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isom.c
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isom.c
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/*
* 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
*/
//#define DEBUG
#include "avformat.h"
#include "internal.h"
#include "isom.h"
#include "libavcodec/mpeg4audio.h"
#include "libavcodec/mpegaudiodata.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_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 },
};
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') },
{ 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_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) */
{ 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_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 */
{ 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', '1', 'v', ' ') },
{ 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', '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', ' ') },
{ 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_FLV1, MKTAG('H', '2', '6', '3') }, /* Flash Media Server, forced in demuxer */
{ 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_FLIC, MKTAG('f', 'l', 'i', 'c') },
{ 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_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_WMAV2, MKTAG('W', 'M', 'A', '2') },
{ 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_dlog(fc, "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)
{
int len, tag;
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 */
if(avcodec_is_open(st->codec)) {
av_log(fc, AV_LOG_DEBUG, "codec open in read_dec_config_descr\n");
return -1;
}
st->codec->codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id);
av_dlog(fc, "esds object type id 0x%02x\n", object_type_id);
len = ff_mp4_read_descr(fc, pb, &tag);
if (tag == MP4DecSpecificDescrTag) {
av_dlog(fc, "Specific MPEG4 header len=%d\n", len);
if (!len || (uint64_t)len > (1<<30))
return -1;
av_free(st->codec->extradata);
st->codec->extradata = av_mallocz(len + FF_INPUT_BUFFER_PADDING_SIZE);
if (!st->codec->extradata)
return AVERROR(ENOMEM);
avio_read(pb, st->codec->extradata, len);
st->codec->extradata_size = len;
if (st->codec->codec_id == AV_CODEC_ID_AAC) {
MPEG4AudioConfig cfg;
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_dlog(fc, "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
}