mirror of https://github.com/FFmpeg/FFmpeg.git
Originally committed as revision 5882 to svn://svn.ffmpeg.org/ffmpeg/trunkpull/126/head
Baptiste Coudurier
19 years ago
parent
986c2ccb19
commit
e40ee6a268
6 changed files with 151 additions and 125 deletions
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/*
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* ISO Media common code |
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* Copyright (c) 2001 Fabrice Bellard. |
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* Copyright (c) 2002 Francois Revol <revol@free.fr> |
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* Copyright (c) 2006 Baptiste Coudurier <baptiste.coudurier@free.fr> |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2 of the License, or (at your option) any later version. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with this library; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include "avformat.h" |
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#include "riff.h" |
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#include "isom.h" |
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/* http://gpac.sourceforge.net/tutorial/mediatypes.htm */ |
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const CodecTag ff_mov_obj_type[] = { |
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{ CODEC_ID_MPEG4 , 32 }, |
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{ CODEC_ID_H264 , 33 }, |
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{ CODEC_ID_AAC , 64 }, |
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{ CODEC_ID_MPEG2VIDEO, 96 }, /* MPEG2 Simple */ |
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{ CODEC_ID_MPEG2VIDEO, 97 }, /* MPEG2 Main */ |
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{ CODEC_ID_MPEG2VIDEO, 98 }, /* MPEG2 SNR */ |
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{ CODEC_ID_MPEG2VIDEO, 99 }, /* MPEG2 Spatial */ |
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{ CODEC_ID_MPEG2VIDEO, 100 }, /* MPEG2 High */ |
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{ CODEC_ID_MPEG2VIDEO, 101 }, /* MPEG2 422 */ |
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{ CODEC_ID_AAC , 102 }, /* MPEG2 AAC Main */ |
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{ CODEC_ID_AAC , 103 }, /* MPEG2 AAC Low */ |
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{ CODEC_ID_AAC , 104 }, /* MPEG2 AAC SSR */ |
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{ CODEC_ID_MP3 , 105 }, |
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{ CODEC_ID_MPEG1VIDEO, 106 }, |
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{ CODEC_ID_MP2 , 107 }, |
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{ CODEC_ID_MJPEG , 108 }, |
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{ CODEC_ID_PCM_S16LE , 224 }, |
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{ CODEC_ID_VORBIS , 221 }, |
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{ CODEC_ID_AC3 , 226 }, |
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{ CODEC_ID_PCM_ALAW , 227 }, |
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{ CODEC_ID_PCM_MULAW , 228 }, |
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{ CODEC_ID_PCM_S16BE , 230 }, |
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{ CODEC_ID_H263 , 242 }, |
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{ CODEC_ID_H261 , 243 }, |
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{ 0, 0 }, |
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}; |
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/* map numeric codes from mdhd atom to ISO 639 */ |
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/* cf. QTFileFormat.pdf p253, qtff.pdf p205 */ |
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/* http://developer.apple.com/documentation/mac/Text/Text-368.html */ |
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/* deprecated by putting the code as 3*5bit ascii */ |
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static const char *mov_mdhd_language_map[] = { |
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/* 0-9 */ |
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"eng", "fra", "ger", "ita", "dut", "sve", "spa", "dan", "por", "nor", |
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"heb", "jpn", "ara", "fin", "gre", "ice", "mlt", "tur", "hr "/*scr*/, "chi"/*ace?*/, |
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"urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav", NULL, |
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"fo ", NULL, "rus", "chi", NULL, "iri", "alb", "ron", "ces", "slk", |
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"slv", "yid", "sr ", "mac", "bul", "ukr", "bel", "uzb", "kaz", "aze", |
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/*?*/ |
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"aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon", NULL, "pus", |
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"kur", "kas", "snd", "tib", "nep", "san", "mar", "ben", "asm", "guj", |
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"pa ", "ori", "mal", "kan", "tam", "tel", NULL, "bur", "khm", "lao", |
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/* roman? arabic? */ |
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"vie", "ind", "tgl", "may", "may", "amh", "tir", "orm", "som", "swa", |
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/*==rundi?*/ |
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NULL, "run", NULL, "mlg", "epo", NULL, NULL, NULL, NULL, NULL, |
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/* 100 */ |
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NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, |
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NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, |
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NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, "wel", "baq", |
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"cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav" |
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}; |
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int ff_mov_iso639_to_lang(const char *lang, int mp4) |
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{ |
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int i, code = 0; |
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/* old way, only for QT? */ |
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for (i = 0; !mp4 && (i < (sizeof(mov_mdhd_language_map)/sizeof(char *))); i++) { |
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if (mov_mdhd_language_map[i] && !strcmp(lang, mov_mdhd_language_map[i])) |
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return i; |
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} |
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/* XXX:can we do that in mov too? */ |
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if (!mp4) |
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return 0; |
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/* handle undefined as such */ |
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if (lang[0] == '\0') |
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lang = "und"; |
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/* 5bit ascii */ |
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for (i = 0; i < 3; i++) { |
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unsigned char c = (unsigned char)lang[i]; |
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if (c < 0x60) |
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return 0; |
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if (c > 0x60 + 0x1f) |
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return 0; |
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code <<= 5; |
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code |= (c - 0x60); |
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} |
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return code; |
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} |
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int ff_mov_lang_to_iso639(int code, char *to) |
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{ |
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int i; |
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/* is it the mangled iso code? */ |
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/* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */ |
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if (code > 138) { |
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for (i = 2; i >= 0; i--) { |
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to[i] = 0x60 + (code & 0x1f); |
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code >>= 5; |
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} |
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return 1; |
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} |
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/* old fashion apple lang code */ |
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if (code >= (sizeof(mov_mdhd_language_map)/sizeof(char *))) |
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return 0; |
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if (!mov_mdhd_language_map[code]) |
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return 0; |
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strncpy(to, mov_mdhd_language_map[code], 4); |
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return 1; |
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} |
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@ -0,0 +1,15 @@ |
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#ifndef FFMPEG_ISOM_H |
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#define FFMPEG_ISOM_H |
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/* isom.c */ |
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extern const CodecTag ff_mov_obj_type[]; |
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int ff_mov_iso639_to_lang(const char *lang, int mp4); |
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int ff_mov_lang_to_iso639(int code, char *to); |
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typedef struct Time2Sample{ |
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int count; |
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int duration; |
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}Time2Sample; |
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#endif /* FFMPEG_ISOM_H */ |
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@ -1,13 +0,0 @@ |
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#ifndef FFMPEG_MOV_H |
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#define FFMPEG_MOV_H |
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/* mov.c */ |
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extern const CodecTag ff_mov_obj_type[]; |
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extern int ff_mov_iso639_to_lang(const char *lang, int mp4); |
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typedef struct Time2Sample{ |
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int count; |
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int duration; |
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}Time2Sample; |
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#endif /* FFMPEG_MOV_H */ |
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