2 * MOV, 3GP, MP4 encoder.
3 * Copyright (c) 2003 Thomas Raivio.
4 * Copyright (c) 2004 Gildas Bazin <gbazin at videolan dot org>.
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.
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.
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
28 #define MOV_INDEX_CLUSTER_SIZE 16384
29 #define globalTimescale 1000
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
38 typedef struct MOVIentry {
39 unsigned int flags, size;
41 unsigned int samplesInChunk;
47 typedef struct MOVIndex {
52 int64_t trackDuration;
68 typedef struct MOVContext {
75 MOVTrack tracks[MAX_STREAMS];
78 //FIXME supprt 64bit varaint with wide placeholders
79 static offset_t updateSize (ByteIOContext *pb, offset_t pos)
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);
89 /* Chunk offset atom */
90 static int mov_write_stco_tag(ByteIOContext *pb, MOVTrack* track)
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) {
101 put_be32(pb, 0); /* version & flags */
102 put_be32(pb, track->entry); /* entry count */
103 for (i=0; i<track->entry; i++) {
105 put_be64(pb, track->cluster[i].pos);
107 put_be32(pb, track->cluster[i].pos);
109 return updateSize (pb, pos);
112 /* Sample size atom */
113 static int mov_write_stsz_tag(ByteIOContext *pb, MOVTrack* track)
116 int i, j, entries = 0, tst = -1, oldtst = -1;
118 offset_t pos = url_ftell(pb);
119 put_be32(pb, 0); /* size */
121 put_be32(pb, 0); /* version & flags */
123 for (i=0; i<track->entry; i++) {
124 tst = track->cluster[i].size/track->cluster[i].entries;
125 if(oldtst != -1 && tst != oldtst) {
129 entries += track->cluster[i].entries;
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
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);
146 return updateSize (pb, pos);
149 /* Sample to chunk atom */
150 static int mov_write_stsc_tag(ByteIOContext *pb, MOVTrack* track)
152 int index = 0, oldval = -1, i;
153 offset_t entryPos, curpos;
155 offset_t pos = url_ftell(pb);
156 put_be32(pb, 0); /* size */
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)
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;
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);
176 return updateSize (pb, pos);
179 /* Sync sample atom */
180 static int mov_write_stss_tag(ByteIOContext *pb, MOVTrack* track)
182 offset_t curpos, entryPos;
184 offset_t pos = url_ftell(pb);
185 put_be32(pb, 0); // size
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) {
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);
203 static int mov_write_amr_tag(ByteIOContext *pb, MOVTrack *track)
205 put_be32(pb, 0x11); /* size */
206 if (track->mode == MODE_MOV) put_tag(pb, "samr");
207 else put_tag(pb, "damr");
209 put_byte(pb, 0); /* decoder version */
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 */
217 static int mov_write_enda_tag(ByteIOContext *pb)
221 put_be16(pb, 1); /* little endian */
225 static unsigned int descrLength(unsigned int len)
228 for(i=1; len>>(7*i); i++);
232 static void putDescr(ByteIOContext *pb, int tag, unsigned int size)
234 int i= descrLength(size) - size - 2;
237 put_byte(pb, (size>>(7*i)) | 0x80);
238 put_byte(pb, size & 0x7F);
241 static int mov_write_esds_tag(ByteIOContext *pb, MOVTrack* track) // Basic
243 offset_t pos = url_ftell(pb);
244 int decoderSpecificInfoLen = track->vosLen ? descrLength(track->vosLen):0;
246 put_be32(pb, 0); // size
248 put_be32(pb, 0); // Version
251 putDescr(pb, 0x03, 3 + descrLength(13 + decoderSpecificInfoLen) +
253 put_be16(pb, track->trackID);
254 put_byte(pb, 0x00); // flags (= no flags)
256 // DecoderConfig descriptor
257 putDescr(pb, 0x04, 13 + decoderSpecificInfoLen);
259 // Object type indication
260 put_byte(pb, codec_get_tag(ff_mov_obj_type, track->enc->codec_id));
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)
267 put_byte(pb, 0x11); // flags (= Visualstream)
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
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
276 put_be32(pb, track->enc->rc_max_rate); // avg bitrate
280 // DecoderSpecific info descriptor
281 putDescr(pb, 0x05, track->vosLen);
282 put_buffer(pb, track->vosData, track->vosLen);
287 putDescr(pb, 0x06, 1);
289 return updateSize (pb, pos);
292 static int mov_write_wave_tag(ByteIOContext *pb, MOVTrack* track)
294 offset_t pos = url_ftell(pb);
296 put_be32(pb, 0); /* size */
299 put_be32(pb, 12); /* size */
301 put_le32(pb, track->tag);
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 */
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);
316 put_be32(pb, 8); /* size */
317 put_be32(pb, 0); /* null tag */
319 return updateSize (pb, pos);
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 },
341 static int mov_write_audio_tag(ByteIOContext *pb, MOVTrack* track)
343 offset_t pos = url_ftell(pb);
344 int vbr= track->enc->codec_id == CODEC_ID_AAC ||
345 track->enc->codec_id == CODEC_ID_MP3 ||
346 track->enc->codec_id == CODEC_ID_AMR_NB;
347 int version = track->mode == MODE_MOV &&
349 track->enc->codec_id == CODEC_ID_PCM_S32LE ||
350 track->enc->codec_id == CODEC_ID_PCM_S24LE);
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 */
358 /* SoundDescription */
359 put_be16(pb, version); /* Version */
360 put_be16(pb, 0); /* Revision level */
361 put_be32(pb, 0); /* Reserved */
363 put_be16(pb, track->enc->channels); /* Number of channels */
364 /* TODO: Currently hard-coded to 16-bit, there doesn't seem
365 to be a good way to get number of bits of audio */
366 put_be16(pb, 0x10); /* Reserved */
369 put_be16(pb, 0xfffe); /* compression ID (vbr)*/
371 put_be16(pb, 0); /* compression ID (= 0) */
373 put_be16(pb, 0); /* packet size (= 0) */
374 put_be16(pb, track->timescale); /* Time scale */
375 put_be16(pb, 0); /* Reserved */
377 if(version == 1) { /* SoundDescription V1 extended info */
379 track->sampleSize = 0;
380 put_be32(pb, track->enc->frame_size); /* Samples per packet */
381 put_be32(pb, track->sampleSize / track->enc->channels); /* Bytes per packet */
382 put_be32(pb, track->sampleSize); /* Bytes per frame */
383 put_be32(pb, 2); /* Bytes per sample */
386 if(track->mode == MODE_MOV &&
387 (track->enc->codec_id == CODEC_ID_AAC ||
388 track->enc->codec_id == CODEC_ID_AMR_NB ||
389 track->enc->codec_id == CODEC_ID_PCM_S24LE ||
390 track->enc->codec_id == CODEC_ID_PCM_S32LE))
391 mov_write_wave_tag(pb, track);
392 else if(track->enc->codec_id == CODEC_ID_AAC)
393 mov_write_esds_tag(pb, track);
394 else if(track->enc->codec_id == CODEC_ID_AMR_NB)
395 mov_write_amr_tag(pb, track);
397 return updateSize (pb, pos);
400 static int mov_write_d263_tag(ByteIOContext *pb)
402 put_be32(pb, 0xf); /* size */
410 /* TODO: No idea about these values */
411 static int mov_write_svq3_tag(ByteIOContext *pb)
417 put_be32(pb, 0xe2c0211d);
418 put_be32(pb, 0xc0000000);
423 static uint8_t *avc_find_startcode( uint8_t *p, uint8_t *end )
425 uint8_t *a = p + 4 - ((int)p & 3);
427 for( end -= 3; p < a && p < end; p++ ) {
428 if( p[0] == 0 && p[1] == 0 && p[2] == 1 )
432 for( end -= 3; p < end; p += 4 ) {
433 uint32_t x = *(uint32_t*)p;
434 // if( (x - 0x01000100) & (~x) & 0x80008000 ) // little endian
435 // if( (x - 0x00010001) & (~x) & 0x00800080 ) // big endian
436 if( (x - 0x01010101) & (~x) & 0x80808080 ) { // generic
438 if( p[0] == 0 && p[2] == 1 )
440 if( p[2] == 0 && p[3] == 1 )
444 if( p[2] == 0 && p[4] == 1 )
446 if( p[4] == 0 && p[5] == 1 )
452 for( end += 3; p < end; p++ ) {
453 if( p[0] == 0 && p[1] == 0 && p[2] == 1 )
460 static void avc_parse_nal_units(uint8_t **buf, int *size)
464 uint8_t *end = p + *size;
465 uint8_t *nal_start, *nal_end;
467 url_open_dyn_buf(&pb);
468 nal_start = avc_find_startcode(p, end);
469 while (nal_start < end) {
470 while(!*(nal_start++));
471 nal_end = avc_find_startcode(nal_start, end);
472 put_be32(&pb, nal_end - nal_start);
473 put_buffer(&pb, nal_start, nal_end - nal_start);
477 *size = url_close_dyn_buf(&pb, buf);
480 static int mov_write_avcc_tag(ByteIOContext *pb, MOVTrack *track)
482 offset_t pos = url_ftell(pb);
486 if (track->vosLen > 6) {
487 /* check for h264 start code */
488 if (BE_32(track->vosData) == 0x00000001) {
490 uint32_t sps_size=0, pps_size=0;
491 uint8_t *sps=0, *pps=0;
493 avc_parse_nal_units(&track->vosData, &track->vosLen);
494 buf = track->vosData;
495 end = track->vosData + track->vosLen;
497 /* look for sps and pps */
502 nal_type = buf[4] & 0x1f;
503 if (nal_type == 7) { /* SPS */
506 } else if (nal_type == 8) { /* PPS */
515 put_byte(pb, 1); /* version */
516 put_byte(pb, sps[1]); /* profile */
517 put_byte(pb, sps[2]); /* profile compat */
518 put_byte(pb, sps[3]); /* level */
519 put_byte(pb, 0xff); /* 6 bits reserved (111111) + 2 bits nal size length - 1 (11) */
520 put_byte(pb, 0xe1); /* 3 bits reserved (111) + 5 bits number of sps (00001) */
522 put_be16(pb, sps_size);
523 put_buffer(pb, sps, sps_size);
524 put_byte(pb, 1); /* number of pps */
525 put_be16(pb, pps_size);
526 put_buffer(pb, pps, pps_size);
528 put_buffer(pb, track->vosData, track->vosLen);
531 return updateSize(pb, pos);
534 static const CodecTag codec_movvideo_tags[] = {
535 { CODEC_ID_SVQ1, MKTAG('S', 'V', 'Q', '1') },
536 { CODEC_ID_SVQ3, MKTAG('S', 'V', 'Q', '3') },
537 { CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
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');
568 tag = codec_get_tag(codec_movvideo_tags, track->enc->codec_id);
571 // if no mac fcc found, try with Microsoft tags
573 tag = codec_get_tag(codec_bmp_tags, track->enc->codec_id);
575 av_log(s, AV_LOG_INFO, "Warning, using MS style video codec tag, the file may be unplayable!\n");
582 static int mov_find_audio_codec_tag(AVFormatContext *s, MOVTrack *track)
584 int tag = track->enc->codec_tag;
586 tag = codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
588 // if no mac fcc found, try with Microsoft tags
590 int ms_tag = codec_get_tag(codec_wav_tags, track->enc->codec_id);
592 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
593 av_log(s, AV_LOG_INFO, "Warning, using MS style audio codec tag, the file may be unplayable!\n");
600 static int mov_write_video_tag(ByteIOContext *pb, MOVTrack* track)
602 offset_t pos = url_ftell(pb);
603 char compressor_name[32];
605 put_be32(pb, 0); /* size */
606 put_le32(pb, track->tag); // store it byteswapped
607 put_be32(pb, 0); /* Reserved */
608 put_be16(pb, 0); /* Reserved */
609 put_be16(pb, 1); /* Data-reference index */
611 put_be16(pb, 0); /* Codec stream version */
612 put_be16(pb, 0); /* Codec stream revision (=0) */
613 put_tag(pb, "FFMP"); /* Vendor */
614 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
615 put_be32(pb, 0); /* Temporal Quality */
616 put_be32(pb, 0x400); /* Spatial Quality = lossless*/
618 put_be32(pb, 0x200); /* Temporal Quality = normal */
619 put_be32(pb, 0x200); /* Spatial Quality = normal */
621 put_be16(pb, track->enc->width); /* Video width */
622 put_be16(pb, track->enc->height); /* Video height */
623 put_be32(pb, 0x00480000); /* Horizontal resolution 72dpi */
624 put_be32(pb, 0x00480000); /* Vertical resolution 72dpi */
625 put_be32(pb, 0); /* Data size (= 0) */
626 put_be16(pb, 1); /* Frame count (= 1) */
628 memset(compressor_name,0,32);
629 if (track->enc->codec && track->enc->codec->name)
630 strncpy(compressor_name,track->enc->codec->name,31);
631 put_byte(pb, strlen(compressor_name));
632 put_buffer(pb, compressor_name, 31);
634 put_be16(pb, 0x18); /* Reserved */
635 put_be16(pb, 0xffff); /* Reserved */
636 if(track->enc->codec_id == CODEC_ID_MPEG4)
637 mov_write_esds_tag(pb, track);
638 else if(track->enc->codec_id == CODEC_ID_H263)
639 mov_write_d263_tag(pb);
640 else if(track->enc->codec_id == CODEC_ID_SVQ3)
641 mov_write_svq3_tag(pb);
642 else if(track->enc->codec_id == CODEC_ID_H264)
643 mov_write_avcc_tag(pb, track);
645 return updateSize (pb, pos);
648 static int mov_write_stsd_tag(ByteIOContext *pb, MOVTrack* track)
650 offset_t pos = url_ftell(pb);
651 put_be32(pb, 0); /* size */
653 put_be32(pb, 0); /* version & flags */
654 put_be32(pb, 1); /* entry count */
655 if (track->enc->codec_type == CODEC_TYPE_VIDEO)
656 mov_write_video_tag(pb, track);
657 else if (track->enc->codec_type == CODEC_TYPE_AUDIO)
658 mov_write_audio_tag(pb, track);
659 return updateSize(pb, pos);
662 static int mov_write_ctts_tag(ByteIOContext *pb, MOVTrack* track)
664 Time2Sample *ctts_entries;
665 uint32_t entries = 0;
669 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
670 ctts_entries[0].count = 1;
671 ctts_entries[0].duration = track->cluster[0].cts;
672 for (i=1; i<track->entry; i++) {
673 if (track->cluster[i].cts == ctts_entries[entries].duration) {
674 ctts_entries[entries].count++; /* compress */
677 ctts_entries[entries].duration = track->cluster[i].cts;
678 ctts_entries[entries].count = 1;
681 entries++; /* last one */
682 atom_size = 16 + (entries * 8);
683 put_be32(pb, atom_size); /* size */
685 put_be32(pb, 0); /* version & flags */
686 put_be32(pb, entries); /* entry count */
687 for (i=0; i<entries; i++) {
688 put_be32(pb, ctts_entries[i].count);
689 put_be32(pb, ctts_entries[i].duration);
691 av_free(ctts_entries);
696 /* Time to sample atom */
697 static int mov_write_stts_tag(ByteIOContext *pb, MOVTrack* track)
699 put_be32(pb, 0x18); /* size */
701 put_be32(pb, 0); /* version & flags */
702 put_be32(pb, 1); /* entry count */
704 put_be32(pb, track->sampleCount); /* sample count */
705 put_be32(pb, track->sampleDuration); /* sample duration */
709 static int mov_write_dref_tag(ByteIOContext *pb)
711 put_be32(pb, 28); /* size */
713 put_be32(pb, 0); /* version & flags */
714 put_be32(pb, 1); /* entry count */
716 put_be32(pb, 0xc); /* size */
718 put_be32(pb, 1); /* version & flags */
723 static int mov_write_stbl_tag(ByteIOContext *pb, MOVTrack* track)
725 offset_t pos = url_ftell(pb);
726 put_be32(pb, 0); /* size */
728 mov_write_stsd_tag(pb, track);
729 mov_write_stts_tag(pb, track);
730 if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
731 track->hasKeyframes < track->entry)
732 mov_write_stss_tag(pb, track);
733 if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
735 mov_write_ctts_tag(pb, track);
736 mov_write_stsc_tag(pb, track);
737 mov_write_stsz_tag(pb, track);
738 mov_write_stco_tag(pb, track);
739 return updateSize(pb, pos);
742 static int mov_write_dinf_tag(ByteIOContext *pb)
744 offset_t pos = url_ftell(pb);
745 put_be32(pb, 0); /* size */
747 mov_write_dref_tag(pb);
748 return updateSize(pb, pos);
751 static int mov_write_smhd_tag(ByteIOContext *pb)
753 put_be32(pb, 16); /* size */
755 put_be32(pb, 0); /* version & flags */
756 put_be16(pb, 0); /* reserved (balance, normally = 0) */
757 put_be16(pb, 0); /* reserved */
761 static int mov_write_vmhd_tag(ByteIOContext *pb)
763 put_be32(pb, 0x14); /* size (always 0x14) */
765 put_be32(pb, 0x01); /* version & flags */
766 put_be64(pb, 0); /* reserved (graphics mode = copy) */
770 static int mov_write_hdlr_tag(ByteIOContext *pb, MOVTrack* track)
772 const char *descr, *hdlr, *hdlr_type;
773 offset_t pos = url_ftell(pb);
775 if (!track) { /* no media --> data handler */
778 descr = "DataHandler";
780 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
781 if (track->enc->codec_type == CODEC_TYPE_VIDEO) {
783 descr = "VideoHandler";
786 descr = "SoundHandler";
790 put_be32(pb, 0); /* size */
792 put_be32(pb, 0); /* Version & flags */
793 put_buffer(pb, hdlr, 4); /* handler */
794 put_tag(pb, hdlr_type); /* handler type */
795 put_be32(pb ,0); /* reserved */
796 put_be32(pb ,0); /* reserved */
797 put_be32(pb ,0); /* reserved */
798 put_byte(pb, strlen(descr)); /* string counter */
799 put_buffer(pb, descr, strlen(descr)); /* handler description */
800 return updateSize(pb, pos);
803 static int mov_write_minf_tag(ByteIOContext *pb, MOVTrack* track)
805 offset_t pos = url_ftell(pb);
806 put_be32(pb, 0); /* size */
808 if(track->enc->codec_type == CODEC_TYPE_VIDEO)
809 mov_write_vmhd_tag(pb);
811 mov_write_smhd_tag(pb);
812 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
813 mov_write_hdlr_tag(pb, NULL);
814 mov_write_dinf_tag(pb);
815 mov_write_stbl_tag(pb, track);
816 return updateSize(pb, pos);
819 static int mov_write_mdhd_tag(ByteIOContext *pb, MOVTrack* track)
821 int version = track->trackDuration < INT32_MAX ? 0 : 1;
823 (version == 1) ? put_be32(pb, 44) : put_be32(pb, 32); /* size */
825 put_byte(pb, version);
826 put_be24(pb, 0); /* flags */
828 put_be64(pb, track->time);
829 put_be64(pb, track->time);
831 put_be32(pb, track->time); /* creation time */
832 put_be32(pb, track->time); /* modification time */
834 put_be32(pb, track->timescale); /* time scale (sample rate for audio) */
835 (version == 1) ? put_be64(pb, track->trackDuration) : put_be32(pb, track->trackDuration); /* duration */
836 put_be16(pb, track->language); /* language */
837 put_be16(pb, 0); /* reserved (quality) */
841 static int mov_write_mdia_tag(ByteIOContext *pb, MOVTrack* track)
843 offset_t pos = url_ftell(pb);
844 put_be32(pb, 0); /* size */
846 mov_write_mdhd_tag(pb, track);
847 mov_write_hdlr_tag(pb, track);
848 mov_write_minf_tag(pb, track);
849 return updateSize(pb, pos);
852 static int mov_write_tkhd_tag(ByteIOContext *pb, MOVTrack* track)
854 int64_t duration = av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP);
855 int version = duration < INT32_MAX ? 0 : 1;
857 (version == 1) ? put_be32(pb, 104) : put_be32(pb, 92); /* size */
859 put_byte(pb, version);
860 put_be24(pb, 0xf); /* flags (track enabled) */
862 put_be64(pb, track->time);
863 put_be64(pb, track->time);
865 put_be32(pb, track->time); /* creation time */
866 put_be32(pb, track->time); /* modification time */
868 put_be32(pb, track->trackID); /* track-id */
869 put_be32(pb, 0); /* reserved */
870 (version == 1) ? put_be64(pb, duration) : put_be32(pb, duration);
872 put_be32(pb, 0); /* reserved */
873 put_be32(pb, 0); /* reserved */
874 put_be32(pb, 0x0); /* reserved (Layer & Alternate group) */
875 /* Volume, only for audio */
876 if(track->enc->codec_type == CODEC_TYPE_AUDIO)
877 put_be16(pb, 0x0100);
880 put_be16(pb, 0); /* reserved */
882 /* Matrix structure */
883 put_be32(pb, 0x00010000); /* reserved */
884 put_be32(pb, 0x0); /* reserved */
885 put_be32(pb, 0x0); /* reserved */
886 put_be32(pb, 0x0); /* reserved */
887 put_be32(pb, 0x00010000); /* reserved */
888 put_be32(pb, 0x0); /* reserved */
889 put_be32(pb, 0x0); /* reserved */
890 put_be32(pb, 0x0); /* reserved */
891 put_be32(pb, 0x40000000); /* reserved */
893 /* Track width and height, for visual only */
894 if(track->enc->codec_type == CODEC_TYPE_VIDEO) {
895 double sample_aspect_ratio = av_q2d(track->enc->sample_aspect_ratio);
896 if( !sample_aspect_ratio ) sample_aspect_ratio = 1;
897 put_be32(pb, sample_aspect_ratio * track->enc->width*0x10000);
898 put_be32(pb, track->enc->height*0x10000);
907 // This box seems important for the psp playback ... without it the movie seems to hang
908 static int mov_write_edts_tag(ByteIOContext *pb, MOVTrack *track)
910 put_be32(pb, 0x24); /* size */
912 put_be32(pb, 0x1c); /* size */
917 put_be32(pb, av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP)); /* duration ... doesn't seem to effect psp */
919 if (track->hasBframes)
920 put_be32(pb, track->sampleDuration); /* first pts is 1 */
923 put_be32(pb, 0x00010000);
927 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
928 static int mov_write_uuid_tag_psp(ByteIOContext *pb, MOVTrack *mov)
930 put_be32(pb, 0x34); /* size ... reports as 28 in mp4box! */
933 put_be32(pb, 0x21d24fce);
934 put_be32(pb, 0xbb88695c);
935 put_be32(pb, 0xfac9c740);
936 put_be32(pb, 0x1c); // another size here!
938 put_be32(pb, 0x00010012);
940 put_be32(pb, 0x55c40000);
946 static int mov_write_trak_tag(ByteIOContext *pb, MOVTrack* track)
948 offset_t pos = url_ftell(pb);
949 put_be32(pb, 0); /* size */
951 mov_write_tkhd_tag(pb, track);
952 if (track->mode == MODE_PSP || track->hasBframes)
953 mov_write_edts_tag(pb, track); // PSP Movies require edts box
954 mov_write_mdia_tag(pb, track);
955 if (track->mode == MODE_PSP)
956 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
957 return updateSize(pb, pos);
961 /* TODO: Not sorted out, but not necessary either */
962 static int mov_write_iods_tag(ByteIOContext *pb, MOVContext *mov)
964 put_be32(pb, 0x15); /* size */
966 put_be32(pb, 0); /* version & flags */
967 put_be16(pb, 0x1007);
969 put_be16(pb, 0x4fff);
970 put_be16(pb, 0xfffe);
971 put_be16(pb, 0x01ff);
976 static int mov_write_mvhd_tag(ByteIOContext *pb, MOVContext *mov)
978 int maxTrackID = 1, i;
979 int64_t maxTrackLenTemp, maxTrackLen = 0;
982 for (i=0; i<mov->nb_streams; i++) {
983 if(mov->tracks[i].entry > 0) {
984 maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration, globalTimescale, mov->tracks[i].timescale, AV_ROUND_UP);
985 if(maxTrackLen < maxTrackLenTemp)
986 maxTrackLen = maxTrackLenTemp;
987 if(maxTrackID < mov->tracks[i].trackID)
988 maxTrackID = mov->tracks[i].trackID;
992 version = maxTrackLen < UINT32_MAX ? 0 : 1;
993 (version == 1) ? put_be32(pb, 120) : put_be32(pb, 108); /* size */
995 put_byte(pb, version);
996 put_be24(pb, 0); /* flags */
998 put_be64(pb, mov->time);
999 put_be64(pb, mov->time);
1001 put_be32(pb, mov->time); /* creation time */
1002 put_be32(pb, mov->time); /* modification time */
1004 put_be32(pb, mov->timescale); /* timescale */
1005 (version == 1) ? put_be64(pb, maxTrackLen) : put_be32(pb, maxTrackLen); /* duration of longest track */
1007 put_be32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1008 put_be16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1009 put_be16(pb, 0); /* reserved */
1010 put_be32(pb, 0); /* reserved */
1011 put_be32(pb, 0); /* reserved */
1013 /* Matrix structure */
1014 put_be32(pb, 0x00010000); /* reserved */
1015 put_be32(pb, 0x0); /* reserved */
1016 put_be32(pb, 0x0); /* reserved */
1017 put_be32(pb, 0x0); /* reserved */
1018 put_be32(pb, 0x00010000); /* reserved */
1019 put_be32(pb, 0x0); /* reserved */
1020 put_be32(pb, 0x0); /* reserved */
1021 put_be32(pb, 0x0); /* reserved */
1022 put_be32(pb, 0x40000000); /* reserved */
1024 put_be32(pb, 0); /* reserved (preview time) */
1025 put_be32(pb, 0); /* reserved (preview duration) */
1026 put_be32(pb, 0); /* reserved (poster time) */
1027 put_be32(pb, 0); /* reserved (selection time) */
1028 put_be32(pb, 0); /* reserved (selection duration) */
1029 put_be32(pb, 0); /* reserved (current time) */
1030 put_be32(pb, maxTrackID+1); /* Next track id */
1034 static int mov_write_itunes_hdlr_tag(ByteIOContext *pb, MOVContext* mov,
1037 offset_t pos = url_ftell(pb);
1038 put_be32(pb, 0); /* size */
1039 put_tag(pb, "hdlr");
1042 put_tag(pb, "mdir");
1043 put_tag(pb, "appl");
1047 return updateSize(pb, pos);
1050 /* helper function to write a data tag with the specified string as data */
1051 static int mov_write_string_data_tag(ByteIOContext *pb, const char *data, int long_style)
1054 offset_t pos = url_ftell(pb);
1055 put_be32(pb, 0); /* size */
1056 put_tag(pb, "data");
1059 put_buffer(pb, data, strlen(data));
1060 return updateSize(pb, pos);
1062 put_be16(pb, strlen(data)); /* string length */
1064 put_buffer(pb, data, strlen(data));
1065 return strlen(data) + 4;
1069 static int mov_write_string_tag(ByteIOContext *pb, const char *name, const char *value, int long_style){
1071 if ( value && value[0] ) {
1072 offset_t pos = url_ftell(pb);
1073 put_be32(pb, 0); /* size */
1075 mov_write_string_data_tag(pb, value, long_style);
1076 size= updateSize(pb, pos);
1082 static int mov_write_day_tag(ByteIOContext *pb, int year, int long_style)
1086 snprintf(year_str, sizeof(year_str), "%04d", year);
1087 return mov_write_string_tag(pb, "\251day", year_str, long_style);
1092 /* iTunes track number */
1093 static int mov_write_trkn_tag(ByteIOContext *pb, MOVContext* mov,
1098 offset_t pos = url_ftell(pb);
1099 put_be32(pb, 0); /* size */
1100 put_tag(pb, "trkn");
1102 offset_t pos = url_ftell(pb);
1103 put_be32(pb, 0); /* size */
1104 put_tag(pb, "data");
1105 put_be32(pb, 0); // 8 bytes empty
1107 put_be16(pb, 0); // empty
1108 put_be16(pb, s->track); // track number
1109 put_be16(pb, 0); // total track number
1110 put_be16(pb, 0); // empty
1111 updateSize(pb, pos);
1113 size = updateSize(pb, pos);
1118 /* iTunes meta data list */
1119 static int mov_write_ilst_tag(ByteIOContext *pb, MOVContext* mov,
1122 offset_t pos = url_ftell(pb);
1123 put_be32(pb, 0); /* size */
1124 put_tag(pb, "ilst");
1125 mov_write_string_tag(pb, "\251nam", s->title , 1);
1126 mov_write_string_tag(pb, "\251ART", s->author , 1);
1127 mov_write_string_tag(pb, "\251wrt", s->author , 1);
1128 mov_write_string_tag(pb, "\251alb", s->album , 1);
1129 mov_write_day_tag(pb, s->year ,1);
1130 if(mov->tracks[0].enc && !(mov->tracks[0].enc->flags & CODEC_FLAG_BITEXACT))
1131 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 1);
1132 mov_write_string_tag(pb, "\251cmt", s->comment , 1);
1133 mov_write_string_tag(pb, "\251gen", s->genre , 1);
1134 mov_write_trkn_tag(pb, mov, s);
1135 return updateSize(pb, pos);
1138 /* iTunes meta data tag */
1139 static int mov_write_meta_tag(ByteIOContext *pb, MOVContext* mov,
1144 // only save meta tag if required
1145 if ( s->title[0] || s->author[0] || s->album[0] || s->year ||
1146 s->comment[0] || s->genre[0] || s->track ) {
1147 offset_t pos = url_ftell(pb);
1148 put_be32(pb, 0); /* size */
1149 put_tag(pb, "meta");
1151 mov_write_itunes_hdlr_tag(pb, mov, s);
1152 mov_write_ilst_tag(pb, mov, s);
1153 size = updateSize(pb, pos);
1158 static int mov_write_udta_tag(ByteIOContext *pb, MOVContext* mov,
1161 offset_t pos = url_ftell(pb);
1164 put_be32(pb, 0); /* size */
1165 put_tag(pb, "udta");
1167 /* iTunes meta data */
1168 mov_write_meta_tag(pb, mov, s);
1170 if(mov->mode == MODE_MOV){ // the title field breaks gtkpod with mp4 and my suspicion is that stuff isnt valid in mp4
1172 for (i=0; i<mov->nb_streams; i++) {
1173 if(mov->tracks[i].entry <= 0) continue;
1174 if (mov->tracks[i].enc->codec_id == CODEC_ID_AAC ||
1175 mov->tracks[i].enc->codec_id == CODEC_ID_MPEG4) {
1176 mov_write_string_tag(pb, "\251req", "QuickTime 6.0 or greater", 0);
1181 mov_write_string_tag(pb, "\251nam", s->title , 0);
1182 mov_write_string_tag(pb, "\251aut", s->author , 0);
1183 mov_write_string_tag(pb, "\251alb", s->album , 0);
1184 mov_write_day_tag(pb, s->year, 0);
1185 if(mov->tracks[0].enc && !(mov->tracks[0].enc->flags & CODEC_FLAG_BITEXACT))
1186 mov_write_string_tag(pb, "\251enc", LIBAVFORMAT_IDENT, 0);
1187 mov_write_string_tag(pb, "\251des", s->comment , 0);
1188 mov_write_string_tag(pb, "\251gen", s->genre , 0);
1191 return updateSize(pb, pos);
1195 static size_t ascii_to_wc (ByteIOContext *pb, char *b, size_t n)
1199 for (i = 0; i < n - 1; i++) {
1201 if (! (0x20 <= c && c <= 0x7f ))
1209 static uint16_t language_code (const char *str)
1211 return ((((str[0]-0x60) & 0x1F)<<10) + (((str[1]-0x60) & 0x1F)<<5) + ((str[2]-0x60) & 0x1F));
1214 static int mov_write_uuidusmt_tag (ByteIOContext *pb, AVFormatContext *s)
1217 offset_t pos, curpos;
1221 pos = url_ftell(pb);
1222 put_be32(pb, 0); /* size placeholder*/
1223 put_tag(pb, "uuid");
1224 put_tag(pb, "USMT");
1225 put_be32(pb, 0x21d24fce ); /* 96 bit UUID */
1226 put_be32(pb, 0xbb88695c );
1227 put_be32(pb, 0xfac9c740 );
1230 put_be32(pb, 0); /* size placeholder*/
1231 put_tag(pb, "MTDT");
1236 put_be16(pb, 0x0C); /* size */
1237 put_be32(pb, 0x0B); /* type */
1238 put_be16(pb, language_code("und")); /* language */
1239 put_be16(pb, 0x0); /* ? */
1240 put_be16(pb, 0x021C); /* data */
1244 len = strlen(LIBAVCODEC_IDENT)+1;
1245 put_be16(pb, len*2+10); /* size */
1246 put_be32(pb, 0x04); /* type */
1247 put_be16(pb, language_code("eng")); /* language */
1248 put_be16(pb, 0x01); /* ? */
1249 ascii_to_wc(pb, LIBAVCODEC_IDENT, len);
1253 len = strlen(s->title)+1;
1254 put_be16(pb, len*2+10); /* size */
1255 put_be32(pb, 0x01); /* type */
1256 put_be16(pb, language_code("eng")); /* language */
1257 put_be16(pb, 0x01); /* ? */
1258 ascii_to_wc (pb, s->title, len);
1262 // 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);
1263 len = strlen("2006/04/01 11:11:11")+1;
1264 put_be16(pb, len*2+10); /* size */
1265 put_be32(pb, 0x03); /* type */
1266 put_be16(pb, language_code("und")); /* language */
1267 put_be16(pb, 0x01); /* ? */
1268 ascii_to_wc (pb, "2006/04/01 11:11:11", len);
1272 curpos = url_ftell(pb);
1273 url_fseek(pb, pos, SEEK_SET);
1275 url_fseek(pb, pos+24, SEEK_SET);
1276 put_be32(pb, size-24);
1277 url_fseek(pb, curpos, SEEK_SET);
1283 static int mov_write_moov_tag(ByteIOContext *pb, MOVContext *mov,
1287 offset_t pos = url_ftell(pb);
1288 put_be32(pb, 0); /* size placeholder*/
1289 put_tag(pb, "moov");
1290 mov->timescale = globalTimescale;
1292 for (i=0; i<mov->nb_streams; i++) {
1293 if(mov->tracks[i].entry <= 0) continue;
1295 if(mov->tracks[i].enc->codec_type == CODEC_TYPE_VIDEO) {
1296 mov->tracks[i].timescale = mov->tracks[i].enc->time_base.den;
1297 mov->tracks[i].sampleDuration = mov->tracks[i].enc->time_base.num;
1298 } else if(mov->tracks[i].enc->codec_type == CODEC_TYPE_AUDIO) {
1299 mov->tracks[i].timescale = mov->tracks[i].enc->sample_rate;
1300 mov->tracks[i].sampleDuration = mov->tracks[i].enc->frame_size;
1303 mov->tracks[i].trackDuration =
1304 (int64_t)mov->tracks[i].sampleCount * mov->tracks[i].sampleDuration;
1305 mov->tracks[i].time = mov->time;
1306 mov->tracks[i].trackID = i+1;
1309 mov_write_mvhd_tag(pb, mov);
1310 //mov_write_iods_tag(pb, mov);
1311 for (i=0; i<mov->nb_streams; i++) {
1312 if(mov->tracks[i].entry > 0) {
1313 mov_write_trak_tag(pb, &(mov->tracks[i]));
1317 if (mov->mode == MODE_PSP)
1318 mov_write_uuidusmt_tag(pb, s);
1320 mov_write_udta_tag(pb, mov, s);
1322 return updateSize(pb, pos);
1325 static int mov_write_mdat_tag(ByteIOContext *pb, MOVContext* mov)
1327 put_be32(pb, 8); // placeholder for extended size field (64 bit)
1328 put_tag(pb, "wide");
1330 mov->mdat_pos = url_ftell(pb);
1331 put_be32(pb, 0); /* size placeholder*/
1332 put_tag(pb, "mdat");
1336 /* TODO: This needs to be more general */
1337 static void mov_write_ftyp_tag (ByteIOContext *pb, AVFormatContext *s)
1339 MOVContext *mov = s->priv_data;
1341 put_be32(pb, 0x14 ); /* size */
1342 put_tag(pb, "ftyp");
1344 if ( mov->mode == MODE_3GP )
1345 put_tag(pb, "3gp4");
1346 else if ( mov->mode == MODE_3G2 )
1347 put_tag(pb, "3g2a");
1348 else if ( mov->mode == MODE_PSP )
1349 put_tag(pb, "MSNV");
1350 else if ( mov->mode == MODE_MP4 )
1351 put_tag(pb, "isom");
1355 put_be32(pb, 0x200 );
1357 if ( mov->mode == MODE_3GP )
1358 put_tag(pb, "3gp4");
1359 else if ( mov->mode == MODE_3G2 )
1360 put_tag(pb, "3g2a");
1361 else if ( mov->mode == MODE_PSP )
1362 put_tag(pb, "MSNV");
1363 else if ( mov->mode == MODE_MP4 )
1364 put_tag(pb, "mp41");
1369 static void mov_write_uuidprof_tag(ByteIOContext *pb, AVFormatContext *s)
1371 AVCodecContext *VideoCodec = s->streams[0]->codec;
1372 AVCodecContext *AudioCodec = s->streams[1]->codec;
1373 int AudioRate = AudioCodec->sample_rate;
1374 int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num);
1375 int audio_kbitrate= AudioCodec->bit_rate / 1000;
1376 int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate);
1378 put_be32(pb, 0x94 ); /* size */
1379 put_tag(pb, "uuid");
1380 put_tag(pb, "PROF");
1382 put_be32(pb, 0x21d24fce ); /* 96 bit UUID */
1383 put_be32(pb, 0xbb88695c );
1384 put_be32(pb, 0xfac9c740 );
1386 put_be32(pb, 0x0 ); /* ? */
1387 put_be32(pb, 0x3 ); /* 3 sections ? */
1389 put_be32(pb, 0x14 ); /* size */
1390 put_tag(pb, "FPRF");
1391 put_be32(pb, 0x0 ); /* ? */
1392 put_be32(pb, 0x0 ); /* ? */
1393 put_be32(pb, 0x0 ); /* ? */
1395 put_be32(pb, 0x2c ); /* size */
1396 put_tag(pb, "APRF"); /* audio */
1398 put_be32(pb, 0x2 ); /* TrackID */
1399 put_tag(pb, "mp4a");
1400 put_be32(pb, 0x20f );
1402 put_be32(pb, audio_kbitrate);
1403 put_be32(pb, audio_kbitrate);
1404 put_be32(pb, AudioRate );
1405 put_be32(pb, AudioCodec->channels );
1407 put_be32(pb, 0x34 ); /* size */
1408 put_tag(pb, "VPRF"); /* video */
1410 put_be32(pb, 0x1 ); /* TrackID */
1411 if (VideoCodec->codec_id == CODEC_ID_H264) {
1412 put_tag(pb, "avc1");
1413 put_be16(pb, 0x014D );
1414 put_be16(pb, 0x0015 );
1416 put_tag(pb, "mp4v");
1417 put_be16(pb, 0x0000 );
1418 put_be16(pb, 0x0103 );
1421 put_be32(pb, video_kbitrate);
1422 put_be32(pb, video_kbitrate);
1423 put_be32(pb, FrameRate);
1424 put_be32(pb, FrameRate);
1425 put_be16(pb, VideoCodec->width);
1426 put_be16(pb, VideoCodec->height);
1427 put_be32(pb, 0x010001); /* ? */
1430 static int mov_write_header(AVFormatContext *s)
1432 ByteIOContext *pb = &s->pb;
1433 MOVContext *mov = s->priv_data;
1436 /* Default mode == MP4 */
1437 mov->mode = MODE_MP4;
1439 if (s->oformat != NULL) {
1440 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
1441 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3G2;
1442 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
1443 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
1445 mov_write_ftyp_tag(pb,s);
1446 if ( mov->mode == MODE_PSP ) {
1447 if ( s->nb_streams != 2 ) {
1448 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
1451 mov_write_uuidprof_tag(pb,s);
1455 for(i=0; i<s->nb_streams; i++){
1456 AVStream *st= s->streams[i];
1457 MOVTrack *track= &mov->tracks[i];
1459 track->enc = st->codec;
1460 if(st->codec->codec_type == CODEC_TYPE_VIDEO){
1461 track->tag = mov_find_video_codec_tag(s, track);
1462 av_set_pts_info(st, 64, 1, st->codec->time_base.den);
1463 }else if(st->codec->codec_type == CODEC_TYPE_AUDIO){
1464 track->tag = mov_find_audio_codec_tag(s, track);
1465 av_set_pts_info(st, 64, 1, st->codec->sample_rate);
1466 track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
1468 track->language = ff_mov_iso639_to_lang(st->language, mov->mode != MODE_MOV);
1469 track->mode = mov->mode;
1472 mov_write_mdat_tag(pb, mov);
1473 mov->time = s->timestamp + 0x7C25B080; //1970 based -> 1904 based
1474 mov->nb_streams = s->nb_streams;
1476 put_flush_packet(pb);
1481 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
1483 MOVContext *mov = s->priv_data;
1484 ByteIOContext *pb = &s->pb;
1485 MOVTrack *trk = &mov->tracks[pkt->stream_index];
1486 AVCodecContext *enc = trk->enc;
1487 unsigned int samplesInChunk = 0;
1488 int size= pkt->size;
1490 if (url_is_streamed(&s->pb)) return 0; /* Can't handle that */
1491 if (!size) return 0; /* Discard 0 sized packets */
1493 if (enc->codec_id == CODEC_ID_AMR_NB) {
1494 /* We must find out how many AMR blocks there are in one packet */
1495 static uint16_t packed_size[16] =
1496 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 0};
1499 while (len < size && samplesInChunk < 100) {
1500 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
1503 if(samplesInChunk > 1){
1504 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, inplement a AVParser for it\n");
1507 } else if (trk->sampleSize)
1508 samplesInChunk = size/trk->sampleSize;
1512 /* copy extradata if it exists */
1513 if (trk->vosLen == 0 && enc->extradata_size > 0) {
1514 trk->vosLen = enc->extradata_size;
1515 trk->vosData = av_malloc(trk->vosLen);
1516 memcpy(trk->vosData, enc->extradata, trk->vosLen);
1519 if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) {
1520 /* from x264 or from bytestream h264 */
1521 /* nal reformating needed */
1522 avc_parse_nal_units(&pkt->data, &pkt->size);
1527 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
1528 trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster));
1533 trk->cluster[trk->entry].pos = url_ftell(pb);
1534 trk->cluster[trk->entry].samplesInChunk = samplesInChunk;
1535 trk->cluster[trk->entry].size = size;
1536 trk->cluster[trk->entry].entries = samplesInChunk;
1537 if(enc->codec_type == CODEC_TYPE_VIDEO) {
1538 if (pkt->dts != pkt->pts)
1539 trk->hasBframes = 1;
1540 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
1541 trk->cluster[trk->entry].key_frame = !!(pkt->flags & PKT_FLAG_KEY);
1542 if(trk->cluster[trk->entry].key_frame)
1543 trk->hasKeyframes++;
1546 trk->sampleCount += samplesInChunk;
1547 mov->mdat_size += size;
1549 put_buffer(pb, pkt->data, size);
1551 put_flush_packet(pb);
1555 static int mov_write_trailer(AVFormatContext *s)
1557 MOVContext *mov = s->priv_data;
1558 ByteIOContext *pb = &s->pb;
1562 offset_t moov_pos = url_ftell(pb);
1564 /* Write size of mdat tag */
1565 if (mov->mdat_size+8 <= UINT32_MAX) {
1566 url_fseek(pb, mov->mdat_pos, SEEK_SET);
1567 put_be32(pb, mov->mdat_size+8);
1569 /* overwrite 'wide' placeholder atom */
1570 url_fseek(pb, mov->mdat_pos - 8, SEEK_SET);
1571 put_be32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */
1572 put_tag(pb, "mdat");
1573 put_be64(pb, mov->mdat_size+16);
1575 url_fseek(pb, moov_pos, SEEK_SET);
1577 mov_write_moov_tag(pb, mov, s);
1579 for (i=0; i<mov->nb_streams; i++) {
1580 av_freep(&mov->tracks[i].cluster);
1582 if( mov->tracks[i].vosLen ) av_free( mov->tracks[i].vosData );
1586 put_flush_packet(pb);
1591 #ifdef CONFIG_MOV_MUXER
1592 AVOutputFormat mov_muxer = {
1603 .flags = AVFMT_GLOBALHEADER,
1606 #ifdef CONFIG_TGP_MUXER
1607 AVOutputFormat tgp_muxer = {
1618 .flags = AVFMT_GLOBALHEADER,
1621 #ifdef CONFIG_MP4_MUXER
1622 AVOutputFormat mp4_muxer = {
1633 .flags = AVFMT_GLOBALHEADER,
1636 #ifdef CONFIG_PSP_MUXER
1637 AVOutputFormat psp_muxer = {
1648 .flags = AVFMT_GLOBALHEADER,
1651 #ifdef CONFIG_TG2_MUXER
1652 AVOutputFormat tg2_muxer = {
1663 .flags = AVFMT_GLOBALHEADER,