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"
36 #include "libavutil/dict.h"
41 static const AVOption options[] = {
42 { "movflags", "MOV muxer flags", offsetof(MOVMuxContext, flags), FF_OPT_TYPE_FLAGS, {.dbl = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
43 { "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" },
47 static const AVClass mov_muxer_class = {
48 .class_name = "MOV/3GP/MP4/3G2 muxer",
49 .item_name = av_default_item_name,
51 .version = LIBAVUTIL_VERSION_INT,
54 //FIXME support 64 bit variant with wide placeholders
55 static int64_t updateSize(AVIOContext *pb, int64_t pos)
57 int64_t curpos = avio_tell(pb);
58 avio_seek(pb, pos, SEEK_SET);
59 avio_wb32(pb, curpos - pos); /* rewrite size */
60 avio_seek(pb, curpos, SEEK_SET);
65 /* Chunk offset atom */
66 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
69 int mode64 = 0; // use 32 bit size variant if possible
70 int64_t pos = avio_tell(pb);
71 avio_wb32(pb, 0); /* size */
72 if (pos > UINT32_MAX) {
74 ffio_wfourcc(pb, "co64");
76 ffio_wfourcc(pb, "stco");
77 avio_wb32(pb, 0); /* version & flags */
78 avio_wb32(pb, track->entry); /* entry count */
79 for (i=0; i<track->entry; i++) {
81 avio_wb64(pb, track->cluster[i].pos);
83 avio_wb32(pb, track->cluster[i].pos);
85 return updateSize(pb, pos);
88 /* Sample size atom */
89 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
92 int i, j, entries = 0, tst = -1, oldtst = -1;
94 int64_t pos = avio_tell(pb);
95 avio_wb32(pb, 0); /* size */
96 ffio_wfourcc(pb, "stsz");
97 avio_wb32(pb, 0); /* version & flags */
99 for (i=0; i<track->entry; i++) {
100 tst = track->cluster[i].size/track->cluster[i].entries;
101 if(oldtst != -1 && tst != oldtst) {
105 entries += track->cluster[i].entries;
108 int sSize = track->cluster[0].size/track->cluster[0].entries;
109 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
110 avio_wb32(pb, sSize); // sample size
111 avio_wb32(pb, entries); // sample count
114 avio_wb32(pb, 0); // sample size
115 avio_wb32(pb, entries); // sample count
116 for (i=0; i<track->entry; i++) {
117 for (j=0; j<track->cluster[i].entries; j++) {
118 avio_wb32(pb, track->cluster[i].size /
119 track->cluster[i].entries);
123 return updateSize(pb, pos);
126 /* Sample to chunk atom */
127 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
129 int index = 0, oldval = -1, i;
130 int64_t entryPos, curpos;
132 int64_t pos = avio_tell(pb);
133 avio_wb32(pb, 0); /* size */
134 ffio_wfourcc(pb, "stsc");
135 avio_wb32(pb, 0); // version & flags
136 entryPos = avio_tell(pb);
137 avio_wb32(pb, track->entry); // entry count
138 for (i=0; i<track->entry; i++) {
139 if(oldval != track->cluster[i].samplesInChunk)
141 avio_wb32(pb, i+1); // first chunk
142 avio_wb32(pb, track->cluster[i].samplesInChunk); // samples per chunk
143 avio_wb32(pb, 0x1); // sample description index
144 oldval = track->cluster[i].samplesInChunk;
148 curpos = avio_tell(pb);
149 avio_seek(pb, entryPos, SEEK_SET);
150 avio_wb32(pb, index); // rewrite size
151 avio_seek(pb, curpos, SEEK_SET);
153 return updateSize(pb, pos);
156 /* Sync sample atom */
157 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
159 int64_t curpos, entryPos;
161 int64_t pos = avio_tell(pb);
162 avio_wb32(pb, 0); // size
163 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
164 avio_wb32(pb, 0); // version & flags
165 entryPos = avio_tell(pb);
166 avio_wb32(pb, track->entry); // entry count
167 for (i=0; i<track->entry; i++) {
168 if (track->cluster[i].flags & flag) {
173 curpos = avio_tell(pb);
174 avio_seek(pb, entryPos, SEEK_SET);
175 avio_wb32(pb, index); // rewrite size
176 avio_seek(pb, curpos, SEEK_SET);
177 return updateSize(pb, pos);
180 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
182 avio_wb32(pb, 0x11); /* size */
183 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
184 else ffio_wfourcc(pb, "damr");
185 ffio_wfourcc(pb, "FFMP");
186 avio_w8(pb, 0); /* decoder version */
188 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
189 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
190 avio_w8(pb, 0x01); /* Frames per sample */
194 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
199 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
201 if (track->vosLen < 7)
205 ffio_wfourcc(pb, "dac3");
207 init_get_bits(&gbc, track->vosData+4, track->vosLen-4);
208 fscod = get_bits(&gbc, 2);
209 frmsizecod = get_bits(&gbc, 6);
210 bsid = get_bits(&gbc, 5);
211 bsmod = get_bits(&gbc, 3);
212 acmod = get_bits(&gbc, 3);
214 skip_bits(&gbc, 2); // dsurmod
216 if ((acmod & 1) && acmod != 1)
217 skip_bits(&gbc, 2); // cmixlev
219 skip_bits(&gbc, 2); // surmixlev
221 lfeon = get_bits1(&gbc);
223 init_put_bits(&pbc, buf, sizeof(buf));
224 put_bits(&pbc, 2, fscod);
225 put_bits(&pbc, 5, bsid);
226 put_bits(&pbc, 3, bsmod);
227 put_bits(&pbc, 3, acmod);
228 put_bits(&pbc, 1, lfeon);
229 put_bits(&pbc, 5, frmsizecod>>1); // bit_rate_code
230 put_bits(&pbc, 5, 0); // reserved
232 flush_put_bits(&pbc);
233 avio_write(pb, buf, sizeof(buf));
239 * This function writes extradata "as is".
240 * Extradata must be formated like a valid atom (with size and tag)
242 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
244 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
245 return track->enc->extradata_size;
248 static int mov_write_enda_tag(AVIOContext *pb)
251 ffio_wfourcc(pb, "enda");
252 avio_wb16(pb, 1); /* little endian */
256 static void putDescr(AVIOContext *pb, int tag, unsigned int size)
261 avio_w8(pb, (size>>(7*i)) | 0x80);
262 avio_w8(pb, size & 0x7F);
265 static unsigned compute_avg_bitrate(MOVTrack *track)
269 for (i = 0; i < track->entry; i++)
270 size += track->cluster[i].size;
271 return size * 8 * track->timescale / track->trackDuration;
274 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
276 int64_t pos = avio_tell(pb);
277 int decoderSpecificInfoLen = track->vosLen ? 5+track->vosLen : 0;
278 unsigned avg_bitrate;
280 avio_wb32(pb, 0); // size
281 ffio_wfourcc(pb, "esds");
282 avio_wb32(pb, 0); // Version
285 putDescr(pb, 0x03, 3 + 5+13 + decoderSpecificInfoLen + 5+1);
286 avio_wb16(pb, track->trackID);
287 avio_w8(pb, 0x00); // flags (= no flags)
289 // DecoderConfig descriptor
290 putDescr(pb, 0x04, 13 + decoderSpecificInfoLen);
292 // Object type indication
293 if ((track->enc->codec_id == CODEC_ID_MP2 ||
294 track->enc->codec_id == CODEC_ID_MP3) &&
295 track->enc->sample_rate > 24000)
296 avio_w8(pb, 0x6B); // 11172-3
298 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
300 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
301 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
302 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
303 avio_w8(pb, 0x15); // flags (= Audiostream)
305 avio_w8(pb, 0x11); // flags (= Visualstream)
307 avio_w8(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits)
308 avio_wb16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB
310 avg_bitrate = compute_avg_bitrate(track);
311 // maxbitrate (FIXME should be max rate in any 1 sec window)
312 avio_wb32(pb, FFMAX3(track->enc->bit_rate, track->enc->rc_max_rate, avg_bitrate));
313 avio_wb32(pb, avg_bitrate);
316 // DecoderSpecific info descriptor
317 putDescr(pb, 0x05, track->vosLen);
318 avio_write(pb, track->vosData, track->vosLen);
322 putDescr(pb, 0x06, 1);
324 return updateSize(pb, pos);
327 static int mov_pcm_le_gt16(enum CodecID codec_id)
329 return codec_id == CODEC_ID_PCM_S24LE ||
330 codec_id == CODEC_ID_PCM_S32LE ||
331 codec_id == CODEC_ID_PCM_F32LE ||
332 codec_id == CODEC_ID_PCM_F64LE;
335 static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
337 int64_t pos = avio_tell(pb);
339 avio_wl32(pb, track->tag); // store it byteswapped
340 track->enc->codec_tag = av_bswap16(track->tag >> 16);
341 ff_put_wav_header(pb, track->enc);
342 return updateSize(pb, pos);
345 static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
347 int64_t pos = avio_tell(pb);
349 avio_wb32(pb, 0); /* size */
350 ffio_wfourcc(pb, "wave");
352 avio_wb32(pb, 12); /* size */
353 ffio_wfourcc(pb, "frma");
354 avio_wl32(pb, track->tag);
356 if (track->enc->codec_id == CODEC_ID_AAC) {
357 /* useless atom needed by mplayer, ipod, not needed by quicktime */
358 avio_wb32(pb, 12); /* size */
359 ffio_wfourcc(pb, "mp4a");
361 mov_write_esds_tag(pb, track);
362 } else if (mov_pcm_le_gt16(track->enc->codec_id)) {
363 mov_write_enda_tag(pb);
364 } else if (track->enc->codec_id == CODEC_ID_AMR_NB) {
365 mov_write_amr_tag(pb, track);
366 } else if (track->enc->codec_id == CODEC_ID_AC3) {
367 mov_write_ac3_tag(pb, track);
368 } else if (track->enc->codec_id == CODEC_ID_ALAC) {
369 mov_write_extradata_tag(pb, track);
370 } else if (track->enc->codec_id == CODEC_ID_ADPCM_MS ||
371 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
372 mov_write_ms_tag(pb, track);
375 avio_wb32(pb, 8); /* size */
376 avio_wb32(pb, 0); /* null tag */
378 return updateSize(pb, pos);
381 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
383 avio_wb32(pb, track->vosLen+8);
384 ffio_wfourcc(pb, "glbl");
385 avio_write(pb, track->vosData, track->vosLen);
386 return 8+track->vosLen;
390 * Compute flags for 'lpcm' tag.
391 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
393 static int mov_get_lpcm_flags(enum CodecID codec_id)
396 case CODEC_ID_PCM_F32BE:
397 case CODEC_ID_PCM_F64BE:
399 case CODEC_ID_PCM_F32LE:
400 case CODEC_ID_PCM_F64LE:
402 case CODEC_ID_PCM_U8:
404 case CODEC_ID_PCM_S16BE:
405 case CODEC_ID_PCM_S24BE:
406 case CODEC_ID_PCM_S32BE:
408 case CODEC_ID_PCM_S8:
409 case CODEC_ID_PCM_S16LE:
410 case CODEC_ID_PCM_S24LE:
411 case CODEC_ID_PCM_S32LE:
418 static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
420 int64_t pos = avio_tell(pb);
422 uint32_t tag = track->tag;
424 if (track->mode == MODE_MOV) {
425 if (track->timescale > UINT16_MAX) {
426 if (mov_get_lpcm_flags(track->enc->codec_id))
427 tag = AV_RL32("lpcm");
429 } else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id) ||
430 track->enc->codec_id == CODEC_ID_ADPCM_MS ||
431 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
436 avio_wb32(pb, 0); /* size */
437 avio_wl32(pb, tag); // store it byteswapped
438 avio_wb32(pb, 0); /* Reserved */
439 avio_wb16(pb, 0); /* Reserved */
440 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
442 /* SoundDescription */
443 avio_wb16(pb, version); /* Version */
444 avio_wb16(pb, 0); /* Revision level */
445 avio_wb32(pb, 0); /* Reserved */
450 avio_wb16(pb, 0xfffe);
452 avio_wb32(pb, 0x00010000);
454 avio_wb64(pb, av_dbl2int(track->timescale));
455 avio_wb32(pb, track->enc->channels);
456 avio_wb32(pb, 0x7F000000);
457 avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
458 avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
459 avio_wb32(pb, track->sampleSize);
460 avio_wb32(pb, track->enc->frame_size);
462 if (track->mode == MODE_MOV) {
463 avio_wb16(pb, track->enc->channels);
464 if (track->enc->codec_id == CODEC_ID_PCM_U8 ||
465 track->enc->codec_id == CODEC_ID_PCM_S8)
466 avio_wb16(pb, 8); /* bits per sample */
469 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
470 } else { /* reserved for mp4/3gp */
476 avio_wb16(pb, 0); /* packet size (= 0) */
477 avio_wb16(pb, track->timescale); /* Time scale */
478 avio_wb16(pb, 0); /* Reserved */
481 if(version == 1) { /* SoundDescription V1 extended info */
482 avio_wb32(pb, track->enc->frame_size); /* Samples per packet */
483 avio_wb32(pb, track->sampleSize / track->enc->channels); /* Bytes per packet */
484 avio_wb32(pb, track->sampleSize); /* Bytes per frame */
485 avio_wb32(pb, 2); /* Bytes per sample */
488 if(track->mode == MODE_MOV &&
489 (track->enc->codec_id == CODEC_ID_AAC ||
490 track->enc->codec_id == CODEC_ID_AC3 ||
491 track->enc->codec_id == CODEC_ID_AMR_NB ||
492 track->enc->codec_id == CODEC_ID_ALAC ||
493 track->enc->codec_id == CODEC_ID_ADPCM_MS ||
494 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV ||
495 mov_pcm_le_gt16(track->enc->codec_id)))
496 mov_write_wave_tag(pb, track);
497 else if(track->tag == MKTAG('m','p','4','a'))
498 mov_write_esds_tag(pb, track);
499 else if(track->enc->codec_id == CODEC_ID_AMR_NB)
500 mov_write_amr_tag(pb, track);
501 else if(track->enc->codec_id == CODEC_ID_AC3)
502 mov_write_ac3_tag(pb, track);
503 else if(track->enc->codec_id == CODEC_ID_ALAC)
504 mov_write_extradata_tag(pb, track);
505 else if(track->vosLen > 0)
506 mov_write_glbl_tag(pb, track);
508 return updateSize(pb, pos);
511 static int mov_write_d263_tag(AVIOContext *pb)
513 avio_wb32(pb, 0xf); /* size */
514 ffio_wfourcc(pb, "d263");
515 ffio_wfourcc(pb, "FFMP");
516 avio_w8(pb, 0); /* decoder version */
517 /* FIXME use AVCodecContext level/profile, when encoder will set values */
518 avio_w8(pb, 0xa); /* level */
519 avio_w8(pb, 0); /* profile */
523 /* TODO: No idea about these values */
524 static int mov_write_svq3_tag(AVIOContext *pb)
527 ffio_wfourcc(pb, "SMI ");
528 ffio_wfourcc(pb, "SEQH");
530 avio_wb32(pb, 0xe2c0211d);
531 avio_wb32(pb, 0xc0000000);
536 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
538 int64_t pos = avio_tell(pb);
541 ffio_wfourcc(pb, "avcC");
542 ff_isom_write_avcc(pb, track->vosData, track->vosLen);
543 return updateSize(pb, pos);
546 /* also used by all avid codecs (dv, imx, meridien) and their variants */
547 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
550 avio_wb32(pb, 24); /* size */
551 ffio_wfourcc(pb, "ACLR");
552 ffio_wfourcc(pb, "ACLR");
553 ffio_wfourcc(pb, "0001");
554 avio_wb32(pb, 2); /* yuv range: full 1 / normal 2 */
555 avio_wb32(pb, 0); /* unknown */
557 avio_wb32(pb, 24); /* size */
558 ffio_wfourcc(pb, "APRG");
559 ffio_wfourcc(pb, "APRG");
560 ffio_wfourcc(pb, "0001");
561 avio_wb32(pb, 1); /* unknown */
562 avio_wb32(pb, 0); /* unknown */
564 avio_wb32(pb, 120); /* size */
565 ffio_wfourcc(pb, "ARES");
566 ffio_wfourcc(pb, "ARES");
567 ffio_wfourcc(pb, "0001");
568 avio_wb32(pb, AV_RB32(track->vosData + 0x28)); /* dnxhd cid, some id ? */
569 avio_wb32(pb, track->enc->width);
570 /* values below are based on samples created with quicktime and avid codecs */
571 if (track->vosData[5] & 2) { // interlaced
572 avio_wb32(pb, track->enc->height/2);
573 avio_wb32(pb, 2); /* unknown */
574 avio_wb32(pb, 0); /* unknown */
575 avio_wb32(pb, 4); /* unknown */
577 avio_wb32(pb, track->enc->height);
578 avio_wb32(pb, 1); /* unknown */
579 avio_wb32(pb, 0); /* unknown */
580 if (track->enc->height == 1080)
581 avio_wb32(pb, 5); /* unknown */
583 avio_wb32(pb, 6); /* unknown */
586 for (i = 0; i < 10; i++)
589 /* extra padding for stsd needed */
594 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
596 int tag = track->enc->codec_tag;
598 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
601 if (track->enc->codec_id == CODEC_ID_H264) tag = MKTAG('a','v','c','1');
602 else if (track->enc->codec_id == CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
603 else if (track->enc->codec_id == CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
604 else if (track->enc->codec_id == CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
605 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
606 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
611 static const AVCodecTag codec_ipod_tags[] = {
612 { CODEC_ID_H264, MKTAG('a','v','c','1') },
613 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
614 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
615 { CODEC_ID_ALAC, MKTAG('a','l','a','c') },
616 { CODEC_ID_AC3, MKTAG('a','c','-','3') },
617 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
618 { CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
619 { CODEC_ID_NONE, 0 },
622 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
624 int tag = track->enc->codec_tag;
626 // keep original tag for subs, ipod supports both formats
627 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
628 (tag == MKTAG('t','x','3','g') ||
629 tag == MKTAG('t','e','x','t'))))
630 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
632 if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v"))
633 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
634 "Quicktime/Ipod might not play the file\n");
639 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
643 if (track->enc->width == 720) /* SD */
644 if (track->enc->height == 480) /* NTSC */
645 if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
646 else tag = MKTAG('d','v','c',' ');
647 else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
648 else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
649 else tag = MKTAG('d','v','p','p');
650 else if (track->enc->height == 720) /* HD 720 line */
651 if (track->enc->time_base.den == 50) tag = MKTAG('d','v','h','q');
652 else tag = MKTAG('d','v','h','p');
653 else if (track->enc->height == 1080) /* HD 1080 line */
654 if (track->enc->time_base.den == 25) tag = MKTAG('d','v','h','5');
655 else tag = MKTAG('d','v','h','6');
657 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
664 static const struct {
665 enum PixelFormat pix_fmt;
668 } mov_pix_fmt_tags[] = {
669 { PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
670 { PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
671 { PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
672 { PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
673 { PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
674 { PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
675 { PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
676 { PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
677 { PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
678 { PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
679 { PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
680 { PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
681 { PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
682 { PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
685 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
687 int tag = track->enc->codec_tag;
690 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
691 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
692 tag = mov_pix_fmt_tags[i].tag;
693 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
701 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
703 int tag = track->enc->codec_tag;
705 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
706 (track->enc->codec_id == CODEC_ID_DVVIDEO ||
707 track->enc->codec_id == CODEC_ID_RAWVIDEO ||
708 track->enc->codec_id == CODEC_ID_H263 ||
709 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
710 if (track->enc->codec_id == CODEC_ID_DVVIDEO)
711 tag = mov_get_dv_codec_tag(s, track);
712 else if (track->enc->codec_id == CODEC_ID_RAWVIDEO)
713 tag = mov_get_rawvideo_codec_tag(s, track);
714 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
715 tag = ff_codec_get_tag(codec_movvideo_tags, track->enc->codec_id);
716 if (!tag) { // if no mac fcc found, try with Microsoft tags
717 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
719 av_log(s, AV_LOG_INFO, "Warning, using MS style video codec tag, "
720 "the file may be unplayable!\n");
722 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
723 tag = ff_codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
724 if (!tag) { // if no mac fcc found, try with Microsoft tags
725 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
727 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
728 av_log(s, AV_LOG_INFO, "Warning, using MS style audio codec tag, "
729 "the file may be unplayable!\n");
732 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
733 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
739 static const AVCodecTag codec_3gp_tags[] = {
740 { CODEC_ID_H263, MKTAG('s','2','6','3') },
741 { CODEC_ID_H264, MKTAG('a','v','c','1') },
742 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
743 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
744 { CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
745 { CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
746 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
747 { CODEC_ID_NONE, 0 },
750 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
752 int tag = track->enc->codec_tag;
754 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
755 tag = mp4_get_codec_tag(s, track);
756 else if (track->mode == MODE_IPOD)
757 tag = ipod_get_codec_tag(s, track);
758 else if (track->mode & MODE_3GP)
759 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
761 tag = mov_get_codec_tag(s, track);
767 * Needed to make file play in iPods running newest firmware
768 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
770 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
773 ffio_wfourcc(pb, "uuid");
774 avio_wb32(pb, 0x6b6840f2);
775 avio_wb32(pb, 0x5f244fc5);
776 avio_wb32(pb, 0xba39a51b);
777 avio_wb32(pb, 0xcf0323f3);
782 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
784 int64_t pos = avio_tell(pb);
785 avio_wb32(pb, 0); /* size */
786 avio_wl32(pb, track->tag); // store it byteswapped
787 avio_wb32(pb, 0); /* Reserved */
788 avio_wb16(pb, 0); /* Reserved */
789 avio_wb16(pb, 1); /* Data-reference index */
791 if (track->enc->extradata_size)
792 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
794 return updateSize(pb, pos);
797 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
800 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
801 track->enc->sample_aspect_ratio.den, INT_MAX);
804 ffio_wfourcc(pb, "pasp");
805 avio_wb32(pb, sar.num);
806 avio_wb32(pb, sar.den);
810 static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
812 int64_t pos = avio_tell(pb);
813 char compressor_name[32];
815 avio_wb32(pb, 0); /* size */
816 avio_wl32(pb, track->tag); // store it byteswapped
817 avio_wb32(pb, 0); /* Reserved */
818 avio_wb16(pb, 0); /* Reserved */
819 avio_wb16(pb, 1); /* Data-reference index */
821 avio_wb16(pb, 0); /* Codec stream version */
822 avio_wb16(pb, 0); /* Codec stream revision (=0) */
823 if (track->mode == MODE_MOV) {
824 ffio_wfourcc(pb, "FFMP"); /* Vendor */
825 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
826 avio_wb32(pb, 0); /* Temporal Quality */
827 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
829 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
830 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
833 avio_wb32(pb, 0); /* Reserved */
834 avio_wb32(pb, 0); /* Reserved */
835 avio_wb32(pb, 0); /* Reserved */
837 avio_wb16(pb, track->enc->width); /* Video width */
838 avio_wb16(pb, track->height); /* Video height */
839 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
840 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
841 avio_wb32(pb, 0); /* Data size (= 0) */
842 avio_wb16(pb, 1); /* Frame count (= 1) */
844 memset(compressor_name,0,32);
845 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
846 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
847 av_strlcpy(compressor_name,track->enc->codec->name,32);
848 avio_w8(pb, strlen(compressor_name));
849 avio_write(pb, compressor_name, 31);
851 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
852 avio_wb16(pb, track->enc->bits_per_coded_sample);
854 avio_wb16(pb, 0x18); /* Reserved */
855 avio_wb16(pb, 0xffff); /* Reserved */
856 if(track->tag == MKTAG('m','p','4','v'))
857 mov_write_esds_tag(pb, track);
858 else if(track->enc->codec_id == CODEC_ID_H263)
859 mov_write_d263_tag(pb);
860 else if(track->enc->codec_id == CODEC_ID_SVQ3)
861 mov_write_svq3_tag(pb);
862 else if(track->enc->codec_id == CODEC_ID_DNXHD)
863 mov_write_avid_tag(pb, track);
864 else if(track->enc->codec_id == CODEC_ID_H264) {
865 mov_write_avcc_tag(pb, track);
866 if(track->mode == MODE_IPOD)
867 mov_write_uuid_tag_ipod(pb);
868 } else if(track->vosLen > 0)
869 mov_write_glbl_tag(pb, track);
871 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
872 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
873 mov_write_pasp_tag(pb, track);
876 return updateSize(pb, pos);
879 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
881 int64_t pos = avio_tell(pb);
882 avio_wb32(pb, 0); /* size */
883 ffio_wfourcc(pb, "rtp ");
884 avio_wb32(pb, 0); /* Reserved */
885 avio_wb16(pb, 0); /* Reserved */
886 avio_wb16(pb, 1); /* Data-reference index */
888 avio_wb16(pb, 1); /* Hint track version */
889 avio_wb16(pb, 1); /* Highest compatible version */
890 avio_wb32(pb, track->max_packet_size); /* Max packet size */
892 avio_wb32(pb, 12); /* size */
893 ffio_wfourcc(pb, "tims");
894 avio_wb32(pb, track->timescale);
896 return updateSize(pb, pos);
899 static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
901 int64_t pos = avio_tell(pb);
902 avio_wb32(pb, 0); /* size */
903 ffio_wfourcc(pb, "stsd");
904 avio_wb32(pb, 0); /* version & flags */
905 avio_wb32(pb, 1); /* entry count */
906 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
907 mov_write_video_tag(pb, track);
908 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
909 mov_write_audio_tag(pb, track);
910 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
911 mov_write_subtitle_tag(pb, track);
912 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
913 mov_write_rtp_tag(pb, track);
914 return updateSize(pb, pos);
917 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
919 MOVStts *ctts_entries;
920 uint32_t entries = 0;
924 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
925 ctts_entries[0].count = 1;
926 ctts_entries[0].duration = track->cluster[0].cts;
927 for (i=1; i<track->entry; i++) {
928 if (track->cluster[i].cts == ctts_entries[entries].duration) {
929 ctts_entries[entries].count++; /* compress */
932 ctts_entries[entries].duration = track->cluster[i].cts;
933 ctts_entries[entries].count = 1;
936 entries++; /* last one */
937 atom_size = 16 + (entries * 8);
938 avio_wb32(pb, atom_size); /* size */
939 ffio_wfourcc(pb, "ctts");
940 avio_wb32(pb, 0); /* version & flags */
941 avio_wb32(pb, entries); /* entry count */
942 for (i=0; i<entries; i++) {
943 avio_wb32(pb, ctts_entries[i].count);
944 avio_wb32(pb, ctts_entries[i].duration);
946 av_free(ctts_entries);
950 /* Time to sample atom */
951 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
953 MOVStts *stts_entries;
954 uint32_t entries = -1;
958 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
959 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
960 stts_entries[0].count = track->sampleCount;
961 stts_entries[0].duration = 1;
964 stts_entries = av_malloc(track->entry * sizeof(*stts_entries)); /* worst case */
965 for (i=0; i<track->entry; i++) {
966 int64_t duration = i + 1 == track->entry ?
967 track->trackDuration - track->cluster[i].dts + track->cluster[0].dts : /* readjusting */
968 track->cluster[i+1].dts - track->cluster[i].dts;
969 if (i && duration == stts_entries[entries].duration) {
970 stts_entries[entries].count++; /* compress */
973 stts_entries[entries].duration = duration;
974 stts_entries[entries].count = 1;
977 entries++; /* last one */
979 atom_size = 16 + (entries * 8);
980 avio_wb32(pb, atom_size); /* size */
981 ffio_wfourcc(pb, "stts");
982 avio_wb32(pb, 0); /* version & flags */
983 avio_wb32(pb, entries); /* entry count */
984 for (i=0; i<entries; i++) {
985 avio_wb32(pb, stts_entries[i].count);
986 avio_wb32(pb, stts_entries[i].duration);
988 av_free(stts_entries);
992 static int mov_write_dref_tag(AVIOContext *pb)
994 avio_wb32(pb, 28); /* size */
995 ffio_wfourcc(pb, "dref");
996 avio_wb32(pb, 0); /* version & flags */
997 avio_wb32(pb, 1); /* entry count */
999 avio_wb32(pb, 0xc); /* size */
1000 ffio_wfourcc(pb, "url ");
1001 avio_wb32(pb, 1); /* version & flags */
1006 static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
1008 int64_t pos = avio_tell(pb);
1009 avio_wb32(pb, 0); /* size */
1010 ffio_wfourcc(pb, "stbl");
1011 mov_write_stsd_tag(pb, track);
1012 mov_write_stts_tag(pb, track);
1013 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1014 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
1015 track->hasKeyframes && track->hasKeyframes < track->entry)
1016 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1017 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1018 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
1019 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1020 track->flags & MOV_TRACK_CTTS)
1021 mov_write_ctts_tag(pb, track);
1022 mov_write_stsc_tag(pb, track);
1023 mov_write_stsz_tag(pb, track);
1024 mov_write_stco_tag(pb, track);
1025 return updateSize(pb, pos);
1028 static int mov_write_dinf_tag(AVIOContext *pb)
1030 int64_t pos = avio_tell(pb);
1031 avio_wb32(pb, 0); /* size */
1032 ffio_wfourcc(pb, "dinf");
1033 mov_write_dref_tag(pb);
1034 return updateSize(pb, pos);
1037 static int mov_write_nmhd_tag(AVIOContext *pb)
1040 ffio_wfourcc(pb, "nmhd");
1045 static int mov_write_gmhd_tag(AVIOContext *pb)
1047 avio_wb32(pb, 0x20); /* size */
1048 ffio_wfourcc(pb, "gmhd");
1049 avio_wb32(pb, 0x18); /* gmin size */
1050 ffio_wfourcc(pb, "gmin");/* generic media info */
1051 avio_wb32(pb, 0); /* version & flags */
1052 avio_wb16(pb, 0x40); /* graphics mode = */
1053 avio_wb16(pb, 0x8000); /* opColor (r?) */
1054 avio_wb16(pb, 0x8000); /* opColor (g?) */
1055 avio_wb16(pb, 0x8000); /* opColor (b?) */
1056 avio_wb16(pb, 0); /* balance */
1057 avio_wb16(pb, 0); /* reserved */
1061 static int mov_write_smhd_tag(AVIOContext *pb)
1063 avio_wb32(pb, 16); /* size */
1064 ffio_wfourcc(pb, "smhd");
1065 avio_wb32(pb, 0); /* version & flags */
1066 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1067 avio_wb16(pb, 0); /* reserved */
1071 static int mov_write_vmhd_tag(AVIOContext *pb)
1073 avio_wb32(pb, 0x14); /* size (always 0x14) */
1074 ffio_wfourcc(pb, "vmhd");
1075 avio_wb32(pb, 0x01); /* version & flags */
1076 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
1080 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
1082 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1083 int64_t pos = avio_tell(pb);
1085 if (!track) { /* no media --> data handler */
1088 descr = "DataHandler";
1090 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1091 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1093 descr = "VideoHandler";
1094 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1096 descr = "SoundHandler";
1097 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1098 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
1099 else hdlr_type = "text";
1100 descr = "SubtitleHandler";
1101 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1103 descr = "HintHandler";
1107 avio_wb32(pb, 0); /* size */
1108 ffio_wfourcc(pb, "hdlr");
1109 avio_wb32(pb, 0); /* Version & flags */
1110 avio_write(pb, hdlr, 4); /* handler */
1111 ffio_wfourcc(pb, hdlr_type); /* handler type */
1112 avio_wb32(pb ,0); /* reserved */
1113 avio_wb32(pb ,0); /* reserved */
1114 avio_wb32(pb ,0); /* reserved */
1115 if (!track || track->mode == MODE_MOV)
1116 avio_w8(pb, strlen(descr)); /* pascal string */
1117 avio_write(pb, descr, strlen(descr)); /* handler description */
1118 if (track && track->mode != MODE_MOV)
1119 avio_w8(pb, 0); /* c string */
1120 return updateSize(pb, pos);
1123 static int mov_write_hmhd_tag(AVIOContext *pb)
1125 /* This atom must be present, but leaving the values at zero
1126 * seems harmless. */
1127 avio_wb32(pb, 28); /* size */
1128 ffio_wfourcc(pb, "hmhd");
1129 avio_wb32(pb, 0); /* version, flags */
1130 avio_wb16(pb, 0); /* maxPDUsize */
1131 avio_wb16(pb, 0); /* avgPDUsize */
1132 avio_wb32(pb, 0); /* maxbitrate */
1133 avio_wb32(pb, 0); /* avgbitrate */
1134 avio_wb32(pb, 0); /* reserved */
1138 static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
1140 int64_t pos = avio_tell(pb);
1141 avio_wb32(pb, 0); /* size */
1142 ffio_wfourcc(pb, "minf");
1143 if(track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1144 mov_write_vmhd_tag(pb);
1145 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1146 mov_write_smhd_tag(pb);
1147 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1148 if (track->tag == MKTAG('t','e','x','t')) mov_write_gmhd_tag(pb);
1149 else mov_write_nmhd_tag(pb);
1150 } else if (track->tag == MKTAG('r','t','p',' ')) {
1151 mov_write_hmhd_tag(pb);
1153 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1154 mov_write_hdlr_tag(pb, NULL);
1155 mov_write_dinf_tag(pb);
1156 mov_write_stbl_tag(pb, track);
1157 return updateSize(pb, pos);
1160 static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track)
1162 int version = track->trackDuration < INT32_MAX ? 0 : 1;
1164 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
1165 ffio_wfourcc(pb, "mdhd");
1166 avio_w8(pb, version);
1167 avio_wb24(pb, 0); /* flags */
1169 avio_wb64(pb, track->time);
1170 avio_wb64(pb, track->time);
1172 avio_wb32(pb, track->time); /* creation time */
1173 avio_wb32(pb, track->time); /* modification time */
1175 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
1176 (version == 1) ? avio_wb64(pb, track->trackDuration) : avio_wb32(pb, track->trackDuration); /* duration */
1177 avio_wb16(pb, track->language); /* language */
1178 avio_wb16(pb, 0); /* reserved (quality) */
1180 if(version!=0 && track->mode == MODE_MOV){
1181 av_log(NULL, AV_LOG_ERROR,
1182 "FATAL error, file duration too long for timebase, this file will not be\n"
1183 "playable with quicktime. Choose a different timebase or a different\n"
1184 "container format\n");
1190 static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track)
1192 int64_t pos = avio_tell(pb);
1193 avio_wb32(pb, 0); /* size */
1194 ffio_wfourcc(pb, "mdia");
1195 mov_write_mdhd_tag(pb, track);
1196 mov_write_hdlr_tag(pb, track);
1197 mov_write_minf_tag(pb, track);
1198 return updateSize(pb, pos);
1201 static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1203 int64_t duration = av_rescale_rnd(track->trackDuration, MOV_TIMESCALE,
1204 track->timescale, AV_ROUND_UP);
1205 int version = duration < INT32_MAX ? 0 : 1;
1207 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
1208 ffio_wfourcc(pb, "tkhd");
1209 avio_w8(pb, version);
1210 avio_wb24(pb, 0xf); /* flags (track enabled) */
1212 avio_wb64(pb, track->time);
1213 avio_wb64(pb, track->time);
1215 avio_wb32(pb, track->time); /* creation time */
1216 avio_wb32(pb, track->time); /* modification time */
1218 avio_wb32(pb, track->trackID); /* track-id */
1219 avio_wb32(pb, 0); /* reserved */
1220 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
1222 avio_wb32(pb, 0); /* reserved */
1223 avio_wb32(pb, 0); /* reserved */
1224 avio_wb32(pb, 0x0); /* reserved (Layer & Alternate group) */
1225 /* Volume, only for audio */
1226 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1227 avio_wb16(pb, 0x0100);
1230 avio_wb16(pb, 0); /* reserved */
1232 /* Matrix structure */
1233 avio_wb32(pb, 0x00010000); /* reserved */
1234 avio_wb32(pb, 0x0); /* reserved */
1235 avio_wb32(pb, 0x0); /* reserved */
1236 avio_wb32(pb, 0x0); /* reserved */
1237 avio_wb32(pb, 0x00010000); /* reserved */
1238 avio_wb32(pb, 0x0); /* reserved */
1239 avio_wb32(pb, 0x0); /* reserved */
1240 avio_wb32(pb, 0x0); /* reserved */
1241 avio_wb32(pb, 0x40000000); /* reserved */
1243 /* Track width and height, for visual only */
1244 if(st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1245 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
1246 if(track->mode == MODE_MOV) {
1247 avio_wb32(pb, track->enc->width << 16);
1248 avio_wb32(pb, track->height << 16);
1250 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1251 if(!sample_aspect_ratio || track->height != track->enc->height)
1252 sample_aspect_ratio = 1;
1253 avio_wb32(pb, sample_aspect_ratio * track->enc->width*0x10000);
1254 avio_wb32(pb, track->height*0x10000);
1264 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
1266 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
1267 track->enc->sample_aspect_ratio.den);
1269 int64_t pos = avio_tell(pb);
1271 avio_wb32(pb, 0); /* size */
1272 ffio_wfourcc(pb, "tapt");
1275 ffio_wfourcc(pb, "clef");
1277 avio_wb32(pb, width << 16);
1278 avio_wb32(pb, track->enc->height << 16);
1281 ffio_wfourcc(pb, "enof");
1283 avio_wb32(pb, track->enc->width << 16);
1284 avio_wb32(pb, track->enc->height << 16);
1286 return updateSize(pb, pos);
1289 // This box seems important for the psp playback ... without it the movie seems to hang
1290 static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track)
1292 int64_t duration = av_rescale_rnd(track->trackDuration, MOV_TIMESCALE,
1293 track->timescale, AV_ROUND_UP);
1294 int version = duration < INT32_MAX ? 0 : 1;
1295 int entry_size, entry_count, size;
1296 int64_t delay, start_ct = track->cluster[0].cts;
1297 delay = av_rescale_rnd(track->cluster[0].dts + start_ct, MOV_TIMESCALE,
1298 track->timescale, AV_ROUND_DOWN);
1299 version |= delay < INT32_MAX ? 0 : 1;
1301 entry_size = (version == 1) ? 20 : 12;
1302 entry_count = 1 + (delay > 0);
1303 size = 24 + entry_count * entry_size;
1305 /* write the atom data */
1306 avio_wb32(pb, size);
1307 ffio_wfourcc(pb, "edts");
1308 avio_wb32(pb, size - 8);
1309 ffio_wfourcc(pb, "elst");
1310 avio_w8(pb, version);
1311 avio_wb24(pb, 0); /* flags */
1313 avio_wb32(pb, entry_count);
1314 if (delay > 0) { /* add an empty edit to delay presentation */
1316 avio_wb64(pb, delay);
1319 avio_wb32(pb, delay);
1322 avio_wb32(pb, 0x00010000);
1327 avio_wb64(pb, duration);
1328 avio_wb64(pb, start_ct);
1330 avio_wb32(pb, duration);
1331 avio_wb32(pb, start_ct);
1333 avio_wb32(pb, 0x00010000);
1337 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
1339 avio_wb32(pb, 20); // size
1340 ffio_wfourcc(pb, "tref");
1341 avio_wb32(pb, 12); // size (subatom)
1342 avio_wl32(pb, track->tref_tag);
1343 avio_wb32(pb, track->tref_id);
1347 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1348 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
1350 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1351 ffio_wfourcc(pb, "uuid");
1352 ffio_wfourcc(pb, "USMT");
1353 avio_wb32(pb, 0x21d24fce);
1354 avio_wb32(pb, 0xbb88695c);
1355 avio_wb32(pb, 0xfac9c740);
1356 avio_wb32(pb, 0x1c); // another size here!
1357 ffio_wfourcc(pb, "MTDT");
1358 avio_wb32(pb, 0x00010012);
1359 avio_wb32(pb, 0x0a);
1360 avio_wb32(pb, 0x55c40000);
1366 static int mov_write_udta_sdp(AVIOContext *pb, AVFormatContext *ctx, int index)
1368 char buf[1000] = "";
1371 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0]->codec, NULL, NULL, 0, 0, ctx->flags);
1372 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", index);
1375 avio_wb32(pb, len + 24);
1376 ffio_wfourcc(pb, "udta");
1377 avio_wb32(pb, len + 16);
1378 ffio_wfourcc(pb, "hnti");
1379 avio_wb32(pb, len + 8);
1380 ffio_wfourcc(pb, "sdp ");
1381 avio_write(pb, buf, len);
1385 static int mov_write_trak_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1387 int64_t pos = avio_tell(pb);
1388 avio_wb32(pb, 0); /* size */
1389 ffio_wfourcc(pb, "trak");
1390 mov_write_tkhd_tag(pb, track, st);
1391 if (track->mode == MODE_PSP || track->flags & MOV_TRACK_CTTS || track->cluster[0].dts)
1392 mov_write_edts_tag(pb, track); // PSP Movies require edts box
1393 if (track->tref_tag)
1394 mov_write_tref_tag(pb, track);
1395 mov_write_mdia_tag(pb, track);
1396 if (track->mode == MODE_PSP)
1397 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
1398 if (track->tag == MKTAG('r','t','p',' '))
1399 mov_write_udta_sdp(pb, track->rtp_ctx, track->trackID);
1400 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && track->mode == MODE_MOV) {
1401 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1402 if (0.0 != sample_aspect_ratio && 1.0 != sample_aspect_ratio)
1403 mov_write_tapt_tag(pb, track);
1405 return updateSize(pb, pos);
1409 /* TODO: Not sorted out, but not necessary either */
1410 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
1412 avio_wb32(pb, 0x15); /* size */
1413 ffio_wfourcc(pb, "iods");
1414 avio_wb32(pb, 0); /* version & flags */
1415 avio_wb16(pb, 0x1007);
1417 avio_wb16(pb, 0x4fff);
1418 avio_wb16(pb, 0xfffe);
1419 avio_wb16(pb, 0x01ff);
1424 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
1426 int maxTrackID = 1, i;
1427 int64_t maxTrackLenTemp, maxTrackLen = 0;
1430 for (i=0; i<mov->nb_streams; i++) {
1431 if(mov->tracks[i].entry > 0) {
1432 maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration,
1434 mov->tracks[i].timescale,
1436 if(maxTrackLen < maxTrackLenTemp)
1437 maxTrackLen = maxTrackLenTemp;
1438 if(maxTrackID < mov->tracks[i].trackID)
1439 maxTrackID = mov->tracks[i].trackID;
1443 version = maxTrackLen < UINT32_MAX ? 0 : 1;
1444 (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
1445 ffio_wfourcc(pb, "mvhd");
1446 avio_w8(pb, version);
1447 avio_wb24(pb, 0); /* flags */
1449 avio_wb64(pb, mov->time);
1450 avio_wb64(pb, mov->time);
1452 avio_wb32(pb, mov->time); /* creation time */
1453 avio_wb32(pb, mov->time); /* modification time */
1455 avio_wb32(pb, MOV_TIMESCALE);
1456 (version == 1) ? avio_wb64(pb, maxTrackLen) : avio_wb32(pb, maxTrackLen); /* duration of longest track */
1458 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1459 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1460 avio_wb16(pb, 0); /* reserved */
1461 avio_wb32(pb, 0); /* reserved */
1462 avio_wb32(pb, 0); /* reserved */
1464 /* Matrix structure */
1465 avio_wb32(pb, 0x00010000); /* reserved */
1466 avio_wb32(pb, 0x0); /* reserved */
1467 avio_wb32(pb, 0x0); /* reserved */
1468 avio_wb32(pb, 0x0); /* reserved */
1469 avio_wb32(pb, 0x00010000); /* reserved */
1470 avio_wb32(pb, 0x0); /* reserved */
1471 avio_wb32(pb, 0x0); /* reserved */
1472 avio_wb32(pb, 0x0); /* reserved */
1473 avio_wb32(pb, 0x40000000); /* reserved */
1475 avio_wb32(pb, 0); /* reserved (preview time) */
1476 avio_wb32(pb, 0); /* reserved (preview duration) */
1477 avio_wb32(pb, 0); /* reserved (poster time) */
1478 avio_wb32(pb, 0); /* reserved (selection time) */
1479 avio_wb32(pb, 0); /* reserved (selection duration) */
1480 avio_wb32(pb, 0); /* reserved (current time) */
1481 avio_wb32(pb, maxTrackID+1); /* Next track id */
1485 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
1488 avio_wb32(pb, 33); /* size */
1489 ffio_wfourcc(pb, "hdlr");
1492 ffio_wfourcc(pb, "mdir");
1493 ffio_wfourcc(pb, "appl");
1500 /* helper function to write a data tag with the specified string as data */
1501 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
1504 int size = 16 + strlen(data);
1505 avio_wb32(pb, size); /* size */
1506 ffio_wfourcc(pb, "data");
1509 avio_write(pb, data, strlen(data));
1513 lang = ff_mov_iso639_to_lang("und", 1);
1514 avio_wb16(pb, strlen(data)); /* string length */
1515 avio_wb16(pb, lang);
1516 avio_write(pb, data, strlen(data));
1517 return strlen(data) + 4;
1521 static int mov_write_string_tag(AVIOContext *pb, const char *name, const char *value, int lang, int long_style){
1523 if (value && value[0]) {
1524 int64_t pos = avio_tell(pb);
1525 avio_wb32(pb, 0); /* size */
1526 ffio_wfourcc(pb, name);
1527 mov_write_string_data_tag(pb, value, lang, long_style);
1528 size= updateSize(pb, pos);
1533 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
1534 const char *name, const char *tag,
1537 int l, lang = 0, len, len2;
1538 AVDictionaryEntry *t, *t2 = NULL;
1541 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
1544 len = strlen(t->key);
1545 snprintf(tag2, sizeof(tag2), "%s-", tag);
1546 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
1547 len2 = strlen(t2->key);
1548 if (len2 == len+4 && !strcmp(t->value, t2->value)
1549 && (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 1)) >= 0) {
1554 return mov_write_string_tag(pb, name, t->value, lang, long_style);
1557 /* iTunes track number */
1558 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
1561 AVDictionaryEntry *t = av_dict_get(s->metadata, "track", NULL, 0);
1562 int size = 0, track = t ? atoi(t->value) : 0;
1564 avio_wb32(pb, 32); /* size */
1565 ffio_wfourcc(pb, "trkn");
1566 avio_wb32(pb, 24); /* size */
1567 ffio_wfourcc(pb, "data");
1568 avio_wb32(pb, 0); // 8 bytes empty
1570 avio_wb16(pb, 0); // empty
1571 avio_wb16(pb, track); // track number
1572 avio_wb16(pb, 0); // total track number
1573 avio_wb16(pb, 0); // empty
1579 /* iTunes meta data list */
1580 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
1583 int64_t pos = avio_tell(pb);
1584 avio_wb32(pb, 0); /* size */
1585 ffio_wfourcc(pb, "ilst");
1586 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
1587 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
1588 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
1589 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
1590 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
1591 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
1592 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
1593 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
1594 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
1595 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
1596 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
1597 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
1598 mov_write_string_metadata(s, pb, "desc", "description",1);
1599 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
1600 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
1601 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
1602 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
1603 mov_write_trkn_tag(pb, mov, s);
1604 return updateSize(pb, pos);
1607 /* iTunes meta data tag */
1608 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
1612 int64_t pos = avio_tell(pb);
1613 avio_wb32(pb, 0); /* size */
1614 ffio_wfourcc(pb, "meta");
1616 mov_write_itunes_hdlr_tag(pb, mov, s);
1617 mov_write_ilst_tag(pb, mov, s);
1618 size = updateSize(pb, pos);
1622 static int utf8len(const uint8_t *b)
1627 GET_UTF8(val, *b++, return -1;)
1633 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
1637 GET_UTF8(val, *b++, return -1;)
1640 avio_wb16(pb, 0x00);
1644 static uint16_t language_code(const char *str)
1646 return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
1649 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
1650 const char *tag, const char *str)
1652 int64_t pos = avio_tell(pb);
1653 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
1654 if (!t || !utf8len(t->value))
1656 avio_wb32(pb, 0); /* size */
1657 ffio_wfourcc(pb, tag); /* type */
1658 avio_wb32(pb, 0); /* version + flags */
1659 if (!strcmp(tag, "yrrc"))
1660 avio_wb16(pb, atoi(t->value));
1662 avio_wb16(pb, language_code("eng")); /* language */
1663 avio_write(pb, t->value, strlen(t->value)+1); /* UTF8 string value */
1664 if (!strcmp(tag, "albm") &&
1665 (t = av_dict_get(s->metadata, "track", NULL, 0)))
1666 avio_w8(pb, atoi(t->value));
1668 return updateSize(pb, pos);
1671 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
1673 int64_t pos = avio_tell(pb);
1674 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
1676 avio_wb32(pb, 0); // size
1677 ffio_wfourcc(pb, "chpl");
1678 avio_wb32(pb, 0x01000000); // version + flags
1679 avio_wb32(pb, 0); // unknown
1680 avio_w8(pb, nb_chapters);
1682 for (i = 0; i < nb_chapters; i++) {
1683 AVChapter *c = s->chapters[i];
1684 AVDictionaryEntry *t;
1685 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
1687 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
1688 int len = FFMIN(strlen(t->value), 255);
1690 avio_write(pb, t->value, len);
1694 return updateSize(pb, pos);
1697 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
1700 AVIOContext *pb_buf;
1704 for (i = 0; i < s->nb_streams; i++)
1705 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
1709 ret = avio_open_dyn_buf(&pb_buf);
1713 if (mov->mode & MODE_3GP) {
1714 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
1715 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
1716 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
1717 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
1718 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
1719 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
1720 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
1721 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
1722 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
1723 mov_write_string_metadata(s, pb_buf, "\251ART", "artist" , 0);
1724 mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0);
1725 mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0);
1726 mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0);
1727 mov_write_string_metadata(s, pb_buf, "\251day", "date" , 0);
1728 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder" , 0);
1729 mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0);
1730 mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0);
1731 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0);
1733 /* iTunes meta data */
1734 mov_write_meta_tag(pb_buf, mov, s);
1738 mov_write_chpl_tag(pb_buf, s);
1740 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
1741 avio_wb32(pb, size+8);
1742 ffio_wfourcc(pb, "udta");
1743 avio_write(pb, buf, size);
1750 static void mov_write_psp_udta_tag(AVIOContext *pb,
1751 const char *str, const char *lang, int type)
1753 int len = utf8len(str)+1;
1756 avio_wb16(pb, len*2+10); /* size */
1757 avio_wb32(pb, type); /* type */
1758 avio_wb16(pb, language_code(lang)); /* language */
1759 avio_wb16(pb, 0x01); /* ? */
1760 ascii_to_wc(pb, str);
1763 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
1765 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
1769 pos = avio_tell(pb);
1770 avio_wb32(pb, 0); /* size placeholder*/
1771 ffio_wfourcc(pb, "uuid");
1772 ffio_wfourcc(pb, "USMT");
1773 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
1774 avio_wb32(pb, 0xbb88695c);
1775 avio_wb32(pb, 0xfac9c740);
1777 pos2 = avio_tell(pb);
1778 avio_wb32(pb, 0); /* size placeholder*/
1779 ffio_wfourcc(pb, "MTDT");
1783 avio_wb16(pb, 0x0C); /* size */
1784 avio_wb32(pb, 0x0B); /* type */
1785 avio_wb16(pb, language_code("und")); /* language */
1786 avio_wb16(pb, 0x0); /* ? */
1787 avio_wb16(pb, 0x021C); /* data */
1789 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
1790 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
1791 // 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);
1792 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
1794 updateSize(pb, pos2);
1795 return updateSize(pb, pos);
1801 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
1805 int64_t pos = avio_tell(pb);
1806 avio_wb32(pb, 0); /* size placeholder*/
1807 ffio_wfourcc(pb, "moov");
1809 for (i=0; i<mov->nb_streams; i++) {
1810 if(mov->tracks[i].entry <= 0) continue;
1812 mov->tracks[i].time = mov->time;
1813 mov->tracks[i].trackID = i+1;
1816 if (mov->chapter_track)
1817 for (i=0; i<s->nb_streams; i++) {
1818 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
1819 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].trackID;
1821 for (i = 0; i < mov->nb_streams; i++) {
1822 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
1823 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
1824 mov->tracks[i].tref_id =
1825 mov->tracks[mov->tracks[i].src_track].trackID;
1829 mov_write_mvhd_tag(pb, mov);
1830 //mov_write_iods_tag(pb, mov);
1831 for (i=0; i<mov->nb_streams; i++) {
1832 if(mov->tracks[i].entry > 0) {
1833 mov_write_trak_tag(pb, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
1837 if (mov->mode == MODE_PSP)
1838 mov_write_uuidusmt_tag(pb, s);
1840 mov_write_udta_tag(pb, mov, s);
1842 return updateSize(pb, pos);
1845 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
1847 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
1848 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
1850 mov->mdat_pos = avio_tell(pb);
1851 avio_wb32(pb, 0); /* size placeholder*/
1852 ffio_wfourcc(pb, "mdat");
1856 /* TODO: This needs to be more general */
1857 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
1859 MOVMuxContext *mov = s->priv_data;
1860 int64_t pos = avio_tell(pb);
1861 int has_h264 = 0, has_video = 0;
1865 for (i = 0; i < s->nb_streams; i++) {
1866 AVStream *st = s->streams[i];
1867 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
1869 if (st->codec->codec_id == CODEC_ID_H264)
1873 avio_wb32(pb, 0); /* size */
1874 ffio_wfourcc(pb, "ftyp");
1876 if (mov->mode == MODE_3GP) {
1877 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
1878 minor = has_h264 ? 0x100 : 0x200;
1879 } else if (mov->mode & MODE_3G2) {
1880 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
1881 minor = has_h264 ? 0x20000 : 0x10000;
1882 }else if (mov->mode == MODE_PSP)
1883 ffio_wfourcc(pb, "MSNV");
1884 else if (mov->mode == MODE_MP4)
1885 ffio_wfourcc(pb, "isom");
1886 else if (mov->mode == MODE_IPOD)
1887 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
1889 ffio_wfourcc(pb, "qt ");
1891 avio_wb32(pb, minor);
1893 if(mov->mode == MODE_MOV)
1894 ffio_wfourcc(pb, "qt ");
1896 ffio_wfourcc(pb, "isom");
1897 ffio_wfourcc(pb, "iso2");
1899 ffio_wfourcc(pb, "avc1");
1902 if (mov->mode == MODE_3GP)
1903 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
1904 else if (mov->mode & MODE_3G2)
1905 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
1906 else if (mov->mode == MODE_PSP)
1907 ffio_wfourcc(pb, "MSNV");
1908 else if (mov->mode == MODE_MP4)
1909 ffio_wfourcc(pb, "mp41");
1910 return updateSize(pb, pos);
1913 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
1915 AVCodecContext *VideoCodec = s->streams[0]->codec;
1916 AVCodecContext *AudioCodec = s->streams[1]->codec;
1917 int AudioRate = AudioCodec->sample_rate;
1918 int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num);
1919 int audio_kbitrate= AudioCodec->bit_rate / 1000;
1920 int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate);
1922 avio_wb32(pb, 0x94); /* size */
1923 ffio_wfourcc(pb, "uuid");
1924 ffio_wfourcc(pb, "PROF");
1926 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
1927 avio_wb32(pb, 0xbb88695c);
1928 avio_wb32(pb, 0xfac9c740);
1930 avio_wb32(pb, 0x0); /* ? */
1931 avio_wb32(pb, 0x3); /* 3 sections ? */
1933 avio_wb32(pb, 0x14); /* size */
1934 ffio_wfourcc(pb, "FPRF");
1935 avio_wb32(pb, 0x0); /* ? */
1936 avio_wb32(pb, 0x0); /* ? */
1937 avio_wb32(pb, 0x0); /* ? */
1939 avio_wb32(pb, 0x2c); /* size */
1940 ffio_wfourcc(pb, "APRF");/* audio */
1942 avio_wb32(pb, 0x2); /* TrackID */
1943 ffio_wfourcc(pb, "mp4a");
1944 avio_wb32(pb, 0x20f);
1946 avio_wb32(pb, audio_kbitrate);
1947 avio_wb32(pb, audio_kbitrate);
1948 avio_wb32(pb, AudioRate);
1949 avio_wb32(pb, AudioCodec->channels);
1951 avio_wb32(pb, 0x34); /* size */
1952 ffio_wfourcc(pb, "VPRF"); /* video */
1954 avio_wb32(pb, 0x1); /* TrackID */
1955 if (VideoCodec->codec_id == CODEC_ID_H264) {
1956 ffio_wfourcc(pb, "avc1");
1957 avio_wb16(pb, 0x014D);
1958 avio_wb16(pb, 0x0015);
1960 ffio_wfourcc(pb, "mp4v");
1961 avio_wb16(pb, 0x0000);
1962 avio_wb16(pb, 0x0103);
1965 avio_wb32(pb, video_kbitrate);
1966 avio_wb32(pb, video_kbitrate);
1967 avio_wb32(pb, FrameRate);
1968 avio_wb32(pb, FrameRate);
1969 avio_wb16(pb, VideoCodec->width);
1970 avio_wb16(pb, VideoCodec->height);
1971 avio_wb32(pb, 0x010001); /* ? */
1974 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
1977 int i, closed_gop = 0;
1979 for (i = 0; i < pkt->size - 4; i++) {
1980 c = (c<<8) + pkt->data[i];
1981 if (c == 0x1b8) { // gop
1982 closed_gop = pkt->data[i+4]>>6 & 0x01;
1983 } else if (c == 0x100) { // pic
1984 int temp_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
1985 if (!temp_ref || closed_gop) // I picture is not reordered
1986 *flags = MOV_SYNC_SAMPLE;
1988 *flags = MOV_PARTIAL_SYNC_SAMPLE;
1995 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
1997 MOVMuxContext *mov = s->priv_data;
1998 AVIOContext *pb = s->pb;
1999 MOVTrack *trk = &mov->tracks[pkt->stream_index];
2000 AVCodecContext *enc = trk->enc;
2001 unsigned int samplesInChunk = 0;
2002 int size= pkt->size;
2004 if (!s->pb->seekable) return 0; /* Can't handle that */
2005 if (!size) return 0; /* Discard 0 sized packets */
2007 if (enc->codec_id == CODEC_ID_AMR_NB) {
2008 /* We must find out how many AMR blocks there are in one packet */
2009 static uint16_t packed_size[16] =
2010 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 0};
2013 while (len < size && samplesInChunk < 100) {
2014 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
2017 if(samplesInChunk > 1){
2018 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
2021 } else if (enc->codec_id == CODEC_ID_ADPCM_MS ||
2022 enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
2023 samplesInChunk = enc->frame_size;
2024 } else if (trk->sampleSize)
2025 samplesInChunk = size/trk->sampleSize;
2029 /* copy extradata if it exists */
2030 if (trk->vosLen == 0 && enc->extradata_size > 0) {
2031 trk->vosLen = enc->extradata_size;
2032 trk->vosData = av_malloc(trk->vosLen);
2033 memcpy(trk->vosData, enc->extradata, trk->vosLen);
2036 if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) {
2037 /* from x264 or from bytestream h264 */
2038 /* nal reformating needed */
2039 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
2040 } else if (enc->codec_id == CODEC_ID_AAC && pkt->size > 2 &&
2041 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
2042 av_log(s, AV_LOG_ERROR, "malformated aac bitstream, use -absf aac_adtstoasc\n");
2045 avio_write(pb, pkt->data, size);
2048 if ((enc->codec_id == CODEC_ID_DNXHD ||
2049 enc->codec_id == CODEC_ID_AC3) && !trk->vosLen) {
2050 /* copy frame to create needed atoms */
2052 trk->vosData = av_malloc(size);
2054 return AVERROR(ENOMEM);
2055 memcpy(trk->vosData, pkt->data, size);
2058 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
2059 trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster));
2064 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
2065 trk->cluster[trk->entry].samplesInChunk = samplesInChunk;
2066 trk->cluster[trk->entry].size = size;
2067 trk->cluster[trk->entry].entries = samplesInChunk;
2068 trk->cluster[trk->entry].dts = pkt->dts;
2069 trk->trackDuration = pkt->dts - trk->cluster[0].dts + pkt->duration;
2071 if (pkt->pts == AV_NOPTS_VALUE) {
2072 av_log(s, AV_LOG_WARNING, "pts has no value\n");
2073 pkt->pts = pkt->dts;
2075 if (pkt->dts != pkt->pts)
2076 trk->flags |= MOV_TRACK_CTTS;
2077 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
2078 trk->cluster[trk->entry].flags = 0;
2079 if (pkt->flags & AV_PKT_FLAG_KEY) {
2080 if (mov->mode == MODE_MOV && enc->codec_id == CODEC_ID_MPEG2VIDEO &&
2081 trk->entry > 0) { // force sync sample for the first key frame
2082 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
2083 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
2084 trk->flags |= MOV_TRACK_STPS;
2086 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
2088 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
2089 trk->hasKeyframes++;
2092 trk->sampleCount += samplesInChunk;
2093 mov->mdat_size += size;
2097 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
2098 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry);
2102 // QuickTime chapters involve an additional text track with the chapter names
2103 // as samples, and a tref pointing from the other tracks to the chapter one.
2104 static void mov_create_chapter_track(AVFormatContext *s, int tracknum)
2106 MOVMuxContext *mov = s->priv_data;
2107 MOVTrack *track = &mov->tracks[tracknum];
2108 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
2111 track->mode = mov->mode;
2112 track->tag = MKTAG('t','e','x','t');
2113 track->timescale = MOV_TIMESCALE;
2114 track->enc = avcodec_alloc_context();
2115 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
2117 for (i = 0; i < s->nb_chapters; i++) {
2118 AVChapter *c = s->chapters[i];
2119 AVDictionaryEntry *t;
2121 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
2122 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
2123 pkt.duration = end - pkt.dts;
2125 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
2126 len = strlen(t->value);
2128 pkt.data = av_malloc(pkt.size);
2129 AV_WB16(pkt.data, len);
2130 memcpy(pkt.data+2, t->value, len);
2131 ff_mov_write_packet(s, &pkt);
2132 av_freep(&pkt.data);
2137 static int mov_write_header(AVFormatContext *s)
2139 AVIOContext *pb = s->pb;
2140 MOVMuxContext *mov = s->priv_data;
2141 int i, hint_track = 0;
2143 if (!s->pb->seekable) {
2144 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
2148 /* Default mode == MP4 */
2149 mov->mode = MODE_MP4;
2151 if (s->oformat != NULL) {
2152 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
2153 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
2154 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
2155 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
2156 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
2158 mov_write_ftyp_tag(pb,s);
2159 if (mov->mode == MODE_PSP) {
2160 if (s->nb_streams != 2) {
2161 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
2164 mov_write_uuidprof_tag(pb,s);
2168 mov->nb_streams = s->nb_streams;
2169 if (mov->mode & (MODE_MOV|MODE_IPOD) && s->nb_chapters)
2170 mov->chapter_track = mov->nb_streams++;
2172 #if FF_API_FLAG_RTP_HINT
2173 if (s->flags & AVFMT_FLAG_RTP_HINT) {
2174 av_log(s, AV_LOG_WARNING, "The RTP_HINT flag is deprecated, enable it "
2175 "via the -movflags rtphint muxer option "
2177 mov->flags |= FF_MOV_FLAG_RTP_HINT;
2180 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
2181 /* Add hint tracks for each audio and video stream */
2182 hint_track = mov->nb_streams;
2183 for (i = 0; i < s->nb_streams; i++) {
2184 AVStream *st = s->streams[i];
2185 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2186 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
2192 mov->tracks = av_mallocz(mov->nb_streams*sizeof(*mov->tracks));
2194 return AVERROR(ENOMEM);
2196 for(i=0; i<s->nb_streams; i++){
2197 AVStream *st= s->streams[i];
2198 MOVTrack *track= &mov->tracks[i];
2199 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
2201 track->enc = st->codec;
2202 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
2203 if (track->language < 0)
2204 track->language = 0;
2205 track->mode = mov->mode;
2206 track->tag = mov_find_codec_tag(s, track);
2208 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
2209 "codec not currently supported in container\n", i);
2212 /* If hinting of this track is enabled by a later hint track,
2213 * this is updated. */
2214 track->hint_track = -1;
2215 if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
2216 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
2217 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
2218 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
2219 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
2220 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
2223 track->height = track->tag>>24 == 'n' ? 486 : 576;
2225 track->timescale = st->codec->time_base.den;
2226 if (track->mode == MODE_MOV && track->timescale > 100000)
2227 av_log(s, AV_LOG_WARNING,
2228 "WARNING codec timebase is very high. If duration is too long,\n"
2229 "file may not be playable by quicktime. Specify a shorter timebase\n"
2230 "or choose different container.\n");
2231 }else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
2232 track->timescale = st->codec->sample_rate;
2233 if(!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
2234 av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
2236 }else if(st->codec->codec_id == CODEC_ID_ADPCM_MS ||
2237 st->codec->codec_id == CODEC_ID_ADPCM_IMA_WAV){
2238 if (!st->codec->block_align) {
2239 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
2242 track->sampleSize = st->codec->block_align;
2243 }else if(st->codec->frame_size > 1){ /* assume compressed audio */
2244 track->audio_vbr = 1;
2246 st->codec->frame_size = 1;
2247 track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
2249 if (track->mode != MODE_MOV) {
2250 if (track->timescale > UINT16_MAX) {
2251 av_log(s, AV_LOG_ERROR, "track %d: output format does not support "
2252 "sample rate %dhz\n", i, track->timescale);
2255 if (track->enc->codec_id == CODEC_ID_MP3 && track->timescale < 16000) {
2256 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
2257 i, track->enc->sample_rate);
2261 }else if(st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE){
2262 track->timescale = st->codec->time_base.den;
2265 track->height = st->codec->height;
2267 av_set_pts_info(st, 64, 1, track->timescale);
2270 mov_write_mdat_tag(pb, mov);
2271 mov->time = s->timestamp + 0x7C25B080; //1970 based -> 1904 based
2273 if (mov->chapter_track)
2274 mov_create_chapter_track(s, mov->chapter_track);
2276 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
2277 /* Initialize the hint tracks for each audio and video stream */
2278 for (i = 0; i < s->nb_streams; i++) {
2279 AVStream *st = s->streams[i];
2280 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2281 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
2282 ff_mov_init_hinting(s, hint_track, i);
2292 av_freep(&mov->tracks);
2296 static int mov_write_trailer(AVFormatContext *s)
2298 MOVMuxContext *mov = s->priv_data;
2299 AVIOContext *pb = s->pb;
2303 int64_t moov_pos = avio_tell(pb);
2305 /* Write size of mdat tag */
2306 if (mov->mdat_size+8 <= UINT32_MAX) {
2307 avio_seek(pb, mov->mdat_pos, SEEK_SET);
2308 avio_wb32(pb, mov->mdat_size+8);
2310 /* overwrite 'wide' placeholder atom */
2311 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
2312 avio_wb32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */
2313 ffio_wfourcc(pb, "mdat");
2314 avio_wb64(pb, mov->mdat_size+16);
2316 avio_seek(pb, moov_pos, SEEK_SET);
2318 mov_write_moov_tag(pb, mov, s);
2320 if (mov->chapter_track)
2321 av_freep(&mov->tracks[mov->chapter_track].enc);
2323 for (i=0; i<mov->nb_streams; i++) {
2324 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
2325 ff_mov_close_hinting(&mov->tracks[i]);
2326 av_freep(&mov->tracks[i].cluster);
2328 if(mov->tracks[i].vosLen) av_free(mov->tracks[i].vosData);
2334 av_freep(&mov->tracks);
2339 #if CONFIG_MOV_MUXER
2340 AVOutputFormat ff_mov_muxer = {
2342 NULL_IF_CONFIG_SMALL("MOV format"),
2345 sizeof(MOVMuxContext),
2349 ff_mov_write_packet,
2351 .flags = AVFMT_GLOBALHEADER,
2352 .codec_tag = (const AVCodecTag* const []){codec_movvideo_tags, codec_movaudio_tags, 0},
2353 .priv_class = &mov_muxer_class,
2356 #if CONFIG_TGP_MUXER
2357 AVOutputFormat ff_tgp_muxer = {
2359 NULL_IF_CONFIG_SMALL("3GP format"),
2362 sizeof(MOVMuxContext),
2366 ff_mov_write_packet,
2368 .flags = AVFMT_GLOBALHEADER,
2369 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
2370 .priv_class = &mov_muxer_class,
2373 #if CONFIG_MP4_MUXER
2374 AVOutputFormat ff_mp4_muxer = {
2376 NULL_IF_CONFIG_SMALL("MP4 format"),
2379 sizeof(MOVMuxContext),
2383 ff_mov_write_packet,
2385 .flags = AVFMT_GLOBALHEADER,
2386 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
2387 .priv_class = &mov_muxer_class,
2390 #if CONFIG_PSP_MUXER
2391 AVOutputFormat ff_psp_muxer = {
2393 NULL_IF_CONFIG_SMALL("PSP MP4 format"),
2396 sizeof(MOVMuxContext),
2400 ff_mov_write_packet,
2402 .flags = AVFMT_GLOBALHEADER,
2403 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
2404 .priv_class = &mov_muxer_class,
2407 #if CONFIG_TG2_MUXER
2408 AVOutputFormat ff_tg2_muxer = {
2410 NULL_IF_CONFIG_SMALL("3GP2 format"),
2413 sizeof(MOVMuxContext),
2417 ff_mov_write_packet,
2419 .flags = AVFMT_GLOBALHEADER,
2420 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
2421 .priv_class = &mov_muxer_class,
2424 #if CONFIG_IPOD_MUXER
2425 AVOutputFormat ff_ipod_muxer = {
2427 NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"),
2430 sizeof(MOVMuxContext),
2434 ff_mov_write_packet,
2436 .flags = AVFMT_GLOBALHEADER,
2437 .codec_tag = (const AVCodecTag* const []){codec_ipod_tags, 0},
2438 .priv_class = &mov_muxer_class,