Statistics
| Branch: | Revision:

ffmpeg / libavformat / isom.c @ 470bce2b

History | View | Annotate | Download (14.6 KB)

1 e40ee6a2 Baptiste Coudurier
/*
2
 * ISO Media common code
3
 * Copyright (c) 2001 Fabrice Bellard.
4
 * Copyright (c) 2002 Francois Revol <revol@free.fr>
5
 * Copyright (c) 2006 Baptiste Coudurier <baptiste.coudurier@free.fr>
6
 *
7 b78e7197 Diego Biurrun
 * This file is part of FFmpeg.
8
 *
9
 * FFmpeg is free software; you can redistribute it and/or
10 e40ee6a2 Baptiste Coudurier
 * modify it under the terms of the GNU Lesser General Public
11
 * License as published by the Free Software Foundation; either
12 b78e7197 Diego Biurrun
 * version 2.1 of the License, or (at your option) any later version.
13 e40ee6a2 Baptiste Coudurier
 *
14 b78e7197 Diego Biurrun
 * FFmpeg is distributed in the hope that it will be useful,
15 e40ee6a2 Baptiste Coudurier
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
17
 * Lesser General Public License for more details.
18
 *
19
 * You should have received a copy of the GNU Lesser General Public
20 b78e7197 Diego Biurrun
 * License along with FFmpeg; if not, write to the Free Software
21 e40ee6a2 Baptiste Coudurier
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22
 */
23
24
#include "avformat.h"
25
#include "riff.h"
26
#include "isom.h"
27
28 7555d2e6 Baptiste Coudurier
/* http://www.mp4ra.org */
29 efc9e44d Baptiste Coudurier
/* ordered by muxing preference */
30 ccba88d7 Baptiste Coudurier
const AVCodecTag ff_mp4_obj_type[] = {
31 f6204886 David Conrad
    { CODEC_ID_MOV_TEXT  , 0x08 },
32 2f980d2a Baptiste Coudurier
    { CODEC_ID_MPEG4     , 0x20 },
33
    { CODEC_ID_H264      , 0x21 },
34
    { CODEC_ID_AAC       , 0x40 },
35
    { CODEC_ID_MPEG2VIDEO, 0x61 }, /* MPEG2 Main */
36
    { CODEC_ID_MPEG2VIDEO, 0x60 }, /* MPEG2 Simple */
37
    { CODEC_ID_MPEG2VIDEO, 0x62 }, /* MPEG2 SNR */
38
    { CODEC_ID_MPEG2VIDEO, 0x63 }, /* MPEG2 Spatial */
39
    { CODEC_ID_MPEG2VIDEO, 0x64 }, /* MPEG2 High */
40
    { CODEC_ID_MPEG2VIDEO, 0x65 }, /* MPEG2 422 */
41
    { CODEC_ID_AAC       , 0x66 }, /* MPEG2 AAC Main */
42
    { CODEC_ID_AAC       , 0x67 }, /* MPEG2 AAC Low */
43
    { CODEC_ID_AAC       , 0x68 }, /* MPEG2 AAC SSR */
44 c4e02d70 Baptiste Coudurier
    { CODEC_ID_MP3       , 0x69 }, /* 13818-3 */
45
    { CODEC_ID_MP2       , 0x69 }, /* 11172-3 */
46 5180b027 Baptiste Coudurier
    { CODEC_ID_MPEG1VIDEO, 0x6A }, /* 11172-2 */
47 2f980d2a Baptiste Coudurier
    { CODEC_ID_MP3       , 0x6B }, /* 11172-3 */
48
    { CODEC_ID_MJPEG     , 0x6C }, /* 10918-1 */
49
    { CODEC_ID_PNG       , 0x6D },
50
    { CODEC_ID_JPEG2000  , 0x6E }, /* 15444-1 */
51
    { CODEC_ID_VC1       , 0xA3 },
52 c3b13251 Baptiste Coudurier
    { CODEC_ID_DIRAC     , 0xA4 },
53 2f980d2a Baptiste Coudurier
    { CODEC_ID_AC3       , 0xA5 },
54
    { CODEC_ID_VORBIS    , 0xDD }, /* non standard, gpac uses it */
55
    { CODEC_ID_DVD_SUBTITLE, 0xE0 }, /* non standard, see unsupported-embedded-subs-2.mp4 */
56
    { CODEC_ID_QCELP     , 0xE1 },
57 e40ee6a2 Baptiste Coudurier
    { 0, 0 },
58
};
59
60 1e5f5e3b Baptiste Coudurier
const AVCodecTag codec_movvideo_tags[] = {
61
/*  { CODEC_ID_, MKTAG('I', 'V', '5', '0') }, *//* Indeo 5.0 */
62
63
    { CODEC_ID_RAWVIDEO, MKTAG('r', 'a', 'w', ' ') }, /* Uncompressed RGB */
64
/*  { CODEC_ID_RAWVIDEO, MKTAG('Y', 'u', 'v', '2') }, *//* Uncompressed YUV422 */
65
    { CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'U', 'I') }, /* YUV with alpha-channel (AVID Uncompressed) */
66
    { CODEC_ID_RAWVIDEO, MKTAG('2', 'v', 'u', 'y') }, /* UNCOMPRESSED 8BIT 4:2:2 */
67
68
    { CODEC_ID_MJPEG,  MKTAG('j', 'p', 'e', 'g') }, /* PhotoJPEG */
69
    { CODEC_ID_MJPEG,  MKTAG('m', 'j', 'p', 'a') }, /* Motion-JPEG (format A) */
70
    { CODEC_ID_MJPEG,  MKTAG('A', 'V', 'D', 'J') }, /* MJPEG with alpha-channel (AVID JFIF meridien compressed) */
71
/*  { CODEC_ID_MJPEG,  MKTAG('A', 'V', 'R', 'n') }, *//* MJPEG with alpha-channel (AVID ABVB/Truevision NuVista) */
72 c3ebc833 Baptiste Coudurier
    { CODEC_ID_MJPEG,  MKTAG('d', 'm', 'b', '1') }, /* Motion JPEG OpenDML */
73 1e5f5e3b Baptiste Coudurier
    { CODEC_ID_MJPEGB, MKTAG('m', 'j', 'p', 'b') }, /* Motion-JPEG (format B) */
74
75
    { CODEC_ID_SVQ1, MKTAG('S', 'V', 'Q', '1') }, /* Sorenson Video v1 */
76
    { CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', '1') }, /* Sorenson Video v1 */
77
    { CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', 'i') }, /* Sorenson Video v1 (from QT specs)*/
78
    { CODEC_ID_SVQ3, MKTAG('S', 'V', 'Q', '3') }, /* Sorenson Video v3 */
79
80
    { CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
81
    { CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', 'X') }, /* OpenDiVX *//* sample files at http://heroinewarrior.com/xmovie.php3 use this tag */
82
    { CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'D') },
83
    { CODEC_ID_MPEG4, MKTAG('3', 'I', 'V', '2') }, /* experimental: 3IVX files before ivx D4 4.5.1 */
84
85
    { CODEC_ID_H263, MKTAG('h', '2', '6', '3') }, /* H263 */
86
    { CODEC_ID_H263, MKTAG('s', '2', '6', '3') }, /* H263 ?? works */
87
88
    { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 'p') }, /* DV PAL */
89
    { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') }, /* DV NTSC */
90
    { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'p', 'p') }, /* DVCPRO PAL produced by FCP */
91
    { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'p') }, /* DVCPRO50 PAL produced by FCP */
92
    { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'n') }, /* DVCPRO50 NTSC produced by FCP */
93
    { CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', 'v') }, /* AVID DV */
94 bea6c1ec Baptiste Coudurier
    { CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', '1') }, /* AVID DV100 */
95 f8007a14 Roman Shaposhnik
    { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'q') }, /* DVCPRO HD 720p50 */
96
    { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'p') }, /* DVCPRO HD 720p60 */
97
    { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '5') }, /* DVCPRO HD 50i produced by FCP */
98
    { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '6') }, /* DVCPRO HD 60i produced by FCP */
99
    { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '3') }, /* DVCPRO HD 30p produced by FCP */
100 1e5f5e3b Baptiste Coudurier
101
    { CODEC_ID_VP3,     MKTAG('V', 'P', '3', '1') }, /* On2 VP3 */
102
    { CODEC_ID_RPZA,    MKTAG('r', 'p', 'z', 'a') }, /* Apple Video (RPZA) */
103
    { CODEC_ID_CINEPAK, MKTAG('c', 'v', 'i', 'd') }, /* Cinepak */
104
    { CODEC_ID_8BPS,    MKTAG('8', 'B', 'P', 'S') }, /* Planar RGB (8BPS) */
105
    { CODEC_ID_SMC,     MKTAG('s', 'm', 'c', ' ') }, /* Apple Graphics (SMC) */
106
    { CODEC_ID_QTRLE,   MKTAG('r', 'l', 'e', ' ') }, /* Apple Animation (RLE) */
107
    { CODEC_ID_MSRLE,   MKTAG('W', 'R', 'L', 'E') },
108
    { CODEC_ID_QDRAW,   MKTAG('q', 'd', 'r', 'w') }, /* QuickDraw */
109
110 4d35964d Baptiste Coudurier
    { CODEC_ID_RAWVIDEO, MKTAG('W', 'R', 'A', 'W') },
111
112 1e5f5e3b Baptiste Coudurier
    { CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') }, /* AVC-1/H.264 */
113
114
    { CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'e', 'g') }, /* MPEG */
115 138ef0a9 Baptiste Coudurier
    { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '1') }, /* MPEG2 HDV 720p30 */
116
    { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '2') }, /* MPEG2 HDV 1080i60 */
117
    { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '3') }, /* MPEG2 HDV 1080i50 */
118
    { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '5') }, /* MPEG2 HDV 720p25 */
119 7fc628ca Baptiste Coudurier
    { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '6') }, /* MPEG2 HDV 1080p24 */
120
    { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '7') }, /* MPEG2 HDV 1080p25 */
121
    { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '8') }, /* MPEG2 HDV 1080p30 */
122 1e5f5e3b Baptiste Coudurier
    { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'n') }, /* MPEG2 IMX NTSC 525/60 50mb/s produced by FCP */
123
    { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'p') }, /* MPEG2 IMX PAL 625/50 50mb/s produced by FCP */
124 d0cbff86 Baptiste Coudurier
    { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'n') }, /* MPEG2 IMX NTSC 525/60 40mb/s produced by FCP */
125
    { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'p') }, /* MPEG2 IMX PAL 625/50 40mb/s produced by FCP */
126 1e5f5e3b Baptiste Coudurier
    { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'n') }, /* MPEG2 IMX NTSC 525/60 30mb/s produced by FCP */
127
    { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'p') }, /* MPEG2 IMX PAL 625/50 30mb/s produced by FCP */
128 f07fd8c0 Baptiste Coudurier
    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '9') }, /* XDCAM HD422 720p60 CBR */
129
    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'a') }, /* XDCAM HD422 720p50 CBR */
130
    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'b') }, /* XDCAM HD422 1080i60 CBR */
131
    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'c') }, /* XDCAM HD422 1080i50 CBR */
132
    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'd') }, /* XDCAM HD422 1080p24 CBR */
133
    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'e') }, /* XDCAM HD422 1080p25 CBR */
134
    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'f') }, /* XDCAM HD422 1080p30 CBR */
135
    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '1') }, /* XDCAM EX 720p30 VBR */
136 8d27c5f8 Baptiste Coudurier
    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '2') }, /* XDCAM HD 1080i60 */
137 f07fd8c0 Baptiste Coudurier
    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '3') }, /* XDCAM HD 1080i50 VBR */
138
    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '4') }, /* XDCAM EX 720p24 VBR */
139
    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '5') }, /* XDCAM EX 720p25 VBR */
140
    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '6') }, /* XDCAM HD 1080p24 VBR */
141
    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '7') }, /* XDCAM HD 1080p25 VBR */
142
    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '8') }, /* XDCAM HD 1080p30 VBR */
143
    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '9') }, /* XDCAM EX 720p60 VBR */
144
    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'a') }, /* XDCAM EX 720p50 VBR */
145
    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'b') }, /* XDCAM EX 1080i60 VBR */
146
    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'c') }, /* XDCAM EX 1080i50 VBR */
147
    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'd') }, /* XDCAM EX 1080p24 VBR */
148
    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'e') }, /* XDCAM EX 1080p25 VBR */
149
    { CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'f') }, /* XDCAM EX 1080p30 VBR */
150 1e5f5e3b Baptiste Coudurier
    { CODEC_ID_MPEG2VIDEO, MKTAG('A', 'V', 'm', 'p') }, /* AVID IMX PAL */
151
152 18cb36fd Baptiste Coudurier
    { CODEC_ID_JPEG2000, MKTAG('m', 'j', 'p', '2') }, /* JPEG 2000 produced by FCP */
153 1e5f5e3b Baptiste Coudurier
154
    { CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') }, /* Truevision Targa */
155
    { CODEC_ID_TIFF,  MKTAG('t', 'i', 'f', 'f') }, /* TIFF embedded in MOV */
156
    { CODEC_ID_GIF,   MKTAG('g', 'i', 'f', ' ') }, /* embedded gif files as frames (usually one "click to play movie" frame) */
157
    { CODEC_ID_PNG,   MKTAG('p', 'n', 'g', ' ') },
158
159
    { CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') }, /* SMPTE RP 2025 */
160 d4fdba0d Baptiste Coudurier
    { CODEC_ID_CAVS, MKTAG('a', 'v', 's', '2') },
161 1e5f5e3b Baptiste Coudurier
162 c3b13251 Baptiste Coudurier
    { CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
163 c06136e0 Baptiste Coudurier
    { CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'n') }, /* AVID DNxHD */
164 2d99eed1 Xiaohui Sun
    { CODEC_ID_SGI,   MKTAG('s', 'g', 'i', ' ') }, /* SGI  */
165 c06136e0 Baptiste Coudurier
166 1e5f5e3b Baptiste Coudurier
    { CODEC_ID_NONE, 0 },
167
};
168
169
const AVCodecTag codec_movaudio_tags[] = {
170
    { CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
171
    { CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') },
172
    { CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
173
    { CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
174
    { CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') }, /* 16 bits */
175
    { CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') }, /*  */
176
    { CODEC_ID_PCM_S16LE, MKTAG('l', 'p', 'c', 'm') },
177 a1ef2c4b Peter Ross
    { CODEC_ID_PCM_F32BE, MKTAG('f', 'l', '3', '2') },
178
    { CODEC_ID_PCM_F64BE, MKTAG('f', 'l', '6', '4') },
179 36264d35 Baptiste Coudurier
    { CODEC_ID_PCM_S8,    MKTAG('s', 'o', 'w', 't') },
180 1e5f5e3b Baptiste Coudurier
    { CODEC_ID_PCM_U8,    MKTAG('r', 'a', 'w', ' ') }, /* 8 bits unsigned */
181 bffcf2eb Baptiste Coudurier
    { CODEC_ID_PCM_U8,    MKTAG('N', 'O', 'N', 'E') }, /* uncompressed */
182 1e5f5e3b Baptiste Coudurier
    { CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') }, /*  */
183
    { CODEC_ID_PCM_ALAW,  MKTAG('a', 'l', 'a', 'w') }, /*  */
184
185
    { CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') }, /* IMA-4 ADPCM */
186
187
    { CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') }, /* Macintosh Audio Compression and Expansion 3:1 */
188
    { CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') }, /* Macintosh Audio Compression and Expansion 6:1 */
189
190
    { CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') }, /* MPEG layer 3 */ /* sample files at http://www.3ivx.com/showcase.html use this tag */
191 0174f514 Baptiste Coudurier
    { CODEC_ID_MP3, 0x6D730055 }, /* MPEG layer 3 */
192 1e5f5e3b Baptiste Coudurier
193
/*  { CODEC_ID_OGG_VORBIS, MKTAG('O', 'g', 'g', 'S') }, *//* sample files at http://heroinewarrior.com/xmovie.php3 use this tag */
194
195
    { CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') }, /* MPEG-4 AAC */
196 d4a240cb Baptiste Coudurier
    { CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F */
197 1e5f5e3b Baptiste Coudurier
198
    { CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */
199
    { CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */
200
201 5610f20e Baptiste Coudurier
    { CODEC_ID_GSM,  MKTAG('a', 'g', 's', 'm') },
202 1e5f5e3b Baptiste Coudurier
    { CODEC_ID_ALAC, MKTAG('a', 'l', 'a', 'c') }, /* Apple Lossless */
203 76f34857 Baptiste Coudurier
204
    { CODEC_ID_QCELP, MKTAG('Q','c','l','p') },
205
    { CODEC_ID_QCELP, MKTAG('s','q','c','p') }, /* ISO Media fourcc */
206
207 1e5f5e3b Baptiste Coudurier
    { CODEC_ID_QDM2, MKTAG('Q', 'D', 'M', '2') }, /* QDM2 */
208
209
    { CODEC_ID_DVAUDIO, MKTAG('v', 'd', 'v', 'a') },
210
    { CODEC_ID_DVAUDIO, MKTAG('d', 'v', 'c', 'a') },
211
212 0c739854 Michael Niedermayer
    { CODEC_ID_WMAV2, MKTAG('W', 'M', 'A', '2') },
213
214 1e5f5e3b Baptiste Coudurier
    { CODEC_ID_NONE, 0 },
215
};
216
217 1e3c9307 Michael Niedermayer
const AVCodecTag ff_codec_movsubtitle_tags[] = {
218 cc8c2c6a Reimar Döffinger
    { CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') },
219 eb3ba13b Reimar Döffinger
    { CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
220 1e3c9307 Michael Niedermayer
    { CODEC_ID_NONE, 0 },
221
};
222
223 e40ee6a2 Baptiste Coudurier
/* map numeric codes from mdhd atom to ISO 639 */
224
/* cf. QTFileFormat.pdf p253, qtff.pdf p205 */
225
/* http://developer.apple.com/documentation/mac/Text/Text-368.html */
226
/* deprecated by putting the code as 3*5bit ascii */
227 9b5ede5b Reimar Döffinger
static const char * const mov_mdhd_language_map[] = {
228 e40ee6a2 Baptiste Coudurier
    /* 0-9 */
229
    "eng", "fra", "ger", "ita", "dut", "sve", "spa", "dan", "por", "nor",
230
    "heb", "jpn", "ara", "fin", "gre", "ice", "mlt", "tur", "hr "/*scr*/, "chi"/*ace?*/,
231
    "urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav",  NULL,
232
    "fo ",  NULL, "rus", "chi",  NULL, "iri", "alb", "ron", "ces", "slk",
233
    "slv", "yid", "sr ", "mac", "bul", "ukr", "bel", "uzb", "kaz", "aze",
234
    /*?*/
235
    "aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon",  NULL, "pus",
236
    "kur", "kas", "snd", "tib", "nep", "san", "mar", "ben", "asm", "guj",
237
    "pa ", "ori", "mal", "kan", "tam", "tel",  NULL, "bur", "khm", "lao",
238
    /*                   roman? arabic? */
239
    "vie", "ind", "tgl", "may", "may", "amh", "tir", "orm", "som", "swa",
240
    /*==rundi?*/
241
    NULL, "run",  NULL, "mlg", "epo",  NULL,  NULL,  NULL,  NULL,  NULL,
242
    /* 100 */
243
    NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,
244
    NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,
245
    NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  NULL, "wel", "baq",
246
    "cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav"
247
};
248
249
int ff_mov_iso639_to_lang(const char *lang, int mp4)
250
{
251
    int i, code = 0;
252
253
    /* old way, only for QT? */
254 37d3e066 Aurelien Jacobs
    for (i = 0; !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) {
255 e40ee6a2 Baptiste Coudurier
        if (mov_mdhd_language_map[i] && !strcmp(lang, mov_mdhd_language_map[i]))
256
            return i;
257
    }
258
    /* XXX:can we do that in mov too? */
259
    if (!mp4)
260
        return 0;
261
    /* handle undefined as such */
262
    if (lang[0] == '\0')
263
        lang = "und";
264
    /* 5bit ascii */
265
    for (i = 0; i < 3; i++) {
266
        unsigned char c = (unsigned char)lang[i];
267
        if (c < 0x60)
268
            return 0;
269
        if (c > 0x60 + 0x1f)
270
            return 0;
271
        code <<= 5;
272
        code |= (c - 0x60);
273
    }
274
    return code;
275
}
276
277
int ff_mov_lang_to_iso639(int code, char *to)
278
{
279
    int i;
280
    /* is it the mangled iso code? */
281
    /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */
282
    if (code > 138) {
283
        for (i = 2; i >= 0; i--) {
284
            to[i] = 0x60 + (code & 0x1f);
285
            code >>= 5;
286
        }
287
        return 1;
288
    }
289
    /* old fashion apple lang code */
290 37d3e066 Aurelien Jacobs
    if (code >= FF_ARRAY_ELEMS(mov_mdhd_language_map))
291 e40ee6a2 Baptiste Coudurier
        return 0;
292
    if (!mov_mdhd_language_map[code])
293
        return 0;
294
    strncpy(to, mov_mdhd_language_map[code], 4);
295
    return 1;
296
}