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_RGB555BE,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_GRAY16BE,MKTAG('b','1','6','g'), 16 },
630 { PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
631 { PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
632 { PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
633 { PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
634 { PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
635 { PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
636 { PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
639 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
641 int tag = track->enc->codec_tag;
644 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
645 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
646 tag = mov_pix_fmt_tags[i].tag;
647 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
655 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
657 int tag = track->enc->codec_tag;
659 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
660 (tag == MKTAG('d','v','c','p') ||
661 track->enc->codec_id == CODEC_ID_RAWVIDEO ||
662 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
663 if (track->enc->codec_id == CODEC_ID_DVVIDEO)
664 tag = mov_get_dv_codec_tag(s, track);
665 else if (track->enc->codec_id == CODEC_ID_RAWVIDEO)
666 tag = mov_get_rawvideo_codec_tag(s, track);
667 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
668 tag = ff_codec_get_tag(codec_movvideo_tags, track->enc->codec_id);
669 if (!tag) { // if no mac fcc found, try with Microsoft tags
670 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
672 av_log(s, AV_LOG_INFO, "Warning, using MS style video codec tag, "
673 "the file may be unplayable!\n");
675 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
676 tag = ff_codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
677 if (!tag) { // if no mac fcc found, try with Microsoft tags
678 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
680 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
681 av_log(s, AV_LOG_INFO, "Warning, using MS style audio codec tag, "
682 "the file may be unplayable!\n");
685 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
686 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
692 static const AVCodecTag codec_3gp_tags[] = {
693 { CODEC_ID_H263, MKTAG('s','2','6','3') },
694 { CODEC_ID_H264, MKTAG('a','v','c','1') },
695 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
696 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
697 { CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
698 { CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
699 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
700 { CODEC_ID_NONE, 0 },
703 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
705 int tag = track->enc->codec_tag;
707 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
708 tag = mp4_get_codec_tag(s, track);
709 else if (track->mode == MODE_IPOD)
710 tag = ipod_get_codec_tag(s, track);
711 else if (track->mode & MODE_3GP)
712 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
714 tag = mov_get_codec_tag(s, track);
720 * Needed to make file play in iPods running newest firmware
721 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
723 static int mov_write_uuid_tag_ipod(ByteIOContext *pb)
727 put_be32(pb, 0x6b6840f2);
728 put_be32(pb, 0x5f244fc5);
729 put_be32(pb, 0xba39a51b);
730 put_be32(pb, 0xcf0323f3);
735 static int mov_write_subtitle_tag(ByteIOContext *pb, MOVTrack *track)
737 int64_t pos = url_ftell(pb);
738 put_be32(pb, 0); /* size */
739 put_le32(pb, track->tag); // store it byteswapped
740 put_be32(pb, 0); /* Reserved */
741 put_be16(pb, 0); /* Reserved */
742 put_be16(pb, 1); /* Data-reference index */
744 if (track->enc->extradata_size)
745 put_buffer(pb, track->enc->extradata, track->enc->extradata_size);
747 return updateSize(pb, pos);
750 static int mov_write_video_tag(ByteIOContext *pb, MOVTrack *track)
752 int64_t pos = url_ftell(pb);
753 char compressor_name[32];
755 put_be32(pb, 0); /* size */
756 put_le32(pb, track->tag); // store it byteswapped
757 put_be32(pb, 0); /* Reserved */
758 put_be16(pb, 0); /* Reserved */
759 put_be16(pb, 1); /* Data-reference index */
761 put_be16(pb, 0); /* Codec stream version */
762 put_be16(pb, 0); /* Codec stream revision (=0) */
763 if (track->mode == MODE_MOV) {
764 put_tag(pb, "FFMP"); /* Vendor */
765 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
766 put_be32(pb, 0); /* Temporal Quality */
767 put_be32(pb, 0x400); /* Spatial Quality = lossless*/
769 put_be32(pb, 0x200); /* Temporal Quality = normal */
770 put_be32(pb, 0x200); /* Spatial Quality = normal */
773 put_be32(pb, 0); /* Reserved */
774 put_be32(pb, 0); /* Reserved */
775 put_be32(pb, 0); /* Reserved */
777 put_be16(pb, track->enc->width); /* Video width */
778 put_be16(pb, track->height); /* Video height */
779 put_be32(pb, 0x00480000); /* Horizontal resolution 72dpi */
780 put_be32(pb, 0x00480000); /* Vertical resolution 72dpi */
781 put_be32(pb, 0); /* Data size (= 0) */
782 put_be16(pb, 1); /* Frame count (= 1) */
784 memset(compressor_name,0,32);
785 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
786 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
787 strncpy(compressor_name,track->enc->codec->name,31);
788 put_byte(pb, strlen(compressor_name));
789 put_buffer(pb, compressor_name, 31);
791 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
792 put_be16(pb, track->enc->bits_per_coded_sample);
794 put_be16(pb, 0x18); /* Reserved */
795 put_be16(pb, 0xffff); /* Reserved */
796 if(track->tag == MKTAG('m','p','4','v'))
797 mov_write_esds_tag(pb, track);
798 else if(track->enc->codec_id == CODEC_ID_H263)
799 mov_write_d263_tag(pb);
800 else if(track->enc->codec_id == CODEC_ID_SVQ3)
801 mov_write_svq3_tag(pb);
802 else if(track->enc->codec_id == CODEC_ID_DNXHD)
803 mov_write_avid_tag(pb, track);
804 else if(track->enc->codec_id == CODEC_ID_H264) {
805 mov_write_avcc_tag(pb, track);
806 if(track->mode == MODE_IPOD)
807 mov_write_uuid_tag_ipod(pb);
808 } else if(track->vosLen > 0)
809 mov_write_glbl_tag(pb, track);
811 return updateSize(pb, pos);
814 static int mov_write_rtp_tag(ByteIOContext *pb, MOVTrack *track)
816 int64_t pos = url_ftell(pb);
817 put_be32(pb, 0); /* size */
819 put_be32(pb, 0); /* Reserved */
820 put_be16(pb, 0); /* Reserved */
821 put_be16(pb, 1); /* Data-reference index */
823 put_be16(pb, 1); /* Hint track version */
824 put_be16(pb, 1); /* Highest compatible version */
825 put_be32(pb, track->max_packet_size); /* Max packet size */
827 put_be32(pb, 12); /* size */
829 put_be32(pb, track->timescale);
831 return updateSize(pb, pos);
834 static int mov_write_stsd_tag(ByteIOContext *pb, MOVTrack *track)
836 int64_t pos = url_ftell(pb);
837 put_be32(pb, 0); /* size */
839 put_be32(pb, 0); /* version & flags */
840 put_be32(pb, 1); /* entry count */
841 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
842 mov_write_video_tag(pb, track);
843 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
844 mov_write_audio_tag(pb, track);
845 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
846 mov_write_subtitle_tag(pb, track);
847 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
848 mov_write_rtp_tag(pb, track);
849 return updateSize(pb, pos);
852 static int mov_write_ctts_tag(ByteIOContext *pb, MOVTrack *track)
854 MOVStts *ctts_entries;
855 uint32_t entries = 0;
859 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
860 ctts_entries[0].count = 1;
861 ctts_entries[0].duration = track->cluster[0].cts;
862 for (i=1; i<track->entry; i++) {
863 if (track->cluster[i].cts == ctts_entries[entries].duration) {
864 ctts_entries[entries].count++; /* compress */
867 ctts_entries[entries].duration = track->cluster[i].cts;
868 ctts_entries[entries].count = 1;
871 entries++; /* last one */
872 atom_size = 16 + (entries * 8);
873 put_be32(pb, atom_size); /* size */
875 put_be32(pb, 0); /* version & flags */
876 put_be32(pb, entries); /* entry count */
877 for (i=0; i<entries; i++) {
878 put_be32(pb, ctts_entries[i].count);
879 put_be32(pb, ctts_entries[i].duration);
881 av_free(ctts_entries);
885 /* Time to sample atom */
886 static int mov_write_stts_tag(ByteIOContext *pb, MOVTrack *track)
888 MOVStts *stts_entries;
889 uint32_t entries = -1;
893 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
894 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
895 stts_entries[0].count = track->sampleCount;
896 stts_entries[0].duration = 1;
899 stts_entries = av_malloc(track->entry * sizeof(*stts_entries)); /* worst case */
900 for (i=0; i<track->entry; i++) {
901 int64_t duration = i + 1 == track->entry ?
902 track->trackDuration - track->cluster[i].dts + track->cluster[0].dts : /* readjusting */
903 track->cluster[i+1].dts - track->cluster[i].dts;
904 if (i && duration == stts_entries[entries].duration) {
905 stts_entries[entries].count++; /* compress */
908 stts_entries[entries].duration = duration;
909 stts_entries[entries].count = 1;
912 entries++; /* last one */
914 atom_size = 16 + (entries * 8);
915 put_be32(pb, atom_size); /* size */
917 put_be32(pb, 0); /* version & flags */
918 put_be32(pb, entries); /* entry count */
919 for (i=0; i<entries; i++) {
920 put_be32(pb, stts_entries[i].count);
921 put_be32(pb, stts_entries[i].duration);
923 av_free(stts_entries);
927 static int mov_write_dref_tag(ByteIOContext *pb)
929 put_be32(pb, 28); /* size */
931 put_be32(pb, 0); /* version & flags */
932 put_be32(pb, 1); /* entry count */
934 put_be32(pb, 0xc); /* size */
936 put_be32(pb, 1); /* version & flags */
941 static int mov_write_stbl_tag(ByteIOContext *pb, MOVTrack *track)
943 int64_t pos = url_ftell(pb);
944 put_be32(pb, 0); /* size */
946 mov_write_stsd_tag(pb, track);
947 mov_write_stts_tag(pb, track);
948 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
949 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
950 track->hasKeyframes && track->hasKeyframes < track->entry)
951 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
952 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
953 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
954 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
955 track->flags & MOV_TRACK_CTTS)
956 mov_write_ctts_tag(pb, track);
957 mov_write_stsc_tag(pb, track);
958 mov_write_stsz_tag(pb, track);
959 mov_write_stco_tag(pb, track);
960 return updateSize(pb, pos);
963 static int mov_write_dinf_tag(ByteIOContext *pb)
965 int64_t pos = url_ftell(pb);
966 put_be32(pb, 0); /* size */
968 mov_write_dref_tag(pb);
969 return updateSize(pb, pos);
972 static int mov_write_nmhd_tag(ByteIOContext *pb)
980 static int mov_write_gmhd_tag(ByteIOContext *pb)
982 put_be32(pb, 0x20); /* size */
984 put_be32(pb, 0x18); /* gmin size */
985 put_tag(pb, "gmin"); /* generic media info */
986 put_be32(pb, 0); /* version & flags */
987 put_be16(pb, 0x40); /* graphics mode = */
988 put_be16(pb, 0x8000); /* opColor (r?) */
989 put_be16(pb, 0x8000); /* opColor (g?) */
990 put_be16(pb, 0x8000); /* opColor (b?) */
991 put_be16(pb, 0); /* balance */
992 put_be16(pb, 0); /* reserved */
996 static int mov_write_smhd_tag(ByteIOContext *pb)
998 put_be32(pb, 16); /* size */
1000 put_be32(pb, 0); /* version & flags */
1001 put_be16(pb, 0); /* reserved (balance, normally = 0) */
1002 put_be16(pb, 0); /* reserved */
1006 static int mov_write_vmhd_tag(ByteIOContext *pb)
1008 put_be32(pb, 0x14); /* size (always 0x14) */
1009 put_tag(pb, "vmhd");
1010 put_be32(pb, 0x01); /* version & flags */
1011 put_be64(pb, 0); /* reserved (graphics mode = copy) */
1015 static int mov_write_hdlr_tag(ByteIOContext *pb, MOVTrack *track)
1017 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1018 int64_t pos = url_ftell(pb);
1020 if (!track) { /* no media --> data handler */
1023 descr = "DataHandler";
1025 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1026 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1028 descr = "VideoHandler";
1029 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1031 descr = "SoundHandler";
1032 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1033 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
1034 else hdlr_type = "text";
1035 descr = "SubtitleHandler";
1036 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1038 descr = "HintHandler";
1042 put_be32(pb, 0); /* size */
1043 put_tag(pb, "hdlr");
1044 put_be32(pb, 0); /* Version & flags */
1045 put_buffer(pb, hdlr, 4); /* handler */
1046 put_tag(pb, hdlr_type); /* handler type */
1047 put_be32(pb ,0); /* reserved */
1048 put_be32(pb ,0); /* reserved */
1049 put_be32(pb ,0); /* reserved */
1050 if (!track || track->mode == MODE_MOV)
1051 put_byte(pb, strlen(descr)); /* pascal string */
1052 put_buffer(pb, descr, strlen(descr)); /* handler description */
1053 if (track && track->mode != MODE_MOV)
1054 put_byte(pb, 0); /* c string */
1055 return updateSize(pb, pos);
1058 static int mov_write_hmhd_tag(ByteIOContext *pb)
1060 /* This atom must be present, but leaving the values at zero
1061 * seems harmless. */
1062 put_be32(pb, 28); /* size */
1063 put_tag(pb, "hmhd");
1064 put_be32(pb, 0); /* version, flags */
1065 put_be16(pb, 0); /* maxPDUsize */
1066 put_be16(pb, 0); /* avgPDUsize */
1067 put_be32(pb, 0); /* maxbitrate */
1068 put_be32(pb, 0); /* avgbitrate */
1069 put_be32(pb, 0); /* reserved */
1073 static int mov_write_minf_tag(ByteIOContext *pb, MOVTrack *track)
1075 int64_t pos = url_ftell(pb);
1076 put_be32(pb, 0); /* size */
1077 put_tag(pb, "minf");
1078 if(track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1079 mov_write_vmhd_tag(pb);
1080 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1081 mov_write_smhd_tag(pb);
1082 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1083 if (track->tag == MKTAG('t','e','x','t')) mov_write_gmhd_tag(pb);
1084 else mov_write_nmhd_tag(pb);
1085 } else if (track->tag == MKTAG('r','t','p',' ')) {
1086 mov_write_hmhd_tag(pb);
1088 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1089 mov_write_hdlr_tag(pb, NULL);
1090 mov_write_dinf_tag(pb);
1091 mov_write_stbl_tag(pb, track);
1092 return updateSize(pb, pos);
1095 static int mov_write_mdhd_tag(ByteIOContext *pb, MOVTrack *track)
1097 int version = track->trackDuration < INT32_MAX ? 0 : 1;
1099 (version == 1) ? put_be32(pb, 44) : put_be32(pb, 32); /* size */
1100 put_tag(pb, "mdhd");
1101 put_byte(pb, version);
1102 put_be24(pb, 0); /* flags */
1104 put_be64(pb, track->time);
1105 put_be64(pb, track->time);
1107 put_be32(pb, track->time); /* creation time */
1108 put_be32(pb, track->time); /* modification time */
1110 put_be32(pb, track->timescale); /* time scale (sample rate for audio) */
1111 (version == 1) ? put_be64(pb, track->trackDuration) : put_be32(pb, track->trackDuration); /* duration */
1112 put_be16(pb, track->language); /* language */
1113 put_be16(pb, 0); /* reserved (quality) */
1115 if(version!=0 && track->mode == MODE_MOV){
1116 av_log(NULL, AV_LOG_ERROR,
1117 "FATAL error, file duration too long for timebase, this file will not be\n"
1118 "playable with quicktime. Choose a different timebase or a different\n"
1119 "container format\n");
1125 static int mov_write_mdia_tag(ByteIOContext *pb, MOVTrack *track)
1127 int64_t pos = url_ftell(pb);
1128 put_be32(pb, 0); /* size */
1129 put_tag(pb, "mdia");
1130 mov_write_mdhd_tag(pb, track);
1131 mov_write_hdlr_tag(pb, track);
1132 mov_write_minf_tag(pb, track);
1133 return updateSize(pb, pos);
1136 static int mov_write_tkhd_tag(ByteIOContext *pb, MOVTrack *track, AVStream *st)
1138 int64_t duration = av_rescale_rnd(track->trackDuration, MOV_TIMESCALE,
1139 track->timescale, AV_ROUND_UP);
1140 int version = duration < INT32_MAX ? 0 : 1;
1142 (version == 1) ? put_be32(pb, 104) : put_be32(pb, 92); /* size */
1143 put_tag(pb, "tkhd");
1144 put_byte(pb, version);
1145 put_be24(pb, 0xf); /* flags (track enabled) */
1147 put_be64(pb, track->time);
1148 put_be64(pb, track->time);
1150 put_be32(pb, track->time); /* creation time */
1151 put_be32(pb, track->time); /* modification time */
1153 put_be32(pb, track->trackID); /* track-id */
1154 put_be32(pb, 0); /* reserved */
1155 (version == 1) ? put_be64(pb, duration) : put_be32(pb, duration);
1157 put_be32(pb, 0); /* reserved */
1158 put_be32(pb, 0); /* reserved */
1159 put_be32(pb, 0x0); /* reserved (Layer & Alternate group) */
1160 /* Volume, only for audio */
1161 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1162 put_be16(pb, 0x0100);
1165 put_be16(pb, 0); /* reserved */
1167 /* Matrix structure */
1168 put_be32(pb, 0x00010000); /* reserved */
1169 put_be32(pb, 0x0); /* reserved */
1170 put_be32(pb, 0x0); /* reserved */
1171 put_be32(pb, 0x0); /* reserved */
1172 put_be32(pb, 0x00010000); /* reserved */
1173 put_be32(pb, 0x0); /* reserved */
1174 put_be32(pb, 0x0); /* reserved */
1175 put_be32(pb, 0x0); /* reserved */
1176 put_be32(pb, 0x40000000); /* reserved */
1178 /* Track width and height, for visual only */
1179 if(st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1180 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
1181 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1182 if(!sample_aspect_ratio || track->height != track->enc->height)
1183 sample_aspect_ratio = 1;
1184 put_be32(pb, sample_aspect_ratio * track->enc->width*0x10000);
1185 put_be32(pb, track->height*0x10000);
1194 // This box seems important for the psp playback ... without it the movie seems to hang
1195 static int mov_write_edts_tag(ByteIOContext *pb, MOVTrack *track)
1197 put_be32(pb, 0x24); /* size */
1198 put_tag(pb, "edts");
1199 put_be32(pb, 0x1c); /* size */
1200 put_tag(pb, "elst");
1204 /* duration ... doesn't seem to effect psp */
1205 put_be32(pb, av_rescale_rnd(track->trackDuration, MOV_TIMESCALE,
1206 track->timescale, AV_ROUND_UP));
1208 put_be32(pb, track->cluster[0].cts); /* first pts is cts since dts is 0 */
1209 put_be32(pb, 0x00010000);
1213 static int mov_write_tref_tag(ByteIOContext *pb, MOVTrack *track)
1215 put_be32(pb, 20); // size
1216 put_tag(pb, "tref");
1217 put_be32(pb, 12); // size (subatom)
1218 put_le32(pb, track->tref_tag);
1219 put_be32(pb, track->tref_id);
1223 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1224 static int mov_write_uuid_tag_psp(ByteIOContext *pb, MOVTrack *mov)
1226 put_be32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1227 put_tag(pb, "uuid");
1228 put_tag(pb, "USMT");
1229 put_be32(pb, 0x21d24fce);
1230 put_be32(pb, 0xbb88695c);
1231 put_be32(pb, 0xfac9c740);
1232 put_be32(pb, 0x1c); // another size here!
1233 put_tag(pb, "MTDT");
1234 put_be32(pb, 0x00010012);
1236 put_be32(pb, 0x55c40000);
1242 static int mov_write_udta_sdp(ByteIOContext *pb, AVCodecContext *ctx, int index)
1244 char buf[1000] = "";
1247 ff_sdp_write_media(buf, sizeof(buf), ctx, NULL, 0, 0);
1248 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", index);
1251 put_be32(pb, len + 24);
1252 put_tag (pb, "udta");
1253 put_be32(pb, len + 16);
1254 put_tag (pb, "hnti");
1255 put_be32(pb, len + 8);
1256 put_tag (pb, "sdp ");
1257 put_buffer(pb, buf, len);
1261 static int mov_write_trak_tag(ByteIOContext *pb, MOVTrack *track, AVStream *st)
1263 int64_t pos = url_ftell(pb);
1264 put_be32(pb, 0); /* size */
1265 put_tag(pb, "trak");
1266 mov_write_tkhd_tag(pb, track, st);
1267 if (track->mode == MODE_PSP || track->flags & MOV_TRACK_CTTS)
1268 mov_write_edts_tag(pb, track); // PSP Movies require edts box
1269 if (track->tref_tag)
1270 mov_write_tref_tag(pb, track);
1271 mov_write_mdia_tag(pb, track);
1272 if (track->mode == MODE_PSP)
1273 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
1274 if (track->tag == MKTAG('r','t','p',' '))
1275 mov_write_udta_sdp(pb, track->rtp_ctx->streams[0]->codec, track->trackID);
1276 return updateSize(pb, pos);
1280 /* TODO: Not sorted out, but not necessary either */
1281 static int mov_write_iods_tag(ByteIOContext *pb, MOVMuxContext *mov)
1283 put_be32(pb, 0x15); /* size */
1284 put_tag(pb, "iods");
1285 put_be32(pb, 0); /* version & flags */
1286 put_be16(pb, 0x1007);
1288 put_be16(pb, 0x4fff);
1289 put_be16(pb, 0xfffe);
1290 put_be16(pb, 0x01ff);
1295 static int mov_write_mvhd_tag(ByteIOContext *pb, MOVMuxContext *mov)
1297 int maxTrackID = 1, i;
1298 int64_t maxTrackLenTemp, maxTrackLen = 0;
1301 for (i=0; i<mov->nb_streams; i++) {
1302 if(mov->tracks[i].entry > 0) {
1303 maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration,
1305 mov->tracks[i].timescale,
1307 if(maxTrackLen < maxTrackLenTemp)
1308 maxTrackLen = maxTrackLenTemp;
1309 if(maxTrackID < mov->tracks[i].trackID)
1310 maxTrackID = mov->tracks[i].trackID;
1314 version = maxTrackLen < UINT32_MAX ? 0 : 1;
1315 (version == 1) ? put_be32(pb, 120) : put_be32(pb, 108); /* size */
1316 put_tag(pb, "mvhd");
1317 put_byte(pb, version);
1318 put_be24(pb, 0); /* flags */
1320 put_be64(pb, mov->time);
1321 put_be64(pb, mov->time);
1323 put_be32(pb, mov->time); /* creation time */
1324 put_be32(pb, mov->time); /* modification time */
1326 put_be32(pb, MOV_TIMESCALE);
1327 (version == 1) ? put_be64(pb, maxTrackLen) : put_be32(pb, maxTrackLen); /* duration of longest track */
1329 put_be32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1330 put_be16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1331 put_be16(pb, 0); /* reserved */
1332 put_be32(pb, 0); /* reserved */
1333 put_be32(pb, 0); /* reserved */
1335 /* Matrix structure */
1336 put_be32(pb, 0x00010000); /* reserved */
1337 put_be32(pb, 0x0); /* reserved */
1338 put_be32(pb, 0x0); /* reserved */
1339 put_be32(pb, 0x0); /* reserved */
1340 put_be32(pb, 0x00010000); /* reserved */
1341 put_be32(pb, 0x0); /* reserved */
1342 put_be32(pb, 0x0); /* reserved */
1343 put_be32(pb, 0x0); /* reserved */
1344 put_be32(pb, 0x40000000); /* reserved */
1346 put_be32(pb, 0); /* reserved (preview time) */
1347 put_be32(pb, 0); /* reserved (preview duration) */
1348 put_be32(pb, 0); /* reserved (poster time) */
1349 put_be32(pb, 0); /* reserved (selection time) */
1350 put_be32(pb, 0); /* reserved (selection duration) */
1351 put_be32(pb, 0); /* reserved (current time) */
1352 put_be32(pb, maxTrackID+1); /* Next track id */
1356 static int mov_write_itunes_hdlr_tag(ByteIOContext *pb, MOVMuxContext *mov,
1359 put_be32(pb, 33); /* size */
1360 put_tag(pb, "hdlr");
1363 put_tag(pb, "mdir");
1364 put_tag(pb, "appl");
1371 /* helper function to write a data tag with the specified string as data */
1372 static int mov_write_string_data_tag(ByteIOContext *pb, const char *data, int lang, int long_style)
1375 int size = 16 + strlen(data);
1376 put_be32(pb, size); /* size */
1377 put_tag(pb, "data");
1380 put_buffer(pb, data, strlen(data));
1384 lang = ff_mov_iso639_to_lang("und", 1);
1385 put_be16(pb, strlen(data)); /* string length */
1387 put_buffer(pb, data, strlen(data));
1388 return strlen(data) + 4;
1392 static int mov_write_string_tag(ByteIOContext *pb, const char *name, const char *value, int lang, int long_style){
1394 if (value && value[0]) {
1395 int64_t pos = url_ftell(pb);
1396 put_be32(pb, 0); /* size */
1398 mov_write_string_data_tag(pb, value, lang, long_style);
1399 size= updateSize(pb, pos);
1404 static int mov_write_string_metadata(AVFormatContext *s, ByteIOContext *pb,
1405 const char *name, const char *tag,
1408 int l, lang = 0, len, len2;
1409 AVMetadataTag *t, *t2 = NULL;
1412 if (!(t = av_metadata_get(s->metadata, tag, NULL, 0)))
1415 len = strlen(t->key);
1416 snprintf(tag2, sizeof(tag2), "%s-", tag);
1417 while ((t2 = av_metadata_get(s->metadata, tag2, t2, AV_METADATA_IGNORE_SUFFIX))) {
1418 len2 = strlen(t2->key);
1419 if (len2 == len+4 && !strcmp(t->value, t2->value)
1420 && (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 1)) >= 0) {
1425 return mov_write_string_tag(pb, name, t->value, lang, long_style);
1428 /* iTunes track number */
1429 static int mov_write_trkn_tag(ByteIOContext *pb, MOVMuxContext *mov,
1432 AVMetadataTag *t = av_metadata_get(s->metadata, "track", NULL, 0);
1433 int size = 0, track = t ? atoi(t->value) : 0;
1435 put_be32(pb, 32); /* size */
1436 put_tag(pb, "trkn");
1437 put_be32(pb, 24); /* size */
1438 put_tag(pb, "data");
1439 put_be32(pb, 0); // 8 bytes empty
1441 put_be16(pb, 0); // empty
1442 put_be16(pb, track); // track number
1443 put_be16(pb, 0); // total track number
1444 put_be16(pb, 0); // empty
1450 /* iTunes meta data list */
1451 static int mov_write_ilst_tag(ByteIOContext *pb, MOVMuxContext *mov,
1454 int64_t pos = url_ftell(pb);
1455 put_be32(pb, 0); /* size */
1456 put_tag(pb, "ilst");
1457 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
1458 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
1459 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
1460 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
1461 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
1462 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
1463 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
1464 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
1465 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
1466 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
1467 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
1468 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
1469 mov_write_string_metadata(s, pb, "desc", "description",1);
1470 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
1471 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
1472 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
1473 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
1474 mov_write_trkn_tag(pb, mov, s);
1475 return updateSize(pb, pos);
1478 /* iTunes meta data tag */
1479 static int mov_write_meta_tag(ByteIOContext *pb, MOVMuxContext *mov,
1483 int64_t pos = url_ftell(pb);
1484 put_be32(pb, 0); /* size */
1485 put_tag(pb, "meta");
1487 mov_write_itunes_hdlr_tag(pb, mov, s);
1488 mov_write_ilst_tag(pb, mov, s);
1489 size = updateSize(pb, pos);
1493 static int utf8len(const uint8_t *b)
1498 GET_UTF8(val, *b++, return -1;)
1504 static int ascii_to_wc(ByteIOContext *pb, const uint8_t *b)
1508 GET_UTF8(val, *b++, return -1;)
1515 static uint16_t language_code(const char *str)
1517 return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
1520 static int mov_write_3gp_udta_tag(ByteIOContext *pb, AVFormatContext *s,
1521 const char *tag, const char *str)
1523 int64_t pos = url_ftell(pb);
1524 AVMetadataTag *t = av_metadata_get(s->metadata, str, NULL, 0);
1525 if (!t || !utf8len(t->value))
1527 put_be32(pb, 0); /* size */
1528 put_tag (pb, tag); /* type */
1529 put_be32(pb, 0); /* version + flags */
1530 if (!strcmp(tag, "yrrc"))
1531 put_be16(pb, atoi(t->value));
1533 put_be16(pb, language_code("eng")); /* language */
1534 put_buffer(pb, t->value, strlen(t->value)+1); /* UTF8 string value */
1535 if (!strcmp(tag, "albm") &&
1536 (t = av_metadata_get(s->metadata, "track", NULL, 0)))
1537 put_byte(pb, atoi(t->value));
1539 return updateSize(pb, pos);
1542 static int mov_write_chpl_tag(ByteIOContext *pb, AVFormatContext *s)
1544 int64_t pos = url_ftell(pb);
1545 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
1547 put_be32(pb, 0); // size
1548 put_tag (pb, "chpl");
1549 put_be32(pb, 0x01000000); // version + flags
1550 put_be32(pb, 0); // unknown
1551 put_byte(pb, nb_chapters);
1553 for (i = 0; i < nb_chapters; i++) {
1554 AVChapter *c = s->chapters[i];
1556 put_be64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
1558 if ((t = av_metadata_get(c->metadata, "title", NULL, 0))) {
1559 int len = FFMIN(strlen(t->value), 255);
1561 put_buffer(pb, t->value, len);
1565 return updateSize(pb, pos);
1568 static int mov_write_udta_tag(ByteIOContext *pb, MOVMuxContext *mov,
1571 ByteIOContext *pb_buf;
1575 for (i = 0; i < s->nb_streams; i++)
1576 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
1580 ret = url_open_dyn_buf(&pb_buf);
1584 if (mov->mode & MODE_3GP) {
1585 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
1586 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
1587 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
1588 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
1589 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
1590 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
1591 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
1592 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
1593 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
1594 mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0);
1595 mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0);
1596 mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0);
1597 mov_write_string_metadata(s, pb_buf, "\251day", "date" , 0);
1598 mov_write_string_tag(pb_buf, "\251enc", LIBAVFORMAT_IDENT, 0, 0);
1599 mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0);
1600 mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0);
1601 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0);
1603 /* iTunes meta data */
1604 mov_write_meta_tag(pb_buf, mov, s);
1608 mov_write_chpl_tag(pb_buf, s);
1610 if ((size = url_close_dyn_buf(pb_buf, &buf)) > 0) {
1611 put_be32(pb, size+8);
1612 put_tag(pb, "udta");
1613 put_buffer(pb, buf, size);
1620 static void mov_write_psp_udta_tag(ByteIOContext *pb,
1621 const char *str, const char *lang, int type)
1623 int len = utf8len(str)+1;
1626 put_be16(pb, len*2+10); /* size */
1627 put_be32(pb, type); /* type */
1628 put_be16(pb, language_code(lang)); /* language */
1629 put_be16(pb, 0x01); /* ? */
1630 ascii_to_wc(pb, str);
1633 static int mov_write_uuidusmt_tag(ByteIOContext *pb, AVFormatContext *s)
1635 AVMetadataTag *title = av_metadata_get(s->metadata, "title", NULL, 0);
1639 pos = url_ftell(pb);
1640 put_be32(pb, 0); /* size placeholder*/
1641 put_tag(pb, "uuid");
1642 put_tag(pb, "USMT");
1643 put_be32(pb, 0x21d24fce); /* 96 bit UUID */
1644 put_be32(pb, 0xbb88695c);
1645 put_be32(pb, 0xfac9c740);
1647 pos2 = url_ftell(pb);
1648 put_be32(pb, 0); /* size placeholder*/
1649 put_tag(pb, "MTDT");
1653 put_be16(pb, 0x0C); /* size */
1654 put_be32(pb, 0x0B); /* type */
1655 put_be16(pb, language_code("und")); /* language */
1656 put_be16(pb, 0x0); /* ? */
1657 put_be16(pb, 0x021C); /* data */
1659 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
1660 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
1661 // 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);
1662 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
1664 updateSize(pb, pos2);
1665 return updateSize(pb, pos);
1671 static int mov_write_moov_tag(ByteIOContext *pb, MOVMuxContext *mov,
1675 int64_t pos = url_ftell(pb);
1676 put_be32(pb, 0); /* size placeholder*/
1677 put_tag(pb, "moov");
1679 for (i=0; i<mov->nb_streams; i++) {
1680 if(mov->tracks[i].entry <= 0) continue;
1682 mov->tracks[i].time = mov->time;
1683 mov->tracks[i].trackID = i+1;
1686 if (mov->chapter_track)
1687 for (i=0; i<s->nb_streams; i++) {
1688 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
1689 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].trackID;
1691 for (i = 0; i < mov->nb_streams; i++) {
1692 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
1693 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
1694 mov->tracks[i].tref_id =
1695 mov->tracks[mov->tracks[i].src_track].trackID;
1699 mov_write_mvhd_tag(pb, mov);
1700 //mov_write_iods_tag(pb, mov);
1701 for (i=0; i<mov->nb_streams; i++) {
1702 if(mov->tracks[i].entry > 0) {
1703 mov_write_trak_tag(pb, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
1707 if (mov->mode == MODE_PSP)
1708 mov_write_uuidusmt_tag(pb, s);
1710 mov_write_udta_tag(pb, mov, s);
1712 return updateSize(pb, pos);
1715 static int mov_write_mdat_tag(ByteIOContext *pb, MOVMuxContext *mov)
1717 put_be32(pb, 8); // placeholder for extended size field (64 bit)
1718 put_tag(pb, mov->mode == MODE_MOV ? "wide" : "free");
1720 mov->mdat_pos = url_ftell(pb);
1721 put_be32(pb, 0); /* size placeholder*/
1722 put_tag(pb, "mdat");
1726 /* TODO: This needs to be more general */
1727 static int mov_write_ftyp_tag(ByteIOContext *pb, AVFormatContext *s)
1729 MOVMuxContext *mov = s->priv_data;
1730 int64_t pos = url_ftell(pb);
1731 int has_h264 = 0, has_video = 0;
1735 for (i = 0; i < s->nb_streams; i++) {
1736 AVStream *st = s->streams[i];
1737 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
1739 if (st->codec->codec_id == CODEC_ID_H264)
1743 put_be32(pb, 0); /* size */
1744 put_tag(pb, "ftyp");
1746 if (mov->mode == MODE_3GP) {
1747 put_tag(pb, has_h264 ? "3gp6" : "3gp4");
1748 minor = has_h264 ? 0x100 : 0x200;
1749 } else if (mov->mode & MODE_3G2) {
1750 put_tag(pb, has_h264 ? "3g2b" : "3g2a");
1751 minor = has_h264 ? 0x20000 : 0x10000;
1752 }else if (mov->mode == MODE_PSP)
1753 put_tag(pb, "MSNV");
1754 else if (mov->mode == MODE_MP4)
1755 put_tag(pb, "isom");
1756 else if (mov->mode == MODE_IPOD)
1757 put_tag(pb, has_video ? "M4V ":"M4A ");
1761 put_be32(pb, minor);
1763 if(mov->mode == MODE_MOV)
1766 put_tag(pb, "isom");
1767 put_tag(pb, "iso2");
1769 put_tag(pb, "avc1");
1772 if (mov->mode == MODE_3GP)
1773 put_tag(pb, has_h264 ? "3gp6":"3gp4");
1774 else if (mov->mode & MODE_3G2)
1775 put_tag(pb, has_h264 ? "3g2b":"3g2a");
1776 else if (mov->mode == MODE_PSP)
1777 put_tag(pb, "MSNV");
1778 else if (mov->mode == MODE_MP4)
1779 put_tag(pb, "mp41");
1780 return updateSize(pb, pos);
1783 static void mov_write_uuidprof_tag(ByteIOContext *pb, AVFormatContext *s)
1785 AVCodecContext *VideoCodec = s->streams[0]->codec;
1786 AVCodecContext *AudioCodec = s->streams[1]->codec;
1787 int AudioRate = AudioCodec->sample_rate;
1788 int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num);
1789 int audio_kbitrate= AudioCodec->bit_rate / 1000;
1790 int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate);
1792 put_be32(pb, 0x94); /* size */
1793 put_tag(pb, "uuid");
1794 put_tag(pb, "PROF");
1796 put_be32(pb, 0x21d24fce); /* 96 bit UUID */
1797 put_be32(pb, 0xbb88695c);
1798 put_be32(pb, 0xfac9c740);
1800 put_be32(pb, 0x0); /* ? */
1801 put_be32(pb, 0x3); /* 3 sections ? */
1803 put_be32(pb, 0x14); /* size */
1804 put_tag(pb, "FPRF");
1805 put_be32(pb, 0x0); /* ? */
1806 put_be32(pb, 0x0); /* ? */
1807 put_be32(pb, 0x0); /* ? */
1809 put_be32(pb, 0x2c); /* size */
1810 put_tag(pb, "APRF"); /* audio */
1812 put_be32(pb, 0x2); /* TrackID */
1813 put_tag(pb, "mp4a");
1814 put_be32(pb, 0x20f);
1816 put_be32(pb, audio_kbitrate);
1817 put_be32(pb, audio_kbitrate);
1818 put_be32(pb, AudioRate);
1819 put_be32(pb, AudioCodec->channels);
1821 put_be32(pb, 0x34); /* size */
1822 put_tag(pb, "VPRF"); /* video */
1824 put_be32(pb, 0x1); /* TrackID */
1825 if (VideoCodec->codec_id == CODEC_ID_H264) {
1826 put_tag(pb, "avc1");
1827 put_be16(pb, 0x014D);
1828 put_be16(pb, 0x0015);
1830 put_tag(pb, "mp4v");
1831 put_be16(pb, 0x0000);
1832 put_be16(pb, 0x0103);
1835 put_be32(pb, video_kbitrate);
1836 put_be32(pb, video_kbitrate);
1837 put_be32(pb, FrameRate);
1838 put_be32(pb, FrameRate);
1839 put_be16(pb, VideoCodec->width);
1840 put_be16(pb, VideoCodec->height);
1841 put_be32(pb, 0x010001); /* ? */
1844 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
1847 int i, closed_gop = 0;
1849 for (i = 0; i < pkt->size - 4; i++) {
1850 c = (c<<8) + pkt->data[i];
1851 if (c == 0x1b8) { // gop
1852 closed_gop = pkt->data[i+4]>>6 & 0x01;
1853 } else if (c == 0x100) { // pic
1854 int temp_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
1855 if (!temp_ref || closed_gop) // I picture is not reordered
1856 *flags = MOV_SYNC_SAMPLE;
1858 *flags = MOV_PARTIAL_SYNC_SAMPLE;
1865 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
1867 MOVMuxContext *mov = s->priv_data;
1868 ByteIOContext *pb = s->pb;
1869 MOVTrack *trk = &mov->tracks[pkt->stream_index];
1870 AVCodecContext *enc = trk->enc;
1871 unsigned int samplesInChunk = 0;
1872 int size= pkt->size;
1874 if (url_is_streamed(s->pb)) return 0; /* Can't handle that */
1875 if (!size) return 0; /* Discard 0 sized packets */
1877 if (enc->codec_id == CODEC_ID_AMR_NB) {
1878 /* We must find out how many AMR blocks there are in one packet */
1879 static uint16_t packed_size[16] =
1880 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 0};
1883 while (len < size && samplesInChunk < 100) {
1884 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
1887 if(samplesInChunk > 1){
1888 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
1891 } else if (trk->sampleSize)
1892 samplesInChunk = size/trk->sampleSize;
1896 /* copy extradata if it exists */
1897 if (trk->vosLen == 0 && enc->extradata_size > 0) {
1898 trk->vosLen = enc->extradata_size;
1899 trk->vosData = av_malloc(trk->vosLen);
1900 memcpy(trk->vosData, enc->extradata, trk->vosLen);
1903 if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) {
1904 /* from x264 or from bytestream h264 */
1905 /* nal reformating needed */
1906 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
1908 put_buffer(pb, pkt->data, size);
1911 if ((enc->codec_id == CODEC_ID_DNXHD ||
1912 enc->codec_id == CODEC_ID_AC3) && !trk->vosLen) {
1913 /* copy frame to create needed atoms */
1915 trk->vosData = av_malloc(size);
1917 return AVERROR(ENOMEM);
1918 memcpy(trk->vosData, pkt->data, size);
1921 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
1922 trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster));
1927 trk->cluster[trk->entry].pos = url_ftell(pb) - size;
1928 trk->cluster[trk->entry].samplesInChunk = samplesInChunk;
1929 trk->cluster[trk->entry].size = size;
1930 trk->cluster[trk->entry].entries = samplesInChunk;
1931 trk->cluster[trk->entry].dts = pkt->dts;
1932 trk->trackDuration = pkt->dts - trk->cluster[0].dts + pkt->duration;
1934 if (pkt->pts == AV_NOPTS_VALUE) {
1935 av_log(s, AV_LOG_WARNING, "pts has no value\n");
1936 pkt->pts = pkt->dts;
1938 if (pkt->dts != pkt->pts)
1939 trk->flags |= MOV_TRACK_CTTS;
1940 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
1941 trk->cluster[trk->entry].flags = 0;
1942 if (pkt->flags & AV_PKT_FLAG_KEY) {
1943 if (mov->mode == MODE_MOV && enc->codec_id == CODEC_ID_MPEG2VIDEO) {
1944 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
1945 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
1946 trk->flags |= MOV_TRACK_STPS;
1948 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
1950 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
1951 trk->hasKeyframes++;
1954 trk->sampleCount += samplesInChunk;
1955 mov->mdat_size += size;
1957 put_flush_packet(pb);
1959 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
1960 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry);
1964 // QuickTime chapters involve an additional text track with the chapter names
1965 // as samples, and a tref pointing from the other tracks to the chapter one.
1966 static void mov_create_chapter_track(AVFormatContext *s, int tracknum)
1968 MOVMuxContext *mov = s->priv_data;
1969 MOVTrack *track = &mov->tracks[tracknum];
1970 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
1973 track->mode = mov->mode;
1974 track->tag = MKTAG('t','e','x','t');
1975 track->timescale = MOV_TIMESCALE;
1976 track->enc = avcodec_alloc_context();
1977 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
1979 for (i = 0; i < s->nb_chapters; i++) {
1980 AVChapter *c = s->chapters[i];
1983 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
1984 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
1985 pkt.duration = end - pkt.dts;
1987 if ((t = av_metadata_get(c->metadata, "title", NULL, 0))) {
1988 len = strlen(t->value);
1990 pkt.data = av_malloc(pkt.size);
1991 AV_WB16(pkt.data, len);
1992 memcpy(pkt.data+2, t->value, len);
1993 ff_mov_write_packet(s, &pkt);
1994 av_freep(&pkt.data);
1999 static int mov_write_header(AVFormatContext *s)
2001 ByteIOContext *pb = s->pb;
2002 MOVMuxContext *mov = s->priv_data;
2003 int i, hint_track = 0;
2005 if (url_is_streamed(s->pb)) {
2006 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
2010 /* Default mode == MP4 */
2011 mov->mode = MODE_MP4;
2013 if (s->oformat != NULL) {
2014 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
2015 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
2016 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
2017 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
2018 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
2020 mov_write_ftyp_tag(pb,s);
2021 if (mov->mode == MODE_PSP) {
2022 if (s->nb_streams != 2) {
2023 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
2026 mov_write_uuidprof_tag(pb,s);
2030 mov->nb_streams = s->nb_streams;
2031 if (mov->mode & (MODE_MOV|MODE_IPOD) && s->nb_chapters)
2032 mov->chapter_track = mov->nb_streams++;
2034 if (s->flags & AVFMT_FLAG_RTP_HINT) {
2035 /* Add hint tracks for each audio and video stream */
2036 hint_track = mov->nb_streams;
2037 for (i = 0; i < s->nb_streams; i++) {
2038 AVStream *st = s->streams[i];
2039 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2040 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
2046 mov->tracks = av_mallocz(mov->nb_streams*sizeof(*mov->tracks));
2048 return AVERROR(ENOMEM);
2050 for(i=0; i<s->nb_streams; i++){
2051 AVStream *st= s->streams[i];
2052 MOVTrack *track= &mov->tracks[i];
2053 AVMetadataTag *lang = av_metadata_get(st->metadata, "language", NULL,0);
2055 track->enc = st->codec;
2056 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
2057 if (track->language < 0)
2058 track->language = 0;
2059 track->mode = mov->mode;
2060 track->tag = mov_find_codec_tag(s, track);
2062 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
2063 "codec not currently supported in container\n", i);
2066 /* If hinting of this track is enabled by a later hint track,
2067 * this is updated. */
2068 track->hint_track = -1;
2069 if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
2070 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
2071 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
2072 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
2073 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
2074 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
2077 track->height = track->tag>>24 == 'n' ? 486 : 576;
2079 track->timescale = st->codec->time_base.den;
2080 if (track->mode == MODE_MOV && track->timescale > 100000)
2081 av_log(s, AV_LOG_WARNING,
2082 "WARNING codec timebase is very high. If duration is too long,\n"
2083 "file may not be playable by quicktime. Specify a shorter timebase\n"
2084 "or choose different container.\n");
2085 }else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
2086 track->timescale = st->codec->sample_rate;
2087 if(!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
2088 av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
2090 }else if(st->codec->frame_size > 1){ /* assume compressed audio */
2091 track->audio_vbr = 1;
2093 st->codec->frame_size = 1;
2094 track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
2096 if (track->mode != MODE_MOV) {
2097 if (track->timescale > UINT16_MAX) {
2098 av_log(s, AV_LOG_ERROR, "track %d: output format does not support "
2099 "sample rate %dhz\n", i, track->timescale);
2102 if (track->enc->codec_id == CODEC_ID_MP3 && track->timescale < 16000) {
2103 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
2104 i, track->enc->sample_rate);
2108 }else if(st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE){
2109 track->timescale = st->codec->time_base.den;
2112 track->height = st->codec->height;
2114 av_set_pts_info(st, 64, 1, track->timescale);
2117 mov_write_mdat_tag(pb, mov);
2118 mov->time = s->timestamp + 0x7C25B080; //1970 based -> 1904 based
2120 if (mov->chapter_track)
2121 mov_create_chapter_track(s, mov->chapter_track);
2123 if (s->flags & AVFMT_FLAG_RTP_HINT) {
2124 /* Initialize the hint tracks for each audio and video stream */
2125 for (i = 0; i < s->nb_streams; i++) {
2126 AVStream *st = s->streams[i];
2127 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2128 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
2129 ff_mov_init_hinting(s, hint_track, i);
2135 put_flush_packet(pb);
2139 av_freep(&mov->tracks);
2143 static int mov_write_trailer(AVFormatContext *s)
2145 MOVMuxContext *mov = s->priv_data;
2146 ByteIOContext *pb = s->pb;
2150 int64_t moov_pos = url_ftell(pb);
2152 /* Write size of mdat tag */
2153 if (mov->mdat_size+8 <= UINT32_MAX) {
2154 url_fseek(pb, mov->mdat_pos, SEEK_SET);
2155 put_be32(pb, mov->mdat_size+8);
2157 /* overwrite 'wide' placeholder atom */
2158 url_fseek(pb, mov->mdat_pos - 8, SEEK_SET);
2159 put_be32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */
2160 put_tag(pb, "mdat");
2161 put_be64(pb, mov->mdat_size+16);
2163 url_fseek(pb, moov_pos, SEEK_SET);
2165 mov_write_moov_tag(pb, mov, s);
2167 if (mov->chapter_track)
2168 av_freep(&mov->tracks[mov->chapter_track].enc);
2170 for (i=0; i<mov->nb_streams; i++) {
2171 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
2172 ff_mov_close_hinting(&mov->tracks[i]);
2173 av_freep(&mov->tracks[i].cluster);
2175 if(mov->tracks[i].vosLen) av_free(mov->tracks[i].vosData);
2179 put_flush_packet(pb);
2181 av_freep(&mov->tracks);
2186 #if CONFIG_MOV_MUXER
2187 AVOutputFormat mov_muxer = {
2189 NULL_IF_CONFIG_SMALL("MOV format"),
2192 sizeof(MOVMuxContext),
2196 ff_mov_write_packet,
2198 .flags = AVFMT_GLOBALHEADER | AVFMT_VARIABLE_FPS,
2199 .codec_tag = (const AVCodecTag* const []){codec_movvideo_tags, codec_movaudio_tags, 0},
2202 #if CONFIG_TGP_MUXER
2203 AVOutputFormat tgp_muxer = {
2205 NULL_IF_CONFIG_SMALL("3GP format"),
2208 sizeof(MOVMuxContext),
2212 ff_mov_write_packet,
2214 .flags = AVFMT_GLOBALHEADER,
2215 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
2218 #if CONFIG_MP4_MUXER
2219 AVOutputFormat mp4_muxer = {
2221 NULL_IF_CONFIG_SMALL("MP4 format"),
2224 sizeof(MOVMuxContext),
2228 ff_mov_write_packet,
2230 .flags = AVFMT_GLOBALHEADER | AVFMT_VARIABLE_FPS,
2231 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
2234 #if CONFIG_PSP_MUXER
2235 AVOutputFormat psp_muxer = {
2237 NULL_IF_CONFIG_SMALL("PSP MP4 format"),
2240 sizeof(MOVMuxContext),
2244 ff_mov_write_packet,
2246 .flags = AVFMT_GLOBALHEADER,
2247 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
2250 #if CONFIG_TG2_MUXER
2251 AVOutputFormat tg2_muxer = {
2253 NULL_IF_CONFIG_SMALL("3GP2 format"),
2256 sizeof(MOVMuxContext),
2260 ff_mov_write_packet,
2262 .flags = AVFMT_GLOBALHEADER,
2263 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
2266 #if CONFIG_IPOD_MUXER
2267 AVOutputFormat ipod_muxer = {
2269 NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"),
2272 sizeof(MOVMuxContext),
2276 ff_mov_write_packet,
2278 .flags = AVFMT_GLOBALHEADER,
2279 .codec_tag = (const AVCodecTag* const []){codec_ipod_tags, 0},