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"
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 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
95 avio_wb32(pb, sSize); // sample size
96 avio_wb32(pb, entries); // sample count
99 avio_wb32(pb, 0); // sample size
100 avio_wb32(pb, entries); // sample count
101 for (i=0; i<track->entry; i++) {
102 for (j=0; j<track->cluster[i].entries; j++) {
103 avio_wb32(pb, track->cluster[i].size /
104 track->cluster[i].entries);
108 return updateSize(pb, pos);
111 /* Sample to chunk atom */
112 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
114 int index = 0, oldval = -1, i;
115 int64_t entryPos, curpos;
117 int64_t pos = avio_tell(pb);
118 avio_wb32(pb, 0); /* size */
119 ffio_wfourcc(pb, "stsc");
120 avio_wb32(pb, 0); // version & flags
121 entryPos = avio_tell(pb);
122 avio_wb32(pb, track->entry); // entry count
123 for (i=0; i<track->entry; i++) {
124 if(oldval != track->cluster[i].samplesInChunk)
126 avio_wb32(pb, i+1); // first chunk
127 avio_wb32(pb, track->cluster[i].samplesInChunk); // samples per chunk
128 avio_wb32(pb, 0x1); // sample description index
129 oldval = track->cluster[i].samplesInChunk;
133 curpos = avio_tell(pb);
134 avio_seek(pb, entryPos, SEEK_SET);
135 avio_wb32(pb, index); // rewrite size
136 avio_seek(pb, curpos, SEEK_SET);
138 return updateSize(pb, pos);
141 /* Sync sample atom */
142 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
144 int64_t curpos, entryPos;
146 int64_t pos = avio_tell(pb);
147 avio_wb32(pb, 0); // size
148 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
149 avio_wb32(pb, 0); // version & flags
150 entryPos = avio_tell(pb);
151 avio_wb32(pb, track->entry); // entry count
152 for (i=0; i<track->entry; i++) {
153 if (track->cluster[i].flags & flag) {
158 curpos = avio_tell(pb);
159 avio_seek(pb, entryPos, SEEK_SET);
160 avio_wb32(pb, index); // rewrite size
161 avio_seek(pb, curpos, SEEK_SET);
162 return updateSize(pb, pos);
165 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
167 avio_wb32(pb, 0x11); /* size */
168 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
169 else ffio_wfourcc(pb, "damr");
170 ffio_wfourcc(pb, "FFMP");
171 avio_w8(pb, 0); /* decoder version */
173 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
174 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
175 avio_w8(pb, 0x01); /* Frames per sample */
179 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
184 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
186 if (track->vosLen < 7)
190 ffio_wfourcc(pb, "dac3");
192 init_get_bits(&gbc, track->vosData+4, track->vosLen-4);
193 fscod = get_bits(&gbc, 2);
194 frmsizecod = get_bits(&gbc, 6);
195 bsid = get_bits(&gbc, 5);
196 bsmod = get_bits(&gbc, 3);
197 acmod = get_bits(&gbc, 3);
199 skip_bits(&gbc, 2); // dsurmod
201 if ((acmod & 1) && acmod != 1)
202 skip_bits(&gbc, 2); // cmixlev
204 skip_bits(&gbc, 2); // surmixlev
206 lfeon = get_bits1(&gbc);
208 init_put_bits(&pbc, buf, sizeof(buf));
209 put_bits(&pbc, 2, fscod);
210 put_bits(&pbc, 5, bsid);
211 put_bits(&pbc, 3, bsmod);
212 put_bits(&pbc, 3, acmod);
213 put_bits(&pbc, 1, lfeon);
214 put_bits(&pbc, 5, frmsizecod>>1); // bit_rate_code
215 put_bits(&pbc, 5, 0); // reserved
217 flush_put_bits(&pbc);
218 avio_write(pb, buf, sizeof(buf));
224 * This function writes extradata "as is".
225 * Extradata must be formated like a valid atom (with size and tag)
227 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
229 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
230 return track->enc->extradata_size;
233 static int mov_write_enda_tag(AVIOContext *pb)
236 ffio_wfourcc(pb, "enda");
237 avio_wb16(pb, 1); /* little endian */
241 static void putDescr(AVIOContext *pb, int tag, unsigned int size)
246 avio_w8(pb, (size>>(7*i)) | 0x80);
247 avio_w8(pb, size & 0x7F);
250 static unsigned compute_avg_bitrate(MOVTrack *track)
254 for (i = 0; i < track->entry; i++)
255 size += track->cluster[i].size;
256 return size * 8 * track->timescale / track->trackDuration;
259 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
261 int64_t pos = avio_tell(pb);
262 int decoderSpecificInfoLen = track->vosLen ? 5+track->vosLen : 0;
263 unsigned avg_bitrate;
265 avio_wb32(pb, 0); // size
266 ffio_wfourcc(pb, "esds");
267 avio_wb32(pb, 0); // Version
270 putDescr(pb, 0x03, 3 + 5+13 + decoderSpecificInfoLen + 5+1);
271 avio_wb16(pb, track->trackID);
272 avio_w8(pb, 0x00); // flags (= no flags)
274 // DecoderConfig descriptor
275 putDescr(pb, 0x04, 13 + decoderSpecificInfoLen);
277 // Object type indication
278 if ((track->enc->codec_id == CODEC_ID_MP2 ||
279 track->enc->codec_id == CODEC_ID_MP3) &&
280 track->enc->sample_rate > 24000)
281 avio_w8(pb, 0x6B); // 11172-3
283 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
285 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
286 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
287 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
288 avio_w8(pb, 0x15); // flags (= Audiostream)
290 avio_w8(pb, 0x11); // flags (= Visualstream)
292 avio_w8(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits)
293 avio_wb16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB
295 avg_bitrate = compute_avg_bitrate(track);
296 // maxbitrate (FIXME should be max rate in any 1 sec window)
297 avio_wb32(pb, FFMAX3(track->enc->bit_rate, track->enc->rc_max_rate, avg_bitrate));
298 avio_wb32(pb, avg_bitrate);
301 // DecoderSpecific info descriptor
302 putDescr(pb, 0x05, track->vosLen);
303 avio_write(pb, track->vosData, track->vosLen);
307 putDescr(pb, 0x06, 1);
309 return updateSize(pb, pos);
312 static int mov_pcm_le_gt16(enum CodecID codec_id)
314 return codec_id == CODEC_ID_PCM_S24LE ||
315 codec_id == CODEC_ID_PCM_S32LE ||
316 codec_id == CODEC_ID_PCM_F32LE ||
317 codec_id == CODEC_ID_PCM_F64LE;
320 static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
322 int64_t pos = avio_tell(pb);
324 avio_wl32(pb, track->tag); // store it byteswapped
325 track->enc->codec_tag = av_bswap16(track->tag >> 16);
326 ff_put_wav_header(pb, track->enc);
327 return updateSize(pb, pos);
330 static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
332 int64_t pos = avio_tell(pb);
334 avio_wb32(pb, 0); /* size */
335 ffio_wfourcc(pb, "wave");
337 avio_wb32(pb, 12); /* size */
338 ffio_wfourcc(pb, "frma");
339 avio_wl32(pb, track->tag);
341 if (track->enc->codec_id == CODEC_ID_AAC) {
342 /* useless atom needed by mplayer, ipod, not needed by quicktime */
343 avio_wb32(pb, 12); /* size */
344 ffio_wfourcc(pb, "mp4a");
346 mov_write_esds_tag(pb, track);
347 } else if (mov_pcm_le_gt16(track->enc->codec_id)) {
348 mov_write_enda_tag(pb);
349 } else if (track->enc->codec_id == CODEC_ID_AMR_NB) {
350 mov_write_amr_tag(pb, track);
351 } else if (track->enc->codec_id == CODEC_ID_AC3) {
352 mov_write_ac3_tag(pb, track);
353 } else if (track->enc->codec_id == CODEC_ID_ALAC) {
354 mov_write_extradata_tag(pb, track);
355 } else if (track->enc->codec_id == CODEC_ID_ADPCM_MS ||
356 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
357 mov_write_ms_tag(pb, track);
360 avio_wb32(pb, 8); /* size */
361 avio_wb32(pb, 0); /* null tag */
363 return updateSize(pb, pos);
366 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
368 avio_wb32(pb, track->vosLen+8);
369 ffio_wfourcc(pb, "glbl");
370 avio_write(pb, track->vosData, track->vosLen);
371 return 8+track->vosLen;
375 * Compute flags for 'lpcm' tag.
376 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
378 static int mov_get_lpcm_flags(enum CodecID codec_id)
381 case CODEC_ID_PCM_F32BE:
382 case CODEC_ID_PCM_F64BE:
384 case CODEC_ID_PCM_F32LE:
385 case CODEC_ID_PCM_F64LE:
387 case CODEC_ID_PCM_U8:
389 case CODEC_ID_PCM_S16BE:
390 case CODEC_ID_PCM_S24BE:
391 case CODEC_ID_PCM_S32BE:
393 case CODEC_ID_PCM_S8:
394 case CODEC_ID_PCM_S16LE:
395 case CODEC_ID_PCM_S24LE:
396 case CODEC_ID_PCM_S32LE:
403 static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
405 int64_t pos = avio_tell(pb);
407 uint32_t tag = track->tag;
409 if (track->mode == MODE_MOV) {
410 if (track->timescale > UINT16_MAX) {
411 if (mov_get_lpcm_flags(track->enc->codec_id))
412 tag = AV_RL32("lpcm");
414 } else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id) ||
415 track->enc->codec_id == CODEC_ID_ADPCM_MS ||
416 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
421 avio_wb32(pb, 0); /* size */
422 avio_wl32(pb, tag); // store it byteswapped
423 avio_wb32(pb, 0); /* Reserved */
424 avio_wb16(pb, 0); /* Reserved */
425 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
427 /* SoundDescription */
428 avio_wb16(pb, version); /* Version */
429 avio_wb16(pb, 0); /* Revision level */
430 avio_wb32(pb, 0); /* Reserved */
435 avio_wb16(pb, 0xfffe);
437 avio_wb32(pb, 0x00010000);
439 avio_wb64(pb, av_dbl2int(track->timescale));
440 avio_wb32(pb, track->enc->channels);
441 avio_wb32(pb, 0x7F000000);
442 avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
443 avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
444 avio_wb32(pb, track->sampleSize);
445 avio_wb32(pb, track->enc->frame_size);
447 if (track->mode == MODE_MOV) {
448 avio_wb16(pb, track->enc->channels);
449 if (track->enc->codec_id == CODEC_ID_PCM_U8 ||
450 track->enc->codec_id == CODEC_ID_PCM_S8)
451 avio_wb16(pb, 8); /* bits per sample */
454 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
455 } else { /* reserved for mp4/3gp */
461 avio_wb16(pb, 0); /* packet size (= 0) */
462 avio_wb16(pb, track->timescale); /* Time scale */
463 avio_wb16(pb, 0); /* Reserved */
466 if(version == 1) { /* SoundDescription V1 extended info */
467 avio_wb32(pb, track->enc->frame_size); /* Samples per packet */
468 avio_wb32(pb, track->sampleSize / track->enc->channels); /* Bytes per packet */
469 avio_wb32(pb, track->sampleSize); /* Bytes per frame */
470 avio_wb32(pb, 2); /* Bytes per sample */
473 if(track->mode == MODE_MOV &&
474 (track->enc->codec_id == CODEC_ID_AAC ||
475 track->enc->codec_id == CODEC_ID_AC3 ||
476 track->enc->codec_id == CODEC_ID_AMR_NB ||
477 track->enc->codec_id == CODEC_ID_ALAC ||
478 track->enc->codec_id == CODEC_ID_ADPCM_MS ||
479 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV ||
480 mov_pcm_le_gt16(track->enc->codec_id)))
481 mov_write_wave_tag(pb, track);
482 else if(track->tag == MKTAG('m','p','4','a'))
483 mov_write_esds_tag(pb, track);
484 else if(track->enc->codec_id == CODEC_ID_AMR_NB)
485 mov_write_amr_tag(pb, track);
486 else if(track->enc->codec_id == CODEC_ID_AC3)
487 mov_write_ac3_tag(pb, track);
488 else if(track->enc->codec_id == CODEC_ID_ALAC)
489 mov_write_extradata_tag(pb, track);
490 else if(track->vosLen > 0)
491 mov_write_glbl_tag(pb, track);
493 return updateSize(pb, pos);
496 static int mov_write_d263_tag(AVIOContext *pb)
498 avio_wb32(pb, 0xf); /* size */
499 ffio_wfourcc(pb, "d263");
500 ffio_wfourcc(pb, "FFMP");
501 avio_w8(pb, 0); /* decoder version */
502 /* FIXME use AVCodecContext level/profile, when encoder will set values */
503 avio_w8(pb, 0xa); /* level */
504 avio_w8(pb, 0); /* profile */
508 /* TODO: No idea about these values */
509 static int mov_write_svq3_tag(AVIOContext *pb)
512 ffio_wfourcc(pb, "SMI ");
513 ffio_wfourcc(pb, "SEQH");
515 avio_wb32(pb, 0xe2c0211d);
516 avio_wb32(pb, 0xc0000000);
521 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
523 int64_t pos = avio_tell(pb);
526 ffio_wfourcc(pb, "avcC");
527 ff_isom_write_avcc(pb, track->vosData, track->vosLen);
528 return updateSize(pb, pos);
531 /* also used by all avid codecs (dv, imx, meridien) and their variants */
532 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
535 avio_wb32(pb, 24); /* size */
536 ffio_wfourcc(pb, "ACLR");
537 ffio_wfourcc(pb, "ACLR");
538 ffio_wfourcc(pb, "0001");
539 avio_wb32(pb, 2); /* yuv range: full 1 / normal 2 */
540 avio_wb32(pb, 0); /* unknown */
542 avio_wb32(pb, 24); /* size */
543 ffio_wfourcc(pb, "APRG");
544 ffio_wfourcc(pb, "APRG");
545 ffio_wfourcc(pb, "0001");
546 avio_wb32(pb, 1); /* unknown */
547 avio_wb32(pb, 0); /* unknown */
549 avio_wb32(pb, 120); /* size */
550 ffio_wfourcc(pb, "ARES");
551 ffio_wfourcc(pb, "ARES");
552 ffio_wfourcc(pb, "0001");
553 avio_wb32(pb, AV_RB32(track->vosData + 0x28)); /* dnxhd cid, some id ? */
554 avio_wb32(pb, track->enc->width);
555 /* values below are based on samples created with quicktime and avid codecs */
556 if (track->vosData[5] & 2) { // interlaced
557 avio_wb32(pb, track->enc->height/2);
558 avio_wb32(pb, 2); /* unknown */
559 avio_wb32(pb, 0); /* unknown */
560 avio_wb32(pb, 4); /* unknown */
562 avio_wb32(pb, track->enc->height);
563 avio_wb32(pb, 1); /* unknown */
564 avio_wb32(pb, 0); /* unknown */
565 if (track->enc->height == 1080)
566 avio_wb32(pb, 5); /* unknown */
568 avio_wb32(pb, 6); /* unknown */
571 for (i = 0; i < 10; i++)
574 /* extra padding for stsd needed */
579 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
581 int tag = track->enc->codec_tag;
583 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
586 if (track->enc->codec_id == CODEC_ID_H264) tag = MKTAG('a','v','c','1');
587 else if (track->enc->codec_id == CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
588 else if (track->enc->codec_id == CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
589 else if (track->enc->codec_id == CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
590 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
591 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
596 static const AVCodecTag codec_ipod_tags[] = {
597 { CODEC_ID_H264, MKTAG('a','v','c','1') },
598 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
599 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
600 { CODEC_ID_ALAC, MKTAG('a','l','a','c') },
601 { CODEC_ID_AC3, MKTAG('a','c','-','3') },
602 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
603 { CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
604 { CODEC_ID_NONE, 0 },
607 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
609 int tag = track->enc->codec_tag;
611 // keep original tag for subs, ipod supports both formats
612 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
613 (tag == MKTAG('t','x','3','g') ||
614 tag == MKTAG('t','e','x','t'))))
615 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
617 if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v"))
618 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
619 "Quicktime/Ipod might not play the file\n");
624 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
628 if (track->enc->width == 720) /* SD */
629 if (track->enc->height == 480) /* NTSC */
630 if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
631 else tag = MKTAG('d','v','c',' ');
632 else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
633 else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
634 else tag = MKTAG('d','v','p','p');
635 else if (track->enc->height == 720) /* HD 720 line */
636 if (track->enc->time_base.den == 50) tag = MKTAG('d','v','h','q');
637 else tag = MKTAG('d','v','h','p');
638 else if (track->enc->height == 1080) /* HD 1080 line */
639 if (track->enc->time_base.den == 25) tag = MKTAG('d','v','h','5');
640 else tag = MKTAG('d','v','h','6');
642 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
649 static const struct {
650 enum PixelFormat pix_fmt;
653 } mov_pix_fmt_tags[] = {
654 { PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
655 { PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
656 { PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
657 { PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
658 { PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
659 { PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
660 { PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
661 { PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
662 { PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
663 { PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
664 { PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
665 { PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
666 { PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
667 { PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
670 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
672 int tag = track->enc->codec_tag;
675 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
676 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
677 tag = mov_pix_fmt_tags[i].tag;
678 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
686 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
688 int tag = track->enc->codec_tag;
690 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
691 (track->enc->codec_id == CODEC_ID_DVVIDEO ||
692 track->enc->codec_id == CODEC_ID_RAWVIDEO ||
693 track->enc->codec_id == CODEC_ID_H263 ||
694 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
695 if (track->enc->codec_id == CODEC_ID_DVVIDEO)
696 tag = mov_get_dv_codec_tag(s, track);
697 else if (track->enc->codec_id == CODEC_ID_RAWVIDEO)
698 tag = mov_get_rawvideo_codec_tag(s, track);
699 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
700 tag = ff_codec_get_tag(codec_movvideo_tags, track->enc->codec_id);
701 if (!tag) { // if no mac fcc found, try with Microsoft tags
702 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
704 av_log(s, AV_LOG_INFO, "Warning, using MS style video codec tag, "
705 "the file may be unplayable!\n");
707 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
708 tag = ff_codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
709 if (!tag) { // if no mac fcc found, try with Microsoft tags
710 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
712 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
713 av_log(s, AV_LOG_INFO, "Warning, using MS style audio codec tag, "
714 "the file may be unplayable!\n");
717 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
718 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
724 static const AVCodecTag codec_3gp_tags[] = {
725 { CODEC_ID_H263, MKTAG('s','2','6','3') },
726 { CODEC_ID_H264, MKTAG('a','v','c','1') },
727 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
728 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
729 { CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
730 { CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
731 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
732 { CODEC_ID_NONE, 0 },
735 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
737 int tag = track->enc->codec_tag;
739 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
740 tag = mp4_get_codec_tag(s, track);
741 else if (track->mode == MODE_IPOD)
742 tag = ipod_get_codec_tag(s, track);
743 else if (track->mode & MODE_3GP)
744 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
746 tag = mov_get_codec_tag(s, track);
752 * Needed to make file play in iPods running newest firmware
753 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
755 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
758 ffio_wfourcc(pb, "uuid");
759 avio_wb32(pb, 0x6b6840f2);
760 avio_wb32(pb, 0x5f244fc5);
761 avio_wb32(pb, 0xba39a51b);
762 avio_wb32(pb, 0xcf0323f3);
767 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
769 int64_t pos = avio_tell(pb);
770 avio_wb32(pb, 0); /* size */
771 avio_wl32(pb, track->tag); // store it byteswapped
772 avio_wb32(pb, 0); /* Reserved */
773 avio_wb16(pb, 0); /* Reserved */
774 avio_wb16(pb, 1); /* Data-reference index */
776 if (track->enc->extradata_size)
777 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
779 return updateSize(pb, pos);
782 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
785 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
786 track->enc->sample_aspect_ratio.den, INT_MAX);
789 ffio_wfourcc(pb, "pasp");
790 avio_wb32(pb, sar.num);
791 avio_wb32(pb, sar.den);
795 static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
797 int64_t pos = avio_tell(pb);
798 char compressor_name[32];
800 avio_wb32(pb, 0); /* size */
801 avio_wl32(pb, track->tag); // store it byteswapped
802 avio_wb32(pb, 0); /* Reserved */
803 avio_wb16(pb, 0); /* Reserved */
804 avio_wb16(pb, 1); /* Data-reference index */
806 avio_wb16(pb, 0); /* Codec stream version */
807 avio_wb16(pb, 0); /* Codec stream revision (=0) */
808 if (track->mode == MODE_MOV) {
809 ffio_wfourcc(pb, "FFMP"); /* Vendor */
810 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
811 avio_wb32(pb, 0); /* Temporal Quality */
812 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
814 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
815 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
818 avio_wb32(pb, 0); /* Reserved */
819 avio_wb32(pb, 0); /* Reserved */
820 avio_wb32(pb, 0); /* Reserved */
822 avio_wb16(pb, track->enc->width); /* Video width */
823 avio_wb16(pb, track->height); /* Video height */
824 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
825 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
826 avio_wb32(pb, 0); /* Data size (= 0) */
827 avio_wb16(pb, 1); /* Frame count (= 1) */
829 memset(compressor_name,0,32);
830 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
831 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
832 strncpy(compressor_name,track->enc->codec->name,31);
833 avio_w8(pb, strlen(compressor_name));
834 avio_write(pb, compressor_name, 31);
836 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
837 avio_wb16(pb, track->enc->bits_per_coded_sample);
839 avio_wb16(pb, 0x18); /* Reserved */
840 avio_wb16(pb, 0xffff); /* Reserved */
841 if(track->tag == MKTAG('m','p','4','v'))
842 mov_write_esds_tag(pb, track);
843 else if(track->enc->codec_id == CODEC_ID_H263)
844 mov_write_d263_tag(pb);
845 else if(track->enc->codec_id == CODEC_ID_SVQ3)
846 mov_write_svq3_tag(pb);
847 else if(track->enc->codec_id == CODEC_ID_DNXHD)
848 mov_write_avid_tag(pb, track);
849 else if(track->enc->codec_id == CODEC_ID_H264) {
850 mov_write_avcc_tag(pb, track);
851 if(track->mode == MODE_IPOD)
852 mov_write_uuid_tag_ipod(pb);
853 } else if(track->vosLen > 0)
854 mov_write_glbl_tag(pb, track);
856 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
857 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
858 mov_write_pasp_tag(pb, track);
861 return updateSize(pb, pos);
864 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
866 int64_t pos = avio_tell(pb);
867 avio_wb32(pb, 0); /* size */
868 ffio_wfourcc(pb, "rtp ");
869 avio_wb32(pb, 0); /* Reserved */
870 avio_wb16(pb, 0); /* Reserved */
871 avio_wb16(pb, 1); /* Data-reference index */
873 avio_wb16(pb, 1); /* Hint track version */
874 avio_wb16(pb, 1); /* Highest compatible version */
875 avio_wb32(pb, track->max_packet_size); /* Max packet size */
877 avio_wb32(pb, 12); /* size */
878 ffio_wfourcc(pb, "tims");
879 avio_wb32(pb, track->timescale);
881 return updateSize(pb, pos);
884 static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
886 int64_t pos = avio_tell(pb);
887 avio_wb32(pb, 0); /* size */
888 ffio_wfourcc(pb, "stsd");
889 avio_wb32(pb, 0); /* version & flags */
890 avio_wb32(pb, 1); /* entry count */
891 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
892 mov_write_video_tag(pb, track);
893 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
894 mov_write_audio_tag(pb, track);
895 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
896 mov_write_subtitle_tag(pb, track);
897 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
898 mov_write_rtp_tag(pb, track);
899 return updateSize(pb, pos);
902 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
904 MOVStts *ctts_entries;
905 uint32_t entries = 0;
909 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
910 ctts_entries[0].count = 1;
911 ctts_entries[0].duration = track->cluster[0].cts;
912 for (i=1; i<track->entry; i++) {
913 if (track->cluster[i].cts == ctts_entries[entries].duration) {
914 ctts_entries[entries].count++; /* compress */
917 ctts_entries[entries].duration = track->cluster[i].cts;
918 ctts_entries[entries].count = 1;
921 entries++; /* last one */
922 atom_size = 16 + (entries * 8);
923 avio_wb32(pb, atom_size); /* size */
924 ffio_wfourcc(pb, "ctts");
925 avio_wb32(pb, 0); /* version & flags */
926 avio_wb32(pb, entries); /* entry count */
927 for (i=0; i<entries; i++) {
928 avio_wb32(pb, ctts_entries[i].count);
929 avio_wb32(pb, ctts_entries[i].duration);
931 av_free(ctts_entries);
935 /* Time to sample atom */
936 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
938 MOVStts *stts_entries;
939 uint32_t entries = -1;
943 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
944 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
945 stts_entries[0].count = track->sampleCount;
946 stts_entries[0].duration = 1;
949 stts_entries = av_malloc(track->entry * sizeof(*stts_entries)); /* worst case */
950 for (i=0; i<track->entry; i++) {
951 int64_t duration = i + 1 == track->entry ?
952 track->trackDuration - track->cluster[i].dts + track->cluster[0].dts : /* readjusting */
953 track->cluster[i+1].dts - track->cluster[i].dts;
954 if (i && duration == stts_entries[entries].duration) {
955 stts_entries[entries].count++; /* compress */
958 stts_entries[entries].duration = duration;
959 stts_entries[entries].count = 1;
962 entries++; /* last one */
964 atom_size = 16 + (entries * 8);
965 avio_wb32(pb, atom_size); /* size */
966 ffio_wfourcc(pb, "stts");
967 avio_wb32(pb, 0); /* version & flags */
968 avio_wb32(pb, entries); /* entry count */
969 for (i=0; i<entries; i++) {
970 avio_wb32(pb, stts_entries[i].count);
971 avio_wb32(pb, stts_entries[i].duration);
973 av_free(stts_entries);
977 static int mov_write_dref_tag(AVIOContext *pb)
979 avio_wb32(pb, 28); /* size */
980 ffio_wfourcc(pb, "dref");
981 avio_wb32(pb, 0); /* version & flags */
982 avio_wb32(pb, 1); /* entry count */
984 avio_wb32(pb, 0xc); /* size */
985 ffio_wfourcc(pb, "url ");
986 avio_wb32(pb, 1); /* version & flags */
991 static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
993 int64_t pos = avio_tell(pb);
994 avio_wb32(pb, 0); /* size */
995 ffio_wfourcc(pb, "stbl");
996 mov_write_stsd_tag(pb, track);
997 mov_write_stts_tag(pb, track);
998 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
999 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
1000 track->hasKeyframes && track->hasKeyframes < track->entry)
1001 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1002 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1003 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
1004 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1005 track->flags & MOV_TRACK_CTTS)
1006 mov_write_ctts_tag(pb, track);
1007 mov_write_stsc_tag(pb, track);
1008 mov_write_stsz_tag(pb, track);
1009 mov_write_stco_tag(pb, track);
1010 return updateSize(pb, pos);
1013 static int mov_write_dinf_tag(AVIOContext *pb)
1015 int64_t pos = avio_tell(pb);
1016 avio_wb32(pb, 0); /* size */
1017 ffio_wfourcc(pb, "dinf");
1018 mov_write_dref_tag(pb);
1019 return updateSize(pb, pos);
1022 static int mov_write_nmhd_tag(AVIOContext *pb)
1025 ffio_wfourcc(pb, "nmhd");
1030 static int mov_write_gmhd_tag(AVIOContext *pb)
1032 avio_wb32(pb, 0x20); /* size */
1033 ffio_wfourcc(pb, "gmhd");
1034 avio_wb32(pb, 0x18); /* gmin size */
1035 ffio_wfourcc(pb, "gmin");/* generic media info */
1036 avio_wb32(pb, 0); /* version & flags */
1037 avio_wb16(pb, 0x40); /* graphics mode = */
1038 avio_wb16(pb, 0x8000); /* opColor (r?) */
1039 avio_wb16(pb, 0x8000); /* opColor (g?) */
1040 avio_wb16(pb, 0x8000); /* opColor (b?) */
1041 avio_wb16(pb, 0); /* balance */
1042 avio_wb16(pb, 0); /* reserved */
1046 static int mov_write_smhd_tag(AVIOContext *pb)
1048 avio_wb32(pb, 16); /* size */
1049 ffio_wfourcc(pb, "smhd");
1050 avio_wb32(pb, 0); /* version & flags */
1051 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1052 avio_wb16(pb, 0); /* reserved */
1056 static int mov_write_vmhd_tag(AVIOContext *pb)
1058 avio_wb32(pb, 0x14); /* size (always 0x14) */
1059 ffio_wfourcc(pb, "vmhd");
1060 avio_wb32(pb, 0x01); /* version & flags */
1061 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
1065 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
1067 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1068 int64_t pos = avio_tell(pb);
1070 if (!track) { /* no media --> data handler */
1073 descr = "DataHandler";
1075 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1076 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1078 descr = "VideoHandler";
1079 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1081 descr = "SoundHandler";
1082 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1083 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
1084 else hdlr_type = "text";
1085 descr = "SubtitleHandler";
1086 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1088 descr = "HintHandler";
1092 avio_wb32(pb, 0); /* size */
1093 ffio_wfourcc(pb, "hdlr");
1094 avio_wb32(pb, 0); /* Version & flags */
1095 avio_write(pb, hdlr, 4); /* handler */
1096 ffio_wfourcc(pb, hdlr_type); /* handler type */
1097 avio_wb32(pb ,0); /* reserved */
1098 avio_wb32(pb ,0); /* reserved */
1099 avio_wb32(pb ,0); /* reserved */
1100 if (!track || track->mode == MODE_MOV)
1101 avio_w8(pb, strlen(descr)); /* pascal string */
1102 avio_write(pb, descr, strlen(descr)); /* handler description */
1103 if (track && track->mode != MODE_MOV)
1104 avio_w8(pb, 0); /* c string */
1105 return updateSize(pb, pos);
1108 static int mov_write_hmhd_tag(AVIOContext *pb)
1110 /* This atom must be present, but leaving the values at zero
1111 * seems harmless. */
1112 avio_wb32(pb, 28); /* size */
1113 ffio_wfourcc(pb, "hmhd");
1114 avio_wb32(pb, 0); /* version, flags */
1115 avio_wb16(pb, 0); /* maxPDUsize */
1116 avio_wb16(pb, 0); /* avgPDUsize */
1117 avio_wb32(pb, 0); /* maxbitrate */
1118 avio_wb32(pb, 0); /* avgbitrate */
1119 avio_wb32(pb, 0); /* reserved */
1123 static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
1125 int64_t pos = avio_tell(pb);
1126 avio_wb32(pb, 0); /* size */
1127 ffio_wfourcc(pb, "minf");
1128 if(track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1129 mov_write_vmhd_tag(pb);
1130 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1131 mov_write_smhd_tag(pb);
1132 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1133 if (track->tag == MKTAG('t','e','x','t')) mov_write_gmhd_tag(pb);
1134 else mov_write_nmhd_tag(pb);
1135 } else if (track->tag == MKTAG('r','t','p',' ')) {
1136 mov_write_hmhd_tag(pb);
1138 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1139 mov_write_hdlr_tag(pb, NULL);
1140 mov_write_dinf_tag(pb);
1141 mov_write_stbl_tag(pb, track);
1142 return updateSize(pb, pos);
1145 static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track)
1147 int version = track->trackDuration < INT32_MAX ? 0 : 1;
1149 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
1150 ffio_wfourcc(pb, "mdhd");
1151 avio_w8(pb, version);
1152 avio_wb24(pb, 0); /* flags */
1154 avio_wb64(pb, track->time);
1155 avio_wb64(pb, track->time);
1157 avio_wb32(pb, track->time); /* creation time */
1158 avio_wb32(pb, track->time); /* modification time */
1160 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
1161 (version == 1) ? avio_wb64(pb, track->trackDuration) : avio_wb32(pb, track->trackDuration); /* duration */
1162 avio_wb16(pb, track->language); /* language */
1163 avio_wb16(pb, 0); /* reserved (quality) */
1165 if(version!=0 && track->mode == MODE_MOV){
1166 av_log(NULL, AV_LOG_ERROR,
1167 "FATAL error, file duration too long for timebase, this file will not be\n"
1168 "playable with quicktime. Choose a different timebase or a different\n"
1169 "container format\n");
1175 static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track)
1177 int64_t pos = avio_tell(pb);
1178 avio_wb32(pb, 0); /* size */
1179 ffio_wfourcc(pb, "mdia");
1180 mov_write_mdhd_tag(pb, track);
1181 mov_write_hdlr_tag(pb, track);
1182 mov_write_minf_tag(pb, track);
1183 return updateSize(pb, pos);
1186 static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1188 int64_t duration = av_rescale_rnd(track->trackDuration, MOV_TIMESCALE,
1189 track->timescale, AV_ROUND_UP);
1190 int version = duration < INT32_MAX ? 0 : 1;
1192 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
1193 ffio_wfourcc(pb, "tkhd");
1194 avio_w8(pb, version);
1195 avio_wb24(pb, 0xf); /* flags (track enabled) */
1197 avio_wb64(pb, track->time);
1198 avio_wb64(pb, track->time);
1200 avio_wb32(pb, track->time); /* creation time */
1201 avio_wb32(pb, track->time); /* modification time */
1203 avio_wb32(pb, track->trackID); /* track-id */
1204 avio_wb32(pb, 0); /* reserved */
1205 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
1207 avio_wb32(pb, 0); /* reserved */
1208 avio_wb32(pb, 0); /* reserved */
1209 avio_wb32(pb, 0x0); /* reserved (Layer & Alternate group) */
1210 /* Volume, only for audio */
1211 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1212 avio_wb16(pb, 0x0100);
1215 avio_wb16(pb, 0); /* reserved */
1217 /* Matrix structure */
1218 avio_wb32(pb, 0x00010000); /* reserved */
1219 avio_wb32(pb, 0x0); /* reserved */
1220 avio_wb32(pb, 0x0); /* reserved */
1221 avio_wb32(pb, 0x0); /* reserved */
1222 avio_wb32(pb, 0x00010000); /* reserved */
1223 avio_wb32(pb, 0x0); /* reserved */
1224 avio_wb32(pb, 0x0); /* reserved */
1225 avio_wb32(pb, 0x0); /* reserved */
1226 avio_wb32(pb, 0x40000000); /* reserved */
1228 /* Track width and height, for visual only */
1229 if(st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1230 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
1231 if(track->mode == MODE_MOV) {
1232 avio_wb32(pb, track->enc->width << 16);
1233 avio_wb32(pb, track->height << 16);
1235 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1236 if(!sample_aspect_ratio || track->height != track->enc->height)
1237 sample_aspect_ratio = 1;
1238 avio_wb32(pb, sample_aspect_ratio * track->enc->width*0x10000);
1239 avio_wb32(pb, track->height*0x10000);
1249 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
1251 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
1252 track->enc->sample_aspect_ratio.den);
1254 int64_t pos = avio_tell(pb);
1256 avio_wb32(pb, 0); /* size */
1257 ffio_wfourcc(pb, "tapt");
1260 ffio_wfourcc(pb, "clef");
1262 avio_wb32(pb, width << 16);
1263 avio_wb32(pb, track->enc->height << 16);
1266 ffio_wfourcc(pb, "enof");
1268 avio_wb32(pb, track->enc->width << 16);
1269 avio_wb32(pb, track->enc->height << 16);
1271 return updateSize(pb, pos);
1274 // This box seems important for the psp playback ... without it the movie seems to hang
1275 static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track)
1277 avio_wb32(pb, 0x24); /* size */
1278 ffio_wfourcc(pb, "edts");
1279 avio_wb32(pb, 0x1c); /* size */
1280 ffio_wfourcc(pb, "elst");
1284 /* duration ... doesn't seem to effect psp */
1285 avio_wb32(pb, av_rescale_rnd(track->trackDuration, MOV_TIMESCALE,
1286 track->timescale, AV_ROUND_UP));
1288 avio_wb32(pb, track->cluster[0].cts); /* first pts is cts since dts is 0 */
1289 avio_wb32(pb, 0x00010000);
1293 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
1295 avio_wb32(pb, 20); // size
1296 ffio_wfourcc(pb, "tref");
1297 avio_wb32(pb, 12); // size (subatom)
1298 avio_wl32(pb, track->tref_tag);
1299 avio_wb32(pb, track->tref_id);
1303 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1304 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
1306 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1307 ffio_wfourcc(pb, "uuid");
1308 ffio_wfourcc(pb, "USMT");
1309 avio_wb32(pb, 0x21d24fce);
1310 avio_wb32(pb, 0xbb88695c);
1311 avio_wb32(pb, 0xfac9c740);
1312 avio_wb32(pb, 0x1c); // another size here!
1313 ffio_wfourcc(pb, "MTDT");
1314 avio_wb32(pb, 0x00010012);
1315 avio_wb32(pb, 0x0a);
1316 avio_wb32(pb, 0x55c40000);
1322 static int mov_write_udta_sdp(AVIOContext *pb, AVCodecContext *ctx, int index)
1324 char buf[1000] = "";
1327 ff_sdp_write_media(buf, sizeof(buf), ctx, NULL, NULL, 0, 0);
1328 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", index);
1331 avio_wb32(pb, len + 24);
1332 ffio_wfourcc(pb, "udta");
1333 avio_wb32(pb, len + 16);
1334 ffio_wfourcc(pb, "hnti");
1335 avio_wb32(pb, len + 8);
1336 ffio_wfourcc(pb, "sdp ");
1337 avio_write(pb, buf, len);
1341 static int mov_write_trak_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1343 int64_t pos = avio_tell(pb);
1344 avio_wb32(pb, 0); /* size */
1345 ffio_wfourcc(pb, "trak");
1346 mov_write_tkhd_tag(pb, track, st);
1347 if (track->mode == MODE_PSP || track->flags & MOV_TRACK_CTTS)
1348 mov_write_edts_tag(pb, track); // PSP Movies require edts box
1349 if (track->tref_tag)
1350 mov_write_tref_tag(pb, track);
1351 mov_write_mdia_tag(pb, track);
1352 if (track->mode == MODE_PSP)
1353 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
1354 if (track->tag == MKTAG('r','t','p',' '))
1355 mov_write_udta_sdp(pb, track->rtp_ctx->streams[0]->codec, track->trackID);
1356 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && track->mode == MODE_MOV) {
1357 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1358 if (0.0 != sample_aspect_ratio && 1.0 != sample_aspect_ratio)
1359 mov_write_tapt_tag(pb, track);
1361 return updateSize(pb, pos);
1365 /* TODO: Not sorted out, but not necessary either */
1366 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
1368 avio_wb32(pb, 0x15); /* size */
1369 ffio_wfourcc(pb, "iods");
1370 avio_wb32(pb, 0); /* version & flags */
1371 avio_wb16(pb, 0x1007);
1373 avio_wb16(pb, 0x4fff);
1374 avio_wb16(pb, 0xfffe);
1375 avio_wb16(pb, 0x01ff);
1380 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
1382 int maxTrackID = 1, i;
1383 int64_t maxTrackLenTemp, maxTrackLen = 0;
1386 for (i=0; i<mov->nb_streams; i++) {
1387 if(mov->tracks[i].entry > 0) {
1388 maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration,
1390 mov->tracks[i].timescale,
1392 if(maxTrackLen < maxTrackLenTemp)
1393 maxTrackLen = maxTrackLenTemp;
1394 if(maxTrackID < mov->tracks[i].trackID)
1395 maxTrackID = mov->tracks[i].trackID;
1399 version = maxTrackLen < UINT32_MAX ? 0 : 1;
1400 (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
1401 ffio_wfourcc(pb, "mvhd");
1402 avio_w8(pb, version);
1403 avio_wb24(pb, 0); /* flags */
1405 avio_wb64(pb, mov->time);
1406 avio_wb64(pb, mov->time);
1408 avio_wb32(pb, mov->time); /* creation time */
1409 avio_wb32(pb, mov->time); /* modification time */
1411 avio_wb32(pb, MOV_TIMESCALE);
1412 (version == 1) ? avio_wb64(pb, maxTrackLen) : avio_wb32(pb, maxTrackLen); /* duration of longest track */
1414 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1415 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1416 avio_wb16(pb, 0); /* reserved */
1417 avio_wb32(pb, 0); /* reserved */
1418 avio_wb32(pb, 0); /* reserved */
1420 /* Matrix structure */
1421 avio_wb32(pb, 0x00010000); /* reserved */
1422 avio_wb32(pb, 0x0); /* reserved */
1423 avio_wb32(pb, 0x0); /* reserved */
1424 avio_wb32(pb, 0x0); /* reserved */
1425 avio_wb32(pb, 0x00010000); /* reserved */
1426 avio_wb32(pb, 0x0); /* reserved */
1427 avio_wb32(pb, 0x0); /* reserved */
1428 avio_wb32(pb, 0x0); /* reserved */
1429 avio_wb32(pb, 0x40000000); /* reserved */
1431 avio_wb32(pb, 0); /* reserved (preview time) */
1432 avio_wb32(pb, 0); /* reserved (preview duration) */
1433 avio_wb32(pb, 0); /* reserved (poster time) */
1434 avio_wb32(pb, 0); /* reserved (selection time) */
1435 avio_wb32(pb, 0); /* reserved (selection duration) */
1436 avio_wb32(pb, 0); /* reserved (current time) */
1437 avio_wb32(pb, maxTrackID+1); /* Next track id */
1441 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
1444 avio_wb32(pb, 33); /* size */
1445 ffio_wfourcc(pb, "hdlr");
1448 ffio_wfourcc(pb, "mdir");
1449 ffio_wfourcc(pb, "appl");
1456 /* helper function to write a data tag with the specified string as data */
1457 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
1460 int size = 16 + strlen(data);
1461 avio_wb32(pb, size); /* size */
1462 ffio_wfourcc(pb, "data");
1465 avio_write(pb, data, strlen(data));
1469 lang = ff_mov_iso639_to_lang("und", 1);
1470 avio_wb16(pb, strlen(data)); /* string length */
1471 avio_wb16(pb, lang);
1472 avio_write(pb, data, strlen(data));
1473 return strlen(data) + 4;
1477 static int mov_write_string_tag(AVIOContext *pb, const char *name, const char *value, int lang, int long_style){
1479 if (value && value[0]) {
1480 int64_t pos = avio_tell(pb);
1481 avio_wb32(pb, 0); /* size */
1482 ffio_wfourcc(pb, name);
1483 mov_write_string_data_tag(pb, value, lang, long_style);
1484 size= updateSize(pb, pos);
1489 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
1490 const char *name, const char *tag,
1493 int l, lang = 0, len, len2;
1494 AVMetadataTag *t, *t2 = NULL;
1497 if (!(t = av_metadata_get(s->metadata, tag, NULL, 0)))
1500 len = strlen(t->key);
1501 snprintf(tag2, sizeof(tag2), "%s-", tag);
1502 while ((t2 = av_metadata_get(s->metadata, tag2, t2, AV_METADATA_IGNORE_SUFFIX))) {
1503 len2 = strlen(t2->key);
1504 if (len2 == len+4 && !strcmp(t->value, t2->value)
1505 && (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 1)) >= 0) {
1510 return mov_write_string_tag(pb, name, t->value, lang, long_style);
1513 /* iTunes track number */
1514 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
1517 AVMetadataTag *t = av_metadata_get(s->metadata, "track", NULL, 0);
1518 int size = 0, track = t ? atoi(t->value) : 0;
1520 avio_wb32(pb, 32); /* size */
1521 ffio_wfourcc(pb, "trkn");
1522 avio_wb32(pb, 24); /* size */
1523 ffio_wfourcc(pb, "data");
1524 avio_wb32(pb, 0); // 8 bytes empty
1526 avio_wb16(pb, 0); // empty
1527 avio_wb16(pb, track); // track number
1528 avio_wb16(pb, 0); // total track number
1529 avio_wb16(pb, 0); // empty
1535 /* iTunes meta data list */
1536 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
1539 int64_t pos = avio_tell(pb);
1540 avio_wb32(pb, 0); /* size */
1541 ffio_wfourcc(pb, "ilst");
1542 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
1543 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
1544 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
1545 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
1546 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
1547 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
1548 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
1549 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
1550 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
1551 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
1552 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
1553 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
1554 mov_write_string_metadata(s, pb, "desc", "description",1);
1555 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
1556 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
1557 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
1558 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
1559 mov_write_trkn_tag(pb, mov, s);
1560 return updateSize(pb, pos);
1563 /* iTunes meta data tag */
1564 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
1568 int64_t pos = avio_tell(pb);
1569 avio_wb32(pb, 0); /* size */
1570 ffio_wfourcc(pb, "meta");
1572 mov_write_itunes_hdlr_tag(pb, mov, s);
1573 mov_write_ilst_tag(pb, mov, s);
1574 size = updateSize(pb, pos);
1578 static int utf8len(const uint8_t *b)
1583 GET_UTF8(val, *b++, return -1;)
1589 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
1593 GET_UTF8(val, *b++, return -1;)
1596 avio_wb16(pb, 0x00);
1600 static uint16_t language_code(const char *str)
1602 return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
1605 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
1606 const char *tag, const char *str)
1608 int64_t pos = avio_tell(pb);
1609 AVMetadataTag *t = av_metadata_get(s->metadata, str, NULL, 0);
1610 if (!t || !utf8len(t->value))
1612 avio_wb32(pb, 0); /* size */
1613 ffio_wfourcc(pb, tag); /* type */
1614 avio_wb32(pb, 0); /* version + flags */
1615 if (!strcmp(tag, "yrrc"))
1616 avio_wb16(pb, atoi(t->value));
1618 avio_wb16(pb, language_code("eng")); /* language */
1619 avio_write(pb, t->value, strlen(t->value)+1); /* UTF8 string value */
1620 if (!strcmp(tag, "albm") &&
1621 (t = av_metadata_get(s->metadata, "track", NULL, 0)))
1622 avio_w8(pb, atoi(t->value));
1624 return updateSize(pb, pos);
1627 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
1629 int64_t pos = avio_tell(pb);
1630 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
1632 avio_wb32(pb, 0); // size
1633 ffio_wfourcc(pb, "chpl");
1634 avio_wb32(pb, 0x01000000); // version + flags
1635 avio_wb32(pb, 0); // unknown
1636 avio_w8(pb, nb_chapters);
1638 for (i = 0; i < nb_chapters; i++) {
1639 AVChapter *c = s->chapters[i];
1641 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
1643 if ((t = av_metadata_get(c->metadata, "title", NULL, 0))) {
1644 int len = FFMIN(strlen(t->value), 255);
1646 avio_write(pb, t->value, len);
1650 return updateSize(pb, pos);
1653 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
1656 AVIOContext *pb_buf;
1660 for (i = 0; i < s->nb_streams; i++)
1661 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
1665 ret = avio_open_dyn_buf(&pb_buf);
1669 if (mov->mode & MODE_3GP) {
1670 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
1671 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
1672 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
1673 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
1674 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
1675 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
1676 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
1677 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
1678 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
1679 mov_write_string_metadata(s, pb_buf, "\251ART", "artist" , 0);
1680 mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0);
1681 mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0);
1682 mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0);
1683 mov_write_string_metadata(s, pb_buf, "\251day", "date" , 0);
1684 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder" , 0);
1685 mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0);
1686 mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0);
1687 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0);
1689 /* iTunes meta data */
1690 mov_write_meta_tag(pb_buf, mov, s);
1694 mov_write_chpl_tag(pb_buf, s);
1696 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
1697 avio_wb32(pb, size+8);
1698 ffio_wfourcc(pb, "udta");
1699 avio_write(pb, buf, size);
1706 static void mov_write_psp_udta_tag(AVIOContext *pb,
1707 const char *str, const char *lang, int type)
1709 int len = utf8len(str)+1;
1712 avio_wb16(pb, len*2+10); /* size */
1713 avio_wb32(pb, type); /* type */
1714 avio_wb16(pb, language_code(lang)); /* language */
1715 avio_wb16(pb, 0x01); /* ? */
1716 ascii_to_wc(pb, str);
1719 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
1721 AVMetadataTag *title = av_metadata_get(s->metadata, "title", NULL, 0);
1725 pos = avio_tell(pb);
1726 avio_wb32(pb, 0); /* size placeholder*/
1727 ffio_wfourcc(pb, "uuid");
1728 ffio_wfourcc(pb, "USMT");
1729 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
1730 avio_wb32(pb, 0xbb88695c);
1731 avio_wb32(pb, 0xfac9c740);
1733 pos2 = avio_tell(pb);
1734 avio_wb32(pb, 0); /* size placeholder*/
1735 ffio_wfourcc(pb, "MTDT");
1739 avio_wb16(pb, 0x0C); /* size */
1740 avio_wb32(pb, 0x0B); /* type */
1741 avio_wb16(pb, language_code("und")); /* language */
1742 avio_wb16(pb, 0x0); /* ? */
1743 avio_wb16(pb, 0x021C); /* data */
1745 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
1746 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
1747 // 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);
1748 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
1750 updateSize(pb, pos2);
1751 return updateSize(pb, pos);
1757 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
1761 int64_t pos = avio_tell(pb);
1762 avio_wb32(pb, 0); /* size placeholder*/
1763 ffio_wfourcc(pb, "moov");
1765 for (i=0; i<mov->nb_streams; i++) {
1766 if(mov->tracks[i].entry <= 0) continue;
1768 mov->tracks[i].time = mov->time;
1769 mov->tracks[i].trackID = i+1;
1772 if (mov->chapter_track)
1773 for (i=0; i<s->nb_streams; i++) {
1774 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
1775 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].trackID;
1777 for (i = 0; i < mov->nb_streams; i++) {
1778 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
1779 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
1780 mov->tracks[i].tref_id =
1781 mov->tracks[mov->tracks[i].src_track].trackID;
1785 mov_write_mvhd_tag(pb, mov);
1786 //mov_write_iods_tag(pb, mov);
1787 for (i=0; i<mov->nb_streams; i++) {
1788 if(mov->tracks[i].entry > 0) {
1789 mov_write_trak_tag(pb, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
1793 if (mov->mode == MODE_PSP)
1794 mov_write_uuidusmt_tag(pb, s);
1796 mov_write_udta_tag(pb, mov, s);
1798 return updateSize(pb, pos);
1801 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
1803 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
1804 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
1806 mov->mdat_pos = avio_tell(pb);
1807 avio_wb32(pb, 0); /* size placeholder*/
1808 ffio_wfourcc(pb, "mdat");
1812 /* TODO: This needs to be more general */
1813 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
1815 MOVMuxContext *mov = s->priv_data;
1816 int64_t pos = avio_tell(pb);
1817 int has_h264 = 0, has_video = 0;
1821 for (i = 0; i < s->nb_streams; i++) {
1822 AVStream *st = s->streams[i];
1823 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
1825 if (st->codec->codec_id == CODEC_ID_H264)
1829 avio_wb32(pb, 0); /* size */
1830 ffio_wfourcc(pb, "ftyp");
1832 if (mov->mode == MODE_3GP) {
1833 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
1834 minor = has_h264 ? 0x100 : 0x200;
1835 } else if (mov->mode & MODE_3G2) {
1836 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
1837 minor = has_h264 ? 0x20000 : 0x10000;
1838 }else if (mov->mode == MODE_PSP)
1839 ffio_wfourcc(pb, "MSNV");
1840 else if (mov->mode == MODE_MP4)
1841 ffio_wfourcc(pb, "isom");
1842 else if (mov->mode == MODE_IPOD)
1843 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
1845 ffio_wfourcc(pb, "qt ");
1847 avio_wb32(pb, minor);
1849 if(mov->mode == MODE_MOV)
1850 ffio_wfourcc(pb, "qt ");
1852 ffio_wfourcc(pb, "isom");
1853 ffio_wfourcc(pb, "iso2");
1855 ffio_wfourcc(pb, "avc1");
1858 if (mov->mode == MODE_3GP)
1859 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
1860 else if (mov->mode & MODE_3G2)
1861 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
1862 else if (mov->mode == MODE_PSP)
1863 ffio_wfourcc(pb, "MSNV");
1864 else if (mov->mode == MODE_MP4)
1865 ffio_wfourcc(pb, "mp41");
1866 return updateSize(pb, pos);
1869 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
1871 AVCodecContext *VideoCodec = s->streams[0]->codec;
1872 AVCodecContext *AudioCodec = s->streams[1]->codec;
1873 int AudioRate = AudioCodec->sample_rate;
1874 int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num);
1875 int audio_kbitrate= AudioCodec->bit_rate / 1000;
1876 int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate);
1878 avio_wb32(pb, 0x94); /* size */
1879 ffio_wfourcc(pb, "uuid");
1880 ffio_wfourcc(pb, "PROF");
1882 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
1883 avio_wb32(pb, 0xbb88695c);
1884 avio_wb32(pb, 0xfac9c740);
1886 avio_wb32(pb, 0x0); /* ? */
1887 avio_wb32(pb, 0x3); /* 3 sections ? */
1889 avio_wb32(pb, 0x14); /* size */
1890 ffio_wfourcc(pb, "FPRF");
1891 avio_wb32(pb, 0x0); /* ? */
1892 avio_wb32(pb, 0x0); /* ? */
1893 avio_wb32(pb, 0x0); /* ? */
1895 avio_wb32(pb, 0x2c); /* size */
1896 ffio_wfourcc(pb, "APRF");/* audio */
1898 avio_wb32(pb, 0x2); /* TrackID */
1899 ffio_wfourcc(pb, "mp4a");
1900 avio_wb32(pb, 0x20f);
1902 avio_wb32(pb, audio_kbitrate);
1903 avio_wb32(pb, audio_kbitrate);
1904 avio_wb32(pb, AudioRate);
1905 avio_wb32(pb, AudioCodec->channels);
1907 avio_wb32(pb, 0x34); /* size */
1908 ffio_wfourcc(pb, "VPRF"); /* video */
1910 avio_wb32(pb, 0x1); /* TrackID */
1911 if (VideoCodec->codec_id == CODEC_ID_H264) {
1912 ffio_wfourcc(pb, "avc1");
1913 avio_wb16(pb, 0x014D);
1914 avio_wb16(pb, 0x0015);
1916 ffio_wfourcc(pb, "mp4v");
1917 avio_wb16(pb, 0x0000);
1918 avio_wb16(pb, 0x0103);
1921 avio_wb32(pb, video_kbitrate);
1922 avio_wb32(pb, video_kbitrate);
1923 avio_wb32(pb, FrameRate);
1924 avio_wb32(pb, FrameRate);
1925 avio_wb16(pb, VideoCodec->width);
1926 avio_wb16(pb, VideoCodec->height);
1927 avio_wb32(pb, 0x010001); /* ? */
1930 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
1933 int i, closed_gop = 0;
1935 for (i = 0; i < pkt->size - 4; i++) {
1936 c = (c<<8) + pkt->data[i];
1937 if (c == 0x1b8) { // gop
1938 closed_gop = pkt->data[i+4]>>6 & 0x01;
1939 } else if (c == 0x100) { // pic
1940 int temp_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
1941 if (!temp_ref || closed_gop) // I picture is not reordered
1942 *flags = MOV_SYNC_SAMPLE;
1944 *flags = MOV_PARTIAL_SYNC_SAMPLE;
1951 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
1953 MOVMuxContext *mov = s->priv_data;
1954 AVIOContext *pb = s->pb;
1955 MOVTrack *trk = &mov->tracks[pkt->stream_index];
1956 AVCodecContext *enc = trk->enc;
1957 unsigned int samplesInChunk = 0;
1958 int size= pkt->size;
1960 if (!s->pb->seekable) return 0; /* Can't handle that */
1961 if (!size) return 0; /* Discard 0 sized packets */
1963 if (enc->codec_id == CODEC_ID_AMR_NB) {
1964 /* We must find out how many AMR blocks there are in one packet */
1965 static uint16_t packed_size[16] =
1966 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 0};
1969 while (len < size && samplesInChunk < 100) {
1970 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
1973 if(samplesInChunk > 1){
1974 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
1977 } else if (enc->codec_id == CODEC_ID_ADPCM_MS ||
1978 enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
1979 samplesInChunk = enc->frame_size;
1980 } else if (trk->sampleSize)
1981 samplesInChunk = size/trk->sampleSize;
1985 /* copy extradata if it exists */
1986 if (trk->vosLen == 0 && enc->extradata_size > 0) {
1987 trk->vosLen = enc->extradata_size;
1988 trk->vosData = av_malloc(trk->vosLen);
1989 memcpy(trk->vosData, enc->extradata, trk->vosLen);
1992 if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) {
1993 /* from x264 or from bytestream h264 */
1994 /* nal reformating needed */
1995 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
1996 } else if (enc->codec_id == CODEC_ID_AAC && pkt->size > 2 &&
1997 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
1998 av_log(s, AV_LOG_ERROR, "malformated aac bitstream, use -absf aac_adtstoasc\n");
2001 avio_write(pb, pkt->data, size);
2004 if ((enc->codec_id == CODEC_ID_DNXHD ||
2005 enc->codec_id == CODEC_ID_AC3) && !trk->vosLen) {
2006 /* copy frame to create needed atoms */
2008 trk->vosData = av_malloc(size);
2010 return AVERROR(ENOMEM);
2011 memcpy(trk->vosData, pkt->data, size);
2014 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
2015 trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster));
2020 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
2021 trk->cluster[trk->entry].samplesInChunk = samplesInChunk;
2022 trk->cluster[trk->entry].size = size;
2023 trk->cluster[trk->entry].entries = samplesInChunk;
2024 trk->cluster[trk->entry].dts = pkt->dts;
2025 trk->trackDuration = pkt->dts - trk->cluster[0].dts + pkt->duration;
2027 if (pkt->pts == AV_NOPTS_VALUE) {
2028 av_log(s, AV_LOG_WARNING, "pts has no value\n");
2029 pkt->pts = pkt->dts;
2031 if (pkt->dts != pkt->pts)
2032 trk->flags |= MOV_TRACK_CTTS;
2033 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
2034 trk->cluster[trk->entry].flags = 0;
2035 if (pkt->flags & AV_PKT_FLAG_KEY) {
2036 if (mov->mode == MODE_MOV && enc->codec_id == CODEC_ID_MPEG2VIDEO &&
2037 trk->entry > 0) { // force sync sample for the first key frame
2038 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
2039 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
2040 trk->flags |= MOV_TRACK_STPS;
2042 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
2044 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
2045 trk->hasKeyframes++;
2048 trk->sampleCount += samplesInChunk;
2049 mov->mdat_size += size;
2053 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
2054 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry);
2058 // QuickTime chapters involve an additional text track with the chapter names
2059 // as samples, and a tref pointing from the other tracks to the chapter one.
2060 static void mov_create_chapter_track(AVFormatContext *s, int tracknum)
2062 MOVMuxContext *mov = s->priv_data;
2063 MOVTrack *track = &mov->tracks[tracknum];
2064 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
2067 track->mode = mov->mode;
2068 track->tag = MKTAG('t','e','x','t');
2069 track->timescale = MOV_TIMESCALE;
2070 track->enc = avcodec_alloc_context();
2071 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
2073 for (i = 0; i < s->nb_chapters; i++) {
2074 AVChapter *c = s->chapters[i];
2077 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
2078 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
2079 pkt.duration = end - pkt.dts;
2081 if ((t = av_metadata_get(c->metadata, "title", NULL, 0))) {
2082 len = strlen(t->value);
2084 pkt.data = av_malloc(pkt.size);
2085 AV_WB16(pkt.data, len);
2086 memcpy(pkt.data+2, t->value, len);
2087 ff_mov_write_packet(s, &pkt);
2088 av_freep(&pkt.data);
2093 static int mov_write_header(AVFormatContext *s)
2095 AVIOContext *pb = s->pb;
2096 MOVMuxContext *mov = s->priv_data;
2097 int i, hint_track = 0;
2099 if (!s->pb->seekable) {
2100 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
2104 /* Default mode == MP4 */
2105 mov->mode = MODE_MP4;
2107 if (s->oformat != NULL) {
2108 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
2109 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
2110 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
2111 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
2112 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
2114 mov_write_ftyp_tag(pb,s);
2115 if (mov->mode == MODE_PSP) {
2116 if (s->nb_streams != 2) {
2117 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
2120 mov_write_uuidprof_tag(pb,s);
2124 mov->nb_streams = s->nb_streams;
2125 if (mov->mode & (MODE_MOV|MODE_IPOD) && s->nb_chapters)
2126 mov->chapter_track = mov->nb_streams++;
2128 if (s->flags & AVFMT_FLAG_RTP_HINT) {
2129 /* Add hint tracks for each audio and video stream */
2130 hint_track = mov->nb_streams;
2131 for (i = 0; i < s->nb_streams; i++) {
2132 AVStream *st = s->streams[i];
2133 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2134 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
2140 mov->tracks = av_mallocz(mov->nb_streams*sizeof(*mov->tracks));
2142 return AVERROR(ENOMEM);
2144 for(i=0; i<s->nb_streams; i++){
2145 AVStream *st= s->streams[i];
2146 MOVTrack *track= &mov->tracks[i];
2147 AVMetadataTag *lang = av_metadata_get(st->metadata, "language", NULL,0);
2149 track->enc = st->codec;
2150 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
2151 if (track->language < 0)
2152 track->language = 0;
2153 track->mode = mov->mode;
2154 track->tag = mov_find_codec_tag(s, track);
2156 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
2157 "codec not currently supported in container\n", i);
2160 /* If hinting of this track is enabled by a later hint track,
2161 * this is updated. */
2162 track->hint_track = -1;
2163 if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
2164 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
2165 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
2166 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
2167 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
2168 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
2171 track->height = track->tag>>24 == 'n' ? 486 : 576;
2173 track->timescale = st->codec->time_base.den;
2174 if (track->mode == MODE_MOV && track->timescale > 100000)
2175 av_log(s, AV_LOG_WARNING,
2176 "WARNING codec timebase is very high. If duration is too long,\n"
2177 "file may not be playable by quicktime. Specify a shorter timebase\n"
2178 "or choose different container.\n");
2179 }else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
2180 track->timescale = st->codec->sample_rate;
2181 if(!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
2182 av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
2184 }else if(st->codec->codec_id == CODEC_ID_ADPCM_MS ||
2185 st->codec->codec_id == CODEC_ID_ADPCM_IMA_WAV){
2186 if (!st->codec->block_align) {
2187 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
2190 track->sampleSize = st->codec->block_align;
2191 }else if(st->codec->frame_size > 1){ /* assume compressed audio */
2192 track->audio_vbr = 1;
2194 st->codec->frame_size = 1;
2195 track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
2197 if (track->mode != MODE_MOV) {
2198 if (track->timescale > UINT16_MAX) {
2199 av_log(s, AV_LOG_ERROR, "track %d: output format does not support "
2200 "sample rate %dhz\n", i, track->timescale);
2203 if (track->enc->codec_id == CODEC_ID_MP3 && track->timescale < 16000) {
2204 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
2205 i, track->enc->sample_rate);
2209 }else if(st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE){
2210 track->timescale = st->codec->time_base.den;
2213 track->height = st->codec->height;
2215 av_set_pts_info(st, 64, 1, track->timescale);
2218 mov_write_mdat_tag(pb, mov);
2219 mov->time = s->timestamp + 0x7C25B080; //1970 based -> 1904 based
2221 if (mov->chapter_track)
2222 mov_create_chapter_track(s, mov->chapter_track);
2224 if (s->flags & AVFMT_FLAG_RTP_HINT) {
2225 /* Initialize the hint tracks for each audio and video stream */
2226 for (i = 0; i < s->nb_streams; i++) {
2227 AVStream *st = s->streams[i];
2228 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2229 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
2230 ff_mov_init_hinting(s, hint_track, i);
2240 av_freep(&mov->tracks);
2244 static int mov_write_trailer(AVFormatContext *s)
2246 MOVMuxContext *mov = s->priv_data;
2247 AVIOContext *pb = s->pb;
2251 int64_t moov_pos = avio_tell(pb);
2253 /* Write size of mdat tag */
2254 if (mov->mdat_size+8 <= UINT32_MAX) {
2255 avio_seek(pb, mov->mdat_pos, SEEK_SET);
2256 avio_wb32(pb, mov->mdat_size+8);
2258 /* overwrite 'wide' placeholder atom */
2259 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
2260 avio_wb32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */
2261 ffio_wfourcc(pb, "mdat");
2262 avio_wb64(pb, mov->mdat_size+16);
2264 avio_seek(pb, moov_pos, SEEK_SET);
2266 mov_write_moov_tag(pb, mov, s);
2268 if (mov->chapter_track)
2269 av_freep(&mov->tracks[mov->chapter_track].enc);
2271 for (i=0; i<mov->nb_streams; i++) {
2272 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
2273 ff_mov_close_hinting(&mov->tracks[i]);
2274 av_freep(&mov->tracks[i].cluster);
2276 if(mov->tracks[i].vosLen) av_free(mov->tracks[i].vosData);
2282 av_freep(&mov->tracks);
2287 #if CONFIG_MOV_MUXER
2288 AVOutputFormat ff_mov_muxer = {
2290 NULL_IF_CONFIG_SMALL("MOV format"),
2293 sizeof(MOVMuxContext),
2297 ff_mov_write_packet,
2299 .flags = AVFMT_GLOBALHEADER,
2300 .codec_tag = (const AVCodecTag* const []){codec_movvideo_tags, codec_movaudio_tags, 0},
2303 #if CONFIG_TGP_MUXER
2304 AVOutputFormat ff_tgp_muxer = {
2306 NULL_IF_CONFIG_SMALL("3GP format"),
2309 sizeof(MOVMuxContext),
2313 ff_mov_write_packet,
2315 .flags = AVFMT_GLOBALHEADER,
2316 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
2319 #if CONFIG_MP4_MUXER
2320 AVOutputFormat ff_mp4_muxer = {
2322 NULL_IF_CONFIG_SMALL("MP4 format"),
2325 sizeof(MOVMuxContext),
2329 ff_mov_write_packet,
2331 .flags = AVFMT_GLOBALHEADER,
2332 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
2335 #if CONFIG_PSP_MUXER
2336 AVOutputFormat ff_psp_muxer = {
2338 NULL_IF_CONFIG_SMALL("PSP MP4 format"),
2341 sizeof(MOVMuxContext),
2345 ff_mov_write_packet,
2347 .flags = AVFMT_GLOBALHEADER,
2348 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
2351 #if CONFIG_TG2_MUXER
2352 AVOutputFormat ff_tg2_muxer = {
2354 NULL_IF_CONFIG_SMALL("3GP2 format"),
2357 sizeof(MOVMuxContext),
2361 ff_mov_write_packet,
2363 .flags = AVFMT_GLOBALHEADER,
2364 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
2367 #if CONFIG_IPOD_MUXER
2368 AVOutputFormat ff_ipod_muxer = {
2370 NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"),
2373 sizeof(MOVMuxContext),
2377 ff_mov_write_packet,
2379 .flags = AVFMT_GLOBALHEADER,
2380 .codec_tag = (const AVCodecTag* const []){codec_ipod_tags, 0},