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
30 #include "libavcodec/get_bits.h"
31 #include "libavcodec/put_bits.h"
33 #include "libavutil/avstring.h"
38 //FIXME support 64 bit variant with wide placeholders
39 static int64_t updateSize(ByteIOContext *pb, int64_t pos)
41 int64_t curpos = url_ftell(pb);
42 url_fseek(pb, pos, SEEK_SET);
43 put_be32(pb, curpos - pos); /* rewrite size */
44 url_fseek(pb, curpos, SEEK_SET);
49 /* Chunk offset atom */
50 static int mov_write_stco_tag(ByteIOContext *pb, MOVTrack *track)
53 int mode64 = 0; // use 32 bit size variant if possible
54 int64_t pos = url_ftell(pb);
55 put_be32(pb, 0); /* size */
56 if (pos > UINT32_MAX) {
61 put_be32(pb, 0); /* version & flags */
62 put_be32(pb, track->entry); /* entry count */
63 for (i=0; i<track->entry; i++) {
65 put_be64(pb, track->cluster[i].pos);
67 put_be32(pb, track->cluster[i].pos);
69 return updateSize(pb, pos);
72 /* Sample size atom */
73 static int mov_write_stsz_tag(ByteIOContext *pb, MOVTrack *track)
76 int i, j, entries = 0, tst = -1, oldtst = -1;
78 int64_t pos = url_ftell(pb);
79 put_be32(pb, 0); /* size */
81 put_be32(pb, 0); /* version & flags */
83 for (i=0; i<track->entry; i++) {
84 tst = track->cluster[i].size/track->cluster[i].entries;
85 if(oldtst != -1 && tst != oldtst) {
89 entries += track->cluster[i].entries;
92 int sSize = track->cluster[0].size/track->cluster[0].entries;
93 put_be32(pb, sSize); // sample size
94 put_be32(pb, entries); // sample count
97 put_be32(pb, 0); // sample size
98 put_be32(pb, entries); // sample count
99 for (i=0; i<track->entry; i++) {
100 for (j=0; j<track->cluster[i].entries; j++) {
101 put_be32(pb, track->cluster[i].size /
102 track->cluster[i].entries);
106 return updateSize(pb, pos);
109 /* Sample to chunk atom */
110 static int mov_write_stsc_tag(ByteIOContext *pb, MOVTrack *track)
112 int index = 0, oldval = -1, i;
113 int64_t entryPos, curpos;
115 int64_t pos = url_ftell(pb);
116 put_be32(pb, 0); /* size */
118 put_be32(pb, 0); // version & flags
119 entryPos = url_ftell(pb);
120 put_be32(pb, track->entry); // entry count
121 for (i=0; i<track->entry; i++) {
122 if(oldval != track->cluster[i].samplesInChunk)
124 put_be32(pb, i+1); // first chunk
125 put_be32(pb, track->cluster[i].samplesInChunk); // samples per chunk
126 put_be32(pb, 0x1); // sample description index
127 oldval = track->cluster[i].samplesInChunk;
131 curpos = url_ftell(pb);
132 url_fseek(pb, entryPos, SEEK_SET);
133 put_be32(pb, index); // rewrite size
134 url_fseek(pb, curpos, SEEK_SET);
136 return updateSize(pb, pos);
139 /* Sync sample atom */
140 static int mov_write_stss_tag(ByteIOContext *pb, MOVTrack *track, uint32_t flag)
142 int64_t curpos, entryPos;
144 int64_t pos = url_ftell(pb);
145 put_be32(pb, 0); // size
146 put_tag(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
147 put_be32(pb, 0); // version & flags
148 entryPos = url_ftell(pb);
149 put_be32(pb, track->entry); // entry count
150 for (i=0; i<track->entry; i++) {
151 if (track->cluster[i].flags & flag) {
156 curpos = url_ftell(pb);
157 url_fseek(pb, entryPos, SEEK_SET);
158 put_be32(pb, index); // rewrite size
159 url_fseek(pb, curpos, SEEK_SET);
160 return updateSize(pb, pos);
163 static int mov_write_amr_tag(ByteIOContext *pb, MOVTrack *track)
165 put_be32(pb, 0x11); /* size */
166 if (track->mode == MODE_MOV) put_tag(pb, "samr");
167 else put_tag(pb, "damr");
169 put_byte(pb, 0); /* decoder version */
171 put_be16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
172 put_byte(pb, 0x00); /* Mode change period (no restriction) */
173 put_byte(pb, 0x01); /* Frames per sample */
177 static int mov_write_ac3_tag(ByteIOContext *pb, MOVTrack *track)
182 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
184 if (track->vosLen < 7)
190 init_get_bits(&gbc, track->vosData+4, track->vosLen-4);
191 fscod = get_bits(&gbc, 2);
192 frmsizecod = get_bits(&gbc, 6);
193 bsid = get_bits(&gbc, 5);
194 bsmod = get_bits(&gbc, 3);
195 acmod = get_bits(&gbc, 3);
197 skip_bits(&gbc, 2); // dsurmod
199 if ((acmod & 1) && acmod != 1)
200 skip_bits(&gbc, 2); // cmixlev
202 skip_bits(&gbc, 2); // surmixlev
204 lfeon = get_bits1(&gbc);
206 init_put_bits(&pbc, buf, sizeof(buf));
207 put_bits(&pbc, 2, fscod);
208 put_bits(&pbc, 5, bsid);
209 put_bits(&pbc, 3, bsmod);
210 put_bits(&pbc, 3, acmod);
211 put_bits(&pbc, 1, lfeon);
212 put_bits(&pbc, 5, frmsizecod>>1); // bit_rate_code
213 put_bits(&pbc, 5, 0); // reserved
215 flush_put_bits(&pbc);
216 put_buffer(pb, buf, sizeof(buf));
222 * This function writes extradata "as is".
223 * Extradata must be formated like a valid atom (with size and tag)
225 static int mov_write_extradata_tag(ByteIOContext *pb, MOVTrack *track)
227 put_buffer(pb, track->enc->extradata, track->enc->extradata_size);
228 return track->enc->extradata_size;
231 static int mov_write_enda_tag(ByteIOContext *pb)
235 put_be16(pb, 1); /* little endian */
239 static unsigned int descrLength(unsigned int len)
242 for(i=1; len>>(7*i); i++);
246 static void putDescr(ByteIOContext *pb, int tag, unsigned int size)
248 int i= descrLength(size) - size - 2;
251 put_byte(pb, (size>>(7*i)) | 0x80);
252 put_byte(pb, size & 0x7F);
255 static int mov_write_esds_tag(ByteIOContext *pb, MOVTrack *track) // Basic
257 int64_t pos = url_ftell(pb);
258 int decoderSpecificInfoLen = track->vosLen ? descrLength(track->vosLen):0;
260 put_be32(pb, 0); // size
262 put_be32(pb, 0); // Version
265 putDescr(pb, 0x03, 3 + descrLength(13 + decoderSpecificInfoLen) +
267 put_be16(pb, track->trackID);
268 put_byte(pb, 0x00); // flags (= no flags)
270 // DecoderConfig descriptor
271 putDescr(pb, 0x04, 13 + decoderSpecificInfoLen);
273 // Object type indication
274 if ((track->enc->codec_id == CODEC_ID_MP2 ||
275 track->enc->codec_id == CODEC_ID_MP3) &&
276 track->enc->sample_rate > 24000)
277 put_byte(pb, 0x6B); // 11172-3
279 put_byte(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
281 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
282 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
283 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
284 put_byte(pb, 0x15); // flags (= Audiostream)
286 put_byte(pb, 0x11); // flags (= Visualstream)
288 put_byte(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits)
289 put_be16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB
291 put_be32(pb, FFMAX(track->enc->bit_rate, track->enc->rc_max_rate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
292 if(track->enc->rc_max_rate != track->enc->rc_min_rate || track->enc->rc_min_rate==0)
293 put_be32(pb, 0); // vbr
295 put_be32(pb, track->enc->rc_max_rate); // avg bitrate
298 // DecoderSpecific info descriptor
299 putDescr(pb, 0x05, track->vosLen);
300 put_buffer(pb, track->vosData, track->vosLen);
304 putDescr(pb, 0x06, 1);
306 return updateSize(pb, pos);
309 static int mov_pcm_le_gt16(enum CodecID codec_id)
311 return codec_id == CODEC_ID_PCM_S24LE ||
312 codec_id == CODEC_ID_PCM_S32LE ||
313 codec_id == CODEC_ID_PCM_F32LE ||
314 codec_id == CODEC_ID_PCM_F64LE;
317 static int mov_write_wave_tag(ByteIOContext *pb, MOVTrack *track)
319 int64_t pos = url_ftell(pb);
321 put_be32(pb, 0); /* size */
324 put_be32(pb, 12); /* size */
326 put_le32(pb, track->tag);
328 if (track->enc->codec_id == CODEC_ID_AAC) {
329 /* useless atom needed by mplayer, ipod, not needed by quicktime */
330 put_be32(pb, 12); /* size */
333 mov_write_esds_tag(pb, track);
334 } else if (mov_pcm_le_gt16(track->enc->codec_id)) {
335 mov_write_enda_tag(pb);
336 } else if (track->enc->codec_id == CODEC_ID_AMR_NB) {
337 mov_write_amr_tag(pb, track);
338 } else if (track->enc->codec_id == CODEC_ID_AC3) {
339 mov_write_ac3_tag(pb, track);
340 } else if (track->enc->codec_id == CODEC_ID_ALAC) {
341 mov_write_extradata_tag(pb, track);
344 put_be32(pb, 8); /* size */
345 put_be32(pb, 0); /* null tag */
347 return updateSize(pb, pos);
350 static int mov_write_glbl_tag(ByteIOContext *pb, MOVTrack *track)
352 put_be32(pb, track->vosLen+8);
354 put_buffer(pb, track->vosData, track->vosLen);
355 return 8+track->vosLen;
359 * Compute flags for 'lpcm' tag.
360 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
362 static int mov_get_lpcm_flags(enum CodecID codec_id)
365 case CODEC_ID_PCM_F32BE:
366 case CODEC_ID_PCM_F64BE:
368 case CODEC_ID_PCM_F32LE:
369 case CODEC_ID_PCM_F64LE:
371 case CODEC_ID_PCM_U8:
373 case CODEC_ID_PCM_S16BE:
374 case CODEC_ID_PCM_S24BE:
375 case CODEC_ID_PCM_S32BE:
377 case CODEC_ID_PCM_S8:
378 case CODEC_ID_PCM_S16LE:
379 case CODEC_ID_PCM_S24LE:
380 case CODEC_ID_PCM_S32LE:
387 static int mov_write_audio_tag(ByteIOContext *pb, MOVTrack *track)
389 int64_t pos = url_ftell(pb);
391 uint32_t tag = track->tag;
393 if (track->mode == MODE_MOV) {
394 if (track->timescale > UINT16_MAX) {
395 if (mov_get_lpcm_flags(track->enc->codec_id))
396 tag = AV_RL32("lpcm");
398 } else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id)) {
403 put_be32(pb, 0); /* size */
404 put_le32(pb, tag); // store it byteswapped
405 put_be32(pb, 0); /* Reserved */
406 put_be16(pb, 0); /* Reserved */
407 put_be16(pb, 1); /* Data-reference index, XXX == 1 */
409 /* SoundDescription */
410 put_be16(pb, version); /* Version */
411 put_be16(pb, 0); /* Revision level */
412 put_be32(pb, 0); /* Reserved */
417 put_be16(pb, 0xfffe);
419 put_be32(pb, 0x00010000);
421 put_be64(pb, av_dbl2int(track->timescale));
422 put_be32(pb, track->enc->channels);
423 put_be32(pb, 0x7F000000);
424 put_be32(pb, av_get_bits_per_sample(track->enc->codec_id));
425 put_be32(pb, mov_get_lpcm_flags(track->enc->codec_id));
426 put_be32(pb, track->sampleSize);
427 put_be32(pb, track->enc->frame_size);
429 if (track->mode == MODE_MOV) {
430 put_be16(pb, track->enc->channels);
431 if (track->enc->codec_id == CODEC_ID_PCM_U8 ||
432 track->enc->codec_id == CODEC_ID_PCM_S8)
433 put_be16(pb, 8); /* bits per sample */
436 put_be16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
437 } else { /* reserved for mp4/3gp */
443 put_be16(pb, 0); /* packet size (= 0) */
444 put_be16(pb, track->timescale); /* Time scale */
445 put_be16(pb, 0); /* Reserved */
448 if(version == 1) { /* SoundDescription V1 extended info */
449 put_be32(pb, track->enc->frame_size); /* Samples per packet */
450 put_be32(pb, track->sampleSize / track->enc->channels); /* Bytes per packet */
451 put_be32(pb, track->sampleSize); /* Bytes per frame */
452 put_be32(pb, 2); /* Bytes per sample */
455 if(track->mode == MODE_MOV &&
456 (track->enc->codec_id == CODEC_ID_AAC ||
457 track->enc->codec_id == CODEC_ID_AC3 ||
458 track->enc->codec_id == CODEC_ID_AMR_NB ||
459 track->enc->codec_id == CODEC_ID_ALAC ||
460 mov_pcm_le_gt16(track->enc->codec_id)))
461 mov_write_wave_tag(pb, track);
462 else if(track->tag == MKTAG('m','p','4','a'))
463 mov_write_esds_tag(pb, track);
464 else if(track->enc->codec_id == CODEC_ID_AMR_NB)
465 mov_write_amr_tag(pb, track);
466 else if(track->enc->codec_id == CODEC_ID_AC3)
467 mov_write_ac3_tag(pb, track);
468 else if(track->enc->codec_id == CODEC_ID_ALAC)
469 mov_write_extradata_tag(pb, track);
470 else if(track->vosLen > 0)
471 mov_write_glbl_tag(pb, track);
473 return updateSize(pb, pos);
476 static int mov_write_d263_tag(ByteIOContext *pb)
478 put_be32(pb, 0xf); /* size */
481 put_byte(pb, 0); /* decoder version */
482 /* FIXME use AVCodecContext level/profile, when encoder will set values */
483 put_byte(pb, 0xa); /* level */
484 put_byte(pb, 0); /* profile */
488 /* TODO: No idea about these values */
489 static int mov_write_svq3_tag(ByteIOContext *pb)
495 put_be32(pb, 0xe2c0211d);
496 put_be32(pb, 0xc0000000);
501 static int mov_write_avcc_tag(ByteIOContext *pb, MOVTrack *track)
503 int64_t pos = url_ftell(pb);
507 ff_isom_write_avcc(pb, track->vosData, track->vosLen);
508 return updateSize(pb, pos);
511 /* also used by all avid codecs (dv, imx, meridien) and their variants */
512 static int mov_write_avid_tag(ByteIOContext *pb, MOVTrack *track)
515 put_be32(pb, 24); /* size */
519 put_be32(pb, 1); /* yuv 1 / rgb 2 ? */
520 put_be32(pb, 0); /* unknown */
522 put_be32(pb, 24); /* size */
526 put_be32(pb, 1); /* unknown */
527 put_be32(pb, 0); /* unknown */
529 put_be32(pb, 120); /* size */
533 put_be32(pb, AV_RB32(track->vosData + 0x28)); /* dnxhd cid, some id ? */
534 put_be32(pb, track->enc->width);
535 /* values below are based on samples created with quicktime and avid codecs */
536 if (track->vosData[5] & 2) { // interlaced
537 put_be32(pb, track->enc->height/2);
538 put_be32(pb, 2); /* unknown */
539 put_be32(pb, 0); /* unknown */
540 put_be32(pb, 4); /* unknown */
542 put_be32(pb, track->enc->height);
543 put_be32(pb, 1); /* unknown */
544 put_be32(pb, 0); /* unknown */
545 if (track->enc->height == 1080)
546 put_be32(pb, 5); /* unknown */
548 put_be32(pb, 6); /* unknown */
551 for (i = 0; i < 10; i++)
554 /* extra padding for stsd needed */
559 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
561 int tag = track->enc->codec_tag;
563 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
566 if (track->enc->codec_id == CODEC_ID_H264) tag = MKTAG('a','v','c','1');
567 else if (track->enc->codec_id == CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
568 else if (track->enc->codec_id == CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
569 else if (track->enc->codec_id == CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
570 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
571 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
576 static const AVCodecTag codec_ipod_tags[] = {
577 { CODEC_ID_H264, MKTAG('a','v','c','1') },
578 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
579 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
580 { CODEC_ID_ALAC, MKTAG('a','l','a','c') },
581 { CODEC_ID_AC3, MKTAG('a','c','-','3') },
582 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
583 { CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
584 { CODEC_ID_NONE, 0 },
587 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
589 int tag = track->enc->codec_tag;
591 // keep original tag for subs, ipod supports both formats
592 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
593 (tag == MKTAG('t','x','3','g') ||
594 tag == MKTAG('t','e','x','t'))))
595 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
597 if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v"))
598 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
599 "Quicktime/Ipod might not play the file\n");
604 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
608 if (track->enc->height == 480) /* NTSC */
609 if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
610 else tag = MKTAG('d','v','c',' ');
611 else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
612 else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
613 else tag = MKTAG('d','v','p','p');
618 static const struct {
619 enum PixelFormat pix_fmt;
622 } mov_pix_fmt_tags[] = {
623 { PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
624 { PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
625 { PIX_FMT_BGR555, MKTAG('r','a','w',' '), 16 },
626 { PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
627 { PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
628 { PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
629 { PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
630 { PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
631 { PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
632 { PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
633 { PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
636 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
638 int tag = track->enc->codec_tag;
641 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
642 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
643 tag = mov_pix_fmt_tags[i].tag;
644 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
652 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
654 int tag = track->enc->codec_tag;
656 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
657 (tag == MKTAG('d','v','c','p') ||
658 track->enc->codec_id == CODEC_ID_RAWVIDEO ||
659 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
660 if (track->enc->codec_id == CODEC_ID_DVVIDEO)
661 tag = mov_get_dv_codec_tag(s, track);
662 else if (track->enc->codec_id == CODEC_ID_RAWVIDEO)
663 tag = mov_get_rawvideo_codec_tag(s, track);
664 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
665 tag = ff_codec_get_tag(codec_movvideo_tags, track->enc->codec_id);
666 if (!tag) { // if no mac fcc found, try with Microsoft tags
667 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
669 av_log(s, AV_LOG_INFO, "Warning, using MS style video codec tag, "
670 "the file may be unplayable!\n");
672 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
673 tag = ff_codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
674 if (!tag) { // if no mac fcc found, try with Microsoft tags
675 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
677 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
678 av_log(s, AV_LOG_INFO, "Warning, using MS style audio codec tag, "
679 "the file may be unplayable!\n");
682 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
683 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
689 static const AVCodecTag codec_3gp_tags[] = {
690 { CODEC_ID_H263, MKTAG('s','2','6','3') },
691 { CODEC_ID_H264, MKTAG('a','v','c','1') },
692 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
693 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
694 { CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
695 { CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
696 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
697 { CODEC_ID_NONE, 0 },
700 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
702 int tag = track->enc->codec_tag;
704 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
705 tag = mp4_get_codec_tag(s, track);
706 else if (track->mode == MODE_IPOD)
707 tag = ipod_get_codec_tag(s, track);
708 else if (track->mode & MODE_3GP)
709 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
711 tag = mov_get_codec_tag(s, track);
717 * Needed to make file play in iPods running newest firmware
718 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
720 static int mov_write_uuid_tag_ipod(ByteIOContext *pb)
724 put_be32(pb, 0x6b6840f2);
725 put_be32(pb, 0x5f244fc5);
726 put_be32(pb, 0xba39a51b);
727 put_be32(pb, 0xcf0323f3);
732 static int mov_write_subtitle_tag(ByteIOContext *pb, MOVTrack *track)
734 int64_t pos = url_ftell(pb);
735 put_be32(pb, 0); /* size */
736 put_le32(pb, track->tag); // store it byteswapped
737 put_be32(pb, 0); /* Reserved */
738 put_be16(pb, 0); /* Reserved */
739 put_be16(pb, 1); /* Data-reference index */
741 if (track->enc->extradata_size)
742 put_buffer(pb, track->enc->extradata, track->enc->extradata_size);
744 return updateSize(pb, pos);
747 static int mov_write_video_tag(ByteIOContext *pb, MOVTrack *track)
749 int64_t pos = url_ftell(pb);
750 char compressor_name[32];
752 put_be32(pb, 0); /* size */
753 put_le32(pb, track->tag); // store it byteswapped
754 put_be32(pb, 0); /* Reserved */
755 put_be16(pb, 0); /* Reserved */
756 put_be16(pb, 1); /* Data-reference index */
758 put_be16(pb, 0); /* Codec stream version */
759 put_be16(pb, 0); /* Codec stream revision (=0) */
760 if (track->mode == MODE_MOV) {
761 put_tag(pb, "FFMP"); /* Vendor */
762 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
763 put_be32(pb, 0); /* Temporal Quality */
764 put_be32(pb, 0x400); /* Spatial Quality = lossless*/
766 put_be32(pb, 0x200); /* Temporal Quality = normal */
767 put_be32(pb, 0x200); /* Spatial Quality = normal */
770 put_be32(pb, 0); /* Reserved */
771 put_be32(pb, 0); /* Reserved */
772 put_be32(pb, 0); /* Reserved */
774 put_be16(pb, track->enc->width); /* Video width */
775 put_be16(pb, track->height); /* Video height */
776 put_be32(pb, 0x00480000); /* Horizontal resolution 72dpi */
777 put_be32(pb, 0x00480000); /* Vertical resolution 72dpi */
778 put_be32(pb, 0); /* Data size (= 0) */
779 put_be16(pb, 1); /* Frame count (= 1) */
781 memset(compressor_name,0,32);
782 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
783 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
784 strncpy(compressor_name,track->enc->codec->name,31);
785 put_byte(pb, strlen(compressor_name));
786 put_buffer(pb, compressor_name, 31);
788 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
789 put_be16(pb, track->enc->bits_per_coded_sample);
791 put_be16(pb, 0x18); /* Reserved */
792 put_be16(pb, 0xffff); /* Reserved */
793 if(track->tag == MKTAG('m','p','4','v'))
794 mov_write_esds_tag(pb, track);
795 else if(track->enc->codec_id == CODEC_ID_H263)
796 mov_write_d263_tag(pb);
797 else if(track->enc->codec_id == CODEC_ID_SVQ3)
798 mov_write_svq3_tag(pb);
799 else if(track->enc->codec_id == CODEC_ID_DNXHD)
800 mov_write_avid_tag(pb, track);
801 else if(track->enc->codec_id == CODEC_ID_H264) {
802 mov_write_avcc_tag(pb, track);
803 if(track->mode == MODE_IPOD)
804 mov_write_uuid_tag_ipod(pb);
805 } else if(track->vosLen > 0)
806 mov_write_glbl_tag(pb, track);
808 return updateSize(pb, pos);
811 static int mov_write_rtp_tag(ByteIOContext *pb, MOVTrack *track)
813 int64_t pos = url_ftell(pb);
814 put_be32(pb, 0); /* size */
816 put_be32(pb, 0); /* Reserved */
817 put_be16(pb, 0); /* Reserved */
818 put_be16(pb, 1); /* Data-reference index */
820 put_be16(pb, 1); /* Hint track version */
821 put_be16(pb, 1); /* Highest compatible version */
822 put_be32(pb, track->max_packet_size); /* Max packet size */
824 put_be32(pb, 12); /* size */
826 put_be32(pb, track->timescale);
828 return updateSize(pb, pos);
831 static int mov_write_stsd_tag(ByteIOContext *pb, MOVTrack *track)
833 int64_t pos = url_ftell(pb);
834 put_be32(pb, 0); /* size */
836 put_be32(pb, 0); /* version & flags */
837 put_be32(pb, 1); /* entry count */
838 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
839 mov_write_video_tag(pb, track);
840 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
841 mov_write_audio_tag(pb, track);
842 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
843 mov_write_subtitle_tag(pb, track);
844 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
845 mov_write_rtp_tag(pb, track);
846 return updateSize(pb, pos);
849 static int mov_write_ctts_tag(ByteIOContext *pb, MOVTrack *track)
851 MOVStts *ctts_entries;
852 uint32_t entries = 0;
856 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
857 ctts_entries[0].count = 1;
858 ctts_entries[0].duration = track->cluster[0].cts;
859 for (i=1; i<track->entry; i++) {
860 if (track->cluster[i].cts == ctts_entries[entries].duration) {
861 ctts_entries[entries].count++; /* compress */
864 ctts_entries[entries].duration = track->cluster[i].cts;
865 ctts_entries[entries].count = 1;
868 entries++; /* last one */
869 atom_size = 16 + (entries * 8);
870 put_be32(pb, atom_size); /* size */
872 put_be32(pb, 0); /* version & flags */
873 put_be32(pb, entries); /* entry count */
874 for (i=0; i<entries; i++) {
875 put_be32(pb, ctts_entries[i].count);
876 put_be32(pb, ctts_entries[i].duration);
878 av_free(ctts_entries);
882 /* Time to sample atom */
883 static int mov_write_stts_tag(ByteIOContext *pb, MOVTrack *track)
885 MOVStts *stts_entries;
886 uint32_t entries = -1;
890 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
891 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
892 stts_entries[0].count = track->sampleCount;
893 stts_entries[0].duration = 1;
896 stts_entries = av_malloc(track->entry * sizeof(*stts_entries)); /* worst case */
897 for (i=0; i<track->entry; i++) {
898 int64_t duration = i + 1 == track->entry ?
899 track->trackDuration - track->cluster[i].dts + track->cluster[0].dts : /* readjusting */
900 track->cluster[i+1].dts - track->cluster[i].dts;
901 if (i && duration == stts_entries[entries].duration) {
902 stts_entries[entries].count++; /* compress */
905 stts_entries[entries].duration = duration;
906 stts_entries[entries].count = 1;
909 entries++; /* last one */
911 atom_size = 16 + (entries * 8);
912 put_be32(pb, atom_size); /* size */
914 put_be32(pb, 0); /* version & flags */
915 put_be32(pb, entries); /* entry count */
916 for (i=0; i<entries; i++) {
917 put_be32(pb, stts_entries[i].count);
918 put_be32(pb, stts_entries[i].duration);
920 av_free(stts_entries);
924 static int mov_write_dref_tag(ByteIOContext *pb)
926 put_be32(pb, 28); /* size */
928 put_be32(pb, 0); /* version & flags */
929 put_be32(pb, 1); /* entry count */
931 put_be32(pb, 0xc); /* size */
933 put_be32(pb, 1); /* version & flags */
938 static int mov_write_stbl_tag(ByteIOContext *pb, MOVTrack *track)
940 int64_t pos = url_ftell(pb);
941 put_be32(pb, 0); /* size */
943 mov_write_stsd_tag(pb, track);
944 mov_write_stts_tag(pb, track);
945 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
946 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
947 track->hasKeyframes && track->hasKeyframes < track->entry)
948 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
949 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
950 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
951 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
952 track->flags & MOV_TRACK_CTTS)
953 mov_write_ctts_tag(pb, track);
954 mov_write_stsc_tag(pb, track);
955 mov_write_stsz_tag(pb, track);
956 mov_write_stco_tag(pb, track);
957 return updateSize(pb, pos);
960 static int mov_write_dinf_tag(ByteIOContext *pb)
962 int64_t pos = url_ftell(pb);
963 put_be32(pb, 0); /* size */
965 mov_write_dref_tag(pb);
966 return updateSize(pb, pos);
969 static int mov_write_nmhd_tag(ByteIOContext *pb)
977 static int mov_write_gmhd_tag(ByteIOContext *pb)
979 put_be32(pb, 0x20); /* size */
981 put_be32(pb, 0x18); /* gmin size */
982 put_tag(pb, "gmin"); /* generic media info */
983 put_be32(pb, 0); /* version & flags */
984 put_be16(pb, 0x40); /* graphics mode = */
985 put_be16(pb, 0x8000); /* opColor (r?) */
986 put_be16(pb, 0x8000); /* opColor (g?) */
987 put_be16(pb, 0x8000); /* opColor (b?) */
988 put_be16(pb, 0); /* balance */
989 put_be16(pb, 0); /* reserved */
993 static int mov_write_smhd_tag(ByteIOContext *pb)
995 put_be32(pb, 16); /* size */
997 put_be32(pb, 0); /* version & flags */
998 put_be16(pb, 0); /* reserved (balance, normally = 0) */
999 put_be16(pb, 0); /* reserved */
1003 static int mov_write_vmhd_tag(ByteIOContext *pb)
1005 put_be32(pb, 0x14); /* size (always 0x14) */
1006 put_tag(pb, "vmhd");
1007 put_be32(pb, 0x01); /* version & flags */
1008 put_be64(pb, 0); /* reserved (graphics mode = copy) */
1012 static int mov_write_hdlr_tag(ByteIOContext *pb, MOVTrack *track)
1014 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1015 int64_t pos = url_ftell(pb);
1017 if (!track) { /* no media --> data handler */
1020 descr = "DataHandler";
1022 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1023 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1025 descr = "VideoHandler";
1026 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1028 descr = "SoundHandler";
1029 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1030 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
1031 else hdlr_type = "text";
1032 descr = "SubtitleHandler";
1033 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1035 descr = "HintHandler";
1039 put_be32(pb, 0); /* size */
1040 put_tag(pb, "hdlr");
1041 put_be32(pb, 0); /* Version & flags */
1042 put_buffer(pb, hdlr, 4); /* handler */
1043 put_tag(pb, hdlr_type); /* handler type */
1044 put_be32(pb ,0); /* reserved */
1045 put_be32(pb ,0); /* reserved */
1046 put_be32(pb ,0); /* reserved */
1047 if (!track || track->mode == MODE_MOV)
1048 put_byte(pb, strlen(descr)); /* pascal string */
1049 put_buffer(pb, descr, strlen(descr)); /* handler description */
1050 if (track && track->mode != MODE_MOV)
1051 put_byte(pb, 0); /* c string */
1052 return updateSize(pb, pos);
1055 static int mov_write_hmhd_tag(ByteIOContext *pb)
1057 /* This atom must be present, but leaving the values at zero
1058 * seems harmless. */
1059 put_be32(pb, 28); /* size */
1060 put_tag(pb, "hmhd");
1061 put_be32(pb, 0); /* version, flags */
1062 put_be16(pb, 0); /* maxPDUsize */
1063 put_be16(pb, 0); /* avgPDUsize */
1064 put_be32(pb, 0); /* maxbitrate */
1065 put_be32(pb, 0); /* avgbitrate */
1066 put_be32(pb, 0); /* reserved */
1070 static int mov_write_minf_tag(ByteIOContext *pb, MOVTrack *track)
1072 int64_t pos = url_ftell(pb);
1073 put_be32(pb, 0); /* size */
1074 put_tag(pb, "minf");
1075 if(track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1076 mov_write_vmhd_tag(pb);
1077 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1078 mov_write_smhd_tag(pb);
1079 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1080 if (track->tag == MKTAG('t','e','x','t')) mov_write_gmhd_tag(pb);
1081 else mov_write_nmhd_tag(pb);
1082 } else if (track->tag == MKTAG('r','t','p',' ')) {
1083 mov_write_hmhd_tag(pb);
1085 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1086 mov_write_hdlr_tag(pb, NULL);
1087 mov_write_dinf_tag(pb);
1088 mov_write_stbl_tag(pb, track);
1089 return updateSize(pb, pos);
1092 static int mov_write_mdhd_tag(ByteIOContext *pb, MOVTrack *track)
1094 int version = track->trackDuration < INT32_MAX ? 0 : 1;
1096 (version == 1) ? put_be32(pb, 44) : put_be32(pb, 32); /* size */
1097 put_tag(pb, "mdhd");
1098 put_byte(pb, version);
1099 put_be24(pb, 0); /* flags */
1101 put_be64(pb, track->time);
1102 put_be64(pb, track->time);
1104 put_be32(pb, track->time); /* creation time */
1105 put_be32(pb, track->time); /* modification time */
1107 put_be32(pb, track->timescale); /* time scale (sample rate for audio) */
1108 (version == 1) ? put_be64(pb, track->trackDuration) : put_be32(pb, track->trackDuration); /* duration */
1109 put_be16(pb, track->language); /* language */
1110 put_be16(pb, 0); /* reserved (quality) */
1112 if(version!=0 && track->mode == MODE_MOV){
1113 av_log(NULL, AV_LOG_ERROR,
1114 "FATAL error, file duration too long for timebase, this file will not be\n"
1115 "playable with quicktime. Choose a different timebase or a different\n"
1116 "container format\n");
1122 static int mov_write_mdia_tag(ByteIOContext *pb, MOVTrack *track)
1124 int64_t pos = url_ftell(pb);
1125 put_be32(pb, 0); /* size */
1126 put_tag(pb, "mdia");
1127 mov_write_mdhd_tag(pb, track);
1128 mov_write_hdlr_tag(pb, track);
1129 mov_write_minf_tag(pb, track);
1130 return updateSize(pb, pos);
1133 static int mov_write_tkhd_tag(ByteIOContext *pb, MOVTrack *track, AVStream *st)
1135 int64_t duration = av_rescale_rnd(track->trackDuration, MOV_TIMESCALE,
1136 track->timescale, AV_ROUND_UP);
1137 int version = duration < INT32_MAX ? 0 : 1;
1139 (version == 1) ? put_be32(pb, 104) : put_be32(pb, 92); /* size */
1140 put_tag(pb, "tkhd");
1141 put_byte(pb, version);
1142 put_be24(pb, 0xf); /* flags (track enabled) */
1144 put_be64(pb, track->time);
1145 put_be64(pb, track->time);
1147 put_be32(pb, track->time); /* creation time */
1148 put_be32(pb, track->time); /* modification time */
1150 put_be32(pb, track->trackID); /* track-id */
1151 put_be32(pb, 0); /* reserved */
1152 (version == 1) ? put_be64(pb, duration) : put_be32(pb, duration);
1154 put_be32(pb, 0); /* reserved */
1155 put_be32(pb, 0); /* reserved */
1156 put_be32(pb, 0x0); /* reserved (Layer & Alternate group) */
1157 /* Volume, only for audio */
1158 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1159 put_be16(pb, 0x0100);
1162 put_be16(pb, 0); /* reserved */
1164 /* Matrix structure */
1165 put_be32(pb, 0x00010000); /* reserved */
1166 put_be32(pb, 0x0); /* reserved */
1167 put_be32(pb, 0x0); /* reserved */
1168 put_be32(pb, 0x0); /* reserved */
1169 put_be32(pb, 0x00010000); /* reserved */
1170 put_be32(pb, 0x0); /* reserved */
1171 put_be32(pb, 0x0); /* reserved */
1172 put_be32(pb, 0x0); /* reserved */
1173 put_be32(pb, 0x40000000); /* reserved */
1175 /* Track width and height, for visual only */
1176 if(st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1177 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
1178 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1179 if(!sample_aspect_ratio || track->height != track->enc->height)
1180 sample_aspect_ratio = 1;
1181 put_be32(pb, sample_aspect_ratio * track->enc->width*0x10000);
1182 put_be32(pb, track->height*0x10000);
1191 // This box seems important for the psp playback ... without it the movie seems to hang
1192 static int mov_write_edts_tag(ByteIOContext *pb, MOVTrack *track)
1194 put_be32(pb, 0x24); /* size */
1195 put_tag(pb, "edts");
1196 put_be32(pb, 0x1c); /* size */
1197 put_tag(pb, "elst");
1201 /* duration ... doesn't seem to effect psp */
1202 put_be32(pb, av_rescale_rnd(track->trackDuration, MOV_TIMESCALE,
1203 track->timescale, AV_ROUND_UP));
1205 put_be32(pb, track->cluster[0].cts); /* first pts is cts since dts is 0 */
1206 put_be32(pb, 0x00010000);
1210 static int mov_write_tref_tag(ByteIOContext *pb, MOVTrack *track)
1212 put_be32(pb, 20); // size
1213 put_tag(pb, "tref");
1214 put_be32(pb, 12); // size (subatom)
1215 put_le32(pb, track->tref_tag);
1216 put_be32(pb, track->tref_id);
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_udta_sdp(ByteIOContext *pb, AVCodecContext *ctx, int index)
1241 char buf[1000] = "";
1244 ff_sdp_write_media(buf, sizeof(buf), ctx, NULL, 0, 0);
1245 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", index);
1248 put_be32(pb, len + 24);
1249 put_tag (pb, "udta");
1250 put_be32(pb, len + 16);
1251 put_tag (pb, "hnti");
1252 put_be32(pb, len + 8);
1253 put_tag (pb, "sdp ");
1254 put_buffer(pb, buf, len);
1258 static int mov_write_trak_tag(ByteIOContext *pb, MOVTrack *track, AVStream *st)
1260 int64_t pos = url_ftell(pb);
1261 put_be32(pb, 0); /* size */
1262 put_tag(pb, "trak");
1263 mov_write_tkhd_tag(pb, track, st);
1264 if (track->mode == MODE_PSP || track->flags & MOV_TRACK_CTTS)
1265 mov_write_edts_tag(pb, track); // PSP Movies require edts box
1266 if (track->tref_tag)
1267 mov_write_tref_tag(pb, track);
1268 mov_write_mdia_tag(pb, track);
1269 if (track->mode == MODE_PSP)
1270 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
1271 if (track->tag == MKTAG('r','t','p',' '))
1272 mov_write_udta_sdp(pb, track->rtp_ctx->streams[0]->codec, track->trackID);
1273 return updateSize(pb, pos);
1277 /* TODO: Not sorted out, but not necessary either */
1278 static int mov_write_iods_tag(ByteIOContext *pb, MOVMuxContext *mov)
1280 put_be32(pb, 0x15); /* size */
1281 put_tag(pb, "iods");
1282 put_be32(pb, 0); /* version & flags */
1283 put_be16(pb, 0x1007);
1285 put_be16(pb, 0x4fff);
1286 put_be16(pb, 0xfffe);
1287 put_be16(pb, 0x01ff);
1292 static int mov_write_mvhd_tag(ByteIOContext *pb, MOVMuxContext *mov)
1294 int maxTrackID = 1, i;
1295 int64_t maxTrackLenTemp, maxTrackLen = 0;
1298 for (i=0; i<mov->nb_streams; i++) {
1299 if(mov->tracks[i].entry > 0) {
1300 maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration,
1302 mov->tracks[i].timescale,
1304 if(maxTrackLen < maxTrackLenTemp)
1305 maxTrackLen = maxTrackLenTemp;
1306 if(maxTrackID < mov->tracks[i].trackID)
1307 maxTrackID = mov->tracks[i].trackID;
1311 version = maxTrackLen < UINT32_MAX ? 0 : 1;
1312 (version == 1) ? put_be32(pb, 120) : put_be32(pb, 108); /* size */
1313 put_tag(pb, "mvhd");
1314 put_byte(pb, version);
1315 put_be24(pb, 0); /* flags */
1317 put_be64(pb, mov->time);
1318 put_be64(pb, mov->time);
1320 put_be32(pb, mov->time); /* creation time */
1321 put_be32(pb, mov->time); /* modification time */
1323 put_be32(pb, MOV_TIMESCALE);
1324 (version == 1) ? put_be64(pb, maxTrackLen) : put_be32(pb, maxTrackLen); /* duration of longest track */
1326 put_be32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1327 put_be16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1328 put_be16(pb, 0); /* reserved */
1329 put_be32(pb, 0); /* reserved */
1330 put_be32(pb, 0); /* reserved */
1332 /* Matrix structure */
1333 put_be32(pb, 0x00010000); /* reserved */
1334 put_be32(pb, 0x0); /* reserved */
1335 put_be32(pb, 0x0); /* reserved */
1336 put_be32(pb, 0x0); /* reserved */
1337 put_be32(pb, 0x00010000); /* reserved */
1338 put_be32(pb, 0x0); /* reserved */
1339 put_be32(pb, 0x0); /* reserved */
1340 put_be32(pb, 0x0); /* reserved */
1341 put_be32(pb, 0x40000000); /* reserved */
1343 put_be32(pb, 0); /* reserved (preview time) */
1344 put_be32(pb, 0); /* reserved (preview duration) */
1345 put_be32(pb, 0); /* reserved (poster time) */
1346 put_be32(pb, 0); /* reserved (selection time) */
1347 put_be32(pb, 0); /* reserved (selection duration) */
1348 put_be32(pb, 0); /* reserved (current time) */
1349 put_be32(pb, maxTrackID+1); /* Next track id */
1353 static int mov_write_itunes_hdlr_tag(ByteIOContext *pb, MOVMuxContext *mov,
1356 put_be32(pb, 33); /* size */
1357 put_tag(pb, "hdlr");
1360 put_tag(pb, "mdir");
1361 put_tag(pb, "appl");
1368 /* helper function to write a data tag with the specified string as data */
1369 static int mov_write_string_data_tag(ByteIOContext *pb, const char *data, int lang, int long_style)
1372 int size = 16 + strlen(data);
1373 put_be32(pb, size); /* size */
1374 put_tag(pb, "data");
1377 put_buffer(pb, data, strlen(data));
1381 lang = ff_mov_iso639_to_lang("und", 1);
1382 put_be16(pb, strlen(data)); /* string length */
1384 put_buffer(pb, data, strlen(data));
1385 return strlen(data) + 4;
1389 static int mov_write_string_tag(ByteIOContext *pb, const char *name, const char *value, int lang, int long_style){
1391 if (value && value[0]) {
1392 int64_t pos = url_ftell(pb);
1393 put_be32(pb, 0); /* size */
1395 mov_write_string_data_tag(pb, value, lang, long_style);
1396 size= updateSize(pb, pos);
1401 static int mov_write_string_metadata(AVFormatContext *s, ByteIOContext *pb,
1402 const char *name, const char *tag,
1405 int l, lang = 0, len, len2;
1406 AVMetadataTag *t, *t2 = NULL;
1409 if (!(t = av_metadata_get(s->metadata, tag, NULL, 0)))
1412 len = strlen(t->key);
1413 snprintf(tag2, sizeof(tag2), "%s-", tag);
1414 while ((t2 = av_metadata_get(s->metadata, tag2, t2, AV_METADATA_IGNORE_SUFFIX))) {
1415 len2 = strlen(t2->key);
1416 if (len2 == len+4 && !strcmp(t->value, t2->value)
1417 && (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 1)) >= 0) {
1422 return mov_write_string_tag(pb, name, t->value, lang, long_style);
1425 /* iTunes track number */
1426 static int mov_write_trkn_tag(ByteIOContext *pb, MOVMuxContext *mov,
1429 AVMetadataTag *t = av_metadata_get(s->metadata, "track", NULL, 0);
1430 int size = 0, track = t ? atoi(t->value) : 0;
1432 put_be32(pb, 32); /* size */
1433 put_tag(pb, "trkn");
1434 put_be32(pb, 24); /* size */
1435 put_tag(pb, "data");
1436 put_be32(pb, 0); // 8 bytes empty
1438 put_be16(pb, 0); // empty
1439 put_be16(pb, track); // track number
1440 put_be16(pb, 0); // total track number
1441 put_be16(pb, 0); // empty
1447 /* iTunes meta data list */
1448 static int mov_write_ilst_tag(ByteIOContext *pb, MOVMuxContext *mov,
1451 int64_t pos = url_ftell(pb);
1452 put_be32(pb, 0); /* size */
1453 put_tag(pb, "ilst");
1454 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
1455 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
1456 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
1457 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
1458 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
1459 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
1460 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
1461 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
1462 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
1463 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
1464 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
1465 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
1466 mov_write_string_metadata(s, pb, "desc", "description",1);
1467 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
1468 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
1469 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
1470 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
1471 mov_write_trkn_tag(pb, mov, s);
1472 return updateSize(pb, pos);
1475 /* iTunes meta data tag */
1476 static int mov_write_meta_tag(ByteIOContext *pb, MOVMuxContext *mov,
1480 int64_t pos = url_ftell(pb);
1481 put_be32(pb, 0); /* size */
1482 put_tag(pb, "meta");
1484 mov_write_itunes_hdlr_tag(pb, mov, s);
1485 mov_write_ilst_tag(pb, mov, s);
1486 size = updateSize(pb, pos);
1490 static int utf8len(const uint8_t *b)
1495 GET_UTF8(val, *b++, return -1;)
1501 static int ascii_to_wc(ByteIOContext *pb, const uint8_t *b)
1505 GET_UTF8(val, *b++, return -1;)
1512 static uint16_t language_code(const char *str)
1514 return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
1517 static int mov_write_3gp_udta_tag(ByteIOContext *pb, AVFormatContext *s,
1518 const char *tag, const char *str)
1520 int64_t pos = url_ftell(pb);
1521 AVMetadataTag *t = av_metadata_get(s->metadata, str, NULL, 0);
1522 if (!t || !utf8len(t->value))
1524 put_be32(pb, 0); /* size */
1525 put_tag (pb, tag); /* type */
1526 put_be32(pb, 0); /* version + flags */
1527 if (!strcmp(tag, "yrrc"))
1528 put_be16(pb, atoi(t->value));
1530 put_be16(pb, language_code("eng")); /* language */
1531 put_buffer(pb, t->value, strlen(t->value)+1); /* UTF8 string value */
1532 if (!strcmp(tag, "albm") &&
1533 (t = av_metadata_get(s->metadata, "track", NULL, 0)))
1534 put_byte(pb, atoi(t->value));
1536 return updateSize(pb, pos);
1539 static int mov_write_chpl_tag(ByteIOContext *pb, AVFormatContext *s)
1541 int64_t pos = url_ftell(pb);
1542 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
1544 put_be32(pb, 0); // size
1545 put_tag (pb, "chpl");
1546 put_be32(pb, 0x01000000); // version + flags
1547 put_be32(pb, 0); // unknown
1548 put_byte(pb, nb_chapters);
1550 for (i = 0; i < nb_chapters; i++) {
1551 AVChapter *c = s->chapters[i];
1553 put_be64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
1555 if ((t = av_metadata_get(c->metadata, "title", NULL, 0))) {
1556 int len = FFMIN(strlen(t->value), 255);
1558 put_buffer(pb, t->value, len);
1562 return updateSize(pb, pos);
1565 static int mov_write_udta_tag(ByteIOContext *pb, MOVMuxContext *mov,
1568 ByteIOContext *pb_buf;
1572 for (i = 0; i < s->nb_streams; i++)
1573 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
1577 ret = url_open_dyn_buf(&pb_buf);
1581 if (mov->mode & MODE_3GP) {
1582 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
1583 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
1584 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
1585 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
1586 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
1587 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
1588 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
1589 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
1590 mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0);
1591 mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0);
1592 mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0);
1593 mov_write_string_metadata(s, pb_buf, "\251day", "date" , 0);
1594 mov_write_string_tag(pb_buf, "\251enc", LIBAVFORMAT_IDENT, 0, 0);
1595 mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0);
1596 mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0);
1597 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0);
1599 /* iTunes meta data */
1600 mov_write_meta_tag(pb_buf, mov, s);
1604 mov_write_chpl_tag(pb_buf, s);
1606 if ((size = url_close_dyn_buf(pb_buf, &buf)) > 0) {
1607 put_be32(pb, size+8);
1608 put_tag(pb, "udta");
1609 put_buffer(pb, buf, size);
1616 static void mov_write_psp_udta_tag(ByteIOContext *pb,
1617 const char *str, const char *lang, int type)
1619 int len = utf8len(str)+1;
1622 put_be16(pb, len*2+10); /* size */
1623 put_be32(pb, type); /* type */
1624 put_be16(pb, language_code(lang)); /* language */
1625 put_be16(pb, 0x01); /* ? */
1626 ascii_to_wc(pb, str);
1629 static int mov_write_uuidusmt_tag(ByteIOContext *pb, AVFormatContext *s)
1631 AVMetadataTag *title = av_metadata_get(s->metadata, "title", NULL, 0);
1635 pos = url_ftell(pb);
1636 put_be32(pb, 0); /* size placeholder*/
1637 put_tag(pb, "uuid");
1638 put_tag(pb, "USMT");
1639 put_be32(pb, 0x21d24fce); /* 96 bit UUID */
1640 put_be32(pb, 0xbb88695c);
1641 put_be32(pb, 0xfac9c740);
1643 pos2 = url_ftell(pb);
1644 put_be32(pb, 0); /* size placeholder*/
1645 put_tag(pb, "MTDT");
1649 put_be16(pb, 0x0C); /* size */
1650 put_be32(pb, 0x0B); /* type */
1651 put_be16(pb, language_code("und")); /* language */
1652 put_be16(pb, 0x0); /* ? */
1653 put_be16(pb, 0x021C); /* data */
1655 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
1656 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
1657 // 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);
1658 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
1660 updateSize(pb, pos2);
1661 return updateSize(pb, pos);
1667 static int mov_write_moov_tag(ByteIOContext *pb, MOVMuxContext *mov,
1671 int64_t pos = url_ftell(pb);
1672 put_be32(pb, 0); /* size placeholder*/
1673 put_tag(pb, "moov");
1675 for (i=0; i<mov->nb_streams; i++) {
1676 if(mov->tracks[i].entry <= 0) continue;
1678 mov->tracks[i].time = mov->time;
1679 mov->tracks[i].trackID = i+1;
1682 if (mov->chapter_track)
1683 for (i=0; i<s->nb_streams; i++) {
1684 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
1685 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].trackID;
1687 for (i = 0; i < mov->nb_streams; i++) {
1688 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
1689 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
1690 mov->tracks[i].tref_id =
1691 mov->tracks[mov->tracks[i].src_track].trackID;
1695 mov_write_mvhd_tag(pb, mov);
1696 //mov_write_iods_tag(pb, mov);
1697 for (i=0; i<mov->nb_streams; i++) {
1698 if(mov->tracks[i].entry > 0) {
1699 mov_write_trak_tag(pb, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
1703 if (mov->mode == MODE_PSP)
1704 mov_write_uuidusmt_tag(pb, s);
1706 mov_write_udta_tag(pb, mov, s);
1708 return updateSize(pb, pos);
1711 static int mov_write_mdat_tag(ByteIOContext *pb, MOVMuxContext *mov)
1713 put_be32(pb, 8); // placeholder for extended size field (64 bit)
1714 put_tag(pb, mov->mode == MODE_MOV ? "wide" : "free");
1716 mov->mdat_pos = url_ftell(pb);
1717 put_be32(pb, 0); /* size placeholder*/
1718 put_tag(pb, "mdat");
1722 /* TODO: This needs to be more general */
1723 static int mov_write_ftyp_tag(ByteIOContext *pb, AVFormatContext *s)
1725 MOVMuxContext *mov = s->priv_data;
1726 int64_t pos = url_ftell(pb);
1727 int has_h264 = 0, has_video = 0;
1731 for (i = 0; i < s->nb_streams; i++) {
1732 AVStream *st = s->streams[i];
1733 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
1735 if (st->codec->codec_id == CODEC_ID_H264)
1739 put_be32(pb, 0); /* size */
1740 put_tag(pb, "ftyp");
1742 if (mov->mode == MODE_3GP) {
1743 put_tag(pb, has_h264 ? "3gp6" : "3gp4");
1744 minor = has_h264 ? 0x100 : 0x200;
1745 } else if (mov->mode & MODE_3G2) {
1746 put_tag(pb, has_h264 ? "3g2b" : "3g2a");
1747 minor = has_h264 ? 0x20000 : 0x10000;
1748 }else if (mov->mode == MODE_PSP)
1749 put_tag(pb, "MSNV");
1750 else if (mov->mode == MODE_MP4)
1751 put_tag(pb, "isom");
1752 else if (mov->mode == MODE_IPOD)
1753 put_tag(pb, has_video ? "M4V ":"M4A ");
1757 put_be32(pb, minor);
1759 if(mov->mode == MODE_MOV)
1762 put_tag(pb, "isom");
1763 put_tag(pb, "iso2");
1765 put_tag(pb, "avc1");
1768 if (mov->mode == MODE_3GP)
1769 put_tag(pb, has_h264 ? "3gp6":"3gp4");
1770 else if (mov->mode & MODE_3G2)
1771 put_tag(pb, has_h264 ? "3g2b":"3g2a");
1772 else if (mov->mode == MODE_PSP)
1773 put_tag(pb, "MSNV");
1774 else if (mov->mode == MODE_MP4)
1775 put_tag(pb, "mp41");
1776 return updateSize(pb, pos);
1779 static void mov_write_uuidprof_tag(ByteIOContext *pb, AVFormatContext *s)
1781 AVCodecContext *VideoCodec = s->streams[0]->codec;
1782 AVCodecContext *AudioCodec = s->streams[1]->codec;
1783 int AudioRate = AudioCodec->sample_rate;
1784 int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num);
1785 int audio_kbitrate= AudioCodec->bit_rate / 1000;
1786 int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate);
1788 put_be32(pb, 0x94); /* size */
1789 put_tag(pb, "uuid");
1790 put_tag(pb, "PROF");
1792 put_be32(pb, 0x21d24fce); /* 96 bit UUID */
1793 put_be32(pb, 0xbb88695c);
1794 put_be32(pb, 0xfac9c740);
1796 put_be32(pb, 0x0); /* ? */
1797 put_be32(pb, 0x3); /* 3 sections ? */
1799 put_be32(pb, 0x14); /* size */
1800 put_tag(pb, "FPRF");
1801 put_be32(pb, 0x0); /* ? */
1802 put_be32(pb, 0x0); /* ? */
1803 put_be32(pb, 0x0); /* ? */
1805 put_be32(pb, 0x2c); /* size */
1806 put_tag(pb, "APRF"); /* audio */
1808 put_be32(pb, 0x2); /* TrackID */
1809 put_tag(pb, "mp4a");
1810 put_be32(pb, 0x20f);
1812 put_be32(pb, audio_kbitrate);
1813 put_be32(pb, audio_kbitrate);
1814 put_be32(pb, AudioRate);
1815 put_be32(pb, AudioCodec->channels);
1817 put_be32(pb, 0x34); /* size */
1818 put_tag(pb, "VPRF"); /* video */
1820 put_be32(pb, 0x1); /* TrackID */
1821 if (VideoCodec->codec_id == CODEC_ID_H264) {
1822 put_tag(pb, "avc1");
1823 put_be16(pb, 0x014D);
1824 put_be16(pb, 0x0015);
1826 put_tag(pb, "mp4v");
1827 put_be16(pb, 0x0000);
1828 put_be16(pb, 0x0103);
1831 put_be32(pb, video_kbitrate);
1832 put_be32(pb, video_kbitrate);
1833 put_be32(pb, FrameRate);
1834 put_be32(pb, FrameRate);
1835 put_be16(pb, VideoCodec->width);
1836 put_be16(pb, VideoCodec->height);
1837 put_be32(pb, 0x010001); /* ? */
1840 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
1843 int i, closed_gop = 0;
1845 for (i = 0; i < pkt->size - 4; i++) {
1846 c = (c<<8) + pkt->data[i];
1847 if (c == 0x1b8) { // gop
1848 closed_gop = pkt->data[i+4]>>6 & 0x01;
1849 } else if (c == 0x100) { // pic
1850 int temp_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
1851 if (!temp_ref || closed_gop) // I picture is not reordered
1852 *flags = MOV_SYNC_SAMPLE;
1854 *flags = MOV_PARTIAL_SYNC_SAMPLE;
1861 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
1863 MOVMuxContext *mov = s->priv_data;
1864 ByteIOContext *pb = s->pb;
1865 MOVTrack *trk = &mov->tracks[pkt->stream_index];
1866 AVCodecContext *enc = trk->enc;
1867 unsigned int samplesInChunk = 0;
1868 int size= pkt->size;
1870 if (url_is_streamed(s->pb)) return 0; /* Can't handle that */
1871 if (!size) return 0; /* Discard 0 sized packets */
1873 if (enc->codec_id == CODEC_ID_AMR_NB) {
1874 /* We must find out how many AMR blocks there are in one packet */
1875 static uint16_t packed_size[16] =
1876 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 0};
1879 while (len < size && samplesInChunk < 100) {
1880 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
1883 if(samplesInChunk > 1){
1884 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
1887 } else if (trk->sampleSize)
1888 samplesInChunk = size/trk->sampleSize;
1892 /* copy extradata if it exists */
1893 if (trk->vosLen == 0 && enc->extradata_size > 0) {
1894 trk->vosLen = enc->extradata_size;
1895 trk->vosData = av_malloc(trk->vosLen);
1896 memcpy(trk->vosData, enc->extradata, trk->vosLen);
1899 if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) {
1900 /* from x264 or from bytestream h264 */
1901 /* nal reformating needed */
1902 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
1904 put_buffer(pb, pkt->data, size);
1907 if ((enc->codec_id == CODEC_ID_DNXHD ||
1908 enc->codec_id == CODEC_ID_AC3) && !trk->vosLen) {
1909 /* copy frame to create needed atoms */
1911 trk->vosData = av_malloc(size);
1913 return AVERROR(ENOMEM);
1914 memcpy(trk->vosData, pkt->data, size);
1917 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
1918 trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster));
1923 trk->cluster[trk->entry].pos = url_ftell(pb) - size;
1924 trk->cluster[trk->entry].samplesInChunk = samplesInChunk;
1925 trk->cluster[trk->entry].size = size;
1926 trk->cluster[trk->entry].entries = samplesInChunk;
1927 trk->cluster[trk->entry].dts = pkt->dts;
1928 trk->trackDuration = pkt->dts - trk->cluster[0].dts + pkt->duration;
1930 if (pkt->pts == AV_NOPTS_VALUE) {
1931 av_log(s, AV_LOG_WARNING, "pts has no value\n");
1932 pkt->pts = pkt->dts;
1934 if (pkt->dts != pkt->pts)
1935 trk->flags |= MOV_TRACK_CTTS;
1936 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
1937 trk->cluster[trk->entry].flags = 0;
1938 if (pkt->flags & AV_PKT_FLAG_KEY) {
1939 if (mov->mode == MODE_MOV && enc->codec_id == CODEC_ID_MPEG2VIDEO) {
1940 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
1941 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
1942 trk->flags |= MOV_TRACK_STPS;
1944 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
1946 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
1947 trk->hasKeyframes++;
1950 trk->sampleCount += samplesInChunk;
1951 mov->mdat_size += size;
1953 put_flush_packet(pb);
1955 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
1956 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry);
1960 // QuickTime chapters involve an additional text track with the chapter names
1961 // as samples, and a tref pointing from the other tracks to the chapter one.
1962 static void mov_create_chapter_track(AVFormatContext *s, int tracknum)
1964 MOVMuxContext *mov = s->priv_data;
1965 MOVTrack *track = &mov->tracks[tracknum];
1966 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
1969 track->mode = mov->mode;
1970 track->tag = MKTAG('t','e','x','t');
1971 track->timescale = MOV_TIMESCALE;
1972 track->enc = avcodec_alloc_context();
1973 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
1975 for (i = 0; i < s->nb_chapters; i++) {
1976 AVChapter *c = s->chapters[i];
1979 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
1980 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
1981 pkt.duration = end - pkt.dts;
1983 if ((t = av_metadata_get(c->metadata, "title", NULL, 0))) {
1984 len = strlen(t->value);
1986 pkt.data = av_malloc(pkt.size);
1987 AV_WB16(pkt.data, len);
1988 memcpy(pkt.data+2, t->value, len);
1989 ff_mov_write_packet(s, &pkt);
1990 av_freep(&pkt.data);
1995 static int mov_write_header(AVFormatContext *s)
1997 ByteIOContext *pb = s->pb;
1998 MOVMuxContext *mov = s->priv_data;
1999 int i, hint_track = 0;
2001 if (url_is_streamed(s->pb)) {
2002 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
2006 /* Default mode == MP4 */
2007 mov->mode = MODE_MP4;
2009 if (s->oformat != NULL) {
2010 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
2011 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
2012 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
2013 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
2014 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
2016 mov_write_ftyp_tag(pb,s);
2017 if (mov->mode == MODE_PSP) {
2018 if (s->nb_streams != 2) {
2019 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
2022 mov_write_uuidprof_tag(pb,s);
2026 mov->nb_streams = s->nb_streams;
2027 if (mov->mode & (MODE_MOV|MODE_IPOD) && s->nb_chapters)
2028 mov->chapter_track = mov->nb_streams++;
2030 if (s->flags & AVFMT_FLAG_RTP_HINT) {
2031 /* Add hint tracks for each audio and video stream */
2032 hint_track = mov->nb_streams;
2033 for (i = 0; i < s->nb_streams; i++) {
2034 AVStream *st = s->streams[i];
2035 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2036 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
2042 mov->tracks = av_mallocz(mov->nb_streams*sizeof(*mov->tracks));
2044 return AVERROR(ENOMEM);
2046 for(i=0; i<s->nb_streams; i++){
2047 AVStream *st= s->streams[i];
2048 MOVTrack *track= &mov->tracks[i];
2049 AVMetadataTag *lang = av_metadata_get(st->metadata, "language", NULL,0);
2051 track->enc = st->codec;
2052 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
2053 if (track->language < 0)
2054 track->language = 0;
2055 track->mode = mov->mode;
2056 track->tag = mov_find_codec_tag(s, track);
2058 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
2059 "codec not currently supported in container\n", i);
2062 /* If hinting of this track is enabled by a later hint track,
2063 * this is updated. */
2064 track->hint_track = -1;
2065 if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
2066 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
2067 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
2068 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
2069 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
2070 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
2073 track->height = track->tag>>24 == 'n' ? 486 : 576;
2075 track->timescale = st->codec->time_base.den;
2076 if (track->mode == MODE_MOV && track->timescale > 100000)
2077 av_log(s, AV_LOG_WARNING,
2078 "WARNING codec timebase is very high. If duration is too long,\n"
2079 "file may not be playable by quicktime. Specify a shorter timebase\n"
2080 "or choose different container.\n");
2081 }else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
2082 track->timescale = st->codec->sample_rate;
2083 if(!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
2084 av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
2086 }else if(st->codec->frame_size > 1){ /* assume compressed audio */
2087 track->audio_vbr = 1;
2089 st->codec->frame_size = 1;
2090 track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
2092 if (track->mode != MODE_MOV) {
2093 if (track->timescale > UINT16_MAX) {
2094 av_log(s, AV_LOG_ERROR, "track %d: output format does not support "
2095 "sample rate %dhz\n", i, track->timescale);
2098 if (track->enc->codec_id == CODEC_ID_MP3 && track->timescale < 16000) {
2099 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
2100 i, track->enc->sample_rate);
2104 }else if(st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE){
2105 track->timescale = st->codec->time_base.den;
2108 track->height = st->codec->height;
2110 av_set_pts_info(st, 64, 1, track->timescale);
2113 mov_write_mdat_tag(pb, mov);
2114 mov->time = s->timestamp + 0x7C25B080; //1970 based -> 1904 based
2116 if (mov->chapter_track)
2117 mov_create_chapter_track(s, mov->chapter_track);
2119 if (s->flags & AVFMT_FLAG_RTP_HINT) {
2120 /* Initialize the hint tracks for each audio and video stream */
2121 for (i = 0; i < s->nb_streams; i++) {
2122 AVStream *st = s->streams[i];
2123 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2124 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
2125 ff_mov_init_hinting(s, hint_track, i);
2131 put_flush_packet(pb);
2135 av_freep(&mov->tracks);
2139 static int mov_write_trailer(AVFormatContext *s)
2141 MOVMuxContext *mov = s->priv_data;
2142 ByteIOContext *pb = s->pb;
2146 int64_t moov_pos = url_ftell(pb);
2148 /* Write size of mdat tag */
2149 if (mov->mdat_size+8 <= UINT32_MAX) {
2150 url_fseek(pb, mov->mdat_pos, SEEK_SET);
2151 put_be32(pb, mov->mdat_size+8);
2153 /* overwrite 'wide' placeholder atom */
2154 url_fseek(pb, mov->mdat_pos - 8, SEEK_SET);
2155 put_be32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */
2156 put_tag(pb, "mdat");
2157 put_be64(pb, mov->mdat_size+16);
2159 url_fseek(pb, moov_pos, SEEK_SET);
2161 mov_write_moov_tag(pb, mov, s);
2163 if (mov->chapter_track)
2164 av_freep(&mov->tracks[mov->chapter_track].enc);
2166 for (i=0; i<mov->nb_streams; i++) {
2167 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
2168 ff_mov_close_hinting(&mov->tracks[i]);
2169 av_freep(&mov->tracks[i].cluster);
2171 if(mov->tracks[i].vosLen) av_free(mov->tracks[i].vosData);
2175 put_flush_packet(pb);
2177 av_freep(&mov->tracks);
2182 #if CONFIG_MOV_MUXER
2183 AVOutputFormat mov_muxer = {
2185 NULL_IF_CONFIG_SMALL("MOV format"),
2188 sizeof(MOVMuxContext),
2192 ff_mov_write_packet,
2194 .flags = AVFMT_GLOBALHEADER | AVFMT_VARIABLE_FPS,
2195 .codec_tag = (const AVCodecTag* const []){codec_movvideo_tags, codec_movaudio_tags, 0},
2198 #if CONFIG_TGP_MUXER
2199 AVOutputFormat tgp_muxer = {
2201 NULL_IF_CONFIG_SMALL("3GP format"),
2204 sizeof(MOVMuxContext),
2208 ff_mov_write_packet,
2210 .flags = AVFMT_GLOBALHEADER,
2211 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
2214 #if CONFIG_MP4_MUXER
2215 AVOutputFormat mp4_muxer = {
2217 NULL_IF_CONFIG_SMALL("MP4 format"),
2220 sizeof(MOVMuxContext),
2224 ff_mov_write_packet,
2226 .flags = AVFMT_GLOBALHEADER | AVFMT_VARIABLE_FPS,
2227 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
2230 #if CONFIG_PSP_MUXER
2231 AVOutputFormat psp_muxer = {
2233 NULL_IF_CONFIG_SMALL("PSP MP4 format"),
2236 sizeof(MOVMuxContext),
2240 ff_mov_write_packet,
2242 .flags = AVFMT_GLOBALHEADER,
2243 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
2246 #if CONFIG_TG2_MUXER
2247 AVOutputFormat tg2_muxer = {
2249 NULL_IF_CONFIG_SMALL("3GP2 format"),
2252 sizeof(MOVMuxContext),
2256 ff_mov_write_packet,
2258 .flags = AVFMT_GLOBALHEADER,
2259 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
2262 #if CONFIG_IPOD_MUXER
2263 AVOutputFormat ipod_muxer = {
2265 NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"),
2268 sizeof(MOVMuxContext),
2272 ff_mov_write_packet,
2274 .flags = AVFMT_GLOBALHEADER,
2275 .codec_tag = (const AVCodecTag* const []){codec_ipod_tags, 0},