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/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 unsigned compute_avg_bitrate(MOVTrack *track)
268 for (i = 0; i < track->entry; i++)
269 size += track->cluster[i].size;
270 return size * 8 * track->timescale / track->trackDuration;
273 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
275 int64_t pos = avio_tell(pb);
276 int decoderSpecificInfoLen = track->vosLen ? 5+track->vosLen : 0;
277 unsigned avg_bitrate;
279 avio_wb32(pb, 0); // size
280 ffio_wfourcc(pb, "esds");
281 avio_wb32(pb, 0); // Version
284 putDescr(pb, 0x03, 3 + 5+13 + decoderSpecificInfoLen + 5+1);
285 avio_wb16(pb, track->trackID);
286 avio_w8(pb, 0x00); // flags (= no flags)
288 // DecoderConfig descriptor
289 putDescr(pb, 0x04, 13 + decoderSpecificInfoLen);
291 // Object type indication
292 if ((track->enc->codec_id == CODEC_ID_MP2 ||
293 track->enc->codec_id == CODEC_ID_MP3) &&
294 track->enc->sample_rate > 24000)
295 avio_w8(pb, 0x6B); // 11172-3
297 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
299 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
300 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
301 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
302 avio_w8(pb, 0x15); // flags (= Audiostream)
304 avio_w8(pb, 0x11); // flags (= Visualstream)
306 avio_w8(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits)
307 avio_wb16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB
309 avg_bitrate = compute_avg_bitrate(track);
310 // maxbitrate (FIXME should be max rate in any 1 sec window)
311 avio_wb32(pb, FFMAX3(track->enc->bit_rate, track->enc->rc_max_rate, avg_bitrate));
312 avio_wb32(pb, avg_bitrate);
315 // DecoderSpecific info descriptor
316 putDescr(pb, 0x05, track->vosLen);
317 avio_write(pb, track->vosData, track->vosLen);
321 putDescr(pb, 0x06, 1);
323 return updateSize(pb, pos);
326 static int mov_pcm_le_gt16(enum CodecID codec_id)
328 return codec_id == CODEC_ID_PCM_S24LE ||
329 codec_id == CODEC_ID_PCM_S32LE ||
330 codec_id == CODEC_ID_PCM_F32LE ||
331 codec_id == CODEC_ID_PCM_F64LE;
334 static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
336 int64_t pos = avio_tell(pb);
338 avio_wl32(pb, track->tag); // store it byteswapped
339 track->enc->codec_tag = av_bswap16(track->tag >> 16);
340 ff_put_wav_header(pb, track->enc);
341 return updateSize(pb, pos);
344 static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
346 int64_t pos = avio_tell(pb);
348 avio_wb32(pb, 0); /* size */
349 ffio_wfourcc(pb, "wave");
351 avio_wb32(pb, 12); /* size */
352 ffio_wfourcc(pb, "frma");
353 avio_wl32(pb, track->tag);
355 if (track->enc->codec_id == CODEC_ID_AAC) {
356 /* useless atom needed by mplayer, ipod, not needed by quicktime */
357 avio_wb32(pb, 12); /* size */
358 ffio_wfourcc(pb, "mp4a");
360 mov_write_esds_tag(pb, track);
361 } else if (mov_pcm_le_gt16(track->enc->codec_id)) {
362 mov_write_enda_tag(pb);
363 } else if (track->enc->codec_id == CODEC_ID_AMR_NB) {
364 mov_write_amr_tag(pb, track);
365 } else if (track->enc->codec_id == CODEC_ID_AC3) {
366 mov_write_ac3_tag(pb, track);
367 } else if (track->enc->codec_id == CODEC_ID_ALAC) {
368 mov_write_extradata_tag(pb, track);
369 } else if (track->enc->codec_id == CODEC_ID_ADPCM_MS ||
370 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
371 mov_write_ms_tag(pb, track);
374 avio_wb32(pb, 8); /* size */
375 avio_wb32(pb, 0); /* null tag */
377 return updateSize(pb, pos);
380 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
382 avio_wb32(pb, track->vosLen+8);
383 ffio_wfourcc(pb, "glbl");
384 avio_write(pb, track->vosData, track->vosLen);
385 return 8+track->vosLen;
389 * Compute flags for 'lpcm' tag.
390 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
392 static int mov_get_lpcm_flags(enum CodecID codec_id)
395 case CODEC_ID_PCM_F32BE:
396 case CODEC_ID_PCM_F64BE:
398 case CODEC_ID_PCM_F32LE:
399 case CODEC_ID_PCM_F64LE:
401 case CODEC_ID_PCM_U8:
403 case CODEC_ID_PCM_S16BE:
404 case CODEC_ID_PCM_S24BE:
405 case CODEC_ID_PCM_S32BE:
407 case CODEC_ID_PCM_S8:
408 case CODEC_ID_PCM_S16LE:
409 case CODEC_ID_PCM_S24LE:
410 case CODEC_ID_PCM_S32LE:
417 static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
419 int64_t pos = avio_tell(pb);
421 uint32_t tag = track->tag;
423 if (track->mode == MODE_MOV) {
424 if (track->timescale > UINT16_MAX) {
425 if (mov_get_lpcm_flags(track->enc->codec_id))
426 tag = AV_RL32("lpcm");
428 } else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id) ||
429 track->enc->codec_id == CODEC_ID_ADPCM_MS ||
430 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
435 avio_wb32(pb, 0); /* size */
436 avio_wl32(pb, tag); // store it byteswapped
437 avio_wb32(pb, 0); /* Reserved */
438 avio_wb16(pb, 0); /* Reserved */
439 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
441 /* SoundDescription */
442 avio_wb16(pb, version); /* Version */
443 avio_wb16(pb, 0); /* Revision level */
444 avio_wb32(pb, 0); /* Reserved */
449 avio_wb16(pb, 0xfffe);
451 avio_wb32(pb, 0x00010000);
453 avio_wb64(pb, av_dbl2int(track->timescale));
454 avio_wb32(pb, track->enc->channels);
455 avio_wb32(pb, 0x7F000000);
456 avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
457 avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
458 avio_wb32(pb, track->sampleSize);
459 avio_wb32(pb, track->enc->frame_size);
461 if (track->mode == MODE_MOV) {
462 avio_wb16(pb, track->enc->channels);
463 if (track->enc->codec_id == CODEC_ID_PCM_U8 ||
464 track->enc->codec_id == CODEC_ID_PCM_S8)
465 avio_wb16(pb, 8); /* bits per sample */
468 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
469 } else { /* reserved for mp4/3gp */
475 avio_wb16(pb, 0); /* packet size (= 0) */
476 avio_wb16(pb, track->timescale); /* Time scale */
477 avio_wb16(pb, 0); /* Reserved */
480 if(version == 1) { /* SoundDescription V1 extended info */
481 avio_wb32(pb, track->enc->frame_size); /* Samples per packet */
482 avio_wb32(pb, track->sampleSize / track->enc->channels); /* Bytes per packet */
483 avio_wb32(pb, track->sampleSize); /* Bytes per frame */
484 avio_wb32(pb, 2); /* Bytes per sample */
487 if(track->mode == MODE_MOV &&
488 (track->enc->codec_id == CODEC_ID_AAC ||
489 track->enc->codec_id == CODEC_ID_AC3 ||
490 track->enc->codec_id == CODEC_ID_AMR_NB ||
491 track->enc->codec_id == CODEC_ID_ALAC ||
492 track->enc->codec_id == CODEC_ID_ADPCM_MS ||
493 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV ||
494 mov_pcm_le_gt16(track->enc->codec_id)))
495 mov_write_wave_tag(pb, track);
496 else if(track->tag == MKTAG('m','p','4','a'))
497 mov_write_esds_tag(pb, track);
498 else if(track->enc->codec_id == CODEC_ID_AMR_NB)
499 mov_write_amr_tag(pb, track);
500 else if(track->enc->codec_id == CODEC_ID_AC3)
501 mov_write_ac3_tag(pb, track);
502 else if(track->enc->codec_id == CODEC_ID_ALAC)
503 mov_write_extradata_tag(pb, track);
504 else if(track->vosLen > 0)
505 mov_write_glbl_tag(pb, track);
507 return updateSize(pb, pos);
510 static int mov_write_d263_tag(AVIOContext *pb)
512 avio_wb32(pb, 0xf); /* size */
513 ffio_wfourcc(pb, "d263");
514 ffio_wfourcc(pb, "FFMP");
515 avio_w8(pb, 0); /* decoder version */
516 /* FIXME use AVCodecContext level/profile, when encoder will set values */
517 avio_w8(pb, 0xa); /* level */
518 avio_w8(pb, 0); /* profile */
522 /* TODO: No idea about these values */
523 static int mov_write_svq3_tag(AVIOContext *pb)
526 ffio_wfourcc(pb, "SMI ");
527 ffio_wfourcc(pb, "SEQH");
529 avio_wb32(pb, 0xe2c0211d);
530 avio_wb32(pb, 0xc0000000);
535 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
537 int64_t pos = avio_tell(pb);
540 ffio_wfourcc(pb, "avcC");
541 ff_isom_write_avcc(pb, track->vosData, track->vosLen);
542 return updateSize(pb, pos);
545 /* also used by all avid codecs (dv, imx, meridien) and their variants */
546 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
549 avio_wb32(pb, 24); /* size */
550 ffio_wfourcc(pb, "ACLR");
551 ffio_wfourcc(pb, "ACLR");
552 ffio_wfourcc(pb, "0001");
553 avio_wb32(pb, 2); /* yuv range: full 1 / normal 2 */
554 avio_wb32(pb, 0); /* unknown */
556 avio_wb32(pb, 24); /* size */
557 ffio_wfourcc(pb, "APRG");
558 ffio_wfourcc(pb, "APRG");
559 ffio_wfourcc(pb, "0001");
560 avio_wb32(pb, 1); /* unknown */
561 avio_wb32(pb, 0); /* unknown */
563 avio_wb32(pb, 120); /* size */
564 ffio_wfourcc(pb, "ARES");
565 ffio_wfourcc(pb, "ARES");
566 ffio_wfourcc(pb, "0001");
567 avio_wb32(pb, AV_RB32(track->vosData + 0x28)); /* dnxhd cid, some id ? */
568 avio_wb32(pb, track->enc->width);
569 /* values below are based on samples created with quicktime and avid codecs */
570 if (track->vosData[5] & 2) { // interlaced
571 avio_wb32(pb, track->enc->height/2);
572 avio_wb32(pb, 2); /* unknown */
573 avio_wb32(pb, 0); /* unknown */
574 avio_wb32(pb, 4); /* unknown */
576 avio_wb32(pb, track->enc->height);
577 avio_wb32(pb, 1); /* unknown */
578 avio_wb32(pb, 0); /* unknown */
579 if (track->enc->height == 1080)
580 avio_wb32(pb, 5); /* unknown */
582 avio_wb32(pb, 6); /* unknown */
585 for (i = 0; i < 10; i++)
588 /* extra padding for stsd needed */
593 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
595 int tag = track->enc->codec_tag;
597 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
600 if (track->enc->codec_id == CODEC_ID_H264) tag = MKTAG('a','v','c','1');
601 else if (track->enc->codec_id == CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
602 else if (track->enc->codec_id == CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
603 else if (track->enc->codec_id == CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
604 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
605 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
610 static const AVCodecTag codec_ipod_tags[] = {
611 { CODEC_ID_H264, MKTAG('a','v','c','1') },
612 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
613 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
614 { CODEC_ID_ALAC, MKTAG('a','l','a','c') },
615 { CODEC_ID_AC3, MKTAG('a','c','-','3') },
616 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
617 { CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
618 { CODEC_ID_NONE, 0 },
621 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
623 int tag = track->enc->codec_tag;
625 // keep original tag for subs, ipod supports both formats
626 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
627 (tag == MKTAG('t','x','3','g') ||
628 tag == MKTAG('t','e','x','t'))))
629 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
631 if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v"))
632 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
633 "Quicktime/Ipod might not play the file\n");
638 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
642 if (track->enc->width == 720) /* SD */
643 if (track->enc->height == 480) /* NTSC */
644 if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
645 else tag = MKTAG('d','v','c',' ');
646 else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
647 else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
648 else tag = MKTAG('d','v','p','p');
649 else if (track->enc->height == 720) /* HD 720 line */
650 if (track->enc->time_base.den == 50) tag = MKTAG('d','v','h','q');
651 else tag = MKTAG('d','v','h','p');
652 else if (track->enc->height == 1080) /* HD 1080 line */
653 if (track->enc->time_base.den == 25) tag = MKTAG('d','v','h','5');
654 else tag = MKTAG('d','v','h','6');
656 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
663 static const struct {
664 enum PixelFormat pix_fmt;
667 } mov_pix_fmt_tags[] = {
668 { PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
669 { PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
670 { PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
671 { PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
672 { PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
673 { PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
674 { PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
675 { PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
676 { PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
677 { PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
678 { PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
679 { PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
680 { PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
681 { PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
684 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
686 int tag = track->enc->codec_tag;
689 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
690 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
691 tag = mov_pix_fmt_tags[i].tag;
692 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
700 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
702 int tag = track->enc->codec_tag;
704 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
705 (track->enc->codec_id == CODEC_ID_DVVIDEO ||
706 track->enc->codec_id == CODEC_ID_RAWVIDEO ||
707 track->enc->codec_id == CODEC_ID_H263 ||
708 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
709 if (track->enc->codec_id == CODEC_ID_DVVIDEO)
710 tag = mov_get_dv_codec_tag(s, track);
711 else if (track->enc->codec_id == CODEC_ID_RAWVIDEO)
712 tag = mov_get_rawvideo_codec_tag(s, track);
713 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
714 tag = ff_codec_get_tag(codec_movvideo_tags, track->enc->codec_id);
715 if (!tag) { // if no mac fcc found, try with Microsoft tags
716 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
718 av_log(s, AV_LOG_INFO, "Warning, using MS style video codec tag, "
719 "the file may be unplayable!\n");
721 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
722 tag = ff_codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
723 if (!tag) { // if no mac fcc found, try with Microsoft tags
724 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
726 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
727 av_log(s, AV_LOG_INFO, "Warning, using MS style audio codec tag, "
728 "the file may be unplayable!\n");
731 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
732 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
738 static const AVCodecTag codec_3gp_tags[] = {
739 { CODEC_ID_H263, MKTAG('s','2','6','3') },
740 { CODEC_ID_H264, MKTAG('a','v','c','1') },
741 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
742 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
743 { CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
744 { CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
745 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
746 { CODEC_ID_NONE, 0 },
749 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
751 int tag = track->enc->codec_tag;
753 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
754 tag = mp4_get_codec_tag(s, track);
755 else if (track->mode == MODE_IPOD)
756 tag = ipod_get_codec_tag(s, track);
757 else if (track->mode & MODE_3GP)
758 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
760 tag = mov_get_codec_tag(s, track);
766 * Needed to make file play in iPods running newest firmware
767 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
769 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
772 ffio_wfourcc(pb, "uuid");
773 avio_wb32(pb, 0x6b6840f2);
774 avio_wb32(pb, 0x5f244fc5);
775 avio_wb32(pb, 0xba39a51b);
776 avio_wb32(pb, 0xcf0323f3);
781 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
783 int64_t pos = avio_tell(pb);
784 avio_wb32(pb, 0); /* size */
785 avio_wl32(pb, track->tag); // store it byteswapped
786 avio_wb32(pb, 0); /* Reserved */
787 avio_wb16(pb, 0); /* Reserved */
788 avio_wb16(pb, 1); /* Data-reference index */
790 if (track->enc->extradata_size)
791 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
793 return updateSize(pb, pos);
796 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
799 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
800 track->enc->sample_aspect_ratio.den, INT_MAX);
803 ffio_wfourcc(pb, "pasp");
804 avio_wb32(pb, sar.num);
805 avio_wb32(pb, sar.den);
809 static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
811 int64_t pos = avio_tell(pb);
812 char compressor_name[32];
814 avio_wb32(pb, 0); /* size */
815 avio_wl32(pb, track->tag); // store it byteswapped
816 avio_wb32(pb, 0); /* Reserved */
817 avio_wb16(pb, 0); /* Reserved */
818 avio_wb16(pb, 1); /* Data-reference index */
820 avio_wb16(pb, 0); /* Codec stream version */
821 avio_wb16(pb, 0); /* Codec stream revision (=0) */
822 if (track->mode == MODE_MOV) {
823 ffio_wfourcc(pb, "FFMP"); /* Vendor */
824 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
825 avio_wb32(pb, 0); /* Temporal Quality */
826 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
828 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
829 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
832 avio_wb32(pb, 0); /* Reserved */
833 avio_wb32(pb, 0); /* Reserved */
834 avio_wb32(pb, 0); /* Reserved */
836 avio_wb16(pb, track->enc->width); /* Video width */
837 avio_wb16(pb, track->height); /* Video height */
838 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
839 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
840 avio_wb32(pb, 0); /* Data size (= 0) */
841 avio_wb16(pb, 1); /* Frame count (= 1) */
843 memset(compressor_name,0,32);
844 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
845 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
846 av_strlcpy(compressor_name,track->enc->codec->name,32);
847 avio_w8(pb, strlen(compressor_name));
848 avio_write(pb, compressor_name, 31);
850 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
851 avio_wb16(pb, track->enc->bits_per_coded_sample);
853 avio_wb16(pb, 0x18); /* Reserved */
854 avio_wb16(pb, 0xffff); /* Reserved */
855 if(track->tag == MKTAG('m','p','4','v'))
856 mov_write_esds_tag(pb, track);
857 else if(track->enc->codec_id == CODEC_ID_H263)
858 mov_write_d263_tag(pb);
859 else if(track->enc->codec_id == CODEC_ID_SVQ3)
860 mov_write_svq3_tag(pb);
861 else if(track->enc->codec_id == CODEC_ID_DNXHD)
862 mov_write_avid_tag(pb, track);
863 else if(track->enc->codec_id == CODEC_ID_H264) {
864 mov_write_avcc_tag(pb, track);
865 if(track->mode == MODE_IPOD)
866 mov_write_uuid_tag_ipod(pb);
867 } else if(track->vosLen > 0)
868 mov_write_glbl_tag(pb, track);
870 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
871 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
872 mov_write_pasp_tag(pb, track);
875 return updateSize(pb, pos);
878 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
880 int64_t pos = avio_tell(pb);
881 avio_wb32(pb, 0); /* size */
882 ffio_wfourcc(pb, "rtp ");
883 avio_wb32(pb, 0); /* Reserved */
884 avio_wb16(pb, 0); /* Reserved */
885 avio_wb16(pb, 1); /* Data-reference index */
887 avio_wb16(pb, 1); /* Hint track version */
888 avio_wb16(pb, 1); /* Highest compatible version */
889 avio_wb32(pb, track->max_packet_size); /* Max packet size */
891 avio_wb32(pb, 12); /* size */
892 ffio_wfourcc(pb, "tims");
893 avio_wb32(pb, track->timescale);
895 return updateSize(pb, pos);
898 static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
900 int64_t pos = avio_tell(pb);
901 avio_wb32(pb, 0); /* size */
902 ffio_wfourcc(pb, "stsd");
903 avio_wb32(pb, 0); /* version & flags */
904 avio_wb32(pb, 1); /* entry count */
905 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
906 mov_write_video_tag(pb, track);
907 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
908 mov_write_audio_tag(pb, track);
909 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
910 mov_write_subtitle_tag(pb, track);
911 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
912 mov_write_rtp_tag(pb, track);
913 return updateSize(pb, pos);
916 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
918 MOVStts *ctts_entries;
919 uint32_t entries = 0;
923 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
924 ctts_entries[0].count = 1;
925 ctts_entries[0].duration = track->cluster[0].cts;
926 for (i=1; i<track->entry; i++) {
927 if (track->cluster[i].cts == ctts_entries[entries].duration) {
928 ctts_entries[entries].count++; /* compress */
931 ctts_entries[entries].duration = track->cluster[i].cts;
932 ctts_entries[entries].count = 1;
935 entries++; /* last one */
936 atom_size = 16 + (entries * 8);
937 avio_wb32(pb, atom_size); /* size */
938 ffio_wfourcc(pb, "ctts");
939 avio_wb32(pb, 0); /* version & flags */
940 avio_wb32(pb, entries); /* entry count */
941 for (i=0; i<entries; i++) {
942 avio_wb32(pb, ctts_entries[i].count);
943 avio_wb32(pb, ctts_entries[i].duration);
945 av_free(ctts_entries);
949 /* Time to sample atom */
950 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
952 MOVStts *stts_entries;
953 uint32_t entries = -1;
957 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
958 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
959 stts_entries[0].count = track->sampleCount;
960 stts_entries[0].duration = 1;
963 stts_entries = av_malloc(track->entry * sizeof(*stts_entries)); /* worst case */
964 for (i=0; i<track->entry; i++) {
965 int64_t duration = i + 1 == track->entry ?
966 track->trackDuration - track->cluster[i].dts + track->cluster[0].dts : /* readjusting */
967 track->cluster[i+1].dts - track->cluster[i].dts;
968 if (i && duration == stts_entries[entries].duration) {
969 stts_entries[entries].count++; /* compress */
972 stts_entries[entries].duration = duration;
973 stts_entries[entries].count = 1;
976 entries++; /* last one */
978 atom_size = 16 + (entries * 8);
979 avio_wb32(pb, atom_size); /* size */
980 ffio_wfourcc(pb, "stts");
981 avio_wb32(pb, 0); /* version & flags */
982 avio_wb32(pb, entries); /* entry count */
983 for (i=0; i<entries; i++) {
984 avio_wb32(pb, stts_entries[i].count);
985 avio_wb32(pb, stts_entries[i].duration);
987 av_free(stts_entries);
991 static int mov_write_dref_tag(AVIOContext *pb)
993 avio_wb32(pb, 28); /* size */
994 ffio_wfourcc(pb, "dref");
995 avio_wb32(pb, 0); /* version & flags */
996 avio_wb32(pb, 1); /* entry count */
998 avio_wb32(pb, 0xc); /* size */
999 ffio_wfourcc(pb, "url ");
1000 avio_wb32(pb, 1); /* version & flags */
1005 static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
1007 int64_t pos = avio_tell(pb);
1008 avio_wb32(pb, 0); /* size */
1009 ffio_wfourcc(pb, "stbl");
1010 mov_write_stsd_tag(pb, track);
1011 mov_write_stts_tag(pb, track);
1012 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1013 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
1014 track->hasKeyframes && track->hasKeyframes < track->entry)
1015 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1016 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1017 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
1018 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1019 track->flags & MOV_TRACK_CTTS)
1020 mov_write_ctts_tag(pb, track);
1021 mov_write_stsc_tag(pb, track);
1022 mov_write_stsz_tag(pb, track);
1023 mov_write_stco_tag(pb, track);
1024 return updateSize(pb, pos);
1027 static int mov_write_dinf_tag(AVIOContext *pb)
1029 int64_t pos = avio_tell(pb);
1030 avio_wb32(pb, 0); /* size */
1031 ffio_wfourcc(pb, "dinf");
1032 mov_write_dref_tag(pb);
1033 return updateSize(pb, pos);
1036 static int mov_write_nmhd_tag(AVIOContext *pb)
1039 ffio_wfourcc(pb, "nmhd");
1044 static int mov_write_gmhd_tag(AVIOContext *pb)
1046 avio_wb32(pb, 0x20); /* size */
1047 ffio_wfourcc(pb, "gmhd");
1048 avio_wb32(pb, 0x18); /* gmin size */
1049 ffio_wfourcc(pb, "gmin");/* generic media info */
1050 avio_wb32(pb, 0); /* version & flags */
1051 avio_wb16(pb, 0x40); /* graphics mode = */
1052 avio_wb16(pb, 0x8000); /* opColor (r?) */
1053 avio_wb16(pb, 0x8000); /* opColor (g?) */
1054 avio_wb16(pb, 0x8000); /* opColor (b?) */
1055 avio_wb16(pb, 0); /* balance */
1056 avio_wb16(pb, 0); /* reserved */
1060 static int mov_write_smhd_tag(AVIOContext *pb)
1062 avio_wb32(pb, 16); /* size */
1063 ffio_wfourcc(pb, "smhd");
1064 avio_wb32(pb, 0); /* version & flags */
1065 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1066 avio_wb16(pb, 0); /* reserved */
1070 static int mov_write_vmhd_tag(AVIOContext *pb)
1072 avio_wb32(pb, 0x14); /* size (always 0x14) */
1073 ffio_wfourcc(pb, "vmhd");
1074 avio_wb32(pb, 0x01); /* version & flags */
1075 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
1079 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
1081 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1082 int64_t pos = avio_tell(pb);
1084 if (!track) { /* no media --> data handler */
1087 descr = "DataHandler";
1089 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1090 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1092 descr = "VideoHandler";
1093 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1095 descr = "SoundHandler";
1096 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1097 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
1098 else hdlr_type = "text";
1099 descr = "SubtitleHandler";
1100 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1102 descr = "HintHandler";
1106 avio_wb32(pb, 0); /* size */
1107 ffio_wfourcc(pb, "hdlr");
1108 avio_wb32(pb, 0); /* Version & flags */
1109 avio_write(pb, hdlr, 4); /* handler */
1110 ffio_wfourcc(pb, hdlr_type); /* handler type */
1111 avio_wb32(pb ,0); /* reserved */
1112 avio_wb32(pb ,0); /* reserved */
1113 avio_wb32(pb ,0); /* reserved */
1114 if (!track || track->mode == MODE_MOV)
1115 avio_w8(pb, strlen(descr)); /* pascal string */
1116 avio_write(pb, descr, strlen(descr)); /* handler description */
1117 if (track && track->mode != MODE_MOV)
1118 avio_w8(pb, 0); /* c string */
1119 return updateSize(pb, pos);
1122 static int mov_write_hmhd_tag(AVIOContext *pb)
1124 /* This atom must be present, but leaving the values at zero
1125 * seems harmless. */
1126 avio_wb32(pb, 28); /* size */
1127 ffio_wfourcc(pb, "hmhd");
1128 avio_wb32(pb, 0); /* version, flags */
1129 avio_wb16(pb, 0); /* maxPDUsize */
1130 avio_wb16(pb, 0); /* avgPDUsize */
1131 avio_wb32(pb, 0); /* maxbitrate */
1132 avio_wb32(pb, 0); /* avgbitrate */
1133 avio_wb32(pb, 0); /* reserved */
1137 static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
1139 int64_t pos = avio_tell(pb);
1140 avio_wb32(pb, 0); /* size */
1141 ffio_wfourcc(pb, "minf");
1142 if(track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1143 mov_write_vmhd_tag(pb);
1144 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1145 mov_write_smhd_tag(pb);
1146 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1147 if (track->tag == MKTAG('t','e','x','t')) mov_write_gmhd_tag(pb);
1148 else mov_write_nmhd_tag(pb);
1149 } else if (track->tag == MKTAG('r','t','p',' ')) {
1150 mov_write_hmhd_tag(pb);
1152 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1153 mov_write_hdlr_tag(pb, NULL);
1154 mov_write_dinf_tag(pb);
1155 mov_write_stbl_tag(pb, track);
1156 return updateSize(pb, pos);
1159 static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track)
1161 int version = track->trackDuration < INT32_MAX ? 0 : 1;
1163 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
1164 ffio_wfourcc(pb, "mdhd");
1165 avio_w8(pb, version);
1166 avio_wb24(pb, 0); /* flags */
1168 avio_wb64(pb, track->time);
1169 avio_wb64(pb, track->time);
1171 avio_wb32(pb, track->time); /* creation time */
1172 avio_wb32(pb, track->time); /* modification time */
1174 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
1175 (version == 1) ? avio_wb64(pb, track->trackDuration) : avio_wb32(pb, track->trackDuration); /* duration */
1176 avio_wb16(pb, track->language); /* language */
1177 avio_wb16(pb, 0); /* reserved (quality) */
1179 if(version!=0 && track->mode == MODE_MOV){
1180 av_log(NULL, AV_LOG_ERROR,
1181 "FATAL error, file duration too long for timebase, this file will not be\n"
1182 "playable with quicktime. Choose a different timebase or a different\n"
1183 "container format\n");
1189 static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track)
1191 int64_t pos = avio_tell(pb);
1192 avio_wb32(pb, 0); /* size */
1193 ffio_wfourcc(pb, "mdia");
1194 mov_write_mdhd_tag(pb, track);
1195 mov_write_hdlr_tag(pb, track);
1196 mov_write_minf_tag(pb, track);
1197 return updateSize(pb, pos);
1200 static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1202 int64_t duration = av_rescale_rnd(track->trackDuration, MOV_TIMESCALE,
1203 track->timescale, AV_ROUND_UP);
1204 int version = duration < INT32_MAX ? 0 : 1;
1206 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
1207 ffio_wfourcc(pb, "tkhd");
1208 avio_w8(pb, version);
1209 avio_wb24(pb, 0xf); /* flags (track enabled) */
1211 avio_wb64(pb, track->time);
1212 avio_wb64(pb, track->time);
1214 avio_wb32(pb, track->time); /* creation time */
1215 avio_wb32(pb, track->time); /* modification time */
1217 avio_wb32(pb, track->trackID); /* track-id */
1218 avio_wb32(pb, 0); /* reserved */
1219 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
1221 avio_wb32(pb, 0); /* reserved */
1222 avio_wb32(pb, 0); /* reserved */
1223 avio_wb32(pb, 0x0); /* reserved (Layer & Alternate group) */
1224 /* Volume, only for audio */
1225 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1226 avio_wb16(pb, 0x0100);
1229 avio_wb16(pb, 0); /* reserved */
1231 /* Matrix structure */
1232 avio_wb32(pb, 0x00010000); /* reserved */
1233 avio_wb32(pb, 0x0); /* reserved */
1234 avio_wb32(pb, 0x0); /* reserved */
1235 avio_wb32(pb, 0x0); /* reserved */
1236 avio_wb32(pb, 0x00010000); /* reserved */
1237 avio_wb32(pb, 0x0); /* reserved */
1238 avio_wb32(pb, 0x0); /* reserved */
1239 avio_wb32(pb, 0x0); /* reserved */
1240 avio_wb32(pb, 0x40000000); /* reserved */
1242 /* Track width and height, for visual only */
1243 if(st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1244 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
1245 if(track->mode == MODE_MOV) {
1246 avio_wb32(pb, track->enc->width << 16);
1247 avio_wb32(pb, track->height << 16);
1249 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1250 if(!sample_aspect_ratio || track->height != track->enc->height)
1251 sample_aspect_ratio = 1;
1252 avio_wb32(pb, sample_aspect_ratio * track->enc->width*0x10000);
1253 avio_wb32(pb, track->height*0x10000);
1263 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
1265 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
1266 track->enc->sample_aspect_ratio.den);
1268 int64_t pos = avio_tell(pb);
1270 avio_wb32(pb, 0); /* size */
1271 ffio_wfourcc(pb, "tapt");
1274 ffio_wfourcc(pb, "clef");
1276 avio_wb32(pb, width << 16);
1277 avio_wb32(pb, track->enc->height << 16);
1280 ffio_wfourcc(pb, "enof");
1282 avio_wb32(pb, track->enc->width << 16);
1283 avio_wb32(pb, track->enc->height << 16);
1285 return updateSize(pb, pos);
1288 // This box seems important for the psp playback ... without it the movie seems to hang
1289 static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track)
1291 int64_t duration = av_rescale_rnd(track->trackDuration, MOV_TIMESCALE,
1292 track->timescale, AV_ROUND_UP);
1293 int version = duration < INT32_MAX ? 0 : 1;
1294 int entry_size, entry_count, size;
1295 int64_t delay, start_ct = track->cluster[0].cts;
1296 delay = av_rescale_rnd(track->cluster[0].dts + start_ct, MOV_TIMESCALE,
1297 track->timescale, AV_ROUND_DOWN);
1298 version |= delay < INT32_MAX ? 0 : 1;
1300 entry_size = (version == 1) ? 20 : 12;
1301 entry_count = 1 + (delay > 0);
1302 size = 24 + entry_count * entry_size;
1304 /* write the atom data */
1305 avio_wb32(pb, size);
1306 ffio_wfourcc(pb, "edts");
1307 avio_wb32(pb, size - 8);
1308 ffio_wfourcc(pb, "elst");
1309 avio_w8(pb, version);
1310 avio_wb24(pb, 0); /* flags */
1312 avio_wb32(pb, entry_count);
1313 if (delay > 0) { /* add an empty edit to delay presentation */
1315 avio_wb64(pb, delay);
1318 avio_wb32(pb, delay);
1321 avio_wb32(pb, 0x00010000);
1326 avio_wb64(pb, duration);
1327 avio_wb64(pb, start_ct);
1329 avio_wb32(pb, duration);
1330 avio_wb32(pb, start_ct);
1332 avio_wb32(pb, 0x00010000);
1336 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
1338 avio_wb32(pb, 20); // size
1339 ffio_wfourcc(pb, "tref");
1340 avio_wb32(pb, 12); // size (subatom)
1341 avio_wl32(pb, track->tref_tag);
1342 avio_wb32(pb, track->tref_id);
1346 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1347 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
1349 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1350 ffio_wfourcc(pb, "uuid");
1351 ffio_wfourcc(pb, "USMT");
1352 avio_wb32(pb, 0x21d24fce);
1353 avio_wb32(pb, 0xbb88695c);
1354 avio_wb32(pb, 0xfac9c740);
1355 avio_wb32(pb, 0x1c); // another size here!
1356 ffio_wfourcc(pb, "MTDT");
1357 avio_wb32(pb, 0x00010012);
1358 avio_wb32(pb, 0x0a);
1359 avio_wb32(pb, 0x55c40000);
1365 static int mov_write_udta_sdp(AVIOContext *pb, AVFormatContext *ctx, int index)
1367 char buf[1000] = "";
1370 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0]->codec, NULL, NULL, 0, 0, ctx->flags);
1371 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", index);
1374 avio_wb32(pb, len + 24);
1375 ffio_wfourcc(pb, "udta");
1376 avio_wb32(pb, len + 16);
1377 ffio_wfourcc(pb, "hnti");
1378 avio_wb32(pb, len + 8);
1379 ffio_wfourcc(pb, "sdp ");
1380 avio_write(pb, buf, len);
1384 static int mov_write_trak_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1386 int64_t pos = avio_tell(pb);
1387 avio_wb32(pb, 0); /* size */
1388 ffio_wfourcc(pb, "trak");
1389 mov_write_tkhd_tag(pb, track, st);
1390 if (track->mode == MODE_PSP || track->flags & MOV_TRACK_CTTS || track->cluster[0].dts)
1391 mov_write_edts_tag(pb, track); // PSP Movies require edts box
1392 if (track->tref_tag)
1393 mov_write_tref_tag(pb, track);
1394 mov_write_mdia_tag(pb, track);
1395 if (track->mode == MODE_PSP)
1396 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
1397 if (track->tag == MKTAG('r','t','p',' '))
1398 mov_write_udta_sdp(pb, track->rtp_ctx, track->trackID);
1399 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && track->mode == MODE_MOV) {
1400 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1401 if (0.0 != sample_aspect_ratio && 1.0 != sample_aspect_ratio)
1402 mov_write_tapt_tag(pb, track);
1404 return updateSize(pb, pos);
1408 /* TODO: Not sorted out, but not necessary either */
1409 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
1411 avio_wb32(pb, 0x15); /* size */
1412 ffio_wfourcc(pb, "iods");
1413 avio_wb32(pb, 0); /* version & flags */
1414 avio_wb16(pb, 0x1007);
1416 avio_wb16(pb, 0x4fff);
1417 avio_wb16(pb, 0xfffe);
1418 avio_wb16(pb, 0x01ff);
1423 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
1425 int maxTrackID = 1, i;
1426 int64_t maxTrackLenTemp, maxTrackLen = 0;
1429 for (i=0; i<mov->nb_streams; i++) {
1430 if(mov->tracks[i].entry > 0) {
1431 maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration,
1433 mov->tracks[i].timescale,
1435 if(maxTrackLen < maxTrackLenTemp)
1436 maxTrackLen = maxTrackLenTemp;
1437 if(maxTrackID < mov->tracks[i].trackID)
1438 maxTrackID = mov->tracks[i].trackID;
1442 version = maxTrackLen < UINT32_MAX ? 0 : 1;
1443 (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
1444 ffio_wfourcc(pb, "mvhd");
1445 avio_w8(pb, version);
1446 avio_wb24(pb, 0); /* flags */
1448 avio_wb64(pb, mov->time);
1449 avio_wb64(pb, mov->time);
1451 avio_wb32(pb, mov->time); /* creation time */
1452 avio_wb32(pb, mov->time); /* modification time */
1454 avio_wb32(pb, MOV_TIMESCALE);
1455 (version == 1) ? avio_wb64(pb, maxTrackLen) : avio_wb32(pb, maxTrackLen); /* duration of longest track */
1457 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1458 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1459 avio_wb16(pb, 0); /* reserved */
1460 avio_wb32(pb, 0); /* reserved */
1461 avio_wb32(pb, 0); /* reserved */
1463 /* Matrix structure */
1464 avio_wb32(pb, 0x00010000); /* reserved */
1465 avio_wb32(pb, 0x0); /* reserved */
1466 avio_wb32(pb, 0x0); /* reserved */
1467 avio_wb32(pb, 0x0); /* reserved */
1468 avio_wb32(pb, 0x00010000); /* reserved */
1469 avio_wb32(pb, 0x0); /* reserved */
1470 avio_wb32(pb, 0x0); /* reserved */
1471 avio_wb32(pb, 0x0); /* reserved */
1472 avio_wb32(pb, 0x40000000); /* reserved */
1474 avio_wb32(pb, 0); /* reserved (preview time) */
1475 avio_wb32(pb, 0); /* reserved (preview duration) */
1476 avio_wb32(pb, 0); /* reserved (poster time) */
1477 avio_wb32(pb, 0); /* reserved (selection time) */
1478 avio_wb32(pb, 0); /* reserved (selection duration) */
1479 avio_wb32(pb, 0); /* reserved (current time) */
1480 avio_wb32(pb, maxTrackID+1); /* Next track id */
1484 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
1487 avio_wb32(pb, 33); /* size */
1488 ffio_wfourcc(pb, "hdlr");
1491 ffio_wfourcc(pb, "mdir");
1492 ffio_wfourcc(pb, "appl");
1499 /* helper function to write a data tag with the specified string as data */
1500 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
1503 int size = 16 + strlen(data);
1504 avio_wb32(pb, size); /* size */
1505 ffio_wfourcc(pb, "data");
1508 avio_write(pb, data, strlen(data));
1512 lang = ff_mov_iso639_to_lang("und", 1);
1513 avio_wb16(pb, strlen(data)); /* string length */
1514 avio_wb16(pb, lang);
1515 avio_write(pb, data, strlen(data));
1516 return strlen(data) + 4;
1520 static int mov_write_string_tag(AVIOContext *pb, const char *name, const char *value, int lang, int long_style){
1522 if (value && value[0]) {
1523 int64_t pos = avio_tell(pb);
1524 avio_wb32(pb, 0); /* size */
1525 ffio_wfourcc(pb, name);
1526 mov_write_string_data_tag(pb, value, lang, long_style);
1527 size= updateSize(pb, pos);
1532 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
1533 const char *name, const char *tag,
1536 int l, lang = 0, len, len2;
1537 AVMetadataTag *t, *t2 = NULL;
1540 if (!(t = av_metadata_get(s->metadata, tag, NULL, 0)))
1543 len = strlen(t->key);
1544 snprintf(tag2, sizeof(tag2), "%s-", tag);
1545 while ((t2 = av_metadata_get(s->metadata, tag2, t2, AV_METADATA_IGNORE_SUFFIX))) {
1546 len2 = strlen(t2->key);
1547 if (len2 == len+4 && !strcmp(t->value, t2->value)
1548 && (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 1)) >= 0) {
1553 return mov_write_string_tag(pb, name, t->value, lang, long_style);
1556 /* iTunes track number */
1557 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
1560 AVMetadataTag *t = av_metadata_get(s->metadata, "track", NULL, 0);
1561 int size = 0, track = t ? atoi(t->value) : 0;
1563 avio_wb32(pb, 32); /* size */
1564 ffio_wfourcc(pb, "trkn");
1565 avio_wb32(pb, 24); /* size */
1566 ffio_wfourcc(pb, "data");
1567 avio_wb32(pb, 0); // 8 bytes empty
1569 avio_wb16(pb, 0); // empty
1570 avio_wb16(pb, track); // track number
1571 avio_wb16(pb, 0); // total track number
1572 avio_wb16(pb, 0); // empty
1578 /* iTunes meta data list */
1579 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
1582 int64_t pos = avio_tell(pb);
1583 avio_wb32(pb, 0); /* size */
1584 ffio_wfourcc(pb, "ilst");
1585 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
1586 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
1587 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
1588 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
1589 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
1590 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
1591 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
1592 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
1593 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
1594 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
1595 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
1596 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
1597 mov_write_string_metadata(s, pb, "desc", "description",1);
1598 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
1599 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
1600 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
1601 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
1602 mov_write_trkn_tag(pb, mov, s);
1603 return updateSize(pb, pos);
1606 /* iTunes meta data tag */
1607 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
1611 int64_t pos = avio_tell(pb);
1612 avio_wb32(pb, 0); /* size */
1613 ffio_wfourcc(pb, "meta");
1615 mov_write_itunes_hdlr_tag(pb, mov, s);
1616 mov_write_ilst_tag(pb, mov, s);
1617 size = updateSize(pb, pos);
1621 static int utf8len(const uint8_t *b)
1626 GET_UTF8(val, *b++, return -1;)
1632 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
1636 GET_UTF8(val, *b++, return -1;)
1639 avio_wb16(pb, 0x00);
1643 static uint16_t language_code(const char *str)
1645 return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
1648 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
1649 const char *tag, const char *str)
1651 int64_t pos = avio_tell(pb);
1652 AVMetadataTag *t = av_metadata_get(s->metadata, str, NULL, 0);
1653 if (!t || !utf8len(t->value))
1655 avio_wb32(pb, 0); /* size */
1656 ffio_wfourcc(pb, tag); /* type */
1657 avio_wb32(pb, 0); /* version + flags */
1658 if (!strcmp(tag, "yrrc"))
1659 avio_wb16(pb, atoi(t->value));
1661 avio_wb16(pb, language_code("eng")); /* language */
1662 avio_write(pb, t->value, strlen(t->value)+1); /* UTF8 string value */
1663 if (!strcmp(tag, "albm") &&
1664 (t = av_metadata_get(s->metadata, "track", NULL, 0)))
1665 avio_w8(pb, atoi(t->value));
1667 return updateSize(pb, pos);
1670 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
1672 int64_t pos = avio_tell(pb);
1673 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
1675 avio_wb32(pb, 0); // size
1676 ffio_wfourcc(pb, "chpl");
1677 avio_wb32(pb, 0x01000000); // version + flags
1678 avio_wb32(pb, 0); // unknown
1679 avio_w8(pb, nb_chapters);
1681 for (i = 0; i < nb_chapters; i++) {
1682 AVChapter *c = s->chapters[i];
1684 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
1686 if ((t = av_metadata_get(c->metadata, "title", NULL, 0))) {
1687 int len = FFMIN(strlen(t->value), 255);
1689 avio_write(pb, t->value, len);
1693 return updateSize(pb, pos);
1696 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
1699 AVIOContext *pb_buf;
1703 for (i = 0; i < s->nb_streams; i++)
1704 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
1708 ret = avio_open_dyn_buf(&pb_buf);
1712 if (mov->mode & MODE_3GP) {
1713 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
1714 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
1715 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
1716 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
1717 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
1718 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
1719 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
1720 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
1721 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
1722 mov_write_string_metadata(s, pb_buf, "\251ART", "artist" , 0);
1723 mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0);
1724 mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0);
1725 mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0);
1726 mov_write_string_metadata(s, pb_buf, "\251day", "date" , 0);
1727 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder" , 0);
1728 mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0);
1729 mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0);
1730 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0);
1732 /* iTunes meta data */
1733 mov_write_meta_tag(pb_buf, mov, s);
1737 mov_write_chpl_tag(pb_buf, s);
1739 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
1740 avio_wb32(pb, size+8);
1741 ffio_wfourcc(pb, "udta");
1742 avio_write(pb, buf, size);
1749 static void mov_write_psp_udta_tag(AVIOContext *pb,
1750 const char *str, const char *lang, int type)
1752 int len = utf8len(str)+1;
1755 avio_wb16(pb, len*2+10); /* size */
1756 avio_wb32(pb, type); /* type */
1757 avio_wb16(pb, language_code(lang)); /* language */
1758 avio_wb16(pb, 0x01); /* ? */
1759 ascii_to_wc(pb, str);
1762 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
1764 AVMetadataTag *title = av_metadata_get(s->metadata, "title", NULL, 0);
1768 pos = avio_tell(pb);
1769 avio_wb32(pb, 0); /* size placeholder*/
1770 ffio_wfourcc(pb, "uuid");
1771 ffio_wfourcc(pb, "USMT");
1772 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
1773 avio_wb32(pb, 0xbb88695c);
1774 avio_wb32(pb, 0xfac9c740);
1776 pos2 = avio_tell(pb);
1777 avio_wb32(pb, 0); /* size placeholder*/
1778 ffio_wfourcc(pb, "MTDT");
1782 avio_wb16(pb, 0x0C); /* size */
1783 avio_wb32(pb, 0x0B); /* type */
1784 avio_wb16(pb, language_code("und")); /* language */
1785 avio_wb16(pb, 0x0); /* ? */
1786 avio_wb16(pb, 0x021C); /* data */
1788 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
1789 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
1790 // 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);
1791 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
1793 updateSize(pb, pos2);
1794 return updateSize(pb, pos);
1800 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
1804 int64_t pos = avio_tell(pb);
1805 avio_wb32(pb, 0); /* size placeholder*/
1806 ffio_wfourcc(pb, "moov");
1808 for (i=0; i<mov->nb_streams; i++) {
1809 if(mov->tracks[i].entry <= 0) continue;
1811 mov->tracks[i].time = mov->time;
1812 mov->tracks[i].trackID = i+1;
1815 if (mov->chapter_track)
1816 for (i=0; i<s->nb_streams; i++) {
1817 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
1818 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].trackID;
1820 for (i = 0; i < mov->nb_streams; i++) {
1821 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
1822 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
1823 mov->tracks[i].tref_id =
1824 mov->tracks[mov->tracks[i].src_track].trackID;
1828 mov_write_mvhd_tag(pb, mov);
1829 //mov_write_iods_tag(pb, mov);
1830 for (i=0; i<mov->nb_streams; i++) {
1831 if(mov->tracks[i].entry > 0) {
1832 mov_write_trak_tag(pb, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
1836 if (mov->mode == MODE_PSP)
1837 mov_write_uuidusmt_tag(pb, s);
1839 mov_write_udta_tag(pb, mov, s);
1841 return updateSize(pb, pos);
1844 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
1846 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
1847 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
1849 mov->mdat_pos = avio_tell(pb);
1850 avio_wb32(pb, 0); /* size placeholder*/
1851 ffio_wfourcc(pb, "mdat");
1855 /* TODO: This needs to be more general */
1856 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
1858 MOVMuxContext *mov = s->priv_data;
1859 int64_t pos = avio_tell(pb);
1860 int has_h264 = 0, has_video = 0;
1864 for (i = 0; i < s->nb_streams; i++) {
1865 AVStream *st = s->streams[i];
1866 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
1868 if (st->codec->codec_id == CODEC_ID_H264)
1872 avio_wb32(pb, 0); /* size */
1873 ffio_wfourcc(pb, "ftyp");
1875 if (mov->mode == MODE_3GP) {
1876 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
1877 minor = has_h264 ? 0x100 : 0x200;
1878 } else if (mov->mode & MODE_3G2) {
1879 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
1880 minor = has_h264 ? 0x20000 : 0x10000;
1881 }else if (mov->mode == MODE_PSP)
1882 ffio_wfourcc(pb, "MSNV");
1883 else if (mov->mode == MODE_MP4)
1884 ffio_wfourcc(pb, "isom");
1885 else if (mov->mode == MODE_IPOD)
1886 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
1888 ffio_wfourcc(pb, "qt ");
1890 avio_wb32(pb, minor);
1892 if(mov->mode == MODE_MOV)
1893 ffio_wfourcc(pb, "qt ");
1895 ffio_wfourcc(pb, "isom");
1896 ffio_wfourcc(pb, "iso2");
1898 ffio_wfourcc(pb, "avc1");
1901 if (mov->mode == MODE_3GP)
1902 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
1903 else if (mov->mode & MODE_3G2)
1904 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
1905 else if (mov->mode == MODE_PSP)
1906 ffio_wfourcc(pb, "MSNV");
1907 else if (mov->mode == MODE_MP4)
1908 ffio_wfourcc(pb, "mp41");
1909 return updateSize(pb, pos);
1912 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
1914 AVCodecContext *VideoCodec = s->streams[0]->codec;
1915 AVCodecContext *AudioCodec = s->streams[1]->codec;
1916 int AudioRate = AudioCodec->sample_rate;
1917 int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num);
1918 int audio_kbitrate= AudioCodec->bit_rate / 1000;
1919 int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate);
1921 avio_wb32(pb, 0x94); /* size */
1922 ffio_wfourcc(pb, "uuid");
1923 ffio_wfourcc(pb, "PROF");
1925 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
1926 avio_wb32(pb, 0xbb88695c);
1927 avio_wb32(pb, 0xfac9c740);
1929 avio_wb32(pb, 0x0); /* ? */
1930 avio_wb32(pb, 0x3); /* 3 sections ? */
1932 avio_wb32(pb, 0x14); /* size */
1933 ffio_wfourcc(pb, "FPRF");
1934 avio_wb32(pb, 0x0); /* ? */
1935 avio_wb32(pb, 0x0); /* ? */
1936 avio_wb32(pb, 0x0); /* ? */
1938 avio_wb32(pb, 0x2c); /* size */
1939 ffio_wfourcc(pb, "APRF");/* audio */
1941 avio_wb32(pb, 0x2); /* TrackID */
1942 ffio_wfourcc(pb, "mp4a");
1943 avio_wb32(pb, 0x20f);
1945 avio_wb32(pb, audio_kbitrate);
1946 avio_wb32(pb, audio_kbitrate);
1947 avio_wb32(pb, AudioRate);
1948 avio_wb32(pb, AudioCodec->channels);
1950 avio_wb32(pb, 0x34); /* size */
1951 ffio_wfourcc(pb, "VPRF"); /* video */
1953 avio_wb32(pb, 0x1); /* TrackID */
1954 if (VideoCodec->codec_id == CODEC_ID_H264) {
1955 ffio_wfourcc(pb, "avc1");
1956 avio_wb16(pb, 0x014D);
1957 avio_wb16(pb, 0x0015);
1959 ffio_wfourcc(pb, "mp4v");
1960 avio_wb16(pb, 0x0000);
1961 avio_wb16(pb, 0x0103);
1964 avio_wb32(pb, video_kbitrate);
1965 avio_wb32(pb, video_kbitrate);
1966 avio_wb32(pb, FrameRate);
1967 avio_wb32(pb, FrameRate);
1968 avio_wb16(pb, VideoCodec->width);
1969 avio_wb16(pb, VideoCodec->height);
1970 avio_wb32(pb, 0x010001); /* ? */
1973 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
1976 int i, closed_gop = 0;
1978 for (i = 0; i < pkt->size - 4; i++) {
1979 c = (c<<8) + pkt->data[i];
1980 if (c == 0x1b8) { // gop
1981 closed_gop = pkt->data[i+4]>>6 & 0x01;
1982 } else if (c == 0x100) { // pic
1983 int temp_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
1984 if (!temp_ref || closed_gop) // I picture is not reordered
1985 *flags = MOV_SYNC_SAMPLE;
1987 *flags = MOV_PARTIAL_SYNC_SAMPLE;
1994 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
1996 MOVMuxContext *mov = s->priv_data;
1997 AVIOContext *pb = s->pb;
1998 MOVTrack *trk = &mov->tracks[pkt->stream_index];
1999 AVCodecContext *enc = trk->enc;
2000 unsigned int samplesInChunk = 0;
2001 int size= pkt->size;
2003 if (!s->pb->seekable) return 0; /* Can't handle that */
2004 if (!size) return 0; /* Discard 0 sized packets */
2006 if (enc->codec_id == CODEC_ID_AMR_NB) {
2007 /* We must find out how many AMR blocks there are in one packet */
2008 static uint16_t packed_size[16] =
2009 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 0};
2012 while (len < size && samplesInChunk < 100) {
2013 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
2016 if(samplesInChunk > 1){
2017 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
2020 } else if (enc->codec_id == CODEC_ID_ADPCM_MS ||
2021 enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
2022 samplesInChunk = enc->frame_size;
2023 } else if (trk->sampleSize)
2024 samplesInChunk = size/trk->sampleSize;
2028 /* copy extradata if it exists */
2029 if (trk->vosLen == 0 && enc->extradata_size > 0) {
2030 trk->vosLen = enc->extradata_size;
2031 trk->vosData = av_malloc(trk->vosLen);
2032 memcpy(trk->vosData, enc->extradata, trk->vosLen);
2035 if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) {
2036 /* from x264 or from bytestream h264 */
2037 /* nal reformating needed */
2038 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
2039 } else if (enc->codec_id == CODEC_ID_AAC && pkt->size > 2 &&
2040 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
2041 av_log(s, AV_LOG_ERROR, "malformated aac bitstream, use -absf aac_adtstoasc\n");
2044 avio_write(pb, pkt->data, size);
2047 if ((enc->codec_id == CODEC_ID_DNXHD ||
2048 enc->codec_id == CODEC_ID_AC3) && !trk->vosLen) {
2049 /* copy frame to create needed atoms */
2051 trk->vosData = av_malloc(size);
2053 return AVERROR(ENOMEM);
2054 memcpy(trk->vosData, pkt->data, size);
2057 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
2058 trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster));
2063 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
2064 trk->cluster[trk->entry].samplesInChunk = samplesInChunk;
2065 trk->cluster[trk->entry].size = size;
2066 trk->cluster[trk->entry].entries = samplesInChunk;
2067 trk->cluster[trk->entry].dts = pkt->dts;
2068 trk->trackDuration = pkt->dts - trk->cluster[0].dts + pkt->duration;
2070 if (pkt->pts == AV_NOPTS_VALUE) {
2071 av_log(s, AV_LOG_WARNING, "pts has no value\n");
2072 pkt->pts = pkt->dts;
2074 if (pkt->dts != pkt->pts)
2075 trk->flags |= MOV_TRACK_CTTS;
2076 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
2077 trk->cluster[trk->entry].flags = 0;
2078 if (pkt->flags & AV_PKT_FLAG_KEY) {
2079 if (mov->mode == MODE_MOV && enc->codec_id == CODEC_ID_MPEG2VIDEO &&
2080 trk->entry > 0) { // force sync sample for the first key frame
2081 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
2082 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
2083 trk->flags |= MOV_TRACK_STPS;
2085 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
2087 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
2088 trk->hasKeyframes++;
2091 trk->sampleCount += samplesInChunk;
2092 mov->mdat_size += size;
2096 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
2097 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry);
2101 // QuickTime chapters involve an additional text track with the chapter names
2102 // as samples, and a tref pointing from the other tracks to the chapter one.
2103 static void mov_create_chapter_track(AVFormatContext *s, int tracknum)
2105 MOVMuxContext *mov = s->priv_data;
2106 MOVTrack *track = &mov->tracks[tracknum];
2107 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
2110 track->mode = mov->mode;
2111 track->tag = MKTAG('t','e','x','t');
2112 track->timescale = MOV_TIMESCALE;
2113 track->enc = avcodec_alloc_context();
2114 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
2116 for (i = 0; i < s->nb_chapters; i++) {
2117 AVChapter *c = s->chapters[i];
2120 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
2121 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
2122 pkt.duration = end - pkt.dts;
2124 if ((t = av_metadata_get(c->metadata, "title", NULL, 0))) {
2125 len = strlen(t->value);
2127 pkt.data = av_malloc(pkt.size);
2128 AV_WB16(pkt.data, len);
2129 memcpy(pkt.data+2, t->value, len);
2130 ff_mov_write_packet(s, &pkt);
2131 av_freep(&pkt.data);
2136 static int mov_write_header(AVFormatContext *s)
2138 AVIOContext *pb = s->pb;
2139 MOVMuxContext *mov = s->priv_data;
2140 int i, hint_track = 0;
2142 if (!s->pb->seekable) {
2143 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
2147 /* Default mode == MP4 */
2148 mov->mode = MODE_MP4;
2150 if (s->oformat != NULL) {
2151 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
2152 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
2153 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
2154 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
2155 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
2157 mov_write_ftyp_tag(pb,s);
2158 if (mov->mode == MODE_PSP) {
2159 if (s->nb_streams != 2) {
2160 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
2163 mov_write_uuidprof_tag(pb,s);
2167 mov->nb_streams = s->nb_streams;
2168 if (mov->mode & (MODE_MOV|MODE_IPOD) && s->nb_chapters)
2169 mov->chapter_track = mov->nb_streams++;
2171 #if FF_API_FLAG_RTP_HINT
2172 if (s->flags & AVFMT_FLAG_RTP_HINT) {
2173 av_log(s, AV_LOG_WARNING, "The RTP_HINT flag is deprecated, enable it "
2174 "via the -movflags rtphint muxer option "
2176 mov->flags |= FF_MOV_FLAG_RTP_HINT;
2179 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
2180 /* Add hint tracks for each audio and video stream */
2181 hint_track = mov->nb_streams;
2182 for (i = 0; i < s->nb_streams; i++) {
2183 AVStream *st = s->streams[i];
2184 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2185 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
2191 mov->tracks = av_mallocz(mov->nb_streams*sizeof(*mov->tracks));
2193 return AVERROR(ENOMEM);
2195 for(i=0; i<s->nb_streams; i++){
2196 AVStream *st= s->streams[i];
2197 MOVTrack *track= &mov->tracks[i];
2198 AVMetadataTag *lang = av_metadata_get(st->metadata, "language", NULL,0);
2200 track->enc = st->codec;
2201 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
2202 if (track->language < 0)
2203 track->language = 0;
2204 track->mode = mov->mode;
2205 track->tag = mov_find_codec_tag(s, track);
2207 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
2208 "codec not currently supported in container\n", i);
2211 /* If hinting of this track is enabled by a later hint track,
2212 * this is updated. */
2213 track->hint_track = -1;
2214 if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
2215 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
2216 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
2217 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
2218 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
2219 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
2222 track->height = track->tag>>24 == 'n' ? 486 : 576;
2224 track->timescale = st->codec->time_base.den;
2225 if (track->mode == MODE_MOV && track->timescale > 100000)
2226 av_log(s, AV_LOG_WARNING,
2227 "WARNING codec timebase is very high. If duration is too long,\n"
2228 "file may not be playable by quicktime. Specify a shorter timebase\n"
2229 "or choose different container.\n");
2230 }else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
2231 track->timescale = st->codec->sample_rate;
2232 if(!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
2233 av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
2235 }else if(st->codec->codec_id == CODEC_ID_ADPCM_MS ||
2236 st->codec->codec_id == CODEC_ID_ADPCM_IMA_WAV){
2237 if (!st->codec->block_align) {
2238 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
2241 track->sampleSize = st->codec->block_align;
2242 }else if(st->codec->frame_size > 1){ /* assume compressed audio */
2243 track->audio_vbr = 1;
2245 st->codec->frame_size = 1;
2246 track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
2248 if (track->mode != MODE_MOV) {
2249 if (track->timescale > UINT16_MAX) {
2250 av_log(s, AV_LOG_ERROR, "track %d: output format does not support "
2251 "sample rate %dhz\n", i, track->timescale);
2254 if (track->enc->codec_id == CODEC_ID_MP3 && track->timescale < 16000) {
2255 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
2256 i, track->enc->sample_rate);
2260 }else if(st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE){
2261 track->timescale = st->codec->time_base.den;
2264 track->height = st->codec->height;
2266 av_set_pts_info(st, 64, 1, track->timescale);
2269 mov_write_mdat_tag(pb, mov);
2270 mov->time = s->timestamp + 0x7C25B080; //1970 based -> 1904 based
2272 if (mov->chapter_track)
2273 mov_create_chapter_track(s, mov->chapter_track);
2275 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
2276 /* Initialize the hint tracks for each audio and video stream */
2277 for (i = 0; i < s->nb_streams; i++) {
2278 AVStream *st = s->streams[i];
2279 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2280 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
2281 ff_mov_init_hinting(s, hint_track, i);
2291 av_freep(&mov->tracks);
2295 static int mov_write_trailer(AVFormatContext *s)
2297 MOVMuxContext *mov = s->priv_data;
2298 AVIOContext *pb = s->pb;
2302 int64_t moov_pos = avio_tell(pb);
2304 /* Write size of mdat tag */
2305 if (mov->mdat_size+8 <= UINT32_MAX) {
2306 avio_seek(pb, mov->mdat_pos, SEEK_SET);
2307 avio_wb32(pb, mov->mdat_size+8);
2309 /* overwrite 'wide' placeholder atom */
2310 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
2311 avio_wb32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */
2312 ffio_wfourcc(pb, "mdat");
2313 avio_wb64(pb, mov->mdat_size+16);
2315 avio_seek(pb, moov_pos, SEEK_SET);
2317 mov_write_moov_tag(pb, mov, s);
2319 if (mov->chapter_track)
2320 av_freep(&mov->tracks[mov->chapter_track].enc);
2322 for (i=0; i<mov->nb_streams; i++) {
2323 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
2324 ff_mov_close_hinting(&mov->tracks[i]);
2325 av_freep(&mov->tracks[i].cluster);
2327 if(mov->tracks[i].vosLen) av_free(mov->tracks[i].vosData);
2333 av_freep(&mov->tracks);
2338 #if CONFIG_MOV_MUXER
2339 AVOutputFormat ff_mov_muxer = {
2341 NULL_IF_CONFIG_SMALL("MOV format"),
2344 sizeof(MOVMuxContext),
2348 ff_mov_write_packet,
2350 .flags = AVFMT_GLOBALHEADER,
2351 .codec_tag = (const AVCodecTag* const []){codec_movvideo_tags, codec_movaudio_tags, 0},
2352 .priv_class = &mov_muxer_class,
2355 #if CONFIG_TGP_MUXER
2356 AVOutputFormat ff_tgp_muxer = {
2358 NULL_IF_CONFIG_SMALL("3GP format"),
2361 sizeof(MOVMuxContext),
2365 ff_mov_write_packet,
2367 .flags = AVFMT_GLOBALHEADER,
2368 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
2369 .priv_class = &mov_muxer_class,
2372 #if CONFIG_MP4_MUXER
2373 AVOutputFormat ff_mp4_muxer = {
2375 NULL_IF_CONFIG_SMALL("MP4 format"),
2378 sizeof(MOVMuxContext),
2382 ff_mov_write_packet,
2384 .flags = AVFMT_GLOBALHEADER,
2385 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
2386 .priv_class = &mov_muxer_class,
2389 #if CONFIG_PSP_MUXER
2390 AVOutputFormat ff_psp_muxer = {
2392 NULL_IF_CONFIG_SMALL("PSP MP4 format"),
2395 sizeof(MOVMuxContext),
2399 ff_mov_write_packet,
2401 .flags = AVFMT_GLOBALHEADER,
2402 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
2403 .priv_class = &mov_muxer_class,
2406 #if CONFIG_TG2_MUXER
2407 AVOutputFormat ff_tg2_muxer = {
2409 NULL_IF_CONFIG_SMALL("3GP2 format"),
2412 sizeof(MOVMuxContext),
2416 ff_mov_write_packet,
2418 .flags = AVFMT_GLOBALHEADER,
2419 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
2420 .priv_class = &mov_muxer_class,
2423 #if CONFIG_IPOD_MUXER
2424 AVOutputFormat ff_ipod_muxer = {
2426 NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"),
2429 sizeof(MOVMuxContext),
2433 ff_mov_write_packet,
2435 .flags = AVFMT_GLOBALHEADER,
2436 .codec_tag = (const AVCodecTag* const []){codec_ipod_tags, 0},
2437 .priv_class = &mov_muxer_class,