LCOV - code coverage report
Current view: top level - libavformat - isom.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 93 111 83.8 %
Date: 2017-12-15 02:19:58 Functions: 7 9 77.8 %

          Line data    Source code
       1             : /*
       2             :  * ISO Media common code
       3             :  * Copyright (c) 2001 Fabrice Bellard
       4             :  * Copyright (c) 2002 Francois Revol <revol@free.fr>
       5             :  * Copyright (c) 2006 Baptiste Coudurier <baptiste.coudurier@free.fr>
       6             :  *
       7             :  * This file is part of FFmpeg.
       8             :  *
       9             :  * FFmpeg is free software; you can redistribute it and/or
      10             :  * modify it under the terms of the GNU Lesser General Public
      11             :  * License as published by the Free Software Foundation; either
      12             :  * version 2.1 of the License, or (at your option) any later version.
      13             :  *
      14             :  * FFmpeg is distributed in the hope that it will be useful,
      15             :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      16             :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      17             :  * Lesser General Public License for more details.
      18             :  *
      19             :  * You should have received a copy of the GNU Lesser General Public
      20             :  * License along with FFmpeg; if not, write to the Free Software
      21             :  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
      22             :  */
      23             : 
      24             : #include "avformat.h"
      25             : #include "internal.h"
      26             : #include "isom.h"
      27             : #include "libavcodec/mpeg4audio.h"
      28             : #include "libavcodec/mpegaudiodata.h"
      29             : #include "libavutil/avstring.h"
      30             : #include "libavutil/intreadwrite.h"
      31             : 
      32             : /* http://www.mp4ra.org */
      33             : /* ordered by muxing preference */
      34             : const AVCodecTag ff_mp4_obj_type[] = {
      35             :     { AV_CODEC_ID_MOV_TEXT    , 0x08 },
      36             :     { AV_CODEC_ID_MPEG4       , 0x20 },
      37             :     { AV_CODEC_ID_H264        , 0x21 },
      38             :     { AV_CODEC_ID_HEVC        , 0x23 },
      39             :     { AV_CODEC_ID_AAC         , 0x40 },
      40             :     { AV_CODEC_ID_MP4ALS      , 0x40 }, /* 14496-3 ALS */
      41             :     { AV_CODEC_ID_MPEG2VIDEO  , 0x61 }, /* MPEG-2 Main */
      42             :     { AV_CODEC_ID_MPEG2VIDEO  , 0x60 }, /* MPEG-2 Simple */
      43             :     { AV_CODEC_ID_MPEG2VIDEO  , 0x62 }, /* MPEG-2 SNR */
      44             :     { AV_CODEC_ID_MPEG2VIDEO  , 0x63 }, /* MPEG-2 Spatial */
      45             :     { AV_CODEC_ID_MPEG2VIDEO  , 0x64 }, /* MPEG-2 High */
      46             :     { AV_CODEC_ID_MPEG2VIDEO  , 0x65 }, /* MPEG-2 422 */
      47             :     { AV_CODEC_ID_AAC         , 0x66 }, /* MPEG-2 AAC Main */
      48             :     { AV_CODEC_ID_AAC         , 0x67 }, /* MPEG-2 AAC Low */
      49             :     { AV_CODEC_ID_AAC         , 0x68 }, /* MPEG-2 AAC SSR */
      50             :     { AV_CODEC_ID_MP3         , 0x69 }, /* 13818-3 */
      51             :     { AV_CODEC_ID_MP2         , 0x69 }, /* 11172-3 */
      52             :     { AV_CODEC_ID_MPEG1VIDEO  , 0x6A }, /* 11172-2 */
      53             :     { AV_CODEC_ID_MP3         , 0x6B }, /* 11172-3 */
      54             :     { AV_CODEC_ID_MJPEG       , 0x6C }, /* 10918-1 */
      55             :     { AV_CODEC_ID_PNG         , 0x6D },
      56             :     { AV_CODEC_ID_JPEG2000    , 0x6E }, /* 15444-1 */
      57             :     { AV_CODEC_ID_VC1         , 0xA3 },
      58             :     { AV_CODEC_ID_DIRAC       , 0xA4 },
      59             :     { AV_CODEC_ID_AC3         , 0xA5 },
      60             :     { AV_CODEC_ID_EAC3        , 0xA6 },
      61             :     { AV_CODEC_ID_DTS         , 0xA9 }, /* mp4ra.org */
      62             :     { AV_CODEC_ID_OPUS        , 0xAD }, /* mp4ra.org */
      63             :     { AV_CODEC_ID_VP9         , 0xB1 }, /* mp4ra.org */
      64             :     { AV_CODEC_ID_FLAC        , 0xC1 }, /* nonstandard, update when there is a standard value */
      65             :     { AV_CODEC_ID_TSCC2       , 0xD0 }, /* nonstandard, camtasia uses it */
      66             :     { AV_CODEC_ID_EVRC        , 0xD1 }, /* nonstandard, pvAuthor uses it */
      67             :     { AV_CODEC_ID_VORBIS      , 0xDD }, /* nonstandard, gpac uses it */
      68             :     { AV_CODEC_ID_DVD_SUBTITLE, 0xE0 }, /* nonstandard, see unsupported-embedded-subs-2.mp4 */
      69             :     { AV_CODEC_ID_QCELP       , 0xE1 },
      70             :     { AV_CODEC_ID_MPEG4SYSTEMS, 0x01 },
      71             :     { AV_CODEC_ID_MPEG4SYSTEMS, 0x02 },
      72             :     { AV_CODEC_ID_NONE        ,    0 },
      73             : };
      74             : 
      75             : const AVCodecTag ff_codec_movvideo_tags[] = {
      76             : /*  { AV_CODEC_ID_, MKTAG('I', 'V', '5', '0') }, *//* Indeo 5.0 */
      77             : 
      78             :     { AV_CODEC_ID_RAWVIDEO, MKTAG('r', 'a', 'w', ' ') }, /* uncompressed RGB */
      79             :     { AV_CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', '2') }, /* uncompressed YUV422 */
      80             :     { AV_CODEC_ID_RAWVIDEO, MKTAG('2', 'v', 'u', 'y') }, /* uncompressed 8-bit 4:2:2 */
      81             :     { AV_CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', 's') }, /* same as 2VUY but byte-swapped */
      82             : 
      83             :     { AV_CODEC_ID_RAWVIDEO, MKTAG('L', '5', '5', '5') },
      84             :     { AV_CODEC_ID_RAWVIDEO, MKTAG('L', '5', '6', '5') },
      85             :     { AV_CODEC_ID_RAWVIDEO, MKTAG('B', '5', '6', '5') },
      86             :     { AV_CODEC_ID_RAWVIDEO, MKTAG('2', '4', 'B', 'G') },
      87             :     { AV_CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 'A') },
      88             :     { AV_CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 'A') },
      89             :     { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'B', 'G', 'R') },
      90             :     { AV_CODEC_ID_RAWVIDEO, MKTAG('b', '1', '6', 'g') },
      91             :     { AV_CODEC_ID_RAWVIDEO, MKTAG('b', '4', '8', 'r') },
      92             :     { AV_CODEC_ID_RAWVIDEO, MKTAG('b', '6', '4', 'a') },
      93             :     { AV_CODEC_ID_RAWVIDEO, MKTAG('b', 'x', 'b', 'g') }, /* BOXX */
      94             :     { AV_CODEC_ID_RAWVIDEO, MKTAG('b', 'x', 'r', 'g') },
      95             :     { AV_CODEC_ID_RAWVIDEO, MKTAG('b', 'x', 'y', 'v') },
      96             :     { AV_CODEC_ID_RAWVIDEO, MKTAG('N', 'O', '1', '6') },
      97             :     { AV_CODEC_ID_RAWVIDEO, MKTAG('D', 'V', 'O', 'O') }, /* Digital Voodoo SD 8 Bit */
      98             :     { AV_CODEC_ID_RAWVIDEO, MKTAG('R', '4', '2', '0') }, /* Radius DV YUV PAL */
      99             :     { AV_CODEC_ID_RAWVIDEO, MKTAG('R', '4', '1', '1') }, /* Radius DV YUV NTSC */
     100             : 
     101             :     { AV_CODEC_ID_R10K,   MKTAG('R', '1', '0', 'k') }, /* uncompressed 10-bit RGB */
     102             :     { AV_CODEC_ID_R10K,   MKTAG('R', '1', '0', 'g') }, /* uncompressed 10-bit RGB */
     103             :     { AV_CODEC_ID_R210,   MKTAG('r', '2', '1', '0') }, /* uncompressed 10-bit RGB */
     104             :     { AV_CODEC_ID_AVUI,   MKTAG('A', 'V', 'U', 'I') }, /* AVID Uncompressed deinterleaved UYVY422 */
     105             :     { AV_CODEC_ID_AVRP,   MKTAG('A', 'V', 'r', 'p') }, /* Avid 1:1 10-bit RGB Packer */
     106             :     { AV_CODEC_ID_AVRP,   MKTAG('S', 'U', 'D', 'S') }, /* Avid DS Uncompressed */
     107             :     { AV_CODEC_ID_V210,   MKTAG('v', '2', '1', '0') }, /* uncompressed 10-bit 4:2:2 */
     108             :     { AV_CODEC_ID_V210,   MKTAG('b', 'x', 'y', '2') }, /* BOXX 10-bit 4:2:2 */
     109             :     { AV_CODEC_ID_V308,   MKTAG('v', '3', '0', '8') }, /* uncompressed  8-bit 4:4:4 */
     110             :     { AV_CODEC_ID_V408,   MKTAG('v', '4', '0', '8') }, /* uncompressed  8-bit 4:4:4:4 */
     111             :     { AV_CODEC_ID_V410,   MKTAG('v', '4', '1', '0') }, /* uncompressed 10-bit 4:4:4 */
     112             :     { AV_CODEC_ID_Y41P,   MKTAG('Y', '4', '1', 'P') }, /* uncompressed 12-bit 4:1:1 */
     113             :     { AV_CODEC_ID_YUV4,   MKTAG('y', 'u', 'v', '4') }, /* libquicktime packed yuv420p */
     114             :     { AV_CODEC_ID_TARGA_Y216, MKTAG('Y', '2', '1', '6') },
     115             : 
     116             :     { AV_CODEC_ID_MJPEG,  MKTAG('j', 'p', 'e', 'g') }, /* PhotoJPEG */
     117             :     { AV_CODEC_ID_MJPEG,  MKTAG('m', 'j', 'p', 'a') }, /* Motion-JPEG (format A) */
     118             :     { AV_CODEC_ID_AVRN ,  MKTAG('A', 'V', 'D', 'J') }, /* MJPEG with alpha-channel (AVID JFIF meridien compressed) */
     119             : /*  { AV_CODEC_ID_MJPEG,  MKTAG('A', 'V', 'R', 'n') }, *//* MJPEG with alpha-channel (AVID ABVB/Truevision NuVista) */
     120             :     { AV_CODEC_ID_MJPEG,  MKTAG('d', 'm', 'b', '1') }, /* Motion JPEG OpenDML */
     121             :     { AV_CODEC_ID_MJPEGB, MKTAG('m', 'j', 'p', 'b') }, /* Motion-JPEG (format B) */
     122             : 
     123             :     { AV_CODEC_ID_SVQ1, MKTAG('S', 'V', 'Q', '1') }, /* Sorenson Video v1 */
     124             :     { AV_CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', '1') }, /* Sorenson Video v1 */
     125             :     { AV_CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', 'i') }, /* Sorenson Video v1 (from QT specs)*/
     126             :     { AV_CODEC_ID_SVQ3, MKTAG('S', 'V', 'Q', '3') }, /* Sorenson Video v3 */
     127             : 
     128             :     { AV_CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
     129             :     { AV_CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', 'X') }, /* OpenDiVX *//* sample files at http://heroinewarrior.com/xmovie.php3 use this tag */
     130             :     { AV_CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'D') },
     131             :     { AV_CODEC_ID_MPEG4, MKTAG('3', 'I', 'V', '2') }, /* experimental: 3IVX files before ivx D4 4.5.1 */
     132             : 
     133             :     { AV_CODEC_ID_H263, MKTAG('h', '2', '6', '3') }, /* H.263 */
     134             :     { AV_CODEC_ID_H263, MKTAG('s', '2', '6', '3') }, /* H.263 ?? works */
     135             : 
     136             :     { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 'p') }, /* DV PAL */
     137             :     { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') }, /* DV NTSC */
     138             :     { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'p', 'p') }, /* DVCPRO PAL produced by FCP */
     139             :     { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'p') }, /* DVCPRO50 PAL produced by FCP */
     140             :     { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'n') }, /* DVCPRO50 NTSC produced by FCP */
     141             :     { AV_CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', 'v') }, /* AVID DV */
     142             :     { AV_CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', '1') }, /* AVID DV100 */
     143             :     { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'q') }, /* DVCPRO HD 720p50 */
     144             :     { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'p') }, /* DVCPRO HD 720p60 */
     145             :     { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') },
     146             :     { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '2') },
     147             :     { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '4') },
     148             :     { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '5') }, /* DVCPRO HD 50i produced by FCP */
     149             :     { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '6') }, /* DVCPRO HD 60i produced by FCP */
     150             :     { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '3') }, /* DVCPRO HD 30p produced by FCP */
     151             : 
     152             :     { AV_CODEC_ID_VP3,     MKTAG('V', 'P', '3', '1') }, /* On2 VP3 */
     153             :     { AV_CODEC_ID_RPZA,    MKTAG('r', 'p', 'z', 'a') }, /* Apple Video (RPZA) */
     154             :     { AV_CODEC_ID_CINEPAK, MKTAG('c', 'v', 'i', 'd') }, /* Cinepak */
     155             :     { AV_CODEC_ID_8BPS,    MKTAG('8', 'B', 'P', 'S') }, /* Planar RGB (8BPS) */
     156             :     { AV_CODEC_ID_SMC,     MKTAG('s', 'm', 'c', ' ') }, /* Apple Graphics (SMC) */
     157             :     { AV_CODEC_ID_QTRLE,   MKTAG('r', 'l', 'e', ' ') }, /* Apple Animation (RLE) */
     158             :     { AV_CODEC_ID_SGIRLE,  MKTAG('r', 'l', 'e', '1') }, /* SGI RLE 8-bit */
     159             :     { AV_CODEC_ID_MSRLE,   MKTAG('W', 'R', 'L', 'E') },
     160             :     { AV_CODEC_ID_QDRAW,   MKTAG('q', 'd', 'r', 'w') }, /* QuickDraw */
     161             : 
     162             :     { AV_CODEC_ID_RAWVIDEO, MKTAG('W', 'R', 'A', 'W') },
     163             : 
     164             :     { AV_CODEC_ID_HEVC, MKTAG('h', 'e', 'v', '1') }, /* HEVC/H.265 which indicates parameter sets may be in ES */
     165             :     { AV_CODEC_ID_HEVC, MKTAG('h', 'v', 'c', '1') }, /* HEVC/H.265 which indicates parameter sets shall not be in ES */
     166             : 
     167             :     { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') }, /* AVC-1/H.264 */
     168             :     { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '2') },
     169             :     { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '3') },
     170             :     { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '4') },
     171             :     { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'p') }, /* AVC-Intra  50M 720p24/30/60 */
     172             :     { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'q') }, /* AVC-Intra  50M 720p25/50 */
     173             :     { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '2') }, /* AVC-Intra  50M 1080p25/50 */
     174             :     { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '3') }, /* AVC-Intra  50M 1080p24/30/60 */
     175             :     { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '5') }, /* AVC-Intra  50M 1080i50 */
     176             :     { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '6') }, /* AVC-Intra  50M 1080i60 */
     177             :     { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'p') }, /* AVC-Intra 100M 720p24/30/60 */
     178             :     { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'q') }, /* AVC-Intra 100M 720p25/50 */
     179             :     { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '2') }, /* AVC-Intra 100M 1080p25/50 */
     180             :     { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '3') }, /* AVC-Intra 100M 1080p24/30/60 */
     181             :     { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '5') }, /* AVC-Intra 100M 1080i50 */
     182             :     { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '6') }, /* AVC-Intra 100M 1080i60 */
     183             :     { AV_CODEC_ID_H264, MKTAG('A', 'V', 'i', 'n') }, /* AVC-Intra with implicit SPS/PPS */
     184             :     { AV_CODEC_ID_H264, MKTAG('a', 'i', 'v', 'x') }, /* XAVC 10-bit 4:2:2 */
     185             :     { AV_CODEC_ID_H264, MKTAG('r', 'v', '6', '4') }, /* X-Com Radvision */
     186             :     { AV_CODEC_ID_H264, MKTAG('x', 'a', 'l', 'g') }, /* XAVC-L HD422 produced by FCP */
     187             :     { AV_CODEC_ID_H264, MKTAG('a', 'v', 'l', 'g') }, /* Panasonic P2 AVC-LongG */
     188             : 
     189             :     { AV_CODEC_ID_VP9,  MKTAG('v', 'p', '0', '9') }, /* VP9 */
     190             : 
     191             :     { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', ' ') },
     192             :     { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', '1') }, /* Apple MPEG-1 Camcorder */
     193             :     { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'e', 'g') }, /* MPEG */
     194             :     { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', '1', 'v') }, /* CoreMedia CMVideoCodecType */
     195             :     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', '2', 'v', '1') }, /* Apple MPEG-2 Camcorder */
     196             :     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '1') }, /* MPEG-2 HDV 720p30 */
     197             :     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '2') }, /* MPEG-2 HDV 1080i60 */
     198             :     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '3') }, /* MPEG-2 HDV 1080i50 */
     199             :     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '4') }, /* MPEG-2 HDV 720p24 */
     200             :     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '5') }, /* MPEG-2 HDV 720p25 */
     201             :     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '6') }, /* MPEG-2 HDV 1080p24 */
     202             :     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '7') }, /* MPEG-2 HDV 1080p25 */
     203             :     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '8') }, /* MPEG-2 HDV 1080p30 */
     204             :     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '9') }, /* MPEG-2 HDV 720p60 JVC */
     205             :     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', 'a') }, /* MPEG-2 HDV 720p50 */
     206             :     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'n') }, /* MPEG-2 IMX NTSC 525/60 50mb/s produced by FCP */
     207             :     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'p') }, /* MPEG-2 IMX PAL 625/50 50mb/s produced by FCP */
     208             :     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'n') }, /* MPEG-2 IMX NTSC 525/60 40mb/s produced by FCP */
     209             :     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'p') }, /* MPEG-2 IMX PAL 625/50 40mb/s produced by FCP */
     210             :     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'n') }, /* MPEG-2 IMX NTSC 525/60 30mb/s produced by FCP */
     211             :     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'p') }, /* MPEG-2 IMX PAL 625/50 30mb/s produced by FCP */
     212             :     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '1') }, /* XDCAM HD422 720p30 CBR */
     213             :     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '4') }, /* XDCAM HD422 720p24 CBR */
     214             :     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '5') }, /* XDCAM HD422 720p25 CBR */
     215             :     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '9') }, /* XDCAM HD422 720p60 CBR */
     216             :     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'a') }, /* XDCAM HD422 720p50 CBR */
     217             :     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'b') }, /* XDCAM HD422 1080i60 CBR */
     218             :     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'c') }, /* XDCAM HD422 1080i50 CBR */
     219             :     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'd') }, /* XDCAM HD422 1080p24 CBR */
     220             :     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'e') }, /* XDCAM HD422 1080p25 CBR */
     221             :     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'f') }, /* XDCAM HD422 1080p30 CBR */
     222             :     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '1') }, /* XDCAM EX 720p30 VBR */
     223             :     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '2') }, /* XDCAM HD 1080i60 */
     224             :     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '3') }, /* XDCAM HD 1080i50 VBR */
     225             :     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '4') }, /* XDCAM EX 720p24 VBR */
     226             :     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '5') }, /* XDCAM EX 720p25 VBR */
     227             :     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '6') }, /* XDCAM HD 1080p24 VBR */
     228             :     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '7') }, /* XDCAM HD 1080p25 VBR */
     229             :     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '8') }, /* XDCAM HD 1080p30 VBR */
     230             :     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '9') }, /* XDCAM EX 720p60 VBR */
     231             :     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'a') }, /* XDCAM EX 720p50 VBR */
     232             :     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'b') }, /* XDCAM EX 1080i60 VBR */
     233             :     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'c') }, /* XDCAM EX 1080i50 VBR */
     234             :     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'd') }, /* XDCAM EX 1080p24 VBR */
     235             :     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'e') }, /* XDCAM EX 1080p25 VBR */
     236             :     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'f') }, /* XDCAM EX 1080p30 VBR */
     237             :     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', 'd') }, /* XDCAM HD 540p */
     238             :     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', '2') }, /* XDCAM HD422 540p */
     239             :     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('A', 'V', 'm', 'p') }, /* AVID IMX PAL */
     240             :     { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', '2', 'v') }, /* FCP5 */
     241             : 
     242             :     { AV_CODEC_ID_JPEG2000, MKTAG('m', 'j', 'p', '2') }, /* JPEG 2000 produced by FCP */
     243             : 
     244             :     { AV_CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') }, /* Truevision Targa */
     245             :     { AV_CODEC_ID_TIFF,  MKTAG('t', 'i', 'f', 'f') }, /* TIFF embedded in MOV */
     246             :     { AV_CODEC_ID_GIF,   MKTAG('g', 'i', 'f', ' ') }, /* embedded gif files as frames (usually one "click to play movie" frame) */
     247             :     { AV_CODEC_ID_PNG,   MKTAG('p', 'n', 'g', ' ') },
     248             :     { AV_CODEC_ID_PNG,   MKTAG('M', 'N', 'G', ' ') },
     249             : 
     250             :     { AV_CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') }, /* SMPTE RP 2025 */
     251             :     { AV_CODEC_ID_CAVS, MKTAG('a', 'v', 's', '2') },
     252             : 
     253             :     { AV_CODEC_ID_DIRAC,     MKTAG('d', 'r', 'a', 'c') },
     254             :     { AV_CODEC_ID_DNXHD,     MKTAG('A', 'V', 'd', 'n') }, /* AVID DNxHD */
     255             :     { AV_CODEC_ID_DNXHD,     MKTAG('A', 'V', 'd', 'h') }, /* AVID DNxHR */
     256             :     { AV_CODEC_ID_H263,      MKTAG('H', '2', '6', '3') },
     257             :     { AV_CODEC_ID_MSMPEG4V3, MKTAG('3', 'I', 'V', 'D') }, /* 3ivx DivX Doctor */
     258             :     { AV_CODEC_ID_RAWVIDEO,  MKTAG('A', 'V', '1', 'x') }, /* AVID 1:1x */
     259             :     { AV_CODEC_ID_RAWVIDEO,  MKTAG('A', 'V', 'u', 'p') },
     260             :     { AV_CODEC_ID_SGI,       MKTAG('s', 'g', 'i', ' ') }, /* SGI  */
     261             :     { AV_CODEC_ID_DPX,       MKTAG('d', 'p', 'x', ' ') }, /* DPX */
     262             :     { AV_CODEC_ID_EXR,       MKTAG('e', 'x', 'r', ' ') }, /* OpenEXR */
     263             : 
     264             :     { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'h') }, /* Apple ProRes 422 High Quality */
     265             :     { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'n') }, /* Apple ProRes 422 Standard Definition */
     266             :     { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 's') }, /* Apple ProRes 422 LT */
     267             :     { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'o') }, /* Apple ProRes 422 Proxy */
     268             :     { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'h') }, /* Apple ProRes 4444 */
     269             :     { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'x') }, /* Apple ProRes 4444 XQ */
     270             :     { AV_CODEC_ID_FLIC,   MKTAG('f', 'l', 'i', 'c') },
     271             : 
     272             :     { AV_CODEC_ID_AIC, MKTAG('i', 'c', 'o', 'd') },
     273             : 
     274             :     { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', '1') },
     275             :     { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', '5') },
     276             :     { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', 'Y') },
     277             :     { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', 'A') },
     278             :     { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', 'M') },
     279             : 
     280             :     { AV_CODEC_ID_DXV, MKTAG('D', 'X', 'D', '3') },
     281             :     { AV_CODEC_ID_DXV, MKTAG('D', 'X', 'D', 'I') },
     282             : 
     283             :     { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'R', '0') },
     284             :     { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'R', 'A') },
     285             :     { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'R', 'G') },
     286             :     { AV_CODEC_ID_MAGICYUV, MKTAG('M', '0', 'Y', '2') },
     287             :     { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'R', 'G') },
     288             :     { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'R', 'A') },
     289             :     { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'G', '0') },
     290             :     { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '0') },
     291             :     { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '2') },
     292             :     { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', '4') },
     293             :     { AV_CODEC_ID_MAGICYUV, MKTAG('M', '8', 'Y', 'A') },
     294             :     { AV_CODEC_ID_MAGICYUV, MKTAG('M', '2', 'R', 'A') },
     295             :     { AV_CODEC_ID_MAGICYUV, MKTAG('M', '2', 'R', 'G') },
     296             : 
     297             :     { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '0') },
     298             :     { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '1') },
     299             :     { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '2') },
     300             :     { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '3') },
     301             :     { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '4') },
     302             :     { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '5') },
     303             :     { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '6') },
     304             :     { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '7') },
     305             : 
     306             :     { AV_CODEC_ID_PIXLET, MKTAG('p', 'x', 'l', 't') },
     307             : 
     308             :     { AV_CODEC_ID_NONE, 0 },
     309             : };
     310             : 
     311             : const AVCodecTag ff_codec_movaudio_tags[] = {
     312             :     { AV_CODEC_ID_AAC,             MKTAG('m', 'p', '4', 'a') },
     313             :     { AV_CODEC_ID_AC3,             MKTAG('a', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F */
     314             :     { AV_CODEC_ID_AC3,             MKTAG('s', 'a', 'c', '3') }, /* Nero Recode */
     315             :     { AV_CODEC_ID_ADPCM_IMA_QT,    MKTAG('i', 'm', 'a', '4') },
     316             :     { AV_CODEC_ID_ALAC,            MKTAG('a', 'l', 'a', 'c') },
     317             :     { AV_CODEC_ID_AMR_NB,          MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */
     318             :     { AV_CODEC_ID_AMR_WB,          MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */
     319             :     { AV_CODEC_ID_DTS,             MKTAG('d', 't', 's', 'c') }, /* DTS formats prior to DTS-HD */
     320             :     { AV_CODEC_ID_DTS,             MKTAG('d', 't', 's', 'h') }, /* DTS-HD audio formats */
     321             :     { AV_CODEC_ID_DTS,             MKTAG('d', 't', 's', 'l') }, /* DTS-HD Lossless formats */
     322             :     { AV_CODEC_ID_DTS,             MKTAG('d', 't', 's', 'e') }, /* DTS Express */
     323             :     { AV_CODEC_ID_DTS,             MKTAG('D', 'T', 'S', ' ') }, /* non-standard */
     324             :     { AV_CODEC_ID_EAC3,            MKTAG('e', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F (only valid in ISOBMFF) */
     325             :     { AV_CODEC_ID_DVAUDIO,         MKTAG('v', 'd', 'v', 'a') },
     326             :     { AV_CODEC_ID_DVAUDIO,         MKTAG('d', 'v', 'c', 'a') },
     327             :     { AV_CODEC_ID_GSM,             MKTAG('a', 'g', 's', 'm') },
     328             :     { AV_CODEC_ID_ILBC,            MKTAG('i', 'l', 'b', 'c') },
     329             :     { AV_CODEC_ID_MACE3,           MKTAG('M', 'A', 'C', '3') },
     330             :     { AV_CODEC_ID_MACE6,           MKTAG('M', 'A', 'C', '6') },
     331             :     { AV_CODEC_ID_MP1,             MKTAG('.', 'm', 'p', '1') },
     332             :     { AV_CODEC_ID_MP2,             MKTAG('.', 'm', 'p', '2') },
     333             :     { AV_CODEC_ID_MP3,             MKTAG('.', 'm', 'p', '3') },
     334             :     { AV_CODEC_ID_MP3,             0x6D730055                },
     335             :     { AV_CODEC_ID_NELLYMOSER,      MKTAG('n', 'm', 'o', 's') }, /* Flash Media Server */
     336             :     { AV_CODEC_ID_NELLYMOSER,      MKTAG('N', 'E', 'L', 'L') }, /* Perian */
     337             :     { AV_CODEC_ID_PCM_ALAW,        MKTAG('a', 'l', 'a', 'w') },
     338             :     { AV_CODEC_ID_PCM_F32BE,       MKTAG('f', 'l', '3', '2') },
     339             :     { AV_CODEC_ID_PCM_F32LE,       MKTAG('f', 'l', '3', '2') },
     340             :     { AV_CODEC_ID_PCM_F64BE,       MKTAG('f', 'l', '6', '4') },
     341             :     { AV_CODEC_ID_PCM_F64LE,       MKTAG('f', 'l', '6', '4') },
     342             :     { AV_CODEC_ID_PCM_MULAW,       MKTAG('u', 'l', 'a', 'w') },
     343             :     { AV_CODEC_ID_PCM_S16BE,       MKTAG('t', 'w', 'o', 's') },
     344             :     { AV_CODEC_ID_PCM_S16LE,       MKTAG('s', 'o', 'w', 't') },
     345             :     { AV_CODEC_ID_PCM_S16BE,       MKTAG('l', 'p', 'c', 'm') },
     346             :     { AV_CODEC_ID_PCM_S16LE,       MKTAG('l', 'p', 'c', 'm') },
     347             :     { AV_CODEC_ID_PCM_S24BE,       MKTAG('i', 'n', '2', '4') },
     348             :     { AV_CODEC_ID_PCM_S24LE,       MKTAG('i', 'n', '2', '4') },
     349             :     { AV_CODEC_ID_PCM_S32BE,       MKTAG('i', 'n', '3', '2') },
     350             :     { AV_CODEC_ID_PCM_S32LE,       MKTAG('i', 'n', '3', '2') },
     351             :     { AV_CODEC_ID_PCM_S8,          MKTAG('s', 'o', 'w', 't') },
     352             :     { AV_CODEC_ID_PCM_U8,          MKTAG('r', 'a', 'w', ' ') },
     353             :     { AV_CODEC_ID_PCM_U8,          MKTAG('N', 'O', 'N', 'E') },
     354             :     { AV_CODEC_ID_QCELP,           MKTAG('Q', 'c', 'l', 'p') },
     355             :     { AV_CODEC_ID_QCELP,           MKTAG('Q', 'c', 'l', 'q') },
     356             :     { AV_CODEC_ID_QCELP,           MKTAG('s', 'q', 'c', 'p') }, /* ISO Media fourcc */
     357             :     { AV_CODEC_ID_QDM2,            MKTAG('Q', 'D', 'M', '2') },
     358             :     { AV_CODEC_ID_QDMC,            MKTAG('Q', 'D', 'M', 'C') },
     359             :     { AV_CODEC_ID_SPEEX,           MKTAG('s', 'p', 'e', 'x') }, /* Flash Media Server */
     360             :     { AV_CODEC_ID_SPEEX,           MKTAG('S', 'P', 'X', 'N') }, /* ZygoAudio (quality 10 mode) */
     361             :     { AV_CODEC_ID_EVRC,            MKTAG('s', 'e', 'v', 'c') }, /* 3GPP2 */
     362             :     { AV_CODEC_ID_SMV,             MKTAG('s', 's', 'm', 'v') }, /* 3GPP2 */
     363             :     { AV_CODEC_ID_FLAC,            MKTAG('f', 'L', 'a', 'C') }, /* nonstandard */
     364             :     { AV_CODEC_ID_OPUS,            MKTAG('O', 'p', 'u', 's') }, /* mp4ra.org */
     365             :     { AV_CODEC_ID_NONE, 0 },
     366             : };
     367             : 
     368             : const AVCodecTag ff_codec_movsubtitle_tags[] = {
     369             :     { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') },
     370             :     { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
     371             :     { AV_CODEC_ID_EIA_608,  MKTAG('c', '6', '0', '8') },
     372             :     { AV_CODEC_ID_NONE, 0 },
     373             : };
     374             : 
     375             : /* map numeric codes from mdhd atom to ISO 639 */
     376             : /* cf. QTFileFormat.pdf p253, qtff.pdf p205 */
     377             : /* http://developer.apple.com/documentation/mac/Text/Text-368.html */
     378             : /* deprecated by putting the code as 3*5 bits ASCII */
     379             : static const char mov_mdhd_language_map[][4] = {
     380             :     /* 0-9 */
     381             :     "eng", "fra", "ger", "ita", "dut", "sve", "spa", "dan", "por", "nor",
     382             :     "heb", "jpn", "ara", "fin", "gre", "ice", "mlt", "tur", "hr "/*scr*/, "chi"/*ace?*/,
     383             :     "urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav",    "",
     384             :     "fo ",    "", "rus", "chi",    "", "iri", "alb", "ron", "ces", "slk",
     385             :     "slv", "yid", "sr ", "mac", "bul", "ukr", "bel", "uzb", "kaz", "aze",
     386             :     /*?*/
     387             :     "aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon",    "", "pus",
     388             :     "kur", "kas", "snd", "tib", "nep", "san", "mar", "ben", "asm", "guj",
     389             :     "pa ", "ori", "mal", "kan", "tam", "tel",    "", "bur", "khm", "lao",
     390             :     /*                   roman? arabic? */
     391             :     "vie", "ind", "tgl", "may", "may", "amh", "tir", "orm", "som", "swa",
     392             :     /*==rundi?*/
     393             :        "", "run",    "", "mlg", "epo",    "",    "",    "",    "",    "",
     394             :     /* 100 */
     395             :        "",    "",    "",    "",    "",    "",    "",    "",    "",    "",
     396             :        "",    "",    "",    "",    "",    "",    "",    "",    "",    "",
     397             :        "",    "",    "",    "",    "",    "",    "",    "", "wel", "baq",
     398             :     "cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav"
     399             : };
     400             : 
     401         213 : int ff_mov_iso639_to_lang(const char lang[4], int mp4)
     402             : {
     403         213 :     int i, code = 0;
     404             : 
     405             :     /* old way, only for QT? */
     406       15503 :     for (i = 0; lang[0] && !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) {
     407       15297 :         if (!strcmp(lang, mov_mdhd_language_map[i]))
     408           7 :             return i;
     409             :     }
     410             :     /* XXX:can we do that in mov too? */
     411         206 :     if (!mp4)
     412         110 :         return -1;
     413             :     /* handle undefined as such */
     414          96 :     if (lang[0] == '\0')
     415           0 :         lang = "und";
     416             :     /* 5 bits ASCII */
     417         384 :     for (i = 0; i < 3; i++) {
     418         288 :         uint8_t c = lang[i];
     419         288 :         c -= 0x60;
     420         288 :         if (c > 0x1f)
     421           0 :             return -1;
     422         288 :         code <<= 5;
     423         288 :         code |= c;
     424             :     }
     425          96 :     return code;
     426             : }
     427             : 
     428         486 : int ff_mov_lang_to_iso639(unsigned code, char to[4])
     429             : {
     430             :     int i;
     431         486 :     memset(to, 0, 4);
     432             :     /* is it the mangled iso code? */
     433             :     /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */
     434         486 :     if (code >= 0x400 && code != 0x7fff) {
     435         788 :         for (i = 2; i >= 0; i--) {
     436         591 :             to[i] = 0x60 + (code & 0x1f);
     437         591 :             code >>= 5;
     438             :         }
     439         197 :         return 1;
     440             :     }
     441             :     /* old fashion apple lang code */
     442         289 :     if (code >= FF_ARRAY_ELEMS(mov_mdhd_language_map))
     443           0 :         return 0;
     444         289 :     if (!mov_mdhd_language_map[code][0])
     445           0 :         return 0;
     446         289 :     memcpy(to, mov_mdhd_language_map[code], 4);
     447         289 :     return 1;
     448             : }
     449             : 
     450         378 : int ff_mp4_read_descr_len(AVIOContext *pb)
     451             : {
     452         378 :     int len = 0;
     453         378 :     int count = 4;
     454        1767 :     while (count--) {
     455        1389 :         int c = avio_r8(pb);
     456        1389 :         len = (len << 7) | (c & 0x7f);
     457        1389 :         if (!(c & 0x80))
     458         378 :             break;
     459             :     }
     460         378 :     return len;
     461             : }
     462             : 
     463         378 : int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag)
     464             : {
     465             :     int len;
     466         378 :     *tag = avio_r8(pb);
     467         378 :     len = ff_mp4_read_descr_len(pb);
     468         378 :     av_log(fc, AV_LOG_TRACE, "MPEG-4 description: tag=0x%02x len=%d\n", *tag, len);
     469         378 :     return len;
     470             : }
     471             : 
     472         126 : void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
     473             : {
     474             :      int flags;
     475         126 :      if (es_id) *es_id = avio_rb16(pb);
     476         126 :      else                avio_rb16(pb);
     477         126 :      flags = avio_r8(pb);
     478         126 :      if (flags & 0x80) //streamDependenceFlag
     479           0 :          avio_rb16(pb);
     480         126 :      if (flags & 0x40) { //URL_Flag
     481           0 :          int len = avio_r8(pb);
     482           0 :          avio_skip(pb, len);
     483             :      }
     484         126 :      if (flags & 0x20) //OCRstreamFlag
     485           0 :          avio_rb16(pb);
     486         126 : }
     487             : 
     488             : static const AVCodecTag mp4_audio_types[] = {
     489             :     { AV_CODEC_ID_MP3ON4, AOT_PS   }, /* old mp3on4 draft */
     490             :     { AV_CODEC_ID_MP3ON4, AOT_L1   }, /* layer 1 */
     491             :     { AV_CODEC_ID_MP3ON4, AOT_L2   }, /* layer 2 */
     492             :     { AV_CODEC_ID_MP3ON4, AOT_L3   }, /* layer 3 */
     493             :     { AV_CODEC_ID_MP4ALS, AOT_ALS  }, /* MPEG-4 ALS */
     494             :     { AV_CODEC_ID_NONE,   AOT_NULL },
     495             : };
     496             : 
     497         126 : int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
     498             : {
     499             :     enum AVCodecID codec_id;
     500             :     unsigned v;
     501             :     int len, tag;
     502             :     int ret;
     503         126 :     int object_type_id = avio_r8(pb);
     504         126 :     avio_r8(pb); /* stream type */
     505         126 :     avio_rb24(pb); /* buffer size db */
     506             : 
     507         126 :     v = avio_rb32(pb);
     508             : 
     509             :     // TODO: fix this with codecpar
     510             : #if FF_API_LAVF_AVCTX
     511             : FF_DISABLE_DEPRECATION_WARNINGS
     512         126 :     if (v < INT32_MAX)
     513         126 :         st->codec->rc_max_rate = v;
     514             : FF_ENABLE_DEPRECATION_WARNINGS
     515             : #endif
     516             : 
     517         126 :     st->codecpar->bit_rate = avio_rb32(pb); /* avg bitrate */
     518             : 
     519         126 :     codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id);
     520         126 :     if (codec_id)
     521         126 :         st->codecpar->codec_id = codec_id;
     522         126 :     av_log(fc, AV_LOG_TRACE, "esds object type id 0x%02x\n", object_type_id);
     523         126 :     len = ff_mp4_read_descr(fc, pb, &tag);
     524         126 :     if (tag == MP4DecSpecificDescrTag) {
     525         125 :         av_log(fc, AV_LOG_TRACE, "Specific MPEG-4 header len=%d\n", len);
     526         125 :         if (!len || (uint64_t)len > (1<<30))
     527           0 :             return AVERROR_INVALIDDATA;
     528         125 :         av_free(st->codecpar->extradata);
     529         125 :         if ((ret = ff_get_extradata(fc, st->codecpar, pb, len)) < 0)
     530           0 :             return ret;
     531         125 :         if (st->codecpar->codec_id == AV_CODEC_ID_AAC) {
     532         108 :             MPEG4AudioConfig cfg = {0};
     533         108 :             ret = avpriv_mpeg4audio_get_config(&cfg, st->codecpar->extradata,
     534         108 :                                                st->codecpar->extradata_size * 8, 1);
     535         108 :             if (ret < 0)
     536           0 :                 return ret;
     537         108 :             st->codecpar->channels = cfg.channels;
     538         108 :             if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4
     539           0 :                 st->codecpar->sample_rate = avpriv_mpa_freq_tab[cfg.sampling_index];
     540         108 :             else if (cfg.ext_sample_rate)
     541          28 :                 st->codecpar->sample_rate = cfg.ext_sample_rate;
     542             :             else
     543          80 :                 st->codecpar->sample_rate = cfg.sample_rate;
     544         216 :             av_log(fc, AV_LOG_TRACE, "mp4a config channels %d obj %d ext obj %d "
     545         108 :                     "sample rate %d ext sample rate %d\n", st->codecpar->channels,
     546             :                     cfg.object_type, cfg.ext_object_type,
     547             :                     cfg.sample_rate, cfg.ext_sample_rate);
     548         108 :             if (!(st->codecpar->codec_id = ff_codec_get_id(mp4_audio_types,
     549         108 :                                                         cfg.object_type)))
     550         102 :                 st->codecpar->codec_id = AV_CODEC_ID_AAC;
     551             :         }
     552             :     }
     553         126 :     return 0;
     554             : }
     555             : 
     556             : typedef struct MovChannelLayout {
     557             :     int64_t  channel_layout;
     558             :     uint32_t layout_tag;
     559             : } MovChannelLayout;
     560             : 
     561             : static const MovChannelLayout mov_channel_layout[] = {
     562             :     { AV_CH_LAYOUT_MONO,                         (100<<16) | 1}, // kCAFChannelLayoutTag_Mono
     563             :     { AV_CH_LAYOUT_STEREO,                       (101<<16) | 2}, // kCAFChannelLayoutTag_Stereo
     564             :     { AV_CH_LAYOUT_STEREO,                       (102<<16) | 2}, // kCAFChannelLayoutTag_StereoHeadphones
     565             :     { AV_CH_LAYOUT_2_1,                          (131<<16) | 3}, // kCAFChannelLayoutTag_ITU_2_1
     566             :     { AV_CH_LAYOUT_QUAD,                         (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
     567             :     { AV_CH_LAYOUT_2_2,                          (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
     568             :     { AV_CH_LAYOUT_QUAD,                         (108<<16) | 4}, // kCAFChannelLayoutTag_Quadraphonic
     569             :     { AV_CH_LAYOUT_SURROUND,                     (113<<16) | 3}, // kCAFChannelLayoutTag_MPEG_3_0_A
     570             :     { AV_CH_LAYOUT_4POINT0,                      (115<<16) | 4}, // kCAFChannelLayoutTag_MPEG_4_0_A
     571             :     { AV_CH_LAYOUT_5POINT0_BACK,                 (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
     572             :     { AV_CH_LAYOUT_5POINT0,                      (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
     573             :     { AV_CH_LAYOUT_5POINT1_BACK,                 (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
     574             :     { AV_CH_LAYOUT_5POINT1,                      (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
     575             :     { AV_CH_LAYOUT_7POINT1,                      (128<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_C
     576             :     { AV_CH_LAYOUT_7POINT1_WIDE,                 (126<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_A
     577             :     { AV_CH_LAYOUT_5POINT1_BACK|AV_CH_LAYOUT_STEREO_DOWNMIX, (130<<16) | 8}, // kCAFChannelLayoutTag_SMPTE_DTV
     578             :     { AV_CH_LAYOUT_STEREO|AV_CH_LOW_FREQUENCY,   (133<<16) | 3}, // kCAFChannelLayoutTag_DVD_4
     579             :     { AV_CH_LAYOUT_2_1|AV_CH_LOW_FREQUENCY,      (134<<16) | 4}, // kCAFChannelLayoutTag_DVD_5
     580             :     { AV_CH_LAYOUT_QUAD|AV_CH_LOW_FREQUENCY,     (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
     581             :     { AV_CH_LAYOUT_2_2|AV_CH_LOW_FREQUENCY,      (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
     582             :     { AV_CH_LAYOUT_SURROUND|AV_CH_LOW_FREQUENCY, (136<<16) | 4}, // kCAFChannelLayoutTag_DVD_10
     583             :     { AV_CH_LAYOUT_4POINT0|AV_CH_LOW_FREQUENCY,  (137<<16) | 5}, // kCAFChannelLayoutTag_DVD_11
     584             :     { 0, 0},
     585             : };
     586             : #if 0
     587             : int ff_mov_read_chan(AVFormatContext *s, AVStream *st, int64_t size)
     588             : {
     589             :     AVCodecContext *codec= st->codec;
     590             :     uint32_t layout_tag;
     591             :     AVIOContext *pb = s->pb;
     592             :     const MovChannelLayout *layouts = mov_channel_layout;
     593             : 
     594             :     if (size < 12)
     595             :         return AVERROR_INVALIDDATA;
     596             : 
     597             :     layout_tag = avio_rb32(pb);
     598             :     size -= 4;
     599             :     if (layout_tag == 0) { // kCAFChannelLayoutTag_UseChannelDescriptions
     600             :         // Channel descriptions not implemented
     601             :         av_log_ask_for_sample(s, "Unimplemented container channel layout.\n");
     602             :         avio_skip(pb, size);
     603             :         return 0;
     604             :     }
     605             :     if (layout_tag == 0x10000) { // kCAFChannelLayoutTag_UseChannelBitmap
     606             :         codec->channel_layout = avio_rb32(pb);
     607             :         size -= 4;
     608             :         avio_skip(pb, size);
     609             :         return 0;
     610             :     }
     611             :     while (layouts->channel_layout) {
     612             :         if (layout_tag == layouts->layout_tag) {
     613             :             codec->channel_layout = layouts->channel_layout;
     614             :             break;
     615             :         }
     616             :         layouts++;
     617             :     }
     618             :     if (!codec->channel_layout)
     619             :         av_log(s, AV_LOG_WARNING, "Unknown container channel layout.\n");
     620             :     avio_skip(pb, size);
     621             : 
     622             :     return 0;
     623             : }
     624             : #endif
     625             : 
     626           1 : void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
     627             : {
     628             :     const MovChannelLayout *layouts;
     629           1 :     uint32_t layout_tag = 0;
     630             : 
     631           1 :     for (layouts = mov_channel_layout; layouts->channel_layout; layouts++)
     632           1 :         if (channel_layout == layouts->channel_layout) {
     633           1 :             layout_tag = layouts->layout_tag;
     634           1 :             break;
     635             :         }
     636             : 
     637           1 :     if (layout_tag) {
     638           1 :         avio_wb32(pb, layout_tag); // mChannelLayoutTag
     639           1 :         avio_wb32(pb, 0);          // mChannelBitmap
     640             :     } else {
     641           0 :         avio_wb32(pb, 0x10000);    // kCAFChannelLayoutTag_UseChannelBitmap
     642           0 :         avio_wb32(pb, channel_layout);
     643             :     }
     644           1 :     avio_wb32(pb, 0);              // mNumberChannelDescriptions
     645           1 : }
     646             : 
     647           0 : const struct AVCodecTag *avformat_get_mov_video_tags(void)
     648             : {
     649           0 :     return ff_codec_movvideo_tags;
     650             : }
     651             : 
     652           0 : const struct AVCodecTag *avformat_get_mov_audio_tags(void)
     653             : {
     654           0 :     return ff_codec_movaudio_tags;
     655             : }

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