wide atom is only defined in mov, use free for mp4/3gp
[libav.git] / libavformat / movenc.c
1 /*
2 * MOV, 3GP, MP4 encoder.
3 * Copyright (c) 2003 Thomas Raivio.
4 * Copyright (c) 2004 Gildas Bazin <gbazin at videolan dot org>.
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20 #include "avformat.h"
21 #include "riff.h"
22 #include "avio.h"
23 #include "isom.h"
24
25 #undef NDEBUG
26 #include <assert.h>
27
28 #define MOV_INDEX_CLUSTER_SIZE 16384
29 #define globalTimescale 1000
30
31 #define MODE_MP4 0
32 #define MODE_MOV 1
33 #define MODE_3GP 2
34 #define MODE_PSP 3 // example working PSP command line:
35 // ffmpeg -i testinput.avi -f psp -r 14.985 -s 320x240 -b 768 -ar 24000 -ab 32 M4V00001.MP4
36 #define MODE_3G2 4
37
38 typedef struct MOVIentry {
39 unsigned int flags, size;
40 uint64_t pos;
41 unsigned int samplesInChunk;
42 char key_frame;
43 unsigned int entries;
44 int64_t cts;
45 } MOVIentry;
46
47 typedef struct MOVIndex {
48 int mode;
49 int entry;
50 long timescale;
51 long time;
52 int64_t trackDuration;
53 long sampleCount;
54 long sampleDuration;
55 long sampleSize;
56 int hasKeyframes;
57 int hasBframes;
58 int language;
59 int trackID;
60 int tag;
61 AVCodecContext *enc;
62
63 int vosLen;
64 uint8_t *vosData;
65 MOVIentry *cluster;
66 } MOVTrack;
67
68 typedef struct MOVContext {
69 int mode;
70 int64_t time;
71 int nb_streams;
72 offset_t mdat_pos;
73 uint64_t mdat_size;
74 long timescale;
75 MOVTrack tracks[MAX_STREAMS];
76 } MOVContext;
77
78 //FIXME supprt 64bit varaint with wide placeholders
79 static offset_t updateSize (ByteIOContext *pb, offset_t pos)
80 {
81 offset_t curpos = url_ftell(pb);
82 url_fseek(pb, pos, SEEK_SET);
83 put_be32(pb, curpos - pos); /* rewrite size */
84 url_fseek(pb, curpos, SEEK_SET);
85
86 return curpos - pos;
87 }
88
89 /* Chunk offset atom */
90 static int mov_write_stco_tag(ByteIOContext *pb, MOVTrack* track)
91 {
92 int i;
93 int mode64 = 0; // use 32 bit size variant if possible
94 offset_t pos = url_ftell(pb);
95 put_be32(pb, 0); /* size */
96 if (pos > UINT32_MAX) {
97 mode64 = 1;
98 put_tag(pb, "co64");
99 } else
100 put_tag(pb, "stco");
101 put_be32(pb, 0); /* version & flags */
102 put_be32(pb, track->entry); /* entry count */
103 for (i=0; i<track->entry; i++) {
104 if(mode64 == 1)
105 put_be64(pb, track->cluster[i].pos);
106 else
107 put_be32(pb, track->cluster[i].pos);
108 }
109 return updateSize (pb, pos);
110 }
111
112 /* Sample size atom */
113 static int mov_write_stsz_tag(ByteIOContext *pb, MOVTrack* track)
114 {
115 int equalChunks = 1;
116 int i, j, entries = 0, tst = -1, oldtst = -1;
117
118 offset_t pos = url_ftell(pb);
119 put_be32(pb, 0); /* size */
120 put_tag(pb, "stsz");
121 put_be32(pb, 0); /* version & flags */
122
123 for (i=0; i<track->entry; i++) {
124 tst = track->cluster[i].size/track->cluster[i].entries;
125 if(oldtst != -1 && tst != oldtst) {
126 equalChunks = 0;
127 }
128 oldtst = tst;
129 entries += track->cluster[i].entries;
130 }
131 if (equalChunks) {
132 int sSize = track->cluster[0].size/track->cluster[0].entries;
133 put_be32(pb, sSize); // sample size
134 put_be32(pb, entries); // sample count
135 }
136 else {
137 put_be32(pb, 0); // sample size
138 put_be32(pb, entries); // sample count
139 for (i=0; i<track->entry; i++) {
140 for ( j=0; j<track->cluster[i].entries; j++) {
141 put_be32(pb, track->cluster[i].size /
142 track->cluster[i].entries);
143 }
144 }
145 }
146 return updateSize (pb, pos);
147 }
148
149 /* Sample to chunk atom */
150 static int mov_write_stsc_tag(ByteIOContext *pb, MOVTrack* track)
151 {
152 int index = 0, oldval = -1, i;
153 offset_t entryPos, curpos;
154
155 offset_t pos = url_ftell(pb);
156 put_be32(pb, 0); /* size */
157 put_tag(pb, "stsc");
158 put_be32(pb, 0); // version & flags
159 entryPos = url_ftell(pb);
160 put_be32(pb, track->entry); // entry count
161 for (i=0; i<track->entry; i++) {
162 if(oldval != track->cluster[i].samplesInChunk)
163 {
164 put_be32(pb, i+1); // first chunk
165 put_be32(pb, track->cluster[i].samplesInChunk); // samples per chunk
166 put_be32(pb, 0x1); // sample description index
167 oldval = track->cluster[i].samplesInChunk;
168 index++;
169 }
170 }
171 curpos = url_ftell(pb);
172 url_fseek(pb, entryPos, SEEK_SET);
173 put_be32(pb, index); // rewrite size
174 url_fseek(pb, curpos, SEEK_SET);
175
176 return updateSize (pb, pos);
177 }
178
179 /* Sync sample atom */
180 static int mov_write_stss_tag(ByteIOContext *pb, MOVTrack* track)
181 {
182 offset_t curpos, entryPos;
183 int i, index = 0;
184 offset_t pos = url_ftell(pb);
185 put_be32(pb, 0); // size
186 put_tag(pb, "stss");
187 put_be32(pb, 0); // version & flags
188 entryPos = url_ftell(pb);
189 put_be32(pb, track->entry); // entry count
190 for (i=0; i<track->entry; i++) {
191 if(track->cluster[i].key_frame == 1) {
192 put_be32(pb, i+1);
193 index++;
194 }
195 }
196 curpos = url_ftell(pb);
197 url_fseek(pb, entryPos, SEEK_SET);
198 put_be32(pb, index); // rewrite size
199 url_fseek(pb, curpos, SEEK_SET);
200 return updateSize (pb, pos);
201 }
202
203 static int mov_write_amr_tag(ByteIOContext *pb, MOVTrack *track)
204 {
205 put_be32(pb, 0x11); /* size */
206 if (track->mode == MODE_MOV) put_tag(pb, "samr");
207 else put_tag(pb, "damr");
208 put_tag(pb, "FFMP");
209 put_byte(pb, 0); /* decoder version */
210
211 put_be16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
212 put_byte(pb, 0x00); /* Mode change period (no restriction) */
213 put_byte(pb, 0x01); /* Frames per sample */
214 return 0x11;
215 }
216
217 static int mov_write_enda_tag(ByteIOContext *pb)
218 {
219 put_be32(pb, 10);
220 put_tag(pb, "enda");
221 put_be16(pb, 1); /* little endian */
222 return 10;
223 }
224
225 static unsigned int descrLength(unsigned int len)
226 {
227 int i;
228 for(i=1; len>>(7*i); i++);
229 return len + 1 + i;
230 }
231
232 static void putDescr(ByteIOContext *pb, int tag, unsigned int size)
233 {
234 int i= descrLength(size) - size - 2;
235 put_byte(pb, tag);
236 for(; i>0; i--)
237 put_byte(pb, (size>>(7*i)) | 0x80);
238 put_byte(pb, size & 0x7F);
239 }
240
241 static int mov_write_esds_tag(ByteIOContext *pb, MOVTrack* track) // Basic
242 {
243 offset_t pos = url_ftell(pb);
244 int decoderSpecificInfoLen = track->vosLen ? descrLength(track->vosLen):0;
245
246 put_be32(pb, 0); // size
247 put_tag(pb, "esds");
248 put_be32(pb, 0); // Version
249
250 // ES descriptor
251 putDescr(pb, 0x03, 3 + descrLength(13 + decoderSpecificInfoLen) +
252 descrLength(1));
253 put_be16(pb, track->trackID);
254 put_byte(pb, 0x00); // flags (= no flags)
255
256 // DecoderConfig descriptor
257 putDescr(pb, 0x04, 13 + decoderSpecificInfoLen);
258
259 // Object type indication
260 put_byte(pb, codec_get_tag(ff_mov_obj_type, track->enc->codec_id));
261
262 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
263 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
264 if(track->enc->codec_type == CODEC_TYPE_AUDIO)
265 put_byte(pb, 0x15); // flags (= Audiostream)
266 else
267 put_byte(pb, 0x11); // flags (= Visualstream)
268
269 put_byte(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits)
270 put_be16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB
271
272 put_be32(pb, FFMAX(track->enc->bit_rate, track->enc->rc_max_rate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
273 if(track->enc->rc_max_rate != track->enc->rc_min_rate || track->enc->rc_min_rate==0)
274 put_be32(pb, 0); // vbr
275 else
276 put_be32(pb, track->enc->rc_max_rate); // avg bitrate
277
278 if (track->vosLen)
279 {
280 // DecoderSpecific info descriptor
281 putDescr(pb, 0x05, track->vosLen);
282 put_buffer(pb, track->vosData, track->vosLen);
283 }
284
285
286 // SL descriptor
287 putDescr(pb, 0x06, 1);
288 put_byte(pb, 0x02);
289 return updateSize (pb, pos);
290 }
291
292 static int mov_write_wave_tag(ByteIOContext *pb, MOVTrack* track)
293 {
294 offset_t pos = url_ftell(pb);
295
296 put_be32(pb, 0); /* size */
297 put_tag(pb, "wave");
298
299 put_be32(pb, 12); /* size */
300 put_tag(pb, "frma");
301 put_le32(pb, track->tag);
302
303 if (track->enc->codec_id == CODEC_ID_AAC) {
304 /* useless atom needed by mplayer, ipod, not needed by quicktime */
305 put_be32(pb, 12); /* size */
306 put_tag(pb, "mp4a");
307 put_be32(pb, 0);
308 mov_write_esds_tag(pb, track);
309 } else if (track->enc->codec_id == CODEC_ID_PCM_S24LE ||
310 track->enc->codec_id == CODEC_ID_PCM_S32LE) {
311 mov_write_enda_tag(pb);
312 } else if (track->enc->codec_id == CODEC_ID_AMR_NB) {
313 mov_write_amr_tag(pb, track);
314 }
315
316 put_be32(pb, 8); /* size */
317 put_be32(pb, 0); /* null tag */
318
319 return updateSize (pb, pos);
320 }
321
322 static const CodecTag codec_movaudio_tags[] = {
323 { CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') },
324 { CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') },
325 { CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') },
326 { CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') },
327 { CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') },
328 { CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
329 { CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') },
330 { CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') },
331 { CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') },
332 { CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') },
333 { CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
334 { CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
335 { CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
336 { CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') },
337 { CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') },
338 { CODEC_ID_NONE, 0 },
339 };
340
341 static int mov_write_audio_tag(ByteIOContext *pb, MOVTrack* track)
342 {
343 offset_t pos = url_ftell(pb);
344 int vbr= track->mode == MODE_MOV &&
345 (track->enc->codec_id == CODEC_ID_AAC ||
346 track->enc->codec_id == CODEC_ID_MP3 ||
347 track->enc->codec_id == CODEC_ID_AMR_NB);
348 int version = vbr ||
349 track->enc->codec_id == CODEC_ID_PCM_S32LE ||
350 track->enc->codec_id == CODEC_ID_PCM_S24LE;
351
352 put_be32(pb, 0); /* size */
353 put_le32(pb, track->tag); // store it byteswapped
354 put_be32(pb, 0); /* Reserved */
355 put_be16(pb, 0); /* Reserved */
356 put_be16(pb, 1); /* Data-reference index, XXX == 1 */
357
358 /* SoundDescription */
359 put_be16(pb, version); /* Version */
360 put_be16(pb, 0); /* Revision level */
361 put_be32(pb, 0); /* Reserved */
362
363 put_be16(pb, track->mode == MODE_MOV ? track->enc->channels : 2); /* Number of channels */
364 /* FIXME 8 bit for 'raw ' in mov */
365 put_be16(pb, 16); /* Reserved */
366
367 put_be16(pb, vbr ? 0xfffe : 0); /* compression ID */
368 put_be16(pb, 0); /* packet size (= 0) */
369 put_be16(pb, track->timescale); /* Time scale */
370 put_be16(pb, 0); /* Reserved */
371
372 if(version == 1) { /* SoundDescription V1 extended info */
373 if (vbr)
374 track->sampleSize = 0;
375 put_be32(pb, track->enc->frame_size); /* Samples per packet */
376 put_be32(pb, track->sampleSize / track->enc->channels); /* Bytes per packet */
377 put_be32(pb, track->sampleSize); /* Bytes per frame */
378 put_be32(pb, 2); /* Bytes per sample */
379 }
380
381 if(track->mode == MODE_MOV &&
382 (track->enc->codec_id == CODEC_ID_AAC ||
383 track->enc->codec_id == CODEC_ID_AMR_NB ||
384 track->enc->codec_id == CODEC_ID_PCM_S24LE ||
385 track->enc->codec_id == CODEC_ID_PCM_S32LE))
386 mov_write_wave_tag(pb, track);
387 else if(track->enc->codec_id == CODEC_ID_AAC)
388 mov_write_esds_tag(pb, track);
389 else if(track->enc->codec_id == CODEC_ID_AMR_NB)
390 mov_write_amr_tag(pb, track);
391
392 return updateSize (pb, pos);
393 }
394
395 static int mov_write_d263_tag(ByteIOContext *pb)
396 {
397 put_be32(pb, 0xf); /* size */
398 put_tag(pb, "d263");
399 put_tag(pb, "FFMP");
400 put_byte(pb, 0); /* decoder version */
401 /* FIXME use AVCodecContext level/profile, when encoder will set values */
402 put_byte(pb, 0xa); /* level */
403 put_byte(pb, 0); /* profile */
404 return 0xf;
405 }
406
407 /* TODO: No idea about these values */
408 static int mov_write_svq3_tag(ByteIOContext *pb)
409 {
410 put_be32(pb, 0x15);
411 put_tag(pb, "SMI ");
412 put_tag(pb, "SEQH");
413 put_be32(pb, 0x5);
414 put_be32(pb, 0xe2c0211d);
415 put_be32(pb, 0xc0000000);
416 put_byte(pb, 0);
417 return 0x15;
418 }
419
420 static uint8_t *avc_find_startcode( uint8_t *p, uint8_t *end )
421 {
422 uint8_t *a = p + 4 - ((int)p & 3);
423
424 for( end -= 3; p < a && p < end; p++ ) {
425 if( p[0] == 0 && p[1] == 0 && p[2] == 1 )
426 return p;
427 }
428
429 for( end -= 3; p < end; p += 4 ) {
430 uint32_t x = *(uint32_t*)p;
431 // if( (x - 0x01000100) & (~x) & 0x80008000 ) // little endian
432 // if( (x - 0x00010001) & (~x) & 0x00800080 ) // big endian
433 if( (x - 0x01010101) & (~x) & 0x80808080 ) { // generic
434 if( p[1] == 0 ) {
435 if( p[0] == 0 && p[2] == 1 )
436 return p-1;
437 if( p[2] == 0 && p[3] == 1 )
438 return p;
439 }
440 if( p[3] == 0 ) {
441 if( p[2] == 0 && p[4] == 1 )
442 return p+1;
443 if( p[4] == 0 && p[5] == 1 )
444 return p+2;
445 }
446 }
447 }
448
449 for( end += 3; p < end; p++ ) {
450 if( p[0] == 0 && p[1] == 0 && p[2] == 1 )
451 return p;
452 }
453
454 return end + 3;
455 }
456
457 static void avc_parse_nal_units(uint8_t **buf, int *size)
458 {
459 ByteIOContext pb;
460 uint8_t *p = *buf;
461 uint8_t *end = p + *size;
462 uint8_t *nal_start, *nal_end;
463
464 url_open_dyn_buf(&pb);
465 nal_start = avc_find_startcode(p, end);
466 while (nal_start < end) {
467 while(!*(nal_start++));
468 nal_end = avc_find_startcode(nal_start, end);
469 put_be32(&pb, nal_end - nal_start);
470 put_buffer(&pb, nal_start, nal_end - nal_start);
471 nal_start = nal_end;
472 }
473 av_freep(buf);
474 *size = url_close_dyn_buf(&pb, buf);
475 }
476
477 static int mov_write_avcc_tag(ByteIOContext *pb, MOVTrack *track)
478 {
479 offset_t pos = url_ftell(pb);
480
481 put_be32(pb, 0);
482 put_tag(pb, "avcC");
483 if (track->vosLen > 6) {
484 /* check for h264 start code */
485 if (BE_32(track->vosData) == 0x00000001) {
486 uint8_t *buf, *end;
487 uint32_t sps_size=0, pps_size=0;
488 uint8_t *sps=0, *pps=0;
489
490 avc_parse_nal_units(&track->vosData, &track->vosLen);
491 buf = track->vosData;
492 end = track->vosData + track->vosLen;
493
494 /* look for sps and pps */
495 while (buf < end) {
496 unsigned int size;
497 uint8_t nal_type;
498 size = BE_32(buf);
499 nal_type = buf[4] & 0x1f;
500 if (nal_type == 7) { /* SPS */
501 sps = buf + 4;
502 sps_size = size;
503 } else if (nal_type == 8) { /* PPS */
504 pps = buf + 4;
505 pps_size = size;
506 }
507 buf += size + 4;
508 }
509 assert(sps);
510 assert(pps);
511
512 put_byte(pb, 1); /* version */
513 put_byte(pb, sps[1]); /* profile */
514 put_byte(pb, sps[2]); /* profile compat */
515 put_byte(pb, sps[3]); /* level */
516 put_byte(pb, 0xff); /* 6 bits reserved (111111) + 2 bits nal size length - 1 (11) */
517 put_byte(pb, 0xe1); /* 3 bits reserved (111) + 5 bits number of sps (00001) */
518
519 put_be16(pb, sps_size);
520 put_buffer(pb, sps, sps_size);
521 put_byte(pb, 1); /* number of pps */
522 put_be16(pb, pps_size);
523 put_buffer(pb, pps, pps_size);
524 } else {
525 put_buffer(pb, track->vosData, track->vosLen);
526 }
527 }
528 return updateSize(pb, pos);
529 }
530
531 static const CodecTag codec_movvideo_tags[] = {
532 { CODEC_ID_SVQ1, MKTAG('S', 'V', 'Q', '1') },
533 { CODEC_ID_SVQ3, MKTAG('S', 'V', 'Q', '3') },
534 { CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
535 { CODEC_ID_H263, MKTAG('h', '2', '6', '3') },
536 { CODEC_ID_H263, MKTAG('s', '2', '6', '3') },
537 { CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') },
538 /* special handling in mov_find_video_codec_tag */
539 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') }, /* DV NTSC */
540 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 'p') }, /* DV PAL */
541 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'p', 'p') }, /* DVCPRO PAL */
542 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'n') }, /* DVCPRO50 NTSC */
543 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'p') }, /* DVCPRO50 PAL */
544 { CODEC_ID_NONE, 0 },
545 };
546
547 static int mov_find_video_codec_tag(AVFormatContext *s, MOVTrack *track)
548 {
549 int tag = track->enc->codec_tag;
550 if (!tag) {
551 if (track->enc->codec_id == CODEC_ID_DVVIDEO) {
552 if (track->enc->height == 480) { /* NTSC */
553 if (track->enc->pix_fmt == PIX_FMT_YUV422P)
554 tag = MKTAG('d', 'v', '5', 'n');
555 else
556 tag = MKTAG('d', 'v', 'c', ' ');
557 } else { /* assume PAL */
558 if (track->enc->pix_fmt == PIX_FMT_YUV422P)
559 tag = MKTAG('d', 'v', '5', 'p');
560 else if (track->enc->pix_fmt == PIX_FMT_YUV420P)
561 tag = MKTAG('d', 'v', 'c', 'p');
562 else
563 tag = MKTAG('d', 'v', 'p', 'p');
564 }
565 } else if (track->enc->codec_id == CODEC_ID_H263) {
566 if (track->mode == MODE_MOV)
567 tag = MKTAG('h', '2', '6', '3');
568 else
569 tag = MKTAG('s', '2', '6', '3');
570 } else {
571 tag = codec_get_tag(codec_movvideo_tags, track->enc->codec_id);
572 }
573 }
574 // if no mac fcc found, try with Microsoft tags
575 if (!tag) {
576 tag = codec_get_tag(codec_bmp_tags, track->enc->codec_id);
577 if (tag) {
578 av_log(s, AV_LOG_INFO, "Warning, using MS style video codec tag, the file may be unplayable!\n");
579 }
580 }
581 assert(tag);
582 return tag;
583 }
584
585 static int mov_find_audio_codec_tag(AVFormatContext *s, MOVTrack *track)
586 {
587 int tag = track->enc->codec_tag;
588 if (!tag) {
589 tag = codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
590 }
591 // if no mac fcc found, try with Microsoft tags
592 if (!tag) {
593 int ms_tag = codec_get_tag(codec_wav_tags, track->enc->codec_id);
594 if (ms_tag) {
595 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
596 av_log(s, AV_LOG_INFO, "Warning, using MS style audio codec tag, the file may be unplayable!\n");
597 }
598 }
599 assert(tag);
600 return tag;
601 }
602
603 static int mov_write_video_tag(ByteIOContext *pb, MOVTrack* track)
604 {
605 offset_t pos = url_ftell(pb);
606 char compressor_name[32];
607
608 put_be32(pb, 0); /* size */
609 put_le32(pb, track->tag); // store it byteswapped
610 put_be32(pb, 0); /* Reserved */
611 put_be16(pb, 0); /* Reserved */
612 put_be16(pb, 1); /* Data-reference index */
613
614 put_be16(pb, 0); /* Codec stream version */
615 put_be16(pb, 0); /* Codec stream revision (=0) */
616 if (track->mode == MODE_MOV) {
617 put_tag(pb, "FFMP"); /* Vendor */
618 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
619 put_be32(pb, 0); /* Temporal Quality */
620 put_be32(pb, 0x400); /* Spatial Quality = lossless*/
621 } else {
622 put_be32(pb, 0x200); /* Temporal Quality = normal */
623 put_be32(pb, 0x200); /* Spatial Quality = normal */
624 }
625 } else {
626 put_be32(pb, 0); /* Reserved */
627 put_be32(pb, 0); /* Reserved */
628 put_be32(pb, 0); /* Reserved */
629 }
630 put_be16(pb, track->enc->width); /* Video width */
631 put_be16(pb, track->enc->height); /* Video height */
632 put_be32(pb, 0x00480000); /* Horizontal resolution 72dpi */
633 put_be32(pb, 0x00480000); /* Vertical resolution 72dpi */
634 put_be32(pb, 0); /* Data size (= 0) */
635 put_be16(pb, 1); /* Frame count (= 1) */
636
637 memset(compressor_name,0,32);
638 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
639 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
640 strncpy(compressor_name,track->enc->codec->name,31);
641 put_byte(pb, strlen(compressor_name));
642 put_buffer(pb, compressor_name, 31);
643
644 put_be16(pb, 0x18); /* Reserved */
645 put_be16(pb, 0xffff); /* Reserved */
646 if(track->enc->codec_id == CODEC_ID_MPEG4)
647 mov_write_esds_tag(pb, track);
648 else if(track->enc->codec_id == CODEC_ID_H263)
649 mov_write_d263_tag(pb);
650 else if(track->enc->codec_id == CODEC_ID_SVQ3)
651 mov_write_svq3_tag(pb);
652 else if(track->enc->codec_id == CODEC_ID_H264)
653 mov_write_avcc_tag(pb, track);
654
655 return updateSize (pb, pos);
656 }
657
658 static int mov_write_stsd_tag(ByteIOContext *pb, MOVTrack* track)
659 {
660 offset_t pos = url_ftell(pb);
661 put_be32(pb, 0); /* size */
662 put_tag(pb, "stsd");
663 put_be32(pb, 0); /* version & flags */
664 put_be32(pb, 1); /* entry count */
665 if (track->enc->codec_type == CODEC_TYPE_VIDEO)
666 mov_write_video_tag(pb, track);
667 else if (track->enc->codec_type == CODEC_TYPE_AUDIO)
668 mov_write_audio_tag(pb, track);
669 return updateSize(pb, pos);
670 }
671
672 static int mov_write_ctts_tag(ByteIOContext *pb, MOVTrack* track)
673 {
674 Time2Sample *ctts_entries;
675 uint32_t entries = 0;
676 uint32_t atom_size;
677 int i;
678
679 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
680 ctts_entries[0].count = 1;
681 ctts_entries[0].duration = track->cluster[0].cts;
682 for (i=1; i<track->entry; i++) {
683 if (track->cluster[i].cts == ctts_entries[entries].duration) {
684 ctts_entries[entries].count++; /* compress */
685 } else {
686 entries++;
687 ctts_entries[entries].duration = track->cluster[i].cts;
688 ctts_entries[entries].count = 1;
689 }
690 }
691 entries++; /* last one */
692 atom_size = 16 + (entries * 8);
693 put_be32(pb, atom_size); /* size */
694 put_tag(pb, "ctts");
695 put_be32(pb, 0); /* version & flags */
696 put_be32(pb, entries); /* entry count */
697 for (i=0; i<entries; i++) {
698 put_be32(pb, ctts_entries[i].count);
699 put_be32(pb, ctts_entries[i].duration);
700 }
701 av_free(ctts_entries);
702 return atom_size;
703 }
704
705 /* TODO: */
706 /* Time to sample atom */
707 static int mov_write_stts_tag(ByteIOContext *pb, MOVTrack* track)
708 {
709 put_be32(pb, 0x18); /* size */
710 put_tag(pb, "stts");
711 put_be32(pb, 0); /* version & flags */
712 put_be32(pb, 1); /* entry count */
713
714 put_be32(pb, track->sampleCount); /* sample count */
715 put_be32(pb, track->sampleDuration); /* sample duration */
716 return 0x18;
717 }
718
719 static int mov_write_dref_tag(ByteIOContext *pb)
720 {
721 put_be32(pb, 28); /* size */
722 put_tag(pb, "dref");
723 put_be32(pb, 0); /* version & flags */
724 put_be32(pb, 1); /* entry count */
725
726 put_be32(pb, 0xc); /* size */
727 put_tag(pb, "url ");
728 put_be32(pb, 1); /* version & flags */
729
730 return 28;
731 }
732
733 static int mov_write_stbl_tag(ByteIOContext *pb, MOVTrack* track)
734 {
735 offset_t pos = url_ftell(pb);
736 put_be32(pb, 0); /* size */
737 put_tag(pb, "stbl");
738 mov_write_stsd_tag(pb, track);
739 mov_write_stts_tag(pb, track);
740 if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
741 track->hasKeyframes < track->entry)
742 mov_write_stss_tag(pb, track);
743 if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
744 track->hasBframes)
745 mov_write_ctts_tag(pb, track);
746 mov_write_stsc_tag(pb, track);
747 mov_write_stsz_tag(pb, track);
748 mov_write_stco_tag(pb, track);
749 return updateSize(pb, pos);
750 }
751
752 static int mov_write_dinf_tag(ByteIOContext *pb)
753 {
754 offset_t pos = url_ftell(pb);
755 put_be32(pb, 0); /* size */
756 put_tag(pb, "dinf");
757 mov_write_dref_tag(pb);
758 return updateSize(pb, pos);
759 }
760
761 static int mov_write_smhd_tag(ByteIOContext *pb)
762 {
763 put_be32(pb, 16); /* size */
764 put_tag(pb, "smhd");
765 put_be32(pb, 0); /* version & flags */
766 put_be16(pb, 0); /* reserved (balance, normally = 0) */
767 put_be16(pb, 0); /* reserved */
768 return 16;
769 }
770
771 static int mov_write_vmhd_tag(ByteIOContext *pb)
772 {
773 put_be32(pb, 0x14); /* size (always 0x14) */
774 put_tag(pb, "vmhd");
775 put_be32(pb, 0x01); /* version & flags */
776 put_be64(pb, 0); /* reserved (graphics mode = copy) */
777 return 0x14;
778 }
779
780 static int mov_write_hdlr_tag(ByteIOContext *pb, MOVTrack* track)
781 {
782 const char *descr, *hdlr, *hdlr_type;
783 offset_t pos = url_ftell(pb);
784
785 if (!track) { /* no media --> data handler */
786 hdlr = "dhlr";
787 hdlr_type = "url ";
788 descr = "DataHandler";
789 } else {
790 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
791 if (track->enc->codec_type == CODEC_TYPE_VIDEO) {
792 hdlr_type = "vide";
793 descr = "VideoHandler";
794 } else {
795 hdlr_type = "soun";
796 descr = "SoundHandler";
797 }
798 }
799
800 put_be32(pb, 0); /* size */
801 put_tag(pb, "hdlr");
802 put_be32(pb, 0); /* Version & flags */
803 put_buffer(pb, hdlr, 4); /* handler */
804 put_tag(pb, hdlr_type); /* handler type */
805 put_be32(pb ,0); /* reserved */
806 put_be32(pb ,0); /* reserved */
807 put_be32(pb ,0); /* reserved */
808 put_byte(pb, strlen(descr)); /* string counter */
809 put_buffer(pb, descr, strlen(descr)); /* handler description */
810 return updateSize(pb, pos);
811 }
812
813 static int mov_write_minf_tag(ByteIOContext *pb, MOVTrack* track)
814 {
815 offset_t pos = url_ftell(pb);
816 put_be32(pb, 0); /* size */
817 put_tag(pb, "minf");
818 if(track->enc->codec_type == CODEC_TYPE_VIDEO)
819 mov_write_vmhd_tag(pb);
820 else
821 mov_write_smhd_tag(pb);
822 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
823 mov_write_hdlr_tag(pb, NULL);
824 mov_write_dinf_tag(pb);
825 mov_write_stbl_tag(pb, track);
826 return updateSize(pb, pos);
827 }
828
829 static int mov_write_mdhd_tag(ByteIOContext *pb, MOVTrack* track)
830 {
831 int version = track->trackDuration < INT32_MAX ? 0 : 1;
832
833 (version == 1) ? put_be32(pb, 44) : put_be32(pb, 32); /* size */
834 put_tag(pb, "mdhd");
835 put_byte(pb, version);
836 put_be24(pb, 0); /* flags */
837 if (version == 1) {
838 put_be64(pb, track->time);
839 put_be64(pb, track->time);
840 } else {
841 put_be32(pb, track->time); /* creation time */
842 put_be32(pb, track->time); /* modification time */
843 }
844 put_be32(pb, track->timescale); /* time scale (sample rate for audio) */
845 (version == 1) ? put_be64(pb, track->trackDuration) : put_be32(pb, track->trackDuration); /* duration */
846 put_be16(pb, track->language); /* language */
847 put_be16(pb, 0); /* reserved (quality) */
848 return 32;
849 }
850
851 static int mov_write_mdia_tag(ByteIOContext *pb, MOVTrack* track)
852 {
853 offset_t pos = url_ftell(pb);
854 put_be32(pb, 0); /* size */
855 put_tag(pb, "mdia");
856 mov_write_mdhd_tag(pb, track);
857 mov_write_hdlr_tag(pb, track);
858 mov_write_minf_tag(pb, track);
859 return updateSize(pb, pos);
860 }
861
862 static int mov_write_tkhd_tag(ByteIOContext *pb, MOVTrack* track)
863 {
864 int64_t duration = av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP);
865 int version = duration < INT32_MAX ? 0 : 1;
866
867 (version == 1) ? put_be32(pb, 104) : put_be32(pb, 92); /* size */
868 put_tag(pb, "tkhd");
869 put_byte(pb, version);
870 put_be24(pb, 0xf); /* flags (track enabled) */
871 if (version == 1) {
872 put_be64(pb, track->time);
873 put_be64(pb, track->time);
874 } else {
875 put_be32(pb, track->time); /* creation time */
876 put_be32(pb, track->time); /* modification time */
877 }
878 put_be32(pb, track->trackID); /* track-id */
879 put_be32(pb, 0); /* reserved */
880 (version == 1) ? put_be64(pb, duration) : put_be32(pb, duration);
881
882 put_be32(pb, 0); /* reserved */
883 put_be32(pb, 0); /* reserved */
884 put_be32(pb, 0x0); /* reserved (Layer & Alternate group) */
885 /* Volume, only for audio */
886 if(track->enc->codec_type == CODEC_TYPE_AUDIO)
887 put_be16(pb, 0x0100);
888 else
889 put_be16(pb, 0);
890 put_be16(pb, 0); /* reserved */
891
892 /* Matrix structure */
893 put_be32(pb, 0x00010000); /* reserved */
894 put_be32(pb, 0x0); /* reserved */
895 put_be32(pb, 0x0); /* reserved */
896 put_be32(pb, 0x0); /* reserved */
897 put_be32(pb, 0x00010000); /* reserved */
898 put_be32(pb, 0x0); /* reserved */
899 put_be32(pb, 0x0); /* reserved */
900 put_be32(pb, 0x0); /* reserved */
901 put_be32(pb, 0x40000000); /* reserved */
902
903 /* Track width and height, for visual only */
904 if(track->enc->codec_type == CODEC_TYPE_VIDEO) {
905 double sample_aspect_ratio = av_q2d(track->enc->sample_aspect_ratio);
906 if( !sample_aspect_ratio ) sample_aspect_ratio = 1;
907 put_be32(pb, sample_aspect_ratio * track->enc->width*0x10000);
908 put_be32(pb, track->enc->height*0x10000);
909 }
910 else {
911 put_be32(pb, 0);
912 put_be32(pb, 0);
913 }
914 return 0x5c;
915 }
916
917 // This box seems important for the psp playback ... without it the movie seems to hang
918 static int mov_write_edts_tag(ByteIOContext *pb, MOVTrack *track)
919 {
920 put_be32(pb, 0x24); /* size */
921 put_tag(pb, "edts");
922 put_be32(pb, 0x1c); /* size */
923 put_tag(pb, "elst");
924 put_be32(pb, 0x0);
925 put_be32(pb, 0x1);
926
927 put_be32(pb, av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP)); /* duration ... doesn't seem to effect psp */
928
929 put_be32(pb, track->cluster[0].cts); /* first pts is cts since dts is 0 */
930 put_be32(pb, 0x00010000);
931 return 0x24;
932 }
933
934 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
935 static int mov_write_uuid_tag_psp(ByteIOContext *pb, MOVTrack *mov)
936 {
937 put_be32(pb, 0x34); /* size ... reports as 28 in mp4box! */
938 put_tag(pb, "uuid");
939 put_tag(pb, "USMT");
940 put_be32(pb, 0x21d24fce);
941 put_be32(pb, 0xbb88695c);
942 put_be32(pb, 0xfac9c740);
943 put_be32(pb, 0x1c); // another size here!
944 put_tag(pb, "MTDT");
945 put_be32(pb, 0x00010012);
946 put_be32(pb, 0x0a);
947 put_be32(pb, 0x55c40000);
948 put_be32(pb, 0x1);
949 put_be32(pb, 0x0);
950 return 0x34;
951 }
952
953 static int mov_write_trak_tag(ByteIOContext *pb, MOVTrack* track)
954 {
955 offset_t pos = url_ftell(pb);
956 put_be32(pb, 0); /* size */
957 put_tag(pb, "trak");
958 mov_write_tkhd_tag(pb, track);
959 if (track->mode == MODE_PSP || track->hasBframes)
960 mov_write_edts_tag(pb, track); // PSP Movies require edts box
961 mov_write_mdia_tag(pb, track);
962 if (track->mode == MODE_PSP)
963 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
964 return updateSize(pb, pos);
965 }
966
967 #if 0
968 /* TODO: Not sorted out, but not necessary either */
969 static int mov_write_iods_tag(ByteIOContext *pb, MOVContext *mov)
970 {
971 put_be32(pb, 0x15); /* size */
972 put_tag(pb, "iods");
973 put_be32(pb, 0); /* version & flags */
974 put_be16(pb, 0x1007);
975 put_byte(pb, 0);
976 put_be16(pb, 0x4fff);
977 put_be16(pb, 0xfffe);
978 put_be16(pb, 0x01ff);
979 return 0x15;
980 }
981 #endif
982
983 static int mov_write_mvhd_tag(ByteIOContext *pb, MOVContext *mov)
984 {
985 int maxTrackID = 1, i;
986 int64_t maxTrackLenTemp, maxTrackLen = 0;
987 int version;
988
989 for (i=0; i<mov->nb_streams; i++) {
990 if(mov->tracks[i].entry > 0) {
991 maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration, globalTimescale, mov->tracks[i].timescale, AV_ROUND_UP);
992 if(maxTrackLen < maxTrackLenTemp)
993 maxTrackLen = maxTrackLenTemp;
994 if(maxTrackID < mov->tracks[i].trackID)
995 maxTrackID = mov->tracks[i].trackID;
996 }
997 }
998
999 version = maxTrackLen < UINT32_MAX ? 0 : 1;
1000 (version == 1) ? put_be32(pb, 120) : put_be32(pb, 108); /* size */
1001 put_tag(pb, "mvhd");
1002 put_byte(pb, version);
1003 put_be24(pb, 0); /* flags */
1004 if (version == 1) {
1005 put_be64(pb, mov->time);
1006 put_be64(pb, mov->time);
1007 } else {
1008 put_be32(pb, mov->time); /* creation time */
1009 put_be32(pb, mov->time); /* modification time */
1010 }
1011 put_be32(pb, mov->timescale); /* timescale */
1012 (version == 1) ? put_be64(pb, maxTrackLen) : put_be32(pb, maxTrackLen); /* duration of longest track */
1013
1014 put_be32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1015 put_be16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1016 put_be16(pb, 0); /* reserved */
1017 put_be32(pb, 0); /* reserved */
1018 put_be32(pb, 0); /* reserved */
1019
1020 /* Matrix structure */
1021 put_be32(pb, 0x00010000); /* reserved */
1022 put_be32(pb, 0x0); /* reserved */
1023 put_be32(pb, 0x0); /* reserved */
1024 put_be32(pb, 0x0); /* reserved */
1025 put_be32(pb, 0x00010000); /* reserved */
1026 put_be32(pb, 0x0); /* reserved */
1027 put_be32(pb, 0x0); /* reserved */
1028 put_be32(pb, 0x0); /* reserved */
1029 put_be32(pb, 0x40000000); /* reserved */
1030
1031 put_be32(pb, 0); /* reserved (preview time) */
1032 put_be32(pb, 0); /* reserved (preview duration) */
1033 put_be32(pb, 0); /* reserved (poster time) */
1034 put_be32(pb, 0); /* reserved (selection time) */
1035 put_be32(pb, 0); /* reserved (selection duration) */
1036 put_be32(pb, 0); /* reserved (current time) */
1037 put_be32(pb, maxTrackID+1); /* Next track id */
1038 return 0x6c;
1039 }
1040
1041 static int mov_write_itunes_hdlr_tag(ByteIOContext *pb, MOVContext* mov,
1042 AVFormatContext *s)
1043 {
1044 offset_t pos = url_ftell(pb);
1045 put_be32(pb, 0); /* size */
1046 put_tag(pb, "hdlr");
1047 put_be32(pb, 0);
1048 put_be32(pb, 0);
1049 put_tag(pb, "mdir");
1050 put_tag(pb, "appl");
1051 put_be32(pb, 0);
1052 put_be32(pb, 0);
1053 put_be16(pb, 0);
1054 return updateSize(pb, pos);
1055 }
1056
1057 /* helper function to write a data tag with the specified string as data */
1058 static int mov_write_string_data_tag(ByteIOContext *pb, const char *data, int long_style)
1059 {
1060 if(long_style){
1061 offset_t pos = url_ftell(pb);
1062 put_be32(pb, 0); /* size */
1063 put_tag(pb, "data");
1064 put_be32(pb, 1);
1065 put_be32(pb, 0);
1066 put_buffer(pb, data, strlen(data));
1067 return updateSize(pb, pos);
1068 }else{
1069 put_be16(pb, strlen(data)); /* string length */
1070 put_be16(pb, 0);
1071 put_buffer(pb, data, strlen(data));
1072 return strlen(data) + 4;
1073 }
1074 }
1075
1076 static int mov_write_string_tag(ByteIOContext *pb, const char *name, const char *value, int long_style){
1077 int size = 0;
1078 if ( value && value[0] ) {
1079 offset_t pos = url_ftell(pb);
1080 put_be32(pb, 0); /* size */
1081 put_tag(pb, name);
1082 mov_write_string_data_tag(pb, value, long_style);
1083 size= updateSize(pb, pos);
1084 }
1085 return size;
1086 }
1087
1088 /* iTunes year */
1089 static int mov_write_day_tag(ByteIOContext *pb, int year, int long_style)
1090 {
1091 if(year){
1092 char year_str[5];
1093 snprintf(year_str, sizeof(year_str), "%04d", year);
1094 return mov_write_string_tag(pb, "\251day", year_str, long_style);
1095 }else
1096 return 0;
1097 }
1098
1099 /* iTunes track number */
1100 static int mov_write_trkn_tag(ByteIOContext *pb, MOVContext* mov,
1101 AVFormatContext *s)
1102 {
1103 int size = 0;
1104 if ( s->track ) {
1105 offset_t pos = url_ftell(pb);
1106 put_be32(pb, 0); /* size */
1107 put_tag(pb, "trkn");
1108 {
1109 offset_t pos = url_ftell(pb);
1110 put_be32(pb, 0); /* size */
1111 put_tag(pb, "data");
1112 put_be32(pb, 0); // 8 bytes empty
1113 put_be32(pb, 0);
1114 put_be16(pb, 0); // empty
1115 put_be16(pb, s->track); // track number
1116 put_be16(pb, 0); // total track number
1117 put_be16(pb, 0); // empty
1118 updateSize(pb, pos);
1119 }
1120 size = updateSize(pb, pos);
1121 }
1122 return size;
1123 }
1124
1125 /* iTunes meta data list */
1126 static int mov_write_ilst_tag(ByteIOContext *pb, MOVContext* mov,
1127 AVFormatContext *s)
1128 {
1129 offset_t pos = url_ftell(pb);
1130 put_be32(pb, 0); /* size */
1131 put_tag(pb, "ilst");
1132 mov_write_string_tag(pb, "\251nam", s->title , 1);
1133 mov_write_string_tag(pb, "\251ART", s->author , 1);
1134 mov_write_string_tag(pb, "\251wrt", s->author , 1);
1135 mov_write_string_tag(pb, "\251alb", s->album , 1);
1136 mov_write_day_tag(pb, s->year ,1);
1137 if(mov->tracks[0].enc && !(mov->tracks[0].enc->flags & CODEC_FLAG_BITEXACT))
1138 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 1);
1139 mov_write_string_tag(pb, "\251cmt", s->comment , 1);
1140 mov_write_string_tag(pb, "\251gen", s->genre , 1);
1141 mov_write_trkn_tag(pb, mov, s);
1142 return updateSize(pb, pos);
1143 }
1144
1145 /* iTunes meta data tag */
1146 static int mov_write_meta_tag(ByteIOContext *pb, MOVContext* mov,
1147 AVFormatContext *s)
1148 {
1149 int size = 0;
1150
1151 // only save meta tag if required
1152 if ( s->title[0] || s->author[0] || s->album[0] || s->year ||
1153 s->comment[0] || s->genre[0] || s->track ) {
1154 offset_t pos = url_ftell(pb);
1155 put_be32(pb, 0); /* size */
1156 put_tag(pb, "meta");
1157 put_be32(pb, 0);
1158 mov_write_itunes_hdlr_tag(pb, mov, s);
1159 mov_write_ilst_tag(pb, mov, s);
1160 size = updateSize(pb, pos);
1161 }
1162 return size;
1163 }
1164
1165 static int mov_write_udta_tag(ByteIOContext *pb, MOVContext* mov,
1166 AVFormatContext *s)
1167 {
1168 offset_t pos = url_ftell(pb);
1169 int i;
1170
1171 put_be32(pb, 0); /* size */
1172 put_tag(pb, "udta");
1173
1174 /* iTunes meta data */
1175 mov_write_meta_tag(pb, mov, s);
1176
1177 if(mov->mode == MODE_MOV){ // the title field breaks gtkpod with mp4 and my suspicion is that stuff isnt valid in mp4
1178 /* Requirements */
1179 for (i=0; i<mov->nb_streams; i++) {
1180 if(mov->tracks[i].entry <= 0) continue;
1181 if (mov->tracks[i].enc->codec_id == CODEC_ID_AAC ||
1182 mov->tracks[i].enc->codec_id == CODEC_ID_MPEG4) {
1183 mov_write_string_tag(pb, "\251req", "QuickTime 6.0 or greater", 0);
1184 break;
1185 }
1186 }
1187
1188 mov_write_string_tag(pb, "\251nam", s->title , 0);
1189 mov_write_string_tag(pb, "\251aut", s->author , 0);
1190 mov_write_string_tag(pb, "\251alb", s->album , 0);
1191 mov_write_day_tag(pb, s->year, 0);
1192 if(mov->tracks[0].enc && !(mov->tracks[0].enc->flags & CODEC_FLAG_BITEXACT))
1193 mov_write_string_tag(pb, "\251enc", LIBAVFORMAT_IDENT, 0);
1194 mov_write_string_tag(pb, "\251des", s->comment , 0);
1195 mov_write_string_tag(pb, "\251gen", s->genre , 0);
1196 }
1197
1198 return updateSize(pb, pos);
1199 }
1200
1201
1202 static size_t ascii_to_wc (ByteIOContext *pb, char *b, size_t n)
1203 {
1204 size_t i;
1205 unsigned char c;
1206 for (i = 0; i < n - 1; i++) {
1207 c = b[i];
1208 if (! (0x20 <= c && c <= 0x7f ))
1209 c = 0x3f; /* '?' */
1210 put_be16(pb, c);
1211 }
1212 put_be16(pb, 0x00);
1213 return 2*n;
1214 }
1215
1216 static uint16_t language_code (const char *str)
1217 {
1218 return ((((str[0]-0x60) & 0x1F)<<10) + (((str[1]-0x60) & 0x1F)<<5) + ((str[2]-0x60) & 0x1F));
1219 }
1220
1221 static int mov_write_uuidusmt_tag (ByteIOContext *pb, AVFormatContext *s)
1222 {
1223 size_t len, size;
1224 offset_t pos, curpos;
1225
1226 size = 0;
1227 if (s->title[0]) {
1228 pos = url_ftell(pb);
1229 put_be32(pb, 0); /* size placeholder*/
1230 put_tag(pb, "uuid");
1231 put_tag(pb, "USMT");
1232 put_be32(pb, 0x21d24fce ); /* 96 bit UUID */
1233 put_be32(pb, 0xbb88695c );
1234 put_be32(pb, 0xfac9c740 );
1235 size += 24;
1236
1237 put_be32(pb, 0); /* size placeholder*/
1238 put_tag(pb, "MTDT");
1239 put_be16(pb, 4);
1240 size += 10;
1241
1242 // ?
1243 put_be16(pb, 0x0C); /* size */
1244 put_be32(pb, 0x0B); /* type */
1245 put_be16(pb, language_code("und")); /* language */
1246 put_be16(pb, 0x0); /* ? */
1247 put_be16(pb, 0x021C); /* data */
1248 size += 12;
1249
1250 // Encoder
1251 len = strlen(LIBAVCODEC_IDENT)+1;
1252 put_be16(pb, len*2+10); /* size */
1253 put_be32(pb, 0x04); /* type */
1254 put_be16(pb, language_code("eng")); /* language */
1255 put_be16(pb, 0x01); /* ? */
1256 ascii_to_wc(pb, LIBAVCODEC_IDENT, len);
1257 size += len*2+10;
1258
1259 // Title
1260 len = strlen(s->title)+1;
1261 put_be16(pb, len*2+10); /* size */
1262 put_be32(pb, 0x01); /* type */
1263 put_be16(pb, language_code("eng")); /* language */
1264 put_be16(pb, 0x01); /* ? */
1265 ascii_to_wc (pb, s->title, len);
1266 size += len*2+10;
1267
1268 // Date
1269 // 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);
1270 len = strlen("2006/04/01 11:11:11")+1;
1271 put_be16(pb, len*2+10); /* size */
1272 put_be32(pb, 0x03); /* type */
1273 put_be16(pb, language_code("und")); /* language */
1274 put_be16(pb, 0x01); /* ? */
1275 ascii_to_wc (pb, "2006/04/01 11:11:11", len);
1276 size += len*2+10;
1277
1278 // size
1279 curpos = url_ftell(pb);
1280 url_fseek(pb, pos, SEEK_SET);
1281 put_be32(pb, size);
1282 url_fseek(pb, pos+24, SEEK_SET);
1283 put_be32(pb, size-24);
1284 url_fseek(pb, curpos, SEEK_SET);
1285 }
1286
1287 return size;
1288 }
1289
1290 static int mov_write_moov_tag(ByteIOContext *pb, MOVContext *mov,
1291 AVFormatContext *s)
1292 {
1293 int i;
1294 offset_t pos = url_ftell(pb);
1295 put_be32(pb, 0); /* size placeholder*/
1296 put_tag(pb, "moov");
1297 mov->timescale = globalTimescale;
1298
1299 for (i=0; i<mov->nb_streams; i++) {
1300 if(mov->tracks[i].entry <= 0) continue;
1301
1302 if(mov->tracks[i].enc->codec_type == CODEC_TYPE_VIDEO) {
1303 mov->tracks[i].timescale = mov->tracks[i].enc->time_base.den;
1304 mov->tracks[i].sampleDuration = mov->tracks[i].enc->time_base.num;
1305 } else if(mov->tracks[i].enc->codec_type == CODEC_TYPE_AUDIO) {
1306 mov->tracks[i].timescale = mov->tracks[i].enc->sample_rate;
1307 mov->tracks[i].sampleDuration = mov->tracks[i].enc->frame_size;
1308 }
1309
1310 mov->tracks[i].trackDuration =
1311 (int64_t)mov->tracks[i].sampleCount * mov->tracks[i].sampleDuration;
1312 mov->tracks[i].time = mov->time;
1313 mov->tracks[i].trackID = i+1;
1314 }
1315
1316 mov_write_mvhd_tag(pb, mov);
1317 //mov_write_iods_tag(pb, mov);
1318 for (i=0; i<mov->nb_streams; i++) {
1319 if(mov->tracks[i].entry > 0) {
1320 mov_write_trak_tag(pb, &(mov->tracks[i]));
1321 }
1322 }
1323
1324 if (mov->mode == MODE_PSP)
1325 mov_write_uuidusmt_tag(pb, s);
1326 else
1327 mov_write_udta_tag(pb, mov, s);
1328
1329 return updateSize(pb, pos);
1330 }
1331
1332 static int mov_write_mdat_tag(ByteIOContext *pb, MOVContext* mov)
1333 {
1334 put_be32(pb, 8); // placeholder for extended size field (64 bit)
1335 put_tag(pb, mov->mode == MODE_MOV ? "wide" : "free");
1336
1337 mov->mdat_pos = url_ftell(pb);
1338 put_be32(pb, 0); /* size placeholder*/
1339 put_tag(pb, "mdat");
1340 return 0;
1341 }
1342
1343 /* TODO: This needs to be more general */
1344 static void mov_write_ftyp_tag (ByteIOContext *pb, AVFormatContext *s)
1345 {
1346 MOVContext *mov = s->priv_data;
1347
1348 put_be32(pb, 0x14 ); /* size */
1349 put_tag(pb, "ftyp");
1350
1351 if ( mov->mode == MODE_3GP )
1352 put_tag(pb, "3gp4");
1353 else if ( mov->mode == MODE_3G2 )
1354 put_tag(pb, "3g2a");
1355 else if ( mov->mode == MODE_PSP )
1356 put_tag(pb, "MSNV");
1357 else if ( mov->mode == MODE_MP4 )
1358 put_tag(pb, "isom");
1359 else
1360 put_tag(pb, "qt ");
1361
1362 put_be32(pb, 0x200 );
1363
1364 if ( mov->mode == MODE_3GP )
1365 put_tag(pb, "3gp4");
1366 else if ( mov->mode == MODE_3G2 )
1367 put_tag(pb, "3g2a");
1368 else if ( mov->mode == MODE_PSP )
1369 put_tag(pb, "MSNV");
1370 else if ( mov->mode == MODE_MP4 )
1371 put_tag(pb, "mp41");
1372 else
1373 put_tag(pb, "qt ");
1374 }
1375
1376 static void mov_write_uuidprof_tag(ByteIOContext *pb, AVFormatContext *s)
1377 {
1378 AVCodecContext *VideoCodec = s->streams[0]->codec;
1379 AVCodecContext *AudioCodec = s->streams[1]->codec;
1380 int AudioRate = AudioCodec->sample_rate;
1381 int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num);
1382 int audio_kbitrate= AudioCodec->bit_rate / 1000;
1383 int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate);
1384
1385 put_be32(pb, 0x94 ); /* size */
1386 put_tag(pb, "uuid");
1387 put_tag(pb, "PROF");
1388
1389 put_be32(pb, 0x21d24fce ); /* 96 bit UUID */
1390 put_be32(pb, 0xbb88695c );
1391 put_be32(pb, 0xfac9c740 );
1392
1393 put_be32(pb, 0x0 ); /* ? */
1394 put_be32(pb, 0x3 ); /* 3 sections ? */
1395
1396 put_be32(pb, 0x14 ); /* size */
1397 put_tag(pb, "FPRF");
1398 put_be32(pb, 0x0 ); /* ? */
1399 put_be32(pb, 0x0 ); /* ? */
1400 put_be32(pb, 0x0 ); /* ? */
1401
1402 put_be32(pb, 0x2c ); /* size */
1403 put_tag(pb, "APRF"); /* audio */
1404 put_be32(pb, 0x0 );
1405 put_be32(pb, 0x2 ); /* TrackID */
1406 put_tag(pb, "mp4a");
1407 put_be32(pb, 0x20f );
1408 put_be32(pb, 0x0 );
1409 put_be32(pb, audio_kbitrate);
1410 put_be32(pb, audio_kbitrate);
1411 put_be32(pb, AudioRate );
1412 put_be32(pb, AudioCodec->channels );
1413
1414 put_be32(pb, 0x34 ); /* size */
1415 put_tag(pb, "VPRF"); /* video */
1416 put_be32(pb, 0x0 );
1417 put_be32(pb, 0x1 ); /* TrackID */
1418 if (VideoCodec->codec_id == CODEC_ID_H264) {
1419 put_tag(pb, "avc1");
1420 put_be16(pb, 0x014D );
1421 put_be16(pb, 0x0015 );
1422 } else {
1423 put_tag(pb, "mp4v");
1424 put_be16(pb, 0x0000 );
1425 put_be16(pb, 0x0103 );
1426 }
1427 put_be32(pb, 0x0 );
1428 put_be32(pb, video_kbitrate);
1429 put_be32(pb, video_kbitrate);
1430 put_be32(pb, FrameRate);
1431 put_be32(pb, FrameRate);
1432 put_be16(pb, VideoCodec->width);
1433 put_be16(pb, VideoCodec->height);
1434 put_be32(pb, 0x010001); /* ? */
1435 }
1436
1437 static int mov_write_header(AVFormatContext *s)
1438 {
1439 ByteIOContext *pb = &s->pb;
1440 MOVContext *mov = s->priv_data;
1441 int i;
1442
1443 /* Default mode == MP4 */
1444 mov->mode = MODE_MP4;
1445
1446 if (s->oformat != NULL) {
1447 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
1448 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3G2;
1449 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
1450 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
1451
1452 mov_write_ftyp_tag(pb,s);
1453 if ( mov->mode == MODE_PSP ) {
1454 if ( s->nb_streams != 2 ) {
1455 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
1456 return -1;
1457 }
1458 mov_write_uuidprof_tag(pb,s);
1459 }
1460 }
1461
1462 for(i=0; i<s->nb_streams; i++){
1463 AVStream *st= s->streams[i];
1464 MOVTrack *track= &mov->tracks[i];
1465
1466 track->enc = st->codec;
1467 track->language = ff_mov_iso639_to_lang(st->language, mov->mode != MODE_MOV);
1468 track->mode = mov->mode;
1469 if(st->codec->codec_type == CODEC_TYPE_VIDEO){
1470 track->tag = mov_find_video_codec_tag(s, track);
1471 av_set_pts_info(st, 64, 1, st->codec->time_base.den);
1472 }else if(st->codec->codec_type == CODEC_TYPE_AUDIO){
1473 track->tag = mov_find_audio_codec_tag(s, track);
1474 av_set_pts_info(st, 64, 1, st->codec->sample_rate);
1475 track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
1476 }
1477 }
1478
1479 mov_write_mdat_tag(pb, mov);
1480 mov->time = s->timestamp + 0x7C25B080; //1970 based -> 1904 based
1481 mov->nb_streams = s->nb_streams;
1482
1483 put_flush_packet(pb);
1484
1485 return 0;
1486 }
1487
1488 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
1489 {
1490 MOVContext *mov = s->priv_data;
1491 ByteIOContext *pb = &s->pb;
1492 MOVTrack *trk = &mov->tracks[pkt->stream_index];
1493 AVCodecContext *enc = trk->enc;
1494 unsigned int samplesInChunk = 0;
1495 int size= pkt->size;
1496
1497 if (url_is_streamed(&s->pb)) return 0; /* Can't handle that */
1498 if (!size) return 0; /* Discard 0 sized packets */
1499
1500 if (enc->codec_id == CODEC_ID_AMR_NB) {
1501 /* We must find out how many AMR blocks there are in one packet */
1502 static uint16_t packed_size[16] =
1503 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 0};
1504 int len = 0;
1505
1506 while (len < size && samplesInChunk < 100) {
1507 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
1508 samplesInChunk++;
1509 }
1510 if(samplesInChunk > 1){
1511 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, inplement a AVParser for it\n");
1512 return -1;
1513 }
1514 } else if (trk->sampleSize)
1515 samplesInChunk = size/trk->sampleSize;
1516 else
1517 samplesInChunk = 1;
1518
1519 /* copy extradata if it exists */
1520 if (trk->vosLen == 0 && enc->extradata_size > 0) {
1521 trk->vosLen = enc->extradata_size;
1522 trk->vosData = av_malloc(trk->vosLen);
1523 memcpy(trk->vosData, enc->extradata, trk->vosLen);
1524 }
1525
1526 if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) {
1527 /* from x264 or from bytestream h264 */
1528 /* nal reformating needed */
1529 avc_parse_nal_units(&pkt->data, &pkt->size);
1530 assert(pkt->size);
1531 size = pkt->size;
1532 }
1533
1534 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
1535 trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster));
1536 if (!trk->cluster)
1537 return -1;
1538 }
1539
1540 trk->cluster[trk->entry].pos = url_ftell(pb);
1541 trk->cluster[trk->entry].samplesInChunk = samplesInChunk;
1542 trk->cluster[trk->entry].size = size;
1543 trk->cluster[trk->entry].entries = samplesInChunk;
1544 if(enc->codec_type == CODEC_TYPE_VIDEO) {
1545 if (pkt->dts != pkt->pts)
1546 trk->hasBframes = 1;
1547 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
1548 trk->cluster[trk->entry].key_frame = !!(pkt->flags & PKT_FLAG_KEY);
1549 if(trk->cluster[trk->entry].key_frame)
1550 trk->hasKeyframes++;
1551 }
1552 trk->entry++;
1553 trk->sampleCount += samplesInChunk;
1554 mov->mdat_size += size;
1555
1556 put_buffer(pb, pkt->data, size);
1557
1558 put_flush_packet(pb);
1559 return 0;
1560 }
1561
1562 static int mov_write_trailer(AVFormatContext *s)
1563 {
1564 MOVContext *mov = s->priv_data;
1565 ByteIOContext *pb = &s->pb;
1566 int res = 0;
1567 int i;
1568
1569 offset_t moov_pos = url_ftell(pb);
1570
1571 /* Write size of mdat tag */
1572 if (mov->mdat_size+8 <= UINT32_MAX) {
1573 url_fseek(pb, mov->mdat_pos, SEEK_SET);
1574 put_be32(pb, mov->mdat_size+8);
1575 } else {
1576 /* overwrite 'wide' placeholder atom */
1577 url_fseek(pb, mov->mdat_pos - 8, SEEK_SET);
1578 put_be32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */
1579 put_tag(pb, "mdat");
1580 put_be64(pb, mov->mdat_size+16);
1581 }
1582 url_fseek(pb, moov_pos, SEEK_SET);
1583
1584 mov_write_moov_tag(pb, mov, s);
1585
1586 for (i=0; i<mov->nb_streams; i++) {
1587 av_freep(&mov->tracks[i].cluster);
1588
1589 if( mov->tracks[i].vosLen ) av_free( mov->tracks[i].vosData );
1590
1591 }
1592
1593 put_flush_packet(pb);
1594
1595 return res;
1596 }
1597
1598 #ifdef CONFIG_MOV_MUXER
1599 AVOutputFormat mov_muxer = {
1600 "mov",
1601 "mov format",
1602 NULL,
1603 "mov",
1604 sizeof(MOVContext),
1605 CODEC_ID_AAC,
1606 CODEC_ID_MPEG4,
1607 mov_write_header,
1608 mov_write_packet,
1609 mov_write_trailer,
1610 .flags = AVFMT_GLOBALHEADER,
1611 };
1612 #endif
1613 #ifdef CONFIG_TGP_MUXER
1614 AVOutputFormat tgp_muxer = {
1615 "3gp",
1616 "3gp format",
1617 NULL,
1618 "3gp",
1619 sizeof(MOVContext),
1620 CODEC_ID_AMR_NB,
1621 CODEC_ID_H263,
1622 mov_write_header,
1623 mov_write_packet,
1624 mov_write_trailer,
1625 .flags = AVFMT_GLOBALHEADER,
1626 };
1627 #endif
1628 #ifdef CONFIG_MP4_MUXER
1629 AVOutputFormat mp4_muxer = {
1630 "mp4",
1631 "mp4 format",
1632 "application/mp4",
1633 "mp4,m4a",
1634 sizeof(MOVContext),
1635 CODEC_ID_AAC,
1636 CODEC_ID_MPEG4,
1637 mov_write_header,
1638 mov_write_packet,
1639 mov_write_trailer,
1640 .flags = AVFMT_GLOBALHEADER,
1641 };
1642 #endif
1643 #ifdef CONFIG_PSP_MUXER
1644 AVOutputFormat psp_muxer = {
1645 "psp",
1646 "psp mp4 format",
1647 NULL,
1648 "mp4,psp",
1649 sizeof(MOVContext),
1650 CODEC_ID_AAC,
1651 CODEC_ID_MPEG4,
1652 mov_write_header,
1653 mov_write_packet,
1654 mov_write_trailer,
1655 .flags = AVFMT_GLOBALHEADER,
1656 };
1657 #endif
1658 #ifdef CONFIG_TG2_MUXER
1659 AVOutputFormat tg2_muxer = {
1660 "3g2",
1661 "3gp2 format",
1662 NULL,
1663 "3g2",
1664 sizeof(MOVContext),
1665 CODEC_ID_AMR_NB,
1666 CODEC_ID_H263,
1667 mov_write_header,
1668 mov_write_packet,
1669 mov_write_trailer,
1670 .flags = AVFMT_GLOBALHEADER,
1671 };
1672 #endif