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"
39 //FIXME support 64 bit variant with wide placeholders
40 static int64_t updateSize(AVIOContext *pb, int64_t pos)
42 int64_t curpos = avio_tell(pb);
43 avio_seek(pb, pos, SEEK_SET);
44 avio_wb32(pb, curpos - pos); /* rewrite size */
45 avio_seek(pb, curpos, SEEK_SET);
50 /* Chunk offset atom */
51 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
54 int mode64 = 0; // use 32 bit size variant if possible
55 int64_t pos = avio_tell(pb);
56 avio_wb32(pb, 0); /* size */
57 if (pos > UINT32_MAX) {
59 ffio_wfourcc(pb, "co64");
61 ffio_wfourcc(pb, "stco");
62 avio_wb32(pb, 0); /* version & flags */
63 avio_wb32(pb, track->entry); /* entry count */
64 for (i=0; i<track->entry; i++) {
66 avio_wb64(pb, track->cluster[i].pos);
68 avio_wb32(pb, track->cluster[i].pos);
70 return updateSize(pb, pos);
73 /* Sample size atom */
74 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
77 int i, j, entries = 0, tst = -1, oldtst = -1;
79 int64_t pos = avio_tell(pb);
80 avio_wb32(pb, 0); /* size */
81 ffio_wfourcc(pb, "stsz");
82 avio_wb32(pb, 0); /* version & flags */
84 for (i=0; i<track->entry; i++) {
85 tst = track->cluster[i].size/track->cluster[i].entries;
86 if(oldtst != -1 && tst != oldtst) {
90 entries += track->cluster[i].entries;
93 int sSize = track->cluster[0].size/track->cluster[0].entries;
94 avio_wb32(pb, sSize); // sample size
95 avio_wb32(pb, entries); // sample count
98 avio_wb32(pb, 0); // sample size
99 avio_wb32(pb, entries); // sample count
100 for (i=0; i<track->entry; i++) {
101 for (j=0; j<track->cluster[i].entries; j++) {
102 avio_wb32(pb, track->cluster[i].size /
103 track->cluster[i].entries);
107 return updateSize(pb, pos);
110 /* Sample to chunk atom */
111 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
113 int index = 0, oldval = -1, i;
114 int64_t entryPos, curpos;
116 int64_t pos = avio_tell(pb);
117 avio_wb32(pb, 0); /* size */
118 ffio_wfourcc(pb, "stsc");
119 avio_wb32(pb, 0); // version & flags
120 entryPos = avio_tell(pb);
121 avio_wb32(pb, track->entry); // entry count
122 for (i=0; i<track->entry; i++) {
123 if(oldval != track->cluster[i].samplesInChunk)
125 avio_wb32(pb, i+1); // first chunk
126 avio_wb32(pb, track->cluster[i].samplesInChunk); // samples per chunk
127 avio_wb32(pb, 0x1); // sample description index
128 oldval = track->cluster[i].samplesInChunk;
132 curpos = avio_tell(pb);
133 avio_seek(pb, entryPos, SEEK_SET);
134 avio_wb32(pb, index); // rewrite size
135 avio_seek(pb, curpos, SEEK_SET);
137 return updateSize(pb, pos);
140 /* Sync sample atom */
141 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
143 int64_t curpos, entryPos;
145 int64_t pos = avio_tell(pb);
146 avio_wb32(pb, 0); // size
147 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
148 avio_wb32(pb, 0); // version & flags
149 entryPos = avio_tell(pb);
150 avio_wb32(pb, track->entry); // entry count
151 for (i=0; i<track->entry; i++) {
152 if (track->cluster[i].flags & flag) {
157 curpos = avio_tell(pb);
158 avio_seek(pb, entryPos, SEEK_SET);
159 avio_wb32(pb, index); // rewrite size
160 avio_seek(pb, curpos, SEEK_SET);
161 return updateSize(pb, pos);
164 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
166 avio_wb32(pb, 0x11); /* size */
167 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
168 else ffio_wfourcc(pb, "damr");
169 ffio_wfourcc(pb, "FFMP");
170 avio_w8(pb, 0); /* decoder version */
172 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
173 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
174 avio_w8(pb, 0x01); /* Frames per sample */
178 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
183 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
185 if (track->vosLen < 7)
189 ffio_wfourcc(pb, "dac3");
191 init_get_bits(&gbc, track->vosData+4, track->vosLen-4);
192 fscod = get_bits(&gbc, 2);
193 frmsizecod = get_bits(&gbc, 6);
194 bsid = get_bits(&gbc, 5);
195 bsmod = get_bits(&gbc, 3);
196 acmod = get_bits(&gbc, 3);
198 skip_bits(&gbc, 2); // dsurmod
200 if ((acmod & 1) && acmod != 1)
201 skip_bits(&gbc, 2); // cmixlev
203 skip_bits(&gbc, 2); // surmixlev
205 lfeon = get_bits1(&gbc);
207 init_put_bits(&pbc, buf, sizeof(buf));
208 put_bits(&pbc, 2, fscod);
209 put_bits(&pbc, 5, bsid);
210 put_bits(&pbc, 3, bsmod);
211 put_bits(&pbc, 3, acmod);
212 put_bits(&pbc, 1, lfeon);
213 put_bits(&pbc, 5, frmsizecod>>1); // bit_rate_code
214 put_bits(&pbc, 5, 0); // reserved
216 flush_put_bits(&pbc);
217 avio_write(pb, buf, sizeof(buf));
223 * This function writes extradata "as is".
224 * Extradata must be formated like a valid atom (with size and tag)
226 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
228 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
229 return track->enc->extradata_size;
232 static int mov_write_enda_tag(AVIOContext *pb)
235 ffio_wfourcc(pb, "enda");
236 avio_wb16(pb, 1); /* little endian */
240 static unsigned int descrLength(unsigned int len)
243 for(i=1; len>>(7*i); i++);
247 static void putDescr(AVIOContext *pb, int tag, unsigned int size)
249 int i= descrLength(size) - size - 2;
252 avio_w8(pb, (size>>(7*i)) | 0x80);
253 avio_w8(pb, size & 0x7F);
256 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
258 int64_t pos = avio_tell(pb);
259 int decoderSpecificInfoLen = track->vosLen ? descrLength(track->vosLen):0;
261 avio_wb32(pb, 0); // size
262 ffio_wfourcc(pb, "esds");
263 avio_wb32(pb, 0); // Version
266 putDescr(pb, 0x03, 3 + descrLength(13 + decoderSpecificInfoLen) +
268 avio_wb16(pb, track->trackID);
269 avio_w8(pb, 0x00); // flags (= no flags)
271 // DecoderConfig descriptor
272 putDescr(pb, 0x04, 13 + decoderSpecificInfoLen);
274 // Object type indication
275 if ((track->enc->codec_id == CODEC_ID_MP2 ||
276 track->enc->codec_id == CODEC_ID_MP3) &&
277 track->enc->sample_rate > 24000)
278 avio_w8(pb, 0x6B); // 11172-3
280 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
282 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
283 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
284 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
285 avio_w8(pb, 0x15); // flags (= Audiostream)
287 avio_w8(pb, 0x11); // flags (= Visualstream)
289 avio_w8(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits)
290 avio_wb16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB
292 avio_wb32(pb, FFMAX(track->enc->bit_rate, track->enc->rc_max_rate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
293 if(track->enc->rc_max_rate != track->enc->rc_min_rate || track->enc->rc_min_rate==0)
294 avio_wb32(pb, 0); // vbr
296 avio_wb32(pb, track->enc->rc_max_rate); // avg bitrate
299 // DecoderSpecific info descriptor
300 putDescr(pb, 0x05, track->vosLen);
301 avio_write(pb, track->vosData, track->vosLen);
305 putDescr(pb, 0x06, 1);
307 return updateSize(pb, pos);
310 static int mov_pcm_le_gt16(enum CodecID codec_id)
312 return codec_id == CODEC_ID_PCM_S24LE ||
313 codec_id == CODEC_ID_PCM_S32LE ||
314 codec_id == CODEC_ID_PCM_F32LE ||
315 codec_id == CODEC_ID_PCM_F64LE;
318 static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
320 int64_t pos = avio_tell(pb);
322 avio_wl32(pb, track->tag); // store it byteswapped
323 track->enc->codec_tag = av_bswap16(track->tag >> 16);
324 ff_put_wav_header(pb, track->enc);
325 return updateSize(pb, pos);
328 static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
330 int64_t pos = avio_tell(pb);
332 avio_wb32(pb, 0); /* size */
333 ffio_wfourcc(pb, "wave");
335 avio_wb32(pb, 12); /* size */
336 ffio_wfourcc(pb, "frma");
337 avio_wl32(pb, track->tag);
339 if (track->enc->codec_id == CODEC_ID_AAC) {
340 /* useless atom needed by mplayer, ipod, not needed by quicktime */
341 avio_wb32(pb, 12); /* size */
342 ffio_wfourcc(pb, "mp4a");
344 mov_write_esds_tag(pb, track);
345 } else if (mov_pcm_le_gt16(track->enc->codec_id)) {
346 mov_write_enda_tag(pb);
347 } else if (track->enc->codec_id == CODEC_ID_AMR_NB) {
348 mov_write_amr_tag(pb, track);
349 } else if (track->enc->codec_id == CODEC_ID_AC3) {
350 mov_write_ac3_tag(pb, track);
351 } else if (track->enc->codec_id == CODEC_ID_ALAC) {
352 mov_write_extradata_tag(pb, track);
353 } else if (track->enc->codec_id == CODEC_ID_ADPCM_MS ||
354 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
355 mov_write_ms_tag(pb, track);
358 avio_wb32(pb, 8); /* size */
359 avio_wb32(pb, 0); /* null tag */
361 return updateSize(pb, pos);
364 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
366 avio_wb32(pb, track->vosLen+8);
367 ffio_wfourcc(pb, "glbl");
368 avio_write(pb, track->vosData, track->vosLen);
369 return 8+track->vosLen;
373 * Compute flags for 'lpcm' tag.
374 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
376 static int mov_get_lpcm_flags(enum CodecID codec_id)
379 case CODEC_ID_PCM_F32BE:
380 case CODEC_ID_PCM_F64BE:
382 case CODEC_ID_PCM_F32LE:
383 case CODEC_ID_PCM_F64LE:
385 case CODEC_ID_PCM_U8:
387 case CODEC_ID_PCM_S16BE:
388 case CODEC_ID_PCM_S24BE:
389 case CODEC_ID_PCM_S32BE:
391 case CODEC_ID_PCM_S8:
392 case CODEC_ID_PCM_S16LE:
393 case CODEC_ID_PCM_S24LE:
394 case CODEC_ID_PCM_S32LE:
401 static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
403 int64_t pos = avio_tell(pb);
405 uint32_t tag = track->tag;
407 if (track->mode == MODE_MOV) {
408 if (track->timescale > UINT16_MAX) {
409 if (mov_get_lpcm_flags(track->enc->codec_id))
410 tag = AV_RL32("lpcm");
412 } else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id) ||
413 track->enc->codec_id == CODEC_ID_ADPCM_MS ||
414 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
419 avio_wb32(pb, 0); /* size */
420 avio_wl32(pb, tag); // store it byteswapped
421 avio_wb32(pb, 0); /* Reserved */
422 avio_wb16(pb, 0); /* Reserved */
423 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
425 /* SoundDescription */
426 avio_wb16(pb, version); /* Version */
427 avio_wb16(pb, 0); /* Revision level */
428 avio_wb32(pb, 0); /* Reserved */
433 avio_wb16(pb, 0xfffe);
435 avio_wb32(pb, 0x00010000);
437 avio_wb64(pb, av_dbl2int(track->timescale));
438 avio_wb32(pb, track->enc->channels);
439 avio_wb32(pb, 0x7F000000);
440 avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
441 avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
442 avio_wb32(pb, track->sampleSize);
443 avio_wb32(pb, track->enc->frame_size);
445 if (track->mode == MODE_MOV) {
446 avio_wb16(pb, track->enc->channels);
447 if (track->enc->codec_id == CODEC_ID_PCM_U8 ||
448 track->enc->codec_id == CODEC_ID_PCM_S8)
449 avio_wb16(pb, 8); /* bits per sample */
452 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
453 } else { /* reserved for mp4/3gp */
459 avio_wb16(pb, 0); /* packet size (= 0) */
460 avio_wb16(pb, track->timescale); /* Time scale */
461 avio_wb16(pb, 0); /* Reserved */
464 if(version == 1) { /* SoundDescription V1 extended info */
465 avio_wb32(pb, track->enc->frame_size); /* Samples per packet */
466 avio_wb32(pb, track->sampleSize / track->enc->channels); /* Bytes per packet */
467 avio_wb32(pb, track->sampleSize); /* Bytes per frame */
468 avio_wb32(pb, 2); /* Bytes per sample */
471 if(track->mode == MODE_MOV &&
472 (track->enc->codec_id == CODEC_ID_AAC ||
473 track->enc->codec_id == CODEC_ID_AC3 ||
474 track->enc->codec_id == CODEC_ID_AMR_NB ||
475 track->enc->codec_id == CODEC_ID_ALAC ||
476 track->enc->codec_id == CODEC_ID_ADPCM_MS ||
477 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV ||
478 mov_pcm_le_gt16(track->enc->codec_id)))
479 mov_write_wave_tag(pb, track);
480 else if(track->tag == MKTAG('m','p','4','a'))
481 mov_write_esds_tag(pb, track);
482 else if(track->enc->codec_id == CODEC_ID_AMR_NB)
483 mov_write_amr_tag(pb, track);
484 else if(track->enc->codec_id == CODEC_ID_AC3)
485 mov_write_ac3_tag(pb, track);
486 else if(track->enc->codec_id == CODEC_ID_ALAC)
487 mov_write_extradata_tag(pb, track);
488 else if(track->vosLen > 0)
489 mov_write_glbl_tag(pb, track);
491 return updateSize(pb, pos);
494 static int mov_write_d263_tag(AVIOContext *pb)
496 avio_wb32(pb, 0xf); /* size */
497 ffio_wfourcc(pb, "d263");
498 ffio_wfourcc(pb, "FFMP");
499 avio_w8(pb, 0); /* decoder version */
500 /* FIXME use AVCodecContext level/profile, when encoder will set values */
501 avio_w8(pb, 0xa); /* level */
502 avio_w8(pb, 0); /* profile */
506 /* TODO: No idea about these values */
507 static int mov_write_svq3_tag(AVIOContext *pb)
510 ffio_wfourcc(pb, "SMI ");
511 ffio_wfourcc(pb, "SEQH");
513 avio_wb32(pb, 0xe2c0211d);
514 avio_wb32(pb, 0xc0000000);
519 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
521 int64_t pos = avio_tell(pb);
524 ffio_wfourcc(pb, "avcC");
525 ff_isom_write_avcc(pb, track->vosData, track->vosLen);
526 return updateSize(pb, pos);
529 /* also used by all avid codecs (dv, imx, meridien) and their variants */
530 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
533 avio_wb32(pb, 24); /* size */
534 ffio_wfourcc(pb, "ACLR");
535 ffio_wfourcc(pb, "ACLR");
536 ffio_wfourcc(pb, "0001");
537 avio_wb32(pb, 1); /* yuv 1 / rgb 2 ? */
538 avio_wb32(pb, 0); /* unknown */
540 avio_wb32(pb, 24); /* size */
541 ffio_wfourcc(pb, "APRG");
542 ffio_wfourcc(pb, "APRG");
543 ffio_wfourcc(pb, "0001");
544 avio_wb32(pb, 1); /* unknown */
545 avio_wb32(pb, 0); /* unknown */
547 avio_wb32(pb, 120); /* size */
548 ffio_wfourcc(pb, "ARES");
549 ffio_wfourcc(pb, "ARES");
550 ffio_wfourcc(pb, "0001");
551 avio_wb32(pb, AV_RB32(track->vosData + 0x28)); /* dnxhd cid, some id ? */
552 avio_wb32(pb, track->enc->width);
553 /* values below are based on samples created with quicktime and avid codecs */
554 if (track->vosData[5] & 2) { // interlaced
555 avio_wb32(pb, track->enc->height/2);
556 avio_wb32(pb, 2); /* unknown */
557 avio_wb32(pb, 0); /* unknown */
558 avio_wb32(pb, 4); /* unknown */
560 avio_wb32(pb, track->enc->height);
561 avio_wb32(pb, 1); /* unknown */
562 avio_wb32(pb, 0); /* unknown */
563 if (track->enc->height == 1080)
564 avio_wb32(pb, 5); /* unknown */
566 avio_wb32(pb, 6); /* unknown */
569 for (i = 0; i < 10; i++)
572 /* extra padding for stsd needed */
577 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
579 int tag = track->enc->codec_tag;
581 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
584 if (track->enc->codec_id == CODEC_ID_H264) tag = MKTAG('a','v','c','1');
585 else if (track->enc->codec_id == CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
586 else if (track->enc->codec_id == CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
587 else if (track->enc->codec_id == CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
588 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
589 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
594 static const AVCodecTag codec_ipod_tags[] = {
595 { CODEC_ID_H264, MKTAG('a','v','c','1') },
596 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
597 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
598 { CODEC_ID_ALAC, MKTAG('a','l','a','c') },
599 { CODEC_ID_AC3, MKTAG('a','c','-','3') },
600 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
601 { CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
602 { CODEC_ID_NONE, 0 },
605 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
607 int tag = track->enc->codec_tag;
609 // keep original tag for subs, ipod supports both formats
610 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
611 (tag == MKTAG('t','x','3','g') ||
612 tag == MKTAG('t','e','x','t'))))
613 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
615 if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v"))
616 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
617 "Quicktime/Ipod might not play the file\n");
622 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
626 if (track->enc->width == 720) /* SD */
627 if (track->enc->height == 480) /* NTSC */
628 if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
629 else tag = MKTAG('d','v','c',' ');
630 else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
631 else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
632 else tag = MKTAG('d','v','p','p');
633 else if (track->enc->height == 720) /* HD 720 line */
634 if (track->enc->time_base.den == 50) tag = MKTAG('d','v','h','q');
635 else tag = MKTAG('d','v','h','p');
636 else if (track->enc->height == 1080) /* HD 1080 line */
637 if (track->enc->time_base.den == 25) tag = MKTAG('d','v','h','5');
638 else tag = MKTAG('d','v','h','6');
640 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
647 static const struct {
648 enum PixelFormat pix_fmt;
651 } mov_pix_fmt_tags[] = {
652 { PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
653 { PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
654 { PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
655 { PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
656 { PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
657 { PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
658 { PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
659 { PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
660 { PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
661 { PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
662 { PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
663 { PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
664 { PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
665 { PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
668 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
670 int tag = track->enc->codec_tag;
673 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
674 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
675 tag = mov_pix_fmt_tags[i].tag;
676 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
684 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
686 int tag = track->enc->codec_tag;
688 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
689 (track->enc->codec_id == CODEC_ID_DVVIDEO ||
690 track->enc->codec_id == CODEC_ID_RAWVIDEO ||
691 track->enc->codec_id == CODEC_ID_H263 ||
692 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
693 if (track->enc->codec_id == CODEC_ID_DVVIDEO)
694 tag = mov_get_dv_codec_tag(s, track);
695 else if (track->enc->codec_id == CODEC_ID_RAWVIDEO)
696 tag = mov_get_rawvideo_codec_tag(s, track);
697 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
698 tag = ff_codec_get_tag(codec_movvideo_tags, track->enc->codec_id);
699 if (!tag) { // if no mac fcc found, try with Microsoft tags
700 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
702 av_log(s, AV_LOG_INFO, "Warning, using MS style video codec tag, "
703 "the file may be unplayable!\n");
705 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
706 tag = ff_codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
707 if (!tag) { // if no mac fcc found, try with Microsoft tags
708 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
710 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
711 av_log(s, AV_LOG_INFO, "Warning, using MS style audio codec tag, "
712 "the file may be unplayable!\n");
715 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
716 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
722 static const AVCodecTag codec_3gp_tags[] = {
723 { CODEC_ID_H263, MKTAG('s','2','6','3') },
724 { CODEC_ID_H264, MKTAG('a','v','c','1') },
725 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
726 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
727 { CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
728 { CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
729 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
730 { CODEC_ID_NONE, 0 },
733 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
735 int tag = track->enc->codec_tag;
737 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
738 tag = mp4_get_codec_tag(s, track);
739 else if (track->mode == MODE_IPOD)
740 tag = ipod_get_codec_tag(s, track);
741 else if (track->mode & MODE_3GP)
742 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
744 tag = mov_get_codec_tag(s, track);
750 * Needed to make file play in iPods running newest firmware
751 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
753 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
756 ffio_wfourcc(pb, "uuid");
757 avio_wb32(pb, 0x6b6840f2);
758 avio_wb32(pb, 0x5f244fc5);
759 avio_wb32(pb, 0xba39a51b);
760 avio_wb32(pb, 0xcf0323f3);
765 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
767 int64_t pos = avio_tell(pb);
768 avio_wb32(pb, 0); /* size */
769 avio_wl32(pb, track->tag); // store it byteswapped
770 avio_wb32(pb, 0); /* Reserved */
771 avio_wb16(pb, 0); /* Reserved */
772 avio_wb16(pb, 1); /* Data-reference index */
774 if (track->enc->extradata_size)
775 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
777 return updateSize(pb, pos);
780 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
783 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
784 track->enc->sample_aspect_ratio.den, INT_MAX);
787 ffio_wfourcc(pb, "pasp");
788 avio_wb32(pb, sar.num);
789 avio_wb32(pb, sar.den);
793 static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
795 int64_t pos = avio_tell(pb);
796 char compressor_name[32];
798 avio_wb32(pb, 0); /* size */
799 avio_wl32(pb, track->tag); // store it byteswapped
800 avio_wb32(pb, 0); /* Reserved */
801 avio_wb16(pb, 0); /* Reserved */
802 avio_wb16(pb, 1); /* Data-reference index */
804 avio_wb16(pb, 0); /* Codec stream version */
805 avio_wb16(pb, 0); /* Codec stream revision (=0) */
806 if (track->mode == MODE_MOV) {
807 ffio_wfourcc(pb, "FFMP"); /* Vendor */
808 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
809 avio_wb32(pb, 0); /* Temporal Quality */
810 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
812 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
813 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
816 avio_wb32(pb, 0); /* Reserved */
817 avio_wb32(pb, 0); /* Reserved */
818 avio_wb32(pb, 0); /* Reserved */
820 avio_wb16(pb, track->enc->width); /* Video width */
821 avio_wb16(pb, track->height); /* Video height */
822 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
823 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
824 avio_wb32(pb, 0); /* Data size (= 0) */
825 avio_wb16(pb, 1); /* Frame count (= 1) */
827 memset(compressor_name,0,32);
828 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
829 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
830 strncpy(compressor_name,track->enc->codec->name,31);
831 avio_w8(pb, strlen(compressor_name));
832 avio_write(pb, compressor_name, 31);
834 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
835 avio_wb16(pb, track->enc->bits_per_coded_sample);
837 avio_wb16(pb, 0x18); /* Reserved */
838 avio_wb16(pb, 0xffff); /* Reserved */
839 if(track->tag == MKTAG('m','p','4','v'))
840 mov_write_esds_tag(pb, track);
841 else if(track->enc->codec_id == CODEC_ID_H263)
842 mov_write_d263_tag(pb);
843 else if(track->enc->codec_id == CODEC_ID_SVQ3)
844 mov_write_svq3_tag(pb);
845 else if(track->enc->codec_id == CODEC_ID_DNXHD)
846 mov_write_avid_tag(pb, track);
847 else if(track->enc->codec_id == CODEC_ID_H264) {
848 mov_write_avcc_tag(pb, track);
849 if(track->mode == MODE_IPOD)
850 mov_write_uuid_tag_ipod(pb);
851 } else if(track->vosLen > 0)
852 mov_write_glbl_tag(pb, track);
854 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
855 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
856 mov_write_pasp_tag(pb, track);
859 return updateSize(pb, pos);
862 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
864 int64_t pos = avio_tell(pb);
865 avio_wb32(pb, 0); /* size */
866 ffio_wfourcc(pb, "rtp ");
867 avio_wb32(pb, 0); /* Reserved */
868 avio_wb16(pb, 0); /* Reserved */
869 avio_wb16(pb, 1); /* Data-reference index */
871 avio_wb16(pb, 1); /* Hint track version */
872 avio_wb16(pb, 1); /* Highest compatible version */
873 avio_wb32(pb, track->max_packet_size); /* Max packet size */
875 avio_wb32(pb, 12); /* size */
876 ffio_wfourcc(pb, "tims");
877 avio_wb32(pb, track->timescale);
879 return updateSize(pb, pos);
882 static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
884 int64_t pos = avio_tell(pb);
885 avio_wb32(pb, 0); /* size */
886 ffio_wfourcc(pb, "stsd");
887 avio_wb32(pb, 0); /* version & flags */
888 avio_wb32(pb, 1); /* entry count */
889 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
890 mov_write_video_tag(pb, track);
891 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
892 mov_write_audio_tag(pb, track);
893 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
894 mov_write_subtitle_tag(pb, track);
895 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
896 mov_write_rtp_tag(pb, track);
897 return updateSize(pb, pos);
900 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
902 MOVStts *ctts_entries;
903 uint32_t entries = 0;
907 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
908 ctts_entries[0].count = 1;
909 ctts_entries[0].duration = track->cluster[0].cts;
910 for (i=1; i<track->entry; i++) {
911 if (track->cluster[i].cts == ctts_entries[entries].duration) {
912 ctts_entries[entries].count++; /* compress */
915 ctts_entries[entries].duration = track->cluster[i].cts;
916 ctts_entries[entries].count = 1;
919 entries++; /* last one */
920 atom_size = 16 + (entries * 8);
921 avio_wb32(pb, atom_size); /* size */
922 ffio_wfourcc(pb, "ctts");
923 avio_wb32(pb, 0); /* version & flags */
924 avio_wb32(pb, entries); /* entry count */
925 for (i=0; i<entries; i++) {
926 avio_wb32(pb, ctts_entries[i].count);
927 avio_wb32(pb, ctts_entries[i].duration);
929 av_free(ctts_entries);
933 /* Time to sample atom */
934 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
936 MOVStts *stts_entries;
937 uint32_t entries = -1;
941 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
942 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
943 stts_entries[0].count = track->sampleCount;
944 stts_entries[0].duration = 1;
947 stts_entries = av_malloc(track->entry * sizeof(*stts_entries)); /* worst case */
948 for (i=0; i<track->entry; i++) {
949 int64_t duration = i + 1 == track->entry ?
950 track->trackDuration - track->cluster[i].dts + track->cluster[0].dts : /* readjusting */
951 track->cluster[i+1].dts - track->cluster[i].dts;
952 if (i && duration == stts_entries[entries].duration) {
953 stts_entries[entries].count++; /* compress */
956 stts_entries[entries].duration = duration;
957 stts_entries[entries].count = 1;
960 entries++; /* last one */
962 atom_size = 16 + (entries * 8);
963 avio_wb32(pb, atom_size); /* size */
964 ffio_wfourcc(pb, "stts");
965 avio_wb32(pb, 0); /* version & flags */
966 avio_wb32(pb, entries); /* entry count */
967 for (i=0; i<entries; i++) {
968 avio_wb32(pb, stts_entries[i].count);
969 avio_wb32(pb, stts_entries[i].duration);
971 av_free(stts_entries);
975 static int mov_write_dref_tag(AVIOContext *pb)
977 avio_wb32(pb, 28); /* size */
978 ffio_wfourcc(pb, "dref");
979 avio_wb32(pb, 0); /* version & flags */
980 avio_wb32(pb, 1); /* entry count */
982 avio_wb32(pb, 0xc); /* size */
983 ffio_wfourcc(pb, "url ");
984 avio_wb32(pb, 1); /* version & flags */
989 static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
991 int64_t pos = avio_tell(pb);
992 avio_wb32(pb, 0); /* size */
993 ffio_wfourcc(pb, "stbl");
994 mov_write_stsd_tag(pb, track);
995 mov_write_stts_tag(pb, track);
996 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
997 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
998 track->hasKeyframes && track->hasKeyframes < track->entry)
999 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1000 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1001 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
1002 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1003 track->flags & MOV_TRACK_CTTS)
1004 mov_write_ctts_tag(pb, track);
1005 mov_write_stsc_tag(pb, track);
1006 mov_write_stsz_tag(pb, track);
1007 mov_write_stco_tag(pb, track);
1008 return updateSize(pb, pos);
1011 static int mov_write_dinf_tag(AVIOContext *pb)
1013 int64_t pos = avio_tell(pb);
1014 avio_wb32(pb, 0); /* size */
1015 ffio_wfourcc(pb, "dinf");
1016 mov_write_dref_tag(pb);
1017 return updateSize(pb, pos);
1020 static int mov_write_nmhd_tag(AVIOContext *pb)
1023 ffio_wfourcc(pb, "nmhd");
1028 static int mov_write_gmhd_tag(AVIOContext *pb)
1030 avio_wb32(pb, 0x20); /* size */
1031 ffio_wfourcc(pb, "gmhd");
1032 avio_wb32(pb, 0x18); /* gmin size */
1033 ffio_wfourcc(pb, "gmin");/* generic media info */
1034 avio_wb32(pb, 0); /* version & flags */
1035 avio_wb16(pb, 0x40); /* graphics mode = */
1036 avio_wb16(pb, 0x8000); /* opColor (r?) */
1037 avio_wb16(pb, 0x8000); /* opColor (g?) */
1038 avio_wb16(pb, 0x8000); /* opColor (b?) */
1039 avio_wb16(pb, 0); /* balance */
1040 avio_wb16(pb, 0); /* reserved */
1044 static int mov_write_smhd_tag(AVIOContext *pb)
1046 avio_wb32(pb, 16); /* size */
1047 ffio_wfourcc(pb, "smhd");
1048 avio_wb32(pb, 0); /* version & flags */
1049 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1050 avio_wb16(pb, 0); /* reserved */
1054 static int mov_write_vmhd_tag(AVIOContext *pb)
1056 avio_wb32(pb, 0x14); /* size (always 0x14) */
1057 ffio_wfourcc(pb, "vmhd");
1058 avio_wb32(pb, 0x01); /* version & flags */
1059 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
1063 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
1065 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1066 int64_t pos = avio_tell(pb);
1068 if (!track) { /* no media --> data handler */
1071 descr = "DataHandler";
1073 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1074 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1076 descr = "VideoHandler";
1077 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1079 descr = "SoundHandler";
1080 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1081 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
1082 else hdlr_type = "text";
1083 descr = "SubtitleHandler";
1084 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1086 descr = "HintHandler";
1090 avio_wb32(pb, 0); /* size */
1091 ffio_wfourcc(pb, "hdlr");
1092 avio_wb32(pb, 0); /* Version & flags */
1093 avio_write(pb, hdlr, 4); /* handler */
1094 ffio_wfourcc(pb, hdlr_type); /* handler type */
1095 avio_wb32(pb ,0); /* reserved */
1096 avio_wb32(pb ,0); /* reserved */
1097 avio_wb32(pb ,0); /* reserved */
1098 if (!track || track->mode == MODE_MOV)
1099 avio_w8(pb, strlen(descr)); /* pascal string */
1100 avio_write(pb, descr, strlen(descr)); /* handler description */
1101 if (track && track->mode != MODE_MOV)
1102 avio_w8(pb, 0); /* c string */
1103 return updateSize(pb, pos);
1106 static int mov_write_hmhd_tag(AVIOContext *pb)
1108 /* This atom must be present, but leaving the values at zero
1109 * seems harmless. */
1110 avio_wb32(pb, 28); /* size */
1111 ffio_wfourcc(pb, "hmhd");
1112 avio_wb32(pb, 0); /* version, flags */
1113 avio_wb16(pb, 0); /* maxPDUsize */
1114 avio_wb16(pb, 0); /* avgPDUsize */
1115 avio_wb32(pb, 0); /* maxbitrate */
1116 avio_wb32(pb, 0); /* avgbitrate */
1117 avio_wb32(pb, 0); /* reserved */
1121 static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
1123 int64_t pos = avio_tell(pb);
1124 avio_wb32(pb, 0); /* size */
1125 ffio_wfourcc(pb, "minf");
1126 if(track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1127 mov_write_vmhd_tag(pb);
1128 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1129 mov_write_smhd_tag(pb);
1130 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1131 if (track->tag == MKTAG('t','e','x','t')) mov_write_gmhd_tag(pb);
1132 else mov_write_nmhd_tag(pb);
1133 } else if (track->tag == MKTAG('r','t','p',' ')) {
1134 mov_write_hmhd_tag(pb);
1136 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1137 mov_write_hdlr_tag(pb, NULL);
1138 mov_write_dinf_tag(pb);
1139 mov_write_stbl_tag(pb, track);
1140 return updateSize(pb, pos);
1143 static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track)
1145 int version = track->trackDuration < INT32_MAX ? 0 : 1;
1147 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
1148 ffio_wfourcc(pb, "mdhd");
1149 avio_w8(pb, version);
1150 avio_wb24(pb, 0); /* flags */
1152 avio_wb64(pb, track->time);
1153 avio_wb64(pb, track->time);
1155 avio_wb32(pb, track->time); /* creation time */
1156 avio_wb32(pb, track->time); /* modification time */
1158 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
1159 (version == 1) ? avio_wb64(pb, track->trackDuration) : avio_wb32(pb, track->trackDuration); /* duration */
1160 avio_wb16(pb, track->language); /* language */
1161 avio_wb16(pb, 0); /* reserved (quality) */
1163 if(version!=0 && track->mode == MODE_MOV){
1164 av_log(NULL, AV_LOG_ERROR,
1165 "FATAL error, file duration too long for timebase, this file will not be\n"
1166 "playable with quicktime. Choose a different timebase or a different\n"
1167 "container format\n");
1173 static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track)
1175 int64_t pos = avio_tell(pb);
1176 avio_wb32(pb, 0); /* size */
1177 ffio_wfourcc(pb, "mdia");
1178 mov_write_mdhd_tag(pb, track);
1179 mov_write_hdlr_tag(pb, track);
1180 mov_write_minf_tag(pb, track);
1181 return updateSize(pb, pos);
1184 static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1186 int64_t duration = av_rescale_rnd(track->trackDuration, MOV_TIMESCALE,
1187 track->timescale, AV_ROUND_UP);
1188 int version = duration < INT32_MAX ? 0 : 1;
1190 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
1191 ffio_wfourcc(pb, "tkhd");
1192 avio_w8(pb, version);
1193 avio_wb24(pb, 0xf); /* flags (track enabled) */
1195 avio_wb64(pb, track->time);
1196 avio_wb64(pb, track->time);
1198 avio_wb32(pb, track->time); /* creation time */
1199 avio_wb32(pb, track->time); /* modification time */
1201 avio_wb32(pb, track->trackID); /* track-id */
1202 avio_wb32(pb, 0); /* reserved */
1203 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
1205 avio_wb32(pb, 0); /* reserved */
1206 avio_wb32(pb, 0); /* reserved */
1207 avio_wb32(pb, 0x0); /* reserved (Layer & Alternate group) */
1208 /* Volume, only for audio */
1209 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1210 avio_wb16(pb, 0x0100);
1213 avio_wb16(pb, 0); /* reserved */
1215 /* Matrix structure */
1216 avio_wb32(pb, 0x00010000); /* reserved */
1217 avio_wb32(pb, 0x0); /* reserved */
1218 avio_wb32(pb, 0x0); /* reserved */
1219 avio_wb32(pb, 0x0); /* reserved */
1220 avio_wb32(pb, 0x00010000); /* reserved */
1221 avio_wb32(pb, 0x0); /* reserved */
1222 avio_wb32(pb, 0x0); /* reserved */
1223 avio_wb32(pb, 0x0); /* reserved */
1224 avio_wb32(pb, 0x40000000); /* reserved */
1226 /* Track width and height, for visual only */
1227 if(st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1228 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
1229 if(track->mode == MODE_MOV) {
1230 avio_wb32(pb, track->enc->width << 16);
1231 avio_wb32(pb, track->height << 16);
1233 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1234 if(!sample_aspect_ratio || track->height != track->enc->height)
1235 sample_aspect_ratio = 1;
1236 avio_wb32(pb, sample_aspect_ratio * track->enc->width*0x10000);
1237 avio_wb32(pb, track->height*0x10000);
1247 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
1249 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
1250 track->enc->sample_aspect_ratio.den);
1252 int64_t pos = avio_tell(pb);
1254 avio_wb32(pb, 0); /* size */
1255 ffio_wfourcc(pb, "tapt");
1258 ffio_wfourcc(pb, "clef");
1260 avio_wb32(pb, width << 16);
1261 avio_wb32(pb, track->enc->height << 16);
1264 ffio_wfourcc(pb, "enof");
1266 avio_wb32(pb, track->enc->width << 16);
1267 avio_wb32(pb, track->enc->height << 16);
1269 return updateSize(pb, pos);
1272 // This box seems important for the psp playback ... without it the movie seems to hang
1273 static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track)
1275 avio_wb32(pb, 0x24); /* size */
1276 ffio_wfourcc(pb, "edts");
1277 avio_wb32(pb, 0x1c); /* size */
1278 ffio_wfourcc(pb, "elst");
1282 /* duration ... doesn't seem to effect psp */
1283 avio_wb32(pb, av_rescale_rnd(track->trackDuration, MOV_TIMESCALE,
1284 track->timescale, AV_ROUND_UP));
1286 avio_wb32(pb, track->cluster[0].cts); /* first pts is cts since dts is 0 */
1287 avio_wb32(pb, 0x00010000);
1291 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
1293 avio_wb32(pb, 20); // size
1294 ffio_wfourcc(pb, "tref");
1295 avio_wb32(pb, 12); // size (subatom)
1296 avio_wl32(pb, track->tref_tag);
1297 avio_wb32(pb, track->tref_id);
1301 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1302 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
1304 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1305 ffio_wfourcc(pb, "uuid");
1306 ffio_wfourcc(pb, "USMT");
1307 avio_wb32(pb, 0x21d24fce);
1308 avio_wb32(pb, 0xbb88695c);
1309 avio_wb32(pb, 0xfac9c740);
1310 avio_wb32(pb, 0x1c); // another size here!
1311 ffio_wfourcc(pb, "MTDT");
1312 avio_wb32(pb, 0x00010012);
1313 avio_wb32(pb, 0x0a);
1314 avio_wb32(pb, 0x55c40000);
1320 static int mov_write_udta_sdp(AVIOContext *pb, AVCodecContext *ctx, int index)
1322 char buf[1000] = "";
1325 ff_sdp_write_media(buf, sizeof(buf), ctx, NULL, NULL, 0, 0);
1326 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", index);
1329 avio_wb32(pb, len + 24);
1330 ffio_wfourcc(pb, "udta");
1331 avio_wb32(pb, len + 16);
1332 ffio_wfourcc(pb, "hnti");
1333 avio_wb32(pb, len + 8);
1334 ffio_wfourcc(pb, "sdp ");
1335 avio_write(pb, buf, len);
1339 static int mov_write_trak_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1341 int64_t pos = avio_tell(pb);
1342 avio_wb32(pb, 0); /* size */
1343 ffio_wfourcc(pb, "trak");
1344 mov_write_tkhd_tag(pb, track, st);
1345 if (track->mode == MODE_PSP || track->flags & MOV_TRACK_CTTS)
1346 mov_write_edts_tag(pb, track); // PSP Movies require edts box
1347 if (track->tref_tag)
1348 mov_write_tref_tag(pb, track);
1349 mov_write_mdia_tag(pb, track);
1350 if (track->mode == MODE_PSP)
1351 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
1352 if (track->tag == MKTAG('r','t','p',' '))
1353 mov_write_udta_sdp(pb, track->rtp_ctx->streams[0]->codec, track->trackID);
1354 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && track->mode == MODE_MOV) {
1355 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1356 if (0.0 != sample_aspect_ratio && 1.0 != sample_aspect_ratio)
1357 mov_write_tapt_tag(pb, track);
1359 return updateSize(pb, pos);
1363 /* TODO: Not sorted out, but not necessary either */
1364 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
1366 avio_wb32(pb, 0x15); /* size */
1367 ffio_wfourcc(pb, "iods");
1368 avio_wb32(pb, 0); /* version & flags */
1369 avio_wb16(pb, 0x1007);
1371 avio_wb16(pb, 0x4fff);
1372 avio_wb16(pb, 0xfffe);
1373 avio_wb16(pb, 0x01ff);
1378 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
1380 int maxTrackID = 1, i;
1381 int64_t maxTrackLenTemp, maxTrackLen = 0;
1384 for (i=0; i<mov->nb_streams; i++) {
1385 if(mov->tracks[i].entry > 0) {
1386 maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration,
1388 mov->tracks[i].timescale,
1390 if(maxTrackLen < maxTrackLenTemp)
1391 maxTrackLen = maxTrackLenTemp;
1392 if(maxTrackID < mov->tracks[i].trackID)
1393 maxTrackID = mov->tracks[i].trackID;
1397 version = maxTrackLen < UINT32_MAX ? 0 : 1;
1398 (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
1399 ffio_wfourcc(pb, "mvhd");
1400 avio_w8(pb, version);
1401 avio_wb24(pb, 0); /* flags */
1403 avio_wb64(pb, mov->time);
1404 avio_wb64(pb, mov->time);
1406 avio_wb32(pb, mov->time); /* creation time */
1407 avio_wb32(pb, mov->time); /* modification time */
1409 avio_wb32(pb, MOV_TIMESCALE);
1410 (version == 1) ? avio_wb64(pb, maxTrackLen) : avio_wb32(pb, maxTrackLen); /* duration of longest track */
1412 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1413 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1414 avio_wb16(pb, 0); /* reserved */
1415 avio_wb32(pb, 0); /* reserved */
1416 avio_wb32(pb, 0); /* reserved */
1418 /* Matrix structure */
1419 avio_wb32(pb, 0x00010000); /* reserved */
1420 avio_wb32(pb, 0x0); /* reserved */
1421 avio_wb32(pb, 0x0); /* reserved */
1422 avio_wb32(pb, 0x0); /* reserved */
1423 avio_wb32(pb, 0x00010000); /* reserved */
1424 avio_wb32(pb, 0x0); /* reserved */
1425 avio_wb32(pb, 0x0); /* reserved */
1426 avio_wb32(pb, 0x0); /* reserved */
1427 avio_wb32(pb, 0x40000000); /* reserved */
1429 avio_wb32(pb, 0); /* reserved (preview time) */
1430 avio_wb32(pb, 0); /* reserved (preview duration) */
1431 avio_wb32(pb, 0); /* reserved (poster time) */
1432 avio_wb32(pb, 0); /* reserved (selection time) */
1433 avio_wb32(pb, 0); /* reserved (selection duration) */
1434 avio_wb32(pb, 0); /* reserved (current time) */
1435 avio_wb32(pb, maxTrackID+1); /* Next track id */
1439 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
1442 avio_wb32(pb, 33); /* size */
1443 ffio_wfourcc(pb, "hdlr");
1446 ffio_wfourcc(pb, "mdir");
1447 ffio_wfourcc(pb, "appl");
1454 /* helper function to write a data tag with the specified string as data */
1455 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
1458 int size = 16 + strlen(data);
1459 avio_wb32(pb, size); /* size */
1460 ffio_wfourcc(pb, "data");
1463 avio_write(pb, data, strlen(data));
1467 lang = ff_mov_iso639_to_lang("und", 1);
1468 avio_wb16(pb, strlen(data)); /* string length */
1469 avio_wb16(pb, lang);
1470 avio_write(pb, data, strlen(data));
1471 return strlen(data) + 4;
1475 static int mov_write_string_tag(AVIOContext *pb, const char *name, const char *value, int lang, int long_style){
1477 if (value && value[0]) {
1478 int64_t pos = avio_tell(pb);
1479 avio_wb32(pb, 0); /* size */
1480 ffio_wfourcc(pb, name);
1481 mov_write_string_data_tag(pb, value, lang, long_style);
1482 size= updateSize(pb, pos);
1487 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
1488 const char *name, const char *tag,
1491 int l, lang = 0, len, len2;
1492 AVMetadataTag *t, *t2 = NULL;
1495 if (!(t = av_metadata_get(s->metadata, tag, NULL, 0)))
1498 len = strlen(t->key);
1499 snprintf(tag2, sizeof(tag2), "%s-", tag);
1500 while ((t2 = av_metadata_get(s->metadata, tag2, t2, AV_METADATA_IGNORE_SUFFIX))) {
1501 len2 = strlen(t2->key);
1502 if (len2 == len+4 && !strcmp(t->value, t2->value)
1503 && (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 1)) >= 0) {
1508 return mov_write_string_tag(pb, name, t->value, lang, long_style);
1511 /* iTunes track number */
1512 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
1515 AVMetadataTag *t = av_metadata_get(s->metadata, "track", NULL, 0);
1516 int size = 0, track = t ? atoi(t->value) : 0;
1518 avio_wb32(pb, 32); /* size */
1519 ffio_wfourcc(pb, "trkn");
1520 avio_wb32(pb, 24); /* size */
1521 ffio_wfourcc(pb, "data");
1522 avio_wb32(pb, 0); // 8 bytes empty
1524 avio_wb16(pb, 0); // empty
1525 avio_wb16(pb, track); // track number
1526 avio_wb16(pb, 0); // total track number
1527 avio_wb16(pb, 0); // empty
1533 /* iTunes meta data list */
1534 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
1537 int64_t pos = avio_tell(pb);
1538 avio_wb32(pb, 0); /* size */
1539 ffio_wfourcc(pb, "ilst");
1540 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
1541 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
1542 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
1543 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
1544 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
1545 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
1546 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
1547 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
1548 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
1549 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
1550 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
1551 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
1552 mov_write_string_metadata(s, pb, "desc", "description",1);
1553 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
1554 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
1555 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
1556 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
1557 mov_write_trkn_tag(pb, mov, s);
1558 return updateSize(pb, pos);
1561 /* iTunes meta data tag */
1562 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
1566 int64_t pos = avio_tell(pb);
1567 avio_wb32(pb, 0); /* size */
1568 ffio_wfourcc(pb, "meta");
1570 mov_write_itunes_hdlr_tag(pb, mov, s);
1571 mov_write_ilst_tag(pb, mov, s);
1572 size = updateSize(pb, pos);
1576 static int utf8len(const uint8_t *b)
1581 GET_UTF8(val, *b++, return -1;)
1587 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
1591 GET_UTF8(val, *b++, return -1;)
1594 avio_wb16(pb, 0x00);
1598 static uint16_t language_code(const char *str)
1600 return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
1603 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
1604 const char *tag, const char *str)
1606 int64_t pos = avio_tell(pb);
1607 AVMetadataTag *t = av_metadata_get(s->metadata, str, NULL, 0);
1608 if (!t || !utf8len(t->value))
1610 avio_wb32(pb, 0); /* size */
1611 ffio_wfourcc(pb, tag); /* type */
1612 avio_wb32(pb, 0); /* version + flags */
1613 if (!strcmp(tag, "yrrc"))
1614 avio_wb16(pb, atoi(t->value));
1616 avio_wb16(pb, language_code("eng")); /* language */
1617 avio_write(pb, t->value, strlen(t->value)+1); /* UTF8 string value */
1618 if (!strcmp(tag, "albm") &&
1619 (t = av_metadata_get(s->metadata, "track", NULL, 0)))
1620 avio_w8(pb, atoi(t->value));
1622 return updateSize(pb, pos);
1625 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
1627 int64_t pos = avio_tell(pb);
1628 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
1630 avio_wb32(pb, 0); // size
1631 ffio_wfourcc(pb, "chpl");
1632 avio_wb32(pb, 0x01000000); // version + flags
1633 avio_wb32(pb, 0); // unknown
1634 avio_w8(pb, nb_chapters);
1636 for (i = 0; i < nb_chapters; i++) {
1637 AVChapter *c = s->chapters[i];
1639 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
1641 if ((t = av_metadata_get(c->metadata, "title", NULL, 0))) {
1642 int len = FFMIN(strlen(t->value), 255);
1644 avio_write(pb, t->value, len);
1648 return updateSize(pb, pos);
1651 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
1654 AVIOContext *pb_buf;
1658 for (i = 0; i < s->nb_streams; i++)
1659 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
1663 ret = avio_open_dyn_buf(&pb_buf);
1667 if (mov->mode & MODE_3GP) {
1668 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
1669 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
1670 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
1671 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
1672 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
1673 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
1674 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
1675 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
1676 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
1677 mov_write_string_metadata(s, pb_buf, "\251ART", "artist" , 0);
1678 mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0);
1679 mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0);
1680 mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0);
1681 mov_write_string_metadata(s, pb_buf, "\251day", "date" , 0);
1682 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder" , 0);
1683 mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0);
1684 mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0);
1685 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0);
1687 /* iTunes meta data */
1688 mov_write_meta_tag(pb_buf, mov, s);
1692 mov_write_chpl_tag(pb_buf, s);
1694 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
1695 avio_wb32(pb, size+8);
1696 ffio_wfourcc(pb, "udta");
1697 avio_write(pb, buf, size);
1704 static void mov_write_psp_udta_tag(AVIOContext *pb,
1705 const char *str, const char *lang, int type)
1707 int len = utf8len(str)+1;
1710 avio_wb16(pb, len*2+10); /* size */
1711 avio_wb32(pb, type); /* type */
1712 avio_wb16(pb, language_code(lang)); /* language */
1713 avio_wb16(pb, 0x01); /* ? */
1714 ascii_to_wc(pb, str);
1717 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
1719 AVMetadataTag *title = av_metadata_get(s->metadata, "title", NULL, 0);
1723 pos = avio_tell(pb);
1724 avio_wb32(pb, 0); /* size placeholder*/
1725 ffio_wfourcc(pb, "uuid");
1726 ffio_wfourcc(pb, "USMT");
1727 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
1728 avio_wb32(pb, 0xbb88695c);
1729 avio_wb32(pb, 0xfac9c740);
1731 pos2 = avio_tell(pb);
1732 avio_wb32(pb, 0); /* size placeholder*/
1733 ffio_wfourcc(pb, "MTDT");
1737 avio_wb16(pb, 0x0C); /* size */
1738 avio_wb32(pb, 0x0B); /* type */
1739 avio_wb16(pb, language_code("und")); /* language */
1740 avio_wb16(pb, 0x0); /* ? */
1741 avio_wb16(pb, 0x021C); /* data */
1743 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
1744 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
1745 // 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);
1746 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
1748 updateSize(pb, pos2);
1749 return updateSize(pb, pos);
1755 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
1759 int64_t pos = avio_tell(pb);
1760 avio_wb32(pb, 0); /* size placeholder*/
1761 ffio_wfourcc(pb, "moov");
1763 for (i=0; i<mov->nb_streams; i++) {
1764 if(mov->tracks[i].entry <= 0) continue;
1766 mov->tracks[i].time = mov->time;
1767 mov->tracks[i].trackID = i+1;
1770 if (mov->chapter_track)
1771 for (i=0; i<s->nb_streams; i++) {
1772 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
1773 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].trackID;
1775 for (i = 0; i < mov->nb_streams; i++) {
1776 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
1777 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
1778 mov->tracks[i].tref_id =
1779 mov->tracks[mov->tracks[i].src_track].trackID;
1783 mov_write_mvhd_tag(pb, mov);
1784 //mov_write_iods_tag(pb, mov);
1785 for (i=0; i<mov->nb_streams; i++) {
1786 if(mov->tracks[i].entry > 0) {
1787 mov_write_trak_tag(pb, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
1791 if (mov->mode == MODE_PSP)
1792 mov_write_uuidusmt_tag(pb, s);
1794 mov_write_udta_tag(pb, mov, s);
1796 return updateSize(pb, pos);
1799 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
1801 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
1802 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
1804 mov->mdat_pos = avio_tell(pb);
1805 avio_wb32(pb, 0); /* size placeholder*/
1806 ffio_wfourcc(pb, "mdat");
1810 /* TODO: This needs to be more general */
1811 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
1813 MOVMuxContext *mov = s->priv_data;
1814 int64_t pos = avio_tell(pb);
1815 int has_h264 = 0, has_video = 0;
1819 for (i = 0; i < s->nb_streams; i++) {
1820 AVStream *st = s->streams[i];
1821 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
1823 if (st->codec->codec_id == CODEC_ID_H264)
1827 avio_wb32(pb, 0); /* size */
1828 ffio_wfourcc(pb, "ftyp");
1830 if (mov->mode == MODE_3GP) {
1831 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
1832 minor = has_h264 ? 0x100 : 0x200;
1833 } else if (mov->mode & MODE_3G2) {
1834 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
1835 minor = has_h264 ? 0x20000 : 0x10000;
1836 }else if (mov->mode == MODE_PSP)
1837 ffio_wfourcc(pb, "MSNV");
1838 else if (mov->mode == MODE_MP4)
1839 ffio_wfourcc(pb, "isom");
1840 else if (mov->mode == MODE_IPOD)
1841 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
1843 ffio_wfourcc(pb, "qt ");
1845 avio_wb32(pb, minor);
1847 if(mov->mode == MODE_MOV)
1848 ffio_wfourcc(pb, "qt ");
1850 ffio_wfourcc(pb, "isom");
1851 ffio_wfourcc(pb, "iso2");
1853 ffio_wfourcc(pb, "avc1");
1856 if (mov->mode == MODE_3GP)
1857 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
1858 else if (mov->mode & MODE_3G2)
1859 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
1860 else if (mov->mode == MODE_PSP)
1861 ffio_wfourcc(pb, "MSNV");
1862 else if (mov->mode == MODE_MP4)
1863 ffio_wfourcc(pb, "mp41");
1864 return updateSize(pb, pos);
1867 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
1869 AVCodecContext *VideoCodec = s->streams[0]->codec;
1870 AVCodecContext *AudioCodec = s->streams[1]->codec;
1871 int AudioRate = AudioCodec->sample_rate;
1872 int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num);
1873 int audio_kbitrate= AudioCodec->bit_rate / 1000;
1874 int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate);
1876 avio_wb32(pb, 0x94); /* size */
1877 ffio_wfourcc(pb, "uuid");
1878 ffio_wfourcc(pb, "PROF");
1880 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
1881 avio_wb32(pb, 0xbb88695c);
1882 avio_wb32(pb, 0xfac9c740);
1884 avio_wb32(pb, 0x0); /* ? */
1885 avio_wb32(pb, 0x3); /* 3 sections ? */
1887 avio_wb32(pb, 0x14); /* size */
1888 ffio_wfourcc(pb, "FPRF");
1889 avio_wb32(pb, 0x0); /* ? */
1890 avio_wb32(pb, 0x0); /* ? */
1891 avio_wb32(pb, 0x0); /* ? */
1893 avio_wb32(pb, 0x2c); /* size */
1894 ffio_wfourcc(pb, "APRF");/* audio */
1896 avio_wb32(pb, 0x2); /* TrackID */
1897 ffio_wfourcc(pb, "mp4a");
1898 avio_wb32(pb, 0x20f);
1900 avio_wb32(pb, audio_kbitrate);
1901 avio_wb32(pb, audio_kbitrate);
1902 avio_wb32(pb, AudioRate);
1903 avio_wb32(pb, AudioCodec->channels);
1905 avio_wb32(pb, 0x34); /* size */
1906 ffio_wfourcc(pb, "VPRF"); /* video */
1908 avio_wb32(pb, 0x1); /* TrackID */
1909 if (VideoCodec->codec_id == CODEC_ID_H264) {
1910 ffio_wfourcc(pb, "avc1");
1911 avio_wb16(pb, 0x014D);
1912 avio_wb16(pb, 0x0015);
1914 ffio_wfourcc(pb, "mp4v");
1915 avio_wb16(pb, 0x0000);
1916 avio_wb16(pb, 0x0103);
1919 avio_wb32(pb, video_kbitrate);
1920 avio_wb32(pb, video_kbitrate);
1921 avio_wb32(pb, FrameRate);
1922 avio_wb32(pb, FrameRate);
1923 avio_wb16(pb, VideoCodec->width);
1924 avio_wb16(pb, VideoCodec->height);
1925 avio_wb32(pb, 0x010001); /* ? */
1928 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
1931 int i, closed_gop = 0;
1933 for (i = 0; i < pkt->size - 4; i++) {
1934 c = (c<<8) + pkt->data[i];
1935 if (c == 0x1b8) { // gop
1936 closed_gop = pkt->data[i+4]>>6 & 0x01;
1937 } else if (c == 0x100) { // pic
1938 int temp_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
1939 if (!temp_ref || closed_gop) // I picture is not reordered
1940 *flags = MOV_SYNC_SAMPLE;
1942 *flags = MOV_PARTIAL_SYNC_SAMPLE;
1949 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
1951 MOVMuxContext *mov = s->priv_data;
1952 AVIOContext *pb = s->pb;
1953 MOVTrack *trk = &mov->tracks[pkt->stream_index];
1954 AVCodecContext *enc = trk->enc;
1955 unsigned int samplesInChunk = 0;
1956 int size= pkt->size;
1958 if (!s->pb->seekable) return 0; /* Can't handle that */
1959 if (!size) return 0; /* Discard 0 sized packets */
1961 if (enc->codec_id == CODEC_ID_AMR_NB) {
1962 /* We must find out how many AMR blocks there are in one packet */
1963 static uint16_t packed_size[16] =
1964 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 0};
1967 while (len < size && samplesInChunk < 100) {
1968 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
1971 if(samplesInChunk > 1){
1972 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
1975 } else if (enc->codec_id == CODEC_ID_ADPCM_MS ||
1976 enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
1977 samplesInChunk = enc->frame_size;
1978 } else if (trk->sampleSize)
1979 samplesInChunk = size/trk->sampleSize;
1983 /* copy extradata if it exists */
1984 if (trk->vosLen == 0 && enc->extradata_size > 0) {
1985 trk->vosLen = enc->extradata_size;
1986 trk->vosData = av_malloc(trk->vosLen);
1987 memcpy(trk->vosData, enc->extradata, trk->vosLen);
1990 if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) {
1991 /* from x264 or from bytestream h264 */
1992 /* nal reformating needed */
1993 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
1995 avio_write(pb, pkt->data, size);
1998 if ((enc->codec_id == CODEC_ID_DNXHD ||
1999 enc->codec_id == CODEC_ID_AC3) && !trk->vosLen) {
2000 /* copy frame to create needed atoms */
2002 trk->vosData = av_malloc(size);
2004 return AVERROR(ENOMEM);
2005 memcpy(trk->vosData, pkt->data, size);
2008 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
2009 trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster));
2014 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
2015 trk->cluster[trk->entry].samplesInChunk = samplesInChunk;
2016 trk->cluster[trk->entry].size = size;
2017 trk->cluster[trk->entry].entries = samplesInChunk;
2018 trk->cluster[trk->entry].dts = pkt->dts;
2019 trk->trackDuration = pkt->dts - trk->cluster[0].dts + pkt->duration;
2021 if (pkt->pts == AV_NOPTS_VALUE) {
2022 av_log(s, AV_LOG_WARNING, "pts has no value\n");
2023 pkt->pts = pkt->dts;
2025 if (pkt->dts != pkt->pts)
2026 trk->flags |= MOV_TRACK_CTTS;
2027 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
2028 trk->cluster[trk->entry].flags = 0;
2029 if (pkt->flags & AV_PKT_FLAG_KEY) {
2030 if (mov->mode == MODE_MOV && enc->codec_id == CODEC_ID_MPEG2VIDEO &&
2031 trk->entry > 0) { // force sync sample for the first key frame
2032 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
2033 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
2034 trk->flags |= MOV_TRACK_STPS;
2036 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
2038 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
2039 trk->hasKeyframes++;
2042 trk->sampleCount += samplesInChunk;
2043 mov->mdat_size += size;
2047 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
2048 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry);
2052 // QuickTime chapters involve an additional text track with the chapter names
2053 // as samples, and a tref pointing from the other tracks to the chapter one.
2054 static void mov_create_chapter_track(AVFormatContext *s, int tracknum)
2056 MOVMuxContext *mov = s->priv_data;
2057 MOVTrack *track = &mov->tracks[tracknum];
2058 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
2061 track->mode = mov->mode;
2062 track->tag = MKTAG('t','e','x','t');
2063 track->timescale = MOV_TIMESCALE;
2064 track->enc = avcodec_alloc_context();
2065 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
2067 for (i = 0; i < s->nb_chapters; i++) {
2068 AVChapter *c = s->chapters[i];
2071 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
2072 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
2073 pkt.duration = end - pkt.dts;
2075 if ((t = av_metadata_get(c->metadata, "title", NULL, 0))) {
2076 len = strlen(t->value);
2078 pkt.data = av_malloc(pkt.size);
2079 AV_WB16(pkt.data, len);
2080 memcpy(pkt.data+2, t->value, len);
2081 ff_mov_write_packet(s, &pkt);
2082 av_freep(&pkt.data);
2087 static int mov_write_header(AVFormatContext *s)
2089 AVIOContext *pb = s->pb;
2090 MOVMuxContext *mov = s->priv_data;
2091 int i, hint_track = 0;
2093 if (!s->pb->seekable) {
2094 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
2098 /* Default mode == MP4 */
2099 mov->mode = MODE_MP4;
2101 if (s->oformat != NULL) {
2102 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
2103 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
2104 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
2105 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
2106 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
2108 mov_write_ftyp_tag(pb,s);
2109 if (mov->mode == MODE_PSP) {
2110 if (s->nb_streams != 2) {
2111 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
2114 mov_write_uuidprof_tag(pb,s);
2118 mov->nb_streams = s->nb_streams;
2119 if (mov->mode & (MODE_MOV|MODE_IPOD) && s->nb_chapters)
2120 mov->chapter_track = mov->nb_streams++;
2122 if (s->flags & AVFMT_FLAG_RTP_HINT) {
2123 /* Add hint tracks for each audio and video stream */
2124 hint_track = mov->nb_streams;
2125 for (i = 0; i < s->nb_streams; i++) {
2126 AVStream *st = s->streams[i];
2127 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2128 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
2134 mov->tracks = av_mallocz(mov->nb_streams*sizeof(*mov->tracks));
2136 return AVERROR(ENOMEM);
2138 for(i=0; i<s->nb_streams; i++){
2139 AVStream *st= s->streams[i];
2140 MOVTrack *track= &mov->tracks[i];
2141 AVMetadataTag *lang = av_metadata_get(st->metadata, "language", NULL,0);
2143 track->enc = st->codec;
2144 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
2145 if (track->language < 0)
2146 track->language = 0;
2147 track->mode = mov->mode;
2148 track->tag = mov_find_codec_tag(s, track);
2150 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
2151 "codec not currently supported in container\n", i);
2154 /* If hinting of this track is enabled by a later hint track,
2155 * this is updated. */
2156 track->hint_track = -1;
2157 if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
2158 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
2159 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
2160 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
2161 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
2162 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
2165 track->height = track->tag>>24 == 'n' ? 486 : 576;
2167 track->timescale = st->codec->time_base.den;
2168 if (track->mode == MODE_MOV && track->timescale > 100000)
2169 av_log(s, AV_LOG_WARNING,
2170 "WARNING codec timebase is very high. If duration is too long,\n"
2171 "file may not be playable by quicktime. Specify a shorter timebase\n"
2172 "or choose different container.\n");
2173 }else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
2174 track->timescale = st->codec->sample_rate;
2175 if(!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
2176 av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
2178 }else if(st->codec->codec_id == CODEC_ID_ADPCM_MS ||
2179 st->codec->codec_id == CODEC_ID_ADPCM_IMA_WAV){
2180 if (!st->codec->block_align) {
2181 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
2184 track->sampleSize = st->codec->block_align;
2185 }else if(st->codec->frame_size > 1){ /* assume compressed audio */
2186 track->audio_vbr = 1;
2188 st->codec->frame_size = 1;
2189 track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
2191 if (track->mode != MODE_MOV) {
2192 if (track->timescale > UINT16_MAX) {
2193 av_log(s, AV_LOG_ERROR, "track %d: output format does not support "
2194 "sample rate %dhz\n", i, track->timescale);
2197 if (track->enc->codec_id == CODEC_ID_MP3 && track->timescale < 16000) {
2198 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
2199 i, track->enc->sample_rate);
2203 }else if(st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE){
2204 track->timescale = st->codec->time_base.den;
2207 track->height = st->codec->height;
2209 av_set_pts_info(st, 64, 1, track->timescale);
2212 mov_write_mdat_tag(pb, mov);
2213 mov->time = s->timestamp + 0x7C25B080; //1970 based -> 1904 based
2215 if (mov->chapter_track)
2216 mov_create_chapter_track(s, mov->chapter_track);
2218 if (s->flags & AVFMT_FLAG_RTP_HINT) {
2219 /* Initialize the hint tracks for each audio and video stream */
2220 for (i = 0; i < s->nb_streams; i++) {
2221 AVStream *st = s->streams[i];
2222 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2223 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
2224 ff_mov_init_hinting(s, hint_track, i);
2234 av_freep(&mov->tracks);
2238 static int mov_write_trailer(AVFormatContext *s)
2240 MOVMuxContext *mov = s->priv_data;
2241 AVIOContext *pb = s->pb;
2245 int64_t moov_pos = avio_tell(pb);
2247 /* Write size of mdat tag */
2248 if (mov->mdat_size+8 <= UINT32_MAX) {
2249 avio_seek(pb, mov->mdat_pos, SEEK_SET);
2250 avio_wb32(pb, mov->mdat_size+8);
2252 /* overwrite 'wide' placeholder atom */
2253 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
2254 avio_wb32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */
2255 ffio_wfourcc(pb, "mdat");
2256 avio_wb64(pb, mov->mdat_size+16);
2258 avio_seek(pb, moov_pos, SEEK_SET);
2260 mov_write_moov_tag(pb, mov, s);
2262 if (mov->chapter_track)
2263 av_freep(&mov->tracks[mov->chapter_track].enc);
2265 for (i=0; i<mov->nb_streams; i++) {
2266 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
2267 ff_mov_close_hinting(&mov->tracks[i]);
2268 av_freep(&mov->tracks[i].cluster);
2270 if(mov->tracks[i].vosLen) av_free(mov->tracks[i].vosData);
2276 av_freep(&mov->tracks);
2281 #if CONFIG_MOV_MUXER
2282 AVOutputFormat ff_mov_muxer = {
2284 NULL_IF_CONFIG_SMALL("MOV format"),
2287 sizeof(MOVMuxContext),
2291 ff_mov_write_packet,
2293 .flags = AVFMT_GLOBALHEADER,
2294 .codec_tag = (const AVCodecTag* const []){codec_movvideo_tags, codec_movaudio_tags, 0},
2297 #if CONFIG_TGP_MUXER
2298 AVOutputFormat ff_tgp_muxer = {
2300 NULL_IF_CONFIG_SMALL("3GP format"),
2303 sizeof(MOVMuxContext),
2307 ff_mov_write_packet,
2309 .flags = AVFMT_GLOBALHEADER,
2310 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
2313 #if CONFIG_MP4_MUXER
2314 AVOutputFormat ff_mp4_muxer = {
2316 NULL_IF_CONFIG_SMALL("MP4 format"),
2319 sizeof(MOVMuxContext),
2323 ff_mov_write_packet,
2325 .flags = AVFMT_GLOBALHEADER,
2326 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
2329 #if CONFIG_PSP_MUXER
2330 AVOutputFormat ff_psp_muxer = {
2332 NULL_IF_CONFIG_SMALL("PSP MP4 format"),
2335 sizeof(MOVMuxContext),
2339 ff_mov_write_packet,
2341 .flags = AVFMT_GLOBALHEADER,
2342 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
2345 #if CONFIG_TG2_MUXER
2346 AVOutputFormat ff_tg2_muxer = {
2348 NULL_IF_CONFIG_SMALL("3GP2 format"),
2351 sizeof(MOVMuxContext),
2355 ff_mov_write_packet,
2357 .flags = AVFMT_GLOBALHEADER,
2358 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
2361 #if CONFIG_IPOD_MUXER
2362 AVOutputFormat ff_ipod_muxer = {
2364 NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"),
2367 sizeof(MOVMuxContext),
2371 ff_mov_write_packet,
2373 .flags = AVFMT_GLOBALHEADER,
2374 .codec_tag = (const AVCodecTag* const []){codec_ipod_tags, 0},