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 const uint16_t fiel_data[] = {
803 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
806 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track)
808 unsigned mov_field_order = 0;
809 if (track->enc->field_order < FF_ARRAY_ELEMS(fiel_data))
810 mov_field_order = fiel_data[track->enc->field_order];
814 ffio_wfourcc(pb, "fiel");
815 avio_wb16(pb, mov_field_order);
819 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
821 int64_t pos = avio_tell(pb);
822 avio_wb32(pb, 0); /* size */
823 avio_wl32(pb, track->tag); // store it byteswapped
824 avio_wb32(pb, 0); /* Reserved */
825 avio_wb16(pb, 0); /* Reserved */
826 avio_wb16(pb, 1); /* Data-reference index */
828 if (track->enc->extradata_size)
829 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
831 return updateSize(pb, pos);
834 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
837 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
838 track->enc->sample_aspect_ratio.den, INT_MAX);
841 ffio_wfourcc(pb, "pasp");
842 avio_wb32(pb, sar.num);
843 avio_wb32(pb, sar.den);
847 static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
849 int64_t pos = avio_tell(pb);
850 char compressor_name[32];
852 avio_wb32(pb, 0); /* size */
853 avio_wl32(pb, track->tag); // store it byteswapped
854 avio_wb32(pb, 0); /* Reserved */
855 avio_wb16(pb, 0); /* Reserved */
856 avio_wb16(pb, 1); /* Data-reference index */
858 avio_wb16(pb, 0); /* Codec stream version */
859 avio_wb16(pb, 0); /* Codec stream revision (=0) */
860 if (track->mode == MODE_MOV) {
861 ffio_wfourcc(pb, "FFMP"); /* Vendor */
862 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
863 avio_wb32(pb, 0); /* Temporal Quality */
864 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
866 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
867 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
870 avio_wb32(pb, 0); /* Reserved */
871 avio_wb32(pb, 0); /* Reserved */
872 avio_wb32(pb, 0); /* Reserved */
874 avio_wb16(pb, track->enc->width); /* Video width */
875 avio_wb16(pb, track->height); /* Video height */
876 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
877 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
878 avio_wb32(pb, 0); /* Data size (= 0) */
879 avio_wb16(pb, 1); /* Frame count (= 1) */
881 memset(compressor_name,0,32);
882 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
883 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
884 av_strlcpy(compressor_name,track->enc->codec->name,32);
885 avio_w8(pb, strlen(compressor_name));
886 avio_write(pb, compressor_name, 31);
888 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
889 avio_wb16(pb, track->enc->bits_per_coded_sample);
891 avio_wb16(pb, 0x18); /* Reserved */
892 avio_wb16(pb, 0xffff); /* Reserved */
893 if(track->tag == MKTAG('m','p','4','v'))
894 mov_write_esds_tag(pb, track);
895 else if(track->enc->codec_id == CODEC_ID_H263)
896 mov_write_d263_tag(pb);
897 else if(track->enc->codec_id == CODEC_ID_SVQ3)
898 mov_write_svq3_tag(pb);
899 else if(track->enc->codec_id == CODEC_ID_DNXHD)
900 mov_write_avid_tag(pb, track);
901 else if(track->enc->codec_id == CODEC_ID_H264) {
902 mov_write_avcc_tag(pb, track);
903 if(track->mode == MODE_IPOD)
904 mov_write_uuid_tag_ipod(pb);
905 } else if (track->enc->field_order != AV_FIELD_UNKNOWN)
906 mov_write_fiel_tag(pb, track);
907 else if(track->vosLen > 0)
908 mov_write_glbl_tag(pb, track);
910 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
911 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
912 mov_write_pasp_tag(pb, track);
915 return updateSize(pb, pos);
918 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
920 int64_t pos = avio_tell(pb);
921 avio_wb32(pb, 0); /* size */
922 ffio_wfourcc(pb, "rtp ");
923 avio_wb32(pb, 0); /* Reserved */
924 avio_wb16(pb, 0); /* Reserved */
925 avio_wb16(pb, 1); /* Data-reference index */
927 avio_wb16(pb, 1); /* Hint track version */
928 avio_wb16(pb, 1); /* Highest compatible version */
929 avio_wb32(pb, track->max_packet_size); /* Max packet size */
931 avio_wb32(pb, 12); /* size */
932 ffio_wfourcc(pb, "tims");
933 avio_wb32(pb, track->timescale);
935 return updateSize(pb, pos);
938 static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
940 int64_t pos = avio_tell(pb);
941 avio_wb32(pb, 0); /* size */
942 ffio_wfourcc(pb, "stsd");
943 avio_wb32(pb, 0); /* version & flags */
944 avio_wb32(pb, 1); /* entry count */
945 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
946 mov_write_video_tag(pb, track);
947 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
948 mov_write_audio_tag(pb, track);
949 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
950 mov_write_subtitle_tag(pb, track);
951 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
952 mov_write_rtp_tag(pb, track);
953 return updateSize(pb, pos);
956 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
958 MOVStts *ctts_entries;
959 uint32_t entries = 0;
963 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
964 ctts_entries[0].count = 1;
965 ctts_entries[0].duration = track->cluster[0].cts;
966 for (i=1; i<track->entry; i++) {
967 if (track->cluster[i].cts == ctts_entries[entries].duration) {
968 ctts_entries[entries].count++; /* compress */
971 ctts_entries[entries].duration = track->cluster[i].cts;
972 ctts_entries[entries].count = 1;
975 entries++; /* last one */
976 atom_size = 16 + (entries * 8);
977 avio_wb32(pb, atom_size); /* size */
978 ffio_wfourcc(pb, "ctts");
979 avio_wb32(pb, 0); /* version & flags */
980 avio_wb32(pb, entries); /* entry count */
981 for (i=0; i<entries; i++) {
982 avio_wb32(pb, ctts_entries[i].count);
983 avio_wb32(pb, ctts_entries[i].duration);
985 av_free(ctts_entries);
989 /* Time to sample atom */
990 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
992 MOVStts *stts_entries;
993 uint32_t entries = -1;
997 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
998 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
999 stts_entries[0].count = track->sampleCount;
1000 stts_entries[0].duration = 1;
1003 stts_entries = av_malloc(track->entry * sizeof(*stts_entries)); /* worst case */
1004 for (i=0; i<track->entry; i++) {
1005 int64_t duration = i + 1 == track->entry ?
1006 track->trackDuration - track->cluster[i].dts + track->cluster[0].dts : /* readjusting */
1007 track->cluster[i+1].dts - track->cluster[i].dts;
1008 if (i && duration == stts_entries[entries].duration) {
1009 stts_entries[entries].count++; /* compress */
1012 stts_entries[entries].duration = duration;
1013 stts_entries[entries].count = 1;
1016 entries++; /* last one */
1018 atom_size = 16 + (entries * 8);
1019 avio_wb32(pb, atom_size); /* size */
1020 ffio_wfourcc(pb, "stts");
1021 avio_wb32(pb, 0); /* version & flags */
1022 avio_wb32(pb, entries); /* entry count */
1023 for (i=0; i<entries; i++) {
1024 avio_wb32(pb, stts_entries[i].count);
1025 avio_wb32(pb, stts_entries[i].duration);
1027 av_free(stts_entries);
1031 static int mov_write_dref_tag(AVIOContext *pb)
1033 avio_wb32(pb, 28); /* size */
1034 ffio_wfourcc(pb, "dref");
1035 avio_wb32(pb, 0); /* version & flags */
1036 avio_wb32(pb, 1); /* entry count */
1038 avio_wb32(pb, 0xc); /* size */
1039 ffio_wfourcc(pb, "url ");
1040 avio_wb32(pb, 1); /* version & flags */
1045 static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
1047 int64_t pos = avio_tell(pb);
1048 avio_wb32(pb, 0); /* size */
1049 ffio_wfourcc(pb, "stbl");
1050 mov_write_stsd_tag(pb, track);
1051 mov_write_stts_tag(pb, track);
1052 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1053 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
1054 track->hasKeyframes && track->hasKeyframes < track->entry)
1055 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1056 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1057 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
1058 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1059 track->flags & MOV_TRACK_CTTS)
1060 mov_write_ctts_tag(pb, track);
1061 mov_write_stsc_tag(pb, track);
1062 mov_write_stsz_tag(pb, track);
1063 mov_write_stco_tag(pb, track);
1064 return updateSize(pb, pos);
1067 static int mov_write_dinf_tag(AVIOContext *pb)
1069 int64_t pos = avio_tell(pb);
1070 avio_wb32(pb, 0); /* size */
1071 ffio_wfourcc(pb, "dinf");
1072 mov_write_dref_tag(pb);
1073 return updateSize(pb, pos);
1076 static int mov_write_nmhd_tag(AVIOContext *pb)
1079 ffio_wfourcc(pb, "nmhd");
1084 static int mov_write_gmhd_tag(AVIOContext *pb)
1086 avio_wb32(pb, 0x20); /* size */
1087 ffio_wfourcc(pb, "gmhd");
1088 avio_wb32(pb, 0x18); /* gmin size */
1089 ffio_wfourcc(pb, "gmin");/* generic media info */
1090 avio_wb32(pb, 0); /* version & flags */
1091 avio_wb16(pb, 0x40); /* graphics mode = */
1092 avio_wb16(pb, 0x8000); /* opColor (r?) */
1093 avio_wb16(pb, 0x8000); /* opColor (g?) */
1094 avio_wb16(pb, 0x8000); /* opColor (b?) */
1095 avio_wb16(pb, 0); /* balance */
1096 avio_wb16(pb, 0); /* reserved */
1100 static int mov_write_smhd_tag(AVIOContext *pb)
1102 avio_wb32(pb, 16); /* size */
1103 ffio_wfourcc(pb, "smhd");
1104 avio_wb32(pb, 0); /* version & flags */
1105 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1106 avio_wb16(pb, 0); /* reserved */
1110 static int mov_write_vmhd_tag(AVIOContext *pb)
1112 avio_wb32(pb, 0x14); /* size (always 0x14) */
1113 ffio_wfourcc(pb, "vmhd");
1114 avio_wb32(pb, 0x01); /* version & flags */
1115 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
1119 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
1121 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1122 int64_t pos = avio_tell(pb);
1124 if (!track) { /* no media --> data handler */
1127 descr = "DataHandler";
1129 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1130 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1132 descr = "VideoHandler";
1133 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1135 descr = "SoundHandler";
1136 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1137 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
1138 else hdlr_type = "text";
1139 descr = "SubtitleHandler";
1140 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1142 descr = "HintHandler";
1146 avio_wb32(pb, 0); /* size */
1147 ffio_wfourcc(pb, "hdlr");
1148 avio_wb32(pb, 0); /* Version & flags */
1149 avio_write(pb, hdlr, 4); /* handler */
1150 ffio_wfourcc(pb, hdlr_type); /* handler type */
1151 avio_wb32(pb ,0); /* reserved */
1152 avio_wb32(pb ,0); /* reserved */
1153 avio_wb32(pb ,0); /* reserved */
1154 if (!track || track->mode == MODE_MOV)
1155 avio_w8(pb, strlen(descr)); /* pascal string */
1156 avio_write(pb, descr, strlen(descr)); /* handler description */
1157 if (track && track->mode != MODE_MOV)
1158 avio_w8(pb, 0); /* c string */
1159 return updateSize(pb, pos);
1162 static int mov_write_hmhd_tag(AVIOContext *pb)
1164 /* This atom must be present, but leaving the values at zero
1165 * seems harmless. */
1166 avio_wb32(pb, 28); /* size */
1167 ffio_wfourcc(pb, "hmhd");
1168 avio_wb32(pb, 0); /* version, flags */
1169 avio_wb16(pb, 0); /* maxPDUsize */
1170 avio_wb16(pb, 0); /* avgPDUsize */
1171 avio_wb32(pb, 0); /* maxbitrate */
1172 avio_wb32(pb, 0); /* avgbitrate */
1173 avio_wb32(pb, 0); /* reserved */
1177 static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
1179 int64_t pos = avio_tell(pb);
1180 avio_wb32(pb, 0); /* size */
1181 ffio_wfourcc(pb, "minf");
1182 if(track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1183 mov_write_vmhd_tag(pb);
1184 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1185 mov_write_smhd_tag(pb);
1186 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1187 if (track->tag == MKTAG('t','e','x','t')) mov_write_gmhd_tag(pb);
1188 else mov_write_nmhd_tag(pb);
1189 } else if (track->tag == MKTAG('r','t','p',' ')) {
1190 mov_write_hmhd_tag(pb);
1192 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1193 mov_write_hdlr_tag(pb, NULL);
1194 mov_write_dinf_tag(pb);
1195 mov_write_stbl_tag(pb, track);
1196 return updateSize(pb, pos);
1199 static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track)
1201 int version = track->trackDuration < INT32_MAX ? 0 : 1;
1203 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
1204 ffio_wfourcc(pb, "mdhd");
1205 avio_w8(pb, version);
1206 avio_wb24(pb, 0); /* flags */
1208 avio_wb64(pb, track->time);
1209 avio_wb64(pb, track->time);
1211 avio_wb32(pb, track->time); /* creation time */
1212 avio_wb32(pb, track->time); /* modification time */
1214 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
1215 (version == 1) ? avio_wb64(pb, track->trackDuration) : avio_wb32(pb, track->trackDuration); /* duration */
1216 avio_wb16(pb, track->language); /* language */
1217 avio_wb16(pb, 0); /* reserved (quality) */
1219 if(version!=0 && track->mode == MODE_MOV){
1220 av_log(NULL, AV_LOG_ERROR,
1221 "FATAL error, file duration too long for timebase, this file will not be\n"
1222 "playable with quicktime. Choose a different timebase or a different\n"
1223 "container format\n");
1229 static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track)
1231 int64_t pos = avio_tell(pb);
1232 avio_wb32(pb, 0); /* size */
1233 ffio_wfourcc(pb, "mdia");
1234 mov_write_mdhd_tag(pb, track);
1235 mov_write_hdlr_tag(pb, track);
1236 mov_write_minf_tag(pb, track);
1237 return updateSize(pb, pos);
1240 static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1242 int64_t duration = av_rescale_rnd(track->trackDuration, MOV_TIMESCALE,
1243 track->timescale, AV_ROUND_UP);
1244 int version = duration < INT32_MAX ? 0 : 1;
1246 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
1247 ffio_wfourcc(pb, "tkhd");
1248 avio_w8(pb, version);
1249 avio_wb24(pb, 0xf); /* flags (track enabled) */
1251 avio_wb64(pb, track->time);
1252 avio_wb64(pb, track->time);
1254 avio_wb32(pb, track->time); /* creation time */
1255 avio_wb32(pb, track->time); /* modification time */
1257 avio_wb32(pb, track->trackID); /* track-id */
1258 avio_wb32(pb, 0); /* reserved */
1259 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
1261 avio_wb32(pb, 0); /* reserved */
1262 avio_wb32(pb, 0); /* reserved */
1263 avio_wb16(pb, 0); /* layer */
1264 avio_wb16(pb, st ? st->codec->codec_type : 0); /* alternate group) */
1265 /* Volume, only for audio */
1266 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1267 avio_wb16(pb, 0x0100);
1270 avio_wb16(pb, 0); /* reserved */
1272 /* Matrix structure */
1273 avio_wb32(pb, 0x00010000); /* reserved */
1274 avio_wb32(pb, 0x0); /* reserved */
1275 avio_wb32(pb, 0x0); /* reserved */
1276 avio_wb32(pb, 0x0); /* reserved */
1277 avio_wb32(pb, 0x00010000); /* reserved */
1278 avio_wb32(pb, 0x0); /* reserved */
1279 avio_wb32(pb, 0x0); /* reserved */
1280 avio_wb32(pb, 0x0); /* reserved */
1281 avio_wb32(pb, 0x40000000); /* reserved */
1283 /* Track width and height, for visual only */
1284 if(st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1285 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
1286 if(track->mode == MODE_MOV) {
1287 avio_wb32(pb, track->enc->width << 16);
1288 avio_wb32(pb, track->height << 16);
1290 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1291 if(!sample_aspect_ratio || track->height != track->enc->height)
1292 sample_aspect_ratio = 1;
1293 avio_wb32(pb, sample_aspect_ratio * track->enc->width*0x10000);
1294 avio_wb32(pb, track->height*0x10000);
1304 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
1306 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
1307 track->enc->sample_aspect_ratio.den);
1309 int64_t pos = avio_tell(pb);
1311 avio_wb32(pb, 0); /* size */
1312 ffio_wfourcc(pb, "tapt");
1315 ffio_wfourcc(pb, "clef");
1317 avio_wb32(pb, width << 16);
1318 avio_wb32(pb, track->enc->height << 16);
1321 ffio_wfourcc(pb, "enof");
1323 avio_wb32(pb, track->enc->width << 16);
1324 avio_wb32(pb, track->enc->height << 16);
1326 return updateSize(pb, pos);
1329 // This box seems important for the psp playback ... without it the movie seems to hang
1330 static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track)
1332 int64_t duration = av_rescale_rnd(track->trackDuration, MOV_TIMESCALE,
1333 track->timescale, AV_ROUND_UP);
1334 int version = duration < INT32_MAX ? 0 : 1;
1335 int entry_size, entry_count, size;
1336 int64_t delay, start_ct = track->cluster[0].cts;
1337 delay = av_rescale_rnd(track->cluster[0].dts + start_ct, MOV_TIMESCALE,
1338 track->timescale, AV_ROUND_DOWN);
1339 version |= delay < INT32_MAX ? 0 : 1;
1341 entry_size = (version == 1) ? 20 : 12;
1342 entry_count = 1 + (delay > 0);
1343 size = 24 + entry_count * entry_size;
1345 /* write the atom data */
1346 avio_wb32(pb, size);
1347 ffio_wfourcc(pb, "edts");
1348 avio_wb32(pb, size - 8);
1349 ffio_wfourcc(pb, "elst");
1350 avio_w8(pb, version);
1351 avio_wb24(pb, 0); /* flags */
1353 avio_wb32(pb, entry_count);
1354 if (delay > 0) { /* add an empty edit to delay presentation */
1356 avio_wb64(pb, delay);
1359 avio_wb32(pb, delay);
1362 avio_wb32(pb, 0x00010000);
1367 avio_wb64(pb, duration);
1368 avio_wb64(pb, start_ct);
1370 avio_wb32(pb, duration);
1371 avio_wb32(pb, start_ct);
1373 avio_wb32(pb, 0x00010000);
1377 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
1379 avio_wb32(pb, 20); // size
1380 ffio_wfourcc(pb, "tref");
1381 avio_wb32(pb, 12); // size (subatom)
1382 avio_wl32(pb, track->tref_tag);
1383 avio_wb32(pb, track->tref_id);
1387 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1388 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
1390 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1391 ffio_wfourcc(pb, "uuid");
1392 ffio_wfourcc(pb, "USMT");
1393 avio_wb32(pb, 0x21d24fce);
1394 avio_wb32(pb, 0xbb88695c);
1395 avio_wb32(pb, 0xfac9c740);
1396 avio_wb32(pb, 0x1c); // another size here!
1397 ffio_wfourcc(pb, "MTDT");
1398 avio_wb32(pb, 0x00010012);
1399 avio_wb32(pb, 0x0a);
1400 avio_wb32(pb, 0x55c40000);
1406 static int mov_write_udta_sdp(AVIOContext *pb, AVFormatContext *ctx, int index)
1408 char buf[1000] = "";
1411 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0]->codec, NULL, NULL, 0, 0, ctx);
1412 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", index);
1415 avio_wb32(pb, len + 24);
1416 ffio_wfourcc(pb, "udta");
1417 avio_wb32(pb, len + 16);
1418 ffio_wfourcc(pb, "hnti");
1419 avio_wb32(pb, len + 8);
1420 ffio_wfourcc(pb, "sdp ");
1421 avio_write(pb, buf, len);
1425 static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track, AVStream *st)
1427 int64_t pos = avio_tell(pb);
1428 avio_wb32(pb, 0); /* size */
1429 ffio_wfourcc(pb, "trak");
1430 mov_write_tkhd_tag(pb, track, st);
1431 if(!mov->fragments) // EDTS with fragments is tricky as we dont know the duration when its written
1432 mov_write_edts_tag(pb, track); // PSP Movies and several other cases require edts box
1433 if (track->tref_tag)
1434 mov_write_tref_tag(pb, track);
1435 mov_write_mdia_tag(pb, track);
1436 if (track->mode == MODE_PSP)
1437 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
1438 if (track->tag == MKTAG('r','t','p',' '))
1439 mov_write_udta_sdp(pb, track->rtp_ctx, track->trackID);
1440 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && track->mode == MODE_MOV) {
1441 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1442 if (0.0 != sample_aspect_ratio && 1.0 != sample_aspect_ratio)
1443 mov_write_tapt_tag(pb, track);
1445 return updateSize(pb, pos);
1448 static int mov_write_tfhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1450 int64_t pos = avio_tell(pb);
1454 ffio_wfourcc(pb, "tfhd");
1456 avio_wb24(pb, flags);
1457 avio_wb32(pb, track->trackID);
1459 track->base_data_offset_pos= avio_tell(pb);
1460 if (flags & 0x01) avio_wb64(pb, 0);
1462 return updateSize(pb, pos);
1465 static int mov_write_trun_tag(AVIOContext *pb, MOVTrack *track)
1467 int64_t pos = avio_tell(pb);
1468 int sample_count= track->entry - track->cluster_write_index;
1472 for(i=track->cluster_write_index; i<track->entry; i++){
1473 int64_t duration = i + 1 == track->entry ?
1474 track->trackDuration - track->cluster[i].dts + track->cluster[0].dts : /* readjusting */
1475 track->cluster[i+1].dts - track->cluster[i].dts;
1476 if(duration != 1) tr_flags |= 0x100;
1477 if(track->trex_size != track->cluster[i].size) tr_flags |= 0x200;
1478 if(track->trex_flags != ((track->cluster[i].flags&MOV_SYNC_SAMPLE) ? 0x02000000 : 0x01010000))
1480 if(track->cluster[i].cts) tr_flags |= 0x800;
1484 ffio_wfourcc(pb, "trun");
1486 avio_wb24(pb, tr_flags);
1487 avio_wb32(pb, sample_count);
1488 if(tr_flags&1) avio_wb32(pb, 0);
1490 for(i=track->cluster_write_index; i<track->entry; i++){
1491 int64_t duration = i + 1 == track->entry ?
1492 track->trackDuration - track->cluster[i].dts + track->cluster[0].dts : /* readjusting */
1493 track->cluster[i+1].dts - track->cluster[i].dts;
1495 if(tr_flags&0x100) avio_wb32(pb, duration);
1496 if(tr_flags&0x200) avio_wb32(pb, track->cluster[i].size);
1497 if(tr_flags&0x400) avio_wb32(pb, (track->cluster[i].flags&MOV_SYNC_SAMPLE) ? 0x02000000 : 0x01010000);
1498 if(tr_flags&0x800) avio_wb32(pb, track->cluster[i].cts);
1501 return updateSize(pb, pos);
1504 static int mov_write_traf_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1506 int64_t pos = avio_tell(pb);
1507 avio_wb32(pb, 0); /* size */
1508 ffio_wfourcc(pb, "traf");
1509 mov_write_tfhd_tag(pb, track, st);
1510 mov_write_trun_tag(pb, track);
1511 return updateSize(pb, pos);
1514 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
1516 int i, has_audio = 0, has_video = 0;
1517 int64_t pos = avio_tell(pb);
1518 int audio_profile = mov->iods_audio_profile;
1519 int video_profile = mov->iods_video_profile;
1520 for (i = 0; i < mov->nb_streams; i++) {
1521 if(mov->tracks[i].entry > 0) {
1522 has_audio |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_AUDIO;
1523 has_video |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_VIDEO;
1526 if (audio_profile < 0)
1527 audio_profile = 0xFF - has_audio;
1528 if (video_profile < 0)
1529 video_profile = 0xFF - has_video;
1530 avio_wb32(pb, 0x0); /* size */
1531 ffio_wfourcc(pb, "iods");
1532 avio_wb32(pb, 0); /* version & flags */
1533 putDescr(pb, 0x10, 7);
1534 avio_wb16(pb, 0x004f);
1537 avio_w8(pb, audio_profile);
1538 avio_w8(pb, video_profile);
1540 return updateSize(pb, pos);
1543 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
1545 int maxTrackID = 1, i;
1546 int64_t maxTrackLenTemp, maxTrackLen = 0;
1549 for (i=0; i<mov->nb_streams; i++) {
1550 if(mov->tracks[i].entry > 0) {
1551 maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration,
1553 mov->tracks[i].timescale,
1555 if(maxTrackLen < maxTrackLenTemp)
1556 maxTrackLen = maxTrackLenTemp;
1557 if(maxTrackID < mov->tracks[i].trackID)
1558 maxTrackID = mov->tracks[i].trackID;
1562 version = maxTrackLen < UINT32_MAX ? 0 : 1;
1563 (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
1564 ffio_wfourcc(pb, "mvhd");
1565 avio_w8(pb, version);
1566 avio_wb24(pb, 0); /* flags */
1568 avio_wb64(pb, mov->time);
1569 avio_wb64(pb, mov->time);
1571 avio_wb32(pb, mov->time); /* creation time */
1572 avio_wb32(pb, mov->time); /* modification time */
1574 avio_wb32(pb, MOV_TIMESCALE);
1575 (version == 1) ? avio_wb64(pb, maxTrackLen) : avio_wb32(pb, maxTrackLen); /* duration of longest track */
1577 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1578 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1579 avio_wb16(pb, 0); /* reserved */
1580 avio_wb32(pb, 0); /* reserved */
1581 avio_wb32(pb, 0); /* reserved */
1583 /* Matrix structure */
1584 avio_wb32(pb, 0x00010000); /* reserved */
1585 avio_wb32(pb, 0x0); /* reserved */
1586 avio_wb32(pb, 0x0); /* reserved */
1587 avio_wb32(pb, 0x0); /* reserved */
1588 avio_wb32(pb, 0x00010000); /* reserved */
1589 avio_wb32(pb, 0x0); /* reserved */
1590 avio_wb32(pb, 0x0); /* reserved */
1591 avio_wb32(pb, 0x0); /* reserved */
1592 avio_wb32(pb, 0x40000000); /* reserved */
1594 avio_wb32(pb, 0); /* reserved (preview time) */
1595 avio_wb32(pb, 0); /* reserved (preview duration) */
1596 avio_wb32(pb, 0); /* reserved (poster time) */
1597 avio_wb32(pb, 0); /* reserved (selection time) */
1598 avio_wb32(pb, 0); /* reserved (selection duration) */
1599 avio_wb32(pb, 0); /* reserved (current time) */
1600 avio_wb32(pb, maxTrackID+1); /* Next track id */
1604 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
1607 avio_wb32(pb, 33); /* size */
1608 ffio_wfourcc(pb, "hdlr");
1611 ffio_wfourcc(pb, "mdir");
1612 ffio_wfourcc(pb, "appl");
1619 /* helper function to write a data tag with the specified string as data */
1620 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
1623 int size = 16 + strlen(data);
1624 avio_wb32(pb, size); /* size */
1625 ffio_wfourcc(pb, "data");
1628 avio_write(pb, data, strlen(data));
1632 lang = ff_mov_iso639_to_lang("und", 1);
1633 avio_wb16(pb, strlen(data)); /* string length */
1634 avio_wb16(pb, lang);
1635 avio_write(pb, data, strlen(data));
1636 return strlen(data) + 4;
1640 static int mov_write_string_tag(AVIOContext *pb, const char *name, const char *value, int lang, int long_style){
1642 if (value && value[0]) {
1643 int64_t pos = avio_tell(pb);
1644 avio_wb32(pb, 0); /* size */
1645 ffio_wfourcc(pb, name);
1646 mov_write_string_data_tag(pb, value, lang, long_style);
1647 size= updateSize(pb, pos);
1652 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
1653 const char *name, const char *tag,
1656 int l, lang = 0, len, len2;
1657 AVDictionaryEntry *t, *t2 = NULL;
1660 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
1663 len = strlen(t->key);
1664 snprintf(tag2, sizeof(tag2), "%s-", tag);
1665 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
1666 len2 = strlen(t2->key);
1667 if (len2 == len+4 && !strcmp(t->value, t2->value)
1668 && (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 1)) >= 0) {
1673 return mov_write_string_tag(pb, name, t->value, lang, long_style);
1676 /* iTunes track number */
1677 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
1680 AVDictionaryEntry *t = av_dict_get(s->metadata, "track", NULL, 0);
1681 int size = 0, track = t ? atoi(t->value) : 0;
1683 avio_wb32(pb, 32); /* size */
1684 ffio_wfourcc(pb, "trkn");
1685 avio_wb32(pb, 24); /* size */
1686 ffio_wfourcc(pb, "data");
1687 avio_wb32(pb, 0); // 8 bytes empty
1689 avio_wb16(pb, 0); // empty
1690 avio_wb16(pb, track); // track number
1691 avio_wb16(pb, 0); // total track number
1692 avio_wb16(pb, 0); // empty
1698 /* iTunes meta data list */
1699 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
1702 int64_t pos = avio_tell(pb);
1703 avio_wb32(pb, 0); /* size */
1704 ffio_wfourcc(pb, "ilst");
1705 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
1706 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
1707 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
1708 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
1709 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
1710 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
1711 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
1712 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
1713 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
1714 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
1715 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
1716 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
1717 mov_write_string_metadata(s, pb, "desc", "description",1);
1718 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
1719 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
1720 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
1721 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
1722 mov_write_trkn_tag(pb, mov, s);
1723 return updateSize(pb, pos);
1726 /* iTunes meta data tag */
1727 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
1731 int64_t pos = avio_tell(pb);
1732 avio_wb32(pb, 0); /* size */
1733 ffio_wfourcc(pb, "meta");
1735 mov_write_itunes_hdlr_tag(pb, mov, s);
1736 mov_write_ilst_tag(pb, mov, s);
1737 size = updateSize(pb, pos);
1741 static int utf8len(const uint8_t *b)
1746 GET_UTF8(val, *b++, return -1;)
1752 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
1756 GET_UTF8(val, *b++, return -1;)
1759 avio_wb16(pb, 0x00);
1763 static uint16_t language_code(const char *str)
1765 return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
1768 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
1769 const char *tag, const char *str)
1771 int64_t pos = avio_tell(pb);
1772 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
1773 if (!t || !utf8len(t->value))
1775 avio_wb32(pb, 0); /* size */
1776 ffio_wfourcc(pb, tag); /* type */
1777 avio_wb32(pb, 0); /* version + flags */
1778 if (!strcmp(tag, "yrrc"))
1779 avio_wb16(pb, atoi(t->value));
1781 avio_wb16(pb, language_code("eng")); /* language */
1782 avio_write(pb, t->value, strlen(t->value)+1); /* UTF8 string value */
1783 if (!strcmp(tag, "albm") &&
1784 (t = av_dict_get(s->metadata, "track", NULL, 0)))
1785 avio_w8(pb, atoi(t->value));
1787 return updateSize(pb, pos);
1790 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
1792 int64_t pos = avio_tell(pb);
1793 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
1795 avio_wb32(pb, 0); // size
1796 ffio_wfourcc(pb, "chpl");
1797 avio_wb32(pb, 0x01000000); // version + flags
1798 avio_wb32(pb, 0); // unknown
1799 avio_w8(pb, nb_chapters);
1801 for (i = 0; i < nb_chapters; i++) {
1802 AVChapter *c = s->chapters[i];
1803 AVDictionaryEntry *t;
1804 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
1806 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
1807 int len = FFMIN(strlen(t->value), 255);
1809 avio_write(pb, t->value, len);
1813 return updateSize(pb, pos);
1816 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
1819 AVIOContext *pb_buf;
1823 for (i = 0; i < s->nb_streams; i++)
1824 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
1828 ret = avio_open_dyn_buf(&pb_buf);
1832 if (mov->mode & MODE_3GP) {
1833 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
1834 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
1835 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
1836 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
1837 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
1838 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
1839 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
1840 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
1841 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
1842 mov_write_string_metadata(s, pb_buf, "\251ART", "artist" , 0);
1843 mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0);
1844 mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0);
1845 mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0);
1846 mov_write_string_metadata(s, pb_buf, "\251day", "date" , 0);
1847 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder" , 0);
1848 mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0);
1849 mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0);
1850 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0);
1852 /* iTunes meta data */
1853 mov_write_meta_tag(pb_buf, mov, s);
1857 mov_write_chpl_tag(pb_buf, s);
1859 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
1860 avio_wb32(pb, size+8);
1861 ffio_wfourcc(pb, "udta");
1862 avio_write(pb, buf, size);
1869 static void mov_write_psp_udta_tag(AVIOContext *pb,
1870 const char *str, const char *lang, int type)
1872 int len = utf8len(str)+1;
1875 avio_wb16(pb, len*2+10); /* size */
1876 avio_wb32(pb, type); /* type */
1877 avio_wb16(pb, language_code(lang)); /* language */
1878 avio_wb16(pb, 0x01); /* ? */
1879 ascii_to_wc(pb, str);
1882 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
1884 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
1888 pos = avio_tell(pb);
1889 avio_wb32(pb, 0); /* size placeholder*/
1890 ffio_wfourcc(pb, "uuid");
1891 ffio_wfourcc(pb, "USMT");
1892 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
1893 avio_wb32(pb, 0xbb88695c);
1894 avio_wb32(pb, 0xfac9c740);
1896 pos2 = avio_tell(pb);
1897 avio_wb32(pb, 0); /* size placeholder*/
1898 ffio_wfourcc(pb, "MTDT");
1902 avio_wb16(pb, 0x0C); /* size */
1903 avio_wb32(pb, 0x0B); /* type */
1904 avio_wb16(pb, language_code("und")); /* language */
1905 avio_wb16(pb, 0x0); /* ? */
1906 avio_wb16(pb, 0x021C); /* data */
1908 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
1909 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
1910 // 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);
1911 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
1913 updateSize(pb, pos2);
1914 return updateSize(pb, pos);
1920 static void build_chunks(MOVTrack *trk)
1923 MOVIentry *chunk= &trk->cluster[0];
1924 uint64_t chunkSize = chunk->size;
1927 for(i=1; i<trk->entry; i++){
1928 if(chunk->pos + chunkSize == trk->cluster[i].pos){
1929 chunkSize += trk->cluster[i].size;
1930 chunk->samplesInChunk += trk->cluster[i].entries;
1932 trk->cluster[i].chunkNum = chunk->chunkNum+1;
1933 chunk=&trk->cluster[i];
1934 chunkSize = chunk->size;
1940 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1942 int64_t pos = avio_tell(pb);
1943 avio_wb32(pb, 0); /* size */
1944 ffio_wfourcc(pb, "trex");
1948 avio_wb32(pb, track->trackID);
1949 avio_wb32(pb, 1); // stsd_id
1950 avio_wb32(pb, 1); // duration
1951 track->trex_size= track->entry ? track->cluster[FFMIN(1, track->entry-1)].size : 1;
1952 avio_wb32(pb, track->trex_size);
1953 track->trex_flags= st->codec->codec_type != AVMEDIA_TYPE_VIDEO ? 0x02000000 : 0x01010000;
1954 avio_wb32(pb, track->trex_flags);
1955 return updateSize(pb, pos);
1958 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov,
1962 int64_t pos = avio_tell(pb);
1963 avio_wb32(pb, 0); /* size placeholder*/
1964 ffio_wfourcc(pb, "mvex");
1966 for (i=0; i<mov->nb_streams; i++) {
1967 if(mov->tracks[i].entry > 0) {
1968 mov_write_trex_tag(pb, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
1972 return updateSize(pb, pos);
1975 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
1979 int64_t pos = avio_tell(pb);
1980 avio_wb32(pb, 0); /* size placeholder*/
1981 ffio_wfourcc(pb, "moov");
1983 for (i=0; i<mov->nb_streams; i++) {
1984 if(mov->tracks[i].entry <= 0) continue;
1986 mov->tracks[i].time = mov->time;
1987 mov->tracks[i].trackID = i+1;
1989 build_chunks(&mov->tracks[i]);
1992 if (mov->chapter_track)
1993 for (i=0; i<s->nb_streams; i++) {
1994 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
1995 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].trackID;
1997 for (i = 0; i < mov->nb_streams; i++) {
1998 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
1999 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
2000 mov->tracks[i].tref_id =
2001 mov->tracks[mov->tracks[i].src_track].trackID;
2005 mov_write_mvhd_tag(pb, mov);
2006 if (mov->mode != MODE_MOV && !mov->iods_skip)
2007 mov_write_iods_tag(pb, mov);
2008 for (i=0; i<mov->nb_streams; i++) {
2009 if(mov->tracks[i].entry > 0) {
2010 mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
2015 mov_write_mvex_tag(pb, mov, s);
2017 if (mov->mode == MODE_PSP)
2018 mov_write_uuidusmt_tag(pb, s);
2020 mov_write_udta_tag(pb, mov, s);
2022 return updateSize(pb, pos);
2025 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
2027 int64_t pos = avio_tell(pb);
2028 avio_wb32(pb, 0); /* size placeholder*/
2029 ffio_wfourcc(pb, "mfhd");
2031 avio_wb32(pb, mov->frag_seq_num++);
2033 return updateSize(pb, pos); //FIXME replace by hardcoded num also above
2036 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov,
2040 int64_t pos = avio_tell(pb);
2041 avio_wb32(pb, 0); /* size placeholder*/
2042 ffio_wfourcc(pb, "moof");
2044 mov_write_mfhd_tag(pb, mov);
2045 for (i=0; i<mov->nb_streams; i++) {
2046 if(mov->tracks[i].entry > 0) {
2047 mov_write_traf_tag(pb, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
2051 return updateSize(pb, pos);
2054 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
2056 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
2057 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
2059 mov->mdat_pos = avio_tell(pb);
2060 avio_wb32(pb, 0); /* size placeholder*/
2061 ffio_wfourcc(pb, "mdat");
2065 /* TODO: This needs to be more general */
2066 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
2068 MOVMuxContext *mov = s->priv_data;
2069 int64_t pos = avio_tell(pb);
2070 int has_h264 = 0, has_video = 0;
2074 for (i = 0; i < s->nb_streams; i++) {
2075 AVStream *st = s->streams[i];
2076 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2078 if (st->codec->codec_id == CODEC_ID_H264)
2082 avio_wb32(pb, 0); /* size */
2083 ffio_wfourcc(pb, "ftyp");
2085 if (mov->mode == MODE_3GP) {
2086 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
2087 minor = has_h264 ? 0x100 : 0x200;
2088 } else if (mov->mode & MODE_3G2) {
2089 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
2090 minor = has_h264 ? 0x20000 : 0x10000;
2091 }else if (mov->mode == MODE_PSP)
2092 ffio_wfourcc(pb, "MSNV");
2093 else if (mov->mode == MODE_MP4)
2094 ffio_wfourcc(pb, "isom");
2095 else if (mov->mode == MODE_IPOD)
2096 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
2098 ffio_wfourcc(pb, "qt ");
2100 avio_wb32(pb, minor);
2102 if(mov->mode == MODE_MOV)
2103 ffio_wfourcc(pb, "qt ");
2105 ffio_wfourcc(pb, "isom");
2106 ffio_wfourcc(pb, "iso2");
2108 ffio_wfourcc(pb, "avc1");
2111 if (mov->mode == MODE_3GP)
2112 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
2113 else if (mov->mode & MODE_3G2)
2114 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
2115 else if (mov->mode == MODE_PSP)
2116 ffio_wfourcc(pb, "MSNV");
2117 else if (mov->mode == MODE_MP4)
2118 ffio_wfourcc(pb, "mp41");
2119 return updateSize(pb, pos);
2122 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
2124 AVCodecContext *VideoCodec = s->streams[0]->codec;
2125 AVCodecContext *AudioCodec = s->streams[1]->codec;
2126 int AudioRate = AudioCodec->sample_rate;
2127 int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num);
2128 int audio_kbitrate= AudioCodec->bit_rate / 1000;
2129 int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate);
2131 avio_wb32(pb, 0x94); /* size */
2132 ffio_wfourcc(pb, "uuid");
2133 ffio_wfourcc(pb, "PROF");
2135 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2136 avio_wb32(pb, 0xbb88695c);
2137 avio_wb32(pb, 0xfac9c740);
2139 avio_wb32(pb, 0x0); /* ? */
2140 avio_wb32(pb, 0x3); /* 3 sections ? */
2142 avio_wb32(pb, 0x14); /* size */
2143 ffio_wfourcc(pb, "FPRF");
2144 avio_wb32(pb, 0x0); /* ? */
2145 avio_wb32(pb, 0x0); /* ? */
2146 avio_wb32(pb, 0x0); /* ? */
2148 avio_wb32(pb, 0x2c); /* size */
2149 ffio_wfourcc(pb, "APRF");/* audio */
2151 avio_wb32(pb, 0x2); /* TrackID */
2152 ffio_wfourcc(pb, "mp4a");
2153 avio_wb32(pb, 0x20f);
2155 avio_wb32(pb, audio_kbitrate);
2156 avio_wb32(pb, audio_kbitrate);
2157 avio_wb32(pb, AudioRate);
2158 avio_wb32(pb, AudioCodec->channels);
2160 avio_wb32(pb, 0x34); /* size */
2161 ffio_wfourcc(pb, "VPRF"); /* video */
2163 avio_wb32(pb, 0x1); /* TrackID */
2164 if (VideoCodec->codec_id == CODEC_ID_H264) {
2165 ffio_wfourcc(pb, "avc1");
2166 avio_wb16(pb, 0x014D);
2167 avio_wb16(pb, 0x0015);
2169 ffio_wfourcc(pb, "mp4v");
2170 avio_wb16(pb, 0x0000);
2171 avio_wb16(pb, 0x0103);
2174 avio_wb32(pb, video_kbitrate);
2175 avio_wb32(pb, video_kbitrate);
2176 avio_wb32(pb, FrameRate);
2177 avio_wb32(pb, FrameRate);
2178 avio_wb16(pb, VideoCodec->width);
2179 avio_wb16(pb, VideoCodec->height);
2180 avio_wb32(pb, 0x010001); /* ? */
2183 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
2186 int i, closed_gop = 0;
2188 for (i = 0; i < pkt->size - 4; i++) {
2189 c = (c<<8) + pkt->data[i];
2190 if (c == 0x1b8) { // gop
2191 closed_gop = pkt->data[i+4]>>6 & 0x01;
2192 } else if (c == 0x100) { // pic
2193 int temp_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
2194 if (!temp_ref || closed_gop) // I picture is not reordered
2195 *flags = MOV_SYNC_SAMPLE;
2197 *flags = MOV_PARTIAL_SYNC_SAMPLE;
2204 static int flush_cluster_buffer(AVFormatContext *s){
2205 MOVMuxContext *mov = s->priv_data;
2209 for (i=0; i<mov->nb_streams; i++){
2210 MOVTrack *track= &mov->tracks[i];
2211 if(track->entry != track->cluster_write_index)
2215 if(mov->frag_seq_num==0){
2216 update_first_fragment(s);
2217 mov->frag_seq_num++;
2218 }else if(has_data) {
2219 mov_write_moof_tag(s->pb, mov, s);
2220 mov_write_mdat_tag(s->pb, mov);
2221 for (i=0; i<mov->nb_streams; i++){
2222 MOVTrack *track= &mov->tracks[i];
2223 if(track->entry > 0) {
2224 int64_t pos= avio_tell(s->pb);
2225 avio_seek(s->pb, track->base_data_offset_pos, SEEK_SET);
2226 avio_wb64(s->pb, pos);
2227 avio_seek(s->pb, pos, SEEK_SET);
2228 for(j=track->cluster_write_index; j<track->entry; j++){
2229 avio_write(s->pb, track->cluster[j].data, track->cluster[j].size);
2230 av_freep(&track->cluster[j].data);
2234 updateSize(s->pb, mov->mdat_pos);
2237 for (i=0; i<mov->nb_streams; i++) {
2238 MOVTrack *track= &mov->tracks[i];
2239 track->cluster_write_index= track->entry;
2246 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
2248 MOVMuxContext *mov = s->priv_data;
2249 AVIOContext *pb = s->pb;
2250 MOVTrack *trk = &mov->tracks[pkt->stream_index];
2251 AVStream *st = s->streams[pkt->stream_index];
2252 AVCodecContext *enc = trk->enc;
2253 unsigned int samplesInChunk = 0;
2254 int size= pkt->size;
2255 uint8_t *reformatted_data = NULL;
2257 if (!s->pb->seekable) return 0; /* Can't handle that */
2258 if (!size) return 0; /* Discard 0 sized packets */
2260 if (mov->fragments && trk->entry > trk->cluster_write_index &&
2261 ( 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
2262 || mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size)
2264 flush_cluster_buffer(s);
2267 if (enc->codec_id == CODEC_ID_AMR_NB) {
2268 /* We must find out how many AMR blocks there are in one packet */
2269 static uint16_t packed_size[16] =
2270 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
2273 while (len < size && samplesInChunk < 100) {
2274 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
2277 if(samplesInChunk > 1){
2278 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
2281 } else if (trk->sampleSize)
2282 samplesInChunk = size/trk->sampleSize;
2286 /* copy extradata if it exists */
2287 if (trk->vosLen == 0 && enc->extradata_size > 0) {
2288 trk->vosLen = enc->extradata_size;
2289 trk->vosData = av_malloc(trk->vosLen);
2290 memcpy(trk->vosData, enc->extradata, trk->vosLen);
2293 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
2294 trk->cluster = av_realloc_f(trk->cluster, sizeof(*trk->cluster), (trk->entry + MOV_INDEX_CLUSTER_SIZE));
2299 if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) {
2300 /* from x264 or from bytestream h264 */
2301 /* nal reformating needed */
2302 if(mov->frag_seq_num>0){
2306 if(ff_avc_parse_nal_units_buf(pkt->data, &buf, &size) < 0){
2307 av_log(s, AV_LOG_ERROR, "malformated H264 bitstream\n");
2310 trk->cluster[trk->entry].data= buf;
2311 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
2312 reformatted_data= av_malloc(size);
2313 memcpy(reformatted_data, buf, size);
2315 }else if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
2316 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
2318 avio_write(pb, reformatted_data, size);
2320 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
2322 } else if (enc->codec_id == CODEC_ID_AAC && pkt->size > 2 &&
2323 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
2324 av_log(s, AV_LOG_ERROR, "malformated aac bitstream, use -absf aac_adtstoasc\n");
2326 } else if (mov->frag_seq_num>0){
2327 trk->cluster[trk->entry].data = av_malloc(size);
2328 if (!trk->cluster[trk->entry].data)
2329 return AVERROR(ENOMEM);
2330 memcpy(trk->cluster[trk->entry].data, pkt->data, size);
2332 avio_write(pb, pkt->data, size);
2335 if ((enc->codec_id == CODEC_ID_DNXHD ||
2336 enc->codec_id == CODEC_ID_AC3) && !trk->vosLen) {
2337 /* copy frame to create needed atoms */
2339 trk->vosData = av_malloc(size);
2341 return AVERROR(ENOMEM);
2342 memcpy(trk->vosData, pkt->data, size);
2345 trk->cluster[trk->entry].pos = avio_tell(pb) - (mov->frag_seq_num==0 ? size : 0);
2346 trk->cluster[trk->entry].samplesInChunk = samplesInChunk;
2347 trk->cluster[trk->entry].chunkNum = 0;
2348 trk->cluster[trk->entry].size = size;
2349 trk->cluster[trk->entry].entries = samplesInChunk;
2350 trk->cluster[trk->entry].dts = pkt->dts;
2351 trk->trackDuration = pkt->dts - trk->cluster[0].dts + pkt->duration;
2353 if (pkt->pts == AV_NOPTS_VALUE) {
2354 av_log(s, AV_LOG_WARNING, "pts has no value\n");
2355 pkt->pts = pkt->dts;
2357 if (pkt->dts != pkt->pts)
2358 trk->flags |= MOV_TRACK_CTTS;
2359 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
2360 trk->cluster[trk->entry].flags = 0;
2361 if (pkt->flags & AV_PKT_FLAG_KEY) {
2362 if (mov->mode == MODE_MOV && enc->codec_id == CODEC_ID_MPEG2VIDEO &&
2363 trk->entry > 0) { // force sync sample for the first key frame
2364 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
2365 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
2366 trk->flags |= MOV_TRACK_STPS;
2368 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
2370 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
2371 trk->hasKeyframes++;
2374 trk->sampleCount += samplesInChunk;
2375 mov->mdat_size += size;
2379 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
2380 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
2381 reformatted_data, size);
2382 av_free(reformatted_data);
2386 // QuickTime chapters involve an additional text track with the chapter names
2387 // as samples, and a tref pointing from the other tracks to the chapter one.
2388 static void mov_create_chapter_track(AVFormatContext *s, int tracknum)
2390 MOVMuxContext *mov = s->priv_data;
2391 MOVTrack *track = &mov->tracks[tracknum];
2392 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
2395 track->mode = mov->mode;
2396 track->tag = MKTAG('t','e','x','t');
2397 track->timescale = MOV_TIMESCALE;
2398 track->enc = avcodec_alloc_context3(NULL);
2399 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
2401 for (i = 0; i < s->nb_chapters; i++) {
2402 AVChapter *c = s->chapters[i];
2403 AVDictionaryEntry *t;
2405 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
2406 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
2407 pkt.duration = end - pkt.dts;
2409 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
2410 len = strlen(t->value);
2412 pkt.data = av_malloc(pkt.size);
2413 AV_WB16(pkt.data, len);
2414 memcpy(pkt.data+2, t->value, len);
2415 ff_mov_write_packet(s, &pkt);
2416 av_freep(&pkt.data);
2421 static int mov_write_header(AVFormatContext *s)
2423 AVIOContext *pb = s->pb;
2424 MOVMuxContext *mov = s->priv_data;
2425 AVDictionaryEntry *t;
2426 int i, hint_track = 0;
2428 if (!s->pb->seekable) {
2429 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
2433 /* Default mode == MP4 */
2434 mov->mode = MODE_MP4;
2436 if(mov->max_fragment_duration || mov->max_fragment_size){
2440 if (s->oformat != NULL) {
2441 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
2442 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
2443 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
2444 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
2445 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
2447 mov_write_ftyp_tag(pb,s);
2448 if (mov->mode == MODE_PSP) {
2449 if (s->nb_streams != 2) {
2450 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
2453 mov_write_uuidprof_tag(pb,s);
2457 mov->nb_streams = s->nb_streams;
2458 if (mov->mode & (MODE_MOV|MODE_IPOD) && s->nb_chapters)
2459 mov->chapter_track = mov->nb_streams++;
2461 #if FF_API_FLAG_RTP_HINT
2462 if (s->flags & AVFMT_FLAG_RTP_HINT) {
2463 av_log(s, AV_LOG_WARNING, "The RTP_HINT flag is deprecated, enable it "
2464 "via the -movflags rtphint muxer option "
2466 mov->flags |= FF_MOV_FLAG_RTP_HINT;
2469 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
2470 /* Add hint tracks for each audio and video stream */
2471 hint_track = mov->nb_streams;
2472 for (i = 0; i < s->nb_streams; i++) {
2473 AVStream *st = s->streams[i];
2474 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2475 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
2481 mov->tracks = av_mallocz(mov->nb_streams*sizeof(*mov->tracks));
2483 return AVERROR(ENOMEM);
2485 for(i=0; i<s->nb_streams; i++){
2486 AVStream *st= s->streams[i];
2487 MOVTrack *track= &mov->tracks[i];
2488 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
2490 track->enc = st->codec;
2491 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
2492 if (track->language < 0)
2493 track->language = 0;
2494 track->mode = mov->mode;
2495 track->tag = mov_find_codec_tag(s, track);
2497 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
2498 "codec not currently supported in container\n", i);
2501 /* If hinting of this track is enabled by a later hint track,
2502 * this is updated. */
2503 track->hint_track = -1;
2504 if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
2505 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
2506 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
2507 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
2508 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
2509 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
2512 track->height = track->tag>>24 == 'n' ? 486 : 576;
2514 track->timescale = st->codec->time_base.den;
2515 if (track->mode == MODE_MOV && track->timescale > 100000)
2516 av_log(s, AV_LOG_WARNING,
2517 "WARNING codec timebase is very high. If duration is too long,\n"
2518 "file may not be playable by quicktime. Specify a shorter timebase\n"
2519 "or choose different container.\n");
2520 }else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
2521 track->timescale = st->codec->sample_rate;
2522 /* set sampleSize for PCM and ADPCM */
2523 if (av_get_bits_per_sample(st->codec->codec_id)) {
2524 if (!st->codec->block_align) {
2525 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set\n", i);
2528 track->sampleSize = st->codec->block_align;
2530 /* set audio_vbr for compressed audio */
2531 if (av_get_bits_per_sample(st->codec->codec_id) < 8) {
2532 if (!st->codec->frame_size) {
2533 av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
2536 track->audio_vbr = 1;
2538 if (track->mode != MODE_MOV) {
2539 if (track->timescale > UINT16_MAX) {
2540 av_log(s, AV_LOG_ERROR, "track %d: output format does not support "
2541 "sample rate %dhz\n", i, track->timescale);
2544 if (track->enc->codec_id == CODEC_ID_MP3 && track->timescale < 16000) {
2545 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
2546 i, track->enc->sample_rate);
2550 }else if(st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE){
2551 track->timescale = st->codec->time_base.den;
2554 track->height = st->codec->height;
2556 avpriv_set_pts_info(st, 64, 1, track->timescale);
2559 if(mov->reserved_moov_size){
2560 mov->reserved_moov_pos= avio_tell(pb);
2561 avio_skip(pb, mov->reserved_moov_size);
2564 mov_write_mdat_tag(pb, mov);
2566 #if FF_API_TIMESTAMP
2568 mov->time = s->timestamp;
2571 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
2572 mov->time = ff_iso8601_to_unix_time(t->value);
2574 mov->time += 0x7C25B080; // 1970 based -> 1904 based
2576 if (mov->chapter_track)
2577 mov_create_chapter_track(s, mov->chapter_track);
2579 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
2580 /* Initialize the hint tracks for each audio and video stream */
2581 for (i = 0; i < s->nb_streams; i++) {
2582 AVStream *st = s->streams[i];
2583 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2584 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
2585 ff_mov_init_hinting(s, hint_track, i);
2595 av_freep(&mov->tracks);
2599 static int update_first_fragment(AVFormatContext *s)
2601 MOVMuxContext *mov = s->priv_data;
2602 AVIOContext *pb = s->pb;
2605 int64_t moov_pos = avio_tell(pb);
2607 /* Write size of mdat tag */
2608 if (mov->mdat_size+8 <= UINT32_MAX) {
2609 avio_seek(pb, mov->mdat_pos, SEEK_SET);
2610 avio_wb32(pb, mov->mdat_size+8);
2612 /* overwrite 'wide' placeholder atom */
2613 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
2614 avio_wb32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */
2615 ffio_wfourcc(pb, "mdat");
2616 avio_wb64(pb, mov->mdat_size+16);
2618 avio_seek(pb, mov->reserved_moov_size ? mov->reserved_moov_pos : moov_pos, SEEK_SET);
2620 mov_write_moov_tag(pb, mov, s);
2621 if(mov->reserved_moov_size){
2622 int64_t size= mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_moov_pos);
2624 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
2627 avio_wb32(pb, size);
2628 ffio_wfourcc(pb, "free");
2629 for(i=0; i<size; i++)
2631 avio_seek(pb, moov_pos, SEEK_SET);
2637 static int mov_write_trailer(AVFormatContext *s)
2639 MOVMuxContext *mov = s->priv_data;
2640 AVIOContext *pb = s->pb;
2644 flush_cluster_buffer(s);
2646 if (mov->chapter_track)
2647 av_freep(&mov->tracks[mov->chapter_track].enc);
2649 for (i=0; i<mov->nb_streams; i++) {
2650 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
2651 ff_mov_close_hinting(&mov->tracks[i]);
2652 av_freep(&mov->tracks[i].cluster);
2654 if(mov->tracks[i].vosLen) av_free(mov->tracks[i].vosData);
2660 av_freep(&mov->tracks);
2665 #if CONFIG_MOV_MUXER
2667 AVOutputFormat ff_mov_muxer = {
2669 .long_name = NULL_IF_CONFIG_SMALL("MOV format"),
2670 .extensions = "mov",
2671 .priv_data_size = sizeof(MOVMuxContext),
2672 .audio_codec = CODEC_ID_AAC,
2673 #if CONFIG_LIBX264_ENCODER
2674 .video_codec = CODEC_ID_H264,
2676 .video_codec = CODEC_ID_MPEG4,
2678 .write_header = mov_write_header,
2679 .write_packet = ff_mov_write_packet,
2680 .write_trailer = mov_write_trailer,
2681 .flags = AVFMT_GLOBALHEADER,
2682 .codec_tag = (const AVCodecTag* const []){codec_movvideo_tags, codec_movaudio_tags, 0},
2683 .priv_class = &mov_muxer_class,
2686 #if CONFIG_TGP_MUXER
2688 AVOutputFormat ff_tgp_muxer = {
2690 .long_name = NULL_IF_CONFIG_SMALL("3GP format"),
2691 .extensions = "3gp",
2692 .priv_data_size = sizeof(MOVMuxContext),
2693 .audio_codec = CODEC_ID_AMR_NB,
2694 .video_codec = CODEC_ID_H263,
2695 .write_header = mov_write_header,
2696 .write_packet = ff_mov_write_packet,
2697 .write_trailer = mov_write_trailer,
2698 .flags = AVFMT_GLOBALHEADER,
2699 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
2700 .priv_class = &tgp_muxer_class,
2703 #if CONFIG_MP4_MUXER
2705 AVOutputFormat ff_mp4_muxer = {
2707 .long_name = NULL_IF_CONFIG_SMALL("MP4 format"),
2708 .mime_type = "application/mp4",
2709 .extensions = "mp4",
2710 .priv_data_size = sizeof(MOVMuxContext),
2711 .audio_codec = CODEC_ID_AAC,
2712 #if CONFIG_LIBX264_ENCODER
2713 .video_codec = CODEC_ID_H264,
2715 .video_codec = CODEC_ID_MPEG4,
2717 .write_header = mov_write_header,
2718 .write_packet = ff_mov_write_packet,
2719 .write_trailer = mov_write_trailer,
2720 .flags = AVFMT_GLOBALHEADER,
2721 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
2722 .priv_class = &mp4_muxer_class,
2725 #if CONFIG_PSP_MUXER
2727 AVOutputFormat ff_psp_muxer = {
2729 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 format"),
2730 .extensions = "mp4,psp",
2731 .priv_data_size = sizeof(MOVMuxContext),
2732 .audio_codec = CODEC_ID_AAC,
2733 #if CONFIG_LIBX264_ENCODER
2734 .video_codec = CODEC_ID_H264,
2736 .video_codec = CODEC_ID_MPEG4,
2738 .write_header = mov_write_header,
2739 .write_packet = ff_mov_write_packet,
2740 .write_trailer = mov_write_trailer,
2741 .flags = AVFMT_GLOBALHEADER,
2742 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
2743 .priv_class = &psp_muxer_class,
2746 #if CONFIG_TG2_MUXER
2748 AVOutputFormat ff_tg2_muxer = {
2750 .long_name = NULL_IF_CONFIG_SMALL("3GP2 format"),
2751 .extensions = "3g2",
2752 .priv_data_size = sizeof(MOVMuxContext),
2753 .audio_codec = CODEC_ID_AMR_NB,
2754 .video_codec = CODEC_ID_H263,
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_3gp_tags, 0},
2760 .priv_class = &tg2_muxer_class,
2763 #if CONFIG_IPOD_MUXER
2765 AVOutputFormat ff_ipod_muxer = {
2767 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"),
2768 .mime_type = "application/mp4",
2769 .extensions = "m4v,m4a",
2770 .priv_data_size = sizeof(MOVMuxContext),
2771 .audio_codec = CODEC_ID_AAC,
2772 .video_codec = CODEC_ID_H264,
2773 .write_header = mov_write_header,
2774 .write_packet = ff_mov_write_packet,
2775 .write_trailer = mov_write_trailer,
2776 .flags = AVFMT_GLOBALHEADER,
2777 .codec_tag = (const AVCodecTag* const []){codec_ipod_tags, 0},
2778 .priv_class = &ipod_muxer_class,