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 Libav.
9 * Libav 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 * Libav 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 Libav; 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/opt.h"
40 static const AVOption options[] = {
41 { "movflags", "MOV muxer flags", offsetof(MOVMuxContext, flags), FF_OPT_TYPE_FLAGS, {.dbl = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
42 { "rtphint", "Add RTP hint tracks", 0, FF_OPT_TYPE_CONST, {.dbl = FF_MOV_FLAG_RTP_HINT}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
46 static const AVClass mov_muxer_class = {
47 .class_name = "MOV/3GP/MP4/3G2 muxer",
48 .item_name = av_default_item_name,
50 .version = LIBAVUTIL_VERSION_INT,
53 //FIXME support 64 bit variant with wide placeholders
54 static int64_t updateSize(AVIOContext *pb, int64_t pos)
56 int64_t curpos = avio_tell(pb);
57 avio_seek(pb, pos, SEEK_SET);
58 avio_wb32(pb, curpos - pos); /* rewrite size */
59 avio_seek(pb, curpos, SEEK_SET);
64 /* Chunk offset atom */
65 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
68 int mode64 = 0; // use 32 bit size variant if possible
69 int64_t pos = avio_tell(pb);
70 avio_wb32(pb, 0); /* size */
71 if (pos > UINT32_MAX) {
73 ffio_wfourcc(pb, "co64");
75 ffio_wfourcc(pb, "stco");
76 avio_wb32(pb, 0); /* version & flags */
77 avio_wb32(pb, track->entry); /* entry count */
78 for (i=0; i<track->entry; i++) {
80 avio_wb64(pb, track->cluster[i].pos);
82 avio_wb32(pb, track->cluster[i].pos);
84 return updateSize(pb, pos);
87 /* Sample size atom */
88 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
91 int i, j, entries = 0, tst = -1, oldtst = -1;
93 int64_t pos = avio_tell(pb);
94 avio_wb32(pb, 0); /* size */
95 ffio_wfourcc(pb, "stsz");
96 avio_wb32(pb, 0); /* version & flags */
98 for (i=0; i<track->entry; i++) {
99 tst = track->cluster[i].size/track->cluster[i].entries;
100 if(oldtst != -1 && tst != oldtst) {
104 entries += track->cluster[i].entries;
107 int sSize = track->cluster[0].size/track->cluster[0].entries;
108 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
109 avio_wb32(pb, sSize); // sample size
110 avio_wb32(pb, entries); // sample count
113 avio_wb32(pb, 0); // sample size
114 avio_wb32(pb, entries); // sample count
115 for (i=0; i<track->entry; i++) {
116 for (j=0; j<track->cluster[i].entries; j++) {
117 avio_wb32(pb, track->cluster[i].size /
118 track->cluster[i].entries);
122 return updateSize(pb, pos);
125 /* Sample to chunk atom */
126 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
128 int index = 0, oldval = -1, i;
129 int64_t entryPos, curpos;
131 int64_t pos = avio_tell(pb);
132 avio_wb32(pb, 0); /* size */
133 ffio_wfourcc(pb, "stsc");
134 avio_wb32(pb, 0); // version & flags
135 entryPos = avio_tell(pb);
136 avio_wb32(pb, track->entry); // entry count
137 for (i=0; i<track->entry; i++) {
138 if(oldval != track->cluster[i].samplesInChunk)
140 avio_wb32(pb, i+1); // first chunk
141 avio_wb32(pb, track->cluster[i].samplesInChunk); // samples per chunk
142 avio_wb32(pb, 0x1); // sample description index
143 oldval = track->cluster[i].samplesInChunk;
147 curpos = avio_tell(pb);
148 avio_seek(pb, entryPos, SEEK_SET);
149 avio_wb32(pb, index); // rewrite size
150 avio_seek(pb, curpos, SEEK_SET);
152 return updateSize(pb, pos);
155 /* Sync sample atom */
156 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
158 int64_t curpos, entryPos;
160 int64_t pos = avio_tell(pb);
161 avio_wb32(pb, 0); // size
162 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
163 avio_wb32(pb, 0); // version & flags
164 entryPos = avio_tell(pb);
165 avio_wb32(pb, track->entry); // entry count
166 for (i=0; i<track->entry; i++) {
167 if (track->cluster[i].flags & flag) {
172 curpos = avio_tell(pb);
173 avio_seek(pb, entryPos, SEEK_SET);
174 avio_wb32(pb, index); // rewrite size
175 avio_seek(pb, curpos, SEEK_SET);
176 return updateSize(pb, pos);
179 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
181 avio_wb32(pb, 0x11); /* size */
182 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
183 else ffio_wfourcc(pb, "damr");
184 ffio_wfourcc(pb, "FFMP");
185 avio_w8(pb, 0); /* decoder version */
187 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
188 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
189 avio_w8(pb, 0x01); /* Frames per sample */
193 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
198 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
200 if (track->vosLen < 7)
204 ffio_wfourcc(pb, "dac3");
206 init_get_bits(&gbc, track->vosData+4, track->vosLen-4);
207 fscod = get_bits(&gbc, 2);
208 frmsizecod = get_bits(&gbc, 6);
209 bsid = get_bits(&gbc, 5);
210 bsmod = get_bits(&gbc, 3);
211 acmod = get_bits(&gbc, 3);
213 skip_bits(&gbc, 2); // dsurmod
215 if ((acmod & 1) && acmod != 1)
216 skip_bits(&gbc, 2); // cmixlev
218 skip_bits(&gbc, 2); // surmixlev
220 lfeon = get_bits1(&gbc);
222 init_put_bits(&pbc, buf, sizeof(buf));
223 put_bits(&pbc, 2, fscod);
224 put_bits(&pbc, 5, bsid);
225 put_bits(&pbc, 3, bsmod);
226 put_bits(&pbc, 3, acmod);
227 put_bits(&pbc, 1, lfeon);
228 put_bits(&pbc, 5, frmsizecod>>1); // bit_rate_code
229 put_bits(&pbc, 5, 0); // reserved
231 flush_put_bits(&pbc);
232 avio_write(pb, buf, sizeof(buf));
238 * This function writes extradata "as is".
239 * Extradata must be formated like a valid atom (with size and tag)
241 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
243 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
244 return track->enc->extradata_size;
247 static int mov_write_enda_tag(AVIOContext *pb)
250 ffio_wfourcc(pb, "enda");
251 avio_wb16(pb, 1); /* little endian */
255 static void putDescr(AVIOContext *pb, int tag, unsigned int size)
260 avio_w8(pb, (size>>(7*i)) | 0x80);
261 avio_w8(pb, size & 0x7F);
264 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
266 int64_t pos = avio_tell(pb);
267 int decoderSpecificInfoLen = track->vosLen ? 5+track->vosLen : 0;
269 avio_wb32(pb, 0); // size
270 ffio_wfourcc(pb, "esds");
271 avio_wb32(pb, 0); // Version
274 putDescr(pb, 0x03, 3 + 5+13 + decoderSpecificInfoLen + 5+1);
275 avio_wb16(pb, track->trackID);
276 avio_w8(pb, 0x00); // flags (= no flags)
278 // DecoderConfig descriptor
279 putDescr(pb, 0x04, 13 + decoderSpecificInfoLen);
281 // Object type indication
282 if ((track->enc->codec_id == CODEC_ID_MP2 ||
283 track->enc->codec_id == CODEC_ID_MP3) &&
284 track->enc->sample_rate > 24000)
285 avio_w8(pb, 0x6B); // 11172-3
287 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
289 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
290 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
291 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
292 avio_w8(pb, 0x15); // flags (= Audiostream)
294 avio_w8(pb, 0x11); // flags (= Visualstream)
296 avio_w8(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits)
297 avio_wb16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB
299 avio_wb32(pb, FFMAX(track->enc->bit_rate, track->enc->rc_max_rate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
300 if(track->enc->rc_max_rate != track->enc->rc_min_rate || track->enc->rc_min_rate==0)
301 avio_wb32(pb, 0); // vbr
303 avio_wb32(pb, track->enc->rc_max_rate); // avg bitrate
306 // DecoderSpecific info descriptor
307 putDescr(pb, 0x05, track->vosLen);
308 avio_write(pb, track->vosData, track->vosLen);
312 putDescr(pb, 0x06, 1);
314 return updateSize(pb, pos);
317 static int mov_pcm_le_gt16(enum CodecID codec_id)
319 return codec_id == CODEC_ID_PCM_S24LE ||
320 codec_id == CODEC_ID_PCM_S32LE ||
321 codec_id == CODEC_ID_PCM_F32LE ||
322 codec_id == CODEC_ID_PCM_F64LE;
325 static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
327 int64_t pos = avio_tell(pb);
329 avio_wl32(pb, track->tag); // store it byteswapped
330 track->enc->codec_tag = av_bswap16(track->tag >> 16);
331 ff_put_wav_header(pb, track->enc);
332 return updateSize(pb, pos);
335 static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
337 int64_t pos = avio_tell(pb);
339 avio_wb32(pb, 0); /* size */
340 ffio_wfourcc(pb, "wave");
342 avio_wb32(pb, 12); /* size */
343 ffio_wfourcc(pb, "frma");
344 avio_wl32(pb, track->tag);
346 if (track->enc->codec_id == CODEC_ID_AAC) {
347 /* useless atom needed by mplayer, ipod, not needed by quicktime */
348 avio_wb32(pb, 12); /* size */
349 ffio_wfourcc(pb, "mp4a");
351 mov_write_esds_tag(pb, track);
352 } else if (mov_pcm_le_gt16(track->enc->codec_id)) {
353 mov_write_enda_tag(pb);
354 } else if (track->enc->codec_id == CODEC_ID_AMR_NB) {
355 mov_write_amr_tag(pb, track);
356 } else if (track->enc->codec_id == CODEC_ID_AC3) {
357 mov_write_ac3_tag(pb, track);
358 } else if (track->enc->codec_id == CODEC_ID_ALAC) {
359 mov_write_extradata_tag(pb, track);
360 } else if (track->enc->codec_id == CODEC_ID_ADPCM_MS ||
361 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
362 mov_write_ms_tag(pb, track);
365 avio_wb32(pb, 8); /* size */
366 avio_wb32(pb, 0); /* null tag */
368 return updateSize(pb, pos);
371 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
373 avio_wb32(pb, track->vosLen+8);
374 ffio_wfourcc(pb, "glbl");
375 avio_write(pb, track->vosData, track->vosLen);
376 return 8+track->vosLen;
380 * Compute flags for 'lpcm' tag.
381 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
383 static int mov_get_lpcm_flags(enum CodecID codec_id)
386 case CODEC_ID_PCM_F32BE:
387 case CODEC_ID_PCM_F64BE:
389 case CODEC_ID_PCM_F32LE:
390 case CODEC_ID_PCM_F64LE:
392 case CODEC_ID_PCM_U8:
394 case CODEC_ID_PCM_S16BE:
395 case CODEC_ID_PCM_S24BE:
396 case CODEC_ID_PCM_S32BE:
398 case CODEC_ID_PCM_S8:
399 case CODEC_ID_PCM_S16LE:
400 case CODEC_ID_PCM_S24LE:
401 case CODEC_ID_PCM_S32LE:
408 static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
410 int64_t pos = avio_tell(pb);
412 uint32_t tag = track->tag;
414 if (track->mode == MODE_MOV) {
415 if (track->timescale > UINT16_MAX) {
416 if (mov_get_lpcm_flags(track->enc->codec_id))
417 tag = AV_RL32("lpcm");
419 } else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id) ||
420 track->enc->codec_id == CODEC_ID_ADPCM_MS ||
421 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
426 avio_wb32(pb, 0); /* size */
427 avio_wl32(pb, tag); // store it byteswapped
428 avio_wb32(pb, 0); /* Reserved */
429 avio_wb16(pb, 0); /* Reserved */
430 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
432 /* SoundDescription */
433 avio_wb16(pb, version); /* Version */
434 avio_wb16(pb, 0); /* Revision level */
435 avio_wb32(pb, 0); /* Reserved */
440 avio_wb16(pb, 0xfffe);
442 avio_wb32(pb, 0x00010000);
444 avio_wb64(pb, av_dbl2int(track->timescale));
445 avio_wb32(pb, track->enc->channels);
446 avio_wb32(pb, 0x7F000000);
447 avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
448 avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
449 avio_wb32(pb, track->sampleSize);
450 avio_wb32(pb, track->enc->frame_size);
452 if (track->mode == MODE_MOV) {
453 avio_wb16(pb, track->enc->channels);
454 if (track->enc->codec_id == CODEC_ID_PCM_U8 ||
455 track->enc->codec_id == CODEC_ID_PCM_S8)
456 avio_wb16(pb, 8); /* bits per sample */
459 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
460 } else { /* reserved for mp4/3gp */
466 avio_wb16(pb, 0); /* packet size (= 0) */
467 avio_wb16(pb, track->timescale); /* Time scale */
468 avio_wb16(pb, 0); /* Reserved */
471 if(version == 1) { /* SoundDescription V1 extended info */
472 avio_wb32(pb, track->enc->frame_size); /* Samples per packet */
473 avio_wb32(pb, track->sampleSize / track->enc->channels); /* Bytes per packet */
474 avio_wb32(pb, track->sampleSize); /* Bytes per frame */
475 avio_wb32(pb, 2); /* Bytes per sample */
478 if(track->mode == MODE_MOV &&
479 (track->enc->codec_id == CODEC_ID_AAC ||
480 track->enc->codec_id == CODEC_ID_AC3 ||
481 track->enc->codec_id == CODEC_ID_AMR_NB ||
482 track->enc->codec_id == CODEC_ID_ALAC ||
483 track->enc->codec_id == CODEC_ID_ADPCM_MS ||
484 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV ||
485 mov_pcm_le_gt16(track->enc->codec_id)))
486 mov_write_wave_tag(pb, track);
487 else if(track->tag == MKTAG('m','p','4','a'))
488 mov_write_esds_tag(pb, track);
489 else if(track->enc->codec_id == CODEC_ID_AMR_NB)
490 mov_write_amr_tag(pb, track);
491 else if(track->enc->codec_id == CODEC_ID_AC3)
492 mov_write_ac3_tag(pb, track);
493 else if(track->enc->codec_id == CODEC_ID_ALAC)
494 mov_write_extradata_tag(pb, track);
495 else if(track->vosLen > 0)
496 mov_write_glbl_tag(pb, track);
498 return updateSize(pb, pos);
501 static int mov_write_d263_tag(AVIOContext *pb)
503 avio_wb32(pb, 0xf); /* size */
504 ffio_wfourcc(pb, "d263");
505 ffio_wfourcc(pb, "FFMP");
506 avio_w8(pb, 0); /* decoder version */
507 /* FIXME use AVCodecContext level/profile, when encoder will set values */
508 avio_w8(pb, 0xa); /* level */
509 avio_w8(pb, 0); /* profile */
513 /* TODO: No idea about these values */
514 static int mov_write_svq3_tag(AVIOContext *pb)
517 ffio_wfourcc(pb, "SMI ");
518 ffio_wfourcc(pb, "SEQH");
520 avio_wb32(pb, 0xe2c0211d);
521 avio_wb32(pb, 0xc0000000);
526 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
528 int64_t pos = avio_tell(pb);
531 ffio_wfourcc(pb, "avcC");
532 ff_isom_write_avcc(pb, track->vosData, track->vosLen);
533 return updateSize(pb, pos);
536 /* also used by all avid codecs (dv, imx, meridien) and their variants */
537 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
540 avio_wb32(pb, 24); /* size */
541 ffio_wfourcc(pb, "ACLR");
542 ffio_wfourcc(pb, "ACLR");
543 ffio_wfourcc(pb, "0001");
544 avio_wb32(pb, 2); /* yuv range: full 1 / normal 2 */
545 avio_wb32(pb, 0); /* unknown */
547 avio_wb32(pb, 24); /* size */
548 ffio_wfourcc(pb, "APRG");
549 ffio_wfourcc(pb, "APRG");
550 ffio_wfourcc(pb, "0001");
551 avio_wb32(pb, 1); /* unknown */
552 avio_wb32(pb, 0); /* unknown */
554 avio_wb32(pb, 120); /* size */
555 ffio_wfourcc(pb, "ARES");
556 ffio_wfourcc(pb, "ARES");
557 ffio_wfourcc(pb, "0001");
558 avio_wb32(pb, AV_RB32(track->vosData + 0x28)); /* dnxhd cid, some id ? */
559 avio_wb32(pb, track->enc->width);
560 /* values below are based on samples created with quicktime and avid codecs */
561 if (track->vosData[5] & 2) { // interlaced
562 avio_wb32(pb, track->enc->height/2);
563 avio_wb32(pb, 2); /* unknown */
564 avio_wb32(pb, 0); /* unknown */
565 avio_wb32(pb, 4); /* unknown */
567 avio_wb32(pb, track->enc->height);
568 avio_wb32(pb, 1); /* unknown */
569 avio_wb32(pb, 0); /* unknown */
570 if (track->enc->height == 1080)
571 avio_wb32(pb, 5); /* unknown */
573 avio_wb32(pb, 6); /* unknown */
576 for (i = 0; i < 10; i++)
579 /* extra padding for stsd needed */
584 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
586 int tag = track->enc->codec_tag;
588 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
591 if (track->enc->codec_id == CODEC_ID_H264) tag = MKTAG('a','v','c','1');
592 else if (track->enc->codec_id == CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
593 else if (track->enc->codec_id == CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
594 else if (track->enc->codec_id == CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
595 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
596 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
601 static const AVCodecTag codec_ipod_tags[] = {
602 { CODEC_ID_H264, MKTAG('a','v','c','1') },
603 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
604 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
605 { CODEC_ID_ALAC, MKTAG('a','l','a','c') },
606 { CODEC_ID_AC3, MKTAG('a','c','-','3') },
607 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
608 { CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
609 { CODEC_ID_NONE, 0 },
612 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
614 int tag = track->enc->codec_tag;
616 // keep original tag for subs, ipod supports both formats
617 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
618 (tag == MKTAG('t','x','3','g') ||
619 tag == MKTAG('t','e','x','t'))))
620 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
622 if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v"))
623 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
624 "Quicktime/Ipod might not play the file\n");
629 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
633 if (track->enc->width == 720) /* SD */
634 if (track->enc->height == 480) /* NTSC */
635 if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
636 else tag = MKTAG('d','v','c',' ');
637 else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
638 else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
639 else tag = MKTAG('d','v','p','p');
640 else if (track->enc->height == 720) /* HD 720 line */
641 if (track->enc->time_base.den == 50) tag = MKTAG('d','v','h','q');
642 else tag = MKTAG('d','v','h','p');
643 else if (track->enc->height == 1080) /* HD 1080 line */
644 if (track->enc->time_base.den == 25) tag = MKTAG('d','v','h','5');
645 else tag = MKTAG('d','v','h','6');
647 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
654 static const struct {
655 enum PixelFormat pix_fmt;
658 } mov_pix_fmt_tags[] = {
659 { PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
660 { PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
661 { PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
662 { PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
663 { PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
664 { PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
665 { PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
666 { PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
667 { PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
668 { PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
669 { PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
670 { PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
671 { PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
672 { PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
675 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
677 int tag = track->enc->codec_tag;
680 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
681 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
682 tag = mov_pix_fmt_tags[i].tag;
683 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
691 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
693 int tag = track->enc->codec_tag;
695 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
696 (track->enc->codec_id == CODEC_ID_DVVIDEO ||
697 track->enc->codec_id == CODEC_ID_RAWVIDEO ||
698 track->enc->codec_id == CODEC_ID_H263 ||
699 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
700 if (track->enc->codec_id == CODEC_ID_DVVIDEO)
701 tag = mov_get_dv_codec_tag(s, track);
702 else if (track->enc->codec_id == CODEC_ID_RAWVIDEO)
703 tag = mov_get_rawvideo_codec_tag(s, track);
704 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
705 tag = ff_codec_get_tag(codec_movvideo_tags, track->enc->codec_id);
706 if (!tag) { // if no mac fcc found, try with Microsoft tags
707 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
709 av_log(s, AV_LOG_INFO, "Warning, using MS style video codec tag, "
710 "the file may be unplayable!\n");
712 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
713 tag = ff_codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
714 if (!tag) { // if no mac fcc found, try with Microsoft tags
715 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
717 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
718 av_log(s, AV_LOG_INFO, "Warning, using MS style audio codec tag, "
719 "the file may be unplayable!\n");
722 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
723 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
729 static const AVCodecTag codec_3gp_tags[] = {
730 { CODEC_ID_H263, MKTAG('s','2','6','3') },
731 { CODEC_ID_H264, MKTAG('a','v','c','1') },
732 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
733 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
734 { CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
735 { CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
736 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
737 { CODEC_ID_NONE, 0 },
740 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
742 int tag = track->enc->codec_tag;
744 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
745 tag = mp4_get_codec_tag(s, track);
746 else if (track->mode == MODE_IPOD)
747 tag = ipod_get_codec_tag(s, track);
748 else if (track->mode & MODE_3GP)
749 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
751 tag = mov_get_codec_tag(s, track);
757 * Needed to make file play in iPods running newest firmware
758 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
760 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
763 ffio_wfourcc(pb, "uuid");
764 avio_wb32(pb, 0x6b6840f2);
765 avio_wb32(pb, 0x5f244fc5);
766 avio_wb32(pb, 0xba39a51b);
767 avio_wb32(pb, 0xcf0323f3);
772 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
774 int64_t pos = avio_tell(pb);
775 avio_wb32(pb, 0); /* size */
776 avio_wl32(pb, track->tag); // store it byteswapped
777 avio_wb32(pb, 0); /* Reserved */
778 avio_wb16(pb, 0); /* Reserved */
779 avio_wb16(pb, 1); /* Data-reference index */
781 if (track->enc->extradata_size)
782 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
784 return updateSize(pb, pos);
787 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
790 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
791 track->enc->sample_aspect_ratio.den, INT_MAX);
794 ffio_wfourcc(pb, "pasp");
795 avio_wb32(pb, sar.num);
796 avio_wb32(pb, sar.den);
800 static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
802 int64_t pos = avio_tell(pb);
803 char compressor_name[32];
805 avio_wb32(pb, 0); /* size */
806 avio_wl32(pb, track->tag); // store it byteswapped
807 avio_wb32(pb, 0); /* Reserved */
808 avio_wb16(pb, 0); /* Reserved */
809 avio_wb16(pb, 1); /* Data-reference index */
811 avio_wb16(pb, 0); /* Codec stream version */
812 avio_wb16(pb, 0); /* Codec stream revision (=0) */
813 if (track->mode == MODE_MOV) {
814 ffio_wfourcc(pb, "FFMP"); /* Vendor */
815 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
816 avio_wb32(pb, 0); /* Temporal Quality */
817 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
819 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
820 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
823 avio_wb32(pb, 0); /* Reserved */
824 avio_wb32(pb, 0); /* Reserved */
825 avio_wb32(pb, 0); /* Reserved */
827 avio_wb16(pb, track->enc->width); /* Video width */
828 avio_wb16(pb, track->height); /* Video height */
829 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
830 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
831 avio_wb32(pb, 0); /* Data size (= 0) */
832 avio_wb16(pb, 1); /* Frame count (= 1) */
834 memset(compressor_name,0,32);
835 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
836 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
837 av_strlcpy(compressor_name,track->enc->codec->name,32);
838 avio_w8(pb, strlen(compressor_name));
839 avio_write(pb, compressor_name, 31);
841 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
842 avio_wb16(pb, track->enc->bits_per_coded_sample);
844 avio_wb16(pb, 0x18); /* Reserved */
845 avio_wb16(pb, 0xffff); /* Reserved */
846 if(track->tag == MKTAG('m','p','4','v'))
847 mov_write_esds_tag(pb, track);
848 else if(track->enc->codec_id == CODEC_ID_H263)
849 mov_write_d263_tag(pb);
850 else if(track->enc->codec_id == CODEC_ID_SVQ3)
851 mov_write_svq3_tag(pb);
852 else if(track->enc->codec_id == CODEC_ID_DNXHD)
853 mov_write_avid_tag(pb, track);
854 else if(track->enc->codec_id == CODEC_ID_H264) {
855 mov_write_avcc_tag(pb, track);
856 if(track->mode == MODE_IPOD)
857 mov_write_uuid_tag_ipod(pb);
858 } else if(track->vosLen > 0)
859 mov_write_glbl_tag(pb, track);
861 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
862 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
863 mov_write_pasp_tag(pb, track);
866 return updateSize(pb, pos);
869 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
871 int64_t pos = avio_tell(pb);
872 avio_wb32(pb, 0); /* size */
873 ffio_wfourcc(pb, "rtp ");
874 avio_wb32(pb, 0); /* Reserved */
875 avio_wb16(pb, 0); /* Reserved */
876 avio_wb16(pb, 1); /* Data-reference index */
878 avio_wb16(pb, 1); /* Hint track version */
879 avio_wb16(pb, 1); /* Highest compatible version */
880 avio_wb32(pb, track->max_packet_size); /* Max packet size */
882 avio_wb32(pb, 12); /* size */
883 ffio_wfourcc(pb, "tims");
884 avio_wb32(pb, track->timescale);
886 return updateSize(pb, pos);
889 static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
891 int64_t pos = avio_tell(pb);
892 avio_wb32(pb, 0); /* size */
893 ffio_wfourcc(pb, "stsd");
894 avio_wb32(pb, 0); /* version & flags */
895 avio_wb32(pb, 1); /* entry count */
896 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
897 mov_write_video_tag(pb, track);
898 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
899 mov_write_audio_tag(pb, track);
900 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
901 mov_write_subtitle_tag(pb, track);
902 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
903 mov_write_rtp_tag(pb, track);
904 return updateSize(pb, pos);
907 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
909 MOVStts *ctts_entries;
910 uint32_t entries = 0;
914 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
915 ctts_entries[0].count = 1;
916 ctts_entries[0].duration = track->cluster[0].cts;
917 for (i=1; i<track->entry; i++) {
918 if (track->cluster[i].cts == ctts_entries[entries].duration) {
919 ctts_entries[entries].count++; /* compress */
922 ctts_entries[entries].duration = track->cluster[i].cts;
923 ctts_entries[entries].count = 1;
926 entries++; /* last one */
927 atom_size = 16 + (entries * 8);
928 avio_wb32(pb, atom_size); /* size */
929 ffio_wfourcc(pb, "ctts");
930 avio_wb32(pb, 0); /* version & flags */
931 avio_wb32(pb, entries); /* entry count */
932 for (i=0; i<entries; i++) {
933 avio_wb32(pb, ctts_entries[i].count);
934 avio_wb32(pb, ctts_entries[i].duration);
936 av_free(ctts_entries);
940 /* Time to sample atom */
941 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
943 MOVStts *stts_entries;
944 uint32_t entries = -1;
948 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
949 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
950 stts_entries[0].count = track->sampleCount;
951 stts_entries[0].duration = 1;
954 stts_entries = av_malloc(track->entry * sizeof(*stts_entries)); /* worst case */
955 for (i=0; i<track->entry; i++) {
956 int64_t duration = i + 1 == track->entry ?
957 track->trackDuration - track->cluster[i].dts + track->cluster[0].dts : /* readjusting */
958 track->cluster[i+1].dts - track->cluster[i].dts;
959 if (i && duration == stts_entries[entries].duration) {
960 stts_entries[entries].count++; /* compress */
963 stts_entries[entries].duration = duration;
964 stts_entries[entries].count = 1;
967 entries++; /* last one */
969 atom_size = 16 + (entries * 8);
970 avio_wb32(pb, atom_size); /* size */
971 ffio_wfourcc(pb, "stts");
972 avio_wb32(pb, 0); /* version & flags */
973 avio_wb32(pb, entries); /* entry count */
974 for (i=0; i<entries; i++) {
975 avio_wb32(pb, stts_entries[i].count);
976 avio_wb32(pb, stts_entries[i].duration);
978 av_free(stts_entries);
982 static int mov_write_dref_tag(AVIOContext *pb)
984 avio_wb32(pb, 28); /* size */
985 ffio_wfourcc(pb, "dref");
986 avio_wb32(pb, 0); /* version & flags */
987 avio_wb32(pb, 1); /* entry count */
989 avio_wb32(pb, 0xc); /* size */
990 ffio_wfourcc(pb, "url ");
991 avio_wb32(pb, 1); /* version & flags */
996 static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
998 int64_t pos = avio_tell(pb);
999 avio_wb32(pb, 0); /* size */
1000 ffio_wfourcc(pb, "stbl");
1001 mov_write_stsd_tag(pb, track);
1002 mov_write_stts_tag(pb, track);
1003 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1004 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
1005 track->hasKeyframes && track->hasKeyframes < track->entry)
1006 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1007 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1008 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
1009 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1010 track->flags & MOV_TRACK_CTTS)
1011 mov_write_ctts_tag(pb, track);
1012 mov_write_stsc_tag(pb, track);
1013 mov_write_stsz_tag(pb, track);
1014 mov_write_stco_tag(pb, track);
1015 return updateSize(pb, pos);
1018 static int mov_write_dinf_tag(AVIOContext *pb)
1020 int64_t pos = avio_tell(pb);
1021 avio_wb32(pb, 0); /* size */
1022 ffio_wfourcc(pb, "dinf");
1023 mov_write_dref_tag(pb);
1024 return updateSize(pb, pos);
1027 static int mov_write_nmhd_tag(AVIOContext *pb)
1030 ffio_wfourcc(pb, "nmhd");
1035 static int mov_write_gmhd_tag(AVIOContext *pb)
1037 avio_wb32(pb, 0x20); /* size */
1038 ffio_wfourcc(pb, "gmhd");
1039 avio_wb32(pb, 0x18); /* gmin size */
1040 ffio_wfourcc(pb, "gmin");/* generic media info */
1041 avio_wb32(pb, 0); /* version & flags */
1042 avio_wb16(pb, 0x40); /* graphics mode = */
1043 avio_wb16(pb, 0x8000); /* opColor (r?) */
1044 avio_wb16(pb, 0x8000); /* opColor (g?) */
1045 avio_wb16(pb, 0x8000); /* opColor (b?) */
1046 avio_wb16(pb, 0); /* balance */
1047 avio_wb16(pb, 0); /* reserved */
1051 static int mov_write_smhd_tag(AVIOContext *pb)
1053 avio_wb32(pb, 16); /* size */
1054 ffio_wfourcc(pb, "smhd");
1055 avio_wb32(pb, 0); /* version & flags */
1056 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1057 avio_wb16(pb, 0); /* reserved */
1061 static int mov_write_vmhd_tag(AVIOContext *pb)
1063 avio_wb32(pb, 0x14); /* size (always 0x14) */
1064 ffio_wfourcc(pb, "vmhd");
1065 avio_wb32(pb, 0x01); /* version & flags */
1066 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
1070 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
1072 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1073 int64_t pos = avio_tell(pb);
1075 if (!track) { /* no media --> data handler */
1078 descr = "DataHandler";
1080 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1081 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1083 descr = "VideoHandler";
1084 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1086 descr = "SoundHandler";
1087 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1088 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
1089 else hdlr_type = "text";
1090 descr = "SubtitleHandler";
1091 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1093 descr = "HintHandler";
1097 avio_wb32(pb, 0); /* size */
1098 ffio_wfourcc(pb, "hdlr");
1099 avio_wb32(pb, 0); /* Version & flags */
1100 avio_write(pb, hdlr, 4); /* handler */
1101 ffio_wfourcc(pb, hdlr_type); /* handler type */
1102 avio_wb32(pb ,0); /* reserved */
1103 avio_wb32(pb ,0); /* reserved */
1104 avio_wb32(pb ,0); /* reserved */
1105 if (!track || track->mode == MODE_MOV)
1106 avio_w8(pb, strlen(descr)); /* pascal string */
1107 avio_write(pb, descr, strlen(descr)); /* handler description */
1108 if (track && track->mode != MODE_MOV)
1109 avio_w8(pb, 0); /* c string */
1110 return updateSize(pb, pos);
1113 static int mov_write_hmhd_tag(AVIOContext *pb)
1115 /* This atom must be present, but leaving the values at zero
1116 * seems harmless. */
1117 avio_wb32(pb, 28); /* size */
1118 ffio_wfourcc(pb, "hmhd");
1119 avio_wb32(pb, 0); /* version, flags */
1120 avio_wb16(pb, 0); /* maxPDUsize */
1121 avio_wb16(pb, 0); /* avgPDUsize */
1122 avio_wb32(pb, 0); /* maxbitrate */
1123 avio_wb32(pb, 0); /* avgbitrate */
1124 avio_wb32(pb, 0); /* reserved */
1128 static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
1130 int64_t pos = avio_tell(pb);
1131 avio_wb32(pb, 0); /* size */
1132 ffio_wfourcc(pb, "minf");
1133 if(track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1134 mov_write_vmhd_tag(pb);
1135 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1136 mov_write_smhd_tag(pb);
1137 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1138 if (track->tag == MKTAG('t','e','x','t')) mov_write_gmhd_tag(pb);
1139 else mov_write_nmhd_tag(pb);
1140 } else if (track->tag == MKTAG('r','t','p',' ')) {
1141 mov_write_hmhd_tag(pb);
1143 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1144 mov_write_hdlr_tag(pb, NULL);
1145 mov_write_dinf_tag(pb);
1146 mov_write_stbl_tag(pb, track);
1147 return updateSize(pb, pos);
1150 static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track)
1152 int version = track->trackDuration < INT32_MAX ? 0 : 1;
1154 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
1155 ffio_wfourcc(pb, "mdhd");
1156 avio_w8(pb, version);
1157 avio_wb24(pb, 0); /* flags */
1159 avio_wb64(pb, track->time);
1160 avio_wb64(pb, track->time);
1162 avio_wb32(pb, track->time); /* creation time */
1163 avio_wb32(pb, track->time); /* modification time */
1165 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
1166 (version == 1) ? avio_wb64(pb, track->trackDuration) : avio_wb32(pb, track->trackDuration); /* duration */
1167 avio_wb16(pb, track->language); /* language */
1168 avio_wb16(pb, 0); /* reserved (quality) */
1170 if(version!=0 && track->mode == MODE_MOV){
1171 av_log(NULL, AV_LOG_ERROR,
1172 "FATAL error, file duration too long for timebase, this file will not be\n"
1173 "playable with quicktime. Choose a different timebase or a different\n"
1174 "container format\n");
1180 static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track)
1182 int64_t pos = avio_tell(pb);
1183 avio_wb32(pb, 0); /* size */
1184 ffio_wfourcc(pb, "mdia");
1185 mov_write_mdhd_tag(pb, track);
1186 mov_write_hdlr_tag(pb, track);
1187 mov_write_minf_tag(pb, track);
1188 return updateSize(pb, pos);
1191 static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1193 int64_t duration = av_rescale_rnd(track->trackDuration, MOV_TIMESCALE,
1194 track->timescale, AV_ROUND_UP);
1195 int version = duration < INT32_MAX ? 0 : 1;
1197 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
1198 ffio_wfourcc(pb, "tkhd");
1199 avio_w8(pb, version);
1200 avio_wb24(pb, 0xf); /* flags (track enabled) */
1202 avio_wb64(pb, track->time);
1203 avio_wb64(pb, track->time);
1205 avio_wb32(pb, track->time); /* creation time */
1206 avio_wb32(pb, track->time); /* modification time */
1208 avio_wb32(pb, track->trackID); /* track-id */
1209 avio_wb32(pb, 0); /* reserved */
1210 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
1212 avio_wb32(pb, 0); /* reserved */
1213 avio_wb32(pb, 0); /* reserved */
1214 avio_wb32(pb, 0x0); /* reserved (Layer & Alternate group) */
1215 /* Volume, only for audio */
1216 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1217 avio_wb16(pb, 0x0100);
1220 avio_wb16(pb, 0); /* reserved */
1222 /* Matrix structure */
1223 avio_wb32(pb, 0x00010000); /* reserved */
1224 avio_wb32(pb, 0x0); /* reserved */
1225 avio_wb32(pb, 0x0); /* reserved */
1226 avio_wb32(pb, 0x0); /* reserved */
1227 avio_wb32(pb, 0x00010000); /* reserved */
1228 avio_wb32(pb, 0x0); /* reserved */
1229 avio_wb32(pb, 0x0); /* reserved */
1230 avio_wb32(pb, 0x0); /* reserved */
1231 avio_wb32(pb, 0x40000000); /* reserved */
1233 /* Track width and height, for visual only */
1234 if(st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1235 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
1236 if(track->mode == MODE_MOV) {
1237 avio_wb32(pb, track->enc->width << 16);
1238 avio_wb32(pb, track->height << 16);
1240 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1241 if(!sample_aspect_ratio || track->height != track->enc->height)
1242 sample_aspect_ratio = 1;
1243 avio_wb32(pb, sample_aspect_ratio * track->enc->width*0x10000);
1244 avio_wb32(pb, track->height*0x10000);
1254 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
1256 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
1257 track->enc->sample_aspect_ratio.den);
1259 int64_t pos = avio_tell(pb);
1261 avio_wb32(pb, 0); /* size */
1262 ffio_wfourcc(pb, "tapt");
1265 ffio_wfourcc(pb, "clef");
1267 avio_wb32(pb, width << 16);
1268 avio_wb32(pb, track->enc->height << 16);
1271 ffio_wfourcc(pb, "enof");
1273 avio_wb32(pb, track->enc->width << 16);
1274 avio_wb32(pb, track->enc->height << 16);
1276 return updateSize(pb, pos);
1279 // This box seems important for the psp playback ... without it the movie seems to hang
1280 static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track)
1282 int64_t duration = av_rescale_rnd(track->trackDuration, MOV_TIMESCALE,
1283 track->timescale, AV_ROUND_UP);
1284 int version = duration < INT32_MAX ? 0 : 1;
1285 int entry_size, entry_count, size;
1286 int64_t delay, start_ct = track->cluster[0].cts;
1287 delay = av_rescale_rnd(track->cluster[0].dts + start_ct, MOV_TIMESCALE,
1288 track->timescale, AV_ROUND_DOWN);
1289 version |= delay < INT32_MAX ? 0 : 1;
1291 entry_size = (version == 1) ? 20 : 12;
1292 entry_count = 1 + (delay > 0);
1293 size = 24 + entry_count * entry_size;
1295 /* write the atom data */
1296 avio_wb32(pb, size);
1297 ffio_wfourcc(pb, "edts");
1298 avio_wb32(pb, size - 8);
1299 ffio_wfourcc(pb, "elst");
1300 avio_w8(pb, version);
1301 avio_wb24(pb, 0); /* flags */
1303 avio_wb32(pb, entry_count);
1304 if (delay > 0) { /* add an empty edit to delay presentation */
1306 avio_wb64(pb, delay);
1309 avio_wb32(pb, delay);
1312 avio_wb32(pb, 0x00010000);
1317 avio_wb64(pb, duration);
1318 avio_wb64(pb, start_ct);
1320 avio_wb32(pb, duration);
1321 avio_wb32(pb, start_ct);
1323 avio_wb32(pb, 0x00010000);
1327 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
1329 avio_wb32(pb, 20); // size
1330 ffio_wfourcc(pb, "tref");
1331 avio_wb32(pb, 12); // size (subatom)
1332 avio_wl32(pb, track->tref_tag);
1333 avio_wb32(pb, track->tref_id);
1337 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1338 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
1340 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1341 ffio_wfourcc(pb, "uuid");
1342 ffio_wfourcc(pb, "USMT");
1343 avio_wb32(pb, 0x21d24fce);
1344 avio_wb32(pb, 0xbb88695c);
1345 avio_wb32(pb, 0xfac9c740);
1346 avio_wb32(pb, 0x1c); // another size here!
1347 ffio_wfourcc(pb, "MTDT");
1348 avio_wb32(pb, 0x00010012);
1349 avio_wb32(pb, 0x0a);
1350 avio_wb32(pb, 0x55c40000);
1356 static int mov_write_udta_sdp(AVIOContext *pb, AVCodecContext *ctx, int index)
1358 char buf[1000] = "";
1361 ff_sdp_write_media(buf, sizeof(buf), ctx, NULL, NULL, 0, 0);
1362 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", index);
1365 avio_wb32(pb, len + 24);
1366 ffio_wfourcc(pb, "udta");
1367 avio_wb32(pb, len + 16);
1368 ffio_wfourcc(pb, "hnti");
1369 avio_wb32(pb, len + 8);
1370 ffio_wfourcc(pb, "sdp ");
1371 avio_write(pb, buf, len);
1375 static int mov_write_trak_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1377 int64_t pos = avio_tell(pb);
1378 avio_wb32(pb, 0); /* size */
1379 ffio_wfourcc(pb, "trak");
1380 mov_write_tkhd_tag(pb, track, st);
1381 if (track->mode == MODE_PSP || track->flags & MOV_TRACK_CTTS || track->cluster[0].dts)
1382 mov_write_edts_tag(pb, track); // PSP Movies require edts box
1383 if (track->tref_tag)
1384 mov_write_tref_tag(pb, track);
1385 mov_write_mdia_tag(pb, track);
1386 if (track->mode == MODE_PSP)
1387 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
1388 if (track->tag == MKTAG('r','t','p',' '))
1389 mov_write_udta_sdp(pb, track->rtp_ctx->streams[0]->codec, track->trackID);
1390 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && track->mode == MODE_MOV) {
1391 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1392 if (0.0 != sample_aspect_ratio && 1.0 != sample_aspect_ratio)
1393 mov_write_tapt_tag(pb, track);
1395 return updateSize(pb, pos);
1399 /* TODO: Not sorted out, but not necessary either */
1400 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
1402 avio_wb32(pb, 0x15); /* size */
1403 ffio_wfourcc(pb, "iods");
1404 avio_wb32(pb, 0); /* version & flags */
1405 avio_wb16(pb, 0x1007);
1407 avio_wb16(pb, 0x4fff);
1408 avio_wb16(pb, 0xfffe);
1409 avio_wb16(pb, 0x01ff);
1414 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
1416 int maxTrackID = 1, i;
1417 int64_t maxTrackLenTemp, maxTrackLen = 0;
1420 for (i=0; i<mov->nb_streams; i++) {
1421 if(mov->tracks[i].entry > 0) {
1422 maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration,
1424 mov->tracks[i].timescale,
1426 if(maxTrackLen < maxTrackLenTemp)
1427 maxTrackLen = maxTrackLenTemp;
1428 if(maxTrackID < mov->tracks[i].trackID)
1429 maxTrackID = mov->tracks[i].trackID;
1433 version = maxTrackLen < UINT32_MAX ? 0 : 1;
1434 (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
1435 ffio_wfourcc(pb, "mvhd");
1436 avio_w8(pb, version);
1437 avio_wb24(pb, 0); /* flags */
1439 avio_wb64(pb, mov->time);
1440 avio_wb64(pb, mov->time);
1442 avio_wb32(pb, mov->time); /* creation time */
1443 avio_wb32(pb, mov->time); /* modification time */
1445 avio_wb32(pb, MOV_TIMESCALE);
1446 (version == 1) ? avio_wb64(pb, maxTrackLen) : avio_wb32(pb, maxTrackLen); /* duration of longest track */
1448 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1449 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1450 avio_wb16(pb, 0); /* reserved */
1451 avio_wb32(pb, 0); /* reserved */
1452 avio_wb32(pb, 0); /* reserved */
1454 /* Matrix structure */
1455 avio_wb32(pb, 0x00010000); /* reserved */
1456 avio_wb32(pb, 0x0); /* reserved */
1457 avio_wb32(pb, 0x0); /* reserved */
1458 avio_wb32(pb, 0x0); /* reserved */
1459 avio_wb32(pb, 0x00010000); /* reserved */
1460 avio_wb32(pb, 0x0); /* reserved */
1461 avio_wb32(pb, 0x0); /* reserved */
1462 avio_wb32(pb, 0x0); /* reserved */
1463 avio_wb32(pb, 0x40000000); /* reserved */
1465 avio_wb32(pb, 0); /* reserved (preview time) */
1466 avio_wb32(pb, 0); /* reserved (preview duration) */
1467 avio_wb32(pb, 0); /* reserved (poster time) */
1468 avio_wb32(pb, 0); /* reserved (selection time) */
1469 avio_wb32(pb, 0); /* reserved (selection duration) */
1470 avio_wb32(pb, 0); /* reserved (current time) */
1471 avio_wb32(pb, maxTrackID+1); /* Next track id */
1475 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
1478 avio_wb32(pb, 33); /* size */
1479 ffio_wfourcc(pb, "hdlr");
1482 ffio_wfourcc(pb, "mdir");
1483 ffio_wfourcc(pb, "appl");
1490 /* helper function to write a data tag with the specified string as data */
1491 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
1494 int size = 16 + strlen(data);
1495 avio_wb32(pb, size); /* size */
1496 ffio_wfourcc(pb, "data");
1499 avio_write(pb, data, strlen(data));
1503 lang = ff_mov_iso639_to_lang("und", 1);
1504 avio_wb16(pb, strlen(data)); /* string length */
1505 avio_wb16(pb, lang);
1506 avio_write(pb, data, strlen(data));
1507 return strlen(data) + 4;
1511 static int mov_write_string_tag(AVIOContext *pb, const char *name, const char *value, int lang, int long_style){
1513 if (value && value[0]) {
1514 int64_t pos = avio_tell(pb);
1515 avio_wb32(pb, 0); /* size */
1516 ffio_wfourcc(pb, name);
1517 mov_write_string_data_tag(pb, value, lang, long_style);
1518 size= updateSize(pb, pos);
1523 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
1524 const char *name, const char *tag,
1527 int l, lang = 0, len, len2;
1528 AVMetadataTag *t, *t2 = NULL;
1531 if (!(t = av_metadata_get(s->metadata, tag, NULL, 0)))
1534 len = strlen(t->key);
1535 snprintf(tag2, sizeof(tag2), "%s-", tag);
1536 while ((t2 = av_metadata_get(s->metadata, tag2, t2, AV_METADATA_IGNORE_SUFFIX))) {
1537 len2 = strlen(t2->key);
1538 if (len2 == len+4 && !strcmp(t->value, t2->value)
1539 && (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 1)) >= 0) {
1544 return mov_write_string_tag(pb, name, t->value, lang, long_style);
1547 /* iTunes track number */
1548 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
1551 AVMetadataTag *t = av_metadata_get(s->metadata, "track", NULL, 0);
1552 int size = 0, track = t ? atoi(t->value) : 0;
1554 avio_wb32(pb, 32); /* size */
1555 ffio_wfourcc(pb, "trkn");
1556 avio_wb32(pb, 24); /* size */
1557 ffio_wfourcc(pb, "data");
1558 avio_wb32(pb, 0); // 8 bytes empty
1560 avio_wb16(pb, 0); // empty
1561 avio_wb16(pb, track); // track number
1562 avio_wb16(pb, 0); // total track number
1563 avio_wb16(pb, 0); // empty
1569 /* iTunes meta data list */
1570 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
1573 int64_t pos = avio_tell(pb);
1574 avio_wb32(pb, 0); /* size */
1575 ffio_wfourcc(pb, "ilst");
1576 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
1577 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
1578 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
1579 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
1580 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
1581 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
1582 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
1583 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
1584 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
1585 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
1586 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
1587 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
1588 mov_write_string_metadata(s, pb, "desc", "description",1);
1589 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
1590 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
1591 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
1592 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
1593 mov_write_trkn_tag(pb, mov, s);
1594 return updateSize(pb, pos);
1597 /* iTunes meta data tag */
1598 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
1602 int64_t pos = avio_tell(pb);
1603 avio_wb32(pb, 0); /* size */
1604 ffio_wfourcc(pb, "meta");
1606 mov_write_itunes_hdlr_tag(pb, mov, s);
1607 mov_write_ilst_tag(pb, mov, s);
1608 size = updateSize(pb, pos);
1612 static int utf8len(const uint8_t *b)
1617 GET_UTF8(val, *b++, return -1;)
1623 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
1627 GET_UTF8(val, *b++, return -1;)
1630 avio_wb16(pb, 0x00);
1634 static uint16_t language_code(const char *str)
1636 return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
1639 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
1640 const char *tag, const char *str)
1642 int64_t pos = avio_tell(pb);
1643 AVMetadataTag *t = av_metadata_get(s->metadata, str, NULL, 0);
1644 if (!t || !utf8len(t->value))
1646 avio_wb32(pb, 0); /* size */
1647 ffio_wfourcc(pb, tag); /* type */
1648 avio_wb32(pb, 0); /* version + flags */
1649 if (!strcmp(tag, "yrrc"))
1650 avio_wb16(pb, atoi(t->value));
1652 avio_wb16(pb, language_code("eng")); /* language */
1653 avio_write(pb, t->value, strlen(t->value)+1); /* UTF8 string value */
1654 if (!strcmp(tag, "albm") &&
1655 (t = av_metadata_get(s->metadata, "track", NULL, 0)))
1656 avio_w8(pb, atoi(t->value));
1658 return updateSize(pb, pos);
1661 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
1663 int64_t pos = avio_tell(pb);
1664 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
1666 avio_wb32(pb, 0); // size
1667 ffio_wfourcc(pb, "chpl");
1668 avio_wb32(pb, 0x01000000); // version + flags
1669 avio_wb32(pb, 0); // unknown
1670 avio_w8(pb, nb_chapters);
1672 for (i = 0; i < nb_chapters; i++) {
1673 AVChapter *c = s->chapters[i];
1675 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
1677 if ((t = av_metadata_get(c->metadata, "title", NULL, 0))) {
1678 int len = FFMIN(strlen(t->value), 255);
1680 avio_write(pb, t->value, len);
1684 return updateSize(pb, pos);
1687 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
1690 AVIOContext *pb_buf;
1694 for (i = 0; i < s->nb_streams; i++)
1695 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
1699 ret = avio_open_dyn_buf(&pb_buf);
1703 if (mov->mode & MODE_3GP) {
1704 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
1705 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
1706 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
1707 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
1708 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
1709 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
1710 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
1711 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
1712 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
1713 mov_write_string_metadata(s, pb_buf, "\251ART", "artist" , 0);
1714 mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0);
1715 mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0);
1716 mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0);
1717 mov_write_string_metadata(s, pb_buf, "\251day", "date" , 0);
1718 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder" , 0);
1719 mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0);
1720 mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0);
1721 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0);
1723 /* iTunes meta data */
1724 mov_write_meta_tag(pb_buf, mov, s);
1728 mov_write_chpl_tag(pb_buf, s);
1730 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
1731 avio_wb32(pb, size+8);
1732 ffio_wfourcc(pb, "udta");
1733 avio_write(pb, buf, size);
1740 static void mov_write_psp_udta_tag(AVIOContext *pb,
1741 const char *str, const char *lang, int type)
1743 int len = utf8len(str)+1;
1746 avio_wb16(pb, len*2+10); /* size */
1747 avio_wb32(pb, type); /* type */
1748 avio_wb16(pb, language_code(lang)); /* language */
1749 avio_wb16(pb, 0x01); /* ? */
1750 ascii_to_wc(pb, str);
1753 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
1755 AVMetadataTag *title = av_metadata_get(s->metadata, "title", NULL, 0);
1759 pos = avio_tell(pb);
1760 avio_wb32(pb, 0); /* size placeholder*/
1761 ffio_wfourcc(pb, "uuid");
1762 ffio_wfourcc(pb, "USMT");
1763 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
1764 avio_wb32(pb, 0xbb88695c);
1765 avio_wb32(pb, 0xfac9c740);
1767 pos2 = avio_tell(pb);
1768 avio_wb32(pb, 0); /* size placeholder*/
1769 ffio_wfourcc(pb, "MTDT");
1773 avio_wb16(pb, 0x0C); /* size */
1774 avio_wb32(pb, 0x0B); /* type */
1775 avio_wb16(pb, language_code("und")); /* language */
1776 avio_wb16(pb, 0x0); /* ? */
1777 avio_wb16(pb, 0x021C); /* data */
1779 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
1780 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
1781 // 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);
1782 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
1784 updateSize(pb, pos2);
1785 return updateSize(pb, pos);
1791 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
1795 int64_t pos = avio_tell(pb);
1796 avio_wb32(pb, 0); /* size placeholder*/
1797 ffio_wfourcc(pb, "moov");
1799 for (i=0; i<mov->nb_streams; i++) {
1800 if(mov->tracks[i].entry <= 0) continue;
1802 mov->tracks[i].time = mov->time;
1803 mov->tracks[i].trackID = i+1;
1806 if (mov->chapter_track)
1807 for (i=0; i<s->nb_streams; i++) {
1808 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
1809 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].trackID;
1811 for (i = 0; i < mov->nb_streams; i++) {
1812 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
1813 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
1814 mov->tracks[i].tref_id =
1815 mov->tracks[mov->tracks[i].src_track].trackID;
1819 mov_write_mvhd_tag(pb, mov);
1820 //mov_write_iods_tag(pb, mov);
1821 for (i=0; i<mov->nb_streams; i++) {
1822 if(mov->tracks[i].entry > 0) {
1823 mov_write_trak_tag(pb, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
1827 if (mov->mode == MODE_PSP)
1828 mov_write_uuidusmt_tag(pb, s);
1830 mov_write_udta_tag(pb, mov, s);
1832 return updateSize(pb, pos);
1835 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
1837 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
1838 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
1840 mov->mdat_pos = avio_tell(pb);
1841 avio_wb32(pb, 0); /* size placeholder*/
1842 ffio_wfourcc(pb, "mdat");
1846 /* TODO: This needs to be more general */
1847 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
1849 MOVMuxContext *mov = s->priv_data;
1850 int64_t pos = avio_tell(pb);
1851 int has_h264 = 0, has_video = 0;
1855 for (i = 0; i < s->nb_streams; i++) {
1856 AVStream *st = s->streams[i];
1857 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
1859 if (st->codec->codec_id == CODEC_ID_H264)
1863 avio_wb32(pb, 0); /* size */
1864 ffio_wfourcc(pb, "ftyp");
1866 if (mov->mode == MODE_3GP) {
1867 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
1868 minor = has_h264 ? 0x100 : 0x200;
1869 } else if (mov->mode & MODE_3G2) {
1870 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
1871 minor = has_h264 ? 0x20000 : 0x10000;
1872 }else if (mov->mode == MODE_PSP)
1873 ffio_wfourcc(pb, "MSNV");
1874 else if (mov->mode == MODE_MP4)
1875 ffio_wfourcc(pb, "isom");
1876 else if (mov->mode == MODE_IPOD)
1877 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
1879 ffio_wfourcc(pb, "qt ");
1881 avio_wb32(pb, minor);
1883 if(mov->mode == MODE_MOV)
1884 ffio_wfourcc(pb, "qt ");
1886 ffio_wfourcc(pb, "isom");
1887 ffio_wfourcc(pb, "iso2");
1889 ffio_wfourcc(pb, "avc1");
1892 if (mov->mode == MODE_3GP)
1893 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
1894 else if (mov->mode & MODE_3G2)
1895 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
1896 else if (mov->mode == MODE_PSP)
1897 ffio_wfourcc(pb, "MSNV");
1898 else if (mov->mode == MODE_MP4)
1899 ffio_wfourcc(pb, "mp41");
1900 return updateSize(pb, pos);
1903 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
1905 AVCodecContext *VideoCodec = s->streams[0]->codec;
1906 AVCodecContext *AudioCodec = s->streams[1]->codec;
1907 int AudioRate = AudioCodec->sample_rate;
1908 int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num);
1909 int audio_kbitrate= AudioCodec->bit_rate / 1000;
1910 int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate);
1912 avio_wb32(pb, 0x94); /* size */
1913 ffio_wfourcc(pb, "uuid");
1914 ffio_wfourcc(pb, "PROF");
1916 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
1917 avio_wb32(pb, 0xbb88695c);
1918 avio_wb32(pb, 0xfac9c740);
1920 avio_wb32(pb, 0x0); /* ? */
1921 avio_wb32(pb, 0x3); /* 3 sections ? */
1923 avio_wb32(pb, 0x14); /* size */
1924 ffio_wfourcc(pb, "FPRF");
1925 avio_wb32(pb, 0x0); /* ? */
1926 avio_wb32(pb, 0x0); /* ? */
1927 avio_wb32(pb, 0x0); /* ? */
1929 avio_wb32(pb, 0x2c); /* size */
1930 ffio_wfourcc(pb, "APRF");/* audio */
1932 avio_wb32(pb, 0x2); /* TrackID */
1933 ffio_wfourcc(pb, "mp4a");
1934 avio_wb32(pb, 0x20f);
1936 avio_wb32(pb, audio_kbitrate);
1937 avio_wb32(pb, audio_kbitrate);
1938 avio_wb32(pb, AudioRate);
1939 avio_wb32(pb, AudioCodec->channels);
1941 avio_wb32(pb, 0x34); /* size */
1942 ffio_wfourcc(pb, "VPRF"); /* video */
1944 avio_wb32(pb, 0x1); /* TrackID */
1945 if (VideoCodec->codec_id == CODEC_ID_H264) {
1946 ffio_wfourcc(pb, "avc1");
1947 avio_wb16(pb, 0x014D);
1948 avio_wb16(pb, 0x0015);
1950 ffio_wfourcc(pb, "mp4v");
1951 avio_wb16(pb, 0x0000);
1952 avio_wb16(pb, 0x0103);
1955 avio_wb32(pb, video_kbitrate);
1956 avio_wb32(pb, video_kbitrate);
1957 avio_wb32(pb, FrameRate);
1958 avio_wb32(pb, FrameRate);
1959 avio_wb16(pb, VideoCodec->width);
1960 avio_wb16(pb, VideoCodec->height);
1961 avio_wb32(pb, 0x010001); /* ? */
1964 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
1967 int i, closed_gop = 0;
1969 for (i = 0; i < pkt->size - 4; i++) {
1970 c = (c<<8) + pkt->data[i];
1971 if (c == 0x1b8) { // gop
1972 closed_gop = pkt->data[i+4]>>6 & 0x01;
1973 } else if (c == 0x100) { // pic
1974 int temp_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
1975 if (!temp_ref || closed_gop) // I picture is not reordered
1976 *flags = MOV_SYNC_SAMPLE;
1978 *flags = MOV_PARTIAL_SYNC_SAMPLE;
1985 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
1987 MOVMuxContext *mov = s->priv_data;
1988 AVIOContext *pb = s->pb;
1989 MOVTrack *trk = &mov->tracks[pkt->stream_index];
1990 AVCodecContext *enc = trk->enc;
1991 unsigned int samplesInChunk = 0;
1992 int size= pkt->size;
1994 if (!s->pb->seekable) return 0; /* Can't handle that */
1995 if (!size) return 0; /* Discard 0 sized packets */
1997 if (enc->codec_id == CODEC_ID_AMR_NB) {
1998 /* We must find out how many AMR blocks there are in one packet */
1999 static uint16_t packed_size[16] =
2000 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 0};
2003 while (len < size && samplesInChunk < 100) {
2004 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
2007 if(samplesInChunk > 1){
2008 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
2011 } else if (enc->codec_id == CODEC_ID_ADPCM_MS ||
2012 enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
2013 samplesInChunk = enc->frame_size;
2014 } else if (trk->sampleSize)
2015 samplesInChunk = size/trk->sampleSize;
2019 /* copy extradata if it exists */
2020 if (trk->vosLen == 0 && enc->extradata_size > 0) {
2021 trk->vosLen = enc->extradata_size;
2022 trk->vosData = av_malloc(trk->vosLen);
2023 memcpy(trk->vosData, enc->extradata, trk->vosLen);
2026 if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) {
2027 /* from x264 or from bytestream h264 */
2028 /* nal reformating needed */
2029 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
2031 avio_write(pb, pkt->data, size);
2034 if ((enc->codec_id == CODEC_ID_DNXHD ||
2035 enc->codec_id == CODEC_ID_AC3) && !trk->vosLen) {
2036 /* copy frame to create needed atoms */
2038 trk->vosData = av_malloc(size);
2040 return AVERROR(ENOMEM);
2041 memcpy(trk->vosData, pkt->data, size);
2044 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
2045 trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster));
2050 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
2051 trk->cluster[trk->entry].samplesInChunk = samplesInChunk;
2052 trk->cluster[trk->entry].size = size;
2053 trk->cluster[trk->entry].entries = samplesInChunk;
2054 trk->cluster[trk->entry].dts = pkt->dts;
2055 trk->trackDuration = pkt->dts - trk->cluster[0].dts + pkt->duration;
2057 if (pkt->pts == AV_NOPTS_VALUE) {
2058 av_log(s, AV_LOG_WARNING, "pts has no value\n");
2059 pkt->pts = pkt->dts;
2061 if (pkt->dts != pkt->pts)
2062 trk->flags |= MOV_TRACK_CTTS;
2063 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
2064 trk->cluster[trk->entry].flags = 0;
2065 if (pkt->flags & AV_PKT_FLAG_KEY) {
2066 if (mov->mode == MODE_MOV && enc->codec_id == CODEC_ID_MPEG2VIDEO &&
2067 trk->entry > 0) { // force sync sample for the first key frame
2068 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
2069 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
2070 trk->flags |= MOV_TRACK_STPS;
2072 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
2074 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
2075 trk->hasKeyframes++;
2078 trk->sampleCount += samplesInChunk;
2079 mov->mdat_size += size;
2083 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
2084 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry);
2088 // QuickTime chapters involve an additional text track with the chapter names
2089 // as samples, and a tref pointing from the other tracks to the chapter one.
2090 static void mov_create_chapter_track(AVFormatContext *s, int tracknum)
2092 MOVMuxContext *mov = s->priv_data;
2093 MOVTrack *track = &mov->tracks[tracknum];
2094 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
2097 track->mode = mov->mode;
2098 track->tag = MKTAG('t','e','x','t');
2099 track->timescale = MOV_TIMESCALE;
2100 track->enc = avcodec_alloc_context();
2101 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
2103 for (i = 0; i < s->nb_chapters; i++) {
2104 AVChapter *c = s->chapters[i];
2107 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
2108 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
2109 pkt.duration = end - pkt.dts;
2111 if ((t = av_metadata_get(c->metadata, "title", NULL, 0))) {
2112 len = strlen(t->value);
2114 pkt.data = av_malloc(pkt.size);
2115 AV_WB16(pkt.data, len);
2116 memcpy(pkt.data+2, t->value, len);
2117 ff_mov_write_packet(s, &pkt);
2118 av_freep(&pkt.data);
2123 static int mov_write_header(AVFormatContext *s)
2125 AVIOContext *pb = s->pb;
2126 MOVMuxContext *mov = s->priv_data;
2127 int i, hint_track = 0;
2129 if (!s->pb->seekable) {
2130 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
2134 /* Default mode == MP4 */
2135 mov->mode = MODE_MP4;
2137 if (s->oformat != NULL) {
2138 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
2139 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
2140 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
2141 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
2142 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
2144 mov_write_ftyp_tag(pb,s);
2145 if (mov->mode == MODE_PSP) {
2146 if (s->nb_streams != 2) {
2147 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
2150 mov_write_uuidprof_tag(pb,s);
2154 mov->nb_streams = s->nb_streams;
2155 if (mov->mode & (MODE_MOV|MODE_IPOD) && s->nb_chapters)
2156 mov->chapter_track = mov->nb_streams++;
2158 #if FF_API_FLAG_RTP_HINT
2159 if (s->flags & AVFMT_FLAG_RTP_HINT) {
2160 av_log(s, AV_LOG_WARNING, "The RTP_HINT flag is deprecated, enable it "
2161 "via the -movflags rtphint muxer option "
2163 mov->flags |= FF_MOV_FLAG_RTP_HINT;
2166 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
2167 /* Add hint tracks for each audio and video stream */
2168 hint_track = mov->nb_streams;
2169 for (i = 0; i < s->nb_streams; i++) {
2170 AVStream *st = s->streams[i];
2171 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2172 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
2178 mov->tracks = av_mallocz(mov->nb_streams*sizeof(*mov->tracks));
2180 return AVERROR(ENOMEM);
2182 for(i=0; i<s->nb_streams; i++){
2183 AVStream *st= s->streams[i];
2184 MOVTrack *track= &mov->tracks[i];
2185 AVMetadataTag *lang = av_metadata_get(st->metadata, "language", NULL,0);
2187 track->enc = st->codec;
2188 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
2189 if (track->language < 0)
2190 track->language = 0;
2191 track->mode = mov->mode;
2192 track->tag = mov_find_codec_tag(s, track);
2194 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
2195 "codec not currently supported in container\n", i);
2198 /* If hinting of this track is enabled by a later hint track,
2199 * this is updated. */
2200 track->hint_track = -1;
2201 if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
2202 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
2203 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
2204 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
2205 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
2206 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
2209 track->height = track->tag>>24 == 'n' ? 486 : 576;
2211 track->timescale = st->codec->time_base.den;
2212 if (track->mode == MODE_MOV && track->timescale > 100000)
2213 av_log(s, AV_LOG_WARNING,
2214 "WARNING codec timebase is very high. If duration is too long,\n"
2215 "file may not be playable by quicktime. Specify a shorter timebase\n"
2216 "or choose different container.\n");
2217 }else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
2218 track->timescale = st->codec->sample_rate;
2219 if(!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
2220 av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
2222 }else if(st->codec->codec_id == CODEC_ID_ADPCM_MS ||
2223 st->codec->codec_id == CODEC_ID_ADPCM_IMA_WAV){
2224 if (!st->codec->block_align) {
2225 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
2228 track->sampleSize = st->codec->block_align;
2229 }else if(st->codec->frame_size > 1){ /* assume compressed audio */
2230 track->audio_vbr = 1;
2232 st->codec->frame_size = 1;
2233 track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
2235 if (track->mode != MODE_MOV) {
2236 if (track->timescale > UINT16_MAX) {
2237 av_log(s, AV_LOG_ERROR, "track %d: output format does not support "
2238 "sample rate %dhz\n", i, track->timescale);
2241 if (track->enc->codec_id == CODEC_ID_MP3 && track->timescale < 16000) {
2242 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
2243 i, track->enc->sample_rate);
2247 }else if(st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE){
2248 track->timescale = st->codec->time_base.den;
2251 track->height = st->codec->height;
2253 av_set_pts_info(st, 64, 1, track->timescale);
2256 mov_write_mdat_tag(pb, mov);
2257 mov->time = s->timestamp + 0x7C25B080; //1970 based -> 1904 based
2259 if (mov->chapter_track)
2260 mov_create_chapter_track(s, mov->chapter_track);
2262 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
2263 /* Initialize the hint tracks for each audio and video stream */
2264 for (i = 0; i < s->nb_streams; i++) {
2265 AVStream *st = s->streams[i];
2266 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2267 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
2268 ff_mov_init_hinting(s, hint_track, i);
2278 av_freep(&mov->tracks);
2282 static int mov_write_trailer(AVFormatContext *s)
2284 MOVMuxContext *mov = s->priv_data;
2285 AVIOContext *pb = s->pb;
2289 int64_t moov_pos = avio_tell(pb);
2291 /* Write size of mdat tag */
2292 if (mov->mdat_size+8 <= UINT32_MAX) {
2293 avio_seek(pb, mov->mdat_pos, SEEK_SET);
2294 avio_wb32(pb, mov->mdat_size+8);
2296 /* overwrite 'wide' placeholder atom */
2297 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
2298 avio_wb32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */
2299 ffio_wfourcc(pb, "mdat");
2300 avio_wb64(pb, mov->mdat_size+16);
2302 avio_seek(pb, moov_pos, SEEK_SET);
2304 mov_write_moov_tag(pb, mov, s);
2306 if (mov->chapter_track)
2307 av_freep(&mov->tracks[mov->chapter_track].enc);
2309 for (i=0; i<mov->nb_streams; i++) {
2310 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
2311 ff_mov_close_hinting(&mov->tracks[i]);
2312 av_freep(&mov->tracks[i].cluster);
2314 if(mov->tracks[i].vosLen) av_free(mov->tracks[i].vosData);
2320 av_freep(&mov->tracks);
2325 #if CONFIG_MOV_MUXER
2326 AVOutputFormat ff_mov_muxer = {
2328 NULL_IF_CONFIG_SMALL("MOV format"),
2331 sizeof(MOVMuxContext),
2335 ff_mov_write_packet,
2337 .flags = AVFMT_GLOBALHEADER,
2338 .codec_tag = (const AVCodecTag* const []){codec_movvideo_tags, codec_movaudio_tags, 0},
2339 .priv_class = &mov_muxer_class,
2342 #if CONFIG_TGP_MUXER
2343 AVOutputFormat ff_tgp_muxer = {
2345 NULL_IF_CONFIG_SMALL("3GP format"),
2348 sizeof(MOVMuxContext),
2352 ff_mov_write_packet,
2354 .flags = AVFMT_GLOBALHEADER,
2355 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
2356 .priv_class = &mov_muxer_class,
2359 #if CONFIG_MP4_MUXER
2360 AVOutputFormat ff_mp4_muxer = {
2362 NULL_IF_CONFIG_SMALL("MP4 format"),
2365 sizeof(MOVMuxContext),
2369 ff_mov_write_packet,
2371 .flags = AVFMT_GLOBALHEADER,
2372 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
2373 .priv_class = &mov_muxer_class,
2376 #if CONFIG_PSP_MUXER
2377 AVOutputFormat ff_psp_muxer = {
2379 NULL_IF_CONFIG_SMALL("PSP MP4 format"),
2382 sizeof(MOVMuxContext),
2386 ff_mov_write_packet,
2388 .flags = AVFMT_GLOBALHEADER,
2389 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
2390 .priv_class = &mov_muxer_class,
2393 #if CONFIG_TG2_MUXER
2394 AVOutputFormat ff_tg2_muxer = {
2396 NULL_IF_CONFIG_SMALL("3GP2 format"),
2399 sizeof(MOVMuxContext),
2403 ff_mov_write_packet,
2405 .flags = AVFMT_GLOBALHEADER,
2406 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
2407 .priv_class = &mov_muxer_class,
2410 #if CONFIG_IPOD_MUXER
2411 AVOutputFormat ff_ipod_muxer = {
2413 NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"),
2416 sizeof(MOVMuxContext),
2420 ff_mov_write_packet,
2422 .flags = AVFMT_GLOBALHEADER,
2423 .codec_tag = (const AVCodecTag* const []){codec_ipod_tags, 0},
2424 .priv_class = &mov_muxer_class,