| /* |
| * ISO Media common code |
| * Copyright (c) 2001 Fabrice Bellard |
| * Copyright (c) 2002 Francois Revol <revol@free.fr> |
| * Copyright (c) 2006 Baptiste Coudurier <baptiste.coudurier@free.fr> |
| * |
| * 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 "avformat.h" |
| #include "internal.h" |
| #include "isom.h" |
| #include "libavcodec/mpeg4audio.h" |
| #include "libavcodec/mpegaudiodata.h" |
| #include "libavutil/avstring.h" |
| #include "libavutil/intreadwrite.h" |
| |
| /* http://www.mp4ra.org */ |
| /* ordered by muxing preference */ |
| const AVCodecTag ff_mp4_obj_type[] = { |
| { AV_CODEC_ID_MOV_TEXT , 0x08 }, |
| { AV_CODEC_ID_MPEG4 , 0x20 }, |
| { AV_CODEC_ID_H264 , 0x21 }, |
| { AV_CODEC_ID_HEVC , 0x23 }, |
| { 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_EAC3 , 0xA6 }, |
| { AV_CODEC_ID_DTS , 0xA9 }, /* mp4ra.org */ |
| { AV_CODEC_ID_TSCC2 , 0xD0 }, /* non standard, camtasia uses it */ |
| { 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 }, |
| }; |
| |
| const AVCodecTag ff_codec_movvideo_tags[] = { |
| /* { 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') }, |
| { AV_CODEC_ID_RAWVIDEO, MKTAG('b', 'x', 'b', 'g') }, /* BOXX */ |
| { 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') }, |
| { AV_CODEC_ID_RAWVIDEO, MKTAG('D', 'V', 'O', 'O') }, /* Digital Voodoo SD 8 Bit */ |
| { 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 */ |
| |
| { 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 */ |
| { 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 */ |
| { AV_CODEC_ID_V210, MKTAG('v', '2', '1', '0') }, /* UNCOMPRESSED 10BIT 4:2:2 */ |
| { 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 */ |
| { AV_CODEC_ID_V410, MKTAG('v', '4', '1', '0') }, /* UNCOMPRESSED 10BIT 4:4:4 */ |
| { 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 */ |
| { AV_CODEC_ID_TARGA_Y216, MKTAG('Y', '2', '1', '6') }, |
| |
| { 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_AVRN , 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) */ |
| { AV_CODEC_ID_SGIRLE, MKTAG('r', 'l', 'e', '1') }, /* SGI RLE 8-bit */ |
| { 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') }, |
| |
| { AV_CODEC_ID_HEVC, MKTAG('h', 'e', 'v', '1') }, /* HEVC/H.265 which indicates parameter sets may be in ES */ |
| { AV_CODEC_ID_HEVC, MKTAG('h', 'v', 'c', '1') }, /* HEVC/H.265 which indicates parameter sets shall not be in ES */ |
| |
| { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') }, /* AVC-1/H.264 */ |
| { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '2') }, |
| { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '3') }, |
| { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '4') }, |
| { 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 */ |
| { AV_CODEC_ID_H264, MKTAG('A', 'V', 'i', 'n') }, /* AVC-Intra with implicit SPS/PPS */ |
| { AV_CODEC_ID_H264, MKTAG('a', 'i', 'v', 'x') }, /* XAVC 4:2:2 10bit */ |
| { AV_CODEC_ID_H264, MKTAG('r', 'v', '6', '4') }, /* X-Com Radvision */ |
| |
| { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', ' ') }, |
| { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', '1') }, /* Apple MPEG-1 Camcorder */ |
| { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'e', 'g') }, /* MPEG */ |
| { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', '1', 'v') }, /* CoreMedia CMVideoCodecType */ |
| { 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 */ |
| { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '1') }, /* XDCAM HD422 720p30 CBR */ |
| { 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_MPEG2VIDEO, MKTAG('m', 'p', '2', 'v') }, /* FCP5 */ |
| |
| { 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', ' ') }, |
| { AV_CODEC_ID_PNG, MKTAG('M', 'N', 'G', ' ') }, |
| |
| { 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 */ |
| { AV_CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'h') }, /* AVID DNxHR */ |
| { AV_CODEC_ID_H263, MKTAG('H', '2', '6', '3') }, |
| { 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 */ |
| { AV_CODEC_ID_EXR, MKTAG('e', 'x', 'r', ' ') }, /* OpenEXR */ |
| |
| { 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 */ |
| { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'x') }, /* Apple ProRes 4444 XQ */ |
| { AV_CODEC_ID_FLIC, MKTAG('f', 'l', 'i', 'c') }, |
| |
| { AV_CODEC_ID_AIC, MKTAG('i', 'c', 'o', 'd') }, |
| |
| { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', '1') }, |
| { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', '5') }, |
| { AV_CODEC_ID_HAP, MKTAG('H', 'a', 'p', 'Y') }, |
| |
| { AV_CODEC_ID_DXV, MKTAG('D', 'X', 'D', '3') }, |
| { AV_CODEC_ID_DXV, MKTAG('D', 'X', 'D', 'I') }, |
| |
| { AV_CODEC_ID_NONE, 0 }, |
| }; |
| |
| const AVCodecTag ff_codec_movaudio_tags[] = { |
| { 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_S16BE, MKTAG('l', 'p', 'c', 'm') }, |
| { 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 */ |
| { AV_CODEC_ID_SPEEX, MKTAG('S', 'P', 'X', 'N') }, /* ZygoAudio (quality 10 mode) */ |
| { AV_CODEC_ID_WMAV2, MKTAG('W', 'M', 'A', '2') }, |
| { AV_CODEC_ID_EVRC, MKTAG('s', 'e', 'v', 'c') }, /* 3GPP2 */ |
| { AV_CODEC_ID_SMV, MKTAG('s', 's', 'm', 'v') }, /* 3GPP2 */ |
| { AV_CODEC_ID_NONE, 0 }, |
| }; |
| |
| const AVCodecTag ff_codec_movsubtitle_tags[] = { |
| { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') }, |
| { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') }, |
| { AV_CODEC_ID_EIA_608, MKTAG('c', '6', '0', '8') }, |
| { AV_CODEC_ID_NONE, 0 }, |
| }; |
| |
| /* 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 */ |
| static const char mov_mdhd_language_map[][4] = { |
| /* 0-9 */ |
| "eng", "fra", "ger", "ita", "dut", "sve", "spa", "dan", "por", "nor", |
| "heb", "jpn", "ara", "fin", "gre", "ice", "mlt", "tur", "hr "/*scr*/, "chi"/*ace?*/, |
| "urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav", "", |
| "fo ", "", "rus", "chi", "", "iri", "alb", "ron", "ces", "slk", |
| "slv", "yid", "sr ", "mac", "bul", "ukr", "bel", "uzb", "kaz", "aze", |
| /*?*/ |
| "aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon", "", "pus", |
| "kur", "kas", "snd", "tib", "nep", "san", "mar", "ben", "asm", "guj", |
| "pa ", "ori", "mal", "kan", "tam", "tel", "", "bur", "khm", "lao", |
| /* roman? arabic? */ |
| "vie", "ind", "tgl", "may", "may", "amh", "tir", "orm", "som", "swa", |
| /*==rundi?*/ |
| "", "run", "", "mlg", "epo", "", "", "", "", "", |
| /* 100 */ |
| "", "", "", "", "", "", "", "", "", "", |
| "", "", "", "", "", "", "", "", "", "", |
| "", "", "", "", "", "", "", "", "wel", "baq", |
| "cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav" |
| }; |
| |
| int ff_mov_iso639_to_lang(const char lang[4], int mp4) |
| { |
| int i, code = 0; |
| |
| /* old way, only for QT? */ |
| for (i = 0; lang[0] && !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) { |
| if (!strcmp(lang, mov_mdhd_language_map[i])) |
| return i; |
| } |
| /* XXX:can we do that in mov too? */ |
| if (!mp4) |
| return -1; |
| /* handle undefined as such */ |
| if (lang[0] == '\0') |
| lang = "und"; |
| /* 5bit ascii */ |
| for (i = 0; i < 3; i++) { |
| uint8_t c = lang[i]; |
| c -= 0x60; |
| if (c > 0x1f) |
| return -1; |
| code <<= 5; |
| code |= c; |
| } |
| return code; |
| } |
| |
| int ff_mov_lang_to_iso639(unsigned code, char to[4]) |
| { |
| int i; |
| memset(to, 0, 4); |
| /* is it the mangled iso code? */ |
| /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */ |
| if (code >= 0x400 && code != 0x7fff) { |
| for (i = 2; i >= 0; i--) { |
| to[i] = 0x60 + (code & 0x1f); |
| code >>= 5; |
| } |
| return 1; |
| } |
| /* old fashion apple lang code */ |
| if (code >= FF_ARRAY_ELEMS(mov_mdhd_language_map)) |
| return 0; |
| if (!mov_mdhd_language_map[code][0]) |
| return 0; |
| memcpy(to, mov_mdhd_language_map[code], 4); |
| return 1; |
| } |
| |
| int ff_mp4_read_descr_len(AVIOContext *pb) |
| { |
| int len = 0; |
| int count = 4; |
| while (count--) { |
| int c = avio_r8(pb); |
| len = (len << 7) | (c & 0x7f); |
| if (!(c & 0x80)) |
| break; |
| } |
| return len; |
| } |
| |
| int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag) |
| { |
| int len; |
| *tag = avio_r8(pb); |
| len = ff_mp4_read_descr_len(pb); |
| av_log(fc, AV_LOG_TRACE, "MPEG4 description: tag=0x%02x len=%d\n", *tag, len); |
| return len; |
| } |
| |
| 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); |
| } |
| |
| static const AVCodecTag mp4_audio_types[] = { |
| { 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 }, |
| }; |
| |
| int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb) |
| { |
| enum AVCodecID codec_id; |
| unsigned v; |
| int len, tag; |
| int ret; |
| int object_type_id = avio_r8(pb); |
| avio_r8(pb); /* stream type */ |
| avio_rb24(pb); /* buffer size db */ |
| |
| if(avcodec_is_open(st->codec)) { |
| av_log(fc, AV_LOG_DEBUG, "codec open in read_dec_config_descr\n"); |
| return -1; |
| } |
| |
| v = avio_rb32(pb); |
| if (v < INT32_MAX) |
| st->codec->rc_max_rate = v; |
| |
| st->codec->bit_rate = avio_rb32(pb); /* avg bitrate */ |
| |
| codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id); |
| if (codec_id) |
| st->codec->codec_id= codec_id; |
| av_log(fc, AV_LOG_TRACE, "esds object type id 0x%02x\n", object_type_id); |
| len = ff_mp4_read_descr(fc, pb, &tag); |
| if (tag == MP4DecSpecificDescrTag) { |
| av_log(fc, AV_LOG_TRACE, "Specific MPEG4 header len=%d\n", len); |
| if (!len || (uint64_t)len > (1<<30)) |
| return -1; |
| av_free(st->codec->extradata); |
| if ((ret = ff_get_extradata(st->codec, pb, len)) < 0) |
| return ret; |
| if (st->codec->codec_id == AV_CODEC_ID_AAC) { |
| MPEG4AudioConfig cfg = {0}; |
| avpriv_mpeg4audio_get_config(&cfg, st->codec->extradata, |
| st->codec->extradata_size * 8, 1); |
| st->codec->channels = cfg.channels; |
| if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4 |
| st->codec->sample_rate = avpriv_mpa_freq_tab[cfg.sampling_index]; |
| else if (cfg.ext_sample_rate) |
| st->codec->sample_rate = cfg.ext_sample_rate; |
| else |
| st->codec->sample_rate = cfg.sample_rate; |
| av_log(fc, AV_LOG_TRACE, "mp4a config channels %d obj %d ext obj %d " |
| "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))) |
| st->codec->codec_id = AV_CODEC_ID_AAC; |
| } |
| } |
| return 0; |
| } |
| |
| typedef struct MovChannelLayout { |
| int64_t channel_layout; |
| uint32_t layout_tag; |
| } MovChannelLayout; |
| |
| static const MovChannelLayout mov_channel_layout[] = { |
| { 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 |
| { 0, 0}, |
| }; |
| #if 0 |
| int ff_mov_read_chan(AVFormatContext *s, AVStream *st, int64_t size) |
| { |
| AVCodecContext *codec= st->codec; |
| uint32_t layout_tag; |
| AVIOContext *pb = s->pb; |
| const MovChannelLayout *layouts = mov_channel_layout; |
| |
| if (size < 12) |
| return AVERROR_INVALIDDATA; |
| |
| layout_tag = avio_rb32(pb); |
| size -= 4; |
| if (layout_tag == 0) { // kCAFChannelLayoutTag_UseChannelDescriptions |
| // Channel descriptions not implemented |
| av_log_ask_for_sample(s, "Unimplemented container channel layout.\n"); |
| avio_skip(pb, size); |
| return 0; |
| } |
| if (layout_tag == 0x10000) { // kCAFChannelLayoutTag_UseChannelBitmap |
| codec->channel_layout = avio_rb32(pb); |
| size -= 4; |
| avio_skip(pb, size); |
| return 0; |
| } |
| while (layouts->channel_layout) { |
| if (layout_tag == layouts->layout_tag) { |
| codec->channel_layout = layouts->channel_layout; |
| break; |
| } |
| layouts++; |
| } |
| if (!codec->channel_layout) |
| av_log(s, AV_LOG_WARNING, "Unknown container channel layout.\n"); |
| avio_skip(pb, size); |
| |
| return 0; |
| } |
| #endif |
| |
| void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout) |
| { |
| 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) { |
| avio_wb32(pb, layout_tag); // mChannelLayoutTag |
| avio_wb32(pb, 0); // mChannelBitmap |
| } else { |
| avio_wb32(pb, 0x10000); // kCAFChannelLayoutTag_UseChannelBitmap |
| avio_wb32(pb, channel_layout); |
| } |
| avio_wb32(pb, 0); // mNumberChannelDescriptions |
| } |
| |
| const struct AVCodecTag *avformat_get_mov_video_tags(void) |
| { |
| return ff_codec_movvideo_tags; |
| } |
| |
| const struct AVCodecTag *avformat_get_mov_audio_tags(void) |
| { |
| return ff_codec_movaudio_tags; |
| } |
