Libav 0.7.1
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00001 /* 00002 * ISO Media common code 00003 * Copyright (c) 2001 Fabrice Bellard 00004 * Copyright (c) 2002 Francois Revol <revol@free.fr> 00005 * Copyright (c) 2006 Baptiste Coudurier <baptiste.coudurier@free.fr> 00006 * 00007 * This file is part of Libav. 00008 * 00009 * Libav is free software; you can redistribute it and/or 00010 * modify it under the terms of the GNU Lesser General Public 00011 * License as published by the Free Software Foundation; either 00012 * version 2.1 of the License, or (at your option) any later version. 00013 * 00014 * Libav is distributed in the hope that it will be useful, 00015 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00016 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00017 * Lesser General Public License for more details. 00018 * 00019 * You should have received a copy of the GNU Lesser General Public 00020 * License along with Libav; if not, write to the Free Software 00021 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00022 */ 00023 00024 //#define DEBUG 00025 00026 #include "avformat.h" 00027 #include "internal.h" 00028 #include "isom.h" 00029 #include "riff.h" 00030 #include "libavcodec/mpeg4audio.h" 00031 #include "libavcodec/mpegaudiodata.h" 00032 00033 /* http://www.mp4ra.org */ 00034 /* ordered by muxing preference */ 00035 const AVCodecTag ff_mp4_obj_type[] = { 00036 { CODEC_ID_MOV_TEXT , 0x08 }, 00037 { CODEC_ID_MPEG4 , 0x20 }, 00038 { CODEC_ID_H264 , 0x21 }, 00039 { CODEC_ID_AAC , 0x40 }, 00040 { CODEC_ID_MP4ALS , 0x40 }, /* 14496-3 ALS */ 00041 { CODEC_ID_MPEG2VIDEO, 0x61 }, /* MPEG2 Main */ 00042 { CODEC_ID_MPEG2VIDEO, 0x60 }, /* MPEG2 Simple */ 00043 { CODEC_ID_MPEG2VIDEO, 0x62 }, /* MPEG2 SNR */ 00044 { CODEC_ID_MPEG2VIDEO, 0x63 }, /* MPEG2 Spatial */ 00045 { CODEC_ID_MPEG2VIDEO, 0x64 }, /* MPEG2 High */ 00046 { CODEC_ID_MPEG2VIDEO, 0x65 }, /* MPEG2 422 */ 00047 { CODEC_ID_AAC , 0x66 }, /* MPEG2 AAC Main */ 00048 { CODEC_ID_AAC , 0x67 }, /* MPEG2 AAC Low */ 00049 { CODEC_ID_AAC , 0x68 }, /* MPEG2 AAC SSR */ 00050 { CODEC_ID_MP3 , 0x69 }, /* 13818-3 */ 00051 { CODEC_ID_MP2 , 0x69 }, /* 11172-3 */ 00052 { CODEC_ID_MPEG1VIDEO, 0x6A }, /* 11172-2 */ 00053 { CODEC_ID_MP3 , 0x6B }, /* 11172-3 */ 00054 { CODEC_ID_MJPEG , 0x6C }, /* 10918-1 */ 00055 { CODEC_ID_PNG , 0x6D }, 00056 { CODEC_ID_JPEG2000 , 0x6E }, /* 15444-1 */ 00057 { CODEC_ID_VC1 , 0xA3 }, 00058 { CODEC_ID_DIRAC , 0xA4 }, 00059 { CODEC_ID_AC3 , 0xA5 }, 00060 { CODEC_ID_DTS , 0xA9 }, /* mp4ra.org */ 00061 { CODEC_ID_VORBIS , 0xDD }, /* non standard, gpac uses it */ 00062 { CODEC_ID_DVD_SUBTITLE, 0xE0 }, /* non standard, see unsupported-embedded-subs-2.mp4 */ 00063 { CODEC_ID_QCELP , 0xE1 }, 00064 { CODEC_ID_NONE , 0 }, 00065 }; 00066 00067 const AVCodecTag codec_movvideo_tags[] = { 00068 /* { CODEC_ID_, MKTAG('I', 'V', '5', '0') }, *//* Indeo 5.0 */ 00069 00070 { CODEC_ID_RAWVIDEO, MKTAG('r', 'a', 'w', ' ') }, /* Uncompressed RGB */ 00071 { CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', '2') }, /* Uncompressed YUV422 */ 00072 { CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'U', 'I') }, /* YUV with alpha-channel (AVID Uncompressed) */ 00073 { CODEC_ID_RAWVIDEO, MKTAG('2', 'v', 'u', 'y') }, /* UNCOMPRESSED 8BIT 4:2:2 */ 00074 { CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', 's') }, /* same as 2vuy but byte swapped */ 00075 00076 { CODEC_ID_RAWVIDEO, MKTAG('L', '5', '5', '5') }, 00077 { CODEC_ID_RAWVIDEO, MKTAG('L', '5', '6', '5') }, 00078 { CODEC_ID_RAWVIDEO, MKTAG('B', '5', '6', '5') }, 00079 { CODEC_ID_RAWVIDEO, MKTAG('2', '4', 'B', 'G') }, 00080 { CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 'A') }, 00081 { CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 'A') }, 00082 { CODEC_ID_RAWVIDEO, MKTAG('A', 'B', 'G', 'R') }, 00083 { CODEC_ID_RAWVIDEO, MKTAG('b', '1', '6', 'g') }, 00084 { CODEC_ID_RAWVIDEO, MKTAG('b', '4', '8', 'r') }, 00085 { CODEC_ID_RAWVIDEO, MKTAG('D', 'V', 'O', 'O') }, /* Digital Voodoo SD 8 Bit */ 00086 00087 { CODEC_ID_R10K, MKTAG('R', '1', '0', 'k') }, /* UNCOMPRESSED 10BIT RGB */ 00088 { CODEC_ID_R10K, MKTAG('R', '1', '0', 'g') }, /* UNCOMPRESSED 10BIT RGB */ 00089 { CODEC_ID_R210, MKTAG('r', '2', '1', '0') }, /* UNCOMPRESSED 10BIT RGB */ 00090 { CODEC_ID_V210, MKTAG('v', '2', '1', '0') }, /* UNCOMPRESSED 10BIT 4:2:2 */ 00091 00092 { CODEC_ID_MJPEG, MKTAG('j', 'p', 'e', 'g') }, /* PhotoJPEG */ 00093 { CODEC_ID_MJPEG, MKTAG('m', 'j', 'p', 'a') }, /* Motion-JPEG (format A) */ 00094 { CODEC_ID_MJPEG, MKTAG('A', 'V', 'D', 'J') }, /* MJPEG with alpha-channel (AVID JFIF meridien compressed) */ 00095 /* { CODEC_ID_MJPEG, MKTAG('A', 'V', 'R', 'n') }, *//* MJPEG with alpha-channel (AVID ABVB/Truevision NuVista) */ 00096 { CODEC_ID_MJPEG, MKTAG('d', 'm', 'b', '1') }, /* Motion JPEG OpenDML */ 00097 { CODEC_ID_MJPEGB, MKTAG('m', 'j', 'p', 'b') }, /* Motion-JPEG (format B) */ 00098 00099 { CODEC_ID_SVQ1, MKTAG('S', 'V', 'Q', '1') }, /* Sorenson Video v1 */ 00100 { CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', '1') }, /* Sorenson Video v1 */ 00101 { CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', 'i') }, /* Sorenson Video v1 (from QT specs)*/ 00102 { CODEC_ID_SVQ3, MKTAG('S', 'V', 'Q', '3') }, /* Sorenson Video v3 */ 00103 00104 { CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') }, 00105 { CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', 'X') }, /* OpenDiVX *//* sample files at http://heroinewarrior.com/xmovie.php3 use this tag */ 00106 { CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'D') }, 00107 { CODEC_ID_MPEG4, MKTAG('3', 'I', 'V', '2') }, /* experimental: 3IVX files before ivx D4 4.5.1 */ 00108 00109 { CODEC_ID_H263, MKTAG('h', '2', '6', '3') }, /* H263 */ 00110 { CODEC_ID_H263, MKTAG('s', '2', '6', '3') }, /* H263 ?? works */ 00111 00112 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 'p') }, /* DV PAL */ 00113 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') }, /* DV NTSC */ 00114 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'p', 'p') }, /* DVCPRO PAL produced by FCP */ 00115 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'p') }, /* DVCPRO50 PAL produced by FCP */ 00116 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'n') }, /* DVCPRO50 NTSC produced by FCP */ 00117 { CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', 'v') }, /* AVID DV */ 00118 { CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', '1') }, /* AVID DV100 */ 00119 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'q') }, /* DVCPRO HD 720p50 */ 00120 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'p') }, /* DVCPRO HD 720p60 */ 00121 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') }, 00122 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '2') }, 00123 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '4') }, 00124 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '5') }, /* DVCPRO HD 50i produced by FCP */ 00125 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '6') }, /* DVCPRO HD 60i produced by FCP */ 00126 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '3') }, /* DVCPRO HD 30p produced by FCP */ 00127 00128 { CODEC_ID_VP3, MKTAG('V', 'P', '3', '1') }, /* On2 VP3 */ 00129 { CODEC_ID_RPZA, MKTAG('r', 'p', 'z', 'a') }, /* Apple Video (RPZA) */ 00130 { CODEC_ID_CINEPAK, MKTAG('c', 'v', 'i', 'd') }, /* Cinepak */ 00131 { CODEC_ID_8BPS, MKTAG('8', 'B', 'P', 'S') }, /* Planar RGB (8BPS) */ 00132 { CODEC_ID_SMC, MKTAG('s', 'm', 'c', ' ') }, /* Apple Graphics (SMC) */ 00133 { CODEC_ID_QTRLE, MKTAG('r', 'l', 'e', ' ') }, /* Apple Animation (RLE) */ 00134 { CODEC_ID_MSRLE, MKTAG('W', 'R', 'L', 'E') }, 00135 { CODEC_ID_QDRAW, MKTAG('q', 'd', 'r', 'w') }, /* QuickDraw */ 00136 00137 { CODEC_ID_RAWVIDEO, MKTAG('W', 'R', 'A', 'W') }, 00138 00139 { CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') }, /* AVC-1/H.264 */ 00140 { CODEC_ID_H264, MKTAG('a', 'i', '5', '5') }, /* AVC Intra 50 / 1080 interlace */ 00141 { CODEC_ID_H264, MKTAG('a', 'i', '5', 'q') }, /* AVC Intra 50 / 720 */ 00142 { CODEC_ID_H264, MKTAG('a', 'i', '1', '5') }, /* AVC Intra 100 / 1080 interlace */ 00143 { CODEC_ID_H264, MKTAG('a', 'i', '1', 'q') }, /* AVC Intra 100 / 720 */ 00144 { CODEC_ID_H264, MKTAG('a', 'i', '1', '2') }, /* AVC Intra 100 / 1080 */ 00145 00146 { CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', '1') }, /* Apple MPEG-1 Camcorder */ 00147 { CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'e', 'g') }, /* MPEG */ 00148 { CODEC_ID_MPEG2VIDEO, MKTAG('m', '2', 'v', '1') }, /* Apple MPEG-2 Camcorder */ 00149 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '1') }, /* MPEG2 HDV 720p30 */ 00150 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '2') }, /* MPEG2 HDV 1080i60 */ 00151 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '3') }, /* MPEG2 HDV 1080i50 */ 00152 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '5') }, /* MPEG2 HDV 720p25 */ 00153 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '6') }, /* MPEG2 HDV 1080p24 */ 00154 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '7') }, /* MPEG2 HDV 1080p25 */ 00155 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '8') }, /* MPEG2 HDV 1080p30 */ 00156 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'n') }, /* MPEG2 IMX NTSC 525/60 50mb/s produced by FCP */ 00157 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'p') }, /* MPEG2 IMX PAL 625/50 50mb/s produced by FCP */ 00158 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'n') }, /* MPEG2 IMX NTSC 525/60 40mb/s produced by FCP */ 00159 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'p') }, /* MPEG2 IMX PAL 625/50 40mb/s produced by FCP */ 00160 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'n') }, /* MPEG2 IMX NTSC 525/60 30mb/s produced by FCP */ 00161 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'p') }, /* MPEG2 IMX PAL 625/50 30mb/s produced by FCP */ 00162 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '4') }, /* XDCAM HD422 720p24 CBR */ 00163 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '5') }, /* XDCAM HD422 720p25 CBR */ 00164 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '9') }, /* XDCAM HD422 720p60 CBR */ 00165 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'a') }, /* XDCAM HD422 720p50 CBR */ 00166 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'b') }, /* XDCAM HD422 1080i60 CBR */ 00167 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'c') }, /* XDCAM HD422 1080i50 CBR */ 00168 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'd') }, /* XDCAM HD422 1080p24 CBR */ 00169 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'e') }, /* XDCAM HD422 1080p25 CBR */ 00170 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'f') }, /* XDCAM HD422 1080p30 CBR */ 00171 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '1') }, /* XDCAM EX 720p30 VBR */ 00172 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '2') }, /* XDCAM HD 1080i60 */ 00173 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '3') }, /* XDCAM HD 1080i50 VBR */ 00174 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '4') }, /* XDCAM EX 720p24 VBR */ 00175 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '5') }, /* XDCAM EX 720p25 VBR */ 00176 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '6') }, /* XDCAM HD 1080p24 VBR */ 00177 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '7') }, /* XDCAM HD 1080p25 VBR */ 00178 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '8') }, /* XDCAM HD 1080p30 VBR */ 00179 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '9') }, /* XDCAM EX 720p60 VBR */ 00180 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'a') }, /* XDCAM EX 720p50 VBR */ 00181 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'b') }, /* XDCAM EX 1080i60 VBR */ 00182 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'c') }, /* XDCAM EX 1080i50 VBR */ 00183 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'd') }, /* XDCAM EX 1080p24 VBR */ 00184 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'e') }, /* XDCAM EX 1080p25 VBR */ 00185 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'f') }, /* XDCAM EX 1080p30 VBR */ 00186 { CODEC_ID_MPEG2VIDEO, MKTAG('A', 'V', 'm', 'p') }, /* AVID IMX PAL */ 00187 00188 { CODEC_ID_JPEG2000, MKTAG('m', 'j', 'p', '2') }, /* JPEG 2000 produced by FCP */ 00189 00190 { CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') }, /* Truevision Targa */ 00191 { CODEC_ID_TIFF, MKTAG('t', 'i', 'f', 'f') }, /* TIFF embedded in MOV */ 00192 { CODEC_ID_GIF, MKTAG('g', 'i', 'f', ' ') }, /* embedded gif files as frames (usually one "click to play movie" frame) */ 00193 { CODEC_ID_PNG, MKTAG('p', 'n', 'g', ' ') }, 00194 00195 { CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') }, /* SMPTE RP 2025 */ 00196 { CODEC_ID_CAVS, MKTAG('a', 'v', 's', '2') }, 00197 00198 { CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') }, 00199 { CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'n') }, /* AVID DNxHD */ 00200 { CODEC_ID_RAWVIDEO, MKTAG('A', 'V', '1', 'x') }, /* AVID 1:1x */ 00201 { CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'u', 'p') }, 00202 { CODEC_ID_SGI, MKTAG('s', 'g', 'i', ' ') }, /* SGI */ 00203 { CODEC_ID_DPX, MKTAG('d', 'p', 'x', ' ') }, /* DPX */ 00204 00205 { CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'h') }, /* Apple ProRes 422 High Quality */ 00206 { CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'n') }, /* Apple ProRes 422 Standard Definition */ 00207 { CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 's') }, /* Apple ProRes 422 LT */ 00208 { CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'o') }, /* Apple ProRes 422 Proxy */ 00209 { CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'h') }, /* Apple ProRes 4444 */ 00210 00211 { CODEC_ID_NONE, 0 }, 00212 }; 00213 00214 const AVCodecTag codec_movaudio_tags[] = { 00215 { CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') }, 00216 { CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') }, 00217 { CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') }, 00218 { CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') }, 00219 { CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') }, /* 16 bits */ 00220 { CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') }, /* */ 00221 { CODEC_ID_PCM_S16LE, MKTAG('l', 'p', 'c', 'm') }, 00222 { CODEC_ID_PCM_F32BE, MKTAG('f', 'l', '3', '2') }, 00223 { CODEC_ID_PCM_F32LE, MKTAG('f', 'l', '3', '2') }, 00224 { CODEC_ID_PCM_F64BE, MKTAG('f', 'l', '6', '4') }, 00225 { CODEC_ID_PCM_F64LE, MKTAG('f', 'l', '6', '4') }, 00226 { CODEC_ID_PCM_S8, MKTAG('s', 'o', 'w', 't') }, 00227 { CODEC_ID_PCM_U8, MKTAG('r', 'a', 'w', ' ') }, /* 8 bits unsigned */ 00228 { CODEC_ID_PCM_U8, MKTAG('N', 'O', 'N', 'E') }, /* uncompressed */ 00229 { CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') }, /* */ 00230 { CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') }, /* */ 00231 00232 { CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') }, /* IMA-4 ADPCM */ 00233 00234 { CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') }, /* Macintosh Audio Compression and Expansion 3:1 */ 00235 { CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') }, /* Macintosh Audio Compression and Expansion 6:1 */ 00236 00237 { CODEC_ID_MP1, MKTAG('.', 'm', 'p', '1') }, /* MPEG layer 1 */ 00238 { CODEC_ID_MP2, MKTAG('.', 'm', 'p', '2') }, /* MPEG layer 2 */ 00239 00240 { CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') }, /* MPEG layer 3 */ /* sample files at http://www.3ivx.com/showcase.html use this tag */ 00241 { CODEC_ID_MP3, 0x6D730055 }, /* MPEG layer 3 */ 00242 00243 /* { CODEC_ID_OGG_VORBIS, MKTAG('O', 'g', 'g', 'S') }, *//* sample files at http://heroinewarrior.com/xmovie.php3 use this tag */ 00244 00245 { CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') }, /* MPEG-4 AAC */ 00246 { CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F */ 00247 { CODEC_ID_AC3, MKTAG('s', 'a', 'c', '3') }, /* Nero Recode */ 00248 { CODEC_ID_DTS, MKTAG('d', 't', 's', 'c') }, /* mp4ra.org */ 00249 { CODEC_ID_DTS, MKTAG('D', 'T', 'S', ' ') }, /* non-standard */ 00250 00251 { CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */ 00252 { CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */ 00253 00254 { CODEC_ID_GSM, MKTAG('a', 'g', 's', 'm') }, 00255 { CODEC_ID_ALAC, MKTAG('a', 'l', 'a', 'c') }, /* Apple Lossless */ 00256 00257 { CODEC_ID_QCELP, MKTAG('Q','c','l','p') }, 00258 { CODEC_ID_QCELP, MKTAG('Q','c','l','q') }, 00259 { CODEC_ID_QCELP, MKTAG('s','q','c','p') }, /* ISO Media fourcc */ 00260 00261 { CODEC_ID_QDMC, MKTAG('Q', 'D', 'M', 'C') }, /* QDMC */ 00262 { CODEC_ID_QDM2, MKTAG('Q', 'D', 'M', '2') }, /* QDM2 */ 00263 00264 { CODEC_ID_DVAUDIO, MKTAG('v', 'd', 'v', 'a') }, 00265 { CODEC_ID_DVAUDIO, MKTAG('d', 'v', 'c', 'a') }, 00266 00267 { CODEC_ID_WMAV2, MKTAG('W', 'M', 'A', '2') }, 00268 00269 { CODEC_ID_NONE, 0 }, 00270 }; 00271 00272 const AVCodecTag ff_codec_movsubtitle_tags[] = { 00273 { CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') }, 00274 { CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') }, 00275 { CODEC_ID_NONE, 0 }, 00276 }; 00277 00278 /* map numeric codes from mdhd atom to ISO 639 */ 00279 /* cf. QTFileFormat.pdf p253, qtff.pdf p205 */ 00280 /* http://developer.apple.com/documentation/mac/Text/Text-368.html */ 00281 /* deprecated by putting the code as 3*5bit ascii */ 00282 static const char mov_mdhd_language_map[][4] = { 00283 /* 0-9 */ 00284 "eng", "fra", "ger", "ita", "dut", "sve", "spa", "dan", "por", "nor", 00285 "heb", "jpn", "ara", "fin", "gre", "ice", "mlt", "tur", "hr "/*scr*/, "chi"/*ace?*/, 00286 "urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav", "", 00287 "fo ", "", "rus", "chi", "", "iri", "alb", "ron", "ces", "slk", 00288 "slv", "yid", "sr ", "mac", "bul", "ukr", "bel", "uzb", "kaz", "aze", 00289 /*?*/ 00290 "aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon", "", "pus", 00291 "kur", "kas", "snd", "tib", "nep", "san", "mar", "ben", "asm", "guj", 00292 "pa ", "ori", "mal", "kan", "tam", "tel", "", "bur", "khm", "lao", 00293 /* roman? arabic? */ 00294 "vie", "ind", "tgl", "may", "may", "amh", "tir", "orm", "som", "swa", 00295 /*==rundi?*/ 00296 "", "run", "", "mlg", "epo", "", "", "", "", "", 00297 /* 100 */ 00298 "", "", "", "", "", "", "", "", "", "", 00299 "", "", "", "", "", "", "", "", "", "", 00300 "", "", "", "", "", "", "", "", "wel", "baq", 00301 "cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav" 00302 }; 00303 00304 int ff_mov_iso639_to_lang(const char lang[4], int mp4) 00305 { 00306 int i, code = 0; 00307 00308 /* old way, only for QT? */ 00309 for (i = 0; lang[0] && !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) { 00310 if (!strcmp(lang, mov_mdhd_language_map[i])) 00311 return i; 00312 } 00313 /* XXX:can we do that in mov too? */ 00314 if (!mp4) 00315 return -1; 00316 /* handle undefined as such */ 00317 if (lang[0] == '\0') 00318 lang = "und"; 00319 /* 5bit ascii */ 00320 for (i = 0; i < 3; i++) { 00321 uint8_t c = lang[i]; 00322 c -= 0x60; 00323 if (c > 0x1f) 00324 return -1; 00325 code <<= 5; 00326 code |= c; 00327 } 00328 return code; 00329 } 00330 00331 int ff_mov_lang_to_iso639(unsigned code, char to[4]) 00332 { 00333 int i; 00334 memset(to, 0, 4); 00335 /* is it the mangled iso code? */ 00336 /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */ 00337 if (code > 138) { 00338 for (i = 2; i >= 0; i--) { 00339 to[i] = 0x60 + (code & 0x1f); 00340 code >>= 5; 00341 } 00342 return 1; 00343 } 00344 /* old fashion apple lang code */ 00345 if (code >= FF_ARRAY_ELEMS(mov_mdhd_language_map)) 00346 return 0; 00347 if (!mov_mdhd_language_map[code][0]) 00348 return 0; 00349 memcpy(to, mov_mdhd_language_map[code], 4); 00350 return 1; 00351 } 00352 00353 int ff_mp4_read_descr_len(AVIOContext *pb) 00354 { 00355 int len = 0; 00356 int count = 4; 00357 while (count--) { 00358 int c = avio_r8(pb); 00359 len = (len << 7) | (c & 0x7f); 00360 if (!(c & 0x80)) 00361 break; 00362 } 00363 return len; 00364 } 00365 00366 int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag) 00367 { 00368 int len; 00369 *tag = avio_r8(pb); 00370 len = ff_mp4_read_descr_len(pb); 00371 av_dlog(fc, "MPEG4 description: tag=0x%02x len=%d\n", *tag, len); 00372 return len; 00373 } 00374 00375 static const AVCodecTag mp4_audio_types[] = { 00376 { CODEC_ID_MP3ON4, AOT_PS }, /* old mp3on4 draft */ 00377 { CODEC_ID_MP3ON4, AOT_L1 }, /* layer 1 */ 00378 { CODEC_ID_MP3ON4, AOT_L2 }, /* layer 2 */ 00379 { CODEC_ID_MP3ON4, AOT_L3 }, /* layer 3 */ 00380 { CODEC_ID_MP4ALS, AOT_ALS }, /* MPEG-4 ALS */ 00381 { CODEC_ID_NONE, AOT_NULL }, 00382 }; 00383 00384 int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb) 00385 { 00386 int len, tag; 00387 int object_type_id = avio_r8(pb); 00388 avio_r8(pb); /* stream type */ 00389 avio_rb24(pb); /* buffer size db */ 00390 avio_rb32(pb); /* max bitrate */ 00391 avio_rb32(pb); /* avg bitrate */ 00392 00393 st->codec->codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id); 00394 av_dlog(fc, "esds object type id 0x%02x\n", object_type_id); 00395 len = ff_mp4_read_descr(fc, pb, &tag); 00396 if (tag == MP4DecSpecificDescrTag) { 00397 av_dlog(fc, "Specific MPEG4 header len=%d\n", len); 00398 if((uint64_t)len > (1<<30)) 00399 return -1; 00400 av_free(st->codec->extradata); 00401 st->codec->extradata = av_mallocz(len + FF_INPUT_BUFFER_PADDING_SIZE); 00402 if (!st->codec->extradata) 00403 return AVERROR(ENOMEM); 00404 avio_read(pb, st->codec->extradata, len); 00405 st->codec->extradata_size = len; 00406 if (st->codec->codec_id == CODEC_ID_AAC) { 00407 MPEG4AudioConfig cfg; 00408 ff_mpeg4audio_get_config(&cfg, st->codec->extradata, 00409 st->codec->extradata_size); 00410 st->codec->channels = cfg.channels; 00411 if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4 00412 st->codec->sample_rate = ff_mpa_freq_tab[cfg.sampling_index]; 00413 else if (cfg.ext_sample_rate) 00414 st->codec->sample_rate = cfg.ext_sample_rate; 00415 else 00416 st->codec->sample_rate = cfg.sample_rate; 00417 av_dlog(fc, "mp4a config channels %d obj %d ext obj %d " 00418 "sample rate %d ext sample rate %d\n", st->codec->channels, 00419 cfg.object_type, cfg.ext_object_type, 00420 cfg.sample_rate, cfg.ext_sample_rate); 00421 if (!(st->codec->codec_id = ff_codec_get_id(mp4_audio_types, 00422 cfg.object_type))) 00423 st->codec->codec_id = CODEC_ID_AAC; 00424 } 00425 } 00426 return 0; 00427 }