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
26 #include "avio_internal.h"
31 #include "libavcodec/get_bits.h"
32 #include "libavcodec/put_bits.h"
34 #include "libavutil/avstring.h"
39 //FIXME support 64 bit variant with wide placeholders
40 static int64_t updateSize(AVIOContext *pb, int64_t pos)
42 int64_t curpos = url_ftell(pb);
43 url_fseek(pb, pos, SEEK_SET);
44 avio_wb32(pb, curpos - pos); /* rewrite size */
45 url_fseek(pb, curpos, SEEK_SET);
50 /* Chunk offset atom */
51 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
54 int mode64 = 0; // use 32 bit size variant if possible
55 int64_t pos = url_ftell(pb);
56 avio_wb32(pb, 0); /* size */
57 if (pos > UINT32_MAX) {
59 ffio_wfourcc(pb, "co64");
61 ffio_wfourcc(pb, "stco");
62 avio_wb32(pb, 0); /* version & flags */
63 avio_wb32(pb, track->entry); /* entry count */
64 for (i=0; i<track->entry; i++) {
66 avio_wb64(pb, track->cluster[i].pos);
68 avio_wb32(pb, track->cluster[i].pos);
70 return updateSize(pb, pos);
73 /* Sample size atom */
74 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
77 int i, j, entries = 0, tst = -1, oldtst = -1;
79 int64_t pos = url_ftell(pb);
80 avio_wb32(pb, 0); /* size */
81 ffio_wfourcc(pb, "stsz");
82 avio_wb32(pb, 0); /* version & flags */
84 for (i=0; i<track->entry; i++) {
85 tst = track->cluster[i].size/track->cluster[i].entries;
86 if(oldtst != -1 && tst != oldtst) {
90 entries += track->cluster[i].entries;
93 int sSize = track->cluster[0].size/track->cluster[0].entries;
94 avio_wb32(pb, sSize); // sample size
95 avio_wb32(pb, entries); // sample count
98 avio_wb32(pb, 0); // sample size
99 avio_wb32(pb, entries); // sample count
100 for (i=0; i<track->entry; i++) {
101 for (j=0; j<track->cluster[i].entries; j++) {
102 avio_wb32(pb, track->cluster[i].size /
103 track->cluster[i].entries);
107 return updateSize(pb, pos);
110 /* Sample to chunk atom */
111 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
113 int index = 0, oldval = -1, i;
114 int64_t entryPos, curpos;
116 int64_t pos = url_ftell(pb);
117 avio_wb32(pb, 0); /* size */
118 ffio_wfourcc(pb, "stsc");
119 avio_wb32(pb, 0); // version & flags
120 entryPos = url_ftell(pb);
121 avio_wb32(pb, track->entry); // entry count
122 for (i=0; i<track->entry; i++) {
123 if(oldval != track->cluster[i].samplesInChunk)
125 avio_wb32(pb, i+1); // first chunk
126 avio_wb32(pb, track->cluster[i].samplesInChunk); // samples per chunk
127 avio_wb32(pb, 0x1); // sample description index
128 oldval = track->cluster[i].samplesInChunk;
132 curpos = url_ftell(pb);
133 url_fseek(pb, entryPos, SEEK_SET);
134 avio_wb32(pb, index); // rewrite size
135 url_fseek(pb, curpos, SEEK_SET);
137 return updateSize(pb, pos);
140 /* Sync sample atom */
141 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
143 int64_t curpos, entryPos;
145 int64_t pos = url_ftell(pb);
146 avio_wb32(pb, 0); // size
147 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
148 avio_wb32(pb, 0); // version & flags
149 entryPos = url_ftell(pb);
150 avio_wb32(pb, track->entry); // entry count
151 for (i=0; i<track->entry; i++) {
152 if (track->cluster[i].flags & flag) {
157 curpos = url_ftell(pb);
158 url_fseek(pb, entryPos, SEEK_SET);
159 avio_wb32(pb, index); // rewrite size
160 url_fseek(pb, curpos, SEEK_SET);
161 return updateSize(pb, pos);
164 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
166 avio_wb32(pb, 0x11); /* size */
167 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
168 else ffio_wfourcc(pb, "damr");
169 ffio_wfourcc(pb, "FFMP");
170 avio_w8(pb, 0); /* decoder version */
172 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
173 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
174 avio_w8(pb, 0x01); /* Frames per sample */
178 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
183 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
185 if (track->vosLen < 7)
189 ffio_wfourcc(pb, "dac3");
191 init_get_bits(&gbc, track->vosData+4, track->vosLen-4);
192 fscod = get_bits(&gbc, 2);
193 frmsizecod = get_bits(&gbc, 6);
194 bsid = get_bits(&gbc, 5);
195 bsmod = get_bits(&gbc, 3);
196 acmod = get_bits(&gbc, 3);
198 skip_bits(&gbc, 2); // dsurmod
200 if ((acmod & 1) && acmod != 1)
201 skip_bits(&gbc, 2); // cmixlev
203 skip_bits(&gbc, 2); // surmixlev
205 lfeon = get_bits1(&gbc);
207 init_put_bits(&pbc, buf, sizeof(buf));
208 put_bits(&pbc, 2, fscod);
209 put_bits(&pbc, 5, bsid);
210 put_bits(&pbc, 3, bsmod);
211 put_bits(&pbc, 3, acmod);
212 put_bits(&pbc, 1, lfeon);
213 put_bits(&pbc, 5, frmsizecod>>1); // bit_rate_code
214 put_bits(&pbc, 5, 0); // reserved
216 flush_put_bits(&pbc);
217 avio_write(pb, buf, sizeof(buf));
223 * This function writes extradata "as is".
224 * Extradata must be formated like a valid atom (with size and tag)
226 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
228 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
229 return track->enc->extradata_size;
232 static int mov_write_enda_tag(AVIOContext *pb)
235 ffio_wfourcc(pb, "enda");
236 avio_wb16(pb, 1); /* little endian */
240 static unsigned int descrLength(unsigned int len)
243 for(i=1; len>>(7*i); i++);
247 static void putDescr(AVIOContext *pb, int tag, unsigned int size)
249 int i= descrLength(size) - size - 2;
252 avio_w8(pb, (size>>(7*i)) | 0x80);
253 avio_w8(pb, size & 0x7F);
256 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
258 int64_t pos = url_ftell(pb);
259 int decoderSpecificInfoLen = track->vosLen ? descrLength(track->vosLen):0;
261 avio_wb32(pb, 0); // size
262 ffio_wfourcc(pb, "esds");
263 avio_wb32(pb, 0); // Version
266 putDescr(pb, 0x03, 3 + descrLength(13 + decoderSpecificInfoLen) +
268 avio_wb16(pb, track->trackID);
269 avio_w8(pb, 0x00); // flags (= no flags)
271 // DecoderConfig descriptor
272 putDescr(pb, 0x04, 13 + decoderSpecificInfoLen);
274 // Object type indication
275 if ((track->enc->codec_id == CODEC_ID_MP2 ||
276 track->enc->codec_id == CODEC_ID_MP3) &&
277 track->enc->sample_rate > 24000)
278 avio_w8(pb, 0x6B); // 11172-3
280 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
282 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
283 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
284 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
285 avio_w8(pb, 0x15); // flags (= Audiostream)
287 avio_w8(pb, 0x11); // flags (= Visualstream)
289 avio_w8(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits)
290 avio_wb16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB
292 avio_wb32(pb, FFMAX(track->enc->bit_rate, track->enc->rc_max_rate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
293 if(track->enc->rc_max_rate != track->enc->rc_min_rate || track->enc->rc_min_rate==0)
294 avio_wb32(pb, 0); // vbr
296 avio_wb32(pb, track->enc->rc_max_rate); // avg bitrate
299 // DecoderSpecific info descriptor
300 putDescr(pb, 0x05, track->vosLen);
301 avio_write(pb, track->vosData, track->vosLen);
305 putDescr(pb, 0x06, 1);
307 return updateSize(pb, pos);
310 static int mov_pcm_le_gt16(enum CodecID codec_id)
312 return codec_id == CODEC_ID_PCM_S24LE ||
313 codec_id == CODEC_ID_PCM_S32LE ||
314 codec_id == CODEC_ID_PCM_F32LE ||
315 codec_id == CODEC_ID_PCM_F64LE;
318 static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
320 int64_t pos = url_ftell(pb);
322 avio_wl32(pb, track->tag); // store it byteswapped
323 track->enc->codec_tag = av_bswap16(track->tag >> 16);
324 ff_put_wav_header(pb, track->enc);
325 return updateSize(pb, pos);
328 static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
330 int64_t pos = url_ftell(pb);
332 avio_wb32(pb, 0); /* size */
333 ffio_wfourcc(pb, "wave");
335 avio_wb32(pb, 12); /* size */
336 ffio_wfourcc(pb, "frma");
337 avio_wl32(pb, track->tag);
339 if (track->enc->codec_id == CODEC_ID_AAC) {
340 /* useless atom needed by mplayer, ipod, not needed by quicktime */
341 avio_wb32(pb, 12); /* size */
342 ffio_wfourcc(pb, "mp4a");
344 mov_write_esds_tag(pb, track);
345 } else if (mov_pcm_le_gt16(track->enc->codec_id)) {
346 mov_write_enda_tag(pb);
347 } else if (track->enc->codec_id == CODEC_ID_AMR_NB) {
348 mov_write_amr_tag(pb, track);
349 } else if (track->enc->codec_id == CODEC_ID_AC3) {
350 mov_write_ac3_tag(pb, track);
351 } else if (track->enc->codec_id == CODEC_ID_ALAC) {
352 mov_write_extradata_tag(pb, track);
353 } else if (track->enc->codec_id == CODEC_ID_ADPCM_MS ||
354 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
355 mov_write_ms_tag(pb, track);
358 avio_wb32(pb, 8); /* size */
359 avio_wb32(pb, 0); /* null tag */
361 return updateSize(pb, pos);
364 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
366 avio_wb32(pb, track->vosLen+8);
367 ffio_wfourcc(pb, "glbl");
368 avio_write(pb, track->vosData, track->vosLen);
369 return 8+track->vosLen;
373 * Compute flags for 'lpcm' tag.
374 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
376 static int mov_get_lpcm_flags(enum CodecID codec_id)
379 case CODEC_ID_PCM_F32BE:
380 case CODEC_ID_PCM_F64BE:
382 case CODEC_ID_PCM_F32LE:
383 case CODEC_ID_PCM_F64LE:
385 case CODEC_ID_PCM_U8:
387 case CODEC_ID_PCM_S16BE:
388 case CODEC_ID_PCM_S24BE:
389 case CODEC_ID_PCM_S32BE:
391 case CODEC_ID_PCM_S8:
392 case CODEC_ID_PCM_S16LE:
393 case CODEC_ID_PCM_S24LE:
394 case CODEC_ID_PCM_S32LE:
401 static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
403 int64_t pos = url_ftell(pb);
405 uint32_t tag = track->tag;
407 if (track->mode == MODE_MOV) {
408 if (track->timescale > UINT16_MAX) {
409 if (mov_get_lpcm_flags(track->enc->codec_id))
410 tag = AV_RL32("lpcm");
412 } else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id) ||
413 track->enc->codec_id == CODEC_ID_ADPCM_MS ||
414 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
419 avio_wb32(pb, 0); /* size */
420 avio_wl32(pb, tag); // store it byteswapped
421 avio_wb32(pb, 0); /* Reserved */
422 avio_wb16(pb, 0); /* Reserved */
423 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
425 /* SoundDescription */
426 avio_wb16(pb, version); /* Version */
427 avio_wb16(pb, 0); /* Revision level */
428 avio_wb32(pb, 0); /* Reserved */
433 avio_wb16(pb, 0xfffe);
435 avio_wb32(pb, 0x00010000);
437 avio_wb64(pb, av_dbl2int(track->timescale));
438 avio_wb32(pb, track->enc->channels);
439 avio_wb32(pb, 0x7F000000);
440 avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
441 avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
442 avio_wb32(pb, track->sampleSize);
443 avio_wb32(pb, track->enc->frame_size);
445 if (track->mode == MODE_MOV) {
446 avio_wb16(pb, track->enc->channels);
447 if (track->enc->codec_id == CODEC_ID_PCM_U8 ||
448 track->enc->codec_id == CODEC_ID_PCM_S8)
449 avio_wb16(pb, 8); /* bits per sample */
452 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
453 } else { /* reserved for mp4/3gp */
459 avio_wb16(pb, 0); /* packet size (= 0) */
460 avio_wb16(pb, track->timescale); /* Time scale */
461 avio_wb16(pb, 0); /* Reserved */
464 if(version == 1) { /* SoundDescription V1 extended info */
465 avio_wb32(pb, track->enc->frame_size); /* Samples per packet */
466 avio_wb32(pb, track->sampleSize / track->enc->channels); /* Bytes per packet */
467 avio_wb32(pb, track->sampleSize); /* Bytes per frame */
468 avio_wb32(pb, 2); /* Bytes per sample */
471 if(track->mode == MODE_MOV &&
472 (track->enc->codec_id == CODEC_ID_AAC ||
473 track->enc->codec_id == CODEC_ID_AC3 ||
474 track->enc->codec_id == CODEC_ID_AMR_NB ||
475 track->enc->codec_id == CODEC_ID_ALAC ||
476 track->enc->codec_id == CODEC_ID_ADPCM_MS ||
477 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV ||
478 mov_pcm_le_gt16(track->enc->codec_id)))
479 mov_write_wave_tag(pb, track);
480 else if(track->tag == MKTAG('m','p','4','a'))
481 mov_write_esds_tag(pb, track);
482 else if(track->enc->codec_id == CODEC_ID_AMR_NB)
483 mov_write_amr_tag(pb, track);
484 else if(track->enc->codec_id == CODEC_ID_AC3)
485 mov_write_ac3_tag(pb, track);
486 else if(track->enc->codec_id == CODEC_ID_ALAC)
487 mov_write_extradata_tag(pb, track);
488 else if(track->vosLen > 0)
489 mov_write_glbl_tag(pb, track);
491 return updateSize(pb, pos);
494 static int mov_write_d263_tag(AVIOContext *pb)
496 avio_wb32(pb, 0xf); /* size */
497 ffio_wfourcc(pb, "d263");
498 ffio_wfourcc(pb, "FFMP");
499 avio_w8(pb, 0); /* decoder version */
500 /* FIXME use AVCodecContext level/profile, when encoder will set values */
501 avio_w8(pb, 0xa); /* level */
502 avio_w8(pb, 0); /* profile */
506 /* TODO: No idea about these values */
507 static int mov_write_svq3_tag(AVIOContext *pb)
510 ffio_wfourcc(pb, "SMI ");
511 ffio_wfourcc(pb, "SEQH");
513 avio_wb32(pb, 0xe2c0211d);
514 avio_wb32(pb, 0xc0000000);
519 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
521 int64_t pos = url_ftell(pb);
524 ffio_wfourcc(pb, "avcC");
525 ff_isom_write_avcc(pb, track->vosData, track->vosLen);
526 return updateSize(pb, pos);
529 /* also used by all avid codecs (dv, imx, meridien) and their variants */
530 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
533 avio_wb32(pb, 24); /* size */
534 ffio_wfourcc(pb, "ACLR");
535 ffio_wfourcc(pb, "ACLR");
536 ffio_wfourcc(pb, "0001");
537 avio_wb32(pb, 1); /* yuv 1 / rgb 2 ? */
538 avio_wb32(pb, 0); /* unknown */
540 avio_wb32(pb, 24); /* size */
541 ffio_wfourcc(pb, "APRG");
542 ffio_wfourcc(pb, "APRG");
543 ffio_wfourcc(pb, "0001");
544 avio_wb32(pb, 1); /* unknown */
545 avio_wb32(pb, 0); /* unknown */
547 avio_wb32(pb, 120); /* size */
548 ffio_wfourcc(pb, "ARES");
549 ffio_wfourcc(pb, "ARES");
550 ffio_wfourcc(pb, "0001");
551 avio_wb32(pb, AV_RB32(track->vosData + 0x28)); /* dnxhd cid, some id ? */
552 avio_wb32(pb, track->enc->width);
553 /* values below are based on samples created with quicktime and avid codecs */
554 if (track->vosData[5] & 2) { // interlaced
555 avio_wb32(pb, track->enc->height/2);
556 avio_wb32(pb, 2); /* unknown */
557 avio_wb32(pb, 0); /* unknown */
558 avio_wb32(pb, 4); /* unknown */
560 avio_wb32(pb, track->enc->height);
561 avio_wb32(pb, 1); /* unknown */
562 avio_wb32(pb, 0); /* unknown */
563 if (track->enc->height == 1080)
564 avio_wb32(pb, 5); /* unknown */
566 avio_wb32(pb, 6); /* unknown */
569 for (i = 0; i < 10; i++)
572 /* extra padding for stsd needed */
577 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
579 int tag = track->enc->codec_tag;
581 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
584 if (track->enc->codec_id == CODEC_ID_H264) tag = MKTAG('a','v','c','1');
585 else if (track->enc->codec_id == CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
586 else if (track->enc->codec_id == CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
587 else if (track->enc->codec_id == CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
588 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
589 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
594 static const AVCodecTag codec_ipod_tags[] = {
595 { CODEC_ID_H264, MKTAG('a','v','c','1') },
596 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
597 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
598 { CODEC_ID_ALAC, MKTAG('a','l','a','c') },
599 { CODEC_ID_AC3, MKTAG('a','c','-','3') },
600 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
601 { CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
602 { CODEC_ID_NONE, 0 },
605 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
607 int tag = track->enc->codec_tag;
609 // keep original tag for subs, ipod supports both formats
610 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
611 (tag == MKTAG('t','x','3','g') ||
612 tag == MKTAG('t','e','x','t'))))
613 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
615 if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v"))
616 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
617 "Quicktime/Ipod might not play the file\n");
622 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
626 if (track->enc->height == 480) /* NTSC */
627 if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
628 else tag = MKTAG('d','v','c',' ');
629 else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
630 else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
631 else tag = MKTAG('d','v','p','p');
636 static const struct {
637 enum PixelFormat pix_fmt;
640 } mov_pix_fmt_tags[] = {
641 { PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
642 { PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
643 { PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
644 { PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
645 { PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
646 { PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
647 { PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
648 { PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
649 { PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
650 { PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
651 { PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
652 { PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
653 { PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
654 { PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
657 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
659 int tag = track->enc->codec_tag;
662 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
663 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
664 tag = mov_pix_fmt_tags[i].tag;
665 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
673 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
675 int tag = track->enc->codec_tag;
677 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
678 (track->enc->codec_id == CODEC_ID_DVVIDEO ||
679 track->enc->codec_id == CODEC_ID_RAWVIDEO ||
680 track->enc->codec_id == CODEC_ID_H263 ||
681 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
682 if (track->enc->codec_id == CODEC_ID_DVVIDEO)
683 tag = mov_get_dv_codec_tag(s, track);
684 else if (track->enc->codec_id == CODEC_ID_RAWVIDEO)
685 tag = mov_get_rawvideo_codec_tag(s, track);
686 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
687 tag = ff_codec_get_tag(codec_movvideo_tags, track->enc->codec_id);
688 if (!tag) { // if no mac fcc found, try with Microsoft tags
689 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
691 av_log(s, AV_LOG_INFO, "Warning, using MS style video codec tag, "
692 "the file may be unplayable!\n");
694 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
695 tag = ff_codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
696 if (!tag) { // if no mac fcc found, try with Microsoft tags
697 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
699 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
700 av_log(s, AV_LOG_INFO, "Warning, using MS style audio codec tag, "
701 "the file may be unplayable!\n");
704 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
705 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
711 static const AVCodecTag codec_3gp_tags[] = {
712 { CODEC_ID_H263, MKTAG('s','2','6','3') },
713 { CODEC_ID_H264, MKTAG('a','v','c','1') },
714 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
715 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
716 { CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
717 { CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
718 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
719 { CODEC_ID_NONE, 0 },
722 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
724 int tag = track->enc->codec_tag;
726 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
727 tag = mp4_get_codec_tag(s, track);
728 else if (track->mode == MODE_IPOD)
729 tag = ipod_get_codec_tag(s, track);
730 else if (track->mode & MODE_3GP)
731 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
733 tag = mov_get_codec_tag(s, track);
739 * Needed to make file play in iPods running newest firmware
740 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
742 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
745 ffio_wfourcc(pb, "uuid");
746 avio_wb32(pb, 0x6b6840f2);
747 avio_wb32(pb, 0x5f244fc5);
748 avio_wb32(pb, 0xba39a51b);
749 avio_wb32(pb, 0xcf0323f3);
754 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
756 int64_t pos = url_ftell(pb);
757 avio_wb32(pb, 0); /* size */
758 avio_wl32(pb, track->tag); // store it byteswapped
759 avio_wb32(pb, 0); /* Reserved */
760 avio_wb16(pb, 0); /* Reserved */
761 avio_wb16(pb, 1); /* Data-reference index */
763 if (track->enc->extradata_size)
764 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
766 return updateSize(pb, pos);
769 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
772 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
773 track->enc->sample_aspect_ratio.den, INT_MAX);
776 ffio_wfourcc(pb, "pasp");
777 avio_wb32(pb, sar.num);
778 avio_wb32(pb, sar.den);
782 static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
784 int64_t pos = url_ftell(pb);
785 char compressor_name[32];
787 avio_wb32(pb, 0); /* size */
788 avio_wl32(pb, track->tag); // store it byteswapped
789 avio_wb32(pb, 0); /* Reserved */
790 avio_wb16(pb, 0); /* Reserved */
791 avio_wb16(pb, 1); /* Data-reference index */
793 avio_wb16(pb, 0); /* Codec stream version */
794 avio_wb16(pb, 0); /* Codec stream revision (=0) */
795 if (track->mode == MODE_MOV) {
796 ffio_wfourcc(pb, "FFMP"); /* Vendor */
797 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
798 avio_wb32(pb, 0); /* Temporal Quality */
799 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
801 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
802 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
805 avio_wb32(pb, 0); /* Reserved */
806 avio_wb32(pb, 0); /* Reserved */
807 avio_wb32(pb, 0); /* Reserved */
809 avio_wb16(pb, track->enc->width); /* Video width */
810 avio_wb16(pb, track->height); /* Video height */
811 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
812 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
813 avio_wb32(pb, 0); /* Data size (= 0) */
814 avio_wb16(pb, 1); /* Frame count (= 1) */
816 memset(compressor_name,0,32);
817 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
818 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
819 strncpy(compressor_name,track->enc->codec->name,31);
820 avio_w8(pb, strlen(compressor_name));
821 avio_write(pb, compressor_name, 31);
823 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
824 avio_wb16(pb, track->enc->bits_per_coded_sample);
826 avio_wb16(pb, 0x18); /* Reserved */
827 avio_wb16(pb, 0xffff); /* Reserved */
828 if(track->tag == MKTAG('m','p','4','v'))
829 mov_write_esds_tag(pb, track);
830 else if(track->enc->codec_id == CODEC_ID_H263)
831 mov_write_d263_tag(pb);
832 else if(track->enc->codec_id == CODEC_ID_SVQ3)
833 mov_write_svq3_tag(pb);
834 else if(track->enc->codec_id == CODEC_ID_DNXHD)
835 mov_write_avid_tag(pb, track);
836 else if(track->enc->codec_id == CODEC_ID_H264) {
837 mov_write_avcc_tag(pb, track);
838 if(track->mode == MODE_IPOD)
839 mov_write_uuid_tag_ipod(pb);
840 } else if(track->vosLen > 0)
841 mov_write_glbl_tag(pb, track);
843 if (track->mode == MODE_MOV &&
844 track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
845 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
846 mov_write_pasp_tag(pb, track);
849 return updateSize(pb, pos);
852 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
854 int64_t pos = url_ftell(pb);
855 avio_wb32(pb, 0); /* size */
856 ffio_wfourcc(pb, "rtp ");
857 avio_wb32(pb, 0); /* Reserved */
858 avio_wb16(pb, 0); /* Reserved */
859 avio_wb16(pb, 1); /* Data-reference index */
861 avio_wb16(pb, 1); /* Hint track version */
862 avio_wb16(pb, 1); /* Highest compatible version */
863 avio_wb32(pb, track->max_packet_size); /* Max packet size */
865 avio_wb32(pb, 12); /* size */
866 ffio_wfourcc(pb, "tims");
867 avio_wb32(pb, track->timescale);
869 return updateSize(pb, pos);
872 static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
874 int64_t pos = url_ftell(pb);
875 avio_wb32(pb, 0); /* size */
876 ffio_wfourcc(pb, "stsd");
877 avio_wb32(pb, 0); /* version & flags */
878 avio_wb32(pb, 1); /* entry count */
879 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
880 mov_write_video_tag(pb, track);
881 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
882 mov_write_audio_tag(pb, track);
883 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
884 mov_write_subtitle_tag(pb, track);
885 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
886 mov_write_rtp_tag(pb, track);
887 return updateSize(pb, pos);
890 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
892 MOVStts *ctts_entries;
893 uint32_t entries = 0;
897 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
898 ctts_entries[0].count = 1;
899 ctts_entries[0].duration = track->cluster[0].cts;
900 for (i=1; i<track->entry; i++) {
901 if (track->cluster[i].cts == ctts_entries[entries].duration) {
902 ctts_entries[entries].count++; /* compress */
905 ctts_entries[entries].duration = track->cluster[i].cts;
906 ctts_entries[entries].count = 1;
909 entries++; /* last one */
910 atom_size = 16 + (entries * 8);
911 avio_wb32(pb, atom_size); /* size */
912 ffio_wfourcc(pb, "ctts");
913 avio_wb32(pb, 0); /* version & flags */
914 avio_wb32(pb, entries); /* entry count */
915 for (i=0; i<entries; i++) {
916 avio_wb32(pb, ctts_entries[i].count);
917 avio_wb32(pb, ctts_entries[i].duration);
919 av_free(ctts_entries);
923 /* Time to sample atom */
924 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
926 MOVStts *stts_entries;
927 uint32_t entries = -1;
931 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
932 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
933 stts_entries[0].count = track->sampleCount;
934 stts_entries[0].duration = 1;
937 stts_entries = av_malloc(track->entry * sizeof(*stts_entries)); /* worst case */
938 for (i=0; i<track->entry; i++) {
939 int64_t duration = i + 1 == track->entry ?
940 track->trackDuration - track->cluster[i].dts + track->cluster[0].dts : /* readjusting */
941 track->cluster[i+1].dts - track->cluster[i].dts;
942 if (i && duration == stts_entries[entries].duration) {
943 stts_entries[entries].count++; /* compress */
946 stts_entries[entries].duration = duration;
947 stts_entries[entries].count = 1;
950 entries++; /* last one */
952 atom_size = 16 + (entries * 8);
953 avio_wb32(pb, atom_size); /* size */
954 ffio_wfourcc(pb, "stts");
955 avio_wb32(pb, 0); /* version & flags */
956 avio_wb32(pb, entries); /* entry count */
957 for (i=0; i<entries; i++) {
958 avio_wb32(pb, stts_entries[i].count);
959 avio_wb32(pb, stts_entries[i].duration);
961 av_free(stts_entries);
965 static int mov_write_dref_tag(AVIOContext *pb)
967 avio_wb32(pb, 28); /* size */
968 ffio_wfourcc(pb, "dref");
969 avio_wb32(pb, 0); /* version & flags */
970 avio_wb32(pb, 1); /* entry count */
972 avio_wb32(pb, 0xc); /* size */
973 ffio_wfourcc(pb, "url ");
974 avio_wb32(pb, 1); /* version & flags */
979 static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
981 int64_t pos = url_ftell(pb);
982 avio_wb32(pb, 0); /* size */
983 ffio_wfourcc(pb, "stbl");
984 mov_write_stsd_tag(pb, track);
985 mov_write_stts_tag(pb, track);
986 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
987 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
988 track->hasKeyframes && track->hasKeyframes < track->entry)
989 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
990 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
991 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
992 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
993 track->flags & MOV_TRACK_CTTS)
994 mov_write_ctts_tag(pb, track);
995 mov_write_stsc_tag(pb, track);
996 mov_write_stsz_tag(pb, track);
997 mov_write_stco_tag(pb, track);
998 return updateSize(pb, pos);
1001 static int mov_write_dinf_tag(AVIOContext *pb)
1003 int64_t pos = url_ftell(pb);
1004 avio_wb32(pb, 0); /* size */
1005 ffio_wfourcc(pb, "dinf");
1006 mov_write_dref_tag(pb);
1007 return updateSize(pb, pos);
1010 static int mov_write_nmhd_tag(AVIOContext *pb)
1013 ffio_wfourcc(pb, "nmhd");
1018 static int mov_write_gmhd_tag(AVIOContext *pb)
1020 avio_wb32(pb, 0x20); /* size */
1021 ffio_wfourcc(pb, "gmhd");
1022 avio_wb32(pb, 0x18); /* gmin size */
1023 ffio_wfourcc(pb, "gmin");/* generic media info */
1024 avio_wb32(pb, 0); /* version & flags */
1025 avio_wb16(pb, 0x40); /* graphics mode = */
1026 avio_wb16(pb, 0x8000); /* opColor (r?) */
1027 avio_wb16(pb, 0x8000); /* opColor (g?) */
1028 avio_wb16(pb, 0x8000); /* opColor (b?) */
1029 avio_wb16(pb, 0); /* balance */
1030 avio_wb16(pb, 0); /* reserved */
1034 static int mov_write_smhd_tag(AVIOContext *pb)
1036 avio_wb32(pb, 16); /* size */
1037 ffio_wfourcc(pb, "smhd");
1038 avio_wb32(pb, 0); /* version & flags */
1039 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1040 avio_wb16(pb, 0); /* reserved */
1044 static int mov_write_vmhd_tag(AVIOContext *pb)
1046 avio_wb32(pb, 0x14); /* size (always 0x14) */
1047 ffio_wfourcc(pb, "vmhd");
1048 avio_wb32(pb, 0x01); /* version & flags */
1049 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
1053 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
1055 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1056 int64_t pos = url_ftell(pb);
1058 if (!track) { /* no media --> data handler */
1061 descr = "DataHandler";
1063 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1064 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1066 descr = "VideoHandler";
1067 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1069 descr = "SoundHandler";
1070 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1071 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
1072 else hdlr_type = "text";
1073 descr = "SubtitleHandler";
1074 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1076 descr = "HintHandler";
1080 avio_wb32(pb, 0); /* size */
1081 ffio_wfourcc(pb, "hdlr");
1082 avio_wb32(pb, 0); /* Version & flags */
1083 avio_write(pb, hdlr, 4); /* handler */
1084 ffio_wfourcc(pb, hdlr_type); /* handler type */
1085 avio_wb32(pb ,0); /* reserved */
1086 avio_wb32(pb ,0); /* reserved */
1087 avio_wb32(pb ,0); /* reserved */
1088 if (!track || track->mode == MODE_MOV)
1089 avio_w8(pb, strlen(descr)); /* pascal string */
1090 avio_write(pb, descr, strlen(descr)); /* handler description */
1091 if (track && track->mode != MODE_MOV)
1092 avio_w8(pb, 0); /* c string */
1093 return updateSize(pb, pos);
1096 static int mov_write_hmhd_tag(AVIOContext *pb)
1098 /* This atom must be present, but leaving the values at zero
1099 * seems harmless. */
1100 avio_wb32(pb, 28); /* size */
1101 ffio_wfourcc(pb, "hmhd");
1102 avio_wb32(pb, 0); /* version, flags */
1103 avio_wb16(pb, 0); /* maxPDUsize */
1104 avio_wb16(pb, 0); /* avgPDUsize */
1105 avio_wb32(pb, 0); /* maxbitrate */
1106 avio_wb32(pb, 0); /* avgbitrate */
1107 avio_wb32(pb, 0); /* reserved */
1111 static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
1113 int64_t pos = url_ftell(pb);
1114 avio_wb32(pb, 0); /* size */
1115 ffio_wfourcc(pb, "minf");
1116 if(track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1117 mov_write_vmhd_tag(pb);
1118 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1119 mov_write_smhd_tag(pb);
1120 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1121 if (track->tag == MKTAG('t','e','x','t')) mov_write_gmhd_tag(pb);
1122 else mov_write_nmhd_tag(pb);
1123 } else if (track->tag == MKTAG('r','t','p',' ')) {
1124 mov_write_hmhd_tag(pb);
1126 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1127 mov_write_hdlr_tag(pb, NULL);
1128 mov_write_dinf_tag(pb);
1129 mov_write_stbl_tag(pb, track);
1130 return updateSize(pb, pos);
1133 static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track)
1135 int version = track->trackDuration < INT32_MAX ? 0 : 1;
1137 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
1138 ffio_wfourcc(pb, "mdhd");
1139 avio_w8(pb, version);
1140 avio_wb24(pb, 0); /* flags */
1142 avio_wb64(pb, track->time);
1143 avio_wb64(pb, track->time);
1145 avio_wb32(pb, track->time); /* creation time */
1146 avio_wb32(pb, track->time); /* modification time */
1148 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
1149 (version == 1) ? avio_wb64(pb, track->trackDuration) : avio_wb32(pb, track->trackDuration); /* duration */
1150 avio_wb16(pb, track->language); /* language */
1151 avio_wb16(pb, 0); /* reserved (quality) */
1153 if(version!=0 && track->mode == MODE_MOV){
1154 av_log(NULL, AV_LOG_ERROR,
1155 "FATAL error, file duration too long for timebase, this file will not be\n"
1156 "playable with quicktime. Choose a different timebase or a different\n"
1157 "container format\n");
1163 static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track)
1165 int64_t pos = url_ftell(pb);
1166 avio_wb32(pb, 0); /* size */
1167 ffio_wfourcc(pb, "mdia");
1168 mov_write_mdhd_tag(pb, track);
1169 mov_write_hdlr_tag(pb, track);
1170 mov_write_minf_tag(pb, track);
1171 return updateSize(pb, pos);
1174 static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1176 int64_t duration = av_rescale_rnd(track->trackDuration, MOV_TIMESCALE,
1177 track->timescale, AV_ROUND_UP);
1178 int version = duration < INT32_MAX ? 0 : 1;
1180 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
1181 ffio_wfourcc(pb, "tkhd");
1182 avio_w8(pb, version);
1183 avio_wb24(pb, 0xf); /* flags (track enabled) */
1185 avio_wb64(pb, track->time);
1186 avio_wb64(pb, track->time);
1188 avio_wb32(pb, track->time); /* creation time */
1189 avio_wb32(pb, track->time); /* modification time */
1191 avio_wb32(pb, track->trackID); /* track-id */
1192 avio_wb32(pb, 0); /* reserved */
1193 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
1195 avio_wb32(pb, 0); /* reserved */
1196 avio_wb32(pb, 0); /* reserved */
1197 avio_wb32(pb, 0x0); /* reserved (Layer & Alternate group) */
1198 /* Volume, only for audio */
1199 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1200 avio_wb16(pb, 0x0100);
1203 avio_wb16(pb, 0); /* reserved */
1205 /* Matrix structure */
1206 avio_wb32(pb, 0x00010000); /* reserved */
1207 avio_wb32(pb, 0x0); /* reserved */
1208 avio_wb32(pb, 0x0); /* reserved */
1209 avio_wb32(pb, 0x0); /* reserved */
1210 avio_wb32(pb, 0x00010000); /* reserved */
1211 avio_wb32(pb, 0x0); /* reserved */
1212 avio_wb32(pb, 0x0); /* reserved */
1213 avio_wb32(pb, 0x0); /* reserved */
1214 avio_wb32(pb, 0x40000000); /* reserved */
1216 /* Track width and height, for visual only */
1217 if(st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1218 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
1219 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1220 if(!sample_aspect_ratio || track->height != track->enc->height)
1221 sample_aspect_ratio = 1;
1222 avio_wb32(pb, sample_aspect_ratio * track->enc->width*0x10000);
1223 avio_wb32(pb, track->height*0x10000);
1232 // This box seems important for the psp playback ... without it the movie seems to hang
1233 static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track)
1235 avio_wb32(pb, 0x24); /* size */
1236 ffio_wfourcc(pb, "edts");
1237 avio_wb32(pb, 0x1c); /* size */
1238 ffio_wfourcc(pb, "elst");
1242 /* duration ... doesn't seem to effect psp */
1243 avio_wb32(pb, av_rescale_rnd(track->trackDuration, MOV_TIMESCALE,
1244 track->timescale, AV_ROUND_UP));
1246 avio_wb32(pb, track->cluster[0].cts); /* first pts is cts since dts is 0 */
1247 avio_wb32(pb, 0x00010000);
1251 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
1253 avio_wb32(pb, 20); // size
1254 ffio_wfourcc(pb, "tref");
1255 avio_wb32(pb, 12); // size (subatom)
1256 avio_wl32(pb, track->tref_tag);
1257 avio_wb32(pb, track->tref_id);
1261 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1262 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
1264 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1265 ffio_wfourcc(pb, "uuid");
1266 ffio_wfourcc(pb, "USMT");
1267 avio_wb32(pb, 0x21d24fce);
1268 avio_wb32(pb, 0xbb88695c);
1269 avio_wb32(pb, 0xfac9c740);
1270 avio_wb32(pb, 0x1c); // another size here!
1271 ffio_wfourcc(pb, "MTDT");
1272 avio_wb32(pb, 0x00010012);
1273 avio_wb32(pb, 0x0a);
1274 avio_wb32(pb, 0x55c40000);
1280 static int mov_write_udta_sdp(AVIOContext *pb, AVCodecContext *ctx, int index)
1282 char buf[1000] = "";
1285 ff_sdp_write_media(buf, sizeof(buf), ctx, NULL, NULL, 0, 0);
1286 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", index);
1289 avio_wb32(pb, len + 24);
1290 ffio_wfourcc(pb, "udta");
1291 avio_wb32(pb, len + 16);
1292 ffio_wfourcc(pb, "hnti");
1293 avio_wb32(pb, len + 8);
1294 ffio_wfourcc(pb, "sdp ");
1295 avio_write(pb, buf, len);
1299 static int mov_write_trak_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1301 int64_t pos = url_ftell(pb);
1302 avio_wb32(pb, 0); /* size */
1303 ffio_wfourcc(pb, "trak");
1304 mov_write_tkhd_tag(pb, track, st);
1305 if (track->mode == MODE_PSP || track->flags & MOV_TRACK_CTTS)
1306 mov_write_edts_tag(pb, track); // PSP Movies require edts box
1307 if (track->tref_tag)
1308 mov_write_tref_tag(pb, track);
1309 mov_write_mdia_tag(pb, track);
1310 if (track->mode == MODE_PSP)
1311 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
1312 if (track->tag == MKTAG('r','t','p',' '))
1313 mov_write_udta_sdp(pb, track->rtp_ctx->streams[0]->codec, track->trackID);
1314 return updateSize(pb, pos);
1318 /* TODO: Not sorted out, but not necessary either */
1319 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
1321 avio_wb32(pb, 0x15); /* size */
1322 ffio_wfourcc(pb, "iods");
1323 avio_wb32(pb, 0); /* version & flags */
1324 avio_wb16(pb, 0x1007);
1326 avio_wb16(pb, 0x4fff);
1327 avio_wb16(pb, 0xfffe);
1328 avio_wb16(pb, 0x01ff);
1333 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
1335 int maxTrackID = 1, i;
1336 int64_t maxTrackLenTemp, maxTrackLen = 0;
1339 for (i=0; i<mov->nb_streams; i++) {
1340 if(mov->tracks[i].entry > 0) {
1341 maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration,
1343 mov->tracks[i].timescale,
1345 if(maxTrackLen < maxTrackLenTemp)
1346 maxTrackLen = maxTrackLenTemp;
1347 if(maxTrackID < mov->tracks[i].trackID)
1348 maxTrackID = mov->tracks[i].trackID;
1352 version = maxTrackLen < UINT32_MAX ? 0 : 1;
1353 (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
1354 ffio_wfourcc(pb, "mvhd");
1355 avio_w8(pb, version);
1356 avio_wb24(pb, 0); /* flags */
1358 avio_wb64(pb, mov->time);
1359 avio_wb64(pb, mov->time);
1361 avio_wb32(pb, mov->time); /* creation time */
1362 avio_wb32(pb, mov->time); /* modification time */
1364 avio_wb32(pb, MOV_TIMESCALE);
1365 (version == 1) ? avio_wb64(pb, maxTrackLen) : avio_wb32(pb, maxTrackLen); /* duration of longest track */
1367 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1368 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1369 avio_wb16(pb, 0); /* reserved */
1370 avio_wb32(pb, 0); /* reserved */
1371 avio_wb32(pb, 0); /* reserved */
1373 /* Matrix structure */
1374 avio_wb32(pb, 0x00010000); /* reserved */
1375 avio_wb32(pb, 0x0); /* reserved */
1376 avio_wb32(pb, 0x0); /* reserved */
1377 avio_wb32(pb, 0x0); /* reserved */
1378 avio_wb32(pb, 0x00010000); /* reserved */
1379 avio_wb32(pb, 0x0); /* reserved */
1380 avio_wb32(pb, 0x0); /* reserved */
1381 avio_wb32(pb, 0x0); /* reserved */
1382 avio_wb32(pb, 0x40000000); /* reserved */
1384 avio_wb32(pb, 0); /* reserved (preview time) */
1385 avio_wb32(pb, 0); /* reserved (preview duration) */
1386 avio_wb32(pb, 0); /* reserved (poster time) */
1387 avio_wb32(pb, 0); /* reserved (selection time) */
1388 avio_wb32(pb, 0); /* reserved (selection duration) */
1389 avio_wb32(pb, 0); /* reserved (current time) */
1390 avio_wb32(pb, maxTrackID+1); /* Next track id */
1394 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
1397 avio_wb32(pb, 33); /* size */
1398 ffio_wfourcc(pb, "hdlr");
1401 ffio_wfourcc(pb, "mdir");
1402 ffio_wfourcc(pb, "appl");
1409 /* helper function to write a data tag with the specified string as data */
1410 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
1413 int size = 16 + strlen(data);
1414 avio_wb32(pb, size); /* size */
1415 ffio_wfourcc(pb, "data");
1418 avio_write(pb, data, strlen(data));
1422 lang = ff_mov_iso639_to_lang("und", 1);
1423 avio_wb16(pb, strlen(data)); /* string length */
1424 avio_wb16(pb, lang);
1425 avio_write(pb, data, strlen(data));
1426 return strlen(data) + 4;
1430 static int mov_write_string_tag(AVIOContext *pb, const char *name, const char *value, int lang, int long_style){
1432 if (value && value[0]) {
1433 int64_t pos = url_ftell(pb);
1434 avio_wb32(pb, 0); /* size */
1435 ffio_wfourcc(pb, name);
1436 mov_write_string_data_tag(pb, value, lang, long_style);
1437 size= updateSize(pb, pos);
1442 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
1443 const char *name, const char *tag,
1446 int l, lang = 0, len, len2;
1447 AVMetadataTag *t, *t2 = NULL;
1450 if (!(t = av_metadata_get(s->metadata, tag, NULL, 0)))
1453 len = strlen(t->key);
1454 snprintf(tag2, sizeof(tag2), "%s-", tag);
1455 while ((t2 = av_metadata_get(s->metadata, tag2, t2, AV_METADATA_IGNORE_SUFFIX))) {
1456 len2 = strlen(t2->key);
1457 if (len2 == len+4 && !strcmp(t->value, t2->value)
1458 && (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 1)) >= 0) {
1463 return mov_write_string_tag(pb, name, t->value, lang, long_style);
1466 /* iTunes track number */
1467 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
1470 AVMetadataTag *t = av_metadata_get(s->metadata, "track", NULL, 0);
1471 int size = 0, track = t ? atoi(t->value) : 0;
1473 avio_wb32(pb, 32); /* size */
1474 ffio_wfourcc(pb, "trkn");
1475 avio_wb32(pb, 24); /* size */
1476 ffio_wfourcc(pb, "data");
1477 avio_wb32(pb, 0); // 8 bytes empty
1479 avio_wb16(pb, 0); // empty
1480 avio_wb16(pb, track); // track number
1481 avio_wb16(pb, 0); // total track number
1482 avio_wb16(pb, 0); // empty
1488 /* iTunes meta data list */
1489 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
1492 int64_t pos = url_ftell(pb);
1493 avio_wb32(pb, 0); /* size */
1494 ffio_wfourcc(pb, "ilst");
1495 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
1496 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
1497 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
1498 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
1499 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
1500 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
1501 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
1502 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
1503 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
1504 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
1505 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
1506 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
1507 mov_write_string_metadata(s, pb, "desc", "description",1);
1508 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
1509 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
1510 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
1511 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
1512 mov_write_trkn_tag(pb, mov, s);
1513 return updateSize(pb, pos);
1516 /* iTunes meta data tag */
1517 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
1521 int64_t pos = url_ftell(pb);
1522 avio_wb32(pb, 0); /* size */
1523 ffio_wfourcc(pb, "meta");
1525 mov_write_itunes_hdlr_tag(pb, mov, s);
1526 mov_write_ilst_tag(pb, mov, s);
1527 size = updateSize(pb, pos);
1531 static int utf8len(const uint8_t *b)
1536 GET_UTF8(val, *b++, return -1;)
1542 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
1546 GET_UTF8(val, *b++, return -1;)
1549 avio_wb16(pb, 0x00);
1553 static uint16_t language_code(const char *str)
1555 return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
1558 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
1559 const char *tag, const char *str)
1561 int64_t pos = url_ftell(pb);
1562 AVMetadataTag *t = av_metadata_get(s->metadata, str, NULL, 0);
1563 if (!t || !utf8len(t->value))
1565 avio_wb32(pb, 0); /* size */
1566 ffio_wfourcc(pb, tag); /* type */
1567 avio_wb32(pb, 0); /* version + flags */
1568 if (!strcmp(tag, "yrrc"))
1569 avio_wb16(pb, atoi(t->value));
1571 avio_wb16(pb, language_code("eng")); /* language */
1572 avio_write(pb, t->value, strlen(t->value)+1); /* UTF8 string value */
1573 if (!strcmp(tag, "albm") &&
1574 (t = av_metadata_get(s->metadata, "track", NULL, 0)))
1575 avio_w8(pb, atoi(t->value));
1577 return updateSize(pb, pos);
1580 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
1582 int64_t pos = url_ftell(pb);
1583 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
1585 avio_wb32(pb, 0); // size
1586 ffio_wfourcc(pb, "chpl");
1587 avio_wb32(pb, 0x01000000); // version + flags
1588 avio_wb32(pb, 0); // unknown
1589 avio_w8(pb, nb_chapters);
1591 for (i = 0; i < nb_chapters; i++) {
1592 AVChapter *c = s->chapters[i];
1594 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
1596 if ((t = av_metadata_get(c->metadata, "title", NULL, 0))) {
1597 int len = FFMIN(strlen(t->value), 255);
1599 avio_write(pb, t->value, len);
1603 return updateSize(pb, pos);
1606 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
1609 AVIOContext *pb_buf;
1613 for (i = 0; i < s->nb_streams; i++)
1614 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
1618 ret = url_open_dyn_buf(&pb_buf);
1622 if (mov->mode & MODE_3GP) {
1623 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
1624 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
1625 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
1626 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
1627 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
1628 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
1629 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
1630 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
1631 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
1632 mov_write_string_metadata(s, pb_buf, "\251ART", "artist" , 0);
1633 mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0);
1634 mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0);
1635 mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0);
1636 mov_write_string_metadata(s, pb_buf, "\251day", "date" , 0);
1637 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder" , 0);
1638 mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0);
1639 mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0);
1640 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0);
1642 /* iTunes meta data */
1643 mov_write_meta_tag(pb_buf, mov, s);
1647 mov_write_chpl_tag(pb_buf, s);
1649 if ((size = url_close_dyn_buf(pb_buf, &buf)) > 0) {
1650 avio_wb32(pb, size+8);
1651 ffio_wfourcc(pb, "udta");
1652 avio_write(pb, buf, size);
1659 static void mov_write_psp_udta_tag(AVIOContext *pb,
1660 const char *str, const char *lang, int type)
1662 int len = utf8len(str)+1;
1665 avio_wb16(pb, len*2+10); /* size */
1666 avio_wb32(pb, type); /* type */
1667 avio_wb16(pb, language_code(lang)); /* language */
1668 avio_wb16(pb, 0x01); /* ? */
1669 ascii_to_wc(pb, str);
1672 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
1674 AVMetadataTag *title = av_metadata_get(s->metadata, "title", NULL, 0);
1678 pos = url_ftell(pb);
1679 avio_wb32(pb, 0); /* size placeholder*/
1680 ffio_wfourcc(pb, "uuid");
1681 ffio_wfourcc(pb, "USMT");
1682 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
1683 avio_wb32(pb, 0xbb88695c);
1684 avio_wb32(pb, 0xfac9c740);
1686 pos2 = url_ftell(pb);
1687 avio_wb32(pb, 0); /* size placeholder*/
1688 ffio_wfourcc(pb, "MTDT");
1692 avio_wb16(pb, 0x0C); /* size */
1693 avio_wb32(pb, 0x0B); /* type */
1694 avio_wb16(pb, language_code("und")); /* language */
1695 avio_wb16(pb, 0x0); /* ? */
1696 avio_wb16(pb, 0x021C); /* data */
1698 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
1699 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
1700 // 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);
1701 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
1703 updateSize(pb, pos2);
1704 return updateSize(pb, pos);
1710 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
1714 int64_t pos = url_ftell(pb);
1715 avio_wb32(pb, 0); /* size placeholder*/
1716 ffio_wfourcc(pb, "moov");
1718 for (i=0; i<mov->nb_streams; i++) {
1719 if(mov->tracks[i].entry <= 0) continue;
1721 mov->tracks[i].time = mov->time;
1722 mov->tracks[i].trackID = i+1;
1725 if (mov->chapter_track)
1726 for (i=0; i<s->nb_streams; i++) {
1727 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
1728 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].trackID;
1730 for (i = 0; i < mov->nb_streams; i++) {
1731 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
1732 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
1733 mov->tracks[i].tref_id =
1734 mov->tracks[mov->tracks[i].src_track].trackID;
1738 mov_write_mvhd_tag(pb, mov);
1739 //mov_write_iods_tag(pb, mov);
1740 for (i=0; i<mov->nb_streams; i++) {
1741 if(mov->tracks[i].entry > 0) {
1742 mov_write_trak_tag(pb, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
1746 if (mov->mode == MODE_PSP)
1747 mov_write_uuidusmt_tag(pb, s);
1749 mov_write_udta_tag(pb, mov, s);
1751 return updateSize(pb, pos);
1754 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
1756 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
1757 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
1759 mov->mdat_pos = url_ftell(pb);
1760 avio_wb32(pb, 0); /* size placeholder*/
1761 ffio_wfourcc(pb, "mdat");
1765 /* TODO: This needs to be more general */
1766 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
1768 MOVMuxContext *mov = s->priv_data;
1769 int64_t pos = url_ftell(pb);
1770 int has_h264 = 0, has_video = 0;
1774 for (i = 0; i < s->nb_streams; i++) {
1775 AVStream *st = s->streams[i];
1776 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
1778 if (st->codec->codec_id == CODEC_ID_H264)
1782 avio_wb32(pb, 0); /* size */
1783 ffio_wfourcc(pb, "ftyp");
1785 if (mov->mode == MODE_3GP) {
1786 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
1787 minor = has_h264 ? 0x100 : 0x200;
1788 } else if (mov->mode & MODE_3G2) {
1789 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
1790 minor = has_h264 ? 0x20000 : 0x10000;
1791 }else if (mov->mode == MODE_PSP)
1792 ffio_wfourcc(pb, "MSNV");
1793 else if (mov->mode == MODE_MP4)
1794 ffio_wfourcc(pb, "isom");
1795 else if (mov->mode == MODE_IPOD)
1796 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
1798 ffio_wfourcc(pb, "qt ");
1800 avio_wb32(pb, minor);
1802 if(mov->mode == MODE_MOV)
1803 ffio_wfourcc(pb, "qt ");
1805 ffio_wfourcc(pb, "isom");
1806 ffio_wfourcc(pb, "iso2");
1808 ffio_wfourcc(pb, "avc1");
1811 if (mov->mode == MODE_3GP)
1812 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
1813 else if (mov->mode & MODE_3G2)
1814 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
1815 else if (mov->mode == MODE_PSP)
1816 ffio_wfourcc(pb, "MSNV");
1817 else if (mov->mode == MODE_MP4)
1818 ffio_wfourcc(pb, "mp41");
1819 return updateSize(pb, pos);
1822 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
1824 AVCodecContext *VideoCodec = s->streams[0]->codec;
1825 AVCodecContext *AudioCodec = s->streams[1]->codec;
1826 int AudioRate = AudioCodec->sample_rate;
1827 int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num);
1828 int audio_kbitrate= AudioCodec->bit_rate / 1000;
1829 int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate);
1831 avio_wb32(pb, 0x94); /* size */
1832 ffio_wfourcc(pb, "uuid");
1833 ffio_wfourcc(pb, "PROF");
1835 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
1836 avio_wb32(pb, 0xbb88695c);
1837 avio_wb32(pb, 0xfac9c740);
1839 avio_wb32(pb, 0x0); /* ? */
1840 avio_wb32(pb, 0x3); /* 3 sections ? */
1842 avio_wb32(pb, 0x14); /* size */
1843 ffio_wfourcc(pb, "FPRF");
1844 avio_wb32(pb, 0x0); /* ? */
1845 avio_wb32(pb, 0x0); /* ? */
1846 avio_wb32(pb, 0x0); /* ? */
1848 avio_wb32(pb, 0x2c); /* size */
1849 ffio_wfourcc(pb, "APRF");/* audio */
1851 avio_wb32(pb, 0x2); /* TrackID */
1852 ffio_wfourcc(pb, "mp4a");
1853 avio_wb32(pb, 0x20f);
1855 avio_wb32(pb, audio_kbitrate);
1856 avio_wb32(pb, audio_kbitrate);
1857 avio_wb32(pb, AudioRate);
1858 avio_wb32(pb, AudioCodec->channels);
1860 avio_wb32(pb, 0x34); /* size */
1861 ffio_wfourcc(pb, "VPRF"); /* video */
1863 avio_wb32(pb, 0x1); /* TrackID */
1864 if (VideoCodec->codec_id == CODEC_ID_H264) {
1865 ffio_wfourcc(pb, "avc1");
1866 avio_wb16(pb, 0x014D);
1867 avio_wb16(pb, 0x0015);
1869 ffio_wfourcc(pb, "mp4v");
1870 avio_wb16(pb, 0x0000);
1871 avio_wb16(pb, 0x0103);
1874 avio_wb32(pb, video_kbitrate);
1875 avio_wb32(pb, video_kbitrate);
1876 avio_wb32(pb, FrameRate);
1877 avio_wb32(pb, FrameRate);
1878 avio_wb16(pb, VideoCodec->width);
1879 avio_wb16(pb, VideoCodec->height);
1880 avio_wb32(pb, 0x010001); /* ? */
1883 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
1886 int i, closed_gop = 0;
1888 for (i = 0; i < pkt->size - 4; i++) {
1889 c = (c<<8) + pkt->data[i];
1890 if (c == 0x1b8) { // gop
1891 closed_gop = pkt->data[i+4]>>6 & 0x01;
1892 } else if (c == 0x100) { // pic
1893 int temp_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
1894 if (!temp_ref || closed_gop) // I picture is not reordered
1895 *flags = MOV_SYNC_SAMPLE;
1897 *flags = MOV_PARTIAL_SYNC_SAMPLE;
1904 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
1906 MOVMuxContext *mov = s->priv_data;
1907 AVIOContext *pb = s->pb;
1908 MOVTrack *trk = &mov->tracks[pkt->stream_index];
1909 AVCodecContext *enc = trk->enc;
1910 unsigned int samplesInChunk = 0;
1911 int size= pkt->size;
1913 if (url_is_streamed(s->pb)) return 0; /* Can't handle that */
1914 if (!size) return 0; /* Discard 0 sized packets */
1916 if (enc->codec_id == CODEC_ID_AMR_NB) {
1917 /* We must find out how many AMR blocks there are in one packet */
1918 static uint16_t packed_size[16] =
1919 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 0};
1922 while (len < size && samplesInChunk < 100) {
1923 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
1926 if(samplesInChunk > 1){
1927 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
1930 } else if (enc->codec_id == CODEC_ID_ADPCM_MS ||
1931 enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
1932 samplesInChunk = enc->frame_size;
1933 } else if (trk->sampleSize)
1934 samplesInChunk = size/trk->sampleSize;
1938 /* copy extradata if it exists */
1939 if (trk->vosLen == 0 && enc->extradata_size > 0) {
1940 trk->vosLen = enc->extradata_size;
1941 trk->vosData = av_malloc(trk->vosLen);
1942 memcpy(trk->vosData, enc->extradata, trk->vosLen);
1945 if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) {
1946 /* from x264 or from bytestream h264 */
1947 /* nal reformating needed */
1948 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
1950 avio_write(pb, pkt->data, size);
1953 if ((enc->codec_id == CODEC_ID_DNXHD ||
1954 enc->codec_id == CODEC_ID_AC3) && !trk->vosLen) {
1955 /* copy frame to create needed atoms */
1957 trk->vosData = av_malloc(size);
1959 return AVERROR(ENOMEM);
1960 memcpy(trk->vosData, pkt->data, size);
1963 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
1964 trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster));
1969 trk->cluster[trk->entry].pos = url_ftell(pb) - size;
1970 trk->cluster[trk->entry].samplesInChunk = samplesInChunk;
1971 trk->cluster[trk->entry].size = size;
1972 trk->cluster[trk->entry].entries = samplesInChunk;
1973 trk->cluster[trk->entry].dts = pkt->dts;
1974 trk->trackDuration = pkt->dts - trk->cluster[0].dts + pkt->duration;
1976 if (pkt->pts == AV_NOPTS_VALUE) {
1977 av_log(s, AV_LOG_WARNING, "pts has no value\n");
1978 pkt->pts = pkt->dts;
1980 if (pkt->dts != pkt->pts)
1981 trk->flags |= MOV_TRACK_CTTS;
1982 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
1983 trk->cluster[trk->entry].flags = 0;
1984 if (pkt->flags & AV_PKT_FLAG_KEY) {
1985 if (mov->mode == MODE_MOV && enc->codec_id == CODEC_ID_MPEG2VIDEO &&
1986 trk->entry > 0) { // force sync sample for the first key frame
1987 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
1988 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
1989 trk->flags |= MOV_TRACK_STPS;
1991 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
1993 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
1994 trk->hasKeyframes++;
1997 trk->sampleCount += samplesInChunk;
1998 mov->mdat_size += size;
2000 put_flush_packet(pb);
2002 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
2003 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry);
2007 // QuickTime chapters involve an additional text track with the chapter names
2008 // as samples, and a tref pointing from the other tracks to the chapter one.
2009 static void mov_create_chapter_track(AVFormatContext *s, int tracknum)
2011 MOVMuxContext *mov = s->priv_data;
2012 MOVTrack *track = &mov->tracks[tracknum];
2013 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
2016 track->mode = mov->mode;
2017 track->tag = MKTAG('t','e','x','t');
2018 track->timescale = MOV_TIMESCALE;
2019 track->enc = avcodec_alloc_context();
2020 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
2022 for (i = 0; i < s->nb_chapters; i++) {
2023 AVChapter *c = s->chapters[i];
2026 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
2027 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
2028 pkt.duration = end - pkt.dts;
2030 if ((t = av_metadata_get(c->metadata, "title", NULL, 0))) {
2031 len = strlen(t->value);
2033 pkt.data = av_malloc(pkt.size);
2034 AV_WB16(pkt.data, len);
2035 memcpy(pkt.data+2, t->value, len);
2036 ff_mov_write_packet(s, &pkt);
2037 av_freep(&pkt.data);
2042 static int mov_write_header(AVFormatContext *s)
2044 AVIOContext *pb = s->pb;
2045 MOVMuxContext *mov = s->priv_data;
2046 int i, hint_track = 0;
2048 if (url_is_streamed(s->pb)) {
2049 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
2053 /* Default mode == MP4 */
2054 mov->mode = MODE_MP4;
2056 if (s->oformat != NULL) {
2057 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
2058 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
2059 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
2060 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
2061 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
2063 mov_write_ftyp_tag(pb,s);
2064 if (mov->mode == MODE_PSP) {
2065 if (s->nb_streams != 2) {
2066 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
2069 mov_write_uuidprof_tag(pb,s);
2073 mov->nb_streams = s->nb_streams;
2074 if (mov->mode & (MODE_MOV|MODE_IPOD) && s->nb_chapters)
2075 mov->chapter_track = mov->nb_streams++;
2077 if (s->flags & AVFMT_FLAG_RTP_HINT) {
2078 /* Add hint tracks for each audio and video stream */
2079 hint_track = mov->nb_streams;
2080 for (i = 0; i < s->nb_streams; i++) {
2081 AVStream *st = s->streams[i];
2082 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2083 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
2089 mov->tracks = av_mallocz(mov->nb_streams*sizeof(*mov->tracks));
2091 return AVERROR(ENOMEM);
2093 for(i=0; i<s->nb_streams; i++){
2094 AVStream *st= s->streams[i];
2095 MOVTrack *track= &mov->tracks[i];
2096 AVMetadataTag *lang = av_metadata_get(st->metadata, "language", NULL,0);
2098 track->enc = st->codec;
2099 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
2100 if (track->language < 0)
2101 track->language = 0;
2102 track->mode = mov->mode;
2103 track->tag = mov_find_codec_tag(s, track);
2105 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
2106 "codec not currently supported in container\n", i);
2109 /* If hinting of this track is enabled by a later hint track,
2110 * this is updated. */
2111 track->hint_track = -1;
2112 if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
2113 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
2114 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
2115 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
2116 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
2117 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
2120 track->height = track->tag>>24 == 'n' ? 486 : 576;
2122 track->timescale = st->codec->time_base.den;
2123 if (track->mode == MODE_MOV && track->timescale > 100000)
2124 av_log(s, AV_LOG_WARNING,
2125 "WARNING codec timebase is very high. If duration is too long,\n"
2126 "file may not be playable by quicktime. Specify a shorter timebase\n"
2127 "or choose different container.\n");
2128 }else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
2129 track->timescale = st->codec->sample_rate;
2130 if(!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
2131 av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
2133 }else if(st->codec->codec_id == CODEC_ID_ADPCM_MS ||
2134 st->codec->codec_id == CODEC_ID_ADPCM_IMA_WAV){
2135 if (!st->codec->block_align) {
2136 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
2139 track->sampleSize = st->codec->block_align;
2140 }else if(st->codec->frame_size > 1){ /* assume compressed audio */
2141 track->audio_vbr = 1;
2143 st->codec->frame_size = 1;
2144 track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
2146 if (track->mode != MODE_MOV) {
2147 if (track->timescale > UINT16_MAX) {
2148 av_log(s, AV_LOG_ERROR, "track %d: output format does not support "
2149 "sample rate %dhz\n", i, track->timescale);
2152 if (track->enc->codec_id == CODEC_ID_MP3 && track->timescale < 16000) {
2153 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
2154 i, track->enc->sample_rate);
2158 }else if(st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE){
2159 track->timescale = st->codec->time_base.den;
2162 track->height = st->codec->height;
2164 av_set_pts_info(st, 64, 1, track->timescale);
2167 mov_write_mdat_tag(pb, mov);
2168 mov->time = s->timestamp + 0x7C25B080; //1970 based -> 1904 based
2170 if (mov->chapter_track)
2171 mov_create_chapter_track(s, mov->chapter_track);
2173 if (s->flags & AVFMT_FLAG_RTP_HINT) {
2174 /* Initialize the hint tracks for each audio and video stream */
2175 for (i = 0; i < s->nb_streams; i++) {
2176 AVStream *st = s->streams[i];
2177 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2178 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
2179 ff_mov_init_hinting(s, hint_track, i);
2185 put_flush_packet(pb);
2189 av_freep(&mov->tracks);
2193 static int mov_write_trailer(AVFormatContext *s)
2195 MOVMuxContext *mov = s->priv_data;
2196 AVIOContext *pb = s->pb;
2200 int64_t moov_pos = url_ftell(pb);
2202 /* Write size of mdat tag */
2203 if (mov->mdat_size+8 <= UINT32_MAX) {
2204 url_fseek(pb, mov->mdat_pos, SEEK_SET);
2205 avio_wb32(pb, mov->mdat_size+8);
2207 /* overwrite 'wide' placeholder atom */
2208 url_fseek(pb, mov->mdat_pos - 8, SEEK_SET);
2209 avio_wb32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */
2210 ffio_wfourcc(pb, "mdat");
2211 avio_wb64(pb, mov->mdat_size+16);
2213 url_fseek(pb, moov_pos, SEEK_SET);
2215 mov_write_moov_tag(pb, mov, s);
2217 if (mov->chapter_track)
2218 av_freep(&mov->tracks[mov->chapter_track].enc);
2220 for (i=0; i<mov->nb_streams; i++) {
2221 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
2222 ff_mov_close_hinting(&mov->tracks[i]);
2223 av_freep(&mov->tracks[i].cluster);
2225 if(mov->tracks[i].vosLen) av_free(mov->tracks[i].vosData);
2229 put_flush_packet(pb);
2231 av_freep(&mov->tracks);
2236 #if CONFIG_MOV_MUXER
2237 AVOutputFormat ff_mov_muxer = {
2239 NULL_IF_CONFIG_SMALL("MOV format"),
2242 sizeof(MOVMuxContext),
2246 ff_mov_write_packet,
2248 .flags = AVFMT_GLOBALHEADER,
2249 .codec_tag = (const AVCodecTag* const []){codec_movvideo_tags, codec_movaudio_tags, 0},
2252 #if CONFIG_TGP_MUXER
2253 AVOutputFormat ff_tgp_muxer = {
2255 NULL_IF_CONFIG_SMALL("3GP format"),
2258 sizeof(MOVMuxContext),
2262 ff_mov_write_packet,
2264 .flags = AVFMT_GLOBALHEADER,
2265 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
2268 #if CONFIG_MP4_MUXER
2269 AVOutputFormat ff_mp4_muxer = {
2271 NULL_IF_CONFIG_SMALL("MP4 format"),
2274 sizeof(MOVMuxContext),
2278 ff_mov_write_packet,
2280 .flags = AVFMT_GLOBALHEADER,
2281 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
2284 #if CONFIG_PSP_MUXER
2285 AVOutputFormat ff_psp_muxer = {
2287 NULL_IF_CONFIG_SMALL("PSP MP4 format"),
2290 sizeof(MOVMuxContext),
2294 ff_mov_write_packet,
2296 .flags = AVFMT_GLOBALHEADER,
2297 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
2300 #if CONFIG_TG2_MUXER
2301 AVOutputFormat ff_tg2_muxer = {
2303 NULL_IF_CONFIG_SMALL("3GP2 format"),
2306 sizeof(MOVMuxContext),
2310 ff_mov_write_packet,
2312 .flags = AVFMT_GLOBALHEADER,
2313 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
2316 #if CONFIG_IPOD_MUXER
2317 AVOutputFormat ff_ipod_muxer = {
2319 NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"),
2322 sizeof(MOVMuxContext),
2326 ff_mov_write_packet,
2328 .flags = AVFMT_GLOBALHEADER,
2329 .codec_tag = (const AVCodecTag* const []){codec_ipod_tags, 0},