Calculate ftyp size instead of hardcoding it.
[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 *
6 * This file is part of FFmpeg.
7 *
8 * FFmpeg is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12 *
13 * FFmpeg is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with FFmpeg; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 */
22 #include "avformat.h"
23 #include "riff.h"
24 #include "avio.h"
25 #include "isom.h"
26 #include "avc.h"
27
28 #undef NDEBUG
29 #include <assert.h>
30
31 #define MOV_INDEX_CLUSTER_SIZE 16384
32 #define globalTimescale 1000
33
34 #define MODE_MP4 0x01
35 #define MODE_MOV 0x02
36 #define MODE_3GP 0x04
37 #define MODE_PSP 0x08 // example working PSP command line:
38 // ffmpeg -i testinput.avi -f psp -r 14.985 -s 320x240 -b 768 -ar 24000 -ab 32 M4V00001.MP4
39 #define MODE_3G2 0x10
40 #define MODE_IPOD 0x20
41
42 typedef struct MOVIentry {
43 unsigned int flags, size;
44 uint64_t pos;
45 unsigned int samplesInChunk;
46 char key_frame;
47 unsigned int entries;
48 int64_t cts;
49 int64_t dts;
50 } MOVIentry;
51
52 typedef struct MOVIndex {
53 int mode;
54 int entry;
55 long timescale;
56 long time;
57 int64_t trackDuration;
58 long sampleCount;
59 long sampleSize;
60 int hasKeyframes;
61 int hasBframes;
62 int language;
63 int trackID;
64 int tag; ///< stsd fourcc
65 AVCodecContext *enc;
66
67 int vosLen;
68 uint8_t *vosData;
69 MOVIentry *cluster;
70 int audio_vbr;
71 } MOVTrack;
72
73 typedef struct MOVContext {
74 int mode;
75 int64_t time;
76 int nb_streams;
77 offset_t mdat_pos;
78 uint64_t mdat_size;
79 long timescale;
80 MOVTrack tracks[MAX_STREAMS];
81 } MOVContext;
82
83 //FIXME support 64 bit variant with wide placeholders
84 static offset_t updateSize(ByteIOContext *pb, offset_t pos)
85 {
86 offset_t curpos = url_ftell(pb);
87 url_fseek(pb, pos, SEEK_SET);
88 put_be32(pb, curpos - pos); /* rewrite size */
89 url_fseek(pb, curpos, SEEK_SET);
90
91 return curpos - pos;
92 }
93
94 /* Chunk offset atom */
95 static int mov_write_stco_tag(ByteIOContext *pb, MOVTrack *track)
96 {
97 int i;
98 int mode64 = 0; // use 32 bit size variant if possible
99 offset_t pos = url_ftell(pb);
100 put_be32(pb, 0); /* size */
101 if (pos > UINT32_MAX) {
102 mode64 = 1;
103 put_tag(pb, "co64");
104 } else
105 put_tag(pb, "stco");
106 put_be32(pb, 0); /* version & flags */
107 put_be32(pb, track->entry); /* entry count */
108 for (i=0; i<track->entry; i++) {
109 if(mode64 == 1)
110 put_be64(pb, track->cluster[i].pos);
111 else
112 put_be32(pb, track->cluster[i].pos);
113 }
114 return updateSize(pb, pos);
115 }
116
117 /* Sample size atom */
118 static int mov_write_stsz_tag(ByteIOContext *pb, MOVTrack *track)
119 {
120 int equalChunks = 1;
121 int i, j, entries = 0, tst = -1, oldtst = -1;
122
123 offset_t pos = url_ftell(pb);
124 put_be32(pb, 0); /* size */
125 put_tag(pb, "stsz");
126 put_be32(pb, 0); /* version & flags */
127
128 for (i=0; i<track->entry; i++) {
129 tst = track->cluster[i].size/track->cluster[i].entries;
130 if(oldtst != -1 && tst != oldtst) {
131 equalChunks = 0;
132 }
133 oldtst = tst;
134 entries += track->cluster[i].entries;
135 }
136 if (equalChunks) {
137 int sSize = track->cluster[0].size/track->cluster[0].entries;
138 put_be32(pb, sSize); // sample size
139 put_be32(pb, entries); // sample count
140 }
141 else {
142 put_be32(pb, 0); // sample size
143 put_be32(pb, entries); // sample count
144 for (i=0; i<track->entry; i++) {
145 for (j=0; j<track->cluster[i].entries; j++) {
146 put_be32(pb, track->cluster[i].size /
147 track->cluster[i].entries);
148 }
149 }
150 }
151 return updateSize(pb, pos);
152 }
153
154 /* Sample to chunk atom */
155 static int mov_write_stsc_tag(ByteIOContext *pb, MOVTrack *track)
156 {
157 int index = 0, oldval = -1, i;
158 offset_t entryPos, curpos;
159
160 offset_t pos = url_ftell(pb);
161 put_be32(pb, 0); /* size */
162 put_tag(pb, "stsc");
163 put_be32(pb, 0); // version & flags
164 entryPos = url_ftell(pb);
165 put_be32(pb, track->entry); // entry count
166 for (i=0; i<track->entry; i++) {
167 if(oldval != track->cluster[i].samplesInChunk)
168 {
169 put_be32(pb, i+1); // first chunk
170 put_be32(pb, track->cluster[i].samplesInChunk); // samples per chunk
171 put_be32(pb, 0x1); // sample description index
172 oldval = track->cluster[i].samplesInChunk;
173 index++;
174 }
175 }
176 curpos = url_ftell(pb);
177 url_fseek(pb, entryPos, SEEK_SET);
178 put_be32(pb, index); // rewrite size
179 url_fseek(pb, curpos, SEEK_SET);
180
181 return updateSize(pb, pos);
182 }
183
184 /* Sync sample atom */
185 static int mov_write_stss_tag(ByteIOContext *pb, MOVTrack *track)
186 {
187 offset_t curpos, entryPos;
188 int i, index = 0;
189 offset_t pos = url_ftell(pb);
190 put_be32(pb, 0); // size
191 put_tag(pb, "stss");
192 put_be32(pb, 0); // version & flags
193 entryPos = url_ftell(pb);
194 put_be32(pb, track->entry); // entry count
195 for (i=0; i<track->entry; i++) {
196 if(track->cluster[i].key_frame == 1) {
197 put_be32(pb, i+1);
198 index++;
199 }
200 }
201 curpos = url_ftell(pb);
202 url_fseek(pb, entryPos, SEEK_SET);
203 put_be32(pb, index); // rewrite size
204 url_fseek(pb, curpos, SEEK_SET);
205 return updateSize(pb, pos);
206 }
207
208 static int mov_write_amr_tag(ByteIOContext *pb, MOVTrack *track)
209 {
210 put_be32(pb, 0x11); /* size */
211 if (track->mode == MODE_MOV) put_tag(pb, "samr");
212 else put_tag(pb, "damr");
213 put_tag(pb, "FFMP");
214 put_byte(pb, 0); /* decoder version */
215
216 put_be16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
217 put_byte(pb, 0x00); /* Mode change period (no restriction) */
218 put_byte(pb, 0x01); /* Frames per sample */
219 return 0x11;
220 }
221
222 /**
223 * This function writes extradata "as is".
224 * Extradata must be formated like a valid atom (with size and tag)
225 */
226 static int mov_write_extradata_tag(ByteIOContext *pb, MOVTrack *track)
227 {
228 put_buffer(pb, track->enc->extradata, track->enc->extradata_size);
229 return track->enc->extradata_size;
230 }
231
232 static int mov_write_enda_tag(ByteIOContext *pb)
233 {
234 put_be32(pb, 10);
235 put_tag(pb, "enda");
236 put_be16(pb, 1); /* little endian */
237 return 10;
238 }
239
240 static unsigned int descrLength(unsigned int len)
241 {
242 int i;
243 for(i=1; len>>(7*i); i++);
244 return len + 1 + i;
245 }
246
247 static void putDescr(ByteIOContext *pb, int tag, unsigned int size)
248 {
249 int i= descrLength(size) - size - 2;
250 put_byte(pb, tag);
251 for(; i>0; i--)
252 put_byte(pb, (size>>(7*i)) | 0x80);
253 put_byte(pb, size & 0x7F);
254 }
255
256 static int mov_write_esds_tag(ByteIOContext *pb, MOVTrack *track) // Basic
257 {
258 offset_t pos = url_ftell(pb);
259 int decoderSpecificInfoLen = track->vosLen ? descrLength(track->vosLen):0;
260
261 put_be32(pb, 0); // size
262 put_tag(pb, "esds");
263 put_be32(pb, 0); // Version
264
265 // ES descriptor
266 putDescr(pb, 0x03, 3 + descrLength(13 + decoderSpecificInfoLen) +
267 descrLength(1));
268 put_be16(pb, track->trackID);
269 put_byte(pb, 0x00); // flags (= no flags)
270
271 // DecoderConfig descriptor
272 putDescr(pb, 0x04, 13 + decoderSpecificInfoLen);
273
274 // Object type indication
275 put_byte(pb, codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
276
277 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
278 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
279 if(track->enc->codec_type == CODEC_TYPE_AUDIO)
280 put_byte(pb, 0x15); // flags (= Audiostream)
281 else
282 put_byte(pb, 0x11); // flags (= Visualstream)
283
284 put_byte(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits)
285 put_be16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB
286
287 put_be32(pb, FFMAX(track->enc->bit_rate, track->enc->rc_max_rate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
288 if(track->enc->rc_max_rate != track->enc->rc_min_rate || track->enc->rc_min_rate==0)
289 put_be32(pb, 0); // vbr
290 else
291 put_be32(pb, track->enc->rc_max_rate); // avg bitrate
292
293 if (track->vosLen) {
294 // DecoderSpecific info descriptor
295 putDescr(pb, 0x05, track->vosLen);
296 put_buffer(pb, track->vosData, track->vosLen);
297 }
298
299 // SL descriptor
300 putDescr(pb, 0x06, 1);
301 put_byte(pb, 0x02);
302 return updateSize(pb, pos);
303 }
304
305 static int mov_write_wave_tag(ByteIOContext *pb, MOVTrack *track)
306 {
307 offset_t pos = url_ftell(pb);
308
309 put_be32(pb, 0); /* size */
310 put_tag(pb, "wave");
311
312 put_be32(pb, 12); /* size */
313 put_tag(pb, "frma");
314 put_le32(pb, track->tag);
315
316 if (track->enc->codec_id == CODEC_ID_AAC) {
317 /* useless atom needed by mplayer, ipod, not needed by quicktime */
318 put_be32(pb, 12); /* size */
319 put_tag(pb, "mp4a");
320 put_be32(pb, 0);
321 mov_write_esds_tag(pb, track);
322 } else if (track->enc->codec_id == CODEC_ID_PCM_S24LE ||
323 track->enc->codec_id == CODEC_ID_PCM_S32LE) {
324 mov_write_enda_tag(pb);
325 } else if (track->enc->codec_id == CODEC_ID_AMR_NB) {
326 mov_write_amr_tag(pb, track);
327 } else if (track->enc->codec_id == CODEC_ID_ALAC) {
328 mov_write_extradata_tag(pb, track);
329 }
330
331 put_be32(pb, 8); /* size */
332 put_be32(pb, 0); /* null tag */
333
334 return updateSize(pb, pos);
335 }
336
337 static int mov_write_glbl_tag(ByteIOContext *pb, MOVTrack *track)
338 {
339 put_be32(pb, track->vosLen+8);
340 put_tag(pb, "glbl");
341 put_buffer(pb, track->vosData, track->vosLen);
342 return 8+track->vosLen;
343 }
344
345 static int mov_write_audio_tag(ByteIOContext *pb, MOVTrack *track)
346 {
347 offset_t pos = url_ftell(pb);
348 int version = track->mode == MODE_MOV &&
349 (track->audio_vbr ||
350 track->enc->codec_id == CODEC_ID_PCM_S32LE ||
351 track->enc->codec_id == CODEC_ID_PCM_S24LE);
352
353 put_be32(pb, 0); /* size */
354 put_le32(pb, track->tag); // store it byteswapped
355 put_be32(pb, 0); /* Reserved */
356 put_be16(pb, 0); /* Reserved */
357 put_be16(pb, 1); /* Data-reference index, XXX == 1 */
358
359 /* SoundDescription */
360 put_be16(pb, version); /* Version */
361 put_be16(pb, 0); /* Revision level */
362 put_be32(pb, 0); /* Reserved */
363
364 if (track->mode == MODE_MOV) {
365 put_be16(pb, track->enc->channels);
366 if (track->enc->codec_id == CODEC_ID_PCM_U8 ||
367 track->enc->codec_id == CODEC_ID_PCM_S8)
368 put_be16(pb, 8); /* bits per sample */
369 else
370 put_be16(pb, 16);
371 put_be16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
372 } else { /* reserved for mp4/3gp */
373 put_be16(pb, 2);
374 put_be16(pb, 16);
375 put_be16(pb, 0);
376 }
377
378 put_be16(pb, 0); /* packet size (= 0) */
379 put_be16(pb, track->timescale); /* Time scale */
380 put_be16(pb, 0); /* Reserved */
381
382 if(version == 1) { /* SoundDescription V1 extended info */
383 put_be32(pb, track->enc->frame_size); /* Samples per packet */
384 put_be32(pb, track->sampleSize / track->enc->channels); /* Bytes per packet */
385 put_be32(pb, track->sampleSize); /* Bytes per frame */
386 put_be32(pb, 2); /* Bytes per sample */
387 }
388
389 if(track->mode == MODE_MOV &&
390 (track->enc->codec_id == CODEC_ID_AAC ||
391 track->enc->codec_id == CODEC_ID_AMR_NB ||
392 track->enc->codec_id == CODEC_ID_PCM_S24LE ||
393 track->enc->codec_id == CODEC_ID_PCM_S32LE ||
394 track->enc->codec_id == CODEC_ID_ALAC))
395 mov_write_wave_tag(pb, track);
396 else if(track->tag == MKTAG('m','p','4','a'))
397 mov_write_esds_tag(pb, track);
398 else if(track->enc->codec_id == CODEC_ID_AMR_NB)
399 mov_write_amr_tag(pb, track);
400 else if (track->enc->codec_id == CODEC_ID_ALAC)
401 mov_write_extradata_tag(pb, track);
402 else if(track->vosLen > 0)
403 mov_write_glbl_tag(pb, track);
404
405 return updateSize(pb, pos);
406 }
407
408 static int mov_write_d263_tag(ByteIOContext *pb)
409 {
410 put_be32(pb, 0xf); /* size */
411 put_tag(pb, "d263");
412 put_tag(pb, "FFMP");
413 put_byte(pb, 0); /* decoder version */
414 /* FIXME use AVCodecContext level/profile, when encoder will set values */
415 put_byte(pb, 0xa); /* level */
416 put_byte(pb, 0); /* profile */
417 return 0xf;
418 }
419
420 /* TODO: No idea about these values */
421 static int mov_write_svq3_tag(ByteIOContext *pb)
422 {
423 put_be32(pb, 0x15);
424 put_tag(pb, "SMI ");
425 put_tag(pb, "SEQH");
426 put_be32(pb, 0x5);
427 put_be32(pb, 0xe2c0211d);
428 put_be32(pb, 0xc0000000);
429 put_byte(pb, 0);
430 return 0x15;
431 }
432
433 static int mov_write_avcc_tag(ByteIOContext *pb, MOVTrack *track)
434 {
435 offset_t pos = url_ftell(pb);
436
437 put_be32(pb, 0);
438 put_tag(pb, "avcC");
439 ff_isom_write_avcc(pb, track->vosData, track->vosLen);
440 return updateSize(pb, pos);
441 }
442
443 /* also used by all avid codecs (dv, imx, meridien) and their variants */
444 static int mov_write_avid_tag(ByteIOContext *pb, MOVTrack *track)
445 {
446 int i;
447 put_be32(pb, 24); /* size */
448 put_tag(pb, "ACLR");
449 put_tag(pb, "ACLR");
450 put_tag(pb, "0001");
451 put_be32(pb, 1); /* yuv 1 / rgb 2 ? */
452 put_be32(pb, 0); /* unknown */
453
454 put_be32(pb, 24); /* size */
455 put_tag(pb, "APRG");
456 put_tag(pb, "APRG");
457 put_tag(pb, "0001");
458 put_be32(pb, 1); /* unknown */
459 put_be32(pb, 0); /* unknown */
460
461 put_be32(pb, 120); /* size */
462 put_tag(pb, "ARES");
463 put_tag(pb, "ARES");
464 put_tag(pb, "0001");
465 put_be32(pb, AV_RB32(track->vosData + 0x28)); /* dnxhd cid, some id ? */
466 put_be32(pb, track->enc->width);
467 /* values below are based on samples created with quicktime and avid codecs */
468 if (track->vosData[5] & 2) { // interlaced
469 put_be32(pb, track->enc->height/2);
470 put_be32(pb, 2); /* unknown */
471 put_be32(pb, 0); /* unknown */
472 put_be32(pb, 4); /* unknown */
473 } else {
474 put_be32(pb, track->enc->height);
475 put_be32(pb, 1); /* unknown */
476 put_be32(pb, 0); /* unknown */
477 if (track->enc->height == 1080)
478 put_be32(pb, 5); /* unknown */
479 else
480 put_be32(pb, 6); /* unknown */
481 }
482 /* padding */
483 for (i = 0; i < 10; i++)
484 put_be64(pb, 0);
485
486 /* extra padding for stsd needed */
487 put_be32(pb, 0);
488 return 0;
489 }
490
491 static const AVCodecTag codec_3gp_tags[] = {
492 { CODEC_ID_H263, MKTAG('s','2','6','3') },
493 { CODEC_ID_H264, MKTAG('a','v','c','1') },
494 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
495 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
496 { CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
497 { CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
498 };
499
500 static const AVCodecTag mov_pix_fmt_tags[] = {
501 { PIX_FMT_YUYV422, MKTAG('y','u','v','s') },
502 { PIX_FMT_UYVY422, MKTAG('2','v','u','y') },
503 { PIX_FMT_BGR555, MKTAG('r','a','w',' ') },
504 { PIX_FMT_RGB24, MKTAG('r','a','w',' ') },
505 { PIX_FMT_BGR32_1, MKTAG('r','a','w',' ') },
506 };
507
508 static const AVCodecTag codec_ipod_tags[] = {
509 { CODEC_ID_H264, MKTAG('a','v','c','1') },
510 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
511 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
512 { CODEC_ID_ALAC, MKTAG('a','l','a','c') },
513 };
514
515 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
516 {
517 int tag = track->enc->codec_tag;
518 if (track->mode == MODE_MP4 || track->mode == MODE_PSP) {
519 if (!codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
520 return 0;
521 if (track->enc->codec_id == CODEC_ID_H264) tag = MKTAG('a','v','c','1');
522 else if (track->enc->codec_type == CODEC_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
523 else if (track->enc->codec_type == CODEC_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
524 } else if (track->mode == MODE_IPOD) {
525 tag = codec_get_tag(codec_ipod_tags, track->enc->codec_id);
526 if (!match_ext(s->filename, "m4a") && !match_ext(s->filename, "m4v"))
527 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
528 "Quicktime/Ipod might not play the file\n");
529 } else if (track->mode & MODE_3GP) {
530 tag = codec_get_tag(codec_3gp_tags, track->enc->codec_id);
531 } else if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
532 (tag == MKTAG('d','v','c','p') ||
533 track->enc->codec_id == CODEC_ID_RAWVIDEO))) {
534 if (track->enc->codec_id == CODEC_ID_DVVIDEO) {
535 if (track->enc->height == 480) /* NTSC */
536 if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
537 else tag = MKTAG('d','v','c',' ');
538 else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
539 else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
540 else tag = MKTAG('d','v','p','p');
541 } else if (track->enc->codec_id == CODEC_ID_RAWVIDEO) {
542 tag = codec_get_tag(mov_pix_fmt_tags, track->enc->pix_fmt);
543 if (!tag) // restore tag
544 tag = track->enc->codec_tag;
545 } else {
546 if (track->enc->codec_type == CODEC_TYPE_VIDEO) {
547 tag = codec_get_tag(codec_movvideo_tags, track->enc->codec_id);
548 if (!tag) { // if no mac fcc found, try with Microsoft tags
549 tag = codec_get_tag(codec_bmp_tags, track->enc->codec_id);
550 if (tag)
551 av_log(s, AV_LOG_INFO, "Warning, using MS style video codec tag, "
552 "the file may be unplayable!\n");
553 }
554 } else if (track->enc->codec_type == CODEC_TYPE_AUDIO) {
555 tag = codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
556 if (!tag) { // if no mac fcc found, try with Microsoft tags
557 int ms_tag = codec_get_tag(codec_wav_tags, track->enc->codec_id);
558 if (ms_tag) {
559 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
560 av_log(s, AV_LOG_INFO, "Warning, using MS style audio codec tag, "
561 "the file may be unplayable!\n");
562 }
563 }
564 }
565 }
566 }
567 return tag;
568 }
569
570 /** Write uuid atom.
571 * Needed to make file play in iPods running newest firmware
572 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
573 */
574 static int mov_write_uuid_tag_ipod(ByteIOContext *pb)
575 {
576 put_be32(pb, 28);
577 put_tag(pb, "uuid");
578 put_be32(pb, 0x6b6840f2);
579 put_be32(pb, 0x5f244fc5);
580 put_be32(pb, 0xba39a51b);
581 put_be32(pb, 0xcf0323f3);
582 put_be32(pb, 0x0);
583 return 28;
584 }
585
586 static int mov_write_video_tag(ByteIOContext *pb, MOVTrack *track)
587 {
588 offset_t pos = url_ftell(pb);
589 char compressor_name[32];
590
591 put_be32(pb, 0); /* size */
592 put_le32(pb, track->tag); // store it byteswapped
593 put_be32(pb, 0); /* Reserved */
594 put_be16(pb, 0); /* Reserved */
595 put_be16(pb, 1); /* Data-reference index */
596
597 put_be16(pb, 0); /* Codec stream version */
598 put_be16(pb, 0); /* Codec stream revision (=0) */
599 if (track->mode == MODE_MOV) {
600 put_tag(pb, "FFMP"); /* Vendor */
601 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
602 put_be32(pb, 0); /* Temporal Quality */
603 put_be32(pb, 0x400); /* Spatial Quality = lossless*/
604 } else {
605 put_be32(pb, 0x200); /* Temporal Quality = normal */
606 put_be32(pb, 0x200); /* Spatial Quality = normal */
607 }
608 } else {
609 put_be32(pb, 0); /* Reserved */
610 put_be32(pb, 0); /* Reserved */
611 put_be32(pb, 0); /* Reserved */
612 }
613 put_be16(pb, track->enc->width); /* Video width */
614 put_be16(pb, track->enc->height); /* Video height */
615 put_be32(pb, 0x00480000); /* Horizontal resolution 72dpi */
616 put_be32(pb, 0x00480000); /* Vertical resolution 72dpi */
617 put_be32(pb, 0); /* Data size (= 0) */
618 put_be16(pb, 1); /* Frame count (= 1) */
619
620 memset(compressor_name,0,32);
621 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
622 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
623 strncpy(compressor_name,track->enc->codec->name,31);
624 put_byte(pb, strlen(compressor_name));
625 put_buffer(pb, compressor_name, 31);
626
627 if (track->mode == MODE_MOV && track->enc->bits_per_sample)
628 put_be16(pb, track->enc->bits_per_sample);
629 else
630 put_be16(pb, 0x18); /* Reserved */
631 put_be16(pb, 0xffff); /* Reserved */
632 if(track->tag == MKTAG('m','p','4','v'))
633 mov_write_esds_tag(pb, track);
634 else if(track->enc->codec_id == CODEC_ID_H263)
635 mov_write_d263_tag(pb);
636 else if(track->enc->codec_id == CODEC_ID_SVQ3)
637 mov_write_svq3_tag(pb);
638 else if(track->enc->codec_id == CODEC_ID_DNXHD)
639 mov_write_avid_tag(pb, track);
640 else if(track->enc->codec_id == CODEC_ID_H264) {
641 mov_write_avcc_tag(pb, track);
642 if(track->mode == MODE_IPOD)
643 mov_write_uuid_tag_ipod(pb);
644 } else if(track->vosLen > 0)
645 mov_write_glbl_tag(pb, track);
646
647 return updateSize(pb, pos);
648 }
649
650 static int mov_write_stsd_tag(ByteIOContext *pb, MOVTrack *track)
651 {
652 offset_t pos = url_ftell(pb);
653 put_be32(pb, 0); /* size */
654 put_tag(pb, "stsd");
655 put_be32(pb, 0); /* version & flags */
656 put_be32(pb, 1); /* entry count */
657 if (track->enc->codec_type == CODEC_TYPE_VIDEO)
658 mov_write_video_tag(pb, track);
659 else if (track->enc->codec_type == CODEC_TYPE_AUDIO)
660 mov_write_audio_tag(pb, track);
661 return updateSize(pb, pos);
662 }
663
664 static int mov_write_ctts_tag(ByteIOContext *pb, MOVTrack *track)
665 {
666 MOV_stts_t *ctts_entries;
667 uint32_t entries = 0;
668 uint32_t atom_size;
669 int i;
670
671 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
672 ctts_entries[0].count = 1;
673 ctts_entries[0].duration = track->cluster[0].cts;
674 for (i=1; i<track->entry; i++) {
675 if (track->cluster[i].cts == ctts_entries[entries].duration) {
676 ctts_entries[entries].count++; /* compress */
677 } else {
678 entries++;
679 ctts_entries[entries].duration = track->cluster[i].cts;
680 ctts_entries[entries].count = 1;
681 }
682 }
683 entries++; /* last one */
684 atom_size = 16 + (entries * 8);
685 put_be32(pb, atom_size); /* size */
686 put_tag(pb, "ctts");
687 put_be32(pb, 0); /* version & flags */
688 put_be32(pb, entries); /* entry count */
689 for (i=0; i<entries; i++) {
690 put_be32(pb, ctts_entries[i].count);
691 put_be32(pb, ctts_entries[i].duration);
692 }
693 av_free(ctts_entries);
694 return atom_size;
695 }
696
697 /* Time to sample atom */
698 static int mov_write_stts_tag(ByteIOContext *pb, MOVTrack *track)
699 {
700 MOV_stts_t *stts_entries;
701 uint32_t entries = -1;
702 uint32_t atom_size;
703 int i;
704
705 if (track->enc->codec_type == CODEC_TYPE_AUDIO && !track->audio_vbr) {
706 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
707 stts_entries[0].count = track->sampleCount;
708 stts_entries[0].duration = 1;
709 entries = 1;
710 } else {
711 stts_entries = av_malloc(track->entry * sizeof(*stts_entries)); /* worst case */
712 for (i=0; i<track->entry; i++) {
713 int64_t duration = i + 1 == track->entry ?
714 track->trackDuration - track->cluster[i].dts + track->cluster[0].dts : /* readjusting */
715 track->cluster[i+1].dts - track->cluster[i].dts;
716 if (i && duration == stts_entries[entries].duration) {
717 stts_entries[entries].count++; /* compress */
718 } else {
719 entries++;
720 stts_entries[entries].duration = duration;
721 stts_entries[entries].count = 1;
722 }
723 }
724 entries++; /* last one */
725 }
726 atom_size = 16 + (entries * 8);
727 put_be32(pb, atom_size); /* size */
728 put_tag(pb, "stts");
729 put_be32(pb, 0); /* version & flags */
730 put_be32(pb, entries); /* entry count */
731 for (i=0; i<entries; i++) {
732 put_be32(pb, stts_entries[i].count);
733 put_be32(pb, stts_entries[i].duration);
734 }
735 av_free(stts_entries);
736 return atom_size;
737 }
738
739 static int mov_write_dref_tag(ByteIOContext *pb)
740 {
741 put_be32(pb, 28); /* size */
742 put_tag(pb, "dref");
743 put_be32(pb, 0); /* version & flags */
744 put_be32(pb, 1); /* entry count */
745
746 put_be32(pb, 0xc); /* size */
747 put_tag(pb, "url ");
748 put_be32(pb, 1); /* version & flags */
749
750 return 28;
751 }
752
753 static int mov_write_stbl_tag(ByteIOContext *pb, MOVTrack *track)
754 {
755 offset_t pos = url_ftell(pb);
756 put_be32(pb, 0); /* size */
757 put_tag(pb, "stbl");
758 mov_write_stsd_tag(pb, track);
759 mov_write_stts_tag(pb, track);
760 if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
761 track->hasKeyframes && track->hasKeyframes < track->entry)
762 mov_write_stss_tag(pb, track);
763 if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
764 track->hasBframes)
765 mov_write_ctts_tag(pb, track);
766 mov_write_stsc_tag(pb, track);
767 mov_write_stsz_tag(pb, track);
768 mov_write_stco_tag(pb, track);
769 return updateSize(pb, pos);
770 }
771
772 static int mov_write_dinf_tag(ByteIOContext *pb)
773 {
774 offset_t pos = url_ftell(pb);
775 put_be32(pb, 0); /* size */
776 put_tag(pb, "dinf");
777 mov_write_dref_tag(pb);
778 return updateSize(pb, pos);
779 }
780
781 static int mov_write_smhd_tag(ByteIOContext *pb)
782 {
783 put_be32(pb, 16); /* size */
784 put_tag(pb, "smhd");
785 put_be32(pb, 0); /* version & flags */
786 put_be16(pb, 0); /* reserved (balance, normally = 0) */
787 put_be16(pb, 0); /* reserved */
788 return 16;
789 }
790
791 static int mov_write_vmhd_tag(ByteIOContext *pb)
792 {
793 put_be32(pb, 0x14); /* size (always 0x14) */
794 put_tag(pb, "vmhd");
795 put_be32(pb, 0x01); /* version & flags */
796 put_be64(pb, 0); /* reserved (graphics mode = copy) */
797 return 0x14;
798 }
799
800 static int mov_write_hdlr_tag(ByteIOContext *pb, MOVTrack *track)
801 {
802 const char *descr, *hdlr, *hdlr_type;
803 offset_t pos = url_ftell(pb);
804
805 if (!track) { /* no media --> data handler */
806 hdlr = "dhlr";
807 hdlr_type = "url ";
808 descr = "DataHandler";
809 } else {
810 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
811 if (track->enc->codec_type == CODEC_TYPE_VIDEO) {
812 hdlr_type = "vide";
813 descr = "VideoHandler";
814 } else {
815 hdlr_type = "soun";
816 descr = "SoundHandler";
817 }
818 }
819
820 put_be32(pb, 0); /* size */
821 put_tag(pb, "hdlr");
822 put_be32(pb, 0); /* Version & flags */
823 put_buffer(pb, hdlr, 4); /* handler */
824 put_tag(pb, hdlr_type); /* handler type */
825 put_be32(pb ,0); /* reserved */
826 put_be32(pb ,0); /* reserved */
827 put_be32(pb ,0); /* reserved */
828 put_byte(pb, strlen(descr)); /* string counter */
829 put_buffer(pb, descr, strlen(descr)); /* handler description */
830 return updateSize(pb, pos);
831 }
832
833 static int mov_write_minf_tag(ByteIOContext *pb, MOVTrack *track)
834 {
835 offset_t pos = url_ftell(pb);
836 put_be32(pb, 0); /* size */
837 put_tag(pb, "minf");
838 if(track->enc->codec_type == CODEC_TYPE_VIDEO)
839 mov_write_vmhd_tag(pb);
840 else
841 mov_write_smhd_tag(pb);
842 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
843 mov_write_hdlr_tag(pb, NULL);
844 mov_write_dinf_tag(pb);
845 mov_write_stbl_tag(pb, track);
846 return updateSize(pb, pos);
847 }
848
849 static int mov_write_mdhd_tag(ByteIOContext *pb, MOVTrack *track)
850 {
851 int version = track->trackDuration < INT32_MAX ? 0 : 1;
852
853 (version == 1) ? put_be32(pb, 44) : put_be32(pb, 32); /* size */
854 put_tag(pb, "mdhd");
855 put_byte(pb, version);
856 put_be24(pb, 0); /* flags */
857 if (version == 1) {
858 put_be64(pb, track->time);
859 put_be64(pb, track->time);
860 } else {
861 put_be32(pb, track->time); /* creation time */
862 put_be32(pb, track->time); /* modification time */
863 }
864 put_be32(pb, track->timescale); /* time scale (sample rate for audio) */
865 (version == 1) ? put_be64(pb, track->trackDuration) : put_be32(pb, track->trackDuration); /* duration */
866 put_be16(pb, track->language); /* language */
867 put_be16(pb, 0); /* reserved (quality) */
868
869 if(version!=0 && track->mode == MODE_MOV){
870 av_log(NULL, AV_LOG_ERROR,
871 "FATAL error, file duration too long for timebase, this file will not be\n"
872 "playable with quicktime. Choose a different timebase or a different\n"
873 "container format\n");
874 }
875
876 return 32;
877 }
878
879 static int mov_write_mdia_tag(ByteIOContext *pb, MOVTrack *track)
880 {
881 offset_t pos = url_ftell(pb);
882 put_be32(pb, 0); /* size */
883 put_tag(pb, "mdia");
884 mov_write_mdhd_tag(pb, track);
885 mov_write_hdlr_tag(pb, track);
886 mov_write_minf_tag(pb, track);
887 return updateSize(pb, pos);
888 }
889
890 static int mov_write_tkhd_tag(ByteIOContext *pb, MOVTrack *track)
891 {
892 int64_t duration = av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP);
893 int version = duration < INT32_MAX ? 0 : 1;
894
895 (version == 1) ? put_be32(pb, 104) : put_be32(pb, 92); /* size */
896 put_tag(pb, "tkhd");
897 put_byte(pb, version);
898 put_be24(pb, 0xf); /* flags (track enabled) */
899 if (version == 1) {
900 put_be64(pb, track->time);
901 put_be64(pb, track->time);
902 } else {
903 put_be32(pb, track->time); /* creation time */
904 put_be32(pb, track->time); /* modification time */
905 }
906 put_be32(pb, track->trackID); /* track-id */
907 put_be32(pb, 0); /* reserved */
908 (version == 1) ? put_be64(pb, duration) : put_be32(pb, duration);
909
910 put_be32(pb, 0); /* reserved */
911 put_be32(pb, 0); /* reserved */
912 put_be32(pb, 0x0); /* reserved (Layer & Alternate group) */
913 /* Volume, only for audio */
914 if(track->enc->codec_type == CODEC_TYPE_AUDIO)
915 put_be16(pb, 0x0100);
916 else
917 put_be16(pb, 0);
918 put_be16(pb, 0); /* reserved */
919
920 /* Matrix structure */
921 put_be32(pb, 0x00010000); /* reserved */
922 put_be32(pb, 0x0); /* reserved */
923 put_be32(pb, 0x0); /* reserved */
924 put_be32(pb, 0x0); /* reserved */
925 put_be32(pb, 0x00010000); /* reserved */
926 put_be32(pb, 0x0); /* reserved */
927 put_be32(pb, 0x0); /* reserved */
928 put_be32(pb, 0x0); /* reserved */
929 put_be32(pb, 0x40000000); /* reserved */
930
931 /* Track width and height, for visual only */
932 if(track->enc->codec_type == CODEC_TYPE_VIDEO) {
933 double sample_aspect_ratio = av_q2d(track->enc->sample_aspect_ratio);
934 if(!sample_aspect_ratio) sample_aspect_ratio = 1;
935 put_be32(pb, sample_aspect_ratio * track->enc->width*0x10000);
936 put_be32(pb, track->enc->height*0x10000);
937 }
938 else {
939 put_be32(pb, 0);
940 put_be32(pb, 0);
941 }
942 return 0x5c;
943 }
944
945 // This box seems important for the psp playback ... without it the movie seems to hang
946 static int mov_write_edts_tag(ByteIOContext *pb, MOVTrack *track)
947 {
948 put_be32(pb, 0x24); /* size */
949 put_tag(pb, "edts");
950 put_be32(pb, 0x1c); /* size */
951 put_tag(pb, "elst");
952 put_be32(pb, 0x0);
953 put_be32(pb, 0x1);
954
955 put_be32(pb, av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP)); /* duration ... doesn't seem to effect psp */
956
957 put_be32(pb, track->cluster[0].cts); /* first pts is cts since dts is 0 */
958 put_be32(pb, 0x00010000);
959 return 0x24;
960 }
961
962 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
963 static int mov_write_uuid_tag_psp(ByteIOContext *pb, MOVTrack *mov)
964 {
965 put_be32(pb, 0x34); /* size ... reports as 28 in mp4box! */
966 put_tag(pb, "uuid");
967 put_tag(pb, "USMT");
968 put_be32(pb, 0x21d24fce);
969 put_be32(pb, 0xbb88695c);
970 put_be32(pb, 0xfac9c740);
971 put_be32(pb, 0x1c); // another size here!
972 put_tag(pb, "MTDT");
973 put_be32(pb, 0x00010012);
974 put_be32(pb, 0x0a);
975 put_be32(pb, 0x55c40000);
976 put_be32(pb, 0x1);
977 put_be32(pb, 0x0);
978 return 0x34;
979 }
980
981 static int mov_write_trak_tag(ByteIOContext *pb, MOVTrack *track)
982 {
983 offset_t pos = url_ftell(pb);
984 put_be32(pb, 0); /* size */
985 put_tag(pb, "trak");
986 mov_write_tkhd_tag(pb, track);
987 if (track->mode == MODE_PSP || track->hasBframes)
988 mov_write_edts_tag(pb, track); // PSP Movies require edts box
989 mov_write_mdia_tag(pb, track);
990 if (track->mode == MODE_PSP)
991 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
992 return updateSize(pb, pos);
993 }
994
995 #if 0
996 /* TODO: Not sorted out, but not necessary either */
997 static int mov_write_iods_tag(ByteIOContext *pb, MOVContext *mov)
998 {
999 put_be32(pb, 0x15); /* size */
1000 put_tag(pb, "iods");
1001 put_be32(pb, 0); /* version & flags */
1002 put_be16(pb, 0x1007);
1003 put_byte(pb, 0);
1004 put_be16(pb, 0x4fff);
1005 put_be16(pb, 0xfffe);
1006 put_be16(pb, 0x01ff);
1007 return 0x15;
1008 }
1009 #endif
1010
1011 static int mov_write_mvhd_tag(ByteIOContext *pb, MOVContext *mov)
1012 {
1013 int maxTrackID = 1, i;
1014 int64_t maxTrackLenTemp, maxTrackLen = 0;
1015 int version;
1016
1017 for (i=0; i<mov->nb_streams; i++) {
1018 if(mov->tracks[i].entry > 0) {
1019 maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration, globalTimescale, mov->tracks[i].timescale, AV_ROUND_UP);
1020 if(maxTrackLen < maxTrackLenTemp)
1021 maxTrackLen = maxTrackLenTemp;
1022 if(maxTrackID < mov->tracks[i].trackID)
1023 maxTrackID = mov->tracks[i].trackID;
1024 }
1025 }
1026
1027 version = maxTrackLen < UINT32_MAX ? 0 : 1;
1028 (version == 1) ? put_be32(pb, 120) : put_be32(pb, 108); /* size */
1029 put_tag(pb, "mvhd");
1030 put_byte(pb, version);
1031 put_be24(pb, 0); /* flags */
1032 if (version == 1) {
1033 put_be64(pb, mov->time);
1034 put_be64(pb, mov->time);
1035 } else {
1036 put_be32(pb, mov->time); /* creation time */
1037 put_be32(pb, mov->time); /* modification time */
1038 }
1039 put_be32(pb, mov->timescale); /* timescale */
1040 (version == 1) ? put_be64(pb, maxTrackLen) : put_be32(pb, maxTrackLen); /* duration of longest track */
1041
1042 put_be32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1043 put_be16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1044 put_be16(pb, 0); /* reserved */
1045 put_be32(pb, 0); /* reserved */
1046 put_be32(pb, 0); /* reserved */
1047
1048 /* Matrix structure */
1049 put_be32(pb, 0x00010000); /* reserved */
1050 put_be32(pb, 0x0); /* reserved */
1051 put_be32(pb, 0x0); /* reserved */
1052 put_be32(pb, 0x0); /* reserved */
1053 put_be32(pb, 0x00010000); /* reserved */
1054 put_be32(pb, 0x0); /* reserved */
1055 put_be32(pb, 0x0); /* reserved */
1056 put_be32(pb, 0x0); /* reserved */
1057 put_be32(pb, 0x40000000); /* reserved */
1058
1059 put_be32(pb, 0); /* reserved (preview time) */
1060 put_be32(pb, 0); /* reserved (preview duration) */
1061 put_be32(pb, 0); /* reserved (poster time) */
1062 put_be32(pb, 0); /* reserved (selection time) */
1063 put_be32(pb, 0); /* reserved (selection duration) */
1064 put_be32(pb, 0); /* reserved (current time) */
1065 put_be32(pb, maxTrackID+1); /* Next track id */
1066 return 0x6c;
1067 }
1068
1069 static int mov_write_itunes_hdlr_tag(ByteIOContext *pb, MOVContext *mov,
1070 AVFormatContext *s)
1071 {
1072 offset_t pos = url_ftell(pb);
1073 put_be32(pb, 0); /* size */
1074 put_tag(pb, "hdlr");
1075 put_be32(pb, 0);
1076 put_be32(pb, 0);
1077 put_tag(pb, "mdir");
1078 put_tag(pb, "appl");
1079 put_be32(pb, 0);
1080 put_be32(pb, 0);
1081 put_be16(pb, 0);
1082 return updateSize(pb, pos);
1083 }
1084
1085 /* helper function to write a data tag with the specified string as data */
1086 static int mov_write_string_data_tag(ByteIOContext *pb, const char *data, int long_style)
1087 {
1088 if(long_style){
1089 offset_t pos = url_ftell(pb);
1090 put_be32(pb, 0); /* size */
1091 put_tag(pb, "data");
1092 put_be32(pb, 1);
1093 put_be32(pb, 0);
1094 put_buffer(pb, data, strlen(data));
1095 return updateSize(pb, pos);
1096 }else{
1097 put_be16(pb, strlen(data)); /* string length */
1098 put_be16(pb, 0);
1099 put_buffer(pb, data, strlen(data));
1100 return strlen(data) + 4;
1101 }
1102 }
1103
1104 static int mov_write_string_tag(ByteIOContext *pb, const char *name, const char *value, int long_style){
1105 int size = 0;
1106 if (value && value[0]) {
1107 offset_t pos = url_ftell(pb);
1108 put_be32(pb, 0); /* size */
1109 put_tag(pb, name);
1110 mov_write_string_data_tag(pb, value, long_style);
1111 size= updateSize(pb, pos);
1112 }
1113 return size;
1114 }
1115
1116 /* iTunes year */
1117 static int mov_write_day_tag(ByteIOContext *pb, int year, int long_style)
1118 {
1119 if(year){
1120 char year_str[5];
1121 snprintf(year_str, sizeof(year_str), "%04d", year);
1122 return mov_write_string_tag(pb, "\251day", year_str, long_style);
1123 }else
1124 return 0;
1125 }
1126
1127 /* iTunes track number */
1128 static int mov_write_trkn_tag(ByteIOContext *pb, MOVContext *mov,
1129 AVFormatContext *s)
1130 {
1131 int size = 0;
1132 if (s->track) {
1133 offset_t pos = url_ftell(pb);
1134 put_be32(pb, 0); /* size */
1135 put_tag(pb, "trkn");
1136 {
1137 offset_t pos = url_ftell(pb);
1138 put_be32(pb, 0); /* size */
1139 put_tag(pb, "data");
1140 put_be32(pb, 0); // 8 bytes empty
1141 put_be32(pb, 0);
1142 put_be16(pb, 0); // empty
1143 put_be16(pb, s->track); // track number
1144 put_be16(pb, 0); // total track number
1145 put_be16(pb, 0); // empty
1146 updateSize(pb, pos);
1147 }
1148 size = updateSize(pb, pos);
1149 }
1150 return size;
1151 }
1152
1153 /* iTunes meta data list */
1154 static int mov_write_ilst_tag(ByteIOContext *pb, MOVContext *mov,
1155 AVFormatContext *s)
1156 {
1157 offset_t pos = url_ftell(pb);
1158 put_be32(pb, 0); /* size */
1159 put_tag(pb, "ilst");
1160 mov_write_string_tag(pb, "\251nam", s->title , 1);
1161 mov_write_string_tag(pb, "\251ART", s->author , 1);
1162 mov_write_string_tag(pb, "\251wrt", s->author , 1);
1163 mov_write_string_tag(pb, "\251alb", s->album , 1);
1164 mov_write_day_tag(pb, s->year ,1);
1165 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 1);
1166 mov_write_string_tag(pb, "\251cmt", s->comment , 1);
1167 mov_write_string_tag(pb, "\251gen", s->genre , 1);
1168 mov_write_trkn_tag(pb, mov, s);
1169 return updateSize(pb, pos);
1170 }
1171
1172 /* iTunes meta data tag */
1173 static int mov_write_meta_tag(ByteIOContext *pb, MOVContext *mov,
1174 AVFormatContext *s)
1175 {
1176 int size = 0;
1177
1178 // only save meta tag if required
1179 if (s->title[0] || s->author[0] || s->album[0] || s->year ||
1180 s->comment[0] || s->genre[0] || s->track) {
1181 offset_t pos = url_ftell(pb);
1182 put_be32(pb, 0); /* size */
1183 put_tag(pb, "meta");
1184 put_be32(pb, 0);
1185 mov_write_itunes_hdlr_tag(pb, mov, s);
1186 mov_write_ilst_tag(pb, mov, s);
1187 size = updateSize(pb, pos);
1188 }
1189 return size;
1190 }
1191
1192 static int utf8len(const uint8_t *b)
1193 {
1194 int len=0;
1195 int val;
1196 while(*b){
1197 GET_UTF8(val, *b++, return -1;)
1198 len++;
1199 }
1200 return len;
1201 }
1202
1203 static int ascii_to_wc(ByteIOContext *pb, const uint8_t *b)
1204 {
1205 int val;
1206 while(*b){
1207 GET_UTF8(val, *b++, return -1;)
1208 put_be16(pb, val);
1209 }
1210 put_be16(pb, 0x00);
1211 return 0;
1212 }
1213
1214 static uint16_t language_code(const char *str)
1215 {
1216 return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
1217 }
1218
1219 static int mov_write_3gp_udta_tag(ByteIOContext *pb, AVFormatContext *s,
1220 const char *tag, const char *str)
1221 {
1222 offset_t pos = url_ftell(pb);
1223 if (!utf8len(str))
1224 return 0;
1225 put_be32(pb, 0); /* size */
1226 put_tag (pb, tag); /* type */
1227 put_be32(pb, 0); /* version + flags */
1228 if (!strcmp(tag, "yrrc"))
1229 put_be16(pb, s->year);
1230 else {
1231 put_be16(pb, language_code("eng")); /* language */
1232 ascii_to_wc(pb, str);
1233 if (!strcmp(tag, "albm") && s->year)
1234 put_byte(pb, s->year);
1235 }
1236 return updateSize(pb, pos);
1237 }
1238
1239 static int mov_write_udta_tag(ByteIOContext *pb, MOVContext *mov,
1240 AVFormatContext *s)
1241 {
1242 int i;
1243 int bitexact = 0;
1244
1245 for (i = 0; i < s->nb_streams; i++)
1246 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
1247 bitexact = 1;
1248 break;
1249 }
1250
1251 if (!bitexact && (s->title[0] || s->author[0] || s->album[0] || s->year ||
1252 s->comment[0] || s->genre[0] || s->track)) {
1253 offset_t pos = url_ftell(pb);
1254
1255 put_be32(pb, 0); /* size */
1256 put_tag(pb, "udta");
1257
1258 if (mov->mode & MODE_3GP) {
1259 mov_write_3gp_udta_tag(pb, s, "titl", s->title);
1260 mov_write_3gp_udta_tag(pb, s, "auth", s->author);
1261 mov_write_3gp_udta_tag(pb, s, "gnre", s->genre);
1262 mov_write_3gp_udta_tag(pb, s, "dscp", s->comment);
1263 mov_write_3gp_udta_tag(pb, s, "albm", s->album);
1264 mov_write_3gp_udta_tag(pb, s, "yrrc", "nil");
1265 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
1266 mov_write_string_tag(pb, "\251nam", s->title , 0);
1267 mov_write_string_tag(pb, "\251aut", s->author , 0);
1268 mov_write_string_tag(pb, "\251alb", s->album , 0);
1269 mov_write_day_tag(pb, s->year, 0);
1270 mov_write_string_tag(pb, "\251enc", LIBAVFORMAT_IDENT, 0);
1271 mov_write_string_tag(pb, "\251des", s->comment , 0);
1272 mov_write_string_tag(pb, "\251gen", s->genre , 0);
1273 } else {
1274 /* iTunes meta data */
1275 mov_write_meta_tag(pb, mov, s);
1276 }
1277 return updateSize(pb, pos);
1278 }
1279
1280 return 0;
1281 }
1282
1283 static void mov_write_psp_udta_tag(ByteIOContext *pb,
1284 const char *str, const char *lang, int type)
1285 {
1286 int len = utf8len(str)+1;
1287 if(len<=0)
1288 return;
1289 put_be16(pb, len*2+10); /* size */
1290 put_be32(pb, type); /* type */
1291 put_be16(pb, language_code(lang)); /* language */
1292 put_be16(pb, 0x01); /* ? */
1293 ascii_to_wc(pb, str);
1294 }
1295
1296 static int mov_write_uuidusmt_tag(ByteIOContext *pb, AVFormatContext *s)
1297 {
1298 offset_t pos, pos2;
1299
1300 if (s->title[0]) {
1301 pos = url_ftell(pb);
1302 put_be32(pb, 0); /* size placeholder*/
1303 put_tag(pb, "uuid");
1304 put_tag(pb, "USMT");
1305 put_be32(pb, 0x21d24fce); /* 96 bit UUID */
1306 put_be32(pb, 0xbb88695c);
1307 put_be32(pb, 0xfac9c740);
1308
1309 pos2 = url_ftell(pb);
1310 put_be32(pb, 0); /* size placeholder*/
1311 put_tag(pb, "MTDT");
1312 put_be16(pb, 4);
1313
1314 // ?
1315 put_be16(pb, 0x0C); /* size */
1316 put_be32(pb, 0x0B); /* type */
1317 put_be16(pb, language_code("und")); /* language */
1318 put_be16(pb, 0x0); /* ? */
1319 put_be16(pb, 0x021C); /* data */
1320
1321 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
1322 mov_write_psp_udta_tag(pb, s->title, "eng", 0x01);
1323 // 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);
1324 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
1325
1326 updateSize(pb, pos2);
1327 return updateSize(pb, pos);
1328 }
1329
1330 return 0;
1331 }
1332
1333 static int mov_write_moov_tag(ByteIOContext *pb, MOVContext *mov,
1334 AVFormatContext *s)
1335 {
1336 int i;
1337 offset_t pos = url_ftell(pb);
1338 put_be32(pb, 0); /* size placeholder*/
1339 put_tag(pb, "moov");
1340 mov->timescale = globalTimescale;
1341
1342 for (i=0; i<mov->nb_streams; i++) {
1343 if(mov->tracks[i].entry <= 0) continue;
1344
1345 mov->tracks[i].time = mov->time;
1346 mov->tracks[i].trackID = i+1;
1347 }
1348
1349 mov_write_mvhd_tag(pb, mov);
1350 //mov_write_iods_tag(pb, mov);
1351 for (i=0; i<mov->nb_streams; i++) {
1352 if(mov->tracks[i].entry > 0) {
1353 mov_write_trak_tag(pb, &(mov->tracks[i]));
1354 }
1355 }
1356
1357 if (mov->mode == MODE_PSP)
1358 mov_write_uuidusmt_tag(pb, s);
1359 else
1360 mov_write_udta_tag(pb, mov, s);
1361
1362 return updateSize(pb, pos);
1363 }
1364
1365 static int mov_write_mdat_tag(ByteIOContext *pb, MOVContext *mov)
1366 {
1367 put_be32(pb, 8); // placeholder for extended size field (64 bit)
1368 put_tag(pb, mov->mode == MODE_MOV ? "wide" : "free");
1369
1370 mov->mdat_pos = url_ftell(pb);
1371 put_be32(pb, 0); /* size placeholder*/
1372 put_tag(pb, "mdat");
1373 return 0;
1374 }
1375
1376 /* TODO: This needs to be more general */
1377 static void mov_write_ftyp_tag(ByteIOContext *pb, AVFormatContext *s)
1378 {
1379 MOVContext *mov = s->priv_data;
1380 offset_t pos = url_ftell(pb);
1381 int i;
1382
1383 put_be32(pb, 0); /* size */
1384 put_tag(pb, "ftyp");
1385
1386 if (mov->mode == MODE_3GP)
1387 put_tag(pb, "3gp4");
1388 else if (mov->mode & MODE_3G2)
1389 put_tag(pb, "3g2a");
1390 else if (mov->mode == MODE_PSP)
1391 put_tag(pb, "MSNV");
1392 else if (mov->mode == MODE_MP4)
1393 put_tag(pb, "isom");
1394 else if (mov->mode == MODE_IPOD) {
1395 for (i = 0; i < s->nb_streams; i++)
1396 if (s->streams[i]->codec->codec_type == CODEC_TYPE_VIDEO) {
1397 put_tag(pb, "M4V ");
1398 break;
1399 }
1400 if (i == s->nb_streams)
1401 put_tag(pb, "M4A ");
1402 } else
1403 put_tag(pb, "qt ");
1404
1405 put_be32(pb, 0x200);
1406
1407 if (mov->mode == MODE_3GP)
1408 put_tag(pb, "3gp4");
1409 else if (mov->mode & MODE_3G2)
1410 put_tag(pb, "3g2a");
1411 else if (mov->mode == MODE_PSP)
1412 put_tag(pb, "MSNV");
1413 else if (mov->mode == MODE_MP4)
1414 put_tag(pb, "mp41");
1415 else if (mov->mode == MODE_IPOD)
1416 put_tag(pb, "isom");
1417 else
1418 put_tag(pb, "qt ");
1419 return updateSize(pb, pos);
1420 }
1421
1422 static void mov_write_uuidprof_tag(ByteIOContext *pb, AVFormatContext *s)
1423 {
1424 AVCodecContext *VideoCodec = s->streams[0]->codec;
1425 AVCodecContext *AudioCodec = s->streams[1]->codec;
1426 int AudioRate = AudioCodec->sample_rate;
1427 int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num);
1428 int audio_kbitrate= AudioCodec->bit_rate / 1000;
1429 int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate);
1430
1431 put_be32(pb, 0x94); /* size */
1432 put_tag(pb, "uuid");
1433 put_tag(pb, "PROF");
1434
1435 put_be32(pb, 0x21d24fce); /* 96 bit UUID */
1436 put_be32(pb, 0xbb88695c);
1437 put_be32(pb, 0xfac9c740);
1438
1439 put_be32(pb, 0x0); /* ? */
1440 put_be32(pb, 0x3); /* 3 sections ? */
1441
1442 put_be32(pb, 0x14); /* size */
1443 put_tag(pb, "FPRF");
1444 put_be32(pb, 0x0); /* ? */
1445 put_be32(pb, 0x0); /* ? */
1446 put_be32(pb, 0x0); /* ? */
1447
1448 put_be32(pb, 0x2c); /* size */
1449 put_tag(pb, "APRF"); /* audio */
1450 put_be32(pb, 0x0);
1451 put_be32(pb, 0x2); /* TrackID */
1452 put_tag(pb, "mp4a");
1453 put_be32(pb, 0x20f);
1454 put_be32(pb, 0x0);
1455 put_be32(pb, audio_kbitrate);
1456 put_be32(pb, audio_kbitrate);
1457 put_be32(pb, AudioRate);
1458 put_be32(pb, AudioCodec->channels);
1459
1460 put_be32(pb, 0x34); /* size */
1461 put_tag(pb, "VPRF"); /* video */
1462 put_be32(pb, 0x0);
1463 put_be32(pb, 0x1); /* TrackID */
1464 if (VideoCodec->codec_id == CODEC_ID_H264) {
1465 put_tag(pb, "avc1");
1466 put_be16(pb, 0x014D);
1467 put_be16(pb, 0x0015);
1468 } else {
1469 put_tag(pb, "mp4v");
1470 put_be16(pb, 0x0000);
1471 put_be16(pb, 0x0103);
1472 }
1473 put_be32(pb, 0x0);
1474 put_be32(pb, video_kbitrate);
1475 put_be32(pb, video_kbitrate);
1476 put_be32(pb, FrameRate);
1477 put_be32(pb, FrameRate);
1478 put_be16(pb, VideoCodec->width);
1479 put_be16(pb, VideoCodec->height);
1480 put_be32(pb, 0x010001); /* ? */
1481 }
1482
1483 static int mov_write_header(AVFormatContext *s)
1484 {
1485 ByteIOContext *pb = s->pb;
1486 MOVContext *mov = s->priv_data;
1487 int i;
1488
1489 if (url_is_streamed(s->pb)) {
1490 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
1491 return -1;
1492 }
1493
1494 /* Default mode == MP4 */
1495 mov->mode = MODE_MP4;
1496
1497 if (s->oformat != NULL) {
1498 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
1499 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
1500 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
1501 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
1502 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
1503
1504 mov_write_ftyp_tag(pb,s);
1505 if (mov->mode == MODE_PSP) {
1506 if (s->nb_streams != 2) {
1507 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
1508 return -1;
1509 }
1510 mov_write_uuidprof_tag(pb,s);
1511 }
1512 }
1513
1514 for(i=0; i<s->nb_streams; i++){
1515 AVStream *st= s->streams[i];
1516 MOVTrack *track= &mov->tracks[i];
1517
1518 track->enc = st->codec;
1519 track->language = ff_mov_iso639_to_lang(st->language, mov->mode != MODE_MOV);
1520 track->mode = mov->mode;
1521 track->tag = mov_find_codec_tag(s, track);
1522 if (!track->tag) {
1523 av_log(s, AV_LOG_ERROR, "track %d: could not find tag for codec\n", i);
1524 return -1;
1525 }
1526 if(st->codec->codec_type == CODEC_TYPE_VIDEO){
1527 track->timescale = st->codec->time_base.den;
1528 av_set_pts_info(st, 64, 1, st->codec->time_base.den);
1529 if (track->mode == MODE_MOV && track->timescale > 100000)
1530 av_log(s, AV_LOG_WARNING,
1531 "WARNING codec timebase is very high. If duration is too long,\n"
1532 "file may not be playable by quicktime. Specify a shorter timebase\n"
1533 "or choose different container.\n");
1534 }else if(st->codec->codec_type == CODEC_TYPE_AUDIO){
1535 track->timescale = st->codec->sample_rate;
1536 av_set_pts_info(st, 64, 1, st->codec->sample_rate);
1537 if(!st->codec->frame_size){
1538 av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
1539 return -1;
1540 }else if(st->codec->frame_size > 1){ /* assume compressed audio */
1541 track->audio_vbr = 1;
1542 }else{
1543 track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
1544 }
1545 }
1546 }
1547
1548 mov_write_mdat_tag(pb, mov);
1549 mov->time = s->timestamp + 0x7C25B080; //1970 based -> 1904 based
1550 mov->nb_streams = s->nb_streams;
1551
1552 put_flush_packet(pb);
1553
1554 return 0;
1555 }
1556
1557 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
1558 {
1559 MOVContext *mov = s->priv_data;
1560 ByteIOContext *pb = s->pb;
1561 MOVTrack *trk = &mov->tracks[pkt->stream_index];
1562 AVCodecContext *enc = trk->enc;
1563 unsigned int samplesInChunk = 0;
1564 int size= pkt->size;
1565
1566 if (url_is_streamed(s->pb)) return 0; /* Can't handle that */
1567 if (!size) return 0; /* Discard 0 sized packets */
1568
1569 if (enc->codec_id == CODEC_ID_AMR_NB) {
1570 /* We must find out how many AMR blocks there are in one packet */
1571 static uint16_t packed_size[16] =
1572 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 0};
1573 int len = 0;
1574
1575 while (len < size && samplesInChunk < 100) {
1576 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
1577 samplesInChunk++;
1578 }
1579 if(samplesInChunk > 1){
1580 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
1581 return -1;
1582 }
1583 } else if (trk->sampleSize)
1584 samplesInChunk = size/trk->sampleSize;
1585 else
1586 samplesInChunk = 1;
1587
1588 /* copy extradata if it exists */
1589 if (trk->vosLen == 0 && enc->extradata_size > 0) {
1590 trk->vosLen = enc->extradata_size;
1591 trk->vosData = av_malloc(trk->vosLen);
1592 memcpy(trk->vosData, enc->extradata, trk->vosLen);
1593 }
1594
1595 if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) {
1596 /* from x264 or from bytestream h264 */
1597 /* nal reformating needed */
1598 int ret = ff_avc_parse_nal_units(pkt->data, &pkt->data, &pkt->size);
1599 if (ret < 0)
1600 return ret;
1601 assert(pkt->size);
1602 size = pkt->size;
1603 } else if (enc->codec_id == CODEC_ID_DNXHD && !trk->vosLen) {
1604 /* copy frame header to create needed atoms */
1605 if (size < 640)
1606 return -1;
1607 trk->vosLen = 640;
1608 trk->vosData = av_malloc(trk->vosLen);
1609 memcpy(trk->vosData, pkt->data, 640);
1610 }
1611
1612 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
1613 trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster));
1614 if (!trk->cluster)
1615 return -1;
1616 }
1617
1618 trk->cluster[trk->entry].pos = url_ftell(pb);
1619 trk->cluster[trk->entry].samplesInChunk = samplesInChunk;
1620 trk->cluster[trk->entry].size = size;
1621 trk->cluster[trk->entry].entries = samplesInChunk;
1622 trk->cluster[trk->entry].dts = pkt->dts;
1623 trk->trackDuration = pkt->dts - trk->cluster[0].dts + pkt->duration;
1624
1625 if (pkt->pts == AV_NOPTS_VALUE) {
1626 av_log(s, AV_LOG_WARNING, "pts has no value\n");
1627 pkt->pts = pkt->dts;
1628 }
1629 if (pkt->dts != pkt->pts)
1630 trk->hasBframes = 1;
1631 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
1632 trk->cluster[trk->entry].key_frame = !!(pkt->flags & PKT_FLAG_KEY);
1633 if(trk->cluster[trk->entry].key_frame)
1634 trk->hasKeyframes++;
1635 trk->entry++;
1636 trk->sampleCount += samplesInChunk;
1637 mov->mdat_size += size;
1638
1639 put_buffer(pb, pkt->data, size);
1640
1641 put_flush_packet(pb);
1642 return 0;
1643 }
1644
1645 static int mov_write_trailer(AVFormatContext *s)
1646 {
1647 MOVContext *mov = s->priv_data;
1648 ByteIOContext *pb = s->pb;
1649 int res = 0;
1650 int i;
1651
1652 offset_t moov_pos = url_ftell(pb);
1653
1654 /* Write size of mdat tag */
1655 if (mov->mdat_size+8 <= UINT32_MAX) {
1656 url_fseek(pb, mov->mdat_pos, SEEK_SET);
1657 put_be32(pb, mov->mdat_size+8);
1658 } else {
1659 /* overwrite 'wide' placeholder atom */
1660 url_fseek(pb, mov->mdat_pos - 8, SEEK_SET);
1661 put_be32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */
1662 put_tag(pb, "mdat");
1663 put_be64(pb, mov->mdat_size+16);
1664 }
1665 url_fseek(pb, moov_pos, SEEK_SET);
1666
1667 mov_write_moov_tag(pb, mov, s);
1668
1669 for (i=0; i<mov->nb_streams; i++) {
1670 av_freep(&mov->tracks[i].cluster);
1671
1672 if(mov->tracks[i].vosLen) av_free(mov->tracks[i].vosData);
1673
1674 }
1675
1676 put_flush_packet(pb);
1677
1678 return res;
1679 }
1680
1681 #ifdef CONFIG_MOV_MUXER
1682 AVOutputFormat mov_muxer = {
1683 "mov",
1684 NULL_IF_CONFIG_SMALL("MOV format"),
1685 NULL,
1686 "mov",
1687 sizeof(MOVContext),
1688 CODEC_ID_AAC,
1689 CODEC_ID_MPEG4,
1690 mov_write_header,
1691 mov_write_packet,
1692 mov_write_trailer,
1693 .flags = AVFMT_GLOBALHEADER,
1694 .codec_tag = (const AVCodecTag*[]){codec_movvideo_tags, codec_movaudio_tags, 0},
1695 };
1696 #endif
1697 #ifdef CONFIG_TGP_MUXER
1698 AVOutputFormat tgp_muxer = {
1699 "3gp",
1700 NULL_IF_CONFIG_SMALL("3GP format"),
1701 NULL,
1702 "3gp",
1703 sizeof(MOVContext),
1704 CODEC_ID_AMR_NB,
1705 CODEC_ID_H263,
1706 mov_write_header,
1707 mov_write_packet,
1708 mov_write_trailer,
1709 .flags = AVFMT_GLOBALHEADER,
1710 .codec_tag = (const AVCodecTag*[]){codec_3gp_tags, 0},
1711 };
1712 #endif
1713 #ifdef CONFIG_MP4_MUXER
1714 AVOutputFormat mp4_muxer = {
1715 "mp4",
1716 NULL_IF_CONFIG_SMALL("MP4 format"),
1717 "application/mp4",
1718 "mp4",
1719 sizeof(MOVContext),
1720 CODEC_ID_AAC,
1721 CODEC_ID_MPEG4,
1722 mov_write_header,
1723 mov_write_packet,
1724 mov_write_trailer,
1725 .flags = AVFMT_GLOBALHEADER,
1726 .codec_tag = (const AVCodecTag*[]){ff_mp4_obj_type, 0},
1727 };
1728 #endif
1729 #ifdef CONFIG_PSP_MUXER
1730 AVOutputFormat psp_muxer = {
1731 "psp",
1732 NULL_IF_CONFIG_SMALL("PSP MP4 format"),
1733 NULL,
1734 "mp4,psp",
1735 sizeof(MOVContext),
1736 CODEC_ID_AAC,
1737 CODEC_ID_MPEG4,
1738 mov_write_header,
1739 mov_write_packet,
1740 mov_write_trailer,
1741 .flags = AVFMT_GLOBALHEADER,
1742 .codec_tag = (const AVCodecTag*[]){ff_mp4_obj_type, 0},
1743 };
1744 #endif
1745 #ifdef CONFIG_TG2_MUXER
1746 AVOutputFormat tg2_muxer = {
1747 "3g2",
1748 NULL_IF_CONFIG_SMALL("3GP2 format"),
1749 NULL,
1750 "3g2",
1751 sizeof(MOVContext),
1752 CODEC_ID_AMR_NB,
1753 CODEC_ID_H263,
1754 mov_write_header,
1755 mov_write_packet,
1756 mov_write_trailer,
1757 .flags = AVFMT_GLOBALHEADER,
1758 .codec_tag = (const AVCodecTag*[]){codec_3gp_tags, 0},
1759 };
1760 #endif
1761 #ifdef CONFIG_IPOD_MUXER
1762 AVOutputFormat ipod_muxer = {
1763 "ipod",
1764 NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"),
1765 "application/mp4",
1766 "m4v,m4a",
1767 sizeof(MOVContext),
1768 CODEC_ID_AAC,
1769 CODEC_ID_H264,
1770 mov_write_header,
1771 mov_write_packet,
1772 mov_write_trailer,
1773 .flags = AVFMT_GLOBALHEADER,
1774 .codec_tag = (const AVCodecTag*[]){ff_mp4_obj_type, 0},
1775 };
1776 #endif