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 FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
52 #define MOV_CLASS(flavor)\
53 static const AVClass flavor ## _muxer_class = {\
54 .class_name = #flavor " muxer",\
55 .item_name = av_default_item_name,\
57 .version = LIBAVUTIL_VERSION_INT,\
60 //FIXME support 64 bit variant with wide placeholders
61 static int64_t updateSize(AVIOContext *pb, int64_t pos)
63 int64_t curpos = avio_tell(pb);
64 avio_seek(pb, pos, SEEK_SET);
65 avio_wb32(pb, curpos - pos); /* rewrite size */
66 avio_seek(pb, curpos, SEEK_SET);
71 /* Chunk offset atom */
72 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
75 int mode64 = 0; // use 32 bit size variant if possible
76 int64_t pos = avio_tell(pb);
77 avio_wb32(pb, 0); /* size */
78 if (pos > UINT32_MAX) {
80 ffio_wfourcc(pb, "co64");
82 ffio_wfourcc(pb, "stco");
83 avio_wb32(pb, 0); /* version & flags */
84 avio_wb32(pb, track->chunkCount); /* entry count */
85 for (i=0; i<track->entry; i++) {
86 if(!track->cluster[i].chunkNum)
89 avio_wb64(pb, track->cluster[i].pos);
91 avio_wb32(pb, track->cluster[i].pos);
93 return updateSize(pb, pos);
96 /* Sample size atom */
97 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
100 int i, j, entries = 0, tst = -1, oldtst = -1;
102 int64_t pos = avio_tell(pb);
103 avio_wb32(pb, 0); /* size */
104 ffio_wfourcc(pb, "stsz");
105 avio_wb32(pb, 0); /* version & flags */
107 for (i=0; i<track->entry; i++) {
108 tst = track->cluster[i].size/track->cluster[i].entries;
109 if(oldtst != -1 && tst != oldtst) {
113 entries += track->cluster[i].entries;
116 int sSize = track->cluster[0].size/track->cluster[0].entries;
117 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
118 avio_wb32(pb, sSize); // sample size
119 avio_wb32(pb, entries); // sample count
122 avio_wb32(pb, 0); // sample size
123 avio_wb32(pb, entries); // sample count
124 for (i=0; i<track->entry; i++) {
125 for (j=0; j<track->cluster[i].entries; j++) {
126 avio_wb32(pb, track->cluster[i].size /
127 track->cluster[i].entries);
131 return updateSize(pb, pos);
134 /* Sample to chunk atom */
135 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
137 int index = 0, oldval = -1, i;
138 int64_t entryPos, curpos;
140 int64_t pos = avio_tell(pb);
141 avio_wb32(pb, 0); /* size */
142 ffio_wfourcc(pb, "stsc");
143 avio_wb32(pb, 0); // version & flags
144 entryPos = avio_tell(pb);
145 avio_wb32(pb, track->chunkCount); // entry count
146 for (i=0; i<track->entry; i++) {
147 if(oldval != track->cluster[i].samplesInChunk && track->cluster[i].chunkNum)
149 avio_wb32(pb, track->cluster[i].chunkNum); // first chunk
150 avio_wb32(pb, track->cluster[i].samplesInChunk); // samples per chunk
151 avio_wb32(pb, 0x1); // sample description index
152 oldval = track->cluster[i].samplesInChunk;
156 curpos = avio_tell(pb);
157 avio_seek(pb, entryPos, SEEK_SET);
158 avio_wb32(pb, index); // rewrite size
159 avio_seek(pb, curpos, SEEK_SET);
161 return updateSize(pb, pos);
164 /* Sync sample atom */
165 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
167 int64_t curpos, entryPos;
169 int64_t pos = avio_tell(pb);
170 avio_wb32(pb, 0); // size
171 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
172 avio_wb32(pb, 0); // version & flags
173 entryPos = avio_tell(pb);
174 avio_wb32(pb, track->entry); // entry count
175 for (i=0; i<track->entry; i++) {
176 if (track->cluster[i].flags & flag) {
181 curpos = avio_tell(pb);
182 avio_seek(pb, entryPos, SEEK_SET);
183 avio_wb32(pb, index); // rewrite size
184 avio_seek(pb, curpos, SEEK_SET);
185 return updateSize(pb, pos);
188 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
190 avio_wb32(pb, 0x11); /* size */
191 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
192 else ffio_wfourcc(pb, "damr");
193 ffio_wfourcc(pb, "FFMP");
194 avio_w8(pb, 0); /* decoder version */
196 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
197 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
198 avio_w8(pb, 0x01); /* Frames per sample */
202 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
207 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
209 if (track->vosLen < 7)
213 ffio_wfourcc(pb, "dac3");
215 init_get_bits(&gbc, track->vosData+4, (track->vosLen-4) * 8);
216 fscod = get_bits(&gbc, 2);
217 frmsizecod = get_bits(&gbc, 6);
218 bsid = get_bits(&gbc, 5);
219 bsmod = get_bits(&gbc, 3);
220 acmod = get_bits(&gbc, 3);
222 skip_bits(&gbc, 2); // dsurmod
224 if ((acmod & 1) && acmod != 1)
225 skip_bits(&gbc, 2); // cmixlev
227 skip_bits(&gbc, 2); // surmixlev
229 lfeon = get_bits1(&gbc);
231 init_put_bits(&pbc, buf, sizeof(buf));
232 put_bits(&pbc, 2, fscod);
233 put_bits(&pbc, 5, bsid);
234 put_bits(&pbc, 3, bsmod);
235 put_bits(&pbc, 3, acmod);
236 put_bits(&pbc, 1, lfeon);
237 put_bits(&pbc, 5, frmsizecod>>1); // bit_rate_code
238 put_bits(&pbc, 5, 0); // reserved
240 flush_put_bits(&pbc);
241 avio_write(pb, buf, sizeof(buf));
247 * This function writes extradata "as is".
248 * Extradata must be formated like a valid atom (with size and tag)
250 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
252 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
253 return track->enc->extradata_size;
256 static int mov_write_enda_tag(AVIOContext *pb)
259 ffio_wfourcc(pb, "enda");
260 avio_wb16(pb, 1); /* little endian */
264 static void putDescr(AVIOContext *pb, int tag, unsigned int size)
269 avio_w8(pb, (size>>(7*i)) | 0x80);
270 avio_w8(pb, size & 0x7F);
273 static unsigned compute_avg_bitrate(MOVTrack *track)
277 for (i = 0; i < track->entry; i++)
278 size += track->cluster[i].size;
279 return size * 8 * track->timescale / track->trackDuration;
282 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
284 int64_t pos = avio_tell(pb);
285 int decoderSpecificInfoLen = track->vosLen ? 5+track->vosLen : 0;
286 unsigned avg_bitrate;
288 avio_wb32(pb, 0); // size
289 ffio_wfourcc(pb, "esds");
290 avio_wb32(pb, 0); // Version
293 putDescr(pb, 0x03, 3 + 5+13 + decoderSpecificInfoLen + 5+1);
294 avio_wb16(pb, track->trackID);
295 avio_w8(pb, 0x00); // flags (= no flags)
297 // DecoderConfig descriptor
298 putDescr(pb, 0x04, 13 + decoderSpecificInfoLen);
300 // Object type indication
301 if ((track->enc->codec_id == CODEC_ID_MP2 ||
302 track->enc->codec_id == CODEC_ID_MP3) &&
303 track->enc->sample_rate > 24000)
304 avio_w8(pb, 0x6B); // 11172-3
306 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
308 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
309 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
310 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
311 avio_w8(pb, 0x15); // flags (= Audiostream)
313 avio_w8(pb, 0x11); // flags (= Visualstream)
315 avio_w8(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits)
316 avio_wb16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB
318 avg_bitrate = compute_avg_bitrate(track);
319 // maxbitrate (FIXME should be max rate in any 1 sec window)
320 avio_wb32(pb, FFMAX3(track->enc->bit_rate, track->enc->rc_max_rate, avg_bitrate));
321 avio_wb32(pb, avg_bitrate);
324 // DecoderSpecific info descriptor
325 putDescr(pb, 0x05, track->vosLen);
326 avio_write(pb, track->vosData, track->vosLen);
330 putDescr(pb, 0x06, 1);
332 return updateSize(pb, pos);
335 static int mov_pcm_le_gt16(enum CodecID codec_id)
337 return codec_id == CODEC_ID_PCM_S24LE ||
338 codec_id == CODEC_ID_PCM_S32LE ||
339 codec_id == CODEC_ID_PCM_F32LE ||
340 codec_id == CODEC_ID_PCM_F64LE;
343 static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
345 int64_t pos = avio_tell(pb);
347 avio_wl32(pb, track->tag); // store it byteswapped
348 track->enc->codec_tag = av_bswap16(track->tag >> 16);
349 ff_put_wav_header(pb, track->enc);
350 return updateSize(pb, pos);
353 static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
355 int64_t pos = avio_tell(pb);
357 avio_wb32(pb, 0); /* size */
358 ffio_wfourcc(pb, "wave");
360 avio_wb32(pb, 12); /* size */
361 ffio_wfourcc(pb, "frma");
362 avio_wl32(pb, track->tag);
364 if (track->enc->codec_id == CODEC_ID_AAC) {
365 /* useless atom needed by mplayer, ipod, not needed by quicktime */
366 avio_wb32(pb, 12); /* size */
367 ffio_wfourcc(pb, "mp4a");
369 mov_write_esds_tag(pb, track);
370 } else if (mov_pcm_le_gt16(track->enc->codec_id)) {
371 mov_write_enda_tag(pb);
372 } else if (track->enc->codec_id == CODEC_ID_AMR_NB) {
373 mov_write_amr_tag(pb, track);
374 } else if (track->enc->codec_id == CODEC_ID_AC3) {
375 mov_write_ac3_tag(pb, track);
376 } else if (track->enc->codec_id == CODEC_ID_ALAC) {
377 mov_write_extradata_tag(pb, track);
378 } else if (track->enc->codec_id == CODEC_ID_ADPCM_MS ||
379 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
380 mov_write_ms_tag(pb, track);
383 avio_wb32(pb, 8); /* size */
384 avio_wb32(pb, 0); /* null tag */
386 return updateSize(pb, pos);
389 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
391 avio_wb32(pb, track->vosLen+8);
392 ffio_wfourcc(pb, "glbl");
393 avio_write(pb, track->vosData, track->vosLen);
394 return 8+track->vosLen;
398 * Compute flags for 'lpcm' tag.
399 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
401 static int mov_get_lpcm_flags(enum CodecID codec_id)
404 case CODEC_ID_PCM_F32BE:
405 case CODEC_ID_PCM_F64BE:
407 case CODEC_ID_PCM_F32LE:
408 case CODEC_ID_PCM_F64LE:
410 case CODEC_ID_PCM_U8:
412 case CODEC_ID_PCM_S16BE:
413 case CODEC_ID_PCM_S24BE:
414 case CODEC_ID_PCM_S32BE:
416 case CODEC_ID_PCM_S8:
417 case CODEC_ID_PCM_S16LE:
418 case CODEC_ID_PCM_S24LE:
419 case CODEC_ID_PCM_S32LE:
426 static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
428 int64_t pos = avio_tell(pb);
430 uint32_t tag = track->tag;
432 if (track->mode == MODE_MOV) {
433 if (track->timescale > UINT16_MAX) {
434 if (mov_get_lpcm_flags(track->enc->codec_id))
435 tag = AV_RL32("lpcm");
437 } else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id) ||
438 track->enc->codec_id == CODEC_ID_ADPCM_MS ||
439 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
444 avio_wb32(pb, 0); /* size */
445 avio_wl32(pb, tag); // store it byteswapped
446 avio_wb32(pb, 0); /* Reserved */
447 avio_wb16(pb, 0); /* Reserved */
448 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
450 /* SoundDescription */
451 avio_wb16(pb, version); /* Version */
452 avio_wb16(pb, 0); /* Revision level */
453 avio_wb32(pb, 0); /* Reserved */
458 avio_wb16(pb, 0xfffe);
460 avio_wb32(pb, 0x00010000);
462 avio_wb64(pb, av_dbl2int(track->timescale));
463 avio_wb32(pb, track->enc->channels);
464 avio_wb32(pb, 0x7F000000);
465 avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
466 avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
467 avio_wb32(pb, track->sampleSize);
468 avio_wb32(pb, track->enc->frame_size);
470 if (track->mode == MODE_MOV) {
471 avio_wb16(pb, track->enc->channels);
472 if (track->enc->codec_id == CODEC_ID_PCM_U8 ||
473 track->enc->codec_id == CODEC_ID_PCM_S8)
474 avio_wb16(pb, 8); /* bits per sample */
477 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
478 } else { /* reserved for mp4/3gp */
484 avio_wb16(pb, 0); /* packet size (= 0) */
485 avio_wb16(pb, track->timescale); /* Time scale */
486 avio_wb16(pb, 0); /* Reserved */
489 if(version == 1) { /* SoundDescription V1 extended info */
490 avio_wb32(pb, track->enc->frame_size); /* Samples per packet */
491 avio_wb32(pb, track->sampleSize / track->enc->channels); /* Bytes per packet */
492 avio_wb32(pb, track->sampleSize); /* Bytes per frame */
493 avio_wb32(pb, 2); /* Bytes per sample */
496 if(track->mode == MODE_MOV &&
497 (track->enc->codec_id == CODEC_ID_AAC ||
498 track->enc->codec_id == CODEC_ID_AC3 ||
499 track->enc->codec_id == CODEC_ID_AMR_NB ||
500 track->enc->codec_id == CODEC_ID_ALAC ||
501 track->enc->codec_id == CODEC_ID_ADPCM_MS ||
502 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV ||
503 mov_pcm_le_gt16(track->enc->codec_id)))
504 mov_write_wave_tag(pb, track);
505 else if(track->tag == MKTAG('m','p','4','a'))
506 mov_write_esds_tag(pb, track);
507 else if(track->enc->codec_id == CODEC_ID_AMR_NB)
508 mov_write_amr_tag(pb, track);
509 else if(track->enc->codec_id == CODEC_ID_AC3)
510 mov_write_ac3_tag(pb, track);
511 else if(track->enc->codec_id == CODEC_ID_ALAC)
512 mov_write_extradata_tag(pb, track);
513 else if(track->vosLen > 0)
514 mov_write_glbl_tag(pb, track);
516 return updateSize(pb, pos);
519 static int mov_write_d263_tag(AVIOContext *pb)
521 avio_wb32(pb, 0xf); /* size */
522 ffio_wfourcc(pb, "d263");
523 ffio_wfourcc(pb, "FFMP");
524 avio_w8(pb, 0); /* decoder version */
525 /* FIXME use AVCodecContext level/profile, when encoder will set values */
526 avio_w8(pb, 0xa); /* level */
527 avio_w8(pb, 0); /* profile */
531 /* TODO: No idea about these values */
532 static int mov_write_svq3_tag(AVIOContext *pb)
535 ffio_wfourcc(pb, "SMI ");
536 ffio_wfourcc(pb, "SEQH");
538 avio_wb32(pb, 0xe2c0211d);
539 avio_wb32(pb, 0xc0000000);
544 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
546 int64_t pos = avio_tell(pb);
549 ffio_wfourcc(pb, "avcC");
550 ff_isom_write_avcc(pb, track->vosData, track->vosLen);
551 return updateSize(pb, pos);
554 /* also used by all avid codecs (dv, imx, meridien) and their variants */
555 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
558 avio_wb32(pb, 24); /* size */
559 ffio_wfourcc(pb, "ACLR");
560 ffio_wfourcc(pb, "ACLR");
561 ffio_wfourcc(pb, "0001");
562 avio_wb32(pb, 2); /* yuv range: full 1 / normal 2 */
563 avio_wb32(pb, 0); /* unknown */
565 avio_wb32(pb, 24); /* size */
566 ffio_wfourcc(pb, "APRG");
567 ffio_wfourcc(pb, "APRG");
568 ffio_wfourcc(pb, "0001");
569 avio_wb32(pb, 1); /* unknown */
570 avio_wb32(pb, 0); /* unknown */
572 avio_wb32(pb, 120); /* size */
573 ffio_wfourcc(pb, "ARES");
574 ffio_wfourcc(pb, "ARES");
575 ffio_wfourcc(pb, "0001");
576 avio_wb32(pb, AV_RB32(track->vosData + 0x28)); /* dnxhd cid, some id ? */
577 avio_wb32(pb, track->enc->width);
578 /* values below are based on samples created with quicktime and avid codecs */
579 if (track->vosData[5] & 2) { // interlaced
580 avio_wb32(pb, track->enc->height/2);
581 avio_wb32(pb, 2); /* unknown */
582 avio_wb32(pb, 0); /* unknown */
583 avio_wb32(pb, 4); /* unknown */
585 avio_wb32(pb, track->enc->height);
586 avio_wb32(pb, 1); /* unknown */
587 avio_wb32(pb, 0); /* unknown */
588 if (track->enc->height == 1080)
589 avio_wb32(pb, 5); /* unknown */
591 avio_wb32(pb, 6); /* unknown */
594 for (i = 0; i < 10; i++)
597 /* extra padding for stsd needed */
602 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
604 int tag = track->enc->codec_tag;
606 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
609 if (track->enc->codec_id == CODEC_ID_H264) tag = MKTAG('a','v','c','1');
610 else if (track->enc->codec_id == CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
611 else if (track->enc->codec_id == CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
612 else if (track->enc->codec_id == CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
613 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
614 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
619 static const AVCodecTag codec_ipod_tags[] = {
620 { CODEC_ID_H264, MKTAG('a','v','c','1') },
621 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
622 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
623 { CODEC_ID_ALAC, MKTAG('a','l','a','c') },
624 { CODEC_ID_AC3, MKTAG('a','c','-','3') },
625 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
626 { CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
627 { CODEC_ID_NONE, 0 },
630 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
632 int tag = track->enc->codec_tag;
634 // keep original tag for subs, ipod supports both formats
635 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
636 (tag == MKTAG('t','x','3','g') ||
637 tag == MKTAG('t','e','x','t'))))
638 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
640 if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v"))
641 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
642 "Quicktime/Ipod might not play the file\n");
647 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
651 if (track->enc->width == 720) /* SD */
652 if (track->enc->height == 480) /* NTSC */
653 if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
654 else tag = MKTAG('d','v','c',' ');
655 else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
656 else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
657 else tag = MKTAG('d','v','p','p');
658 else if (track->enc->height == 720) /* HD 720 line */
659 if (track->enc->time_base.den == 50) tag = MKTAG('d','v','h','q');
660 else tag = MKTAG('d','v','h','p');
661 else if (track->enc->height == 1080) /* HD 1080 line */
662 if (track->enc->time_base.den == 25) tag = MKTAG('d','v','h','5');
663 else tag = MKTAG('d','v','h','6');
665 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
672 static const struct {
673 enum PixelFormat pix_fmt;
676 } mov_pix_fmt_tags[] = {
677 { PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
678 { PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
679 { PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
680 { PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
681 { PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
682 { PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
683 { PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
684 { PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
685 { PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
686 { PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
687 { PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
688 { PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
689 { PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
690 { PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
693 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
695 int tag = track->enc->codec_tag;
698 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
699 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
700 tag = mov_pix_fmt_tags[i].tag;
701 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
709 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
711 int tag = track->enc->codec_tag;
713 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
714 (track->enc->codec_id == CODEC_ID_DVVIDEO ||
715 track->enc->codec_id == CODEC_ID_RAWVIDEO ||
716 track->enc->codec_id == CODEC_ID_H263 ||
717 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
718 if (track->enc->codec_id == CODEC_ID_DVVIDEO)
719 tag = mov_get_dv_codec_tag(s, track);
720 else if (track->enc->codec_id == CODEC_ID_RAWVIDEO)
721 tag = mov_get_rawvideo_codec_tag(s, track);
722 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
723 tag = ff_codec_get_tag(codec_movvideo_tags, track->enc->codec_id);
724 if (!tag) { // if no mac fcc found, try with Microsoft tags
725 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
727 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
728 "the file may be unplayable!\n");
730 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
731 tag = ff_codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
732 if (!tag) { // if no mac fcc found, try with Microsoft tags
733 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
735 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
736 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
737 "the file may be unplayable!\n");
740 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
741 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
747 static const AVCodecTag codec_3gp_tags[] = {
748 { CODEC_ID_H263, MKTAG('s','2','6','3') },
749 { CODEC_ID_H264, MKTAG('a','v','c','1') },
750 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
751 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
752 { CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
753 { CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
754 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
755 { CODEC_ID_NONE, 0 },
758 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
760 int tag = track->enc->codec_tag;
762 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
763 tag = mp4_get_codec_tag(s, track);
764 else if (track->mode == MODE_IPOD)
765 tag = ipod_get_codec_tag(s, track);
766 else if (track->mode & MODE_3GP)
767 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
769 tag = mov_get_codec_tag(s, track);
775 * Needed to make file play in iPods running newest firmware
776 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
778 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
781 ffio_wfourcc(pb, "uuid");
782 avio_wb32(pb, 0x6b6840f2);
783 avio_wb32(pb, 0x5f244fc5);
784 avio_wb32(pb, 0xba39a51b);
785 avio_wb32(pb, 0xcf0323f3);
790 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
792 int64_t pos = avio_tell(pb);
793 avio_wb32(pb, 0); /* size */
794 avio_wl32(pb, track->tag); // store it byteswapped
795 avio_wb32(pb, 0); /* Reserved */
796 avio_wb16(pb, 0); /* Reserved */
797 avio_wb16(pb, 1); /* Data-reference index */
799 if (track->enc->extradata_size)
800 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
802 return updateSize(pb, pos);
805 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
808 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
809 track->enc->sample_aspect_ratio.den, INT_MAX);
812 ffio_wfourcc(pb, "pasp");
813 avio_wb32(pb, sar.num);
814 avio_wb32(pb, sar.den);
818 static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
820 int64_t pos = avio_tell(pb);
821 char compressor_name[32];
823 avio_wb32(pb, 0); /* size */
824 avio_wl32(pb, track->tag); // store it byteswapped
825 avio_wb32(pb, 0); /* Reserved */
826 avio_wb16(pb, 0); /* Reserved */
827 avio_wb16(pb, 1); /* Data-reference index */
829 avio_wb16(pb, 0); /* Codec stream version */
830 avio_wb16(pb, 0); /* Codec stream revision (=0) */
831 if (track->mode == MODE_MOV) {
832 ffio_wfourcc(pb, "FFMP"); /* Vendor */
833 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
834 avio_wb32(pb, 0); /* Temporal Quality */
835 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
837 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
838 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
841 avio_wb32(pb, 0); /* Reserved */
842 avio_wb32(pb, 0); /* Reserved */
843 avio_wb32(pb, 0); /* Reserved */
845 avio_wb16(pb, track->enc->width); /* Video width */
846 avio_wb16(pb, track->height); /* Video height */
847 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
848 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
849 avio_wb32(pb, 0); /* Data size (= 0) */
850 avio_wb16(pb, 1); /* Frame count (= 1) */
852 memset(compressor_name,0,32);
853 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
854 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
855 av_strlcpy(compressor_name,track->enc->codec->name,32);
856 avio_w8(pb, strlen(compressor_name));
857 avio_write(pb, compressor_name, 31);
859 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
860 avio_wb16(pb, track->enc->bits_per_coded_sample);
862 avio_wb16(pb, 0x18); /* Reserved */
863 avio_wb16(pb, 0xffff); /* Reserved */
864 if(track->tag == MKTAG('m','p','4','v'))
865 mov_write_esds_tag(pb, track);
866 else if(track->enc->codec_id == CODEC_ID_H263)
867 mov_write_d263_tag(pb);
868 else if(track->enc->codec_id == CODEC_ID_SVQ3)
869 mov_write_svq3_tag(pb);
870 else if(track->enc->codec_id == CODEC_ID_DNXHD)
871 mov_write_avid_tag(pb, track);
872 else if(track->enc->codec_id == CODEC_ID_H264) {
873 mov_write_avcc_tag(pb, track);
874 if(track->mode == MODE_IPOD)
875 mov_write_uuid_tag_ipod(pb);
876 } else if(track->vosLen > 0)
877 mov_write_glbl_tag(pb, track);
879 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
880 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
881 mov_write_pasp_tag(pb, track);
884 return updateSize(pb, pos);
887 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
889 int64_t pos = avio_tell(pb);
890 avio_wb32(pb, 0); /* size */
891 ffio_wfourcc(pb, "rtp ");
892 avio_wb32(pb, 0); /* Reserved */
893 avio_wb16(pb, 0); /* Reserved */
894 avio_wb16(pb, 1); /* Data-reference index */
896 avio_wb16(pb, 1); /* Hint track version */
897 avio_wb16(pb, 1); /* Highest compatible version */
898 avio_wb32(pb, track->max_packet_size); /* Max packet size */
900 avio_wb32(pb, 12); /* size */
901 ffio_wfourcc(pb, "tims");
902 avio_wb32(pb, track->timescale);
904 return updateSize(pb, pos);
907 static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
909 int64_t pos = avio_tell(pb);
910 avio_wb32(pb, 0); /* size */
911 ffio_wfourcc(pb, "stsd");
912 avio_wb32(pb, 0); /* version & flags */
913 avio_wb32(pb, 1); /* entry count */
914 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
915 mov_write_video_tag(pb, track);
916 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
917 mov_write_audio_tag(pb, track);
918 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
919 mov_write_subtitle_tag(pb, track);
920 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
921 mov_write_rtp_tag(pb, track);
922 return updateSize(pb, pos);
925 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
927 MOVStts *ctts_entries;
928 uint32_t entries = 0;
932 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
933 ctts_entries[0].count = 1;
934 ctts_entries[0].duration = track->cluster[0].cts;
935 for (i=1; i<track->entry; i++) {
936 if (track->cluster[i].cts == ctts_entries[entries].duration) {
937 ctts_entries[entries].count++; /* compress */
940 ctts_entries[entries].duration = track->cluster[i].cts;
941 ctts_entries[entries].count = 1;
944 entries++; /* last one */
945 atom_size = 16 + (entries * 8);
946 avio_wb32(pb, atom_size); /* size */
947 ffio_wfourcc(pb, "ctts");
948 avio_wb32(pb, 0); /* version & flags */
949 avio_wb32(pb, entries); /* entry count */
950 for (i=0; i<entries; i++) {
951 avio_wb32(pb, ctts_entries[i].count);
952 avio_wb32(pb, ctts_entries[i].duration);
954 av_free(ctts_entries);
958 /* Time to sample atom */
959 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
961 MOVStts *stts_entries;
962 uint32_t entries = -1;
966 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
967 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
968 stts_entries[0].count = track->sampleCount;
969 stts_entries[0].duration = 1;
972 stts_entries = av_malloc(track->entry * sizeof(*stts_entries)); /* worst case */
973 for (i=0; i<track->entry; i++) {
974 int64_t duration = i + 1 == track->entry ?
975 track->trackDuration - track->cluster[i].dts + track->cluster[0].dts : /* readjusting */
976 track->cluster[i+1].dts - track->cluster[i].dts;
977 if (i && duration == stts_entries[entries].duration) {
978 stts_entries[entries].count++; /* compress */
981 stts_entries[entries].duration = duration;
982 stts_entries[entries].count = 1;
985 entries++; /* last one */
987 atom_size = 16 + (entries * 8);
988 avio_wb32(pb, atom_size); /* size */
989 ffio_wfourcc(pb, "stts");
990 avio_wb32(pb, 0); /* version & flags */
991 avio_wb32(pb, entries); /* entry count */
992 for (i=0; i<entries; i++) {
993 avio_wb32(pb, stts_entries[i].count);
994 avio_wb32(pb, stts_entries[i].duration);
996 av_free(stts_entries);
1000 static int mov_write_dref_tag(AVIOContext *pb)
1002 avio_wb32(pb, 28); /* size */
1003 ffio_wfourcc(pb, "dref");
1004 avio_wb32(pb, 0); /* version & flags */
1005 avio_wb32(pb, 1); /* entry count */
1007 avio_wb32(pb, 0xc); /* size */
1008 ffio_wfourcc(pb, "url ");
1009 avio_wb32(pb, 1); /* version & flags */
1014 static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
1016 int64_t pos = avio_tell(pb);
1017 avio_wb32(pb, 0); /* size */
1018 ffio_wfourcc(pb, "stbl");
1019 mov_write_stsd_tag(pb, track);
1020 mov_write_stts_tag(pb, track);
1021 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1022 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
1023 track->hasKeyframes && track->hasKeyframes < track->entry)
1024 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1025 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1026 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
1027 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1028 track->flags & MOV_TRACK_CTTS)
1029 mov_write_ctts_tag(pb, track);
1030 mov_write_stsc_tag(pb, track);
1031 mov_write_stsz_tag(pb, track);
1032 mov_write_stco_tag(pb, track);
1033 return updateSize(pb, pos);
1036 static int mov_write_dinf_tag(AVIOContext *pb)
1038 int64_t pos = avio_tell(pb);
1039 avio_wb32(pb, 0); /* size */
1040 ffio_wfourcc(pb, "dinf");
1041 mov_write_dref_tag(pb);
1042 return updateSize(pb, pos);
1045 static int mov_write_nmhd_tag(AVIOContext *pb)
1048 ffio_wfourcc(pb, "nmhd");
1053 static int mov_write_gmhd_tag(AVIOContext *pb)
1055 avio_wb32(pb, 0x20); /* size */
1056 ffio_wfourcc(pb, "gmhd");
1057 avio_wb32(pb, 0x18); /* gmin size */
1058 ffio_wfourcc(pb, "gmin");/* generic media info */
1059 avio_wb32(pb, 0); /* version & flags */
1060 avio_wb16(pb, 0x40); /* graphics mode = */
1061 avio_wb16(pb, 0x8000); /* opColor (r?) */
1062 avio_wb16(pb, 0x8000); /* opColor (g?) */
1063 avio_wb16(pb, 0x8000); /* opColor (b?) */
1064 avio_wb16(pb, 0); /* balance */
1065 avio_wb16(pb, 0); /* reserved */
1069 static int mov_write_smhd_tag(AVIOContext *pb)
1071 avio_wb32(pb, 16); /* size */
1072 ffio_wfourcc(pb, "smhd");
1073 avio_wb32(pb, 0); /* version & flags */
1074 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1075 avio_wb16(pb, 0); /* reserved */
1079 static int mov_write_vmhd_tag(AVIOContext *pb)
1081 avio_wb32(pb, 0x14); /* size (always 0x14) */
1082 ffio_wfourcc(pb, "vmhd");
1083 avio_wb32(pb, 0x01); /* version & flags */
1084 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
1088 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
1090 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1091 int64_t pos = avio_tell(pb);
1093 if (!track) { /* no media --> data handler */
1096 descr = "DataHandler";
1098 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1099 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1101 descr = "VideoHandler";
1102 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1104 descr = "SoundHandler";
1105 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1106 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
1107 else hdlr_type = "text";
1108 descr = "SubtitleHandler";
1109 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1111 descr = "HintHandler";
1115 avio_wb32(pb, 0); /* size */
1116 ffio_wfourcc(pb, "hdlr");
1117 avio_wb32(pb, 0); /* Version & flags */
1118 avio_write(pb, hdlr, 4); /* handler */
1119 ffio_wfourcc(pb, hdlr_type); /* handler type */
1120 avio_wb32(pb ,0); /* reserved */
1121 avio_wb32(pb ,0); /* reserved */
1122 avio_wb32(pb ,0); /* reserved */
1123 if (!track || track->mode == MODE_MOV)
1124 avio_w8(pb, strlen(descr)); /* pascal string */
1125 avio_write(pb, descr, strlen(descr)); /* handler description */
1126 if (track && track->mode != MODE_MOV)
1127 avio_w8(pb, 0); /* c string */
1128 return updateSize(pb, pos);
1131 static int mov_write_hmhd_tag(AVIOContext *pb)
1133 /* This atom must be present, but leaving the values at zero
1134 * seems harmless. */
1135 avio_wb32(pb, 28); /* size */
1136 ffio_wfourcc(pb, "hmhd");
1137 avio_wb32(pb, 0); /* version, flags */
1138 avio_wb16(pb, 0); /* maxPDUsize */
1139 avio_wb16(pb, 0); /* avgPDUsize */
1140 avio_wb32(pb, 0); /* maxbitrate */
1141 avio_wb32(pb, 0); /* avgbitrate */
1142 avio_wb32(pb, 0); /* reserved */
1146 static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
1148 int64_t pos = avio_tell(pb);
1149 avio_wb32(pb, 0); /* size */
1150 ffio_wfourcc(pb, "minf");
1151 if(track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1152 mov_write_vmhd_tag(pb);
1153 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1154 mov_write_smhd_tag(pb);
1155 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1156 if (track->tag == MKTAG('t','e','x','t')) mov_write_gmhd_tag(pb);
1157 else mov_write_nmhd_tag(pb);
1158 } else if (track->tag == MKTAG('r','t','p',' ')) {
1159 mov_write_hmhd_tag(pb);
1161 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1162 mov_write_hdlr_tag(pb, NULL);
1163 mov_write_dinf_tag(pb);
1164 mov_write_stbl_tag(pb, track);
1165 return updateSize(pb, pos);
1168 static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track)
1170 int version = track->trackDuration < INT32_MAX ? 0 : 1;
1172 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
1173 ffio_wfourcc(pb, "mdhd");
1174 avio_w8(pb, version);
1175 avio_wb24(pb, 0); /* flags */
1177 avio_wb64(pb, track->time);
1178 avio_wb64(pb, track->time);
1180 avio_wb32(pb, track->time); /* creation time */
1181 avio_wb32(pb, track->time); /* modification time */
1183 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
1184 (version == 1) ? avio_wb64(pb, track->trackDuration) : avio_wb32(pb, track->trackDuration); /* duration */
1185 avio_wb16(pb, track->language); /* language */
1186 avio_wb16(pb, 0); /* reserved (quality) */
1188 if(version!=0 && track->mode == MODE_MOV){
1189 av_log(NULL, AV_LOG_ERROR,
1190 "FATAL error, file duration too long for timebase, this file will not be\n"
1191 "playable with quicktime. Choose a different timebase or a different\n"
1192 "container format\n");
1198 static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track)
1200 int64_t pos = avio_tell(pb);
1201 avio_wb32(pb, 0); /* size */
1202 ffio_wfourcc(pb, "mdia");
1203 mov_write_mdhd_tag(pb, track);
1204 mov_write_hdlr_tag(pb, track);
1205 mov_write_minf_tag(pb, track);
1206 return updateSize(pb, pos);
1209 static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1211 int64_t duration = av_rescale_rnd(track->trackDuration, MOV_TIMESCALE,
1212 track->timescale, AV_ROUND_UP);
1213 int version = duration < INT32_MAX ? 0 : 1;
1215 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
1216 ffio_wfourcc(pb, "tkhd");
1217 avio_w8(pb, version);
1218 avio_wb24(pb, 0xf); /* flags (track enabled) */
1220 avio_wb64(pb, track->time);
1221 avio_wb64(pb, track->time);
1223 avio_wb32(pb, track->time); /* creation time */
1224 avio_wb32(pb, track->time); /* modification time */
1226 avio_wb32(pb, track->trackID); /* track-id */
1227 avio_wb32(pb, 0); /* reserved */
1228 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
1230 avio_wb32(pb, 0); /* reserved */
1231 avio_wb32(pb, 0); /* reserved */
1232 avio_wb16(pb, 0); /* layer */
1233 avio_wb16(pb, st ? st->codec->codec_type : 0); /* alternate group) */
1234 /* Volume, only for audio */
1235 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1236 avio_wb16(pb, 0x0100);
1239 avio_wb16(pb, 0); /* reserved */
1241 /* Matrix structure */
1242 avio_wb32(pb, 0x00010000); /* reserved */
1243 avio_wb32(pb, 0x0); /* reserved */
1244 avio_wb32(pb, 0x0); /* reserved */
1245 avio_wb32(pb, 0x0); /* reserved */
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, 0x40000000); /* reserved */
1252 /* Track width and height, for visual only */
1253 if(st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1254 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
1255 if(track->mode == MODE_MOV) {
1256 avio_wb32(pb, track->enc->width << 16);
1257 avio_wb32(pb, track->height << 16);
1259 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1260 if(!sample_aspect_ratio || track->height != track->enc->height)
1261 sample_aspect_ratio = 1;
1262 avio_wb32(pb, sample_aspect_ratio * track->enc->width*0x10000);
1263 avio_wb32(pb, track->height*0x10000);
1273 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
1275 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
1276 track->enc->sample_aspect_ratio.den);
1278 int64_t pos = avio_tell(pb);
1280 avio_wb32(pb, 0); /* size */
1281 ffio_wfourcc(pb, "tapt");
1284 ffio_wfourcc(pb, "clef");
1286 avio_wb32(pb, width << 16);
1287 avio_wb32(pb, track->enc->height << 16);
1290 ffio_wfourcc(pb, "enof");
1292 avio_wb32(pb, track->enc->width << 16);
1293 avio_wb32(pb, track->enc->height << 16);
1295 return updateSize(pb, pos);
1298 // This box seems important for the psp playback ... without it the movie seems to hang
1299 static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track)
1301 int64_t duration = av_rescale_rnd(track->trackDuration, MOV_TIMESCALE,
1302 track->timescale, AV_ROUND_UP);
1303 int version = duration < INT32_MAX ? 0 : 1;
1304 int entry_size, entry_count, size;
1305 int64_t delay, start_ct = track->cluster[0].cts;
1306 delay = av_rescale_rnd(track->cluster[0].dts + start_ct, MOV_TIMESCALE,
1307 track->timescale, AV_ROUND_DOWN);
1308 version |= delay < INT32_MAX ? 0 : 1;
1310 entry_size = (version == 1) ? 20 : 12;
1311 entry_count = 1 + (delay > 0);
1312 size = 24 + entry_count * entry_size;
1314 /* write the atom data */
1315 avio_wb32(pb, size);
1316 ffio_wfourcc(pb, "edts");
1317 avio_wb32(pb, size - 8);
1318 ffio_wfourcc(pb, "elst");
1319 avio_w8(pb, version);
1320 avio_wb24(pb, 0); /* flags */
1322 avio_wb32(pb, entry_count);
1323 if (delay > 0) { /* add an empty edit to delay presentation */
1325 avio_wb64(pb, delay);
1328 avio_wb32(pb, delay);
1331 avio_wb32(pb, 0x00010000);
1336 avio_wb64(pb, duration);
1337 avio_wb64(pb, start_ct);
1339 avio_wb32(pb, duration);
1340 avio_wb32(pb, start_ct);
1342 avio_wb32(pb, 0x00010000);
1346 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
1348 avio_wb32(pb, 20); // size
1349 ffio_wfourcc(pb, "tref");
1350 avio_wb32(pb, 12); // size (subatom)
1351 avio_wl32(pb, track->tref_tag);
1352 avio_wb32(pb, track->tref_id);
1356 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1357 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
1359 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1360 ffio_wfourcc(pb, "uuid");
1361 ffio_wfourcc(pb, "USMT");
1362 avio_wb32(pb, 0x21d24fce);
1363 avio_wb32(pb, 0xbb88695c);
1364 avio_wb32(pb, 0xfac9c740);
1365 avio_wb32(pb, 0x1c); // another size here!
1366 ffio_wfourcc(pb, "MTDT");
1367 avio_wb32(pb, 0x00010012);
1368 avio_wb32(pb, 0x0a);
1369 avio_wb32(pb, 0x55c40000);
1375 static int mov_write_udta_sdp(AVIOContext *pb, AVFormatContext *ctx, int index)
1377 char buf[1000] = "";
1380 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0]->codec, NULL, NULL, 0, 0, ctx);
1381 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", index);
1384 avio_wb32(pb, len + 24);
1385 ffio_wfourcc(pb, "udta");
1386 avio_wb32(pb, len + 16);
1387 ffio_wfourcc(pb, "hnti");
1388 avio_wb32(pb, len + 8);
1389 ffio_wfourcc(pb, "sdp ");
1390 avio_write(pb, buf, len);
1394 static int mov_write_trak_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1396 int64_t pos = avio_tell(pb);
1397 avio_wb32(pb, 0); /* size */
1398 ffio_wfourcc(pb, "trak");
1399 mov_write_tkhd_tag(pb, track, st);
1400 if (track->mode == MODE_PSP || track->flags & MOV_TRACK_CTTS || track->cluster[0].dts)
1401 mov_write_edts_tag(pb, track); // PSP Movies require edts box
1402 if (track->tref_tag)
1403 mov_write_tref_tag(pb, track);
1404 mov_write_mdia_tag(pb, track);
1405 if (track->mode == MODE_PSP)
1406 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
1407 if (track->tag == MKTAG('r','t','p',' '))
1408 mov_write_udta_sdp(pb, track->rtp_ctx, track->trackID);
1409 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && track->mode == MODE_MOV) {
1410 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1411 if (0.0 != sample_aspect_ratio && 1.0 != sample_aspect_ratio)
1412 mov_write_tapt_tag(pb, track);
1414 return updateSize(pb, pos);
1418 /* TODO: Not sorted out, but not necessary either */
1419 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
1421 avio_wb32(pb, 0x15); /* size */
1422 ffio_wfourcc(pb, "iods");
1423 avio_wb32(pb, 0); /* version & flags */
1424 avio_wb16(pb, 0x1007);
1426 avio_wb16(pb, 0x4fff);
1427 avio_wb16(pb, 0xfffe);
1428 avio_wb16(pb, 0x01ff);
1433 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
1435 int maxTrackID = 1, i;
1436 int64_t maxTrackLenTemp, maxTrackLen = 0;
1439 for (i=0; i<mov->nb_streams; i++) {
1440 if(mov->tracks[i].entry > 0) {
1441 maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration,
1443 mov->tracks[i].timescale,
1445 if(maxTrackLen < maxTrackLenTemp)
1446 maxTrackLen = maxTrackLenTemp;
1447 if(maxTrackID < mov->tracks[i].trackID)
1448 maxTrackID = mov->tracks[i].trackID;
1452 version = maxTrackLen < UINT32_MAX ? 0 : 1;
1453 (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
1454 ffio_wfourcc(pb, "mvhd");
1455 avio_w8(pb, version);
1456 avio_wb24(pb, 0); /* flags */
1458 avio_wb64(pb, mov->time);
1459 avio_wb64(pb, mov->time);
1461 avio_wb32(pb, mov->time); /* creation time */
1462 avio_wb32(pb, mov->time); /* modification time */
1464 avio_wb32(pb, MOV_TIMESCALE);
1465 (version == 1) ? avio_wb64(pb, maxTrackLen) : avio_wb32(pb, maxTrackLen); /* duration of longest track */
1467 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1468 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1469 avio_wb16(pb, 0); /* reserved */
1470 avio_wb32(pb, 0); /* reserved */
1471 avio_wb32(pb, 0); /* reserved */
1473 /* Matrix structure */
1474 avio_wb32(pb, 0x00010000); /* reserved */
1475 avio_wb32(pb, 0x0); /* reserved */
1476 avio_wb32(pb, 0x0); /* reserved */
1477 avio_wb32(pb, 0x0); /* reserved */
1478 avio_wb32(pb, 0x00010000); /* reserved */
1479 avio_wb32(pb, 0x0); /* reserved */
1480 avio_wb32(pb, 0x0); /* reserved */
1481 avio_wb32(pb, 0x0); /* reserved */
1482 avio_wb32(pb, 0x40000000); /* reserved */
1484 avio_wb32(pb, 0); /* reserved (preview time) */
1485 avio_wb32(pb, 0); /* reserved (preview duration) */
1486 avio_wb32(pb, 0); /* reserved (poster time) */
1487 avio_wb32(pb, 0); /* reserved (selection time) */
1488 avio_wb32(pb, 0); /* reserved (selection duration) */
1489 avio_wb32(pb, 0); /* reserved (current time) */
1490 avio_wb32(pb, maxTrackID+1); /* Next track id */
1494 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
1497 avio_wb32(pb, 33); /* size */
1498 ffio_wfourcc(pb, "hdlr");
1501 ffio_wfourcc(pb, "mdir");
1502 ffio_wfourcc(pb, "appl");
1509 /* helper function to write a data tag with the specified string as data */
1510 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
1513 int size = 16 + strlen(data);
1514 avio_wb32(pb, size); /* size */
1515 ffio_wfourcc(pb, "data");
1518 avio_write(pb, data, strlen(data));
1522 lang = ff_mov_iso639_to_lang("und", 1);
1523 avio_wb16(pb, strlen(data)); /* string length */
1524 avio_wb16(pb, lang);
1525 avio_write(pb, data, strlen(data));
1526 return strlen(data) + 4;
1530 static int mov_write_string_tag(AVIOContext *pb, const char *name, const char *value, int lang, int long_style){
1532 if (value && value[0]) {
1533 int64_t pos = avio_tell(pb);
1534 avio_wb32(pb, 0); /* size */
1535 ffio_wfourcc(pb, name);
1536 mov_write_string_data_tag(pb, value, lang, long_style);
1537 size= updateSize(pb, pos);
1542 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
1543 const char *name, const char *tag,
1546 int l, lang = 0, len, len2;
1547 AVDictionaryEntry *t, *t2 = NULL;
1550 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
1553 len = strlen(t->key);
1554 snprintf(tag2, sizeof(tag2), "%s-", tag);
1555 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
1556 len2 = strlen(t2->key);
1557 if (len2 == len+4 && !strcmp(t->value, t2->value)
1558 && (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 1)) >= 0) {
1563 return mov_write_string_tag(pb, name, t->value, lang, long_style);
1566 /* iTunes track number */
1567 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
1570 AVDictionaryEntry *t = av_dict_get(s->metadata, "track", NULL, 0);
1571 int size = 0, track = t ? atoi(t->value) : 0;
1573 avio_wb32(pb, 32); /* size */
1574 ffio_wfourcc(pb, "trkn");
1575 avio_wb32(pb, 24); /* size */
1576 ffio_wfourcc(pb, "data");
1577 avio_wb32(pb, 0); // 8 bytes empty
1579 avio_wb16(pb, 0); // empty
1580 avio_wb16(pb, track); // track number
1581 avio_wb16(pb, 0); // total track number
1582 avio_wb16(pb, 0); // empty
1588 /* iTunes meta data list */
1589 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
1592 int64_t pos = avio_tell(pb);
1593 avio_wb32(pb, 0); /* size */
1594 ffio_wfourcc(pb, "ilst");
1595 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
1596 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
1597 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
1598 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
1599 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
1600 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
1601 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
1602 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
1603 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
1604 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
1605 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
1606 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
1607 mov_write_string_metadata(s, pb, "desc", "description",1);
1608 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
1609 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
1610 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
1611 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
1612 mov_write_trkn_tag(pb, mov, s);
1613 return updateSize(pb, pos);
1616 /* iTunes meta data tag */
1617 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
1621 int64_t pos = avio_tell(pb);
1622 avio_wb32(pb, 0); /* size */
1623 ffio_wfourcc(pb, "meta");
1625 mov_write_itunes_hdlr_tag(pb, mov, s);
1626 mov_write_ilst_tag(pb, mov, s);
1627 size = updateSize(pb, pos);
1631 static int utf8len(const uint8_t *b)
1636 GET_UTF8(val, *b++, return -1;)
1642 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
1646 GET_UTF8(val, *b++, return -1;)
1649 avio_wb16(pb, 0x00);
1653 static uint16_t language_code(const char *str)
1655 return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
1658 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
1659 const char *tag, const char *str)
1661 int64_t pos = avio_tell(pb);
1662 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
1663 if (!t || !utf8len(t->value))
1665 avio_wb32(pb, 0); /* size */
1666 ffio_wfourcc(pb, tag); /* type */
1667 avio_wb32(pb, 0); /* version + flags */
1668 if (!strcmp(tag, "yrrc"))
1669 avio_wb16(pb, atoi(t->value));
1671 avio_wb16(pb, language_code("eng")); /* language */
1672 avio_write(pb, t->value, strlen(t->value)+1); /* UTF8 string value */
1673 if (!strcmp(tag, "albm") &&
1674 (t = av_dict_get(s->metadata, "track", NULL, 0)))
1675 avio_w8(pb, atoi(t->value));
1677 return updateSize(pb, pos);
1680 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
1682 int64_t pos = avio_tell(pb);
1683 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
1685 avio_wb32(pb, 0); // size
1686 ffio_wfourcc(pb, "chpl");
1687 avio_wb32(pb, 0x01000000); // version + flags
1688 avio_wb32(pb, 0); // unknown
1689 avio_w8(pb, nb_chapters);
1691 for (i = 0; i < nb_chapters; i++) {
1692 AVChapter *c = s->chapters[i];
1693 AVDictionaryEntry *t;
1694 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
1696 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
1697 int len = FFMIN(strlen(t->value), 255);
1699 avio_write(pb, t->value, len);
1703 return updateSize(pb, pos);
1706 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
1709 AVIOContext *pb_buf;
1713 for (i = 0; i < s->nb_streams; i++)
1714 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
1718 ret = avio_open_dyn_buf(&pb_buf);
1722 if (mov->mode & MODE_3GP) {
1723 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
1724 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
1725 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
1726 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
1727 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
1728 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
1729 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
1730 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
1731 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
1732 mov_write_string_metadata(s, pb_buf, "\251ART", "artist" , 0);
1733 mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0);
1734 mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0);
1735 mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0);
1736 mov_write_string_metadata(s, pb_buf, "\251day", "date" , 0);
1737 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder" , 0);
1738 mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0);
1739 mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0);
1740 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0);
1742 /* iTunes meta data */
1743 mov_write_meta_tag(pb_buf, mov, s);
1747 mov_write_chpl_tag(pb_buf, s);
1749 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
1750 avio_wb32(pb, size+8);
1751 ffio_wfourcc(pb, "udta");
1752 avio_write(pb, buf, size);
1759 static void mov_write_psp_udta_tag(AVIOContext *pb,
1760 const char *str, const char *lang, int type)
1762 int len = utf8len(str)+1;
1765 avio_wb16(pb, len*2+10); /* size */
1766 avio_wb32(pb, type); /* type */
1767 avio_wb16(pb, language_code(lang)); /* language */
1768 avio_wb16(pb, 0x01); /* ? */
1769 ascii_to_wc(pb, str);
1772 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
1774 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
1778 pos = avio_tell(pb);
1779 avio_wb32(pb, 0); /* size placeholder*/
1780 ffio_wfourcc(pb, "uuid");
1781 ffio_wfourcc(pb, "USMT");
1782 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
1783 avio_wb32(pb, 0xbb88695c);
1784 avio_wb32(pb, 0xfac9c740);
1786 pos2 = avio_tell(pb);
1787 avio_wb32(pb, 0); /* size placeholder*/
1788 ffio_wfourcc(pb, "MTDT");
1792 avio_wb16(pb, 0x0C); /* size */
1793 avio_wb32(pb, 0x0B); /* type */
1794 avio_wb16(pb, language_code("und")); /* language */
1795 avio_wb16(pb, 0x0); /* ? */
1796 avio_wb16(pb, 0x021C); /* data */
1798 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
1799 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
1800 // 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);
1801 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
1803 updateSize(pb, pos2);
1804 return updateSize(pb, pos);
1810 static void build_chunks(MOVTrack *trk)
1813 MOVIentry *chunk= &trk->cluster[0];
1814 uint64_t chunkSize = chunk->size;
1817 for(i=1; i<trk->entry; i++){
1818 if(chunk->pos + chunkSize == trk->cluster[i].pos){
1819 chunkSize += trk->cluster[i].size;
1820 chunk->samplesInChunk += trk->cluster[i].entries;
1822 trk->cluster[i].chunkNum = chunk->chunkNum+1;
1823 chunk=&trk->cluster[i];
1824 chunkSize = chunk->size;
1830 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
1834 int64_t pos = avio_tell(pb);
1835 avio_wb32(pb, 0); /* size placeholder*/
1836 ffio_wfourcc(pb, "moov");
1838 for (i=0; i<mov->nb_streams; i++) {
1839 if(mov->tracks[i].entry <= 0) continue;
1841 mov->tracks[i].time = mov->time;
1842 mov->tracks[i].trackID = i+1;
1844 build_chunks(&mov->tracks[i]);
1847 if (mov->chapter_track)
1848 for (i=0; i<s->nb_streams; i++) {
1849 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
1850 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].trackID;
1852 for (i = 0; i < mov->nb_streams; i++) {
1853 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
1854 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
1855 mov->tracks[i].tref_id =
1856 mov->tracks[mov->tracks[i].src_track].trackID;
1860 mov_write_mvhd_tag(pb, mov);
1861 //mov_write_iods_tag(pb, mov);
1862 for (i=0; i<mov->nb_streams; i++) {
1863 if(mov->tracks[i].entry > 0) {
1864 mov_write_trak_tag(pb, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
1868 if (mov->mode == MODE_PSP)
1869 mov_write_uuidusmt_tag(pb, s);
1871 mov_write_udta_tag(pb, mov, s);
1873 return updateSize(pb, pos);
1876 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
1878 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
1879 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
1881 mov->mdat_pos = avio_tell(pb);
1882 avio_wb32(pb, 0); /* size placeholder*/
1883 ffio_wfourcc(pb, "mdat");
1887 /* TODO: This needs to be more general */
1888 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
1890 MOVMuxContext *mov = s->priv_data;
1891 int64_t pos = avio_tell(pb);
1892 int has_h264 = 0, has_video = 0;
1896 for (i = 0; i < s->nb_streams; i++) {
1897 AVStream *st = s->streams[i];
1898 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
1900 if (st->codec->codec_id == CODEC_ID_H264)
1904 avio_wb32(pb, 0); /* size */
1905 ffio_wfourcc(pb, "ftyp");
1907 if (mov->mode == MODE_3GP) {
1908 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
1909 minor = has_h264 ? 0x100 : 0x200;
1910 } else if (mov->mode & MODE_3G2) {
1911 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
1912 minor = has_h264 ? 0x20000 : 0x10000;
1913 }else if (mov->mode == MODE_PSP)
1914 ffio_wfourcc(pb, "MSNV");
1915 else if (mov->mode == MODE_MP4)
1916 ffio_wfourcc(pb, "isom");
1917 else if (mov->mode == MODE_IPOD)
1918 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
1920 ffio_wfourcc(pb, "qt ");
1922 avio_wb32(pb, minor);
1924 if(mov->mode == MODE_MOV)
1925 ffio_wfourcc(pb, "qt ");
1927 ffio_wfourcc(pb, "isom");
1928 ffio_wfourcc(pb, "iso2");
1930 ffio_wfourcc(pb, "avc1");
1933 if (mov->mode == MODE_3GP)
1934 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
1935 else if (mov->mode & MODE_3G2)
1936 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
1937 else if (mov->mode == MODE_PSP)
1938 ffio_wfourcc(pb, "MSNV");
1939 else if (mov->mode == MODE_MP4)
1940 ffio_wfourcc(pb, "mp41");
1941 return updateSize(pb, pos);
1944 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
1946 AVCodecContext *VideoCodec = s->streams[0]->codec;
1947 AVCodecContext *AudioCodec = s->streams[1]->codec;
1948 int AudioRate = AudioCodec->sample_rate;
1949 int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num);
1950 int audio_kbitrate= AudioCodec->bit_rate / 1000;
1951 int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate);
1953 avio_wb32(pb, 0x94); /* size */
1954 ffio_wfourcc(pb, "uuid");
1955 ffio_wfourcc(pb, "PROF");
1957 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
1958 avio_wb32(pb, 0xbb88695c);
1959 avio_wb32(pb, 0xfac9c740);
1961 avio_wb32(pb, 0x0); /* ? */
1962 avio_wb32(pb, 0x3); /* 3 sections ? */
1964 avio_wb32(pb, 0x14); /* size */
1965 ffio_wfourcc(pb, "FPRF");
1966 avio_wb32(pb, 0x0); /* ? */
1967 avio_wb32(pb, 0x0); /* ? */
1968 avio_wb32(pb, 0x0); /* ? */
1970 avio_wb32(pb, 0x2c); /* size */
1971 ffio_wfourcc(pb, "APRF");/* audio */
1973 avio_wb32(pb, 0x2); /* TrackID */
1974 ffio_wfourcc(pb, "mp4a");
1975 avio_wb32(pb, 0x20f);
1977 avio_wb32(pb, audio_kbitrate);
1978 avio_wb32(pb, audio_kbitrate);
1979 avio_wb32(pb, AudioRate);
1980 avio_wb32(pb, AudioCodec->channels);
1982 avio_wb32(pb, 0x34); /* size */
1983 ffio_wfourcc(pb, "VPRF"); /* video */
1985 avio_wb32(pb, 0x1); /* TrackID */
1986 if (VideoCodec->codec_id == CODEC_ID_H264) {
1987 ffio_wfourcc(pb, "avc1");
1988 avio_wb16(pb, 0x014D);
1989 avio_wb16(pb, 0x0015);
1991 ffio_wfourcc(pb, "mp4v");
1992 avio_wb16(pb, 0x0000);
1993 avio_wb16(pb, 0x0103);
1996 avio_wb32(pb, video_kbitrate);
1997 avio_wb32(pb, video_kbitrate);
1998 avio_wb32(pb, FrameRate);
1999 avio_wb32(pb, FrameRate);
2000 avio_wb16(pb, VideoCodec->width);
2001 avio_wb16(pb, VideoCodec->height);
2002 avio_wb32(pb, 0x010001); /* ? */
2005 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
2008 int i, closed_gop = 0;
2010 for (i = 0; i < pkt->size - 4; i++) {
2011 c = (c<<8) + pkt->data[i];
2012 if (c == 0x1b8) { // gop
2013 closed_gop = pkt->data[i+4]>>6 & 0x01;
2014 } else if (c == 0x100) { // pic
2015 int temp_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
2016 if (!temp_ref || closed_gop) // I picture is not reordered
2017 *flags = MOV_SYNC_SAMPLE;
2019 *flags = MOV_PARTIAL_SYNC_SAMPLE;
2026 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
2028 MOVMuxContext *mov = s->priv_data;
2029 AVIOContext *pb = s->pb;
2030 MOVTrack *trk = &mov->tracks[pkt->stream_index];
2031 AVCodecContext *enc = trk->enc;
2032 unsigned int samplesInChunk = 0;
2033 int size= pkt->size;
2035 if (!s->pb->seekable) return 0; /* Can't handle that */
2036 if (!size) return 0; /* Discard 0 sized packets */
2038 if (enc->codec_id == CODEC_ID_AMR_NB) {
2039 /* We must find out how many AMR blocks there are in one packet */
2040 static uint16_t packed_size[16] =
2041 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
2044 while (len < size && samplesInChunk < 100) {
2045 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
2048 if(samplesInChunk > 1){
2049 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
2052 } else if (enc->codec_id == CODEC_ID_ADPCM_MS ||
2053 enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
2054 samplesInChunk = enc->frame_size;
2055 } else if (trk->sampleSize)
2056 samplesInChunk = size/trk->sampleSize;
2060 /* copy extradata if it exists */
2061 if (trk->vosLen == 0 && enc->extradata_size > 0) {
2062 trk->vosLen = enc->extradata_size;
2063 trk->vosData = av_malloc(trk->vosLen);
2064 memcpy(trk->vosData, enc->extradata, trk->vosLen);
2067 if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) {
2068 /* from x264 or from bytestream h264 */
2069 /* nal reformating needed */
2070 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
2071 } else if (enc->codec_id == CODEC_ID_AAC && pkt->size > 2 &&
2072 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
2073 av_log(s, AV_LOG_ERROR, "malformated aac bitstream, use -absf aac_adtstoasc\n");
2076 avio_write(pb, pkt->data, size);
2079 if ((enc->codec_id == CODEC_ID_DNXHD ||
2080 enc->codec_id == CODEC_ID_AC3) && !trk->vosLen) {
2081 /* copy frame to create needed atoms */
2083 trk->vosData = av_malloc(size);
2085 return AVERROR(ENOMEM);
2086 memcpy(trk->vosData, pkt->data, size);
2089 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
2090 trk->cluster = av_realloc_f(trk->cluster, sizeof(*trk->cluster), (trk->entry + MOV_INDEX_CLUSTER_SIZE));
2095 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
2096 trk->cluster[trk->entry].samplesInChunk = samplesInChunk;
2097 trk->cluster[trk->entry].chunkNum = 0;
2098 trk->cluster[trk->entry].size = size;
2099 trk->cluster[trk->entry].entries = samplesInChunk;
2100 trk->cluster[trk->entry].dts = pkt->dts;
2101 trk->trackDuration = pkt->dts - trk->cluster[0].dts + pkt->duration;
2103 if (pkt->pts == AV_NOPTS_VALUE) {
2104 av_log(s, AV_LOG_WARNING, "pts has no value\n");
2105 pkt->pts = pkt->dts;
2107 if (pkt->dts != pkt->pts)
2108 trk->flags |= MOV_TRACK_CTTS;
2109 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
2110 trk->cluster[trk->entry].flags = 0;
2111 if (pkt->flags & AV_PKT_FLAG_KEY) {
2112 if (mov->mode == MODE_MOV && enc->codec_id == CODEC_ID_MPEG2VIDEO &&
2113 trk->entry > 0) { // force sync sample for the first key frame
2114 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
2115 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
2116 trk->flags |= MOV_TRACK_STPS;
2118 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
2120 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
2121 trk->hasKeyframes++;
2124 trk->sampleCount += samplesInChunk;
2125 mov->mdat_size += size;
2129 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
2130 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry);
2134 // QuickTime chapters involve an additional text track with the chapter names
2135 // as samples, and a tref pointing from the other tracks to the chapter one.
2136 static void mov_create_chapter_track(AVFormatContext *s, int tracknum)
2138 MOVMuxContext *mov = s->priv_data;
2139 MOVTrack *track = &mov->tracks[tracknum];
2140 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
2143 track->mode = mov->mode;
2144 track->tag = MKTAG('t','e','x','t');
2145 track->timescale = MOV_TIMESCALE;
2146 track->enc = avcodec_alloc_context3(NULL);
2147 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
2149 for (i = 0; i < s->nb_chapters; i++) {
2150 AVChapter *c = s->chapters[i];
2151 AVDictionaryEntry *t;
2153 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
2154 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
2155 pkt.duration = end - pkt.dts;
2157 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
2158 len = strlen(t->value);
2160 pkt.data = av_malloc(pkt.size);
2161 AV_WB16(pkt.data, len);
2162 memcpy(pkt.data+2, t->value, len);
2163 ff_mov_write_packet(s, &pkt);
2164 av_freep(&pkt.data);
2169 static int mov_write_header(AVFormatContext *s)
2171 AVIOContext *pb = s->pb;
2172 MOVMuxContext *mov = s->priv_data;
2173 AVDictionaryEntry *t;
2174 int i, hint_track = 0;
2176 if (!s->pb->seekable) {
2177 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
2181 /* Default mode == MP4 */
2182 mov->mode = MODE_MP4;
2184 if (s->oformat != NULL) {
2185 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
2186 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
2187 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
2188 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
2189 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
2191 mov_write_ftyp_tag(pb,s);
2192 if (mov->mode == MODE_PSP) {
2193 if (s->nb_streams != 2) {
2194 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
2197 mov_write_uuidprof_tag(pb,s);
2201 mov->nb_streams = s->nb_streams;
2202 if (mov->mode & (MODE_MOV|MODE_IPOD) && s->nb_chapters)
2203 mov->chapter_track = mov->nb_streams++;
2205 #if FF_API_FLAG_RTP_HINT
2206 if (s->flags & AVFMT_FLAG_RTP_HINT) {
2207 av_log(s, AV_LOG_WARNING, "The RTP_HINT flag is deprecated, enable it "
2208 "via the -movflags rtphint muxer option "
2210 mov->flags |= FF_MOV_FLAG_RTP_HINT;
2213 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
2214 /* Add hint tracks for each audio and video stream */
2215 hint_track = mov->nb_streams;
2216 for (i = 0; i < s->nb_streams; i++) {
2217 AVStream *st = s->streams[i];
2218 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2219 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
2225 mov->tracks = av_mallocz(mov->nb_streams*sizeof(*mov->tracks));
2227 return AVERROR(ENOMEM);
2229 for(i=0; i<s->nb_streams; i++){
2230 AVStream *st= s->streams[i];
2231 MOVTrack *track= &mov->tracks[i];
2232 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
2234 track->enc = st->codec;
2235 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
2236 if (track->language < 0)
2237 track->language = 0;
2238 track->mode = mov->mode;
2239 track->tag = mov_find_codec_tag(s, track);
2241 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
2242 "codec not currently supported in container\n", i);
2245 /* If hinting of this track is enabled by a later hint track,
2246 * this is updated. */
2247 track->hint_track = -1;
2248 if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
2249 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
2250 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
2251 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
2252 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
2253 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
2256 track->height = track->tag>>24 == 'n' ? 486 : 576;
2258 track->timescale = st->codec->time_base.den;
2259 if (track->mode == MODE_MOV && track->timescale > 100000)
2260 av_log(s, AV_LOG_WARNING,
2261 "WARNING codec timebase is very high. If duration is too long,\n"
2262 "file may not be playable by quicktime. Specify a shorter timebase\n"
2263 "or choose different container.\n");
2264 }else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
2265 track->timescale = st->codec->sample_rate;
2266 if(!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
2267 av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
2269 }else if(st->codec->codec_id == CODEC_ID_ADPCM_MS ||
2270 st->codec->codec_id == CODEC_ID_ADPCM_IMA_WAV){
2271 if (!st->codec->block_align) {
2272 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
2275 track->sampleSize = st->codec->block_align;
2276 }else if(st->codec->frame_size > 1){ /* assume compressed audio */
2277 track->audio_vbr = 1;
2279 st->codec->frame_size = 1;
2280 track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
2282 if (track->mode != MODE_MOV) {
2283 if (track->timescale > UINT16_MAX) {
2284 av_log(s, AV_LOG_ERROR, "track %d: output format does not support "
2285 "sample rate %dhz\n", i, track->timescale);
2288 if (track->enc->codec_id == CODEC_ID_MP3 && track->timescale < 16000) {
2289 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
2290 i, track->enc->sample_rate);
2294 }else if(st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE){
2295 track->timescale = st->codec->time_base.den;
2298 track->height = st->codec->height;
2300 avpriv_set_pts_info(st, 64, 1, track->timescale);
2303 if(mov->reserved_moov_size){
2304 mov->reserved_moov_pos= avio_tell(pb);
2305 avio_skip(pb, mov->reserved_moov_size);
2308 mov_write_mdat_tag(pb, mov);
2310 #if FF_API_TIMESTAMP
2312 mov->time = s->timestamp;
2315 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
2316 mov->time = ff_iso8601_to_unix_time(t->value);
2317 mov->time += 0x7C25B080; //1970 based -> 1904 based
2319 if (mov->chapter_track)
2320 mov_create_chapter_track(s, mov->chapter_track);
2322 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
2323 /* Initialize the hint tracks for each audio and video stream */
2324 for (i = 0; i < s->nb_streams; i++) {
2325 AVStream *st = s->streams[i];
2326 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2327 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
2328 ff_mov_init_hinting(s, hint_track, i);
2338 av_freep(&mov->tracks);
2342 static int mov_write_trailer(AVFormatContext *s)
2344 MOVMuxContext *mov = s->priv_data;
2345 AVIOContext *pb = s->pb;
2349 int64_t moov_pos = avio_tell(pb);
2351 /* Write size of mdat tag */
2352 if (mov->mdat_size+8 <= UINT32_MAX) {
2353 avio_seek(pb, mov->mdat_pos, SEEK_SET);
2354 avio_wb32(pb, mov->mdat_size+8);
2356 /* overwrite 'wide' placeholder atom */
2357 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
2358 avio_wb32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */
2359 ffio_wfourcc(pb, "mdat");
2360 avio_wb64(pb, mov->mdat_size+16);
2362 avio_seek(pb, mov->reserved_moov_size ? mov->reserved_moov_pos : moov_pos, SEEK_SET);
2364 mov_write_moov_tag(pb, mov, s);
2365 if(mov->reserved_moov_size){
2366 int64_t size= mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_moov_pos);
2368 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %Ld additional\n", 8-size);
2371 avio_wb32(pb, size);
2372 ffio_wfourcc(pb, "free");
2373 for(i=0; i<size; i++)
2375 avio_seek(pb, moov_pos, SEEK_SET);
2378 if (mov->chapter_track)
2379 av_freep(&mov->tracks[mov->chapter_track].enc);
2381 for (i=0; i<mov->nb_streams; i++) {
2382 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
2383 ff_mov_close_hinting(&mov->tracks[i]);
2384 av_freep(&mov->tracks[i].cluster);
2386 if(mov->tracks[i].vosLen) av_free(mov->tracks[i].vosData);
2392 av_freep(&mov->tracks);
2397 #if CONFIG_MOV_MUXER
2399 AVOutputFormat ff_mov_muxer = {
2401 .long_name = NULL_IF_CONFIG_SMALL("MOV format"),
2402 .extensions = "mov",
2403 .priv_data_size = sizeof(MOVMuxContext),
2404 .audio_codec = CODEC_ID_AAC,
2405 #if CONFIG_LIBX264_ENCODER
2406 .video_codec = CODEC_ID_H264,
2408 .video_codec = CODEC_ID_MPEG4,
2410 .write_header = mov_write_header,
2411 .write_packet = ff_mov_write_packet,
2412 .write_trailer = mov_write_trailer,
2413 .flags = AVFMT_GLOBALHEADER,
2414 .codec_tag = (const AVCodecTag* const []){codec_movvideo_tags, codec_movaudio_tags, 0},
2415 .priv_class = &mov_muxer_class,
2418 #if CONFIG_TGP_MUXER
2420 AVOutputFormat ff_tgp_muxer = {
2422 .long_name = NULL_IF_CONFIG_SMALL("3GP format"),
2423 .extensions = "3gp",
2424 .priv_data_size = sizeof(MOVMuxContext),
2425 .audio_codec = CODEC_ID_AMR_NB,
2426 .video_codec = CODEC_ID_H263,
2427 .write_header = mov_write_header,
2428 .write_packet = ff_mov_write_packet,
2429 .write_trailer = mov_write_trailer,
2430 .flags = AVFMT_GLOBALHEADER,
2431 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
2432 .priv_class = &tgp_muxer_class,
2435 #if CONFIG_MP4_MUXER
2437 AVOutputFormat ff_mp4_muxer = {
2439 .long_name = NULL_IF_CONFIG_SMALL("MP4 format"),
2440 .mime_type = "application/mp4",
2441 .extensions = "mp4",
2442 .priv_data_size = sizeof(MOVMuxContext),
2443 .audio_codec = CODEC_ID_AAC,
2444 #if CONFIG_LIBX264_ENCODER
2445 .video_codec = CODEC_ID_H264,
2447 .video_codec = CODEC_ID_MPEG4,
2449 .write_header = mov_write_header,
2450 .write_packet = ff_mov_write_packet,
2451 .write_trailer = mov_write_trailer,
2452 .flags = AVFMT_GLOBALHEADER,
2453 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
2454 .priv_class = &mp4_muxer_class,
2457 #if CONFIG_PSP_MUXER
2459 AVOutputFormat ff_psp_muxer = {
2461 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 format"),
2462 .extensions = "mp4,psp",
2463 .priv_data_size = sizeof(MOVMuxContext),
2464 .audio_codec = CODEC_ID_AAC,
2465 #if CONFIG_LIBX264_ENCODER
2466 .video_codec = CODEC_ID_H264,
2468 .video_codec = CODEC_ID_MPEG4,
2470 .write_header = mov_write_header,
2471 .write_packet = ff_mov_write_packet,
2472 .write_trailer = mov_write_trailer,
2473 .flags = AVFMT_GLOBALHEADER,
2474 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
2475 .priv_class = &psp_muxer_class,
2478 #if CONFIG_TG2_MUXER
2480 AVOutputFormat ff_tg2_muxer = {
2482 .long_name = NULL_IF_CONFIG_SMALL("3GP2 format"),
2483 .extensions = "3g2",
2484 .priv_data_size = sizeof(MOVMuxContext),
2485 .audio_codec = CODEC_ID_AMR_NB,
2486 .video_codec = CODEC_ID_H263,
2487 .write_header = mov_write_header,
2488 .write_packet = ff_mov_write_packet,
2489 .write_trailer = mov_write_trailer,
2490 .flags = AVFMT_GLOBALHEADER,
2491 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
2492 .priv_class = &tg2_muxer_class,
2495 #if CONFIG_IPOD_MUXER
2497 AVOutputFormat ff_ipod_muxer = {
2499 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"),
2500 .mime_type = "application/mp4",
2501 .extensions = "m4v,m4a",
2502 .priv_data_size = sizeof(MOVMuxContext),
2503 .audio_codec = CODEC_ID_AAC,
2504 .video_codec = CODEC_ID_H264,
2505 .write_header = mov_write_header,
2506 .write_packet = ff_mov_write_packet,
2507 .write_trailer = mov_write_trailer,
2508 .flags = AVFMT_GLOBALHEADER,
2509 .codec_tag = (const AVCodecTag* const []){codec_ipod_tags, 0},
2510 .priv_class = &ipod_muxer_class,