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"
35 #include "libavutil/intfloat_readwrite.h"
36 #include "libavutil/mathematics.h"
37 #include "libavutil/opt.h"
38 #include "libavutil/dict.h"
44 static const AVOption options[] = {
45 { "movflags", "MOV muxer flags", offsetof(MOVMuxContext, flags), AV_OPT_TYPE_FLAGS, {.dbl = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
46 { "rtphint", "Add RTP hint tracks", 0, AV_OPT_TYPE_CONST, {.dbl = FF_MOV_FLAG_RTP_HINT}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
47 { "moov_size", "maximum moov size so it can be placed at the begin", offsetof(MOVMuxContext, reserved_moov_size), AV_OPT_TYPE_INT, {.dbl = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, 0 },
48 { "frag_size", "maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.dbl = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, 0 },
49 { "frag_duration", "maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.dbl = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, 0 },
50 FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
54 #define MOV_CLASS(flavor)\
55 static const AVClass flavor ## _muxer_class = {\
56 .class_name = #flavor " muxer",\
57 .item_name = av_default_item_name,\
59 .version = LIBAVUTIL_VERSION_INT,\
62 static int update_first_fragment(AVFormatContext *s);
64 //FIXME support 64 bit variant with wide placeholders
65 static int64_t updateSize(AVIOContext *pb, int64_t pos)
67 int64_t curpos = avio_tell(pb);
68 avio_seek(pb, pos, SEEK_SET);
69 avio_wb32(pb, curpos - pos); /* rewrite size */
70 avio_seek(pb, curpos, SEEK_SET);
75 /* Chunk offset atom */
76 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
79 int mode64 = 0; // use 32 bit size variant if possible
80 int64_t pos = avio_tell(pb);
81 avio_wb32(pb, 0); /* size */
82 if (pos > UINT32_MAX) {
84 ffio_wfourcc(pb, "co64");
86 ffio_wfourcc(pb, "stco");
87 avio_wb32(pb, 0); /* version & flags */
88 avio_wb32(pb, track->chunkCount); /* entry count */
89 for (i=0; i<track->entry; i++) {
90 if(!track->cluster[i].chunkNum)
93 avio_wb64(pb, track->cluster[i].pos);
95 avio_wb32(pb, track->cluster[i].pos);
97 return updateSize(pb, pos);
100 /* Sample size atom */
101 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
104 int i, j, entries = 0, tst = -1, oldtst = -1;
106 int64_t pos = avio_tell(pb);
107 avio_wb32(pb, 0); /* size */
108 ffio_wfourcc(pb, "stsz");
109 avio_wb32(pb, 0); /* version & flags */
111 for (i=0; i<track->entry; i++) {
112 tst = track->cluster[i].size/track->cluster[i].entries;
113 if(oldtst != -1 && tst != oldtst) {
117 entries += track->cluster[i].entries;
120 int sSize = track->cluster[0].size/track->cluster[0].entries;
121 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
122 avio_wb32(pb, sSize); // sample size
123 avio_wb32(pb, entries); // sample count
126 avio_wb32(pb, 0); // sample size
127 avio_wb32(pb, entries); // sample count
128 for (i=0; i<track->entry; i++) {
129 for (j=0; j<track->cluster[i].entries; j++) {
130 avio_wb32(pb, track->cluster[i].size /
131 track->cluster[i].entries);
135 return updateSize(pb, pos);
138 /* Sample to chunk atom */
139 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
141 int index = 0, oldval = -1, i;
142 int64_t entryPos, curpos;
144 int64_t pos = avio_tell(pb);
145 avio_wb32(pb, 0); /* size */
146 ffio_wfourcc(pb, "stsc");
147 avio_wb32(pb, 0); // version & flags
148 entryPos = avio_tell(pb);
149 avio_wb32(pb, track->chunkCount); // entry count
150 for (i=0; i<track->entry; i++) {
151 if(oldval != track->cluster[i].samplesInChunk && track->cluster[i].chunkNum)
153 avio_wb32(pb, track->cluster[i].chunkNum); // first chunk
154 avio_wb32(pb, track->cluster[i].samplesInChunk); // samples per chunk
155 avio_wb32(pb, 0x1); // sample description index
156 oldval = track->cluster[i].samplesInChunk;
160 curpos = avio_tell(pb);
161 avio_seek(pb, entryPos, SEEK_SET);
162 avio_wb32(pb, index); // rewrite size
163 avio_seek(pb, curpos, SEEK_SET);
165 return updateSize(pb, pos);
168 /* Sync sample atom */
169 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
171 int64_t curpos, entryPos;
173 int64_t pos = avio_tell(pb);
174 avio_wb32(pb, 0); // size
175 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
176 avio_wb32(pb, 0); // version & flags
177 entryPos = avio_tell(pb);
178 avio_wb32(pb, track->entry); // entry count
179 for (i=0; i<track->entry; i++) {
180 if (track->cluster[i].flags & flag) {
185 curpos = avio_tell(pb);
186 avio_seek(pb, entryPos, SEEK_SET);
187 avio_wb32(pb, index); // rewrite size
188 avio_seek(pb, curpos, SEEK_SET);
189 return updateSize(pb, pos);
192 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
194 avio_wb32(pb, 0x11); /* size */
195 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
196 else ffio_wfourcc(pb, "damr");
197 ffio_wfourcc(pb, "FFMP");
198 avio_w8(pb, 0); /* decoder version */
200 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
201 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
202 avio_w8(pb, 0x01); /* Frames per sample */
206 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
211 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
213 if (track->vosLen < 7)
217 ffio_wfourcc(pb, "dac3");
219 init_get_bits(&gbc, track->vosData+4, (track->vosLen-4) * 8);
220 fscod = get_bits(&gbc, 2);
221 frmsizecod = get_bits(&gbc, 6);
222 bsid = get_bits(&gbc, 5);
223 bsmod = get_bits(&gbc, 3);
224 acmod = get_bits(&gbc, 3);
226 skip_bits(&gbc, 2); // dsurmod
228 if ((acmod & 1) && acmod != 1)
229 skip_bits(&gbc, 2); // cmixlev
231 skip_bits(&gbc, 2); // surmixlev
233 lfeon = get_bits1(&gbc);
235 init_put_bits(&pbc, buf, sizeof(buf));
236 put_bits(&pbc, 2, fscod);
237 put_bits(&pbc, 5, bsid);
238 put_bits(&pbc, 3, bsmod);
239 put_bits(&pbc, 3, acmod);
240 put_bits(&pbc, 1, lfeon);
241 put_bits(&pbc, 5, frmsizecod>>1); // bit_rate_code
242 put_bits(&pbc, 5, 0); // reserved
244 flush_put_bits(&pbc);
245 avio_write(pb, buf, sizeof(buf));
251 * This function writes extradata "as is".
252 * Extradata must be formated like a valid atom (with size and tag)
254 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
256 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
257 return track->enc->extradata_size;
260 static int mov_write_enda_tag(AVIOContext *pb)
263 ffio_wfourcc(pb, "enda");
264 avio_wb16(pb, 1); /* little endian */
268 static void putDescr(AVIOContext *pb, int tag, unsigned int size)
273 avio_w8(pb, (size>>(7*i)) | 0x80);
274 avio_w8(pb, size & 0x7F);
277 static unsigned compute_avg_bitrate(MOVTrack *track)
281 for (i = 0; i < track->entry; i++)
282 size += track->cluster[i].size;
283 return size * 8 * track->timescale / track->trackDuration;
286 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
288 int64_t pos = avio_tell(pb);
289 int decoderSpecificInfoLen = track->vosLen ? 5+track->vosLen : 0;
290 unsigned avg_bitrate;
292 avio_wb32(pb, 0); // size
293 ffio_wfourcc(pb, "esds");
294 avio_wb32(pb, 0); // Version
297 putDescr(pb, 0x03, 3 + 5+13 + decoderSpecificInfoLen + 5+1);
298 avio_wb16(pb, track->trackID);
299 avio_w8(pb, 0x00); // flags (= no flags)
301 // DecoderConfig descriptor
302 putDescr(pb, 0x04, 13 + decoderSpecificInfoLen);
304 // Object type indication
305 if ((track->enc->codec_id == CODEC_ID_MP2 ||
306 track->enc->codec_id == CODEC_ID_MP3) &&
307 track->enc->sample_rate > 24000)
308 avio_w8(pb, 0x6B); // 11172-3
310 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
312 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
313 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
314 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
315 avio_w8(pb, 0x15); // flags (= Audiostream)
317 avio_w8(pb, 0x11); // flags (= Visualstream)
319 avio_w8(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits)
320 avio_wb16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB
322 avg_bitrate = compute_avg_bitrate(track);
323 // maxbitrate (FIXME should be max rate in any 1 sec window)
324 avio_wb32(pb, FFMAX3(track->enc->bit_rate, track->enc->rc_max_rate, avg_bitrate));
325 avio_wb32(pb, avg_bitrate);
328 // DecoderSpecific info descriptor
329 putDescr(pb, 0x05, track->vosLen);
330 avio_write(pb, track->vosData, track->vosLen);
334 putDescr(pb, 0x06, 1);
336 return updateSize(pb, pos);
339 static int mov_pcm_le_gt16(enum CodecID codec_id)
341 return codec_id == CODEC_ID_PCM_S24LE ||
342 codec_id == CODEC_ID_PCM_S32LE ||
343 codec_id == CODEC_ID_PCM_F32LE ||
344 codec_id == CODEC_ID_PCM_F64LE;
347 static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
349 int64_t pos = avio_tell(pb);
351 avio_wl32(pb, track->tag); // store it byteswapped
352 track->enc->codec_tag = av_bswap16(track->tag >> 16);
353 ff_put_wav_header(pb, track->enc);
354 return updateSize(pb, pos);
357 static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
359 int64_t pos = avio_tell(pb);
361 avio_wb32(pb, 0); /* size */
362 ffio_wfourcc(pb, "wave");
364 avio_wb32(pb, 12); /* size */
365 ffio_wfourcc(pb, "frma");
366 avio_wl32(pb, track->tag);
368 if (track->enc->codec_id == CODEC_ID_AAC) {
369 /* useless atom needed by mplayer, ipod, not needed by quicktime */
370 avio_wb32(pb, 12); /* size */
371 ffio_wfourcc(pb, "mp4a");
373 mov_write_esds_tag(pb, track);
374 } else if (mov_pcm_le_gt16(track->enc->codec_id)) {
375 mov_write_enda_tag(pb);
376 } else if (track->enc->codec_id == CODEC_ID_AMR_NB) {
377 mov_write_amr_tag(pb, track);
378 } else if (track->enc->codec_id == CODEC_ID_AC3) {
379 mov_write_ac3_tag(pb, track);
380 } else if (track->enc->codec_id == CODEC_ID_ALAC) {
381 mov_write_extradata_tag(pb, track);
382 } else if (track->enc->codec_id == CODEC_ID_ADPCM_MS ||
383 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
384 mov_write_ms_tag(pb, track);
387 avio_wb32(pb, 8); /* size */
388 avio_wb32(pb, 0); /* null tag */
390 return updateSize(pb, pos);
393 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
395 avio_wb32(pb, track->vosLen+8);
396 ffio_wfourcc(pb, "glbl");
397 avio_write(pb, track->vosData, track->vosLen);
398 return 8+track->vosLen;
402 * Compute flags for 'lpcm' tag.
403 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
405 static int mov_get_lpcm_flags(enum CodecID codec_id)
408 case CODEC_ID_PCM_F32BE:
409 case CODEC_ID_PCM_F64BE:
411 case CODEC_ID_PCM_F32LE:
412 case CODEC_ID_PCM_F64LE:
414 case CODEC_ID_PCM_U8:
416 case CODEC_ID_PCM_S16BE:
417 case CODEC_ID_PCM_S24BE:
418 case CODEC_ID_PCM_S32BE:
420 case CODEC_ID_PCM_S8:
421 case CODEC_ID_PCM_S16LE:
422 case CODEC_ID_PCM_S24LE:
423 case CODEC_ID_PCM_S32LE:
430 static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
432 int64_t pos = avio_tell(pb);
434 uint32_t tag = track->tag;
436 if (track->mode == MODE_MOV) {
437 if (track->timescale > UINT16_MAX) {
438 if (mov_get_lpcm_flags(track->enc->codec_id))
439 tag = AV_RL32("lpcm");
441 } else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id) ||
442 track->enc->codec_id == CODEC_ID_ADPCM_MS ||
443 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
448 avio_wb32(pb, 0); /* size */
449 avio_wl32(pb, tag); // store it byteswapped
450 avio_wb32(pb, 0); /* Reserved */
451 avio_wb16(pb, 0); /* Reserved */
452 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
454 /* SoundDescription */
455 avio_wb16(pb, version); /* Version */
456 avio_wb16(pb, 0); /* Revision level */
457 avio_wb32(pb, 0); /* Reserved */
462 avio_wb16(pb, 0xfffe);
464 avio_wb32(pb, 0x00010000);
466 avio_wb64(pb, av_dbl2int(track->timescale));
467 avio_wb32(pb, track->enc->channels);
468 avio_wb32(pb, 0x7F000000);
469 avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
470 avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
471 avio_wb32(pb, track->sampleSize);
472 avio_wb32(pb, track->enc->frame_size);
474 if (track->mode == MODE_MOV) {
475 avio_wb16(pb, track->enc->channels);
476 if (track->enc->codec_id == CODEC_ID_PCM_U8 ||
477 track->enc->codec_id == CODEC_ID_PCM_S8)
478 avio_wb16(pb, 8); /* bits per sample */
481 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
482 } else { /* reserved for mp4/3gp */
488 avio_wb16(pb, 0); /* packet size (= 0) */
489 avio_wb16(pb, track->timescale); /* Time scale */
490 avio_wb16(pb, 0); /* Reserved */
493 if(version == 1) { /* SoundDescription V1 extended info */
494 avio_wb32(pb, track->enc->frame_size); /* Samples per packet */
495 avio_wb32(pb, track->sampleSize / track->enc->channels); /* Bytes per packet */
496 avio_wb32(pb, track->sampleSize); /* Bytes per frame */
497 avio_wb32(pb, 2); /* Bytes per sample */
500 if(track->mode == MODE_MOV &&
501 (track->enc->codec_id == CODEC_ID_AAC ||
502 track->enc->codec_id == CODEC_ID_AC3 ||
503 track->enc->codec_id == CODEC_ID_AMR_NB ||
504 track->enc->codec_id == CODEC_ID_ALAC ||
505 track->enc->codec_id == CODEC_ID_ADPCM_MS ||
506 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV ||
507 mov_pcm_le_gt16(track->enc->codec_id)))
508 mov_write_wave_tag(pb, track);
509 else if(track->tag == MKTAG('m','p','4','a'))
510 mov_write_esds_tag(pb, track);
511 else if(track->enc->codec_id == CODEC_ID_AMR_NB)
512 mov_write_amr_tag(pb, track);
513 else if(track->enc->codec_id == CODEC_ID_AC3)
514 mov_write_ac3_tag(pb, track);
515 else if(track->enc->codec_id == CODEC_ID_ALAC)
516 mov_write_extradata_tag(pb, track);
517 else if(track->vosLen > 0)
518 mov_write_glbl_tag(pb, track);
520 return updateSize(pb, pos);
523 static int mov_write_d263_tag(AVIOContext *pb)
525 avio_wb32(pb, 0xf); /* size */
526 ffio_wfourcc(pb, "d263");
527 ffio_wfourcc(pb, "FFMP");
528 avio_w8(pb, 0); /* decoder version */
529 /* FIXME use AVCodecContext level/profile, when encoder will set values */
530 avio_w8(pb, 0xa); /* level */
531 avio_w8(pb, 0); /* profile */
535 /* TODO: No idea about these values */
536 static int mov_write_svq3_tag(AVIOContext *pb)
539 ffio_wfourcc(pb, "SMI ");
540 ffio_wfourcc(pb, "SEQH");
542 avio_wb32(pb, 0xe2c0211d);
543 avio_wb32(pb, 0xc0000000);
548 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
550 int64_t pos = avio_tell(pb);
553 ffio_wfourcc(pb, "avcC");
554 ff_isom_write_avcc(pb, track->vosData, track->vosLen);
555 return updateSize(pb, pos);
558 /* also used by all avid codecs (dv, imx, meridien) and their variants */
559 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
562 avio_wb32(pb, 24); /* size */
563 ffio_wfourcc(pb, "ACLR");
564 ffio_wfourcc(pb, "ACLR");
565 ffio_wfourcc(pb, "0001");
566 avio_wb32(pb, 2); /* yuv range: full 1 / normal 2 */
567 avio_wb32(pb, 0); /* unknown */
569 avio_wb32(pb, 24); /* size */
570 ffio_wfourcc(pb, "APRG");
571 ffio_wfourcc(pb, "APRG");
572 ffio_wfourcc(pb, "0001");
573 avio_wb32(pb, 1); /* unknown */
574 avio_wb32(pb, 0); /* unknown */
576 avio_wb32(pb, 120); /* size */
577 ffio_wfourcc(pb, "ARES");
578 ffio_wfourcc(pb, "ARES");
579 ffio_wfourcc(pb, "0001");
580 avio_wb32(pb, AV_RB32(track->vosData + 0x28)); /* dnxhd cid, some id ? */
581 avio_wb32(pb, track->enc->width);
582 /* values below are based on samples created with quicktime and avid codecs */
583 if (track->vosData[5] & 2) { // interlaced
584 avio_wb32(pb, track->enc->height/2);
585 avio_wb32(pb, 2); /* unknown */
586 avio_wb32(pb, 0); /* unknown */
587 avio_wb32(pb, 4); /* unknown */
589 avio_wb32(pb, track->enc->height);
590 avio_wb32(pb, 1); /* unknown */
591 avio_wb32(pb, 0); /* unknown */
592 if (track->enc->height == 1080)
593 avio_wb32(pb, 5); /* unknown */
595 avio_wb32(pb, 6); /* unknown */
598 for (i = 0; i < 10; i++)
601 /* extra padding for stsd needed */
606 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
608 int tag = track->enc->codec_tag;
610 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
613 if (track->enc->codec_id == CODEC_ID_H264) tag = MKTAG('a','v','c','1');
614 else if (track->enc->codec_id == CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
615 else if (track->enc->codec_id == CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
616 else if (track->enc->codec_id == CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
617 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
618 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
623 static const AVCodecTag codec_ipod_tags[] = {
624 { CODEC_ID_H264, MKTAG('a','v','c','1') },
625 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
626 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
627 { CODEC_ID_ALAC, MKTAG('a','l','a','c') },
628 { CODEC_ID_AC3, MKTAG('a','c','-','3') },
629 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
630 { CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
631 { CODEC_ID_NONE, 0 },
634 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
636 int tag = track->enc->codec_tag;
638 // keep original tag for subs, ipod supports both formats
639 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
640 (tag == MKTAG('t','x','3','g') ||
641 tag == MKTAG('t','e','x','t'))))
642 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
644 if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v"))
645 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
646 "Quicktime/Ipod might not play the file\n");
651 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
655 if (track->enc->width == 720) /* SD */
656 if (track->enc->height == 480) /* NTSC */
657 if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
658 else tag = MKTAG('d','v','c',' ');
659 else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
660 else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
661 else tag = MKTAG('d','v','p','p');
662 else if (track->enc->height == 720) /* HD 720 line */
663 if (track->enc->time_base.den == 50) tag = MKTAG('d','v','h','q');
664 else tag = MKTAG('d','v','h','p');
665 else if (track->enc->height == 1080) /* HD 1080 line */
666 if (track->enc->time_base.den == 25) tag = MKTAG('d','v','h','5');
667 else tag = MKTAG('d','v','h','6');
669 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
676 static const struct {
677 enum PixelFormat pix_fmt;
680 } mov_pix_fmt_tags[] = {
681 { PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
682 { PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
683 { PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
684 { PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
685 { PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
686 { PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
687 { PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
688 { PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
689 { PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
690 { PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
691 { PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
692 { PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
693 { PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
694 { PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
697 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
699 int tag = track->enc->codec_tag;
702 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
703 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
704 tag = mov_pix_fmt_tags[i].tag;
705 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
713 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
715 int tag = track->enc->codec_tag;
717 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
718 (track->enc->codec_id == CODEC_ID_DVVIDEO ||
719 track->enc->codec_id == CODEC_ID_RAWVIDEO ||
720 track->enc->codec_id == CODEC_ID_H263 ||
721 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
722 if (track->enc->codec_id == CODEC_ID_DVVIDEO)
723 tag = mov_get_dv_codec_tag(s, track);
724 else if (track->enc->codec_id == CODEC_ID_RAWVIDEO)
725 tag = mov_get_rawvideo_codec_tag(s, track);
726 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
727 tag = ff_codec_get_tag(codec_movvideo_tags, track->enc->codec_id);
728 if (!tag) { // if no mac fcc found, try with Microsoft tags
729 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
731 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
732 "the file may be unplayable!\n");
734 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
735 tag = ff_codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
736 if (!tag) { // if no mac fcc found, try with Microsoft tags
737 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
739 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
740 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
741 "the file may be unplayable!\n");
744 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
745 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
751 static const AVCodecTag codec_3gp_tags[] = {
752 { CODEC_ID_H263, MKTAG('s','2','6','3') },
753 { CODEC_ID_H264, MKTAG('a','v','c','1') },
754 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
755 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
756 { CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
757 { CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
758 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
759 { CODEC_ID_NONE, 0 },
762 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
764 int tag = track->enc->codec_tag;
766 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
767 tag = mp4_get_codec_tag(s, track);
768 else if (track->mode == MODE_IPOD)
769 tag = ipod_get_codec_tag(s, track);
770 else if (track->mode & MODE_3GP)
771 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
773 tag = mov_get_codec_tag(s, track);
779 * Needed to make file play in iPods running newest firmware
780 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
782 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
785 ffio_wfourcc(pb, "uuid");
786 avio_wb32(pb, 0x6b6840f2);
787 avio_wb32(pb, 0x5f244fc5);
788 avio_wb32(pb, 0xba39a51b);
789 avio_wb32(pb, 0xcf0323f3);
794 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
796 int64_t pos = avio_tell(pb);
797 avio_wb32(pb, 0); /* size */
798 avio_wl32(pb, track->tag); // store it byteswapped
799 avio_wb32(pb, 0); /* Reserved */
800 avio_wb16(pb, 0); /* Reserved */
801 avio_wb16(pb, 1); /* Data-reference index */
803 if (track->enc->extradata_size)
804 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
806 return updateSize(pb, pos);
809 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
812 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
813 track->enc->sample_aspect_ratio.den, INT_MAX);
816 ffio_wfourcc(pb, "pasp");
817 avio_wb32(pb, sar.num);
818 avio_wb32(pb, sar.den);
822 static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
824 int64_t pos = avio_tell(pb);
825 char compressor_name[32];
827 avio_wb32(pb, 0); /* size */
828 avio_wl32(pb, track->tag); // store it byteswapped
829 avio_wb32(pb, 0); /* Reserved */
830 avio_wb16(pb, 0); /* Reserved */
831 avio_wb16(pb, 1); /* Data-reference index */
833 avio_wb16(pb, 0); /* Codec stream version */
834 avio_wb16(pb, 0); /* Codec stream revision (=0) */
835 if (track->mode == MODE_MOV) {
836 ffio_wfourcc(pb, "FFMP"); /* Vendor */
837 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
838 avio_wb32(pb, 0); /* Temporal Quality */
839 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
841 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
842 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
845 avio_wb32(pb, 0); /* Reserved */
846 avio_wb32(pb, 0); /* Reserved */
847 avio_wb32(pb, 0); /* Reserved */
849 avio_wb16(pb, track->enc->width); /* Video width */
850 avio_wb16(pb, track->height); /* Video height */
851 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
852 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
853 avio_wb32(pb, 0); /* Data size (= 0) */
854 avio_wb16(pb, 1); /* Frame count (= 1) */
856 memset(compressor_name,0,32);
857 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
858 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
859 av_strlcpy(compressor_name,track->enc->codec->name,32);
860 avio_w8(pb, strlen(compressor_name));
861 avio_write(pb, compressor_name, 31);
863 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
864 avio_wb16(pb, track->enc->bits_per_coded_sample);
866 avio_wb16(pb, 0x18); /* Reserved */
867 avio_wb16(pb, 0xffff); /* Reserved */
868 if(track->tag == MKTAG('m','p','4','v'))
869 mov_write_esds_tag(pb, track);
870 else if(track->enc->codec_id == CODEC_ID_H263)
871 mov_write_d263_tag(pb);
872 else if(track->enc->codec_id == CODEC_ID_SVQ3)
873 mov_write_svq3_tag(pb);
874 else if(track->enc->codec_id == CODEC_ID_DNXHD)
875 mov_write_avid_tag(pb, track);
876 else if(track->enc->codec_id == CODEC_ID_H264) {
877 mov_write_avcc_tag(pb, track);
878 if(track->mode == MODE_IPOD)
879 mov_write_uuid_tag_ipod(pb);
880 } else if(track->vosLen > 0)
881 mov_write_glbl_tag(pb, track);
883 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
884 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
885 mov_write_pasp_tag(pb, track);
888 return updateSize(pb, pos);
891 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
893 int64_t pos = avio_tell(pb);
894 avio_wb32(pb, 0); /* size */
895 ffio_wfourcc(pb, "rtp ");
896 avio_wb32(pb, 0); /* Reserved */
897 avio_wb16(pb, 0); /* Reserved */
898 avio_wb16(pb, 1); /* Data-reference index */
900 avio_wb16(pb, 1); /* Hint track version */
901 avio_wb16(pb, 1); /* Highest compatible version */
902 avio_wb32(pb, track->max_packet_size); /* Max packet size */
904 avio_wb32(pb, 12); /* size */
905 ffio_wfourcc(pb, "tims");
906 avio_wb32(pb, track->timescale);
908 return updateSize(pb, pos);
911 static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
913 int64_t pos = avio_tell(pb);
914 avio_wb32(pb, 0); /* size */
915 ffio_wfourcc(pb, "stsd");
916 avio_wb32(pb, 0); /* version & flags */
917 avio_wb32(pb, 1); /* entry count */
918 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
919 mov_write_video_tag(pb, track);
920 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
921 mov_write_audio_tag(pb, track);
922 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
923 mov_write_subtitle_tag(pb, track);
924 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
925 mov_write_rtp_tag(pb, track);
926 return updateSize(pb, pos);
929 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
931 MOVStts *ctts_entries;
932 uint32_t entries = 0;
936 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
937 ctts_entries[0].count = 1;
938 ctts_entries[0].duration = track->cluster[0].cts;
939 for (i=1; i<track->entry; i++) {
940 if (track->cluster[i].cts == ctts_entries[entries].duration) {
941 ctts_entries[entries].count++; /* compress */
944 ctts_entries[entries].duration = track->cluster[i].cts;
945 ctts_entries[entries].count = 1;
948 entries++; /* last one */
949 atom_size = 16 + (entries * 8);
950 avio_wb32(pb, atom_size); /* size */
951 ffio_wfourcc(pb, "ctts");
952 avio_wb32(pb, 0); /* version & flags */
953 avio_wb32(pb, entries); /* entry count */
954 for (i=0; i<entries; i++) {
955 avio_wb32(pb, ctts_entries[i].count);
956 avio_wb32(pb, ctts_entries[i].duration);
958 av_free(ctts_entries);
962 /* Time to sample atom */
963 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
965 MOVStts *stts_entries;
966 uint32_t entries = -1;
970 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
971 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
972 stts_entries[0].count = track->sampleCount;
973 stts_entries[0].duration = 1;
976 stts_entries = av_malloc(track->entry * sizeof(*stts_entries)); /* worst case */
977 for (i=0; i<track->entry; i++) {
978 int64_t duration = i + 1 == track->entry ?
979 track->trackDuration - track->cluster[i].dts + track->cluster[0].dts : /* readjusting */
980 track->cluster[i+1].dts - track->cluster[i].dts;
981 if (i && duration == stts_entries[entries].duration) {
982 stts_entries[entries].count++; /* compress */
985 stts_entries[entries].duration = duration;
986 stts_entries[entries].count = 1;
989 entries++; /* last one */
991 atom_size = 16 + (entries * 8);
992 avio_wb32(pb, atom_size); /* size */
993 ffio_wfourcc(pb, "stts");
994 avio_wb32(pb, 0); /* version & flags */
995 avio_wb32(pb, entries); /* entry count */
996 for (i=0; i<entries; i++) {
997 avio_wb32(pb, stts_entries[i].count);
998 avio_wb32(pb, stts_entries[i].duration);
1000 av_free(stts_entries);
1004 static int mov_write_dref_tag(AVIOContext *pb)
1006 avio_wb32(pb, 28); /* size */
1007 ffio_wfourcc(pb, "dref");
1008 avio_wb32(pb, 0); /* version & flags */
1009 avio_wb32(pb, 1); /* entry count */
1011 avio_wb32(pb, 0xc); /* size */
1012 ffio_wfourcc(pb, "url ");
1013 avio_wb32(pb, 1); /* version & flags */
1018 static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
1020 int64_t pos = avio_tell(pb);
1021 avio_wb32(pb, 0); /* size */
1022 ffio_wfourcc(pb, "stbl");
1023 mov_write_stsd_tag(pb, track);
1024 mov_write_stts_tag(pb, track);
1025 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1026 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
1027 track->hasKeyframes && track->hasKeyframes < track->entry)
1028 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1029 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1030 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
1031 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1032 track->flags & MOV_TRACK_CTTS)
1033 mov_write_ctts_tag(pb, track);
1034 mov_write_stsc_tag(pb, track);
1035 mov_write_stsz_tag(pb, track);
1036 mov_write_stco_tag(pb, track);
1037 return updateSize(pb, pos);
1040 static int mov_write_dinf_tag(AVIOContext *pb)
1042 int64_t pos = avio_tell(pb);
1043 avio_wb32(pb, 0); /* size */
1044 ffio_wfourcc(pb, "dinf");
1045 mov_write_dref_tag(pb);
1046 return updateSize(pb, pos);
1049 static int mov_write_nmhd_tag(AVIOContext *pb)
1052 ffio_wfourcc(pb, "nmhd");
1057 static int mov_write_gmhd_tag(AVIOContext *pb)
1059 avio_wb32(pb, 0x20); /* size */
1060 ffio_wfourcc(pb, "gmhd");
1061 avio_wb32(pb, 0x18); /* gmin size */
1062 ffio_wfourcc(pb, "gmin");/* generic media info */
1063 avio_wb32(pb, 0); /* version & flags */
1064 avio_wb16(pb, 0x40); /* graphics mode = */
1065 avio_wb16(pb, 0x8000); /* opColor (r?) */
1066 avio_wb16(pb, 0x8000); /* opColor (g?) */
1067 avio_wb16(pb, 0x8000); /* opColor (b?) */
1068 avio_wb16(pb, 0); /* balance */
1069 avio_wb16(pb, 0); /* reserved */
1073 static int mov_write_smhd_tag(AVIOContext *pb)
1075 avio_wb32(pb, 16); /* size */
1076 ffio_wfourcc(pb, "smhd");
1077 avio_wb32(pb, 0); /* version & flags */
1078 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1079 avio_wb16(pb, 0); /* reserved */
1083 static int mov_write_vmhd_tag(AVIOContext *pb)
1085 avio_wb32(pb, 0x14); /* size (always 0x14) */
1086 ffio_wfourcc(pb, "vmhd");
1087 avio_wb32(pb, 0x01); /* version & flags */
1088 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
1092 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
1094 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1095 int64_t pos = avio_tell(pb);
1097 if (!track) { /* no media --> data handler */
1100 descr = "DataHandler";
1102 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1103 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1105 descr = "VideoHandler";
1106 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1108 descr = "SoundHandler";
1109 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1110 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
1111 else hdlr_type = "text";
1112 descr = "SubtitleHandler";
1113 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1115 descr = "HintHandler";
1119 avio_wb32(pb, 0); /* size */
1120 ffio_wfourcc(pb, "hdlr");
1121 avio_wb32(pb, 0); /* Version & flags */
1122 avio_write(pb, hdlr, 4); /* handler */
1123 ffio_wfourcc(pb, hdlr_type); /* handler type */
1124 avio_wb32(pb ,0); /* reserved */
1125 avio_wb32(pb ,0); /* reserved */
1126 avio_wb32(pb ,0); /* reserved */
1127 if (!track || track->mode == MODE_MOV)
1128 avio_w8(pb, strlen(descr)); /* pascal string */
1129 avio_write(pb, descr, strlen(descr)); /* handler description */
1130 if (track && track->mode != MODE_MOV)
1131 avio_w8(pb, 0); /* c string */
1132 return updateSize(pb, pos);
1135 static int mov_write_hmhd_tag(AVIOContext *pb)
1137 /* This atom must be present, but leaving the values at zero
1138 * seems harmless. */
1139 avio_wb32(pb, 28); /* size */
1140 ffio_wfourcc(pb, "hmhd");
1141 avio_wb32(pb, 0); /* version, flags */
1142 avio_wb16(pb, 0); /* maxPDUsize */
1143 avio_wb16(pb, 0); /* avgPDUsize */
1144 avio_wb32(pb, 0); /* maxbitrate */
1145 avio_wb32(pb, 0); /* avgbitrate */
1146 avio_wb32(pb, 0); /* reserved */
1150 static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
1152 int64_t pos = avio_tell(pb);
1153 avio_wb32(pb, 0); /* size */
1154 ffio_wfourcc(pb, "minf");
1155 if(track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1156 mov_write_vmhd_tag(pb);
1157 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1158 mov_write_smhd_tag(pb);
1159 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1160 if (track->tag == MKTAG('t','e','x','t')) mov_write_gmhd_tag(pb);
1161 else mov_write_nmhd_tag(pb);
1162 } else if (track->tag == MKTAG('r','t','p',' ')) {
1163 mov_write_hmhd_tag(pb);
1165 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1166 mov_write_hdlr_tag(pb, NULL);
1167 mov_write_dinf_tag(pb);
1168 mov_write_stbl_tag(pb, track);
1169 return updateSize(pb, pos);
1172 static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track)
1174 int version = track->trackDuration < INT32_MAX ? 0 : 1;
1176 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
1177 ffio_wfourcc(pb, "mdhd");
1178 avio_w8(pb, version);
1179 avio_wb24(pb, 0); /* flags */
1181 avio_wb64(pb, track->time);
1182 avio_wb64(pb, track->time);
1184 avio_wb32(pb, track->time); /* creation time */
1185 avio_wb32(pb, track->time); /* modification time */
1187 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
1188 (version == 1) ? avio_wb64(pb, track->trackDuration) : avio_wb32(pb, track->trackDuration); /* duration */
1189 avio_wb16(pb, track->language); /* language */
1190 avio_wb16(pb, 0); /* reserved (quality) */
1192 if(version!=0 && track->mode == MODE_MOV){
1193 av_log(NULL, AV_LOG_ERROR,
1194 "FATAL error, file duration too long for timebase, this file will not be\n"
1195 "playable with quicktime. Choose a different timebase or a different\n"
1196 "container format\n");
1202 static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track)
1204 int64_t pos = avio_tell(pb);
1205 avio_wb32(pb, 0); /* size */
1206 ffio_wfourcc(pb, "mdia");
1207 mov_write_mdhd_tag(pb, track);
1208 mov_write_hdlr_tag(pb, track);
1209 mov_write_minf_tag(pb, track);
1210 return updateSize(pb, pos);
1213 static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1215 int64_t duration = av_rescale_rnd(track->trackDuration, MOV_TIMESCALE,
1216 track->timescale, AV_ROUND_UP);
1217 int version = duration < INT32_MAX ? 0 : 1;
1219 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
1220 ffio_wfourcc(pb, "tkhd");
1221 avio_w8(pb, version);
1222 avio_wb24(pb, 0xf); /* flags (track enabled) */
1224 avio_wb64(pb, track->time);
1225 avio_wb64(pb, track->time);
1227 avio_wb32(pb, track->time); /* creation time */
1228 avio_wb32(pb, track->time); /* modification time */
1230 avio_wb32(pb, track->trackID); /* track-id */
1231 avio_wb32(pb, 0); /* reserved */
1232 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
1234 avio_wb32(pb, 0); /* reserved */
1235 avio_wb32(pb, 0); /* reserved */
1236 avio_wb16(pb, 0); /* layer */
1237 avio_wb16(pb, st ? st->codec->codec_type : 0); /* alternate group) */
1238 /* Volume, only for audio */
1239 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1240 avio_wb16(pb, 0x0100);
1243 avio_wb16(pb, 0); /* reserved */
1245 /* Matrix structure */
1246 avio_wb32(pb, 0x00010000); /* reserved */
1247 avio_wb32(pb, 0x0); /* reserved */
1248 avio_wb32(pb, 0x0); /* reserved */
1249 avio_wb32(pb, 0x0); /* reserved */
1250 avio_wb32(pb, 0x00010000); /* reserved */
1251 avio_wb32(pb, 0x0); /* reserved */
1252 avio_wb32(pb, 0x0); /* reserved */
1253 avio_wb32(pb, 0x0); /* reserved */
1254 avio_wb32(pb, 0x40000000); /* reserved */
1256 /* Track width and height, for visual only */
1257 if(st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1258 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
1259 if(track->mode == MODE_MOV) {
1260 avio_wb32(pb, track->enc->width << 16);
1261 avio_wb32(pb, track->height << 16);
1263 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1264 if(!sample_aspect_ratio || track->height != track->enc->height)
1265 sample_aspect_ratio = 1;
1266 avio_wb32(pb, sample_aspect_ratio * track->enc->width*0x10000);
1267 avio_wb32(pb, track->height*0x10000);
1277 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
1279 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
1280 track->enc->sample_aspect_ratio.den);
1282 int64_t pos = avio_tell(pb);
1284 avio_wb32(pb, 0); /* size */
1285 ffio_wfourcc(pb, "tapt");
1288 ffio_wfourcc(pb, "clef");
1290 avio_wb32(pb, width << 16);
1291 avio_wb32(pb, track->enc->height << 16);
1294 ffio_wfourcc(pb, "enof");
1296 avio_wb32(pb, track->enc->width << 16);
1297 avio_wb32(pb, track->enc->height << 16);
1299 return updateSize(pb, pos);
1302 // This box seems important for the psp playback ... without it the movie seems to hang
1303 static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track)
1305 int64_t duration = av_rescale_rnd(track->trackDuration, MOV_TIMESCALE,
1306 track->timescale, AV_ROUND_UP);
1307 int version = duration < INT32_MAX ? 0 : 1;
1308 int entry_size, entry_count, size;
1309 int64_t delay, start_ct = track->cluster[0].cts;
1310 delay = av_rescale_rnd(track->cluster[0].dts + start_ct, MOV_TIMESCALE,
1311 track->timescale, AV_ROUND_DOWN);
1312 version |= delay < INT32_MAX ? 0 : 1;
1314 entry_size = (version == 1) ? 20 : 12;
1315 entry_count = 1 + (delay > 0);
1316 size = 24 + entry_count * entry_size;
1318 /* write the atom data */
1319 avio_wb32(pb, size);
1320 ffio_wfourcc(pb, "edts");
1321 avio_wb32(pb, size - 8);
1322 ffio_wfourcc(pb, "elst");
1323 avio_w8(pb, version);
1324 avio_wb24(pb, 0); /* flags */
1326 avio_wb32(pb, entry_count);
1327 if (delay > 0) { /* add an empty edit to delay presentation */
1329 avio_wb64(pb, delay);
1332 avio_wb32(pb, delay);
1335 avio_wb32(pb, 0x00010000);
1340 avio_wb64(pb, duration);
1341 avio_wb64(pb, start_ct);
1343 avio_wb32(pb, duration);
1344 avio_wb32(pb, start_ct);
1346 avio_wb32(pb, 0x00010000);
1350 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
1352 avio_wb32(pb, 20); // size
1353 ffio_wfourcc(pb, "tref");
1354 avio_wb32(pb, 12); // size (subatom)
1355 avio_wl32(pb, track->tref_tag);
1356 avio_wb32(pb, track->tref_id);
1360 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1361 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
1363 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1364 ffio_wfourcc(pb, "uuid");
1365 ffio_wfourcc(pb, "USMT");
1366 avio_wb32(pb, 0x21d24fce);
1367 avio_wb32(pb, 0xbb88695c);
1368 avio_wb32(pb, 0xfac9c740);
1369 avio_wb32(pb, 0x1c); // another size here!
1370 ffio_wfourcc(pb, "MTDT");
1371 avio_wb32(pb, 0x00010012);
1372 avio_wb32(pb, 0x0a);
1373 avio_wb32(pb, 0x55c40000);
1379 static int mov_write_udta_sdp(AVIOContext *pb, AVFormatContext *ctx, int index)
1381 char buf[1000] = "";
1384 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0]->codec, NULL, NULL, 0, 0, ctx);
1385 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", index);
1388 avio_wb32(pb, len + 24);
1389 ffio_wfourcc(pb, "udta");
1390 avio_wb32(pb, len + 16);
1391 ffio_wfourcc(pb, "hnti");
1392 avio_wb32(pb, len + 8);
1393 ffio_wfourcc(pb, "sdp ");
1394 avio_write(pb, buf, len);
1398 static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track, AVStream *st)
1400 int64_t pos = avio_tell(pb);
1401 avio_wb32(pb, 0); /* size */
1402 ffio_wfourcc(pb, "trak");
1403 mov_write_tkhd_tag(pb, track, st);
1404 if(!mov->fragments) // EDTS with fragments is tricky as we dont know the duration when its written
1405 mov_write_edts_tag(pb, track); // PSP Movies and several other cases require edts box
1406 if (track->tref_tag)
1407 mov_write_tref_tag(pb, track);
1408 mov_write_mdia_tag(pb, track);
1409 if (track->mode == MODE_PSP)
1410 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
1411 if (track->tag == MKTAG('r','t','p',' '))
1412 mov_write_udta_sdp(pb, track->rtp_ctx, track->trackID);
1413 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && track->mode == MODE_MOV) {
1414 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1415 if (0.0 != sample_aspect_ratio && 1.0 != sample_aspect_ratio)
1416 mov_write_tapt_tag(pb, track);
1418 return updateSize(pb, pos);
1421 static int mov_write_tfhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1423 int64_t pos = avio_tell(pb);
1427 ffio_wfourcc(pb, "tfhd");
1429 avio_wb24(pb, flags);
1430 avio_wb32(pb, track->trackID);
1432 track->base_data_offset_pos= avio_tell(pb);
1433 if (flags & 0x01) avio_wb64(pb, 0);
1435 return updateSize(pb, pos);
1438 static int mov_write_trun_tag(AVIOContext *pb, MOVTrack *track)
1440 int64_t pos = avio_tell(pb);
1441 int sample_count= track->entry - track->cluster_write_index;
1445 tr_flags |= 0xF00; //FIXME
1448 ffio_wfourcc(pb, "trun");
1450 avio_wb24(pb, tr_flags);
1451 avio_wb32(pb, sample_count);
1452 if(tr_flags&1) avio_wb32(pb, 0);
1454 for(i=track->cluster_write_index; i<track->entry; i++){
1455 int64_t duration = i + 1 == track->entry ?
1456 track->trackDuration - track->cluster[i].dts + track->cluster[0].dts : /* readjusting */
1457 track->cluster[i+1].dts - track->cluster[i].dts;
1459 if(tr_flags&0x100) avio_wb32(pb, duration);
1460 if(tr_flags&0x200) avio_wb32(pb, track->cluster[i].size);
1461 if(tr_flags&0x400) avio_wb32(pb, (track->cluster[i].flags&MOV_SYNC_SAMPLE) ? 0x02000000 : 0x01010000);
1462 if(tr_flags&0x800) avio_wb32(pb, track->cluster[i].cts);
1465 return updateSize(pb, pos);
1468 static int mov_write_traf_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1470 int64_t pos = avio_tell(pb);
1471 avio_wb32(pb, 0); /* size */
1472 ffio_wfourcc(pb, "traf");
1473 mov_write_tfhd_tag(pb, track, st);
1474 mov_write_trun_tag(pb, track);
1475 return updateSize(pb, pos);
1479 /* TODO: Not sorted out, but not necessary either */
1480 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
1482 avio_wb32(pb, 0x15); /* size */
1483 ffio_wfourcc(pb, "iods");
1484 avio_wb32(pb, 0); /* version & flags */
1485 avio_wb16(pb, 0x1007);
1487 avio_wb16(pb, 0x4fff);
1488 avio_wb16(pb, 0xfffe);
1489 avio_wb16(pb, 0x01ff);
1494 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
1496 int maxTrackID = 1, i;
1497 int64_t maxTrackLenTemp, maxTrackLen = 0;
1500 for (i=0; i<mov->nb_streams; i++) {
1501 if(mov->tracks[i].entry > 0) {
1502 maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration,
1504 mov->tracks[i].timescale,
1506 if(maxTrackLen < maxTrackLenTemp)
1507 maxTrackLen = maxTrackLenTemp;
1508 if(maxTrackID < mov->tracks[i].trackID)
1509 maxTrackID = mov->tracks[i].trackID;
1513 version = maxTrackLen < UINT32_MAX ? 0 : 1;
1514 (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
1515 ffio_wfourcc(pb, "mvhd");
1516 avio_w8(pb, version);
1517 avio_wb24(pb, 0); /* flags */
1519 avio_wb64(pb, mov->time);
1520 avio_wb64(pb, mov->time);
1522 avio_wb32(pb, mov->time); /* creation time */
1523 avio_wb32(pb, mov->time); /* modification time */
1525 avio_wb32(pb, MOV_TIMESCALE);
1526 (version == 1) ? avio_wb64(pb, maxTrackLen) : avio_wb32(pb, maxTrackLen); /* duration of longest track */
1528 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1529 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1530 avio_wb16(pb, 0); /* reserved */
1531 avio_wb32(pb, 0); /* reserved */
1532 avio_wb32(pb, 0); /* reserved */
1534 /* Matrix structure */
1535 avio_wb32(pb, 0x00010000); /* reserved */
1536 avio_wb32(pb, 0x0); /* reserved */
1537 avio_wb32(pb, 0x0); /* reserved */
1538 avio_wb32(pb, 0x0); /* reserved */
1539 avio_wb32(pb, 0x00010000); /* reserved */
1540 avio_wb32(pb, 0x0); /* reserved */
1541 avio_wb32(pb, 0x0); /* reserved */
1542 avio_wb32(pb, 0x0); /* reserved */
1543 avio_wb32(pb, 0x40000000); /* reserved */
1545 avio_wb32(pb, 0); /* reserved (preview time) */
1546 avio_wb32(pb, 0); /* reserved (preview duration) */
1547 avio_wb32(pb, 0); /* reserved (poster time) */
1548 avio_wb32(pb, 0); /* reserved (selection time) */
1549 avio_wb32(pb, 0); /* reserved (selection duration) */
1550 avio_wb32(pb, 0); /* reserved (current time) */
1551 avio_wb32(pb, maxTrackID+1); /* Next track id */
1555 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
1558 avio_wb32(pb, 33); /* size */
1559 ffio_wfourcc(pb, "hdlr");
1562 ffio_wfourcc(pb, "mdir");
1563 ffio_wfourcc(pb, "appl");
1570 /* helper function to write a data tag with the specified string as data */
1571 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
1574 int size = 16 + strlen(data);
1575 avio_wb32(pb, size); /* size */
1576 ffio_wfourcc(pb, "data");
1579 avio_write(pb, data, strlen(data));
1583 lang = ff_mov_iso639_to_lang("und", 1);
1584 avio_wb16(pb, strlen(data)); /* string length */
1585 avio_wb16(pb, lang);
1586 avio_write(pb, data, strlen(data));
1587 return strlen(data) + 4;
1591 static int mov_write_string_tag(AVIOContext *pb, const char *name, const char *value, int lang, int long_style){
1593 if (value && value[0]) {
1594 int64_t pos = avio_tell(pb);
1595 avio_wb32(pb, 0); /* size */
1596 ffio_wfourcc(pb, name);
1597 mov_write_string_data_tag(pb, value, lang, long_style);
1598 size= updateSize(pb, pos);
1603 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
1604 const char *name, const char *tag,
1607 int l, lang = 0, len, len2;
1608 AVDictionaryEntry *t, *t2 = NULL;
1611 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
1614 len = strlen(t->key);
1615 snprintf(tag2, sizeof(tag2), "%s-", tag);
1616 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
1617 len2 = strlen(t2->key);
1618 if (len2 == len+4 && !strcmp(t->value, t2->value)
1619 && (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 1)) >= 0) {
1624 return mov_write_string_tag(pb, name, t->value, lang, long_style);
1627 /* iTunes track number */
1628 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
1631 AVDictionaryEntry *t = av_dict_get(s->metadata, "track", NULL, 0);
1632 int size = 0, track = t ? atoi(t->value) : 0;
1634 avio_wb32(pb, 32); /* size */
1635 ffio_wfourcc(pb, "trkn");
1636 avio_wb32(pb, 24); /* size */
1637 ffio_wfourcc(pb, "data");
1638 avio_wb32(pb, 0); // 8 bytes empty
1640 avio_wb16(pb, 0); // empty
1641 avio_wb16(pb, track); // track number
1642 avio_wb16(pb, 0); // total track number
1643 avio_wb16(pb, 0); // empty
1649 /* iTunes meta data list */
1650 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
1653 int64_t pos = avio_tell(pb);
1654 avio_wb32(pb, 0); /* size */
1655 ffio_wfourcc(pb, "ilst");
1656 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
1657 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
1658 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
1659 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
1660 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
1661 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
1662 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
1663 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
1664 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
1665 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
1666 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
1667 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
1668 mov_write_string_metadata(s, pb, "desc", "description",1);
1669 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
1670 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
1671 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
1672 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
1673 mov_write_trkn_tag(pb, mov, s);
1674 return updateSize(pb, pos);
1677 /* iTunes meta data tag */
1678 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
1682 int64_t pos = avio_tell(pb);
1683 avio_wb32(pb, 0); /* size */
1684 ffio_wfourcc(pb, "meta");
1686 mov_write_itunes_hdlr_tag(pb, mov, s);
1687 mov_write_ilst_tag(pb, mov, s);
1688 size = updateSize(pb, pos);
1692 static int utf8len(const uint8_t *b)
1697 GET_UTF8(val, *b++, return -1;)
1703 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
1707 GET_UTF8(val, *b++, return -1;)
1710 avio_wb16(pb, 0x00);
1714 static uint16_t language_code(const char *str)
1716 return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
1719 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
1720 const char *tag, const char *str)
1722 int64_t pos = avio_tell(pb);
1723 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
1724 if (!t || !utf8len(t->value))
1726 avio_wb32(pb, 0); /* size */
1727 ffio_wfourcc(pb, tag); /* type */
1728 avio_wb32(pb, 0); /* version + flags */
1729 if (!strcmp(tag, "yrrc"))
1730 avio_wb16(pb, atoi(t->value));
1732 avio_wb16(pb, language_code("eng")); /* language */
1733 avio_write(pb, t->value, strlen(t->value)+1); /* UTF8 string value */
1734 if (!strcmp(tag, "albm") &&
1735 (t = av_dict_get(s->metadata, "track", NULL, 0)))
1736 avio_w8(pb, atoi(t->value));
1738 return updateSize(pb, pos);
1741 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
1743 int64_t pos = avio_tell(pb);
1744 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
1746 avio_wb32(pb, 0); // size
1747 ffio_wfourcc(pb, "chpl");
1748 avio_wb32(pb, 0x01000000); // version + flags
1749 avio_wb32(pb, 0); // unknown
1750 avio_w8(pb, nb_chapters);
1752 for (i = 0; i < nb_chapters; i++) {
1753 AVChapter *c = s->chapters[i];
1754 AVDictionaryEntry *t;
1755 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
1757 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
1758 int len = FFMIN(strlen(t->value), 255);
1760 avio_write(pb, t->value, len);
1764 return updateSize(pb, pos);
1767 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
1770 AVIOContext *pb_buf;
1774 for (i = 0; i < s->nb_streams; i++)
1775 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
1779 ret = avio_open_dyn_buf(&pb_buf);
1783 if (mov->mode & MODE_3GP) {
1784 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
1785 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
1786 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
1787 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
1788 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
1789 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
1790 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
1791 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
1792 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
1793 mov_write_string_metadata(s, pb_buf, "\251ART", "artist" , 0);
1794 mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0);
1795 mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0);
1796 mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0);
1797 mov_write_string_metadata(s, pb_buf, "\251day", "date" , 0);
1798 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder" , 0);
1799 mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0);
1800 mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0);
1801 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0);
1803 /* iTunes meta data */
1804 mov_write_meta_tag(pb_buf, mov, s);
1808 mov_write_chpl_tag(pb_buf, s);
1810 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
1811 avio_wb32(pb, size+8);
1812 ffio_wfourcc(pb, "udta");
1813 avio_write(pb, buf, size);
1820 static void mov_write_psp_udta_tag(AVIOContext *pb,
1821 const char *str, const char *lang, int type)
1823 int len = utf8len(str)+1;
1826 avio_wb16(pb, len*2+10); /* size */
1827 avio_wb32(pb, type); /* type */
1828 avio_wb16(pb, language_code(lang)); /* language */
1829 avio_wb16(pb, 0x01); /* ? */
1830 ascii_to_wc(pb, str);
1833 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
1835 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
1839 pos = avio_tell(pb);
1840 avio_wb32(pb, 0); /* size placeholder*/
1841 ffio_wfourcc(pb, "uuid");
1842 ffio_wfourcc(pb, "USMT");
1843 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
1844 avio_wb32(pb, 0xbb88695c);
1845 avio_wb32(pb, 0xfac9c740);
1847 pos2 = avio_tell(pb);
1848 avio_wb32(pb, 0); /* size placeholder*/
1849 ffio_wfourcc(pb, "MTDT");
1853 avio_wb16(pb, 0x0C); /* size */
1854 avio_wb32(pb, 0x0B); /* type */
1855 avio_wb16(pb, language_code("und")); /* language */
1856 avio_wb16(pb, 0x0); /* ? */
1857 avio_wb16(pb, 0x021C); /* data */
1859 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
1860 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
1861 // 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);
1862 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
1864 updateSize(pb, pos2);
1865 return updateSize(pb, pos);
1871 static void build_chunks(MOVTrack *trk)
1874 MOVIentry *chunk= &trk->cluster[0];
1875 uint64_t chunkSize = chunk->size;
1878 for(i=1; i<trk->entry; i++){
1879 if(chunk->pos + chunkSize == trk->cluster[i].pos){
1880 chunkSize += trk->cluster[i].size;
1881 chunk->samplesInChunk += trk->cluster[i].entries;
1883 trk->cluster[i].chunkNum = chunk->chunkNum+1;
1884 chunk=&trk->cluster[i];
1885 chunkSize = chunk->size;
1891 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1893 int64_t pos = avio_tell(pb);
1894 avio_wb32(pb, 0); /* size */
1895 ffio_wfourcc(pb, "trex");
1899 avio_wb32(pb, track->trackID);
1900 avio_wb32(pb, 1); // stsd_id
1901 avio_wb32(pb, 1); // duration
1902 avio_wb32(pb, 1/*Size*/);
1903 avio_wb32(pb, 1<<16);
1904 return updateSize(pb, pos);
1907 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov,
1911 int64_t pos = avio_tell(pb);
1912 avio_wb32(pb, 0); /* size placeholder*/
1913 ffio_wfourcc(pb, "mvex");
1915 for (i=0; i<mov->nb_streams; i++) {
1916 if(mov->tracks[i].entry > 0) {
1917 mov_write_trex_tag(pb, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
1921 return updateSize(pb, pos);
1924 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
1928 int64_t pos = avio_tell(pb);
1929 avio_wb32(pb, 0); /* size placeholder*/
1930 ffio_wfourcc(pb, "moov");
1932 for (i=0; i<mov->nb_streams; i++) {
1933 if(mov->tracks[i].entry <= 0) continue;
1935 mov->tracks[i].time = mov->time;
1936 mov->tracks[i].trackID = i+1;
1938 build_chunks(&mov->tracks[i]);
1941 if (mov->chapter_track)
1942 for (i=0; i<s->nb_streams; i++) {
1943 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
1944 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].trackID;
1946 for (i = 0; i < mov->nb_streams; i++) {
1947 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
1948 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
1949 mov->tracks[i].tref_id =
1950 mov->tracks[mov->tracks[i].src_track].trackID;
1954 mov_write_mvhd_tag(pb, mov);
1955 //mov_write_iods_tag(pb, mov);
1956 for (i=0; i<mov->nb_streams; i++) {
1957 if(mov->tracks[i].entry > 0) {
1958 mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
1963 mov_write_mvex_tag(pb, mov, s);
1965 if (mov->mode == MODE_PSP)
1966 mov_write_uuidusmt_tag(pb, s);
1968 mov_write_udta_tag(pb, mov, s);
1970 return updateSize(pb, pos);
1973 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
1976 int64_t pos = avio_tell(pb);
1977 avio_wb32(pb, 0); /* size placeholder*/
1978 ffio_wfourcc(pb, "mfhd");
1980 avio_wb32(pb, mov->frag_seq_num++);
1982 return updateSize(pb, pos); //FIXME replace by hardcoded num also above
1985 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov,
1989 int64_t pos = avio_tell(pb);
1990 avio_wb32(pb, 0); /* size placeholder*/
1991 ffio_wfourcc(pb, "moof");
1993 mov_write_mfhd_tag(pb, mov);
1994 for (i=0; i<mov->nb_streams; i++) {
1995 if(mov->tracks[i].entry > 0) {
1996 mov_write_traf_tag(pb, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
2000 return updateSize(pb, pos);
2003 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
2005 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
2006 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
2008 mov->mdat_pos = avio_tell(pb);
2009 avio_wb32(pb, 0); /* size placeholder*/
2010 ffio_wfourcc(pb, "mdat");
2014 /* TODO: This needs to be more general */
2015 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
2017 MOVMuxContext *mov = s->priv_data;
2018 int64_t pos = avio_tell(pb);
2019 int has_h264 = 0, has_video = 0;
2023 for (i = 0; i < s->nb_streams; i++) {
2024 AVStream *st = s->streams[i];
2025 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2027 if (st->codec->codec_id == CODEC_ID_H264)
2031 avio_wb32(pb, 0); /* size */
2032 ffio_wfourcc(pb, "ftyp");
2034 if (mov->mode == MODE_3GP) {
2035 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
2036 minor = has_h264 ? 0x100 : 0x200;
2037 } else if (mov->mode & MODE_3G2) {
2038 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
2039 minor = has_h264 ? 0x20000 : 0x10000;
2040 }else if (mov->mode == MODE_PSP)
2041 ffio_wfourcc(pb, "MSNV");
2042 else if (mov->mode == MODE_MP4)
2043 ffio_wfourcc(pb, "isom");
2044 else if (mov->mode == MODE_IPOD)
2045 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
2047 ffio_wfourcc(pb, "qt ");
2049 avio_wb32(pb, minor);
2051 if(mov->mode == MODE_MOV)
2052 ffio_wfourcc(pb, "qt ");
2054 ffio_wfourcc(pb, "isom");
2055 ffio_wfourcc(pb, "iso2");
2057 ffio_wfourcc(pb, "avc1");
2060 if (mov->mode == MODE_3GP)
2061 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
2062 else if (mov->mode & MODE_3G2)
2063 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
2064 else if (mov->mode == MODE_PSP)
2065 ffio_wfourcc(pb, "MSNV");
2066 else if (mov->mode == MODE_MP4)
2067 ffio_wfourcc(pb, "mp41");
2068 return updateSize(pb, pos);
2071 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
2073 AVCodecContext *VideoCodec = s->streams[0]->codec;
2074 AVCodecContext *AudioCodec = s->streams[1]->codec;
2075 int AudioRate = AudioCodec->sample_rate;
2076 int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num);
2077 int audio_kbitrate= AudioCodec->bit_rate / 1000;
2078 int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate);
2080 avio_wb32(pb, 0x94); /* size */
2081 ffio_wfourcc(pb, "uuid");
2082 ffio_wfourcc(pb, "PROF");
2084 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2085 avio_wb32(pb, 0xbb88695c);
2086 avio_wb32(pb, 0xfac9c740);
2088 avio_wb32(pb, 0x0); /* ? */
2089 avio_wb32(pb, 0x3); /* 3 sections ? */
2091 avio_wb32(pb, 0x14); /* size */
2092 ffio_wfourcc(pb, "FPRF");
2093 avio_wb32(pb, 0x0); /* ? */
2094 avio_wb32(pb, 0x0); /* ? */
2095 avio_wb32(pb, 0x0); /* ? */
2097 avio_wb32(pb, 0x2c); /* size */
2098 ffio_wfourcc(pb, "APRF");/* audio */
2100 avio_wb32(pb, 0x2); /* TrackID */
2101 ffio_wfourcc(pb, "mp4a");
2102 avio_wb32(pb, 0x20f);
2104 avio_wb32(pb, audio_kbitrate);
2105 avio_wb32(pb, audio_kbitrate);
2106 avio_wb32(pb, AudioRate);
2107 avio_wb32(pb, AudioCodec->channels);
2109 avio_wb32(pb, 0x34); /* size */
2110 ffio_wfourcc(pb, "VPRF"); /* video */
2112 avio_wb32(pb, 0x1); /* TrackID */
2113 if (VideoCodec->codec_id == CODEC_ID_H264) {
2114 ffio_wfourcc(pb, "avc1");
2115 avio_wb16(pb, 0x014D);
2116 avio_wb16(pb, 0x0015);
2118 ffio_wfourcc(pb, "mp4v");
2119 avio_wb16(pb, 0x0000);
2120 avio_wb16(pb, 0x0103);
2123 avio_wb32(pb, video_kbitrate);
2124 avio_wb32(pb, video_kbitrate);
2125 avio_wb32(pb, FrameRate);
2126 avio_wb32(pb, FrameRate);
2127 avio_wb16(pb, VideoCodec->width);
2128 avio_wb16(pb, VideoCodec->height);
2129 avio_wb32(pb, 0x010001); /* ? */
2132 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
2135 int i, closed_gop = 0;
2137 for (i = 0; i < pkt->size - 4; i++) {
2138 c = (c<<8) + pkt->data[i];
2139 if (c == 0x1b8) { // gop
2140 closed_gop = pkt->data[i+4]>>6 & 0x01;
2141 } else if (c == 0x100) { // pic
2142 int temp_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
2143 if (!temp_ref || closed_gop) // I picture is not reordered
2144 *flags = MOV_SYNC_SAMPLE;
2146 *flags = MOV_PARTIAL_SYNC_SAMPLE;
2153 static int flush_cluster_buffer(AVFormatContext *s){
2154 MOVMuxContext *mov = s->priv_data;
2158 for (i=0; i<mov->nb_streams; i++){
2159 MOVTrack *track= &mov->tracks[i];
2160 if(track->entry != track->cluster_write_index)
2164 if(mov->frag_seq_num==0){
2165 update_first_fragment(s);
2166 mov->frag_seq_num++;
2167 }else if(has_data) {
2168 mov_write_moof_tag(s->pb, mov, s);
2169 mov_write_mdat_tag(s->pb, mov);
2170 for (i=0; i<mov->nb_streams; i++){
2171 MOVTrack *track= &mov->tracks[i];
2172 if(track->entry > 0) {
2173 int64_t pos= avio_tell(s->pb);
2174 avio_seek(s->pb, track->base_data_offset_pos, SEEK_SET);
2175 avio_wb64(s->pb, pos);
2176 avio_seek(s->pb, pos, SEEK_SET);
2177 for(j=track->cluster_write_index; j<track->entry; j++){
2178 avio_write(s->pb, track->cluster[j].data, track->cluster[j].size);
2179 av_freep(&track->cluster[j].data);
2183 updateSize(s->pb, mov->mdat_pos);
2186 for (i=0; i<mov->nb_streams; i++) {
2187 MOVTrack *track= &mov->tracks[i];
2188 track->cluster_write_index= track->entry;
2195 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
2197 MOVMuxContext *mov = s->priv_data;
2198 AVIOContext *pb = s->pb;
2199 MOVTrack *trk = &mov->tracks[pkt->stream_index];
2200 AVStream *st = s->streams[pkt->stream_index];
2201 AVCodecContext *enc = trk->enc;
2202 unsigned int samplesInChunk = 0;
2203 int size= pkt->size;
2205 if (!s->pb->seekable) return 0; /* Can't handle that */
2206 if (!size) return 0; /* Discard 0 sized packets */
2208 if (mov->fragments && trk->entry > trk->cluster_write_index &&
2209 ( mov->max_fragment_duration && av_rescale_q(pkt->dts - trk->cluster[ trk->cluster_write_index ].dts, st->time_base, AV_TIME_BASE_Q) >= mov->max_fragment_duration
2210 || mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size)
2212 flush_cluster_buffer(s);
2215 if (enc->codec_id == CODEC_ID_AMR_NB) {
2216 /* We must find out how many AMR blocks there are in one packet */
2217 static uint16_t packed_size[16] =
2218 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
2221 while (len < size && samplesInChunk < 100) {
2222 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
2225 if(samplesInChunk > 1){
2226 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
2229 } else if (enc->codec_id == CODEC_ID_ADPCM_MS ||
2230 enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
2231 samplesInChunk = enc->frame_size;
2232 } else if (trk->sampleSize)
2233 samplesInChunk = size/trk->sampleSize;
2237 /* copy extradata if it exists */
2238 if (trk->vosLen == 0 && enc->extradata_size > 0) {
2239 trk->vosLen = enc->extradata_size;
2240 trk->vosData = av_malloc(trk->vosLen);
2241 memcpy(trk->vosData, enc->extradata, trk->vosLen);
2244 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
2245 trk->cluster = av_realloc_f(trk->cluster, sizeof(*trk->cluster), (trk->entry + MOV_INDEX_CLUSTER_SIZE));
2250 if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) {
2251 /* from x264 or from bytestream h264 */
2252 /* nal reformating needed */
2253 if(mov->frag_seq_num>0){
2256 if(ff_avc_parse_nal_units_buf(pkt->data, &buf, &size) < 0){
2257 av_log(s, AV_LOG_ERROR, "malformated H264 bitstream\n");
2260 trk->cluster[trk->entry].data= buf;
2262 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
2263 } else if (enc->codec_id == CODEC_ID_AAC && pkt->size > 2 &&
2264 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
2265 av_log(s, AV_LOG_ERROR, "malformated aac bitstream, use -absf aac_adtstoasc\n");
2267 } else if (mov->frag_seq_num>0){
2268 trk->cluster[trk->entry].data = av_malloc(size);
2269 if (!trk->cluster[trk->entry].data)
2270 return AVERROR(ENOMEM);
2271 memcpy(trk->cluster[trk->entry].data, pkt->data, size);
2273 avio_write(pb, pkt->data, size);
2276 if ((enc->codec_id == CODEC_ID_DNXHD ||
2277 enc->codec_id == CODEC_ID_AC3) && !trk->vosLen) {
2278 /* copy frame to create needed atoms */
2280 trk->vosData = av_malloc(size);
2282 return AVERROR(ENOMEM);
2283 memcpy(trk->vosData, pkt->data, size);
2286 trk->cluster[trk->entry].pos = avio_tell(pb) - (mov->frag_seq_num==0 ? size : 0);
2287 trk->cluster[trk->entry].samplesInChunk = samplesInChunk;
2288 trk->cluster[trk->entry].chunkNum = 0;
2289 trk->cluster[trk->entry].size = size;
2290 trk->cluster[trk->entry].entries = samplesInChunk;
2291 trk->cluster[trk->entry].dts = pkt->dts;
2292 trk->trackDuration = pkt->dts - trk->cluster[0].dts + pkt->duration;
2294 if (pkt->pts == AV_NOPTS_VALUE) {
2295 av_log(s, AV_LOG_WARNING, "pts has no value\n");
2296 pkt->pts = pkt->dts;
2298 if (pkt->dts != pkt->pts)
2299 trk->flags |= MOV_TRACK_CTTS;
2300 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
2301 trk->cluster[trk->entry].flags = 0;
2302 if (pkt->flags & AV_PKT_FLAG_KEY) {
2303 if (mov->mode == MODE_MOV && enc->codec_id == CODEC_ID_MPEG2VIDEO &&
2304 trk->entry > 0) { // force sync sample for the first key frame
2305 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
2306 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
2307 trk->flags |= MOV_TRACK_STPS;
2309 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
2311 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
2312 trk->hasKeyframes++;
2315 trk->sampleCount += samplesInChunk;
2316 mov->mdat_size += size;
2320 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
2321 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry);
2325 // QuickTime chapters involve an additional text track with the chapter names
2326 // as samples, and a tref pointing from the other tracks to the chapter one.
2327 static void mov_create_chapter_track(AVFormatContext *s, int tracknum)
2329 MOVMuxContext *mov = s->priv_data;
2330 MOVTrack *track = &mov->tracks[tracknum];
2331 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
2334 track->mode = mov->mode;
2335 track->tag = MKTAG('t','e','x','t');
2336 track->timescale = MOV_TIMESCALE;
2337 track->enc = avcodec_alloc_context3(NULL);
2338 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
2340 for (i = 0; i < s->nb_chapters; i++) {
2341 AVChapter *c = s->chapters[i];
2342 AVDictionaryEntry *t;
2344 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
2345 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
2346 pkt.duration = end - pkt.dts;
2348 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
2349 len = strlen(t->value);
2351 pkt.data = av_malloc(pkt.size);
2352 AV_WB16(pkt.data, len);
2353 memcpy(pkt.data+2, t->value, len);
2354 ff_mov_write_packet(s, &pkt);
2355 av_freep(&pkt.data);
2360 static int mov_write_header(AVFormatContext *s)
2362 AVIOContext *pb = s->pb;
2363 MOVMuxContext *mov = s->priv_data;
2364 AVDictionaryEntry *t;
2365 int i, hint_track = 0;
2367 if (!s->pb->seekable) {
2368 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
2372 /* Default mode == MP4 */
2373 mov->mode = MODE_MP4;
2375 if(mov->max_fragment_duration || mov->max_fragment_size){
2379 if (s->oformat != NULL) {
2380 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
2381 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
2382 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
2383 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
2384 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
2386 mov_write_ftyp_tag(pb,s);
2387 if (mov->mode == MODE_PSP) {
2388 if (s->nb_streams != 2) {
2389 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
2392 mov_write_uuidprof_tag(pb,s);
2396 mov->nb_streams = s->nb_streams;
2397 if (mov->mode & (MODE_MOV|MODE_IPOD) && s->nb_chapters)
2398 mov->chapter_track = mov->nb_streams++;
2400 #if FF_API_FLAG_RTP_HINT
2401 if (s->flags & AVFMT_FLAG_RTP_HINT) {
2402 av_log(s, AV_LOG_WARNING, "The RTP_HINT flag is deprecated, enable it "
2403 "via the -movflags rtphint muxer option "
2405 mov->flags |= FF_MOV_FLAG_RTP_HINT;
2408 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
2409 /* Add hint tracks for each audio and video stream */
2410 hint_track = mov->nb_streams;
2411 for (i = 0; i < s->nb_streams; i++) {
2412 AVStream *st = s->streams[i];
2413 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2414 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
2420 mov->tracks = av_mallocz(mov->nb_streams*sizeof(*mov->tracks));
2422 return AVERROR(ENOMEM);
2424 for(i=0; i<s->nb_streams; i++){
2425 AVStream *st= s->streams[i];
2426 MOVTrack *track= &mov->tracks[i];
2427 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
2429 track->enc = st->codec;
2430 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
2431 if (track->language < 0)
2432 track->language = 0;
2433 track->mode = mov->mode;
2434 track->tag = mov_find_codec_tag(s, track);
2436 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
2437 "codec not currently supported in container\n", i);
2440 /* If hinting of this track is enabled by a later hint track,
2441 * this is updated. */
2442 track->hint_track = -1;
2443 if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
2444 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
2445 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
2446 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
2447 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
2448 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
2451 track->height = track->tag>>24 == 'n' ? 486 : 576;
2453 track->timescale = st->codec->time_base.den;
2454 if (track->mode == MODE_MOV && track->timescale > 100000)
2455 av_log(s, AV_LOG_WARNING,
2456 "WARNING codec timebase is very high. If duration is too long,\n"
2457 "file may not be playable by quicktime. Specify a shorter timebase\n"
2458 "or choose different container.\n");
2459 }else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
2460 track->timescale = st->codec->sample_rate;
2461 if(!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
2462 av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
2464 }else if(st->codec->codec_id == CODEC_ID_ADPCM_MS ||
2465 st->codec->codec_id == CODEC_ID_ADPCM_IMA_WAV){
2466 if (!st->codec->block_align) {
2467 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
2470 track->sampleSize = st->codec->block_align;
2471 }else if(st->codec->frame_size > 1){ /* assume compressed audio */
2472 track->audio_vbr = 1;
2474 st->codec->frame_size = 1;
2475 track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
2477 if (track->mode != MODE_MOV) {
2478 if (track->timescale > UINT16_MAX) {
2479 av_log(s, AV_LOG_ERROR, "track %d: output format does not support "
2480 "sample rate %dhz\n", i, track->timescale);
2483 if (track->enc->codec_id == CODEC_ID_MP3 && track->timescale < 16000) {
2484 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
2485 i, track->enc->sample_rate);
2489 }else if(st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE){
2490 track->timescale = st->codec->time_base.den;
2493 track->height = st->codec->height;
2495 avpriv_set_pts_info(st, 64, 1, track->timescale);
2498 if(mov->reserved_moov_size){
2499 mov->reserved_moov_pos= avio_tell(pb);
2500 avio_skip(pb, mov->reserved_moov_size);
2503 mov_write_mdat_tag(pb, mov);
2505 #if FF_API_TIMESTAMP
2507 mov->time = s->timestamp;
2510 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
2511 mov->time = ff_iso8601_to_unix_time(t->value);
2512 mov->time += 0x7C25B080; //1970 based -> 1904 based
2514 if (mov->chapter_track)
2515 mov_create_chapter_track(s, mov->chapter_track);
2517 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
2518 /* Initialize the hint tracks for each audio and video stream */
2519 for (i = 0; i < s->nb_streams; i++) {
2520 AVStream *st = s->streams[i];
2521 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2522 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
2523 ff_mov_init_hinting(s, hint_track, i);
2533 av_freep(&mov->tracks);
2537 static int update_first_fragment(AVFormatContext *s)
2539 MOVMuxContext *mov = s->priv_data;
2540 AVIOContext *pb = s->pb;
2544 int64_t moov_pos = avio_tell(pb);
2546 /* Write size of mdat tag */
2547 if (mov->mdat_size+8 <= UINT32_MAX) {
2548 avio_seek(pb, mov->mdat_pos, SEEK_SET);
2549 avio_wb32(pb, mov->mdat_size+8);
2551 /* overwrite 'wide' placeholder atom */
2552 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
2553 avio_wb32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */
2554 ffio_wfourcc(pb, "mdat");
2555 avio_wb64(pb, mov->mdat_size+16);
2557 avio_seek(pb, mov->reserved_moov_size ? mov->reserved_moov_pos : moov_pos, SEEK_SET);
2559 mov_write_moov_tag(pb, mov, s);
2560 if(mov->reserved_moov_size){
2561 int64_t size= mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_moov_pos);
2563 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %Ld additional\n", 8-size);
2566 avio_wb32(pb, size);
2567 ffio_wfourcc(pb, "free");
2568 for(i=0; i<size; i++)
2570 avio_seek(pb, moov_pos, SEEK_SET);
2576 static int mov_write_trailer(AVFormatContext *s)
2578 MOVMuxContext *mov = s->priv_data;
2579 AVIOContext *pb = s->pb;
2583 flush_cluster_buffer(s);
2585 if (mov->chapter_track)
2586 av_freep(&mov->tracks[mov->chapter_track].enc);
2588 for (i=0; i<mov->nb_streams; i++) {
2589 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
2590 ff_mov_close_hinting(&mov->tracks[i]);
2591 av_freep(&mov->tracks[i].cluster);
2593 if(mov->tracks[i].vosLen) av_free(mov->tracks[i].vosData);
2599 av_freep(&mov->tracks);
2604 #if CONFIG_MOV_MUXER
2606 AVOutputFormat ff_mov_muxer = {
2608 .long_name = NULL_IF_CONFIG_SMALL("MOV format"),
2609 .extensions = "mov",
2610 .priv_data_size = sizeof(MOVMuxContext),
2611 .audio_codec = CODEC_ID_AAC,
2612 #if CONFIG_LIBX264_ENCODER
2613 .video_codec = CODEC_ID_H264,
2615 .video_codec = CODEC_ID_MPEG4,
2617 .write_header = mov_write_header,
2618 .write_packet = ff_mov_write_packet,
2619 .write_trailer = mov_write_trailer,
2620 .flags = AVFMT_GLOBALHEADER,
2621 .codec_tag = (const AVCodecTag* const []){codec_movvideo_tags, codec_movaudio_tags, 0},
2622 .priv_class = &mov_muxer_class,
2625 #if CONFIG_TGP_MUXER
2627 AVOutputFormat ff_tgp_muxer = {
2629 .long_name = NULL_IF_CONFIG_SMALL("3GP format"),
2630 .extensions = "3gp",
2631 .priv_data_size = sizeof(MOVMuxContext),
2632 .audio_codec = CODEC_ID_AMR_NB,
2633 .video_codec = CODEC_ID_H263,
2634 .write_header = mov_write_header,
2635 .write_packet = ff_mov_write_packet,
2636 .write_trailer = mov_write_trailer,
2637 .flags = AVFMT_GLOBALHEADER,
2638 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
2639 .priv_class = &tgp_muxer_class,
2642 #if CONFIG_MP4_MUXER
2644 AVOutputFormat ff_mp4_muxer = {
2646 .long_name = NULL_IF_CONFIG_SMALL("MP4 format"),
2647 .mime_type = "application/mp4",
2648 .extensions = "mp4",
2649 .priv_data_size = sizeof(MOVMuxContext),
2650 .audio_codec = CODEC_ID_AAC,
2651 #if CONFIG_LIBX264_ENCODER
2652 .video_codec = CODEC_ID_H264,
2654 .video_codec = CODEC_ID_MPEG4,
2656 .write_header = mov_write_header,
2657 .write_packet = ff_mov_write_packet,
2658 .write_trailer = mov_write_trailer,
2659 .flags = AVFMT_GLOBALHEADER,
2660 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
2661 .priv_class = &mp4_muxer_class,
2664 #if CONFIG_PSP_MUXER
2666 AVOutputFormat ff_psp_muxer = {
2668 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 format"),
2669 .extensions = "mp4,psp",
2670 .priv_data_size = sizeof(MOVMuxContext),
2671 .audio_codec = CODEC_ID_AAC,
2672 #if CONFIG_LIBX264_ENCODER
2673 .video_codec = CODEC_ID_H264,
2675 .video_codec = CODEC_ID_MPEG4,
2677 .write_header = mov_write_header,
2678 .write_packet = ff_mov_write_packet,
2679 .write_trailer = mov_write_trailer,
2680 .flags = AVFMT_GLOBALHEADER,
2681 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
2682 .priv_class = &psp_muxer_class,
2685 #if CONFIG_TG2_MUXER
2687 AVOutputFormat ff_tg2_muxer = {
2689 .long_name = NULL_IF_CONFIG_SMALL("3GP2 format"),
2690 .extensions = "3g2",
2691 .priv_data_size = sizeof(MOVMuxContext),
2692 .audio_codec = CODEC_ID_AMR_NB,
2693 .video_codec = CODEC_ID_H263,
2694 .write_header = mov_write_header,
2695 .write_packet = ff_mov_write_packet,
2696 .write_trailer = mov_write_trailer,
2697 .flags = AVFMT_GLOBALHEADER,
2698 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
2699 .priv_class = &tg2_muxer_class,
2702 #if CONFIG_IPOD_MUXER
2704 AVOutputFormat ff_ipod_muxer = {
2706 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"),
2707 .mime_type = "application/mp4",
2708 .extensions = "m4v,m4a",
2709 .priv_data_size = sizeof(MOVMuxContext),
2710 .audio_codec = CODEC_ID_AAC,
2711 .video_codec = CODEC_ID_H264,
2712 .write_header = mov_write_header,
2713 .write_packet = ff_mov_write_packet,
2714 .write_trailer = mov_write_trailer,
2715 .flags = AVFMT_GLOBALHEADER,
2716 .codec_tag = (const AVCodecTag* const []){codec_ipod_tags, 0},
2717 .priv_class = &ipod_muxer_class,