Merge commit '97bf7c03b1338a867da52c159a2afecbdedcfa88'

* commit '97bf7c03b1338a867da52c159a2afecbdedcfa88':
  doc: git-howto: Leave reviewers time to react before pushing patches
  Include libavutil/channel_layout.h instead of libavutil/audioconvert.h
  lavu: rename audioconvert.* to channel_layout.* and deprecate audioconvert.h

Conflicts:
	doc/APIchanges
	doc/examples/decoding_encoding.c
	doc/git-howto.texi
	ffmpeg_filter.c
	libavcodec/flacdec.c
	libavcodec/imc.c
	libavcodec/mpegaudiodec.c
	libavcodec/utils.c
	libavfilter/asrc_anullsrc.c
	libavfilter/audio.c
	libavfilter/avfilter.c
	libavfilter/avfilter.h
	libavfilter/avfiltergraph.c
	libavfilter/buffer.c
	libavutil/Makefile
	libavutil/audioconvert.h
	libavutil/channel_layout.c
	libavutil/version.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>

doc/APIchanges

@@ -110,6 +110,9 @@ API changes, most recent first:
 2012-03-26 - a67d9cf - lavfi 2.66.100
   Add avfilter_fill_frame_from_{audio_,}buffer_ref() functions.
 
+2012-xx-xx - xxxxxxx - lavu 52.2.0 - audioconvert.h
+  Rename audioconvert.h to channel_layout.h. audioconvert.h is now deprecated.
+
 2012-xx-xx - xxxxxxx - lavu 52.1.0 - intmath.h
   Add av_ctz() for trailing zero bit count
 

doc/examples/decoding_encoding.c

@@ -34,7 +34,7 @@
 
 #include <libavutil/opt.h>
 #include <libavcodec/avcodec.h>
-#include <libavutil/audioconvert.h>
+#include <libavutil/channel_layout.h>
 #include <libavutil/common.h>
 #include <libavutil/imgutils.h>
 #include <libavutil/mathematics.h>

doc/filters.texi

@@ -1093,7 +1093,7 @@ representing a channel layout. The default value of @var{channel_layout}
 is "stereo".
 
 Check the channel_layout_map definition in
-@file{libavcodec/audioconvert.c} for the mapping between strings and
+@file{libavutil/channel_layout.c} for the mapping between strings and
 channel layout values.
 
 @item nb_samples, n

ffmpeg.c

@@ -43,7 +43,7 @@
 #include "libswscale/swscale.h"
 #include "libswresample/swresample.h"
 #include "libavutil/opt.h"
-#include "libavutil/audioconvert.h"
+#include "libavutil/channel_layout.h"
 #include "libavutil/parseutils.h"
 #include "libavutil/samplefmt.h"
 #include "libavutil/colorspace.h"

ffmpeg_filter.c

@@ -24,10 +24,10 @@
 #include "libavfilter/avfiltergraph.h"
 #include "libavfilter/buffersink.h"
 
-#include "libavutil/audioconvert.h"
 #include "libavutil/avassert.h"
 #include "libavutil/avstring.h"
 #include "libavutil/bprint.h"
+#include "libavutil/channel_layout.h"
 #include "libavutil/pixdesc.h"
 #include "libavutil/pixfmt.h"
 #include "libavutil/imgutils.h"

ffmpeg_opt.c

@@ -30,10 +30,10 @@
 #include "libavfilter/avfilter.h"
 #include "libavfilter/avfiltergraph.h"
 
-#include "libavutil/audioconvert.h"
 #include "libavutil/avassert.h"
 #include "libavutil/avstring.h"
 #include "libavutil/avutil.h"
+#include "libavutil/channel_layout.h"
 #include "libavutil/intreadwrite.h"
 #include "libavutil/fifo.h"
 #include "libavutil/mathematics.h"

libavcodec/aacdectab.h

@@ -30,7 +30,7 @@
 #ifndef AVCODEC_AACDECTAB_H
 #define AVCODEC_AACDECTAB_H
 
-#include "libavutil/audioconvert.h"
+#include "libavutil/channel_layout.h"
 #include "aac.h"
 
 #include <stdint.h>

libavcodec/ac3_parser.c

@@ -20,11 +20,11 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#include "libavutil/channel_layout.h"
 #include "parser.h"
 #include "ac3_parser.h"
 #include "aac_ac3_parser.h"
 #include "get_bits.h"
-#include "libavutil/audioconvert.h"
 
 
 #define AC3_HEADER_SIZE 7

libavcodec/ac3enc.c

@@ -30,9 +30,9 @@
 
 #include <stdint.h>
 
-#include "libavutil/audioconvert.h"
 #include "libavutil/avassert.h"
 #include "libavutil/avstring.h"
+#include "libavutil/channel_layout.h"
 #include "libavutil/crc.h"
 #include "libavutil/opt.h"
 #include "avcodec.h"
@@ -40,7 +40,6 @@
 #include "dsputil.h"
 #include "ac3dsp.h"
 #include "ac3.h"
-#include "audioconvert.h"
 #include "fft.h"
 #include "ac3enc.h"
 #include "eac3enc.h"

libavcodec/ac3tab.c

@@ -24,7 +24,7 @@
  * tables taken directly from the AC-3 spec.
  */
 
-#include "libavutil/audioconvert.h"
+#include "libavutil/channel_layout.h"
 #include "avcodec.h"
 #include "ac3tab.h"
 

libavcodec/alac.c

@@ -45,7 +45,7 @@
  * 32bit  samplerate
  */
 
-#include "libavutil/audioconvert.h"
+#include "libavutil/channel_layout.h"
 #include "avcodec.h"
 #include "get_bits.h"
 #include "bytestream.h"

libavcodec/amrnbdec.c

@@ -43,7 +43,7 @@
 #include <string.h>
 #include <math.h>
 
-#include "libavutil/audioconvert.h"
+#include "libavutil/channel_layout.h"
 #include "avcodec.h"
 #include "dsputil.h"
 #include "libavutil/common.h"

libavcodec/amrwbdec.c

@@ -24,7 +24,7 @@
  * AMR wideband decoder
  */
 
-#include "libavutil/audioconvert.h"
+#include "libavutil/channel_layout.h"
 #include "libavutil/common.h"
 #include "libavutil/lfg.h"
 

libavcodec/apedec.c

@@ -20,12 +20,12 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#include "libavutil/avassert.h"
+#include "libavutil/channel_layout.h"
+#include "libavutil/opt.h"
 #include "avcodec.h"
 #include "dsputil.h"
 #include "bytestream.h"
-#include "libavutil/audioconvert.h"
-#include "libavutil/avassert.h"
-#include "libavutil/opt.h"
 
 /**
  * @file

libavcodec/audioconvert.h

@@ -31,7 +31,7 @@
 
 #include "libavutil/cpu.h"
 #include "avcodec.h"
-#include "libavutil/audioconvert.h"
+#include "libavutil/channel_layout.h"
 
 struct AVAudioConvert;
 typedef struct AVAudioConvert AVAudioConvert;

libavcodec/bmv.c

@@ -19,7 +19,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#include "libavutil/audioconvert.h"
+#include "libavutil/channel_layout.h"
 #include "avcodec.h"
 #include "bytestream.h"
 #include "libavutil/avassert.h"

libavcodec/cook.c

@@ -42,13 +42,13 @@
  * available.
  */
 
+#include "libavutil/channel_layout.h"
 #include "libavutil/lfg.h"
 #include "avcodec.h"
 #include "get_bits.h"
 #include "dsputil.h"
 #include "bytestream.h"
 #include "fft.h"
-#include "libavutil/audioconvert.h"
 #include "sinewin.h"
 
 #include "cookdata.h"

libavcodec/dcadec.c

@@ -26,12 +26,12 @@
 #include <stddef.h>
 #include <stdio.h>
 
+#include "libavutil/channel_layout.h"
 #include "libavutil/common.h"
 #include "libavutil/float_dsp.h"
 #include "libavutil/intmath.h"
 #include "libavutil/intreadwrite.h"
 #include "libavutil/mathematics.h"
-#include "libavutil/audioconvert.h"
 #include "libavutil/samplefmt.h"
 #include "avcodec.h"
 #include "dsputil.h"

libavcodec/dsicinav.c

@@ -24,7 +24,7 @@
  * Delphine Software International CIN audio/video decoders
  */
 
-#include "libavutil/audioconvert.h"
+#include "libavutil/channel_layout.h"
 #include "avcodec.h"
 #include "bytestream.h"
 #include "mathops.h"

libavcodec/flac.c

@@ -19,7 +19,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#include "libavutil/audioconvert.h"
+#include "libavutil/channel_layout.h"
 #include "libavutil/crc.h"
 #include "libavutil/log.h"
 #include "bytestream.h"

libavcodec/flacdec.c

@@ -33,8 +33,8 @@
 
 #include <limits.h>
 
-#include "libavutil/audioconvert.h"
 #include "libavutil/avassert.h"
+#include "libavutil/channel_layout.h"
 #include "libavutil/crc.h"
 #include "avcodec.h"
 #include "internal.h"

libavcodec/g722dec.c

@@ -34,11 +34,11 @@
  *       respectively of each byte are ignored.
  */
 
-#include "libavutil/audioconvert.h"
+#include "libavutil/channel_layout.h"
+#include "libavutil/opt.h"
 #include "avcodec.h"
 #include "get_bits.h"
 #include "g722.h"
-#include "libavutil/opt.h"
 
 #define OFFSET(x) offsetof(G722Context, x)
 #define AD AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM

libavcodec/g723_1.c

@@ -26,7 +26,7 @@
  */
 
 #define BITSTREAM_READER_LE
-#include "libavutil/audioconvert.h"
+#include "libavutil/channel_layout.h"
 #include "libavutil/mem.h"
 #include "libavutil/opt.h"
 #include "avcodec.h"

libavcodec/g726.c

@@ -23,8 +23,8 @@
  */
 #include <limits.h>
 
-#include "libavutil/audioconvert.h"
 #include "libavutil/avassert.h"
+#include "libavutil/channel_layout.h"
 #include "libavutil/opt.h"
 #include "avcodec.h"
 #include "internal.h"

libavcodec/gsmdec.c

@@ -24,7 +24,7 @@
  * GSM decoder
  */
 
-#include "libavutil/audioconvert.h"
+#include "libavutil/channel_layout.h"
 #include "avcodec.h"
 #include "get_bits.h"
 #include "msgsmdec.h"

libavcodec/imc.c

@@ -35,12 +35,12 @@
 #include <stddef.h>
 #include <stdio.h>
 
+#include "libavutil/channel_layout.h"
+#include "libavutil/libm.h"
 #include "avcodec.h"
 #include "get_bits.h"
 #include "dsputil.h"
 #include "fft.h"
-#include "libavutil/audioconvert.h"
-#include "libavutil/libm.h"
 #include "sinewin.h"
 
 #include "imcdata.h"

libavcodec/libfaac.c

@@ -26,11 +26,11 @@
 
 #include <faac.h>
 
+#include "libavutil/channel_layout.h"
+#include "libavutil/common.h"
 #include "avcodec.h"
 #include "audio_frame_queue.h"
 #include "internal.h"
-#include "libavutil/audioconvert.h"
-#include "libavutil/common.h"
 
 
 /* libfaac has an encoder delay of 1024 samples */

libavcodec/libfdk-aacenc.c

@@ -21,12 +21,12 @@
 
 #include <fdk-aac/aacenc_lib.h>
 
+#include "libavutil/channel_layout.h"
+#include "libavutil/common.h"
+#include "libavutil/opt.h"
 #include "avcodec.h"
 #include "audio_frame_queue.h"
 #include "internal.h"
-#include "libavutil/audioconvert.h"
-#include "libavutil/common.h"
-#include "libavutil/opt.h"
 
 typedef struct AACContext {
     const AVClass *class;

libavcodec/libgsm.c

@@ -29,11 +29,11 @@
 
 #include <gsm/gsm.h>
 
-#include "libavutil/audioconvert.h"
+#include "libavutil/channel_layout.h"
+#include "libavutil/common.h"
 #include "avcodec.h"
 #include "internal.h"
 #include "gsm.h"
-#include "libavutil/common.h"
 
 static av_cold int libgsm_encode_close(AVCodecContext *avctx) {
 #if FF_API_OLD_ENCODE_AUDIO

libavcodec/libilbc.c

@@ -21,10 +21,10 @@
 
 #include <ilbc.h>
 
-#include "libavutil/audioconvert.h"
-#include "avcodec.h"
+#include "libavutil/channel_layout.h"
 #include "libavutil/common.h"
 #include "libavutil/opt.h"
+#include "avcodec.h"
 #include "internal.h"
 
 static int get_mode(AVCodecContext *avctx)

libavcodec/libmp3lame.c

@@ -26,7 +26,7 @@
 
 #include <lame/lame.h>
 
-#include "libavutil/audioconvert.h"
+#include "libavutil/channel_layout.h"
 #include "libavutil/common.h"
 #include "libavutil/intreadwrite.h"
 #include "libavutil/log.h"

libavcodec/libopencore-amr.c

@@ -19,11 +19,11 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#include "libavutil/audioconvert.h"
-#include "avcodec.h"
 #include "libavutil/avstring.h"
+#include "libavutil/channel_layout.h"
 #include "libavutil/common.h"
 #include "libavutil/opt.h"
+#include "avcodec.h"
 #include "audio_frame_queue.h"
 #include "internal.h"
 

libavcodec/libspeexdec.c

@@ -23,7 +23,7 @@
 #include <speex/speex_stereo.h>
 #include <speex/speex_callbacks.h>
 
-#include "libavutil/audioconvert.h"
+#include "libavutil/channel_layout.h"
 #include "libavutil/common.h"
 #include "avcodec.h"
 

libavcodec/libspeexenc.c

@@ -85,7 +85,7 @@
 #include <speex/speex_header.h>
 #include <speex/speex_stereo.h>
 
-#include "libavutil/audioconvert.h"
+#include "libavutil/channel_layout.h"
 #include "libavutil/common.h"
 #include "libavutil/opt.h"
 #include "avcodec.h"

libavcodec/mlp_parser.c

@@ -26,8 +26,8 @@
 
 #include <stdint.h>
 
+#include "libavutil/channel_layout.h"
 #include "libavutil/crc.h"
-#include "libavutil/audioconvert.h"
 #include "get_bits.h"
 #include "parser.h"
 #include "mlp_parser.h"

libavcodec/mpc7.c

@@ -25,12 +25,12 @@
  * divided into 32 subbands.
  */
 
+#include "libavutil/channel_layout.h"
 #include "libavutil/lfg.h"
 #include "avcodec.h"
 #include "get_bits.h"
 #include "dsputil.h"
 #include "mpegaudiodsp.h"
-#include "libavutil/audioconvert.h"
 
 #include "mpc.h"
 #include "mpc7data.h"

libavcodec/mpc8.c

@@ -25,12 +25,12 @@
  * divided into 32 subbands.
  */
 
+#include "libavutil/channel_layout.h"
 #include "libavutil/lfg.h"
 #include "avcodec.h"
 #include "get_bits.h"
 #include "dsputil.h"
 #include "mpegaudiodsp.h"
-#include "libavutil/audioconvert.h"
 
 #include "mpc.h"
 #include "mpc8data.h"

libavcodec/mpegaudiodec.c

@@ -24,8 +24,8 @@
  * MPEG Audio decoder
  */
 
-#include "libavutil/audioconvert.h"
 #include "libavutil/avassert.h"
+#include "libavutil/channel_layout.h"
 #include "libavutil/libm.h"
 #include "avcodec.h"
 #include "get_bits.h"

libavcodec/mpegaudioenc.c

@@ -24,7 +24,7 @@
  * The simplest mpeg audio layer 2 encoder.
  */
 
-#include "libavutil/audioconvert.h"
+#include "libavutil/channel_layout.h"
 
 #include "avcodec.h"
 #include "internal.h"

libavcodec/nellymoserdec.c

@@ -31,14 +31,14 @@
  * implementors. The original code is available from http://code.google.com/p/nelly2pcm/
  */
 
-#include "nellymoser.h"
+#include "libavutil/channel_layout.h"
 #include "libavutil/lfg.h"
 #include "libavutil/random_seed.h"
-#include "libavutil/audioconvert.h"
 #include "avcodec.h"
 #include "dsputil.h"
 #include "fft.h"
 #include "fmtconvert.h"
+#include "nellymoser.h"
 #include "sinewin.h"
 
 #define BITSTREAM_READER_LE

libavcodec/pcm-mpeg.c

@@ -24,7 +24,7 @@
  * PCM codecs for encodings found in MPEG streams (DVD/Blu-ray)
  */
 
-#include "libavutil/audioconvert.h"
+#include "libavutil/channel_layout.h"
 #include "avcodec.h"
 #include "bytestream.h"
 

libavcodec/qcelpdec.c

@@ -29,7 +29,7 @@
 
 #include <stddef.h>
 
-#include "libavutil/audioconvert.h"
+#include "libavutil/channel_layout.h"
 #include "avcodec.h"
 #include "internal.h"
 #include "get_bits.h"

libavcodec/qdm2.c

@@ -36,7 +36,7 @@
 #include <stdio.h>
 
 #define BITSTREAM_READER_LE
-#include "libavutil/audioconvert.h"
+#include "libavutil/channel_layout.h"
 #include "avcodec.h"
 #include "get_bits.h"
 #include "dsputil.h"

libavcodec/ra144dec.c

@@ -22,7 +22,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#include "libavutil/audioconvert.h"
+#include "libavutil/channel_layout.h"
 #include "libavutil/intmath.h"
 #include "avcodec.h"
 #include "get_bits.h"

libavcodec/ra288.c

@@ -19,7 +19,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#include "libavutil/audioconvert.h"
+#include "libavutil/channel_layout.h"
 #include "libavutil/float_dsp.h"
 #include "avcodec.h"
 #define BITSTREAM_READER_LE

libavcodec/ralf.c

@@ -26,11 +26,11 @@
  * Dedicated to the mastermind behind it, Ralph Wiggum.
  */
 
+#include "libavutil/channel_layout.h"
 #include "avcodec.h"
 #include "get_bits.h"
 #include "golomb.h"
 #include "unary.h"
-#include "libavutil/audioconvert.h"
 #include "ralfdata.h"
 
 #define FILTER_NONE 0

libavcodec/sipr.c

@@ -25,7 +25,7 @@
 #include <stdint.h>
 #include <string.h>
 
-#include "libavutil/audioconvert.h"
+#include "libavutil/channel_layout.h"
 #include "libavutil/mathematics.h"
 #include "avcodec.h"
 #define BITSTREAM_READER_LE

libavcodec/smacker.c

@@ -31,8 +31,8 @@
 #include <stdio.h>
 #include <stdlib.h>
 
+#include "libavutil/channel_layout.h"
 #include "avcodec.h"
-#include "libavutil/audioconvert.h"
 #include "mathops.h"
 
 #define BITSTREAM_READER_LE

libavcodec/truespeech.c

@@ -19,7 +19,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#include "libavutil/audioconvert.h"
+#include "libavutil/channel_layout.h"
 #include "libavutil/intreadwrite.h"
 #include "avcodec.h"
 #include "dsputil.h"

libavcodec/twinvq.c

@@ -19,7 +19,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#include "libavutil/audioconvert.h"
+#include "libavutil/channel_layout.h"
 #include "libavutil/float_dsp.h"
 #include "avcodec.h"
 #include "get_bits.h"

libavcodec/utils.c

@@ -27,10 +27,10 @@
 
 #include "libavutil/avassert.h"
 #include "libavutil/avstring.h"
+#include "libavutil/channel_layout.h"
 #include "libavutil/crc.h"
 #include "libavutil/mathematics.h"
 #include "libavutil/pixdesc.h"
-#include "libavutil/audioconvert.h"
 #include "libavutil/imgutils.h"
 #include "libavutil/samplefmt.h"
 #include "libavutil/dict.h"
@@ -40,7 +40,6 @@
 #include "libavutil/opt.h"
 #include "thread.h"
 #include "frame_thread_encoder.h"
-#include "audioconvert.h"
 #include "internal.h"
 #include "bytestream.h"
 #include <stdlib.h>

libavcodec/vmdav.c

@@ -43,7 +43,7 @@
 #include <stdlib.h>
 #include <string.h>
 
-#include "libavutil/audioconvert.h"
+#include "libavutil/channel_layout.h"
 #include "libavutil/common.h"
 #include "libavutil/intreadwrite.h"
 #include "avcodec.h"

libavcodec/vorbis_data.c

@@ -18,10 +18,10 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#include "libavutil/channel_layout.h"
+#include "libavutil/mem.h"
 #include "dsputil.h"
 #include "vorbis.h"
-#include "libavutil/audioconvert.h"
-#include "libavutil/mem.h"
 
 const uint8_t ff_vorbis_channel_layout_offsets[8][8] = {
     { 0 },

libavcodec/wavpack.c

@@ -21,7 +21,7 @@
 
 #define BITSTREAM_READER_LE
 
-#include "libavutil/audioconvert.h"
+#include "libavutil/channel_layout.h"
 #include "avcodec.h"
 #include "get_bits.h"
 #include "unary.h"

libavcodec/wmavoice.c

@@ -29,7 +29,7 @@
 
 #include <math.h>
 
-#include "libavutil/audioconvert.h"
+#include "libavutil/channel_layout.h"
 #include "libavutil/mem.h"
 #include "dsputil.h"
 #include "avcodec.h"

libavcodec/ws-snd1.c

@@ -21,7 +21,7 @@
 
 #include <stdint.h>
 
-#include "libavutil/audioconvert.h"
+#include "libavutil/channel_layout.h"
 #include "libavutil/common.h"
 #include "libavutil/intreadwrite.h"
 #include "avcodec.h"

libavdevice/alsa-audio-common.c

@@ -31,7 +31,7 @@
 #include <alsa/asoundlib.h>
 #include "avdevice.h"
 #include "libavutil/avassert.h"
-#include "libavutil/audioconvert.h"
+#include "libavutil/channel_layout.h"
 
 #include "alsa-audio.h"
 

libavfilter/af_aformat.c

@@ -23,8 +23,8 @@
  * format audio filter
  */
 
-#include "libavutil/audioconvert.h"
 #include "libavutil/avstring.h"
+#include "libavutil/channel_layout.h"
 #include "libavutil/common.h"
 #include "libavutil/opt.h"
 

libavfilter/af_amix.c

@@ -28,10 +28,10 @@
  * output.
  */
 
-#include "libavutil/audioconvert.h"
 #include "libavutil/audio_fifo.h"
 #include "libavutil/avassert.h"
 #include "libavutil/avstring.h"
+#include "libavutil/channel_layout.h"
 #include "libavutil/common.h"
 #include "libavutil/float_dsp.h"
 #include "libavutil/mathematics.h"

libavfilter/af_ashowinfo.c

@@ -27,7 +27,7 @@
 #include <stddef.h>
 
 #include "libavutil/adler32.h"
-#include "libavutil/audioconvert.h"
+#include "libavutil/channel_layout.h"
 #include "libavutil/common.h"
 #include "libavutil/mem.h"
 #include "libavutil/timestamp.h"

libavfilter/af_channelmap.c

@@ -25,8 +25,8 @@
 
 #include <ctype.h>
 
-#include "libavutil/audioconvert.h"
 #include "libavutil/avstring.h"
+#include "libavutil/channel_layout.h"
 #include "libavutil/common.h"
 #include "libavutil/mathematics.h"
 #include "libavutil/opt.h"

libavfilter/af_channelsplit.c

@@ -23,7 +23,7 @@
  * Split an audio stream into per-channel streams.
  */
 
-#include "libavutil/audioconvert.h"
+#include "libavutil/channel_layout.h"
 #include "libavutil/internal.h"
 #include "libavutil/opt.h"
 

libavfilter/af_join.c

@@ -25,8 +25,8 @@
  * a single output
  */
 
-#include "libavutil/audioconvert.h"
 #include "libavutil/avassert.h"
+#include "libavutil/channel_layout.h"
 #include "libavutil/common.h"
 #include "libavutil/opt.h"
 

libavfilter/asrc_anullsrc.c

@@ -27,14 +27,13 @@
 #include <inttypes.h>
 #include <stdio.h>
 
+#include "libavutil/channel_layout.h"
+#include "libavutil/internal.h"
+#include "libavutil/opt.h"
 #include "audio.h"
 #include "avfilter.h"
 #include "internal.h"
 
-#include "libavutil/audioconvert.h"
-#include "libavutil/internal.h"
-#include "libavutil/opt.h"
-
 typedef struct {
     const AVClass *class;
     char   *channel_layout_str;

libavfilter/audio.c

@@ -20,7 +20,7 @@
  */
 
 #include "libavutil/avassert.h"
-#include "libavutil/audioconvert.h"
+#include "libavutil/channel_layout.h"
 #include "libavutil/common.h"
 
 #include "audio.h"

libavfilter/avfilter.c

@@ -19,12 +19,12 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#include "libavutil/avassert.h"
+#include "libavutil/avstring.h"
+#include "libavutil/channel_layout.h"
 #include "libavutil/common.h"
 #include "libavutil/pixdesc.h"
 #include "libavutil/rational.h"
-#include "libavutil/audioconvert.h"
-#include "libavutil/avassert.h"
-#include "libavutil/avstring.h"
 
 #include "avfilter.h"
 #include "formats.h"

libavfilter/avfilter.h

@@ -534,7 +534,7 @@ struct AVFilterLink {
     int h;                      ///< agreed upon image height
     AVRational sample_aspect_ratio; ///< agreed upon sample aspect ratio
     /* These parameters apply only to audio */
-    uint64_t channel_layout;    ///< channel layout of current buffer (see libavutil/audioconvert.h)
+    uint64_t channel_layout;    ///< channel layout of current buffer (see libavutil/channel_layout.h)
     int sample_rate;            ///< samples per second
 
     int format;                 ///< agreed upon media format

libavfilter/avfiltergraph.c

@@ -23,8 +23,8 @@
 #include <ctype.h>
 #include <string.h>
 
-#include "libavutil/audioconvert.h"
 #include "libavutil/avassert.h"
+#include "libavutil/channel_layout.h"
 #include "libavutil/pixdesc.h"
 #include "libavcodec/avcodec.h" // avcodec_find_best_pix_fmt_of_2()
 #include "avfilter.h"
@@ -32,11 +32,6 @@
 #include "formats.h"
 #include "internal.h"
 
-#include "libavutil/audioconvert.h"
-#include "libavutil/avassert.h"
-#include "libavutil/common.h"
-#include "libavutil/log.h"
-
 static const AVClass filtergraph_class = {
     .class_name = "AVFilterGraph",
     .item_name  = av_default_item_name,

libavfilter/buffer.c

@@ -20,7 +20,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#include "libavutil/audioconvert.h"
+#include "libavutil/channel_layout.h"
 #include "libavutil/avassert.h"
 #include "libavutil/common.h"
 #include "libavutil/imgutils.h"

libavfilter/buffersink.c

@@ -24,8 +24,8 @@
  */
 
 #include "libavutil/audio_fifo.h"
-#include "libavutil/audioconvert.h"
 #include "libavutil/avassert.h"
+#include "libavutil/channel_layout.h"
 #include "libavutil/common.h"
 #include "libavutil/mathematics.h"
 

libavfilter/buffersrc.c

@@ -23,6 +23,12 @@
  * memory buffer source filter
  */
 
+#include "libavutil/channel_layout.h"
+#include "libavutil/common.h"
+#include "libavutil/fifo.h"
+#include "libavutil/imgutils.h"
+#include "libavutil/opt.h"
+#include "libavutil/samplefmt.h"
 #include "audio.h"
 #include "avfilter.h"
 #include "buffersrc.h"
@@ -31,13 +37,6 @@
 #include "video.h"
 #include "avcodec.h"
 
-#include "libavutil/audioconvert.h"
-#include "libavutil/common.h"
-#include "libavutil/fifo.h"
-#include "libavutil/imgutils.h"
-#include "libavutil/opt.h"
-#include "libavutil/samplefmt.h"
-
 typedef struct {
     const AVClass    *class;
     AVFifoBuffer     *fifo;

libavfilter/fifo.c

@@ -24,7 +24,7 @@
  */
 
 #include "libavutil/avassert.h"
-#include "libavutil/audioconvert.h"
+#include "libavutil/channel_layout.h"
 #include "libavutil/common.h"
 #include "libavutil/mathematics.h"
 #include "libavutil/samplefmt.h"

libavformat/aea.c

@@ -20,10 +20,10 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#include "libavutil/channel_layout.h"
+#include "libavutil/intreadwrite.h"
 #include "avformat.h"
 #include "pcm.h"
-#include "libavutil/intreadwrite.h"
-#include "libavutil/audioconvert.h"
 
 #define AT1_SU_SIZE     212
 

libavformat/flic.c

@@ -31,8 +31,8 @@
  * special FLIs from the PC games "Magic Carpet" and "X-COM: Terror from the Deep".
  */
 
+#include "libavutil/channel_layout.h"
 #include "libavutil/intreadwrite.h"
-#include "libavutil/audioconvert.h"
 #include "avformat.h"
 #include "internal.h"
 

libavformat/g723_1.c

@@ -24,7 +24,7 @@
  * G.723.1 demuxer
  */
 
-#include "libavutil/audioconvert.h"
+#include "libavutil/channel_layout.h"
 #include "avformat.h"
 #include "internal.h"
 

libavformat/mov.c

@@ -26,7 +26,7 @@
 //#define MOV_EXPORT_ALL_METADATA
 
 #include "libavutil/attributes.h"
-#include "libavutil/audioconvert.h"
+#include "libavutil/channel_layout.h"
 #include "libavutil/intreadwrite.h"
 #include "libavutil/intfloat.h"
 #include "libavutil/mathematics.h"

libavformat/mov_chan.c

@@ -25,7 +25,7 @@
 
 #include <stdint.h>
 
-#include "libavutil/audioconvert.h"
+#include "libavutil/channel_layout.h"
 #include "libavcodec/avcodec.h"
 #include "mov_chan.h"
 

libavformat/wv.c

@@ -19,7 +19,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#include "libavutil/audioconvert.h"
+#include "libavutil/channel_layout.h"
 #include "libavutil/intreadwrite.h"
 #include "libavutil/dict.h"
 #include "avformat.h"

libavresample/avresample.h

@@ -93,8 +93,8 @@
  *  avresample_free().
  */
 
-#include "libavutil/audioconvert.h"
 #include "libavutil/avutil.h"
+#include "libavutil/channel_layout.h"
 #include "libavutil/dict.h"
 #include "libavutil/log.h"
 

libavutil/Makefile

@@ -14,6 +14,7 @@ HEADERS = adler32.h                                                     \
           blowfish.h                                                    \
           bprint.h                                                      \
           bswap.h                                                       \
+          channel_layout.h                                              \
           common.h                                                      \
           cpu.h                                                         \
           crc.h                                                         \
@@ -58,11 +59,11 @@ BUILT_HEADERS = avconfig.h
 OBJS = adler32.o                                                        \
        aes.o                                                            \
        audio_fifo.o                                                     \
-       audioconvert.o                                                   \
        avstring.o                                                       \
        base64.o                                                         \
        blowfish.o                                                       \
        bprint.o                                                         \
+       channel_layout.o                                                 \
        cpu.o                                                            \
        crc.o                                                            \
        des.o                                                            \

libavutil/audioconvert.h

@@ -1,208 +1,6 @@
-/*
- * Copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
- * Copyright (c) 2008 Peter Ross
- *
- * This file is part of FFmpeg.
- *
- * FFmpeg is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * FFmpeg 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
 
-#ifndef AVUTIL_AUDIOCONVERT_H
-#define AVUTIL_AUDIOCONVERT_H
+#include "version.h"
 
-#include <stdint.h>
-
-/**
- * @file
- * audio conversion routines
- */
-
-/**
- * @addtogroup lavu_audio
- * @{
- */
-
-/**
- * @defgroup channel_masks Audio channel masks
- * @{
- */
-#define AV_CH_FRONT_LEFT             0x00000001
-#define AV_CH_FRONT_RIGHT            0x00000002
-#define AV_CH_FRONT_CENTER           0x00000004
-#define AV_CH_LOW_FREQUENCY          0x00000008
-#define AV_CH_BACK_LEFT              0x00000010
-#define AV_CH_BACK_RIGHT             0x00000020
-#define AV_CH_FRONT_LEFT_OF_CENTER   0x00000040
-#define AV_CH_FRONT_RIGHT_OF_CENTER  0x00000080
-#define AV_CH_BACK_CENTER            0x00000100
-#define AV_CH_SIDE_LEFT              0x00000200
-#define AV_CH_SIDE_RIGHT             0x00000400
-#define AV_CH_TOP_CENTER             0x00000800
-#define AV_CH_TOP_FRONT_LEFT         0x00001000
-#define AV_CH_TOP_FRONT_CENTER       0x00002000
-#define AV_CH_TOP_FRONT_RIGHT        0x00004000
-#define AV_CH_TOP_BACK_LEFT          0x00008000
-#define AV_CH_TOP_BACK_CENTER        0x00010000
-#define AV_CH_TOP_BACK_RIGHT         0x00020000
-#define AV_CH_STEREO_LEFT            0x20000000  ///< Stereo downmix.
-#define AV_CH_STEREO_RIGHT           0x40000000  ///< See AV_CH_STEREO_LEFT.
-#define AV_CH_WIDE_LEFT              0x0000000080000000ULL
-#define AV_CH_WIDE_RIGHT             0x0000000100000000ULL
-#define AV_CH_SURROUND_DIRECT_LEFT   0x0000000200000000ULL
-#define AV_CH_SURROUND_DIRECT_RIGHT  0x0000000400000000ULL
-#define AV_CH_LOW_FREQUENCY_2        0x0000000800000000ULL
-
-/** Channel mask value used for AVCodecContext.request_channel_layout
-    to indicate that the user requests the channel order of the decoder output
-    to be the native codec channel order. */
-#define AV_CH_LAYOUT_NATIVE          0x8000000000000000ULL
-
-/**
- * @}
- * @defgroup channel_mask_c Audio channel convenience macros
- * @{
- * */
-#define AV_CH_LAYOUT_MONO              (AV_CH_FRONT_CENTER)
-#define AV_CH_LAYOUT_STEREO            (AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT)
-#define AV_CH_LAYOUT_2POINT1           (AV_CH_LAYOUT_STEREO|AV_CH_LOW_FREQUENCY)
-#define AV_CH_LAYOUT_2_1               (AV_CH_LAYOUT_STEREO|AV_CH_BACK_CENTER)
-#define AV_CH_LAYOUT_SURROUND          (AV_CH_LAYOUT_STEREO|AV_CH_FRONT_CENTER)
-#define AV_CH_LAYOUT_3POINT1           (AV_CH_LAYOUT_SURROUND|AV_CH_LOW_FREQUENCY)
-#define AV_CH_LAYOUT_4POINT0           (AV_CH_LAYOUT_SURROUND|AV_CH_BACK_CENTER)
-#define AV_CH_LAYOUT_4POINT1           (AV_CH_LAYOUT_4POINT0|AV_CH_LOW_FREQUENCY)
-#define AV_CH_LAYOUT_2_2               (AV_CH_LAYOUT_STEREO|AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT)
-#define AV_CH_LAYOUT_QUAD              (AV_CH_LAYOUT_STEREO|AV_CH_BACK_LEFT|AV_CH_BACK_RIGHT)
-#define AV_CH_LAYOUT_5POINT0           (AV_CH_LAYOUT_SURROUND|AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT)
-#define AV_CH_LAYOUT_5POINT1           (AV_CH_LAYOUT_5POINT0|AV_CH_LOW_FREQUENCY)
-#define AV_CH_LAYOUT_5POINT0_BACK      (AV_CH_LAYOUT_SURROUND|AV_CH_BACK_LEFT|AV_CH_BACK_RIGHT)
-#define AV_CH_LAYOUT_5POINT1_BACK      (AV_CH_LAYOUT_5POINT0_BACK|AV_CH_LOW_FREQUENCY)
-#define AV_CH_LAYOUT_6POINT0           (AV_CH_LAYOUT_5POINT0|AV_CH_BACK_CENTER)
-#define AV_CH_LAYOUT_6POINT0_FRONT     (AV_CH_LAYOUT_2_2|AV_CH_FRONT_LEFT_OF_CENTER|AV_CH_FRONT_RIGHT_OF_CENTER)
-#define AV_CH_LAYOUT_HEXAGONAL         (AV_CH_LAYOUT_5POINT0_BACK|AV_CH_BACK_CENTER)
-#define AV_CH_LAYOUT_6POINT1           (AV_CH_LAYOUT_5POINT1|AV_CH_BACK_CENTER)
-#define AV_CH_LAYOUT_6POINT1_BACK      (AV_CH_LAYOUT_5POINT1_BACK|AV_CH_BACK_CENTER)
-#define AV_CH_LAYOUT_6POINT1_FRONT     (AV_CH_LAYOUT_6POINT0_FRONT|AV_CH_LOW_FREQUENCY)
-#define AV_CH_LAYOUT_7POINT0           (AV_CH_LAYOUT_5POINT0|AV_CH_BACK_LEFT|AV_CH_BACK_RIGHT)
-#define AV_CH_LAYOUT_7POINT0_FRONT     (AV_CH_LAYOUT_5POINT0|AV_CH_FRONT_LEFT_OF_CENTER|AV_CH_FRONT_RIGHT_OF_CENTER)
-#define AV_CH_LAYOUT_7POINT1           (AV_CH_LAYOUT_5POINT1|AV_CH_BACK_LEFT|AV_CH_BACK_RIGHT)
-#define AV_CH_LAYOUT_7POINT1_WIDE      (AV_CH_LAYOUT_5POINT1|AV_CH_FRONT_LEFT_OF_CENTER|AV_CH_FRONT_RIGHT_OF_CENTER)
-#define AV_CH_LAYOUT_7POINT1_WIDE_BACK (AV_CH_LAYOUT_5POINT1_BACK|AV_CH_FRONT_LEFT_OF_CENTER|AV_CH_FRONT_RIGHT_OF_CENTER)
-#define AV_CH_LAYOUT_OCTAGONAL         (AV_CH_LAYOUT_5POINT0|AV_CH_BACK_LEFT|AV_CH_BACK_CENTER|AV_CH_BACK_RIGHT)
-#define AV_CH_LAYOUT_STEREO_DOWNMIX    (AV_CH_STEREO_LEFT|AV_CH_STEREO_RIGHT)
-
-enum AVMatrixEncoding {
-    AV_MATRIX_ENCODING_NONE,
-    AV_MATRIX_ENCODING_DOLBY,
-    AV_MATRIX_ENCODING_DPLII,
-    AV_MATRIX_ENCODING_NB
-};
-
-/**
- * @}
- */
-
-/**
- * Return a channel layout id that matches name, or 0 if no match is found.
- *
- * name can be one or several of the following notations,
- * separated by '+' or '|':
- * - the name of an usual channel layout (mono, stereo, 4.0, quad, 5.0,
- *   5.0(side), 5.1, 5.1(side), 7.1, 7.1(wide), downmix);
- * - the name of a single channel (FL, FR, FC, LFE, BL, BR, FLC, FRC, BC,
- *   SL, SR, TC, TFL, TFC, TFR, TBL, TBC, TBR, DL, DR);
- * - a number of channels, in decimal, optionally followed by 'c', yielding
- *   the default channel layout for that number of channels (@see
- *   av_get_default_channel_layout);
- * - a channel layout mask, in hexadecimal starting with "0x" (see the
- *   AV_CH_* macros).
- *
- * Example: "stereo+FC" = "2+FC" = "2c+1c" = "0x7"
- */
-uint64_t av_get_channel_layout(const char *name);
-
-/**
- * Return a description of a channel layout.
- * If nb_channels is <= 0, it is guessed from the channel_layout.
- *
- * @param buf put here the string containing the channel layout
- * @param buf_size size in bytes of the buffer
- */
-void av_get_channel_layout_string(char *buf, int buf_size, int nb_channels, uint64_t channel_layout);
-
-struct AVBPrint;
-/**
- * Append a description of a channel layout to a bprint buffer.
- */
-void av_bprint_channel_layout(struct AVBPrint *bp, int nb_channels, uint64_t channel_layout);
-
-/**
- * Return the number of channels in the channel layout.
- */
-int av_get_channel_layout_nb_channels(uint64_t channel_layout);
-
-/**
- * Return default channel layout for a given number of channels.
- */
-int64_t av_get_default_channel_layout(int nb_channels);
-
-/**
- * Get the index of a channel in channel_layout.
- *
- * @param channel a channel layout describing exactly one channel which must be
- *                present in channel_layout.
- *
- * @return index of channel in channel_layout on success, a negative AVERROR
- *         on error.
- */
-int av_get_channel_layout_channel_index(uint64_t channel_layout,
-                                        uint64_t channel);
-
-/**
- * Get the channel with the given index in channel_layout.
- */
-uint64_t av_channel_layout_extract_channel(uint64_t channel_layout, int index);
-
-/**
- * Get the name of a given channel.
- *
- * @return channel name on success, NULL on error.
- */
-const char *av_get_channel_name(uint64_t channel);
-
-/**
- * Get the description of a given channel.
- *
- * @param channel  a channel layout with a single channel
- * @return  channel description on success, NULL on error
- */
-const char *av_get_channel_description(uint64_t channel);
-
-/**
- * Get the value and name of a standard channel layout.
- *
- * @param[in]  index   index in an internal list, starting at 0
- * @param[out] layout  channel layout mask
- * @param[out] name    name of the layout
- * @return  0  if the layout exists,
- *          <0 if index is beyond the limits
- */
-int av_get_standard_channel_layout(unsigned index, uint64_t *layout,
-                                   const char **name);
-
-/**
- * @}
- */
-
-#endif /* AVUTIL_AUDIOCONVERT_H */
+#if FF_API_AUDIOCONVERT
+#include "channel_layout.h"
+#endif

libavutil/audioconvert.c → libavutil/channel_layout.c

@@ -20,12 +20,12 @@
 
 /**
  * @file
- * audio conversion routines
+ * audio channel layout utility functions
  */
 
 #include "avstring.h"
 #include "avutil.h"
-#include "audioconvert.h"
+#include "channel_layout.h"
 #include "bprint.h"
 #include "common.h"
 

libavutil/channel_layout.h

@@ -0,0 +1,208 @@
+/*
+ * Copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
+ * Copyright (c) 2008 Peter Ross
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef AVUTIL_CHANNEL_LAYOUT_H
+#define AVUTIL_CHANNEL_LAYOUT_H
+
+#include <stdint.h>
+
+/**
+ * @file
+ * audio channel layout utility functions
+ */
+
+/**
+ * @addtogroup lavu_audio
+ * @{
+ */
+
+/**
+ * @defgroup channel_masks Audio channel masks
+ * @{
+ */
+#define AV_CH_FRONT_LEFT             0x00000001
+#define AV_CH_FRONT_RIGHT            0x00000002
+#define AV_CH_FRONT_CENTER           0x00000004
+#define AV_CH_LOW_FREQUENCY          0x00000008
+#define AV_CH_BACK_LEFT              0x00000010
+#define AV_CH_BACK_RIGHT             0x00000020
+#define AV_CH_FRONT_LEFT_OF_CENTER   0x00000040
+#define AV_CH_FRONT_RIGHT_OF_CENTER  0x00000080
+#define AV_CH_BACK_CENTER            0x00000100
+#define AV_CH_SIDE_LEFT              0x00000200
+#define AV_CH_SIDE_RIGHT             0x00000400
+#define AV_CH_TOP_CENTER             0x00000800
+#define AV_CH_TOP_FRONT_LEFT         0x00001000
+#define AV_CH_TOP_FRONT_CENTER       0x00002000
+#define AV_CH_TOP_FRONT_RIGHT        0x00004000
+#define AV_CH_TOP_BACK_LEFT          0x00008000
+#define AV_CH_TOP_BACK_CENTER        0x00010000
+#define AV_CH_TOP_BACK_RIGHT         0x00020000
+#define AV_CH_STEREO_LEFT            0x20000000  ///< Stereo downmix.
+#define AV_CH_STEREO_RIGHT           0x40000000  ///< See AV_CH_STEREO_LEFT.
+#define AV_CH_WIDE_LEFT              0x0000000080000000ULL
+#define AV_CH_WIDE_RIGHT             0x0000000100000000ULL
+#define AV_CH_SURROUND_DIRECT_LEFT   0x0000000200000000ULL
+#define AV_CH_SURROUND_DIRECT_RIGHT  0x0000000400000000ULL
+#define AV_CH_LOW_FREQUENCY_2        0x0000000800000000ULL
+
+/** Channel mask value used for AVCodecContext.request_channel_layout
+    to indicate that the user requests the channel order of the decoder output
+    to be the native codec channel order. */
+#define AV_CH_LAYOUT_NATIVE          0x8000000000000000ULL
+
+/**
+ * @}
+ * @defgroup channel_mask_c Audio channel convenience macros
+ * @{
+ * */
+#define AV_CH_LAYOUT_MONO              (AV_CH_FRONT_CENTER)
+#define AV_CH_LAYOUT_STEREO            (AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT)
+#define AV_CH_LAYOUT_2POINT1           (AV_CH_LAYOUT_STEREO|AV_CH_LOW_FREQUENCY)
+#define AV_CH_LAYOUT_2_1               (AV_CH_LAYOUT_STEREO|AV_CH_BACK_CENTER)
+#define AV_CH_LAYOUT_SURROUND          (AV_CH_LAYOUT_STEREO|AV_CH_FRONT_CENTER)
+#define AV_CH_LAYOUT_3POINT1           (AV_CH_LAYOUT_SURROUND|AV_CH_LOW_FREQUENCY)
+#define AV_CH_LAYOUT_4POINT0           (AV_CH_LAYOUT_SURROUND|AV_CH_BACK_CENTER)
+#define AV_CH_LAYOUT_4POINT1           (AV_CH_LAYOUT_4POINT0|AV_CH_LOW_FREQUENCY)
+#define AV_CH_LAYOUT_2_2               (AV_CH_LAYOUT_STEREO|AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT)
+#define AV_CH_LAYOUT_QUAD              (AV_CH_LAYOUT_STEREO|AV_CH_BACK_LEFT|AV_CH_BACK_RIGHT)
+#define AV_CH_LAYOUT_5POINT0           (AV_CH_LAYOUT_SURROUND|AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT)
+#define AV_CH_LAYOUT_5POINT1           (AV_CH_LAYOUT_5POINT0|AV_CH_LOW_FREQUENCY)
+#define AV_CH_LAYOUT_5POINT0_BACK      (AV_CH_LAYOUT_SURROUND|AV_CH_BACK_LEFT|AV_CH_BACK_RIGHT)
+#define AV_CH_LAYOUT_5POINT1_BACK      (AV_CH_LAYOUT_5POINT0_BACK|AV_CH_LOW_FREQUENCY)
+#define AV_CH_LAYOUT_6POINT0           (AV_CH_LAYOUT_5POINT0|AV_CH_BACK_CENTER)
+#define AV_CH_LAYOUT_6POINT0_FRONT     (AV_CH_LAYOUT_2_2|AV_CH_FRONT_LEFT_OF_CENTER|AV_CH_FRONT_RIGHT_OF_CENTER)
+#define AV_CH_LAYOUT_HEXAGONAL         (AV_CH_LAYOUT_5POINT0_BACK|AV_CH_BACK_CENTER)
+#define AV_CH_LAYOUT_6POINT1           (AV_CH_LAYOUT_5POINT1|AV_CH_BACK_CENTER)
+#define AV_CH_LAYOUT_6POINT1_BACK      (AV_CH_LAYOUT_5POINT1_BACK|AV_CH_BACK_CENTER)
+#define AV_CH_LAYOUT_6POINT1_FRONT     (AV_CH_LAYOUT_6POINT0_FRONT|AV_CH_LOW_FREQUENCY)
+#define AV_CH_LAYOUT_7POINT0           (AV_CH_LAYOUT_5POINT0|AV_CH_BACK_LEFT|AV_CH_BACK_RIGHT)
+#define AV_CH_LAYOUT_7POINT0_FRONT     (AV_CH_LAYOUT_5POINT0|AV_CH_FRONT_LEFT_OF_CENTER|AV_CH_FRONT_RIGHT_OF_CENTER)
+#define AV_CH_LAYOUT_7POINT1           (AV_CH_LAYOUT_5POINT1|AV_CH_BACK_LEFT|AV_CH_BACK_RIGHT)
+#define AV_CH_LAYOUT_7POINT1_WIDE      (AV_CH_LAYOUT_5POINT1|AV_CH_FRONT_LEFT_OF_CENTER|AV_CH_FRONT_RIGHT_OF_CENTER)
+#define AV_CH_LAYOUT_7POINT1_WIDE_BACK (AV_CH_LAYOUT_5POINT1_BACK|AV_CH_FRONT_LEFT_OF_CENTER|AV_CH_FRONT_RIGHT_OF_CENTER)
+#define AV_CH_LAYOUT_OCTAGONAL         (AV_CH_LAYOUT_5POINT0|AV_CH_BACK_LEFT|AV_CH_BACK_CENTER|AV_CH_BACK_RIGHT)
+#define AV_CH_LAYOUT_STEREO_DOWNMIX    (AV_CH_STEREO_LEFT|AV_CH_STEREO_RIGHT)
+
+enum AVMatrixEncoding {
+    AV_MATRIX_ENCODING_NONE,
+    AV_MATRIX_ENCODING_DOLBY,
+    AV_MATRIX_ENCODING_DPLII,
+    AV_MATRIX_ENCODING_NB
+};
+
+/**
+ * @}
+ */
+
+/**
+ * Return a channel layout id that matches name, or 0 if no match is found.
+ *
+ * name can be one or several of the following notations,
+ * separated by '+' or '|':
+ * - the name of an usual channel layout (mono, stereo, 4.0, quad, 5.0,
+ *   5.0(side), 5.1, 5.1(side), 7.1, 7.1(wide), downmix);
+ * - the name of a single channel (FL, FR, FC, LFE, BL, BR, FLC, FRC, BC,
+ *   SL, SR, TC, TFL, TFC, TFR, TBL, TBC, TBR, DL, DR);
+ * - a number of channels, in decimal, optionally followed by 'c', yielding
+ *   the default channel layout for that number of channels (@see
+ *   av_get_default_channel_layout);
+ * - a channel layout mask, in hexadecimal starting with "0x" (see the
+ *   AV_CH_* macros).
+ *
+ * Example: "stereo+FC" = "2+FC" = "2c+1c" = "0x7"
+ */
+uint64_t av_get_channel_layout(const char *name);
+
+/**
+ * Return a description of a channel layout.
+ * If nb_channels is <= 0, it is guessed from the channel_layout.
+ *
+ * @param buf put here the string containing the channel layout
+ * @param buf_size size in bytes of the buffer
+ */
+void av_get_channel_layout_string(char *buf, int buf_size, int nb_channels, uint64_t channel_layout);
+
+struct AVBPrint;
+/**
+ * Append a description of a channel layout to a bprint buffer.
+ */
+void av_bprint_channel_layout(struct AVBPrint *bp, int nb_channels, uint64_t channel_layout);
+
+/**
+ * Return the number of channels in the channel layout.
+ */
+int av_get_channel_layout_nb_channels(uint64_t channel_layout);
+
+/**
+ * Return default channel layout for a given number of channels.
+ */
+int64_t av_get_default_channel_layout(int nb_channels);
+
+/**
+ * Get the index of a channel in channel_layout.
+ *
+ * @param channel a channel layout describing exactly one channel which must be
+ *                present in channel_layout.
+ *
+ * @return index of channel in channel_layout on success, a negative AVERROR
+ *         on error.
+ */
+int av_get_channel_layout_channel_index(uint64_t channel_layout,
+                                        uint64_t channel);
+
+/**
+ * Get the channel with the given index in channel_layout.
+ */
+uint64_t av_channel_layout_extract_channel(uint64_t channel_layout, int index);
+
+/**
+ * Get the name of a given channel.
+ *
+ * @return channel name on success, NULL on error.
+ */
+const char *av_get_channel_name(uint64_t channel);
+
+/**
+ * Get the description of a given channel.
+ *
+ * @param channel  a channel layout with a single channel
+ * @return  channel description on success, NULL on error
+ */
+const char *av_get_channel_description(uint64_t channel);
+
+/**
+ * Get the value and name of a standard channel layout.
+ *
+ * @param[in]  index   index in an internal list, starting at 0
+ * @param[out] layout  channel layout mask
+ * @param[out] name    name of the layout
+ * @return  0  if the layout exists,
+ *          <0 if index is beyond the limits
+ */
+int av_get_standard_channel_layout(unsigned index, uint64_t *layout,
+                                   const char **name);
+
+/**
+ * @}
+ */
+
+#endif /* AVUTIL_CHANNEL_LAYOUT_H */

libavutil/version.h

@@ -75,7 +75,7 @@
  */
 
 #define LIBAVUTIL_VERSION_MAJOR  52
-#define LIBAVUTIL_VERSION_MINOR   5
+#define LIBAVUTIL_VERSION_MINOR   6
 #define LIBAVUTIL_VERSION_MICRO 100
 
 #define LIBAVUTIL_VERSION_INT   AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \
@@ -120,6 +120,9 @@
 #ifndef FF_API_AV_REVERSE
 #define FF_API_AV_REVERSE               (LIBAVUTIL_VERSION_MAJOR < 53)
 #endif
+#ifndef FF_API_AUDIOCONVERT
+#define FF_API_AUDIOCONVERT             (LIBAVUTIL_VERSION_MAJOR < 53)
+#endif
 
 /**
  * @}