MythTV: isom.c Source File

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 FFmpeg.
00008  *
00009  * FFmpeg 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  * FFmpeg 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 FFmpeg; if not, write to the Free Software
00021  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
00022  */
00023 
00024 #include "avformat.h"
00025 #include "riff.h"
00026 #include "isom.h"
00027 
00028 /* http://www.mp4ra.org */
00029 const AVCodecTag ff_mp4_obj_type[] = {
00030     { CODEC_ID_MPEG4     ,  32 },
00031     { CODEC_ID_H264      ,  33 },
00032     { CODEC_ID_AAC       ,  64 },
00033     { CODEC_ID_MPEG2VIDEO,  96 }, /* MPEG2 Simple */
00034     { CODEC_ID_MPEG2VIDEO,  97 }, /* MPEG2 Main */
00035     { CODEC_ID_MPEG2VIDEO,  98 }, /* MPEG2 SNR */
00036     { CODEC_ID_MPEG2VIDEO,  99 }, /* MPEG2 Spatial */
00037     { CODEC_ID_MPEG2VIDEO, 100 }, /* MPEG2 High */
00038     { CODEC_ID_MPEG2VIDEO, 101 }, /* MPEG2 422 */
00039     { CODEC_ID_AAC       , 102 }, /* MPEG2 AAC Main */
00040     { CODEC_ID_AAC       , 103 }, /* MPEG2 AAC Low */
00041     { CODEC_ID_AAC       , 104 }, /* MPEG2 AAC SSR */
00042     { CODEC_ID_MP3       , 105 }, /* 13818-3 */
00043     { CODEC_ID_MPEG1VIDEO, 106 }, /* 11172-2 */
00044     { CODEC_ID_MP3       , 107 }, /* 11172-3 */
00045     { CODEC_ID_MJPEG     , 108 }, /* 10918-1 */
00046     { CODEC_ID_PNG       , 109 },
00047     { CODEC_ID_JPEG2000  , 110 }, /* 15444-1 */
00048     { CODEC_ID_VC1       , 163 },
00049     { CODEC_ID_VORBIS    , 221 },
00050     { CODEC_ID_PCM_S16LE , 224 },
00051     { CODEC_ID_QCELP     , 225 },
00052     { CODEC_ID_AC3       , 226 },
00053     { CODEC_ID_PCM_ALAW  , 227 },
00054     { CODEC_ID_PCM_MULAW , 228 },
00055     { CODEC_ID_PCM_S16BE , 230 },
00056     { CODEC_ID_H263      , 242 },
00057     { CODEC_ID_H261      , 243 },
00058     { 0, 0 },
00059 };
00060 
00061 const AVCodecTag codec_movvideo_tags[] = {
00062 /*  { CODEC_ID_, MKTAG('I', 'V', '5', '0') }, *//* Indeo 5.0 */
00063 
00064     { CODEC_ID_RAWVIDEO, MKTAG('r', 'a', 'w', ' ') }, /* Uncompressed RGB */
00065 /*  { CODEC_ID_RAWVIDEO, MKTAG('Y', 'u', 'v', '2') }, *//* Uncompressed YUV422 */
00066     { CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'U', 'I') }, /* YUV with alpha-channel (AVID Uncompressed) */
00067     { CODEC_ID_RAWVIDEO, MKTAG('2', 'v', 'u', 'y') }, /* UNCOMPRESSED 8BIT 4:2:2 */
00068 
00069     { CODEC_ID_MJPEG,  MKTAG('j', 'p', 'e', 'g') }, /* PhotoJPEG */
00070     { CODEC_ID_MJPEG,  MKTAG('m', 'j', 'p', 'a') }, /* Motion-JPEG (format A) */
00071     { CODEC_ID_MJPEG,  MKTAG('A', 'V', 'D', 'J') }, /* MJPEG with alpha-channel (AVID JFIF meridien compressed) */
00072 /*  { CODEC_ID_MJPEG,  MKTAG('A', 'V', 'R', 'n') }, *//* MJPEG with alpha-channel (AVID ABVB/Truevision NuVista) */
00073     { CODEC_ID_MJPEG,  MKTAG('d', 'm', 'b', '1') }, /* Motion JPEG OpenDML */
00074     { CODEC_ID_MJPEGB, MKTAG('m', 'j', 'p', 'b') }, /* Motion-JPEG (format B) */
00075 
00076     { CODEC_ID_SVQ1, MKTAG('S', 'V', 'Q', '1') }, /* Sorenson Video v1 */
00077     { CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', '1') }, /* Sorenson Video v1 */
00078     { CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', 'i') }, /* Sorenson Video v1 (from QT specs)*/
00079     { CODEC_ID_SVQ3, MKTAG('S', 'V', 'Q', '3') }, /* Sorenson Video v3 */
00080 
00081     { CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
00082     { CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', 'X') }, /* OpenDiVX *//* sample files at http://heroinewarrior.com/xmovie.php3 use this tag */
00083     { CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'D') },
00084     { CODEC_ID_MPEG4, MKTAG('3', 'I', 'V', '2') }, /* experimental: 3IVX files before ivx D4 4.5.1 */
00085 
00086     { CODEC_ID_H263, MKTAG('h', '2', '6', '3') }, /* H263 */
00087     { CODEC_ID_H263, MKTAG('s', '2', '6', '3') }, /* H263 ?? works */
00088 
00089     { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 'p') }, /* DV PAL */
00090     { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') }, /* DV NTSC */
00091     { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'p', 'p') }, /* DVCPRO PAL produced by FCP */
00092     { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'p') }, /* DVCPRO50 PAL produced by FCP */
00093     { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'n') }, /* DVCPRO50 NTSC produced by FCP */
00094     { CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', 'v') }, /* AVID DV */
00095   //{ CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '5') }, /* DVCPRO HD 50i produced by FCP */
00096   //{ CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '6') }, /* DVCPRO HD 60i produced by FCP */
00097 
00098     { CODEC_ID_VP3,     MKTAG('V', 'P', '3', '1') }, /* On2 VP3 */
00099     { CODEC_ID_RPZA,    MKTAG('r', 'p', 'z', 'a') }, /* Apple Video (RPZA) */
00100     { CODEC_ID_CINEPAK, MKTAG('c', 'v', 'i', 'd') }, /* Cinepak */
00101     { CODEC_ID_8BPS,    MKTAG('8', 'B', 'P', 'S') }, /* Planar RGB (8BPS) */
00102     { CODEC_ID_SMC,     MKTAG('s', 'm', 'c', ' ') }, /* Apple Graphics (SMC) */
00103     { CODEC_ID_QTRLE,   MKTAG('r', 'l', 'e', ' ') }, /* Apple Animation (RLE) */
00104     { CODEC_ID_MSRLE,   MKTAG('W', 'R', 'L', 'E') },
00105     { CODEC_ID_QDRAW,   MKTAG('q', 'd', 'r', 'w') }, /* QuickDraw */
00106 
00107     { CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') }, /* AVC-1/H.264 */
00108 
00109     { CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'e', 'g') }, /* MPEG */
00110     { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '1') }, /* HDV 720p30 */
00111     { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '2') }, /* MPEG2 produced by Sony HD camera */
00112     { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '3') }, /* HDV produced by FCP */
00113     { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'n') }, /* MPEG2 IMX NTSC 525/60 50mb/s produced by FCP */
00114     { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'p') }, /* MPEG2 IMX PAL 625/50 50mb/s produced by FCP */
00115     { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'n') }, /* MPEG2 IMX NTSC 525/60 30mb/s produced by FCP */
00116     { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'p') }, /* MPEG2 IMX PAL 625/50 30mb/s produced by FCP */
00117     { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '2') }, /* XDCAM HD 1080i60 */
00118     { CODEC_ID_MPEG2VIDEO, MKTAG('A', 'V', 'm', 'p') }, /* AVID IMX PAL */
00119 
00120   //{ CODEC_ID_JPEG2000, MKTAG('m', 'j', 'p', '2') }, /* JPEG 2000 produced by FCP */
00121 
00122     { CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') }, /* Truevision Targa */
00123     { CODEC_ID_TIFF,  MKTAG('t', 'i', 'f', 'f') }, /* TIFF embedded in MOV */
00124     { CODEC_ID_GIF,   MKTAG('g', 'i', 'f', ' ') }, /* embedded gif files as frames (usually one "click to play movie" frame) */
00125     { CODEC_ID_PNG,   MKTAG('p', 'n', 'g', ' ') },
00126 
00127     { CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') }, /* SMPTE RP 2025 */
00128 
00129     { CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'n') }, /* AVID DNxHD */
00130     { CODEC_ID_SGI,   MKTAG('s', 'g', 'i', ' ') }, /* SGI  */
00131 
00132     { CODEC_ID_NONE, 0 },
00133 };
00134 
00135 const AVCodecTag codec_movaudio_tags[] = {
00136     { CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
00137     { CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') },
00138     { CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
00139     { CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
00140     { CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') }, /* 16 bits */
00141     { CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') }, /*  */
00142     { CODEC_ID_PCM_S16LE, MKTAG('l', 'p', 'c', 'm') },
00143     { CODEC_ID_PCM_S8,    MKTAG('s', 'o', 'w', 't') },
00144     { CODEC_ID_PCM_U8,    MKTAG('r', 'a', 'w', ' ') }, /* 8 bits unsigned */
00145     { CODEC_ID_PCM_U8,    MKTAG('N', 'O', 'N', 'E') }, /* uncompressed */
00146     { CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') }, /*  */
00147     { CODEC_ID_PCM_ALAW,  MKTAG('a', 'l', 'a', 'w') }, /*  */
00148 
00149     { CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') }, /* IMA-4 ADPCM */
00150     { CODEC_ID_ADPCM_MS,     MKTAG('m', 's', 0x00, 0x02) }, /* MS ADPCM */
00151 
00152     { CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') }, /* Macintosh Audio Compression and Expansion 3:1 */
00153     { CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') }, /* Macintosh Audio Compression and Expansion 6:1 */
00154 
00155     { CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') }, /* MPEG layer 3 */ /* sample files at http://www.3ivx.com/showcase.html use this tag */
00156     { CODEC_ID_MP3, 0x6D730055 }, /* MPEG layer 3 */
00157     { CODEC_ID_MP3, MKTAG('m', 's', 0x00, 0x55) }, /* MPEG layer 3 *//* XXX: check endianness */
00158 
00159 /*  { CODEC_ID_OGG_VORBIS, MKTAG('O', 'g', 'g', 'S') }, *//* sample files at http://heroinewarrior.com/xmovie.php3 use this tag */
00160 
00161     { CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') }, /* MPEG-4 AAC */
00162 
00163     { CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */
00164     { CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */
00165 
00166     { CODEC_ID_AC3,  MKTAG('m', 's', 0x20, 0x00) }, /* Dolby AC-3 */
00167 
00168     { CODEC_ID_ALAC, MKTAG('a', 'l', 'a', 'c') }, /* Apple Lossless */
00169     { CODEC_ID_QDM2, MKTAG('Q', 'D', 'M', '2') }, /* QDM2 */
00170 
00171     { CODEC_ID_DVAUDIO, MKTAG('v', 'd', 'v', 'a') },
00172     { CODEC_ID_DVAUDIO, MKTAG('d', 'v', 'c', 'a') },
00173 
00174     { CODEC_ID_NONE, 0 },
00175 };
00176 
00177 /* map numeric codes from mdhd atom to ISO 639 */
00178 /* cf. QTFileFormat.pdf p253, qtff.pdf p205 */
00179 /* http://developer.apple.com/documentation/mac/Text/Text-368.html */
00180 /* deprecated by putting the code as 3*5bit ascii */
00181 static const char *mov_mdhd_language_map[] = {
00182     /* 0-9 */
00183     "eng", "fra", "ger", "ita", "dut", "sve", "spa", "dan", "por", "nor",
00184     "heb", "jpn", "ara", "fin", "gre", "ice", "mlt", "tur", "hr "/*scr*/, "chi"/*ace?*/,
00185     "urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav",  NULL,
00186     "fo ",  NULL, "rus", "chi",  NULL, "iri", "alb", "ron", "ces", "slk",
00187     "slv", "yid", "sr ", "mac", "bul", "ukr", "bel", "uzb", "kaz", "aze",
00188     /*?*/
00189     "aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon",  NULL, "pus",
00190     "kur", "kas", "snd", "tib", "nep", "san", "mar", "ben", "asm", "guj",
00191     "pa ", "ori", "mal", "kan", "tam", "tel",  NULL, "bur", "khm", "lao",
00192     /*                   roman? arabic? */
00193     "vie", "ind", "tgl", "may", "may", "amh", "tir", "orm", "som", "swa",
00194     /*==rundi?*/
00195     NULL, "run",  NULL, "mlg", "epo",  NULL,  NULL,  NULL,  NULL,  NULL,
00196     /* 100 */
00197     NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,
00198     NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,
00199     NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  NULL, "wel", "baq",
00200     "cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav"
00201 };
00202 
00203 int ff_mov_iso639_to_lang(const char *lang, int mp4)
00204 {
00205     int i, code = 0;
00206 
00207     /* old way, only for QT? */
00208     for (i = 0; !mp4 && (i < (sizeof(mov_mdhd_language_map)/sizeof(char *))); i++) {
00209         if (mov_mdhd_language_map[i] && !strcmp(lang, mov_mdhd_language_map[i]))
00210             return i;
00211     }
00212     /* XXX:can we do that in mov too? */
00213     if (!mp4)
00214         return 0;
00215     /* handle undefined as such */
00216     if (lang[0] == '\0')
00217         lang = "und";
00218     /* 5bit ascii */
00219     for (i = 0; i < 3; i++) {
00220         unsigned char c = (unsigned char)lang[i];
00221         if (c < 0x60)
00222             return 0;
00223         if (c > 0x60 + 0x1f)
00224             return 0;
00225         code <<= 5;
00226         code |= (c - 0x60);
00227     }
00228     return code;
00229 }
00230 
00231 int ff_mov_lang_to_iso639(int code, char *to)
00232 {
00233     int i;
00234     /* is it the mangled iso code? */
00235     /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */
00236     if (code > 138) {
00237         for (i = 2; i >= 0; i--) {
00238             to[i] = 0x60 + (code & 0x1f);
00239             code >>= 5;
00240         }
00241         return 1;
00242     }
00243     /* old fashion apple lang code */
00244     if (code >= (sizeof(mov_mdhd_language_map)/sizeof(char *)))
00245         return 0;
00246     if (!mov_mdhd_language_map[code])
00247         return 0;
00248     strncpy(to, mov_mdhd_language_map[code], 4);
00249     return 1;
00250 }