aboutsummaryrefslogtreecommitdiffstats
path: root/libavformat/isom.c
blob: ccf4ca1e842e14eb3ea8ae880657f2f8769d886c (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
/*
 * ISO Media common code
 * Copyright (c) 2001 Fabrice Bellard
 * Copyright (c) 2002 Francois Revol <revol@free.fr>
 * Copyright (c) 2006 Baptiste Coudurier <baptiste.coudurier@free.fr>
 *
 * This file is part of Libav.
 *
 * Libav is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * Libav is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with Libav; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

//#define DEBUG

#include "avformat.h"
#include "internal.h"
#include "isom.h"
#include "libavcodec/mpeg4audio.h"
#include "libavcodec/mpegaudiodata.h"

/* http://www.mp4ra.org */
/* ordered by muxing preference */
const AVCodecTag ff_mp4_obj_type[] = {
    { AV_CODEC_ID_MOV_TEXT    , 0x08 },
    { AV_CODEC_ID_MPEG4       , 0x20 },
    { AV_CODEC_ID_H264        , 0x21 },
    { AV_CODEC_ID_AAC         , 0x40 },
    { AV_CODEC_ID_MP4ALS      , 0x40 }, /* 14496-3 ALS */
    { AV_CODEC_ID_MPEG2VIDEO  , 0x61 }, /* MPEG2 Main */
    { AV_CODEC_ID_MPEG2VIDEO  , 0x60 }, /* MPEG2 Simple */
    { AV_CODEC_ID_MPEG2VIDEO  , 0x62 }, /* MPEG2 SNR */
    { AV_CODEC_ID_MPEG2VIDEO  , 0x63 }, /* MPEG2 Spatial */
    { AV_CODEC_ID_MPEG2VIDEO  , 0x64 }, /* MPEG2 High */
    { AV_CODEC_ID_MPEG2VIDEO  , 0x65 }, /* MPEG2 422 */
    { AV_CODEC_ID_AAC         , 0x66 }, /* MPEG2 AAC Main */
    { AV_CODEC_ID_AAC         , 0x67 }, /* MPEG2 AAC Low */
    { AV_CODEC_ID_AAC         , 0x68 }, /* MPEG2 AAC SSR */
    { AV_CODEC_ID_MP3         , 0x69 }, /* 13818-3 */
    { AV_CODEC_ID_MP2         , 0x69 }, /* 11172-3 */
    { AV_CODEC_ID_MPEG1VIDEO  , 0x6A }, /* 11172-2 */
    { AV_CODEC_ID_MP3         , 0x6B }, /* 11172-3 */
    { AV_CODEC_ID_MJPEG       , 0x6C }, /* 10918-1 */
    { AV_CODEC_ID_PNG         , 0x6D },
    { AV_CODEC_ID_JPEG2000    , 0x6E }, /* 15444-1 */
    { AV_CODEC_ID_VC1         , 0xA3 },
    { AV_CODEC_ID_DIRAC       , 0xA4 },
    { AV_CODEC_ID_AC3         , 0xA5 },
    { AV_CODEC_ID_DTS         , 0xA9 }, /* mp4ra.org */
    { AV_CODEC_ID_VORBIS      , 0xDD }, /* non standard, gpac uses it */
    { AV_CODEC_ID_DVD_SUBTITLE, 0xE0 }, /* non standard, see unsupported-embedded-subs-2.mp4 */
    { AV_CODEC_ID_QCELP       , 0xE1 },
    { AV_CODEC_ID_MPEG4SYSTEMS, 0x01 },
    { AV_CODEC_ID_MPEG4SYSTEMS, 0x02 },
    { AV_CODEC_ID_NONE        ,    0 },
};

const AVCodecTag ff_codec_movvideo_tags[] = {
/*  { AV_CODEC_ID_, MKTAG('I', 'V', '5', '0') }, *//* Indeo 5.0 */

    { AV_CODEC_ID_RAWVIDEO, MKTAG('r', 'a', 'w', ' ') }, /* Uncompressed RGB */
    { AV_CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', '2') }, /* Uncompressed YUV422 */
    { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'U', 'I') }, /* YUV with alpha-channel (AVID Uncompressed) */
    { AV_CODEC_ID_RAWVIDEO, MKTAG('2', 'v', 'u', 'y') }, /* UNCOMPRESSED 8BIT 4:2:2 */
    { AV_CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', 's') }, /* same as 2vuy but byte swapped */

    { AV_CODEC_ID_RAWVIDEO, MKTAG('L', '5', '5', '5') },
    { AV_CODEC_ID_RAWVIDEO, MKTAG('L', '5', '6', '5') },
    { AV_CODEC_ID_RAWVIDEO, MKTAG('B', '5', '6', '5') },
    { AV_CODEC_ID_RAWVIDEO, MKTAG('2', '4', 'B', 'G') },
    { AV_CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 'A') },
    { AV_CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 'A') },
    { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'B', 'G', 'R') },
    { AV_CODEC_ID_RAWVIDEO, MKTAG('b', '1', '6', 'g') },
    { AV_CODEC_ID_RAWVIDEO, MKTAG('b', '4', '8', 'r') },
    { AV_CODEC_ID_RAWVIDEO, MKTAG('D', 'V', 'O', 'O') }, /* Digital Voodoo SD 8 Bit */

    { AV_CODEC_ID_R10K,   MKTAG('R', '1', '0', 'k') }, /* UNCOMPRESSED 10BIT RGB */
    { AV_CODEC_ID_R10K,   MKTAG('R', '1', '0', 'g') }, /* UNCOMPRESSED 10BIT RGB */
    { AV_CODEC_ID_R210,   MKTAG('r', '2', '1', '0') }, /* UNCOMPRESSED 10BIT RGB */
    { AV_CODEC_ID_V210,   MKTAG('v', '2', '1', '0') }, /* UNCOMPRESSED 10BIT 4:2:2 */
    { AV_CODEC_ID_V410,   MKTAG('v', '4', '1', '0') }, /* UNCOMPRESSED 10BIT 4:4:4 */

    { AV_CODEC_ID_MJPEG,  MKTAG('j', 'p', 'e', 'g') }, /* PhotoJPEG */
    { AV_CODEC_ID_MJPEG,  MKTAG('m', 'j', 'p', 'a') }, /* Motion-JPEG (format A) */
    { AV_CODEC_ID_MJPEG,  MKTAG('A', 'V', 'D', 'J') }, /* MJPEG with alpha-channel (AVID JFIF meridien compressed) */
/*  { AV_CODEC_ID_MJPEG,  MKTAG('A', 'V', 'R', 'n') }, *//* MJPEG with alpha-channel (AVID ABVB/Truevision NuVista) */
    { AV_CODEC_ID_MJPEG,  MKTAG('d', 'm', 'b', '1') }, /* Motion JPEG OpenDML */
    { AV_CODEC_ID_MJPEGB, MKTAG('m', 'j', 'p', 'b') }, /* Motion-JPEG (format B) */

    { AV_CODEC_ID_SVQ1, MKTAG('S', 'V', 'Q', '1') }, /* Sorenson Video v1 */
    { AV_CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', '1') }, /* Sorenson Video v1 */
    { AV_CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', 'i') }, /* Sorenson Video v1 (from QT specs)*/
    { AV_CODEC_ID_SVQ3, MKTAG('S', 'V', 'Q', '3') }, /* Sorenson Video v3 */

    { AV_CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
    { AV_CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', 'X') }, /* OpenDiVX *//* sample files at http://heroinewarrior.com/xmovie.php3 use this tag */
    { AV_CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'D') },
    { AV_CODEC_ID_MPEG4, MKTAG('3', 'I', 'V', '2') }, /* experimental: 3IVX files before ivx D4 4.5.1 */

    { AV_CODEC_ID_H263, MKTAG('h', '2', '6', '3') }, /* H263 */
    { AV_CODEC_ID_H263, MKTAG('s', '2', '6', '3') }, /* H263 ?? works */

    { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 'p') }, /* DV PAL */
    { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') }, /* DV NTSC */
    { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'p', 'p') }, /* DVCPRO PAL produced by FCP */
    { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'p') }, /* DVCPRO50 PAL produced by FCP */
    { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'n') }, /* DVCPRO50 NTSC produced by FCP */
    { AV_CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', 'v') }, /* AVID DV */
    { AV_CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', '1') }, /* AVID DV100 */
    { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'q') }, /* DVCPRO HD 720p50 */
    { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'p') }, /* DVCPRO HD 720p60 */
    { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') },
    { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '2') },
    { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '4') },
    { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '5') }, /* DVCPRO HD 50i produced by FCP */
    { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '6') }, /* DVCPRO HD 60i produced by FCP */
    { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '3') }, /* DVCPRO HD 30p produced by FCP */

    { AV_CODEC_ID_VP3,     MKTAG('V', 'P', '3', '1') }, /* On2 VP3 */
    { AV_CODEC_ID_RPZA,    MKTAG('r', 'p', 'z', 'a') }, /* Apple Video (RPZA) */
    { AV_CODEC_ID_CINEPAK, MKTAG('c', 'v', 'i', 'd') }, /* Cinepak */
    { AV_CODEC_ID_8BPS,    MKTAG('8', 'B', 'P', 'S') }, /* Planar RGB (8BPS) */
    { AV_CODEC_ID_SMC,     MKTAG('s', 'm', 'c', ' ') }, /* Apple Graphics (SMC) */
    { AV_CODEC_ID_QTRLE,   MKTAG('r', 'l', 'e', ' ') }, /* Apple Animation (RLE) */
    { AV_CODEC_ID_MSRLE,   MKTAG('W', 'R', 'L', 'E') },
    { AV_CODEC_ID_QDRAW,   MKTAG('q', 'd', 'r', 'w') }, /* QuickDraw */

    { AV_CODEC_ID_RAWVIDEO, MKTAG('W', 'R', 'A', 'W') },

    { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') }, /* AVC-1/H.264 */
    { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'p') }, /* AVC-Intra  50M 720p24/30/60 */
    { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', 'q') }, /* AVC-Intra  50M 720p25/50 */
    { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '2') }, /* AVC-Intra  50M 1080p25/50 */
    { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '3') }, /* AVC-Intra  50M 1080p24/30/60 */
    { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '5') }, /* AVC-Intra  50M 1080i50 */
    { AV_CODEC_ID_H264, MKTAG('a', 'i', '5', '6') }, /* AVC-Intra  50M 1080i60 */
    { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'p') }, /* AVC-Intra 100M 720p24/30/60 */
    { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', 'q') }, /* AVC-Intra 100M 720p25/50 */
    { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '2') }, /* AVC-Intra 100M 1080p25/50 */
    { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '3') }, /* AVC-Intra 100M 1080p24/30/60 */
    { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '5') }, /* AVC-Intra 100M 1080i50 */
    { AV_CODEC_ID_H264, MKTAG('a', 'i', '1', '6') }, /* AVC-Intra 100M 1080i60 */

    { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', '1') }, /* Apple MPEG-1 Camcorder */
    { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'e', 'g') }, /* MPEG */
    { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', '2', 'v', '1') }, /* Apple MPEG-2 Camcorder */
    { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '1') }, /* MPEG2 HDV 720p30 */
    { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '2') }, /* MPEG2 HDV 1080i60 */
    { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '3') }, /* MPEG2 HDV 1080i50 */
    { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '4') }, /* MPEG2 HDV 720p24 */
    { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '5') }, /* MPEG2 HDV 720p25 */
    { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '6') }, /* MPEG2 HDV 1080p24 */
    { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '7') }, /* MPEG2 HDV 1080p25 */
    { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '8') }, /* MPEG2 HDV 1080p30 */
    { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '9') }, /* MPEG2 HDV 720p60 JVC */
    { AV_CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', 'a') }, /* MPEG2 HDV 720p50 */
    { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'n') }, /* MPEG2 IMX NTSC 525/60 50mb/s produced by FCP */
    { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'p') }, /* MPEG2 IMX PAL 625/50 50mb/s produced by FCP */
    { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'n') }, /* MPEG2 IMX NTSC 525/60 40mb/s produced by FCP */
    { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '4', 'p') }, /* MPEG2 IMX PAL 625/50 40mb/s produced by FCP */
    { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'n') }, /* MPEG2 IMX NTSC 525/60 30mb/s produced by FCP */
    { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'p') }, /* MPEG2 IMX PAL 625/50 30mb/s produced by FCP */
    { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '4') }, /* XDCAM HD422 720p24 CBR */
    { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '5') }, /* XDCAM HD422 720p25 CBR */
    { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', '9') }, /* XDCAM HD422 720p60 CBR */
    { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'a') }, /* XDCAM HD422 720p50 CBR */
    { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'b') }, /* XDCAM HD422 1080i60 CBR */
    { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'c') }, /* XDCAM HD422 1080i50 CBR */
    { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'd') }, /* XDCAM HD422 1080p24 CBR */
    { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'e') }, /* XDCAM HD422 1080p25 CBR */
    { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', '5', 'f') }, /* XDCAM HD422 1080p30 CBR */
    { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '1') }, /* XDCAM EX 720p30 VBR */
    { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '2') }, /* XDCAM HD 1080i60 */
    { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '3') }, /* XDCAM HD 1080i50 VBR */
    { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '4') }, /* XDCAM EX 720p24 VBR */
    { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '5') }, /* XDCAM EX 720p25 VBR */
    { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '6') }, /* XDCAM HD 1080p24 VBR */
    { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '7') }, /* XDCAM HD 1080p25 VBR */
    { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '8') }, /* XDCAM HD 1080p30 VBR */
    { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', '9') }, /* XDCAM EX 720p60 VBR */
    { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'a') }, /* XDCAM EX 720p50 VBR */
    { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'b') }, /* XDCAM EX 1080i60 VBR */
    { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'c') }, /* XDCAM EX 1080i50 VBR */
    { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'd') }, /* XDCAM EX 1080p24 VBR */
    { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'e') }, /* XDCAM EX 1080p25 VBR */
    { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'v', 'f') }, /* XDCAM EX 1080p30 VBR */
    { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', 'd') }, /* XDCAM HD 540p */
    { AV_CODEC_ID_MPEG2VIDEO, MKTAG('x', 'd', 'h', '2') }, /* XDCAM HD422 540p */
    { AV_CODEC_ID_MPEG2VIDEO, MKTAG('A', 'V', 'm', 'p') }, /* AVID IMX PAL */

    { AV_CODEC_ID_JPEG2000, MKTAG('m', 'j', 'p', '2') }, /* JPEG 2000 produced by FCP */

    { AV_CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') }, /* Truevision Targa */
    { AV_CODEC_ID_TIFF,  MKTAG('t', 'i', 'f', 'f') }, /* TIFF embedded in MOV */
    { AV_CODEC_ID_GIF,   MKTAG('g', 'i', 'f', ' ') }, /* embedded gif files as frames (usually one "click to play movie" frame) */
    { AV_CODEC_ID_PNG,   MKTAG('p', 'n', 'g', ' ') },

    { AV_CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') }, /* SMPTE RP 2025 */
    { AV_CODEC_ID_CAVS, MKTAG('a', 'v', 's', '2') },

    { AV_CODEC_ID_DIRAC,     MKTAG('d', 'r', 'a', 'c') },
    { AV_CODEC_ID_DNXHD,     MKTAG('A', 'V', 'd', 'n') }, /* AVID DNxHD */
    { AV_CODEC_ID_H263,      MKTAG('H', '2', '6', '3') },
    { AV_CODEC_ID_MSMPEG4V3, MKTAG('3', 'I', 'V', 'D') }, /* 3ivx DivX Doctor */
    { AV_CODEC_ID_RAWVIDEO,  MKTAG('A', 'V', '1', 'x') }, /* AVID 1:1x */
    { AV_CODEC_ID_RAWVIDEO,  MKTAG('A', 'V', 'u', 'p') },
    { AV_CODEC_ID_SGI,       MKTAG('s', 'g', 'i', ' ') }, /* SGI  */
    { AV_CODEC_ID_DPX,       MKTAG('d', 'p', 'x', ' ') }, /* DPX */

    { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'h') }, /* Apple ProRes 422 High Quality */
    { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'n') }, /* Apple ProRes 422 Standard Definition */
    { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 's') }, /* Apple ProRes 422 LT */
    { AV_CODEC_ID_PRORES, MKTAG('a', 'p', 'c', 'o') }, /* Apple ProRes 422 Proxy */
    { AV_CODEC_ID_PRORES, MKTAG('a', 'p', '4', 'h') }, /* Apple ProRes 4444 */

    { AV_CODEC_ID_NONE, 0 },
};

const AVCodecTag ff_codec_movaudio_tags[] = {
    { AV_CODEC_ID_AAC,             MKTAG('m', 'p', '4', 'a') },
    { AV_CODEC_ID_AC3,             MKTAG('a', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F */
    { AV_CODEC_ID_AC3,             MKTAG('s', 'a', 'c', '3') }, /* Nero Recode */
    { AV_CODEC_ID_ADPCM_IMA_QT,    MKTAG('i', 'm', 'a', '4') },
    { AV_CODEC_ID_ALAC,            MKTAG('a', 'l', 'a', 'c') },
    { AV_CODEC_ID_AMR_NB,          MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */
    { AV_CODEC_ID_AMR_WB,          MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */
    { AV_CODEC_ID_DTS,             MKTAG('d', 't', 's', 'c') }, /* DTS formats prior to DTS-HD */
    { AV_CODEC_ID_DTS,             MKTAG('d', 't', 's', 'h') }, /* DTS-HD audio formats */
    { AV_CODEC_ID_DTS,             MKTAG('d', 't', 's', 'l') }, /* DTS-HD Lossless formats */
    { AV_CODEC_ID_DTS,             MKTAG('D', 'T', 'S', ' ') }, /* non-standard */
    { AV_CODEC_ID_EAC3,            MKTAG('e', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F (only valid in ISOBMFF) */
    { AV_CODEC_ID_DVAUDIO,         MKTAG('v', 'd', 'v', 'a') },
    { AV_CODEC_ID_DVAUDIO,         MKTAG('d', 'v', 'c', 'a') },
    { AV_CODEC_ID_GSM,             MKTAG('a', 'g', 's', 'm') },
    { AV_CODEC_ID_ILBC,            MKTAG('i', 'l', 'b', 'c') },
    { AV_CODEC_ID_MACE3,           MKTAG('M', 'A', 'C', '3') },
    { AV_CODEC_ID_MACE6,           MKTAG('M', 'A', 'C', '6') },
    { AV_CODEC_ID_MP1,             MKTAG('.', 'm', 'p', '1') },
    { AV_CODEC_ID_MP2,             MKTAG('.', 'm', 'p', '2') },
    { AV_CODEC_ID_MP3,             MKTAG('.', 'm', 'p', '3') },
    { AV_CODEC_ID_MP3,             0x6D730055                },
    { AV_CODEC_ID_NELLYMOSER,      MKTAG('n', 'm', 'o', 's') }, /* Flash Media Server */
    { AV_CODEC_ID_PCM_ALAW,        MKTAG('a', 'l', 'a', 'w') },
    { AV_CODEC_ID_PCM_F32BE,       MKTAG('f', 'l', '3', '2') },
    { AV_CODEC_ID_PCM_F32LE,       MKTAG('f', 'l', '3', '2') },
    { AV_CODEC_ID_PCM_F64BE,       MKTAG('f', 'l', '6', '4') },
    { AV_CODEC_ID_PCM_F64LE,       MKTAG('f', 'l', '6', '4') },
    { AV_CODEC_ID_PCM_MULAW,       MKTAG('u', 'l', 'a', 'w') },
    { AV_CODEC_ID_PCM_S16BE,       MKTAG('t', 'w', 'o', 's') },
    { AV_CODEC_ID_PCM_S16LE,       MKTAG('s', 'o', 'w', 't') },
    { AV_CODEC_ID_PCM_S16LE,       MKTAG('l', 'p', 'c', 'm') },
    { AV_CODEC_ID_PCM_S24BE,       MKTAG('i', 'n', '2', '4') },
    { AV_CODEC_ID_PCM_S24LE,       MKTAG('i', 'n', '2', '4') },
    { AV_CODEC_ID_PCM_S32BE,       MKTAG('i', 'n', '3', '2') },
    { AV_CODEC_ID_PCM_S32LE,       MKTAG('i', 'n', '3', '2') },
    { AV_CODEC_ID_PCM_S8,          MKTAG('s', 'o', 'w', 't') },
    { AV_CODEC_ID_PCM_U8,          MKTAG('r', 'a', 'w', ' ') },
    { AV_CODEC_ID_PCM_U8,          MKTAG('N', 'O', 'N', 'E') },
    { AV_CODEC_ID_QCELP,           MKTAG('Q', 'c', 'l', 'p') },
    { AV_CODEC_ID_QCELP,           MKTAG('Q', 'c', 'l', 'q') },
    { AV_CODEC_ID_QCELP,           MKTAG('s', 'q', 'c', 'p') }, /* ISO Media fourcc */
    { AV_CODEC_ID_QDM2,            MKTAG('Q', 'D', 'M', '2') },
    { AV_CODEC_ID_QDMC,            MKTAG('Q', 'D', 'M', 'C') },
    { AV_CODEC_ID_SPEEX,           MKTAG('s', 'p', 'e', 'x') }, /* Flash Media Server */
    { AV_CODEC_ID_WMAV2,           MKTAG('W', 'M', 'A', '2') },
    { AV_CODEC_ID_NONE, 0 },
};

const AVCodecTag ff_codec_movsubtitle_tags[] = {
    { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') },
    { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
    { AV_CODEC_ID_NONE, 0 },
};

/* map numeric codes from mdhd atom to ISO 639 */
/* cf. QTFileFormat.pdf p253, qtff.pdf p205 */
/* http://developer.apple.com/documentation/mac/Text/Text-368.html */
/* deprecated by putting the code as 3*5bit ascii */
static const char mov_mdhd_language_map[][4] = {
    /* 0-9 */
    "eng", "fra", "ger", "ita", "dut", "sve", "spa", "dan", "por", "nor",
    "heb", "jpn", "ara", "fin", "gre", "ice", "mlt", "tur", "hr "/*scr*/, "chi"/*ace?*/,
    "urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav",    "",
    "fo ",    "", "rus", "chi",    "", "iri", "alb", "ron", "ces", "slk",
    "slv", "yid", "sr ", "mac", "bul", "ukr", "bel", "uzb", "kaz", "aze",
    /*?*/
    "aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon",    "", "pus",
    "kur", "kas", "snd", "tib", "nep", "san", "mar", "ben", "asm", "guj",
    "pa ", "ori", "mal", "kan", "tam", "tel",    "", "bur", "khm", "lao",
    /*                   roman? arabic? */
    "vie", "ind", "tgl", "may", "may", "amh", "tir", "orm", "som", "swa",
    /*==rundi?*/
       "", "run",    "", "mlg", "epo",    "",    "",    "",    "",    "",
    /* 100 */
       "",    "",    "",    "",    "",    "",    "",    "",    "",    "",
       "",    "",    "",    "",    "",    "",    "",    "",    "",    "",
       "",    "",    "",    "",    "",    "",    "",    "", "wel", "baq",
    "cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav"
};

int ff_mov_iso639_to_lang(const char lang[4], int mp4)
{
    int i, code = 0;

    /* old way, only for QT? */
    for (i = 0; lang[0] && !mp4 && i < FF_ARRAY_ELEMS(mov_mdhd_language_map); i++) {
        if (!strcmp(lang, mov_mdhd_language_map[i]))
            return i;
    }
    /* XXX:can we do that in mov too? */
    if (!mp4)
        return -1;
    /* handle undefined as such */
    if (lang[0] == '\0')
        lang = "und";
    /* 5bit ascii */
    for (i = 0; i < 3; i++) {
        uint8_t c = lang[i];
        c -= 0x60;
        if (c > 0x1f)
            return -1;
        code <<= 5;
        code |= c;
    }
    return code;
}

int ff_mov_lang_to_iso639(unsigned code, char to[4])
{
    int i;
    memset(to, 0, 4);
    /* is it the mangled iso code? */
    /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */
    if (code > 138) {
        for (i = 2; i >= 0; i--) {
            to[i] = 0x60 + (code & 0x1f);
            code >>= 5;
        }
        return 1;
    }
    /* old fashion apple lang code */
    if (code >= FF_ARRAY_ELEMS(mov_mdhd_language_map))
        return 0;
    if (!mov_mdhd_language_map[code][0])
        return 0;
    memcpy(to, mov_mdhd_language_map[code], 4);
    return 1;
}

int ff_mp4_read_descr_len(AVIOContext *pb)
{
    int len = 0;
    int count = 4;
    while (count--) {
        int c = avio_r8(pb);
        len = (len << 7) | (c & 0x7f);
        if (!(c & 0x80))
            break;
    }
    return len;
}

int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag)
{
    int len;
    *tag = avio_r8(pb);
    len = ff_mp4_read_descr_len(pb);
    av_dlog(fc, "MPEG4 description: tag=0x%02x len=%d\n", *tag, len);
    return len;
}

void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
{
     int flags;
     if (es_id) *es_id = avio_rb16(pb);
     else                avio_rb16(pb);
     flags = avio_r8(pb);
     if (flags & 0x80) //streamDependenceFlag
         avio_rb16(pb);
     if (flags & 0x40) { //URL_Flag
         int len = avio_r8(pb);
         avio_skip(pb, len);
     }
     if (flags & 0x20) //OCRstreamFlag
         avio_rb16(pb);
}

static const AVCodecTag mp4_audio_types[] = {
    { AV_CODEC_ID_MP3ON4, AOT_PS   }, /* old mp3on4 draft */
    { AV_CODEC_ID_MP3ON4, AOT_L1   }, /* layer 1 */
    { AV_CODEC_ID_MP3ON4, AOT_L2   }, /* layer 2 */
    { AV_CODEC_ID_MP3ON4, AOT_L3   }, /* layer 3 */
    { AV_CODEC_ID_MP4ALS, AOT_ALS  }, /* MPEG-4 ALS */
    { AV_CODEC_ID_NONE,   AOT_NULL },
};

int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
{
    int len, tag;
    int object_type_id = avio_r8(pb);
    avio_r8(pb); /* stream type */
    avio_rb24(pb); /* buffer size db */
    avio_rb32(pb); /* max bitrate */
    avio_rb32(pb); /* avg bitrate */

    st->codec->codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id);
    av_dlog(fc, "esds object type id 0x%02x\n", object_type_id);
    len = ff_mp4_read_descr(fc, pb, &tag);
    if (tag == MP4DecSpecificDescrTag) {
        av_dlog(fc, "Specific MPEG4 header len=%d\n", len);
        if (!len || (uint64_t)len > (1<<30))
            return -1;
        av_free(st->codec->extradata);
        st->codec->extradata = av_mallocz(len + FF_INPUT_BUFFER_PADDING_SIZE);
        if (!st->codec->extradata)
            return AVERROR(ENOMEM);
        avio_read(pb, st->codec->extradata, len);
        st->codec->extradata_size = len;
        if (st->codec->codec_id == AV_CODEC_ID_AAC) {
            MPEG4AudioConfig cfg;
            avpriv_mpeg4audio_get_config(&cfg, st->codec->extradata,
                                         st->codec->extradata_size * 8, 1);
            st->codec->channels = cfg.channels;
            if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4
                st->codec->sample_rate = avpriv_mpa_freq_tab[cfg.sampling_index];
            else if (cfg.ext_sample_rate)
                st->codec->sample_rate = cfg.ext_sample_rate;
            else
                st->codec->sample_rate = cfg.sample_rate;
            av_dlog(fc, "mp4a config channels %d obj %d ext obj %d "
                    "sample rate %d ext sample rate %d\n", st->codec->channels,
                    cfg.object_type, cfg.ext_object_type,
                    cfg.sample_rate, cfg.ext_sample_rate);
            if (!(st->codec->codec_id = ff_codec_get_id(mp4_audio_types,
                                                        cfg.object_type)))
                st->codec->codec_id = AV_CODEC_ID_AAC;
        }
    }
    return 0;
}