2 * MOV, 3GP, MP4 encoder.
3 * Copyright (c) 2003 Thomas Raivio.
4 * Copyright (c) 2004 Gildas Bazin <gbazin at videolan dot org>.
6 * This file is part of FFmpeg.
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.
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.
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
30 #define MOV_INDEX_CLUSTER_SIZE 16384
31 #define globalTimescale 1000
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
40 typedef struct MOVIentry {
41 unsigned int flags, size;
43 unsigned int samplesInChunk;
49 typedef struct MOVIndex {
54 int64_t trackDuration;
70 typedef struct MOVContext {
77 MOVTrack tracks[MAX_STREAMS];
80 //FIXME supprt 64bit varaint with wide placeholders
81 static offset_t updateSize (ByteIOContext *pb, offset_t pos)
83 offset_t curpos = url_ftell(pb);
84 url_fseek(pb, pos, SEEK_SET);
85 put_be32(pb, curpos - pos); /* rewrite size */
86 url_fseek(pb, curpos, SEEK_SET);
91 /* Chunk offset atom */
92 static int mov_write_stco_tag(ByteIOContext *pb, MOVTrack* track)
95 int mode64 = 0; // use 32 bit size variant if possible
96 offset_t pos = url_ftell(pb);
97 put_be32(pb, 0); /* size */
98 if (pos > UINT32_MAX) {
103 put_be32(pb, 0); /* version & flags */
104 put_be32(pb, track->entry); /* entry count */
105 for (i=0; i<track->entry; i++) {
107 put_be64(pb, track->cluster[i].pos);
109 put_be32(pb, track->cluster[i].pos);
111 return updateSize (pb, pos);
114 /* Sample size atom */
115 static int mov_write_stsz_tag(ByteIOContext *pb, MOVTrack* track)
118 int i, j, entries = 0, tst = -1, oldtst = -1;
120 offset_t pos = url_ftell(pb);
121 put_be32(pb, 0); /* size */
123 put_be32(pb, 0); /* version & flags */
125 for (i=0; i<track->entry; i++) {
126 tst = track->cluster[i].size/track->cluster[i].entries;
127 if(oldtst != -1 && tst != oldtst) {
131 entries += track->cluster[i].entries;
134 int sSize = track->cluster[0].size/track->cluster[0].entries;
135 put_be32(pb, sSize); // sample size
136 put_be32(pb, entries); // sample count
139 put_be32(pb, 0); // sample size
140 put_be32(pb, entries); // sample count
141 for (i=0; i<track->entry; i++) {
142 for ( j=0; j<track->cluster[i].entries; j++) {
143 put_be32(pb, track->cluster[i].size /
144 track->cluster[i].entries);
148 return updateSize (pb, pos);
151 /* Sample to chunk atom */
152 static int mov_write_stsc_tag(ByteIOContext *pb, MOVTrack* track)
154 int index = 0, oldval = -1, i;
155 offset_t entryPos, curpos;
157 offset_t pos = url_ftell(pb);
158 put_be32(pb, 0); /* size */
160 put_be32(pb, 0); // version & flags
161 entryPos = url_ftell(pb);
162 put_be32(pb, track->entry); // entry count
163 for (i=0; i<track->entry; i++) {
164 if(oldval != track->cluster[i].samplesInChunk)
166 put_be32(pb, i+1); // first chunk
167 put_be32(pb, track->cluster[i].samplesInChunk); // samples per chunk
168 put_be32(pb, 0x1); // sample description index
169 oldval = track->cluster[i].samplesInChunk;
173 curpos = url_ftell(pb);
174 url_fseek(pb, entryPos, SEEK_SET);
175 put_be32(pb, index); // rewrite size
176 url_fseek(pb, curpos, SEEK_SET);
178 return updateSize (pb, pos);
181 /* Sync sample atom */
182 static int mov_write_stss_tag(ByteIOContext *pb, MOVTrack* track)
184 offset_t curpos, entryPos;
186 offset_t pos = url_ftell(pb);
187 put_be32(pb, 0); // size
189 put_be32(pb, 0); // version & flags
190 entryPos = url_ftell(pb);
191 put_be32(pb, track->entry); // entry count
192 for (i=0; i<track->entry; i++) {
193 if(track->cluster[i].key_frame == 1) {
198 curpos = url_ftell(pb);
199 url_fseek(pb, entryPos, SEEK_SET);
200 put_be32(pb, index); // rewrite size
201 url_fseek(pb, curpos, SEEK_SET);
202 return updateSize (pb, pos);
205 static int mov_write_amr_tag(ByteIOContext *pb, MOVTrack *track)
207 put_be32(pb, 0x11); /* size */
208 if (track->mode == MODE_MOV) put_tag(pb, "samr");
209 else put_tag(pb, "damr");
211 put_byte(pb, 0); /* decoder version */
213 put_be16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
214 put_byte(pb, 0x00); /* Mode change period (no restriction) */
215 put_byte(pb, 0x01); /* Frames per sample */
219 static int mov_write_enda_tag(ByteIOContext *pb)
223 put_be16(pb, 1); /* little endian */
227 static unsigned int descrLength(unsigned int len)
230 for(i=1; len>>(7*i); i++);
234 static void putDescr(ByteIOContext *pb, int tag, unsigned int size)
236 int i= descrLength(size) - size - 2;
239 put_byte(pb, (size>>(7*i)) | 0x80);
240 put_byte(pb, size & 0x7F);
243 static int mov_write_esds_tag(ByteIOContext *pb, MOVTrack* track) // Basic
245 offset_t pos = url_ftell(pb);
246 int decoderSpecificInfoLen = track->vosLen ? descrLength(track->vosLen):0;
248 put_be32(pb, 0); // size
250 put_be32(pb, 0); // Version
253 putDescr(pb, 0x03, 3 + descrLength(13 + decoderSpecificInfoLen) +
255 put_be16(pb, track->trackID);
256 put_byte(pb, 0x00); // flags (= no flags)
258 // DecoderConfig descriptor
259 putDescr(pb, 0x04, 13 + decoderSpecificInfoLen);
261 // Object type indication
262 put_byte(pb, codec_get_tag(ff_mov_obj_type, track->enc->codec_id));
264 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
265 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
266 if(track->enc->codec_type == CODEC_TYPE_AUDIO)
267 put_byte(pb, 0x15); // flags (= Audiostream)
269 put_byte(pb, 0x11); // flags (= Visualstream)
271 put_byte(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits)
272 put_be16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB
274 put_be32(pb, FFMAX(track->enc->bit_rate, track->enc->rc_max_rate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
275 if(track->enc->rc_max_rate != track->enc->rc_min_rate || track->enc->rc_min_rate==0)
276 put_be32(pb, 0); // vbr
278 put_be32(pb, track->enc->rc_max_rate); // avg bitrate
282 // DecoderSpecific info descriptor
283 putDescr(pb, 0x05, track->vosLen);
284 put_buffer(pb, track->vosData, track->vosLen);
289 putDescr(pb, 0x06, 1);
291 return updateSize (pb, pos);
294 static int mov_write_wave_tag(ByteIOContext *pb, MOVTrack* track)
296 offset_t pos = url_ftell(pb);
298 put_be32(pb, 0); /* size */
301 put_be32(pb, 12); /* size */
303 put_le32(pb, track->tag);
305 if (track->enc->codec_id == CODEC_ID_AAC) {
306 /* useless atom needed by mplayer, ipod, not needed by quicktime */
307 put_be32(pb, 12); /* size */
310 mov_write_esds_tag(pb, track);
311 } else if (track->enc->codec_id == CODEC_ID_PCM_S24LE ||
312 track->enc->codec_id == CODEC_ID_PCM_S32LE) {
313 mov_write_enda_tag(pb);
314 } else if (track->enc->codec_id == CODEC_ID_AMR_NB) {
315 mov_write_amr_tag(pb, track);
318 put_be32(pb, 8); /* size */
319 put_be32(pb, 0); /* null tag */
321 return updateSize (pb, pos);
324 static const CodecTag codec_movaudio_tags[] = {
325 { CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') },
326 { CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') },
327 { CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') },
328 { CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') },
329 { CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') },
330 { CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
331 { CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') },
332 { CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') },
333 { CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') },
334 { CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') },
335 { CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
336 { CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
337 { CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
338 { CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') },
339 { CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') },
340 { CODEC_ID_NONE, 0 },
343 static int mov_write_audio_tag(ByteIOContext *pb, MOVTrack* track)
345 offset_t pos = url_ftell(pb);
346 int vbr= track->mode == MODE_MOV &&
347 (track->enc->codec_id == CODEC_ID_AAC ||
348 track->enc->codec_id == CODEC_ID_MP3 ||
349 track->enc->codec_id == CODEC_ID_AMR_NB);
351 track->enc->codec_id == CODEC_ID_PCM_S32LE ||
352 track->enc->codec_id == CODEC_ID_PCM_S24LE;
354 put_be32(pb, 0); /* size */
355 put_le32(pb, track->tag); // store it byteswapped
356 put_be32(pb, 0); /* Reserved */
357 put_be16(pb, 0); /* Reserved */
358 put_be16(pb, 1); /* Data-reference index, XXX == 1 */
360 /* SoundDescription */
361 put_be16(pb, version); /* Version */
362 put_be16(pb, 0); /* Revision level */
363 put_be32(pb, 0); /* Reserved */
365 put_be16(pb, track->mode == MODE_MOV ? track->enc->channels : 2); /* Number of channels */
366 /* FIXME 8 bit for 'raw ' in mov */
367 put_be16(pb, 16); /* Reserved */
369 put_be16(pb, vbr ? 0xfffe : 0); /* compression ID */
370 put_be16(pb, 0); /* packet size (= 0) */
371 put_be16(pb, track->timescale); /* Time scale */
372 put_be16(pb, 0); /* Reserved */
374 if(version == 1) { /* SoundDescription V1 extended info */
376 track->sampleSize = 0;
377 put_be32(pb, track->enc->frame_size); /* Samples per packet */
378 put_be32(pb, track->sampleSize / track->enc->channels); /* Bytes per packet */
379 put_be32(pb, track->sampleSize); /* Bytes per frame */
380 put_be32(pb, 2); /* Bytes per sample */
383 if(track->mode == MODE_MOV &&
384 (track->enc->codec_id == CODEC_ID_AAC ||
385 track->enc->codec_id == CODEC_ID_AMR_NB ||
386 track->enc->codec_id == CODEC_ID_PCM_S24LE ||
387 track->enc->codec_id == CODEC_ID_PCM_S32LE))
388 mov_write_wave_tag(pb, track);
389 else if(track->enc->codec_id == CODEC_ID_AAC)
390 mov_write_esds_tag(pb, track);
391 else if(track->enc->codec_id == CODEC_ID_AMR_NB)
392 mov_write_amr_tag(pb, track);
394 return updateSize (pb, pos);
397 static int mov_write_d263_tag(ByteIOContext *pb)
399 put_be32(pb, 0xf); /* size */
402 put_byte(pb, 0); /* decoder version */
403 /* FIXME use AVCodecContext level/profile, when encoder will set values */
404 put_byte(pb, 0xa); /* level */
405 put_byte(pb, 0); /* profile */
409 /* TODO: No idea about these values */
410 static int mov_write_svq3_tag(ByteIOContext *pb)
416 put_be32(pb, 0xe2c0211d);
417 put_be32(pb, 0xc0000000);
422 static uint8_t *avc_find_startcode( uint8_t *p, uint8_t *end )
424 uint8_t *a = p + 4 - ((int)p & 3);
426 for( end -= 3; p < a && p < end; p++ ) {
427 if( p[0] == 0 && p[1] == 0 && p[2] == 1 )
431 for( end -= 3; p < end; p += 4 ) {
432 uint32_t x = *(uint32_t*)p;
433 // if( (x - 0x01000100) & (~x) & 0x80008000 ) // little endian
434 // if( (x - 0x00010001) & (~x) & 0x00800080 ) // big endian
435 if( (x - 0x01010101) & (~x) & 0x80808080 ) { // generic
437 if( p[0] == 0 && p[2] == 1 )
439 if( p[2] == 0 && p[3] == 1 )
443 if( p[2] == 0 && p[4] == 1 )
445 if( p[4] == 0 && p[5] == 1 )
451 for( end += 3; p < end; p++ ) {
452 if( p[0] == 0 && p[1] == 0 && p[2] == 1 )
459 static void avc_parse_nal_units(uint8_t **buf, int *size)
463 uint8_t *end = p + *size;
464 uint8_t *nal_start, *nal_end;
466 url_open_dyn_buf(&pb);
467 nal_start = avc_find_startcode(p, end);
468 while (nal_start < end) {
469 while(!*(nal_start++));
470 nal_end = avc_find_startcode(nal_start, end);
471 put_be32(&pb, nal_end - nal_start);
472 put_buffer(&pb, nal_start, nal_end - nal_start);
476 *size = url_close_dyn_buf(&pb, buf);
479 static int mov_write_avcc_tag(ByteIOContext *pb, MOVTrack *track)
481 offset_t pos = url_ftell(pb);
485 if (track->vosLen > 6) {
486 /* check for h264 start code */
487 if (BE_32(track->vosData) == 0x00000001) {
489 uint32_t sps_size=0, pps_size=0;
490 uint8_t *sps=0, *pps=0;
492 avc_parse_nal_units(&track->vosData, &track->vosLen);
493 buf = track->vosData;
494 end = track->vosData + track->vosLen;
496 /* look for sps and pps */
501 nal_type = buf[4] & 0x1f;
502 if (nal_type == 7) { /* SPS */
505 } else if (nal_type == 8) { /* PPS */
514 put_byte(pb, 1); /* version */
515 put_byte(pb, sps[1]); /* profile */
516 put_byte(pb, sps[2]); /* profile compat */
517 put_byte(pb, sps[3]); /* level */
518 put_byte(pb, 0xff); /* 6 bits reserved (111111) + 2 bits nal size length - 1 (11) */
519 put_byte(pb, 0xe1); /* 3 bits reserved (111) + 5 bits number of sps (00001) */
521 put_be16(pb, sps_size);
522 put_buffer(pb, sps, sps_size);
523 put_byte(pb, 1); /* number of pps */
524 put_be16(pb, pps_size);
525 put_buffer(pb, pps, pps_size);
527 put_buffer(pb, track->vosData, track->vosLen);
530 return updateSize(pb, pos);
533 static const CodecTag codec_movvideo_tags[] = {
534 { CODEC_ID_SVQ1, MKTAG('S', 'V', 'Q', '1') },
535 { CODEC_ID_SVQ3, MKTAG('S', 'V', 'Q', '3') },
536 { CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
537 { CODEC_ID_H263, MKTAG('h', '2', '6', '3') },
538 { CODEC_ID_H263, MKTAG('s', '2', '6', '3') },
539 { CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') },
540 /* special handling in mov_find_video_codec_tag */
541 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') }, /* DV NTSC */
542 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 'p') }, /* DV PAL */
543 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'p', 'p') }, /* DVCPRO PAL */
544 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'n') }, /* DVCPRO50 NTSC */
545 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'p') }, /* DVCPRO50 PAL */
546 { CODEC_ID_NONE, 0 },
549 static int mov_find_video_codec_tag(AVFormatContext *s, MOVTrack *track)
551 int tag = track->enc->codec_tag;
553 if (track->enc->codec_id == CODEC_ID_DVVIDEO) {
554 if (track->enc->height == 480) { /* NTSC */
555 if (track->enc->pix_fmt == PIX_FMT_YUV422P)
556 tag = MKTAG('d', 'v', '5', 'n');
558 tag = MKTAG('d', 'v', 'c', ' ');
559 } else { /* assume PAL */
560 if (track->enc->pix_fmt == PIX_FMT_YUV422P)
561 tag = MKTAG('d', 'v', '5', 'p');
562 else if (track->enc->pix_fmt == PIX_FMT_YUV420P)
563 tag = MKTAG('d', 'v', 'c', 'p');
565 tag = MKTAG('d', 'v', 'p', 'p');
567 } else if (track->enc->codec_id == CODEC_ID_H263) {
568 if (track->mode == MODE_MOV)
569 tag = MKTAG('h', '2', '6', '3');
571 tag = MKTAG('s', '2', '6', '3');
573 tag = codec_get_tag(codec_movvideo_tags, track->enc->codec_id);
576 // if no mac fcc found, try with Microsoft tags
578 tag = codec_get_tag(codec_bmp_tags, track->enc->codec_id);
580 av_log(s, AV_LOG_INFO, "Warning, using MS style video codec tag, the file may be unplayable!\n");
587 static int mov_find_audio_codec_tag(AVFormatContext *s, MOVTrack *track)
589 int tag = track->enc->codec_tag;
591 tag = codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
593 // if no mac fcc found, try with Microsoft tags
595 int ms_tag = codec_get_tag(codec_wav_tags, track->enc->codec_id);
597 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
598 av_log(s, AV_LOG_INFO, "Warning, using MS style audio codec tag, the file may be unplayable!\n");
605 static int mov_write_video_tag(ByteIOContext *pb, MOVTrack* track)
607 offset_t pos = url_ftell(pb);
608 char compressor_name[32];
610 put_be32(pb, 0); /* size */
611 put_le32(pb, track->tag); // store it byteswapped
612 put_be32(pb, 0); /* Reserved */
613 put_be16(pb, 0); /* Reserved */
614 put_be16(pb, 1); /* Data-reference index */
616 put_be16(pb, 0); /* Codec stream version */
617 put_be16(pb, 0); /* Codec stream revision (=0) */
618 if (track->mode == MODE_MOV) {
619 put_tag(pb, "FFMP"); /* Vendor */
620 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
621 put_be32(pb, 0); /* Temporal Quality */
622 put_be32(pb, 0x400); /* Spatial Quality = lossless*/
624 put_be32(pb, 0x200); /* Temporal Quality = normal */
625 put_be32(pb, 0x200); /* Spatial Quality = normal */
628 put_be32(pb, 0); /* Reserved */
629 put_be32(pb, 0); /* Reserved */
630 put_be32(pb, 0); /* Reserved */
632 put_be16(pb, track->enc->width); /* Video width */
633 put_be16(pb, track->enc->height); /* Video height */
634 put_be32(pb, 0x00480000); /* Horizontal resolution 72dpi */
635 put_be32(pb, 0x00480000); /* Vertical resolution 72dpi */
636 put_be32(pb, 0); /* Data size (= 0) */
637 put_be16(pb, 1); /* Frame count (= 1) */
639 memset(compressor_name,0,32);
640 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
641 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
642 strncpy(compressor_name,track->enc->codec->name,31);
643 put_byte(pb, strlen(compressor_name));
644 put_buffer(pb, compressor_name, 31);
646 put_be16(pb, 0x18); /* Reserved */
647 put_be16(pb, 0xffff); /* Reserved */
648 if(track->enc->codec_id == CODEC_ID_MPEG4)
649 mov_write_esds_tag(pb, track);
650 else if(track->enc->codec_id == CODEC_ID_H263)
651 mov_write_d263_tag(pb);
652 else if(track->enc->codec_id == CODEC_ID_SVQ3)
653 mov_write_svq3_tag(pb);
654 else if(track->enc->codec_id == CODEC_ID_H264)
655 mov_write_avcc_tag(pb, track);
657 return updateSize (pb, pos);
660 static int mov_write_stsd_tag(ByteIOContext *pb, MOVTrack* track)
662 offset_t pos = url_ftell(pb);
663 put_be32(pb, 0); /* size */
665 put_be32(pb, 0); /* version & flags */
666 put_be32(pb, 1); /* entry count */
667 if (track->enc->codec_type == CODEC_TYPE_VIDEO)
668 mov_write_video_tag(pb, track);
669 else if (track->enc->codec_type == CODEC_TYPE_AUDIO)
670 mov_write_audio_tag(pb, track);
671 return updateSize(pb, pos);
674 static int mov_write_ctts_tag(ByteIOContext *pb, MOVTrack* track)
676 Time2Sample *ctts_entries;
677 uint32_t entries = 0;
681 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
682 ctts_entries[0].count = 1;
683 ctts_entries[0].duration = track->cluster[0].cts;
684 for (i=1; i<track->entry; i++) {
685 if (track->cluster[i].cts == ctts_entries[entries].duration) {
686 ctts_entries[entries].count++; /* compress */
689 ctts_entries[entries].duration = track->cluster[i].cts;
690 ctts_entries[entries].count = 1;
693 entries++; /* last one */
694 atom_size = 16 + (entries * 8);
695 put_be32(pb, atom_size); /* size */
697 put_be32(pb, 0); /* version & flags */
698 put_be32(pb, entries); /* entry count */
699 for (i=0; i<entries; i++) {
700 put_be32(pb, ctts_entries[i].count);
701 put_be32(pb, ctts_entries[i].duration);
703 av_free(ctts_entries);
708 /* Time to sample atom */
709 static int mov_write_stts_tag(ByteIOContext *pb, MOVTrack* track)
711 put_be32(pb, 0x18); /* size */
713 put_be32(pb, 0); /* version & flags */
714 put_be32(pb, 1); /* entry count */
716 put_be32(pb, track->sampleCount); /* sample count */
717 put_be32(pb, track->sampleDuration); /* sample duration */
721 static int mov_write_dref_tag(ByteIOContext *pb)
723 put_be32(pb, 28); /* size */
725 put_be32(pb, 0); /* version & flags */
726 put_be32(pb, 1); /* entry count */
728 put_be32(pb, 0xc); /* size */
730 put_be32(pb, 1); /* version & flags */
735 static int mov_write_stbl_tag(ByteIOContext *pb, MOVTrack* track)
737 offset_t pos = url_ftell(pb);
738 put_be32(pb, 0); /* size */
740 mov_write_stsd_tag(pb, track);
741 mov_write_stts_tag(pb, track);
742 if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
743 track->hasKeyframes < track->entry)
744 mov_write_stss_tag(pb, track);
745 if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
747 mov_write_ctts_tag(pb, track);
748 mov_write_stsc_tag(pb, track);
749 mov_write_stsz_tag(pb, track);
750 mov_write_stco_tag(pb, track);
751 return updateSize(pb, pos);
754 static int mov_write_dinf_tag(ByteIOContext *pb)
756 offset_t pos = url_ftell(pb);
757 put_be32(pb, 0); /* size */
759 mov_write_dref_tag(pb);
760 return updateSize(pb, pos);
763 static int mov_write_smhd_tag(ByteIOContext *pb)
765 put_be32(pb, 16); /* size */
767 put_be32(pb, 0); /* version & flags */
768 put_be16(pb, 0); /* reserved (balance, normally = 0) */
769 put_be16(pb, 0); /* reserved */
773 static int mov_write_vmhd_tag(ByteIOContext *pb)
775 put_be32(pb, 0x14); /* size (always 0x14) */
777 put_be32(pb, 0x01); /* version & flags */
778 put_be64(pb, 0); /* reserved (graphics mode = copy) */
782 static int mov_write_hdlr_tag(ByteIOContext *pb, MOVTrack* track)
784 const char *descr, *hdlr, *hdlr_type;
785 offset_t pos = url_ftell(pb);
787 if (!track) { /* no media --> data handler */
790 descr = "DataHandler";
792 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
793 if (track->enc->codec_type == CODEC_TYPE_VIDEO) {
795 descr = "VideoHandler";
798 descr = "SoundHandler";
802 put_be32(pb, 0); /* size */
804 put_be32(pb, 0); /* Version & flags */
805 put_buffer(pb, hdlr, 4); /* handler */
806 put_tag(pb, hdlr_type); /* handler type */
807 put_be32(pb ,0); /* reserved */
808 put_be32(pb ,0); /* reserved */
809 put_be32(pb ,0); /* reserved */
810 put_byte(pb, strlen(descr)); /* string counter */
811 put_buffer(pb, descr, strlen(descr)); /* handler description */
812 return updateSize(pb, pos);
815 static int mov_write_minf_tag(ByteIOContext *pb, MOVTrack* track)
817 offset_t pos = url_ftell(pb);
818 put_be32(pb, 0); /* size */
820 if(track->enc->codec_type == CODEC_TYPE_VIDEO)
821 mov_write_vmhd_tag(pb);
823 mov_write_smhd_tag(pb);
824 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
825 mov_write_hdlr_tag(pb, NULL);
826 mov_write_dinf_tag(pb);
827 mov_write_stbl_tag(pb, track);
828 return updateSize(pb, pos);
831 static int mov_write_mdhd_tag(ByteIOContext *pb, MOVTrack* track)
833 int version = track->trackDuration < INT32_MAX ? 0 : 1;
835 (version == 1) ? put_be32(pb, 44) : put_be32(pb, 32); /* size */
837 put_byte(pb, version);
838 put_be24(pb, 0); /* flags */
840 put_be64(pb, track->time);
841 put_be64(pb, track->time);
843 put_be32(pb, track->time); /* creation time */
844 put_be32(pb, track->time); /* modification time */
846 put_be32(pb, track->timescale); /* time scale (sample rate for audio) */
847 (version == 1) ? put_be64(pb, track->trackDuration) : put_be32(pb, track->trackDuration); /* duration */
848 put_be16(pb, track->language); /* language */
849 put_be16(pb, 0); /* reserved (quality) */
853 static int mov_write_mdia_tag(ByteIOContext *pb, MOVTrack* track)
855 offset_t pos = url_ftell(pb);
856 put_be32(pb, 0); /* size */
858 mov_write_mdhd_tag(pb, track);
859 mov_write_hdlr_tag(pb, track);
860 mov_write_minf_tag(pb, track);
861 return updateSize(pb, pos);
864 static int mov_write_tkhd_tag(ByteIOContext *pb, MOVTrack* track)
866 int64_t duration = av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP);
867 int version = duration < INT32_MAX ? 0 : 1;
869 (version == 1) ? put_be32(pb, 104) : put_be32(pb, 92); /* size */
871 put_byte(pb, version);
872 put_be24(pb, 0xf); /* flags (track enabled) */
874 put_be64(pb, track->time);
875 put_be64(pb, track->time);
877 put_be32(pb, track->time); /* creation time */
878 put_be32(pb, track->time); /* modification time */
880 put_be32(pb, track->trackID); /* track-id */
881 put_be32(pb, 0); /* reserved */
882 (version == 1) ? put_be64(pb, duration) : put_be32(pb, duration);
884 put_be32(pb, 0); /* reserved */
885 put_be32(pb, 0); /* reserved */
886 put_be32(pb, 0x0); /* reserved (Layer & Alternate group) */
887 /* Volume, only for audio */
888 if(track->enc->codec_type == CODEC_TYPE_AUDIO)
889 put_be16(pb, 0x0100);
892 put_be16(pb, 0); /* reserved */
894 /* Matrix structure */
895 put_be32(pb, 0x00010000); /* reserved */
896 put_be32(pb, 0x0); /* reserved */
897 put_be32(pb, 0x0); /* reserved */
898 put_be32(pb, 0x0); /* reserved */
899 put_be32(pb, 0x00010000); /* reserved */
900 put_be32(pb, 0x0); /* reserved */
901 put_be32(pb, 0x0); /* reserved */
902 put_be32(pb, 0x0); /* reserved */
903 put_be32(pb, 0x40000000); /* reserved */
905 /* Track width and height, for visual only */
906 if(track->enc->codec_type == CODEC_TYPE_VIDEO) {
907 double sample_aspect_ratio = av_q2d(track->enc->sample_aspect_ratio);
908 if( !sample_aspect_ratio ) sample_aspect_ratio = 1;
909 put_be32(pb, sample_aspect_ratio * track->enc->width*0x10000);
910 put_be32(pb, track->enc->height*0x10000);
919 // This box seems important for the psp playback ... without it the movie seems to hang
920 static int mov_write_edts_tag(ByteIOContext *pb, MOVTrack *track)
922 put_be32(pb, 0x24); /* size */
924 put_be32(pb, 0x1c); /* size */
929 put_be32(pb, av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP)); /* duration ... doesn't seem to effect psp */
931 put_be32(pb, track->cluster[0].cts); /* first pts is cts since dts is 0 */
932 put_be32(pb, 0x00010000);
936 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
937 static int mov_write_uuid_tag_psp(ByteIOContext *pb, MOVTrack *mov)
939 put_be32(pb, 0x34); /* size ... reports as 28 in mp4box! */
942 put_be32(pb, 0x21d24fce);
943 put_be32(pb, 0xbb88695c);
944 put_be32(pb, 0xfac9c740);
945 put_be32(pb, 0x1c); // another size here!
947 put_be32(pb, 0x00010012);
949 put_be32(pb, 0x55c40000);
955 static int mov_write_trak_tag(ByteIOContext *pb, MOVTrack* track)
957 offset_t pos = url_ftell(pb);
958 put_be32(pb, 0); /* size */
960 mov_write_tkhd_tag(pb, track);
961 if (track->mode == MODE_PSP || track->hasBframes)
962 mov_write_edts_tag(pb, track); // PSP Movies require edts box
963 mov_write_mdia_tag(pb, track);
964 if (track->mode == MODE_PSP)
965 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
966 return updateSize(pb, pos);
970 /* TODO: Not sorted out, but not necessary either */
971 static int mov_write_iods_tag(ByteIOContext *pb, MOVContext *mov)
973 put_be32(pb, 0x15); /* size */
975 put_be32(pb, 0); /* version & flags */
976 put_be16(pb, 0x1007);
978 put_be16(pb, 0x4fff);
979 put_be16(pb, 0xfffe);
980 put_be16(pb, 0x01ff);
985 static int mov_write_mvhd_tag(ByteIOContext *pb, MOVContext *mov)
987 int maxTrackID = 1, i;
988 int64_t maxTrackLenTemp, maxTrackLen = 0;
991 for (i=0; i<mov->nb_streams; i++) {
992 if(mov->tracks[i].entry > 0) {
993 maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration, globalTimescale, mov->tracks[i].timescale, AV_ROUND_UP);
994 if(maxTrackLen < maxTrackLenTemp)
995 maxTrackLen = maxTrackLenTemp;
996 if(maxTrackID < mov->tracks[i].trackID)
997 maxTrackID = mov->tracks[i].trackID;
1001 version = maxTrackLen < UINT32_MAX ? 0 : 1;
1002 (version == 1) ? put_be32(pb, 120) : put_be32(pb, 108); /* size */
1003 put_tag(pb, "mvhd");
1004 put_byte(pb, version);
1005 put_be24(pb, 0); /* flags */
1007 put_be64(pb, mov->time);
1008 put_be64(pb, mov->time);
1010 put_be32(pb, mov->time); /* creation time */
1011 put_be32(pb, mov->time); /* modification time */
1013 put_be32(pb, mov->timescale); /* timescale */
1014 (version == 1) ? put_be64(pb, maxTrackLen) : put_be32(pb, maxTrackLen); /* duration of longest track */
1016 put_be32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1017 put_be16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1018 put_be16(pb, 0); /* reserved */
1019 put_be32(pb, 0); /* reserved */
1020 put_be32(pb, 0); /* reserved */
1022 /* Matrix structure */
1023 put_be32(pb, 0x00010000); /* reserved */
1024 put_be32(pb, 0x0); /* reserved */
1025 put_be32(pb, 0x0); /* reserved */
1026 put_be32(pb, 0x0); /* reserved */
1027 put_be32(pb, 0x00010000); /* reserved */
1028 put_be32(pb, 0x0); /* reserved */
1029 put_be32(pb, 0x0); /* reserved */
1030 put_be32(pb, 0x0); /* reserved */
1031 put_be32(pb, 0x40000000); /* reserved */
1033 put_be32(pb, 0); /* reserved (preview time) */
1034 put_be32(pb, 0); /* reserved (preview duration) */
1035 put_be32(pb, 0); /* reserved (poster time) */
1036 put_be32(pb, 0); /* reserved (selection time) */
1037 put_be32(pb, 0); /* reserved (selection duration) */
1038 put_be32(pb, 0); /* reserved (current time) */
1039 put_be32(pb, maxTrackID+1); /* Next track id */
1043 static int mov_write_itunes_hdlr_tag(ByteIOContext *pb, MOVContext* mov,
1046 offset_t pos = url_ftell(pb);
1047 put_be32(pb, 0); /* size */
1048 put_tag(pb, "hdlr");
1051 put_tag(pb, "mdir");
1052 put_tag(pb, "appl");
1056 return updateSize(pb, pos);
1059 /* helper function to write a data tag with the specified string as data */
1060 static int mov_write_string_data_tag(ByteIOContext *pb, const char *data, int long_style)
1063 offset_t pos = url_ftell(pb);
1064 put_be32(pb, 0); /* size */
1065 put_tag(pb, "data");
1068 put_buffer(pb, data, strlen(data));
1069 return updateSize(pb, pos);
1071 put_be16(pb, strlen(data)); /* string length */
1073 put_buffer(pb, data, strlen(data));
1074 return strlen(data) + 4;
1078 static int mov_write_string_tag(ByteIOContext *pb, const char *name, const char *value, int long_style){
1080 if ( value && value[0] ) {
1081 offset_t pos = url_ftell(pb);
1082 put_be32(pb, 0); /* size */
1084 mov_write_string_data_tag(pb, value, long_style);
1085 size= updateSize(pb, pos);
1091 static int mov_write_day_tag(ByteIOContext *pb, int year, int long_style)
1095 snprintf(year_str, sizeof(year_str), "%04d", year);
1096 return mov_write_string_tag(pb, "\251day", year_str, long_style);
1101 /* iTunes track number */
1102 static int mov_write_trkn_tag(ByteIOContext *pb, MOVContext* mov,
1107 offset_t pos = url_ftell(pb);
1108 put_be32(pb, 0); /* size */
1109 put_tag(pb, "trkn");
1111 offset_t pos = url_ftell(pb);
1112 put_be32(pb, 0); /* size */
1113 put_tag(pb, "data");
1114 put_be32(pb, 0); // 8 bytes empty
1116 put_be16(pb, 0); // empty
1117 put_be16(pb, s->track); // track number
1118 put_be16(pb, 0); // total track number
1119 put_be16(pb, 0); // empty
1120 updateSize(pb, pos);
1122 size = updateSize(pb, pos);
1127 /* iTunes meta data list */
1128 static int mov_write_ilst_tag(ByteIOContext *pb, MOVContext* mov,
1131 offset_t pos = url_ftell(pb);
1132 put_be32(pb, 0); /* size */
1133 put_tag(pb, "ilst");
1134 mov_write_string_tag(pb, "\251nam", s->title , 1);
1135 mov_write_string_tag(pb, "\251ART", s->author , 1);
1136 mov_write_string_tag(pb, "\251wrt", s->author , 1);
1137 mov_write_string_tag(pb, "\251alb", s->album , 1);
1138 mov_write_day_tag(pb, s->year ,1);
1139 if(mov->tracks[0].enc && !(mov->tracks[0].enc->flags & CODEC_FLAG_BITEXACT))
1140 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 1);
1141 mov_write_string_tag(pb, "\251cmt", s->comment , 1);
1142 mov_write_string_tag(pb, "\251gen", s->genre , 1);
1143 mov_write_trkn_tag(pb, mov, s);
1144 return updateSize(pb, pos);
1147 /* iTunes meta data tag */
1148 static int mov_write_meta_tag(ByteIOContext *pb, MOVContext* mov,
1153 // only save meta tag if required
1154 if ( s->title[0] || s->author[0] || s->album[0] || s->year ||
1155 s->comment[0] || s->genre[0] || s->track ) {
1156 offset_t pos = url_ftell(pb);
1157 put_be32(pb, 0); /* size */
1158 put_tag(pb, "meta");
1160 mov_write_itunes_hdlr_tag(pb, mov, s);
1161 mov_write_ilst_tag(pb, mov, s);
1162 size = updateSize(pb, pos);
1167 static int mov_write_udta_tag(ByteIOContext *pb, MOVContext* mov,
1170 offset_t pos = url_ftell(pb);
1173 put_be32(pb, 0); /* size */
1174 put_tag(pb, "udta");
1176 /* iTunes meta data */
1177 mov_write_meta_tag(pb, mov, s);
1179 if(mov->mode == MODE_MOV){ // the title field breaks gtkpod with mp4 and my suspicion is that stuff isnt valid in mp4
1181 for (i=0; i<mov->nb_streams; i++) {
1182 if(mov->tracks[i].entry <= 0) continue;
1183 if (mov->tracks[i].enc->codec_id == CODEC_ID_AAC ||
1184 mov->tracks[i].enc->codec_id == CODEC_ID_MPEG4) {
1185 mov_write_string_tag(pb, "\251req", "QuickTime 6.0 or greater", 0);
1190 mov_write_string_tag(pb, "\251nam", s->title , 0);
1191 mov_write_string_tag(pb, "\251aut", s->author , 0);
1192 mov_write_string_tag(pb, "\251alb", s->album , 0);
1193 mov_write_day_tag(pb, s->year, 0);
1194 if(mov->tracks[0].enc && !(mov->tracks[0].enc->flags & CODEC_FLAG_BITEXACT))
1195 mov_write_string_tag(pb, "\251enc", LIBAVFORMAT_IDENT, 0);
1196 mov_write_string_tag(pb, "\251des", s->comment , 0);
1197 mov_write_string_tag(pb, "\251gen", s->genre , 0);
1200 return updateSize(pb, pos);
1204 static size_t ascii_to_wc (ByteIOContext *pb, char *b, size_t n)
1208 for (i = 0; i < n - 1; i++) {
1210 if (! (0x20 <= c && c <= 0x7f ))
1218 static uint16_t language_code (const char *str)
1220 return ((((str[0]-0x60) & 0x1F)<<10) + (((str[1]-0x60) & 0x1F)<<5) + ((str[2]-0x60) & 0x1F));
1223 static int mov_write_uuidusmt_tag (ByteIOContext *pb, AVFormatContext *s)
1226 offset_t pos, curpos;
1230 pos = url_ftell(pb);
1231 put_be32(pb, 0); /* size placeholder*/
1232 put_tag(pb, "uuid");
1233 put_tag(pb, "USMT");
1234 put_be32(pb, 0x21d24fce ); /* 96 bit UUID */
1235 put_be32(pb, 0xbb88695c );
1236 put_be32(pb, 0xfac9c740 );
1239 put_be32(pb, 0); /* size placeholder*/
1240 put_tag(pb, "MTDT");
1245 put_be16(pb, 0x0C); /* size */
1246 put_be32(pb, 0x0B); /* type */
1247 put_be16(pb, language_code("und")); /* language */
1248 put_be16(pb, 0x0); /* ? */
1249 put_be16(pb, 0x021C); /* data */
1253 len = strlen(LIBAVCODEC_IDENT)+1;
1254 put_be16(pb, len*2+10); /* size */
1255 put_be32(pb, 0x04); /* type */
1256 put_be16(pb, language_code("eng")); /* language */
1257 put_be16(pb, 0x01); /* ? */
1258 ascii_to_wc(pb, LIBAVCODEC_IDENT, len);
1262 len = strlen(s->title)+1;
1263 put_be16(pb, len*2+10); /* size */
1264 put_be32(pb, 0x01); /* type */
1265 put_be16(pb, language_code("eng")); /* language */
1266 put_be16(pb, 0x01); /* ? */
1267 ascii_to_wc (pb, s->title, len);
1271 // 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);
1272 len = strlen("2006/04/01 11:11:11")+1;
1273 put_be16(pb, len*2+10); /* size */
1274 put_be32(pb, 0x03); /* type */
1275 put_be16(pb, language_code("und")); /* language */
1276 put_be16(pb, 0x01); /* ? */
1277 ascii_to_wc (pb, "2006/04/01 11:11:11", len);
1281 curpos = url_ftell(pb);
1282 url_fseek(pb, pos, SEEK_SET);
1284 url_fseek(pb, pos+24, SEEK_SET);
1285 put_be32(pb, size-24);
1286 url_fseek(pb, curpos, SEEK_SET);
1292 static int mov_write_moov_tag(ByteIOContext *pb, MOVContext *mov,
1296 offset_t pos = url_ftell(pb);
1297 put_be32(pb, 0); /* size placeholder*/
1298 put_tag(pb, "moov");
1299 mov->timescale = globalTimescale;
1301 for (i=0; i<mov->nb_streams; i++) {
1302 if(mov->tracks[i].entry <= 0) continue;
1304 mov->tracks[i].trackDuration =
1305 (int64_t)mov->tracks[i].sampleCount * mov->tracks[i].sampleDuration;
1306 mov->tracks[i].time = mov->time;
1307 mov->tracks[i].trackID = i+1;
1310 mov_write_mvhd_tag(pb, mov);
1311 //mov_write_iods_tag(pb, mov);
1312 for (i=0; i<mov->nb_streams; i++) {
1313 if(mov->tracks[i].entry > 0) {
1314 mov_write_trak_tag(pb, &(mov->tracks[i]));
1318 if (mov->mode == MODE_PSP)
1319 mov_write_uuidusmt_tag(pb, s);
1321 mov_write_udta_tag(pb, mov, s);
1323 return updateSize(pb, pos);
1326 static int mov_write_mdat_tag(ByteIOContext *pb, MOVContext* mov)
1328 put_be32(pb, 8); // placeholder for extended size field (64 bit)
1329 put_tag(pb, mov->mode == MODE_MOV ? "wide" : "free");
1331 mov->mdat_pos = url_ftell(pb);
1332 put_be32(pb, 0); /* size placeholder*/
1333 put_tag(pb, "mdat");
1337 /* TODO: This needs to be more general */
1338 static void mov_write_ftyp_tag (ByteIOContext *pb, AVFormatContext *s)
1340 MOVContext *mov = s->priv_data;
1342 put_be32(pb, 0x14 ); /* size */
1343 put_tag(pb, "ftyp");
1345 if ( mov->mode == MODE_3GP )
1346 put_tag(pb, "3gp4");
1347 else if ( mov->mode == MODE_3G2 )
1348 put_tag(pb, "3g2a");
1349 else if ( mov->mode == MODE_PSP )
1350 put_tag(pb, "MSNV");
1351 else if ( mov->mode == MODE_MP4 )
1352 put_tag(pb, "isom");
1356 put_be32(pb, 0x200 );
1358 if ( mov->mode == MODE_3GP )
1359 put_tag(pb, "3gp4");
1360 else if ( mov->mode == MODE_3G2 )
1361 put_tag(pb, "3g2a");
1362 else if ( mov->mode == MODE_PSP )
1363 put_tag(pb, "MSNV");
1364 else if ( mov->mode == MODE_MP4 )
1365 put_tag(pb, "mp41");
1370 static void mov_write_uuidprof_tag(ByteIOContext *pb, AVFormatContext *s)
1372 AVCodecContext *VideoCodec = s->streams[0]->codec;
1373 AVCodecContext *AudioCodec = s->streams[1]->codec;
1374 int AudioRate = AudioCodec->sample_rate;
1375 int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num);
1376 int audio_kbitrate= AudioCodec->bit_rate / 1000;
1377 int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate);
1379 put_be32(pb, 0x94 ); /* size */
1380 put_tag(pb, "uuid");
1381 put_tag(pb, "PROF");
1383 put_be32(pb, 0x21d24fce ); /* 96 bit UUID */
1384 put_be32(pb, 0xbb88695c );
1385 put_be32(pb, 0xfac9c740 );
1387 put_be32(pb, 0x0 ); /* ? */
1388 put_be32(pb, 0x3 ); /* 3 sections ? */
1390 put_be32(pb, 0x14 ); /* size */
1391 put_tag(pb, "FPRF");
1392 put_be32(pb, 0x0 ); /* ? */
1393 put_be32(pb, 0x0 ); /* ? */
1394 put_be32(pb, 0x0 ); /* ? */
1396 put_be32(pb, 0x2c ); /* size */
1397 put_tag(pb, "APRF"); /* audio */
1399 put_be32(pb, 0x2 ); /* TrackID */
1400 put_tag(pb, "mp4a");
1401 put_be32(pb, 0x20f );
1403 put_be32(pb, audio_kbitrate);
1404 put_be32(pb, audio_kbitrate);
1405 put_be32(pb, AudioRate );
1406 put_be32(pb, AudioCodec->channels );
1408 put_be32(pb, 0x34 ); /* size */
1409 put_tag(pb, "VPRF"); /* video */
1411 put_be32(pb, 0x1 ); /* TrackID */
1412 if (VideoCodec->codec_id == CODEC_ID_H264) {
1413 put_tag(pb, "avc1");
1414 put_be16(pb, 0x014D );
1415 put_be16(pb, 0x0015 );
1417 put_tag(pb, "mp4v");
1418 put_be16(pb, 0x0000 );
1419 put_be16(pb, 0x0103 );
1422 put_be32(pb, video_kbitrate);
1423 put_be32(pb, video_kbitrate);
1424 put_be32(pb, FrameRate);
1425 put_be32(pb, FrameRate);
1426 put_be16(pb, VideoCodec->width);
1427 put_be16(pb, VideoCodec->height);
1428 put_be32(pb, 0x010001); /* ? */
1431 static int mov_write_header(AVFormatContext *s)
1433 ByteIOContext *pb = &s->pb;
1434 MOVContext *mov = s->priv_data;
1437 /* Default mode == MP4 */
1438 mov->mode = MODE_MP4;
1440 if (s->oformat != NULL) {
1441 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
1442 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3G2;
1443 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
1444 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
1446 mov_write_ftyp_tag(pb,s);
1447 if ( mov->mode == MODE_PSP ) {
1448 if ( s->nb_streams != 2 ) {
1449 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
1452 mov_write_uuidprof_tag(pb,s);
1456 for(i=0; i<s->nb_streams; i++){
1457 AVStream *st= s->streams[i];
1458 MOVTrack *track= &mov->tracks[i];
1460 track->enc = st->codec;
1461 track->language = ff_mov_iso639_to_lang(st->language, mov->mode != MODE_MOV);
1462 track->mode = mov->mode;
1463 if(st->codec->codec_type == CODEC_TYPE_VIDEO){
1464 track->tag = mov_find_video_codec_tag(s, track);
1465 track->timescale = st->codec->time_base.den;
1466 track->sampleDuration = st->codec->time_base.num;
1467 av_set_pts_info(st, 64, 1, st->codec->time_base.den);
1468 }else if(st->codec->codec_type == CODEC_TYPE_AUDIO){
1469 track->tag = mov_find_audio_codec_tag(s, track);
1470 track->timescale = st->codec->sample_rate;
1471 track->sampleDuration = st->codec->frame_size;
1472 av_set_pts_info(st, 64, 1, st->codec->sample_rate);
1473 track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
1475 if (!track->sampleDuration) {
1476 av_log(s, AV_LOG_ERROR, "track %d: sample duration is not set\n", i);
1481 mov_write_mdat_tag(pb, mov);
1482 mov->time = s->timestamp + 0x7C25B080; //1970 based -> 1904 based
1483 mov->nb_streams = s->nb_streams;
1485 put_flush_packet(pb);
1490 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
1492 MOVContext *mov = s->priv_data;
1493 ByteIOContext *pb = &s->pb;
1494 MOVTrack *trk = &mov->tracks[pkt->stream_index];
1495 AVCodecContext *enc = trk->enc;
1496 unsigned int samplesInChunk = 0;
1497 int size= pkt->size;
1499 if (url_is_streamed(&s->pb)) return 0; /* Can't handle that */
1500 if (!size) return 0; /* Discard 0 sized packets */
1502 if (enc->codec_id == CODEC_ID_AMR_NB) {
1503 /* We must find out how many AMR blocks there are in one packet */
1504 static uint16_t packed_size[16] =
1505 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 0};
1508 while (len < size && samplesInChunk < 100) {
1509 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
1512 if(samplesInChunk > 1){
1513 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, inplement a AVParser for it\n");
1516 } else if (trk->sampleSize)
1517 samplesInChunk = size/trk->sampleSize;
1521 /* copy extradata if it exists */
1522 if (trk->vosLen == 0 && enc->extradata_size > 0) {
1523 trk->vosLen = enc->extradata_size;
1524 trk->vosData = av_malloc(trk->vosLen);
1525 memcpy(trk->vosData, enc->extradata, trk->vosLen);
1528 if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) {
1529 /* from x264 or from bytestream h264 */
1530 /* nal reformating needed */
1531 avc_parse_nal_units(&pkt->data, &pkt->size);
1536 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
1537 trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster));
1542 trk->cluster[trk->entry].pos = url_ftell(pb);
1543 trk->cluster[trk->entry].samplesInChunk = samplesInChunk;
1544 trk->cluster[trk->entry].size = size;
1545 trk->cluster[trk->entry].entries = samplesInChunk;
1546 if(enc->codec_type == CODEC_TYPE_VIDEO) {
1547 if (pkt->dts != pkt->pts)
1548 trk->hasBframes = 1;
1549 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
1550 trk->cluster[trk->entry].key_frame = !!(pkt->flags & PKT_FLAG_KEY);
1551 if(trk->cluster[trk->entry].key_frame)
1552 trk->hasKeyframes++;
1555 trk->sampleCount += samplesInChunk;
1556 mov->mdat_size += size;
1558 put_buffer(pb, pkt->data, size);
1560 put_flush_packet(pb);
1564 static int mov_write_trailer(AVFormatContext *s)
1566 MOVContext *mov = s->priv_data;
1567 ByteIOContext *pb = &s->pb;
1571 offset_t moov_pos = url_ftell(pb);
1573 /* Write size of mdat tag */
1574 if (mov->mdat_size+8 <= UINT32_MAX) {
1575 url_fseek(pb, mov->mdat_pos, SEEK_SET);
1576 put_be32(pb, mov->mdat_size+8);
1578 /* overwrite 'wide' placeholder atom */
1579 url_fseek(pb, mov->mdat_pos - 8, SEEK_SET);
1580 put_be32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */
1581 put_tag(pb, "mdat");
1582 put_be64(pb, mov->mdat_size+16);
1584 url_fseek(pb, moov_pos, SEEK_SET);
1586 mov_write_moov_tag(pb, mov, s);
1588 for (i=0; i<mov->nb_streams; i++) {
1589 av_freep(&mov->tracks[i].cluster);
1591 if( mov->tracks[i].vosLen ) av_free( mov->tracks[i].vosData );
1595 put_flush_packet(pb);
1600 #ifdef CONFIG_MOV_MUXER
1601 AVOutputFormat mov_muxer = {
1612 .flags = AVFMT_GLOBALHEADER,
1615 #ifdef CONFIG_TGP_MUXER
1616 AVOutputFormat tgp_muxer = {
1627 .flags = AVFMT_GLOBALHEADER,
1630 #ifdef CONFIG_MP4_MUXER
1631 AVOutputFormat mp4_muxer = {
1642 .flags = AVFMT_GLOBALHEADER,
1645 #ifdef CONFIG_PSP_MUXER
1646 AVOutputFormat psp_muxer = {
1657 .flags = AVFMT_GLOBALHEADER,
1660 #ifdef CONFIG_TG2_MUXER
1661 AVOutputFormat tg2_muxer = {
1672 .flags = AVFMT_GLOBALHEADER,