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 Libav. 8 * 9 * Libav 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 * Libav 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 Libav; if not, write to the Free Software 21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 22 */ 23 24//#define DEBUG 25 26#include "avformat.h" 27#include "internal.h" 28#include "isom.h" 29#include "riff.h" 30#include "libavcodec/mpeg4audio.h" 31#include "libavcodec/mpegaudiodata.h" 32 33/* http://www.mp4ra.org */ 34/* ordered by muxing preference */ 35const AVCodecTag ff_mp4_obj_type[] = { 36 { CODEC_ID_MOV_TEXT , 0x08 }, 37 { CODEC_ID_MPEG4 , 0x20 }, 38 { CODEC_ID_H264 , 0x21 }, 39 { CODEC_ID_AAC , 0x40 }, 40 { CODEC_ID_MP4ALS , 0x40 }, /* 14496-3 ALS */ 41 { CODEC_ID_MPEG2VIDEO, 0x61 }, /* MPEG2 Main */ 42 { CODEC_ID_MPEG2VIDEO, 0x60 }, /* MPEG2 Simple */ 43 { CODEC_ID_MPEG2VIDEO, 0x62 }, /* MPEG2 SNR */ 44 { CODEC_ID_MPEG2VIDEO, 0x63 }, /* MPEG2 Spatial */ 45 { CODEC_ID_MPEG2VIDEO, 0x64 }, /* MPEG2 High */ 46 { CODEC_ID_MPEG2VIDEO, 0x65 }, /* MPEG2 422 */ 47 { CODEC_ID_AAC , 0x66 }, /* MPEG2 AAC Main */ 48 { CODEC_ID_AAC , 0x67 }, /* MPEG2 AAC Low */ 49 { CODEC_ID_AAC , 0x68 }, /* MPEG2 AAC SSR */ 50 { CODEC_ID_MP3 , 0x69 }, /* 13818-3 */ 51 { CODEC_ID_MP2 , 0x69 }, /* 11172-3 */ 52 { CODEC_ID_MPEG1VIDEO, 0x6A }, /* 11172-2 */ 53 { CODEC_ID_MP3 , 0x6B }, /* 11172-3 */ 54 { CODEC_ID_MJPEG , 0x6C }, /* 10918-1 */ 55 { CODEC_ID_PNG , 0x6D }, 56 { CODEC_ID_JPEG2000 , 0x6E }, /* 15444-1 */ 57 { CODEC_ID_VC1 , 0xA3 }, 58 { CODEC_ID_DIRAC , 0xA4 }, 59 { CODEC_ID_AC3 , 0xA5 }, 60 { CODEC_ID_DTS , 0xA9 }, /* mp4ra.org */ 61 { CODEC_ID_VORBIS , 0xDD }, /* non standard, gpac uses it */ 62 { CODEC_ID_DVD_SUBTITLE, 0xE0 }, /* non standard, see unsupported-embedded-subs-2.mp4 */ 63 { CODEC_ID_QCELP , 0xE1 }, 64 { CODEC_ID_MPEG4SYSTEMS, 0x01 }, 65 { CODEC_ID_MPEG4SYSTEMS, 0x02 }, 66 { CODEC_ID_NONE , 0 }, 67}; 68 69const AVCodecTag codec_movvideo_tags[] = { 70/* { CODEC_ID_, MKTAG('I', 'V', '5', '0') }, *//* Indeo 5.0 */ 71 72 { CODEC_ID_RAWVIDEO, MKTAG('r', 'a', 'w', ' ') }, /* Uncompressed RGB */ 73 { CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', '2') }, /* Uncompressed YUV422 */ 74 { CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'U', 'I') }, /* YUV with alpha-channel (AVID Uncompressed) */ 75 { CODEC_ID_RAWVIDEO, MKTAG('2', 'v', 'u', 'y') }, /* UNCOMPRESSED 8BIT 4:2:2 */ 76 { CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', 's') }, /* same as 2vuy but byte swapped */ 77 78 { CODEC_ID_RAWVIDEO, MKTAG('L', '5', '5', '5') }, 79 { CODEC_ID_RAWVIDEO, MKTAG('L', '5', '6', '5') }, 80 { CODEC_ID_RAWVIDEO, MKTAG('B', '5', '6', '5') }, 81 { CODEC_ID_RAWVIDEO, MKTAG('2', '4', 'B', 'G') }, 82 { CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 'A') }, 83 { CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 'A') }, 84 { CODEC_ID_RAWVIDEO, MKTAG('A', 'B', 'G', 'R') }, 85 { CODEC_ID_RAWVIDEO, MKTAG('b', '1', '6', 'g') }, 86 { CODEC_ID_RAWVIDEO, MKTAG('b', '4', '8', 'r') }, 87 { CODEC_ID_RAWVIDEO, MKTAG('D', 'V', 'O', 'O') }, /* Digital Voodoo SD 8 Bit */ 88 89 { CODEC_ID_R10K, MKTAG('R', '1', '0', 'k') }, /* UNCOMPRESSED 10BIT RGB */ 90 { CODEC_ID_R10K, MKTAG('R', '1', '0', 'g') }, /* UNCOMPRESSED 10BIT RGB */ 91 { CODEC_ID_R210, MKTAG('r', '2', '1', '0') }, /* UNCOMPRESSED 10BIT RGB */ 92 { CODEC_ID_V210, MKTAG('v', '2', '1', '0') }, /* UNCOMPRESSED 10BIT 4:2:2 */ 93 { CODEC_ID_V410, MKTAG('v', '4', '1', '0') }, /* UNCOMPRESSED 10BIT 4:4:4 */ 94 95 { CODEC_ID_MJPEG, MKTAG('j', 'p', 'e', 'g') }, /* PhotoJPEG */ 96 { CODEC_ID_MJPEG, MKTAG('m', 'j', 'p', 'a') }, /* Motion-JPEG (format A) */ 97 { CODEC_ID_MJPEG, MKTAG('A', 'V', 'D', 'J') }, /* MJPEG with alpha-channel (AVID JFIF meridien compressed) */ 98/* { CODEC_ID_MJPEG, MKTAG('A', 'V', 'R', 'n') }, *//* MJPEG with alpha-channel (AVID ABVB/Truevision NuVista) */ 99 { CODEC_ID_MJPEG, MKTAG('d', 'm', 'b', '1') }, /* Motion JPEG OpenDML */ 100 { CODEC_ID_MJPEGB, MKTAG('m', 'j', 'p', 'b') }, /* Motion-JPEG (format B) */ 101 102 { CODEC_ID_SVQ1, MKTAG('S', 'V', 'Q', '1') }, /* Sorenson Video v1 */ 103 { CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', '1') }, /* Sorenson Video v1 */ 104 { CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', 'i') }, /* Sorenson Video v1 (from QT specs)*/ 105 { CODEC_ID_SVQ3, MKTAG('S', 'V', 'Q', '3') }, /* Sorenson Video v3 */ 106 107 { CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') }, 108 { CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', 'X') }, /* OpenDiVX *//* sample files at http://heroinewarrior.com/xmovie.php3 use this tag */ 109 { CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'D') }, 110 { CODEC_ID_MPEG4, MKTAG('3', 'I', 'V', '2') }, /* experimental: 3IVX files before ivx D4 4.5.1 */ 111 112 { CODEC_ID_H263, MKTAG('h', '2', '6', '3') }, /* H263 */ 113 { CODEC_ID_H263, MKTAG('s', '2', '6', '3') }, /* H263 ?? works */ 114 115 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 'p') }, /* DV PAL */ 116 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') }, /* DV NTSC */ 117 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'p', 'p') }, /* DVCPRO PAL produced by FCP */ 118 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'p') }, /* DVCPRO50 PAL produced by FCP */ 119 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'n') }, /* DVCPRO50 NTSC produced by FCP */ 120 { CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', 'v') }, /* AVID DV */ 121 { CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', '1') }, /* AVID DV100 */ 122 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'q') }, /* DVCPRO HD 720p50 */ 123 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'p') }, /* DVCPRO HD 720p60 */ 124 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') }, 125 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '2') }, 126 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '4') }, 127 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '5') }, /* DVCPRO HD 50i produced by FCP */ 128 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '6') }, /* DVCPRO HD 60i produced by FCP */ 129 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '3') }, /* DVCPRO HD 30p produced by FCP */ 130 131 { CODEC_ID_VP3, MKTAG('V', 'P', '3', '1') }, /* On2 VP3 */ 132 { CODEC_ID_RPZA, MKTAG('r', 'p', 'z', 'a') }, /* Apple Video (RPZA) */ 133 { CODEC_ID_CINEPAK, MKTAG('c', 'v', 'i', 'd') }, /* Cinepak */ 134 { CODEC_ID_8BPS, MKTAG('8', 'B', 'P', 'S') }, /* Planar RGB (8BPS) */ 135 { CODEC_ID_SMC, MKTAG('s', 'm', 'c', ' ') }, /* Apple Graphics (SMC) */ 136 { CODEC_ID_QTRLE, MKTAG('r', 'l', 'e', ' ') }, /* Apple Animation (RLE) */ 137 { CODEC_ID_MSRLE, MKTAG('W', 'R', 'L', 'E') }, 138 { CODEC_ID_QDRAW, MKTAG('q', 'd', 'r', 'w') }, /* QuickDraw */ 139 140 { CODEC_ID_RAWVIDEO, MKTAG('W', 'R', 'A', 'W') }, 141 142 { CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') }, /* AVC-1/H.264 */ 143 { CODEC_ID_H264, MKTAG('a', 'i', '5', 'p') }, /* AVC-Intra 50M 720p24/30/60 */ 144 { CODEC_ID_H264, MKTAG('a', 'i', '5', 'q') }, /* AVC-Intra 50M 720p25/50 */ 145 { CODEC_ID_H264, MKTAG('a', 'i', '5', '2') }, /* AVC-Intra 50M 1080p25/50 */ 146 { CODEC_ID_H264, MKTAG('a', 'i', '5', '3') }, /* AVC-Intra 50M 1080p24/30/60 */ 147 { CODEC_ID_H264, MKTAG('a', 'i', '5', '5') }, /* AVC-Intra 50M 1080i50 */ 148 { CODEC_ID_H264, MKTAG('a', 'i', '5', '6') }, /* AVC-Intra 50M 1080i60 */ 149 { CODEC_ID_H264, MKTAG('a', 'i', '1', 'p') }, /* AVC-Intra 100M 720p24/30/60 */ 150 { CODEC_ID_H264, MKTAG('a', 'i', '1', 'q') }, /* AVC-Intra 100M 720p25/50 */ 151 { CODEC_ID_H264, MKTAG('a', 'i', '1', '2') }, /* AVC-Intra 100M 1080p25/50 */ 152 { CODEC_ID_H264, MKTAG('a', 'i', '1', '3') }, /* AVC-Intra 100M 1080p24/30/60 */ 153 { CODEC_ID_H264, MKTAG('a', 'i', '1', '5') }, /* AVC-Intra 100M 1080i50 */ 154 { CODEC_ID_H264, MKTAG('a', 'i', '1', '6') }, /* AVC-Intra 100M 1080i60 */ 155 156 { CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', '1') }, /* Apple MPEG-1 Camcorder */ 157 { CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'e', 'g') }, /* MPEG */ 158 { CODEC_ID_MPEG2VIDEO, MKTAG('m', '2', 'v', '1') }, /* Apple MPEG-2 Camcorder */ 159 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '1') }, /* MPEG2 HDV 720p30 */ 160 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '2') }, /* MPEG2 HDV 1080i60 */ 161 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '3') }, /* MPEG2 HDV 1080i50 */ 162 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '4') }, /* MPEG2 HDV 720p24 */ 163 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '5') }, /* MPEG2 HDV 720p25 */ 164 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '6') }, /* MPEG2 HDV 1080p24 */ 165 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '7') }, /* MPEG2 HDV 1080p25 */ 166 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '8') }, /* MPEG2 HDV 1080p30 */ 167 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '9') }, /* MPEG2 HDV 720p60 JVC */ 168 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', 'a') }, /* MPEG2 HDV 720p50 */ 169 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'n') }, /* MPEG2 IMX NTSC 525/60 50mb/s produced by FCP */ 170 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'p') }, /* MPEG2 IMX PAL 625/50 50mb/s produced by FCP */ 171 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'n') }, /* MPEG2 IMX NTSC 525/60 40mb/s produced by FCP */ 172 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'p') }, /* MPEG2 IMX PAL 625/50 40mb/s produced by FCP */ 173 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'n') }, /* MPEG2 IMX NTSC 525/60 30mb/s produced by FCP */ 174 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'p') }, /* MPEG2 IMX PAL 625/50 30mb/s produced by FCP */ 175 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '4') }, /* XDCAM HD422 720p24 CBR */ 176 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '5') }, /* XDCAM HD422 720p25 CBR */ 177 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '9') }, /* XDCAM HD422 720p60 CBR */ 178 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'a') }, /* XDCAM HD422 720p50 CBR */ 179 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'b') }, /* XDCAM HD422 1080i60 CBR */ 180 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'c') }, /* XDCAM HD422 1080i50 CBR */ 181 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'd') }, /* XDCAM HD422 1080p24 CBR */ 182 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'e') }, /* XDCAM HD422 1080p25 CBR */ 183 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'f') }, /* XDCAM HD422 1080p30 CBR */ 184 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '1') }, /* XDCAM EX 720p30 VBR */ 185 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '2') }, /* XDCAM HD 1080i60 */ 186 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '3') }, /* XDCAM HD 1080i50 VBR */ 187 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '4') }, /* XDCAM EX 720p24 VBR */ 188 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '5') }, /* XDCAM EX 720p25 VBR */ 189 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '6') }, /* XDCAM HD 1080p24 VBR */ 190 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '7') }, /* XDCAM HD 1080p25 VBR */ 191 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '8') }, /* XDCAM HD 1080p30 VBR */ 192 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '9') }, /* XDCAM EX 720p60 VBR */ 193 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'a') }, /* XDCAM EX 720p50 VBR */ 194 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'b') }, /* XDCAM EX 1080i60 VBR */ 195 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'c') }, /* XDCAM EX 1080i50 VBR */ 196 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'd') }, /* XDCAM EX 1080p24 VBR */ 197 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'e') }, /* XDCAM EX 1080p25 VBR */ 198 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'f') }, /* XDCAM EX 1080p30 VBR */ 199 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', 'd') }, /* XDCAM HD 540p */ 200 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', '2') }, /* XDCAM HD422 540p */ 201 { CODEC_ID_MPEG2VIDEO, MKTAG('A', 'V', 'm', 'p') }, /* AVID IMX PAL */ 202 203 { CODEC_ID_JPEG2000, MKTAG('m', 'j', 'p', '2') }, /* JPEG 2000 produced by FCP */ 204 205 { CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') }, /* Truevision Targa */ 206 { CODEC_ID_TIFF, MKTAG('t', 'i', 'f', 'f') }, /* TIFF embedded in MOV */ 207 { CODEC_ID_GIF, MKTAG('g', 'i', 'f', ' ') }, /* embedded gif files as frames (usually one "click to play movie" frame) */ 208 { CODEC_ID_PNG, MKTAG('p', 'n', 'g', ' ') }, 209 210 { CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') }, /* SMPTE RP 2025 */ 211 { CODEC_ID_CAVS, MKTAG('a', 'v', 's', '2') }, 212 213 { CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') }, 214 { CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'n') }, /* AVID DNxHD */ 215 { CODEC_ID_FLV1, MKTAG('H', '2', '6', '3') }, /* Flash Media Server */ 216 { CODEC_ID_MSMPEG4V3, MKTAG('3', 'I', 'V', 'D') }, /* 3ivx DivX Doctor */ 217 { CODEC_ID_RAWVIDEO, MKTAG('A', 'V', '1', 'x') }, /* AVID 1:1x */ 218 { CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'u', 'p') }, 219 { CODEC_ID_SGI, MKTAG('s', 'g', 'i', ' ') }, /* SGI */ 220 { CODEC_ID_DPX, MKTAG('d', 'p', 'x', ' ') }, /* DPX */ 221 222 { CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'h') }, /* Apple ProRes 422 High Quality */ 223 { CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'n') }, /* Apple ProRes 422 Standard Definition */ 224 { CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 's') }, /* Apple ProRes 422 LT */ 225 { CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'o') }, /* Apple ProRes 422 Proxy */ 226 { CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'h') }, /* Apple ProRes 4444 */ 227 228 { CODEC_ID_NONE, 0 }, 229}; 230 231const AVCodecTag codec_movaudio_tags[] = { 232 { CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') }, 233 { CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F */ 234 { CODEC_ID_AC3, MKTAG('s', 'a', 'c', '3') }, /* Nero Recode */ 235 { CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') }, 236 { CODEC_ID_ALAC, MKTAG('a', 'l', 'a', 'c') }, 237 { CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */ 238 { CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */ 239 { CODEC_ID_DTS, MKTAG('d', 't', 's', 'c') }, /* mp4ra.org */ 240 { CODEC_ID_DTS, MKTAG('D', 'T', 'S', ' ') }, /* non-standard */ 241 { CODEC_ID_DVAUDIO, MKTAG('v', 'd', 'v', 'a') }, 242 { CODEC_ID_DVAUDIO, MKTAG('d', 'v', 'c', 'a') }, 243 { CODEC_ID_GSM, MKTAG('a', 'g', 's', 'm') }, 244 { CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') }, 245 { CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') }, 246 { CODEC_ID_MP1, MKTAG('.', 'm', 'p', '1') }, 247 { CODEC_ID_MP2, MKTAG('.', 'm', 'p', '2') }, 248 { CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') }, 249 { CODEC_ID_MP3, 0x6D730055 }, 250 { CODEC_ID_NELLYMOSER, MKTAG('n', 'm', 'o', 's') }, /* Flash Media Server */ 251 { CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') }, 252 { CODEC_ID_PCM_F32BE, MKTAG('f', 'l', '3', '2') }, 253 { CODEC_ID_PCM_F32LE, MKTAG('f', 'l', '3', '2') }, 254 { CODEC_ID_PCM_F64BE, MKTAG('f', 'l', '6', '4') }, 255 { CODEC_ID_PCM_F64LE, MKTAG('f', 'l', '6', '4') }, 256 { CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') }, 257 { CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') }, 258 { CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') }, 259 { CODEC_ID_PCM_S16LE, MKTAG('l', 'p', 'c', 'm') }, 260 { CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') }, 261 { CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') }, 262 { CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') }, 263 { CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') }, 264 { CODEC_ID_PCM_S8, MKTAG('s', 'o', 'w', 't') }, 265 { CODEC_ID_PCM_U8, MKTAG('r', 'a', 'w', ' ') }, 266 { CODEC_ID_PCM_U8, MKTAG('N', 'O', 'N', 'E') }, 267 { CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'p') }, 268 { CODEC_ID_QCELP, MKTAG('Q', 'c', 'l', 'q') }, 269 { CODEC_ID_QCELP, MKTAG('s', 'q', 'c', 'p') }, /* ISO Media fourcc */ 270 { CODEC_ID_QDM2, MKTAG('Q', 'D', 'M', '2') }, 271 { CODEC_ID_QDMC, MKTAG('Q', 'D', 'M', 'C') }, 272 { CODEC_ID_SPEEX, MKTAG('s', 'p', 'e', 'x') }, /* Flash Media Server */ 273 { CODEC_ID_WMAV2, MKTAG('W', 'M', 'A', '2') }, 274 { CODEC_ID_NONE, 0 }, 275}; 276 277const AVCodecTag ff_codec_movsubtitle_tags[] = { 278 { CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') }, 279 { CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') }, 280 { CODEC_ID_NONE, 0 }, 281}; 282 283/* map numeric codes from mdhd atom to ISO 639 */ 284/* cf. QTFileFormat.pdf p253, qtff.pdf p205 */ 285/* http://developer.apple.com/documentation/mac/Text/Text-368.html */ 286/* deprecated by putting the code as 3*5bit ascii */ 287static const char mov_mdhd_language_map[][4] = { 288 /* 0-9 */ 289 "eng", "fra", "ger", "ita", "dut", "sve", "spa", "dan", "por", "nor", 290 "heb", "jpn", "ara", "fin", "gre", "ice", "mlt", "tur", "hr "/*scr*/, "chi"/*ace?*/, 291 "urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav", "", 292 "fo ", "", "rus", "chi", "", "iri", "alb", "ron", "ces", "slk", 293 "slv", "yid", "sr ", "mac", "bul", "ukr", "bel", "uzb", "kaz", "aze", 294 /*?*/ 295 "aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon", "", "pus", 296 "kur", "kas", "snd", "tib", "nep", "san", "mar", "ben", "asm", "guj", 297 "pa ", "ori", "mal", "kan", "tam", "tel", "", "bur", "khm", "lao", 298 /* roman? arabic? */ 299 "vie", "ind", "tgl", "may", "may", "amh", "tir", "orm", "som", "swa", 300 /*==rundi?*/ 301 "", "run", "", "mlg", "epo", "", "", "", "", "", 302 /* 100 */ 303 "", "", "", "", "", "", "", "", "", "", 304 "", "", "", "", "", "", "", "", "", "", 305 "", "", "", "", "", "", "", "", "wel", "baq", 306 "cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav" 307}; 308 309int ff_mov_iso639_to_lang(const char lang[4], int mp4) 310{ 311 int i, code = 0; 312 313 /* old way, only for QT? */ 314 for (i = 0; lang[0] && !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) { 315 if (!strcmp(lang, mov_mdhd_language_map[i])) 316 return i; 317 } 318 /* XXX:can we do that in mov too? */ 319 if (!mp4) 320 return -1; 321 /* handle undefined as such */ 322 if (lang[0] == '\0') 323 lang = "und"; 324 /* 5bit ascii */ 325 for (i = 0; i < 3; i++) { 326 uint8_t c = lang[i]; 327 c -= 0x60; 328 if (c > 0x1f) 329 return -1; 330 code <<= 5; 331 code |= c; 332 } 333 return code; 334} 335 336int ff_mov_lang_to_iso639(unsigned code, char to[4]) 337{ 338 int i; 339 memset(to, 0, 4); 340 /* is it the mangled iso code? */ 341 /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */ 342 if (code > 138) { 343 for (i = 2; i >= 0; i--) { 344 to[i] = 0x60 + (code & 0x1f); 345 code >>= 5; 346 } 347 return 1; 348 } 349 /* old fashion apple lang code */ 350 if (code >= FF_ARRAY_ELEMS(mov_mdhd_language_map)) 351 return 0; 352 if (!mov_mdhd_language_map[code][0]) 353 return 0; 354 memcpy(to, mov_mdhd_language_map[code], 4); 355 return 1; 356} 357 358int ff_mp4_read_descr_len(AVIOContext *pb) 359{ 360 int len = 0; 361 int count = 4; 362 while (count--) { 363 int c = avio_r8(pb); 364 len = (len << 7) | (c & 0x7f); 365 if (!(c & 0x80)) 366 break; 367 } 368 return len; 369} 370 371int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag) 372{ 373 int len; 374 *tag = avio_r8(pb); 375 len = ff_mp4_read_descr_len(pb); 376 av_dlog(fc, "MPEG4 description: tag=0x%02x len=%d\n", *tag, len); 377 return len; 378} 379 380void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id) 381{ 382 int flags; 383 if (es_id) *es_id = avio_rb16(pb); 384 else avio_rb16(pb); 385 flags = avio_r8(pb); 386 if (flags & 0x80) //streamDependenceFlag 387 avio_rb16(pb); 388 if (flags & 0x40) { //URL_Flag 389 int len = avio_r8(pb); 390 avio_skip(pb, len); 391 } 392 if (flags & 0x20) //OCRstreamFlag 393 avio_rb16(pb); 394} 395 396static const AVCodecTag mp4_audio_types[] = { 397 { CODEC_ID_MP3ON4, AOT_PS }, /* old mp3on4 draft */ 398 { CODEC_ID_MP3ON4, AOT_L1 }, /* layer 1 */ 399 { CODEC_ID_MP3ON4, AOT_L2 }, /* layer 2 */ 400 { CODEC_ID_MP3ON4, AOT_L3 }, /* layer 3 */ 401 { CODEC_ID_MP4ALS, AOT_ALS }, /* MPEG-4 ALS */ 402 { CODEC_ID_NONE, AOT_NULL }, 403}; 404 405int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb) 406{ 407 int len, tag; 408 int object_type_id = avio_r8(pb); 409 avio_r8(pb); /* stream type */ 410 avio_rb24(pb); /* buffer size db */ 411 avio_rb32(pb); /* max bitrate */ 412 avio_rb32(pb); /* avg bitrate */ 413 414 st->codec->codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id); 415 av_dlog(fc, "esds object type id 0x%02x\n", object_type_id); 416 len = ff_mp4_read_descr(fc, pb, &tag); 417 if (tag == MP4DecSpecificDescrTag) { 418 av_dlog(fc, "Specific MPEG4 header len=%d\n", len); 419 if (!len || (uint64_t)len > (1<<30)) 420 return -1; 421 av_free(st->codec->extradata); 422 st->codec->extradata = av_mallocz(len + FF_INPUT_BUFFER_PADDING_SIZE); 423 if (!st->codec->extradata) 424 return AVERROR(ENOMEM); 425 avio_read(pb, st->codec->extradata, len); 426 st->codec->extradata_size = len; 427 if (st->codec->codec_id == CODEC_ID_AAC) { 428 MPEG4AudioConfig cfg; 429 avpriv_mpeg4audio_get_config(&cfg, st->codec->extradata, 430 st->codec->extradata_size * 8, 1); 431 st->codec->channels = cfg.channels; 432 if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4 433 st->codec->sample_rate = avpriv_mpa_freq_tab[cfg.sampling_index]; 434 else if (cfg.ext_sample_rate) 435 st->codec->sample_rate = cfg.ext_sample_rate; 436 else 437 st->codec->sample_rate = cfg.sample_rate; 438 av_dlog(fc, "mp4a config channels %d obj %d ext obj %d " 439 "sample rate %d ext sample rate %d\n", st->codec->channels, 440 cfg.object_type, cfg.ext_object_type, 441 cfg.sample_rate, cfg.ext_sample_rate); 442 if (!(st->codec->codec_id = ff_codec_get_id(mp4_audio_types, 443 cfg.object_type))) 444 st->codec->codec_id = CODEC_ID_AAC; 445 } 446 } 447 return 0; 448} 449