libavformat/isom.c
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 /*
  * ISO Media common code
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  * Copyright (c) 2001 Fabrice Bellard
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  * Copyright (c) 2002 Francois Revol <revol@free.fr>
  * Copyright (c) 2006 Baptiste Coudurier <baptiste.coudurier@free.fr>
  *
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  * This file is part of FFmpeg.
  *
  * FFmpeg is free software; you can redistribute it and/or
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  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
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  * version 2.1 of the License, or (at your option) any later version.
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  *
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  * FFmpeg is distributed in the hope that it will be useful,
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  * 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
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  * License along with FFmpeg; if not, write to the Free Software
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  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include "avformat.h"
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 #include "internal.h"
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 #include "isom.h"
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 #include "libavcodec/mpeg4audio.h"
 #include "libavcodec/mpegaudiodata.h"
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 /* http://www.mp4ra.org */
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 /* ordered by muxing preference */
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 const AVCodecTag ff_mp4_obj_type[] = {
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     { AV_CODEC_ID_MOV_TEXT    , 0x08 },
     { AV_CODEC_ID_MPEG4       , 0x20 },
     { AV_CODEC_ID_H264        , 0x21 },
     { AV_CODEC_ID_AAC         , 0x40 },
     { AV_CODEC_ID_MP4ALS      , 0x40 }, /* 14496-3 ALS */
     { AV_CODEC_ID_MPEG2VIDEO  , 0x61 }, /* MPEG2 Main */
     { AV_CODEC_ID_MPEG2VIDEO  , 0x60 }, /* MPEG2 Simple */
     { AV_CODEC_ID_MPEG2VIDEO  , 0x62 }, /* MPEG2 SNR */
     { AV_CODEC_ID_MPEG2VIDEO  , 0x63 }, /* MPEG2 Spatial */
     { AV_CODEC_ID_MPEG2VIDEO  , 0x64 }, /* MPEG2 High */
     { AV_CODEC_ID_MPEG2VIDEO  , 0x65 }, /* MPEG2 422 */
     { AV_CODEC_ID_AAC         , 0x66 }, /* MPEG2 AAC Main */
     { AV_CODEC_ID_AAC         , 0x67 }, /* MPEG2 AAC Low */
     { AV_CODEC_ID_AAC         , 0x68 }, /* MPEG2 AAC SSR */
     { AV_CODEC_ID_MP3         , 0x69 }, /* 13818-3 */
     { AV_CODEC_ID_MP2         , 0x69 }, /* 11172-3 */
     { AV_CODEC_ID_MPEG1VIDEO  , 0x6A }, /* 11172-2 */
     { AV_CODEC_ID_MP3         , 0x6B }, /* 11172-3 */
     { AV_CODEC_ID_MJPEG       , 0x6C }, /* 10918-1 */
     { AV_CODEC_ID_PNG         , 0x6D },
     { AV_CODEC_ID_JPEG2000    , 0x6E }, /* 15444-1 */
     { AV_CODEC_ID_VC1         , 0xA3 },
     { AV_CODEC_ID_DIRAC       , 0xA4 },
     { AV_CODEC_ID_AC3         , 0xA5 },
     { AV_CODEC_ID_DTS         , 0xA9 }, /* mp4ra.org */
     { AV_CODEC_ID_VORBIS      , 0xDD }, /* non standard, gpac uses it */
     { AV_CODEC_ID_DVD_SUBTITLE, 0xE0 }, /* non standard, see unsupported-embedded-subs-2.mp4 */
     { AV_CODEC_ID_QCELP       , 0xE1 },
     { AV_CODEC_ID_MPEG4SYSTEMS, 0x01 },
     { AV_CODEC_ID_MPEG4SYSTEMS, 0x02 },
     { AV_CODEC_ID_NONE        ,    0 },
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 };
 
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 const AVCodecTag ff_codec_movvideo_tags[] = {
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 /*  { AV_CODEC_ID_, MKTAG('I', 'V', '5', '0') }, *//* Indeo 5.0 */
 
     { AV_CODEC_ID_RAWVIDEO, MKTAG('r', 'a', 'w', ' ') }, /* Uncompressed RGB */
     { AV_CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', '2') }, /* Uncompressed YUV422 */
     { AV_CODEC_ID_RAWVIDEO, MKTAG('2', 'v', 'u', 'y') }, /* UNCOMPRESSED 8BIT 4:2:2 */
     { AV_CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', 's') }, /* same as 2vuy but byte swapped */
 
     { AV_CODEC_ID_RAWVIDEO, MKTAG('L', '5', '5', '5') },
     { AV_CODEC_ID_RAWVIDEO, MKTAG('L', '5', '6', '5') },
     { AV_CODEC_ID_RAWVIDEO, MKTAG('B', '5', '6', '5') },
     { AV_CODEC_ID_RAWVIDEO, MKTAG('2', '4', 'B', 'G') },
     { AV_CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 'A') },
     { AV_CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 'A') },
     { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'B', 'G', 'R') },
     { AV_CODEC_ID_RAWVIDEO, MKTAG('b', '1', '6', 'g') },
     { AV_CODEC_ID_RAWVIDEO, MKTAG('b', '4', '8', 'r') },
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     { AV_CODEC_ID_RAWVIDEO, MKTAG('b', 'x', 'b', 'g') },
     { AV_CODEC_ID_RAWVIDEO, MKTAG('b', 'x', 'r', 'g') },
     { AV_CODEC_ID_RAWVIDEO, MKTAG('b', 'x', 'y', 'v') },
     { AV_CODEC_ID_RAWVIDEO, MKTAG('N', 'O', '1', '6') },
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     { AV_CODEC_ID_RAWVIDEO, MKTAG('D', 'V', 'O', 'O') }, /* Digital Voodoo SD 8 Bit */
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     { AV_CODEC_ID_RAWVIDEO, MKTAG('R', '4', '2', '0') }, /* Radius DV YUV PAL */
     { AV_CODEC_ID_RAWVIDEO, MKTAG('R', '4', '1', '1') }, /* Radius DV YUV NTSC */
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     { AV_CODEC_ID_R10K,   MKTAG('R', '1', '0', 'k') }, /* UNCOMPRESSED 10BIT RGB */
     { AV_CODEC_ID_R10K,   MKTAG('R', '1', '0', 'g') }, /* UNCOMPRESSED 10BIT RGB */
     { AV_CODEC_ID_R210,   MKTAG('r', '2', '1', '0') }, /* UNCOMPRESSED 10BIT RGB */
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     { AV_CODEC_ID_AVUI,   MKTAG('A', 'V', 'U', 'I') }, /* AVID Uncompressed deinterleaved UYVY422 */
     { AV_CODEC_ID_AVRP,   MKTAG('A', 'V', 'r', 'p') }, /* Avid 1:1 10-bit RGB Packer */
     { AV_CODEC_ID_AVRP,   MKTAG('S', 'U', 'D', 'S') }, /* Avid DS Uncompressed */
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     { AV_CODEC_ID_V210,   MKTAG('v', '2', '1', '0') }, /* UNCOMPRESSED 10BIT 4:2:2 */
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     { AV_CODEC_ID_V210,   MKTAG('b', 'x', 'y', '2') }, /* BOXX 10BIT 4:2:2 */
     { AV_CODEC_ID_V308,   MKTAG('v', '3', '0', '8') }, /* UNCOMPRESSED  8BIT 4:4:4 */
     { AV_CODEC_ID_V408,   MKTAG('v', '4', '0', '8') }, /* UNCOMPRESSED  8BIT 4:4:4:4 */
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     { AV_CODEC_ID_V410,   MKTAG('v', '4', '1', '0') }, /* UNCOMPRESSED 10BIT 4:4:4 */
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     { AV_CODEC_ID_Y41P,   MKTAG('Y', '4', '1', 'P') }, /* UNCOMPRESSED 12BIT 4:1:1 */
     { AV_CODEC_ID_YUV4,   MKTAG('y', 'u', 'v', '4') }, /* libquicktime packed yuv420p */
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     { AV_CODEC_ID_TARGA_Y216, MKTAG('Y', '2', '1', '6') },
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     { AV_CODEC_ID_MJPEG,  MKTAG('j', 'p', 'e', 'g') }, /* PhotoJPEG */
     { AV_CODEC_ID_MJPEG,  MKTAG('m', 'j', 'p', 'a') }, /* Motion-JPEG (format A) */
     { AV_CODEC_ID_MJPEG,  MKTAG('A', 'V', 'D', 'J') }, /* MJPEG with alpha-channel (AVID JFIF meridien compressed) */
 /*  { AV_CODEC_ID_MJPEG,  MKTAG('A', 'V', 'R', 'n') }, *//* MJPEG with alpha-channel (AVID ABVB/Truevision NuVista) */
     { AV_CODEC_ID_MJPEG,  MKTAG('d', 'm', 'b', '1') }, /* Motion JPEG OpenDML */
     { AV_CODEC_ID_MJPEGB, MKTAG('m', 'j', 'p', 'b') }, /* Motion-JPEG (format B) */
 
     { AV_CODEC_ID_SVQ1, MKTAG('S', 'V', 'Q', '1') }, /* Sorenson Video v1 */
     { AV_CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', '1') }, /* Sorenson Video v1 */
     { AV_CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', 'i') }, /* Sorenson Video v1 (from QT specs)*/
     { AV_CODEC_ID_SVQ3, MKTAG('S', 'V', 'Q', '3') }, /* Sorenson Video v3 */
 
     { AV_CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
     { AV_CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', 'X') }, /* OpenDiVX *//* sample files at http://heroinewarrior.com/xmovie.php3 use this tag */
     { AV_CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'D') },
     { AV_CODEC_ID_MPEG4, MKTAG('3', 'I', 'V', '2') }, /* experimental: 3IVX files before ivx D4 4.5.1 */
 
     { AV_CODEC_ID_H263, MKTAG('h', '2', '6', '3') }, /* H263 */
     { AV_CODEC_ID_H263, MKTAG('s', '2', '6', '3') }, /* H263 ?? works */
 
     { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 'p') }, /* DV PAL */
     { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') }, /* DV NTSC */
     { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'p', 'p') }, /* DVCPRO PAL produced by FCP */
     { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'p') }, /* DVCPRO50 PAL produced by FCP */
     { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'n') }, /* DVCPRO50 NTSC produced by FCP */
     { AV_CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', 'v') }, /* AVID DV */
     { AV_CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', '1') }, /* AVID DV100 */
     { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'q') }, /* DVCPRO HD 720p50 */
     { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'p') }, /* DVCPRO HD 720p60 */
     { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') },
     { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '2') },
     { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '4') },
     { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '5') }, /* DVCPRO HD 50i produced by FCP */
     { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '6') }, /* DVCPRO HD 60i produced by FCP */
     { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '3') }, /* DVCPRO HD 30p produced by FCP */
 
     { AV_CODEC_ID_VP3,     MKTAG('V', 'P', '3', '1') }, /* On2 VP3 */
     { AV_CODEC_ID_RPZA,    MKTAG('r', 'p', 'z', 'a') }, /* Apple Video (RPZA) */
     { AV_CODEC_ID_CINEPAK, MKTAG('c', 'v', 'i', 'd') }, /* Cinepak */
     { AV_CODEC_ID_8BPS,    MKTAG('8', 'B', 'P', 'S') }, /* Planar RGB (8BPS) */
     { AV_CODEC_ID_SMC,     MKTAG('s', 'm', 'c', ' ') }, /* Apple Graphics (SMC) */
     { AV_CODEC_ID_QTRLE,   MKTAG('r', 'l', 'e', ' ') }, /* Apple Animation (RLE) */
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     { AV_CODEC_ID_SGIRLE,  MKTAG('r', 'l', 'e', '1') }, /* SGI RLE 8-bit */
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     { AV_CODEC_ID_MSRLE,   MKTAG('W', 'R', 'L', 'E') },
     { AV_CODEC_ID_QDRAW,   MKTAG('q', 'd', 'r', 'w') }, /* QuickDraw */
 
     { AV_CODEC_ID_RAWVIDEO, MKTAG('W', 'R', 'A', 'W') },
 
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     { AV_CODEC_ID_HEVC, MKTAG('h', 'v', 'c', '1') }, /* HEVC/H.265 which indicates parameter sets shall not be in ES */
     { AV_CODEC_ID_HEVC, MKTAG('h', 'e', 'v', '1') }, /* HEVC/H.265 which indicates parameter sets may be in ES */
 
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     { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') }, /* AVC-1/H.264 */
     { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'p') }, /* AVC-Intra  50M 720p24/30/60 */
     { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'q') }, /* AVC-Intra  50M 720p25/50 */
     { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '2') }, /* AVC-Intra  50M 1080p25/50 */
     { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '3') }, /* AVC-Intra  50M 1080p24/30/60 */
     { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '5') }, /* AVC-Intra  50M 1080i50 */
     { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '6') }, /* AVC-Intra  50M 1080i60 */
     { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'p') }, /* AVC-Intra 100M 720p24/30/60 */
     { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'q') }, /* AVC-Intra 100M 720p25/50 */
     { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '2') }, /* AVC-Intra 100M 1080p25/50 */
     { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '3') }, /* AVC-Intra 100M 1080p24/30/60 */
     { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '5') }, /* AVC-Intra 100M 1080i50 */
     { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '6') }, /* AVC-Intra 100M 1080i60 */
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     { AV_CODEC_ID_H264, MKTAG('a', 'i', 'v', 'x') }, /* XAVC 4:2:2 10bit */
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     { AV_CODEC_ID_H264, MKTAG('A', 'V', 'i', 'n') }, /* AVC-Intra with implicit SPS/PPS */
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     { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', '1') }, /* Apple MPEG-1 Camcorder */
     { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'e', 'g') }, /* MPEG */
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     { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', ' ') },
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     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', '2', 'v', '1') }, /* Apple MPEG-2 Camcorder */
     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '1') }, /* MPEG2 HDV 720p30 */
     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '2') }, /* MPEG2 HDV 1080i60 */
     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '3') }, /* MPEG2 HDV 1080i50 */
     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '4') }, /* MPEG2 HDV 720p24 */
     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '5') }, /* MPEG2 HDV 720p25 */
     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '6') }, /* MPEG2 HDV 1080p24 */
     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '7') }, /* MPEG2 HDV 1080p25 */
     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '8') }, /* MPEG2 HDV 1080p30 */
     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '9') }, /* MPEG2 HDV 720p60 JVC */
     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', 'a') }, /* MPEG2 HDV 720p50 */
     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'n') }, /* MPEG2 IMX NTSC 525/60 50mb/s produced by FCP */
     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'p') }, /* MPEG2 IMX PAL 625/50 50mb/s produced by FCP */
     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'n') }, /* MPEG2 IMX NTSC 525/60 40mb/s produced by FCP */
     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'p') }, /* MPEG2 IMX PAL 625/50 40mb/s produced by FCP */
     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'n') }, /* MPEG2 IMX NTSC 525/60 30mb/s produced by FCP */
     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'p') }, /* MPEG2 IMX PAL 625/50 30mb/s produced by FCP */
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     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '1') }, /* XDCAM HD422 720p30 CBR */
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     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '4') }, /* XDCAM HD422 720p24 CBR */
     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '5') }, /* XDCAM HD422 720p25 CBR */
     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '9') }, /* XDCAM HD422 720p60 CBR */
     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'a') }, /* XDCAM HD422 720p50 CBR */
     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'b') }, /* XDCAM HD422 1080i60 CBR */
     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'c') }, /* XDCAM HD422 1080i50 CBR */
     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'd') }, /* XDCAM HD422 1080p24 CBR */
     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'e') }, /* XDCAM HD422 1080p25 CBR */
     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'f') }, /* XDCAM HD422 1080p30 CBR */
     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '1') }, /* XDCAM EX 720p30 VBR */
     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '2') }, /* XDCAM HD 1080i60 */
     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '3') }, /* XDCAM HD 1080i50 VBR */
     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '4') }, /* XDCAM EX 720p24 VBR */
     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '5') }, /* XDCAM EX 720p25 VBR */
     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '6') }, /* XDCAM HD 1080p24 VBR */
     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '7') }, /* XDCAM HD 1080p25 VBR */
     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '8') }, /* XDCAM HD 1080p30 VBR */
     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '9') }, /* XDCAM EX 720p60 VBR */
     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'a') }, /* XDCAM EX 720p50 VBR */
     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'b') }, /* XDCAM EX 1080i60 VBR */
     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'c') }, /* XDCAM EX 1080i50 VBR */
     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'd') }, /* XDCAM EX 1080p24 VBR */
     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'e') }, /* XDCAM EX 1080p25 VBR */
     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'f') }, /* XDCAM EX 1080p30 VBR */
     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', 'd') }, /* XDCAM HD 540p */
     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', '2') }, /* XDCAM HD422 540p */
     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('A', 'V', 'm', 'p') }, /* AVID IMX PAL */
 
     { AV_CODEC_ID_JPEG2000, MKTAG('m', 'j', 'p', '2') }, /* JPEG 2000 produced by FCP */
 
     { AV_CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') }, /* Truevision Targa */
     { AV_CODEC_ID_TIFF,  MKTAG('t', 'i', 'f', 'f') }, /* TIFF embedded in MOV */
     { AV_CODEC_ID_GIF,   MKTAG('g', 'i', 'f', ' ') }, /* embedded gif files as frames (usually one "click to play movie" frame) */
     { AV_CODEC_ID_PNG,   MKTAG('p', 'n', 'g', ' ') },
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     { AV_CODEC_ID_PNG,   MKTAG('M', 'N', 'G', ' ') },
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     { AV_CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') }, /* SMPTE RP 2025 */
     { AV_CODEC_ID_CAVS, MKTAG('a', 'v', 's', '2') },
 
     { AV_CODEC_ID_DIRAC,     MKTAG('d', 'r', 'a', 'c') },
     { AV_CODEC_ID_DNXHD,     MKTAG('A', 'V', 'd', 'n') }, /* AVID DNxHD */
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     { AV_CODEC_ID_H263,      MKTAG('H', '2', '6', '3') },
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     { AV_CODEC_ID_MSMPEG4V3, MKTAG('3', 'I', 'V', 'D') }, /* 3ivx DivX Doctor */
     { AV_CODEC_ID_RAWVIDEO,  MKTAG('A', 'V', '1', 'x') }, /* AVID 1:1x */
     { AV_CODEC_ID_RAWVIDEO,  MKTAG('A', 'V', 'u', 'p') },
     { AV_CODEC_ID_SGI,       MKTAG('s', 'g', 'i', ' ') }, /* SGI  */
     { AV_CODEC_ID_DPX,       MKTAG('d', 'p', 'x', ' ') }, /* DPX */
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     { AV_CODEC_ID_EXR,       MKTAG('e', 'x', 'r', ' ') }, /* OpenEXR */
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     { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'h') }, /* Apple ProRes 422 High Quality */
     { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'n') }, /* Apple ProRes 422 Standard Definition */
     { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 's') }, /* Apple ProRes 422 LT */
     { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'o') }, /* Apple ProRes 422 Proxy */
     { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'h') }, /* Apple ProRes 4444 */
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     { AV_CODEC_ID_FLIC,   MKTAG('f', 'l', 'i', 'c') },
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     { AV_CODEC_ID_AIC, MKTAG('i', 'c', 'o', 'd') },
 
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     { AV_CODEC_ID_NONE, 0 },
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 };
 
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 const AVCodecTag ff_codec_movaudio_tags[] = {
36ef5369
     { AV_CODEC_ID_AAC,             MKTAG('m', 'p', '4', 'a') },
     { AV_CODEC_ID_AC3,             MKTAG('a', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F */
     { AV_CODEC_ID_AC3,             MKTAG('s', 'a', 'c', '3') }, /* Nero Recode */
     { AV_CODEC_ID_ADPCM_IMA_QT,    MKTAG('i', 'm', 'a', '4') },
     { AV_CODEC_ID_ALAC,            MKTAG('a', 'l', 'a', 'c') },
     { AV_CODEC_ID_AMR_NB,          MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */
     { AV_CODEC_ID_AMR_WB,          MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */
     { AV_CODEC_ID_DTS,             MKTAG('d', 't', 's', 'c') }, /* DTS formats prior to DTS-HD */
     { AV_CODEC_ID_DTS,             MKTAG('d', 't', 's', 'h') }, /* DTS-HD audio formats */
     { AV_CODEC_ID_DTS,             MKTAG('d', 't', 's', 'l') }, /* DTS-HD Lossless formats */
     { AV_CODEC_ID_DTS,             MKTAG('D', 'T', 'S', ' ') }, /* non-standard */
     { AV_CODEC_ID_EAC3,            MKTAG('e', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F (only valid in ISOBMFF) */
     { AV_CODEC_ID_DVAUDIO,         MKTAG('v', 'd', 'v', 'a') },
     { AV_CODEC_ID_DVAUDIO,         MKTAG('d', 'v', 'c', 'a') },
     { AV_CODEC_ID_GSM,             MKTAG('a', 'g', 's', 'm') },
     { AV_CODEC_ID_ILBC,            MKTAG('i', 'l', 'b', 'c') },
     { AV_CODEC_ID_MACE3,           MKTAG('M', 'A', 'C', '3') },
     { AV_CODEC_ID_MACE6,           MKTAG('M', 'A', 'C', '6') },
     { AV_CODEC_ID_MP1,             MKTAG('.', 'm', 'p', '1') },
     { AV_CODEC_ID_MP2,             MKTAG('.', 'm', 'p', '2') },
     { AV_CODEC_ID_MP3,             MKTAG('.', 'm', 'p', '3') },
     { AV_CODEC_ID_MP3,             0x6D730055                },
     { AV_CODEC_ID_NELLYMOSER,      MKTAG('n', 'm', 'o', 's') }, /* Flash Media Server */
     { AV_CODEC_ID_PCM_ALAW,        MKTAG('a', 'l', 'a', 'w') },
     { AV_CODEC_ID_PCM_F32BE,       MKTAG('f', 'l', '3', '2') },
     { AV_CODEC_ID_PCM_F32LE,       MKTAG('f', 'l', '3', '2') },
     { AV_CODEC_ID_PCM_F64BE,       MKTAG('f', 'l', '6', '4') },
     { AV_CODEC_ID_PCM_F64LE,       MKTAG('f', 'l', '6', '4') },
     { AV_CODEC_ID_PCM_MULAW,       MKTAG('u', 'l', 'a', 'w') },
     { AV_CODEC_ID_PCM_S16BE,       MKTAG('t', 'w', 'o', 's') },
     { AV_CODEC_ID_PCM_S16LE,       MKTAG('s', 'o', 'w', 't') },
     { AV_CODEC_ID_PCM_S16LE,       MKTAG('l', 'p', 'c', 'm') },
     { AV_CODEC_ID_PCM_S24BE,       MKTAG('i', 'n', '2', '4') },
     { AV_CODEC_ID_PCM_S24LE,       MKTAG('i', 'n', '2', '4') },
     { AV_CODEC_ID_PCM_S32BE,       MKTAG('i', 'n', '3', '2') },
     { AV_CODEC_ID_PCM_S32LE,       MKTAG('i', 'n', '3', '2') },
     { AV_CODEC_ID_PCM_S8,          MKTAG('s', 'o', 'w', 't') },
     { AV_CODEC_ID_PCM_U8,          MKTAG('r', 'a', 'w', ' ') },
     { AV_CODEC_ID_PCM_U8,          MKTAG('N', 'O', 'N', 'E') },
     { AV_CODEC_ID_QCELP,           MKTAG('Q', 'c', 'l', 'p') },
     { AV_CODEC_ID_QCELP,           MKTAG('Q', 'c', 'l', 'q') },
     { AV_CODEC_ID_QCELP,           MKTAG('s', 'q', 'c', 'p') }, /* ISO Media fourcc */
     { AV_CODEC_ID_QDM2,            MKTAG('Q', 'D', 'M', '2') },
     { AV_CODEC_ID_QDMC,            MKTAG('Q', 'D', 'M', 'C') },
     { AV_CODEC_ID_SPEEX,           MKTAG('s', 'p', 'e', 'x') }, /* Flash Media Server */
e26b066c
     { AV_CODEC_ID_SPEEX,           MKTAG('S', 'P', 'X', 'N') },
36ef5369
     { AV_CODEC_ID_WMAV2,           MKTAG('W', 'M', 'A', '2') },
2a89081c
     { AV_CODEC_ID_EVRC,            MKTAG('s', 'e', 'v', 'c') }, /* 3GPP2 */
     { AV_CODEC_ID_SMV,             MKTAG('s', 's', 'm', 'v') }, /* 3GPP2 */
36ef5369
     { AV_CODEC_ID_NONE, 0 },
1e5f5e3b
 };
 
1e3c9307
 const AVCodecTag ff_codec_movsubtitle_tags[] = {
36ef5369
     { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') },
     { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
7a72695c
     { AV_CODEC_ID_EIA_608,  MKTAG('c', '6', '0', '8') },
36ef5369
     { AV_CODEC_ID_NONE, 0 },
1e3c9307
 };
 
e40ee6a2
 /* map numeric codes from mdhd atom to ISO 639 */
 /* cf. QTFileFormat.pdf p253, qtff.pdf p205 */
 /* http://developer.apple.com/documentation/mac/Text/Text-368.html */
 /* deprecated by putting the code as 3*5bit ascii */
029ddf33
 static const char mov_mdhd_language_map[][4] = {
e40ee6a2
     /* 0-9 */
     "eng", "fra", "ger", "ita", "dut", "sve", "spa", "dan", "por", "nor",
     "heb", "jpn", "ara", "fin", "gre", "ice", "mlt", "tur", "hr "/*scr*/, "chi"/*ace?*/,
029ddf33
     "urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav",    "",
     "fo ",    "", "rus", "chi",    "", "iri", "alb", "ron", "ces", "slk",
e40ee6a2
     "slv", "yid", "sr ", "mac", "bul", "ukr", "bel", "uzb", "kaz", "aze",
     /*?*/
029ddf33
     "aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon",    "", "pus",
e40ee6a2
     "kur", "kas", "snd", "tib", "nep", "san", "mar", "ben", "asm", "guj",
029ddf33
     "pa ", "ori", "mal", "kan", "tam", "tel",    "", "bur", "khm", "lao",
e40ee6a2
     /*                   roman? arabic? */
     "vie", "ind", "tgl", "may", "may", "amh", "tir", "orm", "som", "swa",
     /*==rundi?*/
029ddf33
        "", "run",    "", "mlg", "epo",    "",    "",    "",    "",    "",
e40ee6a2
     /* 100 */
029ddf33
        "",    "",    "",    "",    "",    "",    "",    "",    "",    "",
        "",    "",    "",    "",    "",    "",    "",    "",    "",    "",
        "",    "",    "",    "",    "",    "",    "",    "", "wel", "baq",
e40ee6a2
     "cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav"
 };
 
1c90d298
 int ff_mov_iso639_to_lang(const char lang[4], int mp4)
e40ee6a2
 {
     int i, code = 0;
 
     /* old way, only for QT? */
029ddf33
     for (i = 0; lang[0] && !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) {
         if (!strcmp(lang, mov_mdhd_language_map[i]))
e40ee6a2
             return i;
     }
     /* XXX:can we do that in mov too? */
     if (!mp4)
2904fd39
         return -1;
e40ee6a2
     /* handle undefined as such */
     if (lang[0] == '\0')
         lang = "und";
     /* 5bit ascii */
     for (i = 0; i < 3; i++) {
832ec428
         uint8_t c = lang[i];
         c -= 0x60;
         if (c > 0x1f)
2904fd39
             return -1;
e40ee6a2
         code <<= 5;
832ec428
         code |= c;
e40ee6a2
     }
     return code;
 }
 
1c90d298
 int ff_mov_lang_to_iso639(unsigned code, char to[4])
e40ee6a2
 {
     int i;
1c90d298
     memset(to, 0, 4);
e40ee6a2
     /* is it the mangled iso code? */
     /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */
e636aa1a
     if (code >= 0x400 && code != 0x7fff) {
e40ee6a2
         for (i = 2; i >= 0; i--) {
             to[i] = 0x60 + (code & 0x1f);
             code >>= 5;
         }
         return 1;
     }
     /* old fashion apple lang code */
37d3e066
     if (code >= FF_ARRAY_ELEMS(mov_mdhd_language_map))
e40ee6a2
         return 0;
029ddf33
     if (!mov_mdhd_language_map[code][0])
e40ee6a2
         return 0;
029ddf33
     memcpy(to, mov_mdhd_language_map[code], 4);
e40ee6a2
     return 1;
 }
798c6fac
 
ae628ec1
 int ff_mp4_read_descr_len(AVIOContext *pb)
798c6fac
 {
     int len = 0;
     int count = 4;
     while (count--) {
b7effd4e
         int c = avio_r8(pb);
798c6fac
         len = (len << 7) | (c & 0x7f);
         if (!(c & 0x80))
             break;
     }
     return len;
 }
 
ae628ec1
 int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag)
798c6fac
 {
     int len;
b7effd4e
     *tag = avio_r8(pb);
798c6fac
     len = ff_mp4_read_descr_len(pb);
dfd2a005
     av_dlog(fc, "MPEG4 description: tag=0x%02x len=%d\n", *tag, len);
798c6fac
     return len;
 }
 
ad6c7c1b
 void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
 {
      int flags;
      if (es_id) *es_id = avio_rb16(pb);
      else                avio_rb16(pb);
      flags = avio_r8(pb);
      if (flags & 0x80) //streamDependenceFlag
          avio_rb16(pb);
      if (flags & 0x40) { //URL_Flag
          int len = avio_r8(pb);
          avio_skip(pb, len);
      }
      if (flags & 0x20) //OCRstreamFlag
          avio_rb16(pb);
 }
 
798c6fac
 static const AVCodecTag mp4_audio_types[] = {
36ef5369
     { AV_CODEC_ID_MP3ON4, AOT_PS   }, /* old mp3on4 draft */
     { AV_CODEC_ID_MP3ON4, AOT_L1   }, /* layer 1 */
     { AV_CODEC_ID_MP3ON4, AOT_L2   }, /* layer 2 */
     { AV_CODEC_ID_MP3ON4, AOT_L3   }, /* layer 3 */
     { AV_CODEC_ID_MP4ALS, AOT_ALS  }, /* MPEG-4 ALS */
     { AV_CODEC_ID_NONE,   AOT_NULL },
798c6fac
 };
 
ae628ec1
 int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
798c6fac
 {
     int len, tag;
b7effd4e
     int object_type_id = avio_r8(pb);
     avio_r8(pb); /* stream type */
     avio_rb24(pb); /* buffer size db */
     avio_rb32(pb); /* max bitrate */
     avio_rb32(pb); /* avg bitrate */
798c6fac
 
4c160b68
     if(avcodec_is_open(st->codec)) {
         av_log(fc, AV_LOG_DEBUG, "codec open in read_dec_config_descr\n");
         return -1;
     }
 
798c6fac
     st->codec->codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id);
dfd2a005
     av_dlog(fc, "esds object type id 0x%02x\n", object_type_id);
798c6fac
     len = ff_mp4_read_descr(fc, pb, &tag);
     if (tag == MP4DecSpecificDescrTag) {
dfd2a005
         av_dlog(fc, "Specific MPEG4 header len=%d\n", len);
1c2e07b8
         if (!len || (uint64_t)len > (1<<30))
798c6fac
             return -1;
         av_free(st->codec->extradata);
a807c682
         if (ff_alloc_extradata(st->codec, len))
798c6fac
             return AVERROR(ENOMEM);
b7effd4e
         avio_read(pb, st->codec->extradata, len);
36ef5369
         if (st->codec->codec_id == AV_CODEC_ID_AAC) {
798c6fac
             MPEG4AudioConfig cfg;
59a9a235
             avpriv_mpeg4audio_get_config(&cfg, st->codec->extradata,
fd095539
                                          st->codec->extradata_size * 8, 1);
798c6fac
             st->codec->channels = cfg.channels;
             if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4
82ab61f9
                 st->codec->sample_rate = avpriv_mpa_freq_tab[cfg.sampling_index];
798c6fac
             else if (cfg.ext_sample_rate)
                 st->codec->sample_rate = cfg.ext_sample_rate;
             else
                 st->codec->sample_rate = cfg.sample_rate;
dfd2a005
             av_dlog(fc, "mp4a config channels %d obj %d ext obj %d "
798c6fac
                     "sample rate %d ext sample rate %d\n", st->codec->channels,
                     cfg.object_type, cfg.ext_object_type,
                     cfg.sample_rate, cfg.ext_sample_rate);
             if (!(st->codec->codec_id = ff_codec_get_id(mp4_audio_types,
                                                         cfg.object_type)))
36ef5369
                 st->codec->codec_id = AV_CODEC_ID_AAC;
798c6fac
         }
     }
     return 0;
 }
91b78272
 
 typedef struct MovChannelLayout {
     int64_t  channel_layout;
     uint32_t layout_tag;
 } MovChannelLayout;
 
 static const MovChannelLayout mov_channel_layout[] = {
5241e014
     { AV_CH_LAYOUT_MONO,                         (100<<16) | 1}, // kCAFChannelLayoutTag_Mono
     { AV_CH_LAYOUT_STEREO,                       (101<<16) | 2}, // kCAFChannelLayoutTag_Stereo
     { AV_CH_LAYOUT_STEREO,                       (102<<16) | 2}, // kCAFChannelLayoutTag_StereoHeadphones
     { AV_CH_LAYOUT_2_1,                          (131<<16) | 3}, // kCAFChannelLayoutTag_ITU_2_1
     { AV_CH_LAYOUT_QUAD,                         (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
     { AV_CH_LAYOUT_2_2,                          (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
     { AV_CH_LAYOUT_QUAD,                         (108<<16) | 4}, // kCAFChannelLayoutTag_Quadraphonic
     { AV_CH_LAYOUT_SURROUND,                     (113<<16) | 3}, // kCAFChannelLayoutTag_MPEG_3_0_A
     { AV_CH_LAYOUT_4POINT0,                      (115<<16) | 4}, // kCAFChannelLayoutTag_MPEG_4_0_A
     { AV_CH_LAYOUT_5POINT0_BACK,                 (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
     { AV_CH_LAYOUT_5POINT0,                      (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
     { AV_CH_LAYOUT_5POINT1_BACK,                 (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
     { AV_CH_LAYOUT_5POINT1,                      (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
     { AV_CH_LAYOUT_7POINT1,                      (128<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_C
     { AV_CH_LAYOUT_7POINT1_WIDE,                 (126<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_A
     { AV_CH_LAYOUT_5POINT1_BACK|AV_CH_LAYOUT_STEREO_DOWNMIX, (130<<16) | 8}, // kCAFChannelLayoutTag_SMPTE_DTV
     { AV_CH_LAYOUT_STEREO|AV_CH_LOW_FREQUENCY,   (133<<16) | 3}, // kCAFChannelLayoutTag_DVD_4
     { AV_CH_LAYOUT_2_1|AV_CH_LOW_FREQUENCY,      (134<<16) | 4}, // kCAFChannelLayoutTag_DVD_5
     { AV_CH_LAYOUT_QUAD|AV_CH_LOW_FREQUENCY,     (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
     { AV_CH_LAYOUT_2_2|AV_CH_LOW_FREQUENCY,      (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
     { AV_CH_LAYOUT_SURROUND|AV_CH_LOW_FREQUENCY, (136<<16) | 4}, // kCAFChannelLayoutTag_DVD_10
     { AV_CH_LAYOUT_4POINT0|AV_CH_LOW_FREQUENCY,  (137<<16) | 5}, // kCAFChannelLayoutTag_DVD_11
91b78272
     { 0, 0},
 };
e4c00aca
 #if 0
 int ff_mov_read_chan(AVFormatContext *s, AVStream *st, int64_t size)
91b78272
 {
e4c00aca
     AVCodecContext *codec= st->codec;
91b78272
     uint32_t layout_tag;
     AVIOContext *pb = s->pb;
     const MovChannelLayout *layouts = mov_channel_layout;
e4c00aca
 
     if (size < 12)
         return AVERROR_INVALIDDATA;
 
4f4d1358
     layout_tag = avio_rb32(pb);
     size -= 4;
5241e014
     if (layout_tag == 0) { // kCAFChannelLayoutTag_UseChannelDescriptions
91b78272
         // Channel descriptions not implemented
dcf008af
         av_log_ask_for_sample(s, "Unimplemented container channel layout.\n");
91b78272
         avio_skip(pb, size);
e4c00aca
         return 0;
91b78272
     }
5241e014
     if (layout_tag == 0x10000) { // kCAFChannelLayoutTag_UseChannelBitmap
91b78272
         codec->channel_layout = avio_rb32(pb);
4f4d1358
         size -= 4;
         avio_skip(pb, size);
e4c00aca
         return 0;
91b78272
     }
     while (layouts->channel_layout) {
         if (layout_tag == layouts->layout_tag) {
             codec->channel_layout = layouts->channel_layout;
             break;
         }
         layouts++;
     }
     if (!codec->channel_layout)
dcf008af
         av_log(s, AV_LOG_WARNING, "Unknown container channel layout.\n");
4f4d1358
     avio_skip(pb, size);
e4c00aca
 
     return 0;
91b78272
 }
e4c00aca
 #endif
91b78272
 
6d721f71
 void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
2c4ad1a3
 {
     const MovChannelLayout *layouts;
     uint32_t layout_tag = 0;
 
     for (layouts = mov_channel_layout; layouts->channel_layout; layouts++)
         if (channel_layout == layouts->channel_layout) {
             layout_tag = layouts->layout_tag;
             break;
         }
 
     if (layout_tag) {
5241e014
         avio_wb32(pb, layout_tag); // mChannelLayoutTag
         avio_wb32(pb, 0);          // mChannelBitmap
2c4ad1a3
     } else {
5241e014
         avio_wb32(pb, 0x10000);    // kCAFChannelLayoutTag_UseChannelBitmap
2c4ad1a3
         avio_wb32(pb, channel_layout);
     }
5241e014
     avio_wb32(pb, 0);              // mNumberChannelDescriptions
2c4ad1a3
 }