3 * Copyright (c) 2003 Thomas Raivio
4 * Copyright (c) 2004 Gildas Bazin <gbazin at videolan dot org>
5 * Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
7 * This file is part of Libav.
9 * Libav is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
14 * Libav is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with Libav; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
26 #include "avio_internal.h"
31 #include "libavcodec/get_bits.h"
32 #include "libavcodec/put_bits.h"
34 #include "libavutil/avstring.h"
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 { "empty_moov", "Make the initial moov atom empty (not supported by QuickTime)", 0, AV_OPT_TYPE_CONST, {.dbl = FF_MOV_FLAG_EMPTY_MOOV}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
49 { "frag_keyframe", "Fragment at video keyframes", 0, AV_OPT_TYPE_CONST, {.dbl = FF_MOV_FLAG_FRAG_KEYFRAME}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
50 { "separate_moof", "Write separate moof/mdat atoms for each track", 0, AV_OPT_TYPE_CONST, {.dbl = FF_MOV_FLAG_SEPARATE_MOOF}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
51 { "frag_custom", "Flush fragments on caller requests", 0, AV_OPT_TYPE_CONST, {.dbl = FF_MOV_FLAG_FRAG_CUSTOM}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
52 FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
53 { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_INT, {.dbl = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
54 { "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},
55 { "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},
56 { "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.dbl = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
57 { "frag_size", "Maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.dbl = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
58 { "ism_lookahead", "Number of lookahead entries for ISM files", offsetof(MOVMuxContext, ism_lookahead), AV_OPT_TYPE_INT, {.dbl = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
62 #define MOV_CLASS(flavor)\
63 static const AVClass flavor ## _muxer_class = {\
64 .class_name = #flavor " muxer",\
65 .item_name = av_default_item_name,\
67 .version = LIBAVUTIL_VERSION_INT,\
70 //FIXME support 64 bit variant with wide placeholders
71 static int64_t updateSize(AVIOContext *pb, int64_t pos)
73 int64_t curpos = avio_tell(pb);
74 avio_seek(pb, pos, SEEK_SET);
75 avio_wb32(pb, curpos - pos); /* rewrite size */
76 avio_seek(pb, curpos, SEEK_SET);
81 /* Chunk offset atom */
82 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
85 int mode64 = 0; // use 32 bit size variant if possible
86 int64_t pos = avio_tell(pb);
87 avio_wb32(pb, 0); /* size */
88 if (pos > UINT32_MAX) {
90 ffio_wfourcc(pb, "co64");
92 ffio_wfourcc(pb, "stco");
93 avio_wb32(pb, 0); /* version & flags */
94 avio_wb32(pb, track->entry); /* entry count */
95 for (i=0; i<track->entry; i++) {
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;
123 if (equalChunks && track->entry) {
124 int sSize = track->entry ? track->cluster[0].size/track->cluster[0].entries : 0;
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->entry); // entry count
154 for (i=0; i<track->entry; i++) {
155 if(oldval != track->cluster[i].samplesInChunk)
157 avio_wb32(pb, i+1); // 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 int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
283 int64_t pos = avio_tell(pb);
284 int decoderSpecificInfoLen = track->vosLen ? 5+track->vosLen : 0;
286 avio_wb32(pb, 0); // size
287 ffio_wfourcc(pb, "esds");
288 avio_wb32(pb, 0); // Version
291 putDescr(pb, 0x03, 3 + 5+13 + decoderSpecificInfoLen + 5+1);
292 avio_wb16(pb, track->trackID);
293 avio_w8(pb, 0x00); // flags (= no flags)
295 // DecoderConfig descriptor
296 putDescr(pb, 0x04, 13 + decoderSpecificInfoLen);
298 // Object type indication
299 if ((track->enc->codec_id == CODEC_ID_MP2 ||
300 track->enc->codec_id == CODEC_ID_MP3) &&
301 track->enc->sample_rate > 24000)
302 avio_w8(pb, 0x6B); // 11172-3
304 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
306 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
307 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
308 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
309 avio_w8(pb, 0x15); // flags (= Audiostream)
311 avio_w8(pb, 0x11); // flags (= Visualstream)
313 avio_w8(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits)
314 avio_wb16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB
316 avio_wb32(pb, FFMAX(track->enc->bit_rate, track->enc->rc_max_rate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
317 if(track->enc->rc_max_rate != track->enc->rc_min_rate || track->enc->rc_min_rate==0)
318 avio_wb32(pb, 0); // vbr
320 avio_wb32(pb, track->enc->rc_max_rate); // avg bitrate
323 // DecoderSpecific info descriptor
324 putDescr(pb, 0x05, track->vosLen);
325 avio_write(pb, track->vosData, track->vosLen);
329 putDescr(pb, 0x06, 1);
331 return updateSize(pb, pos);
334 static int mov_pcm_le_gt16(enum CodecID codec_id)
336 return codec_id == CODEC_ID_PCM_S24LE ||
337 codec_id == CODEC_ID_PCM_S32LE ||
338 codec_id == CODEC_ID_PCM_F32LE ||
339 codec_id == CODEC_ID_PCM_F64LE;
342 static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
344 int64_t pos = avio_tell(pb);
346 avio_wl32(pb, track->tag); // store it byteswapped
347 track->enc->codec_tag = av_bswap16(track->tag >> 16);
348 ff_put_wav_header(pb, track->enc);
349 return updateSize(pb, pos);
352 static int mov_write_chan_tag(AVIOContext *pb, MOVTrack *track)
354 uint32_t layout_tag, bitmap;
355 int64_t pos = avio_tell(pb);
357 layout_tag = ff_mov_get_channel_layout_tag(track->enc->codec_id,
358 track->enc->channel_layout,
361 av_log(track->enc, AV_LOG_WARNING, "not writing 'chan' tag due to "
362 "lack of channel information\n");
366 avio_wb32(pb, 0); // Size
367 ffio_wfourcc(pb, "chan"); // Type
368 avio_w8(pb, 0); // Version
369 avio_wb24(pb, 0); // Flags
370 avio_wb32(pb, layout_tag); // mChannelLayoutTag
371 avio_wb32(pb, bitmap); // mChannelBitmap
372 avio_wb32(pb, 0); // mNumberChannelDescriptions
374 return updateSize(pb, pos);
377 static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
379 int64_t pos = avio_tell(pb);
381 avio_wb32(pb, 0); /* size */
382 ffio_wfourcc(pb, "wave");
384 avio_wb32(pb, 12); /* size */
385 ffio_wfourcc(pb, "frma");
386 avio_wl32(pb, track->tag);
388 if (track->enc->codec_id == CODEC_ID_AAC) {
389 /* useless atom needed by mplayer, ipod, not needed by quicktime */
390 avio_wb32(pb, 12); /* size */
391 ffio_wfourcc(pb, "mp4a");
393 mov_write_esds_tag(pb, track);
394 } else if (mov_pcm_le_gt16(track->enc->codec_id)) {
395 mov_write_enda_tag(pb);
396 } else if (track->enc->codec_id == CODEC_ID_AMR_NB) {
397 mov_write_amr_tag(pb, track);
398 } else if (track->enc->codec_id == CODEC_ID_AC3) {
399 mov_write_chan_tag(pb, track);
400 mov_write_ac3_tag(pb, track);
401 } else if (track->enc->codec_id == CODEC_ID_ALAC) {
402 mov_write_extradata_tag(pb, track);
403 } else if (track->enc->codec_id == CODEC_ID_ADPCM_MS ||
404 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
405 mov_write_ms_tag(pb, track);
408 avio_wb32(pb, 8); /* size */
409 avio_wb32(pb, 0); /* null tag */
411 return updateSize(pb, pos);
414 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
416 avio_wb32(pb, track->vosLen+8);
417 ffio_wfourcc(pb, "glbl");
418 avio_write(pb, track->vosData, track->vosLen);
419 return 8+track->vosLen;
423 * Compute flags for 'lpcm' tag.
424 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
426 static int mov_get_lpcm_flags(enum CodecID codec_id)
429 case CODEC_ID_PCM_F32BE:
430 case CODEC_ID_PCM_F64BE:
432 case CODEC_ID_PCM_F32LE:
433 case CODEC_ID_PCM_F64LE:
435 case CODEC_ID_PCM_U8:
437 case CODEC_ID_PCM_S16BE:
438 case CODEC_ID_PCM_S24BE:
439 case CODEC_ID_PCM_S32BE:
441 case CODEC_ID_PCM_S8:
442 case CODEC_ID_PCM_S16LE:
443 case CODEC_ID_PCM_S24LE:
444 case CODEC_ID_PCM_S32LE:
451 static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
453 int64_t pos = avio_tell(pb);
455 uint32_t tag = track->tag;
457 if (track->mode == MODE_MOV) {
458 if (mov_get_lpcm_flags(track->enc->codec_id))
459 tag = AV_RL32("lpcm");
463 avio_wb32(pb, 0); /* size */
464 avio_wl32(pb, tag); // store it byteswapped
465 avio_wb32(pb, 0); /* Reserved */
466 avio_wb16(pb, 0); /* Reserved */
467 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
469 /* SoundDescription */
470 avio_wb16(pb, version); /* Version */
471 avio_wb16(pb, 0); /* Revision level */
472 avio_wb32(pb, 0); /* Reserved */
477 avio_wb16(pb, 0xfffe);
479 avio_wb32(pb, 0x00010000);
481 avio_wb64(pb, av_double2int(track->enc->sample_rate));
482 avio_wb32(pb, track->enc->channels);
483 avio_wb32(pb, 0x7F000000);
484 avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
485 avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
486 avio_wb32(pb, track->sampleSize);
487 avio_wb32(pb, track->audio_vbr ? track->enc->frame_size : 1);
489 /* reserved for mp4/3gp */
494 avio_wb16(pb, 0); /* packet size (= 0) */
495 avio_wb16(pb, track->enc->sample_rate);
496 avio_wb16(pb, 0); /* Reserved */
499 if(track->mode == MODE_MOV &&
500 (track->enc->codec_id == CODEC_ID_AAC ||
501 track->enc->codec_id == CODEC_ID_AC3 ||
502 track->enc->codec_id == CODEC_ID_AMR_NB ||
503 track->enc->codec_id == CODEC_ID_ALAC ||
504 track->enc->codec_id == CODEC_ID_ADPCM_MS ||
505 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV ||
506 mov_pcm_le_gt16(track->enc->codec_id)))
507 mov_write_wave_tag(pb, track);
508 else if(track->tag == MKTAG('m','p','4','a'))
509 mov_write_esds_tag(pb, track);
510 else if(track->enc->codec_id == CODEC_ID_AMR_NB)
511 mov_write_amr_tag(pb, track);
512 else if(track->enc->codec_id == CODEC_ID_AC3)
513 mov_write_ac3_tag(pb, track);
514 else if(track->enc->codec_id == CODEC_ID_ALAC)
515 mov_write_extradata_tag(pb, track);
516 else if(track->vosLen > 0)
517 mov_write_glbl_tag(pb, track);
519 return updateSize(pb, pos);
522 static int mov_write_d263_tag(AVIOContext *pb)
524 avio_wb32(pb, 0xf); /* size */
525 ffio_wfourcc(pb, "d263");
526 ffio_wfourcc(pb, "FFMP");
527 avio_w8(pb, 0); /* decoder version */
528 /* FIXME use AVCodecContext level/profile, when encoder will set values */
529 avio_w8(pb, 0xa); /* level */
530 avio_w8(pb, 0); /* profile */
534 /* TODO: No idea about these values */
535 static int mov_write_svq3_tag(AVIOContext *pb)
538 ffio_wfourcc(pb, "SMI ");
539 ffio_wfourcc(pb, "SEQH");
541 avio_wb32(pb, 0xe2c0211d);
542 avio_wb32(pb, 0xc0000000);
547 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
549 int64_t pos = avio_tell(pb);
552 ffio_wfourcc(pb, "avcC");
553 ff_isom_write_avcc(pb, track->vosData, track->vosLen);
554 return updateSize(pb, pos);
557 /* also used by all avid codecs (dv, imx, meridien) and their variants */
558 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
561 avio_wb32(pb, 24); /* size */
562 ffio_wfourcc(pb, "ACLR");
563 ffio_wfourcc(pb, "ACLR");
564 ffio_wfourcc(pb, "0001");
565 avio_wb32(pb, 2); /* yuv range: full 1 / normal 2 */
566 avio_wb32(pb, 0); /* unknown */
568 avio_wb32(pb, 24); /* size */
569 ffio_wfourcc(pb, "APRG");
570 ffio_wfourcc(pb, "APRG");
571 ffio_wfourcc(pb, "0001");
572 avio_wb32(pb, 1); /* unknown */
573 avio_wb32(pb, 0); /* unknown */
575 avio_wb32(pb, 120); /* size */
576 ffio_wfourcc(pb, "ARES");
577 ffio_wfourcc(pb, "ARES");
578 ffio_wfourcc(pb, "0001");
579 avio_wb32(pb, AV_RB32(track->vosData + 0x28)); /* dnxhd cid, some id ? */
580 avio_wb32(pb, track->enc->width);
581 /* values below are based on samples created with quicktime and avid codecs */
582 if (track->vosData[5] & 2) { // interlaced
583 avio_wb32(pb, track->enc->height/2);
584 avio_wb32(pb, 2); /* unknown */
585 avio_wb32(pb, 0); /* unknown */
586 avio_wb32(pb, 4); /* unknown */
588 avio_wb32(pb, track->enc->height);
589 avio_wb32(pb, 1); /* unknown */
590 avio_wb32(pb, 0); /* unknown */
591 if (track->enc->height == 1080)
592 avio_wb32(pb, 5); /* unknown */
594 avio_wb32(pb, 6); /* unknown */
597 for (i = 0; i < 10; i++)
600 /* extra padding for stsd needed */
605 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
607 int tag = track->enc->codec_tag;
609 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
612 if (track->enc->codec_id == CODEC_ID_H264) tag = MKTAG('a','v','c','1');
613 else if (track->enc->codec_id == CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
614 else if (track->enc->codec_id == CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
615 else if (track->enc->codec_id == CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
616 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
617 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
622 static const AVCodecTag codec_ipod_tags[] = {
623 { CODEC_ID_H264, MKTAG('a','v','c','1') },
624 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
625 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
626 { CODEC_ID_ALAC, MKTAG('a','l','a','c') },
627 { CODEC_ID_AC3, MKTAG('a','c','-','3') },
628 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
629 { CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
630 { CODEC_ID_NONE, 0 },
633 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
635 int tag = track->enc->codec_tag;
637 // keep original tag for subs, ipod supports both formats
638 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
639 (tag == MKTAG('t','x','3','g') ||
640 tag == MKTAG('t','e','x','t'))))
641 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
643 if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v"))
644 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
645 "Quicktime/Ipod might not play the file\n");
650 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
654 if (track->enc->width == 720) /* SD */
655 if (track->enc->height == 480) /* NTSC */
656 if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
657 else tag = MKTAG('d','v','c',' ');
658 else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
659 else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
660 else tag = MKTAG('d','v','p','p');
661 else if (track->enc->height == 720) /* HD 720 line */
662 if (track->enc->time_base.den == 50) tag = MKTAG('d','v','h','q');
663 else tag = MKTAG('d','v','h','p');
664 else if (track->enc->height == 1080) /* HD 1080 line */
665 if (track->enc->time_base.den == 25) tag = MKTAG('d','v','h','5');
666 else tag = MKTAG('d','v','h','6');
668 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
675 static const struct {
676 enum PixelFormat pix_fmt;
679 } mov_pix_fmt_tags[] = {
680 { PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
681 { PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
682 { PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
683 { PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
684 { PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
685 { PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
686 { PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
687 { PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
688 { PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
689 { PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
690 { PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
691 { PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
692 { PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
693 { PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
696 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
698 int tag = track->enc->codec_tag;
701 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
702 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
703 tag = mov_pix_fmt_tags[i].tag;
704 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
712 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
714 int tag = track->enc->codec_tag;
716 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
717 (track->enc->codec_id == CODEC_ID_DVVIDEO ||
718 track->enc->codec_id == CODEC_ID_RAWVIDEO ||
719 track->enc->codec_id == CODEC_ID_H263 ||
720 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
721 if (track->enc->codec_id == CODEC_ID_DVVIDEO)
722 tag = mov_get_dv_codec_tag(s, track);
723 else if (track->enc->codec_id == CODEC_ID_RAWVIDEO)
724 tag = mov_get_rawvideo_codec_tag(s, track);
725 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
726 tag = ff_codec_get_tag(codec_movvideo_tags, track->enc->codec_id);
727 if (!tag) { // if no mac fcc found, try with Microsoft tags
728 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
730 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
731 "the file may be unplayable!\n");
733 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
734 tag = ff_codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
735 if (!tag) { // if no mac fcc found, try with Microsoft tags
736 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
738 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
739 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
740 "the file may be unplayable!\n");
743 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
744 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
750 static const AVCodecTag codec_3gp_tags[] = {
751 { CODEC_ID_H263, MKTAG('s','2','6','3') },
752 { CODEC_ID_H264, MKTAG('a','v','c','1') },
753 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
754 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
755 { CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
756 { CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
757 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
758 { CODEC_ID_NONE, 0 },
761 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
763 int tag = track->enc->codec_tag;
765 if (track->mode == MODE_MP4 || track->mode == MODE_PSP || track->mode == MODE_ISM)
766 tag = mp4_get_codec_tag(s, track);
767 else if (track->mode == MODE_IPOD)
768 tag = ipod_get_codec_tag(s, track);
769 else if (track->mode & MODE_3GP)
770 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
772 tag = mov_get_codec_tag(s, track);
778 * Needed to make file play in iPods running newest firmware
779 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
781 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
784 ffio_wfourcc(pb, "uuid");
785 avio_wb32(pb, 0x6b6840f2);
786 avio_wb32(pb, 0x5f244fc5);
787 avio_wb32(pb, 0xba39a51b);
788 avio_wb32(pb, 0xcf0323f3);
793 static const uint16_t fiel_data[] = {
794 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
797 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track)
799 unsigned mov_field_order = 0;
800 if (track->enc->field_order < FF_ARRAY_ELEMS(fiel_data))
801 mov_field_order = fiel_data[track->enc->field_order];
805 ffio_wfourcc(pb, "fiel");
806 avio_wb16(pb, mov_field_order);
810 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
812 int64_t pos = avio_tell(pb);
813 avio_wb32(pb, 0); /* size */
814 avio_wl32(pb, track->tag); // store it byteswapped
815 avio_wb32(pb, 0); /* Reserved */
816 avio_wb16(pb, 0); /* Reserved */
817 avio_wb16(pb, 1); /* Data-reference index */
819 if (track->enc->extradata_size)
820 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
822 return updateSize(pb, pos);
825 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
828 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
829 track->enc->sample_aspect_ratio.den, INT_MAX);
832 ffio_wfourcc(pb, "pasp");
833 avio_wb32(pb, sar.num);
834 avio_wb32(pb, sar.den);
838 static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
840 int64_t pos = avio_tell(pb);
841 char compressor_name[32];
843 avio_wb32(pb, 0); /* size */
844 avio_wl32(pb, track->tag); // store it byteswapped
845 avio_wb32(pb, 0); /* Reserved */
846 avio_wb16(pb, 0); /* Reserved */
847 avio_wb16(pb, 1); /* Data-reference index */
849 avio_wb16(pb, 0); /* Codec stream version */
850 avio_wb16(pb, 0); /* Codec stream revision (=0) */
851 if (track->mode == MODE_MOV) {
852 ffio_wfourcc(pb, "FFMP"); /* Vendor */
853 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
854 avio_wb32(pb, 0); /* Temporal Quality */
855 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
857 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
858 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
861 avio_wb32(pb, 0); /* Reserved */
862 avio_wb32(pb, 0); /* Reserved */
863 avio_wb32(pb, 0); /* Reserved */
865 avio_wb16(pb, track->enc->width); /* Video width */
866 avio_wb16(pb, track->height); /* Video height */
867 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
868 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
869 avio_wb32(pb, 0); /* Data size (= 0) */
870 avio_wb16(pb, 1); /* Frame count (= 1) */
872 memset(compressor_name,0,32);
873 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
874 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
875 av_strlcpy(compressor_name,track->enc->codec->name,32);
876 avio_w8(pb, strlen(compressor_name));
877 avio_write(pb, compressor_name, 31);
879 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
880 avio_wb16(pb, track->enc->bits_per_coded_sample);
882 avio_wb16(pb, 0x18); /* Reserved */
883 avio_wb16(pb, 0xffff); /* Reserved */
884 if(track->tag == MKTAG('m','p','4','v'))
885 mov_write_esds_tag(pb, track);
886 else if(track->enc->codec_id == CODEC_ID_H263)
887 mov_write_d263_tag(pb);
888 else if(track->enc->codec_id == CODEC_ID_SVQ3)
889 mov_write_svq3_tag(pb);
890 else if(track->enc->codec_id == CODEC_ID_DNXHD)
891 mov_write_avid_tag(pb, track);
892 else if(track->enc->codec_id == CODEC_ID_H264) {
893 mov_write_avcc_tag(pb, track);
894 if(track->mode == MODE_IPOD)
895 mov_write_uuid_tag_ipod(pb);
896 } else if (track->enc->field_order != AV_FIELD_UNKNOWN)
897 mov_write_fiel_tag(pb, track);
898 else if(track->vosLen > 0)
899 mov_write_glbl_tag(pb, track);
901 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
902 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
903 mov_write_pasp_tag(pb, track);
906 return updateSize(pb, pos);
909 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
911 int64_t pos = avio_tell(pb);
912 avio_wb32(pb, 0); /* size */
913 ffio_wfourcc(pb, "rtp ");
914 avio_wb32(pb, 0); /* Reserved */
915 avio_wb16(pb, 0); /* Reserved */
916 avio_wb16(pb, 1); /* Data-reference index */
918 avio_wb16(pb, 1); /* Hint track version */
919 avio_wb16(pb, 1); /* Highest compatible version */
920 avio_wb32(pb, track->max_packet_size); /* Max packet size */
922 avio_wb32(pb, 12); /* size */
923 ffio_wfourcc(pb, "tims");
924 avio_wb32(pb, track->timescale);
926 return updateSize(pb, pos);
929 static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
931 int64_t pos = avio_tell(pb);
932 avio_wb32(pb, 0); /* size */
933 ffio_wfourcc(pb, "stsd");
934 avio_wb32(pb, 0); /* version & flags */
935 avio_wb32(pb, 1); /* entry count */
936 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
937 mov_write_video_tag(pb, track);
938 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
939 mov_write_audio_tag(pb, track);
940 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
941 mov_write_subtitle_tag(pb, track);
942 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
943 mov_write_rtp_tag(pb, track);
944 return updateSize(pb, pos);
947 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
949 MOVStts *ctts_entries;
950 uint32_t entries = 0;
954 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
955 ctts_entries[0].count = 1;
956 ctts_entries[0].duration = track->cluster[0].cts;
957 for (i=1; i<track->entry; i++) {
958 if (track->cluster[i].cts == ctts_entries[entries].duration) {
959 ctts_entries[entries].count++; /* compress */
962 ctts_entries[entries].duration = track->cluster[i].cts;
963 ctts_entries[entries].count = 1;
966 entries++; /* last one */
967 atom_size = 16 + (entries * 8);
968 avio_wb32(pb, atom_size); /* size */
969 ffio_wfourcc(pb, "ctts");
970 avio_wb32(pb, 0); /* version & flags */
971 avio_wb32(pb, entries); /* entry count */
972 for (i=0; i<entries; i++) {
973 avio_wb32(pb, ctts_entries[i].count);
974 avio_wb32(pb, ctts_entries[i].duration);
976 av_free(ctts_entries);
980 /* Time to sample atom */
981 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
983 MOVStts *stts_entries;
984 uint32_t entries = -1;
988 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
989 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
990 stts_entries[0].count = track->sampleCount;
991 stts_entries[0].duration = 1;
994 stts_entries = track->entry ?
995 av_malloc(track->entry * sizeof(*stts_entries)) : /* worst case */
997 for (i=0; i<track->entry; i++) {
998 int64_t duration = i + 1 == track->entry ?
999 track->trackDuration - track->cluster[i].dts + track->start_dts : /* readjusting */
1000 track->cluster[i+1].dts - track->cluster[i].dts;
1001 if (i && duration == stts_entries[entries].duration) {
1002 stts_entries[entries].count++; /* compress */
1005 stts_entries[entries].duration = duration;
1006 stts_entries[entries].count = 1;
1009 entries++; /* last one */
1011 atom_size = 16 + (entries * 8);
1012 avio_wb32(pb, atom_size); /* size */
1013 ffio_wfourcc(pb, "stts");
1014 avio_wb32(pb, 0); /* version & flags */
1015 avio_wb32(pb, entries); /* entry count */
1016 for (i=0; i<entries; i++) {
1017 avio_wb32(pb, stts_entries[i].count);
1018 avio_wb32(pb, stts_entries[i].duration);
1020 av_free(stts_entries);
1024 static int mov_write_dref_tag(AVIOContext *pb)
1026 avio_wb32(pb, 28); /* size */
1027 ffio_wfourcc(pb, "dref");
1028 avio_wb32(pb, 0); /* version & flags */
1029 avio_wb32(pb, 1); /* entry count */
1031 avio_wb32(pb, 0xc); /* size */
1032 ffio_wfourcc(pb, "url ");
1033 avio_wb32(pb, 1); /* version & flags */
1038 static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
1040 int64_t pos = avio_tell(pb);
1041 avio_wb32(pb, 0); /* size */
1042 ffio_wfourcc(pb, "stbl");
1043 mov_write_stsd_tag(pb, track);
1044 mov_write_stts_tag(pb, track);
1045 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1046 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
1047 track->hasKeyframes && track->hasKeyframes < track->entry)
1048 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1049 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1050 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
1051 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1052 track->flags & MOV_TRACK_CTTS)
1053 mov_write_ctts_tag(pb, track);
1054 mov_write_stsc_tag(pb, track);
1055 mov_write_stsz_tag(pb, track);
1056 mov_write_stco_tag(pb, track);
1057 return updateSize(pb, pos);
1060 static int mov_write_dinf_tag(AVIOContext *pb)
1062 int64_t pos = avio_tell(pb);
1063 avio_wb32(pb, 0); /* size */
1064 ffio_wfourcc(pb, "dinf");
1065 mov_write_dref_tag(pb);
1066 return updateSize(pb, pos);
1069 static int mov_write_nmhd_tag(AVIOContext *pb)
1072 ffio_wfourcc(pb, "nmhd");
1077 static int mov_write_gmhd_tag(AVIOContext *pb)
1079 avio_wb32(pb, 0x20); /* size */
1080 ffio_wfourcc(pb, "gmhd");
1081 avio_wb32(pb, 0x18); /* gmin size */
1082 ffio_wfourcc(pb, "gmin");/* generic media info */
1083 avio_wb32(pb, 0); /* version & flags */
1084 avio_wb16(pb, 0x40); /* graphics mode = */
1085 avio_wb16(pb, 0x8000); /* opColor (r?) */
1086 avio_wb16(pb, 0x8000); /* opColor (g?) */
1087 avio_wb16(pb, 0x8000); /* opColor (b?) */
1088 avio_wb16(pb, 0); /* balance */
1089 avio_wb16(pb, 0); /* reserved */
1093 static int mov_write_smhd_tag(AVIOContext *pb)
1095 avio_wb32(pb, 16); /* size */
1096 ffio_wfourcc(pb, "smhd");
1097 avio_wb32(pb, 0); /* version & flags */
1098 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1099 avio_wb16(pb, 0); /* reserved */
1103 static int mov_write_vmhd_tag(AVIOContext *pb)
1105 avio_wb32(pb, 0x14); /* size (always 0x14) */
1106 ffio_wfourcc(pb, "vmhd");
1107 avio_wb32(pb, 0x01); /* version & flags */
1108 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
1112 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
1114 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1115 int64_t pos = avio_tell(pb);
1117 if (!track) { /* no media --> data handler */
1120 descr = "DataHandler";
1122 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1123 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1125 descr = "VideoHandler";
1126 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1128 descr = "SoundHandler";
1129 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1130 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
1131 else hdlr_type = "text";
1132 descr = "SubtitleHandler";
1133 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1135 descr = "HintHandler";
1139 avio_wb32(pb, 0); /* size */
1140 ffio_wfourcc(pb, "hdlr");
1141 avio_wb32(pb, 0); /* Version & flags */
1142 avio_write(pb, hdlr, 4); /* handler */
1143 ffio_wfourcc(pb, hdlr_type); /* handler type */
1144 avio_wb32(pb ,0); /* reserved */
1145 avio_wb32(pb ,0); /* reserved */
1146 avio_wb32(pb ,0); /* reserved */
1147 if (!track || track->mode == MODE_MOV)
1148 avio_w8(pb, strlen(descr)); /* pascal string */
1149 avio_write(pb, descr, strlen(descr)); /* handler description */
1150 if (track && track->mode != MODE_MOV)
1151 avio_w8(pb, 0); /* c string */
1152 return updateSize(pb, pos);
1155 static int mov_write_hmhd_tag(AVIOContext *pb)
1157 /* This atom must be present, but leaving the values at zero
1158 * seems harmless. */
1159 avio_wb32(pb, 28); /* size */
1160 ffio_wfourcc(pb, "hmhd");
1161 avio_wb32(pb, 0); /* version, flags */
1162 avio_wb16(pb, 0); /* maxPDUsize */
1163 avio_wb16(pb, 0); /* avgPDUsize */
1164 avio_wb32(pb, 0); /* maxbitrate */
1165 avio_wb32(pb, 0); /* avgbitrate */
1166 avio_wb32(pb, 0); /* reserved */
1170 static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
1172 int64_t pos = avio_tell(pb);
1173 avio_wb32(pb, 0); /* size */
1174 ffio_wfourcc(pb, "minf");
1175 if(track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1176 mov_write_vmhd_tag(pb);
1177 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1178 mov_write_smhd_tag(pb);
1179 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1180 if (track->tag == MKTAG('t','e','x','t')) mov_write_gmhd_tag(pb);
1181 else mov_write_nmhd_tag(pb);
1182 } else if (track->tag == MKTAG('r','t','p',' ')) {
1183 mov_write_hmhd_tag(pb);
1185 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1186 mov_write_hdlr_tag(pb, NULL);
1187 mov_write_dinf_tag(pb);
1188 mov_write_stbl_tag(pb, track);
1189 return updateSize(pb, pos);
1192 static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track)
1194 int version = track->trackDuration < INT32_MAX ? 0 : 1;
1196 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
1197 ffio_wfourcc(pb, "mdhd");
1198 avio_w8(pb, version);
1199 avio_wb24(pb, 0); /* flags */
1201 avio_wb64(pb, track->time);
1202 avio_wb64(pb, track->time);
1204 avio_wb32(pb, track->time); /* creation time */
1205 avio_wb32(pb, track->time); /* modification time */
1207 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
1208 (version == 1) ? avio_wb64(pb, track->trackDuration) : avio_wb32(pb, track->trackDuration); /* duration */
1209 avio_wb16(pb, track->language); /* language */
1210 avio_wb16(pb, 0); /* reserved (quality) */
1212 if(version!=0 && track->mode == MODE_MOV){
1213 av_log(NULL, AV_LOG_ERROR,
1214 "FATAL error, file duration too long for timebase, this file will not be\n"
1215 "playable with quicktime. Choose a different timebase or a different\n"
1216 "container format\n");
1222 static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track)
1224 int64_t pos = avio_tell(pb);
1225 avio_wb32(pb, 0); /* size */
1226 ffio_wfourcc(pb, "mdia");
1227 mov_write_mdhd_tag(pb, track);
1228 mov_write_hdlr_tag(pb, track);
1229 mov_write_minf_tag(pb, track);
1230 return updateSize(pb, pos);
1233 static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1235 int64_t duration = av_rescale_rnd(track->trackDuration, MOV_TIMESCALE,
1236 track->timescale, AV_ROUND_UP);
1237 int version = duration < INT32_MAX ? 0 : 1;
1239 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
1240 ffio_wfourcc(pb, "tkhd");
1241 avio_w8(pb, version);
1242 avio_wb24(pb, 0xf); /* flags (track enabled) */
1244 avio_wb64(pb, track->time);
1245 avio_wb64(pb, track->time);
1247 avio_wb32(pb, track->time); /* creation time */
1248 avio_wb32(pb, track->time); /* modification time */
1250 avio_wb32(pb, track->trackID); /* track-id */
1251 avio_wb32(pb, 0); /* reserved */
1252 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
1254 avio_wb32(pb, 0); /* reserved */
1255 avio_wb32(pb, 0); /* reserved */
1256 avio_wb16(pb, 0); /* layer */
1257 avio_wb16(pb, st ? st->codec->codec_type : 0); /* alternate group) */
1258 /* Volume, only for audio */
1259 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1260 avio_wb16(pb, 0x0100);
1263 avio_wb16(pb, 0); /* reserved */
1265 /* Matrix structure */
1266 avio_wb32(pb, 0x00010000); /* reserved */
1267 avio_wb32(pb, 0x0); /* reserved */
1268 avio_wb32(pb, 0x0); /* reserved */
1269 avio_wb32(pb, 0x0); /* reserved */
1270 avio_wb32(pb, 0x00010000); /* reserved */
1271 avio_wb32(pb, 0x0); /* reserved */
1272 avio_wb32(pb, 0x0); /* reserved */
1273 avio_wb32(pb, 0x0); /* reserved */
1274 avio_wb32(pb, 0x40000000); /* reserved */
1276 /* Track width and height, for visual only */
1277 if(st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1278 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
1279 if(track->mode == MODE_MOV) {
1280 avio_wb32(pb, track->enc->width << 16);
1281 avio_wb32(pb, track->height << 16);
1283 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1284 if(!sample_aspect_ratio || track->height != track->enc->height)
1285 sample_aspect_ratio = 1;
1286 avio_wb32(pb, sample_aspect_ratio * track->enc->width*0x10000);
1287 avio_wb32(pb, track->height*0x10000);
1297 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
1299 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
1300 track->enc->sample_aspect_ratio.den);
1302 int64_t pos = avio_tell(pb);
1304 avio_wb32(pb, 0); /* size */
1305 ffio_wfourcc(pb, "tapt");
1308 ffio_wfourcc(pb, "clef");
1310 avio_wb32(pb, width << 16);
1311 avio_wb32(pb, track->enc->height << 16);
1314 ffio_wfourcc(pb, "enof");
1316 avio_wb32(pb, track->enc->width << 16);
1317 avio_wb32(pb, track->enc->height << 16);
1319 return updateSize(pb, pos);
1322 // This box seems important for the psp playback ... without it the movie seems to hang
1323 static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track)
1325 int64_t duration = av_rescale_rnd(track->trackDuration, MOV_TIMESCALE,
1326 track->timescale, AV_ROUND_UP);
1327 int version = duration < INT32_MAX ? 0 : 1;
1328 int entry_size, entry_count, size;
1329 int64_t delay, start_ct = track->cluster[0].cts;
1330 delay = av_rescale_rnd(track->cluster[0].dts + start_ct, MOV_TIMESCALE,
1331 track->timescale, AV_ROUND_DOWN);
1332 version |= delay < INT32_MAX ? 0 : 1;
1334 entry_size = (version == 1) ? 20 : 12;
1335 entry_count = 1 + (delay > 0);
1336 size = 24 + entry_count * entry_size;
1338 /* write the atom data */
1339 avio_wb32(pb, size);
1340 ffio_wfourcc(pb, "edts");
1341 avio_wb32(pb, size - 8);
1342 ffio_wfourcc(pb, "elst");
1343 avio_w8(pb, version);
1344 avio_wb24(pb, 0); /* flags */
1346 avio_wb32(pb, entry_count);
1347 if (delay > 0) { /* add an empty edit to delay presentation */
1349 avio_wb64(pb, delay);
1352 avio_wb32(pb, delay);
1355 avio_wb32(pb, 0x00010000);
1360 avio_wb64(pb, duration);
1361 avio_wb64(pb, start_ct);
1363 avio_wb32(pb, duration);
1364 avio_wb32(pb, start_ct);
1366 avio_wb32(pb, 0x00010000);
1370 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
1372 avio_wb32(pb, 20); // size
1373 ffio_wfourcc(pb, "tref");
1374 avio_wb32(pb, 12); // size (subatom)
1375 avio_wl32(pb, track->tref_tag);
1376 avio_wb32(pb, track->tref_id);
1380 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1381 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
1383 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1384 ffio_wfourcc(pb, "uuid");
1385 ffio_wfourcc(pb, "USMT");
1386 avio_wb32(pb, 0x21d24fce);
1387 avio_wb32(pb, 0xbb88695c);
1388 avio_wb32(pb, 0xfac9c740);
1389 avio_wb32(pb, 0x1c); // another size here!
1390 ffio_wfourcc(pb, "MTDT");
1391 avio_wb32(pb, 0x00010012);
1392 avio_wb32(pb, 0x0a);
1393 avio_wb32(pb, 0x55c40000);
1399 static int mov_write_udta_sdp(AVIOContext *pb, AVFormatContext *ctx, int index)
1401 char buf[1000] = "";
1404 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0]->codec, NULL, NULL, 0, 0, ctx);
1405 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", index);
1408 avio_wb32(pb, len + 24);
1409 ffio_wfourcc(pb, "udta");
1410 avio_wb32(pb, len + 16);
1411 ffio_wfourcc(pb, "hnti");
1412 avio_wb32(pb, len + 8);
1413 ffio_wfourcc(pb, "sdp ");
1414 avio_write(pb, buf, len);
1418 static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov,
1419 MOVTrack *track, AVStream *st)
1421 int64_t pos = avio_tell(pb);
1422 avio_wb32(pb, 0); /* size */
1423 ffio_wfourcc(pb, "trak");
1424 mov_write_tkhd_tag(pb, track, st);
1425 if (track->mode == MODE_PSP || track->flags & MOV_TRACK_CTTS ||
1426 (track->entry && track->cluster[0].dts)) {
1427 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
1428 mov_write_edts_tag(pb, track); // PSP Movies require edts box
1430 if (track->tref_tag)
1431 mov_write_tref_tag(pb, track);
1432 mov_write_mdia_tag(pb, track);
1433 if (track->mode == MODE_PSP)
1434 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
1435 if (track->tag == MKTAG('r','t','p',' '))
1436 mov_write_udta_sdp(pb, track->rtp_ctx, track->trackID);
1437 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && track->mode == MODE_MOV) {
1438 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1439 if (0.0 != sample_aspect_ratio && 1.0 != sample_aspect_ratio)
1440 mov_write_tapt_tag(pb, track);
1442 return updateSize(pb, pos);
1445 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
1447 int i, has_audio = 0, has_video = 0;
1448 int64_t pos = avio_tell(pb);
1449 int audio_profile = mov->iods_audio_profile;
1450 int video_profile = mov->iods_video_profile;
1451 for (i = 0; i < mov->nb_streams; i++) {
1452 if(mov->tracks[i].entry > 0) {
1453 has_audio |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_AUDIO;
1454 has_video |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_VIDEO;
1457 if (audio_profile < 0)
1458 audio_profile = 0xFF - has_audio;
1459 if (video_profile < 0)
1460 video_profile = 0xFF - has_video;
1461 avio_wb32(pb, 0x0); /* size */
1462 ffio_wfourcc(pb, "iods");
1463 avio_wb32(pb, 0); /* version & flags */
1464 putDescr(pb, 0x10, 7);
1465 avio_wb16(pb, 0x004f);
1468 avio_w8(pb, audio_profile);
1469 avio_w8(pb, video_profile);
1471 return updateSize(pb, pos);
1474 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
1476 avio_wb32(pb, 0x20); /* size */
1477 ffio_wfourcc(pb, "trex");
1478 avio_wb32(pb, 0); /* version & flags */
1479 avio_wb32(pb, track->trackID); /* track ID */
1480 avio_wb32(pb, 1); /* default sample description index */
1481 avio_wb32(pb, 0); /* default sample duration */
1482 avio_wb32(pb, 0); /* default sample size */
1483 avio_wb32(pb, 0); /* default sample flags */
1487 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
1489 int64_t pos = avio_tell(pb);
1491 avio_wb32(pb, 0x0); /* size */
1492 ffio_wfourcc(pb, "mvex");
1493 for (i = 0; i < mov->nb_streams; i++)
1494 mov_write_trex_tag(pb, &mov->tracks[i]);
1495 return updateSize(pb, pos);
1498 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
1500 int maxTrackID = 1, i;
1501 int64_t maxTrackLenTemp, maxTrackLen = 0;
1504 for (i=0; i<mov->nb_streams; i++) {
1505 if(mov->tracks[i].entry > 0) {
1506 maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration,
1508 mov->tracks[i].timescale,
1510 if(maxTrackLen < maxTrackLenTemp)
1511 maxTrackLen = maxTrackLenTemp;
1512 if(maxTrackID < mov->tracks[i].trackID)
1513 maxTrackID = mov->tracks[i].trackID;
1517 version = maxTrackLen < UINT32_MAX ? 0 : 1;
1518 (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
1519 ffio_wfourcc(pb, "mvhd");
1520 avio_w8(pb, version);
1521 avio_wb24(pb, 0); /* flags */
1523 avio_wb64(pb, mov->time);
1524 avio_wb64(pb, mov->time);
1526 avio_wb32(pb, mov->time); /* creation time */
1527 avio_wb32(pb, mov->time); /* modification time */
1529 avio_wb32(pb, MOV_TIMESCALE);
1530 (version == 1) ? avio_wb64(pb, maxTrackLen) : avio_wb32(pb, maxTrackLen); /* duration of longest track */
1532 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1533 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1534 avio_wb16(pb, 0); /* reserved */
1535 avio_wb32(pb, 0); /* reserved */
1536 avio_wb32(pb, 0); /* reserved */
1538 /* Matrix structure */
1539 avio_wb32(pb, 0x00010000); /* reserved */
1540 avio_wb32(pb, 0x0); /* reserved */
1541 avio_wb32(pb, 0x0); /* reserved */
1542 avio_wb32(pb, 0x0); /* reserved */
1543 avio_wb32(pb, 0x00010000); /* reserved */
1544 avio_wb32(pb, 0x0); /* reserved */
1545 avio_wb32(pb, 0x0); /* reserved */
1546 avio_wb32(pb, 0x0); /* reserved */
1547 avio_wb32(pb, 0x40000000); /* reserved */
1549 avio_wb32(pb, 0); /* reserved (preview time) */
1550 avio_wb32(pb, 0); /* reserved (preview duration) */
1551 avio_wb32(pb, 0); /* reserved (poster time) */
1552 avio_wb32(pb, 0); /* reserved (selection time) */
1553 avio_wb32(pb, 0); /* reserved (selection duration) */
1554 avio_wb32(pb, 0); /* reserved (current time) */
1555 avio_wb32(pb, maxTrackID+1); /* Next track id */
1559 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
1562 avio_wb32(pb, 33); /* size */
1563 ffio_wfourcc(pb, "hdlr");
1566 ffio_wfourcc(pb, "mdir");
1567 ffio_wfourcc(pb, "appl");
1574 /* helper function to write a data tag with the specified string as data */
1575 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
1578 int size = 16 + strlen(data);
1579 avio_wb32(pb, size); /* size */
1580 ffio_wfourcc(pb, "data");
1583 avio_write(pb, data, strlen(data));
1587 lang = ff_mov_iso639_to_lang("und", 1);
1588 avio_wb16(pb, strlen(data)); /* string length */
1589 avio_wb16(pb, lang);
1590 avio_write(pb, data, strlen(data));
1591 return strlen(data) + 4;
1595 static int mov_write_string_tag(AVIOContext *pb, const char *name, const char *value, int lang, int long_style){
1597 if (value && value[0]) {
1598 int64_t pos = avio_tell(pb);
1599 avio_wb32(pb, 0); /* size */
1600 ffio_wfourcc(pb, name);
1601 mov_write_string_data_tag(pb, value, lang, long_style);
1602 size= updateSize(pb, pos);
1607 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
1608 const char *name, const char *tag,
1611 int l, lang = 0, len, len2;
1612 AVDictionaryEntry *t, *t2 = NULL;
1615 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
1618 len = strlen(t->key);
1619 snprintf(tag2, sizeof(tag2), "%s-", tag);
1620 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
1621 len2 = strlen(t2->key);
1622 if (len2 == len+4 && !strcmp(t->value, t2->value)
1623 && (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 1)) >= 0) {
1628 return mov_write_string_tag(pb, name, t->value, lang, long_style);
1631 /* iTunes track number */
1632 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
1635 AVDictionaryEntry *t = av_dict_get(s->metadata, "track", NULL, 0);
1636 int size = 0, track = t ? atoi(t->value) : 0;
1638 avio_wb32(pb, 32); /* size */
1639 ffio_wfourcc(pb, "trkn");
1640 avio_wb32(pb, 24); /* size */
1641 ffio_wfourcc(pb, "data");
1642 avio_wb32(pb, 0); // 8 bytes empty
1644 avio_wb16(pb, 0); // empty
1645 avio_wb16(pb, track); // track number
1646 avio_wb16(pb, 0); // total track number
1647 avio_wb16(pb, 0); // empty
1653 /* iTunes meta data list */
1654 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
1657 int64_t pos = avio_tell(pb);
1658 avio_wb32(pb, 0); /* size */
1659 ffio_wfourcc(pb, "ilst");
1660 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
1661 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
1662 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
1663 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
1664 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
1665 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
1666 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
1667 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
1668 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
1669 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
1670 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
1671 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
1672 mov_write_string_metadata(s, pb, "desc", "description",1);
1673 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
1674 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
1675 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
1676 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
1677 mov_write_trkn_tag(pb, mov, s);
1678 return updateSize(pb, pos);
1681 /* iTunes meta data tag */
1682 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
1686 int64_t pos = avio_tell(pb);
1687 avio_wb32(pb, 0); /* size */
1688 ffio_wfourcc(pb, "meta");
1690 mov_write_itunes_hdlr_tag(pb, mov, s);
1691 mov_write_ilst_tag(pb, mov, s);
1692 size = updateSize(pb, pos);
1696 static int utf8len(const uint8_t *b)
1701 GET_UTF8(val, *b++, return -1;)
1707 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
1711 GET_UTF8(val, *b++, return -1;)
1714 avio_wb16(pb, 0x00);
1718 static uint16_t language_code(const char *str)
1720 return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
1723 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
1724 const char *tag, const char *str)
1726 int64_t pos = avio_tell(pb);
1727 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
1728 if (!t || !utf8len(t->value))
1730 avio_wb32(pb, 0); /* size */
1731 ffio_wfourcc(pb, tag); /* type */
1732 avio_wb32(pb, 0); /* version + flags */
1733 if (!strcmp(tag, "yrrc"))
1734 avio_wb16(pb, atoi(t->value));
1736 avio_wb16(pb, language_code("eng")); /* language */
1737 avio_write(pb, t->value, strlen(t->value)+1); /* UTF8 string value */
1738 if (!strcmp(tag, "albm") &&
1739 (t = av_dict_get(s->metadata, "track", NULL, 0)))
1740 avio_w8(pb, atoi(t->value));
1742 return updateSize(pb, pos);
1745 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
1747 int64_t pos = avio_tell(pb);
1748 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
1750 avio_wb32(pb, 0); // size
1751 ffio_wfourcc(pb, "chpl");
1752 avio_wb32(pb, 0x01000000); // version + flags
1753 avio_wb32(pb, 0); // unknown
1754 avio_w8(pb, nb_chapters);
1756 for (i = 0; i < nb_chapters; i++) {
1757 AVChapter *c = s->chapters[i];
1758 AVDictionaryEntry *t;
1759 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
1761 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
1762 int len = FFMIN(strlen(t->value), 255);
1764 avio_write(pb, t->value, len);
1768 return updateSize(pb, pos);
1771 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
1774 AVIOContext *pb_buf;
1778 for (i = 0; i < s->nb_streams; i++)
1779 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
1783 ret = avio_open_dyn_buf(&pb_buf);
1787 if (mov->mode & MODE_3GP) {
1788 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
1789 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
1790 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
1791 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
1792 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
1793 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
1794 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
1795 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
1796 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
1797 mov_write_string_metadata(s, pb_buf, "\251ART", "artist" , 0);
1798 mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0);
1799 mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0);
1800 mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0);
1801 mov_write_string_metadata(s, pb_buf, "\251day", "date" , 0);
1802 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder" , 0);
1803 mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0);
1804 mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0);
1805 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0);
1807 /* iTunes meta data */
1808 mov_write_meta_tag(pb_buf, mov, s);
1812 mov_write_chpl_tag(pb_buf, s);
1814 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
1815 avio_wb32(pb, size+8);
1816 ffio_wfourcc(pb, "udta");
1817 avio_write(pb, buf, size);
1824 static void mov_write_psp_udta_tag(AVIOContext *pb,
1825 const char *str, const char *lang, int type)
1827 int len = utf8len(str)+1;
1830 avio_wb16(pb, len*2+10); /* size */
1831 avio_wb32(pb, type); /* type */
1832 avio_wb16(pb, language_code(lang)); /* language */
1833 avio_wb16(pb, 0x01); /* ? */
1834 ascii_to_wc(pb, str);
1837 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
1839 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
1843 pos = avio_tell(pb);
1844 avio_wb32(pb, 0); /* size placeholder*/
1845 ffio_wfourcc(pb, "uuid");
1846 ffio_wfourcc(pb, "USMT");
1847 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
1848 avio_wb32(pb, 0xbb88695c);
1849 avio_wb32(pb, 0xfac9c740);
1851 pos2 = avio_tell(pb);
1852 avio_wb32(pb, 0); /* size placeholder*/
1853 ffio_wfourcc(pb, "MTDT");
1857 avio_wb16(pb, 0x0C); /* size */
1858 avio_wb32(pb, 0x0B); /* type */
1859 avio_wb16(pb, language_code("und")); /* language */
1860 avio_wb16(pb, 0x0); /* ? */
1861 avio_wb16(pb, 0x021C); /* data */
1863 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
1864 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
1865 // 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);
1866 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
1868 updateSize(pb, pos2);
1869 return updateSize(pb, pos);
1875 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
1879 int64_t pos = avio_tell(pb);
1880 avio_wb32(pb, 0); /* size placeholder*/
1881 ffio_wfourcc(pb, "moov");
1883 for (i=0; i<mov->nb_streams; i++) {
1884 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
1887 mov->tracks[i].time = mov->time;
1888 mov->tracks[i].trackID = i+1;
1891 if (mov->chapter_track)
1892 for (i=0; i<s->nb_streams; i++) {
1893 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
1894 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].trackID;
1896 for (i = 0; i < mov->nb_streams; i++) {
1897 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
1898 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
1899 mov->tracks[i].tref_id =
1900 mov->tracks[mov->tracks[i].src_track].trackID;
1904 mov_write_mvhd_tag(pb, mov);
1905 if (mov->mode != MODE_MOV && !mov->iods_skip)
1906 mov_write_iods_tag(pb, mov);
1907 for (i=0; i<mov->nb_streams; i++) {
1908 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
1909 mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
1912 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
1913 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
1915 if (mov->mode == MODE_PSP)
1916 mov_write_uuidusmt_tag(pb, s);
1918 mov_write_udta_tag(pb, mov, s);
1920 return updateSize(pb, pos);
1923 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
1926 ffio_wfourcc(pb, "mfhd");
1928 avio_wb32(pb, mov->fragments);
1932 static int mov_write_tfhd_tag(AVIOContext *pb, MOVTrack *track,
1933 int64_t moof_offset)
1935 int64_t pos = avio_tell(pb);
1936 /* default-sample-size + default-sample-duration + base-data-offset */
1937 uint32_t flags = 0x19;
1938 if (!track->entry) {
1939 flags |= 0x010000; /* duration-is-empty */
1941 flags |= 0x20; /* default-sample-flags-present */
1944 /* Don't set a default sample size when creating data for silverlight,
1945 * the player refuses to play files with that set. */
1946 if (track->mode == MODE_ISM)
1949 avio_wb32(pb, 0); /* size placeholder */
1950 ffio_wfourcc(pb, "tfhd");
1951 avio_w8(pb, 0); /* version */
1952 avio_wb24(pb, flags);
1954 avio_wb32(pb, track->trackID); /* track-id */
1956 avio_wb64(pb, moof_offset);
1958 track->default_duration = track->audio_vbr ? track->enc->frame_size : 1;
1959 avio_wb32(pb, track->default_duration);
1962 track->default_size = track->entry ? track->cluster[0].size : 1;
1963 avio_wb32(pb, track->default_size);
1965 track->default_size = -1;
1968 track->default_sample_flags =
1969 track->enc->codec_type == AVMEDIA_TYPE_VIDEO ?
1970 0x01010000 : 0x02000000;
1971 avio_wb32(pb, track->default_sample_flags);
1974 return updateSize(pb, pos);
1977 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
1979 return entry->flags & MOV_SYNC_SAMPLE ? 0x02000000 : 0x01010000;
1982 static int mov_write_trun_tag(AVIOContext *pb, MOVTrack *track)
1984 int64_t pos = avio_tell(pb);
1985 uint32_t flags = 1; /* data-offset-present */
1988 for (i = 0; i < track->entry; i++) {
1989 int64_t duration = i + 1 == track->entry ?
1990 track->trackDuration - track->cluster[i].dts + track->start_dts :
1991 track->cluster[i + 1].dts - track->cluster[i].dts;
1992 if (duration != track->default_duration)
1993 flags |= 0x100; /* sample-duration-present */
1994 if (track->cluster[i].size != track->default_size)
1995 flags |= 0x200; /* sample-size-present */
1996 if (i > 0 && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
1997 flags |= 0x400; /* sample-flags-present */
1999 if (!(flags & 0x400))
2000 flags |= 0x4; /* first-sample-flags-present */
2001 if (track->flags & MOV_TRACK_CTTS)
2002 flags |= 0x800; /* sample-composition-time-offsets-present */
2004 avio_wb32(pb, 0); /* size placeholder */
2005 ffio_wfourcc(pb, "trun");
2006 avio_w8(pb, 0); /* version */
2007 avio_wb24(pb, flags);
2009 avio_wb32(pb, track->entry); /* sample count */
2010 track->moof_size_offset = avio_tell(pb);
2011 avio_wb32(pb, 0); /* data offset */
2012 if (flags & 0x4) /* first sample flags */
2013 avio_wb32(pb, get_sample_flags(track, &track->cluster[0]));
2015 for (i = 0; i < track->entry; i++) {
2016 int64_t duration = i + 1 == track->entry ?
2017 track->trackDuration - track->cluster[i].dts + track->start_dts :
2018 track->cluster[i + 1].dts - track->cluster[i].dts;
2020 avio_wb32(pb, duration);
2022 avio_wb32(pb, track->cluster[i].size);
2024 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
2026 avio_wb32(pb, track->cluster[i].cts);
2029 return updateSize(pb, pos);
2032 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
2034 int64_t pos = avio_tell(pb);
2035 const uint8_t uuid[] = {
2036 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
2037 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
2040 avio_wb32(pb, 0); /* size placeholder */
2041 ffio_wfourcc(pb, "uuid");
2042 avio_write(pb, uuid, sizeof(uuid));
2045 avio_wb64(pb, track->frag_start);
2046 avio_wb64(pb, track->start_dts + track->trackDuration -
2047 track->cluster[0].dts);
2049 return updateSize(pb, pos);
2052 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
2053 MOVTrack *track, int entry)
2055 int n = track->nb_frag_info - 1 - entry, i;
2056 int size = 8 + 16 + 4 + 1 + 16*n;
2057 const uint8_t uuid[] = {
2058 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
2059 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
2065 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
2066 avio_wb32(pb, size);
2067 ffio_wfourcc(pb, "uuid");
2068 avio_write(pb, uuid, sizeof(uuid));
2072 for (i = 0; i < n; i++) {
2073 int index = entry + 1 + i;
2074 avio_wb64(pb, track->frag_info[index].time);
2075 avio_wb64(pb, track->frag_info[index].duration);
2077 if (n < mov->ism_lookahead) {
2078 int free_size = 16*(mov->ism_lookahead - n);
2079 avio_wb32(pb, free_size);
2080 ffio_wfourcc(pb, "free");
2081 for (i = 0; i < free_size - 8; i++)
2088 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
2091 int64_t pos = avio_tell(pb);
2093 for (i = 0; i < mov->ism_lookahead; i++) {
2094 /* Update the tfrf tag for the last ism_lookahead fragments,
2095 * nb_frag_info - 1 is the next fragment to be written. */
2096 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
2098 avio_seek(pb, pos, SEEK_SET);
2102 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
2103 MOVTrack *track, int64_t moof_offset)
2105 int64_t pos = avio_tell(pb);
2106 avio_wb32(pb, 0); /* size placeholder */
2107 ffio_wfourcc(pb, "traf");
2109 mov_write_tfhd_tag(pb, track, moof_offset);
2110 mov_write_trun_tag(pb, track);
2111 if (mov->mode == MODE_ISM) {
2112 mov_write_tfxd_tag(pb, track);
2114 if (mov->ism_lookahead) {
2115 int i, size = 16 + 4 + 1 + 16*mov->ism_lookahead;
2117 track->tfrf_offset = avio_tell(pb);
2118 avio_wb32(pb, 8 + size);
2119 ffio_wfourcc(pb, "free");
2120 for (i = 0; i < size; i++)
2125 return updateSize(pb, pos);
2128 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
2130 int64_t pos = avio_tell(pb), end;
2133 avio_wb32(pb, 0); /* size placeholder */
2134 ffio_wfourcc(pb, "moof");
2136 mov_write_mfhd_tag(pb, mov);
2137 for (i = 0; i < mov->nb_streams; i++) {
2138 MOVTrack *track = &mov->tracks[i];
2139 if (tracks >= 0 && i != tracks)
2143 mov_write_traf_tag(pb, mov, track, pos);
2146 end = avio_tell(pb);
2147 moof_size = end - pos;
2148 for (i = 0; i < mov->nb_streams; i++) {
2149 MOVTrack *track = &mov->tracks[i];
2150 if (tracks >= 0 && i != tracks)
2154 avio_seek(pb, mov->tracks[i].moof_size_offset, SEEK_SET);
2155 avio_wb32(pb, moof_size + 8 + mov->tracks[i].data_offset);
2157 avio_seek(pb, end, SEEK_SET);
2159 return updateSize(pb, pos);
2162 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
2164 int64_t pos = avio_tell(pb);
2167 avio_wb32(pb, 0); /* size placeholder */
2168 ffio_wfourcc(pb, "tfra");
2169 avio_w8(pb, 1); /* version */
2172 avio_wb32(pb, track->trackID);
2173 avio_wb32(pb, 0); /* length of traf/trun/sample num */
2174 avio_wb32(pb, track->nb_frag_info);
2175 for (i = 0; i < track->nb_frag_info; i++) {
2176 avio_wb64(pb, track->frag_info[i].time);
2177 avio_wb64(pb, track->frag_info[i].offset);
2178 avio_w8(pb, 1); /* traf number */
2179 avio_w8(pb, 1); /* trun number */
2180 avio_w8(pb, 1); /* sample number */
2183 return updateSize(pb, pos);
2186 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
2188 int64_t pos = avio_tell(pb);
2191 avio_wb32(pb, 0); /* size placeholder */
2192 ffio_wfourcc(pb, "mfra");
2194 for (i = 0; i < mov->nb_streams; i++) {
2195 MOVTrack *track = &mov->tracks[i];
2196 if (track->nb_frag_info)
2197 mov_write_tfra_tag(pb, track);
2201 ffio_wfourcc(pb, "mfro");
2202 avio_wb32(pb, 0); /* version + flags */
2203 avio_wb32(pb, avio_tell(pb) + 4 - pos);
2205 return updateSize(pb, pos);
2208 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
2210 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
2211 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
2213 mov->mdat_pos = avio_tell(pb);
2214 avio_wb32(pb, 0); /* size placeholder*/
2215 ffio_wfourcc(pb, "mdat");
2219 /* TODO: This needs to be more general */
2220 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
2222 MOVMuxContext *mov = s->priv_data;
2223 int64_t pos = avio_tell(pb);
2224 int has_h264 = 0, has_video = 0;
2228 for (i = 0; i < s->nb_streams; i++) {
2229 AVStream *st = s->streams[i];
2230 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2232 if (st->codec->codec_id == CODEC_ID_H264)
2236 avio_wb32(pb, 0); /* size */
2237 ffio_wfourcc(pb, "ftyp");
2239 if (mov->mode == MODE_3GP) {
2240 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
2241 minor = has_h264 ? 0x100 : 0x200;
2242 } else if (mov->mode & MODE_3G2) {
2243 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
2244 minor = has_h264 ? 0x20000 : 0x10000;
2245 }else if (mov->mode == MODE_PSP)
2246 ffio_wfourcc(pb, "MSNV");
2247 else if (mov->mode == MODE_MP4)
2248 ffio_wfourcc(pb, "isom");
2249 else if (mov->mode == MODE_IPOD)
2250 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
2251 else if (mov->mode == MODE_ISM)
2252 ffio_wfourcc(pb, "isml");
2254 ffio_wfourcc(pb, "qt ");
2256 avio_wb32(pb, minor);
2258 if(mov->mode == MODE_MOV)
2259 ffio_wfourcc(pb, "qt ");
2260 else if (mov->mode == MODE_ISM) {
2261 ffio_wfourcc(pb, "piff");
2262 ffio_wfourcc(pb, "iso2");
2264 ffio_wfourcc(pb, "isom");
2265 ffio_wfourcc(pb, "iso2");
2267 ffio_wfourcc(pb, "avc1");
2270 if (mov->mode == MODE_3GP)
2271 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
2272 else if (mov->mode & MODE_3G2)
2273 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
2274 else if (mov->mode == MODE_PSP)
2275 ffio_wfourcc(pb, "MSNV");
2276 else if (mov->mode == MODE_MP4)
2277 ffio_wfourcc(pb, "mp41");
2278 return updateSize(pb, pos);
2281 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
2283 AVCodecContext *VideoCodec = s->streams[0]->codec;
2284 AVCodecContext *AudioCodec = s->streams[1]->codec;
2285 int AudioRate = AudioCodec->sample_rate;
2286 int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num);
2287 int audio_kbitrate= AudioCodec->bit_rate / 1000;
2288 int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate);
2290 avio_wb32(pb, 0x94); /* size */
2291 ffio_wfourcc(pb, "uuid");
2292 ffio_wfourcc(pb, "PROF");
2294 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2295 avio_wb32(pb, 0xbb88695c);
2296 avio_wb32(pb, 0xfac9c740);
2298 avio_wb32(pb, 0x0); /* ? */
2299 avio_wb32(pb, 0x3); /* 3 sections ? */
2301 avio_wb32(pb, 0x14); /* size */
2302 ffio_wfourcc(pb, "FPRF");
2303 avio_wb32(pb, 0x0); /* ? */
2304 avio_wb32(pb, 0x0); /* ? */
2305 avio_wb32(pb, 0x0); /* ? */
2307 avio_wb32(pb, 0x2c); /* size */
2308 ffio_wfourcc(pb, "APRF");/* audio */
2310 avio_wb32(pb, 0x2); /* TrackID */
2311 ffio_wfourcc(pb, "mp4a");
2312 avio_wb32(pb, 0x20f);
2314 avio_wb32(pb, audio_kbitrate);
2315 avio_wb32(pb, audio_kbitrate);
2316 avio_wb32(pb, AudioRate);
2317 avio_wb32(pb, AudioCodec->channels);
2319 avio_wb32(pb, 0x34); /* size */
2320 ffio_wfourcc(pb, "VPRF"); /* video */
2322 avio_wb32(pb, 0x1); /* TrackID */
2323 if (VideoCodec->codec_id == CODEC_ID_H264) {
2324 ffio_wfourcc(pb, "avc1");
2325 avio_wb16(pb, 0x014D);
2326 avio_wb16(pb, 0x0015);
2328 ffio_wfourcc(pb, "mp4v");
2329 avio_wb16(pb, 0x0000);
2330 avio_wb16(pb, 0x0103);
2333 avio_wb32(pb, video_kbitrate);
2334 avio_wb32(pb, video_kbitrate);
2335 avio_wb32(pb, FrameRate);
2336 avio_wb32(pb, FrameRate);
2337 avio_wb16(pb, VideoCodec->width);
2338 avio_wb16(pb, VideoCodec->height);
2339 avio_wb32(pb, 0x010001); /* ? */
2342 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
2345 int i, closed_gop = 0;
2347 for (i = 0; i < pkt->size - 4; i++) {
2348 c = (c<<8) + pkt->data[i];
2349 if (c == 0x1b8) { // gop
2350 closed_gop = pkt->data[i+4]>>6 & 0x01;
2351 } else if (c == 0x100) { // pic
2352 int temp_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
2353 if (!temp_ref || closed_gop) // I picture is not reordered
2354 *flags = MOV_SYNC_SAMPLE;
2356 *flags = MOV_PARTIAL_SYNC_SAMPLE;
2363 static int mov_flush_fragment(AVFormatContext *s)
2365 MOVMuxContext *mov = s->priv_data;
2366 int i, first_track = -1;
2367 int64_t mdat_size = 0;
2369 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
2372 if (!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV) && mov->fragments == 0) {
2373 int64_t pos = avio_tell(s->pb);
2375 for (i = 0; i < mov->nb_streams; i++)
2376 if (!mov->tracks[i].entry)
2378 /* Don't write the initial moov unless all tracks have data */
2379 if (i < mov->nb_streams)
2381 avio_seek(s->pb, mov->mdat_pos, SEEK_SET);
2382 avio_wb32(s->pb, mov->mdat_size + 8);
2383 avio_seek(s->pb, pos, SEEK_SET);
2384 mov_write_moov_tag(s->pb, mov, s);
2387 for (i = 0; i < mov->nb_streams; i++) {
2388 if (mov->tracks[i].entry)
2389 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
2390 mov->tracks[i].trackDuration -
2391 mov->tracks[i].cluster[0].dts;
2392 mov->tracks[i].entry = 0;
2397 for (i = 0; i < mov->nb_streams; i++) {
2398 MOVTrack *track = &mov->tracks[i];
2399 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF)
2400 track->data_offset = 0;
2402 track->data_offset = mdat_size;
2403 if (!track->mdat_buf)
2405 mdat_size += avio_tell(track->mdat_buf);
2406 if (first_track < 0)
2413 for (i = 0; i < mov->nb_streams; i++) {
2414 MOVTrack *track = &mov->tracks[i];
2415 int buf_size, write_moof = 1, moof_tracks = -1;
2417 int64_t duration = 0;
2420 duration = track->start_dts + track->trackDuration -
2421 track->cluster[0].dts;
2422 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
2423 if (!track->mdat_buf)
2425 mdat_size = avio_tell(track->mdat_buf);
2428 write_moof = i == first_track;
2432 MOVFragmentInfo *info;
2433 track->nb_frag_info++;
2434 track->frag_info = av_realloc(track->frag_info,
2435 sizeof(*track->frag_info) *
2436 track->nb_frag_info);
2437 info = &track->frag_info[track->nb_frag_info - 1];
2438 info->offset = avio_tell(s->pb);
2439 info->time = mov->tracks[i].frag_start;
2440 info->duration = duration;
2441 mov_write_tfrf_tags(s->pb, mov, track);
2443 mov_write_moof_tag(s->pb, mov, moof_tracks);
2444 info->tfrf_offset = track->tfrf_offset;
2447 avio_wb32(s->pb, mdat_size + 8);
2448 ffio_wfourcc(s->pb, "mdat");
2452 track->frag_start += duration;
2454 if (!track->mdat_buf)
2456 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
2457 track->mdat_buf = NULL;
2459 avio_write(s->pb, buf, buf_size);
2468 static int mov_write_packet_internal(AVFormatContext *s, AVPacket *pkt)
2470 MOVMuxContext *mov = s->priv_data;
2471 AVIOContext *pb = s->pb;
2472 MOVTrack *trk = &mov->tracks[pkt->stream_index];
2473 AVCodecContext *enc = trk->enc;
2474 unsigned int samplesInChunk = 0;
2475 int size= pkt->size;
2476 uint8_t *reformatted_data = NULL;
2478 if (!s->pb->seekable) return 0; /* Can't handle that */
2479 if (!size) return 0; /* Discard 0 sized packets */
2481 if ((mov->max_fragment_duration && trk->entry &&
2482 av_rescale_q(pkt->dts - trk->cluster[0].dts,
2483 s->streams[pkt->stream_index]->time_base,
2484 AV_TIME_BASE_Q) >= mov->max_fragment_duration) ||
2485 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
2486 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
2487 enc->codec_type == AVMEDIA_TYPE_VIDEO &&
2488 trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) {
2489 mov_flush_fragment(s);
2492 if (mov->flags & FF_MOV_FLAG_FRAGMENT && mov->fragments > 0) {
2493 if (!trk->mdat_buf) {
2495 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
2501 if (enc->codec_id == CODEC_ID_AMR_NB) {
2502 /* We must find out how many AMR blocks there are in one packet */
2503 static uint16_t packed_size[16] =
2504 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
2507 while (len < size && samplesInChunk < 100) {
2508 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
2511 if(samplesInChunk > 1){
2512 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
2515 } else if (trk->sampleSize)
2516 samplesInChunk = size/trk->sampleSize;
2520 /* copy extradata if it exists */
2521 if (trk->vosLen == 0 && enc->extradata_size > 0) {
2522 trk->vosLen = enc->extradata_size;
2523 trk->vosData = av_malloc(trk->vosLen);
2524 memcpy(trk->vosData, enc->extradata, trk->vosLen);
2527 if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) {
2528 /* from x264 or from bytestream h264 */
2529 /* nal reformating needed */
2530 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
2531 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
2533 avio_write(pb, reformatted_data, size);
2535 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
2538 avio_write(pb, pkt->data, size);
2541 if ((enc->codec_id == CODEC_ID_DNXHD ||
2542 enc->codec_id == CODEC_ID_AC3) && !trk->vosLen) {
2543 /* copy frame to create needed atoms */
2545 trk->vosData = av_malloc(size);
2547 return AVERROR(ENOMEM);
2548 memcpy(trk->vosData, pkt->data, size);
2551 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
2552 trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster));
2557 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
2558 trk->cluster[trk->entry].samplesInChunk = samplesInChunk;
2559 trk->cluster[trk->entry].size = size;
2560 trk->cluster[trk->entry].entries = samplesInChunk;
2561 trk->cluster[trk->entry].dts = pkt->dts;
2562 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
2563 /* First packet of a new fragment. We already wrote the duration
2564 * of the last packet of the previous fragment based on trackDuration,
2565 * which might not exactly match our dts. Therefore adjust the dts
2566 * of this packet to be what the previous packets duration implies. */
2567 trk->cluster[trk->entry].dts = trk->start_dts + trk->trackDuration;
2569 if (trk->start_dts == AV_NOPTS_VALUE)
2570 trk->start_dts = pkt->dts;
2571 trk->trackDuration = pkt->dts - trk->start_dts + pkt->duration;
2573 if (pkt->pts == AV_NOPTS_VALUE) {
2574 av_log(s, AV_LOG_WARNING, "pts has no value\n");
2575 pkt->pts = pkt->dts;
2577 if (pkt->dts != pkt->pts)
2578 trk->flags |= MOV_TRACK_CTTS;
2579 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
2580 trk->cluster[trk->entry].flags = 0;
2581 if (pkt->flags & AV_PKT_FLAG_KEY) {
2582 if (mov->mode == MODE_MOV && enc->codec_id == CODEC_ID_MPEG2VIDEO &&
2583 trk->entry > 0) { // force sync sample for the first key frame
2584 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
2585 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
2586 trk->flags |= MOV_TRACK_STPS;
2588 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
2590 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
2591 trk->hasKeyframes++;
2594 trk->sampleCount += samplesInChunk;
2595 mov->mdat_size += size;
2599 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
2600 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
2601 reformatted_data, size);
2602 av_free(reformatted_data);
2606 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
2609 mov_flush_fragment(s);
2612 return mov_write_packet_internal(s, pkt);
2616 // QuickTime chapters involve an additional text track with the chapter names
2617 // as samples, and a tref pointing from the other tracks to the chapter one.
2618 static void mov_create_chapter_track(AVFormatContext *s, int tracknum)
2620 MOVMuxContext *mov = s->priv_data;
2621 MOVTrack *track = &mov->tracks[tracknum];
2622 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
2625 track->mode = mov->mode;
2626 track->tag = MKTAG('t','e','x','t');
2627 track->timescale = MOV_TIMESCALE;
2628 track->enc = avcodec_alloc_context3(NULL);
2629 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
2631 for (i = 0; i < s->nb_chapters; i++) {
2632 AVChapter *c = s->chapters[i];
2633 AVDictionaryEntry *t;
2635 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
2636 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
2637 pkt.duration = end - pkt.dts;
2639 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
2640 len = strlen(t->value);
2642 pkt.data = av_malloc(pkt.size);
2643 AV_WB16(pkt.data, len);
2644 memcpy(pkt.data+2, t->value, len);
2645 ff_mov_write_packet(s, &pkt);
2646 av_freep(&pkt.data);
2651 static int mov_write_header(AVFormatContext *s)
2653 AVIOContext *pb = s->pb;
2654 MOVMuxContext *mov = s->priv_data;
2655 AVDictionaryEntry *t;
2656 int i, hint_track = 0;
2658 if (!s->pb->seekable) {
2659 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
2663 /* Default mode == MP4 */
2664 mov->mode = MODE_MP4;
2666 if (s->oformat != NULL) {
2667 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
2668 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
2669 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
2670 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
2671 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
2672 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
2674 mov_write_ftyp_tag(pb,s);
2675 if (mov->mode == MODE_PSP) {
2676 if (s->nb_streams != 2) {
2677 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
2680 mov_write_uuidprof_tag(pb,s);
2684 mov->nb_streams = s->nb_streams;
2685 if (mov->mode & (MODE_MOV|MODE_IPOD) && s->nb_chapters)
2686 mov->chapter_track = mov->nb_streams++;
2688 #if FF_API_FLAG_RTP_HINT
2689 if (s->flags & AVFMT_FLAG_RTP_HINT) {
2690 av_log(s, AV_LOG_WARNING, "The RTP_HINT flag is deprecated, enable it "
2691 "via the -movflags rtphint muxer option "
2693 mov->flags |= FF_MOV_FLAG_RTP_HINT;
2696 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
2697 /* Add hint tracks for each audio and video stream */
2698 hint_track = mov->nb_streams;
2699 for (i = 0; i < s->nb_streams; i++) {
2700 AVStream *st = s->streams[i];
2701 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2702 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
2708 mov->tracks = av_mallocz(mov->nb_streams*sizeof(*mov->tracks));
2710 return AVERROR(ENOMEM);
2712 for(i=0; i<s->nb_streams; i++){
2713 AVStream *st= s->streams[i];
2714 MOVTrack *track= &mov->tracks[i];
2715 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
2717 track->enc = st->codec;
2718 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
2719 if (track->language < 0)
2720 track->language = 0;
2721 track->mode = mov->mode;
2722 track->tag = mov_find_codec_tag(s, track);
2724 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
2725 "codec not currently supported in container\n", i);
2728 /* If hinting of this track is enabled by a later hint track,
2729 * this is updated. */
2730 track->hint_track = -1;
2731 track->start_dts = AV_NOPTS_VALUE;
2732 if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
2733 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
2734 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
2735 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
2736 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
2737 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
2740 track->height = track->tag>>24 == 'n' ? 486 : 576;
2742 track->timescale = st->codec->time_base.den;
2743 if (track->mode == MODE_MOV && track->timescale > 100000)
2744 av_log(s, AV_LOG_WARNING,
2745 "WARNING codec timebase is very high. If duration is too long,\n"
2746 "file may not be playable by quicktime. Specify a shorter timebase\n"
2747 "or choose different container.\n");
2748 }else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
2749 track->timescale = st->codec->sample_rate;
2750 /* set sampleSize for PCM and ADPCM */
2751 if (av_get_bits_per_sample(st->codec->codec_id)) {
2752 if (!st->codec->block_align) {
2753 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set\n", i);
2756 track->sampleSize = st->codec->block_align;
2758 /* set audio_vbr for compressed audio */
2759 if (av_get_bits_per_sample(st->codec->codec_id) < 8) {
2760 if (!st->codec->frame_size && track->mode == MODE_MOV) {
2761 av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
2764 track->audio_vbr = 1;
2766 if (track->mode != MODE_MOV) {
2767 if (track->timescale > UINT16_MAX) {
2768 av_log(s, AV_LOG_ERROR, "track %d: output format does not support "
2769 "sample rate %dhz\n", i, track->timescale);
2772 if (track->enc->codec_id == CODEC_ID_MP3 && track->timescale < 16000) {
2773 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
2774 i, track->enc->sample_rate);
2778 }else if(st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE){
2779 track->timescale = st->codec->time_base.den;
2782 track->height = st->codec->height;
2783 /* The ism specific timescale isn't mandatory, but is assumed by
2784 * some tools, such as mp4split. */
2785 if (mov->mode == MODE_ISM)
2786 track->timescale = 10000000;
2788 avpriv_set_pts_info(st, 64, 1, track->timescale);
2790 /* copy extradata if it exists */
2791 if (st->codec->extradata_size) {
2792 track->vosLen = st->codec->extradata_size;
2793 track->vosData = av_malloc(track->vosLen);
2794 memcpy(track->vosData, st->codec->extradata, track->vosLen);
2798 if (mov->mode == MODE_ISM) {
2799 /* If no fragmentation options have been set, set a default. */
2800 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
2801 FF_MOV_FLAG_FRAG_CUSTOM)) &&
2802 !mov->max_fragment_duration && !mov->max_fragment_size)
2803 mov->max_fragment_duration = 5000000;
2804 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF;
2807 /* Set the FRAGMENT flag if any of the fragmentation methods are
2809 if (mov->max_fragment_duration || mov->max_fragment_size ||
2810 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
2811 FF_MOV_FLAG_FRAG_KEYFRAME |
2812 FF_MOV_FLAG_FRAG_CUSTOM))
2813 mov->flags |= FF_MOV_FLAG_FRAGMENT;
2815 if (!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV))
2816 mov_write_mdat_tag(pb, mov);
2818 #if FF_API_TIMESTAMP
2820 mov->time = s->timestamp;
2823 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
2824 mov->time = ff_iso8601_to_unix_time(t->value);
2826 mov->time += 0x7C25B080; // 1970 based -> 1904 based
2828 if (mov->chapter_track)
2829 mov_create_chapter_track(s, mov->chapter_track);
2831 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
2832 /* Initialize the hint tracks for each audio and video stream */
2833 for (i = 0; i < s->nb_streams; i++) {
2834 AVStream *st = s->streams[i];
2835 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2836 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
2837 ff_mov_init_hinting(s, hint_track, i);
2845 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
2846 mov_write_moov_tag(pb, mov, s);
2852 av_freep(&mov->tracks);
2856 static int mov_write_trailer(AVFormatContext *s)
2858 MOVMuxContext *mov = s->priv_data;
2859 AVIOContext *pb = s->pb;
2863 int64_t moov_pos = avio_tell(pb);
2865 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
2866 /* Write size of mdat tag */
2867 if (mov->mdat_size + 8 <= UINT32_MAX) {
2868 avio_seek(pb, mov->mdat_pos, SEEK_SET);
2869 avio_wb32(pb, mov->mdat_size + 8);
2871 /* overwrite 'wide' placeholder atom */
2872 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
2873 /* special value: real atom size will be 64 bit value after
2876 ffio_wfourcc(pb, "mdat");
2877 avio_wb64(pb, mov->mdat_size + 16);
2879 avio_seek(pb, moov_pos, SEEK_SET);
2881 mov_write_moov_tag(pb, mov, s);
2883 mov_flush_fragment(s);
2884 mov_write_mfra_tag(pb, mov);
2887 if (mov->chapter_track)
2888 av_freep(&mov->tracks[mov->chapter_track].enc);
2890 for (i=0; i<mov->nb_streams; i++) {
2891 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
2892 ff_mov_close_hinting(&mov->tracks[i]);
2893 av_freep(&mov->tracks[i].cluster);
2894 av_freep(&mov->tracks[i].frag_info);
2896 if(mov->tracks[i].vosLen) av_free(mov->tracks[i].vosData);
2902 av_freep(&mov->tracks);
2907 #if CONFIG_MOV_MUXER
2909 AVOutputFormat ff_mov_muxer = {
2911 .long_name = NULL_IF_CONFIG_SMALL("MOV format"),
2912 .extensions = "mov",
2913 .priv_data_size = sizeof(MOVMuxContext),
2914 .audio_codec = CODEC_ID_AAC,
2915 #if CONFIG_LIBX264_ENCODER
2916 .video_codec = CODEC_ID_H264,
2918 .video_codec = CODEC_ID_MPEG4,
2920 .write_header = mov_write_header,
2921 .write_packet = ff_mov_write_packet,
2922 .write_trailer = mov_write_trailer,
2923 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
2924 .codec_tag = (const AVCodecTag* const []){codec_movvideo_tags, codec_movaudio_tags, 0},
2925 .priv_class = &mov_muxer_class,
2928 #if CONFIG_TGP_MUXER
2930 AVOutputFormat ff_tgp_muxer = {
2932 .long_name = NULL_IF_CONFIG_SMALL("3GP format"),
2933 .extensions = "3gp",
2934 .priv_data_size = sizeof(MOVMuxContext),
2935 .audio_codec = CODEC_ID_AMR_NB,
2936 .video_codec = CODEC_ID_H263,
2937 .write_header = mov_write_header,
2938 .write_packet = ff_mov_write_packet,
2939 .write_trailer = mov_write_trailer,
2940 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
2941 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
2942 .priv_class = &tgp_muxer_class,
2945 #if CONFIG_MP4_MUXER
2947 AVOutputFormat ff_mp4_muxer = {
2949 .long_name = NULL_IF_CONFIG_SMALL("MP4 format"),
2950 .mime_type = "application/mp4",
2951 .extensions = "mp4",
2952 .priv_data_size = sizeof(MOVMuxContext),
2953 .audio_codec = CODEC_ID_AAC,
2954 #if CONFIG_LIBX264_ENCODER
2955 .video_codec = CODEC_ID_H264,
2957 .video_codec = CODEC_ID_MPEG4,
2959 .write_header = mov_write_header,
2960 .write_packet = ff_mov_write_packet,
2961 .write_trailer = mov_write_trailer,
2962 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
2963 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
2964 .priv_class = &mp4_muxer_class,
2967 #if CONFIG_PSP_MUXER
2969 AVOutputFormat ff_psp_muxer = {
2971 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 format"),
2972 .extensions = "mp4,psp",
2973 .priv_data_size = sizeof(MOVMuxContext),
2974 .audio_codec = CODEC_ID_AAC,
2975 #if CONFIG_LIBX264_ENCODER
2976 .video_codec = CODEC_ID_H264,
2978 .video_codec = CODEC_ID_MPEG4,
2980 .write_header = mov_write_header,
2981 .write_packet = ff_mov_write_packet,
2982 .write_trailer = mov_write_trailer,
2983 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
2984 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
2985 .priv_class = &psp_muxer_class,
2988 #if CONFIG_TG2_MUXER
2990 AVOutputFormat ff_tg2_muxer = {
2992 .long_name = NULL_IF_CONFIG_SMALL("3GP2 format"),
2993 .extensions = "3g2",
2994 .priv_data_size = sizeof(MOVMuxContext),
2995 .audio_codec = CODEC_ID_AMR_NB,
2996 .video_codec = CODEC_ID_H263,
2997 .write_header = mov_write_header,
2998 .write_packet = ff_mov_write_packet,
2999 .write_trailer = mov_write_trailer,
3000 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3001 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
3002 .priv_class = &tg2_muxer_class,
3005 #if CONFIG_IPOD_MUXER
3007 AVOutputFormat ff_ipod_muxer = {
3009 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"),
3010 .mime_type = "application/mp4",
3011 .extensions = "m4v,m4a",
3012 .priv_data_size = sizeof(MOVMuxContext),
3013 .audio_codec = CODEC_ID_AAC,
3014 .video_codec = CODEC_ID_H264,
3015 .write_header = mov_write_header,
3016 .write_packet = ff_mov_write_packet,
3017 .write_trailer = mov_write_trailer,
3018 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3019 .codec_tag = (const AVCodecTag* const []){codec_ipod_tags, 0},
3020 .priv_class = &ipod_muxer_class,
3023 #if CONFIG_ISMV_MUXER
3025 AVOutputFormat ff_ismv_muxer = {
3027 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming) format"),
3028 .mime_type = "application/mp4",
3029 .extensions = "ismv,isma",
3030 .priv_data_size = sizeof(MOVMuxContext),
3031 .audio_codec = CODEC_ID_AAC,
3032 .video_codec = CODEC_ID_H264,
3033 .write_header = mov_write_header,
3034 .write_packet = ff_mov_write_packet,
3035 .write_trailer = mov_write_trailer,
3036 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3037 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
3038 .priv_class = &ismv_muxer_class,