configure: remove accel build options

The --disable-[accel name] switches of the configure script are a
nightmare to maintain. They break with every bump of FFmpeg, and don't
work right half the time.

Keep only global switch --disable-accel.

Change-Id: I6b645f7102abb3903c27d7dac7d70f7f15a5e728
Reviewed-by: Olivier Soldano <olivier.soldano@savoirfairelinux.com>

configure.ac

@@ -453,9 +453,6 @@ AS_IF([test "x$enable_video" != "xno"],
      ]);
 
 AC_ARG_ENABLE([accel], AS_HELP_STRING([--disable-accel], [Disable all hardware accelerations (enabled by default)]))
-AC_ARG_ENABLE([vdpau], AS_HELP_STRING([--disable-vdpau], [Disable VDPAU hardware acceleration (auto)]))
-AC_ARG_ENABLE([vaapi], AS_HELP_STRING([--disable-vaapi], [Disable VAAPI hardware acceleration (auto)]))
-AC_ARG_ENABLE([videotoolbox], AS_HELP_STRING([--disable-videotoolbox], [Disable VideoToolbox hardware acceleration (auto)]))
 AS_IF([test "x$enable_video" != "xno" -a "x$enable_accel" != "xno"], [
   ring_accel="yes"
   AC_DEFINE([RING_ACCEL], [1], [Hardware acceleration is enabled in Ring])
@@ -463,8 +460,6 @@ AS_IF([test "x$enable_video" != "xno" -a "x$enable_accel" != "xno"], [
     dnl ffmpeg's vaapi and vdpau implementations depend on x11
     PKG_CHECK_MODULES([X11], [x11], [x11_available="yes"], [x11_available="no"])
     AS_IF([test "${x11_available}" = "yes"], [
-      dnl vaapi for linux
-      AS_IF([test "x$enable_vaapi" != "xno"], [
       PKG_CHECK_MODULES([LIBVA], [libva], [
         PKG_CHECK_MODULES([LIBVA_DRM], [libva-drm], [
           AC_DEFINE([HAVE_VAAPI_ACCEL_DRM], [1], [Defined if vaapi via DRM is available])
@@ -477,9 +472,6 @@ AS_IF([test "x$enable_video" != "xno" -a "x$enable_accel" != "xno"], [
           AC_DEFINE([RING_VAAPI], [1], [Defined if vaapi is available in Ring])
         ])
       ], [])
-      ])
-      dnl vdpau linux
-      AS_IF([test "x$enable_vdpau" != "xno"], [
       PKG_CHECK_MODULES([VDPAU], [vdpau], [
         AC_CHECK_HEADERS([libavcodec/vdpau.h], [
           ring_vdpau="yes"
@@ -488,9 +480,7 @@ AS_IF([test "x$enable_video" != "xno" -a "x$enable_accel" != "xno"], [
       ], [])
     ])
   ])
-  ])
   AS_IF([test "${SYS}" = "darwin"], [
-    AS_IF([test "x$enable_videotoolbox" != "xno"], [
     AC_CHECK_HEADER([VideoToolbox/VideoToolbox.h], [
       AC_CHECK_HEADER([libavcodec/videotoolbox.h], [
         ring_vt="yes"
@@ -499,7 +489,6 @@ AS_IF([test "x$enable_video" != "xno" -a "x$enable_accel" != "xno"], [
     ])
   ])
 ])
-])
 AM_CONDITIONAL([RING_ACCEL], [test "x${ring_accel}" = "xyes"])
 AM_CONDITIONAL([RING_VAAPI], [test "x${ring_vaapi}" = "xyes"])
 AM_CONDITIONAL([RING_VDPAU], [test "x${ring_vdpau}" = "xyes"])