Add FFMPEG_ prefix to all multiple inclusion guards.
[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
27 #undef NDEBUG
28 #include <assert.h>
29
30 #define MOV_INDEX_CLUSTER_SIZE 16384
31 #define globalTimescale 1000
32
33 #define MODE_MP4 0
34 #define MODE_MOV 1
35 #define MODE_3GP 2
36 #define MODE_PSP 3 // example working PSP command line:
37 // ffmpeg -i testinput.avi -f psp -r 14.985 -s 320x240 -b 768 -ar 24000 -ab 32 M4V00001.MP4
38 #define MODE_3G2 4
39
40 typedef struct MOVIentry {
41 unsigned int flags, size;
42 uint64_t pos;
43 unsigned int samplesInChunk;
44 char key_frame;
45 unsigned int entries;
46 int64_t cts;
47 int64_t dts;
48 } MOVIentry;
49
50 typedef struct MOVIndex {
51 int mode;
52 int entry;
53 long timescale;
54 long time;
55 int64_t trackDuration;
56 long sampleCount;
57 long sampleSize;
58 int hasKeyframes;
59 int hasBframes;
60 int language;
61 int trackID;
62 int tag;
63 AVCodecContext *enc;
64
65 int vosLen;
66 uint8_t *vosData;
67 MOVIentry *cluster;
68 int audio_vbr;
69 } MOVTrack;
70
71 typedef struct MOVContext {
72 int mode;
73 int64_t time;
74 int nb_streams;
75 offset_t mdat_pos;
76 uint64_t mdat_size;
77 long timescale;
78 MOVTrack tracks[MAX_STREAMS];
79 } MOVContext;
80
81 //FIXME support 64 bit variant with wide placeholders
82 static offset_t updateSize (ByteIOContext *pb, offset_t pos)
83 {
84 offset_t curpos = url_ftell(pb);
85 url_fseek(pb, pos, SEEK_SET);
86 put_be32(pb, curpos - pos); /* rewrite size */
87 url_fseek(pb, curpos, SEEK_SET);
88
89 return curpos - pos;
90 }
91
92 /* Chunk offset atom */
93 static int mov_write_stco_tag(ByteIOContext *pb, MOVTrack* track)
94 {
95 int i;
96 int mode64 = 0; // use 32 bit size variant if possible
97 offset_t pos = url_ftell(pb);
98 put_be32(pb, 0); /* size */
99 if (pos > UINT32_MAX) {
100 mode64 = 1;
101 put_tag(pb, "co64");
102 } else
103 put_tag(pb, "stco");
104 put_be32(pb, 0); /* version & flags */
105 put_be32(pb, track->entry); /* entry count */
106 for (i=0; i<track->entry; i++) {
107 if(mode64 == 1)
108 put_be64(pb, track->cluster[i].pos);
109 else
110 put_be32(pb, track->cluster[i].pos);
111 }
112 return updateSize (pb, pos);
113 }
114
115 /* Sample size atom */
116 static int mov_write_stsz_tag(ByteIOContext *pb, MOVTrack* track)
117 {
118 int equalChunks = 1;
119 int i, j, entries = 0, tst = -1, oldtst = -1;
120
121 offset_t pos = url_ftell(pb);
122 put_be32(pb, 0); /* size */
123 put_tag(pb, "stsz");
124 put_be32(pb, 0); /* version & flags */
125
126 for (i=0; i<track->entry; i++) {
127 tst = track->cluster[i].size/track->cluster[i].entries;
128 if(oldtst != -1 && tst != oldtst) {
129 equalChunks = 0;
130 }
131 oldtst = tst;
132 entries += track->cluster[i].entries;
133 }
134 if (equalChunks) {
135 int sSize = track->cluster[0].size/track->cluster[0].entries;
136 put_be32(pb, sSize); // sample size
137 put_be32(pb, entries); // sample count
138 }
139 else {
140 put_be32(pb, 0); // sample size
141 put_be32(pb, entries); // sample count
142 for (i=0; i<track->entry; i++) {
143 for ( j=0; j<track->cluster[i].entries; j++) {
144 put_be32(pb, track->cluster[i].size /
145 track->cluster[i].entries);
146 }
147 }
148 }
149 return updateSize (pb, pos);
150 }
151
152 /* Sample to chunk atom */
153 static int mov_write_stsc_tag(ByteIOContext *pb, MOVTrack* track)
154 {
155 int index = 0, oldval = -1, i;
156 offset_t entryPos, curpos;
157
158 offset_t pos = url_ftell(pb);
159 put_be32(pb, 0); /* size */
160 put_tag(pb, "stsc");
161 put_be32(pb, 0); // version & flags
162 entryPos = url_ftell(pb);
163 put_be32(pb, track->entry); // entry count
164 for (i=0; i<track->entry; i++) {
165 if(oldval != track->cluster[i].samplesInChunk)
166 {
167 put_be32(pb, i+1); // first chunk
168 put_be32(pb, track->cluster[i].samplesInChunk); // samples per chunk
169 put_be32(pb, 0x1); // sample description index
170 oldval = track->cluster[i].samplesInChunk;
171 index++;
172 }
173 }
174 curpos = url_ftell(pb);
175 url_fseek(pb, entryPos, SEEK_SET);
176 put_be32(pb, index); // rewrite size
177 url_fseek(pb, curpos, SEEK_SET);
178
179 return updateSize (pb, pos);
180 }
181
182 /* Sync sample atom */
183 static int mov_write_stss_tag(ByteIOContext *pb, MOVTrack* track)
184 {
185 offset_t curpos, entryPos;
186 int i, index = 0;
187 offset_t pos = url_ftell(pb);
188 put_be32(pb, 0); // size
189 put_tag(pb, "stss");
190 put_be32(pb, 0); // version & flags
191 entryPos = url_ftell(pb);
192 put_be32(pb, track->entry); // entry count
193 for (i=0; i<track->entry; i++) {
194 if(track->cluster[i].key_frame == 1) {
195 put_be32(pb, i+1);
196 index++;
197 }
198 }
199 curpos = url_ftell(pb);
200 url_fseek(pb, entryPos, SEEK_SET);
201 put_be32(pb, index); // rewrite size
202 url_fseek(pb, curpos, SEEK_SET);
203 return updateSize (pb, pos);
204 }
205
206 static int mov_write_amr_tag(ByteIOContext *pb, MOVTrack *track)
207 {
208 put_be32(pb, 0x11); /* size */
209 if (track->mode == MODE_MOV) put_tag(pb, "samr");
210 else put_tag(pb, "damr");
211 put_tag(pb, "FFMP");
212 put_byte(pb, 0); /* decoder version */
213
214 put_be16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
215 put_byte(pb, 0x00); /* Mode change period (no restriction) */
216 put_byte(pb, 0x01); /* Frames per sample */
217 return 0x11;
218 }
219
220 static int mov_write_enda_tag(ByteIOContext *pb)
221 {
222 put_be32(pb, 10);
223 put_tag(pb, "enda");
224 put_be16(pb, 1); /* little endian */
225 return 10;
226 }
227
228 static unsigned int descrLength(unsigned int len)
229 {
230 int i;
231 for(i=1; len>>(7*i); i++);
232 return len + 1 + i;
233 }
234
235 static void putDescr(ByteIOContext *pb, int tag, unsigned int size)
236 {
237 int i= descrLength(size) - size - 2;
238 put_byte(pb, tag);
239 for(; i>0; i--)
240 put_byte(pb, (size>>(7*i)) | 0x80);
241 put_byte(pb, size & 0x7F);
242 }
243
244 static int mov_write_esds_tag(ByteIOContext *pb, MOVTrack* track) // Basic
245 {
246 offset_t pos = url_ftell(pb);
247 int decoderSpecificInfoLen = track->vosLen ? descrLength(track->vosLen):0;
248
249 put_be32(pb, 0); // size
250 put_tag(pb, "esds");
251 put_be32(pb, 0); // Version
252
253 // ES descriptor
254 putDescr(pb, 0x03, 3 + descrLength(13 + decoderSpecificInfoLen) +
255 descrLength(1));
256 put_be16(pb, track->trackID);
257 put_byte(pb, 0x00); // flags (= no flags)
258
259 // DecoderConfig descriptor
260 putDescr(pb, 0x04, 13 + decoderSpecificInfoLen);
261
262 // Object type indication
263 put_byte(pb, codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
264
265 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
266 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
267 if(track->enc->codec_type == CODEC_TYPE_AUDIO)
268 put_byte(pb, 0x15); // flags (= Audiostream)
269 else
270 put_byte(pb, 0x11); // flags (= Visualstream)
271
272 put_byte(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits)
273 put_be16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB
274
275 put_be32(pb, FFMAX(track->enc->bit_rate, track->enc->rc_max_rate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
276 if(track->enc->rc_max_rate != track->enc->rc_min_rate || track->enc->rc_min_rate==0)
277 put_be32(pb, 0); // vbr
278 else
279 put_be32(pb, track->enc->rc_max_rate); // avg bitrate
280
281 if (track->vosLen)
282 {
283 // DecoderSpecific info descriptor
284 putDescr(pb, 0x05, track->vosLen);
285 put_buffer(pb, track->vosData, track->vosLen);
286 }
287
288
289 // SL descriptor
290 putDescr(pb, 0x06, 1);
291 put_byte(pb, 0x02);
292 return updateSize (pb, pos);
293 }
294
295 static int mov_write_wave_tag(ByteIOContext *pb, MOVTrack* track)
296 {
297 offset_t pos = url_ftell(pb);
298
299 put_be32(pb, 0); /* size */
300 put_tag(pb, "wave");
301
302 put_be32(pb, 12); /* size */
303 put_tag(pb, "frma");
304 put_le32(pb, track->tag);
305
306 if (track->enc->codec_id == CODEC_ID_AAC) {
307 /* useless atom needed by mplayer, ipod, not needed by quicktime */
308 put_be32(pb, 12); /* size */
309 put_tag(pb, "mp4a");
310 put_be32(pb, 0);
311 mov_write_esds_tag(pb, track);
312 } else if (track->enc->codec_id == CODEC_ID_PCM_S24LE ||
313 track->enc->codec_id == CODEC_ID_PCM_S32LE) {
314 mov_write_enda_tag(pb);
315 } else if (track->enc->codec_id == CODEC_ID_AMR_NB) {
316 mov_write_amr_tag(pb, track);
317 }
318
319 put_be32(pb, 8); /* size */
320 put_be32(pb, 0); /* null tag */
321
322 return updateSize (pb, pos);
323 }
324
325 static int mov_write_audio_tag(ByteIOContext *pb, MOVTrack* track)
326 {
327 offset_t pos = url_ftell(pb);
328 int version = track->mode == MODE_MOV &&
329 (track->audio_vbr ||
330 track->enc->codec_id == CODEC_ID_PCM_S32LE ||
331 track->enc->codec_id == CODEC_ID_PCM_S24LE);
332
333 put_be32(pb, 0); /* size */
334 put_le32(pb, track->tag); // store it byteswapped
335 put_be32(pb, 0); /* Reserved */
336 put_be16(pb, 0); /* Reserved */
337 put_be16(pb, 1); /* Data-reference index, XXX == 1 */
338
339 /* SoundDescription */
340 put_be16(pb, version); /* Version */
341 put_be16(pb, 0); /* Revision level */
342 put_be32(pb, 0); /* Reserved */
343
344 if (track->mode == MODE_MOV) {
345 put_be16(pb, track->enc->channels);
346 if (track->enc->codec_id == CODEC_ID_PCM_U8 ||
347 track->enc->codec_id == CODEC_ID_PCM_S8)
348 put_be16(pb, 8); /* bits per sample */
349 else
350 put_be16(pb, 16);
351 put_be16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
352 } else { /* reserved for mp4/3gp */
353 put_be16(pb, 2);
354 put_be16(pb, 16);
355 put_be16(pb, 0);
356 }
357
358 put_be16(pb, 0); /* packet size (= 0) */
359 put_be16(pb, track->timescale); /* Time scale */
360 put_be16(pb, 0); /* Reserved */
361
362 if(version == 1) { /* SoundDescription V1 extended info */
363 put_be32(pb, track->enc->frame_size); /* Samples per packet */
364 put_be32(pb, track->sampleSize / track->enc->channels); /* Bytes per packet */
365 put_be32(pb, track->sampleSize); /* Bytes per frame */
366 put_be32(pb, 2); /* Bytes per sample */
367 }
368
369 if(track->mode == MODE_MOV &&
370 (track->enc->codec_id == CODEC_ID_AAC ||
371 track->enc->codec_id == CODEC_ID_AMR_NB ||
372 track->enc->codec_id == CODEC_ID_PCM_S24LE ||
373 track->enc->codec_id == CODEC_ID_PCM_S32LE))
374 mov_write_wave_tag(pb, track);
375 else if(track->enc->codec_id == CODEC_ID_AAC)
376 mov_write_esds_tag(pb, track);
377 else if(track->enc->codec_id == CODEC_ID_AMR_NB)
378 mov_write_amr_tag(pb, track);
379
380 return updateSize (pb, pos);
381 }
382
383 static int mov_write_d263_tag(ByteIOContext *pb)
384 {
385 put_be32(pb, 0xf); /* size */
386 put_tag(pb, "d263");
387 put_tag(pb, "FFMP");
388 put_byte(pb, 0); /* decoder version */
389 /* FIXME use AVCodecContext level/profile, when encoder will set values */
390 put_byte(pb, 0xa); /* level */
391 put_byte(pb, 0); /* profile */
392 return 0xf;
393 }
394
395 /* TODO: No idea about these values */
396 static int mov_write_svq3_tag(ByteIOContext *pb)
397 {
398 put_be32(pb, 0x15);
399 put_tag(pb, "SMI ");
400 put_tag(pb, "SEQH");
401 put_be32(pb, 0x5);
402 put_be32(pb, 0xe2c0211d);
403 put_be32(pb, 0xc0000000);
404 put_byte(pb, 0);
405 return 0x15;
406 }
407
408 static uint8_t *avc_find_startcode( uint8_t *p, uint8_t *end )
409 {
410 uint8_t *a = p + 4 - ((long)p & 3);
411
412 for( end -= 3; p < a && p < end; p++ ) {
413 if( p[0] == 0 && p[1] == 0 && p[2] == 1 )
414 return p;
415 }
416
417 for( end -= 3; p < end; p += 4 ) {
418 uint32_t x = *(uint32_t*)p;
419 // if( (x - 0x01000100) & (~x) & 0x80008000 ) // little endian
420 // if( (x - 0x00010001) & (~x) & 0x00800080 ) // big endian
421 if( (x - 0x01010101) & (~x) & 0x80808080 ) { // generic
422 if( p[1] == 0 ) {
423 if( p[0] == 0 && p[2] == 1 )
424 return p-1;
425 if( p[2] == 0 && p[3] == 1 )
426 return p;
427 }
428 if( p[3] == 0 ) {
429 if( p[2] == 0 && p[4] == 1 )
430 return p+1;
431 if( p[4] == 0 && p[5] == 1 )
432 return p+2;
433 }
434 }
435 }
436
437 for( end += 3; p < end; p++ ) {
438 if( p[0] == 0 && p[1] == 0 && p[2] == 1 )
439 return p;
440 }
441
442 return end + 3;
443 }
444
445 static void avc_parse_nal_units(uint8_t **buf, int *size)
446 {
447 ByteIOContext pb;
448 uint8_t *p = *buf;
449 uint8_t *end = p + *size;
450 uint8_t *nal_start, *nal_end;
451
452 url_open_dyn_buf(&pb);
453 nal_start = avc_find_startcode(p, end);
454 while (nal_start < end) {
455 while(!*(nal_start++));
456 nal_end = avc_find_startcode(nal_start, end);
457 put_be32(&pb, nal_end - nal_start);
458 put_buffer(&pb, nal_start, nal_end - nal_start);
459 nal_start = nal_end;
460 }
461 av_freep(buf);
462 *size = url_close_dyn_buf(&pb, buf);
463 }
464
465 static int mov_write_avcc_tag(ByteIOContext *pb, MOVTrack *track)
466 {
467 offset_t pos = url_ftell(pb);
468
469 put_be32(pb, 0);
470 put_tag(pb, "avcC");
471 if (track->vosLen > 6) {
472 /* check for h264 start code */
473 if (AV_RB32(track->vosData) == 0x00000001) {
474 uint8_t *buf, *end;
475 uint32_t sps_size=0, pps_size=0;
476 uint8_t *sps=0, *pps=0;
477
478 avc_parse_nal_units(&track->vosData, &track->vosLen);
479 buf = track->vosData;
480 end = track->vosData + track->vosLen;
481
482 /* look for sps and pps */
483 while (buf < end) {
484 unsigned int size;
485 uint8_t nal_type;
486 size = AV_RB32(buf);
487 nal_type = buf[4] & 0x1f;
488 if (nal_type == 7) { /* SPS */
489 sps = buf + 4;
490 sps_size = size;
491 } else if (nal_type == 8) { /* PPS */
492 pps = buf + 4;
493 pps_size = size;
494 }
495 buf += size + 4;
496 }
497 assert(sps);
498 assert(pps);
499
500 put_byte(pb, 1); /* version */
501 put_byte(pb, sps[1]); /* profile */
502 put_byte(pb, sps[2]); /* profile compat */
503 put_byte(pb, sps[3]); /* level */
504 put_byte(pb, 0xff); /* 6 bits reserved (111111) + 2 bits nal size length - 1 (11) */
505 put_byte(pb, 0xe1); /* 3 bits reserved (111) + 5 bits number of sps (00001) */
506
507 put_be16(pb, sps_size);
508 put_buffer(pb, sps, sps_size);
509 put_byte(pb, 1); /* number of pps */
510 put_be16(pb, pps_size);
511 put_buffer(pb, pps, pps_size);
512 } else {
513 put_buffer(pb, track->vosData, track->vosLen);
514 }
515 }
516 return updateSize(pb, pos);
517 }
518
519 /* also used by all avid codecs (dv, imx, meridien) and their variants */
520 static int mov_write_avid_tag(ByteIOContext *pb, MOVTrack *track)
521 {
522 int i;
523 put_be32(pb, 24); /* size */
524 put_tag(pb, "ACLR");
525 put_tag(pb, "ACLR");
526 put_tag(pb, "0001");
527 put_be32(pb, 1); /* yuv 1 / rgb 2 ? */
528 put_be32(pb, 0); /* unknown */
529
530 put_be32(pb, 24); /* size */
531 put_tag(pb, "APRG");
532 put_tag(pb, "APRG");
533 put_tag(pb, "0001");
534 put_be32(pb, 1); /* unknown */
535 put_be32(pb, 0); /* unknown */
536
537 put_be32(pb, 120); /* size */
538 put_tag(pb, "ARES");
539 put_tag(pb, "ARES");
540 put_tag(pb, "0001");
541 put_be32(pb, AV_RB32(track->vosData + 0x28)); /* dnxhd cid, some id ? */
542 put_be32(pb, track->enc->width);
543 /* values below are based on samples created with quicktime and avid codecs */
544 if (track->vosData[5] & 2) { // interlaced
545 put_be32(pb, track->enc->height/2);
546 put_be32(pb, 2); /* unknown */
547 put_be32(pb, 0); /* unknown */
548 put_be32(pb, 4); /* unknown */
549 } else {
550 put_be32(pb, track->enc->height);
551 put_be32(pb, 1); /* unknown */
552 put_be32(pb, 0); /* unknown */
553 put_be32(pb, 5); /* unknown */
554 }
555 /* padding */
556 for (i = 0; i < 10; i++)
557 put_be64(pb, 0);
558
559 /* extra padding for stsd needed */
560 put_be32(pb, 0);
561 return 0;
562 }
563
564 static int mov_find_video_codec_tag(AVFormatContext *s, MOVTrack *track)
565 {
566 int tag = track->enc->codec_tag;
567 if (!tag) {
568 if (track->enc->codec_id == CODEC_ID_DVVIDEO) {
569 if (track->enc->height == 480) { /* NTSC */
570 if (track->enc->pix_fmt == PIX_FMT_YUV422P)
571 tag = MKTAG('d', 'v', '5', 'n');
572 else
573 tag = MKTAG('d', 'v', 'c', ' ');
574 } else { /* assume PAL */
575 if (track->enc->pix_fmt == PIX_FMT_YUV422P)
576 tag = MKTAG('d', 'v', '5', 'p');
577 else if (track->enc->pix_fmt == PIX_FMT_YUV420P)
578 tag = MKTAG('d', 'v', 'c', 'p');
579 else
580 tag = MKTAG('d', 'v', 'p', 'p');
581 }
582 } else if (track->enc->codec_id == CODEC_ID_H263) {
583 if (track->mode == MODE_MOV)
584 tag = MKTAG('h', '2', '6', '3');
585 else
586 tag = MKTAG('s', '2', '6', '3');
587 } else {
588 tag = codec_get_tag(codec_movvideo_tags, track->enc->codec_id);
589 }
590 }
591 // if no mac fcc found, try with Microsoft tags
592 if (!tag) {
593 tag = codec_get_tag(codec_bmp_tags, track->enc->codec_id);
594 if (tag) {
595 av_log(s, AV_LOG_INFO, "Warning, using MS style video codec tag, the file may be unplayable!\n");
596 }
597 }
598 assert(tag);
599 return tag;
600 }
601
602 static int mov_find_audio_codec_tag(AVFormatContext *s, MOVTrack *track)
603 {
604 int tag = track->enc->codec_tag;
605 if (!tag) {
606 tag = codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
607 }
608 // if no mac fcc found, try with Microsoft tags
609 if (!tag) {
610 int ms_tag = codec_get_tag(codec_wav_tags, track->enc->codec_id);
611 if (ms_tag) {
612 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
613 av_log(s, AV_LOG_INFO, "Warning, using MS style audio codec tag, the file may be unplayable!\n");
614 }
615 }
616 assert(tag);
617 return tag;
618 }
619
620 static int mov_write_video_tag(ByteIOContext *pb, MOVTrack* track)
621 {
622 offset_t pos = url_ftell(pb);
623 char compressor_name[32];
624
625 put_be32(pb, 0); /* size */
626 put_le32(pb, track->tag); // store it byteswapped
627 put_be32(pb, 0); /* Reserved */
628 put_be16(pb, 0); /* Reserved */
629 put_be16(pb, 1); /* Data-reference index */
630
631 put_be16(pb, 0); /* Codec stream version */
632 put_be16(pb, 0); /* Codec stream revision (=0) */
633 if (track->mode == MODE_MOV) {
634 put_tag(pb, "FFMP"); /* Vendor */
635 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
636 put_be32(pb, 0); /* Temporal Quality */
637 put_be32(pb, 0x400); /* Spatial Quality = lossless*/
638 } else {
639 put_be32(pb, 0x200); /* Temporal Quality = normal */
640 put_be32(pb, 0x200); /* Spatial Quality = normal */
641 }
642 } else {
643 put_be32(pb, 0); /* Reserved */
644 put_be32(pb, 0); /* Reserved */
645 put_be32(pb, 0); /* Reserved */
646 }
647 put_be16(pb, track->enc->width); /* Video width */
648 put_be16(pb, track->enc->height); /* Video height */
649 put_be32(pb, 0x00480000); /* Horizontal resolution 72dpi */
650 put_be32(pb, 0x00480000); /* Vertical resolution 72dpi */
651 put_be32(pb, 0); /* Data size (= 0) */
652 put_be16(pb, 1); /* Frame count (= 1) */
653
654 memset(compressor_name,0,32);
655 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
656 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
657 strncpy(compressor_name,track->enc->codec->name,31);
658 put_byte(pb, strlen(compressor_name));
659 put_buffer(pb, compressor_name, 31);
660
661 put_be16(pb, 0x18); /* Reserved */
662 put_be16(pb, 0xffff); /* Reserved */
663 if(track->enc->codec_id == CODEC_ID_MPEG4)
664 mov_write_esds_tag(pb, track);
665 else if(track->enc->codec_id == CODEC_ID_H263)
666 mov_write_d263_tag(pb);
667 else if(track->enc->codec_id == CODEC_ID_SVQ3)
668 mov_write_svq3_tag(pb);
669 else if(track->enc->codec_id == CODEC_ID_H264)
670 mov_write_avcc_tag(pb, track);
671 else if(track->enc->codec_id == CODEC_ID_DNXHD)
672 mov_write_avid_tag(pb, track);
673
674 return updateSize (pb, pos);
675 }
676
677 static int mov_write_stsd_tag(ByteIOContext *pb, MOVTrack* track)
678 {
679 offset_t pos = url_ftell(pb);
680 put_be32(pb, 0); /* size */
681 put_tag(pb, "stsd");
682 put_be32(pb, 0); /* version & flags */
683 put_be32(pb, 1); /* entry count */
684 if (track->enc->codec_type == CODEC_TYPE_VIDEO)
685 mov_write_video_tag(pb, track);
686 else if (track->enc->codec_type == CODEC_TYPE_AUDIO)
687 mov_write_audio_tag(pb, track);
688 return updateSize(pb, pos);
689 }
690
691 static int mov_write_ctts_tag(ByteIOContext *pb, MOVTrack* track)
692 {
693 MOV_stts_t *ctts_entries;
694 uint32_t entries = 0;
695 uint32_t atom_size;
696 int i;
697
698 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
699 ctts_entries[0].count = 1;
700 ctts_entries[0].duration = track->cluster[0].cts;
701 for (i=1; i<track->entry; i++) {
702 if (track->cluster[i].cts == ctts_entries[entries].duration) {
703 ctts_entries[entries].count++; /* compress */
704 } else {
705 entries++;
706 ctts_entries[entries].duration = track->cluster[i].cts;
707 ctts_entries[entries].count = 1;
708 }
709 }
710 entries++; /* last one */
711 atom_size = 16 + (entries * 8);
712 put_be32(pb, atom_size); /* size */
713 put_tag(pb, "ctts");
714 put_be32(pb, 0); /* version & flags */
715 put_be32(pb, entries); /* entry count */
716 for (i=0; i<entries; i++) {
717 put_be32(pb, ctts_entries[i].count);
718 put_be32(pb, ctts_entries[i].duration);
719 }
720 av_free(ctts_entries);
721 return atom_size;
722 }
723
724 /* Time to sample atom */
725 static int mov_write_stts_tag(ByteIOContext *pb, MOVTrack* track)
726 {
727 MOV_stts_t *stts_entries;
728 uint32_t entries = -1;
729 uint32_t atom_size;
730 int i;
731
732 if (track->enc->codec_type == CODEC_TYPE_AUDIO && !track->audio_vbr) {
733 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
734 stts_entries[0].count = track->sampleCount;
735 stts_entries[0].duration = 1;
736 entries = 1;
737 } else {
738 stts_entries = av_malloc(track->entry * sizeof(*stts_entries)); /* worst case */
739 for (i=0; i<track->entry; i++) {
740 int64_t duration = i + 1 == track->entry ?
741 track->trackDuration - track->cluster[i].dts + track->cluster[0].dts : /* readjusting */
742 track->cluster[i+1].dts - track->cluster[i].dts;
743 if (i && duration == stts_entries[entries].duration) {
744 stts_entries[entries].count++; /* compress */
745 } else {
746 entries++;
747 stts_entries[entries].duration = duration;
748 stts_entries[entries].count = 1;
749 }
750 }
751 entries++; /* last one */
752 }
753 atom_size = 16 + (entries * 8);
754 put_be32(pb, atom_size); /* size */
755 put_tag(pb, "stts");
756 put_be32(pb, 0); /* version & flags */
757 put_be32(pb, entries); /* entry count */
758 for (i=0; i<entries; i++) {
759 put_be32(pb, stts_entries[i].count);
760 put_be32(pb, stts_entries[i].duration);
761 }
762 av_free(stts_entries);
763 return atom_size;
764 }
765
766 static int mov_write_dref_tag(ByteIOContext *pb)
767 {
768 put_be32(pb, 28); /* size */
769 put_tag(pb, "dref");
770 put_be32(pb, 0); /* version & flags */
771 put_be32(pb, 1); /* entry count */
772
773 put_be32(pb, 0xc); /* size */
774 put_tag(pb, "url ");
775 put_be32(pb, 1); /* version & flags */
776
777 return 28;
778 }
779
780 static int mov_write_stbl_tag(ByteIOContext *pb, MOVTrack* track)
781 {
782 offset_t pos = url_ftell(pb);
783 put_be32(pb, 0); /* size */
784 put_tag(pb, "stbl");
785 mov_write_stsd_tag(pb, track);
786 mov_write_stts_tag(pb, track);
787 if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
788 track->hasKeyframes < track->entry)
789 mov_write_stss_tag(pb, track);
790 if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
791 track->hasBframes)
792 mov_write_ctts_tag(pb, track);
793 mov_write_stsc_tag(pb, track);
794 mov_write_stsz_tag(pb, track);
795 mov_write_stco_tag(pb, track);
796 return updateSize(pb, pos);
797 }
798
799 static int mov_write_dinf_tag(ByteIOContext *pb)
800 {
801 offset_t pos = url_ftell(pb);
802 put_be32(pb, 0); /* size */
803 put_tag(pb, "dinf");
804 mov_write_dref_tag(pb);
805 return updateSize(pb, pos);
806 }
807
808 static int mov_write_smhd_tag(ByteIOContext *pb)
809 {
810 put_be32(pb, 16); /* size */
811 put_tag(pb, "smhd");
812 put_be32(pb, 0); /* version & flags */
813 put_be16(pb, 0); /* reserved (balance, normally = 0) */
814 put_be16(pb, 0); /* reserved */
815 return 16;
816 }
817
818 static int mov_write_vmhd_tag(ByteIOContext *pb)
819 {
820 put_be32(pb, 0x14); /* size (always 0x14) */
821 put_tag(pb, "vmhd");
822 put_be32(pb, 0x01); /* version & flags */
823 put_be64(pb, 0); /* reserved (graphics mode = copy) */
824 return 0x14;
825 }
826
827 static int mov_write_hdlr_tag(ByteIOContext *pb, MOVTrack* track)
828 {
829 const char *descr, *hdlr, *hdlr_type;
830 offset_t pos = url_ftell(pb);
831
832 if (!track) { /* no media --> data handler */
833 hdlr = "dhlr";
834 hdlr_type = "url ";
835 descr = "DataHandler";
836 } else {
837 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
838 if (track->enc->codec_type == CODEC_TYPE_VIDEO) {
839 hdlr_type = "vide";
840 descr = "VideoHandler";
841 } else {
842 hdlr_type = "soun";
843 descr = "SoundHandler";
844 }
845 }
846
847 put_be32(pb, 0); /* size */
848 put_tag(pb, "hdlr");
849 put_be32(pb, 0); /* Version & flags */
850 put_buffer(pb, hdlr, 4); /* handler */
851 put_tag(pb, hdlr_type); /* handler type */
852 put_be32(pb ,0); /* reserved */
853 put_be32(pb ,0); /* reserved */
854 put_be32(pb ,0); /* reserved */
855 put_byte(pb, strlen(descr)); /* string counter */
856 put_buffer(pb, descr, strlen(descr)); /* handler description */
857 return updateSize(pb, pos);
858 }
859
860 static int mov_write_minf_tag(ByteIOContext *pb, MOVTrack* track)
861 {
862 offset_t pos = url_ftell(pb);
863 put_be32(pb, 0); /* size */
864 put_tag(pb, "minf");
865 if(track->enc->codec_type == CODEC_TYPE_VIDEO)
866 mov_write_vmhd_tag(pb);
867 else
868 mov_write_smhd_tag(pb);
869 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
870 mov_write_hdlr_tag(pb, NULL);
871 mov_write_dinf_tag(pb);
872 mov_write_stbl_tag(pb, track);
873 return updateSize(pb, pos);
874 }
875
876 static int mov_write_mdhd_tag(ByteIOContext *pb, MOVTrack* track)
877 {
878 int version = track->trackDuration < INT32_MAX ? 0 : 1;
879
880 (version == 1) ? put_be32(pb, 44) : put_be32(pb, 32); /* size */
881 put_tag(pb, "mdhd");
882 put_byte(pb, version);
883 put_be24(pb, 0); /* flags */
884 if (version == 1) {
885 put_be64(pb, track->time);
886 put_be64(pb, track->time);
887 } else {
888 put_be32(pb, track->time); /* creation time */
889 put_be32(pb, track->time); /* modification time */
890 }
891 put_be32(pb, track->timescale); /* time scale (sample rate for audio) */
892 (version == 1) ? put_be64(pb, track->trackDuration) : put_be32(pb, track->trackDuration); /* duration */
893 put_be16(pb, track->language); /* language */
894 put_be16(pb, 0); /* reserved (quality) */
895
896 if(version!=0 && track->mode == MODE_MOV){
897 av_log(NULL, AV_LOG_ERROR,
898 "FATAL error, file duration too long for timebase, this file will not be\n"
899 "playable with quicktime. Choose a different timebase or a different\n"
900 "container format\n");
901 }
902
903 return 32;
904 }
905
906 static int mov_write_mdia_tag(ByteIOContext *pb, MOVTrack* track)
907 {
908 offset_t pos = url_ftell(pb);
909 put_be32(pb, 0); /* size */
910 put_tag(pb, "mdia");
911 mov_write_mdhd_tag(pb, track);
912 mov_write_hdlr_tag(pb, track);
913 mov_write_minf_tag(pb, track);
914 return updateSize(pb, pos);
915 }
916
917 static int mov_write_tkhd_tag(ByteIOContext *pb, MOVTrack* track)
918 {
919 int64_t duration = av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP);
920 int version = duration < INT32_MAX ? 0 : 1;
921
922 (version == 1) ? put_be32(pb, 104) : put_be32(pb, 92); /* size */
923 put_tag(pb, "tkhd");
924 put_byte(pb, version);
925 put_be24(pb, 0xf); /* flags (track enabled) */
926 if (version == 1) {
927 put_be64(pb, track->time);
928 put_be64(pb, track->time);
929 } else {
930 put_be32(pb, track->time); /* creation time */
931 put_be32(pb, track->time); /* modification time */
932 }
933 put_be32(pb, track->trackID); /* track-id */
934 put_be32(pb, 0); /* reserved */
935 (version == 1) ? put_be64(pb, duration) : put_be32(pb, duration);
936
937 put_be32(pb, 0); /* reserved */
938 put_be32(pb, 0); /* reserved */
939 put_be32(pb, 0x0); /* reserved (Layer & Alternate group) */
940 /* Volume, only for audio */
941 if(track->enc->codec_type == CODEC_TYPE_AUDIO)
942 put_be16(pb, 0x0100);
943 else
944 put_be16(pb, 0);
945 put_be16(pb, 0); /* reserved */
946
947 /* Matrix structure */
948 put_be32(pb, 0x00010000); /* reserved */
949 put_be32(pb, 0x0); /* reserved */
950 put_be32(pb, 0x0); /* reserved */
951 put_be32(pb, 0x0); /* reserved */
952 put_be32(pb, 0x00010000); /* reserved */
953 put_be32(pb, 0x0); /* reserved */
954 put_be32(pb, 0x0); /* reserved */
955 put_be32(pb, 0x0); /* reserved */
956 put_be32(pb, 0x40000000); /* reserved */
957
958 /* Track width and height, for visual only */
959 if(track->enc->codec_type == CODEC_TYPE_VIDEO) {
960 double sample_aspect_ratio = av_q2d(track->enc->sample_aspect_ratio);
961 if( !sample_aspect_ratio ) sample_aspect_ratio = 1;
962 put_be32(pb, sample_aspect_ratio * track->enc->width*0x10000);
963 put_be32(pb, track->enc->height*0x10000);
964 }
965 else {
966 put_be32(pb, 0);
967 put_be32(pb, 0);
968 }
969 return 0x5c;
970 }
971
972 // This box seems important for the psp playback ... without it the movie seems to hang
973 static int mov_write_edts_tag(ByteIOContext *pb, MOVTrack *track)
974 {
975 put_be32(pb, 0x24); /* size */
976 put_tag(pb, "edts");
977 put_be32(pb, 0x1c); /* size */
978 put_tag(pb, "elst");
979 put_be32(pb, 0x0);
980 put_be32(pb, 0x1);
981
982 put_be32(pb, av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP)); /* duration ... doesn't seem to effect psp */
983
984 put_be32(pb, track->cluster[0].cts); /* first pts is cts since dts is 0 */
985 put_be32(pb, 0x00010000);
986 return 0x24;
987 }
988
989 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
990 static int mov_write_uuid_tag_psp(ByteIOContext *pb, MOVTrack *mov)
991 {
992 put_be32(pb, 0x34); /* size ... reports as 28 in mp4box! */
993 put_tag(pb, "uuid");
994 put_tag(pb, "USMT");
995 put_be32(pb, 0x21d24fce);
996 put_be32(pb, 0xbb88695c);
997 put_be32(pb, 0xfac9c740);
998 put_be32(pb, 0x1c); // another size here!
999 put_tag(pb, "MTDT");
1000 put_be32(pb, 0x00010012);
1001 put_be32(pb, 0x0a);
1002 put_be32(pb, 0x55c40000);
1003 put_be32(pb, 0x1);
1004 put_be32(pb, 0x0);
1005 return 0x34;
1006 }
1007
1008 static int mov_write_trak_tag(ByteIOContext *pb, MOVTrack* track)
1009 {
1010 offset_t pos = url_ftell(pb);
1011 put_be32(pb, 0); /* size */
1012 put_tag(pb, "trak");
1013 mov_write_tkhd_tag(pb, track);
1014 if (track->mode == MODE_PSP || track->hasBframes)
1015 mov_write_edts_tag(pb, track); // PSP Movies require edts box
1016 mov_write_mdia_tag(pb, track);
1017 if (track->mode == MODE_PSP)
1018 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
1019 return updateSize(pb, pos);
1020 }
1021
1022 #if 0
1023 /* TODO: Not sorted out, but not necessary either */
1024 static int mov_write_iods_tag(ByteIOContext *pb, MOVContext *mov)
1025 {
1026 put_be32(pb, 0x15); /* size */
1027 put_tag(pb, "iods");
1028 put_be32(pb, 0); /* version & flags */
1029 put_be16(pb, 0x1007);
1030 put_byte(pb, 0);
1031 put_be16(pb, 0x4fff);
1032 put_be16(pb, 0xfffe);
1033 put_be16(pb, 0x01ff);
1034 return 0x15;
1035 }
1036 #endif
1037
1038 static int mov_write_mvhd_tag(ByteIOContext *pb, MOVContext *mov)
1039 {
1040 int maxTrackID = 1, i;
1041 int64_t maxTrackLenTemp, maxTrackLen = 0;
1042 int version;
1043
1044 for (i=0; i<mov->nb_streams; i++) {
1045 if(mov->tracks[i].entry > 0) {
1046 maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration, globalTimescale, mov->tracks[i].timescale, AV_ROUND_UP);
1047 if(maxTrackLen < maxTrackLenTemp)
1048 maxTrackLen = maxTrackLenTemp;
1049 if(maxTrackID < mov->tracks[i].trackID)
1050 maxTrackID = mov->tracks[i].trackID;
1051 }
1052 }
1053
1054 version = maxTrackLen < UINT32_MAX ? 0 : 1;
1055 (version == 1) ? put_be32(pb, 120) : put_be32(pb, 108); /* size */
1056 put_tag(pb, "mvhd");
1057 put_byte(pb, version);
1058 put_be24(pb, 0); /* flags */
1059 if (version == 1) {
1060 put_be64(pb, mov->time);
1061 put_be64(pb, mov->time);
1062 } else {
1063 put_be32(pb, mov->time); /* creation time */
1064 put_be32(pb, mov->time); /* modification time */
1065 }
1066 put_be32(pb, mov->timescale); /* timescale */
1067 (version == 1) ? put_be64(pb, maxTrackLen) : put_be32(pb, maxTrackLen); /* duration of longest track */
1068
1069 put_be32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1070 put_be16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1071 put_be16(pb, 0); /* reserved */
1072 put_be32(pb, 0); /* reserved */
1073 put_be32(pb, 0); /* reserved */
1074
1075 /* Matrix structure */
1076 put_be32(pb, 0x00010000); /* reserved */
1077 put_be32(pb, 0x0); /* reserved */
1078 put_be32(pb, 0x0); /* reserved */
1079 put_be32(pb, 0x0); /* reserved */
1080 put_be32(pb, 0x00010000); /* reserved */
1081 put_be32(pb, 0x0); /* reserved */
1082 put_be32(pb, 0x0); /* reserved */
1083 put_be32(pb, 0x0); /* reserved */
1084 put_be32(pb, 0x40000000); /* reserved */
1085
1086 put_be32(pb, 0); /* reserved (preview time) */
1087 put_be32(pb, 0); /* reserved (preview duration) */
1088 put_be32(pb, 0); /* reserved (poster time) */
1089 put_be32(pb, 0); /* reserved (selection time) */
1090 put_be32(pb, 0); /* reserved (selection duration) */
1091 put_be32(pb, 0); /* reserved (current time) */
1092 put_be32(pb, maxTrackID+1); /* Next track id */
1093 return 0x6c;
1094 }
1095
1096 static int mov_write_itunes_hdlr_tag(ByteIOContext *pb, MOVContext* mov,
1097 AVFormatContext *s)
1098 {
1099 offset_t pos = url_ftell(pb);
1100 put_be32(pb, 0); /* size */
1101 put_tag(pb, "hdlr");
1102 put_be32(pb, 0);
1103 put_be32(pb, 0);
1104 put_tag(pb, "mdir");
1105 put_tag(pb, "appl");
1106 put_be32(pb, 0);
1107 put_be32(pb, 0);
1108 put_be16(pb, 0);
1109 return updateSize(pb, pos);
1110 }
1111
1112 /* helper function to write a data tag with the specified string as data */
1113 static int mov_write_string_data_tag(ByteIOContext *pb, const char *data, int long_style)
1114 {
1115 if(long_style){
1116 offset_t pos = url_ftell(pb);
1117 put_be32(pb, 0); /* size */
1118 put_tag(pb, "data");
1119 put_be32(pb, 1);
1120 put_be32(pb, 0);
1121 put_buffer(pb, data, strlen(data));
1122 return updateSize(pb, pos);
1123 }else{
1124 put_be16(pb, strlen(data)); /* string length */
1125 put_be16(pb, 0);
1126 put_buffer(pb, data, strlen(data));
1127 return strlen(data) + 4;
1128 }
1129 }
1130
1131 static int mov_write_string_tag(ByteIOContext *pb, const char *name, const char *value, int long_style){
1132 int size = 0;
1133 if ( value && value[0] ) {
1134 offset_t pos = url_ftell(pb);
1135 put_be32(pb, 0); /* size */
1136 put_tag(pb, name);
1137 mov_write_string_data_tag(pb, value, long_style);
1138 size= updateSize(pb, pos);
1139 }
1140 return size;
1141 }
1142
1143 /* iTunes year */
1144 static int mov_write_day_tag(ByteIOContext *pb, int year, int long_style)
1145 {
1146 if(year){
1147 char year_str[5];
1148 snprintf(year_str, sizeof(year_str), "%04d", year);
1149 return mov_write_string_tag(pb, "\251day", year_str, long_style);
1150 }else
1151 return 0;
1152 }
1153
1154 /* iTunes track number */
1155 static int mov_write_trkn_tag(ByteIOContext *pb, MOVContext* mov,
1156 AVFormatContext *s)
1157 {
1158 int size = 0;
1159 if ( s->track ) {
1160 offset_t pos = url_ftell(pb);
1161 put_be32(pb, 0); /* size */
1162 put_tag(pb, "trkn");
1163 {
1164 offset_t pos = url_ftell(pb);
1165 put_be32(pb, 0); /* size */
1166 put_tag(pb, "data");
1167 put_be32(pb, 0); // 8 bytes empty
1168 put_be32(pb, 0);
1169 put_be16(pb, 0); // empty
1170 put_be16(pb, s->track); // track number
1171 put_be16(pb, 0); // total track number
1172 put_be16(pb, 0); // empty
1173 updateSize(pb, pos);
1174 }
1175 size = updateSize(pb, pos);
1176 }
1177 return size;
1178 }
1179
1180 /* iTunes meta data list */
1181 static int mov_write_ilst_tag(ByteIOContext *pb, MOVContext* mov,
1182 AVFormatContext *s)
1183 {
1184 offset_t pos = url_ftell(pb);
1185 put_be32(pb, 0); /* size */
1186 put_tag(pb, "ilst");
1187 mov_write_string_tag(pb, "\251nam", s->title , 1);
1188 mov_write_string_tag(pb, "\251ART", s->author , 1);
1189 mov_write_string_tag(pb, "\251wrt", s->author , 1);
1190 mov_write_string_tag(pb, "\251alb", s->album , 1);
1191 mov_write_day_tag(pb, s->year ,1);
1192 if(mov->tracks[0].enc && !(mov->tracks[0].enc->flags & CODEC_FLAG_BITEXACT))
1193 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 1);
1194 mov_write_string_tag(pb, "\251cmt", s->comment , 1);
1195 mov_write_string_tag(pb, "\251gen", s->genre , 1);
1196 mov_write_trkn_tag(pb, mov, s);
1197 return updateSize(pb, pos);
1198 }
1199
1200 /* iTunes meta data tag */
1201 static int mov_write_meta_tag(ByteIOContext *pb, MOVContext* mov,
1202 AVFormatContext *s)
1203 {
1204 int size = 0;
1205
1206 // only save meta tag if required
1207 if ( s->title[0] || s->author[0] || s->album[0] || s->year ||
1208 s->comment[0] || s->genre[0] || s->track ) {
1209 offset_t pos = url_ftell(pb);
1210 put_be32(pb, 0); /* size */
1211 put_tag(pb, "meta");
1212 put_be32(pb, 0);
1213 mov_write_itunes_hdlr_tag(pb, mov, s);
1214 mov_write_ilst_tag(pb, mov, s);
1215 size = updateSize(pb, pos);
1216 }
1217 return size;
1218 }
1219
1220 static int mov_write_udta_tag(ByteIOContext *pb, MOVContext* mov,
1221 AVFormatContext *s)
1222 {
1223 offset_t pos = url_ftell(pb);
1224 int i;
1225
1226 put_be32(pb, 0); /* size */
1227 put_tag(pb, "udta");
1228
1229 /* iTunes meta data */
1230 mov_write_meta_tag(pb, mov, s);
1231
1232 if(mov->mode == MODE_MOV){ // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
1233 /* Requirements */
1234 for (i=0; i<mov->nb_streams; i++) {
1235 if(mov->tracks[i].entry <= 0) continue;
1236 if (mov->tracks[i].enc->codec_id == CODEC_ID_AAC ||
1237 mov->tracks[i].enc->codec_id == CODEC_ID_MPEG4) {
1238 mov_write_string_tag(pb, "\251req", "QuickTime 6.0 or greater", 0);
1239 break;
1240 }
1241 }
1242
1243 mov_write_string_tag(pb, "\251nam", s->title , 0);
1244 mov_write_string_tag(pb, "\251aut", s->author , 0);
1245 mov_write_string_tag(pb, "\251alb", s->album , 0);
1246 mov_write_day_tag(pb, s->year, 0);
1247 if(mov->tracks[0].enc && !(mov->tracks[0].enc->flags & CODEC_FLAG_BITEXACT))
1248 mov_write_string_tag(pb, "\251enc", LIBAVFORMAT_IDENT, 0);
1249 mov_write_string_tag(pb, "\251des", s->comment , 0);
1250 mov_write_string_tag(pb, "\251gen", s->genre , 0);
1251 }
1252
1253 return updateSize(pb, pos);
1254 }
1255
1256 static int utf8len(uint8_t *b){
1257 int len=0;
1258 int val;
1259 while(*b){
1260 GET_UTF8(val, *b++, return -1;)
1261 len++;
1262 }
1263 return len;
1264 }
1265
1266 static int ascii_to_wc (ByteIOContext *pb, uint8_t *b)
1267 {
1268 int val;
1269 while(*b){
1270 GET_UTF8(val, *b++, return -1;)
1271 put_be16(pb, val);
1272 }
1273 put_be16(pb, 0x00);
1274 return 0;
1275 }
1276
1277 static uint16_t language_code (const char *str)
1278 {
1279 return ((((str[0]-0x60) & 0x1F)<<10) + (((str[1]-0x60) & 0x1F)<<5) + ((str[2]-0x60) & 0x1F));
1280 }
1281
1282 static int mov_write_uuidusmt_tag (ByteIOContext *pb, AVFormatContext *s)
1283 {
1284 size_t len, size;
1285 offset_t pos, curpos;
1286
1287 size = 0;
1288 if (s->title[0]) {
1289 pos = url_ftell(pb);
1290 put_be32(pb, 0); /* size placeholder*/
1291 put_tag(pb, "uuid");
1292 put_tag(pb, "USMT");
1293 put_be32(pb, 0x21d24fce ); /* 96 bit UUID */
1294 put_be32(pb, 0xbb88695c );
1295 put_be32(pb, 0xfac9c740 );
1296 size += 24;
1297
1298 put_be32(pb, 0); /* size placeholder*/
1299 put_tag(pb, "MTDT");
1300 put_be16(pb, 4);
1301 size += 10;
1302
1303 // ?
1304 put_be16(pb, 0x0C); /* size */
1305 put_be32(pb, 0x0B); /* type */
1306 put_be16(pb, language_code("und")); /* language */
1307 put_be16(pb, 0x0); /* ? */
1308 put_be16(pb, 0x021C); /* data */
1309 size += 12;
1310
1311 // Encoder
1312 len = utf8len(LIBAVCODEC_IDENT)+1;
1313 if(len<=0)
1314 goto not_utf8;
1315 put_be16(pb, len*2+10); /* size */
1316 put_be32(pb, 0x04); /* type */
1317 put_be16(pb, language_code("eng")); /* language */
1318 put_be16(pb, 0x01); /* ? */
1319 ascii_to_wc(pb, LIBAVCODEC_IDENT);
1320 size += len*2+10;
1321
1322 // Title
1323 len = utf8len(s->title)+1;
1324 if(len<=0)
1325 goto not_utf8;
1326 put_be16(pb, len*2+10); /* size */
1327 put_be32(pb, 0x01); /* type */
1328 put_be16(pb, language_code("eng")); /* language */
1329 put_be16(pb, 0x01); /* ? */
1330 ascii_to_wc (pb, s->title);
1331 size += len*2+10;
1332
1333 // Date
1334 // 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);
1335 len = utf8len("2006/04/01 11:11:11")+1;
1336 if(len<=0)
1337 goto not_utf8;
1338 put_be16(pb, len*2+10); /* size */
1339 put_be32(pb, 0x03); /* type */
1340 put_be16(pb, language_code("und")); /* language */
1341 put_be16(pb, 0x01); /* ? */
1342 ascii_to_wc (pb, "2006/04/01 11:11:11");
1343 size += len*2+10;
1344
1345 // size
1346 curpos = url_ftell(pb);
1347 url_fseek(pb, pos, SEEK_SET);
1348 put_be32(pb, size);
1349 url_fseek(pb, pos+24, SEEK_SET);
1350 put_be32(pb, size-24);
1351 url_fseek(pb, curpos, SEEK_SET);
1352 }
1353
1354 return size;
1355 not_utf8:
1356 av_log(s, AV_LOG_ERROR, "not utf8\n");
1357 return -1;
1358 }
1359
1360 static int mov_write_moov_tag(ByteIOContext *pb, MOVContext *mov,
1361 AVFormatContext *s)
1362 {
1363 int i;
1364 offset_t pos = url_ftell(pb);
1365 put_be32(pb, 0); /* size placeholder*/
1366 put_tag(pb, "moov");
1367 mov->timescale = globalTimescale;
1368
1369 for (i=0; i<mov->nb_streams; i++) {
1370 if(mov->tracks[i].entry <= 0) continue;
1371
1372 mov->tracks[i].time = mov->time;
1373 mov->tracks[i].trackID = i+1;
1374 }
1375
1376 mov_write_mvhd_tag(pb, mov);
1377 //mov_write_iods_tag(pb, mov);
1378 for (i=0; i<mov->nb_streams; i++) {
1379 if(mov->tracks[i].entry > 0) {
1380 mov_write_trak_tag(pb, &(mov->tracks[i]));
1381 }
1382 }
1383
1384 if (mov->mode == MODE_PSP)
1385 mov_write_uuidusmt_tag(pb, s);
1386 else if (mov->mode != MODE_3GP && mov->mode != MODE_3G2)
1387 mov_write_udta_tag(pb, mov, s);
1388
1389 return updateSize(pb, pos);
1390 }
1391
1392 static int mov_write_mdat_tag(ByteIOContext *pb, MOVContext* mov)
1393 {
1394 put_be32(pb, 8); // placeholder for extended size field (64 bit)
1395 put_tag(pb, mov->mode == MODE_MOV ? "wide" : "free");
1396
1397 mov->mdat_pos = url_ftell(pb);
1398 put_be32(pb, 0); /* size placeholder*/
1399 put_tag(pb, "mdat");
1400 return 0;
1401 }
1402
1403 /* TODO: This needs to be more general */
1404 static void mov_write_ftyp_tag (ByteIOContext *pb, AVFormatContext *s)
1405 {
1406 MOVContext *mov = s->priv_data;
1407
1408 put_be32(pb, 0x14 ); /* size */
1409 put_tag(pb, "ftyp");
1410
1411 if ( mov->mode == MODE_3GP )
1412 put_tag(pb, "3gp4");
1413 else if ( mov->mode == MODE_3G2 )
1414 put_tag(pb, "3g2a");
1415 else if ( mov->mode == MODE_PSP )
1416 put_tag(pb, "MSNV");
1417 else if ( mov->mode == MODE_MP4 )
1418 put_tag(pb, "isom");
1419 else
1420 put_tag(pb, "qt ");
1421
1422 put_be32(pb, 0x200 );
1423
1424 if ( mov->mode == MODE_3GP )
1425 put_tag(pb, "3gp4");
1426 else if ( mov->mode == MODE_3G2 )
1427 put_tag(pb, "3g2a");
1428 else if ( mov->mode == MODE_PSP )
1429 put_tag(pb, "MSNV");
1430 else if ( mov->mode == MODE_MP4 )
1431 put_tag(pb, "mp41");
1432 else
1433 put_tag(pb, "qt ");
1434 }
1435
1436 static void mov_write_uuidprof_tag(ByteIOContext *pb, AVFormatContext *s)
1437 {
1438 AVCodecContext *VideoCodec = s->streams[0]->codec;
1439 AVCodecContext *AudioCodec = s->streams[1]->codec;
1440 int AudioRate = AudioCodec->sample_rate;
1441 int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num);
1442 int audio_kbitrate= AudioCodec->bit_rate / 1000;
1443 int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate);
1444
1445 put_be32(pb, 0x94 ); /* size */
1446 put_tag(pb, "uuid");
1447 put_tag(pb, "PROF");
1448
1449 put_be32(pb, 0x21d24fce ); /* 96 bit UUID */
1450 put_be32(pb, 0xbb88695c );
1451 put_be32(pb, 0xfac9c740 );
1452
1453 put_be32(pb, 0x0 ); /* ? */
1454 put_be32(pb, 0x3 ); /* 3 sections ? */
1455
1456 put_be32(pb, 0x14 ); /* size */
1457 put_tag(pb, "FPRF");
1458 put_be32(pb, 0x0 ); /* ? */
1459 put_be32(pb, 0x0 ); /* ? */
1460 put_be32(pb, 0x0 ); /* ? */
1461
1462 put_be32(pb, 0x2c ); /* size */
1463 put_tag(pb, "APRF"); /* audio */
1464 put_be32(pb, 0x0 );
1465 put_be32(pb, 0x2 ); /* TrackID */
1466 put_tag(pb, "mp4a");
1467 put_be32(pb, 0x20f );
1468 put_be32(pb, 0x0 );
1469 put_be32(pb, audio_kbitrate);
1470 put_be32(pb, audio_kbitrate);
1471 put_be32(pb, AudioRate );
1472 put_be32(pb, AudioCodec->channels );
1473
1474 put_be32(pb, 0x34 ); /* size */
1475 put_tag(pb, "VPRF"); /* video */
1476 put_be32(pb, 0x0 );
1477 put_be32(pb, 0x1 ); /* TrackID */
1478 if (VideoCodec->codec_id == CODEC_ID_H264) {
1479 put_tag(pb, "avc1");
1480 put_be16(pb, 0x014D );
1481 put_be16(pb, 0x0015 );
1482 } else {
1483 put_tag(pb, "mp4v");
1484 put_be16(pb, 0x0000 );
1485 put_be16(pb, 0x0103 );
1486 }
1487 put_be32(pb, 0x0 );
1488 put_be32(pb, video_kbitrate);
1489 put_be32(pb, video_kbitrate);
1490 put_be32(pb, FrameRate);
1491 put_be32(pb, FrameRate);
1492 put_be16(pb, VideoCodec->width);
1493 put_be16(pb, VideoCodec->height);
1494 put_be32(pb, 0x010001); /* ? */
1495 }
1496
1497 static int mov_write_header(AVFormatContext *s)
1498 {
1499 ByteIOContext *pb = &s->pb;
1500 MOVContext *mov = s->priv_data;
1501 int i;
1502
1503 if (url_is_streamed(&s->pb)) {
1504 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
1505 return -1;
1506 }
1507
1508 /* Default mode == MP4 */
1509 mov->mode = MODE_MP4;
1510
1511 if (s->oformat != NULL) {
1512 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
1513 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3G2;
1514 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
1515 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
1516
1517 mov_write_ftyp_tag(pb,s);
1518 if ( mov->mode == MODE_PSP ) {
1519 if ( s->nb_streams != 2 ) {
1520 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
1521 return -1;
1522 }
1523 mov_write_uuidprof_tag(pb,s);
1524 }
1525 }
1526
1527 for(i=0; i<s->nb_streams; i++){
1528 AVStream *st= s->streams[i];
1529 MOVTrack *track= &mov->tracks[i];
1530
1531 track->enc = st->codec;
1532 track->language = ff_mov_iso639_to_lang(st->language, mov->mode != MODE_MOV);
1533 track->mode = mov->mode;
1534 if(st->codec->codec_type == CODEC_TYPE_VIDEO){
1535 track->tag = mov_find_video_codec_tag(s, track);
1536 track->timescale = st->codec->time_base.den;
1537 av_set_pts_info(st, 64, 1, st->codec->time_base.den);
1538 if (track->timescale > 100000)
1539 av_log(NULL, AV_LOG_WARNING,
1540 "WARNING codec timebase is very high. If duration is too long,\n"
1541 "file may not be playable by quicktime. Specify a shorter timebase\n"
1542 "or choose different container.\n");
1543 }else if(st->codec->codec_type == CODEC_TYPE_AUDIO){
1544 track->tag = mov_find_audio_codec_tag(s, track);
1545 track->timescale = st->codec->sample_rate;
1546 av_set_pts_info(st, 64, 1, st->codec->sample_rate);
1547 if(!st->codec->frame_size){
1548 av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
1549 return -1;
1550 }else if(st->codec->frame_size > 1){ /* assume compressed audio */
1551 track->audio_vbr = 1;
1552 }else{
1553 track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
1554 }
1555 }
1556 }
1557
1558 mov_write_mdat_tag(pb, mov);
1559 mov->time = s->timestamp + 0x7C25B080; //1970 based -> 1904 based
1560 mov->nb_streams = s->nb_streams;
1561
1562 put_flush_packet(pb);
1563
1564 return 0;
1565 }
1566
1567 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
1568 {
1569 MOVContext *mov = s->priv_data;
1570 ByteIOContext *pb = &s->pb;
1571 MOVTrack *trk = &mov->tracks[pkt->stream_index];
1572 AVCodecContext *enc = trk->enc;
1573 unsigned int samplesInChunk = 0;
1574 int size= pkt->size;
1575
1576 if (url_is_streamed(&s->pb)) return 0; /* Can't handle that */
1577 if (!size) return 0; /* Discard 0 sized packets */
1578
1579 if (enc->codec_id == CODEC_ID_AMR_NB) {
1580 /* We must find out how many AMR blocks there are in one packet */
1581 static uint16_t packed_size[16] =
1582 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 0};
1583 int len = 0;
1584
1585 while (len < size && samplesInChunk < 100) {
1586 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
1587 samplesInChunk++;
1588 }
1589 if(samplesInChunk > 1){
1590 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
1591 return -1;
1592 }
1593 } else if (trk->sampleSize)
1594 samplesInChunk = size/trk->sampleSize;
1595 else
1596 samplesInChunk = 1;
1597
1598 /* copy extradata if it exists */
1599 if (trk->vosLen == 0 && enc->extradata_size > 0) {
1600 trk->vosLen = enc->extradata_size;
1601 trk->vosData = av_malloc(trk->vosLen);
1602 memcpy(trk->vosData, enc->extradata, trk->vosLen);
1603 }
1604
1605 if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) {
1606 /* from x264 or from bytestream h264 */
1607 /* nal reformating needed */
1608 avc_parse_nal_units(&pkt->data, &pkt->size);
1609 assert(pkt->size);
1610 size = pkt->size;
1611 } else if (enc->codec_id == CODEC_ID_DNXHD && !trk->vosLen) {
1612 /* copy frame header to create needed atoms */
1613 if (size < 640)
1614 return -1;
1615 trk->vosLen = 640;
1616 trk->vosData = av_malloc(trk->vosLen);
1617 memcpy(trk->vosData, pkt->data, 640);
1618 }
1619
1620 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
1621 trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster));
1622 if (!trk->cluster)
1623 return -1;
1624 }
1625
1626 trk->cluster[trk->entry].pos = url_ftell(pb);
1627 trk->cluster[trk->entry].samplesInChunk = samplesInChunk;
1628 trk->cluster[trk->entry].size = size;
1629 trk->cluster[trk->entry].entries = samplesInChunk;
1630 trk->cluster[trk->entry].dts = pkt->dts;
1631 trk->trackDuration = pkt->dts - trk->cluster[0].dts + pkt->duration;
1632
1633 if(enc->codec_type == CODEC_TYPE_VIDEO) {
1634 if (pkt->dts != pkt->pts)
1635 trk->hasBframes = 1;
1636 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
1637 trk->cluster[trk->entry].key_frame = !!(pkt->flags & PKT_FLAG_KEY);
1638 if(trk->cluster[trk->entry].key_frame)
1639 trk->hasKeyframes++;
1640 }
1641 trk->entry++;
1642 trk->sampleCount += samplesInChunk;
1643 mov->mdat_size += size;
1644
1645 put_buffer(pb, pkt->data, size);
1646
1647 put_flush_packet(pb);
1648 return 0;
1649 }
1650
1651 static int mov_write_trailer(AVFormatContext *s)
1652 {
1653 MOVContext *mov = s->priv_data;
1654 ByteIOContext *pb = &s->pb;
1655 int res = 0;
1656 int i;
1657
1658 offset_t moov_pos = url_ftell(pb);
1659
1660 /* Write size of mdat tag */
1661 if (mov->mdat_size+8 <= UINT32_MAX) {
1662 url_fseek(pb, mov->mdat_pos, SEEK_SET);
1663 put_be32(pb, mov->mdat_size+8);
1664 } else {
1665 /* overwrite 'wide' placeholder atom */
1666 url_fseek(pb, mov->mdat_pos - 8, SEEK_SET);
1667 put_be32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */
1668 put_tag(pb, "mdat");
1669 put_be64(pb, mov->mdat_size+16);
1670 }
1671 url_fseek(pb, moov_pos, SEEK_SET);
1672
1673 mov_write_moov_tag(pb, mov, s);
1674
1675 for (i=0; i<mov->nb_streams; i++) {
1676 av_freep(&mov->tracks[i].cluster);
1677
1678 if( mov->tracks[i].vosLen ) av_free( mov->tracks[i].vosData );
1679
1680 }
1681
1682 put_flush_packet(pb);
1683
1684 return res;
1685 }
1686
1687 #ifdef CONFIG_MOV_MUXER
1688 AVOutputFormat mov_muxer = {
1689 "mov",
1690 "mov format",
1691 NULL,
1692 "mov",
1693 sizeof(MOVContext),
1694 CODEC_ID_AAC,
1695 CODEC_ID_MPEG4,
1696 mov_write_header,
1697 mov_write_packet,
1698 mov_write_trailer,
1699 .flags = AVFMT_GLOBALHEADER,
1700 };
1701 #endif
1702 #ifdef CONFIG_TGP_MUXER
1703 AVOutputFormat tgp_muxer = {
1704 "3gp",
1705 "3gp format",
1706 NULL,
1707 "3gp",
1708 sizeof(MOVContext),
1709 CODEC_ID_AMR_NB,
1710 CODEC_ID_H263,
1711 mov_write_header,
1712 mov_write_packet,
1713 mov_write_trailer,
1714 .flags = AVFMT_GLOBALHEADER,
1715 };
1716 #endif
1717 #ifdef CONFIG_MP4_MUXER
1718 AVOutputFormat mp4_muxer = {
1719 "mp4",
1720 "mp4 format",
1721 "application/mp4",
1722 "mp4,m4a",
1723 sizeof(MOVContext),
1724 CODEC_ID_AAC,
1725 CODEC_ID_MPEG4,
1726 mov_write_header,
1727 mov_write_packet,
1728 mov_write_trailer,
1729 .flags = AVFMT_GLOBALHEADER,
1730 };
1731 #endif
1732 #ifdef CONFIG_PSP_MUXER
1733 AVOutputFormat psp_muxer = {
1734 "psp",
1735 "psp mp4 format",
1736 NULL,
1737 "mp4,psp",
1738 sizeof(MOVContext),
1739 CODEC_ID_AAC,
1740 CODEC_ID_MPEG4,
1741 mov_write_header,
1742 mov_write_packet,
1743 mov_write_trailer,
1744 .flags = AVFMT_GLOBALHEADER,
1745 };
1746 #endif
1747 #ifdef CONFIG_TG2_MUXER
1748 AVOutputFormat tg2_muxer = {
1749 "3g2",
1750 "3gp2 format",
1751 NULL,
1752 "3g2",
1753 sizeof(MOVContext),
1754 CODEC_ID_AMR_NB,
1755 CODEC_ID_H263,
1756 mov_write_header,
1757 mov_write_packet,
1758 mov_write_trailer,
1759 .flags = AVFMT_GLOBALHEADER,
1760 };
1761 #endif