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 unsigned int descrLength(unsigned int len)
244 for(i=1; len>>(7*i); i++);
248 static void putDescr(AVIOContext *pb, int tag, unsigned int size)
250 int i= descrLength(size) - size - 2;
253 avio_w8(pb, (size>>(7*i)) | 0x80);
254 avio_w8(pb, size & 0x7F);
257 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
259 int64_t pos = avio_tell(pb);
260 int decoderSpecificInfoLen = track->vosLen ? descrLength(track->vosLen):0;
262 avio_wb32(pb, 0); // size
263 ffio_wfourcc(pb, "esds");
264 avio_wb32(pb, 0); // Version
267 putDescr(pb, 0x03, 3 + descrLength(13 + decoderSpecificInfoLen) +
269 avio_wb16(pb, track->trackID);
270 avio_w8(pb, 0x00); // flags (= no flags)
272 // DecoderConfig descriptor
273 putDescr(pb, 0x04, 13 + decoderSpecificInfoLen);
275 // Object type indication
276 if ((track->enc->codec_id == CODEC_ID_MP2 ||
277 track->enc->codec_id == CODEC_ID_MP3) &&
278 track->enc->sample_rate > 24000)
279 avio_w8(pb, 0x6B); // 11172-3
281 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
283 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
284 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
285 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
286 avio_w8(pb, 0x15); // flags (= Audiostream)
288 avio_w8(pb, 0x11); // flags (= Visualstream)
290 avio_w8(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits)
291 avio_wb16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB
293 avio_wb32(pb, FFMAX(track->enc->bit_rate, track->enc->rc_max_rate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
294 if(track->enc->rc_max_rate != track->enc->rc_min_rate || track->enc->rc_min_rate==0)
295 avio_wb32(pb, 0); // vbr
297 avio_wb32(pb, track->enc->rc_max_rate); // avg bitrate
300 // DecoderSpecific info descriptor
301 putDescr(pb, 0x05, track->vosLen);
302 avio_write(pb, track->vosData, track->vosLen);
306 putDescr(pb, 0x06, 1);
308 return updateSize(pb, pos);
311 static int mov_pcm_le_gt16(enum CodecID codec_id)
313 return codec_id == CODEC_ID_PCM_S24LE ||
314 codec_id == CODEC_ID_PCM_S32LE ||
315 codec_id == CODEC_ID_PCM_F32LE ||
316 codec_id == CODEC_ID_PCM_F64LE;
319 static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
321 int64_t pos = avio_tell(pb);
323 avio_wl32(pb, track->tag); // store it byteswapped
324 track->enc->codec_tag = av_bswap16(track->tag >> 16);
325 ff_put_wav_header(pb, track->enc);
326 return updateSize(pb, pos);
329 static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
331 int64_t pos = avio_tell(pb);
333 avio_wb32(pb, 0); /* size */
334 ffio_wfourcc(pb, "wave");
336 avio_wb32(pb, 12); /* size */
337 ffio_wfourcc(pb, "frma");
338 avio_wl32(pb, track->tag);
340 if (track->enc->codec_id == CODEC_ID_AAC) {
341 /* useless atom needed by mplayer, ipod, not needed by quicktime */
342 avio_wb32(pb, 12); /* size */
343 ffio_wfourcc(pb, "mp4a");
345 mov_write_esds_tag(pb, track);
346 } else if (mov_pcm_le_gt16(track->enc->codec_id)) {
347 mov_write_enda_tag(pb);
348 } else if (track->enc->codec_id == CODEC_ID_AMR_NB) {
349 mov_write_amr_tag(pb, track);
350 } else if (track->enc->codec_id == CODEC_ID_AC3) {
351 mov_write_ac3_tag(pb, track);
352 } else if (track->enc->codec_id == CODEC_ID_ALAC) {
353 mov_write_extradata_tag(pb, track);
354 } else if (track->enc->codec_id == CODEC_ID_ADPCM_MS ||
355 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
356 mov_write_ms_tag(pb, track);
359 avio_wb32(pb, 8); /* size */
360 avio_wb32(pb, 0); /* null tag */
362 return updateSize(pb, pos);
365 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
367 avio_wb32(pb, track->vosLen+8);
368 ffio_wfourcc(pb, "glbl");
369 avio_write(pb, track->vosData, track->vosLen);
370 return 8+track->vosLen;
374 * Compute flags for 'lpcm' tag.
375 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
377 static int mov_get_lpcm_flags(enum CodecID codec_id)
380 case CODEC_ID_PCM_F32BE:
381 case CODEC_ID_PCM_F64BE:
383 case CODEC_ID_PCM_F32LE:
384 case CODEC_ID_PCM_F64LE:
386 case CODEC_ID_PCM_U8:
388 case CODEC_ID_PCM_S16BE:
389 case CODEC_ID_PCM_S24BE:
390 case CODEC_ID_PCM_S32BE:
392 case CODEC_ID_PCM_S8:
393 case CODEC_ID_PCM_S16LE:
394 case CODEC_ID_PCM_S24LE:
395 case CODEC_ID_PCM_S32LE:
402 static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
404 int64_t pos = avio_tell(pb);
406 uint32_t tag = track->tag;
408 if (track->mode == MODE_MOV) {
409 if (track->timescale > UINT16_MAX) {
410 if (mov_get_lpcm_flags(track->enc->codec_id))
411 tag = AV_RL32("lpcm");
413 } else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id) ||
414 track->enc->codec_id == CODEC_ID_ADPCM_MS ||
415 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
420 avio_wb32(pb, 0); /* size */
421 avio_wl32(pb, tag); // store it byteswapped
422 avio_wb32(pb, 0); /* Reserved */
423 avio_wb16(pb, 0); /* Reserved */
424 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
426 /* SoundDescription */
427 avio_wb16(pb, version); /* Version */
428 avio_wb16(pb, 0); /* Revision level */
429 avio_wb32(pb, 0); /* Reserved */
434 avio_wb16(pb, 0xfffe);
436 avio_wb32(pb, 0x00010000);
438 avio_wb64(pb, av_dbl2int(track->timescale));
439 avio_wb32(pb, track->enc->channels);
440 avio_wb32(pb, 0x7F000000);
441 avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
442 avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
443 avio_wb32(pb, track->sampleSize);
444 avio_wb32(pb, track->enc->frame_size);
446 if (track->mode == MODE_MOV) {
447 avio_wb16(pb, track->enc->channels);
448 if (track->enc->codec_id == CODEC_ID_PCM_U8 ||
449 track->enc->codec_id == CODEC_ID_PCM_S8)
450 avio_wb16(pb, 8); /* bits per sample */
453 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
454 } else { /* reserved for mp4/3gp */
460 avio_wb16(pb, 0); /* packet size (= 0) */
461 avio_wb16(pb, track->timescale); /* Time scale */
462 avio_wb16(pb, 0); /* Reserved */
465 if(version == 1) { /* SoundDescription V1 extended info */
466 avio_wb32(pb, track->enc->frame_size); /* Samples per packet */
467 avio_wb32(pb, track->sampleSize / track->enc->channels); /* Bytes per packet */
468 avio_wb32(pb, track->sampleSize); /* Bytes per frame */
469 avio_wb32(pb, 2); /* Bytes per sample */
472 if(track->mode == MODE_MOV &&
473 (track->enc->codec_id == CODEC_ID_AAC ||
474 track->enc->codec_id == CODEC_ID_AC3 ||
475 track->enc->codec_id == CODEC_ID_AMR_NB ||
476 track->enc->codec_id == CODEC_ID_ALAC ||
477 track->enc->codec_id == CODEC_ID_ADPCM_MS ||
478 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV ||
479 mov_pcm_le_gt16(track->enc->codec_id)))
480 mov_write_wave_tag(pb, track);
481 else if(track->tag == MKTAG('m','p','4','a'))
482 mov_write_esds_tag(pb, track);
483 else if(track->enc->codec_id == CODEC_ID_AMR_NB)
484 mov_write_amr_tag(pb, track);
485 else if(track->enc->codec_id == CODEC_ID_AC3)
486 mov_write_ac3_tag(pb, track);
487 else if(track->enc->codec_id == CODEC_ID_ALAC)
488 mov_write_extradata_tag(pb, track);
489 else if(track->vosLen > 0)
490 mov_write_glbl_tag(pb, track);
492 return updateSize(pb, pos);
495 static int mov_write_d263_tag(AVIOContext *pb)
497 avio_wb32(pb, 0xf); /* size */
498 ffio_wfourcc(pb, "d263");
499 ffio_wfourcc(pb, "FFMP");
500 avio_w8(pb, 0); /* decoder version */
501 /* FIXME use AVCodecContext level/profile, when encoder will set values */
502 avio_w8(pb, 0xa); /* level */
503 avio_w8(pb, 0); /* profile */
507 /* TODO: No idea about these values */
508 static int mov_write_svq3_tag(AVIOContext *pb)
511 ffio_wfourcc(pb, "SMI ");
512 ffio_wfourcc(pb, "SEQH");
514 avio_wb32(pb, 0xe2c0211d);
515 avio_wb32(pb, 0xc0000000);
520 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
522 int64_t pos = avio_tell(pb);
525 ffio_wfourcc(pb, "avcC");
526 ff_isom_write_avcc(pb, track->vosData, track->vosLen);
527 return updateSize(pb, pos);
530 /* also used by all avid codecs (dv, imx, meridien) and their variants */
531 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
534 avio_wb32(pb, 24); /* size */
535 ffio_wfourcc(pb, "ACLR");
536 ffio_wfourcc(pb, "ACLR");
537 ffio_wfourcc(pb, "0001");
538 avio_wb32(pb, 1); /* yuv 1 / rgb 2 ? */
539 avio_wb32(pb, 0); /* unknown */
541 avio_wb32(pb, 24); /* size */
542 ffio_wfourcc(pb, "APRG");
543 ffio_wfourcc(pb, "APRG");
544 ffio_wfourcc(pb, "0001");
545 avio_wb32(pb, 1); /* unknown */
546 avio_wb32(pb, 0); /* unknown */
548 avio_wb32(pb, 120); /* size */
549 ffio_wfourcc(pb, "ARES");
550 ffio_wfourcc(pb, "ARES");
551 ffio_wfourcc(pb, "0001");
552 avio_wb32(pb, AV_RB32(track->vosData + 0x28)); /* dnxhd cid, some id ? */
553 avio_wb32(pb, track->enc->width);
554 /* values below are based on samples created with quicktime and avid codecs */
555 if (track->vosData[5] & 2) { // interlaced
556 avio_wb32(pb, track->enc->height/2);
557 avio_wb32(pb, 2); /* unknown */
558 avio_wb32(pb, 0); /* unknown */
559 avio_wb32(pb, 4); /* unknown */
561 avio_wb32(pb, track->enc->height);
562 avio_wb32(pb, 1); /* unknown */
563 avio_wb32(pb, 0); /* unknown */
564 if (track->enc->height == 1080)
565 avio_wb32(pb, 5); /* unknown */
567 avio_wb32(pb, 6); /* unknown */
570 for (i = 0; i < 10; i++)
573 /* extra padding for stsd needed */
578 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
580 int tag = track->enc->codec_tag;
582 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
585 if (track->enc->codec_id == CODEC_ID_H264) tag = MKTAG('a','v','c','1');
586 else if (track->enc->codec_id == CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
587 else if (track->enc->codec_id == CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
588 else if (track->enc->codec_id == CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
589 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
590 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
595 static const AVCodecTag codec_ipod_tags[] = {
596 { CODEC_ID_H264, MKTAG('a','v','c','1') },
597 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
598 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
599 { CODEC_ID_ALAC, MKTAG('a','l','a','c') },
600 { CODEC_ID_AC3, MKTAG('a','c','-','3') },
601 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
602 { CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
603 { CODEC_ID_NONE, 0 },
606 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
608 int tag = track->enc->codec_tag;
610 // keep original tag for subs, ipod supports both formats
611 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
612 (tag == MKTAG('t','x','3','g') ||
613 tag == MKTAG('t','e','x','t'))))
614 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
616 if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v"))
617 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
618 "Quicktime/Ipod might not play the file\n");
623 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
627 if (track->enc->width == 720) /* SD */
628 if (track->enc->height == 480) /* NTSC */
629 if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
630 else tag = MKTAG('d','v','c',' ');
631 else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
632 else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
633 else tag = MKTAG('d','v','p','p');
634 else if (track->enc->height == 720) /* HD 720 line */
635 if (track->enc->time_base.den == 50) tag = MKTAG('d','v','h','q');
636 else tag = MKTAG('d','v','h','p');
637 else if (track->enc->height == 1080) /* HD 1080 line */
638 if (track->enc->time_base.den == 25) tag = MKTAG('d','v','h','5');
639 else tag = MKTAG('d','v','h','6');
641 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
648 static const struct {
649 enum PixelFormat pix_fmt;
652 } mov_pix_fmt_tags[] = {
653 { PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
654 { PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
655 { PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
656 { PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
657 { PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
658 { PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
659 { PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
660 { PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
661 { PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
662 { PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
663 { PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
664 { PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
665 { PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
666 { PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
669 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
671 int tag = track->enc->codec_tag;
674 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
675 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
676 tag = mov_pix_fmt_tags[i].tag;
677 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
685 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
687 int tag = track->enc->codec_tag;
689 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
690 (track->enc->codec_id == CODEC_ID_DVVIDEO ||
691 track->enc->codec_id == CODEC_ID_RAWVIDEO ||
692 track->enc->codec_id == CODEC_ID_H263 ||
693 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
694 if (track->enc->codec_id == CODEC_ID_DVVIDEO)
695 tag = mov_get_dv_codec_tag(s, track);
696 else if (track->enc->codec_id == CODEC_ID_RAWVIDEO)
697 tag = mov_get_rawvideo_codec_tag(s, track);
698 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
699 tag = ff_codec_get_tag(codec_movvideo_tags, track->enc->codec_id);
700 if (!tag) { // if no mac fcc found, try with Microsoft tags
701 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
703 av_log(s, AV_LOG_INFO, "Warning, using MS style video codec tag, "
704 "the file may be unplayable!\n");
706 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
707 tag = ff_codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
708 if (!tag) { // if no mac fcc found, try with Microsoft tags
709 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
711 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
712 av_log(s, AV_LOG_INFO, "Warning, using MS style audio codec tag, "
713 "the file may be unplayable!\n");
716 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
717 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
723 static const AVCodecTag codec_3gp_tags[] = {
724 { CODEC_ID_H263, MKTAG('s','2','6','3') },
725 { CODEC_ID_H264, MKTAG('a','v','c','1') },
726 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
727 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
728 { CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
729 { CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
730 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
731 { CODEC_ID_NONE, 0 },
734 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
736 int tag = track->enc->codec_tag;
738 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
739 tag = mp4_get_codec_tag(s, track);
740 else if (track->mode == MODE_IPOD)
741 tag = ipod_get_codec_tag(s, track);
742 else if (track->mode & MODE_3GP)
743 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
745 tag = mov_get_codec_tag(s, track);
751 * Needed to make file play in iPods running newest firmware
752 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
754 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
757 ffio_wfourcc(pb, "uuid");
758 avio_wb32(pb, 0x6b6840f2);
759 avio_wb32(pb, 0x5f244fc5);
760 avio_wb32(pb, 0xba39a51b);
761 avio_wb32(pb, 0xcf0323f3);
766 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
768 int64_t pos = avio_tell(pb);
769 avio_wb32(pb, 0); /* size */
770 avio_wl32(pb, track->tag); // store it byteswapped
771 avio_wb32(pb, 0); /* Reserved */
772 avio_wb16(pb, 0); /* Reserved */
773 avio_wb16(pb, 1); /* Data-reference index */
775 if (track->enc->extradata_size)
776 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
778 return updateSize(pb, pos);
781 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
784 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
785 track->enc->sample_aspect_ratio.den, INT_MAX);
788 ffio_wfourcc(pb, "pasp");
789 avio_wb32(pb, sar.num);
790 avio_wb32(pb, sar.den);
794 static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
796 int64_t pos = avio_tell(pb);
797 char compressor_name[32];
799 avio_wb32(pb, 0); /* size */
800 avio_wl32(pb, track->tag); // store it byteswapped
801 avio_wb32(pb, 0); /* Reserved */
802 avio_wb16(pb, 0); /* Reserved */
803 avio_wb16(pb, 1); /* Data-reference index */
805 avio_wb16(pb, 0); /* Codec stream version */
806 avio_wb16(pb, 0); /* Codec stream revision (=0) */
807 if (track->mode == MODE_MOV) {
808 ffio_wfourcc(pb, "FFMP"); /* Vendor */
809 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
810 avio_wb32(pb, 0); /* Temporal Quality */
811 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
813 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
814 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
817 avio_wb32(pb, 0); /* Reserved */
818 avio_wb32(pb, 0); /* Reserved */
819 avio_wb32(pb, 0); /* Reserved */
821 avio_wb16(pb, track->enc->width); /* Video width */
822 avio_wb16(pb, track->height); /* Video height */
823 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
824 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
825 avio_wb32(pb, 0); /* Data size (= 0) */
826 avio_wb16(pb, 1); /* Frame count (= 1) */
828 memset(compressor_name,0,32);
829 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
830 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
831 strncpy(compressor_name,track->enc->codec->name,31);
832 avio_w8(pb, strlen(compressor_name));
833 avio_write(pb, compressor_name, 31);
835 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
836 avio_wb16(pb, track->enc->bits_per_coded_sample);
838 avio_wb16(pb, 0x18); /* Reserved */
839 avio_wb16(pb, 0xffff); /* Reserved */
840 if(track->tag == MKTAG('m','p','4','v'))
841 mov_write_esds_tag(pb, track);
842 else if(track->enc->codec_id == CODEC_ID_H263)
843 mov_write_d263_tag(pb);
844 else if(track->enc->codec_id == CODEC_ID_SVQ3)
845 mov_write_svq3_tag(pb);
846 else if(track->enc->codec_id == CODEC_ID_DNXHD)
847 mov_write_avid_tag(pb, track);
848 else if(track->enc->codec_id == CODEC_ID_H264) {
849 mov_write_avcc_tag(pb, track);
850 if(track->mode == MODE_IPOD)
851 mov_write_uuid_tag_ipod(pb);
852 } else if(track->vosLen > 0)
853 mov_write_glbl_tag(pb, track);
855 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
856 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
857 mov_write_pasp_tag(pb, track);
860 return updateSize(pb, pos);
863 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
865 int64_t pos = avio_tell(pb);
866 avio_wb32(pb, 0); /* size */
867 ffio_wfourcc(pb, "rtp ");
868 avio_wb32(pb, 0); /* Reserved */
869 avio_wb16(pb, 0); /* Reserved */
870 avio_wb16(pb, 1); /* Data-reference index */
872 avio_wb16(pb, 1); /* Hint track version */
873 avio_wb16(pb, 1); /* Highest compatible version */
874 avio_wb32(pb, track->max_packet_size); /* Max packet size */
876 avio_wb32(pb, 12); /* size */
877 ffio_wfourcc(pb, "tims");
878 avio_wb32(pb, track->timescale);
880 return updateSize(pb, pos);
883 static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
885 int64_t pos = avio_tell(pb);
886 avio_wb32(pb, 0); /* size */
887 ffio_wfourcc(pb, "stsd");
888 avio_wb32(pb, 0); /* version & flags */
889 avio_wb32(pb, 1); /* entry count */
890 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
891 mov_write_video_tag(pb, track);
892 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
893 mov_write_audio_tag(pb, track);
894 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
895 mov_write_subtitle_tag(pb, track);
896 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
897 mov_write_rtp_tag(pb, track);
898 return updateSize(pb, pos);
901 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
903 MOVStts *ctts_entries;
904 uint32_t entries = 0;
908 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
909 ctts_entries[0].count = 1;
910 ctts_entries[0].duration = track->cluster[0].cts;
911 for (i=1; i<track->entry; i++) {
912 if (track->cluster[i].cts == ctts_entries[entries].duration) {
913 ctts_entries[entries].count++; /* compress */
916 ctts_entries[entries].duration = track->cluster[i].cts;
917 ctts_entries[entries].count = 1;
920 entries++; /* last one */
921 atom_size = 16 + (entries * 8);
922 avio_wb32(pb, atom_size); /* size */
923 ffio_wfourcc(pb, "ctts");
924 avio_wb32(pb, 0); /* version & flags */
925 avio_wb32(pb, entries); /* entry count */
926 for (i=0; i<entries; i++) {
927 avio_wb32(pb, ctts_entries[i].count);
928 avio_wb32(pb, ctts_entries[i].duration);
930 av_free(ctts_entries);
934 /* Time to sample atom */
935 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
937 MOVStts *stts_entries;
938 uint32_t entries = -1;
942 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
943 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
944 stts_entries[0].count = track->sampleCount;
945 stts_entries[0].duration = 1;
948 stts_entries = av_malloc(track->entry * sizeof(*stts_entries)); /* worst case */
949 for (i=0; i<track->entry; i++) {
950 int64_t duration = i + 1 == track->entry ?
951 track->trackDuration - track->cluster[i].dts + track->cluster[0].dts : /* readjusting */
952 track->cluster[i+1].dts - track->cluster[i].dts;
953 if (i && duration == stts_entries[entries].duration) {
954 stts_entries[entries].count++; /* compress */
957 stts_entries[entries].duration = duration;
958 stts_entries[entries].count = 1;
961 entries++; /* last one */
963 atom_size = 16 + (entries * 8);
964 avio_wb32(pb, atom_size); /* size */
965 ffio_wfourcc(pb, "stts");
966 avio_wb32(pb, 0); /* version & flags */
967 avio_wb32(pb, entries); /* entry count */
968 for (i=0; i<entries; i++) {
969 avio_wb32(pb, stts_entries[i].count);
970 avio_wb32(pb, stts_entries[i].duration);
972 av_free(stts_entries);
976 static int mov_write_dref_tag(AVIOContext *pb)
978 avio_wb32(pb, 28); /* size */
979 ffio_wfourcc(pb, "dref");
980 avio_wb32(pb, 0); /* version & flags */
981 avio_wb32(pb, 1); /* entry count */
983 avio_wb32(pb, 0xc); /* size */
984 ffio_wfourcc(pb, "url ");
985 avio_wb32(pb, 1); /* version & flags */
990 static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
992 int64_t pos = avio_tell(pb);
993 avio_wb32(pb, 0); /* size */
994 ffio_wfourcc(pb, "stbl");
995 mov_write_stsd_tag(pb, track);
996 mov_write_stts_tag(pb, track);
997 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
998 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
999 track->hasKeyframes && track->hasKeyframes < track->entry)
1000 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1001 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1002 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
1003 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1004 track->flags & MOV_TRACK_CTTS)
1005 mov_write_ctts_tag(pb, track);
1006 mov_write_stsc_tag(pb, track);
1007 mov_write_stsz_tag(pb, track);
1008 mov_write_stco_tag(pb, track);
1009 return updateSize(pb, pos);
1012 static int mov_write_dinf_tag(AVIOContext *pb)
1014 int64_t pos = avio_tell(pb);
1015 avio_wb32(pb, 0); /* size */
1016 ffio_wfourcc(pb, "dinf");
1017 mov_write_dref_tag(pb);
1018 return updateSize(pb, pos);
1021 static int mov_write_nmhd_tag(AVIOContext *pb)
1024 ffio_wfourcc(pb, "nmhd");
1029 static int mov_write_gmhd_tag(AVIOContext *pb)
1031 avio_wb32(pb, 0x20); /* size */
1032 ffio_wfourcc(pb, "gmhd");
1033 avio_wb32(pb, 0x18); /* gmin size */
1034 ffio_wfourcc(pb, "gmin");/* generic media info */
1035 avio_wb32(pb, 0); /* version & flags */
1036 avio_wb16(pb, 0x40); /* graphics mode = */
1037 avio_wb16(pb, 0x8000); /* opColor (r?) */
1038 avio_wb16(pb, 0x8000); /* opColor (g?) */
1039 avio_wb16(pb, 0x8000); /* opColor (b?) */
1040 avio_wb16(pb, 0); /* balance */
1041 avio_wb16(pb, 0); /* reserved */
1045 static int mov_write_smhd_tag(AVIOContext *pb)
1047 avio_wb32(pb, 16); /* size */
1048 ffio_wfourcc(pb, "smhd");
1049 avio_wb32(pb, 0); /* version & flags */
1050 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1051 avio_wb16(pb, 0); /* reserved */
1055 static int mov_write_vmhd_tag(AVIOContext *pb)
1057 avio_wb32(pb, 0x14); /* size (always 0x14) */
1058 ffio_wfourcc(pb, "vmhd");
1059 avio_wb32(pb, 0x01); /* version & flags */
1060 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
1064 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
1066 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1067 int64_t pos = avio_tell(pb);
1069 if (!track) { /* no media --> data handler */
1072 descr = "DataHandler";
1074 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1075 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1077 descr = "VideoHandler";
1078 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1080 descr = "SoundHandler";
1081 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1082 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
1083 else hdlr_type = "text";
1084 descr = "SubtitleHandler";
1085 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1087 descr = "HintHandler";
1091 avio_wb32(pb, 0); /* size */
1092 ffio_wfourcc(pb, "hdlr");
1093 avio_wb32(pb, 0); /* Version & flags */
1094 avio_write(pb, hdlr, 4); /* handler */
1095 ffio_wfourcc(pb, hdlr_type); /* handler type */
1096 avio_wb32(pb ,0); /* reserved */
1097 avio_wb32(pb ,0); /* reserved */
1098 avio_wb32(pb ,0); /* reserved */
1099 if (!track || track->mode == MODE_MOV)
1100 avio_w8(pb, strlen(descr)); /* pascal string */
1101 avio_write(pb, descr, strlen(descr)); /* handler description */
1102 if (track && track->mode != MODE_MOV)
1103 avio_w8(pb, 0); /* c string */
1104 return updateSize(pb, pos);
1107 static int mov_write_hmhd_tag(AVIOContext *pb)
1109 /* This atom must be present, but leaving the values at zero
1110 * seems harmless. */
1111 avio_wb32(pb, 28); /* size */
1112 ffio_wfourcc(pb, "hmhd");
1113 avio_wb32(pb, 0); /* version, flags */
1114 avio_wb16(pb, 0); /* maxPDUsize */
1115 avio_wb16(pb, 0); /* avgPDUsize */
1116 avio_wb32(pb, 0); /* maxbitrate */
1117 avio_wb32(pb, 0); /* avgbitrate */
1118 avio_wb32(pb, 0); /* reserved */
1122 static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
1124 int64_t pos = avio_tell(pb);
1125 avio_wb32(pb, 0); /* size */
1126 ffio_wfourcc(pb, "minf");
1127 if(track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1128 mov_write_vmhd_tag(pb);
1129 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1130 mov_write_smhd_tag(pb);
1131 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1132 if (track->tag == MKTAG('t','e','x','t')) mov_write_gmhd_tag(pb);
1133 else mov_write_nmhd_tag(pb);
1134 } else if (track->tag == MKTAG('r','t','p',' ')) {
1135 mov_write_hmhd_tag(pb);
1137 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1138 mov_write_hdlr_tag(pb, NULL);
1139 mov_write_dinf_tag(pb);
1140 mov_write_stbl_tag(pb, track);
1141 return updateSize(pb, pos);
1144 static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track)
1146 int version = track->trackDuration < INT32_MAX ? 0 : 1;
1148 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
1149 ffio_wfourcc(pb, "mdhd");
1150 avio_w8(pb, version);
1151 avio_wb24(pb, 0); /* flags */
1153 avio_wb64(pb, track->time);
1154 avio_wb64(pb, track->time);
1156 avio_wb32(pb, track->time); /* creation time */
1157 avio_wb32(pb, track->time); /* modification time */
1159 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
1160 (version == 1) ? avio_wb64(pb, track->trackDuration) : avio_wb32(pb, track->trackDuration); /* duration */
1161 avio_wb16(pb, track->language); /* language */
1162 avio_wb16(pb, 0); /* reserved (quality) */
1164 if(version!=0 && track->mode == MODE_MOV){
1165 av_log(NULL, AV_LOG_ERROR,
1166 "FATAL error, file duration too long for timebase, this file will not be\n"
1167 "playable with quicktime. Choose a different timebase or a different\n"
1168 "container format\n");
1174 static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track)
1176 int64_t pos = avio_tell(pb);
1177 avio_wb32(pb, 0); /* size */
1178 ffio_wfourcc(pb, "mdia");
1179 mov_write_mdhd_tag(pb, track);
1180 mov_write_hdlr_tag(pb, track);
1181 mov_write_minf_tag(pb, track);
1182 return updateSize(pb, pos);
1185 static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1187 int64_t duration = av_rescale_rnd(track->trackDuration, MOV_TIMESCALE,
1188 track->timescale, AV_ROUND_UP);
1189 int version = duration < INT32_MAX ? 0 : 1;
1191 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
1192 ffio_wfourcc(pb, "tkhd");
1193 avio_w8(pb, version);
1194 avio_wb24(pb, 0xf); /* flags (track enabled) */
1196 avio_wb64(pb, track->time);
1197 avio_wb64(pb, track->time);
1199 avio_wb32(pb, track->time); /* creation time */
1200 avio_wb32(pb, track->time); /* modification time */
1202 avio_wb32(pb, track->trackID); /* track-id */
1203 avio_wb32(pb, 0); /* reserved */
1204 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
1206 avio_wb32(pb, 0); /* reserved */
1207 avio_wb32(pb, 0); /* reserved */
1208 avio_wb32(pb, 0x0); /* reserved (Layer & Alternate group) */
1209 /* Volume, only for audio */
1210 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1211 avio_wb16(pb, 0x0100);
1214 avio_wb16(pb, 0); /* reserved */
1216 /* Matrix structure */
1217 avio_wb32(pb, 0x00010000); /* reserved */
1218 avio_wb32(pb, 0x0); /* reserved */
1219 avio_wb32(pb, 0x0); /* reserved */
1220 avio_wb32(pb, 0x0); /* reserved */
1221 avio_wb32(pb, 0x00010000); /* reserved */
1222 avio_wb32(pb, 0x0); /* reserved */
1223 avio_wb32(pb, 0x0); /* reserved */
1224 avio_wb32(pb, 0x0); /* reserved */
1225 avio_wb32(pb, 0x40000000); /* reserved */
1227 /* Track width and height, for visual only */
1228 if(st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1229 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
1230 if(track->mode == MODE_MOV) {
1231 avio_wb32(pb, track->enc->width << 16);
1232 avio_wb32(pb, track->height << 16);
1234 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1235 if(!sample_aspect_ratio || track->height != track->enc->height)
1236 sample_aspect_ratio = 1;
1237 avio_wb32(pb, sample_aspect_ratio * track->enc->width*0x10000);
1238 avio_wb32(pb, track->height*0x10000);
1248 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
1250 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
1251 track->enc->sample_aspect_ratio.den);
1253 int64_t pos = avio_tell(pb);
1255 avio_wb32(pb, 0); /* size */
1256 ffio_wfourcc(pb, "tapt");
1259 ffio_wfourcc(pb, "clef");
1261 avio_wb32(pb, width << 16);
1262 avio_wb32(pb, track->enc->height << 16);
1265 ffio_wfourcc(pb, "enof");
1267 avio_wb32(pb, track->enc->width << 16);
1268 avio_wb32(pb, track->enc->height << 16);
1270 return updateSize(pb, pos);
1273 // This box seems important for the psp playback ... without it the movie seems to hang
1274 static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track)
1276 avio_wb32(pb, 0x24); /* size */
1277 ffio_wfourcc(pb, "edts");
1278 avio_wb32(pb, 0x1c); /* size */
1279 ffio_wfourcc(pb, "elst");
1283 /* duration ... doesn't seem to effect psp */
1284 avio_wb32(pb, av_rescale_rnd(track->trackDuration, MOV_TIMESCALE,
1285 track->timescale, AV_ROUND_UP));
1287 avio_wb32(pb, track->cluster[0].cts); /* first pts is cts since dts is 0 */
1288 avio_wb32(pb, 0x00010000);
1292 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
1294 avio_wb32(pb, 20); // size
1295 ffio_wfourcc(pb, "tref");
1296 avio_wb32(pb, 12); // size (subatom)
1297 avio_wl32(pb, track->tref_tag);
1298 avio_wb32(pb, track->tref_id);
1302 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1303 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
1305 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1306 ffio_wfourcc(pb, "uuid");
1307 ffio_wfourcc(pb, "USMT");
1308 avio_wb32(pb, 0x21d24fce);
1309 avio_wb32(pb, 0xbb88695c);
1310 avio_wb32(pb, 0xfac9c740);
1311 avio_wb32(pb, 0x1c); // another size here!
1312 ffio_wfourcc(pb, "MTDT");
1313 avio_wb32(pb, 0x00010012);
1314 avio_wb32(pb, 0x0a);
1315 avio_wb32(pb, 0x55c40000);
1321 static int mov_write_udta_sdp(AVIOContext *pb, AVCodecContext *ctx, int index)
1323 char buf[1000] = "";
1326 ff_sdp_write_media(buf, sizeof(buf), ctx, NULL, NULL, 0, 0);
1327 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", index);
1330 avio_wb32(pb, len + 24);
1331 ffio_wfourcc(pb, "udta");
1332 avio_wb32(pb, len + 16);
1333 ffio_wfourcc(pb, "hnti");
1334 avio_wb32(pb, len + 8);
1335 ffio_wfourcc(pb, "sdp ");
1336 avio_write(pb, buf, len);
1340 static int mov_write_trak_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1342 int64_t pos = avio_tell(pb);
1343 avio_wb32(pb, 0); /* size */
1344 ffio_wfourcc(pb, "trak");
1345 mov_write_tkhd_tag(pb, track, st);
1346 if (track->mode == MODE_PSP || track->flags & MOV_TRACK_CTTS)
1347 mov_write_edts_tag(pb, track); // PSP Movies require edts box
1348 if (track->tref_tag)
1349 mov_write_tref_tag(pb, track);
1350 mov_write_mdia_tag(pb, track);
1351 if (track->mode == MODE_PSP)
1352 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
1353 if (track->tag == MKTAG('r','t','p',' '))
1354 mov_write_udta_sdp(pb, track->rtp_ctx->streams[0]->codec, track->trackID);
1355 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && track->mode == MODE_MOV) {
1356 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1357 if (0.0 != sample_aspect_ratio && 1.0 != sample_aspect_ratio)
1358 mov_write_tapt_tag(pb, track);
1360 return updateSize(pb, pos);
1364 /* TODO: Not sorted out, but not necessary either */
1365 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
1367 avio_wb32(pb, 0x15); /* size */
1368 ffio_wfourcc(pb, "iods");
1369 avio_wb32(pb, 0); /* version & flags */
1370 avio_wb16(pb, 0x1007);
1372 avio_wb16(pb, 0x4fff);
1373 avio_wb16(pb, 0xfffe);
1374 avio_wb16(pb, 0x01ff);
1379 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
1381 int maxTrackID = 1, i;
1382 int64_t maxTrackLenTemp, maxTrackLen = 0;
1385 for (i=0; i<mov->nb_streams; i++) {
1386 if(mov->tracks[i].entry > 0) {
1387 maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration,
1389 mov->tracks[i].timescale,
1391 if(maxTrackLen < maxTrackLenTemp)
1392 maxTrackLen = maxTrackLenTemp;
1393 if(maxTrackID < mov->tracks[i].trackID)
1394 maxTrackID = mov->tracks[i].trackID;
1398 version = maxTrackLen < UINT32_MAX ? 0 : 1;
1399 (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
1400 ffio_wfourcc(pb, "mvhd");
1401 avio_w8(pb, version);
1402 avio_wb24(pb, 0); /* flags */
1404 avio_wb64(pb, mov->time);
1405 avio_wb64(pb, mov->time);
1407 avio_wb32(pb, mov->time); /* creation time */
1408 avio_wb32(pb, mov->time); /* modification time */
1410 avio_wb32(pb, MOV_TIMESCALE);
1411 (version == 1) ? avio_wb64(pb, maxTrackLen) : avio_wb32(pb, maxTrackLen); /* duration of longest track */
1413 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1414 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1415 avio_wb16(pb, 0); /* reserved */
1416 avio_wb32(pb, 0); /* reserved */
1417 avio_wb32(pb, 0); /* reserved */
1419 /* Matrix structure */
1420 avio_wb32(pb, 0x00010000); /* reserved */
1421 avio_wb32(pb, 0x0); /* reserved */
1422 avio_wb32(pb, 0x0); /* reserved */
1423 avio_wb32(pb, 0x0); /* reserved */
1424 avio_wb32(pb, 0x00010000); /* reserved */
1425 avio_wb32(pb, 0x0); /* reserved */
1426 avio_wb32(pb, 0x0); /* reserved */
1427 avio_wb32(pb, 0x0); /* reserved */
1428 avio_wb32(pb, 0x40000000); /* reserved */
1430 avio_wb32(pb, 0); /* reserved (preview time) */
1431 avio_wb32(pb, 0); /* reserved (preview duration) */
1432 avio_wb32(pb, 0); /* reserved (poster time) */
1433 avio_wb32(pb, 0); /* reserved (selection time) */
1434 avio_wb32(pb, 0); /* reserved (selection duration) */
1435 avio_wb32(pb, 0); /* reserved (current time) */
1436 avio_wb32(pb, maxTrackID+1); /* Next track id */
1440 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
1443 avio_wb32(pb, 33); /* size */
1444 ffio_wfourcc(pb, "hdlr");
1447 ffio_wfourcc(pb, "mdir");
1448 ffio_wfourcc(pb, "appl");
1455 /* helper function to write a data tag with the specified string as data */
1456 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
1459 int size = 16 + strlen(data);
1460 avio_wb32(pb, size); /* size */
1461 ffio_wfourcc(pb, "data");
1464 avio_write(pb, data, strlen(data));
1468 lang = ff_mov_iso639_to_lang("und", 1);
1469 avio_wb16(pb, strlen(data)); /* string length */
1470 avio_wb16(pb, lang);
1471 avio_write(pb, data, strlen(data));
1472 return strlen(data) + 4;
1476 static int mov_write_string_tag(AVIOContext *pb, const char *name, const char *value, int lang, int long_style){
1478 if (value && value[0]) {
1479 int64_t pos = avio_tell(pb);
1480 avio_wb32(pb, 0); /* size */
1481 ffio_wfourcc(pb, name);
1482 mov_write_string_data_tag(pb, value, lang, long_style);
1483 size= updateSize(pb, pos);
1488 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
1489 const char *name, const char *tag,
1492 int l, lang = 0, len, len2;
1493 AVMetadataTag *t, *t2 = NULL;
1496 if (!(t = av_metadata_get(s->metadata, tag, NULL, 0)))
1499 len = strlen(t->key);
1500 snprintf(tag2, sizeof(tag2), "%s-", tag);
1501 while ((t2 = av_metadata_get(s->metadata, tag2, t2, AV_METADATA_IGNORE_SUFFIX))) {
1502 len2 = strlen(t2->key);
1503 if (len2 == len+4 && !strcmp(t->value, t2->value)
1504 && (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 1)) >= 0) {
1509 return mov_write_string_tag(pb, name, t->value, lang, long_style);
1512 /* iTunes track number */
1513 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
1516 AVMetadataTag *t = av_metadata_get(s->metadata, "track", NULL, 0);
1517 int size = 0, track = t ? atoi(t->value) : 0;
1519 avio_wb32(pb, 32); /* size */
1520 ffio_wfourcc(pb, "trkn");
1521 avio_wb32(pb, 24); /* size */
1522 ffio_wfourcc(pb, "data");
1523 avio_wb32(pb, 0); // 8 bytes empty
1525 avio_wb16(pb, 0); // empty
1526 avio_wb16(pb, track); // track number
1527 avio_wb16(pb, 0); // total track number
1528 avio_wb16(pb, 0); // empty
1534 /* iTunes meta data list */
1535 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
1538 int64_t pos = avio_tell(pb);
1539 avio_wb32(pb, 0); /* size */
1540 ffio_wfourcc(pb, "ilst");
1541 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
1542 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
1543 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
1544 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
1545 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
1546 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
1547 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
1548 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
1549 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
1550 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
1551 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
1552 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
1553 mov_write_string_metadata(s, pb, "desc", "description",1);
1554 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
1555 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
1556 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
1557 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
1558 mov_write_trkn_tag(pb, mov, s);
1559 return updateSize(pb, pos);
1562 /* iTunes meta data tag */
1563 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
1567 int64_t pos = avio_tell(pb);
1568 avio_wb32(pb, 0); /* size */
1569 ffio_wfourcc(pb, "meta");
1571 mov_write_itunes_hdlr_tag(pb, mov, s);
1572 mov_write_ilst_tag(pb, mov, s);
1573 size = updateSize(pb, pos);
1577 static int utf8len(const uint8_t *b)
1582 GET_UTF8(val, *b++, return -1;)
1588 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
1592 GET_UTF8(val, *b++, return -1;)
1595 avio_wb16(pb, 0x00);
1599 static uint16_t language_code(const char *str)
1601 return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
1604 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
1605 const char *tag, const char *str)
1607 int64_t pos = avio_tell(pb);
1608 AVMetadataTag *t = av_metadata_get(s->metadata, str, NULL, 0);
1609 if (!t || !utf8len(t->value))
1611 avio_wb32(pb, 0); /* size */
1612 ffio_wfourcc(pb, tag); /* type */
1613 avio_wb32(pb, 0); /* version + flags */
1614 if (!strcmp(tag, "yrrc"))
1615 avio_wb16(pb, atoi(t->value));
1617 avio_wb16(pb, language_code("eng")); /* language */
1618 avio_write(pb, t->value, strlen(t->value)+1); /* UTF8 string value */
1619 if (!strcmp(tag, "albm") &&
1620 (t = av_metadata_get(s->metadata, "track", NULL, 0)))
1621 avio_w8(pb, atoi(t->value));
1623 return updateSize(pb, pos);
1626 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
1628 int64_t pos = avio_tell(pb);
1629 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
1631 avio_wb32(pb, 0); // size
1632 ffio_wfourcc(pb, "chpl");
1633 avio_wb32(pb, 0x01000000); // version + flags
1634 avio_wb32(pb, 0); // unknown
1635 avio_w8(pb, nb_chapters);
1637 for (i = 0; i < nb_chapters; i++) {
1638 AVChapter *c = s->chapters[i];
1640 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
1642 if ((t = av_metadata_get(c->metadata, "title", NULL, 0))) {
1643 int len = FFMIN(strlen(t->value), 255);
1645 avio_write(pb, t->value, len);
1649 return updateSize(pb, pos);
1652 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
1655 AVIOContext *pb_buf;
1659 for (i = 0; i < s->nb_streams; i++)
1660 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
1664 ret = url_open_dyn_buf(&pb_buf);
1668 if (mov->mode & MODE_3GP) {
1669 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
1670 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
1671 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
1672 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
1673 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
1674 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
1675 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
1676 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
1677 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
1678 mov_write_string_metadata(s, pb_buf, "\251ART", "artist" , 0);
1679 mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0);
1680 mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0);
1681 mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0);
1682 mov_write_string_metadata(s, pb_buf, "\251day", "date" , 0);
1683 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder" , 0);
1684 mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0);
1685 mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0);
1686 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0);
1688 /* iTunes meta data */
1689 mov_write_meta_tag(pb_buf, mov, s);
1693 mov_write_chpl_tag(pb_buf, s);
1695 if ((size = url_close_dyn_buf(pb_buf, &buf)) > 0) {
1696 avio_wb32(pb, size+8);
1697 ffio_wfourcc(pb, "udta");
1698 avio_write(pb, buf, size);
1705 static void mov_write_psp_udta_tag(AVIOContext *pb,
1706 const char *str, const char *lang, int type)
1708 int len = utf8len(str)+1;
1711 avio_wb16(pb, len*2+10); /* size */
1712 avio_wb32(pb, type); /* type */
1713 avio_wb16(pb, language_code(lang)); /* language */
1714 avio_wb16(pb, 0x01); /* ? */
1715 ascii_to_wc(pb, str);
1718 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
1720 AVMetadataTag *title = av_metadata_get(s->metadata, "title", NULL, 0);
1724 pos = avio_tell(pb);
1725 avio_wb32(pb, 0); /* size placeholder*/
1726 ffio_wfourcc(pb, "uuid");
1727 ffio_wfourcc(pb, "USMT");
1728 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
1729 avio_wb32(pb, 0xbb88695c);
1730 avio_wb32(pb, 0xfac9c740);
1732 pos2 = avio_tell(pb);
1733 avio_wb32(pb, 0); /* size placeholder*/
1734 ffio_wfourcc(pb, "MTDT");
1738 avio_wb16(pb, 0x0C); /* size */
1739 avio_wb32(pb, 0x0B); /* type */
1740 avio_wb16(pb, language_code("und")); /* language */
1741 avio_wb16(pb, 0x0); /* ? */
1742 avio_wb16(pb, 0x021C); /* data */
1744 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
1745 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
1746 // 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);
1747 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
1749 updateSize(pb, pos2);
1750 return updateSize(pb, pos);
1756 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
1760 int64_t pos = avio_tell(pb);
1761 avio_wb32(pb, 0); /* size placeholder*/
1762 ffio_wfourcc(pb, "moov");
1764 for (i=0; i<mov->nb_streams; i++) {
1765 if(mov->tracks[i].entry <= 0) continue;
1767 mov->tracks[i].time = mov->time;
1768 mov->tracks[i].trackID = i+1;
1771 if (mov->chapter_track)
1772 for (i=0; i<s->nb_streams; i++) {
1773 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
1774 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].trackID;
1776 for (i = 0; i < mov->nb_streams; i++) {
1777 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
1778 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
1779 mov->tracks[i].tref_id =
1780 mov->tracks[mov->tracks[i].src_track].trackID;
1784 mov_write_mvhd_tag(pb, mov);
1785 //mov_write_iods_tag(pb, mov);
1786 for (i=0; i<mov->nb_streams; i++) {
1787 if(mov->tracks[i].entry > 0) {
1788 mov_write_trak_tag(pb, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
1792 if (mov->mode == MODE_PSP)
1793 mov_write_uuidusmt_tag(pb, s);
1795 mov_write_udta_tag(pb, mov, s);
1797 return updateSize(pb, pos);
1800 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
1802 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
1803 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
1805 mov->mdat_pos = avio_tell(pb);
1806 avio_wb32(pb, 0); /* size placeholder*/
1807 ffio_wfourcc(pb, "mdat");
1811 /* TODO: This needs to be more general */
1812 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
1814 MOVMuxContext *mov = s->priv_data;
1815 int64_t pos = avio_tell(pb);
1816 int has_h264 = 0, has_video = 0;
1820 for (i = 0; i < s->nb_streams; i++) {
1821 AVStream *st = s->streams[i];
1822 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
1824 if (st->codec->codec_id == CODEC_ID_H264)
1828 avio_wb32(pb, 0); /* size */
1829 ffio_wfourcc(pb, "ftyp");
1831 if (mov->mode == MODE_3GP) {
1832 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
1833 minor = has_h264 ? 0x100 : 0x200;
1834 } else if (mov->mode & MODE_3G2) {
1835 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
1836 minor = has_h264 ? 0x20000 : 0x10000;
1837 }else if (mov->mode == MODE_PSP)
1838 ffio_wfourcc(pb, "MSNV");
1839 else if (mov->mode == MODE_MP4)
1840 ffio_wfourcc(pb, "isom");
1841 else if (mov->mode == MODE_IPOD)
1842 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
1844 ffio_wfourcc(pb, "qt ");
1846 avio_wb32(pb, minor);
1848 if(mov->mode == MODE_MOV)
1849 ffio_wfourcc(pb, "qt ");
1851 ffio_wfourcc(pb, "isom");
1852 ffio_wfourcc(pb, "iso2");
1854 ffio_wfourcc(pb, "avc1");
1857 if (mov->mode == MODE_3GP)
1858 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
1859 else if (mov->mode & MODE_3G2)
1860 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
1861 else if (mov->mode == MODE_PSP)
1862 ffio_wfourcc(pb, "MSNV");
1863 else if (mov->mode == MODE_MP4)
1864 ffio_wfourcc(pb, "mp41");
1865 return updateSize(pb, pos);
1868 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
1870 AVCodecContext *VideoCodec = s->streams[0]->codec;
1871 AVCodecContext *AudioCodec = s->streams[1]->codec;
1872 int AudioRate = AudioCodec->sample_rate;
1873 int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num);
1874 int audio_kbitrate= AudioCodec->bit_rate / 1000;
1875 int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate);
1877 avio_wb32(pb, 0x94); /* size */
1878 ffio_wfourcc(pb, "uuid");
1879 ffio_wfourcc(pb, "PROF");
1881 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
1882 avio_wb32(pb, 0xbb88695c);
1883 avio_wb32(pb, 0xfac9c740);
1885 avio_wb32(pb, 0x0); /* ? */
1886 avio_wb32(pb, 0x3); /* 3 sections ? */
1888 avio_wb32(pb, 0x14); /* size */
1889 ffio_wfourcc(pb, "FPRF");
1890 avio_wb32(pb, 0x0); /* ? */
1891 avio_wb32(pb, 0x0); /* ? */
1892 avio_wb32(pb, 0x0); /* ? */
1894 avio_wb32(pb, 0x2c); /* size */
1895 ffio_wfourcc(pb, "APRF");/* audio */
1897 avio_wb32(pb, 0x2); /* TrackID */
1898 ffio_wfourcc(pb, "mp4a");
1899 avio_wb32(pb, 0x20f);
1901 avio_wb32(pb, audio_kbitrate);
1902 avio_wb32(pb, audio_kbitrate);
1903 avio_wb32(pb, AudioRate);
1904 avio_wb32(pb, AudioCodec->channels);
1906 avio_wb32(pb, 0x34); /* size */
1907 ffio_wfourcc(pb, "VPRF"); /* video */
1909 avio_wb32(pb, 0x1); /* TrackID */
1910 if (VideoCodec->codec_id == CODEC_ID_H264) {
1911 ffio_wfourcc(pb, "avc1");
1912 avio_wb16(pb, 0x014D);
1913 avio_wb16(pb, 0x0015);
1915 ffio_wfourcc(pb, "mp4v");
1916 avio_wb16(pb, 0x0000);
1917 avio_wb16(pb, 0x0103);
1920 avio_wb32(pb, video_kbitrate);
1921 avio_wb32(pb, video_kbitrate);
1922 avio_wb32(pb, FrameRate);
1923 avio_wb32(pb, FrameRate);
1924 avio_wb16(pb, VideoCodec->width);
1925 avio_wb16(pb, VideoCodec->height);
1926 avio_wb32(pb, 0x010001); /* ? */
1929 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
1932 int i, closed_gop = 0;
1934 for (i = 0; i < pkt->size - 4; i++) {
1935 c = (c<<8) + pkt->data[i];
1936 if (c == 0x1b8) { // gop
1937 closed_gop = pkt->data[i+4]>>6 & 0x01;
1938 } else if (c == 0x100) { // pic
1939 int temp_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
1940 if (!temp_ref || closed_gop) // I picture is not reordered
1941 *flags = MOV_SYNC_SAMPLE;
1943 *flags = MOV_PARTIAL_SYNC_SAMPLE;
1950 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
1952 MOVMuxContext *mov = s->priv_data;
1953 AVIOContext *pb = s->pb;
1954 MOVTrack *trk = &mov->tracks[pkt->stream_index];
1955 AVCodecContext *enc = trk->enc;
1956 unsigned int samplesInChunk = 0;
1957 int size= pkt->size;
1959 if (url_is_streamed(s->pb)) return 0; /* Can't handle that */
1960 if (!size) return 0; /* Discard 0 sized packets */
1962 if (enc->codec_id == CODEC_ID_AMR_NB) {
1963 /* We must find out how many AMR blocks there are in one packet */
1964 static uint16_t packed_size[16] =
1965 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 0};
1968 while (len < size && samplesInChunk < 100) {
1969 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
1972 if(samplesInChunk > 1){
1973 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
1976 } else if (enc->codec_id == CODEC_ID_ADPCM_MS ||
1977 enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
1978 samplesInChunk = enc->frame_size;
1979 } else if (trk->sampleSize)
1980 samplesInChunk = size/trk->sampleSize;
1984 /* copy extradata if it exists */
1985 if (trk->vosLen == 0 && enc->extradata_size > 0) {
1986 trk->vosLen = enc->extradata_size;
1987 trk->vosData = av_malloc(trk->vosLen);
1988 memcpy(trk->vosData, enc->extradata, trk->vosLen);
1991 if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) {
1992 /* from x264 or from bytestream h264 */
1993 /* nal reformating needed */
1994 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
1996 avio_write(pb, pkt->data, size);
1999 if ((enc->codec_id == CODEC_ID_DNXHD ||
2000 enc->codec_id == CODEC_ID_AC3) && !trk->vosLen) {
2001 /* copy frame to create needed atoms */
2003 trk->vosData = av_malloc(size);
2005 return AVERROR(ENOMEM);
2006 memcpy(trk->vosData, pkt->data, size);
2009 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
2010 trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster));
2015 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
2016 trk->cluster[trk->entry].samplesInChunk = samplesInChunk;
2017 trk->cluster[trk->entry].size = size;
2018 trk->cluster[trk->entry].entries = samplesInChunk;
2019 trk->cluster[trk->entry].dts = pkt->dts;
2020 trk->trackDuration = pkt->dts - trk->cluster[0].dts + pkt->duration;
2022 if (pkt->pts == AV_NOPTS_VALUE) {
2023 av_log(s, AV_LOG_WARNING, "pts has no value\n");
2024 pkt->pts = pkt->dts;
2026 if (pkt->dts != pkt->pts)
2027 trk->flags |= MOV_TRACK_CTTS;
2028 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
2029 trk->cluster[trk->entry].flags = 0;
2030 if (pkt->flags & AV_PKT_FLAG_KEY) {
2031 if (mov->mode == MODE_MOV && enc->codec_id == CODEC_ID_MPEG2VIDEO &&
2032 trk->entry > 0) { // force sync sample for the first key frame
2033 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
2034 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
2035 trk->flags |= MOV_TRACK_STPS;
2037 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
2039 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
2040 trk->hasKeyframes++;
2043 trk->sampleCount += samplesInChunk;
2044 mov->mdat_size += size;
2048 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
2049 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry);
2053 // QuickTime chapters involve an additional text track with the chapter names
2054 // as samples, and a tref pointing from the other tracks to the chapter one.
2055 static void mov_create_chapter_track(AVFormatContext *s, int tracknum)
2057 MOVMuxContext *mov = s->priv_data;
2058 MOVTrack *track = &mov->tracks[tracknum];
2059 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
2062 track->mode = mov->mode;
2063 track->tag = MKTAG('t','e','x','t');
2064 track->timescale = MOV_TIMESCALE;
2065 track->enc = avcodec_alloc_context();
2066 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
2068 for (i = 0; i < s->nb_chapters; i++) {
2069 AVChapter *c = s->chapters[i];
2072 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
2073 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
2074 pkt.duration = end - pkt.dts;
2076 if ((t = av_metadata_get(c->metadata, "title", NULL, 0))) {
2077 len = strlen(t->value);
2079 pkt.data = av_malloc(pkt.size);
2080 AV_WB16(pkt.data, len);
2081 memcpy(pkt.data+2, t->value, len);
2082 ff_mov_write_packet(s, &pkt);
2083 av_freep(&pkt.data);
2088 static int mov_write_header(AVFormatContext *s)
2090 AVIOContext *pb = s->pb;
2091 MOVMuxContext *mov = s->priv_data;
2092 int i, hint_track = 0;
2094 if (url_is_streamed(s->pb)) {
2095 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
2099 /* Default mode == MP4 */
2100 mov->mode = MODE_MP4;
2102 if (s->oformat != NULL) {
2103 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
2104 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
2105 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
2106 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
2107 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
2109 mov_write_ftyp_tag(pb,s);
2110 if (mov->mode == MODE_PSP) {
2111 if (s->nb_streams != 2) {
2112 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
2115 mov_write_uuidprof_tag(pb,s);
2119 mov->nb_streams = s->nb_streams;
2120 if (mov->mode & (MODE_MOV|MODE_IPOD) && s->nb_chapters)
2121 mov->chapter_track = mov->nb_streams++;
2123 if (s->flags & AVFMT_FLAG_RTP_HINT) {
2124 /* Add hint tracks for each audio and video stream */
2125 hint_track = mov->nb_streams;
2126 for (i = 0; i < s->nb_streams; i++) {
2127 AVStream *st = s->streams[i];
2128 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2129 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
2135 mov->tracks = av_mallocz(mov->nb_streams*sizeof(*mov->tracks));
2137 return AVERROR(ENOMEM);
2139 for(i=0; i<s->nb_streams; i++){
2140 AVStream *st= s->streams[i];
2141 MOVTrack *track= &mov->tracks[i];
2142 AVMetadataTag *lang = av_metadata_get(st->metadata, "language", NULL,0);
2144 track->enc = st->codec;
2145 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
2146 if (track->language < 0)
2147 track->language = 0;
2148 track->mode = mov->mode;
2149 track->tag = mov_find_codec_tag(s, track);
2151 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
2152 "codec not currently supported in container\n", i);
2155 /* If hinting of this track is enabled by a later hint track,
2156 * this is updated. */
2157 track->hint_track = -1;
2158 if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
2159 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
2160 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
2161 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
2162 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
2163 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
2166 track->height = track->tag>>24 == 'n' ? 486 : 576;
2168 track->timescale = st->codec->time_base.den;
2169 if (track->mode == MODE_MOV && track->timescale > 100000)
2170 av_log(s, AV_LOG_WARNING,
2171 "WARNING codec timebase is very high. If duration is too long,\n"
2172 "file may not be playable by quicktime. Specify a shorter timebase\n"
2173 "or choose different container.\n");
2174 }else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
2175 track->timescale = st->codec->sample_rate;
2176 if(!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
2177 av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
2179 }else if(st->codec->codec_id == CODEC_ID_ADPCM_MS ||
2180 st->codec->codec_id == CODEC_ID_ADPCM_IMA_WAV){
2181 if (!st->codec->block_align) {
2182 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
2185 track->sampleSize = st->codec->block_align;
2186 }else if(st->codec->frame_size > 1){ /* assume compressed audio */
2187 track->audio_vbr = 1;
2189 st->codec->frame_size = 1;
2190 track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
2192 if (track->mode != MODE_MOV) {
2193 if (track->timescale > UINT16_MAX) {
2194 av_log(s, AV_LOG_ERROR, "track %d: output format does not support "
2195 "sample rate %dhz\n", i, track->timescale);
2198 if (track->enc->codec_id == CODEC_ID_MP3 && track->timescale < 16000) {
2199 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
2200 i, track->enc->sample_rate);
2204 }else if(st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE){
2205 track->timescale = st->codec->time_base.den;
2208 track->height = st->codec->height;
2210 av_set_pts_info(st, 64, 1, track->timescale);
2213 mov_write_mdat_tag(pb, mov);
2214 mov->time = s->timestamp + 0x7C25B080; //1970 based -> 1904 based
2216 if (mov->chapter_track)
2217 mov_create_chapter_track(s, mov->chapter_track);
2219 if (s->flags & AVFMT_FLAG_RTP_HINT) {
2220 /* Initialize the hint tracks for each audio and video stream */
2221 for (i = 0; i < s->nb_streams; i++) {
2222 AVStream *st = s->streams[i];
2223 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2224 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
2225 ff_mov_init_hinting(s, hint_track, i);
2235 av_freep(&mov->tracks);
2239 static int mov_write_trailer(AVFormatContext *s)
2241 MOVMuxContext *mov = s->priv_data;
2242 AVIOContext *pb = s->pb;
2246 int64_t moov_pos = avio_tell(pb);
2248 /* Write size of mdat tag */
2249 if (mov->mdat_size+8 <= UINT32_MAX) {
2250 avio_seek(pb, mov->mdat_pos, SEEK_SET);
2251 avio_wb32(pb, mov->mdat_size+8);
2253 /* overwrite 'wide' placeholder atom */
2254 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
2255 avio_wb32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */
2256 ffio_wfourcc(pb, "mdat");
2257 avio_wb64(pb, mov->mdat_size+16);
2259 avio_seek(pb, moov_pos, SEEK_SET);
2261 mov_write_moov_tag(pb, mov, s);
2263 if (mov->chapter_track)
2264 av_freep(&mov->tracks[mov->chapter_track].enc);
2266 for (i=0; i<mov->nb_streams; i++) {
2267 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
2268 ff_mov_close_hinting(&mov->tracks[i]);
2269 av_freep(&mov->tracks[i].cluster);
2271 if(mov->tracks[i].vosLen) av_free(mov->tracks[i].vosData);
2277 av_freep(&mov->tracks);
2282 #if CONFIG_MOV_MUXER
2283 AVOutputFormat ff_mov_muxer = {
2285 NULL_IF_CONFIG_SMALL("MOV format"),
2288 sizeof(MOVMuxContext),
2292 ff_mov_write_packet,
2294 .flags = AVFMT_GLOBALHEADER,
2295 .codec_tag = (const AVCodecTag* const []){codec_movvideo_tags, codec_movaudio_tags, 0},
2298 #if CONFIG_TGP_MUXER
2299 AVOutputFormat ff_tgp_muxer = {
2301 NULL_IF_CONFIG_SMALL("3GP format"),
2304 sizeof(MOVMuxContext),
2308 ff_mov_write_packet,
2310 .flags = AVFMT_GLOBALHEADER,
2311 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
2314 #if CONFIG_MP4_MUXER
2315 AVOutputFormat ff_mp4_muxer = {
2317 NULL_IF_CONFIG_SMALL("MP4 format"),
2320 sizeof(MOVMuxContext),
2324 ff_mov_write_packet,
2326 .flags = AVFMT_GLOBALHEADER,
2327 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
2330 #if CONFIG_PSP_MUXER
2331 AVOutputFormat ff_psp_muxer = {
2333 NULL_IF_CONFIG_SMALL("PSP MP4 format"),
2336 sizeof(MOVMuxContext),
2340 ff_mov_write_packet,
2342 .flags = AVFMT_GLOBALHEADER,
2343 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
2346 #if CONFIG_TG2_MUXER
2347 AVOutputFormat ff_tg2_muxer = {
2349 NULL_IF_CONFIG_SMALL("3GP2 format"),
2352 sizeof(MOVMuxContext),
2356 ff_mov_write_packet,
2358 .flags = AVFMT_GLOBALHEADER,
2359 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
2362 #if CONFIG_IPOD_MUXER
2363 AVOutputFormat ff_ipod_muxer = {
2365 NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"),
2368 sizeof(MOVMuxContext),
2372 ff_mov_write_packet,
2374 .flags = AVFMT_GLOBALHEADER,
2375 .codec_tag = (const AVCodecTag* const []){codec_ipod_tags, 0},