjunction with the deviceCount field of
- PaHostApiInfo to enumerate all devices for the specified host API.
-
- @param hostApi A valid host API index ranging from 0 to (Pa_GetHostApiCount()-1)
-
- @param hostApiDeviceIndex A valid per-host device index in the range
- 0 to (Pa_GetHostApiInfo(hostApi)->deviceCount-1)
-
- @return A non-negative PaDeviceIndex ranging from 0 to (Pa_GetDeviceCount()-1)
- or, a PaErrorCode (which are always negative) if PortAudio is not initialized
- or an error is encountered.
-
- A paInvalidHostApi error code indicates that the host API index specified by
- the hostApi parameter is out of range.
-
- A paInvalidDevice error code indicates that the hostApiDeviceIndex parameter
- is out of range.
-
- @see PaHostApiInfo
-*/
-PaDeviceIndex Pa_HostApiDeviceIndexToDeviceIndex( PaHostApiIndex hostApi,
- int hostApiDeviceIndex );
-
-
-
-/** Structure used to return information about a host error condition.
-*/
-typedef struct PaHostErrorInfo{
- PaHostApiTypeId hostApiType; /**< the host API which returned the error code */
- long errorCode; /**< the error code returned */
- const char *errorText; /**< a textual description of the error if available, otherwise a zero-length string */
-}PaHostErrorInfo;
-
-
-/** Return information about the last host error encountered. The error
- information returned by Pa_GetLastHostErrorInfo() will never be modified
- asyncronously by errors occurring in other PortAudio owned threads
- (such as the thread that manages the stream callback.)
-
- This function is provided as a last resort, primarily to enhance debugging
- by providing clients with access to all available error information.
-
- @return A pointer to an immutable structure constaining information about
- the host error. The values in this structure will only be valid if a
- PortAudio function has previously returned the paUnanticipatedHostError
- error code.
-*/
-const PaHostErrorInfo* Pa_GetLastHostErrorInfo( void );
-
-
-
-/* Device enumeration and capabilities */
-
-/** Retrieve the number of available devices. The number of available devices
- may be zero.
-
- @return A non-negative value indicating the number of available devices or,
- a PaErrorCode (which are always negative) if PortAudio is not initialized
- or an error is encountered.
-*/
-PaDeviceIndex Pa_GetDeviceCount( void );
-
-
-/** Retrieve the index of the default input device. The result can be
- used in the inputDevice parameter to Pa_OpenStream().
-
- @return The default input device index for the default host API, or paNoDevice
- if no default input device is available or an error was encountered.
-*/
-PaDeviceIndex Pa_GetDefaultInputDevice( void );
-
-
-/** Retrieve the index of the default output device. The result can be
- used in the outputDevice parameter to Pa_OpenStream().
-
- @return The default output device index for the defualt host API, or paNoDevice
- if no default output device is available or an error was encountered.
-
- @note
- On the PC, the user can specify a default device by
- setting an environment variable. For example, to use device #1.
-<pre>
- set PA_RECOMMENDED_OUTPUT_DEVICE=1
-</pre>
- The user should first determine the available device ids by using
- the supplied application "pa_devs".
-*/
-PaDeviceIndex Pa_GetDefaultOutputDevice( void );
-
-
-/** The type used to represent monotonic time in seconds that can be used
- for syncronisation. The type is used for the outTime argument to the
- PaStreamCallback and as the result of Pa_GetStreamTime().
-
- @see PaStreamCallback, Pa_GetStreamTime
-*/
-typedef double PaTime;
-
-
-/** A type used to specify one or more sample formats. Each value indicates
- a possible format for sound data passed to and from the stream callback,
- Pa_ReadStream and Pa_WriteStream.
-
- The standard formats paFloat32, paInt16, paInt32, paInt24, paInt8
- and aUInt8 are usually implemented by all implementations.
-
- The floating point representation (paFloat32) uses +1.0 and -1.0 as the
- maximum and minimum respectively.
-
- paUInt8 is an unsigned 8 bit format where 128 is considered "ground"
-
- The paNonInterleaved flag indicates that a multichannel buffer is passed
- as a set of non-interleaved pointers.
-
- @see Pa_OpenStream, Pa_OpenDefaultStream, PaDeviceInfo
- @see paFloat32, paInt16, paInt32, paInt24, paInt8
- @see paUInt8, paCustomFormat, paNonInterleaved
-*/
-typedef unsigned long PaSampleFormat;
-
-
-#define paFloat32 ((PaSampleFormat) 0x00000001) /**< @see PaSampleFormat */
-#define paInt32 ((PaSampleFormat) 0x00000002) /**< @see PaSampleFormat */
-#define paInt24 ((PaSampleFormat) 0x00000004) /**< Packed 24 bit format. @see PaSampleFormat */
-#define paInt16 ((PaSampleFormat) 0x00000008) /**< @see PaSampleFormat */
-#define paInt8 ((PaSampleFormat) 0x00000010) /**< @see PaSampleFormat */
-#define paUInt8 ((PaSampleFormat) 0x00000020) /**< @see PaSampleFormat */
-#define paCustomFormat ((PaSampleFormat) 0x00010000)/**< @see PaSampleFormat */
-
-#define paNonInterleaved ((PaSampleFormat) 0x80000000)
-
-/** A structure providing information and capabilities of PortAudio devices.
- Devices may support input, output or both input and output.
-*/
-typedef struct PaDeviceInfo
-{
- int structVersion; /* this is struct version 2 */
- const char *name;
- PaHostApiIndex hostApi; /* note this is a host API index, not a type id*/
-
- int maxInputChannels;
- int maxOutputChannels;
-
- /* Default latency values for interactive performance. */
- PaTime defaultLowInputLatency;
- PaTime defaultLowOutputLatency;
- /* Default latency values for robust non-interactive applications (eg. playing sound files). */
- PaTime defaultHighInputLatency;
- PaTime defaultHighOutputLatency;
-
- double defaultSampleRate;
-} PaDeviceInfo;
-
-
-/** Retrieve a pointer to a PaDeviceInfo structure containing information
- about the specified device.
- @return A pointer to an immutable PaDeviceInfo structure. If the device
- parameter is out of range the function returns NULL.
-
- @param device A valid device index in the range 0 to (Pa_GetDeviceCount()-1)
-
- @note PortAudio manages the memory referenced by the returned pointer,
- the client must not manipulate or free the memory. The pointer is only
- guaranteed to be valid between calls to Pa_Initialize() and Pa_Terminate().
-
- @see PaDeviceInfo, PaDeviceIndex
-*/
-const PaDeviceInfo* Pa_GetDeviceInfo( PaDeviceIndex device );
-
-
-/** Parameters for one direction (input or output) of a stream.
-*/
-typedef struct PaStreamParameters
-{
- /** A valid device index in the range 0 to (Pa_GetDeviceCount()-1)
- specifying the device to be used or the special constant
- paUseHostApiSpecificDeviceSpecification which indicates that the actual
- device(s) to use are specified in hostApiSpecificStreamInfo.
- This field must not be set to paNoDevice.
- */
- PaDeviceIndex device;
-
- /** The number of channels of sound to be delivered to the
- stream callback or accessed by Pa_ReadStream() or Pa_WriteStream().
- It can range from 1 to the value of maxInputChannels in the
- PaDeviceInfo record for the device specified by the device parameter.
- */
- int channelCount;
-
- /** The sample format of the buffer provided to the stream callback,
- a_ReadStream() or Pa_WriteStream(). It may be any of the formats described
- by the PaSampleFormat enumeration.
- */
- PaSampleFormat sampleFormat;
-
- /** The desired latency in seconds. Where practical, implementations should
- configure their latency based on these parameters, otherwise they may
- choose the closest viable latency instead. Unless the suggested latency
- is greater than the absolute upper limit for the device implementations
- shouldround the suggestedLatency up to the next practial value - ie to
- provide an equal or higher latency than suggestedLatency whereever possibe.
- Actual latency values for an open stream may be retrieved using the
- inputLatency and outputLatency fields of the PaStreamInfo structure
- returned by Pa_GetStreamInfo().
- @see default*Latency in PaDeviceInfo, *Latency in PaStreamInfo
- */
- PaTime suggestedLatency;
-
- /** An optional pointer to a host api specific data structure
- containing additional information for device setup and/or stream processing.
- hostApiSpecificStreamInfo is never required for correct operation,
- if not used it should be set to NULL.
- */
- void *hostApiSpecificStreamInfo;
-
-} PaStreamParameters;
-
-
-/** Return code for Pa_IsFormatSupported indicating success. */
-#define paFormatIsSupported (0)
-
-/** Determine whether it would be possible to open a stream with the specified
- parameters.
-
- @param inputParameters A structure that describes the input parameters used to
- open a stream. The suggestedLatency field is ignored. See PaStreamParameters
- for a description of these parameters. inputParameters must be NULL for
- output-only streams.
-
- @param outputParameters A structure that describes the output parameters used
- to open a stream. The suggestedLatency field is ignored. See PaStreamParameters
- for a description of these parameters. outputParameters must be NULL for
- input-only streams.
-
- @param sampleRate The required sampleRate. For full-duplex streams it is the
- sample rate for both input and output
-
- @return Returns 0 if the format is supported, and an error code indicating why
- the format is not supported otherwise. The constant paFormatIsSupported is
- provided to compare with the return value for success.
-
- @see paFormatIsSupported, PaStreamParameters
-*/
-PaError Pa_IsFormatSupported( const PaStreamParameters *inputParameters,
- const PaStreamParameters *outputParameters,
- double sampleRate );
-
-
-
-/* Streaming types and functions */
-
-
-/**
- A single PaStream can provide multiple channels of real-time
- streaming audio input and output to a client application. A stream
- provides access to audio hardware represented by one or more
- PaDevices. Depending on the underlying Host API, it may be possible
- to open multiple streams using the same device, however this behavior
- is implementation defined. Portable applications should assume that
- a PaDevice may be simultaneously used by at most one PaStream.
-
- Pointers to PaStream objects are passed between PortAudio functions that
- operate on streams.
-
- @see Pa_OpenStream, Pa_OpenDefaultStream, Pa_OpenDefaultStream, Pa_CloseStream,
- Pa_StartStream, Pa_StopStream, Pa_AbortStream, Pa_IsStreamActive,
- Pa_GetStreamTime, Pa_GetStreamCpuLoad
-
-*/
-typedef void PaStream;
-
-
-/** Can be passed as the framesPerBuffer parameter to Pa_OpenStream()
- or Pa_OpenDefaultStream() to indicate that the stream callback will
- accept buffers of any size.
-*/
-#define paFramesPerBufferUnspecified (0)
-
-
-/** Flags used to control the behavior of a stream. They are passed as
- parameters to Pa_OpenStream or Pa_OpenDefaultStream. Multiple flags may be
- ORed together.
-
- @see Pa_OpenStream, Pa_OpenDefaultStream
- @see paNoFlag, paClipOff, paDitherOff, paNeverDropInput,
- paPrimeOutputBuffersUsingStreamCallback, paPlatformSpecificFlags
-*/
-typedef unsigned long PaStreamFlags;
-
-/** @see PaStreamFlags */
-#define paNoFlag ((PaStreamFlags) 0)
-
-/** Disable default clipping of out of range samples.
- @see PaStreamFlags
-*/
-#define paClipOff ((PaStreamFlags) 0x00000001)
-
-/** Disable default dithering.
- @see PaStreamFlags
-*/
-#define paDitherOff ((PaStreamFlags) 0x00000002)
-
-/** Flag requests that where possible a full duplex stream will not discard
- overflowed input samples without calling the stream callback. This flag is
- only valid for full duplex callback streams and only when used in combination
- with the paFramesPerBufferUnspecified (0) framesPerBuffer parameter. Using
- this flag incorrectly results in a paInvalidFlag error being returned from
- Pa_OpenStream and Pa_OpenDefaultStream.
-
- @see PaStreamFlags, paFramesPerBufferUnspecified
-*/
-#define paNeverDropInput ((PaStreamFlags) 0x00000004)
-
-/** Call the stream callback to fill initial output buffers, rather than the
- default behavior of priming the buffers with zeros (silence). This flag has
- no effect for input-only and blocking read/write streams.
-
- @see PaStreamFlags
-*/
-#define paPrimeOutputBuffersUsingStreamCallback ((PaStreamFlags) 0x00000008)
-
-/** A mask specifying the platform specific bits.
- @see PaStreamFlags
-*/
-#define paPlatformSpecificFlags ((PaStreamFlags)0xFFFF0000)
-
-/**
- Timing information for the buffers passed to the stream callback.
-*/
-typedef struct PaStreamCallbackTimeInfo{
- PaTime inputBufferAdcTime;
- PaTime currentTime;
- PaTime outputBufferDacTime;
-} PaStreamCallbackTimeInfo;
-
-
-/**
- Flag bit constants for the statusFlags to PaStreamCallback.
-
- @see paInputUnderflow, paInputOverflow, paOutputUnderflow, paOutputOverflow,
- paPrimingOutput
-*/
-typedef unsigned long PaStreamCallbackFlags;
-
-/** In a stream opened with paFramesPerBufferUnspecified, indicates that
- input data is all silence (zeros) because no real data is available. In a
- stream opened without paFramesPerBufferUnspecified, it indicates that one or
- more zero samples have been inserted into the input buffer to compensate
- for an input underflow.
- @see PaStreamCallbackFlags
-*/
-#define paInputUnderflow ((PaStreamCallbackFlags) 0x00000001)
-
-/** In a stream opened with paFramesPerBufferUnspecified, indicates that data
- prior to the first sample of the input buffer was discarded due to an
- overflow, possibly because the stream callback is using too much CPU time.
- Otherwise indicates that data prior to one or more samples in the
- input buffer was discarded.
- @see PaStreamCallbackFlags
-*/
-#define paInputOverflow ((PaStreamCallbackFlags) 0x00000002)
-
-/** Indicates that output data (or a gap) was inserted, possibly because the
- stream callback is using too much CPU time.
- @see PaStreamCallbackFlags
-*/
-#define paOutputUnderflow ((PaStreamCallbackFlags) 0x00000004)
-
-/** Indicates that output data will be discarded because no room is available.
- @see PaStreamCallbackFlags
-*/
-#define paOutputOverflow ((PaStreamCallbackFlags) 0x00000008)
-
-/** Some of all of the output data will be used to prime the stream, input
- data may be zero.
- @see PaStreamCallbackFlags
-*/
-#define paPrimingOutput ((PaStreamCallbackFlags) 0x00000010)
-
-/**
- Allowable return values for the PaStreamCallback.
- @see PaStreamCallback
-*/
-typedef enum PaStreamCallbackResult
-{
- paContinue=0,
- paComplete=1,
- paAbort=2
-} PaStreamCallbackResult;
-
-
-/**
- Functions of type PaStreamCallback are implemented by PortAudio clients.
- They consume, process or generate audio in response to requests from an
- active PortAudio stream.
-
- @param input and @param output are arrays of interleaved samples,
- the format, packing and number of channels used by the buffers are
- determined by parameters to Pa_OpenStream().
-
- @param frameCount The number of sample frames to be processed by
- the stream callback.
-
- @param timeInfo The time in seconds when the first sample of the input
- buffer was received at the audio input, the time in seconds when the first
- sample of the output buffer will begin being played at the audio output, and
- the time in seconds when the stream callback was called.
- See also Pa_GetStreamTime()
-
- @param statusFlags Flags indicating whether input and/or output buffers
- have been inserted or will be dropped to overcome underflow or overflow
- conditions.
-
- @param userData The value of a user supplied pointer passed to
- Pa_OpenStream() intended for storing synthesis data etc.
-
- @return
- The stream callback should return one of the values in the
- PaStreamCallbackResult enumeration. To ensure that the callback continues
- to be called, it should return paContinue (0). Either paComplete or paAbort
- can be returned to finish stream processing, after either of these values is
- returned the callback will not be called again. If paAbort is returned the
- stream will finish as soon as possible. If paComplete is returned, the stream
- will continue until all buffers generated by the callback have been played.
- This may be useful in applications such as soundfile players where a specific
- duration of output is required. However, it is not necessary to utilise this
- mechanism as Pa_StopStream(), Pa_AbortStream() or Pa_CloseStream() can also
- be used to stop the stream. The callback must always fill the entire output
- buffer irrespective of its return value.
-
- @see Pa_OpenStream, Pa_OpenDefaultStream
-
- @note With the exception of Pa_GetStreamCpuLoad() it is not permissable to call
- PortAudio API functions from within the stream callback.
-*/
-typedef int PaStreamCallback(
- const void *input, void *output,
- unsigned long frameCount,
- const PaStreamCallbackTimeInfo* timeInfo,
- PaStreamCallbackFlags statusFlags,
- void *userData );
-
-
-/** Opens a stream for either input, output or both.
-
- @param stream The address of a PaStream pointer which will receive
- a pointer to the newly opened stream.
-
- @param inputParameters A structure that describes the input parameters used by
- the opened stream. See PaStreamParameters for a description of these parameters.
- inputParameters must be NULL for output-only streams.
-
- @param outputParameters A structure that describes the output parameters used by
- the opened stream. See PaStreamParameters for a description of these parameters.
- outputParameters must be NULL for input-only streams.
-
- @param sampleRate The desired sampleRate. For full-duplex streams it is the
- sample rate for both input and output
-
- @param framesPerBuffer The number of frames passed to the stream callback
- function, or the preferred block granularity for a blocking read/write stream.
- The special value paFramesPerBufferUnspecified (0) may be used to request that
- the stream callback will recieve an optimal (and possibly varying) number of
- frames based on host requirements and the requested latency settings.
- Note: With some host APIs, the use of non-zero framesPerBuffer for a callback
- stream may introduce an additional layer of buffering which could introduce
- additional latency. PortAudio guarantees that the additional latency
- will be kept to the theoretical minimum however, it is strongly recommended
- that a non-zero framesPerBuffer value only be used when your algorithm
- requires a fixed number of frames per stream callback.
-
- @param streamFlags Flags which modify the behaviour of the streaming process.
- This parameter may contain a combination of flags ORed together. Some flags may
- only be relevant to certain buffer formats.
-
- @param streamCallback A pointer to a client supplied function that is responsible
- for processing and filling input and output buffers. If this parameter is NULL
- the stream will be opened in 'blocking read/write' mode. In blocking mode,
- the client can receive sample data using Pa_ReadStream and write sample data
- using Pa_WriteStream, the number of samples that may be read or written
- without blocking is returned by Pa_GetStreamReadAvailable and
- Pa_GetStreamWriteAvailable respectively.
-
- @param userData A client supplied pointer which is passed to the stream callback
- function. It could for example, contain a pointer to instance data necessary
- for processing the audio buffers. This parameter is ignored if streamCallback
- is NULL.
-
- @return
- Upon success Pa_OpenStream() returns paNoError and places a pointer to a
- valid PaStream in the stream argument. The stream is inactive (stopped).
- If a call to Pa_OpenStream() fails, a non-zero error code is returned (see
- PaError for possible error codes) and the value of stream is invalid.
-
- @see PaStreamParameters, PaStreamCallback, Pa_ReadStream, Pa_WriteStream,
- Pa_GetStreamReadAvailable, Pa_GetStreamWriteAvailable
-*/
-PaError Pa_OpenStream( PaStream** stream,
- const PaStreamParameters *inputParameters,
- const PaStreamParameters *outputParameters,
- double sampleRate,
- unsigned long framesPerBuffer,
- PaStreamFlags streamFlags,
- PaStreamCallback *streamCallback,
- void *userData );
-
-
-/** A simplified version of Pa_OpenStream() that opens the default input
- and/or output devices.
-
- @param stream The address of a PaStream pointer which will receive
- a pointer to the newly opened stream.
-
- @param numInputChannels The number of channels of sound that will be supplied
- to the stream callback or returned by Pa_ReadStream. It can range from 1 to
- the value of maxInputChannels in the PaDeviceInfo record for the default input
- device. If 0 the stream is opened as an output-only stream.
-
- @param numOutputChannels The number of channels of sound to be delivered to the
- stream callback or passed to Pa_WriteStream. It can range from 1 to the value
- of maxOutputChannels in the PaDeviceInfo record for the default output dvice.
- If 0 the stream is opened as an output-only stream.
-
- @param sampleFormat The sample format of both the input and output buffers
- provided to the callback or passed to and from Pa_ReadStream and Pa_WriteStream.
- sampleFormat may be any of the formats described by the PaSampleFormat
- enumeration.
-
- @param sampleRate Same as Pa_OpenStream parameter of the same name.
- @param framesPerBuffer Same as Pa_OpenStream parameter of the same name.
- @param streamCallback Same as Pa_OpenStream parameter of the same name.
- @param userData Same as Pa_OpenStream parameter of the same name.
-
- @return As for Pa_OpenStream
-
- @see Pa_OpenStream, PaStreamCallback
-*/
-PaError Pa_OpenDefaultStream( PaStream** stream,
- int numInputChannels,
- int numOutputChannels,
- PaSampleFormat sampleFormat,
- double sampleRate,
- unsigned long framesPerBuffer,
- PaStreamCallback *streamCallback,
- void *userData );
-
-
-/** Closes an audio stream. If the audio stream is active it
- discards any pending buffers as if Pa_AbortStream() had been called.
-*/
-PaError Pa_CloseStream( PaStream *stream );
-
-
-/** Functions of type PaStreamFinishedCallback are implemented by PortAudio
- clients. They can be registered with a stream using the Pa_SetStreamFinishedCallback
- function. Once registered they are called when the stream becomes inactive
- (ie once a call to Pa_StopStream() will not block).
- A stream will become inactive after the stream callback returns non-zero,
- or when Pa_StopStream or Pa_AbortStream is called. For a stream providing audio
- output, if the stream callback returns paComplete, or Pa_StopStream is called,
- the stream finished callback will not be called until all generated sample data
- has been played.
-
- @param userData The userData parameter supplied to Pa_OpenStream()
-
- @see Pa_SetStreamFinishedCallback
-*/
-typedef void PaStreamFinishedCallback( void *userData );
-
-
-/** Register a stream finished callback function which will be called when the
- stream becomes inactive. See the description of PaStreamFinishedCallback for
- further details about when the callback will be called.
-
- @param stream a pointer to a PaStream that is in the stopped state - if the
- stream is not stopped, the stream's finished callback will remain unchanged
- and an error code will be returned.
-
- @param streamFinishedCallback a pointer to a function with the same signature
- as PaStreamFinishedCallback, that will be called when the stream becomes
- inactive. Passing NULL for this parameter will un-register a previously
- registered stream finished callback function.
-
- @return on success returns paNoError, otherwise an error code indicating the cause
- of the error.
-
- @see PaStreamFinishedCallback
-*/
-PaError Pa_SetStreamFinishedCallback( PaStream *stream, PaStreamFinishedCallback* streamFinishedCallback );
-
-
-/** Commences audio processing.
-*/
-PaError Pa_StartStream( PaStream *stream );
-
-
-/** Terminates audio processing. It waits until all pending
- audio buffers have been played before it returns.
-*/
-PaError Pa_StopStream( PaStream *stream );
-
-
-/** Terminates audio processing immediately without waiting for pending
- buffers to complete.
-*/
-PaError Pa_AbortStream( PaStream *stream );
-
-
-/** Determine whether the stream is stopped.
- A stream is considered to be stopped prior to a successful call to
- Pa_StartStream and after a successful call to Pa_StopStream or Pa_AbortStream.
- If a stream callback returns a value other than paContinue the stream is NOT
- considered to be stopped.
-
- @return Returns one (1) when the stream is stopped, zero (0) when
- the stream is running or, a PaErrorCode (which are always negative) if
- PortAudio is not initialized or an error is encountered.
-
- @see Pa_StopStream, Pa_AbortStream, Pa_IsStreamActive
-*/
-PaError Pa_IsStreamStopped( PaStream *stream );
-
-
-/** Determine whether the stream is active.
- A stream is active after a successful call to Pa_StartStream(), until it
- becomes inactive either as a result of a call to Pa_StopStream() or
- Pa_AbortStream(), or as a result of a return value other than paContinue from
- the stream callback. In the latter case, the stream is considered inactive
- after the last buffer has finished playing.
-
- @return Returns one (1) when the stream is active (ie playing or recording
- audio), zero (0) when not playing or, a PaErrorCode (which are always negative)
- if PortAudio is not initialized or an error is encountered.
-
- @see Pa_StopStream, Pa_AbortStream, Pa_IsStreamStopped
-*/
-PaError Pa_IsStreamActive( PaStream *stream );
-
-
-
-/** A structure containing unchanging information about an open stream.
- @see Pa_GetStreamInfo
-*/
-
-typedef struct PaStreamInfo
-{
- /** this is struct version 1 */
- int structVersion;
-
- /** The input latency of the stream in seconds. This value provides the most
- accurate estimate of input latency available to the implementation. It may
- differ significantly from the suggestedLatency value passed to Pa_OpenStream().
- The value of this field will be zero (0.) for output-only streams.
- @see PaTime
- */
- PaTime inputLatency;
-
- /** The output latency of the stream in seconds. This value provides the most
- accurate estimate of output latency available to the implementation. It may
- differ significantly from the suggestedLatency value passed to Pa_OpenStream().
- The value of this field will be zero (0.) for input-only streams.
- @see PaTime
- */
- PaTime outputLatency;
-
- /** The sample rate of the stream in Hertz (samples per second). In cases
- where the hardware sample rate is inaccurate and PortAudio is aware of it,
- the value of this field may be different from the sampleRate parameter
- passed to Pa_OpenStream(). If information about the actual hardware sample
- rate is not available, this field will have the same value as the sampleRate
- parameter passed to Pa_OpenStream().
- */
- double sampleRate;
-
-} PaStreamInfo;
-
-
-/** Retrieve a pointer to a PaStreamInfo structure containing information
- about the specified stream.
- @return A pointer to an immutable PaStreamInfo structure. If the stream
- parameter invalid, or an error is encountered, the function returns NULL.
-
- @param stream A pointer to an open stream previously created with Pa_OpenStream.
-
- @note PortAudio manages the memory referenced by the returned pointer,
- the client must not manipulate or free the memory. The pointer is only
- guaranteed to be valid until the specified stream is closed.
-
- @see PaStreamInfo
-*/
-const PaStreamInfo* Pa_GetStreamInfo( PaStream *stream );
-
-
-/** Determine the current time for the stream according to the same clock used
- to generate buffer timestamps. This time may be used for syncronising other
- events to the audio stream, for example synchronizing audio to MIDI.
-
- @return The stream's current time in seconds, or 0 if an error occurred.
-
- @see PaTime, PaStreamCallback
-*/
-PaTime Pa_GetStreamTime( PaStream *stream );
-
-
-/** Retrieve CPU usage information for the specified stream.
- The "CPU Load" is a fraction of total CPU time consumed by a callback stream's
- audio processing routines including, but not limited to the client supplied
- stream callback. This function does not work with blocking read/write streams.
-
- This function may be called from the stream callback function or the
- application.
-
- @return
- A floating point value, typically between 0.0 and 1.0, where 1.0 indicates
- that the stream callback is consuming the maximum number of CPU cycles possible
- to maintain real-time operation. A value of 0.5 would imply that PortAudio and
- the stream callback was consuming roughly 50% of the available CPU time. The
- return value may exceed 1.0. A value of 0.0 will always be returned for a
- blocking read/write stream, or if an error occurrs.
-*/
-double Pa_GetStreamCpuLoad( PaStream* stream );
-
-
-/** Read samples from an input stream. The function doesn't return until
- the entire buffer has been filled - this may involve waiting for the operating
- system to supply the data.
-
- @param stream A pointer to an open stream previously created with Pa_OpenStream.
-
- @param buffer A pointer to a buffer of sample frames. The buffer contains
- samples in the format specified by the inputParameters->sampleFormat field
- used to open the stream, and the number of channels specified by
- inputParameters->numChannels. If non-interleaved samples were requested,
- buffer is a pointer to the first element of an array of non-interleaved
- buffer pointers, one for each channel.
-
- @param frames The number of frames to be read into buffer. This parameter
- is not constrained to a specific range, however high performance applications
- will want to match this parameter to the framesPerBuffer parameter used
- when opening the stream.
-
- @return On success PaNoError will be returned, or PaInputOverflowed if input
- data was discarded by PortAudio after the previous call and before this call.
-*/
-PaError Pa_ReadStream( PaStream* stream,
- void *buffer,
- unsigned long frames );
-
-
-/** Write samples to an output stream. This function doesn't return until the
- entire buffer has been consumed - this may involve waiting for the operating
- system to consume the data.
-
- @param stream A pointer to an open stream previously created with Pa_OpenStream.
-
- @param buffer A pointer to a buffer of sample frames. The buffer contains
- samples in the format specified by the outputParameters->sampleFormat field
- used to open the stream, and the number of channels specified by
- outputParameters->numChannels. If non-interleaved samples were requested,
- buffer is a pointer to the first element of an array of non-interleaved
- buffer pointers, one for each channel.
-
- @param frames The number of frames to be written from buffer. This parameter
- is not constrained to a specific range, however high performance applications
- will want to match this parameter to the framesPerBuffer parameter used
- when opening the stream.
-
- @return On success PaNoError will be returned, or paOutputUnderflowed if
- additional output data was inserted after the previous call and before this
- call.
-*/
-PaError Pa_WriteStream( PaStream* stream,
- const void *buffer,
- unsigned long frames );
-
-
-/** Retrieve the number of frames that can be read from the stream without
- waiting.
-
- @return Returns a non-negative value representing the maximum number of frames
- that can be read from the stream without blocking or busy waiting or, a
- PaErrorCode (which are always negative) if PortAudio is not initialized or an
- error is encountered.
-*/
-signed long Pa_GetStreamReadAvailable( PaStream* stream );
-
-
-/** Retrieve the number of frames that can be written to the stream without
- waiting.
-
- @return Returns a non-negative value representing the maximum number of frames
- that can be written to the stream without blocking or busy waiting or, a
- PaErrorCode (which are always negative) if PortAudio is not initialized or an
- error is encountered.
-*/
-signed long Pa_GetStreamWriteAvailable( PaStream* stream );
-
-
-/* Miscellaneous utilities */
-
-
-/** Retrieve the size of a given sample format in bytes.
-
- @return The size in bytes of a single sample in the specified format,
- or paSampleFormatNotSupported if the format is not supported.
-*/
-PaError Pa_GetSampleSize( PaSampleFormat format );
-
-
-/** Put the caller to sleep for at least 'msec' milliseconds. This function is
- provided only as a convenience for authors of portable code (such as the tests
- and examples in the PortAudio distribution.)
-
- The function may sleep longer than requested so don't rely on this for accurate
- musical timing.
-*/
-void Pa_Sleep( long msec );
-
-
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
-#endif /* PORTAUDIO_H */
diff --git a/src/audio/portaudio/pa_dll_switch/PaDllEntry.h b/src/audio/portaudio/pa_dll_switch/PaDllEntry.h
deleted file mode 100644
index e070054b39..0000000000
--- a/src/audio/portaudio/pa_dll_switch/PaDllEntry.h
+++ /dev/null
@@ -1,184 +0,0 @@
-
-/*
- * PortAudio Portable Real-Time Audio Library
- * PortAudio DLL Header File
- * Latest version available at: http://www.audiomulch.com/portaudio/
- *
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-
-// changed by zplane.developement in order to generate a DLL
-
-#ifndef __PADLLENTRY_HEADER_INCLUDED__
-
-#define __PADLLENTRY_HEADER_INCLUDED__
-
-typedef int PaError;
-typedef enum {
- paNoError = 0,
-
- paHostError = -10000,
- paInvalidChannelCount,
- paInvalidSampleRate,
- paInvalidDeviceId,
- paInvalidFlag,
- paSampleFormatNotSupported,
- paBadIODeviceCombination,
- paInsufficientMemory,
- paBufferTooBig,
- paBufferTooSmall,
- paNullCallback,
- paBadStreamPtr,
- paTimedOut,
- paInternalError
-} PaErrorNum;
-
-typedef unsigned long PaSampleFormat;
-#define paFloat32 ((PaSampleFormat) (1<<0)) /*always available*/
-#define paInt16 ((PaSampleFormat) (1<<1)) /*always available*/
-#define paInt32 ((PaSampleFormat) (1<<2)) /*always available*/
-#define paInt24 ((PaSampleFormat) (1<<3))
-#define paPackedInt24 ((PaSampleFormat) (1<<4))
-#define paInt8 ((PaSampleFormat) (1<<5))
-#define paUInt8 ((PaSampleFormat) (1<<6)) /* unsigned 8 bit, 128 is "ground" */
-#define paCustomFormat ((PaSampleFormat) (1<<16))
-
-
-typedef int PaDeviceID;
-#define paNoDevice -1
-
-typedef struct
-{
- int structVersion;
- const char *name;
- int maxInputChannels;
- int maxOutputChannels;
- /* Number of discrete rates, or -1 if range supported. */
- int numSampleRates;
- /* Array of supported sample rates, or {min,max} if range supported. */
- const double *sampleRates;
- PaSampleFormat nativeSampleFormats;
-}
-PaDeviceInfo;
-
-
-typedef double PaTimestamp;
-
-
-typedef int (PortAudioCallback)(
- void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- PaTimestamp outTime, void *userData );
-
-
-#define paNoFlag (0)
-#define paClipOff (1<<0) /* disable default clipping of out of range samples */
-#define paDitherOff (1<<1) /* disable default dithering */
-#define paPlatformSpecificFlags (0x00010000)
-typedef unsigned long PaStreamFlags;
-
-typedef void PortAudioStream;
-#define PaStream PortAudioStream
-
-extern PaError (__cdecl* Pa_Initialize)( void );
-
-
-
-extern PaError (__cdecl* Pa_Terminate)( void );
-
-
-extern long (__cdecl* Pa_GetHostError)( void );
-
-
-extern const char* (__cdecl* Pa_GetErrorText)( PaError );
-
-
-
-extern int (__cdecl* Pa_CountDevices)(void);
-
-extern PaDeviceID (__cdecl* Pa_GetDefaultInputDeviceID)( void );
-
-extern PaDeviceID (__cdecl* Pa_GetDefaultOutputDeviceID)( void );
-
-
-extern const PaDeviceInfo* (__cdecl* Pa_GetDeviceInfo)( PaDeviceID);
-
-
-
-extern PaError (__cdecl* Pa_OpenStream)(
- PortAudioStream ** ,
- PaDeviceID ,
- int ,
- PaSampleFormat ,
- void *,
- PaDeviceID ,
- int ,
- PaSampleFormat ,
- void *,
- double ,
- unsigned long ,
- unsigned long ,
- unsigned long ,
- PortAudioCallback *,
- void * );
-
-
-
-extern PaError (__cdecl* Pa_OpenDefaultStream)( PortAudioStream** stream,
- int numInputChannels,
- int numOutputChannels,
- PaSampleFormat sampleFormat,
- double sampleRate,
- unsigned long framesPerBuffer,
- unsigned long numberOfBuffers,
- PortAudioCallback *callback,
- void *userData );
-
-
-extern PaError (__cdecl* Pa_CloseStream)( PortAudioStream* );
-
-
-extern PaError (__cdecl* Pa_StartStream)( PortAudioStream *stream );
-
-extern PaError (__cdecl* Pa_StopStream)( PortAudioStream *stream );
-
-extern PaError (__cdecl* Pa_AbortStream)( PortAudioStream *stream );
-
-extern PaError (__cdecl* Pa_StreamActive)( PortAudioStream *stream );
-
-extern PaTimestamp (__cdecl* Pa_StreamTime)( PortAudioStream *stream );
-
-extern double (__cdecl* Pa_GetCPULoad)( PortAudioStream* stream );
-
-extern int (__cdecl* Pa_GetMinNumBuffers)( int framesPerBuffer, double sampleRate );
-
-extern void (__cdecl* Pa_Sleep)( long msec );
-
-extern PaError (__cdecl* Pa_GetSampleSize)( PaSampleFormat format );
-
-#endif // __PADLLENTRY_HEADER_INCLUDED__
-
diff --git a/src/audio/portaudio/pa_dll_switch/letter_from_tim_010817.txt b/src/audio/portaudio/pa_dll_switch/letter_from_tim_010817.txt
deleted file mode 100644
index a535cd1dae6afccc58d304b141166f7f7600dbd5..0000000000000000000000000000000000000000
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diff --git a/src/audio/portaudio/pa_dll_switch/loadPA_DLL.cpp b/src/audio/portaudio/pa_dll_switch/loadPA_DLL.cpp
deleted file mode 100644
index 043eda8781..0000000000
--- a/src/audio/portaudio/pa_dll_switch/loadPA_DLL.cpp
+++ /dev/null
@@ -1,203 +0,0 @@
-//////////////////////////////////////////////////////////////////////////
-
-
-HINSTANCE pPaDll;
-
-/*
- the function pointers to the PortAudio DLLs
-*/
-
-PaError (__cdecl* Pa_Initialize)( void );
-
-
-
-PaError (__cdecl* Pa_Terminate)( void );
-
-
-long (__cdecl* Pa_GetHostError)( void );
-
-
-const char* (__cdecl* Pa_GetErrorText)( PaError );
-
-
-int (__cdecl* Pa_CountDevices)(void);
-
-PaDeviceID (__cdecl* Pa_GetDefaultInputDeviceID)( void );
-
-PaDeviceID (__cdecl* Pa_GetDefaultOutputDeviceID)( void );
-
-
-const PaDeviceInfo* (__cdecl* Pa_GetDeviceInfo)( PaDeviceID);
-
-
-
-PaError (__cdecl* Pa_OpenStream)(
- PortAudioStream ** ,
- PaDeviceID ,
- int ,
- PaSampleFormat ,
- void *,
- PaDeviceID ,
- int ,
- PaSampleFormat ,
- void *,
- double ,
- unsigned long ,
- unsigned long ,
- unsigned long ,
- PortAudioCallback *,
- void * );
-
-
-
-PaError (__cdecl* Pa_OpenDefaultStream)( PortAudioStream** stream,
- int numInputChannels,
- int numOutputChannels,
- PaSampleFormat sampleFormat,
- double sampleRate,
- unsigned long framesPerBuffer,
- unsigned long numberOfBuffers,
- PortAudioCallback *callback,
- void *userData );
-
-
-PaError (__cdecl* Pa_CloseStream)( PortAudioStream* );
-
-
-PaError (__cdecl* Pa_StartStream)( PortAudioStream *stream );
-
-PaError (__cdecl* Pa_StopStream)( PortAudioStream *stream );
-
-PaError (__cdecl* Pa_AbortStream)( PortAudioStream *stream );
-
-PaError (__cdecl* Pa_StreamActive)( PortAudioStream *stream );
-
-PaTimestamp (__cdecl* Pa_StreamTime)( PortAudioStream *stream );
-
-double (__cdecl* Pa_GetCPULoad)( PortAudioStream* stream );
-
-int (__cdecl* Pa_GetMinNumBuffers)( int framesPerBuffer, double sampleRate );
-
-void (__cdecl* Pa_Sleep)( long msec );
-
-PaError (__cdecl* Pa_GetSampleSize)( PaSampleFormat format );
-
-
-//////////////////////////////////////////////////////////////////////////
-
-...
-
-ZERROR AudioEngine::DirectXSupport(ZBOOL bSupDX)
-{
- if (bSupDX)
- if (CheckForDirectXSupport())
- bSupportDirectX = _TRUE;
- else
- return _NO_SOUND;
- else
- bSupportDirectX = _FALSE;
- return _NO_ERROR;
-}
-
-
-
-ZBOOL AudioEngine::CheckForDirectXSupport()
-{
- HMODULE pTestDXLib;
- FARPROC pFunctionality;
-
- pTestDXLib=LoadLibrary("DSOUND");
- if (pTestDXLib!=NULL) // check if there is a DirectSound
- {
- pFunctionality = GetProcAddress(pTestDXLib, (char*) 7);
- if (pFunctionality!=NULL)
- {
- FreeLibrary(pTestDXLib);
- return _TRUE;
- }
- else
- {
- FreeLibrary(pTestDXLib);
- return _FALSE;
- }
- }
- else
- return _FALSE;
-}
-
-
-ZERROR AudioEngine::LoadPALib()
-{
-#ifdef _DEBUG
- if (bSupportDirectX)
- pPaDll = LoadLibrary("PA_DXD");
- else
- pPaDll = LoadLibrary("PA_MMED");
-#else
- if (bSupportDirectX)
- pPaDll = LoadLibrary("PA_DX");
- else
- pPaDll = LoadLibrary("PA_MME");
-#endif
- if (pPaDll!=NULL)
- {
-
- Pa_Initialize = (int (__cdecl*)(void))GetProcAddress(pPaDll,"Pa_Initialize");
- Pa_Terminate = (int (__cdecl*)(void))GetProcAddress(pPaDll,"Pa_Terminate");
- Pa_GetHostError = (long (__cdecl* )( void )) GetProcAddress(pPaDll,"Pa_GetHostError");
- Pa_GetErrorText = (const char* (__cdecl* )( PaError )) GetProcAddress(pPaDll,"Pa_GetErrorText");
- Pa_CountDevices = (int (__cdecl*)(void))GetProcAddress(pPaDll,"Pa_CountDevices");
- Pa_GetDefaultInputDeviceID = (int (__cdecl*)(void))GetProcAddress(pPaDll,"Pa_GetDefaultInputDeviceID");
- Pa_GetDefaultOutputDeviceID = (int (__cdecl*)(void))GetProcAddress(pPaDll,"Pa_GetDefaultOutputDeviceID");
- Pa_GetDeviceInfo = (const PaDeviceInfo* (__cdecl* )( PaDeviceID)) GetProcAddress(pPaDll,"Pa_GetDeviceInfo");
- Pa_OpenStream = ( PaError (__cdecl* )(
- PortAudioStream ** ,
- PaDeviceID ,
- int ,
- PaSampleFormat ,
- void *,
- PaDeviceID ,
- int ,
- PaSampleFormat ,
- void *,
- double ,
- unsigned long ,
- unsigned long ,
- unsigned long ,
- PortAudioCallback *,
- void * )) GetProcAddress(pPaDll,"Pa_OpenStream");
-
- Pa_OpenDefaultStream = (PaError (__cdecl* )( PortAudioStream** ,
- int ,
- int ,
- PaSampleFormat ,
- double ,
- unsigned long ,
- unsigned long ,
- PortAudioCallback *,
- void * )) GetProcAddress(pPaDll,"Pa_OpenDefaultStream");
- Pa_CloseStream = (PaError (__cdecl* )( PortAudioStream* )) GetProcAddress(pPaDll,"Pa_CloseStream");
- Pa_StartStream = (PaError (__cdecl* )( PortAudioStream* )) GetProcAddress(pPaDll,"Pa_StartStream");
- Pa_StopStream = (PaError (__cdecl* )( PortAudioStream* ))GetProcAddress(pPaDll,"Pa_StopStream");
- Pa_AbortStream = (PaError (__cdecl* )( PortAudioStream* )) GetProcAddress(pPaDll,"Pa_AbortStream");
- Pa_StreamActive = (PaError (__cdecl* )( PortAudioStream* )) GetProcAddress(pPaDll,"Pa_StreamActive");
- Pa_StreamTime = (PaTimestamp (__cdecl* )( PortAudioStream *))GetProcAddress(pPaDll,"Pa_StreamTime");
- Pa_GetCPULoad = (double (__cdecl* )( PortAudioStream* ))GetProcAddress(pPaDll,"Pa_GetCPULoad");
- Pa_GetMinNumBuffers = (int (__cdecl* )( int , double )) GetProcAddress(pPaDll,"Pa_GetMinNumBuffers");
- Pa_Sleep = (void (__cdecl* )( long )) GetProcAddress(pPaDll,"Pa_Sleep");
- Pa_GetSampleSize = (PaError (__cdecl* )( PaSampleFormat )) GetProcAddress(pPaDll,"Pa_GetSampleSize");
-
- return _NO_ERROR;
- }
- else
- return _DLL_NOT_FOUND;
-}
-
-ZERROR AudioEngine::UnLoadPALib()
-{
- if (pPaDll!=NULL)
- FreeLibrary(pPaDll);
- return _NO_ERROR;
-}
-
-...
diff --git a/src/audio/portaudio/pa_dll_switch/pa_lib.c b/src/audio/portaudio/pa_dll_switch/pa_lib.c
deleted file mode 100644
index 86601592c4..0000000000
--- a/src/audio/portaudio/pa_dll_switch/pa_lib.c
+++ /dev/null
@@ -1,827 +0,0 @@
-/*
- * Portable Audio I/O Library
- * Host Independant Layer
- *
- * Based on the Open Source API proposed by Ross Bencina
- * Copyright (c) 1999-2000 Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-
-/* Modification History:
- PLB20010422 - apply Mike Berry's changes for CodeWarrior on PC
-*/
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <math.h>
-
-/* PLB20010422 - "memory.h" doesn't work on CodeWarrior for PC. Thanks Mike Berry for the mod. */
-#ifdef _WIN32
-#ifndef __MWERKS__
-#include <memory.h>
-#endif /* __MWERKS__ */
-#else /* !_WIN32 */
-#include <memory.h>
-#endif /* _WIN32 */
-
-#include "portaudio.h"
-#include "pa_host.h"
-#include "pa_trace.h"
-
-/* The reason we might NOT want to validate the rate before opening the stream
- * is because many DirectSound drivers lie about the rates they actually support.
- */
-#define PA_VALIDATE_RATE (0) /* If true validate sample rate against driver info. */
-
-/*
-O- maybe not allocate past_InputBuffer and past_OutputBuffer if not needed for conversion
-*/
-
-#ifndef FALSE
- #define FALSE (0)
- #define TRUE (!FALSE)
-#endif
-
-#define PRINT(x) { printf x; fflush(stdout); }
-#define ERR_RPT(x) PRINT(x)
-#define DBUG(x) /* PRINT(x) */
-#define DBUGX(x) /* PRINT(x) */
-
-static int gInitCount = 0; /* Count number of times Pa_Initialize() called to allow nesting and overlapping. */
-
-static PaError Pa_KillStream( PortAudioStream *stream, int abort );
-
-/***********************************************************************/
-int PaHost_FindClosestTableEntry( double allowableError, const double *rateTable, int numRates, double frameRate )
-{
- double err, minErr = allowableError;
- int i, bestFit = -1;
-
- for( i=0; i<numRates; i++ )
- {
- err = fabs( frameRate - rateTable[i] );
- if( err < minErr )
- {
- minErr = err;
- bestFit = i;
- }
- }
- return bestFit;
-}
-
-/**************************************************************************
-** Make sure sample rate is legal and also convert to enumeration for driver.
-*/
-PaError PaHost_ValidateSampleRate( PaDeviceID id, double requestedFrameRate,
- double *closestFrameRatePtr )
-{
- long bestRateIndex;
- const PaDeviceInfo *pdi;
- pdi = Pa_GetDeviceInfo( id );
- if( pdi == NULL ) return paInvalidDeviceId;
-
- if( pdi->numSampleRates == -1 )
- {
- /* Is it out of range? */
- if( (requestedFrameRate < pdi->sampleRates[0]) ||
- (requestedFrameRate > pdi->sampleRates[1]) )
- {
- return paInvalidSampleRate;
- }
-
- *closestFrameRatePtr = requestedFrameRate;
- }
- else
- {
- bestRateIndex = PaHost_FindClosestTableEntry( 1.0, pdi->sampleRates, pdi->numSampleRates, requestedFrameRate );
- if( bestRateIndex < 0 ) return paInvalidSampleRate;
- *closestFrameRatePtr = pdi->sampleRates[bestRateIndex];
- }
- return paNoError;
-}
-
-/*************************************************************************/
-DLL_API PaError Pa_OpenStream(
- PortAudioStream** streamPtrPtr,
- PaDeviceID inputDeviceID,
- int numInputChannels,
- PaSampleFormat inputSampleFormat,
- void *inputDriverInfo,
- PaDeviceID outputDeviceID,
- int numOutputChannels,
- PaSampleFormat outputSampleFormat,
- void *outputDriverInfo,
- double sampleRate,
- unsigned long framesPerBuffer,
- unsigned long numberOfBuffers,
- unsigned long streamFlags,
- PortAudioCallback *callback,
- void *userData )
-{
- internalPortAudioStream *past = NULL;
- PaError result = paNoError;
- int bitsPerInputSample;
- int bitsPerOutputSample;
- /* Print passed parameters. */
- DBUG(("Pa_OpenStream( %p, %d, %d, %d, %p, /* input */ \n",
- streamPtrPtr, inputDeviceID, numInputChannels,
- inputSampleFormat, inputDriverInfo ));
- DBUG((" %d, %d, %d, %p, /* output */\n",
- outputDeviceID, numOutputChannels,
- outputSampleFormat, outputDriverInfo ));
- DBUG((" %g, %d, %d, 0x%x, , %p )\n",
- sampleRate, framesPerBuffer, numberOfBuffers,
- streamFlags, userData ));
-
- /* Check for parameter errors. */
- if( (streamFlags & ~(paClipOff | paDitherOff)) != 0 ) return paInvalidFlag;
- if( streamPtrPtr == NULL ) return paBadStreamPtr;
- if( inputDriverInfo != NULL ) return paHostError; /* REVIEW */
- if( outputDriverInfo != NULL ) return paHostError; /* REVIEW */
- if( (inputDeviceID < 0) && ( outputDeviceID < 0) ) return paInvalidDeviceId;
- if( (outputDeviceID >= Pa_CountDevices()) || (inputDeviceID >= Pa_CountDevices()) ) return paInvalidDeviceId;
- if( (numInputChannels <= 0) && ( numOutputChannels <= 0) ) return paInvalidChannelCount;
-
-#if SUPPORT_AUDIO_CAPTURE
- if( inputDeviceID >= 0 )
- {
- PaError size = Pa_GetSampleSize( inputSampleFormat );
- if( size < 0 ) return size;
- bitsPerInputSample = 8 * size;
- if( (numInputChannels <= 0) ) return paInvalidChannelCount;
- }
-#else
- if( inputDeviceID >= 0 )
- {
- return paInvalidChannelCount;
- }
-#endif /* SUPPORT_AUDIO_CAPTURE */
- else
- {
- if( numInputChannels > 0 ) return paInvalidChannelCount;
- bitsPerInputSample = 0;
- }
-
- if( outputDeviceID >= 0 )
- {
- PaError size = Pa_GetSampleSize( outputSampleFormat );
- if( size < 0 ) return size;
- bitsPerOutputSample = 8 * size;
- if( (numOutputChannels <= 0) ) return paInvalidChannelCount;
- }
- else
- {
- if( numOutputChannels > 0 ) return paInvalidChannelCount;
- bitsPerOutputSample = 0;
- }
-
- if( callback == NULL ) return paNullCallback;
-
- /* Allocate and clear stream structure. */
- past = (internalPortAudioStream *) PaHost_AllocateFastMemory( sizeof(internalPortAudioStream) );
- if( past == NULL ) return paInsufficientMemory;
- memset( past, 0, sizeof(internalPortAudioStream) );
- AddTraceMessage("Pa_OpenStream: past", (long) past );
-
- past->past_Magic = PA_MAGIC; /* Set ID to catch bugs. */
- past->past_FramesPerUserBuffer = framesPerBuffer;
- past->past_NumUserBuffers = numberOfBuffers; /* NOTE - PaHost_OpenStream() NMUST CHECK FOR ZERO! */
- past->past_Callback = callback;
- past->past_UserData = userData;
- past->past_OutputSampleFormat = outputSampleFormat;
- past->past_InputSampleFormat = inputSampleFormat;
- past->past_OutputDeviceID = outputDeviceID;
- past->past_InputDeviceID = inputDeviceID;
- past->past_NumInputChannels = numInputChannels;
- past->past_NumOutputChannels = numOutputChannels;
- past->past_Flags = streamFlags;
-
- /* Check for absurd sample rates. */
- if( (sampleRate < 1000.0) || (sampleRate > 200000.0) )
- {
- result = paInvalidSampleRate;
- goto cleanup;
- }
-
- /* Allocate buffers that may be used for format conversion from user to native buffers. */
- if( numInputChannels > 0 )
- {
-
-#if PA_VALIDATE_RATE
- result = PaHost_ValidateSampleRate( inputDeviceID, sampleRate, &past->past_SampleRate );
- if( result < 0 )
- {
- goto cleanup;
- }
-#else
- past->past_SampleRate = sampleRate;
-#endif
- /* Allocate single Input buffer. */
- past->past_InputBufferSize = framesPerBuffer * numInputChannels * ((bitsPerInputSample+7) / 8);
- past->past_InputBuffer = PaHost_AllocateFastMemory(past->past_InputBufferSize);
- if( past->past_InputBuffer == NULL )
- {
- result = paInsufficientMemory;
- goto cleanup;
- }
- }
- else
- {
- past->past_InputBuffer = NULL;
- }
-
- /* Allocate single Output buffer. */
- if( numOutputChannels > 0 )
- {
-#if PA_VALIDATE_RATE
- result = PaHost_ValidateSampleRate( outputDeviceID, sampleRate, &past->past_SampleRate );
- if( result < 0 )
- {
- goto cleanup;
- }
-#else
- past->past_SampleRate = sampleRate;
-#endif
- past->past_OutputBufferSize = framesPerBuffer * numOutputChannels * ((bitsPerOutputSample+7) / 8);
- past->past_OutputBuffer = PaHost_AllocateFastMemory(past->past_OutputBufferSize);
- if( past->past_OutputBuffer == NULL )
- {
- result = paInsufficientMemory;
- goto cleanup;
- }
- }
- else
- {
- past->past_OutputBuffer = NULL;
- }
-
- result = PaHost_OpenStream( past );
- if( result < 0 ) goto cleanup;
-
- *streamPtrPtr = (void *) past;
-
- return result;
-
-cleanup:
- if( past != NULL ) Pa_CloseStream( past );
- *streamPtrPtr = NULL;
- return result;
-}
-
-
-/*************************************************************************/
-DLL_API PaError Pa_OpenDefaultStream( PortAudioStream** stream,
- int numInputChannels,
- int numOutputChannels,
- PaSampleFormat sampleFormat,
- double sampleRate,
- unsigned long framesPerBuffer,
- unsigned long numberOfBuffers,
- PortAudioCallback *callback,
- void *userData )
-{
- return Pa_OpenStream(
- stream,
- ((numInputChannels > 0) ? Pa_GetDefaultInputDeviceID() : paNoDevice),
- numInputChannels, sampleFormat, NULL,
- ((numOutputChannels > 0) ? Pa_GetDefaultOutputDeviceID() : paNoDevice),
- numOutputChannels, sampleFormat, NULL,
- sampleRate, framesPerBuffer, numberOfBuffers, paNoFlag, callback, userData );
-}
-
-/*************************************************************************/
-DLL_API PaError Pa_CloseStream( PortAudioStream* stream)
-{
- PaError result;
- internalPortAudioStream *past;
-
- DBUG(("Pa_CloseStream()\n"));
- if( stream == NULL ) return paBadStreamPtr;
- past = (internalPortAudioStream *) stream;
-
- Pa_AbortStream( past );
- result = PaHost_CloseStream( past );
-
- if( past->past_InputBuffer ) PaHost_FreeFastMemory( past->past_InputBuffer, past->past_InputBufferSize );
- if( past->past_OutputBuffer ) PaHost_FreeFastMemory( past->past_OutputBuffer, past->past_OutputBufferSize );
- PaHost_FreeFastMemory( past, sizeof(internalPortAudioStream) );
-
- return result;
-}
-
-/*************************************************************************/
-DLL_API PaError Pa_StartStream( PortAudioStream *stream )
-{
- PaError result = paHostError;
- internalPortAudioStream *past;
-
- if( stream == NULL ) return paBadStreamPtr;
- past = (internalPortAudioStream *) stream;
-
- past->past_FrameCount = 0.0;
-
- if( past->past_NumInputChannels > 0 )
- {
- result = PaHost_StartInput( past );
- DBUG(("Pa_StartStream: PaHost_StartInput returned = 0x%X.\n", result));
- if( result < 0 ) goto error;
- }
-
- if( past->past_NumOutputChannels > 0 )
- {
- result = PaHost_StartOutput( past );
- DBUG(("Pa_StartStream: PaHost_StartOutput returned = 0x%X.\n", result));
- if( result < 0 ) goto error;
- }
-
- result = PaHost_StartEngine( past );
- DBUG(("Pa_StartStream: PaHost_StartEngine returned = 0x%X.\n", result));
- if( result < 0 ) goto error;
-
- return paNoError;
-
-error:
- return result;
-}
-
-/*************************************************************************/
-DLL_API PaError Pa_StopStream( PortAudioStream *stream )
-{
- return Pa_KillStream( stream, 0 );
-}
-
-/*************************************************************************/
-DLL_API PaError Pa_AbortStream( PortAudioStream *stream )
-{
- return Pa_KillStream( stream, 1 );
-}
-
-/*************************************************************************/
-static PaError Pa_KillStream( PortAudioStream *stream, int abort )
-{
- PaError result = paNoError;
- internalPortAudioStream *past;
-
- DBUG(("Pa_StopStream().\n"));
- if( stream == NULL ) return paBadStreamPtr;
- past = (internalPortAudioStream *) stream;
-
- if( (past->past_NumInputChannels > 0) || (past->past_NumOutputChannels > 0) )
- {
- result = PaHost_StopEngine( past, abort );
- DBUG(("Pa_StopStream: PaHost_StopEngine returned = 0x%X.\n", result));
- if( result < 0 ) goto error;
- }
-
- if( past->past_NumInputChannels > 0 )
- {
- result = PaHost_StopInput( past, abort );
- DBUG(("Pa_StopStream: PaHost_StopInput returned = 0x%X.\n", result));
- if( result != paNoError ) goto error;
- }
-
- if( past->past_NumOutputChannels > 0 )
- {
- result = PaHost_StopOutput( past, abort );
- DBUG(("Pa_StopStream: PaHost_StopOutput returned = 0x%X.\n", result));
- if( result != paNoError ) goto error;
- }
-
-error:
- past->past_Usage = 0;
- past->past_IfLastExitValid = 0;
-
- return result;
-}
-
-/*************************************************************************/
-DLL_API PaError Pa_StreamActive( PortAudioStream *stream )
-{
- internalPortAudioStream *past;
- if( stream == NULL ) return paBadStreamPtr;
- past = (internalPortAudioStream *) stream;
- return PaHost_StreamActive( past );
-}
-
-/*************************************************************************/
-DLL_API const char *Pa_GetErrorText( PaError errnum )
-{
- const char *msg;
-
- switch(errnum)
- {
- case paNoError: msg = "Success"; break;
- case paHostError: msg = "Host error."; break;
- case paInvalidChannelCount: msg = "Invalid number of channels."; break;
- case paInvalidSampleRate: msg = "Invalid sample rate."; break;
- case paInvalidDeviceId: msg = "Invalid device ID."; break;
- case paInvalidFlag: msg = "Invalid flag."; break;
- case paSampleFormatNotSupported: msg = "Sample format not supported"; break;
- case paBadIODeviceCombination: msg = "Illegal combination of I/O devices."; break;
- case paInsufficientMemory: msg = "Insufficient memory."; break;
- case paBufferTooBig: msg = "Buffer too big."; break;
- case paBufferTooSmall: msg = "Buffer too small."; break;
- case paNullCallback: msg = "No callback routine specified."; break;
- case paBadStreamPtr: msg = "Invalid stream pointer."; break;
- case paTimedOut : msg = "Wait Timed Out."; break;
- case paInternalError: msg = "Internal PortAudio Error."; break;
- default: msg = "Illegal error number."; break;
- }
- return msg;
-}
-
-/*
- Get CPU Load as a fraction of total CPU time.
- A value of 0.5 would imply that PortAudio and the sound generating
- callback was consuming roughly 50% of the available CPU time.
- The amount may vary depending on CPU load.
- This function may be called from the callback function.
-*/
-DLL_API double Pa_GetCPULoad( PortAudioStream* stream)
-{
- internalPortAudioStream *past;
- if( stream == NULL ) return (double) paBadStreamPtr;
- past = (internalPortAudioStream *) stream;
- return past->past_Usage;
-}
-
-/*************************************************************
-** Calculate 2 LSB dither signal with a triangular distribution.
-** Ranged properly for adding to a 32 bit integer prior to >>15.
-*/
-#define DITHER_BITS (15)
-#define DITHER_SCALE (1.0f / ((1<<DITHER_BITS)-1))
-static long Pa_TriangularDither( void )
-{
- static unsigned long previous = 0;
- static unsigned long randSeed1 = 22222;
- static unsigned long randSeed2 = 5555555;
- long current, highPass;
- /* Generate two random numbers. */
- randSeed1 = (randSeed1 * 196314165) + 907633515;
- randSeed2 = (randSeed2 * 196314165) + 907633515;
- /* Generate triangular distribution about 0. */
- current = (((long)randSeed1)>>(32-DITHER_BITS)) + (((long)randSeed2)>>(32-DITHER_BITS));
- /* High pass filter to reduce audibility. */
- highPass = current - previous;
- previous = current;
- return highPass;
-}
-
-/*************************************************************************
-** Called by host code.
-** Convert input from Int16, call user code, then convert output
-** to Int16 format for native use.
-** Assumes host native format is paInt16.
-** Returns result from user callback.
-*/
-long Pa_CallConvertInt16( internalPortAudioStream *past,
- short *nativeInputBuffer,
- short *nativeOutputBuffer )
-{
- long temp;
- long bytesEmpty = 0;
- long bytesFilled = 0;
- int userResult;
- unsigned int i;
- void *inputBuffer = NULL;
- void *outputBuffer = NULL;
-
-#if SUPPORT_AUDIO_CAPTURE
- /* Get native data from DirectSound. */
- if( (past->past_NumInputChannels > 0) && (nativeInputBuffer != NULL) )
- {
- /* Convert from native format to PA format. */
- unsigned int samplesPerBuffer = past->past_FramesPerUserBuffer * past->past_NumInputChannels;
- switch(past->past_InputSampleFormat)
- {
-
- case paFloat32:
- {
- float *inBufPtr = (float *) past->past_InputBuffer;
- inputBuffer = past->past_InputBuffer;
- for( i=0; i<samplesPerBuffer; i++ )
- {
- inBufPtr[i] = nativeInputBuffer[i] * (1.0f / 32767.0f);
- }
- break;
- }
-
- case paInt32:
- {
- /* Convert 16 bit data to 32 bit integers */
- int *inBufPtr = (int *) past->past_InputBuffer;
- inputBuffer = past->past_InputBuffer;
- for( i=0; i<samplesPerBuffer; i++ )
- {
- inBufPtr[i] = nativeInputBuffer[i] << 16;
- }
- break;
- }
-
- case paInt16:
- {
- /* Already in correct format so don't copy. */
- inputBuffer = nativeInputBuffer;
- break;
- }
-
- case paInt8:
- {
- /* Convert 16 bit data to 8 bit chars */
- char *inBufPtr = (char *) past->past_InputBuffer;
- inputBuffer = past->past_InputBuffer;
- if( past->past_Flags & paDitherOff )
- {
- for( i=0; i<samplesPerBuffer; i++ )
- {
- inBufPtr[i] = (char)(nativeInputBuffer[i] >> 8);
- }
- }
- else
- {
- for( i=0; i<samplesPerBuffer; i++ )
- {
- temp = nativeInputBuffer[i];
- temp += Pa_TriangularDither() >> 7;
- temp = ((temp < -0x8000) ? -0x8000 : ((temp > 0x7FFF) ? 0x7FFF : temp));
- inBufPtr[i] = (char)(temp >> 8);
- }
- }
- break;
- }
-
- case paUInt8:
- {
- /* Convert 16 bit data to 8 bit unsigned chars */
- unsigned char *inBufPtr = (unsigned char *) past->past_InputBuffer;
- inputBuffer = past->past_InputBuffer;
- if( past->past_Flags & paDitherOff )
- {
- for( i=0; i<samplesPerBuffer; i++ )
- {
- inBufPtr[i] = ((unsigned char)(nativeInputBuffer[i] >> 8)) + 0x80;
- }
- }
- else
- {
- /* If you dither then you have to clip because dithering could push the signal out of range! */
- for( i=0; i<samplesPerBuffer; i++ )
- {
- temp = nativeInputBuffer[i];
- temp += Pa_TriangularDither() >> 7;
- temp = ((temp < -0x8000) ? -0x8000 : ((temp > 0x7FFF) ? 0x7FFF : temp));
- inBufPtr[i] = (unsigned char)(temp + 0x80);
- }
- }
- break;
- }
-
- default:
- break;
- }
- }
-#endif /* SUPPORT_AUDIO_CAPTURE */
-
- /* Are we doing output time? */
- if( (past->past_NumOutputChannels > 0) && (nativeOutputBuffer != NULL) )
- {
- /* May already be in native format so just write directly to native buffer. */
- outputBuffer = (past->past_OutputSampleFormat == paInt16) ?
- nativeOutputBuffer : past->past_OutputBuffer;
- }
- /*
- AddTraceMessage("Pa_CallConvertInt16: inputBuffer = ", (int) inputBuffer );
- AddTraceMessage("Pa_CallConvertInt16: outputBuffer = ", (int) outputBuffer );
- */
- /* Call user callback routine. */
- userResult = past->past_Callback(
- inputBuffer,
- outputBuffer,
- past->past_FramesPerUserBuffer,
- past->past_FrameCount,
- past->past_UserData );
-
- past->past_FrameCount += (PaTimestamp) past->past_FramesPerUserBuffer;
-
- /* Convert to native format if necessary. */
- if( outputBuffer != NULL )
- {
- unsigned int samplesPerBuffer = past->past_FramesPerUserBuffer * past->past_NumOutputChannels;
- switch(past->past_OutputSampleFormat)
- {
- case paFloat32:
- {
- float *outBufPtr = (float *) past->past_OutputBuffer;
- if( past->past_Flags & paDitherOff )
- {
- if( past->past_Flags & paClipOff ) /* NOTHING */
- {
- for( i=0; i<samplesPerBuffer; i++ )
- {
- *nativeOutputBuffer++ = (short) (outBufPtr[i] * (32767.0f));
- }
- }
- else /* CLIP */
- {
- for( i=0; i<samplesPerBuffer; i++ )
- {
- temp = (long)(outBufPtr[i] * 32767.0f);
- *nativeOutputBuffer++ = (short)((temp < -0x8000) ? -0x8000 : ((temp > 0x7FFF) ? 0x7FFF : temp));
- }
- }
- }
- else
- {
- /* If you dither then you have to clip because dithering could push the signal out of range! */
- for( i=0; i<samplesPerBuffer; i++ )
- {
- float dither = Pa_TriangularDither()*DITHER_SCALE;
- float dithered = (outBufPtr[i] * (32767.0f)) + dither;
- temp = (long) (dithered);
- *nativeOutputBuffer++ = (short)((temp < -0x8000) ? -0x8000 : ((temp > 0x7FFF) ? 0x7FFF : temp));
- }
- }
- break;
- }
-
- case paInt32:
- {
- int *outBufPtr = (int *) past->past_OutputBuffer;
- if( past->past_Flags & paDitherOff )
- {
- for( i=0; i<samplesPerBuffer; i++ )
- {
- *nativeOutputBuffer++ = (short) (outBufPtr[i] >> 16 );
- }
- }
- else
- {
- for( i=0; i<samplesPerBuffer; i++ )
- {
- /* Shift one bit down before dithering so that we have room for overflow from add. */
- temp = (outBufPtr[i] >> 1) + Pa_TriangularDither();
- temp = temp >> 15;
- *nativeOutputBuffer++ = (short)((temp < -0x8000) ? -0x8000 : ((temp > 0x7FFF) ? 0x7FFF : temp));
- }
- }
- break;
- }
-
- case paInt8:
- {
- char *outBufPtr = (char *) past->past_OutputBuffer;
- for( i=0; i<samplesPerBuffer; i++ )
- {
- *nativeOutputBuffer++ = ((short)outBufPtr[i]) << 8;
- }
- break;
- }
-
- case paUInt8:
- {
- unsigned char *outBufPtr = (unsigned char *) past->past_OutputBuffer;
- for( i=0; i<samplesPerBuffer; i++ )
- {
- *nativeOutputBuffer++ = ((short)(outBufPtr[i] - 0x80)) << 8;
- }
- break;
- }
-
- default:
- break;
- }
-
- }
-
- return userResult;
-}
-
-/*************************************************************************
-** Called by host code.
-** Convert input from Float32, call user code, then convert output
-** to Float32 format for native use.
-** Assumes host native format is Float32.
-** Returns result from user callback.
-** FIXME - Unimplemented for formats other than paFloat32!!!!
-*/
-long Pa_CallConvertFloat32( internalPortAudioStream *past,
- float *nativeInputBuffer,
- float *nativeOutputBuffer )
-{
- long bytesEmpty = 0;
- long bytesFilled = 0;
- int userResult;
- void *inputBuffer = NULL;
- void *outputBuffer = NULL;
-
- /* Get native data from DirectSound. */
- if( (past->past_NumInputChannels > 0) && (nativeInputBuffer != NULL) )
- {
- inputBuffer = nativeInputBuffer; // FIXME
- }
-
- /* Are we doing output time? */
- if( (past->past_NumOutputChannels > 0) && (nativeOutputBuffer != NULL) )
- {
- /* May already be in native format so just write directly to native buffer. */
- outputBuffer = (past->past_OutputSampleFormat == paFloat32) ?
- nativeOutputBuffer : past->past_OutputBuffer;
- }
- /*
- AddTraceMessage("Pa_CallConvertInt16: inputBuffer = ", (int) inputBuffer );
- AddTraceMessage("Pa_CallConvertInt16: outputBuffer = ", (int) outputBuffer );
- */
- /* Call user callback routine. */
- userResult = past->past_Callback(
- inputBuffer,
- outputBuffer,
- past->past_FramesPerUserBuffer,
- past->past_FrameCount,
- past->past_UserData );
-
- past->past_FrameCount += (PaTimestamp) past->past_FramesPerUserBuffer;
-
- /* Convert to native format if necessary. */ // FIXME
- return userResult;
-}
-
-/*************************************************************************/
-DLL_API PaError Pa_Initialize( void )
-{
- if( gInitCount++ > 0 ) return paNoError;
- ResetTraceMessages();
- return PaHost_Init();
-}
-
-DLL_API PaError Pa_Terminate( void )
-{
- PaError result = paNoError;
-
- if( gInitCount == 0 ) return paNoError;
- else if( --gInitCount == 0 )
- {
- result = PaHost_Term();
- DumpTraceMessages();
- }
- return result;
-}
-
-/*************************************************************************/
-DLL_API PaError Pa_GetSampleSize( PaSampleFormat format )
-{
- int size;
- switch(format )
- {
-
- case paUInt8:
- case paInt8:
- size = 1;
- break;
-
- case paInt16:
- size = 2;
- break;
-
- case paPackedInt24:
- size = 3;
- break;
-
- case paFloat32:
- case paInt32:
- case paInt24:
- size = 4;
- break;
-
- default:
- size = paSampleFormatNotSupported;
- break;
- }
- return (PaError) size;
-}
-
-
diff --git a/src/audio/portaudio/pa_dll_switch/portaudio.h b/src/audio/portaudio/pa_dll_switch/portaudio.h
deleted file mode 100644
index 9632521ebc..0000000000
--- a/src/audio/portaudio/pa_dll_switch/portaudio.h
+++ /dev/null
@@ -1,439 +0,0 @@
-#ifndef PORT_AUDIO_H
-#define PORT_AUDIO_H
-
-#ifdef __cplusplus
-extern "C"
-{
-#endif /* __cplusplus */
-
-/*
- * PortAudio Portable Real-Time Audio Library
- * PortAudio API Header File
- * Latest version available at: http://www.audiomulch.com/portaudio/
- *
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-
-// added by zplane.developement in order to generate a DLL
-
-#if defined(PA_MME_EXPORTS) || defined(PA_DX_EXPORTS)
-#define DLL_API __declspec( dllexport )
-#elif defined(_LIB) || defined(_STATIC_LINK) || defined(_STATIC_APP)
-#define DLL_API
-#else
-#define DLL_API __declspec(dllexport)
-#endif
-
-
-typedef int PaError;
-typedef enum {
- paNoError = 0,
-
- paHostError = -10000,
- paInvalidChannelCount,
- paInvalidSampleRate,
- paInvalidDeviceId,
- paInvalidFlag,
- paSampleFormatNotSupported,
- paBadIODeviceCombination,
- paInsufficientMemory,
- paBufferTooBig,
- paBufferTooSmall,
- paNullCallback,
- paBadStreamPtr,
- paTimedOut,
- paInternalError
-} PaErrorNum;
-
-/*
- Pa_Initialize() is the library initialisation function - call this before
- using the library.
-*/
-
-DLL_API PaError Pa_Initialize( void );
-
-/*
- Pa_Terminate() is the library termination function - call this after
- using the library.
-*/
-
-DLL_API PaError Pa_Terminate( void );
-
-/*
- Return host specific error.
- This can be called after receiving a paHostError.
-*/
-DLL_API long Pa_GetHostError( void );
-
-/*
- Translate the error number into a human readable message.
-*/
-DLL_API const char *Pa_GetErrorText( PaError errnum );
-
-/*
- Sample formats
-
- These are formats used to pass sound data between the callback and the
- stream. Each device has a "native" format which may be used when optimum
- efficiency or control over conversion is required.
-
- Formats marked "always available" are supported (emulated) by all devices.
-
- The floating point representation uses +1.0 and -1.0 as the respective
- maximum and minimum.
-
-*/
-
-typedef unsigned long PaSampleFormat;
-#define paFloat32 ((PaSampleFormat) (1<<0)) /*always available*/
-#define paInt16 ((PaSampleFormat) (1<<1)) /*always available*/
-#define paInt32 ((PaSampleFormat) (1<<2)) /*always available*/
-#define paInt24 ((PaSampleFormat) (1<<3))
-#define paPackedInt24 ((PaSampleFormat) (1<<4))
-#define paInt8 ((PaSampleFormat) (1<<5))
-#define paUInt8 ((PaSampleFormat) (1<<6)) /* unsigned 8 bit, 128 is "ground" */
-#define paCustomFormat ((PaSampleFormat) (1<<16))
-
-/*
- Device enumeration mechanism.
-
- Device ids range from 0 to Pa_CountDevices()-1.
-
- Devices may support input, output or both. Device 0 is always the "default"
- device and should support at least stereo in and out if that is available
- on the taget platform _even_ if this involves kludging an input/output
- device on platforms that usually separate input from output. Other platform
- specific devices are specified by positive device ids.
-*/
-
-typedef int PaDeviceID;
-#define paNoDevice -1
-
-typedef struct
-{
- int structVersion;
- const char *name;
- int maxInputChannels;
- int maxOutputChannels;
- /* Number of discrete rates, or -1 if range supported. */
- int numSampleRates;
- /* Array of supported sample rates, or {min,max} if range supported. */
- const double *sampleRates;
- PaSampleFormat nativeSampleFormats;
-}
-PaDeviceInfo;
-
-
-DLL_API int Pa_CountDevices();
-/*
- Pa_GetDefaultInputDeviceID(), Pa_GetDefaultOutputDeviceID()
-
- Return the default device ID or paNoDevice if there is no devices.
- The result can be passed to Pa_OpenStream().
-
- On the PC, the user can specify a default device by
- setting an environment variable. For example, to use device #1.
-
- set PA_RECOMMENDED_OUTPUT_DEVICE=1
-
- The user should first determine the available device ID by using
- the supplied application "pa_devs".
-*/
-DLL_API PaDeviceID Pa_GetDefaultInputDeviceID( void );
-DLL_API PaDeviceID Pa_GetDefaultOutputDeviceID( void );
-
-/*
- PaTimestamp is used to represent a continuous sample clock with arbitrary
- start time useful for syncronisation. The type is used in the outTime
- argument to the callback function and the result of Pa_StreamTime()
-*/
-
-typedef double PaTimestamp;
-
-/*
- Pa_GetDeviceInfo() returns a pointer to an immutable PaDeviceInfo structure
- referring to the device specified by id.
- If id is out of range the function returns NULL.
-
- The returned structure is owned by the PortAudio implementation and must
- not be manipulated or freed. The pointer is guaranteed to be valid until
- between calls to Pa_Initialize() and Pa_Terminate().
-*/
-
-DLL_API const PaDeviceInfo* Pa_GetDeviceInfo( PaDeviceID id );
-
-/*
- PortAudioCallback is implemented by clients of the portable audio api.
-
- inputBuffer and outputBuffer are arrays of interleaved samples,
- the format, packing and number of channels used by the buffers are
- determined by parameters to Pa_OpenStream() (see below).
-
- framesPerBuffer is the number of sample frames to be processed by the callback.
-
- outTime is the time in samples when the buffer(s) processed by
- this callback will begin being played at the audio output.
- See also Pa_StreamTime()
-
- userData is the value of a user supplied pointer passed to Pa_OpenStream()
- intended for storing synthesis data etc.
-
- return value:
- The callback can return a nonzero value to stop the stream. This may be
- useful in applications such as soundfile players where a specific duration
- of output is required. However, it is not necessary to utilise this mechanism
- as StopStream() will also terminate the stream. A callback returning a
- nonzero value must fill the entire outputBuffer.
-
- NOTE: None of the other stream functions may be called from within the
- callback function except for Pa_GetCPULoad().
-
-*/
-
-typedef int (PortAudioCallback)(
- void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- PaTimestamp outTime, void *userData );
-
-
-/*
- Stream flags
-
- These flags may be supplied (ored together) in the streamFlags argument to
- the Pa_OpenStream() function.
-
- [ suggestions? ]
-*/
-
-#define paNoFlag (0)
-#define paClipOff (1<<0) /* disable defult clipping of out of range samples */
-#define paDitherOff (1<<1) /* disable default dithering */
-#define paPlatformSpecificFlags (0x00010000)
-typedef unsigned long PaStreamFlags;
-
-/*
- A single PortAudioStream provides multiple channels of real-time
- input and output audio streaming to a client application.
- Pointers to PortAudioStream objects are passed between PortAudio functions.
-*/
-
-typedef void PortAudioStream;
-#define PaStream PortAudioStream
-
-/*
- Pa_OpenStream() opens a stream for either input, output or both.
-
- stream is the address of a PortAudioStream pointer which will receive
- a pointer to the newly opened stream.
-
- inputDevice is the id of the device used for input (see PaDeviceID above.)
- inputDevice may be paNoDevice to indicate that an input device is not required.
-
- numInputChannels is the number of channels of sound to be delivered to the
- callback. It can range from 1 to the value of maxInputChannels in the
- device input record for the device specified in the inputDevice parameter.
- If inputDevice is paNoDevice numInputChannels is ignored.
-
- inputSampleFormat is the format of inputBuffer provided to the callback
- function. inputSampleFormat may be any of the formats described by the
- PaSampleFormat enumeration (see above). PortAudio guarantees support for
- the sound devices native formats (nativeSampleFormats in the device info
- record) and additionally 16 and 32 bit integer and 32 bit floating point
- formats. Support for other formats is implementation defined.
-
- inputDriverInfo is a pointer to an optional driver specific data structure
- containing additional information for device setup or stream processing.
- inputDriverInfo is never required for correct operation. If not used
- inputDriverInfo should be NULL.
-
- outputDevice is the id of the device used for output (see PaDeviceID above.)
- outputDevice may be paNoDevice to indicate that an output device is not required.
-
- numOutputChannels is the number of channels of sound to be supplied by the
- callback. See the definition of numInputChannels above for more details.
-
- outputSampleFormat is the sample format of the outputBuffer filled by the
- callback function. See the definition of inputSampleFormat above for more
- details.
-
- outputDriverInfo is a pointer to an optional driver specific data structure
- containing additional information for device setup or stream processing.
- outputDriverInfo is never required for correct operation. If not used
- outputDriverInfo should be NULL.
-
- sampleRate is the desired sampleRate for input and output
-
- framesPerBuffer is the length in sample frames of all internal sample buffers
- used for communication with platform specific audio routines. Wherever
- possible this corresponds to the framesPerBuffer parameter passed to the
- callback function.
-
- numberOfBuffers is the number of buffers used for multibuffered
- communication with the platform specific audio routines. This parameter is
- provided only as a guide - and does not imply that an implementation must
- use multibuffered i/o when reliable double buffering is available (such as
- SndPlayDoubleBuffer() on the Macintosh.)
-
- streamFlags may contain a combination of flags ORed together.
- These flags modify the behavior of the
- streaming process. Some flags may only be relevant to certain buffer formats.
-
- callback is a pointer to a client supplied function that is responsible
- for processing and filling input and output buffers (see above for details.)
-
- userData is a client supplied pointer which is passed to the callback
- function. It could for example, contain a pointer to instance data necessary
- for processing the audio buffers.
-
- return value:
- Apon success Pa_OpenStream() returns PaNoError and places a pointer to a
- valid PortAudioStream in the stream argument. The stream is inactive (stopped).
- If a call to Pa_OpenStream() fails a nonzero error code is returned (see
- PAError above) and the value of stream is invalid.
-
-*/
-
-DLL_API PaError Pa_OpenStream( PortAudioStream** stream,
- PaDeviceID inputDevice,
- int numInputChannels,
- PaSampleFormat inputSampleFormat,
- void *inputDriverInfo,
- PaDeviceID outputDevice,
- int numOutputChannels,
- PaSampleFormat outputSampleFormat,
- void *outputDriverInfo,
- double sampleRate,
- unsigned long framesPerBuffer,
- unsigned long numberOfBuffers,
- PaStreamFlags streamFlags,
- PortAudioCallback *callback,
- void *userData );
-
-
-/*
- Pa_OpenDefaultStream() is a simplified version of Pa_OpenStream() that
- opens the default input and/or ouput devices. Most parameters have
- identical meaning to their Pa_OpenStream() counterparts, with the following
- exceptions:
-
- If either numInputChannels or numOutputChannels is 0 the respective device
- is not opened (same as passing paNoDevice in the device arguments to Pa_OpenStream() )
-
- sampleFormat applies to both the input and output buffers.
-*/
-
-DLL_API PaError Pa_OpenDefaultStream( PortAudioStream** stream,
- int numInputChannels,
- int numOutputChannels,
- PaSampleFormat sampleFormat,
- double sampleRate,
- unsigned long framesPerBuffer,
- unsigned long numberOfBuffers,
- PortAudioCallback *callback,
- void *userData );
-
-/*
- Pa_CloseStream() closes an audio stream, flushing any pending buffers.
-*/
-
-DLL_API PaError Pa_CloseStream( PortAudioStream* );
-
-/*
- Pa_StartStream() and Pa_StopStream() begin and terminate audio processing.
- When Pa_StopStream() returns, all pending audio buffers have been played.
- Pa_AbortStream() stops playing immediately without waiting for pending
- buffers to complete.
-*/
-
-DLL_API PaError Pa_StartStream( PortAudioStream *stream );
-
-DLL_API PaError Pa_StopStream( PortAudioStream *stream );
-
-DLL_API PaError Pa_AbortStream( PortAudioStream *stream );
-
-/*
- Pa_StreamActive() returns one when the stream is playing audio,
- zero when not playing, or a negative error number if the
- stream is invalid.
- The stream is active between calls to Pa_StartStream() and Pa_StopStream(),
- but may also become inactive if the callback returns a non-zero value.
- In the latter case, the stream is considered inactive after the last
- buffer has finished playing.
-*/
-
-DLL_API PaError Pa_StreamActive( PortAudioStream *stream );
-
-/*
- Pa_StreamTime() returns the current output time for the stream in samples.
- This time may be used as a time reference (for example syncronising audio to
- MIDI).
-*/
-
-DLL_API PaTimestamp Pa_StreamTime( PortAudioStream *stream );
-
-/*
- The "CPU Load" is a fraction of total CPU time consumed by the
- stream's audio processing.
- A value of 0.5 would imply that PortAudio and the sound generating
- callback was consuming roughly 50% of the available CPU time.
- This function may be called from the callback function or the application.
-*/
-DLL_API double Pa_GetCPULoad( PortAudioStream* stream );
-
-/*
- Use Pa_GetMinNumBuffers() to determine minimum number of buffers required for
- the current host based on minimum latency.
- On the PC, for the DirectSound implementation, latency can be optionally set
- by user by setting an environment variable.
- For example, to set latency to 200 msec, put:
-
- set PA_MIN_LATENCY_MSEC=200
-
- in the AUTOEXEC.BAT file and reboot.
- If the environment variable is not set, then the latency will be determined
- based on the OS. Windows NT has higher latency than Win95.
-*/
-
-DLL_API int Pa_GetMinNumBuffers( int framesPerBuffer, double sampleRate );
-
-/*
- Sleep for at least 'msec' milliseconds.
- You may sleep longer than the requested time so don't rely
- on this for accurate musical timing.
-*/
-DLL_API void Pa_Sleep( long msec );
-
-/*
- Return size in bytes of a single sample in a given PaSampleFormat
- or paSampleFormatNotSupported.
-*/
-DLL_API PaError Pa_GetSampleSize( PaSampleFormat format );
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
-#endif /* PORT_AUDIO_H */
diff --git a/src/audio/portaudio/pa_jack/pa_jack.c b/src/audio/portaudio/pa_jack/pa_jack.c
deleted file mode 100644
index c0691d1847..0000000000
--- a/src/audio/portaudio/pa_jack/pa_jack.c
+++ /dev/null
@@ -1,1718 +0,0 @@
-/*
- * $Id$
- * PortAudio Portable Real-Time Audio Library
- * Latest Version at: http://www.portaudio.com
- * JACK Implementation by Joshua Haberman
- *
- * Copyright (c) 2004 Stefan Westerfeld <stefan@space.twc.de>
- * Copyright (c) 2004 Arve Knudsen <aknuds-1@broadpark.no>
- * Copyright (c) 2002 Joshua Haberman <joshua@haberman.com>
- *
- * Based on the Open Source API proposed by Ross Bencina
- * Copyright (c) 1999-2002 Ross Bencina, Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-#include <string.h>
-#include <regex.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <assert.h>
-#include <sys/types.h>
-#include <unistd.h>
-#include <errno.h> /* EBUSY */
-#include <signal.h> /* sig_atomic_t */
-#include <math.h>
-#include <semaphore.h>
-
-#include <jack/types.h>
-#include <jack/jack.h>
-
-#include "pa_util.h"
-#include "pa_hostapi.h"
-#include "pa_stream.h"
-#include "pa_process.h"
-#include "pa_allocation.h"
-#include "pa_cpuload.h"
-#include "../pablio/ringbuffer.c"
-
-static int aErr_;
-static PaError paErr_; /* For use with ENSURE_PA */
-static pthread_t mainThread_;
-static char *jackErr_ = NULL;
-
-#define STRINGIZE_HELPER(expr) #expr
-#define STRINGIZE(expr) STRINGIZE_HELPER(expr)
-
-/* Check PaError */
-#define ENSURE_PA(expr) \
- do { \
- if( (paErr_ = (expr)) < paNoError ) \
- { \
- if( (paErr_) == paUnanticipatedHostError && pthread_self() == mainThread_ ) \
- { \
- assert( jackErr_ ); \
- PaUtil_SetLastHostErrorInfo( paJACK, -1, jackErr_ ); \
- } \
- PaUtil_DebugPrint(( "Expression '" #expr "' failed in '" __FILE__ "', line: " STRINGIZE( __LINE__ ) "\n" )); \
- result = paErr_; \
- goto error; \
- } \
- } while( 0 )
-
-#define UNLESS(expr, code) \
- do { \
- if( (expr) == 0 ) \
- { \
- if( (code) == paUnanticipatedHostError && pthread_self() == mainThread_ ) \
- { \
- assert( jackErr_ ); \
- PaUtil_SetLastHostErrorInfo( paJACK, -1, jackErr_ ); \
- } \
- PaUtil_DebugPrint(( "Expression '" #expr "' failed in '" __FILE__ "', line: " STRINGIZE( __LINE__ ) "\n" )); \
- result = (code); \
- goto error; \
- } \
- } while( 0 )
-
-#define ASSERT_CALL(expr, success) \
- aErr_ = (expr); \
- assert( aErr_ == success );
-
-/*
- * Functions that directly map to the PortAudio stream interface
- */
-
-static void Terminate( struct PaUtilHostApiRepresentation *hostApi );
-static PaError IsFormatSupported( struct PaUtilHostApiRepresentation *hostApi,
- const PaStreamParameters *inputParameters,
- const PaStreamParameters *outputParameters,
- double sampleRate );
-static PaError OpenStream( struct PaUtilHostApiRepresentation *hostApi,
- PaStream** s,
- const PaStreamParameters *inputParameters,
- const PaStreamParameters *outputParameters,
- double sampleRate,
- unsigned long framesPerBuffer,
- PaStreamFlags streamFlags,
- PaStreamCallback *streamCallback,
- void *userData );
-static PaError CloseStream( PaStream* stream );
-static PaError StartStream( PaStream *stream );
-static PaError StopStream( PaStream *stream );
-static PaError AbortStream( PaStream *stream );
-static PaError IsStreamStopped( PaStream *s );
-static PaError IsStreamActive( PaStream *stream );
-/*static PaTime GetStreamInputLatency( PaStream *stream );*/
-/*static PaTime GetStreamOutputLatency( PaStream *stream );*/
-static PaTime GetStreamTime( PaStream *stream );
-static double GetStreamCpuLoad( PaStream* stream );
-
-
-/*
- * Data specific to this API
- */
-
-struct PaJackStream;
-
-typedef struct
-{
- PaUtilHostApiRepresentation commonHostApiRep;
- PaUtilStreamInterface callbackStreamInterface;
- PaUtilStreamInterface blockingStreamInterface;
-
- PaUtilAllocationGroup *deviceInfoMemory;
-
- jack_client_t *jack_client;
- int jack_buffer_size;
- PaHostApiIndex hostApiIndex;
-
- pthread_mutex_t mtx;
- pthread_cond_t cond;
- unsigned long inputBase, outputBase;
-
- /* For dealing with the process thread */
- volatile int xrun; /* Received xrun notification from JACK? */
- struct PaJackStream * volatile toAdd, * volatile toRemove;
- struct PaJackStream *processQueue;
- volatile sig_atomic_t jackIsDown;
-}
-PaJackHostApiRepresentation;
-
-/* PaJackStream - a stream data structure specifically for this implementation */
-
-typedef struct PaJackStream
-{
- PaUtilStreamRepresentation streamRepresentation;
- PaUtilBufferProcessor bufferProcessor;
- PaUtilCpuLoadMeasurer cpuLoadMeasurer;
- PaJackHostApiRepresentation *hostApi;
-
- /* our input and output ports */
- jack_port_t **local_input_ports;
- jack_port_t **local_output_ports;
-
- /* the input and output ports of the client we are connecting to */
- jack_port_t **remote_input_ports;
- jack_port_t **remote_output_ports;
-
- int num_incoming_connections;
- int num_outgoing_connections;
-
- jack_client_t *jack_client;
-
- /* The stream is running if it's still producing samples.
- * The stream is active if samples it produced are still being heard.
- */
- volatile sig_atomic_t is_running;
- volatile sig_atomic_t is_active;
- /* Used to signal processing thread that stream should start or stop, respectively */
- volatile sig_atomic_t doStart, doStop, doAbort;
-
- jack_nframes_t t0;
-
- PaUtilAllocationGroup *stream_memory;
-
- /* These are useful in the process callback */
-
- int callbackResult;
- int isSilenced;
- int xrun;
-
- /* These are useful for the blocking API */
-
- int isBlockingStream;
- RingBuffer inFIFO;
- RingBuffer outFIFO;
- volatile sig_atomic_t data_available;
- sem_t data_semaphore;
- int bytesPerFrame;
- int samplesPerFrame;
-
- struct PaJackStream *next;
-}
-PaJackStream;
-
-#define TRUE 1
-#define FALSE 0
-
-/*
- * Functions specific to this API
- */
-
-static int JackCallback( jack_nframes_t frames, void *userData );
-
-
-/*
- *
- * Implementation
- *
- */
-
-/* ---- blocking emulation layer ---- */
-
-/* Allocate buffer. */
-static PaError BlockingInitFIFO( RingBuffer *rbuf, long numFrames, long bytesPerFrame )
-{
- long numBytes = numFrames * bytesPerFrame;
- char *buffer = (char *) malloc( numBytes );
- if( buffer == NULL ) return paInsufficientMemory;
- memset( buffer, 0, numBytes );
- return (PaError) RingBuffer_Init( rbuf, numBytes, buffer );
-}
-
-/* Free buffer. */
-static PaError BlockingTermFIFO( RingBuffer *rbuf )
-{
- if( rbuf->buffer ) free( rbuf->buffer );
- rbuf->buffer = NULL;
- return paNoError;
-}
-
-static int
-BlockingCallback( const void *inputBuffer,
- void *outputBuffer,
- unsigned long framesPerBuffer,
- const PaStreamCallbackTimeInfo* timeInfo,
- PaStreamCallbackFlags statusFlags,
- void *userData )
-{
- struct PaJackStream *stream = (PaJackStream *)userData;
- long numBytes = stream->bytesPerFrame * framesPerBuffer;
-
- /* This may get called with NULL inputBuffer during initial setup. */
- if( inputBuffer != NULL )
- {
- RingBuffer_Write( &stream->inFIFO, inputBuffer, numBytes );
- }
- if( outputBuffer != NULL )
- {
- int numRead = RingBuffer_Read( &stream->outFIFO, outputBuffer, numBytes );
- /* Zero out remainder of buffer if we run out of data. */
- memset( (char *)outputBuffer + numRead, 0, numBytes - numRead );
- }
-
- if( !stream->data_available )
- {
- stream->data_available = 1;
- sem_post( &stream->data_semaphore );
- }
- return paContinue;
-}
-
-static PaError
-BlockingBegin( PaJackStream *stream, int minimum_buffer_size )
-{
- long doRead = 0;
- long doWrite = 0;
- PaError result = paNoError;
- long numFrames;
-
- doRead = stream->local_input_ports != NULL;
- doWrite = stream->local_output_ports != NULL;
- /* <FIXME> */
- stream->samplesPerFrame = 2;
- stream->bytesPerFrame = sizeof(float) * stream->samplesPerFrame;
- /* </FIXME> */
- numFrames = 32;
- while (numFrames < minimum_buffer_size)
- numFrames *= 2;
-
- if( doRead )
- {
- ENSURE_PA( BlockingInitFIFO( &stream->inFIFO, numFrames, stream->bytesPerFrame ) );
- }
- if( doWrite )
- {
- long numBytes;
-
- ENSURE_PA( BlockingInitFIFO( &stream->outFIFO, numFrames, stream->bytesPerFrame ) );
-
- /* Make Write FIFO appear full initially. */
- numBytes = RingBuffer_GetWriteAvailable( &stream->outFIFO );
- RingBuffer_AdvanceWriteIndex( &stream->outFIFO, numBytes );
- }
-
- stream->data_available = 0;
- sem_init( &stream->data_semaphore, 0, 0 );
-
-error:
- return result;
-}
-
-static void
-BlockingEnd( PaJackStream *stream )
-{
- BlockingTermFIFO( &stream->inFIFO );
- BlockingTermFIFO( &stream->outFIFO );
-
- sem_destroy( &stream->data_semaphore );
-}
-
-static PaError BlockingReadStream( PaStream* s, void *data, unsigned long numFrames )
-{
- PaError result = paNoError;
- PaJackStream *stream = (PaJackStream *)s;
-
- long bytesRead;
- char *p = (char *) data;
- long numBytes = stream->bytesPerFrame * numFrames;
- while( numBytes > 0 )
- {
- bytesRead = RingBuffer_Read( &stream->inFIFO, p, numBytes );
- numBytes -= bytesRead;
- p += bytesRead;
- if( numBytes > 0 )
- {
- /* see write for an explanation */
- if( stream->data_available )
- stream->data_available = 0;
- else
- sem_wait( &stream->data_semaphore );
- }
- }
-
- return result;
-}
-
-static PaError BlockingWriteStream( PaStream* s, const void *data, unsigned long numFrames )
-{
- PaError result = paNoError;
- PaJackStream *stream = (PaJackStream *)s;
- long bytesWritten;
- char *p = (char *) data;
- long numBytes = stream->bytesPerFrame * numFrames;
- while( numBytes > 0 )
- {
- bytesWritten = RingBuffer_Write( &stream->outFIFO, p, numBytes );
- numBytes -= bytesWritten;
- p += bytesWritten;
- if( numBytes > 0 )
- {
- /* we use the following algorithm:
- * (1) write data
- * (2) if some data didn't fit into the ringbuffer, set data_available to 0
- * to indicate to the audio that if space becomes available, we want to know
- * (3) retry to write data (because it might be that between (1) and (2)
- * new space in the buffer became available)
- * (4) if this failed, we are sure that the buffer is really empty and
- * we will definitely receive a notification when it becomes available
- * thus we can safely sleep
- *
- * if the algorithm bailed out in step (3) before, it leaks a count of 1
- * on the semaphore; however, it doesn't matter, because if we block in (4),
- * we also do it in a loop
- */
- if( stream->data_available )
- stream->data_available = 0;
- else
- sem_wait( &stream->data_semaphore );
- }
- }
-
- return result;
-}
-
-static signed long
-BlockingGetStreamReadAvailable( PaStream* s )
-{
- PaJackStream *stream = (PaJackStream *)s;
-
- int bytesFull = RingBuffer_GetReadAvailable( &stream->inFIFO );
- return bytesFull / stream->bytesPerFrame;
-}
-
-static signed long
-BlockingGetStreamWriteAvailable( PaStream* s )
-{
- PaJackStream *stream = (PaJackStream *)s;
-
- int bytesEmpty = RingBuffer_GetWriteAvailable( &stream->outFIFO );
- return bytesEmpty / stream->bytesPerFrame;
-}
-
-static PaError
-BlockingWaitEmpty( PaStream *s )
-{
- PaJackStream *stream = (PaJackStream *)s;
-
- while( RingBuffer_GetReadAvailable( &stream->outFIFO ) > 0 )
- {
- stream->data_available = 0;
- sem_wait( &stream->data_semaphore );
- }
- return 0;
-}
-
-/* ---- jack driver ---- */
-
-/* BuildDeviceList():
- *
- * The process of determining a list of PortAudio "devices" from
- * JACK's client/port system is fairly involved, so it is separated
- * into its own routine.
- */
-
-static PaError BuildDeviceList( PaJackHostApiRepresentation *jackApi )
-{
- /* Utility macros for the repetitive process of allocating memory */
-
- /* ... MALLOC: allocate memory as part of the device list
- * allocation group */
-#define MALLOC(size) \
- (PaUtil_GroupAllocateMemory( jackApi->deviceInfoMemory, (size) ))
-
- /* JACK has no concept of a device. To JACK, there are clients
- * which have an arbitrary number of ports. To make this
- * intelligible to PortAudio clients, we will group each JACK client
- * into a device, and make each port of that client a channel */
-
- PaError result = paNoError;
- PaUtilHostApiRepresentation *commonApi = &jackApi->commonHostApiRep;
-
- const char **jack_ports = NULL;
- char **client_names = NULL;
- char *regex_pattern = alloca( jack_client_name_size() + 3 );
- int port_index, client_index, i;
- double globalSampleRate;
- regex_t port_regex;
- unsigned long numClients = 0, numPorts = 0;
- char *tmp_client_name = alloca( jack_client_name_size() );
-
- commonApi->info.defaultInputDevice = paNoDevice;
- commonApi->info.defaultOutputDevice = paNoDevice;
- commonApi->info.deviceCount = 0;
-
- /* Parse the list of ports, using a regex to grab the client names */
- ASSERT_CALL( regcomp( &port_regex, "^[^:]*", REG_EXTENDED ), 0 );
-
- /* since we are rebuilding the list of devices, free all memory
- * associated with the previous list */
- PaUtil_FreeAllAllocations( jackApi->deviceInfoMemory );
-
- /* We can only retrieve the list of clients indirectly, by first
- * asking for a list of all ports, then parsing the port names
- * according to the client_name:port_name convention (which is
- * enforced by jackd)
- * A: If jack_get_ports returns NULL, there's nothing for us to do */
- UNLESS( (jack_ports = jack_get_ports( jackApi->jack_client, "", "", 0 )) && jack_ports[0], paNoError );
- /* Find number of ports */
- while( jack_ports[numPorts] )
- ++numPorts;
- /* At least there will be one port per client :) */
- UNLESS( client_names = alloca( numPorts * sizeof (char *) ), paInsufficientMemory );
-
- /* Build a list of clients from the list of ports */
- for( numClients = 0, port_index = 0; jack_ports[port_index] != NULL; port_index++ )
- {
- int client_seen = FALSE;
- regmatch_t match_info;
- const char *port = jack_ports[port_index];
-
- /* extract the client name from the port name, using a regex
- * that parses the clientname:portname syntax */
- UNLESS( !regexec( &port_regex, port, 1, &match_info, 0 ), paInternalError );
- assert(match_info.rm_eo - match_info.rm_so < jack_client_name_size());
- memcpy( tmp_client_name, port + match_info.rm_so,
- match_info.rm_eo - match_info.rm_so );
- tmp_client_name[match_info.rm_eo - match_info.rm_so] = '\0';
-
- /* do we know about this port's client yet? */
- for( i = 0; i < numClients; i++ )
- {
- if( strcmp( tmp_client_name, client_names[i] ) == 0 )
- client_seen = TRUE;
- }
-
- if (client_seen)
- continue; /* A: Nothing to see here, move along */
-
- UNLESS( client_names[numClients] = (char*)MALLOC(strlen(tmp_client_name) + 1), paInsufficientMemory );
-
- /* The alsa_pcm client should go in spot 0. If this
- * is the alsa_pcm client AND we are NOT about to put
- * it in spot 0 put it in spot 0 and move whatever
- * was already in spot 0 to the end. */
- if( strcmp( "alsa_pcm", tmp_client_name ) == 0 && numClients > 0 )
- {
- /* alsa_pcm goes in spot 0 */
- strcpy( client_names[ numClients ], client_names[0] );
- strcpy( client_names[0], tmp_client_name );
- }
- else
- {
- /* put the new client at the end of the client list */
- strcpy( client_names[ numClients ], tmp_client_name );
- }
- ++numClients;
- }
-
- /* Now we have a list of clients, which will become the list of
- * PortAudio devices. */
-
- /* there is one global sample rate all clients must conform to */
-
- globalSampleRate = jack_get_sample_rate( jackApi->jack_client );
- UNLESS( commonApi->deviceInfos = (PaDeviceInfo**)MALLOC( sizeof(PaDeviceInfo*) *
- numClients ), paInsufficientMemory );
-
- assert( commonApi->info.deviceCount == 0 );
-
- /* Create a PaDeviceInfo structure for every client */
- for( client_index = 0; client_index < numClients; client_index++ )
- {
- PaDeviceInfo *curDevInfo;
- const char **clientPorts = NULL;
-
- UNLESS( curDevInfo = (PaDeviceInfo*)MALLOC( sizeof(PaDeviceInfo) ), paInsufficientMemory );
- UNLESS( curDevInfo->name = (char*)MALLOC( strlen(client_names[client_index]) + 1 ), paInsufficientMemory );
- strcpy( (char *)curDevInfo->name, client_names[client_index] );
-
- curDevInfo->structVersion = 2;
- curDevInfo->hostApi = jackApi->hostApiIndex;
-
- /* JACK is very inflexible: there is one sample rate the whole
- * system must run at, and all clients must speak IEEE float. */
- curDevInfo->defaultSampleRate = globalSampleRate;
-
- /* To determine how many input and output channels are available,
- * we re-query jackd with more specific parameters. */
-
- sprintf( regex_pattern, "%s:.*", client_names[client_index] );
-
- /* ... what are your output ports (that we could input from)? */
- clientPorts = jack_get_ports( jackApi->jack_client, regex_pattern,
- NULL, JackPortIsOutput);
- curDevInfo->maxInputChannels = 0;
- curDevInfo->defaultLowInputLatency = 0.;
- curDevInfo->defaultHighInputLatency = 0.;
- if( clientPorts )
- {
- jack_port_t *p = jack_port_by_name( jackApi->jack_client, clientPorts[0] );
- curDevInfo->defaultLowInputLatency = curDevInfo->defaultHighInputLatency =
- jack_port_get_latency( p ) / globalSampleRate;
- free( p );
-
- for( i = 0; clientPorts[i] != NULL; i++)
- {
- /* The number of ports returned is the number of output channels.
- * We don't care what they are, we just care how many */
- curDevInfo->maxInputChannels++;
- }
- free(clientPorts);
- }
-
- /* ... what are your input ports (that we could output to)? */
- clientPorts = jack_get_ports( jackApi->jack_client, regex_pattern,
- NULL, JackPortIsInput);
- curDevInfo->maxOutputChannels = 0;
- curDevInfo->defaultLowOutputLatency = 0.;
- curDevInfo->defaultHighOutputLatency = 0.;
- if( clientPorts )
- {
- jack_port_t *p = jack_port_by_name( jackApi->jack_client, clientPorts[0] );
- curDevInfo->defaultLowOutputLatency = curDevInfo->defaultHighOutputLatency =
- jack_port_get_latency( p ) / globalSampleRate;
- free( p );
-
- for( i = 0; clientPorts[i] != NULL; i++)
- {
- /* The number of ports returned is the number of input channels.
- * We don't care what they are, we just care how many */
- curDevInfo->maxOutputChannels++;
- }
- free(clientPorts);
- }
-
- /* Add this client to the list of devices */
- commonApi->deviceInfos[client_index] = curDevInfo;
- ++commonApi->info.deviceCount;
- if( commonApi->info.defaultInputDevice == paNoDevice && curDevInfo->maxInputChannels > 0 )
- commonApi->info.defaultInputDevice = client_index;
- if( commonApi->info.defaultOutputDevice == paNoDevice && curDevInfo->maxOutputChannels > 0 )
- commonApi->info.defaultOutputDevice = client_index;
- }
-
-error:
- regfree( &port_regex );
- free( jack_ports );
- return result;
-}
-#undef MALLOC
-
-static void UpdateSampleRate( PaJackStream *stream, double sampleRate )
-{
- /* XXX: Maybe not the cleanest way of going about this? */
- stream->cpuLoadMeasurer.samplingPeriod = stream->bufferProcessor.samplePeriod = 1. / sampleRate;
- stream->streamRepresentation.streamInfo.sampleRate = sampleRate;
-}
-
-static void JackErrorCallback( const char *msg )
-{
- if( pthread_self() == mainThread_ )
- {
- assert( msg );
- free( jackErr_ );
- jackErr_ = malloc( strlen( msg ) );
- sprintf( jackErr_, msg );
- }
-}
-
-static void JackOnShutdown( void *arg )
-{
- PaJackHostApiRepresentation *jackApi = (PaJackHostApiRepresentation *)arg;
- PaJackStream *stream = jackApi->processQueue;
-
- PA_DEBUG(( "%s: JACK server is shutting down\n", __FUNCTION__ ));
- for( ; stream; stream = stream->next )
- {
- stream->is_active = 0;
- }
-
- /* Make sure that the main thread doesn't get stuck waiting on the condition */
- ASSERT_CALL( pthread_mutex_lock( &jackApi->mtx ), 0 );
- jackApi->jackIsDown = 1;
- ASSERT_CALL( pthread_cond_signal( &jackApi->cond ), 0 );
- ASSERT_CALL( pthread_mutex_unlock( &jackApi->mtx ), 0 );
-
-}
-
-static int JackSrCb( jack_nframes_t nframes, void *arg )
-{
- PaJackHostApiRepresentation *jackApi = (PaJackHostApiRepresentation *)arg;
- double sampleRate = (double)nframes;
- PaJackStream *stream = jackApi->processQueue;
-
- /* Update all streams in process queue */
- PA_DEBUG(( "%s: Acting on change in JACK samplerate: %f\n", __FUNCTION__, sampleRate ));
- for( ; stream; stream = stream->next )
- {
- if( stream->streamRepresentation.streamInfo.sampleRate != sampleRate )
- {
- PA_DEBUG(( "%s: Updating samplerate\n", __FUNCTION__ ));
- UpdateSampleRate( stream, sampleRate );
- }
- }
-
- return 0;
-}
-
-static int JackXRunCb(void *arg) {
- PaJackHostApiRepresentation *hostApi = (PaJackHostApiRepresentation *)arg;
- assert( hostApi );
- hostApi->xrun = TRUE;
- PA_DEBUG(( "%s: JACK signalled xrun\n", __FUNCTION__ ));
- return 0;
-}
-
-PaError PaJack_Initialize( PaUtilHostApiRepresentation **hostApi,
- PaHostApiIndex hostApiIndex )
-{
- PaError result = paNoError;
- PaJackHostApiRepresentation *jackHostApi;
- int activated = 0;
- char *clientName;
- int written;
- *hostApi = NULL; /* Initialize to NULL */
-
- UNLESS( jackHostApi = (PaJackHostApiRepresentation*)
- PaUtil_AllocateMemory( sizeof(PaJackHostApiRepresentation) ), paInsufficientMemory );
- jackHostApi->deviceInfoMemory = NULL;
-
- mainThread_ = pthread_self();
- ASSERT_CALL( pthread_mutex_init( &jackHostApi->mtx, NULL ), 0 );
- ASSERT_CALL( pthread_cond_init( &jackHostApi->cond, NULL ), 0 );
-
- /* Try to become a client of the JACK server. If we cannot do
- * this, then this API cannot be used. */
-
- clientName = alloca( jack_client_name_size() );
- written = snprintf( clientName, jack_client_name_size(), "PortAudio-%d", getpid() );
- assert( written < jack_client_name_size() );
- jackHostApi->jack_client = jack_client_new( clientName );
- if( jackHostApi->jack_client == NULL )
- {
- /* the V19 development docs say that if an implementation
- * detects that it cannot be used, it should return a NULL
- * interface and paNoError */
- result = paNoError;
- goto error;
- }
-
- UNLESS( jackHostApi->deviceInfoMemory = PaUtil_CreateAllocationGroup(), paInsufficientMemory );
- jackHostApi->hostApiIndex = hostApiIndex;
-
- *hostApi = &jackHostApi->commonHostApiRep;
- (*hostApi)->info.structVersion = 1;
- (*hostApi)->info.type = paJACK;
- (*hostApi)->info.name = "JACK Audio Connection Kit";
-
- /* Build a device list by querying the JACK server */
-
- ENSURE_PA( BuildDeviceList( jackHostApi ) );
-
- /* Register functions */
-
- (*hostApi)->Terminate = Terminate;
- (*hostApi)->OpenStream = OpenStream;
- (*hostApi)->IsFormatSupported = IsFormatSupported;
-
- PaUtil_InitializeStreamInterface( &jackHostApi->callbackStreamInterface,
- CloseStream, StartStream,
- StopStream, AbortStream,
- IsStreamStopped, IsStreamActive,
- GetStreamTime, GetStreamCpuLoad,
- PaUtil_DummyRead, PaUtil_DummyWrite,
- PaUtil_DummyGetReadAvailable,
- PaUtil_DummyGetWriteAvailable );
-
- PaUtil_InitializeStreamInterface( &jackHostApi->blockingStreamInterface, CloseStream, StartStream,
- StopStream, AbortStream, IsStreamStopped, IsStreamActive,
- GetStreamTime, PaUtil_DummyGetCpuLoad,
- BlockingReadStream, BlockingWriteStream,
- BlockingGetStreamReadAvailable, BlockingGetStreamWriteAvailable );
-
- jackHostApi->inputBase = jackHostApi->outputBase = 0;
- jackHostApi->xrun = 0;
- jackHostApi->toAdd = jackHostApi->toRemove = NULL;
- jackHostApi->processQueue = NULL;
- jackHostApi->jackIsDown = 0;
-
- jack_on_shutdown( jackHostApi->jack_client, JackOnShutdown, jackHostApi );
- jack_set_error_function( JackErrorCallback );
- jackHostApi->jack_buffer_size = jack_get_buffer_size ( jackHostApi->jack_client );
- UNLESS( !jack_set_sample_rate_callback( jackHostApi->jack_client, JackSrCb, jackHostApi ), paUnanticipatedHostError );
- UNLESS( !jack_set_xrun_callback( jackHostApi->jack_client, JackXRunCb, jackHostApi ), paUnanticipatedHostError );
- UNLESS( !jack_set_process_callback( jackHostApi->jack_client, JackCallback, jackHostApi ), paUnanticipatedHostError );
- UNLESS( !jack_activate( jackHostApi->jack_client ), paUnanticipatedHostError );
- activated = 1;
-
- return result;
-
-error:
- if( activated )
- ASSERT_CALL( jack_deactivate( jackHostApi->jack_client ), 0 );
-
- if( jackHostApi )
- {
- if( jackHostApi->jack_client )
- ASSERT_CALL( jack_client_close( jackHostApi->jack_client ), 0 );
-
- if( jackHostApi->deviceInfoMemory )
- {
- PaUtil_FreeAllAllocations( jackHostApi->deviceInfoMemory );
- PaUtil_DestroyAllocationGroup( jackHostApi->deviceInfoMemory );
- }
-
- PaUtil_FreeMemory( jackHostApi );
- }
- return result;
-}
-
-
-static void Terminate( struct PaUtilHostApiRepresentation *hostApi )
-{
- PaJackHostApiRepresentation *jackHostApi = (PaJackHostApiRepresentation*)hostApi;
-
- /* note: this automatically disconnects all ports, since a deactivated
- * client is not allowed to have any ports connected */
- ASSERT_CALL( jack_deactivate( jackHostApi->jack_client ), 0 );
-
- ASSERT_CALL( pthread_mutex_destroy( &jackHostApi->mtx ), 0 );
- ASSERT_CALL( pthread_cond_destroy( &jackHostApi->cond ), 0 );
-
- ASSERT_CALL( jack_client_close( jackHostApi->jack_client ), 0 );
-
- if( jackHostApi->deviceInfoMemory )
- {
- PaUtil_FreeAllAllocations( jackHostApi->deviceInfoMemory );
- PaUtil_DestroyAllocationGroup( jackHostApi->deviceInfoMemory );
- }
-
- PaUtil_FreeMemory( jackHostApi );
-
- free( jackErr_ );
-}
-
-static PaError IsFormatSupported( struct PaUtilHostApiRepresentation *hostApi,
- const PaStreamParameters *inputParameters,
- const PaStreamParameters *outputParameters,
- double sampleRate )
-{
- int inputChannelCount = 0, outputChannelCount = 0;
- PaSampleFormat inputSampleFormat, outputSampleFormat;
-
- if( inputParameters )
- {
- inputChannelCount = inputParameters->channelCount;
- inputSampleFormat = inputParameters->sampleFormat;
-
- /* unless alternate device specification is supported, reject the use of
- paUseHostApiSpecificDeviceSpecification */
-
- if( inputParameters->device == paUseHostApiSpecificDeviceSpecification )
- return paInvalidDevice;
-
- /* check that input device can support inputChannelCount */
- if( inputChannelCount > hostApi->deviceInfos[ inputParameters->device ]->maxInputChannels )
- return paInvalidChannelCount;
-
- /* validate inputStreamInfo */
- if( inputParameters->hostApiSpecificStreamInfo )
- return paIncompatibleHostApiSpecificStreamInfo; /* this implementation doesn't use custom stream info */
- }
- else
- {
- inputChannelCount = 0;
- }
-
- if( outputParameters )
- {
- outputChannelCount = outputParameters->channelCount;
- outputSampleFormat = outputParameters->sampleFormat;
-
- /* unless alternate device specification is supported, reject the use of
- paUseHostApiSpecificDeviceSpecification */
-
- if( outputParameters->device == paUseHostApiSpecificDeviceSpecification )
- return paInvalidDevice;
-
- /* check that output device can support inputChannelCount */
- if( outputChannelCount > hostApi->deviceInfos[ outputParameters->device ]->maxOutputChannels )
- return paInvalidChannelCount;
-
- /* validate outputStreamInfo */
- if( outputParameters->hostApiSpecificStreamInfo )
- return paIncompatibleHostApiSpecificStreamInfo; /* this implementation doesn't use custom stream info */
- }
- else
- {
- outputChannelCount = 0;
- }
-
- /*
- The following check is not necessary for JACK.
-
- - if a full duplex stream is requested, check that the combination
- of input and output parameters is supported
-
-
- Because the buffer adapter handles conversion between all standard
- sample formats, the following checks are only required if paCustomFormat
- is implemented, or under some other unusual conditions.
-
- - check that input device can support inputSampleFormat, or that
- we have the capability to convert from outputSampleFormat to
- a native format
-
- - check that output device can support outputSampleFormat, or that
- we have the capability to convert from outputSampleFormat to
- a native format
- */
-
- /* check that the device supports sampleRate */
-
-#define ABS(x) ( (x) > 0 ? (x) : -(x) )
- if( ABS(sampleRate - jack_get_sample_rate(((PaJackHostApiRepresentation *) hostApi)->jack_client )) > 1 )
- return paInvalidSampleRate;
-#undef ABS
-
- return paFormatIsSupported;
-}
-
-/* Basic stream initialization */
-static PaError InitializeStream( PaJackStream *stream, PaJackHostApiRepresentation *hostApi, int numInputChannels,
- int numOutputChannels )
-{
- PaError result = paNoError;
- assert( stream );
-
- memset( stream, 0, sizeof (PaJackStream) );
- UNLESS( stream->stream_memory = PaUtil_CreateAllocationGroup(), paInsufficientMemory );
- stream->jack_client = hostApi->jack_client;
- stream->hostApi = hostApi;
-
- if( numInputChannels > 0 )
- {
- UNLESS( stream->local_input_ports =
- (jack_port_t**) PaUtil_GroupAllocateMemory( stream->stream_memory, sizeof(jack_port_t*) * numInputChannels ),
- paInsufficientMemory );
- memset( stream->local_input_ports, 0, sizeof(jack_port_t*) * numInputChannels );
- UNLESS( stream->remote_output_ports =
- (jack_port_t**) PaUtil_GroupAllocateMemory( stream->stream_memory, sizeof(jack_port_t*) * numInputChannels ),
- paInsufficientMemory );
- memset( stream->remote_output_ports, 0, sizeof(jack_port_t*) * numInputChannels );
- }
- if( numOutputChannels > 0 )
- {
- UNLESS( stream->local_output_ports =
- (jack_port_t**) PaUtil_GroupAllocateMemory( stream->stream_memory, sizeof(jack_port_t*) * numOutputChannels ),
- paInsufficientMemory );
- memset( stream->local_output_ports, 0, sizeof(jack_port_t*) * numOutputChannels );
- UNLESS( stream->remote_input_ports =
- (jack_port_t**) PaUtil_GroupAllocateMemory( stream->stream_memory, sizeof(jack_port_t*) * numOutputChannels ),
- paInsufficientMemory );
- memset( stream->remote_input_ports, 0, sizeof(jack_port_t*) * numOutputChannels );
- }
-
- stream->num_incoming_connections = numInputChannels;
- stream->num_outgoing_connections = numOutputChannels;
-
-error:
- return result;
-}
-
-/*!
- * Free resources associated with stream, and eventually stream itself.
- *
- * Frees allocated memory, and closes opened pcms.
- */
-static void CleanUpStream( PaJackStream *stream, int terminateStreamRepresentation, int terminateBufferProcessor )
-{
- int i;
- assert( stream );
-
- if( stream->isBlockingStream )
- BlockingEnd( stream );
-
- for( i = 0; i < stream->num_incoming_connections; ++i )
- {
- if( stream->local_input_ports[i] )
- ASSERT_CALL( jack_port_unregister( stream->jack_client, stream->local_input_ports[i] ), 0 );
- free( stream->remote_output_ports[i] );
- }
- for( i = 0; i < stream->num_outgoing_connections; ++i )
- {
- if( stream->local_output_ports[i] )
- ASSERT_CALL( jack_port_unregister( stream->jack_client, stream->local_output_ports[i] ), 0 );
- free( stream->remote_input_ports[i] );
- }
-
- if( terminateStreamRepresentation )
- PaUtil_TerminateStreamRepresentation( &stream->streamRepresentation );
- if( terminateBufferProcessor )
- PaUtil_TerminateBufferProcessor( &stream->bufferProcessor );
-
- if( stream->stream_memory )
- {
- PaUtil_FreeAllAllocations( stream->stream_memory );
- PaUtil_DestroyAllocationGroup( stream->stream_memory );
- }
- PaUtil_FreeMemory( stream );
-}
-
-static PaError WaitCondition( PaJackHostApiRepresentation *hostApi )
-{
- PaError result = paNoError;
- int err = 0;
- PaTime pt = PaUtil_GetTime();
- struct timespec ts;
-
- ts.tv_sec = (time_t) floor( pt + 1 );
- ts.tv_nsec = (long) ((pt - floor( pt )) * 1000000000);
- /* XXX: Best enclose in loop, in case of spurious wakeups? */
- err = pthread_cond_timedwait( &hostApi->cond, &hostApi->mtx, &ts );
-
- /* Make sure we didn't time out */
- UNLESS( err != ETIMEDOUT, paTimedOut );
- UNLESS( !err, paInternalError );
-
-error:
- return result;
-}
-
-static PaError AddStream( PaJackStream *stream )
-{
- PaError result = paNoError;
- PaJackHostApiRepresentation *hostApi = stream->hostApi;
- /* Add to queue of streams that should be processed */
- ASSERT_CALL( pthread_mutex_lock( &hostApi->mtx ), 0 );
- if( !hostApi->jackIsDown )
- {
- hostApi->toAdd = stream;
- /* Unlock mutex and await signal from processing thread */
- result = WaitCondition( stream->hostApi );
- }
- ASSERT_CALL( pthread_mutex_unlock( &hostApi->mtx ), 0 );
- ENSURE_PA( result );
-
- UNLESS( !hostApi->jackIsDown, paDeviceUnavailable );
-
-error:
- return result;
-}
-
-/* Remove stream from processing queue */
-static PaError RemoveStream( PaJackStream *stream )
-{
- PaError result = paNoError;
- PaJackHostApiRepresentation *hostApi = stream->hostApi;
-
- /* Add to queue over streams that should be processed */
- ASSERT_CALL( pthread_mutex_lock( &hostApi->mtx ), 0 );
- if( !hostApi->jackIsDown )
- {
- hostApi->toRemove = stream;
- /* Unlock mutex and await signal from processing thread */
- result = WaitCondition( stream->hostApi );
- }
- ASSERT_CALL( pthread_mutex_unlock( &hostApi->mtx ), 0 );
- ENSURE_PA( result );
-
-error:
- return result;
-}
-
-/* Add stream to processing queue */
-static PaError OpenStream( struct PaUtilHostApiRepresentation *hostApi,
- PaStream** s,
- const PaStreamParameters *inputParameters,
- const PaStreamParameters *outputParameters,
- double sampleRate,
- unsigned long framesPerBuffer,
- PaStreamFlags streamFlags,
- PaStreamCallback *streamCallback,
- void *userData )
-{
- PaError result = paNoError;
- PaJackHostApiRepresentation *jackHostApi = (PaJackHostApiRepresentation*)hostApi;
- PaJackStream *stream = NULL;
- char *port_string = alloca( jack_port_name_size() );
- unsigned long regexSz = jack_client_name_size() + 3;
- char *regex_pattern = alloca( regexSz );
- const char **jack_ports = NULL;
- /* int jack_max_buffer_size = jack_get_buffer_size( jackHostApi->jack_client ); */
- int i;
- int inputChannelCount, outputChannelCount;
- const double jackSr = jack_get_sample_rate( jackHostApi->jack_client );
- PaSampleFormat inputSampleFormat = 0, outputSampleFormat = 0;
- int bpInitialized = 0, srInitialized = 0; /* Initialized buffer processor and stream representation? */
- unsigned long ofs;
-
- /* validate platform specific flags */
- if( (streamFlags & paPlatformSpecificFlags) != 0 )
- return paInvalidFlag; /* unexpected platform specific flag */
- if( (streamFlags & paPrimeOutputBuffersUsingStreamCallback) != 0 )
- {
- streamFlags &= ~paPrimeOutputBuffersUsingStreamCallback;
- /*return paInvalidFlag;*/ /* This implementation does not support buffer priming */
- }
-
- if( framesPerBuffer != paFramesPerBufferUnspecified )
- {
- /* Jack operates with power of two buffers, and we don't support non-integer buffer adaption (yet) */
- /*UNLESS( !(framesPerBuffer & (framesPerBuffer - 1)), paBufferTooBig );*/ /* TODO: Add descriptive error code? */
- }
-
- /* Preliminary checks */
-
- if( inputParameters )
- {
- inputChannelCount = inputParameters->channelCount;
- inputSampleFormat = inputParameters->sampleFormat;
-
- /* unless alternate device specification is supported, reject the use of
- paUseHostApiSpecificDeviceSpecification */
-
- if( inputParameters->device == paUseHostApiSpecificDeviceSpecification )
- return paInvalidDevice;
-
- /* check that input device can support inputChannelCount */
- if( inputChannelCount > hostApi->deviceInfos[ inputParameters->device ]->maxInputChannels )
- return paInvalidChannelCount;
-
- /* validate inputStreamInfo */
- if( inputParameters->hostApiSpecificStreamInfo )
- return paIncompatibleHostApiSpecificStreamInfo; /* this implementation doesn't use custom stream info */
- }
- else
- {
- inputChannelCount = 0;
- }
-
- if( outputParameters )
- {
- outputChannelCount = outputParameters->channelCount;
- outputSampleFormat = outputParameters->sampleFormat;
-
- /* unless alternate device specification is supported, reject the use of
- paUseHostApiSpecificDeviceSpecification */
-
- if( outputParameters->device == paUseHostApiSpecificDeviceSpecification )
- return paInvalidDevice;
-
- /* check that output device can support inputChannelCount */
- if( outputChannelCount > hostApi->deviceInfos[ outputParameters->device ]->maxOutputChannels )
- return paInvalidChannelCount;
-
- /* validate outputStreamInfo */
- if( outputParameters->hostApiSpecificStreamInfo )
- return paIncompatibleHostApiSpecificStreamInfo; /* this implementation doesn't use custom stream info */
- }
- else
- {
- outputChannelCount = 0;
- }
-
- /* ... check that the sample rate exactly matches the ONE acceptable rate
- * A: This rate isn't necessarily constant though? */
-
-#define ABS(x) ( (x) > 0 ? (x) : -(x) )
- if( ABS(sampleRate - jackSr) > 1 )
- return paInvalidSampleRate;
-#undef ABS
-
- UNLESS( stream = (PaJackStream*)PaUtil_AllocateMemory( sizeof(PaJackStream) ), paInsufficientMemory );
- ENSURE_PA( InitializeStream( stream, jackHostApi, inputChannelCount, outputChannelCount ) );
-
- /* the blocking emulation, if necessary */
- stream->isBlockingStream = !streamCallback;
- if( stream->isBlockingStream )
- {
- float latency = 0.001; /* 1ms is the absolute minimum we support */
- int minimum_buffer_frames = 0;
-
- if( inputParameters && inputParameters->suggestedLatency > latency )
- latency = inputParameters->suggestedLatency;
- else if( outputParameters && outputParameters->suggestedLatency > latency )
- latency = outputParameters->suggestedLatency;
-
- /* the latency the user asked for indicates the minimum buffer size in frames */
- minimum_buffer_frames = (int) (latency * jack_get_sample_rate( jackHostApi->jack_client ));
-
- /* we also need to be able to store at least three full jack buffers to avoid dropouts */
- if( jackHostApi->jack_buffer_size * 3 > minimum_buffer_frames )
- minimum_buffer_frames = jackHostApi->jack_buffer_size * 3;
-
- /* setup blocking API data structures (FIXME: can fail) */
- BlockingBegin( stream, minimum_buffer_frames );
-
- /* install our own callback for the blocking API */
- streamCallback = BlockingCallback;
- userData = stream;
-
- PaUtil_InitializeStreamRepresentation( &stream->streamRepresentation,
- &jackHostApi->blockingStreamInterface, streamCallback, userData );
- }
- else
- {
- PaUtil_InitializeStreamRepresentation( &stream->streamRepresentation,
- &jackHostApi->callbackStreamInterface, streamCallback, userData );
- }
- srInitialized = 1;
- PaUtil_InitializeCpuLoadMeasurer( &stream->cpuLoadMeasurer, jackSr );
-
- /* create the JACK ports. We cannot connect them until audio
- * processing begins */
-
- /* Register a unique set of ports for this stream
- * TODO: Robust allocation of new port names */
-
- ofs = jackHostApi->inputBase;
- for( i = 0; i < inputChannelCount; i++ )
- {
- snprintf( port_string, jack_port_name_size(), "in_%lu", ofs + i );
- UNLESS( stream->local_input_ports[i] = jack_port_register(
- jackHostApi->jack_client, port_string,
- JACK_DEFAULT_AUDIO_TYPE, JackPortIsInput, 0 ), paInsufficientMemory );
- }
- jackHostApi->inputBase += inputChannelCount;
-
- ofs = jackHostApi->outputBase;
- for( i = 0; i < outputChannelCount; i++ )
- {
- snprintf( port_string, jack_port_name_size(), "out_%lu", ofs + i );
- UNLESS( stream->local_output_ports[i] = jack_port_register(
- jackHostApi->jack_client, port_string,
- JACK_DEFAULT_AUDIO_TYPE, JackPortIsOutput, 0 ), paInsufficientMemory );
- }
- jackHostApi->outputBase += outputChannelCount;
-
- /* look up the jack_port_t's for the remote ports. We could do
- * this at stream start time, but doing it here ensures the
- * name lookup only happens once. */
-
- if( inputChannelCount > 0 )
- {
- int err = 0;
-
- /* ... remote output ports (that we input from) */
- snprintf( regex_pattern, regexSz, "%s:.*", hostApi->deviceInfos[ inputParameters->device ]->name );
- UNLESS( jack_ports = jack_get_ports( jackHostApi->jack_client, regex_pattern,
- NULL, JackPortIsOutput ), paUnanticipatedHostError );
- for( i = 0; i < inputChannelCount && jack_ports[i]; i++ )
- {
- if( (stream->remote_output_ports[i] = jack_port_by_name(
- jackHostApi->jack_client, jack_ports[i] )) == NULL )
- {
- err = 1;
- break;
- }
- }
- free( jack_ports );
- UNLESS( !err, paInsufficientMemory );
-
- /* Fewer ports than expected? */
- UNLESS( i == inputChannelCount, paInternalError );
- }
-
- if( outputChannelCount > 0 )
- {
- int err = 0;
-
- /* ... remote input ports (that we output to) */
- snprintf( regex_pattern, regexSz, "%s:.*", hostApi->deviceInfos[ outputParameters->device ]->name );
- UNLESS( jack_ports = jack_get_ports( jackHostApi->jack_client, regex_pattern,
- NULL, JackPortIsInput ), paUnanticipatedHostError );
- for( i = 0; i < outputChannelCount && jack_ports[i]; i++ )
- {
- if( (stream->remote_input_ports[i] = jack_port_by_name(
- jackHostApi->jack_client, jack_ports[i] )) == 0 )
- {
- err = 1;
- break;
- }
- }
- free( jack_ports );
- UNLESS( !err , paInsufficientMemory );
-
- /* Fewer ports than expected? */
- UNLESS( i == outputChannelCount, paInternalError );
- }
-
- ENSURE_PA( PaUtil_InitializeBufferProcessor(
- &stream->bufferProcessor,
- inputChannelCount,
- inputSampleFormat,
- paFloat32, /* hostInputSampleFormat */
- outputChannelCount,
- outputSampleFormat,
- paFloat32, /* hostOutputSampleFormat */
- jackSr,
- streamFlags,
- framesPerBuffer,
- 0, /* Ignored */
- paUtilUnknownHostBufferSize, /* Buffer size may vary on JACK's discretion */
- streamCallback,
- userData ) );
- bpInitialized = 1;
-
- if( stream->num_incoming_connections > 0 )
- stream->streamRepresentation.streamInfo.inputLatency = (jack_port_get_latency( stream->remote_output_ports[0] )
- - jack_get_buffer_size( jackHostApi->jack_client ) /* One buffer is not counted as latency */
- + PaUtil_GetBufferProcessorInputLatency( &stream->bufferProcessor )) / sampleRate;
- if( stream->num_outgoing_connections > 0 )
- stream->streamRepresentation.streamInfo.outputLatency = (jack_port_get_latency( stream->remote_input_ports[0] )
- - jack_get_buffer_size( jackHostApi->jack_client ) /* One buffer is not counted as latency */
- + PaUtil_GetBufferProcessorOutputLatency( &stream->bufferProcessor )) / sampleRate;
-
- stream->streamRepresentation.streamInfo.sampleRate = jackSr;
- stream->t0 = jack_frame_time( jackHostApi->jack_client ); /* A: Time should run from Pa_OpenStream */
-
- ENSURE_PA( AddStream( stream ) ); /* Add to queue over opened streams */
-
- *s = (PaStream*)stream;
-
- return result;
-
-error:
- if( stream )
- CleanUpStream( stream, srInitialized, bpInitialized );
-
- return result;
-}
-
-/*
- When CloseStream() is called, the multi-api layer ensures that
- the stream has already been stopped or aborted.
-*/
-static PaError CloseStream( PaStream* s )
-{
- PaError result = paNoError;
- PaJackStream *stream = (PaJackStream*)s;
-
- /* Remove this stream from the processing queue */
- ENSURE_PA( RemoveStream( stream ) );
-
-error:
- CleanUpStream( stream, 1, 1 );
- return result;
-}
-
-static PaError RealProcess( PaJackStream *stream, jack_nframes_t frames )
-{
- PaError result = paNoError;
- PaStreamCallbackTimeInfo timeInfo = {0,0,0};
- int chn;
- int framesProcessed;
- const double sr = jack_get_sample_rate( stream->jack_client ); /* Shouldn't change during the process callback */
- PaStreamCallbackFlags cbFlags = 0;
-
- /* If the user has returned !paContinue from the callback we'll want to flush the internal buffers,
- * when these are empty we can finally mark the stream as inactive */
- if( stream->callbackResult != paContinue &&
- PaUtil_IsBufferProcessorOutputEmpty( &stream->bufferProcessor ) )
- {
- stream->is_active = 0;
- if( stream->streamRepresentation.streamFinishedCallback )
- stream->streamRepresentation.streamFinishedCallback( stream->streamRepresentation.userData );
- PA_DEBUG(( "%s: Callback finished\n", __FUNCTION__ ));
-
- goto end;
- }
-
- timeInfo.currentTime = (jack_frame_time( stream->jack_client ) - stream->t0) / sr;
- if( stream->num_incoming_connections > 0 )
- timeInfo.inputBufferAdcTime = timeInfo.currentTime - jack_port_get_latency( stream->remote_output_ports[0] )
- / sr;
- if( stream->num_outgoing_connections > 0 )
- timeInfo.outputBufferDacTime = timeInfo.currentTime + jack_port_get_latency( stream->remote_input_ports[0] )
- / sr;
-
- PaUtil_BeginCpuLoadMeasurement( &stream->cpuLoadMeasurer );
-
- if( stream->xrun )
- {
- /* XXX: Any way to tell which of these occurred? */
- cbFlags = paOutputUnderflow | paInputOverflow;
- stream->xrun = FALSE;
- }
- PaUtil_BeginBufferProcessing( &stream->bufferProcessor, &timeInfo,
- cbFlags );
-
- if( stream->num_incoming_connections > 0 )
- PaUtil_SetInputFrameCount( &stream->bufferProcessor, frames );
- if( stream->num_outgoing_connections > 0 )
- PaUtil_SetOutputFrameCount( &stream->bufferProcessor, frames );
-
- for( chn = 0; chn < stream->num_incoming_connections; chn++ )
- {
- jack_default_audio_sample_t *channel_buf = (jack_default_audio_sample_t*)
- jack_port_get_buffer( stream->local_input_ports[chn],
- frames );
-
- PaUtil_SetNonInterleavedInputChannel( &stream->bufferProcessor,
- chn,
- channel_buf );
- }
-
- for( chn = 0; chn < stream->num_outgoing_connections; chn++ )
- {
- jack_default_audio_sample_t *channel_buf = (jack_default_audio_sample_t*)
- jack_port_get_buffer( stream->local_output_ports[chn],
- frames );
-
- PaUtil_SetNonInterleavedOutputChannel( &stream->bufferProcessor,
- chn,
- channel_buf );
- }
-
- framesProcessed = PaUtil_EndBufferProcessing( &stream->bufferProcessor,
- &stream->callbackResult );
- /* We've specified a host buffer size mode where every frame should be consumed by the buffer processor */
- assert( framesProcessed == frames );
-
- PaUtil_EndCpuLoadMeasurement( &stream->cpuLoadMeasurer, framesProcessed );
-
-end:
- return result;
-}
-
-/* Alter the processing queue if necessary */
-static PaError UpdateQueue( PaJackHostApiRepresentation *hostApi )
-{
- PaError result = paNoError;
- int queueModified = 0;
- const double jackSr = jack_get_sample_rate( hostApi->jack_client );
- int err;
-
- if( (err = pthread_mutex_trylock( &hostApi->mtx )) != 0 )
- {
- assert( err == EBUSY );
- return paNoError;
- }
-
- if( hostApi->toAdd )
- {
- if( hostApi->processQueue )
- {
- PaJackStream *node = hostApi->processQueue;
- /* Advance to end of queue */
- while( node->next )
- node = node->next;
-
- node->next = hostApi->toAdd;
- }
- else
- hostApi->processQueue = (PaJackStream *)hostApi->toAdd;
-
- /* If necessary, update stream state */
- if( hostApi->toAdd->streamRepresentation.streamInfo.sampleRate != jackSr )
- UpdateSampleRate( hostApi->toAdd, jackSr );
-
- hostApi->toAdd = NULL;
- queueModified = 1;
- }
- if( hostApi->toRemove )
- {
- int removed = 0;
- PaJackStream *node = hostApi->processQueue, *prev = NULL;
- assert( hostApi->processQueue );
-
- while( node )
- {
- if( node == hostApi->toRemove )
- {
- if( prev )
- prev->next = node->next;
- else
- hostApi->processQueue = (PaJackStream *)node->next;
-
- removed = 1;
- break;
- }
-
- prev = node;
- node = node->next;
- }
- UNLESS( removed, paInternalError );
- hostApi->toRemove = NULL;
- PA_DEBUG(( "%s: Removed stream from processing queue\n", __FUNCTION__ ));
- queueModified = 1;
- }
-
- if( queueModified )
- {
- /* Signal that we've done what was asked of us */
- ASSERT_CALL( pthread_cond_signal( &hostApi->cond ), 0 );
- }
-
-error:
- ASSERT_CALL( pthread_mutex_unlock( &hostApi->mtx ), 0 );
-
- return result;
-}
-
-static int JackCallback( jack_nframes_t frames, void *userData )
-{
- PaError result = paNoError;
- PaJackHostApiRepresentation *hostApi = (PaJackHostApiRepresentation *)userData;
- PaJackStream *stream = NULL;
- int xrun = hostApi->xrun;
- hostApi->xrun = 0;
-
- assert( hostApi );
-
- ENSURE_PA( UpdateQueue( hostApi ) );
-
- /* Process each stream */
- stream = hostApi->processQueue;
- for( ; stream; stream = stream->next )
- {
- if( xrun ) /* Don't override if already set */
- stream->xrun = 1;
-
- /* See if this stream is to be started */
- if( stream->doStart )
- {
- /* If we can't obtain a lock, we'll try next time */
- int err = pthread_mutex_trylock( &stream->hostApi->mtx );
- if( !err )
- {
- if( stream->doStart ) /* Could potentially change before obtaining the lock */
- {
- stream->is_active = 1;
- stream->doStart = 0;
- PA_DEBUG(( "%s: Starting stream\n", __FUNCTION__ ));
- ASSERT_CALL( pthread_cond_signal( &stream->hostApi->cond ), 0 );
- stream->callbackResult = paContinue;
- stream->isSilenced = 0;
- }
-
- ASSERT_CALL( pthread_mutex_unlock( &stream->hostApi->mtx ), 0 );
- }
- else
- assert( err == EBUSY );
- }
- else if( stream->doStop || stream->doAbort ) /* Should we stop/abort stream? */
- {
- if( stream->callbackResult == paContinue ) /* Ok, make it stop */
- {
- PA_DEBUG(( "%s: Stopping stream\n", __FUNCTION__ ));
- stream->callbackResult = stream->doStop ? paComplete : paAbort;
- }
- }
-
- if( stream->is_active )
- ENSURE_PA( RealProcess( stream, frames ) );
- /* If we have just entered inactive state, silence output */
- if( !stream->is_active && !stream->isSilenced )
- {
- int i;
-
- /* Silence buffer after entering inactive state */
- PA_DEBUG(( "Silencing the output\n" ));
- for( i = 0; i < stream->num_outgoing_connections; ++i )
- {
- jack_default_audio_sample_t *buffer = jack_port_get_buffer( stream->local_output_ports[i], frames );
- memset( buffer, 0, sizeof (jack_default_audio_sample_t) * frames );
- }
-
- stream->isSilenced = 1;
- }
-
- if( stream->doStop || stream->doAbort )
- {
- /* See if RealProcess has acted on the request */
- if( !stream->is_active ) /* Ok, signal to the main thread that we've carried out the operation */
- {
- /* If we can't obtain a lock, we'll try next time */
- int err = pthread_mutex_trylock( &stream->hostApi->mtx );
- if( !err )
- {
- stream->doStop = stream->doAbort = 0;
- ASSERT_CALL( pthread_cond_signal( &stream->hostApi->cond ), 0 );
- ASSERT_CALL( pthread_mutex_unlock( &stream->hostApi->mtx ), 0 );
- }
- else
- assert( err == EBUSY );
- }
- }
- }
-
- return 0;
-error:
- return -1;
-}
-
-static PaError StartStream( PaStream *s )
-{
- PaError result = paNoError;
- PaJackStream *stream = (PaJackStream*)s;
- int i;
-
- /* Ready the processor */
- PaUtil_ResetBufferProcessor( &stream->bufferProcessor );
-
- /* connect the ports */
-
- /* NOTE: I would rather use jack_port_connect which uses jack_port_t's
- * instead of port names, but it is not implemented yet. */
- if( stream->num_incoming_connections > 0 )
- {
- for( i = 0; i < stream->num_incoming_connections; i++ )
- UNLESS( jack_connect( stream->jack_client,
- jack_port_name( stream->remote_output_ports[i] ),
- jack_port_name( stream->local_input_ports[i] ) ) == 0, paUnanticipatedHostError );
- }
-
- if( stream->num_outgoing_connections > 0 )
- {
- for( i = 0; i < stream->num_outgoing_connections; i++ )
- UNLESS( jack_connect( stream->jack_client,
- jack_port_name( stream->local_output_ports[i] ),
- jack_port_name( stream->remote_input_ports[i] ) ) == 0, paUnanticipatedHostError );
- }
-
- stream->xrun = FALSE;
-
- /* Enable processing */
-
- ASSERT_CALL( pthread_mutex_lock( &stream->hostApi->mtx ), 0 );
- stream->doStart = 1;
-
- /* Wait for stream to be started */
- result = WaitCondition( stream->hostApi );
- /*
- do
- {
- err = pthread_cond_timedwait( &stream->hostApi->cond, &stream->hostApi->mtx, &ts );
- } while( !stream->is_active && !err );
- */
- if( result != paNoError ) /* Something went wrong, call off the stream start */
- {
- stream->doStart = 0;
- stream->is_active = 0; /* Cancel any processing */
- }
- ASSERT_CALL( pthread_mutex_unlock( &stream->hostApi->mtx ), 0 );
-
- ENSURE_PA( result );
-
- stream->is_running = TRUE;
- PA_DEBUG(( "%s: Stream started\n", __FUNCTION__ ));
-
-error:
- return result;
-}
-
-static PaError RealStop( PaJackStream *stream, int abort )
-{
- PaError result = paNoError;
- int i;
-
- if( stream->isBlockingStream )
- BlockingWaitEmpty ( stream );
-
- ASSERT_CALL( pthread_mutex_lock( &stream->hostApi->mtx ), 0 );
- if( abort )
- stream->doAbort = 1;
- else
- stream->doStop = 1;
-
- /* Wait for stream to be stopped */
- result = WaitCondition( stream->hostApi );
- ASSERT_CALL( pthread_mutex_unlock( &stream->hostApi->mtx ), 0 );
- ENSURE_PA( result );
-
- UNLESS( !stream->is_active, paInternalError );
-
- PA_DEBUG(( "%s: Stream stopped\n", __FUNCTION__ ));
-
-error:
- stream->is_running = FALSE;
-
- /* Disconnect ports belonging to this stream */
-
- if( !stream->hostApi->jackIsDown ) /* XXX: Well? */
- {
- if( stream->num_incoming_connections > 0 )
- {
- for( i = 0; i < stream->num_incoming_connections; i++ )
- UNLESS( !jack_disconnect( stream->jack_client,
- jack_port_name( stream->remote_output_ports[i] ),
- jack_port_name( stream->local_input_ports[i] ) ), paUnanticipatedHostError );
- }
- if( stream->num_outgoing_connections > 0 )
- {
- for( i = 0; i < stream->num_outgoing_connections; i++ )
- UNLESS( !jack_disconnect( stream->jack_client,
- jack_port_name( stream->local_output_ports[i] ),
- jack_port_name( stream->remote_input_ports[i] ) ), paUnanticipatedHostError );
- }
- }
-
- return result;
-}
-
-static PaError StopStream( PaStream *s )
-{
- assert(s);
- return RealStop( (PaJackStream *)s, 0 );
-}
-
-static PaError AbortStream( PaStream *s )
-{
- assert(s);
- return RealStop( (PaJackStream *)s, 1 );
-}
-
-static PaError IsStreamStopped( PaStream *s )
-{
- PaJackStream *stream = (PaJackStream*)s;
- return !stream->is_running;
-}
-
-
-static PaError IsStreamActive( PaStream *s )
-{
- PaJackStream *stream = (PaJackStream*)s;
- return stream->is_active;
-}
-
-
-static PaTime GetStreamTime( PaStream *s )
-{
- PaJackStream *stream = (PaJackStream*)s;
-
- /* A: Is this relevant?? --> TODO: what if we're recording-only? */
- return (jack_frame_time( stream->jack_client ) - stream->t0) / (PaTime)jack_get_sample_rate( stream->jack_client );
-}
-
-
-static double GetStreamCpuLoad( PaStream* s )
-{
- PaJackStream *stream = (PaJackStream*)s;
- return PaUtil_GetCpuLoad( &stream->cpuLoadMeasurer );
-}
diff --git a/src/audio/portaudio/pa_linux_alsa/pa_linux_alsa.c b/src/audio/portaudio/pa_linux_alsa/pa_linux_alsa.c
deleted file mode 100644
index f12483ddea..0000000000
--- a/src/audio/portaudio/pa_linux_alsa/pa_linux_alsa.c
+++ /dev/null
@@ -1,3272 +0,0 @@
-/*
- * $Id$
- * PortAudio Portable Real-Time Audio Library
- * Latest Version at: http://www.portaudio.com
- * ALSA implementation by Joshua Haberman and Arve Knudsen
- *
- * Copyright (c) 2002 Joshua Haberman <joshua@haberman.com>
- * Copyright (c) 2005 Arve Knudsen <aknuds-1@broadpark.no>
- *
- * Based on the Open Source API proposed by Ross Bencina
- * Copyright (c) 1999-2002 Ross Bencina, Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-#define ALSA_PCM_NEW_HW_PARAMS_API
-#define ALSA_PCM_NEW_SW_PARAMS_API
-#include <alsa/asoundlib.h>
-#undef ALSA_PCM_NEW_HW_PARAMS_API
-#undef ALSA_PCM_NEW_SW_PARAMS_API
-
-#include <sys/poll.h>
-#include <string.h> /* strlen() */
-#include <limits.h>
-#include <math.h>
-#include <pthread.h>
-#include <signal.h>
-#include <time.h>
-#include <sys/mman.h>
-#include <signal.h> /* For sig_atomic_t */
-
-#include "portaudio.h"
-#include "pa_util.h"
-#include "../pa_unix/pa_unix_util.h"
-#include "pa_allocation.h"
-#include "pa_hostapi.h"
-#include "pa_stream.h"
-#include "pa_cpuload.h"
-#include "pa_process.h"
-
-#include "pa_linux_alsa.h"
-
-/* Check return value of ALSA function, and map it to PaError */
-#define ENSURE_(expr, code) \
- do { \
- if( UNLIKELY( (aErr_ = (expr)) < 0 ) ) \
- { \
- /* PaUtil_SetLastHostErrorInfo should only be used in the main thread */ \
- if( (code) == paUnanticipatedHostError && pthread_self() != callbackThread_ ) \
- { \
- PaUtil_SetLastHostErrorInfo( paALSA, aErr_, snd_strerror( aErr_ ) ); \
- } \
- PaUtil_DebugPrint(( "Expression '" #expr "' failed in '" __FILE__ "', line: " STRINGIZE( __LINE__ ) "\n" )); \
- result = (code); \
- goto error; \
- } \
- } while( 0 );
-
-#define ASSERT_CALL_(expr, success) \
- aErr_ = (expr); \
- assert( aErr_ == success );
-
-static int aErr_; /* Used with ENSURE_ */
-static pthread_t callbackThread_;
-
-typedef enum
-{
- StreamDirection_In,
- StreamDirection_Out
-} StreamDirection;
-
-/* Threading utility struct */
-typedef struct PaAlsaThreading
-{
- pthread_t watchdogThread;
- pthread_t callbackThread;
- int watchdogRunning;
- int rtSched;
- int rtPrio;
- int useWatchdog;
- unsigned long throttledSleepTime;
- volatile PaTime callbackTime;
- volatile PaTime callbackCpuTime;
- PaUtilCpuLoadMeasurer *cpuLoadMeasurer;
-} PaAlsaThreading;
-
-typedef struct
-{
- PaSampleFormat hostSampleFormat;
- unsigned long framesPerBuffer;
- int numUserChannels, numHostChannels;
- int userInterleaved, hostInterleaved;
-
- snd_pcm_t *pcm;
- snd_pcm_uframes_t bufferSize;
- snd_pcm_format_t nativeFormat;
- unsigned int nfds;
- int ready; /* Marked ready from poll */
- void **userBuffers;
- snd_pcm_uframes_t offset;
- StreamDirection streamDir;
-
- snd_pcm_channel_area_t *channelAreas; /* Needed for channel adaption */
-} PaAlsaStreamComponent;
-
-/* Implementation specific stream structure */
-typedef struct PaAlsaStream
-{
- PaUtilStreamRepresentation streamRepresentation;
- PaUtilCpuLoadMeasurer cpuLoadMeasurer;
- PaUtilBufferProcessor bufferProcessor;
- PaAlsaThreading threading;
-
- unsigned long framesPerUserBuffer;
-
- int primeBuffers;
- int callbackMode; /* bool: are we running in callback mode? */
- int pcmsSynced; /* Have we successfully synced pcms */
-
- /* the callback thread uses these to poll the sound device(s), waiting
- * for data to be ready/available */
- struct pollfd *pfds;
- int pollTimeout;
-
- /* Used in communication between threads */
- volatile sig_atomic_t callback_finished; /* bool: are we in the "callback finished" state? */
- volatile sig_atomic_t callbackAbort; /* Drop frames? */
- volatile sig_atomic_t callbackStop; /* Signal a stop */
- volatile sig_atomic_t isActive; /* Is stream in active state? (Between StartStream and StopStream || !paContinue) */
- pthread_mutex_t stateMtx; /* Used to synchronize access to stream state */
- pthread_mutex_t startMtx; /* Used to synchronize stream start in callback mode */
- pthread_cond_t startCond; /* Wait untill audio is started in callback thread */
-
- int neverDropInput;
-
- PaTime underrun;
- PaTime overrun;
-
- PaAlsaStreamComponent capture, playback;
-}
-PaAlsaStream;
-
-/* PaAlsaHostApiRepresentation - host api datastructure specific to this implementation */
-
-typedef struct PaAlsaHostApiRepresentation
-{
- PaUtilHostApiRepresentation commonHostApiRep;
- PaUtilStreamInterface callbackStreamInterface;
- PaUtilStreamInterface blockingStreamInterface;
-
- PaUtilAllocationGroup *allocations;
-
- PaHostApiIndex hostApiIndex;
-}
-PaAlsaHostApiRepresentation;
-
-typedef struct PaAlsaDeviceInfo
-{
- PaDeviceInfo commonDeviceInfo;
- char *alsaName;
- int isPlug;
- int minInputChannels;
- int minOutputChannels;
-}
-PaAlsaDeviceInfo;
-
-/* Threading utilities */
-
-static void InitializeThreading( PaAlsaThreading *th, PaUtilCpuLoadMeasurer *clm )
-{
- th->watchdogRunning = 0;
- th->rtSched = 0;
- th->callbackTime = 0;
- th->callbackCpuTime = 0;
- th->useWatchdog = 1;
- th->throttledSleepTime = 0;
- th->cpuLoadMeasurer = clm;
-
- th->rtPrio = (sched_get_priority_max( SCHED_FIFO ) - sched_get_priority_min( SCHED_FIFO )) / 2
- + sched_get_priority_min( SCHED_FIFO );
-}
-
-static PaError KillCallbackThread( PaAlsaThreading *th, int wait, PaError *exitResult, PaError *watchdogExitResult )
-{
- PaError result = paNoError;
- void *pret;
-
- if( exitResult )
- *exitResult = paNoError;
- if( watchdogExitResult )
- *watchdogExitResult = paNoError;
-
- if( th->watchdogRunning )
- {
- pthread_cancel( th->watchdogThread );
- ASSERT_CALL_( pthread_join( th->watchdogThread, &pret ), 0 );
-
- if( pret && pret != PTHREAD_CANCELED )
- {
- if( watchdogExitResult )
- *watchdogExitResult = *(PaError *) pret;
- free( pret );
- }
- }
-
- /* Only kill the thread if it isn't in the process of stopping (flushing adaptation buffers) */
- /* TODO: Make join time out */
- if( !wait )
- pthread_cancel( th->callbackThread ); /* XXX: Safe to call this if the thread has exited on its own? */
- ASSERT_CALL_( pthread_join( th->callbackThread, &pret ), 0 );
-
- if( pret && pret != PTHREAD_CANCELED )
- {
- if( exitResult )
- *exitResult = *(PaError *) pret;
- free( pret );
- }
-
- return result;
-}
-
-static void OnWatchdogExit( void *userData )
-{
- PaAlsaThreading *th = (PaAlsaThreading *) userData;
- struct sched_param spm = { 0 };
- assert( th );
-
- ASSERT_CALL_( pthread_setschedparam( th->callbackThread, SCHED_OTHER, &spm ), 0 ); /* Lower before exiting */
- PA_DEBUG(( "Watchdog exiting\n" ));
-}
-
-static PaError BoostPriority( PaAlsaThreading *th )
-{
- PaError result = paNoError;
- struct sched_param spm = { 0 };
- spm.sched_priority = th->rtPrio;
-
- assert( th );
-
- if( pthread_setschedparam( th->callbackThread, SCHED_FIFO, &spm ) != 0 )
- {
- PA_UNLESS( errno == EPERM, paInternalError ); /* Lack permission to raise priority */
- PA_DEBUG(( "Failed bumping priority\n" ));
- result = 0;
- }
- else
- result = 1; /* Success */
-error:
- return result;
-}
-
-static void *WatchdogFunc( void *userData )
-{
- PaError result = paNoError, *pres = NULL;
- int err;
- PaAlsaThreading *th = (PaAlsaThreading *) userData;
- unsigned intervalMsec = 500;
- const PaTime maxSeconds = 3.; /* Max seconds between callbacks */
- PaTime timeThen = PaUtil_GetTime(), timeNow, timeElapsed, cpuTimeThen, cpuTimeNow, cpuTimeElapsed;
- double cpuLoad, avgCpuLoad = 0.;
- int throttled = 0;
-
- assert( th );
-
- pthread_cleanup_push( &OnWatchdogExit, th ); /* Execute OnWatchdogExit when exiting */
-
- /* Boost priority of callback thread */
- PA_ENSURE( result = BoostPriority( th ) );
- if( !result )
- {
- pthread_exit( NULL ); /* Boost failed, might as well exit */
- }
-
- cpuTimeThen = th->callbackCpuTime;
- {
- int policy;
- struct sched_param spm = { 0 };
- pthread_getschedparam( pthread_self(), &policy, &spm );
- PA_DEBUG(( "%s: Watchdog priority is %d\n", __FUNCTION__, spm.sched_priority ));
- }
-
- while( 1 )
- {
- double lowpassCoeff = 0.9, lowpassCoeff1 = 0.99999 - lowpassCoeff;
-
- /* Test before and after in case whatever underlying sleep call isn't interrupted by pthread_cancel */
- pthread_testcancel();
- Pa_Sleep( intervalMsec );
- pthread_testcancel();
-
- if( PaUtil_GetTime() - th->callbackTime > maxSeconds )
- {
- PA_DEBUG(( "Watchdog: Terminating callback thread\n" ));
- /* Tell thread to terminate */
- err = pthread_kill( th->callbackThread, SIGKILL );
- pthread_exit( NULL );
- }
-
- PA_DEBUG(( "%s: PortAudio reports CPU load: %g\n", __FUNCTION__, PaUtil_GetCpuLoad( th->cpuLoadMeasurer ) ));
-
- /* Check if we should throttle, or unthrottle :P */
- cpuTimeNow = th->callbackCpuTime;
- cpuTimeElapsed = cpuTimeNow - cpuTimeThen;
- cpuTimeThen = cpuTimeNow;
-
- timeNow = PaUtil_GetTime();
- timeElapsed = timeNow - timeThen;
- timeThen = timeNow;
- cpuLoad = cpuTimeElapsed / timeElapsed;
- avgCpuLoad = avgCpuLoad * lowpassCoeff + cpuLoad * lowpassCoeff1;
- /*
- if( throttled )
- PA_DEBUG(( "Watchdog: CPU load: %g, %g\n", avgCpuLoad, cpuTimeElapsed ));
- */
- if( PaUtil_GetCpuLoad( th->cpuLoadMeasurer ) > .925 )
- {
- static int policy;
- static struct sched_param spm = { 0 };
- static const struct sched_param defaultSpm = { 0 };
- PA_DEBUG(( "%s: Throttling audio thread, priority %d\n", __FUNCTION__, spm.sched_priority ));
-
- pthread_getschedparam( th->callbackThread, &policy, &spm );
- if( !pthread_setschedparam( th->callbackThread, SCHED_OTHER, &defaultSpm ) )
- {
- throttled = 1;
- }
- else
- PA_DEBUG(( "Watchdog: Couldn't lower priority of audio thread: %s\n", strerror( errno ) ));
-
- /* Give other processes a go, before raising priority again */
- PA_DEBUG(( "%s: Watchdog sleeping for %lu msecs before unthrottling\n", __FUNCTION__, th->throttledSleepTime ));
- Pa_Sleep( th->throttledSleepTime );
-
- /* Reset callback priority */
- if( pthread_setschedparam( th->callbackThread, SCHED_FIFO, &spm ) != 0 )
- {
- PA_DEBUG(( "%s: Couldn't raise priority of audio thread: %s\n", __FUNCTION__, strerror( errno ) ));
- }
-
- if( PaUtil_GetCpuLoad( th->cpuLoadMeasurer ) >= .99 )
- intervalMsec = 50;
- else
- intervalMsec = 100;
-
- /*
- lowpassCoeff = .97;
- lowpassCoeff1 = .99999 - lowpassCoeff;
- */
- }
- else if( throttled && avgCpuLoad < .8 )
- {
- intervalMsec = 500;
- throttled = 0;
-
- /*
- lowpassCoeff = .9;
- lowpassCoeff1 = .99999 - lowpassCoeff;
- */
- }
- }
-
- pthread_cleanup_pop( 1 ); /* Execute cleanup on exit */
-
-error:
- /* Shouldn't get here in the normal case */
-
- /* Pass on error code */
- pres = malloc( sizeof (PaError) );
- *pres = result;
-
- pthread_exit( pres );
-}
-
-static PaError CreateCallbackThread( PaAlsaThreading *th, void *(*callbackThreadFunc)( void * ), PaStream *s )
-{
- PaError result = paNoError;
- pthread_attr_t attr;
- int started = 0;
-
-#if defined _POSIX_MEMLOCK && (_POSIX_MEMLOCK != -1)
- if( th->rtSched )
- {
- if( mlockall( MCL_CURRENT | MCL_FUTURE ) < 0 )
- {
- int savedErrno = errno; /* In case errno gets overwritten */
- assert( savedErrno != EINVAL ); /* Most likely a programmer error */
- PA_UNLESS( (savedErrno == EPERM), paInternalError );
- PA_DEBUG(( "%s: Failed locking memory\n", __FUNCTION__ ));
- }
- else
- PA_DEBUG(( "%s: Successfully locked memory\n", __FUNCTION__ ));
- }
-#endif
-
- PA_UNLESS( !pthread_attr_init( &attr ), paInternalError );
- /* Priority relative to other processes */
- PA_UNLESS( !pthread_attr_setscope( &attr, PTHREAD_SCOPE_SYSTEM ), paInternalError );
-
- PA_UNLESS( !pthread_create( &th->callbackThread, &attr, callbackThreadFunc, s ), paInternalError );
- started = 1;
-
- if( th->rtSched )
- {
- if( th->useWatchdog )
- {
- int err;
- struct sched_param wdSpm = { 0 };
- /* Launch watchdog, watchdog sets callback thread priority */
- int prio = PA_MIN( th->rtPrio + 4, sched_get_priority_max( SCHED_FIFO ) );
- wdSpm.sched_priority = prio;
-
- PA_UNLESS( !pthread_attr_init( &attr ), paInternalError );
- PA_UNLESS( !pthread_attr_setinheritsched( &attr, PTHREAD_EXPLICIT_SCHED ), paInternalError );
- PA_UNLESS( !pthread_attr_setscope( &attr, PTHREAD_SCOPE_SYSTEM ), paInternalError );
- PA_UNLESS( !pthread_attr_setschedpolicy( &attr, SCHED_FIFO ), paInternalError );
- PA_UNLESS( !pthread_attr_setschedparam( &attr, &wdSpm ), paInternalError );
- if( (err = pthread_create( &th->watchdogThread, &attr, &WatchdogFunc, th )) )
- {
- PA_UNLESS( err == EPERM, paInternalError );
- /* Permission error, go on without realtime privileges */
- PA_DEBUG(( "Failed bumping priority\n" ));
- }
- else
- {
- int policy;
- th->watchdogRunning = 1;
- ASSERT_CALL_( pthread_getschedparam( th->watchdogThread, &policy, &wdSpm ), 0 );
- /* Check if priority is right, policy could potentially differ from SCHED_FIFO (but that's alright) */
- if( wdSpm.sched_priority != prio )
- {
- PA_DEBUG(( "Watchdog priority not set correctly (%d)\n", wdSpm.sched_priority ));
- PA_ENSURE( paInternalError );
- }
- }
- }
- else
- PA_ENSURE( BoostPriority( th ) );
- }
-
-end:
- return result;
-error:
- if( started )
- KillCallbackThread( th, 0, NULL, NULL );
-
- goto end;
-}
-
-static void CallbackUpdate( PaAlsaThreading *th )
-{
- th->callbackTime = PaUtil_GetTime();
- th->callbackCpuTime = PaUtil_GetCpuLoad( th->cpuLoadMeasurer );
-}
-
-/* prototypes for functions declared in this file */
-
-static void Terminate( struct PaUtilHostApiRepresentation *hostApi );
-static PaError IsFormatSupported( struct PaUtilHostApiRepresentation *hostApi,
- const PaStreamParameters *inputParameters,
- const PaStreamParameters *outputParameters,
- double sampleRate );
-static PaError OpenStream( struct PaUtilHostApiRepresentation *hostApi,
- PaStream** s,
- const PaStreamParameters *inputParameters,
- const PaStreamParameters *outputParameters,
- double sampleRate,
- unsigned long framesPerBuffer,
- PaStreamFlags streamFlags,
- PaStreamCallback *callback,
- void *userData );
-static PaError CloseStream( PaStream* stream );
-static PaError StartStream( PaStream *stream );
-static PaError StopStream( PaStream *stream );
-static PaError AbortStream( PaStream *stream );
-static PaError IsStreamStopped( PaStream *s );
-static PaError IsStreamActive( PaStream *stream );
-static PaTime GetStreamTime( PaStream *stream );
-static double GetStreamCpuLoad( PaStream* stream );
-static PaError BuildDeviceList( PaAlsaHostApiRepresentation *hostApi );
-static int SetApproximateSampleRate( snd_pcm_t *pcm, snd_pcm_hw_params_t *hwParams, double sampleRate );
-static int GetExactSampleRate( snd_pcm_hw_params_t *hwParams, double *sampleRate );
-
-/* Callback prototypes */
-static void *CallbackThreadFunc( void *userData );
-
-/* Blocking prototypes */
-static signed long GetStreamReadAvailable( PaStream* s );
-static signed long GetStreamWriteAvailable( PaStream* s );
-static PaError ReadStream( PaStream* stream, void *buffer, unsigned long frames );
-static PaError WriteStream( PaStream* stream, const void *buffer, unsigned long frames );
-
-
-static const PaAlsaDeviceInfo *GetDeviceInfo( const PaUtilHostApiRepresentation *hostApi, int device )
-{
- return (const PaAlsaDeviceInfo *)hostApi->deviceInfos[device];
-}
-
-PaError PaAlsa_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiIndex hostApiIndex )
-{
- PaError result = paNoError;
- PaAlsaHostApiRepresentation *alsaHostApi = NULL;
-
- PA_UNLESS( alsaHostApi = (PaAlsaHostApiRepresentation*) PaUtil_AllocateMemory(
- sizeof(PaAlsaHostApiRepresentation) ), paInsufficientMemory );
- PA_UNLESS( alsaHostApi->allocations = PaUtil_CreateAllocationGroup(), paInsufficientMemory );
- alsaHostApi->hostApiIndex = hostApiIndex;
-
- *hostApi = (PaUtilHostApiRepresentation*)alsaHostApi;
- (*hostApi)->info.structVersion = 1;
- (*hostApi)->info.type = paALSA;
- (*hostApi)->info.name = "ALSA";
-
- (*hostApi)->Terminate = Terminate;
- (*hostApi)->OpenStream = OpenStream;
- (*hostApi)->IsFormatSupported = IsFormatSupported;
-
- PA_ENSURE( BuildDeviceList( alsaHostApi ) );
-
- PaUtil_InitializeStreamInterface( &alsaHostApi->callbackStreamInterface,
- CloseStream, StartStream,
- StopStream, AbortStream,
- IsStreamStopped, IsStreamActive,
- GetStreamTime, GetStreamCpuLoad,
- PaUtil_DummyRead, PaUtil_DummyWrite,
- PaUtil_DummyGetReadAvailable,
- PaUtil_DummyGetWriteAvailable );
-
- PaUtil_InitializeStreamInterface( &alsaHostApi->blockingStreamInterface,
- CloseStream, StartStream,
- StopStream, AbortStream,
- IsStreamStopped, IsStreamActive,
- GetStreamTime, PaUtil_DummyGetCpuLoad,
- ReadStream, WriteStream,
- GetStreamReadAvailable,
- GetStreamWriteAvailable );
-
- return result;
-
-error:
- if( alsaHostApi )
- {
- if( alsaHostApi->allocations )
- {
- PaUtil_FreeAllAllocations( alsaHostApi->allocations );
- PaUtil_DestroyAllocationGroup( alsaHostApi->allocations );
- }
-
- PaUtil_FreeMemory( alsaHostApi );
- }
-
- return result;
-}
-
-static void Terminate( struct PaUtilHostApiRepresentation *hostApi )
-{
- PaAlsaHostApiRepresentation *alsaHostApi = (PaAlsaHostApiRepresentation*)hostApi;
-
- assert( hostApi );
-
- if( alsaHostApi->allocations )
- {
- PaUtil_FreeAllAllocations( alsaHostApi->allocations );
- PaUtil_DestroyAllocationGroup( alsaHostApi->allocations );
- }
-
- PaUtil_FreeMemory( alsaHostApi );
- snd_config_update_free_global();
-}
-
-/*! Determine max channels and default latencies.
- *
- * This function provides functionality to grope an opened (might be opened for capture or playback) pcm device for
- * traits like max channels, suitable default latencies and default sample rate. Upon error, max channels is set to zero,
- * and a suitable result returned. The device is closed before returning.
- */
-static PaError GropeDevice( snd_pcm_t *pcm, int *minChannels, int *maxChannels, double *defaultLowLatency,
- double *defaultHighLatency, double *defaultSampleRate, int isPlug )
-{
- PaError result = paNoError;
- snd_pcm_hw_params_t *hwParams;
- snd_pcm_uframes_t lowLatency = 512, highLatency = 2048;
- unsigned int minChans, maxChans;
- double defaultSr = *defaultSampleRate;
-
- assert( pcm );
-
- ENSURE_( snd_pcm_nonblock( pcm, 0 ), paUnanticipatedHostError );
-
- snd_pcm_hw_params_alloca( &hwParams );
- snd_pcm_hw_params_any( pcm, hwParams );
-
- if( defaultSr >= 0 )
- {
- /* Could be that the device opened in one mode supports samplerates that the other mode wont have,
- * so try again .. */
- if( SetApproximateSampleRate( pcm, hwParams, defaultSr ) < 0 )
- {
- defaultSr = -1.;
- PA_DEBUG(( "%s: Original default samplerate failed, trying again ..\n", __FUNCTION__ ));
- }
- }
-
- if( defaultSr < 0. ) /* Default sample rate not set */
- {
- unsigned int sampleRate = 44100; /* Will contain approximate rate returned by alsa-lib */
- ENSURE_( snd_pcm_hw_params_set_rate_near( pcm, hwParams, &sampleRate, NULL ), paUnanticipatedHostError );
- ENSURE_( GetExactSampleRate( hwParams, &defaultSr ), paUnanticipatedHostError );
- }
-
- ENSURE_( snd_pcm_hw_params_get_channels_min( hwParams, &minChans ), paUnanticipatedHostError );
- ENSURE_( snd_pcm_hw_params_get_channels_max( hwParams, &maxChans ), paUnanticipatedHostError );
- assert( maxChans <= INT_MAX );
- assert( maxChans > 0 ); /* Weird linking issue could cause wrong version of ALSA symbols to be called,
- resulting in zeroed values */
-
- /* XXX: Limit to sensible number (ALSA plugins accept a crazy amount of channels)? */
- if( isPlug && maxChans > 128 )
- {
- maxChans = 128;
- PA_DEBUG(( "%s: Limiting number of plugin channels to %u\n", __FUNCTION__, maxChans ));
- }
-
- /* TWEAKME:
- *
- * Giving values for default min and max latency is not
- * straightforward. Here are our objectives:
- *
- * * for low latency, we want to give the lowest value
- * that will work reliably. This varies based on the
- * sound card, kernel, CPU, etc. I think it is better
- * to give sub-optimal latency than to give a number
- * too low and cause dropouts. My conservative
- * estimate at this point is to base it on 4096-sample
- * latency at 44.1 kHz, which gives a latency of 23ms.
- * * for high latency we want to give a large enough
- * value that dropouts are basically impossible. This
- * doesn't really require as much tweaking, since
- * providing too large a number will just cause us to
- * select the nearest setting that will work at stream
- * config time.
- */
- ENSURE_( snd_pcm_hw_params_set_buffer_size_near( pcm, hwParams, &lowLatency ), paUnanticipatedHostError );
-
- /* Have to reset hwParams, to set new buffer size */
- ENSURE_( snd_pcm_hw_params_any( pcm, hwParams ), paUnanticipatedHostError );
- ENSURE_( snd_pcm_hw_params_set_buffer_size_near( pcm, hwParams, &highLatency ), paUnanticipatedHostError );
-
- *minChannels = (int)minChans;
- *maxChannels = (int)maxChans;
- *defaultSampleRate = defaultSr;
- *defaultLowLatency = (double) lowLatency / *defaultSampleRate;
- *defaultHighLatency = (double) highLatency / *defaultSampleRate;
-
-end:
- snd_pcm_close( pcm );
- return result;
-
-error:
- goto end;
-}
-
-/* Initialize device info with invalid values (maxInputChannels and maxOutputChannels are set to zero since these indicate
- * wether input/output is available) */
-static void InitializeDeviceInfo( PaDeviceInfo *deviceInfo )
-{
- deviceInfo->structVersion = -1;
- deviceInfo->name = NULL;
- deviceInfo->hostApi = -1;
- deviceInfo->maxInputChannels = 0;
- deviceInfo->maxOutputChannels = 0;
- deviceInfo->defaultLowInputLatency = -1.;
- deviceInfo->defaultLowOutputLatency = -1.;
- deviceInfo->defaultHighInputLatency = -1.;
- deviceInfo->defaultHighOutputLatency = -1.;
- deviceInfo->defaultSampleRate = -1.;
-}
-
-/* Helper struct */
-typedef struct
-{
- char *alsaName;
- char *name;
- int isPlug;
- int hasPlayback;
- int hasCapture;
-} DeviceNames;
-
-static PaError PaAlsa_StrDup( PaAlsaHostApiRepresentation *alsaApi,
- char **dst,
- const char *src)
-{
- PaError result = paNoError;
- int len = strlen( src ) + 1;
-
- /* PA_DEBUG(("PaStrDup %s %d\n", src, len)); */
-
- PA_UNLESS( *dst = (char *)PaUtil_GroupAllocateMemory( alsaApi->allocations, len ),
- paInsufficientMemory );
- strncpy( *dst, src, len );
-
-error:
- return result;
-}
-
-/* Disregard standard plugins
- * XXX: Might want to make the "default" plugin available, if we can make it work
- */
-static int IgnorePlugin( const char *pluginId )
-{
-#define numIgnored 10
- static const char *ignoredPlugins[numIgnored] = {"hw", "plughw", "plug", "default", "dsnoop", "dmix", "tee",
- "file", "null", "shm"};
- int i;
-
- for( i = 0; i < numIgnored; ++i )
- {
- if( !strcmp( pluginId, ignoredPlugins[i] ) )
- {
- return 1;
- }
- }
-
- return 0;
-}
-
-/* Build PaDeviceInfo list, ignore devices for which we cannot determine capabilities (possibly busy, sigh) */
-static PaError BuildDeviceList( PaAlsaHostApiRepresentation *alsaApi )
-{
- PaUtilHostApiRepresentation *commonApi = &alsaApi->commonHostApiRep;
- PaAlsaDeviceInfo *deviceInfoArray;
- int cardIdx = -1, devIdx = 0;
- snd_ctl_card_info_t *cardInfo;
- PaError result = paNoError;
- size_t numDeviceNames = 0, maxDeviceNames = 1, i;
- DeviceNames *deviceNames = NULL;
- snd_config_t *topNode = NULL;
- snd_pcm_info_t *pcmInfo;
- int res;
- int blocking = SND_PCM_NONBLOCK;
- char alsaCardName[50];
- if( getenv( "PA_ALSA_INITIALIZE_BLOCK" ) && atoi( getenv( "PA_ALSA_INITIALIZE_BLOCK" ) ) )
- blocking = 0;
-
- /* These two will be set to the first working input and output device, respectively */
- commonApi->info.defaultInputDevice = paNoDevice;
- commonApi->info.defaultOutputDevice = paNoDevice;
-
- /* count the devices by enumerating all the card numbers */
-
- /* snd_card_next() modifies the integer passed to it to be:
- * the index of the first card if the parameter is -1
- * the index of the next card if the parameter is the index of a card
- * -1 if there are no more cards
- *
- * The function itself returns 0 if it succeeded. */
- cardIdx = -1;
- snd_ctl_card_info_alloca( &cardInfo );
- snd_pcm_info_alloca( &pcmInfo );
- while( snd_card_next( &cardIdx ) == 0 && cardIdx >= 0 )
- {
- char *cardName;
- int devIdx = -1;
- snd_ctl_t *ctl;
- char buf[50];
-
- snprintf( alsaCardName, sizeof (alsaCardName), "hw:%d", cardIdx );
-
- /* Acquire name of card */
- if( snd_ctl_open( &ctl, alsaCardName, 0 ) < 0 )
- continue; /* Unable to open card :( */
- snd_ctl_card_info( ctl, cardInfo );
-
- PA_ENSURE( PaAlsa_StrDup( alsaApi, &cardName, snd_ctl_card_info_get_name( cardInfo )) );
-
- while( snd_ctl_pcm_next_device( ctl, &devIdx ) == 0 && devIdx >= 0 )
- {
- char *alsaDeviceName, *deviceName;
- size_t len;
- int hasPlayback = 0, hasCapture = 0;
- snprintf( buf, sizeof (buf), "%s:%d,%d", "hw", cardIdx, devIdx );
-
- /* Obtain info about this particular device */
- snd_pcm_info_set_device( pcmInfo, devIdx );
- snd_pcm_info_set_subdevice( pcmInfo, 0 );
- snd_pcm_info_set_stream( pcmInfo, SND_PCM_STREAM_CAPTURE );
- if( snd_ctl_pcm_info( ctl, pcmInfo ) >= 0 )
- hasCapture = 1;
-
- snd_pcm_info_set_stream( pcmInfo, SND_PCM_STREAM_PLAYBACK );
- if( snd_ctl_pcm_info( ctl, pcmInfo ) >= 0 )
- hasPlayback = 1;
-
- if( !hasPlayback && !hasCapture )
- {
- continue; /* Error */
- }
-
- /* The length of the string written by snprintf plus terminating 0 */
- len = snprintf( NULL, 0, "%s: %s (%s)", cardName, snd_pcm_info_get_name( pcmInfo ), buf ) + 1;
- PA_UNLESS( deviceName = (char *)PaUtil_GroupAllocateMemory( alsaApi->allocations, len ),
- paInsufficientMemory );
- snprintf( deviceName, len, "%s: %s (%s)", cardName,
- snd_pcm_info_get_name( pcmInfo ), buf );
-
- ++numDeviceNames;
- if( !deviceNames || numDeviceNames > maxDeviceNames )
- {
- maxDeviceNames *= 2;
- PA_UNLESS( deviceNames = (DeviceNames *) realloc( deviceNames, maxDeviceNames * sizeof (DeviceNames) ),
- paInsufficientMemory );
- }
-
- PA_ENSURE( PaAlsa_StrDup( alsaApi, &alsaDeviceName, buf ) );
-
- deviceNames[ numDeviceNames - 1 ].alsaName = alsaDeviceName;
- deviceNames[ numDeviceNames - 1 ].name = deviceName;
- deviceNames[ numDeviceNames - 1 ].isPlug = 0;
- deviceNames[ numDeviceNames - 1 ].hasPlayback = hasPlayback;
- deviceNames[ numDeviceNames - 1 ].hasCapture = hasCapture;
- }
- snd_ctl_close( ctl );
- }
-
- /* Iterate over plugin devices */
- snd_config_update();
- if( (res = snd_config_search( snd_config, "pcm", &topNode )) >= 0 )
- {
- snd_config_iterator_t i, next;
-
- snd_config_for_each( i, next, topNode )
- {
- const char *tpStr = NULL, *idStr = NULL;
- char *alsaDeviceName, *deviceName;
- snd_config_t *n = snd_config_iterator_entry( i ), *tp = NULL;
- if( snd_config_get_type( n ) != SND_CONFIG_TYPE_COMPOUND )
- continue;
-
- ENSURE_( snd_config_search( n, "type", &tp ), paUnanticipatedHostError );
- ENSURE_( snd_config_get_string( tp, &tpStr ), paUnanticipatedHostError );
-
- ENSURE_( snd_config_get_id( n, &idStr ), paUnanticipatedHostError );
- if( IgnorePlugin( idStr ) )
- {
- PA_DEBUG(( "%s: Ignoring ALSA plugin device %s of type %s\n", __FUNCTION__, idStr, tpStr ));
- continue;
- }
-
- PA_DEBUG(( "%s: Found plugin %s of type %s\n", __FUNCTION__, idStr, tpStr ));
-
- PA_UNLESS( alsaDeviceName = (char*)PaUtil_GroupAllocateMemory( alsaApi->allocations,
- strlen(idStr) + 6 ), paInsufficientMemory );
- strcpy( alsaDeviceName, idStr );
- PA_UNLESS( deviceName = (char*)PaUtil_GroupAllocateMemory( alsaApi->allocations,
- strlen(idStr) + 1 ), paInsufficientMemory );
- strcpy( deviceName, idStr );
-
- ++numDeviceNames;
- if( !deviceNames || numDeviceNames > maxDeviceNames )
- {
- maxDeviceNames *= 2;
- PA_UNLESS( deviceNames = (DeviceNames *) realloc( deviceNames, maxDeviceNames * sizeof (DeviceNames) ),
- paInsufficientMemory );
- }
-
- deviceNames[numDeviceNames - 1].alsaName = alsaDeviceName;
- deviceNames[numDeviceNames - 1].name = deviceName;
- deviceNames[numDeviceNames - 1].isPlug = 1;
- deviceNames[numDeviceNames - 1].hasPlayback = 1;
- deviceNames[numDeviceNames - 1].hasCapture = 1;
- }
- }
- else
- PA_DEBUG(( "%s: Iterating over ALSA plugins failed: %s\n", __FUNCTION__, snd_strerror( res ) ));
-
- /* allocate deviceInfo memory based on the number of devices */
- PA_UNLESS( commonApi->deviceInfos = (PaDeviceInfo**)PaUtil_GroupAllocateMemory(
- alsaApi->allocations, sizeof(PaDeviceInfo*) * (numDeviceNames) ), paInsufficientMemory );
-
- /* allocate all device info structs in a contiguous block */
- PA_UNLESS( deviceInfoArray = (PaAlsaDeviceInfo*)PaUtil_GroupAllocateMemory(
- alsaApi->allocations, sizeof(PaAlsaDeviceInfo) * numDeviceNames ), paInsufficientMemory );
-
- /* Loop over list of cards, filling in info, if a device is deemed unavailable (can't get name),
- * it's ignored.
- */
- /* while( snd_card_next( &cardIdx ) == 0 && cardIdx >= 0 ) */
- for( i = 0, devIdx = 0; i < numDeviceNames; ++i )
- {
- snd_pcm_t *pcm;
- PaAlsaDeviceInfo *deviceInfo = &deviceInfoArray[devIdx];
- PaDeviceInfo *commonDeviceInfo = &deviceInfo->commonDeviceInfo;
-
- /* Zero fields */
- InitializeDeviceInfo( commonDeviceInfo );
-
- /* to determine device capabilities, we must open the device and query the
- * hardware parameter configuration space */
-
- /* Query capture */
- if( deviceNames[i].hasCapture &&
- snd_pcm_open( &pcm, deviceNames[i].alsaName, SND_PCM_STREAM_CAPTURE, blocking ) >= 0 )
- {
- if( GropeDevice( pcm, &deviceInfo->minInputChannels, &commonDeviceInfo->maxInputChannels,
- &commonDeviceInfo->defaultLowInputLatency, &commonDeviceInfo->defaultHighInputLatency,
- &commonDeviceInfo->defaultSampleRate, deviceNames[i].isPlug ) != paNoError )
- continue; /* Error */
- }
-
- /* Query playback */
- if( deviceNames[i].hasPlayback &&
- snd_pcm_open( &pcm, deviceNames[i].alsaName, SND_PCM_STREAM_PLAYBACK, blocking ) >= 0 )
- {
- if( GropeDevice( pcm, &deviceInfo->minOutputChannels, &commonDeviceInfo->maxOutputChannels,
- &commonDeviceInfo->defaultLowOutputLatency, &commonDeviceInfo->defaultHighOutputLatency,
- &commonDeviceInfo->defaultSampleRate, deviceNames[i].isPlug ) != paNoError )
- continue; /* Error */
- }
-
- commonDeviceInfo->structVersion = 2;
- commonDeviceInfo->hostApi = alsaApi->hostApiIndex;
- commonDeviceInfo->name = deviceNames[i].name;
- deviceInfo->alsaName = deviceNames[i].alsaName;
- deviceInfo->isPlug = deviceNames[i].isPlug;
-
- /* A: Storing pointer to PaAlsaDeviceInfo object as pointer to PaDeviceInfo object.
- * Should now be safe to add device info, unless the device supports neither capture nor playback
- */
- if( commonDeviceInfo->maxInputChannels > 0 || commonDeviceInfo->maxOutputChannels > 0 )
- {
- if( commonApi->info.defaultInputDevice == paNoDevice && commonDeviceInfo->maxInputChannels > 0 )
- commonApi->info.defaultInputDevice = devIdx;
- if( commonApi->info.defaultOutputDevice == paNoDevice && commonDeviceInfo->maxOutputChannels > 0 )
- commonApi->info.defaultOutputDevice = devIdx;
-
- commonApi->deviceInfos[devIdx++] = (PaDeviceInfo *) deviceInfo;
- }
- }
- free( deviceNames );
-
- commonApi->info.deviceCount = devIdx; /* Number of successfully queried devices */
-
-end:
- return result;
-
-error:
- goto end; /* No particular action */
-}
-
-/* Check against known device capabilities */
-static PaError ValidateParameters( const PaStreamParameters *parameters, PaUtilHostApiRepresentation *hostApi, StreamDirection mode )
-{
- PaError result = paNoError;
- int maxChans;
- const PaAlsaDeviceInfo *deviceInfo = NULL;
- assert( parameters );
-
- if( parameters->device != paUseHostApiSpecificDeviceSpecification )
- {
- assert( parameters->device < hostApi->info.deviceCount );
- PA_UNLESS( parameters->hostApiSpecificStreamInfo == NULL, paBadIODeviceCombination );
- deviceInfo = GetDeviceInfo( hostApi, parameters->device );
- }
- else
- {
- const PaAlsaStreamInfo *streamInfo = parameters->hostApiSpecificStreamInfo;
-
- PA_UNLESS( parameters->device == paUseHostApiSpecificDeviceSpecification, paInvalidDevice );
- PA_UNLESS( streamInfo->size == sizeof (PaAlsaStreamInfo) && streamInfo->version == 1,
- paIncompatibleHostApiSpecificStreamInfo );
-
- return paNoError; /* Skip further checking */
- }
-
- assert( deviceInfo );
- assert( parameters->hostApiSpecificStreamInfo == NULL );
- maxChans = (StreamDirection_In == mode ? deviceInfo->commonDeviceInfo.maxInputChannels :
- deviceInfo->commonDeviceInfo.maxOutputChannels);
- PA_UNLESS( parameters->channelCount <= maxChans, paInvalidChannelCount );
-
-error:
- return result;
-}
-
-/* Given an open stream, what sample formats are available? */
-
-static PaSampleFormat GetAvailableFormats( snd_pcm_t *pcm )
-{
- PaSampleFormat available = 0;
- snd_pcm_hw_params_t *hwParams;
- snd_pcm_hw_params_alloca( &hwParams );
-
- snd_pcm_hw_params_any( pcm, hwParams );
-
- if( snd_pcm_hw_params_test_format( pcm, hwParams, SND_PCM_FORMAT_FLOAT ) >= 0)
- available |= paFloat32;
-
- if( snd_pcm_hw_params_test_format( pcm, hwParams, SND_PCM_FORMAT_S32 ) >= 0)
- available |= paInt32;
-
- if( snd_pcm_hw_params_test_format( pcm, hwParams, SND_PCM_FORMAT_S24 ) >= 0)
- available |= paInt24;
-
- if( snd_pcm_hw_params_test_format( pcm, hwParams, SND_PCM_FORMAT_S16 ) >= 0)
- available |= paInt16;
-
- if( snd_pcm_hw_params_test_format( pcm, hwParams, SND_PCM_FORMAT_U8 ) >= 0)
- available |= paUInt8;
-
- if( snd_pcm_hw_params_test_format( pcm, hwParams, SND_PCM_FORMAT_S8 ) >= 0)
- available |= paInt8;
-
- return available;
-}
-
-static snd_pcm_format_t Pa2AlsaFormat( PaSampleFormat paFormat )
-{
- switch( paFormat )
- {
- case paFloat32:
- return SND_PCM_FORMAT_FLOAT;
-
- case paInt16:
- return SND_PCM_FORMAT_S16;
-
- case paInt24:
- return SND_PCM_FORMAT_S24;
-
- case paInt32:
- return SND_PCM_FORMAT_S32;
-
- case paInt8:
- return SND_PCM_FORMAT_S8;
-
- case paUInt8:
- return SND_PCM_FORMAT_U8;
-
- default:
- return SND_PCM_FORMAT_UNKNOWN;
- }
-}
-
-/** Open an ALSA pcm handle.
- *
- * The device to be open can be specified in a custom PaAlsaStreamInfo struct, or it will be a device number. In case of a
- * device number, it maybe specified through an env variable (PA_ALSA_PLUGHW) that we should open the corresponding plugin
- * device.
- */
-static PaError AlsaOpen( const PaUtilHostApiRepresentation *hostApi, const PaStreamParameters *params, StreamDirection
- streamDir, snd_pcm_t **pcm )
-{
- PaError result = paNoError;
- int ret;
- const char *deviceName = alloca( 50 );
- const PaAlsaDeviceInfo *deviceInfo = NULL;
- PaAlsaStreamInfo *streamInfo = (PaAlsaStreamInfo *)params->hostApiSpecificStreamInfo;
-
- if( !streamInfo )
- {
- int usePlug = 0;
- deviceInfo = GetDeviceInfo( hostApi, params->device );
-
- /* If device name starts with hw: and PA_ALSA_PLUGHW is 1, we open the plughw device instead */
- if( !strncmp( "hw:", deviceInfo->alsaName, 3 ) && getenv( "PA_ALSA_PLUGHW" ) )
- usePlug = atoi( getenv( "PA_ALSA_PLUGHW" ) );
- if( usePlug )
- snprintf( (char *) deviceName, 50, "plug%s", deviceInfo->alsaName );
- else
- deviceName = deviceInfo->alsaName;
- }
- else
- deviceName = streamInfo->deviceString;
-
- if( (ret = snd_pcm_open( pcm, deviceName, streamDir == StreamDirection_In ? SND_PCM_STREAM_CAPTURE : SND_PCM_STREAM_PLAYBACK,
- SND_PCM_NONBLOCK )) < 0 )
- {
- *pcm = NULL; /* Not to be closed */
- ENSURE_( ret, ret == -EBUSY ? paDeviceUnavailable : paBadIODeviceCombination );
- }
- ENSURE_( snd_pcm_nonblock( *pcm, 0 ), paUnanticipatedHostError );
-
-end:
- return result;
-
-error:
- goto end;
-}
-
-static PaError TestParameters( const PaUtilHostApiRepresentation *hostApi, const PaStreamParameters *parameters,
- double sampleRate, StreamDirection streamDir )
-{
- PaError result = paNoError;
- snd_pcm_t *pcm = NULL;
- PaSampleFormat availableFormats;
- /* We are able to adapt to a number of channels less than what the device supports */
- unsigned int numHostChannels;
- PaSampleFormat hostFormat;
- snd_pcm_hw_params_t *hwParams;
- snd_pcm_hw_params_alloca( &hwParams );
-
- if( !parameters->hostApiSpecificStreamInfo )
- {
- const PaAlsaDeviceInfo *devInfo = GetDeviceInfo( hostApi, parameters->device );
- numHostChannels = PA_MAX( parameters->channelCount, StreamDirection_In == streamDir ?
- devInfo->minInputChannels : devInfo->minOutputChannels );
- }
- else
- numHostChannels = parameters->channelCount;
-
- PA_ENSURE( AlsaOpen( hostApi, parameters, streamDir, &pcm ) );
-
- snd_pcm_hw_params_any( pcm, hwParams );
-
- if( SetApproximateSampleRate( pcm, hwParams, sampleRate ) < 0 )
- {
- result = paInvalidSampleRate;
- goto error;
- }
-
- if( snd_pcm_hw_params_set_channels( pcm, hwParams, numHostChannels ) < 0 )
- {
- result = paInvalidChannelCount;
- goto error;
- }
-
- /* See if we can find a best possible match */
- availableFormats = GetAvailableFormats( pcm );
- PA_ENSURE( hostFormat = PaUtil_SelectClosestAvailableFormat( availableFormats, parameters->sampleFormat ) );
- ENSURE_( snd_pcm_hw_params_set_format( pcm, hwParams, Pa2AlsaFormat( hostFormat ) ), paUnanticipatedHostError );
-
- ENSURE_( snd_pcm_hw_params( pcm, hwParams ), paUnanticipatedHostError );
-
-end:
- if( pcm )
- snd_pcm_close( pcm );
- return result;
-
-error:
- goto end;
-}
-
-static PaError IsFormatSupported( struct PaUtilHostApiRepresentation *hostApi,
- const PaStreamParameters *inputParameters,
- const PaStreamParameters *outputParameters,
- double sampleRate )
-{
- int inputChannelCount = 0, outputChannelCount = 0;
- PaSampleFormat inputSampleFormat, outputSampleFormat;
- PaError result = paFormatIsSupported;
-
- if( inputParameters )
- {
- PA_ENSURE( ValidateParameters( inputParameters, hostApi, StreamDirection_In ) );
-
- inputChannelCount = inputParameters->channelCount;
- inputSampleFormat = inputParameters->sampleFormat;
- }
-
- if( outputParameters )
- {
- PA_ENSURE( ValidateParameters( outputParameters, hostApi, StreamDirection_Out ) );
-
- outputChannelCount = outputParameters->channelCount;
- outputSampleFormat = outputParameters->sampleFormat;
- }
-
- if( inputChannelCount )
- {
- if( (result = TestParameters( hostApi, inputParameters, sampleRate, StreamDirection_In ))
- != paNoError )
- goto error;
- }
- if ( outputChannelCount )
- {
- if( (result = TestParameters( hostApi, outputParameters, sampleRate, StreamDirection_Out ))
- != paNoError )
- goto error;
- }
-
- return paFormatIsSupported;
-
-error:
- return result;
-}
-
-static PaError PaAlsaStreamComponent_Initialize( PaAlsaStreamComponent *self, PaAlsaHostApiRepresentation *alsaApi,
- const PaStreamParameters *params, StreamDirection streamDir, int callbackMode )
-{
- PaError result = paNoError;
- PaSampleFormat userSampleFormat = params->sampleFormat, hostSampleFormat;
- assert( params->channelCount > 0 );
-
- /* Make sure things have an initial value */
- memset( self, 0, sizeof (PaAlsaStreamComponent) );
-
- if( NULL == params->hostApiSpecificStreamInfo )
- {
- const PaAlsaDeviceInfo *devInfo = GetDeviceInfo( &alsaApi->commonHostApiRep, params->device );
- self->numHostChannels = PA_MAX( params->channelCount, StreamDirection_In == streamDir ? devInfo->minInputChannels
- : devInfo->minOutputChannels );
- }
- else
- {
- /* We're blissfully unaware of the minimum channelCount */
- self->numHostChannels = params->channelCount;
- }
-
- PA_ENSURE( AlsaOpen( &alsaApi->commonHostApiRep, params, streamDir, &self->pcm ) );
- self->nfds = snd_pcm_poll_descriptors_count( self->pcm );
- hostSampleFormat = PaUtil_SelectClosestAvailableFormat( GetAvailableFormats( self->pcm ), userSampleFormat );
-
- self->hostSampleFormat = hostSampleFormat;
- self->nativeFormat = Pa2AlsaFormat( hostSampleFormat );
- self->hostInterleaved = self->userInterleaved = !(userSampleFormat & paNonInterleaved);
- self->numUserChannels = params->channelCount;
- self->streamDir = streamDir;
-
- if( !callbackMode && !self->userInterleaved )
- {
- /* Pre-allocate non-interleaved user provided buffers */
- PA_UNLESS( self->userBuffers = PaUtil_AllocateMemory( sizeof (void *) * self->numUserChannels ),
- paInsufficientMemory );
- }
-
-error:
- return result;
-}
-
-static void PaAlsaStreamComponent_Terminate( PaAlsaStreamComponent *self )
-{
- snd_pcm_close( self->pcm );
- if( self->userBuffers )
- PaUtil_FreeMemory( self->userBuffers );
-}
-
-/** Configure the associated ALSA pcm.
- *
- */
-static PaError PaAlsaStreamComponent_Configure( PaAlsaStreamComponent *self, const PaStreamParameters *params, unsigned long
- framesPerHostBuffer, int primeBuffers, int callbackMode, double *sampleRate, PaTime *returnedLatency )
-{
- /*
- int numPeriods;
-
- if( getenv("PA_NUMPERIODS") != NULL )
- numPeriods = atoi( getenv("PA_NUMPERIODS") );
- else
- numPeriods = ( (latency * sampleRate) / *framesPerBuffer ) + 1;
-
- PA_DEBUG(( "latency: %f, rate: %f, framesPerBuffer: %d\n", latency, sampleRate, *framesPerBuffer ));
- if( numPeriods <= 1 )
- numPeriods = 2;
- */
-
- /* Configuration consists of setting all of ALSA's parameters.
- * These parameters come in two flavors: hardware parameters
- * and software paramters. Hardware parameters will affect
- * the way the device is initialized, software parameters
- * affect the way ALSA interacts with me, the user-level client.
- */
-
- snd_pcm_hw_params_t *hwParams;
- snd_pcm_sw_params_t *swParams;
- PaError result = paNoError;
- snd_pcm_access_t accessMode, alternateAccessMode;
- unsigned int numPeriods, minPeriods = 2;
- int dir = 0;
- snd_pcm_t *pcm = self->pcm;
- PaTime latency = params->suggestedLatency;
- double sr = *sampleRate;
- *returnedLatency = -1.;
-
- snd_pcm_hw_params_alloca( &hwParams );
- snd_pcm_sw_params_alloca( &swParams );
-
- self->framesPerBuffer = framesPerHostBuffer;
-
- /* ... fill up the configuration space with all possibile
- * combinations of parameters this device will accept */
- ENSURE_( snd_pcm_hw_params_any( pcm, hwParams ), paUnanticipatedHostError );
-
- ENSURE_( snd_pcm_hw_params_set_periods_integer( pcm, hwParams ), paUnanticipatedHostError );
- ENSURE_( snd_pcm_hw_params_set_period_size_integer( pcm, hwParams ), paUnanticipatedHostError );
-
- if( self->userInterleaved )
- {
- accessMode = SND_PCM_ACCESS_MMAP_INTERLEAVED;
- alternateAccessMode = SND_PCM_ACCESS_MMAP_NONINTERLEAVED;
- }
- else
- {
- accessMode = SND_PCM_ACCESS_MMAP_NONINTERLEAVED;
- alternateAccessMode = SND_PCM_ACCESS_MMAP_INTERLEAVED;
- }
-
- /* If requested access mode fails, try alternate mode */
- if( snd_pcm_hw_params_set_access( pcm, hwParams, accessMode ) < 0 )
- {
- ENSURE_( snd_pcm_hw_params_set_access( pcm, hwParams, alternateAccessMode ), paUnanticipatedHostError );
- /* Flip mode */
- self->hostInterleaved = !self->userInterleaved;
- }
-
- ENSURE_( snd_pcm_hw_params_set_format( pcm, hwParams, self->nativeFormat ), paUnanticipatedHostError );
-
- ENSURE_( SetApproximateSampleRate( pcm, hwParams, sr ), paInvalidSampleRate );
- ENSURE_( GetExactSampleRate( hwParams, &sr ), paUnanticipatedHostError );
- /* reject if there's no sample rate within 1% of the one requested */
- if( (fabs( *sampleRate - sr ) / *sampleRate) > 0.01 )
- {
- PA_DEBUG(("%s: Wanted %f, closest sample rate was %d\n", __FUNCTION__, sampleRate, sr ));
- PA_ENSURE( paInvalidSampleRate );
- }
-
- ENSURE_( snd_pcm_hw_params_set_channels( pcm, hwParams, self->numHostChannels ), paInvalidChannelCount );
-
- /* I think there should be at least 2 periods (even though ALSA doesn't appear to enforce this) */
- dir = 0;
- ENSURE_( snd_pcm_hw_params_set_periods_min( pcm, hwParams, &minPeriods, &dir ), paUnanticipatedHostError );
- dir = 0;
- ENSURE_( snd_pcm_hw_params_set_period_size_near( pcm, hwParams, &self->framesPerBuffer, &dir ), paUnanticipatedHostError );
-
- /* Find an acceptable number of periods */
- numPeriods = (latency * sr) / self->framesPerBuffer + 1;
- dir = 0;
- ENSURE_( snd_pcm_hw_params_set_periods_near( pcm, hwParams, &numPeriods, &dir ), paUnanticipatedHostError );
- /* Minimum of periods should already be 2 */
- PA_UNLESS( numPeriods >= 2, paInternalError );
-
- /* Set the parameters! */
- ENSURE_( snd_pcm_hw_params( pcm, hwParams ), paUnanticipatedHostError );
- ENSURE_( snd_pcm_hw_params_get_buffer_size( hwParams, &self->bufferSize ), paUnanticipatedHostError );
-
- /* Latency in seconds, one period is not counted as latency */
- latency = (numPeriods - 1) * self->framesPerBuffer / sr;
-
- /* Now software parameters... */
- ENSURE_( snd_pcm_sw_params_current( pcm, swParams ), paUnanticipatedHostError );
-
- ENSURE_( snd_pcm_sw_params_set_start_threshold( pcm, swParams, self->framesPerBuffer ), paUnanticipatedHostError );
- ENSURE_( snd_pcm_sw_params_set_stop_threshold( pcm, swParams, self->bufferSize ), paUnanticipatedHostError );
-
- /* Silence buffer in the case of underrun */
- if( !primeBuffers ) /* XXX: Make sense? */
- {
- snd_pcm_uframes_t boundary;
- ENSURE_( snd_pcm_sw_params_get_boundary( swParams, &boundary ), paUnanticipatedHostError );
- ENSURE_( snd_pcm_sw_params_set_silence_threshold( pcm, swParams, 0 ), paUnanticipatedHostError );
- ENSURE_( snd_pcm_sw_params_set_silence_size( pcm, swParams, boundary ), paUnanticipatedHostError );
- }
-
- ENSURE_( snd_pcm_sw_params_set_avail_min( pcm, swParams, self->framesPerBuffer ), paUnanticipatedHostError );
- ENSURE_( snd_pcm_sw_params_set_xfer_align( pcm, swParams, 1 ), paUnanticipatedHostError );
- ENSURE_( snd_pcm_sw_params_set_tstamp_mode( pcm, swParams, SND_PCM_TSTAMP_MMAP ), paUnanticipatedHostError );
-
- /* Set the parameters! */
- ENSURE_( snd_pcm_sw_params( pcm, swParams ), paUnanticipatedHostError );
-
- *sampleRate = sr;
- *returnedLatency = latency;
-
-end:
- return result;
-
-error:
- goto end; /* No particular action */
-}
-
-static PaError PaAlsaStream_Initialize( PaAlsaStream *self, PaAlsaHostApiRepresentation *alsaApi, const PaStreamParameters *inParams,
- const PaStreamParameters *outParams, double sampleRate, unsigned long framesPerUserBuffer, PaStreamCallback callback,
- PaStreamFlags streamFlags, void *userData )
-{
- PaError result = paNoError;
- assert( self );
-
- memset( self, 0, sizeof (PaAlsaStream) );
-
- if( NULL != callback )
- {
- PaUtil_InitializeStreamRepresentation( &self->streamRepresentation,
- &alsaApi->callbackStreamInterface,
- callback, userData );
- self->callbackMode = 1;
- }
- else
- {
- PaUtil_InitializeStreamRepresentation( &self->streamRepresentation,
- &alsaApi->blockingStreamInterface,
- NULL, userData );
- }
-
- self->framesPerUserBuffer = framesPerUserBuffer;
- self->neverDropInput = streamFlags & paNeverDropInput;
- /* XXX: Ignore paPrimeOutputBuffersUsingStreamCallback untill buffer priming is fully supported in pa_process.c */
- /*
- if( outParams & streamFlags & paPrimeOutputBuffersUsingStreamCallback )
- self->primeBuffers = 1;
- */
- memset( &self->capture, 0, sizeof (PaAlsaStreamComponent) );
- memset( &self->playback, 0, sizeof (PaAlsaStreamComponent) );
- if( inParams )
- PA_ENSURE( PaAlsaStreamComponent_Initialize( &self->capture, alsaApi, inParams, StreamDirection_In, NULL != callback ) );
- if( outParams )
- PA_ENSURE( PaAlsaStreamComponent_Initialize( &self->playback, alsaApi, outParams, StreamDirection_Out, NULL != callback ) );
-
- assert( self->capture.nfds || self->playback.nfds );
-
- PA_UNLESS( self->pfds = (struct pollfd*)PaUtil_AllocateMemory( (self->capture.nfds +
- self->playback.nfds) * sizeof (struct pollfd) ), paInsufficientMemory );
-
- PaUtil_InitializeCpuLoadMeasurer( &self->cpuLoadMeasurer, sampleRate );
- InitializeThreading( &self->threading, &self->cpuLoadMeasurer );
- ASSERT_CALL_( pthread_mutex_init( &self->stateMtx, NULL ), 0 );
- ASSERT_CALL_( pthread_mutex_init( &self->startMtx, NULL ), 0 );
- ASSERT_CALL_( pthread_cond_init( &self->startCond, NULL ), 0 );
-
-error:
- return result;
-}
-
-/** Free resources associated with stream, and eventually stream itself.
- *
- * Frees allocated memory, and terminates individual StreamComponents.
- */
-static void PaAlsaStream_Terminate( PaAlsaStream *self )
-{
- assert( self );
-
- if( self->capture.pcm )
- {
- PaAlsaStreamComponent_Terminate( &self->capture );
- }
- if( self->playback.pcm )
- {
- PaAlsaStreamComponent_Terminate( &self->playback );
- }
-
- PaUtil_FreeMemory( self->pfds );
- ASSERT_CALL_( pthread_mutex_destroy( &self->stateMtx ), 0 );
- ASSERT_CALL_( pthread_mutex_destroy( &self->startMtx ), 0 );
- ASSERT_CALL_( pthread_cond_destroy( &self->startCond ), 0 );
-
- PaUtil_FreeMemory( self );
-}
-
-/** Calculate polling timeout
- *
- * @param frames Time to wait
- * @return Polling timeout in milliseconds
- */
-static int CalculatePollTimeout( const PaAlsaStream *stream, unsigned long frames )
-{
- assert( stream->streamRepresentation.streamInfo.sampleRate > 0.0 );
- /* Period in msecs, rounded up */
- return (int)ceil( 1000 * frames / stream->streamRepresentation.streamInfo.sampleRate );
-}
-
-/** Set up ALSA stream parameters.
- *
- */
-static PaError PaAlsaStream_Configure( PaAlsaStream *self, const PaStreamParameters *inParams, const PaStreamParameters
- *outParams, double sampleRate, unsigned long framesPerHostBuffer, double *inputLatency, double *outputLatency,
- unsigned long *maxHostBufferSize )
-{
- PaError result = paNoError;
- double realSr = sampleRate;
-
- if( self->capture.pcm )
- PA_ENSURE( PaAlsaStreamComponent_Configure( &self->capture, inParams, framesPerHostBuffer, self->primeBuffers,
- self->callbackMode, &realSr, inputLatency ) );
- if( self->playback.pcm )
- PA_ENSURE( PaAlsaStreamComponent_Configure( &self->playback, outParams, framesPerHostBuffer, self->primeBuffers,
- self->callbackMode, &realSr, outputLatency ) );
-
- /* Should be exact now */
- self->streamRepresentation.streamInfo.sampleRate = realSr;
-
- /* this will cause the two streams to automatically start/stop/prepare in sync.
- * We only need to execute these operations on one of the pair.
- * A: We don't want to do this on a blocking stream.
- */
- if( self->callbackMode && self->capture.pcm && self->playback.pcm )
- {
- int err = snd_pcm_link( self->capture.pcm, self->playback.pcm );
- if( err >= 0 )
- self->pcmsSynced = 1;
- else
- PA_DEBUG(( "%s: Unable to sync pcms: %s\n", __FUNCTION__, snd_strerror( err ) ));
- }
-
- /* Frames per host buffer for the stream is set as a compromise between the two directions */
- framesPerHostBuffer = PA_MIN( self->capture.pcm ? self->capture.framesPerBuffer : ULONG_MAX,
- self->playback.pcm ? self->playback.framesPerBuffer : ULONG_MAX );
- self->pollTimeout = CalculatePollTimeout( self, framesPerHostBuffer ); /* Period in msecs, rounded up */
-
- *maxHostBufferSize = PA_MAX( self->capture.pcm ? self->capture.bufferSize : 0,
- self->playback.pcm ? self->playback.bufferSize : 0 );
-
- /* Time before watchdog unthrottles realtime thread == 1/4 of period time in msecs */
- self->threading.throttledSleepTime = (unsigned long) (framesPerHostBuffer / sampleRate / 4 * 1000);
-
- if( self->callbackMode )
- {
- /* If the user expects a certain number of frames per callback we will either have to rely on block adaption
- * (framesPerHostBuffer is not an integer multiple of framesPerBuffer) or we can simply align the number
- * of host buffer frames with what the user specified */
- if( self->framesPerUserBuffer != paFramesPerBufferUnspecified )
- {
- /* self->alignFrames = 1; */
-
- /* Unless the ratio between number of host and user buffer frames is an integer we will have to rely
- * on block adaption */
- /*
- if( framesPerHostBuffer % framesPerBuffer != 0 || (self->capture.pcm && self->playback.pcm &&
- self->capture.framesPerBuffer != self->playback.framesPerBuffer) )
- self->useBlockAdaption = 1;
- else
- self->alignFrames = 1;
- */
- }
- }
-
-error:
- return result;
-}
-
-/* We need to determine how many frames per host buffer to use. Our
- * goals are to provide the best possible performance, but also to
- * most closely honor the requested latency settings. Therefore this
- * decision is based on:
- *
- * - the period sizes that playback and/or capture support. The
- * host buffer size has to be one of these.
- * - the number of periods that playback and/or capture support.
- *
- * We want to make period_size*(num_periods-1) to be as close as possible
- * to latency*rate for both playback and capture.
- *
- * This is one of those blocks of code that will just take a lot of
- * refinement to be any good.
- *
- * In the full-duplex case it is possible that the routine was unable
- * to find a number of frames per buffer acceptable to both devices
- * TODO: Implement an algorithm to find the value closest to acceptance
- * by both devices, to minimize difference between period sizes?
- */
-static PaError DetermineFramesPerBuffer( const PaAlsaStream *stream, double sampleRate, const PaStreamParameters *inputParameters,
- const PaStreamParameters *outputParameters, unsigned long *determinedFrames, const PaUtilHostApiRepresentation *hostApi )
-{
- PaError result = paNoError;
- unsigned long framesPerBuffer = 0;
- int numHostInputChannels = 0, numHostOutputChannels = 0;
-
- /* XXX: Clean this up */
- if( stream->capture.pcm )
- {
- const PaAlsaDeviceInfo *devInfo = GetDeviceInfo( hostApi, inputParameters->device );
- numHostInputChannels = PA_MAX( inputParameters->channelCount, devInfo->minInputChannels );
- }
- if( stream->playback.pcm )
- {
- const PaAlsaDeviceInfo *devInfo = GetDeviceInfo( hostApi, outputParameters->device );
- numHostOutputChannels = PA_MAX( outputParameters->channelCount, devInfo->minOutputChannels );
- }
-
- if( stream->capture.pcm && stream->playback.pcm )
- {
- snd_pcm_uframes_t desiredLatency, e;
- snd_pcm_uframes_t minPeriodSize, minPlayback, minCapture, maxPeriodSize, maxPlayback, maxCapture,
- optimalPeriodSize, periodSize;
- int dir = 0;
- unsigned int minPeriods = 2;
-
- snd_pcm_t *pcm;
- snd_pcm_hw_params_t *hwParamsPlayback, *hwParamsCapture;
-
- snd_pcm_hw_params_alloca( &hwParamsPlayback );
- snd_pcm_hw_params_alloca( &hwParamsCapture );
-
- /* Come up with a common desired latency */
- pcm = stream->playback.pcm;
- snd_pcm_hw_params_any( pcm, hwParamsPlayback );
- ENSURE_( SetApproximateSampleRate( pcm, hwParamsPlayback, sampleRate ), paInvalidSampleRate );
- ENSURE_( snd_pcm_hw_params_set_channels( pcm, hwParamsPlayback, numHostOutputChannels ),
- paBadIODeviceCombination );
-
- ENSURE_( snd_pcm_hw_params_set_period_size_integer( pcm, hwParamsPlayback ), paUnanticipatedHostError );
- ENSURE_( snd_pcm_hw_params_set_periods_integer( pcm, hwParamsPlayback ), paUnanticipatedHostError );
- ENSURE_( snd_pcm_hw_params_set_periods_min( pcm, hwParamsPlayback, &minPeriods, &dir ), paUnanticipatedHostError );
- ENSURE_( snd_pcm_hw_params_get_period_size_min( hwParamsPlayback, &minPlayback, &dir ), paUnanticipatedHostError );
- ENSURE_( snd_pcm_hw_params_get_period_size_max( hwParamsPlayback, &maxPlayback, &dir ), paUnanticipatedHostError );
-
- pcm = stream->capture.pcm;
- ENSURE_( snd_pcm_hw_params_any( pcm, hwParamsCapture ), paUnanticipatedHostError );
- ENSURE_( SetApproximateSampleRate( pcm, hwParamsCapture, sampleRate ), paBadIODeviceCombination );
- ENSURE_( snd_pcm_hw_params_set_channels( pcm, hwParamsCapture, numHostInputChannels ),
- paBadIODeviceCombination );
-
- ENSURE_( snd_pcm_hw_params_set_period_size_integer( pcm, hwParamsCapture ), paUnanticipatedHostError );
- ENSURE_( snd_pcm_hw_params_set_periods_integer( pcm, hwParamsCapture ), paUnanticipatedHostError );
- ENSURE_( snd_pcm_hw_params_set_periods_min( pcm, hwParamsCapture, &minPeriods, &dir ), paUnanticipatedHostError );
- ENSURE_( snd_pcm_hw_params_get_period_size_min( hwParamsCapture, &minCapture, &dir ), paUnanticipatedHostError );
- ENSURE_( snd_pcm_hw_params_get_period_size_max( hwParamsCapture, &maxCapture, &dir ), paUnanticipatedHostError );
-
- minPeriodSize = PA_MAX( minPlayback, minCapture );
- maxPeriodSize = PA_MIN( maxPlayback, maxCapture );
-
- desiredLatency = (snd_pcm_uframes_t) (PA_MIN( outputParameters->suggestedLatency, inputParameters->suggestedLatency )
- * sampleRate);
- /* Clamp desiredLatency */
- {
- snd_pcm_uframes_t tmp, maxBufferSize = ULONG_MAX;
- ENSURE_( snd_pcm_hw_params_get_buffer_size_max( hwParamsPlayback, &maxBufferSize ), paUnanticipatedHostError );
- ENSURE_( snd_pcm_hw_params_get_buffer_size_max( hwParamsCapture, &tmp ), paUnanticipatedHostError );
- maxBufferSize = PA_MIN( maxBufferSize, tmp );
-
- desiredLatency = PA_MIN( desiredLatency, maxBufferSize );
- }
-
- /* Find the closest power of 2 */
- e = ilogb( minPeriodSize );
- if( minPeriodSize & (minPeriodSize - 1) )
- e += 1;
- periodSize = (snd_pcm_uframes_t) pow( 2, e );
-
- while( periodSize <= maxPeriodSize )
- {
- if( snd_pcm_hw_params_test_period_size( stream->playback.pcm, hwParamsPlayback, periodSize, 0 ) >= 0 &&
- snd_pcm_hw_params_test_period_size( stream->capture.pcm, hwParamsCapture, periodSize, 0 ) >= 0 )
- break; /* Ok! */
-
- periodSize *= 2;
- }
-
- /* 4 periods considered optimal */
- optimalPeriodSize = PA_MAX( desiredLatency / 4, minPeriodSize );
- optimalPeriodSize = PA_MIN( optimalPeriodSize, maxPeriodSize );
-
- /* Find the closest power of 2 */
- e = ilogb( optimalPeriodSize );
- if( optimalPeriodSize & (optimalPeriodSize - 1) )
- e += 1;
- optimalPeriodSize = (snd_pcm_uframes_t) pow( 2, e );
-
- while( optimalPeriodSize >= periodSize )
- {
- pcm = stream->playback.pcm;
- if( snd_pcm_hw_params_test_period_size( pcm, hwParamsPlayback, optimalPeriodSize, 0 ) < 0 )
- continue;
-
- pcm = stream->capture.pcm;
- if( snd_pcm_hw_params_test_period_size( pcm, hwParamsCapture, optimalPeriodSize, 0 ) >= 0 )
- break;
-
- optimalPeriodSize /= 2;
- }
-
- if( optimalPeriodSize > periodSize )
- periodSize = optimalPeriodSize;
-
- if( periodSize <= maxPeriodSize )
- {
- /* Looks good */
- framesPerBuffer = periodSize;
- }
- else
- {
- /* Unable to find a common period size, oh well */
- optimalPeriodSize = PA_MAX( desiredLatency / 4, minPeriodSize );
- optimalPeriodSize = PA_MIN( optimalPeriodSize, maxPeriodSize );
-
- /* ConfigureStream should find individual period sizes acceptable for each device */
- framesPerBuffer = optimalPeriodSize;
- /* PA_ENSURE( paBadIODeviceCombination ); */
- }
- }
- else /* half-duplex is a slightly simpler case */
- {
- unsigned long bufferSize, channels;
- snd_pcm_t *pcm;
- snd_pcm_hw_params_t *hwParams;
-
- snd_pcm_hw_params_alloca( &hwParams );
-
- if( stream->capture.pcm )
- {
- pcm = stream->capture.pcm;
- bufferSize = inputParameters->suggestedLatency * sampleRate;
- channels = numHostInputChannels;
- }
- else
- {
- pcm = stream->playback.pcm;
- bufferSize = outputParameters->suggestedLatency * sampleRate;
- channels = numHostOutputChannels;
- }
-
- ENSURE_( snd_pcm_hw_params_any( pcm, hwParams ), paUnanticipatedHostError );
- ENSURE_( SetApproximateSampleRate( pcm, hwParams, sampleRate ), paInvalidSampleRate );
- ENSURE_( snd_pcm_hw_params_set_channels( pcm, hwParams, channels ), paBadIODeviceCombination );
-
- ENSURE_( snd_pcm_hw_params_set_period_size_integer( pcm, hwParams ), paUnanticipatedHostError );
- ENSURE_( snd_pcm_hw_params_set_periods_integer( pcm, hwParams ), paUnanticipatedHostError );
-
- /* Using 5 as a base number of periods, we try to approximate the suggested latency (+1 period),
- finding a combination of period/buffer size which best fits these constraints */
- framesPerBuffer = bufferSize / 4;
- bufferSize += framesPerBuffer; /* One period doesn't count as latency */
- ENSURE_( snd_pcm_hw_params_set_buffer_size_near( pcm, hwParams, &bufferSize ), paUnanticipatedHostError );
- ENSURE_( snd_pcm_hw_params_set_period_size_near( pcm, hwParams, &framesPerBuffer, NULL ), paUnanticipatedHostError );
- }
-
- PA_UNLESS( framesPerBuffer != 0, paInternalError );
- *determinedFrames = framesPerBuffer;
-
-error:
- return result;
-}
-
-static PaError OpenStream( struct PaUtilHostApiRepresentation *hostApi,
- PaStream** s,
- const PaStreamParameters *inputParameters,
- const PaStreamParameters *outputParameters,
- double sampleRate,
- unsigned long framesPerBuffer,
- PaStreamFlags streamFlags,
- PaStreamCallback *callback,
- void *userData )
-{
- PaError result = paNoError;
- PaAlsaHostApiRepresentation *alsaHostApi = (PaAlsaHostApiRepresentation*)hostApi;
- PaAlsaStream *stream = NULL;
- PaSampleFormat hostInputSampleFormat = 0, hostOutputSampleFormat = 0;
- PaSampleFormat inputSampleFormat = 0, outputSampleFormat = 0;
- int numInputChannels = 0, numOutputChannels = 0;
- PaTime inputLatency, outputLatency;
- unsigned long framesPerHostBuffer;
- PaUtilHostBufferSizeMode hostBufferSizeMode = paUtilBoundedHostBufferSize;
- unsigned long maxHostBufferSize; /* Upper bound of host buffer size */
-
- if( (streamFlags & paPlatformSpecificFlags) != 0 )
- return paInvalidFlag;
-
- if( inputParameters )
- {
- PA_ENSURE( ValidateParameters( inputParameters, hostApi, StreamDirection_In ) );
-
- numInputChannels = inputParameters->channelCount;
- inputSampleFormat = inputParameters->sampleFormat;
- }
- if( outputParameters )
- {
- PA_ENSURE( ValidateParameters( outputParameters, hostApi, StreamDirection_Out ) );
-
- numOutputChannels = outputParameters->channelCount;
- outputSampleFormat = outputParameters->sampleFormat;
- }
-
- /* XXX: Why do we support this anyway? */
- if( framesPerBuffer == paFramesPerBufferUnspecified && getenv( "PA_ALSA_PERIODSIZE" ) != NULL )
- {
- PA_DEBUG(( "%s: Getting framesPerBuffer from environment\n", __FUNCTION__ ));
- framesPerBuffer = atoi( getenv("PA_ALSA_PERIODSIZE") );
- }
- framesPerHostBuffer = framesPerBuffer;
-
- PA_UNLESS( stream = (PaAlsaStream*)PaUtil_AllocateMemory( sizeof(PaAlsaStream) ), paInsufficientMemory );
- PA_ENSURE( PaAlsaStream_Initialize( stream, alsaHostApi, inputParameters, outputParameters, sampleRate,
- framesPerBuffer, callback, streamFlags, userData ) );
-
- /* If the number of frames per buffer is unspecified, we have to come up with
- * one. This is both a blessing and a curse: a blessing because we can optimize
- * the number to best meet the requirements, but a curse because that's really
- * hard to do well. For this reason we also support an interface where the user
- * specifies these by setting environment variables. */
- if( framesPerBuffer == paFramesPerBufferUnspecified )
- {
- PA_ENSURE( DetermineFramesPerBuffer( stream, sampleRate, inputParameters, outputParameters, &framesPerHostBuffer,
- hostApi ) );
- }
-
- PA_ENSURE( PaAlsaStream_Configure( stream, inputParameters, outputParameters, sampleRate, framesPerHostBuffer,
- &inputLatency, &outputLatency, &maxHostBufferSize ) );
- hostInputSampleFormat = stream->capture.hostSampleFormat;
- hostOutputSampleFormat = stream->playback.hostSampleFormat;
-
- if( framesPerHostBuffer != framesPerBuffer )
- {
- PA_DEBUG(( "%s: Number of frames per user and host buffer differs\n", __FUNCTION__ ));
- }
-
- PA_ENSURE( PaUtil_InitializeBufferProcessor( &stream->bufferProcessor,
- numInputChannels, inputSampleFormat, hostInputSampleFormat,
- numOutputChannels, outputSampleFormat, hostOutputSampleFormat,
- sampleRate, streamFlags, framesPerBuffer, maxHostBufferSize,
- hostBufferSizeMode, callback, userData ) );
-
- /* Ok, buffer processor is initialized, now we can deduce it's latency */
- if( numInputChannels > 0 )
- stream->streamRepresentation.streamInfo.inputLatency = inputLatency + PaUtil_GetBufferProcessorInputLatency(
- &stream->bufferProcessor );
- if( numOutputChannels > 0 )
- stream->streamRepresentation.streamInfo.outputLatency = outputLatency + PaUtil_GetBufferProcessorOutputLatency(
- &stream->bufferProcessor );
-
- *s = (PaStream*)stream;
-
- return result;
-
-error:
- if( stream )
- PaAlsaStream_Terminate( stream );
-
- return result;
-}
-
-static PaError CloseStream( PaStream* s )
-{
- PaError result = paNoError;
- PaAlsaStream *stream = (PaAlsaStream*)s;
-
- PaUtil_TerminateBufferProcessor( &stream->bufferProcessor );
- PaUtil_TerminateStreamRepresentation( &stream->streamRepresentation );
-
- PaAlsaStream_Terminate( stream );
-
- return result;
-}
-
-static void SilenceBuffer( PaAlsaStream *stream )
-{
- const snd_pcm_channel_area_t *areas;
- snd_pcm_uframes_t frames = (snd_pcm_uframes_t)snd_pcm_avail_update( stream->playback.pcm ), offset;
-
- snd_pcm_mmap_begin( stream->playback.pcm, &areas, &offset, &frames );
- snd_pcm_areas_silence( areas, offset, stream->playback.numHostChannels, frames, stream->playback.nativeFormat );
- snd_pcm_mmap_commit( stream->playback.pcm, offset, frames );
-}
-
-/** Start/prepare pcm(s) for streaming.
- *
- * Depending on wether the stream is in callback or blocking mode, we will respectively start or simply
- * prepare the playback pcm. If the buffer has _not_ been primed, we will in callback mode prepare and
- * silence the buffer before starting playback. In blocking mode we simply prepare, as the playback will
- * be started automatically as the user writes to output.
- *
- * The capture pcm, however, will simply be prepared and started.
- *
- * PaAlsaStream::startMtx makes sure access is synchronized (useful in callback mode)
- */
-static PaError AlsaStart( PaAlsaStream *stream, int priming )
-{
- PaError result = paNoError;
-
- if( stream->playback.pcm )
- {
- if( stream->callbackMode )
- {
- if( !priming )
- {
- /* Buffer isn't primed, so prepare and silence */
- ENSURE_( snd_pcm_prepare( stream->playback.pcm ), paUnanticipatedHostError );
- SilenceBuffer( stream );
- }
- ENSURE_( snd_pcm_start( stream->playback.pcm ), paUnanticipatedHostError );
- }
- else
- ENSURE_( snd_pcm_prepare( stream->playback.pcm ), paUnanticipatedHostError );
- }
- if( stream->capture.pcm && !stream->pcmsSynced )
- {
- ENSURE_( snd_pcm_prepare( stream->capture.pcm ), paUnanticipatedHostError );
- /* For a blocking stream we want to start capture as well, since nothing will happen otherwise */
- ENSURE_( snd_pcm_start( stream->capture.pcm ), paUnanticipatedHostError );
- }
-
-end:
- return result;
-error:
- goto end;
-}
-
-/** Utility function for determining if pcms are in running state.
- *
- */
-static int IsRunning( PaAlsaStream *stream )
-{
- int result = 0;
-
- ASSERT_CALL_( pthread_mutex_lock( &stream->stateMtx ), 0 ); /* Synchronize access to pcm state */
- if( stream->capture.pcm )
- {
- snd_pcm_state_t capture_state = snd_pcm_state( stream->capture.pcm );
-
- if( capture_state == SND_PCM_STATE_RUNNING || capture_state == SND_PCM_STATE_XRUN
- || capture_state == SND_PCM_STATE_DRAINING )
- {
- result = 1;
- goto end;
- }
- }
-
- if( stream->playback.pcm )
- {
- snd_pcm_state_t playback_state = snd_pcm_state( stream->playback.pcm );
-
- if( playback_state == SND_PCM_STATE_RUNNING || playback_state == SND_PCM_STATE_XRUN
- || playback_state == SND_PCM_STATE_DRAINING )
- {
- result = 1;
- goto end;
- }
- }
-
-end:
- ASSERT_CALL_( pthread_mutex_unlock( &stream->stateMtx ), 0 );
-
- return result;
-}
-
-static PaError StartStream( PaStream *s )
-{
- PaError result = paNoError;
- PaAlsaStream *stream = (PaAlsaStream*)s;
- int streamStarted = 0; /* So we can know wether we need to take the stream down */
-
- /* Ready the processor */
- PaUtil_ResetBufferProcessor( &stream->bufferProcessor );
-
- /* Set now, so we can test for activity further down */
- stream->isActive = 1;
-
- if( stream->callbackMode )
- {
- int res = 0;
- PaTime pt = PaUtil_GetTime();
- struct timespec ts;
-
- PA_ENSURE( CreateCallbackThread( &stream->threading, &CallbackThreadFunc, stream ) );
- streamStarted = 1;
-
- /* Wait for stream to be started */
- ts.tv_sec = (time_t) floor( pt + 1 );
- ts.tv_nsec = (long) ((pt - floor( pt )) * 1000000000);
-
- /* Since we'll be holding a lock on the startMtx (when not waiting on the condition), IsRunning won't be checking
- * stream state at the same time as the callback thread affects it. We also check IsStreamActive, in the unlikely
- * case the callback thread exits in the meantime (the stream will be considered inactive after the thread exits) */
- ASSERT_CALL_( pthread_mutex_lock( &stream->startMtx ), 0 );
-
- /* Due to possible spurious wakeups, we enclose in a loop */
- while( !IsRunning( stream ) && IsStreamActive( s ) && !res )
- {
- res = pthread_cond_timedwait( &stream->startCond, &stream->startMtx, &ts );
- }
- ASSERT_CALL_( pthread_mutex_unlock( &stream->startMtx ), 0 );
-
- PA_UNLESS( !res || res == ETIMEDOUT, paInternalError );
- PA_DEBUG(( "%s: Waited for %g seconds for stream to start\n", __FUNCTION__, PaUtil_GetTime() - pt ));
-
- if( res == ETIMEDOUT )
- {
- PA_ENSURE( paTimedOut );
- }
- }
- else
- {
- PA_ENSURE( AlsaStart( stream, 0 ) );
- streamStarted = 1;
- }
-
-end:
- return result;
-error:
- if( streamStarted )
- AbortStream( stream );
- stream->isActive = 0;
-
- goto end;
-}
-
-static PaError AlsaStop( PaAlsaStream *stream, int abort )
-{
- PaError result = paNoError;
-
- if( abort )
- {
- if( stream->playback.pcm )
- ENSURE_( snd_pcm_drop( stream->playback.pcm ), paUnanticipatedHostError );
- if( stream->capture.pcm && !stream->pcmsSynced )
- ENSURE_( snd_pcm_drop( stream->capture.pcm ), paUnanticipatedHostError );
-
- PA_DEBUG(( "Dropped frames\n" ));
- }
- else
- {
- if( stream->playback.pcm )
- ENSURE_( snd_pcm_drain( stream->playback.pcm ), paUnanticipatedHostError );
- if( stream->capture.pcm && !stream->pcmsSynced )
- ENSURE_( snd_pcm_drain( stream->capture.pcm ), paUnanticipatedHostError );
- }
-
-end:
- return result;
-error:
- goto end;
-}
-
-/** Stop or abort stream.
- *
- * If a stream is in callback mode we will have to inspect wether the background thread has
- * finished, or we will have to take it out. In either case we join the thread before
- * returning. In blocking mode, we simply tell ALSA to stop abruptly (abort) or finish
- * buffers (drain)
- *
- * Stream will be considered inactive (!PaAlsaStream::isActive) after a call to this function
- */
-static PaError RealStop( PaAlsaStream *stream, int abort )
-{
- PaError result = paNoError;
-
- /* First deal with the callback thread, cancelling and/or joining
- * it if necessary
- */
- if( stream->callbackMode )
- {
- PaError threadRes, watchdogRes;
- stream->callbackAbort = abort;
-
- if( !abort )
- {
- PA_DEBUG(( "Stopping callback\n" ));
- stream->callbackStop = 1;
- }
- PA_ENSURE( KillCallbackThread( &stream->threading, !abort, &threadRes, &watchdogRes ) );
- if( threadRes != paNoError )
- PA_DEBUG(( "Callback thread returned: %d\n", threadRes ));
- if( watchdogRes != paNoError )
- PA_DEBUG(( "Watchdog thread returned: %d\n", watchdogRes ));
-
- stream->callbackStop = 0; /* The deed is done */
- stream->callback_finished = 0;
- }
- else
- {
- PA_ENSURE( AlsaStop( stream, abort ) );
- }
-
- stream->isActive = 0;
-
-end:
- return result;
-
-error:
- goto end;
-}
-
-static PaError StopStream( PaStream *s )
-{
- return RealStop( (PaAlsaStream *) s, 0 );
-}
-
-static PaError AbortStream( PaStream *s )
-{
- return RealStop( (PaAlsaStream * ) s, 1 );
-}
-
-/** The stream is considered stopped before StartStream, or AFTER a call to Abort/StopStream (callback
- * returning !paContinue is not considered)
- *
- */
-static PaError IsStreamStopped( PaStream *s )
-{
- PaAlsaStream *stream = (PaAlsaStream *)s;
-
- /* callback_finished indicates we need to join callback thread (ie. in Abort/StopStream) */
- return !IsStreamActive( s ) && !stream->callback_finished;
-}
-
-static PaError IsStreamActive( PaStream *s )
-{
- PaAlsaStream *stream = (PaAlsaStream*)s;
- return stream->isActive;
-}
-
-static PaTime GetStreamTime( PaStream *s )
-{
- PaAlsaStream *stream = (PaAlsaStream*)s;
-
- snd_timestamp_t timestamp;
- snd_pcm_status_t *status;
- snd_pcm_status_alloca( &status );
-
- /* TODO: what if we have both? does it really matter? */
-
- /* TODO: if running in callback mode, this will mean
- * libasound routines are being called from multiple threads.
- * need to verify that libasound is thread-safe. */
-
- if( stream->capture.pcm )
- {
- snd_pcm_status( stream->capture.pcm, status );
- }
- else if( stream->playback.pcm )
- {
- snd_pcm_status( stream->playback.pcm, status );
- }
-
- snd_pcm_status_get_tstamp( status, ×tamp );
- return timestamp.tv_sec + (PaTime)timestamp.tv_usec / 1000000.0;
-}
-
-static double GetStreamCpuLoad( PaStream* s )
-{
- PaAlsaStream *stream = (PaAlsaStream*)s;
-
- return PaUtil_GetCpuLoad( &stream->cpuLoadMeasurer );
-}
-
-static int SetApproximateSampleRate( snd_pcm_t *pcm, snd_pcm_hw_params_t *hwParams, double sampleRate )
-{
- unsigned long approx = (unsigned long) sampleRate;
- int dir = 0;
- double fraction = sampleRate - approx;
-
- assert( pcm && hwParams );
-
- if( fraction > 0.0 )
- {
- if( fraction > 0.5 )
- {
- ++approx;
- dir = -1;
- }
- else
- dir = 1;
- }
-
- return snd_pcm_hw_params_set_rate( pcm, hwParams, approx, dir );
-}
-
-/* Return exact sample rate in param sampleRate */
-static int GetExactSampleRate( snd_pcm_hw_params_t *hwParams, double *sampleRate )
-{
- unsigned int num, den;
- int err;
-
- assert( hwParams );
-
- err = snd_pcm_hw_params_get_rate_numden( hwParams, &num, &den );
- *sampleRate = (double) num / den;
-
- return err;
-}
-
-/* Utility functions for blocking/callback interfaces */
-
-/* Atomic restart of stream (we don't want the intermediate state visible) */
-static PaError AlsaRestart( PaAlsaStream *stream )
-{
- PaError result = paNoError;
-
- ASSERT_CALL_( pthread_mutex_lock( &stream->stateMtx ), 0 );
- PA_ENSURE( AlsaStop( stream, 0 ) );
- PA_ENSURE( AlsaStart( stream, 0 ) );
-
- PA_DEBUG(( "%s: Restarted audio\n", __FUNCTION__ ));
-
-error:
- ASSERT_CALL_( pthread_mutex_unlock( &stream->stateMtx ), 0 );
- return result;
-}
-
-/** Recover from xrun state.
- *
- */
-static PaError PaAlsaStream_HandleXrun( PaAlsaStream *self )
-{
- PaError result = paNoError;
- snd_pcm_status_t *st;
- PaTime now = PaUtil_GetTime();
- snd_timestamp_t t;
-
- snd_pcm_status_alloca( &st );
-
- if( self->playback.pcm )
- {
- snd_pcm_status( self->playback.pcm, st );
- if( snd_pcm_status_get_state( st ) == SND_PCM_STATE_XRUN )
- {
- snd_pcm_status_get_trigger_tstamp( st, &t );
- self->underrun = now * 1000 - ((PaTime) t.tv_sec * 1000 + (PaTime) t.tv_usec / 1000);
- }
- }
- if( self->capture.pcm )
- {
- snd_pcm_status( self->capture.pcm, st );
- if( snd_pcm_status_get_state( st ) == SND_PCM_STATE_XRUN )
- {
- snd_pcm_status_get_trigger_tstamp( st, &t );
- self->overrun = now * 1000 - ((PaTime) t.tv_sec * 1000 + (PaTime) t.tv_usec / 1000);
- }
- }
-
- PA_ENSURE( AlsaRestart( self ) );
-
-end:
- return result;
-error:
- goto end;
-}
-
-/** Decide if we should continue polling for specified direction, eventually adjust the poll timeout.
- *
- */
-static PaError ContinuePoll( const PaAlsaStream *stream, StreamDirection streamDir, int *pollTimeout, int *continuePoll )
-{
- PaError result = paNoError;
- snd_pcm_sframes_t delay, margin;
- int err;
- const PaAlsaStreamComponent *component = NULL, *otherComponent = NULL;
-
- *continuePoll = 1;
-
- if( StreamDirection_In == streamDir )
- {
- component = &stream->capture;
- otherComponent = &stream->playback;
- }
- else
- {
- component = &stream->playback;
- otherComponent = &stream->capture;
- }
-
- /* ALSA docs say that negative delay should indicate xrun, but in my experience snd_pcm_delay returns -EPIPE */
- if( (err = snd_pcm_delay( otherComponent->pcm, &delay )) < 0 )
- {
- if( err == -EPIPE )
- {
- /* Xrun */
- *continuePoll = 0;
- goto error;
- }
-
- ENSURE_( err, paUnanticipatedHostError );
- }
-
- if( StreamDirection_Out == streamDir )
- {
- /* Number of eligible frames before capture overrun */
- delay = otherComponent->bufferSize - delay;
- }
- margin = delay - otherComponent->framesPerBuffer / 2;
-
- if( margin < 0 )
- {
- PA_DEBUG(( "%s: Stopping poll for %s\n", __FUNCTION__, StreamDirection_In == streamDir ? "capture" : "playback" ));
- *continuePoll = 0;
- }
- else if( margin < otherComponent->framesPerBuffer )
- {
- *pollTimeout = CalculatePollTimeout( stream, margin );
- PA_DEBUG(( "%s: Trying to poll again for %s frames, pollTimeout: %d\n",
- __FUNCTION__, StreamDirection_In == streamDir ? "capture" : "playback", *pollTimeout ));
- }
-
-error:
- return result;
-}
-
-/* Callback interface */
-
-static void OnExit( void *data )
-{
- PaAlsaStream *stream = (PaAlsaStream *) data;
-
- assert( data );
-
- PaUtil_ResetCpuLoadMeasurer( &stream->cpuLoadMeasurer );
-
- stream->callback_finished = 1; /* Let the outside world know stream was stopped in callback */
- AlsaStop( stream, stream->callbackAbort );
- stream->callbackAbort = 0; /* Clear state */
-
- PA_DEBUG(( "OnExit: Stoppage\n" ));
-
- /* Eventually notify user all buffers have played */
- if( stream->streamRepresentation.streamFinishedCallback )
- stream->streamRepresentation.streamFinishedCallback( stream->streamRepresentation.userData );
- stream->isActive = 0;
-}
-
-static void CalculateTimeInfo( PaAlsaStream *stream, PaStreamCallbackTimeInfo *timeInfo )
-{
- snd_pcm_status_t *capture_status, *playback_status;
- snd_timestamp_t capture_timestamp, playback_timestamp;
- PaTime capture_time = 0., playback_time = 0.;
-
- snd_pcm_status_alloca( &capture_status );
- snd_pcm_status_alloca( &playback_status );
-
- if( stream->capture.pcm )
- {
- snd_pcm_sframes_t capture_delay;
-
- snd_pcm_status( stream->capture.pcm, capture_status );
- snd_pcm_status_get_tstamp( capture_status, &capture_timestamp );
-
- capture_time = capture_timestamp.tv_sec +
- ((PaTime)capture_timestamp.tv_usec / 1000000.0);
- timeInfo->currentTime = capture_time;
-
- capture_delay = snd_pcm_status_get_delay( capture_status );
- timeInfo->inputBufferAdcTime = timeInfo->currentTime -
- (PaTime)capture_delay / stream->streamRepresentation.streamInfo.sampleRate;
- }
- if( stream->playback.pcm )
- {
- snd_pcm_sframes_t playback_delay;
-
- snd_pcm_status( stream->playback.pcm, playback_status );
- snd_pcm_status_get_tstamp( playback_status, &playback_timestamp );
-
- playback_time = playback_timestamp.tv_sec +
- ((PaTime)playback_timestamp.tv_usec / 1000000.0);
-
- if( stream->capture.pcm ) /* Full duplex */
- {
- /* Hmm, we have both a playback and a capture timestamp.
- * Hopefully they are the same... */
- if( fabs( capture_time - playback_time ) > 0.01 )
- PA_DEBUG(("Capture time and playback time differ by %f\n", fabs(capture_time-playback_time)));
- }
- else
- timeInfo->currentTime = playback_time;
-
- playback_delay = snd_pcm_status_get_delay( playback_status );
- timeInfo->outputBufferDacTime = timeInfo->currentTime +
- (PaTime)playback_delay / stream->streamRepresentation.streamInfo.sampleRate;
- }
-}
-
-/** Called after buffer processing is finished.
- *
- * A number of mmapped frames is committed, it is possible that an xrun has occurred in the meantime.
- *
- * @param numFrames The number of frames that has been processed
- * @param xrun Return whether an xrun has occurred
- */
-static PaError PaAlsaStreamComponent_EndProcessing( PaAlsaStreamComponent *self, unsigned long numFrames, int *xrun )
-{
- PaError result = paNoError;
- int res;
-
- /* @concern FullDuplex It is possible that only one direction is marked ready after polling, and processed
- * afterwards
- */
- if( !self->ready )
- goto end;
-
- res = snd_pcm_mmap_commit( self->pcm, self->offset, numFrames );
- if( res == -EPIPE || res == -ESTRPIPE )
- {
- *xrun = 1;
- }
- else
- {
- ENSURE_( res, paUnanticipatedHostError );
- }
-
-end:
-error:
- return result;
-}
-
-/* Extract buffer from channel area */
-static unsigned char *ExtractAddress( const snd_pcm_channel_area_t *area, snd_pcm_uframes_t offset )
-{
- return (unsigned char *) area->addr + (area->first + offset * area->step) / 8;
-}
-
-/** Do necessary adaption between user and host channels.
- *
- @concern ChannelAdaption Adapting between user and host channels can involve silencing unused channels and
- duplicating mono information if host outputs come in pairs.
- */
-static PaError PaAlsaStreamComponent_DoChannelAdaption( PaAlsaStreamComponent *self, PaUtilBufferProcessor *bp, int numFrames )
-{
- PaError result = paNoError;
- unsigned char *p;
- int i;
- int unusedChans = self->numHostChannels - self->numUserChannels;
- unsigned char *src, *dst;
- int convertMono = (self->numHostChannels % 2) == 0 && (self->numUserChannels % 2) != 0;
-
- assert( StreamDirection_Out == self->streamDir );
-
- if( self->hostInterleaved )
- {
- int swidth = snd_pcm_format_size( self->nativeFormat, 1 );
- unsigned char *buffer = ExtractAddress( self->channelAreas, self->offset );
-
- /* Start after the last user channel */
- p = buffer + self->numUserChannels * swidth;
-
- if( convertMono )
- {
- /* Convert the last user channel into stereo pair */
- src = buffer + (self->numUserChannels - 1) * swidth;
- for( i = 0; i < numFrames; ++i )
- {
- dst = src + swidth;
- memcpy( dst, src, swidth );
- src += self->numHostChannels * swidth;
- }
-
- /* Don't touch the channel we just wrote to */
- p += swidth;
- --unusedChans;
- }
-
- if( unusedChans > 0 )
- {
- /* Silence unused output channels */
- for( i = 0; i < numFrames; ++i )
- {
- memset( p, 0, swidth * unusedChans );
- p += self->numHostChannels * swidth;
- }
- }
- }
- else
- {
- /* We extract the last user channel */
- if( convertMono )
- {
- ENSURE_( snd_pcm_area_copy( self->channelAreas + self->numUserChannels, self->offset, self->channelAreas +
- (self->numUserChannels - 1), self->offset, numFrames, self->nativeFormat ), paUnanticipatedHostError );
- --unusedChans;
- }
- if( unusedChans > 0 )
- {
- snd_pcm_areas_silence( self->channelAreas + (self->numHostChannels - unusedChans), self->offset, unusedChans, numFrames,
- self->nativeFormat );
- }
- }
-
-error:
- return result;
-}
-
-static PaError PaAlsaStream_EndProcessing( PaAlsaStream *self, unsigned long numFrames, int *xrunOccurred )
-{
- PaError result = paNoError;
- int xrun = 0;
-
- if( self->capture.pcm )
- {
- PA_ENSURE( PaAlsaStreamComponent_EndProcessing( &self->capture, numFrames, &xrun ) );
- }
- if( self->playback.pcm )
- {
- if( self->playback.numHostChannels > self->playback.numUserChannels )
- PA_ENSURE( PaAlsaStreamComponent_DoChannelAdaption( &self->playback, &self->bufferProcessor, numFrames ) );
- PA_ENSURE( PaAlsaStreamComponent_EndProcessing( &self->playback, numFrames, &xrun ) );
- }
-
-error:
- *xrunOccurred = xrun;
- return result;
-}
-
-/** Update the number of available frames.
- *
- */
-static PaError PaAlsaStreamComponent_GetAvailableFrames( PaAlsaStreamComponent *self, unsigned long *numFrames, int *xrunOccurred )
-{
- PaError result = paNoError;
- snd_pcm_sframes_t framesAvail = snd_pcm_avail_update( self->pcm );
- *xrunOccurred = 0;
-
- if( -EPIPE == framesAvail )
- {
- *xrunOccurred = 1;
- framesAvail = 0;
- }
- else
- ENSURE_( framesAvail, paUnanticipatedHostError );
-
- *numFrames = framesAvail;
-
-error:
- return result;
-}
-
-/** Fill in pollfd objects.
- */
-static PaError PaAlsaStreamComponent_BeginPolling( PaAlsaStreamComponent *self, struct pollfd *pfds )
-{
- PaError result = paNoError;
- int ret = snd_pcm_poll_descriptors( self->pcm, pfds, self->nfds );
- assert( ret == self->nfds );
-
- self->ready = 0;
-
- return result;
-}
-
-/** Examine results from poll().
- *
- * @param pfds pollfds to inspect
- * @param shouldPoll Should we continue to poll
- * @param xrun Has an xrun occurred
- */
-static PaError PaAlsaStreamComponent_EndPolling( PaAlsaStreamComponent *self, struct pollfd *pfds, int *shouldPoll, int *xrun )
-{
- PaError result = paNoError;
- unsigned short revents;
-
- ENSURE_( snd_pcm_poll_descriptors_revents( self->pcm, pfds, self->nfds, &revents ), paUnanticipatedHostError );
- if( revents != 0 )
- {
- if( revents & POLLERR )
- {
- *xrun = 1;
- }
- else
- self->ready = 1;
-
- *shouldPoll = 0;
- }
-
-error:
- return result;
-}
-
-/** Return the number of available frames for this stream.
- *
- * @concern FullDuplex The minimum available for the two directions is calculated, it might be desirable to ignore
- * one direction however (not marked ready from poll), so this is controlled by queryCapture and queryPlayback.
- *
- * @param queryCapture Check available for capture
- * @param queryPlayback Check available for playback
- * @param available The returned number of frames
- * @param xrunOccurred Return whether an xrun has occurred
- */
-static PaError PaAlsaStream_GetAvailableFrames( PaAlsaStream *self, int queryCapture, int queryPlayback, unsigned long
- *available, int *xrunOccurred )
-{
- PaError result = paNoError;
- unsigned long captureFrames, playbackFrames;
- *xrunOccurred = 0;
-
- assert( queryCapture || queryPlayback );
-
- if( queryCapture )
- {
- assert( self->capture.pcm );
- PA_ENSURE( PaAlsaStreamComponent_GetAvailableFrames( &self->capture, &captureFrames, xrunOccurred ) );
- if( *xrunOccurred )
- goto end;
- }
- if( queryPlayback )
- {
- assert( self->playback.pcm );
- PA_ENSURE( PaAlsaStreamComponent_GetAvailableFrames( &self->playback, &playbackFrames, xrunOccurred ) );
- if( *xrunOccurred )
- goto end;
- }
-
- if( queryCapture && queryPlayback )
- {
- *available = PA_MIN( captureFrames, playbackFrames );
- }
- else if( queryCapture )
- {
- *available = captureFrames;
- }
- else
- {
- *available = playbackFrames;
- }
-
-end:
-error:
- return result;
-}
-
-/** Wait for and report available buffer space from ALSA.
- *
- * Unless ALSA reports a minimum of frames available for I/O, we poll the ALSA filedescriptors for more.
- * Both of these operations can uncover xrun conditions.
- *
- * @concern Xruns Both polling and querying available frames can report an xrun condition.
- *
- * @param framesAvail Return the number of available frames
- * @param xrunOccurred Return whether an xrun has occurred
- */
-static PaError PaAlsaStream_WaitForFrames( PaAlsaStream *self, unsigned long *framesAvail, int *xrunOccurred )
-{
- PaError result = paNoError;
- int pollPlayback = self->playback.pcm != NULL, pollCapture = self->capture.pcm != NULL;
- int pollTimeout = self->pollTimeout;
- int xrun = 0;
-
- assert( self );
- assert( framesAvail );
-
- if( !self->callbackMode )
- {
- /* In blocking mode we will only wait if necessary */
- PA_ENSURE( PaAlsaStream_GetAvailableFrames( self, self->capture.pcm != NULL, self->playback.pcm != NULL,
- framesAvail, &xrun ) );
- if( xrun )
- {
- goto end;
- }
-
- if( *framesAvail > 0 )
- {
- /* Mark pcms ready from poll */
- if( self->capture.pcm )
- self->capture.ready = 1;
- if( self->playback.pcm )
- self->playback.ready = 1;
-
- goto end;
- }
- }
-
- while( pollPlayback || pollCapture )
- {
- int totalFds = 0;
- struct pollfd *capturePfds = NULL, *playbackPfds = NULL;
-
- pthread_testcancel();
-
- if( pollCapture )
- {
- capturePfds = self->pfds;
- PA_ENSURE( PaAlsaStreamComponent_BeginPolling( &self->capture, capturePfds ) );
- totalFds += self->capture.nfds;
- }
- if( pollPlayback )
- {
- playbackPfds = self->pfds + (self->capture.pcm ? self->capture.nfds : 0);
- PA_ENSURE( PaAlsaStreamComponent_BeginPolling( &self->playback, playbackPfds ) );
- totalFds += self->playback.nfds;
- }
-
- if( poll( self->pfds, totalFds, pollTimeout ) < 0 )
- {
- /* XXX: Depend on preprocessor condition? */
- if( errno == EINTR ) { /* gdb */
- continue;
- }
-
- /* TODO: Add macro for checking system calls */
- PA_ENSURE( paInternalError );
- }
-
- /* check the return status of our pfds */
- if( pollCapture )
- {
- PA_ENSURE( PaAlsaStreamComponent_EndPolling( &self->capture, capturePfds, &pollCapture, &xrun ) );
- }
- if( pollPlayback )
- {
- PA_ENSURE( PaAlsaStreamComponent_EndPolling( &self->playback, playbackPfds, &pollPlayback, &xrun ) );
- }
- if( xrun )
- {
- break;
- }
-
- /* @concern FullDuplex If only one of two pcms is ready we may want to compromise between the two.
- * If there is less than half a period's worth of samples left of frames in the other pcm's buffer we will
- * stop polling.
- */
- if( self->capture.pcm && self->playback.pcm )
- {
- if( pollCapture && !pollPlayback )
- {
- PA_ENSURE( ContinuePoll( self, StreamDirection_In, &pollTimeout, &pollCapture ) );
- }
- else if( pollPlayback && !pollCapture )
- {
- PA_ENSURE( ContinuePoll( self, StreamDirection_Out, &pollTimeout, &pollPlayback ) );
- }
- }
- }
-
- if( !xrun )
- {
- /* Get the number of available frames for the pcms that are marked ready.
- * @concern FullDuplex If only one direction is marked ready (from poll), the number of frames available for
- * the other direction is returned. This under the assumption that input is dropped earlier if paNeverDropInput
- * is not specified.
- */
- int captureReady = self->capture.pcm ? self->capture.ready : 0,
- playbackReady = self->playback.pcm ? self->playback.ready : 0;
- PA_ENSURE( PaAlsaStream_GetAvailableFrames( self, captureReady, playbackReady, framesAvail, &xrun ) );
-
- if( self->capture.pcm && self->playback.pcm )
- {
- if( !self->playback.ready && !self->neverDropInput )
- {
- /* TODO: Drop input */
- }
- }
- }
-
-end:
-error:
- if( xrun )
- {
- /* Recover from the xrun state */
- PA_ENSURE( PaAlsaStream_HandleXrun( self ) );
- *framesAvail = 0;
- }
- *xrunOccurred = xrun;
-
- return result;
-}
-
-/** Register per-channel ALSA buffer information with buffer processor.
- *
- * Mmapped buffer space is acquired from ALSA, and registered with the buffer processor. Differences between the
- * number of host and user channels is taken into account.
- *
- * @param numFrames On entrance the number of requested frames, on exit the number of contiguously accessible frames.
- */
-static PaError PaAlsaStreamComponent_RegisterChannels( PaAlsaStreamComponent *self, PaUtilBufferProcessor *bp,
- unsigned long *numFrames, int *xrun )
-{
- PaError result = paNoError;
- const snd_pcm_channel_area_t *areas, *area;
- void (*setChannel)(PaUtilBufferProcessor *, unsigned int, void *, unsigned int) =
- StreamDirection_In == self->streamDir ? PaUtil_SetInputChannel : PaUtil_SetOutputChannel;
- unsigned char *buffer, *p;
- int i;
- unsigned long framesAvail;
-
- /* This _must_ be called before mmap_begin */
- PA_ENSURE( PaAlsaStreamComponent_GetAvailableFrames( self, &framesAvail, xrun ) );
- if( *xrun )
- {
- *numFrames = 0;
- goto end;
- }
-
- ENSURE_( snd_pcm_mmap_begin( self->pcm, &areas, &self->offset, numFrames ), paUnanticipatedHostError );
-
- if( self->hostInterleaved )
- {
- int swidth = snd_pcm_format_size( self->nativeFormat, 1 );
-
- p = buffer = ExtractAddress( areas, self->offset );
- for( i = 0; i < self->numUserChannels; ++i )
- {
- /* We're setting the channels up to userChannels, but the stride will be hostChannels samples */
- setChannel( bp, i, p, self->numHostChannels );
- p += swidth;
- }
- }
- else
- {
- for( i = 0; i < self->numUserChannels; ++i )
- {
- area = areas + i;
- buffer = ExtractAddress( area, self->offset );
- setChannel( bp, i, buffer, 1 );
- }
- }
-
- /* @concern ChannelAdaption Buffer address is recorded so we can do some channel adaption later */
- self->channelAreas = (snd_pcm_channel_area_t *)areas;
-
-end:
-error:
- return result;
-}
-
-/** Initiate buffer processing.
- *
- * ALSA buffers are registered with the PA buffer processor and the buffer size (in frames) set.
- *
- * @concern FullDuplex If both directions are being processed, the minimum amount of frames for the two directions is
- * calculated.
- *
- * @param numFrames On entrance the number of available frames, on exit the number of received frames
- * @param xrunOccurred Return whether an xrun has occurred
- */
-static PaError PaAlsaStream_SetUpBuffers( PaAlsaStream *self, unsigned long *numFrames, int *xrunOccurred )
-{
- PaError result = paNoError;
- unsigned long captureFrames = ULONG_MAX, playbackFrames = ULONG_MAX, commonFrames = 0;
- int xrun = 0;
-
- /* Extract per-channel ALSA buffer pointers and register them with the buffer processor.
- * It is possible that a direction is not marked ready however, because it is out of sync with the other.
- */
- if( self->capture.pcm && self->capture.ready )
- {
- captureFrames = *numFrames;
- PA_ENSURE( PaAlsaStreamComponent_RegisterChannels( &self->capture, &self->bufferProcessor, &captureFrames,
- &xrun ) );
- }
- if( self->playback.pcm && self->playback.ready )
- {
- playbackFrames = *numFrames;
- PA_ENSURE( PaAlsaStreamComponent_RegisterChannels( &self->playback, &self->bufferProcessor, &playbackFrames,
- &xrun ) );
- }
- if( xrun )
- {
- /* Nothing more to do */
- assert( 0 == commonFrames );
- goto end;
- }
-
- commonFrames = PA_MIN( captureFrames, playbackFrames );
- assert( commonFrames <= *numFrames );
-
- /* Inform PortAudio of the number of frames we got.
- * @concern FullDuplex We might be experiencing underflow in either end; if its an input underflow, we go on
- * with output. If its output underflow however, depending on the paNeverDropInput flag, we may want to simply
- * discard the excess input or call the callback with paOutputOverflow flagged.
- */
- if( self->capture.pcm )
- {
- if( self->capture.ready )
- {
- PaUtil_SetInputFrameCount( &self->bufferProcessor, commonFrames );
- }
- else
- {
- /* We have input underflow */
- PaUtil_SetNoInput( &self->bufferProcessor );
- }
- }
- if( self->playback.pcm )
- {
- if( self->playback.ready )
- {
- PaUtil_SetOutputFrameCount( &self->bufferProcessor, commonFrames );
- }
- else
- {
- /* We have output underflow, but keeping input data (paNeverDropInput) */
- /* assert( self->neverDropInput ); */
- PaUtil_SetNoOutput( &self->bufferProcessor );
- }
- }
-
-end:
- *numFrames = commonFrames;
-error:
- if( xrun )
- {
- PA_ENSURE( PaAlsaStream_HandleXrun( self ) );
- *numFrames = 0;
- }
- *xrunOccurred = xrun;
-
- return result;
-}
-
-/** Callback thread's function.
- *
- * Roughly, the workflow can be described in the following way: The number of available frames that can be processed
- * directly is obtained from ALSA, we then request as much directly accessible memory as possible within this amount
- * from ALSA. The buffer memory is registered with the PA buffer processor and processing is carried out with
- * PaUtil_EndBufferProcessing. Finally, the number of processed frames is reported to ALSA. The processing can
- * happen in several iterations untill we have consumed the known number of available frames (or an xrun is detected).
- */
-static void *CallbackThreadFunc( void *userData )
-{
- PaError result = paNoError, *pres = NULL;
- PaAlsaStream *stream = (PaAlsaStream*) userData;
- PaStreamCallbackTimeInfo timeInfo = {0, 0, 0};
- snd_pcm_sframes_t startThreshold = 0;
- int callbackResult = paContinue;
- PaStreamCallbackFlags cbFlags = 0; /* We might want to keep state across iterations */
- int streamStarted = 0;
-
- assert( stream );
-
- callbackThread_ = pthread_self();
- /* Execute OnExit when exiting */
- pthread_cleanup_push( &OnExit, stream );
-
- /* Not implemented */
- assert( !stream->primeBuffers );
-
- /* @concern StreamStart If the output is being primed the output pcm needs to be prepared, otherwise the
- * stream is started immediately. The latter involves signaling the waiting main thread.
- */
- if( stream->primeBuffers )
- {
- snd_pcm_sframes_t avail;
-
- if( stream->playback.pcm )
- ENSURE_( snd_pcm_prepare( stream->playback.pcm ), paUnanticipatedHostError );
- if( stream->capture.pcm && !stream->pcmsSynced )
- ENSURE_( snd_pcm_prepare( stream->capture.pcm ), paUnanticipatedHostError );
-
- /* We can't be certain that the whole ring buffer is available for priming, but there should be
- * at least one period */
- avail = snd_pcm_avail_update( stream->playback.pcm );
- startThreshold = avail - (avail % stream->playback.framesPerBuffer);
- assert( startThreshold >= stream->playback.framesPerBuffer );
- }
- else
- {
- ASSERT_CALL_( pthread_mutex_lock( &stream->startMtx ), 0 );
- PA_ENSURE( AlsaStart( stream, 0 ) ); /* Buffer will be zeroed */
- ASSERT_CALL_( pthread_cond_signal( &stream->startCond ), 0 );
- ASSERT_CALL_( pthread_mutex_unlock( &stream->startMtx ), 0 );
-
- streamStarted = 1;
- }
-
- while( 1 )
- {
- unsigned long framesAvail, framesGot;
- int xrun = 0;
-
- pthread_testcancel();
-
- /* @concern StreamStop if the main thread has requested a stop and the stream has not been effectively
- * stopped we signal this condition by modifying callbackResult (we'll want to flush buffered output).
- */
- if( stream->callbackStop && paContinue == callbackResult )
- {
- PA_DEBUG(( "Setting callbackResult to paComplete\n" ));
- callbackResult = paComplete;
- }
-
- if( paContinue != callbackResult )
- {
- stream->callbackAbort = (paAbort == callbackResult);
- if( stream->callbackAbort ||
- /** @concern BlockAdaption Go on if adaption buffers are empty */
- PaUtil_IsBufferProcessorOutputEmpty( &stream->bufferProcessor ) )
- goto end;
-
- PA_DEBUG(( "%s: Flushing buffer processor\n", __FUNCTION__ ));
- /* There is still buffered output that needs to be processed */
- }
-
- /* Wait for data to become available, this comes down to polling the ALSA file descriptors untill we have
- * a number of available frames.
- */
- PA_ENSURE( PaAlsaStream_WaitForFrames( stream, &framesAvail, &xrun ) );
- if( xrun )
- {
- assert( 0 == framesAvail );
- continue;
-
- /* XXX: Report xruns to the user? A situation is conceivable where the callback is never invoked due
- * to constant xruns, it might be desirable to notify the user of this.
- */
- }
-
- /* Consume buffer space. Once we have a number of frames available for consumption we must retrieve the
- * mmapped buffers from ALSA, this is contiguously accessible memory however, so we may receive smaller
- * portions at a time than is available as a whole. Therefore we should be prepared to process several
- * chunks successively. The buffers are passed to the PA buffer processor.
- */
- while( framesAvail > 0 )
- {
- xrun = 0;
-
- pthread_testcancel();
-
- /** @concern Xruns Under/overflows are to be reported to the callback */
- if( stream->underrun > 0.0 )
- {
- cbFlags |= paOutputUnderflow;
- stream->underrun = 0.0;
- }
- if( stream->overrun > 0.0 )
- {
- cbFlags |= paInputOverflow;
- stream->overrun = 0.0;
- }
- if( stream->capture.pcm && stream->playback.pcm )
- {
- /** @concern FullDuplex It's possible that only one direction is being processed to avoid an
- * under- or overflow, this should be reported correspondingly */
- if( !stream->capture.ready )
- {
- cbFlags |= paInputUnderflow;
- PA_DEBUG(( "%s: Input underflow\n", __FUNCTION__ ));
- }
- else if( !stream->playback.ready )
- {
- cbFlags |= paOutputOverflow;
- PA_DEBUG(( "%s: Output overflow\n", __FUNCTION__ ));
- }
- }
-
- CallbackUpdate( &stream->threading );
- CalculateTimeInfo( stream, &timeInfo );
- PaUtil_BeginBufferProcessing( &stream->bufferProcessor, &timeInfo, cbFlags );
- cbFlags = 0;
-
- /* CPU load measurement should include processing activivity external to the stream callback */
- PaUtil_BeginCpuLoadMeasurement( &stream->cpuLoadMeasurer );
-
- framesGot = framesAvail;
- PA_ENSURE( PaAlsaStream_SetUpBuffers( stream, &framesGot, &xrun ) );
- framesAvail -= framesGot;
-
- if( framesGot > 0 )
- {
- assert( !xrun );
-
- PaUtil_EndBufferProcessing( &stream->bufferProcessor, &callbackResult );
- PA_ENSURE( PaAlsaStream_EndProcessing( stream, framesGot, &xrun ) );
- }
- PaUtil_EndCpuLoadMeasurement( &stream->cpuLoadMeasurer, framesGot );
-
- if( framesGot == 0 )
- {
- if( !xrun )
- PA_DEBUG(( "%s: Received less frames than reported from ALSA!\n", __FUNCTION__ ));
-
- /* Go back to polling for more frames */
- break;
-
- }
-
- if( paContinue != callbackResult )
- break;
- }
- }
-
- /* Match pthread_cleanup_push */
- pthread_cleanup_pop( 1 );
-
-end:
- pthread_exit( pres );
-
-error:
- /* Pass on error code */
- pres = malloc( sizeof (PaError) );
- *pres = result;
-
- goto end;
-}
-
-/* Blocking interface */
-
-static PaError ReadStream( PaStream* s, void *buffer, unsigned long frames )
-{
- PaError result = paNoError;
- PaAlsaStream *stream = (PaAlsaStream*)s;
- unsigned long framesGot, framesAvail;
- void *userBuffer;
- snd_pcm_t *save = stream->playback.pcm;
-
- assert( stream );
-
- PA_UNLESS( stream->capture.pcm, paCanNotReadFromAnOutputOnlyStream );
-
- /* Disregard playback */
- stream->playback.pcm = NULL;
-
- if( stream->overrun > 0. )
- {
- result = paInputOverflowed;
- stream->overrun = 0.0;
- }
-
- if( stream->capture.userInterleaved )
- userBuffer = buffer;
- else
- {
- /* Copy channels into local array */
- userBuffer = stream->capture.userBuffers;
- memcpy( userBuffer, buffer, sizeof (void *) * stream->capture.numUserChannels );
- }
-
- /* Start stream if in prepared state */
- if( snd_pcm_state( stream->capture.pcm ) == SND_PCM_STATE_PREPARED )
- {
- ENSURE_( snd_pcm_start( stream->capture.pcm ), paUnanticipatedHostError );
- }
-
- while( frames > 0 )
- {
- int xrun = 0;
- PA_ENSURE( PaAlsaStream_WaitForFrames( stream, &framesAvail, &xrun ) );
- framesGot = PA_MIN( framesAvail, frames );
-
- PA_ENSURE( PaAlsaStream_SetUpBuffers( stream, &framesGot, &xrun ) );
- if( framesGot > 0 )
- {
- framesGot = PaUtil_CopyInput( &stream->bufferProcessor, &userBuffer, framesGot );
- PA_ENSURE( PaAlsaStream_EndProcessing( stream, framesGot, &xrun ) );
- frames -= framesGot;
- }
- }
-
-end:
- stream->playback.pcm = save;
- return result;
-error:
- goto end;
-}
-
-static PaError WriteStream( PaStream* s, const void *buffer, unsigned long frames )
-{
- PaError result = paNoError;
- signed long err;
- PaAlsaStream *stream = (PaAlsaStream*)s;
- snd_pcm_uframes_t framesGot, framesAvail;
- const void *userBuffer;
- snd_pcm_t *save = stream->capture.pcm;
-
- assert( stream );
-
- PA_UNLESS( stream->playback.pcm, paCanNotWriteToAnInputOnlyStream );
-
- /* Disregard capture */
- stream->capture.pcm = NULL;
-
- if( stream->underrun > 0. )
- {
- result = paOutputUnderflowed;
- stream->underrun = 0.0;
- }
-
- if( stream->playback.userInterleaved )
- userBuffer = buffer;
- else /* Copy channels into local array */
- {
- userBuffer = stream->playback.userBuffers;
- memcpy( (void *)userBuffer, buffer, sizeof (void *) * stream->playback.numUserChannels );
- }
-
- while( frames > 0 )
- {
- int xrun = 0;
- snd_pcm_uframes_t hwAvail;
-
- PA_ENSURE( PaAlsaStream_WaitForFrames( stream, &framesAvail, &xrun ) );
- framesGot = PA_MIN( framesAvail, frames );
-
- PA_ENSURE( PaAlsaStream_SetUpBuffers( stream, &framesGot, &xrun ) );
- if( framesGot > 0 )
- {
- framesGot = PaUtil_CopyOutput( &stream->bufferProcessor, &userBuffer, framesGot );
- PA_ENSURE( PaAlsaStream_EndProcessing( stream, framesGot, &xrun ) );
- frames -= framesGot;
- }
-
- /* Frames residing in buffer */
- PA_ENSURE( err = GetStreamWriteAvailable( stream ) );
- framesAvail = err;
- hwAvail = stream->playback.bufferSize - framesAvail;
-
- /* Start stream after one period of samples worth */
- if( snd_pcm_state( stream->playback.pcm ) == SND_PCM_STATE_PREPARED &&
- hwAvail >= stream->playback.framesPerBuffer )
- {
- ENSURE_( snd_pcm_start( stream->playback.pcm ), paUnanticipatedHostError );
- }
- }
-
-end:
- stream->capture.pcm = save;
- return result;
-error:
- goto end;
-}
-
-/* Return frames available for reading. In the event of an overflow, the capture pcm will be restarted */
-static signed long GetStreamReadAvailable( PaStream* s )
-{
- PaError result = paNoError;
- PaAlsaStream *stream = (PaAlsaStream*)s;
- unsigned long avail;
- int xrun;
-
- PA_ENSURE( PaAlsaStreamComponent_GetAvailableFrames( &stream->capture, &avail, &xrun ) );
- if( xrun )
- {
- PA_ENSURE( PaAlsaStream_HandleXrun( stream ) );
- PA_ENSURE( PaAlsaStreamComponent_GetAvailableFrames( &stream->capture, &avail, &xrun ) );
- if( xrun )
- PA_ENSURE( paInputOverflowed );
- }
-
- return (signed long)avail;
-
-error:
- return result;
-}
-
-static signed long GetStreamWriteAvailable( PaStream* s )
-{
- PaError result = paNoError;
- PaAlsaStream *stream = (PaAlsaStream*)s;
- unsigned long avail;
- int xrun;
-
- PA_ENSURE( PaAlsaStreamComponent_GetAvailableFrames( &stream->playback, &avail, &xrun ) );
- if( xrun )
- {
- snd_pcm_sframes_t savail;
-
- PA_ENSURE( PaAlsaStream_HandleXrun( stream ) );
- savail = snd_pcm_avail_update( stream->playback.pcm );
-
- /* savail should not contain -EPIPE now, since PaAlsaStream_HandleXrun will only prepare the pcm */
- ENSURE_( savail, paUnanticipatedHostError );
-
- avail = (unsigned long) savail;
- }
-
- return (signed long)avail;
-
-error:
- return result;
-}
-
-/* Extensions */
-
-/* Initialize host api specific structure */
-void PaAlsa_InitializeStreamInfo( PaAlsaStreamInfo *info )
-{
- info->size = sizeof (PaAlsaStreamInfo);
- info->hostApiType = paALSA;
- info->version = 1;
- info->deviceString = NULL;
-}
-
-void PaAlsa_EnableRealtimeScheduling( PaStream *s, int enable )
-{
- PaAlsaStream *stream = (PaAlsaStream *) s;
- stream->threading.rtSched = enable;
-}
-
-void PaAlsa_EnableWatchdog( PaStream *s, int enable )
-{
- PaAlsaStream *stream = (PaAlsaStream *) s;
- stream->threading.useWatchdog = enable;
-}
diff --git a/src/audio/portaudio/pa_linux_alsa/pa_linux_alsa.h b/src/audio/portaudio/pa_linux_alsa/pa_linux_alsa.h
deleted file mode 100644
index b9d43c9291..0000000000
--- a/src/audio/portaudio/pa_linux_alsa/pa_linux_alsa.h
+++ /dev/null
@@ -1,64 +0,0 @@
-#ifndef PA_LINUX_ALSA_H
-#define PA_LINUX_ALSA_H
-
-/*
- * $Id$
- * PortAudio Portable Real-Time Audio Library
- * ALSA-specific extensions
- *
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-
-/** @file
- * ALSA-specific PortAudio API extension header file.
- */
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-typedef struct PaAlsaStreamInfo
-{
- unsigned long size;
- PaHostApiTypeId hostApiType;
- unsigned long version;
-
- const char *deviceString;
-}
-PaAlsaStreamInfo;
-
-void PaAlsa_InitializeStreamInfo( PaAlsaStreamInfo *info );
-
-void PaAlsa_EnableRealtimeScheduling( PaStream *s, int enable );
-
-void PaAlsa_EnableWatchdog( PaStream *s, int enable );
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif
diff --git a/src/audio/portaudio/pa_mac/pa_mac_hostapis.c b/src/audio/portaudio/pa_mac/pa_mac_hostapis.c
deleted file mode 100644
index f8306c302f..0000000000
--- a/src/audio/portaudio/pa_mac/pa_mac_hostapis.c
+++ /dev/null
@@ -1,79 +0,0 @@
-/*
- * $Id$
- * Portable Audio I/O Library Windows initialization table
- *
- * Based on the Open Source API proposed by Ross Bencina
- * Copyright (c) 1999-2002 Ross Bencina, Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/** @file
-Mac OS host API initialization function table.
-*/
-
-
-#include "pa_hostapi.h"
-
-#ifdef __cplusplus
-extern "C"
-{
-#endif /* __cplusplus */
-
- PaError PaSkeleton_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiIndex index );
- PaError PaMacCore_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiIndex index );
- PaError PaMacSm_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiIndex index );
- PaError PaJack_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiIndex index );
- PaError PaMacAsio_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiIndex index );
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
-
-
-PaUtilHostApiInitializer *paHostApiInitializers[] =
-{
-#ifdef PA_USE_COREAUDIO
- PaMacCore_Initialize,
-#endif
-
-#ifdef PA_USE_SM
- PaMacSm_Initialize,
-#endif
-
-#ifdef PA_USE_JACK
- PaJack_Initialize,
-#endif
-
-#ifdef PA_USE_ASIO
- PaMacAsio_Initialize,
-#endif
-
- PaSkeleton_Initialize, /* just for testing */
-
- 0 /* NULL terminated array */
-};
-
-
-int paDefaultHostApiIndex = 0;
diff --git a/src/audio/portaudio/pa_mac_core/notes.txt b/src/audio/portaudio/pa_mac_core/notes.txt
deleted file mode 100644
index c79b90e66d..0000000000
--- a/src/audio/portaudio/pa_mac_core/notes.txt
+++ /dev/null
@@ -1,34 +0,0 @@
-Notes on Core Audio Implementation of PortAudio
-
-by Phil Burk and Darren Gibbs
-
-Document last updated March 20, 2002
-
-WHAT WORKS
-
-Output with very low latency, <10 msec.
-Half duplex input or output.
-Full duplex on the same CoreAudio device.
-The paFLoat32, paInt16, paInt8, paUInt8 sample formats.
-Pa_GetCPULoad()
-Pa_StreamTime()
-
-KNOWN BUGS OR LIMITATIONS
-
-We do not yet support simultaneous input and output on different
-devices. Note that some CoreAudio devices like the Roland UH30 look
-like one device but are actually two different CoreAudio devices. The
-BuiltIn audio is typically one CoreAudio device.
-
-Mono doesn't work.
-
-DEVICE MAPPING
-
-CoreAudio devices can support both input and output. But the sample
-rates supported may be different. So we have map one or two PortAudio
-device to each CoreAudio device depending on whether it supports
-input, output or both.
-
-When we query devices, we first get a list of CoreAudio devices. Then
-we scan the list and add a PortAudio device for each CoreAudio device
-that supports input. Then we make a scan for output devices.
diff --git a/src/audio/portaudio/pa_mac_core/pa_mac_core.c b/src/audio/portaudio/pa_mac_core/pa_mac_core.c
deleted file mode 100644
index 9db047ebb2..0000000000
--- a/src/audio/portaudio/pa_mac_core/pa_mac_core.c
+++ /dev/null
@@ -1,892 +0,0 @@
-/*
- * $Id$
- * pa_mac_core.c
- * Implementation of PortAudio for Mac OS X CoreAudio
- *
- * PortAudio Portable Real-Time Audio Library
- * Latest Version at: http://www.portaudio.com
- *
- * Authors: Ross Bencina and Phil Burk
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-
-#include <CoreAudio/CoreAudio.h>
-#include <AudioToolbox/AudioToolbox.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <math.h>
-#include <assert.h>
-
-#include "portaudio.h"
-#include "pa_trace.h"
-#include "pa_util.h"
-#include "pa_allocation.h"
-#include "pa_hostapi.h"
-#include "pa_stream.h"
-#include "pa_cpuload.h"
-#include "pa_process.h"
-
-// ===== constants =====
-
-// ===== structs =====
-#pragma mark structs
-
-// PaMacCoreHostApiRepresentation - host api datastructure specific to this implementation
-typedef struct PaMacCore_HAR
-{
- PaUtilHostApiRepresentation inheritedHostApiRep;
- PaUtilStreamInterface callbackStreamInterface;
- PaUtilStreamInterface blockingStreamInterface;
-
- PaUtilAllocationGroup *allocations;
- AudioDeviceID *macCoreDeviceIds;
-}
-PaMacCoreHostApiRepresentation;
-
-typedef struct PaMacCore_DI
-{
- PaDeviceInfo inheritedDeviceInfo;
-}
-PaMacCoreDeviceInfo;
-
-// PaMacCoreStream - a stream data structure specifically for this implementation
-typedef struct PaMacCore_S
-{
- PaUtilStreamRepresentation streamRepresentation;
- PaUtilCpuLoadMeasurer cpuLoadMeasurer;
- PaUtilBufferProcessor bufferProcessor;
-
- int primeStreamUsingCallback;
-
- AudioDeviceID inputDevice;
- AudioDeviceID outputDevice;
-
- // Processing thread management --------------
-// HANDLE abortEvent;
-// HANDLE processingThread;
-// DWORD processingThreadId;
-
- char throttleProcessingThreadOnOverload; // 0 -> don't throtte, non-0 -> throttle
- int processingThreadPriority;
- int highThreadPriority;
- int throttledThreadPriority;
- unsigned long throttledSleepMsecs;
-
- int isStopped;
- volatile int isActive;
- volatile int stopProcessing; // stop thread once existing buffers have been returned
- volatile int abortProcessing; // stop thread immediately
-
-// DWORD allBuffersDurationMs; // used to calculate timeouts
-}
-PaMacCoreStream;
-
-// Data needed by the CoreAudio callback functions
-typedef struct PaMacCore_CD
-{
- PaMacCoreStream *stream;
- PaStreamCallback *callback;
- void *userData;
- PaUtilConverter *inputConverter;
- PaUtilConverter *outputConverter;
- void *inputBuffer;
- void *outputBuffer;
- int inputChannelCount;
- int outputChannelCount;
- PaSampleFormat inputSampleFormat;
- PaSampleFormat outputSampleFormat;
- PaUtilTriangularDitherGenerator *ditherGenerator;
-}
-PaMacClientData;
-
-// ===== CoreAudio-PortAudio bridge functions =====
-#pragma mark CoreAudio-PortAudio bridge functions
-
-// Maps CoreAudio OSStatus codes to PortAudio PaError codes
-static PaError conv_err(OSStatus error)
-{
- PaError result;
-
- switch (error) {
- case kAudioHardwareNoError:
- result = paNoError; break;
- case kAudioHardwareNotRunningError:
- result = paInternalError; break;
- case kAudioHardwareUnspecifiedError:
- result = paInternalError; break;
- case kAudioHardwareUnknownPropertyError:
- result = paInternalError; break;
- case kAudioHardwareBadPropertySizeError:
- result = paInternalError; break;
- case kAudioHardwareIllegalOperationError:
- result = paInternalError; break;
- case kAudioHardwareBadDeviceError:
- result = paInvalidDevice; break;
- case kAudioHardwareBadStreamError:
- result = paBadStreamPtr; break;
- case kAudioHardwareUnsupportedOperationError:
- result = paInternalError; break;
- case kAudioDeviceUnsupportedFormatError:
- result = paSampleFormatNotSupported; break;
- case kAudioDevicePermissionsError:
- result = paDeviceUnavailable; break;
- default:
- result = paInternalError;
- }
-
- return result;
-}
-
-static AudioStreamBasicDescription *InitializeStreamDescription(const PaStreamParameters *parameters, double sampleRate)
-{
- struct AudioStreamBasicDescription *streamDescription = PaUtil_AllocateMemory(sizeof(AudioStreamBasicDescription));
- streamDescription->mSampleRate = sampleRate;
- streamDescription->mFormatID = kAudioFormatLinearPCM;
- streamDescription->mFormatFlags = 0;
- streamDescription->mFramesPerPacket = 1;
-
- if (parameters->sampleFormat & paNonInterleaved) {
- streamDescription->mFormatFlags |= kLinearPCMFormatFlagIsNonInterleaved;
- streamDescription->mChannelsPerFrame = 1;
- streamDescription->mBytesPerFrame = Pa_GetSampleSize(parameters->sampleFormat);
- streamDescription->mBytesPerPacket = Pa_GetSampleSize(parameters->sampleFormat);
- }
- else {
- streamDescription->mChannelsPerFrame = parameters->channelCount;
- }
-
- streamDescription->mBytesPerFrame = Pa_GetSampleSize(parameters->sampleFormat) * streamDescription->mChannelsPerFrame;
- streamDescription->mBytesPerPacket = streamDescription->mBytesPerFrame * streamDescription->mFramesPerPacket;
-
- if (parameters->sampleFormat & paFloat32) {
- streamDescription->mFormatFlags |= kLinearPCMFormatFlagIsFloat;
- streamDescription->mBitsPerChannel = 32;
- }
- else if (parameters->sampleFormat & paInt32) {
- streamDescription->mFormatFlags |= kLinearPCMFormatFlagIsSignedInteger;
- streamDescription->mBitsPerChannel = 32;
- }
- else if (parameters->sampleFormat & paInt24) {
- streamDescription->mFormatFlags |= kLinearPCMFormatFlagIsSignedInteger;
- streamDescription->mBitsPerChannel = 24;
- }
- else if (parameters->sampleFormat & paInt16) {
- streamDescription->mFormatFlags |= kLinearPCMFormatFlagIsSignedInteger;
- streamDescription->mBitsPerChannel = 16;
- }
- else if (parameters->sampleFormat & paInt8) {
- streamDescription->mFormatFlags |= kLinearPCMFormatFlagIsSignedInteger;
- streamDescription->mBitsPerChannel = 8;
- }
- else if (parameters->sampleFormat & paInt32) {
- streamDescription->mBitsPerChannel = 8;
- }
-
- return streamDescription;
-}
-
-static PaStreamCallbackTimeInfo *InitializeTimeInfo(const AudioTimeStamp* now, const AudioTimeStamp* inputTime, const AudioTimeStamp* outputTime)
-{
- PaStreamCallbackTimeInfo *timeInfo = PaUtil_AllocateMemory(sizeof(PaStreamCallbackTimeInfo));
-
- timeInfo->inputBufferAdcTime = inputTime->mSampleTime;
- timeInfo->currentTime = now->mSampleTime;
- timeInfo->outputBufferDacTime = outputTime->mSampleTime;
-
- return timeInfo;
-}
-
-// ===== support functions =====
-#pragma mark support functions
-
-static void CleanUp(PaMacCoreHostApiRepresentation *macCoreHostApi)
-{
- if( macCoreHostApi->allocations )
- {
- PaUtil_FreeAllAllocations( macCoreHostApi->allocations );
- PaUtil_DestroyAllocationGroup( macCoreHostApi->allocations );
- }
-
- PaUtil_FreeMemory( macCoreHostApi );
-}
-
-static PaError GetChannelInfo(PaDeviceInfo *deviceInfo, AudioDeviceID macCoreDeviceId, int isInput)
-{
- UInt32 propSize;
- PaError err = paNoError;
- UInt32 i;
- int numChannels = 0;
- AudioBufferList *buflist;
-
- err = conv_err(AudioDeviceGetPropertyInfo(macCoreDeviceId, 0, isInput, kAudioDevicePropertyStreamConfiguration, &propSize, NULL));
- buflist = PaUtil_AllocateMemory(propSize);
- err = conv_err(AudioDeviceGetProperty(macCoreDeviceId, 0, isInput, kAudioDevicePropertyStreamConfiguration, &propSize, buflist));
- if (!err) {
- for (i = 0; i < buflist->mNumberBuffers; ++i) {
- numChannels += buflist->mBuffers[i].mNumberChannels;
- }
- int frameLatency;
- propSize = sizeof(UInt32);
- err = conv_err(AudioDeviceGetProperty(macCoreDeviceId, 0, isInput, kAudioDevicePropertyLatency, &propSize, &frameLatency));
- if (!err) {
- double secondLatency = frameLatency / deviceInfo->defaultSampleRate;
- if (isInput) {
- deviceInfo->maxInputChannels = numChannels;
- deviceInfo->defaultLowInputLatency = secondLatency;
- deviceInfo->defaultHighInputLatency = secondLatency;
- }
- else {
- deviceInfo->maxOutputChannels = numChannels;
- deviceInfo->defaultLowOutputLatency = secondLatency;
- deviceInfo->defaultHighOutputLatency = secondLatency;
- }
- }
- }
- PaUtil_FreeMemory(buflist);
-
- return err;
-}
-
-static PaError InitializeDeviceInfo(PaMacCoreDeviceInfo *macCoreDeviceInfo, AudioDeviceID macCoreDeviceId, PaHostApiIndex hostApiIndex )
-{
- PaDeviceInfo *deviceInfo = &macCoreDeviceInfo->inheritedDeviceInfo;
- deviceInfo->structVersion = 2;
- deviceInfo->hostApi = hostApiIndex;
-
- PaError err = paNoError;
- UInt32 propSize;
-
- err = conv_err(AudioDeviceGetPropertyInfo(macCoreDeviceId, 0, 0, kAudioDevicePropertyDeviceName, &propSize, NULL));
- // FIXME: this allocation should be part of the allocations group
- char *name = PaUtil_AllocateMemory(propSize);
- err = conv_err(AudioDeviceGetProperty(macCoreDeviceId, 0, 0, kAudioDevicePropertyDeviceName, &propSize, name));
- if (!err) {
- deviceInfo->name = name;
- }
-
- Float64 sampleRate;
- propSize = sizeof(Float64);
- err = conv_err(AudioDeviceGetProperty(macCoreDeviceId, 0, 0, kAudioDevicePropertyNominalSampleRate, &propSize, &sampleRate));
- if (!err) {
- deviceInfo->defaultSampleRate = sampleRate;
- }
-
-
- // Get channel info
- err = GetChannelInfo(deviceInfo, macCoreDeviceId, 1);
- err = GetChannelInfo(deviceInfo, macCoreDeviceId, 0);
-
- return err;
-}
-
-static PaError InitializeDeviceInfos( PaMacCoreHostApiRepresentation *macCoreHostApi, PaHostApiIndex hostApiIndex )
-{
- PaError result = paNoError;
- PaUtilHostApiRepresentation *hostApi;
- PaMacCoreDeviceInfo *deviceInfoArray;
-
- // initialise device counts and default devices under the assumption that there are no devices. These values are incremented below if and when devices are successfully initialized.
- hostApi = &macCoreHostApi->inheritedHostApiRep;
- hostApi->info.deviceCount = 0;
- hostApi->info.defaultInputDevice = paNoDevice;
- hostApi->info.defaultOutputDevice = paNoDevice;
-
- UInt32 propsize;
- AudioHardwareGetPropertyInfo(kAudioHardwarePropertyDevices, &propsize, NULL);
- int numDevices = propsize / sizeof(AudioDeviceID);
- hostApi->info.deviceCount = numDevices;
- if (numDevices > 0) {
- hostApi->deviceInfos = (PaDeviceInfo**)PaUtil_GroupAllocateMemory(
- macCoreHostApi->allocations, sizeof(PaDeviceInfo*) * numDevices );
- if( !hostApi->deviceInfos )
- {
- return paInsufficientMemory;
- }
-
- // allocate all device info structs in a contiguous block
- deviceInfoArray = (PaMacCoreDeviceInfo*)PaUtil_GroupAllocateMemory(
- macCoreHostApi->allocations, sizeof(PaMacCoreDeviceInfo) * numDevices );
- if( !deviceInfoArray )
- {
- return paInsufficientMemory;
- }
-
- macCoreHostApi->macCoreDeviceIds = PaUtil_GroupAllocateMemory(macCoreHostApi->allocations, propsize);
- AudioHardwareGetProperty(kAudioHardwarePropertyDevices, &propsize, macCoreHostApi->macCoreDeviceIds);
-
- AudioDeviceID defaultInputDevice, defaultOutputDevice;
- propsize = sizeof(AudioDeviceID);
- AudioHardwareGetProperty(kAudioHardwarePropertyDefaultInputDevice, &propsize, &defaultInputDevice);
- AudioHardwareGetProperty(kAudioHardwarePropertyDefaultOutputDevice, &propsize, &defaultOutputDevice);
-
- UInt32 i;
- for (i = 0; i < numDevices; ++i) {
- if (macCoreHostApi->macCoreDeviceIds[i] == defaultInputDevice) {
- hostApi->info.defaultInputDevice = i;
- }
- if (macCoreHostApi->macCoreDeviceIds[i] == defaultOutputDevice) {
- hostApi->info.defaultOutputDevice = i;
- }
- InitializeDeviceInfo(&deviceInfoArray[i], macCoreHostApi->macCoreDeviceIds[i], hostApiIndex);
- hostApi->deviceInfos[i] = &(deviceInfoArray[i].inheritedDeviceInfo);
- }
- }
-
- return result;
-}
-
-static OSStatus CheckFormat(AudioDeviceID macCoreDeviceId, const PaStreamParameters *parameters, double sampleRate, int isInput)
-{
- UInt32 propSize = sizeof(AudioStreamBasicDescription);
- AudioStreamBasicDescription *streamDescription = PaUtil_AllocateMemory(propSize);
-
- streamDescription->mSampleRate = sampleRate;
- streamDescription->mFormatID = 0;
- streamDescription->mFormatFlags = 0;
- streamDescription->mBytesPerPacket = 0;
- streamDescription->mFramesPerPacket = 0;
- streamDescription->mBytesPerFrame = 0;
- streamDescription->mChannelsPerFrame = 0;
- streamDescription->mBitsPerChannel = 0;
- streamDescription->mReserved = 0;
-
- OSStatus result = AudioDeviceGetProperty(macCoreDeviceId, 0, isInput, kAudioDevicePropertyStreamFormatSupported, &propSize, streamDescription);
- PaUtil_FreeMemory(streamDescription);
- return result;
-}
-
-static OSStatus CopyInputData(PaMacClientData* destination, const AudioBufferList *source, unsigned long frameCount)
-{
- int frameSpacing, channelSpacing;
- if (destination->inputSampleFormat & paNonInterleaved) {
- frameSpacing = 1;
- channelSpacing = destination->inputChannelCount;
- }
- else {
- frameSpacing = destination->inputChannelCount;
- channelSpacing = 1;
- }
-
- AudioBuffer const *inputBuffer = &source->mBuffers[0];
- void *coreAudioBuffer = inputBuffer->mData;
- void *portAudioBuffer = destination->inputBuffer;
- UInt32 i, streamNumber, streamChannel;
- for (i = streamNumber = streamChannel = 0; i < destination->inputChannelCount; ++i, ++streamChannel) {
- if (streamChannel >= inputBuffer->mNumberChannels) {
- ++streamNumber;
- inputBuffer = &source->mBuffers[streamNumber];
- coreAudioBuffer = inputBuffer->mData;
- streamChannel = 0;
- }
- destination->inputConverter(portAudioBuffer, frameSpacing, coreAudioBuffer, inputBuffer->mNumberChannels, frameCount, destination->ditherGenerator);
- coreAudioBuffer += sizeof(Float32);
- portAudioBuffer += Pa_GetSampleSize(destination->inputSampleFormat) * channelSpacing;
- }
-}
-
-static OSStatus CopyOutputData(AudioBufferList* destination, PaMacClientData *source, unsigned long frameCount)
-{
- int frameSpacing, channelSpacing;
- if (source->outputSampleFormat & paNonInterleaved) {
- frameSpacing = 1;
- channelSpacing = source->outputChannelCount;
- }
- else {
- frameSpacing = source->outputChannelCount;
- channelSpacing = 1;
- }
-
- AudioBuffer *outputBuffer = &destination->mBuffers[0];
- void *coreAudioBuffer = outputBuffer->mData;
- void *portAudioBuffer = source->outputBuffer;
- UInt32 i, streamNumber, streamChannel;
- for (i = streamNumber = streamChannel = 0; i < source->outputChannelCount; ++i, ++streamChannel) {
- if (streamChannel >= outputBuffer->mNumberChannels) {
- ++streamNumber;
- outputBuffer = &destination->mBuffers[streamNumber];
- coreAudioBuffer = outputBuffer->mData;
- streamChannel = 0;
- }
- source->outputConverter(coreAudioBuffer, outputBuffer->mNumberChannels, portAudioBuffer, frameSpacing, frameCount, NULL);
- coreAudioBuffer += sizeof(Float32);
- portAudioBuffer += Pa_GetSampleSize(source->outputSampleFormat) * channelSpacing;
- }
-}
-
-static OSStatus AudioIOProc( AudioDeviceID inDevice,
- const AudioTimeStamp* inNow,
- const AudioBufferList* inInputData,
- const AudioTimeStamp* inInputTime,
- AudioBufferList* outOutputData,
- const AudioTimeStamp* inOutputTime,
- void* inClientData)
-{
- PaMacClientData *clientData = (PaMacClientData *)inClientData;
- PaStreamCallbackTimeInfo *timeInfo = InitializeTimeInfo(inNow, inInputTime, inOutputTime);
-
- PaUtil_BeginCpuLoadMeasurement( &clientData->stream->cpuLoadMeasurer );
-
- AudioBuffer *outputBuffer = &outOutputData->mBuffers[0];
- unsigned long frameCount = outputBuffer->mDataByteSize / (outputBuffer->mNumberChannels * sizeof(Float32));
-
- if (clientData->inputBuffer) {
- CopyInputData(clientData, inInputData, frameCount);
- }
- PaStreamCallbackResult result = clientData->callback(clientData->inputBuffer, clientData->outputBuffer, frameCount, timeInfo, paNoFlag, clientData->userData);
- if (clientData->outputBuffer) {
- CopyOutputData(outOutputData, clientData, frameCount);
- }
-
- PaUtil_EndCpuLoadMeasurement( &clientData->stream->cpuLoadMeasurer, frameCount );
-
- if (result == paComplete || result == paAbort) {
- Pa_StopStream(clientData->stream);
- }
-}
-
-// This is not for input-only streams, this is for streams where the input device is different from the output device
-// TODO: This needs to store the output data in a buffer, to be written to the device the next time AudioOutputProc is called
-static OSStatus AudioInputProc( AudioDeviceID inDevice,
- const AudioTimeStamp* inNow,
- const AudioBufferList* inInputData,
- const AudioTimeStamp* inInputTime,
- AudioBufferList* outOutputData,
- const AudioTimeStamp* inOutputTime,
- void* inClientData)
-{
- PaMacClientData *clientData = (PaMacClientData *)inClientData;
- PaStreamCallbackTimeInfo *timeInfo = InitializeTimeInfo(inNow, inInputTime, inOutputTime);
-
- PaUtil_BeginCpuLoadMeasurement( &clientData->stream->cpuLoadMeasurer );
-
- AudioBuffer const *inputBuffer = &inInputData->mBuffers[0];
- unsigned long frameCount = inputBuffer->mDataByteSize / (inputBuffer->mNumberChannels * sizeof(Float32));
-
- CopyInputData(clientData, inInputData, frameCount);
- clientData->callback(clientData->inputBuffer, NULL, frameCount, timeInfo, paNoFlag, clientData->userData);
-
- PaUtil_EndCpuLoadMeasurement( &clientData->stream->cpuLoadMeasurer, frameCount );
-}
-
-// This is not for output-only streams, this is for streams where the input device is different from the output device
-static OSStatus AudioOutputProc( AudioDeviceID inDevice,
- const AudioTimeStamp* inNow,
- const AudioBufferList* inInputData,
- const AudioTimeStamp* inInputTime,
- AudioBufferList* outOutputData,
- const AudioTimeStamp* inOutputTime,
- void* inClientData)
-{
- PaMacClientData *clientData = (PaMacClientData *)inClientData;
- PaStreamCallbackTimeInfo *timeInfo = InitializeTimeInfo(inNow, inInputTime, inOutputTime);
-
- PaUtil_BeginCpuLoadMeasurement( &clientData->stream->cpuLoadMeasurer );
-
- AudioBuffer *outputBuffer = &outOutputData->mBuffers[0];
- unsigned long frameCount = outputBuffer->mDataByteSize / (outputBuffer->mNumberChannels * sizeof(Float32));
-
- clientData->callback(NULL, clientData->outputBuffer, frameCount, timeInfo, paNoFlag, clientData->userData);
-
- CopyOutputData(outOutputData, clientData, frameCount);
-
- PaUtil_EndCpuLoadMeasurement( &clientData->stream->cpuLoadMeasurer, frameCount );
-}
-
-static PaError SetSampleRate(AudioDeviceID device, double sampleRate, int isInput)
-{
- PaError result = paNoError;
-
- double actualSampleRate;
- UInt32 propSize = sizeof(double);
- result = conv_err(AudioDeviceSetProperty(device, NULL, 0, isInput, kAudioDevicePropertyNominalSampleRate, propSize, &sampleRate));
-
- result = conv_err(AudioDeviceGetProperty(device, 0, isInput, kAudioDevicePropertyNominalSampleRate, &propSize, &actualSampleRate));
-
- if (result == paNoError && actualSampleRate != sampleRate) {
- result = paInvalidSampleRate;
- }
-
- return result;
-}
-
-static PaError SetFramesPerBuffer(AudioDeviceID device, unsigned long framesPerBuffer, int isInput)
-{
- PaError result = paNoError;
- UInt32 preferredFramesPerBuffer = framesPerBuffer;
- // while (preferredFramesPerBuffer > UINT32_MAX) {
- // preferredFramesPerBuffer /= 2;
- // }
-
- UInt32 actualFramesPerBuffer;
- UInt32 propSize = sizeof(UInt32);
- result = conv_err(AudioDeviceSetProperty(device, NULL, 0, isInput, kAudioDevicePropertyBufferFrameSize, propSize, &preferredFramesPerBuffer));
-
- result = conv_err(AudioDeviceGetProperty(device, 0, isInput, kAudioDevicePropertyBufferFrameSize, &propSize, &actualFramesPerBuffer));
-
- if (result != paNoError) {
- // do nothing
- }
- else if (actualFramesPerBuffer > framesPerBuffer) {
- result = paBufferTooSmall;
- }
- else if (actualFramesPerBuffer < framesPerBuffer) {
- result = paBufferTooBig;
- }
-
- return result;
-}
-
-static PaError SetUpUnidirectionalStream(AudioDeviceID device, double sampleRate, unsigned long framesPerBuffer, int isInput)
-{
- PaError err = paNoError;
- err = SetSampleRate(device, sampleRate, isInput);
- if( err == paNoError )
- err = SetFramesPerBuffer(device, framesPerBuffer, isInput);
- return err;
-}
-
-// ===== PortAudio functions =====
-#pragma mark PortAudio functions
-
-#ifdef __cplusplus
-extern "C"
-{
-#endif // __cplusplus
-
- PaError PaMacCore_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiIndex index );
-
-#ifdef __cplusplus
-}
-#endif // __cplusplus
-
-static void Terminate( struct PaUtilHostApiRepresentation *hostApi )
-{
- PaMacCoreHostApiRepresentation *macCoreHostApi = (PaMacCoreHostApiRepresentation*)hostApi;
-
- CleanUp(macCoreHostApi);
-}
-
-static PaError IsFormatSupported( struct PaUtilHostApiRepresentation *hostApi,
- const PaStreamParameters *inputParameters,
- const PaStreamParameters *outputParameters,
- double sampleRate )
-{
- PaMacCoreHostApiRepresentation *macCoreHostApi = (PaMacCoreHostApiRepresentation*)hostApi;
- PaDeviceInfo *deviceInfo;
-
- PaError result = paNoError;
- if (inputParameters) {
- deviceInfo = macCoreHostApi->inheritedHostApiRep.deviceInfos[inputParameters->device];
- if (inputParameters->channelCount > deviceInfo->maxInputChannels)
- result = paInvalidChannelCount;
- else if (CheckFormat(macCoreHostApi->macCoreDeviceIds[inputParameters->device], inputParameters, sampleRate, 1) != kAudioHardwareNoError) {
- result = paInvalidSampleRate;
- }
- }
- if (outputParameters && result == paNoError) {
- deviceInfo = macCoreHostApi->inheritedHostApiRep.deviceInfos[outputParameters->device];
- if (outputParameters->channelCount > deviceInfo->maxOutputChannels)
- result = paInvalidChannelCount;
- else if (CheckFormat(macCoreHostApi->macCoreDeviceIds[outputParameters->device], outputParameters, sampleRate, 0) != kAudioHardwareNoError) {
- result = paInvalidSampleRate;
- }
- }
-
- return result;
-}
-
-static PaError OpenStream( struct PaUtilHostApiRepresentation *hostApi,
- PaStream** s,
- const PaStreamParameters *inputParameters,
- const PaStreamParameters *outputParameters,
- double sampleRate,
- unsigned long framesPerBuffer,
- PaStreamFlags streamFlags,
- PaStreamCallback *streamCallback,
- void *userData )
-{
- PaError err = paNoError;
- PaMacCoreHostApiRepresentation *macCoreHostApi = (PaMacCoreHostApiRepresentation *)hostApi;
- PaMacCoreStream *stream = PaUtil_AllocateMemory(sizeof(PaMacCoreStream));
- stream->isActive = 0;
- stream->isStopped = 1;
- stream->inputDevice = kAudioDeviceUnknown;
- stream->outputDevice = kAudioDeviceUnknown;
-
- PaUtil_InitializeStreamRepresentation( &stream->streamRepresentation,
- ( (streamCallback)
- ? &macCoreHostApi->callbackStreamInterface
- : &macCoreHostApi->blockingStreamInterface ),
- streamCallback, userData );
- PaUtil_InitializeCpuLoadMeasurer( &stream->cpuLoadMeasurer, sampleRate );
-
- *s = (PaStream*)stream;
- PaMacClientData *clientData = PaUtil_AllocateMemory(sizeof(PaMacClientData));
- clientData->stream = stream;
- clientData->callback = streamCallback;
- clientData->userData = userData;
- clientData->inputBuffer = 0;
- clientData->outputBuffer = 0;
- clientData->ditherGenerator = PaUtil_AllocateMemory(sizeof(PaUtilTriangularDitherGenerator));
- PaUtil_InitializeTriangularDitherState(clientData->ditherGenerator);
-
- if (inputParameters != NULL) {
- stream->inputDevice = macCoreHostApi->macCoreDeviceIds[inputParameters->device];
- clientData->inputConverter = PaUtil_SelectConverter(paFloat32, inputParameters->sampleFormat, streamFlags);
- clientData->inputBuffer = PaUtil_AllocateMemory(Pa_GetSampleSize(inputParameters->sampleFormat) * framesPerBuffer * inputParameters->channelCount);
- clientData->inputChannelCount = inputParameters->channelCount;
- clientData->inputSampleFormat = inputParameters->sampleFormat;
- err = SetUpUnidirectionalStream(stream->inputDevice, sampleRate, framesPerBuffer, 1);
- }
-
- if (err == paNoError && outputParameters != NULL) {
- stream->outputDevice = macCoreHostApi->macCoreDeviceIds[outputParameters->device];
- clientData->outputConverter = PaUtil_SelectConverter(outputParameters->sampleFormat, paFloat32, streamFlags);
- clientData->outputBuffer = PaUtil_AllocateMemory(Pa_GetSampleSize(outputParameters->sampleFormat) * framesPerBuffer * outputParameters->channelCount);
- clientData->outputChannelCount = outputParameters->channelCount;
- clientData->outputSampleFormat = outputParameters->sampleFormat;
- err = SetUpUnidirectionalStream(stream->outputDevice, sampleRate, framesPerBuffer, 0);
- }
-
- if (inputParameters == NULL || outputParameters == NULL || stream->inputDevice == stream->outputDevice) {
- AudioDeviceID device = (inputParameters == NULL) ? stream->outputDevice : stream->inputDevice;
-
- AudioDeviceAddIOProc(device, AudioIOProc, clientData);
- }
- else {
- // using different devices for input and output
- AudioDeviceAddIOProc(stream->inputDevice, AudioInputProc, clientData);
- AudioDeviceAddIOProc(stream->outputDevice, AudioOutputProc, clientData);
- }
-
- return err;
-}
-
-// Note: When CloseStream() is called, the multi-api layer ensures that the stream has already been stopped or aborted.
-static PaError CloseStream( PaStream* s )
-{
- PaError err = paNoError;
- PaMacCoreStream *stream = (PaMacCoreStream*)s;
-
- PaUtil_ResetCpuLoadMeasurer( &stream->cpuLoadMeasurer );
-
- if (stream->inputDevice != kAudioDeviceUnknown) {
- if (stream->outputDevice == kAudioDeviceUnknown || stream->outputDevice == stream->inputDevice) {
- err = conv_err(AudioDeviceRemoveIOProc(stream->inputDevice, AudioIOProc));
- }
- else {
- err = conv_err(AudioDeviceRemoveIOProc(stream->inputDevice, AudioInputProc));
- err = conv_err(AudioDeviceRemoveIOProc(stream->outputDevice, AudioOutputProc));
- }
- }
- else {
- err = conv_err(AudioDeviceRemoveIOProc(stream->outputDevice, AudioIOProc));
- }
-
- return err;
-}
-
-
-static PaError StartStream( PaStream *s )
-{
- PaError err = paNoError;
- PaMacCoreStream *stream = (PaMacCoreStream*)s;
-
- if (stream->inputDevice != kAudioDeviceUnknown) {
- if (stream->outputDevice == kAudioDeviceUnknown || stream->outputDevice == stream->inputDevice) {
- err = conv_err(AudioDeviceStart(stream->inputDevice, AudioIOProc));
- }
- else {
- err = conv_err(AudioDeviceStart(stream->inputDevice, AudioInputProc));
- err = conv_err(AudioDeviceStart(stream->outputDevice, AudioOutputProc));
- }
- }
- else {
- err = conv_err(AudioDeviceStart(stream->outputDevice, AudioIOProc));
- }
-
- stream->isActive = 1;
- stream->isStopped = 0;
- return err;
-}
-
-static PaError AbortStream( PaStream *s )
-{
- PaError err = paNoError;
- PaMacCoreStream *stream = (PaMacCoreStream*)s;
-
- if (stream->inputDevice != kAudioDeviceUnknown) {
- if (stream->outputDevice == kAudioDeviceUnknown || stream->outputDevice == stream->inputDevice) {
- err = conv_err(AudioDeviceStop(stream->inputDevice, AudioIOProc));
- }
- else {
- err = conv_err(AudioDeviceStop(stream->inputDevice, AudioInputProc));
- err = conv_err(AudioDeviceStop(stream->outputDevice, AudioOutputProc));
- }
- }
- else {
- err = conv_err(AudioDeviceStop(stream->outputDevice, AudioIOProc));
- }
-
- stream->isActive = 0;
- stream->isStopped = 1;
- return err;
-}
-
-static PaError StopStream( PaStream *s )
-{
- // TODO: this should be nicer than abort
- return AbortStream(s);
-}
-
-static PaError IsStreamStopped( PaStream *s )
-{
- PaMacCoreStream *stream = (PaMacCoreStream*)s;
-
- return stream->isStopped;
-}
-
-
-static PaError IsStreamActive( PaStream *s )
-{
- PaMacCoreStream *stream = (PaMacCoreStream*)s;
-
- return stream->isActive;
-}
-
-
-static PaTime GetStreamTime( PaStream *s )
-{
- OSStatus err;
- PaTime result;
- PaMacCoreStream *stream = (PaMacCoreStream*)s;
-
- AudioTimeStamp *timeStamp = PaUtil_AllocateMemory(sizeof(AudioTimeStamp));
- if (stream->inputDevice != kAudioDeviceUnknown) {
- err = AudioDeviceGetCurrentTime(stream->inputDevice, timeStamp);
- }
- else {
- err = AudioDeviceGetCurrentTime(stream->outputDevice, timeStamp);
- }
-
- result = err ? 0 : timeStamp->mSampleTime;
- PaUtil_FreeMemory(timeStamp);
-
- return result;
-}
-
-
-static double GetStreamCpuLoad( PaStream* s )
-{
- PaMacCoreStream *stream = (PaMacCoreStream*)s;
-
- return PaUtil_GetCpuLoad( &stream->cpuLoadMeasurer );
-}
-
-
-// As separate stream interfaces are used for blocking and callback streams, the following functions can be guaranteed to only be called for blocking streams.
-
-static PaError ReadStream( PaStream* s,
- void *buffer,
- unsigned long frames )
-{
- return paInternalError;
-}
-
-
-static PaError WriteStream( PaStream* s,
- const void *buffer,
- unsigned long frames )
-{
- return paInternalError;
-}
-
-
-static signed long GetStreamReadAvailable( PaStream* s )
-{
- return paInternalError;
-}
-
-
-static signed long GetStreamWriteAvailable( PaStream* s )
-{
- return paInternalError;
-}
-
-// HostAPI-specific initialization function
-PaError PaMacCore_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiIndex hostApiIndex )
-{
- PaError result = paNoError;
- PaMacCoreHostApiRepresentation *macCoreHostApi = (PaMacCoreHostApiRepresentation *)PaUtil_AllocateMemory( sizeof(PaMacCoreHostApiRepresentation) );
- if( !macCoreHostApi )
- {
- result = paInsufficientMemory;
- goto error;
- }
-
- macCoreHostApi->allocations = PaUtil_CreateAllocationGroup();
- if( !macCoreHostApi->allocations )
- {
- result = paInsufficientMemory;
- goto error;
- }
-
- *hostApi = &macCoreHostApi->inheritedHostApiRep;
- (*hostApi)->info.structVersion = 1;
- (*hostApi)->info.type = paCoreAudio;
- (*hostApi)->info.name = "CoreAudio";
-
- result = InitializeDeviceInfos(macCoreHostApi, hostApiIndex);
- if (result != paNoError) {
- goto error;
- }
-
- // Set up the proper callbacks to this HostApi's functions
- (*hostApi)->Terminate = Terminate;
- (*hostApi)->OpenStream = OpenStream;
- (*hostApi)->IsFormatSupported = IsFormatSupported;
-
- PaUtil_InitializeStreamInterface( &macCoreHostApi->callbackStreamInterface, CloseStream, StartStream,
- StopStream, AbortStream, IsStreamStopped, IsStreamActive,
- GetStreamTime, GetStreamCpuLoad,
- PaUtil_DummyRead, PaUtil_DummyWrite,
- PaUtil_DummyGetReadAvailable, PaUtil_DummyGetWriteAvailable );
-
- PaUtil_InitializeStreamInterface( &macCoreHostApi->blockingStreamInterface, CloseStream, StartStream,
- StopStream, AbortStream, IsStreamStopped, IsStreamActive,
- GetStreamTime, PaUtil_DummyGetCpuLoad,
- ReadStream, WriteStream, GetStreamReadAvailable, GetStreamWriteAvailable );
-
- return result;
-
-error:
- if( macCoreHostApi ) {
- CleanUp(macCoreHostApi);
- }
-
- return result;
-}
\ No newline at end of file
diff --git a/src/audio/portaudio/pa_mac_sm/pa_mac_sm.c b/src/audio/portaudio/pa_mac_sm/pa_mac_sm.c
deleted file mode 100644
index 7a8e03009d..0000000000
--- a/src/audio/portaudio/pa_mac_sm/pa_mac_sm.c
+++ /dev/null
@@ -1,1656 +0,0 @@
-/*
- * $Id$
- * Portable Audio I/O Library for Macintosh
- *
- * Based on the Open Source API proposed by Ross Bencina
- * Copyright (c) 1999-2000 Phil Burk
- *
- * Special thanks to Chris Rolfe for his many helpful suggestions, bug fixes,
- * and code contributions.
- * Thanks also to Tue Haste Andersen, Alberto Ricci, Nico Wald,
- * Roelf Toxopeus and Tom Erbe for testing the code and making
- * numerous suggestions.
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-/* Modification History
- PLB20010415 - ScanInputDevices was setting sDefaultOutputDeviceID instead of sDefaultInputDeviceID
- PLB20010415 - Device Scan was crashing for anything other than siBadSoundInDevice, but some Macs may return other errors!
- PLB20010420 - Fix TIMEOUT in record mode.
- PLB20010420 - Change CARBON_COMPATIBLE to TARGET_API_MAC_CARBON
- PLB20010907 - Pass unused event to WaitNextEvent to prevent Mac OSX crash. Thanks Dominic Mazzoni.
- PLB20010908 - Use requested number of input channels. Thanks Dominic Mazzoni.
- PLB20011009 - Use NewSndCallBackUPP() for CARBON
- PLB20020417 - I used to call Pa_GetMinNumBuffers() which doesn't take into account the
- variable minFramesPerHostBuffer. Now I call PaMac_GetMinNumBuffers() which will
- give lower latency when virtual memory is turned off.
- Thanks Kristoffer Jensen and Georgios Marentakis for spotting this bug.
- PLB20020423 - Use new method to calculate CPU load similar to other ports. Based on num frames calculated.
- Fixed Pa_StreamTime(). Now estimates how many frames have played based on MicroSecond timer.
- Added PA_MAX_USAGE_ALLOWED to prevent Mac form hanging when CPU load approaches 100%.
- PLB20020424 - Fixed return value in Pa_StreamTime
-*/
-
-/*
-COMPATIBILITY
-This Macintosh implementation is designed for use with Mac OS 7, 8 and
-9 on PowerMacs, and OS X if compiled with CARBON
-
-OUTPUT
-A circular array of CmpSoundHeaders is used as a queue. For low latency situations
-there will only be two small buffers used. For higher latency, more and larger buffers
-may be used.
-To play the sound we use SndDoCommand() with bufferCmd. Each buffer is followed
-by a callbackCmd which informs us when the buffer has been processsed.
-
-INPUT
-The SndInput Manager SPBRecord call is used for sound input. If only
-input is used, then the PA user callback is called from the Input completion proc.
-For full-duplex, or output only operation, the PA callback is called from the
-HostBuffer output completion proc. In that case, input sound is passed to the
-callback by a simple FIFO.
-
-TODO:
-O- Add support for native sample data formats other than int16.
-O- Review buffer sizing. Should it be based on result of siDeviceBufferInfo query?
-O- Determine default devices somehow.
-*/
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <memory.h>
-#include <math.h>
-
-/* Mac specific includes */
-#include "OSUtils.h"
-#include <MacTypes.h>
-#include <Math64.h>
-#include <Errors.h>
-#include <Sound.h>
-#include <SoundInput.h>
-#include <SoundComponents.h>
-#include <Devices.h>
-#include <DateTimeUtils.h>
-#include <Timer.h>
-#include <Gestalt.h>
-
-#include "portaudio.h"
-#include "pa_host.h"
-#include "pa_trace.h"
-
-#ifndef FALSE
- #define FALSE (0)
- #define TRUE (!FALSE)
-#endif
-
-/* #define TARGET_API_MAC_CARBON (1) */
-
-/*
- * Define maximum CPU load that will be allowed. User callback will
- * be skipped if load exceeds this limit. This is to prevent the Mac
- * from hanging when the CPU is hogged by the sound thread.
- * On my PowerBook G3, the mac hung when I used 94% of CPU ( usage = 0.94 ).
- */
-#define PA_MAX_USAGE_ALLOWED (0.92)
-
-/* Debugging output macros. */
-#define PRINT(x) { printf x; fflush(stdout); }
-#define ERR_RPT(x) PRINT(x)
-#define DBUG(x) /* PRINT(x) /**/
-#define DBUGX(x) /* PRINT(x) /**/
-
-#define MAC_PHYSICAL_FRAMES_PER_BUFFER (512) /* Minimum number of stereo frames per SoundManager double buffer. */
-#define MAC_VIRTUAL_FRAMES_PER_BUFFER (4096) /* Need this many when using Virtual Memory for recording. */
-#define PA_MIN_NUM_HOST_BUFFERS (2)
-#define PA_MAX_NUM_HOST_BUFFERS (16) /* Do not exceed!! */
-#define PA_MAX_DEVICE_INFO (32)
-
-/* Conversions for 16.16 fixed point code. */
-#define DoubleToUnsignedFixed(x) ((UnsignedFixed) ((x) * 65536.0))
-#define UnsignedFixedToDouble(fx) (((double)(fx)) * (1.0/(1<<16)))
-
-/************************************************************************************/
-/****************** Structures ******************************************************/
-/************************************************************************************/
-/* Use for passing buffers from input callback to output callback for processing. */
-typedef struct MultiBuffer
-{
- char *buffers[PA_MAX_NUM_HOST_BUFFERS];
- int numBuffers;
- int nextWrite;
- int nextRead;
-}
-MultiBuffer;
-
-/* Define structure to contain all Macintosh specific data. */
-typedef struct PaHostSoundControl
-{
- UInt64 pahsc_EntryCount;
- double pahsc_InverseMicrosPerHostBuffer; /* 1/Microseconds of real-time audio per user buffer. */
-
- /* Use char instead of Boolean for atomic operation. */
- volatile char pahsc_IsRecording; /* Recording in progress. Set by foreground. Cleared by background. */
- volatile char pahsc_StopRecording; /* Signal sent to background. */
- volatile char pahsc_IfInsideCallback;
- /* Input */
- SPB pahsc_InputParams;
- SICompletionUPP pahsc_InputCompletionProc;
- MultiBuffer pahsc_InputMultiBuffer;
- int32 pahsc_BytesPerInputHostBuffer;
- int32 pahsc_InputRefNum;
- /* Output */
- CmpSoundHeader pahsc_SoundHeaders[PA_MAX_NUM_HOST_BUFFERS];
- int32 pahsc_BytesPerOutputHostBuffer;
- SndChannelPtr pahsc_Channel;
- SndCallBackUPP pahsc_OutputCompletionProc;
- int32 pahsc_NumOutsQueued;
- int32 pahsc_NumOutsPlayed;
- PaTimestamp pahsc_NumFramesDone;
- UInt64 pahsc_WhenFramesDoneIncremented;
- /* Init Time -------------- */
- int32 pahsc_NumHostBuffers;
- int32 pahsc_FramesPerHostBuffer;
- int32 pahsc_UserBuffersPerHostBuffer;
- int32 pahsc_MinFramesPerHostBuffer; /* Can vary depending on virtual memory usage. */
-}
-PaHostSoundControl;
-
-/* Mac specific device information. */
-typedef struct internalPortAudioDevice
-{
- long pad_DeviceRefNum;
- long pad_DeviceBufferSize;
- Component pad_Identifier;
- PaDeviceInfo pad_Info;
-}
-internalPortAudioDevice;
-
-/************************************************************************************/
-/****************** Data ************************************************************/
-/************************************************************************************/
-static int sNumDevices = 0;
-static internalPortAudioDevice sDevices[PA_MAX_DEVICE_INFO] = { 0 };
-static int32 sPaHostError = 0;
-static int sDefaultOutputDeviceID;
-static int sDefaultInputDeviceID;
-
-/************************************************************************************/
-/****************** Prototypes ******************************************************/
-/************************************************************************************/
-static PaError PaMac_TimeSlice( internalPortAudioStream *past, int16 *macOutputBufPtr );
-static PaError PaMac_CallUserLoop( internalPortAudioStream *past, int16 *outPtr );
-static PaError PaMac_RecordNext( internalPortAudioStream *past );
-static void PaMac_StartLoadCalculation( internalPortAudioStream *past );
-static int PaMac_GetMinNumBuffers( int minFramesPerHostBuffer, int framesPerBuffer, double sampleRate );
-static double *PaMac_GetSampleRatesFromHandle ( int numRates, Handle h );
-static PaError PaMac_ScanInputDevices( void );
-static PaError PaMac_ScanOutputDevices( void );
-static PaError PaMac_QueryOutputDeviceInfo( Component identifier, internalPortAudioDevice *ipad );
-static PaError PaMac_QueryInputDeviceInfo( Str255 deviceName, internalPortAudioDevice *ipad );
-static void PaMac_InitSoundHeader( internalPortAudioStream *past, CmpSoundHeader *sndHeader );
-static void PaMac_EndLoadCalculation( internalPortAudioStream *past );
-static void PaMac_PlayNext ( internalPortAudioStream *past, int index );
-static long PaMac_FillNextOutputBuffer( internalPortAudioStream *past, int index );
-static pascal void PaMac_InputCompletionProc(SPBPtr recParams);
-static pascal void PaMac_OutputCompletionProc (SndChannelPtr theChannel, SndCommand * theCmd);
-static PaError PaMac_BackgroundManager( internalPortAudioStream *past, int index );
-long PaHost_GetTotalBufferFrames( internalPortAudioStream *past );
-static int Mac_IsVirtualMemoryOn( void );
-static void PToCString(unsigned char* inString, char* outString);
-char *MultiBuffer_GetNextWriteBuffer( MultiBuffer *mbuf );
-char *MultiBuffer_GetNextReadBuffer( MultiBuffer *mbuf );
-int MultiBuffer_GetNextReadIndex( MultiBuffer *mbuf );
-int MultiBuffer_GetNextWriteIndex( MultiBuffer *mbuf );
-int MultiBuffer_IsWriteable( MultiBuffer *mbuf );
-int MultiBuffer_IsReadable( MultiBuffer *mbuf );
-void MultiBuffer_AdvanceReadIndex( MultiBuffer *mbuf );
-void MultiBuffer_AdvanceWriteIndex( MultiBuffer *mbuf );
-
-/*************************************************************************
-** Simple FIFO index control for multiple buffers.
-** Read and Write indices range from 0 to 2N-1.
-** This allows us to distinguish between full and empty.
-*/
-char *MultiBuffer_GetNextWriteBuffer( MultiBuffer *mbuf )
-{
- return mbuf->buffers[mbuf->nextWrite % mbuf->numBuffers];
-}
-char *MultiBuffer_GetNextReadBuffer( MultiBuffer *mbuf )
-{
- return mbuf->buffers[mbuf->nextRead % mbuf->numBuffers];
-}
-int MultiBuffer_GetNextReadIndex( MultiBuffer *mbuf )
-{
- return mbuf->nextRead % mbuf->numBuffers;
-}
-int MultiBuffer_GetNextWriteIndex( MultiBuffer *mbuf )
-{
- return mbuf->nextWrite % mbuf->numBuffers;
-}
-
-int MultiBuffer_IsWriteable( MultiBuffer *mbuf )
-{
- int bufsFull = mbuf->nextWrite - mbuf->nextRead;
- if( bufsFull < 0 ) bufsFull += (2 * mbuf->numBuffers);
- return (bufsFull < mbuf->numBuffers);
-}
-int MultiBuffer_IsReadable( MultiBuffer *mbuf )
-{
- int bufsFull = mbuf->nextWrite - mbuf->nextRead;
- if( bufsFull < 0 ) bufsFull += (2 * mbuf->numBuffers);
- return (bufsFull > 0);
-}
-void MultiBuffer_AdvanceReadIndex( MultiBuffer *mbuf )
-{
- int temp = mbuf->nextRead + 1;
- mbuf->nextRead = (temp >= (2 * mbuf->numBuffers)) ? 0 : temp;
-}
-void MultiBuffer_AdvanceWriteIndex( MultiBuffer *mbuf )
-{
- int temp = mbuf->nextWrite + 1;
- mbuf->nextWrite = (temp >= (2 * mbuf->numBuffers)) ? 0 : temp;
-}
-
-/*************************************************************************
-** String Utility by Chris Rolfe
-*/
-static void PToCString(unsigned char* inString, char* outString)
-{
- long i;
- for(i=0; i<inString[0]; i++) /* convert Pascal to C string */
- outString[i] = inString[i+1];
- outString[i]=0;
-}
-
-/*************************************************************************/
-PaError PaHost_Term( void )
-{
- int i;
- PaDeviceInfo *dev;
- double *rates;
- /* Free any allocated sample rate arrays. */
- for( i=0; i<sNumDevices; i++ )
- {
- dev = &sDevices[i].pad_Info;
- rates = (double *) dev->sampleRates;
- if( (rates != NULL) ) free( rates ); /* MEM_011 */
- dev->sampleRates = NULL;
- if( dev->name != NULL ) free( (void *) dev->name ); /* MEM_010 */
- dev->name = NULL;
- }
- sNumDevices = 0;
- return paNoError;
-}
-
-/*************************************************************************
- PaHost_Init() is the library initialization function - call this before
- using the library.
-*/
-PaError PaHost_Init( void )
-{
- PaError err;
- NumVersionVariant version;
-
- version.parts = SndSoundManagerVersion();
- DBUG(("SndSoundManagerVersion = 0x%x\n", version.whole));
-
- /* Have we already initialized the device info? */
- err = (PaError) Pa_CountDevices();
- if( err < 0 ) return err;
- else return paNoError;
-}
-
-/*************************************************************************
- PaMac_ScanOutputDevices() queries the properties of all output devices.
-*/
-static PaError PaMac_ScanOutputDevices( void )
-{
- PaError err;
- Component identifier=0;
- ComponentDescription criteria = { kSoundOutputDeviceType, 0, 0, 0, 0 };
- long numComponents, i;
-
- /* Search the system linked list for output components */
- numComponents = CountComponents (&criteria);
- identifier = 0;
- sDefaultOutputDeviceID = sNumDevices; /* FIXME - query somehow */
- for (i = 0; i < numComponents; i++)
- {
- /* passing nil returns first matching component. */
- identifier = FindNextComponent( identifier, &criteria);
- sDevices[sNumDevices].pad_Identifier = identifier;
-
- /* Set up for default OUTPUT devices. */
- err = PaMac_QueryOutputDeviceInfo( identifier, &sDevices[sNumDevices] );
- if( err < 0 ) return err;
- else sNumDevices++;
-
- }
-
- return paNoError;
-}
-
-/*************************************************************************
- PaMac_ScanInputDevices() queries the properties of all input devices.
-*/
-static PaError PaMac_ScanInputDevices( void )
-{
- Str255 deviceName;
- int count;
- Handle iconHandle;
- PaError err;
- OSErr oserr;
- count = 1;
- sDefaultInputDeviceID = sNumDevices; /* FIXME - query somehow */ /* PLB20010415 - was setting sDefaultOutputDeviceID */
- while(true)
- {
- /* Thanks Chris Rolfe and Alberto Ricci for this trick. */
- oserr = SPBGetIndexedDevice(count++, deviceName, &iconHandle);
- DBUG(("PaMac_ScanInputDevices: SPBGetIndexedDevice returned %d\n", oserr ));
-#if 1
- /* PLB20010415 - was giving error for anything other than siBadSoundInDevice, but some Macs may return other errors! */
- if(oserr != noErr) break; /* Some type of error is expected when count > devices */
-#else
- if(oserr == siBadSoundInDevice)
- { /* it's expected when count > devices */
- oserr = noErr;
- break;
- }
- if(oserr != noErr)
- {
- ERR_RPT(("ERROR: SPBGetIndexedDevice(%d,,) returned %d\n", count-1, oserr ));
- sPaHostError = oserr;
- return paHostError;
- }
-#endif
- DisposeHandle(iconHandle); /* Don't need the icon */
-
- err = PaMac_QueryInputDeviceInfo( deviceName, &sDevices[sNumDevices] );
- DBUG(("PaMac_ScanInputDevices: PaMac_QueryInputDeviceInfo returned %d\n", err ));
- if( err < 0 ) return err;
- else if( err == 1 ) sNumDevices++;
- }
-
- return paNoError;
-}
-
-/* Sample rate info returned by using siSampleRateAvailable selector in SPBGetDeviceInfo() */
-/* Thanks to Chris Rolfe for help with this query. */
-#pragma options align=mac68k
-typedef struct
-{
- int16 numRates;
- UnsignedFixed (**rates)[]; /* Handle created by SPBGetDeviceInfo */
-}
-SRateInfo;
-#pragma options align=reset
-
-/*************************************************************************
-** PaMac_QueryOutputDeviceInfo()
-** Query information about a named output device.
-** Clears contents of ipad and writes info based on queries.
-** Return one if OK,
-** zero if device cannot be used,
-** or negative error.
-*/
-static PaError PaMac_QueryOutputDeviceInfo( Component identifier, internalPortAudioDevice *ipad )
-{
- int len;
- OSErr err;
- PaDeviceInfo *dev = &ipad->pad_Info;
- SRateInfo srinfo = {0};
- int numRates;
- ComponentDescription tempD;
- Handle nameH=nil, infoH=nil, iconH=nil;
-
- memset( ipad, 0, sizeof(internalPortAudioDevice) );
-
- dev->structVersion = 1;
- dev->maxInputChannels = 0;
- dev->maxOutputChannels = 2;
- dev->nativeSampleFormats = paInt16; /* FIXME - query to see if 24 or 32 bit data can be handled. */
-
- /* Get sample rates supported. */
- err = GetSoundOutputInfo(identifier, siSampleRateAvailable, (Ptr) &srinfo);
- if(err != noErr)
- {
- ERR_RPT(("Error in PaMac_QueryOutputDeviceInfo: GetSoundOutputInfo siSampleRateAvailable returned %d\n", err ));
- goto error;
- }
- numRates = srinfo.numRates;
- DBUG(("PaMac_QueryOutputDeviceInfo: srinfo.numRates = 0x%x\n", srinfo.numRates ));
- if( numRates == 0 )
- {
- dev->numSampleRates = -1;
- numRates = 2;
- }
- else
- {
- dev->numSampleRates = numRates;
- }
- dev->sampleRates = PaMac_GetSampleRatesFromHandle( numRates, (Handle) srinfo.rates );
- /* SPBGetDeviceInfo created the handle, but it's OUR job to release it. */
- DisposeHandle((Handle) srinfo.rates);
-
- /* Device name */
- /* we pass an existing handle for the component name;
- we don't care about the info (type, subtype, etc.) or icon, so set them to nil */
- infoH = nil;
- iconH = nil;
- nameH = NewHandle(0);
- if(nameH == nil) return paInsufficientMemory;
- err = GetComponentInfo(identifier, &tempD, nameH, infoH, iconH);
- if (err)
- {
- ERR_RPT(("Error in PaMac_QueryOutputDeviceInfo: GetComponentInfo returned %d\n", err ));
- goto error;
- }
- len = (*nameH)[0] + 1;
- dev->name = (char *) malloc(len); /* MEM_010 */
- if( dev->name == NULL )
- {
- DisposeHandle(nameH);
- return paInsufficientMemory;
- }
- else
- {
- PToCString((unsigned char *)(*nameH), (char *) dev->name);
- DisposeHandle(nameH);
- }
-
- DBUG(("PaMac_QueryOutputDeviceInfo: dev->name = %s\n", dev->name ));
- return paNoError;
-
-error:
- sPaHostError = err;
- return paHostError;
-
-}
-
-/*************************************************************************
-** PaMac_QueryInputDeviceInfo()
-** Query information about a named input device.
-** Clears contents of ipad and writes info based on queries.
-** Return one if OK,
-** zero if device cannot be used,
-** or negative error.
-*/
-static PaError PaMac_QueryInputDeviceInfo( Str255 deviceName, internalPortAudioDevice *ipad )
-{
- PaError result = paNoError;
- int len;
- OSErr err;
- long mRefNum = 0;
- long tempL;
- int16 tempS;
- Fixed tempF;
- PaDeviceInfo *dev = &ipad->pad_Info;
- SRateInfo srinfo = {0};
- int numRates;
-
- memset( ipad, 0, sizeof(internalPortAudioDevice) );
- dev->maxOutputChannels = 0;
-
- /* Open device based on name. If device is in use, it may not be able to open in write mode. */
- err = SPBOpenDevice( deviceName, siWritePermission, &mRefNum);
- if (err)
- {
- /* If device is in use, it may not be able to open in write mode so try read mode. */
- err = SPBOpenDevice( deviceName, siReadPermission, &mRefNum);
- if (err)
- {
- ERR_RPT(("Error in PaMac_QueryInputDeviceInfo: SPBOpenDevice returned %d\n", err ));
- sPaHostError = err;
- return paHostError;
- }
- }
-
- /* Define macros for printing out device info. */
-#define PrintDeviceInfo(selector,var) \
- err = SPBGetDeviceInfo(mRefNum, selector, (Ptr) &var); \
- if (err) { \
- DBUG(("query %s failed\n", #selector )); \
- }\
- else { \
- DBUG(("query %s = 0x%x\n", #selector, var )); \
- }
-
- PrintDeviceInfo( siContinuous, tempS );
- PrintDeviceInfo( siAsync, tempS );
- PrintDeviceInfo( siNumberChannels, tempS );
- PrintDeviceInfo( siSampleSize, tempS );
- PrintDeviceInfo( siSampleRate, tempF );
- PrintDeviceInfo( siChannelAvailable, tempS );
- PrintDeviceInfo( siActiveChannels, tempL );
- PrintDeviceInfo( siDeviceBufferInfo, tempL );
-
- err = SPBGetDeviceInfo(mRefNum, siActiveChannels, (Ptr) &tempL);
- if (err == 0) DBUG(("%s = 0x%x\n", "siActiveChannels", tempL ));
- /* Can we use this device? */
- err = SPBGetDeviceInfo(mRefNum, siAsync, (Ptr) &tempS);
- if (err)
- {
- ERR_RPT(("Error in PaMac_QueryInputDeviceInfo: SPBGetDeviceInfo siAsync returned %d\n", err ));
- goto error;
- }
- if( tempS == 0 ) goto useless; /* Does not support async recording so forget about it. */
-
- err = SPBGetDeviceInfo(mRefNum, siChannelAvailable, (Ptr) &tempS);
- if (err)
- {
- ERR_RPT(("Error in PaMac_QueryInputDeviceInfo: SPBGetDeviceInfo siChannelAvailable returned %d\n", err ));
- goto error;
- }
- dev->maxInputChannels = tempS;
-
- /* Get sample rates supported. */
- err = SPBGetDeviceInfo(mRefNum, siSampleRateAvailable, (Ptr) &srinfo);
- if (err)
- {
- ERR_RPT(("Error in PaMac_QueryInputDeviceInfo: SPBGetDeviceInfo siSampleRateAvailable returned %d\n", err ));
- goto error;
- }
-
- numRates = srinfo.numRates;
- DBUG(("numRates = 0x%x\n", numRates ));
- if( numRates == 0 )
- {
- dev->numSampleRates = -1;
- numRates = 2;
- }
- else
- {
- dev->numSampleRates = numRates;
- }
- dev->sampleRates = PaMac_GetSampleRatesFromHandle( numRates, (Handle) srinfo.rates );
- /* SPBGetDeviceInfo created the handle, but it's OUR job to release it. */
- DisposeHandle((Handle) srinfo.rates);
-
- /* Get size of device buffer. */
- err = SPBGetDeviceInfo(mRefNum, siDeviceBufferInfo, (Ptr) &tempL);
- if (err)
- {
- ERR_RPT(("Error in PaMac_QueryInputDeviceInfo: SPBGetDeviceInfo siDeviceBufferInfo returned %d\n", err ));
- goto error;
- }
- ipad->pad_DeviceBufferSize = tempL;
- DBUG(("siDeviceBufferInfo = %d\n", tempL ));
-
- /* Set format based on sample size. */
- err = SPBGetDeviceInfo(mRefNum, siSampleSize, (Ptr) &tempS);
- if (err)
- {
- ERR_RPT(("Error in PaMac_QueryInputDeviceInfo: SPBGetDeviceInfo siSampleSize returned %d\n", err ));
- goto error;
- }
- switch( tempS )
- {
- case 0x0020:
- dev->nativeSampleFormats = paInt32; /* FIXME - warning, code probably won't support this! */
- break;
- case 0x0010:
- default: /* FIXME - What about other formats? */
- dev->nativeSampleFormats = paInt16;
- break;
- }
- DBUG(("nativeSampleFormats = %d\n", dev->nativeSampleFormats ));
-
- /* Device name */
- len = deviceName[0] + 1; /* Get length of Pascal string */
- dev->name = (char *) malloc(len); /* MEM_010 */
- if( dev->name == NULL )
- {
- result = paInsufficientMemory;
- goto cleanup;
- }
- PToCString(deviceName, (char *) dev->name);
- DBUG(("deviceName = %s\n", dev->name ));
- result = (PaError) 1;
- /* All done so close up device. */
-cleanup:
- if( mRefNum ) SPBCloseDevice(mRefNum);
- return result;
-
-error:
- if( mRefNum ) SPBCloseDevice(mRefNum);
- sPaHostError = err;
- return paHostError;
-
-useless:
- if( mRefNum ) SPBCloseDevice(mRefNum);
- return (PaError) 0;
-}
-
-/*************************************************************************
-** Allocate a double array and fill it with listed sample rates.
-*/
-static double * PaMac_GetSampleRatesFromHandle ( int numRates, Handle h )
-{
- OSErr err = noErr;
- SInt8 hState;
- int i;
- UnsignedFixed *fixedRates;
- double *rates = (double *) malloc( numRates * sizeof(double) ); /* MEM_011 */
- if( rates == NULL ) return NULL;
- /* Save and restore handle state as suggested by TechNote at:
- http://developer.apple.com/technotes/tn/tn1122.html
- */
- hState = HGetState (h);
- if (!(err = MemError ()))
- {
- HLock (h);
- if (!(err = MemError ( )))
- {
- fixedRates = (UInt32 *) *h;
- for( i=0; i<numRates; i++ )
- {
- rates[i] = UnsignedFixedToDouble(fixedRates[i]);
- }
-
- HSetState (h,hState);
- err = MemError ( );
- }
- }
- if( err )
- {
- free( rates );
- ERR_RPT(("Error in PaMac_GetSampleRatesFromHandle = %d\n", err ));
- }
- return rates;
-}
-
-/*************************************************************************/
-int Pa_CountDevices()
-{
- PaError err;
- DBUG(("Pa_CountDevices()\n"));
- /* If no devices, go find some. */
- if( sNumDevices <= 0 )
- {
- err = PaMac_ScanOutputDevices();
- if( err != paNoError ) goto error;
- err = PaMac_ScanInputDevices();
- if( err != paNoError ) goto error;
- }
- return sNumDevices;
-
-error:
- PaHost_Term();
- DBUG(("Pa_CountDevices: returns %d\n", err ));
- return err;
-
-}
-
-/*************************************************************************/
-const PaDeviceInfo* Pa_GetDeviceInfo( PaDeviceID id )
-{
- if( (id < 0) || ( id >= Pa_CountDevices()) ) return NULL;
- return &sDevices[id].pad_Info;
-}
-/*************************************************************************/
-PaDeviceID Pa_GetDefaultInputDeviceID( void )
-{
- return sDefaultInputDeviceID;
-}
-
-/*************************************************************************/
-PaDeviceID Pa_GetDefaultOutputDeviceID( void )
-{
- return sDefaultOutputDeviceID;
-}
-
-/********************************* BEGIN CPU UTILIZATION MEASUREMENT ****/
-static void PaMac_StartLoadCalculation( internalPortAudioStream *past )
-{
- PaHostSoundControl *pahsc = (PaHostSoundControl *) past->past_DeviceData;
- UnsignedWide widePad;
- if( pahsc == NULL ) return;
- /* Query system timer for usage analysis and to prevent overuse of CPU. */
- Microseconds( &widePad );
- pahsc->pahsc_EntryCount = UnsignedWideToUInt64( widePad );
-}
-
-/******************************************************************************
-** Measure fractional CPU load based on real-time it took to calculate
-** buffers worth of output.
-*/
-/**************************************************************************/
-static void PaMac_EndLoadCalculation( internalPortAudioStream *past )
-{
- UnsignedWide widePad;
- UInt64 currentCount;
- long usecsElapsed;
- double newUsage;
- PaHostSoundControl *pahsc = (PaHostSoundControl *) past->past_DeviceData;
- if( pahsc == NULL ) return;
-
- /* Measure CPU utilization during this callback. Note that this calculation
- ** assumes that we had the processor the whole time.
- */
-#define LOWPASS_COEFFICIENT_0 (0.95)
-#define LOWPASS_COEFFICIENT_1 (0.99999 - LOWPASS_COEFFICIENT_0)
- Microseconds( &widePad );
- currentCount = UnsignedWideToUInt64( widePad );
-
- usecsElapsed = (long) U64Subtract(currentCount, pahsc->pahsc_EntryCount);
-
- /* Use inverse because it is faster than the divide. */
- newUsage = usecsElapsed * pahsc->pahsc_InverseMicrosPerHostBuffer;
-
- past->past_Usage = (LOWPASS_COEFFICIENT_0 * past->past_Usage) +
- (LOWPASS_COEFFICIENT_1 * newUsage);
-
-}
-
-/***********************************************************************
-** Called by Pa_StartStream()
-*/
-PaError PaHost_StartInput( internalPortAudioStream *past )
-{
- PaHostSoundControl *pahsc = (PaHostSoundControl *) past->past_DeviceData;
- pahsc->pahsc_IsRecording = 0;
- pahsc->pahsc_StopRecording = 0;
- pahsc->pahsc_InputMultiBuffer.nextWrite = 0;
- pahsc->pahsc_InputMultiBuffer.nextRead = 0;
- return PaMac_RecordNext( past );
-}
-
-/***********************************************************************
-** Called by Pa_StopStream().
-** May be called during error recovery or cleanup code
-** so protect against NULL pointers.
-*/
-PaError PaHost_StopInput( internalPortAudioStream *past, int abort )
-{
- int32 timeOutMsec;
- PaError result = paNoError;
- OSErr err = 0;
- long mRefNum;
- PaHostSoundControl *pahsc = (PaHostSoundControl *) past->past_DeviceData;
- if( pahsc == NULL ) return paNoError;
-
- (void) abort;
-
- mRefNum = pahsc->pahsc_InputRefNum;
-
- DBUG(("PaHost_StopInput: mRefNum = %d\n", mRefNum ));
- if( mRefNum )
- {
- DBUG(("PaHost_StopInput: pahsc_IsRecording = %d\n", pahsc->pahsc_IsRecording ));
- if( pahsc->pahsc_IsRecording )
- {
- /* PLB20010420 - Fix TIMEOUT in record mode. */
- pahsc->pahsc_StopRecording = 1; /* Request that we stop recording. */
- err = SPBStopRecording(mRefNum);
- DBUG(("PaHost_StopInput: then pahsc_IsRecording = %d\n", pahsc->pahsc_IsRecording ));
-
- /* Calculate timeOut longer than longest time it could take to play one buffer. */
- timeOutMsec = (int32) ((1500.0 * pahsc->pahsc_FramesPerHostBuffer) / past->past_SampleRate);
- /* Keep querying sound channel until it is no longer busy playing. */
- while( !err && pahsc->pahsc_IsRecording && (timeOutMsec > 0))
- {
- Pa_Sleep(20);
- timeOutMsec -= 20;
- }
- if( timeOutMsec <= 0 )
- {
- ERR_RPT(("PaHost_StopInput: timed out!\n"));
- return paTimedOut;
- }
- }
- }
- if( err )
- {
- sPaHostError = err;
- result = paHostError;
- }
-
- DBUG(("PaHost_StopInput: finished.\n", mRefNum ));
- return result;
-}
-
-/***********************************************************************/
-static void PaMac_InitSoundHeader( internalPortAudioStream *past, CmpSoundHeader *sndHeader )
-{
- sndHeader->numChannels = past->past_NumOutputChannels;
- sndHeader->sampleRate = DoubleToUnsignedFixed(past->past_SampleRate);
- sndHeader->loopStart = 0;
- sndHeader->loopEnd = 0;
- sndHeader->encode = cmpSH;
- sndHeader->baseFrequency = kMiddleC;
- sndHeader->markerChunk = nil;
- sndHeader->futureUse2 = nil;
- sndHeader->stateVars = nil;
- sndHeader->leftOverSamples = nil;
- sndHeader->compressionID = 0;
- sndHeader->packetSize = 0;
- sndHeader->snthID = 0;
- sndHeader->sampleSize = 8 * sizeof(int16); // FIXME - might be 24 or 32 bits some day;
- sndHeader->sampleArea[0] = 0;
- sndHeader->format = kSoundNotCompressed;
-}
-
-static void SetFramesDone( PaHostSoundControl *pahsc, PaTimestamp framesDone )
-{
- UnsignedWide now;
- Microseconds( &now );
- pahsc->pahsc_NumFramesDone = framesDone;
- pahsc->pahsc_WhenFramesDoneIncremented = UnsignedWideToUInt64( now );
-}
-
-/***********************************************************************/
-PaError PaHost_StartOutput( internalPortAudioStream *past )
-{
- SndCommand pauseCommand;
- SndCommand resumeCommand;
- int i;
- OSErr error;
- PaHostSoundControl *pahsc = (PaHostSoundControl *) past->past_DeviceData;
- if( pahsc == NULL ) return paInternalError;
- if( pahsc->pahsc_Channel == NULL ) return paInternalError;
-
- past->past_StopSoon = 0;
- past->past_IsActive = 1;
- pahsc->pahsc_NumOutsQueued = 0;
- pahsc->pahsc_NumOutsPlayed = 0;
-
- SetFramesDone( pahsc, 0.0 );
-
- /* Pause channel so it does not do back ground processing while we are still filling the queue. */
- pauseCommand.cmd = pauseCmd;
- pauseCommand.param1 = pauseCommand.param2 = 0;
- error = SndDoCommand (pahsc->pahsc_Channel, &pauseCommand, true);
- if (noErr != error) goto exit;
-
- /* Queue all of the buffers so we start off full. */
- for (i = 0; i<pahsc->pahsc_NumHostBuffers; i++)
- {
- PaMac_PlayNext( past, i );
- }
-
- /* Resume channel now that the queue is full. */
- resumeCommand.cmd = resumeCmd;
- resumeCommand.param1 = resumeCommand.param2 = 0;
- error = SndDoImmediate( pahsc->pahsc_Channel, &resumeCommand );
- if (noErr != error) goto exit;
-
- return paNoError;
-exit:
- past->past_IsActive = 0;
- sPaHostError = error;
- ERR_RPT(("Error in PaHost_StartOutput: SndDoCommand returned %d\n", error ));
- return paHostError;
-}
-
-/*******************************************************************/
-long PaHost_GetTotalBufferFrames( internalPortAudioStream *past )
-{
- PaHostSoundControl *pahsc = (PaHostSoundControl *) past->past_DeviceData;
- return (long) (pahsc->pahsc_NumHostBuffers * pahsc->pahsc_FramesPerHostBuffer);
-}
-
-/***********************************************************************
-** Called by Pa_StopStream().
-** May be called during error recovery or cleanup code
-** so protect against NULL pointers.
-*/
-PaError PaHost_StopOutput( internalPortAudioStream *past, int abort )
-{
- int32 timeOutMsec;
- PaHostSoundControl *pahsc = (PaHostSoundControl *) past->past_DeviceData;
- if( pahsc == NULL ) return paNoError;
- if( pahsc->pahsc_Channel == NULL ) return paNoError;
-
- DBUG(("PaHost_StopOutput()\n"));
- if( past->past_IsActive == 0 ) return paNoError;
-
- /* Set flags for callback function to see. */
- if( abort ) past->past_StopNow = 1;
- past->past_StopSoon = 1;
- /* Calculate timeOut longer than longest time it could take to play all buffers. */
- timeOutMsec = (int32) ((1500.0 * PaHost_GetTotalBufferFrames( past )) / past->past_SampleRate);
- /* Keep querying sound channel until it is no longer busy playing. */
- while( past->past_IsActive && (timeOutMsec > 0))
- {
- Pa_Sleep(20);
- timeOutMsec -= 20;
- }
- if( timeOutMsec <= 0 )
- {
- ERR_RPT(("PaHost_StopOutput: timed out!\n"));
- return paTimedOut;
- }
- else return paNoError;
-}
-
-/***********************************************************************/
-PaError PaHost_StartEngine( internalPortAudioStream *past )
-{
- (void) past; /* Prevent unused variable warnings. */
- return paNoError;
-}
-
-/***********************************************************************/
-PaError PaHost_StopEngine( internalPortAudioStream *past, int abort )
-{
- (void) past; /* Prevent unused variable warnings. */
- (void) abort; /* Prevent unused variable warnings. */
- return paNoError;
-}
-/***********************************************************************/
-PaError PaHost_StreamActive( internalPortAudioStream *past )
-{
- PaHostSoundControl *pahsc = (PaHostSoundControl *) past->past_DeviceData;
- return (PaError) ( past->past_IsActive + pahsc->pahsc_IsRecording );
-}
-int Mac_IsVirtualMemoryOn( void )
-{
- long attr;
- OSErr result = Gestalt( gestaltVMAttr, &attr );
- DBUG(("gestaltVMAttr : 0x%x\n", attr ));
- return ((attr >> gestaltVMHasPagingControl ) & 1);
-}
-
-/*******************************************************************
-* Determine number of host Buffers
-* and how many User Buffers we can put into each host buffer.
-*/
-static void PaHost_CalcNumHostBuffers( internalPortAudioStream *past )
-{
- PaHostSoundControl *pahsc = (PaHostSoundControl *) past->past_DeviceData;
- int32 minNumBuffers;
- int32 minFramesPerHostBuffer;
- int32 minTotalFrames;
- int32 userBuffersPerHostBuffer;
- int32 framesPerHostBuffer;
- int32 numHostBuffers;
-
- minFramesPerHostBuffer = pahsc->pahsc_MinFramesPerHostBuffer;
- minFramesPerHostBuffer = (minFramesPerHostBuffer + 7) & ~7;
- DBUG(("PaHost_CalcNumHostBuffers: minFramesPerHostBuffer = %d\n", minFramesPerHostBuffer ));
-
- /* Determine number of user buffers based on minimum latency. */
- /* PLB20020417 I used to call Pa_GetMinNumBuffers() which doesn't take into account the
- ** variable minFramesPerHostBuffer. Now I call PaMac_GetMinNumBuffers() which will
- ** gove lower latency when virtual memory is turned off. */
- /* minNumBuffers = Pa_GetMinNumBuffers( past->past_FramesPerUserBuffer, past->past_SampleRate ); WRONG */
- minNumBuffers = PaMac_GetMinNumBuffers( minFramesPerHostBuffer, past->past_FramesPerUserBuffer, past->past_SampleRate );
-
- past->past_NumUserBuffers = ( minNumBuffers > past->past_NumUserBuffers ) ? minNumBuffers : past->past_NumUserBuffers;
- DBUG(("PaHost_CalcNumHostBuffers: min past_NumUserBuffers = %d\n", past->past_NumUserBuffers ));
- minTotalFrames = past->past_NumUserBuffers * past->past_FramesPerUserBuffer;
-
- /* We cannot make the buffers too small because they may not get serviced quickly enough. */
- if( (int32) past->past_FramesPerUserBuffer < minFramesPerHostBuffer )
- {
- userBuffersPerHostBuffer =
- (minFramesPerHostBuffer + past->past_FramesPerUserBuffer - 1) /
- past->past_FramesPerUserBuffer;
- }
- else
- {
- userBuffersPerHostBuffer = 1;
- }
- framesPerHostBuffer = past->past_FramesPerUserBuffer * userBuffersPerHostBuffer;
-
- /* Calculate number of host buffers needed. Round up to cover minTotalFrames. */
- numHostBuffers = (minTotalFrames + framesPerHostBuffer - 1) / framesPerHostBuffer;
- /* Make sure we have enough host buffers. */
- if( numHostBuffers < PA_MIN_NUM_HOST_BUFFERS)
- {
- numHostBuffers = PA_MIN_NUM_HOST_BUFFERS;
- }
- else
- {
- /* If we have too many host buffers, try to put more user buffers in a host buffer. */
- while(numHostBuffers > PA_MAX_NUM_HOST_BUFFERS)
- {
- userBuffersPerHostBuffer += 1;
- framesPerHostBuffer = past->past_FramesPerUserBuffer * userBuffersPerHostBuffer;
- numHostBuffers = (minTotalFrames + framesPerHostBuffer - 1) / framesPerHostBuffer;
- }
- }
-
- pahsc->pahsc_UserBuffersPerHostBuffer = userBuffersPerHostBuffer;
- pahsc->pahsc_FramesPerHostBuffer = framesPerHostBuffer;
- pahsc->pahsc_NumHostBuffers = numHostBuffers;
- DBUG(("PaHost_CalcNumHostBuffers: pahsc_UserBuffersPerHostBuffer = %d\n", pahsc->pahsc_UserBuffersPerHostBuffer ));
- DBUG(("PaHost_CalcNumHostBuffers: pahsc_NumHostBuffers = %d\n", pahsc->pahsc_NumHostBuffers ));
- DBUG(("PaHost_CalcNumHostBuffers: pahsc_FramesPerHostBuffer = %d\n", pahsc->pahsc_FramesPerHostBuffer ));
- DBUG(("PaHost_CalcNumHostBuffers: past_NumUserBuffers = %d\n", past->past_NumUserBuffers ));
-}
-
-/*******************************************************************/
-PaError PaHost_OpenStream( internalPortAudioStream *past )
-{
- OSErr err;
- PaError result = paHostError;
- PaHostSoundControl *pahsc;
- int i;
- /* Allocate and initialize host data. */
- pahsc = (PaHostSoundControl *) PaHost_AllocateFastMemory(sizeof(PaHostSoundControl));
- if( pahsc == NULL )
- {
- return paInsufficientMemory;
- }
- past->past_DeviceData = (void *) pahsc;
-
- /* If recording, and virtual memory is turned on, then use bigger buffers to prevent glitches. */
- if( (past->past_NumInputChannels > 0) && Mac_IsVirtualMemoryOn() )
- {
- pahsc->pahsc_MinFramesPerHostBuffer = MAC_VIRTUAL_FRAMES_PER_BUFFER;
- }
- else
- {
- pahsc->pahsc_MinFramesPerHostBuffer = MAC_PHYSICAL_FRAMES_PER_BUFFER;
- }
-
- PaHost_CalcNumHostBuffers( past );
-
- /* Setup constants for CPU load measurement. */
- pahsc->pahsc_InverseMicrosPerHostBuffer = past->past_SampleRate / (1000000.0 * pahsc->pahsc_FramesPerHostBuffer);
-
- /* ------------------ OUTPUT */
- if( past->past_NumOutputChannels > 0 )
- {
- /* Create sound channel to which we can send commands. */
- pahsc->pahsc_Channel = 0L;
- err = SndNewChannel(&pahsc->pahsc_Channel, sampledSynth, 0, nil); /* FIXME - use kUseOptionalOutputDevice if not default. */
- if(err != 0)
- {
- ERR_RPT(("Error in PaHost_OpenStream: SndNewChannel returned 0x%x\n", err ));
- goto error;
- }
-
- /* Install our callback function pointer straight into the sound channel structure */
- /* Use new CARBON name for callback procedure. */
-#if TARGET_API_MAC_CARBON
- pahsc->pahsc_OutputCompletionProc = NewSndCallBackUPP(PaMac_OutputCompletionProc);
-#else
- pahsc->pahsc_OutputCompletionProc = NewSndCallBackProc(PaMac_OutputCompletionProc);
-#endif
-
- pahsc->pahsc_Channel->callBack = pahsc->pahsc_OutputCompletionProc;
-
- pahsc->pahsc_BytesPerOutputHostBuffer = pahsc->pahsc_FramesPerHostBuffer * past->past_NumOutputChannels * sizeof(int16);
- for (i = 0; i<pahsc->pahsc_NumHostBuffers; i++)
- {
- char *buf = (char *)PaHost_AllocateFastMemory(pahsc->pahsc_BytesPerOutputHostBuffer);
- if (buf == NULL)
- {
- ERR_RPT(("Error in PaHost_OpenStream: could not allocate output buffer. Size = \n", pahsc->pahsc_BytesPerOutputHostBuffer ));
- goto memerror;
- }
-
- PaMac_InitSoundHeader( past, &pahsc->pahsc_SoundHeaders[i] );
- pahsc->pahsc_SoundHeaders[i].samplePtr = buf;
- pahsc->pahsc_SoundHeaders[i].numFrames = (unsigned long) pahsc->pahsc_FramesPerHostBuffer;
-
- }
- }
-#ifdef SUPPORT_AUDIO_CAPTURE
- /* ------------------ INPUT */
- /* Use double buffer scheme that matches output. */
- if( past->past_NumInputChannels > 0 )
- {
- int16 tempS;
- long tempL;
- Fixed tempF;
- long mRefNum;
- unsigned char noname = 0; /* FIXME - use real device names. */
-#if TARGET_API_MAC_CARBON
- pahsc->pahsc_InputCompletionProc = NewSICompletionUPP((SICompletionProcPtr)PaMac_InputCompletionProc);
-#else
- pahsc->pahsc_InputCompletionProc = NewSICompletionProc((ProcPtr)PaMac_InputCompletionProc);
-#endif
- pahsc->pahsc_BytesPerInputHostBuffer = pahsc->pahsc_FramesPerHostBuffer * past->past_NumInputChannels * sizeof(int16);
- for (i = 0; i<pahsc->pahsc_NumHostBuffers; i++)
- {
- char *buf = (char *) PaHost_AllocateFastMemory(pahsc->pahsc_BytesPerInputHostBuffer);
- if ( buf == NULL )
- {
- ERR_RPT(("PaHost_OpenStream: could not allocate input buffer. Size = \n", pahsc->pahsc_BytesPerInputHostBuffer ));
- goto memerror;
- }
- pahsc->pahsc_InputMultiBuffer.buffers[i] = buf;
- }
- pahsc->pahsc_InputMultiBuffer.numBuffers = pahsc->pahsc_NumHostBuffers;
-
- err = SPBOpenDevice( (const unsigned char *) &noname, siWritePermission, &mRefNum); /* FIXME - use name so we get selected device */
- // FIXME err = SPBOpenDevice( (const unsigned char *) sDevices[past->past_InputDeviceID].pad_Info.name, siWritePermission, &mRefNum);
- if (err) goto error;
- pahsc->pahsc_InputRefNum = mRefNum;
- DBUG(("PaHost_OpenStream: mRefNum = %d\n", mRefNum ));
-
- /* Set input device characteristics. */
- tempS = 1;
- err = SPBSetDeviceInfo(mRefNum, siContinuous, (Ptr) &tempS);
- if (err)
- {
- ERR_RPT(("Error in PaHost_OpenStream: SPBSetDeviceInfo siContinuous returned %d\n", err ));
- goto error;
- }
-
- tempL = 0x03;
- err = SPBSetDeviceInfo(mRefNum, siActiveChannels, (Ptr) &tempL);
- if (err)
- {
- DBUG(("PaHost_OpenStream: setting siActiveChannels returned 0x%x. Error ignored.\n", err ));
- }
-
- /* PLB20010908 - Use requested number of input channels. Thanks Dominic Mazzoni. */
- tempS = past->past_NumInputChannels;
- err = SPBSetDeviceInfo(mRefNum, siNumberChannels, (Ptr) &tempS);
- if (err)
- {
- ERR_RPT(("Error in PaHost_OpenStream: SPBSetDeviceInfo siNumberChannels returned %d\n", err ));
- goto error;
- }
-
- tempF = ((unsigned long)past->past_SampleRate) << 16;
- err = SPBSetDeviceInfo(mRefNum, siSampleRate, (Ptr) &tempF);
- if (err)
- {
- ERR_RPT(("Error in PaHost_OpenStream: SPBSetDeviceInfo siSampleRate returned %d\n", err ));
- goto error;
- }
-
- /* Setup record-parameter block */
- pahsc->pahsc_InputParams.inRefNum = mRefNum;
- pahsc->pahsc_InputParams.milliseconds = 0; // not used
- pahsc->pahsc_InputParams.completionRoutine = pahsc->pahsc_InputCompletionProc;
- pahsc->pahsc_InputParams.interruptRoutine = 0;
- pahsc->pahsc_InputParams.userLong = (long) past;
- pahsc->pahsc_InputParams.unused1 = 0;
- }
-#endif /* SUPPORT_AUDIO_CAPTURE */
- DBUG(("PaHost_OpenStream: complete.\n"));
- return paNoError;
-
-error:
- PaHost_CloseStream( past );
- ERR_RPT(("PaHost_OpenStream: sPaHostError = 0x%x.\n", err ));
- sPaHostError = err;
- return paHostError;
-
-memerror:
- PaHost_CloseStream( past );
- return paInsufficientMemory;
-}
-
-/***********************************************************************
-** Called by Pa_CloseStream().
-** May be called during error recovery or cleanup code
-** so protect against NULL pointers.
-*/
-PaError PaHost_CloseStream( internalPortAudioStream *past )
-{
- PaError result = paNoError;
- OSErr err = 0;
- int i;
- PaHostSoundControl *pahsc;
-
- DBUG(("PaHost_CloseStream( 0x%x )\n", past ));
-
- if( past == NULL ) return paBadStreamPtr;
-
- pahsc = (PaHostSoundControl *) past->past_DeviceData;
- if( pahsc == NULL ) return paNoError;
-
- if( past->past_NumOutputChannels > 0 )
- {
- /* TRUE means flush now instead of waiting for quietCmd to be processed. */
- if( pahsc->pahsc_Channel != NULL ) SndDisposeChannel(pahsc->pahsc_Channel, TRUE);
- {
- for (i = 0; i<pahsc->pahsc_NumHostBuffers; i++)
- {
- Ptr p = (Ptr) pahsc->pahsc_SoundHeaders[i].samplePtr;
- if( p != NULL ) PaHost_FreeFastMemory( p, pahsc->pahsc_BytesPerOutputHostBuffer );
- }
- }
- }
-
- if( past->past_NumInputChannels > 0 )
- {
- if( pahsc->pahsc_InputRefNum )
- {
- err = SPBCloseDevice(pahsc->pahsc_InputRefNum);
- pahsc->pahsc_InputRefNum = 0;
- if( err )
- {
- sPaHostError = err;
- result = paHostError;
- }
- }
- {
- for (i = 0; i<pahsc->pahsc_InputMultiBuffer.numBuffers; i++)
- {
- Ptr p = (Ptr) pahsc->pahsc_InputMultiBuffer.buffers[i];
- if( p != NULL ) PaHost_FreeFastMemory( p, pahsc->pahsc_BytesPerInputHostBuffer );
- }
- }
- }
-
- past->past_DeviceData = NULL;
- PaHost_FreeFastMemory( pahsc, sizeof(PaHostSoundControl) );
-
- DBUG(("PaHost_CloseStream: complete.\n", past ));
- return result;
-}
-/*************************************************************************/
-int Pa_GetMinNumBuffers( int framesPerUserBuffer, double sampleRate )
-{
-/* We use the MAC_VIRTUAL_FRAMES_PER_BUFFER because we might be recording.
-** This routine doesn't have enough information to determine the best value
-** and is being depracated. */
- return PaMac_GetMinNumBuffers( MAC_VIRTUAL_FRAMES_PER_BUFFER, framesPerUserBuffer, sampleRate );
-}
-/*************************************************************************/
-static int PaMac_GetMinNumBuffers( int minFramesPerHostBuffer, int framesPerUserBuffer, double sampleRate )
-{
- int minUserPerHost = ( minFramesPerHostBuffer + framesPerUserBuffer - 1) / framesPerUserBuffer;
- int numBufs = PA_MIN_NUM_HOST_BUFFERS * minUserPerHost;
- if( numBufs < PA_MIN_NUM_HOST_BUFFERS ) numBufs = PA_MIN_NUM_HOST_BUFFERS;
- (void) sampleRate;
- return numBufs;
-}
-
-/*************************************************************************/
-void Pa_Sleep( int32 msec )
-{
- EventRecord event;
- int32 sleepTime, endTime;
- /* Convert to ticks. Round up so we sleep a MINIMUM of msec time. */
- sleepTime = ((msec * 60) + 999) / 1000;
- if( sleepTime < 1 ) sleepTime = 1;
- endTime = TickCount() + sleepTime;
- do
- {
- DBUGX(("Sleep for %d ticks.\n", sleepTime ));
- /* Use WaitNextEvent() to sleep without getting events. */
- /* PLB20010907 - Pass unused event to WaitNextEvent instead of NULL to prevent
- * Mac OSX crash. Thanks Dominic Mazzoni. */
- WaitNextEvent( 0, &event, sleepTime, NULL );
- sleepTime = endTime - TickCount();
- }
- while( sleepTime > 0 );
-}
-/*************************************************************************/
-int32 Pa_GetHostError( void )
-{
- int32 err = sPaHostError;
- sPaHostError = 0;
- return err;
-}
-
-/*************************************************************************
- * Allocate memory that can be accessed in real-time.
- * This may need to be held in physical memory so that it is not
- * paged to virtual memory.
- * This call MUST be balanced with a call to PaHost_FreeFastMemory().
- */
-void *PaHost_AllocateFastMemory( long numBytes )
-{
- void *addr = NewPtrClear( numBytes );
- if( (addr == NULL) || (MemError () != 0) ) return NULL;
-
-#if (TARGET_API_MAC_CARBON == 0)
- if( HoldMemory( addr, numBytes ) != noErr )
- {
- DisposePtr( (Ptr) addr );
- return NULL;
- }
-#endif
- return addr;
-}
-
-/*************************************************************************
- * Free memory that could be accessed in real-time.
- * This call MUST be balanced with a call to PaHost_AllocateFastMemory().
- */
-void PaHost_FreeFastMemory( void *addr, long numBytes )
-{
- if( addr == NULL ) return;
-#if TARGET_API_MAC_CARBON
- (void) numBytes;
-#else
- UnholdMemory( addr, numBytes );
-#endif
- DisposePtr( (Ptr) addr );
-}
-
-/*************************************************************************/
-PaTimestamp Pa_StreamTime( PortAudioStream *stream )
-{
- PaTimestamp framesDone1;
- PaTimestamp framesDone2;
- UInt64 whenIncremented;
- UnsignedWide now;
- UInt64 now64;
- long microsElapsed;
- long framesElapsed;
-
- PaHostSoundControl *pahsc;
- internalPortAudioStream *past = (internalPortAudioStream *) stream;
- if( past == NULL ) return paBadStreamPtr;
- pahsc = (PaHostSoundControl *) past->past_DeviceData;
-
-/* Capture information from audio thread.
- * We have to be careful that we don't get interrupted in the middle.
- * So we grab the pahsc_NumFramesDone twice and make sure it didn't change.
- */
- do
- {
- framesDone1 = pahsc->pahsc_NumFramesDone;
- whenIncremented = pahsc->pahsc_WhenFramesDoneIncremented;
- framesDone2 = pahsc->pahsc_NumFramesDone;
- } while( framesDone1 != framesDone2 );
-
- /* Calculate how many microseconds have elapsed and convert to frames. */
- Microseconds( &now );
- now64 = UnsignedWideToUInt64( now );
- microsElapsed = U64Subtract( now64, whenIncremented );
- framesElapsed = microsElapsed * past->past_SampleRate * 0.000001;
-
- return framesDone1 + framesElapsed;
-}
-
-/**************************************************************************
-** Callback for Input, SPBRecord()
-*/
-int gRecordCounter = 0;
-int gPlayCounter = 0;
-pascal void PaMac_InputCompletionProc(SPBPtr recParams)
-{
- PaError result = paNoError;
- int finished = 1;
- internalPortAudioStream *past;
- PaHostSoundControl *pahsc;
-
- gRecordCounter += 1; /* debug hack to see if engine running */
-
- /* Get our PA data from Mac structure. */
- past = (internalPortAudioStream *) recParams->userLong;
- if( past == NULL ) return;
-
- if( past->past_Magic != PA_MAGIC )
- {
- AddTraceMessage("PaMac_InputCompletionProc: bad MAGIC, past", (long) past );
- AddTraceMessage("PaMac_InputCompletionProc: bad MAGIC, magic", (long) past->past_Magic );
- goto error;
- }
- pahsc = (PaHostSoundControl *) past->past_DeviceData;
- past->past_NumCallbacks += 1;
-
- /* Have we been asked to stop recording? */
- if( (recParams->error == abortErr) || pahsc->pahsc_StopRecording ) goto error;
-
- /* If there are no output channels, then we need to call the user callback function from here.
- * Otherwise we will call the user code during the output completion routine.
- */
- if(past->past_NumOutputChannels == 0)
- {
- SetFramesDone( pahsc,
- pahsc->pahsc_NumFramesDone + pahsc->pahsc_FramesPerHostBuffer );
- result = PaMac_CallUserLoop( past, NULL );
- }
-
- /* Did user code ask us to stop? If not, issue another recording request. */
- if( (result == paNoError) && (pahsc->pahsc_StopRecording == 0) )
- {
- result = PaMac_RecordNext( past );
- if( result != paNoError ) pahsc->pahsc_IsRecording = 0;
- }
- else goto error;
-
- return;
-
-error:
- pahsc->pahsc_IsRecording = 0;
- pahsc->pahsc_StopRecording = 0;
- return;
-}
-
-/***********************************************************************
-** Called by either input or output completion proc.
-** Grabs input data if any present, and calls PA conversion code,
-** that in turn calls user code.
-*/
-static PaError PaMac_CallUserLoop( internalPortAudioStream *past, int16 *outPtr )
-{
- PaError result = paNoError;
- PaHostSoundControl *pahsc = (PaHostSoundControl *) past->past_DeviceData;
- int16 *inPtr = NULL;
- int i;
-
-
- /* Advance read index for sound input FIFO here, independantly of record/write process. */
- if(past->past_NumInputChannels > 0)
- {
- if( MultiBuffer_IsReadable( &pahsc->pahsc_InputMultiBuffer ) )
- {
- inPtr = (int16 *) MultiBuffer_GetNextReadBuffer( &pahsc->pahsc_InputMultiBuffer );
- MultiBuffer_AdvanceReadIndex( &pahsc->pahsc_InputMultiBuffer );
- }
- }
-
- /* Call user code enough times to fill buffer. */
- if( (inPtr != NULL) || (outPtr != NULL) )
- {
- PaMac_StartLoadCalculation( past ); /* CPU usage */
-
-#ifdef PA_MAX_USAGE_ALLOWED
- /* If CPU usage exceeds limit, skip user callback to prevent hanging CPU. */
- if( past->past_Usage > PA_MAX_USAGE_ALLOWED )
- {
- past->past_FrameCount += (PaTimestamp) pahsc->pahsc_FramesPerHostBuffer;
- }
- else
-#endif
- {
-
- for( i=0; i<pahsc->pahsc_UserBuffersPerHostBuffer; i++ )
- {
- result = (PaError) Pa_CallConvertInt16( past, inPtr, outPtr );
- if( result != 0)
- {
- /* Recording might be in another process, so tell it to stop with a flag. */
- pahsc->pahsc_StopRecording = pahsc->pahsc_IsRecording;
- break;
- }
- /* Advance sample pointers. */
- if(inPtr != NULL) inPtr += past->past_FramesPerUserBuffer * past->past_NumInputChannels;
- if(outPtr != NULL) outPtr += past->past_FramesPerUserBuffer * past->past_NumOutputChannels;
- }
- }
-
- PaMac_EndLoadCalculation( past );
- }
- return result;
-}
-
-/***********************************************************************
-** Setup next recording buffer in FIFO and issue recording request to Snd Input Manager.
-*/
-static PaError PaMac_RecordNext( internalPortAudioStream *past )
-{
- PaError result = paNoError;
- OSErr err;
- PaHostSoundControl *pahsc = (PaHostSoundControl *) past->past_DeviceData;
- /* Get pointer to next buffer to record into. */
- pahsc->pahsc_InputParams.bufferPtr = MultiBuffer_GetNextWriteBuffer( &pahsc->pahsc_InputMultiBuffer );
-
- /* Advance write index if there is room. Otherwise keep writing same buffer. */
- if( MultiBuffer_IsWriteable( &pahsc->pahsc_InputMultiBuffer ) )
- {
- MultiBuffer_AdvanceWriteIndex( &pahsc->pahsc_InputMultiBuffer );
- }
-
- AddTraceMessage("PaMac_RecordNext: bufferPtr", (long) pahsc->pahsc_InputParams.bufferPtr );
- AddTraceMessage("PaMac_RecordNext: nextWrite", pahsc->pahsc_InputMultiBuffer.nextWrite );
-
- /* Setup parameters and issue an asynchronous recording request. */
- pahsc->pahsc_InputParams.bufferLength = pahsc->pahsc_BytesPerInputHostBuffer;
- pahsc->pahsc_InputParams.count = pahsc->pahsc_BytesPerInputHostBuffer;
- err = SPBRecord(&pahsc->pahsc_InputParams, true);
- if( err )
- {
- AddTraceMessage("PaMac_RecordNext: SPBRecord error ", err );
- sPaHostError = err;
- result = paHostError;
- }
- else
- {
- pahsc->pahsc_IsRecording = 1;
- }
- return result;
-}
-
-/**************************************************************************
-** Callback for Output Playback()
-** Return negative error, 0 to continue, 1 to stop.
-*/
-long PaMac_FillNextOutputBuffer( internalPortAudioStream *past, int index )
-{
- PaHostSoundControl *pahsc;
- long result = 0;
- int finished = 1;
- char *outPtr;
-
- gPlayCounter += 1; /* debug hack */
-
- past->past_NumCallbacks += 1;
- pahsc = (PaHostSoundControl *) past->past_DeviceData;
- if( pahsc == NULL ) return -1;
- /* Are we nested?! */
- if( pahsc->pahsc_IfInsideCallback ) return 0;
- pahsc->pahsc_IfInsideCallback = 1;
- /* Get pointer to buffer to fill. */
- outPtr = pahsc->pahsc_SoundHeaders[index].samplePtr;
- /* Combine with any sound input, and call user callback. */
- result = PaMac_CallUserLoop( past, (int16 *) outPtr );
-
- pahsc->pahsc_IfInsideCallback = 0;
- return result;
-}
-
-/*************************************************************************************
-** Called by SoundManager when ready for another buffer.
-*/
-static pascal void PaMac_OutputCompletionProc (SndChannelPtr theChannel, SndCommand * theCallBackCmd)
-{
- internalPortAudioStream *past;
- PaHostSoundControl *pahsc;
- (void) theChannel;
- (void) theCallBackCmd;
-
- /* Get our data from Mac structure. */
- past = (internalPortAudioStream *) theCallBackCmd->param2;
- if( past == NULL ) return;
-
- pahsc = (PaHostSoundControl *) past->past_DeviceData;
- pahsc->pahsc_NumOutsPlayed += 1;
-
- SetFramesDone( pahsc,
- pahsc->pahsc_NumFramesDone + pahsc->pahsc_FramesPerHostBuffer );
-
- PaMac_BackgroundManager( past, theCallBackCmd->param1 );
-}
-
-/*******************************************************************/
-static PaError PaMac_BackgroundManager( internalPortAudioStream *past, int index )
-{
- PaError result = paNoError;
- PaHostSoundControl *pahsc = (PaHostSoundControl *) past->past_DeviceData;
- /* Has someone asked us to abort by calling Pa_AbortStream()? */
- if( past->past_StopNow )
- {
- SndCommand command;
- /* Clear the queue of any pending commands. */
- command.cmd = flushCmd;
- command.param1 = command.param2 = 0;
- SndDoImmediate( pahsc->pahsc_Channel, &command );
- /* Then stop currently playing buffer, if any. */
- command.cmd = quietCmd;
- SndDoImmediate( pahsc->pahsc_Channel, &command );
- past->past_IsActive = 0;
- }
- /* Has someone asked us to stop by calling Pa_StopStream()
- * OR has a user callback returned '1' to indicate finished.
- */
- else if( past->past_StopSoon )
- {
- if( (pahsc->pahsc_NumOutsQueued - pahsc->pahsc_NumOutsPlayed) <= 0 )
- {
- past->past_IsActive = 0; /* We're finally done. */
- }
- }
- else
- {
- PaMac_PlayNext( past, index );
- }
- return result;
-}
-
-/*************************************************************************************
-** Fill next buffer with sound and queue it for playback.
-*/
-static void PaMac_PlayNext ( internalPortAudioStream *past, int index )
-{
- OSErr error;
- long result;
- SndCommand playCmd;
- SndCommand callbackCmd;
- PaHostSoundControl *pahsc = (PaHostSoundControl *) past->past_DeviceData;
-
- /* If this was the last buffer, or abort requested, then just be done. */
- if ( past->past_StopSoon ) goto done;
-
- /* Load buffer with sound. */
- result = PaMac_FillNextOutputBuffer ( past, index );
- if( result > 0 ) past->past_StopSoon = 1; /* Stop generating audio but wait until buffers play. */
- else if( result < 0 ) goto done;
-
- /* Play the next buffer. */
- playCmd.cmd = bufferCmd;
- playCmd.param1 = 0;
- playCmd.param2 = (long) &pahsc->pahsc_SoundHeaders[ index ];
- error = SndDoCommand (pahsc->pahsc_Channel, &playCmd, true );
- if( error != noErr ) goto gotError;
-
- /* Ask for a callback when it is done. */
- callbackCmd.cmd = callBackCmd;
- callbackCmd.param1 = index;
- callbackCmd.param2 = (long)past;
- error = SndDoCommand (pahsc->pahsc_Channel, &callbackCmd, true );
- if( error != noErr ) goto gotError;
- pahsc->pahsc_NumOutsQueued += 1;
-
- return;
-
-gotError:
- sPaHostError = error;
-done:
- return;
-}
diff --git a/src/audio/portaudio/pa_sgi/pa_sgi.c b/src/audio/portaudio/pa_sgi/pa_sgi.c
deleted file mode 100644
index 8b742d1ccd..0000000000
--- a/src/audio/portaudio/pa_sgi/pa_sgi.c
+++ /dev/null
@@ -1,1417 +0,0 @@
-/*
- * $Id$
- * PortAudio Portable Real-Time Audio Library.
- * Latest Version at: http://www.portaudio.com.
- * Silicon Graphics (SGI) IRIX implementation by Pieter Suurmond.
- *
- * Based on the Open Source API proposed by Ross Bencina
- * Copyright (c) 1999-2002 Ross Bencina, Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-/** @file
- @brief SGI IRIX AL implementation (according to V19 API version 2.0).
-
- @note This file started as a copy of pa_skeleton.c (v 1.1.2.35 2003/09/20), it
- has nothing to do with the old V18 pa_sgi version: this implementation uses the
- newer IRIX AL calls and uses pthreads instead of sproc.
-
- On IRIX, one may type './configure' followed by 'gmake' from the portaudio root
- directory to build the static and shared libraries, as well as all the tests.
-
- On IRIX 6.5, using 'make' instead of 'gmake' may cause Makefile to fail. (This
- happens on my machine: make does not understand syntax with 2 colons on a line,
- like this:
- $(TESTS): bin/%: [snip]
-
- Maybe this is due to an old make version(?), my only solution is: use gmake.
- Anyway, all the tests compile well now, with GCC 3.3, as well as with MIPSpro 7.2.1.
- Tested:
- - paqa_devs ok, but at a certain point digital i/o fails:
- TestAdvance: INPUT, device = 2, rate = 32000, numChannels = 1, format = 1
- Possibly, this is an illegal sr or number of channels for digital i/o.
- - paqa_errs 13 of the tests run ok, but 5 of them give weird results.
- + patest1 ok.
- + patest_buffer ok.
- + patest_callbackstop ok.
- - patest_clip ok, but hear no difference between dithering turned OFF and ON.
- + patest_hang ok.
- + patest_latency ok.
- + patest_leftright ok.
- + patest_maxsines ok.
- + patest_many ok.
- + patest_multi_sine ok.
- + patest_pink ok.
- + patest_prime ok.
- - patest_read_record ok, but playback stops a little earlier than 5 seconds it seems(?).
- + patest_record ok.
- + patest_ringmix ok.
- + patest_saw ok.
- + patest_sine ok.
- + patest_sine8 ok.
- - patest_sine_formats ok, FLOAT32 + INT16 + INT18 are OK, but UINT8 IS NOT OK!
- + patest_sine_time ok.
- + patest_start_stop ok, but under/overflow errors of course in the AL queue monitor.
- + patest_stop ok.
- - patest_sync ok?
- + patest_toomanysines ok.
- - patest_underflow ok? (stopping after SleepTime = 91: err=Stream is stopped)
- - patest_wire ok.
- + patest_write_sine ok.
- + pa_devs ok.
- Ok on an Indy, in both stereo and quadrophonic mode.
- + pa_fuzz ok.
- + pa_minlat ok.
-
- Worked on (or checked) proposals:
-
- 003: Improve Latency Specification OK, but not 100% sure: plus or minus 1 host buffer?
- 004 OK: Allow Callbacks to Accept Variable Number of Frames per Buffer.
- Simply using a fixed host buffer size. Very roughly implemented now, the adaption
- to limited-requested latencies and samplerate may be improved. At least this
- implementation chooses its own internal host buffer size (no coredumps any longer).
- 005 OK: Blocking Read/Write Interface.
- 006: Non-interleaved buffers seems OK? Covered by the buffer-processor and such?....
- 009 OK: Host error reporting should now be.
- 010 OK: State Machine and State Querying Functions.
- 011 OK: Renaming done.
- 014 Implementation Style Guidelines (sorry, my braces are not ANSI style).
- 015 OK: Callback Timestamps (During priming, though, these are still null!).
- 016 OK: Use Structs for Pa_OpenStream() Parameters.
- 019: Notify Client When All Buffers Have Played (Ok, covered by the buffer processor?)
- 020 OK: Allow Callback to prime output stream (StartStream() should do the priming)
- Should be tested more thoroughly for full duplex streams. (patest_prime seems ok).
-
-
- @todo Underrun or overflow flags at some more places.
-
- @todo Callback Timestamps during priming.
-
- @todo Improve adaption to number of channels, samplerate and such when inventing
- some frames per host buffer (when client requests 0).
-
- @todo Make a complete new version to support 'sproc'-applications.
- Or could we manage that with some clever if-defs?
- It must be clear which version we use (especially when using pa as lib!):
- an irix-sproc() version or pthread version.
-
- @todo In Makefile.in: 'make clean' does not remove lib/libportaudio.so.0.0.19.
-
- Note: Even when mono-output is requested, with ALv7, the audio library opens
- a outputs stereo. One can observe this in SGI's 'Audio Queue Monitor'.
-*/
-
-#include <string.h> /* For strlen() but also for strerror()! */
-#include <stdio.h> /* printf() */
-#include <math.h> /* fabs() */
-
-#include <dmedia/audio.h> /* IRIX AL (audio library). Link with -laudio. */
-#include <dmedia/dmedia.h> /* IRIX DL (digital media library), solely for */
- /* function dmGetUST(). Link with -ldmedia. */
-#include <errno.h> /* To catch 'oserror' after AL-calls. */
-#include <pthread.h> /* POSIX threads. */
-#include <unistd.h>
-
-#include "pa_util.h"
-#include "pa_allocation.h"
-#include "pa_hostapi.h"
-#include "pa_stream.h"
-#include "pa_cpuload.h"
-#include "pa_process.h"
-
- /* Uncomment for diagnostics: */
-#define DBUG(x) /*{ printf x; fflush(stdout); }*/
-
-
-/* prototypes for functions declared in this file */
-
-#ifdef __cplusplus
-extern "C"
-{
-#endif /* __cplusplus */
-
-PaError PaSGI_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiIndex index );
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
-
-
-static void Terminate( struct PaUtilHostApiRepresentation *hostApi );
-static PaError IsFormatSupported( struct PaUtilHostApiRepresentation *hostApi,
- const PaStreamParameters *inputParameters,
- const PaStreamParameters *outputParameters,
- double sampleRate );
-static PaError OpenStream( struct PaUtilHostApiRepresentation *hostApi,
- PaStream** s,
- const PaStreamParameters *ipp,
- const PaStreamParameters *opp,
- double sampleRate,
- unsigned long framesPerBuffer,
- PaStreamFlags streamFlags,
- PaStreamCallback *streamCallback,
- void *userData );
-static PaError CloseStream( PaStream* stream );
-static PaError StartStream( PaStream *stream );
-static PaError StopStream( PaStream *stream );
-static PaError AbortStream( PaStream *stream );
-static PaError IsStreamStopped( PaStream *s );
-static PaError IsStreamActive( PaStream *stream );
-static PaTime GetStreamTime( PaStream *stream );
-static double GetStreamCpuLoad( PaStream* stream );
-static PaError ReadStream( PaStream* stream, void *buffer, unsigned long frames );
-static PaError WriteStream( PaStream* stream, const void *buffer, unsigned long frames );
-static signed long GetStreamReadAvailable( PaStream* stream );
-static signed long GetStreamWriteAvailable( PaStream* stream );
-
-
-/*
- Apparently, we must use macros for reporting unanticipated host errors.
- Only in case we return paUnanticipatedHostError from an Portaudio call,
- we have to call one of the following three macro's.
- (Constant paAL is defined in pa_common/portaudio.h. See also proposal 009.)
-
- After an AL error, use this to translate the AL error code to human text:
-*/
-#define PA_SGI_SET_LAST_AL_ERROR() \
- {\
- int ee = oserror();\
- PaUtil_SetLastHostErrorInfo(paAL, ee, alGetErrorString(ee));\
- }
-/*
- But after a generic IRIX error, let strerror() translate the error code from
- the operating system and use this (strerror() gives the same as perror()):
-*/
-#define PA_SGI_SET_LAST_IRIX_ERROR() \
- {\
- int ee = oserror();\
- PaUtil_SetLastHostErrorInfo(paAL, ee, strerror(ee));\
- }
-
-/* GOT RID OF calling PaUtil_SetLastHostErrorInfo() with 0 as error number.
-- Weird samplerate difference became: paInvalidSampleRate.
-- Failing to set AL queue size became: paInternalError
- (Because I cannot decide between paBufferTooBig and paBufferTooSmall
- because it may even the 'default AL queue size that failed... Or
- should we introduce another error-code like 'paInvalidQueueSize'?... NO)
-*/
-
-/* PaSGIHostApiRepresentation - host api datastructure specific to this implementation */
-
-typedef struct
-{
- PaUtilHostApiRepresentation inheritedHostApiRep;
- PaUtilStreamInterface callbackStreamInterface;
- PaUtilStreamInterface blockingStreamInterface;
- PaUtilAllocationGroup* allocations;
- /* implementation specific data goes here. */
- ALvalue* sgiDeviceIDs; /* Array of AL resource device numbers. */
- /* PaHostApiIndex hostApiIndex; Hu? As in the linux and oss files? */
-}
-PaSGIHostApiRepresentation;
-
-/*
- Initialises sgiDeviceIDs array.
-*/
-PaError PaSGI_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiIndex hostApiIndex )
-{
- PaError result = paNoError;
- int e, i, deviceCount, def_in, def_out;
- PaSGIHostApiRepresentation* SGIHostApi;
- PaDeviceInfo* deviceInfoArray;
- static const short numParams = 4; /* Array with name, samplerate, channels */
- ALpv y[numParams]; /* and type. */
- static const short maxDevNameChars = 32; /* Including the terminating null char. */
- char devName[maxDevNameChars]; /* Too lazy for dynamic alloc. */
-
- /* DBUG(("PaSGI_Initialize() started.\n")); */
- SGIHostApi = (PaSGIHostApiRepresentation*)PaUtil_AllocateMemory(sizeof(PaSGIHostApiRepresentation));
- if( !SGIHostApi )
- { result = paInsufficientMemory; goto cleanup; }
- SGIHostApi->allocations = PaUtil_CreateAllocationGroup();
- if( !SGIHostApi->allocations )
- { result = paInsufficientMemory; goto cleanup; }
- *hostApi = &SGIHostApi->inheritedHostApiRep;
- (*hostApi)->info.structVersion = 1;
- (*hostApi)->info.type = paAL; /* IRIX AL type id, was paInDevelopment. */
- (*hostApi)->info.name = "SGI IRIX AL";
- (*hostApi)->info.defaultInputDevice = paNoDevice; /* Set later. */
- (*hostApi)->info.defaultOutputDevice = paNoDevice; /* Set later. */
- (*hostApi)->info.deviceCount = 0; /* We 'll increment in the loop below. */
-
- /* Determine the total number of input and output devices (thanks to Gary Scavone). */
- deviceCount = alQueryValues(AL_SYSTEM, AL_DEVICES, 0, 0, 0, 0);
- if (deviceCount < 0) /* Returns -1 in case of failure. */
- {
- DBUG(("Failed to count devices: alQueryValues()=%d; %s.\n",
- deviceCount, alGetErrorString(oserror())));
- result = paDeviceUnavailable; /* Is this an appropriate error return code? */
- goto cleanup;
- }
- if (deviceCount > 0)
- {
- (*hostApi)->deviceInfos = (PaDeviceInfo**)PaUtil_GroupAllocateMemory(
- SGIHostApi->allocations, sizeof(PaDeviceInfo*) * deviceCount);
- if (!(*hostApi)->deviceInfos)
- { result = paInsufficientMemory; goto cleanup; }
-
- /* Allocate all device info structs in a contiguous block. */
- deviceInfoArray = (PaDeviceInfo*)PaUtil_GroupAllocateMemory(
- SGIHostApi->allocations, sizeof(PaDeviceInfo) * deviceCount);
- if (!deviceInfoArray)
- { result = paInsufficientMemory; goto cleanup; }
- /* Store all AL device IDs in an array. */
- SGIHostApi->sgiDeviceIDs = (ALvalue*)PaUtil_GroupAllocateMemory(SGIHostApi->allocations,
- deviceCount * sizeof(ALvalue));
- if (!SGIHostApi->sgiDeviceIDs)
- { result = paInsufficientMemory; goto cleanup; }
- /* Same query again, but now store all IDs in array sgiDeviceIDs (still using no qualifiers).*/
- e = alQueryValues(AL_SYSTEM, AL_DEVICES, SGIHostApi->sgiDeviceIDs, deviceCount, 0, 0);
- if (e != deviceCount)
- {
- if (e < 0) /* Sure an AL error really occurred. */
- { PA_SGI_SET_LAST_AL_ERROR() result = paUnanticipatedHostError; }
- else /* Seems we lost some devices. */
- { DBUG(("Number of devices suddenly changed!\n")); result = paDeviceUnavailable; }
- goto cleanup;
- }
- y[0].param = AL_DEFAULT_INPUT;
- y[1].param = AL_DEFAULT_OUTPUT;
- e = alGetParams(AL_SYSTEM, y, 2); /* Get params global to the AL system. */
- if (e != 2)
- {
- if (e < 0)
- {
- PA_SGI_SET_LAST_AL_ERROR() /* Calls oserror() and alGetErrorString(). */
- result = paUnanticipatedHostError; /* Sure an AL error really occurred. */
- }
- else
- {
- DBUG(("Default input and/or output could not be found!\n"));
- result = paDeviceUnavailable; /* FIX: What if only in or out are available? */
- }
- goto cleanup;
- }
- def_in = y[0].value.i; /* Remember both AL devices for a while. */
- def_out = y[1].value.i;
- y[0].param = AL_NAME;
- y[0].value.ptr = devName;
- y[0].sizeIn = maxDevNameChars; /* Including terminating null char. */
- y[1].param = AL_RATE;
- y[2].param = AL_CHANNELS;
- y[3].param = AL_TYPE; /* Subtype of AL_INPUT_DEVICE_TYPE or AL_OUTPUT_DEVICE_TYPE? */
- for (i=0; i < deviceCount; ++i) /* Fill allocated deviceInfo structs. */
- {
- PaDeviceInfo *deviceInfo = &deviceInfoArray[i];
- deviceInfo->structVersion = 2;
- deviceInfo->hostApi = hostApiIndex; /* Retrieve name, samplerate, channels and type. */
- e = alGetParams(SGIHostApi->sgiDeviceIDs[i].i, y, numParams);
- if (e != numParams)
- {
- if (e < 0) /* Calls oserror() and alGetErrorString(). */
- { PA_SGI_SET_LAST_AL_ERROR() result = paUnanticipatedHostError; }
- else
- { DBUG(("alGetParams() could not get all params!\n")); result = paInternalError; }
- goto cleanup;
- }
- deviceInfo->name = (char*)PaUtil_GroupAllocateMemory(SGIHostApi->allocations, strlen(devName) + 1);
- if (!deviceInfo->name)
- { result = paInsufficientMemory; goto cleanup; }
- strcpy((char*)deviceInfo->name, devName);
-
- /* Determine whether the received number of channels belongs to input or output device. */
- if (alIsSubtype(AL_INPUT_DEVICE_TYPE, y[3].value.i))
- {
- deviceInfo->maxInputChannels = y[2].value.i;
- deviceInfo->maxOutputChannels = 0;
- }
- else if (alIsSubtype(AL_OUTPUT_DEVICE_TYPE, y[3].value.i))
- {
- deviceInfo->maxInputChannels = 0;
- deviceInfo->maxOutputChannels = y[2].value.i;
- }
- else /* Should never occur. */
- {
- DBUG(("AL device is neither input nor output!\n"));
- result = paInternalError;
- goto cleanup;
- }
-
- /* Determine if this device is the default (in or out). If so, assign. */
- if (def_in == SGIHostApi->sgiDeviceIDs[i].i)
- {
- if ((*hostApi)->info.defaultInputDevice != paNoDevice)
- {
- DBUG(("Default input already assigned!\n"));
- result = paInternalError;
- goto cleanup;
- }
- (*hostApi)->info.defaultInputDevice = i;
- /* DBUG(("Default input assigned to pa device %d (%s).\n", i, deviceInfo->name)); */
- }
- else if (def_out == SGIHostApi->sgiDeviceIDs[i].i)
- {
- if ((*hostApi)->info.defaultOutputDevice != paNoDevice)
- {
- DBUG(("Default output already assigned!\n"));
- result = paInternalError;
- goto cleanup;
- }
- (*hostApi)->info.defaultOutputDevice = i;
- /* DBUG(("Default output assigned to pa device %d (%s).\n", i, deviceInfo->name)); */
- }
- /*---------------------------------------------- Default latencies set to 'reasonable' values. */
- deviceInfo->defaultLowInputLatency = 0.050; /* 50 milliseconds seems ok. */
- deviceInfo->defaultLowOutputLatency = 0.050; /* These are ALSO ABSOLUTE MINIMA in OpenStream(). */
- deviceInfo->defaultHighInputLatency = 0.500; /* 500 milliseconds a reasonable value? */
- deviceInfo->defaultHighOutputLatency = 0.500; /* Ten times these are ABSOLUTE MAX in OpenStream()). */
-
- deviceInfo->defaultSampleRate = alFixedToDouble(y[1].value.ll); /* Read current sr. */
- (*hostApi)->deviceInfos[i] = deviceInfo;
- ++(*hostApi)->info.deviceCount;
- }
- }
- /* What if (deviceCount==0)? */
- (*hostApi)->Terminate = Terminate;
- (*hostApi)->OpenStream = OpenStream;
- (*hostApi)->IsFormatSupported = IsFormatSupported;
-
- PaUtil_InitializeStreamInterface(&SGIHostApi->callbackStreamInterface, CloseStream, StartStream,
- StopStream, AbortStream, IsStreamStopped, IsStreamActive,
- GetStreamTime, GetStreamCpuLoad,
- PaUtil_DummyRead, PaUtil_DummyWrite,
- PaUtil_DummyGetReadAvailable, PaUtil_DummyGetWriteAvailable );
-
- PaUtil_InitializeStreamInterface(&SGIHostApi->blockingStreamInterface, CloseStream, StartStream,
- StopStream, AbortStream, IsStreamStopped, IsStreamActive,
- GetStreamTime, PaUtil_DummyGetCpuLoad,
- ReadStream, WriteStream, GetStreamReadAvailable, GetStreamWriteAvailable );
-cleanup:
- if (result != paNoError)
- {
- if (SGIHostApi)
- {
- if (SGIHostApi->allocations)
- {
- PaUtil_FreeAllAllocations(SGIHostApi->allocations);
- PaUtil_DestroyAllocationGroup(SGIHostApi->allocations);
- }
- PaUtil_FreeMemory(SGIHostApi);
- }
- }
- return result;
-}
-
-
-static void Terminate( struct PaUtilHostApiRepresentation *hostApi )
-{
- PaSGIHostApiRepresentation *SGIHostApi = (PaSGIHostApiRepresentation*)hostApi;
-
- /* Clean up any resources not handled by the allocation group. */
- if( SGIHostApi->allocations )
- {
- PaUtil_FreeAllAllocations( SGIHostApi->allocations );
- PaUtil_DestroyAllocationGroup( SGIHostApi->allocations );
- }
- PaUtil_FreeMemory( SGIHostApi );
-}
-
-/*
- Check if samplerate is supported for this output device. Called once
- or twice by function IsFormatSupported() and one time by OpenStream().
- When paUnanticipatedHostError is returned, the caller does NOT have
- to call PA_SGI_SET_LAST_AL_ERROR() or such.
-*/
-static PaError sr_supported(int al_device, double sr)
-{
- int e;
- PaError result;
- ALparamInfo pinfo;
- long long lsr; /* 64 bit fixed point internal AL samplerate. */
-
- if (alGetParamInfo(al_device, AL_RATE, &pinfo))
- {
- e = oserror();
- DBUG(("alGetParamInfo(AL_RATE) failed: %s.\n", alGetErrorString(e)));
- if (e == AL_BAD_RESOURCE)
- result = paInvalidDevice;
- else
- {
- PA_SGI_SET_LAST_AL_ERROR() /* Sure an AL error occured. */
- result = paUnanticipatedHostError;
- }
- }
- else
- {
- lsr = alDoubleToFixed(sr); /* Within the range? */
- if ((pinfo.min.ll <= lsr) && (lsr <= pinfo.max.ll))
- result = paFormatIsSupported;
- else
- result = paInvalidSampleRate;
- }
- /* DBUG(("sr_supported()=%d.\n", result)); */
- return result;
-}
-
-
-/*
- See common/portaudio.h (suggestedLatency field is ignored).
-*/
-static PaError IsFormatSupported( struct PaUtilHostApiRepresentation *hostApi,
- const PaStreamParameters *inputParameters,
- const PaStreamParameters *outputParameters,
- double sampleRate )
-{
- PaSGIHostApiRepresentation* SGIHostApi = (PaSGIHostApiRepresentation*)hostApi;
- int inputChannelCount, outputChannelCount, result;
- PaSampleFormat inputSampleFormat, outputSampleFormat;
-
- if( inputParameters )
- {
- inputChannelCount = inputParameters->channelCount;
- inputSampleFormat = inputParameters->sampleFormat;
- /* Unless alternate device specification is supported, reject the use of
- paUseHostApiSpecificDeviceSpecification. */
- if( inputParameters->device == paUseHostApiSpecificDeviceSpecification )
- return paInvalidDevice;
- /* Check that input device can support inputChannelCount. */
- if( inputChannelCount > hostApi->deviceInfos[ inputParameters->device ]->maxInputChannels )
- return paInvalidChannelCount;
- /* Validate inputStreamInfo. */
- if( inputParameters->hostApiSpecificStreamInfo )
- return paIncompatibleHostApiSpecificStreamInfo; /* this implementation doesn't use custom stream info */
- /* Check if samplerate is supported for this input device. */
- result = sr_supported(SGIHostApi->sgiDeviceIDs[inputParameters->device].i, sampleRate);
- if (result != paFormatIsSupported) /* PA_SGI_SET_LAST_AL_ERROR() may already be called. */
- return result;
- }
- else
- {
- inputChannelCount = 0;
- }
- if( outputParameters ) /* As with input above. */
- {
- outputChannelCount = outputParameters->channelCount;
- outputSampleFormat = outputParameters->sampleFormat;
- if( outputParameters->device == paUseHostApiSpecificDeviceSpecification )
- return paInvalidDevice;
- if( outputChannelCount > hostApi->deviceInfos[ outputParameters->device ]->maxOutputChannels )
- return paInvalidChannelCount;
- if( outputParameters->hostApiSpecificStreamInfo )
- return paIncompatibleHostApiSpecificStreamInfo; /* this implementation doesn't use custom stream info */
- /* Check if samplerate is supported for this output device. */
- result = sr_supported(SGIHostApi->sgiDeviceIDs[outputParameters->device].i, sampleRate);
- if (result != paFormatIsSupported)
- return result;
- }
- else
- {
- outputChannelCount = 0;
- }
- /* IMPLEMENT ME:
- Because the buffer adapter handles conversion between all standard
- sample formats, the following checks are only required if paCustomFormat
- is implemented, or under some other unusual conditions.
-
- - check that input device can support inputSampleFormat, or that
- we have the capability to convert from outputSampleFormat to
- a native format
-
- - check that output device can support outputSampleFormat, or that
- we have the capability to convert from outputSampleFormat to
- a native format
- */
- /* suppress unused variable warnings */
- (void) inputSampleFormat;
- (void) outputSampleFormat;
- return paFormatIsSupported;
-}
-
-/** Auxilary struct, embedded twice in the struct below, for inputs and outputs. */
-typedef struct PaSGIhostPortBuffer
-{
- /** NULL means IRIX AL port closed. */
- ALport port;
- /** NULL means memory not allocated. */
- void* buffer;
-}
- PaSGIhostPortBuffer;
-
-/** Stream data structure specifically for this IRIX AL implementation. */
-typedef struct PaSGIStream
-{
- PaUtilStreamRepresentation streamRepresentation;
- PaUtilCpuLoadMeasurer cpuLoadMeasurer;
- PaUtilBufferProcessor bufferProcessor;
- unsigned long framesPerHostCallback;
- /** Allocated host buffers and AL ports. */
- PaSGIhostPortBuffer hostPortBuffIn,
- hostPortBuffOut;
- /** Copy of stream flags given to OpenStream(). */
- PaStreamFlags streamFlags;
- /** Stream state may be 0 or 1 or 2, but never 3. */
- unsigned char state;
- /** Requests to stop or abort may come from the parent,
- or from the child itself (user callback result). */
- unsigned char stopAbort;
- pthread_t thread;
-}
- PaSGIStream;
-
-/** Stream can be in only one of the following three states: stopped (1), active (2), or
- callback finshed (0). To prevent 'state 3' from occurring, Setting and testing of the
- state bits is done atomically.
-*/
-#define PA_SGI_STREAM_FLAG_FINISHED_ (0) /* After callback finished or cancelled queued buffers. */
-#define PA_SGI_STREAM_FLAG_STOPPED_ (1) /* Set by OpenStream(), StopStream() and AbortStream(). */
-#define PA_SGI_STREAM_FLAG_ACTIVE_ (2) /* Set by StartStream. Reset by OpenStream(), */
- /* StopStream() and AbortStream(). */
-
-/** Stop requests, via the 'stopAbort' field can be either 1, meaning 'stop' or 2, meaning 'abort'.
- When both occur at the same time, 'abort' takes precedence, even after a first 'stop'.
-*/
-#define PA_SGI_REQ_CONT_ (0) /* Reset by OpenStream(), StopStream and AbortStream. */
-#define PA_SGI_REQ_STOP_ (1) /* Set by StopStream(). */
-#define PA_SGI_REQ_ABORT_ (2) /* Set by AbortStream(). */
-
-
-/** Called by OpenStream() once or twice. First, the number of channels, sampleformat, and
- queue size are configured. The configuration is then bound to the specified AL device.
- Then an AL port is opened. Finally, the samplerate of the device is altered (or at least
- set again).
-
- After successful return, actual latency is written in *latency, and actual samplerate
- in *samplerate.
-
- @param pa_params may be NULL and pa_params->channelCount may also be null, in both
- cases the function immediately returns.
- @return paNoError if configuration was skipped or if it succeeded.
-*/
-static PaError set_sgi_device(ALvalue* sgiDeviceIDs, /* Array built by PaSGI_Initialize(). */
- const PaStreamParameters* pa_params, /* read device and channels. */
- double* latency, /* Read and write in seconds. */
-
- PaSampleFormat pasfmt, /* Don't read from pa_params!. */
- char* direction, /* "r" or "w". */
- char* name,
- long framesPerHostBuffer,
- double* samplerate, /* Also writes back here. */
- PaSGIhostPortBuffer* hostPortBuff) /* Receive pointers here. */
-{
- int bytesPerFrame, sgiDevice, alErr, d, dd, iq_size, default_iq_size;
- ALpv pvs[2];
- ALconfig alc = NULL;
- PaError result = paNoError;
-
- if (!pa_params)
- goto cleanup; /* Not errors, just not full duplex, skip all. */
- if (!pa_params->channelCount)
- goto cleanup;
- alc = alNewConfig(); /* Create default config. This defaults to stereo, 16-bit integer data. */
- if (!alc) /* Call alFreeConfig() later, when done with it. */
- { result = paInsufficientMemory; goto cleanup; }
- /*----------------------- CONFIGURE NUMBER OF CHANNELS: ---------------------------*/
- if (alSetChannels(alc, pa_params->channelCount)) /* Returns 0 on success. */
- {
- if (oserror() == AL_BAD_CHANNELS)
- result = paInvalidChannelCount;
- else
- {
- PA_SGI_SET_LAST_AL_ERROR()
- result = paUnanticipatedHostError;
- }
- goto cleanup;
- }
- bytesPerFrame = pa_params->channelCount; /* Is multiplied by width below. */
- /*----------------------- CONFIGURE SAMPLE FORMAT: --------------------------------*/
- if (pasfmt == paFloat32)
- {
- if (alSetSampFmt(alc, AL_SAMPFMT_FLOAT))
- {
- if (oserror() == AL_BAD_SAMPFMT)
- result = paSampleFormatNotSupported;
- else
- {
- PA_SGI_SET_LAST_AL_ERROR()
- result = paUnanticipatedHostError;
- }
- goto cleanup;
- }
- bytesPerFrame *= 4; /* No need to set width for floats. */
- }
- else
- {
- if (alSetSampFmt(alc, AL_SAMPFMT_TWOSCOMP))
- {
- if (oserror() == AL_BAD_SAMPFMT)
- result = paSampleFormatNotSupported;
- else
- {
- PA_SGI_SET_LAST_AL_ERROR()
- result = paUnanticipatedHostError;
- }
- goto cleanup;
- }
- if (pasfmt == paInt8)
- {
- if (alSetWidth(alc, AL_SAMPLE_8))
- {
- if (oserror() == AL_BAD_WIDTH)
- result = paSampleFormatNotSupported;
- else
- {
- PA_SGI_SET_LAST_AL_ERROR()
- result = paUnanticipatedHostError;
- }
- goto cleanup;
- }
- /* bytesPerFrame *= 1; */
- }
- else if (pasfmt == paInt16)
- {
- if (alSetWidth(alc, AL_SAMPLE_16))
- {
- if (oserror() == AL_BAD_WIDTH)
- result = paSampleFormatNotSupported;
- else
- {
- PA_SGI_SET_LAST_AL_ERROR()
- result = paUnanticipatedHostError;
- }
- goto cleanup;
- }
- bytesPerFrame *= 2;
- }
- else if (pasfmt == paInt24)
- {
- if (alSetWidth(alc, AL_SAMPLE_24))
- {
- if (oserror() == AL_BAD_WIDTH)
- result = paSampleFormatNotSupported;
- else
- {
- PA_SGI_SET_LAST_AL_ERROR()
- result = paUnanticipatedHostError;
- }
- goto cleanup;
- }
- bytesPerFrame *= 3; /* OR 4 ???????! */
- }
- else return paSampleFormatNotSupported;
- }
- /*----------------------- SET INTERNAL AL QUEUE SIZE: -------------------------------*/
- /* The AL API doesn't provide a means for querying minimum and maximum buffer sizes.
- So, if the requested size fails, try again with a value that is closer to the AL's
- default queue size. In this implementation, 'Portaudio latency' corresponds to
- the AL queue size minus one buffersize:
- AL queue size - framesPerHostBuffer
- PA latency = -----------------------------------
- sample rate */
- default_iq_size = alGetQueueSize(alc);
- if (default_iq_size < 0) /* So let's first get that 'default size'. */
- { /* Default internal queue size could not be determined. */
- PA_SGI_SET_LAST_AL_ERROR()
- result = paUnanticipatedHostError;
- goto cleanup;
- }
- /* AL buffer becomes somewhat bigger than the suggested latency, notice this is */
- /* based on requsted samplerate, not in the actual rate, which is measured later. */
- /* Do NOT read pa_params->suggestedLatency, but use the limited *latency param! */
-
- iq_size = (int)(0.5 + ((*latency) * (*samplerate))) + (int)framesPerHostBuffer;
- /* The AL buffer becomes somewhat */
- /* bigger than the suggested latency. */
- if (iq_size < (framesPerHostBuffer << 1)) /* Make sure the minimum is twice */
- { /* framesPerHostBuffer. */
- DBUG(("Setting minimum queue size.\n"));
- iq_size = (framesPerHostBuffer << 1);
- }
- d = iq_size - default_iq_size; /* Determine whether we'll decrease */
- while (alSetQueueSize(alc, iq_size)) /* or increase after failing. */
- { /* Size in sample frames. */
- if (oserror() != AL_BAD_QSIZE) /* Stop at AL_BAD_CONFIG. */
- {
- PA_SGI_SET_LAST_AL_ERROR()
- result = paUnanticipatedHostError;
- goto cleanup;
- }
- dd = iq_size - default_iq_size; /* Stop when even the default size failed */
- if (((d >= 0) && (dd <= 0)) || /* (dd=0) or when difference flipped sign. */
- ((d <= 0) && (dd >= 0)) ||
- (iq_size <= framesPerHostBuffer)) /* Also guarentee that framesPerHostBuffer */
- { /* can be subtracted (res>0) after return. */
- DBUG(("Could not set AL queue size to %d sample frames!\n", iq_size));
- result = paInternalError; /* FIX: PROBABLY AN INAPROPRIATE ERROR CODE HERE. */
- goto cleanup; /* As inapropriate as paUnanticipatedHostError was? */
- }
- DBUG(("Failed to set internal queue size to %d frames, ", iq_size));
- if (d > 0)
- iq_size -= framesPerHostBuffer; /* Try lesser multiple. */
- else
- iq_size += framesPerHostBuffer; /* Try larger multiple. */
- DBUG(("trying %d frames now...\n", iq_size));
- }
- /* Note: Actual latency is written back to *latency after meausuring actual (not
- the requested) samplerate. See below.
- */
- /*----------------------- ALLOCATE HOST BUFFER: --------------------------------------*/
- hostPortBuff->buffer = PaUtil_AllocateMemory((long)bytesPerFrame * framesPerHostBuffer);
- if (!hostPortBuff->buffer) /* Caller is responsible for cleanup+close after failures! */
- { result = paInsufficientMemory; goto cleanup; }
- /*----------------------- BIND CONFIGURATION TO DEVICE: ------------------------------*/
- sgiDevice = sgiDeviceIDs[pa_params->device].i;
- if (alSetDevice(alc, sgiDevice)) /* Try to switch the hardware. */
- {
- if (oserror() == AL_BAD_DEVICE)
- result = paInvalidDevice;
- else
- {
- PA_SGI_SET_LAST_AL_ERROR()
- result = paUnanticipatedHostError;
- }
- goto cleanup;
- }
- /*----------------------- OPEN PORT: ----------------------------------------------*/
- hostPortBuff->port = alOpenPort(name, direction, alc); /* Caller is responsible */
- if (!hostPortBuff->port) /* for closing after fail. */
- {
- PA_SGI_SET_LAST_AL_ERROR()
- result = paUnanticipatedHostError;
- goto cleanup;
- } /* Maybe set SR earlier? */
- /*----------------------- SET SAMPLERATE: -----------------------------------------*/
- pvs[0].param = AL_MASTER_CLOCK; /* Attempt to set a crystal-based sample- */
- pvs[0].value.i = AL_CRYSTAL_MCLK_TYPE; /* rate on input or output device. */
- pvs[1].param = AL_RATE;
- pvs[1].value.ll = alDoubleToFixed(*samplerate);
- if (2 != alSetParams(sgiDevice, pvs, 2))
- {
- DBUG(("alSetParams() failed to set samplerate to %.4f Hz!\n", *samplerate));
- result = paInvalidSampleRate;
- goto cleanup;
- }
- /*----------------------- GET ACTUAL SAMPLERATE: ---------------------------*/
- alErr = alGetParams(sgiDevice, &pvs[1], 1); /* SEE WHAT WE REALY SET IT TO. */
- if (alErr != 1) /* And return that to caller. */
- {
- DBUG(("alGetParams() failed to read samplerate!\n"));
- result = paInvalidSampleRate;
- goto cleanup;
- }
- *samplerate = alFixedToDouble(pvs[1].value.ll); /* Between 1 Hz and 1 MHz. */
- if ((*samplerate < 1.0) || (*samplerate > 1000000.0))
- {
- DBUG(("alFixedToDouble() resulted a weird samplerate: %.6f Hz!\n", *samplerate));
- result = paInvalidSampleRate;
- goto cleanup;
- }
- /*----------------------- CALC ACTUAL LATENCY (based on actual SR): -----------------------*/
- *latency = (iq_size - framesPerHostBuffer) / (*samplerate); /* FIX: SURE > 0!???? */
-cleanup:
- if (alc)
- alFreeConfig(alc); /* We no longer need configuration. */
- return result;
-}
-
-/**
- Called by OpenStream() if it fails and by CloseStream. Only used here, in this file.
- Fields MUST be set to NULL or to a valid value, prior to call.
-*/
-static void streamCleanupAndClose(PaSGIStream* stream)
-{
- if (stream->hostPortBuffIn.port) alClosePort(stream->hostPortBuffIn.port); /* Close AL ports. */
- if (stream->hostPortBuffIn.buffer) PaUtil_FreeMemory(stream->hostPortBuffIn.buffer); /* Release buffers. */
- if (stream->hostPortBuffOut.port) alClosePort(stream->hostPortBuffOut.port);
- if (stream->hostPortBuffOut.buffer) PaUtil_FreeMemory(stream->hostPortBuffOut.buffer);
-}
-
-
-/* See pa_hostapi.h for a list of validity guarantees made about OpenStream parameters. */
-static PaError OpenStream(struct PaUtilHostApiRepresentation* hostApi,
- PaStream** s,
- const PaStreamParameters* ipp,
- const PaStreamParameters* opp,
- double sampleRate, /* Common to both i and o. */
- unsigned long framesPerBuffer,
- PaStreamFlags streamFlags,
- PaStreamCallback* streamCallback,
- void* userData)
-{
- PaError result = paNoError;
- PaSGIHostApiRepresentation* SGIHostApi = (PaSGIHostApiRepresentation*)hostApi;
- PaSGIStream* stream = 0;
- unsigned long framesPerHostBuffer; /* Not necessarily the same as framesPerBuffer. */
- int inputChannelCount, outputChannelCount;
- PaSampleFormat inputSampleFormat, outputSampleFormat,
- hostInputSampleFormat, hostOutputSampleFormat;
- double sr_in, sr_out,
- latency_in, latency_out;
- static const PaSampleFormat irixFormats = (paInt8 | paInt16 | paInt24 | paFloat32);
- /* Constant used by PaUtil_SelectClosestAvailableFormat(). Because IRIX AL does not
- provide a way to query for possible formats for a given device, interface or port,
- just add together the formats we know that are supported in general by IRIX AL
- (at the end of the year 2003): AL_SAMPFMT_TWOSCOMP with AL_SAMPLE_8(=paInt8),
- AL_SAMPLE_16(=paInt16) or AL_SAMPLE_24(=paInt24); AL_SAMPFMT_FLOAT(=paFloat32);
- AL_SAMPFMT_DOUBLE(=paFloat64); IRIX misses unsigned 8 and 32 bit signed ints.
- */
- DBUG(("OpenStream() started.\n"));
- if (ipp)
- {
- inputChannelCount = ipp->channelCount;
- inputSampleFormat = ipp->sampleFormat;
- /* Unless alternate device specification is supported, reject the use of paUseHostApiSpecificDeviceSpecification. */
- if (ipp->device == paUseHostApiSpecificDeviceSpecification) /* DEVICE CHOOSEN BY CLIENT. */
- return paInvalidDevice;
- /* Check that input device can support inputChannelCount. */
- if (inputChannelCount > hostApi->deviceInfos[ipp->device]->maxInputChannels)
- return paInvalidChannelCount;
- /* Validate inputStreamInfo. */
- if (ipp->hostApiSpecificStreamInfo)
- return paIncompatibleHostApiSpecificStreamInfo; /* this implementation doesn't use custom stream info */
- hostInputSampleFormat = PaUtil_SelectClosestAvailableFormat(irixFormats, inputSampleFormat);
- /* Check if samplerate is supported for this input device. */
- result = sr_supported(SGIHostApi->sgiDeviceIDs[ipp->device].i, sampleRate);
- if (result != paFormatIsSupported) /* PA_SGI_SET_LAST_AL_ERROR() may already be called. */
- return result;
- /* Validate input latency. Use defaults if necessary. */
- if (ipp->suggestedLatency < hostApi->deviceInfos[ipp->device]->defaultLowInputLatency)
- latency_in = hostApi->deviceInfos[ipp->device]->defaultLowInputLatency; /* Low = minimum. */
- else if (ipp->suggestedLatency > 10.0 * hostApi->deviceInfos[ipp->device]->defaultHighInputLatency)
- latency_in = 10.0 * hostApi->deviceInfos[ipp->device]->defaultHighInputLatency; /* 10*High = max. */
- else
- latency_in = ipp->suggestedLatency;
- }
- else
- {
- inputChannelCount = 0;
- inputSampleFormat = hostInputSampleFormat = paInt16; /* Surpress 'uninitialised var' warnings. */
- latency_in = 0.0; /* Necessary? */
- }
- if (opp)
- {
- outputChannelCount = opp->channelCount;
- outputSampleFormat = opp->sampleFormat;
- if (opp->device == paUseHostApiSpecificDeviceSpecification) /* Like input (above). */
- return paInvalidDevice;
- if (outputChannelCount > hostApi->deviceInfos[opp->device]->maxOutputChannels)
- return paInvalidChannelCount;
- if (opp->hostApiSpecificStreamInfo )
- return paIncompatibleHostApiSpecificStreamInfo; /* this implementation doesn't use custom stream info */
- hostOutputSampleFormat = PaUtil_SelectClosestAvailableFormat(irixFormats, outputSampleFormat);
- /* Check if samplerate is supported for this output device. */
- result = sr_supported(SGIHostApi->sgiDeviceIDs[opp->device].i, sampleRate);
- if (result != paFormatIsSupported)
- return result;
- /* Validate output latency. Use defaults if necessary. */
- if (opp->suggestedLatency < hostApi->deviceInfos[opp->device]->defaultLowOutputLatency)
- latency_out = hostApi->deviceInfos[opp->device]->defaultLowOutputLatency; /* Low = minimum. */
- else if (opp->suggestedLatency > 10.0 * hostApi->deviceInfos[opp->device]->defaultHighOutputLatency)
- latency_out = 10.0 * hostApi->deviceInfos[opp->device]->defaultHighOutputLatency; /* 10*High = max. */
- else
- latency_out = opp->suggestedLatency;
- }
- else
- {
- outputChannelCount = 0;
- outputSampleFormat = hostOutputSampleFormat = paInt16; /* Surpress 'uninitialised var' warning. */
- latency_out = 0.0;
- }
- /* Sure that ipp and opp will never be both NULL. */
-
- if( (streamFlags & paPlatformSpecificFlags) != 0 ) /* Validate platform specific flags. */
- return paInvalidFlag; /* Unexpected platform specific flag. */
-
- stream = (PaSGIStream*)PaUtil_AllocateMemory( sizeof(PaSGIStream) );
- if (!stream)
- { result = paInsufficientMemory; goto cleanup; }
-
- stream->hostPortBuffIn.port = (ALport)NULL; /* Ports closed. */
- stream->hostPortBuffIn.buffer = NULL; /* No buffers yet. */
- stream->hostPortBuffOut.port = (ALport)NULL;
- stream->hostPortBuffOut.buffer = NULL;
-
- if (streamCallback)
- PaUtil_InitializeStreamRepresentation(&stream->streamRepresentation,
- &SGIHostApi->callbackStreamInterface, streamCallback, userData);
- else
- PaUtil_InitializeStreamRepresentation(&stream->streamRepresentation,
- &SGIHostApi->blockingStreamInterface, streamCallback, userData);
- /* (NULL.) */
- if (framesPerBuffer == paFramesPerBufferUnspecified) /* Proposal 004. */
- { /* Keep framesPerBuffer zero but come up with some fixed host buffer size. */
- double lowest_lat = 0.0; /* 0.0 to surpress uninit warning, we're sure it will end up higher. */
- if (ipp)
- lowest_lat = latency_in; /* Sure > 0.0! */
- if (opp && (latency_out < lowest_lat))
- lowest_lat = latency_out;
- /* So that queue size becomes approximately 5 times framesPerHostBuffer: */
- framesPerHostBuffer = (unsigned long)((lowest_lat * sampleRate) / 4.0);
- /* But always limit: */
- if (framesPerHostBuffer < 64L)
- framesPerHostBuffer = 64L;
- else if (framesPerHostBuffer > 32768L)
- framesPerHostBuffer = 32768L;
- DBUG(("Decided to use a fixed host buffer size of %ld frames.\n", framesPerHostBuffer));
- }
- else
- framesPerHostBuffer = framesPerBuffer; /* Then just take the requested amount. No buffer-adaption yet? */
-
- sr_in = sr_out = sampleRate;
- /*-------------------------------------------------------------------------------------------*/
- result = set_sgi_device(SGIHostApi->sgiDeviceIDs, /* Needed by alSetDevice and other functs. */
- ipp, /* Reads channelCount, device but NOT latency. */
- &latency_in, /* Read limited requested latency but also WRITE actual. */
- hostInputSampleFormat, /* For alSetSampFmt and alSetWidth. */
- "r", /* "r" for reading from input port. */
- "portaudio in", /* Name string. */
- framesPerHostBuffer, /* As calculated or as requested by the client. */
- &sr_in, /* Receive actual s.rate after setting it. */
- &stream->hostPortBuffIn); /* Receives ALport and input host buffer. */
- if (result != paNoError) goto cleanup;
- /*-------------------------------------------------------------------------------------------*/
- result = set_sgi_device(SGIHostApi->sgiDeviceIDs,
- opp,
- &latency_out,
- hostOutputSampleFormat,
- "w", /* "w" for writing. */
- "portaudio out",
- framesPerHostBuffer,
- &sr_out,
- &stream->hostPortBuffOut);
- if (result != paNoError) goto cleanup;
- /*------------------------------------------------------------------------------------------*/
- if (fabs(sr_in - sr_out) > 0.001) /* Make sure both are the 'same'. */
- {
- DBUG(("Weird samplerate difference between input and output!\n"));
- result = paInvalidSampleRate; /* Could not come up with a better error code. */
- goto cleanup;
- } /* sr_in '==' sr_out. */
- sampleRate = sr_in; /* Following fields set to estimated or actual values: */
- stream->streamRepresentation.streamInfo.sampleRate = sampleRate;
- stream->streamRepresentation.streamInfo.inputLatency = latency_in; /* 0.0 if output only. */
- stream->streamRepresentation.streamInfo.outputLatency = latency_out; /* 0.0 if input only. */
-
- PaUtil_InitializeCpuLoadMeasurer(&stream->cpuLoadMeasurer, sampleRate);
- result = PaUtil_InitializeBufferProcessor(&stream->bufferProcessor,
- inputChannelCount, inputSampleFormat, hostInputSampleFormat,
- outputChannelCount, outputSampleFormat, hostOutputSampleFormat,
- sampleRate, streamFlags,
- framesPerBuffer, /* As requested by OpenStream(), may be zero! */
- framesPerHostBuffer, /* Use fixed number of frames per host buffer */
- paUtilFixedHostBufferSize, /* to keep things simple. See pa_common/pa_ */
- streamCallback, userData); /* process.h for more hostbuffersize options. */
- if (result != paNoError)
- goto cleanup;
-
- stream->framesPerHostCallback = framesPerHostBuffer;
- stream->streamFlags = streamFlags; /* Remember priming request. */
- stream->state = PA_SGI_STREAM_FLAG_STOPPED_; /* After opening, the stream */
- stream->stopAbort = PA_SGI_REQ_CONT_; /* is in the stopped state. */
- *s = (PaStream*)stream; /* Pass object to caller. */
-cleanup:
- if (result != paNoError) /* Always set result when jumping to cleanup after failure. */
- {
- if (stream)
- {
- streamCleanupAndClose(stream); /* Frees i/o buffers and closes AL ports. */
- PaUtil_FreeMemory(stream);
- }
- }
- return result;
-}
-
-/** POSIX thread that performs the actual i/o and calls the client's callback,
- spawned by StartStream().
-*/
-static void* PaSGIpthread(void *userData)
-{
- PaSGIStream* stream = (PaSGIStream*)userData;
- int callbackResult = paContinue;
- double nanosec_per_frame;
- PaStreamCallbackTimeInfo timeInfo = { 0, 0, 0 };
-
- stream->state = PA_SGI_STREAM_FLAG_ACTIVE_; /* Parent thread also sets active flag, but we
- make no assumption about who does this first. */
- nanosec_per_frame = 1000000000.0 / stream->streamRepresentation.streamInfo.sampleRate;
- /*----------------------------------------------- OUTPUT PRIMING: -----------------------------*/
- if (stream->hostPortBuffOut.port) /* Somewhat less than AL queue size so the next */
- { /* output buffer will (probably) not block. */
- unsigned long frames_to_prime = (long)(0.5 +
- (stream->streamRepresentation.streamInfo.outputLatency
- * stream->streamRepresentation.streamInfo.sampleRate));
- if (stream->streamFlags & paPrimeOutputBuffersUsingStreamCallback)
- {
- PaStreamCallbackFlags cbflags = paPrimingOutput;
- if (stream->hostPortBuffIn.port) /* Only set this flag in case of full duplex. */
- cbflags |= paInputUnderflow;
- DBUG(("Prime with client's callback: < %ld frames.\n", frames_to_prime));
- while (frames_to_prime >= stream->framesPerHostCallback) /* We will not do less (yet). */
- { /* TODO: Timestamps and CPU load */
- PaUtil_BeginBufferProcessing(&stream->bufferProcessor, /* measurement during priming. */
- &timeInfo,
- cbflags); /* Pass underflow + priming flags. */
- if (stream->hostPortBuffIn.port) /* Does that provide client's call- */
- PaUtil_SetNoInput(&stream->bufferProcessor); /* back with silent inputbuffers? */
-
- PaUtil_SetOutputFrameCount(&stream->bufferProcessor, 0); /* 0=take host buffer size. */
- PaUtil_SetInterleavedOutputChannels(&stream->bufferProcessor, 0,
- stream->hostPortBuffOut.buffer, 0);
- callbackResult = paContinue; /* Call the client's callback. */
- frames_to_prime -= PaUtil_EndBufferProcessing(&stream->bufferProcessor, &callbackResult);
- if (callbackResult == paAbort)
- { /* What should we do in other cases */
- stream->stopAbort = PA_SGI_REQ_ABORT_; /* where (callbackResult!=paContinue). */
- break; /* Don't even output the samples just returned (also skip following while). */
- }
- else /* Write interleaved samples to SGI device. */
- alWriteFrames(stream->hostPortBuffOut.port, stream->hostPortBuffOut.buffer,
- stream->framesPerHostCallback);
- }
- }
- else /* Prime with silence. */
- {
- DBUG(("Prime with silence: %ld frames.\n", frames_to_prime));
- alZeroFrames(stream->hostPortBuffOut.port, frames_to_prime);
- }
- }
- /*------------------------------------------------------ I/O: ---------------------------------*/
- while (!stream->stopAbort) /* Exit loop immediately when 'stop' or 'abort' are raised. */
- {
- unsigned long framesProcessed;
- stamp_t fn, t, fnd, td; /* Unsigned 64 bit. */
-
- PaUtil_BeginCpuLoadMeasurement( &stream->cpuLoadMeasurer );
- /* IMPLEMENT ME: - handle buffer slips. */
- if (stream->hostPortBuffIn.port)
- {
- /* Get device sample frame number associated with next audio sample frame
- we're going to read from this port. */
- alGetFrameNumber(stream->hostPortBuffIn.port, &fn);
- /* Get some recent pair of (frame number, time) from the audio device to
- which our port is connected. time is 'UST' which is given in nanoseconds
- and shared with the other audio devices and with other media. */
- alGetFrameTime(stream->hostPortBuffIn.port, &fnd, &td);
- /* Calculate UST associated with fn, the next sample frame we're going to read or
- write. Because this is signed arithmetic, code works for both inputs and outputs. */
- t = td + (stamp_t) ((double)(fn - fnd) * nanosec_per_frame);
- /* If port is not in underflow or overflow state, we can alReadFrames() or
- alWriteFrames() here and know that t is the time associated with the first
- sample frame of the buffer we read or write. */
- timeInfo.inputBufferAdcTime = ((PaTime)t) / 1000000000.0;
- /* Read interleaved samples from AL port (I think it will block only the first time). */
- alReadFrames(stream->hostPortBuffIn.port, stream->hostPortBuffIn.buffer,
- stream->framesPerHostCallback);
- }
- if (stream->hostPortBuffOut.port)
- {
- alGetFrameNumber(stream->hostPortBuffOut.port, &fn);
- alGetFrameTime(stream->hostPortBuffOut.port, &fnd, &td);
- t = td + (stamp_t) ((double)(fn - fnd) * nanosec_per_frame);
- timeInfo.outputBufferDacTime = ((PaTime)t) / 1000000000.0;
- }
- dmGetUST((unsigned long long*)(&t)); /* Receive time in nanoseconds in t. */
- timeInfo.currentTime = ((PaTime)t) / 1000000000.0;
-
- /* If you need to byte swap or shift inputBuffer to convert it into a pa format, do it here. */
- PaUtil_BeginBufferProcessing(&stream->bufferProcessor,
- &timeInfo,
- 0 /* IMPLEMENT ME: pass underflow/overflow flags when necessary */);
-
- if (stream->hostPortBuffIn.port) /* Equivalent to (inputChannelCount > 0) */
- { /* We are sure about the amount to transfer (PaUtil_Set before alRead). */
- PaUtil_SetInputFrameCount(&stream->bufferProcessor, 0 /* 0 means take host buffer size */);
- PaUtil_SetInterleavedInputChannels(&stream->bufferProcessor,
- 0, /* first channel of inputBuffer is channel 0 */
- stream->hostPortBuffIn.buffer,
- 0 ); /* 0 - use inputChannelCount passed to init buffer processor */
- }
- if (stream->hostPortBuffOut.port)
- {
- PaUtil_SetOutputFrameCount(&stream->bufferProcessor, 0 /* 0 means take host buffer size */);
- PaUtil_SetInterleavedOutputChannels(&stream->bufferProcessor,
- 0, /* first channel of outputBuffer is channel 0 */
- stream->hostPortBuffOut.buffer,
- 0 ); /* 0 - use outputChannelCount passed to init buffer processor */
- }
- /*
- You must pass a valid value of callback result to PaUtil_EndBufferProcessing()
- in general you would pass paContinue for normal operation, and
- paComplete to drain the buffer processor's internal output buffer.
- You can check whether the buffer processor's output buffer is empty
- using PaUtil_IsBufferProcessorOuputEmpty( bufferProcessor )
- */
- callbackResult = paContinue; /* Whoops, lost this somewhere, back again in v 1.2.2.16! */
- framesProcessed = PaUtil_EndBufferProcessing(&stream->bufferProcessor, &callbackResult);
- /* If you need to byte swap or shift outputBuffer to convert it to host format, do it here. */
- PaUtil_EndCpuLoadMeasurement( &stream->cpuLoadMeasurer, framesProcessed );
-
- if (callbackResult != paContinue)
- { /* Once finished, call the finished callback. */
- DBUG(("SGI callbackResult = %d.\n", callbackResult));
- if (stream->streamRepresentation.streamFinishedCallback)
- stream->streamRepresentation.streamFinishedCallback(stream->streamRepresentation.userData);
- if (callbackResult == paAbort)
- {
- stream->stopAbort = PA_SGI_REQ_ABORT_;
- break; /* Don't play the last buffer returned. */
- }
- else /* paComplete or some other non-zero value. */
- stream->stopAbort = PA_SGI_REQ_STOP_;
- }
- if (stream->hostPortBuffOut.port) /* Write interleaved samples to SGI device */
- alWriteFrames(stream->hostPortBuffOut.port, /* (like unix_oss, AFTER checking callback result). */
- stream->hostPortBuffOut.buffer, stream->framesPerHostCallback);
- }
- if (stream->hostPortBuffOut.port) /* Drain output buffer(s), as long as we don't see an 'abort' request. */
- {
- while ((!(stream->stopAbort & PA_SGI_REQ_ABORT_)) && /* Assume _STOP_ is set (or meant). */
- (alGetFilled(stream->hostPortBuffOut.port) > 1)) /* In case of ABORT we quickly leave (again). */
- ; /* Don't provide any new (not even silent) samples, but let an underrun [almost] occur. */
- }
- if (callbackResult != paContinue)
- stream->state = PA_SGI_STREAM_FLAG_FINISHED_;
- return NULL;
-}
-
-
-/*
- When CloseStream() is called, the multi-api layer ensures
- that the stream has already been stopped or aborted.
-*/
-static PaError CloseStream(PaStream* s)
-{
- PaError result = paNoError;
- PaSGIStream* stream = (PaSGIStream*)s;
-
- DBUG(("SGI CloseStream() started.\n"));
- streamCleanupAndClose(stream); /* Releases i/o buffers and closes AL ports. */
- PaUtil_TerminateBufferProcessor(&stream->bufferProcessor);
- PaUtil_TerminateStreamRepresentation(&stream->streamRepresentation);
- PaUtil_FreeMemory(stream);
- return result;
-}
-
-
-static PaError StartStream(PaStream *s)
-{
- PaError result = paNoError;
- PaSGIStream* stream = (PaSGIStream*)s;
-
- DBUG(("StartStream() started.\n"));
- PaUtil_ResetBufferProcessor(&stream->bufferProcessor); /* See pa_common/pa_process.h. */
- if (stream->bufferProcessor.streamCallback)
- { /* only when callback is used */
- if (pthread_create(&stream->thread,
- NULL, /* pthread_attr_t * attr */
- PaSGIpthread, /* Function to spawn. */
- (void*)stream)) /* Pass stream as arg. */
- {
- PA_SGI_SET_LAST_IRIX_ERROR() /* Let's hope oserror() tells something useful. */
- result = paUnanticipatedHostError;
- }
- else
- stream->state = PA_SGI_STREAM_FLAG_ACTIVE_;
- } /* Set active before returning from this function. */
- else
- stream->state = PA_SGI_STREAM_FLAG_ACTIVE_; /* Apparently, setting active for blocking i/o is */
- return result; /* necessary (for patest_write_sine for example). */
-}
-
-
-static PaError StopStream( PaStream *s )
-{
- PaError result = paNoError;
- PaSGIStream* stream = (PaSGIStream*)s;
-
- if (stream->bufferProcessor.streamCallback) /* Only for callback streams. */
- {
- stream->stopAbort = PA_SGI_REQ_STOP_; /* Signal and wait for the thread to drain outputs. */
- if (pthread_join(stream->thread, NULL)) /* When succesful, stream->state */
- { /* is still ACTIVE, or FINISHED. */
- PA_SGI_SET_LAST_IRIX_ERROR()
- result = paUnanticipatedHostError;
- }
- else /* Transition from ACTIVE or FINISHED to STOPPED. */
- stream->state = PA_SGI_STREAM_FLAG_STOPPED_;
- stream->stopAbort = PA_SGI_REQ_CONT_; /* For possible next start. */
- }
-/* else
- stream->state = PA_SGI_STREAM_FLAG_STOPPED_; Is this necessary for blocking i/o? */
- return result;
-}
-
-
-static PaError AbortStream( PaStream *s )
-{
- PaError result = paNoError;
- PaSGIStream *stream = (PaSGIStream*)s;
-
- if (stream->bufferProcessor.streamCallback) /* Only for callback streams. */
- {
- stream->stopAbort = PA_SGI_REQ_ABORT_;
- if (pthread_join(stream->thread, NULL))
- {
- PA_SGI_SET_LAST_IRIX_ERROR()
- result = paUnanticipatedHostError;
- }
- else /* Transition from ACTIVE or FINISHED to STOPPED. */
- stream->state = PA_SGI_STREAM_FLAG_STOPPED_;
- stream->stopAbort = PA_SGI_REQ_CONT_; /* For possible next start. */
- }
-/* else
- stream->state = PA_SGI_STREAM_FLAG_STOPPED_; Is this necessary for blocking i/o? */
- return result;
-}
-
-
-static PaError IsStreamStopped( PaStream *s ) /* Not just the opposite of IsStreamActive(): */
-{ /* in the 'callback finished' state, it */
- /* returns zero instead of nonzero. */
- if (((PaSGIStream*)s)->state & PA_SGI_STREAM_FLAG_STOPPED_)
- return 1;
- return 0;
-}
-
-
-static PaError IsStreamActive( PaStream *s )
-{
- if (((PaSGIStream*)s)->state & PA_SGI_STREAM_FLAG_ACTIVE_)
- return 1;
- return 0;
-}
-
-
-static PaTime GetStreamTime( PaStream *s )
-{
- stamp_t t;
-
- (void) s; /* Suppress unused argument warning. */
- dmGetUST((unsigned long long*)(&t)); /* Receive time in nanoseconds in t. */
- return (PaTime)t / 1000000000.0;
-}
-
-
-static double GetStreamCpuLoad( PaStream* s )
-{
- PaSGIStream *stream = (PaSGIStream*)s;
-
- return PaUtil_GetCpuLoad( &stream->cpuLoadMeasurer );
-}
-
-
-/*
- As separate stream interfaces are used for blocking and callback
- streams, the following functions can be guaranteed to only be called
- for blocking streams.
-*/
-
-static PaError ReadStream( PaStream* s,
- void *buffer,
- unsigned long frames )
-{
- PaSGIStream* stream = (PaSGIStream*)s;
- int n;
-
-printf("stream->framesPerHostCallback=%ld.\n", stream->framesPerHostCallback);
-fflush(stdout);
-
- while (frames)
- {
- if (frames > stream->framesPerHostCallback) n = stream->framesPerHostCallback;
- else n = frames;
- /* Read interleaved samples from SGI device. */
- alReadFrames(stream->hostPortBuffIn.port, /* Port already opened by OpenStream(). */
- stream->hostPortBuffIn.buffer, n); /* Already allocated by OpenStream(). */
- /* alReadFrames() always returns 0. */
- PaUtil_SetInputFrameCount(&stream->bufferProcessor, 0); /* 0 means take host buffer size */
- PaUtil_SetInterleavedInputChannels(&stream->bufferProcessor,
- 0, /* first channel of inputBuffer is channel 0 */
- stream->hostPortBuffIn.buffer,
- 0 ); /* 0 means use inputChannelCount passed at init. */
- /* Copy samples from host input channels set up by the PaUtil_SetInterleavedInputChannels
- to a user supplied buffer. */
-printf("frames=%ld, buffer=%ld\n", frames, (long)buffer);
-fflush(stdout);
- PaUtil_CopyInput(&stream->bufferProcessor, &buffer, n);
- frames -= n;
- }
-printf("DONE: frames=%ld, buffer=%ld\n", frames, (long)buffer);
- return paNoError;
-}
-
-
-static PaError WriteStream( PaStream* s,
- const void *buffer,
- unsigned long frames )
-{
- PaSGIStream* stream = (PaSGIStream*)s;
- unsigned long n;
- while (frames)
- {
- PaUtil_SetOutputFrameCount(&stream->bufferProcessor, 0); /* 0 means take host buffer size */
- PaUtil_SetInterleavedOutputChannels(&stream->bufferProcessor,
- 0, /* first channel of inputBuffer is channel 0 */
- stream->hostPortBuffOut.buffer,
- 0 ); /* 0 means use inputChannelCount passed at init. */
- /* Copy samples from user supplied buffer to host input channels set up by
- PaUtil_SetInterleavedOutputChannels. Copies the minimum of the number of user frames
- (specified by the frameCount parameter) and the number of host frames (specified in
- a previous call to SetOutputFrameCount()). */
- n = PaUtil_CopyOutput(&stream->bufferProcessor, &buffer, frames);
- /* Write interleaved samples to SGI device. */
- alWriteFrames(stream->hostPortBuffOut.port, stream->hostPortBuffOut.buffer, n);
- frames -= n; /* alWriteFrames always returns 0. */
- }
- return paNoError;
-}
-
-
-static signed long GetStreamReadAvailable( PaStream* s )
-{
- return (signed long)alGetFilled(((PaSGIStream*)s)->hostPortBuffIn.port);
-}
-
-
-static signed long GetStreamWriteAvailable( PaStream* s )
-{
- return (signed long)alGetFillable(((PaSGIStream*)s)->hostPortBuffOut.port);
-}
-
-
-/* CVS reminder:
- To download the 'v19-devel' branch from portaudio's CVS server for the first time, type:
- cvs -d:pserver:anonymous@www.portaudio.com:/home/cvs checkout -r v19-devel portaudio
- Then 'cd' to the 'portaudio' directory that should have been created.
- To commit changes:
- cvs -d:pserver:pieter@www.portaudio.com:/home/cvs login
- cvs -d:pserver:pieter@www.portaudio.com:/home/cvs commit -m 'blabla.' -r v19-devel pa_sgi/pa_sgi.c
- cvs -d:pserver:pieter@www.portaudio.com:/home/cvs logout
- To see if someone else worked on something:
- cvs -d:pserver:anonymous@www.portaudio.com:/home/cvs update -r v19-devel
- To get an older revision of a certain file (without sticky business):
- cvs -d:pserver:anonymous@www.portaudio.com:/home/cvs update -p -r 1.1.1.1.2.4 pa_tests/patest1.c >pa_tests/patest1.c-OLD
- To see logs:
- cvs -d:pserver:anonymous@www.portaudio.com:/home/cvs log pa_common/pa_skeleton.c
-*/
diff --git a/src/audio/portaudio/pa_tests/README.txt b/src/audio/portaudio/pa_tests/README.txt
deleted file mode 100644
index f3a0b82264..0000000000
--- a/src/audio/portaudio/pa_tests/README.txt
+++ /dev/null
@@ -1,60 +0,0 @@
-This directory contains various programs to test PortAudio. The files
-named patest_* are tests, the files named debug_* are just scratch
-files that may or may not work.
-
-All following tests are up to date with the V19 API. They should all compile
-(without any warnings on GCC 3.3). Note that this does not necissarily mean that
-the tests pass, just that they compile.
-
- x- paqa_devs.c
- x- paqa_errs.c (needs reviewing)
- x- patest1.c
- x- patest_buffer.c
- x- patest_callbackstop.c
- x- patest_clip.c (last test fails, dither doesn't currently force clip in V19)
- x- patest_dither.c
- x- patest_hang.c
- x- patest_latency.c
- x- patest_leftright.c
- x- patest_longsine.c
- x- patest_many.c
- x- patest_maxsines.c
- o- patest_mono.c
- x- patest_multi_sine.c
- x- patest_pink.c
- x- patest_prime.c
- x- patest_read_record.c
- x- patest_record.c
- x- patest_ringmix.c
- x- patest_saw.c
- x- patest_sine.c
- x- patest_sine8.c
- x- patest_sine_formats.c
- x- patest_sine_time.c
- x- patest_start_stop.c
- x- patest_stop.c
- x- patest_sync.c
- x- patest_toomanysines.c
- o- patest_two_rates.c
- x- patest_underflow.c
- x- patest_wire.c
- x- patest_write_sine.c
- x- pa_devs.c
- x- pa_fuzz.c
- x- pa_minlat.c
-
-The debug_ files are still in V18 format and may need some V19 adaption.
-Feel free to fix them, most simply require adjusting to the new API.
-
-o- pa_tests/debug_convert.c
-o- pa_tests/debug_dither_calc.c
-o- pa_tests/debug_dual.c
-o- pa_tests/debug_multi_in.c
-o- pa_tests/debug_multi_out.c
-o- pa_tests/debug_record.c
-o- pa_tests/debug_record_reuse.c
-o- pa_tests/debug_sine.c
-o- pa_tests/debug_sine_amp.c
-o- pa_tests/debug_sine_formats.c
-o- pa_tests/debug_srate.c
-o- pa_tests/debug_test1.c
diff --git a/src/audio/portaudio/pa_tests/debug_convert.c b/src/audio/portaudio/pa_tests/debug_convert.c
deleted file mode 100644
index a17b556e48..0000000000
--- a/src/audio/portaudio/pa_tests/debug_convert.c
+++ /dev/null
@@ -1,131 +0,0 @@
-/*
- * $Id$
- * Convert tagged values.
- *
- * Author: Phil Burk <philburk@softsynth.com>
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.portaudio.com
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-#include <stdio.h>
-#include <math.h>
-#include "portaudio.h"
-#define OUTPUT_DEVICE (Pa_GetDefaultOutputDeviceID())
-//#define OUTPUT_DEVICE (11)
-#define NUM_SECONDS (8)
-#define SLEEP_DUR (800)
-#define SAMPLE_RATE (44100)
-#define FRAMES_PER_BUFFER (256)
-
-#define NUM_BUFFERS (0)
-
-typedef struct
-{
- unsigned int framesToGo;
-}
-paTestData;
-/* This routine will be called by the PortAudio engine when audio is needed.
-** It may called at interrupt level on some machines so don't do anything
-** that could mess up the system like calling malloc() or free().
-*/
-static int patestCallback( void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- PaTimestamp outTime, void *userData )
-{
- paTestData *data = (paTestData*)userData;
- short *out = (short*)outputBuffer;
- int i;
- int finished = 0;
- (void) outTime; /* Prevent unused variable warnings. */
- (void) inputBuffer;
-
- if( data->framesToGo < framesPerBuffer ) finished = 1;
-
- for( i=0; i<framesPerBuffer; i++ )
- {
- *out++ = 0x0000 + i; /* left */
- *out++ = 0x1000 + i; /* right */
- }
- return finished;
-}
-/*******************************************************************/
-int main(void);
-int main(void)
-{
- PortAudioStream *stream;
- PaError err;
- paTestData data;
- int i;
- int totalSamps;
- printf("PortAudio Test: output debug values\n" );
- data.framesToGo = totalSamps = NUM_SECONDS * SAMPLE_RATE; /* Play for a few seconds. */
- printf("totalSamps = %d\n", totalSamps );
- err = Pa_Initialize();
- if( err != paNoError ) goto error;
- printf("PortAudio Test: output device = %d\n", OUTPUT_DEVICE );
-
- err = Pa_OpenStream(
- &stream,
- paNoDevice,
- 0, /* no input */
- paFloat32, /* 32 bit floating point input */
- NULL,
- OUTPUT_DEVICE,
- 2, /* stereo output */
- paInt16, /* 32 bit floating point output */
- NULL,
- SAMPLE_RATE,
- FRAMES_PER_BUFFER,
- NUM_BUFFERS, /* number of buffers, if zero then use default minimum */
- paClipOff|paDitherOff, /* we won't output out of range samples so don't bother clipping them */
- patestCallback,
- &data );
- if( err != paNoError ) goto error;
-
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto error;
- printf("Is callback being called?\n");
- for( i=0; i<((NUM_SECONDS+1)*1000); i+=SLEEP_DUR )
- {
- printf("data.framesToGo = %d\n", data.framesToGo ); fflush(stdout);
- Pa_Sleep( SLEEP_DUR );
- }
- /* Stop sound until ENTER hit. */
- printf("Call Pa_StopStream()\n");
- err = Pa_StopStream( stream );
- if( err != paNoError ) goto error;
- Pa_Terminate();
- printf("Test finished.\n");
- return err;
-error:
- Pa_Terminate();
- fprintf( stderr, "An error occured while using the portaudio stream\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- return err;
-}
diff --git a/src/audio/portaudio/pa_tests/debug_dither_calc.c b/src/audio/portaudio/pa_tests/debug_dither_calc.c
deleted file mode 100644
index 1b24760996..0000000000
--- a/src/audio/portaudio/pa_tests/debug_dither_calc.c
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
- * $Id$
- * Test Dither calculations.
- *
- * Author: Phil Burk http://www.softsynth.com
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.portaudio.com
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-#include <stdio.h>
-#include <math.h>
-#include "portaudio.h"
-#include "pa_host.h"
-
-/*******************************************************************/
-int main(void);
-int main(void)
-{
- long max,min;
- int i;
-
- for( i=0; i<10000; i++ )
- {
- long dither = PaConvert_TriangularDither();
- // printf("dither = 0x%08X\n", dither );
- if( dither < min ) min = dither;
- else if( dither > max ) max = dither;
- }
- printf("min = 0x%08X = %d, max = 0x%08X = %d\n", min, min, max, max );
-}
diff --git a/src/audio/portaudio/pa_tests/debug_dual.c b/src/audio/portaudio/pa_tests/debug_dual.c
deleted file mode 100644
index 35ba032d01..0000000000
--- a/src/audio/portaudio/pa_tests/debug_dual.c
+++ /dev/null
@@ -1,183 +0,0 @@
-/*
- * $Id$
- * debug_dual.c
- * Try to open TWO streams on separate cards.
- * Play a sine sweep using the Portable Audio api for several seconds.
- * Hacked test for debugging PA.
- *
- * Author: Phil Burk <philburk@softsynth.com>
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.portaudio.com
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-#include <stdio.h>
-#include <math.h>
-#include "portaudio.h"
-#define DEV_ID_1 (13)
-#define DEV_ID_2 (15)
-#define NUM_SECONDS (8)
-#define SLEEP_DUR (800)
-#define SAMPLE_RATE (44100)
-#define FRAMES_PER_BUFFER (256)
-#if 0
-#define MIN_LATENCY_MSEC (200)
-#define NUM_BUFFERS ((MIN_LATENCY_MSEC * SAMPLE_RATE) / (FRAMES_PER_BUFFER * 1000))
-#else
-#define NUM_BUFFERS (0)
-#endif
-#define MIN_FREQ (100.0f)
-#define MAX_FREQ (4000.0f)
-#define FREQ_SCALAR (1.00002f)
-#define CalcPhaseIncrement(freq) (freq/SAMPLE_RATE)
-#ifndef M_PI
-#define M_PI (3.14159265)
-#endif
-#define TABLE_SIZE (400)
-typedef struct
-{
- float sine[TABLE_SIZE + 1]; // add one for guard point for interpolation
- float phase_increment;
- float left_phase;
- float right_phase;
-}
-paTestData;
-/* Convert phase between and 1.0 to sine value
- * using linear interpolation.
- */
-float LookupSine( paTestData *data, float phase );
-float LookupSine( paTestData *data, float phase )
-{
- float fIndex = phase*TABLE_SIZE;
- int index = (int) fIndex;
- float fract = fIndex - index;
- float lo = data->sine[index];
- float hi = data->sine[index+1];
- float val = lo + fract*(hi-lo);
- return val;
-}
-/* This routine will be called by the PortAudio engine when audio is needed.
-** It may called at interrupt level on some machines so don't do anything
-** that could mess up the system like calling malloc() or free().
-*/
-static int patestCallback( void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- PaTimestamp outTime, void *userData )
-{
- paTestData *data = (paTestData*)userData;
- float *out = (float*)outputBuffer;
- unsigned long i;
- int finished = 0;
- (void) outTime; /* Prevent unused variable warnings. */
- (void) inputBuffer;
-
-
- for( i=0; i<framesPerBuffer; i++ )
- {
- *out++ = LookupSine(data, data->left_phase); /* left */
- *out++ = LookupSine(data, data->right_phase); /* right */
- data->left_phase += data->phase_increment;
- if( data->left_phase >= 1.0f ) data->left_phase -= 1.0f;
- data->right_phase += (data->phase_increment * 1.5f); /* fifth above */
- if( data->right_phase >= 1.0f ) data->right_phase -= 1.0f;
- /* sweep frequency then start over. */
- data->phase_increment *= FREQ_SCALAR;
- if( data->phase_increment > CalcPhaseIncrement(MAX_FREQ) ) data->phase_increment = CalcPhaseIncrement(MIN_FREQ);
- }
- return 0;
-}
-
-PaError TestStart( PortAudioStream **streamPtr, PaDeviceID devID,
- paTestData *data );
-/*******************************************************************/
-int main(void);
-int main(void)
-{
- PortAudioStream *stream1, *stream2;
- PaError err;
- paTestData DATA1, DATA2;
- printf("PortAudio Test: DUAL sine sweep. ask for %d buffers\n", NUM_BUFFERS );
- err = Pa_Initialize();
- if( err != paNoError ) goto error;
- err = TestStart( &stream1, DEV_ID_1, &DATA1 );
- if( err != paNoError ) goto error;
- err = TestStart( &stream2, DEV_ID_2, &DATA2 );
- if( err != paNoError ) goto error;
- printf("Hit ENTER\n");
- getchar();
- err = Pa_StopStream( stream1 );
- if( err != paNoError ) goto error;
- err = Pa_StopStream( stream2 );
- if( err != paNoError ) goto error;
- Pa_Terminate();
- printf("Test finished.\n");
- return err;
-error:
- Pa_Terminate();
- fprintf( stderr, "An error occured while using the portaudio stream\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- return err;
-}
-PaError TestStart( PortAudioStream **streamPtr, PaDeviceID devID, paTestData *data )
-{
- PortAudioStream *stream;
- PaError err;
- int i;
- /* initialise sinusoidal wavetable */
- for( i=0; i<TABLE_SIZE; i++ )
- {
- data->sine[i] = (float) sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. );
- }
- data->sine[TABLE_SIZE] = data->sine[0]; // set guard point
- data->left_phase = data->right_phase = 0.0;
- data->phase_increment = CalcPhaseIncrement(MIN_FREQ);
- printf("PortAudio Test: output device = %d\n", devID );
- err = Pa_OpenStream(
- &stream,
- paNoDevice,
- 0, /* no input */
- paFloat32, /* 32 bit floating point input */
- NULL,
- devID,
- 2, /* stereo output */
- paFloat32, /* 32 bit floating point output */
- NULL,
- SAMPLE_RATE,
- FRAMES_PER_BUFFER,
- NUM_BUFFERS, /* number of buffers, if zero then use default minimum */
- paClipOff|paDitherOff, /* we won't output out of range samples so don't bother clipping them */
- patestCallback,
- data );
- if( err != paNoError ) goto error;
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto error;
- *streamPtr = stream;
- return 0;
-error:
- return err;
-}
diff --git a/src/audio/portaudio/pa_tests/debug_multi_in.c b/src/audio/portaudio/pa_tests/debug_multi_in.c
deleted file mode 100644
index def729c1b4..0000000000
--- a/src/audio/portaudio/pa_tests/debug_multi_in.c
+++ /dev/null
@@ -1,179 +0,0 @@
-/*
- * $Id$
- * debug_multi_in.c
- * Pass output from each of multiple channels
- * to a stereo output using the Portable Audio api.
- * Hacked test for debugging PA.
- *
- * Author: Phil Burk http://www.softsynth.com
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.portaudio.com
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-#include <stdio.h>
-#include <math.h>
-#include <string.h>
-#include "portaudio.h"
-//#define INPUT_DEVICE_NAME ("EWS88 MT Interleaved Rec")
-#define OUTPUT_DEVICE (Pa_GetDefaultOutputDeviceID())
-//#define OUTPUT_DEVICE (18)
-#define SAMPLE_RATE (22050)
-#define FRAMES_PER_BUFFER (256)
-#define MIN_LATENCY_MSEC (400)
-#define NUM_BUFFERS ((MIN_LATENCY_MSEC * SAMPLE_RATE) / (FRAMES_PER_BUFFER * 1000))
-#ifndef M_PI
-#define M_PI (3.14159265)
-#endif
-typedef struct
-{
- int liveChannel;
- int numChannels;
-}
-paTestData;
-/* This routine will be called by the PortAudio engine when audio is needed.
-** It may called at interrupt level on some machines so don't do anything
-** that could mess up the system like calling malloc() or free().
-*/
-static int patestCallback( void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- PaTimestamp outTime, void *userData )
-{
- paTestData *data = (paTestData*)userData;
- float *out = (float*)outputBuffer;
- float *in = (float*)inputBuffer;
- int i;
- int finished = 0;
- (void) outTime; /* Prevent unused variable warnings. */
- (void) inputBuffer;
-
- if( in == NULL ) return 0;
- for( i=0; i<(int)framesPerBuffer; i++ )
- {
- /* Copy one channel of input to output. */
- *out++ = in[data->liveChannel];
- *out++ = in[data->liveChannel];
- in += data->numChannels;
- }
- return 0;
-}
-/*******************************************************************/
-int PaFindDeviceByName( const char *name )
-{
- int i;
- int numDevices;
- const PaDeviceInfo *pdi;
- int len = strlen( name );
- PaDeviceID result = paNoDevice;
- numDevices = Pa_CountDevices();
- for( i=0; i<numDevices; i++ )
- {
- pdi = Pa_GetDeviceInfo( i );
- if( strncmp( name, pdi->name, len ) == 0 )
- {
- result = i;
- break;
- }
- }
- return result;
-}
-/*******************************************************************/
-int main(void);
-int main(void)
-{
- PortAudioStream *stream;
- PaError err;
- paTestData data;
- int i;
- PaDeviceID inputDevice;
- const PaDeviceInfo *pdi;
- printf("PortAudio Test: input signal from each channel. %d buffers\n", NUM_BUFFERS );
- data.liveChannel = 0;
- err = Pa_Initialize();
- if( err != paNoError ) goto error;
-#ifdef INPUT_DEVICE_NAME
- printf("Try to use device: %s\n", INPUT_DEVICE_NAME );
- inputDevice = PaFindDeviceByName(INPUT_DEVICE_NAME);
- if( inputDevice == paNoDevice )
- {
- printf("Could not find %s. Using default instead.\n", INPUT_DEVICE_NAME );
- inputDevice = Pa_GetDefaultInputDeviceID();
- }
-#else
- printf("Using default input device.\n");
- inputDevice = Pa_GetDefaultInputDeviceID();
-#endif
- pdi = Pa_GetDeviceInfo( inputDevice );
- if( pdi == NULL )
- {
- printf("Could not get device info!\n");
- goto error;
- }
- data.numChannels = pdi->maxInputChannels;
- printf("Input Device name is %s\n", pdi->name );
- printf("Input Device has %d channels.\n", pdi->maxInputChannels);
- err = Pa_OpenStream(
- &stream,
- inputDevice,
- pdi->maxInputChannels,
- paFloat32, /* 32 bit floating point input */
- NULL,
- OUTPUT_DEVICE,
- 2,
- paFloat32, /* 32 bit floating point output */
- NULL,
- SAMPLE_RATE,
- FRAMES_PER_BUFFER, /* frames per buffer */
- NUM_BUFFERS, /* number of buffers, if zero then use default minimum */
- paClipOff, /* we won't output out of range samples so don't bother clipping them */
- patestCallback,
- &data );
- if( err != paNoError ) goto error;
- data.liveChannel = 0;
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto error;
- for( i=0; i<data.numChannels; i++ )
- {
- data.liveChannel = i;
- printf("Channel %d being sent to output. Hit ENTER for next channel.", i );
- fflush(stdout);
- getchar();
- }
- err = Pa_StopStream( stream );
- if( err != paNoError ) goto error;
-
- err = Pa_CloseStream( stream );
- Pa_Terminate();
- printf("Test finished.\n");
- return err;
-error:
- Pa_Terminate();
- fprintf( stderr, "An error occured while using the portaudio stream\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- return err;
-}
diff --git a/src/audio/portaudio/pa_tests/debug_multi_out.c b/src/audio/portaudio/pa_tests/debug_multi_out.c
deleted file mode 100644
index d230833203..0000000000
--- a/src/audio/portaudio/pa_tests/debug_multi_out.c
+++ /dev/null
@@ -1,144 +0,0 @@
-/*
- * $Id$
- * debug_multi_out.c
- * Play a different sine wave on each channels,
- * using the Portable Audio api.
- *
- * Author: Phil Burk http://www.softsynth.com
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.portaudio.com
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-#include <stdio.h>
-#include <math.h>
-#include "portaudio.h"
-
-#define OUTPUT_DEVICE (Pa_GetDefaultOutputDeviceID())
-#define SAMPLE_RATE (44100)
-#define FRAMES_PER_BUFFER (256)
-#define FREQ_INCR (300.0 / SAMPLE_RATE)
-#define MAX_CHANNELS (64)
-
-#ifndef M_PI
-#define M_PI (3.14159265)
-#endif
-
-typedef struct
-{
- int numChannels;
- double phases[MAX_CHANNELS];
-}
-paTestData;
-
-/* This routine will be called by the PortAudio engine when audio is needed.
-** It may called at interrupt level on some machines so don't do anything
-** that could mess up the system like calling malloc() or free().
-*/
-static int patestCallback( void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- PaTimestamp outTime, void *userData )
-{
- paTestData *data = (paTestData*)userData;
- float *out = (float*)outputBuffer;
- int frameIndex, channelIndex;
- int finished = 0;
- (void) outTime; /* Prevent unused variable warnings. */
- (void) inputBuffer;
-
- for( frameIndex=0; frameIndex<(int)framesPerBuffer; frameIndex++ )
- {
- for( channelIndex=0; channelIndex<data->numChannels; channelIndex++ )
- {
- /* Output sine wave on every channel. */
- *out++ = (float) sin(data->phases[channelIndex]);
-
- /* Play each channel at a higher frequency. */
- data->phases[channelIndex] += FREQ_INCR * (4 + channelIndex);
- if( data->phases[channelIndex] >= (2.0 * M_PI) ) data->phases[channelIndex] -= (2.0 * M_PI);
- }
- }
-
- return 0;
-}
-/*******************************************************************/
-int main(void);
-int main(void)
-{
- PortAudioStream *stream;
- PaError err;
- const PaDeviceInfo *pdi;
- paTestData data = {0};
- printf("PortAudio Test: output sine wave on each channel.\n" );
-
- err = Pa_Initialize();
- if( err != paNoError ) goto error;
-
- pdi = Pa_GetDeviceInfo( OUTPUT_DEVICE );
- data.numChannels = pdi->maxOutputChannels;
- if( data.numChannels > MAX_CHANNELS ) data.numChannels = MAX_CHANNELS;
- printf("Number of Channels = %d\n", data.numChannels );
-
- err = Pa_OpenStream(
- &stream,
- paNoDevice, /* default input device */
- 0, /* no input */
- paFloat32, /* 32 bit floating point input */
- NULL,
- OUTPUT_DEVICE,
- data.numChannels,
- paFloat32, /* 32 bit floating point output */
- NULL,
- SAMPLE_RATE,
- FRAMES_PER_BUFFER, /* frames per buffer */
- 0, /* number of buffers, if zero then use default minimum */
- paClipOff, /* we won't output out of range samples so don't bother clipping them */
- patestCallback,
- &data );
- if( err != paNoError ) goto error;
-
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto error;
-
- printf("Hit ENTER to stop sound.\n");
- fflush(stdout);
- getchar();
-
- err = Pa_StopStream( stream );
- if( err != paNoError ) goto error;
-
- Pa_CloseStream( stream );
- Pa_Terminate();
- printf("Test finished.\n");
- return err;
-error:
- Pa_Terminate();
- fprintf( stderr, "An error occured while using the portaudio stream\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- return err;
-}
diff --git a/src/audio/portaudio/pa_tests/debug_record.c b/src/audio/portaudio/pa_tests/debug_record.c
deleted file mode 100644
index 57b11f581f..0000000000
--- a/src/audio/portaudio/pa_tests/debug_record.c
+++ /dev/null
@@ -1,339 +0,0 @@
-/*
- * $Id$
- * debug_record.c
- * Record input into an array.
- * Save array to a file.
- * Based on patest_record.c but with various ugly debug hacks thrown in.
- *
- * Author: Phil Burk http://www.softsynth.com
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.portaudio.com
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-#include <stdio.h>
-#include <stdlib.h>
-#include <memory.h>
-#include "portaudio.h"
-#define SAMPLE_RATE (22050)
-#define NUM_SECONDS (10)
-#define SLEEP_DUR_MSEC (200)
-#define FRAMES_PER_BUFFER (1<<10)
-#define NUM_REC_BUFS (0)
-
-#if 1
-#define PA_SAMPLE_TYPE paFloat32
-typedef float SAMPLE;
-#else
-#define PA_SAMPLE_TYPE paInt16
-typedef short SAMPLE;
-#endif
-
-typedef struct
-{
- long frameIndex; /* Index into sample array. */
- long maxFrameIndex;
- long samplesPerFrame;
- long numSamples;
- SAMPLE *recordedSamples;
-}
-paTestData;
-/* This routine will be called by the PortAudio engine when audio is needed.
-** It may be called at interrupt level on some machines so don't do anything
-** that could mess up the system like calling malloc() or free().
-*/
-static int recordCallback( void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- PaTimestamp outTime, void *userData )
-{
- paTestData *data = (paTestData*)userData;
- SAMPLE *rptr = (SAMPLE*)inputBuffer;
- SAMPLE *wptr = &data->recordedSamples[data->frameIndex * data->samplesPerFrame];
- long framesToCalc;
- unsigned long i;
- int finished;
- unsigned long framesLeft = data->maxFrameIndex - data->frameIndex;
-
- (void) outputBuffer; /* Prevent unused variable warnings. */
- (void) outTime;
-
- if( framesLeft < framesPerBuffer )
- {
- framesToCalc = framesLeft;
- finished = 1;
- }
- else
- {
- framesToCalc = framesPerBuffer;
- finished = 0;
- }
- if( inputBuffer == NULL )
- {
- for( i=0; i<framesToCalc; i++ )
- {
- *wptr++ = 0; /* left */
- *wptr++ = 0; /* right */
- }
- }
- else
- {
- for( i=0; i<framesToCalc; i++ )
- {
- *wptr++ = *rptr++; /* left */
- *wptr++ = *rptr++; /* right */
- }
- }
- data->frameIndex += framesToCalc;
- return finished;
-}
-/* This routine will be called by the PortAudio engine when audio is needed.
-** It may be called at interrupt level on some machines so don't do anything
-** that could mess up the system like calling malloc() or free().
-*/
-static int playCallback( void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- PaTimestamp outTime, void *userData )
-{
- paTestData *data = (paTestData*)userData;
- SAMPLE *rptr = &data->recordedSamples[data->frameIndex * data->samplesPerFrame];
- SAMPLE *wptr = (SAMPLE*)outputBuffer;
- unsigned long i;
- int finished;
- unsigned int framesLeft = data->maxFrameIndex - data->frameIndex;
- if( outputBuffer == NULL ) return 0;
- (void) inputBuffer; /* Prevent unused variable warnings. */
- (void) outTime;
-
- if( framesLeft < framesPerBuffer )
- {
- /* final buffer... */
- for( i=0; i<framesLeft; i++ )
- {
- *wptr++ = *rptr++; /* left */
- *wptr++ = *rptr++; /* right */
- }
- for( ; i<framesPerBuffer; i++ )
- {
- *wptr++ = 0; /* left */
- *wptr++ = 0; /* right */
- }
- data->frameIndex += framesLeft;
- finished = 1;
- }
- else
- {
- for( i=0; i<framesPerBuffer; i++ )
- {
- *wptr++ = *rptr++; /* left */
- *wptr++ = *rptr++; /* right */
- }
- data->frameIndex += framesPerBuffer;
- finished = 0;
- }
- return finished;
-}
-
-/****************************************************************/
-PaError TestRecording( paTestData *dataPtr )
-{
- PortAudioStream *stream;
- PaError err;
- int i;
-
- /* Record some audio. */
- err = Pa_OpenStream(
- &stream,
- Pa_GetDefaultInputDeviceID(),
- dataPtr->samplesPerFrame, /* stereo input */
- PA_SAMPLE_TYPE,
- NULL,
- paNoDevice,
- 0,
- PA_SAMPLE_TYPE,
- NULL,
- SAMPLE_RATE,
- FRAMES_PER_BUFFER, /* frames per buffer */
- NUM_REC_BUFS, /* number of buffers, if zero then use default minimum */
- paClipOff, /* we won't output out of range samples so don't bother clipping them */
- recordCallback,
- dataPtr );
- if( err != paNoError ) goto error;
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto error;
-
- printf("Now recording!\n"); fflush(stdout);
- for( i=0; i<(NUM_SECONDS*1000/SLEEP_DUR_MSEC); i++ )
- {
- if( Pa_StreamActive( stream ) <= 0)
- {
- printf("Stream inactive!\n");
- break;
- }
- if( dataPtr->maxFrameIndex <= dataPtr->frameIndex )
- {
- printf("Buffer recording complete.\n");
- break;
- }
- Pa_Sleep(100);
- printf("index = %d\n", dataPtr->frameIndex ); fflush(stdout);
- }
-
- printf("Finished loop. Close stream.\n"); fflush(stdout);
-
- err = Pa_CloseStream( stream );
- if( err != paNoError ) goto error;
-
- printf("Done.\n"); fflush(stdout);
- {
- SAMPLE max = 0;
- SAMPLE posVal;
- int i;
- for( i=0; i<dataPtr->numSamples; i++ )
- {
- posVal = dataPtr->recordedSamples[i];
- if( posVal < 0 ) posVal = -posVal;
- if( posVal > max ) max = posVal;
- }
- printf("Largest recorded sample = %d\n", max );
- }
- /* Write recorded data to a file. */
-#if 0
- {
- FILE *fid;
- fid = fopen("recorded.raw", "wb");
- if( fid == NULL )
- {
- printf("Could not open file.");
- }
- else
- {
- fwrite( dataPtr->recordedSamples, dataPtr->samplesPerFrame * sizeof(SAMPLE), totalFrames, fid );
- fclose( fid );
- printf("Wrote data to 'recorded.raw'\n");
- }
- }
-#endif
-
-error:
- return err;
-}
-
-/****************************************************************/
-PaError TestPlayback( paTestData *dataPtr )
-{
- PortAudioStream *stream;
- PaError err;
- int i;
-
- /* Playback recorded data. */
- dataPtr->frameIndex = 0;
- printf("Begin playback.\n"); fflush(stdout);
- err = Pa_OpenStream(
- &stream,
- paNoDevice,
- 0, /* NO input */
- PA_SAMPLE_TYPE,
- NULL,
- Pa_GetDefaultOutputDeviceID(),
- dataPtr->samplesPerFrame, /* stereo output */
- PA_SAMPLE_TYPE,
- NULL,
- SAMPLE_RATE,
- FRAMES_PER_BUFFER, /* frames per buffer */
- 0, /* number of buffers, if zero then use default minimum */
- paClipOff, /* we won't output out of range samples so don't bother clipping them */
- playCallback,
- dataPtr );
- if( err != paNoError ) goto error;
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto error;
- printf("Waiting for playback to finish.\n"); fflush(stdout);
- for( i=0; i<(NUM_SECONDS*1000/SLEEP_DUR_MSEC); i++ )
- {
- Pa_Sleep(100);
- printf("index = %d\n", dataPtr->frameIndex );
- }
- err = Pa_CloseStream( stream );
- if( err != paNoError ) goto error;
-
-error:
- return err;
-}
-/*******************************************************************/
-int main(void);
-int main(void)
-{
- PaError err;
- paTestData data;
- long totalFrames;
- long numBytes;
- long i;
- printf("patest_record.c\n"); fflush(stdout);
-
- data.frameIndex = 0;
- data.samplesPerFrame = 2;
- data.maxFrameIndex = totalFrames = NUM_SECONDS*SAMPLE_RATE;
-
- printf("totalFrames = %d\n", totalFrames ); fflush(stdout);
- data.numSamples = totalFrames * data.samplesPerFrame;
-
- numBytes = data.numSamples * sizeof(SAMPLE);
- data.recordedSamples = (SAMPLE *) malloc( numBytes );
- if( data.recordedSamples == NULL )
- {
- printf("Could not allocate record array.\n");
- exit(1);
- }
- for( i=0; i<data.numSamples; i++ ) data.recordedSamples[i] = 0;
-
- err = Pa_Initialize();
- if( err != paNoError ) goto error;
-
- for( i=0; i<2; i++ )
- {
- err = TestRecording( &data );
- if( err != paNoError ) goto error;
-
- err = TestPlayback( &data );
- if( err != paNoError ) goto error;
- }
-
- free( data.recordedSamples );
- Pa_Terminate();
- return 0;
-
-error:
- Pa_Terminate();
- fprintf( stderr, "An error occured while using the portaudio stream\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- if( err == paHostError )
- {
- fprintf( stderr, "Host Error number: %d\n", Pa_GetHostError() );
- }
- return -1;
-}
diff --git a/src/audio/portaudio/pa_tests/debug_record_reuse.c b/src/audio/portaudio/pa_tests/debug_record_reuse.c
deleted file mode 100644
index 46f937d21b..0000000000
--- a/src/audio/portaudio/pa_tests/debug_record_reuse.c
+++ /dev/null
@@ -1,351 +0,0 @@
-/*
- * $Id$
- * debug_record_reuse.c
- * Record input into an array.
- * Save array to a file.
- * Based on patest_record.c but with various ugly debug hacks thrown in.
- * Loop twice and reuse same streams.
- *
- * Author: Phil Burk http://www.softsynth.com
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.portaudio.com
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-#include <stdio.h>
-#include <stdlib.h>
-#include <memory.h>
-#include "portaudio.h"
-#define SAMPLE_RATE (22050)
-#define NUM_SECONDS (4)
-#define SLEEP_DUR_MSEC (200)
-#define FRAMES_PER_BUFFER (256)
-#define NUM_REC_BUFS (0)
-
-#if 1
-#define PA_SAMPLE_TYPE paFloat32
-typedef float SAMPLE;
-#else
-#define PA_SAMPLE_TYPE paInt16
-typedef short SAMPLE;
-#endif
-
-typedef struct
-{
- long frameIndex; /* Index into sample array. */
- long maxFrameIndex;
- long samplesPerFrame;
- long numSamples;
- PortAudioStream *outputStream;
- PortAudioStream *inputStream;
- SAMPLE *recordedSamples;
-}
-paTestData;
-
-/* This routine will be called by the PortAudio engine when audio is needed.
-** It may be called at interrupt level on some machines so don't do anything
-** that could mess up the system like calling malloc() or free().
-*/
-static int recordCallback( void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- PaTimestamp outTime, void *userData )
-{
- paTestData *data = (paTestData*)userData;
- SAMPLE *rptr = (SAMPLE*)inputBuffer;
- SAMPLE *wptr = &data->recordedSamples[data->frameIndex * data->samplesPerFrame];
- long framesToCalc;
- unsigned long i;
- int finished;
- unsigned long framesLeft = data->maxFrameIndex - data->frameIndex;
-
- (void) outputBuffer; /* Prevent unused variable warnings. */
- (void) outTime;
-
- if( framesLeft < framesPerBuffer )
- {
- framesToCalc = framesLeft;
- finished = 1;
- }
- else
- {
- framesToCalc = framesPerBuffer;
- finished = 0;
- }
- if( inputBuffer == NULL )
- {
- for( i=0; i<framesToCalc; i++ )
- {
- *wptr++ = 0; /* left */
- *wptr++ = 0; /* right */
- }
- }
- else
- {
- for( i=0; i<framesToCalc; i++ )
- {
- *wptr++ = *rptr++; /* left */
- *wptr++ = *rptr++; /* right */
- }
- }
- data->frameIndex += framesToCalc;
- return finished;
-}
-
-/* This routine will be called by the PortAudio engine when audio is needed.
-** It may be called at interrupt level on some machines so don't do anything
-** that could mess up the system like calling malloc() or free().
-*/
-static int playCallback( void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- PaTimestamp outTime, void *userData )
-{
- paTestData *data = (paTestData*)userData;
- SAMPLE *rptr = &data->recordedSamples[data->frameIndex * data->samplesPerFrame];
- SAMPLE *wptr = (SAMPLE*)outputBuffer;
- unsigned long i;
- int finished;
- unsigned int framesLeft = data->maxFrameIndex - data->frameIndex;
- if( outputBuffer == NULL ) return 0;
- (void) inputBuffer; /* Prevent unused variable warnings. */
- (void) outTime;
-
- if( framesLeft < framesPerBuffer )
- {
- /* final buffer... */
- for( i=0; i<framesLeft; i++ )
- {
- *wptr++ = *rptr++; /* left */
- *wptr++ = *rptr++; /* right */
- }
- for( ; i<framesPerBuffer; i++ )
- {
- *wptr++ = 0; /* left */
- *wptr++ = 0; /* right */
- }
- data->frameIndex += framesLeft;
- finished = 1;
- }
- else
- {
- for( i=0; i<framesPerBuffer; i++ )
- {
- *wptr++ = *rptr++; /* left */
- *wptr++ = *rptr++; /* right */
- }
- data->frameIndex += framesPerBuffer;
- finished = 0;
- }
- return finished;
-}
-
-/****************************************************************/
-PaError TestRecording( paTestData *dataPtr )
-{
- PaError err;
- int i;
- int lastIndex = 0;
-
-/* Open input stream if not already open. */
- if( dataPtr->inputStream == NULL )
- {
- /* Record some audio. */
- err = Pa_OpenStream(
- &dataPtr->inputStream,
- Pa_GetDefaultInputDeviceID(),
- dataPtr->samplesPerFrame, /* stereo input */
- PA_SAMPLE_TYPE,
- NULL,
- paNoDevice,
- 0,
- PA_SAMPLE_TYPE,
- NULL,
- SAMPLE_RATE,
- FRAMES_PER_BUFFER, /* frames per buffer */
- NUM_REC_BUFS, /* number of buffers, if zero then use default minimum */
- paClipOff, /* we won't output out of range samples so don't bother clipping them */
- recordCallback,
- dataPtr );
- if( err != paNoError ) goto error;
- }
-
- dataPtr->frameIndex = 0;
-
- err = Pa_StartStream( dataPtr->inputStream );
- if( err != paNoError ) goto error;
-
- printf("Now recording!\n"); fflush(stdout);
- for( i=0; i<(NUM_SECONDS*1000/SLEEP_DUR_MSEC); i++ )
- {
- int frameIndex, delta;
- Pa_Sleep(SLEEP_DUR_MSEC);
-
- frameIndex = dataPtr->frameIndex;
- if( Pa_StreamActive( dataPtr->inputStream ) <= 0)
- {
- printf("Stream inactive!\n");
- break;
- }
- if( dataPtr->maxFrameIndex <= frameIndex )
- {
- printf("Buffer recording complete.\n");
- break;
- }
-
- delta = frameIndex - lastIndex;
- lastIndex = frameIndex;
- printf("index = %d, delta = %d\n", frameIndex, delta ); fflush(stdout);
- }
-
- err = Pa_StopStream( dataPtr->inputStream );
- if( err != paNoError ) goto error;
-
- printf("Done.\n"); fflush(stdout);
-
-error:
- return err;
-}
-
-/****************************************************************/
-PaError TestPlayback( paTestData *dataPtr )
-{
- PaError err;
- int i;
- int lastIndex = 0;
-
- /* Playback recorded data. */
- dataPtr->frameIndex = 0;
- printf("Begin playback.\n"); fflush(stdout);
-
-/* Open output stream if not already open. */
- if( dataPtr->outputStream == NULL )
- {
- err = Pa_OpenStream(
- &dataPtr->outputStream,
- paNoDevice,
- 0, /* NO input */
- PA_SAMPLE_TYPE,
- NULL,
- Pa_GetDefaultOutputDeviceID(),
- dataPtr->samplesPerFrame, /* stereo output */
- PA_SAMPLE_TYPE,
- NULL,
- SAMPLE_RATE,
- FRAMES_PER_BUFFER, /* frames per buffer */
- 0, /* number of buffers, if zero then use default minimum */
- paClipOff, /* we won't output out of range samples so don't bother clipping them */
- playCallback,
- dataPtr );
- if( err != paNoError ) goto error;
- }
-
- err = Pa_StartStream( dataPtr->outputStream );
- if( err != paNoError ) goto error;
-
- printf("Waiting for playback to finish.\n"); fflush(stdout);
- for( i=0; i<(NUM_SECONDS*1000/SLEEP_DUR_MSEC); i++ )
- {
- int frameIndex, delta;
- Pa_Sleep(SLEEP_DUR_MSEC);
- frameIndex = dataPtr->frameIndex;
- delta = frameIndex - lastIndex;
- lastIndex = frameIndex;
- printf("index = %d, delta = %d\n", frameIndex, delta ); fflush(stdout);
- }
-
- err = Pa_StopStream( dataPtr->outputStream );
- if( err != paNoError ) goto error;
-
-error:
- return err;
-}
-/*******************************************************************/
-int main(void);
-int main(void)
-{
- PaError err;
- paTestData data = { 0 };
- long totalFrames;
- long numBytes;
- long i;
- printf("patest_record.c\n"); fflush(stdout);
-
-/* Set up test data structure and sample array. */
- data.frameIndex = 0;
- data.samplesPerFrame = 2;
- data.maxFrameIndex = totalFrames = NUM_SECONDS*SAMPLE_RATE;
-
- printf("totalFrames = %d\n", totalFrames ); fflush(stdout);
- data.numSamples = totalFrames * data.samplesPerFrame;
-
- numBytes = data.numSamples * sizeof(SAMPLE);
- data.recordedSamples = (SAMPLE *) malloc( numBytes );
- if( data.recordedSamples == NULL )
- {
- printf("Could not allocate record array.\n");
- exit(1);
- }
- for( i=0; i<data.numSamples; i++ ) data.recordedSamples[i] = 0;
-
- err = Pa_Initialize();
- if( err != paNoError ) goto error;
-
-/* Record and playback multiple times. */
- for( i=0; i<2; i++ )
- {
- err = TestRecording( &data );
- if( err != paNoError ) goto error;
-
- err = TestPlayback( &data );
- if( err != paNoError ) goto error;
- }
-
-/* Clean up. */
- err = Pa_CloseStream( data.inputStream );
- if( err != paNoError ) goto error;
-
- err = Pa_CloseStream( data.outputStream );
- if( err != paNoError ) goto error;
-
- if( err != paNoError ) goto error;
-
- free( data.recordedSamples );
- Pa_Terminate();
-
- printf("Test complete.\n"); fflush(stdout);
- return 0;
-
-error:
- Pa_Terminate();
- fprintf( stderr, "An error occured while using the portaudio stream\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- if( err == paHostError )
- {
- fprintf( stderr, "Host Error number: %d\n", Pa_GetHostError() );
- }
- return -1;
-}
diff --git a/src/audio/portaudio/pa_tests/debug_sine.c b/src/audio/portaudio/pa_tests/debug_sine.c
deleted file mode 100644
index 86610d3f6a..0000000000
--- a/src/audio/portaudio/pa_tests/debug_sine.c
+++ /dev/null
@@ -1,192 +0,0 @@
-/*
- * $Id$
- * debug_sine.c
- * Play a sine sweep using the Portable Audio api for several seconds.
- * Hacked test for debugging PA.
- *
- * Author: Phil Burk <philburk@softsynth.com>
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.portaudio.com
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-#include <stdio.h>
-#include <math.h>
-#include "portaudio.h"
-#define OUTPUT_DEVICE (Pa_GetDefaultOutputDeviceID())
-//#define OUTPUT_DEVICE (11)
-#define NUM_SECONDS (8)
-#define SLEEP_DUR (800)
-#define SAMPLE_RATE (44100)
-#define FRAMES_PER_BUFFER (256)
-#if 0
-#define MIN_LATENCY_MSEC (200)
-#define NUM_BUFFERS ((MIN_LATENCY_MSEC * SAMPLE_RATE) / (FRAMES_PER_BUFFER * 1000))
-#else
-#define NUM_BUFFERS (0)
-#endif
-#define MIN_FREQ (100.0f)
-#define MAX_FREQ (4000.0f)
-#define FREQ_SCALAR (1.00002f)
-#define CalcPhaseIncrement(freq) (freq/SAMPLE_RATE)
-#ifndef M_PI
-#define M_PI (3.14159265)
-#endif
-#define TABLE_SIZE (400)
-typedef struct
-{
- float sine[TABLE_SIZE + 1]; // add one for guard point for interpolation
- float phase_increment;
- float left_phase;
- float right_phase;
- unsigned int framesToGo;
-}
-paTestData;
-/* Convert phase between and 1.0 to sine value
- * using linear interpolation.
- */
-float LookupSine( paTestData *data, float phase );
-float LookupSine( paTestData *data, float phase )
-{
- float fIndex = phase*TABLE_SIZE;
- int index = (int) fIndex;
- float fract = fIndex - index;
- float lo = data->sine[index];
- float hi = data->sine[index+1];
- float val = lo + fract*(hi-lo);
- return val;
-}
-/* This routine will be called by the PortAudio engine when audio is needed.
-** It may called at interrupt level on some machines so don't do anything
-** that could mess up the system like calling malloc() or free().
-*/
-static int patestCallback( void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- PaTimestamp outTime, void *userData )
-{
- paTestData *data = (paTestData*)userData;
- float *out = (float*)outputBuffer;
- int framesToCalc;
- int i;
- int finished = 0;
- (void) outTime; /* Prevent unused variable warnings. */
- (void) inputBuffer;
-
- if( data->framesToGo < framesPerBuffer )
- {
- framesToCalc = data->framesToGo;
- data->framesToGo = 0;
- finished = 1;
- }
- else
- {
- framesToCalc = framesPerBuffer;
- data->framesToGo -= framesPerBuffer;
- }
-
- for( i=0; i<framesToCalc; i++ )
- {
- *out++ = LookupSine(data, data->left_phase); /* left */
- *out++ = LookupSine(data, data->right_phase); /* right */
- data->left_phase += data->phase_increment;
- if( data->left_phase >= 1.0f ) data->left_phase -= 1.0f;
- data->right_phase += (data->phase_increment * 1.5f); /* fifth above */
- if( data->right_phase >= 1.0f ) data->right_phase -= 1.0f;
- /* sweep frequency then start over. */
- data->phase_increment *= FREQ_SCALAR;
- if( data->phase_increment > CalcPhaseIncrement(MAX_FREQ) ) data->phase_increment = CalcPhaseIncrement(MIN_FREQ);
- }
- /* zero remainder of final buffer */
- for( ; i<(int)framesPerBuffer; i++ )
- {
- *out++ = 0; /* left */
- *out++ = 0; /* right */
- }
- return finished;
-}
-/*******************************************************************/
-int main(void);
-int main(void)
-{
- PortAudioStream *stream;
- PaError err;
- paTestData data;
- int i;
- int totalSamps;
- printf("PortAudio Test: output sine sweep. ask for %d buffers\n", NUM_BUFFERS );
- /* initialise sinusoidal wavetable */
- for( i=0; i<TABLE_SIZE; i++ )
- {
- data.sine[i] = (float) sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. );
- }
- data.sine[TABLE_SIZE] = data.sine[0]; // set guard point
- data.left_phase = data.right_phase = 0.0;
- data.phase_increment = CalcPhaseIncrement(MIN_FREQ);
- data.framesToGo = totalSamps = NUM_SECONDS * SAMPLE_RATE; /* Play for a few seconds. */
- printf("totalSamps = %d\n", totalSamps );
- err = Pa_Initialize();
- if( err != paNoError ) goto error;
- printf("PortAudio Test: output device = %d\n", OUTPUT_DEVICE );
- err = Pa_OpenStream(
- &stream,
- paNoDevice,
- 0, /* no input */
- paFloat32, /* 32 bit floating point input */
- NULL,
- OUTPUT_DEVICE,
- 2, /* stereo output */
- paFloat32, /* 32 bit floating point output */
- NULL,
- SAMPLE_RATE,
- FRAMES_PER_BUFFER,
- NUM_BUFFERS, /* number of buffers, if zero then use default minimum */
- paClipOff|paDitherOff, /* we won't output out of range samples so don't bother clipping them */
- patestCallback,
- &data );
- if( err != paNoError ) goto error;
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto error;
- printf("Is callback being called?\n");
- for( i=0; i<((NUM_SECONDS+1)*1000); i+=SLEEP_DUR )
- {
- printf("data.framesToGo = %d\n", data.framesToGo ); fflush(stdout);
- Pa_Sleep( SLEEP_DUR );
- }
- /* Stop sound until ENTER hit. */
- printf("Call Pa_StopStream()\n");
- err = Pa_StopStream( stream );
- if( err != paNoError ) goto error;
- Pa_Terminate();
- printf("Test finished.\n");
- return err;
-error:
- Pa_Terminate();
- fprintf( stderr, "An error occured while using the portaudio stream\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- return err;
-}
diff --git a/src/audio/portaudio/pa_tests/debug_sine_amp.c b/src/audio/portaudio/pa_tests/debug_sine_amp.c
deleted file mode 100644
index ceaf572387..0000000000
--- a/src/audio/portaudio/pa_tests/debug_sine_amp.c
+++ /dev/null
@@ -1,157 +0,0 @@
-/*
- * $Id$
- * Play a different sine wave on each channels,
- * using the Portable Audio api.
- * Allos amplitude to be set interactively.
- *
- * Author: Phil Burk http://www.softsynth.com
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.portaudio.com
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-#include <stdio.h>
-#include <math.h>
-#include "portaudio.h"
-
-#define OUTPUT_DEVICE (Pa_GetDefaultOutputDeviceID())
-#define SAMPLE_RATE (44100)
-#define FRAMES_PER_BUFFER (256)
-#define FREQ_INCR (300.0 / SAMPLE_RATE)
-#define MAX_CHANNELS (64)
-
-#ifndef M_PI
-#define M_PI (3.14159265)
-#endif
-
-typedef struct
-{
- int numChannels;
- double phases[MAX_CHANNELS];
- float amplitude;
-}
-paTestData;
-
-/* This routine will be called by the PortAudio engine when audio is needed.
-** It may called at interrupt level on some machines so don't do anything
-** that could mess up the system like calling malloc() or free().
-*/
-static int patestCallback( void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- PaTimestamp outTime, void *userData )
-{
- paTestData *data = (paTestData*)userData;
- float *out = (float*)outputBuffer;
- int frameIndex, channelIndex;
- (void) outTime; /* Prevent unused variable warnings. */
- (void) inputBuffer;
-
- for( frameIndex=0; frameIndex<(int)framesPerBuffer; frameIndex++ )
- {
- for( channelIndex=0; channelIndex<data->numChannels; channelIndex++ )
- {
- /* Output sine wave on every channel. */
- *out++ = (float) ( data->amplitude * sin(data->phases[channelIndex]) );
-
- /* Play each channel at a higher frequency. */
- data->phases[channelIndex] += FREQ_INCR * (4 + channelIndex);
- if( data->phases[channelIndex] >= (2.0 * M_PI) ) data->phases[channelIndex] -= (2.0 * M_PI);
- }
- }
-
- return 0;
-}
-/*******************************************************************/
-int main(void);
-int main(void)
-{
- char pad[256];
- PortAudioStream *stream;
- PaError err;
- const PaDeviceInfo *pdi;
- paTestData data = {0};
- printf("PortAudio Test: output sine wave on each channel.\n" );
-
- err = Pa_Initialize();
- if( err != paNoError ) goto error;
-
- pdi = Pa_GetDeviceInfo( OUTPUT_DEVICE );
- data.numChannels = pdi->maxOutputChannels;
- if( data.numChannels > MAX_CHANNELS ) data.numChannels = MAX_CHANNELS;
- printf("Number of Channels = %d\n", data.numChannels );
- data.amplitude = 1.0;
-
- err = Pa_OpenStream(
- &stream,
- paNoDevice, /* default input device */
- 0, /* no input */
- paFloat32, /* 32 bit floating point input */
- NULL,
- OUTPUT_DEVICE,
- data.numChannels,
- paFloat32, /* 32 bit floating point output */
- NULL,
- SAMPLE_RATE,
- FRAMES_PER_BUFFER, /* frames per buffer */
- 0, /* number of buffers, if zero then use default minimum */
- paClipOff, /* we won't output out of range samples so don't bother clipping them */
- patestCallback,
- &data );
- if( err != paNoError ) goto error;
-
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto error;
-
- do
- {
- printf("Current amplitude = %f\n", data.amplitude );
- printf("Enter new amplitude or 'q' to quit.\n");
- fflush(stdout);
- gets( pad );
- if( pad[0] != 'q' )
- {
- // I tried to use atof but it seems to be broken on Mac OS X 10.1
- float amp;
- sscanf( pad, "%f", & );
- data.amplitude = amp;
- }
- } while( pad[0] != 'q' );
-
- err = Pa_StopStream( stream );
- if( err != paNoError ) goto error;
-
- Pa_CloseStream( stream );
- Pa_Terminate();
- printf("Test finished.\n");
- return err;
-error:
- Pa_Terminate();
- fprintf( stderr, "An error occured while using the portaudio stream\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- return err;
-}
diff --git a/src/audio/portaudio/pa_tests/debug_sine_formats.c b/src/audio/portaudio/pa_tests/debug_sine_formats.c
deleted file mode 100644
index a1fce567cc..0000000000
--- a/src/audio/portaudio/pa_tests/debug_sine_formats.c
+++ /dev/null
@@ -1,202 +0,0 @@
-/*
- * $Id$
- * patest_sine_formats.c
- * Play a sine wave using the Portable Audio api for several seconds.
- * Test various data formats.
- *
- * Author: Phil Burk
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.audiomulch.com/portaudio/
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-#include <stdio.h>
-#include <math.h>
-#include "portaudio.h"
-
-#define NUM_SECONDS (10)
-#define SAMPLE_RATE (44100)
-#define FRAMES_PER_BUFFER (256)
-
-#define LEFT_FREQ (SAMPLE_RATE/512.0) /* So we hit 1.0 */
-#define RIGHT_FREQ (500.0)
-
-#define AMPLITUDE (1.0)
-
-/* Select ONE format for testing. */
-#define TEST_UINT8 (1)
-#define TEST_INT8 (0)
-#define TEST_INT16 (0)
-#define TEST_FLOAT32 (0)
-
-#if TEST_UINT8
-#define TEST_FORMAT paUInt8
-typedef unsigned char SAMPLE_t;
-#define SAMPLE_ZERO (0x80)
-#define DOUBLE_TO_SAMPLE(x) (SAMPLE_ZERO + (SAMPLE_t)(127.0 * (x)))
-#define FORMAT_NAME "Unsigned 8 Bit"
-
-#elif TEST_INT8
-#define TEST_FORMAT paInt8
-typedef char SAMPLE_t;
-#define SAMPLE_ZERO (0)
-#define DOUBLE_TO_SAMPLE(x) (SAMPLE_ZERO + (SAMPLE_t)(127.0 * (x)))
-#define FORMAT_NAME "Signed 8 Bit"
-
-#elif TEST_INT16
-#define TEST_FORMAT paInt16
-typedef short SAMPLE_t;
-#define SAMPLE_ZERO (0)
-#define DOUBLE_TO_SAMPLE(x) (SAMPLE_ZERO + (SAMPLE_t)(32767 * (x)))
-#define FORMAT_NAME "Signed 16 Bit"
-
-#elif TEST_FLOAT32
-#define TEST_FORMAT paFloat32
-typedef float SAMPLE_t;
-#define SAMPLE_ZERO (0.0)
-#define DOUBLE_TO_SAMPLE(x) ((SAMPLE_t)(x))
-#define FORMAT_NAME "Float 32 Bit"
-#endif
-
-#ifndef M_PI
-#define M_PI (3.14159265)
-#endif
-
-
-typedef struct
-{
- double left_phase;
- double right_phase;
- unsigned int framesToGo;
-}
-paTestData;
-/* This routine will be called by the PortAudio engine when audio is needed.
-** It may called at interrupt level on some machines so don't do anything
-** that could mess up the system like calling malloc() or free().
-*/
-static int patestCallback( void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- PaTimestamp outTime, void *userData )
-{
- paTestData *data = (paTestData*)userData;
- SAMPLE_t *out = (SAMPLE_t *)outputBuffer;
- SAMPLE_t sample;
- int i;
- int framesToCalc;
- int finished = 0;
- (void) outTime; /* Prevent unused variable warnings. */
- (void) inputBuffer;
-
- if( data->framesToGo < framesPerBuffer )
- {
- framesToCalc = data->framesToGo;
- data->framesToGo = 0;
- finished = 1;
- }
- else
- {
- framesToCalc = framesPerBuffer;
- data->framesToGo -= framesPerBuffer;
- }
-
- for( i=0; i<framesToCalc; i++ )
- {
- data->left_phase += (LEFT_FREQ / SAMPLE_RATE);
- if( data->left_phase > 1.0) data->left_phase -= 1.0;
- sample = DOUBLE_TO_SAMPLE( AMPLITUDE * sin( (data->left_phase * M_PI * 2. ))); /**/
- *out++ = sample;
-/* *out++ = sample; /**/
-/* *out++ = 0; /**/
-
- data->right_phase += (RIGHT_FREQ / SAMPLE_RATE);
- if( data->right_phase > 1.0) data->right_phase -= 1.0;
- *out++ = DOUBLE_TO_SAMPLE( AMPLITUDE * sin( (data->right_phase * M_PI * 2. ))); /**/
-/* *out++ = 0; /* */
- }
- /* zero remainder of final buffer */
- for( ; i<(int)framesPerBuffer; i++ )
- {
- *out++ = SAMPLE_ZERO; /* left */
- *out++ = SAMPLE_ZERO; /* right */
- }
- return finished;
-}
-/*******************************************************************/
-int main(void);
-int main(void)
-{
- PortAudioStream *stream;
- PaError err;
- paTestData data;
- int totalSamps;
-
- printf("PortAudio Test: output " FORMAT_NAME "\n");
-
-
- data.left_phase = data.right_phase = 0.0;
- data.framesToGo = totalSamps = NUM_SECONDS * SAMPLE_RATE; /* Play for a few seconds. */
- err = Pa_Initialize();
- if( err != paNoError ) goto error;
-
- err = Pa_OpenStream(
- &stream,
- paNoDevice,/* default input device */
- 0, /* no input */
- TEST_FORMAT,
- NULL,
- Pa_GetDefaultOutputDeviceID(), /* default output device */
- 2, /* stereo output */
- TEST_FORMAT,
- NULL,
- SAMPLE_RATE,
- FRAMES_PER_BUFFER,
- 0, /* number of buffers, if zero then use default minimum */
- paClipOff, /* we won't output out of range samples so don't bother clipping them */
- patestCallback,
- &data );
- if( err != paNoError ) goto error;
-
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto error;
-
- printf("Waiting %d seconds for sound to finish.\n", NUM_SECONDS );
- while( Pa_StreamActive( stream ) ) Pa_Sleep(10);
-
- err = Pa_CloseStream( stream );
- if( err != paNoError ) goto error;
- Pa_Terminate();
-
- printf("PortAudio Test Finished: " FORMAT_NAME "\n");
-
- return err;
-error:
- Pa_Terminate();
- fprintf( stderr, "An error occured while using the portaudio stream\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- return err;
-}
diff --git a/src/audio/portaudio/pa_tests/debug_srate.c b/src/audio/portaudio/pa_tests/debug_srate.c
deleted file mode 100644
index 07371f28e5..0000000000
--- a/src/audio/portaudio/pa_tests/debug_srate.c
+++ /dev/null
@@ -1,265 +0,0 @@
-/*
- * $Id$
- * debug_record_reuse.c
- * Record input into an array.
- * Save array to a file.
- * Based on patest_record.c but with various ugly debug hacks thrown in.
- * Loop twice and reuse same streams.
- *
- * Author: Phil Burk http://www.softsynth.com
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.portaudio.com
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-#include <stdio.h>
-#include <stdlib.h>
-#include <memory.h>
-#include "portaudio.h"
-
-#define EWS88MT_12_REC (1)
-#define EWS88MT_12_PLAY (10)
-#define SBLIVE_REC (2)
-#define SBLIVE_PLAY (11)
-
-#if 0
-#define INPUT_DEVICE_ID Pa_GetDefaultInputDeviceID()
-#define OUTPUT_DEVICE_ID Pa_GetDefaultOutputDeviceID()
-#else
-#define INPUT_DEVICE_ID (EWS88MT_12_REC)
-#define OUTPUT_DEVICE_ID (SBLIVE_PLAY)
-#endif
-
-#define INPUT_SAMPLE_RATE (22050.0)
-#define OUTPUT_SAMPLE_RATE (22050.0)
-#define NUM_SECONDS (4)
-#define SLEEP_DUR_MSEC (1000)
-#define FRAMES_PER_BUFFER (64)
-#define NUM_REC_BUFS (0)
-#define SAMPLES_PER_FRAME (2)
-
-#define PA_SAMPLE_TYPE paInt16
-typedef short SAMPLE;
-
-typedef struct
-{
- long frameIndex; /* Index into sample array. */
-}
-paTestData;
-
-/* This routine will be called by the PortAudio engine when audio is needed.
-** It may be called at interrupt level on some machines so don't do anything
-** that could mess up the system like calling malloc() or free().
-*/
-static int recordCallback( void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- PaTimestamp outTime, void *userData )
-{
- paTestData *data = (paTestData *) userData;
- (void) outputBuffer; /* Prevent unused variable warnings. */
- (void) outTime;
-
- if( inputBuffer != NULL )
- {
- data->frameIndex += framesPerBuffer;
- }
- return 0;
-}
-
-/* This routine will be called by the PortAudio engine when audio is needed.
-** It may be called at interrupt level on some machines so don't do anything
-** that could mess up the system like calling malloc() or free().
-*/
-static int playCallback( void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- PaTimestamp outTime, void *userData )
-{
- paTestData *data = (paTestData *) userData;
- (void) inputBuffer; /* Prevent unused variable warnings. */
- (void) outTime;
-
- if( outputBuffer != NULL )
- {
- data->frameIndex += framesPerBuffer;
- }
- return 0;
-}
-
-/****************************************************************/
-PaError MeasureStreamRate( PortAudioStream *stream, paTestData *dataPtr, double *ratePtr )
-{
- PaError err;
- int i;
- int totalFrames = 0;
- int totalMSec = 0;
-
- dataPtr->frameIndex = 0;
-
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto error;
-
- for( i=0; i<(NUM_SECONDS*1000/SLEEP_DUR_MSEC); i++ )
- {
- int delta, endIndex;
-
- int startIndex = dataPtr->frameIndex;
- Pa_Sleep(SLEEP_DUR_MSEC);
- endIndex = dataPtr->frameIndex;
-
- delta = endIndex - startIndex;
- totalFrames += delta;
- totalMSec += SLEEP_DUR_MSEC;
-
- printf("index = %d, delta = %d\n", endIndex, delta ); fflush(stdout);
- }
-
- err = Pa_StopStream( stream );
- if( err != paNoError ) goto error;
-
- *ratePtr = (totalFrames * 1000.0) / totalMSec;
-
-error:
- return err;
-}
-
-void ReportRate( double measuredRate, double expectedRate )
-{
- double error;
-
- error = (measuredRate - expectedRate) / expectedRate;
- error = (error < 0 ) ? -error : error;
-
- printf("Measured rate = %6.1f, expected rate = %6.1f\n",
- measuredRate, expectedRate );
- if( error > 0.1 )
- {
- printf("ERROR: unexpected rate! --------------------- ERROR!\n");
- }
- else
- {
- printf("SUCCESS: rate within tolerance!\n");
- }
-}
-
-/*******************************************************************/
-int main(void);
-int main(void)
-{
- PaError err;
- paTestData data = { 0 };
- long i;
- double rate;
- const PaDeviceInfo *pdi;
-
- PortAudioStream *outputStream;
- PortAudioStream *inputStream;
-
- err = Pa_Initialize();
- if( err != paNoError ) goto error;
-
-
- pdi = Pa_GetDeviceInfo( INPUT_DEVICE_ID );
- printf("Input device = %s\n", pdi->name );
- pdi = Pa_GetDeviceInfo( OUTPUT_DEVICE_ID );
- printf("Output device = %s\n", pdi->name );
-
-/* Open input stream. */
- err = Pa_OpenStream(
- &inputStream,
- INPUT_DEVICE_ID,
- SAMPLES_PER_FRAME, /* stereo input */
- PA_SAMPLE_TYPE,
- NULL,
- paNoDevice,
- 0,
- PA_SAMPLE_TYPE,
- NULL,
- INPUT_SAMPLE_RATE,
- FRAMES_PER_BUFFER, /* frames per buffer */
- NUM_REC_BUFS, /* number of buffers, if zero then use default minimum */
- paClipOff, /* we won't output out of range samples so don't bother clipping them */
- recordCallback,
- &data );
- if( err != paNoError ) goto error;
-
- err = Pa_OpenStream(
- &outputStream,
- paNoDevice,
- 0, /* NO input */
- PA_SAMPLE_TYPE,
- NULL,
- OUTPUT_DEVICE_ID,
- SAMPLES_PER_FRAME, /* stereo output */
- PA_SAMPLE_TYPE,
- NULL,
- OUTPUT_SAMPLE_RATE,
- FRAMES_PER_BUFFER, /* frames per buffer */
- 0, /* number of buffers, if zero then use default minimum */
- paClipOff, /* we won't output out of range samples so don't bother clipping them */
- playCallback,
- &data );
- if( err != paNoError ) goto error;
-
-/* Record and playback multiple times. */
- for( i=0; i<2; i++ )
- {
- printf("Measuring INPUT ------------------------- \n");
- err = MeasureStreamRate( inputStream, &data, &rate );
- if( err != paNoError ) goto error;
- ReportRate( rate, INPUT_SAMPLE_RATE );
-
- printf("Measuring OUTPUT ------------------------- \n");
- err = MeasureStreamRate( outputStream, &data, &rate );
- if( err != paNoError ) goto error;
- ReportRate( rate, OUTPUT_SAMPLE_RATE );
- }
-
-/* Clean up. */
- err = Pa_CloseStream( inputStream );
- if( err != paNoError ) goto error;
-
- err = Pa_CloseStream( outputStream );
- if( err != paNoError ) goto error;
-
- if( err != paNoError ) goto error;
-
- Pa_Terminate();
-
- printf("Test complete.\n"); fflush(stdout);
- return 0;
-
-error:
- Pa_Terminate();
- fprintf( stderr, "An error occured while using the portaudio stream\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- if( err == paHostError )
- {
- fprintf( stderr, "Host Error number: %d\n", Pa_GetHostError() );
- }
- return -1;
-}
diff --git a/src/audio/portaudio/pa_tests/debug_test1.c b/src/audio/portaudio/pa_tests/debug_test1.c
deleted file mode 100644
index 1321f62c80..0000000000
--- a/src/audio/portaudio/pa_tests/debug_test1.c
+++ /dev/null
@@ -1,114 +0,0 @@
-/*
- * $Id$
- patest1.c
- Ring modulate the audio input with a 441hz sine wave for 20 seconds
- using the Portable Audio api
- Author: Ross Bencina <rossb@audiomulch.com>
- Modifications:
- April 5th, 2001 - PLB - Check for NULL inputBuffer.
-*/
-#include <stdio.h>
-#include <math.h>
-#include "portaudio.h"
-#ifndef M_PI
-#define M_PI (3.14159265)
-#endif
-typedef struct
-{
- float sine[100];
- int phase;
- int sampsToGo;
-}
-patest1data;
-static int patest1Callback( void *inputBuffer, void *outputBuffer,
- unsigned long bufferFrames,
- PaTimestamp outTime, void *userData )
-{
- patest1data *data = (patest1data*)userData;
- float *in = (float*)inputBuffer;
- float *out = (float*)outputBuffer;
- int framesToCalc = bufferFrames;
- unsigned long i;
- int finished = 0;
- if(inputBuffer == NULL) return 0;
- if( data->sampsToGo < bufferFrames )
- {
- finished = 1;
- }
- for( i=0; i<bufferFrames; i++ )
- {
- *out++ = *in++;
- *out++ = *in++;
- if( data->phase >= 100 )
- data->phase = 0;
- }
- data->sampsToGo -= bufferFrames;
- /* zero remainder of final buffer if not already done */
- for( ; i<bufferFrames; i++ )
- {
- *out++ = 0; /* left */
- *out++ = 0; /* right */
- }
- return finished;
-}
-int main(int argc, char* argv[]);
-int main(int argc, char* argv[])
-{
- PaStream *stream;
- PaError err;
- patest1data data;
- int i;
- int inputDevice = Pa_GetDefaultInputDeviceID();
- int outputDevice = Pa_GetDefaultOutputDeviceID();
- /* initialise sinusoidal wavetable */
- for( i=0; i<100; i++ )
- data.sine[i] = sin( ((double)i/100.) * M_PI * 2. );
- data.phase = 0;
- data.sampsToGo = 44100 * 4; // 20 seconds
- /* initialise portaudio subsytem */
- Pa_Initialize();
- err = Pa_OpenStream(
- &stream,
- inputDevice,
- 2, /* stereo input */
- paFloat32, /* 32 bit floating point input */
- NULL,
- outputDevice,
- 2, /* stereo output */
- paFloat32, /* 32 bit floating point output */
- NULL,
- 44100.,
- // 22050, /* half second buffers */
- // 4, /* four buffers */
- 512, /* half second buffers */
- 0, /* four buffers */
- paClipOff, /* we won't output out of range samples so don't bother clipping them */
- patest1Callback,
- &data );
- if( err == paNoError )
- {
- err = Pa_StartStream( stream );
- // printf( "Press any key to end.\n" );
- // getc( stdin ); //wait for input before exiting
- // Pa_AbortStream( stream );
-
- printf( "Waiting for stream to complete...\n" );
-
- while( Pa_StreamActive( stream ) )
- Pa_Sleep(1000); /* sleep until playback has finished */
-
- err = Pa_CloseStream( stream );
- }
- else
- {
- fprintf( stderr, "An error occured while opening the portaudio stream\n" );
- if( err == paHostError )
- fprintf( stderr, "Host error number: %d\n", Pa_GetHostError() );
- else
- fprintf( stderr, "Error number: %d\n", err );
- }
- Pa_Terminate();
- printf( "bye\n" );
-
- return 0;
-}
diff --git a/src/audio/portaudio/pa_tests/pa_devs.c b/src/audio/portaudio/pa_tests/pa_devs.c
deleted file mode 100644
index 278e027506..0000000000
--- a/src/audio/portaudio/pa_tests/pa_devs.c
+++ /dev/null
@@ -1,230 +0,0 @@
-/** @file pa_devs.c
- @brief List available devices, including device information.
- @author Phil Burk http://www.softsynth.com
-
- @note Define PA_NO_ASIO to compile this code on Windows without
- ASIO support.
-*/
-/*
- * $Id$
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.portaudio.com
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-#include <stdio.h>
-#include <math.h>
-#include "portaudio.h"
-
-#ifdef WIN32
-#ifndef PA_NO_ASIO
-#include "pa_asio.h"
-#endif
-#endif
-
-/*******************************************************************/
-static void PrintSupportedStandardSampleRates(
- const PaStreamParameters *inputParameters,
- const PaStreamParameters *outputParameters )
-{
- static double standardSampleRates[] = {
- 8000.0, 9600.0, 11025.0, 12000.0, 16000.0, 22050.0, 24000.0, 32000.0,
- 44100.0, 48000.0, 88200.0, 96000.0, 192000.0, -1 /* negative terminated list */
- };
- int i, printCount;
- PaError err;
-
- printCount = 0;
- for( i=0; standardSampleRates[i] > 0; i++ )
- {
- err = Pa_IsFormatSupported( inputParameters, outputParameters, standardSampleRates[i] );
- if( err == paFormatIsSupported )
- {
- if( printCount == 0 )
- {
- printf( "\t%8.2f", standardSampleRates[i] );
- printCount = 1;
- }
- else if( printCount == 4 )
- {
- printf( ",\n\t%8.2f", standardSampleRates[i] );
- printCount = 1;
- }
- else
- {
- printf( ", %8.2f", standardSampleRates[i] );
- ++printCount;
- }
- }
- }
- if( !printCount )
- printf( "None\n" );
- else
- printf( "\n" );
-}
-/*******************************************************************/
-int main(void);
-int main(void)
-{
- int i, numDevices, defaultDisplayed;
- const PaDeviceInfo *deviceInfo;
- PaStreamParameters inputParameters, outputParameters;
- PaError err;
-
-
- Pa_Initialize();
-
- printf( "PortAudio version number = %d\nPortAudio version text = '%s'\n",
- Pa_GetVersion(), Pa_GetVersionText() );
-
-
- numDevices = Pa_GetDeviceCount();
- if( numDevices < 0 )
- {
- printf( "ERROR: Pa_CountDevices returned 0x%x\n", numDevices );
- err = numDevices;
- goto error;
- }
-
- printf( "Number of devices = %d\n", numDevices );
- for( i=0; i<numDevices; i++ )
- {
- deviceInfo = Pa_GetDeviceInfo( i );
- printf( "--------------------------------------- device #%d\n", i );
-
- /* Mark global and API specific default devices */
- defaultDisplayed = 0;
- if( i == Pa_GetDefaultInputDevice() )
- {
- printf( "[ Default Input" );
- defaultDisplayed = 1;
- }
- else if( i == Pa_GetHostApiInfo( deviceInfo->hostApi )->defaultInputDevice )
- {
- const PaHostApiInfo *hostInfo = Pa_GetHostApiInfo( deviceInfo->hostApi );
- printf( "[ Default %s Input", hostInfo->name );
- defaultDisplayed = 1;
- }
-
- if( i == Pa_GetDefaultOutputDevice() )
- {
- printf( (defaultDisplayed ? "," : "[") );
- printf( " Default Output" );
- defaultDisplayed = 1;
- }
- else if( i == Pa_GetHostApiInfo( deviceInfo->hostApi )->defaultOutputDevice )
- {
- const PaHostApiInfo *hostInfo = Pa_GetHostApiInfo( deviceInfo->hostApi );
- printf( (defaultDisplayed ? "," : "[") );
- printf( " Default %s Output", hostInfo->name );
- defaultDisplayed = 1;
- }
-
- if( defaultDisplayed )
- printf( " ]\n" );
-
- /* print device info fields */
- printf( "Name = %s\n", deviceInfo->name );
- printf( "Host API = %s\n", Pa_GetHostApiInfo( deviceInfo->hostApi )->name );
- printf( "Max inputs = %d", deviceInfo->maxInputChannels );
- printf( ", Max outputs = %d\n", deviceInfo->maxOutputChannels );
-
- printf( "Default low input latency = %8.3f\n", deviceInfo->defaultLowInputLatency );
- printf( "Default low output latency = %8.3f\n", deviceInfo->defaultLowOutputLatency );
- printf( "Default high input latency = %8.3f\n", deviceInfo->defaultHighInputLatency );
- printf( "Default high output latency = %8.3f\n", deviceInfo->defaultHighOutputLatency );
-
-#ifdef WIN32
-#ifndef PA_NO_ASIO
-/* ASIO specific latency information */
- if( Pa_GetHostApiInfo( deviceInfo->hostApi )->type == paASIO ){
- long minLatency, maxLatency, preferredLatency, granularity;
-
- err = PaAsio_GetAvailableLatencyValues( i,
- &minLatency, &maxLatency, &preferredLatency, &granularity );
-
- printf( "ASIO minimum buffer size = %ld\n", minLatency );
- printf( "ASIO maximum buffer size = %ld\n", maxLatency );
- printf( "ASIO preferred buffer size = %ld\n", preferredLatency );
-
- if( granularity == -1 )
- printf( "ASIO buffer granularity = power of 2\n" );
- else
- printf( "ASIO buffer granularity = %ld\n", granularity );
- }
-#endif /* !PA_NO_ASIO */
-#endif /* WIN32 */
-
- printf( "Default sample rate = %8.2f\n", deviceInfo->defaultSampleRate );
-
- /* poll for standard sample rates */
- inputParameters.device = i;
- inputParameters.channelCount = deviceInfo->maxInputChannels;
- inputParameters.sampleFormat = paInt16;
- inputParameters.suggestedLatency = 0; /* ignored by Pa_IsFormatSupported() */
- inputParameters.hostApiSpecificStreamInfo = NULL;
-
- outputParameters.device = i;
- outputParameters.channelCount = deviceInfo->maxOutputChannels;
- outputParameters.sampleFormat = paInt16;
- outputParameters.suggestedLatency = 0; /* ignored by Pa_IsFormatSupported() */
- outputParameters.hostApiSpecificStreamInfo = NULL;
-
- if( inputParameters.channelCount > 0 )
- {
- printf("Supported standard sample rates\n for half-duplex 16 bit %d channel input = \n",
- inputParameters.channelCount );
- PrintSupportedStandardSampleRates( &inputParameters, NULL );
- }
-
- if( outputParameters.channelCount > 0 )
- {
- printf("Supported standard sample rates\n for half-duplex 16 bit %d channel output = \n",
- outputParameters.channelCount );
- PrintSupportedStandardSampleRates( NULL, &outputParameters );
- }
-
- if( inputParameters.channelCount > 0 && outputParameters.channelCount > 0 )
- {
- printf("Supported standard sample rates\n for full-duplex 16 bit %d channel input, %d channel output = \n",
- inputParameters.channelCount, outputParameters.channelCount );
- PrintSupportedStandardSampleRates( &inputParameters, &outputParameters );
- }
- }
-
- Pa_Terminate();
-
- printf("----------------------------------------------\n");
- return 0;
-
-error:
- Pa_Terminate();
- fprintf( stderr, "An error occured while using the portaudio stream\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- return err;
-}
diff --git a/src/audio/portaudio/pa_tests/pa_fuzz.c b/src/audio/portaudio/pa_tests/pa_fuzz.c
deleted file mode 100644
index 127c2e3e67..0000000000
--- a/src/audio/portaudio/pa_tests/pa_fuzz.c
+++ /dev/null
@@ -1,168 +0,0 @@
-/** @file pa_fuzz.c
- @brief Distort input like a fuzz boz.
- @author Phil Burk http://www.softsynth.com
-*/
-/*
- * $Id$
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.portaudio.com
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-#include <stdio.h>
-#include <math.h>
-#include "portaudio.h"
-/*
-** Note that many of the older ISA sound cards on PCs do NOT support
-** full duplex audio (simultaneous record and playback).
-** And some only support full duplex at lower sample rates.
-*/
-#define SAMPLE_RATE (44100)
-#define PA_SAMPLE_TYPE paFloat32
-#define FRAMES_PER_BUFFER (64)
-
-typedef float SAMPLE;
-
-float CubicAmplifier( float input );
-static int fuzzCallback( const void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- const PaStreamCallbackTimeInfo* timeInfo,
- PaStreamCallbackFlags statusFlags,
- void *userData );
-
-/* Non-linear amplifier with soft distortion curve. */
-float CubicAmplifier( float input )
-{
- float output, temp;
- if( input < 0.0 )
- {
- temp = input + 1.0f;
- output = (temp * temp * temp) - 1.0f;
- }
- else
- {
- temp = input - 1.0f;
- output = (temp * temp * temp) + 1.0f;
- }
-
- return output;
-}
-#define FUZZ(x) CubicAmplifier(CubicAmplifier(CubicAmplifier(CubicAmplifier(x))))
-
-static int gNumNoInputs = 0;
-/* This routine will be called by the PortAudio engine when audio is needed.
-** It may be called at interrupt level on some machines so don't do anything
-** that could mess up the system like calling malloc() or free().
-*/
-static int fuzzCallback( const void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- const PaStreamCallbackTimeInfo* timeInfo,
- PaStreamCallbackFlags statusFlags,
- void *userData )
-{
- SAMPLE *out = (SAMPLE*)outputBuffer;
- const SAMPLE *in = (const SAMPLE*)inputBuffer;
- unsigned int i;
- (void) timeInfo; /* Prevent unused variable warnings. */
- (void) statusFlags;
- (void) userData;
-
- if( inputBuffer == NULL )
- {
- for( i=0; i<framesPerBuffer; i++ )
- {
- *out++ = 0; /* left - silent */
- *out++ = 0; /* right - silent */
- }
- gNumNoInputs += 1;
- }
- else
- {
- for( i=0; i<framesPerBuffer; i++ )
- {
- *out++ = FUZZ(*in++); /* left - distorted */
- *out++ = *in++; /* right - clean */
- }
- }
-
- return paContinue;
-}
-
-/*******************************************************************/
-int main(void);
-int main(void)
-{
- PaStreamParameters inputParameters, outputParameters;
- PaStream *stream;
- PaError err;
-
- err = Pa_Initialize();
- if( err != paNoError ) goto error;
-
-
- inputParameters.device = Pa_GetDefaultInputDevice(); /* default input device */
- inputParameters.channelCount = 2; /* stereo input */
- inputParameters.sampleFormat = PA_SAMPLE_TYPE;
- inputParameters.suggestedLatency = Pa_GetDeviceInfo( inputParameters.device )->defaultLowInputLatency;
- inputParameters.hostApiSpecificStreamInfo = NULL;
-
- outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */
- outputParameters.channelCount = 2; /* stereo output */
- outputParameters.sampleFormat = PA_SAMPLE_TYPE;
- outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
- outputParameters.hostApiSpecificStreamInfo = NULL;
-
- err = Pa_OpenStream(
- &stream,
- &inputParameters,
- &outputParameters,
- SAMPLE_RATE,
- FRAMES_PER_BUFFER,
- 0, /* paClipOff, */ /* we won't output out of range samples so don't bother clipping them */
- fuzzCallback,
- NULL );
- if( err != paNoError ) goto error;
-
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto error;
-
- printf("Hit ENTER to stop program.\n");
- getchar();
- err = Pa_CloseStream( stream );
- if( err != paNoError ) goto error;
-
- printf("Finished. gNumNoInputs = %d\n", gNumNoInputs );
- Pa_Terminate();
- return 0;
-
-error:
- Pa_Terminate();
- fprintf( stderr, "An error occured while using the portaudio stream\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- return -1;
-}
diff --git a/src/audio/portaudio/pa_tests/pa_minlat.c b/src/audio/portaudio/pa_tests/pa_minlat.c
deleted file mode 100644
index 8400dfd279..0000000000
--- a/src/audio/portaudio/pa_tests/pa_minlat.c
+++ /dev/null
@@ -1,187 +0,0 @@
-/** @file pa_minlat.c
- @brief Experiment with different numbers of buffers to determine the
- minimum latency for a computer.
- @author Phil Burk http://www.softsynth.com
-*/
-/*
- * $Id$
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.portaudio.com
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <math.h>
-#include <string.h>
-#include "portaudio.h"
-
-#ifndef M_PI
-#define M_PI (3.14159265)
-#endif
-#define TWOPI (M_PI * 2.0)
-
-#define DEFAULT_BUFFER_SIZE (32)
-
-typedef struct
-{
- double left_phase;
- double right_phase;
-}
-paTestData;
-
-/* Very simple synthesis routine to generate two sine waves. */
-static int paminlatCallback( const void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- const PaStreamCallbackTimeInfo* timeInfo,
- PaStreamCallbackFlags statusFlags,
- void *userData )
-{
- paTestData *data = (paTestData*)userData;
- float *out = (float*)outputBuffer;
- unsigned int i;
- double left_phaseInc = 0.02;
- double right_phaseInc = 0.06;
-
- double left_phase = data->left_phase;
- double right_phase = data->right_phase;
-
- for( i=0; i<framesPerBuffer; i++ )
- {
- left_phase += left_phaseInc;
- if( left_phase > TWOPI ) left_phase -= TWOPI;
- *out++ = (float) sin( left_phase );
-
- right_phase += right_phaseInc;
- if( right_phase > TWOPI ) right_phase -= TWOPI;
- *out++ = (float) sin( right_phase );
- }
-
- data->left_phase = left_phase;
- data->right_phase = right_phase;
- return 0;
-}
-
-int main( int argc, char **argv );
-int main( int argc, char **argv )
-{
- PaStreamParameters outputParameters;
- PaStream *stream;
- PaError err;
- paTestData data;
- int go;
- int outLatency = 0;
- int minLatency = DEFAULT_BUFFER_SIZE * 2;
- int framesPerBuffer;
- double sampleRate = 44100.0;
- char str[256];
-
- printf("pa_minlat - Determine minimum latency for your computer.\n");
- printf(" usage: pa_minlat {userBufferSize}\n");
- printf(" for example: pa_minlat 64\n");
- printf("Adjust your stereo until you hear a smooth tone in each speaker.\n");
- printf("Then try to find the smallest number of frames that still sounds smooth.\n");
- printf("Note that the sound will stop momentarily when you change the number of buffers.\n");
-
- /* Get bufferSize from command line. */
- framesPerBuffer = ( argc > 1 ) ? atol( argv[1] ) : DEFAULT_BUFFER_SIZE;
- printf("Frames per buffer = %d\n", framesPerBuffer );
-
- data.left_phase = data.right_phase = 0.0;
-
- err = Pa_Initialize();
- if( err != paNoError ) goto error;
-
- outLatency = sampleRate * 200.0 / 1000.0; /* 200 msec. */
-
- /* Try different numBuffers in a loop. */
- go = 1;
- while( go )
- {
- outputParameters.device = Pa_GetDefaultOutputDevice(); /* Default output device. */
- outputParameters.channelCount = 2; /* Stereo output */
- outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output. */
- outputParameters.suggestedLatency = (double)outLatency / sampleRate; /* In seconds. */
- outputParameters.hostApiSpecificStreamInfo = NULL;
-
- printf("Latency = %d frames = %6.1f msec.\n", outLatency, outputParameters.suggestedLatency * 1000.0 );
-
- err = Pa_OpenStream(
- &stream,
- NULL, /* no input */
- &outputParameters,
- sampleRate,
- framesPerBuffer,
- paClipOff, /* we won't output out of range samples so don't bother clipping them */
- paminlatCallback,
- &data );
- if( err != paNoError ) goto error;
- if( stream == NULL ) goto error;
-
- /* Start audio. */
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto error;
-
- /* Ask user for a new nlatency. */
- printf("\nMove windows around to see if the sound glitches.\n");
- printf("Latency now %d, enter new number of frames, or 'q' to quit: ", outLatency );
- fgets( str, 256, stdin );
- {
- /* Get rid of newline */
- size_t l = strlen( str ) - 1;
- if( str[ l ] == '\n')
- str[ l ] = '\0';
- }
- if( str[0] == 'q' ) go = 0;
- else
- {
- outLatency = atol( str );
- if( outLatency < minLatency )
- {
- printf( "Latency below minimum of %d! Set to minimum!!!\n", minLatency );
- outLatency = minLatency;
- }
- }
- /* Stop sound until ENTER hit. */
- err = Pa_StopStream( stream );
- if( err != paNoError ) goto error;
- err = Pa_CloseStream( stream );
- if( err != paNoError ) goto error;
- }
- printf("A good setting for latency would be somewhat higher than\n");
- printf("the minimum latency that worked.\n");
- printf("PortAudio: Test finished.\n");
- Pa_Terminate();
- return 0;
-error:
- Pa_Terminate();
- fprintf( stderr, "An error occured while using the portaudio stream\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- return 1;
-}
diff --git a/src/audio/portaudio/pa_tests/paqa_devs.c b/src/audio/portaudio/pa_tests/paqa_devs.c
deleted file mode 100644
index f52143c190..0000000000
--- a/src/audio/portaudio/pa_tests/paqa_devs.c
+++ /dev/null
@@ -1,347 +0,0 @@
-/** @file paqa_devs.c
- @brief Self Testing Quality Assurance app for PortAudio
- Try to open each device and run through all the
- possible configurations.
-
- @author Phil Burk http://www.softsynth.com
-
- Pieter adapted to V19 API. Test now relies heavily on
- Pa_IsFormatSupported(). Uses same 'standard' sample rates
- as in test pa_devs.c.
-*/
-/*
- * $Id$
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.portaudio.com
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-#include <stdio.h>
-#include <math.h>
-#include "portaudio.h"
-#include "pa_trace.h"
-
-/****************************************** Definitions ***********/
-#define MODE_INPUT (0)
-#define MODE_OUTPUT (1)
-
-typedef struct PaQaData
-{
- unsigned long framesLeft;
- int numChannels;
- int bytesPerSample;
- int mode;
- short sawPhase;
- PaSampleFormat format;
-}
-PaQaData;
-
-/****************************************** Prototypes ***********/
-static void TestDevices( int mode );
-static void TestFormats( int mode, PaDeviceIndex deviceID, double sampleRate,
- int numChannels );
-static int TestAdvance( int mode, PaDeviceIndex deviceID, double sampleRate,
- int numChannels, PaSampleFormat format );
-static int QaCallback( const void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- const PaStreamCallbackTimeInfo* timeInfo,
- PaStreamCallbackFlags statusFlags,
- void *userData );
-
-/****************************************** Globals ***********/
-static int gNumPassed = 0;
-static int gNumFailed = 0;
-
-/****************************************** Macros ***********/
-/* Print ERROR if it fails. Tally success or failure. */
-/* Odd do-while wrapper seems to be needed for some compilers. */
-#define EXPECT(_exp) \
- do \
- { \
- if ((_exp)) {\
- /* printf("SUCCESS for %s\n", #_exp ); */ \
- gNumPassed++; \
- } \
- else { \
- printf("ERROR - 0x%x - %s for %s\n", result, \
- ((result == 0) ? "-" : Pa_GetErrorText(result)), \
- #_exp ); \
- gNumFailed++; \
- goto error; \
- } \
- } while(0)
-
-/*******************************************************************/
-/* This routine will be called by the PortAudio engine when audio is needed.
-** It may be called at interrupt level on some machines so don't do anything
-** that could mess up the system like calling malloc() or free().
-*/
-static int QaCallback( const void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- const PaStreamCallbackTimeInfo* timeInfo,
- PaStreamCallbackFlags statusFlags,
- void *userData )
-{
- unsigned long i;
- short phase;
- PaQaData *data = (PaQaData *) userData;
- (void) inputBuffer;
-
- /* Play simle sawtooth wave. */
- if( data->mode == MODE_OUTPUT )
- {
- phase = data->sawPhase;
- switch( data->format )
- {
- case paFloat32:
- {
- float *out = (float *) outputBuffer;
- for( i=0; i<framesPerBuffer; i++ )
- {
- phase += 0x123;
- *out++ = (float) (phase * (1.0 / 32768.0));
- if( data->numChannels == 2 )
- {
- *out++ = (float) (phase * (1.0 / 32768.0));
- }
- }
- }
- break;
-
- case paInt32:
- {
- int *out = (int *) outputBuffer;
- for( i=0; i<framesPerBuffer; i++ )
- {
- phase += 0x123;
- *out++ = ((int) phase ) << 16;
- if( data->numChannels == 2 )
- {
- *out++ = ((int) phase ) << 16;
- }
- }
- }
- break;
- case paInt16:
- {
- short *out = (short *) outputBuffer;
- for( i=0; i<framesPerBuffer; i++ )
- {
- phase += 0x123;
- *out++ = phase;
- if( data->numChannels == 2 )
- {
- *out++ = phase;
- }
- }
- }
- break;
-
- default:
- {
- unsigned char *out = (unsigned char *) outputBuffer;
- unsigned long numBytes = framesPerBuffer * data->numChannels * data->bytesPerSample;
- for( i=0; i<numBytes; i++ )
- {
- *out++ = 0;
- }
- }
- break;
- }
- data->sawPhase = phase;
- }
- /* Are we through yet? */
- if( data->framesLeft > framesPerBuffer )
- {
- PaUtil_AddTraceMessage("QaCallback: running. framesLeft", data->framesLeft );
- data->framesLeft -= framesPerBuffer;
- return 0;
- }
- else
- {
- PaUtil_AddTraceMessage("QaCallback: DONE! framesLeft", data->framesLeft );
- data->framesLeft = 0;
- return 1;
- }
-}
-
-/*******************************************************************/
-int main(void);
-int main(void)
-{
- PaError result;
- EXPECT( ((result=Pa_Initialize()) == 0) );
- printf("Test OUTPUT ---------------\n");
- TestDevices( MODE_OUTPUT );
- printf("Test INPUT ---------------\n");
- TestDevices( MODE_INPUT );
-error:
- Pa_Terminate();
- printf("QA Report: %d passed, %d failed.\n", gNumPassed, gNumFailed );
- return 0;
-}
-
-/*******************************************************************
-* Try each output device, through its full range of capabilities. */
-static void TestDevices( int mode )
-{
- int id, jc, i;
- int maxChannels;
- const PaDeviceInfo *pdi;
- static double standardSampleRates[] = { 8000.0, 9600.0, 11025.0, 12000.0,
- 16000.0, 22050.0, 24000.0,
- 32000.0, 44100.0, 48000.0,
- 88200.0, 96000.0,
- -1.0 }; /* Negative terminated list. */
- int numDevices = Pa_GetDeviceCount();
- for( id=0; id<numDevices; id++ ) /* Iterate through all devices. */
- {
- pdi = Pa_GetDeviceInfo( id );
- /* Try 1 to maxChannels on each device. */
- maxChannels = (( mode == MODE_INPUT ) ? pdi->maxInputChannels : pdi->maxOutputChannels);
-
- for( jc=1; jc<=maxChannels; jc++ )
- {
- printf("Name = %s\n", pdi->name );
- /* Try each standard sample rate. */
- for( i=0; standardSampleRates[i] > 0; i++ )
- {
- TestFormats( mode, (PaDeviceIndex)id, standardSampleRates[i], jc );
- }
- }
- }
-}
-
-/*******************************************************************/
-static void TestFormats( int mode, PaDeviceIndex deviceID, double sampleRate,
- int numChannels )
-{
- TestAdvance( mode, deviceID, sampleRate, numChannels, paFloat32 );
- TestAdvance( mode, deviceID, sampleRate, numChannels, paInt16 );
- TestAdvance( mode, deviceID, sampleRate, numChannels, paInt32 );
- /* TestAdvance( mode, deviceID, sampleRate, numChannels, paInt24 ); */
-}
-
-/*******************************************************************/
-static int TestAdvance( int mode, PaDeviceIndex deviceID, double sampleRate,
- int numChannels, PaSampleFormat format )
-{
- PaStreamParameters inputParameters, outputParameters, *ipp, *opp;
- PaStream *stream = NULL;
- PaError result = paNoError;
- PaQaData myData;
- #define FRAMES_PER_BUFFER (64)
-
- /* Setup data for synthesis thread. */
- myData.framesLeft = (unsigned long) (sampleRate * 100); /* 100 seconds */
- myData.numChannels = numChannels;
- myData.mode = mode;
- myData.format = format;
- switch( format )
- {
- case paFloat32:
- case paInt32:
- case paInt24:
- myData.bytesPerSample = 4;
- break;
-/* case paPackedInt24:
- myData.bytesPerSample = 3;
- break; */
- default:
- myData.bytesPerSample = 2;
- break;
- }
-
- if( mode == MODE_INPUT )
- {
- inputParameters.device = deviceID;
- inputParameters.channelCount = numChannels;
- inputParameters.sampleFormat = format;
- inputParameters.suggestedLatency = Pa_GetDeviceInfo( inputParameters.device )->defaultLowInputLatency;
- inputParameters.hostApiSpecificStreamInfo = NULL;
- ipp = &inputParameters;
- }
- else
- ipp = NULL;
- if( mode == MODE_OUTPUT ) /* Pa_GetDeviceInfo(paNoDevice) COREDUMPS!!! */
- {
- outputParameters.device = deviceID;
- outputParameters.channelCount = numChannels;
- outputParameters.sampleFormat = format;
- outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
- outputParameters.hostApiSpecificStreamInfo = NULL;
- opp = &outputParameters;
- }
- else
- opp = NULL;
-
- if(paFormatIsSupported == Pa_IsFormatSupported( ipp, opp, sampleRate ))
- {
- printf("------ TestAdvance: %s, device = %d, rate = %g, numChannels = %d, format = %lu -------\n",
- ( mode == MODE_INPUT ) ? "INPUT" : "OUTPUT",
- deviceID, sampleRate, numChannels, (unsigned long)format);
- EXPECT( ((result = Pa_OpenStream( &stream,
- ipp,
- opp,
- sampleRate,
- FRAMES_PER_BUFFER,
- paClipOff, /* we won't output out of range samples so don't bother clipping them */
- QaCallback,
- &myData ) ) == 0) );
- if( stream )
- {
- PaTime oldStamp, newStamp;
- unsigned long oldFrames;
- int minDelay = ( mode == MODE_INPUT ) ? 1000 : 400;
- /* Was:
- int minNumBuffers = Pa_GetMinNumBuffers( FRAMES_PER_BUFFER, sampleRate );
- int msec = (int) ((minNumBuffers * 3 * 1000.0 * FRAMES_PER_BUFFER) / sampleRate);
- */
- int msec = (int)( 3.0 *
- (( mode == MODE_INPUT ) ? inputParameters.suggestedLatency : outputParameters.suggestedLatency ));
- if( msec < minDelay ) msec = minDelay;
- printf("msec = %d\n", msec); /**/
- EXPECT( ((result=Pa_StartStream( stream )) == 0) );
- /* Check to make sure PortAudio is advancing timeStamp. */
- oldStamp = Pa_GetStreamTime(stream);
- Pa_Sleep(msec);
- newStamp = Pa_GetStreamTime(stream);
- printf("oldStamp = %g,newStamp = %g\n", oldStamp, newStamp ); /**/
- EXPECT( (oldStamp < newStamp) );
- /* Check to make sure callback is decrementing framesLeft. */
- oldFrames = myData.framesLeft;
- Pa_Sleep(msec);
- printf("oldFrames = %lu, myData.framesLeft = %lu\n", oldFrames, myData.framesLeft ); /**/
- EXPECT( (oldFrames > myData.framesLeft) );
- EXPECT( ((result=Pa_CloseStream( stream )) == 0) );
- stream = NULL;
- }
- }
-error:
- if( stream != NULL ) Pa_CloseStream( stream );
- return result;
-}
diff --git a/src/audio/portaudio/pa_tests/paqa_errs.c b/src/audio/portaudio/pa_tests/paqa_errs.c
deleted file mode 100644
index 3f9077173b..0000000000
--- a/src/audio/portaudio/pa_tests/paqa_errs.c
+++ /dev/null
@@ -1,380 +0,0 @@
-/** @file paqa_errs.c
- @brief Self Testing Quality Assurance app for PortAudio
- Do lots of bad things to test error reporting.
- @author Phil Burk http://www.softsynth.com
- Pieter Suurmond adapted to V19 API.
-*/
-/*
- * $Id$
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.portaudio.com
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-
-#include <stdio.h>
-#include <math.h>
-
-#include "portaudio.h"
-
-/*--------- Definitions ---------*/
-#define MODE_INPUT (0)
-#define MODE_OUTPUT (1)
-#define FRAMES_PER_BUFFER (64)
-#define SAMPLE_RATE (44100.0)
-
-typedef struct PaQaData
-{
- unsigned long framesLeft;
- int numChannels;
- int bytesPerSample;
- int mode;
-}
-PaQaData;
-
-static int gNumPassed = 0; /* Two globals */
-static int gNumFailed = 0;
-
-/*------------------- Macros ------------------------------*/
-/* Print ERROR if it fails. Tally success or failure. Odd */
-/* do-while wrapper seems to be needed for some compilers. */
-
-#define EXPECT(_exp) \
- do \
- { \
- if ((_exp)) {\
- gNumPassed++; \
- } \
- else { \
- printf("\nERROR - 0x%x - %s for %s\n", result, Pa_GetErrorText(result), #_exp ); \
- gNumFailed++; \
- goto error; \
- } \
- } while(0)
-
-#define HOPEFOR(_exp) \
- do \
- { \
- if ((_exp)) {\
- gNumPassed++; \
- } \
- else { \
- printf("\nERROR - 0x%x - %s for %s\n", result, Pa_GetErrorText(result), #_exp ); \
- gNumFailed++; \
- } \
- } while(0)
-
-/*-------------------------------------------------------------------------*/
-/* This routine will be called by the PortAudio engine when audio is needed.
- It may be called at interrupt level on some machines so don't do anything
- that could mess up the system like calling malloc() or free().
-*/
-static int QaCallback( const void* inputBuffer,
- void* outputBuffer,
- unsigned long framesPerBuffer,
- const PaStreamCallbackTimeInfo* timeInfo,
- PaStreamCallbackFlags statusFlags,
- void* userData )
-{
- unsigned long i;
- unsigned char* out = (unsigned char *) outputBuffer;
- PaQaData* data = (PaQaData *) userData;
-
- (void)inputBuffer; /* Prevent "unused variable" warnings. */
-
- /* Zero out buffer so we don't hear terrible noise. */
- if( data->mode == MODE_OUTPUT )
- {
- unsigned long numBytes = framesPerBuffer * data->numChannels * data->bytesPerSample;
- for( i=0; i<numBytes; i++ )
- {
- *out++ = 0;
- }
- }
- /* Are we through yet? */
- if( data->framesLeft > framesPerBuffer )
- {
- data->framesLeft -= framesPerBuffer;
- return 0;
- }
- else
- {
- data->framesLeft = 0;
- return 1;
- }
-}
-
-static PaDeviceIndex FindInputOnlyDevice(void)
-{
- PaDeviceIndex result = Pa_GetDefaultInputDevice();
- if( result != paNoDevice && Pa_GetDeviceInfo(result)->maxOutputChannels == 0 )
- return result;
-
- for( result = 0; result < Pa_GetDeviceCount(); ++result )
- {
- if( Pa_GetDeviceInfo(result)->maxOutputChannels == 0 )
- return result;
- }
-
- return paNoDevice;
-}
-
-static PaDeviceIndex FindOutputOnlyDevice(void)
-{
- PaDeviceIndex result = Pa_GetDefaultOutputDevice();
- if( result != paNoDevice && Pa_GetDeviceInfo(result)->maxInputChannels == 0 )
- return result;
-
- for( result = 0; result < Pa_GetDeviceCount(); ++result )
- {
- if( Pa_GetDeviceInfo(result)->maxInputChannels == 0 )
- return result;
- }
-
- return paNoDevice;
-}
-
-/*-------------------------------------------------------------------------------------------------*/
-static int TestBadOpens( void )
-{
- PaStream* stream = NULL;
- PaError result;
- PaQaData myData;
- PaStreamParameters ipp, opp;
-
- /* Setup data for synthesis thread. */
- myData.framesLeft = (unsigned long) (SAMPLE_RATE * 100); /* 100 seconds */
- myData.numChannels = 1;
- myData.mode = MODE_OUTPUT;
-
- /*----------------------------- No devices specified: */
- ipp.device = opp.device = paNoDevice;
- ipp.channelCount = opp.channelCount = 0; /* Also no channels. */
- ipp.hostApiSpecificStreamInfo = opp.hostApiSpecificStreamInfo = NULL;
- ipp.sampleFormat = opp.sampleFormat = paFloat32;
- /* Take the low latency of the default device for all subsequent tests. */
- ipp.suggestedLatency = Pa_GetDeviceInfo(Pa_GetDefaultInputDevice())->defaultLowInputLatency;
- opp.suggestedLatency = Pa_GetDeviceInfo(Pa_GetDefaultOutputDevice())->defaultLowOutputLatency;
- HOPEFOR(((result = Pa_OpenStream(&stream, &ipp, &opp,
- SAMPLE_RATE, FRAMES_PER_BUFFER,
- paClipOff, QaCallback, &myData )) == paInvalidDevice));
-
- /*----------------------------- No devices specified #2: */
- HOPEFOR(((result = Pa_OpenStream(&stream, NULL, NULL,
- SAMPLE_RATE, FRAMES_PER_BUFFER,
- paClipOff, QaCallback, &myData )) == paInvalidDevice));
-
- /*----------------------------- Out of range input device specified: */
- ipp.hostApiSpecificStreamInfo = opp.hostApiSpecificStreamInfo = NULL;
- ipp.sampleFormat = opp.sampleFormat = paFloat32;
- ipp.channelCount = 0; ipp.device = Pa_GetDeviceCount(); /* And no output device, and no channels. */
- opp.channelCount = 0; opp.device = paNoDevice;
- HOPEFOR(((result = Pa_OpenStream(&stream, &ipp, NULL,
- SAMPLE_RATE, FRAMES_PER_BUFFER,
- paClipOff, QaCallback, &myData )) == paInvalidDevice));
-
- /*----------------------------- Out of range output device specified: */
- ipp.hostApiSpecificStreamInfo = opp.hostApiSpecificStreamInfo = NULL;
- ipp.sampleFormat = opp.sampleFormat = paFloat32;
- ipp.channelCount = 0; ipp.device = paNoDevice; /* And no input device, and no channels. */
- opp.channelCount = 0; opp.device = Pa_GetDeviceCount();
- HOPEFOR(((result = Pa_OpenStream(&stream, NULL, &opp,
- SAMPLE_RATE, FRAMES_PER_BUFFER,
- paClipOff, QaCallback, &myData )) == paInvalidDevice));
-
- /*----------------------------- Zero input channels: */
- ipp.hostApiSpecificStreamInfo = opp.hostApiSpecificStreamInfo = NULL;
- ipp.sampleFormat = opp.sampleFormat = paFloat32;
- ipp.channelCount = 0; ipp.device = Pa_GetDefaultInputDevice();
- opp.channelCount = 0; opp.device = paNoDevice; /* And no output device, and no output channels. */
- HOPEFOR(((result = Pa_OpenStream(&stream, &ipp, NULL,
- SAMPLE_RATE, FRAMES_PER_BUFFER,
- paClipOff, QaCallback, &myData )) == paInvalidChannelCount));
-
- /*----------------------------- Zero output channels: */
- ipp.hostApiSpecificStreamInfo = opp.hostApiSpecificStreamInfo = NULL;
- ipp.sampleFormat = opp.sampleFormat = paFloat32;
- ipp.channelCount = 0; ipp.device = paNoDevice; /* And no input device, and no input channels. */
- opp.channelCount = 0; opp.device = Pa_GetDefaultOutputDevice();
- HOPEFOR(((result = Pa_OpenStream(&stream, NULL, &opp,
- SAMPLE_RATE, FRAMES_PER_BUFFER,
- paClipOff, QaCallback, &myData )) == paInvalidChannelCount));
-
- /*----------------------------- Nonzero input and output channels but no output device: */
- ipp.hostApiSpecificStreamInfo = opp.hostApiSpecificStreamInfo = NULL;
- ipp.sampleFormat = opp.sampleFormat = paFloat32;
- ipp.channelCount = 2; ipp.device = Pa_GetDefaultInputDevice(); /* Both stereo. */
- opp.channelCount = 2; opp.device = paNoDevice;
- HOPEFOR(((result = Pa_OpenStream(&stream, &ipp, &opp,
- SAMPLE_RATE, FRAMES_PER_BUFFER,
- paClipOff, QaCallback, &myData )) == paInvalidDevice));
-
- /*----------------------------- Nonzero input and output channels but no input device: */
- ipp.hostApiSpecificStreamInfo = opp.hostApiSpecificStreamInfo = NULL;
- ipp.sampleFormat = opp.sampleFormat = paFloat32;
- ipp.channelCount = 2; ipp.device = paNoDevice;
- opp.channelCount = 2; opp.device = Pa_GetDefaultOutputDevice();
- HOPEFOR(((result = Pa_OpenStream(&stream, &ipp, &opp,
- SAMPLE_RATE, FRAMES_PER_BUFFER,
- paClipOff, QaCallback, &myData )) == paInvalidDevice));
-
- /*----------------------------- NULL stream pointer: */
- ipp.hostApiSpecificStreamInfo = opp.hostApiSpecificStreamInfo = NULL;
- ipp.sampleFormat = opp.sampleFormat = paFloat32;
- ipp.channelCount = 0; ipp.device = paNoDevice; /* Output is more likely than input. */
- opp.channelCount = 2; opp.device = Pa_GetDefaultOutputDevice(); /* Only 2 output channels. */
- HOPEFOR(((result = Pa_OpenStream(NULL, &ipp, &opp,
- SAMPLE_RATE, FRAMES_PER_BUFFER,
- paClipOff, QaCallback, &myData )) == paBadStreamPtr));
-
- /*----------------------------- Low sample rate: */
- ipp.hostApiSpecificStreamInfo = opp.hostApiSpecificStreamInfo = NULL;
- ipp.sampleFormat = opp.sampleFormat = paFloat32;
- ipp.channelCount = 0; ipp.device = paNoDevice;
- opp.channelCount = 2; opp.device = Pa_GetDefaultOutputDevice();
- HOPEFOR(((result = Pa_OpenStream(&stream, NULL, &opp,
- 1.0, FRAMES_PER_BUFFER, /* 1 cycle per second (1 Hz) is too low. */
- paClipOff, QaCallback, &myData )) == paInvalidSampleRate));
-
- /*----------------------------- High sample rate: */
- ipp.hostApiSpecificStreamInfo = opp.hostApiSpecificStreamInfo = NULL;
- ipp.sampleFormat = opp.sampleFormat = paFloat32;
- ipp.channelCount = 0; ipp.device = paNoDevice;
- opp.channelCount = 2; opp.device = Pa_GetDefaultOutputDevice();
- HOPEFOR(((result = Pa_OpenStream(&stream, NULL, &opp,
- 10000000.0, FRAMES_PER_BUFFER, /* 10^6 cycles per second (10 MHz) is too high. */
- paClipOff, QaCallback, &myData )) == paInvalidSampleRate));
-
- /*----------------------------- NULL callback: */
- /* NULL callback is valid in V19 -- it means use blocking read/write stream
-
- ipp.hostApiSpecificStreamInfo = opp.hostApiSpecificStreamInfo = NULL;
- ipp.sampleFormat = opp.sampleFormat = paFloat32;
- ipp.channelCount = 0; ipp.device = paNoDevice;
- opp.channelCount = 2; opp.device = Pa_GetDefaultOutputDevice();
- HOPEFOR(((result = Pa_OpenStream(&stream, NULL, &opp,
- SAMPLE_RATE, FRAMES_PER_BUFFER,
- paClipOff,
- NULL,
- &myData )) == paNullCallback));
- */
-
- /*----------------------------- Bad flag: */
- ipp.hostApiSpecificStreamInfo = opp.hostApiSpecificStreamInfo = NULL;
- ipp.sampleFormat = opp.sampleFormat = paFloat32;
- ipp.channelCount = 0; ipp.device = paNoDevice;
- opp.channelCount = 2; opp.device = Pa_GetDefaultOutputDevice();
- HOPEFOR(((result = Pa_OpenStream(&stream, NULL, &opp,
- SAMPLE_RATE, FRAMES_PER_BUFFER,
- 255, /* Is 8 maybe legal V19 API? */
- QaCallback, &myData )) == paInvalidFlag));
-
- /*----------------------------- using input device as output device: */
- if( FindInputOnlyDevice() != paNoDevice )
- {
- ipp.hostApiSpecificStreamInfo = opp.hostApiSpecificStreamInfo = NULL;
- ipp.sampleFormat = opp.sampleFormat = paFloat32;
- ipp.channelCount = 0; ipp.device = paNoDevice; /* And no input device, and no channels. */
- opp.channelCount = 2; opp.device = FindInputOnlyDevice();
- HOPEFOR(((result = Pa_OpenStream(&stream, NULL, &opp,
- SAMPLE_RATE, FRAMES_PER_BUFFER,
- paClipOff, QaCallback, &myData )) == paInvalidChannelCount));
- }
-
- /*----------------------------- using output device as input device: */
- if( FindOutputOnlyDevice() != paNoDevice )
- {
- ipp.hostApiSpecificStreamInfo = opp.hostApiSpecificStreamInfo = NULL;
- ipp.sampleFormat = opp.sampleFormat = paFloat32;
- ipp.channelCount = 2; ipp.device = FindOutputOnlyDevice();
- opp.channelCount = 0; opp.device = paNoDevice; /* And no output device, and no channels. */
- HOPEFOR(((result = Pa_OpenStream(&stream, &ipp, NULL,
- SAMPLE_RATE, FRAMES_PER_BUFFER,
- paClipOff, QaCallback, &myData )) == paInvalidChannelCount));
-
- }
-
- if( stream != NULL ) Pa_CloseStream( stream );
- return result;
-}
-
-/*-----------------------------------------------------------------------------------------*/
-static int TestBadActions( void )
-{
- PaStream* stream = NULL;
- PaError result;
- PaQaData myData;
- PaStreamParameters opp;
-
- /* Setup data for synthesis thread. */
- myData.framesLeft = (unsigned long)(SAMPLE_RATE * 100); /* 100 seconds */
- myData.numChannels = 1;
- myData.mode = MODE_OUTPUT;
-
- opp.device = Pa_GetDefaultOutputDevice(); /* Default output. */
- opp.channelCount = 2; /* Stereo output. */
- opp.hostApiSpecificStreamInfo = NULL;
- opp.sampleFormat = paFloat32;
- opp.suggestedLatency = Pa_GetDeviceInfo(opp.device)->defaultLowOutputLatency;
-
- HOPEFOR(((result = Pa_OpenStream(&stream, NULL, /* Take NULL as input parame- */
- &opp, /* ters, meaning try only output. */
- SAMPLE_RATE, FRAMES_PER_BUFFER,
- paClipOff, QaCallback, &myData )) == paNoError));
-
- HOPEFOR(((result = Pa_StartStream(NULL)) == paBadStreamPtr));
- HOPEFOR(((result = Pa_StopStream(NULL)) == paBadStreamPtr));
- HOPEFOR(((result = Pa_IsStreamStopped(NULL)) == paBadStreamPtr));
- HOPEFOR(((result = Pa_IsStreamActive(NULL)) == paBadStreamPtr));
- HOPEFOR(((result = Pa_CloseStream(NULL)) == paBadStreamPtr));
- HOPEFOR(((result = Pa_SetStreamFinishedCallback(NULL, NULL)) == paBadStreamPtr));
- HOPEFOR(((result = !Pa_GetStreamInfo(NULL))));
- HOPEFOR(((result = Pa_GetStreamTime(NULL)) == 0.0));
- HOPEFOR(((result = Pa_GetStreamCpuLoad(NULL)) == 0.0));
- HOPEFOR(((result = Pa_ReadStream(NULL, NULL, 0)) == paBadStreamPtr));
- HOPEFOR(((result = Pa_WriteStream(NULL, NULL, 0)) == paBadStreamPtr));
-
- /** @todo test Pa_GetStreamReadAvailable and Pa_GetStreamWriteAvailable */
-
- if (stream != NULL) Pa_CloseStream(stream);
- return result;
-}
-
-/*---------------------------------------------------------------------*/
-int main(void);
-int main(void)
-{
- PaError result;
-
- EXPECT(((result = Pa_Initialize()) == paNoError));
- TestBadOpens();
- TestBadActions();
-error:
- Pa_Terminate();
- printf("QA Report: %d passed, %d failed.\n", gNumPassed, gNumFailed);
- return 0;
-}
diff --git a/src/audio/portaudio/pa_tests/patest1.c b/src/audio/portaudio/pa_tests/patest1.c
deleted file mode 100644
index 15fdfdd3d1..0000000000
--- a/src/audio/portaudio/pa_tests/patest1.c
+++ /dev/null
@@ -1,192 +0,0 @@
-/** @file patest1.c
- @brief Ring modulate the audio input with a sine wave for 20 seconds.
- @author Ross Bencina <rossb@audiomulch.com>
-*/
-/*
- * $Id$
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.portaudio.com
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-#include <stdio.h>
-#include <math.h>
-#include "portaudio.h"
-
-#ifndef M_PI
-#define M_PI (3.14159265)
-#endif
-
-#define SAMPLE_RATE (44100)
-
-typedef struct
-{
- float sine[100];
- int phase;
- int sampsToGo;
-}
-patest1data;
-
-static int patest1Callback( const void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- const PaStreamCallbackTimeInfo* timeInfo,
- PaStreamCallbackFlags statusFlags,
- void *userData )
-{
- patest1data *data = (patest1data*)userData;
- float *in = (float*)inputBuffer;
- float *out = (float*)outputBuffer;
- int framesToCalc = framesPerBuffer;
- unsigned long i = 0;
- int finished;
-
- if( data->sampsToGo < framesPerBuffer )
- {
- framesToCalc = data->sampsToGo;
- finished = paComplete;
- }
- else
- {
- finished = paContinue;
- }
-
- for( ; i<framesToCalc; i++ )
- {
- *out++ = *in++ * data->sine[data->phase]; /* left */
- *out++ = *in++ * data->sine[data->phase++]; /* right */
- if( data->phase >= 100 )
- data->phase = 0;
- }
-
- data->sampsToGo -= framesToCalc;
-
- /* zero remainder of final buffer if not already done */
- for( ; i<framesPerBuffer; i++ )
- {
- *out++ = 0; /* left */
- *out++ = 0; /* right */
- }
-
- return finished;
-}
-
-int main(int argc, char* argv[]);
-int main(int argc, char* argv[])
-{
- PaStream *stream;
- PaError err;
- patest1data data;
- int i;
- PaStreamParameters inputParameters, outputParameters;
- const PaHostErrorInfo* herr;
-
- printf("patest1.c\n"); fflush(stdout);
- printf("Ring modulate input for 20 seconds.\n"); fflush(stdout);
-
- /* initialise sinusoidal wavetable */
- for( i=0; i<100; i++ )
- data.sine[i] = sin( ((double)i/100.) * M_PI * 2. );
- data.phase = 0;
- data.sampsToGo = SAMPLE_RATE * 20; /* 20 seconds. */
-
- /* initialise portaudio subsytem */
- err = Pa_Initialize();
-
- inputParameters.device = Pa_GetDefaultInputDevice(); /* default input device */
- inputParameters.channelCount = 2; /* stereo input */
- inputParameters.sampleFormat = paFloat32; /* 32 bit floating point input */
- inputParameters.suggestedLatency = Pa_GetDeviceInfo( inputParameters.device )->defaultLowInputLatency;
- inputParameters.hostApiSpecificStreamInfo = NULL;
-
- outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */
- outputParameters.channelCount = 2; /* stereo output */
- outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */
- outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
- outputParameters.hostApiSpecificStreamInfo = NULL;
-
- err = Pa_OpenStream(
- &stream,
- &inputParameters,
- &outputParameters,
- (double)SAMPLE_RATE, /* Samplerate in Hertz. */
- 512, /* Small buffers */
- paClipOff, /* We won't output out of range samples so don't bother clipping them. */
- patest1Callback,
- &data );
- if( err != paNoError ) goto done;
-
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto done;
-
- printf( "Press any key to end.\n" ); fflush(stdout);
-
- getc( stdin ); /* wait for input before exiting */
-
- err = Pa_AbortStream( stream );
- if( err != paNoError ) goto done;
-
- printf( "Waiting for stream to complete...\n" );
-
- /* sleep until playback has finished */
- while( ( err = Pa_IsStreamActive( stream ) ) == 1 ) Pa_Sleep(1000);
- if( err < 0 ) goto done;
-
- err = Pa_CloseStream( stream );
- if( err != paNoError ) goto done;
-
-done:
- Pa_Terminate();
-
- if( err != paNoError )
- {
- fprintf( stderr, "An error occured while using portaudio\n" );
- if( err == paUnanticipatedHostError )
- {
- fprintf( stderr, " unanticipated host error.\n");
- herr = Pa_GetLastHostErrorInfo();
- if (herr)
- {
- fprintf( stderr, " Error number: %ld\n", herr->errorCode );
- if (herr->errorText)
- fprintf( stderr, " Error text: %s\n", herr->errorText );
- }
- else
- fprintf( stderr, " Pa_GetLastHostErrorInfo() failed!\n" );
- }
- else
- {
- fprintf( stderr, " Error number: %d\n", err );
- fprintf( stderr, " Error text: %s\n", Pa_GetErrorText( err ) );
- }
-
- err = 1; /* Always return 0 or 1, but no other return codes. */
- }
-
- printf( "bye\n" );
-
- return err;
-}
diff --git a/src/audio/portaudio/pa_tests/patest_buffer.c b/src/audio/portaudio/pa_tests/patest_buffer.c
deleted file mode 100644
index 39c5dd21dc..0000000000
--- a/src/audio/portaudio/pa_tests/patest_buffer.c
+++ /dev/null
@@ -1,180 +0,0 @@
-/** @file patest_buffer.c
- @brief Test opening streams with different buffer sizes.
- @author Phil Burk http://www.softsynth.com
-*/
-/*
- * $Id$
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.portaudio.com
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-#include <stdio.h>
-#include <stdlib.h>
-#include <math.h>
-#include "portaudio.h"
-#define NUM_SECONDS (1)
-#define SAMPLE_RATE (44100)
-#ifndef M_PI
-#define M_PI (3.14159265)
-#endif
-#define TABLE_SIZE (200)
-
-#define BUFFER_TABLE 9
-long buffer_table[] = {200,256,500,512,600, 723, 1000, 1024, 2345};
-
-typedef struct
-{
- short sine[TABLE_SIZE];
- int left_phase;
- int right_phase;
- unsigned int sampsToGo;
-}
-paTestData;
-PaError TestOnce( int buffersize );
-
-/* This routine will be called by the PortAudio engine when audio is needed.
-** It may called at interrupt level on some machines so don't do anything
-** that could mess up the system like calling malloc() or free().
-*/
-static int patest1Callback( const void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- const PaStreamCallbackTimeInfo* timeInfo,
- PaStreamCallbackFlags statusFlags,
- void *userData )
-{
- paTestData *data = (paTestData*)userData;
- short *out = (short*)outputBuffer;
- unsigned int i;
- int finished = 0;
- (void) inputBuffer; /* Prevent "unused variable" warnings. */
-
- if( data->sampsToGo < framesPerBuffer )
- {
- /* final buffer... */
-
- for( i=0; i<data->sampsToGo; i++ )
- {
- *out++ = data->sine[data->left_phase]; /* left */
- *out++ = data->sine[data->right_phase]; /* right */
- data->left_phase += 1;
- if( data->left_phase >= TABLE_SIZE ) data->left_phase -= TABLE_SIZE;
- data->right_phase += 3; /* higher pitch so we can distinguish left and right. */
- if( data->right_phase >= TABLE_SIZE ) data->right_phase -= TABLE_SIZE;
- }
- /* zero remainder of final buffer */
- for( ; i<framesPerBuffer; i++ )
- {
- *out++ = 0; /* left */
- *out++ = 0; /* right */
- }
-
- finished = 1;
- }
- else
- {
- for( i=0; i<framesPerBuffer; i++ )
- {
- *out++ = data->sine[data->left_phase]; /* left */
- *out++ = data->sine[data->right_phase]; /* right */
- data->left_phase += 1;
- if( data->left_phase >= TABLE_SIZE ) data->left_phase -= TABLE_SIZE;
- data->right_phase += 3; /* higher pitch so we can distinguish left and right. */
- if( data->right_phase >= TABLE_SIZE ) data->right_phase -= TABLE_SIZE;
- }
- data->sampsToGo -= framesPerBuffer;
- }
- return finished;
-}
-/*******************************************************************/
-int main(void);
-int main(void)
-{
- int i;
- PaError err;
- printf("Test opening streams with different buffer sizes\n\n");
-
- for (i = 0 ; i < BUFFER_TABLE; i++)
- {
- printf("Buffer size %ld\n", buffer_table[i]);
- err = TestOnce(buffer_table[i]);
- if( err < 0 ) return 0;
-
- }
- return 0;
-}
-
-
-PaError TestOnce( int buffersize )
-{
- PaStreamParameters outputParameters;
- PaStream *stream;
- PaError err;
- paTestData data;
- int i;
- int totalSamps;
- /* initialise sinusoidal wavetable */
- for( i=0; i<TABLE_SIZE; i++ )
- {
- data.sine[i] = (short) (32767.0 * sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. ));
- }
- data.left_phase = data.right_phase = 0;
- data.sampsToGo = totalSamps = NUM_SECONDS * SAMPLE_RATE; /* Play for a few seconds. */
- err = Pa_Initialize();
- if( err != paNoError ) goto error;
-
- outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */
- outputParameters.channelCount = 2; /* stereo output */
- outputParameters.sampleFormat = paInt16; /* 32 bit floating point output */
- outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
- outputParameters.hostApiSpecificStreamInfo = NULL;
- err = Pa_OpenStream(
- &stream,
- NULL, /* no input */
- &outputParameters,
- SAMPLE_RATE,
- buffersize, /* frames per buffer */
- (paClipOff | paDitherOff),
- patest1Callback,
- &data );
- if( err != paNoError ) goto error;
-
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto error;
- printf("Waiting for sound to finish.\n");
- Pa_Sleep(1000);
- err = Pa_CloseStream( stream );
- if( err != paNoError ) goto error;
- Pa_Terminate();
- return paNoError;
-error:
- Pa_Terminate();
- fprintf( stderr, "An error occured while using the portaudio stream\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- return err;
-}
diff --git a/src/audio/portaudio/pa_tests/patest_callbackstop.c b/src/audio/portaudio/pa_tests/patest_callbackstop.c
deleted file mode 100644
index 2da642e438..0000000000
--- a/src/audio/portaudio/pa_tests/patest_callbackstop.c
+++ /dev/null
@@ -1,221 +0,0 @@
-/** @file patest_callbackstop.c
- @brief Test the paComplete callback result code.
- @author Ross Bencina <rossb@audiomulch.com>
-*/
-/*
- * $Id$
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.portaudio.com/
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-#include <stdio.h>
-#include <math.h>
-#include "portaudio.h"
-
-#define NUM_SECONDS (5)
-#define NUM_LOOPS (4)
-#define SAMPLE_RATE (44100)
-#define FRAMES_PER_BUFFER (67)
-
-#ifndef M_PI
-#define M_PI (3.14159265)
-#endif
-
-#define TABLE_SIZE (200)
-typedef struct
-{
- float sine[TABLE_SIZE];
- int phase;
- unsigned long generatedFramesCount;
- volatile int callbackReturnedPaComplete;
- volatile int callbackInvokedAfterReturningPaComplete;
-}
-TestData;
-
-/*
- This routine will be called by the PortAudio stream when audio is needed.
- It may be called at interrupt level on some machines so don't do anything
- that could mess up the system like calling malloc() or free().
-*/
-static int TestCallback( const void *input, void *output,
- unsigned long frameCount,
- const PaStreamCallbackTimeInfo* timeInfo,
- PaStreamCallbackFlags statusFlags,
- void *userData )
-{
- TestData *data = (TestData*)userData;
- float *out = (float*)output;
- unsigned long i;
- float x;
-
- (void) input; /* Prevent unused variable warnings. */
- (void) timeInfo;
- (void) statusFlags;
-
-
- if( data->callbackReturnedPaComplete )
- data->callbackInvokedAfterReturningPaComplete = 1;
-
- for( i=0; i<frameCount; i++ )
- {
- /* generate tone */
-
- x = data->sine[ data->phase++ ];
- if( data->phase >= TABLE_SIZE )
- data->phase -= TABLE_SIZE;
-
- *out++ = x; /* left */
- *out++ = x; /* right */
- }
-
- data->generatedFramesCount += frameCount;
- if( data->generatedFramesCount >= (NUM_SECONDS * SAMPLE_RATE) )
- {
- data->callbackReturnedPaComplete = 1;
- return paComplete;
- }
- else
- {
- return paContinue;
- }
-}
-
-/*----------------------------------------------------------------------------*/
-int main(void);
-int main(void)
-{
- PaStreamParameters outputParameters;
- PaStream *stream;
- PaError err;
- TestData data;
- int i, j;
-
-
- printf( "PortAudio Test: output sine wave. SR = %d, BufSize = %d\n",
- SAMPLE_RATE, FRAMES_PER_BUFFER );
-
- /* initialise sinusoidal wavetable */
- for( i=0; i<TABLE_SIZE; i++ )
- {
- data.sine[i] = (float) sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. );
- }
-
- err = Pa_Initialize();
- if( err != paNoError ) goto error;
-
- outputParameters.device = Pa_GetDefaultOutputDevice();
- outputParameters.channelCount = 2; /* stereo output */
- outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */
- outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
- outputParameters.hostApiSpecificStreamInfo = NULL;
-
- err = Pa_OpenStream(
- &stream,
- NULL, /* no input */
- &outputParameters,
- SAMPLE_RATE,
- FRAMES_PER_BUFFER,
- paClipOff, /* output will be in-range, so no need to clip */
- TestCallback,
- &data );
- if( err != paNoError ) goto error;
-
- printf("Repeating test %d times.\n", NUM_LOOPS );
-
- for( i=0; i < NUM_LOOPS; ++i )
- {
- data.phase = 0;
- data.generatedFramesCount = 0;
- data.callbackReturnedPaComplete = 0;
- data.callbackInvokedAfterReturningPaComplete = 0;
-
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto error;
-
- printf("Play for %d seconds.\n", NUM_SECONDS );
-
- /* wait for the callback to complete generating NUM_SECONDS of tone */
-
- do
- {
- Pa_Sleep( 500 );
- }
- while( !data.callbackReturnedPaComplete );
-
- printf( "Callback returned paComplete.\n" );
- printf( "Waiting for buffers to finish playing...\n" );
-
- /* wait for stream to become inactive,
- or for a timeout of approximately NUM_SECONDS
- */
-
- j = 0;
- while( (err = Pa_IsStreamActive( stream )) == 1 && j < NUM_SECONDS * 2 )
- {
- printf(".\n" );
- Pa_Sleep( 500 );
- ++j;
- }
-
- if( err < 0 )
- {
- goto error;
- }
- else if( err == 1 )
- {
- printf( "TEST FAILED: Timed out waiting for buffers to finish playing.\n" );
- }
- else
- {
- printf("Buffers finished.\n" );
- }
-
- if( data.callbackInvokedAfterReturningPaComplete )
- {
- printf( "TEST FAILED: Callback was invoked after returning paComplete.\n" );
- }
-
-
- err = Pa_StopStream( stream );
- if( err != paNoError ) goto error;
- }
-
- err = Pa_CloseStream( stream );
- if( err != paNoError ) goto error;
-
- Pa_Terminate();
- printf("Test finished.\n");
-
- return err;
-error:
- Pa_Terminate();
- fprintf( stderr, "An error occured while using the portaudio stream\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- return err;
-}
diff --git a/src/audio/portaudio/pa_tests/patest_clip.c b/src/audio/portaudio/pa_tests/patest_clip.c
deleted file mode 100644
index 1d17d11b25..0000000000
--- a/src/audio/portaudio/pa_tests/patest_clip.c
+++ /dev/null
@@ -1,178 +0,0 @@
-/** @file patest_clip.c
- @brief Play a sine wave for several seconds at an amplitude
- that would require clipping.
-
- @author Phil Burk http://www.softsynth.com
-*/
-/*
- * $Id$
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.portaudio.com
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-#include <stdio.h>
-#include <math.h>
-#include "portaudio.h"
-
-#define NUM_SECONDS (4)
-#define SAMPLE_RATE (44100)
-#ifndef M_PI
-#define M_PI (3.14159265)
-#endif
-#define TABLE_SIZE (200)
-
-typedef struct paTestData
-{
- float sine[TABLE_SIZE];
- float amplitude;
- int left_phase;
- int right_phase;
-}
-paTestData;
-
-PaError PlaySine( paTestData *data, unsigned long flags, float amplitude );
-
-/* This routine will be called by the PortAudio engine when audio is needed.
-** It may called at interrupt level on some machines so don't do anything
-** that could mess up the system like calling malloc() or free().
-*/
-static int sineCallback( const void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- const PaStreamCallbackTimeInfo* timeInfo,
- PaStreamCallbackFlags statusFlags,
- void *userData )
-{
- paTestData *data = (paTestData*)userData;
- float *out = (float*)outputBuffer;
- float amplitude = data->amplitude;
- unsigned int i;
- (void) inputBuffer; /* Prevent "unused variable" warnings. */
- (void) timeInfo;
- (void) statusFlags;
-
- for( i=0; i<framesPerBuffer; i++ )
- {
- *out++ = amplitude * data->sine[data->left_phase]; /* left */
- *out++ = amplitude * data->sine[data->right_phase]; /* right */
- data->left_phase += 1;
- if( data->left_phase >= TABLE_SIZE ) data->left_phase -= TABLE_SIZE;
- data->right_phase += 3; /* higher pitch so we can distinguish left and right. */
- if( data->right_phase >= TABLE_SIZE ) data->right_phase -= TABLE_SIZE;
- }
- return 0;
-}
-/*******************************************************************/
-int main(void);
-int main(void)
-{
- PaError err;
- paTestData data;
- int i;
-
- printf("PortAudio Test: output sine wave with and without clipping.\n");
- /* initialise sinusoidal wavetable */
- for( i=0; i<TABLE_SIZE; i++ )
- {
- data.sine[i] = (float) sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. );
- }
-
- printf("\nHalf amplitude. Should sound like sine wave.\n"); fflush(stdout);
- err = PlaySine( &data, paClipOff | paDitherOff, 0.5f );
- if( err < 0 ) goto error;
-
- printf("\nFull amplitude. Should sound like sine wave.\n"); fflush(stdout);
- err = PlaySine( &data, paClipOff | paDitherOff, 0.999f );
- if( err < 0 ) goto error;
-
- printf("\nOver range with clipping and dithering turned OFF. Should sound very nasty.\n");
- fflush(stdout);
- err = PlaySine( &data, paClipOff | paDitherOff, 1.1f );
- if( err < 0 ) goto error;
-
- printf("\nOver range with clipping and dithering turned ON. Should sound smoother than previous.\n");
- fflush(stdout);
- err = PlaySine( &data, paNoFlag, 1.1f );
- if( err < 0 ) goto error;
-
- printf("\nOver range with paClipOff but dithering ON.\n"
- "That forces clipping ON so it should sound the same as previous.\n");
- fflush(stdout);
- err = PlaySine( &data, paClipOff, 1.1f );
- if( err < 0 ) goto error;
-
- return 0;
-error:
- fprintf( stderr, "An error occured while using the portaudio stream\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- return 1;
-}
-/*****************************************************************************/
-PaError PlaySine( paTestData *data, unsigned long flags, float amplitude )
-{
- PaStreamParameters outputParameters;
- PaStream *stream;
- PaError err;
-
- data->left_phase = data->right_phase = 0;
- data->amplitude = amplitude;
-
- err = Pa_Initialize();
- if( err != paNoError ) goto error;
-
- outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */
- outputParameters.channelCount = 2; /* stereo output */
- outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */
- outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
- outputParameters.hostApiSpecificStreamInfo = NULL;
-
- err = Pa_OpenStream(
- &stream,
- NULL, /* no input */
- &outputParameters,
- SAMPLE_RATE,
- 1024,
- flags,
- sineCallback,
- data );
- if( err != paNoError ) goto error;
-
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto error;
-
- Pa_Sleep( NUM_SECONDS * 1000 );
- printf("CPULoad = %8.6f\n", Pa_GetStreamCpuLoad( stream ) );
-
- err = Pa_CloseStream( stream );
- if( err != paNoError ) goto error;
-
- Pa_Terminate();
- return paNoError;
-error:
- return err;
-}
diff --git a/src/audio/portaudio/pa_tests/patest_dither.c b/src/audio/portaudio/pa_tests/patest_dither.c
deleted file mode 100644
index 10f03e42b9..0000000000
--- a/src/audio/portaudio/pa_tests/patest_dither.c
+++ /dev/null
@@ -1,178 +0,0 @@
-/** @file patest_dither.c
- @brief Attempt to hear difference between dithered and non-dithered signal.
-
- This only has an effect if the native format is 16 bit.
-
- @author Phil Burk http://www.softsynth.com
-*/
-/*
- * $Id$
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.portaudio.com
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-#include <stdio.h>
-#include <math.h>
-
-#include "portaudio.h"
-
-#define NUM_SECONDS (5)
-#define SAMPLE_RATE (44100)
-#ifndef M_PI
-#define M_PI (3.14159265)
-#endif
-#define TABLE_SIZE (200)
-
-typedef struct paTestData
-{
- float sine[TABLE_SIZE];
- float amplitude;
- int left_phase;
- int right_phase;
-}
-paTestData;
-
-/* This routine will be called by the PortAudio engine when audio is needed.
-** It may called at interrupt level on some machines so don't do anything
-** that could mess up the system like calling malloc() or free().
-*/
-static int sineCallback( const void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- const PaStreamCallbackTimeInfo *timeInfo,
- PaStreamCallbackFlags statusFlags, void *userData )
-{
- paTestData *data = (paTestData*)userData;
- float *out = (float*)outputBuffer;
- float amplitude = data->amplitude;
- unsigned int i;
- (void) inputBuffer;
-
- for( i=0; i<framesPerBuffer; i++ )
- {
- *out++ = amplitude * data->sine[data->left_phase]; /* left */
- *out++ = amplitude * data->sine[data->right_phase]; /* right */
- data->left_phase += 1;
- if( data->left_phase >= TABLE_SIZE ) data->left_phase -= TABLE_SIZE;
- data->right_phase += 3; /* higher pitch so we can distinguish left and right. */
- if( data->right_phase >= TABLE_SIZE ) data->right_phase -= TABLE_SIZE;
- }
- return 0;
-}
-
-/*****************************************************************************/
-/*
- V18 version did not call Pa_Terminate() if Pa_Initialize() failed.
- This V19 version ALWAYS calls Pa_Terminate(). PS.
-*/
-PaError PlaySine( paTestData *data, PaStreamFlags flags, float amplitude );
-PaError PlaySine( paTestData *data, PaStreamFlags flags, float amplitude )
-{
- PaStream* stream;
- PaStreamParameters outputParameters;
- PaError err;
-
- data->left_phase = data->right_phase = 0;
- data->amplitude = amplitude;
-
- err = Pa_Initialize();
- if (err != paNoError)
- goto done;
-
- outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */
- outputParameters.channelCount = 2; /* stereo output */
- outputParameters.hostApiSpecificStreamInfo = NULL;
- outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output. */
- /* When you change this, also */
- /* adapt the callback routine! */
- outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )
- ->defaultLowOutputLatency; /* Low latency. */
- err = Pa_OpenStream( &stream,
- NULL, /* No input. */
- &outputParameters,
- SAMPLE_RATE,
- 1024, /* frames per buffer */
- flags,
- sineCallback,
- (void*)data );
- if (err != paNoError)
- goto done;
-
- err = Pa_StartStream( stream );
- if (err != paNoError)
- goto done;
-
- Pa_Sleep( NUM_SECONDS * 1000 );
- printf("CPULoad = %8.6f\n", Pa_GetStreamCpuLoad(stream));
-
- err = Pa_CloseStream( stream );
-done:
- Pa_Sleep( 250 ); /* Just a small silence. */
- Pa_Terminate();
- return err;
-}
-
-
-/*******************************************************************/
-int main(void);
-int main(void)
-{
- PaError err;
- paTestData DATA;
- int i;
- float amplitude = 4.0 / (1<<15);
-
- printf("PortAudio Test: output EXTREMELY QUIET sine wave with and without dithering.\n");
- /* initialise sinusoidal wavetable */
- for( i=0; i<TABLE_SIZE; i++ )
- {
- DATA.sine[i] = (float) sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. );
- }
- printf("\nNo treatment..\n"); fflush(stdout);
- err = PlaySine( &DATA, paClipOff | paDitherOff, amplitude );
- if( err < 0 ) goto done;
-
- printf("\nClip..\n");
- fflush(stdout);
- err = PlaySine( &DATA, paDitherOff, amplitude );
- if( err < 0 ) goto done;
-
- printf("\nClip and Dither..\n");
- fflush(stdout);
- err = PlaySine( &DATA, paNoFlag, amplitude );
-done:
- if (err)
- {
- fprintf( stderr, "An error occured while using the portaudio stream\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- err = 1; /* Though PlaySine() already called Pa_Terminate(), */
- } /* we may still call Pa_GetErrorText(). */
- else
- printf("\n(Don't forget to turn the VOLUME DOWN after listening so carefully.)\n");
- return err; /* 0 or 1. */
-}
diff --git a/src/audio/portaudio/pa_tests/patest_hang.c b/src/audio/portaudio/pa_tests/patest_hang.c
deleted file mode 100644
index 42858f2d0e..0000000000
--- a/src/audio/portaudio/pa_tests/patest_hang.c
+++ /dev/null
@@ -1,152 +0,0 @@
-/** @file patest_hang.c
- @brief Play a sine then hang audio callback to test watchdog.
- @author Ross Bencina <rossb@audiomulch.com>
- @author Phil Burk <philburk@softsynth.com>
-*/
-/*
- * $Id$
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.audiomulch.com/portaudio/
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-#include <stdio.h>
-#include <math.h>
-
-#include "portaudio.h"
-
-#define SAMPLE_RATE (44100)
-#define FRAMES_PER_BUFFER (1024)
-#ifndef M_PI
-#define M_PI (3.14159265)
-#endif
-#define TWOPI (M_PI * 2.0)
-
-typedef struct paTestData
-{
- int sleepFor;
- double phase;
-}
-paTestData;
-
-/* This routine will be called by the PortAudio engine when audio is needed.
-** It may called at interrupt level on some machines so don't do anything
-** that could mess up the system like calling malloc() or free().
-*/
-static int patestCallback( const void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- const PaStreamCallbackTimeInfo* timeInfo,
- PaStreamCallbackFlags statusFlags,
- void *userData )
-{
- paTestData *data = (paTestData*)userData;
- float *out = (float*)outputBuffer;
- unsigned long i;
- int finished = 0;
- double phaseInc = 0.02;
- double phase = data->phase;
-
- (void) inputBuffer; /* Prevent unused argument warning. */
-
- for( i=0; i<framesPerBuffer; i++ )
- {
- phase += phaseInc;
- if( phase > TWOPI ) phase -= TWOPI;
- /* This is not a very efficient way to calc sines. */
- *out++ = (float) sin( phase ); /* mono */
- }
-
- if( data->sleepFor > 0 )
- {
- Pa_Sleep( data->sleepFor );
- }
-
- data->phase = phase;
- return finished;
-}
-
-/*******************************************************************/
-int main(void);
-int main(void)
-{
- PaStream* stream;
- PaStreamParameters outputParameters;
- PaError err;
- int i;
- paTestData data = {0};
-
- printf("PortAudio Test: output sine wave. SR = %d, BufSize = %d\n",
- SAMPLE_RATE, FRAMES_PER_BUFFER );
-
- err = Pa_Initialize();
- if( err != paNoError ) goto error;
-
- outputParameters.device = Pa_GetDefaultOutputDevice(); /* Default output device. */
- outputParameters.channelCount = 1; /* Mono output. */
- outputParameters.sampleFormat = paFloat32; /* 32 bit floating point. */
- outputParameters.hostApiSpecificStreamInfo = NULL;
- outputParameters.suggestedLatency = Pa_GetDeviceInfo(outputParameters.device)
- ->defaultLowOutputLatency;
- err = Pa_OpenStream(&stream,
- NULL, /* No input. */
- &outputParameters,
- SAMPLE_RATE,
- FRAMES_PER_BUFFER,
- paClipOff, /* No out of range samples. */
- patestCallback,
- &data);
- if (err != paNoError) goto error;
-
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto error;
-
- /* Gradually increase sleep time. */
- /* Was: for( i=0; i<10000; i+= 1000 ) */
- for(i=0; i <= 1000; i += 100)
- {
- printf("Sleep for %d milliseconds in audio callback.\n", i );
- data.sleepFor = i;
- Pa_Sleep( ((i<1000) ? 1000 : i) );
- }
-
- printf("Suffer for 10 seconds.\n");
- Pa_Sleep( 10000 );
-
- err = Pa_StopStream( stream );
- if( err != paNoError ) goto error;
- err = Pa_CloseStream( stream );
- if( err != paNoError ) goto error;
- Pa_Terminate();
- printf("Test finished.\n");
- return err;
-error:
- Pa_Terminate();
- fprintf( stderr, "An error occured while using the portaudio stream\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- return err;
-}
diff --git a/src/audio/portaudio/pa_tests/patest_in_overflow.c b/src/audio/portaudio/pa_tests/patest_in_overflow.c
deleted file mode 100644
index a0be2c6a1f..0000000000
--- a/src/audio/portaudio/pa_tests/patest_in_overflow.c
+++ /dev/null
@@ -1,224 +0,0 @@
-/** @file patest_in_overflow.c
- @brief Count input overflows (using paInputOverflow flag) under
- overloaded and normal conditions.
- This test uses the same method to overload the stream as does
- patest_out_underflow.c -- it generates sine waves until the cpu load
- exceeds a certain level. However this test is only concerned with
- input and so doesn't ouput any sound.
-
- @author Ross Bencina <rossb@audiomulch.com>
- @author Phil Burk <philburk@softsynth.com>
-*/
-/*
- * $Id$
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.audiomulch.com/portaudio/
- * Copyright (c) 1999-2004 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-#include <stdio.h>
-#include <math.h>
-#include "portaudio.h"
-
-#define MAX_SINES (500)
-#define MAX_LOAD (1.2)
-#define SAMPLE_RATE (44100)
-#define FRAMES_PER_BUFFER (512)
-#ifndef M_PI
-#define M_PI (3.14159265)
-#endif
-#define TWOPI (M_PI * 2.0)
-
-typedef struct paTestData
-{
- int sineCount;
- double phases[MAX_SINES];
- int countOverflows;
- int inputOverflowCount;
-}
-paTestData;
-
-/* This routine will be called by the PortAudio engine when audio is needed.
-** It may called at interrupt level on some machines so don't do anything
-** that could mess up the system like calling malloc() or free().
-*/
-static int patestCallback( const void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- const PaStreamCallbackTimeInfo* timeInfo,
- PaStreamCallbackFlags statusFlags,
- void *userData )
-{
- paTestData *data = (paTestData*)userData;
- float out; /* variable to hold dummy output */
- unsigned long i;
- int j;
- int finished = paContinue;
- (void) timeInfo; /* Prevent unused variable warning. */
- (void) inputBuffer; /* Prevent unused variable warning. */
- (void) outputBuffer; /* Prevent unused variable warning. */
-
- if( data->countOverflows && (statusFlags & paInputOverflow) )
- data->inputOverflowCount++;
-
- for( i=0; i<framesPerBuffer; i++ )
- {
- float output = 0.0;
- double phaseInc = 0.02;
- double phase;
-
- for( j=0; j<data->sineCount; j++ )
- {
- /* Advance phase of next oscillator. */
- phase = data->phases[j];
- phase += phaseInc;
- if( phase > TWOPI ) phase -= TWOPI;
-
- phaseInc *= 1.02;
- if( phaseInc > 0.5 ) phaseInc *= 0.5;
-
- /* This is not a very efficient way to calc sines. */
- output += (float) sin( phase );
- data->phases[j] = phase;
- }
- /* this is an input-only stream so we don't actually use the output */
- out = (float) (output / data->sineCount);
- (void) out; /* suppress unused variable warning*/
- }
-
- return finished;
-}
-
-/*******************************************************************/
-int main(void);
-int main(void)
-{
- PaStreamParameters inputParameters;
- PaStream *stream;
- PaError err;
- int safeSineCount, stressedSineCount;
- int safeOverflowCount, stressedOverflowCount;
- paTestData data = {0};
- double load;
-
-
- printf("PortAudio Test: input only, no sound output. Load callback by performing calculations, count input overflows. SR = %d, BufSize = %d. MAX_LOAD = %f\n",
- SAMPLE_RATE, FRAMES_PER_BUFFER, (float)MAX_LOAD );
-
- err = Pa_Initialize();
- if( err != paNoError ) goto error;
-
- inputParameters.device = Pa_GetDefaultInputDevice(); /* default input device */
- inputParameters.channelCount = 1; /* mono output */
- inputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */
- inputParameters.suggestedLatency = Pa_GetDeviceInfo( inputParameters.device )->defaultLowInputLatency;
- inputParameters.hostApiSpecificStreamInfo = NULL;
-
- err = Pa_OpenStream(
- &stream,
- &inputParameters,
- NULL, /* no output */
- SAMPLE_RATE,
- FRAMES_PER_BUFFER,
- paClipOff, /* we won't output out of range samples so don't bother clipping them */
- patestCallback,
- &data );
- if( err != paNoError ) goto error;
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto error;
-
- printf("Establishing load conditions...\n" );
-
- /* Determine number of sines required to get to 50% */
- do
- {
- data.sineCount++;
- Pa_Sleep( 100 );
-
- load = Pa_GetStreamCpuLoad( stream );
- printf("sineCount = %d, CPU load = %f\n", data.sineCount, load );
- }
- while( load < 0.5 && data.sineCount < (MAX_SINES-1));
-
- safeSineCount = data.sineCount;
-
- /* Calculate target stress value then ramp up to that level*/
- stressedSineCount = (int) (2.0 * data.sineCount * MAX_LOAD );
- if( stressedSineCount > MAX_SINES )
- stressedSineCount = MAX_SINES;
- for( ; data.sineCount < stressedSineCount; data.sineCount++ )
- {
- Pa_Sleep( 100 );
- load = Pa_GetStreamCpuLoad( stream );
- printf("STRESSING: sineCount = %d, CPU load = %f\n", data.sineCount, load );
- }
-
- printf("Counting overflows for 5 seconds.\n");
- data.countOverflows = 1;
- Pa_Sleep( 5000 );
-
- stressedOverflowCount = data.inputOverflowCount;
-
- data.countOverflows = 0;
- data.sineCount = safeSineCount;
-
- printf("Resuming safe load...\n");
- Pa_Sleep( 1500 );
- data.inputOverflowCount = 0;
- Pa_Sleep( 1500 );
- load = Pa_GetStreamCpuLoad( stream );
- printf("sineCount = %d, CPU load = %f\n", data.sineCount, load );
-
- printf("Counting overflows for 5 seconds.\n");
- data.countOverflows = 1;
- Pa_Sleep( 5000 );
-
- safeOverflowCount = data.inputOverflowCount;
-
- printf("Stop stream.\n");
- err = Pa_StopStream( stream );
- if( err != paNoError ) goto error;
-
- err = Pa_CloseStream( stream );
- if( err != paNoError ) goto error;
-
- Pa_Terminate();
-
- if( stressedOverflowCount == 0 )
- printf("Test failed, no input overflows detected under stress.\n");
- else if( safeOverflowCount != 0 )
- printf("Test failed, %d unexpected overflows detected under safe load.\n", safeOverflowCount);
- else
- printf("Test passed, %d expected input overflows detected under stress, 0 unexpected overflows detected under safe load.\n", stressedOverflowCount );
-
- return err;
-error:
- Pa_Terminate();
- fprintf( stderr, "An error occured while using the portaudio stream\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- return err;
-}
diff --git a/src/audio/portaudio/pa_tests/patest_latency.c b/src/audio/portaudio/pa_tests/patest_latency.c
deleted file mode 100644
index f4225112ae..0000000000
--- a/src/audio/portaudio/pa_tests/patest_latency.c
+++ /dev/null
@@ -1,182 +0,0 @@
-/** @file
- @brief Hear the latency caused by big buffers.
- Play a sine wave and change frequency based on letter input.
- @author Phil Burk <philburk@softsynth.com>, and Darren Gibbs
-*/
-/*
- * $Id$
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.portaudio.com
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-
-#include <stdio.h>
-#include <math.h>
-#include "portaudio.h"
-
-#define OUTPUT_DEVICE (Pa_GetDefaultOutputDevice())
-#define SAMPLE_RATE (44100)
-#define FRAMES_PER_BUFFER (64)
-
-#define MIN_FREQ (100.0f)
-#define CalcPhaseIncrement(freq) ((freq)/SAMPLE_RATE)
-#ifndef M_PI
-#define M_PI (3.14159265)
-#endif
-#define TABLE_SIZE (400)
-
-typedef struct
-{
- float sine[TABLE_SIZE + 1]; /* add one for guard point for interpolation */
- float phase_increment;
- float left_phase;
- float right_phase;
-}
-paTestData;
-
-float LookupSine( paTestData *data, float phase );
-/* Convert phase between and 1.0 to sine value
- * using linear interpolation.
- */
-float LookupSine( paTestData *data, float phase )
-{
- float fIndex = phase*TABLE_SIZE;
- int index = (int) fIndex;
- float fract = fIndex - index;
- float lo = data->sine[index];
- float hi = data->sine[index+1];
- float val = lo + fract*(hi-lo);
- return val;
-}
-
-/* This routine will be called by the PortAudio engine when audio is needed.
-** It may called at interrupt level on some machines so don't do anything
-** that could mess up the system like calling malloc() or free().
-*/
-static int patestCallback( const void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- const PaStreamCallbackTimeInfo* timeInfo,
- PaStreamCallbackFlags statusFlags,
- void *userData )
-{
- paTestData *data = (paTestData*)userData;
- float *out = (float*)outputBuffer;
- int i;
-
- (void) inputBuffer; /* Prevent unused variable warning. */
-
- for( i=0; i<framesPerBuffer; i++ )
- {
- *out++ = LookupSine(data, data->left_phase); /* left */
- *out++ = LookupSine(data, data->right_phase); /* right */
- data->left_phase += data->phase_increment;
- if( data->left_phase >= 1.0f ) data->left_phase -= 1.0f;
- data->right_phase += (data->phase_increment * 1.5f); /* fifth above */
- if( data->right_phase >= 1.0f ) data->right_phase -= 1.0f;
- }
- return 0;
-}
-
-/*******************************************************************/
-int main(void);
-int main(void)
-{
- PaStream *stream;
- PaStreamParameters outputParameters;
- PaError err;
- paTestData data;
- int i;
- int done = 0;
-
- printf("PortAudio Test: enter letter then hit ENTER.\n" );
- /* initialise sinusoidal wavetable */
- for( i=0; i<TABLE_SIZE; i++ )
- {
- data.sine[i] = 0.90f * (float) sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. );
- }
- data.sine[TABLE_SIZE] = data.sine[0]; /* set guard point. */
- data.left_phase = data.right_phase = 0.0;
- data.phase_increment = CalcPhaseIncrement(MIN_FREQ);
-
- err = Pa_Initialize();
- if( err != paNoError ) goto error;
- printf("PortAudio Test: output device = %d\n", OUTPUT_DEVICE );
-
- outputParameters.device = OUTPUT_DEVICE;
- outputParameters.channelCount = 2; /* stereo output */
- outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */
- outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
- outputParameters.hostApiSpecificStreamInfo = NULL;
-
- printf("Requested output latency = %.4f seconds.\n", outputParameters.suggestedLatency );
- printf("%d frames per buffer.\n.", FRAMES_PER_BUFFER );
-
- err = Pa_OpenStream(
- &stream,
- NULL, /* no input */
- &outputParameters,
- SAMPLE_RATE,
- FRAMES_PER_BUFFER,
- paClipOff|paDitherOff, /* we won't output out of range samples so don't bother clipping them */
- patestCallback,
- &data );
- if( err != paNoError ) goto error;
-
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto error;
- printf("Play ASCII keyboard. Hit 'q' to stop. (Use RETURN key on Mac)\n");
- fflush(stdout);
- while ( !done )
- {
- float freq;
- int index;
- char c;
- do
- {
- c = getchar();
- }
- while( c < ' '); /* Strip white space and control chars. */
-
- if( c == 'q' ) done = 1;
- index = c % 26;
- freq = MIN_FREQ + (index * 40.0);
- data.phase_increment = CalcPhaseIncrement(freq);
- }
- printf("Call Pa_StopStream()\n");
- err = Pa_StopStream( stream );
- if( err != paNoError ) goto error;
- Pa_Terminate();
- printf("Test finished.\n");
- return err;
-error:
- Pa_Terminate();
- fprintf( stderr, "An error occured while using the portaudio stream\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- return err;
-}
diff --git a/src/audio/portaudio/pa_tests/patest_leftright.c b/src/audio/portaudio/pa_tests/patest_leftright.c
deleted file mode 100644
index 158223649d..0000000000
--- a/src/audio/portaudio/pa_tests/patest_leftright.c
+++ /dev/null
@@ -1,173 +0,0 @@
-/** @file patest_leftright.c
- @brief Play different tone sine waves that
- alternate between left and right channel.
-
- The low tone should be on the left channel.
-
- @author Ross Bencina <rossb@audiomulch.com>
- @author Phil Burk <philburk@softsynth.com>
-*/
-/*
- * $Id$
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.audiomulch.com/portaudio/
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-#include <stdio.h>
-#include <math.h>
-#include "portaudio.h"
-
-#define NUM_SECONDS (8)
-#define SAMPLE_RATE (44100)
-#define FRAMES_PER_BUFFER (512)
-#ifndef M_PI
-#define M_PI (3.14159265)
-#endif
-#define TABLE_SIZE (200)
-typedef struct
-{
- float sine[TABLE_SIZE];
- int left_phase;
- int right_phase;
- int toggle;
- int countDown;
-}
-paTestData;
-/* This routine will be called by the PortAudio engine when audio is needed.
-** It may called at interrupt level on some machines so don't do anything
-** that could mess up the system like calling malloc() or free().
-*/
-static int patestCallback( const void *inputBuffer,
- void *outputBuffer,
- unsigned long framesPerBuffer,
- const PaStreamCallbackTimeInfo* timeInfo,
- PaStreamCallbackFlags statusFlags,
- void *userData )
-{
- paTestData *data = (paTestData*)userData;
- float *out = (float*)outputBuffer;
- unsigned long i;
- int finished = 0;
- /* Prevent unused variable warnings. */
- (void) inputBuffer;
-
- for( i=0; i<framesPerBuffer; i++ )
- {
- if( data->toggle )
- {
- *out++ = data->sine[data->left_phase]; /* left */
- *out++ = 0; /* right */
- }
- else
- {
- *out++ = 0; /* left */
- *out++ = data->sine[data->right_phase]; /* right */
- }
-
- data->left_phase += 1;
- if( data->left_phase >= TABLE_SIZE ) data->left_phase -= TABLE_SIZE;
- data->right_phase += 3; /* higher pitch so we can distinguish left and right. */
- if( data->right_phase >= TABLE_SIZE ) data->right_phase -= TABLE_SIZE;
- }
-
- if( data->countDown < 0 )
- {
- data->countDown = SAMPLE_RATE;
- data->toggle = !data->toggle;
- }
- data->countDown -= framesPerBuffer;
-
- return finished;
-}
-
-/*******************************************************************/
-int main(void);
-int main(void)
-{
- PaStream *stream;
- PaStreamParameters outputParameters;
- PaError err;
- paTestData data;
- int i;
- int timeout;
-
- printf("Play different tone sine waves that alternate between left and right channel.\n");
- printf("The low tone should be on the left channel.\n");
-
- /* initialise sinusoidal wavetable */
- for( i=0; i<TABLE_SIZE; i++ )
- {
- data.sine[i] = (float) sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. );
- }
- data.left_phase = data.right_phase = data.toggle = 0;
- data.countDown = SAMPLE_RATE;
-
- err = Pa_Initialize();
- if( err != paNoError ) goto error;
-
- outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */
- outputParameters.channelCount = 2; /* stereo output */
- outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */
- outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
- outputParameters.hostApiSpecificStreamInfo = NULL;
-
- err = Pa_OpenStream( &stream,
- NULL, /* No input. */
- &outputParameters, /* As above. */
- SAMPLE_RATE,
- FRAMES_PER_BUFFER,
- paClipOff, /* we won't output out of range samples so don't bother clipping them */
- patestCallback,
- &data );
- if( err != paNoError ) goto error;
-
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto error;
-
- printf("Play for several seconds.\n");
- timeout = NUM_SECONDS * 4;
- while( timeout > 0 )
- {
- Pa_Sleep( 300 ); /*(Irix very much likes sleeps <= 1000 ms.)*/
- timeout -= 1;
- }
-
- err = Pa_StopStream( stream );
- if( err != paNoError ) goto error;
- err = Pa_CloseStream( stream );
- if( err != paNoError ) goto error;
- Pa_Terminate();
- printf("Test finished.\n");
- return err;
-error:
- Pa_Terminate();
- fprintf( stderr, "An error occured while using the portaudio stream\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- return err;
-}
diff --git a/src/audio/portaudio/pa_tests/patest_longsine.c b/src/audio/portaudio/pa_tests/patest_longsine.c
deleted file mode 100644
index 3a6ec39ef5..0000000000
--- a/src/audio/portaudio/pa_tests/patest_longsine.c
+++ /dev/null
@@ -1,140 +0,0 @@
-/** @file patest_longsine.c
- @brief Play a sine wave until ENTER hit.
- @author Phil Burk http://www.softsynth.com
-*/
-/*
- * $Id$
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.portaudio.com
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-
-#include <stdio.h>
-#include <math.h>
-
-#include "portaudio.h"
-
-#define SAMPLE_RATE (44100)
-
-#ifndef M_PI
-#define M_PI (3.14159265)
-#endif
-
-#define TABLE_SIZE (200)
-typedef struct
-{
- float sine[TABLE_SIZE];
- int left_phase;
- int right_phase;
-}
-paTestData;
-
-/* This routine will be called by the PortAudio engine when audio is needed.
-** It may called at interrupt level on some machines so don't do anything
-** that could mess up the system like calling malloc() or free().
-*/
-static int patestCallback(const void* inputBuffer,
- void* outputBuffer,
- unsigned long framesPerBuffer,
- const PaStreamCallbackTimeInfo* timeInfo,
- PaStreamCallbackFlags statusFlags,
- void* userData)
-{
- paTestData *data = (paTestData*)userData;
- float *out = (float*)outputBuffer;
- unsigned int i;
- (void) inputBuffer; /* Prevent unused argument warning. */
- for( i=0; i<framesPerBuffer; i++ )
- {
- *out++ = data->sine[data->left_phase]; /* left */
- *out++ = data->sine[data->right_phase]; /* right */
- data->left_phase += 1;
- if( data->left_phase >= TABLE_SIZE ) data->left_phase -= TABLE_SIZE;
- data->right_phase += 3; /* higher pitch so we can distinguish left and right. */
- if( data->right_phase >= TABLE_SIZE ) data->right_phase -= TABLE_SIZE;
- }
- return 0;
-}
-
-/*******************************************************************/
-int main(void);
-int main(void)
-{
- PaStreamParameters outputParameters;
- PaStream *stream;
- PaError err;
- paTestData data;
- int i;
- printf("PortAudio Test: output sine wave.\n");
-
- /* initialise sinusoidal wavetable */
- for( i=0; i<TABLE_SIZE; i++ )
- {
- data.sine[i] = (float) sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. );
- }
- data.left_phase = data.right_phase = 0;
-
- err = Pa_Initialize();
- if( err != paNoError ) goto error;
-
- outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */
- outputParameters.channelCount = 2; /* stereo output */
- outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */
- outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
- outputParameters.hostApiSpecificStreamInfo = NULL;
-
- err = Pa_OpenStream( &stream,
- NULL, /* No input. */
- &outputParameters, /* As above. */
- SAMPLE_RATE,
- 256, /* Frames per buffer. */
- paClipOff, /* No out of range samples expected. */
- patestCallback,
- &data );
- if( err != paNoError ) goto error;
-
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto error;
-
- printf("Hit ENTER to stop program.\n");
- getchar();
-
- err = Pa_CloseStream( stream );
- if( err != paNoError ) goto error;
- Pa_Terminate();
-
- printf("Test finished.\n");
- return err;
-
-error:
- Pa_Terminate();
- fprintf( stderr, "An error occured while using the portaudio stream\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- return err;
-}
diff --git a/src/audio/portaudio/pa_tests/patest_many.c b/src/audio/portaudio/pa_tests/patest_many.c
deleted file mode 100644
index 6a678467b8..0000000000
--- a/src/audio/portaudio/pa_tests/patest_many.c
+++ /dev/null
@@ -1,198 +0,0 @@
-/** @file patest_many.c
- @brief Start and stop the PortAudio Driver multiple times.
- @author Phil Burk http://www.softsynth.com
-*/
-/*
- * $Id$
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.portaudio.com
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-#include <stdio.h>
-#include <stdlib.h>
-#include <math.h>
-#include "portaudio.h"
-#define NUM_SECONDS (1)
-#define SAMPLE_RATE (44100)
-#ifndef M_PI
-#define M_PI (3.14159265)
-#endif
-#define TABLE_SIZE (200)
-typedef struct
-{
- short sine[TABLE_SIZE];
- int left_phase;
- int right_phase;
- unsigned int sampsToGo;
-}
-paTestData;
-PaError TestOnce( void );
-static int patest1Callback( const void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- const PaStreamCallbackTimeInfo* timeInfo,
- PaStreamCallbackFlags statusFlags,
- void *userData );
-
-/* This routine will be called by the PortAudio engine when audio is needed.
-** It may called at interrupt level on some machines so don't do anything
-** that could mess up the system like calling malloc() or free().
-*/
-static int patest1Callback( const void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- const PaStreamCallbackTimeInfo* timeInfo,
- PaStreamCallbackFlags statusFlags,
- void *userData )
-{
- paTestData *data = (paTestData*)userData;
- short *out = (short*)outputBuffer;
- unsigned int i;
- int finished = 0;
- (void) inputBuffer; /* Prevent "unused variable" warnings. */
-
- if( data->sampsToGo < framesPerBuffer )
- {
- /* final buffer... */
-
- for( i=0; i<data->sampsToGo; i++ )
- {
- *out++ = data->sine[data->left_phase]; /* left */
- *out++ = data->sine[data->right_phase]; /* right */
- data->left_phase += 1;
- if( data->left_phase >= TABLE_SIZE ) data->left_phase -= TABLE_SIZE;
- data->right_phase += 3; /* higher pitch so we can distinguish left and right. */
- if( data->right_phase >= TABLE_SIZE ) data->right_phase -= TABLE_SIZE;
- }
- /* zero remainder of final buffer */
- for( ; i<framesPerBuffer; i++ )
- {
- *out++ = 0; /* left */
- *out++ = 0; /* right */
- }
-
- finished = 1;
- }
- else
- {
- for( i=0; i<framesPerBuffer; i++ )
- {
- *out++ = data->sine[data->left_phase]; /* left */
- *out++ = data->sine[data->right_phase]; /* right */
- data->left_phase += 1;
- if( data->left_phase >= TABLE_SIZE ) data->left_phase -= TABLE_SIZE;
- data->right_phase += 3; /* higher pitch so we can distinguish left and right. */
- if( data->right_phase >= TABLE_SIZE ) data->right_phase -= TABLE_SIZE;
- }
- data->sampsToGo -= framesPerBuffer;
- }
- return finished;
-}
-/*******************************************************************/
-#ifdef MACINTOSH
-int main(void);
-int main(void)
-{
- int i;
- PaError err;
- int numLoops = 10;
- printf("Loop %d times.\n", numLoops );
- for( i=0; i<numLoops; i++ )
- {
- printf("Loop %d out of %d.\n", i+1, numLoops );
- err = TestOnce();
- if( err < 0 ) return 0;
- }
-}
-#else
-int main(int argc, char **argv);
-int main(int argc, char **argv)
-{
- PaError err;
- int i, numLoops = 10;
- if( argc > 1 )
- {
- numLoops = atoi(argv[1]);
- }
- for( i=0; i<numLoops; i++ )
- {
- printf("Loop %d out of %d.\n", i+1, numLoops );
- err = TestOnce();
- if( err < 0 ) return 1;
- }
- printf("Test complete.\n");
- return 0;
-}
-#endif
-PaError TestOnce( void )
-{
- PaStreamParameters outputParameters;
- PaStream *stream;
- PaError err;
- paTestData data;
- int i;
- int totalSamps;
- /* initialise sinusoidal wavetable */
- for( i=0; i<TABLE_SIZE; i++ )
- {
- data.sine[i] = (short) (32767.0 * sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. ));
- }
- data.left_phase = data.right_phase = 0;
- data.sampsToGo = totalSamps = NUM_SECONDS * SAMPLE_RATE; /* Play for a few seconds. */
- err = Pa_Initialize();
- if( err != paNoError ) goto error;
-
- outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */
- outputParameters.channelCount = 2; /* stereo output */
- outputParameters.sampleFormat = paInt16;
- outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
- outputParameters.hostApiSpecificStreamInfo = NULL;
- err = Pa_OpenStream(
- &stream,
- NULL, /* no input */
- &outputParameters,
- SAMPLE_RATE,
- 1024, /* frames per buffer */
- paClipOff, /* we won't output out of range samples so don't bother clipping them */
- patest1Callback,
- &data );
- if( err != paNoError ) goto error;
-
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto error;
- printf("Waiting for sound to finish.\n");
- Pa_Sleep(1000);
- err = Pa_CloseStream( stream );
- if( err != paNoError ) goto error;
- Pa_Terminate();
- return paNoError;
-error:
- Pa_Terminate();
- fprintf( stderr, "An error occured while using the portaudio stream\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- return err;
-}
diff --git a/src/audio/portaudio/pa_tests/patest_maxsines.c b/src/audio/portaudio/pa_tests/patest_maxsines.c
deleted file mode 100644
index 56592ea47d..0000000000
--- a/src/audio/portaudio/pa_tests/patest_maxsines.c
+++ /dev/null
@@ -1,204 +0,0 @@
-/** @file patest_maxsines.c
- @brief How many sine waves can we calculate and play in less than 80% CPU Load.
- @author Ross Bencina <rossb@audiomulch.com>
- @author Phil Burk <philburk@softsynth.com>
-*/
-/*
- * $Id$
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.audiomulch.com/portaudio/
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-#include <stdio.h>
-#include <math.h>
-#include "portaudio.h"
-
-#define MAX_SINES (500)
-#define MAX_USAGE (0.8)
-#define SAMPLE_RATE (44100)
-#define FREQ_TO_PHASE_INC(freq) (freq/(float)SAMPLE_RATE)
-
-#define MIN_PHASE_INC FREQ_TO_PHASE_INC(200.0f)
-#define MAX_PHASE_INC (MIN_PHASE_INC * (1 << 5))
-
-#define FRAMES_PER_BUFFER (512)
-#ifndef M_PI
-#define M_PI (3.14159265)
-#endif
-#define TWOPI (M_PI * 2.0)
-
-#define TABLE_SIZE (512)
-
-typedef struct paTestData
-{
- int numSines;
- float sine[TABLE_SIZE + 1]; /* add one for guard point for interpolation */
- float phases[MAX_SINES];
-}
-paTestData;
-
-/* Convert phase between and 1.0 to sine value
- * using linear interpolation.
- */
-float LookupSine( paTestData *data, float phase );
-float LookupSine( paTestData *data, float phase )
-{
- float fIndex = phase*TABLE_SIZE;
- int index = (int) fIndex;
- float fract = fIndex - index;
- float lo = data->sine[index];
- float hi = data->sine[index+1];
- float val = lo + fract*(hi-lo);
- return val;
-}
-
-/* This routine will be called by the PortAudio engine when audio is needed.
-** It may called at interrupt level on some machines so don't do anything
-** that could mess up the system like calling malloc() or free().
-*/
-static int patestCallback(const void* inputBuffer,
- void* outputBuffer,
- unsigned long framesPerBuffer,
- const PaStreamCallbackTimeInfo* timeInfo,
- PaStreamCallbackFlags statusFlags,
- void* userData )
-{
- paTestData *data = (paTestData*)userData;
- float *out = (float*)outputBuffer;
- float outSample;
- float scaler;
- int numForScale;
- unsigned long i;
- int j;
- int finished = 0;
- (void) inputBuffer; /* Prevent unused argument warning. */
-
- /* Determine amplitude scaling factor */
- numForScale = data->numSines;
- if( numForScale < 8 ) numForScale = 8; /* prevent pops at beginning */
- scaler = 1.0f / numForScale;
-
- for( i=0; i<framesPerBuffer; i++ )
- {
- float output = 0.0;
- float phaseInc = MIN_PHASE_INC;
- float phase;
- for( j=0; j<data->numSines; j++ )
- {
- /* Advance phase of next oscillator. */
- phase = data->phases[j];
- phase += phaseInc;
- if( phase >= 1.0 ) phase -= 1.0;
-
- output += LookupSine(data, phase);
- data->phases[j] = phase;
-
- phaseInc *= 1.02f;
- if( phaseInc > MAX_PHASE_INC ) phaseInc = MIN_PHASE_INC;
- }
-
- outSample = (float) (output * scaler);
- *out++ = outSample; /* Left */
- *out++ = outSample; /* Right */
- }
- return finished;
-}
-
-/*******************************************************************/
-int main(void);
-int main(void)
-{
- int i;
- PaStream* stream;
- PaStreamParameters outputParameters;
- PaError err;
- paTestData data = {0};
- double load;
-
- printf("PortAudio Test: output sine wave. SR = %d, BufSize = %d\n", SAMPLE_RATE, FRAMES_PER_BUFFER);
-
- /* initialise sinusoidal wavetable */
- for( i=0; i<TABLE_SIZE; i++ )
- {
- data.sine[i] = (float) sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. );
- }
- data.sine[TABLE_SIZE] = data.sine[0]; /* set guard point */
-
- err = Pa_Initialize();
- if( err != paNoError )
- goto error;
- outputParameters.device = Pa_GetDefaultOutputDevice(); /* Default output device. */
- outputParameters.channelCount = 2; /* Stereo output. */
- outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output. */
- outputParameters.hostApiSpecificStreamInfo = NULL;
- outputParameters.suggestedLatency = Pa_GetDeviceInfo(outputParameters.device)
- ->defaultHighOutputLatency;
- err = Pa_OpenStream(&stream,
- NULL, /* no input */
- &outputParameters,
- SAMPLE_RATE,
- FRAMES_PER_BUFFER,
- paClipOff, /* No out of range samples should occur. */
- patestCallback,
- &data);
- if( err != paNoError )
- goto error;
-
- err = Pa_StartStream( stream );
- if( err != paNoError )
- goto error;
-
- /* Play an increasing number of sine waves until we hit MAX_USAGE */
- do {
- data.numSines++;
- Pa_Sleep(200);
- load = Pa_GetStreamCpuLoad(stream);
- printf("numSines = %d, CPU load = %f\n", data.numSines, load );
- fflush(stdout);
- } while((load < MAX_USAGE) && (data.numSines < MAX_SINES));
-
- Pa_Sleep(2000); /* Stay for 2 seconds around 80% CPU. */
-
- err = Pa_StopStream( stream );
- if( err != paNoError )
- goto error;
-
- err = Pa_CloseStream( stream );
- if( err != paNoError )
- goto error;
-
- Pa_Terminate();
- printf("Test finished.\n");
- return err;
-error:
- Pa_Terminate();
- fprintf( stderr, "An error occured while using the portaudio stream\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- return err;
-}
diff --git a/src/audio/portaudio/pa_tests/patest_mono.c b/src/audio/portaudio/pa_tests/patest_mono.c
deleted file mode 100644
index e7b57362fd..0000000000
--- a/src/audio/portaudio/pa_tests/patest_mono.c
+++ /dev/null
@@ -1,145 +0,0 @@
-/*
- * $Id$
- * patest_sine.c
- * Play a monophonic sine wave using the Portable Audio api for several seconds.
- *
- * Authors:
- * Ross Bencina <rossb@audiomulch.com>
- * Phil Burk <philburk@softsynth.com>
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.audiomulch.com/portaudio/
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-#include <stdio.h>
-#include <math.h>
-#include "portaudio.h"
-
-#define NUM_SECONDS (10)
-#define SAMPLE_RATE (44100)
-#define AMPLITUDE (0.8)
-#define FRAMES_PER_BUFFER (64)
-#define OUTPUT_DEVICE Pa_GetDefaultOutputDevice()
-
-#ifndef M_PI
-#define M_PI (3.14159265)
-#endif
-
-#define TABLE_SIZE (200)
-typedef struct
-{
- float sine[TABLE_SIZE];
- int phase;
-}
-paTestData;
-
-/* This routine will be called by the PortAudio engine when audio is needed.
-** It may called at interrupt level on some machines so don't do anything
-** that could mess up the system like calling malloc() or free().
-*/
-static int patestCallback( const void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- const PaStreamCallbackTimeInfo* timeInfo,
- PaStreamCallbackFlags statusFlags,
- void *userData )
-{
- paTestData *data = (paTestData*)userData;
- float *out = (float*)outputBuffer;
- unsigned long i;
- int finished = 0;
- /* avoid unused variable warnings */
- (void) inputBuffer;
- (void) timeInfo;
- (void) statusFlags;
- for( i=0; i<framesPerBuffer; i++ )
- {
- *out++ = data->sine[data->phase]; /* left */
- data->phase += 1;
- if( data->phase >= TABLE_SIZE ) data->phase -= TABLE_SIZE;
- }
- return finished;
-}
-
-/*******************************************************************/
-int main(void);
-int main(void)
-{
- PaStreamParameters outputParameters;
- PaStream *stream;
- PaError err;
- paTestData data;
- int i;
- printf("PortAudio Test: output MONO sine wave. SR = %d, BufSize = %d\n", SAMPLE_RATE, FRAMES_PER_BUFFER);
- /* initialise sinusoidal wavetable */
- for( i=0; i<TABLE_SIZE; i++ )
- {
- data.sine[i] = (float) (AMPLITUDE * sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. ));
- }
- data.phase = 0;
-
- err = Pa_Initialize();
- if( err != paNoError ) goto error;
-
- outputParameters.device = OUTPUT_DEVICE;
- outputParameters.channelCount = 1; /* MONO output */
- outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */
- outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
- outputParameters.hostApiSpecificStreamInfo = NULL;
-
- err = Pa_OpenStream(
- &stream,
- NULL, /* no input */
- &outputParameters,
- SAMPLE_RATE,
- FRAMES_PER_BUFFER,
- paClipOff, /* we won't output out of range samples so don't bother clipping them */
- patestCallback,
- &data );
- if( err != paNoError ) goto error;
-
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto error;
-
- printf("Play for %d seconds.\n", NUM_SECONDS ); fflush(stdout);
- Pa_Sleep( NUM_SECONDS * 1000 );
-
- err = Pa_StopStream( stream );
- if( err != paNoError ) goto error;
-
- err = Pa_CloseStream( stream );
- if( err != paNoError ) goto error;
-
- Pa_Terminate();
- printf("Test finished.\n");
- return err;
-error:
- Pa_Terminate();
- fprintf( stderr, "An error occured while using the portaudio stream\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- return err;
-}
\ No newline at end of file
diff --git a/src/audio/portaudio/pa_tests/patest_mono_asio_channel_select.c b/src/audio/portaudio/pa_tests/patest_mono_asio_channel_select.c
deleted file mode 100644
index 4c4ffccdfa..0000000000
--- a/src/audio/portaudio/pa_tests/patest_mono_asio_channel_select.c
+++ /dev/null
@@ -1,155 +0,0 @@
-/*
- * $Id$
- * patest_sine.c
- * Play a monophonic sine wave using the Portable Audio api for several seconds.
- *
- * Authors:
- * Ross Bencina <rossb@audiomulch.com>
- * Phil Burk <philburk@softsynth.com>
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.audiomulch.com/portaudio/
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-#include <stdio.h>
-#include <math.h>
-#include "portaudio.h"
-#include "pa_asio.h"
-
-#define NUM_SECONDS (10)
-#define SAMPLE_RATE (44100)
-#define AMPLITUDE (0.8)
-#define FRAMES_PER_BUFFER (64)
-#define OUTPUT_DEVICE Pa_GetDefaultOutputDevice()
-
-#ifndef M_PI
-#define M_PI (3.14159265)
-#endif
-
-#define TABLE_SIZE (200)
-typedef struct
-{
- float sine[TABLE_SIZE];
- int phase;
-}
-paTestData;
-
-/* This routine will be called by the PortAudio engine when audio is needed.
-** It may called at interrupt level on some machines so don't do anything
-** that could mess up the system like calling malloc() or free().
-*/
-static int patestCallback( const void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- const PaStreamCallbackTimeInfo* timeInfo,
- PaStreamCallbackFlags statusFlags,
- void *userData )
-{
- paTestData *data = (paTestData*)userData;
- float *out = (float*)outputBuffer;
- unsigned long i;
- int finished = 0;
- /* avoid unused variable warnings */
- (void) inputBuffer;
- (void) timeInfo;
- (void) statusFlags;
- for( i=0; i<framesPerBuffer; i++ )
- {
- *out++ = data->sine[data->phase]; /* left */
- data->phase += 1;
- if( data->phase >= TABLE_SIZE ) data->phase -= TABLE_SIZE;
- }
- return finished;
-}
-
-/*******************************************************************/
-int main(void);
-int main(void)
-{
- PaStreamParameters outputParameters;
- PaAsioStreamInfo asioOutputInfo;
- PaStream *stream;
- PaError err;
- paTestData data;
- int outputChannelSelectors[1];
- int i;
- printf("PortAudio Test: output MONO sine wave. SR = %d, BufSize = %d\n", SAMPLE_RATE, FRAMES_PER_BUFFER);
- /* initialise sinusoidal wavetable */
- for( i=0; i<TABLE_SIZE; i++ )
- {
- data.sine[i] = (float) (AMPLITUDE * sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. ));
- }
- data.phase = 0;
-
- err = Pa_Initialize();
- if( err != paNoError ) goto error;
-
- outputParameters.device = OUTPUT_DEVICE;
- outputParameters.channelCount = 1; /* MONO output */
- outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */
- outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
-
- asioOutputInfo.size = sizeof(PaAsioStreamInfo);
- asioOutputInfo.hostApiType = paASIO;
- asioOutputInfo.version = 1;
- asioOutputInfo.flags = paAsioUseChannelSelectors;
- outputChannelSelectors[0] = 1; /* select the second (right) ASIO device channel */
- asioOutputInfo.channelSelectors = outputChannelSelectors;
- outputParameters.hostApiSpecificStreamInfo = &asioOutputInfo;
-
- err = Pa_OpenStream(
- &stream,
- NULL, /* no input */
- &outputParameters,
- SAMPLE_RATE,
- FRAMES_PER_BUFFER,
- paClipOff, /* we won't output out of range samples so don't bother clipping them */
- patestCallback,
- &data );
- if( err != paNoError ) goto error;
-
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto error;
-
- printf("Play for %d seconds.\n", NUM_SECONDS ); fflush(stdout);
- Pa_Sleep( NUM_SECONDS * 1000 );
-
- err = Pa_StopStream( stream );
- if( err != paNoError ) goto error;
-
- err = Pa_CloseStream( stream );
- if( err != paNoError ) goto error;
-
- Pa_Terminate();
- printf("Test finished.\n");
- return err;
-error:
- Pa_Terminate();
- fprintf( stderr, "An error occured while using the portaudio stream\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- return err;
-}
diff --git a/src/audio/portaudio/pa_tests/patest_multi_sine.c b/src/audio/portaudio/pa_tests/patest_multi_sine.c
deleted file mode 100644
index 161c88222c..0000000000
--- a/src/audio/portaudio/pa_tests/patest_multi_sine.c
+++ /dev/null
@@ -1,194 +0,0 @@
-/** @file patest_multi_sine.c
- @brief Play a different sine wave on each channel.
- @author Phil Burk http://www.softsynth.com
-*/
-/*
- * $Id$
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.portaudio.com
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-
-#include <stdio.h>
-#include <math.h>
-
-#include "portaudio.h"
-
-#define SAMPLE_RATE (44100)
-#define FRAMES_PER_BUFFER (256)
-#define FREQ_INCR (300.0 / SAMPLE_RATE)
-#define MAX_CHANNELS (64)
-
-#ifndef M_PI
-#define M_PI (3.14159265)
-#endif
-
-typedef struct
-{
- short interleaved; /* Nonzero for interleaved / zero for non-interleaved. */
- int numChannels; /* Actually used. */
- double phases[MAX_CHANNELS]; /* Each channel gets its' own frequency. */
-}
-paTestData;
-
-/* This routine will be called by the PortAudio engine when audio is needed.
-** It may called at interrupt level on some machines so don't do anything
-** that could mess up the system like calling malloc() or free().
-*/
-static int patestCallback(const void* inputBuffer,
- void* outputBuffer,
- unsigned long framesPerBuffer,
- const PaStreamCallbackTimeInfo* timeInfo,
- PaStreamCallbackFlags statusFlags,
- void* userData)
-{
- int frameIndex, channelIndex;
- float** outputs = (float**)outputBuffer;
- paTestData* data = (paTestData*)userData;
-
- (void) inputBuffer; /* Prevent unused arg warning. */
- if (data->interleaved)
- {
- float *out = (float*)outputBuffer; /* interleaved version */
- for( frameIndex=0; frameIndex<(int)framesPerBuffer; frameIndex++ )
- {
- for( channelIndex=0; channelIndex<data->numChannels; channelIndex++ )
- {
- /* Output sine wave on every channel. */
- *out++ = (float) sin(data->phases[channelIndex]);
-
- /* Play each channel at a higher frequency. */
- data->phases[channelIndex] += FREQ_INCR * (4 + channelIndex);
- if( data->phases[channelIndex] >= (2.0 * M_PI) ) data->phases[channelIndex] -= (2.0 * M_PI);
- }
- }
- }
- else
- {
- for( frameIndex=0; frameIndex<(int)framesPerBuffer; frameIndex++ )
- {
- for( channelIndex=0; channelIndex<data->numChannels; channelIndex++ )
- {
- /* Output sine wave on every channel. */
- outputs[channelIndex][frameIndex] = (float) sin(data->phases[channelIndex]);
-
- /* Play each channel at a higher frequency. */
- data->phases[channelIndex] += FREQ_INCR * (4 + channelIndex);
- if( data->phases[channelIndex] >= (2.0 * M_PI) ) data->phases[channelIndex] -= (2.0 * M_PI);
- }
- }
- }
- return 0;
-}
-
-/*******************************************************************/
-int test(short interleaved)
-{
- PaStream* stream;
- PaStreamParameters outputParameters;
- PaError err;
- const PaDeviceInfo* pdi;
- paTestData data;
- short n;
-
- outputParameters.device = Pa_GetDefaultOutputDevice(); /* Default output device, max channels. */
- pdi = Pa_GetDeviceInfo(outputParameters.device);
- outputParameters.channelCount = pdi->maxOutputChannels;
- if (outputParameters.channelCount > MAX_CHANNELS)
- outputParameters.channelCount = MAX_CHANNELS;
- outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */
- outputParameters.suggestedLatency = pdi->defaultLowOutputLatency;
- outputParameters.hostApiSpecificStreamInfo = NULL;
-
- data.interleaved = interleaved;
- data.numChannels = outputParameters.channelCount;
- for (n = 0; n < data.numChannels; n++)
- data.phases[n] = 0.0; /* Phases wrap and maybe don't need initialisation. */
- printf("%d ", data.numChannels);
- if (interleaved)
- printf("interleaved ");
- else
- {
- printf(" non-interleaved ");
- outputParameters.sampleFormat |= paNonInterleaved;
- }
- printf("channels.\n");
-
- err = Pa_OpenStream(&stream,
- NULL, /* No input. */
- &outputParameters,
- SAMPLE_RATE, /* Sample rate. */
- FRAMES_PER_BUFFER, /* Frames per buffer. */
- paClipOff, /* Samples never out of range, no clipping. */
- patestCallback,
- &data);
- if (err == paNoError)
- {
- err = Pa_StartStream(stream);
- if (err == paNoError)
- {
- printf("Hit ENTER to stop this test.\n");
- getchar();
- err = Pa_StopStream(stream);
- }
- Pa_CloseStream( stream );
- }
- return err;
-}
-
-
-/*******************************************************************/
-int main(void)
-{
- PaError err;
-
- printf("PortAudio Test: output sine wave on each channel.\n" );
-
- err = Pa_Initialize();
- if (err != paNoError)
- goto done;
-
- err = test(1); /* 1 means interleaved. */
- if (err != paNoError)
- goto done;
-
- err = test(0); /* 0 means not interleaved. */
- if (err != paNoError)
- goto done;
-
- printf("Test finished.\n");
-done:
- if (err)
- {
- fprintf(stderr, "An error occured while using the portaudio stream\n");
- fprintf(stderr, "Error number: %d\n", err );
- fprintf(stderr, "Error message: %s\n", Pa_GetErrorText(err));
- }
- Pa_Terminate();
- return 0;
-}
diff --git a/src/audio/portaudio/pa_tests/patest_out_underflow.c b/src/audio/portaudio/pa_tests/patest_out_underflow.c
deleted file mode 100644
index 8e6f278977..0000000000
--- a/src/audio/portaudio/pa_tests/patest_out_underflow.c
+++ /dev/null
@@ -1,217 +0,0 @@
-/** @file patest_out_underflow.c
- @brief Count output underflows (using paOutputUnderflow flag)
- under overloaded and normal conditions.
- @author Ross Bencina <rossb@audiomulch.com>
- @author Phil Burk <philburk@softsynth.com>
-*/
-/*
- * $Id$
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.audiomulch.com/portaudio/
- * Copyright (c) 1999-2004 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-#include <stdio.h>
-#include <math.h>
-#include "portaudio.h"
-
-#define MAX_SINES (500)
-#define MAX_LOAD (1.2)
-#define SAMPLE_RATE (44100)
-#define FRAMES_PER_BUFFER (512)
-#ifndef M_PI
-#define M_PI (3.14159265)
-#endif
-#define TWOPI (M_PI * 2.0)
-
-typedef struct paTestData
-{
- int sineCount;
- double phases[MAX_SINES];
- int countUnderflows;
- int outputUnderflowCount;
-}
-paTestData;
-
-/* This routine will be called by the PortAudio engine when audio is needed.
-** It may called at interrupt level on some machines so don't do anything
-** that could mess up the system like calling malloc() or free().
-*/
-static int patestCallback( const void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- const PaStreamCallbackTimeInfo* timeInfo,
- PaStreamCallbackFlags statusFlags,
- void *userData )
-{
- paTestData *data = (paTestData*)userData;
- float *out = (float*)outputBuffer;
- unsigned long i;
- int j;
- int finished = paContinue;
- (void) timeInfo; /* Prevent unused variable warning. */
- (void) inputBuffer; /* Prevent unused variable warning. */
-
-
- if( data->countUnderflows && (statusFlags & paOutputUnderflow) )
- data->outputUnderflowCount++;
-
- for( i=0; i<framesPerBuffer; i++ )
- {
- float output = 0.0;
- double phaseInc = 0.02;
- double phase;
-
- for( j=0; j<data->sineCount; j++ )
- {
- /* Advance phase of next oscillator. */
- phase = data->phases[j];
- phase += phaseInc;
- if( phase > TWOPI ) phase -= TWOPI;
-
- phaseInc *= 1.02;
- if( phaseInc > 0.5 ) phaseInc *= 0.5;
-
- /* This is not a very efficient way to calc sines. */
- output += (float) sin( phase );
- data->phases[j] = phase;
- }
- *out++ = (float) (output / data->sineCount);
- }
-
- return finished;
-}
-
-/*******************************************************************/
-int main(void);
-int main(void)
-{
- PaStreamParameters outputParameters;
- PaStream *stream;
- PaError err;
- int safeSineCount, stressedSineCount;
- int safeUnderflowCount, stressedUnderflowCount;
- paTestData data = {0};
- double load;
-
-
- printf("PortAudio Test: output sine waves, count underflows. SR = %d, BufSize = %d. MAX_LOAD = %f\n",
- SAMPLE_RATE, FRAMES_PER_BUFFER, (float)MAX_LOAD );
-
- err = Pa_Initialize();
- if( err != paNoError ) goto error;
-
- outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */
- outputParameters.channelCount = 1; /* mono output */
- outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */
- outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
- outputParameters.hostApiSpecificStreamInfo = NULL;
-
- err = Pa_OpenStream(
- &stream,
- NULL, /* no input */
- &outputParameters,
- SAMPLE_RATE,
- FRAMES_PER_BUFFER,
- paClipOff, /* we won't output out of range samples so don't bother clipping them */
- patestCallback,
- &data );
- if( err != paNoError ) goto error;
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto error;
-
- printf("Establishing load conditions...\n" );
-
- /* Determine number of sines required to get to 50% */
- do
- {
- data.sineCount++;
- Pa_Sleep( 100 );
-
- load = Pa_GetStreamCpuLoad( stream );
- printf("sineCount = %d, CPU load = %f\n", data.sineCount, load );
- }
- while( load < 0.5 && data.sineCount < (MAX_SINES-1));
-
- safeSineCount = data.sineCount;
-
- /* Calculate target stress value then ramp up to that level*/
- stressedSineCount = (int) (2.0 * data.sineCount * MAX_LOAD );
- if( stressedSineCount > MAX_SINES )
- stressedSineCount = MAX_SINES;
- for( ; data.sineCount < stressedSineCount; data.sineCount++ )
- {
- Pa_Sleep( 100 );
- load = Pa_GetStreamCpuLoad( stream );
- printf("STRESSING: sineCount = %d, CPU load = %f\n", data.sineCount, load );
- }
-
- printf("Counting underflows for 5 seconds.\n");
- data.countUnderflows = 1;
- Pa_Sleep( 5000 );
-
- stressedUnderflowCount = data.outputUnderflowCount;
-
- data.countUnderflows = 0;
- data.sineCount = safeSineCount;
-
- printf("Resuming safe load...\n");
- Pa_Sleep( 1500 );
- data.outputUnderflowCount = 0;
- Pa_Sleep( 1500 );
- load = Pa_GetStreamCpuLoad( stream );
- printf("sineCount = %d, CPU load = %f\n", data.sineCount, load );
-
- printf("Counting underflows for 5 seconds.\n");
- data.countUnderflows = 1;
- Pa_Sleep( 5000 );
-
- safeUnderflowCount = data.outputUnderflowCount;
-
- printf("Stop stream.\n");
- err = Pa_StopStream( stream );
- if( err != paNoError ) goto error;
-
- err = Pa_CloseStream( stream );
- if( err != paNoError ) goto error;
-
- Pa_Terminate();
-
- if( stressedUnderflowCount == 0 )
- printf("Test failed, no output underflows detected under stress.\n");
- else if( safeUnderflowCount != 0 )
- printf("Test failed, %d unexpected underflows detected under safe load.\n", safeUnderflowCount);
- else
- printf("Test passed, %d expected output underflows detected under stress, 0 unexpected underflows detected under safe load.\n", stressedUnderflowCount );
-
- return err;
-error:
- Pa_Terminate();
- fprintf( stderr, "An error occured while using the portaudio stream\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- return err;
-}
diff --git a/src/audio/portaudio/pa_tests/patest_pink.c b/src/audio/portaudio/pa_tests/patest_pink.c
deleted file mode 100644
index f2db85d9c6..0000000000
--- a/src/audio/portaudio/pa_tests/patest_pink.c
+++ /dev/null
@@ -1,269 +0,0 @@
-/** @file patest_pink.c
- @brief Generate Pink Noise using Gardner method.
-
- Optimization suggested by James McCartney uses a tree
- to select which random value to replace.
-<pre>
- x x x x x x x x x x x x x x x x
- x x x x x x x x
- x x x x
- x x
- x
-</pre>
- Tree is generated by counting trailing zeros in an increasing index.
- When the index is zero, no random number is selected.
-
- @author Phil Burk http://www.softsynth.com
-*/
-/*
- * $Id$
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.portaudio.com
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-
-#include <stdio.h>
-#include <math.h>
-#include "portaudio.h"
-
-#define PINK_MAX_RANDOM_ROWS (30)
-#define PINK_RANDOM_BITS (24)
-#define PINK_RANDOM_SHIFT ((sizeof(long)*8)-PINK_RANDOM_BITS)
-
-typedef struct
-{
- long pink_Rows[PINK_MAX_RANDOM_ROWS];
- long pink_RunningSum; /* Used to optimize summing of generators. */
- int pink_Index; /* Incremented each sample. */
- int pink_IndexMask; /* Index wrapped by ANDing with this mask. */
- float pink_Scalar; /* Used to scale within range of -1.0 to +1.0 */
-}
-PinkNoise;
-
-/* Prototypes */
-static unsigned long GenerateRandomNumber( void );
-void InitializePinkNoise( PinkNoise *pink, int numRows );
-float GeneratePinkNoise( PinkNoise *pink );
-
-/************************************************************/
-/* Calculate pseudo-random 32 bit number based on linear congruential method. */
-static unsigned long GenerateRandomNumber( void )
-{
- /* Change this seed for different random sequences. */
- static unsigned long randSeed = 22222;
- randSeed = (randSeed * 196314165) + 907633515;
- return randSeed;
-}
-
-/************************************************************/
-/* Setup PinkNoise structure for N rows of generators. */
-void InitializePinkNoise( PinkNoise *pink, int numRows )
-{
- int i;
- long pmax;
- pink->pink_Index = 0;
- pink->pink_IndexMask = (1<<numRows) - 1;
- /* Calculate maximum possible signed random value. Extra 1 for white noise always added. */
- pmax = (numRows + 1) * (1<<(PINK_RANDOM_BITS-1));
- pink->pink_Scalar = 1.0f / pmax;
- /* Initialize rows. */
- for( i=0; i<numRows; i++ ) pink->pink_Rows[i] = 0;
- pink->pink_RunningSum = 0;
-}
-
-#define PINK_MEASURE
-#ifdef PINK_MEASURE
-float pinkMax = -999.0;
-float pinkMin = 999.0;
-#endif
-
-/* Generate Pink noise values between -1.0 and +1.0 */
-float GeneratePinkNoise( PinkNoise *pink )
-{
- long newRandom;
- long sum;
- float output;
- /* Increment and mask index. */
- pink->pink_Index = (pink->pink_Index + 1) & pink->pink_IndexMask;
- /* If index is zero, don't update any random values. */
- if( pink->pink_Index != 0 )
- {
- /* Determine how many trailing zeros in PinkIndex. */
- /* This algorithm will hang if n==0 so test first. */
- int numZeros = 0;
- int n = pink->pink_Index;
- while( (n & 1) == 0 )
- {
- n = n >> 1;
- numZeros++;
- }
- /* Replace the indexed ROWS random value.
- * Subtract and add back to RunningSum instead of adding all the random
- * values together. Only one changes each time.
- */
- pink->pink_RunningSum -= pink->pink_Rows[numZeros];
- newRandom = ((long)GenerateRandomNumber()) >> PINK_RANDOM_SHIFT;
- pink->pink_RunningSum += newRandom;
- pink->pink_Rows[numZeros] = newRandom;
- }
-
- /* Add extra white noise value. */
- newRandom = ((long)GenerateRandomNumber()) >> PINK_RANDOM_SHIFT;
- sum = pink->pink_RunningSum + newRandom;
- /* Scale to range of -1.0 to 0.9999. */
- output = pink->pink_Scalar * sum;
-#ifdef PINK_MEASURE
- /* Check Min/Max */
- if( output > pinkMax ) pinkMax = output;
- else if( output < pinkMin ) pinkMin = output;
-#endif
- return output;
-}
-
-/*******************************************************************/
-#define PINK_TEST
-#ifdef PINK_TEST
-
-/* Context for callback routine. */
-typedef struct
-{
- PinkNoise leftPink;
- PinkNoise rightPink;
- unsigned int sampsToGo;
-}
-paTestData;
-
-/* This routine will be called by the PortAudio engine when audio is needed.
-** It may called at interrupt level on some machines so don't do anything
-** that could mess up the system like calling malloc() or free().
-*/
-static int patestCallback(const void* inputBuffer,
- void* outputBuffer,
- unsigned long framesPerBuffer,
- const PaStreamCallbackTimeInfo* timeInfo,
- PaStreamCallbackFlags statusFlags,
- void* userData)
-{
- int finished;
- int i;
- int numFrames;
- paTestData *data = (paTestData*)userData;
- float *out = (float*)outputBuffer;
- (void) inputBuffer; /* Prevent "unused variable" warnings. */
-
- /* Are we almost at end. */
- if( data->sampsToGo < framesPerBuffer )
- {
- numFrames = data->sampsToGo;
- finished = 1;
- }
- else
- {
- numFrames = framesPerBuffer;
- finished = 0;
- }
- for( i=0; i<numFrames; i++ )
- {
- *out++ = GeneratePinkNoise( &data->leftPink );
- *out++ = GeneratePinkNoise( &data->rightPink );
- }
- data->sampsToGo -= numFrames;
- return finished;
-}
-
-/*******************************************************************/
-int main(void);
-int main(void)
-{
- PaStream* stream;
- PaError err;
- paTestData data;
- PaStreamParameters outputParameters;
- int totalSamps;
- static const double SR = 44100.0;
- static const int FPB = 2048; /* Frames per buffer: 46 ms buffers. */
-
- /* Initialize two pink noise signals with different numbers of rows. */
- InitializePinkNoise( &data.leftPink, 12 );
- InitializePinkNoise( &data.rightPink, 16 );
-
- /* Look at a few values. */
- {
- int i;
- float pink;
- for( i=0; i<20; i++ )
- {
- pink = GeneratePinkNoise( &data.leftPink );
- printf("Pink = %f\n", pink );
- }
- }
-
- data.sampsToGo = totalSamps = (int)(60.0 * SR); /* Play a whole minute. */
- err = Pa_Initialize();
- if( err != paNoError ) goto error;
-
- /* Open a stereo PortAudio stream so we can hear the result. */
- outputParameters.device = Pa_GetDefaultOutputDevice(); /* Take the default output device. */
- outputParameters.channelCount = 2; /* Stereo output, most likely supported. */
- outputParameters.hostApiSpecificStreamInfo = NULL;
- outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output. */
- outputParameters.suggestedLatency =
- Pa_GetDeviceInfo(outputParameters.device)->defaultLowOutputLatency;
- err = Pa_OpenStream(&stream,
- NULL, /* No input. */
- &outputParameters,
- SR, /* Sample rate. */
- FPB, /* Frames per buffer. */
- paClipOff, /* we won't output out of range samples so don't bother clipping them */
- patestCallback,
- &data);
- if( err != paNoError ) goto error;
-
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto error;
-
- printf("Stereo pink noise for one minute...\n");
-
- while( ( err = Pa_IsStreamActive( stream ) ) == 1 ) Pa_Sleep(100);
- if( err < 0 ) goto error;
-
- err = Pa_CloseStream( stream );
- if( err != paNoError ) goto error;
-#ifdef PINK_MEASURE
- printf("Pink min = %f, max = %f\n", pinkMin, pinkMax );
-#endif
- Pa_Terminate();
- return 0;
-error:
- Pa_Terminate();
- fprintf( stderr, "An error occured while using the portaudio stream\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- return 0;
-}
-#endif /* PINK_TEST */
diff --git a/src/audio/portaudio/pa_tests/patest_prime.c b/src/audio/portaudio/pa_tests/patest_prime.c
deleted file mode 100644
index 47d1f5f563..0000000000
--- a/src/audio/portaudio/pa_tests/patest_prime.c
+++ /dev/null
@@ -1,223 +0,0 @@
-/** @file patest_prime.c
- @brief Test stream priming mode.
- @author Ross Bencina http://www.audiomulch.com/~rossb
-*/
-
-/*
- * $Id$
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.portaudio.com
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-
-#include <stdio.h>
-#include <math.h>
-#include "portaudio.h"
-#include "pa_util.h"
-
-#define NUM_BEEPS (3)
-#define SAMPLE_RATE (44100)
-#define SAMPLE_PERIOD (1.0/44100.0)
-#define FRAMES_PER_BUFFER (256)
-#define BEEP_DURATION (400)
-#define IDLE_DURATION (SAMPLE_RATE*2) /* 2 seconds */
-#define SLEEP_MSEC (50)
-
-#define STATE_BKG_IDLE (0)
-#define STATE_BKG_BEEPING (1)
-
-typedef struct
-{
- float leftPhase;
- float rightPhase;
- int state;
- int beepCountdown;
- int idleCountdown;
-}
-paTestData;
-
-static void InitializeTestData( paTestData *testData )
-{
- testData->leftPhase = 0;
- testData->rightPhase = 0;
- testData->state = STATE_BKG_BEEPING;
- testData->beepCountdown = BEEP_DURATION;
- testData->idleCountdown = IDLE_DURATION;
-}
-
-/* This routine will be called by the PortAudio engine when audio is needed.
-** It may called at interrupt level on some machines so don't do anything
-** that could mess up the system like calling malloc() or free().
-*/
-static int patestCallback( const void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- const PaStreamCallbackTimeInfo *timeInfo,
- PaStreamCallbackFlags statusFlags, void *userData )
-{
- /* Cast data passed through stream to our structure. */
- paTestData *data = (paTestData*)userData;
- float *out = (float*)outputBuffer;
- unsigned int i;
- int result = paContinue;
-
- /* supress unused parameter warnings */
- (void) inputBuffer;
- (void) timeInfo;
- (void) statusFlags;
-
- for( i=0; i<framesPerBuffer; i++ )
- {
- switch( data->state )
- {
- case STATE_BKG_IDLE:
- *out++ = 0.0; /* left */
- *out++ = 0.0; /* right */
- --data->idleCountdown;
-
- if( data->idleCountdown <= 0 ) result = paComplete;
- break;
-
- case STATE_BKG_BEEPING:
- if( data->beepCountdown <= 0 )
- {
- data->state = STATE_BKG_IDLE;
- *out++ = 0.0; /* left */
- *out++ = 0.0; /* right */
- }
- else
- {
- /* Play sawtooth wave. */
- *out++ = data->leftPhase; /* left */
- *out++ = data->rightPhase; /* right */
- /* Generate simple sawtooth phaser that ranges between -1.0 and 1.0. */
- data->leftPhase += 0.01f;
- /* When signal reaches top, drop back down. */
- if( data->leftPhase >= 1.0f ) data->leftPhase -= 2.0f;
- /* higher pitch so we can distinguish left and right. */
- data->rightPhase += 0.03f;
- if( data->rightPhase >= 1.0f ) data->rightPhase -= 2.0f;
- }
- --data->beepCountdown;
- break;
- }
- }
-
- return result;
-}
-
-/*******************************************************************/
-static PaError DoTest( int flags )
-{
- PaStream *stream;
- PaError err;
- paTestData data;
- PaStreamParameters outputParameters;
-
- InitializeTestData( &data );
-
- outputParameters.device = Pa_GetDefaultOutputDevice();
- outputParameters.channelCount = 2;
- outputParameters.hostApiSpecificStreamInfo = NULL;
- outputParameters.sampleFormat = paFloat32;
- outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultHighOutputLatency;
-
- /* Open an audio I/O stream. */
- err = Pa_OpenStream(
- &stream,
- NULL, /* no input */
- &outputParameters,
- SAMPLE_RATE,
- FRAMES_PER_BUFFER, /* frames per buffer */
- paClipOff | flags, /* we won't output out of range samples so don't bother clipping them */
- patestCallback,
- &data );
- if( err != paNoError ) goto error;
-
-
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto error;
-
- printf("hear \"BEEP\"\n" );
- fflush(stdout);
-
- while( ( err = Pa_IsStreamActive( stream ) ) == 1 ) Pa_Sleep(SLEEP_MSEC);
- if( err < 0 ) goto error;
-
- err = Pa_StopStream( stream );
- if( err != paNoError ) goto error;
-
- err = Pa_CloseStream( stream );
- if( err != paNoError ) goto error;
-
- return err;
-error:
- return err;
-}
-
-/*******************************************************************/
-int main(void);
-int main(void)
-{
- PaError err = paNoError;
- int i;
-
- /* Initialize library before making any other calls. */
- err = Pa_Initialize();
- if( err != paNoError ) goto error;
-
- printf("PortAudio Test: Testing stream playback with no priming.\n");
- printf("PortAudio Test: you should see BEEP before you hear it.\n");
- printf("BEEP %d times.\n", NUM_BEEPS );
-
- for( i=0; i< NUM_BEEPS; ++i )
- {
- err = DoTest( 0 );
- if( err != paNoError )
- goto error;
- }
-
- printf("PortAudio Test: Testing stream playback with priming.\n");
- printf("PortAudio Test: you should see BEEP around the same time you hear it.\n");
- for( i=0; i< NUM_BEEPS; ++i )
- {
- err = DoTest( paPrimeOutputBuffersUsingStreamCallback );
- if( err != paNoError )
- goto error;
- }
-
- printf("Test finished.\n");
-
- Pa_Terminate();
- return err;
-error:
- Pa_Terminate();
- fprintf( stderr, "An error occured while using the portaudio stream\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- return err;
-}
diff --git a/src/audio/portaudio/pa_tests/patest_read_record.c b/src/audio/portaudio/pa_tests/patest_read_record.c
deleted file mode 100644
index 5e9ca0109e..0000000000
--- a/src/audio/portaudio/pa_tests/patest_read_record.c
+++ /dev/null
@@ -1,229 +0,0 @@
-/** @file patest_read_record.c
- @brief Record input into an array; Save array to a file; Playback recorded
- data. Implemented using the blocking API (Pa_ReadStream(), Pa_WriteStream() )
- @author Phil Burk http://www.softsynth.com
- @author Ross Bencina rossb@audiomulch.com
-*/
-/*
- * $Id$
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.portaudio.com
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include "portaudio.h"
-
-/* #define SAMPLE_RATE (17932) // Test failure to open with this value. */
-#define SAMPLE_RATE (44100)
-#define FRAMES_PER_BUFFER (1024)
-#define NUM_SECONDS (5)
-#define NUM_CHANNELS (2)
-/* #define DITHER_FLAG (paDitherOff) */
-#define DITHER_FLAG (0) /**/
-
-/* Select sample format. */
-#if 1
-#define PA_SAMPLE_TYPE paFloat32
-typedef float SAMPLE;
-#define SAMPLE_SILENCE (0.0f)
-#define PRINTF_S_FORMAT "%.8f"
-#elif 1
-#define PA_SAMPLE_TYPE paInt16
-typedef short SAMPLE;
-#define SAMPLE_SILENCE (0)
-#define PRINTF_S_FORMAT "%d"
-#elif 0
-#define PA_SAMPLE_TYPE paInt8
-typedef char SAMPLE;
-#define SAMPLE_SILENCE (0)
-#define PRINTF_S_FORMAT "%d"
-#else
-#define PA_SAMPLE_TYPE paUInt8
-typedef unsigned char SAMPLE;
-#define SAMPLE_SILENCE (128)
-#define PRINTF_S_FORMAT "%d"
-#endif
-
-
-/*******************************************************************/
-int main(void);
-int main(void)
-{
- PaStreamParameters inputParameters, outputParameters;
- PaStream *stream;
- PaError err;
- SAMPLE *recordedSamples;
- int i;
- int totalFrames;
- int numSamples;
- int numBytes;
- SAMPLE max, average, val;
-
-
- printf("patest_read_record.c\n"); fflush(stdout);
-
- totalFrames = NUM_SECONDS * SAMPLE_RATE; /* Record for a few seconds. */
- numSamples = totalFrames * NUM_CHANNELS;
-
- numBytes = numSamples * sizeof(SAMPLE);
- recordedSamples = (SAMPLE *) malloc( numBytes );
- if( recordedSamples == NULL )
- {
- printf("Could not allocate record array.\n");
- exit(1);
- }
- for( i=0; i<numSamples; i++ ) recordedSamples[i] = 0;
-
- err = Pa_Initialize();
- if( err != paNoError ) goto error;
-
- inputParameters.device = Pa_GetDefaultInputDevice(); /* default input device */
- inputParameters.channelCount = NUM_CHANNELS;
- inputParameters.sampleFormat = PA_SAMPLE_TYPE;
- inputParameters.suggestedLatency = Pa_GetDeviceInfo( inputParameters.device )->defaultLowInputLatency;
- inputParameters.hostApiSpecificStreamInfo = NULL;
-
- /* Record some audio. -------------------------------------------- */
- err = Pa_OpenStream(
- &stream,
- &inputParameters,
- NULL, /* &outputParameters, */
- SAMPLE_RATE,
- FRAMES_PER_BUFFER,
- paClipOff, /* we won't output out of range samples so don't bother clipping them */
- NULL, /* no callback, use blocking API */
- NULL ); /* no callback, so no callback userData */
- if( err != paNoError ) goto error;
-
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto error;
- printf("Now recording!!\n"); fflush(stdout);
-
- err = Pa_ReadStream( stream, recordedSamples, totalFrames );
- if( err != paNoError ) goto error;
-
- err = Pa_CloseStream( stream );
- if( err != paNoError ) goto error;
-
- /* Measure maximum peak amplitude. */
- max = 0;
- average = 0;
- for( i=0; i<numSamples; i++ )
- {
- val = recordedSamples[i];
- if( val < 0 ) val = -val; /* ABS */
- if( val > max )
- {
- max = val;
- }
- average += val;
- }
-
- average = average / numSamples;
-
- printf("Sample max amplitude = "PRINTF_S_FORMAT"\n", max );
- printf("Sample average = "PRINTF_S_FORMAT"\n", average );
-/* Was as below. Better choose at compile time because this
- keeps generating compiler-warnings:
- if( PA_SAMPLE_TYPE == paFloat32 )
- {
- printf("sample max amplitude = %f\n", max );
- printf("sample average = %f\n", average );
- }
- else
- {
- printf("sample max amplitude = %d\n", max );
- printf("sample average = %d\n", average );
- }
-*/
- /* Write recorded data to a file. */
-#if 0
- {
- FILE *fid;
- fid = fopen("recorded.raw", "wb");
- if( fid == NULL )
- {
- printf("Could not open file.");
- }
- else
- {
- fwrite( recordedSamples, NUM_CHANNELS * sizeof(SAMPLE), totalFrames, fid );
- fclose( fid );
- printf("Wrote data to 'recorded.raw'\n");
- }
- }
-#endif
-
- /* Playback recorded data. -------------------------------------------- */
-
- outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */
- outputParameters.channelCount = NUM_CHANNELS;
- outputParameters.sampleFormat = PA_SAMPLE_TYPE;
- outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
- outputParameters.hostApiSpecificStreamInfo = NULL;
-
- printf("Begin playback.\n"); fflush(stdout);
- err = Pa_OpenStream(
- &stream,
- NULL, /* no input */
- &outputParameters,
- SAMPLE_RATE,
- FRAMES_PER_BUFFER,
- paClipOff, /* we won't output out of range samples so don't bother clipping them */
- NULL, /* no callback, use blocking API */
- NULL ); /* no callback, so no callback userData */
- if( err != paNoError ) goto error;
-
- if( stream )
- {
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto error;
- printf("Waiting for playback to finish.\n"); fflush(stdout);
-
- err = Pa_WriteStream( stream, recordedSamples, totalFrames );
- if( err != paNoError ) goto error;
-
- err = Pa_CloseStream( stream );
- if( err != paNoError ) goto error;
- printf("Done.\n"); fflush(stdout);
- }
- free( recordedSamples );
-
- Pa_Terminate();
- return 0;
-
-error:
- Pa_Terminate();
- fprintf( stderr, "An error occured while using the portaudio stream\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- return -1;
-}
-
diff --git a/src/audio/portaudio/pa_tests/patest_record.c b/src/audio/portaudio/pa_tests/patest_record.c
deleted file mode 100644
index 7ba35825db..0000000000
--- a/src/audio/portaudio/pa_tests/patest_record.c
+++ /dev/null
@@ -1,337 +0,0 @@
-/** @file patest_record.c
- @brief Record input into an array; Save array to a file; Playback recorded data.
- @author Phil Burk http://www.softsynth.com
-*/
-/*
- * $Id$
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.portaudio.com
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include "portaudio.h"
-
-/* #define SAMPLE_RATE (17932) // Test failure to open with this value. */
-#define SAMPLE_RATE (44100)
-#define FRAMES_PER_BUFFER (1024)
-#define NUM_SECONDS (5)
-#define NUM_CHANNELS (2)
-/* #define DITHER_FLAG (paDitherOff) */
-#define DITHER_FLAG (0) /**/
-
-/* Select sample format. */
-#if 1
-#define PA_SAMPLE_TYPE paFloat32
-typedef float SAMPLE;
-#define SAMPLE_SILENCE (0.0f)
-#define PRINTF_S_FORMAT "%.8f"
-#elif 1
-#define PA_SAMPLE_TYPE paInt16
-typedef short SAMPLE;
-#define SAMPLE_SILENCE (0)
-#define PRINTF_S_FORMAT "%d"
-#elif 0
-#define PA_SAMPLE_TYPE paInt8
-typedef char SAMPLE;
-#define SAMPLE_SILENCE (0)
-#define PRINTF_S_FORMAT "%d"
-#else
-#define PA_SAMPLE_TYPE paUInt8
-typedef unsigned char SAMPLE;
-#define SAMPLE_SILENCE (128)
-#define PRINTF_S_FORMAT "%d"
-#endif
-
-typedef struct
-{
- int frameIndex; /* Index into sample array. */
- int maxFrameIndex;
- SAMPLE *recordedSamples;
-}
-paTestData;
-
-/* This routine will be called by the PortAudio engine when audio is needed.
-** It may be called at interrupt level on some machines so don't do anything
-** that could mess up the system like calling malloc() or free().
-*/
-static int recordCallback( const void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- const PaStreamCallbackTimeInfo* timeInfo,
- PaStreamCallbackFlags statusFlags,
- void *userData )
-{
- paTestData *data = (paTestData*)userData;
- const SAMPLE *rptr = (const SAMPLE*)inputBuffer;
- SAMPLE *wptr = &data->recordedSamples[data->frameIndex * NUM_CHANNELS];
- long framesToCalc;
- long i;
- int finished;
- unsigned long framesLeft = data->maxFrameIndex - data->frameIndex;
-
- (void) outputBuffer; /* Prevent unused variable warnings. */
- (void) timeInfo;
- (void) statusFlags;
- (void) userData;
-
- if( framesLeft < framesPerBuffer )
- {
- framesToCalc = framesLeft;
- finished = paComplete;
- }
- else
- {
- framesToCalc = framesPerBuffer;
- finished = paContinue;
- }
-
- if( inputBuffer == NULL )
- {
- for( i=0; i<framesToCalc; i++ )
- {
- *wptr++ = SAMPLE_SILENCE; /* left */
- if( NUM_CHANNELS == 2 ) *wptr++ = SAMPLE_SILENCE; /* right */
- }
- }
- else
- {
- for( i=0; i<framesToCalc; i++ )
- {
- *wptr++ = *rptr++; /* left */
- if( NUM_CHANNELS == 2 ) *wptr++ = *rptr++; /* right */
- }
- }
- data->frameIndex += framesToCalc;
- return finished;
-}
-
-/* This routine will be called by the PortAudio engine when audio is needed.
-** It may be called at interrupt level on some machines so don't do anything
-** that could mess up the system like calling malloc() or free().
-*/
-static int playCallback( const void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- const PaStreamCallbackTimeInfo* timeInfo,
- PaStreamCallbackFlags statusFlags,
- void *userData )
-{
- paTestData *data = (paTestData*)userData;
- SAMPLE *rptr = &data->recordedSamples[data->frameIndex * NUM_CHANNELS];
- SAMPLE *wptr = (SAMPLE*)outputBuffer;
- unsigned int i;
- int finished;
- unsigned int framesLeft = data->maxFrameIndex - data->frameIndex;
-
- (void) inputBuffer; /* Prevent unused variable warnings. */
- (void) timeInfo;
- (void) statusFlags;
- (void) userData;
-
- if( framesLeft < framesPerBuffer )
- {
- /* final buffer... */
- for( i=0; i<framesLeft; i++ )
- {
- *wptr++ = *rptr++; /* left */
- if( NUM_CHANNELS == 2 ) *wptr++ = *rptr++; /* right */
- }
- for( ; i<framesPerBuffer; i++ )
- {
- *wptr++ = 0; /* left */
- if( NUM_CHANNELS == 2 ) *wptr++ = 0; /* right */
- }
- data->frameIndex += framesLeft;
- finished = paComplete;
- }
- else
- {
- for( i=0; i<framesPerBuffer; i++ )
- {
- *wptr++ = *rptr++; /* left */
- if( NUM_CHANNELS == 2 ) *wptr++ = *rptr++; /* right */
- }
- data->frameIndex += framesPerBuffer;
- finished = paContinue;
- }
- return finished;
-}
-
-/*******************************************************************/
-int main(void);
-int main(void)
-{
- PaStreamParameters inputParameters,
- outputParameters;
- PaStream* stream;
- PaError err = paNoError;
- paTestData data;
- int i;
- int totalFrames;
- int numSamples;
- int numBytes;
- SAMPLE max, val;
- double average;
-
- printf("patest_record.c\n"); fflush(stdout);
-
- data.maxFrameIndex = totalFrames = NUM_SECONDS * SAMPLE_RATE; /* Record for a few seconds. */
- data.frameIndex = 0;
- numSamples = totalFrames * NUM_CHANNELS;
- numBytes = numSamples * sizeof(SAMPLE);
- data.recordedSamples = (SAMPLE *) malloc( numBytes ); /* From now on, recordedSamples is initialised. */
- if( data.recordedSamples == NULL )
- {
- printf("Could not allocate record array.\n");
- goto done;
- }
- for( i=0; i<numSamples; i++ ) data.recordedSamples[i] = 0;
-
- err = Pa_Initialize();
- if( err != paNoError ) goto done;
-
- inputParameters.device = Pa_GetDefaultInputDevice(); /* default input device */
- inputParameters.channelCount = 2; /* stereo input */
- inputParameters.sampleFormat = PA_SAMPLE_TYPE;
- inputParameters.suggestedLatency = Pa_GetDeviceInfo( inputParameters.device )->defaultLowInputLatency;
- inputParameters.hostApiSpecificStreamInfo = NULL;
-
- /* Record some audio. -------------------------------------------- */
- err = Pa_OpenStream(
- &stream,
- &inputParameters,
- NULL, /* &outputParameters, */
- SAMPLE_RATE,
- FRAMES_PER_BUFFER,
- paClipOff, /* we won't output out of range samples so don't bother clipping them */
- recordCallback,
- &data );
- if( err != paNoError ) goto done;
-
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto done;
- printf("Now recording!!\n"); fflush(stdout);
-
- while( ( err = Pa_IsStreamActive( stream ) ) == 1 )
- {
- Pa_Sleep(1000);
- printf("index = %d\n", data.frameIndex ); fflush(stdout);
- }
- if( err < 0 ) goto done;
-
- err = Pa_CloseStream( stream );
- if( err != paNoError ) goto done;
-
- /* Measure maximum peak amplitude. */
- max = 0;
- average = 0.0;
- for( i=0; i<numSamples; i++ )
- {
- val = data.recordedSamples[i];
- if( val < 0 ) val = -val; /* ABS */
- if( val > max )
- {
- max = val;
- }
- average += val;
- }
-
- average = average / (double)numSamples;
-
- printf("sample max amplitude = "PRINTF_S_FORMAT"\n", max );
- printf("sample average = %lf\n", average );
-
- /* Write recorded data to a file. */
-#if 0
- {
- FILE *fid;
- fid = fopen("recorded.raw", "wb");
- if( fid == NULL )
- {
- printf("Could not open file.");
- }
- else
- {
- fwrite( data.recordedSamples, NUM_CHANNELS * sizeof(SAMPLE), totalFrames, fid );
- fclose( fid );
- printf("Wrote data to 'recorded.raw'\n");
- }
- }
-#endif
-
- /* Playback recorded data. -------------------------------------------- */
- data.frameIndex = 0;
-
- outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */
- outputParameters.channelCount = 2; /* stereo output */
- outputParameters.sampleFormat = PA_SAMPLE_TYPE;
- outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
- outputParameters.hostApiSpecificStreamInfo = NULL;
-
- printf("Begin playback.\n"); fflush(stdout);
- err = Pa_OpenStream(
- &stream,
- NULL, /* no input */
- &outputParameters,
- SAMPLE_RATE,
- FRAMES_PER_BUFFER,
- paClipOff, /* we won't output out of range samples so don't bother clipping them */
- playCallback,
- &data );
- if( err != paNoError ) goto done;
-
- if( stream )
- {
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto done;
-
- printf("Waiting for playback to finish.\n"); fflush(stdout);
-
- while( ( err = Pa_IsStreamActive( stream ) ) == 1 ) Pa_Sleep(100);
- if( err < 0 ) goto done;
-
- err = Pa_CloseStream( stream );
- if( err != paNoError ) goto done;
-
- printf("Done.\n"); fflush(stdout);
- }
-
-done:
- Pa_Terminate();
- if( data.recordedSamples ) /* Sure it is NULL or valid. */
- free( data.recordedSamples );
- if( err != paNoError )
- {
- fprintf( stderr, "An error occured while using the portaudio stream\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- err = 1; /* Always return 0 or 1, but no other return codes. */
- }
- return err;
-}
-
diff --git a/src/audio/portaudio/pa_tests/patest_ringmix.c b/src/audio/portaudio/pa_tests/patest_ringmix.c
deleted file mode 100644
index 1df0623881..0000000000
--- a/src/audio/portaudio/pa_tests/patest_ringmix.c
+++ /dev/null
@@ -1,79 +0,0 @@
-/** @file patest_ringmix.c
- @brief Ring modulate inputs to left output, mix inputs to right output.
-*/
-/*
- * $Id$
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.portaudio.com
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-
-
-#include "stdio.h"
-#include "portaudio.h"
-/* This will be called asynchronously by the PortAudio engine. */
-static int myCallback( const void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- const PaStreamCallbackTimeInfo* timeInfo,
- PaStreamCallbackFlags statusFlags,
- void *userData )
-{
- const float *in = (const float *) inputBuffer;
- float *out = (float *) outputBuffer;
- float leftInput, rightInput;
- unsigned int i;
-
- /* Read input buffer, process data, and fill output buffer. */
- for( i=0; i<framesPerBuffer; i++ )
- {
- leftInput = *in++; /* Get interleaved samples from input buffer. */
- rightInput = *in++;
- *out++ = leftInput * rightInput; /* ring modulation */
- *out++ = 0.5f * (leftInput + rightInput); /* mix */
- }
- return 0;
-}
-
-/* Open a PortAudioStream to input and output audio data. */
-int main(void)
-{
- PaStream *stream;
- Pa_Initialize();
- Pa_OpenDefaultStream(
- &stream,
- 2, 2, /* stereo input and output */
- paFloat32, 44100.0,
- 64, /* 64 frames per buffer */
- myCallback, NULL );
- Pa_StartStream( stream );
- Pa_Sleep( 10000 ); /* Sleep for 10 seconds while processing. */
- Pa_StopStream( stream );
- Pa_CloseStream( stream );
- Pa_Terminate();
- return 0;
-}
diff --git a/src/audio/portaudio/pa_tests/patest_saw.c b/src/audio/portaudio/pa_tests/patest_saw.c
deleted file mode 100644
index e76e3cb924..0000000000
--- a/src/audio/portaudio/pa_tests/patest_saw.c
+++ /dev/null
@@ -1,125 +0,0 @@
-/** @file patest_saw.c
- @brief Play a simple (aliasing) sawtooth wave.
- @author Phil Burk http://www.softsynth.com
-*/
-/*
- * $Id$
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.portaudio.com
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-#include <stdio.h>
-#include <math.h>
-#include "portaudio.h"
-#define NUM_SECONDS (4)
-#define SAMPLE_RATE (44100)
-
-typedef struct
-{
- float left_phase;
- float right_phase;
-}
-paTestData;
-
-/* This routine will be called by the PortAudio engine when audio is needed.
-** It may called at interrupt level on some machines so don't do anything
-** that could mess up the system like calling malloc() or free().
-*/
-static int patestCallback( const void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- const PaStreamCallbackTimeInfo* timeInfo,
- PaStreamCallbackFlags statusFlags,
- void *userData )
-{
- /* Cast data passed through stream to our structure. */
- paTestData *data = (paTestData*)userData;
- float *out = (float*)outputBuffer;
- unsigned int i;
- (void) inputBuffer; /* Prevent unused variable warning. */
-
- for( i=0; i<framesPerBuffer; i++ )
- {
- *out++ = data->left_phase; /* left */
- *out++ = data->right_phase; /* right */
- /* Generate simple sawtooth phaser that ranges between -1.0 and 1.0. */
- data->left_phase += 0.01f;
- /* When signal reaches top, drop back down. */
- if( data->left_phase >= 1.0f ) data->left_phase -= 2.0f;
- /* higher pitch so we can distinguish left and right. */
- data->right_phase += 0.03f;
- if( data->right_phase >= 1.0f ) data->right_phase -= 2.0f;
- }
- return 0;
-}
-
-/*******************************************************************/
-static paTestData data;
-int main(void);
-int main(void)
-{
- PaStream *stream;
- PaError err;
-
- printf("PortAudio Test: output sawtooth wave.\n");
- /* Initialize our data for use by callback. */
- data.left_phase = data.right_phase = 0.0;
- /* Initialize library before making any other calls. */
- err = Pa_Initialize();
- if( err != paNoError ) goto error;
-
- /* Open an audio I/O stream. */
- err = Pa_OpenDefaultStream( &stream,
- 0, /* no input channels */
- 2, /* stereo output */
- paFloat32, /* 32 bit floating point output */
- SAMPLE_RATE,
- 256, /* frames per buffer */
- patestCallback,
- &data );
- if( err != paNoError ) goto error;
-
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto error;
-
- /* Sleep for several seconds. */
- Pa_Sleep(NUM_SECONDS*1000);
-
- err = Pa_StopStream( stream );
- if( err != paNoError ) goto error;
- err = Pa_CloseStream( stream );
- if( err != paNoError ) goto error;
- Pa_Terminate();
- printf("Test finished.\n");
- return err;
-error:
- Pa_Terminate();
- fprintf( stderr, "An error occured while using the portaudio stream\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- return err;
-}
diff --git a/src/audio/portaudio/pa_tests/patest_sine.c b/src/audio/portaudio/pa_tests/patest_sine.c
deleted file mode 100644
index c952b58056..0000000000
--- a/src/audio/portaudio/pa_tests/patest_sine.c
+++ /dev/null
@@ -1,151 +0,0 @@
-/** @file patest_sine.c
- @brief Play a sine wave for several seconds.
- @author Ross Bencina <rossb@audiomulch.com>
- @author Phil Burk <philburk@softsynth.com>
-*/
-/*
- * $Id$
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.portaudio.com/
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-#include <stdio.h>
-#include <math.h>
-#include "portaudio.h"
-
-#define NUM_SECONDS (5)
-#define SAMPLE_RATE (44100)
-#define FRAMES_PER_BUFFER (64)
-
-#ifndef M_PI
-#define M_PI (3.14159265)
-#endif
-
-#define TABLE_SIZE (200)
-typedef struct
-{
- float sine[TABLE_SIZE];
- int left_phase;
- int right_phase;
-}
-paTestData;
-
-/* This routine will be called by the PortAudio engine when audio is needed.
-** It may called at interrupt level on some machines so don't do anything
-** that could mess up the system like calling malloc() or free().
-*/
-static int patestCallback( const void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- const PaStreamCallbackTimeInfo* timeInfo,
- PaStreamCallbackFlags statusFlags,
- void *userData )
-{
- paTestData *data = (paTestData*)userData;
- float *out = (float*)outputBuffer;
- unsigned long i;
-
- (void) timeInfo; /* Prevent unused variable warnings. */
- (void) statusFlags;
- (void) inputBuffer;
-
- for( i=0; i<framesPerBuffer; i++ )
- {
- *out++ = data->sine[data->left_phase]; /* left */
- *out++ = data->sine[data->right_phase]; /* right */
- data->left_phase += 1;
- if( data->left_phase >= TABLE_SIZE ) data->left_phase -= TABLE_SIZE;
- data->right_phase += 3; /* higher pitch so we can distinguish left and right. */
- if( data->right_phase >= TABLE_SIZE ) data->right_phase -= TABLE_SIZE;
- }
-
- return paContinue;
-}
-
-/*******************************************************************/
-int main(void);
-int main(void)
-{
- PaStreamParameters outputParameters;
- PaStream *stream;
- PaError err;
- paTestData data;
- int i;
-
-
- printf("PortAudio Test: output sine wave. SR = %d, BufSize = %d\n", SAMPLE_RATE, FRAMES_PER_BUFFER);
-
- /* initialise sinusoidal wavetable */
- for( i=0; i<TABLE_SIZE; i++ )
- {
- data.sine[i] = (float) sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. );
- }
- data.left_phase = data.right_phase = 0;
-
- err = Pa_Initialize();
- if( err != paNoError ) goto error;
-
- outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */
- outputParameters.channelCount = 2; /* stereo output */
- outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */
- outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
- outputParameters.hostApiSpecificStreamInfo = NULL;
-
- err = Pa_OpenStream(
- &stream,
- NULL, /* no input */
- &outputParameters,
- SAMPLE_RATE,
- FRAMES_PER_BUFFER,
- paClipOff, /* we won't output out of range samples so don't bother clipping them */
- patestCallback,
- &data );
- if( err != paNoError ) goto error;
-
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto error;
-
- printf("Play for %d seconds.\n", NUM_SECONDS );
- Pa_Sleep( NUM_SECONDS * 1000 );
-
- err = Pa_StopStream( stream );
- if( err != paNoError ) goto error;
-
- err = Pa_CloseStream( stream );
- if( err != paNoError ) goto error;
-
- Pa_Terminate();
- printf("Test finished.\n");
-
- return err;
-error:
- Pa_Terminate();
- fprintf( stderr, "An error occured while using the portaudio stream\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- return err;
-}
diff --git a/src/audio/portaudio/pa_tests/patest_sine8.c b/src/audio/portaudio/pa_tests/patest_sine8.c
deleted file mode 100644
index 5a9d1fe727..0000000000
--- a/src/audio/portaudio/pa_tests/patest_sine8.c
+++ /dev/null
@@ -1,212 +0,0 @@
-/** @file patest_sine8.c
- @brief Test 8 bit data: play a sine wave for several seconds.
- @author Ross Bencina <rossb@audiomulch.com>
-*/
-/*
- * $Id$
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.audiomulch.com/portaudio/
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-
-#include <stdio.h>
-#include <math.h>
-#include "portaudio.h"
-
-#define NUM_SECONDS (8)
-#define SAMPLE_RATE (44100)
-#define TABLE_SIZE (200)
-#define TEST_UNSIGNED (0)
-
-#if TEST_UNSIGNED
-#define TEST_FORMAT paUInt8
-#else
-#define TEST_FORMAT paInt8
-#endif
-
-#ifndef M_PI
-#define M_PI (3.14159265)
-#endif
-
-typedef struct
-{
-#if TEST_UNSIGNED
- unsigned char sine[TABLE_SIZE];
-#else
- char sine[TABLE_SIZE];
-#endif
- int left_phase;
- int right_phase;
- unsigned int framesToGo;
-}
-paTestData;
-
-/* This routine will be called by the PortAudio engine when audio is needed.
-** It may called at interrupt level on some machines so don't do anything
-** that could mess up the system like calling malloc() or free().
-*/
-static int patestCallback( const void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- const PaStreamCallbackTimeInfo* timeInfo,
- PaStreamCallbackFlags statusFlags,
- void *userData )
-{
- paTestData *data = (paTestData*)userData;
- char *out = (char*)outputBuffer;
- int i;
- int framesToCalc;
- int finished = 0;
- (void) inputBuffer; /* Prevent unused variable warnings. */
-
- if( data->framesToGo < framesPerBuffer )
- {
- framesToCalc = data->framesToGo;
- data->framesToGo = 0;
- finished = 1;
- }
- else
- {
- framesToCalc = framesPerBuffer;
- data->framesToGo -= framesPerBuffer;
- }
-
- for( i=0; i<framesToCalc; i++ )
- {
- *out++ = data->sine[data->left_phase]; /* left */
- *out++ = data->sine[data->right_phase]; /* right */
- data->left_phase += 1;
- if( data->left_phase >= TABLE_SIZE ) data->left_phase -= TABLE_SIZE;
- data->right_phase += 3; /* higher pitch so we can distinguish left and right. */
- if( data->right_phase >= TABLE_SIZE ) data->right_phase -= TABLE_SIZE;
- }
- /* zero remainder of final buffer */
- for( ; i<(int)framesPerBuffer; i++ )
- {
-#if TEST_UNSIGNED
- *out++ = (unsigned char) 0x80; /* left */
- *out++ = (unsigned char) 0x80; /* right */
-#else
- *out++ = 0; /* left */
- *out++ = 0; /* right */
-#endif
-
- }
- return finished;
-}
-
-/*******************************************************************/
-int main(void);
-int main(void)
-{
- PaStreamParameters outputParameters;
- PaStream* stream;
- PaError err;
- paTestData data;
- PaTime streamOpened;
- int i, totalSamps;
-
-#if TEST_UNSIGNED
- printf("PortAudio Test: output UNsigned 8 bit sine wave.\n");
-#else
- printf("PortAudio Test: output signed 8 bit sine wave.\n");
-#endif
- /* initialise sinusoidal wavetable */
- for( i=0; i<TABLE_SIZE; i++ )
- {
- data.sine[i] = (char) (127.0 * sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. ));
-#if TEST_UNSIGNED
- data.sine[i] += (unsigned char) 0x80;
-#endif
- }
- data.left_phase = data.right_phase = 0;
- data.framesToGo = totalSamps = NUM_SECONDS * SAMPLE_RATE; /* Play for a few seconds. */
-
- err = Pa_Initialize();
- if( err != paNoError )
- goto error;
-
- outputParameters.device = Pa_GetDefaultOutputDevice(); /* Default output device. */
- outputParameters.channelCount = 2; /* Stereo output. */
- outputParameters.sampleFormat = TEST_FORMAT;
- outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
- outputParameters.hostApiSpecificStreamInfo = NULL;
- err = Pa_OpenStream( &stream,
- NULL, /* No input. */
- &outputParameters,
- SAMPLE_RATE,
- 256, /* Frames per buffer. */
- paClipOff, /* We won't output out of range samples so don't bother clipping them. */
- patestCallback,
- &data );
- if( err != paNoError )
- goto error;
-
- streamOpened = Pa_GetStreamTime( stream ); /* Time in seconds when stream was opened (approx). */
-
- err = Pa_StartStream( stream );
- if( err != paNoError )
- goto error;
-
- /* Watch until sound is halfway finished. */
- /* (Was ( Pa_StreamTime( stream ) < (totalSamps/2) ) in V18. */
- while( (Pa_GetStreamTime( stream ) - streamOpened) < (PaTime)NUM_SECONDS / 2.0 )
- Pa_Sleep(10);
-
- /* Stop sound until ENTER hit. (Hu? don't see any keyboard-input here.) */
- err = Pa_StopStream( stream );
- if( err != paNoError )
- goto error;
-
- printf("Pause for 2 seconds.\n");
- Pa_Sleep( 2000 );
-
- err = Pa_StartStream( stream );
- if( err != paNoError )
- goto error;
-
- printf("Waiting for sound to finish.\n");
-
- while( ( err = Pa_IsStreamActive( stream ) ) == 1 )
- Pa_Sleep(100);
- if( err < 0 )
- goto error;
-
- err = Pa_CloseStream( stream );
- if( err != paNoError )
- goto error;
-
- Pa_Terminate();
- printf("Test finished.\n");
- return err;
-error:
- Pa_Terminate();
- fprintf( stderr, "An error occured while using the portaudio stream\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- return err;
-}
diff --git a/src/audio/portaudio/pa_tests/patest_sine_formats.c b/src/audio/portaudio/pa_tests/patest_sine_formats.c
deleted file mode 100644
index 448a4ebe96..0000000000
--- a/src/audio/portaudio/pa_tests/patest_sine_formats.c
+++ /dev/null
@@ -1,196 +0,0 @@
-/** @file patest_sine_formats.c
- @brief Play a sine wave for several seconds. Test various data formats.
- @author Phil Burk
-*/
-/*
- * $Id$
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.audiomulch.com/portaudio/
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-#include <stdio.h>
-#include <math.h>
-#include "portaudio.h"
-
-#define NUM_SECONDS (10)
-#define SAMPLE_RATE (44100)
-#define FRAMES_PER_BUFFER (512)
-#define LEFT_FREQ (SAMPLE_RATE/256.0) /* So we hit 1.0 */
-#define RIGHT_FREQ (500.0)
-#define AMPLITUDE (1.0)
-
-/* Select ONE format for testing. */
-#define TEST_UINT8 (0)
-#define TEST_INT8 (0)
-#define TEST_INT16 (1)
-#define TEST_FLOAT32 (0)
-
-#if TEST_UINT8
-#define TEST_FORMAT paUInt8
-typedef unsigned char SAMPLE_t;
-#define SAMPLE_ZERO (0x80)
-#define DOUBLE_TO_SAMPLE(x) (SAMPLE_ZERO + (SAMPLE_t)(127.0 * (x)))
-#define FORMAT_NAME "Unsigned 8 Bit"
-
-#elif TEST_INT8
-#define TEST_FORMAT paInt8
-typedef char SAMPLE_t;
-#define SAMPLE_ZERO (0)
-#define DOUBLE_TO_SAMPLE(x) (SAMPLE_ZERO + (SAMPLE_t)(127.0 * (x)))
-#define FORMAT_NAME "Signed 8 Bit"
-
-#elif TEST_INT16
-#define TEST_FORMAT paInt16
-typedef short SAMPLE_t;
-#define SAMPLE_ZERO (0)
-#define DOUBLE_TO_SAMPLE(x) (SAMPLE_ZERO + (SAMPLE_t)(32767 * (x)))
-#define FORMAT_NAME "Signed 16 Bit"
-
-#elif TEST_FLOAT32
-#define TEST_FORMAT paFloat32
-typedef float SAMPLE_t;
-#define SAMPLE_ZERO (0.0)
-#define DOUBLE_TO_SAMPLE(x) ((SAMPLE_t)(x))
-#define FORMAT_NAME "Float 32 Bit"
-#endif
-
-#ifndef M_PI
-#define M_PI (3.14159265)
-#endif
-
-
-typedef struct
-{
- double left_phase;
- double right_phase;
- unsigned int framesToGo;
-}
-paTestData;
-/* This routine will be called by the PortAudio engine when audio is needed.
-** It may called at interrupt level on some machines so don't do anything
-** that could mess up the system like calling malloc() or free().
-*/
-static int patestCallback( const void *inputBuffer,
- void *outputBuffer,
- unsigned long framesPerBuffer,
- const PaStreamCallbackTimeInfo* timeInfo,
- PaStreamCallbackFlags statusFlags,
- void *userData )
-{
- paTestData *data = (paTestData*)userData;
- SAMPLE_t *out = (SAMPLE_t *)outputBuffer;
- int i;
- int framesToCalc;
- int finished = 0;
- (void) inputBuffer; /* Prevent unused variable warnings. */
-
- if( data->framesToGo < framesPerBuffer )
- {
- framesToCalc = data->framesToGo;
- data->framesToGo = 0;
- finished = 1;
- }
- else
- {
- framesToCalc = framesPerBuffer;
- data->framesToGo -= framesPerBuffer;
- }
-
- for( i=0; i<framesToCalc; i++ )
- {
- data->left_phase += (LEFT_FREQ / SAMPLE_RATE);
- if( data->left_phase > 1.0) data->left_phase -= 1.0;
- *out++ = DOUBLE_TO_SAMPLE( AMPLITUDE * sin( (data->left_phase * M_PI * 2. )));
-
- data->right_phase += (RIGHT_FREQ / SAMPLE_RATE);
- if( data->right_phase > 1.0) data->right_phase -= 1.0;
- *out++ = DOUBLE_TO_SAMPLE( AMPLITUDE * sin( (data->right_phase * M_PI * 2. )));
- }
- /* zero remainder of final buffer */
- for( ; i<(int)framesPerBuffer; i++ )
- {
- *out++ = SAMPLE_ZERO; /* left */
- *out++ = SAMPLE_ZERO; /* right */
- }
- return finished;
-}
-/*******************************************************************/
-int main(void);
-int main(void)
-{
- PaStream *stream;
- PaStreamParameters outputParameters;
- PaError err;
- paTestData data;
- int totalSamps;
-
- printf("PortAudio Test: output " FORMAT_NAME "\n");
-
- data.left_phase = data.right_phase = 0.0;
- data.framesToGo = totalSamps = NUM_SECONDS * SAMPLE_RATE; /* Play for a few seconds. */
- err = Pa_Initialize();
- if( err != paNoError ) goto error;
-
-
- outputParameters.device = Pa_GetDefaultOutputDevice(); /* Default output device. */
- outputParameters.channelCount = 2; /* Stereo output */
- outputParameters.sampleFormat = TEST_FORMAT; /* Selected above. */
- outputParameters.suggestedLatency = Pa_GetDeviceInfo(outputParameters.device)->defaultLowOutputLatency;
- outputParameters.hostApiSpecificStreamInfo = NULL;
- err = Pa_OpenStream( &stream,
- NULL, /* No input. */
- &outputParameters, /* As above. */
- SAMPLE_RATE,
- FRAMES_PER_BUFFER,
- paClipOff, /* we won't output out of range samples so don't bother clipping them */
- patestCallback,
- &data );
- if( err != paNoError ) goto error;
-
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto error;
-
- printf("Waiting %d seconds for sound to finish.\n", NUM_SECONDS );
-
- while( ( err = Pa_IsStreamActive( stream ) ) == 1 ) Pa_Sleep(100);
- if( err < 0 ) goto error;
-
- err = Pa_CloseStream( stream );
- if( err != paNoError ) goto error;
- Pa_Terminate();
-
- printf("PortAudio Test Finished: " FORMAT_NAME "\n");
-
- return err;
-error:
- Pa_Terminate();
- fprintf( stderr, "An error occured while using the portaudio stream\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- return err;
-}
diff --git a/src/audio/portaudio/pa_tests/patest_sine_time.c b/src/audio/portaudio/pa_tests/patest_sine_time.c
deleted file mode 100644
index cf45275fe1..0000000000
--- a/src/audio/portaudio/pa_tests/patest_sine_time.c
+++ /dev/null
@@ -1,208 +0,0 @@
-/** @file patest_sine_time.c
- @brief Play a sine wave for several seconds, pausing in the middle.
- Uses the Pa_GetStreamTime() call.
- @author Ross Bencina <rossb@audiomulch.com>
- @author Phil Burk <philburk@softsynth.com>
-*/
-/*
- * $Id$
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.audiomulch.com/portaudio/
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-#include <stdio.h>
-#include <math.h>
-
-#include "portaudio.h"
-#include "pa_util.h"
-
-#define NUM_SECONDS (8)
-#define SAMPLE_RATE (44100)
-#define FRAMES_PER_BUFFER (64)
-
-#ifndef M_PI
-#define M_PI (3.14159265)
-#endif
-#define TWOPI (M_PI * 2.0)
-
-#define TABLE_SIZE (200)
-
-typedef struct
-{
- double left_phase;
- double right_phase;
- volatile PaTime outTime;
-}
-paTestData;
-
-/* This routine will be called by the PortAudio engine when audio is needed.
-** It may called at interrupt level on some machines so don't do anything
-** that could mess up the system like calling malloc() or free().
-*/
-static int patestCallback( const void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- const PaStreamCallbackTimeInfo* timeInfo,
- PaStreamCallbackFlags statusFlags,
- void *userData )
-{
- paTestData *data = (paTestData*)userData;
- float *out = (float*)outputBuffer;
- unsigned int i;
-
- double left_phaseInc = 0.02;
- double right_phaseInc = 0.06;
-
- double left_phase = data->left_phase;
- double right_phase = data->right_phase;
-
- (void) statusFlags; /* Prevent unused variable warnings. */
- (void) inputBuffer;
-
- data->outTime = timeInfo->outputBufferDacTime;
-
- for( i=0; i<framesPerBuffer; i++ )
- {
- left_phase += left_phaseInc;
- if( left_phase > TWOPI ) left_phase -= TWOPI;
- *out++ = (float) sin( left_phase );
-
- right_phase += right_phaseInc;
- if( right_phase > TWOPI ) right_phase -= TWOPI;
- *out++ = (float) sin( right_phase );
- }
-
- data->left_phase = left_phase;
- data->right_phase = right_phase;
-
- return paContinue;
-}
-
-/*******************************************************************/
-static void ReportStreamTime( PaStream *stream, paTestData *data );
-static void ReportStreamTime( PaStream *stream, paTestData *data )
-{
- PaTime streamTime, latency, outTime;
-
- streamTime = Pa_GetStreamTime( stream );
- outTime = data->outTime;
- if( outTime < 0.0 )
- {
- printf("Stream time = %8.1f\n", streamTime );
- }
- else
- {
- latency = outTime - streamTime;
- printf("Stream time = %8.4f, outTime = %8.4f, latency = %8.4f\n",
- streamTime, outTime, latency );
- }
- fflush(stdout);
-}
-
-/*******************************************************************/
-int main(void);
-int main(void)
-{
- PaStreamParameters outputParameters;
- PaStream *stream;
- PaError err;
- paTestData data;
- PaTime startTime;
-
- printf("PortAudio Test: output sine wave. SR = %d, BufSize = %d\n", SAMPLE_RATE, FRAMES_PER_BUFFER);
-
- data.left_phase = data.right_phase = 0;
-
- err = Pa_Initialize();
- if( err != paNoError ) goto error;
-
- outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */
- outputParameters.channelCount = 2; /* stereo output */
- outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */
- outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
- outputParameters.hostApiSpecificStreamInfo = NULL;
-
- err = Pa_OpenStream(
- &stream,
- NULL, /* no input */
- &outputParameters,
- SAMPLE_RATE,
- FRAMES_PER_BUFFER,
- paClipOff, /* we won't output out of range samples so don't bother clipping them */
- patestCallback,
- &data );
- if( err != paNoError ) goto error;
-
- /* Watch until sound is halfway finished. */
- printf("Play for %d seconds.\n", NUM_SECONDS/2 ); fflush(stdout);
-
- data.outTime = -1.0; /* mark time for callback as undefined */
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto error;
-
- startTime = Pa_GetStreamTime( stream );
-
- do
- {
- ReportStreamTime( stream, &data );
- Pa_Sleep(100);
- } while( (Pa_GetStreamTime( stream ) - startTime) < (NUM_SECONDS/2) );
-
- /* Stop sound for 2 seconds. */
- err = Pa_StopStream( stream );
- if( err != paNoError ) goto error;
-
- printf("Pause for 2 seconds.\n"); fflush(stdout);
- Pa_Sleep( 2000 );
-
- data.outTime = -1.0; /* mark time for callback as undefined */
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto error;
-
- startTime = Pa_GetStreamTime( stream );
-
- printf("Play until sound is finished.\n"); fflush(stdout);
- do
- {
- ReportStreamTime( stream, &data );
- Pa_Sleep(100);
- } while( (Pa_GetStreamTime( stream ) - startTime) < (NUM_SECONDS/2) );
-
- err = Pa_CloseStream( stream );
- if( err != paNoError ) goto error;
-
- Pa_Terminate();
- printf("Test finished.\n");
- return err;
-
-error:
- Pa_Terminate();
- fprintf( stderr, "An error occured while using the portaudio stream\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- return err;
-}
diff --git a/src/audio/portaudio/pa_tests/patest_start_stop.c b/src/audio/portaudio/pa_tests/patest_start_stop.c
deleted file mode 100644
index 03ade17210..0000000000
--- a/src/audio/portaudio/pa_tests/patest_start_stop.c
+++ /dev/null
@@ -1,162 +0,0 @@
-/** @file patest_start_stop.c
- @brief Play a sine wave for several seconds
- - start and stop the stream multiple times.
-
- @author Ross Bencina <rossb@audiomulch.com>
- @author Phil Burk <philburk@softsynth.com>
-*/
-/*
- * $Id$
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.portaudio.com/
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-#include <stdio.h>
-#include <math.h>
-#include "portaudio.h"
-
-#define OUTPUT_DEVICE Pa_GetDefaultOutputDevice() /* default output device */
-
-#define NUM_SECONDS (3)
-#define NUM_LOOPS (4)
-#define SAMPLE_RATE (44100)
-#define FRAMES_PER_BUFFER (400)
-
-#ifndef M_PI
-#define M_PI (3.14159265)
-#endif
-
-#define TABLE_SIZE (200)
-typedef struct
-{
- float sine[TABLE_SIZE];
- int left_phase;
- int right_phase;
-}
-paTestData;
-
-/* This routine will be called by the PortAudio engine when audio is needed.
-** It may called at interrupt level on some machines so don't do anything
-** that could mess up the system like calling malloc() or free().
-*/
-static int patestCallback( const void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- const PaStreamCallbackTimeInfo* timeInfo,
- PaStreamCallbackFlags statusFlags,
- void *userData )
-{
- paTestData *data = (paTestData*)userData;
- float *out = (float*)outputBuffer;
- unsigned long i;
-
- (void) timeInfo; /* Prevent unused variable warnings. */
- (void) statusFlags;
- (void) inputBuffer;
-
- for( i=0; i<framesPerBuffer; i++ )
- {
- *out++ = data->sine[data->left_phase]; /* left */
- *out++ = data->sine[data->right_phase]; /* right */
- data->left_phase += 1;
- if( data->left_phase >= TABLE_SIZE ) data->left_phase -= TABLE_SIZE;
- data->right_phase += 3; /* higher pitch so we can distinguish left and right. */
- if( data->right_phase >= TABLE_SIZE ) data->right_phase -= TABLE_SIZE;
- }
-
- return paContinue;
-}
-
-/*******************************************************************/
-int main(void);
-int main(void)
-{
- PaStreamParameters outputParameters;
- PaStream *stream;
- PaError err;
- paTestData data;
- int i;
-
-
- printf("PortAudio Test: output sine wave. SR = %d, BufSize = %d\n", SAMPLE_RATE, FRAMES_PER_BUFFER);
-
- /* initialise sinusoidal wavetable */
- for( i=0; i<TABLE_SIZE; i++ )
- {
- data.sine[i] = (float) sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. );
- }
- data.left_phase = data.right_phase = 0;
-
- err = Pa_Initialize();
- if( err != paNoError ) goto error;
-
- outputParameters.device = OUTPUT_DEVICE;
- outputParameters.channelCount = 2; /* stereo output */
- outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */
- outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
- outputParameters.hostApiSpecificStreamInfo = NULL;
-
- err = Pa_OpenStream(
- &stream,
- NULL, /* no input */
- &outputParameters,
- SAMPLE_RATE,
- FRAMES_PER_BUFFER,
- paClipOff, /* we won't output out of range samples so don't bother clipping them */
- patestCallback,
- &data );
- if( err != paNoError ) goto error;
-
- for( i=0; i<NUM_LOOPS; i++ )
- {
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto error;
-
- printf("Play for %d seconds.\n", NUM_SECONDS );
- Pa_Sleep( NUM_SECONDS * 1000 );
-
- err = Pa_StopStream( stream );
- if( err != paNoError ) goto error;
-
- printf("Stopped.\n" );
- Pa_Sleep( 1000 );
- }
-
- err = Pa_CloseStream( stream );
- if( err != paNoError ) goto error;
-
- Pa_Terminate();
- printf("Test finished.\n");
-
- return err;
-error:
- Pa_Terminate();
- fprintf( stderr, "An error occured while using the portaudio stream\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- return err;
-}
diff --git a/src/audio/portaudio/pa_tests/patest_stop.c b/src/audio/portaudio/pa_tests/patest_stop.c
deleted file mode 100644
index deb850e9cb..0000000000
--- a/src/audio/portaudio/pa_tests/patest_stop.c
+++ /dev/null
@@ -1,313 +0,0 @@
-/** @file patest_stop.c
- @brief Test different ways of stopping audio.
-
- Test the three ways of stopping audio:
- - calling Pa_StopStream(),
- - calling Pa_AbortStream(),
- - and returning a 1 from the callback function.
-
- A long latency is set up so that you can hear the difference.
- Then a simple 8 note sequence is repeated twice.
- The program will print what you should hear.
-
- @author Phil Burk <philburk@softsynth.com>
-*/
-/*
- * $Id$
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.portaudio.com
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-#include <stdio.h>
-#include <math.h>
-#include "portaudio.h"
-
-#define OUTPUT_DEVICE (Pa_GetDefaultOutputDevice())
-#define SLEEP_DUR (200)
-#define SAMPLE_RATE (44100)
-#define FRAMES_PER_BUFFER (256)
-#define LATENCY_SECONDS (3.f)
-#define FRAMES_PER_NOTE (SAMPLE_RATE/2)
-#define MAX_REPEATS (2)
-#define FUNDAMENTAL (400.0f / SAMPLE_RATE)
-#define NOTE_0 (FUNDAMENTAL * 1.0f / 1.0f)
-#define NOTE_1 (FUNDAMENTAL * 5.0f / 4.0f)
-#define NOTE_2 (FUNDAMENTAL * 4.0f / 3.0f)
-#define NOTE_3 (FUNDAMENTAL * 3.0f / 2.0f)
-#define NOTE_4 (FUNDAMENTAL * 2.0f / 1.0f)
-#define MODE_FINISH (0)
-#define MODE_STOP (1)
-#define MODE_ABORT (2)
-#ifndef M_PI
-#define M_PI (3.14159265)
-#endif
-#define TABLE_SIZE (400)
-
-typedef struct
-{
- float waveform[TABLE_SIZE + 1]; /* Add one for guard point for interpolation. */
- float phase_increment;
- float phase;
- float *tune;
- int notesPerTune;
- int frameCounter;
- int noteCounter;
- int repeatCounter;
- PaTime outTime;
- int stopMode;
- int done;
-}
-paTestData;
-
-/************* Prototypes *****************************/
-int TestStopMode( paTestData *data );
-float LookupWaveform( paTestData *data, float phase );
-
-/******************************************************
- * Convert phase between 0.0 and 1.0 to waveform value
- * using linear interpolation.
- */
-float LookupWaveform( paTestData *data, float phase )
-{
- float fIndex = phase*TABLE_SIZE;
- int index = (int) fIndex;
- float fract = fIndex - index;
- float lo = data->waveform[index];
- float hi = data->waveform[index+1];
- float val = lo + fract*(hi-lo);
- return val;
-}
-
-/* This routine will be called by the PortAudio engine when audio is needed.
-** It may called at interrupt level on some machines so don't do anything
-** that could mess up the system like calling malloc() or free().
-*/
-static int patestCallback( const void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- const PaStreamCallbackTimeInfo* timeInfo,
- PaStreamCallbackFlags statusFlags,
- void *userData )
-{
- paTestData *data = (paTestData*)userData;
- float *out = (float*)outputBuffer;
- float value;
- unsigned int i = 0;
- int finished = paContinue;
-
- (void) inputBuffer; /* Prevent unused variable warnings. */
- (void) timeInfo;
- (void) statusFlags;
-
-
- /* data->outTime = outTime; */
-
- if( !data->done )
- {
- for( i=0; i<framesPerBuffer; i++ )
- {
- /* Are we done with this note? */
- if( data->frameCounter >= FRAMES_PER_NOTE )
- {
- data->noteCounter += 1;
- data->frameCounter = 0;
- /* Are we done with this tune? */
- if( data->noteCounter >= data->notesPerTune )
- {
- data->noteCounter = 0;
- data->repeatCounter += 1;
- /* Are we totally done? */
- if( data->repeatCounter >= MAX_REPEATS )
- {
- data->done = 1;
- if( data->stopMode == MODE_FINISH )
- {
- finished = paComplete;
- break;
- }
- }
- }
- data->phase_increment = data->tune[data->noteCounter];
- }
- value = LookupWaveform(data, data->phase);
- *out++ = value; /* left */
- *out++ = value; /* right */
- data->phase += data->phase_increment;
- if( data->phase >= 1.0f ) data->phase -= 1.0f;
-
- data->frameCounter += 1;
- }
- }
- /* zero remainder of final buffer */
- for( ; i<framesPerBuffer; i++ )
- {
- *out++ = 0; /* left */
- *out++ = 0; /* right */
- }
- return finished;
-}
-/*******************************************************************/
-int main(void);
-int main(void)
-{
- paTestData data;
- int i;
- float simpleTune[] = { NOTE_0, NOTE_1, NOTE_2, NOTE_3, NOTE_4, NOTE_3, NOTE_2, NOTE_1 };
-
- printf("PortAudio Test: play song and test stopping. ask for %f seconds latency\n", LATENCY_SECONDS );
- /* initialise sinusoidal wavetable */
- for( i=0; i<TABLE_SIZE; i++ )
- {
- data.waveform[i] = (float) (
- (0.2 * sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. )) +
- (0.2 * sin( ((double)(3*i)/(double)TABLE_SIZE) * M_PI * 2. )) +
- (0.1 * sin( ((double)(5*i)/(double)TABLE_SIZE) * M_PI * 2. ))
- );
- }
- data.waveform[TABLE_SIZE] = data.waveform[0]; /* Set guard point. */
- data.tune = &simpleTune[0];
- data.notesPerTune = sizeof(simpleTune) / sizeof(float);
-
- printf("Test MODE_FINISH - callback returns 1.\n");
- printf("Should hear entire %d note tune repeated twice.\n", data.notesPerTune);
- data.stopMode = MODE_FINISH;
- if( TestStopMode( &data ) != paNoError )
- {
- printf("Test of MODE_FINISH failed!\n");
- goto error;
- }
-
- printf("Test MODE_STOP - stop when song is done.\n");
- printf("Should hear entire %d note tune repeated twice.\n", data.notesPerTune);
- data.stopMode = MODE_STOP;
- if( TestStopMode( &data ) != paNoError )
- {
- printf("Test of MODE_STOP failed!\n");
- goto error;
- }
-
- printf("Test MODE_ABORT - abort immediately.\n");
- printf("Should hear last repetition cut short by %f seconds.\n", LATENCY_SECONDS);
- data.stopMode = MODE_ABORT;
- if( TestStopMode( &data ) != paNoError )
- {
- printf("Test of MODE_ABORT failed!\n");
- goto error;
- }
-
- return 0;
-
-error:
- return 1;
-}
-
-int TestStopMode( paTestData *data )
-{
- PaStreamParameters outputParameters;
- PaStream *stream;
- PaError err;
-
- data->done = 0;
- data->phase = 0.0;
- data->frameCounter = 0;
- data->noteCounter = 0;
- data->repeatCounter = 0;
- data->phase_increment = data->tune[data->noteCounter];
-
- err = Pa_Initialize();
- if( err != paNoError ) goto error;
-
- outputParameters.device = OUTPUT_DEVICE;
- outputParameters.channelCount = 2; /* stereo output */
- outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */
- outputParameters.suggestedLatency = LATENCY_SECONDS;
- outputParameters.hostApiSpecificStreamInfo = NULL;
-
- err = Pa_OpenStream(
- &stream,
- NULL, /* no input */
- &outputParameters,
- SAMPLE_RATE,
- FRAMES_PER_BUFFER, /* frames per buffer */
- paClipOff, /* we won't output out of range samples so don't bother clipping them */
- patestCallback,
- data );
- if( err != paNoError ) goto error;
-
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto error;
-
- if( data->stopMode == MODE_FINISH )
- {
- while( ( err = Pa_IsStreamActive( stream ) ) == 1 )
- {
- /*printf("outTime = %g, note# = %d, repeat# = %d\n", data->outTime,
- data->noteCounter, data->repeatCounter );
- fflush(stdout); */
- Pa_Sleep( SLEEP_DUR );
- }
- if( err < 0 ) goto error;
- }
- else
- {
- while( data->repeatCounter < MAX_REPEATS )
- {
- /*printf("outTime = %g, note# = %d, repeat# = %d\n", data->outTime,
- data->noteCounter, data->repeatCounter );
- fflush(stdout); */
- Pa_Sleep( SLEEP_DUR );
- }
- }
-
- if( data->stopMode == MODE_ABORT )
- {
- printf("Call Pa_AbortStream()\n");
- err = Pa_AbortStream( stream );
- }
- else
- {
- printf("Call Pa_StopStream()\n");
- err = Pa_StopStream( stream );
- }
- if( err != paNoError ) goto error;
-
- printf("Call Pa_CloseStream()\n"); fflush(stdout);
- err = Pa_CloseStream( stream );
- if( err != paNoError ) goto error;
-
- Pa_Terminate();
- printf("Test finished.\n");
-
- return err;
-
-error:
- Pa_Terminate();
- fprintf( stderr, "An error occured while using the portaudio stream\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- return err;
-}
diff --git a/src/audio/portaudio/pa_tests/patest_stop_playout.c b/src/audio/portaudio/pa_tests/patest_stop_playout.c
deleted file mode 100644
index 41134d5816..0000000000
--- a/src/audio/portaudio/pa_tests/patest_stop_playout.c
+++ /dev/null
@@ -1,432 +0,0 @@
-/** @file patest_stop_playout.c
- @brief Test whether all queued samples are played when Pa_StopStream()
- is used with a callback or read/write stream, or when the callback
- returns paComplete.
- @author Ross Bencina <rossb@audiomulch.com>
-*/
-/*
- * $Id$
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.portaudio.com/
- * Copyright (c) 1999-2004 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-#include <stdio.h>
-#include <math.h>
-#include "portaudio.h"
-
-#define SAMPLE_RATE (44100)
-#define FRAMES_PER_BUFFER (1024)
-
-#define TONE_SECONDS (1) /* long tone */
-#define TONE_FADE_SECONDS (.04) /* fades at start and end of long tone */
-#define GAP_SECONDS (.25) /* gap between long tone and blip */
-#define BLIP_SECONDS (.035) /* short blip */
-
-#define NUM_REPEATS (3)
-
-#ifndef M_PI
-#define M_PI (3.14159265)
-#endif
-
-#define TABLE_SIZE (2048)
-typedef struct
-{
- float sine[TABLE_SIZE+1];
-
- int repeatCount;
-
- double phase;
- double lowIncrement, highIncrement;
-
- int gap1Length, toneLength, toneFadesLength, gap2Length, blipLength;
- int gap1Countdown, toneCountdown, gap2Countdown, blipCountdown;
-}
-TestData;
-
-
-static void RetriggerTestSignalGenerator( TestData *data )
-{
- data->phase = 0.;
- data->gap1Countdown = data->gap1Length;
- data->toneCountdown = data->toneLength;
- data->gap2Countdown = data->gap2Length;
- data->blipCountdown = data->blipLength;
-}
-
-
-static void ResetTestSignalGenerator( TestData *data )
-{
- data->repeatCount = 0;
- RetriggerTestSignalGenerator( data );
-}
-
-
-static void InitTestSignalGenerator( TestData *data )
-{
- int signalLengthModBufferLength, i;
-
- /* initialise sinusoidal wavetable */
- for( i=0; i<TABLE_SIZE; i++ )
- {
- data->sine[i] = (float) sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. );
- }
- data->sine[TABLE_SIZE] = data->sine[0]; /* guard point for linear interpolation */
-
-
-
- data->lowIncrement = (330. / SAMPLE_RATE) * TABLE_SIZE;
- data->highIncrement = (1760. / SAMPLE_RATE) * TABLE_SIZE;
-
- data->gap1Length = GAP_SECONDS * SAMPLE_RATE;
- data->toneLength = TONE_SECONDS * SAMPLE_RATE;
- data->toneFadesLength = TONE_FADE_SECONDS * SAMPLE_RATE;
- data->gap2Length = GAP_SECONDS * SAMPLE_RATE;
- data->blipLength = BLIP_SECONDS * SAMPLE_RATE;
-
- /* adjust signal length to be a multiple of the buffer length */
- signalLengthModBufferLength = (data->gap1Length + data->toneLength + data->gap2Length + data->blipLength) % FRAMES_PER_BUFFER;
- if( signalLengthModBufferLength > 0 )
- data->toneLength += signalLengthModBufferLength;
-
- ResetTestSignalGenerator( data );
-}
-
-
-#define MIN( a, b ) (((a)<(b))?(a):(b))
-
-static void GenerateTestSignal( TestData *data, float *stereo, int frameCount )
-{
- int framesGenerated = 0;
- float output;
- long index;
- float fraction;
- int count, i;
-
- while( framesGenerated < frameCount && data->repeatCount < NUM_REPEATS )
- {
- if( framesGenerated < frameCount && data->gap1Countdown > 0 ){
- count = MIN( frameCount - framesGenerated, data->gap1Countdown );
- for( i=0; i < count; ++i )
- {
- *stereo++ = 0.f;
- *stereo++ = 0.f;
- }
-
- data->gap1Countdown -= count;
- framesGenerated += count;
- }
-
- if( framesGenerated < frameCount && data->toneCountdown > 0 ){
- count = MIN( frameCount - framesGenerated, data->toneCountdown );
- for( i=0; i < count; ++i )
- {
- /* tone with data->lowIncrement phase increment */
- index = (long)data->phase;
- fraction = data->phase - index;
- output = data->sine[ index ] + (data->sine[ index + 1 ] - data->sine[ index ]) * fraction;
-
- data->phase += data->lowIncrement;
- while( data->phase >= TABLE_SIZE )
- data->phase -= TABLE_SIZE;
-
- /* apply fade to ends */
-
- if( data->toneCountdown < data->toneFadesLength )
- {
- /* cosine-bell fade out at end */
- output *= (-cos(((float)data->toneCountdown / (float)data->toneFadesLength) * M_PI) + 1.) * .5;
- }
- else if( data->toneCountdown > data->toneLength - data->toneFadesLength )
- {
- /* cosine-bell fade in at start */
- output *= (cos(((float)(data->toneCountdown - (data->toneLength - data->toneFadesLength)) / (float)data->toneFadesLength) * M_PI) + 1.) * .5;
- }
-
- output *= .5; /* play tone half as loud as blip */
-
- *stereo++ = output;
- *stereo++ = output;
-
- data->toneCountdown--;
- }
-
- framesGenerated += count;
- }
-
- if( framesGenerated < frameCount && data->gap2Countdown > 0 ){
- count = MIN( frameCount - framesGenerated, data->gap2Countdown );
- for( i=0; i < count; ++i )
- {
- *stereo++ = 0.f;
- *stereo++ = 0.f;
- }
-
- data->gap2Countdown -= count;
- framesGenerated += count;
- }
-
- if( framesGenerated < frameCount && data->blipCountdown > 0 ){
- count = MIN( frameCount - framesGenerated, data->blipCountdown );
- for( i=0; i < count; ++i )
- {
- /* tone with data->highIncrement phase increment */
- index = (long)data->phase;
- fraction = data->phase - index;
- output = data->sine[ index ] + (data->sine[ index + 1 ] - data->sine[ index ]) * fraction;
-
- data->phase += data->highIncrement;
- while( data->phase >= TABLE_SIZE )
- data->phase -= TABLE_SIZE;
-
- /* cosine-bell envelope over whole blip */
- output *= (-cos( ((float)data->blipCountdown / (float)data->blipLength) * 2. * M_PI) + 1.) * .5;
-
- *stereo++ = output;
- *stereo++ = output;
-
- data->blipCountdown--;
- }
-
- framesGenerated += count;
- }
-
-
- if( data->blipCountdown == 0 )
- {
- RetriggerTestSignalGenerator( data );
- data->repeatCount++;
- }
- }
-
- if( framesGenerated < frameCount )
- {
- count = frameCount - framesGenerated;
- for( i=0; i < count; ++i )
- {
- *stereo++ = 0.f;
- *stereo++ = 0.f;
- }
- }
-}
-
-
-static int IsTestSignalFinished( TestData *data )
-{
- if( data->repeatCount >= NUM_REPEATS )
- return 1;
- else
- return 0;
-}
-
-
-static int TestCallback1( const void *inputBuffer, void *outputBuffer,
- unsigned long frameCount,
- const PaStreamCallbackTimeInfo* timeInfo,
- PaStreamCallbackFlags statusFlags,
- void *userData )
-{
- (void) inputBuffer; /* Prevent unused variable warnings. */
- (void) timeInfo;
- (void) statusFlags;
-
- GenerateTestSignal( (TestData*)userData, (float*)outputBuffer, frameCount );
-
- if( IsTestSignalFinished( (TestData*)userData ) )
- return paComplete;
- else
- return paContinue;
-}
-
-
-volatile int testCallback2Finished = 0;
-
-static int TestCallback2( const void *inputBuffer, void *outputBuffer,
- unsigned long frameCount,
- const PaStreamCallbackTimeInfo* timeInfo,
- PaStreamCallbackFlags statusFlags,
- void *userData )
-{
- (void) inputBuffer; /* Prevent unused variable warnings. */
- (void) timeInfo;
- (void) statusFlags;
-
- GenerateTestSignal( (TestData*)userData, (float*)outputBuffer, frameCount );
-
- if( IsTestSignalFinished( (TestData*)userData ) )
- testCallback2Finished = 1;
-
- return paContinue;
-}
-
-/*******************************************************************/
-int main(void);
-int main(void)
-{
- PaStreamParameters outputParameters;
- PaStream *stream;
- PaError err;
- TestData data;
- float writeBuffer[ FRAMES_PER_BUFFER * 2 ];
-
- printf("PortAudio Test: check that stopping stream plays out all queued samples. SR = %d, BufSize = %d\n", SAMPLE_RATE, FRAMES_PER_BUFFER);
-
- InitTestSignalGenerator( &data );
-
- err = Pa_Initialize();
- if( err != paNoError ) goto error;
-
- outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */
- outputParameters.channelCount = 2; /* stereo output */
- outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */
- outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultHighOutputLatency;
- outputParameters.hostApiSpecificStreamInfo = NULL;
-
-/* test paComplete ---------------------------------------------------------- */
-
- ResetTestSignalGenerator( &data );
-
- err = Pa_OpenStream(
- &stream,
- NULL, /* no input */
- &outputParameters,
- SAMPLE_RATE,
- FRAMES_PER_BUFFER,
- paClipOff, /* we won't output out of range samples so don't bother clipping them */
- TestCallback1,
- &data );
- if( err != paNoError ) goto error;
-
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto error;
-
-
- printf("\nPlaying 'tone-blip' %d times using callback, stops by returning paComplete from callback.\n", NUM_REPEATS );
- printf("If final blip is not intact, callback+paComplete implementation may be faulty.\n\n" );
-
- while( (err = Pa_IsStreamActive( stream )) == 1 )
- Pa_Sleep( 5 );
-
- if( err != 0 ) goto error;
-
-
- err = Pa_StopStream( stream );
- if( err != paNoError ) goto error;
-
- err = Pa_CloseStream( stream );
- if( err != paNoError ) goto error;
-
- Pa_Sleep( 500 );
-
-/* test Pa_StopStream() with callback --------------------------------------- */
-
- ResetTestSignalGenerator( &data );
-
- testCallback2Finished = 0;
-
- err = Pa_OpenStream(
- &stream,
- NULL, /* no input */
- &outputParameters,
- SAMPLE_RATE,
- FRAMES_PER_BUFFER,
- paClipOff, /* we won't output out of range samples so don't bother clipping them */
- TestCallback2,
- &data );
- if( err != paNoError ) goto error;
-
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto error;
-
-
- printf("\nPlaying 'tone-blip' %d times using callback, stops by calling Pa_StopStream.\n", NUM_REPEATS );
- printf("If final blip is not intact, callback+Pa_StopStream implementation may be faulty.\n\n" );
-
- /* note that polling a volatile flag is not a good way to synchronise with
- the callback, but it's the best we can do portably. */
- while( !testCallback2Finished )
- Pa_Sleep( 2 );
-
- err = Pa_StopStream( stream );
- if( err != paNoError ) goto error;
-
-
- err = Pa_CloseStream( stream );
- if( err != paNoError ) goto error;
-
- Pa_Sleep( 500 );
-
-/* test Pa_StopStream() with Pa_WriteStream --------------------------------- */
-
- ResetTestSignalGenerator( &data );
-
- err = Pa_OpenStream(
- &stream,
- NULL, /* no input */
- &outputParameters,
- SAMPLE_RATE,
- FRAMES_PER_BUFFER,
- paClipOff, /* we won't output out of range samples so don't bother clipping them */
- NULL, /* no callback, use blocking API */
- NULL ); /* no callback, so no callback userData */
- if( err != paNoError ) goto error;
-
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto error;
-
-
- printf("\nPlaying 'tone-blip' %d times using Pa_WriteStream, stops by calling Pa_StopStream.\n", NUM_REPEATS );
- printf("If final blip is not intact, Pa_WriteStream+Pa_StopStream implementation may be faulty.\n\n" );
-
- do{
- GenerateTestSignal( &data, writeBuffer, FRAMES_PER_BUFFER );
- err = Pa_WriteStream( stream, writeBuffer, FRAMES_PER_BUFFER );
- if( err != paNoError ) goto error;
-
- }while( !IsTestSignalFinished( &data ) );
-
- err = Pa_StopStream( stream );
- if( err != paNoError ) goto error;
-
-
- err = Pa_CloseStream( stream );
- if( err != paNoError ) goto error;
-
-/* -------------------------------------------------------------------------- */
-
- Pa_Terminate();
- printf("Test finished.\n");
-
- return err;
-
-error:
- Pa_Terminate();
- fprintf( stderr, "An error occured while using the portaudio stream\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- return err;
-}
diff --git a/src/audio/portaudio/pa_tests/patest_sync.c b/src/audio/portaudio/pa_tests/patest_sync.c
deleted file mode 100644
index 01e471420c..0000000000
--- a/src/audio/portaudio/pa_tests/patest_sync.c
+++ /dev/null
@@ -1,259 +0,0 @@
-/** @file patest_sync.c
- @brief Test time stamping and synchronization of audio and video.
-
- A high latency is used so we can hear the difference in time.
- Random durations are used so we know we are hearing the right beep
- and not the one before or after.
-
- Sequence of events:
- -# Foreground requests a beep.
- -# Background randomly schedules a beep.
- -# Foreground waits for the beep to be heard based on PaUtil_GetTime().
- -# Foreground outputs video (printf) in sync with audio.
- -# Repeat.
-
- @author Phil Burk http://www.softsynth.com
-*/
-/*
- * $Id$
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.portaudio.com
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-#include <stdio.h>
-#include <math.h>
-#include "portaudio.h"
-#include "pa_util.h"
-#define NUM_BEEPS (6)
-#define SAMPLE_RATE (44100)
-#define SAMPLE_PERIOD (1.0/44100.0)
-#define FRAMES_PER_BUFFER (256)
-#define BEEP_DURATION (400)
-#define LATENCY_MSEC (2000)
-#define SLEEP_MSEC (10)
-#define TIMEOUT_MSEC (15000)
-
-#define STATE_BKG_IDLE (0)
-#define STATE_BKG_PENDING (1)
-#define STATE_BKG_BEEPING (2)
-typedef struct
-{
- float left_phase;
- float right_phase;
- int state;
- int requestBeep; /* Set by foreground, cleared by background. */
- PaTime beepTime;
- int beepCount;
- double latency; /* For debugging. */
-}
-paTestData;
-
-static unsigned long GenerateRandomNumber( void );
-/************************************************************/
-/* Calculate pseudo-random 32 bit number based on linear congruential method. */
-static unsigned long GenerateRandomNumber( void )
-{
- static unsigned long randSeed = 99887766; /* Change this for different random sequences. */
- randSeed = (randSeed * 196314165) + 907633515;
- return randSeed;
-}
-
-/* This routine will be called by the PortAudio engine when audio is needed.
-** It may called at interrupt level on some machines so don't do anything
-** that could mess up the system like calling malloc() or free().
-*/
-static int patestCallback( const void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- const PaStreamCallbackTimeInfo *timeInfo,
- PaStreamCallbackFlags statusFlags, void *userData )
-{
- /* Cast data passed through stream to our structure. */
- paTestData *data = (paTestData*)userData;
- float *out = (float*)outputBuffer;
- unsigned int i;
- (void) inputBuffer;
-
- data->latency = timeInfo->outputBufferDacTime - timeInfo->currentTime;
-
- for( i=0; i<framesPerBuffer; i++ )
- {
- switch( data->state )
- {
- case STATE_BKG_IDLE:
- /* Schedule beep at some random time in the future. */
- if( data->requestBeep )
- {
- int random = GenerateRandomNumber() >> 14;
- data->beepTime = timeInfo->outputBufferDacTime + (( (double)(random + SAMPLE_RATE)) * SAMPLE_PERIOD );
- data->state = STATE_BKG_PENDING;
- }
- *out++ = 0.0; /* left */
- *out++ = 0.0; /* right */
- break;
-
- case STATE_BKG_PENDING:
- if( (timeInfo->outputBufferDacTime + (i*SAMPLE_PERIOD)) >= data->beepTime )
- {
- data->state = STATE_BKG_BEEPING;
- data->beepCount = BEEP_DURATION;
- data->left_phase = data->right_phase = 0.0;
- }
- *out++ = 0.0; /* left */
- *out++ = 0.0; /* right */
- break;
-
- case STATE_BKG_BEEPING:
- if( data->beepCount <= 0 )
- {
- data->state = STATE_BKG_IDLE;
- data->requestBeep = 0;
- *out++ = 0.0; /* left */
- *out++ = 0.0; /* right */
- }
- else
- {
- /* Play sawtooth wave. */
- *out++ = data->left_phase; /* left */
- *out++ = data->right_phase; /* right */
- /* Generate simple sawtooth phaser that ranges between -1.0 and 1.0. */
- data->left_phase += 0.01f;
- /* When signal reaches top, drop back down. */
- if( data->left_phase >= 1.0f ) data->left_phase -= 2.0f;
- /* higher pitch so we can distinguish left and right. */
- data->right_phase += 0.03f;
- if( data->right_phase >= 1.0f ) data->right_phase -= 2.0f;
- }
- data->beepCount -= 1;
- break;
-
- default:
- data->state = STATE_BKG_IDLE;
- break;
- }
- }
- return 0;
-}
-/*******************************************************************/
-int main(void);
-int main(void)
-{
- PaStream *stream;
- PaError err;
- paTestData DATA;
- int i, timeout;
- PaTime previousTime;
- PaStreamParameters outputParameters;
- printf("PortAudio Test: you should see BEEP at the same time you hear it.\n");
- printf("Wait for a few seconds random delay between BEEPs.\n");
- printf("BEEP %d times.\n", NUM_BEEPS );
- /* Initialize our DATA for use by callback. */
- DATA.left_phase = DATA.right_phase = 0.0;
- DATA.state = STATE_BKG_IDLE;
- DATA.requestBeep = 0;
- /* Initialize library before making any other calls. */
- err = Pa_Initialize();
- if( err != paNoError ) goto error;
-
- outputParameters.device = Pa_GetDefaultOutputDevice();
- outputParameters.channelCount = 2;
- outputParameters.hostApiSpecificStreamInfo = NULL;
- outputParameters.sampleFormat = paFloat32;
- outputParameters.suggestedLatency = (double)LATENCY_MSEC / 1000;
-
- /* Open an audio I/O stream. */
- err = Pa_OpenStream(
- &stream,
- NULL, /* no input */
- &outputParameters,
- SAMPLE_RATE,
- FRAMES_PER_BUFFER, /* frames per buffer */
- paClipOff, /* we won't output out of range samples so don't bother clipping them */
- patestCallback,
- &DATA );
- if( err != paNoError ) goto error;
-
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto error;
-
- printf("started\n");
- fflush(stdout);
-
- previousTime = Pa_GetStreamTime( stream );
- for( i=0; i<NUM_BEEPS; i++ )
- {
- /* Request a beep from background. */
- DATA.requestBeep = 1;
-
- /* Wait for background to acknowledge request. */
- timeout = TIMEOUT_MSEC;
- while( (DATA.requestBeep == 1) && (timeout-- > 0 ) ) Pa_Sleep(SLEEP_MSEC);
- if( timeout <= 0 )
- {
- fprintf( stderr, "Timed out waiting for background to acknowledge request.\n" );
- goto error;
- }
- printf("calc beep for %9.3f, latency = %6.3f\n", DATA.beepTime, DATA.latency );
- fflush(stdout);
-
- /* Wait for scheduled beep time. */
- timeout = TIMEOUT_MSEC + (10000/SLEEP_MSEC);
- while( (Pa_GetStreamTime( stream ) < DATA.beepTime) && (timeout-- > 0 ) )
- {
- Pa_Sleep(SLEEP_MSEC);
- }
- if( timeout <= 0 )
- {
- fprintf( stderr, "Timed out waiting for time. Now = %9.3f, Beep for %9.3f.\n",
- PaUtil_GetTime(), DATA.beepTime );
- goto error;
- }
-
- /* Beep should be sounding now so print synchronized BEEP. */
- printf("hear \"BEEP\" at %9.3f, delta = %9.3f\n",
- Pa_GetStreamTime( stream ), (DATA.beepTime - previousTime) );
- fflush(stdout);
-
- previousTime = DATA.beepTime;
- }
-
- err = Pa_StopStream( stream );
- if( err != paNoError ) goto error;
-
- err = Pa_CloseStream( stream );
- if( err != paNoError ) goto error;
-
- Pa_Terminate();
- printf("Test finished.\n");
- return err;
-error:
- Pa_Terminate();
- fprintf( stderr, "An error occured while using the portaudio stream\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- return err;
-}
diff --git a/src/audio/portaudio/pa_tests/patest_toomanysines.c b/src/audio/portaudio/pa_tests/patest_toomanysines.c
deleted file mode 100644
index b7b22667c6..0000000000
--- a/src/audio/portaudio/pa_tests/patest_toomanysines.c
+++ /dev/null
@@ -1,173 +0,0 @@
-/** @file patest_toomanysines.c
- @brief Play more sine waves than we can handle in real time as a stress test.
- @author Ross Bencina <rossb@audiomulch.com>
- @author Phil Burk <philburk@softsynth.com>
-*/
-/*
- * $Id$
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.audiomulch.com/portaudio/
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-#include <stdio.h>
-#include <math.h>
-#include "portaudio.h"
-
-#define MAX_SINES (500)
-#define MAX_LOAD (1.2)
-#define SAMPLE_RATE (44100)
-#define FRAMES_PER_BUFFER (512)
-#ifndef M_PI
-#define M_PI (3.14159265)
-#endif
-#define TWOPI (M_PI * 2.0)
-
-typedef struct paTestData
-{
- int numSines;
- double phases[MAX_SINES];
-}
-paTestData;
-
-/* This routine will be called by the PortAudio engine when audio is needed.
-** It may called at interrupt level on some machines so don't do anything
-** that could mess up the system like calling malloc() or free().
-*/
-static int patestCallback( const void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- const PaStreamCallbackTimeInfo* timeInfo,
- PaStreamCallbackFlags statusFlags,
- void *userData )
-{
- paTestData *data = (paTestData*)userData;
- float *out = (float*)outputBuffer;
- unsigned long i;
- int j;
- int finished = 0;
- (void) inputBuffer; /* Prevent unused variable warning. */
-
- for( i=0; i<framesPerBuffer; i++ )
- {
- float output = 0.0;
- double phaseInc = 0.02;
- double phase;
- for( j=0; j<data->numSines; j++ )
- {
- /* Advance phase of next oscillator. */
- phase = data->phases[j];
- phase += phaseInc;
- if( phase > TWOPI ) phase -= TWOPI;
-
- phaseInc *= 1.02;
- if( phaseInc > 0.5 ) phaseInc *= 0.5;
-
- /* This is not a very efficient way to calc sines. */
- output += (float) sin( phase );
- data->phases[j] = phase;
- }
- *out++ = (float) (output / data->numSines);
- }
- return finished;
-}
-
-/*******************************************************************/
-int main(void);
-int main(void)
-{
- PaStreamParameters outputParameters;
- PaStream *stream;
- PaError err;
- int numStress;
- paTestData data = {0};
- double load;
-
- printf("PortAudio Test: output sine wave. SR = %d, BufSize = %d. MAX_LOAD = %f\n",
- SAMPLE_RATE, FRAMES_PER_BUFFER, MAX_LOAD );
-
- err = Pa_Initialize();
- if( err != paNoError ) goto error;
-
- outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */
- outputParameters.channelCount = 1; /* mono output */
- outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */
- outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
- outputParameters.hostApiSpecificStreamInfo = NULL;
-
- err = Pa_OpenStream(
- &stream,
- NULL, /* no input */
- &outputParameters,
- SAMPLE_RATE,
- FRAMES_PER_BUFFER,
- paClipOff, /* we won't output out of range samples so don't bother clipping them */
- patestCallback,
- &data );
- if( err != paNoError ) goto error;
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto error;
-
- /* Determine number of sines required to get to 50% */
- do
- {
- data.numSines++;
- Pa_Sleep( 100 );
-
- load = Pa_GetStreamCpuLoad( stream );
- printf("numSines = %d, CPU load = %f\n", data.numSines, load );
- }
- while( load < 0.5 );
-
- /* Calculate target stress value then ramp up to that level*/
- numStress = (int) (2.0 * data.numSines * MAX_LOAD );
- for( ; data.numSines < numStress; data.numSines++ )
- {
- Pa_Sleep( 200 );
- load = Pa_GetStreamCpuLoad( stream );
- printf("STRESSING: numSines = %d, CPU load = %f\n", data.numSines, load );
- }
-
- printf("Suffer for 5 seconds.\n");
- Pa_Sleep( 5000 );
-
- printf("Stop stream.\n");
- err = Pa_StopStream( stream );
- if( err != paNoError ) goto error;
-
- err = Pa_CloseStream( stream );
- if( err != paNoError ) goto error;
-
- Pa_Terminate();
- printf("Test finished.\n");
- return err;
-error:
- Pa_Terminate();
- fprintf( stderr, "An error occured while using the portaudio stream\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- return err;
-}
diff --git a/src/audio/portaudio/pa_tests/patest_two_rates.c b/src/audio/portaudio/pa_tests/patest_two_rates.c
deleted file mode 100644
index 99532411ff..0000000000
--- a/src/audio/portaudio/pa_tests/patest_two_rates.c
+++ /dev/null
@@ -1,168 +0,0 @@
-/*
- * $Id$
- * patest_two_rates.c
- * Play two streams at different rates to make sure they don't interfere.
- *
- * Author: Phil Burk http://www.softsynth.com
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.portaudio.com
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-#include <stdio.h>
-#include <math.h>
-#include "portaudio.h"
-
-#define OUTPUT_DEVICE (Pa_GetDefaultOutputDeviceID())
-#define SAMPLE_RATE_1 (44100)
-#define SAMPLE_RATE_2 (44100)
-#define FRAMES_PER_BUFFER (256)
-#define FREQ_INCR (0.1)
-
-#ifndef M_PI
-#define M_PI (3.14159265)
-#endif
-
-typedef struct
-{
- double phase;
- double numFrames;
-} paTestData;
-
-/* This routine will be called by the PortAudio engine when audio is needed.
-** It may called at interrupt level on some machines so don't do anything
-** that could mess up the system like calling malloc() or free().
-*/
-static int patestCallback( void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- PaTimestamp outTime, void *userData )
-{
- paTestData *data = (paTestData*)userData;
- float *out = (float*)outputBuffer;
- int frameIndex, channelIndex;
- int finished = 0;
- (void) outTime; /* Prevent unused variable warnings. */
- (void) inputBuffer;
-
- for( frameIndex=0; frameIndex<(int)framesPerBuffer; frameIndex++ )
- {
- /* Generate sine wave. */
- float value = (float) 0.3 * sin(data->phase);
- /* Stereo - two channels. */
- *out++ = value;
- *out++ = value;
-
- data->phase += FREQ_INCR;
- if( data->phase >= (2.0 * M_PI) ) data->phase -= (2.0 * M_PI);
- }
-
- return 0;
-}
-
-/*******************************************************************/
-int main(void);
-int main(void)
-{
- PaError err;
- PortAudioStream *stream1;
- PortAudioStream *stream2;
- paTestData data1 = {0};
- paTestData data2 = {0};
- printf("PortAudio Test: two rates.\n" );
-
- err = Pa_Initialize();
- if( err != paNoError ) goto error;
-
- /* Start first stream. **********************/
- err = Pa_OpenStream(
- &stream1,
- paNoDevice, /* default input device */
- 0, /* no input */
- paFloat32, /* 32 bit floating point input */
- NULL,
- OUTPUT_DEVICE,
- 2, /* Stereo */
- paFloat32, /* 32 bit floating point output */
- NULL,
- SAMPLE_RATE_1,
- FRAMES_PER_BUFFER, /* frames per buffer */
- 0, /* number of buffers, if zero then use default minimum */
- paClipOff, /* we won't output out of range samples so don't bother clipping them */
- patestCallback,
- &data1 );
- if( err != paNoError ) goto error;
-
- err = Pa_StartStream( stream1 );
- if( err != paNoError ) goto error;
-
- Pa_Sleep( 3 * 1000 );
-
- /* Start second stream. **********************/
- err = Pa_OpenStream(
- &stream2,
- paNoDevice, /* default input device */
- 0, /* no input */
- paFloat32, /* 32 bit floating point input */
- NULL,
- OUTPUT_DEVICE,
- 2, /* Stereo */
- paFloat32, /* 32 bit floating point output */
- NULL,
- SAMPLE_RATE_2,
- FRAMES_PER_BUFFER, /* frames per buffer */
- 0, /* number of buffers, if zero then use default minimum */
- paClipOff, /* we won't output out of range samples so don't bother clipping them */
- patestCallback,
- &data2 );
- if( err != paNoError ) goto error;
-
- err = Pa_StartStream( stream2 );
- if( err != paNoError ) goto error;
-
- Pa_Sleep( 3 * 1000 );
-
- err = Pa_StopStream( stream2 );
- if( err != paNoError ) goto error;
-
- Pa_Sleep( 3 * 1000 );
-
- err = Pa_StopStream( stream1 );
- if( err != paNoError ) goto error;
-
- Pa_CloseStream( stream2 );
- Pa_CloseStream( stream1 );
-
- Pa_Terminate();
- printf("Test finished.\n");
- return err;
-error:
- Pa_Terminate();
- fprintf( stderr, "An error occured while using the portaudio stream\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- return err;
-}
diff --git a/src/audio/portaudio/pa_tests/patest_underflow.c b/src/audio/portaudio/pa_tests/patest_underflow.c
deleted file mode 100644
index 7ff3de6a42..0000000000
--- a/src/audio/portaudio/pa_tests/patest_underflow.c
+++ /dev/null
@@ -1,151 +0,0 @@
-/** @file patest_underflow.c
- @brief Simulate an output buffer underflow condition.
- Tests whether the stream can be stopped when underflowing buffers.
- @author Ross Bencina <rossb@audiomulch.com>
- @author Phil Burk <philburk@softsynth.com>
-*/
-/*
- * $Id$
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.audiomulch.com/portaudio/
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-#include <stdio.h>
-#include <math.h>
-#include "portaudio.h"
-
-#define NUM_SECONDS (20)
-#define SAMPLE_RATE (44100)
-#define FRAMES_PER_BUFFER (2048)
-#define MSEC_PER_BUFFER ( (FRAMES_PER_BUFFER * 1000) / SAMPLE_RATE )
-
-#ifndef M_PI
-#define M_PI (3.14159265)
-#endif
-
-#define TABLE_SIZE (200)
-typedef struct
-{
- float sine[TABLE_SIZE];
- int left_phase;
- int right_phase;
- int sleepTime;
-}
-paTestData;
-
-/* This routine will be called by the PortAudio engine when audio is needed.
-** It may called at interrupt level on some machines so don't do anything
-** that could mess up the system like calling malloc() or free().
-*/
-static int patestCallback( const void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- const PaStreamCallbackTimeInfo* timeInfo,
- PaStreamCallbackFlags statusFlags,
- void *userData )
-{
- paTestData *data = (paTestData*)userData;
- float *out = (float*)outputBuffer;
- unsigned long i;
- int finished = 0;
- (void) inputBuffer; /* Prevent unused variable warnings. */
- for( i=0; i<framesPerBuffer; i++ )
- {
- *out++ = data->sine[data->left_phase]; /* left */
- *out++ = data->sine[data->right_phase]; /* right */
- data->left_phase += 1;
- if( data->left_phase >= TABLE_SIZE ) data->left_phase -= TABLE_SIZE;
- data->right_phase += 3; /* higher pitch so we can distinguish left and right. */
- if( data->right_phase >= TABLE_SIZE ) data->right_phase -= TABLE_SIZE;
- }
-
- /* Cause underflow to occur. */
- if( data->sleepTime > 0 ) Pa_Sleep( data->sleepTime );
- data->sleepTime += 1;
-
- return finished;
-}
-
-/*******************************************************************/
-int main(void);
-int main(void)
-{
- PaStreamParameters outputParameters;
- PaStream *stream;
- PaError err;
- paTestData data;
- int i;
- printf("PortAudio Test: output sine wave. SR = %d, BufSize = %d\n", SAMPLE_RATE, FRAMES_PER_BUFFER);
- /* initialise sinusoidal wavetable */
- for( i=0; i<TABLE_SIZE; i++ )
- {
- data.sine[i] = (float) sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. );
- }
- data.left_phase = data.right_phase = data.sleepTime = 0;
- err = Pa_Initialize();
- if( err != paNoError ) goto error;
-
- outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */
- outputParameters.channelCount = 2; /* stereo output */
- outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */
- outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
- outputParameters.hostApiSpecificStreamInfo = NULL;
- err = Pa_OpenStream(
- &stream,
- NULL, /* no input */
- &outputParameters,
- SAMPLE_RATE,
- FRAMES_PER_BUFFER,
- paClipOff, /* we won't output out of range samples so don't bother clipping them */
- patestCallback,
- &data );
- if( err != paNoError ) goto error;
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto error;
-
- while( data.sleepTime < (2 * MSEC_PER_BUFFER) )
- {
- printf("SleepTime = %d\n", data.sleepTime );
- Pa_Sleep( data.sleepTime );
- }
-
- printf("Try to stop stream.\n");
- err = Pa_StopStream( stream ); /* */
- err = Pa_AbortStream( stream ); /* */
- if( err != paNoError ) goto error;
- err = Pa_CloseStream( stream );
- if( err != paNoError ) goto error;
- Pa_Terminate();
- printf("Test finished.\n");
- return err;
-error:
- Pa_Terminate();
- fprintf( stderr, "An error occured while using the portaudio stream\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- return err;
-}
diff --git a/src/audio/portaudio/pa_tests/patest_wire.c b/src/audio/portaudio/pa_tests/patest_wire.c
deleted file mode 100644
index d83ce22d64..0000000000
--- a/src/audio/portaudio/pa_tests/patest_wire.c
+++ /dev/null
@@ -1,284 +0,0 @@
-/** @file patest_wire.c
- @brief Pass input directly to output.
-
- Note that some HW devices, for example many ISA audio cards
- on PCs, do NOT support full duplex! For a PC, you normally need
- a PCI based audio card such as the SBLive.
-
- @author Phil Burk http://www.softsynth.com
-
- While adapting to V19-API, I excluded configs with framesPerCallback=0
- because of an assert in file pa_common/pa_process.c. Pieter, Oct 9, 2003.
-
-*/
-/*
- * $Id$
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.portaudio.com
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-#include <stdio.h>
-#include <math.h>
-#include "portaudio.h"
-
-#define SAMPLE_RATE (44100)
-
-typedef struct WireConfig_s
-{
- int isInputInterleaved;
- int isOutputInterleaved;
- int numInputChannels;
- int numOutputChannels;
- int framesPerCallback;
-} WireConfig_t;
-
-#define USE_FLOAT_INPUT (1)
-#define USE_FLOAT_OUTPUT (1)
-
-/* Latencies set to defaults. */
-
-#if USE_FLOAT_INPUT
- #define INPUT_FORMAT paFloat32
- typedef float INPUT_SAMPLE;
-#else
- #define INPUT_FORMAT paInt16
- typedef short INPUT_SAMPLE;
-#endif
-
-#if USE_FLOAT_OUTPUT
- #define OUTPUT_FORMAT paFloat32
- typedef float OUTPUT_SAMPLE;
-#else
- #define OUTPUT_FORMAT paInt16
- typedef short OUTPUT_SAMPLE;
-#endif
-
-double gInOutScaler = 1.0;
-#define CONVERT_IN_TO_OUT(in) ((OUTPUT_SAMPLE) ((in) * gInOutScaler))
-
-#define INPUT_DEVICE (Pa_GetDefaultInputDevice())
-#define OUTPUT_DEVICE (Pa_GetDefaultOutputDevice())
-
-static PaError TestConfiguration( WireConfig_t *config );
-
-static int wireCallback( const void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- const PaStreamCallbackTimeInfo* timeInfo,
- PaStreamCallbackFlags statusFlags,
- void *userData );
-
-/* This routine will be called by the PortAudio engine when audio is needed.
-** It may be called at interrupt level on some machines so don't do anything
-** that could mess up the system like calling malloc() or free().
-*/
-
-static int wireCallback( const void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- const PaStreamCallbackTimeInfo* timeInfo,
- PaStreamCallbackFlags statusFlags,
- void *userData )
-{
- INPUT_SAMPLE *in;
- OUTPUT_SAMPLE *out;
- int inStride;
- int outStride;
- int inDone = 0;
- int outDone = 0;
- WireConfig_t *config = (WireConfig_t *) userData;
- unsigned int i;
- int inChannel, outChannel;
-
- /* This may get called with NULL inputBuffer during initial setup. */
- if( inputBuffer == NULL) return 0;
-
- inChannel=0, outChannel=0;
- while( !(inDone && outDone) )
- {
- if( config->isInputInterleaved )
- {
- in = ((INPUT_SAMPLE*)inputBuffer) + inChannel;
- inStride = config->numInputChannels;
- }
- else
- {
- in = ((INPUT_SAMPLE**)inputBuffer)[inChannel];
- inStride = 1;
- }
-
- if( config->isOutputInterleaved )
- {
- out = ((OUTPUT_SAMPLE*)outputBuffer) + outChannel;
- outStride = config->numOutputChannels;
- }
- else
- {
- out = ((OUTPUT_SAMPLE**)outputBuffer)[outChannel];
- outStride = 1;
- }
-
- for( i=0; i<framesPerBuffer; i++ )
- {
- *out = CONVERT_IN_TO_OUT( *in );
- out += outStride;
- in += inStride;
- }
-
- if(inChannel < (config->numInputChannels - 1)) inChannel++;
- else inDone = 1;
- if(outChannel < (config->numOutputChannels - 1)) outChannel++;
- else outDone = 1;
- }
- return 0;
-}
-
-/*******************************************************************/
-int main(void);
-int main(void)
-{
- PaError err;
- WireConfig_t CONFIG;
- WireConfig_t *config = &CONFIG;
- int configIndex = 0;;
-
- err = Pa_Initialize();
- if( err != paNoError ) goto error;
-
- printf("Please connect audio signal to input and listen for it on output!\n");
- printf("input format = %lu\n", INPUT_FORMAT );
- printf("output format = %lu\n", OUTPUT_FORMAT );
- printf("input device ID = %d\n", INPUT_DEVICE );
- printf("output device ID = %d\n", OUTPUT_DEVICE );
-
- if( INPUT_FORMAT == OUTPUT_FORMAT )
- {
- gInOutScaler = 1.0;
- }
- else if( (INPUT_FORMAT == paInt16) && (OUTPUT_FORMAT == paFloat32) )
- {
- gInOutScaler = 1.0/32768.0;
- }
- else if( (INPUT_FORMAT == paFloat32) && (OUTPUT_FORMAT == paInt16) )
- {
- gInOutScaler = 32768.0;
- }
-
- for( config->isInputInterleaved = 0; config->isInputInterleaved < 2; config->isInputInterleaved++ )
- {
- for( config->isOutputInterleaved = 0; config->isOutputInterleaved < 2; config->isOutputInterleaved++ )
- {
- for( config->numInputChannels = 1; config->numInputChannels < 3; config->numInputChannels++ )
- {
- for( config->numOutputChannels = 1; config->numOutputChannels < 3; config->numOutputChannels++ )
- {
- /* If framesPerCallback = 0, assertion fails in file pa_common/pa_process.c, line 1413: EX. */
- for( config->framesPerCallback = 64; config->framesPerCallback < 129; config->framesPerCallback += 64 )
- {
- printf("-----------------------------------------------\n" );
- printf("Configuration #%d\n", configIndex++ );
- err = TestConfiguration( config );
- /* Give user a chance to bail out. */
- if( err == 1 )
- {
- err = paNoError;
- goto done;
- }
- else if( err != paNoError ) goto error;
- }
- }
- }
- }
- }
-
-done:
- Pa_Terminate();
- printf("Full duplex sound test complete.\n"); fflush(stdout);
- printf("Hit ENTER to quit.\n"); fflush(stdout);
- getchar();
- return 0;
-
-error:
- Pa_Terminate();
- fprintf( stderr, "An error occured while using the portaudio stream\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- printf("Hit ENTER to quit.\n"); fflush(stdout);
- getchar();
- return -1;
-}
-
-static PaError TestConfiguration( WireConfig_t *config )
-{
- int c;
- PaError err;
- PaStream *stream;
- PaStreamParameters inputParameters, outputParameters;
-
- printf("input %sinterleaved!\n", (config->isInputInterleaved ? " " : "NOT ") );
- printf("output %sinterleaved!\n", (config->isOutputInterleaved ? " " : "NOT ") );
- printf("input channels = %d\n", config->numInputChannels );
- printf("output channels = %d\n", config->numOutputChannels );
- printf("framesPerCallback = %d\n", config->framesPerCallback );
-
- inputParameters.device = INPUT_DEVICE; /* default input device */
- inputParameters.channelCount = config->numInputChannels;
- inputParameters.sampleFormat = INPUT_FORMAT | (config->isInputInterleaved ? 0 : paNonInterleaved);
- inputParameters.suggestedLatency = Pa_GetDeviceInfo( inputParameters.device )->defaultLowInputLatency;
- inputParameters.hostApiSpecificStreamInfo = NULL;
-
- outputParameters.device = OUTPUT_DEVICE; /* default output device */
- outputParameters.channelCount = config->numOutputChannels;
- outputParameters.sampleFormat = OUTPUT_FORMAT | (config->isOutputInterleaved ? 0 : paNonInterleaved);
- outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
- outputParameters.hostApiSpecificStreamInfo = NULL;
-
- err = Pa_OpenStream(
- &stream,
- &inputParameters,
- &outputParameters,
- SAMPLE_RATE,
- config->framesPerCallback, /* frames per buffer */
- paClipOff, /* we won't output out of range samples so don't bother clipping them */
- wireCallback,
- config );
- if( err != paNoError ) goto error;
-
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto error;
-
- printf("Hit ENTER for next configuration, or 'q' to quit.\n"); fflush(stdout);
- c = getchar();
-
- printf("Closing stream.\n");
- err = Pa_CloseStream( stream );
- if( err != paNoError ) goto error;
-
- if( c == 'q' ) return 1;
-
-error:
- return err;
-}
diff --git a/src/audio/portaudio/pa_tests/patest_write_sine.c b/src/audio/portaudio/pa_tests/patest_write_sine.c
deleted file mode 100644
index f0fcba0b6e..0000000000
--- a/src/audio/portaudio/pa_tests/patest_write_sine.c
+++ /dev/null
@@ -1,147 +0,0 @@
-/** @file patest_write_sine.c
- @brief Play a sine wave for several seconds using the blocking API (Pa_WriteStream())
- @author Ross Bencina <rossb@audiomulch.com>
- @author Phil Burk <philburk@softsynth.com>
-*/
-/*
- * $Id$
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.portaudio.com/
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-#include <stdio.h>
-#include <math.h>
-#include "portaudio.h"
-
-#define NUM_SECONDS (5)
-#define SAMPLE_RATE (44100)
-#define FRAMES_PER_BUFFER (1024)
-
-#ifndef M_PI
-#define M_PI (3.14159265)
-#endif
-
-#define TABLE_SIZE (200)
-
-
-int main(void);
-int main(void)
-{
- PaStreamParameters outputParameters;
- PaStream *stream;
- PaError err;
- float buffer[FRAMES_PER_BUFFER][2]; /* stereo output buffer */
- float sine[TABLE_SIZE]; /* sine wavetable */
- int left_phase = 0;
- int right_phase = 0;
- int left_inc = 1;
- int right_inc = 3; /* higher pitch so we can distinguish left and right. */
- int i, j, k;
- int bufferCount;
-
-
- printf("PortAudio Test: output sine wave. SR = %d, BufSize = %d\n", SAMPLE_RATE, FRAMES_PER_BUFFER);
-
- /* initialise sinusoidal wavetable */
- for( i=0; i<TABLE_SIZE; i++ )
- {
- sine[i] = (float) sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. );
- }
-
-
- err = Pa_Initialize();
- if( err != paNoError ) goto error;
-
- outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */
- outputParameters.channelCount = 2; /* stereo output */
- outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */
- outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
- outputParameters.hostApiSpecificStreamInfo = NULL;
-
- err = Pa_OpenStream(
- &stream,
- NULL, /* no input */
- &outputParameters,
- SAMPLE_RATE,
- FRAMES_PER_BUFFER,
- paClipOff, /* we won't output out of range samples so don't bother clipping them */
- NULL, /* no callback, use blocking API */
- NULL ); /* no callback, so no callback userData */
- if( err != paNoError ) goto error;
-
-
- printf( "Play 3 times, higher each time.\n" );
-
- for( k=0; k < 3; ++k )
- {
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto error;
-
- printf("Play for %d seconds.\n", NUM_SECONDS );
-
- bufferCount = ((NUM_SECONDS * SAMPLE_RATE) / FRAMES_PER_BUFFER);
-
- for( i=0; i < bufferCount; i++ )
- {
- for( j=0; j < FRAMES_PER_BUFFER; j++ )
- {
- buffer[j][0] = sine[left_phase]; /* left */
- buffer[j][1] = sine[right_phase]; /* right */
- left_phase += left_inc;
- if( left_phase >= TABLE_SIZE ) left_phase -= TABLE_SIZE;
- right_phase += right_inc;
- if( right_phase >= TABLE_SIZE ) right_phase -= TABLE_SIZE;
- }
-
- err = Pa_WriteStream( stream, buffer, FRAMES_PER_BUFFER );
- if( err != paNoError ) goto error;
- }
-
- err = Pa_StopStream( stream );
- if( err != paNoError ) goto error;
-
- ++left_inc;
- ++right_inc;
-
- Pa_Sleep( 1000 );
- }
-
- err = Pa_CloseStream( stream );
- if( err != paNoError ) goto error;
-
- Pa_Terminate();
- printf("Test finished.\n");
-
- return err;
-error:
- Pa_Terminate();
- fprintf( stderr, "An error occured while using the portaudio stream\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- return err;
-}
diff --git a/src/audio/portaudio/pa_unix/pa_unix_hostapis.c b/src/audio/portaudio/pa_unix/pa_unix_hostapis.c
deleted file mode 100644
index 570f596e70..0000000000
--- a/src/audio/portaudio/pa_unix/pa_unix_hostapis.c
+++ /dev/null
@@ -1,64 +0,0 @@
-/*
- * $Id$
- * Portable Audio I/O Library UNIX initialization table
- *
- * Based on the Open Source API proposed by Ross Bencina
- * Copyright (c) 1999-2002 Ross Bencina, Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-
-#include "pa_hostapi.h"
-
-PaError PaJack_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiIndex index );
-PaError PaAlsa_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiIndex index );
-PaError PaOSS_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiIndex index );
-/* Added for IRIX, Pieter, oct 2, 2003: */
-PaError PaSGI_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiIndex index );
-
-
-PaUtilHostApiInitializer *paHostApiInitializers[] =
- {
-#ifdef PA_USE_OSS
- PaOSS_Initialize,
-#endif
-
-#ifdef PA_USE_ALSA
- PaAlsa_Initialize,
-#endif
-
-#ifdef PA_USE_JACK
- PaJack_Initialize,
-#endif
- /* Added for IRIX, Pieter, oct 2, 2003: */
-#ifdef PA_USE_SGI
- PaSGI_Initialize,
-#endif
- 0 /* NULL terminated array */
- };
-
-int paDefaultHostApiIndex = 0;
-
-
diff --git a/src/audio/portaudio/pa_unix/pa_unix_util.c b/src/audio/portaudio/pa_unix/pa_unix_util.c
deleted file mode 100644
index f8cab4021c..0000000000
--- a/src/audio/portaudio/pa_unix/pa_unix_util.c
+++ /dev/null
@@ -1,175 +0,0 @@
-/*
- * $Id$
- * Portable Audio I/O Library
- * UNIX platform-specific support functions
- *
- * Based on the Open Source API proposed by Ross Bencina
- * Copyright (c) 1999-2000 Ross Bencina
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-
-#include <pthread.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <sys/time.h>
-#include <assert.h>
-#include <string.h> /* For memset */
-
-#include "pa_util.h"
-#include "pa_unix_util.h"
-
-/*
- Track memory allocations to avoid leaks.
- */
-
-#if PA_TRACK_MEMORY
-static int numAllocations_ = 0;
-#endif
-
-
-void *PaUtil_AllocateMemory( long size )
-{
- void *result = malloc( size );
-
-#if PA_TRACK_MEMORY
- if( result != NULL ) numAllocations_ += 1;
-#endif
- return result;
-}
-
-
-void PaUtil_FreeMemory( void *block )
-{
- if( block != NULL )
- {
- free( block );
-#if PA_TRACK_MEMORY
- numAllocations_ -= 1;
-#endif
-
- }
-}
-
-
-int PaUtil_CountCurrentlyAllocatedBlocks( void )
-{
-#if PA_TRACK_MEMORY
- return numAllocations_;
-#else
- return 0;
-#endif
-}
-
-
-void Pa_Sleep( long msec )
-{
- while( msec > 999 ) /* For OpenBSD and IRIX, argument */
- { /* to usleep must be < 1000000. */
- usleep( 999000 );
- msec -= 999;
- }
- usleep( msec * 1000 );
-}
-
-/* *** NOT USED YET: ***
-static int usePerformanceCounter_;
-static double microsecondsPerTick_;
-*/
-
-void PaUtil_InitializeClock( void )
-{
- /* TODO */
-}
-
-
-PaTime PaUtil_GetTime( void )
-{
- struct timeval tv;
- gettimeofday( &tv, NULL );
- return (PaTime) tv.tv_usec / 1000000. + tv.tv_sec;
-}
-
-PaError PaUtil_InitializeThreading( PaUtilThreading *threading )
-{
- (void) paUtilErr_;
- return paNoError;
-}
-
-void PaUtil_TerminateThreading( PaUtilThreading *threading )
-{
-}
-
-PaError PaUtil_StartThreading( PaUtilThreading *threading, void *(*threadRoutine)(void *), void *data )
-{
- pthread_create( &threading->callbackThread, NULL, threadRoutine, data );
- return paNoError;
-}
-
-PaError PaUtil_CancelThreading( PaUtilThreading *threading, int wait, PaError *exitResult )
-{
- PaError result = paNoError;
- void *pret;
-
- if( exitResult )
- *exitResult = paNoError;
-
- /* Only kill the thread if it isn't in the process of stopping (flushing adaptation buffers) */
- if( !wait )
- pthread_cancel( threading->callbackThread ); /* XXX: Safe to call this if the thread has exited on its own? */
- pthread_join( threading->callbackThread, &pret );
-
-#ifdef PTHREAD_CANCELED
- if( pret && PTHREAD_CANCELED != pret )
-#else
- /* !wait means the thread may have been canceled */
- if( pret && wait )
-#endif
- {
- if( exitResult )
- *exitResult = *(PaError *) pret;
- free( pret );
- }
-
- return result;
-}
-
-/*
-static void *CanaryFunc( void *userData )
-{
- const unsigned intervalMsec = 1000;
- PaUtilThreading *th = (PaUtilThreading *) userData;
-
- while( 1 )
- {
- th->canaryTime = PaUtil_GetTime();
-
- pthread_testcancel();
- Pa_Sleep( intervalMsec );
- }
-
- pthread_exit( NULL );
-}
-*/
diff --git a/src/audio/portaudio/pa_unix/pa_unix_util.h b/src/audio/portaudio/pa_unix/pa_unix_util.h
deleted file mode 100644
index 01dda01e5f..0000000000
--- a/src/audio/portaudio/pa_unix/pa_unix_util.h
+++ /dev/null
@@ -1,73 +0,0 @@
-#ifndef PA_UNIX_UTIL_H
-#define PA_UNIX_UTIL_H
-
-#include "pa_cpuload.h"
-
-#ifdef __cplusplus
-extern "C"
-{
-#endif /* __cplusplus */
-
-#define PA_MIN(x,y) ( (x) < (y) ? (x) : (y) )
-#define PA_MAX(x,y) ( (x) > (y) ? (x) : (y) )
-
-/* Utilize GCC branch prediction for error tests */
-#if defined __GNUC__ && __GNUC__ >= 3
-#define UNLIKELY(expr) __builtin_expect( (expr), 0 )
-#else
-#define UNLIKELY(expr) (expr)
-#endif
-
-#define STRINGIZE_HELPER(expr) #expr
-#define STRINGIZE(expr) STRINGIZE_HELPER(expr)
-
-#define PA_UNLESS(expr, code) \
- do { \
- if( UNLIKELY( (expr) == 0 ) ) \
- { \
- PaUtil_DebugPrint(( "Expression '" #expr "' failed in '" __FILE__ "', line: " STRINGIZE( __LINE__ ) "\n" )); \
- result = (code); \
- goto error; \
- } \
- } while (0);
-
-static PaError paUtilErr_; /* Used with PA_ENSURE */
-
-/* Check PaError */
-#define PA_ENSURE(expr) \
- do { \
- if( UNLIKELY( (paUtilErr_ = (expr)) < paNoError ) ) \
- { \
- PaUtil_DebugPrint(( "Expression '" #expr "' failed in '" __FILE__ "', line: " STRINGIZE( __LINE__ ) "\n" )); \
- result = paUtilErr_; \
- goto error; \
- } \
- } while (0);
-
-typedef struct {
- pthread_t callbackThread;
-} PaUtilThreading;
-
-PaError PaUtil_InitializeThreading( PaUtilThreading *threading );
-void PaUtil_TerminateThreading( PaUtilThreading *threading );
-PaError PaUtil_StartThreading( PaUtilThreading *threading, void *(*threadRoutine)(void *), void *data );
-PaError PaUtil_CancelThreading( PaUtilThreading *threading, int wait, PaError *exitResult );
-
-/* State accessed by utility functions */
-
-/*
-void PaUnix_SetRealtimeScheduling( int rt );
-
-void PaUtil_InitializeThreading( PaUtilThreading *th, PaUtilCpuLoadMeasurer *clm );
-
-PaError PaUtil_CreateCallbackThread( PaUtilThreading *th, void *(*CallbackThreadFunc)( void * ), PaStream *s );
-
-PaError PaUtil_KillCallbackThread( PaUtilThreading *th, PaError *exitResult );
-
-void PaUtil_CallbackUpdate( PaUtilThreading *th );
-*/
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
-#endif
diff --git a/src/audio/portaudio/pa_unix_oss/low_latency_tip.txt b/src/audio/portaudio/pa_unix_oss/low_latency_tip.txt
deleted file mode 100644
index 2d982b79baa6d943c1fae0c7122d190ebf46c6f4..0000000000000000000000000000000000000000
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diff --git a/src/audio/portaudio/pa_unix_oss/pa_unix_oss.c b/src/audio/portaudio/pa_unix_oss/pa_unix_oss.c
deleted file mode 100644
index ef87c83b03..0000000000
--- a/src/audio/portaudio/pa_unix_oss/pa_unix_oss.c
+++ /dev/null
@@ -1,1918 +0,0 @@
-/*
- * $Id$
- * PortAudio Portable Real-Time Audio Library
- * Latest Version at: http://www.portaudio.com
- * OSS implementation by:
- * Douglas Repetto
- * Phil Burk
- * Dominic Mazzoni
- * Arve Knudsen
- *
- * Based on the Open Source API proposed by Ross Bencina
- * Copyright (c) 1999-2002 Ross Bencina, Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-#include <stdio.h>
-#include <string.h>
-#include <math.h>
-#include <fcntl.h>
-#include <sys/ioctl.h>
-#include <unistd.h>
-#include <pthread.h>
-#include <alloca.h>
-#include <malloc.h>
-#include <assert.h>
-#include <errno.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/poll.h>
-#include <limits.h>
-#include <semaphore.h>
-
-#ifdef __linux__
-# include <linux/soundcard.h>
-# define DEVICE_NAME_BASE "/dev/dsp"
-#else
-# include <machine/soundcard.h> /* JH20010905 */
-# define DEVICE_NAME_BASE "/dev/audio"
-#endif
-
-#include "portaudio.h"
-#include "pa_util.h"
-#include "pa_allocation.h"
-#include "pa_hostapi.h"
-#include "pa_stream.h"
-#include "pa_cpuload.h"
-#include "pa_process.h"
-#include "../pa_unix/pa_unix_util.h"
-
-static int sysErr_;
-static pthread_t mainThread_;
-
-/* Check return value of system call, and map it to PaError */
-#define ENSURE_(expr, code) \
- do { \
- if( UNLIKELY( (sysErr_ = (expr)) < 0 ) ) \
- { \
- /* PaUtil_SetLastHostErrorInfo should only be used in the main thread */ \
- if( (code) == paUnanticipatedHostError && pthread_self() == mainThread_ ) \
- { \
- PaUtil_SetLastHostErrorInfo( paALSA, sysErr_, strerror( errno ) ); \
- } \
- \
- PaUtil_DebugPrint(( "Expression '" #expr "' failed in '" __FILE__ "', line: " STRINGIZE( __LINE__ ) "\n" )); \
- result = (code); \
- goto error; \
- } \
- } while( 0 );
-
-#ifndef AFMT_S16_NE
-#define AFMT_S16_NE Get_AFMT_S16_NE()
-/*********************************************************************
- * Some versions of OSS do not define AFMT_S16_NE. So check CPU.
- * PowerPC is Big Endian. X86 is Little Endian.
- */
-static int Get_AFMT_S16_NE( void )
-{
- long testData = 1;
- char *ptr = (char *) &testData;
- int isLittle = ( *ptr == 1 ); /* Does address point to least significant byte? */
- return isLittle ? AFMT_S16_LE : AFMT_S16_BE;
-}
-#endif
-
-/* PaOSSHostApiRepresentation - host api datastructure specific to this implementation */
-
-typedef struct
-{
- PaUtilHostApiRepresentation inheritedHostApiRep;
- PaUtilStreamInterface callbackStreamInterface;
- PaUtilStreamInterface blockingStreamInterface;
-
- PaUtilAllocationGroup *allocations;
-
- PaHostApiIndex hostApiIndex;
-}
-PaOSSHostApiRepresentation;
-
-/** Per-direction structure for PaOssStream.
- *
- * Aspect StreamChannels: In case the user requests to open the same device for both capture and playback,
- * but with different number of channels we will have to adapt between the number of user and host
- * channels for at least one direction, since the configuration space is the same for both directions
- * of an OSS device.
- */
-typedef struct
-{
- int fd;
- const char *devName;
- int userChannelCount, hostChannelCount;
- int userInterleaved;
- void *buffer;
- PaSampleFormat userFormat, hostFormat;
- double latency;
- unsigned long hostFrames, numBufs;
- void **userBuffers; /* For non-interleaved blocking */
-} PaOssStreamComponent;
-
-/** Implementation specific representation of a PaStream.
- *
- */
-typedef struct PaOssStream
-{
- PaUtilStreamRepresentation streamRepresentation;
- PaUtilCpuLoadMeasurer cpuLoadMeasurer;
- PaUtilBufferProcessor bufferProcessor;
-
- PaUtilThreading threading;
-
- int sharedDevice;
- unsigned long framesPerHostBuffer;
- int triggered; /* Have the devices been triggered yet (first start) */
-
- int isActive;
- int isStopped;
-
- int lastPosPtr;
- double lastStreamBytes;
-
- int framesProcessed;
-
- double sampleRate;
-
- int callbackMode;
- int callbackStop, callbackAbort;
-
- PaOssStreamComponent *capture, *playback;
- unsigned long pollTimeout;
- sem_t semaphore;
-}
-PaOssStream;
-
-typedef enum {
- StreamMode_In,
- StreamMode_Out
-} StreamMode;
-
-/* prototypes for functions declared in this file */
-
-static void Terminate( struct PaUtilHostApiRepresentation *hostApi );
-static PaError IsFormatSupported( struct PaUtilHostApiRepresentation *hostApi,
- const PaStreamParameters *inputParameters,
- const PaStreamParameters *outputParameters,
- double sampleRate );
-static PaError OpenStream( struct PaUtilHostApiRepresentation *hostApi,
- PaStream** s,
- const PaStreamParameters *inputParameters,
- const PaStreamParameters *outputParameters,
- double sampleRate,
- unsigned long framesPerBuffer,
- PaStreamFlags streamFlags,
- PaStreamCallback *streamCallback,
- void *userData );
-static PaError CloseStream( PaStream* stream );
-static PaError StartStream( PaStream *stream );
-static PaError StopStream( PaStream *stream );
-static PaError AbortStream( PaStream *stream );
-static PaError IsStreamStopped( PaStream *s );
-static PaError IsStreamActive( PaStream *stream );
-static PaTime GetStreamTime( PaStream *stream );
-static double GetStreamCpuLoad( PaStream* stream );
-static PaError ReadStream( PaStream* stream, void *buffer, unsigned long frames );
-static PaError WriteStream( PaStream* stream, const void *buffer, unsigned long frames );
-static signed long GetStreamReadAvailable( PaStream* stream );
-static signed long GetStreamWriteAvailable( PaStream* stream );
-static PaError BuildDeviceList( PaOSSHostApiRepresentation *hostApi );
-
-
-/** Initialize the OSS API implementation.
- *
- * This function will initialize host API datastructures and query host devices for information.
- *
- * Aspect DeviceCapabilities: Enumeration of host API devices is initiated from here
- *
- * Aspect FreeResources: If an error is encountered under way we have to free each resource allocated in this function,
- * this happens with the usual "error" label.
- */
-PaError PaOSS_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiIndex hostApiIndex )
-{
- PaError result = paNoError;
- PaOSSHostApiRepresentation *ossHostApi = NULL;
-
- PA_UNLESS( ossHostApi = (PaOSSHostApiRepresentation*)PaUtil_AllocateMemory( sizeof(PaOSSHostApiRepresentation) ),
- paInsufficientMemory );
- PA_UNLESS( ossHostApi->allocations = PaUtil_CreateAllocationGroup(), paInsufficientMemory );
- ossHostApi->hostApiIndex = hostApiIndex;
-
- /* Initialize host API structure */
- *hostApi = &ossHostApi->inheritedHostApiRep;
- (*hostApi)->info.structVersion = 1;
- (*hostApi)->info.type = paOSS;
- (*hostApi)->info.name = "OSS";
- (*hostApi)->Terminate = Terminate;
- (*hostApi)->OpenStream = OpenStream;
- (*hostApi)->IsFormatSupported = IsFormatSupported;
-
- PA_ENSURE( BuildDeviceList( ossHostApi ) );
-
- PaUtil_InitializeStreamInterface( &ossHostApi->callbackStreamInterface, CloseStream, StartStream,
- StopStream, AbortStream, IsStreamStopped, IsStreamActive,
- GetStreamTime, GetStreamCpuLoad,
- PaUtil_DummyRead, PaUtil_DummyWrite,
- PaUtil_DummyGetReadAvailable,
- PaUtil_DummyGetWriteAvailable );
-
- PaUtil_InitializeStreamInterface( &ossHostApi->blockingStreamInterface, CloseStream, StartStream,
- StopStream, AbortStream, IsStreamStopped, IsStreamActive,
- GetStreamTime, PaUtil_DummyGetCpuLoad,
- ReadStream, WriteStream, GetStreamReadAvailable, GetStreamWriteAvailable );
-
- mainThread_ = pthread_self();
-
- return result;
-
-error:
- if( ossHostApi )
- {
- if( ossHostApi->allocations )
- {
- PaUtil_FreeAllAllocations( ossHostApi->allocations );
- PaUtil_DestroyAllocationGroup( ossHostApi->allocations );
- }
-
- PaUtil_FreeMemory( ossHostApi );
- }
- return result;
-}
-
-PaError PaUtil_InitializeDeviceInfo( PaDeviceInfo *deviceInfo, const char *name, PaHostApiIndex hostApiIndex, int maxInputChannels,
- int maxOutputChannels, PaTime defaultLowInputLatency, PaTime defaultLowOutputLatency, PaTime defaultHighInputLatency,
- PaTime defaultHighOutputLatency, double defaultSampleRate, PaUtilAllocationGroup *allocations )
-{
- PaError result = paNoError;
-
- deviceInfo->structVersion = 2;
- if( allocations )
- {
- size_t len = strlen( name ) + 1;
- PA_UNLESS( deviceInfo->name = PaUtil_GroupAllocateMemory( allocations, len ), paInsufficientMemory );
- strncpy( (char *)deviceInfo->name, name, len );
- }
- else
- deviceInfo->name = name;
-
- deviceInfo->hostApi = hostApiIndex;
- deviceInfo->maxInputChannels = maxInputChannels;
- deviceInfo->maxOutputChannels = maxOutputChannels;
- deviceInfo->defaultLowInputLatency = defaultLowInputLatency;
- deviceInfo->defaultLowOutputLatency = defaultLowOutputLatency;
- deviceInfo->defaultHighInputLatency = defaultHighInputLatency;
- deviceInfo->defaultHighOutputLatency = defaultHighOutputLatency;
- deviceInfo->defaultSampleRate = defaultSampleRate;
-
-error:
- return result;
-}
-
-static PaError QueryDirection( const char *deviceName, StreamMode mode, double *defaultSampleRate, int *maxChannelCount,
- double *defaultLowLatency, double *defaultHighLatency )
-{
- PaError result = paNoError;
- int numChannels, maxNumChannels;
- int busy = 0;
- int devHandle = -1;
- int sr;
- *maxChannelCount = 0; /* Default value in case this fails */
-
- if ( (devHandle = open( deviceName, (mode == StreamMode_In ? O_RDONLY : O_WRONLY) | O_NONBLOCK )) < 0 )
- {
- if( errno == EBUSY || errno == EAGAIN )
- {
- PA_DEBUG(( "%s: Device %s busy\n", __FUNCTION__, deviceName ));
- }
- else
- {
- PA_DEBUG(( "%s: Can't access device: %s\n", __FUNCTION__, strerror( errno ) ));
- }
-
- return paDeviceUnavailable;
- }
-
- /* Negotiate for the maximum number of channels for this device. PLB20010927
- * Consider up to 16 as the upper number of channels.
- * Variable maxNumChannels should contain the actual upper limit after the call.
- * Thanks to John Lazzaro and Heiko Purnhagen for suggestions.
- */
- maxNumChannels = 0;
- for( numChannels = 1; numChannels <= 16; numChannels++ )
- {
- int temp = numChannels;
- if( ioctl( devHandle, SNDCTL_DSP_CHANNELS, &temp ) < 0 )
- {
- busy = EAGAIN == errno || EBUSY == errno;
- /* ioctl() failed so bail out if we already have stereo */
- if( maxNumChannels >= 2 )
- break;
- }
- else
- {
- /* ioctl() worked but bail out if it does not support numChannels.
- * We don't want to leave gaps in the numChannels supported.
- */
- if( (numChannels > 2) && (temp != numChannels) )
- break;
- if( temp > maxNumChannels )
- maxNumChannels = temp; /* Save maximum. */
- }
- }
- /* A: We're able to open a device for capture if it's busy playing back and vice versa,
- * but we can't configure anything */
- if( 0 == maxNumChannels && busy )
- {
- result = paDeviceUnavailable;
- goto error;
- }
-
- /* The above negotiation may fail for an old driver so try this older technique. */
- if( maxNumChannels < 1 )
- {
- int stereo = 1;
- if( ioctl( devHandle, SNDCTL_DSP_STEREO, &stereo ) < 0 )
- {
- maxNumChannels = 1;
- }
- else
- {
- maxNumChannels = (stereo) ? 2 : 1;
- }
- PA_DEBUG(( "%s: use SNDCTL_DSP_STEREO, maxNumChannels = %d\n", __FUNCTION__, maxNumChannels ))
- }
-
- /* During channel negotiation, the last ioctl() may have failed. This can
- * also cause sample rate negotiation to fail. Hence the following, to return
- * to a supported number of channels. SG20011005 */
- {
- /* use most reasonable default value */
- int temp = PA_MIN( maxNumChannels, 2 );
- ENSURE_( ioctl( devHandle, SNDCTL_DSP_CHANNELS, &temp ), paUnanticipatedHostError );
- }
-
- /* Get supported sample rate closest to 44100 Hz */
- if( *defaultSampleRate < 0 )
- {
- sr = 44100;
- if( ioctl( devHandle, SNDCTL_DSP_SPEED, &sr ) < 0 )
- {
- result = paUnanticipatedHostError;
- goto error;
- }
-
- *defaultSampleRate = sr;
- }
-
- *maxChannelCount = maxNumChannels;
- /* TODO */
- *defaultLowLatency = 512. / *defaultSampleRate;
- *defaultHighLatency = 2048. / *defaultSampleRate;
-
-error:
- if( devHandle >= 0 )
- close( devHandle );
-
- return result;
-}
-
-/** Query OSS device.
- *
- * This is where PaDeviceInfo objects are constructed and filled in with relevant information.
- *
- * Aspect DeviceCapabilities: The inferred device capabilities are recorded in a PaDeviceInfo object that is constructed
- * in place.
- */
-static PaError QueryDevice( char *deviceName, PaOSSHostApiRepresentation *ossApi, PaDeviceInfo **deviceInfo )
-{
- PaError result = paNoError;
- double sampleRate = -1.;
- int maxInputChannels, maxOutputChannels;
- PaTime defaultLowInputLatency, defaultLowOutputLatency, defaultHighInputLatency, defaultHighOutputLatency;
- PaError tmpRes = paNoError;
- int busy = 0;
- *deviceInfo = NULL;
-
- /* douglas:
- we have to do this querying in a slightly different order. apparently
- some sound cards will give you different info based on their settins.
- e.g. a card might give you stereo at 22kHz but only mono at 44kHz.
- the correct order for OSS is: format, channels, sample rate
- */
-
- /* Aspect StreamChannels: The number of channels supported for a device may depend on the mode it is
- * opened in, it may have more channels available for capture than playback and vice versa. Therefore
- * we will open the device in both read- and write-only mode to determine the supported number.
- */
- if( (tmpRes = QueryDirection( deviceName, StreamMode_In, &sampleRate, &maxInputChannels, &defaultLowInputLatency,
- &defaultHighInputLatency )) != paNoError )
- {
- if( tmpRes != paDeviceUnavailable )
- {
- PA_DEBUG(( "%s: Querying device %s for capture failed!\n", __FUNCTION__, deviceName ));
- /* PA_ENSURE( tmpRes ); */
- }
- ++busy;
- }
- if( (tmpRes = QueryDirection( deviceName, StreamMode_Out, &sampleRate, &maxOutputChannels, &defaultLowOutputLatency,
- &defaultHighOutputLatency )) != paNoError )
- {
- if( tmpRes != paDeviceUnavailable )
- {
- PA_DEBUG(( "%s: Querying device %s for playback failed!\n", __FUNCTION__, deviceName ));
- /* PA_ENSURE( tmpRes ); */
- }
- ++busy;
- }
- assert( 0 <= busy && busy <= 2 );
- if( 2 == busy ) /* Both directions are unavailable to us */
- {
- result = paDeviceUnavailable;
- goto error;
- }
-
- PA_UNLESS( *deviceInfo = PaUtil_GroupAllocateMemory( ossApi->allocations, sizeof (PaDeviceInfo) ), paInsufficientMemory );
- PA_ENSURE( PaUtil_InitializeDeviceInfo( *deviceInfo, deviceName, ossApi->hostApiIndex, maxInputChannels, maxOutputChannels,
- defaultLowInputLatency, defaultLowOutputLatency, defaultHighInputLatency, defaultHighOutputLatency, sampleRate,
- ossApi->allocations ) );
-
-error:
- return result;
-}
-
-/** Query host devices.
- *
- * Loop over host devices and query their capabilitiesu
- *
- * Aspect DeviceCapabilities: This function calls QueryDevice on each device entry and receives a filled in PaDeviceInfo object
- * per device, these are placed in the host api representation's deviceInfos array.
- */
-static PaError BuildDeviceList( PaOSSHostApiRepresentation *ossApi )
-{
- PaError result = paNoError;
- PaUtilHostApiRepresentation *commonApi = &ossApi->inheritedHostApiRep;
- int i;
- int numDevices = 0, maxDeviceInfos = 1;
- PaDeviceInfo **deviceInfos = NULL;
-
- /* These two will be set to the first working input and output device, respectively */
- commonApi->info.defaultInputDevice = paNoDevice;
- commonApi->info.defaultOutputDevice = paNoDevice;
-
- /* Find devices by calling QueryDevice on each
- * potential device names. When we find a valid one,
- * add it to a linked list.
- * A: Can there only be 10 devices? */
-
- for( i = 0; i < 10; i++ )
- {
- char deviceName[32];
- PaDeviceInfo *deviceInfo;
- int testResult;
- struct stat stbuf;
-
- if( i == 0 )
- snprintf(deviceName, sizeof (deviceName), "%s", DEVICE_NAME_BASE);
- else
- snprintf(deviceName, sizeof (deviceName), "%s%d", DEVICE_NAME_BASE, i);
-
- /* PA_DEBUG(("PaOSS BuildDeviceList: trying device %s\n", deviceName )); */
- if( stat( deviceName, &stbuf ) < 0 )
- {
- if( ENOENT != errno )
- PA_DEBUG(( "%s: Error stat'ing %s: %s\n", __FUNCTION__, deviceName, strerror( errno ) ));
- continue;
- }
- if( (testResult = QueryDevice( deviceName, ossApi, &deviceInfo )) != paNoError )
- {
- if( testResult != paDeviceUnavailable )
- PA_ENSURE( testResult );
-
- continue;
- }
-
- ++numDevices;
- if( !deviceInfos || numDevices > maxDeviceInfos )
- {
- maxDeviceInfos *= 2;
- PA_UNLESS( deviceInfos = (PaDeviceInfo **) realloc( deviceInfos, maxDeviceInfos * sizeof (PaDeviceInfo *) ),
- paInsufficientMemory );
- }
- deviceInfos[numDevices - 1] = deviceInfo;
-
- if( commonApi->info.defaultInputDevice == paNoDevice && deviceInfo->maxInputChannels > 0 )
- commonApi->info.defaultInputDevice = i;
- if( commonApi->info.defaultOutputDevice == paNoDevice && deviceInfo->maxOutputChannels > 0 )
- commonApi->info.defaultOutputDevice = i;
- }
-
- /* Make an array of PaDeviceInfo pointers out of the linked list */
-
- PA_DEBUG(("PaOSS %s: Total number of devices found: %d\n", __FUNCTION__, numDevices));
-
- commonApi->deviceInfos = (PaDeviceInfo**)PaUtil_GroupAllocateMemory(
- ossApi->allocations, sizeof(PaDeviceInfo*) * numDevices );
- memcpy( commonApi->deviceInfos, deviceInfos, numDevices * sizeof (PaDeviceInfo *) );
-
- commonApi->info.deviceCount = numDevices;
-
-error:
- free( deviceInfos );
-
- return result;
-}
-
-static void Terminate( struct PaUtilHostApiRepresentation *hostApi )
-{
- PaOSSHostApiRepresentation *ossHostApi = (PaOSSHostApiRepresentation*)hostApi;
-
- if( ossHostApi->allocations )
- {
- PaUtil_FreeAllAllocations( ossHostApi->allocations );
- PaUtil_DestroyAllocationGroup( ossHostApi->allocations );
- }
-
- PaUtil_FreeMemory( ossHostApi );
-}
-
-static PaError IsFormatSupported( struct PaUtilHostApiRepresentation *hostApi,
- const PaStreamParameters *inputParameters,
- const PaStreamParameters *outputParameters,
- double sampleRate )
-{
- PaError result = paNoError;
- PaDeviceIndex device;
- PaDeviceInfo *deviceInfo;
- char *deviceName;
- int inputChannelCount, outputChannelCount;
- int tempDevHandle = -1;
- int flags;
- PaSampleFormat inputSampleFormat, outputSampleFormat;
-
- if( inputParameters )
- {
- inputChannelCount = inputParameters->channelCount;
- inputSampleFormat = inputParameters->sampleFormat;
-
- /* unless alternate device specification is supported, reject the use of
- paUseHostApiSpecificDeviceSpecification */
-
- if( inputParameters->device == paUseHostApiSpecificDeviceSpecification )
- return paInvalidDevice;
-
- /* check that input device can support inputChannelCount */
- if( inputChannelCount > hostApi->deviceInfos[ inputParameters->device ]->maxInputChannels )
- return paInvalidChannelCount;
-
- /* validate inputStreamInfo */
- if( inputParameters->hostApiSpecificStreamInfo )
- return paIncompatibleHostApiSpecificStreamInfo; /* this implementation doesn't use custom stream info */
- }
- else
- {
- inputChannelCount = 0;
- }
-
- if( outputParameters )
- {
- outputChannelCount = outputParameters->channelCount;
- outputSampleFormat = outputParameters->sampleFormat;
-
- /* unless alternate device specification is supported, reject the use of
- paUseHostApiSpecificDeviceSpecification */
-
- if( outputParameters->device == paUseHostApiSpecificDeviceSpecification )
- return paInvalidDevice;
-
- /* check that output device can support inputChannelCount */
- if( outputChannelCount > hostApi->deviceInfos[ outputParameters->device ]->maxOutputChannels )
- return paInvalidChannelCount;
-
- /* validate outputStreamInfo */
- if( outputParameters->hostApiSpecificStreamInfo )
- return paIncompatibleHostApiSpecificStreamInfo; /* this implementation doesn't use custom stream info */
- }
- else
- {
- outputChannelCount = 0;
- }
-
- if (inputChannelCount == 0 && outputChannelCount == 0)
- return paInvalidChannelCount;
-
- /* if full duplex, make sure that they're the same device */
-
- if (inputChannelCount > 0 && outputChannelCount > 0 &&
- inputParameters->device != outputParameters->device)
- return paInvalidDevice;
-
- /* if full duplex, also make sure that they're the same number of channels */
-
- if (inputChannelCount > 0 && outputChannelCount > 0 &&
- inputChannelCount != outputChannelCount)
- return paInvalidChannelCount;
-
- /* open the device so we can do more tests */
-
- if( inputChannelCount > 0 )
- {
- result = PaUtil_DeviceIndexToHostApiDeviceIndex(&device, inputParameters->device, hostApi);
- if (result != paNoError)
- return result;
- }
- else
- {
- result = PaUtil_DeviceIndexToHostApiDeviceIndex(&device, outputParameters->device, hostApi);
- if (result != paNoError)
- return result;
- }
-
- deviceInfo = hostApi->deviceInfos[device];
- deviceName = (char *)deviceInfo->name;
-
- flags = O_NONBLOCK;
- if (inputChannelCount > 0 && outputChannelCount > 0)
- flags |= O_RDWR;
- else if (inputChannelCount > 0)
- flags |= O_RDONLY;
- else
- flags |= O_WRONLY;
-
- ENSURE_( tempDevHandle = open( deviceInfo->name, flags ), paDeviceUnavailable );
-
- /* PaOssStream_Configure will do the rest of the checking for us */
- /* PA_ENSURE( PaOssStream_Configure( tempDevHandle, deviceName, outputChannelCount, &sampleRate ) ); */
-
- /* everything succeeded! */
-
- error:
- if( tempDevHandle >= 0 )
- close( tempDevHandle );
-
- return result;
-}
-
-/** Validate stream parameters.
- *
- * Aspect StreamChannels: We verify that the number of channels is within the allowed range for the device
- */
-static PaError ValidateParameters( const PaStreamParameters *parameters, const PaDeviceInfo *deviceInfo, StreamMode mode )
-{
- int maxChans;
-
- assert( parameters );
-
- if( parameters->device == paUseHostApiSpecificDeviceSpecification )
- {
- return paInvalidDevice;
- }
-
- maxChans = (mode == StreamMode_In ? deviceInfo->maxInputChannels :
- deviceInfo->maxOutputChannels);
- if( parameters->channelCount > maxChans )
- {
- return paInvalidChannelCount;
- }
-
- return paNoError;
-}
-
-static PaError PaOssStreamComponent_Initialize( PaOssStreamComponent *component, const PaStreamParameters *parameters,
- int callbackMode, int fd, const char *deviceName )
-{
- PaError result = paNoError;
- assert( component );
-
- memset( component, 0, sizeof (PaOssStreamComponent) );
-
- component->fd = fd;
- component->devName = deviceName;
- component->userChannelCount = parameters->channelCount;
- component->userFormat = parameters->sampleFormat;
- component->latency = parameters->suggestedLatency;
- component->userInterleaved = !(parameters->sampleFormat & paNonInterleaved);
-
- if( !callbackMode && !component->userInterleaved )
- {
- /* Pre-allocate non-interleaved user provided buffers */
- PA_UNLESS( component->userBuffers = PaUtil_AllocateMemory( sizeof (void *) * component->userChannelCount ),
- paInsufficientMemory );
- }
-
-error:
- return result;
-}
-
-static void PaOssStreamComponent_Terminate( PaOssStreamComponent *component )
-{
- assert( component );
-
- if( component->fd >= 0 )
- close( component->fd );
- if( component->buffer )
- PaUtil_FreeMemory( component->buffer );
-
- if( component->userBuffers )
- PaUtil_FreeMemory( component->userBuffers );
-
- PaUtil_FreeMemory( component );
-}
-
-static PaError ModifyBlocking( int fd, int blocking )
-{
- PaError result = paNoError;
- int fflags;
-
- ENSURE_( fflags = fcntl( fd, F_GETFL ), paUnanticipatedHostError );
-
- if( blocking )
- fflags &= ~O_NONBLOCK;
- else
- fflags |= O_NONBLOCK;
-
- ENSURE_( fcntl( fd, F_SETFL, fflags ), paUnanticipatedHostError );
-
-error:
- return result;
-}
-
-static PaError OpenDevices( const char *idevName, const char *odevName, int *idev, int *odev )
-{
- PaError result = paNoError;
- int flags = O_NONBLOCK, duplex = 0;
- int enableBits = 0;
- *idev = *odev = -1;
-
- if( idevName && odevName )
- {
- duplex = 1;
- flags |= O_RDWR;
- }
- else if( idevName )
- flags |= O_RDONLY;
- else
- flags |= O_WRONLY;
-
- /* open first in nonblocking mode, in case it's busy...
- * A: then unset the non-blocking attribute */
- assert( flags & O_NONBLOCK );
- if( idevName )
- {
- ENSURE_( *idev = open( idevName, flags ), paDeviceUnavailable );
- PA_ENSURE( ModifyBlocking( *idev, 1 ) ); /* Blocking */
-
- /* Initially disable */
- enableBits = ~PCM_ENABLE_INPUT;
- ENSURE_( ioctl( *idev, SNDCTL_DSP_SETTRIGGER, &enableBits ), paUnanticipatedHostError );
- }
- if( odevName )
- {
- if( !idevName )
- {
- ENSURE_( *odev = open( odevName, flags ), paDeviceUnavailable );
- PA_ENSURE( ModifyBlocking( *odev, 1 ) ); /* Blocking */
-
- /* Initially disable */
- enableBits = ~PCM_ENABLE_OUTPUT;
- ENSURE_( ioctl( *odev, SNDCTL_DSP_SETTRIGGER, &enableBits ), paUnanticipatedHostError );
- }
- else
- {
- ENSURE_( *odev = dup( *idev ), paUnanticipatedHostError );
- }
- }
-
-error:
- return result;
-}
-
-static PaError PaOssStream_Initialize( PaOssStream *stream, const PaStreamParameters *inputParameters, const PaStreamParameters *outputParameters,
- PaStreamCallback callback, void *userData, PaStreamFlags streamFlags,
- PaOSSHostApiRepresentation *ossApi )
-{
- PaError result = paNoError;
- int idev, odev;
- PaUtilHostApiRepresentation *hostApi = &ossApi->inheritedHostApiRep;
- const char *idevName = NULL, *odevName = NULL;
-
- assert( stream );
-
- memset( stream, 0, sizeof (PaOssStream) );
- stream->isStopped = 1;
-
- PA_ENSURE( PaUtil_InitializeThreading( &stream->threading ) );
-
- if( inputParameters && outputParameters )
- {
- if( inputParameters->device == outputParameters->device )
- stream->sharedDevice = 1;
- }
-
- if( inputParameters )
- idevName = hostApi->deviceInfos[inputParameters->device]->name;
- if( outputParameters )
- odevName = hostApi->deviceInfos[outputParameters->device]->name;
- PA_ENSURE( OpenDevices( idevName, odevName, &idev, &odev ) );
- if( inputParameters )
- {
- PA_UNLESS( stream->capture = PaUtil_AllocateMemory( sizeof (PaOssStreamComponent) ), paInsufficientMemory );
- PA_ENSURE( PaOssStreamComponent_Initialize( stream->capture, inputParameters, callback != NULL, idev, idevName ) );
- }
- if( outputParameters )
- {
- PA_UNLESS( stream->playback = PaUtil_AllocateMemory( sizeof (PaOssStreamComponent) ), paInsufficientMemory );
- PA_ENSURE( PaOssStreamComponent_Initialize( stream->playback, outputParameters, callback != NULL, odev, odevName ) );
- }
-
- if( callback != NULL )
- {
- PaUtil_InitializeStreamRepresentation( &stream->streamRepresentation,
- &ossApi->callbackStreamInterface, callback, userData );
- stream->callbackMode = 1;
- }
- else
- {
- PaUtil_InitializeStreamRepresentation( &stream->streamRepresentation,
- &ossApi->blockingStreamInterface, callback, userData );
- }
-
- ENSURE_( sem_init( &stream->semaphore, 0, 0 ), paInternalError );
-
-error:
- return result;
-}
-
-static void PaOssStream_Terminate( PaOssStream *stream )
-{
- assert( stream );
-
- PaUtil_TerminateStreamRepresentation( &stream->streamRepresentation );
- PaUtil_TerminateThreading( &stream->threading );
-
- if( stream->capture )
- PaOssStreamComponent_Terminate( stream->capture );
- if( stream->playback )
- PaOssStreamComponent_Terminate( stream->playback );
-
- sem_destroy( &stream->semaphore );
-
- PaUtil_FreeMemory( stream );
-}
-
-/** Translate from PA format to OSS native.
- *
- */
-static PaError Pa2OssFormat( PaSampleFormat paFormat, int *ossFormat )
-{
- switch( paFormat )
- {
- case paUInt8:
- *ossFormat = AFMT_U8;
- break;
- case paInt8:
- *ossFormat = AFMT_S8;
- break;
- case paInt16:
- *ossFormat = AFMT_S16_NE;
- break;
- default:
- return paInternalError; /* This shouldn't happen */
- }
-
- return paNoError;
-}
-
-/** Return the PA-compatible formats that this device can support.
- *
- */
-static PaError GetAvailableFormats( PaOssStreamComponent *component, PaSampleFormat *availableFormats )
-{
- PaError result = paNoError;
- int mask = 0;
- PaSampleFormat frmts = 0;
-
- ENSURE_( ioctl( component->fd, SNDCTL_DSP_GETFMTS, &mask ), paUnanticipatedHostError );
- if( mask & AFMT_U8 )
- frmts |= paUInt8;
- if( mask & AFMT_S8 )
- frmts |= paInt8;
- if( mask & AFMT_S16_NE )
- frmts |= paInt16;
- else
- result = paSampleFormatNotSupported;
-
- *availableFormats = frmts;
-
-error:
- return result;
-}
-
-static unsigned int PaOssStreamComponent_FrameSize( PaOssStreamComponent *component )
-{
- return Pa_GetSampleSize( component->hostFormat ) * component->hostChannelCount;
-}
-
-/** Buffer size in bytes.
- *
- */
-static unsigned long PaOssStreamComponent_BufferSize( PaOssStreamComponent *component )
-{
- return PaOssStreamComponent_FrameSize( component ) * component->hostFrames * component->numBufs;
-}
-
-static int CalcHigherLogTwo( int n )
-{
- int log2 = 0;
- while( (1<<log2) < n ) log2++;
- return log2;
-}
-
-static PaError PaOssStreamComponent_Configure( PaOssStreamComponent *component, double sampleRate, unsigned long framesPerBuffer,
- StreamMode streamMode, PaOssStreamComponent *master )
-{
- PaError result = paNoError;
- int temp, nativeFormat;
- int sr = (int)sampleRate;
- PaSampleFormat availableFormats, hostFormat;
- int chans = component->userChannelCount;
- int frgmt;
- int numBufs;
- int bytesPerBuf;
- double bufSz;
- unsigned long fragSz;
- audio_buf_info bufInfo;
-
- /* We may have a situation where only one component (the master) is configured, if both point to the same device.
- * In that case, the second component will copy settings from the other */
- if( !master )
- {
- /* Aspect BufferSettings: If framesPerBuffer is unspecified we have to infer a suitable fragment size.
- * The hardware need not respect the requested fragment size, so we may have to adapt.
- */
- if( framesPerBuffer == paFramesPerBufferUnspecified )
- {
- bufSz = component->latency * sampleRate;
- fragSz = bufSz / 4;
- }
- else
- {
- fragSz = framesPerBuffer;
- bufSz = component->latency * sampleRate + fragSz; /* Latency + 1 buffer */
- }
-
- PA_ENSURE( GetAvailableFormats( component, &availableFormats ) );
- hostFormat = PaUtil_SelectClosestAvailableFormat( availableFormats, component->userFormat );
-
- /* OSS demands at least 2 buffers, and 16 bytes per buffer */
- numBufs = PA_MAX( bufSz / fragSz, 2 );
- bytesPerBuf = PA_MAX( fragSz * Pa_GetSampleSize( hostFormat ) * chans, 16 );
-
- /* The fragment parameters are encoded like this:
- * Most significant byte: number of fragments
- * Least significant byte: exponent of fragment size (i.e., for 256, 8)
- */
- frgmt = (numBufs << 16) + (CalcHigherLogTwo( bytesPerBuf ) & 0xffff);
- ENSURE_( ioctl( component->fd, SNDCTL_DSP_SETFRAGMENT, &frgmt ), paUnanticipatedHostError );
-
- /* A: according to the OSS programmer's guide parameters should be set in this order:
- * format, channels, rate */
-
- /* This format should be deemed good before we get this far */
- PA_ENSURE( Pa2OssFormat( hostFormat, &temp ) );
- nativeFormat = temp;
- ENSURE_( ioctl( component->fd, SNDCTL_DSP_SETFMT, &temp ), paUnanticipatedHostError );
- PA_UNLESS( temp == nativeFormat, paInternalError );
-
- /* try to set the number of channels */
- ENSURE_( ioctl( component->fd, SNDCTL_DSP_CHANNELS, &chans ), paSampleFormatNotSupported ); /* XXX: Should be paInvalidChannelCount? */
- /* It's possible that the minimum number of host channels is greater than what the user requested */
- PA_UNLESS( chans >= component->userChannelCount, paInvalidChannelCount );
-
- /* try to set the sample rate */
- ENSURE_( ioctl( component->fd, SNDCTL_DSP_SPEED, &sr ), paInvalidSampleRate );
-
- /* reject if there's no sample rate within 1% of the one requested */
- if( (fabs( sampleRate - sr ) / sampleRate) > 0.01 )
- {
- PA_DEBUG(("%s: Wanted %f, closest sample rate was %d\n", __FUNCTION__, sampleRate, sr ));
- PA_ENSURE( paInvalidSampleRate );
- }
-
- ENSURE_( ioctl( component->fd, streamMode == StreamMode_In ? SNDCTL_DSP_GETISPACE : SNDCTL_DSP_GETOSPACE, &bufInfo ),
- paUnanticipatedHostError );
- component->numBufs = bufInfo.fragstotal;
-
- /* This needs to be the last ioctl call before the first read/write, according to the OSS programmer's guide */
- ENSURE_( ioctl( component->fd, SNDCTL_DSP_GETBLKSIZE, &bytesPerBuf ), paUnanticipatedHostError );
-
- component->hostFrames = bytesPerBuf / Pa_GetSampleSize( hostFormat ) / chans;
- component->hostChannelCount = chans;
- component->hostFormat = hostFormat;
- }
- else
- {
- component->hostFormat = master->hostFormat;
- component->hostFrames = master->hostFrames;
- component->hostChannelCount = master->hostChannelCount;
- component->numBufs = master->numBufs;
- }
-
- PA_UNLESS( component->buffer = PaUtil_AllocateMemory( PaOssStreamComponent_BufferSize( component ) ),
- paInsufficientMemory );
-
-error:
- return result;
-}
-
-static PaError PaOssStreamComponent_Read( PaOssStreamComponent *component, unsigned long *frames )
-{
- PaError result = paNoError;
- size_t len = *frames * PaOssStreamComponent_FrameSize( component );
- ssize_t bytesRead;
-
- ENSURE_( bytesRead = read( component->fd, component->buffer, len ), paUnanticipatedHostError );
- *frames = bytesRead / PaOssStreamComponent_FrameSize( component );
-
-error:
- return result;
-}
-
-static PaError PaOssStreamComponent_Write( PaOssStreamComponent *component, unsigned long *frames )
-{
- PaError result = paNoError;
- size_t len = *frames * PaOssStreamComponent_FrameSize( component );
- ssize_t bytesWritten;
-
- ENSURE_( bytesWritten = write( component->fd, component->buffer, len ), paUnanticipatedHostError );
- *frames = bytesWritten / PaOssStreamComponent_FrameSize( component );
-
-error:
- return result;
-}
-
-/** Configure the stream according to input/output parameters.
- *
- * Aspect StreamChannels: The minimum number of channels supported by the device may exceed that requested by
- * the user, if so we'll record the actual number of host channels and adapt later.
- */
-static PaError PaOssStream_Configure( PaOssStream *stream, double sampleRate, unsigned long framesPerBuffer,
- double *inputLatency, double *outputLatency )
-{
- PaError result = paNoError;
- int duplex = stream->capture && stream->playback;
- unsigned long framesPerHostBuffer = 0;
-
- /* We should request full duplex first thing after opening the device */
- if( duplex && stream->sharedDevice )
- ENSURE_( ioctl( stream->capture->fd, SNDCTL_DSP_SETDUPLEX, 0 ), paUnanticipatedHostError );
-
- if( stream->capture )
- {
- PaOssStreamComponent *component = stream->capture;
- PaOssStreamComponent_Configure( component, sampleRate, framesPerBuffer, StreamMode_In, NULL );
-
- assert( component->hostChannelCount > 0 );
- assert( component->hostFrames > 0 );
-
- *inputLatency = component->hostFrames * (component->numBufs - 1) / sampleRate;
- }
- if( stream->playback )
- {
- PaOssStreamComponent *component = stream->playback, *master = stream->sharedDevice ? stream->capture : NULL;
- PA_ENSURE( PaOssStreamComponent_Configure( component, sampleRate, framesPerBuffer, StreamMode_Out,
- master ) );
-
- assert( component->hostChannelCount > 0 );
- assert( component->hostFrames > 0 );
-
- *outputLatency = component->hostFrames * (component->numBufs - 1) / sampleRate;
- }
-
- if( duplex )
- framesPerHostBuffer = PA_MIN( stream->capture->hostFrames, stream->playback->hostFrames );
- else if( stream->capture )
- framesPerHostBuffer = stream->capture->hostFrames;
- else if( stream->playback )
- framesPerHostBuffer = stream->playback->hostFrames;
-
- stream->framesPerHostBuffer = framesPerHostBuffer;
- stream->pollTimeout = (int) ceil( 1e6 * framesPerHostBuffer / sampleRate ); /* Period in usecs, rounded up */
-
- stream->streamRepresentation.streamInfo.sampleRate = sampleRate;
-
-error:
- return result;
-}
-
-/* see pa_hostapi.h for a list of validity guarantees made about OpenStream parameters */
-
-/** Open a PA OSS stream.
- *
- * Aspect StreamChannels: The number of channels is specified per direction (in/out), and can differ between the
- * two. However, OSS doesn't support separate configuration spaces for capture and playback so if both
- * directions are the same device we will demand the same number of channels. The number of channels can range
- * from 1 to the maximum supported by the device.
- *
- * Aspect BufferSettings: If framesPerBuffer != paFramesPerBufferUnspecified the number of frames per callback
- * must reflect this, in addition the host latency per device should approximate the corresponding
- * suggestedLatency. Based on these constraints we need to determine a number of frames per host buffer that
- * both capture and playback can agree on (they can be different devices), the buffer processor can adapt
- * between host and user buffer size, but the ratio should preferably be integral.
- */
-static PaError OpenStream( struct PaUtilHostApiRepresentation *hostApi,
- PaStream** s,
- const PaStreamParameters *inputParameters,
- const PaStreamParameters *outputParameters,
- double sampleRate,
- unsigned long framesPerBuffer,
- PaStreamFlags streamFlags,
- PaStreamCallback *streamCallback,
- void *userData )
-{
- PaError result = paNoError;
- PaOSSHostApiRepresentation *ossHostApi = (PaOSSHostApiRepresentation*)hostApi;
- PaOssStream *stream = NULL;
- int inputChannelCount = 0, outputChannelCount = 0;
- PaSampleFormat inputSampleFormat = 0, outputSampleFormat = 0, inputHostFormat = 0, outputHostFormat = 0;
- const PaDeviceInfo *inputDeviceInfo = 0, *outputDeviceInfo = 0;
- int bpInitialized = 0;
- double inLatency, outLatency;
-
- /* validate platform specific flags */
- if( (streamFlags & paPlatformSpecificFlags) != 0 )
- return paInvalidFlag; /* unexpected platform specific flag */
-
- if( inputParameters )
- {
- /* unless alternate device specification is supported, reject the use of
- paUseHostApiSpecificDeviceSpecification */
- inputDeviceInfo = hostApi->deviceInfos[inputParameters->device];
- PA_ENSURE( ValidateParameters( inputParameters, inputDeviceInfo, StreamMode_In ) );
-
- inputChannelCount = inputParameters->channelCount;
- inputSampleFormat = inputParameters->sampleFormat;
- }
- if( outputParameters )
- {
- outputDeviceInfo = hostApi->deviceInfos[outputParameters->device];
- PA_ENSURE( ValidateParameters( outputParameters, outputDeviceInfo, StreamMode_Out ) );
-
- outputChannelCount = outputParameters->channelCount;
- outputSampleFormat = outputParameters->sampleFormat;
- }
-
- /* Aspect StreamChannels: We currently demand that number of input and output channels are the same, if the same
- * device is opened for both directions
- */
- if( inputChannelCount > 0 && outputChannelCount > 0 )
- {
- if( inputParameters->device == outputParameters->device )
- {
- if( inputParameters->channelCount != outputParameters->channelCount )
- return paInvalidChannelCount;
- }
- }
-
- /* allocate and do basic initialization of the stream structure */
- PA_UNLESS( stream = (PaOssStream*)PaUtil_AllocateMemory( sizeof(PaOssStream) ), paInsufficientMemory );
- PaOssStream_Initialize( stream, inputParameters, outputParameters, streamCallback, userData, streamFlags, ossHostApi );
-
- PA_ENSURE( PaOssStream_Configure( stream, sampleRate, framesPerBuffer, &inLatency, &outLatency ) );
-
- PaUtil_InitializeCpuLoadMeasurer( &stream->cpuLoadMeasurer, sampleRate );
-
- if( inputParameters )
- {
- inputHostFormat = stream->capture->hostFormat;
- stream->streamRepresentation.streamInfo.inputLatency = inLatency +
- PaUtil_GetBufferProcessorInputLatency( &stream->bufferProcessor ) / sampleRate;
- }
- if( outputParameters )
- {
- outputHostFormat = stream->playback->hostFormat;
- stream->streamRepresentation.streamInfo.outputLatency = outLatency +
- PaUtil_GetBufferProcessorOutputLatency( &stream->bufferProcessor ) / sampleRate;
- }
-
- /* Initialize buffer processor with fixed host buffer size.
- * Aspect StreamSampleFormat: Here we commit the user and host sample formats, PA infrastructure will
- * convert between the two.
- */
- PA_ENSURE( PaUtil_InitializeBufferProcessor( &stream->bufferProcessor,
- inputChannelCount, inputSampleFormat, inputHostFormat, outputChannelCount, outputSampleFormat,
- outputHostFormat, sampleRate, streamFlags, framesPerBuffer, stream->framesPerHostBuffer,
- paUtilFixedHostBufferSize, streamCallback, userData ) );
- bpInitialized = 1;
-
- *s = (PaStream*)stream;
-
- return result;
-
-error:
- if( bpInitialized )
- PaUtil_TerminateBufferProcessor( &stream->bufferProcessor );
- if( stream )
- PaOssStream_Terminate( stream );
-
- return result;
-}
-
-/*! Poll on I/O filedescriptors.
-
- Poll till we've determined there's data for read or write. In the full-duplex case,
- we don't want to hang around forever waiting for either input or output frames, so
- whenever we have a timed out filedescriptor we check if we're nearing under/overrun
- for the other direction (critical limit set at one buffer). If so, we exit the waiting
- state, and go on with what we got. We align the number of frames on a host buffer
- boundary because it is possible that the buffer size differs for the two directions and
- the host buffer size is a compromise between the two.
- */
-static PaError PaOssStream_WaitForFrames( PaOssStream *stream, unsigned long *frames )
-{
- PaError result = paNoError;
- int pollPlayback = 0, pollCapture = 0;
- int captureAvail = INT_MAX, playbackAvail = INT_MAX, commonAvail;
- audio_buf_info bufInfo;
- /* int ofs = 0, nfds = stream->nfds; */
- fd_set readFds, writeFds;
- int nfds = 0;
- struct timeval selectTimeval = {0, 0};
- unsigned long timeout = stream->pollTimeout; /* In usecs */
- int captureFd = -1, playbackFd = -1;
-
- assert( stream );
- assert( frames );
-
- if( stream->capture )
- {
- pollCapture = 1;
- captureFd = stream->capture->fd;
- /* stream->capture->pfd->events = POLLIN; */
- }
- if( stream->playback )
- {
- pollPlayback = 1;
- playbackFd = stream->playback->fd;
- /* stream->playback->pfd->events = POLLOUT; */
- }
-
- FD_ZERO( &readFds );
- FD_ZERO( &writeFds );
-
- while( pollPlayback || pollCapture )
- {
- pthread_testcancel();
-
- /* select may modify the timeout parameter */
- selectTimeval.tv_usec = timeout;
- nfds = 0;
-
- if( pollCapture )
- {
- FD_SET( captureFd, &readFds );
- nfds = captureFd + 1;
- }
- if( pollPlayback )
- {
- FD_SET( playbackFd, &writeFds );
- nfds = PA_MAX( nfds, playbackFd + 1 );
- }
- ENSURE_( select( nfds, &readFds, &writeFds, NULL, &selectTimeval ), paUnanticipatedHostError );
- /*
- if( poll( stream->pfds + ofs, nfds, stream->pollTimeout ) < 0 )
- {
-
- ENSURE_( -1, paUnanticipatedHostError );
- }
- */
- pthread_testcancel();
-
- if( pollCapture )
- {
- if( FD_ISSET( captureFd, &readFds ) )
- {
- FD_CLR( captureFd, &readFds );
- pollCapture = 0;
- }
- /*
- if( stream->capture->pfd->revents & POLLIN )
- {
- --nfds;
- ++ofs;
- pollCapture = 0;
- }
- */
- else if( stream->playback ) /* Timed out, go on with playback? */
- {
- /*PA_DEBUG(( "%s: Trying to poll again for capture frames, pollTimeout: %d\n",
- __FUNCTION__, stream->pollTimeout ));*/
- }
- }
- if( pollPlayback )
- {
- if( FD_ISSET( playbackFd, &writeFds ) )
- {
- FD_CLR( playbackFd, &writeFds );
- pollPlayback = 0;
- }
- /*
- if( stream->playback->pfd->revents & POLLOUT )
- {
- --nfds;
- pollPlayback = 0;
- }
- */
- else if( stream->capture ) /* Timed out, go on with capture? */
- {
- /*PA_DEBUG(( "%s: Trying to poll again for playback frames, pollTimeout: %d\n\n",
- __FUNCTION__, stream->pollTimeout ));*/
- }
- }
- }
-
- if( stream->capture )
- {
- ENSURE_( ioctl( captureFd, SNDCTL_DSP_GETISPACE, &bufInfo ), paUnanticipatedHostError );
- captureAvail = bufInfo.fragments * stream->capture->hostFrames;
- if( !captureAvail )
- PA_DEBUG(( "%s: captureAvail: 0\n", __FUNCTION__ ));
-
- captureAvail = captureAvail == 0 ? INT_MAX : captureAvail; /* Disregard if zero */
- }
- if( stream->playback )
- {
- ENSURE_( ioctl( playbackFd, SNDCTL_DSP_GETOSPACE, &bufInfo ), paUnanticipatedHostError );
- playbackAvail = bufInfo.fragments * stream->playback->hostFrames;
- if( !playbackAvail )
- {
- PA_DEBUG(( "%s: playbackAvail: 0\n", __FUNCTION__ ));
- }
-
- playbackAvail = playbackAvail == 0 ? INT_MAX : playbackAvail; /* Disregard if zero */
- }
-
- commonAvail = PA_MIN( captureAvail, playbackAvail );
- if( commonAvail == INT_MAX )
- commonAvail = 0;
- commonAvail -= commonAvail % stream->framesPerHostBuffer;
-
- assert( commonAvail != INT_MAX );
- assert( commonAvail >= 0 );
- *frames = commonAvail;
-
-error:
- return result;
-}
-
-/** Prepare stream for capture/playback.
- *
- * In order to synchronize capture and playback properly we use the SETTRIGGER command.
- */
-static PaError PaOssStream_Prepare( PaOssStream *stream )
-{
- PaError result = paNoError;
- int enableBits = 0;
-
- if( stream->triggered )
- return result;
-
- if( stream->playback )
- {
- size_t bufSz = PaOssStreamComponent_BufferSize( stream->playback );
- memset( stream->playback->buffer, 0, bufSz );
-
- /* Looks like we have to turn off blocking before we try this, but if we don't fill the buffer
- * OSS will complain. */
- PA_ENSURE( ModifyBlocking( stream->playback->fd, 0 ) );
- while (1)
- {
- if( write( stream->playback->fd, stream->playback->buffer, bufSz ) < 0 )
- break;
- }
- PA_ENSURE( ModifyBlocking( stream->playback->fd, 1 ) );
- }
-
- if( stream->sharedDevice )
- {
- enableBits = PCM_ENABLE_INPUT | PCM_ENABLE_OUTPUT;
- ENSURE_( ioctl( stream->capture->fd, SNDCTL_DSP_SETTRIGGER, &enableBits ), paUnanticipatedHostError );
- }
- else
- {
- if( stream->capture )
- {
- enableBits = PCM_ENABLE_INPUT;
- ENSURE_( ioctl( stream->capture->fd, SNDCTL_DSP_SETTRIGGER, &enableBits ), paUnanticipatedHostError );
- }
- if( stream->playback )
- {
- enableBits = PCM_ENABLE_OUTPUT;
- ENSURE_( ioctl( stream->playback->fd, SNDCTL_DSP_SETTRIGGER, &enableBits ), paUnanticipatedHostError );
- }
- }
-
- /* Ok, we have triggered the stream */
- stream->triggered = 1;
-
-error:
- return result;
-}
-
-/** Stop audio processing
- *
- */
-static PaError PaOssStream_Stop( PaOssStream *stream, int abort )
-{
- PaError result = paNoError;
-
- /* Looks like the only safe way to stop audio without reopening the device is SNDCTL_DSP_POST.
- * Also disable capture/playback till the stream is started again */
- if( stream->capture )
- {
- ENSURE_( ioctl( stream->capture->fd, SNDCTL_DSP_POST, 0 ), paUnanticipatedHostError );
- }
- if( stream->playback && !stream->sharedDevice )
- {
- ENSURE_( ioctl( stream->playback->fd, SNDCTL_DSP_POST, 0 ), paUnanticipatedHostError );
- }
-
-error:
- return result;
-}
-
-/** Clean up after thread exit.
- *
- * Aspect StreamState: If the user has registered a streamFinishedCallback it will be called here
- */
-static void OnExit( void *data )
-{
- PaOssStream *stream = (PaOssStream *) data;
- assert( data );
-
- PaUtil_ResetCpuLoadMeasurer( &stream->cpuLoadMeasurer );
-
- PaOssStream_Stop( stream, stream->callbackAbort );
-
- PA_DEBUG(( "OnExit: Stoppage\n" ));
-
- /* Eventually notify user all buffers have played */
- if( stream->streamRepresentation.streamFinishedCallback )
- stream->streamRepresentation.streamFinishedCallback( stream->streamRepresentation.userData );
-
- stream->callbackAbort = 0; /* Clear state */
- stream->isActive = 0;
-}
-
-static PaError SetUpBuffers( PaOssStream *stream, unsigned long framesAvail )
-{
- PaError result = paNoError;
-
- if( stream->capture )
- {
- PaUtil_SetInterleavedInputChannels( &stream->bufferProcessor, 0, stream->capture->buffer,
- stream->capture->hostChannelCount );
- PaUtil_SetInputFrameCount( &stream->bufferProcessor, framesAvail );
- }
- if( stream->playback )
- {
- PaUtil_SetInterleavedOutputChannels( &stream->bufferProcessor, 0, stream->playback->buffer,
- stream->playback->hostChannelCount );
- PaUtil_SetOutputFrameCount( &stream->bufferProcessor, framesAvail );
- }
-
- return result;
-}
-
-/** Thread procedure for callback processing.
- *
- * Aspect StreamState: StartStream will wait on this to initiate audio processing, useful in case the
- * callback should be used for buffer priming. When the stream is cancelled a separate function will
- * take care of the transition to the Callback Finished state (the stream isn't considered Stopped
- * before StopStream() or AbortStream() are called).
- */
-static void *PaOSS_AudioThreadProc( void *userData )
-{
- PaError result = paNoError;
- PaOssStream *stream = (PaOssStream*)userData;
- unsigned long framesAvail, framesProcessed;
- int callbackResult = paContinue;
- int triggered = stream->triggered; /* See if SNDCTL_DSP_TRIGGER has been issued already */
- int initiateProcessing = triggered; /* Already triggered? */
- PaStreamCallbackFlags cbFlags = 0; /* We might want to keep state across iterations */
-
- /*
-#if ( SOUND_VERSION > 0x030904 )
- audio_errinfo errinfo;
-#endif
-*/
-
- assert( stream );
-
- pthread_cleanup_push( &OnExit, stream ); /* Execute OnExit when exiting */
-
- /* The first time the stream is started we use SNDCTL_DSP_TRIGGER to accurately start capture and
- * playback in sync, when the stream is restarted after being stopped we simply start by reading/
- * writing.
- */
- PA_ENSURE( PaOssStream_Prepare( stream ) );
-
- /* If we are to initiate processing implicitly by reading/writing data, we start off in blocking mode */
- if( initiateProcessing )
- {
- /* Make sure devices are in blocking mode */
- if( stream->capture )
- ModifyBlocking( stream->capture->fd, 1 );
- if( stream->playback )
- ModifyBlocking( stream->playback->fd, 1 );
- }
-
- while( 1 )
- {
- PaStreamCallbackTimeInfo timeInfo = {0,0,0}; /* TODO: IMPLEMENT ME */
-
- pthread_testcancel();
-
- if( stream->callbackStop && callbackResult == paContinue )
- {
- PA_DEBUG(( "Setting callbackResult to paComplete\n" ));
- callbackResult = paComplete;
- }
-
- /* Aspect StreamState: Because of the messy OSS scheme we can't explicitly trigger device start unless
- * the stream has been recently started, we will have to go right ahead and read/write in blocking
- * fashion to trigger operation. Therefore we begin with processing one host buffer before we switch
- * to non-blocking mode.
- */
- if( !initiateProcessing )
- {
- PA_ENSURE( PaOssStream_WaitForFrames( stream, &framesAvail ) ); /* Wait on available frames */
- assert( framesAvail % stream->framesPerHostBuffer == 0 );
- }
- else
- {
- framesAvail = stream->framesPerHostBuffer;
- }
-
- while( framesAvail > 0 )
- {
- unsigned long frames = framesAvail;
-
- pthread_testcancel();
-
- PaUtil_BeginCpuLoadMeasurement( &stream->cpuLoadMeasurer );
-
- /* Read data */
- if ( stream->capture )
- {
- PA_ENSURE( PaOssStreamComponent_Read( stream->capture, &frames ) );
- assert( frames == framesAvail );
- }
-
-#if ( SOUND_VERSION >= 0x030904 )
- /*
- Check with OSS to see if there have been any under/overruns
- since last time we checked.
- */
- /*
- if( ioctl( stream->deviceHandle, SNDCTL_DSP_GETERROR, &errinfo ) >= 0 )
- {
- if( errinfo.play_underruns )
- cbFlags |= paOutputUnderflow ;
- if( errinfo.record_underruns )
- cbFlags |= paInputUnderflow ;
- }
- else
- PA_DEBUG(( "SNDCTL_DSP_GETERROR command failed: %s\n", strerror( errno ) ));
- */
-#endif
-
- PaUtil_BeginBufferProcessing( &stream->bufferProcessor, &timeInfo,
- cbFlags );
- cbFlags = 0;
- PA_ENSURE( SetUpBuffers( stream, framesAvail ) );
-
- framesProcessed = PaUtil_EndBufferProcessing( &stream->bufferProcessor,
- &callbackResult );
- assert( framesProcessed == framesAvail );
- PaUtil_EndCpuLoadMeasurement( &stream->cpuLoadMeasurer, framesProcessed );
-
- if ( stream->playback )
- {
- frames = framesAvail;
-
- PA_ENSURE( PaOssStreamComponent_Write( stream->playback, &frames ) );
- assert( frames == framesAvail );
-
- /* TODO: handle bytesWritten != bytesRequested (slippage?) */
- }
-
- framesAvail -= framesProcessed;
- stream->framesProcessed += framesProcessed;
-
- if( callbackResult != paContinue )
- break;
- }
-
- if( initiateProcessing || !triggered )
- {
- /* Non-blocking */
- if( stream->capture )
- PA_ENSURE( ModifyBlocking( stream->capture->fd, 0 ) );
- if( stream->playback && !stream->sharedDevice )
- PA_ENSURE( ModifyBlocking( stream->playback->fd, 0 ) );
-
- initiateProcessing = 0;
- sem_post( &stream->semaphore );
- }
-
- if( callbackResult != paContinue )
- {
- stream->callbackAbort = callbackResult == paAbort;
- if( stream->callbackAbort || PaUtil_IsBufferProcessorOutputEmpty( &stream->bufferProcessor ) )
- break;
- }
- }
-
- pthread_cleanup_pop( 1 );
-
-error:
- pthread_exit( NULL );
-}
-
-/** Close the stream.
- *
- */
-static PaError CloseStream( PaStream* s )
-{
- PaError result = paNoError;
- PaOssStream *stream = (PaOssStream*)s;
-
- assert( stream );
-
- PaUtil_TerminateBufferProcessor( &stream->bufferProcessor );
- PaOssStream_Terminate( stream );
-
- return result;
-}
-
-/** Start the stream.
- *
- * Aspect StreamState: After returning, the stream shall be in the Active state, implying that an eventual
- * callback will be repeatedly called in a separate thread. If a separate thread is started this function
- * will block untill it has started processing audio, otherwise audio processing is started directly.
- */
-static PaError StartStream( PaStream *s )
-{
- PaError result = paNoError;
- PaOssStream *stream = (PaOssStream*)s;
-
- stream->isActive = 1;
- stream->isStopped = 0;
- stream->lastPosPtr = 0;
- stream->lastStreamBytes = 0;
- stream->framesProcessed = 0;
-
- /* only use the thread for callback streams */
- if( stream->bufferProcessor.streamCallback )
- {
- PA_ENSURE( PaUtil_StartThreading( &stream->threading, &PaOSS_AudioThreadProc, stream ) );
- sem_wait( &stream->semaphore );
- }
- else
- PA_ENSURE( PaOssStream_Prepare( stream ) );
-
-error:
- return result;
-}
-
-static PaError RealStop( PaOssStream *stream, int abort )
-{
- PaError result = paNoError;
-
- if( stream->callbackMode )
- {
- if( abort )
- stream->callbackAbort = 1;
- else
- stream->callbackStop = 1;
-
- PA_ENSURE( PaUtil_CancelThreading( &stream->threading, !abort, NULL ) );
-
- stream->callbackStop = stream->callbackAbort = 0;
- }
- else
- PA_ENSURE( PaOssStream_Stop( stream, abort ) );
-
- stream->isStopped = 1;
-
-error:
- return result;
-}
-
-/** Stop the stream.
- *
- * Aspect StreamState: This will cause the stream to transition to the Stopped state, playing all enqueued
- * buffers.
- */
-static PaError StopStream( PaStream *s )
-{
- return RealStop( (PaOssStream *)s, 0 );
-}
-
-/** Abort the stream.
- *
- * Aspect StreamState: This will cause the stream to transition to the Stopped state, discarding all enqueued
- * buffers. Note that the buffers are not currently correctly discarded, this is difficult without closing
- * the OSS device.
- */
-static PaError AbortStream( PaStream *s )
-{
- return RealStop( (PaOssStream *)s, 1 );
-}
-
-/** Is the stream in the Stopped state.
- *
- */
-static PaError IsStreamStopped( PaStream *s )
-{
- PaOssStream *stream = (PaOssStream*)s;
-
- return (stream->isStopped);
-}
-
-/** Is the stream in the Active state.
- *
- */
-static PaError IsStreamActive( PaStream *s )
-{
- PaOssStream *stream = (PaOssStream*)s;
-
- return (stream->isActive);
-}
-
-static PaTime GetStreamTime( PaStream *s )
-{
- PaOssStream *stream = (PaOssStream*)s;
- count_info info;
- int delta;
-
- if( stream->playback ) {
- if( ioctl( stream->playback->fd, SNDCTL_DSP_GETOPTR, &info) == 0 ) {
- delta = ( info.bytes - stream->lastPosPtr ) & 0x000FFFFF;
- return ( stream->lastStreamBytes + delta) / PaOssStreamComponent_FrameSize( stream->playback ) / stream->sampleRate;
- }
- }
- else {
- if (ioctl( stream->capture->fd, SNDCTL_DSP_GETIPTR, &info) == 0) {
- delta = (info.bytes - stream->lastPosPtr) & 0x000FFFFF;
- return ( stream->lastStreamBytes + delta) / PaOssStreamComponent_FrameSize( stream->capture ) / stream->sampleRate;
- }
- }
-
- /* the ioctl failed, but we can still give a coarse estimate */
-
- return stream->framesProcessed / stream->sampleRate;
-}
-
-
-static double GetStreamCpuLoad( PaStream* s )
-{
- PaOssStream *stream = (PaOssStream*)s;
-
- return PaUtil_GetCpuLoad( &stream->cpuLoadMeasurer );
-}
-
-
-/*
- As separate stream interfaces are used for blocking and callback
- streams, the following functions can be guaranteed to only be called
- for blocking streams.
-*/
-
-
-static PaError ReadStream( PaStream* s,
- void *buffer,
- unsigned long frames )
-{
- PaOssStream *stream = (PaOssStream*)s;
- int bytesRequested, bytesRead;
- unsigned long framesRequested;
- void *userBuffer;
-
- /* If user input is non-interleaved, PaUtil_CopyInput will manipulate the channel pointers,
- * so we copy the user provided pointers */
- if( stream->bufferProcessor.userInputIsInterleaved )
- userBuffer = buffer;
- else /* Copy channels into local array */
- {
- userBuffer = stream->capture->userBuffers;
- memcpy( (void *)userBuffer, buffer, sizeof (void *) * stream->capture->userChannelCount );
- }
-
- while( frames )
- {
- framesRequested = PA_MIN( frames, stream->capture->hostFrames );
-
- bytesRequested = framesRequested * PaOssStreamComponent_FrameSize( stream->capture );
- bytesRead = read( stream->capture->fd, stream->capture->buffer, bytesRequested );
- if ( bytesRequested != bytesRead )
- return paUnanticipatedHostError;
-
- PaUtil_SetInputFrameCount( &stream->bufferProcessor, stream->capture->hostFrames );
- PaUtil_SetInterleavedInputChannels( &stream->bufferProcessor, 0, stream->capture->buffer, stream->capture->hostChannelCount );
- PaUtil_CopyInput( &stream->bufferProcessor, &userBuffer, framesRequested );
- frames -= framesRequested;
- }
- return paNoError;
-}
-
-
-static PaError WriteStream( PaStream* s,
- const void *buffer,
- unsigned long frames )
-{
- PaOssStream *stream = (PaOssStream*)s;
- int bytesRequested, bytesWritten;
- unsigned long framesConverted;
- const void *userBuffer;
-
- /* If user output is non-interleaved, PaUtil_CopyOutput will manipulate the channel pointers,
- * so we copy the user provided pointers */
- if( stream->bufferProcessor.userOutputIsInterleaved )
- userBuffer = buffer;
- else /* Copy channels into local array */
- {
- userBuffer = stream->playback->userBuffers;
- memcpy( (void *)userBuffer, buffer, sizeof (void *) * stream->playback->userChannelCount );
- }
-
- while( frames )
- {
- PaUtil_SetOutputFrameCount( &stream->bufferProcessor, stream->playback->hostFrames );
- PaUtil_SetInterleavedOutputChannels( &stream->bufferProcessor, 0, stream->playback->buffer, stream->playback->hostChannelCount );
-
- framesConverted = PaUtil_CopyOutput( &stream->bufferProcessor, &userBuffer, frames );
- frames -= framesConverted;
-
- bytesRequested = framesConverted * PaOssStreamComponent_FrameSize( stream->playback );
- bytesWritten = write( stream->playback->fd, stream->playback->buffer, bytesRequested );
-
- if ( bytesRequested != bytesWritten )
- return paUnanticipatedHostError;
- }
- return paNoError;
-}
-
-
-static signed long GetStreamReadAvailable( PaStream* s )
-{
- PaOssStream *stream = (PaOssStream*)s;
- audio_buf_info info;
-
- if( ioctl( stream->capture->fd, SNDCTL_DSP_GETISPACE, &info ) < 0 )
- return paUnanticipatedHostError;
- return info.fragments * stream->capture->hostFrames;
-}
-
-
-/* TODO: Compute number of allocated bytes somewhere else, can we use ODELAY with capture */
-static signed long GetStreamWriteAvailable( PaStream* s )
-{
- PaOssStream *stream = (PaOssStream*)s;
- int delay = 0;
-
- if( ioctl( stream->playback->fd, SNDCTL_DSP_GETODELAY, &delay ) < 0 )
- return paUnanticipatedHostError;
-
- return (PaOssStreamComponent_BufferSize( stream->playback ) - delay) / PaOssStreamComponent_FrameSize( stream->playback );
-}
-
diff --git a/src/audio/portaudio/pa_unix_oss/recplay.c b/src/audio/portaudio/pa_unix_oss/recplay.c
deleted file mode 100644
index 9d4c78cfa3..0000000000
--- a/src/audio/portaudio/pa_unix_oss/recplay.c
+++ /dev/null
@@ -1,114 +0,0 @@
-/*
- * recplay.c
- * Phil Burk
- * Minimal record and playback test.
- *
- */
-#include <stdio.h>
-#include <unistd.h>
-#include <stdlib.h>
-#ifndef __STDC__
-/* #include <getopt.h> */
-#endif /* __STDC__ */
-#include <fcntl.h>
-#ifdef __STDC__
-#include <string.h>
-#else /* __STDC__ */
-#include <strings.h>
-#endif /* __STDC__ */
-#include <sys/soundcard.h>
-
-#define NUM_BYTES (64*1024)
-#define BLOCK_SIZE (4*1024)
-
-#define AUDIO "/dev/dsp"
-
-char buffer[NUM_BYTES];
-
-int audioDev = 0;
-
-main (int argc, char *argv[])
-{
- int numLeft;
- char *ptr;
- int num;
- int samplesize;
-
- /********** RECORD ********************/
- /* Open audio device. */
- audioDev = open (AUDIO, O_RDONLY, 0);
- if (audioDev == -1)
- {
- perror (AUDIO);
- exit (-1);
- }
-
- /* Set to 16 bit samples. */
- samplesize = 16;
- ioctl(audioDev, SNDCTL_DSP_SAMPLESIZE, &samplesize);
- if (samplesize != 16)
- {
- perror("Unable to set the sample size.");
- exit(-1);
- }
-
- /* Record in blocks */
- printf("Begin recording.\n");
- numLeft = NUM_BYTES;
- ptr = buffer;
- while( numLeft >= BLOCK_SIZE )
- {
- if ( (num = read (audioDev, ptr, BLOCK_SIZE)) < 0 )
- {
- perror (AUDIO);
- exit (-1);
- }
- else
- {
- printf("Read %d bytes\n", num);
- ptr += num;
- numLeft -= num;
- }
- }
-
- close( audioDev );
-
- /********** PLAYBACK ********************/
- /* Open audio device for writing. */
- audioDev = open (AUDIO, O_WRONLY, 0);
- if (audioDev == -1)
- {
- perror (AUDIO);
- exit (-1);
- }
-
- /* Set to 16 bit samples. */
- samplesize = 16;
- ioctl(audioDev, SNDCTL_DSP_SAMPLESIZE, &samplesize);
- if (samplesize != 16)
- {
- perror("Unable to set the sample size.");
- exit(-1);
- }
-
- /* Play in blocks */
- printf("Begin playing.\n");
- numLeft = NUM_BYTES;
- ptr = buffer;
- while( numLeft >= BLOCK_SIZE )
- {
- if ( (num = write (audioDev, ptr, BLOCK_SIZE)) < 0 )
- {
- perror (AUDIO);
- exit (-1);
- }
- else
- {
- printf("Wrote %d bytes\n", num);
- ptr += num;
- numLeft -= num;
- }
- }
-
- close( audioDev );
-}
diff --git a/src/audio/portaudio/pa_win/dev-cpp/Makefile-dll b/src/audio/portaudio/pa_win/dev-cpp/Makefile-dll
deleted file mode 100644
index 856af638e3..0000000000
--- a/src/audio/portaudio/pa_win/dev-cpp/Makefile-dll
+++ /dev/null
@@ -1,78 +0,0 @@
-# Project: portaudio-dll
-# Makefile created by Dev-C++ 4.9.8.2
-
-CPP = g++.exe
-CC = gcc.exe
-WINDRES = windres.exe
-RES =
-OBJ = ./pa_skeleton.o ./pa_stream.o ./pa_trace.o ./pa_allocation.o ./pa_converters.o ./pa_cpuload.o ./pa_dither.o ./pa_front.o ./pa_process.o ./pa_asio.o ./pa_win_util.o ./pa_win_hostapis.o ./pa_win_ds.o ./dsound_wrapper.o ./pa_win_wmme.o ./iasiothiscallresolver.o $(RES)
-LINKOBJ = ./pa_skeleton.o ./pa_stream.o ./pa_trace.o ./pa_allocation.o ./pa_converters.o ./pa_cpuload.o ./pa_dither.o ./pa_front.o ./pa_process.o ./pa_asio.o ./pa_win_util.o ./pa_win_hostapis.o ./pa_win_ds.o ./dsound_wrapper.o ./pa_win_wmme.o ./iasiothiscallresolver.o $(RES)
-LIBS = -L"C:/Dev-CPP/lib" -fmessage-length=0 --no-export-all-symbols --add-stdcall-alias ../../../asiosdk2/asiosdk2.a -lkernel32 -luser32 -lgdi32 -lwinspool -lcomdlg32 -ladvapi32 -lshell32 -lole32 -loleaut32 -luuid -lodbc32 -lodbccp32 -lwinmm -O3 -s
-INCS = -I"C:/Dev-CPP/include" -I"../../../asiosdk2" -I"../../../asiosdk2/common" -I"../../../asiosdk2/host" -I"../../../asiosdk2/host/pc" -I"../../pa_common"
-CXXINCS = -I"C:/Dev-CPP/include/c++" -I"C:/Dev-CPP/include/c++/mingw32" -I"C:/Dev-CPP/include/c++/backward" -I"C:/Dev-CPP/include" -I"../../../asiosdk2" -I"../../../asiosdk2/common" -I"../../../asiosdk2/host" -I"../../../asiosdk2/host/pc" -I"../../pa_common"
-BIN = portaudio-dll.dll
-CXXFLAGS = $(CXXINCS)-O3 -fmessage-length=0 -Wall
-CFLAGS = $(INCS)-DBUILDING_DLL=1 -O3 -fmessage-length=0 -Wall
-
-.PHONY: all all-before all-after clean clean-custom
-
-all: all-before portaudio-dll.dll all-after
-
-
-clean: clean-custom
- rm -f $(OBJ) $(BIN)
-
-DLLWRAP=dllwrap.exe
-DEFFILE=libportaudio-dll.def
-STATICLIB=libportaudio-dll.a
-
-$(BIN): $(LINKOBJ)
- $(DLLWRAP) --output-def $(DEFFILE) --driver-name c++ --implib $(STATICLIB) $(LINKOBJ) $(LIBS) -o $(BIN)
-
-./pa_skeleton.o: ../../pa_common/pa_skeleton.c
- $(CPP) -c ../../pa_common/pa_skeleton.c -o ./pa_skeleton.o $(CXXFLAGS)
-
-./pa_stream.o: ../../pa_common/pa_stream.c
- $(CPP) -c ../../pa_common/pa_stream.c -o ./pa_stream.o $(CXXFLAGS)
-
-./pa_trace.o: ../../pa_common/pa_trace.c
- $(CPP) -c ../../pa_common/pa_trace.c -o ./pa_trace.o $(CXXFLAGS)
-
-./pa_allocation.o: ../../pa_common/pa_allocation.c
- $(CPP) -c ../../pa_common/pa_allocation.c -o ./pa_allocation.o $(CXXFLAGS)
-
-./pa_converters.o: ../../pa_common/pa_converters.c
- $(CPP) -c ../../pa_common/pa_converters.c -o ./pa_converters.o $(CXXFLAGS)
-
-./pa_cpuload.o: ../../pa_common/pa_cpuload.c
- $(CPP) -c ../../pa_common/pa_cpuload.c -o ./pa_cpuload.o $(CXXFLAGS)
-
-./pa_dither.o: ../../pa_common/pa_dither.c
- $(CPP) -c ../../pa_common/pa_dither.c -o ./pa_dither.o $(CXXFLAGS)
-
-./pa_front.o: ../../pa_common/pa_front.c
- $(CPP) -c ../../pa_common/pa_front.c -o ./pa_front.o $(CXXFLAGS)
-
-./pa_process.o: ../../pa_common/pa_process.c
- $(CPP) -c ../../pa_common/pa_process.c -o ./pa_process.o $(CXXFLAGS)
-
-./pa_asio.o: ../../pa_asio/pa_asio.cpp
- $(CPP) -c ../../pa_asio/pa_asio.cpp -o ./pa_asio.o $(CXXFLAGS)
-
-./pa_win_util.o: ../pa_win_util.c
- $(CPP) -c ../pa_win_util.c -o ./pa_win_util.o $(CXXFLAGS)
-
-./pa_win_hostapis.o: ../pa_win_hostapis.c
- $(CPP) -c ../pa_win_hostapis.c -o ./pa_win_hostapis.o $(CXXFLAGS)
-
-./pa_win_ds.o: ../../pa_win_ds/pa_win_ds.c
- $(CPP) -c ../../pa_win_ds/pa_win_ds.c -o ./pa_win_ds.o $(CXXFLAGS)
-
-./dsound_wrapper.o: ../../pa_win_ds/dsound_wrapper.c
- $(CPP) -c ../../pa_win_ds/dsound_wrapper.c -o ./dsound_wrapper.o $(CXXFLAGS)
-
-./pa_win_wmme.o: ../../pa_win_wmme/pa_win_wmme.c
- $(CPP) -c ../../pa_win_wmme/pa_win_wmme.c -o ./pa_win_wmme.o $(CXXFLAGS)
-
-./iasiothiscallresolver.o: ../../pa_asio/iasiothiscallresolver.cpp
- $(CPP) -c ../../pa_asio/iasiothiscallresolver.cpp -o ./iasiothiscallresolver.o $(CXXFLAGS)
diff --git a/src/audio/portaudio/pa_win/dev-cpp/Makefile-static b/src/audio/portaudio/pa_win/dev-cpp/Makefile-static
deleted file mode 100644
index 2a1647ddc5..0000000000
--- a/src/audio/portaudio/pa_win/dev-cpp/Makefile-static
+++ /dev/null
@@ -1,75 +0,0 @@
-# Project: portaudio-static
-# Makefile created by Dev-C++ 4.9.8.2
-
-CPP = g++.exe
-CC = gcc.exe
-WINDRES = windres.exe
-RES =
-OBJ = ./pa_skeleton.o ./pa_stream.o ./pa_trace.o ./pa_allocation.o ./pa_converters.o ./pa_cpuload.o ./pa_dither.o ./pa_front.o ./pa_process.o ./pa_asio.o ./pa_win_util.o ./pa_win_hostapis.o ./pa_win_ds.o ./dsound_wrapper.o ./pa_win_wmme.o ./iasiothiscallresolver.o $(RES)
-LINKOBJ = ./pa_skeleton.o ./pa_stream.o ./pa_trace.o ./pa_allocation.o ./pa_converters.o ./pa_cpuload.o ./pa_dither.o ./pa_front.o ./pa_process.o ./pa_asio.o ./pa_win_util.o ./pa_win_hostapis.o ./pa_win_ds.o ./dsound_wrapper.o ./pa_win_wmme.o ./iasiothiscallresolver.o $(RES)
-LIBS = -L"C:/Dev-CPP/lib" -fmessage-length=0 -O3 -s
-INCS = -I"C:/Dev-CPP/include" -I"../../../asiosdk2" -I"../../../asiosdk2/common" -I"../../../asiosdk2/host" -I"../../../asiosdk2/host/pc" -I"../../pa_common"
-CXXINCS = -I"C:/Dev-CPP/include/c++" -I"C:/Dev-CPP/include/c++/mingw32" -I"C:/Dev-CPP/include/c++/backward" -I"C:/Dev-CPP/include" -I"../../../asiosdk2" -I"../../../asiosdk2/common" -I"../../../asiosdk2/host" -I"../../../asiosdk2/host/pc" -I"../../pa_common"
-BIN = portaudio-static.a
-CXXFLAGS = $(CXXINCS)-O3 -fmessage-length=0 -Wall
-CFLAGS = $(INCS)-O3 -fmessage-length=0 -Wall
-
-.PHONY: all all-before all-after clean clean-custom
-
-all: all-before portaudio-static.a all-after
-
-
-clean: clean-custom
- rm -f $(OBJ) $(BIN)
-
-$(BIN): $(LINKOBJ)
- ar r $(BIN) $(LINKOBJ)
- ranlib $(BIN)
-
-./pa_skeleton.o: ../../pa_common/pa_skeleton.c
- $(CPP) -c ../../pa_common/pa_skeleton.c -o ./pa_skeleton.o $(CXXFLAGS)
-
-./pa_stream.o: ../../pa_common/pa_stream.c
- $(CPP) -c ../../pa_common/pa_stream.c -o ./pa_stream.o $(CXXFLAGS)
-
-./pa_trace.o: ../../pa_common/pa_trace.c
- $(CPP) -c ../../pa_common/pa_trace.c -o ./pa_trace.o $(CXXFLAGS)
-
-./pa_allocation.o: ../../pa_common/pa_allocation.c
- $(CPP) -c ../../pa_common/pa_allocation.c -o ./pa_allocation.o $(CXXFLAGS)
-
-./pa_converters.o: ../../pa_common/pa_converters.c
- $(CPP) -c ../../pa_common/pa_converters.c -o ./pa_converters.o $(CXXFLAGS)
-
-./pa_cpuload.o: ../../pa_common/pa_cpuload.c
- $(CPP) -c ../../pa_common/pa_cpuload.c -o ./pa_cpuload.o $(CXXFLAGS)
-
-./pa_dither.o: ../../pa_common/pa_dither.c
- $(CPP) -c ../../pa_common/pa_dither.c -o ./pa_dither.o $(CXXFLAGS)
-
-./pa_front.o: ../../pa_common/pa_front.c
- $(CPP) -c ../../pa_common/pa_front.c -o ./pa_front.o $(CXXFLAGS)
-
-./pa_process.o: ../../pa_common/pa_process.c
- $(CPP) -c ../../pa_common/pa_process.c -o ./pa_process.o $(CXXFLAGS)
-
-./pa_asio.o: ../../pa_asio/pa_asio.cpp
- $(CPP) -c ../../pa_asio/pa_asio.cpp -o ./pa_asio.o $(CXXFLAGS)
-
-./pa_win_util.o: ../pa_win_util.c
- $(CPP) -c ../pa_win_util.c -o ./pa_win_util.o $(CXXFLAGS)
-
-./pa_win_hostapis.o: ../pa_win_hostapis.c
- $(CPP) -c ../pa_win_hostapis.c -o ./pa_win_hostapis.o $(CXXFLAGS)
-
-./pa_win_ds.o: ../../pa_win_ds/pa_win_ds.c
- $(CPP) -c ../../pa_win_ds/pa_win_ds.c -o ./pa_win_ds.o $(CXXFLAGS)
-
-./dsound_wrapper.o: ../../pa_win_ds/dsound_wrapper.c
- $(CPP) -c ../../pa_win_ds/dsound_wrapper.c -o ./dsound_wrapper.o $(CXXFLAGS)
-
-./pa_win_wmme.o: ../../pa_win_wmme/pa_win_wmme.c
- $(CPP) -c ../../pa_win_wmme/pa_win_wmme.c -o ./pa_win_wmme.o $(CXXFLAGS)
-
-./iasiothiscallresolver.o: ../../pa_asio/iasiothiscallresolver.cpp
- $(CPP) -c ../../pa_asio/iasiothiscallresolver.cpp -o ./iasiothiscallresolver.o $(CXXFLAGS)
diff --git a/src/audio/portaudio/pa_win/dev-cpp/portaudio-dll.dev b/src/audio/portaudio/pa_win/dev-cpp/portaudio-dll.dev
deleted file mode 100644
index 086e109eef..0000000000
--- a/src/audio/portaudio/pa_win/dev-cpp/portaudio-dll.dev
+++ /dev/null
@@ -1,209 +0,0 @@
-[Project]
-FileName=portaudio-dll.dev
-Name=portaudio-dll
-UnitCount=16
-Type=3
-Ver=1
-ObjFiles=
-Includes=..\..\..\asiosdk2;..\..\..\asiosdk2\common;..\..\..\asiosdk2\host;..\..\..\asiosdk2\host\pc;..\..\pa_common
-Libs=
-PrivateResource=
-ResourceIncludes=
-MakeIncludes=
-Compiler=-DBUILDING_DLL=1_@@_-O3_@@_
-CppCompiler=-O3_@@_
-Linker=--no-export-all-symbols --add-stdcall-alias_@@_../../../asiosdk2/asiosdk2.a_@@_-lkernel32 -luser32 -lgdi32 -lwinspool -lcomdlg32 -ladvapi32 -lshell32 -lole32 -loleaut32 -luuid -lodbc32 -lodbccp32 -lwinmm_@@_-O3 -s_@@_
-IsCpp=1
-Icon=
-ExeOutput=.
-ObjectOutput=.
-OverrideOutput=0
-OverrideOutputName=portaudio.a
-HostApplication=
-Folders=
-CommandLine=
-IncludeVersionInfo=0
-SupportXPThemes=0
-CompilerSet=0
-CompilerSettings=0000000000000000000
-UseCustomMakefile=0
-CustomMakefile=
-
-[Unit1]
-FileName=..\..\pa_common\pa_skeleton.c
-CompileCpp=1
-Folder=portaudio
-Compile=1
-Link=1
-Priority=1000
-OverrideBuildCmd=0
-BuildCmd=$(CC) -c pa_skeleton.c -o ./pa_skeleton.o $(CFLAGS)
-
-[Unit2]
-FileName=..\..\pa_common\pa_stream.c
-CompileCpp=1
-Folder=portaudio
-Compile=1
-Link=1
-Priority=1000
-OverrideBuildCmd=0
-BuildCmd=$(CC) -c pa_stream.c -o ./pa_stream.o $(CFLAGS)
-
-[Unit3]
-FileName=..\..\pa_common\pa_trace.c
-CompileCpp=1
-Folder=portaudio
-Compile=1
-Link=1
-Priority=1000
-OverrideBuildCmd=0
-BuildCmd=$(CC) -c pa_trace.c -o ./pa_trace.o $(CFLAGS)
-
-[Unit4]
-FileName=..\..\pa_common\pa_allocation.c
-CompileCpp=1
-Folder=portaudio
-Compile=1
-Link=1
-Priority=1000
-OverrideBuildCmd=0
-BuildCmd=$(CC) -c pa_allocation.c -o ./pa_allocation.o $(CFLAGS)
-
-[Unit5]
-FileName=..\..\pa_common\pa_converters.c
-CompileCpp=1
-Folder=portaudio
-Compile=1
-Link=1
-Priority=1000
-OverrideBuildCmd=0
-BuildCmd=$(CC) -c pa_converters.c -o ./pa_converters.o $(CFLAGS)
-
-[Unit6]
-FileName=..\..\pa_common\pa_cpuload.c
-CompileCpp=1
-Folder=portaudio
-Compile=1
-Link=1
-Priority=1000
-OverrideBuildCmd=0
-BuildCmd=$(CC) -c pa_cpuload.c -o ./pa_cpuload.o $(CFLAGS)
-
-[Unit7]
-FileName=..\..\pa_common\pa_dither.c
-CompileCpp=1
-Folder=portaudio
-Compile=1
-Link=1
-Priority=1000
-OverrideBuildCmd=0
-BuildCmd=$(CC) -c pa_dither.c -o ./pa_dither.o $(CFLAGS)
-
-[Unit8]
-FileName=..\..\pa_common\pa_front.c
-CompileCpp=1
-Folder=portaudio
-Compile=1
-Link=1
-Priority=1000
-OverrideBuildCmd=0
-BuildCmd=$(CC) -c pa_front.c -o ./pa_front.o $(CFLAGS)
-
-[Unit9]
-FileName=..\..\pa_common\pa_process.c
-CompileCpp=1
-Folder=portaudio
-Compile=1
-Link=1
-Priority=1000
-OverrideBuildCmd=0
-BuildCmd=$(CC) -c pa_process.c -o ./pa_process.o $(CFLAGS)
-
-[VersionInfo]
-Major=0
-Minor=1
-Release=1
-Build=1
-LanguageID=1033
-CharsetID=1252
-CompanyName=
-FileVersion=
-FileDescription=Developed using the Dev-C++ IDE
-InternalName=
-LegalCopyright=
-LegalTrademarks=
-OriginalFilename=
-ProductName=
-ProductVersion=
-AutoIncBuildNr=0
-
-[Unit10]
-FileName=..\..\pa_asio\pa_asio.cpp
-CompileCpp=1
-Folder=portaudio
-Compile=1
-Link=1
-Priority=1000
-OverrideBuildCmd=0
-BuildCmd=$(CPP) -c pa_asio.cpp -o ./pa_asio.o $(CXXFLAGS)
-
-[Unit11]
-FileName=..\pa_win_util.c
-CompileCpp=1
-Folder=portaudio
-Compile=1
-Link=1
-Priority=1000
-OverrideBuildCmd=0
-BuildCmd=$(CC) -c pa_win_util.c -o ./pa_win_util.o $(CFLAGS)
-
-[Unit12]
-FileName=..\pa_win_hostapis.c
-CompileCpp=1
-Folder=portaudio
-Compile=1
-Link=1
-Priority=1000
-OverrideBuildCmd=0
-BuildCmd=$(CC) -c pa_win_hostapis.c -o ./pa_win_hostapis.o $(CFLAGS)
-
-[Unit13]
-FileName=..\..\pa_win_ds\pa_win_ds.c
-CompileCpp=1
-Folder=portaudio
-Compile=1
-Link=1
-Priority=1000
-OverrideBuildCmd=0
-BuildCmd=$(CC) -c pa_win_ds.c -o ./pa_win_ds.o $(CFLAGS)
-
-[Unit14]
-FileName=..\..\pa_win_ds\dsound_wrapper.c
-CompileCpp=1
-Folder=portaudio
-Compile=1
-Link=1
-Priority=1000
-OverrideBuildCmd=0
-BuildCmd=$(CC) -c dsound_wrapper.c -o ./dsound_wrapper.o $(CFLAGS)
-
-[Unit15]
-FileName=..\..\pa_win_wmme\pa_win_wmme.c
-CompileCpp=1
-Folder=portaudio
-Compile=1
-Link=1
-Priority=1000
-OverrideBuildCmd=0
-BuildCmd=$(CC) -c pa_win_wmme.c -o ./pa_win_wmme.o $(CFLAGS)
-
-[Unit16]
-FileName=..\..\pa_asio\iasiothiscallresolver.cpp
-CompileCpp=1
-Folder=portaudio
-Compile=1
-Link=1
-Priority=1000
-OverrideBuildCmd=0
-BuildCmd=
-
diff --git a/src/audio/portaudio/pa_win/dev-cpp/portaudio-static.dev b/src/audio/portaudio/pa_win/dev-cpp/portaudio-static.dev
deleted file mode 100644
index 2aae584df4..0000000000
--- a/src/audio/portaudio/pa_win/dev-cpp/portaudio-static.dev
+++ /dev/null
@@ -1,209 +0,0 @@
-[Project]
-FileName=portaudio-static.dev
-Name=portaudio-static
-UnitCount=16
-Type=2
-Ver=1
-ObjFiles=
-Includes=..\..\..\asiosdk2;..\..\..\asiosdk2\common;..\..\..\asiosdk2\host;..\..\..\asiosdk2\host\pc;..\..\pa_common
-Libs=
-PrivateResource=
-ResourceIncludes=
-MakeIncludes=
-Compiler=-O3_@@_
-CppCompiler=-O3_@@_
-Linker=-O3 -s_@@_
-IsCpp=1
-Icon=
-ExeOutput=.
-ObjectOutput=.
-OverrideOutput=0
-OverrideOutputName=portaudio.a
-HostApplication=
-Folders=
-CommandLine=
-IncludeVersionInfo=0
-SupportXPThemes=0
-CompilerSet=0
-CompilerSettings=0000000000000000000
-UseCustomMakefile=0
-CustomMakefile=
-
-[Unit1]
-FileName=..\..\pa_common\pa_skeleton.c
-CompileCpp=1
-Folder=portaudio
-Compile=1
-Link=1
-Priority=1000
-OverrideBuildCmd=0
-BuildCmd=$(CC) -c pa_skeleton.c -o ./pa_skeleton.o $(CFLAGS)
-
-[Unit2]
-FileName=..\..\pa_common\pa_stream.c
-CompileCpp=1
-Folder=portaudio
-Compile=1
-Link=1
-Priority=1000
-OverrideBuildCmd=0
-BuildCmd=$(CC) -c pa_stream.c -o ./pa_stream.o $(CFLAGS)
-
-[Unit3]
-FileName=..\..\pa_common\pa_trace.c
-CompileCpp=1
-Folder=portaudio
-Compile=1
-Link=1
-Priority=1000
-OverrideBuildCmd=0
-BuildCmd=$(CC) -c pa_trace.c -o ./pa_trace.o $(CFLAGS)
-
-[Unit4]
-FileName=..\..\pa_common\pa_allocation.c
-CompileCpp=1
-Folder=portaudio
-Compile=1
-Link=1
-Priority=1000
-OverrideBuildCmd=0
-BuildCmd=$(CC) -c pa_allocation.c -o ./pa_allocation.o $(CFLAGS)
-
-[Unit5]
-FileName=..\..\pa_common\pa_converters.c
-CompileCpp=1
-Folder=portaudio
-Compile=1
-Link=1
-Priority=1000
-OverrideBuildCmd=0
-BuildCmd=$(CC) -c pa_converters.c -o ./pa_converters.o $(CFLAGS)
-
-[Unit6]
-FileName=..\..\pa_common\pa_cpuload.c
-CompileCpp=1
-Folder=portaudio
-Compile=1
-Link=1
-Priority=1000
-OverrideBuildCmd=0
-BuildCmd=$(CC) -c pa_cpuload.c -o ./pa_cpuload.o $(CFLAGS)
-
-[Unit7]
-FileName=..\..\pa_common\pa_dither.c
-CompileCpp=1
-Folder=portaudio
-Compile=1
-Link=1
-Priority=1000
-OverrideBuildCmd=0
-BuildCmd=$(CC) -c pa_dither.c -o ./pa_dither.o $(CFLAGS)
-
-[Unit8]
-FileName=..\..\pa_common\pa_front.c
-CompileCpp=1
-Folder=portaudio
-Compile=1
-Link=1
-Priority=1000
-OverrideBuildCmd=0
-BuildCmd=$(CC) -c pa_front.c -o ./pa_front.o $(CFLAGS)
-
-[Unit9]
-FileName=..\..\pa_common\pa_process.c
-CompileCpp=1
-Folder=portaudio
-Compile=1
-Link=1
-Priority=1000
-OverrideBuildCmd=0
-BuildCmd=$(CC) -c pa_process.c -o ./pa_process.o $(CFLAGS)
-
-[VersionInfo]
-Major=0
-Minor=1
-Release=1
-Build=1
-LanguageID=1033
-CharsetID=1252
-CompanyName=
-FileVersion=
-FileDescription=Developed using the Dev-C++ IDE
-InternalName=
-LegalCopyright=
-LegalTrademarks=
-OriginalFilename=
-ProductName=
-ProductVersion=
-AutoIncBuildNr=0
-
-[Unit10]
-FileName=..\..\pa_asio\pa_asio.cpp
-CompileCpp=1
-Folder=portaudio
-Compile=1
-Link=1
-Priority=1000
-OverrideBuildCmd=0
-BuildCmd=$(CPP) -c pa_asio.cpp -o ./pa_asio.o $(CXXFLAGS)
-
-[Unit11]
-FileName=..\..\pa_win\pa_win_util.c
-CompileCpp=1
-Folder=portaudio
-Compile=1
-Link=1
-Priority=1000
-OverrideBuildCmd=0
-BuildCmd=$(CC) -c pa_win_util.c -o ./pa_win_util.o $(CFLAGS)
-
-[Unit12]
-FileName=..\..\pa_win\pa_win_hostapis.c
-CompileCpp=1
-Folder=portaudio
-Compile=1
-Link=1
-Priority=1000
-OverrideBuildCmd=0
-BuildCmd=$(CC) -c pa_win_hostapis.c -o ./pa_win_hostapis.o $(CFLAGS)
-
-[Unit13]
-FileName=..\..\pa_win_ds\pa_win_ds.c
-CompileCpp=1
-Folder=portaudio
-Compile=1
-Link=1
-Priority=1000
-OverrideBuildCmd=0
-BuildCmd=$(CC) -c pa_win_ds.c -o ./pa_win_ds.o $(CFLAGS)
-
-[Unit14]
-FileName=..\..\pa_win_ds\dsound_wrapper.c
-CompileCpp=1
-Folder=portaudio
-Compile=1
-Link=1
-Priority=1000
-OverrideBuildCmd=0
-BuildCmd=$(CC) -c dsound_wrapper.c -o ./dsound_wrapper.o $(CFLAGS)
-
-[Unit15]
-FileName=..\..\pa_win_wmme\pa_win_wmme.c
-CompileCpp=1
-Folder=portaudio
-Compile=1
-Link=1
-Priority=1000
-OverrideBuildCmd=0
-BuildCmd=$(CC) -c pa_win_wmme.c -o ./pa_win_wmme.o $(CFLAGS)
-
-[Unit16]
-FileName=..\..\pa_asio\iasiothiscallresolver.cpp
-CompileCpp=1
-Folder=portaudio
-Compile=1
-Link=1
-Priority=1000
-OverrideBuildCmd=0
-BuildCmd=
-
diff --git a/src/audio/portaudio/pa_win/dev-cpp/readme.txt b/src/audio/portaudio/pa_win/dev-cpp/readme.txt
deleted file mode 100644
index 07108a7dde..0000000000
--- a/src/audio/portaudio/pa_win/dev-cpp/readme.txt
+++ /dev/null
@@ -1,23 +0,0 @@
-From: "Peter L Jones"
-Sent: Wednesday, September 17, 2003 5:18 AM
-Subject: Dev-C++ project files
-
-I attach two project files intended for portaudio/pa_win/dev-cpp (i.e. in
-parallel with the msvc directory), if you want them. One is for a static
-library build and one for a DLL. I've used the static library (in building
-a single monolithic DLL) but I can't guarantee the DLL version will build a
-working library (I think it's mostly there, though!).
-
-I also attach the resulting makefiles, which may be of use to other MinGW
-users.
-
-They're rooted in the directory given above and drop their object and
-library files in the same place. They assume the asiosdk2 files are in the
-same directory as portaudio/ in a sub-directory called asiosdk2/. Oh! The
-DLL is built against a static asiosdk2.a library... maybe not the best way
-to do it... I ought to figure out how to link against a "home made" dll in
-Dev-C++, I guess ;-)
-
-Cheers,
-
--- Peter
diff --git a/src/audio/portaudio/pa_win/msvc/Makefile.msvc b/src/audio/portaudio/pa_win/msvc/Makefile.msvc
deleted file mode 100644
index 2f1a104e7a..0000000000
--- a/src/audio/portaudio/pa_win/msvc/Makefile.msvc
+++ /dev/null
@@ -1,159 +0,0 @@
-# Portaudio v1.9-devel VC6 DLL makefile 1.0
-#
-# David Viens, davidv@plogue.com
-# (im far from a VC6 makefile expert, so please bear with me :)
-#
-# For more info, look at readme.txt
-#
-#if you keep the ASIODIR as ".", it will use the SDK files that direclty in "pa_win/msvc" dir
-ASIODIR=.
-ASIOINC=/I ".\host" /I ".\host\pc" /I ".\common"
-#
-
-LIBZ=kernel32.lib user32.lib gdi32.lib wininet.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib winmm.lib dsound.lib dxguid.lib
-
-CPP=cl.exe
-LINK32=link.exe
-
-#release
-CFLAGS=/nologo /MD /W3 /GX /O2 /Ob2 /I "src" /I "Win32" /I "$(MSVCDir)\Include" /D "WIN32" /D "NDEBUG" /D "_USRDLL" /YX /FD
-DLL_LINK_FLAGS= /nologo /dll /incremental:no /libpath:"$(MSVCDir)\Lib" $(LIBZ) /pdb:"portaudio.pdb" /implib:".\portaudio.lib" /machine:I386 /out:"portaudio.dll"
-
-
-COMMONINC=/I "..\..\pa_common" /I "."
-
-#====================================================================
-# Targets
-
-ALL : portaudio.dll
-
-CLEAN :
- -@erase "*.obj"
-
-#====================================================================
-
-
-LINK32_OBJS= \
- ".\pa_allocation.obj" \
- ".\pa_converters.obj" \
- ".\pa_x86_plain_converters.obj" \
-# ".\pa_cppHelp.obj" \
- ".\pa_cpuload.obj" \
- ".\pa_dither.obj" \
- ".\pa_front.obj" \
- ".\pa_process.obj" \
- ".\pa_skeleton.obj" \
- ".\pa_stream.obj" \
- ".\pa_trace.obj" \
-#
- ".\pa_win_hostapis.obj" \
- ".\pa_win_util.obj" \
-#
- ".\pa_win_wmme.obj" \
-#
- ".\pa_win_ds.obj" \
- ".\dsound_wrapper.obj" \
-#
- ".\pa_asio.obj" \
-#
- ".\asio.obj" \
- ".\ASIOConvertSamples.obj" \
- ".\asiodrivers.obj" \
- ".\asiolist.obj" \
- ".\combase.obj" \
- ".\debugmessage.obj" \
-# ".\dllentry.obj" \
- ".\register.obj"
-
-
-portaudio.dll : $(LINK32_OBJS) ".\portaudio.def"
- $(LINK32) $(DLL_LINK_FLAGS) /def:".\portaudio.def" $(LINK32_OBJS)
-
-#====================================================================
-# asio files (need to agree to steinberg agreement)
-# this makefile assumes all files have being copied in the pa_win/msvc dir (for now)
-# see readme.txt for details
-
-".\asio.obj" : ".\common\asio.cpp"
- $(CPP) $(CFLAGS) $(ASIOINC) /Fo".\asio.obj" /c ".\common\asio.cpp"
-
-".\ASIOConvertSamples.obj" : ".\host\ASIOConvertSamples.cpp"
- $(CPP) $(CFLAGS) $(ASIOINC) /Fo".\ASIOConvertSamples.obj" /c ".\host\ASIOConvertSamples.cpp"
-
-".\asiodrivers.obj" : ".\host\asiodrivers.cpp"
- $(CPP) $(CFLAGS) $(ASIOINC) /Fo".\asiodrivers.obj" /c ".\host\asiodrivers.cpp"
-
-".\asiolist.obj" : ".\host\pc\asiolist.cpp"
- $(CPP) $(CFLAGS) $(ASIOINC) /Fo".\asiolist.obj" /c ".\host\pc\asiolist.cpp"
-
-".\combase.obj" : ".\common\combase.cpp"
- $(CPP) $(CFLAGS) $(ASIOINC) /Fo".\combase.obj" /c ".\common\combase.cpp"
-
-".\debugmessage.obj" : ".\common\debugmessage.cpp"
- $(CPP) $(CFLAGS) $(ASIOINC) /Fo".\debugmessage.obj" /c ".\common\debugmessage.cpp"
-
-".\register.obj" : ".\common\register.cpp"
- $(CPP) $(CFLAGS) $(ASIOINC) /Fo".\register.obj" /c ".\common\register.cpp"
-
-#====================================================================
-# Portaudio Common
-#
-".\pa_allocation.obj" : "..\..\pa_common\pa_allocation.c"
- $(CPP) $(CFLAGS) $(COMMONINC) /Fo".\pa_allocation.obj" /c "..\..\pa_common\pa_allocation.c"
-
-".\pa_converters.obj" : "..\..\pa_common\pa_converters.c"
- $(CPP) $(CFLAGS) $(COMMONINC) /Fo".\pa_converters.obj" /c "..\..\pa_common\pa_converters.c"
-
-".\pa_cppHelp.obj" : "..\..\pa_common\pa_cppHelp.cpp"
- $(CPP) $(CFLAGS) $(COMMONINC) /Fo".\pa_cppHelp.obj" /c "..\..\pa_common\pa_cppHelp.cpp"
-
-".\pa_cpuload.obj" : "..\..\pa_common\pa_cpuload.c"
- $(CPP) $(CFLAGS) $(COMMONINC) /Fo".\pa_cpuload.obj" /c "..\..\pa_common\pa_cpuload.c"
-
-".\pa_dither.obj" : "..\..\pa_common\pa_dither.c"
- $(CPP) $(CFLAGS) $(COMMONINC) /Fo".\pa_dither.obj" /c "..\..\pa_common\pa_dither.c"
-
-".\pa_front.obj" : "..\..\pa_common\pa_front.c"
- $(CPP) $(CFLAGS) $(COMMONINC) /Fo".\pa_front.obj" /c "..\..\pa_common\pa_front.c"
-
-".\pa_process.obj" : "..\..\pa_common\pa_process.c"
- $(CPP) $(CFLAGS) $(COMMONINC) /Fo".\pa_process.obj" /c "..\..\pa_common\pa_process.c"
-
-".\pa_skeleton.obj" : "..\..\pa_common\pa_skeleton.c"
- $(CPP) $(CFLAGS) $(COMMONINC) /Fo".\pa_skeleton.obj" /c "..\..\pa_common\pa_skeleton.c"
-
-".\pa_stream.obj" : "..\..\pa_common\pa_stream.c"
- $(CPP) $(CFLAGS) $(COMMONINC) /Fo".\pa_stream.obj" /c "..\..\pa_common\pa_stream.c"
-
-".\pa_trace.obj" : "..\..\pa_common\pa_trace.c"
- $(CPP) $(CFLAGS) $(COMMONINC) /Fo".\pa_trace.obj" /c "..\..\pa_common\pa_trace.c"
-
-#====================================================================
-# Portaudio implementations
-#
-
-".\pa_win_hostapis.obj" : "..\..\pa_win\pa_win_hostapis.c"
- $(CPP) $(CFLAGS) $(COMMONINC) /Fo".\pa_win_hostapis.obj" /c "..\..\pa_win\pa_win_hostapis.c"
-
-".\pa_win_util.obj" : "..\..\pa_win\pa_win_util.c"
- $(CPP) $(CFLAGS) $(COMMONINC) /Fo".\pa_win_util.obj" /c "..\..\pa_win\pa_win_util.c"
-
-".\pa_x86_plain_converters.obj" : "..\..\pa_win\pa_x86_plain_converters.c"
- $(CPP) $(CFLAGS) $(COMMONINC) /Fo".\pa_x86_plain_converters.obj" /c "..\..\pa_win\pa_x86_plain_converters.c"
-
-".\pa_asio.obj" : "..\..\pa_asio\pa_asio.cpp"
- $(CPP) $(CFLAGS) $(ASIOINC) $(COMMONINC) /Fo".\pa_asio.obj" /c "..\..\pa_asio\pa_asio.cpp"
-
-".\pa_win_wmme.obj" : "..\..\pa_win_wmme\pa_win_wmme.c"
- $(CPP) $(CFLAGS) $(COMMONINC) /Fo".\pa_win_wmme.obj" /c "..\..\pa_win_wmme\pa_win_wmme.c"
-
-".\pa_win_ds.obj" : "..\..\pa_win_ds\pa_win_ds.c"
- $(CPP) $(CFLAGS) $(COMMONINC) /Fo".\pa_win_ds.obj" /c "..\..\pa_win_ds\pa_win_ds.c"
-
-".\dsound_wrapper.obj" : "..\..\pa_win_ds\dsound_wrapper.c"
- $(CPP) $(CFLAGS) $(COMMONINC) /Fo".\dsound_wrapper.obj" /c "..\..\pa_win_ds\dsound_wrapper.c"
-
-
-# End of Makefile
-#====================================================================
-#
\ No newline at end of file
diff --git a/src/audio/portaudio/pa_win/msvc/clean.bat b/src/audio/portaudio/pa_win/msvc/clean.bat
deleted file mode 100755
index 601c0d314d..0000000000
--- a/src/audio/portaudio/pa_win/msvc/clean.bat
+++ /dev/null
@@ -1,7 +0,0 @@
-del *.obj
-del *.dll
-del *.lib
-del *.exp
-del *.pch
-del *.idb
-
diff --git a/src/audio/portaudio/pa_win/msvc/make.bat b/src/audio/portaudio/pa_win/msvc/make.bat
deleted file mode 100755
index 34d6aed48a..0000000000
--- a/src/audio/portaudio/pa_win/msvc/make.bat
+++ /dev/null
@@ -1,8 +0,0 @@
-CALL C:\progra~1\micros~2\VC98\bin\vcvars32
-del *.dll
-del *.lib
-nmake Makefile.msvc
-del *.obj
-del *.exp
-del *.pch
-del *.idb
diff --git a/src/audio/portaudio/pa_win/msvc/portaudio.def b/src/audio/portaudio/pa_win/msvc/portaudio.def
deleted file mode 100644
index 97a1c3502b..0000000000
--- a/src/audio/portaudio/pa_win/msvc/portaudio.def
+++ /dev/null
@@ -1,43 +0,0 @@
-LIBRARY portaudio.dll
-EXPORTS
-
-;
-Pa_GetVersion @1
-Pa_GetVersionText @2
-Pa_GetErrorText @3
-Pa_Initialize @4
-Pa_Terminate @5
-Pa_GetHostApiCount @6
-Pa_GetDefaultHostApi @7
-Pa_GetHostApiInfo @8
-Pa_HostApiTypeIdToHostApiIndex @9
-Pa_HostApiDeviceIndexToDeviceIndex @10
-Pa_GetLastHostErrorInfo @11
-Pa_GetDeviceCount @12
-Pa_GetDefaultInputDevice @13
-Pa_GetDefaultOutputDevice @14
-Pa_GetDeviceInfo @15
-Pa_IsFormatSupported @16
-Pa_OpenStream @17
-Pa_OpenDefaultStream @18
-Pa_CloseStream @19
-Pa_SetStreamFinishedCallback @20
-Pa_StartStream @21
-Pa_StopStream @22
-Pa_AbortStream @23
-Pa_IsStreamStopped @24
-Pa_IsStreamActive @25
-Pa_GetStreamInfo @26
-Pa_GetStreamTime @27
-Pa_GetStreamCpuLoad @28
-Pa_ReadStream @29
-Pa_WriteStream @30
-Pa_GetStreamReadAvailable @31
-Pa_GetStreamWriteAvailable @32
-Pa_GetSampleSize @33
-Pa_Sleep @34
-PaAsio_GetAvailableLatencyValues @50
-PaAsio_ShowControlPanel @51
-PaUtil_InitializeX86PlainConverters @52
-PaAsio_GetInputChannelName @53
-PaAsio_GetOutputChannelName @54
\ No newline at end of file
diff --git a/src/audio/portaudio/pa_win/msvc/readme.txt b/src/audio/portaudio/pa_win/msvc/readme.txt
deleted file mode 100644
index 19ced4c4c2..0000000000
--- a/src/audio/portaudio/pa_win/msvc/readme.txt
+++ /dev/null
@@ -1,56 +0,0 @@
-Hello
-
- This is a small list of steps in order to build portaudio
-(Currently v19-devel) into a VC6 DLL and lib file.
-This DLL contains all 3 current win32 PA APIS (MM/DS/ASIO)
-
-1)Copy the source dirs that comes with the ASIO SDK inside pa_win\msvc
- so you should now have:
-
- pa_win\msvc\common
- pa_win\msvc\host
- pa_win\msvc\host\sample
- pa_win\msvc\host\pc
- pa_win\msvc\host\mac (not needed)
-
- You dont need "driver"
-
-
-2)execure "make.bat", this assumes VC6 is installed in
- C:\Program Files\Microsoft Visual Studio\
-
- if its not,
-
- Open a command Prompt and execute "vcvars32.bat" which sets the environment
- so that you can use Microsoft's "nmake"
- EX: C:\Program Files\Microsoft Visual Studio\VC98\Bin\vcvars32.bat
- or (C:\progra~1\micros~2\VC98\bin\vcvars32) dumb de dumb
-
- You should now have seen a line that said:
- "Setting environment for using Microsoft Visual C++ tools."
- While in pa_win\msvc , type "nmake makefile.msvc"
- this _should_ create portaudio.dll and portaudio.lib
-
-3)Now in any VC6 project, in which you require portaudio,
- you can just link with portaudio.lib, and of course include the
- relevant headers
- (portaudio.h, and/or pa_asio.h , pa_x86_plain_converters.h) See (*)
-
-4) Your new exe should now use portaudio.dll.
-
-
-Have fun!
-
-(*): you may want to add/remove some DLL entry points.
-Right now those 3 entries are _not_ from portaudio.h
-
-(from portaudio.def)
-(...)
-PaAsio_GetAvailableLatencyValues @50
-PaAsio_ShowControlPanel @51
-PaUtil_InitializeX86PlainConverters @52
-
-
------
-last update April 16th 2003
-David Viens, davidv@plogue.com
\ No newline at end of file
diff --git a/src/audio/portaudio/pa_win/msvc/setenv.bat b/src/audio/portaudio/pa_win/msvc/setenv.bat
deleted file mode 100755
index f4c815a783..0000000000
--- a/src/audio/portaudio/pa_win/msvc/setenv.bat
+++ /dev/null
@@ -1 +0,0 @@
-C:\progra~1\micros~2\VC98\bin\vcvars32
diff --git a/src/audio/portaudio/pa_win/pa_win_hostapis.c b/src/audio/portaudio/pa_win/pa_win_hostapis.c
deleted file mode 100644
index 5d5ac87f3a..0000000000
--- a/src/audio/portaudio/pa_win/pa_win_hostapis.c
+++ /dev/null
@@ -1,86 +0,0 @@
-/*
- * $Id$
- * Portable Audio I/O Library Windows initialization table
- *
- * Based on the Open Source API proposed by Ross Bencina
- * Copyright (c) 1999-2002 Ross Bencina, Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/** @file
- Win32 host API initialization function table.
-
- @todo Consider using PA_USE_WMME etc instead of PA_NO_WMME. This is what
- the Unix version does, we should consider being consistent.
-*/
-
-
-#include "pa_hostapi.h"
-
-#ifdef __cplusplus
-extern "C"
-{
-#endif /* __cplusplus */
-
-PaError PaSkeleton_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiIndex index );
-PaError PaWinMme_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiIndex index );
-PaError PaWinDs_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiIndex index );
-PaError PaAsio_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiIndex index );
-PaError PaWinWdm_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiIndex index );
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
-
-
-PaUtilHostApiInitializer *paHostApiInitializers[] =
- {
-
-#ifndef PA_NO_WMME
- PaWinMme_Initialize,
-#endif
-
-#ifndef PA_NO_DS
- PaWinDs_Initialize,
-#endif
-
-#ifndef PA_NO_ASIO
- PaAsio_Initialize,
-#endif
-
-/*
-#ifndef PA_NO_WDMKS
- PaWinWdm_Initialize,
-#endif
-*/
-
- PaSkeleton_Initialize, /* just for testing */
-
- 0 /* NULL terminated array */
- };
-
-
-int paDefaultHostApiIndex = 0;
-
diff --git a/src/audio/portaudio/pa_win/pa_win_util.c b/src/audio/portaudio/pa_win/pa_win_util.c
deleted file mode 100644
index 32d0dbb986..0000000000
--- a/src/audio/portaudio/pa_win/pa_win_util.c
+++ /dev/null
@@ -1,134 +0,0 @@
-/*
- * $Id$
- * Portable Audio I/O Library
- * Win32 platform-specific support functions
- *
- * Based on the Open Source API proposed by Ross Bencina
- * Copyright (c) 1999-2000 Ross Bencina
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/** @file
- Win32 platform-specific support functions.
-
- @todo Implement workaround for QueryPerformanceCounter() skipping forward
- bug. (see msdn kb Q274323).
-*/
-
-#include <windows.h>
-#include <mmsystem.h> /* for timeGetTime() */
-
-#include "pa_util.h"
-
-
-/*
- Track memory allocations to avoid leaks.
- */
-
-#if PA_TRACK_MEMORY
-static int numAllocations_ = 0;
-#endif
-
-
-void *PaUtil_AllocateMemory( long size )
-{
- void *result = GlobalAlloc( GPTR, size );
-
-#if PA_TRACK_MEMORY
- if( result != NULL ) numAllocations_ += 1;
-#endif
- return result;
-}
-
-
-void PaUtil_FreeMemory( void *block )
-{
- if( block != NULL )
- {
- GlobalFree( block );
-#if PA_TRACK_MEMORY
- numAllocations_ -= 1;
-#endif
-
- }
-}
-
-
-int PaUtil_CountCurrentlyAllocatedBlocks( void )
-{
-#if PA_TRACK_MEMORY
- return numAllocations_;
-#else
- return 0;
-#endif
-}
-
-
-void Pa_Sleep( long msec )
-{
- Sleep( msec );
-}
-
-static int usePerformanceCounter_;
-static double secondsPerTick_;
-
-void PaUtil_InitializeClock( void )
-{
- LARGE_INTEGER ticksPerSecond;
-
- if( QueryPerformanceFrequency( &ticksPerSecond ) != 0 )
- {
- usePerformanceCounter_ = 1;
- secondsPerTick_ = 1.0 / (double)ticksPerSecond.QuadPart;
- }
- else
- {
- usePerformanceCounter_ = 0;
- }
-}
-
-
-double PaUtil_GetTime( void )
-{
- LARGE_INTEGER time;
-
- if( usePerformanceCounter_ )
- {
- /* FIXME:
- according to this knowledge-base article, QueryPerformanceCounter
- can skip forward by seconds!
- http://support.microsoft.com/default.aspx?scid=KB;EN-US;Q274323&
-
- it may be better to use the rtdsc instruction using inline asm,
- however then a method is needed to calculate a ticks/seconds ratio.
- */
- QueryPerformanceCounter( &time );
- return time.QuadPart * secondsPerTick_;
- }
- else
- {
- return timeGetTime() * .001;
- }
-}
diff --git a/src/audio/portaudio/pa_win/pa_x86_plain_converters.c b/src/audio/portaudio/pa_win/pa_x86_plain_converters.c
deleted file mode 100644
index 98442a8c61..0000000000
--- a/src/audio/portaudio/pa_win/pa_x86_plain_converters.c
+++ /dev/null
@@ -1,1167 +0,0 @@
-#include "pa_x86_plain_converters.h"
-
-#include "pa_converters.h"
-#include "pa_dither.h"
-
-/*
- plain intel assemby versions of standard pa converter functions.
-
- the main reason these versions are faster than the equivalent C versions
- is that float -> int casting is expensive in C on x86 because the rounding
- mode needs to be changed for every cast. these versions only set
- the rounding mode once outside the loop.
-
- small additional speed gains are made by the way that clamping is
- implemented.
-
-TODO:
- o- inline dither code
- o- implement Dither only (no-clip) versions
- o- implement int8 and uint8 versions
- o- test thouroughly
-
- o- the packed 24 bit functions could benefit from unrolling and avoiding
- byte and word sized register access.
-*/
-
-/* -------------------------------------------------------------------------- */
-
-/*
-#define PA_CLIP_( val, min, max )\
- { val = ((val) < (min)) ? (min) : (((val) > (max)) ? (max) : (val)); }
-*/
-
-/*
- the following notes were used to determine whether a floating point
- value should be saturated (ie >1 or <-1) by loading it into an integer
- register. these should be rewritten so that they make sense.
-
- an ieee floating point value
-
- 1.xxxxxxxxxxxxxxxxxxxx?
-
-
- is less than or equal to 1 and greater than or equal to -1 either:
-
- if the mantissa is 0 and the unbiased exponent is 0
-
- OR
-
- if the unbiased exponent < 0
-
- this translates to:
-
- if the mantissa is 0 and the biased exponent is 7F
-
- or
-
- if the biased exponent is less than 7F
-
-
- therefore the value is greater than 1 or less than -1 if
-
- the mantissa is not 0 and the biased exponent is 7F
-
- or
-
- if the biased exponent is greater than 7F
-
-
- in other words, if we mask out the sign bit, the value is
- greater than 1 or less than -1 if its integer representation is greater than:
-
- 0 01111111 0000 0000 0000 0000 0000 000
-
- 0011 1111 1000 0000 0000 0000 0000 0000 => 0x3F800000
-*/
-
-/* -------------------------------------------------------------------------- */
-
-static const short fpuControlWord_ = 0x033F; /*round to nearest, 64 bit precision, all exceptions masked*/
-static const double int32Scaler_ = 0x7FFFFFFF;
-static const double ditheredInt32Scaler_ = 0x7FFFFFFE;
-static const double int24Scaler_ = 0x7FFFFF;
-static const double ditheredInt24Scaler_ = 0x7FFFFE;
-static const double int16Scaler_ = 0x7FFF;
-static const double ditheredInt16Scaler_ = 0x7FFE;
-
-#define PA_DITHER_BITS_ (15)
-/* Multiply by PA_FLOAT_DITHER_SCALE_ to get a float between -2.0 and +1.99999 */
-#define PA_FLOAT_DITHER_SCALE_ (1.0 / ((1<<PA_DITHER_BITS_)-1))
-static const float const_float_dither_scale_ = PA_FLOAT_DITHER_SCALE_;
-#define PA_DITHER_SHIFT_ ((32 - PA_DITHER_BITS_) + 1)
-
-/* -------------------------------------------------------------------------- */
-
-static void Float32_To_Int32(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, PaUtilTriangularDitherGenerator *ditherGenerator )
-{
-/*
- float *src = (float*)sourceBuffer;
- signed long *dest = (signed long*)destinationBuffer;
- (void)ditherGenerator; // unused parameter
-
- while( count-- )
- {
- // REVIEW
- double scaled = *src * 0x7FFFFFFF;
- *dest = (signed long) scaled;
-
- src += sourceStride;
- dest += destinationStride;
- }
-*/
-
- short savedFpuControlWord;
-
- (void) ditherGenerator; /* unused parameter */
-
-
- __asm{
- // esi -> source ptr
- // eax -> source byte stride
- // edi -> destination ptr
- // ebx -> destination byte stride
- // ecx -> source end ptr
- // edx -> temp
-
- mov esi, sourceBuffer
-
- mov edx, 4 // sizeof float32 and int32
- mov eax, sourceStride
- imul eax, edx
-
- mov ecx, count
- imul ecx, eax
- add ecx, esi
-
- mov edi, destinationBuffer
-
- mov ebx, destinationStride
- imul ebx, edx
-
- fwait
- fstcw savedFpuControlWord
- fldcw fpuControlWord_
-
- fld int32Scaler_ // stack: (int)0x7FFFFFFF
-
- Float32_To_Int32_loop:
-
- // load unscaled value into st(0)
- fld dword ptr [esi] // stack: value, (int)0x7FFFFFFF
- add esi, eax // increment source ptr
- //lea esi, [esi+eax]
- fmul st(0), st(1) // st(0) *= st(1), stack: value*0x7FFFFFFF, (int)0x7FFFFFFF
- /*
- note: we could store to a temporary qword here which would cause
- wraparound distortion instead of int indefinite 0x10. that would
- be more work, and given that not enabling clipping is only advisable
- when you know that your signal isn't going to clip it isn't worth it.
- */
- fistp dword ptr [edi] // pop st(0) into dest, stack: (int)0x7FFFFFFF
-
- add edi, ebx // increment destination ptr
- //lea edi, [edi+ebx]
-
- cmp esi, ecx // has src ptr reached end?
- jne Float32_To_Int32_loop
-
- ffree st(0)
- fincstp
-
- fwait
- fnclex
- fldcw savedFpuControlWord
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Float32_To_Int32_Clip(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, PaUtilTriangularDitherGenerator *ditherGenerator )
-{
-/*
- float *src = (float*)sourceBuffer;
- signed long *dest = (signed long*)destinationBuffer;
- (void) ditherGenerator; // unused parameter
-
- while( count-- )
- {
- // REVIEW
- double scaled = *src * 0x7FFFFFFF;
- PA_CLIP_( scaled, -2147483648., 2147483647. );
- *dest = (signed long) scaled;
-
- src += sourceStride;
- dest += destinationStride;
- }
-*/
-
- short savedFpuControlWord;
-
- (void) ditherGenerator; /* unused parameter */
-
- __asm{
- // esi -> source ptr
- // eax -> source byte stride
- // edi -> destination ptr
- // ebx -> destination byte stride
- // ecx -> source end ptr
- // edx -> temp
-
- mov esi, sourceBuffer
-
- mov edx, 4 // sizeof float32 and int32
- mov eax, sourceStride
- imul eax, edx
-
- mov ecx, count
- imul ecx, eax
- add ecx, esi
-
- mov edi, destinationBuffer
-
- mov ebx, destinationStride
- imul ebx, edx
-
- fwait
- fstcw savedFpuControlWord
- fldcw fpuControlWord_
-
- fld int32Scaler_ // stack: (int)0x7FFFFFFF
-
- Float32_To_Int32_Clip_loop:
-
- mov edx, dword ptr [esi] // load floating point value into integer register
-
- and edx, 0x7FFFFFFF // mask off sign
- cmp edx, 0x3F800000 // greater than 1.0 or less than -1.0
-
- jg Float32_To_Int32_Clip_clamp
-
- // load unscaled value into st(0)
- fld dword ptr [esi] // stack: value, (int)0x7FFFFFFF
- add esi, eax // increment source ptr
- //lea esi, [esi+eax]
- fmul st(0), st(1) // st(0) *= st(1), stack: value*0x7FFFFFFF, (int)0x7FFFFFFF
- fistp dword ptr [edi] // pop st(0) into dest, stack: (int)0x7FFFFFFF
- jmp Float32_To_Int32_Clip_stored
-
- Float32_To_Int32_Clip_clamp:
- mov edx, dword ptr [esi] // load floating point value into integer register
- shr edx, 31 // move sign bit into bit 0
- add esi, eax // increment source ptr
- //lea esi, [esi+eax]
- add edx, 0x7FFFFFFF // convert to maximum range integers
- mov dword ptr [edi], edx
-
- Float32_To_Int32_Clip_stored:
-
- //add edi, ebx // increment destination ptr
- lea edi, [edi+ebx]
-
- cmp esi, ecx // has src ptr reached end?
- jne Float32_To_Int32_Clip_loop
-
- ffree st(0)
- fincstp
-
- fwait
- fnclex
- fldcw savedFpuControlWord
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Float32_To_Int32_DitherClip(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, PaUtilTriangularDitherGenerator *ditherGenerator )
-{
- /*
- float *src = (float*)sourceBuffer;
- signed long *dest = (signed long*)destinationBuffer;
-
- while( count-- )
- {
- // REVIEW
- double dither = PaUtil_GenerateFloatTriangularDither( ditherGenerator );
- // use smaller scaler to prevent overflow when we add the dither
- double dithered = ((double)*src * (2147483646.0)) + dither;
- PA_CLIP_( dithered, -2147483648., 2147483647. );
- *dest = (signed long) dithered;
-
-
- src += sourceStride;
- dest += destinationStride;
- }
- */
-
- short savedFpuControlWord;
-
- // spill storage:
- signed long sourceByteStride;
- signed long highpassedDither;
-
- // dither state:
- unsigned long ditherPrevious = ditherGenerator->previous;
- unsigned long ditherRandSeed1 = ditherGenerator->randSeed1;
- unsigned long ditherRandSeed2 = ditherGenerator->randSeed2;
-
- __asm{
- // esi -> source ptr
- // eax -> source byte stride
- // edi -> destination ptr
- // ebx -> destination byte stride
- // ecx -> source end ptr
- // edx -> temp
-
- mov esi, sourceBuffer
-
- mov edx, 4 // sizeof float32 and int32
- mov eax, sourceStride
- imul eax, edx
-
- mov ecx, count
- imul ecx, eax
- add ecx, esi
-
- mov edi, destinationBuffer
-
- mov ebx, destinationStride
- imul ebx, edx
-
- fwait
- fstcw savedFpuControlWord
- fldcw fpuControlWord_
-
- fld ditheredInt32Scaler_ // stack: int scaler
-
- Float32_To_Int32_DitherClip_loop:
-
- mov edx, dword ptr [esi] // load floating point value into integer register
-
- and edx, 0x7FFFFFFF // mask off sign
- cmp edx, 0x3F800000 // greater than 1.0 or less than -1.0
-
- jg Float32_To_Int32_DitherClip_clamp
-
- // load unscaled value into st(0)
- fld dword ptr [esi] // stack: value, int scaler
- add esi, eax // increment source ptr
- //lea esi, [esi+eax]
- fmul st(0), st(1) // st(0) *= st(1), stack: value*(int scaler), int scaler
-
- /*
- // call PaUtil_GenerateFloatTriangularDither with C calling convention
- mov sourceByteStride, eax // save eax
- mov sourceEnd, ecx // save ecx
- push ditherGenerator // pass ditherGenerator parameter on stack
- call PaUtil_GenerateFloatTriangularDither // stack: dither, value*(int scaler), int scaler
- pop edx // clear parameter off stack
- mov ecx, sourceEnd // restore ecx
- mov eax, sourceByteStride // restore eax
- */
-
- // generate dither
- mov sourceByteStride, eax // save eax
- mov edx, 196314165
- mov eax, ditherRandSeed1
- mul edx // eax:edx = eax * 196314165
- //add eax, 907633515
- lea eax, [eax+907633515]
- mov ditherRandSeed1, eax
- mov edx, 196314165
- mov eax, ditherRandSeed2
- mul edx // eax:edx = eax * 196314165
- //add eax, 907633515
- lea eax, [eax+907633515]
- mov edx, ditherRandSeed1
- shr edx, PA_DITHER_SHIFT_
- mov ditherRandSeed2, eax
- shr eax, PA_DITHER_SHIFT_
- //add eax, edx // eax -> current
- lea eax, [eax+edx]
- mov edx, ditherPrevious
- neg edx
- lea edx, [eax+edx] // highpass = current - previous
- mov highpassedDither, edx
- mov ditherPrevious, eax // previous = current
- mov eax, sourceByteStride // restore eax
- fild highpassedDither
- fmul const_float_dither_scale_
- // end generate dither, dither signal in st(0)
-
- faddp st(1), st(0) // stack: dither + value*(int scaler), int scaler
- fistp dword ptr [edi] // pop st(0) into dest, stack: int scaler
- jmp Float32_To_Int32_DitherClip_stored
-
- Float32_To_Int32_DitherClip_clamp:
- mov edx, dword ptr [esi] // load floating point value into integer register
- shr edx, 31 // move sign bit into bit 0
- add esi, eax // increment source ptr
- //lea esi, [esi+eax]
- add edx, 0x7FFFFFFF // convert to maximum range integers
- mov dword ptr [edi], edx
-
- Float32_To_Int32_DitherClip_stored:
-
- //add edi, ebx // increment destination ptr
- lea edi, [edi+ebx]
-
- cmp esi, ecx // has src ptr reached end?
- jne Float32_To_Int32_DitherClip_loop
-
- ffree st(0)
- fincstp
-
- fwait
- fnclex
- fldcw savedFpuControlWord
- }
-
- ditherGenerator->previous = ditherPrevious;
- ditherGenerator->randSeed1 = ditherRandSeed1;
- ditherGenerator->randSeed2 = ditherRandSeed2;
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Float32_To_Int24(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, PaUtilTriangularDitherGenerator *ditherGenerator )
-{
-/*
- float *src = (float*)sourceBuffer;
- unsigned char *dest = (unsigned char*)destinationBuffer;
- signed long temp;
-
- (void) ditherGenerator; // unused parameter
-
- while( count-- )
- {
- // convert to 32 bit and drop the low 8 bits
- double scaled = *src * 0x7FFFFFFF;
- temp = (signed long) scaled;
-
- dest[0] = (unsigned char)(temp >> 8);
- dest[1] = (unsigned char)(temp >> 16);
- dest[2] = (unsigned char)(temp >> 24);
-
- src += sourceStride;
- dest += destinationStride * 3;
- }
-*/
-
- short savedFpuControlWord;
-
- signed long tempInt32;
-
- (void) ditherGenerator; /* unused parameter */
-
- __asm{
- // esi -> source ptr
- // eax -> source byte stride
- // edi -> destination ptr
- // ebx -> destination byte stride
- // ecx -> source end ptr
- // edx -> temp
-
- mov esi, sourceBuffer
-
- mov edx, 4 // sizeof float32
- mov eax, sourceStride
- imul eax, edx
-
- mov ecx, count
- imul ecx, eax
- add ecx, esi
-
- mov edi, destinationBuffer
-
- mov edx, 3 // sizeof int24
- mov ebx, destinationStride
- imul ebx, edx
-
- fwait
- fstcw savedFpuControlWord
- fldcw fpuControlWord_
-
- fld int24Scaler_ // stack: (int)0x7FFFFF
-
- Float32_To_Int24_loop:
-
- // load unscaled value into st(0)
- fld dword ptr [esi] // stack: value, (int)0x7FFFFF
- add esi, eax // increment source ptr
- //lea esi, [esi+eax]
- fmul st(0), st(1) // st(0) *= st(1), stack: value*0x7FFFFF, (int)0x7FFFFF
- fistp tempInt32 // pop st(0) into tempInt32, stack: (int)0x7FFFFF
- mov edx, tempInt32
-
- mov byte ptr [edi], DL
- shr edx, 8
- //mov byte ptr [edi+1], DL
- //mov byte ptr [edi+2], DH
- mov word ptr [edi+1], DX
-
- //add edi, ebx // increment destination ptr
- lea edi, [edi+ebx]
-
- cmp esi, ecx // has src ptr reached end?
- jne Float32_To_Int24_loop
-
- ffree st(0)
- fincstp
-
- fwait
- fnclex
- fldcw savedFpuControlWord
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Float32_To_Int24_Clip(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, PaUtilTriangularDitherGenerator *ditherGenerator )
-{
-/*
- float *src = (float*)sourceBuffer;
- unsigned char *dest = (unsigned char*)destinationBuffer;
- signed long temp;
-
- (void) ditherGenerator; // unused parameter
-
- while( count-- )
- {
- // convert to 32 bit and drop the low 8 bits
- double scaled = *src * 0x7FFFFFFF;
- PA_CLIP_( scaled, -2147483648., 2147483647. );
- temp = (signed long) scaled;
-
- dest[0] = (unsigned char)(temp >> 8);
- dest[1] = (unsigned char)(temp >> 16);
- dest[2] = (unsigned char)(temp >> 24);
-
- src += sourceStride;
- dest += destinationStride * 3;
- }
-*/
-
- short savedFpuControlWord;
-
- signed long tempInt32;
-
- (void) ditherGenerator; /* unused parameter */
-
- __asm{
- // esi -> source ptr
- // eax -> source byte stride
- // edi -> destination ptr
- // ebx -> destination byte stride
- // ecx -> source end ptr
- // edx -> temp
-
- mov esi, sourceBuffer
-
- mov edx, 4 // sizeof float32
- mov eax, sourceStride
- imul eax, edx
-
- mov ecx, count
- imul ecx, eax
- add ecx, esi
-
- mov edi, destinationBuffer
-
- mov edx, 3 // sizeof int24
- mov ebx, destinationStride
- imul ebx, edx
-
- fwait
- fstcw savedFpuControlWord
- fldcw fpuControlWord_
-
- fld int24Scaler_ // stack: (int)0x7FFFFF
-
- Float32_To_Int24_Clip_loop:
-
- mov edx, dword ptr [esi] // load floating point value into integer register
-
- and edx, 0x7FFFFFFF // mask off sign
- cmp edx, 0x3F800000 // greater than 1.0 or less than -1.0
-
- jg Float32_To_Int24_Clip_clamp
-
- // load unscaled value into st(0)
- fld dword ptr [esi] // stack: value, (int)0x7FFFFF
- add esi, eax // increment source ptr
- //lea esi, [esi+eax]
- fmul st(0), st(1) // st(0) *= st(1), stack: value*0x7FFFFF, (int)0x7FFFFF
- fistp tempInt32 // pop st(0) into tempInt32, stack: (int)0x7FFFFF
- mov edx, tempInt32
- jmp Float32_To_Int24_Clip_store
-
- Float32_To_Int24_Clip_clamp:
- mov edx, dword ptr [esi] // load floating point value into integer register
- shr edx, 31 // move sign bit into bit 0
- add esi, eax // increment source ptr
- //lea esi, [esi+eax]
- add edx, 0x7FFFFF // convert to maximum range integers
-
- Float32_To_Int24_Clip_store:
-
- mov byte ptr [edi], DL
- shr edx, 8
- //mov byte ptr [edi+1], DL
- //mov byte ptr [edi+2], DH
- mov word ptr [edi+1], DX
-
- //add edi, ebx // increment destination ptr
- lea edi, [edi+ebx]
-
- cmp esi, ecx // has src ptr reached end?
- jne Float32_To_Int24_Clip_loop
-
- ffree st(0)
- fincstp
-
- fwait
- fnclex
- fldcw savedFpuControlWord
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Float32_To_Int24_DitherClip(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, PaUtilTriangularDitherGenerator *ditherGenerator )
-{
-/*
- float *src = (float*)sourceBuffer;
- unsigned char *dest = (unsigned char*)destinationBuffer;
- signed long temp;
-
- while( count-- )
- {
- // convert to 32 bit and drop the low 8 bits
-
- // FIXME: the dither amplitude here appears to be too small by 8 bits
- double dither = PaUtil_GenerateFloatTriangularDither( ditherGenerator );
- // use smaller scaler to prevent overflow when we add the dither
- double dithered = ((double)*src * (2147483646.0)) + dither;
- PA_CLIP_( dithered, -2147483648., 2147483647. );
-
- temp = (signed long) dithered;
-
- dest[0] = (unsigned char)(temp >> 8);
- dest[1] = (unsigned char)(temp >> 16);
- dest[2] = (unsigned char)(temp >> 24);
-
- src += sourceStride;
- dest += destinationStride * 3;
- }
-*/
-
- short savedFpuControlWord;
-
- // spill storage:
- signed long sourceByteStride;
- signed long highpassedDither;
-
- // dither state:
- unsigned long ditherPrevious = ditherGenerator->previous;
- unsigned long ditherRandSeed1 = ditherGenerator->randSeed1;
- unsigned long ditherRandSeed2 = ditherGenerator->randSeed2;
-
- signed long tempInt32;
-
- __asm{
- // esi -> source ptr
- // eax -> source byte stride
- // edi -> destination ptr
- // ebx -> destination byte stride
- // ecx -> source end ptr
- // edx -> temp
-
- mov esi, sourceBuffer
-
- mov edx, 4 // sizeof float32
- mov eax, sourceStride
- imul eax, edx
-
- mov ecx, count
- imul ecx, eax
- add ecx, esi
-
- mov edi, destinationBuffer
-
- mov edx, 3 // sizeof int24
- mov ebx, destinationStride
- imul ebx, edx
-
- fwait
- fstcw savedFpuControlWord
- fldcw fpuControlWord_
-
- fld ditheredInt24Scaler_ // stack: int scaler
-
- Float32_To_Int24_DitherClip_loop:
-
- mov edx, dword ptr [esi] // load floating point value into integer register
-
- and edx, 0x7FFFFFFF // mask off sign
- cmp edx, 0x3F800000 // greater than 1.0 or less than -1.0
-
- jg Float32_To_Int24_DitherClip_clamp
-
- // load unscaled value into st(0)
- fld dword ptr [esi] // stack: value, int scaler
- add esi, eax // increment source ptr
- //lea esi, [esi+eax]
- fmul st(0), st(1) // st(0) *= st(1), stack: value*(int scaler), int scaler
-
- /*
- // call PaUtil_GenerateFloatTriangularDither with C calling convention
- mov sourceByteStride, eax // save eax
- mov sourceEnd, ecx // save ecx
- push ditherGenerator // pass ditherGenerator parameter on stack
- call PaUtil_GenerateFloatTriangularDither // stack: dither, value*(int scaler), int scaler
- pop edx // clear parameter off stack
- mov ecx, sourceEnd // restore ecx
- mov eax, sourceByteStride // restore eax
- */
-
- // generate dither
- mov sourceByteStride, eax // save eax
- mov edx, 196314165
- mov eax, ditherRandSeed1
- mul edx // eax:edx = eax * 196314165
- //add eax, 907633515
- lea eax, [eax+907633515]
- mov ditherRandSeed1, eax
- mov edx, 196314165
- mov eax, ditherRandSeed2
- mul edx // eax:edx = eax * 196314165
- //add eax, 907633515
- lea eax, [eax+907633515]
- mov edx, ditherRandSeed1
- shr edx, PA_DITHER_SHIFT_
- mov ditherRandSeed2, eax
- shr eax, PA_DITHER_SHIFT_
- //add eax, edx // eax -> current
- lea eax, [eax+edx]
- mov edx, ditherPrevious
- neg edx
- lea edx, [eax+edx] // highpass = current - previous
- mov highpassedDither, edx
- mov ditherPrevious, eax // previous = current
- mov eax, sourceByteStride // restore eax
- fild highpassedDither
- fmul const_float_dither_scale_
- // end generate dither, dither signal in st(0)
-
- faddp st(1), st(0) // stack: dither * value*(int scaler), int scaler
- fistp tempInt32 // pop st(0) into tempInt32, stack: int scaler
- mov edx, tempInt32
- jmp Float32_To_Int24_DitherClip_store
-
- Float32_To_Int24_DitherClip_clamp:
- mov edx, dword ptr [esi] // load floating point value into integer register
- shr edx, 31 // move sign bit into bit 0
- add esi, eax // increment source ptr
- //lea esi, [esi+eax]
- add edx, 0x7FFFFF // convert to maximum range integers
-
- Float32_To_Int24_DitherClip_store:
-
- mov byte ptr [edi], DL
- shr edx, 8
- //mov byte ptr [edi+1], DL
- //mov byte ptr [edi+2], DH
- mov word ptr [edi+1], DX
-
- //add edi, ebx // increment destination ptr
- lea edi, [edi+ebx]
-
- cmp esi, ecx // has src ptr reached end?
- jne Float32_To_Int24_DitherClip_loop
-
- ffree st(0)
- fincstp
-
- fwait
- fnclex
- fldcw savedFpuControlWord
- }
-
- ditherGenerator->previous = ditherPrevious;
- ditherGenerator->randSeed1 = ditherRandSeed1;
- ditherGenerator->randSeed2 = ditherRandSeed2;
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Float32_To_Int16(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, PaUtilTriangularDitherGenerator *ditherGenerator )
-{
-/*
- float *src = (float*)sourceBuffer;
- signed short *dest = (signed short*)destinationBuffer;
- (void)ditherGenerator; // unused parameter
-
- while( count-- )
- {
-
- short samp = (short) (*src * (32767.0f));
- *dest = samp;
-
- src += sourceStride;
- dest += destinationStride;
- }
-*/
-
- short savedFpuControlWord;
-
- (void) ditherGenerator; /* unused parameter */
-
- __asm{
- // esi -> source ptr
- // eax -> source byte stride
- // edi -> destination ptr
- // ebx -> destination byte stride
- // ecx -> source end ptr
- // edx -> temp
-
- mov esi, sourceBuffer
-
- mov edx, 4 // sizeof float32
- mov eax, sourceStride
- imul eax, edx // source byte stride
-
- mov ecx, count
- imul ecx, eax
- add ecx, esi // source end ptr = count * source byte stride + source ptr
-
- mov edi, destinationBuffer
-
- mov edx, 2 // sizeof int16
- mov ebx, destinationStride
- imul ebx, edx // destination byte stride
-
- fwait
- fstcw savedFpuControlWord
- fldcw fpuControlWord_
-
- fld int16Scaler_ // stack: (int)0x7FFF
-
- Float32_To_Int16_loop:
-
- // load unscaled value into st(0)
- fld dword ptr [esi] // stack: value, (int)0x7FFF
- add esi, eax // increment source ptr
- //lea esi, [esi+eax]
- fmul st(0), st(1) // st(0) *= st(1), stack: value*0x7FFF, (int)0x7FFF
- fistp word ptr [edi] // store scaled int into dest, stack: (int)0x7FFF
-
- add edi, ebx // increment destination ptr
- //lea edi, [edi+ebx]
-
- cmp esi, ecx // has src ptr reached end?
- jne Float32_To_Int16_loop
-
- ffree st(0)
- fincstp
-
- fwait
- fnclex
- fldcw savedFpuControlWord
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Float32_To_Int16_Clip(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, PaUtilTriangularDitherGenerator *ditherGenerator )
-{
-/*
- float *src = (float*)sourceBuffer;
- signed short *dest = (signed short*)destinationBuffer;
- (void)ditherGenerator; // unused parameter
-
- while( count-- )
- {
- long samp = (signed long) (*src * (32767.0f));
- PA_CLIP_( samp, -0x8000, 0x7FFF );
- *dest = (signed short) samp;
-
- src += sourceStride;
- dest += destinationStride;
- }
-*/
-
- short savedFpuControlWord;
-
- (void) ditherGenerator; /* unused parameter */
-
- __asm{
- // esi -> source ptr
- // eax -> source byte stride
- // edi -> destination ptr
- // ebx -> destination byte stride
- // ecx -> source end ptr
- // edx -> temp
-
- mov esi, sourceBuffer
-
- mov edx, 4 // sizeof float32
- mov eax, sourceStride
- imul eax, edx // source byte stride
-
- mov ecx, count
- imul ecx, eax
- add ecx, esi // source end ptr = count * source byte stride + source ptr
-
- mov edi, destinationBuffer
-
- mov edx, 2 // sizeof int16
- mov ebx, destinationStride
- imul ebx, edx // destination byte stride
-
- fwait
- fstcw savedFpuControlWord
- fldcw fpuControlWord_
-
- fld int16Scaler_ // stack: (int)0x7FFF
-
- Float32_To_Int16_Clip_loop:
-
- mov edx, dword ptr [esi] // load floating point value into integer register
-
- and edx, 0x7FFFFFFF // mask off sign
- cmp edx, 0x3F800000 // greater than 1.0 or less than -1.0
-
- jg Float32_To_Int16_Clip_clamp
-
- // load unscaled value into st(0)
- fld dword ptr [esi] // stack: value, (int)0x7FFF
- add esi, eax // increment source ptr
- //lea esi, [esi+eax]
- fmul st(0), st(1) // st(0) *= st(1), stack: value*0x7FFF, (int)0x7FFF
- fistp word ptr [edi] // store scaled int into dest, stack: (int)0x7FFF
- jmp Float32_To_Int16_Clip_stored
-
- Float32_To_Int16_Clip_clamp:
- mov edx, dword ptr [esi] // load floating point value into integer register
- shr edx, 31 // move sign bit into bit 0
- add esi, eax // increment source ptr
- //lea esi, [esi+eax]
- add dx, 0x7FFF // convert to maximum range integers
- mov word ptr [edi], dx // store clamped into into dest
-
- Float32_To_Int16_Clip_stored:
-
- add edi, ebx // increment destination ptr
- //lea edi, [edi+ebx]
-
- cmp esi, ecx // has src ptr reached end?
- jne Float32_To_Int16_Clip_loop
-
- ffree st(0)
- fincstp
-
- fwait
- fnclex
- fldcw savedFpuControlWord
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-static void Float32_To_Int16_DitherClip(
- void *destinationBuffer, signed int destinationStride,
- void *sourceBuffer, signed int sourceStride,
- unsigned int count, PaUtilTriangularDitherGenerator *ditherGenerator )
-{
-/*
- float *src = (float*)sourceBuffer;
- signed short *dest = (signed short*)destinationBuffer;
- (void)ditherGenerator; // unused parameter
-
- while( count-- )
- {
-
- float dither = PaUtil_GenerateFloatTriangularDither( ditherGenerator );
- // use smaller scaler to prevent overflow when we add the dither
- float dithered = (*src * (32766.0f)) + dither;
- signed long samp = (signed long) dithered;
- PA_CLIP_( samp, -0x8000, 0x7FFF );
- *dest = (signed short) samp;
-
- src += sourceStride;
- dest += destinationStride;
- }
-*/
-
- short savedFpuControlWord;
-
- // spill storage:
- signed long sourceByteStride;
- signed long highpassedDither;
-
- // dither state:
- unsigned long ditherPrevious = ditherGenerator->previous;
- unsigned long ditherRandSeed1 = ditherGenerator->randSeed1;
- unsigned long ditherRandSeed2 = ditherGenerator->randSeed2;
-
- __asm{
- // esi -> source ptr
- // eax -> source byte stride
- // edi -> destination ptr
- // ebx -> destination byte stride
- // ecx -> source end ptr
- // edx -> temp
-
- mov esi, sourceBuffer
-
- mov edx, 4 // sizeof float32
- mov eax, sourceStride
- imul eax, edx // source byte stride
-
- mov ecx, count
- imul ecx, eax
- add ecx, esi // source end ptr = count * source byte stride + source ptr
-
- mov edi, destinationBuffer
-
- mov edx, 2 // sizeof int16
- mov ebx, destinationStride
- imul ebx, edx // destination byte stride
-
- fwait
- fstcw savedFpuControlWord
- fldcw fpuControlWord_
-
- fld ditheredInt16Scaler_ // stack: int scaler
-
- Float32_To_Int16_DitherClip_loop:
-
- mov edx, dword ptr [esi] // load floating point value into integer register
-
- and edx, 0x7FFFFFFF // mask off sign
- cmp edx, 0x3F800000 // greater than 1.0 or less than -1.0
-
- jg Float32_To_Int16_DitherClip_clamp
-
- // load unscaled value into st(0)
- fld dword ptr [esi] // stack: value, int scaler
- add esi, eax // increment source ptr
- //lea esi, [esi+eax]
- fmul st(0), st(1) // st(0) *= st(1), stack: value*(int scaler), int scaler
-
- /*
- // call PaUtil_GenerateFloatTriangularDither with C calling convention
- mov sourceByteStride, eax // save eax
- mov sourceEnd, ecx // save ecx
- push ditherGenerator // pass ditherGenerator parameter on stack
- call PaUtil_GenerateFloatTriangularDither // stack: dither, value*(int scaler), int scaler
- pop edx // clear parameter off stack
- mov ecx, sourceEnd // restore ecx
- mov eax, sourceByteStride // restore eax
- */
-
- // generate dither
- mov sourceByteStride, eax // save eax
- mov edx, 196314165
- mov eax, ditherRandSeed1
- mul edx // eax:edx = eax * 196314165
- //add eax, 907633515
- lea eax, [eax+907633515]
- mov ditherRandSeed1, eax
- mov edx, 196314165
- mov eax, ditherRandSeed2
- mul edx // eax:edx = eax * 196314165
- //add eax, 907633515
- lea eax, [eax+907633515]
- mov edx, ditherRandSeed1
- shr edx, PA_DITHER_SHIFT_
- mov ditherRandSeed2, eax
- shr eax, PA_DITHER_SHIFT_
- //add eax, edx // eax -> current
- lea eax, [eax+edx] // current = randSeed1>>x + randSeed2>>x
- mov edx, ditherPrevious
- neg edx
- lea edx, [eax+edx] // highpass = current - previous
- mov highpassedDither, edx
- mov ditherPrevious, eax // previous = current
- mov eax, sourceByteStride // restore eax
- fild highpassedDither
- fmul const_float_dither_scale_
- // end generate dither, dither signal in st(0)
-
- faddp st(1), st(0) // stack: dither * value*(int scaler), int scaler
- fistp word ptr [edi] // store scaled int into dest, stack: int scaler
- jmp Float32_To_Int16_DitherClip_stored
-
- Float32_To_Int16_DitherClip_clamp:
- mov edx, dword ptr [esi] // load floating point value into integer register
- shr edx, 31 // move sign bit into bit 0
- add esi, eax // increment source ptr
- //lea esi, [esi+eax]
- add dx, 0x7FFF // convert to maximum range integers
- mov word ptr [edi], dx // store clamped into into dest
-
- Float32_To_Int16_DitherClip_stored:
-
- add edi, ebx // increment destination ptr
- //lea edi, [edi+ebx]
-
- cmp esi, ecx // has src ptr reached end?
- jne Float32_To_Int16_DitherClip_loop
-
- ffree st(0)
- fincstp
-
- fwait
- fnclex
- fldcw savedFpuControlWord
- }
-
- ditherGenerator->previous = ditherPrevious;
- ditherGenerator->randSeed1 = ditherRandSeed1;
- ditherGenerator->randSeed2 = ditherRandSeed2;
-}
-
-/* -------------------------------------------------------------------------- */
-
-void PaUtil_InitializeX86PlainConverters( void )
-{
- paConverters.Float32_To_Int32 = Float32_To_Int32;
- paConverters.Float32_To_Int32_Clip = Float32_To_Int32_Clip;
- paConverters.Float32_To_Int32_DitherClip = Float32_To_Int32_DitherClip;
-
- paConverters.Float32_To_Int24 = Float32_To_Int24;
- paConverters.Float32_To_Int24_Clip = Float32_To_Int24_Clip;
- paConverters.Float32_To_Int24_DitherClip = Float32_To_Int24_DitherClip;
-
- paConverters.Float32_To_Int16 = Float32_To_Int16;
- paConverters.Float32_To_Int16_Clip = Float32_To_Int16_Clip;
- paConverters.Float32_To_Int16_DitherClip = Float32_To_Int16_DitherClip;
-}
-
-/* -------------------------------------------------------------------------- */
diff --git a/src/audio/portaudio/pa_win/pa_x86_plain_converters.h b/src/audio/portaudio/pa_win/pa_x86_plain_converters.h
deleted file mode 100644
index f56c710fda..0000000000
--- a/src/audio/portaudio/pa_win/pa_x86_plain_converters.h
+++ /dev/null
@@ -1,19 +0,0 @@
-#ifndef PA_X86_PLAIN_CONVERTERS_H
-#define PA_X86_PLAIN_CONVERTERS_H
-
-#ifdef __cplusplus
-extern "C"
-{
-#endif /* __cplusplus */
-
-
-/**
- @brief Install optimised converter functions suitable for all IA32 processors
-*/
-void PaUtil_InitializeX86PlainConverters( void );
-
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
-#endif /* PA_X86_PLAIN_CONVERTERS_H */
diff --git a/src/audio/portaudio/pa_win_ds/dsound_wrapper.c b/src/audio/portaudio/pa_win_ds/dsound_wrapper.c
deleted file mode 100644
index e29019a8d5..0000000000
--- a/src/audio/portaudio/pa_win_ds/dsound_wrapper.c
+++ /dev/null
@@ -1,616 +0,0 @@
-/*
- * $Id$
- * Simplified DirectSound interface.
- *
- * Author: Phil Burk & Robert Marsanyi
- *
- * PortAudio Portable Real-Time Audio Library
- * For more information see: http://www.softsynth.com/portaudio/
- * DirectSound Implementation
- * Copyright (c) 1999-2000 Phil Burk & Robert Marsanyi
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-#include <stdio.h>
-#include <stdlib.h>
-#include <math.h>
-
-#include "dsound_wrapper.h"
-#include "pa_trace.h"
-
-/*
- Rather than linking with dxguid.a or using "#define INITGUID" to force a
- header file to instantiate the required GUID(s), we define them directly
- below.
-*/
-#include <initguid.h> // needed for the DEFINE_GUID macro
-DEFINE_GUID(IID_IDirectSoundNotify, 0xb0210783, 0x89cd, 0x11d0, 0xaf, 0x8, 0x0, 0xa0, 0xc9, 0x25, 0xcd, 0x16);
-
-
-/************************************************************************************/
-DSoundEntryPoints dswDSoundEntryPoints = { 0, 0, 0, 0, 0, 0, 0 };
-/************************************************************************************/
-static HRESULT WINAPI DummyDirectSoundCreate(LPGUID lpcGuidDevice, LPDIRECTSOUND *ppDS, LPUNKNOWN pUnkOuter)
-{
- (void)lpcGuidDevice; /* unused parameter */
- (void)ppDS; /* unused parameter */
- (void)pUnkOuter; /* unused parameter */
- return E_NOTIMPL;
-}
-
-static HRESULT WINAPI DummyDirectSoundEnumerateW(LPDSENUMCALLBACKW lpDSEnumCallback, LPVOID lpContext)
-{
- (void)lpDSEnumCallback; /* unused parameter */
- (void)lpContext; /* unused parameter */
- return E_NOTIMPL;
-}
-
-static HRESULT WINAPI DummyDirectSoundEnumerateA(LPDSENUMCALLBACKA lpDSEnumCallback, LPVOID lpContext)
-{
- (void)lpDSEnumCallback; /* unused parameter */
- (void)lpContext; /* unused parameter */
- return E_NOTIMPL;
-}
-
-static HRESULT WINAPI DummyDirectSoundCaptureCreate(LPGUID lpcGUID, LPDIRECTSOUNDCAPTURE *lplpDSC, LPUNKNOWN pUnkOuter)
-{
- (void)lpcGUID; /* unused parameter */
- (void)lplpDSC; /* unused parameter */
- (void)pUnkOuter; /* unused parameter */
- return E_NOTIMPL;
-}
-
-static HRESULT WINAPI DummyDirectSoundCaptureEnumerateW(LPDSENUMCALLBACKW lpDSCEnumCallback, LPVOID lpContext)
-{
- (void)lpDSCEnumCallback; /* unused parameter */
- (void)lpContext; /* unused parameter */
- return E_NOTIMPL;
-}
-
-static HRESULT WINAPI DummyDirectSoundCaptureEnumerateA(LPDSENUMCALLBACKA lpDSCEnumCallback, LPVOID lpContext)
-{
- (void)lpDSCEnumCallback; /* unused parameter */
- (void)lpContext; /* unused parameter */
- return E_NOTIMPL;
-}
-/************************************************************************************/
-void DSW_InitializeDSoundEntryPoints(void)
-{
- dswDSoundEntryPoints.hInstance_ = LoadLibrary("dsound.dll");
- if( dswDSoundEntryPoints.hInstance_ != NULL )
- {
- dswDSoundEntryPoints.DirectSoundCreate =
- (HRESULT (WINAPI *)(LPGUID, LPDIRECTSOUND *, LPUNKNOWN))
- GetProcAddress( dswDSoundEntryPoints.hInstance_, "DirectSoundCreate" );
- if( dswDSoundEntryPoints.DirectSoundCreate == NULL )
- dswDSoundEntryPoints.DirectSoundCreate = DummyDirectSoundCreate;
-
- dswDSoundEntryPoints.DirectSoundEnumerateW =
- (HRESULT (WINAPI *)(LPDSENUMCALLBACKW, LPVOID))
- GetProcAddress( dswDSoundEntryPoints.hInstance_, "DirectSoundEnumerateW" );
- if( dswDSoundEntryPoints.DirectSoundEnumerateW == NULL )
- dswDSoundEntryPoints.DirectSoundEnumerateW = DummyDirectSoundEnumerateW;
-
- dswDSoundEntryPoints.DirectSoundEnumerateA =
- (HRESULT (WINAPI *)(LPDSENUMCALLBACKA, LPVOID))
- GetProcAddress( dswDSoundEntryPoints.hInstance_, "DirectSoundEnumerateA" );
- if( dswDSoundEntryPoints.DirectSoundEnumerateA == NULL )
- dswDSoundEntryPoints.DirectSoundEnumerateA = DummyDirectSoundEnumerateA;
-
- dswDSoundEntryPoints.DirectSoundCaptureCreate =
- (HRESULT (WINAPI *)(LPGUID, LPDIRECTSOUNDCAPTURE *, LPUNKNOWN))
- GetProcAddress( dswDSoundEntryPoints.hInstance_, "DirectSoundCaptureCreate" );
- if( dswDSoundEntryPoints.DirectSoundCaptureCreate == NULL )
- dswDSoundEntryPoints.DirectSoundCaptureCreate = DummyDirectSoundCaptureCreate;
-
- dswDSoundEntryPoints.DirectSoundCaptureEnumerateW =
- (HRESULT (WINAPI *)(LPDSENUMCALLBACKW, LPVOID))
- GetProcAddress( dswDSoundEntryPoints.hInstance_, "DirectSoundCaptureEnumerateW" );
- if( dswDSoundEntryPoints.DirectSoundCaptureEnumerateW == NULL )
- dswDSoundEntryPoints.DirectSoundCaptureEnumerateW = DummyDirectSoundCaptureEnumerateW;
-
- dswDSoundEntryPoints.DirectSoundCaptureEnumerateA =
- (HRESULT (WINAPI *)(LPDSENUMCALLBACKA, LPVOID))
- GetProcAddress( dswDSoundEntryPoints.hInstance_, "DirectSoundCaptureEnumerateA" );
- if( dswDSoundEntryPoints.DirectSoundCaptureEnumerateA == NULL )
- dswDSoundEntryPoints.DirectSoundCaptureEnumerateA = DummyDirectSoundCaptureEnumerateA;
- }
- else
- {
- /* initialize with dummy entry points to make live easy when ds isn't present */
- dswDSoundEntryPoints.DirectSoundCreate = DummyDirectSoundCreate;
- dswDSoundEntryPoints.DirectSoundEnumerateW = DummyDirectSoundEnumerateW;
- dswDSoundEntryPoints.DirectSoundEnumerateA = DummyDirectSoundEnumerateA;
- dswDSoundEntryPoints.DirectSoundCaptureCreate = DummyDirectSoundCaptureCreate;
- dswDSoundEntryPoints.DirectSoundCaptureEnumerateW = DummyDirectSoundCaptureEnumerateW;
- dswDSoundEntryPoints.DirectSoundCaptureEnumerateA = DummyDirectSoundCaptureEnumerateA;
- }
-}
-/************************************************************************************/
-void DSW_TerminateDSoundEntryPoints(void)
-{
- if( dswDSoundEntryPoints.hInstance_ != NULL )
- {
- FreeLibrary( dswDSoundEntryPoints.hInstance_ );
- dswDSoundEntryPoints.hInstance_ = NULL;
- /* ensure that we crash reliably if the entry points arent initialised */
- dswDSoundEntryPoints.DirectSoundCreate = 0;
- dswDSoundEntryPoints.DirectSoundEnumerateW = 0;
- dswDSoundEntryPoints.DirectSoundEnumerateA = 0;
- dswDSoundEntryPoints.DirectSoundCaptureCreate = 0;
- dswDSoundEntryPoints.DirectSoundCaptureEnumerateW = 0;
- dswDSoundEntryPoints.DirectSoundCaptureEnumerateA = 0;
- }
-}
-/************************************************************************************/
-void DSW_Term( DSoundWrapper *dsw )
-{
- // Cleanup the sound buffers
- if (dsw->dsw_OutputBuffer)
- {
- IDirectSoundBuffer_Stop( dsw->dsw_OutputBuffer );
- IDirectSoundBuffer_Release( dsw->dsw_OutputBuffer );
- dsw->dsw_OutputBuffer = NULL;
- }
-
- if (dsw->dsw_InputBuffer)
- {
- IDirectSoundCaptureBuffer_Stop( dsw->dsw_InputBuffer );
- IDirectSoundCaptureBuffer_Release( dsw->dsw_InputBuffer );
- dsw->dsw_InputBuffer = NULL;
- }
-
- if (dsw->dsw_pDirectSoundCapture)
- {
- IDirectSoundCapture_Release( dsw->dsw_pDirectSoundCapture );
- dsw->dsw_pDirectSoundCapture = NULL;
- }
-
- if (dsw->dsw_pDirectSound)
- {
- IDirectSound_Release( dsw->dsw_pDirectSound );
- dsw->dsw_pDirectSound = NULL;
- }
-}
-/************************************************************************************/
-HRESULT DSW_Init( DSoundWrapper *dsw )
-{
- memset( dsw, 0, sizeof(DSoundWrapper) );
- return 0;
-}
-/************************************************************************************/
-HRESULT DSW_InitOutputDevice( DSoundWrapper *dsw, LPGUID lpGUID )
-{
- // Create the DS object
- HRESULT hr = dswDSoundEntryPoints.DirectSoundCreate( lpGUID, &dsw->dsw_pDirectSound, NULL );
- if( hr != DS_OK ) return hr;
- return hr;
-}
-
-/************************************************************************************/
-HRESULT DSW_InitOutputBuffer( DSoundWrapper *dsw, unsigned long nFrameRate, WORD nChannels, int bytesPerBuffer )
-{
- DWORD dwDataLen;
- DWORD playCursor;
- HRESULT result;
- LPDIRECTSOUNDBUFFER pPrimaryBuffer;
- HWND hWnd;
- HRESULT hr;
- WAVEFORMATEX wfFormat;
- DSBUFFERDESC primaryDesc;
- DSBUFFERDESC secondaryDesc;
- unsigned char* pDSBuffData;
- LARGE_INTEGER counterFrequency;
-
- dsw->dsw_OutputSize = bytesPerBuffer;
- dsw->dsw_OutputRunning = FALSE;
- dsw->dsw_OutputUnderflows = 0;
- dsw->dsw_FramesWritten = 0;
- dsw->dsw_BytesPerOutputFrame = nChannels * sizeof(short);
-
- // We were using getForegroundWindow() but sometimes the ForegroundWindow may not be the
- // applications's window. Also if that window is closed before the Buffer is closed
- // then DirectSound can crash. (Thanks for Scott Patterson for reporting this.)
- // So we will use GetDesktopWindow() which was suggested by Miller Puckette.
- // hWnd = GetForegroundWindow();
- //
- // FIXME: The example code I have on the net creates a hidden window that
- // is managed by our code - I think we should do that - one hidden
- // window for the whole of Pa_DS
- //
- hWnd = GetDesktopWindow();
-
- // Set cooperative level to DSSCL_EXCLUSIVE so that we can get 16 bit output, 44.1 KHz.
- // Exclusize also prevents unexpected sounds from other apps during a performance.
- if ((hr = IDirectSound_SetCooperativeLevel( dsw->dsw_pDirectSound,
- hWnd, DSSCL_EXCLUSIVE)) != DS_OK)
- {
- return hr;
- }
-
- // -----------------------------------------------------------------------
- // Create primary buffer and set format just so we can specify our custom format.
- // Otherwise we would be stuck with the default which might be 8 bit or 22050 Hz.
- // Setup the primary buffer description
- ZeroMemory(&primaryDesc, sizeof(DSBUFFERDESC));
- primaryDesc.dwSize = sizeof(DSBUFFERDESC);
- primaryDesc.dwFlags = DSBCAPS_PRIMARYBUFFER; // all panning, mixing, etc done by synth
- primaryDesc.dwBufferBytes = 0;
- primaryDesc.lpwfxFormat = NULL;
- // Create the buffer
- if ((result = IDirectSound_CreateSoundBuffer( dsw->dsw_pDirectSound,
- &primaryDesc, &pPrimaryBuffer, NULL)) != DS_OK) return result;
- // Define the buffer format
- wfFormat.wFormatTag = WAVE_FORMAT_PCM;
- wfFormat.nChannels = nChannels;
- wfFormat.nSamplesPerSec = nFrameRate;
- wfFormat.wBitsPerSample = 8 * sizeof(short);
- wfFormat.nBlockAlign = (WORD)(wfFormat.nChannels * (wfFormat.wBitsPerSample / 8));
- wfFormat.nAvgBytesPerSec = wfFormat.nSamplesPerSec * wfFormat.nBlockAlign;
- wfFormat.cbSize = 0; /* No extended format info. */
- // Set the primary buffer's format
- if((result = IDirectSoundBuffer_SetFormat( pPrimaryBuffer, &wfFormat)) != DS_OK) return result;
-
- // ----------------------------------------------------------------------
- // Setup the secondary buffer description
- ZeroMemory(&secondaryDesc, sizeof(DSBUFFERDESC));
- secondaryDesc.dwSize = sizeof(DSBUFFERDESC);
- secondaryDesc.dwFlags = DSBCAPS_GLOBALFOCUS | DSBCAPS_GETCURRENTPOSITION2;
- secondaryDesc.dwBufferBytes = bytesPerBuffer;
- secondaryDesc.lpwfxFormat = &wfFormat;
- // Create the secondary buffer
- if ((result = IDirectSound_CreateSoundBuffer( dsw->dsw_pDirectSound,
- &secondaryDesc, &dsw->dsw_OutputBuffer, NULL)) != DS_OK) return result;
- // Lock the DS buffer
- if ((result = IDirectSoundBuffer_Lock( dsw->dsw_OutputBuffer, 0, dsw->dsw_OutputSize, (LPVOID*)&pDSBuffData,
- &dwDataLen, NULL, 0, 0)) != DS_OK) return result;
- // Zero the DS buffer
- ZeroMemory(pDSBuffData, dwDataLen);
- // Unlock the DS buffer
- if ((result = IDirectSoundBuffer_Unlock( dsw->dsw_OutputBuffer, pDSBuffData, dwDataLen, NULL, 0)) != DS_OK) return result;
- if( QueryPerformanceFrequency( &counterFrequency ) )
- {
- int framesInBuffer = bytesPerBuffer / (nChannels * sizeof(short));
- dsw->dsw_CounterTicksPerBuffer.QuadPart = (counterFrequency.QuadPart * framesInBuffer) / nFrameRate;
- }
- else
- {
- dsw->dsw_CounterTicksPerBuffer.QuadPart = 0;
- }
- // Let DSound set the starting write position because if we set it to zero, it looks like the
- // buffer is full to begin with. This causes a long pause before sound starts when using large buffers.
- hr = IDirectSoundBuffer_GetCurrentPosition( dsw->dsw_OutputBuffer, &playCursor, &dsw->dsw_WriteOffset );
- if( hr != DS_OK )
- {
- return hr;
- }
- dsw->dsw_FramesWritten = dsw->dsw_WriteOffset / dsw->dsw_BytesPerOutputFrame;
- /* printf("DSW_InitOutputBuffer: playCursor = %d, writeCursor = %d\n", playCursor, dsw->dsw_WriteOffset ); */
- return DS_OK;
-}
-
-/************************************************************************************/
-HRESULT DSW_StartOutput( DSoundWrapper *dsw )
-{
- HRESULT hr;
- QueryPerformanceCounter( &dsw->dsw_LastPlayTime );
- dsw->dsw_LastPlayCursor = 0;
- dsw->dsw_FramesPlayed = 0;
- hr = IDirectSoundBuffer_SetCurrentPosition( dsw->dsw_OutputBuffer, 0 );
- if( hr != DS_OK )
- {
- return hr;
- }
- // Start the buffer playback in a loop.
- if( dsw->dsw_OutputBuffer != NULL )
- {
- hr = IDirectSoundBuffer_Play( dsw->dsw_OutputBuffer, 0, 0, DSBPLAY_LOOPING );
- if( hr != DS_OK )
- {
- return hr;
- }
- dsw->dsw_OutputRunning = TRUE;
- }
-
- return 0;
-}
-/************************************************************************************/
-HRESULT DSW_StopOutput( DSoundWrapper *dsw )
-{
- // Stop the buffer playback
- if( dsw->dsw_OutputBuffer != NULL )
- {
- dsw->dsw_OutputRunning = FALSE;
- return IDirectSoundBuffer_Stop( dsw->dsw_OutputBuffer );
- }
- else return 0;
-}
-
-/************************************************************************************/
-HRESULT DSW_QueryOutputFilled( DSoundWrapper *dsw, long *bytesFilledPtr )
-{
- HRESULT hr;
- DWORD playCursor;
- DWORD writeCursor;
- long bytesFilled;
- // Query to see where play position is.
- // We don't need the writeCursor but sometimes DirectSound doesn't handle NULLS correctly
- // so let's pass a pointer just to be safe.
- hr = IDirectSoundBuffer_GetCurrentPosition( dsw->dsw_OutputBuffer, &playCursor, &writeCursor );
- if( hr != DS_OK )
- {
- return hr;
- }
- bytesFilled = dsw->dsw_WriteOffset - playCursor;
- if( bytesFilled < 0 ) bytesFilled += dsw->dsw_OutputSize; // unwrap offset
- *bytesFilledPtr = bytesFilled;
- return hr;
-}
-
-/************************************************************************************
- * Determine how much space can be safely written to in DS buffer.
- * Detect underflows and overflows.
- * Does not allow writing into safety gap maintained by DirectSound.
- */
-HRESULT DSW_QueryOutputSpace( DSoundWrapper *dsw, long *bytesEmpty )
-{
- HRESULT hr;
- DWORD playCursor;
- DWORD writeCursor;
- long numBytesEmpty;
- long playWriteGap;
- // Query to see how much room is in buffer.
- hr = IDirectSoundBuffer_GetCurrentPosition( dsw->dsw_OutputBuffer, &playCursor, &writeCursor );
- if( hr != DS_OK )
- {
- return hr;
- }
- // Determine size of gap between playIndex and WriteIndex that we cannot write into.
- playWriteGap = writeCursor - playCursor;
- if( playWriteGap < 0 ) playWriteGap += dsw->dsw_OutputSize; // unwrap
- /* DirectSound doesn't have a large enough playCursor so we cannot detect wrap-around. */
- /* Attempt to detect playCursor wrap-around and correct it. */
- if( dsw->dsw_OutputRunning && (dsw->dsw_CounterTicksPerBuffer.QuadPart != 0) )
- {
- /* How much time has elapsed since last check. */
- LARGE_INTEGER currentTime;
- LARGE_INTEGER elapsedTime;
- long bytesPlayed;
- long bytesExpected;
- long buffersWrapped;
- QueryPerformanceCounter( ¤tTime );
- elapsedTime.QuadPart = currentTime.QuadPart - dsw->dsw_LastPlayTime.QuadPart;
- dsw->dsw_LastPlayTime = currentTime;
- /* How many bytes does DirectSound say have been played. */
- bytesPlayed = playCursor - dsw->dsw_LastPlayCursor;
- if( bytesPlayed < 0 ) bytesPlayed += dsw->dsw_OutputSize; // unwrap
- dsw->dsw_LastPlayCursor = playCursor;
- /* Calculate how many bytes we would have expected to been played by now. */
- bytesExpected = (long) ((elapsedTime.QuadPart * dsw->dsw_OutputSize) / dsw->dsw_CounterTicksPerBuffer.QuadPart);
- buffersWrapped = (bytesExpected - bytesPlayed) / dsw->dsw_OutputSize;
- if( buffersWrapped > 0 )
- {
- playCursor += (buffersWrapped * dsw->dsw_OutputSize);
- bytesPlayed += (buffersWrapped * dsw->dsw_OutputSize);
- }
- /* Maintain frame output cursor. */
- dsw->dsw_FramesPlayed += (bytesPlayed / dsw->dsw_BytesPerOutputFrame);
- }
- numBytesEmpty = playCursor - dsw->dsw_WriteOffset;
- if( numBytesEmpty < 0 ) numBytesEmpty += dsw->dsw_OutputSize; // unwrap offset
- /* Have we underflowed? */
- if( numBytesEmpty > (dsw->dsw_OutputSize - playWriteGap) )
- {
- if( dsw->dsw_OutputRunning )
- {
- dsw->dsw_OutputUnderflows += 1;
- }
- dsw->dsw_WriteOffset = writeCursor;
- numBytesEmpty = dsw->dsw_OutputSize - playWriteGap;
- }
- *bytesEmpty = numBytesEmpty;
- return hr;
-}
-
-/************************************************************************************/
-HRESULT DSW_ZeroEmptySpace( DSoundWrapper *dsw )
-{
- HRESULT hr;
- LPBYTE lpbuf1 = NULL;
- LPBYTE lpbuf2 = NULL;
- DWORD dwsize1 = 0;
- DWORD dwsize2 = 0;
- long bytesEmpty;
- hr = DSW_QueryOutputSpace( dsw, &bytesEmpty ); // updates dsw_FramesPlayed
- if (hr != DS_OK) return hr;
- if( bytesEmpty == 0 ) return DS_OK;
- // Lock free space in the DS
- hr = IDirectSoundBuffer_Lock( dsw->dsw_OutputBuffer, dsw->dsw_WriteOffset, bytesEmpty, (void **) &lpbuf1, &dwsize1,
- (void **) &lpbuf2, &dwsize2, 0);
- if (hr == DS_OK)
- {
- // Copy the buffer into the DS
- ZeroMemory(lpbuf1, dwsize1);
- if(lpbuf2 != NULL)
- {
- ZeroMemory(lpbuf2, dwsize2);
- }
- // Update our buffer offset and unlock sound buffer
- dsw->dsw_WriteOffset = (dsw->dsw_WriteOffset + dwsize1 + dwsize2) % dsw->dsw_OutputSize;
- IDirectSoundBuffer_Unlock( dsw->dsw_OutputBuffer, lpbuf1, dwsize1, lpbuf2, dwsize2);
- dsw->dsw_FramesWritten += bytesEmpty / dsw->dsw_BytesPerOutputFrame;
- }
- return hr;
-}
-
-/************************************************************************************/
-HRESULT DSW_WriteBlock( DSoundWrapper *dsw, char *buf, long numBytes )
-{
- HRESULT hr;
- LPBYTE lpbuf1 = NULL;
- LPBYTE lpbuf2 = NULL;
- DWORD dwsize1 = 0;
- DWORD dwsize2 = 0;
- // Lock free space in the DS
- hr = IDirectSoundBuffer_Lock( dsw->dsw_OutputBuffer, dsw->dsw_WriteOffset, numBytes, (void **) &lpbuf1, &dwsize1,
- (void **) &lpbuf2, &dwsize2, 0);
- if (hr == DS_OK)
- {
- // Copy the buffer into the DS
- CopyMemory(lpbuf1, buf, dwsize1);
- if(lpbuf2 != NULL)
- {
- CopyMemory(lpbuf2, buf+dwsize1, dwsize2);
- }
- // Update our buffer offset and unlock sound buffer
- dsw->dsw_WriteOffset = (dsw->dsw_WriteOffset + dwsize1 + dwsize2) % dsw->dsw_OutputSize;
- IDirectSoundBuffer_Unlock( dsw->dsw_OutputBuffer, lpbuf1, dwsize1, lpbuf2, dwsize2);
- dsw->dsw_FramesWritten += numBytes / dsw->dsw_BytesPerOutputFrame;
- }
- return hr;
-}
-
-/************************************************************************************/
-DWORD DSW_GetOutputStatus( DSoundWrapper *dsw )
-{
- DWORD status;
- if (IDirectSoundBuffer_GetStatus( dsw->dsw_OutputBuffer, &status ) != DS_OK)
- return( DSERR_INVALIDPARAM );
- else
- return( status );
-}
-
-/* These routines are used to support audio input.
- * Do NOT compile these calls when using NT4 because it does
- * not support the entry points.
- */
-/************************************************************************************/
-HRESULT DSW_InitInputDevice( DSoundWrapper *dsw, LPGUID lpGUID )
-{
- HRESULT hr = dswDSoundEntryPoints.DirectSoundCaptureCreate( lpGUID, &dsw->dsw_pDirectSoundCapture, NULL );
- if( hr != DS_OK ) return hr;
- return hr;
-}
-/************************************************************************************/
-HRESULT DSW_InitInputBuffer( DSoundWrapper *dsw, unsigned long nFrameRate, WORD nChannels, int bytesPerBuffer )
-{
- DSCBUFFERDESC captureDesc;
- WAVEFORMATEX wfFormat;
- HRESULT result;
-
- dsw->dsw_BytesPerInputFrame = nChannels * sizeof(short);
-
- // Define the buffer format
- wfFormat.wFormatTag = WAVE_FORMAT_PCM;
- wfFormat.nChannels = nChannels;
- wfFormat.nSamplesPerSec = nFrameRate;
- wfFormat.wBitsPerSample = 8 * sizeof(short);
- wfFormat.nBlockAlign = (WORD)(wfFormat.nChannels * (wfFormat.wBitsPerSample / 8));
- wfFormat.nAvgBytesPerSec = wfFormat.nSamplesPerSec * wfFormat.nBlockAlign;
- wfFormat.cbSize = 0; /* No extended format info. */
- dsw->dsw_InputSize = bytesPerBuffer;
- // ----------------------------------------------------------------------
- // Setup the secondary buffer description
- ZeroMemory(&captureDesc, sizeof(DSCBUFFERDESC));
- captureDesc.dwSize = sizeof(DSCBUFFERDESC);
- captureDesc.dwFlags = 0;
- captureDesc.dwBufferBytes = bytesPerBuffer;
- captureDesc.lpwfxFormat = &wfFormat;
- // Create the capture buffer
- if ((result = IDirectSoundCapture_CreateCaptureBuffer( dsw->dsw_pDirectSoundCapture,
- &captureDesc, &dsw->dsw_InputBuffer, NULL)) != DS_OK) return result;
- dsw->dsw_ReadOffset = 0; // reset last read position to start of buffer
- return DS_OK;
-}
-
-/************************************************************************************/
-HRESULT DSW_StartInput( DSoundWrapper *dsw )
-{
- // Start the buffer playback
- if( dsw->dsw_InputBuffer != NULL )
- {
- return IDirectSoundCaptureBuffer_Start( dsw->dsw_InputBuffer, DSCBSTART_LOOPING );
- }
- else return 0;
-}
-
-/************************************************************************************/
-HRESULT DSW_StopInput( DSoundWrapper *dsw )
-{
- // Stop the buffer playback
- if( dsw->dsw_InputBuffer != NULL )
- {
- return IDirectSoundCaptureBuffer_Stop( dsw->dsw_InputBuffer );
- }
- else return 0;
-}
-
-/************************************************************************************/
-HRESULT DSW_QueryInputFilled( DSoundWrapper *dsw, long *bytesFilled )
-{
- HRESULT hr;
- DWORD capturePos;
- DWORD readPos;
- long filled;
- // Query to see how much data is in buffer.
- // We don't need the capture position but sometimes DirectSound doesn't handle NULLS correctly
- // so let's pass a pointer just to be safe.
- hr = IDirectSoundCaptureBuffer_GetCurrentPosition( dsw->dsw_InputBuffer, &capturePos, &readPos );
- if( hr != DS_OK )
- {
- return hr;
- }
- filled = readPos - dsw->dsw_ReadOffset;
- if( filled < 0 ) filled += dsw->dsw_InputSize; // unwrap offset
- *bytesFilled = filled;
- return hr;
-}
-
-/************************************************************************************/
-HRESULT DSW_ReadBlock( DSoundWrapper *dsw, char *buf, long numBytes )
-{
- HRESULT hr;
- LPBYTE lpbuf1 = NULL;
- LPBYTE lpbuf2 = NULL;
- DWORD dwsize1 = 0;
- DWORD dwsize2 = 0;
- // Lock free space in the DS
- hr = IDirectSoundCaptureBuffer_Lock ( dsw->dsw_InputBuffer, dsw->dsw_ReadOffset, numBytes, (void **) &lpbuf1, &dwsize1,
- (void **) &lpbuf2, &dwsize2, 0);
- if (hr == DS_OK)
- {
- // Copy from DS to the buffer
- CopyMemory( buf, lpbuf1, dwsize1);
- if(lpbuf2 != NULL)
- {
- CopyMemory( buf+dwsize1, lpbuf2, dwsize2);
- }
- // Update our buffer offset and unlock sound buffer
- dsw->dsw_ReadOffset = (dsw->dsw_ReadOffset + dwsize1 + dwsize2) % dsw->dsw_InputSize;
- IDirectSoundCaptureBuffer_Unlock ( dsw->dsw_InputBuffer, lpbuf1, dwsize1, lpbuf2, dwsize2);
- }
- return hr;
-}
-
diff --git a/src/audio/portaudio/pa_win_ds/dsound_wrapper.h b/src/audio/portaudio/pa_win_ds/dsound_wrapper.h
deleted file mode 100644
index 713f4a71de..0000000000
--- a/src/audio/portaudio/pa_win_ds/dsound_wrapper.h
+++ /dev/null
@@ -1,130 +0,0 @@
-#ifndef __DSOUND_WRAPPER_H
-#define __DSOUND_WRAPPER_H
-/*
- * $Id$
- * Simplified DirectSound interface.
- *
- * Author: Phil Burk & Robert Marsanyi
- *
- * For PortAudio Portable Real-Time Audio Library
- * For more information see: http://www.softsynth.com/portaudio/
- * DirectSound Implementation
- * Copyright (c) 1999-2000 Phil Burk & Robert Marsanyi
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-
-/* on Borland compilers, WIN32 doesn't seem to be defined by default, which
- breaks DSound.h. Adding the define here fixes the problem. - rossb. */
-#ifdef __BORLANDC__
-#if !defined(WIN32)
-#define WIN32
-#endif
-#endif
-
-/*
- We are only using DX3 in here, no need to polute the namespace - davidv
-*/
-#define DIRECTSOUND_VERSION 0x0300
-
-#include <DSound.h>
-
-#ifdef __cplusplus
-extern "C"
-{
-#endif /* __cplusplus */
-
-
-typedef struct
-{
- HINSTANCE hInstance_;
-
- HRESULT (WINAPI *DirectSoundCreate)(LPGUID, LPDIRECTSOUND *, LPUNKNOWN);
- HRESULT (WINAPI *DirectSoundEnumerateW)(LPDSENUMCALLBACKW, LPVOID);
- HRESULT (WINAPI *DirectSoundEnumerateA)(LPDSENUMCALLBACKA, LPVOID);
-
- HRESULT (WINAPI *DirectSoundCaptureCreate)(LPGUID, LPDIRECTSOUNDCAPTURE *, LPUNKNOWN);
- HRESULT (WINAPI *DirectSoundCaptureEnumerateW)(LPDSENUMCALLBACKW, LPVOID);
- HRESULT (WINAPI *DirectSoundCaptureEnumerateA)(LPDSENUMCALLBACKA, LPVOID);
-}DSoundEntryPoints;
-
-extern DSoundEntryPoints dswDSoundEntryPoints;
-
-void DSW_InitializeDSoundEntryPoints(void);
-void DSW_TerminateDSoundEntryPoints(void);
-
-#define DSW_NUM_POSITIONS (4)
-#define DSW_NUM_EVENTS (5)
-#define DSW_TERMINATION_EVENT (DSW_NUM_POSITIONS)
-
-typedef struct
-{
-/* Output */
- LPDIRECTSOUND dsw_pDirectSound;
- LPDIRECTSOUNDBUFFER dsw_OutputBuffer;
- DWORD dsw_WriteOffset; /* last write position */
- INT dsw_OutputSize;
- INT dsw_BytesPerOutputFrame;
- /* Try to detect play buffer underflows. */
- LARGE_INTEGER dsw_CounterTicksPerBuffer; /* counter ticks it should take to play a full buffer */
- LARGE_INTEGER dsw_LastPlayTime;
- UINT dsw_LastPlayCursor;
- UINT dsw_OutputUnderflows;
- BOOL dsw_OutputRunning;
- /* use double which lets us can play for several thousand years with enough precision */
- double dsw_FramesWritten;
- double dsw_FramesPlayed;
-/* Input */
- INT dsw_BytesPerInputFrame;
- LPDIRECTSOUNDCAPTURE dsw_pDirectSoundCapture;
- LPDIRECTSOUNDCAPTUREBUFFER dsw_InputBuffer;
- UINT dsw_ReadOffset; /* last read position */
- UINT dsw_InputSize;
-} DSoundWrapper;
-
-HRESULT DSW_Init( DSoundWrapper *dsw );
-void DSW_Term( DSoundWrapper *dsw );
-HRESULT DSW_InitOutputBuffer( DSoundWrapper *dsw, unsigned long nFrameRate,
- WORD nChannels, int bufSize );
-HRESULT DSW_StartOutput( DSoundWrapper *dsw );
-HRESULT DSW_StopOutput( DSoundWrapper *dsw );
-DWORD DSW_GetOutputStatus( DSoundWrapper *dsw );
-HRESULT DSW_WriteBlock( DSoundWrapper *dsw, char *buf, long numBytes );
-HRESULT DSW_ZeroEmptySpace( DSoundWrapper *dsw );
-HRESULT DSW_QueryOutputSpace( DSoundWrapper *dsw, long *bytesEmpty );
-HRESULT DSW_Enumerate( DSoundWrapper *dsw );
-
-HRESULT DSW_InitInputBuffer( DSoundWrapper *dsw, unsigned long nFrameRate,
- WORD nChannels, int bufSize );
-HRESULT DSW_StartInput( DSoundWrapper *dsw );
-HRESULT DSW_StopInput( DSoundWrapper *dsw );
-HRESULT DSW_ReadBlock( DSoundWrapper *dsw, char *buf, long numBytes );
-HRESULT DSW_QueryInputFilled( DSoundWrapper *dsw, long *bytesFilled );
-HRESULT DSW_QueryOutputFilled( DSoundWrapper *dsw, long *bytesFilled );
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
-#endif /* __DSOUND_WRAPPER_H */
diff --git a/src/audio/portaudio/pa_win_ds/pa_win_ds.c b/src/audio/portaudio/pa_win_ds/pa_win_ds.c
deleted file mode 100644
index 69e53a0657..0000000000
--- a/src/audio/portaudio/pa_win_ds/pa_win_ds.c
+++ /dev/null
@@ -1,1822 +0,0 @@
-/*
- * $Id$
- * Portable Audio I/O Library DirectSound implementation
- *
- * Based on the Open Source API proposed by Ross Bencina
- * Copyright (c) 1999-2002 Ross Bencina, Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/** @file
-
- @todo implement paInputOverflow callback status flag
-
- @todo implement paNeverDropInput.
-
- @todo implement host api specific extension to set i/o buffer sizes in frames
-
- @todo implement initialisation of PaDeviceInfo default*Latency fields (currently set to 0.)
-
- @todo implement ReadStream, WriteStream, GetStreamReadAvailable, GetStreamWriteAvailable
-
- @todo audit handling of DirectSound result codes - in many cases we could convert a HRESULT into
- a native portaudio error code. Standard DirectSound result codes are documented at msdn.
-
- @todo implement IsFormatSupported
-
- @todo check that CoInitialize() CoUninitialize() are always correctly
- paired, even in error cases.
-
- @todo call PaUtil_SetLastHostErrorInfo with a specific error string (currently just "DSound error").
-
- @todo make sure all buffers have been played before stopping the stream
- when the stream callback returns paComplete
-
- old TODOs from phil, need to work out if these have been done:
- O- fix "patest_stop.c"
-*/
-
-#include <stdio.h>
-#include <string.h> /* strlen() */
-
-#include "pa_util.h"
-#include "pa_allocation.h"
-#include "pa_hostapi.h"
-#include "pa_stream.h"
-#include "pa_cpuload.h"
-#include "pa_process.h"
-
-#include "dsound_wrapper.h"
-
-#if (defined(WIN32) && (defined(_MSC_VER) && (_MSC_VER >= 1200))) /* MSC version 6 and above */
-#pragma comment( lib, "dsound.lib" )
-#pragma comment( lib, "winmm.lib" )
-#endif
-
-
-#define PRINT(x) /* { printf x; fflush(stdout); } */
-#define ERR_RPT(x) PRINT(x)
-#define DBUG(x) /* PRINT(x) */
-#define DBUGX(x) /* PRINT(x) */
-
-#define PA_USE_HIGH_LATENCY (0)
-#if PA_USE_HIGH_LATENCY
-#define PA_WIN_9X_LATENCY (500)
-#define PA_WIN_NT_LATENCY (600)
-#else
-#define PA_WIN_9X_LATENCY (140)
-#define PA_WIN_NT_LATENCY (280)
-#endif
-
-#define PA_WIN_WDM_LATENCY (120)
-
-#define SECONDS_PER_MSEC (0.001)
-#define MSEC_PER_SECOND (1000)
-
-/* prototypes for functions declared in this file */
-
-#ifdef __cplusplus
-extern "C"
-{
-#endif /* __cplusplus */
-
-PaError PaWinDs_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiIndex index );
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
-
-static void Terminate( struct PaUtilHostApiRepresentation *hostApi );
-static PaError OpenStream( struct PaUtilHostApiRepresentation *hostApi,
- PaStream** s,
- const PaStreamParameters *inputParameters,
- const PaStreamParameters *outputParameters,
- double sampleRate,
- unsigned long framesPerBuffer,
- PaStreamFlags streamFlags,
- PaStreamCallback *streamCallback,
- void *userData );
-static PaError IsFormatSupported( struct PaUtilHostApiRepresentation *hostApi,
- const PaStreamParameters *inputParameters,
- const PaStreamParameters *outputParameters,
- double sampleRate );
-static PaError CloseStream( PaStream* stream );
-static PaError StartStream( PaStream *stream );
-static PaError StopStream( PaStream *stream );
-static PaError AbortStream( PaStream *stream );
-static PaError IsStreamStopped( PaStream *s );
-static PaError IsStreamActive( PaStream *stream );
-static PaTime GetStreamTime( PaStream *stream );
-static double GetStreamCpuLoad( PaStream* stream );
-static PaError ReadStream( PaStream* stream, void *buffer, unsigned long frames );
-static PaError WriteStream( PaStream* stream, const void *buffer, unsigned long frames );
-static signed long GetStreamReadAvailable( PaStream* stream );
-static signed long GetStreamWriteAvailable( PaStream* stream );
-
-
-/* FIXME: should convert hr to a string */
-#define PA_DS_SET_LAST_DIRECTSOUND_ERROR( hr ) \
- PaUtil_SetLastHostErrorInfo( paDirectSound, hr, "DirectSound error" )
-
-/************************************************* DX Prototypes **********/
-static BOOL CALLBACK CollectGUIDsProc(LPGUID lpGUID,
- LPCTSTR lpszDesc,
- LPCTSTR lpszDrvName,
- LPVOID lpContext );
-
-/************************************************************************************/
-/********************** Structures **************************************************/
-/************************************************************************************/
-/* PaWinDsHostApiRepresentation - host api datastructure specific to this implementation */
-
-typedef struct PaWinDsDeviceInfo
-{
- GUID guid;
- GUID *lpGUID;
- double sampleRates[3];
-} PaWinDsDeviceInfo;
-
-typedef struct
-{
- PaUtilHostApiRepresentation inheritedHostApiRep;
- PaUtilStreamInterface callbackStreamInterface;
- PaUtilStreamInterface blockingStreamInterface;
-
- PaUtilAllocationGroup *allocations;
-
- /* implementation specific data goes here */
- PaWinDsDeviceInfo *winDsDeviceInfos;
-
-} PaWinDsHostApiRepresentation;
-
-/* PaWinDsStream - a stream data structure specifically for this implementation */
-
-typedef struct PaWinDsStream
-{
- PaUtilStreamRepresentation streamRepresentation;
- PaUtilCpuLoadMeasurer cpuLoadMeasurer;
- PaUtilBufferProcessor bufferProcessor;
-
-/* DirectSound specific data. */
- DSoundWrapper directSoundWrapper;
- MMRESULT timerID;
- BOOL ifInsideCallback; /* Test for reentrancy. */
- int framesPerDSBuffer;
- double framesWritten;
- double secondsPerHostByte; /* Used to optimize latency calculation for outTime */
-
- PaStreamCallbackFlags callbackFlags;
-
-/* FIXME - move all below to PaUtilStreamRepresentation */
- volatile int isStarted;
- volatile int isActive;
- volatile int stopProcessing; /* stop thread once existing buffers have been returned */
- volatile int abortProcessing; /* stop thread immediately */
-} PaWinDsStream;
-
-
-/************************************************************************************
-** Duplicate the input string using the allocations allocator.
-** A NULL string is converted to a zero length string.
-** If memory cannot be allocated, NULL is returned.
-**/
-static char *DuplicateDeviceNameString( PaUtilAllocationGroup *allocations, const char* src )
-{
- char *result = 0;
-
- if( src != NULL )
- {
- size_t len = strlen(src);
- result = (char*)PaUtil_GroupAllocateMemory( allocations, (long)(len + 1) );
- if( result )
- memcpy( (void *) result, src, len+1 );
- }
- else
- {
- result = (char*)PaUtil_GroupAllocateMemory( allocations, 1 );
- if( result )
- result[0] = '\0';
- }
-
- return result;
-}
-
-/************************************************************************************
-** DSDeviceNameAndGUID, DSDeviceNameAndGUIDVector used for collecting preliminary
-** information during device enumeration.
-*/
-typedef struct DSDeviceNameAndGUID{
- char *name; // allocated from parent's allocations, never deleted by this structure
- GUID guid;
- LPGUID lpGUID;
-} DSDeviceNameAndGUID;
-
-typedef struct DSDeviceNameAndGUIDVector{
- PaUtilAllocationGroup *allocations;
- PaError enumerationError;
-
- int count;
- int free;
- DSDeviceNameAndGUID *items; // Allocated using LocalAlloc()
-} DSDeviceNameAndGUIDVector;
-
-static PaError InitializeDSDeviceNameAndGUIDVector(
- DSDeviceNameAndGUIDVector *guidVector, PaUtilAllocationGroup *allocations )
-{
- PaError result = paNoError;
-
- guidVector->allocations = allocations;
- guidVector->enumerationError = paNoError;
-
- guidVector->count = 0;
- guidVector->free = 8;
- guidVector->items = (DSDeviceNameAndGUID*)LocalAlloc( LMEM_FIXED, sizeof(DSDeviceNameAndGUID) * guidVector->free );
- if( guidVector->items == NULL )
- result = paInsufficientMemory;
-
- return result;
-}
-
-static PaError ExpandDSDeviceNameAndGUIDVector( DSDeviceNameAndGUIDVector *guidVector )
-{
- PaError result = paNoError;
- DSDeviceNameAndGUID *newItems;
- int i;
-
- /* double size of vector */
- int size = guidVector->count + guidVector->free;
- guidVector->free += size;
-
- newItems = (DSDeviceNameAndGUID*)LocalAlloc( LMEM_FIXED, sizeof(DSDeviceNameAndGUID) * size * 2 );
- if( newItems == NULL )
- {
- result = paInsufficientMemory;
- }
- else
- {
- for( i=0; i < guidVector->count; ++i )
- {
- newItems[i].name = guidVector->items[i].name;
- if( guidVector->items[i].lpGUID == NULL )
- {
- newItems[i].lpGUID = NULL;
- }
- else
- {
- newItems[i].lpGUID = &newItems[i].guid;
- memcpy( &newItems[i].guid, guidVector->items[i].lpGUID, sizeof(GUID) );;
- }
- }
-
- LocalFree( guidVector->items );
- guidVector->items = newItems;
- }
-
- return result;
-}
-
-/*
- it's safe to call DSDeviceNameAndGUIDVector multiple times
-*/
-static PaError TerminateDSDeviceNameAndGUIDVector( DSDeviceNameAndGUIDVector *guidVector )
-{
- PaError result = paNoError;
-
- if( guidVector->items != NULL )
- {
- if( LocalFree( guidVector->items ) != NULL )
- result = paInsufficientMemory; /** @todo this isn't the correct error to return from a deallocation failure */
-
- guidVector->items = NULL;
- }
-
- return result;
-}
-
-/************************************************************************************
-** Collect preliminary device information during DirectSound enumeration
-*/
-static BOOL CALLBACK CollectGUIDsProc(LPGUID lpGUID,
- LPCTSTR lpszDesc,
- LPCTSTR lpszDrvName,
- LPVOID lpContext )
-{
- DSDeviceNameAndGUIDVector *namesAndGUIDs = (DSDeviceNameAndGUIDVector*)lpContext;
- PaError error;
-
- (void) lpszDrvName; /* unused variable */
-
- if( namesAndGUIDs->free == 0 )
- {
- error = ExpandDSDeviceNameAndGUIDVector( namesAndGUIDs );
- if( error != paNoError )
- {
- namesAndGUIDs->enumerationError = error;
- return FALSE;
- }
- }
-
- /* Set GUID pointer, copy GUID to storage in DSDeviceNameAndGUIDVector. */
- if( lpGUID == NULL )
- {
- namesAndGUIDs->items[namesAndGUIDs->count].lpGUID = NULL;
- }
- else
- {
- namesAndGUIDs->items[namesAndGUIDs->count].lpGUID =
- &namesAndGUIDs->items[namesAndGUIDs->count].guid;
-
- memcpy( &namesAndGUIDs->items[namesAndGUIDs->count].guid, lpGUID, sizeof(GUID) );
- }
-
- namesAndGUIDs->items[namesAndGUIDs->count].name =
- DuplicateDeviceNameString( namesAndGUIDs->allocations, lpszDesc );
- if( namesAndGUIDs->items[namesAndGUIDs->count].name == NULL )
- {
- namesAndGUIDs->enumerationError = paInsufficientMemory;
- return FALSE;
- }
-
- ++namesAndGUIDs->count;
- --namesAndGUIDs->free;
-
- return TRUE;
-}
-
-
-#define PA_DEFAULTSAMPLERATESEARCHORDER_COUNT_ (13) /* must match array length below */
-static double defaultSampleRateSearchOrder_[] =
- { 44100.0, 48000.0, 32000.0, 24000.0, 22050.0, 88200.0, 96000.0, 192000.0,
- 16000.0, 12000.0, 11025.0, 9600.0, 8000.0 };
-
-
-/************************************************************************************
-** Extract capabilities from an output device, and add it to the device info list
-** if successful. This function assumes that there is enough room in the
-** device info list to accomodate all entries.
-**
-** The device will not be added to the device list if any errors are encountered.
-*/
-static PaError AddOutputDeviceInfoFromDirectSound(
- PaWinDsHostApiRepresentation *winDsHostApi, char *name, LPGUID lpGUID )
-{
- PaUtilHostApiRepresentation *hostApi = &winDsHostApi->inheritedHostApiRep;
- PaDeviceInfo *deviceInfo = hostApi->deviceInfos[hostApi->info.deviceCount];
- PaWinDsDeviceInfo *winDsDeviceInfo = &winDsHostApi->winDsDeviceInfos[hostApi->info.deviceCount];
- HRESULT hr;
- LPDIRECTSOUND lpDirectSound;
- DSCAPS caps;
- int deviceOK = TRUE;
- PaError result = paNoError;
- int i;
-
- /* Copy GUID to the device info structure. Set pointer. */
- if( lpGUID == NULL )
- {
- winDsDeviceInfo->lpGUID = NULL;
- }
- else
- {
- memcpy( &winDsDeviceInfo->guid, lpGUID, sizeof(GUID) );
- winDsDeviceInfo->lpGUID = &winDsDeviceInfo->guid;
- }
-
-
- /* Create a DirectSound object for the specified GUID
- Note that using CoCreateInstance doesn't work on windows CE.
- */
- hr = dswDSoundEntryPoints.DirectSoundCreate( lpGUID, &lpDirectSound, NULL );
-
- /** try using CoCreateInstance because DirectSoundCreate was hanging under
- some circumstances - note this was probably related to the
- #define BOOL short bug which has now been fixed
- @todo delete this comment and the following code once we've ensured
- there is no bug.
- */
- /*
- hr = CoCreateInstance( &CLSID_DirectSound, NULL, CLSCTX_INPROC_SERVER,
- &IID_IDirectSound, (void**)&lpDirectSound );
-
- if( hr == S_OK )
- {
- hr = IDirectSound_Initialize( lpDirectSound, lpGUID );
- }
- */
-
- if( hr != DS_OK )
- {
- DBUG(("Cannot create DirectSound for %s. Result = 0x%x\n", name, hr ));
- deviceOK = FALSE;
- }
- else
- {
- /* Query device characteristics. */
- memset( &caps, 0, sizeof(caps) );
- caps.dwSize = sizeof(caps);
- hr = IDirectSound_GetCaps( lpDirectSound, &caps );
- if( hr != DS_OK )
- {
- DBUG(("Cannot GetCaps() for DirectSound device %s. Result = 0x%x\n", name, hr ));
- deviceOK = FALSE;
- }
- else
- {
-
-#ifndef PA_NO_WMME
- if( caps.dwFlags & DSCAPS_EMULDRIVER )
- {
- /* If WMME supported, then reject Emulated drivers because they are lousy. */
- deviceOK = FALSE;
- }
-#endif
-
- if( deviceOK )
- {
- deviceInfo->maxInputChannels = 0;
- /* Mono or stereo device? */
- deviceInfo->maxOutputChannels = ( caps.dwFlags & DSCAPS_PRIMARYSTEREO ) ? 2 : 1;
-
- deviceInfo->defaultLowInputLatency = 0.; /** @todo IMPLEMENT ME */
- deviceInfo->defaultLowOutputLatency = 0.; /** @todo IMPLEMENT ME */
- deviceInfo->defaultHighInputLatency = 0.; /** @todo IMPLEMENT ME */
- deviceInfo->defaultHighOutputLatency = 0.; /** @todo IMPLEMENT ME */
-
- /* initialize defaultSampleRate */
-
- if( caps.dwFlags & DSCAPS_CONTINUOUSRATE )
- {
- /* initialize to caps.dwMaxSecondarySampleRate incase none of the standard rates match */
- deviceInfo->defaultSampleRate = caps.dwMaxSecondarySampleRate;
-
- for( i = 0; i < PA_DEFAULTSAMPLERATESEARCHORDER_COUNT_; ++i )
- {
- if( defaultSampleRateSearchOrder_[i] >= caps.dwMinSecondarySampleRate
- && defaultSampleRateSearchOrder_[i] <= caps.dwMaxSecondarySampleRate ){
-
- deviceInfo->defaultSampleRate = defaultSampleRateSearchOrder_[i];
- break;
- }
- }
- }
- else if( caps.dwMinSecondarySampleRate == caps.dwMaxSecondarySampleRate )
- {
- if( caps.dwMinSecondarySampleRate == 0 )
- {
- /*
- ** On my Thinkpad 380Z, DirectSoundV6 returns min-max=0 !!
- ** But it supports continuous sampling.
- ** So fake range of rates, and hope it really supports it.
- */
- deviceInfo->defaultSampleRate = 44100.0f;
-
- DBUG(("PA - Reported rates both zero. Setting to fake values for device #%d\n", sDeviceIndex ));
- }
- else
- {
- deviceInfo->defaultSampleRate = caps.dwMaxSecondarySampleRate;
- }
- }
- else if( (caps.dwMinSecondarySampleRate < 1000.0) && (caps.dwMaxSecondarySampleRate > 50000.0) )
- {
- /* The EWS88MT drivers lie, lie, lie. The say they only support two rates, 100 & 100000.
- ** But we know that they really support a range of rates!
- ** So when we see a ridiculous set of rates, assume it is a range.
- */
- deviceInfo->defaultSampleRate = 44100.0f;
- DBUG(("PA - Sample rate range used instead of two odd values for device #%d\n", sDeviceIndex ));
- }
- else deviceInfo->defaultSampleRate = caps.dwMaxSecondarySampleRate;
-
-
- //printf( "min %d max %d\n", caps.dwMinSecondarySampleRate, caps.dwMaxSecondarySampleRate );
- // dwFlags | DSCAPS_CONTINUOUSRATE
- }
- }
-
- IDirectSound_Release( lpDirectSound );
- }
-
- if( deviceOK )
- {
- deviceInfo->name = name;
-
- if( lpGUID == NULL )
- hostApi->info.defaultOutputDevice = hostApi->info.deviceCount;
-
- hostApi->info.deviceCount++;
- }
-
- return result;
-}
-
-
-/************************************************************************************
-** Extract capabilities from an input device, and add it to the device info list
-** if successful. This function assumes that there is enough room in the
-** device info list to accomodate all entries.
-**
-** The device will not be added to the device list if any errors are encountered.
-*/
-static PaError AddInputDeviceInfoFromDirectSoundCapture(
- PaWinDsHostApiRepresentation *winDsHostApi, char *name, LPGUID lpGUID )
-{
- PaUtilHostApiRepresentation *hostApi = &winDsHostApi->inheritedHostApiRep;
- PaDeviceInfo *deviceInfo = hostApi->deviceInfos[hostApi->info.deviceCount];
- PaWinDsDeviceInfo *winDsDeviceInfo = &winDsHostApi->winDsDeviceInfos[hostApi->info.deviceCount];
- HRESULT hr;
- LPDIRECTSOUNDCAPTURE lpDirectSoundCapture;
- DSCCAPS caps;
- int deviceOK = TRUE;
- PaError result = paNoError;
-
- /* Copy GUID to the device info structure. Set pointer. */
- if( lpGUID == NULL )
- {
- winDsDeviceInfo->lpGUID = NULL;
- }
- else
- {
- winDsDeviceInfo->lpGUID = &winDsDeviceInfo->guid;
- memcpy( &winDsDeviceInfo->guid, lpGUID, sizeof(GUID) );
- }
-
-
- hr = dswDSoundEntryPoints.DirectSoundCaptureCreate( lpGUID, &lpDirectSoundCapture, NULL );
-
- /** try using CoCreateInstance because DirectSoundCreate was hanging under
- some circumstances - note this was probably related to the
- #define BOOL short bug which has now been fixed
- @todo delete this comment and the following code once we've ensured
- there is no bug.
- */
- /*
- hr = CoCreateInstance( &CLSID_DirectSoundCapture, NULL, CLSCTX_INPROC_SERVER,
- &IID_IDirectSoundCapture, (void**)&lpDirectSoundCapture );
- */
- if( hr != DS_OK )
- {
- DBUG(("Cannot create Capture for %s. Result = 0x%x\n", name, hr ));
- deviceOK = FALSE;
- }
- else
- {
- /* Query device characteristics. */
- memset( &caps, 0, sizeof(caps) );
- caps.dwSize = sizeof(caps);
- hr = IDirectSoundCapture_GetCaps( lpDirectSoundCapture, &caps );
- if( hr != DS_OK )
- {
- DBUG(("Cannot GetCaps() for Capture device %s. Result = 0x%x\n", name, hr ));
- deviceOK = FALSE;
- }
- else
- {
-#ifndef PA_NO_WMME
- if( caps.dwFlags & DSCAPS_EMULDRIVER )
- {
- /* If WMME supported, then reject Emulated drivers because they are lousy. */
- deviceOK = FALSE;
- }
-#endif
-
- if( deviceOK )
- {
- deviceInfo->maxInputChannels = caps.dwChannels;
- deviceInfo->maxOutputChannels = 0;
-
- deviceInfo->defaultLowInputLatency = 0.; /** @todo IMPLEMENT ME */
- deviceInfo->defaultLowOutputLatency = 0.; /** @todo IMPLEMENT ME */
- deviceInfo->defaultHighInputLatency = 0.; /** @todo IMPLEMENT ME */
- deviceInfo->defaultHighOutputLatency = 0.; /** @todo IMPLEMENT ME */
-
-/* constants from a WINE patch by Francois Gouget, see:
- http://www.winehq.com/hypermail/wine-patches/2003/01/0290.html
-
- ---
- Date: Fri, 14 May 2004 10:38:12 +0200 (CEST)
- From: Francois Gouget <fgouget@ ... .fr>
- To: Ross Bencina <rbencina@ ... .au>
- Subject: Re: Permission to use wine 48/96 wave patch in BSD licensed library
-
- [snip]
-
- I give you permission to use the patch below under the BSD license.
- http://www.winehq.com/hypermail/wine-patches/2003/01/0290.html
-
- [snip]
-*/
-#ifndef WAVE_FORMAT_48M08
-#define WAVE_FORMAT_48M08 0x00001000 /* 48 kHz, Mono, 8-bit */
-#define WAVE_FORMAT_48S08 0x00002000 /* 48 kHz, Stereo, 8-bit */
-#define WAVE_FORMAT_48M16 0x00004000 /* 48 kHz, Mono, 16-bit */
-#define WAVE_FORMAT_48S16 0x00008000 /* 48 kHz, Stereo, 16-bit */
-#define WAVE_FORMAT_96M08 0x00010000 /* 96 kHz, Mono, 8-bit */
-#define WAVE_FORMAT_96S08 0x00020000 /* 96 kHz, Stereo, 8-bit */
-#define WAVE_FORMAT_96M16 0x00040000 /* 96 kHz, Mono, 16-bit */
-#define WAVE_FORMAT_96S16 0x00080000 /* 96 kHz, Stereo, 16-bit */
-#endif
-
- /* defaultSampleRate */
- if( caps.dwChannels == 2 )
- {
- if( caps.dwFormats & WAVE_FORMAT_4S16 )
- deviceInfo->defaultSampleRate = 44100.0;
- else if( caps.dwFormats & WAVE_FORMAT_48S16 )
- deviceInfo->defaultSampleRate = 48000.0;
- else if( caps.dwFormats & WAVE_FORMAT_2S16 )
- deviceInfo->defaultSampleRate = 22050.0;
- else if( caps.dwFormats & WAVE_FORMAT_1S16 )
- deviceInfo->defaultSampleRate = 11025.0;
- else if( caps.dwFormats & WAVE_FORMAT_96S16 )
- deviceInfo->defaultSampleRate = 96000.0;
- else
- deviceInfo->defaultSampleRate = 0.;
- }
- else if( caps.dwChannels == 1 )
- {
- if( caps.dwFormats & WAVE_FORMAT_4M16 )
- deviceInfo->defaultSampleRate = 44100.0;
- else if( caps.dwFormats & WAVE_FORMAT_48M16 )
- deviceInfo->defaultSampleRate = 48000.0;
- else if( caps.dwFormats & WAVE_FORMAT_2M16 )
- deviceInfo->defaultSampleRate = 22050.0;
- else if( caps.dwFormats & WAVE_FORMAT_1M16 )
- deviceInfo->defaultSampleRate = 11025.0;
- else if( caps.dwFormats & WAVE_FORMAT_96M16 )
- deviceInfo->defaultSampleRate = 96000.0;
- else
- deviceInfo->defaultSampleRate = 0.;
- }
- else deviceInfo->defaultSampleRate = 0.;
- }
- }
-
- IDirectSoundCapture_Release( lpDirectSoundCapture );
- }
-
- if( deviceOK )
- {
- deviceInfo->name = name;
-
- if( lpGUID == NULL )
- hostApi->info.defaultInputDevice = hostApi->info.deviceCount;
-
- hostApi->info.deviceCount++;
- }
-
- return result;
-}
-
-
-/***********************************************************************************/
-PaError PaWinDs_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiIndex hostApiIndex )
-{
- PaError result = paNoError;
- int i, deviceCount;
- PaWinDsHostApiRepresentation *winDsHostApi;
- DSDeviceNameAndGUIDVector inputNamesAndGUIDs, outputNamesAndGUIDs;
- PaDeviceInfo *deviceInfoArray;
-
- HRESULT hr = CoInitialize(NULL); /** @todo: should uninitialize too */
- if( FAILED(hr) ){
- return paUnanticipatedHostError;
- }
-
- /* initialise guid vectors so they can be safely deleted on error */
- inputNamesAndGUIDs.items = NULL;
- outputNamesAndGUIDs.items = NULL;
-
- DSW_InitializeDSoundEntryPoints();
-
- winDsHostApi = (PaWinDsHostApiRepresentation*)PaUtil_AllocateMemory( sizeof(PaWinDsHostApiRepresentation) );
- if( !winDsHostApi )
- {
- result = paInsufficientMemory;
- goto error;
- }
-
- winDsHostApi->allocations = PaUtil_CreateAllocationGroup();
- if( !winDsHostApi->allocations )
- {
- result = paInsufficientMemory;
- goto error;
- }
-
- *hostApi = &winDsHostApi->inheritedHostApiRep;
- (*hostApi)->info.structVersion = 1;
- (*hostApi)->info.type = paDirectSound;
- (*hostApi)->info.name = "Windows DirectSound";
-
- (*hostApi)->info.deviceCount = 0;
- (*hostApi)->info.defaultInputDevice = paNoDevice;
- (*hostApi)->info.defaultOutputDevice = paNoDevice;
-
-
-/* DSound - enumerate devices to count them and to gather their GUIDs */
-
-
- result = InitializeDSDeviceNameAndGUIDVector( &inputNamesAndGUIDs, winDsHostApi->allocations );
- if( result != paNoError )
- goto error;
-
- result = InitializeDSDeviceNameAndGUIDVector( &outputNamesAndGUIDs, winDsHostApi->allocations );
- if( result != paNoError )
- goto error;
-
- dswDSoundEntryPoints.DirectSoundCaptureEnumerate( (LPDSENUMCALLBACK)CollectGUIDsProc, (void *)&inputNamesAndGUIDs );
-
- dswDSoundEntryPoints.DirectSoundEnumerate( (LPDSENUMCALLBACK)CollectGUIDsProc, (void *)&outputNamesAndGUIDs );
-
- if( inputNamesAndGUIDs.enumerationError != paNoError )
- {
- result = inputNamesAndGUIDs.enumerationError;
- goto error;
- }
-
- if( outputNamesAndGUIDs.enumerationError != paNoError )
- {
- result = outputNamesAndGUIDs.enumerationError;
- goto error;
- }
-
- deviceCount = inputNamesAndGUIDs.count + outputNamesAndGUIDs.count;
-
- if( deviceCount > 0 )
- {
- /* allocate array for pointers to PaDeviceInfo structs */
- (*hostApi)->deviceInfos = (PaDeviceInfo**)PaUtil_GroupAllocateMemory(
- winDsHostApi->allocations, sizeof(PaDeviceInfo*) * deviceCount );
- if( !(*hostApi)->deviceInfos )
- {
- result = paInsufficientMemory;
- goto error;
- }
-
- /* allocate all PaDeviceInfo structs in a contiguous block */
- deviceInfoArray = (PaDeviceInfo*)PaUtil_GroupAllocateMemory(
- winDsHostApi->allocations, sizeof(PaDeviceInfo) * deviceCount );
- if( !deviceInfoArray )
- {
- result = paInsufficientMemory;
- goto error;
- }
-
- /* allocate all DSound specific info structs in a contiguous block */
- winDsHostApi->winDsDeviceInfos = (PaWinDsDeviceInfo*)PaUtil_GroupAllocateMemory(
- winDsHostApi->allocations, sizeof(PaWinDsDeviceInfo) * deviceCount );
- if( !winDsHostApi->winDsDeviceInfos )
- {
- result = paInsufficientMemory;
- goto error;
- }
-
- for( i=0; i < deviceCount; ++i )
- {
- PaDeviceInfo *deviceInfo = &deviceInfoArray[i];
- deviceInfo->structVersion = 2;
- deviceInfo->hostApi = hostApiIndex;
- deviceInfo->name = 0;
- (*hostApi)->deviceInfos[i] = deviceInfo;
- }
-
- for( i=0; i< inputNamesAndGUIDs.count; ++i )
- {
- result = AddInputDeviceInfoFromDirectSoundCapture( winDsHostApi,
- inputNamesAndGUIDs.items[i].name,
- inputNamesAndGUIDs.items[i].lpGUID );
- if( result != paNoError )
- goto error;
- }
-
- for( i=0; i< outputNamesAndGUIDs.count; ++i )
- {
- result = AddOutputDeviceInfoFromDirectSound( winDsHostApi,
- outputNamesAndGUIDs.items[i].name,
- outputNamesAndGUIDs.items[i].lpGUID );
- if( result != paNoError )
- goto error;
- }
- }
-
- result = TerminateDSDeviceNameAndGUIDVector( &inputNamesAndGUIDs );
- if( result != paNoError )
- goto error;
-
- result = TerminateDSDeviceNameAndGUIDVector( &outputNamesAndGUIDs );
- if( result != paNoError )
- goto error;
-
-
- (*hostApi)->Terminate = Terminate;
- (*hostApi)->OpenStream = OpenStream;
- (*hostApi)->IsFormatSupported = IsFormatSupported;
-
- PaUtil_InitializeStreamInterface( &winDsHostApi->callbackStreamInterface, CloseStream, StartStream,
- StopStream, AbortStream, IsStreamStopped, IsStreamActive,
- GetStreamTime, GetStreamCpuLoad,
- PaUtil_DummyRead, PaUtil_DummyWrite,
- PaUtil_DummyGetReadAvailable, PaUtil_DummyGetWriteAvailable );
-
- PaUtil_InitializeStreamInterface( &winDsHostApi->blockingStreamInterface, CloseStream, StartStream,
- StopStream, AbortStream, IsStreamStopped, IsStreamActive,
- GetStreamTime, PaUtil_DummyGetCpuLoad,
- ReadStream, WriteStream, GetStreamReadAvailable, GetStreamWriteAvailable );
-
- return result;
-
-error:
- if( winDsHostApi )
- {
- if( winDsHostApi->allocations )
- {
- PaUtil_FreeAllAllocations( winDsHostApi->allocations );
- PaUtil_DestroyAllocationGroup( winDsHostApi->allocations );
- }
-
- PaUtil_FreeMemory( winDsHostApi );
- }
-
- TerminateDSDeviceNameAndGUIDVector( &inputNamesAndGUIDs );
- TerminateDSDeviceNameAndGUIDVector( &outputNamesAndGUIDs );
-
- return result;
-}
-
-
-/***********************************************************************************/
-static void Terminate( struct PaUtilHostApiRepresentation *hostApi )
-{
- PaWinDsHostApiRepresentation *winDsHostApi = (PaWinDsHostApiRepresentation*)hostApi;
-
- /*
- IMPLEMENT ME:
- - clean up any resources not handled by the allocation group
- */
-
- if( winDsHostApi->allocations )
- {
- PaUtil_FreeAllAllocations( winDsHostApi->allocations );
- PaUtil_DestroyAllocationGroup( winDsHostApi->allocations );
- }
-
- PaUtil_FreeMemory( winDsHostApi );
-
- DSW_TerminateDSoundEntryPoints();
-
- CoUninitialize();
-}
-
-
-/* Set minimal latency based on whether NT or Win95.
- * NT has higher latency.
- */
-static int PaWinDS_GetMinSystemLatency( void )
-{
- int minLatencyMsec;
- /* Set minimal latency based on whether NT or other OS.
- * NT has higher latency.
- */
- OSVERSIONINFO osvi;
- osvi.dwOSVersionInfoSize = sizeof( osvi );
- GetVersionEx( &osvi );
- DBUG(("PA - PlatformId = 0x%x\n", osvi.dwPlatformId ));
- DBUG(("PA - MajorVersion = 0x%x\n", osvi.dwMajorVersion ));
- DBUG(("PA - MinorVersion = 0x%x\n", osvi.dwMinorVersion ));
- /* Check for NT */
- if( (osvi.dwMajorVersion == 4) && (osvi.dwPlatformId == 2) )
- {
- minLatencyMsec = PA_WIN_NT_LATENCY;
- }
- else if(osvi.dwMajorVersion >= 5)
- {
- minLatencyMsec = PA_WIN_WDM_LATENCY;
- }
- else
- {
- minLatencyMsec = PA_WIN_9X_LATENCY;
- }
- return minLatencyMsec;
-}
-
-/***********************************************************************************/
-static PaError IsFormatSupported( struct PaUtilHostApiRepresentation *hostApi,
- const PaStreamParameters *inputParameters,
- const PaStreamParameters *outputParameters,
- double sampleRate )
-{
- int inputChannelCount, outputChannelCount;
- PaSampleFormat inputSampleFormat, outputSampleFormat;
-
- if( inputParameters )
- {
- inputChannelCount = inputParameters->channelCount;
- inputSampleFormat = inputParameters->sampleFormat;
-
- /* unless alternate device specification is supported, reject the use of
- paUseHostApiSpecificDeviceSpecification */
-
- if( inputParameters->device == paUseHostApiSpecificDeviceSpecification )
- return paInvalidDevice;
-
- /* check that input device can support inputChannelCount */
- if( inputChannelCount > hostApi->deviceInfos[ inputParameters->device ]->maxInputChannels )
- return paInvalidChannelCount;
-
- /* validate inputStreamInfo */
- if( inputParameters->hostApiSpecificStreamInfo )
- return paIncompatibleHostApiSpecificStreamInfo; /* this implementation doesn't use custom stream info */
- }
- else
- {
- inputChannelCount = 0;
- }
-
- if( outputParameters )
- {
- outputChannelCount = outputParameters->channelCount;
- outputSampleFormat = outputParameters->sampleFormat;
-
- /* unless alternate device specification is supported, reject the use of
- paUseHostApiSpecificDeviceSpecification */
-
- if( outputParameters->device == paUseHostApiSpecificDeviceSpecification )
- return paInvalidDevice;
-
- /* check that output device can support inputChannelCount */
- if( outputChannelCount > hostApi->deviceInfos[ outputParameters->device ]->maxOutputChannels )
- return paInvalidChannelCount;
-
- /* validate outputStreamInfo */
- if( outputParameters->hostApiSpecificStreamInfo )
- return paIncompatibleHostApiSpecificStreamInfo; /* this implementation doesn't use custom stream info */
- }
- else
- {
- outputChannelCount = 0;
- }
-
- /*
- IMPLEMENT ME:
-
- - if a full duplex stream is requested, check that the combination
- of input and output parameters is supported if necessary
-
- - check that the device supports sampleRate
-
- Because the buffer adapter handles conversion between all standard
- sample formats, the following checks are only required if paCustomFormat
- is implemented, or under some other unusual conditions.
-
- - check that input device can support inputSampleFormat, or that
- we have the capability to convert from outputSampleFormat to
- a native format
-
- - check that output device can support outputSampleFormat, or that
- we have the capability to convert from outputSampleFormat to
- a native format
- */
-
- return paFormatIsSupported;
-}
-
-
-/*************************************************************************
-** Determine minimum number of buffers required for this host based
-** on minimum latency. Latency can be optionally set by user by setting
-** an environment variable. For example, to set latency to 200 msec, put:
-**
-** set PA_MIN_LATENCY_MSEC=200
-**
-** in the AUTOEXEC.BAT file and reboot.
-** If the environment variable is not set, then the latency will be determined
-** based on the OS. Windows NT has higher latency than Win95.
-*/
-#define PA_LATENCY_ENV_NAME ("PA_MIN_LATENCY_MSEC")
-#define PA_ENV_BUF_SIZE (32)
-
-static int PaWinDs_GetMinLatencyFrames( double sampleRate )
-{
- char envbuf[PA_ENV_BUF_SIZE];
- DWORD hresult;
- int minLatencyMsec = 0;
-
- /* Let user determine minimal latency by setting environment variable. */
- hresult = GetEnvironmentVariable( PA_LATENCY_ENV_NAME, envbuf, PA_ENV_BUF_SIZE );
- if( (hresult > 0) && (hresult < PA_ENV_BUF_SIZE) )
- {
- minLatencyMsec = atoi( envbuf );
- }
- else
- {
- minLatencyMsec = PaWinDS_GetMinSystemLatency();
-#if PA_USE_HIGH_LATENCY
- PRINT(("PA - Minimum Latency set to %d msec!\n", minLatencyMsec ));
-#endif
-
- }
-
- return (int) (minLatencyMsec * sampleRate * SECONDS_PER_MSEC);
-}
-
-/***********************************************************************************/
-/* see pa_hostapi.h for a list of validity guarantees made about OpenStream parameters */
-
-static PaError OpenStream( struct PaUtilHostApiRepresentation *hostApi,
- PaStream** s,
- const PaStreamParameters *inputParameters,
- const PaStreamParameters *outputParameters,
- double sampleRate,
- unsigned long framesPerBuffer,
- PaStreamFlags streamFlags,
- PaStreamCallback *streamCallback,
- void *userData )
-{
- PaError result = paNoError;
- PaWinDsHostApiRepresentation *winDsHostApi = (PaWinDsHostApiRepresentation*)hostApi;
- PaWinDsStream *stream = 0;
- int inputChannelCount, outputChannelCount;
- PaSampleFormat inputSampleFormat, outputSampleFormat;
- PaSampleFormat hostInputSampleFormat, hostOutputSampleFormat;
- unsigned long suggestedInputLatencyFrames, suggestedOutputLatencyFrames;
-
- if( inputParameters )
- {
- inputChannelCount = inputParameters->channelCount;
- inputSampleFormat = inputParameters->sampleFormat;
- suggestedInputLatencyFrames = (unsigned long)(inputParameters->suggestedLatency * sampleRate);
-
- /* IDEA: the following 3 checks could be performed by default by pa_front
- unless some flag indicated otherwise */
-
- /* unless alternate device specification is supported, reject the use of
- paUseHostApiSpecificDeviceSpecification */
- if( inputParameters->device == paUseHostApiSpecificDeviceSpecification )
- return paInvalidDevice;
-
- /* check that input device can support inputChannelCount */
- if( inputChannelCount > hostApi->deviceInfos[ inputParameters->device ]->maxInputChannels )
- return paInvalidChannelCount;
-
- /* validate hostApiSpecificStreamInfo */
- if( inputParameters->hostApiSpecificStreamInfo )
- return paIncompatibleHostApiSpecificStreamInfo; /* this implementation doesn't use custom stream info */
- }
- else
- {
- inputChannelCount = 0;
- suggestedInputLatencyFrames = 0;
- }
-
-
- if( outputParameters )
- {
- outputChannelCount = outputParameters->channelCount;
- outputSampleFormat = outputParameters->sampleFormat;
- suggestedOutputLatencyFrames = (unsigned long)(outputParameters->suggestedLatency * sampleRate);
-
- /* unless alternate device specification is supported, reject the use of
- paUseHostApiSpecificDeviceSpecification */
- if( outputParameters->device == paUseHostApiSpecificDeviceSpecification )
- return paInvalidDevice;
-
- /* check that output device can support inputChannelCount */
- if( outputChannelCount > hostApi->deviceInfos[ outputParameters->device ]->maxOutputChannels )
- return paInvalidChannelCount;
-
- /* validate hostApiSpecificStreamInfo */
- if( outputParameters->hostApiSpecificStreamInfo )
- return paIncompatibleHostApiSpecificStreamInfo; /* this implementation doesn't use custom stream info */
- }
- else
- {
- outputChannelCount = 0;
- suggestedOutputLatencyFrames = 0;
- }
-
-
- /*
- IMPLEMENT ME:
-
- ( the following two checks are taken care of by PaUtil_InitializeBufferProcessor() )
-
- - check that input device can support inputSampleFormat, or that
- we have the capability to convert from outputSampleFormat to
- a native format
-
- - check that output device can support outputSampleFormat, or that
- we have the capability to convert from outputSampleFormat to
- a native format
-
- - if a full duplex stream is requested, check that the combination
- of input and output parameters is supported
-
- - check that the device supports sampleRate
-
- - alter sampleRate to a close allowable rate if possible / necessary
-
- - validate suggestedInputLatency and suggestedOutputLatency parameters,
- use default values where necessary
- */
-
-
- /* validate platform specific flags */
- if( (streamFlags & paPlatformSpecificFlags) != 0 )
- return paInvalidFlag; /* unexpected platform specific flag */
-
-
- stream = (PaWinDsStream*)PaUtil_AllocateMemory( sizeof(PaWinDsStream) );
- if( !stream )
- {
- result = paInsufficientMemory;
- goto error;
- }
-
- if( streamCallback )
- {
- PaUtil_InitializeStreamRepresentation( &stream->streamRepresentation,
- &winDsHostApi->callbackStreamInterface, streamCallback, userData );
- }
- else
- {
- PaUtil_InitializeStreamRepresentation( &stream->streamRepresentation,
- &winDsHostApi->blockingStreamInterface, streamCallback, userData );
- }
-
- PaUtil_InitializeCpuLoadMeasurer( &stream->cpuLoadMeasurer, sampleRate );
-
-
- if( inputParameters )
- {
- /* IMPLEMENT ME - establish which host formats are available */
- hostInputSampleFormat =
- PaUtil_SelectClosestAvailableFormat( paInt16 /* native formats */, inputParameters->sampleFormat );
- }
-
- if( outputParameters )
- {
- /* IMPLEMENT ME - establish which host formats are available */
- hostOutputSampleFormat =
- PaUtil_SelectClosestAvailableFormat( paInt16 /* native formats */, outputParameters->sampleFormat );
- }
-
- result = PaUtil_InitializeBufferProcessor( &stream->bufferProcessor,
- inputChannelCount, inputSampleFormat, hostInputSampleFormat,
- outputChannelCount, outputSampleFormat, hostOutputSampleFormat,
- sampleRate, streamFlags, framesPerBuffer,
- framesPerBuffer, /* ignored in paUtilVariableHostBufferSizePartialUsageAllowed mode. */
- /* This next mode is required because DS can split the host buffer when it wraps around. */
- paUtilVariableHostBufferSizePartialUsageAllowed,
- streamCallback, userData );
- if( result != paNoError )
- goto error;
-
-
- stream->streamRepresentation.streamInfo.inputLatency =
- PaUtil_GetBufferProcessorInputLatency(&stream->bufferProcessor); /* FIXME: not initialised anywhere else */
- stream->streamRepresentation.streamInfo.outputLatency =
- PaUtil_GetBufferProcessorOutputLatency(&stream->bufferProcessor); /* FIXME: not initialised anywhere else */
- stream->streamRepresentation.streamInfo.sampleRate = sampleRate;
-
-
-/* DirectSound specific initialization */
- {
- HRESULT hr;
- int bytesPerDirectSoundBuffer;
- DSoundWrapper *dsw;
- int userLatencyFrames;
- int minLatencyFrames;
-
- stream->timerID = 0;
- dsw = &stream->directSoundWrapper;
- DSW_Init( dsw );
-
- /* Get system minimum latency. */
- minLatencyFrames = PaWinDs_GetMinLatencyFrames( sampleRate );
-
- /* Let user override latency by passing latency parameter. */
- userLatencyFrames = (suggestedInputLatencyFrames > suggestedOutputLatencyFrames)
- ? suggestedInputLatencyFrames
- : suggestedOutputLatencyFrames;
- if( userLatencyFrames > 0 ) minLatencyFrames = userLatencyFrames;
-
- /* Calculate stream->framesPerDSBuffer depending on framesPerBuffer */
- if( framesPerBuffer == paFramesPerBufferUnspecified )
- {
- /* App support variable framesPerBuffer */
- stream->framesPerDSBuffer = minLatencyFrames;
-
- stream->streamRepresentation.streamInfo.outputLatency = (double)(minLatencyFrames - 1) / sampleRate;
- }
- else
- {
- /* Round up to number of buffers needed to guarantee that latency. */
- int numUserBuffers = (minLatencyFrames + framesPerBuffer - 1) / framesPerBuffer;
- if( numUserBuffers < 1 ) numUserBuffers = 1;
- numUserBuffers += 1; /* So we have latency worth of buffers ahead of current buffer. */
- stream->framesPerDSBuffer = framesPerBuffer * numUserBuffers;
-
- stream->streamRepresentation.streamInfo.outputLatency = (double)(framesPerBuffer * (numUserBuffers-1)) / sampleRate;
- }
-
- {
- /** @todo REVIEW: this calculation seems incorrect to me - rossb. */
- int msecLatency = (int) ((stream->framesPerDSBuffer * MSEC_PER_SECOND) / sampleRate);
- PRINT(("PortAudio on DirectSound - Latency = %d frames, %d msec\n", stream->framesPerDSBuffer, msecLatency ));
- }
-
-
- /* ------------------ OUTPUT */
- if( outputParameters )
- {
- /*
- PaDeviceInfo *deviceInfo = hostApi->deviceInfos[ outputParameters->device ];
- DBUG(("PaHost_OpenStream: deviceID = 0x%x\n", outputParameters->device));
- */
-
- bytesPerDirectSoundBuffer = stream->framesPerDSBuffer * outputParameters->channelCount * sizeof(short);
- if( bytesPerDirectSoundBuffer < DSBSIZE_MIN )
- {
- result = paBufferTooSmall;
- goto error;
- }
- else if( bytesPerDirectSoundBuffer > DSBSIZE_MAX )
- {
- result = paBufferTooBig;
- goto error;
- }
-
-
- hr = dswDSoundEntryPoints.DirectSoundCreate( winDsHostApi->winDsDeviceInfos[outputParameters->device].lpGUID,
- &dsw->dsw_pDirectSound, NULL );
- if( hr != DS_OK )
- {
- ERR_RPT(("PortAudio: DirectSoundCreate() failed!\n"));
- result = paUnanticipatedHostError;
- PA_DS_SET_LAST_DIRECTSOUND_ERROR( hr );
- goto error;
- }
- hr = DSW_InitOutputBuffer( dsw,
- (unsigned long) (sampleRate + 0.5),
- (WORD)outputParameters->channelCount, bytesPerDirectSoundBuffer );
- DBUG(("DSW_InitOutputBuffer() returns %x\n", hr));
- if( hr != DS_OK )
- {
- result = paUnanticipatedHostError;
- PA_DS_SET_LAST_DIRECTSOUND_ERROR( hr );
- goto error;
- }
- /* Calculate value used in latency calculation to avoid real-time divides. */
- stream->secondsPerHostByte = 1.0 /
- (stream->bufferProcessor.bytesPerHostOutputSample *
- outputChannelCount * sampleRate);
- }
-
- /* ------------------ INPUT */
- if( inputParameters )
- {
- /*
- PaDeviceInfo *deviceInfo = hostApi->deviceInfos[ inputParameters->device ];
- DBUG(("PaHost_OpenStream: deviceID = 0x%x\n", inputParameters->device));
- */
-
- bytesPerDirectSoundBuffer = stream->framesPerDSBuffer * inputParameters->channelCount * sizeof(short);
- if( bytesPerDirectSoundBuffer < DSBSIZE_MIN )
- {
- result = paBufferTooSmall;
- goto error;
- }
- else if( bytesPerDirectSoundBuffer > DSBSIZE_MAX )
- {
- result = paBufferTooBig;
- goto error;
- }
-
- hr = dswDSoundEntryPoints.DirectSoundCaptureCreate( winDsHostApi->winDsDeviceInfos[inputParameters->device].lpGUID,
- &dsw->dsw_pDirectSoundCapture, NULL );
- if( hr != DS_OK )
- {
- ERR_RPT(("PortAudio: DirectSoundCaptureCreate() failed!\n"));
- result = paUnanticipatedHostError;
- PA_DS_SET_LAST_DIRECTSOUND_ERROR( hr );
- goto error;
- }
- hr = DSW_InitInputBuffer( dsw,
- (unsigned long) (sampleRate + 0.5),
- (WORD)inputParameters->channelCount, bytesPerDirectSoundBuffer );
- DBUG(("DSW_InitInputBuffer() returns %x\n", hr));
- if( hr != DS_OK )
- {
- ERR_RPT(("PortAudio: DSW_InitInputBuffer() returns %x\n", hr));
- result = paUnanticipatedHostError;
- PA_DS_SET_LAST_DIRECTSOUND_ERROR( hr );
- goto error;
- }
- }
-
- }
-
- *s = (PaStream*)stream;
-
- return result;
-
-error:
- if( stream )
- PaUtil_FreeMemory( stream );
-
- return result;
-}
-
-
-/***********************************************************************************/
-static PaError Pa_TimeSlice( PaWinDsStream *stream )
-{
- PaError result = 0; /* FIXME: this should be declared int and this function should also return that type (same as stream callback return type)*/
- DSoundWrapper *dsw;
- long numFrames = 0;
- long bytesEmpty = 0;
- long bytesFilled = 0;
- long bytesToXfer = 0;
- long framesToXfer = 0;
- long numInFramesReady = 0;
- long numOutFramesReady = 0;
- long bytesProcessed;
- HRESULT hresult;
- double outputLatency = 0;
- PaStreamCallbackTimeInfo timeInfo = {0,0,0}; /** @todo implement inputBufferAdcTime */
-
-/* Input */
- LPBYTE lpInBuf1 = NULL;
- LPBYTE lpInBuf2 = NULL;
- DWORD dwInSize1 = 0;
- DWORD dwInSize2 = 0;
-/* Output */
- LPBYTE lpOutBuf1 = NULL;
- LPBYTE lpOutBuf2 = NULL;
- DWORD dwOutSize1 = 0;
- DWORD dwOutSize2 = 0;
-
- dsw = &stream->directSoundWrapper;
-
- /* How much input data is available? */
- if( stream->bufferProcessor.inputChannelCount > 0 )
- {
- DSW_QueryInputFilled( dsw, &bytesFilled );
- framesToXfer = numInFramesReady = bytesFilled / dsw->dsw_BytesPerInputFrame;
- outputLatency = ((double)bytesFilled) * stream->secondsPerHostByte;
-
- /** @todo Check for overflow */
- }
-
- /* How much output room is available? */
- if( stream->bufferProcessor.outputChannelCount > 0 )
- {
- UINT previousUnderflowCount = dsw->dsw_OutputUnderflows;
- DSW_QueryOutputSpace( dsw, &bytesEmpty );
- framesToXfer = numOutFramesReady = bytesEmpty / dsw->dsw_BytesPerOutputFrame;
-
- /* Check for underflow */
- if( dsw->dsw_OutputUnderflows != previousUnderflowCount )
- stream->callbackFlags |= paOutputUnderflow;
- }
-
- if( (numInFramesReady > 0) && (numOutFramesReady > 0) )
- {
- framesToXfer = (numOutFramesReady < numInFramesReady) ? numOutFramesReady : numInFramesReady;
- }
-
- if( framesToXfer > 0 )
- {
-
- PaUtil_BeginCpuLoadMeasurement( &stream->cpuLoadMeasurer );
-
- /* The outputBufferDacTime parameter should indicates the time at which
- the first sample of the output buffer is heard at the DACs. */
- timeInfo.currentTime = PaUtil_GetTime();
- timeInfo.outputBufferDacTime = timeInfo.currentTime + outputLatency;
-
-
- PaUtil_BeginBufferProcessing( &stream->bufferProcessor, &timeInfo, stream->callbackFlags );
- stream->callbackFlags = 0;
-
- /* Input */
- if( stream->bufferProcessor.inputChannelCount > 0 )
- {
- bytesToXfer = framesToXfer * dsw->dsw_BytesPerInputFrame;
- hresult = IDirectSoundCaptureBuffer_Lock ( dsw->dsw_InputBuffer,
- dsw->dsw_ReadOffset, bytesToXfer,
- (void **) &lpInBuf1, &dwInSize1,
- (void **) &lpInBuf2, &dwInSize2, 0);
- if (hresult != DS_OK)
- {
- ERR_RPT(("DirectSound IDirectSoundCaptureBuffer_Lock failed, hresult = 0x%x\n",hresult));
- result = paUnanticipatedHostError;
- PA_DS_SET_LAST_DIRECTSOUND_ERROR( hresult );
- goto error2;
- }
-
- numFrames = dwInSize1 / dsw->dsw_BytesPerInputFrame;
- PaUtil_SetInputFrameCount( &stream->bufferProcessor, numFrames );
- PaUtil_SetInterleavedInputChannels( &stream->bufferProcessor, 0, lpInBuf1, 0 );
- /* Is input split into two regions. */
- if( dwInSize2 > 0 )
- {
- numFrames = dwInSize2 / dsw->dsw_BytesPerInputFrame;
- PaUtil_Set2ndInputFrameCount( &stream->bufferProcessor, numFrames );
- PaUtil_Set2ndInterleavedInputChannels( &stream->bufferProcessor, 0, lpInBuf2, 0 );
- }
- }
-
- /* Output */
- if( stream->bufferProcessor.outputChannelCount > 0 )
- {
- bytesToXfer = framesToXfer * dsw->dsw_BytesPerOutputFrame;
- hresult = IDirectSoundBuffer_Lock ( dsw->dsw_OutputBuffer,
- dsw->dsw_WriteOffset, bytesToXfer,
- (void **) &lpOutBuf1, &dwOutSize1,
- (void **) &lpOutBuf2, &dwOutSize2, 0);
- if (hresult != DS_OK)
- {
- ERR_RPT(("DirectSound IDirectSoundBuffer_Lock failed, hresult = 0x%x\n",hresult));
- result = paUnanticipatedHostError;
- PA_DS_SET_LAST_DIRECTSOUND_ERROR( hresult );
- goto error1;
- }
-
- numFrames = dwOutSize1 / dsw->dsw_BytesPerOutputFrame;
- PaUtil_SetOutputFrameCount( &stream->bufferProcessor, numFrames );
- PaUtil_SetInterleavedOutputChannels( &stream->bufferProcessor, 0, lpOutBuf1, 0 );
-
- /* Is output split into two regions. */
- if( dwOutSize2 > 0 )
- {
- numFrames = dwOutSize2 / dsw->dsw_BytesPerOutputFrame;
- PaUtil_Set2ndOutputFrameCount( &stream->bufferProcessor, numFrames );
- PaUtil_Set2ndInterleavedOutputChannels( &stream->bufferProcessor, 0, lpOutBuf2, 0 );
- }
- }
-
- result = paContinue;
- numFrames = PaUtil_EndBufferProcessing( &stream->bufferProcessor, &result );
- stream->framesWritten += numFrames;
-
- if( stream->bufferProcessor.outputChannelCount > 0 )
- {
- /* FIXME: an underflow could happen here */
-
- /* Update our buffer offset and unlock sound buffer */
- bytesProcessed = numFrames * dsw->dsw_BytesPerOutputFrame;
- dsw->dsw_WriteOffset = (dsw->dsw_WriteOffset + bytesProcessed) % dsw->dsw_OutputSize;
- IDirectSoundBuffer_Unlock( dsw->dsw_OutputBuffer, lpOutBuf1, dwOutSize1, lpOutBuf2, dwOutSize2);
- dsw->dsw_FramesWritten += numFrames;
- }
-
-error1:
- if( stream->bufferProcessor.inputChannelCount > 0 )
- {
- /* FIXME: an overflow could happen here */
-
- /* Update our buffer offset and unlock sound buffer */
- bytesProcessed = numFrames * dsw->dsw_BytesPerInputFrame;
- dsw->dsw_ReadOffset = (dsw->dsw_ReadOffset + bytesProcessed) % dsw->dsw_InputSize;
- IDirectSoundCaptureBuffer_Unlock( dsw->dsw_InputBuffer, lpInBuf1, dwInSize1, lpInBuf2, dwInSize2);
- }
-error2:
-
- PaUtil_EndCpuLoadMeasurement( &stream->cpuLoadMeasurer, numFrames );
-
- }
-
- return result;
-}
-/*******************************************************************/
-static void CALLBACK Pa_TimerCallback(UINT uID, UINT uMsg, DWORD dwUser, DWORD dw1, DWORD dw2)
-{
- PaWinDsStream *stream;
-
- /* suppress unused variable warnings */
- (void) uID;
- (void) uMsg;
- (void) dw1;
- (void) dw2;
-
- stream = (PaWinDsStream *) dwUser;
- if( stream == NULL ) return;
-
- if( stream->isActive )
- {
- if( stream->abortProcessing )
- {
- stream->isActive = 0;
- }
- else if( stream->stopProcessing )
- {
- DSoundWrapper *dsw = &stream->directSoundWrapper;
- if( stream->bufferProcessor.outputChannelCount > 0 )
- {
- DSW_ZeroEmptySpace( dsw );
- /* clear isActive when all sound played */
- if( dsw->dsw_FramesPlayed >= stream->framesWritten )
- {
- stream->isActive = 0;
- }
- }
- else
- {
- stream->isActive = 0;
- }
- }
- else
- {
- if( Pa_TimeSlice( stream ) != 0) /* Call time slice independant of timing method. */
- {
- /* FIXME implement handling of paComplete and paAbort if possible */
- stream->stopProcessing = 1;
- }
- }
-
- if( !stream->isActive ){
- if( stream->streamRepresentation.streamFinishedCallback != 0 )
- stream->streamRepresentation.streamFinishedCallback( stream->streamRepresentation.userData );
- }
- }
-}
-
-/***********************************************************************************
- When CloseStream() is called, the multi-api layer ensures that
- the stream has already been stopped or aborted.
-*/
-static PaError CloseStream( PaStream* s )
-{
- PaError result = paNoError;
- PaWinDsStream *stream = (PaWinDsStream*)s;
-
- DSW_Term( &stream->directSoundWrapper );
-
- PaUtil_TerminateBufferProcessor( &stream->bufferProcessor );
- PaUtil_TerminateStreamRepresentation( &stream->streamRepresentation );
- PaUtil_FreeMemory( stream );
-
- return result;
-}
-
-/***********************************************************************************/
-static PaError StartStream( PaStream *s )
-{
- PaError result = paNoError;
- PaWinDsStream *stream = (PaWinDsStream*)s;
- HRESULT hr;
-
- PaUtil_ResetBufferProcessor( &stream->bufferProcessor );
-
- if( stream->bufferProcessor.inputChannelCount > 0 )
- {
- hr = DSW_StartInput( &stream->directSoundWrapper );
- DBUG(("StartStream: DSW_StartInput returned = 0x%X.\n", hr));
- if( hr != DS_OK )
- {
- result = paUnanticipatedHostError;
- PA_DS_SET_LAST_DIRECTSOUND_ERROR( hr );
- goto error;
- }
- }
-
- stream->framesWritten = 0;
- stream->callbackFlags = 0;
-
- stream->abortProcessing = 0;
- stream->stopProcessing = 0;
- stream->isActive = 1;
-
- if( stream->bufferProcessor.outputChannelCount > 0 )
- {
- /* Give user callback a chance to pre-fill buffer. REVIEW - i thought we weren't pre-filling, rb. */
- result = Pa_TimeSlice( stream );
- if( result != paNoError ) return result; // FIXME - what if finished?
-
- hr = DSW_StartOutput( &stream->directSoundWrapper );
- DBUG(("PaHost_StartOutput: DSW_StartOutput returned = 0x%X.\n", hr));
- if( hr != DS_OK )
- {
- result = paUnanticipatedHostError;
- PA_DS_SET_LAST_DIRECTSOUND_ERROR( hr );
- goto error;
- }
- }
-
-
- /* Create timer that will wake us up so we can fill the DSound buffer. */
- {
- int resolution;
- int framesPerWakeup = stream->framesPerDSBuffer / 4;
- int msecPerWakeup = MSEC_PER_SECOND * framesPerWakeup / (int) stream->streamRepresentation.streamInfo.sampleRate;
- if( msecPerWakeup < 10 ) msecPerWakeup = 10;
- else if( msecPerWakeup > 100 ) msecPerWakeup = 100;
- resolution = msecPerWakeup/4;
- stream->timerID = timeSetEvent( msecPerWakeup, resolution, (LPTIMECALLBACK) Pa_TimerCallback,
- (DWORD) stream, TIME_PERIODIC );
- }
- if( stream->timerID == 0 )
- {
- stream->isActive = 0;
- result = paUnanticipatedHostError;
- PA_DS_SET_LAST_DIRECTSOUND_ERROR( hr );
- goto error;
- }
-
- stream->isStarted = TRUE;
-
-error:
- return result;
-}
-
-
-/***********************************************************************************/
-static PaError StopStream( PaStream *s )
-{
- PaError result = paNoError;
- PaWinDsStream *stream = (PaWinDsStream*)s;
- HRESULT hr;
- int timeoutMsec;
-
- stream->stopProcessing = 1;
- /* Set timeout at 20% beyond maximum time we might wait. */
- timeoutMsec = (int) (1200.0 * stream->framesPerDSBuffer / stream->streamRepresentation.streamInfo.sampleRate);
- while( stream->isActive && (timeoutMsec > 0) )
- {
- Sleep(10);
- timeoutMsec -= 10;
- }
- if( stream->timerID != 0 )
- {
- timeKillEvent(stream->timerID); /* Stop callback timer. */
- stream->timerID = 0;
- }
-
-
- if( stream->bufferProcessor.outputChannelCount > 0 )
- {
- hr = DSW_StopOutput( &stream->directSoundWrapper );
- }
-
- if( stream->bufferProcessor.inputChannelCount > 0 )
- {
- hr = DSW_StopInput( &stream->directSoundWrapper );
- }
-
- stream->isStarted = FALSE;
-
- return result;
-}
-
-
-/***********************************************************************************/
-static PaError AbortStream( PaStream *s )
-{
- PaWinDsStream *stream = (PaWinDsStream*)s;
-
- stream->abortProcessing = 1;
- return StopStream( s );
-}
-
-
-/***********************************************************************************/
-static PaError IsStreamStopped( PaStream *s )
-{
- PaWinDsStream *stream = (PaWinDsStream*)s;
-
- return !stream->isStarted;
-}
-
-
-/***********************************************************************************/
-static PaError IsStreamActive( PaStream *s )
-{
- PaWinDsStream *stream = (PaWinDsStream*)s;
-
- return stream->isActive;
-}
-
-/***********************************************************************************/
-static PaTime GetStreamTime( PaStream *s )
-{
- /* suppress unused variable warnings */
- (void) s;
-
-
-/*
- new behavior for GetStreamTime is to return a stream based seconds clock
- used for the outTime parameter to the callback.
- FIXME: delete this comment when the other unnecessary related code has
- been cleaned from this file.
-
- PaWinDsStream *stream = (PaWinDsStream*)s;
- DSoundWrapper *dsw;
- dsw = &stream->directSoundWrapper;
- return dsw->dsw_FramesPlayed;
-*/
- return PaUtil_GetTime();
-}
-
-
-/***********************************************************************************/
-static double GetStreamCpuLoad( PaStream* s )
-{
- PaWinDsStream *stream = (PaWinDsStream*)s;
-
- return PaUtil_GetCpuLoad( &stream->cpuLoadMeasurer );
-}
-
-
-
-/***********************************************************************************
- As separate stream interfaces are used for blocking and callback
- streams, the following functions can be guaranteed to only be called
- for blocking streams.
-*/
-
-static PaError ReadStream( PaStream* s,
- void *buffer,
- unsigned long frames )
-{
- PaWinDsStream *stream = (PaWinDsStream*)s;
-
- /* suppress unused variable warnings */
- (void) buffer;
- (void) frames;
- (void) stream;
-
- /* IMPLEMENT ME, see portaudio.h for required behavior*/
-
- return paNoError;
-}
-
-
-/***********************************************************************************/
-static PaError WriteStream( PaStream* s,
- const void *buffer,
- unsigned long frames )
-{
- PaWinDsStream *stream = (PaWinDsStream*)s;
-
- /* suppress unused variable warnings */
- (void) buffer;
- (void) frames;
- (void) stream;
-
- /* IMPLEMENT ME, see portaudio.h for required behavior*/
-
- return paNoError;
-}
-
-
-/***********************************************************************************/
-static signed long GetStreamReadAvailable( PaStream* s )
-{
- PaWinDsStream *stream = (PaWinDsStream*)s;
-
- /* suppress unused variable warnings */
- (void) stream;
-
- /* IMPLEMENT ME, see portaudio.h for required behavior*/
-
- return 0;
-}
-
-
-/***********************************************************************************/
-static signed long GetStreamWriteAvailable( PaStream* s )
-{
- PaWinDsStream *stream = (PaWinDsStream*)s;
-
- /* suppress unused variable warnings */
- (void) stream;
-
- /* IMPLEMENT ME, see portaudio.h for required behavior*/
-
- return 0;
-}
-
-
-
diff --git a/src/audio/portaudio/pa_win_wdmks/pa_win_wdmks.c b/src/audio/portaudio/pa_win_wdmks/pa_win_wdmks.c
deleted file mode 100644
index 18ffb28cf0..0000000000
--- a/src/audio/portaudio/pa_win_wdmks/pa_win_wdmks.c
+++ /dev/null
@@ -1,3179 +0,0 @@
-/*
- * $Id$
- * PortAudio Windows WDM-KS interface
- *
- * Author: Andrew Baldwin
- * Based on the Open Source API proposed by Ross Bencina
- * Copyright (c) 1999-2004 Andrew Baldwin, Ross Bencina, Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/** @file
- @brief Portaudio WDM-KS host API.
-
- @note This is the implementation of the Portaudio host API using the
- Windows WDM/Kernel Streaming API in order to enable very low latency
- playback and recording on all modern Windows platforms (e.g. 2K, XP)
- Note: This API accesses the device drivers below the usual KMIXER
- component which is normally used to enable multi-client mixing and
- format conversion. That means that it will lock out all other users
- of a device for the duration of active stream using those devices
-*/
-
-#include <stdio.h>
-
-/* Debugging/tracing support */
-
-#define PA_LOGE_
-#define PA_LOGL_
-
-#ifdef __GNUC__
- #include <initguid.h>
- #define _WIN32_WINNT 0x0501
- #define WINVER 0x0501
-#endif
-
-#include <string.h> /* strlen() */
-#include <assert.h>
-
-#include "pa_util.h"
-#include "pa_allocation.h"
-#include "pa_hostapi.h"
-#include "pa_stream.h"
-#include "pa_cpuload.h"
-#include "pa_process.h"
-#include "portaudio.h"
-
-#include <windows.h>
-#include <winioctl.h>
-
-
-#ifdef __GNUC__
- #undef PA_LOGE_
- #define PA_LOGE_ PA_DEBUG(("%s {\n",__FUNCTION__))
- #undef PA_LOGL_
- #define PA_LOGL_ PA_DEBUG(("} %s\n",__FUNCTION__))
- /* These defines are set in order to allow the WIndows DirectX
- * headers to compile with a GCC compiler such as MinGW
- * NOTE: The headers may generate a few warning in GCC, but
- * they should compile */
- #define _INC_MMSYSTEM
- #define _INC_MMREG
- #define _NTRTL_ /* Turn off default definition of DEFINE_GUIDEX */
- #define DEFINE_GUID_THUNK(name,guid) DEFINE_GUID(name,guid)
- #define DEFINE_GUIDEX(n) DEFINE_GUID_THUNK( n, STATIC_##n )
- #if !defined( DEFINE_WAVEFORMATEX_GUID )
- #define DEFINE_WAVEFORMATEX_GUID(x) (USHORT)(x), 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71
- #endif
- #define WAVE_FORMAT_ADPCM 0x0002
- #define WAVE_FORMAT_IEEE_FLOAT 0x0003
- #define WAVE_FORMAT_ALAW 0x0006
- #define WAVE_FORMAT_MULAW 0x0007
- #define WAVE_FORMAT_MPEG 0x0050
- #define WAVE_FORMAT_DRM 0x0009
- #define DYNAMIC_GUID_THUNK(l,w1,w2,b1,b2,b3,b4,b5,b6,b7,b8) {l,w1,w2,{b1,b2,b3,b4,b5,b6,b7,b8}}
- #define DYNAMIC_GUID(data) DYNAMIC_GUID_THUNK(data)
-#endif
-
-#ifdef _MSC_VER
- #define DYNAMIC_GUID(data) {data}
- #define _INC_MMREG
- #define _NTRTL_ /* Turn off default definition of DEFINE_GUIDEX */
- #undef DEFINE_GUID
- #define DEFINE_GUID(n,data) EXTERN_C const GUID n = {data}
- #define DEFINE_GUID_THUNK(n,data) DEFINE_GUID(n,data)
- #define DEFINE_GUIDEX(n) DEFINE_GUID_THUNK(n, STATIC_##n)
- #if !defined( DEFINE_WAVEFORMATEX_GUID )
- #define DEFINE_WAVEFORMATEX_GUID(x) (USHORT)(x), 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71
- #endif
- #define WAVE_FORMAT_ADPCM 0x0002
- #define WAVE_FORMAT_IEEE_FLOAT 0x0003
- #define WAVE_FORMAT_ALAW 0x0006
- #define WAVE_FORMAT_MULAW 0x0007
- #define WAVE_FORMAT_MPEG 0x0050
- #define WAVE_FORMAT_DRM 0x0009
-#endif
-
-#include <ks.h>
-#include <ksmedia.h>
-#include <tchar.h>
-#include <assert.h>
-#include <stdio.h>
-
-/* These next definitions allow the use of the KSUSER DLL */
-typedef KSDDKAPI DWORD WINAPI KSCREATEPIN(HANDLE, PKSPIN_CONNECT, ACCESS_MASK, PHANDLE);
-extern HMODULE DllKsUser;
-extern KSCREATEPIN* FunctionKsCreatePin;
-
-/* Forward definition to break circular type reference between pin and filter */
-struct __PaWinWdmFilter;
-typedef struct __PaWinWdmFilter PaWinWdmFilter;
-
-/* The Pin structure
- * A pin is an input or output node, e.g. for audio flow */
-typedef struct __PaWinWdmPin
-{
- HANDLE handle;
- PaWinWdmFilter* parentFilter;
- unsigned long pinId;
- KSPIN_CONNECT* pinConnect;
- unsigned long pinConnectSize;
- KSDATAFORMAT_WAVEFORMATEX* ksDataFormatWfx;
- KSPIN_COMMUNICATION communication;
- KSDATARANGE* dataRanges;
- KSMULTIPLE_ITEM* dataRangesItem;
- KSPIN_DATAFLOW dataFlow;
- KSPIN_CINSTANCES instances;
- unsigned long frameSize;
- int maxChannels;
- unsigned long formats;
- int bestSampleRate;
-}
-PaWinWdmPin;
-
-/* The Filter structure
- * A filter has a number of pins and a "friendly name" */
-struct __PaWinWdmFilter
-{
- HANDLE handle;
- int pinCount;
- PaWinWdmPin** pins;
- TCHAR filterName[MAX_PATH];
- TCHAR friendlyName[MAX_PATH];
- int maxInputChannels;
- int maxOutputChannels;
- unsigned long formats;
- int usageCount;
- int bestSampleRate;
-};
-
-/* PaWinWdmHostApiRepresentation - host api datastructure specific to this implementation */
-typedef struct __PaWinWdmHostApiRepresentation
-{
- PaUtilHostApiRepresentation inheritedHostApiRep;
- PaUtilStreamInterface callbackStreamInterface;
- PaUtilStreamInterface blockingStreamInterface;
-
- PaUtilAllocationGroup *allocations;
- PaWinWdmFilter** filters;
- int filterCount;
-}
-PaWinWdmHostApiRepresentation;
-
-typedef struct __PaWinWdmDeviceInfo
-{
- PaDeviceInfo inheritedDeviceInfo;
- PaWinWdmFilter* filter;
-}
-PaWinWdmDeviceInfo;
-
-typedef struct __DATAPACKET
-{
- KSSTREAM_HEADER Header;
- OVERLAPPED Signal;
-} DATAPACKET;
-
-/* PaWinWdmStream - a stream data structure specifically for this implementation */
-typedef struct __PaWinWdmStream
-{
- PaUtilStreamRepresentation streamRepresentation;
- PaUtilCpuLoadMeasurer cpuLoadMeasurer;
- PaUtilBufferProcessor bufferProcessor;
-
- PaWinWdmPin* recordingPin;
- PaWinWdmPin* playbackPin;
- char* hostBuffer;
- unsigned long framesPerHostIBuffer;
- unsigned long framesPerHostOBuffer;
- int bytesPerInputFrame;
- int bytesPerOutputFrame;
- int streamStarted;
- int streamActive;
- int streamStop;
- int streamAbort;
- int oldProcessPriority;
- HANDLE streamThread;
- HANDLE events[5]; /* 2 play + 2 record packets + abort events */
- DATAPACKET packets[4]; /* 2 play + 2 record */
- PaStreamFlags streamFlags;
- /* These values handle the case where the user wants to use fewer
- * channels than the device has */
- int userInputChannels;
- int deviceInputChannels;
- int userOutputChannels;
- int deviceOutputChannels;
- int inputSampleSize;
- int outputSampleSize;
-}
-PaWinWdmStream;
-
-#include <setupapi.h>
-
-HMODULE DllKsUser = NULL;
-KSCREATEPIN* FunctionKsCreatePin = NULL;
-
-/* prototypes for functions declared in this file */
-
-#ifdef __cplusplus
-extern "C"
-{
-#endif /* __cplusplus */
-
-PaError PaWinWdm_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiIndex index );
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
-
-/* Low level I/O functions */
-static PaError WdmSyncIoctl(HANDLE handle,
- unsigned long ioctlNumber,
- void* inBuffer,
- unsigned long inBufferCount,
- void* outBuffer,
- unsigned long outBufferCount,
- unsigned long* bytesReturned);
-static PaError WdmGetPropertySimple(HANDLE handle,
- const GUID* const guidPropertySet,
- unsigned long property,
- void* value,
- unsigned long valueCount,
- void* instance,
- unsigned long instanceCount);
-static PaError WdmSetPropertySimple(HANDLE handle,
- const GUID* const guidPropertySet,
- unsigned long property,
- void* value,
- unsigned long valueCount,
- void* instance,
- unsigned long instanceCount);
-static PaError WdmGetPinPropertySimple(HANDLE handle,
- unsigned long pinId,
- const GUID* const guidPropertySet,
- unsigned long property,
- void* value,
- unsigned long valueCount);
-static PaError WdmGetPinPropertyMulti(HANDLE handle,
- unsigned long pinId,
- const GUID* const guidPropertySet,
- unsigned long property,
- KSMULTIPLE_ITEM** ksMultipleItem);
-
-/** Pin management functions */
-static PaWinWdmPin* PinNew(PaWinWdmFilter* parentFilter, unsigned long pinId, PaError* error);
-static void PinFree(PaWinWdmPin* pin);
-static void PinClose(PaWinWdmPin* pin);
-static PaError PinInstantiate(PaWinWdmPin* pin);
-/*static PaError PinGetState(PaWinWdmPin* pin, KSSTATE* state); NOT USED */
-static PaError PinSetState(PaWinWdmPin* pin, KSSTATE state);
-static PaError PinSetFormat(PaWinWdmPin* pin, const WAVEFORMATEX* format);
-static PaError PinIsFormatSupported(PaWinWdmPin* pin, const WAVEFORMATEX* format);
-
-/* Filter management functions */
-static PaWinWdmFilter* FilterNew(
- TCHAR* filterName,
- TCHAR* friendlyName,
- PaError* error);
-static void FilterFree(PaWinWdmFilter* filter);
-static PaWinWdmPin* FilterCreateRenderPin(
- PaWinWdmFilter* filter,
- const WAVEFORMATEX* wfex,
- PaError* error);
-static PaWinWdmPin* FilterFindViableRenderPin(
- PaWinWdmFilter* filter,
- const WAVEFORMATEX* wfex,
- PaError* error);
-static PaError FilterCanCreateRenderPin(
- PaWinWdmFilter* filter,
- const WAVEFORMATEX* wfex);
-static PaWinWdmPin* FilterCreateCapturePin(
- PaWinWdmFilter* filter,
- const WAVEFORMATEX* wfex,
- PaError* error);
-static PaWinWdmPin* FilterFindViableCapturePin(
- PaWinWdmFilter* filter,
- const WAVEFORMATEX* wfex,
- PaError* error);
-static PaError FilterCanCreateCapturePin(
- PaWinWdmFilter* filter,
- const WAVEFORMATEX* pwfx);
-static PaError FilterUse(
- PaWinWdmFilter* filter);
-static void FilterRelease(
- PaWinWdmFilter* filter);
-
-/* Interface functions */
-static void Terminate( struct PaUtilHostApiRepresentation *hostApi );
-static PaError IsFormatSupported( struct PaUtilHostApiRepresentation *hostApi,
- const PaStreamParameters *inputParameters,
- const PaStreamParameters *outputParameters,
- double sampleRate );
-static PaError OpenStream( struct PaUtilHostApiRepresentation *hostApi,
- PaStream** s,
- const PaStreamParameters *inputParameters,
- const PaStreamParameters *outputParameters,
- double sampleRate,
- unsigned long framesPerBuffer,
- PaStreamFlags streamFlags,
- PaStreamCallback *streamCallback,
- void *userData );
-static PaError CloseStream( PaStream* stream );
-static PaError StartStream( PaStream *stream );
-static PaError StopStream( PaStream *stream );
-static PaError AbortStream( PaStream *stream );
-static PaError IsStreamStopped( PaStream *s );
-static PaError IsStreamActive( PaStream *stream );
-static PaTime GetStreamTime( PaStream *stream );
-static double GetStreamCpuLoad( PaStream* stream );
-static PaError ReadStream( PaStream* stream, void *buffer, unsigned long frames );
-static PaError WriteStream( PaStream* stream, const void *buffer, unsigned long frames );
-static signed long GetStreamReadAvailable( PaStream* stream );
-static signed long GetStreamWriteAvailable( PaStream* stream );
-
-/* Utility functions */
-static unsigned long GetWfexSize(const WAVEFORMATEX* wfex);
-static PaError BuildFilterList(PaWinWdmHostApiRepresentation* wdmHostApi);
-static BOOL PinWrite(HANDLE h, DATAPACKET* p);
-static BOOL PinRead(HANDLE h, DATAPACKET* p);
-static void DuplicateFirstChannelInt16(void* buffer, int channels, int samples);
-static void DuplicateFirstChannelInt24(void* buffer, int channels, int samples);
-static DWORD WINAPI ProcessingThread(LPVOID pParam);
-
-/* Function bodies */
-
-static unsigned long GetWfexSize(const WAVEFORMATEX* wfex)
-{
- if ( wfex->wFormatTag == WAVE_FORMAT_PCM )
- {
- return sizeof( WAVEFORMATEX );
- }
- else
- {
- return (sizeof( WAVEFORMATEX ) + wfex->cbSize);
- }
-}
-
-/*
-Low level pin/filter access functions
-*/
-static PaError WdmSyncIoctl(HANDLE handle,
- unsigned long ioctlNumber,
- void* inBuffer,
- unsigned long inBufferCount,
- void* outBuffer,
- unsigned long outBufferCount,
- unsigned long* bytesReturned)
-{
- PaError result = paNoError;
- OVERLAPPED overlapped;
- int boolResult;
- unsigned long dummyBytesReturned;
- unsigned long error;
-
- if (!bytesReturned)
- {
- /* User a dummy as the caller hasn't supplied one */
- bytesReturned = &dummyBytesReturned;
- }
-
- FillMemory((void *)&overlapped,sizeof(overlapped),0);
- overlapped.hEvent = CreateEvent(NULL,FALSE,FALSE,NULL);
- if ( !overlapped.hEvent )
- {
- result = paInsufficientMemory;
- goto error;
- }
- overlapped.hEvent = (HANDLE)((DWORD_PTR)overlapped.hEvent | 0x1);
-
- boolResult = DeviceIoControl(handle, ioctlNumber, inBuffer, inBufferCount,
- outBuffer, outBufferCount, bytesReturned, &overlapped);
- if ( !boolResult )
- {
- error = GetLastError();
- if ( error == ERROR_IO_PENDING )
- {
- error = WaitForSingleObject(overlapped.hEvent,INFINITE);
- if ( error != WAIT_OBJECT_0 )
- {
- result = paUnanticipatedHostError;
- goto error;
- }
- }
- else if ((( error == ERROR_INSUFFICIENT_BUFFER ) ||
- ( error == ERROR_MORE_DATA )) &&
- ( ioctlNumber == IOCTL_KS_PROPERTY ) &&
- ( outBufferCount == 0 ))
- {
- boolResult = TRUE;
- }
- else
- {
- result = paUnanticipatedHostError;
- }
- }
- if ( !boolResult )
- *bytesReturned = 0;
-
-error:
- if ( overlapped.hEvent )
- {
- CloseHandle( overlapped.hEvent );
- }
- return result;
-}
-
-static PaError WdmGetPropertySimple(HANDLE handle,
- const GUID* const guidPropertySet,
- unsigned long property,
- void* value,
- unsigned long valueCount,
- void* instance,
- unsigned long instanceCount)
-{
- PaError result;
- KSPROPERTY* ksProperty;
- unsigned long propertyCount;
-
- propertyCount = sizeof(KSPROPERTY) + instanceCount;
- ksProperty = (KSPROPERTY*)PaUtil_AllocateMemory( propertyCount );
- if( !ksProperty )
- {
- return paInsufficientMemory;
- }
-
- FillMemory((void*)ksProperty,sizeof(ksProperty),0);
- ksProperty->Set = *guidPropertySet;
- ksProperty->Id = property;
- ksProperty->Flags = KSPROPERTY_TYPE_GET;
-
- if ( instance )
- {
- memcpy( (void*)(((char*)ksProperty)+sizeof(KSPROPERTY)), instance, instanceCount );
- }
-
- result = WdmSyncIoctl(
- handle,
- IOCTL_KS_PROPERTY,
- ksProperty,
- propertyCount,
- value,
- valueCount,
- NULL);
-
- PaUtil_FreeMemory( ksProperty );
- return result;
-}
-
-static PaError WdmSetPropertySimple(
- HANDLE handle,
- const GUID* const guidPropertySet,
- unsigned long property,
- void* value,
- unsigned long valueCount,
- void* instance,
- unsigned long instanceCount)
-{
- PaError result;
- KSPROPERTY* ksProperty;
- unsigned long propertyCount = 0;
-
- propertyCount = sizeof(KSPROPERTY) + instanceCount;
- ksProperty = (KSPROPERTY*)PaUtil_AllocateMemory( propertyCount );
- if( !ksProperty )
- {
- return paInsufficientMemory;
- }
-
- ksProperty->Set = *guidPropertySet;
- ksProperty->Id = property;
- ksProperty->Flags = KSPROPERTY_TYPE_SET;
-
- if ( instance )
- {
- memcpy((void*)((char*)ksProperty + sizeof(KSPROPERTY)), instance, instanceCount);
- }
-
- result = WdmSyncIoctl(
- handle,
- IOCTL_KS_PROPERTY,
- ksProperty,
- propertyCount,
- value,
- valueCount,
- NULL);
-
- PaUtil_FreeMemory( ksProperty );
- return result;
-}
-
-static PaError WdmGetPinPropertySimple(
- HANDLE handle,
- unsigned long pinId,
- const GUID* const guidPropertySet,
- unsigned long property,
- void* value,
- unsigned long valueCount)
-{
- PaError result;
-
- KSP_PIN ksPProp;
- ksPProp.Property.Set = *guidPropertySet;
- ksPProp.Property.Id = property;
- ksPProp.Property.Flags = KSPROPERTY_TYPE_GET;
- ksPProp.PinId = pinId;
- ksPProp.Reserved = 0;
-
- result = WdmSyncIoctl(
- handle,
- IOCTL_KS_PROPERTY,
- &ksPProp,
- sizeof(KSP_PIN),
- value,
- valueCount,
- NULL);
-
- return result;
-}
-
-static PaError WdmGetPinPropertyMulti(
- HANDLE handle,
- unsigned long pinId,
- const GUID* const guidPropertySet,
- unsigned long property,
- KSMULTIPLE_ITEM** ksMultipleItem)
-{
- PaError result;
- unsigned long multipleItemSize = 0;
- KSP_PIN ksPProp;
-
- ksPProp.Property.Set = *guidPropertySet;
- ksPProp.Property.Id = property;
- ksPProp.Property.Flags = KSPROPERTY_TYPE_GET;
- ksPProp.PinId = pinId;
- ksPProp.Reserved = 0;
-
- result = WdmSyncIoctl(
- handle,
- IOCTL_KS_PROPERTY,
- &ksPProp.Property,
- sizeof(KSP_PIN),
- NULL,
- 0,
- &multipleItemSize);
- if ( result != paNoError )
- {
- return result;
- }
-
- *ksMultipleItem = (KSMULTIPLE_ITEM*)PaUtil_AllocateMemory( multipleItemSize );
- if( !*ksMultipleItem )
- {
- return paInsufficientMemory;
- }
-
- result = WdmSyncIoctl(
- handle,
- IOCTL_KS_PROPERTY,
- &ksPProp,
- sizeof(KSP_PIN),
- (void*)*ksMultipleItem,
- multipleItemSize,
- NULL);
-
- if ( result != paNoError )
- {
- PaUtil_FreeMemory( ksMultipleItem );
- }
-
- return result;
-}
-
-
-/*
-Create a new pin object belonging to a filter
-The pin object holds all the configuration information about the pin
-before it is opened, and then the handle of the pin after is opened
-*/
-static PaWinWdmPin* PinNew(PaWinWdmFilter* parentFilter, unsigned long pinId, PaError* error)
-{
- PaWinWdmPin* pin;
- PaError result;
- unsigned long i;
- KSMULTIPLE_ITEM* item = NULL;
- KSIDENTIFIER* identifier;
- KSDATARANGE* dataRange;
-
- PA_LOGE_;
- PA_DEBUG(("Creating pin %d:\n",pinId));
-
- /* Allocate the new PIN object */
- pin = (PaWinWdmPin*)PaUtil_AllocateMemory( sizeof(PaWinWdmPin) );
- if( !pin )
- {
- result = paInsufficientMemory;
- goto error;
- }
-
- /* Zero the pin object */
- /* memset( (void*)pin, 0, sizeof(PaWinWdmPin) ); */
-
- pin->parentFilter = parentFilter;
- pin->pinId = pinId;
-
- /* Allocate a connect structure */
- pin->pinConnectSize = sizeof(KSPIN_CONNECT) + sizeof(KSDATAFORMAT_WAVEFORMATEX);
- pin->pinConnect = (KSPIN_CONNECT*)PaUtil_AllocateMemory( pin->pinConnectSize );
- if( !pin->pinConnect )
- {
- result = paInsufficientMemory;
- goto error;
- }
-
- /* Configure the connect structure with default values */
- pin->pinConnect->Interface.Set = KSINTERFACESETID_Standard;
- pin->pinConnect->Interface.Id = KSINTERFACE_STANDARD_STREAMING;
- pin->pinConnect->Interface.Flags = 0;
- pin->pinConnect->Medium.Set = KSMEDIUMSETID_Standard;
- pin->pinConnect->Medium.Id = KSMEDIUM_TYPE_ANYINSTANCE;
- pin->pinConnect->Medium.Flags = 0;
- pin->pinConnect->PinId = pinId;
- pin->pinConnect->PinToHandle = NULL;
- pin->pinConnect->Priority.PriorityClass = KSPRIORITY_NORMAL;
- pin->pinConnect->Priority.PrioritySubClass = 1;
- pin->ksDataFormatWfx = (KSDATAFORMAT_WAVEFORMATEX*)(pin->pinConnect + 1);
- pin->ksDataFormatWfx->DataFormat.FormatSize = sizeof(KSDATAFORMAT_WAVEFORMATEX);
- pin->ksDataFormatWfx->DataFormat.Flags = 0;
- pin->ksDataFormatWfx->DataFormat.Reserved = 0;
- pin->ksDataFormatWfx->DataFormat.MajorFormat = KSDATAFORMAT_TYPE_AUDIO;
- pin->ksDataFormatWfx->DataFormat.SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
- pin->ksDataFormatWfx->DataFormat.Specifier = KSDATAFORMAT_SPECIFIER_WAVEFORMATEX;
-
- pin->frameSize = 0; /* Unknown until we instantiate pin */
-
- /* Get the COMMUNICATION property */
- result = WdmGetPinPropertySimple(
- parentFilter->handle,
- pinId,
- &KSPROPSETID_Pin,
- KSPROPERTY_PIN_COMMUNICATION,
- &pin->communication,
- sizeof(KSPIN_COMMUNICATION));
- if ( result != paNoError )
- goto error;
-
- if ( /*(pin->communication != KSPIN_COMMUNICATION_SOURCE) &&*/
- (pin->communication != KSPIN_COMMUNICATION_SINK) &&
- (pin->communication != KSPIN_COMMUNICATION_BOTH) )
- {
- PA_DEBUG(("Not source/sink\n"));
- result = paInvalidDevice;
- goto error;
- }
-
- /* Get dataflow information */
- result = WdmGetPinPropertySimple(
- parentFilter->handle,
- pinId,
- &KSPROPSETID_Pin,
- KSPROPERTY_PIN_DATAFLOW,
- &pin->dataFlow,
- sizeof(KSPIN_DATAFLOW));
-
- if ( result != paNoError )
- goto error;
-
- /* Get the INTERFACE property list */
- result = WdmGetPinPropertyMulti(
- parentFilter->handle,
- pinId,
- &KSPROPSETID_Pin,
- KSPROPERTY_PIN_INTERFACES,
- &item);
-
- if ( result != paNoError )
- goto error;
-
- identifier = (KSIDENTIFIER*)(item+1);
-
- /* Check that at least one interface is STANDARD_STREAMING */
- result = paUnanticipatedHostError;
- for ( i = 0; i < item->Count; i++ )
- {
- if ( !memcmp( (void*)&identifier[i].Set, (void*)&KSINTERFACESETID_Standard, sizeof( GUID ) ) &&
- ( identifier[i].Id == KSINTERFACE_STANDARD_STREAMING ) )
- {
- result = paNoError;
- break;
- }
- }
-
- if ( result != paNoError )
- {
- PA_DEBUG(("No standard streaming\n"));
- goto error;
- }
-
- /* Don't need interfaces any more */
- PaUtil_FreeMemory( item );
- item = NULL;
-
- /* Get the MEDIUM properties list */
- result = WdmGetPinPropertyMulti(
- parentFilter->handle,
- pinId,
- &KSPROPSETID_Pin,
- KSPROPERTY_PIN_MEDIUMS,
- &item);
-
- if ( result != paNoError )
- goto error;
-
- identifier = (KSIDENTIFIER*)(item+1); /* Not actually necessary... */
-
- /* Check that at least one medium is STANDARD_DEVIO */
- result = paUnanticipatedHostError;
- for ( i = 0; i < item->Count; i++ )
- {
- if ( !memcmp( (void*)&identifier[i].Set, (void*)&KSMEDIUMSETID_Standard, sizeof( GUID ) ) &&
- ( identifier[i].Id == KSMEDIUM_STANDARD_DEVIO ) )
- {
- result = paNoError;
- break;
- }
- }
-
- if ( result != paNoError )
- {
- PA_DEBUG(("No standard devio\n"));
- goto error;
- }
- /* Don't need mediums any more */
- PaUtil_FreeMemory( item );
- item = NULL;
-
- /* Get DATARANGES */
- result = WdmGetPinPropertyMulti(
- parentFilter->handle,
- pinId,
- &KSPROPSETID_Pin,
- KSPROPERTY_PIN_DATARANGES,
- &pin->dataRangesItem);
-
- if ( result != paNoError )
- goto error;
-
- pin->dataRanges = (KSDATARANGE*)(pin->dataRangesItem +1);
-
- /* Check that at least one datarange supports audio */
- result = paUnanticipatedHostError;
- dataRange = pin->dataRanges;
- pin->maxChannels = 0;
- pin->bestSampleRate = 0;
- pin->formats = 0;
- for ( i = 0; i <pin->dataRangesItem->Count; i++)
- {
- PA_DEBUG(("DR major format %x\n",*(unsigned long*)(&(dataRange->MajorFormat))));
- /* Check that subformat is WAVEFORMATEX, PCM or WILDCARD */
- if (
- IS_VALID_WAVEFORMATEX_GUID(&dataRange->SubFormat) ||
- !memcmp((void*)&dataRange->SubFormat, (void*)&KSDATAFORMAT_SUBTYPE_PCM, sizeof ( GUID ) ) ||
- ( !memcmp((void*)&dataRange->SubFormat, (void*)&KSDATAFORMAT_SUBTYPE_WILDCARD, sizeof ( GUID ) ) &&
- ( !memcmp((void*)&dataRange->MajorFormat, (void*)&KSDATAFORMAT_TYPE_AUDIO, sizeof ( GUID ) ) ) ) )
- {
- result = paNoError;
- /* Record the maximum possible channels with this pin */
- PA_DEBUG(("MaxChannel: %d\n",pin->maxChannels));
- if ((int)((KSDATARANGE_AUDIO*)dataRange)->MaximumChannels > pin->maxChannels)
- {
- pin->maxChannels = ((KSDATARANGE_AUDIO*)dataRange)->MaximumChannels;
- /*PA_DEBUG(("MaxChannel: %d\n",pin->maxChannels));*/
- }
- /* Record the formats (bit depths) that are supported */
- if (((KSDATARANGE_AUDIO*)dataRange)->MinimumBitsPerSample <= 16)
- {
- pin->formats |= paInt16;
- PA_DEBUG(("Format 16 bit supported\n"));
- }
- if (((KSDATARANGE_AUDIO*)dataRange)->MaximumBitsPerSample >= 24)
- {
- pin->formats |= paInt24;
- PA_DEBUG(("Format 24 bit supported\n"));
- }
- if (
- ( pin->bestSampleRate != 48000) &&
- (((KSDATARANGE_AUDIO*)dataRange)->MaximumSampleFrequency >= 48000) &&
- (((KSDATARANGE_AUDIO*)dataRange)->MinimumSampleFrequency <= 48000) )
- {
- pin->bestSampleRate = 48000;
- PA_DEBUG(("48kHz supported\n"));
- }
- else if (
- ( pin->bestSampleRate != 48000) && ( pin->bestSampleRate != 44100 ) &&
- (((KSDATARANGE_AUDIO*)dataRange)->MaximumSampleFrequency >= 44100) &&
- (((KSDATARANGE_AUDIO*)dataRange)->MinimumSampleFrequency <= 44100) )
- {
- pin->bestSampleRate = 44100;
- PA_DEBUG(("44.1kHz supported\n"));
- }
- else
- {
- pin->bestSampleRate = ((KSDATARANGE_AUDIO*)dataRange)->MaximumSampleFrequency;
- }
- }
- dataRange = (KSDATARANGE*)( ((char*)dataRange) + dataRange->FormatSize);
- }
-
- if ( result != paNoError )
- goto error;
-
- /* Get instance information */
- result = WdmGetPinPropertySimple(
- parentFilter->handle,
- pinId,
- &KSPROPSETID_Pin,
- KSPROPERTY_PIN_CINSTANCES,
- &pin->instances,
- sizeof(KSPIN_CINSTANCES));
-
- if ( result != paNoError )
- goto error;
-
- /* Success */
- *error = paNoError;
- PA_DEBUG(("Pin created successfully\n"));
- PA_LOGL_;
- return pin;
-
-error:
- /*
- Error cleanup
- */
- PaUtil_FreeMemory( item );
- if ( pin )
- {
- PaUtil_FreeMemory( pin->pinConnect );
- PaUtil_FreeMemory( pin->dataRangesItem );
- PaUtil_FreeMemory( pin );
- }
- *error = result;
- PA_LOGL_;
- return NULL;
-}
-
-/*
-Safely free all resources associated with the pin
-*/
-static void PinFree(PaWinWdmPin* pin)
-{
- PA_LOGE_;
- if ( pin )
- {
- PinClose(pin);
- if ( pin->pinConnect )
- {
- PaUtil_FreeMemory( pin->pinConnect );
- }
- if ( pin->dataRangesItem )
- {
- PaUtil_FreeMemory( pin->dataRangesItem );
- }
- PaUtil_FreeMemory( pin );
- }
- PA_LOGL_;
-}
-
-/*
-If the pin handle is open, close it
-*/
-static void PinClose(PaWinWdmPin* pin)
-{
- PA_LOGE_;
- if ( pin == NULL )
- {
- PA_DEBUG(("Closing NULL pin!"));
- PA_LOGL_;
- return;
- }
- if ( pin->handle != NULL )
- {
- PinSetState( pin, KSSTATE_PAUSE );
- PinSetState( pin, KSSTATE_STOP );
- CloseHandle( pin->handle );
- pin->handle = NULL;
- FilterRelease(pin->parentFilter);
- }
- PA_LOGL_;
-}
-
-/*
-Set the state of this (instantiated) pin
-*/
-static PaError PinSetState(PaWinWdmPin* pin, KSSTATE state)
-{
- PaError result;
-
- PA_LOGE_;
- if ( pin == NULL )
- return paInternalError;
- if ( pin->handle == NULL )
- return paInternalError;
-
- result = WdmSetPropertySimple(
- pin->handle,
- &KSPROPSETID_Connection,
- KSPROPERTY_CONNECTION_STATE,
- &state,
- sizeof(state),
- NULL,
- 0);
- PA_LOGL_;
- return result;
-}
-
-static PaError PinInstantiate(PaWinWdmPin* pin)
-{
- PaError result;
- unsigned long createResult;
- KSALLOCATOR_FRAMING ksaf;
- KSALLOCATOR_FRAMING_EX ksafex;
-
- PA_LOGE_;
-
- if ( pin == NULL )
- return paInternalError;
- if (!pin->pinConnect)
- return paInternalError;
-
- FilterUse(pin->parentFilter);
-
- createResult = FunctionKsCreatePin(
- pin->parentFilter->handle,
- pin->pinConnect,
- GENERIC_WRITE | GENERIC_READ,
- &pin->handle
- );
-
- PA_DEBUG(("Pin create result = %x\n",createResult));
- if ( createResult != ERROR_SUCCESS )
- {
- FilterRelease(pin->parentFilter);
- pin->handle = NULL;
- return paInvalidDevice;
- }
-
- result = WdmGetPropertySimple(
- pin->handle,
- &KSPROPSETID_Connection,
- KSPROPERTY_CONNECTION_ALLOCATORFRAMING,
- &ksaf,
- sizeof(ksaf),
- NULL,
- 0);
-
- if ( result != paNoError )
- {
- result = WdmGetPropertySimple(
- pin->handle,
- &KSPROPSETID_Connection,
- KSPROPERTY_CONNECTION_ALLOCATORFRAMING_EX,
- &ksafex,
- sizeof(ksafex),
- NULL,
- 0);
- if ( result == paNoError )
- {
- pin->frameSize = ksafex.FramingItem[0].FramingRange.Range.MinFrameSize;
- }
- }
- else
- {
- pin->frameSize = ksaf.FrameSize;
- }
-
- PA_LOGL_;
-
- return paNoError;
-}
-
-/* NOT USED
-static PaError PinGetState(PaWinWdmPin* pin, KSSTATE* state)
-{
- PaError result;
-
- if ( state == NULL )
- return paInternalError;
- if ( pin == NULL )
- return paInternalError;
- if ( pin->handle == NULL )
- return paInternalError;
-
- result = WdmGetPropertySimple(
- pin->handle,
- KSPROPSETID_Connection,
- KSPROPERTY_CONNECTION_STATE,
- state,
- sizeof(KSSTATE),
- NULL,
- 0);
-
- return result;
-}
-*/
-static PaError PinSetFormat(PaWinWdmPin* pin, const WAVEFORMATEX* format)
-{
- unsigned long size;
- void* newConnect;
-
- PA_LOGE_;
-
- if ( pin == NULL )
- return paInternalError;
- if ( format == NULL )
- return paInternalError;
-
- size = GetWfexSize(format) + sizeof(KSPIN_CONNECT) + sizeof(KSDATAFORMAT_WAVEFORMATEX) - sizeof(WAVEFORMATEX);
-
- if ( pin->pinConnectSize != size )
- {
- newConnect = PaUtil_AllocateMemory( size );
- if ( newConnect == NULL )
- return paInsufficientMemory;
- memcpy( newConnect, (void*)pin->pinConnect, min(pin->pinConnectSize,size) );
- PaUtil_FreeMemory( pin->pinConnect );
- pin->pinConnect = (KSPIN_CONNECT*)newConnect;
- pin->pinConnectSize = size;
- pin->ksDataFormatWfx = (KSDATAFORMAT_WAVEFORMATEX*)((KSPIN_CONNECT*)newConnect + 1);
- pin->ksDataFormatWfx->DataFormat.FormatSize = size - sizeof(KSPIN_CONNECT);
- }
-
- memcpy( (void*)&(pin->ksDataFormatWfx->WaveFormatEx), format, GetWfexSize(format) );
- pin->ksDataFormatWfx->DataFormat.SampleSize = (unsigned short)(format->nChannels * (format->wBitsPerSample / 8));
-
- PA_LOGL_;
-
- return paNoError;
-}
-
-static PaError PinIsFormatSupported(PaWinWdmPin* pin, const WAVEFORMATEX* format)
-{
- KSDATARANGE_AUDIO* dataRange;
- unsigned long count;
- GUID guid = DYNAMIC_GUID( DEFINE_WAVEFORMATEX_GUID(format->wFormatTag) );
- PaError result = paInvalidDevice;
-
- PA_LOGE_;
-
- if ( format->wFormatTag == WAVE_FORMAT_EXTENSIBLE )
- {
- guid = ((WAVEFORMATEXTENSIBLE*)format)->SubFormat;
- }
- dataRange = (KSDATARANGE_AUDIO*)pin->dataRanges;
- for (count = 0; count<pin->dataRangesItem->Count; count++)
- {
- if (( !memcmp(&(dataRange->DataRange.MajorFormat),&KSDATAFORMAT_TYPE_AUDIO,sizeof(GUID)) ) ||
- ( !memcmp(&(dataRange->DataRange.MajorFormat),&KSDATAFORMAT_TYPE_WILDCARD,sizeof(GUID)) ))
- {
- /* This is an audio or wildcard datarange... */
- if (( !memcmp(&(dataRange->DataRange.SubFormat),&KSDATAFORMAT_SUBTYPE_WILDCARD,sizeof(GUID)) ) ||
- ( !memcmp(&(dataRange->DataRange.SubFormat),&guid,sizeof(GUID)) ))
- {
- if (( !memcmp(&(dataRange->DataRange.Specifier),&KSDATAFORMAT_SPECIFIER_WILDCARD,sizeof(GUID)) ) ||
- ( !memcmp(&(dataRange->DataRange.Specifier),&KSDATAFORMAT_SPECIFIER_WAVEFORMATEX,sizeof(GUID) )))
- {
-
- PA_DEBUG(("Pin:%x, DataRange:%d\n",(void*)pin,count));
- PA_DEBUG(("\tFormatSize:%d, SampleSize:%d\n",dataRange->DataRange.FormatSize,dataRange->DataRange.SampleSize));
- PA_DEBUG(("\tMaxChannels:%d\n",dataRange->MaximumChannels));
- PA_DEBUG(("\tBits:%d-%d\n",dataRange->MinimumBitsPerSample,dataRange->MaximumBitsPerSample));
- PA_DEBUG(("\tSampleRate:%d-%d\n",dataRange->MinimumSampleFrequency,dataRange->MaximumSampleFrequency));
-
- if ( dataRange->MaximumChannels < format->nChannels )
- {
- result = paInvalidChannelCount;
- continue;
- }
- if ( dataRange->MinimumBitsPerSample > format->wBitsPerSample )
- {
- result = paSampleFormatNotSupported;
- continue;
- }
- if ( dataRange->MaximumBitsPerSample < format->wBitsPerSample )
- {
- result = paSampleFormatNotSupported;
- continue;
- }
- if ( dataRange->MinimumSampleFrequency > format->nSamplesPerSec )
- {
- result = paInvalidSampleRate;
- continue;
- }
- if ( dataRange->MaximumSampleFrequency < format->nSamplesPerSec )
- {
- result = paInvalidSampleRate;
- continue;
- }
- /* Success! */
- PA_LOGL_;
- return paNoError;
- }
- }
- }
- dataRange = (KSDATARANGE_AUDIO*)( ((char*)dataRange) + dataRange->DataRange.FormatSize);
- }
-
- PA_LOGL_;
-
- return result;
-}
-
-/**
- * Create a new filter object
- */
-static PaWinWdmFilter* FilterNew(TCHAR* filterName, TCHAR* friendlyName, PaError* error)
-{
- PaWinWdmFilter* filter;
- PaError result;
- int pinId;
- int valid;
-
-
- /* Allocate the new filter object */
- filter = (PaWinWdmFilter*)PaUtil_AllocateMemory( sizeof(PaWinWdmFilter) );
- if( !filter )
- {
- result = paInsufficientMemory;
- goto error;
- }
-
- /* Zero the filter object - done by AllocateMemory */
- /* memset( (void*)filter, 0, sizeof(PaWinWdmFilter) ); */
-
- /* Copy the filter name */
- _tcsncpy(filter->filterName, filterName, MAX_PATH);
-
- /* Copy the friendly name */
- _tcsncpy(filter->friendlyName, friendlyName, MAX_PATH);
-
- /* Open the filter handle */
- result = FilterUse(filter);
- if ( result != paNoError )
- {
- goto error;
- }
-
- /* Get pin count */
- result = WdmGetPinPropertySimple
- (
- filter->handle,
- 0,
- &KSPROPSETID_Pin,
- KSPROPERTY_PIN_CTYPES,
- &filter->pinCount,
- sizeof(filter->pinCount)
- );
-
- if ( result != paNoError)
- {
- goto error;
- }
-
- /* Allocate pointer array to hold the pins */
- filter->pins = (PaWinWdmPin**)PaUtil_AllocateMemory( sizeof(PaWinWdmPin*) * filter->pinCount );
- if( !filter->pins )
- {
- result = paInsufficientMemory;
- goto error;
- }
-
- /* Create all the pins we can */
- filter->maxInputChannels = 0;
- filter->maxOutputChannels = 0;
- filter->bestSampleRate = 0;
-
- valid = 0;
- for (pinId = 0; pinId < filter->pinCount; pinId++)
- {
- /* Create the pin with this Id */
- PaWinWdmPin* newPin;
- newPin = PinNew(filter, pinId, &result);
- if ( result == paInsufficientMemory )
- goto error;
- if ( newPin != NULL )
- {
- filter->pins[pinId] = newPin;
- valid = 1;
-
- /* Get the max output channel count */
- if (( newPin->dataFlow == KSPIN_DATAFLOW_IN ) &&
- (( newPin->communication == KSPIN_COMMUNICATION_SINK) ||
- ( newPin->communication == KSPIN_COMMUNICATION_BOTH)))
- {
- if (newPin->maxChannels > filter->maxOutputChannels)
- filter->maxOutputChannels = newPin->maxChannels;
- filter->formats |= newPin->formats;
- }
- /* Get the max input channel count */
- if (( newPin->dataFlow == KSPIN_DATAFLOW_OUT ) &&
- (( newPin->communication == KSPIN_COMMUNICATION_SINK) ||
- ( newPin->communication == KSPIN_COMMUNICATION_BOTH)))
- {
- if (newPin->maxChannels > filter->maxInputChannels)
- filter->maxInputChannels = newPin->maxChannels;
- filter->formats |= newPin->formats;
- }
-
- if (newPin->bestSampleRate > filter->bestSampleRate)
- {
- filter->bestSampleRate = newPin->bestSampleRate;
- }
- }
- }
-
- if (( filter->maxInputChannels == 0) && ( filter->maxOutputChannels == 0))
- {
- /* No input or output... not valid */
- valid = 0;
- }
-
- if ( !valid )
- {
- /* No valid pin was found on this filter so we destroy it */
- result = paDeviceUnavailable;
- goto error;
- }
-
- /* Close the filter handle for now
- * It will be opened later when needed */
- FilterRelease(filter);
-
- *error = paNoError;
- return filter;
-
-error:
- /*
- Error cleanup
- */
- if ( filter )
- {
- for ( pinId = 0; pinId < filter->pinCount; pinId++ )
- PinFree(filter->pins[pinId]);
- PaUtil_FreeMemory( filter->pins );
- if ( filter->handle )
- CloseHandle( filter->handle );
- PaUtil_FreeMemory( filter );
- }
- *error = result;
- return NULL;
-}
-
-/**
- * Free a previously created filter
- */
-static void FilterFree(PaWinWdmFilter* filter)
-{
- int pinId;
- PA_LOGL_;
- if ( filter )
- {
- for ( pinId = 0; pinId < filter->pinCount; pinId++ )
- PinFree(filter->pins[pinId]);
- PaUtil_FreeMemory( filter->pins );
- if ( filter->handle )
- CloseHandle( filter->handle );
- PaUtil_FreeMemory( filter );
- }
- PA_LOGE_;
-}
-
-/**
- * Reopen the filter handle if necessary so it can be used
- **/
-static PaError FilterUse(PaWinWdmFilter* filter)
-{
- assert( filter );
-
- PA_LOGE_;
- if ( filter->handle == NULL )
- {
- /* Open the filter */
- filter->handle = CreateFile(
- filter->filterName,
- GENERIC_READ | GENERIC_WRITE,
- 0,
- NULL,
- OPEN_EXISTING,
- FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED,
- NULL);
-
- if ( filter->handle == NULL )
- {
- return paDeviceUnavailable;
- }
- }
- filter->usageCount++;
- PA_LOGL_;
- return paNoError;
-}
-
-/**
- * Release the filter handle if nobody is using it
- **/
-static void FilterRelease(PaWinWdmFilter* filter)
-{
- assert( filter );
- assert( filter->usageCount > 0 );
-
- PA_LOGE_;
- filter->usageCount--;
- if ( filter->usageCount == 0 )
- {
- if ( filter->handle != NULL )
- {
- CloseHandle( filter->handle );
- filter->handle = NULL;
- }
- }
- PA_LOGL_;
-}
-
-/**
- * Create a render (playback) Pin using the supplied format
- **/
-static PaWinWdmPin* FilterCreateRenderPin(PaWinWdmFilter* filter,
- const WAVEFORMATEX* wfex,
- PaError* error)
-{
- PaError result;
- PaWinWdmPin* pin;
-
- assert( filter );
-
- pin = FilterFindViableRenderPin(filter,wfex,&result);
- if (!pin)
- {
- goto error;
- }
- result = PinSetFormat(pin,wfex);
- if ( result != paNoError )
- {
- goto error;
- }
- result = PinInstantiate(pin);
- if ( result != paNoError )
- {
- goto error;
- }
-
- *error = paNoError;
- return pin;
-
-error:
- *error = result;
- return NULL;
-}
-
-/**
- * Find a pin that supports the given format
- **/
-static PaWinWdmPin* FilterFindViableRenderPin(PaWinWdmFilter* filter,
- const WAVEFORMATEX* wfex,
- PaError* error)
-{
- int pinId;
- PaWinWdmPin* pin;
- PaError result = paDeviceUnavailable;
- *error = paNoError;
-
- assert( filter );
-
- for ( pinId = 0; pinId<filter->pinCount; pinId++ )
- {
- pin = filter->pins[pinId];
- if ( pin != NULL )
- {
- if (( pin->dataFlow == KSPIN_DATAFLOW_IN ) &&
- (( pin->communication == KSPIN_COMMUNICATION_SINK) ||
- ( pin->communication == KSPIN_COMMUNICATION_BOTH)))
- {
- result = PinIsFormatSupported( pin, wfex );
- if ( result == paNoError )
- {
- return pin;
- }
- }
- }
- }
-
- *error = result;
- return NULL;
-}
-
-/**
- * Check if there is a pin that should playback
- * with the supplied format
- **/
-static PaError FilterCanCreateRenderPin(PaWinWdmFilter* filter,
- const WAVEFORMATEX* wfex)
-{
- PaWinWdmPin* pin;
- PaError result;
-
- assert ( filter );
-
- pin = FilterFindViableRenderPin(filter,wfex,&result);
- /* result will be paNoError if pin found
- * or else an error code indicating what is wrong with the format
- **/
- return result;
-}
-
-/**
- * Create a capture (record) Pin using the supplied format
- **/
-static PaWinWdmPin* FilterCreateCapturePin(PaWinWdmFilter* filter,
- const WAVEFORMATEX* wfex,
- PaError* error)
-{
- PaError result;
- PaWinWdmPin* pin;
-
- assert( filter );
-
- pin = FilterFindViableCapturePin(filter,wfex,&result);
- if (!pin)
- {
- goto error;
- }
-
- result = PinSetFormat(pin,wfex);
- if ( result != paNoError )
- {
- goto error;
- }
-
- result = PinInstantiate(pin);
- if ( result != paNoError )
- {
- goto error;
- }
-
- *error = paNoError;
- return pin;
-
-error:
- *error = result;
- return NULL;
-}
-
-/**
- * Find a capture pin that supports the given format
- **/
-static PaWinWdmPin* FilterFindViableCapturePin(PaWinWdmFilter* filter,
- const WAVEFORMATEX* wfex,
- PaError* error)
-{
- int pinId;
- PaWinWdmPin* pin;
- PaError result = paDeviceUnavailable;
- *error = paNoError;
-
- assert( filter );
-
- for ( pinId = 0; pinId<filter->pinCount; pinId++ )
- {
- pin = filter->pins[pinId];
- if ( pin != NULL )
- {
- if (( pin->dataFlow == KSPIN_DATAFLOW_OUT ) &&
- (( pin->communication == KSPIN_COMMUNICATION_SINK) ||
- ( pin->communication == KSPIN_COMMUNICATION_BOTH)))
- {
- result = PinIsFormatSupported( pin, wfex );
- if ( result == paNoError )
- {
- return pin;
- }
- }
- }
- }
-
- *error = result;
- return NULL;
-}
-
-/**
- * Check if there is a pin that should playback
- * with the supplied format
- **/
-static PaError FilterCanCreateCapturePin(PaWinWdmFilter* filter,
- const WAVEFORMATEX* wfex)
-{
- PaWinWdmPin* pin;
- PaError result;
-
- assert ( filter );
-
- pin = FilterFindViableCapturePin(filter,wfex,&result);
- /* result will be paNoError if pin found
- * or else an error code indicating what is wrong with the format
- **/
- return result;
-}
-
-/**
- * Build the list of available filters
- */
-static PaError BuildFilterList(PaWinWdmHostApiRepresentation* wdmHostApi)
-{
- PaError result = paNoError;
- HDEVINFO handle = NULL;
- int device;
- int invalidDevices;
- int slot;
- SP_DEVICE_INTERFACE_DATA interfaceData;
- SP_DEVICE_INTERFACE_DATA aliasData;
- SP_DEVINFO_DATA devInfoData;
- int noError;
- const int sizeInterface = sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA) + (MAX_PATH * sizeof(WCHAR));
- unsigned char interfaceDetailsArray[sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA) + (MAX_PATH * sizeof(WCHAR))];
- SP_DEVICE_INTERFACE_DETAIL_DATA* devInterfaceDetails = (SP_DEVICE_INTERFACE_DETAIL_DATA*)interfaceDetailsArray;
- TCHAR friendlyName[MAX_PATH];
- HKEY hkey;
- DWORD sizeFriendlyName;
- DWORD type;
- PaWinWdmFilter* newFilter;
- GUID* category = (GUID*)&KSCATEGORY_AUDIO;
- GUID* alias_render = (GUID*)&KSCATEGORY_RENDER;
- GUID* alias_capture = (GUID*)&KSCATEGORY_CAPTURE;
- DWORD hasAlias;
-
- PA_LOGE_;
-
- devInterfaceDetails->cbSize = sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA);
-
- /* Open a handle to search for devices (filters) */
- handle = SetupDiGetClassDevs(category,NULL,NULL,DIGCF_PRESENT | DIGCF_DEVICEINTERFACE);
- if ( handle == NULL )
- {
- return paUnanticipatedHostError;
- }
- PA_DEBUG(("Setup called\n"));
-
- /* First let's count the number of devices so we can allocate a list */
- invalidDevices = 0;
- for ( device = 0;;device++ )
- {
- interfaceData.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA);
- interfaceData.Reserved = 0;
- aliasData.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA);
- aliasData.Reserved = 0;
- noError = SetupDiEnumDeviceInterfaces(handle,NULL,category,device,&interfaceData);
- PA_DEBUG(("Enum called\n"));
- if ( !noError )
- break; /* No more devices */
-
- /* Check this one has the render or capture alias */
- hasAlias = 0;
- noError = SetupDiGetDeviceInterfaceAlias(handle,&interfaceData,alias_render,&aliasData);
- PA_DEBUG(("noError = %d\n",noError));
- if (noError)
- {
- if (aliasData.Flags && (!(aliasData.Flags & SPINT_REMOVED)))
- {
- PA_DEBUG(("Device %d has render alias\n",device));
- hasAlias |= 1; /* Has render alias */
- }
- else
- {
- PA_DEBUG(("Device %d has no render alias\n",device));
- }
- }
- noError = SetupDiGetDeviceInterfaceAlias(handle,&interfaceData,alias_capture,&aliasData);
- if (noError)
- {
- if (aliasData.Flags && (!(aliasData.Flags & SPINT_REMOVED)))
- {
- PA_DEBUG(("Device %d has capture alias\n",device));
- hasAlias |= 2; /* Has capture alias */
- }
- else
- {
- PA_DEBUG(("Device %d has no capture alias\n",device));
- }
- }
- if (!hasAlias)
- invalidDevices++; /* This was not a valid capture or render audio device */
-
- }
- /* Remember how many there are */
- wdmHostApi->filterCount = device-invalidDevices;
-
- PA_DEBUG(("Interfaces found: %d\n",device-invalidDevices));
-
- /* Now allocate the list of pointers to devices */
- wdmHostApi->filters = (PaWinWdmFilter**)PaUtil_AllocateMemory( sizeof(PaWinWdmFilter*) * device );
- if( !wdmHostApi->filters )
- {
- if (handle != NULL)
- SetupDiDestroyDeviceInfoList(handle);
- return paInsufficientMemory;
- }
-
- /* Now create filter objects for each interface found */
- slot = 0;
- for ( device = 0;;device++ )
- {
- interfaceData.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA);
- interfaceData.Reserved = 0;
- aliasData.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA);
- aliasData.Reserved = 0;
- devInfoData.cbSize = sizeof(SP_DEVINFO_DATA);
- devInfoData.Reserved = 0;
-
- noError = SetupDiEnumDeviceInterfaces(handle,NULL,category,device,&interfaceData);
- if ( !noError )
- break; /* No more devices */
-
- /* Check this one has the render or capture alias */
- hasAlias = 0;
- noError = SetupDiGetDeviceInterfaceAlias(handle,&interfaceData,alias_render,&aliasData);
- if (noError)
- {
- if (aliasData.Flags && (!(aliasData.Flags & SPINT_REMOVED)))
- {
- PA_DEBUG(("Device %d has render alias\n",device));
- hasAlias |= 1; /* Has render alias */
- }
- }
- noError = SetupDiGetDeviceInterfaceAlias(handle,&interfaceData,alias_capture,&aliasData);
- if (noError)
- {
- if (aliasData.Flags && (!(aliasData.Flags & SPINT_REMOVED)))
- {
- PA_DEBUG(("Device %d has capture alias\n",device));
- hasAlias |= 2; /* Has capture alias */
- }
- }
- if (!hasAlias)
- continue; /* This was not a valid capture or render audio device */
-
- noError = SetupDiGetDeviceInterfaceDetail(handle,&interfaceData,devInterfaceDetails,sizeInterface,NULL,&devInfoData);
- if ( noError )
- {
- /* Try to get the "friendly name" for this interface */
- sizeFriendlyName = sizeof(friendlyName);
- /* Fix contributed by Ben Allison
- * Removed KEY_SET_VALUE from flags on following call
- * as its causes failure when running without admin rights
- * and it was not required */
- hkey=SetupDiOpenDeviceInterfaceRegKey(handle,&interfaceData,0,KEY_QUERY_VALUE);
- if (hkey!=INVALID_HANDLE_VALUE)
- {
- noError = RegQueryValueEx(hkey,TEXT("FriendlyName"),0,&type,(BYTE*)friendlyName,&sizeFriendlyName);
- if ( noError == ERROR_SUCCESS )
- {
- PA_DEBUG(("Interface %d, Name: %s\n",device,friendlyName));
- RegCloseKey(hkey);
- }
- else
- {
- friendlyName[0] = 0;
- }
- }
- newFilter = FilterNew(devInterfaceDetails->DevicePath,friendlyName,&result);
- if ( result == paNoError )
- {
- PA_DEBUG(("Filter created\n"));
- wdmHostApi->filters[slot] = newFilter;
- slot++;
- }
- else
- {
- PA_DEBUG(("Filter NOT created\n"));
- /* As there are now less filters than we initially thought
- * we must reduce the count by one */
- wdmHostApi->filterCount--;
- }
- }
- }
-
- /* Clean up */
- if (handle != NULL)
- SetupDiDestroyDeviceInfoList(handle);
-
- return paNoError;
-}
-
-PaError PaWinWdm_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiIndex hostApiIndex )
-{
- PaError result = paNoError;
- int i, deviceCount;
- PaWinWdmHostApiRepresentation *wdmHostApi;
- PaWinWdmDeviceInfo *deviceInfoArray;
- PaWinWdmFilter* pFilter;
- PaWinWdmDeviceInfo *wdmDeviceInfo;
- PaDeviceInfo *deviceInfo;
-
- PA_LOGE_;
-
- /*
- Attempt to load the KSUSER.DLL without which we cannot create pins
- We will unload this on termination
- */
- if (DllKsUser == NULL)
- {
- DllKsUser = LoadLibrary(TEXT("ksuser.dll"));
- if (DllKsUser == NULL)
- goto error;
- }
-
- FunctionKsCreatePin = (KSCREATEPIN*)GetProcAddress(DllKsUser, "KsCreatePin");
- if (FunctionKsCreatePin == NULL)
- goto error;
-
- wdmHostApi = (PaWinWdmHostApiRepresentation*)PaUtil_AllocateMemory( sizeof(PaWinWdmHostApiRepresentation) );
- if( !wdmHostApi )
- {
- result = paInsufficientMemory;
- goto error;
- }
-
- wdmHostApi->allocations = PaUtil_CreateAllocationGroup();
- if( !wdmHostApi->allocations )
- {
- result = paInsufficientMemory;
- goto error;
- }
-
- result = BuildFilterList( wdmHostApi );
- if ( result != paNoError )
- {
- goto error;
- }
- deviceCount = wdmHostApi->filterCount;
-
- *hostApi = &wdmHostApi->inheritedHostApiRep;
- (*hostApi)->info.structVersion = 1;
- (*hostApi)->info.type = paWDMKS;
- (*hostApi)->info.name = "Windows WDM-KS";
-
- (*hostApi)->info.defaultOutputDevice = paNoDevice;
-
- if( deviceCount > 0 )
- {
- (*hostApi)->deviceInfos = (PaDeviceInfo**)PaUtil_GroupAllocateMemory(
- wdmHostApi->allocations, sizeof(PaWinWdmDeviceInfo*) * deviceCount );
- if( !(*hostApi)->deviceInfos )
- {
- result = paInsufficientMemory;
- goto error;
- }
-
- /* allocate all device info structs in a contiguous block */
- deviceInfoArray = (PaWinWdmDeviceInfo*)PaUtil_GroupAllocateMemory(
- wdmHostApi->allocations, sizeof(PaWinWdmDeviceInfo) * deviceCount );
- if( !deviceInfoArray )
- {
- result = paInsufficientMemory;
- goto error;
- }
-
- for( i=0; i < deviceCount; ++i )
- {
- wdmDeviceInfo = &deviceInfoArray[i];
- deviceInfo = &wdmDeviceInfo->inheritedDeviceInfo;
- pFilter = wdmHostApi->filters[i];
- if ( pFilter == NULL )
- continue;
- wdmDeviceInfo->filter = pFilter;
- deviceInfo->structVersion = 2;
- deviceInfo->hostApi = hostApiIndex;
- deviceInfo->name = (char*)pFilter->friendlyName;
- PA_DEBUG(("Device found name: %s\n",(char*)pFilter->friendlyName));
- deviceInfo->maxInputChannels = pFilter->maxInputChannels;
- if (deviceInfo->maxInputChannels > 0)
- {
- /* Set the default input device to the first device we find with
- * more than zero input channels
- **/
- if ((*hostApi)->info.defaultInputDevice == paNoDevice)
- {
- (*hostApi)->info.defaultInputDevice = i;
- }
- }
-
- deviceInfo->maxOutputChannels = pFilter->maxOutputChannels;
- if (deviceInfo->maxOutputChannels > 0)
- {
- /* Set the default output device to the first device we find with
- * more than zero output channels
- **/
- if ((*hostApi)->info.defaultOutputDevice == paNoDevice)
- {
- (*hostApi)->info.defaultOutputDevice = i;
- }
- }
-
- /* These low values are not very useful because
- * a) The lowest latency we end up with can depend on many factors such
- * as the device buffer sizes/granularities, sample rate, channels and format
- * b) We cannot know the device buffer sizes until we try to open/use it at
- * a particular setting
- * So: we give 512x48000Hz frames as the default low input latency
- **/
- deviceInfo->defaultLowInputLatency = (512.0/48000.0);
- deviceInfo->defaultLowOutputLatency = (512.0/48000.0);
- deviceInfo->defaultHighInputLatency = (4096.0/48000.0);
- deviceInfo->defaultHighOutputLatency = (4096.0/48000.0);
- deviceInfo->defaultSampleRate = (double)(pFilter->bestSampleRate);
-
- (*hostApi)->deviceInfos[i] = deviceInfo;
- ++(*hostApi)->info.deviceCount;
- }
- }
-
- (*hostApi)->info.deviceCount = deviceCount;
-
- (*hostApi)->Terminate = Terminate;
- (*hostApi)->OpenStream = OpenStream;
- (*hostApi)->IsFormatSupported = IsFormatSupported;
-
- PaUtil_InitializeStreamInterface( &wdmHostApi->callbackStreamInterface, CloseStream, StartStream,
- StopStream, AbortStream, IsStreamStopped, IsStreamActive,
- GetStreamTime, GetStreamCpuLoad,
- PaUtil_DummyRead, PaUtil_DummyWrite,
- PaUtil_DummyGetReadAvailable, PaUtil_DummyGetWriteAvailable );
-
- PaUtil_InitializeStreamInterface( &wdmHostApi->blockingStreamInterface, CloseStream, StartStream,
- StopStream, AbortStream, IsStreamStopped, IsStreamActive,
- GetStreamTime, PaUtil_DummyGetCpuLoad,
- ReadStream, WriteStream, GetStreamReadAvailable, GetStreamWriteAvailable );
-
- PA_LOGL_;
- return result;
-
-error:
- if ( DllKsUser != NULL )
- {
- FreeLibrary( DllKsUser );
- DllKsUser = NULL;
- }
-
- if( wdmHostApi )
- {
- PaUtil_FreeMemory( wdmHostApi->filters );
- if( wdmHostApi->allocations )
- {
- PaUtil_FreeAllAllocations( wdmHostApi->allocations );
- PaUtil_DestroyAllocationGroup( wdmHostApi->allocations );
- }
- PaUtil_FreeMemory( wdmHostApi );
- }
- PA_LOGL_;
- return result;
-}
-
-
-static void Terminate( struct PaUtilHostApiRepresentation *hostApi )
-{
- PaWinWdmHostApiRepresentation *wdmHostApi = (PaWinWdmHostApiRepresentation*)hostApi;
- int i;
- PA_LOGE_;
-
- if( wdmHostApi->filters )
- {
- for ( i=0; i<wdmHostApi->filterCount; i++)
- {
- if ( wdmHostApi->filters[i] != NULL )
- {
- FilterFree( wdmHostApi->filters[i] );
- wdmHostApi->filters[i] = NULL;
- }
- }
- }
- PaUtil_FreeMemory( wdmHostApi->filters );
- if( wdmHostApi->allocations )
- {
- PaUtil_FreeAllAllocations( wdmHostApi->allocations );
- PaUtil_DestroyAllocationGroup( wdmHostApi->allocations );
- }
- PaUtil_FreeMemory( wdmHostApi );
- PA_LOGL_;
-}
-
-static void FillWFEXT( WAVEFORMATEXTENSIBLE* pwfext, PaSampleFormat sampleFormat, double sampleRate, int channelCount)
- {
- PA_LOGE_;
- PA_DEBUG(( "sampleFormat = %lx\n" , sampleFormat ));
- PA_DEBUG(( "sampleRate = %f\n" , sampleRate ));
- PA_DEBUG(( "chanelCount = %d\n", channelCount ));
-
- pwfext->Format.wFormatTag = WAVE_FORMAT_EXTENSIBLE;
- pwfext->Format.nChannels = channelCount;
- pwfext->Format.nSamplesPerSec = (int)sampleRate;
- if (channelCount == 1)
- pwfext->dwChannelMask = KSAUDIO_SPEAKER_DIRECTOUT;
- else
- pwfext->dwChannelMask = KSAUDIO_SPEAKER_STEREO;
- if (sampleFormat == paFloat32)
- {
- pwfext->Format.nBlockAlign = channelCount * 4;
- pwfext->Format.wBitsPerSample = 32;
- pwfext->Format.cbSize = sizeof(WAVEFORMATEXTENSIBLE)-sizeof(WAVEFORMATEX);
- pwfext->Samples.wValidBitsPerSample = 32;
- pwfext->SubFormat = KSDATAFORMAT_SUBTYPE_IEEE_FLOAT;
- }
- else if (sampleFormat == paInt32)
- {
- pwfext->Format.nBlockAlign = channelCount * 4;
- pwfext->Format.wBitsPerSample = 32;
- pwfext->Format.cbSize = sizeof(WAVEFORMATEXTENSIBLE)-sizeof(WAVEFORMATEX);
- pwfext->Samples.wValidBitsPerSample = 32;
- pwfext->SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
- }
- else if (sampleFormat == paInt24)
- {
- pwfext->Format.nBlockAlign = channelCount * 3;
- pwfext->Format.wBitsPerSample = 24;
- pwfext->Format.cbSize = sizeof(WAVEFORMATEXTENSIBLE)-sizeof(WAVEFORMATEX);
- pwfext->Samples.wValidBitsPerSample = 24;
- pwfext->SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
- }
- else if (sampleFormat == paInt16)
- {
- pwfext->Format.nBlockAlign = channelCount * 2;
- pwfext->Format.wBitsPerSample = 16;
- pwfext->Format.cbSize = sizeof(WAVEFORMATEXTENSIBLE)-sizeof(WAVEFORMATEX);
- pwfext->Samples.wValidBitsPerSample = 16;
- pwfext->SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
- }
- pwfext->Format.nAvgBytesPerSec = pwfext->Format.nSamplesPerSec * pwfext->Format.nBlockAlign;
-
- PA_LOGL_;
-}
-
-static PaError IsFormatSupported( struct PaUtilHostApiRepresentation *hostApi,
- const PaStreamParameters *inputParameters,
- const PaStreamParameters *outputParameters,
- double sampleRate )
-{
- int inputChannelCount, outputChannelCount;
- PaSampleFormat inputSampleFormat, outputSampleFormat;
- PaWinWdmHostApiRepresentation *wdmHostApi = (PaWinWdmHostApiRepresentation*)hostApi;
- PaWinWdmFilter* pFilter;
- int result = paFormatIsSupported;
- WAVEFORMATEXTENSIBLE wfx;
-
- PA_LOGE_;
-
- if( inputParameters )
- {
- inputChannelCount = inputParameters->channelCount;
- inputSampleFormat = inputParameters->sampleFormat;
-
- /* all standard sample formats are supported by the buffer adapter,
- this implementation doesn't support any custom sample formats */
- if( inputSampleFormat & paCustomFormat )
- return paSampleFormatNotSupported;
-
- /* unless alternate device specification is supported, reject the use of
- paUseHostApiSpecificDeviceSpecification */
-
- if( inputParameters->device == paUseHostApiSpecificDeviceSpecification )
- return paInvalidDevice;
-
- /* check that input device can support inputChannelCount */
- if( inputChannelCount > hostApi->deviceInfos[ inputParameters->device ]->maxInputChannels )
- return paInvalidChannelCount;
-
- /* validate inputStreamInfo */
- if( inputParameters->hostApiSpecificStreamInfo )
- return paIncompatibleHostApiSpecificStreamInfo; /* this implementation doesn't use custom stream info */
-
- /* Check that the input format is supported */
- FillWFEXT(&wfx,paInt16,sampleRate,inputChannelCount);
-
- pFilter = wdmHostApi->filters[inputParameters->device];
- result = FilterCanCreateCapturePin(pFilter,(const WAVEFORMATEX*)&wfx);
- if ( result != paNoError )
- {
- /* Try a WAVE_FORMAT_PCM instead */
- wfx.Format.wFormatTag = WAVE_FORMAT_PCM;
- wfx.Format.cbSize = 0;
- wfx.Samples.wValidBitsPerSample = 0;
- wfx.dwChannelMask = 0;
- wfx.SubFormat = GUID_NULL;
- result = FilterCanCreateCapturePin(pFilter,(const WAVEFORMATEX*)&wfx);
- if ( result != paNoError )
- return result;
- }
- }
- else
- {
- inputChannelCount = 0;
- }
-
- if( outputParameters )
- {
- outputChannelCount = outputParameters->channelCount;
- outputSampleFormat = outputParameters->sampleFormat;
-
- /* all standard sample formats are supported by the buffer adapter,
- this implementation doesn't support any custom sample formats */
- if( outputSampleFormat & paCustomFormat )
- return paSampleFormatNotSupported;
-
- /* unless alternate device specification is supported, reject the use of
- paUseHostApiSpecificDeviceSpecification */
-
- if( outputParameters->device == paUseHostApiSpecificDeviceSpecification )
- return paInvalidDevice;
-
- /* check that output device can support outputChannelCount */
- if( outputChannelCount > hostApi->deviceInfos[ outputParameters->device ]->maxOutputChannels )
- return paInvalidChannelCount;
-
- /* validate outputStreamInfo */
- if( outputParameters->hostApiSpecificStreamInfo )
- return paIncompatibleHostApiSpecificStreamInfo; /* this implementation doesn't use custom stream info */
-
- /* Check that the output format is supported */
- FillWFEXT(&wfx,paInt16,sampleRate,outputChannelCount);
-
- pFilter = wdmHostApi->filters[outputParameters->device];
- result = FilterCanCreateRenderPin(pFilter,(const WAVEFORMATEX*)&wfx);
- if ( result != paNoError )
- {
- /* Try a WAVE_FORMAT_PCM instead */
- wfx.Format.wFormatTag = WAVE_FORMAT_PCM;
- wfx.Format.cbSize = 0;
- wfx.Samples.wValidBitsPerSample = 0;
- wfx.dwChannelMask = 0;
- wfx.SubFormat = GUID_NULL;
- result = FilterCanCreateRenderPin(pFilter,(const WAVEFORMATEX*)&wfx);
- if ( result != paNoError )
- return result;
- }
-
- }
- else
- {
- outputChannelCount = 0;
- }
-
- /*
- IMPLEMENT ME:
-
- - if a full duplex stream is requested, check that the combination
- of input and output parameters is supported if necessary
-
- - check that the device supports sampleRate
-
- Because the buffer adapter handles conversion between all standard
- sample formats, the following checks are only required if paCustomFormat
- is implemented, or under some other unusual conditions.
-
- - check that input device can support inputSampleFormat, or that
- we have the capability to convert from inputSampleFormat to
- a native format
-
- - check that output device can support outputSampleFormat, or that
- we have the capability to convert from outputSampleFormat to
- a native format
- */
- if ((inputChannelCount == 0)&&(outputChannelCount == 0))
- result = paSampleFormatNotSupported; /* Not right error */
-
- PA_LOGL_;
- return result;
-}
-
-/* see pa_hostapi.h for a list of validity guarantees made about OpenStream parameters */
-
-static PaError OpenStream( struct PaUtilHostApiRepresentation *hostApi,
- PaStream** s,
- const PaStreamParameters *inputParameters,
- const PaStreamParameters *outputParameters,
- double sampleRate,
- unsigned long framesPerBuffer,
- PaStreamFlags streamFlags,
- PaStreamCallback *streamCallback,
- void *userData )
-{
- PaError result = paNoError;
- PaWinWdmHostApiRepresentation *wdmHostApi = (PaWinWdmHostApiRepresentation*)hostApi;
- PaWinWdmStream *stream = 0;
- /* unsigned long framesPerHostBuffer; these may not be equivalent for all implementations */
- PaSampleFormat inputSampleFormat, outputSampleFormat;
- PaSampleFormat hostInputSampleFormat, hostOutputSampleFormat;
- int userInputChannels,userOutputChannels;
- int size;
- PaWinWdmFilter* pFilter;
- WAVEFORMATEXTENSIBLE wfx;
-
- PA_LOGE_;
- PA_DEBUG(("sampleRate = %f;",sampleRate));
- PA_DEBUG(("framesPerBuffer = %lu;",framesPerBuffer));
-
- if( inputParameters )
- {
- userInputChannels = inputParameters->channelCount;
- inputSampleFormat = inputParameters->sampleFormat;
-
- /* unless alternate device specification is supported, reject the use of
- paUseHostApiSpecificDeviceSpecification */
-
- if( inputParameters->device == paUseHostApiSpecificDeviceSpecification )
- return paInvalidDevice;
-
- /* check that input device can support stream->userInputChannels */
- if( userInputChannels > hostApi->deviceInfos[ inputParameters->device ]->maxInputChannels )
- return paInvalidChannelCount;
-
- /* validate inputStreamInfo */
- if( inputParameters->hostApiSpecificStreamInfo )
- return paIncompatibleHostApiSpecificStreamInfo; /* this implementation doesn't use custom stream info */
-
- }
- else
- {
- userInputChannels = 0;
- inputSampleFormat = hostInputSampleFormat = paInt16; /* Surpress 'uninitialised var' warnings. */
- }
-
- if( outputParameters )
- {
- userOutputChannels = outputParameters->channelCount;
- outputSampleFormat = outputParameters->sampleFormat;
-
- /* unless alternate device specification is supported, reject the use of
- paUseHostApiSpecificDeviceSpecification */
-
- if( outputParameters->device == paUseHostApiSpecificDeviceSpecification )
- return paInvalidDevice;
-
- /* check that output device can support stream->userInputChannels */
- if( userOutputChannels > hostApi->deviceInfos[ outputParameters->device ]->maxOutputChannels )
- return paInvalidChannelCount;
-
- /* validate outputStreamInfo */
- if( outputParameters->hostApiSpecificStreamInfo )
- return paIncompatibleHostApiSpecificStreamInfo; /* this implementation doesn't use custom stream info */
-
- }
- else
- {
- userOutputChannels = 0;
- outputSampleFormat = hostOutputSampleFormat = paInt16; /* Surpress 'uninitialized var' warnings. */
- }
-
- /* validate platform specific flags */
- if( (streamFlags & paPlatformSpecificFlags) != 0 )
- return paInvalidFlag; /* unexpected platform specific flag */
-
- stream = (PaWinWdmStream*)PaUtil_AllocateMemory( sizeof(PaWinWdmStream) );
- if( !stream )
- {
- result = paInsufficientMemory;
- goto error;
- }
- /* Zero the stream object */
- /* memset((void*)stream,0,sizeof(PaWinWdmStream)); */
-
- if( streamCallback )
- {
- PaUtil_InitializeStreamRepresentation( &stream->streamRepresentation,
- &wdmHostApi->callbackStreamInterface, streamCallback, userData );
- }
- else
- {
- PaUtil_InitializeStreamRepresentation( &stream->streamRepresentation,
- &wdmHostApi->blockingStreamInterface, streamCallback, userData );
- }
-
- PaUtil_InitializeCpuLoadMeasurer( &stream->cpuLoadMeasurer, sampleRate );
-
- /* Instantiate the input pin if necessary */
- if (userInputChannels > 0)
- {
- stream->userInputChannels = userInputChannels;
- pFilter = wdmHostApi->filters[inputParameters->device];
- hostInputSampleFormat =
- PaUtil_SelectClosestAvailableFormat( pFilter->formats, inputSampleFormat );
- if ( hostInputSampleFormat == paInt16 )
- stream->inputSampleSize = 2;
- else
- stream->inputSampleSize = 3;
- FillWFEXT(&wfx,hostInputSampleFormat,sampleRate,stream->userInputChannels);
- stream->bytesPerInputFrame = wfx.Format.nBlockAlign;
- stream->recordingPin = FilterCreateCapturePin(pFilter,(const WAVEFORMATEX*)&wfx,&result);
- stream->deviceInputChannels = stream->userInputChannels;
- if (result != paNoError)
- {
- /* Try a WAVE_FORMAT_PCM instead */
- wfx.Format.wFormatTag = WAVE_FORMAT_PCM;
- wfx.Format.cbSize = 0;
- wfx.Samples.wValidBitsPerSample = 0;
- wfx.dwChannelMask = 0;
- wfx.SubFormat = GUID_NULL;
- stream->recordingPin = FilterCreateCapturePin(pFilter,(const WAVEFORMATEX*)&wfx,&result);
- if ( result != paNoError )
- {
- /* Some or all KS devices can only handle the exact number of channels
- * they specify. But PortAudio clients expect to be able to
- * at least specify mono I/O on a multi-channel device
- * If this is the case, then we will do the channel mapping internally
- **/
- if ( stream->userInputChannels < pFilter->maxInputChannels )
- {
- FillWFEXT(&wfx,hostInputSampleFormat,sampleRate,pFilter->maxInputChannels);
- stream->bytesPerInputFrame = wfx.Format.nBlockAlign;
- stream->recordingPin = FilterCreateCapturePin(pFilter,(const WAVEFORMATEX*)&wfx,&result);
- stream->deviceInputChannels = pFilter->maxInputChannels;
- if ( result != paNoError )
- {
- /* Try a WAVE_FORMAT_PCM instead */
- wfx.Format.wFormatTag = WAVE_FORMAT_PCM;
- wfx.Format.cbSize = 0;
- wfx.Samples.wValidBitsPerSample = 0;
- wfx.dwChannelMask = 0;
- wfx.SubFormat = GUID_NULL;
- stream->recordingPin = FilterCreateCapturePin(pFilter,(const WAVEFORMATEX*)&wfx,&result);
- }
- }
- }
- }
- if (stream->recordingPin == NULL)
- {
- goto error;
- }
- stream->recordingPin->frameSize /= stream->bytesPerInputFrame;
- PA_DEBUG(("Pin output frames: %d\n",stream->recordingPin->frameSize));
- }
- else
- {
- stream->recordingPin = NULL;
- stream->bytesPerInputFrame = 0;
- }
-
- /* Instantiate the output pin if necessary */
- if (userOutputChannels > 0)
- {
- stream->userOutputChannels = userOutputChannels;
- pFilter = wdmHostApi->filters[outputParameters->device];
- hostOutputSampleFormat =
- PaUtil_SelectClosestAvailableFormat( pFilter->formats/*paInt16*/, outputSampleFormat );
- if ( hostOutputSampleFormat == paInt16 )
- stream->outputSampleSize = 2;
- else
- stream->outputSampleSize = 3;
- FillWFEXT(&wfx,hostOutputSampleFormat,sampleRate,stream->userOutputChannels);
- stream->bytesPerOutputFrame = wfx.Format.nBlockAlign;
- stream->playbackPin = FilterCreateRenderPin(pFilter,(WAVEFORMATEX*)&wfx,&result);
- stream->deviceOutputChannels = stream->userOutputChannels;
- if (result != paNoError)
- {
- /* Try a WAVE_FORMAT_PCM instead */
- wfx.Format.wFormatTag = WAVE_FORMAT_PCM;
- wfx.Format.cbSize = 0;
- wfx.Samples.wValidBitsPerSample = 0;
- wfx.dwChannelMask = 0;
- wfx.SubFormat = GUID_NULL;
- stream->playbackPin = FilterCreateRenderPin(pFilter,(WAVEFORMATEX*)&wfx,&result);
- if ( result != paNoError )
- {
- /* Some or all KS devices can only handle the exact number of channels
- * they specify. But PortAudio clients expect to be able to
- * at least specify mono I/O on a multi-channel device
- * If this is the case, then we will do the channel mapping internally
- **/
- if ( stream->userOutputChannels < pFilter->maxOutputChannels )
- {
- FillWFEXT(&wfx,hostOutputSampleFormat,sampleRate,pFilter->maxOutputChannels);
- stream->bytesPerOutputFrame = wfx.Format.nBlockAlign;
- stream->playbackPin = FilterCreateRenderPin(pFilter,(const WAVEFORMATEX*)&wfx,&result);
- stream->deviceOutputChannels = pFilter->maxOutputChannels;
- if ( result != paNoError )
- {
- /* Try a WAVE_FORMAT_PCM instead */
- wfx.Format.wFormatTag = WAVE_FORMAT_PCM;
- wfx.Format.cbSize = 0;
- wfx.Samples.wValidBitsPerSample = 0;
- wfx.dwChannelMask = 0;
- wfx.SubFormat = GUID_NULL;
- stream->playbackPin = FilterCreateRenderPin(pFilter,(const WAVEFORMATEX*)&wfx,&result);
- }
- }
- }
- }
- if (stream->playbackPin == NULL)
- {
- goto error;
- }
- stream->playbackPin->frameSize /= stream->bytesPerOutputFrame;
- PA_DEBUG(("Pin output frames: %d\n",stream->playbackPin->frameSize));
- }
- else
- {
- stream->playbackPin = NULL;
- stream->bytesPerOutputFrame = 0;
- }
-
- /* Calculate the framesPerHostXxxxBuffer size based upon the suggested latency values */
-
- /* Record the buffer length */
- if (inputParameters)
- {
- /* Calculate the frames from the user's value - add a bit to round up */
- stream->framesPerHostIBuffer = (unsigned long)((inputParameters->suggestedLatency*sampleRate)+0.0001);
- if (stream->framesPerHostIBuffer > (unsigned long)sampleRate)
- { /* Upper limit is 1 second */
- stream->framesPerHostIBuffer = (unsigned long)sampleRate;
- }
- /* Uncomment the following code to make the device-reported
- * frame size the lower limit*/
- /*
- else if (stream->framesPerHostIBuffer < stream->recordingPin->frameSize)
- {
- stream->framesPerHostIBuffer = stream->recordingPin->frameSize;
- }
- */
- PA_DEBUG(("Input frames chosen:%ld\n",stream->framesPerHostIBuffer));
- }
-
- if (outputParameters)
- {
- /* Calculate the frames from the user's value - add a bit to round up */
- stream->framesPerHostOBuffer = (unsigned long)((outputParameters->suggestedLatency*sampleRate)+0.0001);
- if (stream->framesPerHostOBuffer > (unsigned long)sampleRate)
- { /* Upper limit is 1 second */
- stream->framesPerHostOBuffer = (unsigned long)sampleRate;
- }
- /* Uncomment the following code to make the device-reported
- * frame size the lower limit*/
- /*
- else if (stream->framesPerHostOBuffer < stream->playbackPin->frameSize)
- {
- stream->framesPerHostOBuffer = stream->playbackPin->frameSize;
- }
- */
- PA_DEBUG(("Output frames chosen:%ld\n",stream->framesPerHostOBuffer));
- }
-
- /* Host buffer size is bounded to the largest of the input and output
- frame sizes */
-
- result = PaUtil_InitializeBufferProcessor( &stream->bufferProcessor,
- stream->userInputChannels, inputSampleFormat, hostInputSampleFormat,
- stream->userOutputChannels, outputSampleFormat, hostOutputSampleFormat,
- sampleRate, streamFlags, framesPerBuffer,
- max(stream->framesPerHostOBuffer,stream->framesPerHostIBuffer),
- paUtilBoundedHostBufferSize,
- streamCallback, userData );
- if( result != paNoError )
- goto error;
-
- stream->streamRepresentation.streamInfo.inputLatency =
- ((double)stream->framesPerHostIBuffer) / sampleRate;
- stream->streamRepresentation.streamInfo.outputLatency =
- ((double)stream->framesPerHostOBuffer) / sampleRate;
- stream->streamRepresentation.streamInfo.sampleRate = sampleRate;
-
-
- PA_DEBUG(("BytesPerInputFrame = %d\n",stream->bytesPerInputFrame));
- PA_DEBUG(("BytesPerOutputFrame = %d\n",stream->bytesPerOutputFrame));
-
- /* Allocate all the buffers for host I/O */
- size = 2 * (stream->framesPerHostIBuffer*stream->bytesPerInputFrame + stream->framesPerHostOBuffer*stream->bytesPerOutputFrame);
- PA_DEBUG(("Buffer size = %d\n",size));
- stream->hostBuffer = (char*)PaUtil_AllocateMemory(size);
- PA_DEBUG(("Buffer allocated\n"));
- if( !stream->hostBuffer )
- {
- PA_DEBUG(("Cannot allocate host buffer!\n"));
- result = paInsufficientMemory;
- goto error;
- }
- PA_DEBUG(("Buffer start = %p\n",stream->hostBuffer));
- /* memset(stream->hostBuffer,0,size); */
-
- /* Set up the packets */
- stream->events[0] = CreateEvent(NULL, FALSE, FALSE, NULL);
- ResetEvent(stream->events[0]); /* Record buffer 1 */
- stream->events[1] = CreateEvent(NULL, FALSE, FALSE, NULL);
- ResetEvent(stream->events[1]); /* Record buffer 2 */
- stream->events[2] = CreateEvent(NULL, FALSE, FALSE, NULL);
- ResetEvent(stream->events[2]); /* Play buffer 1 */
- stream->events[3] = CreateEvent(NULL, FALSE, FALSE, NULL);
- ResetEvent(stream->events[3]); /* Play buffer 2 */
- stream->events[4] = CreateEvent(NULL, FALSE, FALSE, NULL);
- ResetEvent(stream->events[4]); /* Abort event */
- if (stream->userInputChannels > 0)
- {
- DATAPACKET *p = &(stream->packets[0]);
- p->Signal.hEvent = stream->events[0];
- p->Header.Data = stream->hostBuffer;
- p->Header.FrameExtent = stream->framesPerHostIBuffer*stream->bytesPerInputFrame;
- p->Header.DataUsed = 0;
- p->Header.Size = sizeof(p->Header);
- p->Header.PresentationTime.Numerator = 1;
- p->Header.PresentationTime.Denominator = 1;
- p = &(stream->packets[1]);
- p->Signal.hEvent = stream->events[1];
- p->Header.Data = stream->hostBuffer + stream->framesPerHostIBuffer*stream->bytesPerInputFrame;
- p->Header.FrameExtent = stream->framesPerHostIBuffer*stream->bytesPerInputFrame;
- p->Header.DataUsed = 0;
- p->Header.Size = sizeof(p->Header);
- p->Header.PresentationTime.Numerator = 1;
- p->Header.PresentationTime.Denominator = 1;
- }
- if (stream->userOutputChannels > 0)
- {
- DATAPACKET *p = &(stream->packets[2]);
- p->Signal.hEvent = stream->events[2];
- p->Header.Data = stream->hostBuffer + 2*stream->framesPerHostIBuffer*stream->bytesPerInputFrame;
- p->Header.FrameExtent = stream->framesPerHostOBuffer*stream->bytesPerOutputFrame;
- p->Header.DataUsed = stream->framesPerHostOBuffer*stream->bytesPerOutputFrame;
- p->Header.Size = sizeof(p->Header);
- p->Header.PresentationTime.Numerator = 1;
- p->Header.PresentationTime.Denominator = 1;
- p = &(stream->packets[3]);
- p->Signal.hEvent = stream->events[3];
- p->Header.Data = stream->hostBuffer + 2*stream->framesPerHostIBuffer*stream->bytesPerInputFrame + stream->framesPerHostOBuffer*stream->bytesPerOutputFrame;
- p->Header.FrameExtent = stream->framesPerHostOBuffer*stream->bytesPerOutputFrame;
- p->Header.DataUsed = stream->framesPerHostOBuffer*stream->bytesPerOutputFrame;
- p->Header.Size = sizeof(p->Header);
- p->Header.PresentationTime.Numerator = 1;
- p->Header.PresentationTime.Denominator = 1;
- }
-
- stream->streamStarted = 0;
- stream->streamActive = 0;
- stream->streamStop = 0;
- stream->streamAbort = 0;
- stream->streamFlags = streamFlags;
- stream->oldProcessPriority = REALTIME_PRIORITY_CLASS;
-
- *s = (PaStream*)stream;
-
- PA_LOGL_;
- return result;
-
-error:
- size = 5;
- while (size--)
- {
- if (stream->events[size] != NULL)
- {
- CloseHandle(stream->events[size]);
- stream->events[size] = NULL;
- }
- }
- if (stream->hostBuffer)
- PaUtil_FreeMemory( stream->hostBuffer );
-
- if (stream->playbackPin)
- PinClose(stream->playbackPin);
- if (stream->recordingPin)
- PinClose(stream->recordingPin);
-
- if( stream )
- PaUtil_FreeMemory( stream );
-
- PA_LOGL_;
- return result;
-}
-
-/*
- When CloseStream() is called, the multi-api layer ensures that
- the stream has already been stopped or aborted.
-*/
-static PaError CloseStream( PaStream* s )
-{
- PaError result = paNoError;
- PaWinWdmStream *stream = (PaWinWdmStream*)s;
- int size;
-
- PA_LOGE_;
-
- assert(!stream->streamStarted);
- assert(!stream->streamActive);
-
- PaUtil_TerminateBufferProcessor( &stream->bufferProcessor );
- PaUtil_TerminateStreamRepresentation( &stream->streamRepresentation );
- size = 5;
- while (size--)
- {
- if (stream->events[size] != NULL)
- {
- CloseHandle(stream->events[size]);
- stream->events[size] = NULL;
- }
- }
- if (stream->hostBuffer)
- PaUtil_FreeMemory( stream->hostBuffer );
-
- if (stream->playbackPin)
- PinClose(stream->playbackPin);
- if (stream->recordingPin)
- PinClose(stream->recordingPin);
-
- PaUtil_FreeMemory( stream );
-
- PA_LOGL_;
- return result;
-}
-
-/*
-Write the supplied packet to the pin
-Asynchronous
-Should return false on success
-*/
-static BOOL PinWrite(HANDLE h, DATAPACKET* p)
-{
- unsigned long cbReturned = 0;
- return DeviceIoControl(h,IOCTL_KS_WRITE_STREAM,NULL,0,
- &p->Header,p->Header.Size,&cbReturned,&p->Signal);
-}
-
-/*
-Read to the supplied packet from the pin
-Asynchronous
-Should return false on success
-*/
-static BOOL PinRead(HANDLE h, DATAPACKET* p)
-{
- unsigned long cbReturned = 0;
- return DeviceIoControl(h,IOCTL_KS_READ_STREAM,NULL,0,
- &p->Header,p->Header.Size,&cbReturned,&p->Signal);
-}
-
-/*
-Copy the first interleaved channel of 16 bit data to the other channels
-*/
-static void DuplicateFirstChannelInt16(void* buffer, int channels, int samples)
-{
- unsigned short* data = (unsigned short*)buffer;
- int channel;
- unsigned short sourceSample;
- while ( samples-- )
- {
- sourceSample = *data++;
- channel = channels-1;
- while ( channel-- )
- {
- *data++ = sourceSample;
- }
- }
-}
-
-/*
-Copy the first interleaved channel of 24 bit data to the other channels
-*/
-static void DuplicateFirstChannelInt24(void* buffer, int channels, int samples)
-{
- unsigned char* data = (unsigned char*)buffer;
- int channel;
- unsigned char sourceSample[3];
- while ( samples-- )
- {
- sourceSample[0] = data[0];
- sourceSample[1] = data[1];
- sourceSample[2] = data[2];
- data += 3;
- channel = channels-1;
- while ( channel-- )
- {
- data[0] = sourceSample[0];
- data[1] = sourceSample[1];
- data[2] = sourceSample[2];
- data += 3;
- }
- }
-}
-
-static DWORD WINAPI ProcessingThread(LPVOID pParam)
-{
- PaWinWdmStream *stream = (PaWinWdmStream*)pParam;
- PaStreamCallbackTimeInfo ti;
- int cbResult = paContinue;
- int inbuf = 0;
- int outbuf = 0;
- int pending = 0;
- PaError result;
- unsigned long wait;
- unsigned long eventSignaled;
- int fillPlaybuf = 0;
- int emptyRecordbuf = 0;
- int framesProcessed;
- unsigned long timeout;
- int i;
- int doChannelCopy;
- int priming = 0;
- PaStreamCallbackFlags underover = 0;
-
- PA_LOGE_;
-
- ti.inputBufferAdcTime = 0.0;
- ti.currentTime = 0.0;
- ti.outputBufferDacTime = 0.0;
-
- /* Get double buffering going */
-
- /* Submit buffers */
- if (stream->playbackPin)
- {
- result = PinSetState(stream->playbackPin, KSSTATE_RUN);
-
- PA_DEBUG(("play state run = %d;",(int)result));
- SetEvent(stream->events[outbuf+2]);
- outbuf = (outbuf+1)&1;
- SetEvent(stream->events[outbuf+2]);
- outbuf = (outbuf+1)&1;
- pending += 2;
- priming += 4;
- }
- if (stream->recordingPin)
- {
- result = PinSetState(stream->recordingPin, KSSTATE_RUN);
-
- PA_DEBUG(("recording state run = %d;",(int)result));
- PinRead(stream->recordingPin->handle,&stream->packets[inbuf]);
- inbuf = (inbuf+1)&1; // Increment and wrap
- PinRead(stream->recordingPin->handle,&stream->packets[inbuf]);
- inbuf = (inbuf+1)&1; // Increment and wrap
- /* FIXME - do error checking */
- pending += 2;
- }
- PA_DEBUG(("Out buffer len:%f\n",(2000*stream->framesPerHostOBuffer) / stream->streamRepresentation.streamInfo.sampleRate));
- PA_DEBUG(("In buffer len:%f\n",(2000*stream->framesPerHostIBuffer) / stream->streamRepresentation.streamInfo.sampleRate));
- timeout = max(
- ((2000*(DWORD)stream->framesPerHostOBuffer) / (DWORD)stream->streamRepresentation.streamInfo.sampleRate),
- ((2000*(DWORD)stream->framesPerHostIBuffer) / (DWORD)stream->streamRepresentation.streamInfo.sampleRate)
- );
- timeout = max(timeout,1);
- PA_DEBUG(("Timeout = %ld ",timeout));
-
- while(!stream->streamAbort)
- {
- fillPlaybuf = 0;
- emptyRecordbuf = 0;
-
- /* Wait for next input or output buffer to be finished with*/
- assert(pending>0);
-
- if (stream->streamStop)
- {
- PA_DEBUG(("ss1:pending=%d ",pending));
- }
- wait = WaitForMultipleObjects(5, stream->events, FALSE, 0);
- if ( wait == WAIT_TIMEOUT )
- {
- /* No (under|over)flow has ocurred */
- wait = WaitForMultipleObjects(5, stream->events, FALSE, timeout);
- eventSignaled = wait - WAIT_OBJECT_0;
- }
- else
- {
- eventSignaled = wait - WAIT_OBJECT_0;
- if ( eventSignaled < 2 )
- {
- underover |= paInputOverflow;
- PA_DEBUG(("Input overflow\n"));
- }
- else if (( eventSignaled < 4 )&&(!priming))
- {
- underover |= paOutputUnderflow;
- PA_DEBUG(("Output underflow\n"));
- }
- }
-
- if (stream->streamStop)
- {
- PA_DEBUG(("ss2:wait=%ld",wait));
- }
- if (wait == WAIT_FAILED)
- {
- PA_DEBUG(("Wait fail = %ld! ",wait));
- break;
- }
- if (wait == WAIT_TIMEOUT)
- {
- continue;
- }
-
- if (eventSignaled < 2)
- { /* Recording input buffer has been filled */
- PA_DEBUG(("R"));
- if (stream->playbackPin)
- {
- /* First check if also the next playback buffer has been signaled */
- wait = WaitForSingleObject(stream->events[outbuf+2],0);
- if (wait == WAIT_OBJECT_0)
- {
- /* Yes, so do both buffers at same time */
- fillPlaybuf = 1;
- pending--;
- /* Was this an underflow situation? */
- if ( underover )
- underover |= paOutputUnderflow; /* Yes! */
- }
- }
- emptyRecordbuf = 1;
- pending--;
- }
- else if (eventSignaled < 4)
- { /* Playback output buffer has been emptied */
- if (stream->recordingPin)
- {
- /* First check if also the next recording buffer has been signaled */
- wait = WaitForSingleObject(stream->events[inbuf],0);
- if (wait == WAIT_OBJECT_0)
- { /* Yes, so do both buffers at same time */
- emptyRecordbuf = 1;
- pending--;
- /* Was this an overflow situation? */
- if ( underover )
- underover |= paInputOverflow; /* Yes! */
- }
- }
- fillPlaybuf = 1;
- pending--;
- }
- else
- {
- /* Abort event! */
- assert(stream->streamAbort); /* Should have been set */
- PA_DEBUG(("ABORTING "));
- break;
- }
- ResetEvent(stream->events[eventSignaled]);
-
- if (stream->streamStop)
- {
- PA_DEBUG(("Stream stop! pending=%d",pending));
- cbResult = paComplete; /* Stop, but play remaining buffers */
- }
-
- /* Do necessary buffer processing (which will invoke user callback if necessary */
- doChannelCopy = 0;
- if (cbResult==paContinue)
- {
- PaUtil_BeginCpuLoadMeasurement( &stream->cpuLoadMeasurer );
- PaUtil_BeginBufferProcessing(&stream->bufferProcessor,&ti,underover);
- underover = 0; /* Reset the (under|over)flow status */
- if (fillPlaybuf)
- {
- PaUtil_SetOutputFrameCount(&stream->bufferProcessor,0);
- if ( stream->userOutputChannels == 1 )
- {
- /* Write the single user channel to the first interleaved block */
- PaUtil_SetOutputChannel(&stream->bufferProcessor,0,stream->packets[outbuf+2].Header.Data,stream->deviceOutputChannels);
- /* We will do a copy to the other channels after the data has been written */
- doChannelCopy = 1;
- }
- else
- {
- for (i=0;i<stream->userOutputChannels;i++)
- {
- /* Only write the user output channels. Leave the rest blank */
- PaUtil_SetOutputChannel(&stream->bufferProcessor,i,((unsigned char*)(stream->packets[outbuf+2].Header.Data))+(i*stream->outputSampleSize),stream->deviceOutputChannels);
- }
- }
- }
- if (emptyRecordbuf)
- {
- PaUtil_SetInputFrameCount(&stream->bufferProcessor,stream->packets[inbuf].Header.DataUsed/stream->bytesPerInputFrame);
- for (i=0;i<stream->userInputChannels;i++)
- {
- /* Only read as many channels as the user wants */
- PaUtil_SetInputChannel(&stream->bufferProcessor,i,((unsigned char*)(stream->packets[inbuf].Header.Data))+(i*stream->inputSampleSize),stream->deviceInputChannels);
- }
- }
- framesProcessed = PaUtil_EndBufferProcessing(&stream->bufferProcessor,&cbResult);
- if ( doChannelCopy )
- {
- /* Copy the first output channel to the other channels */
- if ( stream->outputSampleSize == 2 )
- {
- DuplicateFirstChannelInt16(stream->packets[outbuf+2].Header.Data,stream->deviceOutputChannels,stream->framesPerHostOBuffer);
- }
- else if ( stream->outputSampleSize == 3 )
- {
- DuplicateFirstChannelInt24(stream->packets[outbuf+2].Header.Data,stream->deviceOutputChannels,stream->framesPerHostOBuffer);
- }
- else
- assert(0); /* Unsupported format! */
- }
- PaUtil_EndCpuLoadMeasurement( &stream->cpuLoadMeasurer, framesProcessed );
- }
- else
- {
- fillPlaybuf = 0;
- emptyRecordbuf = 0;
- }
- /*
- if (cbResult != paContinue)
- {
- PA_DEBUG(("cbResult=%d, pending=%d:",cbResult,pending));
- }
- */
- /* Submit buffers */
- if ((fillPlaybuf)&&(cbResult!=paAbort))
- {
- if (!PinWrite(stream->playbackPin->handle,&stream->packets[outbuf+2]))
- outbuf = (outbuf+1)&1; /* Increment and wrap */
- pending++;
- if ( priming )
- priming--; /* Have to prime twice */
- }
- if ((emptyRecordbuf)&&(cbResult==paContinue))
- {
- stream->packets[inbuf].Header.DataUsed = 0; /* Reset for reuse */
- PinRead(stream->recordingPin->handle,&stream->packets[inbuf]);
- inbuf = (inbuf+1)&1; /* Increment and wrap */
- pending++;
- }
- if (pending==0)
- {
- PA_DEBUG(("pending==0 finished...;"));
- break;
- }
- if ((!stream->playbackPin)&&(cbResult!=paContinue))
- {
- PA_DEBUG(("record only cbResult=%d...;",cbResult));
- break;
- }
- }
-
- PA_DEBUG(("Finished thread"));
-
- /* Finished, either normally or aborted */
- if (stream->playbackPin)
- {
- result = PinSetState(stream->playbackPin, KSSTATE_PAUSE);
- result = PinSetState(stream->playbackPin, KSSTATE_STOP);
- }
- if (stream->recordingPin)
- {
- result = PinSetState(stream->recordingPin, KSSTATE_PAUSE);
- result = PinSetState(stream->recordingPin, KSSTATE_STOP);
- }
-
- stream->streamActive = 0;
-
- if ((!stream->streamStop)&&(!stream->streamAbort))
- {
- /* Invoke the user stream finished callback */
- /* Only do it from here if not being stopped/aborted by user */
- if( stream->streamRepresentation.streamFinishedCallback != 0 )
- stream->streamRepresentation.streamFinishedCallback( stream->streamRepresentation.userData );
- }
- stream->streamStop = 0;
- stream->streamAbort = 0;
-
- /* Reset process priority if necessary */
- if (stream->oldProcessPriority != REALTIME_PRIORITY_CLASS)
- {
- SetPriorityClass(GetCurrentProcess(),stream->oldProcessPriority);
- stream->oldProcessPriority = REALTIME_PRIORITY_CLASS;
- }
-
- PA_LOGL_;
- ExitThread(0);
- return 0;
-}
-
-static PaError StartStream( PaStream *s )
-{
- PaError result = paNoError;
- PaWinWdmStream *stream = (PaWinWdmStream*)s;
- DWORD dwID;
- BOOL ret;
- int size;
-
- PA_LOGE_;
-
- stream->streamStop = 0;
- stream->streamAbort = 0;
- size = 5;
- while (size--)
- {
- if (stream->events[size] != NULL)
- {
- ResetEvent(stream->events[size]);
- }
- }
-
- PaUtil_ResetBufferProcessor( &stream->bufferProcessor );
-
- stream->oldProcessPriority = GetPriorityClass(GetCurrentProcess());
- /* Uncomment the following line to enable dynamic boosting of the process
- * priority to real time for best low latency support
- * Disabled by default because RT processes can easily block the OS */
- /*ret = SetPriorityClass(GetCurrentProcess(),REALTIME_PRIORITY_CLASS);
- PA_DEBUG(("Class ret = %d;",ret));*/
-
- stream->streamStarted = 1;
- stream->streamThread = CreateThread(NULL, 0, ProcessingThread, stream, 0, &dwID);
- if (stream->streamThread == NULL)
- {
- stream->streamStarted = 0;
- result = paInsufficientMemory;
- goto end;
- }
- ret = SetThreadPriority(stream->streamThread,THREAD_PRIORITY_TIME_CRITICAL);
- PA_DEBUG(("Priority ret = %d;",ret));
- /* Make the stream active */
- stream->streamActive = 1;
-
-end:
- PA_LOGL_;
- return result;
-}
-
-
-static PaError StopStream( PaStream *s )
-{
- PaError result = paNoError;
- PaWinWdmStream *stream = (PaWinWdmStream*)s;
- int doCb = 0;
-
- PA_LOGE_;
-
- if (stream->streamActive)
- {
- doCb = 1;
- stream->streamStop = 1;
- while (stream->streamActive)
- {
- PA_DEBUG(("W."));
- Sleep(10); /* Let thread sleep for 10 msec */
- }
- }
-
- PA_DEBUG(("Terminating thread"));
- if (stream->streamStarted && stream->streamThread)
- {
- TerminateThread(stream->streamThread,0);
- stream->streamThread = NULL;
- }
-
- stream->streamStarted = 0;
-
- if (stream->oldProcessPriority != REALTIME_PRIORITY_CLASS)
- {
- SetPriorityClass(GetCurrentProcess(),stream->oldProcessPriority);
- stream->oldProcessPriority = REALTIME_PRIORITY_CLASS;
- }
-
- if (doCb)
- {
- /* Do user callback now after all state has been reset */
- /* This means it should be safe for the called function */
- /* to invoke e.g. StartStream */
- if( stream->streamRepresentation.streamFinishedCallback != 0 )
- stream->streamRepresentation.streamFinishedCallback( stream->streamRepresentation.userData );
- }
-
- PA_LOGL_;
- return result;
-}
-
-static PaError AbortStream( PaStream *s )
-{
- PaError result = paNoError;
- PaWinWdmStream *stream = (PaWinWdmStream*)s;
- int doCb = 0;
-
- PA_LOGE_;
-
- if (stream->streamActive)
- {
- doCb = 1;
- stream->streamAbort = 1;
- SetEvent(stream->events[4]); /* Signal immediately */
- while (stream->streamActive)
- {
- Sleep(10);
- }
- }
-
- if (stream->streamStarted && stream->streamThread)
- {
- TerminateThread(stream->streamThread,0);
- stream->streamThread = NULL;
- }
-
- stream->streamStarted = 0;
-
- if (stream->oldProcessPriority != REALTIME_PRIORITY_CLASS)
- {
- SetPriorityClass(GetCurrentProcess(),stream->oldProcessPriority);
- stream->oldProcessPriority = REALTIME_PRIORITY_CLASS;
- }
-
- if (doCb)
- {
- /* Do user callback now after all state has been reset */
- /* This means it should be safe for the called function */
- /* to invoke e.g. StartStream */
- if( stream->streamRepresentation.streamFinishedCallback != 0 )
- stream->streamRepresentation.streamFinishedCallback( stream->streamRepresentation.userData );
- }
-
- stream->streamActive = 0;
- stream->streamStarted = 0;
-
- PA_LOGL_;
- return result;
-}
-
-
-static PaError IsStreamStopped( PaStream *s )
-{
- PaWinWdmStream *stream = (PaWinWdmStream*)s;
- int result = 0;
-
- PA_LOGE_;
-
- if (!stream->streamStarted)
- result = 1;
-
- PA_LOGL_;
- return result;
-}
-
-
-static PaError IsStreamActive( PaStream *s )
-{
- PaWinWdmStream *stream = (PaWinWdmStream*)s;
- int result = 0;
-
- PA_LOGE_;
-
- if (stream->streamActive)
- result = 1;
-
- PA_LOGL_;
- return result;
-}
-
-
-static PaTime GetStreamTime( PaStream* s )
-{
- PA_LOGE_;
- PA_LOGL_;
- (void)s;
- return PaUtil_GetTime();
-}
-
-
-static double GetStreamCpuLoad( PaStream* s )
-{
- PaWinWdmStream *stream = (PaWinWdmStream*)s;
- double result;
- PA_LOGE_;
- result = PaUtil_GetCpuLoad( &stream->cpuLoadMeasurer );
- PA_LOGL_;
- return result;
-}
-
-
-/*
- As separate stream interfaces are used for blocking and callback
- streams, the following functions can be guaranteed to only be called
- for blocking streams.
-*/
-
-static PaError ReadStream( PaStream* s,
- void *buffer,
- unsigned long frames )
-{
- PaWinWdmStream *stream = (PaWinWdmStream*)s;
-
- PA_LOGE_;
-
- /* suppress unused variable warnings */
- (void) buffer;
- (void) frames;
- (void) stream;
-
- /* IMPLEMENT ME, see portaudio.h for required behavior*/
- PA_LOGL_;
- return paNoError;
-}
-
-
-static PaError WriteStream( PaStream* s,
- const void *buffer,
- unsigned long frames )
-{
- PaWinWdmStream *stream = (PaWinWdmStream*)s;
-
- PA_LOGE_;
-
- /* suppress unused variable warnings */
- (void) buffer;
- (void) frames;
- (void) stream;
-
- /* IMPLEMENT ME, see portaudio.h for required behavior*/
- PA_LOGL_;
- return paNoError;
-}
-
-
-static signed long GetStreamReadAvailable( PaStream* s )
-{
- PaWinWdmStream *stream = (PaWinWdmStream*)s;
-
- PA_LOGE_;
-
- /* suppress unused variable warnings */
- (void) stream;
-
- /* IMPLEMENT ME, see portaudio.h for required behavior*/
- PA_LOGL_;
- return 0;
-}
-
-
-static signed long GetStreamWriteAvailable( PaStream* s )
-{
- PaWinWdmStream *stream = (PaWinWdmStream*)s;
-
- PA_LOGE_;
- /* suppress unused variable warnings */
- (void) stream;
-
- /* IMPLEMENT ME, see portaudio.h for required behavior*/
- PA_LOGL_;
- return 0;
-}
-
-
-
-
diff --git a/src/audio/portaudio/pa_win_wdmks/readme.txt b/src/audio/portaudio/pa_win_wdmks/readme.txt
deleted file mode 100644
index 2fc6c75c60..0000000000
--- a/src/audio/portaudio/pa_win_wdmks/readme.txt
+++ /dev/null
@@ -1,71 +0,0 @@
-Notes about WDM-KS host API
----------------------------
-
-Status history
---------------
-5th September 2004:
-This is the first public version of the code. It should be considered
-an alpha release with zero guarantee not to crash on any particular
-system. So far it has only been tested in the author's development
-environment, which means a Win2k/SP2 PIII laptop with integrated
-SoundMAX driver and USB Tascam US-428 compiled with both MinGW
-(GCC 3.3) and MSVC++6 using the MS DirectX 9 SDK.
-It has been most widely tested with the MinGW build, with most of the
-test programs (particularly paqa_devs and paqa_errs) passing.
-There are some notable failures: patest_out_underflow and both of the
-blocking I/O tests (as blocking I/O is not implemented).
-At this point the code needs to be tested with a much wider variety
-of configurations and feedback provided from testers regarding
-both working and failing cases.
-
-What is the WDM-KS host API?
-----------------------------
-PortAudio for Windows currently has 3 functional host implementations.
-MME uses the oldest Windows audio API which does not offer good
-play/record latency.
-DirectX improves this, but still imposes a penalty
-of 10s of milliseconds due to the system mixing of streams from
-multiple applications.
-ASIO offers very good latency, but requires special drivers which are
-not always available for cheaper audio hardware. Also, when ASIO
-drivers are available, they are not always so robust because they
-bypass all of the standardised Windows device driver architecture
-and hit the hardware their own way.
-Alternatively there are a couple of free (but closed source) ASIO
-implementations which connect to the lower level Windows
-"Kernel Streaming" API, but again these require special installation
-by the user, and can be limited in functionality or difficult to use.
-
-This is where the PortAudio "WDM-KS" host implementation comes in.
-It directly connects PortAudio to the same Kernel Streaming API which
-those ASIO bridges use. This avoids the mixing penatly of DirectX,
-giving at least as good latency as any ASIO driver, but it has the
-advantage of working with ANY Windows audio hardware which is available
-through the normal MME/DirectX routes without the user requiring
-any additional device drivers to be installed, and allowing all
-device selection to be done through the normal PortAudio API.
-
-Note that in general you should only be using this host API if your
-application has a real requirement for very low latency audio (<20ms),
-either because you are generating sounds in real-time based upon
-user input, or you a processing recorded audio in real time.
-
-The only thing to be aware of is that using the KS interface will
-block that device from being used by the rest of system through
-the higher level APIs, or conversely, if the system is using
-a device, the KS API will not be able to use it. MS recommend that
-you should keep the device open only when your application has focus.
-In PortAudio terms, this means having a stream Open on a WDMKS device.
-
-Usage
------
-To add the WDMKS backend to your program which is already using
-PortAudio, you must undefine PA_NO_WDMKS from your build file,
-and include the pa_win_wdmks\pa_win_wdmks.c into your build.
-The file should compile in both C and C++.
-You will need a DirectX SDK installed on your system for the
-ks.h and ksmedia.h header files.
-You will need to link to the system "setupapi" library.
-Note that if you use MinGW, you will get more warnings from
-the DX header files when using GCC(C), and still a few warnings
-with G++(CPP).
\ No newline at end of file
diff --git a/src/audio/portaudio/pa_win_wmme/pa_win_wmme.c b/src/audio/portaudio/pa_win_wmme/pa_win_wmme.c
deleted file mode 100644
index 86b6cdf143..0000000000
--- a/src/audio/portaudio/pa_win_wmme/pa_win_wmme.c
+++ /dev/null
@@ -1,3623 +0,0 @@
-/*
- * $Id$
- * pa_win_wmme.c
- * Implementation of PortAudio for Windows MultiMedia Extensions (WMME)
- *
- * PortAudio Portable Real-Time Audio Library
- * Latest Version at: http://www.portaudio.com
- *
- * Authors: Ross Bencina and Phil Burk
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-
-/* Modification History:
- PLB = Phil Burk
- JM = Julien Maillard
- RDB = Ross Bencina
- PLB20010402 - sDevicePtrs now allocates based on sizeof(pointer)
- PLB20010413 - check for excessive numbers of channels
- PLB20010422 - apply Mike Berry's changes for CodeWarrior on PC
- including conditional inclusion of memory.h,
- and explicit typecasting on memory allocation
- PLB20010802 - use GlobalAlloc for sDevicesPtr instead of PaHost_AllocFastMemory
- PLB20010816 - pass process instead of thread to SetPriorityClass()
- PLB20010927 - use number of frames instead of real-time for CPULoad calculation.
- JM20020118 - prevent hung thread when buffers underflow.
- PLB20020321 - detect Win XP versus NT, 9x; fix DBUG typo; removed init of CurrentCount
- RDB20020411 - various renaming cleanups, factored streamData alloc and cpu usage init
- RDB20020417 - stopped counting WAVE_MAPPER when there were no real devices
- refactoring, renaming and fixed a few edge case bugs
- RDB20020531 - converted to V19 framework
- ** NOTE maintanance history is now stored in CVS **
-*/
-
-/** @file
-
- @todo Fix buffer catch up code, can sometimes get stuck (perhaps fixed now,
- needs to be reviewed and tested.)
-
- @todo implement paInputUnderflow, paOutputOverflow streamCallback statusFlags, paNeverDropInput.
-
- @todo BUG: PA_MME_SET_LAST_WAVEIN/OUT_ERROR is used in functions which may
- be called asynchronously from the callback thread. this is bad.
-
- @todo implement inputBufferAdcTime in callback thread
-
- @todo review/fix error recovery and cleanup in marked functions
-
- @todo implement timeInfo for stream priming
-
- @todo handle the case where the callback returns paAbort or paComplete during stream priming.
-
- @todo review input overflow and output underflow handling in ReadStream and WriteStream
-
-Non-critical stuff for the future:
-
- @todo Investigate supporting host buffer formats > 16 bits
-
- @todo define UNICODE and _UNICODE in the project settings and see what breaks
-
-*/
-
-/*
- How it works:
-
- For both callback and blocking read/write streams we open the MME devices
- in CALLBACK_EVENT mode. In this mode, MME signals an Event object whenever
- it has finished with a buffer (either filled it for input, or played it
- for output). Where necessary we block waiting for Event objects using
- WaitMultipleObjects().
-
- When implementing a PA callback stream, we set up a high priority thread
- which waits on the MME buffer Events and drains/fills the buffers when
- they are ready.
-
- When implementing a PA blocking read/write stream, we simply wait on these
- Events (when necessary) inside the ReadStream() and WriteStream() functions.
-*/
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <math.h>
-#include <windows.h>
-#include <mmsystem.h>
-#include <process.h>
-#include <assert.h>
-/* PLB20010422 - "memory.h" doesn't work on CodeWarrior for PC. Thanks Mike Berry for the mod. */
-#ifndef __MWERKS__
-#include <malloc.h>
-#include <memory.h>
-#endif /* __MWERKS__ */
-
-#include "portaudio.h"
-#include "pa_trace.h"
-#include "pa_util.h"
-#include "pa_allocation.h"
-#include "pa_hostapi.h"
-#include "pa_stream.h"
-#include "pa_cpuload.h"
-#include "pa_process.h"
-
-#include "pa_win_wmme.h"
-
-#if (defined(WIN32) && (defined(_MSC_VER) && (_MSC_VER >= 1200))) /* MSC version 6 and above */
-#pragma comment(lib, "winmm.lib")
-#endif
-
-/************************************************* Constants ********/
-
-#define PA_MME_USE_HIGH_DEFAULT_LATENCY_ (0) /* For debugging glitches. */
-
-#if PA_MME_USE_HIGH_DEFAULT_LATENCY_
- #define PA_MME_WIN_9X_DEFAULT_LATENCY_ (0.4)
- #define PA_MME_MIN_HOST_OUTPUT_BUFFER_COUNT_ (4)
- #define PA_MME_MIN_HOST_INPUT_BUFFER_COUNT_FULL_DUPLEX_ (4)
- #define PA_MME_MIN_HOST_INPUT_BUFFER_COUNT_HALF_DUPLEX_ (4)
- #define PA_MME_MIN_HOST_BUFFER_FRAMES_WHEN_UNSPECIFIED_ (16)
- #define PA_MME_MAX_HOST_BUFFER_SECS_ (0.3) /* Do not exceed unless user buffer exceeds */
- #define PA_MME_MAX_HOST_BUFFER_BYTES_ (32 * 1024) /* Has precedence over PA_MME_MAX_HOST_BUFFER_SECS_, some drivers are known to crash with buffer sizes > 32k */
-#else
- #define PA_MME_WIN_9X_DEFAULT_LATENCY_ (0.2)
- #define PA_MME_MIN_HOST_OUTPUT_BUFFER_COUNT_ (2)
- #define PA_MME_MIN_HOST_INPUT_BUFFER_COUNT_FULL_DUPLEX_ (3)
- #define PA_MME_MIN_HOST_INPUT_BUFFER_COUNT_HALF_DUPLEX_ (2)
- #define PA_MME_MIN_HOST_BUFFER_FRAMES_WHEN_UNSPECIFIED_ (16)
- #define PA_MME_MAX_HOST_BUFFER_SECS_ (0.1) /* Do not exceed unless user buffer exceeds */
- #define PA_MME_MAX_HOST_BUFFER_BYTES_ (32 * 1024) /* Has precedence over PA_MME_MAX_HOST_BUFFER_SECS_, some drivers are known to crash with buffer sizes > 32k */
-#endif
-
-/* Use higher latency for NT because it is even worse at real-time
- operation than Win9x.
-*/
-#define PA_MME_WIN_NT_DEFAULT_LATENCY_ (PA_MME_WIN_9X_DEFAULT_LATENCY_ * 2)
-#define PA_MME_WIN_WDM_DEFAULT_LATENCY_ (PA_MME_WIN_9X_DEFAULT_LATENCY_)
-
-
-#define PA_MME_MIN_TIMEOUT_MSEC_ (1000)
-
-static const char constInputMapperSuffix_[] = " - Input";
-static const char constOutputMapperSuffix_[] = " - Output";
-
-/********************************************************************/
-
-typedef struct PaWinMmeStream PaWinMmeStream; /* forward declaration */
-
-/* prototypes for functions declared in this file */
-
-#ifdef __cplusplus
-extern "C"
-{
-#endif /* __cplusplus */
-
-PaError PaWinMme_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiIndex index );
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
-
-static void Terminate( struct PaUtilHostApiRepresentation *hostApi );
-static PaError OpenStream( struct PaUtilHostApiRepresentation *hostApi,
- PaStream** stream,
- const PaStreamParameters *inputParameters,
- const PaStreamParameters *outputParameters,
- double sampleRate,
- unsigned long framesPerBuffer,
- PaStreamFlags streamFlags,
- PaStreamCallback *streamCallback,
- void *userData );
-static PaError IsFormatSupported( struct PaUtilHostApiRepresentation *hostApi,
- const PaStreamParameters *inputParameters,
- const PaStreamParameters *outputParameters,
- double sampleRate );
-static PaError CloseStream( PaStream* stream );
-static PaError StartStream( PaStream *stream );
-static PaError StopStream( PaStream *stream );
-static PaError AbortStream( PaStream *stream );
-static PaError IsStreamStopped( PaStream *s );
-static PaError IsStreamActive( PaStream *stream );
-static PaTime GetStreamTime( PaStream *stream );
-static double GetStreamCpuLoad( PaStream* stream );
-static PaError ReadStream( PaStream* stream, void *buffer, unsigned long frames );
-static PaError WriteStream( PaStream* stream, const void *buffer, unsigned long frames );
-static signed long GetStreamReadAvailable( PaStream* stream );
-static signed long GetStreamWriteAvailable( PaStream* stream );
-
-
-/* macros for setting last host error information */
-
-#ifdef UNICODE
-
-#define PA_MME_SET_LAST_WAVEIN_ERROR( mmresult ) \
- { \
- wchar_t mmeErrorTextWide[ MAXERRORLENGTH ]; \
- char mmeErrorText[ MAXERRORLENGTH ]; \
- waveInGetErrorText( mmresult, mmeErrorTextWide, MAXERRORLENGTH ); \
- WideCharToMultiByte( CP_ACP, WC_COMPOSITECHECK | WC_DEFAULTCHAR,\
- mmeErrorTextWide, -1, mmeErrorText, MAXERRORLENGTH, NULL, NULL ); \
- PaUtil_SetLastHostErrorInfo( paMME, mmresult, mmeErrorText ); \
- }
-
-#define PA_MME_SET_LAST_WAVEOUT_ERROR( mmresult ) \
- { \
- wchar_t mmeErrorTextWide[ MAXERRORLENGTH ]; \
- char mmeErrorText[ MAXERRORLENGTH ]; \
- waveOutGetErrorText( mmresult, mmeErrorTextWide, MAXERRORLENGTH ); \
- WideCharToMultiByte( CP_ACP, WC_COMPOSITECHECK | WC_DEFAULTCHAR,\
- mmeErrorTextWide, -1, mmeErrorText, MAXERRORLENGTH, NULL, NULL ); \
- PaUtil_SetLastHostErrorInfo( paMME, mmresult, mmeErrorText ); \
- }
-
-#else /* !UNICODE */
-
-#define PA_MME_SET_LAST_WAVEIN_ERROR( mmresult ) \
- { \
- char mmeErrorText[ MAXERRORLENGTH ]; \
- waveInGetErrorText( mmresult, mmeErrorText, MAXERRORLENGTH ); \
- PaUtil_SetLastHostErrorInfo( paMME, mmresult, mmeErrorText ); \
- }
-
-#define PA_MME_SET_LAST_WAVEOUT_ERROR( mmresult ) \
- { \
- char mmeErrorText[ MAXERRORLENGTH ]; \
- waveOutGetErrorText( mmresult, mmeErrorText, MAXERRORLENGTH ); \
- PaUtil_SetLastHostErrorInfo( paMME, mmresult, mmeErrorText ); \
- }
-
-#endif /* UNICODE */
-
-
-static void PaMme_SetLastSystemError( DWORD errorCode )
-{
- char *lpMsgBuf;
- FormatMessage(
- FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
- NULL,
- errorCode,
- MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
- (LPTSTR) &lpMsgBuf,
- 0,
- NULL
- );
- PaUtil_SetLastHostErrorInfo( paMME, errorCode, lpMsgBuf );
- LocalFree( lpMsgBuf );
-}
-
-#define PA_MME_SET_LAST_SYSTEM_ERROR( errorCode ) \
- PaMme_SetLastSystemError( errorCode )
-
-
-/* PaError returning wrappers for some commonly used win32 functions
- note that we allow passing a null ptr to have no effect.
-*/
-
-static PaError CreateEventWithPaError( HANDLE *handle,
- LPSECURITY_ATTRIBUTES lpEventAttributes,
- BOOL bManualReset,
- BOOL bInitialState,
- LPCTSTR lpName )
-{
- PaError result = paNoError;
-
- *handle = NULL;
-
- *handle = CreateEvent( lpEventAttributes, bManualReset, bInitialState, lpName );
- if( *handle == NULL )
- {
- result = paUnanticipatedHostError;
- PA_MME_SET_LAST_SYSTEM_ERROR( GetLastError() );
- }
-
- return result;
-}
-
-
-static PaError ResetEventWithPaError( HANDLE handle )
-{
- PaError result = paNoError;
-
- if( handle )
- {
- if( ResetEvent( handle ) == 0 )
- {
- result = paUnanticipatedHostError;
- PA_MME_SET_LAST_SYSTEM_ERROR( GetLastError() );
- }
- }
-
- return result;
-}
-
-
-static PaError CloseHandleWithPaError( HANDLE handle )
-{
- PaError result = paNoError;
-
- if( handle )
- {
- if( CloseHandle( handle ) == 0 )
- {
- result = paUnanticipatedHostError;
- PA_MME_SET_LAST_SYSTEM_ERROR( GetLastError() );
- }
- }
-
- return result;
-}
-
-
-/* PaWinMmeHostApiRepresentation - host api datastructure specific to this implementation */
-
-typedef struct
-{
- PaUtilHostApiRepresentation inheritedHostApiRep;
- PaUtilStreamInterface callbackStreamInterface;
- PaUtilStreamInterface blockingStreamInterface;
-
- PaUtilAllocationGroup *allocations;
-
- int inputDeviceCount, outputDeviceCount;
-
- /** winMmeDeviceIds is an array of WinMme device ids.
- fields in the range [0, inputDeviceCount) are input device ids,
- and [inputDeviceCount, inputDeviceCount + outputDeviceCount) are output
- device ids.
- */
- UINT *winMmeDeviceIds;
-}
-PaWinMmeHostApiRepresentation;
-
-
-typedef struct
-{
- PaDeviceInfo inheritedDeviceInfo;
- DWORD dwFormats; /**<< standard formats bitmask from the WAVEINCAPS and WAVEOUTCAPS structures */
-}
-PaWinMmeDeviceInfo;
-
-
-/*************************************************************************
- * Returns recommended device ID.
- * On the PC, the recommended device can be specified by the user by
- * setting an environment variable. For example, to use device #1.
- *
- * set PA_RECOMMENDED_OUTPUT_DEVICE=1
- *
- * The user should first determine the available device ID by using
- * the supplied application "pa_devs".
- */
-#define PA_ENV_BUF_SIZE_ (32)
-#define PA_REC_IN_DEV_ENV_NAME_ ("PA_RECOMMENDED_INPUT_DEVICE")
-#define PA_REC_OUT_DEV_ENV_NAME_ ("PA_RECOMMENDED_OUTPUT_DEVICE")
-static PaDeviceIndex GetEnvDefaultDeviceID( char *envName )
-{
- PaDeviceIndex recommendedIndex = paNoDevice;
- DWORD hresult;
- char envbuf[PA_ENV_BUF_SIZE_];
-
-#ifndef WIN32_PLATFORM_PSPC /* no GetEnvironmentVariable on PocketPC */
-
- /* Let user determine default device by setting environment variable. */
- hresult = GetEnvironmentVariable( envName, envbuf, PA_ENV_BUF_SIZE_ );
- if( (hresult > 0) && (hresult < PA_ENV_BUF_SIZE_) )
- {
- recommendedIndex = atoi( envbuf );
- }
-#endif
-
- return recommendedIndex;
-}
-
-
-static void InitializeDefaultDeviceIdsFromEnv( PaWinMmeHostApiRepresentation *hostApi )
-{
- PaDeviceIndex device;
-
- /* input */
- device = GetEnvDefaultDeviceID( PA_REC_IN_DEV_ENV_NAME_ );
- if( device != paNoDevice &&
- ( device >= 0 && device < hostApi->inheritedHostApiRep.info.deviceCount ) &&
- hostApi->inheritedHostApiRep.deviceInfos[ device ]->maxInputChannels > 0 )
- {
- hostApi->inheritedHostApiRep.info.defaultInputDevice = device;
- }
-
- /* output */
- device = GetEnvDefaultDeviceID( PA_REC_OUT_DEV_ENV_NAME_ );
- if( device != paNoDevice &&
- ( device >= 0 && device < hostApi->inheritedHostApiRep.info.deviceCount ) &&
- hostApi->inheritedHostApiRep.deviceInfos[ device ]->maxOutputChannels > 0 )
- {
- hostApi->inheritedHostApiRep.info.defaultOutputDevice = device;
- }
-}
-
-
-/** Convert external PA ID to a windows multimedia device ID
-*/
-static UINT LocalDeviceIndexToWinMmeDeviceId( PaWinMmeHostApiRepresentation *hostApi, PaDeviceIndex device )
-{
- assert( device >= 0 && device < hostApi->inputDeviceCount + hostApi->outputDeviceCount );
-
- return hostApi->winMmeDeviceIds[ device ];
-}
-
-
-static PaError QueryInputWaveFormatEx( int deviceId, WAVEFORMATEX *waveFormatEx )
-{
- MMRESULT mmresult;
-
- switch( mmresult = waveInOpen( NULL, deviceId, waveFormatEx, 0, 0, WAVE_FORMAT_QUERY ) )
- {
- case MMSYSERR_NOERROR:
- return paNoError;
- case MMSYSERR_ALLOCATED: /* Specified resource is already allocated. */
- return paDeviceUnavailable;
- case MMSYSERR_NODRIVER: /* No device driver is present. */
- return paDeviceUnavailable;
- case MMSYSERR_NOMEM: /* Unable to allocate or lock memory. */
- return paInsufficientMemory;
- case WAVERR_BADFORMAT: /* Attempted to open with an unsupported waveform-audio format. */
- return paSampleFormatNotSupported;
-
- case MMSYSERR_BADDEVICEID: /* Specified device identifier is out of range. */
- /* falls through */
- default:
- PA_MME_SET_LAST_WAVEIN_ERROR( mmresult );
- return paUnanticipatedHostError;
- }
-}
-
-
-static PaError QueryOutputWaveFormatEx( int deviceId, WAVEFORMATEX *waveFormatEx )
-{
- MMRESULT mmresult;
-
- switch( mmresult = waveOutOpen( NULL, deviceId, waveFormatEx, 0, 0, WAVE_FORMAT_QUERY ) )
- {
- case MMSYSERR_NOERROR:
- return paNoError;
- case MMSYSERR_ALLOCATED: /* Specified resource is already allocated. */
- return paDeviceUnavailable;
- case MMSYSERR_NODRIVER: /* No device driver is present. */
- return paDeviceUnavailable;
- case MMSYSERR_NOMEM: /* Unable to allocate or lock memory. */
- return paInsufficientMemory;
- case WAVERR_BADFORMAT: /* Attempted to open with an unsupported waveform-audio format. */
- return paSampleFormatNotSupported;
-
- case MMSYSERR_BADDEVICEID: /* Specified device identifier is out of range. */
- /* falls through */
- default:
- PA_MME_SET_LAST_WAVEOUT_ERROR( mmresult );
- return paUnanticipatedHostError;
- }
-}
-
-
-static PaError QueryFormatSupported( PaDeviceInfo *deviceInfo,
- PaError (*waveFormatExQueryFunction)(int, WAVEFORMATEX*),
- int winMmeDeviceId, int channels, double sampleRate )
-{
- PaWinMmeDeviceInfo *winMmeDeviceInfo = (PaWinMmeDeviceInfo*)deviceInfo;
- WAVEFORMATEX waveFormatEx;
-
- if( sampleRate == 11025.0
- && ( (channels == 1 && (winMmeDeviceInfo->dwFormats & WAVE_FORMAT_1M16))
- || (channels == 2 && (winMmeDeviceInfo->dwFormats & WAVE_FORMAT_1S16)) ) ){
-
- return paNoError;
- }
-
- if( sampleRate == 22050.0
- && ( (channels == 1 && (winMmeDeviceInfo->dwFormats & WAVE_FORMAT_2M16))
- || (channels == 2 && (winMmeDeviceInfo->dwFormats & WAVE_FORMAT_2S16)) ) ){
-
- return paNoError;
- }
-
- if( sampleRate == 44100.0
- && ( (channels == 1 && (winMmeDeviceInfo->dwFormats & WAVE_FORMAT_4M16))
- || (channels == 2 && (winMmeDeviceInfo->dwFormats & WAVE_FORMAT_4S16)) ) ){
-
- return paNoError;
- }
-
- waveFormatEx.wFormatTag = WAVE_FORMAT_PCM;
- waveFormatEx.nChannels = (WORD)channels;
- waveFormatEx.nSamplesPerSec = (DWORD)sampleRate;
- waveFormatEx.nAvgBytesPerSec = waveFormatEx.nSamplesPerSec * channels * sizeof(short);
- waveFormatEx.nBlockAlign = (WORD)(channels * sizeof(short));
- waveFormatEx.wBitsPerSample = 16;
- waveFormatEx.cbSize = 0;
-
- return waveFormatExQueryFunction( winMmeDeviceId, &waveFormatEx );
-}
-
-
-#define PA_DEFAULTSAMPLERATESEARCHORDER_COUNT_ (13) /* must match array length below */
-static double defaultSampleRateSearchOrder_[] =
- { 44100.0, 48000.0, 32000.0, 24000.0, 22050.0, 88200.0, 96000.0, 192000.0,
- 16000.0, 12000.0, 11025.0, 9600.0, 8000.0 };
-
-static void DetectDefaultSampleRate( PaWinMmeDeviceInfo *winMmeDeviceInfo, int winMmeDeviceId,
- PaError (*waveFormatExQueryFunction)(int, WAVEFORMATEX*), int maxChannels )
-{
- PaDeviceInfo *deviceInfo = &winMmeDeviceInfo->inheritedDeviceInfo;
- int i;
-
- deviceInfo->defaultSampleRate = 0.;
-
- for( i=0; i < PA_DEFAULTSAMPLERATESEARCHORDER_COUNT_; ++i )
- {
- double sampleRate = defaultSampleRateSearchOrder_[ i ];
- PaError paerror = QueryFormatSupported( deviceInfo, waveFormatExQueryFunction, winMmeDeviceId, maxChannels, sampleRate );
- if( paerror == paNoError )
- {
- deviceInfo->defaultSampleRate = sampleRate;
- break;
- }
- }
-}
-
-
-static PaError InitializeInputDeviceInfo( PaWinMmeHostApiRepresentation *winMmeHostApi,
- PaWinMmeDeviceInfo *winMmeDeviceInfo, UINT winMmeInputDeviceId, int *success )
-{
- PaError result = paNoError;
- char *deviceName; /* non-const ptr */
- MMRESULT mmresult;
- WAVEINCAPS wic;
- PaDeviceInfo *deviceInfo = &winMmeDeviceInfo->inheritedDeviceInfo;
-
- *success = 0;
-
- mmresult = waveInGetDevCaps( winMmeInputDeviceId, &wic, sizeof( WAVEINCAPS ) );
- if( mmresult == MMSYSERR_NOMEM )
- {
- result = paInsufficientMemory;
- goto error;
- }
- else if( mmresult != MMSYSERR_NOERROR )
- {
- /* instead of returning paUnanticipatedHostError we return
- paNoError, but leave success set as 0. This allows
- Pa_Initialize to just ignore this device, without failing
- the entire initialisation process.
- */
- return paNoError;
- }
-
- if( winMmeInputDeviceId == WAVE_MAPPER )
- {
- /* Append I/O suffix to WAVE_MAPPER device. */
- deviceName = (char *)PaUtil_GroupAllocateMemory(
- winMmeHostApi->allocations, strlen( wic.szPname ) + 1 + sizeof(constInputMapperSuffix_) );
- if( !deviceName )
- {
- result = paInsufficientMemory;
- goto error;
- }
- strcpy( deviceName, wic.szPname );
- strcat( deviceName, constInputMapperSuffix_ );
- }
- else
- {
- deviceName = (char*)PaUtil_GroupAllocateMemory(
- winMmeHostApi->allocations, strlen( wic.szPname ) + 1 );
- if( !deviceName )
- {
- result = paInsufficientMemory;
- goto error;
- }
- strcpy( deviceName, wic.szPname );
- }
- deviceInfo->name = deviceName;
-
- deviceInfo->maxInputChannels = wic.wChannels;
- /* Sometimes a device can return a rediculously large number of channels.
- * This happened with an SBLive card on a Windows ME box.
- * If that happens, then force it to 2 channels. PLB20010413
- */
- if( (deviceInfo->maxInputChannels < 1) || (deviceInfo->maxInputChannels > 256) )
- {
- PA_DEBUG(("Pa_GetDeviceInfo: Num input channels reported as %d! Changed to 2.\n", deviceInfo->maxInputChannels ));
- deviceInfo->maxInputChannels = 2;
- }
-
- winMmeDeviceInfo->dwFormats = wic.dwFormats;
-
- DetectDefaultSampleRate( winMmeDeviceInfo, winMmeInputDeviceId,
- QueryInputWaveFormatEx, deviceInfo->maxInputChannels );
-
- *success = 1;
-
-error:
- return result;
-}
-
-
-static PaError InitializeOutputDeviceInfo( PaWinMmeHostApiRepresentation *winMmeHostApi,
- PaWinMmeDeviceInfo *winMmeDeviceInfo, UINT winMmeOutputDeviceId, int *success )
-{
- PaError result = paNoError;
- char *deviceName; /* non-const ptr */
- MMRESULT mmresult;
- WAVEOUTCAPS woc;
- PaDeviceInfo *deviceInfo = &winMmeDeviceInfo->inheritedDeviceInfo;
-
- *success = 0;
-
- mmresult = waveOutGetDevCaps( winMmeOutputDeviceId, &woc, sizeof( WAVEOUTCAPS ) );
- if( mmresult == MMSYSERR_NOMEM )
- {
- result = paInsufficientMemory;
- goto error;
- }
- else if( mmresult != MMSYSERR_NOERROR )
- {
- /* instead of returning paUnanticipatedHostError we return
- paNoError, but leave success set as 0. This allows
- Pa_Initialize to just ignore this device, without failing
- the entire initialisation process.
- */
- return paNoError;
- }
-
- if( winMmeOutputDeviceId == WAVE_MAPPER )
- {
- /* Append I/O suffix to WAVE_MAPPER device. */
- deviceName = (char *)PaUtil_GroupAllocateMemory(
- winMmeHostApi->allocations, strlen( woc.szPname ) + 1 + sizeof(constOutputMapperSuffix_) );
- if( !deviceName )
- {
- result = paInsufficientMemory;
- goto error;
- }
- strcpy( deviceName, woc.szPname );
- strcat( deviceName, constOutputMapperSuffix_ );
- }
- else
- {
- deviceName = (char*)PaUtil_GroupAllocateMemory(
- winMmeHostApi->allocations, strlen( woc.szPname ) + 1 );
- if( !deviceName )
- {
- result = paInsufficientMemory;
- goto error;
- }
- strcpy( deviceName, woc.szPname );
- }
- deviceInfo->name = deviceName;
-
- deviceInfo->maxOutputChannels = woc.wChannels;
- /* Sometimes a device can return a rediculously large number of channels.
- * This happened with an SBLive card on a Windows ME box.
- * It also happens on Win XP!
- */
- if( (deviceInfo->maxOutputChannels < 1) || (deviceInfo->maxOutputChannels > 256) )
- {
- PA_DEBUG(("Pa_GetDeviceInfo: Num output channels reported as %d! Changed to 2.\n", deviceInfo->maxOutputChannels ));
- deviceInfo->maxOutputChannels = 2;
- }
-
- winMmeDeviceInfo->dwFormats = woc.dwFormats;
-
- DetectDefaultSampleRate( winMmeDeviceInfo, winMmeOutputDeviceId,
- QueryOutputWaveFormatEx, deviceInfo->maxOutputChannels );
-
- *success = 1;
-
-error:
- return result;
-}
-
-
-static void GetDefaultLatencies( PaTime *defaultLowLatency, PaTime *defaultHighLatency )
-{
- OSVERSIONINFO osvi;
- osvi.dwOSVersionInfoSize = sizeof( osvi );
- GetVersionEx( &osvi );
-
- /* Check for NT */
- if( (osvi.dwMajorVersion == 4) && (osvi.dwPlatformId == 2) )
- {
- *defaultLowLatency = PA_MME_WIN_NT_DEFAULT_LATENCY_;
- }
- else if(osvi.dwMajorVersion >= 5)
- {
- *defaultLowLatency = PA_MME_WIN_WDM_DEFAULT_LATENCY_;
- }
- else
- {
- *defaultLowLatency = PA_MME_WIN_9X_DEFAULT_LATENCY_;
- }
-
- *defaultHighLatency = *defaultLowLatency * 2;
-}
-
-
-PaError PaWinMme_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiIndex hostApiIndex )
-{
- PaError result = paNoError;
- int i;
- PaWinMmeHostApiRepresentation *winMmeHostApi;
- int inputDeviceCount, outputDeviceCount, maximumPossibleDeviceCount;
- PaWinMmeDeviceInfo *deviceInfoArray;
- int deviceInfoInitializationSucceeded;
- PaTime defaultLowLatency, defaultHighLatency;
-
- winMmeHostApi = (PaWinMmeHostApiRepresentation*)PaUtil_AllocateMemory( sizeof(PaWinMmeHostApiRepresentation) );
- if( !winMmeHostApi )
- {
- result = paInsufficientMemory;
- goto error;
- }
-
- winMmeHostApi->allocations = PaUtil_CreateAllocationGroup();
- if( !winMmeHostApi->allocations )
- {
- result = paInsufficientMemory;
- goto error;
- }
-
- *hostApi = &winMmeHostApi->inheritedHostApiRep;
- (*hostApi)->info.structVersion = 1;
- (*hostApi)->info.type = paMME;
- (*hostApi)->info.name = "MME";
-
-
- /* initialise device counts and default devices under the assumption that
- there are no devices. These values are incremented below if and when
- devices are successfully initialized.
- */
- (*hostApi)->info.deviceCount = 0;
- (*hostApi)->info.defaultInputDevice = paNoDevice;
- (*hostApi)->info.defaultOutputDevice = paNoDevice;
- winMmeHostApi->inputDeviceCount = 0;
- winMmeHostApi->outputDeviceCount = 0;
-
-
- maximumPossibleDeviceCount = 0;
-
- inputDeviceCount = waveInGetNumDevs();
- if( inputDeviceCount > 0 )
- maximumPossibleDeviceCount += inputDeviceCount + 1; /* assume there is a WAVE_MAPPER */
-
- outputDeviceCount = waveOutGetNumDevs();
- if( outputDeviceCount > 0 )
- maximumPossibleDeviceCount += outputDeviceCount + 1; /* assume there is a WAVE_MAPPER */
-
-
- if( maximumPossibleDeviceCount > 0 ){
-
- (*hostApi)->deviceInfos = (PaDeviceInfo**)PaUtil_GroupAllocateMemory(
- winMmeHostApi->allocations, sizeof(PaDeviceInfo*) * maximumPossibleDeviceCount );
- if( !(*hostApi)->deviceInfos )
- {
- result = paInsufficientMemory;
- goto error;
- }
-
- /* allocate all device info structs in a contiguous block */
- deviceInfoArray = (PaWinMmeDeviceInfo*)PaUtil_GroupAllocateMemory(
- winMmeHostApi->allocations, sizeof(PaWinMmeDeviceInfo) * maximumPossibleDeviceCount );
- if( !deviceInfoArray )
- {
- result = paInsufficientMemory;
- goto error;
- }
-
- winMmeHostApi->winMmeDeviceIds = (UINT*)PaUtil_GroupAllocateMemory(
- winMmeHostApi->allocations, sizeof(int) * maximumPossibleDeviceCount );
- if( !winMmeHostApi->winMmeDeviceIds )
- {
- result = paInsufficientMemory;
- goto error;
- }
-
- GetDefaultLatencies( &defaultLowLatency, &defaultHighLatency );
-
- if( inputDeviceCount > 0 ){
- /* -1 is the WAVE_MAPPER */
- for( i = -1; i < inputDeviceCount; ++i ){
- UINT winMmeDeviceId = (UINT)((i==-1) ? WAVE_MAPPER : i);
- PaWinMmeDeviceInfo *wmmeDeviceInfo = &deviceInfoArray[ (*hostApi)->info.deviceCount ];
- PaDeviceInfo *deviceInfo = &wmmeDeviceInfo->inheritedDeviceInfo;
- deviceInfo->structVersion = 2;
- deviceInfo->hostApi = hostApiIndex;
-
- deviceInfo->maxInputChannels = 0;
- deviceInfo->maxOutputChannels = 0;
-
- deviceInfo->defaultLowInputLatency = defaultLowLatency;
- deviceInfo->defaultLowOutputLatency = defaultLowLatency;
- deviceInfo->defaultHighInputLatency = defaultHighLatency;
- deviceInfo->defaultHighOutputLatency = defaultHighLatency;
-
- result = InitializeInputDeviceInfo( winMmeHostApi, wmmeDeviceInfo,
- winMmeDeviceId, &deviceInfoInitializationSucceeded );
- if( result != paNoError )
- goto error;
-
- if( deviceInfoInitializationSucceeded ){
- if( (*hostApi)->info.defaultInputDevice == paNoDevice )
- (*hostApi)->info.defaultInputDevice = (*hostApi)->info.deviceCount;
-
- winMmeHostApi->winMmeDeviceIds[ (*hostApi)->info.deviceCount ] = winMmeDeviceId;
- (*hostApi)->deviceInfos[ (*hostApi)->info.deviceCount ] = deviceInfo;
-
- winMmeHostApi->inputDeviceCount++;
- (*hostApi)->info.deviceCount++;
- }
- }
- }
-
- if( outputDeviceCount > 0 ){
- /* -1 is the WAVE_MAPPER */
- for( i = -1; i < outputDeviceCount; ++i ){
- UINT winMmeDeviceId = (UINT)((i==-1) ? WAVE_MAPPER : i);
- PaWinMmeDeviceInfo *wmmeDeviceInfo = &deviceInfoArray[ (*hostApi)->info.deviceCount ];
- PaDeviceInfo *deviceInfo = &wmmeDeviceInfo->inheritedDeviceInfo;
- deviceInfo->structVersion = 2;
- deviceInfo->hostApi = hostApiIndex;
-
- deviceInfo->maxInputChannels = 0;
- deviceInfo->maxOutputChannels = 0;
-
- deviceInfo->defaultLowInputLatency = defaultLowLatency;
- deviceInfo->defaultLowOutputLatency = defaultLowLatency;
- deviceInfo->defaultHighInputLatency = defaultHighLatency;
- deviceInfo->defaultHighOutputLatency = defaultHighLatency;
-
- result = InitializeOutputDeviceInfo( winMmeHostApi, wmmeDeviceInfo,
- winMmeDeviceId, &deviceInfoInitializationSucceeded );
- if( result != paNoError )
- goto error;
-
- if( deviceInfoInitializationSucceeded ){
- if( (*hostApi)->info.defaultOutputDevice == paNoDevice )
- (*hostApi)->info.defaultOutputDevice = (*hostApi)->info.deviceCount;
-
- winMmeHostApi->winMmeDeviceIds[ (*hostApi)->info.deviceCount ] = winMmeDeviceId;
- (*hostApi)->deviceInfos[ (*hostApi)->info.deviceCount ] = deviceInfo;
-
- winMmeHostApi->outputDeviceCount++;
- (*hostApi)->info.deviceCount++;
- }
- }
- }
- }
-
-
- InitializeDefaultDeviceIdsFromEnv( winMmeHostApi );
-
- (*hostApi)->Terminate = Terminate;
- (*hostApi)->OpenStream = OpenStream;
- (*hostApi)->IsFormatSupported = IsFormatSupported;
-
- PaUtil_InitializeStreamInterface( &winMmeHostApi->callbackStreamInterface, CloseStream, StartStream,
- StopStream, AbortStream, IsStreamStopped, IsStreamActive,
- GetStreamTime, GetStreamCpuLoad,
- PaUtil_DummyRead, PaUtil_DummyWrite,
- PaUtil_DummyGetReadAvailable, PaUtil_DummyGetWriteAvailable );
-
- PaUtil_InitializeStreamInterface( &winMmeHostApi->blockingStreamInterface, CloseStream, StartStream,
- StopStream, AbortStream, IsStreamStopped, IsStreamActive,
- GetStreamTime, PaUtil_DummyGetCpuLoad,
- ReadStream, WriteStream, GetStreamReadAvailable, GetStreamWriteAvailable );
-
- return result;
-
-error:
- if( winMmeHostApi )
- {
- if( winMmeHostApi->allocations )
- {
- PaUtil_FreeAllAllocations( winMmeHostApi->allocations );
- PaUtil_DestroyAllocationGroup( winMmeHostApi->allocations );
- }
-
- PaUtil_FreeMemory( winMmeHostApi );
- }
-
- return result;
-}
-
-
-static void Terminate( struct PaUtilHostApiRepresentation *hostApi )
-{
- PaWinMmeHostApiRepresentation *winMmeHostApi = (PaWinMmeHostApiRepresentation*)hostApi;
-
- if( winMmeHostApi->allocations )
- {
- PaUtil_FreeAllAllocations( winMmeHostApi->allocations );
- PaUtil_DestroyAllocationGroup( winMmeHostApi->allocations );
- }
-
- PaUtil_FreeMemory( winMmeHostApi );
-}
-
-
-static PaError IsFormatSupported( struct PaUtilHostApiRepresentation *hostApi,
- const PaStreamParameters *inputParameters,
- const PaStreamParameters *outputParameters,
- double sampleRate )
-{
- PaWinMmeHostApiRepresentation *winMmeHostApi = (PaWinMmeHostApiRepresentation*)hostApi;
- PaDeviceInfo *inputDeviceInfo, *outputDeviceInfo;
- int inputChannelCount, outputChannelCount;
- int inputMultipleDeviceChannelCount, outputMultipleDeviceChannelCount;
- PaSampleFormat inputSampleFormat, outputSampleFormat;
- PaWinMmeStreamInfo *inputStreamInfo, *outputStreamInfo;
- UINT winMmeInputDeviceId, winMmeOutputDeviceId;
- unsigned int i;
- PaError paerror;
-
- /* The calls to QueryFormatSupported below are intended to detect invalid
- sample rates. If we assume that the channel count and format are OK,
- then the only thing that could fail is the sample rate. This isn't
- strictly true, but I can't think of a better way to test that the
- sample rate is valid.
- */
-
- if( inputParameters )
- {
- inputChannelCount = inputParameters->channelCount;
- inputSampleFormat = inputParameters->sampleFormat;
- inputStreamInfo = inputParameters->hostApiSpecificStreamInfo;
-
- /* all standard sample formats are supported by the buffer adapter,
- this implementation doesn't support any custom sample formats */
- if( inputSampleFormat & paCustomFormat )
- return paSampleFormatNotSupported;
-
- if( inputParameters->device == paUseHostApiSpecificDeviceSpecification
- && inputStreamInfo && (inputStreamInfo->flags & paWinMmeUseMultipleDevices) )
- {
- inputMultipleDeviceChannelCount = 0;
- for( i=0; i< inputStreamInfo->deviceCount; ++i )
- {
- inputMultipleDeviceChannelCount += inputStreamInfo->devices[i].channelCount;
-
- inputDeviceInfo = hostApi->deviceInfos[ inputStreamInfo->devices[i].device ];
-
- /* check that input device can support inputChannelCount */
- if( inputStreamInfo->devices[i].channelCount <= 0
- || inputStreamInfo->devices[i].channelCount > inputDeviceInfo->maxInputChannels )
- return paInvalidChannelCount;
-
- /* test for valid sample rate, see comment above */
- winMmeInputDeviceId = LocalDeviceIndexToWinMmeDeviceId( winMmeHostApi, inputStreamInfo->devices[i].device );
- paerror = QueryFormatSupported( inputDeviceInfo, QueryInputWaveFormatEx, winMmeInputDeviceId, inputStreamInfo->devices[i].channelCount, sampleRate );
- if( paerror != paNoError )
- return paInvalidSampleRate;
- }
-
- if( inputMultipleDeviceChannelCount != inputChannelCount )
- return paIncompatibleHostApiSpecificStreamInfo;
- }
- else
- {
- if( inputStreamInfo && (inputStreamInfo->flags & paWinMmeUseMultipleDevices) )
- return paIncompatibleHostApiSpecificStreamInfo; /* paUseHostApiSpecificDeviceSpecification was not supplied as the input device */
-
- inputDeviceInfo = hostApi->deviceInfos[ inputParameters->device ];
-
- /* check that input device can support inputChannelCount */
- if( inputChannelCount > inputDeviceInfo->maxInputChannels )
- return paInvalidChannelCount;
-
- /* test for valid sample rate, see comment above */
- winMmeInputDeviceId = LocalDeviceIndexToWinMmeDeviceId( winMmeHostApi, inputParameters->device );
- paerror = QueryFormatSupported( inputDeviceInfo, QueryInputWaveFormatEx, winMmeInputDeviceId, inputChannelCount, sampleRate );
- if( paerror != paNoError )
- return paInvalidSampleRate;
- }
- }
-
- if( outputParameters )
- {
- outputChannelCount = outputParameters->channelCount;
- outputSampleFormat = outputParameters->sampleFormat;
- outputStreamInfo = outputParameters->hostApiSpecificStreamInfo;
-
- /* all standard sample formats are supported by the buffer adapter,
- this implementation doesn't support any custom sample formats */
- if( outputSampleFormat & paCustomFormat )
- return paSampleFormatNotSupported;
-
- if( outputParameters->device == paUseHostApiSpecificDeviceSpecification
- && outputStreamInfo && (outputStreamInfo->flags & paWinMmeUseMultipleDevices) )
- {
- outputMultipleDeviceChannelCount = 0;
- for( i=0; i< outputStreamInfo->deviceCount; ++i )
- {
- outputMultipleDeviceChannelCount += outputStreamInfo->devices[i].channelCount;
-
- outputDeviceInfo = hostApi->deviceInfos[ outputStreamInfo->devices[i].device ];
-
- /* check that output device can support outputChannelCount */
- if( outputStreamInfo->devices[i].channelCount <= 0
- || outputStreamInfo->devices[i].channelCount > outputDeviceInfo->maxOutputChannels )
- return paInvalidChannelCount;
-
- /* test for valid sample rate, see comment above */
- winMmeOutputDeviceId = LocalDeviceIndexToWinMmeDeviceId( winMmeHostApi, outputStreamInfo->devices[i].device );
- paerror = QueryFormatSupported( outputDeviceInfo, QueryOutputWaveFormatEx, winMmeOutputDeviceId, outputStreamInfo->devices[i].channelCount, sampleRate );
- if( paerror != paNoError )
- return paInvalidSampleRate;
- }
-
- if( outputMultipleDeviceChannelCount != outputChannelCount )
- return paIncompatibleHostApiSpecificStreamInfo;
- }
- else
- {
- if( outputStreamInfo && (outputStreamInfo->flags & paWinMmeUseMultipleDevices) )
- return paIncompatibleHostApiSpecificStreamInfo; /* paUseHostApiSpecificDeviceSpecification was not supplied as the output device */
-
- outputDeviceInfo = hostApi->deviceInfos[ outputParameters->device ];
-
- /* check that output device can support outputChannelCount */
- if( outputChannelCount > outputDeviceInfo->maxOutputChannels )
- return paInvalidChannelCount;
-
- /* test for valid sample rate, see comment above */
- winMmeOutputDeviceId = LocalDeviceIndexToWinMmeDeviceId( winMmeHostApi, outputParameters->device );
- paerror = QueryFormatSupported( outputDeviceInfo, QueryOutputWaveFormatEx, winMmeOutputDeviceId, outputChannelCount, sampleRate );
- if( paerror != paNoError )
- return paInvalidSampleRate;
- }
- }
-
- /*
- - if a full duplex stream is requested, check that the combination
- of input and output parameters is supported
-
- - check that the device supports sampleRate
-
- for mme all we can do is test that the input and output devices
- support the requested sample rate and number of channels. we
- cannot test for full duplex compatibility.
- */
-
- return paFormatIsSupported;
-}
-
-
-
-static void SelectBufferSizeAndCount( unsigned long baseBufferSize,
- unsigned long requestedLatency,
- unsigned long baseBufferCount, unsigned long minimumBufferCount,
- unsigned long maximumBufferSize, unsigned long *hostBufferSize,
- unsigned long *hostBufferCount )
-{
- unsigned long sizeMultiplier, bufferCount, latency;
- unsigned long nextLatency, nextBufferSize;
- int baseBufferSizeIsPowerOfTwo;
-
- sizeMultiplier = 1;
- bufferCount = baseBufferCount;
-
- /* count-1 below because latency is always determined by one less
- than the total number of buffers.
- */
- latency = (baseBufferSize * sizeMultiplier) * (bufferCount-1);
-
- if( latency > requestedLatency )
- {
-
- /* reduce number of buffers without falling below suggested latency */
-
- nextLatency = (baseBufferSize * sizeMultiplier) * (bufferCount-2);
- while( bufferCount > minimumBufferCount && nextLatency >= requestedLatency )
- {
- --bufferCount;
- nextLatency = (baseBufferSize * sizeMultiplier) * (bufferCount-2);
- }
-
- }else if( latency < requestedLatency ){
-
- baseBufferSizeIsPowerOfTwo = (! (baseBufferSize & (baseBufferSize - 1)));
- if( baseBufferSizeIsPowerOfTwo ){
-
- /* double size of buffers without exceeding requestedLatency */
-
- nextBufferSize = (baseBufferSize * (sizeMultiplier*2));
- nextLatency = nextBufferSize * (bufferCount-1);
- while( nextBufferSize <= maximumBufferSize
- && nextLatency < requestedLatency )
- {
- sizeMultiplier *= 2;
- nextBufferSize = (baseBufferSize * (sizeMultiplier*2));
- nextLatency = nextBufferSize * (bufferCount-1);
- }
-
- }else{
-
- /* increase size of buffers upto first excess of requestedLatency */
-
- nextBufferSize = (baseBufferSize * (sizeMultiplier+1));
- nextLatency = nextBufferSize * (bufferCount-1);
- while( nextBufferSize <= maximumBufferSize
- && nextLatency < requestedLatency )
- {
- ++sizeMultiplier;
- nextBufferSize = (baseBufferSize * (sizeMultiplier+1));
- nextLatency = nextBufferSize * (bufferCount-1);
- }
-
- if( nextLatency < requestedLatency )
- ++sizeMultiplier;
- }
-
- /* increase number of buffers until requestedLatency is reached */
-
- latency = (baseBufferSize * sizeMultiplier) * (bufferCount-1);
- while( latency < requestedLatency )
- {
- ++bufferCount;
- latency = (baseBufferSize * sizeMultiplier) * (bufferCount-1);
- }
- }
-
- *hostBufferSize = baseBufferSize * sizeMultiplier;
- *hostBufferCount = bufferCount;
-}
-
-
-static void ReselectBufferCount( unsigned long bufferSize,
- unsigned long requestedLatency,
- unsigned long baseBufferCount, unsigned long minimumBufferCount,
- unsigned long *hostBufferCount )
-{
- unsigned long bufferCount, latency;
- unsigned long nextLatency;
-
- bufferCount = baseBufferCount;
-
- /* count-1 below because latency is always determined by one less
- than the total number of buffers.
- */
- latency = bufferSize * (bufferCount-1);
-
- if( latency > requestedLatency )
- {
- /* reduce number of buffers without falling below suggested latency */
-
- nextLatency = bufferSize * (bufferCount-2);
- while( bufferCount > minimumBufferCount && nextLatency >= requestedLatency )
- {
- --bufferCount;
- nextLatency = bufferSize * (bufferCount-2);
- }
-
- }else if( latency < requestedLatency ){
-
- /* increase number of buffers until requestedLatency is reached */
-
- latency = bufferSize * (bufferCount-1);
- while( latency < requestedLatency )
- {
- ++bufferCount;
- latency = bufferSize * (bufferCount-1);
- }
- }
-
- *hostBufferCount = bufferCount;
-}
-
-
-/* CalculateBufferSettings() fills the framesPerHostInputBuffer, hostInputBufferCount,
- framesPerHostOutputBuffer and hostOutputBufferCount parameters based on the values
- of the other parameters.
-*/
-
-static PaError CalculateBufferSettings(
- unsigned long *framesPerHostInputBuffer, unsigned long *hostInputBufferCount,
- unsigned long *framesPerHostOutputBuffer, unsigned long *hostOutputBufferCount,
- int inputChannelCount, PaSampleFormat hostInputSampleFormat,
- PaTime suggestedInputLatency, PaWinMmeStreamInfo *inputStreamInfo,
- int outputChannelCount, PaSampleFormat hostOutputSampleFormat,
- PaTime suggestedOutputLatency, PaWinMmeStreamInfo *outputStreamInfo,
- double sampleRate, unsigned long framesPerBuffer )
-{
- PaError result = paNoError;
- int effectiveInputChannelCount, effectiveOutputChannelCount;
- int hostInputFrameSize = 0;
- unsigned int i;
-
- if( inputChannelCount > 0 )
- {
- int hostInputSampleSize = Pa_GetSampleSize( hostInputSampleFormat );
- if( hostInputSampleSize < 0 )
- {
- result = hostInputSampleSize;
- goto error;
- }
-
- if( inputStreamInfo
- && ( inputStreamInfo->flags & paWinMmeUseMultipleDevices ) )
- {
- /* set effectiveInputChannelCount to the largest number of
- channels on any one device.
- */
- effectiveInputChannelCount = 0;
- for( i=0; i< inputStreamInfo->deviceCount; ++i )
- {
- if( inputStreamInfo->devices[i].channelCount > effectiveInputChannelCount )
- effectiveInputChannelCount = inputStreamInfo->devices[i].channelCount;
- }
- }
- else
- {
- effectiveInputChannelCount = inputChannelCount;
- }
-
- hostInputFrameSize = hostInputSampleSize * effectiveInputChannelCount;
-
- if( inputStreamInfo
- && ( inputStreamInfo->flags & paWinMmeUseLowLevelLatencyParameters ) )
- {
- if( inputStreamInfo->bufferCount <= 0
- || inputStreamInfo->framesPerBuffer <= 0 )
- {
- result = paIncompatibleHostApiSpecificStreamInfo;
- goto error;
- }
-
- *framesPerHostInputBuffer = inputStreamInfo->framesPerBuffer;
- *hostInputBufferCount = inputStreamInfo->bufferCount;
- }
- else
- {
- unsigned long hostBufferSizeBytes, hostBufferCount;
- unsigned long minimumBufferCount = (outputChannelCount > 0)
- ? PA_MME_MIN_HOST_INPUT_BUFFER_COUNT_FULL_DUPLEX_
- : PA_MME_MIN_HOST_INPUT_BUFFER_COUNT_HALF_DUPLEX_;
-
- unsigned long maximumBufferSize = (long) ((PA_MME_MAX_HOST_BUFFER_SECS_ * sampleRate) * hostInputFrameSize);
- if( maximumBufferSize > PA_MME_MAX_HOST_BUFFER_BYTES_ )
- maximumBufferSize = PA_MME_MAX_HOST_BUFFER_BYTES_;
-
- /* compute the following in bytes, then convert back to frames */
-
- SelectBufferSizeAndCount(
- ((framesPerBuffer == paFramesPerBufferUnspecified)
- ? PA_MME_MIN_HOST_BUFFER_FRAMES_WHEN_UNSPECIFIED_
- : framesPerBuffer ) * hostInputFrameSize, /* baseBufferSize */
- ((unsigned long)(suggestedInputLatency * sampleRate)) * hostInputFrameSize, /* suggestedLatency */
- 4, /* baseBufferCount */
- minimumBufferCount, maximumBufferSize,
- &hostBufferSizeBytes, &hostBufferCount );
-
- *framesPerHostInputBuffer = hostBufferSizeBytes / hostInputFrameSize;
- *hostInputBufferCount = hostBufferCount;
- }
- }
- else
- {
- *framesPerHostInputBuffer = 0;
- *hostInputBufferCount = 0;
- }
-
- if( outputChannelCount > 0 )
- {
- if( outputStreamInfo
- && ( outputStreamInfo->flags & paWinMmeUseLowLevelLatencyParameters ) )
- {
- if( outputStreamInfo->bufferCount <= 0
- || outputStreamInfo->framesPerBuffer <= 0 )
- {
- result = paIncompatibleHostApiSpecificStreamInfo;
- goto error;
- }
-
- *framesPerHostOutputBuffer = outputStreamInfo->framesPerBuffer;
- *hostOutputBufferCount = outputStreamInfo->bufferCount;
-
-
- if( inputChannelCount > 0 ) /* full duplex */
- {
- if( *framesPerHostInputBuffer != *framesPerHostOutputBuffer )
- {
- if( inputStreamInfo
- && ( inputStreamInfo->flags & paWinMmeUseLowLevelLatencyParameters ) )
- {
- /* a custom StreamInfo was used for specifying both input
- and output buffer sizes, the larger buffer size
- must be a multiple of the smaller buffer size */
-
- if( *framesPerHostInputBuffer < *framesPerHostOutputBuffer )
- {
- if( *framesPerHostOutputBuffer % *framesPerHostInputBuffer != 0 )
- {
- result = paIncompatibleHostApiSpecificStreamInfo;
- goto error;
- }
- }
- else
- {
- assert( *framesPerHostInputBuffer > *framesPerHostOutputBuffer );
- if( *framesPerHostInputBuffer % *framesPerHostOutputBuffer != 0 )
- {
- result = paIncompatibleHostApiSpecificStreamInfo;
- goto error;
- }
- }
- }
- else
- {
- /* a custom StreamInfo was not used for specifying the input buffer size,
- so use the output buffer size, and approximately the same latency. */
-
- *framesPerHostInputBuffer = *framesPerHostOutputBuffer;
- *hostInputBufferCount = (((unsigned long)(suggestedInputLatency * sampleRate)) / *framesPerHostInputBuffer) + 1;
-
- if( *hostInputBufferCount < PA_MME_MIN_HOST_INPUT_BUFFER_COUNT_FULL_DUPLEX_ )
- *hostInputBufferCount = PA_MME_MIN_HOST_INPUT_BUFFER_COUNT_FULL_DUPLEX_;
- }
- }
- }
- }
- else
- {
- unsigned long hostBufferSizeBytes, hostBufferCount;
- unsigned long minimumBufferCount = PA_MME_MIN_HOST_OUTPUT_BUFFER_COUNT_;
- unsigned long maximumBufferSize;
- int hostOutputFrameSize;
- int hostOutputSampleSize;
-
- hostOutputSampleSize = Pa_GetSampleSize( hostOutputSampleFormat );
- if( hostOutputSampleSize < 0 )
- {
- result = hostOutputSampleSize;
- goto error;
- }
-
- if( outputStreamInfo
- && ( outputStreamInfo->flags & paWinMmeUseMultipleDevices ) )
- {
- /* set effectiveOutputChannelCount to the largest number of
- channels on any one device.
- */
- effectiveOutputChannelCount = 0;
- for( i=0; i< outputStreamInfo->deviceCount; ++i )
- {
- if( outputStreamInfo->devices[i].channelCount > effectiveOutputChannelCount )
- effectiveOutputChannelCount = outputStreamInfo->devices[i].channelCount;
- }
- }
- else
- {
- effectiveOutputChannelCount = outputChannelCount;
- }
-
- hostOutputFrameSize = hostOutputSampleSize * effectiveOutputChannelCount;
-
- maximumBufferSize = (long) ((PA_MME_MAX_HOST_BUFFER_SECS_ * sampleRate) * hostOutputFrameSize);
- if( maximumBufferSize > PA_MME_MAX_HOST_BUFFER_BYTES_ )
- maximumBufferSize = PA_MME_MAX_HOST_BUFFER_BYTES_;
-
-
- /* compute the following in bytes, then convert back to frames */
-
- SelectBufferSizeAndCount(
- ((framesPerBuffer == paFramesPerBufferUnspecified)
- ? PA_MME_MIN_HOST_BUFFER_FRAMES_WHEN_UNSPECIFIED_
- : framesPerBuffer ) * hostOutputFrameSize, /* baseBufferSize */
- ((unsigned long)(suggestedOutputLatency * sampleRate)) * hostOutputFrameSize, /* suggestedLatency */
- 4, /* baseBufferCount */
- minimumBufferCount,
- maximumBufferSize,
- &hostBufferSizeBytes, &hostBufferCount );
-
- *framesPerHostOutputBuffer = hostBufferSizeBytes / hostOutputFrameSize;
- *hostOutputBufferCount = hostBufferCount;
-
-
- if( inputChannelCount > 0 )
- {
- /* ensure that both input and output buffer sizes are the same.
- if they don't match at this stage, choose the smallest one
- and use that for input and output
- */
-
- if( *framesPerHostOutputBuffer != *framesPerHostInputBuffer )
- {
- if( framesPerHostInputBuffer < framesPerHostOutputBuffer )
- {
- unsigned long framesPerHostBuffer = *framesPerHostInputBuffer;
-
- minimumBufferCount = PA_MME_MIN_HOST_OUTPUT_BUFFER_COUNT_;
- ReselectBufferCount(
- framesPerHostBuffer * hostOutputFrameSize, /* bufferSize */
- ((unsigned long)(suggestedOutputLatency * sampleRate)) * hostOutputFrameSize, /* suggestedLatency */
- 4, /* baseBufferCount */
- minimumBufferCount,
- &hostBufferCount );
-
- *framesPerHostOutputBuffer = framesPerHostBuffer;
- *hostOutputBufferCount = hostBufferCount;
- }
- else
- {
- unsigned long framesPerHostBuffer = *framesPerHostOutputBuffer;
-
- minimumBufferCount = PA_MME_MIN_HOST_INPUT_BUFFER_COUNT_FULL_DUPLEX_;
- ReselectBufferCount(
- framesPerHostBuffer * hostInputFrameSize, /* bufferSize */
- ((unsigned long)(suggestedInputLatency * sampleRate)) * hostInputFrameSize, /* suggestedLatency */
- 4, /* baseBufferCount */
- minimumBufferCount,
- &hostBufferCount );
-
- *framesPerHostInputBuffer = framesPerHostBuffer;
- *hostInputBufferCount = hostBufferCount;
- }
- }
- }
- }
- }
- else
- {
- *framesPerHostOutputBuffer = 0;
- *hostOutputBufferCount = 0;
- }
-
-error:
- return result;
-}
-
-
-typedef struct
-{
- HANDLE bufferEvent;
- void *waveHandles;
- unsigned int deviceCount;
- /* unsigned int channelCount; */
- WAVEHDR **waveHeaders; /* waveHeaders[device][buffer] */
- unsigned int bufferCount;
- unsigned int currentBufferIndex;
- unsigned int framesPerBuffer;
- unsigned int framesUsedInCurrentBuffer;
-}PaWinMmeSingleDirectionHandlesAndBuffers;
-
-/* prototypes for functions operating on PaWinMmeSingleDirectionHandlesAndBuffers */
-
-static void InitializeSingleDirectionHandlesAndBuffers( PaWinMmeSingleDirectionHandlesAndBuffers *handlesAndBuffers );
-static PaError InitializeWaveHandles( PaWinMmeHostApiRepresentation *winMmeHostApi,
- PaWinMmeSingleDirectionHandlesAndBuffers *handlesAndBuffers,
- unsigned long bytesPerHostSample,
- double sampleRate, PaWinMmeDeviceAndChannelCount *devices,
- unsigned int deviceCount, int isInput );
-static PaError TerminateWaveHandles( PaWinMmeSingleDirectionHandlesAndBuffers *handlesAndBuffers, int isInput, int currentlyProcessingAnError );
-static PaError InitializeWaveHeaders( PaWinMmeSingleDirectionHandlesAndBuffers *handlesAndBuffers,
- unsigned long hostBufferCount,
- PaSampleFormat hostSampleFormat,
- unsigned long framesPerHostBuffer,
- PaWinMmeDeviceAndChannelCount *devices,
- int isInput );
-static void TerminateWaveHeaders( PaWinMmeSingleDirectionHandlesAndBuffers *handlesAndBuffers, int isInput );
-
-
-static void InitializeSingleDirectionHandlesAndBuffers( PaWinMmeSingleDirectionHandlesAndBuffers *handlesAndBuffers )
-{
- handlesAndBuffers->bufferEvent = 0;
- handlesAndBuffers->waveHandles = 0;
- handlesAndBuffers->deviceCount = 0;
- handlesAndBuffers->waveHeaders = 0;
- handlesAndBuffers->bufferCount = 0;
-}
-
-static PaError InitializeWaveHandles( PaWinMmeHostApiRepresentation *winMmeHostApi,
- PaWinMmeSingleDirectionHandlesAndBuffers *handlesAndBuffers,
- unsigned long bytesPerHostSample,
- double sampleRate, PaWinMmeDeviceAndChannelCount *devices,
- unsigned int deviceCount, int isInput )
-{
- PaError result;
- MMRESULT mmresult;
- unsigned long bytesPerFrame;
- WAVEFORMATEX wfx;
- signed int i;
-
- /* for error cleanup we expect that InitializeSingleDirectionHandlesAndBuffers()
- has already been called to zero some fields */
-
- result = CreateEventWithPaError( &handlesAndBuffers->bufferEvent, NULL, FALSE, FALSE, NULL );
- if( result != paNoError ) goto error;
-
- if( isInput )
- handlesAndBuffers->waveHandles = (void*)PaUtil_AllocateMemory( sizeof(HWAVEIN) * deviceCount );
- else
- handlesAndBuffers->waveHandles = (void*)PaUtil_AllocateMemory( sizeof(HWAVEOUT) * deviceCount );
- if( !handlesAndBuffers->waveHandles )
- {
- result = paInsufficientMemory;
- goto error;
- }
-
- handlesAndBuffers->deviceCount = deviceCount;
-
- for( i = 0; i < (signed int)deviceCount; ++i )
- {
- if( isInput )
- ((HWAVEIN*)handlesAndBuffers->waveHandles)[i] = 0;
- else
- ((HWAVEOUT*)handlesAndBuffers->waveHandles)[i] = 0;
- }
-
- wfx.wFormatTag = WAVE_FORMAT_PCM;
- wfx.nSamplesPerSec = (DWORD) sampleRate;
- wfx.cbSize = 0;
-
- for( i = 0; i < (signed int)deviceCount; ++i )
- {
- UINT winMmeDeviceId;
-
- winMmeDeviceId = LocalDeviceIndexToWinMmeDeviceId( winMmeHostApi, devices[i].device );
- wfx.nChannels = (WORD)devices[i].channelCount;
-
- bytesPerFrame = wfx.nChannels * bytesPerHostSample;
-
- wfx.nAvgBytesPerSec = (DWORD)(bytesPerFrame * sampleRate);
- wfx.nBlockAlign = (WORD)bytesPerFrame;
- wfx.wBitsPerSample = (WORD)((bytesPerFrame/wfx.nChannels) * 8);
-
- /* REVIEW: consider not firing an event for input when a full duplex
- stream is being used. this would probably depend on the
- neverDropInput flag. */
-
- if( isInput )
- mmresult = waveInOpen( &((HWAVEIN*)handlesAndBuffers->waveHandles)[i], winMmeDeviceId, &wfx,
- (DWORD)handlesAndBuffers->bufferEvent, (DWORD)0, CALLBACK_EVENT );
- else
- mmresult = waveOutOpen( &((HWAVEOUT*)handlesAndBuffers->waveHandles)[i], winMmeDeviceId, &wfx,
- (DWORD)handlesAndBuffers->bufferEvent, (DWORD)0, CALLBACK_EVENT );
-
- if( mmresult != MMSYSERR_NOERROR )
- {
- switch( mmresult )
- {
- case MMSYSERR_ALLOCATED: /* Specified resource is already allocated. */
- result = paDeviceUnavailable;
- break;
- case MMSYSERR_NODRIVER: /* No device driver is present. */
- result = paDeviceUnavailable;
- break;
- case MMSYSERR_NOMEM: /* Unable to allocate or lock memory. */
- result = paInsufficientMemory;
- break;
-
- case MMSYSERR_BADDEVICEID: /* Specified device identifier is out of range. */
- /* falls through */
- case WAVERR_BADFORMAT: /* Attempted to open with an unsupported waveform-audio format. */
- /* falls through */
- default:
- result = paUnanticipatedHostError;
- if( isInput )
- {
- PA_MME_SET_LAST_WAVEIN_ERROR( mmresult );
- }
- else
- {
- PA_MME_SET_LAST_WAVEOUT_ERROR( mmresult );
- }
- }
- goto error;
- }
- }
-
- return result;
-
-error:
- TerminateWaveHandles( handlesAndBuffers, isInput, 1 /* currentlyProcessingAnError */ );
-
- return result;
-}
-
-
-static PaError TerminateWaveHandles( PaWinMmeSingleDirectionHandlesAndBuffers *handlesAndBuffers, int isInput, int currentlyProcessingAnError )
-{
- PaError result = paNoError;
- MMRESULT mmresult;
- signed int i;
-
- if( handlesAndBuffers->waveHandles )
- {
- for( i = handlesAndBuffers->deviceCount-1; i >= 0; --i )
- {
- if( isInput )
- {
- if( ((HWAVEIN*)handlesAndBuffers->waveHandles)[i] )
- mmresult = waveInClose( ((HWAVEIN*)handlesAndBuffers->waveHandles)[i] );
- }
- else
- {
- if( ((HWAVEOUT*)handlesAndBuffers->waveHandles)[i] )
- mmresult = waveOutClose( ((HWAVEOUT*)handlesAndBuffers->waveHandles)[i] );
- }
-
- if( mmresult != MMSYSERR_NOERROR &&
- !currentlyProcessingAnError ) /* don't update the error state if we're already processing an error */
- {
- result = paUnanticipatedHostError;
- if( isInput )
- {
- PA_MME_SET_LAST_WAVEIN_ERROR( mmresult );
- }
- else
- {
- PA_MME_SET_LAST_WAVEOUT_ERROR( mmresult );
- }
- /* note that we don't break here, we try to continue closing devices */
- }
- }
-
- PaUtil_FreeMemory( handlesAndBuffers->waveHandles );
- handlesAndBuffers->waveHandles = 0;
- }
-
- if( handlesAndBuffers->bufferEvent )
- {
- result = CloseHandleWithPaError( handlesAndBuffers->bufferEvent );
- handlesAndBuffers->bufferEvent = 0;
- }
-
- return result;
-}
-
-
-static PaError InitializeWaveHeaders( PaWinMmeSingleDirectionHandlesAndBuffers *handlesAndBuffers,
- unsigned long hostBufferCount,
- PaSampleFormat hostSampleFormat,
- unsigned long framesPerHostBuffer,
- PaWinMmeDeviceAndChannelCount *devices,
- int isInput )
-{
- PaError result = paNoError;
- MMRESULT mmresult;
- WAVEHDR *deviceWaveHeaders;
- signed int i, j;
-
- /* for error cleanup we expect that InitializeSingleDirectionHandlesAndBuffers()
- has already been called to zero some fields */
-
-
- /* allocate an array of pointers to arrays of wave headers, one array of
- wave headers per device */
- handlesAndBuffers->waveHeaders = (WAVEHDR**)PaUtil_AllocateMemory( sizeof(WAVEHDR*) * handlesAndBuffers->deviceCount );
- if( !handlesAndBuffers->waveHeaders )
- {
- result = paInsufficientMemory;
- goto error;
- }
-
- for( i = 0; i < (signed int)handlesAndBuffers->deviceCount; ++i )
- handlesAndBuffers->waveHeaders[i] = 0;
-
- handlesAndBuffers->bufferCount = hostBufferCount;
-
- for( i = 0; i < (signed int)handlesAndBuffers->deviceCount; ++i )
- {
- int bufferBytes = Pa_GetSampleSize( hostSampleFormat ) *
- framesPerHostBuffer * devices[i].channelCount;
- if( bufferBytes < 0 )
- {
- result = paInternalError;
- goto error;
- }
-
- /* Allocate an array of wave headers for device i */
- deviceWaveHeaders = (WAVEHDR *) PaUtil_AllocateMemory( sizeof(WAVEHDR)*hostBufferCount );
- if( !deviceWaveHeaders )
- {
- result = paInsufficientMemory;
- goto error;
- }
-
- for( j=0; j < (signed int)hostBufferCount; ++j )
- deviceWaveHeaders[j].lpData = 0;
-
- handlesAndBuffers->waveHeaders[i] = deviceWaveHeaders;
-
- /* Allocate a buffer for each wave header */
- for( j=0; j < (signed int)hostBufferCount; ++j )
- {
- deviceWaveHeaders[j].lpData = (char *)PaUtil_AllocateMemory( bufferBytes );
- if( !deviceWaveHeaders[j].lpData )
- {
- result = paInsufficientMemory;
- goto error;
- }
- deviceWaveHeaders[j].dwBufferLength = bufferBytes;
- deviceWaveHeaders[j].dwUser = 0xFFFFFFFF; /* indicates that *PrepareHeader() has not yet been called, for error clean up code */
-
- if( isInput )
- {
- mmresult = waveInPrepareHeader( ((HWAVEIN*)handlesAndBuffers->waveHandles)[i], &deviceWaveHeaders[j], sizeof(WAVEHDR) );
- if( mmresult != MMSYSERR_NOERROR )
- {
- result = paUnanticipatedHostError;
- PA_MME_SET_LAST_WAVEIN_ERROR( mmresult );
- goto error;
- }
- }
- else /* output */
- {
- mmresult = waveOutPrepareHeader( ((HWAVEOUT*)handlesAndBuffers->waveHandles)[i], &deviceWaveHeaders[j], sizeof(WAVEHDR) );
- if( mmresult != MMSYSERR_NOERROR )
- {
- result = paUnanticipatedHostError;
- PA_MME_SET_LAST_WAVEIN_ERROR( mmresult );
- goto error;
- }
- }
- deviceWaveHeaders[j].dwUser = devices[i].channelCount;
- }
- }
-
- return result;
-
-error:
- TerminateWaveHeaders( handlesAndBuffers, isInput );
-
- return result;
-}
-
-
-static void TerminateWaveHeaders( PaWinMmeSingleDirectionHandlesAndBuffers *handlesAndBuffers, int isInput )
-{
- signed int i, j;
- WAVEHDR *deviceWaveHeaders;
-
- if( handlesAndBuffers->waveHeaders )
- {
- for( i = handlesAndBuffers->deviceCount-1; i >= 0 ; --i )
- {
- deviceWaveHeaders = handlesAndBuffers->waveHeaders[i]; /* wave headers for device i */
- if( deviceWaveHeaders )
- {
- for( j = handlesAndBuffers->bufferCount-1; j >= 0; --j )
- {
- if( deviceWaveHeaders[j].lpData )
- {
- if( deviceWaveHeaders[j].dwUser != 0xFFFFFFFF )
- {
- if( isInput )
- waveInUnprepareHeader( ((HWAVEIN*)handlesAndBuffers->waveHandles)[i], &deviceWaveHeaders[j], sizeof(WAVEHDR) );
- else
- waveOutUnprepareHeader( ((HWAVEOUT*)handlesAndBuffers->waveHandles)[i], &deviceWaveHeaders[j], sizeof(WAVEHDR) );
- }
-
- PaUtil_FreeMemory( deviceWaveHeaders[j].lpData );
- }
- }
-
- PaUtil_FreeMemory( deviceWaveHeaders );
- }
- }
-
- PaUtil_FreeMemory( handlesAndBuffers->waveHeaders );
- handlesAndBuffers->waveHeaders = 0;
- }
-}
-
-
-
-/* PaWinMmeStream - a stream data structure specifically for this implementation */
-/* note that struct PaWinMmeStream is typedeffed to PaWinMmeStream above. */
-struct PaWinMmeStream
-{
- PaUtilStreamRepresentation streamRepresentation;
- PaUtilCpuLoadMeasurer cpuLoadMeasurer;
- PaUtilBufferProcessor bufferProcessor;
-
- int primeStreamUsingCallback;
-
- PaWinMmeSingleDirectionHandlesAndBuffers input;
- PaWinMmeSingleDirectionHandlesAndBuffers output;
-
- /* Processing thread management -------------- */
- HANDLE abortEvent;
- HANDLE processingThread;
- DWORD processingThreadId;
-
- char throttleProcessingThreadOnOverload; /* 0 -> don't throtte, non-0 -> throttle */
- int processingThreadPriority;
- int highThreadPriority;
- int throttledThreadPriority;
- unsigned long throttledSleepMsecs;
-
- int isStopped;
- volatile int isActive;
- volatile int stopProcessing; /* stop thread once existing buffers have been returned */
- volatile int abortProcessing; /* stop thread immediately */
-
- DWORD allBuffersDurationMs; /* used to calculate timeouts */
-};
-
-/* updates deviceCount if PaWinMmeUseMultipleDevices is used */
-
-static PaError ValidateWinMmeSpecificStreamInfo(
- const PaStreamParameters *streamParameters,
- const PaWinMmeStreamInfo *streamInfo,
- char *throttleProcessingThreadOnOverload,
- unsigned long *deviceCount )
-{
- if( streamInfo )
- {
- if( streamInfo->size != sizeof( PaWinMmeStreamInfo )
- || streamInfo->version != 1 )
- {
- return paIncompatibleHostApiSpecificStreamInfo;
- }
-
- if( streamInfo->flags & paWinMmeDontThrottleOverloadedProcessingThread )
- *throttleProcessingThreadOnOverload = 0;
-
- if( streamInfo->flags & paWinMmeUseMultipleDevices )
- {
- if( streamParameters->device != paUseHostApiSpecificDeviceSpecification )
- return paInvalidDevice;
-
- *deviceCount = streamInfo->deviceCount;
- }
- }
-
- return paNoError;
-}
-
-static PaError RetrieveDevicesFromStreamParameters(
- struct PaUtilHostApiRepresentation *hostApi,
- const PaStreamParameters *streamParameters,
- const PaWinMmeStreamInfo *streamInfo,
- PaWinMmeDeviceAndChannelCount *devices,
- unsigned long deviceCount )
-{
- PaError result = paNoError;
- unsigned int i;
- int totalChannelCount;
- PaDeviceIndex hostApiDevice;
-
- if( streamInfo && streamInfo->flags & paWinMmeUseMultipleDevices )
- {
- totalChannelCount = 0;
- for( i=0; i < deviceCount; ++i )
- {
- /* validate that the device number is within range */
- result = PaUtil_DeviceIndexToHostApiDeviceIndex( &hostApiDevice,
- streamInfo->devices[i].device, hostApi );
- if( result != paNoError )
- return result;
-
- devices[i].device = hostApiDevice;
- devices[i].channelCount = streamInfo->devices[i].channelCount;
-
- totalChannelCount += devices[i].channelCount;
- }
-
- if( totalChannelCount != streamParameters->channelCount )
- {
- /* channelCount must match total channels specified by multiple devices */
- return paInvalidChannelCount; /* REVIEW use of this error code */
- }
- }
- else
- {
- devices[0].device = streamParameters->device;
- devices[0].channelCount = streamParameters->channelCount;
- }
-
- return result;
-}
-
-static PaError ValidateInputChannelCounts(
- struct PaUtilHostApiRepresentation *hostApi,
- PaWinMmeDeviceAndChannelCount *devices,
- unsigned long deviceCount )
-{
- unsigned int i;
-
- for( i=0; i < deviceCount; ++i )
- {
- if( devices[i].channelCount < 1 || devices[i].channelCount
- > hostApi->deviceInfos[ devices[i].device ]->maxInputChannels )
- return paInvalidChannelCount;
- }
-
- return paNoError;
-}
-
-static PaError ValidateOutputChannelCounts(
- struct PaUtilHostApiRepresentation *hostApi,
- PaWinMmeDeviceAndChannelCount *devices,
- unsigned long deviceCount )
-{
- unsigned int i;
-
- for( i=0; i < deviceCount; ++i )
- {
- if( devices[i].channelCount < 1 || devices[i].channelCount
- > hostApi->deviceInfos[ devices[i].device ]->maxOutputChannels )
- return paInvalidChannelCount;
- }
-
- return paNoError;
-}
-
-
-/* the following macros are intended to improve the readability of the following code */
-#define PA_IS_INPUT_STREAM_( stream ) ( stream ->input.waveHandles )
-#define PA_IS_OUTPUT_STREAM_( stream ) ( stream ->output.waveHandles )
-#define PA_IS_FULL_DUPLEX_STREAM_( stream ) ( stream ->input.waveHandles && stream ->output.waveHandles )
-#define PA_IS_HALF_DUPLEX_STREAM_( stream ) ( !(stream ->input.waveHandles && stream ->output.waveHandles) )
-
-static PaError OpenStream( struct PaUtilHostApiRepresentation *hostApi,
- PaStream** s,
- const PaStreamParameters *inputParameters,
- const PaStreamParameters *outputParameters,
- double sampleRate,
- unsigned long framesPerBuffer,
- PaStreamFlags streamFlags,
- PaStreamCallback *streamCallback,
- void *userData )
-{
- PaError result;
- PaWinMmeHostApiRepresentation *winMmeHostApi = (PaWinMmeHostApiRepresentation*)hostApi;
- PaWinMmeStream *stream = 0;
- int bufferProcessorIsInitialized = 0;
- int streamRepresentationIsInitialized = 0;
- PaSampleFormat hostInputSampleFormat, hostOutputSampleFormat;
- int inputChannelCount, outputChannelCount;
- PaSampleFormat inputSampleFormat, outputSampleFormat;
- double suggestedInputLatency, suggestedOutputLatency;
- PaWinMmeStreamInfo *inputStreamInfo, *outputStreamInfo;
- unsigned long framesPerHostInputBuffer;
- unsigned long hostInputBufferCount;
- unsigned long framesPerHostOutputBuffer;
- unsigned long hostOutputBufferCount;
- unsigned long framesPerBufferProcessorCall;
- PaWinMmeDeviceAndChannelCount *inputDevices = 0; /* contains all devices and channel counts as local host api ids, even when PaWinMmeUseMultipleDevices is not used */
- unsigned long inputDeviceCount = 0;
- PaWinMmeDeviceAndChannelCount *outputDevices = 0;
- unsigned long outputDeviceCount = 0; /* contains all devices and channel counts as local host api ids, even when PaWinMmeUseMultipleDevices is not used */
- char throttleProcessingThreadOnOverload = 1;
-
-
- if( inputParameters )
- {
- inputChannelCount = inputParameters->channelCount;
- inputSampleFormat = inputParameters->sampleFormat;
- suggestedInputLatency = inputParameters->suggestedLatency;
-
- inputDeviceCount = 1;
-
- /* validate input hostApiSpecificStreamInfo */
- inputStreamInfo = (PaWinMmeStreamInfo*)inputParameters->hostApiSpecificStreamInfo;
- result = ValidateWinMmeSpecificStreamInfo( inputParameters, inputStreamInfo,
- &throttleProcessingThreadOnOverload,
- &inputDeviceCount );
- if( result != paNoError ) return result;
-
- inputDevices = (PaWinMmeDeviceAndChannelCount*)alloca( sizeof(PaWinMmeDeviceAndChannelCount) * inputDeviceCount );
- if( !inputDevices ) return paInsufficientMemory;
-
- result = RetrieveDevicesFromStreamParameters( hostApi, inputParameters, inputStreamInfo, inputDevices, inputDeviceCount );
- if( result != paNoError ) return result;
-
- result = ValidateInputChannelCounts( hostApi, inputDevices, inputDeviceCount );
- if( result != paNoError ) return result;
-
- hostInputSampleFormat =
- PaUtil_SelectClosestAvailableFormat( paInt16 /* native formats */, inputSampleFormat );
- }
- else
- {
- inputChannelCount = 0;
- inputSampleFormat = 0;
- suggestedInputLatency = 0.;
- inputStreamInfo = 0;
- hostInputSampleFormat = 0;
- }
-
-
- if( outputParameters )
- {
- outputChannelCount = outputParameters->channelCount;
- outputSampleFormat = outputParameters->sampleFormat;
- suggestedOutputLatency = outputParameters->suggestedLatency;
-
- outputDeviceCount = 1;
-
- /* validate output hostApiSpecificStreamInfo */
- outputStreamInfo = (PaWinMmeStreamInfo*)outputParameters->hostApiSpecificStreamInfo;
- result = ValidateWinMmeSpecificStreamInfo( outputParameters, outputStreamInfo,
- &throttleProcessingThreadOnOverload,
- &outputDeviceCount );
- if( result != paNoError ) return result;
-
- outputDevices = (PaWinMmeDeviceAndChannelCount*)alloca( sizeof(PaWinMmeDeviceAndChannelCount) * outputDeviceCount );
- if( !outputDevices ) return paInsufficientMemory;
-
- result = RetrieveDevicesFromStreamParameters( hostApi, outputParameters, outputStreamInfo, outputDevices, outputDeviceCount );
- if( result != paNoError ) return result;
-
- result = ValidateOutputChannelCounts( hostApi, outputDevices, outputDeviceCount );
- if( result != paNoError ) return result;
-
- hostOutputSampleFormat =
- PaUtil_SelectClosestAvailableFormat( paInt16 /* native formats */, outputSampleFormat );
- }
- else
- {
- outputChannelCount = 0;
- outputSampleFormat = 0;
- outputStreamInfo = 0;
- hostOutputSampleFormat = 0;
- suggestedOutputLatency = 0.;
- }
-
-
- /*
- IMPLEMENT ME:
- - alter sampleRate to a close allowable rate if possible / necessary
- */
-
-
- /* validate platform specific flags */
- if( (streamFlags & paPlatformSpecificFlags) != 0 )
- return paInvalidFlag; /* unexpected platform specific flag */
-
-
- result = CalculateBufferSettings( &framesPerHostInputBuffer, &hostInputBufferCount,
- &framesPerHostOutputBuffer, &hostOutputBufferCount,
- inputChannelCount, hostInputSampleFormat, suggestedInputLatency, inputStreamInfo,
- outputChannelCount, hostOutputSampleFormat, suggestedOutputLatency, outputStreamInfo,
- sampleRate, framesPerBuffer );
- if( result != paNoError ) goto error;
-
-
- stream = (PaWinMmeStream*)PaUtil_AllocateMemory( sizeof(PaWinMmeStream) );
- if( !stream )
- {
- result = paInsufficientMemory;
- goto error;
- }
-
- InitializeSingleDirectionHandlesAndBuffers( &stream->input );
- InitializeSingleDirectionHandlesAndBuffers( &stream->output );
-
- stream->abortEvent = 0;
- stream->processingThread = 0;
-
- stream->throttleProcessingThreadOnOverload = throttleProcessingThreadOnOverload;
-
- PaUtil_InitializeStreamRepresentation( &stream->streamRepresentation,
- ( (streamCallback)
- ? &winMmeHostApi->callbackStreamInterface
- : &winMmeHostApi->blockingStreamInterface ),
- streamCallback, userData );
- streamRepresentationIsInitialized = 1;
-
- PaUtil_InitializeCpuLoadMeasurer( &stream->cpuLoadMeasurer, sampleRate );
-
-
- if( inputParameters && outputParameters ) /* full duplex */
- {
- if( framesPerHostInputBuffer < framesPerHostOutputBuffer )
- {
- assert( (framesPerHostOutputBuffer % framesPerHostInputBuffer) == 0 ); /* CalculateBufferSettings() should guarantee this condition */
-
- framesPerBufferProcessorCall = framesPerHostInputBuffer;
- }
- else
- {
- assert( (framesPerHostInputBuffer % framesPerHostOutputBuffer) == 0 ); /* CalculateBufferSettings() should guarantee this condition */
-
- framesPerBufferProcessorCall = framesPerHostOutputBuffer;
- }
- }
- else if( inputParameters )
- {
- framesPerBufferProcessorCall = framesPerHostInputBuffer;
- }
- else if( outputParameters )
- {
- framesPerBufferProcessorCall = framesPerHostOutputBuffer;
- }
-
- stream->input.framesPerBuffer = framesPerHostInputBuffer;
- stream->output.framesPerBuffer = framesPerHostOutputBuffer;
-
- result = PaUtil_InitializeBufferProcessor( &stream->bufferProcessor,
- inputChannelCount, inputSampleFormat, hostInputSampleFormat,
- outputChannelCount, outputSampleFormat, hostOutputSampleFormat,
- sampleRate, streamFlags, framesPerBuffer,
- framesPerBufferProcessorCall, paUtilFixedHostBufferSize,
- streamCallback, userData );
- if( result != paNoError ) goto error;
-
- bufferProcessorIsInitialized = 1;
-
- stream->streamRepresentation.streamInfo.inputLatency =
- (double)(PaUtil_GetBufferProcessorInputLatency(&stream->bufferProcessor)
- +(framesPerHostInputBuffer * (hostInputBufferCount-1))) / sampleRate;
- stream->streamRepresentation.streamInfo.outputLatency =
- (double)(PaUtil_GetBufferProcessorOutputLatency(&stream->bufferProcessor)
- +(framesPerHostOutputBuffer * (hostOutputBufferCount-1))) / sampleRate;
- stream->streamRepresentation.streamInfo.sampleRate = sampleRate;
-
- stream->primeStreamUsingCallback = ( (streamFlags&paPrimeOutputBuffersUsingStreamCallback) && streamCallback ) ? 1 : 0;
-
- /* time to sleep when throttling due to >100% cpu usage.
- -a quater of a buffer's duration */
- stream->throttledSleepMsecs =
- (unsigned long)(stream->bufferProcessor.framesPerHostBuffer *
- stream->bufferProcessor.samplePeriod * .25 * 1000);
-
- stream->isStopped = 1;
- stream->isActive = 0;
-
-
- /* for maximum compatibility with multi-device multichannel drivers,
- we first open all devices, then we prepare all buffers, finally
- we start all devices ( in StartStream() ). teardown in reverse order.
- */
-
- if( inputParameters )
- {
- result = InitializeWaveHandles( winMmeHostApi, &stream->input,
- stream->bufferProcessor.bytesPerHostInputSample, sampleRate,
- inputDevices, inputDeviceCount, 1 /* isInput */ );
- if( result != paNoError ) goto error;
- }
-
- if( outputParameters )
- {
- result = InitializeWaveHandles( winMmeHostApi, &stream->output,
- stream->bufferProcessor.bytesPerHostOutputSample, sampleRate,
- outputDevices, outputDeviceCount, 0 /* isInput */ );
- if( result != paNoError ) goto error;
- }
-
- if( inputParameters )
- {
- result = InitializeWaveHeaders( &stream->input, hostInputBufferCount,
- hostInputSampleFormat, framesPerHostInputBuffer, inputDevices, 1 /* isInput */ );
- if( result != paNoError ) goto error;
- }
-
- if( outputParameters )
- {
- result = InitializeWaveHeaders( &stream->output, hostOutputBufferCount,
- hostOutputSampleFormat, framesPerHostOutputBuffer, outputDevices, 0 /* not isInput */ );
- if( result != paNoError ) goto error;
-
- stream->allBuffersDurationMs = (DWORD) (1000.0 * (framesPerHostOutputBuffer * stream->output.bufferCount) / sampleRate);
- }
- else
- {
- stream->allBuffersDurationMs = (DWORD) (1000.0 * (framesPerHostInputBuffer * stream->input.bufferCount) / sampleRate);
- }
-
-
- if( streamCallback )
- {
- /* abort event is only needed for callback streams */
- result = CreateEventWithPaError( &stream->abortEvent, NULL, TRUE, FALSE, NULL );
- if( result != paNoError ) goto error;
- }
-
- *s = (PaStream*)stream;
-
- return result;
-
-error:
-
- if( stream )
- {
- if( stream->abortEvent )
- CloseHandle( stream->abortEvent );
-
- TerminateWaveHeaders( &stream->output, 0 /* not isInput */ );
- TerminateWaveHeaders( &stream->input, 1 /* isInput */ );
-
- TerminateWaveHandles( &stream->output, 0 /* not isInput */, 1 /* currentlyProcessingAnError */ );
- TerminateWaveHandles( &stream->input, 1 /* isInput */, 1 /* currentlyProcessingAnError */ );
-
- if( bufferProcessorIsInitialized )
- PaUtil_TerminateBufferProcessor( &stream->bufferProcessor );
-
- if( streamRepresentationIsInitialized )
- PaUtil_TerminateStreamRepresentation( &stream->streamRepresentation );
-
- PaUtil_FreeMemory( stream );
- }
-
- return result;
-}
-
-
-/* return non-zero if all current buffers are done */
-static int BuffersAreDone( WAVEHDR **waveHeaders, unsigned int deviceCount, int bufferIndex )
-{
- unsigned int i;
-
- for( i=0; i < deviceCount; ++i )
- {
- if( !(waveHeaders[i][ bufferIndex ].dwFlags & WHDR_DONE) )
- {
- return 0;
- }
- }
-
- return 1;
-}
-
-static int CurrentInputBuffersAreDone( PaWinMmeStream *stream )
-{
- return BuffersAreDone( stream->input.waveHeaders, stream->input.deviceCount, stream->input.currentBufferIndex );
-}
-
-static int CurrentOutputBuffersAreDone( PaWinMmeStream *stream )
-{
- return BuffersAreDone( stream->output.waveHeaders, stream->output.deviceCount, stream->output.currentBufferIndex );
-}
-
-
-/* return non-zero if any buffers are queued */
-static int NoBuffersAreQueued( PaWinMmeSingleDirectionHandlesAndBuffers *handlesAndBuffers )
-{
- unsigned int i, j;
-
- if( handlesAndBuffers->waveHandles )
- {
- for( i=0; i < handlesAndBuffers->bufferCount; ++i )
- {
- for( j=0; j < handlesAndBuffers->deviceCount; ++j )
- {
- if( !( handlesAndBuffers->waveHeaders[ j ][ i ].dwFlags & WHDR_DONE) )
- {
- return 0;
- }
- }
- }
- }
-
- return 1;
-}
-
-
-#define PA_CIRCULAR_INCREMENT_( current, max )\
- ( (((current) + 1) >= (max)) ? (0) : (current+1) )
-
-#define PA_CIRCULAR_DECREMENT_( current, max )\
- ( ((current) == 0) ? ((max)-1) : (current-1) )
-
-
-static signed long GetAvailableFrames( PaWinMmeSingleDirectionHandlesAndBuffers *handlesAndBuffers )
-{
- signed long result = 0;
- unsigned int i;
-
- if( BuffersAreDone( handlesAndBuffers->waveHeaders, handlesAndBuffers->deviceCount, handlesAndBuffers->currentBufferIndex ) )
- {
- /* we could calculate the following in O(1) if we kept track of the
- last done buffer */
- result = handlesAndBuffers->framesPerBuffer - handlesAndBuffers->framesUsedInCurrentBuffer;
-
- i = PA_CIRCULAR_INCREMENT_( handlesAndBuffers->currentBufferIndex, handlesAndBuffers->bufferCount );
- while( i != handlesAndBuffers->currentBufferIndex )
- {
- if( BuffersAreDone( handlesAndBuffers->waveHeaders, handlesAndBuffers->deviceCount, i ) )
- {
- result += handlesAndBuffers->framesPerBuffer;
- i = PA_CIRCULAR_INCREMENT_( i, handlesAndBuffers->bufferCount );
- }
- else
- break;
- }
- }
-
- return result;
-}
-
-
-static PaError AdvanceToNextInputBuffer( PaWinMmeStream *stream )
-{
- PaError result = paNoError;
- MMRESULT mmresult;
- unsigned int i;
-
- for( i=0; i < stream->input.deviceCount; ++i )
- {
- mmresult = waveInAddBuffer( ((HWAVEIN*)stream->input.waveHandles)[i],
- &stream->input.waveHeaders[i][ stream->input.currentBufferIndex ],
- sizeof(WAVEHDR) );
- if( mmresult != MMSYSERR_NOERROR )
- {
- result = paUnanticipatedHostError;
- PA_MME_SET_LAST_WAVEIN_ERROR( mmresult );
- }
- }
-
- stream->input.currentBufferIndex =
- PA_CIRCULAR_INCREMENT_( stream->input.currentBufferIndex, stream->input.bufferCount );
-
- stream->input.framesUsedInCurrentBuffer = 0;
-
- return result;
-}
-
-
-static PaError AdvanceToNextOutputBuffer( PaWinMmeStream *stream )
-{
- PaError result = paNoError;
- MMRESULT mmresult;
- unsigned int i;
-
- for( i=0; i < stream->output.deviceCount; ++i )
- {
- mmresult = waveOutWrite( ((HWAVEOUT*)stream->output.waveHandles)[i],
- &stream->output.waveHeaders[i][ stream->output.currentBufferIndex ],
- sizeof(WAVEHDR) );
- if( mmresult != MMSYSERR_NOERROR )
- {
- result = paUnanticipatedHostError;
- PA_MME_SET_LAST_WAVEOUT_ERROR( mmresult );
- }
- }
-
- stream->output.currentBufferIndex =
- PA_CIRCULAR_INCREMENT_( stream->output.currentBufferIndex, stream->output.bufferCount );
-
- stream->output.framesUsedInCurrentBuffer = 0;
-
- return result;
-}
-
-
-/* requeue all but the most recent input with the driver. Used for catching
- up after a total input buffer underrun */
-static PaError CatchUpInputBuffers( PaWinMmeStream *stream )
-{
- PaError result = paNoError;
- unsigned int i;
-
- for( i=0; i < stream->input.bufferCount - 1; ++i )
- {
- result = AdvanceToNextInputBuffer( stream );
- if( result != paNoError )
- break;
- }
-
- return result;
-}
-
-
-/* take the most recent output and duplicate it to all other output buffers
- and requeue them. Used for catching up after a total output buffer underrun.
-*/
-static PaError CatchUpOutputBuffers( PaWinMmeStream *stream )
-{
- PaError result = paNoError;
- unsigned int i, j;
- unsigned int previousBufferIndex =
- PA_CIRCULAR_DECREMENT_( stream->output.currentBufferIndex, stream->output.bufferCount );
-
- for( i=0; i < stream->output.bufferCount - 1; ++i )
- {
- for( j=0; j < stream->output.deviceCount; ++j )
- {
- if( stream->output.waveHeaders[j][ stream->output.currentBufferIndex ].lpData
- != stream->output.waveHeaders[j][ previousBufferIndex ].lpData )
- {
- CopyMemory( stream->output.waveHeaders[j][ stream->output.currentBufferIndex ].lpData,
- stream->output.waveHeaders[j][ previousBufferIndex ].lpData,
- stream->output.waveHeaders[j][ stream->output.currentBufferIndex ].dwBufferLength );
- }
- }
-
- result = AdvanceToNextOutputBuffer( stream );
- if( result != paNoError )
- break;
- }
-
- return result;
-}
-
-
-static DWORD WINAPI ProcessingThreadProc( void *pArg )
-{
- PaWinMmeStream *stream = (PaWinMmeStream *)pArg;
- HANDLE events[3];
- int eventCount = 0;
- DWORD result = paNoError;
- DWORD waitResult;
- DWORD timeout = (unsigned long)(stream->allBuffersDurationMs * 0.5);
- int hostBuffersAvailable;
- signed int hostInputBufferIndex, hostOutputBufferIndex;
- PaStreamCallbackFlags statusFlags;
- int callbackResult;
- int done = 0;
- unsigned int channel, i;
- unsigned long framesProcessed;
-
- /* prepare event array for call to WaitForMultipleObjects() */
- if( stream->input.bufferEvent )
- events[eventCount++] = stream->input.bufferEvent;
- if( stream->output.bufferEvent )
- events[eventCount++] = stream->output.bufferEvent;
- events[eventCount++] = stream->abortEvent;
-
- statusFlags = 0; /** @todo support paInputUnderflow, paOutputOverflow and paNeverDropInput */
-
- /* loop until something causes us to stop */
- do{
- /* wait for MME to signal that a buffer is available, or for
- the PA abort event to be signaled.
-
- When this indicates that one or more buffers are available
- NoBuffersAreQueued() and Current*BuffersAreDone are used below to
- poll for additional done buffers. NoBuffersAreQueued() will fail
- to identify an underrun/overflow if the driver doesn't mark all done
- buffers prior to signalling the event. Some drivers do this
- (eg RME Digi96, and others don't eg VIA PC 97 input). This isn't a
- huge problem, it just means that we won't always be able to detect
- underflow/overflow.
- */
- waitResult = WaitForMultipleObjects( eventCount, events, FALSE /* wait all = FALSE */, timeout );
- if( waitResult == WAIT_FAILED )
- {
- result = paUnanticipatedHostError;
- /** @todo FIXME/REVIEW: can't return host error info from an asyncronous thread */
- done = 1;
- }
- else if( waitResult == WAIT_TIMEOUT )
- {
- /* if a timeout is encountered, continue */
- }
-
- if( stream->abortProcessing )
- {
- /* Pa_AbortStream() has been called, stop processing immediately */
- done = 1;
- }
- else if( stream->stopProcessing )
- {
- /* Pa_StopStream() has been called or the user callback returned
- non-zero, processing will continue until all output buffers
- are marked as done. The stream will stop immediately if it
- is input-only.
- */
-
- if( PA_IS_OUTPUT_STREAM_(stream) )
- {
- if( NoBuffersAreQueued( &stream->output ) )
- done = 1; /* Will cause thread to return. */
- }
- else
- {
- /* input only stream */
- done = 1; /* Will cause thread to return. */
- }
- }
- else
- {
- hostBuffersAvailable = 1;
-
- /* process all available host buffers */
- do
- {
- hostInputBufferIndex = -1;
- hostOutputBufferIndex = -1;
-
- if( PA_IS_INPUT_STREAM_(stream) )
- {
- if( CurrentInputBuffersAreDone( stream ) )
- {
- if( NoBuffersAreQueued( &stream->input ) )
- {
- /** @todo
- if all of the other buffers are also ready then
- we discard all but the most recent. This is an
- input buffer overflow. FIXME: these buffers should
- be passed to the callback in a paNeverDropInput
- stream.
-
- note that it is also possible for an input overflow
- to happen while the callback is processing a buffer.
- that is handled further down.
- */
- result = CatchUpInputBuffers( stream );
- if( result != paNoError )
- done = 1;
-
- statusFlags |= paInputOverflow;
- }
-
- hostInputBufferIndex = stream->input.currentBufferIndex;
- }
- }
-
- if( PA_IS_OUTPUT_STREAM_(stream) )
- {
- if( CurrentOutputBuffersAreDone( stream ) )
- {
- /* ok, we have an output buffer */
-
- if( NoBuffersAreQueued( &stream->output ) )
- {
- /*
- if all of the other buffers are also ready, catch up by copying
- the most recently generated buffer into all but one of the output
- buffers.
-
- note that this catch up code only handles the case where all
- buffers have been played out due to this thread not having
- woken up at all. a more common case occurs when this thread
- is woken up, processes one buffer, but takes too long, and as
- a result all the other buffers have become un-queued. that
- case is handled further down.
- */
-
- result = CatchUpOutputBuffers( stream );
- if( result != paNoError )
- done = 1;
-
- statusFlags |= paOutputUnderflow;
- }
-
- hostOutputBufferIndex = stream->output.currentBufferIndex;
- }
- }
-
-
- if( (PA_IS_FULL_DUPLEX_STREAM_(stream) && hostInputBufferIndex != -1 && hostOutputBufferIndex != -1) ||
- (PA_IS_HALF_DUPLEX_STREAM_(stream) && ( hostInputBufferIndex != -1 || hostOutputBufferIndex != -1 ) ) )
- {
- PaStreamCallbackTimeInfo timeInfo = {0,0,0}; /** @todo implement inputBufferAdcTime */
-
-
- if( PA_IS_OUTPUT_STREAM_(stream) )
- {
- /* set timeInfo.currentTime and calculate timeInfo.outputBufferDacTime
- from the current wave out position */
- MMTIME mmtime;
- double timeBeforeGetPosition, timeAfterGetPosition;
- double time;
- long framesInBufferRing;
- long writePosition;
- long playbackPosition;
- HWAVEOUT firstWaveOutDevice = ((HWAVEOUT*)stream->output.waveHandles)[0];
-
- mmtime.wType = TIME_SAMPLES;
- timeBeforeGetPosition = PaUtil_GetTime();
- waveOutGetPosition( firstWaveOutDevice, &mmtime, sizeof(MMTIME) );
- timeAfterGetPosition = PaUtil_GetTime();
-
- timeInfo.currentTime = timeAfterGetPosition;
-
- /* approximate time at which wave out position was measured
- as half way between timeBeforeGetPosition and timeAfterGetPosition */
- time = timeBeforeGetPosition + (timeAfterGetPosition - timeBeforeGetPosition) * .5;
-
- framesInBufferRing = stream->output.bufferCount * stream->bufferProcessor.framesPerHostBuffer;
- playbackPosition = mmtime.u.sample % framesInBufferRing;
-
- writePosition = stream->output.currentBufferIndex * stream->bufferProcessor.framesPerHostBuffer
- + stream->output.framesUsedInCurrentBuffer;
-
- if( playbackPosition >= writePosition ){
- timeInfo.outputBufferDacTime =
- time + ((double)( writePosition + (framesInBufferRing - playbackPosition) ) * stream->bufferProcessor.samplePeriod );
- }else{
- timeInfo.outputBufferDacTime =
- time + ((double)( writePosition - playbackPosition ) * stream->bufferProcessor.samplePeriod );
- }
- }
-
-
- PaUtil_BeginCpuLoadMeasurement( &stream->cpuLoadMeasurer );
-
- PaUtil_BeginBufferProcessing( &stream->bufferProcessor, &timeInfo, statusFlags );
-
- /* reset status flags once they have been passed to the buffer processor */
- statusFlags = 0;
-
- if( PA_IS_INPUT_STREAM_(stream) )
- {
- PaUtil_SetInputFrameCount( &stream->bufferProcessor, 0 /* default to host buffer size */ );
-
- channel = 0;
- for( i=0; i<stream->input.deviceCount; ++i )
- {
- /* we have stored the number of channels in the buffer in dwUser */
- int channelCount = stream->input.waveHeaders[i][ hostInputBufferIndex ].dwUser;
-
- PaUtil_SetInterleavedInputChannels( &stream->bufferProcessor, channel,
- stream->input.waveHeaders[i][ hostInputBufferIndex ].lpData +
- stream->input.framesUsedInCurrentBuffer * channelCount *
- stream->bufferProcessor.bytesPerHostInputSample,
- channelCount );
-
-
- channel += channelCount;
- }
- }
-
- if( PA_IS_OUTPUT_STREAM_(stream) )
- {
- PaUtil_SetOutputFrameCount( &stream->bufferProcessor, 0 /* default to host buffer size */ );
-
- channel = 0;
- for( i=0; i<stream->output.deviceCount; ++i )
- {
- /* we have stored the number of channels in the buffer in dwUser */
- int channelCount = stream->output.waveHeaders[i][ hostOutputBufferIndex ].dwUser;
-
- PaUtil_SetInterleavedOutputChannels( &stream->bufferProcessor, channel,
- stream->output.waveHeaders[i][ hostOutputBufferIndex ].lpData +
- stream->output.framesUsedInCurrentBuffer * channelCount *
- stream->bufferProcessor.bytesPerHostOutputSample,
- channelCount );
-
- channel += channelCount;
- }
- }
-
- callbackResult = paContinue;
- framesProcessed = PaUtil_EndBufferProcessing( &stream->bufferProcessor, &callbackResult );
-
- stream->input.framesUsedInCurrentBuffer += framesProcessed;
- stream->output.framesUsedInCurrentBuffer += framesProcessed;
-
- PaUtil_EndCpuLoadMeasurement( &stream->cpuLoadMeasurer, framesProcessed );
-
- if( callbackResult == paContinue )
- {
- /* nothing special to do */
- }
- else if( callbackResult == paAbort )
- {
- stream->abortProcessing = 1;
- done = 1;
- /** @todo FIXME: should probably reset the output device immediately once the callback returns paAbort */
- result = paNoError;
- }
- else
- {
- /* User callback has asked us to stop with paComplete or other non-zero value */
- stream->stopProcessing = 1; /* stop once currently queued audio has finished */
- result = paNoError;
- }
-
-
- if( PA_IS_INPUT_STREAM_(stream)
- && stream->stopProcessing == 0 && stream->abortProcessing == 0
- && stream->input.framesUsedInCurrentBuffer == stream->input.framesPerBuffer )
- {
- if( NoBuffersAreQueued( &stream->input ) )
- {
- /** @todo need to handle PaNeverDropInput here where necessary */
- result = CatchUpInputBuffers( stream );
- if( result != paNoError )
- done = 1;
-
- statusFlags |= paInputOverflow;
- }
-
- result = AdvanceToNextInputBuffer( stream );
- if( result != paNoError )
- done = 1;
- }
-
-
- if( PA_IS_OUTPUT_STREAM_(stream) && !stream->abortProcessing )
- {
- if( stream->stopProcessing &&
- stream->output.framesUsedInCurrentBuffer < stream->output.framesPerBuffer )
- {
- /* zero remaining samples in output output buffer and flush */
-
- stream->output.framesUsedInCurrentBuffer += PaUtil_ZeroOutput( &stream->bufferProcessor,
- stream->output.framesPerBuffer - stream->output.framesUsedInCurrentBuffer );
-
- /* we send the entire buffer to the output devices, but we could
- just send a partial buffer, rather than zeroing the unused
- samples.
- */
- }
-
- if( stream->output.framesUsedInCurrentBuffer == stream->output.framesPerBuffer )
- {
- /* check for underflow before enquing the just-generated buffer,
- but recover from underflow after enquing it. This ensures
- that the most recent audio segment is repeated */
- int outputUnderflow = NoBuffersAreQueued( &stream->output );
-
- result = AdvanceToNextOutputBuffer( stream );
- if( result != paNoError )
- done = 1;
-
- if( outputUnderflow && !done && !stream->stopProcessing )
- {
- /* Recover from underflow in the case where the
- underflow occured while processing the buffer
- we just finished */
-
- result = CatchUpOutputBuffers( stream );
- if( result != paNoError )
- done = 1;
-
- statusFlags |= paOutputUnderflow;
- }
- }
- }
-
- if( stream->throttleProcessingThreadOnOverload != 0 )
- {
- if( stream->stopProcessing || stream->abortProcessing )
- {
- if( stream->processingThreadPriority != stream->highThreadPriority )
- {
- SetThreadPriority( stream->processingThread, stream->highThreadPriority );
- stream->processingThreadPriority = stream->highThreadPriority;
- }
- }
- else if( PaUtil_GetCpuLoad( &stream->cpuLoadMeasurer ) > 1. )
- {
- if( stream->processingThreadPriority != stream->throttledThreadPriority )
- {
- SetThreadPriority( stream->processingThread, stream->throttledThreadPriority );
- stream->processingThreadPriority = stream->throttledThreadPriority;
- }
-
- /* sleep to give other processes a go */
- Sleep( stream->throttledSleepMsecs );
- }
- else
- {
- if( stream->processingThreadPriority != stream->highThreadPriority )
- {
- SetThreadPriority( stream->processingThread, stream->highThreadPriority );
- stream->processingThreadPriority = stream->highThreadPriority;
- }
- }
- }
- }
- else
- {
- hostBuffersAvailable = 0;
- }
- }
- while( hostBuffersAvailable &&
- stream->stopProcessing == 0 &&
- stream->abortProcessing == 0 &&
- !done );
- }
- }
- while( !done );
-
- stream->isActive = 0;
-
- if( stream->streamRepresentation.streamFinishedCallback != 0 )
- stream->streamRepresentation.streamFinishedCallback( stream->streamRepresentation.userData );
-
- PaUtil_ResetCpuLoadMeasurer( &stream->cpuLoadMeasurer );
-
- return result;
-}
-
-
-/*
- When CloseStream() is called, the multi-api layer ensures that
- the stream has already been stopped or aborted.
-*/
-static PaError CloseStream( PaStream* s )
-{
- PaError result;
- PaWinMmeStream *stream = (PaWinMmeStream*)s;
-
- result = CloseHandleWithPaError( stream->abortEvent );
- if( result != paNoError ) goto error;
-
- TerminateWaveHeaders( &stream->output, 0 /* not isInput */ );
- TerminateWaveHeaders( &stream->input, 1 /* isInput */ );
-
- TerminateWaveHandles( &stream->output, 0 /* not isInput */, 0 /* not currentlyProcessingAnError */ );
- TerminateWaveHandles( &stream->input, 1 /* isInput */, 0 /* not currentlyProcessingAnError */ );
-
- PaUtil_TerminateBufferProcessor( &stream->bufferProcessor );
- PaUtil_TerminateStreamRepresentation( &stream->streamRepresentation );
- PaUtil_FreeMemory( stream );
-
-error:
- /** @todo REVIEW: what is the best way to clean up a stream if an error is detected? */
- return result;
-}
-
-
-static PaError StartStream( PaStream *s )
-{
- PaError result;
- PaWinMmeStream *stream = (PaWinMmeStream*)s;
- MMRESULT mmresult;
- unsigned int i, j;
- int callbackResult;
- unsigned int channel;
- unsigned long framesProcessed;
- PaStreamCallbackTimeInfo timeInfo = {0,0,0}; /** @todo implement this for stream priming */
-
- PaUtil_ResetBufferProcessor( &stream->bufferProcessor );
-
- if( PA_IS_INPUT_STREAM_(stream) )
- {
- for( i=0; i<stream->input.bufferCount; ++i )
- {
- for( j=0; j<stream->input.deviceCount; ++j )
- {
- mmresult = waveInAddBuffer( ((HWAVEIN*)stream->input.waveHandles)[j], &stream->input.waveHeaders[j][i], sizeof(WAVEHDR) );
- if( mmresult != MMSYSERR_NOERROR )
- {
- result = paUnanticipatedHostError;
- PA_MME_SET_LAST_WAVEIN_ERROR( mmresult );
- goto error;
- }
- }
- }
- stream->input.currentBufferIndex = 0;
- stream->input.framesUsedInCurrentBuffer = 0;
- }
-
- if( PA_IS_OUTPUT_STREAM_(stream) )
- {
- for( i=0; i<stream->output.deviceCount; ++i )
- {
- if( (mmresult = waveOutPause( ((HWAVEOUT*)stream->output.waveHandles)[i] )) != MMSYSERR_NOERROR )
- {
- result = paUnanticipatedHostError;
- PA_MME_SET_LAST_WAVEOUT_ERROR( mmresult );
- goto error;
- }
- }
-
- for( i=0; i<stream->output.bufferCount; ++i )
- {
- if( stream->primeStreamUsingCallback )
- {
-
- stream->output.framesUsedInCurrentBuffer = 0;
- do{
-
- PaUtil_BeginBufferProcessing( &stream->bufferProcessor,
- &timeInfo,
- paPrimingOutput | ((stream->input.bufferCount > 0 ) ? paInputUnderflow : 0));
-
- if( stream->input.bufferCount > 0 )
- PaUtil_SetNoInput( &stream->bufferProcessor );
-
- PaUtil_SetOutputFrameCount( &stream->bufferProcessor, 0 /* default to host buffer size */ );
-
- channel = 0;
- for( j=0; j<stream->output.deviceCount; ++j )
- {
- /* we have stored the number of channels in the buffer in dwUser */
- int channelCount = stream->output.waveHeaders[j][i].dwUser;
-
- PaUtil_SetInterleavedOutputChannels( &stream->bufferProcessor, channel,
- stream->output.waveHeaders[j][i].lpData +
- stream->output.framesUsedInCurrentBuffer * channelCount *
- stream->bufferProcessor.bytesPerHostOutputSample,
- channelCount );
-
- /* we have stored the number of channels in the buffer in dwUser */
- channel += channelCount;
- }
-
- callbackResult = paContinue;
- framesProcessed = PaUtil_EndBufferProcessing( &stream->bufferProcessor, &callbackResult );
- stream->output.framesUsedInCurrentBuffer += framesProcessed;
-
- if( callbackResult != paContinue )
- {
- /** @todo fix this, what do we do if callback result is non-zero during stream
- priming?
-
- for complete: play out primed waveHeaders as usual
- for abort: clean up immediately.
- */
- }
-
- }while( stream->output.framesUsedInCurrentBuffer != stream->output.framesPerBuffer );
-
- }
- else
- {
- for( j=0; j<stream->output.deviceCount; ++j )
- {
- ZeroMemory( stream->output.waveHeaders[j][i].lpData, stream->output.waveHeaders[j][i].dwBufferLength );
- }
- }
-
- /* we queue all channels of a single buffer frame (accross all
- devices, because some multidevice multichannel drivers work
- better this way */
- for( j=0; j<stream->output.deviceCount; ++j )
- {
- mmresult = waveOutWrite( ((HWAVEOUT*)stream->output.waveHandles)[j], &stream->output.waveHeaders[j][i], sizeof(WAVEHDR) );
- if( mmresult != MMSYSERR_NOERROR )
- {
- result = paUnanticipatedHostError;
- PA_MME_SET_LAST_WAVEOUT_ERROR( mmresult );
- goto error;
- }
- }
- }
- stream->output.currentBufferIndex = 0;
- stream->output.framesUsedInCurrentBuffer = 0;
- }
-
-
- stream->isStopped = 0;
- stream->isActive = 1;
- stream->stopProcessing = 0;
- stream->abortProcessing = 0;
-
- result = ResetEventWithPaError( stream->input.bufferEvent );
- if( result != paNoError ) goto error;
-
- result = ResetEventWithPaError( stream->output.bufferEvent );
- if( result != paNoError ) goto error;
-
-
- if( stream->streamRepresentation.streamCallback )
- {
- /* callback stream */
-
- result = ResetEventWithPaError( stream->abortEvent );
- if( result != paNoError ) goto error;
-
- /* Create thread that waits for audio buffers to be ready for processing. */
- stream->processingThread = CreateThread( 0, 0, ProcessingThreadProc, stream, 0, &stream->processingThreadId );
- if( !stream->processingThread )
- {
- result = paUnanticipatedHostError;
- PA_MME_SET_LAST_SYSTEM_ERROR( GetLastError() );
- goto error;
- }
-
- /** @todo could have mme specific stream parameters to allow the user
- to set the callback thread priorities */
- stream->highThreadPriority = THREAD_PRIORITY_TIME_CRITICAL;
- stream->throttledThreadPriority = THREAD_PRIORITY_NORMAL;
-
- if( !SetThreadPriority( stream->processingThread, stream->highThreadPriority ) )
- {
- result = paUnanticipatedHostError;
- PA_MME_SET_LAST_SYSTEM_ERROR( GetLastError() );
- goto error;
- }
- stream->processingThreadPriority = stream->highThreadPriority;
- }
- else
- {
- /* blocking read/write stream */
-
- }
-
- if( PA_IS_INPUT_STREAM_(stream) )
- {
- for( i=0; i < stream->input.deviceCount; ++i )
- {
- mmresult = waveInStart( ((HWAVEIN*)stream->input.waveHandles)[i] );
- PA_DEBUG(("Pa_StartStream: waveInStart returned = 0x%X.\n", mmresult));
- if( mmresult != MMSYSERR_NOERROR )
- {
- result = paUnanticipatedHostError;
- PA_MME_SET_LAST_WAVEIN_ERROR( mmresult );
- goto error;
- }
- }
- }
-
- if( PA_IS_OUTPUT_STREAM_(stream) )
- {
- for( i=0; i < stream->output.deviceCount; ++i )
- {
- if( (mmresult = waveOutRestart( ((HWAVEOUT*)stream->output.waveHandles)[i] )) != MMSYSERR_NOERROR )
- {
- result = paUnanticipatedHostError;
- PA_MME_SET_LAST_WAVEOUT_ERROR( mmresult );
- goto error;
- }
- }
- }
-
- return result;
-
-error:
- /** @todo FIXME: implement recovery as best we can
- This should involve rolling back to a state as-if this function had never been called
- */
- return result;
-}
-
-
-static PaError StopStream( PaStream *s )
-{
- PaError result = paNoError;
- PaWinMmeStream *stream = (PaWinMmeStream*)s;
- int timeout;
- DWORD waitResult;
- MMRESULT mmresult;
- signed int hostOutputBufferIndex;
- unsigned int channel, waitCount, i;
-
- /** @todo
- REVIEW: the error checking in this function needs review. the basic
- idea is to return from this function in a known state - for example
- there is no point avoiding calling waveInReset just because
- the thread times out.
- */
-
- if( stream->processingThread )
- {
- /* callback stream */
-
- /* Tell processing thread to stop generating more data and to let current data play out. */
- stream->stopProcessing = 1;
-
- /* Calculate timeOut longer than longest time it could take to return all buffers. */
- timeout = (int)(stream->allBuffersDurationMs * 1.5);
- if( timeout < PA_MME_MIN_TIMEOUT_MSEC_ )
- timeout = PA_MME_MIN_TIMEOUT_MSEC_;
-
- PA_DEBUG(("WinMME StopStream: waiting for background thread.\n"));
-
- waitResult = WaitForSingleObject( stream->processingThread, timeout );
- if( waitResult == WAIT_TIMEOUT )
- {
- /* try to abort */
- stream->abortProcessing = 1;
- SetEvent( stream->abortEvent );
- waitResult = WaitForSingleObject( stream->processingThread, timeout );
- if( waitResult == WAIT_TIMEOUT )
- {
- PA_DEBUG(("WinMME StopStream: timed out while waiting for background thread to finish.\n"));
- result = paTimedOut;
- }
- }
-
- CloseHandle( stream->processingThread );
- stream->processingThread = NULL;
- }
- else
- {
- /* blocking read / write stream */
-
- if( PA_IS_OUTPUT_STREAM_(stream) )
- {
- if( stream->output.framesUsedInCurrentBuffer > 0 )
- {
- /* there are still unqueued frames in the current buffer, so flush them */
-
- hostOutputBufferIndex = stream->output.currentBufferIndex;
-
- PaUtil_SetOutputFrameCount( &stream->bufferProcessor,
- stream->output.framesPerBuffer - stream->output.framesUsedInCurrentBuffer );
-
- channel = 0;
- for( i=0; i<stream->output.deviceCount; ++i )
- {
- /* we have stored the number of channels in the buffer in dwUser */
- int channelCount = stream->output.waveHeaders[i][ hostOutputBufferIndex ].dwUser;
-
- PaUtil_SetInterleavedOutputChannels( &stream->bufferProcessor, channel,
- stream->output.waveHeaders[i][ hostOutputBufferIndex ].lpData +
- stream->output.framesUsedInCurrentBuffer * channelCount *
- stream->bufferProcessor.bytesPerHostOutputSample,
- channelCount );
-
- channel += channelCount;
- }
-
- PaUtil_ZeroOutput( &stream->bufferProcessor,
- stream->output.framesPerBuffer - stream->output.framesUsedInCurrentBuffer );
-
- /* we send the entire buffer to the output devices, but we could
- just send a partial buffer, rather than zeroing the unused
- samples.
- */
- AdvanceToNextOutputBuffer( stream );
- }
-
-
- timeout = (stream->allBuffersDurationMs / stream->output.bufferCount) + 1;
- if( timeout < PA_MME_MIN_TIMEOUT_MSEC_ )
- timeout = PA_MME_MIN_TIMEOUT_MSEC_;
-
- waitCount = 0;
- while( !NoBuffersAreQueued( &stream->output ) && waitCount <= stream->output.bufferCount )
- {
- /* wait for MME to signal that a buffer is available */
- waitResult = WaitForSingleObject( stream->output.bufferEvent, timeout );
- if( waitResult == WAIT_FAILED )
- {
- break;
- }
- else if( waitResult == WAIT_TIMEOUT )
- {
- /* keep waiting */
- }
-
- ++waitCount;
- }
- }
- }
-
- if( PA_IS_OUTPUT_STREAM_(stream) )
- {
- for( i =0; i < stream->output.deviceCount; ++i )
- {
- mmresult = waveOutReset( ((HWAVEOUT*)stream->output.waveHandles)[i] );
- if( mmresult != MMSYSERR_NOERROR )
- {
- result = paUnanticipatedHostError;
- PA_MME_SET_LAST_WAVEOUT_ERROR( mmresult );
- }
- }
- }
-
- if( PA_IS_INPUT_STREAM_(stream) )
- {
- for( i=0; i < stream->input.deviceCount; ++i )
- {
- mmresult = waveInReset( ((HWAVEIN*)stream->input.waveHandles)[i] );
- if( mmresult != MMSYSERR_NOERROR )
- {
- result = paUnanticipatedHostError;
- PA_MME_SET_LAST_WAVEIN_ERROR( mmresult );
- }
- }
- }
-
- stream->isStopped = 1;
- stream->isActive = 0;
-
- return result;
-}
-
-
-static PaError AbortStream( PaStream *s )
-{
- PaError result = paNoError;
- PaWinMmeStream *stream = (PaWinMmeStream*)s;
- int timeout;
- DWORD waitResult;
- MMRESULT mmresult;
- unsigned int i;
-
- /** @todo
- REVIEW: the error checking in this function needs review. the basic
- idea is to return from this function in a known state - for example
- there is no point avoiding calling waveInReset just because
- the thread times out.
- */
-
- if( stream->processingThread )
- {
- /* callback stream */
-
- /* Tell processing thread to abort immediately */
- stream->abortProcessing = 1;
- SetEvent( stream->abortEvent );
- }
-
-
- if( PA_IS_OUTPUT_STREAM_(stream) )
- {
- for( i =0; i < stream->output.deviceCount; ++i )
- {
- mmresult = waveOutReset( ((HWAVEOUT*)stream->output.waveHandles)[i] );
- if( mmresult != MMSYSERR_NOERROR )
- {
- PA_MME_SET_LAST_WAVEOUT_ERROR( mmresult );
- return paUnanticipatedHostError;
- }
- }
- }
-
- if( PA_IS_INPUT_STREAM_(stream) )
- {
- for( i=0; i < stream->input.deviceCount; ++i )
- {
- mmresult = waveInReset( ((HWAVEIN*)stream->input.waveHandles)[i] );
- if( mmresult != MMSYSERR_NOERROR )
- {
- PA_MME_SET_LAST_WAVEIN_ERROR( mmresult );
- return paUnanticipatedHostError;
- }
- }
- }
-
-
- if( stream->processingThread )
- {
- /* callback stream */
-
- PA_DEBUG(("WinMME AbortStream: waiting for background thread.\n"));
-
- /* Calculate timeOut longer than longest time it could take to return all buffers. */
- timeout = (int)(stream->allBuffersDurationMs * 1.5);
- if( timeout < PA_MME_MIN_TIMEOUT_MSEC_ )
- timeout = PA_MME_MIN_TIMEOUT_MSEC_;
-
- waitResult = WaitForSingleObject( stream->processingThread, timeout );
- if( waitResult == WAIT_TIMEOUT )
- {
- PA_DEBUG(("WinMME AbortStream: timed out while waiting for background thread to finish.\n"));
- return paTimedOut;
- }
-
- CloseHandle( stream->processingThread );
- stream->processingThread = NULL;
- }
-
- stream->isStopped = 1;
- stream->isActive = 0;
-
- return result;
-}
-
-
-static PaError IsStreamStopped( PaStream *s )
-{
- PaWinMmeStream *stream = (PaWinMmeStream*)s;
-
- return stream->isStopped;
-}
-
-
-static PaError IsStreamActive( PaStream *s )
-{
- PaWinMmeStream *stream = (PaWinMmeStream*)s;
-
- return stream->isActive;
-}
-
-
-static PaTime GetStreamTime( PaStream *s )
-{
- (void) s; /* unused parameter */
-
- return PaUtil_GetTime();
-}
-
-
-static double GetStreamCpuLoad( PaStream* s )
-{
- PaWinMmeStream *stream = (PaWinMmeStream*)s;
-
- return PaUtil_GetCpuLoad( &stream->cpuLoadMeasurer );
-}
-
-
-/*
- As separate stream interfaces are used for blocking and callback
- streams, the following functions can be guaranteed to only be called
- for blocking streams.
-*/
-
-static PaError ReadStream( PaStream* s,
- void *buffer,
- unsigned long frames )
-{
- PaError result = paNoError;
- PaWinMmeStream *stream = (PaWinMmeStream*)s;
- void *userBuffer;
- unsigned long framesRead = 0;
- unsigned long framesProcessed;
- signed int hostInputBufferIndex;
- DWORD waitResult;
- DWORD timeout = (unsigned long)(stream->allBuffersDurationMs * 0.5);
- unsigned int channel, i;
-
- if( PA_IS_INPUT_STREAM_(stream) )
- {
- /* make a local copy of the user buffer pointer(s). this is necessary
- because PaUtil_CopyInput() advances these pointers every time
- it is called.
- */
- if( stream->bufferProcessor.userInputIsInterleaved )
- {
- userBuffer = buffer;
- }
- else
- {
- userBuffer = alloca( sizeof(void*) * stream->bufferProcessor.inputChannelCount );
- if( !userBuffer )
- return paInsufficientMemory;
- for( i = 0; i<stream->bufferProcessor.inputChannelCount; ++i )
- ((void**)userBuffer)[i] = ((void**)buffer)[i];
- }
-
- do{
- if( CurrentInputBuffersAreDone( stream ) )
- {
- if( NoBuffersAreQueued( &stream->input ) )
- {
- /** @todo REVIEW: consider what to do if the input overflows.
- do we requeue all of the buffers? should we be running
- a thread to make sure they are always queued? */
-
- result = paInputOverflowed;
- }
-
- hostInputBufferIndex = stream->input.currentBufferIndex;
-
- PaUtil_SetInputFrameCount( &stream->bufferProcessor,
- stream->input.framesPerBuffer - stream->input.framesUsedInCurrentBuffer );
-
- channel = 0;
- for( i=0; i<stream->input.deviceCount; ++i )
- {
- /* we have stored the number of channels in the buffer in dwUser */
- int channelCount = stream->input.waveHeaders[i][ hostInputBufferIndex ].dwUser;
-
- PaUtil_SetInterleavedInputChannels( &stream->bufferProcessor, channel,
- stream->input.waveHeaders[i][ hostInputBufferIndex ].lpData +
- stream->input.framesUsedInCurrentBuffer * channelCount *
- stream->bufferProcessor.bytesPerHostInputSample,
- channelCount );
-
- channel += channelCount;
- }
-
- framesProcessed = PaUtil_CopyInput( &stream->bufferProcessor, &userBuffer, frames - framesRead );
-
- stream->input.framesUsedInCurrentBuffer += framesProcessed;
- if( stream->input.framesUsedInCurrentBuffer == stream->input.framesPerBuffer )
- {
- result = AdvanceToNextInputBuffer( stream );
- if( result != paNoError )
- break;
- }
-
- framesRead += framesProcessed;
-
- }else{
- /* wait for MME to signal that a buffer is available */
- waitResult = WaitForSingleObject( stream->input.bufferEvent, timeout );
- if( waitResult == WAIT_FAILED )
- {
- result = paUnanticipatedHostError;
- break;
- }
- else if( waitResult == WAIT_TIMEOUT )
- {
- /* if a timeout is encountered, continue,
- perhaps we should give up eventually
- */
- }
- }
- }while( framesRead < frames );
- }
- else
- {
- result = paCanNotReadFromAnOutputOnlyStream;
- }
-
- return result;
-}
-
-
-static PaError WriteStream( PaStream* s,
- const void *buffer,
- unsigned long frames )
-{
- PaError result = paNoError;
- PaWinMmeStream *stream = (PaWinMmeStream*)s;
- const void *userBuffer;
- unsigned long framesWritten = 0;
- unsigned long framesProcessed;
- signed int hostOutputBufferIndex;
- DWORD waitResult;
- DWORD timeout = (unsigned long)(stream->allBuffersDurationMs * 0.5);
- unsigned int channel, i;
-
-
- if( PA_IS_OUTPUT_STREAM_(stream) )
- {
- /* make a local copy of the user buffer pointer(s). this is necessary
- because PaUtil_CopyOutput() advances these pointers every time
- it is called.
- */
- if( stream->bufferProcessor.userOutputIsInterleaved )
- {
- userBuffer = buffer;
- }
- else
- {
- userBuffer = alloca( sizeof(void*) * stream->bufferProcessor.outputChannelCount );
- if( !userBuffer )
- return paInsufficientMemory;
- for( i = 0; i<stream->bufferProcessor.outputChannelCount; ++i )
- ((const void**)userBuffer)[i] = ((const void**)buffer)[i];
- }
-
- do{
- if( CurrentOutputBuffersAreDone( stream ) )
- {
- if( NoBuffersAreQueued( &stream->output ) )
- {
- /** @todo REVIEW: consider what to do if the output
- underflows. do we requeue all the existing buffers with
- zeros? should we run a separate thread to keep the buffers
- enqueued at all times? */
-
- result = paOutputUnderflowed;
- }
-
- hostOutputBufferIndex = stream->output.currentBufferIndex;
-
- PaUtil_SetOutputFrameCount( &stream->bufferProcessor,
- stream->output.framesPerBuffer - stream->output.framesUsedInCurrentBuffer );
-
- channel = 0;
- for( i=0; i<stream->output.deviceCount; ++i )
- {
- /* we have stored the number of channels in the buffer in dwUser */
- int channelCount = stream->output.waveHeaders[i][ hostOutputBufferIndex ].dwUser;
-
- PaUtil_SetInterleavedOutputChannels( &stream->bufferProcessor, channel,
- stream->output.waveHeaders[i][ hostOutputBufferIndex ].lpData +
- stream->output.framesUsedInCurrentBuffer * channelCount *
- stream->bufferProcessor.bytesPerHostOutputSample,
- channelCount );
-
- channel += channelCount;
- }
-
- framesProcessed = PaUtil_CopyOutput( &stream->bufferProcessor, &userBuffer, frames - framesWritten );
-
- stream->output.framesUsedInCurrentBuffer += framesProcessed;
- if( stream->output.framesUsedInCurrentBuffer == stream->output.framesPerBuffer )
- {
- result = AdvanceToNextOutputBuffer( stream );
- if( result != paNoError )
- break;
- }
-
- framesWritten += framesProcessed;
- }
- else
- {
- /* wait for MME to signal that a buffer is available */
- waitResult = WaitForSingleObject( stream->output.bufferEvent, timeout );
- if( waitResult == WAIT_FAILED )
- {
- result = paUnanticipatedHostError;
- break;
- }
- else if( waitResult == WAIT_TIMEOUT )
- {
- /* if a timeout is encountered, continue,
- perhaps we should give up eventually
- */
- }
- }
- }while( framesWritten < frames );
- }
- else
- {
- result = paCanNotWriteToAnInputOnlyStream;
- }
-
- return result;
-}
-
-
-static signed long GetStreamReadAvailable( PaStream* s )
-{
- PaWinMmeStream *stream = (PaWinMmeStream*)s;
-
- if( PA_IS_INPUT_STREAM_(stream) )
- return GetAvailableFrames( &stream->input );
- else
- return paCanNotReadFromAnOutputOnlyStream;
-}
-
-
-static signed long GetStreamWriteAvailable( PaStream* s )
-{
- PaWinMmeStream *stream = (PaWinMmeStream*)s;
-
- if( PA_IS_OUTPUT_STREAM_(stream) )
- return GetAvailableFrames( &stream->output );
- else
- return paCanNotWriteToAnInputOnlyStream;
-}
-
-
-/* NOTE: the following functions are MME-stream specific, and are called directly
- by client code. We need to check for many more error conditions here because
- we don't have the benefit of pa_front.c's parameter checking.
-*/
-
-static PaError GetWinMMEStreamPointer( PaWinMmeStream **stream, PaStream *s )
-{
- PaError result;
- PaUtilHostApiRepresentation *hostApi;
- PaWinMmeHostApiRepresentation *winMmeHostApi;
-
- result = PaUtil_ValidateStreamPointer( s );
- if( result != paNoError )
- return result;
-
- result = PaUtil_GetHostApiRepresentation( &hostApi, paMME );
- if( result != paNoError )
- return result;
-
- winMmeHostApi = (PaWinMmeHostApiRepresentation*)hostApi;
-
- /* note, the following would be easier if there was a generic way of testing
- that a stream belongs to a specific host API */
-
- if( PA_STREAM_REP( s )->streamInterface == &winMmeHostApi->callbackStreamInterface
- || PA_STREAM_REP( s )->streamInterface == &winMmeHostApi->blockingStreamInterface )
- {
- /* s is a WinMME stream */
- *stream = (PaWinMmeStream *)s;
- return paNoError;
- }
- else
- {
- return paIncompatibleStreamHostApi;
- }
-}
-
-
-int PaWinMME_GetStreamInputHandleCount( PaStream* s )
-{
- PaWinMmeStream *stream;
- PaError result = GetWinMMEStreamPointer( &stream, s );
-
- if( result == paNoError )
- return (PA_IS_INPUT_STREAM_(stream)) ? stream->input.deviceCount : 0;
- else
- return result;
-}
-
-
-HWAVEIN PaWinMME_GetStreamInputHandle( PaStream* s, int handleIndex )
-{
- PaWinMmeStream *stream;
- PaError result = GetWinMMEStreamPointer( &stream, s );
-
- if( result == paNoError
- && PA_IS_INPUT_STREAM_(stream)
- && handleIndex >= 0
- && (unsigned int)handleIndex < stream->input.deviceCount )
- return ((HWAVEIN*)stream->input.waveHandles)[handleIndex];
- else
- return 0;
-}
-
-
-int PaWinMME_GetStreamOutputHandleCount( PaStream* s)
-{
- PaWinMmeStream *stream;
- PaError result = GetWinMMEStreamPointer( &stream, s );
-
- if( result == paNoError )
- return (PA_IS_OUTPUT_STREAM_(stream)) ? stream->output.deviceCount : 0;
- else
- return result;
-}
-
-
-HWAVEOUT PaWinMME_GetStreamOutputHandle( PaStream* s, int handleIndex )
-{
- PaWinMmeStream *stream;
- PaError result = GetWinMMEStreamPointer( &stream, s );
-
- if( result == paNoError
- && PA_IS_OUTPUT_STREAM_(stream)
- && handleIndex >= 0
- && (unsigned int)handleIndex < stream->output.deviceCount )
- return ((HWAVEOUT*)stream->output.waveHandles)[handleIndex];
- else
- return 0;
-}
-
-
-
-
-
diff --git a/src/audio/portaudio/pa_win_wmme/pa_win_wmme.h b/src/audio/portaudio/pa_win_wmme/pa_win_wmme.h
deleted file mode 100644
index 458f88f99f..0000000000
--- a/src/audio/portaudio/pa_win_wmme/pa_win_wmme.h
+++ /dev/null
@@ -1,160 +0,0 @@
-#ifndef PA_WIN_WMME_H
-#define PA_WIN_WMME_H
-/*
- * $Id$
- * PortAudio Portable Real-Time Audio Library
- * MME specific extensions
- *
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-
-/** @file
- @brief WMME-specific PortAudio API extension header file.
-*/
-
-
-#include "portaudio.h"
-
-#ifdef __cplusplus
-extern "C"
-{
-#endif /* __cplusplus */
-
-
-#define paWinMmeUseLowLevelLatencyParameters (0x01)
-#define paWinMmeUseMultipleDevices (0x02) /* use mme specific multiple device feature */
-
-
-/* By default, the mme implementation drops the processing thread's priority
- to THREAD_PRIORITY_NORMAL and sleeps the thread if the CPU load exceeds 100%
- This flag disables any priority throttling. The processing thread will always
- run at THREAD_PRIORITY_TIME_CRITICAL.
-*/
-#define paWinMmeDontThrottleOverloadedProcessingThread (0x08)
-
-
-typedef struct PaWinMmeDeviceAndChannelCount{
- PaDeviceIndex device;
- int channelCount;
-}PaWinMmeDeviceAndChannelCount;
-
-
-typedef struct PaWinMmeStreamInfo{
- unsigned long size; /**< sizeof(PaWinMmeStreamInfo) */
- PaHostApiTypeId hostApiType; /**< paMME */
- unsigned long version; /**< 1 */
-
- unsigned long flags;
-
- /* low-level latency setting support
- These settings control the number and size of host buffers in order
- to set latency. They will be used instead of the generic parameters
- to Pa_OpenStream() if flags contains the PaWinMmeUseLowLevelLatencyParameters
- flag.
-
- If PaWinMmeStreamInfo structures with PaWinMmeUseLowLevelLatencyParameters
- are supplied for both input and output in a full duplex stream, then the
- input and output framesPerBuffer must be the same, or the larger of the
- two must be a multiple of the smaller, otherwise a
- paIncompatibleHostApiSpecificStreamInfo error will be returned from
- Pa_OpenStream().
- */
- unsigned long framesPerBuffer;
- unsigned long bufferCount; /* formerly numBuffers */
-
- /* multiple devices per direction support
- If flags contains the PaWinMmeUseMultipleDevices flag,
- this functionality will be used, otherwise the device parameter to
- Pa_OpenStream() will be used instead.
- If devices are specified here, the corresponding device parameter
- to Pa_OpenStream() should be set to paUseHostApiSpecificDeviceSpecification,
- otherwise an paInvalidDevice error will result.
- The total number of channels accross all specified devices
- must agree with the corresponding channelCount parameter to
- Pa_OpenStream() otherwise a paInvalidChannelCount error will result.
- */
- PaWinMmeDeviceAndChannelCount *devices;
- unsigned long deviceCount;
-
-}PaWinMmeStreamInfo;
-
-
-/** Retrieve the number of wave in handles used by a PortAudio WinMME stream.
- Returns zero if the stream is output only.
-
- @return A non-negative value indicating the number of wave in handles
- or, a PaErrorCode (which are always negative) if PortAudio is not initialized
- or an error is encountered.
-
- @see PaWinMME_GetStreamInputHandle
-*/
-int PaWinMME_GetStreamInputHandleCount( PaStream* stream );
-
-
-/** Retrieve a wave in handle used by a PortAudio WinMME stream.
-
- @param stream The stream to query.
- @param handleIndex The zero based index of the wave in handle to retrieve. This
- should be in the range [0, PaWinMME_GetStreamInputHandle(stream)-1].
-
- @return A valid wave in handle, or NULL if an error occurred.
-
- @see PaWinMME_GetStreamInputHandle
-*/
-HWAVEIN PaWinMME_GetStreamInputHandle( PaStream* stream, int handleIndex );
-
-
-/** Retrieve the number of wave out handles used by a PortAudio WinMME stream.
- Returns zero if the stream is input only.
-
- @return A non-negative value indicating the number of wave out handles
- or, a PaErrorCode (which are always negative) if PortAudio is not initialized
- or an error is encountered.
-
- @see PaWinMME_GetStreamOutputHandle
-*/
-int PaWinMME_GetStreamOutputHandleCount( PaStream* stream );
-
-
-/** Retrieve a wave out handle used by a PortAudio WinMME stream.
-
- @param stream The stream to query.
- @param handleIndex The zero based index of the wave out handle to retrieve.
- This should be in the range [0, PaWinMME_GetStreamOutputHandleCount(stream)-1].
-
- @return A valid wave out handle, or NULL if an error occurred.
-
- @see PaWinMME_GetStreamOutputHandleCount
-*/
-HWAVEOUT PaWinMME_GetStreamOutputHandle( PaStream* stream, int handleIndex );
-
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
-
-#endif /* PA_WIN_WMME_H */
diff --git a/src/audio/portaudio/pablio/README.txt b/src/audio/portaudio/pablio/README.txt
deleted file mode 100644
index 99c7d146ed..0000000000
--- a/src/audio/portaudio/pablio/README.txt
+++ /dev/null
@@ -1,39 +0,0 @@
-README for PABLIO
-Portable Audio Blocking I/O Library
-Author: Phil Burk
-
-PABLIO is a simplified interface to PortAudio that provide
-read/write style blocking I/O.
-
-Please see the .DOC file for documentation.
-
-/*
- * More information on PortAudio at: http://www.portaudio.com
- * Copyright (c) 1999-2000 Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-
-
diff --git a/src/audio/portaudio/pablio/pablio.c b/src/audio/portaudio/pablio/pablio.c
deleted file mode 100644
index 452eccc4d1..0000000000
--- a/src/audio/portaudio/pablio/pablio.c
+++ /dev/null
@@ -1,307 +0,0 @@
-/*
- * $Id$
- * pablio.c
- * Portable Audio Blocking Input/Output utility.
- *
- * Author: Phil Burk, http://www.softsynth.com
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.audiomulch.com/portaudio/
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-#include <stdio.h>
-#include <stdlib.h>
-#include <math.h>
-#include "portaudio.h"
-#include "ringbuffer.h"
-#include "pablio.h"
-#include <string.h>
-
-/************************************************************************/
-/******** Constants *****************************************************/
-/************************************************************************/
-
-#define FRAMES_PER_BUFFER (256)
-
-/************************************************************************/
-/******** Prototypes ****************************************************/
-/************************************************************************/
-
-static int blockingIOCallback( void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- PaTimestamp outTime, void *userData );
-static PaError PABLIO_InitFIFO( RingBuffer *rbuf, long numFrames, long bytesPerFrame );
-static PaError PABLIO_TermFIFO( RingBuffer *rbuf );
-
-/************************************************************************/
-/******** Functions *****************************************************/
-/************************************************************************/
-
-/* Called from PortAudio.
- * Read and write data only if there is room in FIFOs.
- */
-static int blockingIOCallback( void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- PaTimestamp outTime, void *userData )
-{
- PABLIO_Stream *data = (PABLIO_Stream*)userData;
- long numBytes = data->bytesPerFrame * framesPerBuffer;
- (void) outTime;
-
- /* This may get called with NULL inputBuffer during initial setup. */
- if( inputBuffer != NULL )
- {
- RingBuffer_Write( &data->inFIFO, inputBuffer, numBytes );
- }
- if( outputBuffer != NULL )
- {
- int i;
- int numRead = RingBuffer_Read( &data->outFIFO, outputBuffer, numBytes );
- /* Zero out remainder of buffer if we run out of data. */
- for( i=numRead; i<numBytes; i++ )
- {
- ((char *)outputBuffer)[i] = 0;
- }
- }
-
- return 0;
-}
-
-/* Allocate buffer. */
-static PaError PABLIO_InitFIFO( RingBuffer *rbuf, long numFrames, long bytesPerFrame )
-{
- long numBytes = numFrames * bytesPerFrame;
- char *buffer = (char *) malloc( numBytes );
- if( buffer == NULL ) return paInsufficientMemory;
- memset( buffer, 0, numBytes );
- return (PaError) RingBuffer_Init( rbuf, numBytes, buffer );
-}
-
-/* Free buffer. */
-static PaError PABLIO_TermFIFO( RingBuffer *rbuf )
-{
- if( rbuf->buffer ) free( rbuf->buffer );
- rbuf->buffer = NULL;
- return paNoError;
-}
-
-/************************************************************
- * Write data to ring buffer.
- * Will not return until all the data has been written.
- */
-long WriteAudioStream( PABLIO_Stream *aStream, void *data, long numFrames )
-{
- long bytesWritten;
- char *p = (char *) data;
- long numBytes = aStream->bytesPerFrame * numFrames;
- while( numBytes > 0)
- {
- bytesWritten = RingBuffer_Write( &aStream->outFIFO, p, numBytes );
- numBytes -= bytesWritten;
- p += bytesWritten;
- if( numBytes > 0) Pa_Sleep(10);
- }
- return numFrames;
-}
-
-/************************************************************
- * Read data from ring buffer.
- * Will not return until all the data has been read.
- */
-long ReadAudioStream( PABLIO_Stream *aStream, void *data, long numFrames )
-{
- long bytesRead;
- char *p = (char *) data;
- long numBytes = aStream->bytesPerFrame * numFrames;
- while( numBytes > 0)
- {
- bytesRead = RingBuffer_Read( &aStream->inFIFO, p, numBytes );
- numBytes -= bytesRead;
- p += bytesRead;
- if( numBytes > 0) Pa_Sleep(10);
- }
- return numFrames;
-}
-
-/************************************************************
- * Return the number of frames that could be written to the stream without
- * having to wait.
- */
-long GetAudioStreamWriteable( PABLIO_Stream *aStream )
-{
- int bytesEmpty = RingBuffer_GetWriteAvailable( &aStream->outFIFO );
- return bytesEmpty / aStream->bytesPerFrame;
-}
-
-/************************************************************
- * Return the number of frames that are available to be read from the
- * stream without having to wait.
- */
-long GetAudioStreamReadable( PABLIO_Stream *aStream )
-{
- int bytesFull = RingBuffer_GetReadAvailable( &aStream->inFIFO );
- return bytesFull / aStream->bytesPerFrame;
-}
-
-/************************************************************/
-static unsigned long RoundUpToNextPowerOf2( unsigned long n )
-{
- long numBits = 0;
- if( ((n-1) & n) == 0) return n; /* Already Power of two. */
- while( n > 0 )
- {
- n= n>>1;
- numBits++;
- }
- return (1<<numBits);
-}
-
-/************************************************************
- * Opens a PortAudio stream with default characteristics.
- * Allocates PABLIO_Stream structure.
- *
- * flags parameter can be an ORed combination of:
- * PABLIO_READ, PABLIO_WRITE, or PABLIO_READ_WRITE,
- * and either PABLIO_MONO or PABLIO_STEREO
- */
-PaError OpenAudioStream( PABLIO_Stream **rwblPtr, double sampleRate,
- PaSampleFormat format, long flags )
-{
- long bytesPerSample;
- long doRead = 0;
- long doWrite = 0;
- PaError err;
- PABLIO_Stream *aStream;
- long minNumBuffers;
- long numFrames;
-
- /* Allocate PABLIO_Stream structure for caller. */
- aStream = (PABLIO_Stream *) malloc( sizeof(PABLIO_Stream) );
- if( aStream == NULL ) return paInsufficientMemory;
- memset( aStream, 0, sizeof(PABLIO_Stream) );
-
- /* Determine size of a sample. */
- bytesPerSample = Pa_GetSampleSize( format );
- if( bytesPerSample < 0 )
- {
- err = (PaError) bytesPerSample;
- goto error;
- }
- aStream->samplesPerFrame = ((flags&PABLIO_MONO) != 0) ? 1 : 2;
- aStream->bytesPerFrame = bytesPerSample * aStream->samplesPerFrame;
-
- /* Initialize PortAudio */
- err = Pa_Initialize();
- if( err != paNoError ) goto error;
-
- /* Warning: numFrames must be larger than amount of data processed per interrupt
- * inside PA to prevent glitches. Just to be safe, adjust size upwards.
- */
- minNumBuffers = 2 * Pa_GetMinNumBuffers( FRAMES_PER_BUFFER, sampleRate );
- numFrames = minNumBuffers * FRAMES_PER_BUFFER;
- numFrames = RoundUpToNextPowerOf2( numFrames );
-
- /* Initialize Ring Buffers */
- doRead = ((flags & PABLIO_READ) != 0);
- doWrite = ((flags & PABLIO_WRITE) != 0);
- if(doRead)
- {
- err = PABLIO_InitFIFO( &aStream->inFIFO, numFrames, aStream->bytesPerFrame );
- if( err != paNoError ) goto error;
- }
- if(doWrite)
- {
- long numBytes;
- err = PABLIO_InitFIFO( &aStream->outFIFO, numFrames, aStream->bytesPerFrame );
- if( err != paNoError ) goto error;
- /* Make Write FIFO appear full initially. */
- numBytes = RingBuffer_GetWriteAvailable( &aStream->outFIFO );
- RingBuffer_AdvanceWriteIndex( &aStream->outFIFO, numBytes );
- }
-
- /* Open a PortAudio stream that we will use to communicate with the underlying
- * audio drivers. */
- err = Pa_OpenStream(
- &aStream->stream,
- (doRead ? Pa_GetDefaultInputDeviceID() : paNoDevice),
- (doRead ? aStream->samplesPerFrame : 0 ),
- format,
- NULL,
- (doWrite ? Pa_GetDefaultOutputDeviceID() : paNoDevice),
- (doWrite ? aStream->samplesPerFrame : 0 ),
- format,
- NULL,
- sampleRate,
- FRAMES_PER_BUFFER,
- minNumBuffers,
- paClipOff, /* we won't output out of range samples so don't bother clipping them */
- blockingIOCallback,
- aStream );
- if( err != paNoError ) goto error;
-
- err = Pa_StartStream( aStream->stream );
- if( err != paNoError ) goto error;
-
- *rwblPtr = aStream;
- return paNoError;
-
-error:
- CloseAudioStream( aStream );
- *rwblPtr = NULL;
- return err;
-}
-
-/************************************************************/
-PaError CloseAudioStream( PABLIO_Stream *aStream )
-{
- PaError err;
- int bytesEmpty;
- int byteSize = aStream->outFIFO.bufferSize;
-
- /* If we are writing data, make sure we play everything written. */
- if( byteSize > 0 )
- {
- bytesEmpty = RingBuffer_GetWriteAvailable( &aStream->outFIFO );
- while( bytesEmpty < byteSize )
- {
- Pa_Sleep( 10 );
- bytesEmpty = RingBuffer_GetWriteAvailable( &aStream->outFIFO );
- }
- }
-
- err = Pa_StopStream( aStream->stream );
- if( err != paNoError ) goto error;
- err = Pa_CloseStream( aStream->stream );
- if( err != paNoError ) goto error;
- Pa_Terminate();
-
-error:
- PABLIO_TermFIFO( &aStream->inFIFO );
- PABLIO_TermFIFO( &aStream->outFIFO );
- free( aStream );
- return err;
-}
diff --git a/src/audio/portaudio/pablio/pablio.def b/src/audio/portaudio/pablio/pablio.def
deleted file mode 100644
index a10f952915..0000000000
--- a/src/audio/portaudio/pablio/pablio.def
+++ /dev/null
@@ -1,35 +0,0 @@
-LIBRARY PABLIO
-DESCRIPTION 'PABLIO Portable Audio Blocking I/O'
-
-EXPORTS
- ; Explicit exports can go here
- Pa_Initialize @1
- Pa_Terminate @2
- Pa_GetHostError @3
- Pa_GetErrorText @4
- Pa_CountDevices @5
- Pa_GetDefaultInputDeviceID @6
- Pa_GetDefaultOutputDeviceID @7
- Pa_GetDeviceInfo @8
- Pa_OpenStream @9
- Pa_OpenDefaultStream @10
- Pa_CloseStream @11
- Pa_StartStream @12
- Pa_StopStream @13
- Pa_StreamActive @14
- Pa_StreamTime @15
- Pa_GetCPULoad @16
- Pa_GetMinNumBuffers @17
- Pa_Sleep @18
-
- OpenAudioStream @19
- CloseAudioStream @20
- WriteAudioStream @21
- ReadAudioStream @22
-
- Pa_GetSampleSize @23
-
- ;123456789012345678901234567890123456
- ;000000000111111111122222222223333333
-
-
diff --git a/src/audio/portaudio/pablio/pablio.h b/src/audio/portaudio/pablio/pablio.h
deleted file mode 100644
index c1ad84a836..0000000000
--- a/src/audio/portaudio/pablio/pablio.h
+++ /dev/null
@@ -1,109 +0,0 @@
-#ifndef _PABLIO_H
-#define _PABLIO_H
-
-#ifdef __cplusplus
-extern "C"
-{
-#endif /* __cplusplus */
-
-/*
- * $Id$
- * PABLIO.h
- * Portable Audio Blocking read/write utility.
- *
- * Author: Phil Burk, http://www.softsynth.com/portaudio/
- *
- * Include file for PABLIO, the Portable Audio Blocking I/O Library.
- * PABLIO is built on top of PortAudio, the Portable Audio Library.
- * For more information see: http://www.audiomulch.com/portaudio/
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-#include <stdio.h>
-#include <stdlib.h>
-#include <math.h>
-#include "portaudio.h"
-#include "ringbuffer.h"
-#include <string.h>
-
-typedef struct
-{
- RingBuffer inFIFO;
- RingBuffer outFIFO;
- PortAudioStream *stream;
- int bytesPerFrame;
- int samplesPerFrame;
-}
-PABLIO_Stream;
-
-/* Values for flags for OpenAudioStream(). */
-#define PABLIO_READ (1<<0)
-#define PABLIO_WRITE (1<<1)
-#define PABLIO_READ_WRITE (PABLIO_READ|PABLIO_WRITE)
-#define PABLIO_MONO (1<<2)
-#define PABLIO_STEREO (1<<3)
-
-/************************************************************
- * Write data to ring buffer.
- * Will not return until all the data has been written.
- */
-long WriteAudioStream( PABLIO_Stream *aStream, void *data, long numFrames );
-
-/************************************************************
- * Read data from ring buffer.
- * Will not return until all the data has been read.
- */
-long ReadAudioStream( PABLIO_Stream *aStream, void *data, long numFrames );
-
-/************************************************************
- * Return the number of frames that could be written to the stream without
- * having to wait.
- */
-long GetAudioStreamWriteable( PABLIO_Stream *aStream );
-
-/************************************************************
- * Return the number of frames that are available to be read from the
- * stream without having to wait.
- */
-long GetAudioStreamReadable( PABLIO_Stream *aStream );
-
-/************************************************************
- * Opens a PortAudio stream with default characteristics.
- * Allocates PABLIO_Stream structure.
- *
- * flags parameter can be an ORed combination of:
- * PABLIO_READ, PABLIO_WRITE, or PABLIO_READ_WRITE,
- * and either PABLIO_MONO or PABLIO_STEREO
- */
-PaError OpenAudioStream( PABLIO_Stream **aStreamPtr, double sampleRate,
- PaSampleFormat format, long flags );
-
-PaError CloseAudioStream( PABLIO_Stream *aStream );
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
-#endif /* _PABLIO_H */
diff --git a/src/audio/portaudio/pablio/ringbuffer.c b/src/audio/portaudio/pablio/ringbuffer.c
deleted file mode 100644
index 16031fef67..0000000000
--- a/src/audio/portaudio/pablio/ringbuffer.c
+++ /dev/null
@@ -1,199 +0,0 @@
-/*
- * $Id$
- * ringbuffer.c
- * Ring Buffer utility..
- *
- * Author: Phil Burk, http://www.softsynth.com
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.audiomulch.com/portaudio/
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-#include <stdio.h>
-#include <stdlib.h>
-#include <math.h>
-#include "ringbuffer.h"
-#include <string.h>
-
-/***************************************************************************
- * Initialize FIFO.
- * numBytes must be power of 2, returns -1 if not.
- */
-long RingBuffer_Init( RingBuffer *rbuf, long numBytes, void *dataPtr )
-{
- if( ((numBytes-1) & numBytes) != 0) return -1; /* Not Power of two. */
- rbuf->bufferSize = numBytes;
- rbuf->buffer = (char *)dataPtr;
- RingBuffer_Flush( rbuf );
- rbuf->bigMask = (numBytes*2)-1;
- rbuf->smallMask = (numBytes)-1;
- return 0;
-}
-/***************************************************************************
-** Return number of bytes available for reading. */
-long RingBuffer_GetReadAvailable( RingBuffer *rbuf )
-{
- return ( (rbuf->writeIndex - rbuf->readIndex) & rbuf->bigMask );
-}
-/***************************************************************************
-** Return number of bytes available for writing. */
-long RingBuffer_GetWriteAvailable( RingBuffer *rbuf )
-{
- return ( rbuf->bufferSize - RingBuffer_GetReadAvailable(rbuf));
-}
-
-/***************************************************************************
-** Clear buffer. Should only be called when buffer is NOT being read. */
-void RingBuffer_Flush( RingBuffer *rbuf )
-{
- rbuf->writeIndex = rbuf->readIndex = 0;
-}
-
-/***************************************************************************
-** Get address of region(s) to which we can write data.
-** If the region is contiguous, size2 will be zero.
-** If non-contiguous, size2 will be the size of second region.
-** Returns room available to be written or numBytes, whichever is smaller.
-*/
-long RingBuffer_GetWriteRegions( RingBuffer *rbuf, long numBytes,
- void **dataPtr1, long *sizePtr1,
- void **dataPtr2, long *sizePtr2 )
-{
- long index;
- long available = RingBuffer_GetWriteAvailable( rbuf );
- if( numBytes > available ) numBytes = available;
- /* Check to see if write is not contiguous. */
- index = rbuf->writeIndex & rbuf->smallMask;
- if( (index + numBytes) > rbuf->bufferSize )
- {
- /* Write data in two blocks that wrap the buffer. */
- long firstHalf = rbuf->bufferSize - index;
- *dataPtr1 = &rbuf->buffer[index];
- *sizePtr1 = firstHalf;
- *dataPtr2 = &rbuf->buffer[0];
- *sizePtr2 = numBytes - firstHalf;
- }
- else
- {
- *dataPtr1 = &rbuf->buffer[index];
- *sizePtr1 = numBytes;
- *dataPtr2 = NULL;
- *sizePtr2 = 0;
- }
- return numBytes;
-}
-
-
-/***************************************************************************
-*/
-long RingBuffer_AdvanceWriteIndex( RingBuffer *rbuf, long numBytes )
-{
- return rbuf->writeIndex = (rbuf->writeIndex + numBytes) & rbuf->bigMask;
-}
-
-/***************************************************************************
-** Get address of region(s) from which we can read data.
-** If the region is contiguous, size2 will be zero.
-** If non-contiguous, size2 will be the size of second region.
-** Returns room available to be written or numBytes, whichever is smaller.
-*/
-long RingBuffer_GetReadRegions( RingBuffer *rbuf, long numBytes,
- void **dataPtr1, long *sizePtr1,
- void **dataPtr2, long *sizePtr2 )
-{
- long index;
- long available = RingBuffer_GetReadAvailable( rbuf );
- if( numBytes > available ) numBytes = available;
- /* Check to see if read is not contiguous. */
- index = rbuf->readIndex & rbuf->smallMask;
- if( (index + numBytes) > rbuf->bufferSize )
- {
- /* Write data in two blocks that wrap the buffer. */
- long firstHalf = rbuf->bufferSize - index;
- *dataPtr1 = &rbuf->buffer[index];
- *sizePtr1 = firstHalf;
- *dataPtr2 = &rbuf->buffer[0];
- *sizePtr2 = numBytes - firstHalf;
- }
- else
- {
- *dataPtr1 = &rbuf->buffer[index];
- *sizePtr1 = numBytes;
- *dataPtr2 = NULL;
- *sizePtr2 = 0;
- }
- return numBytes;
-}
-/***************************************************************************
-*/
-long RingBuffer_AdvanceReadIndex( RingBuffer *rbuf, long numBytes )
-{
- return rbuf->readIndex = (rbuf->readIndex + numBytes) & rbuf->bigMask;
-}
-
-/***************************************************************************
-** Return bytes written. */
-long RingBuffer_Write( RingBuffer *rbuf, void *data, long numBytes )
-{
- long size1, size2, numWritten;
- void *data1, *data2;
- numWritten = RingBuffer_GetWriteRegions( rbuf, numBytes, &data1, &size1, &data2, &size2 );
- if( size2 > 0 )
- {
-
- memcpy( data1, data, size1 );
- data = ((char *)data) + size1;
- memcpy( data2, data, size2 );
- }
- else
- {
- memcpy( data1, data, size1 );
- }
- RingBuffer_AdvanceWriteIndex( rbuf, numWritten );
- return numWritten;
-}
-
-/***************************************************************************
-** Return bytes read. */
-long RingBuffer_Read( RingBuffer *rbuf, void *data, long numBytes )
-{
- long size1, size2, numRead;
- void *data1, *data2;
- numRead = RingBuffer_GetReadRegions( rbuf, numBytes, &data1, &size1, &data2, &size2 );
- if( size2 > 0 )
- {
- memcpy( data, data1, size1 );
- data = ((char *)data) + size1;
- memcpy( data, data2, size2 );
- }
- else
- {
- memcpy( data, data1, size1 );
- }
- RingBuffer_AdvanceReadIndex( rbuf, numRead );
- return numRead;
-}
diff --git a/src/audio/portaudio/pablio/ringbuffer.h b/src/audio/portaudio/pablio/ringbuffer.h
deleted file mode 100644
index dd769bee6d..0000000000
--- a/src/audio/portaudio/pablio/ringbuffer.h
+++ /dev/null
@@ -1,101 +0,0 @@
-#ifndef _RINGBUFFER_H
-#define _RINGBUFFER_H
-#ifdef __cplusplus
-extern "C"
-{
-#endif /* __cplusplus */
-
-/*
- * $Id$
- * ringbuffer.h
- * Ring Buffer utility..
- *
- * Author: Phil Burk, http://www.softsynth.com
- *
- * This program is distributed with the PortAudio Portable Audio Library.
- * For more information see: http://www.audiomulch.com/portaudio/
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-#include <stdio.h>
-#include <stdlib.h>
-#include <math.h>
-#include "ringbuffer.h"
-#include <string.h>
-
-typedef struct
-{
- long bufferSize; /* Number of bytes in FIFO. Power of 2. Set by RingBuffer_Init. */
- long writeIndex; /* Index of next writable byte. Set by RingBuffer_AdvanceWriteIndex. */
- long readIndex; /* Index of next readable byte. Set by RingBuffer_AdvanceReadIndex. */
- long bigMask; /* Used for wrapping indices with extra bit to distinguish full/empty. */
- long smallMask; /* Used for fitting indices to buffer. */
- char *buffer;
-}
-RingBuffer;
-/*
- * Initialize Ring Buffer.
- * numBytes must be power of 2, returns -1 if not.
- */
-long RingBuffer_Init( RingBuffer *rbuf, long numBytes, void *dataPtr );
-
-/* Clear buffer. Should only be called when buffer is NOT being read. */
-void RingBuffer_Flush( RingBuffer *rbuf );
-
-/* Return number of bytes available for writing. */
-long RingBuffer_GetWriteAvailable( RingBuffer *rbuf );
-/* Return number of bytes available for read. */
-long RingBuffer_GetReadAvailable( RingBuffer *rbuf );
-/* Return bytes written. */
-long RingBuffer_Write( RingBuffer *rbuf, void *data, long numBytes );
-/* Return bytes read. */
-long RingBuffer_Read( RingBuffer *rbuf, void *data, long numBytes );
-
-/* Get address of region(s) to which we can write data.
-** If the region is contiguous, size2 will be zero.
-** If non-contiguous, size2 will be the size of second region.
-** Returns room available to be written or numBytes, whichever is smaller.
-*/
-long RingBuffer_GetWriteRegions( RingBuffer *rbuf, long numBytes,
- void **dataPtr1, long *sizePtr1,
- void **dataPtr2, long *sizePtr2 );
-long RingBuffer_AdvanceWriteIndex( RingBuffer *rbuf, long numBytes );
-
-/* Get address of region(s) from which we can read data.
-** If the region is contiguous, size2 will be zero.
-** If non-contiguous, size2 will be the size of second region.
-** Returns room available to be written or numBytes, whichever is smaller.
-*/
-long RingBuffer_GetReadRegions( RingBuffer *rbuf, long numBytes,
- void **dataPtr1, long *sizePtr1,
- void **dataPtr2, long *sizePtr2 );
-
-long RingBuffer_AdvanceReadIndex( RingBuffer *rbuf, long numBytes );
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
-#endif /* _RINGBUFFER_H */
diff --git a/src/audio/portaudio/pablio/test_rw.c b/src/audio/portaudio/pablio/test_rw.c
deleted file mode 100644
index 7f7e886ac0..0000000000
--- a/src/audio/portaudio/pablio/test_rw.c
+++ /dev/null
@@ -1,99 +0,0 @@
-/*
- * $Id$
- * test_rw.c
- * Read input from one stream and write it to another.
- *
- * Author: Phil Burk, http://www.softsynth.com/portaudio/
- *
- * This program uses PABLIO, the Portable Audio Blocking I/O Library.
- * PABLIO is built on top of PortAudio, the Portable Audio Library.
- * For more information see: http://www.audiomulch.com/portaudio/
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include "pablio.h"
-
-/*
-** Note that many of the older ISA sound cards on PCs do NOT support
-** full duplex audio (simultaneous record and playback).
-** And some only support full duplex at lower sample rates.
-*/
-#define SAMPLE_RATE (44100)
-#define NUM_SECONDS (5)
-#define SAMPLES_PER_FRAME (2)
-#define FRAMES_PER_BLOCK (64)
-
-/* Select whether we will use floats or shorts. */
-#if 1
-#define SAMPLE_TYPE paFloat32
-typedef float SAMPLE;
-#else
-#define SAMPLE_TYPE paInt16
-typedef short SAMPLE;
-#endif
-
-/*******************************************************************/
-int main(void);
-int main(void)
-{
- int i;
- SAMPLE samples[SAMPLES_PER_FRAME * FRAMES_PER_BLOCK];
- PaError err;
- PABLIO_Stream *aStream;
-
- printf("Full duplex sound test using PortAudio and RingBuffers\n");
- fflush(stdout);
-
- /* Open simplified blocking I/O layer on top of PortAudio. */
- err = OpenAudioStream( &aStream, SAMPLE_RATE, SAMPLE_TYPE,
- (PABLIO_READ_WRITE | PABLIO_STEREO) );
- if( err != paNoError ) goto error;
-
- /* Process samples in the foreground. */
- for( i=0; i<(NUM_SECONDS * SAMPLE_RATE); i += FRAMES_PER_BLOCK )
- {
- /* Read one block of data into sample array from audio input. */
- ReadAudioStream( aStream, samples, FRAMES_PER_BLOCK );
- /* Write that same block of data to output. */
- WriteAudioStream( aStream, samples, FRAMES_PER_BLOCK );
- }
-
- CloseAudioStream( aStream );
-
- printf("Full duplex sound test complete.\n" );
- fflush(stdout);
- return 0;
-
-error:
- Pa_Terminate();
- fprintf( stderr, "An error occured while using the portaudio stream\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- return -1;
-}
diff --git a/src/audio/portaudio/pablio/test_rw_echo.c b/src/audio/portaudio/pablio/test_rw_echo.c
deleted file mode 100644
index 9ba8c8d126..0000000000
--- a/src/audio/portaudio/pablio/test_rw_echo.c
+++ /dev/null
@@ -1,123 +0,0 @@
-/*
- * $Id$
- * test_rw_echo.c
- * Echo delayed input to output.
- *
- * Author: Phil Burk, http://www.softsynth.com/portaudio/
- *
- * This program uses PABLIO, the Portable Audio Blocking I/O Library.
- * PABLIO is built on top of PortAudio, the Portable Audio Library.
- *
- * Note that if you need low latency, you should not use PABLIO.
- * Use the PA_OpenStream callback technique which is lower level
- * than PABLIO.
- *
- * For more information see: http://www.audiomulch.com/portaudio/
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <math.h>
-#include "pablio.h"
-#include <string.h>
-
-/*
-** Note that many of the older ISA sound cards on PCs do NOT support
-** full duplex audio (simultaneous record and playback).
-** And some only support full duplex at lower sample rates.
-*/
-#define SAMPLE_RATE (22050)
-#define NUM_SECONDS (20)
-#define SAMPLES_PER_FRAME (2)
-
-/* Select whether we will use floats or shorts. */
-#if 1
-#define SAMPLE_TYPE paFloat32
-typedef float SAMPLE;
-#else
-#define SAMPLE_TYPE paInt16
-typedef short SAMPLE;
-#endif
-
-#define NUM_ECHO_FRAMES (2*SAMPLE_RATE)
-SAMPLE samples[NUM_ECHO_FRAMES][SAMPLES_PER_FRAME] = {0.0};
-
-/*******************************************************************/
-int main(void);
-int main(void)
-{
- int i;
- PaError err;
- PABLIO_Stream *aInStream;
- PABLIO_Stream *aOutStream;
- int index;
-
- printf("Full duplex sound test using PABLIO\n");
- fflush(stdout);
-
- /* Open simplified blocking I/O layer on top of PortAudio. */
- /* Open input first so it can start to fill buffers. */
- err = OpenAudioStream( &aInStream, SAMPLE_RATE, SAMPLE_TYPE,
- (PABLIO_READ | PABLIO_STEREO) );
- if( err != paNoError ) goto error;
- /* printf("opened input\n"); fflush(stdout); /**/
-
- err = OpenAudioStream( &aOutStream, SAMPLE_RATE, SAMPLE_TYPE,
- (PABLIO_WRITE | PABLIO_STEREO) );
- if( err != paNoError ) goto error;
- /* printf("opened output\n"); fflush(stdout); /**/
-
- /* Process samples in the foreground. */
- index = 0;
- for( i=0; i<(NUM_SECONDS * SAMPLE_RATE); i++ )
- {
- /* Write old frame of data to output. */
- /* samples[index][1] = (i&256) * (1.0f/256.0f); /* sawtooth */
- WriteAudioStream( aOutStream, &samples[index][0], 1 );
-
- /* Read one frame of data into sample array for later output. */
- ReadAudioStream( aInStream, &samples[index][0], 1 );
- index += 1;
- if( index >= NUM_ECHO_FRAMES ) index = 0;
-
- if( (i & 0xFFFF) == 0 ) printf("i = %d\n", i ); fflush(stdout); /**/
- }
-
- CloseAudioStream( aOutStream );
- CloseAudioStream( aInStream );
-
- printf("R/W echo sound test complete.\n" );
- fflush(stdout);
- return 0;
-
-error:
- fprintf( stderr, "An error occured while using PortAudio\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- return -1;
-}
diff --git a/src/audio/portaudio/pablio/test_w_saw.c b/src/audio/portaudio/pablio/test_w_saw.c
deleted file mode 100644
index d5d4e9be53..0000000000
--- a/src/audio/portaudio/pablio/test_w_saw.c
+++ /dev/null
@@ -1,108 +0,0 @@
-/*
- * $Id$
- * test_w_saw.c
- * Generate stereo sawtooth waveforms.
- *
- * Author: Phil Burk, http://www.softsynth.com
- *
- * This program uses PABLIO, the Portable Audio Blocking I/O Library.
- * PABLIO is built on top of PortAudio, the Portable Audio Library.
- *
- * For more information see: http://www.audiomulch.com/portaudio/
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <math.h>
-#include "pablio.h"
-#include <string.h>
-
-#define SAMPLE_RATE (44100)
-#define NUM_SECONDS (6)
-#define SAMPLES_PER_FRAME (2)
-
-#define FREQUENCY (220.0f)
-#define PHASE_INCREMENT (2.0f * FREQUENCY / SAMPLE_RATE)
-#define FRAMES_PER_BLOCK (100)
-
-float samples[FRAMES_PER_BLOCK][SAMPLES_PER_FRAME];
-float phases[SAMPLES_PER_FRAME];
-
-/*******************************************************************/
-int main(void);
-int main(void)
-{
- int i,j;
- PaError err;
- PABLIO_Stream *aOutStream;
-
- printf("Generate sawtooth waves using PABLIO.\n");
- fflush(stdout);
-
- /* Open simplified blocking I/O layer on top of PortAudio. */
- err = OpenAudioStream( &aOutStream, SAMPLE_RATE, paFloat32,
- (PABLIO_WRITE | PABLIO_STEREO) );
- if( err != paNoError ) goto error;
-
- /* Initialize oscillator phases. */
- phases[0] = 0.0;
- phases[1] = 0.0;
-
- for( i=0; i<(NUM_SECONDS * SAMPLE_RATE); i += FRAMES_PER_BLOCK )
- {
- /* Generate sawtooth waveforms in a block for efficiency. */
- for( j=0; j<FRAMES_PER_BLOCK; j++ )
- {
- /* Generate a sawtooth wave by incrementing a variable. */
- phases[0] += PHASE_INCREMENT;
- /* The signal range is -1.0 to +1.0 so wrap around if we go over. */
- if( phases[0] > 1.0f ) phases[0] -= 2.0f;
- samples[j][0] = phases[0];
-
- /* On the second channel, generate a sawtooth wave a fifth higher. */
- phases[1] += PHASE_INCREMENT * (3.0f / 2.0f);
- if( phases[1] > 1.0f ) phases[1] -= 2.0f;
- samples[j][1] = phases[1];
- }
-
- /* Write samples to output. */
- WriteAudioStream( aOutStream, samples, FRAMES_PER_BLOCK );
- }
-
- CloseAudioStream( aOutStream );
-
- printf("Sawtooth sound test complete.\n" );
- fflush(stdout);
- return 0;
-
-error:
- fprintf( stderr, "An error occured while using PABLIO\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- return -1;
-}
diff --git a/src/audio/portaudio/pablio/test_w_saw8.c b/src/audio/portaudio/pablio/test_w_saw8.c
deleted file mode 100644
index 0a9d05abd2..0000000000
--- a/src/audio/portaudio/pablio/test_w_saw8.c
+++ /dev/null
@@ -1,106 +0,0 @@
-/*
- * $Id$
- * test_w_saw8.c
- * Generate stereo 8 bit sawtooth waveforms.
- *
- * Author: Phil Burk, http://www.softsynth.com
- *
- * This program uses PABLIO, the Portable Audio Blocking I/O Library.
- * PABLIO is built on top of PortAudio, the Portable Audio Library.
- *
- * For more information see: http://www.audiomulch.com/portaudio/
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <math.h>
-#include "pablio.h"
-#include <string.h>
-
-#define SAMPLE_RATE (22050)
-#define NUM_SECONDS (6)
-#define SAMPLES_PER_FRAME (2)
-
-
-#define FRAMES_PER_BLOCK (100)
-
-unsigned char samples[FRAMES_PER_BLOCK][SAMPLES_PER_FRAME];
-unsigned char phases[SAMPLES_PER_FRAME];
-
-/*******************************************************************/
-int main(void);
-int main(void)
-{
- int i,j;
- PaError err;
- PABLIO_Stream *aOutStream;
-
- printf("Generate unsigned 8 bit sawtooth waves using PABLIO.\n");
- fflush(stdout);
-
- /* Open simplified blocking I/O layer on top of PortAudio. */
- err = OpenAudioStream( &aOutStream, SAMPLE_RATE, paUInt8,
- (PABLIO_WRITE | PABLIO_STEREO) );
- if( err != paNoError ) goto error;
-
- /* Initialize oscillator phases to "ground" level for paUInt8. */
- phases[0] = 128;
- phases[1] = 128;
-
- for( i=0; i<(NUM_SECONDS * SAMPLE_RATE); i += FRAMES_PER_BLOCK )
- {
- /* Generate sawtooth waveforms in a block for efficiency. */
- for( j=0; j<FRAMES_PER_BLOCK; j++ )
- {
- /* Generate a sawtooth wave by incrementing a variable. */
- phases[0] += 1;
- /* We don't have to do anything special to wrap when using paUint8 because
- * 8 bit arithmetic automatically wraps. */
- samples[j][0] = phases[0];
-
- /* On the second channel, generate a higher sawtooth wave. */
- phases[1] += 3;
- samples[j][1] = phases[1];
- }
-
- /* Write samples to output. */
- WriteAudioStream( aOutStream, samples, FRAMES_PER_BLOCK );
- }
-
- CloseAudioStream( aOutStream );
-
- printf("Sawtooth sound test complete.\n" );
- fflush(stdout);
- return 0;
-
-error:
- fprintf( stderr, "An error occured while using PABLIO\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- return -1;
-}
--
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