Libav
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00001 /* 00002 * RIFF codec tags 00003 * Copyright (c) 2000 Fabrice Bellard 00004 * 00005 * This file is part of FFmpeg. 00006 * 00007 * FFmpeg is free software; you can redistribute it and/or 00008 * modify it under the terms of the GNU Lesser General Public 00009 * License as published by the Free Software Foundation; either 00010 * version 2.1 of the License, or (at your option) any later version. 00011 * 00012 * FFmpeg is distributed in the hope that it will be useful, 00013 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00015 * Lesser General Public License for more details. 00016 * 00017 * You should have received a copy of the GNU Lesser General Public 00018 * License along with FFmpeg; if not, write to the Free Software 00019 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00020 */ 00021 00022 #include "libavcodec/avcodec.h" 00023 #include "avformat.h" 00024 #include "riff.h" 00025 #include "libavcodec/bytestream.h" 00026 00027 /* Note: when encoding, the first matching tag is used, so order is 00028 important if multiple tags possible for a given codec. */ 00029 const AVCodecTag ff_codec_bmp_tags[] = { 00030 { CODEC_ID_H264, MKTAG('H', '2', '6', '4') }, 00031 { CODEC_ID_H264, MKTAG('h', '2', '6', '4') }, 00032 { CODEC_ID_H264, MKTAG('X', '2', '6', '4') }, 00033 { CODEC_ID_H264, MKTAG('x', '2', '6', '4') }, 00034 { CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') }, 00035 { CODEC_ID_H264, MKTAG('V', 'S', 'S', 'H') }, 00036 { CODEC_ID_H263, MKTAG('H', '2', '6', '3') }, 00037 { CODEC_ID_H263, MKTAG('X', '2', '6', '3') }, 00038 { CODEC_ID_H263, MKTAG('T', '2', '6', '3') }, 00039 { CODEC_ID_H263, MKTAG('L', '2', '6', '3') }, 00040 { CODEC_ID_H263, MKTAG('V', 'X', '1', 'K') }, 00041 { CODEC_ID_H263, MKTAG('Z', 'y', 'G', 'o') }, 00042 { CODEC_ID_H263P, MKTAG('H', '2', '6', '3') }, 00043 { CODEC_ID_H263I, MKTAG('I', '2', '6', '3') }, /* intel h263 */ 00044 { CODEC_ID_H261, MKTAG('H', '2', '6', '1') }, 00045 { CODEC_ID_H263P, MKTAG('U', '2', '6', '3') }, 00046 { CODEC_ID_H263P, MKTAG('v', 'i', 'v', '1') }, 00047 { CODEC_ID_MPEG4, MKTAG('F', 'M', 'P', '4') }, 00048 { CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', 'X') }, 00049 { CODEC_ID_MPEG4, MKTAG('D', 'X', '5', '0') }, 00050 { CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'D') }, 00051 { CODEC_ID_MPEG4, MKTAG('M', 'P', '4', 'S') }, 00052 { CODEC_ID_MPEG4, MKTAG('M', '4', 'S', '2') }, 00053 { CODEC_ID_MPEG4, MKTAG( 4 , 0 , 0 , 0 ) }, /* some broken avi use this */ 00054 { CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', '1') }, 00055 { CODEC_ID_MPEG4, MKTAG('B', 'L', 'Z', '0') }, 00056 { CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') }, 00057 { CODEC_ID_MPEG4, MKTAG('U', 'M', 'P', '4') }, 00058 { CODEC_ID_MPEG4, MKTAG('W', 'V', '1', 'F') }, 00059 { CODEC_ID_MPEG4, MKTAG('S', 'E', 'D', 'G') }, 00060 { CODEC_ID_MPEG4, MKTAG('R', 'M', 'P', '4') }, 00061 { CODEC_ID_MPEG4, MKTAG('3', 'I', 'V', '2') }, 00062 { CODEC_ID_MPEG4, MKTAG('F', 'F', 'D', 'S') }, 00063 { CODEC_ID_MPEG4, MKTAG('F', 'V', 'F', 'W') }, 00064 { CODEC_ID_MPEG4, MKTAG('D', 'C', 'O', 'D') }, 00065 { CODEC_ID_MPEG4, MKTAG('M', 'V', 'X', 'M') }, 00066 { CODEC_ID_MPEG4, MKTAG('P', 'M', '4', 'V') }, 00067 { CODEC_ID_MPEG4, MKTAG('S', 'M', 'P', '4') }, 00068 { CODEC_ID_MPEG4, MKTAG('D', 'X', 'G', 'M') }, 00069 { CODEC_ID_MPEG4, MKTAG('V', 'I', 'D', 'M') }, 00070 { CODEC_ID_MPEG4, MKTAG('M', '4', 'T', '3') }, 00071 { CODEC_ID_MPEG4, MKTAG('G', 'E', 'O', 'X') }, 00072 { CODEC_ID_MPEG4, MKTAG('H', 'D', 'X', '4') }, /* flipped video */ 00073 { CODEC_ID_MPEG4, MKTAG('D', 'M', 'K', '2') }, 00074 { CODEC_ID_MPEG4, MKTAG('D', 'I', 'G', 'I') }, 00075 { CODEC_ID_MPEG4, MKTAG('I', 'N', 'M', 'C') }, 00076 { CODEC_ID_MPEG4, MKTAG('E', 'P', 'H', 'V') }, /* Ephv MPEG-4 */ 00077 { CODEC_ID_MPEG4, MKTAG('E', 'M', '4', 'A') }, 00078 { CODEC_ID_MPEG4, MKTAG('M', '4', 'C', 'C') }, /* Divio MPEG-4 */ 00079 { CODEC_ID_MPEG4, MKTAG('S', 'N', '4', '0') }, 00080 { CODEC_ID_MPEG4, MKTAG('V', 'S', 'P', 'X') }, 00081 { CODEC_ID_MPEG4, MKTAG('U', 'L', 'D', 'X') }, 00082 { CODEC_ID_MPEG4, MKTAG('G', 'E', 'O', 'V') }, 00083 { CODEC_ID_MPEG4, MKTAG('S', 'I', 'P', 'P') }, /* Samsung SHR-6040 */ 00084 { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '3') }, /* default signature when using MSMPEG4 */ 00085 { CODEC_ID_MSMPEG4V3, MKTAG('M', 'P', '4', '3') }, 00086 { CODEC_ID_MSMPEG4V3, MKTAG('M', 'P', 'G', '3') }, 00087 { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '5') }, 00088 { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '6') }, 00089 { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '4') }, 00090 { CODEC_ID_MSMPEG4V3, MKTAG('D', 'V', 'X', '3') }, 00091 { CODEC_ID_MSMPEG4V3, MKTAG('A', 'P', '4', '1') }, 00092 { CODEC_ID_MSMPEG4V3, MKTAG('C', 'O', 'L', '1') }, 00093 { CODEC_ID_MSMPEG4V3, MKTAG('C', 'O', 'L', '0') }, 00094 { CODEC_ID_MSMPEG4V2, MKTAG('M', 'P', '4', '2') }, 00095 { CODEC_ID_MSMPEG4V2, MKTAG('D', 'I', 'V', '2') }, 00096 { CODEC_ID_MSMPEG4V1, MKTAG('M', 'P', 'G', '4') }, 00097 { CODEC_ID_MSMPEG4V1, MKTAG('M', 'P', '4', '1') }, 00098 { CODEC_ID_WMV1, MKTAG('W', 'M', 'V', '1') }, 00099 { CODEC_ID_WMV2, MKTAG('W', 'M', 'V', '2') }, 00100 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 's', 'd') }, 00101 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'd') }, 00102 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') }, 00103 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 's', 'l') }, 00104 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '2', '5') }, 00105 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', '0') }, 00106 { CODEC_ID_DVVIDEO, MKTAG('c', 'd', 'v', 'c') }, /* Canopus DV */ 00107 { CODEC_ID_DVVIDEO, MKTAG('C', 'D', 'V', 'H') }, /* Canopus DV */ 00108 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') }, 00109 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 's') }, 00110 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') }, 00111 { CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'g', '1') }, 00112 { CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'g', '2') }, 00113 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', 'g', '2') }, 00114 { CODEC_ID_MPEG2VIDEO, MKTAG('M', 'P', 'E', 'G') }, 00115 { CODEC_ID_MPEG1VIDEO, MKTAG('P', 'I', 'M', '1') }, 00116 { CODEC_ID_MPEG2VIDEO, MKTAG('P', 'I', 'M', '2') }, 00117 { CODEC_ID_MPEG1VIDEO, MKTAG('V', 'C', 'R', '2') }, 00118 { CODEC_ID_MPEG1VIDEO, MKTAG( 1 , 0 , 0 , 16) }, 00119 { CODEC_ID_MPEG2VIDEO, MKTAG( 2 , 0 , 0 , 16) }, 00120 { CODEC_ID_MPEG4, MKTAG( 4 , 0 , 0 , 16) }, 00121 { CODEC_ID_MPEG2VIDEO, MKTAG('D', 'V', 'R', ' ') }, 00122 { CODEC_ID_MPEG2VIDEO, MKTAG('M', 'M', 'E', 'S') }, 00123 { CODEC_ID_MPEG2VIDEO, MKTAG('L', 'M', 'P', '2') }, /* Lead MPEG2 in avi */ 00124 { CODEC_ID_MPEG2VIDEO, MKTAG('s', 'l', 'i', 'f') }, 00125 { CODEC_ID_MPEG2VIDEO, MKTAG('E', 'M', '2', 'V') }, 00126 { CODEC_ID_MJPEG, MKTAG('M', 'J', 'P', 'G') }, 00127 { CODEC_ID_MJPEG, MKTAG('L', 'J', 'P', 'G') }, 00128 { CODEC_ID_MJPEG, MKTAG('d', 'm', 'b', '1') }, 00129 { CODEC_ID_MJPEG, MKTAG('m', 'j', 'p', 'a') }, 00130 { CODEC_ID_LJPEG, MKTAG('L', 'J', 'P', 'G') }, 00131 { CODEC_ID_MJPEG, MKTAG('J', 'P', 'G', 'L') }, /* Pegasus lossless JPEG */ 00132 { CODEC_ID_JPEGLS, MKTAG('M', 'J', 'L', 'S') }, /* JPEG-LS custom FOURCC for avi - encoder */ 00133 { CODEC_ID_MJPEG, MKTAG('M', 'J', 'L', 'S') }, /* JPEG-LS custom FOURCC for avi - decoder */ 00134 { CODEC_ID_MJPEG, MKTAG('j', 'p', 'e', 'g') }, 00135 { CODEC_ID_MJPEG, MKTAG('I', 'J', 'P', 'G') }, 00136 { CODEC_ID_MJPEG, MKTAG('A', 'V', 'R', 'n') }, 00137 { CODEC_ID_MJPEG, MKTAG('A', 'C', 'D', 'V') }, 00138 { CODEC_ID_MJPEG, MKTAG('Q', 'I', 'V', 'G') }, 00139 { CODEC_ID_MJPEG, MKTAG('S', 'L', 'M', 'J') }, /* SL M-JPEG */ 00140 { CODEC_ID_MJPEG, MKTAG('C', 'J', 'P', 'G') }, /* Creative Webcam JPEG */ 00141 { CODEC_ID_MJPEG, MKTAG('I', 'J', 'L', 'V') }, /* Intel JPEG Library Video Codec */ 00142 { CODEC_ID_MJPEG, MKTAG('M', 'V', 'J', 'P') }, /* Midvid JPEG Video Codec */ 00143 { CODEC_ID_MJPEG, MKTAG('A', 'V', 'I', '1') }, 00144 { CODEC_ID_MJPEG, MKTAG('A', 'V', 'I', '2') }, 00145 { CODEC_ID_MJPEG, MKTAG('M', 'T', 'S', 'J') }, 00146 { CODEC_ID_MJPEG, MKTAG('Z', 'J', 'P', 'G') }, /* Paradigm Matrix M-JPEG Codec */ 00147 { CODEC_ID_HUFFYUV, MKTAG('H', 'F', 'Y', 'U') }, 00148 { CODEC_ID_FFVHUFF, MKTAG('F', 'F', 'V', 'H') }, 00149 { CODEC_ID_CYUV, MKTAG('C', 'Y', 'U', 'V') }, 00150 { CODEC_ID_RAWVIDEO, MKTAG( 0 , 0 , 0 , 0 ) }, 00151 { CODEC_ID_RAWVIDEO, MKTAG( 3 , 0 , 0 , 0 ) }, 00152 { CODEC_ID_RAWVIDEO, MKTAG('I', '4', '2', '0') }, 00153 { CODEC_ID_RAWVIDEO, MKTAG('Y', 'U', 'Y', '2') }, 00154 { CODEC_ID_RAWVIDEO, MKTAG('Y', '4', '2', '2') }, 00155 { CODEC_ID_RAWVIDEO, MKTAG('V', '4', '2', '2') }, 00156 { CODEC_ID_RAWVIDEO, MKTAG('Y', 'U', 'N', 'V') }, 00157 { CODEC_ID_RAWVIDEO, MKTAG('U', 'Y', 'N', 'V') }, 00158 { CODEC_ID_RAWVIDEO, MKTAG('U', 'Y', 'N', 'Y') }, 00159 { CODEC_ID_RAWVIDEO, MKTAG('u', 'y', 'v', '1') }, 00160 { CODEC_ID_RAWVIDEO, MKTAG('2', 'V', 'u', '1') }, 00161 { CODEC_ID_RAWVIDEO, MKTAG('2', 'v', 'u', 'y') }, 00162 { CODEC_ID_RAWVIDEO, MKTAG('P', '4', '2', '2') }, 00163 { CODEC_ID_RAWVIDEO, MKTAG('Y', 'V', '1', '2') }, 00164 { CODEC_ID_RAWVIDEO, MKTAG('U', 'Y', 'V', 'Y') }, 00165 { CODEC_ID_RAWVIDEO, MKTAG('V', 'Y', 'U', 'Y') }, 00166 { CODEC_ID_RAWVIDEO, MKTAG('I', 'Y', 'U', 'V') }, 00167 { CODEC_ID_RAWVIDEO, MKTAG('Y', '8', '0', '0') }, 00168 { CODEC_ID_RAWVIDEO, MKTAG('H', 'D', 'Y', 'C') }, 00169 { CODEC_ID_RAWVIDEO, MKTAG('Y', 'V', 'U', '9') }, 00170 { CODEC_ID_RAWVIDEO, MKTAG('V', 'D', 'T', 'Z') }, /* SoftLab-NSK VideoTizer */ 00171 { CODEC_ID_FRWU, MKTAG('F', 'R', 'W', 'U') }, 00172 { CODEC_ID_R210, MKTAG('r', '2', '1', '0') }, 00173 { CODEC_ID_V210, MKTAG('v', '2', '1', '0') }, 00174 { CODEC_ID_INDEO3, MKTAG('I', 'V', '3', '1') }, 00175 { CODEC_ID_INDEO3, MKTAG('I', 'V', '3', '2') }, 00176 { CODEC_ID_INDEO4, MKTAG('I', 'V', '4', '1') }, 00177 { CODEC_ID_INDEO5, MKTAG('I', 'V', '5', '0') }, 00178 { CODEC_ID_VP3, MKTAG('V', 'P', '3', '1') }, 00179 { CODEC_ID_VP3, MKTAG('V', 'P', '3', '0') }, 00180 { CODEC_ID_VP5, MKTAG('V', 'P', '5', '0') }, 00181 { CODEC_ID_VP6, MKTAG('V', 'P', '6', '0') }, 00182 { CODEC_ID_VP6, MKTAG('V', 'P', '6', '1') }, 00183 { CODEC_ID_VP6, MKTAG('V', 'P', '6', '2') }, 00184 { CODEC_ID_VP6F, MKTAG('V', 'P', '6', 'F') }, 00185 { CODEC_ID_VP6F, MKTAG('F', 'L', 'V', '4') }, 00186 { CODEC_ID_VP8, MKTAG('V', 'P', '8', '0') }, 00187 { CODEC_ID_ASV1, MKTAG('A', 'S', 'V', '1') }, 00188 { CODEC_ID_ASV2, MKTAG('A', 'S', 'V', '2') }, 00189 { CODEC_ID_VCR1, MKTAG('V', 'C', 'R', '1') }, 00190 { CODEC_ID_FFV1, MKTAG('F', 'F', 'V', '1') }, 00191 { CODEC_ID_XAN_WC4, MKTAG('X', 'x', 'a', 'n') }, 00192 { CODEC_ID_MIMIC, MKTAG('L', 'M', '2', '0') }, 00193 { CODEC_ID_MSRLE, MKTAG('m', 'r', 'l', 'e') }, 00194 { CODEC_ID_MSRLE, MKTAG( 1 , 0 , 0 , 0 ) }, 00195 { CODEC_ID_MSRLE, MKTAG( 2 , 0 , 0 , 0 ) }, 00196 { CODEC_ID_MSVIDEO1, MKTAG('M', 'S', 'V', 'C') }, 00197 { CODEC_ID_MSVIDEO1, MKTAG('m', 's', 'v', 'c') }, 00198 { CODEC_ID_MSVIDEO1, MKTAG('C', 'R', 'A', 'M') }, 00199 { CODEC_ID_MSVIDEO1, MKTAG('c', 'r', 'a', 'm') }, 00200 { CODEC_ID_MSVIDEO1, MKTAG('W', 'H', 'A', 'M') }, 00201 { CODEC_ID_MSVIDEO1, MKTAG('w', 'h', 'a', 'm') }, 00202 { CODEC_ID_CINEPAK, MKTAG('c', 'v', 'i', 'd') }, 00203 { CODEC_ID_TRUEMOTION1, MKTAG('D', 'U', 'C', 'K') }, 00204 { CODEC_ID_TRUEMOTION1, MKTAG('P', 'V', 'E', 'Z') }, 00205 { CODEC_ID_MSZH, MKTAG('M', 'S', 'Z', 'H') }, 00206 { CODEC_ID_ZLIB, MKTAG('Z', 'L', 'I', 'B') }, 00207 { CODEC_ID_SNOW, MKTAG('S', 'N', 'O', 'W') }, 00208 { CODEC_ID_4XM, MKTAG('4', 'X', 'M', 'V') }, 00209 { CODEC_ID_FLV1, MKTAG('F', 'L', 'V', '1') }, 00210 { CODEC_ID_FLASHSV, MKTAG('F', 'S', 'V', '1') }, 00211 { CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', '1') }, 00212 { CODEC_ID_TSCC, MKTAG('t', 's', 'c', 'c') }, 00213 { CODEC_ID_ULTI, MKTAG('U', 'L', 'T', 'I') }, 00214 { CODEC_ID_VIXL, MKTAG('V', 'I', 'X', 'L') }, 00215 { CODEC_ID_QPEG, MKTAG('Q', 'P', 'E', 'G') }, 00216 { CODEC_ID_QPEG, MKTAG('Q', '1', '.', '0') }, 00217 { CODEC_ID_QPEG, MKTAG('Q', '1', '.', '1') }, 00218 { CODEC_ID_WMV3, MKTAG('W', 'M', 'V', '3') }, 00219 { CODEC_ID_VC1, MKTAG('W', 'V', 'C', '1') }, 00220 { CODEC_ID_VC1, MKTAG('W', 'M', 'V', 'A') }, 00221 { CODEC_ID_LOCO, MKTAG('L', 'O', 'C', 'O') }, 00222 { CODEC_ID_WNV1, MKTAG('W', 'N', 'V', '1') }, 00223 { CODEC_ID_AASC, MKTAG('A', 'A', 'S', 'C') }, 00224 { CODEC_ID_INDEO2, MKTAG('R', 'T', '2', '1') }, 00225 { CODEC_ID_FRAPS, MKTAG('F', 'P', 'S', '1') }, 00226 { CODEC_ID_THEORA, MKTAG('t', 'h', 'e', 'o') }, 00227 { CODEC_ID_TRUEMOTION2, MKTAG('T', 'M', '2', '0') }, 00228 { CODEC_ID_CSCD, MKTAG('C', 'S', 'C', 'D') }, 00229 { CODEC_ID_ZMBV, MKTAG('Z', 'M', 'B', 'V') }, 00230 { CODEC_ID_KMVC, MKTAG('K', 'M', 'V', 'C') }, 00231 { CODEC_ID_CAVS, MKTAG('C', 'A', 'V', 'S') }, 00232 { CODEC_ID_JPEG2000, MKTAG('M', 'J', '2', 'C') }, 00233 { CODEC_ID_VMNC, MKTAG('V', 'M', 'n', 'c') }, 00234 { CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') }, 00235 { CODEC_ID_PNG, MKTAG('M', 'P', 'N', 'G') }, 00236 { CODEC_ID_PNG, MKTAG('P', 'N', 'G', '1') }, 00237 { CODEC_ID_CLJR, MKTAG('c', 'l', 'j', 'r') }, 00238 { CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') }, 00239 { CODEC_ID_RPZA, MKTAG('a', 'z', 'p', 'r') }, 00240 { CODEC_ID_RPZA, MKTAG('R', 'P', 'Z', 'A') }, 00241 { CODEC_ID_RPZA, MKTAG('r', 'p', 'z', 'a') }, 00242 { CODEC_ID_SP5X, MKTAG('S', 'P', '5', '4') }, 00243 { CODEC_ID_AURA, MKTAG('A', 'U', 'R', 'A') }, 00244 { CODEC_ID_AURA2, MKTAG('A', 'U', 'R', '2') }, 00245 { CODEC_ID_DPX, MKTAG('d', 'p', 'x', ' ') }, 00246 { CODEC_ID_KGV1, MKTAG('K', 'G', 'V', '1') }, 00247 { CODEC_ID_NONE, 0 } 00248 }; 00249 00250 const AVCodecTag ff_codec_wav_tags[] = { 00251 { CODEC_ID_PCM_S16LE, 0x0001 }, 00252 { CODEC_ID_PCM_U8, 0x0001 }, /* must come after s16le in this list */ 00253 { CODEC_ID_PCM_S24LE, 0x0001 }, 00254 { CODEC_ID_PCM_S32LE, 0x0001 }, 00255 { CODEC_ID_ADPCM_MS, 0x0002 }, 00256 { CODEC_ID_PCM_F32LE, 0x0003 }, 00257 { CODEC_ID_PCM_F64LE, 0x0003 }, /* must come after f32le in this list */ 00258 { CODEC_ID_PCM_ALAW, 0x0006 }, 00259 { CODEC_ID_PCM_MULAW, 0x0007 }, 00260 { CODEC_ID_WMAVOICE, 0x000A }, 00261 { CODEC_ID_ADPCM_IMA_WAV, 0x0011 }, 00262 { CODEC_ID_PCM_ZORK, 0x0011 }, /* must come after adpcm_ima_wav in this list */ 00263 { CODEC_ID_ADPCM_YAMAHA, 0x0020 }, 00264 { CODEC_ID_TRUESPEECH, 0x0022 }, 00265 { CODEC_ID_GSM_MS, 0x0031 }, 00266 { CODEC_ID_ADPCM_G726, 0x0045 }, 00267 { CODEC_ID_MP2, 0x0050 }, 00268 { CODEC_ID_MP3, 0x0055 }, 00269 { CODEC_ID_AMR_NB, 0x0057 }, 00270 { CODEC_ID_AMR_WB, 0x0058 }, 00271 { CODEC_ID_ADPCM_IMA_DK4, 0x0061 }, /* rogue format number */ 00272 { CODEC_ID_ADPCM_IMA_DK3, 0x0062 }, /* rogue format number */ 00273 { CODEC_ID_ADPCM_IMA_WAV, 0x0069 }, 00274 { CODEC_ID_VOXWARE, 0x0075 }, 00275 { CODEC_ID_AAC, 0x00ff }, 00276 { CODEC_ID_SIPR, 0x0130 }, 00277 { CODEC_ID_WMAV1, 0x0160 }, 00278 { CODEC_ID_WMAV2, 0x0161 }, 00279 { CODEC_ID_WMAPRO, 0x0162 }, 00280 { CODEC_ID_WMALOSSLESS, 0x0163 }, 00281 { CODEC_ID_ADPCM_CT, 0x0200 }, 00282 { CODEC_ID_ATRAC3, 0x0270 }, 00283 { CODEC_ID_IMC, 0x0401 }, 00284 { CODEC_ID_GSM_MS, 0x1500 }, 00285 { CODEC_ID_TRUESPEECH, 0x1501 }, 00286 { CODEC_ID_AC3, 0x2000 }, 00287 { CODEC_ID_DTS, 0x2001 }, 00288 { CODEC_ID_SONIC, 0x2048 }, 00289 { CODEC_ID_SONIC_LS, 0x2048 }, 00290 { CODEC_ID_PCM_MULAW, 0x6c75 }, 00291 { CODEC_ID_AAC, 0x706d }, 00292 { CODEC_ID_AAC, 0x4143 }, 00293 { CODEC_ID_FLAC, 0xF1AC }, 00294 { CODEC_ID_ADPCM_SWF, ('S'<<8)+'F' }, 00295 { CODEC_ID_VORBIS, ('V'<<8)+'o' }, //HACK/FIXME, does vorbis in WAV/AVI have an (in)official id? 00296 00297 /* FIXME: All of the IDs below are not 16 bit and thus illegal. */ 00298 // for NuppelVideo (nuv.c) 00299 { CODEC_ID_PCM_S16LE, MKTAG('R', 'A', 'W', 'A') }, 00300 { CODEC_ID_MP3, MKTAG('L', 'A', 'M', 'E') }, 00301 { CODEC_ID_MP3, MKTAG('M', 'P', '3', ' ') }, 00302 { CODEC_ID_NONE, 0 }, 00303 }; 00304 00305 #if CONFIG_MUXERS 00306 int64_t ff_start_tag(ByteIOContext *pb, const char *tag) 00307 { 00308 put_tag(pb, tag); 00309 put_le32(pb, 0); 00310 return url_ftell(pb); 00311 } 00312 00313 void ff_end_tag(ByteIOContext *pb, int64_t start) 00314 { 00315 int64_t pos; 00316 00317 pos = url_ftell(pb); 00318 url_fseek(pb, start - 4, SEEK_SET); 00319 put_le32(pb, (uint32_t)(pos - start)); 00320 url_fseek(pb, pos, SEEK_SET); 00321 } 00322 00323 /* WAVEFORMATEX header */ 00324 /* returns the size or -1 on error */ 00325 int ff_put_wav_header(ByteIOContext *pb, AVCodecContext *enc) 00326 { 00327 int bps, blkalign, bytespersec; 00328 int hdrsize = 18; 00329 int waveformatextensible; 00330 uint8_t temp[256]; 00331 uint8_t *riff_extradata= temp; 00332 uint8_t *riff_extradata_start= temp; 00333 00334 if(!enc->codec_tag || enc->codec_tag > 0xffff) 00335 return -1; 00336 waveformatextensible = (enc->channels > 2 && enc->channel_layout) 00337 || enc->sample_rate > 48000 00338 || av_get_bits_per_sample(enc->codec_id) > 16; 00339 00340 if (waveformatextensible) { 00341 put_le16(pb, 0xfffe); 00342 } else { 00343 put_le16(pb, enc->codec_tag); 00344 } 00345 put_le16(pb, enc->channels); 00346 put_le32(pb, enc->sample_rate); 00347 if (enc->codec_id == CODEC_ID_MP2 || enc->codec_id == CODEC_ID_MP3 || enc->codec_id == CODEC_ID_GSM_MS) { 00348 bps = 0; 00349 } else if (enc->codec_id == CODEC_ID_ADPCM_G726) { 00350 bps = 4; 00351 } else { 00352 if (!(bps = av_get_bits_per_sample(enc->codec_id))) 00353 bps = 16; // default to 16 00354 } 00355 if(bps != enc->bits_per_coded_sample && enc->bits_per_coded_sample){ 00356 av_log(enc, AV_LOG_WARNING, "requested bits_per_coded_sample (%d) and actually stored (%d) differ\n", enc->bits_per_coded_sample, bps); 00357 } 00358 00359 if (enc->codec_id == CODEC_ID_MP2 || enc->codec_id == CODEC_ID_MP3 || enc->codec_id == CODEC_ID_AC3) { 00360 blkalign = enc->frame_size; //this is wrong, but it seems many demuxers do not work if this is set correctly 00361 //blkalign = 144 * enc->bit_rate/enc->sample_rate; 00362 } else if (enc->codec_id == CODEC_ID_ADPCM_G726) { // 00363 blkalign = 1; 00364 } else if (enc->block_align != 0) { /* specified by the codec */ 00365 blkalign = enc->block_align; 00366 } else 00367 blkalign = enc->channels*bps >> 3; 00368 if (enc->codec_id == CODEC_ID_PCM_U8 || 00369 enc->codec_id == CODEC_ID_PCM_S24LE || 00370 enc->codec_id == CODEC_ID_PCM_S32LE || 00371 enc->codec_id == CODEC_ID_PCM_F32LE || 00372 enc->codec_id == CODEC_ID_PCM_F64LE || 00373 enc->codec_id == CODEC_ID_PCM_S16LE) { 00374 bytespersec = enc->sample_rate * blkalign; 00375 } else { 00376 bytespersec = enc->bit_rate / 8; 00377 } 00378 put_le32(pb, bytespersec); /* bytes per second */ 00379 put_le16(pb, blkalign); /* block align */ 00380 put_le16(pb, bps); /* bits per sample */ 00381 if (enc->codec_id == CODEC_ID_MP3) { 00382 hdrsize += 12; 00383 bytestream_put_le16(&riff_extradata, 1); /* wID */ 00384 bytestream_put_le32(&riff_extradata, 2); /* fdwFlags */ 00385 bytestream_put_le16(&riff_extradata, 1152); /* nBlockSize */ 00386 bytestream_put_le16(&riff_extradata, 1); /* nFramesPerBlock */ 00387 bytestream_put_le16(&riff_extradata, 1393); /* nCodecDelay */ 00388 } else if (enc->codec_id == CODEC_ID_MP2) { 00389 hdrsize += 22; 00390 bytestream_put_le16(&riff_extradata, 2); /* fwHeadLayer */ 00391 bytestream_put_le32(&riff_extradata, enc->bit_rate); /* dwHeadBitrate */ 00392 bytestream_put_le16(&riff_extradata, enc->channels == 2 ? 1 : 8); /* fwHeadMode */ 00393 bytestream_put_le16(&riff_extradata, 0); /* fwHeadModeExt */ 00394 bytestream_put_le16(&riff_extradata, 1); /* wHeadEmphasis */ 00395 bytestream_put_le16(&riff_extradata, 16); /* fwHeadFlags */ 00396 bytestream_put_le32(&riff_extradata, 0); /* dwPTSLow */ 00397 bytestream_put_le32(&riff_extradata, 0); /* dwPTSHigh */ 00398 } else if (enc->codec_id == CODEC_ID_GSM_MS || enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) { 00399 hdrsize += 2; 00400 bytestream_put_le16(&riff_extradata, enc->frame_size); /* wSamplesPerBlock */ 00401 } else if(enc->extradata_size){ 00402 riff_extradata_start= enc->extradata; 00403 riff_extradata= enc->extradata + enc->extradata_size; 00404 hdrsize += enc->extradata_size; 00405 } else if (!waveformatextensible){ 00406 hdrsize -= 2; 00407 } 00408 if(waveformatextensible) { /* write WAVEFORMATEXTENSIBLE extensions */ 00409 hdrsize += 22; 00410 put_le16(pb, riff_extradata - riff_extradata_start + 22); /* 22 is WAVEFORMATEXTENSIBLE size */ 00411 put_le16(pb, enc->bits_per_coded_sample); /* ValidBitsPerSample || SamplesPerBlock || Reserved */ 00412 put_le32(pb, enc->channel_layout); /* dwChannelMask */ 00413 put_le32(pb, enc->codec_tag); /* GUID + next 3 */ 00414 put_le32(pb, 0x00100000); 00415 put_le32(pb, 0xAA000080); 00416 put_le32(pb, 0x719B3800); 00417 } else if(riff_extradata - riff_extradata_start) { 00418 put_le16(pb, riff_extradata - riff_extradata_start); 00419 } 00420 put_buffer(pb, riff_extradata_start, riff_extradata - riff_extradata_start); 00421 if(hdrsize&1){ 00422 hdrsize++; 00423 put_byte(pb, 0); 00424 } 00425 00426 return hdrsize; 00427 } 00428 00429 /* BITMAPINFOHEADER header */ 00430 void ff_put_bmp_header(ByteIOContext *pb, AVCodecContext *enc, const AVCodecTag *tags, int for_asf) 00431 { 00432 put_le32(pb, 40 + enc->extradata_size); /* size */ 00433 put_le32(pb, enc->width); 00434 //We always store RGB TopDown 00435 put_le32(pb, enc->codec_tag ? enc->height : -enc->height); 00436 put_le16(pb, 1); /* planes */ 00437 00438 put_le16(pb, enc->bits_per_coded_sample ? enc->bits_per_coded_sample : 24); /* depth */ 00439 /* compression type */ 00440 put_le32(pb, enc->codec_tag); 00441 put_le32(pb, enc->width * enc->height * 3); 00442 put_le32(pb, 0); 00443 put_le32(pb, 0); 00444 put_le32(pb, 0); 00445 put_le32(pb, 0); 00446 00447 put_buffer(pb, enc->extradata, enc->extradata_size); 00448 00449 if (!for_asf && enc->extradata_size & 1) 00450 put_byte(pb, 0); 00451 } 00452 #endif //CONFIG_MUXERS 00453 00454 #if CONFIG_DEMUXERS 00455 /* We could be given one of the three possible structures here: 00456 * WAVEFORMAT, PCMWAVEFORMAT or WAVEFORMATEX. Each structure 00457 * is an expansion of the previous one with the fields added 00458 * at the bottom. PCMWAVEFORMAT adds 'WORD wBitsPerSample' and 00459 * WAVEFORMATEX adds 'WORD cbSize' and basically makes itself 00460 * an openended structure. 00461 */ 00462 void ff_get_wav_header(ByteIOContext *pb, AVCodecContext *codec, int size) 00463 { 00464 int id; 00465 00466 id = get_le16(pb); 00467 codec->codec_type = AVMEDIA_TYPE_AUDIO; 00468 codec->codec_tag = id; 00469 codec->channels = get_le16(pb); 00470 codec->sample_rate = get_le32(pb); 00471 codec->bit_rate = get_le32(pb) * 8; 00472 codec->block_align = get_le16(pb); 00473 if (size == 14) { /* We're dealing with plain vanilla WAVEFORMAT */ 00474 codec->bits_per_coded_sample = 8; 00475 }else 00476 codec->bits_per_coded_sample = get_le16(pb); 00477 if (size >= 18) { /* We're obviously dealing with WAVEFORMATEX */ 00478 int cbSize = get_le16(pb); /* cbSize */ 00479 size -= 18; 00480 cbSize = FFMIN(size, cbSize); 00481 if (cbSize >= 22 && id == 0xfffe) { /* WAVEFORMATEXTENSIBLE */ 00482 codec->bits_per_coded_sample = get_le16(pb); 00483 codec->channel_layout = get_le32(pb); /* dwChannelMask */ 00484 id = get_le32(pb); /* 4 first bytes of GUID */ 00485 url_fskip(pb, 12); /* skip end of GUID */ 00486 cbSize -= 22; 00487 size -= 22; 00488 } 00489 codec->extradata_size = cbSize; 00490 if (cbSize > 0) { 00491 codec->extradata = av_mallocz(codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE); 00492 get_buffer(pb, codec->extradata, codec->extradata_size); 00493 size -= cbSize; 00494 } 00495 00496 /* It is possible for the chunk to contain garbage at the end */ 00497 if (size > 0) 00498 url_fskip(pb, size); 00499 } 00500 codec->codec_id = ff_wav_codec_get_id(id, codec->bits_per_coded_sample); 00501 } 00502 00503 00504 enum CodecID ff_wav_codec_get_id(unsigned int tag, int bps) 00505 { 00506 enum CodecID id; 00507 id = ff_codec_get_id(ff_codec_wav_tags, tag); 00508 if (id <= 0) 00509 return id; 00510 /* handle specific u8 codec */ 00511 if (id == CODEC_ID_PCM_S16LE && bps == 8) 00512 id = CODEC_ID_PCM_U8; 00513 if (id == CODEC_ID_PCM_S16LE && bps == 24) 00514 id = CODEC_ID_PCM_S24LE; 00515 if (id == CODEC_ID_PCM_S16LE && bps == 32) 00516 id = CODEC_ID_PCM_S32LE; 00517 if (id == CODEC_ID_PCM_F32LE && bps == 64) 00518 id = CODEC_ID_PCM_F64LE; 00519 if (id == CODEC_ID_ADPCM_IMA_WAV && bps == 8) 00520 id = CODEC_ID_PCM_ZORK; 00521 return id; 00522 } 00523 #endif // CONFIG_DEMUXERS 00524 00525 void ff_parse_specific_params(AVCodecContext *stream, int *au_rate, int *au_ssize, int *au_scale) 00526 { 00527 int gcd; 00528 00529 *au_ssize= stream->block_align; 00530 if(stream->frame_size && stream->sample_rate){ 00531 *au_scale=stream->frame_size; 00532 *au_rate= stream->sample_rate; 00533 }else if(stream->codec_type == AVMEDIA_TYPE_VIDEO || 00534 stream->codec_type == AVMEDIA_TYPE_SUBTITLE){ 00535 *au_scale= stream->time_base.num; 00536 *au_rate = stream->time_base.den; 00537 }else{ 00538 *au_scale= stream->block_align ? stream->block_align*8 : 8; 00539 *au_rate = stream->bit_rate ? stream->bit_rate : 8*stream->sample_rate; 00540 } 00541 gcd= av_gcd(*au_scale, *au_rate); 00542 *au_scale /= gcd; 00543 *au_rate /= gcd; 00544 }