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->tag == MKTAG('m','p','4','a'))
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 const AVCodecTag codec_3gp_tags[] = {
478 { CODEC_ID_H263, MKTAG('s','2','6','3') },
479 { CODEC_ID_H264, MKTAG('a','v','c','1') },
480 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
481 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
482 { CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
483 { CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
486 static const AVCodecTag mov_pix_fmt_tags[] = {
487 { PIX_FMT_YUYV422, MKTAG('y','u','v','s') },
488 { PIX_FMT_UYVY422, MKTAG('2','v','u','y') },
489 { PIX_FMT_BGR555, MKTAG('r','a','w',' ') },
490 { PIX_FMT_RGB24, MKTAG('r','a','w',' ') },
491 { PIX_FMT_BGR32_1, MKTAG('r','a','w',' ') },
494 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
496 int tag = track->enc->codec_tag;
497 if (track->mode == MODE_MP4 || track->mode == MODE_PSP) {
498 if (!codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
500 if (track->enc->codec_id == CODEC_ID_H264) tag = MKTAG('a','v','c','1');
501 else if (track->enc->codec_type == CODEC_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
502 else if (track->enc->codec_type == CODEC_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
503 } else if (track->mode == MODE_3GP || track->mode == MODE_3G2) {
504 tag = codec_get_tag(codec_3gp_tags, track->enc->codec_id);
505 } else if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
506 (tag == MKTAG('d','v','c','p') ||
507 track->enc->codec_id == CODEC_ID_RAWVIDEO))) {
508 if (track->enc->codec_id == CODEC_ID_DVVIDEO) {
509 if (track->enc->height == 480) /* NTSC */
510 if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
511 else tag = MKTAG('d','v','c',' ');
512 else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
513 else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
514 else tag = MKTAG('d','v','p','p');
515 } else if (track->enc->codec_id == CODEC_ID_RAWVIDEO) {
516 tag = codec_get_tag(mov_pix_fmt_tags, track->enc->pix_fmt);
517 if (!tag) // restore tag
518 tag = track->enc->codec_tag;
520 if (track->enc->codec_type == CODEC_TYPE_VIDEO) {
521 tag = codec_get_tag(codec_movvideo_tags, track->enc->codec_id);
522 if (!tag) { // if no mac fcc found, try with Microsoft tags
523 tag = codec_get_tag(codec_bmp_tags, track->enc->codec_id);
525 av_log(s, AV_LOG_INFO, "Warning, using MS style video codec tag, "
526 "the file may be unplayable!\n");
528 } else if (track->enc->codec_type == CODEC_TYPE_AUDIO) {
529 tag = codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
530 if (!tag) { // if no mac fcc found, try with Microsoft tags
531 int ms_tag = codec_get_tag(codec_wav_tags, track->enc->codec_id);
533 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
534 av_log(s, AV_LOG_INFO, "Warning, using MS style audio codec tag, "
535 "the file may be unplayable!\n");
544 static int mov_write_video_tag(ByteIOContext *pb, MOVTrack* track)
546 offset_t pos = url_ftell(pb);
547 char compressor_name[32];
549 put_be32(pb, 0); /* size */
550 put_le32(pb, track->tag); // store it byteswapped
551 put_be32(pb, 0); /* Reserved */
552 put_be16(pb, 0); /* Reserved */
553 put_be16(pb, 1); /* Data-reference index */
555 put_be16(pb, 0); /* Codec stream version */
556 put_be16(pb, 0); /* Codec stream revision (=0) */
557 if (track->mode == MODE_MOV) {
558 put_tag(pb, "FFMP"); /* Vendor */
559 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
560 put_be32(pb, 0); /* Temporal Quality */
561 put_be32(pb, 0x400); /* Spatial Quality = lossless*/
563 put_be32(pb, 0x200); /* Temporal Quality = normal */
564 put_be32(pb, 0x200); /* Spatial Quality = normal */
567 put_be32(pb, 0); /* Reserved */
568 put_be32(pb, 0); /* Reserved */
569 put_be32(pb, 0); /* Reserved */
571 put_be16(pb, track->enc->width); /* Video width */
572 put_be16(pb, track->enc->height); /* Video height */
573 put_be32(pb, 0x00480000); /* Horizontal resolution 72dpi */
574 put_be32(pb, 0x00480000); /* Vertical resolution 72dpi */
575 put_be32(pb, 0); /* Data size (= 0) */
576 put_be16(pb, 1); /* Frame count (= 1) */
578 memset(compressor_name,0,32);
579 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
580 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
581 strncpy(compressor_name,track->enc->codec->name,31);
582 put_byte(pb, strlen(compressor_name));
583 put_buffer(pb, compressor_name, 31);
585 if (track->mode == MODE_MOV && track->enc->bits_per_sample)
586 put_be16(pb, track->enc->bits_per_sample);
588 put_be16(pb, 0x18); /* Reserved */
589 put_be16(pb, 0xffff); /* Reserved */
590 if(track->tag == MKTAG('m','p','4','v'))
591 mov_write_esds_tag(pb, track);
592 else if(track->enc->codec_id == CODEC_ID_H263)
593 mov_write_d263_tag(pb);
594 else if(track->enc->codec_id == CODEC_ID_SVQ3)
595 mov_write_svq3_tag(pb);
596 else if(track->enc->codec_id == CODEC_ID_H264)
597 mov_write_avcc_tag(pb, track);
598 else if(track->enc->codec_id == CODEC_ID_DNXHD)
599 mov_write_avid_tag(pb, track);
600 else if(track->vosLen > 0)
601 mov_write_glbl_tag(pb, track);
603 return updateSize (pb, pos);
606 static int mov_write_stsd_tag(ByteIOContext *pb, MOVTrack* track)
608 offset_t pos = url_ftell(pb);
609 put_be32(pb, 0); /* size */
611 put_be32(pb, 0); /* version & flags */
612 put_be32(pb, 1); /* entry count */
613 if (track->enc->codec_type == CODEC_TYPE_VIDEO)
614 mov_write_video_tag(pb, track);
615 else if (track->enc->codec_type == CODEC_TYPE_AUDIO)
616 mov_write_audio_tag(pb, track);
617 return updateSize(pb, pos);
620 static int mov_write_ctts_tag(ByteIOContext *pb, MOVTrack* track)
622 MOV_stts_t *ctts_entries;
623 uint32_t entries = 0;
627 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
628 ctts_entries[0].count = 1;
629 ctts_entries[0].duration = track->cluster[0].cts;
630 for (i=1; i<track->entry; i++) {
631 if (track->cluster[i].cts == ctts_entries[entries].duration) {
632 ctts_entries[entries].count++; /* compress */
635 ctts_entries[entries].duration = track->cluster[i].cts;
636 ctts_entries[entries].count = 1;
639 entries++; /* last one */
640 atom_size = 16 + (entries * 8);
641 put_be32(pb, atom_size); /* size */
643 put_be32(pb, 0); /* version & flags */
644 put_be32(pb, entries); /* entry count */
645 for (i=0; i<entries; i++) {
646 put_be32(pb, ctts_entries[i].count);
647 put_be32(pb, ctts_entries[i].duration);
649 av_free(ctts_entries);
653 /* Time to sample atom */
654 static int mov_write_stts_tag(ByteIOContext *pb, MOVTrack* track)
656 MOV_stts_t *stts_entries;
657 uint32_t entries = -1;
661 if (track->enc->codec_type == CODEC_TYPE_AUDIO && !track->audio_vbr) {
662 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
663 stts_entries[0].count = track->sampleCount;
664 stts_entries[0].duration = 1;
667 stts_entries = av_malloc(track->entry * sizeof(*stts_entries)); /* worst case */
668 for (i=0; i<track->entry; i++) {
669 int64_t duration = i + 1 == track->entry ?
670 track->trackDuration - track->cluster[i].dts + track->cluster[0].dts : /* readjusting */
671 track->cluster[i+1].dts - track->cluster[i].dts;
672 if (i && duration == stts_entries[entries].duration) {
673 stts_entries[entries].count++; /* compress */
676 stts_entries[entries].duration = duration;
677 stts_entries[entries].count = 1;
680 entries++; /* last one */
682 atom_size = 16 + (entries * 8);
683 put_be32(pb, atom_size); /* size */
685 put_be32(pb, 0); /* version & flags */
686 put_be32(pb, entries); /* entry count */
687 for (i=0; i<entries; i++) {
688 put_be32(pb, stts_entries[i].count);
689 put_be32(pb, stts_entries[i].duration);
691 av_free(stts_entries);
695 static int mov_write_dref_tag(ByteIOContext *pb)
697 put_be32(pb, 28); /* size */
699 put_be32(pb, 0); /* version & flags */
700 put_be32(pb, 1); /* entry count */
702 put_be32(pb, 0xc); /* size */
704 put_be32(pb, 1); /* version & flags */
709 static int mov_write_stbl_tag(ByteIOContext *pb, MOVTrack* track)
711 offset_t pos = url_ftell(pb);
712 put_be32(pb, 0); /* size */
714 mov_write_stsd_tag(pb, track);
715 mov_write_stts_tag(pb, track);
716 if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
717 track->hasKeyframes < track->entry)
718 mov_write_stss_tag(pb, track);
719 if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
721 mov_write_ctts_tag(pb, track);
722 mov_write_stsc_tag(pb, track);
723 mov_write_stsz_tag(pb, track);
724 mov_write_stco_tag(pb, track);
725 return updateSize(pb, pos);
728 static int mov_write_dinf_tag(ByteIOContext *pb)
730 offset_t pos = url_ftell(pb);
731 put_be32(pb, 0); /* size */
733 mov_write_dref_tag(pb);
734 return updateSize(pb, pos);
737 static int mov_write_smhd_tag(ByteIOContext *pb)
739 put_be32(pb, 16); /* size */
741 put_be32(pb, 0); /* version & flags */
742 put_be16(pb, 0); /* reserved (balance, normally = 0) */
743 put_be16(pb, 0); /* reserved */
747 static int mov_write_vmhd_tag(ByteIOContext *pb)
749 put_be32(pb, 0x14); /* size (always 0x14) */
751 put_be32(pb, 0x01); /* version & flags */
752 put_be64(pb, 0); /* reserved (graphics mode = copy) */
756 static int mov_write_hdlr_tag(ByteIOContext *pb, MOVTrack* track)
758 const char *descr, *hdlr, *hdlr_type;
759 offset_t pos = url_ftell(pb);
761 if (!track) { /* no media --> data handler */
764 descr = "DataHandler";
766 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
767 if (track->enc->codec_type == CODEC_TYPE_VIDEO) {
769 descr = "VideoHandler";
772 descr = "SoundHandler";
776 put_be32(pb, 0); /* size */
778 put_be32(pb, 0); /* Version & flags */
779 put_buffer(pb, hdlr, 4); /* handler */
780 put_tag(pb, hdlr_type); /* handler type */
781 put_be32(pb ,0); /* reserved */
782 put_be32(pb ,0); /* reserved */
783 put_be32(pb ,0); /* reserved */
784 put_byte(pb, strlen(descr)); /* string counter */
785 put_buffer(pb, descr, strlen(descr)); /* handler description */
786 return updateSize(pb, pos);
789 static int mov_write_minf_tag(ByteIOContext *pb, MOVTrack* track)
791 offset_t pos = url_ftell(pb);
792 put_be32(pb, 0); /* size */
794 if(track->enc->codec_type == CODEC_TYPE_VIDEO)
795 mov_write_vmhd_tag(pb);
797 mov_write_smhd_tag(pb);
798 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
799 mov_write_hdlr_tag(pb, NULL);
800 mov_write_dinf_tag(pb);
801 mov_write_stbl_tag(pb, track);
802 return updateSize(pb, pos);
805 static int mov_write_mdhd_tag(ByteIOContext *pb, MOVTrack* track)
807 int version = track->trackDuration < INT32_MAX ? 0 : 1;
809 (version == 1) ? put_be32(pb, 44) : put_be32(pb, 32); /* size */
811 put_byte(pb, version);
812 put_be24(pb, 0); /* flags */
814 put_be64(pb, track->time);
815 put_be64(pb, track->time);
817 put_be32(pb, track->time); /* creation time */
818 put_be32(pb, track->time); /* modification time */
820 put_be32(pb, track->timescale); /* time scale (sample rate for audio) */
821 (version == 1) ? put_be64(pb, track->trackDuration) : put_be32(pb, track->trackDuration); /* duration */
822 put_be16(pb, track->language); /* language */
823 put_be16(pb, 0); /* reserved (quality) */
825 if(version!=0 && track->mode == MODE_MOV){
826 av_log(NULL, AV_LOG_ERROR,
827 "FATAL error, file duration too long for timebase, this file will not be\n"
828 "playable with quicktime. Choose a different timebase or a different\n"
829 "container format\n");
835 static int mov_write_mdia_tag(ByteIOContext *pb, MOVTrack* track)
837 offset_t pos = url_ftell(pb);
838 put_be32(pb, 0); /* size */
840 mov_write_mdhd_tag(pb, track);
841 mov_write_hdlr_tag(pb, track);
842 mov_write_minf_tag(pb, track);
843 return updateSize(pb, pos);
846 static int mov_write_tkhd_tag(ByteIOContext *pb, MOVTrack* track)
848 int64_t duration = av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP);
849 int version = duration < INT32_MAX ? 0 : 1;
851 (version == 1) ? put_be32(pb, 104) : put_be32(pb, 92); /* size */
853 put_byte(pb, version);
854 put_be24(pb, 0xf); /* flags (track enabled) */
856 put_be64(pb, track->time);
857 put_be64(pb, track->time);
859 put_be32(pb, track->time); /* creation time */
860 put_be32(pb, track->time); /* modification time */
862 put_be32(pb, track->trackID); /* track-id */
863 put_be32(pb, 0); /* reserved */
864 (version == 1) ? put_be64(pb, duration) : put_be32(pb, duration);
866 put_be32(pb, 0); /* reserved */
867 put_be32(pb, 0); /* reserved */
868 put_be32(pb, 0x0); /* reserved (Layer & Alternate group) */
869 /* Volume, only for audio */
870 if(track->enc->codec_type == CODEC_TYPE_AUDIO)
871 put_be16(pb, 0x0100);
874 put_be16(pb, 0); /* reserved */
876 /* Matrix structure */
877 put_be32(pb, 0x00010000); /* reserved */
878 put_be32(pb, 0x0); /* reserved */
879 put_be32(pb, 0x0); /* reserved */
880 put_be32(pb, 0x0); /* reserved */
881 put_be32(pb, 0x00010000); /* reserved */
882 put_be32(pb, 0x0); /* reserved */
883 put_be32(pb, 0x0); /* reserved */
884 put_be32(pb, 0x0); /* reserved */
885 put_be32(pb, 0x40000000); /* reserved */
887 /* Track width and height, for visual only */
888 if(track->enc->codec_type == CODEC_TYPE_VIDEO) {
889 double sample_aspect_ratio = av_q2d(track->enc->sample_aspect_ratio);
890 if(!sample_aspect_ratio) sample_aspect_ratio = 1;
891 put_be32(pb, sample_aspect_ratio * track->enc->width*0x10000);
892 put_be32(pb, track->enc->height*0x10000);
901 // This box seems important for the psp playback ... without it the movie seems to hang
902 static int mov_write_edts_tag(ByteIOContext *pb, MOVTrack *track)
904 put_be32(pb, 0x24); /* size */
906 put_be32(pb, 0x1c); /* size */
911 put_be32(pb, av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP)); /* duration ... doesn't seem to effect psp */
913 put_be32(pb, track->cluster[0].cts); /* first pts is cts since dts is 0 */
914 put_be32(pb, 0x00010000);
918 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
919 static int mov_write_uuid_tag_psp(ByteIOContext *pb, MOVTrack *mov)
921 put_be32(pb, 0x34); /* size ... reports as 28 in mp4box! */
924 put_be32(pb, 0x21d24fce);
925 put_be32(pb, 0xbb88695c);
926 put_be32(pb, 0xfac9c740);
927 put_be32(pb, 0x1c); // another size here!
929 put_be32(pb, 0x00010012);
931 put_be32(pb, 0x55c40000);
937 static int mov_write_trak_tag(ByteIOContext *pb, MOVTrack* track)
939 offset_t pos = url_ftell(pb);
940 put_be32(pb, 0); /* size */
942 mov_write_tkhd_tag(pb, track);
943 if (track->mode == MODE_PSP || track->hasBframes)
944 mov_write_edts_tag(pb, track); // PSP Movies require edts box
945 mov_write_mdia_tag(pb, track);
946 if (track->mode == MODE_PSP)
947 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
948 return updateSize(pb, pos);
952 /* TODO: Not sorted out, but not necessary either */
953 static int mov_write_iods_tag(ByteIOContext *pb, MOVContext *mov)
955 put_be32(pb, 0x15); /* size */
957 put_be32(pb, 0); /* version & flags */
958 put_be16(pb, 0x1007);
960 put_be16(pb, 0x4fff);
961 put_be16(pb, 0xfffe);
962 put_be16(pb, 0x01ff);
967 static int mov_write_mvhd_tag(ByteIOContext *pb, MOVContext *mov)
969 int maxTrackID = 1, i;
970 int64_t maxTrackLenTemp, maxTrackLen = 0;
973 for (i=0; i<mov->nb_streams; i++) {
974 if(mov->tracks[i].entry > 0) {
975 maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration, globalTimescale, mov->tracks[i].timescale, AV_ROUND_UP);
976 if(maxTrackLen < maxTrackLenTemp)
977 maxTrackLen = maxTrackLenTemp;
978 if(maxTrackID < mov->tracks[i].trackID)
979 maxTrackID = mov->tracks[i].trackID;
983 version = maxTrackLen < UINT32_MAX ? 0 : 1;
984 (version == 1) ? put_be32(pb, 120) : put_be32(pb, 108); /* size */
986 put_byte(pb, version);
987 put_be24(pb, 0); /* flags */
989 put_be64(pb, mov->time);
990 put_be64(pb, mov->time);
992 put_be32(pb, mov->time); /* creation time */
993 put_be32(pb, mov->time); /* modification time */
995 put_be32(pb, mov->timescale); /* timescale */
996 (version == 1) ? put_be64(pb, maxTrackLen) : put_be32(pb, maxTrackLen); /* duration of longest track */
998 put_be32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
999 put_be16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1000 put_be16(pb, 0); /* reserved */
1001 put_be32(pb, 0); /* reserved */
1002 put_be32(pb, 0); /* reserved */
1004 /* Matrix structure */
1005 put_be32(pb, 0x00010000); /* reserved */
1006 put_be32(pb, 0x0); /* reserved */
1007 put_be32(pb, 0x0); /* reserved */
1008 put_be32(pb, 0x0); /* reserved */
1009 put_be32(pb, 0x00010000); /* reserved */
1010 put_be32(pb, 0x0); /* reserved */
1011 put_be32(pb, 0x0); /* reserved */
1012 put_be32(pb, 0x0); /* reserved */
1013 put_be32(pb, 0x40000000); /* reserved */
1015 put_be32(pb, 0); /* reserved (preview time) */
1016 put_be32(pb, 0); /* reserved (preview duration) */
1017 put_be32(pb, 0); /* reserved (poster time) */
1018 put_be32(pb, 0); /* reserved (selection time) */
1019 put_be32(pb, 0); /* reserved (selection duration) */
1020 put_be32(pb, 0); /* reserved (current time) */
1021 put_be32(pb, maxTrackID+1); /* Next track id */
1025 static int mov_write_itunes_hdlr_tag(ByteIOContext *pb, MOVContext* mov,
1028 offset_t pos = url_ftell(pb);
1029 put_be32(pb, 0); /* size */
1030 put_tag(pb, "hdlr");
1033 put_tag(pb, "mdir");
1034 put_tag(pb, "appl");
1038 return updateSize(pb, pos);
1041 /* helper function to write a data tag with the specified string as data */
1042 static int mov_write_string_data_tag(ByteIOContext *pb, const char *data, int long_style)
1045 offset_t pos = url_ftell(pb);
1046 put_be32(pb, 0); /* size */
1047 put_tag(pb, "data");
1050 put_buffer(pb, data, strlen(data));
1051 return updateSize(pb, pos);
1053 put_be16(pb, strlen(data)); /* string length */
1055 put_buffer(pb, data, strlen(data));
1056 return strlen(data) + 4;
1060 static int mov_write_string_tag(ByteIOContext *pb, const char *name, const char *value, int long_style){
1062 if (value && value[0]) {
1063 offset_t pos = url_ftell(pb);
1064 put_be32(pb, 0); /* size */
1066 mov_write_string_data_tag(pb, value, long_style);
1067 size= updateSize(pb, pos);
1073 static int mov_write_day_tag(ByteIOContext *pb, int year, int long_style)
1077 snprintf(year_str, sizeof(year_str), "%04d", year);
1078 return mov_write_string_tag(pb, "\251day", year_str, long_style);
1083 /* iTunes track number */
1084 static int mov_write_trkn_tag(ByteIOContext *pb, MOVContext* mov,
1089 offset_t pos = url_ftell(pb);
1090 put_be32(pb, 0); /* size */
1091 put_tag(pb, "trkn");
1093 offset_t pos = url_ftell(pb);
1094 put_be32(pb, 0); /* size */
1095 put_tag(pb, "data");
1096 put_be32(pb, 0); // 8 bytes empty
1098 put_be16(pb, 0); // empty
1099 put_be16(pb, s->track); // track number
1100 put_be16(pb, 0); // total track number
1101 put_be16(pb, 0); // empty
1102 updateSize(pb, pos);
1104 size = updateSize(pb, pos);
1109 /* iTunes meta data list */
1110 static int mov_write_ilst_tag(ByteIOContext *pb, MOVContext* mov,
1113 offset_t pos = url_ftell(pb);
1114 put_be32(pb, 0); /* size */
1115 put_tag(pb, "ilst");
1116 mov_write_string_tag(pb, "\251nam", s->title , 1);
1117 mov_write_string_tag(pb, "\251ART", s->author , 1);
1118 mov_write_string_tag(pb, "\251wrt", s->author , 1);
1119 mov_write_string_tag(pb, "\251alb", s->album , 1);
1120 mov_write_day_tag(pb, s->year ,1);
1121 if(mov->tracks[0].enc && !(mov->tracks[0].enc->flags & CODEC_FLAG_BITEXACT))
1122 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 1);
1123 mov_write_string_tag(pb, "\251cmt", s->comment , 1);
1124 mov_write_string_tag(pb, "\251gen", s->genre , 1);
1125 mov_write_trkn_tag(pb, mov, s);
1126 return updateSize(pb, pos);
1129 /* iTunes meta data tag */
1130 static int mov_write_meta_tag(ByteIOContext *pb, MOVContext* mov,
1135 // only save meta tag if required
1136 if (s->title[0] || s->author[0] || s->album[0] || s->year ||
1137 s->comment[0] || s->genre[0] || s->track) {
1138 offset_t pos = url_ftell(pb);
1139 put_be32(pb, 0); /* size */
1140 put_tag(pb, "meta");
1142 mov_write_itunes_hdlr_tag(pb, mov, s);
1143 mov_write_ilst_tag(pb, mov, s);
1144 size = updateSize(pb, pos);
1149 static int mov_write_udta_tag(ByteIOContext *pb, MOVContext* mov,
1155 for (i=0; i<mov->nb_streams; i++) {
1156 if(mov->tracks[i].entry <= 0) continue;
1157 if (mov->tracks[i].enc->codec_id == CODEC_ID_AAC ||
1158 mov->tracks[i].enc->codec_id == CODEC_ID_MPEG4) {
1164 if (s->title[0] || s->author[0] || s->album[0] || s->year ||
1165 s->comment[0] || s->genre[0] || s->track ||
1166 (mov->mode == MODE_MOV &&
1167 ((mov->tracks[0].enc && !mov->tracks[0].enc->flags & CODEC_FLAG_BITEXACT) || req))) {
1168 offset_t pos = url_ftell(pb);
1170 put_be32(pb, 0); /* size */
1171 put_tag(pb, "udta");
1173 /* iTunes meta data */
1174 mov_write_meta_tag(pb, mov, s);
1176 if(mov->mode == MODE_MOV){ // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
1179 mov_write_string_tag(pb, "\251req", "QuickTime 6.0 or greater", 0);
1181 mov_write_string_tag(pb, "\251nam", s->title , 0);
1182 mov_write_string_tag(pb, "\251aut", s->author , 0);
1183 mov_write_string_tag(pb, "\251alb", s->album , 0);
1184 mov_write_day_tag(pb, s->year, 0);
1185 if(mov->tracks[0].enc && !(mov->tracks[0].enc->flags & CODEC_FLAG_BITEXACT))
1186 mov_write_string_tag(pb, "\251enc", LIBAVFORMAT_IDENT, 0);
1187 mov_write_string_tag(pb, "\251des", s->comment , 0);
1188 mov_write_string_tag(pb, "\251gen", s->genre , 0);
1191 return updateSize(pb, pos);
1197 static int utf8len(const uint8_t *b){
1201 GET_UTF8(val, *b++, return -1;)
1207 static int ascii_to_wc (ByteIOContext *pb, const uint8_t *b)
1211 GET_UTF8(val, *b++, return -1;)
1218 static uint16_t language_code (const char *str)
1220 return ((((str[0]-0x60) & 0x1F)<<10) + (((str[1]-0x60) & 0x1F)<<5) + ((str[2]-0x60) & 0x1F));
1223 static int mov_write_uuidusmt_tag (ByteIOContext *pb, AVFormatContext *s)
1226 offset_t pos, curpos;
1230 pos = url_ftell(pb);
1231 put_be32(pb, 0); /* size placeholder*/
1232 put_tag(pb, "uuid");
1233 put_tag(pb, "USMT");
1234 put_be32(pb, 0x21d24fce); /* 96 bit UUID */
1235 put_be32(pb, 0xbb88695c);
1236 put_be32(pb, 0xfac9c740);
1239 put_be32(pb, 0); /* size placeholder*/
1240 put_tag(pb, "MTDT");
1245 put_be16(pb, 0x0C); /* size */
1246 put_be32(pb, 0x0B); /* type */
1247 put_be16(pb, language_code("und")); /* language */
1248 put_be16(pb, 0x0); /* ? */
1249 put_be16(pb, 0x021C); /* data */
1253 len = utf8len(LIBAVCODEC_IDENT)+1;
1256 put_be16(pb, len*2+10); /* size */
1257 put_be32(pb, 0x04); /* type */
1258 put_be16(pb, language_code("eng")); /* language */
1259 put_be16(pb, 0x01); /* ? */
1260 ascii_to_wc(pb, LIBAVCODEC_IDENT);
1264 len = utf8len(s->title)+1;
1267 put_be16(pb, len*2+10); /* size */
1268 put_be32(pb, 0x01); /* type */
1269 put_be16(pb, language_code("eng")); /* language */
1270 put_be16(pb, 0x01); /* ? */
1271 ascii_to_wc (pb, s->title);
1275 // 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);
1276 len = utf8len("2006/04/01 11:11:11")+1;
1279 put_be16(pb, len*2+10); /* size */
1280 put_be32(pb, 0x03); /* type */
1281 put_be16(pb, language_code("und")); /* language */
1282 put_be16(pb, 0x01); /* ? */
1283 ascii_to_wc (pb, "2006/04/01 11:11:11");
1287 curpos = url_ftell(pb);
1288 url_fseek(pb, pos, SEEK_SET);
1290 url_fseek(pb, pos+24, SEEK_SET);
1291 put_be32(pb, size-24);
1292 url_fseek(pb, curpos, SEEK_SET);
1297 av_log(s, AV_LOG_ERROR, "not utf8\n");
1301 static int mov_write_moov_tag(ByteIOContext *pb, MOVContext *mov,
1305 offset_t pos = url_ftell(pb);
1306 put_be32(pb, 0); /* size placeholder*/
1307 put_tag(pb, "moov");
1308 mov->timescale = globalTimescale;
1310 for (i=0; i<mov->nb_streams; i++) {
1311 if(mov->tracks[i].entry <= 0) continue;
1313 mov->tracks[i].time = mov->time;
1314 mov->tracks[i].trackID = i+1;
1317 mov_write_mvhd_tag(pb, mov);
1318 //mov_write_iods_tag(pb, mov);
1319 for (i=0; i<mov->nb_streams; i++) {
1320 if(mov->tracks[i].entry > 0) {
1321 mov_write_trak_tag(pb, &(mov->tracks[i]));
1325 if (mov->mode == MODE_PSP)
1326 mov_write_uuidusmt_tag(pb, s);
1327 else if (mov->mode != MODE_3GP && mov->mode != MODE_3G2)
1328 mov_write_udta_tag(pb, mov, s);
1330 return updateSize(pb, pos);
1333 static int mov_write_mdat_tag(ByteIOContext *pb, MOVContext* mov)
1335 put_be32(pb, 8); // placeholder for extended size field (64 bit)
1336 put_tag(pb, mov->mode == MODE_MOV ? "wide" : "free");
1338 mov->mdat_pos = url_ftell(pb);
1339 put_be32(pb, 0); /* size placeholder*/
1340 put_tag(pb, "mdat");
1344 /* TODO: This needs to be more general */
1345 static void mov_write_ftyp_tag (ByteIOContext *pb, AVFormatContext *s)
1347 MOVContext *mov = s->priv_data;
1349 put_be32(pb, 0x14); /* size */
1350 put_tag(pb, "ftyp");
1352 if (mov->mode == MODE_3GP)
1353 put_tag(pb, "3gp4");
1354 else if (mov->mode == MODE_3G2)
1355 put_tag(pb, "3g2a");
1356 else if (mov->mode == MODE_PSP)
1357 put_tag(pb, "MSNV");
1358 else if (mov->mode == MODE_MP4)
1359 put_tag(pb, "isom");
1363 put_be32(pb, 0x200);
1365 if (mov->mode == MODE_3GP)
1366 put_tag(pb, "3gp4");
1367 else if (mov->mode == MODE_3G2)
1368 put_tag(pb, "3g2a");
1369 else if (mov->mode == MODE_PSP)
1370 put_tag(pb, "MSNV");
1371 else if (mov->mode == MODE_MP4)
1372 put_tag(pb, "mp41");
1377 static void mov_write_uuidprof_tag(ByteIOContext *pb, AVFormatContext *s)
1379 AVCodecContext *VideoCodec = s->streams[0]->codec;
1380 AVCodecContext *AudioCodec = s->streams[1]->codec;
1381 int AudioRate = AudioCodec->sample_rate;
1382 int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num);
1383 int audio_kbitrate= AudioCodec->bit_rate / 1000;
1384 int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate);
1386 put_be32(pb, 0x94); /* size */
1387 put_tag(pb, "uuid");
1388 put_tag(pb, "PROF");
1390 put_be32(pb, 0x21d24fce); /* 96 bit UUID */
1391 put_be32(pb, 0xbb88695c);
1392 put_be32(pb, 0xfac9c740);
1394 put_be32(pb, 0x0); /* ? */
1395 put_be32(pb, 0x3); /* 3 sections ? */
1397 put_be32(pb, 0x14); /* size */
1398 put_tag(pb, "FPRF");
1399 put_be32(pb, 0x0); /* ? */
1400 put_be32(pb, 0x0); /* ? */
1401 put_be32(pb, 0x0); /* ? */
1403 put_be32(pb, 0x2c); /* size */
1404 put_tag(pb, "APRF"); /* audio */
1406 put_be32(pb, 0x2); /* TrackID */
1407 put_tag(pb, "mp4a");
1408 put_be32(pb, 0x20f);
1410 put_be32(pb, audio_kbitrate);
1411 put_be32(pb, audio_kbitrate);
1412 put_be32(pb, AudioRate);
1413 put_be32(pb, AudioCodec->channels);
1415 put_be32(pb, 0x34); /* size */
1416 put_tag(pb, "VPRF"); /* video */
1418 put_be32(pb, 0x1); /* TrackID */
1419 if (VideoCodec->codec_id == CODEC_ID_H264) {
1420 put_tag(pb, "avc1");
1421 put_be16(pb, 0x014D);
1422 put_be16(pb, 0x0015);
1424 put_tag(pb, "mp4v");
1425 put_be16(pb, 0x0000);
1426 put_be16(pb, 0x0103);
1429 put_be32(pb, video_kbitrate);
1430 put_be32(pb, video_kbitrate);
1431 put_be32(pb, FrameRate);
1432 put_be32(pb, FrameRate);
1433 put_be16(pb, VideoCodec->width);
1434 put_be16(pb, VideoCodec->height);
1435 put_be32(pb, 0x010001); /* ? */
1438 static int mov_write_header(AVFormatContext *s)
1440 ByteIOContext *pb = s->pb;
1441 MOVContext *mov = s->priv_data;
1444 if (url_is_streamed(s->pb)) {
1445 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
1449 /* Default mode == MP4 */
1450 mov->mode = MODE_MP4;
1452 if (s->oformat != NULL) {
1453 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
1454 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3G2;
1455 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
1456 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
1458 mov_write_ftyp_tag(pb,s);
1459 if (mov->mode == MODE_PSP) {
1460 if (s->nb_streams != 2) {
1461 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
1464 mov_write_uuidprof_tag(pb,s);
1468 for(i=0; i<s->nb_streams; i++){
1469 AVStream *st= s->streams[i];
1470 MOVTrack *track= &mov->tracks[i];
1472 track->enc = st->codec;
1473 track->language = ff_mov_iso639_to_lang(st->language, mov->mode != MODE_MOV);
1474 track->mode = mov->mode;
1475 track->tag = mov_find_codec_tag(s, track);
1477 av_log(s, AV_LOG_ERROR, "track %d: could not find tag for codec\n", i);
1480 if(st->codec->codec_type == CODEC_TYPE_VIDEO){
1481 track->timescale = st->codec->time_base.den;
1482 av_set_pts_info(st, 64, 1, st->codec->time_base.den);
1483 if (track->mode == MODE_MOV && track->timescale > 100000)
1484 av_log(s, AV_LOG_WARNING,
1485 "WARNING codec timebase is very high. If duration is too long,\n"
1486 "file may not be playable by quicktime. Specify a shorter timebase\n"
1487 "or choose different container.\n");
1488 }else if(st->codec->codec_type == CODEC_TYPE_AUDIO){
1489 track->timescale = st->codec->sample_rate;
1490 av_set_pts_info(st, 64, 1, st->codec->sample_rate);
1491 if(!st->codec->frame_size){
1492 av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
1494 }else if(st->codec->frame_size > 1){ /* assume compressed audio */
1495 track->audio_vbr = 1;
1497 track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
1502 mov_write_mdat_tag(pb, mov);
1503 mov->time = s->timestamp + 0x7C25B080; //1970 based -> 1904 based
1504 mov->nb_streams = s->nb_streams;
1506 put_flush_packet(pb);
1511 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
1513 MOVContext *mov = s->priv_data;
1514 ByteIOContext *pb = s->pb;
1515 MOVTrack *trk = &mov->tracks[pkt->stream_index];
1516 AVCodecContext *enc = trk->enc;
1517 unsigned int samplesInChunk = 0;
1518 int size= pkt->size;
1520 if (url_is_streamed(s->pb)) return 0; /* Can't handle that */
1521 if (!size) return 0; /* Discard 0 sized packets */
1523 if (enc->codec_id == CODEC_ID_AMR_NB) {
1524 /* We must find out how many AMR blocks there are in one packet */
1525 static uint16_t packed_size[16] =
1526 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 0};
1529 while (len < size && samplesInChunk < 100) {
1530 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
1533 if(samplesInChunk > 1){
1534 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
1537 } else if (trk->sampleSize)
1538 samplesInChunk = size/trk->sampleSize;
1542 /* copy extradata if it exists */
1543 if (trk->vosLen == 0 && enc->extradata_size > 0) {
1544 trk->vosLen = enc->extradata_size;
1545 trk->vosData = av_malloc(trk->vosLen);
1546 memcpy(trk->vosData, enc->extradata, trk->vosLen);
1549 if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) {
1550 /* from x264 or from bytestream h264 */
1551 /* nal reformating needed */
1552 int ret = ff_avc_parse_nal_units(pkt->data, &pkt->data, &pkt->size);
1557 } else if (enc->codec_id == CODEC_ID_DNXHD && !trk->vosLen) {
1558 /* copy frame header to create needed atoms */
1562 trk->vosData = av_malloc(trk->vosLen);
1563 memcpy(trk->vosData, pkt->data, 640);
1566 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
1567 trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster));
1572 trk->cluster[trk->entry].pos = url_ftell(pb);
1573 trk->cluster[trk->entry].samplesInChunk = samplesInChunk;
1574 trk->cluster[trk->entry].size = size;
1575 trk->cluster[trk->entry].entries = samplesInChunk;
1576 trk->cluster[trk->entry].dts = pkt->dts;
1577 trk->trackDuration = pkt->dts - trk->cluster[0].dts + pkt->duration;
1579 if(enc->codec_type == CODEC_TYPE_VIDEO) {
1580 if (pkt->dts != pkt->pts)
1581 trk->hasBframes = 1;
1582 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
1583 trk->cluster[trk->entry].key_frame = !!(pkt->flags & PKT_FLAG_KEY);
1584 if(trk->cluster[trk->entry].key_frame)
1585 trk->hasKeyframes++;
1588 trk->sampleCount += samplesInChunk;
1589 mov->mdat_size += size;
1591 put_buffer(pb, pkt->data, size);
1593 put_flush_packet(pb);
1597 static int mov_write_trailer(AVFormatContext *s)
1599 MOVContext *mov = s->priv_data;
1600 ByteIOContext *pb = s->pb;
1604 offset_t moov_pos = url_ftell(pb);
1606 /* Write size of mdat tag */
1607 if (mov->mdat_size+8 <= UINT32_MAX) {
1608 url_fseek(pb, mov->mdat_pos, SEEK_SET);
1609 put_be32(pb, mov->mdat_size+8);
1611 /* overwrite 'wide' placeholder atom */
1612 url_fseek(pb, mov->mdat_pos - 8, SEEK_SET);
1613 put_be32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */
1614 put_tag(pb, "mdat");
1615 put_be64(pb, mov->mdat_size+16);
1617 url_fseek(pb, moov_pos, SEEK_SET);
1619 mov_write_moov_tag(pb, mov, s);
1621 for (i=0; i<mov->nb_streams; i++) {
1622 av_freep(&mov->tracks[i].cluster);
1624 if(mov->tracks[i].vosLen) av_free(mov->tracks[i].vosData);
1628 put_flush_packet(pb);
1633 #ifdef CONFIG_MOV_MUXER
1634 AVOutputFormat mov_muxer = {
1645 .flags = AVFMT_GLOBALHEADER,
1646 .codec_tag = (const AVCodecTag*[]){codec_movvideo_tags, codec_movaudio_tags, 0},
1649 #ifdef CONFIG_TGP_MUXER
1650 AVOutputFormat tgp_muxer = {
1661 .flags = AVFMT_GLOBALHEADER,
1662 .codec_tag = (const AVCodecTag*[]){codec_3gp_tags, 0},
1665 #ifdef CONFIG_MP4_MUXER
1666 AVOutputFormat mp4_muxer = {
1677 .flags = AVFMT_GLOBALHEADER,
1678 .codec_tag = (const AVCodecTag*[]){ff_mp4_obj_type, 0},
1681 #ifdef CONFIG_PSP_MUXER
1682 AVOutputFormat psp_muxer = {
1693 .flags = AVFMT_GLOBALHEADER,
1694 .codec_tag = (const AVCodecTag*[]){ff_mp4_obj_type, 0},
1697 #ifdef CONFIG_TG2_MUXER
1698 AVOutputFormat tg2_muxer = {
1709 .flags = AVFMT_GLOBALHEADER,
1710 .codec_tag = (const AVCodecTag*[]){codec_3gp_tags, 0},