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"
36 //FIXME support 64 bit variant with wide placeholders
37 static int64_t updateSize(ByteIOContext *pb, int64_t pos)
39 int64_t curpos = url_ftell(pb);
40 url_fseek(pb, pos, SEEK_SET);
41 put_be32(pb, curpos - pos); /* rewrite size */
42 url_fseek(pb, curpos, SEEK_SET);
47 /* Chunk offset atom */
48 static int mov_write_stco_tag(ByteIOContext *pb, MOVTrack *track)
51 int mode64 = 0; // use 32 bit size variant if possible
52 int64_t pos = url_ftell(pb);
53 put_be32(pb, 0); /* size */
54 if (pos > UINT32_MAX) {
59 put_be32(pb, 0); /* version & flags */
60 put_be32(pb, track->entry); /* entry count */
61 for (i=0; i<track->entry; i++) {
63 put_be64(pb, track->cluster[i].pos);
65 put_be32(pb, track->cluster[i].pos);
67 return updateSize(pb, pos);
70 /* Sample size atom */
71 static int mov_write_stsz_tag(ByteIOContext *pb, MOVTrack *track)
74 int i, j, entries = 0, tst = -1, oldtst = -1;
76 int64_t pos = url_ftell(pb);
77 put_be32(pb, 0); /* size */
79 put_be32(pb, 0); /* version & flags */
81 for (i=0; i<track->entry; i++) {
82 tst = track->cluster[i].size/track->cluster[i].entries;
83 if(oldtst != -1 && tst != oldtst) {
87 entries += track->cluster[i].entries;
90 int sSize = track->cluster[0].size/track->cluster[0].entries;
91 put_be32(pb, sSize); // sample size
92 put_be32(pb, entries); // sample count
95 put_be32(pb, 0); // sample size
96 put_be32(pb, entries); // sample count
97 for (i=0; i<track->entry; i++) {
98 for (j=0; j<track->cluster[i].entries; j++) {
99 put_be32(pb, track->cluster[i].size /
100 track->cluster[i].entries);
104 return updateSize(pb, pos);
107 /* Sample to chunk atom */
108 static int mov_write_stsc_tag(ByteIOContext *pb, MOVTrack *track)
110 int index = 0, oldval = -1, i;
111 int64_t entryPos, curpos;
113 int64_t pos = url_ftell(pb);
114 put_be32(pb, 0); /* size */
116 put_be32(pb, 0); // version & flags
117 entryPos = url_ftell(pb);
118 put_be32(pb, track->entry); // entry count
119 for (i=0; i<track->entry; i++) {
120 if(oldval != track->cluster[i].samplesInChunk)
122 put_be32(pb, i+1); // first chunk
123 put_be32(pb, track->cluster[i].samplesInChunk); // samples per chunk
124 put_be32(pb, 0x1); // sample description index
125 oldval = track->cluster[i].samplesInChunk;
129 curpos = url_ftell(pb);
130 url_fseek(pb, entryPos, SEEK_SET);
131 put_be32(pb, index); // rewrite size
132 url_fseek(pb, curpos, SEEK_SET);
134 return updateSize(pb, pos);
137 /* Sync sample atom */
138 static int mov_write_stss_tag(ByteIOContext *pb, MOVTrack *track, uint32_t flag)
140 int64_t curpos, entryPos;
142 int64_t pos = url_ftell(pb);
143 put_be32(pb, 0); // size
144 put_tag(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
145 put_be32(pb, 0); // version & flags
146 entryPos = url_ftell(pb);
147 put_be32(pb, track->entry); // entry count
148 for (i=0; i<track->entry; i++) {
149 if (track->cluster[i].flags & flag) {
154 curpos = url_ftell(pb);
155 url_fseek(pb, entryPos, SEEK_SET);
156 put_be32(pb, index); // rewrite size
157 url_fseek(pb, curpos, SEEK_SET);
158 return updateSize(pb, pos);
161 static int mov_write_amr_tag(ByteIOContext *pb, MOVTrack *track)
163 put_be32(pb, 0x11); /* size */
164 if (track->mode == MODE_MOV) put_tag(pb, "samr");
165 else put_tag(pb, "damr");
167 put_byte(pb, 0); /* decoder version */
169 put_be16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
170 put_byte(pb, 0x00); /* Mode change period (no restriction) */
171 put_byte(pb, 0x01); /* Frames per sample */
175 static int mov_write_ac3_tag(ByteIOContext *pb, MOVTrack *track)
180 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
182 if (track->vosLen < 7)
188 init_get_bits(&gbc, track->vosData+4, track->vosLen-4);
189 fscod = get_bits(&gbc, 2);
190 frmsizecod = get_bits(&gbc, 6);
191 bsid = get_bits(&gbc, 5);
192 bsmod = get_bits(&gbc, 3);
193 acmod = get_bits(&gbc, 3);
195 skip_bits(&gbc, 2); // dsurmod
197 if ((acmod & 1) && acmod != 1)
198 skip_bits(&gbc, 2); // cmixlev
200 skip_bits(&gbc, 2); // surmixlev
202 lfeon = get_bits1(&gbc);
204 init_put_bits(&pbc, buf, sizeof(buf));
205 put_bits(&pbc, 2, fscod);
206 put_bits(&pbc, 5, bsid);
207 put_bits(&pbc, 3, bsmod);
208 put_bits(&pbc, 3, acmod);
209 put_bits(&pbc, 1, lfeon);
210 put_bits(&pbc, 5, frmsizecod>>1); // bit_rate_code
211 put_bits(&pbc, 5, 0); // reserved
213 flush_put_bits(&pbc);
214 put_buffer(pb, buf, sizeof(buf));
220 * This function writes extradata "as is".
221 * Extradata must be formated like a valid atom (with size and tag)
223 static int mov_write_extradata_tag(ByteIOContext *pb, MOVTrack *track)
225 put_buffer(pb, track->enc->extradata, track->enc->extradata_size);
226 return track->enc->extradata_size;
229 static int mov_write_enda_tag(ByteIOContext *pb)
233 put_be16(pb, 1); /* little endian */
237 static unsigned int descrLength(unsigned int len)
240 for(i=1; len>>(7*i); i++);
244 static void putDescr(ByteIOContext *pb, int tag, unsigned int size)
246 int i= descrLength(size) - size - 2;
249 put_byte(pb, (size>>(7*i)) | 0x80);
250 put_byte(pb, size & 0x7F);
253 static int mov_write_esds_tag(ByteIOContext *pb, MOVTrack *track) // Basic
255 int64_t pos = url_ftell(pb);
256 int decoderSpecificInfoLen = track->vosLen ? descrLength(track->vosLen):0;
258 put_be32(pb, 0); // size
260 put_be32(pb, 0); // Version
263 putDescr(pb, 0x03, 3 + descrLength(13 + decoderSpecificInfoLen) +
265 put_be16(pb, track->trackID);
266 put_byte(pb, 0x00); // flags (= no flags)
268 // DecoderConfig descriptor
269 putDescr(pb, 0x04, 13 + decoderSpecificInfoLen);
271 // Object type indication
272 if ((track->enc->codec_id == CODEC_ID_MP2 ||
273 track->enc->codec_id == CODEC_ID_MP3) &&
274 track->enc->sample_rate > 24000)
275 put_byte(pb, 0x6B); // 11172-3
277 put_byte(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
279 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
280 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
281 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
282 put_byte(pb, 0x15); // flags (= Audiostream)
284 put_byte(pb, 0x11); // flags (= Visualstream)
286 put_byte(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits)
287 put_be16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB
289 put_be32(pb, FFMAX(track->enc->bit_rate, track->enc->rc_max_rate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
290 if(track->enc->rc_max_rate != track->enc->rc_min_rate || track->enc->rc_min_rate==0)
291 put_be32(pb, 0); // vbr
293 put_be32(pb, track->enc->rc_max_rate); // avg bitrate
296 // DecoderSpecific info descriptor
297 putDescr(pb, 0x05, track->vosLen);
298 put_buffer(pb, track->vosData, track->vosLen);
302 putDescr(pb, 0x06, 1);
304 return updateSize(pb, pos);
307 static int mov_pcm_le_gt16(enum CodecID codec_id)
309 return codec_id == CODEC_ID_PCM_S24LE ||
310 codec_id == CODEC_ID_PCM_S32LE ||
311 codec_id == CODEC_ID_PCM_F32LE ||
312 codec_id == CODEC_ID_PCM_F64LE;
315 static int mov_write_wave_tag(ByteIOContext *pb, MOVTrack *track)
317 int64_t pos = url_ftell(pb);
319 put_be32(pb, 0); /* size */
322 put_be32(pb, 12); /* size */
324 put_le32(pb, track->tag);
326 if (track->enc->codec_id == CODEC_ID_AAC) {
327 /* useless atom needed by mplayer, ipod, not needed by quicktime */
328 put_be32(pb, 12); /* size */
331 mov_write_esds_tag(pb, track);
332 } else if (mov_pcm_le_gt16(track->enc->codec_id)) {
333 mov_write_enda_tag(pb);
334 } else if (track->enc->codec_id == CODEC_ID_AMR_NB) {
335 mov_write_amr_tag(pb, track);
336 } else if (track->enc->codec_id == CODEC_ID_AC3) {
337 mov_write_ac3_tag(pb, track);
338 } else if (track->enc->codec_id == CODEC_ID_ALAC) {
339 mov_write_extradata_tag(pb, track);
342 put_be32(pb, 8); /* size */
343 put_be32(pb, 0); /* null tag */
345 return updateSize(pb, pos);
348 static int mov_write_glbl_tag(ByteIOContext *pb, MOVTrack *track)
350 put_be32(pb, track->vosLen+8);
352 put_buffer(pb, track->vosData, track->vosLen);
353 return 8+track->vosLen;
357 * Compute flags for 'lpcm' tag.
358 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
360 static int mov_get_lpcm_flags(enum CodecID codec_id)
363 case CODEC_ID_PCM_F32BE:
364 case CODEC_ID_PCM_F64BE:
366 case CODEC_ID_PCM_F32LE:
367 case CODEC_ID_PCM_F64LE:
369 case CODEC_ID_PCM_U8:
371 case CODEC_ID_PCM_S16BE:
372 case CODEC_ID_PCM_S24BE:
373 case CODEC_ID_PCM_S32BE:
375 case CODEC_ID_PCM_S8:
376 case CODEC_ID_PCM_S16LE:
377 case CODEC_ID_PCM_S24LE:
378 case CODEC_ID_PCM_S32LE:
385 static int mov_write_audio_tag(ByteIOContext *pb, MOVTrack *track)
387 int64_t pos = url_ftell(pb);
389 uint32_t tag = track->tag;
391 if (track->mode == MODE_MOV) {
392 if (track->timescale > UINT16_MAX) {
393 if (mov_get_lpcm_flags(track->enc->codec_id))
394 tag = AV_RL32("lpcm");
396 } else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id)) {
401 put_be32(pb, 0); /* size */
402 put_le32(pb, tag); // store it byteswapped
403 put_be32(pb, 0); /* Reserved */
404 put_be16(pb, 0); /* Reserved */
405 put_be16(pb, 1); /* Data-reference index, XXX == 1 */
407 /* SoundDescription */
408 put_be16(pb, version); /* Version */
409 put_be16(pb, 0); /* Revision level */
410 put_be32(pb, 0); /* Reserved */
415 put_be16(pb, 0xfffe);
417 put_be32(pb, 0x00010000);
419 put_be64(pb, av_dbl2int(track->timescale));
420 put_be32(pb, track->enc->channels);
421 put_be32(pb, 0x7F000000);
422 put_be32(pb, av_get_bits_per_sample(track->enc->codec_id));
423 put_be32(pb, mov_get_lpcm_flags(track->enc->codec_id));
424 put_be32(pb, track->sampleSize);
425 put_be32(pb, track->enc->frame_size);
427 if (track->mode == MODE_MOV) {
428 put_be16(pb, track->enc->channels);
429 if (track->enc->codec_id == CODEC_ID_PCM_U8 ||
430 track->enc->codec_id == CODEC_ID_PCM_S8)
431 put_be16(pb, 8); /* bits per sample */
434 put_be16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
435 } else { /* reserved for mp4/3gp */
441 put_be16(pb, 0); /* packet size (= 0) */
442 put_be16(pb, track->timescale); /* Time scale */
443 put_be16(pb, 0); /* Reserved */
446 if(version == 1) { /* SoundDescription V1 extended info */
447 put_be32(pb, track->enc->frame_size); /* Samples per packet */
448 put_be32(pb, track->sampleSize / track->enc->channels); /* Bytes per packet */
449 put_be32(pb, track->sampleSize); /* Bytes per frame */
450 put_be32(pb, 2); /* Bytes per sample */
453 if(track->mode == MODE_MOV &&
454 (track->enc->codec_id == CODEC_ID_AAC ||
455 track->enc->codec_id == CODEC_ID_AC3 ||
456 track->enc->codec_id == CODEC_ID_AMR_NB ||
457 track->enc->codec_id == CODEC_ID_ALAC ||
458 mov_pcm_le_gt16(track->enc->codec_id)))
459 mov_write_wave_tag(pb, track);
460 else if(track->tag == MKTAG('m','p','4','a'))
461 mov_write_esds_tag(pb, track);
462 else if(track->enc->codec_id == CODEC_ID_AMR_NB)
463 mov_write_amr_tag(pb, track);
464 else if(track->enc->codec_id == CODEC_ID_AC3)
465 mov_write_ac3_tag(pb, track);
466 else if(track->enc->codec_id == CODEC_ID_ALAC)
467 mov_write_extradata_tag(pb, track);
468 else if(track->vosLen > 0)
469 mov_write_glbl_tag(pb, track);
471 return updateSize(pb, pos);
474 static int mov_write_d263_tag(ByteIOContext *pb)
476 put_be32(pb, 0xf); /* size */
479 put_byte(pb, 0); /* decoder version */
480 /* FIXME use AVCodecContext level/profile, when encoder will set values */
481 put_byte(pb, 0xa); /* level */
482 put_byte(pb, 0); /* profile */
486 /* TODO: No idea about these values */
487 static int mov_write_svq3_tag(ByteIOContext *pb)
493 put_be32(pb, 0xe2c0211d);
494 put_be32(pb, 0xc0000000);
499 static int mov_write_avcc_tag(ByteIOContext *pb, MOVTrack *track)
501 int64_t pos = url_ftell(pb);
505 ff_isom_write_avcc(pb, track->vosData, track->vosLen);
506 return updateSize(pb, pos);
509 /* also used by all avid codecs (dv, imx, meridien) and their variants */
510 static int mov_write_avid_tag(ByteIOContext *pb, MOVTrack *track)
513 put_be32(pb, 24); /* size */
517 put_be32(pb, 1); /* yuv 1 / rgb 2 ? */
518 put_be32(pb, 0); /* unknown */
520 put_be32(pb, 24); /* size */
524 put_be32(pb, 1); /* unknown */
525 put_be32(pb, 0); /* unknown */
527 put_be32(pb, 120); /* size */
531 put_be32(pb, AV_RB32(track->vosData + 0x28)); /* dnxhd cid, some id ? */
532 put_be32(pb, track->enc->width);
533 /* values below are based on samples created with quicktime and avid codecs */
534 if (track->vosData[5] & 2) { // interlaced
535 put_be32(pb, track->enc->height/2);
536 put_be32(pb, 2); /* unknown */
537 put_be32(pb, 0); /* unknown */
538 put_be32(pb, 4); /* unknown */
540 put_be32(pb, track->enc->height);
541 put_be32(pb, 1); /* unknown */
542 put_be32(pb, 0); /* unknown */
543 if (track->enc->height == 1080)
544 put_be32(pb, 5); /* unknown */
546 put_be32(pb, 6); /* unknown */
549 for (i = 0; i < 10; i++)
552 /* extra padding for stsd needed */
557 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
559 int tag = track->enc->codec_tag;
561 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
564 if (track->enc->codec_id == CODEC_ID_H264) tag = MKTAG('a','v','c','1');
565 else if (track->enc->codec_id == CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
566 else if (track->enc->codec_id == CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
567 else if (track->enc->codec_id == CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
568 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
569 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
574 static const AVCodecTag codec_ipod_tags[] = {
575 { CODEC_ID_H264, MKTAG('a','v','c','1') },
576 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
577 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
578 { CODEC_ID_ALAC, MKTAG('a','l','a','c') },
579 { CODEC_ID_AC3, MKTAG('a','c','-','3') },
580 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
581 { CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
582 { CODEC_ID_NONE, 0 },
585 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
587 int tag = track->enc->codec_tag;
589 // keep original tag for subs, ipod supports both formats
590 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
591 (tag == MKTAG('t','x','3','g') ||
592 tag == MKTAG('t','e','x','t'))))
593 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
595 if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v"))
596 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
597 "Quicktime/Ipod might not play the file\n");
602 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
606 if (track->enc->height == 480) /* NTSC */
607 if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
608 else tag = MKTAG('d','v','c',' ');
609 else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
610 else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
611 else tag = MKTAG('d','v','p','p');
616 static const struct {
617 enum PixelFormat pix_fmt;
620 } mov_pix_fmt_tags[] = {
621 { PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
622 { PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
623 { PIX_FMT_BGR555, MKTAG('r','a','w',' '), 16 },
624 { PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
625 { PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
626 { PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
627 { PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
628 { PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
629 { PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
630 { PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
631 { PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
634 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
636 int tag = track->enc->codec_tag;
639 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
640 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
641 tag = mov_pix_fmt_tags[i].tag;
642 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
650 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
652 int tag = track->enc->codec_tag;
654 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
655 (tag == MKTAG('d','v','c','p') ||
656 track->enc->codec_id == CODEC_ID_RAWVIDEO ||
657 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
658 if (track->enc->codec_id == CODEC_ID_DVVIDEO)
659 tag = mov_get_dv_codec_tag(s, track);
660 else if (track->enc->codec_id == CODEC_ID_RAWVIDEO)
661 tag = mov_get_rawvideo_codec_tag(s, track);
662 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
663 tag = ff_codec_get_tag(codec_movvideo_tags, track->enc->codec_id);
664 if (!tag) { // if no mac fcc found, try with Microsoft tags
665 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
667 av_log(s, AV_LOG_INFO, "Warning, using MS style video codec tag, "
668 "the file may be unplayable!\n");
670 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
671 tag = ff_codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
672 if (!tag) { // if no mac fcc found, try with Microsoft tags
673 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
675 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
676 av_log(s, AV_LOG_INFO, "Warning, using MS style audio codec tag, "
677 "the file may be unplayable!\n");
680 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
681 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
687 static const AVCodecTag codec_3gp_tags[] = {
688 { CODEC_ID_H263, MKTAG('s','2','6','3') },
689 { CODEC_ID_H264, MKTAG('a','v','c','1') },
690 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
691 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
692 { CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
693 { CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
694 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
695 { CODEC_ID_NONE, 0 },
698 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
700 int tag = track->enc->codec_tag;
702 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
703 tag = mp4_get_codec_tag(s, track);
704 else if (track->mode == MODE_IPOD)
705 tag = ipod_get_codec_tag(s, track);
706 else if (track->mode & MODE_3GP)
707 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
709 tag = mov_get_codec_tag(s, track);
715 * Needed to make file play in iPods running newest firmware
716 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
718 static int mov_write_uuid_tag_ipod(ByteIOContext *pb)
722 put_be32(pb, 0x6b6840f2);
723 put_be32(pb, 0x5f244fc5);
724 put_be32(pb, 0xba39a51b);
725 put_be32(pb, 0xcf0323f3);
730 static int mov_write_subtitle_tag(ByteIOContext *pb, MOVTrack *track)
732 int64_t pos = url_ftell(pb);
733 put_be32(pb, 0); /* size */
734 put_le32(pb, track->tag); // store it byteswapped
735 put_be32(pb, 0); /* Reserved */
736 put_be16(pb, 0); /* Reserved */
737 put_be16(pb, 1); /* Data-reference index */
739 if (track->enc->extradata_size)
740 put_buffer(pb, track->enc->extradata, track->enc->extradata_size);
742 return updateSize(pb, pos);
745 static int mov_write_video_tag(ByteIOContext *pb, MOVTrack *track)
747 int64_t pos = url_ftell(pb);
748 char compressor_name[32];
750 put_be32(pb, 0); /* size */
751 put_le32(pb, track->tag); // store it byteswapped
752 put_be32(pb, 0); /* Reserved */
753 put_be16(pb, 0); /* Reserved */
754 put_be16(pb, 1); /* Data-reference index */
756 put_be16(pb, 0); /* Codec stream version */
757 put_be16(pb, 0); /* Codec stream revision (=0) */
758 if (track->mode == MODE_MOV) {
759 put_tag(pb, "FFMP"); /* Vendor */
760 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
761 put_be32(pb, 0); /* Temporal Quality */
762 put_be32(pb, 0x400); /* Spatial Quality = lossless*/
764 put_be32(pb, 0x200); /* Temporal Quality = normal */
765 put_be32(pb, 0x200); /* Spatial Quality = normal */
768 put_be32(pb, 0); /* Reserved */
769 put_be32(pb, 0); /* Reserved */
770 put_be32(pb, 0); /* Reserved */
772 put_be16(pb, track->enc->width); /* Video width */
773 put_be16(pb, track->height); /* Video height */
774 put_be32(pb, 0x00480000); /* Horizontal resolution 72dpi */
775 put_be32(pb, 0x00480000); /* Vertical resolution 72dpi */
776 put_be32(pb, 0); /* Data size (= 0) */
777 put_be16(pb, 1); /* Frame count (= 1) */
779 memset(compressor_name,0,32);
780 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
781 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
782 strncpy(compressor_name,track->enc->codec->name,31);
783 put_byte(pb, strlen(compressor_name));
784 put_buffer(pb, compressor_name, 31);
786 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
787 put_be16(pb, track->enc->bits_per_coded_sample);
789 put_be16(pb, 0x18); /* Reserved */
790 put_be16(pb, 0xffff); /* Reserved */
791 if(track->tag == MKTAG('m','p','4','v'))
792 mov_write_esds_tag(pb, track);
793 else if(track->enc->codec_id == CODEC_ID_H263)
794 mov_write_d263_tag(pb);
795 else if(track->enc->codec_id == CODEC_ID_SVQ3)
796 mov_write_svq3_tag(pb);
797 else if(track->enc->codec_id == CODEC_ID_DNXHD)
798 mov_write_avid_tag(pb, track);
799 else if(track->enc->codec_id == CODEC_ID_H264) {
800 mov_write_avcc_tag(pb, track);
801 if(track->mode == MODE_IPOD)
802 mov_write_uuid_tag_ipod(pb);
803 } else if(track->vosLen > 0)
804 mov_write_glbl_tag(pb, track);
806 return updateSize(pb, pos);
809 static int mov_write_stsd_tag(ByteIOContext *pb, MOVTrack *track)
811 int64_t pos = url_ftell(pb);
812 put_be32(pb, 0); /* size */
814 put_be32(pb, 0); /* version & flags */
815 put_be32(pb, 1); /* entry count */
816 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
817 mov_write_video_tag(pb, track);
818 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
819 mov_write_audio_tag(pb, track);
820 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
821 mov_write_subtitle_tag(pb, track);
822 return updateSize(pb, pos);
825 static int mov_write_ctts_tag(ByteIOContext *pb, MOVTrack *track)
827 MOVStts *ctts_entries;
828 uint32_t entries = 0;
832 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
833 ctts_entries[0].count = 1;
834 ctts_entries[0].duration = track->cluster[0].cts;
835 for (i=1; i<track->entry; i++) {
836 if (track->cluster[i].cts == ctts_entries[entries].duration) {
837 ctts_entries[entries].count++; /* compress */
840 ctts_entries[entries].duration = track->cluster[i].cts;
841 ctts_entries[entries].count = 1;
844 entries++; /* last one */
845 atom_size = 16 + (entries * 8);
846 put_be32(pb, atom_size); /* size */
848 put_be32(pb, 0); /* version & flags */
849 put_be32(pb, entries); /* entry count */
850 for (i=0; i<entries; i++) {
851 put_be32(pb, ctts_entries[i].count);
852 put_be32(pb, ctts_entries[i].duration);
854 av_free(ctts_entries);
858 /* Time to sample atom */
859 static int mov_write_stts_tag(ByteIOContext *pb, MOVTrack *track)
861 MOVStts *stts_entries;
862 uint32_t entries = -1;
866 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
867 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
868 stts_entries[0].count = track->sampleCount;
869 stts_entries[0].duration = 1;
872 stts_entries = av_malloc(track->entry * sizeof(*stts_entries)); /* worst case */
873 for (i=0; i<track->entry; i++) {
874 int64_t duration = i + 1 == track->entry ?
875 track->trackDuration - track->cluster[i].dts + track->cluster[0].dts : /* readjusting */
876 track->cluster[i+1].dts - track->cluster[i].dts;
877 if (i && duration == stts_entries[entries].duration) {
878 stts_entries[entries].count++; /* compress */
881 stts_entries[entries].duration = duration;
882 stts_entries[entries].count = 1;
885 entries++; /* last one */
887 atom_size = 16 + (entries * 8);
888 put_be32(pb, atom_size); /* size */
890 put_be32(pb, 0); /* version & flags */
891 put_be32(pb, entries); /* entry count */
892 for (i=0; i<entries; i++) {
893 put_be32(pb, stts_entries[i].count);
894 put_be32(pb, stts_entries[i].duration);
896 av_free(stts_entries);
900 static int mov_write_dref_tag(ByteIOContext *pb)
902 put_be32(pb, 28); /* size */
904 put_be32(pb, 0); /* version & flags */
905 put_be32(pb, 1); /* entry count */
907 put_be32(pb, 0xc); /* size */
909 put_be32(pb, 1); /* version & flags */
914 static int mov_write_stbl_tag(ByteIOContext *pb, MOVTrack *track)
916 int64_t pos = url_ftell(pb);
917 put_be32(pb, 0); /* size */
919 mov_write_stsd_tag(pb, track);
920 mov_write_stts_tag(pb, track);
921 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
922 track->hasKeyframes && track->hasKeyframes < track->entry)
923 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
924 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
925 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
926 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
927 track->flags & MOV_TRACK_CTTS)
928 mov_write_ctts_tag(pb, track);
929 mov_write_stsc_tag(pb, track);
930 mov_write_stsz_tag(pb, track);
931 mov_write_stco_tag(pb, track);
932 return updateSize(pb, pos);
935 static int mov_write_dinf_tag(ByteIOContext *pb)
937 int64_t pos = url_ftell(pb);
938 put_be32(pb, 0); /* size */
940 mov_write_dref_tag(pb);
941 return updateSize(pb, pos);
944 static int mov_write_nmhd_tag(ByteIOContext *pb)
952 static int mov_write_gmhd_tag(ByteIOContext *pb)
954 put_be32(pb, 0x20); /* size */
956 put_be32(pb, 0x18); /* gmin size */
957 put_tag(pb, "gmin"); /* generic media info */
958 put_be32(pb, 0); /* version & flags */
959 put_be16(pb, 0x40); /* graphics mode = */
960 put_be16(pb, 0x8000); /* opColor (r?) */
961 put_be16(pb, 0x8000); /* opColor (g?) */
962 put_be16(pb, 0x8000); /* opColor (b?) */
963 put_be16(pb, 0); /* balance */
964 put_be16(pb, 0); /* reserved */
968 static int mov_write_smhd_tag(ByteIOContext *pb)
970 put_be32(pb, 16); /* size */
972 put_be32(pb, 0); /* version & flags */
973 put_be16(pb, 0); /* reserved (balance, normally = 0) */
974 put_be16(pb, 0); /* reserved */
978 static int mov_write_vmhd_tag(ByteIOContext *pb)
980 put_be32(pb, 0x14); /* size (always 0x14) */
982 put_be32(pb, 0x01); /* version & flags */
983 put_be64(pb, 0); /* reserved (graphics mode = copy) */
987 static int mov_write_hdlr_tag(ByteIOContext *pb, MOVTrack *track)
989 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
990 int64_t pos = url_ftell(pb);
992 if (!track) { /* no media --> data handler */
995 descr = "DataHandler";
997 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
998 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1000 descr = "VideoHandler";
1001 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1003 descr = "SoundHandler";
1004 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1005 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
1006 else hdlr_type = "text";
1007 descr = "SubtitleHandler";
1011 put_be32(pb, 0); /* size */
1012 put_tag(pb, "hdlr");
1013 put_be32(pb, 0); /* Version & flags */
1014 put_buffer(pb, hdlr, 4); /* handler */
1015 put_tag(pb, hdlr_type); /* handler type */
1016 put_be32(pb ,0); /* reserved */
1017 put_be32(pb ,0); /* reserved */
1018 put_be32(pb ,0); /* reserved */
1019 if (!track || track->mode == MODE_MOV)
1020 put_byte(pb, strlen(descr)); /* pascal string */
1021 put_buffer(pb, descr, strlen(descr)); /* handler description */
1022 if (track && track->mode != MODE_MOV)
1023 put_byte(pb, 0); /* c string */
1024 return updateSize(pb, pos);
1027 static int mov_write_minf_tag(ByteIOContext *pb, MOVTrack *track)
1029 int64_t pos = url_ftell(pb);
1030 put_be32(pb, 0); /* size */
1031 put_tag(pb, "minf");
1032 if(track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1033 mov_write_vmhd_tag(pb);
1034 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1035 mov_write_smhd_tag(pb);
1036 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1037 if (track->tag == MKTAG('t','e','x','t')) mov_write_gmhd_tag(pb);
1038 else mov_write_nmhd_tag(pb);
1040 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1041 mov_write_hdlr_tag(pb, NULL);
1042 mov_write_dinf_tag(pb);
1043 mov_write_stbl_tag(pb, track);
1044 return updateSize(pb, pos);
1047 static int mov_write_mdhd_tag(ByteIOContext *pb, MOVTrack *track)
1049 int version = track->trackDuration < INT32_MAX ? 0 : 1;
1051 (version == 1) ? put_be32(pb, 44) : put_be32(pb, 32); /* size */
1052 put_tag(pb, "mdhd");
1053 put_byte(pb, version);
1054 put_be24(pb, 0); /* flags */
1056 put_be64(pb, track->time);
1057 put_be64(pb, track->time);
1059 put_be32(pb, track->time); /* creation time */
1060 put_be32(pb, track->time); /* modification time */
1062 put_be32(pb, track->timescale); /* time scale (sample rate for audio) */
1063 (version == 1) ? put_be64(pb, track->trackDuration) : put_be32(pb, track->trackDuration); /* duration */
1064 put_be16(pb, track->language); /* language */
1065 put_be16(pb, 0); /* reserved (quality) */
1067 if(version!=0 && track->mode == MODE_MOV){
1068 av_log(NULL, AV_LOG_ERROR,
1069 "FATAL error, file duration too long for timebase, this file will not be\n"
1070 "playable with quicktime. Choose a different timebase or a different\n"
1071 "container format\n");
1077 static int mov_write_mdia_tag(ByteIOContext *pb, MOVTrack *track)
1079 int64_t pos = url_ftell(pb);
1080 put_be32(pb, 0); /* size */
1081 put_tag(pb, "mdia");
1082 mov_write_mdhd_tag(pb, track);
1083 mov_write_hdlr_tag(pb, track);
1084 mov_write_minf_tag(pb, track);
1085 return updateSize(pb, pos);
1088 static int mov_write_tkhd_tag(ByteIOContext *pb, MOVTrack *track, AVStream *st)
1090 int64_t duration = av_rescale_rnd(track->trackDuration, MOV_TIMESCALE,
1091 track->timescale, AV_ROUND_UP);
1092 int version = duration < INT32_MAX ? 0 : 1;
1094 (version == 1) ? put_be32(pb, 104) : put_be32(pb, 92); /* size */
1095 put_tag(pb, "tkhd");
1096 put_byte(pb, version);
1097 put_be24(pb, 0xf); /* flags (track enabled) */
1099 put_be64(pb, track->time);
1100 put_be64(pb, track->time);
1102 put_be32(pb, track->time); /* creation time */
1103 put_be32(pb, track->time); /* modification time */
1105 put_be32(pb, track->trackID); /* track-id */
1106 put_be32(pb, 0); /* reserved */
1107 (version == 1) ? put_be64(pb, duration) : put_be32(pb, duration);
1109 put_be32(pb, 0); /* reserved */
1110 put_be32(pb, 0); /* reserved */
1111 put_be32(pb, 0x0); /* reserved (Layer & Alternate group) */
1112 /* Volume, only for audio */
1113 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1114 put_be16(pb, 0x0100);
1117 put_be16(pb, 0); /* reserved */
1119 /* Matrix structure */
1120 put_be32(pb, 0x00010000); /* reserved */
1121 put_be32(pb, 0x0); /* reserved */
1122 put_be32(pb, 0x0); /* reserved */
1123 put_be32(pb, 0x0); /* reserved */
1124 put_be32(pb, 0x00010000); /* reserved */
1125 put_be32(pb, 0x0); /* reserved */
1126 put_be32(pb, 0x0); /* reserved */
1127 put_be32(pb, 0x0); /* reserved */
1128 put_be32(pb, 0x40000000); /* reserved */
1130 /* Track width and height, for visual only */
1131 if(st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1132 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
1133 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1134 if(!sample_aspect_ratio || track->height != track->enc->height)
1135 sample_aspect_ratio = 1;
1136 put_be32(pb, sample_aspect_ratio * track->enc->width*0x10000);
1137 put_be32(pb, track->height*0x10000);
1146 // This box seems important for the psp playback ... without it the movie seems to hang
1147 static int mov_write_edts_tag(ByteIOContext *pb, MOVTrack *track)
1149 put_be32(pb, 0x24); /* size */
1150 put_tag(pb, "edts");
1151 put_be32(pb, 0x1c); /* size */
1152 put_tag(pb, "elst");
1156 /* duration ... doesn't seem to effect psp */
1157 put_be32(pb, av_rescale_rnd(track->trackDuration, MOV_TIMESCALE,
1158 track->timescale, AV_ROUND_UP));
1160 put_be32(pb, track->cluster[0].cts); /* first pts is cts since dts is 0 */
1161 put_be32(pb, 0x00010000);
1165 static int mov_write_tref_tag(ByteIOContext *pb, MOVTrack *track)
1167 put_be32(pb, 20); // size
1168 put_tag(pb, "tref");
1169 put_be32(pb, 12); // size (subatom)
1170 put_le32(pb, track->tref_tag);
1171 put_be32(pb, track->tref_id);
1175 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1176 static int mov_write_uuid_tag_psp(ByteIOContext *pb, MOVTrack *mov)
1178 put_be32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1179 put_tag(pb, "uuid");
1180 put_tag(pb, "USMT");
1181 put_be32(pb, 0x21d24fce);
1182 put_be32(pb, 0xbb88695c);
1183 put_be32(pb, 0xfac9c740);
1184 put_be32(pb, 0x1c); // another size here!
1185 put_tag(pb, "MTDT");
1186 put_be32(pb, 0x00010012);
1188 put_be32(pb, 0x55c40000);
1194 static int mov_write_trak_tag(ByteIOContext *pb, MOVTrack *track, AVStream *st)
1196 int64_t pos = url_ftell(pb);
1197 put_be32(pb, 0); /* size */
1198 put_tag(pb, "trak");
1199 mov_write_tkhd_tag(pb, track, st);
1200 if (track->mode == MODE_PSP || track->flags & MOV_TRACK_CTTS)
1201 mov_write_edts_tag(pb, track); // PSP Movies require edts box
1202 if (track->tref_tag)
1203 mov_write_tref_tag(pb, track);
1204 mov_write_mdia_tag(pb, track);
1205 if (track->mode == MODE_PSP)
1206 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
1207 return updateSize(pb, pos);
1211 /* TODO: Not sorted out, but not necessary either */
1212 static int mov_write_iods_tag(ByteIOContext *pb, MOVMuxContext *mov)
1214 put_be32(pb, 0x15); /* size */
1215 put_tag(pb, "iods");
1216 put_be32(pb, 0); /* version & flags */
1217 put_be16(pb, 0x1007);
1219 put_be16(pb, 0x4fff);
1220 put_be16(pb, 0xfffe);
1221 put_be16(pb, 0x01ff);
1226 static int mov_write_mvhd_tag(ByteIOContext *pb, MOVMuxContext *mov)
1228 int maxTrackID = 1, i;
1229 int64_t maxTrackLenTemp, maxTrackLen = 0;
1232 for (i=0; i<mov->nb_streams; i++) {
1233 if(mov->tracks[i].entry > 0) {
1234 maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration,
1236 mov->tracks[i].timescale,
1238 if(maxTrackLen < maxTrackLenTemp)
1239 maxTrackLen = maxTrackLenTemp;
1240 if(maxTrackID < mov->tracks[i].trackID)
1241 maxTrackID = mov->tracks[i].trackID;
1245 version = maxTrackLen < UINT32_MAX ? 0 : 1;
1246 (version == 1) ? put_be32(pb, 120) : put_be32(pb, 108); /* size */
1247 put_tag(pb, "mvhd");
1248 put_byte(pb, version);
1249 put_be24(pb, 0); /* flags */
1251 put_be64(pb, mov->time);
1252 put_be64(pb, mov->time);
1254 put_be32(pb, mov->time); /* creation time */
1255 put_be32(pb, mov->time); /* modification time */
1257 put_be32(pb, MOV_TIMESCALE);
1258 (version == 1) ? put_be64(pb, maxTrackLen) : put_be32(pb, maxTrackLen); /* duration of longest track */
1260 put_be32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1261 put_be16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1262 put_be16(pb, 0); /* reserved */
1263 put_be32(pb, 0); /* reserved */
1264 put_be32(pb, 0); /* reserved */
1266 /* Matrix structure */
1267 put_be32(pb, 0x00010000); /* reserved */
1268 put_be32(pb, 0x0); /* reserved */
1269 put_be32(pb, 0x0); /* reserved */
1270 put_be32(pb, 0x0); /* reserved */
1271 put_be32(pb, 0x00010000); /* reserved */
1272 put_be32(pb, 0x0); /* reserved */
1273 put_be32(pb, 0x0); /* reserved */
1274 put_be32(pb, 0x0); /* reserved */
1275 put_be32(pb, 0x40000000); /* reserved */
1277 put_be32(pb, 0); /* reserved (preview time) */
1278 put_be32(pb, 0); /* reserved (preview duration) */
1279 put_be32(pb, 0); /* reserved (poster time) */
1280 put_be32(pb, 0); /* reserved (selection time) */
1281 put_be32(pb, 0); /* reserved (selection duration) */
1282 put_be32(pb, 0); /* reserved (current time) */
1283 put_be32(pb, maxTrackID+1); /* Next track id */
1287 static int mov_write_itunes_hdlr_tag(ByteIOContext *pb, MOVMuxContext *mov,
1290 put_be32(pb, 33); /* size */
1291 put_tag(pb, "hdlr");
1294 put_tag(pb, "mdir");
1295 put_tag(pb, "appl");
1302 /* helper function to write a data tag with the specified string as data */
1303 static int mov_write_string_data_tag(ByteIOContext *pb, const char *data, int lang, int long_style)
1306 int size = 16 + strlen(data);
1307 put_be32(pb, size); /* size */
1308 put_tag(pb, "data");
1311 put_buffer(pb, data, strlen(data));
1315 lang = ff_mov_iso639_to_lang("und", 1);
1316 put_be16(pb, strlen(data)); /* string length */
1318 put_buffer(pb, data, strlen(data));
1319 return strlen(data) + 4;
1323 static int mov_write_string_tag(ByteIOContext *pb, const char *name, const char *value, int lang, int long_style){
1325 if (value && value[0]) {
1326 int64_t pos = url_ftell(pb);
1327 put_be32(pb, 0); /* size */
1329 mov_write_string_data_tag(pb, value, lang, long_style);
1330 size= updateSize(pb, pos);
1335 static int mov_write_string_metadata(AVFormatContext *s, ByteIOContext *pb,
1336 const char *name, const char *tag,
1339 int l, lang = 0, len, len2;
1340 AVMetadataTag *t, *t2 = NULL;
1343 if (!(t = av_metadata_get(s->metadata, tag, NULL, 0)))
1346 len = strlen(t->key);
1347 snprintf(tag2, sizeof(tag2), "%s-", tag);
1348 while ((t2 = av_metadata_get(s->metadata, tag2, t2, AV_METADATA_IGNORE_SUFFIX))) {
1349 len2 = strlen(t2->key);
1350 if (len2 == len+4 && !strcmp(t->value, t2->value)
1351 && (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 1)) >= 0) {
1356 return mov_write_string_tag(pb, name, t->value, lang, long_style);
1359 /* iTunes track number */
1360 static int mov_write_trkn_tag(ByteIOContext *pb, MOVMuxContext *mov,
1363 AVMetadataTag *t = av_metadata_get(s->metadata, "track", NULL, 0);
1364 int size = 0, track = t ? atoi(t->value) : 0;
1366 put_be32(pb, 32); /* size */
1367 put_tag(pb, "trkn");
1368 put_be32(pb, 24); /* size */
1369 put_tag(pb, "data");
1370 put_be32(pb, 0); // 8 bytes empty
1372 put_be16(pb, 0); // empty
1373 put_be16(pb, track); // track number
1374 put_be16(pb, 0); // total track number
1375 put_be16(pb, 0); // empty
1381 /* iTunes meta data list */
1382 static int mov_write_ilst_tag(ByteIOContext *pb, MOVMuxContext *mov,
1385 int64_t pos = url_ftell(pb);
1386 put_be32(pb, 0); /* size */
1387 put_tag(pb, "ilst");
1388 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
1389 mov_write_string_metadata(s, pb, "\251ART", "author" , 1);
1390 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
1391 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
1392 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
1393 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
1394 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
1395 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
1396 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
1397 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
1398 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
1399 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
1400 mov_write_string_metadata(s, pb, "desc", "description",1);
1401 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
1402 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
1403 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
1404 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
1405 mov_write_trkn_tag(pb, mov, s);
1406 return updateSize(pb, pos);
1409 /* iTunes meta data tag */
1410 static int mov_write_meta_tag(ByteIOContext *pb, MOVMuxContext *mov,
1414 int64_t pos = url_ftell(pb);
1415 put_be32(pb, 0); /* size */
1416 put_tag(pb, "meta");
1418 mov_write_itunes_hdlr_tag(pb, mov, s);
1419 mov_write_ilst_tag(pb, mov, s);
1420 size = updateSize(pb, pos);
1424 static int utf8len(const uint8_t *b)
1429 GET_UTF8(val, *b++, return -1;)
1435 static int ascii_to_wc(ByteIOContext *pb, const uint8_t *b)
1439 GET_UTF8(val, *b++, return -1;)
1446 static uint16_t language_code(const char *str)
1448 return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
1451 static int mov_write_3gp_udta_tag(ByteIOContext *pb, AVFormatContext *s,
1452 const char *tag, const char *str)
1454 int64_t pos = url_ftell(pb);
1455 AVMetadataTag *t = av_metadata_get(s->metadata, str, NULL, 0);
1456 if (!t || !utf8len(t->value))
1458 put_be32(pb, 0); /* size */
1459 put_tag (pb, tag); /* type */
1460 put_be32(pb, 0); /* version + flags */
1461 if (!strcmp(tag, "yrrc"))
1462 put_be16(pb, atoi(t->value));
1464 put_be16(pb, language_code("eng")); /* language */
1465 put_buffer(pb, t->value, strlen(t->value)+1); /* UTF8 string value */
1466 if (!strcmp(tag, "albm") &&
1467 (t = av_metadata_get(s->metadata, "date", NULL, 0)))
1468 put_byte(pb, atoi(t->value));
1470 return updateSize(pb, pos);
1473 static int mov_write_chpl_tag(ByteIOContext *pb, AVFormatContext *s)
1475 int64_t pos = url_ftell(pb);
1476 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
1478 put_be32(pb, 0); // size
1479 put_tag (pb, "chpl");
1480 put_be32(pb, 0x01000000); // version + flags
1481 put_be32(pb, 0); // unknown
1482 put_byte(pb, nb_chapters);
1484 for (i = 0; i < nb_chapters; i++) {
1485 AVChapter *c = s->chapters[i];
1487 put_be64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
1489 if ((t = av_metadata_get(c->metadata, "title", NULL, 0))) {
1490 int len = FFMIN(strlen(t->value), 255);
1492 put_buffer(pb, t->value, len);
1496 return updateSize(pb, pos);
1499 static int mov_write_udta_tag(ByteIOContext *pb, MOVMuxContext *mov,
1502 ByteIOContext *pb_buf;
1506 for (i = 0; i < s->nb_streams; i++)
1507 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
1511 ret = url_open_dyn_buf(&pb_buf);
1515 if (mov->mode & MODE_3GP) {
1516 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
1517 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
1518 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
1519 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
1520 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
1521 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
1522 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
1523 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
1524 mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0);
1525 mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0);
1526 mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0);
1527 mov_write_string_metadata(s, pb_buf, "\251day", "date" , 0);
1528 mov_write_string_tag(pb_buf, "\251enc", LIBAVFORMAT_IDENT, 0, 0);
1529 mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0);
1530 mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0);
1531 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0);
1533 /* iTunes meta data */
1534 mov_write_meta_tag(pb_buf, mov, s);
1538 mov_write_chpl_tag(pb_buf, s);
1540 if ((size = url_close_dyn_buf(pb_buf, &buf)) > 0) {
1541 put_be32(pb, size+8);
1542 put_tag(pb, "udta");
1543 put_buffer(pb, buf, size);
1550 static void mov_write_psp_udta_tag(ByteIOContext *pb,
1551 const char *str, const char *lang, int type)
1553 int len = utf8len(str)+1;
1556 put_be16(pb, len*2+10); /* size */
1557 put_be32(pb, type); /* type */
1558 put_be16(pb, language_code(lang)); /* language */
1559 put_be16(pb, 0x01); /* ? */
1560 ascii_to_wc(pb, str);
1563 static int mov_write_uuidusmt_tag(ByteIOContext *pb, AVFormatContext *s)
1565 AVMetadataTag *title = av_metadata_get(s->metadata, "title", NULL, 0);
1569 pos = url_ftell(pb);
1570 put_be32(pb, 0); /* size placeholder*/
1571 put_tag(pb, "uuid");
1572 put_tag(pb, "USMT");
1573 put_be32(pb, 0x21d24fce); /* 96 bit UUID */
1574 put_be32(pb, 0xbb88695c);
1575 put_be32(pb, 0xfac9c740);
1577 pos2 = url_ftell(pb);
1578 put_be32(pb, 0); /* size placeholder*/
1579 put_tag(pb, "MTDT");
1583 put_be16(pb, 0x0C); /* size */
1584 put_be32(pb, 0x0B); /* type */
1585 put_be16(pb, language_code("und")); /* language */
1586 put_be16(pb, 0x0); /* ? */
1587 put_be16(pb, 0x021C); /* data */
1589 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
1590 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
1591 // 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);
1592 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
1594 updateSize(pb, pos2);
1595 return updateSize(pb, pos);
1601 static int mov_write_moov_tag(ByteIOContext *pb, MOVMuxContext *mov,
1605 int64_t pos = url_ftell(pb);
1606 put_be32(pb, 0); /* size placeholder*/
1607 put_tag(pb, "moov");
1609 for (i=0; i<mov->nb_streams; i++) {
1610 if(mov->tracks[i].entry <= 0) continue;
1612 mov->tracks[i].time = mov->time;
1613 mov->tracks[i].trackID = i+1;
1616 if (mov->chapter_track)
1617 for (i=0; i<s->nb_streams; i++) {
1618 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
1619 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].trackID;
1622 mov_write_mvhd_tag(pb, mov);
1623 //mov_write_iods_tag(pb, mov);
1624 for (i=0; i<mov->nb_streams; i++) {
1625 if(mov->tracks[i].entry > 0) {
1626 mov_write_trak_tag(pb, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
1630 if (mov->mode == MODE_PSP)
1631 mov_write_uuidusmt_tag(pb, s);
1633 mov_write_udta_tag(pb, mov, s);
1635 return updateSize(pb, pos);
1638 static int mov_write_mdat_tag(ByteIOContext *pb, MOVMuxContext *mov)
1640 put_be32(pb, 8); // placeholder for extended size field (64 bit)
1641 put_tag(pb, mov->mode == MODE_MOV ? "wide" : "free");
1643 mov->mdat_pos = url_ftell(pb);
1644 put_be32(pb, 0); /* size placeholder*/
1645 put_tag(pb, "mdat");
1649 /* TODO: This needs to be more general */
1650 static int mov_write_ftyp_tag(ByteIOContext *pb, AVFormatContext *s)
1652 MOVMuxContext *mov = s->priv_data;
1653 int64_t pos = url_ftell(pb);
1654 int has_h264 = 0, has_video = 0;
1658 for (i = 0; i < s->nb_streams; i++) {
1659 AVStream *st = s->streams[i];
1660 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
1662 if (st->codec->codec_id == CODEC_ID_H264)
1666 put_be32(pb, 0); /* size */
1667 put_tag(pb, "ftyp");
1669 if (mov->mode == MODE_3GP) {
1670 put_tag(pb, has_h264 ? "3gp6" : "3gp4");
1671 minor = has_h264 ? 0x100 : 0x200;
1672 } else if (mov->mode & MODE_3G2) {
1673 put_tag(pb, has_h264 ? "3g2b" : "3g2a");
1674 minor = has_h264 ? 0x20000 : 0x10000;
1675 }else if (mov->mode == MODE_PSP)
1676 put_tag(pb, "MSNV");
1677 else if (mov->mode == MODE_MP4)
1678 put_tag(pb, "isom");
1679 else if (mov->mode == MODE_IPOD)
1680 put_tag(pb, has_video ? "M4V ":"M4A ");
1684 put_be32(pb, minor);
1686 if(mov->mode == MODE_MOV)
1689 put_tag(pb, "isom");
1690 put_tag(pb, "iso2");
1692 put_tag(pb, "avc1");
1695 if (mov->mode == MODE_3GP)
1696 put_tag(pb, has_h264 ? "3gp6":"3gp4");
1697 else if (mov->mode & MODE_3G2)
1698 put_tag(pb, has_h264 ? "3g2b":"3g2a");
1699 else if (mov->mode == MODE_PSP)
1700 put_tag(pb, "MSNV");
1701 else if (mov->mode == MODE_MP4)
1702 put_tag(pb, "mp41");
1703 return updateSize(pb, pos);
1706 static void mov_write_uuidprof_tag(ByteIOContext *pb, AVFormatContext *s)
1708 AVCodecContext *VideoCodec = s->streams[0]->codec;
1709 AVCodecContext *AudioCodec = s->streams[1]->codec;
1710 int AudioRate = AudioCodec->sample_rate;
1711 int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num);
1712 int audio_kbitrate= AudioCodec->bit_rate / 1000;
1713 int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate);
1715 put_be32(pb, 0x94); /* size */
1716 put_tag(pb, "uuid");
1717 put_tag(pb, "PROF");
1719 put_be32(pb, 0x21d24fce); /* 96 bit UUID */
1720 put_be32(pb, 0xbb88695c);
1721 put_be32(pb, 0xfac9c740);
1723 put_be32(pb, 0x0); /* ? */
1724 put_be32(pb, 0x3); /* 3 sections ? */
1726 put_be32(pb, 0x14); /* size */
1727 put_tag(pb, "FPRF");
1728 put_be32(pb, 0x0); /* ? */
1729 put_be32(pb, 0x0); /* ? */
1730 put_be32(pb, 0x0); /* ? */
1732 put_be32(pb, 0x2c); /* size */
1733 put_tag(pb, "APRF"); /* audio */
1735 put_be32(pb, 0x2); /* TrackID */
1736 put_tag(pb, "mp4a");
1737 put_be32(pb, 0x20f);
1739 put_be32(pb, audio_kbitrate);
1740 put_be32(pb, audio_kbitrate);
1741 put_be32(pb, AudioRate);
1742 put_be32(pb, AudioCodec->channels);
1744 put_be32(pb, 0x34); /* size */
1745 put_tag(pb, "VPRF"); /* video */
1747 put_be32(pb, 0x1); /* TrackID */
1748 if (VideoCodec->codec_id == CODEC_ID_H264) {
1749 put_tag(pb, "avc1");
1750 put_be16(pb, 0x014D);
1751 put_be16(pb, 0x0015);
1753 put_tag(pb, "mp4v");
1754 put_be16(pb, 0x0000);
1755 put_be16(pb, 0x0103);
1758 put_be32(pb, video_kbitrate);
1759 put_be32(pb, video_kbitrate);
1760 put_be32(pb, FrameRate);
1761 put_be32(pb, FrameRate);
1762 put_be16(pb, VideoCodec->width);
1763 put_be16(pb, VideoCodec->height);
1764 put_be32(pb, 0x010001); /* ? */
1767 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
1770 int i, closed_gop = 0;
1772 for (i = 0; i < pkt->size - 4; i++) {
1773 c = (c<<8) + pkt->data[i];
1774 if (c == 0x1b8) { // gop
1775 closed_gop = pkt->data[i+4]>>6 & 0x01;
1776 } else if (c == 0x100) { // pic
1777 int temp_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
1778 if (!temp_ref || closed_gop) // I picture is not reordered
1779 *flags = MOV_SYNC_SAMPLE;
1781 *flags = MOV_PARTIAL_SYNC_SAMPLE;
1788 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
1790 MOVMuxContext *mov = s->priv_data;
1791 ByteIOContext *pb = s->pb;
1792 MOVTrack *trk = &mov->tracks[pkt->stream_index];
1793 AVCodecContext *enc = trk->enc;
1794 unsigned int samplesInChunk = 0;
1795 int size= pkt->size;
1797 if (url_is_streamed(s->pb)) return 0; /* Can't handle that */
1798 if (!size) return 0; /* Discard 0 sized packets */
1800 if (enc->codec_id == CODEC_ID_AMR_NB) {
1801 /* We must find out how many AMR blocks there are in one packet */
1802 static uint16_t packed_size[16] =
1803 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 0};
1806 while (len < size && samplesInChunk < 100) {
1807 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
1810 if(samplesInChunk > 1){
1811 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
1814 } else if (trk->sampleSize)
1815 samplesInChunk = size/trk->sampleSize;
1819 /* copy extradata if it exists */
1820 if (trk->vosLen == 0 && enc->extradata_size > 0) {
1821 trk->vosLen = enc->extradata_size;
1822 trk->vosData = av_malloc(trk->vosLen);
1823 memcpy(trk->vosData, enc->extradata, trk->vosLen);
1826 if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) {
1827 /* from x264 or from bytestream h264 */
1828 /* nal reformating needed */
1829 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
1831 put_buffer(pb, pkt->data, size);
1834 if ((enc->codec_id == CODEC_ID_DNXHD ||
1835 enc->codec_id == CODEC_ID_AC3) && !trk->vosLen) {
1836 /* copy frame to create needed atoms */
1838 trk->vosData = av_malloc(size);
1840 return AVERROR(ENOMEM);
1841 memcpy(trk->vosData, pkt->data, size);
1844 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
1845 trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster));
1850 trk->cluster[trk->entry].pos = url_ftell(pb) - size;
1851 trk->cluster[trk->entry].samplesInChunk = samplesInChunk;
1852 trk->cluster[trk->entry].size = size;
1853 trk->cluster[trk->entry].entries = samplesInChunk;
1854 trk->cluster[trk->entry].dts = pkt->dts;
1855 trk->trackDuration = pkt->dts - trk->cluster[0].dts + pkt->duration;
1857 if (pkt->pts == AV_NOPTS_VALUE) {
1858 av_log(s, AV_LOG_WARNING, "pts has no value\n");
1859 pkt->pts = pkt->dts;
1861 if (pkt->dts != pkt->pts)
1862 trk->flags |= MOV_TRACK_CTTS;
1863 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
1864 trk->cluster[trk->entry].flags = 0;
1865 if (pkt->flags & AV_PKT_FLAG_KEY) {
1866 if (mov->mode == MODE_MOV && enc->codec_id == CODEC_ID_MPEG2VIDEO) {
1867 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
1868 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
1869 trk->flags |= MOV_TRACK_STPS;
1871 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
1873 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
1874 trk->hasKeyframes++;
1877 trk->sampleCount += samplesInChunk;
1878 mov->mdat_size += size;
1880 put_flush_packet(pb);
1884 // QuickTime chapters involve an additional text track with the chapter names
1885 // as samples, and a tref pointing from the other tracks to the chapter one.
1886 static void mov_create_chapter_track(AVFormatContext *s, int tracknum)
1888 MOVMuxContext *mov = s->priv_data;
1889 MOVTrack *track = &mov->tracks[tracknum];
1890 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
1893 track->mode = mov->mode;
1894 track->tag = MKTAG('t','e','x','t');
1895 track->timescale = MOV_TIMESCALE;
1896 track->enc = avcodec_alloc_context();
1897 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
1899 for (i = 0; i < s->nb_chapters; i++) {
1900 AVChapter *c = s->chapters[i];
1903 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
1904 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
1905 pkt.duration = end - pkt.dts;
1907 if ((t = av_metadata_get(c->metadata, "title", NULL, 0))) {
1908 len = strlen(t->value);
1910 pkt.data = av_malloc(pkt.size);
1911 AV_WB16(pkt.data, len);
1912 memcpy(pkt.data+2, t->value, len);
1913 mov_write_packet(s, &pkt);
1914 av_freep(&pkt.data);
1919 static int mov_write_header(AVFormatContext *s)
1921 ByteIOContext *pb = s->pb;
1922 MOVMuxContext *mov = s->priv_data;
1925 if (url_is_streamed(s->pb)) {
1926 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
1930 /* Default mode == MP4 */
1931 mov->mode = MODE_MP4;
1933 if (s->oformat != NULL) {
1934 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
1935 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
1936 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
1937 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
1938 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
1940 mov_write_ftyp_tag(pb,s);
1941 if (mov->mode == MODE_PSP) {
1942 if (s->nb_streams != 2) {
1943 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
1946 mov_write_uuidprof_tag(pb,s);
1950 mov->nb_streams = s->nb_streams;
1951 if (mov->mode & (MODE_MOV|MODE_IPOD) && s->nb_chapters)
1952 mov->chapter_track = mov->nb_streams++;
1954 mov->tracks = av_mallocz(mov->nb_streams*sizeof(*mov->tracks));
1956 return AVERROR(ENOMEM);
1958 for(i=0; i<s->nb_streams; i++){
1959 AVStream *st= s->streams[i];
1960 MOVTrack *track= &mov->tracks[i];
1961 AVMetadataTag *lang = av_metadata_get(st->metadata, "language", NULL,0);
1963 track->enc = st->codec;
1964 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
1965 if (track->language < 0)
1966 track->language = 0;
1967 track->mode = mov->mode;
1968 track->tag = mov_find_codec_tag(s, track);
1970 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
1971 "codec not currently supported in container\n", i);
1974 if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
1975 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
1976 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
1977 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
1978 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
1979 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
1982 track->height = track->tag>>24 == 'n' ? 486 : 576;
1984 track->timescale = st->codec->time_base.den;
1985 if (track->mode == MODE_MOV && track->timescale > 100000)
1986 av_log(s, AV_LOG_WARNING,
1987 "WARNING codec timebase is very high. If duration is too long,\n"
1988 "file may not be playable by quicktime. Specify a shorter timebase\n"
1989 "or choose different container.\n");
1990 }else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
1991 track->timescale = st->codec->sample_rate;
1992 if(!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
1993 av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
1995 }else if(st->codec->frame_size > 1){ /* assume compressed audio */
1996 track->audio_vbr = 1;
1998 st->codec->frame_size = 1;
1999 track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
2001 if (track->mode != MODE_MOV) {
2002 if (track->timescale > UINT16_MAX) {
2003 av_log(s, AV_LOG_ERROR, "track %d: output format does not support "
2004 "sample rate %dhz\n", i, track->timescale);
2007 if (track->enc->codec_id == CODEC_ID_MP3 && track->timescale < 16000) {
2008 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
2009 i, track->enc->sample_rate);
2013 }else if(st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE){
2014 track->timescale = st->codec->time_base.den;
2017 track->height = st->codec->height;
2019 av_set_pts_info(st, 64, 1, track->timescale);
2022 mov_write_mdat_tag(pb, mov);
2023 mov->time = s->timestamp + 0x7C25B080; //1970 based -> 1904 based
2025 if (mov->chapter_track)
2026 mov_create_chapter_track(s, mov->chapter_track);
2028 put_flush_packet(pb);
2032 av_freep(&mov->tracks);
2036 static int mov_write_trailer(AVFormatContext *s)
2038 MOVMuxContext *mov = s->priv_data;
2039 ByteIOContext *pb = s->pb;
2043 int64_t moov_pos = url_ftell(pb);
2045 /* Write size of mdat tag */
2046 if (mov->mdat_size+8 <= UINT32_MAX) {
2047 url_fseek(pb, mov->mdat_pos, SEEK_SET);
2048 put_be32(pb, mov->mdat_size+8);
2050 /* overwrite 'wide' placeholder atom */
2051 url_fseek(pb, mov->mdat_pos - 8, SEEK_SET);
2052 put_be32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */
2053 put_tag(pb, "mdat");
2054 put_be64(pb, mov->mdat_size+16);
2056 url_fseek(pb, moov_pos, SEEK_SET);
2058 mov_write_moov_tag(pb, mov, s);
2060 if (mov->chapter_track)
2061 av_freep(&mov->tracks[mov->chapter_track].enc);
2063 for (i=0; i<mov->nb_streams; i++) {
2064 av_freep(&mov->tracks[i].cluster);
2066 if(mov->tracks[i].vosLen) av_free(mov->tracks[i].vosData);
2070 put_flush_packet(pb);
2072 av_freep(&mov->tracks);
2077 #if CONFIG_MOV_MUXER
2078 AVOutputFormat mov_muxer = {
2080 NULL_IF_CONFIG_SMALL("MOV format"),
2083 sizeof(MOVMuxContext),
2089 .flags = AVFMT_GLOBALHEADER | AVFMT_VARIABLE_FPS,
2090 .codec_tag = (const AVCodecTag* const []){codec_movvideo_tags, codec_movaudio_tags, 0},
2093 #if CONFIG_TGP_MUXER
2094 AVOutputFormat tgp_muxer = {
2096 NULL_IF_CONFIG_SMALL("3GP format"),
2099 sizeof(MOVMuxContext),
2105 .flags = AVFMT_GLOBALHEADER,
2106 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
2109 #if CONFIG_MP4_MUXER
2110 AVOutputFormat mp4_muxer = {
2112 NULL_IF_CONFIG_SMALL("MP4 format"),
2115 sizeof(MOVMuxContext),
2121 .flags = AVFMT_GLOBALHEADER | AVFMT_VARIABLE_FPS,
2122 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
2125 #if CONFIG_PSP_MUXER
2126 AVOutputFormat psp_muxer = {
2128 NULL_IF_CONFIG_SMALL("PSP MP4 format"),
2131 sizeof(MOVMuxContext),
2137 .flags = AVFMT_GLOBALHEADER,
2138 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
2141 #if CONFIG_TG2_MUXER
2142 AVOutputFormat tg2_muxer = {
2144 NULL_IF_CONFIG_SMALL("3GP2 format"),
2147 sizeof(MOVMuxContext),
2153 .flags = AVFMT_GLOBALHEADER,
2154 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
2157 #if CONFIG_IPOD_MUXER
2158 AVOutputFormat ipod_muxer = {
2160 NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"),
2163 sizeof(MOVMuxContext),
2169 .flags = AVFMT_GLOBALHEADER,
2170 .codec_tag = (const AVCodecTag* const []){codec_ipod_tags, 0},