ffmpeg/libavformat/matroska.c
Moritz Bunkus bc3b422029 matroskadec: Implement support for ALAC
This patch implements support reading ALAC from Matroska files. The
only non-trivial thing about it is that only the ALAC magic cookie is
stored in Matroska's CodecPrivate element but not the "atom size",
"tag" and "tag version" fields that FFMPEG's ALAC decoder
expects. However, those are trivial to re-create.

Sample files are available:
http://www.bunkus.org/videotools/mkvtoolnix/samples/alac/alac-in-matroska.mka
and the CoreAudio file it was created from with today's mkvmerge:
http://www.bunkus.org/videotools/mkvtoolnix/samples/alac/alac-in-matroska-source.caf

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-08-05 17:59:12 +02:00

128 lines
4.4 KiB
C

/*
* Matroska common data
* Copyright (c) 2003-2004 The ffmpeg Project
*
* 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
*/
#include "matroska.h"
const CodecTags ff_mkv_codec_tags[]={
{"A_AAC" , CODEC_ID_AAC},
{"A_AC3" , CODEC_ID_AC3},
{"A_ALAC" , CODEC_ID_ALAC},
{"A_DTS" , CODEC_ID_DTS},
{"A_EAC3" , CODEC_ID_EAC3},
{"A_FLAC" , CODEC_ID_FLAC},
{"A_MLP" , CODEC_ID_MLP},
{"A_MPEG/L2" , CODEC_ID_MP2},
{"A_MPEG/L1" , CODEC_ID_MP2},
{"A_MPEG/L3" , CODEC_ID_MP3},
{"A_OPUS", CODEC_ID_OPUS},
{"A_PCM/FLOAT/IEEE" , CODEC_ID_PCM_F32LE},
{"A_PCM/FLOAT/IEEE" , CODEC_ID_PCM_F64LE},
{"A_PCM/INT/BIG" , CODEC_ID_PCM_S16BE},
{"A_PCM/INT/BIG" , CODEC_ID_PCM_S24BE},
{"A_PCM/INT/BIG" , CODEC_ID_PCM_S32BE},
{"A_PCM/INT/LIT" , CODEC_ID_PCM_S16LE},
{"A_PCM/INT/LIT" , CODEC_ID_PCM_S24LE},
{"A_PCM/INT/LIT" , CODEC_ID_PCM_S32LE},
{"A_PCM/INT/LIT" , CODEC_ID_PCM_U8},
{"A_QUICKTIME/QDM2" , CODEC_ID_QDM2},
{"A_REAL/14_4" , CODEC_ID_RA_144},
{"A_REAL/28_8" , CODEC_ID_RA_288},
{"A_REAL/ATRC" , CODEC_ID_ATRAC3},
{"A_REAL/COOK" , CODEC_ID_COOK},
{"A_REAL/SIPR" , CODEC_ID_SIPR},
{"A_TRUEHD" , CODEC_ID_TRUEHD},
{"A_TTA1" , CODEC_ID_TTA},
{"A_VORBIS" , CODEC_ID_VORBIS},
{"A_WAVPACK4" , CODEC_ID_WAVPACK},
{"S_TEXT/UTF8" , CODEC_ID_TEXT},
{"S_TEXT/UTF8" , CODEC_ID_SRT},
{"S_TEXT/ASCII" , CODEC_ID_TEXT},
{"S_TEXT/ASS" , CODEC_ID_SSA},
{"S_TEXT/SSA" , CODEC_ID_SSA},
{"S_ASS" , CODEC_ID_SSA},
{"S_SSA" , CODEC_ID_SSA},
{"S_VOBSUB" , CODEC_ID_DVD_SUBTITLE},
{"S_HDMV/PGS" , CODEC_ID_HDMV_PGS_SUBTITLE},
{"V_DIRAC" , CODEC_ID_DIRAC},
{"V_MJPEG" , CODEC_ID_MJPEG},
{"V_MPEG1" , CODEC_ID_MPEG1VIDEO},
{"V_MPEG2" , CODEC_ID_MPEG2VIDEO},
{"V_MPEG4/ISO/ASP" , CODEC_ID_MPEG4},
{"V_MPEG4/ISO/AP" , CODEC_ID_MPEG4},
{"V_MPEG4/ISO/SP" , CODEC_ID_MPEG4},
{"V_MPEG4/ISO/AVC" , CODEC_ID_H264},
{"V_MPEG4/MS/V3" , CODEC_ID_MSMPEG4V3},
{"V_REAL/RV10" , CODEC_ID_RV10},
{"V_REAL/RV20" , CODEC_ID_RV20},
{"V_REAL/RV30" , CODEC_ID_RV30},
{"V_REAL/RV40" , CODEC_ID_RV40},
{"V_SNOW" , CODEC_ID_SNOW},
{"V_THEORA" , CODEC_ID_THEORA},
{"V_UNCOMPRESSED" , CODEC_ID_RAWVIDEO},
{"V_VP8" , CODEC_ID_VP8},
{"" , CODEC_ID_NONE}
};
const CodecMime ff_mkv_mime_tags[] = {
{"text/plain" , CODEC_ID_TEXT},
{"image/gif" , CODEC_ID_GIF},
{"image/jpeg" , CODEC_ID_MJPEG},
{"image/png" , CODEC_ID_PNG},
{"image/tiff" , CODEC_ID_TIFF},
{"application/x-truetype-font", CODEC_ID_TTF},
{"application/x-font" , CODEC_ID_TTF},
{"" , CODEC_ID_NONE}
};
const AVMetadataConv ff_mkv_metadata_conv[] = {
{ "LEAD_PERFORMER", "performer" },
{ "PART_NUMBER" , "track" },
{ 0 }
};
const char * const matroska_video_stereo_mode[MATROSKA_VIDEO_STEREO_MODE_COUNT] = {
"mono",
"left_right",
"bottom_top",
"top_bottom",
"checkerboard_rl",
"checkerboard_lr"
"row_interleaved_rl",
"row_interleaved_lr",
"col_interleaved_rl",
"col_interleaved_lr",
"anaglyph_cyan_red",
"right_left",
"anaglyph_green_magenta",
"block_lr",
"block_rl",
};
const char * const matroska_video_stereo_plane[MATROSKA_VIDEO_STEREO_PLANE_COUNT] = {
"left",
"right",
"background",
};