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"
36 #include "libavutil/dict.h"
42 static const AVOption options[] = {
43 { "movflags", "MOV muxer flags", offsetof(MOVMuxContext, flags), FF_OPT_TYPE_FLAGS, {.dbl = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
44 { "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" },
45 FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
49 static const AVClass mov_muxer_class = {
50 .class_name = "MOV/3GP/MP4/3G2 muxer",
51 .item_name = av_default_item_name,
53 .version = LIBAVUTIL_VERSION_INT,
56 //FIXME support 64 bit variant with wide placeholders
57 static int64_t updateSize(AVIOContext *pb, int64_t pos)
59 int64_t curpos = avio_tell(pb);
60 avio_seek(pb, pos, SEEK_SET);
61 avio_wb32(pb, curpos - pos); /* rewrite size */
62 avio_seek(pb, curpos, SEEK_SET);
67 /* Chunk offset atom */
68 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
71 int mode64 = 0; // use 32 bit size variant if possible
72 int64_t pos = avio_tell(pb);
73 avio_wb32(pb, 0); /* size */
74 if (pos > UINT32_MAX) {
76 ffio_wfourcc(pb, "co64");
78 ffio_wfourcc(pb, "stco");
79 avio_wb32(pb, 0); /* version & flags */
80 avio_wb32(pb, track->entry); /* entry count */
81 for (i=0; i<track->entry; i++) {
83 avio_wb64(pb, track->cluster[i].pos);
85 avio_wb32(pb, track->cluster[i].pos);
87 return updateSize(pb, pos);
90 /* Sample size atom */
91 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
94 int i, j, entries = 0, tst = -1, oldtst = -1;
96 int64_t pos = avio_tell(pb);
97 avio_wb32(pb, 0); /* size */
98 ffio_wfourcc(pb, "stsz");
99 avio_wb32(pb, 0); /* version & flags */
101 for (i=0; i<track->entry; i++) {
102 tst = track->cluster[i].size/track->cluster[i].entries;
103 if(oldtst != -1 && tst != oldtst) {
107 entries += track->cluster[i].entries;
110 int sSize = track->cluster[0].size/track->cluster[0].entries;
111 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
112 avio_wb32(pb, sSize); // sample size
113 avio_wb32(pb, entries); // sample count
116 avio_wb32(pb, 0); // sample size
117 avio_wb32(pb, entries); // sample count
118 for (i=0; i<track->entry; i++) {
119 for (j=0; j<track->cluster[i].entries; j++) {
120 avio_wb32(pb, track->cluster[i].size /
121 track->cluster[i].entries);
125 return updateSize(pb, pos);
128 /* Sample to chunk atom */
129 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
131 int index = 0, oldval = -1, i;
132 int64_t entryPos, curpos;
134 int64_t pos = avio_tell(pb);
135 avio_wb32(pb, 0); /* size */
136 ffio_wfourcc(pb, "stsc");
137 avio_wb32(pb, 0); // version & flags
138 entryPos = avio_tell(pb);
139 avio_wb32(pb, track->entry); // entry count
140 for (i=0; i<track->entry; i++) {
141 if(oldval != track->cluster[i].samplesInChunk)
143 avio_wb32(pb, i+1); // first chunk
144 avio_wb32(pb, track->cluster[i].samplesInChunk); // samples per chunk
145 avio_wb32(pb, 0x1); // sample description index
146 oldval = track->cluster[i].samplesInChunk;
150 curpos = avio_tell(pb);
151 avio_seek(pb, entryPos, SEEK_SET);
152 avio_wb32(pb, index); // rewrite size
153 avio_seek(pb, curpos, SEEK_SET);
155 return updateSize(pb, pos);
158 /* Sync sample atom */
159 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
161 int64_t curpos, entryPos;
163 int64_t pos = avio_tell(pb);
164 avio_wb32(pb, 0); // size
165 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
166 avio_wb32(pb, 0); // version & flags
167 entryPos = avio_tell(pb);
168 avio_wb32(pb, track->entry); // entry count
169 for (i=0; i<track->entry; i++) {
170 if (track->cluster[i].flags & flag) {
175 curpos = avio_tell(pb);
176 avio_seek(pb, entryPos, SEEK_SET);
177 avio_wb32(pb, index); // rewrite size
178 avio_seek(pb, curpos, SEEK_SET);
179 return updateSize(pb, pos);
182 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
184 avio_wb32(pb, 0x11); /* size */
185 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
186 else ffio_wfourcc(pb, "damr");
187 ffio_wfourcc(pb, "FFMP");
188 avio_w8(pb, 0); /* decoder version */
190 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
191 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
192 avio_w8(pb, 0x01); /* Frames per sample */
196 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
201 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
203 if (track->vosLen < 7)
207 ffio_wfourcc(pb, "dac3");
209 init_get_bits(&gbc, track->vosData+4, track->vosLen-4);
210 fscod = get_bits(&gbc, 2);
211 frmsizecod = get_bits(&gbc, 6);
212 bsid = get_bits(&gbc, 5);
213 bsmod = get_bits(&gbc, 3);
214 acmod = get_bits(&gbc, 3);
216 skip_bits(&gbc, 2); // dsurmod
218 if ((acmod & 1) && acmod != 1)
219 skip_bits(&gbc, 2); // cmixlev
221 skip_bits(&gbc, 2); // surmixlev
223 lfeon = get_bits1(&gbc);
225 init_put_bits(&pbc, buf, sizeof(buf));
226 put_bits(&pbc, 2, fscod);
227 put_bits(&pbc, 5, bsid);
228 put_bits(&pbc, 3, bsmod);
229 put_bits(&pbc, 3, acmod);
230 put_bits(&pbc, 1, lfeon);
231 put_bits(&pbc, 5, frmsizecod>>1); // bit_rate_code
232 put_bits(&pbc, 5, 0); // reserved
234 flush_put_bits(&pbc);
235 avio_write(pb, buf, sizeof(buf));
241 * This function writes extradata "as is".
242 * Extradata must be formated like a valid atom (with size and tag)
244 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
246 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
247 return track->enc->extradata_size;
250 static int mov_write_enda_tag(AVIOContext *pb)
253 ffio_wfourcc(pb, "enda");
254 avio_wb16(pb, 1); /* little endian */
258 static void putDescr(AVIOContext *pb, int tag, unsigned int size)
263 avio_w8(pb, (size>>(7*i)) | 0x80);
264 avio_w8(pb, size & 0x7F);
267 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
269 int64_t pos = avio_tell(pb);
270 int decoderSpecificInfoLen = track->vosLen ? 5+track->vosLen : 0;
272 avio_wb32(pb, 0); // size
273 ffio_wfourcc(pb, "esds");
274 avio_wb32(pb, 0); // Version
277 putDescr(pb, 0x03, 3 + 5+13 + decoderSpecificInfoLen + 5+1);
278 avio_wb16(pb, track->trackID);
279 avio_w8(pb, 0x00); // flags (= no flags)
281 // DecoderConfig descriptor
282 putDescr(pb, 0x04, 13 + decoderSpecificInfoLen);
284 // Object type indication
285 if ((track->enc->codec_id == CODEC_ID_MP2 ||
286 track->enc->codec_id == CODEC_ID_MP3) &&
287 track->enc->sample_rate > 24000)
288 avio_w8(pb, 0x6B); // 11172-3
290 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
292 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
293 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
294 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
295 avio_w8(pb, 0x15); // flags (= Audiostream)
297 avio_w8(pb, 0x11); // flags (= Visualstream)
299 avio_w8(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits)
300 avio_wb16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB
302 avio_wb32(pb, FFMAX(track->enc->bit_rate, track->enc->rc_max_rate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
303 if(track->enc->rc_max_rate != track->enc->rc_min_rate || track->enc->rc_min_rate==0)
304 avio_wb32(pb, 0); // vbr
306 avio_wb32(pb, track->enc->rc_max_rate); // avg bitrate
309 // DecoderSpecific info descriptor
310 putDescr(pb, 0x05, track->vosLen);
311 avio_write(pb, track->vosData, track->vosLen);
315 putDescr(pb, 0x06, 1);
317 return updateSize(pb, pos);
320 static int mov_pcm_le_gt16(enum CodecID codec_id)
322 return codec_id == CODEC_ID_PCM_S24LE ||
323 codec_id == CODEC_ID_PCM_S32LE ||
324 codec_id == CODEC_ID_PCM_F32LE ||
325 codec_id == CODEC_ID_PCM_F64LE;
328 static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
330 int64_t pos = avio_tell(pb);
332 avio_wl32(pb, track->tag); // store it byteswapped
333 track->enc->codec_tag = av_bswap16(track->tag >> 16);
334 ff_put_wav_header(pb, track->enc);
335 return updateSize(pb, pos);
338 static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
340 int64_t pos = avio_tell(pb);
342 avio_wb32(pb, 0); /* size */
343 ffio_wfourcc(pb, "wave");
345 avio_wb32(pb, 12); /* size */
346 ffio_wfourcc(pb, "frma");
347 avio_wl32(pb, track->tag);
349 if (track->enc->codec_id == CODEC_ID_AAC) {
350 /* useless atom needed by mplayer, ipod, not needed by quicktime */
351 avio_wb32(pb, 12); /* size */
352 ffio_wfourcc(pb, "mp4a");
354 mov_write_esds_tag(pb, track);
355 } else if (mov_pcm_le_gt16(track->enc->codec_id)) {
356 mov_write_enda_tag(pb);
357 } else if (track->enc->codec_id == CODEC_ID_AMR_NB) {
358 mov_write_amr_tag(pb, track);
359 } else if (track->enc->codec_id == CODEC_ID_AC3) {
360 mov_write_ac3_tag(pb, track);
361 } else if (track->enc->codec_id == CODEC_ID_ALAC) {
362 mov_write_extradata_tag(pb, track);
363 } else if (track->enc->codec_id == CODEC_ID_ADPCM_MS ||
364 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
365 mov_write_ms_tag(pb, track);
368 avio_wb32(pb, 8); /* size */
369 avio_wb32(pb, 0); /* null tag */
371 return updateSize(pb, pos);
374 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
376 avio_wb32(pb, track->vosLen+8);
377 ffio_wfourcc(pb, "glbl");
378 avio_write(pb, track->vosData, track->vosLen);
379 return 8+track->vosLen;
383 * Compute flags for 'lpcm' tag.
384 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
386 static int mov_get_lpcm_flags(enum CodecID codec_id)
389 case CODEC_ID_PCM_F32BE:
390 case CODEC_ID_PCM_F64BE:
392 case CODEC_ID_PCM_F32LE:
393 case CODEC_ID_PCM_F64LE:
395 case CODEC_ID_PCM_U8:
397 case CODEC_ID_PCM_S16BE:
398 case CODEC_ID_PCM_S24BE:
399 case CODEC_ID_PCM_S32BE:
401 case CODEC_ID_PCM_S8:
402 case CODEC_ID_PCM_S16LE:
403 case CODEC_ID_PCM_S24LE:
404 case CODEC_ID_PCM_S32LE:
411 static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
413 int64_t pos = avio_tell(pb);
415 uint32_t tag = track->tag;
417 if (track->mode == MODE_MOV) {
418 if (track->timescale > UINT16_MAX) {
419 if (mov_get_lpcm_flags(track->enc->codec_id))
420 tag = AV_RL32("lpcm");
422 } else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id) ||
423 track->enc->codec_id == CODEC_ID_ADPCM_MS ||
424 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
429 avio_wb32(pb, 0); /* size */
430 avio_wl32(pb, tag); // store it byteswapped
431 avio_wb32(pb, 0); /* Reserved */
432 avio_wb16(pb, 0); /* Reserved */
433 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
435 /* SoundDescription */
436 avio_wb16(pb, version); /* Version */
437 avio_wb16(pb, 0); /* Revision level */
438 avio_wb32(pb, 0); /* Reserved */
443 avio_wb16(pb, 0xfffe);
445 avio_wb32(pb, 0x00010000);
447 avio_wb64(pb, av_dbl2int(track->timescale));
448 avio_wb32(pb, track->enc->channels);
449 avio_wb32(pb, 0x7F000000);
450 avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
451 avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
452 avio_wb32(pb, track->sampleSize);
453 avio_wb32(pb, track->enc->frame_size);
455 if (track->mode == MODE_MOV) {
456 avio_wb16(pb, track->enc->channels);
457 if (track->enc->codec_id == CODEC_ID_PCM_U8 ||
458 track->enc->codec_id == CODEC_ID_PCM_S8)
459 avio_wb16(pb, 8); /* bits per sample */
462 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
463 } else { /* reserved for mp4/3gp */
469 avio_wb16(pb, 0); /* packet size (= 0) */
470 avio_wb16(pb, track->timescale); /* Time scale */
471 avio_wb16(pb, 0); /* Reserved */
474 if(version == 1) { /* SoundDescription V1 extended info */
475 avio_wb32(pb, track->enc->frame_size); /* Samples per packet */
476 avio_wb32(pb, track->sampleSize / track->enc->channels); /* Bytes per packet */
477 avio_wb32(pb, track->sampleSize); /* Bytes per frame */
478 avio_wb32(pb, 2); /* Bytes per sample */
481 if(track->mode == MODE_MOV &&
482 (track->enc->codec_id == CODEC_ID_AAC ||
483 track->enc->codec_id == CODEC_ID_AC3 ||
484 track->enc->codec_id == CODEC_ID_AMR_NB ||
485 track->enc->codec_id == CODEC_ID_ALAC ||
486 track->enc->codec_id == CODEC_ID_ADPCM_MS ||
487 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV ||
488 mov_pcm_le_gt16(track->enc->codec_id)))
489 mov_write_wave_tag(pb, track);
490 else if(track->tag == MKTAG('m','p','4','a'))
491 mov_write_esds_tag(pb, track);
492 else if(track->enc->codec_id == CODEC_ID_AMR_NB)
493 mov_write_amr_tag(pb, track);
494 else if(track->enc->codec_id == CODEC_ID_AC3)
495 mov_write_ac3_tag(pb, track);
496 else if(track->enc->codec_id == CODEC_ID_ALAC)
497 mov_write_extradata_tag(pb, track);
498 else if(track->vosLen > 0)
499 mov_write_glbl_tag(pb, track);
501 return updateSize(pb, pos);
504 static int mov_write_d263_tag(AVIOContext *pb)
506 avio_wb32(pb, 0xf); /* size */
507 ffio_wfourcc(pb, "d263");
508 ffio_wfourcc(pb, "FFMP");
509 avio_w8(pb, 0); /* decoder version */
510 /* FIXME use AVCodecContext level/profile, when encoder will set values */
511 avio_w8(pb, 0xa); /* level */
512 avio_w8(pb, 0); /* profile */
516 /* TODO: No idea about these values */
517 static int mov_write_svq3_tag(AVIOContext *pb)
520 ffio_wfourcc(pb, "SMI ");
521 ffio_wfourcc(pb, "SEQH");
523 avio_wb32(pb, 0xe2c0211d);
524 avio_wb32(pb, 0xc0000000);
529 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
531 int64_t pos = avio_tell(pb);
534 ffio_wfourcc(pb, "avcC");
535 ff_isom_write_avcc(pb, track->vosData, track->vosLen);
536 return updateSize(pb, pos);
539 /* also used by all avid codecs (dv, imx, meridien) and their variants */
540 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
543 avio_wb32(pb, 24); /* size */
544 ffio_wfourcc(pb, "ACLR");
545 ffio_wfourcc(pb, "ACLR");
546 ffio_wfourcc(pb, "0001");
547 avio_wb32(pb, 2); /* yuv range: full 1 / normal 2 */
548 avio_wb32(pb, 0); /* unknown */
550 avio_wb32(pb, 24); /* size */
551 ffio_wfourcc(pb, "APRG");
552 ffio_wfourcc(pb, "APRG");
553 ffio_wfourcc(pb, "0001");
554 avio_wb32(pb, 1); /* unknown */
555 avio_wb32(pb, 0); /* unknown */
557 avio_wb32(pb, 120); /* size */
558 ffio_wfourcc(pb, "ARES");
559 ffio_wfourcc(pb, "ARES");
560 ffio_wfourcc(pb, "0001");
561 avio_wb32(pb, AV_RB32(track->vosData + 0x28)); /* dnxhd cid, some id ? */
562 avio_wb32(pb, track->enc->width);
563 /* values below are based on samples created with quicktime and avid codecs */
564 if (track->vosData[5] & 2) { // interlaced
565 avio_wb32(pb, track->enc->height/2);
566 avio_wb32(pb, 2); /* unknown */
567 avio_wb32(pb, 0); /* unknown */
568 avio_wb32(pb, 4); /* unknown */
570 avio_wb32(pb, track->enc->height);
571 avio_wb32(pb, 1); /* unknown */
572 avio_wb32(pb, 0); /* unknown */
573 if (track->enc->height == 1080)
574 avio_wb32(pb, 5); /* unknown */
576 avio_wb32(pb, 6); /* unknown */
579 for (i = 0; i < 10; i++)
582 /* extra padding for stsd needed */
587 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
589 int tag = track->enc->codec_tag;
591 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
594 if (track->enc->codec_id == CODEC_ID_H264) tag = MKTAG('a','v','c','1');
595 else if (track->enc->codec_id == CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
596 else if (track->enc->codec_id == CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
597 else if (track->enc->codec_id == CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
598 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
599 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
604 static const AVCodecTag codec_ipod_tags[] = {
605 { CODEC_ID_H264, MKTAG('a','v','c','1') },
606 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
607 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
608 { CODEC_ID_ALAC, MKTAG('a','l','a','c') },
609 { CODEC_ID_AC3, MKTAG('a','c','-','3') },
610 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
611 { CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
612 { CODEC_ID_NONE, 0 },
615 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
617 int tag = track->enc->codec_tag;
619 // keep original tag for subs, ipod supports both formats
620 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
621 (tag == MKTAG('t','x','3','g') ||
622 tag == MKTAG('t','e','x','t'))))
623 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
625 if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v"))
626 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
627 "Quicktime/Ipod might not play the file\n");
632 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
636 if (track->enc->width == 720) /* SD */
637 if (track->enc->height == 480) /* NTSC */
638 if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
639 else tag = MKTAG('d','v','c',' ');
640 else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
641 else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
642 else tag = MKTAG('d','v','p','p');
643 else if (track->enc->height == 720) /* HD 720 line */
644 if (track->enc->time_base.den == 50) tag = MKTAG('d','v','h','q');
645 else tag = MKTAG('d','v','h','p');
646 else if (track->enc->height == 1080) /* HD 1080 line */
647 if (track->enc->time_base.den == 25) tag = MKTAG('d','v','h','5');
648 else tag = MKTAG('d','v','h','6');
650 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
657 static const struct {
658 enum PixelFormat pix_fmt;
661 } mov_pix_fmt_tags[] = {
662 { PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
663 { PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
664 { PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
665 { PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
666 { PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
667 { PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
668 { PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
669 { PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
670 { PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
671 { PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
672 { PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
673 { PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
674 { PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
675 { PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
678 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
680 int tag = track->enc->codec_tag;
683 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
684 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
685 tag = mov_pix_fmt_tags[i].tag;
686 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
694 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
696 int tag = track->enc->codec_tag;
698 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
699 (track->enc->codec_id == CODEC_ID_DVVIDEO ||
700 track->enc->codec_id == CODEC_ID_RAWVIDEO ||
701 track->enc->codec_id == CODEC_ID_H263 ||
702 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
703 if (track->enc->codec_id == CODEC_ID_DVVIDEO)
704 tag = mov_get_dv_codec_tag(s, track);
705 else if (track->enc->codec_id == CODEC_ID_RAWVIDEO)
706 tag = mov_get_rawvideo_codec_tag(s, track);
707 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
708 tag = ff_codec_get_tag(codec_movvideo_tags, track->enc->codec_id);
709 if (!tag) { // if no mac fcc found, try with Microsoft tags
710 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
712 av_log(s, AV_LOG_INFO, "Warning, using MS style video codec tag, "
713 "the file may be unplayable!\n");
715 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
716 tag = ff_codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
717 if (!tag) { // if no mac fcc found, try with Microsoft tags
718 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
720 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
721 av_log(s, AV_LOG_INFO, "Warning, using MS style audio codec tag, "
722 "the file may be unplayable!\n");
725 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
726 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
732 static const AVCodecTag codec_3gp_tags[] = {
733 { CODEC_ID_H263, MKTAG('s','2','6','3') },
734 { CODEC_ID_H264, MKTAG('a','v','c','1') },
735 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
736 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
737 { CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
738 { CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
739 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
740 { CODEC_ID_NONE, 0 },
743 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
745 int tag = track->enc->codec_tag;
747 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
748 tag = mp4_get_codec_tag(s, track);
749 else if (track->mode == MODE_IPOD)
750 tag = ipod_get_codec_tag(s, track);
751 else if (track->mode & MODE_3GP)
752 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
754 tag = mov_get_codec_tag(s, track);
760 * Needed to make file play in iPods running newest firmware
761 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
763 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
766 ffio_wfourcc(pb, "uuid");
767 avio_wb32(pb, 0x6b6840f2);
768 avio_wb32(pb, 0x5f244fc5);
769 avio_wb32(pb, 0xba39a51b);
770 avio_wb32(pb, 0xcf0323f3);
775 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
777 int64_t pos = avio_tell(pb);
778 avio_wb32(pb, 0); /* size */
779 avio_wl32(pb, track->tag); // store it byteswapped
780 avio_wb32(pb, 0); /* Reserved */
781 avio_wb16(pb, 0); /* Reserved */
782 avio_wb16(pb, 1); /* Data-reference index */
784 if (track->enc->extradata_size)
785 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
787 return updateSize(pb, pos);
790 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
793 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
794 track->enc->sample_aspect_ratio.den, INT_MAX);
797 ffio_wfourcc(pb, "pasp");
798 avio_wb32(pb, sar.num);
799 avio_wb32(pb, sar.den);
803 static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
805 int64_t pos = avio_tell(pb);
806 char compressor_name[32];
808 avio_wb32(pb, 0); /* size */
809 avio_wl32(pb, track->tag); // store it byteswapped
810 avio_wb32(pb, 0); /* Reserved */
811 avio_wb16(pb, 0); /* Reserved */
812 avio_wb16(pb, 1); /* Data-reference index */
814 avio_wb16(pb, 0); /* Codec stream version */
815 avio_wb16(pb, 0); /* Codec stream revision (=0) */
816 if (track->mode == MODE_MOV) {
817 ffio_wfourcc(pb, "FFMP"); /* Vendor */
818 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
819 avio_wb32(pb, 0); /* Temporal Quality */
820 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
822 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
823 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
826 avio_wb32(pb, 0); /* Reserved */
827 avio_wb32(pb, 0); /* Reserved */
828 avio_wb32(pb, 0); /* Reserved */
830 avio_wb16(pb, track->enc->width); /* Video width */
831 avio_wb16(pb, track->height); /* Video height */
832 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
833 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
834 avio_wb32(pb, 0); /* Data size (= 0) */
835 avio_wb16(pb, 1); /* Frame count (= 1) */
837 memset(compressor_name,0,32);
838 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
839 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
840 av_strlcpy(compressor_name,track->enc->codec->name,32);
841 avio_w8(pb, strlen(compressor_name));
842 avio_write(pb, compressor_name, 31);
844 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
845 avio_wb16(pb, track->enc->bits_per_coded_sample);
847 avio_wb16(pb, 0x18); /* Reserved */
848 avio_wb16(pb, 0xffff); /* Reserved */
849 if(track->tag == MKTAG('m','p','4','v'))
850 mov_write_esds_tag(pb, track);
851 else if(track->enc->codec_id == CODEC_ID_H263)
852 mov_write_d263_tag(pb);
853 else if(track->enc->codec_id == CODEC_ID_SVQ3)
854 mov_write_svq3_tag(pb);
855 else if(track->enc->codec_id == CODEC_ID_DNXHD)
856 mov_write_avid_tag(pb, track);
857 else if(track->enc->codec_id == CODEC_ID_H264) {
858 mov_write_avcc_tag(pb, track);
859 if(track->mode == MODE_IPOD)
860 mov_write_uuid_tag_ipod(pb);
861 } else if(track->vosLen > 0)
862 mov_write_glbl_tag(pb, track);
864 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
865 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
866 mov_write_pasp_tag(pb, track);
869 return updateSize(pb, pos);
872 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
874 int64_t pos = avio_tell(pb);
875 avio_wb32(pb, 0); /* size */
876 ffio_wfourcc(pb, "rtp ");
877 avio_wb32(pb, 0); /* Reserved */
878 avio_wb16(pb, 0); /* Reserved */
879 avio_wb16(pb, 1); /* Data-reference index */
881 avio_wb16(pb, 1); /* Hint track version */
882 avio_wb16(pb, 1); /* Highest compatible version */
883 avio_wb32(pb, track->max_packet_size); /* Max packet size */
885 avio_wb32(pb, 12); /* size */
886 ffio_wfourcc(pb, "tims");
887 avio_wb32(pb, track->timescale);
889 return updateSize(pb, pos);
892 static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
894 int64_t pos = avio_tell(pb);
895 avio_wb32(pb, 0); /* size */
896 ffio_wfourcc(pb, "stsd");
897 avio_wb32(pb, 0); /* version & flags */
898 avio_wb32(pb, 1); /* entry count */
899 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
900 mov_write_video_tag(pb, track);
901 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
902 mov_write_audio_tag(pb, track);
903 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
904 mov_write_subtitle_tag(pb, track);
905 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
906 mov_write_rtp_tag(pb, track);
907 return updateSize(pb, pos);
910 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
912 MOVStts *ctts_entries;
913 uint32_t entries = 0;
917 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
918 ctts_entries[0].count = 1;
919 ctts_entries[0].duration = track->cluster[0].cts;
920 for (i=1; i<track->entry; i++) {
921 if (track->cluster[i].cts == ctts_entries[entries].duration) {
922 ctts_entries[entries].count++; /* compress */
925 ctts_entries[entries].duration = track->cluster[i].cts;
926 ctts_entries[entries].count = 1;
929 entries++; /* last one */
930 atom_size = 16 + (entries * 8);
931 avio_wb32(pb, atom_size); /* size */
932 ffio_wfourcc(pb, "ctts");
933 avio_wb32(pb, 0); /* version & flags */
934 avio_wb32(pb, entries); /* entry count */
935 for (i=0; i<entries; i++) {
936 avio_wb32(pb, ctts_entries[i].count);
937 avio_wb32(pb, ctts_entries[i].duration);
939 av_free(ctts_entries);
943 /* Time to sample atom */
944 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
946 MOVStts *stts_entries;
947 uint32_t entries = -1;
951 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
952 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
953 stts_entries[0].count = track->sampleCount;
954 stts_entries[0].duration = 1;
957 stts_entries = av_malloc(track->entry * sizeof(*stts_entries)); /* worst case */
958 for (i=0; i<track->entry; i++) {
959 int64_t duration = i + 1 == track->entry ?
960 track->trackDuration - track->cluster[i].dts + track->cluster[0].dts : /* readjusting */
961 track->cluster[i+1].dts - track->cluster[i].dts;
962 if (i && duration == stts_entries[entries].duration) {
963 stts_entries[entries].count++; /* compress */
966 stts_entries[entries].duration = duration;
967 stts_entries[entries].count = 1;
970 entries++; /* last one */
972 atom_size = 16 + (entries * 8);
973 avio_wb32(pb, atom_size); /* size */
974 ffio_wfourcc(pb, "stts");
975 avio_wb32(pb, 0); /* version & flags */
976 avio_wb32(pb, entries); /* entry count */
977 for (i=0; i<entries; i++) {
978 avio_wb32(pb, stts_entries[i].count);
979 avio_wb32(pb, stts_entries[i].duration);
981 av_free(stts_entries);
985 static int mov_write_dref_tag(AVIOContext *pb)
987 avio_wb32(pb, 28); /* size */
988 ffio_wfourcc(pb, "dref");
989 avio_wb32(pb, 0); /* version & flags */
990 avio_wb32(pb, 1); /* entry count */
992 avio_wb32(pb, 0xc); /* size */
993 ffio_wfourcc(pb, "url ");
994 avio_wb32(pb, 1); /* version & flags */
999 static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
1001 int64_t pos = avio_tell(pb);
1002 avio_wb32(pb, 0); /* size */
1003 ffio_wfourcc(pb, "stbl");
1004 mov_write_stsd_tag(pb, track);
1005 mov_write_stts_tag(pb, track);
1006 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1007 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
1008 track->hasKeyframes && track->hasKeyframes < track->entry)
1009 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1010 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1011 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
1012 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1013 track->flags & MOV_TRACK_CTTS)
1014 mov_write_ctts_tag(pb, track);
1015 mov_write_stsc_tag(pb, track);
1016 mov_write_stsz_tag(pb, track);
1017 mov_write_stco_tag(pb, track);
1018 return updateSize(pb, pos);
1021 static int mov_write_dinf_tag(AVIOContext *pb)
1023 int64_t pos = avio_tell(pb);
1024 avio_wb32(pb, 0); /* size */
1025 ffio_wfourcc(pb, "dinf");
1026 mov_write_dref_tag(pb);
1027 return updateSize(pb, pos);
1030 static int mov_write_nmhd_tag(AVIOContext *pb)
1033 ffio_wfourcc(pb, "nmhd");
1038 static int mov_write_gmhd_tag(AVIOContext *pb)
1040 avio_wb32(pb, 0x20); /* size */
1041 ffio_wfourcc(pb, "gmhd");
1042 avio_wb32(pb, 0x18); /* gmin size */
1043 ffio_wfourcc(pb, "gmin");/* generic media info */
1044 avio_wb32(pb, 0); /* version & flags */
1045 avio_wb16(pb, 0x40); /* graphics mode = */
1046 avio_wb16(pb, 0x8000); /* opColor (r?) */
1047 avio_wb16(pb, 0x8000); /* opColor (g?) */
1048 avio_wb16(pb, 0x8000); /* opColor (b?) */
1049 avio_wb16(pb, 0); /* balance */
1050 avio_wb16(pb, 0); /* reserved */
1054 static int mov_write_smhd_tag(AVIOContext *pb)
1056 avio_wb32(pb, 16); /* size */
1057 ffio_wfourcc(pb, "smhd");
1058 avio_wb32(pb, 0); /* version & flags */
1059 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1060 avio_wb16(pb, 0); /* reserved */
1064 static int mov_write_vmhd_tag(AVIOContext *pb)
1066 avio_wb32(pb, 0x14); /* size (always 0x14) */
1067 ffio_wfourcc(pb, "vmhd");
1068 avio_wb32(pb, 0x01); /* version & flags */
1069 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
1073 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
1075 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1076 int64_t pos = avio_tell(pb);
1078 if (!track) { /* no media --> data handler */
1081 descr = "DataHandler";
1083 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1084 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1086 descr = "VideoHandler";
1087 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1089 descr = "SoundHandler";
1090 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1091 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
1092 else hdlr_type = "text";
1093 descr = "SubtitleHandler";
1094 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1096 descr = "HintHandler";
1100 avio_wb32(pb, 0); /* size */
1101 ffio_wfourcc(pb, "hdlr");
1102 avio_wb32(pb, 0); /* Version & flags */
1103 avio_write(pb, hdlr, 4); /* handler */
1104 ffio_wfourcc(pb, hdlr_type); /* handler type */
1105 avio_wb32(pb ,0); /* reserved */
1106 avio_wb32(pb ,0); /* reserved */
1107 avio_wb32(pb ,0); /* reserved */
1108 if (!track || track->mode == MODE_MOV)
1109 avio_w8(pb, strlen(descr)); /* pascal string */
1110 avio_write(pb, descr, strlen(descr)); /* handler description */
1111 if (track && track->mode != MODE_MOV)
1112 avio_w8(pb, 0); /* c string */
1113 return updateSize(pb, pos);
1116 static int mov_write_hmhd_tag(AVIOContext *pb)
1118 /* This atom must be present, but leaving the values at zero
1119 * seems harmless. */
1120 avio_wb32(pb, 28); /* size */
1121 ffio_wfourcc(pb, "hmhd");
1122 avio_wb32(pb, 0); /* version, flags */
1123 avio_wb16(pb, 0); /* maxPDUsize */
1124 avio_wb16(pb, 0); /* avgPDUsize */
1125 avio_wb32(pb, 0); /* maxbitrate */
1126 avio_wb32(pb, 0); /* avgbitrate */
1127 avio_wb32(pb, 0); /* reserved */
1131 static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
1133 int64_t pos = avio_tell(pb);
1134 avio_wb32(pb, 0); /* size */
1135 ffio_wfourcc(pb, "minf");
1136 if(track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1137 mov_write_vmhd_tag(pb);
1138 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1139 mov_write_smhd_tag(pb);
1140 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1141 if (track->tag == MKTAG('t','e','x','t')) mov_write_gmhd_tag(pb);
1142 else mov_write_nmhd_tag(pb);
1143 } else if (track->tag == MKTAG('r','t','p',' ')) {
1144 mov_write_hmhd_tag(pb);
1146 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1147 mov_write_hdlr_tag(pb, NULL);
1148 mov_write_dinf_tag(pb);
1149 mov_write_stbl_tag(pb, track);
1150 return updateSize(pb, pos);
1153 static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track)
1155 int version = track->trackDuration < INT32_MAX ? 0 : 1;
1157 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
1158 ffio_wfourcc(pb, "mdhd");
1159 avio_w8(pb, version);
1160 avio_wb24(pb, 0); /* flags */
1162 avio_wb64(pb, track->time);
1163 avio_wb64(pb, track->time);
1165 avio_wb32(pb, track->time); /* creation time */
1166 avio_wb32(pb, track->time); /* modification time */
1168 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
1169 (version == 1) ? avio_wb64(pb, track->trackDuration) : avio_wb32(pb, track->trackDuration); /* duration */
1170 avio_wb16(pb, track->language); /* language */
1171 avio_wb16(pb, 0); /* reserved (quality) */
1173 if(version!=0 && track->mode == MODE_MOV){
1174 av_log(NULL, AV_LOG_ERROR,
1175 "FATAL error, file duration too long for timebase, this file will not be\n"
1176 "playable with quicktime. Choose a different timebase or a different\n"
1177 "container format\n");
1183 static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track)
1185 int64_t pos = avio_tell(pb);
1186 avio_wb32(pb, 0); /* size */
1187 ffio_wfourcc(pb, "mdia");
1188 mov_write_mdhd_tag(pb, track);
1189 mov_write_hdlr_tag(pb, track);
1190 mov_write_minf_tag(pb, track);
1191 return updateSize(pb, pos);
1194 static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1196 int64_t duration = av_rescale_rnd(track->trackDuration, MOV_TIMESCALE,
1197 track->timescale, AV_ROUND_UP);
1198 int version = duration < INT32_MAX ? 0 : 1;
1200 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
1201 ffio_wfourcc(pb, "tkhd");
1202 avio_w8(pb, version);
1203 avio_wb24(pb, 0xf); /* flags (track enabled) */
1205 avio_wb64(pb, track->time);
1206 avio_wb64(pb, track->time);
1208 avio_wb32(pb, track->time); /* creation time */
1209 avio_wb32(pb, track->time); /* modification time */
1211 avio_wb32(pb, track->trackID); /* track-id */
1212 avio_wb32(pb, 0); /* reserved */
1213 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
1215 avio_wb32(pb, 0); /* reserved */
1216 avio_wb32(pb, 0); /* reserved */
1217 avio_wb32(pb, 0x0); /* reserved (Layer & Alternate group) */
1218 /* Volume, only for audio */
1219 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1220 avio_wb16(pb, 0x0100);
1223 avio_wb16(pb, 0); /* reserved */
1225 /* Matrix structure */
1226 avio_wb32(pb, 0x00010000); /* reserved */
1227 avio_wb32(pb, 0x0); /* reserved */
1228 avio_wb32(pb, 0x0); /* reserved */
1229 avio_wb32(pb, 0x0); /* reserved */
1230 avio_wb32(pb, 0x00010000); /* reserved */
1231 avio_wb32(pb, 0x0); /* reserved */
1232 avio_wb32(pb, 0x0); /* reserved */
1233 avio_wb32(pb, 0x0); /* reserved */
1234 avio_wb32(pb, 0x40000000); /* reserved */
1236 /* Track width and height, for visual only */
1237 if(st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1238 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
1239 if(track->mode == MODE_MOV) {
1240 avio_wb32(pb, track->enc->width << 16);
1241 avio_wb32(pb, track->height << 16);
1243 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1244 if(!sample_aspect_ratio || track->height != track->enc->height)
1245 sample_aspect_ratio = 1;
1246 avio_wb32(pb, sample_aspect_ratio * track->enc->width*0x10000);
1247 avio_wb32(pb, track->height*0x10000);
1257 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
1259 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
1260 track->enc->sample_aspect_ratio.den);
1262 int64_t pos = avio_tell(pb);
1264 avio_wb32(pb, 0); /* size */
1265 ffio_wfourcc(pb, "tapt");
1268 ffio_wfourcc(pb, "clef");
1270 avio_wb32(pb, width << 16);
1271 avio_wb32(pb, track->enc->height << 16);
1274 ffio_wfourcc(pb, "enof");
1276 avio_wb32(pb, track->enc->width << 16);
1277 avio_wb32(pb, track->enc->height << 16);
1279 return updateSize(pb, pos);
1282 // This box seems important for the psp playback ... without it the movie seems to hang
1283 static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track)
1285 int64_t duration = av_rescale_rnd(track->trackDuration, MOV_TIMESCALE,
1286 track->timescale, AV_ROUND_UP);
1287 int version = duration < INT32_MAX ? 0 : 1;
1288 int entry_size, entry_count, size;
1289 int64_t delay, start_ct = track->cluster[0].cts;
1290 delay = av_rescale_rnd(track->cluster[0].dts + start_ct, MOV_TIMESCALE,
1291 track->timescale, AV_ROUND_DOWN);
1292 version |= delay < INT32_MAX ? 0 : 1;
1294 entry_size = (version == 1) ? 20 : 12;
1295 entry_count = 1 + (delay > 0);
1296 size = 24 + entry_count * entry_size;
1298 /* write the atom data */
1299 avio_wb32(pb, size);
1300 ffio_wfourcc(pb, "edts");
1301 avio_wb32(pb, size - 8);
1302 ffio_wfourcc(pb, "elst");
1303 avio_w8(pb, version);
1304 avio_wb24(pb, 0); /* flags */
1306 avio_wb32(pb, entry_count);
1307 if (delay > 0) { /* add an empty edit to delay presentation */
1309 avio_wb64(pb, delay);
1312 avio_wb32(pb, delay);
1315 avio_wb32(pb, 0x00010000);
1320 avio_wb64(pb, duration);
1321 avio_wb64(pb, start_ct);
1323 avio_wb32(pb, duration);
1324 avio_wb32(pb, start_ct);
1326 avio_wb32(pb, 0x00010000);
1330 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
1332 avio_wb32(pb, 20); // size
1333 ffio_wfourcc(pb, "tref");
1334 avio_wb32(pb, 12); // size (subatom)
1335 avio_wl32(pb, track->tref_tag);
1336 avio_wb32(pb, track->tref_id);
1340 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1341 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
1343 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1344 ffio_wfourcc(pb, "uuid");
1345 ffio_wfourcc(pb, "USMT");
1346 avio_wb32(pb, 0x21d24fce);
1347 avio_wb32(pb, 0xbb88695c);
1348 avio_wb32(pb, 0xfac9c740);
1349 avio_wb32(pb, 0x1c); // another size here!
1350 ffio_wfourcc(pb, "MTDT");
1351 avio_wb32(pb, 0x00010012);
1352 avio_wb32(pb, 0x0a);
1353 avio_wb32(pb, 0x55c40000);
1359 static int mov_write_udta_sdp(AVIOContext *pb, AVFormatContext *ctx, int index)
1361 char buf[1000] = "";
1364 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0]->codec, NULL, NULL, 0, 0, ctx);
1365 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", index);
1368 avio_wb32(pb, len + 24);
1369 ffio_wfourcc(pb, "udta");
1370 avio_wb32(pb, len + 16);
1371 ffio_wfourcc(pb, "hnti");
1372 avio_wb32(pb, len + 8);
1373 ffio_wfourcc(pb, "sdp ");
1374 avio_write(pb, buf, len);
1378 static int mov_write_trak_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1380 int64_t pos = avio_tell(pb);
1381 avio_wb32(pb, 0); /* size */
1382 ffio_wfourcc(pb, "trak");
1383 mov_write_tkhd_tag(pb, track, st);
1384 if (track->mode == MODE_PSP || track->flags & MOV_TRACK_CTTS || track->cluster[0].dts)
1385 mov_write_edts_tag(pb, track); // PSP Movies require edts box
1386 if (track->tref_tag)
1387 mov_write_tref_tag(pb, track);
1388 mov_write_mdia_tag(pb, track);
1389 if (track->mode == MODE_PSP)
1390 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
1391 if (track->tag == MKTAG('r','t','p',' '))
1392 mov_write_udta_sdp(pb, track->rtp_ctx, track->trackID);
1393 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && track->mode == MODE_MOV) {
1394 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1395 if (0.0 != sample_aspect_ratio && 1.0 != sample_aspect_ratio)
1396 mov_write_tapt_tag(pb, track);
1398 return updateSize(pb, pos);
1402 /* TODO: Not sorted out, but not necessary either */
1403 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
1405 avio_wb32(pb, 0x15); /* size */
1406 ffio_wfourcc(pb, "iods");
1407 avio_wb32(pb, 0); /* version & flags */
1408 avio_wb16(pb, 0x1007);
1410 avio_wb16(pb, 0x4fff);
1411 avio_wb16(pb, 0xfffe);
1412 avio_wb16(pb, 0x01ff);
1417 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
1419 int maxTrackID = 1, i;
1420 int64_t maxTrackLenTemp, maxTrackLen = 0;
1423 for (i=0; i<mov->nb_streams; i++) {
1424 if(mov->tracks[i].entry > 0) {
1425 maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration,
1427 mov->tracks[i].timescale,
1429 if(maxTrackLen < maxTrackLenTemp)
1430 maxTrackLen = maxTrackLenTemp;
1431 if(maxTrackID < mov->tracks[i].trackID)
1432 maxTrackID = mov->tracks[i].trackID;
1436 version = maxTrackLen < UINT32_MAX ? 0 : 1;
1437 (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
1438 ffio_wfourcc(pb, "mvhd");
1439 avio_w8(pb, version);
1440 avio_wb24(pb, 0); /* flags */
1442 avio_wb64(pb, mov->time);
1443 avio_wb64(pb, mov->time);
1445 avio_wb32(pb, mov->time); /* creation time */
1446 avio_wb32(pb, mov->time); /* modification time */
1448 avio_wb32(pb, MOV_TIMESCALE);
1449 (version == 1) ? avio_wb64(pb, maxTrackLen) : avio_wb32(pb, maxTrackLen); /* duration of longest track */
1451 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1452 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1453 avio_wb16(pb, 0); /* reserved */
1454 avio_wb32(pb, 0); /* reserved */
1455 avio_wb32(pb, 0); /* reserved */
1457 /* Matrix structure */
1458 avio_wb32(pb, 0x00010000); /* reserved */
1459 avio_wb32(pb, 0x0); /* reserved */
1460 avio_wb32(pb, 0x0); /* reserved */
1461 avio_wb32(pb, 0x0); /* reserved */
1462 avio_wb32(pb, 0x00010000); /* reserved */
1463 avio_wb32(pb, 0x0); /* reserved */
1464 avio_wb32(pb, 0x0); /* reserved */
1465 avio_wb32(pb, 0x0); /* reserved */
1466 avio_wb32(pb, 0x40000000); /* reserved */
1468 avio_wb32(pb, 0); /* reserved (preview time) */
1469 avio_wb32(pb, 0); /* reserved (preview duration) */
1470 avio_wb32(pb, 0); /* reserved (poster time) */
1471 avio_wb32(pb, 0); /* reserved (selection time) */
1472 avio_wb32(pb, 0); /* reserved (selection duration) */
1473 avio_wb32(pb, 0); /* reserved (current time) */
1474 avio_wb32(pb, maxTrackID+1); /* Next track id */
1478 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
1481 avio_wb32(pb, 33); /* size */
1482 ffio_wfourcc(pb, "hdlr");
1485 ffio_wfourcc(pb, "mdir");
1486 ffio_wfourcc(pb, "appl");
1493 /* helper function to write a data tag with the specified string as data */
1494 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
1497 int size = 16 + strlen(data);
1498 avio_wb32(pb, size); /* size */
1499 ffio_wfourcc(pb, "data");
1502 avio_write(pb, data, strlen(data));
1506 lang = ff_mov_iso639_to_lang("und", 1);
1507 avio_wb16(pb, strlen(data)); /* string length */
1508 avio_wb16(pb, lang);
1509 avio_write(pb, data, strlen(data));
1510 return strlen(data) + 4;
1514 static int mov_write_string_tag(AVIOContext *pb, const char *name, const char *value, int lang, int long_style){
1516 if (value && value[0]) {
1517 int64_t pos = avio_tell(pb);
1518 avio_wb32(pb, 0); /* size */
1519 ffio_wfourcc(pb, name);
1520 mov_write_string_data_tag(pb, value, lang, long_style);
1521 size= updateSize(pb, pos);
1526 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
1527 const char *name, const char *tag,
1530 int l, lang = 0, len, len2;
1531 AVDictionaryEntry *t, *t2 = NULL;
1534 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
1537 len = strlen(t->key);
1538 snprintf(tag2, sizeof(tag2), "%s-", tag);
1539 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
1540 len2 = strlen(t2->key);
1541 if (len2 == len+4 && !strcmp(t->value, t2->value)
1542 && (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 1)) >= 0) {
1547 return mov_write_string_tag(pb, name, t->value, lang, long_style);
1550 /* iTunes track number */
1551 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
1554 AVDictionaryEntry *t = av_dict_get(s->metadata, "track", NULL, 0);
1555 int size = 0, track = t ? atoi(t->value) : 0;
1557 avio_wb32(pb, 32); /* size */
1558 ffio_wfourcc(pb, "trkn");
1559 avio_wb32(pb, 24); /* size */
1560 ffio_wfourcc(pb, "data");
1561 avio_wb32(pb, 0); // 8 bytes empty
1563 avio_wb16(pb, 0); // empty
1564 avio_wb16(pb, track); // track number
1565 avio_wb16(pb, 0); // total track number
1566 avio_wb16(pb, 0); // empty
1572 /* iTunes meta data list */
1573 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
1576 int64_t pos = avio_tell(pb);
1577 avio_wb32(pb, 0); /* size */
1578 ffio_wfourcc(pb, "ilst");
1579 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
1580 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
1581 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
1582 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
1583 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
1584 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
1585 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
1586 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
1587 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
1588 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
1589 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
1590 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
1591 mov_write_string_metadata(s, pb, "desc", "description",1);
1592 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
1593 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
1594 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
1595 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
1596 mov_write_trkn_tag(pb, mov, s);
1597 return updateSize(pb, pos);
1600 /* iTunes meta data tag */
1601 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
1605 int64_t pos = avio_tell(pb);
1606 avio_wb32(pb, 0); /* size */
1607 ffio_wfourcc(pb, "meta");
1609 mov_write_itunes_hdlr_tag(pb, mov, s);
1610 mov_write_ilst_tag(pb, mov, s);
1611 size = updateSize(pb, pos);
1615 static int utf8len(const uint8_t *b)
1620 GET_UTF8(val, *b++, return -1;)
1626 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
1630 GET_UTF8(val, *b++, return -1;)
1633 avio_wb16(pb, 0x00);
1637 static uint16_t language_code(const char *str)
1639 return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
1642 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
1643 const char *tag, const char *str)
1645 int64_t pos = avio_tell(pb);
1646 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
1647 if (!t || !utf8len(t->value))
1649 avio_wb32(pb, 0); /* size */
1650 ffio_wfourcc(pb, tag); /* type */
1651 avio_wb32(pb, 0); /* version + flags */
1652 if (!strcmp(tag, "yrrc"))
1653 avio_wb16(pb, atoi(t->value));
1655 avio_wb16(pb, language_code("eng")); /* language */
1656 avio_write(pb, t->value, strlen(t->value)+1); /* UTF8 string value */
1657 if (!strcmp(tag, "albm") &&
1658 (t = av_dict_get(s->metadata, "track", NULL, 0)))
1659 avio_w8(pb, atoi(t->value));
1661 return updateSize(pb, pos);
1664 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
1666 int64_t pos = avio_tell(pb);
1667 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
1669 avio_wb32(pb, 0); // size
1670 ffio_wfourcc(pb, "chpl");
1671 avio_wb32(pb, 0x01000000); // version + flags
1672 avio_wb32(pb, 0); // unknown
1673 avio_w8(pb, nb_chapters);
1675 for (i = 0; i < nb_chapters; i++) {
1676 AVChapter *c = s->chapters[i];
1677 AVDictionaryEntry *t;
1678 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
1680 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
1681 int len = FFMIN(strlen(t->value), 255);
1683 avio_write(pb, t->value, len);
1687 return updateSize(pb, pos);
1690 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
1693 AVIOContext *pb_buf;
1697 for (i = 0; i < s->nb_streams; i++)
1698 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
1702 ret = avio_open_dyn_buf(&pb_buf);
1706 if (mov->mode & MODE_3GP) {
1707 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
1708 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
1709 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
1710 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
1711 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
1712 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
1713 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
1714 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
1715 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
1716 mov_write_string_metadata(s, pb_buf, "\251ART", "artist" , 0);
1717 mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0);
1718 mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0);
1719 mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0);
1720 mov_write_string_metadata(s, pb_buf, "\251day", "date" , 0);
1721 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder" , 0);
1722 mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0);
1723 mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0);
1724 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0);
1726 /* iTunes meta data */
1727 mov_write_meta_tag(pb_buf, mov, s);
1731 mov_write_chpl_tag(pb_buf, s);
1733 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
1734 avio_wb32(pb, size+8);
1735 ffio_wfourcc(pb, "udta");
1736 avio_write(pb, buf, size);
1743 static void mov_write_psp_udta_tag(AVIOContext *pb,
1744 const char *str, const char *lang, int type)
1746 int len = utf8len(str)+1;
1749 avio_wb16(pb, len*2+10); /* size */
1750 avio_wb32(pb, type); /* type */
1751 avio_wb16(pb, language_code(lang)); /* language */
1752 avio_wb16(pb, 0x01); /* ? */
1753 ascii_to_wc(pb, str);
1756 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
1758 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
1762 pos = avio_tell(pb);
1763 avio_wb32(pb, 0); /* size placeholder*/
1764 ffio_wfourcc(pb, "uuid");
1765 ffio_wfourcc(pb, "USMT");
1766 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
1767 avio_wb32(pb, 0xbb88695c);
1768 avio_wb32(pb, 0xfac9c740);
1770 pos2 = avio_tell(pb);
1771 avio_wb32(pb, 0); /* size placeholder*/
1772 ffio_wfourcc(pb, "MTDT");
1776 avio_wb16(pb, 0x0C); /* size */
1777 avio_wb32(pb, 0x0B); /* type */
1778 avio_wb16(pb, language_code("und")); /* language */
1779 avio_wb16(pb, 0x0); /* ? */
1780 avio_wb16(pb, 0x021C); /* data */
1782 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
1783 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
1784 // 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);
1785 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
1787 updateSize(pb, pos2);
1788 return updateSize(pb, pos);
1794 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
1798 int64_t pos = avio_tell(pb);
1799 avio_wb32(pb, 0); /* size placeholder*/
1800 ffio_wfourcc(pb, "moov");
1802 for (i=0; i<mov->nb_streams; i++) {
1803 if(mov->tracks[i].entry <= 0) continue;
1805 mov->tracks[i].time = mov->time;
1806 mov->tracks[i].trackID = i+1;
1809 if (mov->chapter_track)
1810 for (i=0; i<s->nb_streams; i++) {
1811 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
1812 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].trackID;
1814 for (i = 0; i < mov->nb_streams; i++) {
1815 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
1816 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
1817 mov->tracks[i].tref_id =
1818 mov->tracks[mov->tracks[i].src_track].trackID;
1822 mov_write_mvhd_tag(pb, mov);
1823 //mov_write_iods_tag(pb, mov);
1824 for (i=0; i<mov->nb_streams; i++) {
1825 if(mov->tracks[i].entry > 0) {
1826 mov_write_trak_tag(pb, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
1830 if (mov->mode == MODE_PSP)
1831 mov_write_uuidusmt_tag(pb, s);
1833 mov_write_udta_tag(pb, mov, s);
1835 return updateSize(pb, pos);
1838 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
1840 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
1841 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
1843 mov->mdat_pos = avio_tell(pb);
1844 avio_wb32(pb, 0); /* size placeholder*/
1845 ffio_wfourcc(pb, "mdat");
1849 /* TODO: This needs to be more general */
1850 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
1852 MOVMuxContext *mov = s->priv_data;
1853 int64_t pos = avio_tell(pb);
1854 int has_h264 = 0, has_video = 0;
1858 for (i = 0; i < s->nb_streams; i++) {
1859 AVStream *st = s->streams[i];
1860 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
1862 if (st->codec->codec_id == CODEC_ID_H264)
1866 avio_wb32(pb, 0); /* size */
1867 ffio_wfourcc(pb, "ftyp");
1869 if (mov->mode == MODE_3GP) {
1870 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
1871 minor = has_h264 ? 0x100 : 0x200;
1872 } else if (mov->mode & MODE_3G2) {
1873 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
1874 minor = has_h264 ? 0x20000 : 0x10000;
1875 }else if (mov->mode == MODE_PSP)
1876 ffio_wfourcc(pb, "MSNV");
1877 else if (mov->mode == MODE_MP4)
1878 ffio_wfourcc(pb, "isom");
1879 else if (mov->mode == MODE_IPOD)
1880 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
1882 ffio_wfourcc(pb, "qt ");
1884 avio_wb32(pb, minor);
1886 if(mov->mode == MODE_MOV)
1887 ffio_wfourcc(pb, "qt ");
1889 ffio_wfourcc(pb, "isom");
1890 ffio_wfourcc(pb, "iso2");
1892 ffio_wfourcc(pb, "avc1");
1895 if (mov->mode == MODE_3GP)
1896 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
1897 else if (mov->mode & MODE_3G2)
1898 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
1899 else if (mov->mode == MODE_PSP)
1900 ffio_wfourcc(pb, "MSNV");
1901 else if (mov->mode == MODE_MP4)
1902 ffio_wfourcc(pb, "mp41");
1903 return updateSize(pb, pos);
1906 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
1908 AVCodecContext *VideoCodec = s->streams[0]->codec;
1909 AVCodecContext *AudioCodec = s->streams[1]->codec;
1910 int AudioRate = AudioCodec->sample_rate;
1911 int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num);
1912 int audio_kbitrate= AudioCodec->bit_rate / 1000;
1913 int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate);
1915 avio_wb32(pb, 0x94); /* size */
1916 ffio_wfourcc(pb, "uuid");
1917 ffio_wfourcc(pb, "PROF");
1919 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
1920 avio_wb32(pb, 0xbb88695c);
1921 avio_wb32(pb, 0xfac9c740);
1923 avio_wb32(pb, 0x0); /* ? */
1924 avio_wb32(pb, 0x3); /* 3 sections ? */
1926 avio_wb32(pb, 0x14); /* size */
1927 ffio_wfourcc(pb, "FPRF");
1928 avio_wb32(pb, 0x0); /* ? */
1929 avio_wb32(pb, 0x0); /* ? */
1930 avio_wb32(pb, 0x0); /* ? */
1932 avio_wb32(pb, 0x2c); /* size */
1933 ffio_wfourcc(pb, "APRF");/* audio */
1935 avio_wb32(pb, 0x2); /* TrackID */
1936 ffio_wfourcc(pb, "mp4a");
1937 avio_wb32(pb, 0x20f);
1939 avio_wb32(pb, audio_kbitrate);
1940 avio_wb32(pb, audio_kbitrate);
1941 avio_wb32(pb, AudioRate);
1942 avio_wb32(pb, AudioCodec->channels);
1944 avio_wb32(pb, 0x34); /* size */
1945 ffio_wfourcc(pb, "VPRF"); /* video */
1947 avio_wb32(pb, 0x1); /* TrackID */
1948 if (VideoCodec->codec_id == CODEC_ID_H264) {
1949 ffio_wfourcc(pb, "avc1");
1950 avio_wb16(pb, 0x014D);
1951 avio_wb16(pb, 0x0015);
1953 ffio_wfourcc(pb, "mp4v");
1954 avio_wb16(pb, 0x0000);
1955 avio_wb16(pb, 0x0103);
1958 avio_wb32(pb, video_kbitrate);
1959 avio_wb32(pb, video_kbitrate);
1960 avio_wb32(pb, FrameRate);
1961 avio_wb32(pb, FrameRate);
1962 avio_wb16(pb, VideoCodec->width);
1963 avio_wb16(pb, VideoCodec->height);
1964 avio_wb32(pb, 0x010001); /* ? */
1967 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
1970 int i, closed_gop = 0;
1972 for (i = 0; i < pkt->size - 4; i++) {
1973 c = (c<<8) + pkt->data[i];
1974 if (c == 0x1b8) { // gop
1975 closed_gop = pkt->data[i+4]>>6 & 0x01;
1976 } else if (c == 0x100) { // pic
1977 int temp_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
1978 if (!temp_ref || closed_gop) // I picture is not reordered
1979 *flags = MOV_SYNC_SAMPLE;
1981 *flags = MOV_PARTIAL_SYNC_SAMPLE;
1988 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
1990 MOVMuxContext *mov = s->priv_data;
1991 AVIOContext *pb = s->pb;
1992 MOVTrack *trk = &mov->tracks[pkt->stream_index];
1993 AVCodecContext *enc = trk->enc;
1994 unsigned int samplesInChunk = 0;
1995 int size= pkt->size;
1997 if (!s->pb->seekable) return 0; /* Can't handle that */
1998 if (!size) return 0; /* Discard 0 sized packets */
2000 if (enc->codec_id == CODEC_ID_AMR_NB) {
2001 /* We must find out how many AMR blocks there are in one packet */
2002 static uint16_t packed_size[16] =
2003 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 0};
2006 while (len < size && samplesInChunk < 100) {
2007 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
2010 if(samplesInChunk > 1){
2011 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
2014 } else if (enc->codec_id == CODEC_ID_ADPCM_MS ||
2015 enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
2016 samplesInChunk = enc->frame_size;
2017 } else if (trk->sampleSize)
2018 samplesInChunk = size/trk->sampleSize;
2022 /* copy extradata if it exists */
2023 if (trk->vosLen == 0 && enc->extradata_size > 0) {
2024 trk->vosLen = enc->extradata_size;
2025 trk->vosData = av_malloc(trk->vosLen);
2026 memcpy(trk->vosData, enc->extradata, trk->vosLen);
2029 if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) {
2030 /* from x264 or from bytestream h264 */
2031 /* nal reformating needed */
2032 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
2034 avio_write(pb, pkt->data, size);
2037 if ((enc->codec_id == CODEC_ID_DNXHD ||
2038 enc->codec_id == CODEC_ID_AC3) && !trk->vosLen) {
2039 /* copy frame to create needed atoms */
2041 trk->vosData = av_malloc(size);
2043 return AVERROR(ENOMEM);
2044 memcpy(trk->vosData, pkt->data, size);
2047 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
2048 trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster));
2053 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
2054 trk->cluster[trk->entry].samplesInChunk = samplesInChunk;
2055 trk->cluster[trk->entry].size = size;
2056 trk->cluster[trk->entry].entries = samplesInChunk;
2057 trk->cluster[trk->entry].dts = pkt->dts;
2058 trk->trackDuration = pkt->dts - trk->cluster[0].dts + pkt->duration;
2060 if (pkt->pts == AV_NOPTS_VALUE) {
2061 av_log(s, AV_LOG_WARNING, "pts has no value\n");
2062 pkt->pts = pkt->dts;
2064 if (pkt->dts != pkt->pts)
2065 trk->flags |= MOV_TRACK_CTTS;
2066 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
2067 trk->cluster[trk->entry].flags = 0;
2068 if (pkt->flags & AV_PKT_FLAG_KEY) {
2069 if (mov->mode == MODE_MOV && enc->codec_id == CODEC_ID_MPEG2VIDEO &&
2070 trk->entry > 0) { // force sync sample for the first key frame
2071 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
2072 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
2073 trk->flags |= MOV_TRACK_STPS;
2075 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
2077 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
2078 trk->hasKeyframes++;
2081 trk->sampleCount += samplesInChunk;
2082 mov->mdat_size += size;
2086 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
2087 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry);
2091 // QuickTime chapters involve an additional text track with the chapter names
2092 // as samples, and a tref pointing from the other tracks to the chapter one.
2093 static void mov_create_chapter_track(AVFormatContext *s, int tracknum)
2095 MOVMuxContext *mov = s->priv_data;
2096 MOVTrack *track = &mov->tracks[tracknum];
2097 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
2100 track->mode = mov->mode;
2101 track->tag = MKTAG('t','e','x','t');
2102 track->timescale = MOV_TIMESCALE;
2103 track->enc = avcodec_alloc_context();
2104 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
2106 for (i = 0; i < s->nb_chapters; i++) {
2107 AVChapter *c = s->chapters[i];
2108 AVDictionaryEntry *t;
2110 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
2111 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
2112 pkt.duration = end - pkt.dts;
2114 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
2115 len = strlen(t->value);
2117 pkt.data = av_malloc(pkt.size);
2118 AV_WB16(pkt.data, len);
2119 memcpy(pkt.data+2, t->value, len);
2120 ff_mov_write_packet(s, &pkt);
2121 av_freep(&pkt.data);
2126 static int mov_write_header(AVFormatContext *s)
2128 AVIOContext *pb = s->pb;
2129 MOVMuxContext *mov = s->priv_data;
2130 int i, hint_track = 0;
2132 if (!s->pb->seekable) {
2133 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
2137 /* Default mode == MP4 */
2138 mov->mode = MODE_MP4;
2140 if (s->oformat != NULL) {
2141 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
2142 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
2143 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
2144 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
2145 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
2147 mov_write_ftyp_tag(pb,s);
2148 if (mov->mode == MODE_PSP) {
2149 if (s->nb_streams != 2) {
2150 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
2153 mov_write_uuidprof_tag(pb,s);
2157 mov->nb_streams = s->nb_streams;
2158 if (mov->mode & (MODE_MOV|MODE_IPOD) && s->nb_chapters)
2159 mov->chapter_track = mov->nb_streams++;
2161 #if FF_API_FLAG_RTP_HINT
2162 if (s->flags & AVFMT_FLAG_RTP_HINT) {
2163 av_log(s, AV_LOG_WARNING, "The RTP_HINT flag is deprecated, enable it "
2164 "via the -movflags rtphint muxer option "
2166 mov->flags |= FF_MOV_FLAG_RTP_HINT;
2169 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
2170 /* Add hint tracks for each audio and video stream */
2171 hint_track = mov->nb_streams;
2172 for (i = 0; i < s->nb_streams; i++) {
2173 AVStream *st = s->streams[i];
2174 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2175 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
2181 mov->tracks = av_mallocz(mov->nb_streams*sizeof(*mov->tracks));
2183 return AVERROR(ENOMEM);
2185 for(i=0; i<s->nb_streams; i++){
2186 AVStream *st= s->streams[i];
2187 MOVTrack *track= &mov->tracks[i];
2188 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
2190 track->enc = st->codec;
2191 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
2192 if (track->language < 0)
2193 track->language = 0;
2194 track->mode = mov->mode;
2195 track->tag = mov_find_codec_tag(s, track);
2197 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
2198 "codec not currently supported in container\n", i);
2201 /* If hinting of this track is enabled by a later hint track,
2202 * this is updated. */
2203 track->hint_track = -1;
2204 if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
2205 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
2206 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
2207 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
2208 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
2209 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
2212 track->height = track->tag>>24 == 'n' ? 486 : 576;
2214 track->timescale = st->codec->time_base.den;
2215 if (track->mode == MODE_MOV && track->timescale > 100000)
2216 av_log(s, AV_LOG_WARNING,
2217 "WARNING codec timebase is very high. If duration is too long,\n"
2218 "file may not be playable by quicktime. Specify a shorter timebase\n"
2219 "or choose different container.\n");
2220 }else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
2221 track->timescale = st->codec->sample_rate;
2222 if(!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
2223 av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
2225 }else if(st->codec->codec_id == CODEC_ID_ADPCM_MS ||
2226 st->codec->codec_id == CODEC_ID_ADPCM_IMA_WAV){
2227 if (!st->codec->block_align) {
2228 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
2231 track->sampleSize = st->codec->block_align;
2232 }else if(st->codec->frame_size > 1){ /* assume compressed audio */
2233 track->audio_vbr = 1;
2235 st->codec->frame_size = 1;
2236 track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
2238 if (track->mode != MODE_MOV) {
2239 if (track->timescale > UINT16_MAX) {
2240 av_log(s, AV_LOG_ERROR, "track %d: output format does not support "
2241 "sample rate %dhz\n", i, track->timescale);
2244 if (track->enc->codec_id == CODEC_ID_MP3 && track->timescale < 16000) {
2245 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
2246 i, track->enc->sample_rate);
2250 }else if(st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE){
2251 track->timescale = st->codec->time_base.den;
2254 track->height = st->codec->height;
2256 av_set_pts_info(st, 64, 1, track->timescale);
2259 mov_write_mdat_tag(pb, mov);
2260 mov->time = s->timestamp + 0x7C25B080; //1970 based -> 1904 based
2262 if (mov->chapter_track)
2263 mov_create_chapter_track(s, mov->chapter_track);
2265 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
2266 /* Initialize the hint tracks for each audio and video stream */
2267 for (i = 0; i < s->nb_streams; i++) {
2268 AVStream *st = s->streams[i];
2269 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2270 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
2271 ff_mov_init_hinting(s, hint_track, i);
2281 av_freep(&mov->tracks);
2285 static int mov_write_trailer(AVFormatContext *s)
2287 MOVMuxContext *mov = s->priv_data;
2288 AVIOContext *pb = s->pb;
2292 int64_t moov_pos = avio_tell(pb);
2294 /* Write size of mdat tag */
2295 if (mov->mdat_size+8 <= UINT32_MAX) {
2296 avio_seek(pb, mov->mdat_pos, SEEK_SET);
2297 avio_wb32(pb, mov->mdat_size+8);
2299 /* overwrite 'wide' placeholder atom */
2300 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
2301 avio_wb32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */
2302 ffio_wfourcc(pb, "mdat");
2303 avio_wb64(pb, mov->mdat_size+16);
2305 avio_seek(pb, moov_pos, SEEK_SET);
2307 mov_write_moov_tag(pb, mov, s);
2309 if (mov->chapter_track)
2310 av_freep(&mov->tracks[mov->chapter_track].enc);
2312 for (i=0; i<mov->nb_streams; i++) {
2313 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
2314 ff_mov_close_hinting(&mov->tracks[i]);
2315 av_freep(&mov->tracks[i].cluster);
2317 if(mov->tracks[i].vosLen) av_free(mov->tracks[i].vosData);
2323 av_freep(&mov->tracks);
2328 #if CONFIG_MOV_MUXER
2329 AVOutputFormat ff_mov_muxer = {
2331 NULL_IF_CONFIG_SMALL("MOV format"),
2334 sizeof(MOVMuxContext),
2338 ff_mov_write_packet,
2340 .flags = AVFMT_GLOBALHEADER,
2341 .codec_tag = (const AVCodecTag* const []){codec_movvideo_tags, codec_movaudio_tags, 0},
2342 .priv_class = &mov_muxer_class,
2345 #if CONFIG_TGP_MUXER
2346 AVOutputFormat ff_tgp_muxer = {
2348 NULL_IF_CONFIG_SMALL("3GP format"),
2351 sizeof(MOVMuxContext),
2355 ff_mov_write_packet,
2357 .flags = AVFMT_GLOBALHEADER,
2358 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
2359 .priv_class = &mov_muxer_class,
2362 #if CONFIG_MP4_MUXER
2363 AVOutputFormat ff_mp4_muxer = {
2365 NULL_IF_CONFIG_SMALL("MP4 format"),
2368 sizeof(MOVMuxContext),
2372 ff_mov_write_packet,
2374 .flags = AVFMT_GLOBALHEADER,
2375 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
2376 .priv_class = &mov_muxer_class,
2379 #if CONFIG_PSP_MUXER
2380 AVOutputFormat ff_psp_muxer = {
2382 NULL_IF_CONFIG_SMALL("PSP MP4 format"),
2385 sizeof(MOVMuxContext),
2389 ff_mov_write_packet,
2391 .flags = AVFMT_GLOBALHEADER,
2392 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
2393 .priv_class = &mov_muxer_class,
2396 #if CONFIG_TG2_MUXER
2397 AVOutputFormat ff_tg2_muxer = {
2399 NULL_IF_CONFIG_SMALL("3GP2 format"),
2402 sizeof(MOVMuxContext),
2406 ff_mov_write_packet,
2408 .flags = AVFMT_GLOBALHEADER,
2409 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
2410 .priv_class = &mov_muxer_class,
2413 #if CONFIG_IPOD_MUXER
2414 AVOutputFormat ff_ipod_muxer = {
2416 NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"),
2419 sizeof(MOVMuxContext),
2423 ff_mov_write_packet,
2425 .flags = AVFMT_GLOBALHEADER,
2426 .codec_tag = (const AVCodecTag* const []){codec_ipod_tags, 0},
2427 .priv_class = &mov_muxer_class,