Temporary: speex narrowband and wideband coexist

src/audio/codecs/Makefile.am

@@ -22,6 +22,15 @@ libcodec_speex_nb_so_LDFLAGS = --shared -lc -lspeex $(SPEEX_NIMP)
 INSTALL_SPEEX_NB_RULE = install-libcodec_speex_nb_so
 endif
 
+if BUILD_SPEEX
+SPEEX_WB_LIB = libcodec_speex_wb.so
+libcodec_speex_wb_so_SOURCES = speexcodec_wb.cpp
+libcodec_speex_wb_so_CFLAGS = -fPIC -g -Wall
+libcodec_speex_wb_so_CXXFLAGS = -fPIC -g -Wall $(SPEEXDSP)
+libcodec_speex_wb_so_LDFLAGS = --shared -lc -lspeex $(SPEEX_NIMP)
+INSTALL_SPEEX_WB_RULE = install-libcodec_speex_wb_so
+endif
+
 if BUILD_ILBC
 ILBC_LIB = libcodec_ilbc.so
 libcodec_ilbc_so_SOURCES = ilbc.cpp
@@ -32,7 +41,7 @@ INSTALL_ILBC_RULE = install-libcodec_ilbc_so
 SUBDIRS = ilbc
 endif
 
-noinst_PROGRAMS = libcodec_ulaw.so libcodec_alaw.so $(GSM_LIB) $(SPEEX_NB_LIB) $(ILBC_LIB) 
+noinst_PROGRAMS = libcodec_ulaw.so libcodec_alaw.so $(GSM_LIB) $(SPEEX_NB_LIB) $(SPEEX_WB_LIB) $(ILBC_LIB) 
 
 noinst_HEADERS = audiocodec.h
 
@@ -48,8 +57,8 @@ libcodec_alaw_so_LDFLAGS = --shared -lc
 
 
 
-install-exec-local:  install-libcodec_ulaw_so install-libcodec_alaw_so $(INSTALL_GSM_RULE) $(INSTALL_SPEEX_NB_RULE) $(INSTALL_ILBC_RULE) 
-uninstall-local:  uninstall-libcodec_ulaw_so uninstall-libcodec_alaw_so uninstall-libcodec_gsm_so uninstall-libcodec_speex_nb_so 
+install-exec-local:  install-libcodec_ulaw_so install-libcodec_alaw_so $(INSTALL_GSM_RULE) $(INSTALL_SPEEX_NB_RULE) $(INSTALL_SPEEX_WB_RULE) $(INSTALL_ILBC_RULE) 
+uninstall-local:  uninstall-libcodec_ulaw_so uninstall-libcodec_alaw_so uninstall-libcodec_gsm_so uninstall-libcodec_speex_nb_so uninstall-libcodec_speex_wb_so 
 
 install-libcodec_ulaw_so: libcodec_ulaw.so
 	mkdir -p $(sflcodecdir)
@@ -60,6 +69,8 @@ install-libcodec_gsm_so: libcodec_gsm.so
 	$(INSTALL_PROGRAM)  libcodec_gsm.so $(sflcodecdir)
 install-libcodec_speex_nb_so: libcodec_speex_nb.so
 	$(INSTALL_PROGRAM)  libcodec_speex_nb.so $(sflcodecdir)
+install-libcodec_speex_wb_so: libcodec_speex_wb.so
+	$(INSTALL_PROGRAM)  libcodec_speex_wb.so $(sflcodecdir)
 install-libcodec_ilbc_so: libcodec_ilbc.so
 	$(INSTALL_PROGRAM)  libcodec_ilbc.so $(sflcodecdir)
 
@@ -72,6 +83,8 @@ uninstall-libcodec_gsm_so:
 	rm -f $(sflcodecdir)/libcodec_gsm.so
 uninstall-libcodec_speex_nb_so:
 	rm -f $(sflcodecdir)/libcodec_speex_nb.so
+uninstall-libcodec_speex_wb_so:
+	rm -f $(sflcodecdir)/libcodec_speex_wb.so
 	rm -rf $(sflcodecdir)
 uninstall-libcodec_ilbc_so:
 	rm -f $(sflcodecdir)/libcodec_ilbc.so

src/audio/codecs/speexcodec_nb.cpp

@@ -145,7 +145,7 @@ class Speex : public AudioCodec{
 
 // the class factories
 extern "C" AudioCodec* create() {
-    return new Speex(111);
+    return new Speex(110);
 }
 
 extern "C" void destroy(AudioCodec* a) {

src/audio/codecs/speexcodec_wb.cpp

+/*
+ *  Copyright (C) 2007-2009 Savoir-Faire Linux inc.
+ *  Author: Alexandre Savard <alexandre.savard@savoirfairelinux.com>
+ *  Author: Emmanuel Milou <emmanuel.milou@savoirfairelinux.com>
+ *
+ *  This program 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 3 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include "audiocodec.h"
+#include <cstdio>
+#include <speex/speex.h>
+#include <speex/speex_preprocess.h>
+
+class Speex : public AudioCodec{
+    public:
+        Speex(int payload=0)
+            : AudioCodec(payload, "speex"),
+            _speexModePtr(NULL),
+            _speex_dec_bits(),
+            _speex_enc_bits(),
+            _speex_dec_state(),
+            _speex_enc_state(),
+            _speex_frame_size(),
+            _preprocess_state()
+    {
+        _clockRate = 16000;
+        _channel = 1;
+        _bitrate = 0;
+        _bandwidth = 0; 
+        initSpeex();
+    }
+
+        Speex( const Speex& );
+        Speex& operator=(const Speex&);
+
+        void initSpeex() { 
+
+            int _samplingRate = 16000; 
+
+            // 8000 HZ --> Narrow-band mode
+            // TODO Manage the other modes
+            _speexModePtr = &speex_wb_mode; 
+            // _speexModePtr = &speex_wb_mode; 
+
+            // Init the decoder struct
+            speex_bits_init(&_speex_dec_bits);
+            _speex_dec_state = speex_decoder_init(_speexModePtr);      
+
+            // Init the encoder struct
+            speex_bits_init(&_speex_enc_bits);
+            _speex_enc_state = speex_encoder_init(_speexModePtr);
+
+            speex_encoder_ctl(_speex_enc_state,SPEEX_SET_SAMPLING_RATE,&_clockRate);
+
+            speex_decoder_ctl(_speex_dec_state, SPEEX_GET_FRAME_SIZE, &_speex_frame_size);
+            
+#ifdef HAVE_SPEEXDSP_LIB
+
+            int enable = 1;
+            int quality = 10;
+            int complex = 10;
+            int attenuation = -10;
+
+            speex_encoder_ctl(_speex_enc_state, SPEEX_SET_VAD, &enable);
+            speex_encoder_ctl(_speex_enc_state, SPEEX_SET_DTX, &enable);
+            speex_encoder_ctl(_speex_enc_state, SPEEX_SET_VBR_QUALITY, &quality);
+            speex_encoder_ctl(_speex_enc_state, SPEEX_SET_COMPLEXITY, &complex);
+
+            // Init the decoder struct
+            speex_decoder_ctl(_speex_dec_state, SPEEX_GET_FRAME_SIZE, &_speex_frame_size);
+
+            // Init the preprocess struct
+            _preprocess_state = speex_preprocess_state_init(_speex_frame_size,_clockRate);
+            speex_preprocess_ctl(_preprocess_state, SPEEX_PREPROCESS_SET_DENOISE, &enable);
+            speex_preprocess_ctl(_preprocess_state, SPEEX_PREPROCESS_SET_NOISE_SUPPRESS, &attenuation);
+            speex_preprocess_ctl(_preprocess_state, SPEEX_PREPROCESS_SET_VAD, &enable);
+            speex_preprocess_ctl(_preprocess_state, SPEEX_PREPROCESS_SET_AGC, &enable);
+#endif
+            
+        }
+
+        ~Speex() 
+        {
+            terminateSpeex();
+        }
+
+        void terminateSpeex() {
+            // Destroy the decoder struct
+            speex_bits_destroy(&_speex_dec_bits);
+            speex_decoder_destroy(_speex_dec_state);
+            _speex_dec_state = 0;
+
+            // Destroy the encoder struct
+            speex_bits_destroy(&_speex_enc_bits);
+            speex_encoder_destroy(_speex_enc_state);
+            _speex_enc_state = 0;
+        }
+
+        virtual int codecDecode (short *dst, unsigned char *src, unsigned int size) 
+        {   
+            
+            int ratio = 320 / _speex_frame_size;
+            speex_bits_read_from(&_speex_dec_bits, (char*)src, size);
+            speex_decode_int(_speex_dec_state, &_speex_dec_bits, dst);
+
+            return 2 * _speex_frame_size * ratio; 
+        }
+
+        virtual int codecEncode (unsigned char *dst, short *src, unsigned int size) 
+        {
+            speex_bits_reset(&_speex_enc_bits);
+
+#ifdef HAVE_SPEEXDSP_LIB
+            
+            speex_preprocess_run(_preprocess_state, src);
+#endif 
+
+            speex_encode_int(_speex_enc_state, src, &_speex_enc_bits);
+            int nbBytes = speex_bits_write(&_speex_enc_bits, (char*)dst, size);
+            printf("Codec::codecEncode() nbBytes: %i \n",nbBytes);
+            return nbBytes;
+        }
+
+    private:
+        const SpeexMode* _speexModePtr;
+        SpeexBits  _speex_dec_bits;
+        SpeexBits  _speex_enc_bits;
+        void *_speex_dec_state;
+        void *_speex_enc_state;
+        int _speex_frame_size;
+        SpeexPreprocessState *_preprocess_state;
+};
+
+// the class factories
+extern "C" AudioCodec* create() {
+    return new Speex(111);
+}
+
+extern "C" void destroy(AudioCodec* a) {
+    delete a;
+}
+