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', '4') }, /* MPEG2 HDV 720p24 */ 00153 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '5') }, /* MPEG2 HDV 720p25 */ 00154 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '6') }, /* MPEG2 HDV 1080p24 */ 00155 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '7') }, /* MPEG2 HDV 1080p25 */ 00156 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '8') }, /* MPEG2 HDV 1080p30 */ 00157 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '9') }, /* MPEG2 HDV 720p60 JVC */ 00158 { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', 'a') }, /* MPEG2 HDV 720p50 */ 00159 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'n') }, /* MPEG2 IMX NTSC 525/60 50mb/s produced by FCP */ 00160 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'p') }, /* MPEG2 IMX PAL 625/50 50mb/s produced by FCP */ 00161 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'n') }, /* MPEG2 IMX NTSC 525/60 40mb/s produced by FCP */ 00162 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'p') }, /* MPEG2 IMX PAL 625/50 40mb/s produced by FCP */ 00163 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'n') }, /* MPEG2 IMX NTSC 525/60 30mb/s produced by FCP */ 00164 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'p') }, /* MPEG2 IMX PAL 625/50 30mb/s produced by FCP */ 00165 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '4') }, /* XDCAM HD422 720p24 CBR */ 00166 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '5') }, /* XDCAM HD422 720p25 CBR */ 00167 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '9') }, /* XDCAM HD422 720p60 CBR */ 00168 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'a') }, /* XDCAM HD422 720p50 CBR */ 00169 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'b') }, /* XDCAM HD422 1080i60 CBR */ 00170 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'c') }, /* XDCAM HD422 1080i50 CBR */ 00171 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'd') }, /* XDCAM HD422 1080p24 CBR */ 00172 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'e') }, /* XDCAM HD422 1080p25 CBR */ 00173 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'f') }, /* XDCAM HD422 1080p30 CBR */ 00174 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '1') }, /* XDCAM EX 720p30 VBR */ 00175 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '2') }, /* XDCAM HD 1080i60 */ 00176 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '3') }, /* XDCAM HD 1080i50 VBR */ 00177 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '4') }, /* XDCAM EX 720p24 VBR */ 00178 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '5') }, /* XDCAM EX 720p25 VBR */ 00179 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '6') }, /* XDCAM HD 1080p24 VBR */ 00180 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '7') }, /* XDCAM HD 1080p25 VBR */ 00181 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '8') }, /* XDCAM HD 1080p30 VBR */ 00182 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '9') }, /* XDCAM EX 720p60 VBR */ 00183 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'a') }, /* XDCAM EX 720p50 VBR */ 00184 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'b') }, /* XDCAM EX 1080i60 VBR */ 00185 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'c') }, /* XDCAM EX 1080i50 VBR */ 00186 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'd') }, /* XDCAM EX 1080p24 VBR */ 00187 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'e') }, /* XDCAM EX 1080p25 VBR */ 00188 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'f') }, /* XDCAM EX 1080p30 VBR */ 00189 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', 'd') }, /* XDCAM HD 540p */ 00190 { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', '2') }, /* XDCAM HD422 540p */ 00191 { CODEC_ID_MPEG2VIDEO, MKTAG('A', 'V', 'm', 'p') }, /* AVID IMX PAL */ 00192 00193 { CODEC_ID_JPEG2000, MKTAG('m', 'j', 'p', '2') }, /* JPEG 2000 produced by FCP */ 00194 00195 { CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') }, /* Truevision Targa */ 00196 { CODEC_ID_TIFF, MKTAG('t', 'i', 'f', 'f') }, /* TIFF embedded in MOV */ 00197 { CODEC_ID_GIF, MKTAG('g', 'i', 'f', ' ') }, /* embedded gif files as frames (usually one "click to play movie" frame) */ 00198 { CODEC_ID_PNG, MKTAG('p', 'n', 'g', ' ') }, 00199 00200 { CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') }, /* SMPTE RP 2025 */ 00201 { CODEC_ID_CAVS, MKTAG('a', 'v', 's', '2') }, 00202 00203 { CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') }, 00204 { CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'n') }, /* AVID DNxHD */ 00205 { CODEC_ID_RAWVIDEO, MKTAG('A', 'V', '1', 'x') }, /* AVID 1:1x */ 00206 { CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'u', 'p') }, 00207 { CODEC_ID_SGI, MKTAG('s', 'g', 'i', ' ') }, /* SGI */ 00208 { CODEC_ID_DPX, MKTAG('d', 'p', 'x', ' ') }, /* DPX */ 00209 00210 { CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'h') }, /* Apple ProRes 422 High Quality */ 00211 { CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'n') }, /* Apple ProRes 422 Standard Definition */ 00212 { CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 's') }, /* Apple ProRes 422 LT */ 00213 { CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'o') }, /* Apple ProRes 422 Proxy */ 00214 { CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'h') }, /* Apple ProRes 4444 */ 00215 00216 { CODEC_ID_NONE, 0 }, 00217 }; 00218 00219 const AVCodecTag codec_movaudio_tags[] = { 00220 { CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') }, 00221 { CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') }, 00222 { CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') }, 00223 { CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') }, 00224 { CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') }, /* 16 bits */ 00225 { CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') }, /* */ 00226 { CODEC_ID_PCM_S16LE, MKTAG('l', 'p', 'c', 'm') }, 00227 { CODEC_ID_PCM_F32BE, MKTAG('f', 'l', '3', '2') }, 00228 { CODEC_ID_PCM_F32LE, MKTAG('f', 'l', '3', '2') }, 00229 { CODEC_ID_PCM_F64BE, MKTAG('f', 'l', '6', '4') }, 00230 { CODEC_ID_PCM_F64LE, MKTAG('f', 'l', '6', '4') }, 00231 { CODEC_ID_PCM_S8, MKTAG('s', 'o', 'w', 't') }, 00232 { CODEC_ID_PCM_U8, MKTAG('r', 'a', 'w', ' ') }, /* 8 bits unsigned */ 00233 { CODEC_ID_PCM_U8, MKTAG('N', 'O', 'N', 'E') }, /* uncompressed */ 00234 { CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') }, /* */ 00235 { CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') }, /* */ 00236 00237 { CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') }, /* IMA-4 ADPCM */ 00238 00239 { CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') }, /* Macintosh Audio Compression and Expansion 3:1 */ 00240 { CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') }, /* Macintosh Audio Compression and Expansion 6:1 */ 00241 00242 { CODEC_ID_MP1, MKTAG('.', 'm', 'p', '1') }, /* MPEG layer 1 */ 00243 { CODEC_ID_MP2, MKTAG('.', 'm', 'p', '2') }, /* MPEG layer 2 */ 00244 00245 { CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') }, /* MPEG layer 3 */ /* sample files at http://www.3ivx.com/showcase.html use this tag */ 00246 { CODEC_ID_MP3, 0x6D730055 }, /* MPEG layer 3 */ 00247 00248 /* { CODEC_ID_OGG_VORBIS, MKTAG('O', 'g', 'g', 'S') }, *//* sample files at http://heroinewarrior.com/xmovie.php3 use this tag */ 00249 00250 { CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') }, /* MPEG-4 AAC */ 00251 { CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F */ 00252 { CODEC_ID_AC3, MKTAG('s', 'a', 'c', '3') }, /* Nero Recode */ 00253 { CODEC_ID_DTS, MKTAG('d', 't', 's', 'c') }, /* mp4ra.org */ 00254 { CODEC_ID_DTS, MKTAG('D', 'T', 'S', ' ') }, /* non-standard */ 00255 00256 { CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */ 00257 { CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */ 00258 00259 { CODEC_ID_GSM, MKTAG('a', 'g', 's', 'm') }, 00260 { CODEC_ID_ALAC, MKTAG('a', 'l', 'a', 'c') }, /* Apple Lossless */ 00261 00262 { CODEC_ID_QCELP, MKTAG('Q','c','l','p') }, 00263 { CODEC_ID_QCELP, MKTAG('Q','c','l','q') }, 00264 { CODEC_ID_QCELP, MKTAG('s','q','c','p') }, /* ISO Media fourcc */ 00265 00266 { CODEC_ID_QDMC, MKTAG('Q', 'D', 'M', 'C') }, /* QDMC */ 00267 { CODEC_ID_QDM2, MKTAG('Q', 'D', 'M', '2') }, /* QDM2 */ 00268 00269 { CODEC_ID_DVAUDIO, MKTAG('v', 'd', 'v', 'a') }, 00270 { CODEC_ID_DVAUDIO, MKTAG('d', 'v', 'c', 'a') }, 00271 00272 { CODEC_ID_WMAV2, MKTAG('W', 'M', 'A', '2') }, 00273 00274 { CODEC_ID_NONE, 0 }, 00275 }; 00276 00277 const AVCodecTag ff_codec_movsubtitle_tags[] = { 00278 { CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') }, 00279 { CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') }, 00280 { CODEC_ID_NONE, 0 }, 00281 }; 00282 00283 /* map numeric codes from mdhd atom to ISO 639 */ 00284 /* cf. QTFileFormat.pdf p253, qtff.pdf p205 */ 00285 /* http://developer.apple.com/documentation/mac/Text/Text-368.html */ 00286 /* deprecated by putting the code as 3*5bit ascii */ 00287 static const char mov_mdhd_language_map[][4] = { 00288 /* 0-9 */ 00289 "eng", "fra", "ger", "ita", "dut", "sve", "spa", "dan", "por", "nor", 00290 "heb", "jpn", "ara", "fin", "gre", "ice", "mlt", "tur", "hr "/*scr*/, "chi"/*ace?*/, 00291 "urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav", "", 00292 "fo ", "", "rus", "chi", "", "iri", "alb", "ron", "ces", "slk", 00293 "slv", "yid", "sr ", "mac", "bul", "ukr", "bel", "uzb", "kaz", "aze", 00294 /*?*/ 00295 "aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon", "", "pus", 00296 "kur", "kas", "snd", "tib", "nep", "san", "mar", "ben", "asm", "guj", 00297 "pa ", "ori", "mal", "kan", "tam", "tel", "", "bur", "khm", "lao", 00298 /* roman? arabic? */ 00299 "vie", "ind", "tgl", "may", "may", "amh", "tir", "orm", "som", "swa", 00300 /*==rundi?*/ 00301 "", "run", "", "mlg", "epo", "", "", "", "", "", 00302 /* 100 */ 00303 "", "", "", "", "", "", "", "", "", "", 00304 "", "", "", "", "", "", "", "", "", "", 00305 "", "", "", "", "", "", "", "", "wel", "baq", 00306 "cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav" 00307 }; 00308 00309 int ff_mov_iso639_to_lang(const char lang[4], int mp4) 00310 { 00311 int i, code = 0; 00312 00313 /* old way, only for QT? */ 00314 for (i = 0; lang[0] && !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) { 00315 if (!strcmp(lang, mov_mdhd_language_map[i])) 00316 return i; 00317 } 00318 /* XXX:can we do that in mov too? */ 00319 if (!mp4) 00320 return -1; 00321 /* handle undefined as such */ 00322 if (lang[0] == '\0') 00323 lang = "und"; 00324 /* 5bit ascii */ 00325 for (i = 0; i < 3; i++) { 00326 uint8_t c = lang[i]; 00327 c -= 0x60; 00328 if (c > 0x1f) 00329 return -1; 00330 code <<= 5; 00331 code |= c; 00332 } 00333 return code; 00334 } 00335 00336 int ff_mov_lang_to_iso639(unsigned code, char to[4]) 00337 { 00338 int i; 00339 memset(to, 0, 4); 00340 /* is it the mangled iso code? */ 00341 /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */ 00342 if (code > 138) { 00343 for (i = 2; i >= 0; i--) { 00344 to[i] = 0x60 + (code & 0x1f); 00345 code >>= 5; 00346 } 00347 return 1; 00348 } 00349 /* old fashion apple lang code */ 00350 if (code >= FF_ARRAY_ELEMS(mov_mdhd_language_map)) 00351 return 0; 00352 if (!mov_mdhd_language_map[code][0]) 00353 return 0; 00354 memcpy(to, mov_mdhd_language_map[code], 4); 00355 return 1; 00356 } 00357 00358 int ff_mp4_read_descr_len(AVIOContext *pb) 00359 { 00360 int len = 0; 00361 int count = 4; 00362 while (count--) { 00363 int c = avio_r8(pb); 00364 len = (len << 7) | (c & 0x7f); 00365 if (!(c & 0x80)) 00366 break; 00367 } 00368 return len; 00369 } 00370 00371 int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag) 00372 { 00373 int len; 00374 *tag = avio_r8(pb); 00375 len = ff_mp4_read_descr_len(pb); 00376 av_dlog(fc, "MPEG4 description: tag=0x%02x len=%d\n", *tag, len); 00377 return len; 00378 } 00379 00380 static const AVCodecTag mp4_audio_types[] = { 00381 { CODEC_ID_MP3ON4, AOT_PS }, /* old mp3on4 draft */ 00382 { CODEC_ID_MP3ON4, AOT_L1 }, /* layer 1 */ 00383 { CODEC_ID_MP3ON4, AOT_L2 }, /* layer 2 */ 00384 { CODEC_ID_MP3ON4, AOT_L3 }, /* layer 3 */ 00385 { CODEC_ID_MP4ALS, AOT_ALS }, /* MPEG-4 ALS */ 00386 { CODEC_ID_NONE, AOT_NULL }, 00387 }; 00388 00389 int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb) 00390 { 00391 int len, tag; 00392 int object_type_id = avio_r8(pb); 00393 avio_r8(pb); /* stream type */ 00394 avio_rb24(pb); /* buffer size db */ 00395 avio_rb32(pb); /* max bitrate */ 00396 avio_rb32(pb); /* avg bitrate */ 00397 00398 st->codec->codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id); 00399 av_dlog(fc, "esds object type id 0x%02x\n", object_type_id); 00400 len = ff_mp4_read_descr(fc, pb, &tag); 00401 if (tag == MP4DecSpecificDescrTag) { 00402 av_dlog(fc, "Specific MPEG4 header len=%d\n", len); 00403 if (!len || (uint64_t)len > (1<<30)) 00404 return -1; 00405 av_free(st->codec->extradata); 00406 st->codec->extradata = av_mallocz(len + FF_INPUT_BUFFER_PADDING_SIZE); 00407 if (!st->codec->extradata) 00408 return AVERROR(ENOMEM); 00409 avio_read(pb, st->codec->extradata, len); 00410 st->codec->extradata_size = len; 00411 if (st->codec->codec_id == CODEC_ID_AAC) { 00412 MPEG4AudioConfig cfg; 00413 ff_mpeg4audio_get_config(&cfg, st->codec->extradata, 00414 st->codec->extradata_size); 00415 st->codec->channels = cfg.channels; 00416 if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4 00417 st->codec->sample_rate = ff_mpa_freq_tab[cfg.sampling_index]; 00418 else if (cfg.ext_sample_rate) 00419 st->codec->sample_rate = cfg.ext_sample_rate; 00420 else 00421 st->codec->sample_rate = cfg.sample_rate; 00422 av_dlog(fc, "mp4a config channels %d obj %d ext obj %d " 00423 "sample rate %d ext sample rate %d\n", st->codec->channels, 00424 cfg.object_type, cfg.ext_object_type, 00425 cfg.sample_rate, cfg.ext_sample_rate); 00426 if (!(st->codec->codec_id = ff_codec_get_id(mp4_audio_types, 00427 cfg.object_type))) 00428 st->codec->codec_id = CODEC_ID_AAC; 00429 } 00430 } 00431 return 0; 00432 }