3 * Copyright (c) 2003 Thomas Raivio
4 * Copyright (c) 2004 Gildas Bazin <gbazin at videolan dot org>
5 * Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
7 * This file is part of FFmpeg.
9 * FFmpeg is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
14 * FFmpeg is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with FFmpeg; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
29 #include "libavcodec/get_bits.h"
30 #include "libavcodec/put_bits.h"
35 #define MOV_INDEX_CLUSTER_SIZE 16384
36 #define MOV_TIMESCALE 1000
41 #define MODE_PSP 0x08 // example working PSP command line:
42 // ffmpeg -i testinput.avi -f psp -r 14.985 -s 320x240 -b 768 -ar 24000 -ab 32 M4V00001.MP4
44 #define MODE_IPOD 0x20
46 typedef struct MOVIentry {
49 unsigned int samplesInChunk;
53 #define MOV_SYNC_SAMPLE 0x0001
54 #define MOV_PARTIAL_SYNC_SAMPLE 0x0002
58 typedef struct MOVIndex {
63 int64_t trackDuration;
67 #define MOV_TRACK_CTTS 0x0001
68 #define MOV_TRACK_STPS 0x0002
72 int tag; ///< stsd fourcc
79 int height; ///< active picture (w/o VBI) height for D-10/IMX
82 typedef struct MOVMuxContext {
91 //FIXME support 64 bit variant with wide placeholders
92 static int64_t updateSize(ByteIOContext *pb, int64_t pos)
94 int64_t curpos = url_ftell(pb);
95 url_fseek(pb, pos, SEEK_SET);
96 put_be32(pb, curpos - pos); /* rewrite size */
97 url_fseek(pb, curpos, SEEK_SET);
102 /* Chunk offset atom */
103 static int mov_write_stco_tag(ByteIOContext *pb, MOVTrack *track)
106 int mode64 = 0; // use 32 bit size variant if possible
107 int64_t pos = url_ftell(pb);
108 put_be32(pb, 0); /* size */
109 if (pos > UINT32_MAX) {
114 put_be32(pb, 0); /* version & flags */
115 put_be32(pb, track->entry); /* entry count */
116 for (i=0; i<track->entry; i++) {
118 put_be64(pb, track->cluster[i].pos);
120 put_be32(pb, track->cluster[i].pos);
122 return updateSize(pb, pos);
125 /* Sample size atom */
126 static int mov_write_stsz_tag(ByteIOContext *pb, MOVTrack *track)
129 int i, j, entries = 0, tst = -1, oldtst = -1;
131 int64_t pos = url_ftell(pb);
132 put_be32(pb, 0); /* size */
134 put_be32(pb, 0); /* version & flags */
136 for (i=0; i<track->entry; i++) {
137 tst = track->cluster[i].size/track->cluster[i].entries;
138 if(oldtst != -1 && tst != oldtst) {
142 entries += track->cluster[i].entries;
145 int sSize = track->cluster[0].size/track->cluster[0].entries;
146 put_be32(pb, sSize); // sample size
147 put_be32(pb, entries); // sample count
150 put_be32(pb, 0); // sample size
151 put_be32(pb, entries); // sample count
152 for (i=0; i<track->entry; i++) {
153 for (j=0; j<track->cluster[i].entries; j++) {
154 put_be32(pb, track->cluster[i].size /
155 track->cluster[i].entries);
159 return updateSize(pb, pos);
162 /* Sample to chunk atom */
163 static int mov_write_stsc_tag(ByteIOContext *pb, MOVTrack *track)
165 int index = 0, oldval = -1, i;
166 int64_t entryPos, curpos;
168 int64_t pos = url_ftell(pb);
169 put_be32(pb, 0); /* size */
171 put_be32(pb, 0); // version & flags
172 entryPos = url_ftell(pb);
173 put_be32(pb, track->entry); // entry count
174 for (i=0; i<track->entry; i++) {
175 if(oldval != track->cluster[i].samplesInChunk)
177 put_be32(pb, i+1); // first chunk
178 put_be32(pb, track->cluster[i].samplesInChunk); // samples per chunk
179 put_be32(pb, 0x1); // sample description index
180 oldval = track->cluster[i].samplesInChunk;
184 curpos = url_ftell(pb);
185 url_fseek(pb, entryPos, SEEK_SET);
186 put_be32(pb, index); // rewrite size
187 url_fseek(pb, curpos, SEEK_SET);
189 return updateSize(pb, pos);
192 /* Sync sample atom */
193 static int mov_write_stss_tag(ByteIOContext *pb, MOVTrack *track, uint32_t flag)
195 int64_t curpos, entryPos;
197 int64_t pos = url_ftell(pb);
198 put_be32(pb, 0); // size
199 put_tag(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
200 put_be32(pb, 0); // version & flags
201 entryPos = url_ftell(pb);
202 put_be32(pb, track->entry); // entry count
203 for (i=0; i<track->entry; i++) {
204 if (track->cluster[i].flags & flag) {
209 curpos = url_ftell(pb);
210 url_fseek(pb, entryPos, SEEK_SET);
211 put_be32(pb, index); // rewrite size
212 url_fseek(pb, curpos, SEEK_SET);
213 return updateSize(pb, pos);
216 static int mov_write_amr_tag(ByteIOContext *pb, MOVTrack *track)
218 put_be32(pb, 0x11); /* size */
219 if (track->mode == MODE_MOV) put_tag(pb, "samr");
220 else put_tag(pb, "damr");
222 put_byte(pb, 0); /* decoder version */
224 put_be16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
225 put_byte(pb, 0x00); /* Mode change period (no restriction) */
226 put_byte(pb, 0x01); /* Frames per sample */
230 static int mov_write_ac3_tag(ByteIOContext *pb, MOVTrack *track)
235 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
237 if (track->vosLen < 7)
243 init_get_bits(&gbc, track->vosData+4, track->vosLen-4);
244 fscod = get_bits(&gbc, 2);
245 frmsizecod = get_bits(&gbc, 6);
246 bsid = get_bits(&gbc, 5);
247 bsmod = get_bits(&gbc, 3);
248 acmod = get_bits(&gbc, 3);
250 skip_bits(&gbc, 2); // dsurmod
252 if ((acmod & 1) && acmod != 1)
253 skip_bits(&gbc, 2); // cmixlev
255 skip_bits(&gbc, 2); // surmixlev
257 lfeon = get_bits1(&gbc);
259 init_put_bits(&pbc, buf, sizeof(buf));
260 put_bits(&pbc, 2, fscod);
261 put_bits(&pbc, 5, bsid);
262 put_bits(&pbc, 3, bsmod);
263 put_bits(&pbc, 3, acmod);
264 put_bits(&pbc, 1, lfeon);
265 put_bits(&pbc, 5, frmsizecod>>1); // bit_rate_code
266 put_bits(&pbc, 5, 0); // reserved
268 flush_put_bits(&pbc);
269 put_buffer(pb, buf, sizeof(buf));
275 * This function writes extradata "as is".
276 * Extradata must be formated like a valid atom (with size and tag)
278 static int mov_write_extradata_tag(ByteIOContext *pb, MOVTrack *track)
280 put_buffer(pb, track->enc->extradata, track->enc->extradata_size);
281 return track->enc->extradata_size;
284 static int mov_write_enda_tag(ByteIOContext *pb)
288 put_be16(pb, 1); /* little endian */
292 static unsigned int descrLength(unsigned int len)
295 for(i=1; len>>(7*i); i++);
299 static void putDescr(ByteIOContext *pb, int tag, unsigned int size)
301 int i= descrLength(size) - size - 2;
304 put_byte(pb, (size>>(7*i)) | 0x80);
305 put_byte(pb, size & 0x7F);
308 static int mov_write_esds_tag(ByteIOContext *pb, MOVTrack *track) // Basic
310 int64_t pos = url_ftell(pb);
311 int decoderSpecificInfoLen = track->vosLen ? descrLength(track->vosLen):0;
313 put_be32(pb, 0); // size
315 put_be32(pb, 0); // Version
318 putDescr(pb, 0x03, 3 + descrLength(13 + decoderSpecificInfoLen) +
320 put_be16(pb, track->trackID);
321 put_byte(pb, 0x00); // flags (= no flags)
323 // DecoderConfig descriptor
324 putDescr(pb, 0x04, 13 + decoderSpecificInfoLen);
326 // Object type indication
327 if ((track->enc->codec_id == CODEC_ID_MP2 ||
328 track->enc->codec_id == CODEC_ID_MP3) &&
329 track->enc->sample_rate > 24000)
330 put_byte(pb, 0x6B); // 11172-3
332 put_byte(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
334 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
335 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
336 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
337 put_byte(pb, 0x15); // flags (= Audiostream)
339 put_byte(pb, 0x11); // flags (= Visualstream)
341 put_byte(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits)
342 put_be16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB
344 put_be32(pb, FFMAX(track->enc->bit_rate, track->enc->rc_max_rate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
345 if(track->enc->rc_max_rate != track->enc->rc_min_rate || track->enc->rc_min_rate==0)
346 put_be32(pb, 0); // vbr
348 put_be32(pb, track->enc->rc_max_rate); // avg bitrate
351 // DecoderSpecific info descriptor
352 putDescr(pb, 0x05, track->vosLen);
353 put_buffer(pb, track->vosData, track->vosLen);
357 putDescr(pb, 0x06, 1);
359 return updateSize(pb, pos);
362 static int mov_pcm_le_gt16(enum CodecID codec_id)
364 return codec_id == CODEC_ID_PCM_S24LE ||
365 codec_id == CODEC_ID_PCM_S32LE ||
366 codec_id == CODEC_ID_PCM_F32LE ||
367 codec_id == CODEC_ID_PCM_F64LE;
370 static int mov_write_wave_tag(ByteIOContext *pb, MOVTrack *track)
372 int64_t pos = url_ftell(pb);
374 put_be32(pb, 0); /* size */
377 put_be32(pb, 12); /* size */
379 put_le32(pb, track->tag);
381 if (track->enc->codec_id == CODEC_ID_AAC) {
382 /* useless atom needed by mplayer, ipod, not needed by quicktime */
383 put_be32(pb, 12); /* size */
386 mov_write_esds_tag(pb, track);
387 } else if (mov_pcm_le_gt16(track->enc->codec_id)) {
388 mov_write_enda_tag(pb);
389 } else if (track->enc->codec_id == CODEC_ID_AMR_NB) {
390 mov_write_amr_tag(pb, track);
391 } else if (track->enc->codec_id == CODEC_ID_AC3) {
392 mov_write_ac3_tag(pb, track);
393 } else if (track->enc->codec_id == CODEC_ID_ALAC) {
394 mov_write_extradata_tag(pb, track);
397 put_be32(pb, 8); /* size */
398 put_be32(pb, 0); /* null tag */
400 return updateSize(pb, pos);
403 static int mov_write_glbl_tag(ByteIOContext *pb, MOVTrack *track)
405 put_be32(pb, track->vosLen+8);
407 put_buffer(pb, track->vosData, track->vosLen);
408 return 8+track->vosLen;
412 * Compute flags for 'lpcm' tag.
413 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
415 static int mov_get_lpcm_flags(enum CodecID codec_id)
418 case CODEC_ID_PCM_F32BE:
419 case CODEC_ID_PCM_F64BE:
421 case CODEC_ID_PCM_F32LE:
422 case CODEC_ID_PCM_F64LE:
424 case CODEC_ID_PCM_U8:
426 case CODEC_ID_PCM_S16BE:
427 case CODEC_ID_PCM_S24BE:
428 case CODEC_ID_PCM_S32BE:
430 case CODEC_ID_PCM_S8:
431 case CODEC_ID_PCM_S16LE:
432 case CODEC_ID_PCM_S24LE:
433 case CODEC_ID_PCM_S32LE:
440 static int mov_write_audio_tag(ByteIOContext *pb, MOVTrack *track)
442 int64_t pos = url_ftell(pb);
444 uint32_t tag = track->tag;
446 if (track->mode == MODE_MOV) {
447 if (track->timescale > UINT16_MAX) {
448 if (mov_get_lpcm_flags(track->enc->codec_id))
449 tag = AV_RL32("lpcm");
451 } else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id)) {
456 put_be32(pb, 0); /* size */
457 put_le32(pb, tag); // store it byteswapped
458 put_be32(pb, 0); /* Reserved */
459 put_be16(pb, 0); /* Reserved */
460 put_be16(pb, 1); /* Data-reference index, XXX == 1 */
462 /* SoundDescription */
463 put_be16(pb, version); /* Version */
464 put_be16(pb, 0); /* Revision level */
465 put_be32(pb, 0); /* Reserved */
470 put_be16(pb, 0xfffe);
472 put_be32(pb, 0x00010000);
474 put_be64(pb, av_dbl2int(track->timescale));
475 put_be32(pb, track->enc->channels);
476 put_be32(pb, 0x7F000000);
477 put_be32(pb, av_get_bits_per_sample(track->enc->codec_id));
478 put_be32(pb, mov_get_lpcm_flags(track->enc->codec_id));
479 put_be32(pb, track->sampleSize);
480 put_be32(pb, track->enc->frame_size);
482 if (track->mode == MODE_MOV) {
483 put_be16(pb, track->enc->channels);
484 if (track->enc->codec_id == CODEC_ID_PCM_U8 ||
485 track->enc->codec_id == CODEC_ID_PCM_S8)
486 put_be16(pb, 8); /* bits per sample */
489 put_be16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
490 } else { /* reserved for mp4/3gp */
496 put_be16(pb, 0); /* packet size (= 0) */
497 put_be16(pb, track->timescale); /* Time scale */
498 put_be16(pb, 0); /* Reserved */
501 if(version == 1) { /* SoundDescription V1 extended info */
502 put_be32(pb, track->enc->frame_size); /* Samples per packet */
503 put_be32(pb, track->sampleSize / track->enc->channels); /* Bytes per packet */
504 put_be32(pb, track->sampleSize); /* Bytes per frame */
505 put_be32(pb, 2); /* Bytes per sample */
508 if(track->mode == MODE_MOV &&
509 (track->enc->codec_id == CODEC_ID_AAC ||
510 track->enc->codec_id == CODEC_ID_AC3 ||
511 track->enc->codec_id == CODEC_ID_AMR_NB ||
512 track->enc->codec_id == CODEC_ID_ALAC ||
513 mov_pcm_le_gt16(track->enc->codec_id)))
514 mov_write_wave_tag(pb, track);
515 else if(track->tag == MKTAG('m','p','4','a'))
516 mov_write_esds_tag(pb, track);
517 else if(track->enc->codec_id == CODEC_ID_AMR_NB)
518 mov_write_amr_tag(pb, track);
519 else if(track->enc->codec_id == CODEC_ID_AC3)
520 mov_write_ac3_tag(pb, track);
521 else if(track->enc->codec_id == CODEC_ID_ALAC)
522 mov_write_extradata_tag(pb, track);
523 else if(track->vosLen > 0)
524 mov_write_glbl_tag(pb, track);
526 return updateSize(pb, pos);
529 static int mov_write_d263_tag(ByteIOContext *pb)
531 put_be32(pb, 0xf); /* size */
534 put_byte(pb, 0); /* decoder version */
535 /* FIXME use AVCodecContext level/profile, when encoder will set values */
536 put_byte(pb, 0xa); /* level */
537 put_byte(pb, 0); /* profile */
541 /* TODO: No idea about these values */
542 static int mov_write_svq3_tag(ByteIOContext *pb)
548 put_be32(pb, 0xe2c0211d);
549 put_be32(pb, 0xc0000000);
554 static int mov_write_avcc_tag(ByteIOContext *pb, MOVTrack *track)
556 int64_t pos = url_ftell(pb);
560 ff_isom_write_avcc(pb, track->vosData, track->vosLen);
561 return updateSize(pb, pos);
564 /* also used by all avid codecs (dv, imx, meridien) and their variants */
565 static int mov_write_avid_tag(ByteIOContext *pb, MOVTrack *track)
568 put_be32(pb, 24); /* size */
572 put_be32(pb, 1); /* yuv 1 / rgb 2 ? */
573 put_be32(pb, 0); /* unknown */
575 put_be32(pb, 24); /* size */
579 put_be32(pb, 1); /* unknown */
580 put_be32(pb, 0); /* unknown */
582 put_be32(pb, 120); /* size */
586 put_be32(pb, AV_RB32(track->vosData + 0x28)); /* dnxhd cid, some id ? */
587 put_be32(pb, track->enc->width);
588 /* values below are based on samples created with quicktime and avid codecs */
589 if (track->vosData[5] & 2) { // interlaced
590 put_be32(pb, track->enc->height/2);
591 put_be32(pb, 2); /* unknown */
592 put_be32(pb, 0); /* unknown */
593 put_be32(pb, 4); /* unknown */
595 put_be32(pb, track->enc->height);
596 put_be32(pb, 1); /* unknown */
597 put_be32(pb, 0); /* unknown */
598 if (track->enc->height == 1080)
599 put_be32(pb, 5); /* unknown */
601 put_be32(pb, 6); /* unknown */
604 for (i = 0; i < 10; i++)
607 /* extra padding for stsd needed */
612 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
614 int tag = track->enc->codec_tag;
616 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
619 if (track->enc->codec_id == CODEC_ID_H264) tag = MKTAG('a','v','c','1');
620 else if (track->enc->codec_id == CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
621 else if (track->enc->codec_id == CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
622 else if (track->enc->codec_id == CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
623 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
624 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
629 static const AVCodecTag codec_ipod_tags[] = {
630 { CODEC_ID_H264, MKTAG('a','v','c','1') },
631 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
632 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
633 { CODEC_ID_ALAC, MKTAG('a','l','a','c') },
634 { CODEC_ID_AC3, MKTAG('a','c','-','3') },
635 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
636 { CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
637 { CODEC_ID_NONE, 0 },
640 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
642 int tag = track->enc->codec_tag;
644 // keep original tag for subs, ipod supports both formats
645 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
646 (tag == MKTAG('t','x','3','g') ||
647 tag == MKTAG('t','e','x','t'))))
648 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
650 if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v"))
651 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
652 "Quicktime/Ipod might not play the file\n");
657 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
661 if (track->enc->height == 480) /* NTSC */
662 if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
663 else tag = MKTAG('d','v','c',' ');
664 else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
665 else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
666 else tag = MKTAG('d','v','p','p');
671 static const struct {
672 enum PixelFormat pix_fmt;
675 } mov_pix_fmt_tags[] = {
676 { PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
677 { PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
678 { PIX_FMT_BGR555, MKTAG('r','a','w',' '), 16 },
679 { PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
680 { PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
681 { PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
682 { PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
683 { PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
684 { PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
685 { PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
686 { PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
689 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
691 int tag = track->enc->codec_tag;
694 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
695 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
696 tag = mov_pix_fmt_tags[i].tag;
697 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
705 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
707 int tag = track->enc->codec_tag;
709 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
710 (tag == MKTAG('d','v','c','p') ||
711 track->enc->codec_id == CODEC_ID_RAWVIDEO ||
712 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
713 if (track->enc->codec_id == CODEC_ID_DVVIDEO)
714 tag = mov_get_dv_codec_tag(s, track);
715 else if (track->enc->codec_id == CODEC_ID_RAWVIDEO)
716 tag = mov_get_rawvideo_codec_tag(s, track);
717 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
718 tag = ff_codec_get_tag(codec_movvideo_tags, track->enc->codec_id);
719 if (!tag) { // if no mac fcc found, try with Microsoft tags
720 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
722 av_log(s, AV_LOG_INFO, "Warning, using MS style video codec tag, "
723 "the file may be unplayable!\n");
725 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
726 tag = ff_codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
727 if (!tag) { // if no mac fcc found, try with Microsoft tags
728 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
730 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
731 av_log(s, AV_LOG_INFO, "Warning, using MS style audio codec tag, "
732 "the file may be unplayable!\n");
735 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
736 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
742 static const AVCodecTag codec_3gp_tags[] = {
743 { CODEC_ID_H263, MKTAG('s','2','6','3') },
744 { CODEC_ID_H264, MKTAG('a','v','c','1') },
745 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
746 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
747 { CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
748 { CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
749 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
750 { CODEC_ID_NONE, 0 },
753 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
755 int tag = track->enc->codec_tag;
757 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
758 tag = mp4_get_codec_tag(s, track);
759 else if (track->mode == MODE_IPOD)
760 tag = ipod_get_codec_tag(s, track);
761 else if (track->mode & MODE_3GP)
762 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
764 tag = mov_get_codec_tag(s, track);
770 * Needed to make file play in iPods running newest firmware
771 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
773 static int mov_write_uuid_tag_ipod(ByteIOContext *pb)
777 put_be32(pb, 0x6b6840f2);
778 put_be32(pb, 0x5f244fc5);
779 put_be32(pb, 0xba39a51b);
780 put_be32(pb, 0xcf0323f3);
785 static int mov_write_subtitle_tag(ByteIOContext *pb, MOVTrack *track)
787 int64_t pos = url_ftell(pb);
788 put_be32(pb, 0); /* size */
789 put_le32(pb, track->tag); // store it byteswapped
790 put_be32(pb, 0); /* Reserved */
791 put_be16(pb, 0); /* Reserved */
792 put_be16(pb, 1); /* Data-reference index */
794 if (track->enc->extradata_size)
795 put_buffer(pb, track->enc->extradata, track->enc->extradata_size);
797 return updateSize(pb, pos);
800 static int mov_write_video_tag(ByteIOContext *pb, MOVTrack *track)
802 int64_t pos = url_ftell(pb);
803 char compressor_name[32];
805 put_be32(pb, 0); /* size */
806 put_le32(pb, track->tag); // store it byteswapped
807 put_be32(pb, 0); /* Reserved */
808 put_be16(pb, 0); /* Reserved */
809 put_be16(pb, 1); /* Data-reference index */
811 put_be16(pb, 0); /* Codec stream version */
812 put_be16(pb, 0); /* Codec stream revision (=0) */
813 if (track->mode == MODE_MOV) {
814 put_tag(pb, "FFMP"); /* Vendor */
815 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
816 put_be32(pb, 0); /* Temporal Quality */
817 put_be32(pb, 0x400); /* Spatial Quality = lossless*/
819 put_be32(pb, 0x200); /* Temporal Quality = normal */
820 put_be32(pb, 0x200); /* Spatial Quality = normal */
823 put_be32(pb, 0); /* Reserved */
824 put_be32(pb, 0); /* Reserved */
825 put_be32(pb, 0); /* Reserved */
827 put_be16(pb, track->enc->width); /* Video width */
828 put_be16(pb, track->height); /* Video height */
829 put_be32(pb, 0x00480000); /* Horizontal resolution 72dpi */
830 put_be32(pb, 0x00480000); /* Vertical resolution 72dpi */
831 put_be32(pb, 0); /* Data size (= 0) */
832 put_be16(pb, 1); /* Frame count (= 1) */
834 memset(compressor_name,0,32);
835 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
836 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
837 strncpy(compressor_name,track->enc->codec->name,31);
838 put_byte(pb, strlen(compressor_name));
839 put_buffer(pb, compressor_name, 31);
841 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
842 put_be16(pb, track->enc->bits_per_coded_sample);
844 put_be16(pb, 0x18); /* Reserved */
845 put_be16(pb, 0xffff); /* Reserved */
846 if(track->tag == MKTAG('m','p','4','v'))
847 mov_write_esds_tag(pb, track);
848 else if(track->enc->codec_id == CODEC_ID_H263)
849 mov_write_d263_tag(pb);
850 else if(track->enc->codec_id == CODEC_ID_SVQ3)
851 mov_write_svq3_tag(pb);
852 else if(track->enc->codec_id == CODEC_ID_DNXHD)
853 mov_write_avid_tag(pb, track);
854 else if(track->enc->codec_id == CODEC_ID_H264) {
855 mov_write_avcc_tag(pb, track);
856 if(track->mode == MODE_IPOD)
857 mov_write_uuid_tag_ipod(pb);
858 } else if(track->vosLen > 0)
859 mov_write_glbl_tag(pb, track);
861 return updateSize(pb, pos);
864 static int mov_write_stsd_tag(ByteIOContext *pb, MOVTrack *track)
866 int64_t pos = url_ftell(pb);
867 put_be32(pb, 0); /* size */
869 put_be32(pb, 0); /* version & flags */
870 put_be32(pb, 1); /* entry count */
871 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
872 mov_write_video_tag(pb, track);
873 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
874 mov_write_audio_tag(pb, track);
875 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
876 mov_write_subtitle_tag(pb, track);
877 return updateSize(pb, pos);
880 static int mov_write_ctts_tag(ByteIOContext *pb, MOVTrack *track)
882 MOVStts *ctts_entries;
883 uint32_t entries = 0;
887 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
888 ctts_entries[0].count = 1;
889 ctts_entries[0].duration = track->cluster[0].cts;
890 for (i=1; i<track->entry; i++) {
891 if (track->cluster[i].cts == ctts_entries[entries].duration) {
892 ctts_entries[entries].count++; /* compress */
895 ctts_entries[entries].duration = track->cluster[i].cts;
896 ctts_entries[entries].count = 1;
899 entries++; /* last one */
900 atom_size = 16 + (entries * 8);
901 put_be32(pb, atom_size); /* size */
903 put_be32(pb, 0); /* version & flags */
904 put_be32(pb, entries); /* entry count */
905 for (i=0; i<entries; i++) {
906 put_be32(pb, ctts_entries[i].count);
907 put_be32(pb, ctts_entries[i].duration);
909 av_free(ctts_entries);
913 /* Time to sample atom */
914 static int mov_write_stts_tag(ByteIOContext *pb, MOVTrack *track)
916 MOVStts *stts_entries;
917 uint32_t entries = -1;
921 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
922 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
923 stts_entries[0].count = track->sampleCount;
924 stts_entries[0].duration = 1;
927 stts_entries = av_malloc(track->entry * sizeof(*stts_entries)); /* worst case */
928 for (i=0; i<track->entry; i++) {
929 int64_t duration = i + 1 == track->entry ?
930 track->trackDuration - track->cluster[i].dts + track->cluster[0].dts : /* readjusting */
931 track->cluster[i+1].dts - track->cluster[i].dts;
932 if (i && duration == stts_entries[entries].duration) {
933 stts_entries[entries].count++; /* compress */
936 stts_entries[entries].duration = duration;
937 stts_entries[entries].count = 1;
940 entries++; /* last one */
942 atom_size = 16 + (entries * 8);
943 put_be32(pb, atom_size); /* size */
945 put_be32(pb, 0); /* version & flags */
946 put_be32(pb, entries); /* entry count */
947 for (i=0; i<entries; i++) {
948 put_be32(pb, stts_entries[i].count);
949 put_be32(pb, stts_entries[i].duration);
951 av_free(stts_entries);
955 static int mov_write_dref_tag(ByteIOContext *pb)
957 put_be32(pb, 28); /* size */
959 put_be32(pb, 0); /* version & flags */
960 put_be32(pb, 1); /* entry count */
962 put_be32(pb, 0xc); /* size */
964 put_be32(pb, 1); /* version & flags */
969 static int mov_write_stbl_tag(ByteIOContext *pb, MOVTrack *track)
971 int64_t pos = url_ftell(pb);
972 put_be32(pb, 0); /* size */
974 mov_write_stsd_tag(pb, track);
975 mov_write_stts_tag(pb, track);
976 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
977 track->hasKeyframes && track->hasKeyframes < track->entry)
978 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
979 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
980 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
981 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
982 track->flags & MOV_TRACK_CTTS)
983 mov_write_ctts_tag(pb, track);
984 mov_write_stsc_tag(pb, track);
985 mov_write_stsz_tag(pb, track);
986 mov_write_stco_tag(pb, track);
987 return updateSize(pb, pos);
990 static int mov_write_dinf_tag(ByteIOContext *pb)
992 int64_t pos = url_ftell(pb);
993 put_be32(pb, 0); /* size */
995 mov_write_dref_tag(pb);
996 return updateSize(pb, pos);
999 static int mov_write_nmhd_tag(ByteIOContext *pb)
1002 put_tag(pb, "nmhd");
1007 static int mov_write_gmhd_tag(ByteIOContext *pb)
1009 put_be32(pb, 0x20); /* size */
1010 put_tag(pb, "gmhd");
1011 put_be32(pb, 0x18); /* gmin size */
1012 put_tag(pb, "gmin"); /* generic media info */
1013 put_be32(pb, 0); /* version & flags */
1014 put_be16(pb, 0x40); /* graphics mode = */
1015 put_be16(pb, 0x8000); /* opColor (r?) */
1016 put_be16(pb, 0x8000); /* opColor (g?) */
1017 put_be16(pb, 0x8000); /* opColor (b?) */
1018 put_be16(pb, 0); /* balance */
1019 put_be16(pb, 0); /* reserved */
1023 static int mov_write_smhd_tag(ByteIOContext *pb)
1025 put_be32(pb, 16); /* size */
1026 put_tag(pb, "smhd");
1027 put_be32(pb, 0); /* version & flags */
1028 put_be16(pb, 0); /* reserved (balance, normally = 0) */
1029 put_be16(pb, 0); /* reserved */
1033 static int mov_write_vmhd_tag(ByteIOContext *pb)
1035 put_be32(pb, 0x14); /* size (always 0x14) */
1036 put_tag(pb, "vmhd");
1037 put_be32(pb, 0x01); /* version & flags */
1038 put_be64(pb, 0); /* reserved (graphics mode = copy) */
1042 static int mov_write_hdlr_tag(ByteIOContext *pb, MOVTrack *track)
1044 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1045 int64_t pos = url_ftell(pb);
1047 if (!track) { /* no media --> data handler */
1050 descr = "DataHandler";
1052 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1053 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1055 descr = "VideoHandler";
1056 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1058 descr = "SoundHandler";
1059 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1060 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
1061 else hdlr_type = "text";
1062 descr = "SubtitleHandler";
1066 put_be32(pb, 0); /* size */
1067 put_tag(pb, "hdlr");
1068 put_be32(pb, 0); /* Version & flags */
1069 put_buffer(pb, hdlr, 4); /* handler */
1070 put_tag(pb, hdlr_type); /* handler type */
1071 put_be32(pb ,0); /* reserved */
1072 put_be32(pb ,0); /* reserved */
1073 put_be32(pb ,0); /* reserved */
1074 if (!track || track->mode == MODE_MOV)
1075 put_byte(pb, strlen(descr)); /* pascal string */
1076 put_buffer(pb, descr, strlen(descr)); /* handler description */
1077 if (track && track->mode != MODE_MOV)
1078 put_byte(pb, 0); /* c string */
1079 return updateSize(pb, pos);
1082 static int mov_write_minf_tag(ByteIOContext *pb, MOVTrack *track)
1084 int64_t pos = url_ftell(pb);
1085 put_be32(pb, 0); /* size */
1086 put_tag(pb, "minf");
1087 if(track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1088 mov_write_vmhd_tag(pb);
1089 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1090 mov_write_smhd_tag(pb);
1091 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1092 if (track->tag == MKTAG('t','e','x','t')) mov_write_gmhd_tag(pb);
1093 else mov_write_nmhd_tag(pb);
1095 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1096 mov_write_hdlr_tag(pb, NULL);
1097 mov_write_dinf_tag(pb);
1098 mov_write_stbl_tag(pb, track);
1099 return updateSize(pb, pos);
1102 static int mov_write_mdhd_tag(ByteIOContext *pb, MOVTrack *track)
1104 int version = track->trackDuration < INT32_MAX ? 0 : 1;
1106 (version == 1) ? put_be32(pb, 44) : put_be32(pb, 32); /* size */
1107 put_tag(pb, "mdhd");
1108 put_byte(pb, version);
1109 put_be24(pb, 0); /* flags */
1111 put_be64(pb, track->time);
1112 put_be64(pb, track->time);
1114 put_be32(pb, track->time); /* creation time */
1115 put_be32(pb, track->time); /* modification time */
1117 put_be32(pb, track->timescale); /* time scale (sample rate for audio) */
1118 (version == 1) ? put_be64(pb, track->trackDuration) : put_be32(pb, track->trackDuration); /* duration */
1119 put_be16(pb, track->language); /* language */
1120 put_be16(pb, 0); /* reserved (quality) */
1122 if(version!=0 && track->mode == MODE_MOV){
1123 av_log(NULL, AV_LOG_ERROR,
1124 "FATAL error, file duration too long for timebase, this file will not be\n"
1125 "playable with quicktime. Choose a different timebase or a different\n"
1126 "container format\n");
1132 static int mov_write_mdia_tag(ByteIOContext *pb, MOVTrack *track)
1134 int64_t pos = url_ftell(pb);
1135 put_be32(pb, 0); /* size */
1136 put_tag(pb, "mdia");
1137 mov_write_mdhd_tag(pb, track);
1138 mov_write_hdlr_tag(pb, track);
1139 mov_write_minf_tag(pb, track);
1140 return updateSize(pb, pos);
1143 static int mov_write_tkhd_tag(ByteIOContext *pb, MOVTrack *track, AVStream *st)
1145 int64_t duration = av_rescale_rnd(track->trackDuration, MOV_TIMESCALE,
1146 track->timescale, AV_ROUND_UP);
1147 int version = duration < INT32_MAX ? 0 : 1;
1149 (version == 1) ? put_be32(pb, 104) : put_be32(pb, 92); /* size */
1150 put_tag(pb, "tkhd");
1151 put_byte(pb, version);
1152 put_be24(pb, 0xf); /* flags (track enabled) */
1154 put_be64(pb, track->time);
1155 put_be64(pb, track->time);
1157 put_be32(pb, track->time); /* creation time */
1158 put_be32(pb, track->time); /* modification time */
1160 put_be32(pb, track->trackID); /* track-id */
1161 put_be32(pb, 0); /* reserved */
1162 (version == 1) ? put_be64(pb, duration) : put_be32(pb, duration);
1164 put_be32(pb, 0); /* reserved */
1165 put_be32(pb, 0); /* reserved */
1166 put_be32(pb, 0x0); /* reserved (Layer & Alternate group) */
1167 /* Volume, only for audio */
1168 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1169 put_be16(pb, 0x0100);
1172 put_be16(pb, 0); /* reserved */
1174 /* Matrix structure */
1175 put_be32(pb, 0x00010000); /* reserved */
1176 put_be32(pb, 0x0); /* reserved */
1177 put_be32(pb, 0x0); /* reserved */
1178 put_be32(pb, 0x0); /* reserved */
1179 put_be32(pb, 0x00010000); /* reserved */
1180 put_be32(pb, 0x0); /* reserved */
1181 put_be32(pb, 0x0); /* reserved */
1182 put_be32(pb, 0x0); /* reserved */
1183 put_be32(pb, 0x40000000); /* reserved */
1185 /* Track width and height, for visual only */
1186 if(track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1187 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1188 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1189 if(!sample_aspect_ratio || track->height != track->enc->height)
1190 sample_aspect_ratio = 1;
1191 put_be32(pb, sample_aspect_ratio * track->enc->width*0x10000);
1192 put_be32(pb, track->height*0x10000);
1201 // This box seems important for the psp playback ... without it the movie seems to hang
1202 static int mov_write_edts_tag(ByteIOContext *pb, MOVTrack *track)
1204 put_be32(pb, 0x24); /* size */
1205 put_tag(pb, "edts");
1206 put_be32(pb, 0x1c); /* size */
1207 put_tag(pb, "elst");
1211 /* duration ... doesn't seem to effect psp */
1212 put_be32(pb, av_rescale_rnd(track->trackDuration, MOV_TIMESCALE,
1213 track->timescale, AV_ROUND_UP));
1215 put_be32(pb, track->cluster[0].cts); /* first pts is cts since dts is 0 */
1216 put_be32(pb, 0x00010000);
1220 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1221 static int mov_write_uuid_tag_psp(ByteIOContext *pb, MOVTrack *mov)
1223 put_be32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1224 put_tag(pb, "uuid");
1225 put_tag(pb, "USMT");
1226 put_be32(pb, 0x21d24fce);
1227 put_be32(pb, 0xbb88695c);
1228 put_be32(pb, 0xfac9c740);
1229 put_be32(pb, 0x1c); // another size here!
1230 put_tag(pb, "MTDT");
1231 put_be32(pb, 0x00010012);
1233 put_be32(pb, 0x55c40000);
1239 static int mov_write_trak_tag(ByteIOContext *pb, MOVTrack *track, AVStream *st)
1241 int64_t pos = url_ftell(pb);
1242 put_be32(pb, 0); /* size */
1243 put_tag(pb, "trak");
1244 mov_write_tkhd_tag(pb, track, st);
1245 if (track->mode == MODE_PSP || track->flags & MOV_TRACK_CTTS)
1246 mov_write_edts_tag(pb, track); // PSP Movies require edts box
1247 mov_write_mdia_tag(pb, track);
1248 if (track->mode == MODE_PSP)
1249 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
1250 return updateSize(pb, pos);
1254 /* TODO: Not sorted out, but not necessary either */
1255 static int mov_write_iods_tag(ByteIOContext *pb, MOVMuxContext *mov)
1257 put_be32(pb, 0x15); /* size */
1258 put_tag(pb, "iods");
1259 put_be32(pb, 0); /* version & flags */
1260 put_be16(pb, 0x1007);
1262 put_be16(pb, 0x4fff);
1263 put_be16(pb, 0xfffe);
1264 put_be16(pb, 0x01ff);
1269 static int mov_write_mvhd_tag(ByteIOContext *pb, MOVMuxContext *mov)
1271 int maxTrackID = 1, i;
1272 int64_t maxTrackLenTemp, maxTrackLen = 0;
1275 for (i=0; i<mov->nb_streams; i++) {
1276 if(mov->tracks[i].entry > 0) {
1277 maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration,
1279 mov->tracks[i].timescale,
1281 if(maxTrackLen < maxTrackLenTemp)
1282 maxTrackLen = maxTrackLenTemp;
1283 if(maxTrackID < mov->tracks[i].trackID)
1284 maxTrackID = mov->tracks[i].trackID;
1288 version = maxTrackLen < UINT32_MAX ? 0 : 1;
1289 (version == 1) ? put_be32(pb, 120) : put_be32(pb, 108); /* size */
1290 put_tag(pb, "mvhd");
1291 put_byte(pb, version);
1292 put_be24(pb, 0); /* flags */
1294 put_be64(pb, mov->time);
1295 put_be64(pb, mov->time);
1297 put_be32(pb, mov->time); /* creation time */
1298 put_be32(pb, mov->time); /* modification time */
1300 put_be32(pb, MOV_TIMESCALE);
1301 (version == 1) ? put_be64(pb, maxTrackLen) : put_be32(pb, maxTrackLen); /* duration of longest track */
1303 put_be32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1304 put_be16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1305 put_be16(pb, 0); /* reserved */
1306 put_be32(pb, 0); /* reserved */
1307 put_be32(pb, 0); /* reserved */
1309 /* Matrix structure */
1310 put_be32(pb, 0x00010000); /* reserved */
1311 put_be32(pb, 0x0); /* reserved */
1312 put_be32(pb, 0x0); /* reserved */
1313 put_be32(pb, 0x0); /* reserved */
1314 put_be32(pb, 0x00010000); /* reserved */
1315 put_be32(pb, 0x0); /* reserved */
1316 put_be32(pb, 0x0); /* reserved */
1317 put_be32(pb, 0x0); /* reserved */
1318 put_be32(pb, 0x40000000); /* reserved */
1320 put_be32(pb, 0); /* reserved (preview time) */
1321 put_be32(pb, 0); /* reserved (preview duration) */
1322 put_be32(pb, 0); /* reserved (poster time) */
1323 put_be32(pb, 0); /* reserved (selection time) */
1324 put_be32(pb, 0); /* reserved (selection duration) */
1325 put_be32(pb, 0); /* reserved (current time) */
1326 put_be32(pb, maxTrackID+1); /* Next track id */
1330 static int mov_write_itunes_hdlr_tag(ByteIOContext *pb, MOVMuxContext *mov,
1333 put_be32(pb, 33); /* size */
1334 put_tag(pb, "hdlr");
1337 put_tag(pb, "mdir");
1338 put_tag(pb, "appl");
1345 /* helper function to write a data tag with the specified string as data */
1346 static int mov_write_string_data_tag(ByteIOContext *pb, const char *data, int lang, int long_style)
1349 int size = 16 + strlen(data);
1350 put_be32(pb, size); /* size */
1351 put_tag(pb, "data");
1354 put_buffer(pb, data, strlen(data));
1358 lang = ff_mov_iso639_to_lang("und", 1);
1359 put_be16(pb, strlen(data)); /* string length */
1361 put_buffer(pb, data, strlen(data));
1362 return strlen(data) + 4;
1366 static int mov_write_string_tag(ByteIOContext *pb, const char *name, const char *value, int lang, int long_style){
1368 if (value && value[0]) {
1369 int64_t pos = url_ftell(pb);
1370 put_be32(pb, 0); /* size */
1372 mov_write_string_data_tag(pb, value, lang, long_style);
1373 size= updateSize(pb, pos);
1378 static int mov_write_string_metadata(AVFormatContext *s, ByteIOContext *pb,
1379 const char *name, const char *tag,
1382 int l, lang = 0, len, len2;
1383 AVMetadataTag *t, *t2 = NULL;
1386 if (!(t = av_metadata_get(s->metadata, tag, NULL, 0)))
1389 len = strlen(t->key);
1390 snprintf(tag2, sizeof(tag2), "%s-", tag);
1391 while ((t2 = av_metadata_get(s->metadata, tag2, t2, AV_METADATA_IGNORE_SUFFIX))) {
1392 len2 = strlen(t2->key);
1393 if (len2 == len+4 && !strcmp(t->value, t2->value)
1394 && (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 1)) >= 0) {
1399 return mov_write_string_tag(pb, name, t->value, lang, long_style);
1402 /* iTunes track number */
1403 static int mov_write_trkn_tag(ByteIOContext *pb, MOVMuxContext *mov,
1406 AVMetadataTag *t = av_metadata_get(s->metadata, "track", NULL, 0);
1407 int size = 0, track = t ? atoi(t->value) : 0;
1409 put_be32(pb, 32); /* size */
1410 put_tag(pb, "trkn");
1411 put_be32(pb, 24); /* size */
1412 put_tag(pb, "data");
1413 put_be32(pb, 0); // 8 bytes empty
1415 put_be16(pb, 0); // empty
1416 put_be16(pb, track); // track number
1417 put_be16(pb, 0); // total track number
1418 put_be16(pb, 0); // empty
1424 /* iTunes meta data list */
1425 static int mov_write_ilst_tag(ByteIOContext *pb, MOVMuxContext *mov,
1428 int64_t pos = url_ftell(pb);
1429 put_be32(pb, 0); /* size */
1430 put_tag(pb, "ilst");
1431 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
1432 mov_write_string_metadata(s, pb, "\251ART", "author" , 1);
1433 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
1434 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
1435 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
1436 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
1437 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
1438 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
1439 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
1440 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
1441 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
1442 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
1443 mov_write_string_metadata(s, pb, "desc", "description",1);
1444 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
1445 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
1446 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
1447 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
1448 mov_write_trkn_tag(pb, mov, s);
1449 return updateSize(pb, pos);
1452 /* iTunes meta data tag */
1453 static int mov_write_meta_tag(ByteIOContext *pb, MOVMuxContext *mov,
1457 int64_t pos = url_ftell(pb);
1458 put_be32(pb, 0); /* size */
1459 put_tag(pb, "meta");
1461 mov_write_itunes_hdlr_tag(pb, mov, s);
1462 mov_write_ilst_tag(pb, mov, s);
1463 size = updateSize(pb, pos);
1467 static int utf8len(const uint8_t *b)
1472 GET_UTF8(val, *b++, return -1;)
1478 static int ascii_to_wc(ByteIOContext *pb, const uint8_t *b)
1482 GET_UTF8(val, *b++, return -1;)
1489 static uint16_t language_code(const char *str)
1491 return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
1494 static int mov_write_3gp_udta_tag(ByteIOContext *pb, AVFormatContext *s,
1495 const char *tag, const char *str)
1497 int64_t pos = url_ftell(pb);
1498 AVMetadataTag *t = av_metadata_get(s->metadata, str, NULL, 0);
1499 if (!t || !utf8len(t->value))
1501 put_be32(pb, 0); /* size */
1502 put_tag (pb, tag); /* type */
1503 put_be32(pb, 0); /* version + flags */
1504 if (!strcmp(tag, "yrrc"))
1505 put_be16(pb, atoi(t->value));
1507 put_be16(pb, language_code("eng")); /* language */
1508 put_buffer(pb, t->value, strlen(t->value)+1); /* UTF8 string value */
1509 if (!strcmp(tag, "albm") &&
1510 (t = av_metadata_get(s->metadata, "date", NULL, 0)))
1511 put_byte(pb, atoi(t->value));
1513 return updateSize(pb, pos);
1516 static int mov_write_chpl_tag(ByteIOContext *pb, AVFormatContext *s)
1518 int64_t pos = url_ftell(pb);
1519 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
1521 put_be32(pb, 0); // size
1522 put_tag (pb, "chpl");
1523 put_be32(pb, 0x01000000); // version + flags
1524 put_be32(pb, 0); // unknown
1525 put_byte(pb, nb_chapters);
1527 for (i = 0; i < nb_chapters; i++) {
1528 AVChapter *c = s->chapters[i];
1530 put_be64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
1532 if ((t = av_metadata_get(c->metadata, "title", NULL, 0))) {
1533 int len = FFMIN(strlen(t->value), 255);
1535 put_buffer(pb, t->value, len);
1539 return updateSize(pb, pos);
1542 static int mov_write_udta_tag(ByteIOContext *pb, MOVMuxContext *mov,
1545 ByteIOContext *pb_buf;
1549 for (i = 0; i < s->nb_streams; i++)
1550 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
1554 ret = url_open_dyn_buf(&pb_buf);
1558 if (mov->mode & MODE_3GP) {
1559 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
1560 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
1561 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
1562 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
1563 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
1564 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
1565 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
1566 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
1567 mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0);
1568 mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0);
1569 mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0);
1570 mov_write_string_metadata(s, pb_buf, "\251day", "date" , 0);
1571 mov_write_string_tag(pb_buf, "\251enc", LIBAVFORMAT_IDENT, 0, 0);
1572 mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0);
1573 mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0);
1574 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0);
1576 /* iTunes meta data */
1577 mov_write_meta_tag(pb_buf, mov, s);
1581 mov_write_chpl_tag(pb_buf, s);
1583 if ((size = url_close_dyn_buf(pb_buf, &buf)) > 0) {
1584 put_be32(pb, size+8);
1585 put_tag(pb, "udta");
1586 put_buffer(pb, buf, size);
1593 static void mov_write_psp_udta_tag(ByteIOContext *pb,
1594 const char *str, const char *lang, int type)
1596 int len = utf8len(str)+1;
1599 put_be16(pb, len*2+10); /* size */
1600 put_be32(pb, type); /* type */
1601 put_be16(pb, language_code(lang)); /* language */
1602 put_be16(pb, 0x01); /* ? */
1603 ascii_to_wc(pb, str);
1606 static int mov_write_uuidusmt_tag(ByteIOContext *pb, AVFormatContext *s)
1608 AVMetadataTag *title = av_metadata_get(s->metadata, "title", NULL, 0);
1612 pos = url_ftell(pb);
1613 put_be32(pb, 0); /* size placeholder*/
1614 put_tag(pb, "uuid");
1615 put_tag(pb, "USMT");
1616 put_be32(pb, 0x21d24fce); /* 96 bit UUID */
1617 put_be32(pb, 0xbb88695c);
1618 put_be32(pb, 0xfac9c740);
1620 pos2 = url_ftell(pb);
1621 put_be32(pb, 0); /* size placeholder*/
1622 put_tag(pb, "MTDT");
1626 put_be16(pb, 0x0C); /* size */
1627 put_be32(pb, 0x0B); /* type */
1628 put_be16(pb, language_code("und")); /* language */
1629 put_be16(pb, 0x0); /* ? */
1630 put_be16(pb, 0x021C); /* data */
1632 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
1633 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
1634 // 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);
1635 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
1637 updateSize(pb, pos2);
1638 return updateSize(pb, pos);
1644 static int mov_write_moov_tag(ByteIOContext *pb, MOVMuxContext *mov,
1648 int64_t pos = url_ftell(pb);
1649 put_be32(pb, 0); /* size placeholder*/
1650 put_tag(pb, "moov");
1652 for (i=0; i<mov->nb_streams; i++) {
1653 if(mov->tracks[i].entry <= 0) continue;
1655 mov->tracks[i].time = mov->time;
1656 mov->tracks[i].trackID = i+1;
1659 mov_write_mvhd_tag(pb, mov);
1660 //mov_write_iods_tag(pb, mov);
1661 for (i=0; i<mov->nb_streams; i++) {
1662 if(mov->tracks[i].entry > 0) {
1663 mov_write_trak_tag(pb, &(mov->tracks[i]), s->streams[i]);
1667 if (mov->mode == MODE_PSP)
1668 mov_write_uuidusmt_tag(pb, s);
1670 mov_write_udta_tag(pb, mov, s);
1672 return updateSize(pb, pos);
1675 static int mov_write_mdat_tag(ByteIOContext *pb, MOVMuxContext *mov)
1677 put_be32(pb, 8); // placeholder for extended size field (64 bit)
1678 put_tag(pb, mov->mode == MODE_MOV ? "wide" : "free");
1680 mov->mdat_pos = url_ftell(pb);
1681 put_be32(pb, 0); /* size placeholder*/
1682 put_tag(pb, "mdat");
1686 /* TODO: This needs to be more general */
1687 static int mov_write_ftyp_tag(ByteIOContext *pb, AVFormatContext *s)
1689 MOVMuxContext *mov = s->priv_data;
1690 int64_t pos = url_ftell(pb);
1691 int has_h264 = 0, has_video = 0;
1695 for (i = 0; i < s->nb_streams; i++) {
1696 AVStream *st = s->streams[i];
1697 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
1699 if (st->codec->codec_id == CODEC_ID_H264)
1703 put_be32(pb, 0); /* size */
1704 put_tag(pb, "ftyp");
1706 if (mov->mode == MODE_3GP) {
1707 put_tag(pb, has_h264 ? "3gp6" : "3gp4");
1708 minor = has_h264 ? 0x100 : 0x200;
1709 } else if (mov->mode & MODE_3G2) {
1710 put_tag(pb, has_h264 ? "3g2b" : "3g2a");
1711 minor = has_h264 ? 0x20000 : 0x10000;
1712 }else if (mov->mode == MODE_PSP)
1713 put_tag(pb, "MSNV");
1714 else if (mov->mode == MODE_MP4)
1715 put_tag(pb, "isom");
1716 else if (mov->mode == MODE_IPOD)
1717 put_tag(pb, has_video ? "M4V ":"M4A ");
1721 put_be32(pb, minor);
1723 if(mov->mode == MODE_MOV)
1726 put_tag(pb, "isom");
1727 put_tag(pb, "iso2");
1729 put_tag(pb, "avc1");
1732 if (mov->mode == MODE_3GP)
1733 put_tag(pb, has_h264 ? "3gp6":"3gp4");
1734 else if (mov->mode & MODE_3G2)
1735 put_tag(pb, has_h264 ? "3g2b":"3g2a");
1736 else if (mov->mode == MODE_PSP)
1737 put_tag(pb, "MSNV");
1738 else if (mov->mode == MODE_MP4)
1739 put_tag(pb, "mp41");
1740 return updateSize(pb, pos);
1743 static void mov_write_uuidprof_tag(ByteIOContext *pb, AVFormatContext *s)
1745 AVCodecContext *VideoCodec = s->streams[0]->codec;
1746 AVCodecContext *AudioCodec = s->streams[1]->codec;
1747 int AudioRate = AudioCodec->sample_rate;
1748 int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num);
1749 int audio_kbitrate= AudioCodec->bit_rate / 1000;
1750 int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate);
1752 put_be32(pb, 0x94); /* size */
1753 put_tag(pb, "uuid");
1754 put_tag(pb, "PROF");
1756 put_be32(pb, 0x21d24fce); /* 96 bit UUID */
1757 put_be32(pb, 0xbb88695c);
1758 put_be32(pb, 0xfac9c740);
1760 put_be32(pb, 0x0); /* ? */
1761 put_be32(pb, 0x3); /* 3 sections ? */
1763 put_be32(pb, 0x14); /* size */
1764 put_tag(pb, "FPRF");
1765 put_be32(pb, 0x0); /* ? */
1766 put_be32(pb, 0x0); /* ? */
1767 put_be32(pb, 0x0); /* ? */
1769 put_be32(pb, 0x2c); /* size */
1770 put_tag(pb, "APRF"); /* audio */
1772 put_be32(pb, 0x2); /* TrackID */
1773 put_tag(pb, "mp4a");
1774 put_be32(pb, 0x20f);
1776 put_be32(pb, audio_kbitrate);
1777 put_be32(pb, audio_kbitrate);
1778 put_be32(pb, AudioRate);
1779 put_be32(pb, AudioCodec->channels);
1781 put_be32(pb, 0x34); /* size */
1782 put_tag(pb, "VPRF"); /* video */
1784 put_be32(pb, 0x1); /* TrackID */
1785 if (VideoCodec->codec_id == CODEC_ID_H264) {
1786 put_tag(pb, "avc1");
1787 put_be16(pb, 0x014D);
1788 put_be16(pb, 0x0015);
1790 put_tag(pb, "mp4v");
1791 put_be16(pb, 0x0000);
1792 put_be16(pb, 0x0103);
1795 put_be32(pb, video_kbitrate);
1796 put_be32(pb, video_kbitrate);
1797 put_be32(pb, FrameRate);
1798 put_be32(pb, FrameRate);
1799 put_be16(pb, VideoCodec->width);
1800 put_be16(pb, VideoCodec->height);
1801 put_be32(pb, 0x010001); /* ? */
1804 static int mov_write_header(AVFormatContext *s)
1806 ByteIOContext *pb = s->pb;
1807 MOVMuxContext *mov = s->priv_data;
1810 if (url_is_streamed(s->pb)) {
1811 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
1815 /* Default mode == MP4 */
1816 mov->mode = MODE_MP4;
1818 if (s->oformat != NULL) {
1819 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
1820 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
1821 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
1822 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
1823 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
1825 mov_write_ftyp_tag(pb,s);
1826 if (mov->mode == MODE_PSP) {
1827 if (s->nb_streams != 2) {
1828 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
1831 mov_write_uuidprof_tag(pb,s);
1835 mov->tracks = av_mallocz(s->nb_streams*sizeof(*mov->tracks));
1837 return AVERROR(ENOMEM);
1839 for(i=0; i<s->nb_streams; i++){
1840 AVStream *st= s->streams[i];
1841 MOVTrack *track= &mov->tracks[i];
1842 AVMetadataTag *lang = av_metadata_get(st->metadata, "language", NULL,0);
1844 track->enc = st->codec;
1845 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
1846 if (track->language < 0)
1847 track->language = 0;
1848 track->mode = mov->mode;
1849 track->tag = mov_find_codec_tag(s, track);
1851 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
1852 "codec not currently supported in container\n", i);
1855 if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
1856 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
1857 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
1858 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
1859 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
1860 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
1863 track->height = track->tag>>24 == 'n' ? 486 : 576;
1865 track->timescale = st->codec->time_base.den;
1866 if (track->mode == MODE_MOV && track->timescale > 100000)
1867 av_log(s, AV_LOG_WARNING,
1868 "WARNING codec timebase is very high. If duration is too long,\n"
1869 "file may not be playable by quicktime. Specify a shorter timebase\n"
1870 "or choose different container.\n");
1871 }else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
1872 track->timescale = st->codec->sample_rate;
1873 if(!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
1874 av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
1876 }else if(st->codec->frame_size > 1){ /* assume compressed audio */
1877 track->audio_vbr = 1;
1879 st->codec->frame_size = 1;
1880 track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
1882 if (track->mode != MODE_MOV) {
1883 if (track->timescale > UINT16_MAX) {
1884 av_log(s, AV_LOG_ERROR, "track %d: output format does not support "
1885 "sample rate %dhz\n", i, track->timescale);
1888 if (track->enc->codec_id == CODEC_ID_MP3 && track->timescale < 16000) {
1889 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
1890 i, track->enc->sample_rate);
1894 }else if(st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE){
1895 track->timescale = st->codec->time_base.den;
1898 track->height = st->codec->height;
1900 av_set_pts_info(st, 64, 1, track->timescale);
1903 mov_write_mdat_tag(pb, mov);
1904 mov->time = s->timestamp + 0x7C25B080; //1970 based -> 1904 based
1905 mov->nb_streams = s->nb_streams;
1907 put_flush_packet(pb);
1911 av_freep(&mov->tracks);
1915 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
1918 int i, closed_gop = 0;
1920 for (i = 0; i < pkt->size - 4; i++) {
1921 c = (c<<8) + pkt->data[i];
1922 if (c == 0x1b8) { // gop
1923 closed_gop = pkt->data[i+4]>>6 & 0x01;
1924 } else if (c == 0x100) { // pic
1925 int temp_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
1926 if (!temp_ref || closed_gop) // I picture is not reordered
1927 *flags = MOV_SYNC_SAMPLE;
1929 *flags = MOV_PARTIAL_SYNC_SAMPLE;
1936 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
1938 MOVMuxContext *mov = s->priv_data;
1939 ByteIOContext *pb = s->pb;
1940 MOVTrack *trk = &mov->tracks[pkt->stream_index];
1941 AVCodecContext *enc = trk->enc;
1942 unsigned int samplesInChunk = 0;
1943 int size= pkt->size;
1945 if (url_is_streamed(s->pb)) return 0; /* Can't handle that */
1946 if (!size) return 0; /* Discard 0 sized packets */
1948 if (enc->codec_id == CODEC_ID_AMR_NB) {
1949 /* We must find out how many AMR blocks there are in one packet */
1950 static uint16_t packed_size[16] =
1951 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 0};
1954 while (len < size && samplesInChunk < 100) {
1955 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
1958 if(samplesInChunk > 1){
1959 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
1962 } else if (trk->sampleSize)
1963 samplesInChunk = size/trk->sampleSize;
1967 /* copy extradata if it exists */
1968 if (trk->vosLen == 0 && enc->extradata_size > 0) {
1969 trk->vosLen = enc->extradata_size;
1970 trk->vosData = av_malloc(trk->vosLen);
1971 memcpy(trk->vosData, enc->extradata, trk->vosLen);
1974 if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) {
1975 /* from x264 or from bytestream h264 */
1976 /* nal reformating needed */
1977 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
1979 put_buffer(pb, pkt->data, size);
1982 if ((enc->codec_id == CODEC_ID_DNXHD ||
1983 enc->codec_id == CODEC_ID_AC3) && !trk->vosLen) {
1984 /* copy frame to create needed atoms */
1986 trk->vosData = av_malloc(size);
1988 return AVERROR(ENOMEM);
1989 memcpy(trk->vosData, pkt->data, size);
1992 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
1993 trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster));
1998 trk->cluster[trk->entry].pos = url_ftell(pb) - size;
1999 trk->cluster[trk->entry].samplesInChunk = samplesInChunk;
2000 trk->cluster[trk->entry].size = size;
2001 trk->cluster[trk->entry].entries = samplesInChunk;
2002 trk->cluster[trk->entry].dts = pkt->dts;
2003 trk->trackDuration = pkt->dts - trk->cluster[0].dts + pkt->duration;
2005 if (pkt->pts == AV_NOPTS_VALUE) {
2006 av_log(s, AV_LOG_WARNING, "pts has no value\n");
2007 pkt->pts = pkt->dts;
2009 if (pkt->dts != pkt->pts)
2010 trk->flags |= MOV_TRACK_CTTS;
2011 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
2012 trk->cluster[trk->entry].flags = 0;
2013 if (pkt->flags & AV_PKT_FLAG_KEY) {
2014 if (mov->mode == MODE_MOV && enc->codec_id == CODEC_ID_MPEG2VIDEO) {
2015 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
2016 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
2017 trk->flags |= MOV_TRACK_STPS;
2019 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
2021 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
2022 trk->hasKeyframes++;
2025 trk->sampleCount += samplesInChunk;
2026 mov->mdat_size += size;
2028 put_flush_packet(pb);
2032 static int mov_write_trailer(AVFormatContext *s)
2034 MOVMuxContext *mov = s->priv_data;
2035 ByteIOContext *pb = s->pb;
2039 int64_t moov_pos = url_ftell(pb);
2041 /* Write size of mdat tag */
2042 if (mov->mdat_size+8 <= UINT32_MAX) {
2043 url_fseek(pb, mov->mdat_pos, SEEK_SET);
2044 put_be32(pb, mov->mdat_size+8);
2046 /* overwrite 'wide' placeholder atom */
2047 url_fseek(pb, mov->mdat_pos - 8, SEEK_SET);
2048 put_be32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */
2049 put_tag(pb, "mdat");
2050 put_be64(pb, mov->mdat_size+16);
2052 url_fseek(pb, moov_pos, SEEK_SET);
2054 mov_write_moov_tag(pb, mov, s);
2056 for (i=0; i<mov->nb_streams; i++) {
2057 av_freep(&mov->tracks[i].cluster);
2059 if(mov->tracks[i].vosLen) av_free(mov->tracks[i].vosData);
2063 put_flush_packet(pb);
2065 av_freep(&mov->tracks);
2070 #if CONFIG_MOV_MUXER
2071 AVOutputFormat mov_muxer = {
2073 NULL_IF_CONFIG_SMALL("MOV format"),
2076 sizeof(MOVMuxContext),
2082 .flags = AVFMT_GLOBALHEADER | AVFMT_VARIABLE_FPS,
2083 .codec_tag = (const AVCodecTag* const []){codec_movvideo_tags, codec_movaudio_tags, 0},
2086 #if CONFIG_TGP_MUXER
2087 AVOutputFormat tgp_muxer = {
2089 NULL_IF_CONFIG_SMALL("3GP format"),
2092 sizeof(MOVMuxContext),
2098 .flags = AVFMT_GLOBALHEADER,
2099 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
2102 #if CONFIG_MP4_MUXER
2103 AVOutputFormat mp4_muxer = {
2105 NULL_IF_CONFIG_SMALL("MP4 format"),
2108 sizeof(MOVMuxContext),
2114 .flags = AVFMT_GLOBALHEADER | AVFMT_VARIABLE_FPS,
2115 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
2118 #if CONFIG_PSP_MUXER
2119 AVOutputFormat psp_muxer = {
2121 NULL_IF_CONFIG_SMALL("PSP MP4 format"),
2124 sizeof(MOVMuxContext),
2130 .flags = AVFMT_GLOBALHEADER,
2131 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
2134 #if CONFIG_TG2_MUXER
2135 AVOutputFormat tg2_muxer = {
2137 NULL_IF_CONFIG_SMALL("3GP2 format"),
2140 sizeof(MOVMuxContext),
2146 .flags = AVFMT_GLOBALHEADER,
2147 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
2150 #if CONFIG_IPOD_MUXER
2151 AVOutputFormat ipod_muxer = {
2153 NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"),
2156 sizeof(MOVMuxContext),
2162 .flags = AVFMT_GLOBALHEADER,
2163 .codec_tag = (const AVCodecTag* const []){codec_ipod_tags, 0},