5e6e3a65214d4e4587dbdb724130de2c4e28fde7
[libav.git] / libavformat / movenc.c
1 /*
2 * MOV, 3GP, MP4 muxer
3 * Copyright (c) 2003 Thomas Raivio
4 * Copyright (c) 2004 Gildas Bazin <gbazin at videolan dot org>
5 * Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
6 *
7 * This file is part of FFmpeg.
8 *
9 * FFmpeg is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
13 *
14 * FFmpeg is distributed in the hope that it will be useful,
15 * 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 * License along with FFmpeg; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22 */
23
24 #include "movenc.h"
25 #include "avformat.h"
26 #include "riff.h"
27 #include "avio.h"
28 #include "isom.h"
29 #include "avc.h"
30 #include "libavcodec/get_bits.h"
31 #include "libavcodec/put_bits.h"
32 #include "internal.h"
33 #include "libavutil/avstring.h"
34
35 #undef NDEBUG
36 #include <assert.h>
37
38 //FIXME support 64 bit variant with wide placeholders
39 static int64_t updateSize(ByteIOContext *pb, int64_t pos)
40 {
41 int64_t curpos = url_ftell(pb);
42 url_fseek(pb, pos, SEEK_SET);
43 put_be32(pb, curpos - pos); /* rewrite size */
44 url_fseek(pb, curpos, SEEK_SET);
45
46 return curpos - pos;
47 }
48
49 /* Chunk offset atom */
50 static int mov_write_stco_tag(ByteIOContext *pb, MOVTrack *track)
51 {
52 int i;
53 int mode64 = 0; // use 32 bit size variant if possible
54 int64_t pos = url_ftell(pb);
55 put_be32(pb, 0); /* size */
56 if (pos > UINT32_MAX) {
57 mode64 = 1;
58 put_tag(pb, "co64");
59 } else
60 put_tag(pb, "stco");
61 put_be32(pb, 0); /* version & flags */
62 put_be32(pb, track->entry); /* entry count */
63 for (i=0; i<track->entry; i++) {
64 if(mode64 == 1)
65 put_be64(pb, track->cluster[i].pos);
66 else
67 put_be32(pb, track->cluster[i].pos);
68 }
69 return updateSize(pb, pos);
70 }
71
72 /* Sample size atom */
73 static int mov_write_stsz_tag(ByteIOContext *pb, MOVTrack *track)
74 {
75 int equalChunks = 1;
76 int i, j, entries = 0, tst = -1, oldtst = -1;
77
78 int64_t pos = url_ftell(pb);
79 put_be32(pb, 0); /* size */
80 put_tag(pb, "stsz");
81 put_be32(pb, 0); /* version & flags */
82
83 for (i=0; i<track->entry; i++) {
84 tst = track->cluster[i].size/track->cluster[i].entries;
85 if(oldtst != -1 && tst != oldtst) {
86 equalChunks = 0;
87 }
88 oldtst = tst;
89 entries += track->cluster[i].entries;
90 }
91 if (equalChunks) {
92 int sSize = track->cluster[0].size/track->cluster[0].entries;
93 put_be32(pb, sSize); // sample size
94 put_be32(pb, entries); // sample count
95 }
96 else {
97 put_be32(pb, 0); // sample size
98 put_be32(pb, entries); // sample count
99 for (i=0; i<track->entry; i++) {
100 for (j=0; j<track->cluster[i].entries; j++) {
101 put_be32(pb, track->cluster[i].size /
102 track->cluster[i].entries);
103 }
104 }
105 }
106 return updateSize(pb, pos);
107 }
108
109 /* Sample to chunk atom */
110 static int mov_write_stsc_tag(ByteIOContext *pb, MOVTrack *track)
111 {
112 int index = 0, oldval = -1, i;
113 int64_t entryPos, curpos;
114
115 int64_t pos = url_ftell(pb);
116 put_be32(pb, 0); /* size */
117 put_tag(pb, "stsc");
118 put_be32(pb, 0); // version & flags
119 entryPos = url_ftell(pb);
120 put_be32(pb, track->entry); // entry count
121 for (i=0; i<track->entry; i++) {
122 if(oldval != track->cluster[i].samplesInChunk)
123 {
124 put_be32(pb, i+1); // first chunk
125 put_be32(pb, track->cluster[i].samplesInChunk); // samples per chunk
126 put_be32(pb, 0x1); // sample description index
127 oldval = track->cluster[i].samplesInChunk;
128 index++;
129 }
130 }
131 curpos = url_ftell(pb);
132 url_fseek(pb, entryPos, SEEK_SET);
133 put_be32(pb, index); // rewrite size
134 url_fseek(pb, curpos, SEEK_SET);
135
136 return updateSize(pb, pos);
137 }
138
139 /* Sync sample atom */
140 static int mov_write_stss_tag(ByteIOContext *pb, MOVTrack *track, uint32_t flag)
141 {
142 int64_t curpos, entryPos;
143 int i, index = 0;
144 int64_t pos = url_ftell(pb);
145 put_be32(pb, 0); // size
146 put_tag(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
147 put_be32(pb, 0); // version & flags
148 entryPos = url_ftell(pb);
149 put_be32(pb, track->entry); // entry count
150 for (i=0; i<track->entry; i++) {
151 if (track->cluster[i].flags & flag) {
152 put_be32(pb, i+1);
153 index++;
154 }
155 }
156 curpos = url_ftell(pb);
157 url_fseek(pb, entryPos, SEEK_SET);
158 put_be32(pb, index); // rewrite size
159 url_fseek(pb, curpos, SEEK_SET);
160 return updateSize(pb, pos);
161 }
162
163 static int mov_write_amr_tag(ByteIOContext *pb, MOVTrack *track)
164 {
165 put_be32(pb, 0x11); /* size */
166 if (track->mode == MODE_MOV) put_tag(pb, "samr");
167 else put_tag(pb, "damr");
168 put_tag(pb, "FFMP");
169 put_byte(pb, 0); /* decoder version */
170
171 put_be16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
172 put_byte(pb, 0x00); /* Mode change period (no restriction) */
173 put_byte(pb, 0x01); /* Frames per sample */
174 return 0x11;
175 }
176
177 static int mov_write_ac3_tag(ByteIOContext *pb, MOVTrack *track)
178 {
179 GetBitContext gbc;
180 PutBitContext pbc;
181 uint8_t buf[3];
182 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
183
184 if (track->vosLen < 7)
185 return -1;
186
187 put_be32(pb, 11);
188 put_tag(pb, "dac3");
189
190 init_get_bits(&gbc, track->vosData+4, track->vosLen-4);
191 fscod = get_bits(&gbc, 2);
192 frmsizecod = get_bits(&gbc, 6);
193 bsid = get_bits(&gbc, 5);
194 bsmod = get_bits(&gbc, 3);
195 acmod = get_bits(&gbc, 3);
196 if (acmod == 2) {
197 skip_bits(&gbc, 2); // dsurmod
198 } else {
199 if ((acmod & 1) && acmod != 1)
200 skip_bits(&gbc, 2); // cmixlev
201 if (acmod & 4)
202 skip_bits(&gbc, 2); // surmixlev
203 }
204 lfeon = get_bits1(&gbc);
205
206 init_put_bits(&pbc, buf, sizeof(buf));
207 put_bits(&pbc, 2, fscod);
208 put_bits(&pbc, 5, bsid);
209 put_bits(&pbc, 3, bsmod);
210 put_bits(&pbc, 3, acmod);
211 put_bits(&pbc, 1, lfeon);
212 put_bits(&pbc, 5, frmsizecod>>1); // bit_rate_code
213 put_bits(&pbc, 5, 0); // reserved
214
215 flush_put_bits(&pbc);
216 put_buffer(pb, buf, sizeof(buf));
217
218 return 11;
219 }
220
221 /**
222 * This function writes extradata "as is".
223 * Extradata must be formated like a valid atom (with size and tag)
224 */
225 static int mov_write_extradata_tag(ByteIOContext *pb, MOVTrack *track)
226 {
227 put_buffer(pb, track->enc->extradata, track->enc->extradata_size);
228 return track->enc->extradata_size;
229 }
230
231 static int mov_write_enda_tag(ByteIOContext *pb)
232 {
233 put_be32(pb, 10);
234 put_tag(pb, "enda");
235 put_be16(pb, 1); /* little endian */
236 return 10;
237 }
238
239 static unsigned int descrLength(unsigned int len)
240 {
241 int i;
242 for(i=1; len>>(7*i); i++);
243 return len + 1 + i;
244 }
245
246 static void putDescr(ByteIOContext *pb, int tag, unsigned int size)
247 {
248 int i= descrLength(size) - size - 2;
249 put_byte(pb, tag);
250 for(; i>0; i--)
251 put_byte(pb, (size>>(7*i)) | 0x80);
252 put_byte(pb, size & 0x7F);
253 }
254
255 static int mov_write_esds_tag(ByteIOContext *pb, MOVTrack *track) // Basic
256 {
257 int64_t pos = url_ftell(pb);
258 int decoderSpecificInfoLen = track->vosLen ? descrLength(track->vosLen):0;
259
260 put_be32(pb, 0); // size
261 put_tag(pb, "esds");
262 put_be32(pb, 0); // Version
263
264 // ES descriptor
265 putDescr(pb, 0x03, 3 + descrLength(13 + decoderSpecificInfoLen) +
266 descrLength(1));
267 put_be16(pb, track->trackID);
268 put_byte(pb, 0x00); // flags (= no flags)
269
270 // DecoderConfig descriptor
271 putDescr(pb, 0x04, 13 + decoderSpecificInfoLen);
272
273 // Object type indication
274 if ((track->enc->codec_id == CODEC_ID_MP2 ||
275 track->enc->codec_id == CODEC_ID_MP3) &&
276 track->enc->sample_rate > 24000)
277 put_byte(pb, 0x6B); // 11172-3
278 else
279 put_byte(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
280
281 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
282 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
283 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
284 put_byte(pb, 0x15); // flags (= Audiostream)
285 else
286 put_byte(pb, 0x11); // flags (= Visualstream)
287
288 put_byte(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits)
289 put_be16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB
290
291 put_be32(pb, FFMAX(track->enc->bit_rate, track->enc->rc_max_rate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
292 if(track->enc->rc_max_rate != track->enc->rc_min_rate || track->enc->rc_min_rate==0)
293 put_be32(pb, 0); // vbr
294 else
295 put_be32(pb, track->enc->rc_max_rate); // avg bitrate
296
297 if (track->vosLen) {
298 // DecoderSpecific info descriptor
299 putDescr(pb, 0x05, track->vosLen);
300 put_buffer(pb, track->vosData, track->vosLen);
301 }
302
303 // SL descriptor
304 putDescr(pb, 0x06, 1);
305 put_byte(pb, 0x02);
306 return updateSize(pb, pos);
307 }
308
309 static int mov_pcm_le_gt16(enum CodecID codec_id)
310 {
311 return codec_id == CODEC_ID_PCM_S24LE ||
312 codec_id == CODEC_ID_PCM_S32LE ||
313 codec_id == CODEC_ID_PCM_F32LE ||
314 codec_id == CODEC_ID_PCM_F64LE;
315 }
316
317 static int mov_write_ms_tag(ByteIOContext *pb, MOVTrack *track)
318 {
319 int64_t pos = url_ftell(pb);
320 put_be32(pb, 0);
321 put_le32(pb, track->tag); // store it byteswapped
322 track->enc->codec_tag = av_bswap16(track->tag >> 16);
323 ff_put_wav_header(pb, track->enc);
324 return updateSize(pb, pos);
325 }
326
327 static int mov_write_wave_tag(ByteIOContext *pb, MOVTrack *track)
328 {
329 int64_t pos = url_ftell(pb);
330
331 put_be32(pb, 0); /* size */
332 put_tag(pb, "wave");
333
334 put_be32(pb, 12); /* size */
335 put_tag(pb, "frma");
336 put_le32(pb, track->tag);
337
338 if (track->enc->codec_id == CODEC_ID_AAC) {
339 /* useless atom needed by mplayer, ipod, not needed by quicktime */
340 put_be32(pb, 12); /* size */
341 put_tag(pb, "mp4a");
342 put_be32(pb, 0);
343 mov_write_esds_tag(pb, track);
344 } else if (mov_pcm_le_gt16(track->enc->codec_id)) {
345 mov_write_enda_tag(pb);
346 } else if (track->enc->codec_id == CODEC_ID_AMR_NB) {
347 mov_write_amr_tag(pb, track);
348 } else if (track->enc->codec_id == CODEC_ID_AC3) {
349 mov_write_ac3_tag(pb, track);
350 } else if (track->enc->codec_id == CODEC_ID_ALAC) {
351 mov_write_extradata_tag(pb, track);
352 } else if (track->enc->codec_id == CODEC_ID_ADPCM_MS ||
353 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
354 mov_write_ms_tag(pb, track);
355 }
356
357 put_be32(pb, 8); /* size */
358 put_be32(pb, 0); /* null tag */
359
360 return updateSize(pb, pos);
361 }
362
363 static int mov_write_glbl_tag(ByteIOContext *pb, MOVTrack *track)
364 {
365 put_be32(pb, track->vosLen+8);
366 put_tag(pb, "glbl");
367 put_buffer(pb, track->vosData, track->vosLen);
368 return 8+track->vosLen;
369 }
370
371 /**
372 * Compute flags for 'lpcm' tag.
373 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
374 */
375 static int mov_get_lpcm_flags(enum CodecID codec_id)
376 {
377 switch (codec_id) {
378 case CODEC_ID_PCM_F32BE:
379 case CODEC_ID_PCM_F64BE:
380 return 11;
381 case CODEC_ID_PCM_F32LE:
382 case CODEC_ID_PCM_F64LE:
383 return 9;
384 case CODEC_ID_PCM_U8:
385 return 10;
386 case CODEC_ID_PCM_S16BE:
387 case CODEC_ID_PCM_S24BE:
388 case CODEC_ID_PCM_S32BE:
389 return 14;
390 case CODEC_ID_PCM_S8:
391 case CODEC_ID_PCM_S16LE:
392 case CODEC_ID_PCM_S24LE:
393 case CODEC_ID_PCM_S32LE:
394 return 12;
395 default:
396 return 0;
397 }
398 }
399
400 static int mov_write_audio_tag(ByteIOContext *pb, MOVTrack *track)
401 {
402 int64_t pos = url_ftell(pb);
403 int version = 0;
404 uint32_t tag = track->tag;
405
406 if (track->mode == MODE_MOV) {
407 if (track->timescale > UINT16_MAX) {
408 if (mov_get_lpcm_flags(track->enc->codec_id))
409 tag = AV_RL32("lpcm");
410 version = 2;
411 } else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id) ||
412 track->enc->codec_id == CODEC_ID_ADPCM_MS ||
413 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
414 version = 1;
415 }
416 }
417
418 put_be32(pb, 0); /* size */
419 put_le32(pb, tag); // store it byteswapped
420 put_be32(pb, 0); /* Reserved */
421 put_be16(pb, 0); /* Reserved */
422 put_be16(pb, 1); /* Data-reference index, XXX == 1 */
423
424 /* SoundDescription */
425 put_be16(pb, version); /* Version */
426 put_be16(pb, 0); /* Revision level */
427 put_be32(pb, 0); /* Reserved */
428
429 if (version == 2) {
430 put_be16(pb, 3);
431 put_be16(pb, 16);
432 put_be16(pb, 0xfffe);
433 put_be16(pb, 0);
434 put_be32(pb, 0x00010000);
435 put_be32(pb, 72);
436 put_be64(pb, av_dbl2int(track->timescale));
437 put_be32(pb, track->enc->channels);
438 put_be32(pb, 0x7F000000);
439 put_be32(pb, av_get_bits_per_sample(track->enc->codec_id));
440 put_be32(pb, mov_get_lpcm_flags(track->enc->codec_id));
441 put_be32(pb, track->sampleSize);
442 put_be32(pb, track->enc->frame_size);
443 } else {
444 if (track->mode == MODE_MOV) {
445 put_be16(pb, track->enc->channels);
446 if (track->enc->codec_id == CODEC_ID_PCM_U8 ||
447 track->enc->codec_id == CODEC_ID_PCM_S8)
448 put_be16(pb, 8); /* bits per sample */
449 else
450 put_be16(pb, 16);
451 put_be16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
452 } else { /* reserved for mp4/3gp */
453 put_be16(pb, 2);
454 put_be16(pb, 16);
455 put_be16(pb, 0);
456 }
457
458 put_be16(pb, 0); /* packet size (= 0) */
459 put_be16(pb, track->timescale); /* Time scale */
460 put_be16(pb, 0); /* Reserved */
461 }
462
463 if(version == 1) { /* SoundDescription V1 extended info */
464 put_be32(pb, track->enc->frame_size); /* Samples per packet */
465 put_be32(pb, track->sampleSize / track->enc->channels); /* Bytes per packet */
466 put_be32(pb, track->sampleSize); /* Bytes per frame */
467 put_be32(pb, 2); /* Bytes per sample */
468 }
469
470 if(track->mode == MODE_MOV &&
471 (track->enc->codec_id == CODEC_ID_AAC ||
472 track->enc->codec_id == CODEC_ID_AC3 ||
473 track->enc->codec_id == CODEC_ID_AMR_NB ||
474 track->enc->codec_id == CODEC_ID_ALAC ||
475 track->enc->codec_id == CODEC_ID_ADPCM_MS ||
476 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV ||
477 mov_pcm_le_gt16(track->enc->codec_id)))
478 mov_write_wave_tag(pb, track);
479 else if(track->tag == MKTAG('m','p','4','a'))
480 mov_write_esds_tag(pb, track);
481 else if(track->enc->codec_id == CODEC_ID_AMR_NB)
482 mov_write_amr_tag(pb, track);
483 else if(track->enc->codec_id == CODEC_ID_AC3)
484 mov_write_ac3_tag(pb, track);
485 else if(track->enc->codec_id == CODEC_ID_ALAC)
486 mov_write_extradata_tag(pb, track);
487 else if(track->vosLen > 0)
488 mov_write_glbl_tag(pb, track);
489
490 return updateSize(pb, pos);
491 }
492
493 static int mov_write_d263_tag(ByteIOContext *pb)
494 {
495 put_be32(pb, 0xf); /* size */
496 put_tag(pb, "d263");
497 put_tag(pb, "FFMP");
498 put_byte(pb, 0); /* decoder version */
499 /* FIXME use AVCodecContext level/profile, when encoder will set values */
500 put_byte(pb, 0xa); /* level */
501 put_byte(pb, 0); /* profile */
502 return 0xf;
503 }
504
505 /* TODO: No idea about these values */
506 static int mov_write_svq3_tag(ByteIOContext *pb)
507 {
508 put_be32(pb, 0x15);
509 put_tag(pb, "SMI ");
510 put_tag(pb, "SEQH");
511 put_be32(pb, 0x5);
512 put_be32(pb, 0xe2c0211d);
513 put_be32(pb, 0xc0000000);
514 put_byte(pb, 0);
515 return 0x15;
516 }
517
518 static int mov_write_avcc_tag(ByteIOContext *pb, MOVTrack *track)
519 {
520 int64_t pos = url_ftell(pb);
521
522 put_be32(pb, 0);
523 put_tag(pb, "avcC");
524 ff_isom_write_avcc(pb, track->vosData, track->vosLen);
525 return updateSize(pb, pos);
526 }
527
528 /* also used by all avid codecs (dv, imx, meridien) and their variants */
529 static int mov_write_avid_tag(ByteIOContext *pb, MOVTrack *track)
530 {
531 int i;
532 put_be32(pb, 24); /* size */
533 put_tag(pb, "ACLR");
534 put_tag(pb, "ACLR");
535 put_tag(pb, "0001");
536 put_be32(pb, 1); /* yuv 1 / rgb 2 ? */
537 put_be32(pb, 0); /* unknown */
538
539 put_be32(pb, 24); /* size */
540 put_tag(pb, "APRG");
541 put_tag(pb, "APRG");
542 put_tag(pb, "0001");
543 put_be32(pb, 1); /* unknown */
544 put_be32(pb, 0); /* unknown */
545
546 put_be32(pb, 120); /* size */
547 put_tag(pb, "ARES");
548 put_tag(pb, "ARES");
549 put_tag(pb, "0001");
550 put_be32(pb, AV_RB32(track->vosData + 0x28)); /* dnxhd cid, some id ? */
551 put_be32(pb, track->enc->width);
552 /* values below are based on samples created with quicktime and avid codecs */
553 if (track->vosData[5] & 2) { // interlaced
554 put_be32(pb, track->enc->height/2);
555 put_be32(pb, 2); /* unknown */
556 put_be32(pb, 0); /* unknown */
557 put_be32(pb, 4); /* unknown */
558 } else {
559 put_be32(pb, track->enc->height);
560 put_be32(pb, 1); /* unknown */
561 put_be32(pb, 0); /* unknown */
562 if (track->enc->height == 1080)
563 put_be32(pb, 5); /* unknown */
564 else
565 put_be32(pb, 6); /* unknown */
566 }
567 /* padding */
568 for (i = 0; i < 10; i++)
569 put_be64(pb, 0);
570
571 /* extra padding for stsd needed */
572 put_be32(pb, 0);
573 return 0;
574 }
575
576 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
577 {
578 int tag = track->enc->codec_tag;
579
580 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
581 return 0;
582
583 if (track->enc->codec_id == CODEC_ID_H264) tag = MKTAG('a','v','c','1');
584 else if (track->enc->codec_id == CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
585 else if (track->enc->codec_id == CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
586 else if (track->enc->codec_id == CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
587 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
588 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
589
590 return tag;
591 }
592
593 static const AVCodecTag codec_ipod_tags[] = {
594 { CODEC_ID_H264, MKTAG('a','v','c','1') },
595 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
596 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
597 { CODEC_ID_ALAC, MKTAG('a','l','a','c') },
598 { CODEC_ID_AC3, MKTAG('a','c','-','3') },
599 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
600 { CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
601 { CODEC_ID_NONE, 0 },
602 };
603
604 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
605 {
606 int tag = track->enc->codec_tag;
607
608 // keep original tag for subs, ipod supports both formats
609 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
610 (tag == MKTAG('t','x','3','g') ||
611 tag == MKTAG('t','e','x','t'))))
612 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
613
614 if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v"))
615 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
616 "Quicktime/Ipod might not play the file\n");
617
618 return tag;
619 }
620
621 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
622 {
623 int tag;
624
625 if (track->enc->height == 480) /* NTSC */
626 if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
627 else tag = MKTAG('d','v','c',' ');
628 else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
629 else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
630 else tag = MKTAG('d','v','p','p');
631
632 return tag;
633 }
634
635 static const struct {
636 enum PixelFormat pix_fmt;
637 uint32_t tag;
638 unsigned bps;
639 } mov_pix_fmt_tags[] = {
640 { PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
641 { PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
642 { PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
643 { PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
644 { PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
645 { PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
646 { PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
647 { PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
648 { PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
649 { PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
650 { PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
651 { PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
652 { PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
653 { PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
654 };
655
656 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
657 {
658 int tag = track->enc->codec_tag;
659 int i;
660
661 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
662 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
663 tag = mov_pix_fmt_tags[i].tag;
664 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
665 break;
666 }
667 }
668
669 return tag;
670 }
671
672 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
673 {
674 int tag = track->enc->codec_tag;
675
676 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
677 (track->enc->codec_id == CODEC_ID_DVVIDEO ||
678 track->enc->codec_id == CODEC_ID_RAWVIDEO ||
679 track->enc->codec_id == CODEC_ID_H263 ||
680 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
681 if (track->enc->codec_id == CODEC_ID_DVVIDEO)
682 tag = mov_get_dv_codec_tag(s, track);
683 else if (track->enc->codec_id == CODEC_ID_RAWVIDEO)
684 tag = mov_get_rawvideo_codec_tag(s, track);
685 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
686 tag = ff_codec_get_tag(codec_movvideo_tags, track->enc->codec_id);
687 if (!tag) { // if no mac fcc found, try with Microsoft tags
688 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
689 if (tag)
690 av_log(s, AV_LOG_INFO, "Warning, using MS style video codec tag, "
691 "the file may be unplayable!\n");
692 }
693 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
694 tag = ff_codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
695 if (!tag) { // if no mac fcc found, try with Microsoft tags
696 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
697 if (ms_tag) {
698 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
699 av_log(s, AV_LOG_INFO, "Warning, using MS style audio codec tag, "
700 "the file may be unplayable!\n");
701 }
702 }
703 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
704 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
705 }
706
707 return tag;
708 }
709
710 static const AVCodecTag codec_3gp_tags[] = {
711 { CODEC_ID_H263, MKTAG('s','2','6','3') },
712 { CODEC_ID_H264, MKTAG('a','v','c','1') },
713 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
714 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
715 { CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
716 { CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
717 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
718 { CODEC_ID_NONE, 0 },
719 };
720
721 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
722 {
723 int tag = track->enc->codec_tag;
724
725 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
726 tag = mp4_get_codec_tag(s, track);
727 else if (track->mode == MODE_IPOD)
728 tag = ipod_get_codec_tag(s, track);
729 else if (track->mode & MODE_3GP)
730 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
731 else
732 tag = mov_get_codec_tag(s, track);
733
734 return tag;
735 }
736
737 /** Write uuid atom.
738 * Needed to make file play in iPods running newest firmware
739 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
740 */
741 static int mov_write_uuid_tag_ipod(ByteIOContext *pb)
742 {
743 put_be32(pb, 28);
744 put_tag(pb, "uuid");
745 put_be32(pb, 0x6b6840f2);
746 put_be32(pb, 0x5f244fc5);
747 put_be32(pb, 0xba39a51b);
748 put_be32(pb, 0xcf0323f3);
749 put_be32(pb, 0x0);
750 return 28;
751 }
752
753 static int mov_write_subtitle_tag(ByteIOContext *pb, MOVTrack *track)
754 {
755 int64_t pos = url_ftell(pb);
756 put_be32(pb, 0); /* size */
757 put_le32(pb, track->tag); // store it byteswapped
758 put_be32(pb, 0); /* Reserved */
759 put_be16(pb, 0); /* Reserved */
760 put_be16(pb, 1); /* Data-reference index */
761
762 if (track->enc->extradata_size)
763 put_buffer(pb, track->enc->extradata, track->enc->extradata_size);
764
765 return updateSize(pb, pos);
766 }
767
768 static int mov_write_pasp_tag(ByteIOContext *pb, MOVTrack *track)
769 {
770 AVRational sar;
771 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
772 track->enc->sample_aspect_ratio.den, INT_MAX);
773
774 put_be32(pb, 16);
775 put_tag(pb, "pasp");
776 put_be32(pb, sar.num);
777 put_be32(pb, sar.den);
778 return 16;
779 }
780
781 static int mov_write_video_tag(ByteIOContext *pb, MOVTrack *track)
782 {
783 int64_t pos = url_ftell(pb);
784 char compressor_name[32];
785
786 put_be32(pb, 0); /* size */
787 put_le32(pb, track->tag); // store it byteswapped
788 put_be32(pb, 0); /* Reserved */
789 put_be16(pb, 0); /* Reserved */
790 put_be16(pb, 1); /* Data-reference index */
791
792 put_be16(pb, 0); /* Codec stream version */
793 put_be16(pb, 0); /* Codec stream revision (=0) */
794 if (track->mode == MODE_MOV) {
795 put_tag(pb, "FFMP"); /* Vendor */
796 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
797 put_be32(pb, 0); /* Temporal Quality */
798 put_be32(pb, 0x400); /* Spatial Quality = lossless*/
799 } else {
800 put_be32(pb, 0x200); /* Temporal Quality = normal */
801 put_be32(pb, 0x200); /* Spatial Quality = normal */
802 }
803 } else {
804 put_be32(pb, 0); /* Reserved */
805 put_be32(pb, 0); /* Reserved */
806 put_be32(pb, 0); /* Reserved */
807 }
808 put_be16(pb, track->enc->width); /* Video width */
809 put_be16(pb, track->height); /* Video height */
810 put_be32(pb, 0x00480000); /* Horizontal resolution 72dpi */
811 put_be32(pb, 0x00480000); /* Vertical resolution 72dpi */
812 put_be32(pb, 0); /* Data size (= 0) */
813 put_be16(pb, 1); /* Frame count (= 1) */
814
815 memset(compressor_name,0,32);
816 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
817 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
818 strncpy(compressor_name,track->enc->codec->name,31);
819 put_byte(pb, strlen(compressor_name));
820 put_buffer(pb, compressor_name, 31);
821
822 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
823 put_be16(pb, track->enc->bits_per_coded_sample);
824 else
825 put_be16(pb, 0x18); /* Reserved */
826 put_be16(pb, 0xffff); /* Reserved */
827 if(track->tag == MKTAG('m','p','4','v'))
828 mov_write_esds_tag(pb, track);
829 else if(track->enc->codec_id == CODEC_ID_H263)
830 mov_write_d263_tag(pb);
831 else if(track->enc->codec_id == CODEC_ID_SVQ3)
832 mov_write_svq3_tag(pb);
833 else if(track->enc->codec_id == CODEC_ID_DNXHD)
834 mov_write_avid_tag(pb, track);
835 else if(track->enc->codec_id == CODEC_ID_H264) {
836 mov_write_avcc_tag(pb, track);
837 if(track->mode == MODE_IPOD)
838 mov_write_uuid_tag_ipod(pb);
839 } else if(track->vosLen > 0)
840 mov_write_glbl_tag(pb, track);
841
842 if (track->mode == MODE_MOV &&
843 track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
844 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
845 mov_write_pasp_tag(pb, track);
846 }
847
848 return updateSize(pb, pos);
849 }
850
851 static int mov_write_rtp_tag(ByteIOContext *pb, MOVTrack *track)
852 {
853 int64_t pos = url_ftell(pb);
854 put_be32(pb, 0); /* size */
855 put_tag(pb, "rtp ");
856 put_be32(pb, 0); /* Reserved */
857 put_be16(pb, 0); /* Reserved */
858 put_be16(pb, 1); /* Data-reference index */
859
860 put_be16(pb, 1); /* Hint track version */
861 put_be16(pb, 1); /* Highest compatible version */
862 put_be32(pb, track->max_packet_size); /* Max packet size */
863
864 put_be32(pb, 12); /* size */
865 put_tag(pb, "tims");
866 put_be32(pb, track->timescale);
867
868 return updateSize(pb, pos);
869 }
870
871 static int mov_write_stsd_tag(ByteIOContext *pb, MOVTrack *track)
872 {
873 int64_t pos = url_ftell(pb);
874 put_be32(pb, 0); /* size */
875 put_tag(pb, "stsd");
876 put_be32(pb, 0); /* version & flags */
877 put_be32(pb, 1); /* entry count */
878 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
879 mov_write_video_tag(pb, track);
880 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
881 mov_write_audio_tag(pb, track);
882 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
883 mov_write_subtitle_tag(pb, track);
884 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
885 mov_write_rtp_tag(pb, track);
886 return updateSize(pb, pos);
887 }
888
889 static int mov_write_ctts_tag(ByteIOContext *pb, MOVTrack *track)
890 {
891 MOVStts *ctts_entries;
892 uint32_t entries = 0;
893 uint32_t atom_size;
894 int i;
895
896 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
897 ctts_entries[0].count = 1;
898 ctts_entries[0].duration = track->cluster[0].cts;
899 for (i=1; i<track->entry; i++) {
900 if (track->cluster[i].cts == ctts_entries[entries].duration) {
901 ctts_entries[entries].count++; /* compress */
902 } else {
903 entries++;
904 ctts_entries[entries].duration = track->cluster[i].cts;
905 ctts_entries[entries].count = 1;
906 }
907 }
908 entries++; /* last one */
909 atom_size = 16 + (entries * 8);
910 put_be32(pb, atom_size); /* size */
911 put_tag(pb, "ctts");
912 put_be32(pb, 0); /* version & flags */
913 put_be32(pb, entries); /* entry count */
914 for (i=0; i<entries; i++) {
915 put_be32(pb, ctts_entries[i].count);
916 put_be32(pb, ctts_entries[i].duration);
917 }
918 av_free(ctts_entries);
919 return atom_size;
920 }
921
922 /* Time to sample atom */
923 static int mov_write_stts_tag(ByteIOContext *pb, MOVTrack *track)
924 {
925 MOVStts *stts_entries;
926 uint32_t entries = -1;
927 uint32_t atom_size;
928 int i;
929
930 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
931 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
932 stts_entries[0].count = track->sampleCount;
933 stts_entries[0].duration = 1;
934 entries = 1;
935 } else {
936 stts_entries = av_malloc(track->entry * sizeof(*stts_entries)); /* worst case */
937 for (i=0; i<track->entry; i++) {
938 int64_t duration = i + 1 == track->entry ?
939 track->trackDuration - track->cluster[i].dts + track->cluster[0].dts : /* readjusting */
940 track->cluster[i+1].dts - track->cluster[i].dts;
941 if (i && duration == stts_entries[entries].duration) {
942 stts_entries[entries].count++; /* compress */
943 } else {
944 entries++;
945 stts_entries[entries].duration = duration;
946 stts_entries[entries].count = 1;
947 }
948 }
949 entries++; /* last one */
950 }
951 atom_size = 16 + (entries * 8);
952 put_be32(pb, atom_size); /* size */
953 put_tag(pb, "stts");
954 put_be32(pb, 0); /* version & flags */
955 put_be32(pb, entries); /* entry count */
956 for (i=0; i<entries; i++) {
957 put_be32(pb, stts_entries[i].count);
958 put_be32(pb, stts_entries[i].duration);
959 }
960 av_free(stts_entries);
961 return atom_size;
962 }
963
964 static int mov_write_dref_tag(ByteIOContext *pb)
965 {
966 put_be32(pb, 28); /* size */
967 put_tag(pb, "dref");
968 put_be32(pb, 0); /* version & flags */
969 put_be32(pb, 1); /* entry count */
970
971 put_be32(pb, 0xc); /* size */
972 put_tag(pb, "url ");
973 put_be32(pb, 1); /* version & flags */
974
975 return 28;
976 }
977
978 static int mov_write_stbl_tag(ByteIOContext *pb, MOVTrack *track)
979 {
980 int64_t pos = url_ftell(pb);
981 put_be32(pb, 0); /* size */
982 put_tag(pb, "stbl");
983 mov_write_stsd_tag(pb, track);
984 mov_write_stts_tag(pb, track);
985 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
986 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
987 track->hasKeyframes && track->hasKeyframes < track->entry)
988 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
989 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
990 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
991 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
992 track->flags & MOV_TRACK_CTTS)
993 mov_write_ctts_tag(pb, track);
994 mov_write_stsc_tag(pb, track);
995 mov_write_stsz_tag(pb, track);
996 mov_write_stco_tag(pb, track);
997 return updateSize(pb, pos);
998 }
999
1000 static int mov_write_dinf_tag(ByteIOContext *pb)
1001 {
1002 int64_t pos = url_ftell(pb);
1003 put_be32(pb, 0); /* size */
1004 put_tag(pb, "dinf");
1005 mov_write_dref_tag(pb);
1006 return updateSize(pb, pos);
1007 }
1008
1009 static int mov_write_nmhd_tag(ByteIOContext *pb)
1010 {
1011 put_be32(pb, 12);
1012 put_tag(pb, "nmhd");
1013 put_be32(pb, 0);
1014 return 12;
1015 }
1016
1017 static int mov_write_gmhd_tag(ByteIOContext *pb)
1018 {
1019 put_be32(pb, 0x20); /* size */
1020 put_tag(pb, "gmhd");
1021 put_be32(pb, 0x18); /* gmin size */
1022 put_tag(pb, "gmin"); /* generic media info */
1023 put_be32(pb, 0); /* version & flags */
1024 put_be16(pb, 0x40); /* graphics mode = */
1025 put_be16(pb, 0x8000); /* opColor (r?) */
1026 put_be16(pb, 0x8000); /* opColor (g?) */
1027 put_be16(pb, 0x8000); /* opColor (b?) */
1028 put_be16(pb, 0); /* balance */
1029 put_be16(pb, 0); /* reserved */
1030 return 0x20;
1031 }
1032
1033 static int mov_write_smhd_tag(ByteIOContext *pb)
1034 {
1035 put_be32(pb, 16); /* size */
1036 put_tag(pb, "smhd");
1037 put_be32(pb, 0); /* version & flags */
1038 put_be16(pb, 0); /* reserved (balance, normally = 0) */
1039 put_be16(pb, 0); /* reserved */
1040 return 16;
1041 }
1042
1043 static int mov_write_vmhd_tag(ByteIOContext *pb)
1044 {
1045 put_be32(pb, 0x14); /* size (always 0x14) */
1046 put_tag(pb, "vmhd");
1047 put_be32(pb, 0x01); /* version & flags */
1048 put_be64(pb, 0); /* reserved (graphics mode = copy) */
1049 return 0x14;
1050 }
1051
1052 static int mov_write_hdlr_tag(ByteIOContext *pb, MOVTrack *track)
1053 {
1054 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1055 int64_t pos = url_ftell(pb);
1056
1057 if (!track) { /* no media --> data handler */
1058 hdlr = "dhlr";
1059 hdlr_type = "url ";
1060 descr = "DataHandler";
1061 } else {
1062 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1063 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1064 hdlr_type = "vide";
1065 descr = "VideoHandler";
1066 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1067 hdlr_type = "soun";
1068 descr = "SoundHandler";
1069 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1070 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
1071 else hdlr_type = "text";
1072 descr = "SubtitleHandler";
1073 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1074 hdlr_type = "hint";
1075 descr = "HintHandler";
1076 }
1077 }
1078
1079 put_be32(pb, 0); /* size */
1080 put_tag(pb, "hdlr");
1081 put_be32(pb, 0); /* Version & flags */
1082 put_buffer(pb, hdlr, 4); /* handler */
1083 put_tag(pb, hdlr_type); /* handler type */
1084 put_be32(pb ,0); /* reserved */
1085 put_be32(pb ,0); /* reserved */
1086 put_be32(pb ,0); /* reserved */
1087 if (!track || track->mode == MODE_MOV)
1088 put_byte(pb, strlen(descr)); /* pascal string */
1089 put_buffer(pb, descr, strlen(descr)); /* handler description */
1090 if (track && track->mode != MODE_MOV)
1091 put_byte(pb, 0); /* c string */
1092 return updateSize(pb, pos);
1093 }
1094
1095 static int mov_write_hmhd_tag(ByteIOContext *pb)
1096 {
1097 /* This atom must be present, but leaving the values at zero
1098 * seems harmless. */
1099 put_be32(pb, 28); /* size */
1100 put_tag(pb, "hmhd");
1101 put_be32(pb, 0); /* version, flags */
1102 put_be16(pb, 0); /* maxPDUsize */
1103 put_be16(pb, 0); /* avgPDUsize */
1104 put_be32(pb, 0); /* maxbitrate */
1105 put_be32(pb, 0); /* avgbitrate */
1106 put_be32(pb, 0); /* reserved */
1107 return 28;
1108 }
1109
1110 static int mov_write_minf_tag(ByteIOContext *pb, MOVTrack *track)
1111 {
1112 int64_t pos = url_ftell(pb);
1113 put_be32(pb, 0); /* size */
1114 put_tag(pb, "minf");
1115 if(track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1116 mov_write_vmhd_tag(pb);
1117 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1118 mov_write_smhd_tag(pb);
1119 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1120 if (track->tag == MKTAG('t','e','x','t')) mov_write_gmhd_tag(pb);
1121 else mov_write_nmhd_tag(pb);
1122 } else if (track->tag == MKTAG('r','t','p',' ')) {
1123 mov_write_hmhd_tag(pb);
1124 }
1125 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1126 mov_write_hdlr_tag(pb, NULL);
1127 mov_write_dinf_tag(pb);
1128 mov_write_stbl_tag(pb, track);
1129 return updateSize(pb, pos);
1130 }
1131
1132 static int mov_write_mdhd_tag(ByteIOContext *pb, MOVTrack *track)
1133 {
1134 int version = track->trackDuration < INT32_MAX ? 0 : 1;
1135
1136 (version == 1) ? put_be32(pb, 44) : put_be32(pb, 32); /* size */
1137 put_tag(pb, "mdhd");
1138 put_byte(pb, version);
1139 put_be24(pb, 0); /* flags */
1140 if (version == 1) {
1141 put_be64(pb, track->time);
1142 put_be64(pb, track->time);
1143 } else {
1144 put_be32(pb, track->time); /* creation time */
1145 put_be32(pb, track->time); /* modification time */
1146 }
1147 put_be32(pb, track->timescale); /* time scale (sample rate for audio) */
1148 (version == 1) ? put_be64(pb, track->trackDuration) : put_be32(pb, track->trackDuration); /* duration */
1149 put_be16(pb, track->language); /* language */
1150 put_be16(pb, 0); /* reserved (quality) */
1151
1152 if(version!=0 && track->mode == MODE_MOV){
1153 av_log(NULL, AV_LOG_ERROR,
1154 "FATAL error, file duration too long for timebase, this file will not be\n"
1155 "playable with quicktime. Choose a different timebase or a different\n"
1156 "container format\n");
1157 }
1158
1159 return 32;
1160 }
1161
1162 static int mov_write_mdia_tag(ByteIOContext *pb, MOVTrack *track)
1163 {
1164 int64_t pos = url_ftell(pb);
1165 put_be32(pb, 0); /* size */
1166 put_tag(pb, "mdia");
1167 mov_write_mdhd_tag(pb, track);
1168 mov_write_hdlr_tag(pb, track);
1169 mov_write_minf_tag(pb, track);
1170 return updateSize(pb, pos);
1171 }
1172
1173 static int mov_write_tkhd_tag(ByteIOContext *pb, MOVTrack *track, AVStream *st)
1174 {
1175 int64_t duration = av_rescale_rnd(track->trackDuration, MOV_TIMESCALE,
1176 track->timescale, AV_ROUND_UP);
1177 int version = duration < INT32_MAX ? 0 : 1;
1178
1179 (version == 1) ? put_be32(pb, 104) : put_be32(pb, 92); /* size */
1180 put_tag(pb, "tkhd");
1181 put_byte(pb, version);
1182 put_be24(pb, 0xf); /* flags (track enabled) */
1183 if (version == 1) {
1184 put_be64(pb, track->time);
1185 put_be64(pb, track->time);
1186 } else {
1187 put_be32(pb, track->time); /* creation time */
1188 put_be32(pb, track->time); /* modification time */
1189 }
1190 put_be32(pb, track->trackID); /* track-id */
1191 put_be32(pb, 0); /* reserved */
1192 (version == 1) ? put_be64(pb, duration) : put_be32(pb, duration);
1193
1194 put_be32(pb, 0); /* reserved */
1195 put_be32(pb, 0); /* reserved */
1196 put_be32(pb, 0x0); /* reserved (Layer & Alternate group) */
1197 /* Volume, only for audio */
1198 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1199 put_be16(pb, 0x0100);
1200 else
1201 put_be16(pb, 0);
1202 put_be16(pb, 0); /* reserved */
1203
1204 /* Matrix structure */
1205 put_be32(pb, 0x00010000); /* reserved */
1206 put_be32(pb, 0x0); /* reserved */
1207 put_be32(pb, 0x0); /* reserved */
1208 put_be32(pb, 0x0); /* reserved */
1209 put_be32(pb, 0x00010000); /* reserved */
1210 put_be32(pb, 0x0); /* reserved */
1211 put_be32(pb, 0x0); /* reserved */
1212 put_be32(pb, 0x0); /* reserved */
1213 put_be32(pb, 0x40000000); /* reserved */
1214
1215 /* Track width and height, for visual only */
1216 if(st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1217 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
1218 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1219 if(!sample_aspect_ratio || track->height != track->enc->height)
1220 sample_aspect_ratio = 1;
1221 put_be32(pb, sample_aspect_ratio * track->enc->width*0x10000);
1222 put_be32(pb, track->height*0x10000);
1223 }
1224 else {
1225 put_be32(pb, 0);
1226 put_be32(pb, 0);
1227 }
1228 return 0x5c;
1229 }
1230
1231 // This box seems important for the psp playback ... without it the movie seems to hang
1232 static int mov_write_edts_tag(ByteIOContext *pb, MOVTrack *track)
1233 {
1234 put_be32(pb, 0x24); /* size */
1235 put_tag(pb, "edts");
1236 put_be32(pb, 0x1c); /* size */
1237 put_tag(pb, "elst");
1238 put_be32(pb, 0x0);
1239 put_be32(pb, 0x1);
1240
1241 /* duration ... doesn't seem to effect psp */
1242 put_be32(pb, av_rescale_rnd(track->trackDuration, MOV_TIMESCALE,
1243 track->timescale, AV_ROUND_UP));
1244
1245 put_be32(pb, track->cluster[0].cts); /* first pts is cts since dts is 0 */
1246 put_be32(pb, 0x00010000);
1247 return 0x24;
1248 }
1249
1250 static int mov_write_tref_tag(ByteIOContext *pb, MOVTrack *track)
1251 {
1252 put_be32(pb, 20); // size
1253 put_tag(pb, "tref");
1254 put_be32(pb, 12); // size (subatom)
1255 put_le32(pb, track->tref_tag);
1256 put_be32(pb, track->tref_id);
1257 return 20;
1258 }
1259
1260 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1261 static int mov_write_uuid_tag_psp(ByteIOContext *pb, MOVTrack *mov)
1262 {
1263 put_be32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1264 put_tag(pb, "uuid");
1265 put_tag(pb, "USMT");
1266 put_be32(pb, 0x21d24fce);
1267 put_be32(pb, 0xbb88695c);
1268 put_be32(pb, 0xfac9c740);
1269 put_be32(pb, 0x1c); // another size here!
1270 put_tag(pb, "MTDT");
1271 put_be32(pb, 0x00010012);
1272 put_be32(pb, 0x0a);
1273 put_be32(pb, 0x55c40000);
1274 put_be32(pb, 0x1);
1275 put_be32(pb, 0x0);
1276 return 0x34;
1277 }
1278
1279 static int mov_write_udta_sdp(ByteIOContext *pb, AVCodecContext *ctx, int index)
1280 {
1281 char buf[1000] = "";
1282 int len;
1283
1284 ff_sdp_write_media(buf, sizeof(buf), ctx, NULL, NULL, 0, 0);
1285 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", index);
1286 len = strlen(buf);
1287
1288 put_be32(pb, len + 24);
1289 put_tag (pb, "udta");
1290 put_be32(pb, len + 16);
1291 put_tag (pb, "hnti");
1292 put_be32(pb, len + 8);
1293 put_tag (pb, "sdp ");
1294 put_buffer(pb, buf, len);
1295 return len + 24;
1296 }
1297
1298 static int mov_write_trak_tag(ByteIOContext *pb, MOVTrack *track, AVStream *st)
1299 {
1300 int64_t pos = url_ftell(pb);
1301 put_be32(pb, 0); /* size */
1302 put_tag(pb, "trak");
1303 mov_write_tkhd_tag(pb, track, st);
1304 if (track->mode == MODE_PSP || track->flags & MOV_TRACK_CTTS)
1305 mov_write_edts_tag(pb, track); // PSP Movies require edts box
1306 if (track->tref_tag)
1307 mov_write_tref_tag(pb, track);
1308 mov_write_mdia_tag(pb, track);
1309 if (track->mode == MODE_PSP)
1310 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
1311 if (track->tag == MKTAG('r','t','p',' '))
1312 mov_write_udta_sdp(pb, track->rtp_ctx->streams[0]->codec, track->trackID);
1313 return updateSize(pb, pos);
1314 }
1315
1316 #if 0
1317 /* TODO: Not sorted out, but not necessary either */
1318 static int mov_write_iods_tag(ByteIOContext *pb, MOVMuxContext *mov)
1319 {
1320 put_be32(pb, 0x15); /* size */
1321 put_tag(pb, "iods");
1322 put_be32(pb, 0); /* version & flags */
1323 put_be16(pb, 0x1007);
1324 put_byte(pb, 0);
1325 put_be16(pb, 0x4fff);
1326 put_be16(pb, 0xfffe);
1327 put_be16(pb, 0x01ff);
1328 return 0x15;
1329 }
1330 #endif
1331
1332 static int mov_write_mvhd_tag(ByteIOContext *pb, MOVMuxContext *mov)
1333 {
1334 int maxTrackID = 1, i;
1335 int64_t maxTrackLenTemp, maxTrackLen = 0;
1336 int version;
1337
1338 for (i=0; i<mov->nb_streams; i++) {
1339 if(mov->tracks[i].entry > 0) {
1340 maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration,
1341 MOV_TIMESCALE,
1342 mov->tracks[i].timescale,
1343 AV_ROUND_UP);
1344 if(maxTrackLen < maxTrackLenTemp)
1345 maxTrackLen = maxTrackLenTemp;
1346 if(maxTrackID < mov->tracks[i].trackID)
1347 maxTrackID = mov->tracks[i].trackID;
1348 }
1349 }
1350
1351 version = maxTrackLen < UINT32_MAX ? 0 : 1;
1352 (version == 1) ? put_be32(pb, 120) : put_be32(pb, 108); /* size */
1353 put_tag(pb, "mvhd");
1354 put_byte(pb, version);
1355 put_be24(pb, 0); /* flags */
1356 if (version == 1) {
1357 put_be64(pb, mov->time);
1358 put_be64(pb, mov->time);
1359 } else {
1360 put_be32(pb, mov->time); /* creation time */
1361 put_be32(pb, mov->time); /* modification time */
1362 }
1363 put_be32(pb, MOV_TIMESCALE);
1364 (version == 1) ? put_be64(pb, maxTrackLen) : put_be32(pb, maxTrackLen); /* duration of longest track */
1365
1366 put_be32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1367 put_be16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1368 put_be16(pb, 0); /* reserved */
1369 put_be32(pb, 0); /* reserved */
1370 put_be32(pb, 0); /* reserved */
1371
1372 /* Matrix structure */
1373 put_be32(pb, 0x00010000); /* reserved */
1374 put_be32(pb, 0x0); /* reserved */
1375 put_be32(pb, 0x0); /* reserved */
1376 put_be32(pb, 0x0); /* reserved */
1377 put_be32(pb, 0x00010000); /* reserved */
1378 put_be32(pb, 0x0); /* reserved */
1379 put_be32(pb, 0x0); /* reserved */
1380 put_be32(pb, 0x0); /* reserved */
1381 put_be32(pb, 0x40000000); /* reserved */
1382
1383 put_be32(pb, 0); /* reserved (preview time) */
1384 put_be32(pb, 0); /* reserved (preview duration) */
1385 put_be32(pb, 0); /* reserved (poster time) */
1386 put_be32(pb, 0); /* reserved (selection time) */
1387 put_be32(pb, 0); /* reserved (selection duration) */
1388 put_be32(pb, 0); /* reserved (current time) */
1389 put_be32(pb, maxTrackID+1); /* Next track id */
1390 return 0x6c;
1391 }
1392
1393 static int mov_write_itunes_hdlr_tag(ByteIOContext *pb, MOVMuxContext *mov,
1394 AVFormatContext *s)
1395 {
1396 put_be32(pb, 33); /* size */
1397 put_tag(pb, "hdlr");
1398 put_be32(pb, 0);
1399 put_be32(pb, 0);
1400 put_tag(pb, "mdir");
1401 put_tag(pb, "appl");
1402 put_be32(pb, 0);
1403 put_be32(pb, 0);
1404 put_byte(pb, 0);
1405 return 33;
1406 }
1407
1408 /* helper function to write a data tag with the specified string as data */
1409 static int mov_write_string_data_tag(ByteIOContext *pb, const char *data, int lang, int long_style)
1410 {
1411 if(long_style){
1412 int size = 16 + strlen(data);
1413 put_be32(pb, size); /* size */
1414 put_tag(pb, "data");
1415 put_be32(pb, 1);
1416 put_be32(pb, 0);
1417 put_buffer(pb, data, strlen(data));
1418 return size;
1419 }else{
1420 if (!lang)
1421 lang = ff_mov_iso639_to_lang("und", 1);
1422 put_be16(pb, strlen(data)); /* string length */
1423 put_be16(pb, lang);
1424 put_buffer(pb, data, strlen(data));
1425 return strlen(data) + 4;
1426 }
1427 }
1428
1429 static int mov_write_string_tag(ByteIOContext *pb, const char *name, const char *value, int lang, int long_style){
1430 int size = 0;
1431 if (value && value[0]) {
1432 int64_t pos = url_ftell(pb);
1433 put_be32(pb, 0); /* size */
1434 put_tag(pb, name);
1435 mov_write_string_data_tag(pb, value, lang, long_style);
1436 size= updateSize(pb, pos);
1437 }
1438 return size;
1439 }
1440
1441 static int mov_write_string_metadata(AVFormatContext *s, ByteIOContext *pb,
1442 const char *name, const char *tag,
1443 int long_style)
1444 {
1445 int l, lang = 0, len, len2;
1446 AVMetadataTag *t, *t2 = NULL;
1447 char tag2[16];
1448
1449 if (!(t = av_metadata_get(s->metadata, tag, NULL, 0)))
1450 return 0;
1451
1452 len = strlen(t->key);
1453 snprintf(tag2, sizeof(tag2), "%s-", tag);
1454 while ((t2 = av_metadata_get(s->metadata, tag2, t2, AV_METADATA_IGNORE_SUFFIX))) {
1455 len2 = strlen(t2->key);
1456 if (len2 == len+4 && !strcmp(t->value, t2->value)
1457 && (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 1)) >= 0) {
1458 lang = l;
1459 break;
1460 }
1461 }
1462 return mov_write_string_tag(pb, name, t->value, lang, long_style);
1463 }
1464
1465 /* iTunes track number */
1466 static int mov_write_trkn_tag(ByteIOContext *pb, MOVMuxContext *mov,
1467 AVFormatContext *s)
1468 {
1469 AVMetadataTag *t = av_metadata_get(s->metadata, "track", NULL, 0);
1470 int size = 0, track = t ? atoi(t->value) : 0;
1471 if (track) {
1472 put_be32(pb, 32); /* size */
1473 put_tag(pb, "trkn");
1474 put_be32(pb, 24); /* size */
1475 put_tag(pb, "data");
1476 put_be32(pb, 0); // 8 bytes empty
1477 put_be32(pb, 0);
1478 put_be16(pb, 0); // empty
1479 put_be16(pb, track); // track number
1480 put_be16(pb, 0); // total track number
1481 put_be16(pb, 0); // empty
1482 size = 32;
1483 }
1484 return size;
1485 }
1486
1487 /* iTunes meta data list */
1488 static int mov_write_ilst_tag(ByteIOContext *pb, MOVMuxContext *mov,
1489 AVFormatContext *s)
1490 {
1491 int64_t pos = url_ftell(pb);
1492 put_be32(pb, 0); /* size */
1493 put_tag(pb, "ilst");
1494 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
1495 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
1496 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
1497 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
1498 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
1499 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
1500 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
1501 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
1502 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
1503 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
1504 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
1505 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
1506 mov_write_string_metadata(s, pb, "desc", "description",1);
1507 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
1508 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
1509 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
1510 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
1511 mov_write_trkn_tag(pb, mov, s);
1512 return updateSize(pb, pos);
1513 }
1514
1515 /* iTunes meta data tag */
1516 static int mov_write_meta_tag(ByteIOContext *pb, MOVMuxContext *mov,
1517 AVFormatContext *s)
1518 {
1519 int size = 0;
1520 int64_t pos = url_ftell(pb);
1521 put_be32(pb, 0); /* size */
1522 put_tag(pb, "meta");
1523 put_be32(pb, 0);
1524 mov_write_itunes_hdlr_tag(pb, mov, s);
1525 mov_write_ilst_tag(pb, mov, s);
1526 size = updateSize(pb, pos);
1527 return size;
1528 }
1529
1530 static int utf8len(const uint8_t *b)
1531 {
1532 int len=0;
1533 int val;
1534 while(*b){
1535 GET_UTF8(val, *b++, return -1;)
1536 len++;
1537 }
1538 return len;
1539 }
1540
1541 static int ascii_to_wc(ByteIOContext *pb, const uint8_t *b)
1542 {
1543 int val;
1544 while(*b){
1545 GET_UTF8(val, *b++, return -1;)
1546 put_be16(pb, val);
1547 }
1548 put_be16(pb, 0x00);
1549 return 0;
1550 }
1551
1552 static uint16_t language_code(const char *str)
1553 {
1554 return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
1555 }
1556
1557 static int mov_write_3gp_udta_tag(ByteIOContext *pb, AVFormatContext *s,
1558 const char *tag, const char *str)
1559 {
1560 int64_t pos = url_ftell(pb);
1561 AVMetadataTag *t = av_metadata_get(s->metadata, str, NULL, 0);
1562 if (!t || !utf8len(t->value))
1563 return 0;
1564 put_be32(pb, 0); /* size */
1565 put_tag (pb, tag); /* type */
1566 put_be32(pb, 0); /* version + flags */
1567 if (!strcmp(tag, "yrrc"))
1568 put_be16(pb, atoi(t->value));
1569 else {
1570 put_be16(pb, language_code("eng")); /* language */
1571 put_buffer(pb, t->value, strlen(t->value)+1); /* UTF8 string value */
1572 if (!strcmp(tag, "albm") &&
1573 (t = av_metadata_get(s->metadata, "track", NULL, 0)))
1574 put_byte(pb, atoi(t->value));
1575 }
1576 return updateSize(pb, pos);
1577 }
1578
1579 static int mov_write_chpl_tag(ByteIOContext *pb, AVFormatContext *s)
1580 {
1581 int64_t pos = url_ftell(pb);
1582 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
1583
1584 put_be32(pb, 0); // size
1585 put_tag (pb, "chpl");
1586 put_be32(pb, 0x01000000); // version + flags
1587 put_be32(pb, 0); // unknown
1588 put_byte(pb, nb_chapters);
1589
1590 for (i = 0; i < nb_chapters; i++) {
1591 AVChapter *c = s->chapters[i];
1592 AVMetadataTag *t;
1593 put_be64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
1594
1595 if ((t = av_metadata_get(c->metadata, "title", NULL, 0))) {
1596 int len = FFMIN(strlen(t->value), 255);
1597 put_byte(pb, len);
1598 put_buffer(pb, t->value, len);
1599 } else
1600 put_byte(pb, 0);
1601 }
1602 return updateSize(pb, pos);
1603 }
1604
1605 static int mov_write_udta_tag(ByteIOContext *pb, MOVMuxContext *mov,
1606 AVFormatContext *s)
1607 {
1608 ByteIOContext *pb_buf;
1609 int i, ret, size;
1610 uint8_t *buf;
1611
1612 for (i = 0; i < s->nb_streams; i++)
1613 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
1614 return 0;
1615 }
1616
1617 ret = url_open_dyn_buf(&pb_buf);
1618 if(ret < 0)
1619 return ret;
1620
1621 if (mov->mode & MODE_3GP) {
1622 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
1623 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
1624 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
1625 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
1626 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
1627 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
1628 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
1629 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
1630 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
1631 mov_write_string_metadata(s, pb_buf, "\251ART", "artist" , 0);
1632 mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0);
1633 mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0);
1634 mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0);
1635 mov_write_string_metadata(s, pb_buf, "\251day", "date" , 0);
1636 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder" , 0);
1637 mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0);
1638 mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0);
1639 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0);
1640 } else {
1641 /* iTunes meta data */
1642 mov_write_meta_tag(pb_buf, mov, s);
1643 }
1644
1645 if (s->nb_chapters)
1646 mov_write_chpl_tag(pb_buf, s);
1647
1648 if ((size = url_close_dyn_buf(pb_buf, &buf)) > 0) {
1649 put_be32(pb, size+8);
1650 put_tag(pb, "udta");
1651 put_buffer(pb, buf, size);
1652 }
1653 av_free(buf);
1654
1655 return 0;
1656 }
1657
1658 static void mov_write_psp_udta_tag(ByteIOContext *pb,
1659 const char *str, const char *lang, int type)
1660 {
1661 int len = utf8len(str)+1;
1662 if(len<=0)
1663 return;
1664 put_be16(pb, len*2+10); /* size */
1665 put_be32(pb, type); /* type */
1666 put_be16(pb, language_code(lang)); /* language */
1667 put_be16(pb, 0x01); /* ? */
1668 ascii_to_wc(pb, str);
1669 }
1670
1671 static int mov_write_uuidusmt_tag(ByteIOContext *pb, AVFormatContext *s)
1672 {
1673 AVMetadataTag *title = av_metadata_get(s->metadata, "title", NULL, 0);
1674 int64_t pos, pos2;
1675
1676 if (title) {
1677 pos = url_ftell(pb);
1678 put_be32(pb, 0); /* size placeholder*/
1679 put_tag(pb, "uuid");
1680 put_tag(pb, "USMT");
1681 put_be32(pb, 0x21d24fce); /* 96 bit UUID */
1682 put_be32(pb, 0xbb88695c);
1683 put_be32(pb, 0xfac9c740);
1684
1685 pos2 = url_ftell(pb);
1686 put_be32(pb, 0); /* size placeholder*/
1687 put_tag(pb, "MTDT");
1688 put_be16(pb, 4);
1689
1690 // ?
1691 put_be16(pb, 0x0C); /* size */
1692 put_be32(pb, 0x0B); /* type */
1693 put_be16(pb, language_code("und")); /* language */
1694 put_be16(pb, 0x0); /* ? */
1695 put_be16(pb, 0x021C); /* data */
1696
1697 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
1698 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
1699 // snprintf(dt,32,"%04d/%02d/%02d %02d:%02d:%02d",t_st->tm_year+1900,t_st->tm_mon+1,t_st->tm_mday,t_st->tm_hour,t_st->tm_min,t_st->tm_sec);
1700 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
1701
1702 updateSize(pb, pos2);
1703 return updateSize(pb, pos);
1704 }
1705
1706 return 0;
1707 }
1708
1709 static int mov_write_moov_tag(ByteIOContext *pb, MOVMuxContext *mov,
1710 AVFormatContext *s)
1711 {
1712 int i;
1713 int64_t pos = url_ftell(pb);
1714 put_be32(pb, 0); /* size placeholder*/
1715 put_tag(pb, "moov");
1716
1717 for (i=0; i<mov->nb_streams; i++) {
1718 if(mov->tracks[i].entry <= 0) continue;
1719
1720 mov->tracks[i].time = mov->time;
1721 mov->tracks[i].trackID = i+1;
1722 }
1723
1724 if (mov->chapter_track)
1725 for (i=0; i<s->nb_streams; i++) {
1726 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
1727 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].trackID;
1728 }
1729 for (i = 0; i < mov->nb_streams; i++) {
1730 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
1731 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
1732 mov->tracks[i].tref_id =
1733 mov->tracks[mov->tracks[i].src_track].trackID;
1734 }
1735 }
1736
1737 mov_write_mvhd_tag(pb, mov);
1738 //mov_write_iods_tag(pb, mov);
1739 for (i=0; i<mov->nb_streams; i++) {
1740 if(mov->tracks[i].entry > 0) {
1741 mov_write_trak_tag(pb, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
1742 }
1743 }
1744
1745 if (mov->mode == MODE_PSP)
1746 mov_write_uuidusmt_tag(pb, s);
1747 else
1748 mov_write_udta_tag(pb, mov, s);
1749
1750 return updateSize(pb, pos);
1751 }
1752
1753 static int mov_write_mdat_tag(ByteIOContext *pb, MOVMuxContext *mov)
1754 {
1755 put_be32(pb, 8); // placeholder for extended size field (64 bit)
1756 put_tag(pb, mov->mode == MODE_MOV ? "wide" : "free");
1757
1758 mov->mdat_pos = url_ftell(pb);
1759 put_be32(pb, 0); /* size placeholder*/
1760 put_tag(pb, "mdat");
1761 return 0;
1762 }
1763
1764 /* TODO: This needs to be more general */
1765 static int mov_write_ftyp_tag(ByteIOContext *pb, AVFormatContext *s)
1766 {
1767 MOVMuxContext *mov = s->priv_data;
1768 int64_t pos = url_ftell(pb);
1769 int has_h264 = 0, has_video = 0;
1770 int minor = 0x200;
1771 int i;
1772
1773 for (i = 0; i < s->nb_streams; i++) {
1774 AVStream *st = s->streams[i];
1775 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
1776 has_video = 1;
1777 if (st->codec->codec_id == CODEC_ID_H264)
1778 has_h264 = 1;
1779 }
1780
1781 put_be32(pb, 0); /* size */
1782 put_tag(pb, "ftyp");
1783
1784 if (mov->mode == MODE_3GP) {
1785 put_tag(pb, has_h264 ? "3gp6" : "3gp4");
1786 minor = has_h264 ? 0x100 : 0x200;
1787 } else if (mov->mode & MODE_3G2) {
1788 put_tag(pb, has_h264 ? "3g2b" : "3g2a");
1789 minor = has_h264 ? 0x20000 : 0x10000;
1790 }else if (mov->mode == MODE_PSP)
1791 put_tag(pb, "MSNV");
1792 else if (mov->mode == MODE_MP4)
1793 put_tag(pb, "isom");
1794 else if (mov->mode == MODE_IPOD)
1795 put_tag(pb, has_video ? "M4V ":"M4A ");
1796 else
1797 put_tag(pb, "qt ");
1798
1799 put_be32(pb, minor);
1800
1801 if(mov->mode == MODE_MOV)
1802 put_tag(pb, "qt ");
1803 else{
1804 put_tag(pb, "isom");
1805 put_tag(pb, "iso2");
1806 if(has_h264)
1807 put_tag(pb, "avc1");
1808 }
1809
1810 if (mov->mode == MODE_3GP)
1811 put_tag(pb, has_h264 ? "3gp6":"3gp4");
1812 else if (mov->mode & MODE_3G2)
1813 put_tag(pb, has_h264 ? "3g2b":"3g2a");
1814 else if (mov->mode == MODE_PSP)
1815 put_tag(pb, "MSNV");
1816 else if (mov->mode == MODE_MP4)
1817 put_tag(pb, "mp41");
1818 return updateSize(pb, pos);
1819 }
1820
1821 static void mov_write_uuidprof_tag(ByteIOContext *pb, AVFormatContext *s)
1822 {
1823 AVCodecContext *VideoCodec = s->streams[0]->codec;
1824 AVCodecContext *AudioCodec = s->streams[1]->codec;
1825 int AudioRate = AudioCodec->sample_rate;
1826 int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num);
1827 int audio_kbitrate= AudioCodec->bit_rate / 1000;
1828 int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate);
1829
1830 put_be32(pb, 0x94); /* size */
1831 put_tag(pb, "uuid");
1832 put_tag(pb, "PROF");
1833
1834 put_be32(pb, 0x21d24fce); /* 96 bit UUID */
1835 put_be32(pb, 0xbb88695c);
1836 put_be32(pb, 0xfac9c740);
1837
1838 put_be32(pb, 0x0); /* ? */
1839 put_be32(pb, 0x3); /* 3 sections ? */
1840
1841 put_be32(pb, 0x14); /* size */
1842 put_tag(pb, "FPRF");
1843 put_be32(pb, 0x0); /* ? */
1844 put_be32(pb, 0x0); /* ? */
1845 put_be32(pb, 0x0); /* ? */
1846
1847 put_be32(pb, 0x2c); /* size */
1848 put_tag(pb, "APRF"); /* audio */
1849 put_be32(pb, 0x0);
1850 put_be32(pb, 0x2); /* TrackID */
1851 put_tag(pb, "mp4a");
1852 put_be32(pb, 0x20f);
1853 put_be32(pb, 0x0);
1854 put_be32(pb, audio_kbitrate);
1855 put_be32(pb, audio_kbitrate);
1856 put_be32(pb, AudioRate);
1857 put_be32(pb, AudioCodec->channels);
1858
1859 put_be32(pb, 0x34); /* size */
1860 put_tag(pb, "VPRF"); /* video */
1861 put_be32(pb, 0x0);
1862 put_be32(pb, 0x1); /* TrackID */
1863 if (VideoCodec->codec_id == CODEC_ID_H264) {
1864 put_tag(pb, "avc1");
1865 put_be16(pb, 0x014D);
1866 put_be16(pb, 0x0015);
1867 } else {
1868 put_tag(pb, "mp4v");
1869 put_be16(pb, 0x0000);
1870 put_be16(pb, 0x0103);
1871 }
1872 put_be32(pb, 0x0);
1873 put_be32(pb, video_kbitrate);
1874 put_be32(pb, video_kbitrate);
1875 put_be32(pb, FrameRate);
1876 put_be32(pb, FrameRate);
1877 put_be16(pb, VideoCodec->width);
1878 put_be16(pb, VideoCodec->height);
1879 put_be32(pb, 0x010001); /* ? */
1880 }
1881
1882 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
1883 {
1884 uint32_t c = -1;
1885 int i, closed_gop = 0;
1886
1887 for (i = 0; i < pkt->size - 4; i++) {
1888 c = (c<<8) + pkt->data[i];
1889 if (c == 0x1b8) { // gop
1890 closed_gop = pkt->data[i+4]>>6 & 0x01;
1891 } else if (c == 0x100) { // pic
1892 int temp_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
1893 if (!temp_ref || closed_gop) // I picture is not reordered
1894 *flags = MOV_SYNC_SAMPLE;
1895 else
1896 *flags = MOV_PARTIAL_SYNC_SAMPLE;
1897 break;
1898 }
1899 }
1900 return 0;
1901 }
1902
1903 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
1904 {
1905 MOVMuxContext *mov = s->priv_data;
1906 ByteIOContext *pb = s->pb;
1907 MOVTrack *trk = &mov->tracks[pkt->stream_index];
1908 AVCodecContext *enc = trk->enc;
1909 unsigned int samplesInChunk = 0;
1910 int size= pkt->size;
1911
1912 if (url_is_streamed(s->pb)) return 0; /* Can't handle that */
1913 if (!size) return 0; /* Discard 0 sized packets */
1914
1915 if (enc->codec_id == CODEC_ID_AMR_NB) {
1916 /* We must find out how many AMR blocks there are in one packet */
1917 static uint16_t packed_size[16] =
1918 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 0};
1919 int len = 0;
1920
1921 while (len < size && samplesInChunk < 100) {
1922 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
1923 samplesInChunk++;
1924 }
1925 if(samplesInChunk > 1){
1926 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
1927 return -1;
1928 }
1929 } else if (enc->codec_id == CODEC_ID_ADPCM_MS ||
1930 enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
1931 samplesInChunk = enc->frame_size;
1932 } else if (trk->sampleSize)
1933 samplesInChunk = size/trk->sampleSize;
1934 else
1935 samplesInChunk = 1;
1936
1937 /* copy extradata if it exists */
1938 if (trk->vosLen == 0 && enc->extradata_size > 0) {
1939 trk->vosLen = enc->extradata_size;
1940 trk->vosData = av_malloc(trk->vosLen);
1941 memcpy(trk->vosData, enc->extradata, trk->vosLen);
1942 }
1943
1944 if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) {
1945 /* from x264 or from bytestream h264 */
1946 /* nal reformating needed */
1947 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
1948 } else {
1949 put_buffer(pb, pkt->data, size);
1950 }
1951
1952 if ((enc->codec_id == CODEC_ID_DNXHD ||
1953 enc->codec_id == CODEC_ID_AC3) && !trk->vosLen) {
1954 /* copy frame to create needed atoms */
1955 trk->vosLen = size;
1956 trk->vosData = av_malloc(size);
1957 if (!trk->vosData)
1958 return AVERROR(ENOMEM);
1959 memcpy(trk->vosData, pkt->data, size);
1960 }
1961
1962 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
1963 trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster));
1964 if (!trk->cluster)
1965 return -1;
1966 }
1967
1968 trk->cluster[trk->entry].pos = url_ftell(pb) - size;
1969 trk->cluster[trk->entry].samplesInChunk = samplesInChunk;
1970 trk->cluster[trk->entry].size = size;
1971 trk->cluster[trk->entry].entries = samplesInChunk;
1972 trk->cluster[trk->entry].dts = pkt->dts;
1973 trk->trackDuration = pkt->dts - trk->cluster[0].dts + pkt->duration;
1974
1975 if (pkt->pts == AV_NOPTS_VALUE) {
1976 av_log(s, AV_LOG_WARNING, "pts has no value\n");
1977 pkt->pts = pkt->dts;
1978 }
1979 if (pkt->dts != pkt->pts)
1980 trk->flags |= MOV_TRACK_CTTS;
1981 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
1982 trk->cluster[trk->entry].flags = 0;
1983 if (pkt->flags & AV_PKT_FLAG_KEY) {
1984 if (mov->mode == MODE_MOV && enc->codec_id == CODEC_ID_MPEG2VIDEO &&
1985 trk->entry > 0) { // force sync sample for the first key frame
1986 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
1987 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
1988 trk->flags |= MOV_TRACK_STPS;
1989 } else {
1990 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
1991 }
1992 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
1993 trk->hasKeyframes++;
1994 }
1995 trk->entry++;
1996 trk->sampleCount += samplesInChunk;
1997 mov->mdat_size += size;
1998
1999 put_flush_packet(pb);
2000
2001 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
2002 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry);
2003 return 0;
2004 }
2005
2006 // QuickTime chapters involve an additional text track with the chapter names
2007 // as samples, and a tref pointing from the other tracks to the chapter one.
2008 static void mov_create_chapter_track(AVFormatContext *s, int tracknum)
2009 {
2010 MOVMuxContext *mov = s->priv_data;
2011 MOVTrack *track = &mov->tracks[tracknum];
2012 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
2013 int i, len;
2014
2015 track->mode = mov->mode;
2016 track->tag = MKTAG('t','e','x','t');
2017 track->timescale = MOV_TIMESCALE;
2018 track->enc = avcodec_alloc_context();
2019 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
2020
2021 for (i = 0; i < s->nb_chapters; i++) {
2022 AVChapter *c = s->chapters[i];
2023 AVMetadataTag *t;
2024
2025 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
2026 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
2027 pkt.duration = end - pkt.dts;
2028
2029 if ((t = av_metadata_get(c->metadata, "title", NULL, 0))) {
2030 len = strlen(t->value);
2031 pkt.size = len+2;
2032 pkt.data = av_malloc(pkt.size);
2033 AV_WB16(pkt.data, len);
2034 memcpy(pkt.data+2, t->value, len);
2035 ff_mov_write_packet(s, &pkt);
2036 av_freep(&pkt.data);
2037 }
2038 }
2039 }
2040
2041 static int mov_write_header(AVFormatContext *s)
2042 {
2043 ByteIOContext *pb = s->pb;
2044 MOVMuxContext *mov = s->priv_data;
2045 int i, hint_track = 0;
2046
2047 if (url_is_streamed(s->pb)) {
2048 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
2049 return -1;
2050 }
2051
2052 /* Default mode == MP4 */
2053 mov->mode = MODE_MP4;
2054
2055 if (s->oformat != NULL) {
2056 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
2057 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
2058 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
2059 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
2060 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
2061
2062 mov_write_ftyp_tag(pb,s);
2063 if (mov->mode == MODE_PSP) {
2064 if (s->nb_streams != 2) {
2065 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
2066 return -1;
2067 }
2068 mov_write_uuidprof_tag(pb,s);
2069 }
2070 }
2071
2072 mov->nb_streams = s->nb_streams;
2073 if (mov->mode & (MODE_MOV|MODE_IPOD) && s->nb_chapters)
2074 mov->chapter_track = mov->nb_streams++;
2075
2076 if (s->flags & AVFMT_FLAG_RTP_HINT) {
2077 /* Add hint tracks for each audio and video stream */
2078 hint_track = mov->nb_streams;
2079 for (i = 0; i < s->nb_streams; i++) {
2080 AVStream *st = s->streams[i];
2081 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2082 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
2083 mov->nb_streams++;
2084 }
2085 }
2086 }
2087
2088 mov->tracks = av_mallocz(mov->nb_streams*sizeof(*mov->tracks));
2089 if (!mov->tracks)
2090 return AVERROR(ENOMEM);
2091
2092 for(i=0; i<s->nb_streams; i++){
2093 AVStream *st= s->streams[i];
2094 MOVTrack *track= &mov->tracks[i];
2095 AVMetadataTag *lang = av_metadata_get(st->metadata, "language", NULL,0);
2096
2097 track->enc = st->codec;
2098 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
2099 if (track->language < 0)
2100 track->language = 0;
2101 track->mode = mov->mode;
2102 track->tag = mov_find_codec_tag(s, track);
2103 if (!track->tag) {
2104 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
2105 "codec not currently supported in container\n", i);
2106 goto error;
2107 }
2108 /* If hinting of this track is enabled by a later hint track,
2109 * this is updated. */
2110 track->hint_track = -1;
2111 if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
2112 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
2113 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
2114 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
2115 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
2116 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
2117 goto error;
2118 }
2119 track->height = track->tag>>24 == 'n' ? 486 : 576;
2120 }
2121 track->timescale = st->codec->time_base.den;
2122 if (track->mode == MODE_MOV && track->timescale > 100000)
2123 av_log(s, AV_LOG_WARNING,
2124 "WARNING codec timebase is very high. If duration is too long,\n"
2125 "file may not be playable by quicktime. Specify a shorter timebase\n"
2126 "or choose different container.\n");
2127 }else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
2128 track->timescale = st->codec->sample_rate;
2129 if(!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
2130 av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
2131 goto error;
2132 }else if(st->codec->codec_id == CODEC_ID_ADPCM_MS ||
2133 st->codec->codec_id == CODEC_ID_ADPCM_IMA_WAV){
2134 if (!st->codec->block_align) {
2135 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
2136 goto error;
2137 }
2138 track->sampleSize = st->codec->block_align;
2139 }else if(st->codec->frame_size > 1){ /* assume compressed audio */
2140 track->audio_vbr = 1;
2141 }else{
2142 st->codec->frame_size = 1;
2143 track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
2144 }
2145 if (track->mode != MODE_MOV) {
2146 if (track->timescale > UINT16_MAX) {
2147 av_log(s, AV_LOG_ERROR, "track %d: output format does not support "
2148 "sample rate %dhz\n", i, track->timescale);
2149 goto error;
2150 }
2151 if (track->enc->codec_id == CODEC_ID_MP3 && track->timescale < 16000) {
2152 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
2153 i, track->enc->sample_rate);
2154 goto error;
2155 }
2156 }
2157 }else if(st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE){
2158 track->timescale = st->codec->time_base.den;
2159 }
2160 if (!track->height)
2161 track->height = st->codec->height;
2162
2163 av_set_pts_info(st, 64, 1, track->timescale);
2164 }
2165
2166 mov_write_mdat_tag(pb, mov);
2167 mov->time = s->timestamp + 0x7C25B080; //1970 based -> 1904 based
2168
2169 if (mov->chapter_track)
2170 mov_create_chapter_track(s, mov->chapter_track);
2171
2172 if (s->flags & AVFMT_FLAG_RTP_HINT) {
2173 /* Initialize the hint tracks for each audio and video stream */
2174 for (i = 0; i < s->nb_streams; i++) {
2175 AVStream *st = s->streams[i];
2176 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2177 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
2178 ff_mov_init_hinting(s, hint_track, i);
2179 hint_track++;
2180 }
2181 }
2182 }
2183
2184 put_flush_packet(pb);
2185
2186 return 0;
2187 error:
2188 av_freep(&mov->tracks);
2189 return -1;
2190 }
2191
2192 static int mov_write_trailer(AVFormatContext *s)
2193 {
2194 MOVMuxContext *mov = s->priv_data;
2195 ByteIOContext *pb = s->pb;
2196 int res = 0;
2197 int i;
2198
2199 int64_t moov_pos = url_ftell(pb);
2200
2201 /* Write size of mdat tag */
2202 if (mov->mdat_size+8 <= UINT32_MAX) {
2203 url_fseek(pb, mov->mdat_pos, SEEK_SET);
2204 put_be32(pb, mov->mdat_size+8);
2205 } else {
2206 /* overwrite 'wide' placeholder atom */
2207 url_fseek(pb, mov->mdat_pos - 8, SEEK_SET);
2208 put_be32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */
2209 put_tag(pb, "mdat");
2210 put_be64(pb, mov->mdat_size+16);
2211 }
2212 url_fseek(pb, moov_pos, SEEK_SET);
2213
2214 mov_write_moov_tag(pb, mov, s);
2215
2216 if (mov->chapter_track)
2217 av_freep(&mov->tracks[mov->chapter_track].enc);
2218
2219 for (i=0; i<mov->nb_streams; i++) {
2220 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
2221 ff_mov_close_hinting(&mov->tracks[i]);
2222 av_freep(&mov->tracks[i].cluster);
2223
2224 if(mov->tracks[i].vosLen) av_free(mov->tracks[i].vosData);
2225
2226 }
2227
2228 put_flush_packet(pb);
2229
2230 av_freep(&mov->tracks);
2231
2232 return res;
2233 }
2234
2235 #if CONFIG_MOV_MUXER
2236 AVOutputFormat ff_mov_muxer = {
2237 "mov",
2238 NULL_IF_CONFIG_SMALL("MOV format"),
2239 NULL,
2240 "mov",
2241 sizeof(MOVMuxContext),
2242 CODEC_ID_AAC,
2243 CODEC_ID_MPEG4,
2244 mov_write_header,
2245 ff_mov_write_packet,
2246 mov_write_trailer,
2247 .flags = AVFMT_GLOBALHEADER,
2248 .codec_tag = (const AVCodecTag* const []){codec_movvideo_tags, codec_movaudio_tags, 0},
2249 };
2250 #endif
2251 #if CONFIG_TGP_MUXER
2252 AVOutputFormat ff_tgp_muxer = {
2253 "3gp",
2254 NULL_IF_CONFIG_SMALL("3GP format"),
2255 NULL,
2256 "3gp",
2257 sizeof(MOVMuxContext),
2258 CODEC_ID_AMR_NB,
2259 CODEC_ID_H263,
2260 mov_write_header,
2261 ff_mov_write_packet,
2262 mov_write_trailer,
2263 .flags = AVFMT_GLOBALHEADER,
2264 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
2265 };
2266 #endif
2267 #if CONFIG_MP4_MUXER
2268 AVOutputFormat ff_mp4_muxer = {
2269 "mp4",
2270 NULL_IF_CONFIG_SMALL("MP4 format"),
2271 "application/mp4",
2272 "mp4",
2273 sizeof(MOVMuxContext),
2274 CODEC_ID_AAC,
2275 CODEC_ID_MPEG4,
2276 mov_write_header,
2277 ff_mov_write_packet,
2278 mov_write_trailer,
2279 .flags = AVFMT_GLOBALHEADER,
2280 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
2281 };
2282 #endif
2283 #if CONFIG_PSP_MUXER
2284 AVOutputFormat ff_psp_muxer = {
2285 "psp",
2286 NULL_IF_CONFIG_SMALL("PSP MP4 format"),
2287 NULL,
2288 "mp4,psp",
2289 sizeof(MOVMuxContext),
2290 CODEC_ID_AAC,
2291 CODEC_ID_MPEG4,
2292 mov_write_header,
2293 ff_mov_write_packet,
2294 mov_write_trailer,
2295 .flags = AVFMT_GLOBALHEADER,
2296 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
2297 };
2298 #endif
2299 #if CONFIG_TG2_MUXER
2300 AVOutputFormat ff_tg2_muxer = {
2301 "3g2",
2302 NULL_IF_CONFIG_SMALL("3GP2 format"),
2303 NULL,
2304 "3g2",
2305 sizeof(MOVMuxContext),
2306 CODEC_ID_AMR_NB,
2307 CODEC_ID_H263,
2308 mov_write_header,
2309 ff_mov_write_packet,
2310 mov_write_trailer,
2311 .flags = AVFMT_GLOBALHEADER,
2312 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
2313 };
2314 #endif
2315 #if CONFIG_IPOD_MUXER
2316 AVOutputFormat ff_ipod_muxer = {
2317 "ipod",
2318 NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"),
2319 "application/mp4",
2320 "m4v,m4a",
2321 sizeof(MOVMuxContext),
2322 CODEC_ID_AAC,
2323 CODEC_ID_H264,
2324 mov_write_header,
2325 ff_mov_write_packet,
2326 mov_write_trailer,
2327 .flags = AVFMT_GLOBALHEADER,
2328 .codec_tag = (const AVCodecTag* const []){codec_ipod_tags, 0},
2329 };
2330 #endif