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
42 typedef struct MOVIentry {
43 unsigned int flags, size;
45 unsigned int samplesInChunk;
52 typedef struct MOVIndex {
57 int64_t trackDuration;
64 int tag; ///< stsd fourcc
73 typedef struct MOVContext {
80 MOVTrack tracks[MAX_STREAMS];
83 //FIXME support 64 bit variant with wide placeholders
84 static offset_t updateSize (ByteIOContext *pb, offset_t pos)
86 offset_t curpos = url_ftell(pb);
87 url_fseek(pb, pos, SEEK_SET);
88 put_be32(pb, curpos - pos); /* rewrite size */
89 url_fseek(pb, curpos, SEEK_SET);
94 /* Chunk offset atom */
95 static int mov_write_stco_tag(ByteIOContext *pb, MOVTrack* track)
98 int mode64 = 0; // use 32 bit size variant if possible
99 offset_t pos = url_ftell(pb);
100 put_be32(pb, 0); /* size */
101 if (pos > UINT32_MAX) {
106 put_be32(pb, 0); /* version & flags */
107 put_be32(pb, track->entry); /* entry count */
108 for (i=0; i<track->entry; i++) {
110 put_be64(pb, track->cluster[i].pos);
112 put_be32(pb, track->cluster[i].pos);
114 return updateSize (pb, pos);
117 /* Sample size atom */
118 static int mov_write_stsz_tag(ByteIOContext *pb, MOVTrack* track)
121 int i, j, entries = 0, tst = -1, oldtst = -1;
123 offset_t pos = url_ftell(pb);
124 put_be32(pb, 0); /* size */
126 put_be32(pb, 0); /* version & flags */
128 for (i=0; i<track->entry; i++) {
129 tst = track->cluster[i].size/track->cluster[i].entries;
130 if(oldtst != -1 && tst != oldtst) {
134 entries += track->cluster[i].entries;
137 int sSize = track->cluster[0].size/track->cluster[0].entries;
138 put_be32(pb, sSize); // sample size
139 put_be32(pb, entries); // sample count
142 put_be32(pb, 0); // sample size
143 put_be32(pb, entries); // sample count
144 for (i=0; i<track->entry; i++) {
145 for (j=0; j<track->cluster[i].entries; j++) {
146 put_be32(pb, track->cluster[i].size /
147 track->cluster[i].entries);
151 return updateSize (pb, pos);
154 /* Sample to chunk atom */
155 static int mov_write_stsc_tag(ByteIOContext *pb, MOVTrack* track)
157 int index = 0, oldval = -1, i;
158 offset_t entryPos, curpos;
160 offset_t pos = url_ftell(pb);
161 put_be32(pb, 0); /* size */
163 put_be32(pb, 0); // version & flags
164 entryPos = url_ftell(pb);
165 put_be32(pb, track->entry); // entry count
166 for (i=0; i<track->entry; i++) {
167 if(oldval != track->cluster[i].samplesInChunk)
169 put_be32(pb, i+1); // first chunk
170 put_be32(pb, track->cluster[i].samplesInChunk); // samples per chunk
171 put_be32(pb, 0x1); // sample description index
172 oldval = track->cluster[i].samplesInChunk;
176 curpos = url_ftell(pb);
177 url_fseek(pb, entryPos, SEEK_SET);
178 put_be32(pb, index); // rewrite size
179 url_fseek(pb, curpos, SEEK_SET);
181 return updateSize (pb, pos);
184 /* Sync sample atom */
185 static int mov_write_stss_tag(ByteIOContext *pb, MOVTrack* track)
187 offset_t curpos, entryPos;
189 offset_t pos = url_ftell(pb);
190 put_be32(pb, 0); // size
192 put_be32(pb, 0); // version & flags
193 entryPos = url_ftell(pb);
194 put_be32(pb, track->entry); // entry count
195 for (i=0; i<track->entry; i++) {
196 if(track->cluster[i].key_frame == 1) {
201 curpos = url_ftell(pb);
202 url_fseek(pb, entryPos, SEEK_SET);
203 put_be32(pb, index); // rewrite size
204 url_fseek(pb, curpos, SEEK_SET);
205 return updateSize (pb, pos);
208 static int mov_write_amr_tag(ByteIOContext *pb, MOVTrack *track)
210 put_be32(pb, 0x11); /* size */
211 if (track->mode == MODE_MOV) put_tag(pb, "samr");
212 else put_tag(pb, "damr");
214 put_byte(pb, 0); /* decoder version */
216 put_be16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
217 put_byte(pb, 0x00); /* Mode change period (no restriction) */
218 put_byte(pb, 0x01); /* Frames per sample */
222 static int mov_write_enda_tag(ByteIOContext *pb)
226 put_be16(pb, 1); /* little endian */
230 static unsigned int descrLength(unsigned int len)
233 for(i=1; len>>(7*i); i++);
237 static void putDescr(ByteIOContext *pb, int tag, unsigned int size)
239 int i= descrLength(size) - size - 2;
242 put_byte(pb, (size>>(7*i)) | 0x80);
243 put_byte(pb, size & 0x7F);
246 static int mov_write_esds_tag(ByteIOContext *pb, MOVTrack* track) // Basic
248 offset_t pos = url_ftell(pb);
249 int decoderSpecificInfoLen = track->vosLen ? descrLength(track->vosLen):0;
251 put_be32(pb, 0); // size
253 put_be32(pb, 0); // Version
256 putDescr(pb, 0x03, 3 + descrLength(13 + decoderSpecificInfoLen) +
258 put_be16(pb, track->trackID);
259 put_byte(pb, 0x00); // flags (= no flags)
261 // DecoderConfig descriptor
262 putDescr(pb, 0x04, 13 + decoderSpecificInfoLen);
264 // Object type indication
265 put_byte(pb, codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
267 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
268 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
269 if(track->enc->codec_type == CODEC_TYPE_AUDIO)
270 put_byte(pb, 0x15); // flags (= Audiostream)
272 put_byte(pb, 0x11); // flags (= Visualstream)
274 put_byte(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits)
275 put_be16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB
277 put_be32(pb, FFMAX(track->enc->bit_rate, track->enc->rc_max_rate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
278 if(track->enc->rc_max_rate != track->enc->rc_min_rate || track->enc->rc_min_rate==0)
279 put_be32(pb, 0); // vbr
281 put_be32(pb, track->enc->rc_max_rate); // avg bitrate
285 // DecoderSpecific info descriptor
286 putDescr(pb, 0x05, track->vosLen);
287 put_buffer(pb, track->vosData, track->vosLen);
292 putDescr(pb, 0x06, 1);
294 return updateSize (pb, pos);
297 static int mov_write_wave_tag(ByteIOContext *pb, MOVTrack* track)
299 offset_t pos = url_ftell(pb);
301 put_be32(pb, 0); /* size */
304 put_be32(pb, 12); /* size */
306 put_le32(pb, track->tag);
308 if (track->enc->codec_id == CODEC_ID_AAC) {
309 /* useless atom needed by mplayer, ipod, not needed by quicktime */
310 put_be32(pb, 12); /* size */
313 mov_write_esds_tag(pb, track);
314 } else if (track->enc->codec_id == CODEC_ID_PCM_S24LE ||
315 track->enc->codec_id == CODEC_ID_PCM_S32LE) {
316 mov_write_enda_tag(pb);
317 } else if (track->enc->codec_id == CODEC_ID_AMR_NB) {
318 mov_write_amr_tag(pb, track);
321 put_be32(pb, 8); /* size */
322 put_be32(pb, 0); /* null tag */
324 return updateSize (pb, pos);
327 static int mov_write_glbl_tag(ByteIOContext *pb, MOVTrack* track)
329 put_be32(pb, track->vosLen+8);
331 put_buffer(pb, track->vosData, track->vosLen);
332 return 8+track->vosLen;
335 static int mov_write_audio_tag(ByteIOContext *pb, MOVTrack* track)
337 offset_t pos = url_ftell(pb);
338 int version = track->mode == MODE_MOV &&
340 track->enc->codec_id == CODEC_ID_PCM_S32LE ||
341 track->enc->codec_id == CODEC_ID_PCM_S24LE);
343 put_be32(pb, 0); /* size */
344 put_le32(pb, track->tag); // store it byteswapped
345 put_be32(pb, 0); /* Reserved */
346 put_be16(pb, 0); /* Reserved */
347 put_be16(pb, 1); /* Data-reference index, XXX == 1 */
349 /* SoundDescription */
350 put_be16(pb, version); /* Version */
351 put_be16(pb, 0); /* Revision level */
352 put_be32(pb, 0); /* Reserved */
354 if (track->mode == MODE_MOV) {
355 put_be16(pb, track->enc->channels);
356 if (track->enc->codec_id == CODEC_ID_PCM_U8 ||
357 track->enc->codec_id == CODEC_ID_PCM_S8)
358 put_be16(pb, 8); /* bits per sample */
361 put_be16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
362 } else { /* reserved for mp4/3gp */
368 put_be16(pb, 0); /* packet size (= 0) */
369 put_be16(pb, track->timescale); /* Time scale */
370 put_be16(pb, 0); /* Reserved */
372 if(version == 1) { /* SoundDescription V1 extended info */
373 put_be32(pb, track->enc->frame_size); /* Samples per packet */
374 put_be32(pb, track->sampleSize / track->enc->channels); /* Bytes per packet */
375 put_be32(pb, track->sampleSize); /* Bytes per frame */
376 put_be32(pb, 2); /* Bytes per sample */
379 if(track->mode == MODE_MOV &&
380 (track->enc->codec_id == CODEC_ID_AAC ||
381 track->enc->codec_id == CODEC_ID_AMR_NB ||
382 track->enc->codec_id == CODEC_ID_PCM_S24LE ||
383 track->enc->codec_id == CODEC_ID_PCM_S32LE))
384 mov_write_wave_tag(pb, track);
385 else if(track->tag == MKTAG('m','p','4','a'))
386 mov_write_esds_tag(pb, track);
387 else if(track->enc->codec_id == CODEC_ID_AMR_NB)
388 mov_write_amr_tag(pb, track);
389 else if(track->vosLen > 0)
390 mov_write_glbl_tag(pb, track);
392 return updateSize (pb, pos);
395 static int mov_write_d263_tag(ByteIOContext *pb)
397 put_be32(pb, 0xf); /* size */
400 put_byte(pb, 0); /* decoder version */
401 /* FIXME use AVCodecContext level/profile, when encoder will set values */
402 put_byte(pb, 0xa); /* level */
403 put_byte(pb, 0); /* profile */
407 /* TODO: No idea about these values */
408 static int mov_write_svq3_tag(ByteIOContext *pb)
414 put_be32(pb, 0xe2c0211d);
415 put_be32(pb, 0xc0000000);
420 static int mov_write_avcc_tag(ByteIOContext *pb, MOVTrack *track)
422 offset_t pos = url_ftell(pb);
426 ff_isom_write_avcc(pb, track->vosData, track->vosLen);
427 return updateSize(pb, pos);
430 /* also used by all avid codecs (dv, imx, meridien) and their variants */
431 static int mov_write_avid_tag(ByteIOContext *pb, MOVTrack *track)
434 put_be32(pb, 24); /* size */
438 put_be32(pb, 1); /* yuv 1 / rgb 2 ? */
439 put_be32(pb, 0); /* unknown */
441 put_be32(pb, 24); /* size */
445 put_be32(pb, 1); /* unknown */
446 put_be32(pb, 0); /* unknown */
448 put_be32(pb, 120); /* size */
452 put_be32(pb, AV_RB32(track->vosData + 0x28)); /* dnxhd cid, some id ? */
453 put_be32(pb, track->enc->width);
454 /* values below are based on samples created with quicktime and avid codecs */
455 if (track->vosData[5] & 2) { // interlaced
456 put_be32(pb, track->enc->height/2);
457 put_be32(pb, 2); /* unknown */
458 put_be32(pb, 0); /* unknown */
459 put_be32(pb, 4); /* unknown */
461 put_be32(pb, track->enc->height);
462 put_be32(pb, 1); /* unknown */
463 put_be32(pb, 0); /* unknown */
464 if (track->enc->height == 1080)
465 put_be32(pb, 5); /* unknown */
467 put_be32(pb, 6); /* unknown */
470 for (i = 0; i < 10; i++)
473 /* extra padding for stsd needed */
478 static const AVCodecTag codec_3gp_tags[] = {
479 { CODEC_ID_H263, MKTAG('s','2','6','3') },
480 { CODEC_ID_H264, MKTAG('a','v','c','1') },
481 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
482 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
483 { CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
484 { CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
487 static const AVCodecTag mov_pix_fmt_tags[] = {
488 { PIX_FMT_YUYV422, MKTAG('y','u','v','s') },
489 { PIX_FMT_UYVY422, MKTAG('2','v','u','y') },
490 { PIX_FMT_BGR555, MKTAG('r','a','w',' ') },
491 { PIX_FMT_RGB24, MKTAG('r','a','w',' ') },
492 { PIX_FMT_BGR32_1, MKTAG('r','a','w',' ') },
495 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
497 int tag = track->enc->codec_tag;
498 if (track->mode == MODE_MP4 || track->mode == MODE_PSP || track->mode == MODE_IPOD) {
499 if (!codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
501 if (track->enc->codec_id == CODEC_ID_H264) tag = MKTAG('a','v','c','1');
502 else if (track->enc->codec_type == CODEC_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
503 else if (track->enc->codec_type == CODEC_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
504 } else if (track->mode == MODE_3GP || track->mode == MODE_3G2) {
505 tag = codec_get_tag(codec_3gp_tags, track->enc->codec_id);
506 } else if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
507 (tag == MKTAG('d','v','c','p') ||
508 track->enc->codec_id == CODEC_ID_RAWVIDEO))) {
509 if (track->enc->codec_id == CODEC_ID_DVVIDEO) {
510 if (track->enc->height == 480) /* NTSC */
511 if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
512 else tag = MKTAG('d','v','c',' ');
513 else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
514 else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
515 else tag = MKTAG('d','v','p','p');
516 } else if (track->enc->codec_id == CODEC_ID_RAWVIDEO) {
517 tag = codec_get_tag(mov_pix_fmt_tags, track->enc->pix_fmt);
518 if (!tag) // restore tag
519 tag = track->enc->codec_tag;
521 if (track->enc->codec_type == CODEC_TYPE_VIDEO) {
522 tag = codec_get_tag(codec_movvideo_tags, track->enc->codec_id);
523 if (!tag) { // if no mac fcc found, try with Microsoft tags
524 tag = codec_get_tag(codec_bmp_tags, track->enc->codec_id);
526 av_log(s, AV_LOG_INFO, "Warning, using MS style video codec tag, "
527 "the file may be unplayable!\n");
529 } else if (track->enc->codec_type == CODEC_TYPE_AUDIO) {
530 tag = codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
531 if (!tag) { // if no mac fcc found, try with Microsoft tags
532 int ms_tag = codec_get_tag(codec_wav_tags, track->enc->codec_id);
534 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
535 av_log(s, AV_LOG_INFO, "Warning, using MS style audio codec tag, "
536 "the file may be unplayable!\n");
546 * Needed to make file play in iPods running newest firmware
547 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
549 static int mov_write_uuid_tag_ipod(ByteIOContext *pb)
553 put_be32(pb, 0x6b6840f2);
554 put_be32(pb, 0x5f244fc5);
555 put_be32(pb, 0xba39a51b);
556 put_be32(pb, 0xcf0323f3);
561 static int mov_write_video_tag(ByteIOContext *pb, MOVTrack* track)
563 offset_t pos = url_ftell(pb);
564 char compressor_name[32];
566 put_be32(pb, 0); /* size */
567 put_le32(pb, track->tag); // store it byteswapped
568 put_be32(pb, 0); /* Reserved */
569 put_be16(pb, 0); /* Reserved */
570 put_be16(pb, 1); /* Data-reference index */
572 put_be16(pb, 0); /* Codec stream version */
573 put_be16(pb, 0); /* Codec stream revision (=0) */
574 if (track->mode == MODE_MOV) {
575 put_tag(pb, "FFMP"); /* Vendor */
576 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
577 put_be32(pb, 0); /* Temporal Quality */
578 put_be32(pb, 0x400); /* Spatial Quality = lossless*/
580 put_be32(pb, 0x200); /* Temporal Quality = normal */
581 put_be32(pb, 0x200); /* Spatial Quality = normal */
584 put_be32(pb, 0); /* Reserved */
585 put_be32(pb, 0); /* Reserved */
586 put_be32(pb, 0); /* Reserved */
588 put_be16(pb, track->enc->width); /* Video width */
589 put_be16(pb, track->enc->height); /* Video height */
590 put_be32(pb, 0x00480000); /* Horizontal resolution 72dpi */
591 put_be32(pb, 0x00480000); /* Vertical resolution 72dpi */
592 put_be32(pb, 0); /* Data size (= 0) */
593 put_be16(pb, 1); /* Frame count (= 1) */
595 memset(compressor_name,0,32);
596 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
597 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
598 strncpy(compressor_name,track->enc->codec->name,31);
599 put_byte(pb, strlen(compressor_name));
600 put_buffer(pb, compressor_name, 31);
602 if (track->mode == MODE_MOV && track->enc->bits_per_sample)
603 put_be16(pb, track->enc->bits_per_sample);
605 put_be16(pb, 0x18); /* Reserved */
606 put_be16(pb, 0xffff); /* Reserved */
607 if(track->tag == MKTAG('m','p','4','v'))
608 mov_write_esds_tag(pb, track);
609 else if(track->enc->codec_id == CODEC_ID_H263)
610 mov_write_d263_tag(pb);
611 else if(track->enc->codec_id == CODEC_ID_SVQ3)
612 mov_write_svq3_tag(pb);
613 else if(track->enc->codec_id == CODEC_ID_DNXHD)
614 mov_write_avid_tag(pb, track);
615 else if(track->enc->codec_id == CODEC_ID_H264) {
616 mov_write_avcc_tag(pb, track);
617 if(track->mode == MODE_IPOD)
618 mov_write_uuid_tag_ipod(pb);
619 } else if(track->vosLen > 0 &&
620 track->enc->codec_id != CODEC_ID_MPEG2VIDEO)
621 mov_write_glbl_tag(pb, track);
623 return updateSize (pb, pos);
626 static int mov_write_stsd_tag(ByteIOContext *pb, MOVTrack* track)
628 offset_t pos = url_ftell(pb);
629 put_be32(pb, 0); /* size */
631 put_be32(pb, 0); /* version & flags */
632 put_be32(pb, 1); /* entry count */
633 if (track->enc->codec_type == CODEC_TYPE_VIDEO)
634 mov_write_video_tag(pb, track);
635 else if (track->enc->codec_type == CODEC_TYPE_AUDIO)
636 mov_write_audio_tag(pb, track);
637 return updateSize(pb, pos);
640 static int mov_write_ctts_tag(ByteIOContext *pb, MOVTrack* track)
642 MOV_stts_t *ctts_entries;
643 uint32_t entries = 0;
647 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
648 ctts_entries[0].count = 1;
649 ctts_entries[0].duration = track->cluster[0].cts;
650 for (i=1; i<track->entry; i++) {
651 if (track->cluster[i].cts == ctts_entries[entries].duration) {
652 ctts_entries[entries].count++; /* compress */
655 ctts_entries[entries].duration = track->cluster[i].cts;
656 ctts_entries[entries].count = 1;
659 entries++; /* last one */
660 atom_size = 16 + (entries * 8);
661 put_be32(pb, atom_size); /* size */
663 put_be32(pb, 0); /* version & flags */
664 put_be32(pb, entries); /* entry count */
665 for (i=0; i<entries; i++) {
666 put_be32(pb, ctts_entries[i].count);
667 put_be32(pb, ctts_entries[i].duration);
669 av_free(ctts_entries);
673 /* Time to sample atom */
674 static int mov_write_stts_tag(ByteIOContext *pb, MOVTrack* track)
676 MOV_stts_t *stts_entries;
677 uint32_t entries = -1;
681 if (track->enc->codec_type == CODEC_TYPE_AUDIO && !track->audio_vbr) {
682 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
683 stts_entries[0].count = track->sampleCount;
684 stts_entries[0].duration = 1;
687 stts_entries = av_malloc(track->entry * sizeof(*stts_entries)); /* worst case */
688 for (i=0; i<track->entry; i++) {
689 int64_t duration = i + 1 == track->entry ?
690 track->trackDuration - track->cluster[i].dts + track->cluster[0].dts : /* readjusting */
691 track->cluster[i+1].dts - track->cluster[i].dts;
692 if (i && duration == stts_entries[entries].duration) {
693 stts_entries[entries].count++; /* compress */
696 stts_entries[entries].duration = duration;
697 stts_entries[entries].count = 1;
700 entries++; /* last one */
702 atom_size = 16 + (entries * 8);
703 put_be32(pb, atom_size); /* size */
705 put_be32(pb, 0); /* version & flags */
706 put_be32(pb, entries); /* entry count */
707 for (i=0; i<entries; i++) {
708 put_be32(pb, stts_entries[i].count);
709 put_be32(pb, stts_entries[i].duration);
711 av_free(stts_entries);
715 static int mov_write_dref_tag(ByteIOContext *pb)
717 put_be32(pb, 28); /* size */
719 put_be32(pb, 0); /* version & flags */
720 put_be32(pb, 1); /* entry count */
722 put_be32(pb, 0xc); /* size */
724 put_be32(pb, 1); /* version & flags */
729 static int mov_write_stbl_tag(ByteIOContext *pb, MOVTrack* track)
731 offset_t pos = url_ftell(pb);
732 put_be32(pb, 0); /* size */
734 mov_write_stsd_tag(pb, track);
735 mov_write_stts_tag(pb, track);
736 if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
737 track->hasKeyframes && track->hasKeyframes < track->entry)
738 mov_write_stss_tag(pb, track);
739 if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
741 mov_write_ctts_tag(pb, track);
742 mov_write_stsc_tag(pb, track);
743 mov_write_stsz_tag(pb, track);
744 mov_write_stco_tag(pb, track);
745 return updateSize(pb, pos);
748 static int mov_write_dinf_tag(ByteIOContext *pb)
750 offset_t pos = url_ftell(pb);
751 put_be32(pb, 0); /* size */
753 mov_write_dref_tag(pb);
754 return updateSize(pb, pos);
757 static int mov_write_smhd_tag(ByteIOContext *pb)
759 put_be32(pb, 16); /* size */
761 put_be32(pb, 0); /* version & flags */
762 put_be16(pb, 0); /* reserved (balance, normally = 0) */
763 put_be16(pb, 0); /* reserved */
767 static int mov_write_vmhd_tag(ByteIOContext *pb)
769 put_be32(pb, 0x14); /* size (always 0x14) */
771 put_be32(pb, 0x01); /* version & flags */
772 put_be64(pb, 0); /* reserved (graphics mode = copy) */
776 static int mov_write_hdlr_tag(ByteIOContext *pb, MOVTrack* track)
778 const char *descr, *hdlr, *hdlr_type;
779 offset_t pos = url_ftell(pb);
781 if (!track) { /* no media --> data handler */
784 descr = "DataHandler";
786 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
787 if (track->enc->codec_type == CODEC_TYPE_VIDEO) {
789 descr = "VideoHandler";
792 descr = "SoundHandler";
796 put_be32(pb, 0); /* size */
798 put_be32(pb, 0); /* Version & flags */
799 put_buffer(pb, hdlr, 4); /* handler */
800 put_tag(pb, hdlr_type); /* handler type */
801 put_be32(pb ,0); /* reserved */
802 put_be32(pb ,0); /* reserved */
803 put_be32(pb ,0); /* reserved */
804 put_byte(pb, strlen(descr)); /* string counter */
805 put_buffer(pb, descr, strlen(descr)); /* handler description */
806 return updateSize(pb, pos);
809 static int mov_write_minf_tag(ByteIOContext *pb, MOVTrack* track)
811 offset_t pos = url_ftell(pb);
812 put_be32(pb, 0); /* size */
814 if(track->enc->codec_type == CODEC_TYPE_VIDEO)
815 mov_write_vmhd_tag(pb);
817 mov_write_smhd_tag(pb);
818 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
819 mov_write_hdlr_tag(pb, NULL);
820 mov_write_dinf_tag(pb);
821 mov_write_stbl_tag(pb, track);
822 return updateSize(pb, pos);
825 static int mov_write_mdhd_tag(ByteIOContext *pb, MOVTrack* track)
827 int version = track->trackDuration < INT32_MAX ? 0 : 1;
829 (version == 1) ? put_be32(pb, 44) : put_be32(pb, 32); /* size */
831 put_byte(pb, version);
832 put_be24(pb, 0); /* flags */
834 put_be64(pb, track->time);
835 put_be64(pb, track->time);
837 put_be32(pb, track->time); /* creation time */
838 put_be32(pb, track->time); /* modification time */
840 put_be32(pb, track->timescale); /* time scale (sample rate for audio) */
841 (version == 1) ? put_be64(pb, track->trackDuration) : put_be32(pb, track->trackDuration); /* duration */
842 put_be16(pb, track->language); /* language */
843 put_be16(pb, 0); /* reserved (quality) */
845 if(version!=0 && track->mode == MODE_MOV){
846 av_log(NULL, AV_LOG_ERROR,
847 "FATAL error, file duration too long for timebase, this file will not be\n"
848 "playable with quicktime. Choose a different timebase or a different\n"
849 "container format\n");
855 static int mov_write_mdia_tag(ByteIOContext *pb, MOVTrack* track)
857 offset_t pos = url_ftell(pb);
858 put_be32(pb, 0); /* size */
860 mov_write_mdhd_tag(pb, track);
861 mov_write_hdlr_tag(pb, track);
862 mov_write_minf_tag(pb, track);
863 return updateSize(pb, pos);
866 static int mov_write_tkhd_tag(ByteIOContext *pb, MOVTrack* track)
868 int64_t duration = av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP);
869 int version = duration < INT32_MAX ? 0 : 1;
871 (version == 1) ? put_be32(pb, 104) : put_be32(pb, 92); /* size */
873 put_byte(pb, version);
874 put_be24(pb, 0xf); /* flags (track enabled) */
876 put_be64(pb, track->time);
877 put_be64(pb, track->time);
879 put_be32(pb, track->time); /* creation time */
880 put_be32(pb, track->time); /* modification time */
882 put_be32(pb, track->trackID); /* track-id */
883 put_be32(pb, 0); /* reserved */
884 (version == 1) ? put_be64(pb, duration) : put_be32(pb, duration);
886 put_be32(pb, 0); /* reserved */
887 put_be32(pb, 0); /* reserved */
888 put_be32(pb, 0x0); /* reserved (Layer & Alternate group) */
889 /* Volume, only for audio */
890 if(track->enc->codec_type == CODEC_TYPE_AUDIO)
891 put_be16(pb, 0x0100);
894 put_be16(pb, 0); /* reserved */
896 /* Matrix structure */
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, 0x00010000); /* reserved */
902 put_be32(pb, 0x0); /* reserved */
903 put_be32(pb, 0x0); /* reserved */
904 put_be32(pb, 0x0); /* reserved */
905 put_be32(pb, 0x40000000); /* reserved */
907 /* Track width and height, for visual only */
908 if(track->enc->codec_type == CODEC_TYPE_VIDEO) {
909 double sample_aspect_ratio = av_q2d(track->enc->sample_aspect_ratio);
910 if(!sample_aspect_ratio) sample_aspect_ratio = 1;
911 put_be32(pb, sample_aspect_ratio * track->enc->width*0x10000);
912 put_be32(pb, track->enc->height*0x10000);
921 // This box seems important for the psp playback ... without it the movie seems to hang
922 static int mov_write_edts_tag(ByteIOContext *pb, MOVTrack *track)
924 put_be32(pb, 0x24); /* size */
926 put_be32(pb, 0x1c); /* size */
931 put_be32(pb, av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP)); /* duration ... doesn't seem to effect psp */
933 put_be32(pb, track->cluster[0].cts); /* first pts is cts since dts is 0 */
934 put_be32(pb, 0x00010000);
938 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
939 static int mov_write_uuid_tag_psp(ByteIOContext *pb, MOVTrack *mov)
941 put_be32(pb, 0x34); /* size ... reports as 28 in mp4box! */
944 put_be32(pb, 0x21d24fce);
945 put_be32(pb, 0xbb88695c);
946 put_be32(pb, 0xfac9c740);
947 put_be32(pb, 0x1c); // another size here!
949 put_be32(pb, 0x00010012);
951 put_be32(pb, 0x55c40000);
957 static int mov_write_trak_tag(ByteIOContext *pb, MOVTrack* track)
959 offset_t pos = url_ftell(pb);
960 put_be32(pb, 0); /* size */
962 mov_write_tkhd_tag(pb, track);
963 if (track->mode == MODE_PSP || track->hasBframes)
964 mov_write_edts_tag(pb, track); // PSP Movies require edts box
965 mov_write_mdia_tag(pb, track);
966 if (track->mode == MODE_PSP)
967 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
968 return updateSize(pb, pos);
972 /* TODO: Not sorted out, but not necessary either */
973 static int mov_write_iods_tag(ByteIOContext *pb, MOVContext *mov)
975 put_be32(pb, 0x15); /* size */
977 put_be32(pb, 0); /* version & flags */
978 put_be16(pb, 0x1007);
980 put_be16(pb, 0x4fff);
981 put_be16(pb, 0xfffe);
982 put_be16(pb, 0x01ff);
987 static int mov_write_mvhd_tag(ByteIOContext *pb, MOVContext *mov)
989 int maxTrackID = 1, i;
990 int64_t maxTrackLenTemp, maxTrackLen = 0;
993 for (i=0; i<mov->nb_streams; i++) {
994 if(mov->tracks[i].entry > 0) {
995 maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration, globalTimescale, mov->tracks[i].timescale, AV_ROUND_UP);
996 if(maxTrackLen < maxTrackLenTemp)
997 maxTrackLen = maxTrackLenTemp;
998 if(maxTrackID < mov->tracks[i].trackID)
999 maxTrackID = mov->tracks[i].trackID;
1003 version = maxTrackLen < UINT32_MAX ? 0 : 1;
1004 (version == 1) ? put_be32(pb, 120) : put_be32(pb, 108); /* size */
1005 put_tag(pb, "mvhd");
1006 put_byte(pb, version);
1007 put_be24(pb, 0); /* flags */
1009 put_be64(pb, mov->time);
1010 put_be64(pb, mov->time);
1012 put_be32(pb, mov->time); /* creation time */
1013 put_be32(pb, mov->time); /* modification time */
1015 put_be32(pb, mov->timescale); /* timescale */
1016 (version == 1) ? put_be64(pb, maxTrackLen) : put_be32(pb, maxTrackLen); /* duration of longest track */
1018 put_be32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1019 put_be16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1020 put_be16(pb, 0); /* reserved */
1021 put_be32(pb, 0); /* reserved */
1022 put_be32(pb, 0); /* reserved */
1024 /* Matrix structure */
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, 0x00010000); /* reserved */
1030 put_be32(pb, 0x0); /* reserved */
1031 put_be32(pb, 0x0); /* reserved */
1032 put_be32(pb, 0x0); /* reserved */
1033 put_be32(pb, 0x40000000); /* reserved */
1035 put_be32(pb, 0); /* reserved (preview time) */
1036 put_be32(pb, 0); /* reserved (preview duration) */
1037 put_be32(pb, 0); /* reserved (poster time) */
1038 put_be32(pb, 0); /* reserved (selection time) */
1039 put_be32(pb, 0); /* reserved (selection duration) */
1040 put_be32(pb, 0); /* reserved (current time) */
1041 put_be32(pb, maxTrackID+1); /* Next track id */
1045 static int mov_write_itunes_hdlr_tag(ByteIOContext *pb, MOVContext* mov,
1048 offset_t pos = url_ftell(pb);
1049 put_be32(pb, 0); /* size */
1050 put_tag(pb, "hdlr");
1053 put_tag(pb, "mdir");
1054 put_tag(pb, "appl");
1058 return updateSize(pb, pos);
1061 /* helper function to write a data tag with the specified string as data */
1062 static int mov_write_string_data_tag(ByteIOContext *pb, const char *data, int long_style)
1065 offset_t pos = url_ftell(pb);
1066 put_be32(pb, 0); /* size */
1067 put_tag(pb, "data");
1070 put_buffer(pb, data, strlen(data));
1071 return updateSize(pb, pos);
1073 put_be16(pb, strlen(data)); /* string length */
1075 put_buffer(pb, data, strlen(data));
1076 return strlen(data) + 4;
1080 static int mov_write_string_tag(ByteIOContext *pb, const char *name, const char *value, int long_style){
1082 if (value && value[0]) {
1083 offset_t pos = url_ftell(pb);
1084 put_be32(pb, 0); /* size */
1086 mov_write_string_data_tag(pb, value, long_style);
1087 size= updateSize(pb, pos);
1093 static int mov_write_day_tag(ByteIOContext *pb, int year, int long_style)
1097 snprintf(year_str, sizeof(year_str), "%04d", year);
1098 return mov_write_string_tag(pb, "\251day", year_str, long_style);
1103 /* iTunes track number */
1104 static int mov_write_trkn_tag(ByteIOContext *pb, MOVContext* mov,
1109 offset_t pos = url_ftell(pb);
1110 put_be32(pb, 0); /* size */
1111 put_tag(pb, "trkn");
1113 offset_t pos = url_ftell(pb);
1114 put_be32(pb, 0); /* size */
1115 put_tag(pb, "data");
1116 put_be32(pb, 0); // 8 bytes empty
1118 put_be16(pb, 0); // empty
1119 put_be16(pb, s->track); // track number
1120 put_be16(pb, 0); // total track number
1121 put_be16(pb, 0); // empty
1122 updateSize(pb, pos);
1124 size = updateSize(pb, pos);
1129 /* iTunes meta data list */
1130 static int mov_write_ilst_tag(ByteIOContext *pb, MOVContext* mov,
1133 offset_t pos = url_ftell(pb);
1134 put_be32(pb, 0); /* size */
1135 put_tag(pb, "ilst");
1136 mov_write_string_tag(pb, "\251nam", s->title , 1);
1137 mov_write_string_tag(pb, "\251ART", s->author , 1);
1138 mov_write_string_tag(pb, "\251wrt", s->author , 1);
1139 mov_write_string_tag(pb, "\251alb", s->album , 1);
1140 mov_write_day_tag(pb, s->year ,1);
1141 if(mov->tracks[0].enc && !(mov->tracks[0].enc->flags & CODEC_FLAG_BITEXACT))
1142 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 1);
1143 mov_write_string_tag(pb, "\251cmt", s->comment , 1);
1144 mov_write_string_tag(pb, "\251gen", s->genre , 1);
1145 mov_write_trkn_tag(pb, mov, s);
1146 return updateSize(pb, pos);
1149 /* iTunes meta data tag */
1150 static int mov_write_meta_tag(ByteIOContext *pb, MOVContext* mov,
1155 // only save meta tag if required
1156 if (s->title[0] || s->author[0] || s->album[0] || s->year ||
1157 s->comment[0] || s->genre[0] || s->track) {
1158 offset_t pos = url_ftell(pb);
1159 put_be32(pb, 0); /* size */
1160 put_tag(pb, "meta");
1162 mov_write_itunes_hdlr_tag(pb, mov, s);
1163 mov_write_ilst_tag(pb, mov, s);
1164 size = updateSize(pb, pos);
1169 static int mov_write_udta_tag(ByteIOContext *pb, MOVContext* mov,
1175 for (i=0; i<mov->nb_streams; i++) {
1176 if(mov->tracks[i].entry <= 0) continue;
1177 if (mov->tracks[i].enc->codec_id == CODEC_ID_AAC ||
1178 mov->tracks[i].enc->codec_id == CODEC_ID_MPEG4) {
1184 if (s->title[0] || s->author[0] || s->album[0] || s->year ||
1185 s->comment[0] || s->genre[0] || s->track ||
1186 (mov->mode == MODE_MOV &&
1187 ((mov->tracks[0].enc && !mov->tracks[0].enc->flags & CODEC_FLAG_BITEXACT) || req))) {
1188 offset_t pos = url_ftell(pb);
1190 put_be32(pb, 0); /* size */
1191 put_tag(pb, "udta");
1193 /* iTunes meta data */
1194 mov_write_meta_tag(pb, mov, s);
1196 if(mov->mode == MODE_MOV){ // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
1199 mov_write_string_tag(pb, "\251req", "QuickTime 6.0 or greater", 0);
1201 mov_write_string_tag(pb, "\251nam", s->title , 0);
1202 mov_write_string_tag(pb, "\251aut", s->author , 0);
1203 mov_write_string_tag(pb, "\251alb", s->album , 0);
1204 mov_write_day_tag(pb, s->year, 0);
1205 if(mov->tracks[0].enc && !(mov->tracks[0].enc->flags & CODEC_FLAG_BITEXACT))
1206 mov_write_string_tag(pb, "\251enc", LIBAVFORMAT_IDENT, 0);
1207 mov_write_string_tag(pb, "\251des", s->comment , 0);
1208 mov_write_string_tag(pb, "\251gen", s->genre , 0);
1211 return updateSize(pb, pos);
1217 static int utf8len(const uint8_t *b){
1221 GET_UTF8(val, *b++, return -1;)
1227 static int ascii_to_wc (ByteIOContext *pb, const uint8_t *b)
1231 GET_UTF8(val, *b++, return -1;)
1238 static uint16_t language_code (const char *str)
1240 return ((((str[0]-0x60) & 0x1F)<<10) + (((str[1]-0x60) & 0x1F)<<5) + ((str[2]-0x60) & 0x1F));
1243 static int mov_write_uuidusmt_tag (ByteIOContext *pb, AVFormatContext *s)
1246 offset_t pos, curpos;
1250 pos = url_ftell(pb);
1251 put_be32(pb, 0); /* size placeholder*/
1252 put_tag(pb, "uuid");
1253 put_tag(pb, "USMT");
1254 put_be32(pb, 0x21d24fce); /* 96 bit UUID */
1255 put_be32(pb, 0xbb88695c);
1256 put_be32(pb, 0xfac9c740);
1259 put_be32(pb, 0); /* size placeholder*/
1260 put_tag(pb, "MTDT");
1265 put_be16(pb, 0x0C); /* size */
1266 put_be32(pb, 0x0B); /* type */
1267 put_be16(pb, language_code("und")); /* language */
1268 put_be16(pb, 0x0); /* ? */
1269 put_be16(pb, 0x021C); /* data */
1273 len = utf8len(LIBAVCODEC_IDENT)+1;
1276 put_be16(pb, len*2+10); /* size */
1277 put_be32(pb, 0x04); /* type */
1278 put_be16(pb, language_code("eng")); /* language */
1279 put_be16(pb, 0x01); /* ? */
1280 ascii_to_wc(pb, LIBAVCODEC_IDENT);
1284 len = utf8len(s->title)+1;
1287 put_be16(pb, len*2+10); /* size */
1288 put_be32(pb, 0x01); /* type */
1289 put_be16(pb, language_code("eng")); /* language */
1290 put_be16(pb, 0x01); /* ? */
1291 ascii_to_wc (pb, s->title);
1295 // 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);
1296 len = utf8len("2006/04/01 11:11:11")+1;
1299 put_be16(pb, len*2+10); /* size */
1300 put_be32(pb, 0x03); /* type */
1301 put_be16(pb, language_code("und")); /* language */
1302 put_be16(pb, 0x01); /* ? */
1303 ascii_to_wc (pb, "2006/04/01 11:11:11");
1307 curpos = url_ftell(pb);
1308 url_fseek(pb, pos, SEEK_SET);
1310 url_fseek(pb, pos+24, SEEK_SET);
1311 put_be32(pb, size-24);
1312 url_fseek(pb, curpos, SEEK_SET);
1317 av_log(s, AV_LOG_ERROR, "not utf8\n");
1321 static int mov_write_moov_tag(ByteIOContext *pb, MOVContext *mov,
1325 offset_t pos = url_ftell(pb);
1326 put_be32(pb, 0); /* size placeholder*/
1327 put_tag(pb, "moov");
1328 mov->timescale = globalTimescale;
1330 for (i=0; i<mov->nb_streams; i++) {
1331 if(mov->tracks[i].entry <= 0) continue;
1333 mov->tracks[i].time = mov->time;
1334 mov->tracks[i].trackID = i+1;
1337 mov_write_mvhd_tag(pb, mov);
1338 //mov_write_iods_tag(pb, mov);
1339 for (i=0; i<mov->nb_streams; i++) {
1340 if(mov->tracks[i].entry > 0) {
1341 mov_write_trak_tag(pb, &(mov->tracks[i]));
1345 if (mov->mode == MODE_PSP)
1346 mov_write_uuidusmt_tag(pb, s);
1347 else if (mov->mode != MODE_3GP && mov->mode != MODE_3G2)
1348 mov_write_udta_tag(pb, mov, s);
1350 return updateSize(pb, pos);
1353 static int mov_write_mdat_tag(ByteIOContext *pb, MOVContext* mov)
1355 put_be32(pb, 8); // placeholder for extended size field (64 bit)
1356 put_tag(pb, mov->mode == MODE_MOV ? "wide" : "free");
1358 mov->mdat_pos = url_ftell(pb);
1359 put_be32(pb, 0); /* size placeholder*/
1360 put_tag(pb, "mdat");
1364 /* TODO: This needs to be more general */
1365 static void mov_write_ftyp_tag (ByteIOContext *pb, AVFormatContext *s)
1367 MOVContext *mov = s->priv_data;
1369 put_be32(pb, 0x14); /* size */
1370 put_tag(pb, "ftyp");
1372 if (mov->mode == MODE_3GP)
1373 put_tag(pb, "3gp4");
1374 else if (mov->mode == MODE_3G2)
1375 put_tag(pb, "3g2a");
1376 else if (mov->mode == MODE_PSP)
1377 put_tag(pb, "MSNV");
1378 else if (mov->mode == MODE_MP4 || mov->mode == MODE_IPOD)
1379 put_tag(pb, "isom");
1383 put_be32(pb, 0x200);
1385 if (mov->mode == MODE_3GP)
1386 put_tag(pb, "3gp4");
1387 else if (mov->mode == MODE_3G2)
1388 put_tag(pb, "3g2a");
1389 else if (mov->mode == MODE_PSP)
1390 put_tag(pb, "MSNV");
1391 else if (mov->mode == MODE_MP4 || mov->mode == MODE_IPOD)
1392 put_tag(pb, "mp41");
1397 static void mov_write_uuidprof_tag(ByteIOContext *pb, AVFormatContext *s)
1399 AVCodecContext *VideoCodec = s->streams[0]->codec;
1400 AVCodecContext *AudioCodec = s->streams[1]->codec;
1401 int AudioRate = AudioCodec->sample_rate;
1402 int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num);
1403 int audio_kbitrate= AudioCodec->bit_rate / 1000;
1404 int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate);
1406 put_be32(pb, 0x94); /* size */
1407 put_tag(pb, "uuid");
1408 put_tag(pb, "PROF");
1410 put_be32(pb, 0x21d24fce); /* 96 bit UUID */
1411 put_be32(pb, 0xbb88695c);
1412 put_be32(pb, 0xfac9c740);
1414 put_be32(pb, 0x0); /* ? */
1415 put_be32(pb, 0x3); /* 3 sections ? */
1417 put_be32(pb, 0x14); /* size */
1418 put_tag(pb, "FPRF");
1419 put_be32(pb, 0x0); /* ? */
1420 put_be32(pb, 0x0); /* ? */
1421 put_be32(pb, 0x0); /* ? */
1423 put_be32(pb, 0x2c); /* size */
1424 put_tag(pb, "APRF"); /* audio */
1426 put_be32(pb, 0x2); /* TrackID */
1427 put_tag(pb, "mp4a");
1428 put_be32(pb, 0x20f);
1430 put_be32(pb, audio_kbitrate);
1431 put_be32(pb, audio_kbitrate);
1432 put_be32(pb, AudioRate);
1433 put_be32(pb, AudioCodec->channels);
1435 put_be32(pb, 0x34); /* size */
1436 put_tag(pb, "VPRF"); /* video */
1438 put_be32(pb, 0x1); /* TrackID */
1439 if (VideoCodec->codec_id == CODEC_ID_H264) {
1440 put_tag(pb, "avc1");
1441 put_be16(pb, 0x014D);
1442 put_be16(pb, 0x0015);
1444 put_tag(pb, "mp4v");
1445 put_be16(pb, 0x0000);
1446 put_be16(pb, 0x0103);
1449 put_be32(pb, video_kbitrate);
1450 put_be32(pb, video_kbitrate);
1451 put_be32(pb, FrameRate);
1452 put_be32(pb, FrameRate);
1453 put_be16(pb, VideoCodec->width);
1454 put_be16(pb, VideoCodec->height);
1455 put_be32(pb, 0x010001); /* ? */
1458 static int mov_write_header(AVFormatContext *s)
1460 ByteIOContext *pb = s->pb;
1461 MOVContext *mov = s->priv_data;
1464 if (url_is_streamed(s->pb)) {
1465 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
1469 /* Default mode == MP4 */
1470 mov->mode = MODE_MP4;
1472 if (s->oformat != NULL) {
1473 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
1474 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3G2;
1475 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
1476 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
1477 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
1479 mov_write_ftyp_tag(pb,s);
1480 if (mov->mode == MODE_PSP) {
1481 if (s->nb_streams != 2) {
1482 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
1485 mov_write_uuidprof_tag(pb,s);
1489 for(i=0; i<s->nb_streams; i++){
1490 AVStream *st= s->streams[i];
1491 MOVTrack *track= &mov->tracks[i];
1493 track->enc = st->codec;
1494 track->language = ff_mov_iso639_to_lang(st->language, mov->mode != MODE_MOV);
1495 track->mode = mov->mode;
1496 track->tag = mov_find_codec_tag(s, track);
1498 av_log(s, AV_LOG_ERROR, "track %d: could not find tag for codec\n", i);
1501 if(st->codec->codec_type == CODEC_TYPE_VIDEO){
1502 track->timescale = st->codec->time_base.den;
1503 av_set_pts_info(st, 64, 1, st->codec->time_base.den);
1504 if (track->mode == MODE_MOV && track->timescale > 100000)
1505 av_log(s, AV_LOG_WARNING,
1506 "WARNING codec timebase is very high. If duration is too long,\n"
1507 "file may not be playable by quicktime. Specify a shorter timebase\n"
1508 "or choose different container.\n");
1509 }else if(st->codec->codec_type == CODEC_TYPE_AUDIO){
1510 track->timescale = st->codec->sample_rate;
1511 av_set_pts_info(st, 64, 1, st->codec->sample_rate);
1512 if(!st->codec->frame_size){
1513 av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
1515 }else if(st->codec->frame_size > 1){ /* assume compressed audio */
1516 track->audio_vbr = 1;
1518 track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
1523 mov_write_mdat_tag(pb, mov);
1524 mov->time = s->timestamp + 0x7C25B080; //1970 based -> 1904 based
1525 mov->nb_streams = s->nb_streams;
1527 put_flush_packet(pb);
1532 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
1534 MOVContext *mov = s->priv_data;
1535 ByteIOContext *pb = s->pb;
1536 MOVTrack *trk = &mov->tracks[pkt->stream_index];
1537 AVCodecContext *enc = trk->enc;
1538 unsigned int samplesInChunk = 0;
1539 int size= pkt->size;
1540 int dump_extradata = 0;
1542 if (url_is_streamed(s->pb)) return 0; /* Can't handle that */
1543 if (!size) return 0; /* Discard 0 sized packets */
1545 if (enc->codec_id == CODEC_ID_AMR_NB) {
1546 /* We must find out how many AMR blocks there are in one packet */
1547 static uint16_t packed_size[16] =
1548 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 0};
1551 while (len < size && samplesInChunk < 100) {
1552 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
1555 if(samplesInChunk > 1){
1556 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
1559 } else if (trk->sampleSize)
1560 samplesInChunk = size/trk->sampleSize;
1564 /* copy extradata if it exists */
1565 if (trk->vosLen == 0 && enc->extradata_size > 0) {
1566 trk->vosLen = enc->extradata_size;
1567 trk->vosData = av_malloc(trk->vosLen);
1568 memcpy(trk->vosData, enc->extradata, trk->vosLen);
1571 if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) {
1572 /* from x264 or from bytestream h264 */
1573 /* nal reformating needed */
1574 int ret = ff_avc_parse_nal_units(pkt->data, &pkt->data, &pkt->size);
1579 } else if (enc->codec_id == CODEC_ID_DNXHD && !trk->vosLen) {
1580 /* copy frame header to create needed atoms */
1584 trk->vosData = av_malloc(trk->vosLen);
1585 memcpy(trk->vosData, pkt->data, 640);
1586 } else if (enc->codec_id == CODEC_ID_MPEG2VIDEO && trk->vosLen > 4 &&
1587 AV_RB32(trk->vosData) == 0x000001b3 && pkt->flags & PKT_FLAG_KEY &&
1588 pkt->size > 4 && AV_RB32(pkt->data) != 0x000001b3) {
1589 size += trk->vosLen;
1593 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
1594 trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster));
1599 trk->cluster[trk->entry].pos = url_ftell(pb);
1600 trk->cluster[trk->entry].samplesInChunk = samplesInChunk;
1601 trk->cluster[trk->entry].size = size;
1602 trk->cluster[trk->entry].entries = samplesInChunk;
1603 trk->cluster[trk->entry].dts = pkt->dts;
1604 trk->trackDuration = pkt->dts - trk->cluster[0].dts + pkt->duration;
1606 if(enc->codec_type == CODEC_TYPE_VIDEO) {
1607 if (pkt->dts != pkt->pts)
1608 trk->hasBframes = 1;
1609 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
1610 trk->cluster[trk->entry].key_frame = !!(pkt->flags & PKT_FLAG_KEY);
1611 if(trk->cluster[trk->entry].key_frame)
1612 trk->hasKeyframes++;
1615 trk->sampleCount += samplesInChunk;
1616 mov->mdat_size += size;
1618 if (dump_extradata) {
1619 put_buffer(pb, trk->vosData, trk->vosLen);
1620 size -= trk->vosLen;
1622 put_buffer(pb, pkt->data, size);
1624 put_flush_packet(pb);
1628 static int mov_write_trailer(AVFormatContext *s)
1630 MOVContext *mov = s->priv_data;
1631 ByteIOContext *pb = s->pb;
1635 offset_t moov_pos = url_ftell(pb);
1637 /* Write size of mdat tag */
1638 if (mov->mdat_size+8 <= UINT32_MAX) {
1639 url_fseek(pb, mov->mdat_pos, SEEK_SET);
1640 put_be32(pb, mov->mdat_size+8);
1642 /* overwrite 'wide' placeholder atom */
1643 url_fseek(pb, mov->mdat_pos - 8, SEEK_SET);
1644 put_be32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */
1645 put_tag(pb, "mdat");
1646 put_be64(pb, mov->mdat_size+16);
1648 url_fseek(pb, moov_pos, SEEK_SET);
1650 mov_write_moov_tag(pb, mov, s);
1652 for (i=0; i<mov->nb_streams; i++) {
1653 av_freep(&mov->tracks[i].cluster);
1655 if(mov->tracks[i].vosLen) av_free(mov->tracks[i].vosData);
1659 put_flush_packet(pb);
1664 #ifdef CONFIG_MOV_MUXER
1665 AVOutputFormat mov_muxer = {
1676 .flags = AVFMT_GLOBALHEADER,
1677 .codec_tag = (const AVCodecTag*[]){codec_movvideo_tags, codec_movaudio_tags, 0},
1680 #ifdef CONFIG_TGP_MUXER
1681 AVOutputFormat tgp_muxer = {
1692 .flags = AVFMT_GLOBALHEADER,
1693 .codec_tag = (const AVCodecTag*[]){codec_3gp_tags, 0},
1696 #ifdef CONFIG_MP4_MUXER
1697 AVOutputFormat mp4_muxer = {
1708 .flags = AVFMT_GLOBALHEADER,
1709 .codec_tag = (const AVCodecTag*[]){ff_mp4_obj_type, 0},
1712 #ifdef CONFIG_PSP_MUXER
1713 AVOutputFormat psp_muxer = {
1724 .flags = AVFMT_GLOBALHEADER,
1725 .codec_tag = (const AVCodecTag*[]){ff_mp4_obj_type, 0},
1728 #ifdef CONFIG_TG2_MUXER
1729 AVOutputFormat tg2_muxer = {
1740 .flags = AVFMT_GLOBALHEADER,
1741 .codec_tag = (const AVCodecTag*[]){codec_3gp_tags, 0},
1744 #ifdef CONFIG_IPOD_MUXER
1745 AVOutputFormat ipod_muxer = {
1747 "iPod H.264 mp4 format",
1756 .flags = AVFMT_GLOBALHEADER,
1757 .codec_tag = (const AVCodecTag*[]){ff_mp4_obj_type, 0},