3 * Copyright (c) 2003 Thomas Raivio
4 * Copyright (c) 2004 Gildas Bazin <gbazin at videolan dot org>
5 * Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
7 * This file is part of FFmpeg.
9 * FFmpeg is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
14 * FFmpeg is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with FFmpeg; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
26 #include "avio_internal.h"
31 #include "libavcodec/get_bits.h"
32 #include "libavcodec/put_bits.h"
34 #include "libavutil/avstring.h"
35 #include "libavutil/intfloat.h"
36 #include "libavutil/mathematics.h"
37 #include "libavutil/opt.h"
38 #include "libavutil/dict.h"
45 static const AVOption options[] = {
46 { "movflags", "MOV muxer flags", offsetof(MOVMuxContext, flags), AV_OPT_TYPE_FLAGS, {.dbl = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
47 { "rtphint", "Add RTP hint tracks", 0, AV_OPT_TYPE_CONST, {.dbl = FF_MOV_FLAG_RTP_HINT}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
48 { "moov_size", "maximum moov size so it can be placed at the begin", offsetof(MOVMuxContext, reserved_moov_size), AV_OPT_TYPE_INT, {.dbl = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, 0 },
49 { "frag_size", "maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.dbl = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, 0 },
50 { "frag_duration", "maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.dbl = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, 0 },
51 FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
52 { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_INT, {.dbl = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
53 { "iods_audio_profile", "iods audio profile atom.", offsetof(MOVMuxContext, iods_audio_profile), AV_OPT_TYPE_INT, {.dbl = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM},
54 { "iods_video_profile", "iods video profile atom.", offsetof(MOVMuxContext, iods_video_profile), AV_OPT_TYPE_INT, {.dbl = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM},
58 #define MOV_CLASS(flavor)\
59 static const AVClass flavor ## _muxer_class = {\
60 .class_name = #flavor " muxer",\
61 .item_name = av_default_item_name,\
63 .version = LIBAVUTIL_VERSION_INT,\
66 static int update_first_fragment(AVFormatContext *s);
68 //FIXME support 64 bit variant with wide placeholders
69 static int64_t updateSize(AVIOContext *pb, int64_t pos)
71 int64_t curpos = avio_tell(pb);
72 avio_seek(pb, pos, SEEK_SET);
73 avio_wb32(pb, curpos - pos); /* rewrite size */
74 avio_seek(pb, curpos, SEEK_SET);
79 /* Chunk offset atom */
80 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
83 int mode64 = 0; // use 32 bit size variant if possible
84 int64_t pos = avio_tell(pb);
85 avio_wb32(pb, 0); /* size */
86 if (pos > UINT32_MAX) {
88 ffio_wfourcc(pb, "co64");
90 ffio_wfourcc(pb, "stco");
91 avio_wb32(pb, 0); /* version & flags */
92 avio_wb32(pb, track->chunkCount); /* entry count */
93 for (i=0; i<track->entry; i++) {
94 if(!track->cluster[i].chunkNum)
97 avio_wb64(pb, track->cluster[i].pos);
99 avio_wb32(pb, track->cluster[i].pos);
101 return updateSize(pb, pos);
104 /* Sample size atom */
105 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
108 int i, j, entries = 0, tst = -1, oldtst = -1;
110 int64_t pos = avio_tell(pb);
111 avio_wb32(pb, 0); /* size */
112 ffio_wfourcc(pb, "stsz");
113 avio_wb32(pb, 0); /* version & flags */
115 for (i=0; i<track->entry; i++) {
116 tst = track->cluster[i].size/track->cluster[i].entries;
117 if(oldtst != -1 && tst != oldtst) {
121 entries += track->cluster[i].entries;
124 int sSize = track->cluster[0].size/track->cluster[0].entries;
125 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
126 avio_wb32(pb, sSize); // sample size
127 avio_wb32(pb, entries); // sample count
130 avio_wb32(pb, 0); // sample size
131 avio_wb32(pb, entries); // sample count
132 for (i=0; i<track->entry; i++) {
133 for (j=0; j<track->cluster[i].entries; j++) {
134 avio_wb32(pb, track->cluster[i].size /
135 track->cluster[i].entries);
139 return updateSize(pb, pos);
142 /* Sample to chunk atom */
143 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
145 int index = 0, oldval = -1, i;
146 int64_t entryPos, curpos;
148 int64_t pos = avio_tell(pb);
149 avio_wb32(pb, 0); /* size */
150 ffio_wfourcc(pb, "stsc");
151 avio_wb32(pb, 0); // version & flags
152 entryPos = avio_tell(pb);
153 avio_wb32(pb, track->chunkCount); // entry count
154 for (i=0; i<track->entry; i++) {
155 if(oldval != track->cluster[i].samplesInChunk && track->cluster[i].chunkNum)
157 avio_wb32(pb, track->cluster[i].chunkNum); // first chunk
158 avio_wb32(pb, track->cluster[i].samplesInChunk); // samples per chunk
159 avio_wb32(pb, 0x1); // sample description index
160 oldval = track->cluster[i].samplesInChunk;
164 curpos = avio_tell(pb);
165 avio_seek(pb, entryPos, SEEK_SET);
166 avio_wb32(pb, index); // rewrite size
167 avio_seek(pb, curpos, SEEK_SET);
169 return updateSize(pb, pos);
172 /* Sync sample atom */
173 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
175 int64_t curpos, entryPos;
177 int64_t pos = avio_tell(pb);
178 avio_wb32(pb, 0); // size
179 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
180 avio_wb32(pb, 0); // version & flags
181 entryPos = avio_tell(pb);
182 avio_wb32(pb, track->entry); // entry count
183 for (i=0; i<track->entry; i++) {
184 if (track->cluster[i].flags & flag) {
189 curpos = avio_tell(pb);
190 avio_seek(pb, entryPos, SEEK_SET);
191 avio_wb32(pb, index); // rewrite size
192 avio_seek(pb, curpos, SEEK_SET);
193 return updateSize(pb, pos);
196 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
198 avio_wb32(pb, 0x11); /* size */
199 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
200 else ffio_wfourcc(pb, "damr");
201 ffio_wfourcc(pb, "FFMP");
202 avio_w8(pb, 0); /* decoder version */
204 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
205 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
206 avio_w8(pb, 0x01); /* Frames per sample */
210 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
215 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
217 if (track->vosLen < 7)
221 ffio_wfourcc(pb, "dac3");
223 init_get_bits(&gbc, track->vosData+4, (track->vosLen-4) * 8);
224 fscod = get_bits(&gbc, 2);
225 frmsizecod = get_bits(&gbc, 6);
226 bsid = get_bits(&gbc, 5);
227 bsmod = get_bits(&gbc, 3);
228 acmod = get_bits(&gbc, 3);
230 skip_bits(&gbc, 2); // dsurmod
232 if ((acmod & 1) && acmod != 1)
233 skip_bits(&gbc, 2); // cmixlev
235 skip_bits(&gbc, 2); // surmixlev
237 lfeon = get_bits1(&gbc);
239 init_put_bits(&pbc, buf, sizeof(buf));
240 put_bits(&pbc, 2, fscod);
241 put_bits(&pbc, 5, bsid);
242 put_bits(&pbc, 3, bsmod);
243 put_bits(&pbc, 3, acmod);
244 put_bits(&pbc, 1, lfeon);
245 put_bits(&pbc, 5, frmsizecod>>1); // bit_rate_code
246 put_bits(&pbc, 5, 0); // reserved
248 flush_put_bits(&pbc);
249 avio_write(pb, buf, sizeof(buf));
255 * This function writes extradata "as is".
256 * Extradata must be formatted like a valid atom (with size and tag).
258 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
260 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
261 return track->enc->extradata_size;
264 static int mov_write_enda_tag(AVIOContext *pb)
267 ffio_wfourcc(pb, "enda");
268 avio_wb16(pb, 1); /* little endian */
272 static void putDescr(AVIOContext *pb, int tag, unsigned int size)
277 avio_w8(pb, (size>>(7*i)) | 0x80);
278 avio_w8(pb, size & 0x7F);
281 static unsigned compute_avg_bitrate(MOVTrack *track)
285 for (i = 0; i < track->entry; i++)
286 size += track->cluster[i].size;
287 return size * 8 * track->timescale / track->trackDuration;
290 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
292 int64_t pos = avio_tell(pb);
293 int decoderSpecificInfoLen = track->vosLen ? 5+track->vosLen : 0;
294 unsigned avg_bitrate;
296 avio_wb32(pb, 0); // size
297 ffio_wfourcc(pb, "esds");
298 avio_wb32(pb, 0); // Version
301 putDescr(pb, 0x03, 3 + 5+13 + decoderSpecificInfoLen + 5+1);
302 avio_wb16(pb, track->trackID);
303 avio_w8(pb, 0x00); // flags (= no flags)
305 // DecoderConfig descriptor
306 putDescr(pb, 0x04, 13 + decoderSpecificInfoLen);
308 // Object type indication
309 if ((track->enc->codec_id == CODEC_ID_MP2 ||
310 track->enc->codec_id == CODEC_ID_MP3) &&
311 track->enc->sample_rate > 24000)
312 avio_w8(pb, 0x6B); // 11172-3
314 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
316 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
317 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
318 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
319 avio_w8(pb, 0x15); // flags (= Audiostream)
321 avio_w8(pb, 0x11); // flags (= Visualstream)
323 avio_w8(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits)
324 avio_wb16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB
326 avg_bitrate = compute_avg_bitrate(track);
327 // maxbitrate (FIXME should be max rate in any 1 sec window)
328 avio_wb32(pb, FFMAX3(track->enc->bit_rate, track->enc->rc_max_rate, avg_bitrate));
329 avio_wb32(pb, avg_bitrate);
332 // DecoderSpecific info descriptor
333 putDescr(pb, 0x05, track->vosLen);
334 avio_write(pb, track->vosData, track->vosLen);
338 putDescr(pb, 0x06, 1);
340 return updateSize(pb, pos);
343 static int mov_pcm_le_gt16(enum CodecID codec_id)
345 return codec_id == CODEC_ID_PCM_S24LE ||
346 codec_id == CODEC_ID_PCM_S32LE ||
347 codec_id == CODEC_ID_PCM_F32LE ||
348 codec_id == CODEC_ID_PCM_F64LE;
351 static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
353 int64_t pos = avio_tell(pb);
355 avio_wl32(pb, track->tag); // store it byteswapped
356 track->enc->codec_tag = av_bswap16(track->tag >> 16);
357 ff_put_wav_header(pb, track->enc);
358 return updateSize(pb, pos);
361 static int mov_write_chan_tag(AVIOContext *pb, MOVTrack *track)
363 uint32_t layout_tag, bitmap;
364 int64_t pos = avio_tell(pb);
366 layout_tag = ff_mov_get_channel_layout_tag(track->enc->codec_id,
367 track->enc->channel_layout,
370 av_log(track->enc, AV_LOG_WARNING, "not writing 'chan' tag due to "
371 "lack of channel information\n");
375 avio_wb32(pb, 0); // Size
376 ffio_wfourcc(pb, "chan"); // Type
377 avio_w8(pb, 0); // Version
378 avio_wb24(pb, 0); // Flags
379 avio_wb32(pb, layout_tag); // mChannelLayoutTag
380 avio_wb32(pb, bitmap); // mChannelBitmap
381 avio_wb32(pb, 0); // mNumberChannelDescriptions
383 return updateSize(pb, pos);
386 static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
388 int64_t pos = avio_tell(pb);
390 avio_wb32(pb, 0); /* size */
391 ffio_wfourcc(pb, "wave");
393 avio_wb32(pb, 12); /* size */
394 ffio_wfourcc(pb, "frma");
395 avio_wl32(pb, track->tag);
397 if (track->enc->codec_id == CODEC_ID_AAC) {
398 /* useless atom needed by mplayer, ipod, not needed by quicktime */
399 avio_wb32(pb, 12); /* size */
400 ffio_wfourcc(pb, "mp4a");
402 mov_write_esds_tag(pb, track);
403 } else if (mov_pcm_le_gt16(track->enc->codec_id)) {
404 mov_write_enda_tag(pb);
405 } else if (track->enc->codec_id == CODEC_ID_AMR_NB) {
406 mov_write_amr_tag(pb, track);
407 } else if (track->enc->codec_id == CODEC_ID_AC3) {
408 mov_write_chan_tag(pb, track);
409 mov_write_ac3_tag(pb, track);
410 } else if (track->enc->codec_id == CODEC_ID_ALAC) {
411 mov_write_extradata_tag(pb, track);
412 } else if (track->enc->codec_id == CODEC_ID_ADPCM_MS ||
413 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
414 mov_write_ms_tag(pb, track);
417 avio_wb32(pb, 8); /* size */
418 avio_wb32(pb, 0); /* null tag */
420 return updateSize(pb, pos);
423 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
425 avio_wb32(pb, track->vosLen+8);
426 ffio_wfourcc(pb, "glbl");
427 avio_write(pb, track->vosData, track->vosLen);
428 return 8+track->vosLen;
432 * Compute flags for 'lpcm' tag.
433 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
435 static int mov_get_lpcm_flags(enum CodecID codec_id)
438 case CODEC_ID_PCM_F32BE:
439 case CODEC_ID_PCM_F64BE:
441 case CODEC_ID_PCM_F32LE:
442 case CODEC_ID_PCM_F64LE:
444 case CODEC_ID_PCM_U8:
446 case CODEC_ID_PCM_S16BE:
447 case CODEC_ID_PCM_S24BE:
448 case CODEC_ID_PCM_S32BE:
450 case CODEC_ID_PCM_S8:
451 case CODEC_ID_PCM_S16LE:
452 case CODEC_ID_PCM_S24LE:
453 case CODEC_ID_PCM_S32LE:
460 static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
462 int64_t pos = avio_tell(pb);
464 uint32_t tag = track->tag;
466 if (track->mode == MODE_MOV) {
467 if (mov_get_lpcm_flags(track->enc->codec_id))
468 tag = AV_RL32("lpcm");
472 avio_wb32(pb, 0); /* size */
473 avio_wl32(pb, tag); // store it byteswapped
474 avio_wb32(pb, 0); /* Reserved */
475 avio_wb16(pb, 0); /* Reserved */
476 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
478 /* SoundDescription */
479 avio_wb16(pb, version); /* Version */
480 avio_wb16(pb, 0); /* Revision level */
481 avio_wb32(pb, 0); /* Reserved */
486 avio_wb16(pb, 0xfffe);
488 avio_wb32(pb, 0x00010000);
490 avio_wb64(pb, av_double2int(track->timescale));
491 avio_wb32(pb, track->enc->channels);
492 avio_wb32(pb, 0x7F000000);
493 avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
494 avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
495 avio_wb32(pb, track->sampleSize);
496 avio_wb32(pb, track->audio_vbr ? track->enc->frame_size : 1);
498 /* reserved for mp4/3gp */
503 avio_wb16(pb, 0); /* packet size (= 0) */
504 avio_wb16(pb, track->timescale); /* Time scale */
505 avio_wb16(pb, 0); /* Reserved */
508 if(track->mode == MODE_MOV &&
509 (track->enc->codec_id == CODEC_ID_AAC ||
510 track->enc->codec_id == CODEC_ID_AC3 ||
511 track->enc->codec_id == CODEC_ID_AMR_NB ||
512 track->enc->codec_id == CODEC_ID_ALAC ||
513 track->enc->codec_id == CODEC_ID_ADPCM_MS ||
514 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV ||
515 mov_pcm_le_gt16(track->enc->codec_id)))
516 mov_write_wave_tag(pb, track);
517 else if(track->tag == MKTAG('m','p','4','a'))
518 mov_write_esds_tag(pb, track);
519 else if(track->enc->codec_id == CODEC_ID_AMR_NB)
520 mov_write_amr_tag(pb, track);
521 else if(track->enc->codec_id == CODEC_ID_AC3)
522 mov_write_ac3_tag(pb, track);
523 else if(track->enc->codec_id == CODEC_ID_ALAC)
524 mov_write_extradata_tag(pb, track);
525 else if(track->vosLen > 0)
526 mov_write_glbl_tag(pb, track);
528 return updateSize(pb, pos);
531 static int mov_write_d263_tag(AVIOContext *pb)
533 avio_wb32(pb, 0xf); /* size */
534 ffio_wfourcc(pb, "d263");
535 ffio_wfourcc(pb, "FFMP");
536 avio_w8(pb, 0); /* decoder version */
537 /* FIXME use AVCodecContext level/profile, when encoder will set values */
538 avio_w8(pb, 0xa); /* level */
539 avio_w8(pb, 0); /* profile */
543 /* TODO: No idea about these values */
544 static int mov_write_svq3_tag(AVIOContext *pb)
547 ffio_wfourcc(pb, "SMI ");
548 ffio_wfourcc(pb, "SEQH");
550 avio_wb32(pb, 0xe2c0211d);
551 avio_wb32(pb, 0xc0000000);
556 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
558 int64_t pos = avio_tell(pb);
561 ffio_wfourcc(pb, "avcC");
562 ff_isom_write_avcc(pb, track->vosData, track->vosLen);
563 return updateSize(pb, pos);
566 /* also used by all avid codecs (dv, imx, meridien) and their variants */
567 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
570 avio_wb32(pb, 24); /* size */
571 ffio_wfourcc(pb, "ACLR");
572 ffio_wfourcc(pb, "ACLR");
573 ffio_wfourcc(pb, "0001");
574 avio_wb32(pb, 2); /* yuv range: full 1 / normal 2 */
575 avio_wb32(pb, 0); /* unknown */
577 avio_wb32(pb, 24); /* size */
578 ffio_wfourcc(pb, "APRG");
579 ffio_wfourcc(pb, "APRG");
580 ffio_wfourcc(pb, "0001");
581 avio_wb32(pb, 1); /* unknown */
582 avio_wb32(pb, 0); /* unknown */
584 avio_wb32(pb, 120); /* size */
585 ffio_wfourcc(pb, "ARES");
586 ffio_wfourcc(pb, "ARES");
587 ffio_wfourcc(pb, "0001");
588 avio_wb32(pb, AV_RB32(track->vosData + 0x28)); /* dnxhd cid, some id ? */
589 avio_wb32(pb, track->enc->width);
590 /* values below are based on samples created with quicktime and avid codecs */
591 if (track->vosData[5] & 2) { // interlaced
592 avio_wb32(pb, track->enc->height/2);
593 avio_wb32(pb, 2); /* unknown */
594 avio_wb32(pb, 0); /* unknown */
595 avio_wb32(pb, 4); /* unknown */
597 avio_wb32(pb, track->enc->height);
598 avio_wb32(pb, 1); /* unknown */
599 avio_wb32(pb, 0); /* unknown */
600 if (track->enc->height == 1080)
601 avio_wb32(pb, 5); /* unknown */
603 avio_wb32(pb, 6); /* unknown */
606 for (i = 0; i < 10; i++)
609 /* extra padding for stsd needed */
614 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
616 int tag = track->enc->codec_tag;
618 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
621 if (track->enc->codec_id == CODEC_ID_H264) tag = MKTAG('a','v','c','1');
622 else if (track->enc->codec_id == CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
623 else if (track->enc->codec_id == CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
624 else if (track->enc->codec_id == CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
625 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
626 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
631 static const AVCodecTag codec_ipod_tags[] = {
632 { CODEC_ID_H264, MKTAG('a','v','c','1') },
633 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
634 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
635 { CODEC_ID_ALAC, MKTAG('a','l','a','c') },
636 { CODEC_ID_AC3, MKTAG('a','c','-','3') },
637 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
638 { CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
639 { CODEC_ID_NONE, 0 },
642 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
644 int tag = track->enc->codec_tag;
646 // keep original tag for subs, ipod supports both formats
647 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
648 (tag == MKTAG('t','x','3','g') ||
649 tag == MKTAG('t','e','x','t'))))
650 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
652 if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v"))
653 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
654 "Quicktime/Ipod might not play the file\n");
659 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
663 if (track->enc->width == 720) /* SD */
664 if (track->enc->height == 480) /* NTSC */
665 if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
666 else tag = MKTAG('d','v','c',' ');
667 else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
668 else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
669 else tag = MKTAG('d','v','p','p');
670 else if (track->enc->height == 720) /* HD 720 line */
671 if (track->enc->time_base.den == 50) tag = MKTAG('d','v','h','q');
672 else tag = MKTAG('d','v','h','p');
673 else if (track->enc->height == 1080) /* HD 1080 line */
674 if (track->enc->time_base.den == 25) tag = MKTAG('d','v','h','5');
675 else tag = MKTAG('d','v','h','6');
677 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
684 static const struct {
685 enum PixelFormat pix_fmt;
688 } mov_pix_fmt_tags[] = {
689 { PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
690 { PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
691 { PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
692 { PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
693 { PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
694 { PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
695 { PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
696 { PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
697 { PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
698 { PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
699 { PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
700 { PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
701 { PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
702 { PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
705 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
707 int tag = track->enc->codec_tag;
710 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
711 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
712 tag = mov_pix_fmt_tags[i].tag;
713 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
721 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
723 int tag = track->enc->codec_tag;
725 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
726 (track->enc->codec_id == CODEC_ID_DVVIDEO ||
727 track->enc->codec_id == CODEC_ID_RAWVIDEO ||
728 track->enc->codec_id == CODEC_ID_H263 ||
729 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
730 if (track->enc->codec_id == CODEC_ID_DVVIDEO)
731 tag = mov_get_dv_codec_tag(s, track);
732 else if (track->enc->codec_id == CODEC_ID_RAWVIDEO)
733 tag = mov_get_rawvideo_codec_tag(s, track);
734 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
735 tag = ff_codec_get_tag(codec_movvideo_tags, track->enc->codec_id);
736 if (!tag) { // if no mac fcc found, try with Microsoft tags
737 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
739 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
740 "the file may be unplayable!\n");
742 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
743 tag = ff_codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
744 if (!tag) { // if no mac fcc found, try with Microsoft tags
745 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
747 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
748 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
749 "the file may be unplayable!\n");
752 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
753 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
759 static const AVCodecTag codec_3gp_tags[] = {
760 { CODEC_ID_H263, MKTAG('s','2','6','3') },
761 { CODEC_ID_H264, MKTAG('a','v','c','1') },
762 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
763 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
764 { CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
765 { CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
766 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
767 { CODEC_ID_NONE, 0 },
770 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
772 int tag = track->enc->codec_tag;
774 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
775 tag = mp4_get_codec_tag(s, track);
776 else if (track->mode == MODE_IPOD)
777 tag = ipod_get_codec_tag(s, track);
778 else if (track->mode & MODE_3GP)
779 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
781 tag = mov_get_codec_tag(s, track);
787 * Needed to make file play in iPods running newest firmware
788 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
790 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
793 ffio_wfourcc(pb, "uuid");
794 avio_wb32(pb, 0x6b6840f2);
795 avio_wb32(pb, 0x5f244fc5);
796 avio_wb32(pb, 0xba39a51b);
797 avio_wb32(pb, 0xcf0323f3);
802 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
804 int64_t pos = avio_tell(pb);
805 avio_wb32(pb, 0); /* size */
806 avio_wl32(pb, track->tag); // store it byteswapped
807 avio_wb32(pb, 0); /* Reserved */
808 avio_wb16(pb, 0); /* Reserved */
809 avio_wb16(pb, 1); /* Data-reference index */
811 if (track->enc->extradata_size)
812 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
814 return updateSize(pb, pos);
817 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
820 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
821 track->enc->sample_aspect_ratio.den, INT_MAX);
824 ffio_wfourcc(pb, "pasp");
825 avio_wb32(pb, sar.num);
826 avio_wb32(pb, sar.den);
830 static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
832 int64_t pos = avio_tell(pb);
833 char compressor_name[32];
835 avio_wb32(pb, 0); /* size */
836 avio_wl32(pb, track->tag); // store it byteswapped
837 avio_wb32(pb, 0); /* Reserved */
838 avio_wb16(pb, 0); /* Reserved */
839 avio_wb16(pb, 1); /* Data-reference index */
841 avio_wb16(pb, 0); /* Codec stream version */
842 avio_wb16(pb, 0); /* Codec stream revision (=0) */
843 if (track->mode == MODE_MOV) {
844 ffio_wfourcc(pb, "FFMP"); /* Vendor */
845 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
846 avio_wb32(pb, 0); /* Temporal Quality */
847 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
849 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
850 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
853 avio_wb32(pb, 0); /* Reserved */
854 avio_wb32(pb, 0); /* Reserved */
855 avio_wb32(pb, 0); /* Reserved */
857 avio_wb16(pb, track->enc->width); /* Video width */
858 avio_wb16(pb, track->height); /* Video height */
859 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
860 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
861 avio_wb32(pb, 0); /* Data size (= 0) */
862 avio_wb16(pb, 1); /* Frame count (= 1) */
864 memset(compressor_name,0,32);
865 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
866 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
867 av_strlcpy(compressor_name,track->enc->codec->name,32);
868 avio_w8(pb, strlen(compressor_name));
869 avio_write(pb, compressor_name, 31);
871 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
872 avio_wb16(pb, track->enc->bits_per_coded_sample);
874 avio_wb16(pb, 0x18); /* Reserved */
875 avio_wb16(pb, 0xffff); /* Reserved */
876 if(track->tag == MKTAG('m','p','4','v'))
877 mov_write_esds_tag(pb, track);
878 else if(track->enc->codec_id == CODEC_ID_H263)
879 mov_write_d263_tag(pb);
880 else if(track->enc->codec_id == CODEC_ID_SVQ3)
881 mov_write_svq3_tag(pb);
882 else if(track->enc->codec_id == CODEC_ID_DNXHD)
883 mov_write_avid_tag(pb, track);
884 else if(track->enc->codec_id == CODEC_ID_H264) {
885 mov_write_avcc_tag(pb, track);
886 if(track->mode == MODE_IPOD)
887 mov_write_uuid_tag_ipod(pb);
888 } else if(track->vosLen > 0)
889 mov_write_glbl_tag(pb, track);
891 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
892 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
893 mov_write_pasp_tag(pb, track);
896 return updateSize(pb, pos);
899 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
901 int64_t pos = avio_tell(pb);
902 avio_wb32(pb, 0); /* size */
903 ffio_wfourcc(pb, "rtp ");
904 avio_wb32(pb, 0); /* Reserved */
905 avio_wb16(pb, 0); /* Reserved */
906 avio_wb16(pb, 1); /* Data-reference index */
908 avio_wb16(pb, 1); /* Hint track version */
909 avio_wb16(pb, 1); /* Highest compatible version */
910 avio_wb32(pb, track->max_packet_size); /* Max packet size */
912 avio_wb32(pb, 12); /* size */
913 ffio_wfourcc(pb, "tims");
914 avio_wb32(pb, track->timescale);
916 return updateSize(pb, pos);
919 static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
921 int64_t pos = avio_tell(pb);
922 avio_wb32(pb, 0); /* size */
923 ffio_wfourcc(pb, "stsd");
924 avio_wb32(pb, 0); /* version & flags */
925 avio_wb32(pb, 1); /* entry count */
926 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
927 mov_write_video_tag(pb, track);
928 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
929 mov_write_audio_tag(pb, track);
930 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
931 mov_write_subtitle_tag(pb, track);
932 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
933 mov_write_rtp_tag(pb, track);
934 return updateSize(pb, pos);
937 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
939 MOVStts *ctts_entries;
940 uint32_t entries = 0;
944 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
945 ctts_entries[0].count = 1;
946 ctts_entries[0].duration = track->cluster[0].cts;
947 for (i=1; i<track->entry; i++) {
948 if (track->cluster[i].cts == ctts_entries[entries].duration) {
949 ctts_entries[entries].count++; /* compress */
952 ctts_entries[entries].duration = track->cluster[i].cts;
953 ctts_entries[entries].count = 1;
956 entries++; /* last one */
957 atom_size = 16 + (entries * 8);
958 avio_wb32(pb, atom_size); /* size */
959 ffio_wfourcc(pb, "ctts");
960 avio_wb32(pb, 0); /* version & flags */
961 avio_wb32(pb, entries); /* entry count */
962 for (i=0; i<entries; i++) {
963 avio_wb32(pb, ctts_entries[i].count);
964 avio_wb32(pb, ctts_entries[i].duration);
966 av_free(ctts_entries);
970 /* Time to sample atom */
971 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
973 MOVStts *stts_entries;
974 uint32_t entries = -1;
978 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
979 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
980 stts_entries[0].count = track->sampleCount;
981 stts_entries[0].duration = 1;
984 stts_entries = av_malloc(track->entry * sizeof(*stts_entries)); /* worst case */
985 for (i=0; i<track->entry; i++) {
986 int64_t duration = i + 1 == track->entry ?
987 track->trackDuration - track->cluster[i].dts + track->cluster[0].dts : /* readjusting */
988 track->cluster[i+1].dts - track->cluster[i].dts;
989 if (i && duration == stts_entries[entries].duration) {
990 stts_entries[entries].count++; /* compress */
993 stts_entries[entries].duration = duration;
994 stts_entries[entries].count = 1;
997 entries++; /* last one */
999 atom_size = 16 + (entries * 8);
1000 avio_wb32(pb, atom_size); /* size */
1001 ffio_wfourcc(pb, "stts");
1002 avio_wb32(pb, 0); /* version & flags */
1003 avio_wb32(pb, entries); /* entry count */
1004 for (i=0; i<entries; i++) {
1005 avio_wb32(pb, stts_entries[i].count);
1006 avio_wb32(pb, stts_entries[i].duration);
1008 av_free(stts_entries);
1012 static int mov_write_dref_tag(AVIOContext *pb)
1014 avio_wb32(pb, 28); /* size */
1015 ffio_wfourcc(pb, "dref");
1016 avio_wb32(pb, 0); /* version & flags */
1017 avio_wb32(pb, 1); /* entry count */
1019 avio_wb32(pb, 0xc); /* size */
1020 ffio_wfourcc(pb, "url ");
1021 avio_wb32(pb, 1); /* version & flags */
1026 static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
1028 int64_t pos = avio_tell(pb);
1029 avio_wb32(pb, 0); /* size */
1030 ffio_wfourcc(pb, "stbl");
1031 mov_write_stsd_tag(pb, track);
1032 mov_write_stts_tag(pb, track);
1033 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1034 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
1035 track->hasKeyframes && track->hasKeyframes < track->entry)
1036 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1037 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1038 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
1039 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1040 track->flags & MOV_TRACK_CTTS)
1041 mov_write_ctts_tag(pb, track);
1042 mov_write_stsc_tag(pb, track);
1043 mov_write_stsz_tag(pb, track);
1044 mov_write_stco_tag(pb, track);
1045 return updateSize(pb, pos);
1048 static int mov_write_dinf_tag(AVIOContext *pb)
1050 int64_t pos = avio_tell(pb);
1051 avio_wb32(pb, 0); /* size */
1052 ffio_wfourcc(pb, "dinf");
1053 mov_write_dref_tag(pb);
1054 return updateSize(pb, pos);
1057 static int mov_write_nmhd_tag(AVIOContext *pb)
1060 ffio_wfourcc(pb, "nmhd");
1065 static int mov_write_gmhd_tag(AVIOContext *pb)
1067 avio_wb32(pb, 0x20); /* size */
1068 ffio_wfourcc(pb, "gmhd");
1069 avio_wb32(pb, 0x18); /* gmin size */
1070 ffio_wfourcc(pb, "gmin");/* generic media info */
1071 avio_wb32(pb, 0); /* version & flags */
1072 avio_wb16(pb, 0x40); /* graphics mode = */
1073 avio_wb16(pb, 0x8000); /* opColor (r?) */
1074 avio_wb16(pb, 0x8000); /* opColor (g?) */
1075 avio_wb16(pb, 0x8000); /* opColor (b?) */
1076 avio_wb16(pb, 0); /* balance */
1077 avio_wb16(pb, 0); /* reserved */
1081 static int mov_write_smhd_tag(AVIOContext *pb)
1083 avio_wb32(pb, 16); /* size */
1084 ffio_wfourcc(pb, "smhd");
1085 avio_wb32(pb, 0); /* version & flags */
1086 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1087 avio_wb16(pb, 0); /* reserved */
1091 static int mov_write_vmhd_tag(AVIOContext *pb)
1093 avio_wb32(pb, 0x14); /* size (always 0x14) */
1094 ffio_wfourcc(pb, "vmhd");
1095 avio_wb32(pb, 0x01); /* version & flags */
1096 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
1100 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
1102 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1103 int64_t pos = avio_tell(pb);
1105 if (!track) { /* no media --> data handler */
1108 descr = "DataHandler";
1110 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1111 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1113 descr = "VideoHandler";
1114 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1116 descr = "SoundHandler";
1117 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1118 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
1119 else hdlr_type = "text";
1120 descr = "SubtitleHandler";
1121 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1123 descr = "HintHandler";
1127 avio_wb32(pb, 0); /* size */
1128 ffio_wfourcc(pb, "hdlr");
1129 avio_wb32(pb, 0); /* Version & flags */
1130 avio_write(pb, hdlr, 4); /* handler */
1131 ffio_wfourcc(pb, hdlr_type); /* handler type */
1132 avio_wb32(pb ,0); /* reserved */
1133 avio_wb32(pb ,0); /* reserved */
1134 avio_wb32(pb ,0); /* reserved */
1135 if (!track || track->mode == MODE_MOV)
1136 avio_w8(pb, strlen(descr)); /* pascal string */
1137 avio_write(pb, descr, strlen(descr)); /* handler description */
1138 if (track && track->mode != MODE_MOV)
1139 avio_w8(pb, 0); /* c string */
1140 return updateSize(pb, pos);
1143 static int mov_write_hmhd_tag(AVIOContext *pb)
1145 /* This atom must be present, but leaving the values at zero
1146 * seems harmless. */
1147 avio_wb32(pb, 28); /* size */
1148 ffio_wfourcc(pb, "hmhd");
1149 avio_wb32(pb, 0); /* version, flags */
1150 avio_wb16(pb, 0); /* maxPDUsize */
1151 avio_wb16(pb, 0); /* avgPDUsize */
1152 avio_wb32(pb, 0); /* maxbitrate */
1153 avio_wb32(pb, 0); /* avgbitrate */
1154 avio_wb32(pb, 0); /* reserved */
1158 static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
1160 int64_t pos = avio_tell(pb);
1161 avio_wb32(pb, 0); /* size */
1162 ffio_wfourcc(pb, "minf");
1163 if(track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1164 mov_write_vmhd_tag(pb);
1165 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1166 mov_write_smhd_tag(pb);
1167 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1168 if (track->tag == MKTAG('t','e','x','t')) mov_write_gmhd_tag(pb);
1169 else mov_write_nmhd_tag(pb);
1170 } else if (track->tag == MKTAG('r','t','p',' ')) {
1171 mov_write_hmhd_tag(pb);
1173 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1174 mov_write_hdlr_tag(pb, NULL);
1175 mov_write_dinf_tag(pb);
1176 mov_write_stbl_tag(pb, track);
1177 return updateSize(pb, pos);
1180 static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track)
1182 int version = track->trackDuration < INT32_MAX ? 0 : 1;
1184 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
1185 ffio_wfourcc(pb, "mdhd");
1186 avio_w8(pb, version);
1187 avio_wb24(pb, 0); /* flags */
1189 avio_wb64(pb, track->time);
1190 avio_wb64(pb, track->time);
1192 avio_wb32(pb, track->time); /* creation time */
1193 avio_wb32(pb, track->time); /* modification time */
1195 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
1196 (version == 1) ? avio_wb64(pb, track->trackDuration) : avio_wb32(pb, track->trackDuration); /* duration */
1197 avio_wb16(pb, track->language); /* language */
1198 avio_wb16(pb, 0); /* reserved (quality) */
1200 if(version!=0 && track->mode == MODE_MOV){
1201 av_log(NULL, AV_LOG_ERROR,
1202 "FATAL error, file duration too long for timebase, this file will not be\n"
1203 "playable with quicktime. Choose a different timebase or a different\n"
1204 "container format\n");
1210 static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track)
1212 int64_t pos = avio_tell(pb);
1213 avio_wb32(pb, 0); /* size */
1214 ffio_wfourcc(pb, "mdia");
1215 mov_write_mdhd_tag(pb, track);
1216 mov_write_hdlr_tag(pb, track);
1217 mov_write_minf_tag(pb, track);
1218 return updateSize(pb, pos);
1221 static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1223 int64_t duration = av_rescale_rnd(track->trackDuration, MOV_TIMESCALE,
1224 track->timescale, AV_ROUND_UP);
1225 int version = duration < INT32_MAX ? 0 : 1;
1227 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
1228 ffio_wfourcc(pb, "tkhd");
1229 avio_w8(pb, version);
1230 avio_wb24(pb, 0xf); /* flags (track enabled) */
1232 avio_wb64(pb, track->time);
1233 avio_wb64(pb, track->time);
1235 avio_wb32(pb, track->time); /* creation time */
1236 avio_wb32(pb, track->time); /* modification time */
1238 avio_wb32(pb, track->trackID); /* track-id */
1239 avio_wb32(pb, 0); /* reserved */
1240 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
1242 avio_wb32(pb, 0); /* reserved */
1243 avio_wb32(pb, 0); /* reserved */
1244 avio_wb16(pb, 0); /* layer */
1245 avio_wb16(pb, st ? st->codec->codec_type : 0); /* alternate group) */
1246 /* Volume, only for audio */
1247 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1248 avio_wb16(pb, 0x0100);
1251 avio_wb16(pb, 0); /* reserved */
1253 /* Matrix structure */
1254 avio_wb32(pb, 0x00010000); /* reserved */
1255 avio_wb32(pb, 0x0); /* reserved */
1256 avio_wb32(pb, 0x0); /* reserved */
1257 avio_wb32(pb, 0x0); /* reserved */
1258 avio_wb32(pb, 0x00010000); /* reserved */
1259 avio_wb32(pb, 0x0); /* reserved */
1260 avio_wb32(pb, 0x0); /* reserved */
1261 avio_wb32(pb, 0x0); /* reserved */
1262 avio_wb32(pb, 0x40000000); /* reserved */
1264 /* Track width and height, for visual only */
1265 if(st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1266 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
1267 if(track->mode == MODE_MOV) {
1268 avio_wb32(pb, track->enc->width << 16);
1269 avio_wb32(pb, track->height << 16);
1271 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1272 if(!sample_aspect_ratio || track->height != track->enc->height)
1273 sample_aspect_ratio = 1;
1274 avio_wb32(pb, sample_aspect_ratio * track->enc->width*0x10000);
1275 avio_wb32(pb, track->height*0x10000);
1285 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
1287 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
1288 track->enc->sample_aspect_ratio.den);
1290 int64_t pos = avio_tell(pb);
1292 avio_wb32(pb, 0); /* size */
1293 ffio_wfourcc(pb, "tapt");
1296 ffio_wfourcc(pb, "clef");
1298 avio_wb32(pb, width << 16);
1299 avio_wb32(pb, track->enc->height << 16);
1302 ffio_wfourcc(pb, "enof");
1304 avio_wb32(pb, track->enc->width << 16);
1305 avio_wb32(pb, track->enc->height << 16);
1307 return updateSize(pb, pos);
1310 // This box seems important for the psp playback ... without it the movie seems to hang
1311 static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track)
1313 int64_t duration = av_rescale_rnd(track->trackDuration, MOV_TIMESCALE,
1314 track->timescale, AV_ROUND_UP);
1315 int version = duration < INT32_MAX ? 0 : 1;
1316 int entry_size, entry_count, size;
1317 int64_t delay, start_ct = track->cluster[0].cts;
1318 delay = av_rescale_rnd(track->cluster[0].dts + start_ct, MOV_TIMESCALE,
1319 track->timescale, AV_ROUND_DOWN);
1320 version |= delay < INT32_MAX ? 0 : 1;
1322 entry_size = (version == 1) ? 20 : 12;
1323 entry_count = 1 + (delay > 0);
1324 size = 24 + entry_count * entry_size;
1326 /* write the atom data */
1327 avio_wb32(pb, size);
1328 ffio_wfourcc(pb, "edts");
1329 avio_wb32(pb, size - 8);
1330 ffio_wfourcc(pb, "elst");
1331 avio_w8(pb, version);
1332 avio_wb24(pb, 0); /* flags */
1334 avio_wb32(pb, entry_count);
1335 if (delay > 0) { /* add an empty edit to delay presentation */
1337 avio_wb64(pb, delay);
1340 avio_wb32(pb, delay);
1343 avio_wb32(pb, 0x00010000);
1348 avio_wb64(pb, duration);
1349 avio_wb64(pb, start_ct);
1351 avio_wb32(pb, duration);
1352 avio_wb32(pb, start_ct);
1354 avio_wb32(pb, 0x00010000);
1358 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
1360 avio_wb32(pb, 20); // size
1361 ffio_wfourcc(pb, "tref");
1362 avio_wb32(pb, 12); // size (subatom)
1363 avio_wl32(pb, track->tref_tag);
1364 avio_wb32(pb, track->tref_id);
1368 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1369 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
1371 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1372 ffio_wfourcc(pb, "uuid");
1373 ffio_wfourcc(pb, "USMT");
1374 avio_wb32(pb, 0x21d24fce);
1375 avio_wb32(pb, 0xbb88695c);
1376 avio_wb32(pb, 0xfac9c740);
1377 avio_wb32(pb, 0x1c); // another size here!
1378 ffio_wfourcc(pb, "MTDT");
1379 avio_wb32(pb, 0x00010012);
1380 avio_wb32(pb, 0x0a);
1381 avio_wb32(pb, 0x55c40000);
1387 static int mov_write_udta_sdp(AVIOContext *pb, AVFormatContext *ctx, int index)
1389 char buf[1000] = "";
1392 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0]->codec, NULL, NULL, 0, 0, ctx);
1393 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", index);
1396 avio_wb32(pb, len + 24);
1397 ffio_wfourcc(pb, "udta");
1398 avio_wb32(pb, len + 16);
1399 ffio_wfourcc(pb, "hnti");
1400 avio_wb32(pb, len + 8);
1401 ffio_wfourcc(pb, "sdp ");
1402 avio_write(pb, buf, len);
1406 static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track, AVStream *st)
1408 int64_t pos = avio_tell(pb);
1409 avio_wb32(pb, 0); /* size */
1410 ffio_wfourcc(pb, "trak");
1411 mov_write_tkhd_tag(pb, track, st);
1412 if(!mov->fragments) // EDTS with fragments is tricky as we dont know the duration when its written
1413 mov_write_edts_tag(pb, track); // PSP Movies and several other cases require edts box
1414 if (track->tref_tag)
1415 mov_write_tref_tag(pb, track);
1416 mov_write_mdia_tag(pb, track);
1417 if (track->mode == MODE_PSP)
1418 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
1419 if (track->tag == MKTAG('r','t','p',' '))
1420 mov_write_udta_sdp(pb, track->rtp_ctx, track->trackID);
1421 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && track->mode == MODE_MOV) {
1422 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1423 if (0.0 != sample_aspect_ratio && 1.0 != sample_aspect_ratio)
1424 mov_write_tapt_tag(pb, track);
1426 return updateSize(pb, pos);
1429 static int mov_write_tfhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1431 int64_t pos = avio_tell(pb);
1435 ffio_wfourcc(pb, "tfhd");
1437 avio_wb24(pb, flags);
1438 avio_wb32(pb, track->trackID);
1440 track->base_data_offset_pos= avio_tell(pb);
1441 if (flags & 0x01) avio_wb64(pb, 0);
1443 return updateSize(pb, pos);
1446 static int mov_write_trun_tag(AVIOContext *pb, MOVTrack *track)
1448 int64_t pos = avio_tell(pb);
1449 int sample_count= track->entry - track->cluster_write_index;
1453 for(i=track->cluster_write_index; i<track->entry; i++){
1454 int64_t duration = i + 1 == track->entry ?
1455 track->trackDuration - track->cluster[i].dts + track->cluster[0].dts : /* readjusting */
1456 track->cluster[i+1].dts - track->cluster[i].dts;
1457 if(duration != 1) tr_flags |= 0x100;
1458 if(track->trex_size != track->cluster[i].size) tr_flags |= 0x200;
1459 if(track->trex_flags != ((track->cluster[i].flags&MOV_SYNC_SAMPLE) ? 0x02000000 : 0x01010000))
1461 if(track->cluster[i].cts) tr_flags |= 0x800;
1465 ffio_wfourcc(pb, "trun");
1467 avio_wb24(pb, tr_flags);
1468 avio_wb32(pb, sample_count);
1469 if(tr_flags&1) avio_wb32(pb, 0);
1471 for(i=track->cluster_write_index; i<track->entry; i++){
1472 int64_t duration = i + 1 == track->entry ?
1473 track->trackDuration - track->cluster[i].dts + track->cluster[0].dts : /* readjusting */
1474 track->cluster[i+1].dts - track->cluster[i].dts;
1476 if(tr_flags&0x100) avio_wb32(pb, duration);
1477 if(tr_flags&0x200) avio_wb32(pb, track->cluster[i].size);
1478 if(tr_flags&0x400) avio_wb32(pb, (track->cluster[i].flags&MOV_SYNC_SAMPLE) ? 0x02000000 : 0x01010000);
1479 if(tr_flags&0x800) avio_wb32(pb, track->cluster[i].cts);
1482 return updateSize(pb, pos);
1485 static int mov_write_traf_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1487 int64_t pos = avio_tell(pb);
1488 avio_wb32(pb, 0); /* size */
1489 ffio_wfourcc(pb, "traf");
1490 mov_write_tfhd_tag(pb, track, st);
1491 mov_write_trun_tag(pb, track);
1492 return updateSize(pb, pos);
1495 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
1497 int i, has_audio = 0, has_video = 0;
1498 int64_t pos = avio_tell(pb);
1499 int audio_profile = mov->iods_audio_profile;
1500 int video_profile = mov->iods_video_profile;
1501 for (i = 0; i < mov->nb_streams; i++) {
1502 if(mov->tracks[i].entry > 0) {
1503 has_audio |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_AUDIO;
1504 has_video |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_VIDEO;
1507 if (audio_profile < 0)
1508 audio_profile = 0xFF - has_audio;
1509 if (video_profile < 0)
1510 video_profile = 0xFF - has_video;
1511 avio_wb32(pb, 0x0); /* size */
1512 ffio_wfourcc(pb, "iods");
1513 avio_wb32(pb, 0); /* version & flags */
1514 putDescr(pb, 0x10, 7);
1515 avio_wb16(pb, 0x004f);
1518 avio_w8(pb, audio_profile);
1519 avio_w8(pb, video_profile);
1521 return updateSize(pb, pos);
1524 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
1526 int maxTrackID = 1, i;
1527 int64_t maxTrackLenTemp, maxTrackLen = 0;
1530 for (i=0; i<mov->nb_streams; i++) {
1531 if(mov->tracks[i].entry > 0) {
1532 maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration,
1534 mov->tracks[i].timescale,
1536 if(maxTrackLen < maxTrackLenTemp)
1537 maxTrackLen = maxTrackLenTemp;
1538 if(maxTrackID < mov->tracks[i].trackID)
1539 maxTrackID = mov->tracks[i].trackID;
1543 version = maxTrackLen < UINT32_MAX ? 0 : 1;
1544 (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
1545 ffio_wfourcc(pb, "mvhd");
1546 avio_w8(pb, version);
1547 avio_wb24(pb, 0); /* flags */
1549 avio_wb64(pb, mov->time);
1550 avio_wb64(pb, mov->time);
1552 avio_wb32(pb, mov->time); /* creation time */
1553 avio_wb32(pb, mov->time); /* modification time */
1555 avio_wb32(pb, MOV_TIMESCALE);
1556 (version == 1) ? avio_wb64(pb, maxTrackLen) : avio_wb32(pb, maxTrackLen); /* duration of longest track */
1558 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1559 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1560 avio_wb16(pb, 0); /* reserved */
1561 avio_wb32(pb, 0); /* reserved */
1562 avio_wb32(pb, 0); /* reserved */
1564 /* Matrix structure */
1565 avio_wb32(pb, 0x00010000); /* reserved */
1566 avio_wb32(pb, 0x0); /* reserved */
1567 avio_wb32(pb, 0x0); /* reserved */
1568 avio_wb32(pb, 0x0); /* reserved */
1569 avio_wb32(pb, 0x00010000); /* reserved */
1570 avio_wb32(pb, 0x0); /* reserved */
1571 avio_wb32(pb, 0x0); /* reserved */
1572 avio_wb32(pb, 0x0); /* reserved */
1573 avio_wb32(pb, 0x40000000); /* reserved */
1575 avio_wb32(pb, 0); /* reserved (preview time) */
1576 avio_wb32(pb, 0); /* reserved (preview duration) */
1577 avio_wb32(pb, 0); /* reserved (poster time) */
1578 avio_wb32(pb, 0); /* reserved (selection time) */
1579 avio_wb32(pb, 0); /* reserved (selection duration) */
1580 avio_wb32(pb, 0); /* reserved (current time) */
1581 avio_wb32(pb, maxTrackID+1); /* Next track id */
1585 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
1588 avio_wb32(pb, 33); /* size */
1589 ffio_wfourcc(pb, "hdlr");
1592 ffio_wfourcc(pb, "mdir");
1593 ffio_wfourcc(pb, "appl");
1600 /* helper function to write a data tag with the specified string as data */
1601 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
1604 int size = 16 + strlen(data);
1605 avio_wb32(pb, size); /* size */
1606 ffio_wfourcc(pb, "data");
1609 avio_write(pb, data, strlen(data));
1613 lang = ff_mov_iso639_to_lang("und", 1);
1614 avio_wb16(pb, strlen(data)); /* string length */
1615 avio_wb16(pb, lang);
1616 avio_write(pb, data, strlen(data));
1617 return strlen(data) + 4;
1621 static int mov_write_string_tag(AVIOContext *pb, const char *name, const char *value, int lang, int long_style){
1623 if (value && value[0]) {
1624 int64_t pos = avio_tell(pb);
1625 avio_wb32(pb, 0); /* size */
1626 ffio_wfourcc(pb, name);
1627 mov_write_string_data_tag(pb, value, lang, long_style);
1628 size= updateSize(pb, pos);
1633 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
1634 const char *name, const char *tag,
1637 int l, lang = 0, len, len2;
1638 AVDictionaryEntry *t, *t2 = NULL;
1641 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
1644 len = strlen(t->key);
1645 snprintf(tag2, sizeof(tag2), "%s-", tag);
1646 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
1647 len2 = strlen(t2->key);
1648 if (len2 == len+4 && !strcmp(t->value, t2->value)
1649 && (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 1)) >= 0) {
1654 return mov_write_string_tag(pb, name, t->value, lang, long_style);
1657 /* iTunes track number */
1658 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
1661 AVDictionaryEntry *t = av_dict_get(s->metadata, "track", NULL, 0);
1662 int size = 0, track = t ? atoi(t->value) : 0;
1664 avio_wb32(pb, 32); /* size */
1665 ffio_wfourcc(pb, "trkn");
1666 avio_wb32(pb, 24); /* size */
1667 ffio_wfourcc(pb, "data");
1668 avio_wb32(pb, 0); // 8 bytes empty
1670 avio_wb16(pb, 0); // empty
1671 avio_wb16(pb, track); // track number
1672 avio_wb16(pb, 0); // total track number
1673 avio_wb16(pb, 0); // empty
1679 /* iTunes meta data list */
1680 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
1683 int64_t pos = avio_tell(pb);
1684 avio_wb32(pb, 0); /* size */
1685 ffio_wfourcc(pb, "ilst");
1686 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
1687 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
1688 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
1689 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
1690 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
1691 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
1692 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
1693 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
1694 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
1695 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
1696 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
1697 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
1698 mov_write_string_metadata(s, pb, "desc", "description",1);
1699 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
1700 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
1701 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
1702 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
1703 mov_write_trkn_tag(pb, mov, s);
1704 return updateSize(pb, pos);
1707 /* iTunes meta data tag */
1708 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
1712 int64_t pos = avio_tell(pb);
1713 avio_wb32(pb, 0); /* size */
1714 ffio_wfourcc(pb, "meta");
1716 mov_write_itunes_hdlr_tag(pb, mov, s);
1717 mov_write_ilst_tag(pb, mov, s);
1718 size = updateSize(pb, pos);
1722 static int utf8len(const uint8_t *b)
1727 GET_UTF8(val, *b++, return -1;)
1733 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
1737 GET_UTF8(val, *b++, return -1;)
1740 avio_wb16(pb, 0x00);
1744 static uint16_t language_code(const char *str)
1746 return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
1749 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
1750 const char *tag, const char *str)
1752 int64_t pos = avio_tell(pb);
1753 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
1754 if (!t || !utf8len(t->value))
1756 avio_wb32(pb, 0); /* size */
1757 ffio_wfourcc(pb, tag); /* type */
1758 avio_wb32(pb, 0); /* version + flags */
1759 if (!strcmp(tag, "yrrc"))
1760 avio_wb16(pb, atoi(t->value));
1762 avio_wb16(pb, language_code("eng")); /* language */
1763 avio_write(pb, t->value, strlen(t->value)+1); /* UTF8 string value */
1764 if (!strcmp(tag, "albm") &&
1765 (t = av_dict_get(s->metadata, "track", NULL, 0)))
1766 avio_w8(pb, atoi(t->value));
1768 return updateSize(pb, pos);
1771 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
1773 int64_t pos = avio_tell(pb);
1774 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
1776 avio_wb32(pb, 0); // size
1777 ffio_wfourcc(pb, "chpl");
1778 avio_wb32(pb, 0x01000000); // version + flags
1779 avio_wb32(pb, 0); // unknown
1780 avio_w8(pb, nb_chapters);
1782 for (i = 0; i < nb_chapters; i++) {
1783 AVChapter *c = s->chapters[i];
1784 AVDictionaryEntry *t;
1785 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
1787 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
1788 int len = FFMIN(strlen(t->value), 255);
1790 avio_write(pb, t->value, len);
1794 return updateSize(pb, pos);
1797 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
1800 AVIOContext *pb_buf;
1804 for (i = 0; i < s->nb_streams; i++)
1805 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
1809 ret = avio_open_dyn_buf(&pb_buf);
1813 if (mov->mode & MODE_3GP) {
1814 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
1815 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
1816 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
1817 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
1818 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
1819 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
1820 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
1821 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
1822 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
1823 mov_write_string_metadata(s, pb_buf, "\251ART", "artist" , 0);
1824 mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0);
1825 mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0);
1826 mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0);
1827 mov_write_string_metadata(s, pb_buf, "\251day", "date" , 0);
1828 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder" , 0);
1829 mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0);
1830 mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0);
1831 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0);
1833 /* iTunes meta data */
1834 mov_write_meta_tag(pb_buf, mov, s);
1838 mov_write_chpl_tag(pb_buf, s);
1840 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
1841 avio_wb32(pb, size+8);
1842 ffio_wfourcc(pb, "udta");
1843 avio_write(pb, buf, size);
1850 static void mov_write_psp_udta_tag(AVIOContext *pb,
1851 const char *str, const char *lang, int type)
1853 int len = utf8len(str)+1;
1856 avio_wb16(pb, len*2+10); /* size */
1857 avio_wb32(pb, type); /* type */
1858 avio_wb16(pb, language_code(lang)); /* language */
1859 avio_wb16(pb, 0x01); /* ? */
1860 ascii_to_wc(pb, str);
1863 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
1865 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
1869 pos = avio_tell(pb);
1870 avio_wb32(pb, 0); /* size placeholder*/
1871 ffio_wfourcc(pb, "uuid");
1872 ffio_wfourcc(pb, "USMT");
1873 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
1874 avio_wb32(pb, 0xbb88695c);
1875 avio_wb32(pb, 0xfac9c740);
1877 pos2 = avio_tell(pb);
1878 avio_wb32(pb, 0); /* size placeholder*/
1879 ffio_wfourcc(pb, "MTDT");
1883 avio_wb16(pb, 0x0C); /* size */
1884 avio_wb32(pb, 0x0B); /* type */
1885 avio_wb16(pb, language_code("und")); /* language */
1886 avio_wb16(pb, 0x0); /* ? */
1887 avio_wb16(pb, 0x021C); /* data */
1889 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
1890 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
1891 // 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);
1892 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
1894 updateSize(pb, pos2);
1895 return updateSize(pb, pos);
1901 static void build_chunks(MOVTrack *trk)
1904 MOVIentry *chunk= &trk->cluster[0];
1905 uint64_t chunkSize = chunk->size;
1908 for(i=1; i<trk->entry; i++){
1909 if(chunk->pos + chunkSize == trk->cluster[i].pos){
1910 chunkSize += trk->cluster[i].size;
1911 chunk->samplesInChunk += trk->cluster[i].entries;
1913 trk->cluster[i].chunkNum = chunk->chunkNum+1;
1914 chunk=&trk->cluster[i];
1915 chunkSize = chunk->size;
1921 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1923 int64_t pos = avio_tell(pb);
1924 avio_wb32(pb, 0); /* size */
1925 ffio_wfourcc(pb, "trex");
1929 avio_wb32(pb, track->trackID);
1930 avio_wb32(pb, 1); // stsd_id
1931 avio_wb32(pb, 1); // duration
1932 track->trex_size= track->entry ? track->cluster[FFMIN(1, track->entry-1)].size : 1;
1933 avio_wb32(pb, track->trex_size);
1934 track->trex_flags= st->codec->codec_type != AVMEDIA_TYPE_VIDEO ? 0x02000000 : 0x01010000;
1935 avio_wb32(pb, track->trex_flags);
1936 return updateSize(pb, pos);
1939 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov,
1943 int64_t pos = avio_tell(pb);
1944 avio_wb32(pb, 0); /* size placeholder*/
1945 ffio_wfourcc(pb, "mvex");
1947 for (i=0; i<mov->nb_streams; i++) {
1948 if(mov->tracks[i].entry > 0) {
1949 mov_write_trex_tag(pb, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
1953 return updateSize(pb, pos);
1956 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
1960 int64_t pos = avio_tell(pb);
1961 avio_wb32(pb, 0); /* size placeholder*/
1962 ffio_wfourcc(pb, "moov");
1964 for (i=0; i<mov->nb_streams; i++) {
1965 if(mov->tracks[i].entry <= 0) continue;
1967 mov->tracks[i].time = mov->time;
1968 mov->tracks[i].trackID = i+1;
1970 build_chunks(&mov->tracks[i]);
1973 if (mov->chapter_track)
1974 for (i=0; i<s->nb_streams; i++) {
1975 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
1976 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].trackID;
1978 for (i = 0; i < mov->nb_streams; i++) {
1979 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
1980 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
1981 mov->tracks[i].tref_id =
1982 mov->tracks[mov->tracks[i].src_track].trackID;
1986 mov_write_mvhd_tag(pb, mov);
1987 if (mov->mode != MODE_MOV && !mov->iods_skip)
1988 mov_write_iods_tag(pb, mov);
1989 for (i=0; i<mov->nb_streams; i++) {
1990 if(mov->tracks[i].entry > 0) {
1991 mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
1996 mov_write_mvex_tag(pb, mov, s);
1998 if (mov->mode == MODE_PSP)
1999 mov_write_uuidusmt_tag(pb, s);
2001 mov_write_udta_tag(pb, mov, s);
2003 return updateSize(pb, pos);
2006 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
2009 int64_t pos = avio_tell(pb);
2010 avio_wb32(pb, 0); /* size placeholder*/
2011 ffio_wfourcc(pb, "mfhd");
2013 avio_wb32(pb, mov->frag_seq_num++);
2015 return updateSize(pb, pos); //FIXME replace by hardcoded num also above
2018 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov,
2022 int64_t pos = avio_tell(pb);
2023 avio_wb32(pb, 0); /* size placeholder*/
2024 ffio_wfourcc(pb, "moof");
2026 mov_write_mfhd_tag(pb, mov);
2027 for (i=0; i<mov->nb_streams; i++) {
2028 if(mov->tracks[i].entry > 0) {
2029 mov_write_traf_tag(pb, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
2033 return updateSize(pb, pos);
2036 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
2038 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
2039 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
2041 mov->mdat_pos = avio_tell(pb);
2042 avio_wb32(pb, 0); /* size placeholder*/
2043 ffio_wfourcc(pb, "mdat");
2047 /* TODO: This needs to be more general */
2048 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
2050 MOVMuxContext *mov = s->priv_data;
2051 int64_t pos = avio_tell(pb);
2052 int has_h264 = 0, has_video = 0;
2056 for (i = 0; i < s->nb_streams; i++) {
2057 AVStream *st = s->streams[i];
2058 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2060 if (st->codec->codec_id == CODEC_ID_H264)
2064 avio_wb32(pb, 0); /* size */
2065 ffio_wfourcc(pb, "ftyp");
2067 if (mov->mode == MODE_3GP) {
2068 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
2069 minor = has_h264 ? 0x100 : 0x200;
2070 } else if (mov->mode & MODE_3G2) {
2071 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
2072 minor = has_h264 ? 0x20000 : 0x10000;
2073 }else if (mov->mode == MODE_PSP)
2074 ffio_wfourcc(pb, "MSNV");
2075 else if (mov->mode == MODE_MP4)
2076 ffio_wfourcc(pb, "isom");
2077 else if (mov->mode == MODE_IPOD)
2078 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
2080 ffio_wfourcc(pb, "qt ");
2082 avio_wb32(pb, minor);
2084 if(mov->mode == MODE_MOV)
2085 ffio_wfourcc(pb, "qt ");
2087 ffio_wfourcc(pb, "isom");
2088 ffio_wfourcc(pb, "iso2");
2090 ffio_wfourcc(pb, "avc1");
2093 if (mov->mode == MODE_3GP)
2094 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
2095 else if (mov->mode & MODE_3G2)
2096 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
2097 else if (mov->mode == MODE_PSP)
2098 ffio_wfourcc(pb, "MSNV");
2099 else if (mov->mode == MODE_MP4)
2100 ffio_wfourcc(pb, "mp41");
2101 return updateSize(pb, pos);
2104 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
2106 AVCodecContext *VideoCodec = s->streams[0]->codec;
2107 AVCodecContext *AudioCodec = s->streams[1]->codec;
2108 int AudioRate = AudioCodec->sample_rate;
2109 int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num);
2110 int audio_kbitrate= AudioCodec->bit_rate / 1000;
2111 int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate);
2113 avio_wb32(pb, 0x94); /* size */
2114 ffio_wfourcc(pb, "uuid");
2115 ffio_wfourcc(pb, "PROF");
2117 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2118 avio_wb32(pb, 0xbb88695c);
2119 avio_wb32(pb, 0xfac9c740);
2121 avio_wb32(pb, 0x0); /* ? */
2122 avio_wb32(pb, 0x3); /* 3 sections ? */
2124 avio_wb32(pb, 0x14); /* size */
2125 ffio_wfourcc(pb, "FPRF");
2126 avio_wb32(pb, 0x0); /* ? */
2127 avio_wb32(pb, 0x0); /* ? */
2128 avio_wb32(pb, 0x0); /* ? */
2130 avio_wb32(pb, 0x2c); /* size */
2131 ffio_wfourcc(pb, "APRF");/* audio */
2133 avio_wb32(pb, 0x2); /* TrackID */
2134 ffio_wfourcc(pb, "mp4a");
2135 avio_wb32(pb, 0x20f);
2137 avio_wb32(pb, audio_kbitrate);
2138 avio_wb32(pb, audio_kbitrate);
2139 avio_wb32(pb, AudioRate);
2140 avio_wb32(pb, AudioCodec->channels);
2142 avio_wb32(pb, 0x34); /* size */
2143 ffio_wfourcc(pb, "VPRF"); /* video */
2145 avio_wb32(pb, 0x1); /* TrackID */
2146 if (VideoCodec->codec_id == CODEC_ID_H264) {
2147 ffio_wfourcc(pb, "avc1");
2148 avio_wb16(pb, 0x014D);
2149 avio_wb16(pb, 0x0015);
2151 ffio_wfourcc(pb, "mp4v");
2152 avio_wb16(pb, 0x0000);
2153 avio_wb16(pb, 0x0103);
2156 avio_wb32(pb, video_kbitrate);
2157 avio_wb32(pb, video_kbitrate);
2158 avio_wb32(pb, FrameRate);
2159 avio_wb32(pb, FrameRate);
2160 avio_wb16(pb, VideoCodec->width);
2161 avio_wb16(pb, VideoCodec->height);
2162 avio_wb32(pb, 0x010001); /* ? */
2165 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
2168 int i, closed_gop = 0;
2170 for (i = 0; i < pkt->size - 4; i++) {
2171 c = (c<<8) + pkt->data[i];
2172 if (c == 0x1b8) { // gop
2173 closed_gop = pkt->data[i+4]>>6 & 0x01;
2174 } else if (c == 0x100) { // pic
2175 int temp_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
2176 if (!temp_ref || closed_gop) // I picture is not reordered
2177 *flags = MOV_SYNC_SAMPLE;
2179 *flags = MOV_PARTIAL_SYNC_SAMPLE;
2186 static int flush_cluster_buffer(AVFormatContext *s){
2187 MOVMuxContext *mov = s->priv_data;
2191 for (i=0; i<mov->nb_streams; i++){
2192 MOVTrack *track= &mov->tracks[i];
2193 if(track->entry != track->cluster_write_index)
2197 if(mov->frag_seq_num==0){
2198 update_first_fragment(s);
2199 mov->frag_seq_num++;
2200 }else if(has_data) {
2201 mov_write_moof_tag(s->pb, mov, s);
2202 mov_write_mdat_tag(s->pb, mov);
2203 for (i=0; i<mov->nb_streams; i++){
2204 MOVTrack *track= &mov->tracks[i];
2205 if(track->entry > 0) {
2206 int64_t pos= avio_tell(s->pb);
2207 avio_seek(s->pb, track->base_data_offset_pos, SEEK_SET);
2208 avio_wb64(s->pb, pos);
2209 avio_seek(s->pb, pos, SEEK_SET);
2210 for(j=track->cluster_write_index; j<track->entry; j++){
2211 avio_write(s->pb, track->cluster[j].data, track->cluster[j].size);
2212 av_freep(&track->cluster[j].data);
2216 updateSize(s->pb, mov->mdat_pos);
2219 for (i=0; i<mov->nb_streams; i++) {
2220 MOVTrack *track= &mov->tracks[i];
2221 track->cluster_write_index= track->entry;
2228 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
2230 MOVMuxContext *mov = s->priv_data;
2231 AVIOContext *pb = s->pb;
2232 MOVTrack *trk = &mov->tracks[pkt->stream_index];
2233 AVStream *st = s->streams[pkt->stream_index];
2234 AVCodecContext *enc = trk->enc;
2235 unsigned int samplesInChunk = 0;
2236 int size= pkt->size;
2237 uint8_t *reformatted_data = NULL;
2239 if (!s->pb->seekable) return 0; /* Can't handle that */
2240 if (!size) return 0; /* Discard 0 sized packets */
2242 if (mov->fragments && trk->entry > trk->cluster_write_index &&
2243 ( mov->max_fragment_duration && av_rescale_q(pkt->dts - trk->cluster[ trk->cluster_write_index ].dts, st->time_base, AV_TIME_BASE_Q) >= mov->max_fragment_duration
2244 || mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size)
2246 flush_cluster_buffer(s);
2249 if (enc->codec_id == CODEC_ID_AMR_NB) {
2250 /* We must find out how many AMR blocks there are in one packet */
2251 static uint16_t packed_size[16] =
2252 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
2255 while (len < size && samplesInChunk < 100) {
2256 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
2259 if(samplesInChunk > 1){
2260 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
2263 } else if (trk->sampleSize)
2264 samplesInChunk = size/trk->sampleSize;
2268 /* copy extradata if it exists */
2269 if (trk->vosLen == 0 && enc->extradata_size > 0) {
2270 trk->vosLen = enc->extradata_size;
2271 trk->vosData = av_malloc(trk->vosLen);
2272 memcpy(trk->vosData, enc->extradata, trk->vosLen);
2275 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
2276 trk->cluster = av_realloc_f(trk->cluster, sizeof(*trk->cluster), (trk->entry + MOV_INDEX_CLUSTER_SIZE));
2281 if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) {
2282 /* from x264 or from bytestream h264 */
2283 /* nal reformating needed */
2284 if(mov->frag_seq_num>0){
2288 if(ff_avc_parse_nal_units_buf(pkt->data, &buf, &size) < 0){
2289 av_log(s, AV_LOG_ERROR, "malformated H264 bitstream\n");
2292 trk->cluster[trk->entry].data= buf;
2293 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
2294 reformatted_data= av_malloc(size);
2295 memcpy(reformatted_data, buf, size);
2297 }else if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
2298 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
2300 avio_write(pb, reformatted_data, size);
2302 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
2304 } else if (enc->codec_id == CODEC_ID_AAC && pkt->size > 2 &&
2305 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
2306 av_log(s, AV_LOG_ERROR, "malformated aac bitstream, use -absf aac_adtstoasc\n");
2308 } else if (mov->frag_seq_num>0){
2309 trk->cluster[trk->entry].data = av_malloc(size);
2310 if (!trk->cluster[trk->entry].data)
2311 return AVERROR(ENOMEM);
2312 memcpy(trk->cluster[trk->entry].data, pkt->data, size);
2314 avio_write(pb, pkt->data, size);
2317 if ((enc->codec_id == CODEC_ID_DNXHD ||
2318 enc->codec_id == CODEC_ID_AC3) && !trk->vosLen) {
2319 /* copy frame to create needed atoms */
2321 trk->vosData = av_malloc(size);
2323 return AVERROR(ENOMEM);
2324 memcpy(trk->vosData, pkt->data, size);
2327 trk->cluster[trk->entry].pos = avio_tell(pb) - (mov->frag_seq_num==0 ? size : 0);
2328 trk->cluster[trk->entry].samplesInChunk = samplesInChunk;
2329 trk->cluster[trk->entry].chunkNum = 0;
2330 trk->cluster[trk->entry].size = size;
2331 trk->cluster[trk->entry].entries = samplesInChunk;
2332 trk->cluster[trk->entry].dts = pkt->dts;
2333 trk->trackDuration = pkt->dts - trk->cluster[0].dts + pkt->duration;
2335 if (pkt->pts == AV_NOPTS_VALUE) {
2336 av_log(s, AV_LOG_WARNING, "pts has no value\n");
2337 pkt->pts = pkt->dts;
2339 if (pkt->dts != pkt->pts)
2340 trk->flags |= MOV_TRACK_CTTS;
2341 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
2342 trk->cluster[trk->entry].flags = 0;
2343 if (pkt->flags & AV_PKT_FLAG_KEY) {
2344 if (mov->mode == MODE_MOV && enc->codec_id == CODEC_ID_MPEG2VIDEO &&
2345 trk->entry > 0) { // force sync sample for the first key frame
2346 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
2347 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
2348 trk->flags |= MOV_TRACK_STPS;
2350 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
2352 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
2353 trk->hasKeyframes++;
2356 trk->sampleCount += samplesInChunk;
2357 mov->mdat_size += size;
2361 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
2362 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
2363 reformatted_data, size);
2364 av_free(reformatted_data);
2368 // QuickTime chapters involve an additional text track with the chapter names
2369 // as samples, and a tref pointing from the other tracks to the chapter one.
2370 static void mov_create_chapter_track(AVFormatContext *s, int tracknum)
2372 MOVMuxContext *mov = s->priv_data;
2373 MOVTrack *track = &mov->tracks[tracknum];
2374 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
2377 track->mode = mov->mode;
2378 track->tag = MKTAG('t','e','x','t');
2379 track->timescale = MOV_TIMESCALE;
2380 track->enc = avcodec_alloc_context3(NULL);
2381 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
2383 for (i = 0; i < s->nb_chapters; i++) {
2384 AVChapter *c = s->chapters[i];
2385 AVDictionaryEntry *t;
2387 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
2388 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
2389 pkt.duration = end - pkt.dts;
2391 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
2392 len = strlen(t->value);
2394 pkt.data = av_malloc(pkt.size);
2395 AV_WB16(pkt.data, len);
2396 memcpy(pkt.data+2, t->value, len);
2397 ff_mov_write_packet(s, &pkt);
2398 av_freep(&pkt.data);
2403 static int mov_write_header(AVFormatContext *s)
2405 AVIOContext *pb = s->pb;
2406 MOVMuxContext *mov = s->priv_data;
2407 AVDictionaryEntry *t;
2408 int i, hint_track = 0;
2410 if (!s->pb->seekable) {
2411 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
2415 /* Default mode == MP4 */
2416 mov->mode = MODE_MP4;
2418 if(mov->max_fragment_duration || mov->max_fragment_size){
2422 if (s->oformat != NULL) {
2423 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
2424 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
2425 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
2426 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
2427 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
2429 mov_write_ftyp_tag(pb,s);
2430 if (mov->mode == MODE_PSP) {
2431 if (s->nb_streams != 2) {
2432 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
2435 mov_write_uuidprof_tag(pb,s);
2439 mov->nb_streams = s->nb_streams;
2440 if (mov->mode & (MODE_MOV|MODE_IPOD) && s->nb_chapters)
2441 mov->chapter_track = mov->nb_streams++;
2443 #if FF_API_FLAG_RTP_HINT
2444 if (s->flags & AVFMT_FLAG_RTP_HINT) {
2445 av_log(s, AV_LOG_WARNING, "The RTP_HINT flag is deprecated, enable it "
2446 "via the -movflags rtphint muxer option "
2448 mov->flags |= FF_MOV_FLAG_RTP_HINT;
2451 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
2452 /* Add hint tracks for each audio and video stream */
2453 hint_track = mov->nb_streams;
2454 for (i = 0; i < s->nb_streams; i++) {
2455 AVStream *st = s->streams[i];
2456 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2457 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
2463 mov->tracks = av_mallocz(mov->nb_streams*sizeof(*mov->tracks));
2465 return AVERROR(ENOMEM);
2467 for(i=0; i<s->nb_streams; i++){
2468 AVStream *st= s->streams[i];
2469 MOVTrack *track= &mov->tracks[i];
2470 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
2472 track->enc = st->codec;
2473 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
2474 if (track->language < 0)
2475 track->language = 0;
2476 track->mode = mov->mode;
2477 track->tag = mov_find_codec_tag(s, track);
2479 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
2480 "codec not currently supported in container\n", i);
2483 /* If hinting of this track is enabled by a later hint track,
2484 * this is updated. */
2485 track->hint_track = -1;
2486 if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
2487 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
2488 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
2489 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
2490 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
2491 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
2494 track->height = track->tag>>24 == 'n' ? 486 : 576;
2496 track->timescale = st->codec->time_base.den;
2497 if (track->mode == MODE_MOV && track->timescale > 100000)
2498 av_log(s, AV_LOG_WARNING,
2499 "WARNING codec timebase is very high. If duration is too long,\n"
2500 "file may not be playable by quicktime. Specify a shorter timebase\n"
2501 "or choose different container.\n");
2502 }else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
2503 track->timescale = st->codec->sample_rate;
2504 /* set sampleSize for PCM and ADPCM */
2505 if (av_get_bits_per_sample(st->codec->codec_id)) {
2506 if (!st->codec->block_align) {
2507 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set\n", i);
2510 track->sampleSize = st->codec->block_align;
2512 /* set audio_vbr for compressed audio */
2513 if (av_get_bits_per_sample(st->codec->codec_id) < 8) {
2514 if (!st->codec->frame_size) {
2515 av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
2518 track->audio_vbr = 1;
2520 if (track->mode != MODE_MOV) {
2521 if (track->timescale > UINT16_MAX) {
2522 av_log(s, AV_LOG_ERROR, "track %d: output format does not support "
2523 "sample rate %dhz\n", i, track->timescale);
2526 if (track->enc->codec_id == CODEC_ID_MP3 && track->timescale < 16000) {
2527 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
2528 i, track->enc->sample_rate);
2532 }else if(st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE){
2533 track->timescale = st->codec->time_base.den;
2536 track->height = st->codec->height;
2538 avpriv_set_pts_info(st, 64, 1, track->timescale);
2541 if(mov->reserved_moov_size){
2542 mov->reserved_moov_pos= avio_tell(pb);
2543 avio_skip(pb, mov->reserved_moov_size);
2546 mov_write_mdat_tag(pb, mov);
2548 #if FF_API_TIMESTAMP
2550 mov->time = s->timestamp;
2553 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
2554 mov->time = ff_iso8601_to_unix_time(t->value);
2555 mov->time += 0x7C25B080; //1970 based -> 1904 based
2557 if (mov->chapter_track)
2558 mov_create_chapter_track(s, mov->chapter_track);
2560 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
2561 /* Initialize the hint tracks for each audio and video stream */
2562 for (i = 0; i < s->nb_streams; i++) {
2563 AVStream *st = s->streams[i];
2564 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2565 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
2566 ff_mov_init_hinting(s, hint_track, i);
2576 av_freep(&mov->tracks);
2580 static int update_first_fragment(AVFormatContext *s)
2582 MOVMuxContext *mov = s->priv_data;
2583 AVIOContext *pb = s->pb;
2587 int64_t moov_pos = avio_tell(pb);
2589 /* Write size of mdat tag */
2590 if (mov->mdat_size+8 <= UINT32_MAX) {
2591 avio_seek(pb, mov->mdat_pos, SEEK_SET);
2592 avio_wb32(pb, mov->mdat_size+8);
2594 /* overwrite 'wide' placeholder atom */
2595 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
2596 avio_wb32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */
2597 ffio_wfourcc(pb, "mdat");
2598 avio_wb64(pb, mov->mdat_size+16);
2600 avio_seek(pb, mov->reserved_moov_size ? mov->reserved_moov_pos : moov_pos, SEEK_SET);
2602 mov_write_moov_tag(pb, mov, s);
2603 if(mov->reserved_moov_size){
2604 int64_t size= mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_moov_pos);
2606 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
2609 avio_wb32(pb, size);
2610 ffio_wfourcc(pb, "free");
2611 for(i=0; i<size; i++)
2613 avio_seek(pb, moov_pos, SEEK_SET);
2619 static int mov_write_trailer(AVFormatContext *s)
2621 MOVMuxContext *mov = s->priv_data;
2622 AVIOContext *pb = s->pb;
2626 flush_cluster_buffer(s);
2628 if (mov->chapter_track)
2629 av_freep(&mov->tracks[mov->chapter_track].enc);
2631 for (i=0; i<mov->nb_streams; i++) {
2632 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
2633 ff_mov_close_hinting(&mov->tracks[i]);
2634 av_freep(&mov->tracks[i].cluster);
2636 if(mov->tracks[i].vosLen) av_free(mov->tracks[i].vosData);
2642 av_freep(&mov->tracks);
2647 #if CONFIG_MOV_MUXER
2649 AVOutputFormat ff_mov_muxer = {
2651 .long_name = NULL_IF_CONFIG_SMALL("MOV format"),
2652 .extensions = "mov",
2653 .priv_data_size = sizeof(MOVMuxContext),
2654 .audio_codec = CODEC_ID_AAC,
2655 #if CONFIG_LIBX264_ENCODER
2656 .video_codec = CODEC_ID_H264,
2658 .video_codec = CODEC_ID_MPEG4,
2660 .write_header = mov_write_header,
2661 .write_packet = ff_mov_write_packet,
2662 .write_trailer = mov_write_trailer,
2663 .flags = AVFMT_GLOBALHEADER,
2664 .codec_tag = (const AVCodecTag* const []){codec_movvideo_tags, codec_movaudio_tags, 0},
2665 .priv_class = &mov_muxer_class,
2668 #if CONFIG_TGP_MUXER
2670 AVOutputFormat ff_tgp_muxer = {
2672 .long_name = NULL_IF_CONFIG_SMALL("3GP format"),
2673 .extensions = "3gp",
2674 .priv_data_size = sizeof(MOVMuxContext),
2675 .audio_codec = CODEC_ID_AMR_NB,
2676 .video_codec = CODEC_ID_H263,
2677 .write_header = mov_write_header,
2678 .write_packet = ff_mov_write_packet,
2679 .write_trailer = mov_write_trailer,
2680 .flags = AVFMT_GLOBALHEADER,
2681 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
2682 .priv_class = &tgp_muxer_class,
2685 #if CONFIG_MP4_MUXER
2687 AVOutputFormat ff_mp4_muxer = {
2689 .long_name = NULL_IF_CONFIG_SMALL("MP4 format"),
2690 .mime_type = "application/mp4",
2691 .extensions = "mp4",
2692 .priv_data_size = sizeof(MOVMuxContext),
2693 .audio_codec = CODEC_ID_AAC,
2694 #if CONFIG_LIBX264_ENCODER
2695 .video_codec = CODEC_ID_H264,
2697 .video_codec = CODEC_ID_MPEG4,
2699 .write_header = mov_write_header,
2700 .write_packet = ff_mov_write_packet,
2701 .write_trailer = mov_write_trailer,
2702 .flags = AVFMT_GLOBALHEADER,
2703 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
2704 .priv_class = &mp4_muxer_class,
2707 #if CONFIG_PSP_MUXER
2709 AVOutputFormat ff_psp_muxer = {
2711 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 format"),
2712 .extensions = "mp4,psp",
2713 .priv_data_size = sizeof(MOVMuxContext),
2714 .audio_codec = CODEC_ID_AAC,
2715 #if CONFIG_LIBX264_ENCODER
2716 .video_codec = CODEC_ID_H264,
2718 .video_codec = CODEC_ID_MPEG4,
2720 .write_header = mov_write_header,
2721 .write_packet = ff_mov_write_packet,
2722 .write_trailer = mov_write_trailer,
2723 .flags = AVFMT_GLOBALHEADER,
2724 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
2725 .priv_class = &psp_muxer_class,
2728 #if CONFIG_TG2_MUXER
2730 AVOutputFormat ff_tg2_muxer = {
2732 .long_name = NULL_IF_CONFIG_SMALL("3GP2 format"),
2733 .extensions = "3g2",
2734 .priv_data_size = sizeof(MOVMuxContext),
2735 .audio_codec = CODEC_ID_AMR_NB,
2736 .video_codec = CODEC_ID_H263,
2737 .write_header = mov_write_header,
2738 .write_packet = ff_mov_write_packet,
2739 .write_trailer = mov_write_trailer,
2740 .flags = AVFMT_GLOBALHEADER,
2741 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
2742 .priv_class = &tg2_muxer_class,
2745 #if CONFIG_IPOD_MUXER
2747 AVOutputFormat ff_ipod_muxer = {
2749 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"),
2750 .mime_type = "application/mp4",
2751 .extensions = "m4v,m4a",
2752 .priv_data_size = sizeof(MOVMuxContext),
2753 .audio_codec = CODEC_ID_AAC,
2754 .video_codec = CODEC_ID_H264,
2755 .write_header = mov_write_header,
2756 .write_packet = ff_mov_write_packet,
2757 .write_trailer = mov_write_trailer,
2758 .flags = AVFMT_GLOBALHEADER,
2759 .codec_tag = (const AVCodecTag* const []){codec_ipod_tags, 0},
2760 .priv_class = &ipod_muxer_class,