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->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);
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->mode == MODE_MOV ? track->enc->channels : 2); /* Number of channels */
364 /* FIXME 8 bit for 'raw ' in mov */
365 put_be16(pb, 16); /* Reserved */
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 */
372 if(version == 1) { /* SoundDescription V1 extended info */
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 */
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);
392 return updateSize (pb, pos);
395 static int mov_write_d263_tag(ByteIOContext *pb)
397 put_be32(pb, 0xf); /* size */
405 /* TODO: No idea about these values */
406 static int mov_write_svq3_tag(ByteIOContext *pb)
412 put_be32(pb, 0xe2c0211d);
413 put_be32(pb, 0xc0000000);
418 static uint8_t *avc_find_startcode( uint8_t *p, uint8_t *end )
420 uint8_t *a = p + 4 - ((int)p & 3);
422 for( end -= 3; p < a && p < end; p++ ) {
423 if( p[0] == 0 && p[1] == 0 && p[2] == 1 )
427 for( end -= 3; p < end; p += 4 ) {
428 uint32_t x = *(uint32_t*)p;
429 // if( (x - 0x01000100) & (~x) & 0x80008000 ) // little endian
430 // if( (x - 0x00010001) & (~x) & 0x00800080 ) // big endian
431 if( (x - 0x01010101) & (~x) & 0x80808080 ) { // generic
433 if( p[0] == 0 && p[2] == 1 )
435 if( p[2] == 0 && p[3] == 1 )
439 if( p[2] == 0 && p[4] == 1 )
441 if( p[4] == 0 && p[5] == 1 )
447 for( end += 3; p < end; p++ ) {
448 if( p[0] == 0 && p[1] == 0 && p[2] == 1 )
455 static void avc_parse_nal_units(uint8_t **buf, int *size)
459 uint8_t *end = p + *size;
460 uint8_t *nal_start, *nal_end;
462 url_open_dyn_buf(&pb);
463 nal_start = avc_find_startcode(p, end);
464 while (nal_start < end) {
465 while(!*(nal_start++));
466 nal_end = avc_find_startcode(nal_start, end);
467 put_be32(&pb, nal_end - nal_start);
468 put_buffer(&pb, nal_start, nal_end - nal_start);
472 *size = url_close_dyn_buf(&pb, buf);
475 static int mov_write_avcc_tag(ByteIOContext *pb, MOVTrack *track)
477 offset_t pos = url_ftell(pb);
481 if (track->vosLen > 6) {
482 /* check for h264 start code */
483 if (BE_32(track->vosData) == 0x00000001) {
485 uint32_t sps_size=0, pps_size=0;
486 uint8_t *sps=0, *pps=0;
488 avc_parse_nal_units(&track->vosData, &track->vosLen);
489 buf = track->vosData;
490 end = track->vosData + track->vosLen;
492 /* look for sps and pps */
497 nal_type = buf[4] & 0x1f;
498 if (nal_type == 7) { /* SPS */
501 } else if (nal_type == 8) { /* PPS */
510 put_byte(pb, 1); /* version */
511 put_byte(pb, sps[1]); /* profile */
512 put_byte(pb, sps[2]); /* profile compat */
513 put_byte(pb, sps[3]); /* level */
514 put_byte(pb, 0xff); /* 6 bits reserved (111111) + 2 bits nal size length - 1 (11) */
515 put_byte(pb, 0xe1); /* 3 bits reserved (111) + 5 bits number of sps (00001) */
517 put_be16(pb, sps_size);
518 put_buffer(pb, sps, sps_size);
519 put_byte(pb, 1); /* number of pps */
520 put_be16(pb, pps_size);
521 put_buffer(pb, pps, pps_size);
523 put_buffer(pb, track->vosData, track->vosLen);
526 return updateSize(pb, pos);
529 static const CodecTag codec_movvideo_tags[] = {
530 { CODEC_ID_SVQ1, MKTAG('S', 'V', 'Q', '1') },
531 { CODEC_ID_SVQ3, MKTAG('S', 'V', 'Q', '3') },
532 { CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
533 { CODEC_ID_H263, MKTAG('s', '2', '6', '3') },
534 { CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') },
535 /* special handling in mov_find_video_codec_tag */
536 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') }, /* DV NTSC */
537 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 'p') }, /* DV PAL */
538 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'p', 'p') }, /* DVCPRO PAL */
539 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'n') }, /* DVCPRO50 NTSC */
540 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'p') }, /* DVCPRO50 PAL */
541 { CODEC_ID_NONE, 0 },
544 static int mov_find_video_codec_tag(AVFormatContext *s, MOVTrack *track)
546 int tag = track->enc->codec_tag;
548 if (track->enc->codec_id == CODEC_ID_DVVIDEO) {
549 if (track->enc->height == 480) { /* NTSC */
550 if (track->enc->pix_fmt == PIX_FMT_YUV422P)
551 tag = MKTAG('d', 'v', '5', 'n');
553 tag = MKTAG('d', 'v', 'c', ' ');
554 } else { /* assume PAL */
555 if (track->enc->pix_fmt == PIX_FMT_YUV422P)
556 tag = MKTAG('d', 'v', '5', 'p');
557 else if (track->enc->pix_fmt == PIX_FMT_YUV420P)
558 tag = MKTAG('d', 'v', 'c', 'p');
560 tag = MKTAG('d', 'v', 'p', 'p');
563 tag = codec_get_tag(codec_movvideo_tags, track->enc->codec_id);
566 // if no mac fcc found, try with Microsoft tags
568 tag = codec_get_tag(codec_bmp_tags, track->enc->codec_id);
570 av_log(s, AV_LOG_INFO, "Warning, using MS style video codec tag, the file may be unplayable!\n");
577 static int mov_find_audio_codec_tag(AVFormatContext *s, MOVTrack *track)
579 int tag = track->enc->codec_tag;
581 tag = codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
583 // if no mac fcc found, try with Microsoft tags
585 int ms_tag = codec_get_tag(codec_wav_tags, track->enc->codec_id);
587 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
588 av_log(s, AV_LOG_INFO, "Warning, using MS style audio codec tag, the file may be unplayable!\n");
595 static int mov_write_video_tag(ByteIOContext *pb, MOVTrack* track)
597 offset_t pos = url_ftell(pb);
598 char compressor_name[32];
600 put_be32(pb, 0); /* size */
601 put_le32(pb, track->tag); // store it byteswapped
602 put_be32(pb, 0); /* Reserved */
603 put_be16(pb, 0); /* Reserved */
604 put_be16(pb, 1); /* Data-reference index */
606 put_be16(pb, 0); /* Codec stream version */
607 put_be16(pb, 0); /* Codec stream revision (=0) */
608 if (track->mode == MODE_MOV) {
609 put_tag(pb, "FFMP"); /* Vendor */
610 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
611 put_be32(pb, 0); /* Temporal Quality */
612 put_be32(pb, 0x400); /* Spatial Quality = lossless*/
614 put_be32(pb, 0x200); /* Temporal Quality = normal */
615 put_be32(pb, 0x200); /* Spatial Quality = normal */
618 put_be32(pb, 0); /* Reserved */
619 put_be32(pb, 0); /* Reserved */
620 put_be32(pb, 0); /* Reserved */
622 put_be16(pb, track->enc->width); /* Video width */
623 put_be16(pb, track->enc->height); /* Video height */
624 put_be32(pb, 0x00480000); /* Horizontal resolution 72dpi */
625 put_be32(pb, 0x00480000); /* Vertical resolution 72dpi */
626 put_be32(pb, 0); /* Data size (= 0) */
627 put_be16(pb, 1); /* Frame count (= 1) */
629 memset(compressor_name,0,32);
630 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
631 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
632 strncpy(compressor_name,track->enc->codec->name,31);
633 put_byte(pb, strlen(compressor_name));
634 put_buffer(pb, compressor_name, 31);
636 put_be16(pb, 0x18); /* Reserved */
637 put_be16(pb, 0xffff); /* Reserved */
638 if(track->enc->codec_id == CODEC_ID_MPEG4)
639 mov_write_esds_tag(pb, track);
640 else if(track->enc->codec_id == CODEC_ID_H263)
641 mov_write_d263_tag(pb);
642 else if(track->enc->codec_id == CODEC_ID_SVQ3)
643 mov_write_svq3_tag(pb);
644 else if(track->enc->codec_id == CODEC_ID_H264)
645 mov_write_avcc_tag(pb, track);
647 return updateSize (pb, pos);
650 static int mov_write_stsd_tag(ByteIOContext *pb, MOVTrack* track)
652 offset_t pos = url_ftell(pb);
653 put_be32(pb, 0); /* size */
655 put_be32(pb, 0); /* version & flags */
656 put_be32(pb, 1); /* entry count */
657 if (track->enc->codec_type == CODEC_TYPE_VIDEO)
658 mov_write_video_tag(pb, track);
659 else if (track->enc->codec_type == CODEC_TYPE_AUDIO)
660 mov_write_audio_tag(pb, track);
661 return updateSize(pb, pos);
664 static int mov_write_ctts_tag(ByteIOContext *pb, MOVTrack* track)
666 Time2Sample *ctts_entries;
667 uint32_t entries = 0;
671 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
672 ctts_entries[0].count = 1;
673 ctts_entries[0].duration = track->cluster[0].cts;
674 for (i=1; i<track->entry; i++) {
675 if (track->cluster[i].cts == ctts_entries[entries].duration) {
676 ctts_entries[entries].count++; /* compress */
679 ctts_entries[entries].duration = track->cluster[i].cts;
680 ctts_entries[entries].count = 1;
683 entries++; /* last one */
684 atom_size = 16 + (entries * 8);
685 put_be32(pb, atom_size); /* size */
687 put_be32(pb, 0); /* version & flags */
688 put_be32(pb, entries); /* entry count */
689 for (i=0; i<entries; i++) {
690 put_be32(pb, ctts_entries[i].count);
691 put_be32(pb, ctts_entries[i].duration);
693 av_free(ctts_entries);
698 /* Time to sample atom */
699 static int mov_write_stts_tag(ByteIOContext *pb, MOVTrack* track)
701 put_be32(pb, 0x18); /* size */
703 put_be32(pb, 0); /* version & flags */
704 put_be32(pb, 1); /* entry count */
706 put_be32(pb, track->sampleCount); /* sample count */
707 put_be32(pb, track->sampleDuration); /* sample duration */
711 static int mov_write_dref_tag(ByteIOContext *pb)
713 put_be32(pb, 28); /* size */
715 put_be32(pb, 0); /* version & flags */
716 put_be32(pb, 1); /* entry count */
718 put_be32(pb, 0xc); /* size */
720 put_be32(pb, 1); /* version & flags */
725 static int mov_write_stbl_tag(ByteIOContext *pb, MOVTrack* track)
727 offset_t pos = url_ftell(pb);
728 put_be32(pb, 0); /* size */
730 mov_write_stsd_tag(pb, track);
731 mov_write_stts_tag(pb, track);
732 if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
733 track->hasKeyframes < track->entry)
734 mov_write_stss_tag(pb, track);
735 if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
737 mov_write_ctts_tag(pb, track);
738 mov_write_stsc_tag(pb, track);
739 mov_write_stsz_tag(pb, track);
740 mov_write_stco_tag(pb, track);
741 return updateSize(pb, pos);
744 static int mov_write_dinf_tag(ByteIOContext *pb)
746 offset_t pos = url_ftell(pb);
747 put_be32(pb, 0); /* size */
749 mov_write_dref_tag(pb);
750 return updateSize(pb, pos);
753 static int mov_write_smhd_tag(ByteIOContext *pb)
755 put_be32(pb, 16); /* size */
757 put_be32(pb, 0); /* version & flags */
758 put_be16(pb, 0); /* reserved (balance, normally = 0) */
759 put_be16(pb, 0); /* reserved */
763 static int mov_write_vmhd_tag(ByteIOContext *pb)
765 put_be32(pb, 0x14); /* size (always 0x14) */
767 put_be32(pb, 0x01); /* version & flags */
768 put_be64(pb, 0); /* reserved (graphics mode = copy) */
772 static int mov_write_hdlr_tag(ByteIOContext *pb, MOVTrack* track)
774 const char *descr, *hdlr, *hdlr_type;
775 offset_t pos = url_ftell(pb);
777 if (!track) { /* no media --> data handler */
780 descr = "DataHandler";
782 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
783 if (track->enc->codec_type == CODEC_TYPE_VIDEO) {
785 descr = "VideoHandler";
788 descr = "SoundHandler";
792 put_be32(pb, 0); /* size */
794 put_be32(pb, 0); /* Version & flags */
795 put_buffer(pb, hdlr, 4); /* handler */
796 put_tag(pb, hdlr_type); /* handler type */
797 put_be32(pb ,0); /* reserved */
798 put_be32(pb ,0); /* reserved */
799 put_be32(pb ,0); /* reserved */
800 put_byte(pb, strlen(descr)); /* string counter */
801 put_buffer(pb, descr, strlen(descr)); /* handler description */
802 return updateSize(pb, pos);
805 static int mov_write_minf_tag(ByteIOContext *pb, MOVTrack* track)
807 offset_t pos = url_ftell(pb);
808 put_be32(pb, 0); /* size */
810 if(track->enc->codec_type == CODEC_TYPE_VIDEO)
811 mov_write_vmhd_tag(pb);
813 mov_write_smhd_tag(pb);
814 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
815 mov_write_hdlr_tag(pb, NULL);
816 mov_write_dinf_tag(pb);
817 mov_write_stbl_tag(pb, track);
818 return updateSize(pb, pos);
821 static int mov_write_mdhd_tag(ByteIOContext *pb, MOVTrack* track)
823 int version = track->trackDuration < INT32_MAX ? 0 : 1;
825 (version == 1) ? put_be32(pb, 44) : put_be32(pb, 32); /* size */
827 put_byte(pb, version);
828 put_be24(pb, 0); /* flags */
830 put_be64(pb, track->time);
831 put_be64(pb, track->time);
833 put_be32(pb, track->time); /* creation time */
834 put_be32(pb, track->time); /* modification time */
836 put_be32(pb, track->timescale); /* time scale (sample rate for audio) */
837 (version == 1) ? put_be64(pb, track->trackDuration) : put_be32(pb, track->trackDuration); /* duration */
838 put_be16(pb, track->language); /* language */
839 put_be16(pb, 0); /* reserved (quality) */
843 static int mov_write_mdia_tag(ByteIOContext *pb, MOVTrack* track)
845 offset_t pos = url_ftell(pb);
846 put_be32(pb, 0); /* size */
848 mov_write_mdhd_tag(pb, track);
849 mov_write_hdlr_tag(pb, track);
850 mov_write_minf_tag(pb, track);
851 return updateSize(pb, pos);
854 static int mov_write_tkhd_tag(ByteIOContext *pb, MOVTrack* track)
856 int64_t duration = av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP);
857 int version = duration < INT32_MAX ? 0 : 1;
859 (version == 1) ? put_be32(pb, 104) : put_be32(pb, 92); /* size */
861 put_byte(pb, version);
862 put_be24(pb, 0xf); /* flags (track enabled) */
864 put_be64(pb, track->time);
865 put_be64(pb, track->time);
867 put_be32(pb, track->time); /* creation time */
868 put_be32(pb, track->time); /* modification time */
870 put_be32(pb, track->trackID); /* track-id */
871 put_be32(pb, 0); /* reserved */
872 (version == 1) ? put_be64(pb, duration) : put_be32(pb, duration);
874 put_be32(pb, 0); /* reserved */
875 put_be32(pb, 0); /* reserved */
876 put_be32(pb, 0x0); /* reserved (Layer & Alternate group) */
877 /* Volume, only for audio */
878 if(track->enc->codec_type == CODEC_TYPE_AUDIO)
879 put_be16(pb, 0x0100);
882 put_be16(pb, 0); /* reserved */
884 /* Matrix structure */
885 put_be32(pb, 0x00010000); /* reserved */
886 put_be32(pb, 0x0); /* reserved */
887 put_be32(pb, 0x0); /* reserved */
888 put_be32(pb, 0x0); /* reserved */
889 put_be32(pb, 0x00010000); /* reserved */
890 put_be32(pb, 0x0); /* reserved */
891 put_be32(pb, 0x0); /* reserved */
892 put_be32(pb, 0x0); /* reserved */
893 put_be32(pb, 0x40000000); /* reserved */
895 /* Track width and height, for visual only */
896 if(track->enc->codec_type == CODEC_TYPE_VIDEO) {
897 double sample_aspect_ratio = av_q2d(track->enc->sample_aspect_ratio);
898 if( !sample_aspect_ratio ) sample_aspect_ratio = 1;
899 put_be32(pb, sample_aspect_ratio * track->enc->width*0x10000);
900 put_be32(pb, track->enc->height*0x10000);
909 // This box seems important for the psp playback ... without it the movie seems to hang
910 static int mov_write_edts_tag(ByteIOContext *pb, MOVTrack *track)
912 put_be32(pb, 0x24); /* size */
914 put_be32(pb, 0x1c); /* size */
919 put_be32(pb, av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP)); /* duration ... doesn't seem to effect psp */
921 if (track->hasBframes)
922 put_be32(pb, track->sampleDuration); /* first pts is 1 */
925 put_be32(pb, 0x00010000);
929 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
930 static int mov_write_uuid_tag_psp(ByteIOContext *pb, MOVTrack *mov)
932 put_be32(pb, 0x34); /* size ... reports as 28 in mp4box! */
935 put_be32(pb, 0x21d24fce);
936 put_be32(pb, 0xbb88695c);
937 put_be32(pb, 0xfac9c740);
938 put_be32(pb, 0x1c); // another size here!
940 put_be32(pb, 0x00010012);
942 put_be32(pb, 0x55c40000);
948 static int mov_write_trak_tag(ByteIOContext *pb, MOVTrack* track)
950 offset_t pos = url_ftell(pb);
951 put_be32(pb, 0); /* size */
953 mov_write_tkhd_tag(pb, track);
954 if (track->mode == MODE_PSP || track->hasBframes)
955 mov_write_edts_tag(pb, track); // PSP Movies require edts box
956 mov_write_mdia_tag(pb, track);
957 if (track->mode == MODE_PSP)
958 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
959 return updateSize(pb, pos);
963 /* TODO: Not sorted out, but not necessary either */
964 static int mov_write_iods_tag(ByteIOContext *pb, MOVContext *mov)
966 put_be32(pb, 0x15); /* size */
968 put_be32(pb, 0); /* version & flags */
969 put_be16(pb, 0x1007);
971 put_be16(pb, 0x4fff);
972 put_be16(pb, 0xfffe);
973 put_be16(pb, 0x01ff);
978 static int mov_write_mvhd_tag(ByteIOContext *pb, MOVContext *mov)
980 int maxTrackID = 1, i;
981 int64_t maxTrackLenTemp, maxTrackLen = 0;
984 for (i=0; i<mov->nb_streams; i++) {
985 if(mov->tracks[i].entry > 0) {
986 maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration, globalTimescale, mov->tracks[i].timescale, AV_ROUND_UP);
987 if(maxTrackLen < maxTrackLenTemp)
988 maxTrackLen = maxTrackLenTemp;
989 if(maxTrackID < mov->tracks[i].trackID)
990 maxTrackID = mov->tracks[i].trackID;
994 version = maxTrackLen < UINT32_MAX ? 0 : 1;
995 (version == 1) ? put_be32(pb, 120) : put_be32(pb, 108); /* size */
997 put_byte(pb, version);
998 put_be24(pb, 0); /* flags */
1000 put_be64(pb, mov->time);
1001 put_be64(pb, mov->time);
1003 put_be32(pb, mov->time); /* creation time */
1004 put_be32(pb, mov->time); /* modification time */
1006 put_be32(pb, mov->timescale); /* timescale */
1007 (version == 1) ? put_be64(pb, maxTrackLen) : put_be32(pb, maxTrackLen); /* duration of longest track */
1009 put_be32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1010 put_be16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1011 put_be16(pb, 0); /* reserved */
1012 put_be32(pb, 0); /* reserved */
1013 put_be32(pb, 0); /* reserved */
1015 /* Matrix structure */
1016 put_be32(pb, 0x00010000); /* reserved */
1017 put_be32(pb, 0x0); /* reserved */
1018 put_be32(pb, 0x0); /* reserved */
1019 put_be32(pb, 0x0); /* reserved */
1020 put_be32(pb, 0x00010000); /* reserved */
1021 put_be32(pb, 0x0); /* reserved */
1022 put_be32(pb, 0x0); /* reserved */
1023 put_be32(pb, 0x0); /* reserved */
1024 put_be32(pb, 0x40000000); /* reserved */
1026 put_be32(pb, 0); /* reserved (preview time) */
1027 put_be32(pb, 0); /* reserved (preview duration) */
1028 put_be32(pb, 0); /* reserved (poster time) */
1029 put_be32(pb, 0); /* reserved (selection time) */
1030 put_be32(pb, 0); /* reserved (selection duration) */
1031 put_be32(pb, 0); /* reserved (current time) */
1032 put_be32(pb, maxTrackID+1); /* Next track id */
1036 static int mov_write_itunes_hdlr_tag(ByteIOContext *pb, MOVContext* mov,
1039 offset_t pos = url_ftell(pb);
1040 put_be32(pb, 0); /* size */
1041 put_tag(pb, "hdlr");
1044 put_tag(pb, "mdir");
1045 put_tag(pb, "appl");
1049 return updateSize(pb, pos);
1052 /* helper function to write a data tag with the specified string as data */
1053 static int mov_write_string_data_tag(ByteIOContext *pb, const char *data, int long_style)
1056 offset_t pos = url_ftell(pb);
1057 put_be32(pb, 0); /* size */
1058 put_tag(pb, "data");
1061 put_buffer(pb, data, strlen(data));
1062 return updateSize(pb, pos);
1064 put_be16(pb, strlen(data)); /* string length */
1066 put_buffer(pb, data, strlen(data));
1067 return strlen(data) + 4;
1071 static int mov_write_string_tag(ByteIOContext *pb, const char *name, const char *value, int long_style){
1073 if ( value && value[0] ) {
1074 offset_t pos = url_ftell(pb);
1075 put_be32(pb, 0); /* size */
1077 mov_write_string_data_tag(pb, value, long_style);
1078 size= updateSize(pb, pos);
1084 static int mov_write_day_tag(ByteIOContext *pb, int year, int long_style)
1088 snprintf(year_str, sizeof(year_str), "%04d", year);
1089 return mov_write_string_tag(pb, "\251day", year_str, long_style);
1094 /* iTunes track number */
1095 static int mov_write_trkn_tag(ByteIOContext *pb, MOVContext* mov,
1100 offset_t pos = url_ftell(pb);
1101 put_be32(pb, 0); /* size */
1102 put_tag(pb, "trkn");
1104 offset_t pos = url_ftell(pb);
1105 put_be32(pb, 0); /* size */
1106 put_tag(pb, "data");
1107 put_be32(pb, 0); // 8 bytes empty
1109 put_be16(pb, 0); // empty
1110 put_be16(pb, s->track); // track number
1111 put_be16(pb, 0); // total track number
1112 put_be16(pb, 0); // empty
1113 updateSize(pb, pos);
1115 size = updateSize(pb, pos);
1120 /* iTunes meta data list */
1121 static int mov_write_ilst_tag(ByteIOContext *pb, MOVContext* mov,
1124 offset_t pos = url_ftell(pb);
1125 put_be32(pb, 0); /* size */
1126 put_tag(pb, "ilst");
1127 mov_write_string_tag(pb, "\251nam", s->title , 1);
1128 mov_write_string_tag(pb, "\251ART", s->author , 1);
1129 mov_write_string_tag(pb, "\251wrt", s->author , 1);
1130 mov_write_string_tag(pb, "\251alb", s->album , 1);
1131 mov_write_day_tag(pb, s->year ,1);
1132 if(mov->tracks[0].enc && !(mov->tracks[0].enc->flags & CODEC_FLAG_BITEXACT))
1133 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 1);
1134 mov_write_string_tag(pb, "\251cmt", s->comment , 1);
1135 mov_write_string_tag(pb, "\251gen", s->genre , 1);
1136 mov_write_trkn_tag(pb, mov, s);
1137 return updateSize(pb, pos);
1140 /* iTunes meta data tag */
1141 static int mov_write_meta_tag(ByteIOContext *pb, MOVContext* mov,
1146 // only save meta tag if required
1147 if ( s->title[0] || s->author[0] || s->album[0] || s->year ||
1148 s->comment[0] || s->genre[0] || s->track ) {
1149 offset_t pos = url_ftell(pb);
1150 put_be32(pb, 0); /* size */
1151 put_tag(pb, "meta");
1153 mov_write_itunes_hdlr_tag(pb, mov, s);
1154 mov_write_ilst_tag(pb, mov, s);
1155 size = updateSize(pb, pos);
1160 static int mov_write_udta_tag(ByteIOContext *pb, MOVContext* mov,
1163 offset_t pos = url_ftell(pb);
1166 put_be32(pb, 0); /* size */
1167 put_tag(pb, "udta");
1169 /* iTunes meta data */
1170 mov_write_meta_tag(pb, mov, s);
1172 if(mov->mode == MODE_MOV){ // the title field breaks gtkpod with mp4 and my suspicion is that stuff isnt valid in mp4
1174 for (i=0; i<mov->nb_streams; i++) {
1175 if(mov->tracks[i].entry <= 0) continue;
1176 if (mov->tracks[i].enc->codec_id == CODEC_ID_AAC ||
1177 mov->tracks[i].enc->codec_id == CODEC_ID_MPEG4) {
1178 mov_write_string_tag(pb, "\251req", "QuickTime 6.0 or greater", 0);
1183 mov_write_string_tag(pb, "\251nam", s->title , 0);
1184 mov_write_string_tag(pb, "\251aut", s->author , 0);
1185 mov_write_string_tag(pb, "\251alb", s->album , 0);
1186 mov_write_day_tag(pb, s->year, 0);
1187 if(mov->tracks[0].enc && !(mov->tracks[0].enc->flags & CODEC_FLAG_BITEXACT))
1188 mov_write_string_tag(pb, "\251enc", LIBAVFORMAT_IDENT, 0);
1189 mov_write_string_tag(pb, "\251des", s->comment , 0);
1190 mov_write_string_tag(pb, "\251gen", s->genre , 0);
1193 return updateSize(pb, pos);
1197 static size_t ascii_to_wc (ByteIOContext *pb, char *b, size_t n)
1201 for (i = 0; i < n - 1; i++) {
1203 if (! (0x20 <= c && c <= 0x7f ))
1211 static uint16_t language_code (const char *str)
1213 return ((((str[0]-0x60) & 0x1F)<<10) + (((str[1]-0x60) & 0x1F)<<5) + ((str[2]-0x60) & 0x1F));
1216 static int mov_write_uuidusmt_tag (ByteIOContext *pb, AVFormatContext *s)
1219 offset_t pos, curpos;
1223 pos = url_ftell(pb);
1224 put_be32(pb, 0); /* size placeholder*/
1225 put_tag(pb, "uuid");
1226 put_tag(pb, "USMT");
1227 put_be32(pb, 0x21d24fce ); /* 96 bit UUID */
1228 put_be32(pb, 0xbb88695c );
1229 put_be32(pb, 0xfac9c740 );
1232 put_be32(pb, 0); /* size placeholder*/
1233 put_tag(pb, "MTDT");
1238 put_be16(pb, 0x0C); /* size */
1239 put_be32(pb, 0x0B); /* type */
1240 put_be16(pb, language_code("und")); /* language */
1241 put_be16(pb, 0x0); /* ? */
1242 put_be16(pb, 0x021C); /* data */
1246 len = strlen(LIBAVCODEC_IDENT)+1;
1247 put_be16(pb, len*2+10); /* size */
1248 put_be32(pb, 0x04); /* type */
1249 put_be16(pb, language_code("eng")); /* language */
1250 put_be16(pb, 0x01); /* ? */
1251 ascii_to_wc(pb, LIBAVCODEC_IDENT, len);
1255 len = strlen(s->title)+1;
1256 put_be16(pb, len*2+10); /* size */
1257 put_be32(pb, 0x01); /* type */
1258 put_be16(pb, language_code("eng")); /* language */
1259 put_be16(pb, 0x01); /* ? */
1260 ascii_to_wc (pb, s->title, len);
1264 // 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);
1265 len = strlen("2006/04/01 11:11:11")+1;
1266 put_be16(pb, len*2+10); /* size */
1267 put_be32(pb, 0x03); /* type */
1268 put_be16(pb, language_code("und")); /* language */
1269 put_be16(pb, 0x01); /* ? */
1270 ascii_to_wc (pb, "2006/04/01 11:11:11", len);
1274 curpos = url_ftell(pb);
1275 url_fseek(pb, pos, SEEK_SET);
1277 url_fseek(pb, pos+24, SEEK_SET);
1278 put_be32(pb, size-24);
1279 url_fseek(pb, curpos, SEEK_SET);
1285 static int mov_write_moov_tag(ByteIOContext *pb, MOVContext *mov,
1289 offset_t pos = url_ftell(pb);
1290 put_be32(pb, 0); /* size placeholder*/
1291 put_tag(pb, "moov");
1292 mov->timescale = globalTimescale;
1294 for (i=0; i<mov->nb_streams; i++) {
1295 if(mov->tracks[i].entry <= 0) continue;
1297 if(mov->tracks[i].enc->codec_type == CODEC_TYPE_VIDEO) {
1298 mov->tracks[i].timescale = mov->tracks[i].enc->time_base.den;
1299 mov->tracks[i].sampleDuration = mov->tracks[i].enc->time_base.num;
1300 } else if(mov->tracks[i].enc->codec_type == CODEC_TYPE_AUDIO) {
1301 mov->tracks[i].timescale = mov->tracks[i].enc->sample_rate;
1302 mov->tracks[i].sampleDuration = mov->tracks[i].enc->frame_size;
1305 mov->tracks[i].trackDuration =
1306 (int64_t)mov->tracks[i].sampleCount * mov->tracks[i].sampleDuration;
1307 mov->tracks[i].time = mov->time;
1308 mov->tracks[i].trackID = i+1;
1311 mov_write_mvhd_tag(pb, mov);
1312 //mov_write_iods_tag(pb, mov);
1313 for (i=0; i<mov->nb_streams; i++) {
1314 if(mov->tracks[i].entry > 0) {
1315 mov_write_trak_tag(pb, &(mov->tracks[i]));
1319 if (mov->mode == MODE_PSP)
1320 mov_write_uuidusmt_tag(pb, s);
1322 mov_write_udta_tag(pb, mov, s);
1324 return updateSize(pb, pos);
1327 static int mov_write_mdat_tag(ByteIOContext *pb, MOVContext* mov)
1329 put_be32(pb, 8); // placeholder for extended size field (64 bit)
1330 put_tag(pb, "wide");
1332 mov->mdat_pos = url_ftell(pb);
1333 put_be32(pb, 0); /* size placeholder*/
1334 put_tag(pb, "mdat");
1338 /* TODO: This needs to be more general */
1339 static void mov_write_ftyp_tag (ByteIOContext *pb, AVFormatContext *s)
1341 MOVContext *mov = s->priv_data;
1343 put_be32(pb, 0x14 ); /* size */
1344 put_tag(pb, "ftyp");
1346 if ( mov->mode == MODE_3GP )
1347 put_tag(pb, "3gp4");
1348 else if ( mov->mode == MODE_3G2 )
1349 put_tag(pb, "3g2a");
1350 else if ( mov->mode == MODE_PSP )
1351 put_tag(pb, "MSNV");
1352 else if ( mov->mode == MODE_MP4 )
1353 put_tag(pb, "isom");
1357 put_be32(pb, 0x200 );
1359 if ( mov->mode == MODE_3GP )
1360 put_tag(pb, "3gp4");
1361 else if ( mov->mode == MODE_3G2 )
1362 put_tag(pb, "3g2a");
1363 else if ( mov->mode == MODE_PSP )
1364 put_tag(pb, "MSNV");
1365 else if ( mov->mode == MODE_MP4 )
1366 put_tag(pb, "mp41");
1371 static void mov_write_uuidprof_tag(ByteIOContext *pb, AVFormatContext *s)
1373 AVCodecContext *VideoCodec = s->streams[0]->codec;
1374 AVCodecContext *AudioCodec = s->streams[1]->codec;
1375 int AudioRate = AudioCodec->sample_rate;
1376 int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num);
1377 int audio_kbitrate= AudioCodec->bit_rate / 1000;
1378 int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate);
1380 put_be32(pb, 0x94 ); /* size */
1381 put_tag(pb, "uuid");
1382 put_tag(pb, "PROF");
1384 put_be32(pb, 0x21d24fce ); /* 96 bit UUID */
1385 put_be32(pb, 0xbb88695c );
1386 put_be32(pb, 0xfac9c740 );
1388 put_be32(pb, 0x0 ); /* ? */
1389 put_be32(pb, 0x3 ); /* 3 sections ? */
1391 put_be32(pb, 0x14 ); /* size */
1392 put_tag(pb, "FPRF");
1393 put_be32(pb, 0x0 ); /* ? */
1394 put_be32(pb, 0x0 ); /* ? */
1395 put_be32(pb, 0x0 ); /* ? */
1397 put_be32(pb, 0x2c ); /* size */
1398 put_tag(pb, "APRF"); /* audio */
1400 put_be32(pb, 0x2 ); /* TrackID */
1401 put_tag(pb, "mp4a");
1402 put_be32(pb, 0x20f );
1404 put_be32(pb, audio_kbitrate);
1405 put_be32(pb, audio_kbitrate);
1406 put_be32(pb, AudioRate );
1407 put_be32(pb, AudioCodec->channels );
1409 put_be32(pb, 0x34 ); /* size */
1410 put_tag(pb, "VPRF"); /* video */
1412 put_be32(pb, 0x1 ); /* TrackID */
1413 if (VideoCodec->codec_id == CODEC_ID_H264) {
1414 put_tag(pb, "avc1");
1415 put_be16(pb, 0x014D );
1416 put_be16(pb, 0x0015 );
1418 put_tag(pb, "mp4v");
1419 put_be16(pb, 0x0000 );
1420 put_be16(pb, 0x0103 );
1423 put_be32(pb, video_kbitrate);
1424 put_be32(pb, video_kbitrate);
1425 put_be32(pb, FrameRate);
1426 put_be32(pb, FrameRate);
1427 put_be16(pb, VideoCodec->width);
1428 put_be16(pb, VideoCodec->height);
1429 put_be32(pb, 0x010001); /* ? */
1432 static int mov_write_header(AVFormatContext *s)
1434 ByteIOContext *pb = &s->pb;
1435 MOVContext *mov = s->priv_data;
1438 /* Default mode == MP4 */
1439 mov->mode = MODE_MP4;
1441 if (s->oformat != NULL) {
1442 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
1443 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3G2;
1444 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
1445 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
1447 mov_write_ftyp_tag(pb,s);
1448 if ( mov->mode == MODE_PSP ) {
1449 if ( s->nb_streams != 2 ) {
1450 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
1453 mov_write_uuidprof_tag(pb,s);
1457 for(i=0; i<s->nb_streams; i++){
1458 AVStream *st= s->streams[i];
1459 MOVTrack *track= &mov->tracks[i];
1461 track->enc = st->codec;
1462 if(st->codec->codec_type == CODEC_TYPE_VIDEO){
1463 track->tag = mov_find_video_codec_tag(s, track);
1464 av_set_pts_info(st, 64, 1, st->codec->time_base.den);
1465 }else if(st->codec->codec_type == CODEC_TYPE_AUDIO){
1466 track->tag = mov_find_audio_codec_tag(s, track);
1467 av_set_pts_info(st, 64, 1, st->codec->sample_rate);
1468 track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
1470 track->language = ff_mov_iso639_to_lang(st->language, mov->mode != MODE_MOV);
1471 track->mode = mov->mode;
1474 mov_write_mdat_tag(pb, mov);
1475 mov->time = s->timestamp + 0x7C25B080; //1970 based -> 1904 based
1476 mov->nb_streams = s->nb_streams;
1478 put_flush_packet(pb);
1483 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
1485 MOVContext *mov = s->priv_data;
1486 ByteIOContext *pb = &s->pb;
1487 MOVTrack *trk = &mov->tracks[pkt->stream_index];
1488 AVCodecContext *enc = trk->enc;
1489 unsigned int samplesInChunk = 0;
1490 int size= pkt->size;
1492 if (url_is_streamed(&s->pb)) return 0; /* Can't handle that */
1493 if (!size) return 0; /* Discard 0 sized packets */
1495 if (enc->codec_id == CODEC_ID_AMR_NB) {
1496 /* We must find out how many AMR blocks there are in one packet */
1497 static uint16_t packed_size[16] =
1498 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 0};
1501 while (len < size && samplesInChunk < 100) {
1502 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
1505 if(samplesInChunk > 1){
1506 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, inplement a AVParser for it\n");
1509 } else if (trk->sampleSize)
1510 samplesInChunk = size/trk->sampleSize;
1514 /* copy extradata if it exists */
1515 if (trk->vosLen == 0 && enc->extradata_size > 0) {
1516 trk->vosLen = enc->extradata_size;
1517 trk->vosData = av_malloc(trk->vosLen);
1518 memcpy(trk->vosData, enc->extradata, trk->vosLen);
1521 if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) {
1522 /* from x264 or from bytestream h264 */
1523 /* nal reformating needed */
1524 avc_parse_nal_units(&pkt->data, &pkt->size);
1529 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
1530 trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster));
1535 trk->cluster[trk->entry].pos = url_ftell(pb);
1536 trk->cluster[trk->entry].samplesInChunk = samplesInChunk;
1537 trk->cluster[trk->entry].size = size;
1538 trk->cluster[trk->entry].entries = samplesInChunk;
1539 if(enc->codec_type == CODEC_TYPE_VIDEO) {
1540 if (pkt->dts != pkt->pts)
1541 trk->hasBframes = 1;
1542 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
1543 trk->cluster[trk->entry].key_frame = !!(pkt->flags & PKT_FLAG_KEY);
1544 if(trk->cluster[trk->entry].key_frame)
1545 trk->hasKeyframes++;
1548 trk->sampleCount += samplesInChunk;
1549 mov->mdat_size += size;
1551 put_buffer(pb, pkt->data, size);
1553 put_flush_packet(pb);
1557 static int mov_write_trailer(AVFormatContext *s)
1559 MOVContext *mov = s->priv_data;
1560 ByteIOContext *pb = &s->pb;
1564 offset_t moov_pos = url_ftell(pb);
1566 /* Write size of mdat tag */
1567 if (mov->mdat_size+8 <= UINT32_MAX) {
1568 url_fseek(pb, mov->mdat_pos, SEEK_SET);
1569 put_be32(pb, mov->mdat_size+8);
1571 /* overwrite 'wide' placeholder atom */
1572 url_fseek(pb, mov->mdat_pos - 8, SEEK_SET);
1573 put_be32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */
1574 put_tag(pb, "mdat");
1575 put_be64(pb, mov->mdat_size+16);
1577 url_fseek(pb, moov_pos, SEEK_SET);
1579 mov_write_moov_tag(pb, mov, s);
1581 for (i=0; i<mov->nb_streams; i++) {
1582 av_freep(&mov->tracks[i].cluster);
1584 if( mov->tracks[i].vosLen ) av_free( mov->tracks[i].vosData );
1588 put_flush_packet(pb);
1593 #ifdef CONFIG_MOV_MUXER
1594 AVOutputFormat mov_muxer = {
1605 .flags = AVFMT_GLOBALHEADER,
1608 #ifdef CONFIG_TGP_MUXER
1609 AVOutputFormat tgp_muxer = {
1620 .flags = AVFMT_GLOBALHEADER,
1623 #ifdef CONFIG_MP4_MUXER
1624 AVOutputFormat mp4_muxer = {
1635 .flags = AVFMT_GLOBALHEADER,
1638 #ifdef CONFIG_PSP_MUXER
1639 AVOutputFormat psp_muxer = {
1650 .flags = AVFMT_GLOBALHEADER,
1653 #ifdef CONFIG_TG2_MUXER
1654 AVOutputFormat tg2_muxer = {
1665 .flags = AVFMT_GLOBALHEADER,