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;
50 typedef struct MOVIndex {
55 int64_t trackDuration;
71 typedef struct MOVContext {
78 MOVTrack tracks[MAX_STREAMS];
81 //FIXME supprt 64bit varaint with wide placeholders
82 static offset_t updateSize (ByteIOContext *pb, offset_t pos)
84 offset_t curpos = url_ftell(pb);
85 url_fseek(pb, pos, SEEK_SET);
86 put_be32(pb, curpos - pos); /* rewrite size */
87 url_fseek(pb, curpos, SEEK_SET);
92 /* Chunk offset atom */
93 static int mov_write_stco_tag(ByteIOContext *pb, MOVTrack* track)
96 int mode64 = 0; // use 32 bit size variant if possible
97 offset_t pos = url_ftell(pb);
98 put_be32(pb, 0); /* size */
99 if (pos > UINT32_MAX) {
104 put_be32(pb, 0); /* version & flags */
105 put_be32(pb, track->entry); /* entry count */
106 for (i=0; i<track->entry; i++) {
108 put_be64(pb, track->cluster[i].pos);
110 put_be32(pb, track->cluster[i].pos);
112 return updateSize (pb, pos);
115 /* Sample size atom */
116 static int mov_write_stsz_tag(ByteIOContext *pb, MOVTrack* track)
119 int i, j, entries = 0, tst = -1, oldtst = -1;
121 offset_t pos = url_ftell(pb);
122 put_be32(pb, 0); /* size */
124 put_be32(pb, 0); /* version & flags */
126 for (i=0; i<track->entry; i++) {
127 tst = track->cluster[i].size/track->cluster[i].entries;
128 if(oldtst != -1 && tst != oldtst) {
132 entries += track->cluster[i].entries;
135 int sSize = track->cluster[0].size/track->cluster[0].entries;
136 put_be32(pb, sSize); // sample size
137 put_be32(pb, entries); // sample count
140 put_be32(pb, 0); // sample size
141 put_be32(pb, entries); // sample count
142 for (i=0; i<track->entry; i++) {
143 for ( j=0; j<track->cluster[i].entries; j++) {
144 put_be32(pb, track->cluster[i].size /
145 track->cluster[i].entries);
149 return updateSize (pb, pos);
152 /* Sample to chunk atom */
153 static int mov_write_stsc_tag(ByteIOContext *pb, MOVTrack* track)
155 int index = 0, oldval = -1, i;
156 offset_t entryPos, curpos;
158 offset_t pos = url_ftell(pb);
159 put_be32(pb, 0); /* size */
161 put_be32(pb, 0); // version & flags
162 entryPos = url_ftell(pb);
163 put_be32(pb, track->entry); // entry count
164 for (i=0; i<track->entry; i++) {
165 if(oldval != track->cluster[i].samplesInChunk)
167 put_be32(pb, i+1); // first chunk
168 put_be32(pb, track->cluster[i].samplesInChunk); // samples per chunk
169 put_be32(pb, 0x1); // sample description index
170 oldval = track->cluster[i].samplesInChunk;
174 curpos = url_ftell(pb);
175 url_fseek(pb, entryPos, SEEK_SET);
176 put_be32(pb, index); // rewrite size
177 url_fseek(pb, curpos, SEEK_SET);
179 return updateSize (pb, pos);
182 /* Sync sample atom */
183 static int mov_write_stss_tag(ByteIOContext *pb, MOVTrack* track)
185 offset_t curpos, entryPos;
187 offset_t pos = url_ftell(pb);
188 put_be32(pb, 0); // size
190 put_be32(pb, 0); // version & flags
191 entryPos = url_ftell(pb);
192 put_be32(pb, track->entry); // entry count
193 for (i=0; i<track->entry; i++) {
194 if(track->cluster[i].key_frame == 1) {
199 curpos = url_ftell(pb);
200 url_fseek(pb, entryPos, SEEK_SET);
201 put_be32(pb, index); // rewrite size
202 url_fseek(pb, curpos, SEEK_SET);
203 return updateSize (pb, pos);
206 static int mov_write_amr_tag(ByteIOContext *pb, MOVTrack *track)
208 put_be32(pb, 0x11); /* size */
209 if (track->mode == MODE_MOV) put_tag(pb, "samr");
210 else put_tag(pb, "damr");
212 put_byte(pb, 0); /* decoder version */
214 put_be16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
215 put_byte(pb, 0x00); /* Mode change period (no restriction) */
216 put_byte(pb, 0x01); /* Frames per sample */
220 static int mov_write_enda_tag(ByteIOContext *pb)
224 put_be16(pb, 1); /* little endian */
228 static unsigned int descrLength(unsigned int len)
231 for(i=1; len>>(7*i); i++);
235 static void putDescr(ByteIOContext *pb, int tag, unsigned int size)
237 int i= descrLength(size) - size - 2;
240 put_byte(pb, (size>>(7*i)) | 0x80);
241 put_byte(pb, size & 0x7F);
244 static int mov_write_esds_tag(ByteIOContext *pb, MOVTrack* track) // Basic
246 offset_t pos = url_ftell(pb);
247 int decoderSpecificInfoLen = track->vosLen ? descrLength(track->vosLen):0;
249 put_be32(pb, 0); // size
251 put_be32(pb, 0); // Version
254 putDescr(pb, 0x03, 3 + descrLength(13 + decoderSpecificInfoLen) +
256 put_be16(pb, track->trackID);
257 put_byte(pb, 0x00); // flags (= no flags)
259 // DecoderConfig descriptor
260 putDescr(pb, 0x04, 13 + decoderSpecificInfoLen);
262 // Object type indication
263 put_byte(pb, codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
265 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
266 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
267 if(track->enc->codec_type == CODEC_TYPE_AUDIO)
268 put_byte(pb, 0x15); // flags (= Audiostream)
270 put_byte(pb, 0x11); // flags (= Visualstream)
272 put_byte(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits)
273 put_be16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB
275 put_be32(pb, FFMAX(track->enc->bit_rate, track->enc->rc_max_rate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
276 if(track->enc->rc_max_rate != track->enc->rc_min_rate || track->enc->rc_min_rate==0)
277 put_be32(pb, 0); // vbr
279 put_be32(pb, track->enc->rc_max_rate); // avg bitrate
283 // DecoderSpecific info descriptor
284 putDescr(pb, 0x05, track->vosLen);
285 put_buffer(pb, track->vosData, track->vosLen);
290 putDescr(pb, 0x06, 1);
292 return updateSize (pb, pos);
295 static int mov_write_wave_tag(ByteIOContext *pb, MOVTrack* track)
297 offset_t pos = url_ftell(pb);
299 put_be32(pb, 0); /* size */
302 put_be32(pb, 12); /* size */
304 put_le32(pb, track->tag);
306 if (track->enc->codec_id == CODEC_ID_AAC) {
307 /* useless atom needed by mplayer, ipod, not needed by quicktime */
308 put_be32(pb, 12); /* size */
311 mov_write_esds_tag(pb, track);
312 } else if (track->enc->codec_id == CODEC_ID_PCM_S24LE ||
313 track->enc->codec_id == CODEC_ID_PCM_S32LE) {
314 mov_write_enda_tag(pb);
315 } else if (track->enc->codec_id == CODEC_ID_AMR_NB) {
316 mov_write_amr_tag(pb, track);
319 put_be32(pb, 8); /* size */
320 put_be32(pb, 0); /* null tag */
322 return updateSize (pb, pos);
325 static int mov_write_audio_tag(ByteIOContext *pb, MOVTrack* track)
327 offset_t pos = url_ftell(pb);
328 int version = track->mode == MODE_MOV &&
330 track->enc->codec_id == CODEC_ID_PCM_S32LE ||
331 track->enc->codec_id == CODEC_ID_PCM_S24LE);
333 put_be32(pb, 0); /* size */
334 put_le32(pb, track->tag); // store it byteswapped
335 put_be32(pb, 0); /* Reserved */
336 put_be16(pb, 0); /* Reserved */
337 put_be16(pb, 1); /* Data-reference index, XXX == 1 */
339 /* SoundDescription */
340 put_be16(pb, version); /* Version */
341 put_be16(pb, 0); /* Revision level */
342 put_be32(pb, 0); /* Reserved */
344 if (track->mode == MODE_MOV) {
345 put_be16(pb, track->enc->channels);
346 if (track->enc->codec_id == CODEC_ID_PCM_U8 ||
347 track->enc->codec_id == CODEC_ID_PCM_S8)
348 put_be16(pb, 8); /* bits per sample */
351 put_be16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
352 } else { /* reserved for mp4/3gp */
358 put_be16(pb, 0); /* packet size (= 0) */
359 put_be16(pb, track->timescale); /* Time scale */
360 put_be16(pb, 0); /* Reserved */
362 if(version == 1) { /* SoundDescription V1 extended info */
363 put_be32(pb, track->enc->frame_size); /* Samples per packet */
364 put_be32(pb, track->sampleSize / track->enc->channels); /* Bytes per packet */
365 put_be32(pb, track->sampleSize); /* Bytes per frame */
366 put_be32(pb, 2); /* Bytes per sample */
369 if(track->mode == MODE_MOV &&
370 (track->enc->codec_id == CODEC_ID_AAC ||
371 track->enc->codec_id == CODEC_ID_AMR_NB ||
372 track->enc->codec_id == CODEC_ID_PCM_S24LE ||
373 track->enc->codec_id == CODEC_ID_PCM_S32LE))
374 mov_write_wave_tag(pb, track);
375 else if(track->enc->codec_id == CODEC_ID_AAC)
376 mov_write_esds_tag(pb, track);
377 else if(track->enc->codec_id == CODEC_ID_AMR_NB)
378 mov_write_amr_tag(pb, track);
380 return updateSize (pb, pos);
383 static int mov_write_d263_tag(ByteIOContext *pb)
385 put_be32(pb, 0xf); /* size */
388 put_byte(pb, 0); /* decoder version */
389 /* FIXME use AVCodecContext level/profile, when encoder will set values */
390 put_byte(pb, 0xa); /* level */
391 put_byte(pb, 0); /* profile */
395 /* TODO: No idea about these values */
396 static int mov_write_svq3_tag(ByteIOContext *pb)
402 put_be32(pb, 0xe2c0211d);
403 put_be32(pb, 0xc0000000);
408 static uint8_t *avc_find_startcode( uint8_t *p, uint8_t *end )
410 uint8_t *a = p + 4 - ((int)p & 3);
412 for( end -= 3; p < a && p < end; p++ ) {
413 if( p[0] == 0 && p[1] == 0 && p[2] == 1 )
417 for( end -= 3; p < end; p += 4 ) {
418 uint32_t x = *(uint32_t*)p;
419 // if( (x - 0x01000100) & (~x) & 0x80008000 ) // little endian
420 // if( (x - 0x00010001) & (~x) & 0x00800080 ) // big endian
421 if( (x - 0x01010101) & (~x) & 0x80808080 ) { // generic
423 if( p[0] == 0 && p[2] == 1 )
425 if( p[2] == 0 && p[3] == 1 )
429 if( p[2] == 0 && p[4] == 1 )
431 if( p[4] == 0 && p[5] == 1 )
437 for( end += 3; p < end; p++ ) {
438 if( p[0] == 0 && p[1] == 0 && p[2] == 1 )
445 static void avc_parse_nal_units(uint8_t **buf, int *size)
449 uint8_t *end = p + *size;
450 uint8_t *nal_start, *nal_end;
452 url_open_dyn_buf(&pb);
453 nal_start = avc_find_startcode(p, end);
454 while (nal_start < end) {
455 while(!*(nal_start++));
456 nal_end = avc_find_startcode(nal_start, end);
457 put_be32(&pb, nal_end - nal_start);
458 put_buffer(&pb, nal_start, nal_end - nal_start);
462 *size = url_close_dyn_buf(&pb, buf);
465 static int mov_write_avcc_tag(ByteIOContext *pb, MOVTrack *track)
467 offset_t pos = url_ftell(pb);
471 if (track->vosLen > 6) {
472 /* check for h264 start code */
473 if (AV_RB32(track->vosData) == 0x00000001) {
475 uint32_t sps_size=0, pps_size=0;
476 uint8_t *sps=0, *pps=0;
478 avc_parse_nal_units(&track->vosData, &track->vosLen);
479 buf = track->vosData;
480 end = track->vosData + track->vosLen;
482 /* look for sps and pps */
487 nal_type = buf[4] & 0x1f;
488 if (nal_type == 7) { /* SPS */
491 } else if (nal_type == 8) { /* PPS */
500 put_byte(pb, 1); /* version */
501 put_byte(pb, sps[1]); /* profile */
502 put_byte(pb, sps[2]); /* profile compat */
503 put_byte(pb, sps[3]); /* level */
504 put_byte(pb, 0xff); /* 6 bits reserved (111111) + 2 bits nal size length - 1 (11) */
505 put_byte(pb, 0xe1); /* 3 bits reserved (111) + 5 bits number of sps (00001) */
507 put_be16(pb, sps_size);
508 put_buffer(pb, sps, sps_size);
509 put_byte(pb, 1); /* number of pps */
510 put_be16(pb, pps_size);
511 put_buffer(pb, pps, pps_size);
513 put_buffer(pb, track->vosData, track->vosLen);
516 return updateSize(pb, pos);
519 static int mov_find_video_codec_tag(AVFormatContext *s, MOVTrack *track)
521 int tag = track->enc->codec_tag;
523 if (track->enc->codec_id == CODEC_ID_DVVIDEO) {
524 if (track->enc->height == 480) { /* NTSC */
525 if (track->enc->pix_fmt == PIX_FMT_YUV422P)
526 tag = MKTAG('d', 'v', '5', 'n');
528 tag = MKTAG('d', 'v', 'c', ' ');
529 } else { /* assume PAL */
530 if (track->enc->pix_fmt == PIX_FMT_YUV422P)
531 tag = MKTAG('d', 'v', '5', 'p');
532 else if (track->enc->pix_fmt == PIX_FMT_YUV420P)
533 tag = MKTAG('d', 'v', 'c', 'p');
535 tag = MKTAG('d', 'v', 'p', 'p');
537 } else if (track->enc->codec_id == CODEC_ID_H263) {
538 if (track->mode == MODE_MOV)
539 tag = MKTAG('h', '2', '6', '3');
541 tag = MKTAG('s', '2', '6', '3');
543 tag = codec_get_tag(codec_movvideo_tags, track->enc->codec_id);
546 // if no mac fcc found, try with Microsoft tags
548 tag = codec_get_tag(codec_bmp_tags, track->enc->codec_id);
550 av_log(s, AV_LOG_INFO, "Warning, using MS style video codec tag, the file may be unplayable!\n");
557 static int mov_find_audio_codec_tag(AVFormatContext *s, MOVTrack *track)
559 int tag = track->enc->codec_tag;
561 tag = codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
563 // if no mac fcc found, try with Microsoft tags
565 int ms_tag = codec_get_tag(codec_wav_tags, track->enc->codec_id);
567 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
568 av_log(s, AV_LOG_INFO, "Warning, using MS style audio codec tag, the file may be unplayable!\n");
575 static int mov_write_video_tag(ByteIOContext *pb, MOVTrack* track)
577 offset_t pos = url_ftell(pb);
578 char compressor_name[32];
580 put_be32(pb, 0); /* size */
581 put_le32(pb, track->tag); // store it byteswapped
582 put_be32(pb, 0); /* Reserved */
583 put_be16(pb, 0); /* Reserved */
584 put_be16(pb, 1); /* Data-reference index */
586 put_be16(pb, 0); /* Codec stream version */
587 put_be16(pb, 0); /* Codec stream revision (=0) */
588 if (track->mode == MODE_MOV) {
589 put_tag(pb, "FFMP"); /* Vendor */
590 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
591 put_be32(pb, 0); /* Temporal Quality */
592 put_be32(pb, 0x400); /* Spatial Quality = lossless*/
594 put_be32(pb, 0x200); /* Temporal Quality = normal */
595 put_be32(pb, 0x200); /* Spatial Quality = normal */
598 put_be32(pb, 0); /* Reserved */
599 put_be32(pb, 0); /* Reserved */
600 put_be32(pb, 0); /* Reserved */
602 put_be16(pb, track->enc->width); /* Video width */
603 put_be16(pb, track->enc->height); /* Video height */
604 put_be32(pb, 0x00480000); /* Horizontal resolution 72dpi */
605 put_be32(pb, 0x00480000); /* Vertical resolution 72dpi */
606 put_be32(pb, 0); /* Data size (= 0) */
607 put_be16(pb, 1); /* Frame count (= 1) */
609 memset(compressor_name,0,32);
610 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
611 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
612 strncpy(compressor_name,track->enc->codec->name,31);
613 put_byte(pb, strlen(compressor_name));
614 put_buffer(pb, compressor_name, 31);
616 put_be16(pb, 0x18); /* Reserved */
617 put_be16(pb, 0xffff); /* Reserved */
618 if(track->enc->codec_id == CODEC_ID_MPEG4)
619 mov_write_esds_tag(pb, track);
620 else if(track->enc->codec_id == CODEC_ID_H263)
621 mov_write_d263_tag(pb);
622 else if(track->enc->codec_id == CODEC_ID_SVQ3)
623 mov_write_svq3_tag(pb);
624 else if(track->enc->codec_id == CODEC_ID_H264)
625 mov_write_avcc_tag(pb, track);
627 return updateSize (pb, pos);
630 static int mov_write_stsd_tag(ByteIOContext *pb, MOVTrack* track)
632 offset_t pos = url_ftell(pb);
633 put_be32(pb, 0); /* size */
635 put_be32(pb, 0); /* version & flags */
636 put_be32(pb, 1); /* entry count */
637 if (track->enc->codec_type == CODEC_TYPE_VIDEO)
638 mov_write_video_tag(pb, track);
639 else if (track->enc->codec_type == CODEC_TYPE_AUDIO)
640 mov_write_audio_tag(pb, track);
641 return updateSize(pb, pos);
644 static int mov_write_ctts_tag(ByteIOContext *pb, MOVTrack* track)
646 MOV_stts_t *ctts_entries;
647 uint32_t entries = 0;
651 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
652 ctts_entries[0].count = 1;
653 ctts_entries[0].duration = track->cluster[0].cts;
654 for (i=1; i<track->entry; i++) {
655 if (track->cluster[i].cts == ctts_entries[entries].duration) {
656 ctts_entries[entries].count++; /* compress */
659 ctts_entries[entries].duration = track->cluster[i].cts;
660 ctts_entries[entries].count = 1;
663 entries++; /* last one */
664 atom_size = 16 + (entries * 8);
665 put_be32(pb, atom_size); /* size */
667 put_be32(pb, 0); /* version & flags */
668 put_be32(pb, entries); /* entry count */
669 for (i=0; i<entries; i++) {
670 put_be32(pb, ctts_entries[i].count);
671 put_be32(pb, ctts_entries[i].duration);
673 av_free(ctts_entries);
677 /* Time to sample atom */
678 static int mov_write_stts_tag(ByteIOContext *pb, MOVTrack* track)
680 MOV_stts_t *stts_entries;
681 uint32_t entries = -1;
685 if (track->enc->codec_type == CODEC_TYPE_AUDIO && !track->audio_vbr) {
686 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
687 stts_entries[0].count = track->sampleCount;
688 stts_entries[0].duration = 1;
691 stts_entries = av_malloc(track->entry * sizeof(*stts_entries)); /* worst case */
692 for (i=0; i<track->entry; i++) {
693 int64_t duration = i + 1 == track->entry ?
694 track->trackDuration - track->cluster[i].dts + track->cluster[0].dts : /* readjusting */
695 track->cluster[i+1].dts - track->cluster[i].dts;
696 if (i && duration == stts_entries[entries].duration) {
697 stts_entries[entries].count++; /* compress */
700 stts_entries[entries].duration = duration;
701 stts_entries[entries].count = 1;
704 entries++; /* last one */
706 atom_size = 16 + (entries * 8);
707 put_be32(pb, atom_size); /* size */
709 put_be32(pb, 0); /* version & flags */
710 put_be32(pb, entries); /* entry count */
711 for (i=0; i<entries; i++) {
712 put_be32(pb, stts_entries[i].count);
713 put_be32(pb, stts_entries[i].duration);
715 av_free(stts_entries);
719 static int mov_write_dref_tag(ByteIOContext *pb)
721 put_be32(pb, 28); /* size */
723 put_be32(pb, 0); /* version & flags */
724 put_be32(pb, 1); /* entry count */
726 put_be32(pb, 0xc); /* size */
728 put_be32(pb, 1); /* version & flags */
733 static int mov_write_stbl_tag(ByteIOContext *pb, MOVTrack* track)
735 offset_t pos = url_ftell(pb);
736 put_be32(pb, 0); /* size */
738 mov_write_stsd_tag(pb, track);
739 mov_write_stts_tag(pb, track);
740 if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
741 track->hasKeyframes < track->entry)
742 mov_write_stss_tag(pb, track);
743 if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
745 mov_write_ctts_tag(pb, track);
746 mov_write_stsc_tag(pb, track);
747 mov_write_stsz_tag(pb, track);
748 mov_write_stco_tag(pb, track);
749 return updateSize(pb, pos);
752 static int mov_write_dinf_tag(ByteIOContext *pb)
754 offset_t pos = url_ftell(pb);
755 put_be32(pb, 0); /* size */
757 mov_write_dref_tag(pb);
758 return updateSize(pb, pos);
761 static int mov_write_smhd_tag(ByteIOContext *pb)
763 put_be32(pb, 16); /* size */
765 put_be32(pb, 0); /* version & flags */
766 put_be16(pb, 0); /* reserved (balance, normally = 0) */
767 put_be16(pb, 0); /* reserved */
771 static int mov_write_vmhd_tag(ByteIOContext *pb)
773 put_be32(pb, 0x14); /* size (always 0x14) */
775 put_be32(pb, 0x01); /* version & flags */
776 put_be64(pb, 0); /* reserved (graphics mode = copy) */
780 static int mov_write_hdlr_tag(ByteIOContext *pb, MOVTrack* track)
782 const char *descr, *hdlr, *hdlr_type;
783 offset_t pos = url_ftell(pb);
785 if (!track) { /* no media --> data handler */
788 descr = "DataHandler";
790 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
791 if (track->enc->codec_type == CODEC_TYPE_VIDEO) {
793 descr = "VideoHandler";
796 descr = "SoundHandler";
800 put_be32(pb, 0); /* size */
802 put_be32(pb, 0); /* Version & flags */
803 put_buffer(pb, hdlr, 4); /* handler */
804 put_tag(pb, hdlr_type); /* handler type */
805 put_be32(pb ,0); /* reserved */
806 put_be32(pb ,0); /* reserved */
807 put_be32(pb ,0); /* reserved */
808 put_byte(pb, strlen(descr)); /* string counter */
809 put_buffer(pb, descr, strlen(descr)); /* handler description */
810 return updateSize(pb, pos);
813 static int mov_write_minf_tag(ByteIOContext *pb, MOVTrack* track)
815 offset_t pos = url_ftell(pb);
816 put_be32(pb, 0); /* size */
818 if(track->enc->codec_type == CODEC_TYPE_VIDEO)
819 mov_write_vmhd_tag(pb);
821 mov_write_smhd_tag(pb);
822 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
823 mov_write_hdlr_tag(pb, NULL);
824 mov_write_dinf_tag(pb);
825 mov_write_stbl_tag(pb, track);
826 return updateSize(pb, pos);
829 static int mov_write_mdhd_tag(ByteIOContext *pb, MOVTrack* track)
831 int version = track->trackDuration < INT32_MAX ? 0 : 1;
833 (version == 1) ? put_be32(pb, 44) : put_be32(pb, 32); /* size */
835 put_byte(pb, version);
836 put_be24(pb, 0); /* flags */
838 put_be64(pb, track->time);
839 put_be64(pb, track->time);
841 put_be32(pb, track->time); /* creation time */
842 put_be32(pb, track->time); /* modification time */
844 put_be32(pb, track->timescale); /* time scale (sample rate for audio) */
845 (version == 1) ? put_be64(pb, track->trackDuration) : put_be32(pb, track->trackDuration); /* duration */
846 put_be16(pb, track->language); /* language */
847 put_be16(pb, 0); /* reserved (quality) */
851 static int mov_write_mdia_tag(ByteIOContext *pb, MOVTrack* track)
853 offset_t pos = url_ftell(pb);
854 put_be32(pb, 0); /* size */
856 mov_write_mdhd_tag(pb, track);
857 mov_write_hdlr_tag(pb, track);
858 mov_write_minf_tag(pb, track);
859 return updateSize(pb, pos);
862 static int mov_write_tkhd_tag(ByteIOContext *pb, MOVTrack* track)
864 int64_t duration = av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP);
865 int version = duration < INT32_MAX ? 0 : 1;
867 (version == 1) ? put_be32(pb, 104) : put_be32(pb, 92); /* size */
869 put_byte(pb, version);
870 put_be24(pb, 0xf); /* flags (track enabled) */
872 put_be64(pb, track->time);
873 put_be64(pb, track->time);
875 put_be32(pb, track->time); /* creation time */
876 put_be32(pb, track->time); /* modification time */
878 put_be32(pb, track->trackID); /* track-id */
879 put_be32(pb, 0); /* reserved */
880 (version == 1) ? put_be64(pb, duration) : put_be32(pb, duration);
882 put_be32(pb, 0); /* reserved */
883 put_be32(pb, 0); /* reserved */
884 put_be32(pb, 0x0); /* reserved (Layer & Alternate group) */
885 /* Volume, only for audio */
886 if(track->enc->codec_type == CODEC_TYPE_AUDIO)
887 put_be16(pb, 0x0100);
890 put_be16(pb, 0); /* reserved */
892 /* Matrix structure */
893 put_be32(pb, 0x00010000); /* reserved */
894 put_be32(pb, 0x0); /* reserved */
895 put_be32(pb, 0x0); /* reserved */
896 put_be32(pb, 0x0); /* reserved */
897 put_be32(pb, 0x00010000); /* reserved */
898 put_be32(pb, 0x0); /* reserved */
899 put_be32(pb, 0x0); /* reserved */
900 put_be32(pb, 0x0); /* reserved */
901 put_be32(pb, 0x40000000); /* reserved */
903 /* Track width and height, for visual only */
904 if(track->enc->codec_type == CODEC_TYPE_VIDEO) {
905 double sample_aspect_ratio = av_q2d(track->enc->sample_aspect_ratio);
906 if( !sample_aspect_ratio ) sample_aspect_ratio = 1;
907 put_be32(pb, sample_aspect_ratio * track->enc->width*0x10000);
908 put_be32(pb, track->enc->height*0x10000);
917 // This box seems important for the psp playback ... without it the movie seems to hang
918 static int mov_write_edts_tag(ByteIOContext *pb, MOVTrack *track)
920 put_be32(pb, 0x24); /* size */
922 put_be32(pb, 0x1c); /* size */
927 put_be32(pb, av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP)); /* duration ... doesn't seem to effect psp */
929 put_be32(pb, track->cluster[0].cts); /* first pts is cts since dts is 0 */
930 put_be32(pb, 0x00010000);
934 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
935 static int mov_write_uuid_tag_psp(ByteIOContext *pb, MOVTrack *mov)
937 put_be32(pb, 0x34); /* size ... reports as 28 in mp4box! */
940 put_be32(pb, 0x21d24fce);
941 put_be32(pb, 0xbb88695c);
942 put_be32(pb, 0xfac9c740);
943 put_be32(pb, 0x1c); // another size here!
945 put_be32(pb, 0x00010012);
947 put_be32(pb, 0x55c40000);
953 static int mov_write_trak_tag(ByteIOContext *pb, MOVTrack* track)
955 offset_t pos = url_ftell(pb);
956 put_be32(pb, 0); /* size */
958 mov_write_tkhd_tag(pb, track);
959 if (track->mode == MODE_PSP || track->hasBframes)
960 mov_write_edts_tag(pb, track); // PSP Movies require edts box
961 mov_write_mdia_tag(pb, track);
962 if (track->mode == MODE_PSP)
963 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
964 return updateSize(pb, pos);
968 /* TODO: Not sorted out, but not necessary either */
969 static int mov_write_iods_tag(ByteIOContext *pb, MOVContext *mov)
971 put_be32(pb, 0x15); /* size */
973 put_be32(pb, 0); /* version & flags */
974 put_be16(pb, 0x1007);
976 put_be16(pb, 0x4fff);
977 put_be16(pb, 0xfffe);
978 put_be16(pb, 0x01ff);
983 static int mov_write_mvhd_tag(ByteIOContext *pb, MOVContext *mov)
985 int maxTrackID = 1, i;
986 int64_t maxTrackLenTemp, maxTrackLen = 0;
989 for (i=0; i<mov->nb_streams; i++) {
990 if(mov->tracks[i].entry > 0) {
991 maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration, globalTimescale, mov->tracks[i].timescale, AV_ROUND_UP);
992 if(maxTrackLen < maxTrackLenTemp)
993 maxTrackLen = maxTrackLenTemp;
994 if(maxTrackID < mov->tracks[i].trackID)
995 maxTrackID = mov->tracks[i].trackID;
999 version = maxTrackLen < UINT32_MAX ? 0 : 1;
1000 (version == 1) ? put_be32(pb, 120) : put_be32(pb, 108); /* size */
1001 put_tag(pb, "mvhd");
1002 put_byte(pb, version);
1003 put_be24(pb, 0); /* flags */
1005 put_be64(pb, mov->time);
1006 put_be64(pb, mov->time);
1008 put_be32(pb, mov->time); /* creation time */
1009 put_be32(pb, mov->time); /* modification time */
1011 put_be32(pb, mov->timescale); /* timescale */
1012 (version == 1) ? put_be64(pb, maxTrackLen) : put_be32(pb, maxTrackLen); /* duration of longest track */
1014 put_be32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1015 put_be16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1016 put_be16(pb, 0); /* reserved */
1017 put_be32(pb, 0); /* reserved */
1018 put_be32(pb, 0); /* reserved */
1020 /* Matrix structure */
1021 put_be32(pb, 0x00010000); /* reserved */
1022 put_be32(pb, 0x0); /* reserved */
1023 put_be32(pb, 0x0); /* reserved */
1024 put_be32(pb, 0x0); /* reserved */
1025 put_be32(pb, 0x00010000); /* reserved */
1026 put_be32(pb, 0x0); /* reserved */
1027 put_be32(pb, 0x0); /* reserved */
1028 put_be32(pb, 0x0); /* reserved */
1029 put_be32(pb, 0x40000000); /* reserved */
1031 put_be32(pb, 0); /* reserved (preview time) */
1032 put_be32(pb, 0); /* reserved (preview duration) */
1033 put_be32(pb, 0); /* reserved (poster time) */
1034 put_be32(pb, 0); /* reserved (selection time) */
1035 put_be32(pb, 0); /* reserved (selection duration) */
1036 put_be32(pb, 0); /* reserved (current time) */
1037 put_be32(pb, maxTrackID+1); /* Next track id */
1041 static int mov_write_itunes_hdlr_tag(ByteIOContext *pb, MOVContext* mov,
1044 offset_t pos = url_ftell(pb);
1045 put_be32(pb, 0); /* size */
1046 put_tag(pb, "hdlr");
1049 put_tag(pb, "mdir");
1050 put_tag(pb, "appl");
1054 return updateSize(pb, pos);
1057 /* helper function to write a data tag with the specified string as data */
1058 static int mov_write_string_data_tag(ByteIOContext *pb, const char *data, int long_style)
1061 offset_t pos = url_ftell(pb);
1062 put_be32(pb, 0); /* size */
1063 put_tag(pb, "data");
1066 put_buffer(pb, data, strlen(data));
1067 return updateSize(pb, pos);
1069 put_be16(pb, strlen(data)); /* string length */
1071 put_buffer(pb, data, strlen(data));
1072 return strlen(data) + 4;
1076 static int mov_write_string_tag(ByteIOContext *pb, const char *name, const char *value, int long_style){
1078 if ( value && value[0] ) {
1079 offset_t pos = url_ftell(pb);
1080 put_be32(pb, 0); /* size */
1082 mov_write_string_data_tag(pb, value, long_style);
1083 size= updateSize(pb, pos);
1089 static int mov_write_day_tag(ByteIOContext *pb, int year, int long_style)
1093 snprintf(year_str, sizeof(year_str), "%04d", year);
1094 return mov_write_string_tag(pb, "\251day", year_str, long_style);
1099 /* iTunes track number */
1100 static int mov_write_trkn_tag(ByteIOContext *pb, MOVContext* mov,
1105 offset_t pos = url_ftell(pb);
1106 put_be32(pb, 0); /* size */
1107 put_tag(pb, "trkn");
1109 offset_t pos = url_ftell(pb);
1110 put_be32(pb, 0); /* size */
1111 put_tag(pb, "data");
1112 put_be32(pb, 0); // 8 bytes empty
1114 put_be16(pb, 0); // empty
1115 put_be16(pb, s->track); // track number
1116 put_be16(pb, 0); // total track number
1117 put_be16(pb, 0); // empty
1118 updateSize(pb, pos);
1120 size = updateSize(pb, pos);
1125 /* iTunes meta data list */
1126 static int mov_write_ilst_tag(ByteIOContext *pb, MOVContext* mov,
1129 offset_t pos = url_ftell(pb);
1130 put_be32(pb, 0); /* size */
1131 put_tag(pb, "ilst");
1132 mov_write_string_tag(pb, "\251nam", s->title , 1);
1133 mov_write_string_tag(pb, "\251ART", s->author , 1);
1134 mov_write_string_tag(pb, "\251wrt", s->author , 1);
1135 mov_write_string_tag(pb, "\251alb", s->album , 1);
1136 mov_write_day_tag(pb, s->year ,1);
1137 if(mov->tracks[0].enc && !(mov->tracks[0].enc->flags & CODEC_FLAG_BITEXACT))
1138 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 1);
1139 mov_write_string_tag(pb, "\251cmt", s->comment , 1);
1140 mov_write_string_tag(pb, "\251gen", s->genre , 1);
1141 mov_write_trkn_tag(pb, mov, s);
1142 return updateSize(pb, pos);
1145 /* iTunes meta data tag */
1146 static int mov_write_meta_tag(ByteIOContext *pb, MOVContext* mov,
1151 // only save meta tag if required
1152 if ( s->title[0] || s->author[0] || s->album[0] || s->year ||
1153 s->comment[0] || s->genre[0] || s->track ) {
1154 offset_t pos = url_ftell(pb);
1155 put_be32(pb, 0); /* size */
1156 put_tag(pb, "meta");
1158 mov_write_itunes_hdlr_tag(pb, mov, s);
1159 mov_write_ilst_tag(pb, mov, s);
1160 size = updateSize(pb, pos);
1165 static int mov_write_udta_tag(ByteIOContext *pb, MOVContext* mov,
1168 offset_t pos = url_ftell(pb);
1171 put_be32(pb, 0); /* size */
1172 put_tag(pb, "udta");
1174 /* iTunes meta data */
1175 mov_write_meta_tag(pb, mov, s);
1177 if(mov->mode == MODE_MOV){ // the title field breaks gtkpod with mp4 and my suspicion is that stuff isnt valid in mp4
1179 for (i=0; i<mov->nb_streams; i++) {
1180 if(mov->tracks[i].entry <= 0) continue;
1181 if (mov->tracks[i].enc->codec_id == CODEC_ID_AAC ||
1182 mov->tracks[i].enc->codec_id == CODEC_ID_MPEG4) {
1183 mov_write_string_tag(pb, "\251req", "QuickTime 6.0 or greater", 0);
1188 mov_write_string_tag(pb, "\251nam", s->title , 0);
1189 mov_write_string_tag(pb, "\251aut", s->author , 0);
1190 mov_write_string_tag(pb, "\251alb", s->album , 0);
1191 mov_write_day_tag(pb, s->year, 0);
1192 if(mov->tracks[0].enc && !(mov->tracks[0].enc->flags & CODEC_FLAG_BITEXACT))
1193 mov_write_string_tag(pb, "\251enc", LIBAVFORMAT_IDENT, 0);
1194 mov_write_string_tag(pb, "\251des", s->comment , 0);
1195 mov_write_string_tag(pb, "\251gen", s->genre , 0);
1198 return updateSize(pb, pos);
1201 static int utf8len(uint8_t *b){
1205 GET_UTF8(val, *b++, return -1;)
1211 static int ascii_to_wc (ByteIOContext *pb, uint8_t *b)
1215 GET_UTF8(val, *b++, return -1;)
1222 static uint16_t language_code (const char *str)
1224 return ((((str[0]-0x60) & 0x1F)<<10) + (((str[1]-0x60) & 0x1F)<<5) + ((str[2]-0x60) & 0x1F));
1227 static int mov_write_uuidusmt_tag (ByteIOContext *pb, AVFormatContext *s)
1230 offset_t pos, curpos;
1234 pos = url_ftell(pb);
1235 put_be32(pb, 0); /* size placeholder*/
1236 put_tag(pb, "uuid");
1237 put_tag(pb, "USMT");
1238 put_be32(pb, 0x21d24fce ); /* 96 bit UUID */
1239 put_be32(pb, 0xbb88695c );
1240 put_be32(pb, 0xfac9c740 );
1243 put_be32(pb, 0); /* size placeholder*/
1244 put_tag(pb, "MTDT");
1249 put_be16(pb, 0x0C); /* size */
1250 put_be32(pb, 0x0B); /* type */
1251 put_be16(pb, language_code("und")); /* language */
1252 put_be16(pb, 0x0); /* ? */
1253 put_be16(pb, 0x021C); /* data */
1257 len = utf8len(LIBAVCODEC_IDENT)+1;
1260 put_be16(pb, len*2+10); /* size */
1261 put_be32(pb, 0x04); /* type */
1262 put_be16(pb, language_code("eng")); /* language */
1263 put_be16(pb, 0x01); /* ? */
1264 ascii_to_wc(pb, LIBAVCODEC_IDENT);
1268 len = utf8len(s->title)+1;
1271 put_be16(pb, len*2+10); /* size */
1272 put_be32(pb, 0x01); /* type */
1273 put_be16(pb, language_code("eng")); /* language */
1274 put_be16(pb, 0x01); /* ? */
1275 ascii_to_wc (pb, s->title);
1279 // 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);
1280 len = utf8len("2006/04/01 11:11:11")+1;
1283 put_be16(pb, len*2+10); /* size */
1284 put_be32(pb, 0x03); /* type */
1285 put_be16(pb, language_code("und")); /* language */
1286 put_be16(pb, 0x01); /* ? */
1287 ascii_to_wc (pb, "2006/04/01 11:11:11");
1291 curpos = url_ftell(pb);
1292 url_fseek(pb, pos, SEEK_SET);
1294 url_fseek(pb, pos+24, SEEK_SET);
1295 put_be32(pb, size-24);
1296 url_fseek(pb, curpos, SEEK_SET);
1301 av_log(s, AV_LOG_ERROR, "not utf8\n");
1305 static int mov_write_moov_tag(ByteIOContext *pb, MOVContext *mov,
1309 offset_t pos = url_ftell(pb);
1310 put_be32(pb, 0); /* size placeholder*/
1311 put_tag(pb, "moov");
1312 mov->timescale = globalTimescale;
1314 for (i=0; i<mov->nb_streams; i++) {
1315 if(mov->tracks[i].entry <= 0) continue;
1317 mov->tracks[i].time = mov->time;
1318 mov->tracks[i].trackID = i+1;
1321 mov_write_mvhd_tag(pb, mov);
1322 //mov_write_iods_tag(pb, mov);
1323 for (i=0; i<mov->nb_streams; i++) {
1324 if(mov->tracks[i].entry > 0) {
1325 mov_write_trak_tag(pb, &(mov->tracks[i]));
1329 if (mov->mode == MODE_PSP)
1330 mov_write_uuidusmt_tag(pb, s);
1332 mov_write_udta_tag(pb, mov, s);
1334 return updateSize(pb, pos);
1337 static int mov_write_mdat_tag(ByteIOContext *pb, MOVContext* mov)
1339 put_be32(pb, 8); // placeholder for extended size field (64 bit)
1340 put_tag(pb, mov->mode == MODE_MOV ? "wide" : "free");
1342 mov->mdat_pos = url_ftell(pb);
1343 put_be32(pb, 0); /* size placeholder*/
1344 put_tag(pb, "mdat");
1348 /* TODO: This needs to be more general */
1349 static void mov_write_ftyp_tag (ByteIOContext *pb, AVFormatContext *s)
1351 MOVContext *mov = s->priv_data;
1353 put_be32(pb, 0x14 ); /* size */
1354 put_tag(pb, "ftyp");
1356 if ( mov->mode == MODE_3GP )
1357 put_tag(pb, "3gp4");
1358 else if ( mov->mode == MODE_3G2 )
1359 put_tag(pb, "3g2a");
1360 else if ( mov->mode == MODE_PSP )
1361 put_tag(pb, "MSNV");
1362 else if ( mov->mode == MODE_MP4 )
1363 put_tag(pb, "isom");
1367 put_be32(pb, 0x200 );
1369 if ( mov->mode == MODE_3GP )
1370 put_tag(pb, "3gp4");
1371 else if ( mov->mode == MODE_3G2 )
1372 put_tag(pb, "3g2a");
1373 else if ( mov->mode == MODE_PSP )
1374 put_tag(pb, "MSNV");
1375 else if ( mov->mode == MODE_MP4 )
1376 put_tag(pb, "mp41");
1381 static void mov_write_uuidprof_tag(ByteIOContext *pb, AVFormatContext *s)
1383 AVCodecContext *VideoCodec = s->streams[0]->codec;
1384 AVCodecContext *AudioCodec = s->streams[1]->codec;
1385 int AudioRate = AudioCodec->sample_rate;
1386 int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num);
1387 int audio_kbitrate= AudioCodec->bit_rate / 1000;
1388 int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate);
1390 put_be32(pb, 0x94 ); /* size */
1391 put_tag(pb, "uuid");
1392 put_tag(pb, "PROF");
1394 put_be32(pb, 0x21d24fce ); /* 96 bit UUID */
1395 put_be32(pb, 0xbb88695c );
1396 put_be32(pb, 0xfac9c740 );
1398 put_be32(pb, 0x0 ); /* ? */
1399 put_be32(pb, 0x3 ); /* 3 sections ? */
1401 put_be32(pb, 0x14 ); /* size */
1402 put_tag(pb, "FPRF");
1403 put_be32(pb, 0x0 ); /* ? */
1404 put_be32(pb, 0x0 ); /* ? */
1405 put_be32(pb, 0x0 ); /* ? */
1407 put_be32(pb, 0x2c ); /* size */
1408 put_tag(pb, "APRF"); /* audio */
1410 put_be32(pb, 0x2 ); /* TrackID */
1411 put_tag(pb, "mp4a");
1412 put_be32(pb, 0x20f );
1414 put_be32(pb, audio_kbitrate);
1415 put_be32(pb, audio_kbitrate);
1416 put_be32(pb, AudioRate );
1417 put_be32(pb, AudioCodec->channels );
1419 put_be32(pb, 0x34 ); /* size */
1420 put_tag(pb, "VPRF"); /* video */
1422 put_be32(pb, 0x1 ); /* TrackID */
1423 if (VideoCodec->codec_id == CODEC_ID_H264) {
1424 put_tag(pb, "avc1");
1425 put_be16(pb, 0x014D );
1426 put_be16(pb, 0x0015 );
1428 put_tag(pb, "mp4v");
1429 put_be16(pb, 0x0000 );
1430 put_be16(pb, 0x0103 );
1433 put_be32(pb, video_kbitrate);
1434 put_be32(pb, video_kbitrate);
1435 put_be32(pb, FrameRate);
1436 put_be32(pb, FrameRate);
1437 put_be16(pb, VideoCodec->width);
1438 put_be16(pb, VideoCodec->height);
1439 put_be32(pb, 0x010001); /* ? */
1442 static int mov_write_header(AVFormatContext *s)
1444 ByteIOContext *pb = &s->pb;
1445 MOVContext *mov = s->priv_data;
1448 /* Default mode == MP4 */
1449 mov->mode = MODE_MP4;
1451 if (s->oformat != NULL) {
1452 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
1453 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3G2;
1454 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
1455 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
1457 mov_write_ftyp_tag(pb,s);
1458 if ( mov->mode == MODE_PSP ) {
1459 if ( s->nb_streams != 2 ) {
1460 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
1463 mov_write_uuidprof_tag(pb,s);
1467 for(i=0; i<s->nb_streams; i++){
1468 AVStream *st= s->streams[i];
1469 MOVTrack *track= &mov->tracks[i];
1471 track->enc = st->codec;
1472 track->language = ff_mov_iso639_to_lang(st->language, mov->mode != MODE_MOV);
1473 track->mode = mov->mode;
1474 if(st->codec->codec_type == CODEC_TYPE_VIDEO){
1475 track->tag = mov_find_video_codec_tag(s, track);
1476 track->timescale = st->codec->time_base.den;
1477 av_set_pts_info(st, 64, 1, st->codec->time_base.den);
1478 }else if(st->codec->codec_type == CODEC_TYPE_AUDIO){
1479 track->tag = mov_find_audio_codec_tag(s, track);
1480 track->timescale = st->codec->sample_rate;
1481 av_set_pts_info(st, 64, 1, st->codec->sample_rate);
1482 if(!st->codec->frame_size){
1483 av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
1485 }else if(st->codec->frame_size > 1){ /* assume compressed audio */
1486 track->audio_vbr = 1;
1488 track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
1493 mov_write_mdat_tag(pb, mov);
1494 mov->time = s->timestamp + 0x7C25B080; //1970 based -> 1904 based
1495 mov->nb_streams = s->nb_streams;
1497 put_flush_packet(pb);
1502 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
1504 MOVContext *mov = s->priv_data;
1505 ByteIOContext *pb = &s->pb;
1506 MOVTrack *trk = &mov->tracks[pkt->stream_index];
1507 AVCodecContext *enc = trk->enc;
1508 unsigned int samplesInChunk = 0;
1509 int size= pkt->size;
1511 if (url_is_streamed(&s->pb)) return 0; /* Can't handle that */
1512 if (!size) return 0; /* Discard 0 sized packets */
1514 if (enc->codec_id == CODEC_ID_AMR_NB) {
1515 /* We must find out how many AMR blocks there are in one packet */
1516 static uint16_t packed_size[16] =
1517 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 0};
1520 while (len < size && samplesInChunk < 100) {
1521 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
1524 if(samplesInChunk > 1){
1525 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, inplement a AVParser for it\n");
1528 } else if (trk->sampleSize)
1529 samplesInChunk = size/trk->sampleSize;
1533 /* copy extradata if it exists */
1534 if (trk->vosLen == 0 && enc->extradata_size > 0) {
1535 trk->vosLen = enc->extradata_size;
1536 trk->vosData = av_malloc(trk->vosLen);
1537 memcpy(trk->vosData, enc->extradata, trk->vosLen);
1540 if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) {
1541 /* from x264 or from bytestream h264 */
1542 /* nal reformating needed */
1543 avc_parse_nal_units(&pkt->data, &pkt->size);
1548 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
1549 trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster));
1554 trk->cluster[trk->entry].pos = url_ftell(pb);
1555 trk->cluster[trk->entry].samplesInChunk = samplesInChunk;
1556 trk->cluster[trk->entry].size = size;
1557 trk->cluster[trk->entry].entries = samplesInChunk;
1558 trk->cluster[trk->entry].dts = pkt->dts;
1559 trk->trackDuration = pkt->dts - trk->cluster[0].dts + pkt->duration;
1561 if(enc->codec_type == CODEC_TYPE_VIDEO) {
1562 if (pkt->dts != pkt->pts)
1563 trk->hasBframes = 1;
1564 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
1565 trk->cluster[trk->entry].key_frame = !!(pkt->flags & PKT_FLAG_KEY);
1566 if(trk->cluster[trk->entry].key_frame)
1567 trk->hasKeyframes++;
1570 trk->sampleCount += samplesInChunk;
1571 mov->mdat_size += size;
1573 put_buffer(pb, pkt->data, size);
1575 put_flush_packet(pb);
1579 static int mov_write_trailer(AVFormatContext *s)
1581 MOVContext *mov = s->priv_data;
1582 ByteIOContext *pb = &s->pb;
1586 offset_t moov_pos = url_ftell(pb);
1588 /* Write size of mdat tag */
1589 if (mov->mdat_size+8 <= UINT32_MAX) {
1590 url_fseek(pb, mov->mdat_pos, SEEK_SET);
1591 put_be32(pb, mov->mdat_size+8);
1593 /* overwrite 'wide' placeholder atom */
1594 url_fseek(pb, mov->mdat_pos - 8, SEEK_SET);
1595 put_be32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */
1596 put_tag(pb, "mdat");
1597 put_be64(pb, mov->mdat_size+16);
1599 url_fseek(pb, moov_pos, SEEK_SET);
1601 mov_write_moov_tag(pb, mov, s);
1603 for (i=0; i<mov->nb_streams; i++) {
1604 av_freep(&mov->tracks[i].cluster);
1606 if( mov->tracks[i].vosLen ) av_free( mov->tracks[i].vosData );
1610 put_flush_packet(pb);
1615 #ifdef CONFIG_MOV_MUXER
1616 AVOutputFormat mov_muxer = {
1627 .flags = AVFMT_GLOBALHEADER,
1630 #ifdef CONFIG_TGP_MUXER
1631 AVOutputFormat tgp_muxer = {
1642 .flags = AVFMT_GLOBALHEADER,
1645 #ifdef CONFIG_MP4_MUXER
1646 AVOutputFormat mp4_muxer = {
1657 .flags = AVFMT_GLOBALHEADER,
1660 #ifdef CONFIG_PSP_MUXER
1661 AVOutputFormat psp_muxer = {
1672 .flags = AVFMT_GLOBALHEADER,
1675 #ifdef CONFIG_TG2_MUXER
1676 AVOutputFormat tg2_muxer = {
1687 .flags = AVFMT_GLOBALHEADER,