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.h"
36 #include "libavutil/mathematics.h"
37 #include "libavutil/opt.h"
38 #include "libavutil/dict.h"
45 static const AVOption options[] = {
46 { "movflags", "MOV muxer flags", offsetof(MOVMuxContext, flags), AV_OPT_TYPE_FLAGS, {.dbl = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
47 { "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" },
48 { "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 },
49 { "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 },
50 { "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 },
51 FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
55 #define MOV_CLASS(flavor)\
56 static const AVClass flavor ## _muxer_class = {\
57 .class_name = #flavor " muxer",\
58 .item_name = av_default_item_name,\
60 .version = LIBAVUTIL_VERSION_INT,\
63 static int update_first_fragment(AVFormatContext *s);
65 //FIXME support 64 bit variant with wide placeholders
66 static int64_t updateSize(AVIOContext *pb, int64_t pos)
68 int64_t curpos = avio_tell(pb);
69 avio_seek(pb, pos, SEEK_SET);
70 avio_wb32(pb, curpos - pos); /* rewrite size */
71 avio_seek(pb, curpos, SEEK_SET);
76 /* Chunk offset atom */
77 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
80 int mode64 = 0; // use 32 bit size variant if possible
81 int64_t pos = avio_tell(pb);
82 avio_wb32(pb, 0); /* size */
83 if (pos > UINT32_MAX) {
85 ffio_wfourcc(pb, "co64");
87 ffio_wfourcc(pb, "stco");
88 avio_wb32(pb, 0); /* version & flags */
89 avio_wb32(pb, track->chunkCount); /* entry count */
90 for (i=0; i<track->entry; i++) {
91 if(!track->cluster[i].chunkNum)
94 avio_wb64(pb, track->cluster[i].pos);
96 avio_wb32(pb, track->cluster[i].pos);
98 return updateSize(pb, pos);
101 /* Sample size atom */
102 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
105 int i, j, entries = 0, tst = -1, oldtst = -1;
107 int64_t pos = avio_tell(pb);
108 avio_wb32(pb, 0); /* size */
109 ffio_wfourcc(pb, "stsz");
110 avio_wb32(pb, 0); /* version & flags */
112 for (i=0; i<track->entry; i++) {
113 tst = track->cluster[i].size/track->cluster[i].entries;
114 if(oldtst != -1 && tst != oldtst) {
118 entries += track->cluster[i].entries;
121 int sSize = track->cluster[0].size/track->cluster[0].entries;
122 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
123 avio_wb32(pb, sSize); // sample size
124 avio_wb32(pb, entries); // sample count
127 avio_wb32(pb, 0); // sample size
128 avio_wb32(pb, entries); // sample count
129 for (i=0; i<track->entry; i++) {
130 for (j=0; j<track->cluster[i].entries; j++) {
131 avio_wb32(pb, track->cluster[i].size /
132 track->cluster[i].entries);
136 return updateSize(pb, pos);
139 /* Sample to chunk atom */
140 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
142 int index = 0, oldval = -1, i;
143 int64_t entryPos, curpos;
145 int64_t pos = avio_tell(pb);
146 avio_wb32(pb, 0); /* size */
147 ffio_wfourcc(pb, "stsc");
148 avio_wb32(pb, 0); // version & flags
149 entryPos = avio_tell(pb);
150 avio_wb32(pb, track->chunkCount); // entry count
151 for (i=0; i<track->entry; i++) {
152 if(oldval != track->cluster[i].samplesInChunk && track->cluster[i].chunkNum)
154 avio_wb32(pb, track->cluster[i].chunkNum); // first chunk
155 avio_wb32(pb, track->cluster[i].samplesInChunk); // samples per chunk
156 avio_wb32(pb, 0x1); // sample description index
157 oldval = track->cluster[i].samplesInChunk;
161 curpos = avio_tell(pb);
162 avio_seek(pb, entryPos, SEEK_SET);
163 avio_wb32(pb, index); // rewrite size
164 avio_seek(pb, curpos, SEEK_SET);
166 return updateSize(pb, pos);
169 /* Sync sample atom */
170 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
172 int64_t curpos, entryPos;
174 int64_t pos = avio_tell(pb);
175 avio_wb32(pb, 0); // size
176 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
177 avio_wb32(pb, 0); // version & flags
178 entryPos = avio_tell(pb);
179 avio_wb32(pb, track->entry); // entry count
180 for (i=0; i<track->entry; i++) {
181 if (track->cluster[i].flags & flag) {
186 curpos = avio_tell(pb);
187 avio_seek(pb, entryPos, SEEK_SET);
188 avio_wb32(pb, index); // rewrite size
189 avio_seek(pb, curpos, SEEK_SET);
190 return updateSize(pb, pos);
193 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
195 avio_wb32(pb, 0x11); /* size */
196 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
197 else ffio_wfourcc(pb, "damr");
198 ffio_wfourcc(pb, "FFMP");
199 avio_w8(pb, 0); /* decoder version */
201 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
202 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
203 avio_w8(pb, 0x01); /* Frames per sample */
207 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
212 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
214 if (track->vosLen < 7)
218 ffio_wfourcc(pb, "dac3");
220 init_get_bits(&gbc, track->vosData+4, (track->vosLen-4) * 8);
221 fscod = get_bits(&gbc, 2);
222 frmsizecod = get_bits(&gbc, 6);
223 bsid = get_bits(&gbc, 5);
224 bsmod = get_bits(&gbc, 3);
225 acmod = get_bits(&gbc, 3);
227 skip_bits(&gbc, 2); // dsurmod
229 if ((acmod & 1) && acmod != 1)
230 skip_bits(&gbc, 2); // cmixlev
232 skip_bits(&gbc, 2); // surmixlev
234 lfeon = get_bits1(&gbc);
236 init_put_bits(&pbc, buf, sizeof(buf));
237 put_bits(&pbc, 2, fscod);
238 put_bits(&pbc, 5, bsid);
239 put_bits(&pbc, 3, bsmod);
240 put_bits(&pbc, 3, acmod);
241 put_bits(&pbc, 1, lfeon);
242 put_bits(&pbc, 5, frmsizecod>>1); // bit_rate_code
243 put_bits(&pbc, 5, 0); // reserved
245 flush_put_bits(&pbc);
246 avio_write(pb, buf, sizeof(buf));
252 * This function writes extradata "as is".
253 * Extradata must be formatted like a valid atom (with size and tag).
255 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
257 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
258 return track->enc->extradata_size;
261 static int mov_write_enda_tag(AVIOContext *pb)
264 ffio_wfourcc(pb, "enda");
265 avio_wb16(pb, 1); /* little endian */
269 static void putDescr(AVIOContext *pb, int tag, unsigned int size)
274 avio_w8(pb, (size>>(7*i)) | 0x80);
275 avio_w8(pb, size & 0x7F);
278 static unsigned compute_avg_bitrate(MOVTrack *track)
282 for (i = 0; i < track->entry; i++)
283 size += track->cluster[i].size;
284 return size * 8 * track->timescale / track->trackDuration;
287 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
289 int64_t pos = avio_tell(pb);
290 int decoderSpecificInfoLen = track->vosLen ? 5+track->vosLen : 0;
291 unsigned avg_bitrate;
293 avio_wb32(pb, 0); // size
294 ffio_wfourcc(pb, "esds");
295 avio_wb32(pb, 0); // Version
298 putDescr(pb, 0x03, 3 + 5+13 + decoderSpecificInfoLen + 5+1);
299 avio_wb16(pb, track->trackID);
300 avio_w8(pb, 0x00); // flags (= no flags)
302 // DecoderConfig descriptor
303 putDescr(pb, 0x04, 13 + decoderSpecificInfoLen);
305 // Object type indication
306 if ((track->enc->codec_id == CODEC_ID_MP2 ||
307 track->enc->codec_id == CODEC_ID_MP3) &&
308 track->enc->sample_rate > 24000)
309 avio_w8(pb, 0x6B); // 11172-3
311 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
313 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
314 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
315 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
316 avio_w8(pb, 0x15); // flags (= Audiostream)
318 avio_w8(pb, 0x11); // flags (= Visualstream)
320 avio_w8(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits)
321 avio_wb16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB
323 avg_bitrate = compute_avg_bitrate(track);
324 // maxbitrate (FIXME should be max rate in any 1 sec window)
325 avio_wb32(pb, FFMAX3(track->enc->bit_rate, track->enc->rc_max_rate, avg_bitrate));
326 avio_wb32(pb, avg_bitrate);
329 // DecoderSpecific info descriptor
330 putDescr(pb, 0x05, track->vosLen);
331 avio_write(pb, track->vosData, track->vosLen);
335 putDescr(pb, 0x06, 1);
337 return updateSize(pb, pos);
340 static int mov_pcm_le_gt16(enum CodecID codec_id)
342 return codec_id == CODEC_ID_PCM_S24LE ||
343 codec_id == CODEC_ID_PCM_S32LE ||
344 codec_id == CODEC_ID_PCM_F32LE ||
345 codec_id == CODEC_ID_PCM_F64LE;
348 static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
350 int64_t pos = avio_tell(pb);
352 avio_wl32(pb, track->tag); // store it byteswapped
353 track->enc->codec_tag = av_bswap16(track->tag >> 16);
354 ff_put_wav_header(pb, track->enc);
355 return updateSize(pb, pos);
358 static int mov_write_chan_tag(AVIOContext *pb, MOVTrack *track)
360 uint32_t layout_tag, bitmap;
361 int64_t pos = avio_tell(pb);
363 layout_tag = ff_mov_get_channel_layout_tag(track->enc->codec_id,
364 track->enc->channel_layout,
367 av_log(track->enc, AV_LOG_WARNING, "not writing 'chan' tag due to "
368 "lack of channel information\n");
372 avio_wb32(pb, 0); // Size
373 ffio_wfourcc(pb, "chan"); // Type
374 avio_w8(pb, 0); // Version
375 avio_wb24(pb, 0); // Flags
376 avio_wb32(pb, layout_tag); // mChannelLayoutTag
377 avio_wb32(pb, bitmap); // mChannelBitmap
378 avio_wb32(pb, 0); // mNumberChannelDescriptions
380 return updateSize(pb, pos);
383 static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
385 int64_t pos = avio_tell(pb);
387 avio_wb32(pb, 0); /* size */
388 ffio_wfourcc(pb, "wave");
390 avio_wb32(pb, 12); /* size */
391 ffio_wfourcc(pb, "frma");
392 avio_wl32(pb, track->tag);
394 if (track->enc->codec_id == CODEC_ID_AAC) {
395 /* useless atom needed by mplayer, ipod, not needed by quicktime */
396 avio_wb32(pb, 12); /* size */
397 ffio_wfourcc(pb, "mp4a");
399 mov_write_esds_tag(pb, track);
400 } else if (mov_pcm_le_gt16(track->enc->codec_id)) {
401 mov_write_enda_tag(pb);
402 } else if (track->enc->codec_id == CODEC_ID_AMR_NB) {
403 mov_write_amr_tag(pb, track);
404 } else if (track->enc->codec_id == CODEC_ID_AC3) {
405 mov_write_chan_tag(pb, track);
406 mov_write_ac3_tag(pb, track);
407 } else if (track->enc->codec_id == CODEC_ID_ALAC) {
408 mov_write_extradata_tag(pb, track);
409 } else if (track->enc->codec_id == CODEC_ID_ADPCM_MS ||
410 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
411 mov_write_ms_tag(pb, track);
414 avio_wb32(pb, 8); /* size */
415 avio_wb32(pb, 0); /* null tag */
417 return updateSize(pb, pos);
420 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
422 avio_wb32(pb, track->vosLen+8);
423 ffio_wfourcc(pb, "glbl");
424 avio_write(pb, track->vosData, track->vosLen);
425 return 8+track->vosLen;
429 * Compute flags for 'lpcm' tag.
430 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
432 static int mov_get_lpcm_flags(enum CodecID codec_id)
435 case CODEC_ID_PCM_F32BE:
436 case CODEC_ID_PCM_F64BE:
438 case CODEC_ID_PCM_F32LE:
439 case CODEC_ID_PCM_F64LE:
441 case CODEC_ID_PCM_U8:
443 case CODEC_ID_PCM_S16BE:
444 case CODEC_ID_PCM_S24BE:
445 case CODEC_ID_PCM_S32BE:
447 case CODEC_ID_PCM_S8:
448 case CODEC_ID_PCM_S16LE:
449 case CODEC_ID_PCM_S24LE:
450 case CODEC_ID_PCM_S32LE:
457 static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
459 int64_t pos = avio_tell(pb);
461 uint32_t tag = track->tag;
463 if (track->mode == MODE_MOV) {
464 if (mov_get_lpcm_flags(track->enc->codec_id))
465 tag = AV_RL32("lpcm");
469 avio_wb32(pb, 0); /* size */
470 avio_wl32(pb, tag); // store it byteswapped
471 avio_wb32(pb, 0); /* Reserved */
472 avio_wb16(pb, 0); /* Reserved */
473 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
475 /* SoundDescription */
476 avio_wb16(pb, version); /* Version */
477 avio_wb16(pb, 0); /* Revision level */
478 avio_wb32(pb, 0); /* Reserved */
483 avio_wb16(pb, 0xfffe);
485 avio_wb32(pb, 0x00010000);
487 avio_wb64(pb, av_double2int(track->timescale));
488 avio_wb32(pb, track->enc->channels);
489 avio_wb32(pb, 0x7F000000);
490 avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
491 avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
492 avio_wb32(pb, track->sampleSize);
493 avio_wb32(pb, track->audio_vbr ? track->enc->frame_size : 1);
495 /* reserved for mp4/3gp */
500 avio_wb16(pb, 0); /* packet size (= 0) */
501 avio_wb16(pb, track->timescale); /* Time scale */
502 avio_wb16(pb, 0); /* Reserved */
505 if(track->mode == MODE_MOV &&
506 (track->enc->codec_id == CODEC_ID_AAC ||
507 track->enc->codec_id == CODEC_ID_AC3 ||
508 track->enc->codec_id == CODEC_ID_AMR_NB ||
509 track->enc->codec_id == CODEC_ID_ALAC ||
510 track->enc->codec_id == CODEC_ID_ADPCM_MS ||
511 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV ||
512 mov_pcm_le_gt16(track->enc->codec_id)))
513 mov_write_wave_tag(pb, track);
514 else if(track->tag == MKTAG('m','p','4','a'))
515 mov_write_esds_tag(pb, track);
516 else if(track->enc->codec_id == CODEC_ID_AMR_NB)
517 mov_write_amr_tag(pb, track);
518 else if(track->enc->codec_id == CODEC_ID_AC3)
519 mov_write_ac3_tag(pb, track);
520 else if(track->enc->codec_id == CODEC_ID_ALAC)
521 mov_write_extradata_tag(pb, track);
522 else if(track->vosLen > 0)
523 mov_write_glbl_tag(pb, track);
525 return updateSize(pb, pos);
528 static int mov_write_d263_tag(AVIOContext *pb)
530 avio_wb32(pb, 0xf); /* size */
531 ffio_wfourcc(pb, "d263");
532 ffio_wfourcc(pb, "FFMP");
533 avio_w8(pb, 0); /* decoder version */
534 /* FIXME use AVCodecContext level/profile, when encoder will set values */
535 avio_w8(pb, 0xa); /* level */
536 avio_w8(pb, 0); /* profile */
540 /* TODO: No idea about these values */
541 static int mov_write_svq3_tag(AVIOContext *pb)
544 ffio_wfourcc(pb, "SMI ");
545 ffio_wfourcc(pb, "SEQH");
547 avio_wb32(pb, 0xe2c0211d);
548 avio_wb32(pb, 0xc0000000);
553 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
555 int64_t pos = avio_tell(pb);
558 ffio_wfourcc(pb, "avcC");
559 ff_isom_write_avcc(pb, track->vosData, track->vosLen);
560 return updateSize(pb, pos);
563 /* also used by all avid codecs (dv, imx, meridien) and their variants */
564 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
567 avio_wb32(pb, 24); /* size */
568 ffio_wfourcc(pb, "ACLR");
569 ffio_wfourcc(pb, "ACLR");
570 ffio_wfourcc(pb, "0001");
571 avio_wb32(pb, 2); /* yuv range: full 1 / normal 2 */
572 avio_wb32(pb, 0); /* unknown */
574 avio_wb32(pb, 24); /* size */
575 ffio_wfourcc(pb, "APRG");
576 ffio_wfourcc(pb, "APRG");
577 ffio_wfourcc(pb, "0001");
578 avio_wb32(pb, 1); /* unknown */
579 avio_wb32(pb, 0); /* unknown */
581 avio_wb32(pb, 120); /* size */
582 ffio_wfourcc(pb, "ARES");
583 ffio_wfourcc(pb, "ARES");
584 ffio_wfourcc(pb, "0001");
585 avio_wb32(pb, AV_RB32(track->vosData + 0x28)); /* dnxhd cid, some id ? */
586 avio_wb32(pb, track->enc->width);
587 /* values below are based on samples created with quicktime and avid codecs */
588 if (track->vosData[5] & 2) { // interlaced
589 avio_wb32(pb, track->enc->height/2);
590 avio_wb32(pb, 2); /* unknown */
591 avio_wb32(pb, 0); /* unknown */
592 avio_wb32(pb, 4); /* unknown */
594 avio_wb32(pb, track->enc->height);
595 avio_wb32(pb, 1); /* unknown */
596 avio_wb32(pb, 0); /* unknown */
597 if (track->enc->height == 1080)
598 avio_wb32(pb, 5); /* unknown */
600 avio_wb32(pb, 6); /* unknown */
603 for (i = 0; i < 10; i++)
606 /* extra padding for stsd needed */
611 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
613 int tag = track->enc->codec_tag;
615 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
618 if (track->enc->codec_id == CODEC_ID_H264) tag = MKTAG('a','v','c','1');
619 else if (track->enc->codec_id == CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
620 else if (track->enc->codec_id == CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
621 else if (track->enc->codec_id == CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
622 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
623 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
628 static const AVCodecTag codec_ipod_tags[] = {
629 { CODEC_ID_H264, MKTAG('a','v','c','1') },
630 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
631 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
632 { CODEC_ID_ALAC, MKTAG('a','l','a','c') },
633 { CODEC_ID_AC3, MKTAG('a','c','-','3') },
634 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
635 { CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
636 { CODEC_ID_NONE, 0 },
639 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
641 int tag = track->enc->codec_tag;
643 // keep original tag for subs, ipod supports both formats
644 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
645 (tag == MKTAG('t','x','3','g') ||
646 tag == MKTAG('t','e','x','t'))))
647 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
649 if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v"))
650 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
651 "Quicktime/Ipod might not play the file\n");
656 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
660 if (track->enc->width == 720) /* SD */
661 if (track->enc->height == 480) /* NTSC */
662 if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
663 else tag = MKTAG('d','v','c',' ');
664 else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
665 else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
666 else tag = MKTAG('d','v','p','p');
667 else if (track->enc->height == 720) /* HD 720 line */
668 if (track->enc->time_base.den == 50) tag = MKTAG('d','v','h','q');
669 else tag = MKTAG('d','v','h','p');
670 else if (track->enc->height == 1080) /* HD 1080 line */
671 if (track->enc->time_base.den == 25) tag = MKTAG('d','v','h','5');
672 else tag = MKTAG('d','v','h','6');
674 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
681 static const struct {
682 enum PixelFormat pix_fmt;
685 } mov_pix_fmt_tags[] = {
686 { PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
687 { PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
688 { PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
689 { PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
690 { PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
691 { PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
692 { PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
693 { PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
694 { PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
695 { PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
696 { PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
697 { PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
698 { PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
699 { PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
702 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
704 int tag = track->enc->codec_tag;
707 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
708 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
709 tag = mov_pix_fmt_tags[i].tag;
710 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
718 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
720 int tag = track->enc->codec_tag;
722 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
723 (track->enc->codec_id == CODEC_ID_DVVIDEO ||
724 track->enc->codec_id == CODEC_ID_RAWVIDEO ||
725 track->enc->codec_id == CODEC_ID_H263 ||
726 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
727 if (track->enc->codec_id == CODEC_ID_DVVIDEO)
728 tag = mov_get_dv_codec_tag(s, track);
729 else if (track->enc->codec_id == CODEC_ID_RAWVIDEO)
730 tag = mov_get_rawvideo_codec_tag(s, track);
731 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
732 tag = ff_codec_get_tag(codec_movvideo_tags, track->enc->codec_id);
733 if (!tag) { // if no mac fcc found, try with Microsoft tags
734 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
736 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
737 "the file may be unplayable!\n");
739 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
740 tag = ff_codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
741 if (!tag) { // if no mac fcc found, try with Microsoft tags
742 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
744 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
745 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
746 "the file may be unplayable!\n");
749 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
750 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
756 static const AVCodecTag codec_3gp_tags[] = {
757 { CODEC_ID_H263, MKTAG('s','2','6','3') },
758 { CODEC_ID_H264, MKTAG('a','v','c','1') },
759 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
760 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
761 { CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
762 { CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
763 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
764 { CODEC_ID_NONE, 0 },
767 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
769 int tag = track->enc->codec_tag;
771 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
772 tag = mp4_get_codec_tag(s, track);
773 else if (track->mode == MODE_IPOD)
774 tag = ipod_get_codec_tag(s, track);
775 else if (track->mode & MODE_3GP)
776 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
778 tag = mov_get_codec_tag(s, track);
784 * Needed to make file play in iPods running newest firmware
785 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
787 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
790 ffio_wfourcc(pb, "uuid");
791 avio_wb32(pb, 0x6b6840f2);
792 avio_wb32(pb, 0x5f244fc5);
793 avio_wb32(pb, 0xba39a51b);
794 avio_wb32(pb, 0xcf0323f3);
799 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
801 int64_t pos = avio_tell(pb);
802 avio_wb32(pb, 0); /* size */
803 avio_wl32(pb, track->tag); // store it byteswapped
804 avio_wb32(pb, 0); /* Reserved */
805 avio_wb16(pb, 0); /* Reserved */
806 avio_wb16(pb, 1); /* Data-reference index */
808 if (track->enc->extradata_size)
809 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
811 return updateSize(pb, pos);
814 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
817 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
818 track->enc->sample_aspect_ratio.den, INT_MAX);
821 ffio_wfourcc(pb, "pasp");
822 avio_wb32(pb, sar.num);
823 avio_wb32(pb, sar.den);
827 static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
829 int64_t pos = avio_tell(pb);
830 char compressor_name[32];
832 avio_wb32(pb, 0); /* size */
833 avio_wl32(pb, track->tag); // store it byteswapped
834 avio_wb32(pb, 0); /* Reserved */
835 avio_wb16(pb, 0); /* Reserved */
836 avio_wb16(pb, 1); /* Data-reference index */
838 avio_wb16(pb, 0); /* Codec stream version */
839 avio_wb16(pb, 0); /* Codec stream revision (=0) */
840 if (track->mode == MODE_MOV) {
841 ffio_wfourcc(pb, "FFMP"); /* Vendor */
842 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
843 avio_wb32(pb, 0); /* Temporal Quality */
844 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
846 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
847 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
850 avio_wb32(pb, 0); /* Reserved */
851 avio_wb32(pb, 0); /* Reserved */
852 avio_wb32(pb, 0); /* Reserved */
854 avio_wb16(pb, track->enc->width); /* Video width */
855 avio_wb16(pb, track->height); /* Video height */
856 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
857 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
858 avio_wb32(pb, 0); /* Data size (= 0) */
859 avio_wb16(pb, 1); /* Frame count (= 1) */
861 memset(compressor_name,0,32);
862 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
863 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
864 av_strlcpy(compressor_name,track->enc->codec->name,32);
865 avio_w8(pb, strlen(compressor_name));
866 avio_write(pb, compressor_name, 31);
868 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
869 avio_wb16(pb, track->enc->bits_per_coded_sample);
871 avio_wb16(pb, 0x18); /* Reserved */
872 avio_wb16(pb, 0xffff); /* Reserved */
873 if(track->tag == MKTAG('m','p','4','v'))
874 mov_write_esds_tag(pb, track);
875 else if(track->enc->codec_id == CODEC_ID_H263)
876 mov_write_d263_tag(pb);
877 else if(track->enc->codec_id == CODEC_ID_SVQ3)
878 mov_write_svq3_tag(pb);
879 else if(track->enc->codec_id == CODEC_ID_DNXHD)
880 mov_write_avid_tag(pb, track);
881 else if(track->enc->codec_id == CODEC_ID_H264) {
882 mov_write_avcc_tag(pb, track);
883 if(track->mode == MODE_IPOD)
884 mov_write_uuid_tag_ipod(pb);
885 } else if(track->vosLen > 0)
886 mov_write_glbl_tag(pb, track);
888 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
889 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
890 mov_write_pasp_tag(pb, track);
893 return updateSize(pb, pos);
896 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
898 int64_t pos = avio_tell(pb);
899 avio_wb32(pb, 0); /* size */
900 ffio_wfourcc(pb, "rtp ");
901 avio_wb32(pb, 0); /* Reserved */
902 avio_wb16(pb, 0); /* Reserved */
903 avio_wb16(pb, 1); /* Data-reference index */
905 avio_wb16(pb, 1); /* Hint track version */
906 avio_wb16(pb, 1); /* Highest compatible version */
907 avio_wb32(pb, track->max_packet_size); /* Max packet size */
909 avio_wb32(pb, 12); /* size */
910 ffio_wfourcc(pb, "tims");
911 avio_wb32(pb, track->timescale);
913 return updateSize(pb, pos);
916 static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
918 int64_t pos = avio_tell(pb);
919 avio_wb32(pb, 0); /* size */
920 ffio_wfourcc(pb, "stsd");
921 avio_wb32(pb, 0); /* version & flags */
922 avio_wb32(pb, 1); /* entry count */
923 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
924 mov_write_video_tag(pb, track);
925 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
926 mov_write_audio_tag(pb, track);
927 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
928 mov_write_subtitle_tag(pb, track);
929 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
930 mov_write_rtp_tag(pb, track);
931 return updateSize(pb, pos);
934 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
936 MOVStts *ctts_entries;
937 uint32_t entries = 0;
941 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
942 ctts_entries[0].count = 1;
943 ctts_entries[0].duration = track->cluster[0].cts;
944 for (i=1; i<track->entry; i++) {
945 if (track->cluster[i].cts == ctts_entries[entries].duration) {
946 ctts_entries[entries].count++; /* compress */
949 ctts_entries[entries].duration = track->cluster[i].cts;
950 ctts_entries[entries].count = 1;
953 entries++; /* last one */
954 atom_size = 16 + (entries * 8);
955 avio_wb32(pb, atom_size); /* size */
956 ffio_wfourcc(pb, "ctts");
957 avio_wb32(pb, 0); /* version & flags */
958 avio_wb32(pb, entries); /* entry count */
959 for (i=0; i<entries; i++) {
960 avio_wb32(pb, ctts_entries[i].count);
961 avio_wb32(pb, ctts_entries[i].duration);
963 av_free(ctts_entries);
967 /* Time to sample atom */
968 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
970 MOVStts *stts_entries;
971 uint32_t entries = -1;
975 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
976 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
977 stts_entries[0].count = track->sampleCount;
978 stts_entries[0].duration = 1;
981 stts_entries = av_malloc(track->entry * sizeof(*stts_entries)); /* worst case */
982 for (i=0; i<track->entry; i++) {
983 int64_t duration = i + 1 == track->entry ?
984 track->trackDuration - track->cluster[i].dts + track->cluster[0].dts : /* readjusting */
985 track->cluster[i+1].dts - track->cluster[i].dts;
986 if (i && duration == stts_entries[entries].duration) {
987 stts_entries[entries].count++; /* compress */
990 stts_entries[entries].duration = duration;
991 stts_entries[entries].count = 1;
994 entries++; /* last one */
996 atom_size = 16 + (entries * 8);
997 avio_wb32(pb, atom_size); /* size */
998 ffio_wfourcc(pb, "stts");
999 avio_wb32(pb, 0); /* version & flags */
1000 avio_wb32(pb, entries); /* entry count */
1001 for (i=0; i<entries; i++) {
1002 avio_wb32(pb, stts_entries[i].count);
1003 avio_wb32(pb, stts_entries[i].duration);
1005 av_free(stts_entries);
1009 static int mov_write_dref_tag(AVIOContext *pb)
1011 avio_wb32(pb, 28); /* size */
1012 ffio_wfourcc(pb, "dref");
1013 avio_wb32(pb, 0); /* version & flags */
1014 avio_wb32(pb, 1); /* entry count */
1016 avio_wb32(pb, 0xc); /* size */
1017 ffio_wfourcc(pb, "url ");
1018 avio_wb32(pb, 1); /* version & flags */
1023 static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
1025 int64_t pos = avio_tell(pb);
1026 avio_wb32(pb, 0); /* size */
1027 ffio_wfourcc(pb, "stbl");
1028 mov_write_stsd_tag(pb, track);
1029 mov_write_stts_tag(pb, track);
1030 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1031 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
1032 track->hasKeyframes && track->hasKeyframes < track->entry)
1033 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1034 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1035 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
1036 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1037 track->flags & MOV_TRACK_CTTS)
1038 mov_write_ctts_tag(pb, track);
1039 mov_write_stsc_tag(pb, track);
1040 mov_write_stsz_tag(pb, track);
1041 mov_write_stco_tag(pb, track);
1042 return updateSize(pb, pos);
1045 static int mov_write_dinf_tag(AVIOContext *pb)
1047 int64_t pos = avio_tell(pb);
1048 avio_wb32(pb, 0); /* size */
1049 ffio_wfourcc(pb, "dinf");
1050 mov_write_dref_tag(pb);
1051 return updateSize(pb, pos);
1054 static int mov_write_nmhd_tag(AVIOContext *pb)
1057 ffio_wfourcc(pb, "nmhd");
1062 static int mov_write_gmhd_tag(AVIOContext *pb)
1064 avio_wb32(pb, 0x20); /* size */
1065 ffio_wfourcc(pb, "gmhd");
1066 avio_wb32(pb, 0x18); /* gmin size */
1067 ffio_wfourcc(pb, "gmin");/* generic media info */
1068 avio_wb32(pb, 0); /* version & flags */
1069 avio_wb16(pb, 0x40); /* graphics mode = */
1070 avio_wb16(pb, 0x8000); /* opColor (r?) */
1071 avio_wb16(pb, 0x8000); /* opColor (g?) */
1072 avio_wb16(pb, 0x8000); /* opColor (b?) */
1073 avio_wb16(pb, 0); /* balance */
1074 avio_wb16(pb, 0); /* reserved */
1078 static int mov_write_smhd_tag(AVIOContext *pb)
1080 avio_wb32(pb, 16); /* size */
1081 ffio_wfourcc(pb, "smhd");
1082 avio_wb32(pb, 0); /* version & flags */
1083 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1084 avio_wb16(pb, 0); /* reserved */
1088 static int mov_write_vmhd_tag(AVIOContext *pb)
1090 avio_wb32(pb, 0x14); /* size (always 0x14) */
1091 ffio_wfourcc(pb, "vmhd");
1092 avio_wb32(pb, 0x01); /* version & flags */
1093 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
1097 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
1099 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1100 int64_t pos = avio_tell(pb);
1102 if (!track) { /* no media --> data handler */
1105 descr = "DataHandler";
1107 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1108 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1110 descr = "VideoHandler";
1111 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1113 descr = "SoundHandler";
1114 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1115 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
1116 else hdlr_type = "text";
1117 descr = "SubtitleHandler";
1118 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1120 descr = "HintHandler";
1124 avio_wb32(pb, 0); /* size */
1125 ffio_wfourcc(pb, "hdlr");
1126 avio_wb32(pb, 0); /* Version & flags */
1127 avio_write(pb, hdlr, 4); /* handler */
1128 ffio_wfourcc(pb, hdlr_type); /* handler type */
1129 avio_wb32(pb ,0); /* reserved */
1130 avio_wb32(pb ,0); /* reserved */
1131 avio_wb32(pb ,0); /* reserved */
1132 if (!track || track->mode == MODE_MOV)
1133 avio_w8(pb, strlen(descr)); /* pascal string */
1134 avio_write(pb, descr, strlen(descr)); /* handler description */
1135 if (track && track->mode != MODE_MOV)
1136 avio_w8(pb, 0); /* c string */
1137 return updateSize(pb, pos);
1140 static int mov_write_hmhd_tag(AVIOContext *pb)
1142 /* This atom must be present, but leaving the values at zero
1143 * seems harmless. */
1144 avio_wb32(pb, 28); /* size */
1145 ffio_wfourcc(pb, "hmhd");
1146 avio_wb32(pb, 0); /* version, flags */
1147 avio_wb16(pb, 0); /* maxPDUsize */
1148 avio_wb16(pb, 0); /* avgPDUsize */
1149 avio_wb32(pb, 0); /* maxbitrate */
1150 avio_wb32(pb, 0); /* avgbitrate */
1151 avio_wb32(pb, 0); /* reserved */
1155 static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
1157 int64_t pos = avio_tell(pb);
1158 avio_wb32(pb, 0); /* size */
1159 ffio_wfourcc(pb, "minf");
1160 if(track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1161 mov_write_vmhd_tag(pb);
1162 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1163 mov_write_smhd_tag(pb);
1164 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1165 if (track->tag == MKTAG('t','e','x','t')) mov_write_gmhd_tag(pb);
1166 else mov_write_nmhd_tag(pb);
1167 } else if (track->tag == MKTAG('r','t','p',' ')) {
1168 mov_write_hmhd_tag(pb);
1170 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1171 mov_write_hdlr_tag(pb, NULL);
1172 mov_write_dinf_tag(pb);
1173 mov_write_stbl_tag(pb, track);
1174 return updateSize(pb, pos);
1177 static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track)
1179 int version = track->trackDuration < INT32_MAX ? 0 : 1;
1181 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
1182 ffio_wfourcc(pb, "mdhd");
1183 avio_w8(pb, version);
1184 avio_wb24(pb, 0); /* flags */
1186 avio_wb64(pb, track->time);
1187 avio_wb64(pb, track->time);
1189 avio_wb32(pb, track->time); /* creation time */
1190 avio_wb32(pb, track->time); /* modification time */
1192 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
1193 (version == 1) ? avio_wb64(pb, track->trackDuration) : avio_wb32(pb, track->trackDuration); /* duration */
1194 avio_wb16(pb, track->language); /* language */
1195 avio_wb16(pb, 0); /* reserved (quality) */
1197 if(version!=0 && track->mode == MODE_MOV){
1198 av_log(NULL, AV_LOG_ERROR,
1199 "FATAL error, file duration too long for timebase, this file will not be\n"
1200 "playable with quicktime. Choose a different timebase or a different\n"
1201 "container format\n");
1207 static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track)
1209 int64_t pos = avio_tell(pb);
1210 avio_wb32(pb, 0); /* size */
1211 ffio_wfourcc(pb, "mdia");
1212 mov_write_mdhd_tag(pb, track);
1213 mov_write_hdlr_tag(pb, track);
1214 mov_write_minf_tag(pb, track);
1215 return updateSize(pb, pos);
1218 static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1220 int64_t duration = av_rescale_rnd(track->trackDuration, MOV_TIMESCALE,
1221 track->timescale, AV_ROUND_UP);
1222 int version = duration < INT32_MAX ? 0 : 1;
1224 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
1225 ffio_wfourcc(pb, "tkhd");
1226 avio_w8(pb, version);
1227 avio_wb24(pb, 0xf); /* flags (track enabled) */
1229 avio_wb64(pb, track->time);
1230 avio_wb64(pb, track->time);
1232 avio_wb32(pb, track->time); /* creation time */
1233 avio_wb32(pb, track->time); /* modification time */
1235 avio_wb32(pb, track->trackID); /* track-id */
1236 avio_wb32(pb, 0); /* reserved */
1237 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
1239 avio_wb32(pb, 0); /* reserved */
1240 avio_wb32(pb, 0); /* reserved */
1241 avio_wb16(pb, 0); /* layer */
1242 avio_wb16(pb, st ? st->codec->codec_type : 0); /* alternate group) */
1243 /* Volume, only for audio */
1244 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1245 avio_wb16(pb, 0x0100);
1248 avio_wb16(pb, 0); /* reserved */
1250 /* Matrix structure */
1251 avio_wb32(pb, 0x00010000); /* reserved */
1252 avio_wb32(pb, 0x0); /* reserved */
1253 avio_wb32(pb, 0x0); /* reserved */
1254 avio_wb32(pb, 0x0); /* reserved */
1255 avio_wb32(pb, 0x00010000); /* reserved */
1256 avio_wb32(pb, 0x0); /* reserved */
1257 avio_wb32(pb, 0x0); /* reserved */
1258 avio_wb32(pb, 0x0); /* reserved */
1259 avio_wb32(pb, 0x40000000); /* reserved */
1261 /* Track width and height, for visual only */
1262 if(st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1263 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
1264 if(track->mode == MODE_MOV) {
1265 avio_wb32(pb, track->enc->width << 16);
1266 avio_wb32(pb, track->height << 16);
1268 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1269 if(!sample_aspect_ratio || track->height != track->enc->height)
1270 sample_aspect_ratio = 1;
1271 avio_wb32(pb, sample_aspect_ratio * track->enc->width*0x10000);
1272 avio_wb32(pb, track->height*0x10000);
1282 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
1284 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
1285 track->enc->sample_aspect_ratio.den);
1287 int64_t pos = avio_tell(pb);
1289 avio_wb32(pb, 0); /* size */
1290 ffio_wfourcc(pb, "tapt");
1293 ffio_wfourcc(pb, "clef");
1295 avio_wb32(pb, width << 16);
1296 avio_wb32(pb, track->enc->height << 16);
1299 ffio_wfourcc(pb, "enof");
1301 avio_wb32(pb, track->enc->width << 16);
1302 avio_wb32(pb, track->enc->height << 16);
1304 return updateSize(pb, pos);
1307 // This box seems important for the psp playback ... without it the movie seems to hang
1308 static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track)
1310 int64_t duration = av_rescale_rnd(track->trackDuration, MOV_TIMESCALE,
1311 track->timescale, AV_ROUND_UP);
1312 int version = duration < INT32_MAX ? 0 : 1;
1313 int entry_size, entry_count, size;
1314 int64_t delay, start_ct = track->cluster[0].cts;
1315 delay = av_rescale_rnd(track->cluster[0].dts + start_ct, MOV_TIMESCALE,
1316 track->timescale, AV_ROUND_DOWN);
1317 version |= delay < INT32_MAX ? 0 : 1;
1319 entry_size = (version == 1) ? 20 : 12;
1320 entry_count = 1 + (delay > 0);
1321 size = 24 + entry_count * entry_size;
1323 /* write the atom data */
1324 avio_wb32(pb, size);
1325 ffio_wfourcc(pb, "edts");
1326 avio_wb32(pb, size - 8);
1327 ffio_wfourcc(pb, "elst");
1328 avio_w8(pb, version);
1329 avio_wb24(pb, 0); /* flags */
1331 avio_wb32(pb, entry_count);
1332 if (delay > 0) { /* add an empty edit to delay presentation */
1334 avio_wb64(pb, delay);
1337 avio_wb32(pb, delay);
1340 avio_wb32(pb, 0x00010000);
1345 avio_wb64(pb, duration);
1346 avio_wb64(pb, start_ct);
1348 avio_wb32(pb, duration);
1349 avio_wb32(pb, start_ct);
1351 avio_wb32(pb, 0x00010000);
1355 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
1357 avio_wb32(pb, 20); // size
1358 ffio_wfourcc(pb, "tref");
1359 avio_wb32(pb, 12); // size (subatom)
1360 avio_wl32(pb, track->tref_tag);
1361 avio_wb32(pb, track->tref_id);
1365 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1366 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
1368 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1369 ffio_wfourcc(pb, "uuid");
1370 ffio_wfourcc(pb, "USMT");
1371 avio_wb32(pb, 0x21d24fce);
1372 avio_wb32(pb, 0xbb88695c);
1373 avio_wb32(pb, 0xfac9c740);
1374 avio_wb32(pb, 0x1c); // another size here!
1375 ffio_wfourcc(pb, "MTDT");
1376 avio_wb32(pb, 0x00010012);
1377 avio_wb32(pb, 0x0a);
1378 avio_wb32(pb, 0x55c40000);
1384 static int mov_write_udta_sdp(AVIOContext *pb, AVFormatContext *ctx, int index)
1386 char buf[1000] = "";
1389 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0]->codec, NULL, NULL, 0, 0, ctx);
1390 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", index);
1393 avio_wb32(pb, len + 24);
1394 ffio_wfourcc(pb, "udta");
1395 avio_wb32(pb, len + 16);
1396 ffio_wfourcc(pb, "hnti");
1397 avio_wb32(pb, len + 8);
1398 ffio_wfourcc(pb, "sdp ");
1399 avio_write(pb, buf, len);
1403 static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track, AVStream *st)
1405 int64_t pos = avio_tell(pb);
1406 avio_wb32(pb, 0); /* size */
1407 ffio_wfourcc(pb, "trak");
1408 mov_write_tkhd_tag(pb, track, st);
1409 if(!mov->fragments) // EDTS with fragments is tricky as we dont know the duration when its written
1410 mov_write_edts_tag(pb, track); // PSP Movies and several other cases require edts box
1411 if (track->tref_tag)
1412 mov_write_tref_tag(pb, track);
1413 mov_write_mdia_tag(pb, track);
1414 if (track->mode == MODE_PSP)
1415 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
1416 if (track->tag == MKTAG('r','t','p',' '))
1417 mov_write_udta_sdp(pb, track->rtp_ctx, track->trackID);
1418 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && track->mode == MODE_MOV) {
1419 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1420 if (0.0 != sample_aspect_ratio && 1.0 != sample_aspect_ratio)
1421 mov_write_tapt_tag(pb, track);
1423 return updateSize(pb, pos);
1426 static int mov_write_tfhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1428 int64_t pos = avio_tell(pb);
1432 ffio_wfourcc(pb, "tfhd");
1434 avio_wb24(pb, flags);
1435 avio_wb32(pb, track->trackID);
1437 track->base_data_offset_pos= avio_tell(pb);
1438 if (flags & 0x01) avio_wb64(pb, 0);
1440 return updateSize(pb, pos);
1443 static int mov_write_trun_tag(AVIOContext *pb, MOVTrack *track)
1445 int64_t pos = avio_tell(pb);
1446 int sample_count= track->entry - track->cluster_write_index;
1450 tr_flags |= 0xF00; //FIXME
1453 ffio_wfourcc(pb, "trun");
1455 avio_wb24(pb, tr_flags);
1456 avio_wb32(pb, sample_count);
1457 if(tr_flags&1) avio_wb32(pb, 0);
1459 for(i=track->cluster_write_index; i<track->entry; i++){
1460 int64_t duration = i + 1 == track->entry ?
1461 track->trackDuration - track->cluster[i].dts + track->cluster[0].dts : /* readjusting */
1462 track->cluster[i+1].dts - track->cluster[i].dts;
1464 if(tr_flags&0x100) avio_wb32(pb, duration);
1465 if(tr_flags&0x200) avio_wb32(pb, track->cluster[i].size);
1466 if(tr_flags&0x400) avio_wb32(pb, (track->cluster[i].flags&MOV_SYNC_SAMPLE) ? 0x02000000 : 0x01010000);
1467 if(tr_flags&0x800) avio_wb32(pb, track->cluster[i].cts);
1470 return updateSize(pb, pos);
1473 static int mov_write_traf_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1475 int64_t pos = avio_tell(pb);
1476 avio_wb32(pb, 0); /* size */
1477 ffio_wfourcc(pb, "traf");
1478 mov_write_tfhd_tag(pb, track, st);
1479 mov_write_trun_tag(pb, track);
1480 return updateSize(pb, pos);
1484 /* TODO: Not sorted out, but not necessary either */
1485 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
1487 avio_wb32(pb, 0x15); /* size */
1488 ffio_wfourcc(pb, "iods");
1489 avio_wb32(pb, 0); /* version & flags */
1490 avio_wb16(pb, 0x1007);
1492 avio_wb16(pb, 0x4fff);
1493 avio_wb16(pb, 0xfffe);
1494 avio_wb16(pb, 0x01ff);
1499 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
1501 int maxTrackID = 1, i;
1502 int64_t maxTrackLenTemp, maxTrackLen = 0;
1505 for (i=0; i<mov->nb_streams; i++) {
1506 if(mov->tracks[i].entry > 0) {
1507 maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration,
1509 mov->tracks[i].timescale,
1511 if(maxTrackLen < maxTrackLenTemp)
1512 maxTrackLen = maxTrackLenTemp;
1513 if(maxTrackID < mov->tracks[i].trackID)
1514 maxTrackID = mov->tracks[i].trackID;
1518 version = maxTrackLen < UINT32_MAX ? 0 : 1;
1519 (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
1520 ffio_wfourcc(pb, "mvhd");
1521 avio_w8(pb, version);
1522 avio_wb24(pb, 0); /* flags */
1524 avio_wb64(pb, mov->time);
1525 avio_wb64(pb, mov->time);
1527 avio_wb32(pb, mov->time); /* creation time */
1528 avio_wb32(pb, mov->time); /* modification time */
1530 avio_wb32(pb, MOV_TIMESCALE);
1531 (version == 1) ? avio_wb64(pb, maxTrackLen) : avio_wb32(pb, maxTrackLen); /* duration of longest track */
1533 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1534 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1535 avio_wb16(pb, 0); /* reserved */
1536 avio_wb32(pb, 0); /* reserved */
1537 avio_wb32(pb, 0); /* reserved */
1539 /* Matrix structure */
1540 avio_wb32(pb, 0x00010000); /* reserved */
1541 avio_wb32(pb, 0x0); /* reserved */
1542 avio_wb32(pb, 0x0); /* reserved */
1543 avio_wb32(pb, 0x0); /* reserved */
1544 avio_wb32(pb, 0x00010000); /* reserved */
1545 avio_wb32(pb, 0x0); /* reserved */
1546 avio_wb32(pb, 0x0); /* reserved */
1547 avio_wb32(pb, 0x0); /* reserved */
1548 avio_wb32(pb, 0x40000000); /* reserved */
1550 avio_wb32(pb, 0); /* reserved (preview time) */
1551 avio_wb32(pb, 0); /* reserved (preview duration) */
1552 avio_wb32(pb, 0); /* reserved (poster time) */
1553 avio_wb32(pb, 0); /* reserved (selection time) */
1554 avio_wb32(pb, 0); /* reserved (selection duration) */
1555 avio_wb32(pb, 0); /* reserved (current time) */
1556 avio_wb32(pb, maxTrackID+1); /* Next track id */
1560 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
1563 avio_wb32(pb, 33); /* size */
1564 ffio_wfourcc(pb, "hdlr");
1567 ffio_wfourcc(pb, "mdir");
1568 ffio_wfourcc(pb, "appl");
1575 /* helper function to write a data tag with the specified string as data */
1576 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
1579 int size = 16 + strlen(data);
1580 avio_wb32(pb, size); /* size */
1581 ffio_wfourcc(pb, "data");
1584 avio_write(pb, data, strlen(data));
1588 lang = ff_mov_iso639_to_lang("und", 1);
1589 avio_wb16(pb, strlen(data)); /* string length */
1590 avio_wb16(pb, lang);
1591 avio_write(pb, data, strlen(data));
1592 return strlen(data) + 4;
1596 static int mov_write_string_tag(AVIOContext *pb, const char *name, const char *value, int lang, int long_style){
1598 if (value && value[0]) {
1599 int64_t pos = avio_tell(pb);
1600 avio_wb32(pb, 0); /* size */
1601 ffio_wfourcc(pb, name);
1602 mov_write_string_data_tag(pb, value, lang, long_style);
1603 size= updateSize(pb, pos);
1608 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
1609 const char *name, const char *tag,
1612 int l, lang = 0, len, len2;
1613 AVDictionaryEntry *t, *t2 = NULL;
1616 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
1619 len = strlen(t->key);
1620 snprintf(tag2, sizeof(tag2), "%s-", tag);
1621 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
1622 len2 = strlen(t2->key);
1623 if (len2 == len+4 && !strcmp(t->value, t2->value)
1624 && (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 1)) >= 0) {
1629 return mov_write_string_tag(pb, name, t->value, lang, long_style);
1632 /* iTunes track number */
1633 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
1636 AVDictionaryEntry *t = av_dict_get(s->metadata, "track", NULL, 0);
1637 int size = 0, track = t ? atoi(t->value) : 0;
1639 avio_wb32(pb, 32); /* size */
1640 ffio_wfourcc(pb, "trkn");
1641 avio_wb32(pb, 24); /* size */
1642 ffio_wfourcc(pb, "data");
1643 avio_wb32(pb, 0); // 8 bytes empty
1645 avio_wb16(pb, 0); // empty
1646 avio_wb16(pb, track); // track number
1647 avio_wb16(pb, 0); // total track number
1648 avio_wb16(pb, 0); // empty
1654 /* iTunes meta data list */
1655 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
1658 int64_t pos = avio_tell(pb);
1659 avio_wb32(pb, 0); /* size */
1660 ffio_wfourcc(pb, "ilst");
1661 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
1662 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
1663 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
1664 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
1665 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
1666 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
1667 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
1668 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
1669 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
1670 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
1671 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
1672 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
1673 mov_write_string_metadata(s, pb, "desc", "description",1);
1674 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
1675 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
1676 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
1677 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
1678 mov_write_trkn_tag(pb, mov, s);
1679 return updateSize(pb, pos);
1682 /* iTunes meta data tag */
1683 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
1687 int64_t pos = avio_tell(pb);
1688 avio_wb32(pb, 0); /* size */
1689 ffio_wfourcc(pb, "meta");
1691 mov_write_itunes_hdlr_tag(pb, mov, s);
1692 mov_write_ilst_tag(pb, mov, s);
1693 size = updateSize(pb, pos);
1697 static int utf8len(const uint8_t *b)
1702 GET_UTF8(val, *b++, return -1;)
1708 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
1712 GET_UTF8(val, *b++, return -1;)
1715 avio_wb16(pb, 0x00);
1719 static uint16_t language_code(const char *str)
1721 return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
1724 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
1725 const char *tag, const char *str)
1727 int64_t pos = avio_tell(pb);
1728 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
1729 if (!t || !utf8len(t->value))
1731 avio_wb32(pb, 0); /* size */
1732 ffio_wfourcc(pb, tag); /* type */
1733 avio_wb32(pb, 0); /* version + flags */
1734 if (!strcmp(tag, "yrrc"))
1735 avio_wb16(pb, atoi(t->value));
1737 avio_wb16(pb, language_code("eng")); /* language */
1738 avio_write(pb, t->value, strlen(t->value)+1); /* UTF8 string value */
1739 if (!strcmp(tag, "albm") &&
1740 (t = av_dict_get(s->metadata, "track", NULL, 0)))
1741 avio_w8(pb, atoi(t->value));
1743 return updateSize(pb, pos);
1746 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
1748 int64_t pos = avio_tell(pb);
1749 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
1751 avio_wb32(pb, 0); // size
1752 ffio_wfourcc(pb, "chpl");
1753 avio_wb32(pb, 0x01000000); // version + flags
1754 avio_wb32(pb, 0); // unknown
1755 avio_w8(pb, nb_chapters);
1757 for (i = 0; i < nb_chapters; i++) {
1758 AVChapter *c = s->chapters[i];
1759 AVDictionaryEntry *t;
1760 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
1762 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
1763 int len = FFMIN(strlen(t->value), 255);
1765 avio_write(pb, t->value, len);
1769 return updateSize(pb, pos);
1772 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
1775 AVIOContext *pb_buf;
1779 for (i = 0; i < s->nb_streams; i++)
1780 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
1784 ret = avio_open_dyn_buf(&pb_buf);
1788 if (mov->mode & MODE_3GP) {
1789 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
1790 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
1791 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
1792 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
1793 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
1794 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
1795 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
1796 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
1797 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
1798 mov_write_string_metadata(s, pb_buf, "\251ART", "artist" , 0);
1799 mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0);
1800 mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0);
1801 mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0);
1802 mov_write_string_metadata(s, pb_buf, "\251day", "date" , 0);
1803 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder" , 0);
1804 mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0);
1805 mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0);
1806 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0);
1808 /* iTunes meta data */
1809 mov_write_meta_tag(pb_buf, mov, s);
1813 mov_write_chpl_tag(pb_buf, s);
1815 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
1816 avio_wb32(pb, size+8);
1817 ffio_wfourcc(pb, "udta");
1818 avio_write(pb, buf, size);
1825 static void mov_write_psp_udta_tag(AVIOContext *pb,
1826 const char *str, const char *lang, int type)
1828 int len = utf8len(str)+1;
1831 avio_wb16(pb, len*2+10); /* size */
1832 avio_wb32(pb, type); /* type */
1833 avio_wb16(pb, language_code(lang)); /* language */
1834 avio_wb16(pb, 0x01); /* ? */
1835 ascii_to_wc(pb, str);
1838 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
1840 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
1844 pos = avio_tell(pb);
1845 avio_wb32(pb, 0); /* size placeholder*/
1846 ffio_wfourcc(pb, "uuid");
1847 ffio_wfourcc(pb, "USMT");
1848 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
1849 avio_wb32(pb, 0xbb88695c);
1850 avio_wb32(pb, 0xfac9c740);
1852 pos2 = avio_tell(pb);
1853 avio_wb32(pb, 0); /* size placeholder*/
1854 ffio_wfourcc(pb, "MTDT");
1858 avio_wb16(pb, 0x0C); /* size */
1859 avio_wb32(pb, 0x0B); /* type */
1860 avio_wb16(pb, language_code("und")); /* language */
1861 avio_wb16(pb, 0x0); /* ? */
1862 avio_wb16(pb, 0x021C); /* data */
1864 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
1865 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
1866 // 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);
1867 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
1869 updateSize(pb, pos2);
1870 return updateSize(pb, pos);
1876 static void build_chunks(MOVTrack *trk)
1879 MOVIentry *chunk= &trk->cluster[0];
1880 uint64_t chunkSize = chunk->size;
1883 for(i=1; i<trk->entry; i++){
1884 if(chunk->pos + chunkSize == trk->cluster[i].pos){
1885 chunkSize += trk->cluster[i].size;
1886 chunk->samplesInChunk += trk->cluster[i].entries;
1888 trk->cluster[i].chunkNum = chunk->chunkNum+1;
1889 chunk=&trk->cluster[i];
1890 chunkSize = chunk->size;
1896 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1898 int64_t pos = avio_tell(pb);
1899 avio_wb32(pb, 0); /* size */
1900 ffio_wfourcc(pb, "trex");
1904 avio_wb32(pb, track->trackID);
1905 avio_wb32(pb, 1); // stsd_id
1906 avio_wb32(pb, 1); // duration
1907 avio_wb32(pb, 1/*Size*/);
1908 avio_wb32(pb, 1<<16);
1909 return updateSize(pb, pos);
1912 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov,
1916 int64_t pos = avio_tell(pb);
1917 avio_wb32(pb, 0); /* size placeholder*/
1918 ffio_wfourcc(pb, "mvex");
1920 for (i=0; i<mov->nb_streams; i++) {
1921 if(mov->tracks[i].entry > 0) {
1922 mov_write_trex_tag(pb, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
1926 return updateSize(pb, pos);
1929 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
1933 int64_t pos = avio_tell(pb);
1934 avio_wb32(pb, 0); /* size placeholder*/
1935 ffio_wfourcc(pb, "moov");
1937 for (i=0; i<mov->nb_streams; i++) {
1938 if(mov->tracks[i].entry <= 0) continue;
1940 mov->tracks[i].time = mov->time;
1941 mov->tracks[i].trackID = i+1;
1943 build_chunks(&mov->tracks[i]);
1946 if (mov->chapter_track)
1947 for (i=0; i<s->nb_streams; i++) {
1948 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
1949 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].trackID;
1951 for (i = 0; i < mov->nb_streams; i++) {
1952 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
1953 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
1954 mov->tracks[i].tref_id =
1955 mov->tracks[mov->tracks[i].src_track].trackID;
1959 mov_write_mvhd_tag(pb, mov);
1960 //mov_write_iods_tag(pb, mov);
1961 for (i=0; i<mov->nb_streams; i++) {
1962 if(mov->tracks[i].entry > 0) {
1963 mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
1968 mov_write_mvex_tag(pb, mov, s);
1970 if (mov->mode == MODE_PSP)
1971 mov_write_uuidusmt_tag(pb, s);
1973 mov_write_udta_tag(pb, mov, s);
1975 return updateSize(pb, pos);
1978 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
1981 int64_t pos = avio_tell(pb);
1982 avio_wb32(pb, 0); /* size placeholder*/
1983 ffio_wfourcc(pb, "mfhd");
1985 avio_wb32(pb, mov->frag_seq_num++);
1987 return updateSize(pb, pos); //FIXME replace by hardcoded num also above
1990 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov,
1994 int64_t pos = avio_tell(pb);
1995 avio_wb32(pb, 0); /* size placeholder*/
1996 ffio_wfourcc(pb, "moof");
1998 mov_write_mfhd_tag(pb, mov);
1999 for (i=0; i<mov->nb_streams; i++) {
2000 if(mov->tracks[i].entry > 0) {
2001 mov_write_traf_tag(pb, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
2005 return updateSize(pb, pos);
2008 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
2010 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
2011 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
2013 mov->mdat_pos = avio_tell(pb);
2014 avio_wb32(pb, 0); /* size placeholder*/
2015 ffio_wfourcc(pb, "mdat");
2019 /* TODO: This needs to be more general */
2020 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
2022 MOVMuxContext *mov = s->priv_data;
2023 int64_t pos = avio_tell(pb);
2024 int has_h264 = 0, has_video = 0;
2028 for (i = 0; i < s->nb_streams; i++) {
2029 AVStream *st = s->streams[i];
2030 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2032 if (st->codec->codec_id == CODEC_ID_H264)
2036 avio_wb32(pb, 0); /* size */
2037 ffio_wfourcc(pb, "ftyp");
2039 if (mov->mode == MODE_3GP) {
2040 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
2041 minor = has_h264 ? 0x100 : 0x200;
2042 } else if (mov->mode & MODE_3G2) {
2043 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
2044 minor = has_h264 ? 0x20000 : 0x10000;
2045 }else if (mov->mode == MODE_PSP)
2046 ffio_wfourcc(pb, "MSNV");
2047 else if (mov->mode == MODE_MP4)
2048 ffio_wfourcc(pb, "isom");
2049 else if (mov->mode == MODE_IPOD)
2050 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
2052 ffio_wfourcc(pb, "qt ");
2054 avio_wb32(pb, minor);
2056 if(mov->mode == MODE_MOV)
2057 ffio_wfourcc(pb, "qt ");
2059 ffio_wfourcc(pb, "isom");
2060 ffio_wfourcc(pb, "iso2");
2062 ffio_wfourcc(pb, "avc1");
2065 if (mov->mode == MODE_3GP)
2066 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
2067 else if (mov->mode & MODE_3G2)
2068 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
2069 else if (mov->mode == MODE_PSP)
2070 ffio_wfourcc(pb, "MSNV");
2071 else if (mov->mode == MODE_MP4)
2072 ffio_wfourcc(pb, "mp41");
2073 return updateSize(pb, pos);
2076 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
2078 AVCodecContext *VideoCodec = s->streams[0]->codec;
2079 AVCodecContext *AudioCodec = s->streams[1]->codec;
2080 int AudioRate = AudioCodec->sample_rate;
2081 int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num);
2082 int audio_kbitrate= AudioCodec->bit_rate / 1000;
2083 int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate);
2085 avio_wb32(pb, 0x94); /* size */
2086 ffio_wfourcc(pb, "uuid");
2087 ffio_wfourcc(pb, "PROF");
2089 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2090 avio_wb32(pb, 0xbb88695c);
2091 avio_wb32(pb, 0xfac9c740);
2093 avio_wb32(pb, 0x0); /* ? */
2094 avio_wb32(pb, 0x3); /* 3 sections ? */
2096 avio_wb32(pb, 0x14); /* size */
2097 ffio_wfourcc(pb, "FPRF");
2098 avio_wb32(pb, 0x0); /* ? */
2099 avio_wb32(pb, 0x0); /* ? */
2100 avio_wb32(pb, 0x0); /* ? */
2102 avio_wb32(pb, 0x2c); /* size */
2103 ffio_wfourcc(pb, "APRF");/* audio */
2105 avio_wb32(pb, 0x2); /* TrackID */
2106 ffio_wfourcc(pb, "mp4a");
2107 avio_wb32(pb, 0x20f);
2109 avio_wb32(pb, audio_kbitrate);
2110 avio_wb32(pb, audio_kbitrate);
2111 avio_wb32(pb, AudioRate);
2112 avio_wb32(pb, AudioCodec->channels);
2114 avio_wb32(pb, 0x34); /* size */
2115 ffio_wfourcc(pb, "VPRF"); /* video */
2117 avio_wb32(pb, 0x1); /* TrackID */
2118 if (VideoCodec->codec_id == CODEC_ID_H264) {
2119 ffio_wfourcc(pb, "avc1");
2120 avio_wb16(pb, 0x014D);
2121 avio_wb16(pb, 0x0015);
2123 ffio_wfourcc(pb, "mp4v");
2124 avio_wb16(pb, 0x0000);
2125 avio_wb16(pb, 0x0103);
2128 avio_wb32(pb, video_kbitrate);
2129 avio_wb32(pb, video_kbitrate);
2130 avio_wb32(pb, FrameRate);
2131 avio_wb32(pb, FrameRate);
2132 avio_wb16(pb, VideoCodec->width);
2133 avio_wb16(pb, VideoCodec->height);
2134 avio_wb32(pb, 0x010001); /* ? */
2137 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
2140 int i, closed_gop = 0;
2142 for (i = 0; i < pkt->size - 4; i++) {
2143 c = (c<<8) + pkt->data[i];
2144 if (c == 0x1b8) { // gop
2145 closed_gop = pkt->data[i+4]>>6 & 0x01;
2146 } else if (c == 0x100) { // pic
2147 int temp_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
2148 if (!temp_ref || closed_gop) // I picture is not reordered
2149 *flags = MOV_SYNC_SAMPLE;
2151 *flags = MOV_PARTIAL_SYNC_SAMPLE;
2158 static int flush_cluster_buffer(AVFormatContext *s){
2159 MOVMuxContext *mov = s->priv_data;
2163 for (i=0; i<mov->nb_streams; i++){
2164 MOVTrack *track= &mov->tracks[i];
2165 if(track->entry != track->cluster_write_index)
2169 if(mov->frag_seq_num==0){
2170 update_first_fragment(s);
2171 mov->frag_seq_num++;
2172 }else if(has_data) {
2173 mov_write_moof_tag(s->pb, mov, s);
2174 mov_write_mdat_tag(s->pb, mov);
2175 for (i=0; i<mov->nb_streams; i++){
2176 MOVTrack *track= &mov->tracks[i];
2177 if(track->entry > 0) {
2178 int64_t pos= avio_tell(s->pb);
2179 avio_seek(s->pb, track->base_data_offset_pos, SEEK_SET);
2180 avio_wb64(s->pb, pos);
2181 avio_seek(s->pb, pos, SEEK_SET);
2182 for(j=track->cluster_write_index; j<track->entry; j++){
2183 avio_write(s->pb, track->cluster[j].data, track->cluster[j].size);
2184 av_freep(&track->cluster[j].data);
2188 updateSize(s->pb, mov->mdat_pos);
2191 for (i=0; i<mov->nb_streams; i++) {
2192 MOVTrack *track= &mov->tracks[i];
2193 track->cluster_write_index= track->entry;
2200 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
2202 MOVMuxContext *mov = s->priv_data;
2203 AVIOContext *pb = s->pb;
2204 MOVTrack *trk = &mov->tracks[pkt->stream_index];
2205 AVStream *st = s->streams[pkt->stream_index];
2206 AVCodecContext *enc = trk->enc;
2207 unsigned int samplesInChunk = 0;
2208 int size= pkt->size;
2209 uint8_t *reformatted_data = NULL;
2211 if (!s->pb->seekable) return 0; /* Can't handle that */
2212 if (!size) return 0; /* Discard 0 sized packets */
2214 if (mov->fragments && trk->entry > trk->cluster_write_index &&
2215 ( 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
2216 || mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size)
2218 flush_cluster_buffer(s);
2221 if (enc->codec_id == CODEC_ID_AMR_NB) {
2222 /* We must find out how many AMR blocks there are in one packet */
2223 static uint16_t packed_size[16] =
2224 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
2227 while (len < size && samplesInChunk < 100) {
2228 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
2231 if(samplesInChunk > 1){
2232 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
2235 } else if (trk->sampleSize)
2236 samplesInChunk = size/trk->sampleSize;
2240 /* copy extradata if it exists */
2241 if (trk->vosLen == 0 && enc->extradata_size > 0) {
2242 trk->vosLen = enc->extradata_size;
2243 trk->vosData = av_malloc(trk->vosLen);
2244 memcpy(trk->vosData, enc->extradata, trk->vosLen);
2247 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
2248 trk->cluster = av_realloc_f(trk->cluster, sizeof(*trk->cluster), (trk->entry + MOV_INDEX_CLUSTER_SIZE));
2253 if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) {
2254 /* from x264 or from bytestream h264 */
2255 /* nal reformating needed */
2256 if(mov->frag_seq_num>0){
2260 if(ff_avc_parse_nal_units_buf(pkt->data, &buf, &size) < 0){
2261 av_log(s, AV_LOG_ERROR, "malformated H264 bitstream\n");
2264 trk->cluster[trk->entry].data= buf;
2265 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
2266 reformatted_data= av_malloc(size);
2267 memcpy(reformatted_data, buf, size);
2269 }else if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
2270 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
2272 avio_write(pb, reformatted_data, size);
2274 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
2276 } else if (enc->codec_id == CODEC_ID_AAC && pkt->size > 2 &&
2277 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
2278 av_log(s, AV_LOG_ERROR, "malformated aac bitstream, use -absf aac_adtstoasc\n");
2280 } else if (mov->frag_seq_num>0){
2281 trk->cluster[trk->entry].data = av_malloc(size);
2282 if (!trk->cluster[trk->entry].data)
2283 return AVERROR(ENOMEM);
2284 memcpy(trk->cluster[trk->entry].data, pkt->data, size);
2286 avio_write(pb, pkt->data, size);
2289 if ((enc->codec_id == CODEC_ID_DNXHD ||
2290 enc->codec_id == CODEC_ID_AC3) && !trk->vosLen) {
2291 /* copy frame to create needed atoms */
2293 trk->vosData = av_malloc(size);
2295 return AVERROR(ENOMEM);
2296 memcpy(trk->vosData, pkt->data, size);
2299 trk->cluster[trk->entry].pos = avio_tell(pb) - (mov->frag_seq_num==0 ? size : 0);
2300 trk->cluster[trk->entry].samplesInChunk = samplesInChunk;
2301 trk->cluster[trk->entry].chunkNum = 0;
2302 trk->cluster[trk->entry].size = size;
2303 trk->cluster[trk->entry].entries = samplesInChunk;
2304 trk->cluster[trk->entry].dts = pkt->dts;
2305 trk->trackDuration = pkt->dts - trk->cluster[0].dts + pkt->duration;
2307 if (pkt->pts == AV_NOPTS_VALUE) {
2308 av_log(s, AV_LOG_WARNING, "pts has no value\n");
2309 pkt->pts = pkt->dts;
2311 if (pkt->dts != pkt->pts)
2312 trk->flags |= MOV_TRACK_CTTS;
2313 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
2314 trk->cluster[trk->entry].flags = 0;
2315 if (pkt->flags & AV_PKT_FLAG_KEY) {
2316 if (mov->mode == MODE_MOV && enc->codec_id == CODEC_ID_MPEG2VIDEO &&
2317 trk->entry > 0) { // force sync sample for the first key frame
2318 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
2319 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
2320 trk->flags |= MOV_TRACK_STPS;
2322 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
2324 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
2325 trk->hasKeyframes++;
2328 trk->sampleCount += samplesInChunk;
2329 mov->mdat_size += size;
2333 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
2334 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
2335 reformatted_data, size);
2336 av_free(reformatted_data);
2340 // QuickTime chapters involve an additional text track with the chapter names
2341 // as samples, and a tref pointing from the other tracks to the chapter one.
2342 static void mov_create_chapter_track(AVFormatContext *s, int tracknum)
2344 MOVMuxContext *mov = s->priv_data;
2345 MOVTrack *track = &mov->tracks[tracknum];
2346 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
2349 track->mode = mov->mode;
2350 track->tag = MKTAG('t','e','x','t');
2351 track->timescale = MOV_TIMESCALE;
2352 track->enc = avcodec_alloc_context3(NULL);
2353 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
2355 for (i = 0; i < s->nb_chapters; i++) {
2356 AVChapter *c = s->chapters[i];
2357 AVDictionaryEntry *t;
2359 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
2360 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
2361 pkt.duration = end - pkt.dts;
2363 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
2364 len = strlen(t->value);
2366 pkt.data = av_malloc(pkt.size);
2367 AV_WB16(pkt.data, len);
2368 memcpy(pkt.data+2, t->value, len);
2369 ff_mov_write_packet(s, &pkt);
2370 av_freep(&pkt.data);
2375 static int mov_write_header(AVFormatContext *s)
2377 AVIOContext *pb = s->pb;
2378 MOVMuxContext *mov = s->priv_data;
2379 AVDictionaryEntry *t;
2380 int i, hint_track = 0;
2382 if (!s->pb->seekable) {
2383 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
2387 /* Default mode == MP4 */
2388 mov->mode = MODE_MP4;
2390 if(mov->max_fragment_duration || mov->max_fragment_size){
2394 if (s->oformat != NULL) {
2395 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
2396 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
2397 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
2398 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
2399 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
2401 mov_write_ftyp_tag(pb,s);
2402 if (mov->mode == MODE_PSP) {
2403 if (s->nb_streams != 2) {
2404 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
2407 mov_write_uuidprof_tag(pb,s);
2411 mov->nb_streams = s->nb_streams;
2412 if (mov->mode & (MODE_MOV|MODE_IPOD) && s->nb_chapters)
2413 mov->chapter_track = mov->nb_streams++;
2415 #if FF_API_FLAG_RTP_HINT
2416 if (s->flags & AVFMT_FLAG_RTP_HINT) {
2417 av_log(s, AV_LOG_WARNING, "The RTP_HINT flag is deprecated, enable it "
2418 "via the -movflags rtphint muxer option "
2420 mov->flags |= FF_MOV_FLAG_RTP_HINT;
2423 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
2424 /* Add hint tracks for each audio and video stream */
2425 hint_track = mov->nb_streams;
2426 for (i = 0; i < s->nb_streams; i++) {
2427 AVStream *st = s->streams[i];
2428 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2429 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
2435 mov->tracks = av_mallocz(mov->nb_streams*sizeof(*mov->tracks));
2437 return AVERROR(ENOMEM);
2439 for(i=0; i<s->nb_streams; i++){
2440 AVStream *st= s->streams[i];
2441 MOVTrack *track= &mov->tracks[i];
2442 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
2444 track->enc = st->codec;
2445 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
2446 if (track->language < 0)
2447 track->language = 0;
2448 track->mode = mov->mode;
2449 track->tag = mov_find_codec_tag(s, track);
2451 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
2452 "codec not currently supported in container\n", i);
2455 /* If hinting of this track is enabled by a later hint track,
2456 * this is updated. */
2457 track->hint_track = -1;
2458 if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
2459 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
2460 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
2461 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
2462 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
2463 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
2466 track->height = track->tag>>24 == 'n' ? 486 : 576;
2468 track->timescale = st->codec->time_base.den;
2469 if (track->mode == MODE_MOV && track->timescale > 100000)
2470 av_log(s, AV_LOG_WARNING,
2471 "WARNING codec timebase is very high. If duration is too long,\n"
2472 "file may not be playable by quicktime. Specify a shorter timebase\n"
2473 "or choose different container.\n");
2474 }else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
2475 track->timescale = st->codec->sample_rate;
2476 /* set sampleSize for PCM and ADPCM */
2477 if (av_get_bits_per_sample(st->codec->codec_id)) {
2478 if (!st->codec->block_align) {
2479 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set\n", i);
2482 track->sampleSize = st->codec->block_align;
2484 /* set audio_vbr for compressed audio */
2485 if (av_get_bits_per_sample(st->codec->codec_id) < 8) {
2486 if (!st->codec->frame_size) {
2487 av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
2490 track->audio_vbr = 1;
2492 if (track->mode != MODE_MOV) {
2493 if (track->timescale > UINT16_MAX) {
2494 av_log(s, AV_LOG_ERROR, "track %d: output format does not support "
2495 "sample rate %dhz\n", i, track->timescale);
2498 if (track->enc->codec_id == CODEC_ID_MP3 && track->timescale < 16000) {
2499 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
2500 i, track->enc->sample_rate);
2504 }else if(st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE){
2505 track->timescale = st->codec->time_base.den;
2508 track->height = st->codec->height;
2510 avpriv_set_pts_info(st, 64, 1, track->timescale);
2513 if(mov->reserved_moov_size){
2514 mov->reserved_moov_pos= avio_tell(pb);
2515 avio_skip(pb, mov->reserved_moov_size);
2518 mov_write_mdat_tag(pb, mov);
2520 #if FF_API_TIMESTAMP
2522 mov->time = s->timestamp;
2525 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
2526 mov->time = ff_iso8601_to_unix_time(t->value);
2527 mov->time += 0x7C25B080; //1970 based -> 1904 based
2529 if (mov->chapter_track)
2530 mov_create_chapter_track(s, mov->chapter_track);
2532 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
2533 /* Initialize the hint tracks for each audio and video stream */
2534 for (i = 0; i < s->nb_streams; i++) {
2535 AVStream *st = s->streams[i];
2536 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2537 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
2538 ff_mov_init_hinting(s, hint_track, i);
2548 av_freep(&mov->tracks);
2552 static int update_first_fragment(AVFormatContext *s)
2554 MOVMuxContext *mov = s->priv_data;
2555 AVIOContext *pb = s->pb;
2559 int64_t moov_pos = avio_tell(pb);
2561 /* Write size of mdat tag */
2562 if (mov->mdat_size+8 <= UINT32_MAX) {
2563 avio_seek(pb, mov->mdat_pos, SEEK_SET);
2564 avio_wb32(pb, mov->mdat_size+8);
2566 /* overwrite 'wide' placeholder atom */
2567 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
2568 avio_wb32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */
2569 ffio_wfourcc(pb, "mdat");
2570 avio_wb64(pb, mov->mdat_size+16);
2572 avio_seek(pb, mov->reserved_moov_size ? mov->reserved_moov_pos : moov_pos, SEEK_SET);
2574 mov_write_moov_tag(pb, mov, s);
2575 if(mov->reserved_moov_size){
2576 int64_t size= mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_moov_pos);
2578 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %Ld additional\n", 8-size);
2581 avio_wb32(pb, size);
2582 ffio_wfourcc(pb, "free");
2583 for(i=0; i<size; i++)
2585 avio_seek(pb, moov_pos, SEEK_SET);
2591 static int mov_write_trailer(AVFormatContext *s)
2593 MOVMuxContext *mov = s->priv_data;
2594 AVIOContext *pb = s->pb;
2598 flush_cluster_buffer(s);
2600 if (mov->chapter_track)
2601 av_freep(&mov->tracks[mov->chapter_track].enc);
2603 for (i=0; i<mov->nb_streams; i++) {
2604 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
2605 ff_mov_close_hinting(&mov->tracks[i]);
2606 av_freep(&mov->tracks[i].cluster);
2608 if(mov->tracks[i].vosLen) av_free(mov->tracks[i].vosData);
2614 av_freep(&mov->tracks);
2619 #if CONFIG_MOV_MUXER
2621 AVOutputFormat ff_mov_muxer = {
2623 .long_name = NULL_IF_CONFIG_SMALL("MOV format"),
2624 .extensions = "mov",
2625 .priv_data_size = sizeof(MOVMuxContext),
2626 .audio_codec = CODEC_ID_AAC,
2627 #if CONFIG_LIBX264_ENCODER
2628 .video_codec = CODEC_ID_H264,
2630 .video_codec = CODEC_ID_MPEG4,
2632 .write_header = mov_write_header,
2633 .write_packet = ff_mov_write_packet,
2634 .write_trailer = mov_write_trailer,
2635 .flags = AVFMT_GLOBALHEADER,
2636 .codec_tag = (const AVCodecTag* const []){codec_movvideo_tags, codec_movaudio_tags, 0},
2637 .priv_class = &mov_muxer_class,
2640 #if CONFIG_TGP_MUXER
2642 AVOutputFormat ff_tgp_muxer = {
2644 .long_name = NULL_IF_CONFIG_SMALL("3GP format"),
2645 .extensions = "3gp",
2646 .priv_data_size = sizeof(MOVMuxContext),
2647 .audio_codec = CODEC_ID_AMR_NB,
2648 .video_codec = CODEC_ID_H263,
2649 .write_header = mov_write_header,
2650 .write_packet = ff_mov_write_packet,
2651 .write_trailer = mov_write_trailer,
2652 .flags = AVFMT_GLOBALHEADER,
2653 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
2654 .priv_class = &tgp_muxer_class,
2657 #if CONFIG_MP4_MUXER
2659 AVOutputFormat ff_mp4_muxer = {
2661 .long_name = NULL_IF_CONFIG_SMALL("MP4 format"),
2662 .mime_type = "application/mp4",
2663 .extensions = "mp4",
2664 .priv_data_size = sizeof(MOVMuxContext),
2665 .audio_codec = CODEC_ID_AAC,
2666 #if CONFIG_LIBX264_ENCODER
2667 .video_codec = CODEC_ID_H264,
2669 .video_codec = CODEC_ID_MPEG4,
2671 .write_header = mov_write_header,
2672 .write_packet = ff_mov_write_packet,
2673 .write_trailer = mov_write_trailer,
2674 .flags = AVFMT_GLOBALHEADER,
2675 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
2676 .priv_class = &mp4_muxer_class,
2679 #if CONFIG_PSP_MUXER
2681 AVOutputFormat ff_psp_muxer = {
2683 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 format"),
2684 .extensions = "mp4,psp",
2685 .priv_data_size = sizeof(MOVMuxContext),
2686 .audio_codec = CODEC_ID_AAC,
2687 #if CONFIG_LIBX264_ENCODER
2688 .video_codec = CODEC_ID_H264,
2690 .video_codec = CODEC_ID_MPEG4,
2692 .write_header = mov_write_header,
2693 .write_packet = ff_mov_write_packet,
2694 .write_trailer = mov_write_trailer,
2695 .flags = AVFMT_GLOBALHEADER,
2696 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
2697 .priv_class = &psp_muxer_class,
2700 #if CONFIG_TG2_MUXER
2702 AVOutputFormat ff_tg2_muxer = {
2704 .long_name = NULL_IF_CONFIG_SMALL("3GP2 format"),
2705 .extensions = "3g2",
2706 .priv_data_size = sizeof(MOVMuxContext),
2707 .audio_codec = CODEC_ID_AMR_NB,
2708 .video_codec = CODEC_ID_H263,
2709 .write_header = mov_write_header,
2710 .write_packet = ff_mov_write_packet,
2711 .write_trailer = mov_write_trailer,
2712 .flags = AVFMT_GLOBALHEADER,
2713 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
2714 .priv_class = &tg2_muxer_class,
2717 #if CONFIG_IPOD_MUXER
2719 AVOutputFormat ff_ipod_muxer = {
2721 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"),
2722 .mime_type = "application/mp4",
2723 .extensions = "m4v,m4a",
2724 .priv_data_size = sizeof(MOVMuxContext),
2725 .audio_codec = CODEC_ID_AAC,
2726 .video_codec = CODEC_ID_H264,
2727 .write_header = mov_write_header,
2728 .write_packet = ff_mov_write_packet,
2729 .write_trailer = mov_write_trailer,
2730 .flags = AVFMT_GLOBALHEADER,
2731 .codec_tag = (const AVCodecTag* const []){codec_ipod_tags, 0},
2732 .priv_class = &ipod_muxer_class,