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
31 #define MOV_INDEX_CLUSTER_SIZE 16384
32 #define globalTimescale 1000
37 #define MODE_PSP 3 // example working PSP command line:
38 // ffmpeg -i testinput.avi -f psp -r 14.985 -s 320x240 -b 768 -ar 24000 -ab 32 M4V00001.MP4
41 typedef struct MOVIentry {
42 unsigned int flags, size;
44 unsigned int samplesInChunk;
51 typedef struct MOVIndex {
56 int64_t trackDuration;
63 int tag; ///< stsd fourcc
72 typedef struct MOVContext {
79 MOVTrack tracks[MAX_STREAMS];
82 //FIXME support 64 bit variant with wide placeholders
83 static offset_t updateSize (ByteIOContext *pb, offset_t pos)
85 offset_t curpos = url_ftell(pb);
86 url_fseek(pb, pos, SEEK_SET);
87 put_be32(pb, curpos - pos); /* rewrite size */
88 url_fseek(pb, curpos, SEEK_SET);
93 /* Chunk offset atom */
94 static int mov_write_stco_tag(ByteIOContext *pb, MOVTrack* track)
97 int mode64 = 0; // use 32 bit size variant if possible
98 offset_t pos = url_ftell(pb);
99 put_be32(pb, 0); /* size */
100 if (pos > UINT32_MAX) {
105 put_be32(pb, 0); /* version & flags */
106 put_be32(pb, track->entry); /* entry count */
107 for (i=0; i<track->entry; i++) {
109 put_be64(pb, track->cluster[i].pos);
111 put_be32(pb, track->cluster[i].pos);
113 return updateSize (pb, pos);
116 /* Sample size atom */
117 static int mov_write_stsz_tag(ByteIOContext *pb, MOVTrack* track)
120 int i, j, entries = 0, tst = -1, oldtst = -1;
122 offset_t pos = url_ftell(pb);
123 put_be32(pb, 0); /* size */
125 put_be32(pb, 0); /* version & flags */
127 for (i=0; i<track->entry; i++) {
128 tst = track->cluster[i].size/track->cluster[i].entries;
129 if(oldtst != -1 && tst != oldtst) {
133 entries += track->cluster[i].entries;
136 int sSize = track->cluster[0].size/track->cluster[0].entries;
137 put_be32(pb, sSize); // sample size
138 put_be32(pb, entries); // sample count
141 put_be32(pb, 0); // sample size
142 put_be32(pb, entries); // sample count
143 for (i=0; i<track->entry; i++) {
144 for ( j=0; j<track->cluster[i].entries; j++) {
145 put_be32(pb, track->cluster[i].size /
146 track->cluster[i].entries);
150 return updateSize (pb, pos);
153 /* Sample to chunk atom */
154 static int mov_write_stsc_tag(ByteIOContext *pb, MOVTrack* track)
156 int index = 0, oldval = -1, i;
157 offset_t entryPos, curpos;
159 offset_t pos = url_ftell(pb);
160 put_be32(pb, 0); /* size */
162 put_be32(pb, 0); // version & flags
163 entryPos = url_ftell(pb);
164 put_be32(pb, track->entry); // entry count
165 for (i=0; i<track->entry; i++) {
166 if(oldval != track->cluster[i].samplesInChunk)
168 put_be32(pb, i+1); // first chunk
169 put_be32(pb, track->cluster[i].samplesInChunk); // samples per chunk
170 put_be32(pb, 0x1); // sample description index
171 oldval = track->cluster[i].samplesInChunk;
175 curpos = url_ftell(pb);
176 url_fseek(pb, entryPos, SEEK_SET);
177 put_be32(pb, index); // rewrite size
178 url_fseek(pb, curpos, SEEK_SET);
180 return updateSize (pb, pos);
183 /* Sync sample atom */
184 static int mov_write_stss_tag(ByteIOContext *pb, MOVTrack* track)
186 offset_t curpos, entryPos;
188 offset_t pos = url_ftell(pb);
189 put_be32(pb, 0); // size
191 put_be32(pb, 0); // version & flags
192 entryPos = url_ftell(pb);
193 put_be32(pb, track->entry); // entry count
194 for (i=0; i<track->entry; i++) {
195 if(track->cluster[i].key_frame == 1) {
200 curpos = url_ftell(pb);
201 url_fseek(pb, entryPos, SEEK_SET);
202 put_be32(pb, index); // rewrite size
203 url_fseek(pb, curpos, SEEK_SET);
204 return updateSize (pb, pos);
207 static int mov_write_amr_tag(ByteIOContext *pb, MOVTrack *track)
209 put_be32(pb, 0x11); /* size */
210 if (track->mode == MODE_MOV) put_tag(pb, "samr");
211 else put_tag(pb, "damr");
213 put_byte(pb, 0); /* decoder version */
215 put_be16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
216 put_byte(pb, 0x00); /* Mode change period (no restriction) */
217 put_byte(pb, 0x01); /* Frames per sample */
221 static int mov_write_enda_tag(ByteIOContext *pb)
225 put_be16(pb, 1); /* little endian */
229 static unsigned int descrLength(unsigned int len)
232 for(i=1; len>>(7*i); i++);
236 static void putDescr(ByteIOContext *pb, int tag, unsigned int size)
238 int i= descrLength(size) - size - 2;
241 put_byte(pb, (size>>(7*i)) | 0x80);
242 put_byte(pb, size & 0x7F);
245 static int mov_write_esds_tag(ByteIOContext *pb, MOVTrack* track) // Basic
247 offset_t pos = url_ftell(pb);
248 int decoderSpecificInfoLen = track->vosLen ? descrLength(track->vosLen):0;
250 put_be32(pb, 0); // size
252 put_be32(pb, 0); // Version
255 putDescr(pb, 0x03, 3 + descrLength(13 + decoderSpecificInfoLen) +
257 put_be16(pb, track->trackID);
258 put_byte(pb, 0x00); // flags (= no flags)
260 // DecoderConfig descriptor
261 putDescr(pb, 0x04, 13 + decoderSpecificInfoLen);
263 // Object type indication
264 put_byte(pb, codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
266 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
267 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
268 if(track->enc->codec_type == CODEC_TYPE_AUDIO)
269 put_byte(pb, 0x15); // flags (= Audiostream)
271 put_byte(pb, 0x11); // flags (= Visualstream)
273 put_byte(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits)
274 put_be16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB
276 put_be32(pb, FFMAX(track->enc->bit_rate, track->enc->rc_max_rate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
277 if(track->enc->rc_max_rate != track->enc->rc_min_rate || track->enc->rc_min_rate==0)
278 put_be32(pb, 0); // vbr
280 put_be32(pb, track->enc->rc_max_rate); // avg bitrate
284 // DecoderSpecific info descriptor
285 putDescr(pb, 0x05, track->vosLen);
286 put_buffer(pb, track->vosData, track->vosLen);
291 putDescr(pb, 0x06, 1);
293 return updateSize (pb, pos);
296 static int mov_write_wave_tag(ByteIOContext *pb, MOVTrack* track)
298 offset_t pos = url_ftell(pb);
300 put_be32(pb, 0); /* size */
303 put_be32(pb, 12); /* size */
305 put_le32(pb, track->tag);
307 if (track->enc->codec_id == CODEC_ID_AAC) {
308 /* useless atom needed by mplayer, ipod, not needed by quicktime */
309 put_be32(pb, 12); /* size */
312 mov_write_esds_tag(pb, track);
313 } else if (track->enc->codec_id == CODEC_ID_PCM_S24LE ||
314 track->enc->codec_id == CODEC_ID_PCM_S32LE) {
315 mov_write_enda_tag(pb);
316 } else if (track->enc->codec_id == CODEC_ID_AMR_NB) {
317 mov_write_amr_tag(pb, track);
320 put_be32(pb, 8); /* size */
321 put_be32(pb, 0); /* null tag */
323 return updateSize (pb, pos);
326 static int mov_write_glbl_tag(ByteIOContext *pb, MOVTrack* track)
328 put_be32(pb, track->vosLen+8);
330 put_buffer(pb, track->vosData, track->vosLen);
331 return 8+track->vosLen;
334 static int mov_write_audio_tag(ByteIOContext *pb, MOVTrack* track)
336 offset_t pos = url_ftell(pb);
337 int version = track->mode == MODE_MOV &&
339 track->enc->codec_id == CODEC_ID_PCM_S32LE ||
340 track->enc->codec_id == CODEC_ID_PCM_S24LE);
342 put_be32(pb, 0); /* size */
343 put_le32(pb, track->tag); // store it byteswapped
344 put_be32(pb, 0); /* Reserved */
345 put_be16(pb, 0); /* Reserved */
346 put_be16(pb, 1); /* Data-reference index, XXX == 1 */
348 /* SoundDescription */
349 put_be16(pb, version); /* Version */
350 put_be16(pb, 0); /* Revision level */
351 put_be32(pb, 0); /* Reserved */
353 if (track->mode == MODE_MOV) {
354 put_be16(pb, track->enc->channels);
355 if (track->enc->codec_id == CODEC_ID_PCM_U8 ||
356 track->enc->codec_id == CODEC_ID_PCM_S8)
357 put_be16(pb, 8); /* bits per sample */
360 put_be16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
361 } else { /* reserved for mp4/3gp */
367 put_be16(pb, 0); /* packet size (= 0) */
368 put_be16(pb, track->timescale); /* Time scale */
369 put_be16(pb, 0); /* Reserved */
371 if(version == 1) { /* SoundDescription V1 extended info */
372 put_be32(pb, track->enc->frame_size); /* Samples per packet */
373 put_be32(pb, track->sampleSize / track->enc->channels); /* Bytes per packet */
374 put_be32(pb, track->sampleSize); /* Bytes per frame */
375 put_be32(pb, 2); /* Bytes per sample */
378 if(track->mode == MODE_MOV &&
379 (track->enc->codec_id == CODEC_ID_AAC ||
380 track->enc->codec_id == CODEC_ID_AMR_NB ||
381 track->enc->codec_id == CODEC_ID_PCM_S24LE ||
382 track->enc->codec_id == CODEC_ID_PCM_S32LE))
383 mov_write_wave_tag(pb, track);
384 else if(track->enc->codec_id == CODEC_ID_AAC)
385 mov_write_esds_tag(pb, track);
386 else if(track->enc->codec_id == CODEC_ID_AMR_NB)
387 mov_write_amr_tag(pb, track);
388 else if(track->vosLen > 0)
389 mov_write_glbl_tag(pb, track);
391 return updateSize (pb, pos);
394 static int mov_write_d263_tag(ByteIOContext *pb)
396 put_be32(pb, 0xf); /* size */
399 put_byte(pb, 0); /* decoder version */
400 /* FIXME use AVCodecContext level/profile, when encoder will set values */
401 put_byte(pb, 0xa); /* level */
402 put_byte(pb, 0); /* profile */
406 /* TODO: No idea about these values */
407 static int mov_write_svq3_tag(ByteIOContext *pb)
413 put_be32(pb, 0xe2c0211d);
414 put_be32(pb, 0xc0000000);
419 static int mov_write_avcc_tag(ByteIOContext *pb, MOVTrack *track)
421 offset_t pos = url_ftell(pb);
425 ff_isom_write_avcc(pb, track->vosData, track->vosLen);
426 return updateSize(pb, pos);
429 /* also used by all avid codecs (dv, imx, meridien) and their variants */
430 static int mov_write_avid_tag(ByteIOContext *pb, MOVTrack *track)
433 put_be32(pb, 24); /* size */
437 put_be32(pb, 1); /* yuv 1 / rgb 2 ? */
438 put_be32(pb, 0); /* unknown */
440 put_be32(pb, 24); /* size */
444 put_be32(pb, 1); /* unknown */
445 put_be32(pb, 0); /* unknown */
447 put_be32(pb, 120); /* size */
451 put_be32(pb, AV_RB32(track->vosData + 0x28)); /* dnxhd cid, some id ? */
452 put_be32(pb, track->enc->width);
453 /* values below are based on samples created with quicktime and avid codecs */
454 if (track->vosData[5] & 2) { // interlaced
455 put_be32(pb, track->enc->height/2);
456 put_be32(pb, 2); /* unknown */
457 put_be32(pb, 0); /* unknown */
458 put_be32(pb, 4); /* unknown */
460 put_be32(pb, track->enc->height);
461 put_be32(pb, 1); /* unknown */
462 put_be32(pb, 0); /* unknown */
463 if (track->enc->height == 1080)
464 put_be32(pb, 5); /* unknown */
466 put_be32(pb, 6); /* unknown */
469 for (i = 0; i < 10; i++)
472 /* extra padding for stsd needed */
477 static int mov_find_video_codec_tag(AVFormatContext *s, MOVTrack *track)
479 int tag = track->enc->codec_tag;
481 if (track->enc->codec_id == CODEC_ID_DVVIDEO) {
482 if (track->enc->height == 480) { /* NTSC */
483 if (track->enc->pix_fmt == PIX_FMT_YUV422P)
484 tag = MKTAG('d', 'v', '5', 'n');
486 tag = MKTAG('d', 'v', 'c', ' ');
487 } else { /* assume PAL */
488 if (track->enc->pix_fmt == PIX_FMT_YUV422P)
489 tag = MKTAG('d', 'v', '5', 'p');
490 else if (track->enc->pix_fmt == PIX_FMT_YUV420P)
491 tag = MKTAG('d', 'v', 'c', 'p');
493 tag = MKTAG('d', 'v', 'p', 'p');
495 } else if (track->enc->codec_id == CODEC_ID_H263) {
496 if (track->mode == MODE_MOV)
497 tag = MKTAG('h', '2', '6', '3');
499 tag = MKTAG('s', '2', '6', '3');
501 tag = codec_get_tag(codec_movvideo_tags, track->enc->codec_id);
504 // if no mac fcc found, try with Microsoft tags
506 tag = codec_get_tag(codec_bmp_tags, track->enc->codec_id);
508 av_log(s, AV_LOG_INFO, "Warning, using MS style video codec tag, the file may be unplayable!\n");
515 static int mov_find_audio_codec_tag(AVFormatContext *s, MOVTrack *track)
517 int tag = track->enc->codec_tag;
519 tag = codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
521 // if no mac fcc found, try with Microsoft tags
523 int ms_tag = codec_get_tag(codec_wav_tags, track->enc->codec_id);
525 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
526 av_log(s, AV_LOG_INFO, "Warning, using MS style audio codec tag, the file may be unplayable!\n");
533 static int mov_write_video_tag(ByteIOContext *pb, MOVTrack* track)
535 offset_t pos = url_ftell(pb);
536 char compressor_name[32];
538 put_be32(pb, 0); /* size */
539 put_le32(pb, track->tag); // store it byteswapped
540 put_be32(pb, 0); /* Reserved */
541 put_be16(pb, 0); /* Reserved */
542 put_be16(pb, 1); /* Data-reference index */
544 put_be16(pb, 0); /* Codec stream version */
545 put_be16(pb, 0); /* Codec stream revision (=0) */
546 if (track->mode == MODE_MOV) {
547 put_tag(pb, "FFMP"); /* Vendor */
548 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
549 put_be32(pb, 0); /* Temporal Quality */
550 put_be32(pb, 0x400); /* Spatial Quality = lossless*/
552 put_be32(pb, 0x200); /* Temporal Quality = normal */
553 put_be32(pb, 0x200); /* Spatial Quality = normal */
556 put_be32(pb, 0); /* Reserved */
557 put_be32(pb, 0); /* Reserved */
558 put_be32(pb, 0); /* Reserved */
560 put_be16(pb, track->enc->width); /* Video width */
561 put_be16(pb, track->enc->height); /* Video height */
562 put_be32(pb, 0x00480000); /* Horizontal resolution 72dpi */
563 put_be32(pb, 0x00480000); /* Vertical resolution 72dpi */
564 put_be32(pb, 0); /* Data size (= 0) */
565 put_be16(pb, 1); /* Frame count (= 1) */
567 memset(compressor_name,0,32);
568 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
569 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
570 strncpy(compressor_name,track->enc->codec->name,31);
571 put_byte(pb, strlen(compressor_name));
572 put_buffer(pb, compressor_name, 31);
574 put_be16(pb, 0x18); /* Reserved */
575 put_be16(pb, 0xffff); /* Reserved */
576 if(track->enc->codec_id == CODEC_ID_MPEG4)
577 mov_write_esds_tag(pb, track);
578 else if(track->enc->codec_id == CODEC_ID_H263)
579 mov_write_d263_tag(pb);
580 else if(track->enc->codec_id == CODEC_ID_SVQ3)
581 mov_write_svq3_tag(pb);
582 else if(track->enc->codec_id == CODEC_ID_H264)
583 mov_write_avcc_tag(pb, track);
584 else if(track->enc->codec_id == CODEC_ID_DNXHD)
585 mov_write_avid_tag(pb, track);
586 else if(track->vosLen > 0)
587 mov_write_glbl_tag(pb, track);
589 return updateSize (pb, pos);
592 static int mov_write_stsd_tag(ByteIOContext *pb, MOVTrack* track)
594 offset_t pos = url_ftell(pb);
595 put_be32(pb, 0); /* size */
597 put_be32(pb, 0); /* version & flags */
598 put_be32(pb, 1); /* entry count */
599 if (track->enc->codec_type == CODEC_TYPE_VIDEO)
600 mov_write_video_tag(pb, track);
601 else if (track->enc->codec_type == CODEC_TYPE_AUDIO)
602 mov_write_audio_tag(pb, track);
603 return updateSize(pb, pos);
606 static int mov_write_ctts_tag(ByteIOContext *pb, MOVTrack* track)
608 MOV_stts_t *ctts_entries;
609 uint32_t entries = 0;
613 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
614 ctts_entries[0].count = 1;
615 ctts_entries[0].duration = track->cluster[0].cts;
616 for (i=1; i<track->entry; i++) {
617 if (track->cluster[i].cts == ctts_entries[entries].duration) {
618 ctts_entries[entries].count++; /* compress */
621 ctts_entries[entries].duration = track->cluster[i].cts;
622 ctts_entries[entries].count = 1;
625 entries++; /* last one */
626 atom_size = 16 + (entries * 8);
627 put_be32(pb, atom_size); /* size */
629 put_be32(pb, 0); /* version & flags */
630 put_be32(pb, entries); /* entry count */
631 for (i=0; i<entries; i++) {
632 put_be32(pb, ctts_entries[i].count);
633 put_be32(pb, ctts_entries[i].duration);
635 av_free(ctts_entries);
639 /* Time to sample atom */
640 static int mov_write_stts_tag(ByteIOContext *pb, MOVTrack* track)
642 MOV_stts_t *stts_entries;
643 uint32_t entries = -1;
647 if (track->enc->codec_type == CODEC_TYPE_AUDIO && !track->audio_vbr) {
648 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
649 stts_entries[0].count = track->sampleCount;
650 stts_entries[0].duration = 1;
653 stts_entries = av_malloc(track->entry * sizeof(*stts_entries)); /* worst case */
654 for (i=0; i<track->entry; i++) {
655 int64_t duration = i + 1 == track->entry ?
656 track->trackDuration - track->cluster[i].dts + track->cluster[0].dts : /* readjusting */
657 track->cluster[i+1].dts - track->cluster[i].dts;
658 if (i && duration == stts_entries[entries].duration) {
659 stts_entries[entries].count++; /* compress */
662 stts_entries[entries].duration = duration;
663 stts_entries[entries].count = 1;
666 entries++; /* last one */
668 atom_size = 16 + (entries * 8);
669 put_be32(pb, atom_size); /* size */
671 put_be32(pb, 0); /* version & flags */
672 put_be32(pb, entries); /* entry count */
673 for (i=0; i<entries; i++) {
674 put_be32(pb, stts_entries[i].count);
675 put_be32(pb, stts_entries[i].duration);
677 av_free(stts_entries);
681 static int mov_write_dref_tag(ByteIOContext *pb)
683 put_be32(pb, 28); /* size */
685 put_be32(pb, 0); /* version & flags */
686 put_be32(pb, 1); /* entry count */
688 put_be32(pb, 0xc); /* size */
690 put_be32(pb, 1); /* version & flags */
695 static int mov_write_stbl_tag(ByteIOContext *pb, MOVTrack* track)
697 offset_t pos = url_ftell(pb);
698 put_be32(pb, 0); /* size */
700 mov_write_stsd_tag(pb, track);
701 mov_write_stts_tag(pb, track);
702 if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
703 track->hasKeyframes < track->entry)
704 mov_write_stss_tag(pb, track);
705 if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
707 mov_write_ctts_tag(pb, track);
708 mov_write_stsc_tag(pb, track);
709 mov_write_stsz_tag(pb, track);
710 mov_write_stco_tag(pb, track);
711 return updateSize(pb, pos);
714 static int mov_write_dinf_tag(ByteIOContext *pb)
716 offset_t pos = url_ftell(pb);
717 put_be32(pb, 0); /* size */
719 mov_write_dref_tag(pb);
720 return updateSize(pb, pos);
723 static int mov_write_smhd_tag(ByteIOContext *pb)
725 put_be32(pb, 16); /* size */
727 put_be32(pb, 0); /* version & flags */
728 put_be16(pb, 0); /* reserved (balance, normally = 0) */
729 put_be16(pb, 0); /* reserved */
733 static int mov_write_vmhd_tag(ByteIOContext *pb)
735 put_be32(pb, 0x14); /* size (always 0x14) */
737 put_be32(pb, 0x01); /* version & flags */
738 put_be64(pb, 0); /* reserved (graphics mode = copy) */
742 static int mov_write_hdlr_tag(ByteIOContext *pb, MOVTrack* track)
744 const char *descr, *hdlr, *hdlr_type;
745 offset_t pos = url_ftell(pb);
747 if (!track) { /* no media --> data handler */
750 descr = "DataHandler";
752 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
753 if (track->enc->codec_type == CODEC_TYPE_VIDEO) {
755 descr = "VideoHandler";
758 descr = "SoundHandler";
762 put_be32(pb, 0); /* size */
764 put_be32(pb, 0); /* Version & flags */
765 put_buffer(pb, hdlr, 4); /* handler */
766 put_tag(pb, hdlr_type); /* handler type */
767 put_be32(pb ,0); /* reserved */
768 put_be32(pb ,0); /* reserved */
769 put_be32(pb ,0); /* reserved */
770 put_byte(pb, strlen(descr)); /* string counter */
771 put_buffer(pb, descr, strlen(descr)); /* handler description */
772 return updateSize(pb, pos);
775 static int mov_write_minf_tag(ByteIOContext *pb, MOVTrack* track)
777 offset_t pos = url_ftell(pb);
778 put_be32(pb, 0); /* size */
780 if(track->enc->codec_type == CODEC_TYPE_VIDEO)
781 mov_write_vmhd_tag(pb);
783 mov_write_smhd_tag(pb);
784 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
785 mov_write_hdlr_tag(pb, NULL);
786 mov_write_dinf_tag(pb);
787 mov_write_stbl_tag(pb, track);
788 return updateSize(pb, pos);
791 static int mov_write_mdhd_tag(ByteIOContext *pb, MOVTrack* track)
793 int version = track->trackDuration < INT32_MAX ? 0 : 1;
795 (version == 1) ? put_be32(pb, 44) : put_be32(pb, 32); /* size */
797 put_byte(pb, version);
798 put_be24(pb, 0); /* flags */
800 put_be64(pb, track->time);
801 put_be64(pb, track->time);
803 put_be32(pb, track->time); /* creation time */
804 put_be32(pb, track->time); /* modification time */
806 put_be32(pb, track->timescale); /* time scale (sample rate for audio) */
807 (version == 1) ? put_be64(pb, track->trackDuration) : put_be32(pb, track->trackDuration); /* duration */
808 put_be16(pb, track->language); /* language */
809 put_be16(pb, 0); /* reserved (quality) */
811 if(version!=0 && track->mode == MODE_MOV){
812 av_log(NULL, AV_LOG_ERROR,
813 "FATAL error, file duration too long for timebase, this file will not be\n"
814 "playable with quicktime. Choose a different timebase or a different\n"
815 "container format\n");
821 static int mov_write_mdia_tag(ByteIOContext *pb, MOVTrack* track)
823 offset_t pos = url_ftell(pb);
824 put_be32(pb, 0); /* size */
826 mov_write_mdhd_tag(pb, track);
827 mov_write_hdlr_tag(pb, track);
828 mov_write_minf_tag(pb, track);
829 return updateSize(pb, pos);
832 static int mov_write_tkhd_tag(ByteIOContext *pb, MOVTrack* track)
834 int64_t duration = av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP);
835 int version = duration < INT32_MAX ? 0 : 1;
837 (version == 1) ? put_be32(pb, 104) : put_be32(pb, 92); /* size */
839 put_byte(pb, version);
840 put_be24(pb, 0xf); /* flags (track enabled) */
842 put_be64(pb, track->time);
843 put_be64(pb, track->time);
845 put_be32(pb, track->time); /* creation time */
846 put_be32(pb, track->time); /* modification time */
848 put_be32(pb, track->trackID); /* track-id */
849 put_be32(pb, 0); /* reserved */
850 (version == 1) ? put_be64(pb, duration) : put_be32(pb, duration);
852 put_be32(pb, 0); /* reserved */
853 put_be32(pb, 0); /* reserved */
854 put_be32(pb, 0x0); /* reserved (Layer & Alternate group) */
855 /* Volume, only for audio */
856 if(track->enc->codec_type == CODEC_TYPE_AUDIO)
857 put_be16(pb, 0x0100);
860 put_be16(pb, 0); /* reserved */
862 /* Matrix structure */
863 put_be32(pb, 0x00010000); /* reserved */
864 put_be32(pb, 0x0); /* reserved */
865 put_be32(pb, 0x0); /* reserved */
866 put_be32(pb, 0x0); /* reserved */
867 put_be32(pb, 0x00010000); /* reserved */
868 put_be32(pb, 0x0); /* reserved */
869 put_be32(pb, 0x0); /* reserved */
870 put_be32(pb, 0x0); /* reserved */
871 put_be32(pb, 0x40000000); /* reserved */
873 /* Track width and height, for visual only */
874 if(track->enc->codec_type == CODEC_TYPE_VIDEO) {
875 double sample_aspect_ratio = av_q2d(track->enc->sample_aspect_ratio);
876 if( !sample_aspect_ratio ) sample_aspect_ratio = 1;
877 put_be32(pb, sample_aspect_ratio * track->enc->width*0x10000);
878 put_be32(pb, track->enc->height*0x10000);
887 // This box seems important for the psp playback ... without it the movie seems to hang
888 static int mov_write_edts_tag(ByteIOContext *pb, MOVTrack *track)
890 put_be32(pb, 0x24); /* size */
892 put_be32(pb, 0x1c); /* size */
897 put_be32(pb, av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP)); /* duration ... doesn't seem to effect psp */
899 put_be32(pb, track->cluster[0].cts); /* first pts is cts since dts is 0 */
900 put_be32(pb, 0x00010000);
904 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
905 static int mov_write_uuid_tag_psp(ByteIOContext *pb, MOVTrack *mov)
907 put_be32(pb, 0x34); /* size ... reports as 28 in mp4box! */
910 put_be32(pb, 0x21d24fce);
911 put_be32(pb, 0xbb88695c);
912 put_be32(pb, 0xfac9c740);
913 put_be32(pb, 0x1c); // another size here!
915 put_be32(pb, 0x00010012);
917 put_be32(pb, 0x55c40000);
923 static int mov_write_trak_tag(ByteIOContext *pb, MOVTrack* track)
925 offset_t pos = url_ftell(pb);
926 put_be32(pb, 0); /* size */
928 mov_write_tkhd_tag(pb, track);
929 if (track->mode == MODE_PSP || track->hasBframes)
930 mov_write_edts_tag(pb, track); // PSP Movies require edts box
931 mov_write_mdia_tag(pb, track);
932 if (track->mode == MODE_PSP)
933 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
934 return updateSize(pb, pos);
938 /* TODO: Not sorted out, but not necessary either */
939 static int mov_write_iods_tag(ByteIOContext *pb, MOVContext *mov)
941 put_be32(pb, 0x15); /* size */
943 put_be32(pb, 0); /* version & flags */
944 put_be16(pb, 0x1007);
946 put_be16(pb, 0x4fff);
947 put_be16(pb, 0xfffe);
948 put_be16(pb, 0x01ff);
953 static int mov_write_mvhd_tag(ByteIOContext *pb, MOVContext *mov)
955 int maxTrackID = 1, i;
956 int64_t maxTrackLenTemp, maxTrackLen = 0;
959 for (i=0; i<mov->nb_streams; i++) {
960 if(mov->tracks[i].entry > 0) {
961 maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration, globalTimescale, mov->tracks[i].timescale, AV_ROUND_UP);
962 if(maxTrackLen < maxTrackLenTemp)
963 maxTrackLen = maxTrackLenTemp;
964 if(maxTrackID < mov->tracks[i].trackID)
965 maxTrackID = mov->tracks[i].trackID;
969 version = maxTrackLen < UINT32_MAX ? 0 : 1;
970 (version == 1) ? put_be32(pb, 120) : put_be32(pb, 108); /* size */
972 put_byte(pb, version);
973 put_be24(pb, 0); /* flags */
975 put_be64(pb, mov->time);
976 put_be64(pb, mov->time);
978 put_be32(pb, mov->time); /* creation time */
979 put_be32(pb, mov->time); /* modification time */
981 put_be32(pb, mov->timescale); /* timescale */
982 (version == 1) ? put_be64(pb, maxTrackLen) : put_be32(pb, maxTrackLen); /* duration of longest track */
984 put_be32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
985 put_be16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
986 put_be16(pb, 0); /* reserved */
987 put_be32(pb, 0); /* reserved */
988 put_be32(pb, 0); /* reserved */
990 /* Matrix structure */
991 put_be32(pb, 0x00010000); /* reserved */
992 put_be32(pb, 0x0); /* reserved */
993 put_be32(pb, 0x0); /* reserved */
994 put_be32(pb, 0x0); /* reserved */
995 put_be32(pb, 0x00010000); /* reserved */
996 put_be32(pb, 0x0); /* reserved */
997 put_be32(pb, 0x0); /* reserved */
998 put_be32(pb, 0x0); /* reserved */
999 put_be32(pb, 0x40000000); /* reserved */
1001 put_be32(pb, 0); /* reserved (preview time) */
1002 put_be32(pb, 0); /* reserved (preview duration) */
1003 put_be32(pb, 0); /* reserved (poster time) */
1004 put_be32(pb, 0); /* reserved (selection time) */
1005 put_be32(pb, 0); /* reserved (selection duration) */
1006 put_be32(pb, 0); /* reserved (current time) */
1007 put_be32(pb, maxTrackID+1); /* Next track id */
1011 static int mov_write_itunes_hdlr_tag(ByteIOContext *pb, MOVContext* mov,
1014 offset_t pos = url_ftell(pb);
1015 put_be32(pb, 0); /* size */
1016 put_tag(pb, "hdlr");
1019 put_tag(pb, "mdir");
1020 put_tag(pb, "appl");
1024 return updateSize(pb, pos);
1027 /* helper function to write a data tag with the specified string as data */
1028 static int mov_write_string_data_tag(ByteIOContext *pb, const char *data, int long_style)
1031 offset_t pos = url_ftell(pb);
1032 put_be32(pb, 0); /* size */
1033 put_tag(pb, "data");
1036 put_buffer(pb, data, strlen(data));
1037 return updateSize(pb, pos);
1039 put_be16(pb, strlen(data)); /* string length */
1041 put_buffer(pb, data, strlen(data));
1042 return strlen(data) + 4;
1046 static int mov_write_string_tag(ByteIOContext *pb, const char *name, const char *value, int long_style){
1048 if ( value && value[0] ) {
1049 offset_t pos = url_ftell(pb);
1050 put_be32(pb, 0); /* size */
1052 mov_write_string_data_tag(pb, value, long_style);
1053 size= updateSize(pb, pos);
1059 static int mov_write_day_tag(ByteIOContext *pb, int year, int long_style)
1063 snprintf(year_str, sizeof(year_str), "%04d", year);
1064 return mov_write_string_tag(pb, "\251day", year_str, long_style);
1069 /* iTunes track number */
1070 static int mov_write_trkn_tag(ByteIOContext *pb, MOVContext* mov,
1075 offset_t pos = url_ftell(pb);
1076 put_be32(pb, 0); /* size */
1077 put_tag(pb, "trkn");
1079 offset_t pos = url_ftell(pb);
1080 put_be32(pb, 0); /* size */
1081 put_tag(pb, "data");
1082 put_be32(pb, 0); // 8 bytes empty
1084 put_be16(pb, 0); // empty
1085 put_be16(pb, s->track); // track number
1086 put_be16(pb, 0); // total track number
1087 put_be16(pb, 0); // empty
1088 updateSize(pb, pos);
1090 size = updateSize(pb, pos);
1095 /* iTunes meta data list */
1096 static int mov_write_ilst_tag(ByteIOContext *pb, MOVContext* mov,
1099 offset_t pos = url_ftell(pb);
1100 put_be32(pb, 0); /* size */
1101 put_tag(pb, "ilst");
1102 mov_write_string_tag(pb, "\251nam", s->title , 1);
1103 mov_write_string_tag(pb, "\251ART", s->author , 1);
1104 mov_write_string_tag(pb, "\251wrt", s->author , 1);
1105 mov_write_string_tag(pb, "\251alb", s->album , 1);
1106 mov_write_day_tag(pb, s->year ,1);
1107 if(mov->tracks[0].enc && !(mov->tracks[0].enc->flags & CODEC_FLAG_BITEXACT))
1108 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 1);
1109 mov_write_string_tag(pb, "\251cmt", s->comment , 1);
1110 mov_write_string_tag(pb, "\251gen", s->genre , 1);
1111 mov_write_trkn_tag(pb, mov, s);
1112 return updateSize(pb, pos);
1115 /* iTunes meta data tag */
1116 static int mov_write_meta_tag(ByteIOContext *pb, MOVContext* mov,
1121 // only save meta tag if required
1122 if ( s->title[0] || s->author[0] || s->album[0] || s->year ||
1123 s->comment[0] || s->genre[0] || s->track ) {
1124 offset_t pos = url_ftell(pb);
1125 put_be32(pb, 0); /* size */
1126 put_tag(pb, "meta");
1128 mov_write_itunes_hdlr_tag(pb, mov, s);
1129 mov_write_ilst_tag(pb, mov, s);
1130 size = updateSize(pb, pos);
1135 static int mov_write_udta_tag(ByteIOContext *pb, MOVContext* mov,
1141 for (i=0; i<mov->nb_streams; i++) {
1142 if(mov->tracks[i].entry <= 0) continue;
1143 if (mov->tracks[i].enc->codec_id == CODEC_ID_AAC ||
1144 mov->tracks[i].enc->codec_id == CODEC_ID_MPEG4) {
1150 if (s->title[0] || s->author[0] || s->album[0] || s->year ||
1151 s->comment[0] || s->genre[0] || s->track ||
1152 (mov->mode == MODE_MOV &&
1153 ((mov->tracks[0].enc && !mov->tracks[0].enc->flags & CODEC_FLAG_BITEXACT) || req))) {
1154 offset_t pos = url_ftell(pb);
1156 put_be32(pb, 0); /* size */
1157 put_tag(pb, "udta");
1159 /* iTunes meta data */
1160 mov_write_meta_tag(pb, mov, s);
1162 if(mov->mode == MODE_MOV){ // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
1165 mov_write_string_tag(pb, "\251req", "QuickTime 6.0 or greater", 0);
1167 mov_write_string_tag(pb, "\251nam", s->title , 0);
1168 mov_write_string_tag(pb, "\251aut", s->author , 0);
1169 mov_write_string_tag(pb, "\251alb", s->album , 0);
1170 mov_write_day_tag(pb, s->year, 0);
1171 if(mov->tracks[0].enc && !(mov->tracks[0].enc->flags & CODEC_FLAG_BITEXACT))
1172 mov_write_string_tag(pb, "\251enc", LIBAVFORMAT_IDENT, 0);
1173 mov_write_string_tag(pb, "\251des", s->comment , 0);
1174 mov_write_string_tag(pb, "\251gen", s->genre , 0);
1177 return updateSize(pb, pos);
1183 static int utf8len(uint8_t *b){
1187 GET_UTF8(val, *b++, return -1;)
1193 static int ascii_to_wc (ByteIOContext *pb, uint8_t *b)
1197 GET_UTF8(val, *b++, return -1;)
1204 static uint16_t language_code (const char *str)
1206 return ((((str[0]-0x60) & 0x1F)<<10) + (((str[1]-0x60) & 0x1F)<<5) + ((str[2]-0x60) & 0x1F));
1209 static int mov_write_uuidusmt_tag (ByteIOContext *pb, AVFormatContext *s)
1212 offset_t pos, curpos;
1216 pos = url_ftell(pb);
1217 put_be32(pb, 0); /* size placeholder*/
1218 put_tag(pb, "uuid");
1219 put_tag(pb, "USMT");
1220 put_be32(pb, 0x21d24fce ); /* 96 bit UUID */
1221 put_be32(pb, 0xbb88695c );
1222 put_be32(pb, 0xfac9c740 );
1225 put_be32(pb, 0); /* size placeholder*/
1226 put_tag(pb, "MTDT");
1231 put_be16(pb, 0x0C); /* size */
1232 put_be32(pb, 0x0B); /* type */
1233 put_be16(pb, language_code("und")); /* language */
1234 put_be16(pb, 0x0); /* ? */
1235 put_be16(pb, 0x021C); /* data */
1239 len = utf8len(LIBAVCODEC_IDENT)+1;
1242 put_be16(pb, len*2+10); /* size */
1243 put_be32(pb, 0x04); /* type */
1244 put_be16(pb, language_code("eng")); /* language */
1245 put_be16(pb, 0x01); /* ? */
1246 ascii_to_wc(pb, LIBAVCODEC_IDENT);
1250 len = utf8len(s->title)+1;
1253 put_be16(pb, len*2+10); /* size */
1254 put_be32(pb, 0x01); /* type */
1255 put_be16(pb, language_code("eng")); /* language */
1256 put_be16(pb, 0x01); /* ? */
1257 ascii_to_wc (pb, s->title);
1261 // 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);
1262 len = utf8len("2006/04/01 11:11:11")+1;
1265 put_be16(pb, len*2+10); /* size */
1266 put_be32(pb, 0x03); /* type */
1267 put_be16(pb, language_code("und")); /* language */
1268 put_be16(pb, 0x01); /* ? */
1269 ascii_to_wc (pb, "2006/04/01 11:11:11");
1273 curpos = url_ftell(pb);
1274 url_fseek(pb, pos, SEEK_SET);
1276 url_fseek(pb, pos+24, SEEK_SET);
1277 put_be32(pb, size-24);
1278 url_fseek(pb, curpos, SEEK_SET);
1283 av_log(s, AV_LOG_ERROR, "not utf8\n");
1287 static int mov_write_moov_tag(ByteIOContext *pb, MOVContext *mov,
1291 offset_t pos = url_ftell(pb);
1292 put_be32(pb, 0); /* size placeholder*/
1293 put_tag(pb, "moov");
1294 mov->timescale = globalTimescale;
1296 for (i=0; i<mov->nb_streams; i++) {
1297 if(mov->tracks[i].entry <= 0) continue;
1299 mov->tracks[i].time = mov->time;
1300 mov->tracks[i].trackID = i+1;
1303 mov_write_mvhd_tag(pb, mov);
1304 //mov_write_iods_tag(pb, mov);
1305 for (i=0; i<mov->nb_streams; i++) {
1306 if(mov->tracks[i].entry > 0) {
1307 mov_write_trak_tag(pb, &(mov->tracks[i]));
1311 if (mov->mode == MODE_PSP)
1312 mov_write_uuidusmt_tag(pb, s);
1313 else if (mov->mode != MODE_3GP && mov->mode != MODE_3G2)
1314 mov_write_udta_tag(pb, mov, s);
1316 return updateSize(pb, pos);
1319 static int mov_write_mdat_tag(ByteIOContext *pb, MOVContext* mov)
1321 put_be32(pb, 8); // placeholder for extended size field (64 bit)
1322 put_tag(pb, mov->mode == MODE_MOV ? "wide" : "free");
1324 mov->mdat_pos = url_ftell(pb);
1325 put_be32(pb, 0); /* size placeholder*/
1326 put_tag(pb, "mdat");
1330 /* TODO: This needs to be more general */
1331 static void mov_write_ftyp_tag (ByteIOContext *pb, AVFormatContext *s)
1333 MOVContext *mov = s->priv_data;
1335 put_be32(pb, 0x14 ); /* size */
1336 put_tag(pb, "ftyp");
1338 if ( mov->mode == MODE_3GP )
1339 put_tag(pb, "3gp4");
1340 else if ( mov->mode == MODE_3G2 )
1341 put_tag(pb, "3g2a");
1342 else if ( mov->mode == MODE_PSP )
1343 put_tag(pb, "MSNV");
1344 else if ( mov->mode == MODE_MP4 )
1345 put_tag(pb, "isom");
1349 put_be32(pb, 0x200 );
1351 if ( mov->mode == MODE_3GP )
1352 put_tag(pb, "3gp4");
1353 else if ( mov->mode == MODE_3G2 )
1354 put_tag(pb, "3g2a");
1355 else if ( mov->mode == MODE_PSP )
1356 put_tag(pb, "MSNV");
1357 else if ( mov->mode == MODE_MP4 )
1358 put_tag(pb, "mp41");
1363 static void mov_write_uuidprof_tag(ByteIOContext *pb, AVFormatContext *s)
1365 AVCodecContext *VideoCodec = s->streams[0]->codec;
1366 AVCodecContext *AudioCodec = s->streams[1]->codec;
1367 int AudioRate = AudioCodec->sample_rate;
1368 int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num);
1369 int audio_kbitrate= AudioCodec->bit_rate / 1000;
1370 int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate);
1372 put_be32(pb, 0x94 ); /* size */
1373 put_tag(pb, "uuid");
1374 put_tag(pb, "PROF");
1376 put_be32(pb, 0x21d24fce ); /* 96 bit UUID */
1377 put_be32(pb, 0xbb88695c );
1378 put_be32(pb, 0xfac9c740 );
1380 put_be32(pb, 0x0 ); /* ? */
1381 put_be32(pb, 0x3 ); /* 3 sections ? */
1383 put_be32(pb, 0x14 ); /* size */
1384 put_tag(pb, "FPRF");
1385 put_be32(pb, 0x0 ); /* ? */
1386 put_be32(pb, 0x0 ); /* ? */
1387 put_be32(pb, 0x0 ); /* ? */
1389 put_be32(pb, 0x2c ); /* size */
1390 put_tag(pb, "APRF"); /* audio */
1392 put_be32(pb, 0x2 ); /* TrackID */
1393 put_tag(pb, "mp4a");
1394 put_be32(pb, 0x20f );
1396 put_be32(pb, audio_kbitrate);
1397 put_be32(pb, audio_kbitrate);
1398 put_be32(pb, AudioRate );
1399 put_be32(pb, AudioCodec->channels );
1401 put_be32(pb, 0x34 ); /* size */
1402 put_tag(pb, "VPRF"); /* video */
1404 put_be32(pb, 0x1 ); /* TrackID */
1405 if (VideoCodec->codec_id == CODEC_ID_H264) {
1406 put_tag(pb, "avc1");
1407 put_be16(pb, 0x014D );
1408 put_be16(pb, 0x0015 );
1410 put_tag(pb, "mp4v");
1411 put_be16(pb, 0x0000 );
1412 put_be16(pb, 0x0103 );
1415 put_be32(pb, video_kbitrate);
1416 put_be32(pb, video_kbitrate);
1417 put_be32(pb, FrameRate);
1418 put_be32(pb, FrameRate);
1419 put_be16(pb, VideoCodec->width);
1420 put_be16(pb, VideoCodec->height);
1421 put_be32(pb, 0x010001); /* ? */
1424 static int mov_write_header(AVFormatContext *s)
1426 ByteIOContext *pb = s->pb;
1427 MOVContext *mov = s->priv_data;
1430 if (url_is_streamed(s->pb)) {
1431 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
1435 /* Default mode == MP4 */
1436 mov->mode = MODE_MP4;
1438 if (s->oformat != NULL) {
1439 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
1440 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3G2;
1441 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
1442 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
1444 mov_write_ftyp_tag(pb,s);
1445 if ( mov->mode == MODE_PSP ) {
1446 if ( s->nb_streams != 2 ) {
1447 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
1450 mov_write_uuidprof_tag(pb,s);
1454 for(i=0; i<s->nb_streams; i++){
1455 AVStream *st= s->streams[i];
1456 MOVTrack *track= &mov->tracks[i];
1458 track->enc = st->codec;
1459 track->language = ff_mov_iso639_to_lang(st->language, mov->mode != MODE_MOV);
1460 track->mode = mov->mode;
1461 if(st->codec->codec_type == CODEC_TYPE_VIDEO){
1462 track->tag = mov_find_video_codec_tag(s, track);
1463 track->timescale = st->codec->time_base.den;
1464 av_set_pts_info(st, 64, 1, st->codec->time_base.den);
1465 if (track->timescale > 100000)
1466 av_log(NULL, AV_LOG_WARNING,
1467 "WARNING codec timebase is very high. If duration is too long,\n"
1468 "file may not be playable by quicktime. Specify a shorter timebase\n"
1469 "or choose different container.\n");
1470 }else if(st->codec->codec_type == CODEC_TYPE_AUDIO){
1471 track->tag = mov_find_audio_codec_tag(s, track);
1472 track->timescale = st->codec->sample_rate;
1473 av_set_pts_info(st, 64, 1, st->codec->sample_rate);
1474 if(!st->codec->frame_size){
1475 av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
1477 }else if(st->codec->frame_size > 1){ /* assume compressed audio */
1478 track->audio_vbr = 1;
1480 track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
1485 mov_write_mdat_tag(pb, mov);
1486 mov->time = s->timestamp + 0x7C25B080; //1970 based -> 1904 based
1487 mov->nb_streams = s->nb_streams;
1489 put_flush_packet(pb);
1494 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
1496 MOVContext *mov = s->priv_data;
1497 ByteIOContext *pb = s->pb;
1498 MOVTrack *trk = &mov->tracks[pkt->stream_index];
1499 AVCodecContext *enc = trk->enc;
1500 unsigned int samplesInChunk = 0;
1501 int size= pkt->size;
1503 if (url_is_streamed(s->pb)) return 0; /* Can't handle that */
1504 if (!size) return 0; /* Discard 0 sized packets */
1506 if (enc->codec_id == CODEC_ID_AMR_NB) {
1507 /* We must find out how many AMR blocks there are in one packet */
1508 static uint16_t packed_size[16] =
1509 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 0};
1512 while (len < size && samplesInChunk < 100) {
1513 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
1516 if(samplesInChunk > 1){
1517 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
1520 } else if (trk->sampleSize)
1521 samplesInChunk = size/trk->sampleSize;
1525 /* copy extradata if it exists */
1526 if (trk->vosLen == 0 && enc->extradata_size > 0) {
1527 trk->vosLen = enc->extradata_size;
1528 trk->vosData = av_malloc(trk->vosLen);
1529 memcpy(trk->vosData, enc->extradata, trk->vosLen);
1532 if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) {
1533 /* from x264 or from bytestream h264 */
1534 /* nal reformating needed */
1535 int ret = ff_avc_parse_nal_units(pkt->data, &pkt->data, &pkt->size);
1540 } else if (enc->codec_id == CODEC_ID_DNXHD && !trk->vosLen) {
1541 /* copy frame header to create needed atoms */
1545 trk->vosData = av_malloc(trk->vosLen);
1546 memcpy(trk->vosData, pkt->data, 640);
1549 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
1550 trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster));
1555 trk->cluster[trk->entry].pos = url_ftell(pb);
1556 trk->cluster[trk->entry].samplesInChunk = samplesInChunk;
1557 trk->cluster[trk->entry].size = size;
1558 trk->cluster[trk->entry].entries = samplesInChunk;
1559 trk->cluster[trk->entry].dts = pkt->dts;
1560 trk->trackDuration = pkt->dts - trk->cluster[0].dts + pkt->duration;
1562 if(enc->codec_type == CODEC_TYPE_VIDEO) {
1563 if (pkt->dts != pkt->pts)
1564 trk->hasBframes = 1;
1565 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
1566 trk->cluster[trk->entry].key_frame = !!(pkt->flags & PKT_FLAG_KEY);
1567 if(trk->cluster[trk->entry].key_frame)
1568 trk->hasKeyframes++;
1571 trk->sampleCount += samplesInChunk;
1572 mov->mdat_size += size;
1574 put_buffer(pb, pkt->data, size);
1576 put_flush_packet(pb);
1580 static int mov_write_trailer(AVFormatContext *s)
1582 MOVContext *mov = s->priv_data;
1583 ByteIOContext *pb = s->pb;
1587 offset_t moov_pos = url_ftell(pb);
1589 /* Write size of mdat tag */
1590 if (mov->mdat_size+8 <= UINT32_MAX) {
1591 url_fseek(pb, mov->mdat_pos, SEEK_SET);
1592 put_be32(pb, mov->mdat_size+8);
1594 /* overwrite 'wide' placeholder atom */
1595 url_fseek(pb, mov->mdat_pos - 8, SEEK_SET);
1596 put_be32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */
1597 put_tag(pb, "mdat");
1598 put_be64(pb, mov->mdat_size+16);
1600 url_fseek(pb, moov_pos, SEEK_SET);
1602 mov_write_moov_tag(pb, mov, s);
1604 for (i=0; i<mov->nb_streams; i++) {
1605 av_freep(&mov->tracks[i].cluster);
1607 if( mov->tracks[i].vosLen ) av_free( mov->tracks[i].vosData );
1611 put_flush_packet(pb);
1616 #ifdef CONFIG_MOV_MUXER
1617 AVOutputFormat mov_muxer = {
1628 .flags = AVFMT_GLOBALHEADER,
1631 #ifdef CONFIG_TGP_MUXER
1632 AVOutputFormat tgp_muxer = {
1643 .flags = AVFMT_GLOBALHEADER,
1646 #ifdef CONFIG_MP4_MUXER
1647 AVOutputFormat mp4_muxer = {
1658 .flags = AVFMT_GLOBALHEADER,
1661 #ifdef CONFIG_PSP_MUXER
1662 AVOutputFormat psp_muxer = {
1673 .flags = AVFMT_GLOBALHEADER,
1676 #ifdef CONFIG_TG2_MUXER
1677 AVOutputFormat tg2_muxer = {
1688 .flags = AVFMT_GLOBALHEADER,