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_readwrite.h"
36 #include "libavutil/mathematics.h"
37 #include "libavutil/opt.h"
38 #include "libavutil/dict.h"
44 static const AVOption options[] = {
45 { "movflags", "MOV muxer flags", offsetof(MOVMuxContext, flags), AV_OPT_TYPE_FLAGS, {.dbl = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
46 { "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" },
47 { "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 },
48 FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
52 #define MOV_CLASS(flavor)\
53 static const AVClass flavor ## _muxer_class = {\
54 .class_name = #flavor " muxer",\
55 .item_name = av_default_item_name,\
57 .version = LIBAVUTIL_VERSION_INT,\
60 //FIXME support 64 bit variant with wide placeholders
61 static int64_t updateSize(AVIOContext *pb, int64_t pos)
63 int64_t curpos = avio_tell(pb);
64 avio_seek(pb, pos, SEEK_SET);
65 avio_wb32(pb, curpos - pos); /* rewrite size */
66 avio_seek(pb, curpos, SEEK_SET);
71 /* Chunk offset atom */
72 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
75 int mode64 = 0; // use 32 bit size variant if possible
76 int64_t pos = avio_tell(pb);
77 avio_wb32(pb, 0); /* size */
78 if (pos > UINT32_MAX) {
80 ffio_wfourcc(pb, "co64");
82 ffio_wfourcc(pb, "stco");
83 avio_wb32(pb, 0); /* version & flags */
84 avio_wb32(pb, track->entry); /* entry count */
85 for (i=0; i<track->entry; i++) {
87 avio_wb64(pb, track->cluster[i].pos);
89 avio_wb32(pb, track->cluster[i].pos);
91 return updateSize(pb, pos);
94 /* Sample size atom */
95 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
98 int i, j, entries = 0, tst = -1, oldtst = -1;
100 int64_t pos = avio_tell(pb);
101 avio_wb32(pb, 0); /* size */
102 ffio_wfourcc(pb, "stsz");
103 avio_wb32(pb, 0); /* version & flags */
105 for (i=0; i<track->entry; i++) {
106 tst = track->cluster[i].size/track->cluster[i].entries;
107 if(oldtst != -1 && tst != oldtst) {
111 entries += track->cluster[i].entries;
114 int sSize = track->cluster[0].size/track->cluster[0].entries;
115 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
116 avio_wb32(pb, sSize); // sample size
117 avio_wb32(pb, entries); // sample count
120 avio_wb32(pb, 0); // sample size
121 avio_wb32(pb, entries); // sample count
122 for (i=0; i<track->entry; i++) {
123 for (j=0; j<track->cluster[i].entries; j++) {
124 avio_wb32(pb, track->cluster[i].size /
125 track->cluster[i].entries);
129 return updateSize(pb, pos);
132 /* Sample to chunk atom */
133 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
135 int index = 0, oldval = -1, i;
136 int64_t entryPos, curpos;
138 int64_t pos = avio_tell(pb);
139 avio_wb32(pb, 0); /* size */
140 ffio_wfourcc(pb, "stsc");
141 avio_wb32(pb, 0); // version & flags
142 entryPos = avio_tell(pb);
143 avio_wb32(pb, track->entry); // entry count
144 for (i=0; i<track->entry; i++) {
145 if(oldval != track->cluster[i].samplesInChunk)
147 avio_wb32(pb, i+1); // first chunk
148 avio_wb32(pb, track->cluster[i].samplesInChunk); // samples per chunk
149 avio_wb32(pb, 0x1); // sample description index
150 oldval = track->cluster[i].samplesInChunk;
154 curpos = avio_tell(pb);
155 avio_seek(pb, entryPos, SEEK_SET);
156 avio_wb32(pb, index); // rewrite size
157 avio_seek(pb, curpos, SEEK_SET);
159 return updateSize(pb, pos);
162 /* Sync sample atom */
163 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
165 int64_t curpos, entryPos;
167 int64_t pos = avio_tell(pb);
168 avio_wb32(pb, 0); // size
169 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
170 avio_wb32(pb, 0); // version & flags
171 entryPos = avio_tell(pb);
172 avio_wb32(pb, track->entry); // entry count
173 for (i=0; i<track->entry; i++) {
174 if (track->cluster[i].flags & flag) {
179 curpos = avio_tell(pb);
180 avio_seek(pb, entryPos, SEEK_SET);
181 avio_wb32(pb, index); // rewrite size
182 avio_seek(pb, curpos, SEEK_SET);
183 return updateSize(pb, pos);
186 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
188 avio_wb32(pb, 0x11); /* size */
189 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
190 else ffio_wfourcc(pb, "damr");
191 ffio_wfourcc(pb, "FFMP");
192 avio_w8(pb, 0); /* decoder version */
194 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
195 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
196 avio_w8(pb, 0x01); /* Frames per sample */
200 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
205 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
207 if (track->vosLen < 7)
211 ffio_wfourcc(pb, "dac3");
213 init_get_bits(&gbc, track->vosData+4, (track->vosLen-4) * 8);
214 fscod = get_bits(&gbc, 2);
215 frmsizecod = get_bits(&gbc, 6);
216 bsid = get_bits(&gbc, 5);
217 bsmod = get_bits(&gbc, 3);
218 acmod = get_bits(&gbc, 3);
220 skip_bits(&gbc, 2); // dsurmod
222 if ((acmod & 1) && acmod != 1)
223 skip_bits(&gbc, 2); // cmixlev
225 skip_bits(&gbc, 2); // surmixlev
227 lfeon = get_bits1(&gbc);
229 init_put_bits(&pbc, buf, sizeof(buf));
230 put_bits(&pbc, 2, fscod);
231 put_bits(&pbc, 5, bsid);
232 put_bits(&pbc, 3, bsmod);
233 put_bits(&pbc, 3, acmod);
234 put_bits(&pbc, 1, lfeon);
235 put_bits(&pbc, 5, frmsizecod>>1); // bit_rate_code
236 put_bits(&pbc, 5, 0); // reserved
238 flush_put_bits(&pbc);
239 avio_write(pb, buf, sizeof(buf));
245 * This function writes extradata "as is".
246 * Extradata must be formated like a valid atom (with size and tag)
248 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
250 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
251 return track->enc->extradata_size;
254 static int mov_write_enda_tag(AVIOContext *pb)
257 ffio_wfourcc(pb, "enda");
258 avio_wb16(pb, 1); /* little endian */
262 static void putDescr(AVIOContext *pb, int tag, unsigned int size)
267 avio_w8(pb, (size>>(7*i)) | 0x80);
268 avio_w8(pb, size & 0x7F);
271 static unsigned compute_avg_bitrate(MOVTrack *track)
275 for (i = 0; i < track->entry; i++)
276 size += track->cluster[i].size;
277 return size * 8 * track->timescale / track->trackDuration;
280 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
282 int64_t pos = avio_tell(pb);
283 int decoderSpecificInfoLen = track->vosLen ? 5+track->vosLen : 0;
284 unsigned avg_bitrate;
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 avg_bitrate = compute_avg_bitrate(track);
317 // maxbitrate (FIXME should be max rate in any 1 sec window)
318 avio_wb32(pb, FFMAX3(track->enc->bit_rate, track->enc->rc_max_rate, avg_bitrate));
319 avio_wb32(pb, avg_bitrate);
322 // DecoderSpecific info descriptor
323 putDescr(pb, 0x05, track->vosLen);
324 avio_write(pb, track->vosData, track->vosLen);
328 putDescr(pb, 0x06, 1);
330 return updateSize(pb, pos);
333 static int mov_pcm_le_gt16(enum CodecID codec_id)
335 return codec_id == CODEC_ID_PCM_S24LE ||
336 codec_id == CODEC_ID_PCM_S32LE ||
337 codec_id == CODEC_ID_PCM_F32LE ||
338 codec_id == CODEC_ID_PCM_F64LE;
341 static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
343 int64_t pos = avio_tell(pb);
345 avio_wl32(pb, track->tag); // store it byteswapped
346 track->enc->codec_tag = av_bswap16(track->tag >> 16);
347 ff_put_wav_header(pb, track->enc);
348 return updateSize(pb, pos);
351 static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
353 int64_t pos = avio_tell(pb);
355 avio_wb32(pb, 0); /* size */
356 ffio_wfourcc(pb, "wave");
358 avio_wb32(pb, 12); /* size */
359 ffio_wfourcc(pb, "frma");
360 avio_wl32(pb, track->tag);
362 if (track->enc->codec_id == CODEC_ID_AAC) {
363 /* useless atom needed by mplayer, ipod, not needed by quicktime */
364 avio_wb32(pb, 12); /* size */
365 ffio_wfourcc(pb, "mp4a");
367 mov_write_esds_tag(pb, track);
368 } else if (mov_pcm_le_gt16(track->enc->codec_id)) {
369 mov_write_enda_tag(pb);
370 } else if (track->enc->codec_id == CODEC_ID_AMR_NB) {
371 mov_write_amr_tag(pb, track);
372 } else if (track->enc->codec_id == CODEC_ID_AC3) {
373 mov_write_ac3_tag(pb, track);
374 } else if (track->enc->codec_id == CODEC_ID_ALAC) {
375 mov_write_extradata_tag(pb, track);
376 } else if (track->enc->codec_id == CODEC_ID_ADPCM_MS ||
377 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
378 mov_write_ms_tag(pb, track);
381 avio_wb32(pb, 8); /* size */
382 avio_wb32(pb, 0); /* null tag */
384 return updateSize(pb, pos);
387 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
389 avio_wb32(pb, track->vosLen+8);
390 ffio_wfourcc(pb, "glbl");
391 avio_write(pb, track->vosData, track->vosLen);
392 return 8+track->vosLen;
396 * Compute flags for 'lpcm' tag.
397 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
399 static int mov_get_lpcm_flags(enum CodecID codec_id)
402 case CODEC_ID_PCM_F32BE:
403 case CODEC_ID_PCM_F64BE:
405 case CODEC_ID_PCM_F32LE:
406 case CODEC_ID_PCM_F64LE:
408 case CODEC_ID_PCM_U8:
410 case CODEC_ID_PCM_S16BE:
411 case CODEC_ID_PCM_S24BE:
412 case CODEC_ID_PCM_S32BE:
414 case CODEC_ID_PCM_S8:
415 case CODEC_ID_PCM_S16LE:
416 case CODEC_ID_PCM_S24LE:
417 case CODEC_ID_PCM_S32LE:
424 static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
426 int64_t pos = avio_tell(pb);
428 uint32_t tag = track->tag;
430 if (track->mode == MODE_MOV) {
431 if (track->timescale > UINT16_MAX) {
432 if (mov_get_lpcm_flags(track->enc->codec_id))
433 tag = AV_RL32("lpcm");
435 } else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id) ||
436 track->enc->codec_id == CODEC_ID_ADPCM_MS ||
437 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
442 avio_wb32(pb, 0); /* size */
443 avio_wl32(pb, tag); // store it byteswapped
444 avio_wb32(pb, 0); /* Reserved */
445 avio_wb16(pb, 0); /* Reserved */
446 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
448 /* SoundDescription */
449 avio_wb16(pb, version); /* Version */
450 avio_wb16(pb, 0); /* Revision level */
451 avio_wb32(pb, 0); /* Reserved */
456 avio_wb16(pb, 0xfffe);
458 avio_wb32(pb, 0x00010000);
460 avio_wb64(pb, av_dbl2int(track->timescale));
461 avio_wb32(pb, track->enc->channels);
462 avio_wb32(pb, 0x7F000000);
463 avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
464 avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
465 avio_wb32(pb, track->sampleSize);
466 avio_wb32(pb, track->enc->frame_size);
468 if (track->mode == MODE_MOV) {
469 avio_wb16(pb, track->enc->channels);
470 if (track->enc->codec_id == CODEC_ID_PCM_U8 ||
471 track->enc->codec_id == CODEC_ID_PCM_S8)
472 avio_wb16(pb, 8); /* bits per sample */
475 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
476 } else { /* reserved for mp4/3gp */
482 avio_wb16(pb, 0); /* packet size (= 0) */
483 avio_wb16(pb, track->timescale); /* Time scale */
484 avio_wb16(pb, 0); /* Reserved */
487 if(version == 1) { /* SoundDescription V1 extended info */
488 avio_wb32(pb, track->enc->frame_size); /* Samples per packet */
489 avio_wb32(pb, track->sampleSize / track->enc->channels); /* Bytes per packet */
490 avio_wb32(pb, track->sampleSize); /* Bytes per frame */
491 avio_wb32(pb, 2); /* Bytes per sample */
494 if(track->mode == MODE_MOV &&
495 (track->enc->codec_id == CODEC_ID_AAC ||
496 track->enc->codec_id == CODEC_ID_AC3 ||
497 track->enc->codec_id == CODEC_ID_AMR_NB ||
498 track->enc->codec_id == CODEC_ID_ALAC ||
499 track->enc->codec_id == CODEC_ID_ADPCM_MS ||
500 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV ||
501 mov_pcm_le_gt16(track->enc->codec_id)))
502 mov_write_wave_tag(pb, track);
503 else if(track->tag == MKTAG('m','p','4','a'))
504 mov_write_esds_tag(pb, track);
505 else if(track->enc->codec_id == CODEC_ID_AMR_NB)
506 mov_write_amr_tag(pb, track);
507 else if(track->enc->codec_id == CODEC_ID_AC3)
508 mov_write_ac3_tag(pb, track);
509 else if(track->enc->codec_id == CODEC_ID_ALAC)
510 mov_write_extradata_tag(pb, track);
511 else if(track->vosLen > 0)
512 mov_write_glbl_tag(pb, track);
514 return updateSize(pb, pos);
517 static int mov_write_d263_tag(AVIOContext *pb)
519 avio_wb32(pb, 0xf); /* size */
520 ffio_wfourcc(pb, "d263");
521 ffio_wfourcc(pb, "FFMP");
522 avio_w8(pb, 0); /* decoder version */
523 /* FIXME use AVCodecContext level/profile, when encoder will set values */
524 avio_w8(pb, 0xa); /* level */
525 avio_w8(pb, 0); /* profile */
529 /* TODO: No idea about these values */
530 static int mov_write_svq3_tag(AVIOContext *pb)
533 ffio_wfourcc(pb, "SMI ");
534 ffio_wfourcc(pb, "SEQH");
536 avio_wb32(pb, 0xe2c0211d);
537 avio_wb32(pb, 0xc0000000);
542 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
544 int64_t pos = avio_tell(pb);
547 ffio_wfourcc(pb, "avcC");
548 ff_isom_write_avcc(pb, track->vosData, track->vosLen);
549 return updateSize(pb, pos);
552 /* also used by all avid codecs (dv, imx, meridien) and their variants */
553 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
556 avio_wb32(pb, 24); /* size */
557 ffio_wfourcc(pb, "ACLR");
558 ffio_wfourcc(pb, "ACLR");
559 ffio_wfourcc(pb, "0001");
560 avio_wb32(pb, 2); /* yuv range: full 1 / normal 2 */
561 avio_wb32(pb, 0); /* unknown */
563 avio_wb32(pb, 24); /* size */
564 ffio_wfourcc(pb, "APRG");
565 ffio_wfourcc(pb, "APRG");
566 ffio_wfourcc(pb, "0001");
567 avio_wb32(pb, 1); /* unknown */
568 avio_wb32(pb, 0); /* unknown */
570 avio_wb32(pb, 120); /* size */
571 ffio_wfourcc(pb, "ARES");
572 ffio_wfourcc(pb, "ARES");
573 ffio_wfourcc(pb, "0001");
574 avio_wb32(pb, AV_RB32(track->vosData + 0x28)); /* dnxhd cid, some id ? */
575 avio_wb32(pb, track->enc->width);
576 /* values below are based on samples created with quicktime and avid codecs */
577 if (track->vosData[5] & 2) { // interlaced
578 avio_wb32(pb, track->enc->height/2);
579 avio_wb32(pb, 2); /* unknown */
580 avio_wb32(pb, 0); /* unknown */
581 avio_wb32(pb, 4); /* unknown */
583 avio_wb32(pb, track->enc->height);
584 avio_wb32(pb, 1); /* unknown */
585 avio_wb32(pb, 0); /* unknown */
586 if (track->enc->height == 1080)
587 avio_wb32(pb, 5); /* unknown */
589 avio_wb32(pb, 6); /* unknown */
592 for (i = 0; i < 10; i++)
595 /* extra padding for stsd needed */
600 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
602 int tag = track->enc->codec_tag;
604 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
607 if (track->enc->codec_id == CODEC_ID_H264) tag = MKTAG('a','v','c','1');
608 else if (track->enc->codec_id == CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
609 else if (track->enc->codec_id == CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
610 else if (track->enc->codec_id == CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
611 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
612 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
617 static const AVCodecTag codec_ipod_tags[] = {
618 { CODEC_ID_H264, MKTAG('a','v','c','1') },
619 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
620 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
621 { CODEC_ID_ALAC, MKTAG('a','l','a','c') },
622 { CODEC_ID_AC3, MKTAG('a','c','-','3') },
623 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
624 { CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
625 { CODEC_ID_NONE, 0 },
628 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
630 int tag = track->enc->codec_tag;
632 // keep original tag for subs, ipod supports both formats
633 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
634 (tag == MKTAG('t','x','3','g') ||
635 tag == MKTAG('t','e','x','t'))))
636 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
638 if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v"))
639 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
640 "Quicktime/Ipod might not play the file\n");
645 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
649 if (track->enc->width == 720) /* SD */
650 if (track->enc->height == 480) /* NTSC */
651 if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
652 else tag = MKTAG('d','v','c',' ');
653 else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
654 else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
655 else tag = MKTAG('d','v','p','p');
656 else if (track->enc->height == 720) /* HD 720 line */
657 if (track->enc->time_base.den == 50) tag = MKTAG('d','v','h','q');
658 else tag = MKTAG('d','v','h','p');
659 else if (track->enc->height == 1080) /* HD 1080 line */
660 if (track->enc->time_base.den == 25) tag = MKTAG('d','v','h','5');
661 else tag = MKTAG('d','v','h','6');
663 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
670 static const struct {
671 enum PixelFormat pix_fmt;
674 } mov_pix_fmt_tags[] = {
675 { PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
676 { PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
677 { PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
678 { PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
679 { PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
680 { PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
681 { PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
682 { PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
683 { PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
684 { PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
685 { PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
686 { PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
687 { PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
688 { PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
691 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
693 int tag = track->enc->codec_tag;
696 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
697 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
698 tag = mov_pix_fmt_tags[i].tag;
699 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
707 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
709 int tag = track->enc->codec_tag;
711 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
712 (track->enc->codec_id == CODEC_ID_DVVIDEO ||
713 track->enc->codec_id == CODEC_ID_RAWVIDEO ||
714 track->enc->codec_id == CODEC_ID_H263 ||
715 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
716 if (track->enc->codec_id == CODEC_ID_DVVIDEO)
717 tag = mov_get_dv_codec_tag(s, track);
718 else if (track->enc->codec_id == CODEC_ID_RAWVIDEO)
719 tag = mov_get_rawvideo_codec_tag(s, track);
720 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
721 tag = ff_codec_get_tag(codec_movvideo_tags, track->enc->codec_id);
722 if (!tag) { // if no mac fcc found, try with Microsoft tags
723 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
725 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
726 "the file may be unplayable!\n");
728 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
729 tag = ff_codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
730 if (!tag) { // if no mac fcc found, try with Microsoft tags
731 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
733 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
734 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
735 "the file may be unplayable!\n");
738 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
739 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
745 static const AVCodecTag codec_3gp_tags[] = {
746 { CODEC_ID_H263, MKTAG('s','2','6','3') },
747 { CODEC_ID_H264, MKTAG('a','v','c','1') },
748 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
749 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
750 { CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
751 { CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
752 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
753 { CODEC_ID_NONE, 0 },
756 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
758 int tag = track->enc->codec_tag;
760 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
761 tag = mp4_get_codec_tag(s, track);
762 else if (track->mode == MODE_IPOD)
763 tag = ipod_get_codec_tag(s, track);
764 else if (track->mode & MODE_3GP)
765 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
767 tag = mov_get_codec_tag(s, track);
773 * Needed to make file play in iPods running newest firmware
774 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
776 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
779 ffio_wfourcc(pb, "uuid");
780 avio_wb32(pb, 0x6b6840f2);
781 avio_wb32(pb, 0x5f244fc5);
782 avio_wb32(pb, 0xba39a51b);
783 avio_wb32(pb, 0xcf0323f3);
788 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
790 int64_t pos = avio_tell(pb);
791 avio_wb32(pb, 0); /* size */
792 avio_wl32(pb, track->tag); // store it byteswapped
793 avio_wb32(pb, 0); /* Reserved */
794 avio_wb16(pb, 0); /* Reserved */
795 avio_wb16(pb, 1); /* Data-reference index */
797 if (track->enc->extradata_size)
798 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
800 return updateSize(pb, pos);
803 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
806 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
807 track->enc->sample_aspect_ratio.den, INT_MAX);
810 ffio_wfourcc(pb, "pasp");
811 avio_wb32(pb, sar.num);
812 avio_wb32(pb, sar.den);
816 static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
818 int64_t pos = avio_tell(pb);
819 char compressor_name[32];
821 avio_wb32(pb, 0); /* size */
822 avio_wl32(pb, track->tag); // store it byteswapped
823 avio_wb32(pb, 0); /* Reserved */
824 avio_wb16(pb, 0); /* Reserved */
825 avio_wb16(pb, 1); /* Data-reference index */
827 avio_wb16(pb, 0); /* Codec stream version */
828 avio_wb16(pb, 0); /* Codec stream revision (=0) */
829 if (track->mode == MODE_MOV) {
830 ffio_wfourcc(pb, "FFMP"); /* Vendor */
831 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
832 avio_wb32(pb, 0); /* Temporal Quality */
833 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
835 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
836 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
839 avio_wb32(pb, 0); /* Reserved */
840 avio_wb32(pb, 0); /* Reserved */
841 avio_wb32(pb, 0); /* Reserved */
843 avio_wb16(pb, track->enc->width); /* Video width */
844 avio_wb16(pb, track->height); /* Video height */
845 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
846 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
847 avio_wb32(pb, 0); /* Data size (= 0) */
848 avio_wb16(pb, 1); /* Frame count (= 1) */
850 memset(compressor_name,0,32);
851 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
852 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
853 av_strlcpy(compressor_name,track->enc->codec->name,32);
854 avio_w8(pb, strlen(compressor_name));
855 avio_write(pb, compressor_name, 31);
857 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
858 avio_wb16(pb, track->enc->bits_per_coded_sample);
860 avio_wb16(pb, 0x18); /* Reserved */
861 avio_wb16(pb, 0xffff); /* Reserved */
862 if(track->tag == MKTAG('m','p','4','v'))
863 mov_write_esds_tag(pb, track);
864 else if(track->enc->codec_id == CODEC_ID_H263)
865 mov_write_d263_tag(pb);
866 else if(track->enc->codec_id == CODEC_ID_SVQ3)
867 mov_write_svq3_tag(pb);
868 else if(track->enc->codec_id == CODEC_ID_DNXHD)
869 mov_write_avid_tag(pb, track);
870 else if(track->enc->codec_id == CODEC_ID_H264) {
871 mov_write_avcc_tag(pb, track);
872 if(track->mode == MODE_IPOD)
873 mov_write_uuid_tag_ipod(pb);
874 } else if(track->vosLen > 0)
875 mov_write_glbl_tag(pb, track);
877 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
878 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
879 mov_write_pasp_tag(pb, track);
882 return updateSize(pb, pos);
885 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
887 int64_t pos = avio_tell(pb);
888 avio_wb32(pb, 0); /* size */
889 ffio_wfourcc(pb, "rtp ");
890 avio_wb32(pb, 0); /* Reserved */
891 avio_wb16(pb, 0); /* Reserved */
892 avio_wb16(pb, 1); /* Data-reference index */
894 avio_wb16(pb, 1); /* Hint track version */
895 avio_wb16(pb, 1); /* Highest compatible version */
896 avio_wb32(pb, track->max_packet_size); /* Max packet size */
898 avio_wb32(pb, 12); /* size */
899 ffio_wfourcc(pb, "tims");
900 avio_wb32(pb, track->timescale);
902 return updateSize(pb, pos);
905 static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
907 int64_t pos = avio_tell(pb);
908 avio_wb32(pb, 0); /* size */
909 ffio_wfourcc(pb, "stsd");
910 avio_wb32(pb, 0); /* version & flags */
911 avio_wb32(pb, 1); /* entry count */
912 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
913 mov_write_video_tag(pb, track);
914 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
915 mov_write_audio_tag(pb, track);
916 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
917 mov_write_subtitle_tag(pb, track);
918 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
919 mov_write_rtp_tag(pb, track);
920 return updateSize(pb, pos);
923 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
925 MOVStts *ctts_entries;
926 uint32_t entries = 0;
930 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
931 ctts_entries[0].count = 1;
932 ctts_entries[0].duration = track->cluster[0].cts;
933 for (i=1; i<track->entry; i++) {
934 if (track->cluster[i].cts == ctts_entries[entries].duration) {
935 ctts_entries[entries].count++; /* compress */
938 ctts_entries[entries].duration = track->cluster[i].cts;
939 ctts_entries[entries].count = 1;
942 entries++; /* last one */
943 atom_size = 16 + (entries * 8);
944 avio_wb32(pb, atom_size); /* size */
945 ffio_wfourcc(pb, "ctts");
946 avio_wb32(pb, 0); /* version & flags */
947 avio_wb32(pb, entries); /* entry count */
948 for (i=0; i<entries; i++) {
949 avio_wb32(pb, ctts_entries[i].count);
950 avio_wb32(pb, ctts_entries[i].duration);
952 av_free(ctts_entries);
956 /* Time to sample atom */
957 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
959 MOVStts *stts_entries;
960 uint32_t entries = -1;
964 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
965 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
966 stts_entries[0].count = track->sampleCount;
967 stts_entries[0].duration = 1;
970 stts_entries = av_malloc(track->entry * sizeof(*stts_entries)); /* worst case */
971 for (i=0; i<track->entry; i++) {
972 int64_t duration = i + 1 == track->entry ?
973 track->trackDuration - track->cluster[i].dts + track->cluster[0].dts : /* readjusting */
974 track->cluster[i+1].dts - track->cluster[i].dts;
975 if (i && duration == stts_entries[entries].duration) {
976 stts_entries[entries].count++; /* compress */
979 stts_entries[entries].duration = duration;
980 stts_entries[entries].count = 1;
983 entries++; /* last one */
985 atom_size = 16 + (entries * 8);
986 avio_wb32(pb, atom_size); /* size */
987 ffio_wfourcc(pb, "stts");
988 avio_wb32(pb, 0); /* version & flags */
989 avio_wb32(pb, entries); /* entry count */
990 for (i=0; i<entries; i++) {
991 avio_wb32(pb, stts_entries[i].count);
992 avio_wb32(pb, stts_entries[i].duration);
994 av_free(stts_entries);
998 static int mov_write_dref_tag(AVIOContext *pb)
1000 avio_wb32(pb, 28); /* size */
1001 ffio_wfourcc(pb, "dref");
1002 avio_wb32(pb, 0); /* version & flags */
1003 avio_wb32(pb, 1); /* entry count */
1005 avio_wb32(pb, 0xc); /* size */
1006 ffio_wfourcc(pb, "url ");
1007 avio_wb32(pb, 1); /* version & flags */
1012 static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
1014 int64_t pos = avio_tell(pb);
1015 avio_wb32(pb, 0); /* size */
1016 ffio_wfourcc(pb, "stbl");
1017 mov_write_stsd_tag(pb, track);
1018 mov_write_stts_tag(pb, track);
1019 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1020 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
1021 track->hasKeyframes && track->hasKeyframes < track->entry)
1022 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1023 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1024 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
1025 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1026 track->flags & MOV_TRACK_CTTS)
1027 mov_write_ctts_tag(pb, track);
1028 mov_write_stsc_tag(pb, track);
1029 mov_write_stsz_tag(pb, track);
1030 mov_write_stco_tag(pb, track);
1031 return updateSize(pb, pos);
1034 static int mov_write_dinf_tag(AVIOContext *pb)
1036 int64_t pos = avio_tell(pb);
1037 avio_wb32(pb, 0); /* size */
1038 ffio_wfourcc(pb, "dinf");
1039 mov_write_dref_tag(pb);
1040 return updateSize(pb, pos);
1043 static int mov_write_nmhd_tag(AVIOContext *pb)
1046 ffio_wfourcc(pb, "nmhd");
1051 static int mov_write_gmhd_tag(AVIOContext *pb)
1053 avio_wb32(pb, 0x20); /* size */
1054 ffio_wfourcc(pb, "gmhd");
1055 avio_wb32(pb, 0x18); /* gmin size */
1056 ffio_wfourcc(pb, "gmin");/* generic media info */
1057 avio_wb32(pb, 0); /* version & flags */
1058 avio_wb16(pb, 0x40); /* graphics mode = */
1059 avio_wb16(pb, 0x8000); /* opColor (r?) */
1060 avio_wb16(pb, 0x8000); /* opColor (g?) */
1061 avio_wb16(pb, 0x8000); /* opColor (b?) */
1062 avio_wb16(pb, 0); /* balance */
1063 avio_wb16(pb, 0); /* reserved */
1067 static int mov_write_smhd_tag(AVIOContext *pb)
1069 avio_wb32(pb, 16); /* size */
1070 ffio_wfourcc(pb, "smhd");
1071 avio_wb32(pb, 0); /* version & flags */
1072 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1073 avio_wb16(pb, 0); /* reserved */
1077 static int mov_write_vmhd_tag(AVIOContext *pb)
1079 avio_wb32(pb, 0x14); /* size (always 0x14) */
1080 ffio_wfourcc(pb, "vmhd");
1081 avio_wb32(pb, 0x01); /* version & flags */
1082 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
1086 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
1088 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1089 int64_t pos = avio_tell(pb);
1091 if (!track) { /* no media --> data handler */
1094 descr = "DataHandler";
1096 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1097 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1099 descr = "VideoHandler";
1100 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1102 descr = "SoundHandler";
1103 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1104 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
1105 else hdlr_type = "text";
1106 descr = "SubtitleHandler";
1107 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1109 descr = "HintHandler";
1113 avio_wb32(pb, 0); /* size */
1114 ffio_wfourcc(pb, "hdlr");
1115 avio_wb32(pb, 0); /* Version & flags */
1116 avio_write(pb, hdlr, 4); /* handler */
1117 ffio_wfourcc(pb, hdlr_type); /* handler type */
1118 avio_wb32(pb ,0); /* reserved */
1119 avio_wb32(pb ,0); /* reserved */
1120 avio_wb32(pb ,0); /* reserved */
1121 if (!track || track->mode == MODE_MOV)
1122 avio_w8(pb, strlen(descr)); /* pascal string */
1123 avio_write(pb, descr, strlen(descr)); /* handler description */
1124 if (track && track->mode != MODE_MOV)
1125 avio_w8(pb, 0); /* c string */
1126 return updateSize(pb, pos);
1129 static int mov_write_hmhd_tag(AVIOContext *pb)
1131 /* This atom must be present, but leaving the values at zero
1132 * seems harmless. */
1133 avio_wb32(pb, 28); /* size */
1134 ffio_wfourcc(pb, "hmhd");
1135 avio_wb32(pb, 0); /* version, flags */
1136 avio_wb16(pb, 0); /* maxPDUsize */
1137 avio_wb16(pb, 0); /* avgPDUsize */
1138 avio_wb32(pb, 0); /* maxbitrate */
1139 avio_wb32(pb, 0); /* avgbitrate */
1140 avio_wb32(pb, 0); /* reserved */
1144 static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
1146 int64_t pos = avio_tell(pb);
1147 avio_wb32(pb, 0); /* size */
1148 ffio_wfourcc(pb, "minf");
1149 if(track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1150 mov_write_vmhd_tag(pb);
1151 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1152 mov_write_smhd_tag(pb);
1153 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1154 if (track->tag == MKTAG('t','e','x','t')) mov_write_gmhd_tag(pb);
1155 else mov_write_nmhd_tag(pb);
1156 } else if (track->tag == MKTAG('r','t','p',' ')) {
1157 mov_write_hmhd_tag(pb);
1159 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1160 mov_write_hdlr_tag(pb, NULL);
1161 mov_write_dinf_tag(pb);
1162 mov_write_stbl_tag(pb, track);
1163 return updateSize(pb, pos);
1166 static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track)
1168 int version = track->trackDuration < INT32_MAX ? 0 : 1;
1170 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
1171 ffio_wfourcc(pb, "mdhd");
1172 avio_w8(pb, version);
1173 avio_wb24(pb, 0); /* flags */
1175 avio_wb64(pb, track->time);
1176 avio_wb64(pb, track->time);
1178 avio_wb32(pb, track->time); /* creation time */
1179 avio_wb32(pb, track->time); /* modification time */
1181 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
1182 (version == 1) ? avio_wb64(pb, track->trackDuration) : avio_wb32(pb, track->trackDuration); /* duration */
1183 avio_wb16(pb, track->language); /* language */
1184 avio_wb16(pb, 0); /* reserved (quality) */
1186 if(version!=0 && track->mode == MODE_MOV){
1187 av_log(NULL, AV_LOG_ERROR,
1188 "FATAL error, file duration too long for timebase, this file will not be\n"
1189 "playable with quicktime. Choose a different timebase or a different\n"
1190 "container format\n");
1196 static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track)
1198 int64_t pos = avio_tell(pb);
1199 avio_wb32(pb, 0); /* size */
1200 ffio_wfourcc(pb, "mdia");
1201 mov_write_mdhd_tag(pb, track);
1202 mov_write_hdlr_tag(pb, track);
1203 mov_write_minf_tag(pb, track);
1204 return updateSize(pb, pos);
1207 static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1209 int64_t duration = av_rescale_rnd(track->trackDuration, MOV_TIMESCALE,
1210 track->timescale, AV_ROUND_UP);
1211 int version = duration < INT32_MAX ? 0 : 1;
1213 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
1214 ffio_wfourcc(pb, "tkhd");
1215 avio_w8(pb, version);
1216 avio_wb24(pb, 0xf); /* flags (track enabled) */
1218 avio_wb64(pb, track->time);
1219 avio_wb64(pb, track->time);
1221 avio_wb32(pb, track->time); /* creation time */
1222 avio_wb32(pb, track->time); /* modification time */
1224 avio_wb32(pb, track->trackID); /* track-id */
1225 avio_wb32(pb, 0); /* reserved */
1226 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
1228 avio_wb32(pb, 0); /* reserved */
1229 avio_wb32(pb, 0); /* reserved */
1230 avio_wb16(pb, 0); /* layer */
1231 avio_wb16(pb, st ? st->codec->codec_type : 0); /* alternate group) */
1232 /* Volume, only for audio */
1233 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1234 avio_wb16(pb, 0x0100);
1237 avio_wb16(pb, 0); /* reserved */
1239 /* Matrix structure */
1240 avio_wb32(pb, 0x00010000); /* reserved */
1241 avio_wb32(pb, 0x0); /* reserved */
1242 avio_wb32(pb, 0x0); /* reserved */
1243 avio_wb32(pb, 0x0); /* reserved */
1244 avio_wb32(pb, 0x00010000); /* reserved */
1245 avio_wb32(pb, 0x0); /* reserved */
1246 avio_wb32(pb, 0x0); /* reserved */
1247 avio_wb32(pb, 0x0); /* reserved */
1248 avio_wb32(pb, 0x40000000); /* reserved */
1250 /* Track width and height, for visual only */
1251 if(st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1252 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
1253 if(track->mode == MODE_MOV) {
1254 avio_wb32(pb, track->enc->width << 16);
1255 avio_wb32(pb, track->height << 16);
1257 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1258 if(!sample_aspect_ratio || track->height != track->enc->height)
1259 sample_aspect_ratio = 1;
1260 avio_wb32(pb, sample_aspect_ratio * track->enc->width*0x10000);
1261 avio_wb32(pb, track->height*0x10000);
1271 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
1273 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
1274 track->enc->sample_aspect_ratio.den);
1276 int64_t pos = avio_tell(pb);
1278 avio_wb32(pb, 0); /* size */
1279 ffio_wfourcc(pb, "tapt");
1282 ffio_wfourcc(pb, "clef");
1284 avio_wb32(pb, width << 16);
1285 avio_wb32(pb, track->enc->height << 16);
1288 ffio_wfourcc(pb, "enof");
1290 avio_wb32(pb, track->enc->width << 16);
1291 avio_wb32(pb, track->enc->height << 16);
1293 return updateSize(pb, pos);
1296 // This box seems important for the psp playback ... without it the movie seems to hang
1297 static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track)
1299 int64_t duration = av_rescale_rnd(track->trackDuration, MOV_TIMESCALE,
1300 track->timescale, AV_ROUND_UP);
1301 int version = duration < INT32_MAX ? 0 : 1;
1302 int entry_size, entry_count, size;
1303 int64_t delay, start_ct = track->cluster[0].cts;
1304 delay = av_rescale_rnd(track->cluster[0].dts + start_ct, MOV_TIMESCALE,
1305 track->timescale, AV_ROUND_DOWN);
1306 version |= delay < INT32_MAX ? 0 : 1;
1308 entry_size = (version == 1) ? 20 : 12;
1309 entry_count = 1 + (delay > 0);
1310 size = 24 + entry_count * entry_size;
1312 /* write the atom data */
1313 avio_wb32(pb, size);
1314 ffio_wfourcc(pb, "edts");
1315 avio_wb32(pb, size - 8);
1316 ffio_wfourcc(pb, "elst");
1317 avio_w8(pb, version);
1318 avio_wb24(pb, 0); /* flags */
1320 avio_wb32(pb, entry_count);
1321 if (delay > 0) { /* add an empty edit to delay presentation */
1323 avio_wb64(pb, delay);
1326 avio_wb32(pb, delay);
1329 avio_wb32(pb, 0x00010000);
1334 avio_wb64(pb, duration);
1335 avio_wb64(pb, start_ct);
1337 avio_wb32(pb, duration);
1338 avio_wb32(pb, start_ct);
1340 avio_wb32(pb, 0x00010000);
1344 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
1346 avio_wb32(pb, 20); // size
1347 ffio_wfourcc(pb, "tref");
1348 avio_wb32(pb, 12); // size (subatom)
1349 avio_wl32(pb, track->tref_tag);
1350 avio_wb32(pb, track->tref_id);
1354 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1355 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
1357 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1358 ffio_wfourcc(pb, "uuid");
1359 ffio_wfourcc(pb, "USMT");
1360 avio_wb32(pb, 0x21d24fce);
1361 avio_wb32(pb, 0xbb88695c);
1362 avio_wb32(pb, 0xfac9c740);
1363 avio_wb32(pb, 0x1c); // another size here!
1364 ffio_wfourcc(pb, "MTDT");
1365 avio_wb32(pb, 0x00010012);
1366 avio_wb32(pb, 0x0a);
1367 avio_wb32(pb, 0x55c40000);
1373 static int mov_write_udta_sdp(AVIOContext *pb, AVFormatContext *ctx, int index)
1375 char buf[1000] = "";
1378 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0]->codec, NULL, NULL, 0, 0, ctx);
1379 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", index);
1382 avio_wb32(pb, len + 24);
1383 ffio_wfourcc(pb, "udta");
1384 avio_wb32(pb, len + 16);
1385 ffio_wfourcc(pb, "hnti");
1386 avio_wb32(pb, len + 8);
1387 ffio_wfourcc(pb, "sdp ");
1388 avio_write(pb, buf, len);
1392 static int mov_write_trak_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1394 int64_t pos = avio_tell(pb);
1395 avio_wb32(pb, 0); /* size */
1396 ffio_wfourcc(pb, "trak");
1397 mov_write_tkhd_tag(pb, track, st);
1398 if (track->mode == MODE_PSP || track->flags & MOV_TRACK_CTTS || track->cluster[0].dts)
1399 mov_write_edts_tag(pb, track); // PSP Movies require edts box
1400 if (track->tref_tag)
1401 mov_write_tref_tag(pb, track);
1402 mov_write_mdia_tag(pb, track);
1403 if (track->mode == MODE_PSP)
1404 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
1405 if (track->tag == MKTAG('r','t','p',' '))
1406 mov_write_udta_sdp(pb, track->rtp_ctx, track->trackID);
1407 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && track->mode == MODE_MOV) {
1408 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1409 if (0.0 != sample_aspect_ratio && 1.0 != sample_aspect_ratio)
1410 mov_write_tapt_tag(pb, track);
1412 return updateSize(pb, pos);
1416 /* TODO: Not sorted out, but not necessary either */
1417 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
1419 avio_wb32(pb, 0x15); /* size */
1420 ffio_wfourcc(pb, "iods");
1421 avio_wb32(pb, 0); /* version & flags */
1422 avio_wb16(pb, 0x1007);
1424 avio_wb16(pb, 0x4fff);
1425 avio_wb16(pb, 0xfffe);
1426 avio_wb16(pb, 0x01ff);
1431 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
1433 int maxTrackID = 1, i;
1434 int64_t maxTrackLenTemp, maxTrackLen = 0;
1437 for (i=0; i<mov->nb_streams; i++) {
1438 if(mov->tracks[i].entry > 0) {
1439 maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration,
1441 mov->tracks[i].timescale,
1443 if(maxTrackLen < maxTrackLenTemp)
1444 maxTrackLen = maxTrackLenTemp;
1445 if(maxTrackID < mov->tracks[i].trackID)
1446 maxTrackID = mov->tracks[i].trackID;
1450 version = maxTrackLen < UINT32_MAX ? 0 : 1;
1451 (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
1452 ffio_wfourcc(pb, "mvhd");
1453 avio_w8(pb, version);
1454 avio_wb24(pb, 0); /* flags */
1456 avio_wb64(pb, mov->time);
1457 avio_wb64(pb, mov->time);
1459 avio_wb32(pb, mov->time); /* creation time */
1460 avio_wb32(pb, mov->time); /* modification time */
1462 avio_wb32(pb, MOV_TIMESCALE);
1463 (version == 1) ? avio_wb64(pb, maxTrackLen) : avio_wb32(pb, maxTrackLen); /* duration of longest track */
1465 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1466 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1467 avio_wb16(pb, 0); /* reserved */
1468 avio_wb32(pb, 0); /* reserved */
1469 avio_wb32(pb, 0); /* reserved */
1471 /* Matrix structure */
1472 avio_wb32(pb, 0x00010000); /* reserved */
1473 avio_wb32(pb, 0x0); /* reserved */
1474 avio_wb32(pb, 0x0); /* reserved */
1475 avio_wb32(pb, 0x0); /* reserved */
1476 avio_wb32(pb, 0x00010000); /* reserved */
1477 avio_wb32(pb, 0x0); /* reserved */
1478 avio_wb32(pb, 0x0); /* reserved */
1479 avio_wb32(pb, 0x0); /* reserved */
1480 avio_wb32(pb, 0x40000000); /* reserved */
1482 avio_wb32(pb, 0); /* reserved (preview time) */
1483 avio_wb32(pb, 0); /* reserved (preview duration) */
1484 avio_wb32(pb, 0); /* reserved (poster time) */
1485 avio_wb32(pb, 0); /* reserved (selection time) */
1486 avio_wb32(pb, 0); /* reserved (selection duration) */
1487 avio_wb32(pb, 0); /* reserved (current time) */
1488 avio_wb32(pb, maxTrackID+1); /* Next track id */
1492 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
1495 avio_wb32(pb, 33); /* size */
1496 ffio_wfourcc(pb, "hdlr");
1499 ffio_wfourcc(pb, "mdir");
1500 ffio_wfourcc(pb, "appl");
1507 /* helper function to write a data tag with the specified string as data */
1508 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
1511 int size = 16 + strlen(data);
1512 avio_wb32(pb, size); /* size */
1513 ffio_wfourcc(pb, "data");
1516 avio_write(pb, data, strlen(data));
1520 lang = ff_mov_iso639_to_lang("und", 1);
1521 avio_wb16(pb, strlen(data)); /* string length */
1522 avio_wb16(pb, lang);
1523 avio_write(pb, data, strlen(data));
1524 return strlen(data) + 4;
1528 static int mov_write_string_tag(AVIOContext *pb, const char *name, const char *value, int lang, int long_style){
1530 if (value && value[0]) {
1531 int64_t pos = avio_tell(pb);
1532 avio_wb32(pb, 0); /* size */
1533 ffio_wfourcc(pb, name);
1534 mov_write_string_data_tag(pb, value, lang, long_style);
1535 size= updateSize(pb, pos);
1540 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
1541 const char *name, const char *tag,
1544 int l, lang = 0, len, len2;
1545 AVDictionaryEntry *t, *t2 = NULL;
1548 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
1551 len = strlen(t->key);
1552 snprintf(tag2, sizeof(tag2), "%s-", tag);
1553 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
1554 len2 = strlen(t2->key);
1555 if (len2 == len+4 && !strcmp(t->value, t2->value)
1556 && (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 1)) >= 0) {
1561 return mov_write_string_tag(pb, name, t->value, lang, long_style);
1564 /* iTunes track number */
1565 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
1568 AVDictionaryEntry *t = av_dict_get(s->metadata, "track", NULL, 0);
1569 int size = 0, track = t ? atoi(t->value) : 0;
1571 avio_wb32(pb, 32); /* size */
1572 ffio_wfourcc(pb, "trkn");
1573 avio_wb32(pb, 24); /* size */
1574 ffio_wfourcc(pb, "data");
1575 avio_wb32(pb, 0); // 8 bytes empty
1577 avio_wb16(pb, 0); // empty
1578 avio_wb16(pb, track); // track number
1579 avio_wb16(pb, 0); // total track number
1580 avio_wb16(pb, 0); // empty
1586 /* iTunes meta data list */
1587 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
1590 int64_t pos = avio_tell(pb);
1591 avio_wb32(pb, 0); /* size */
1592 ffio_wfourcc(pb, "ilst");
1593 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
1594 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
1595 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
1596 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
1597 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
1598 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
1599 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
1600 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
1601 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
1602 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
1603 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
1604 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
1605 mov_write_string_metadata(s, pb, "desc", "description",1);
1606 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
1607 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
1608 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
1609 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
1610 mov_write_trkn_tag(pb, mov, s);
1611 return updateSize(pb, pos);
1614 /* iTunes meta data tag */
1615 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
1619 int64_t pos = avio_tell(pb);
1620 avio_wb32(pb, 0); /* size */
1621 ffio_wfourcc(pb, "meta");
1623 mov_write_itunes_hdlr_tag(pb, mov, s);
1624 mov_write_ilst_tag(pb, mov, s);
1625 size = updateSize(pb, pos);
1629 static int utf8len(const uint8_t *b)
1634 GET_UTF8(val, *b++, return -1;)
1640 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
1644 GET_UTF8(val, *b++, return -1;)
1647 avio_wb16(pb, 0x00);
1651 static uint16_t language_code(const char *str)
1653 return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
1656 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
1657 const char *tag, const char *str)
1659 int64_t pos = avio_tell(pb);
1660 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
1661 if (!t || !utf8len(t->value))
1663 avio_wb32(pb, 0); /* size */
1664 ffio_wfourcc(pb, tag); /* type */
1665 avio_wb32(pb, 0); /* version + flags */
1666 if (!strcmp(tag, "yrrc"))
1667 avio_wb16(pb, atoi(t->value));
1669 avio_wb16(pb, language_code("eng")); /* language */
1670 avio_write(pb, t->value, strlen(t->value)+1); /* UTF8 string value */
1671 if (!strcmp(tag, "albm") &&
1672 (t = av_dict_get(s->metadata, "track", NULL, 0)))
1673 avio_w8(pb, atoi(t->value));
1675 return updateSize(pb, pos);
1678 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
1680 int64_t pos = avio_tell(pb);
1681 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
1683 avio_wb32(pb, 0); // size
1684 ffio_wfourcc(pb, "chpl");
1685 avio_wb32(pb, 0x01000000); // version + flags
1686 avio_wb32(pb, 0); // unknown
1687 avio_w8(pb, nb_chapters);
1689 for (i = 0; i < nb_chapters; i++) {
1690 AVChapter *c = s->chapters[i];
1691 AVDictionaryEntry *t;
1692 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
1694 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
1695 int len = FFMIN(strlen(t->value), 255);
1697 avio_write(pb, t->value, len);
1701 return updateSize(pb, pos);
1704 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
1707 AVIOContext *pb_buf;
1711 for (i = 0; i < s->nb_streams; i++)
1712 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
1716 ret = avio_open_dyn_buf(&pb_buf);
1720 if (mov->mode & MODE_3GP) {
1721 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
1722 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
1723 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
1724 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
1725 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
1726 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
1727 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
1728 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
1729 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
1730 mov_write_string_metadata(s, pb_buf, "\251ART", "artist" , 0);
1731 mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0);
1732 mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0);
1733 mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0);
1734 mov_write_string_metadata(s, pb_buf, "\251day", "date" , 0);
1735 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder" , 0);
1736 mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0);
1737 mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0);
1738 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0);
1740 /* iTunes meta data */
1741 mov_write_meta_tag(pb_buf, mov, s);
1745 mov_write_chpl_tag(pb_buf, s);
1747 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
1748 avio_wb32(pb, size+8);
1749 ffio_wfourcc(pb, "udta");
1750 avio_write(pb, buf, size);
1757 static void mov_write_psp_udta_tag(AVIOContext *pb,
1758 const char *str, const char *lang, int type)
1760 int len = utf8len(str)+1;
1763 avio_wb16(pb, len*2+10); /* size */
1764 avio_wb32(pb, type); /* type */
1765 avio_wb16(pb, language_code(lang)); /* language */
1766 avio_wb16(pb, 0x01); /* ? */
1767 ascii_to_wc(pb, str);
1770 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
1772 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
1776 pos = avio_tell(pb);
1777 avio_wb32(pb, 0); /* size placeholder*/
1778 ffio_wfourcc(pb, "uuid");
1779 ffio_wfourcc(pb, "USMT");
1780 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
1781 avio_wb32(pb, 0xbb88695c);
1782 avio_wb32(pb, 0xfac9c740);
1784 pos2 = avio_tell(pb);
1785 avio_wb32(pb, 0); /* size placeholder*/
1786 ffio_wfourcc(pb, "MTDT");
1790 avio_wb16(pb, 0x0C); /* size */
1791 avio_wb32(pb, 0x0B); /* type */
1792 avio_wb16(pb, language_code("und")); /* language */
1793 avio_wb16(pb, 0x0); /* ? */
1794 avio_wb16(pb, 0x021C); /* data */
1796 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
1797 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
1798 // 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);
1799 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
1801 updateSize(pb, pos2);
1802 return updateSize(pb, pos);
1808 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
1812 int64_t pos = avio_tell(pb);
1813 avio_wb32(pb, 0); /* size placeholder*/
1814 ffio_wfourcc(pb, "moov");
1816 for (i=0; i<mov->nb_streams; i++) {
1817 if(mov->tracks[i].entry <= 0) continue;
1819 mov->tracks[i].time = mov->time;
1820 mov->tracks[i].trackID = i+1;
1823 if (mov->chapter_track)
1824 for (i=0; i<s->nb_streams; i++) {
1825 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
1826 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].trackID;
1828 for (i = 0; i < mov->nb_streams; i++) {
1829 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
1830 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
1831 mov->tracks[i].tref_id =
1832 mov->tracks[mov->tracks[i].src_track].trackID;
1836 mov_write_mvhd_tag(pb, mov);
1837 //mov_write_iods_tag(pb, mov);
1838 for (i=0; i<mov->nb_streams; i++) {
1839 if(mov->tracks[i].entry > 0) {
1840 mov_write_trak_tag(pb, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
1844 if (mov->mode == MODE_PSP)
1845 mov_write_uuidusmt_tag(pb, s);
1847 mov_write_udta_tag(pb, mov, s);
1849 return updateSize(pb, pos);
1852 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
1854 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
1855 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
1857 mov->mdat_pos = avio_tell(pb);
1858 avio_wb32(pb, 0); /* size placeholder*/
1859 ffio_wfourcc(pb, "mdat");
1863 /* TODO: This needs to be more general */
1864 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
1866 MOVMuxContext *mov = s->priv_data;
1867 int64_t pos = avio_tell(pb);
1868 int has_h264 = 0, has_video = 0;
1872 for (i = 0; i < s->nb_streams; i++) {
1873 AVStream *st = s->streams[i];
1874 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
1876 if (st->codec->codec_id == CODEC_ID_H264)
1880 avio_wb32(pb, 0); /* size */
1881 ffio_wfourcc(pb, "ftyp");
1883 if (mov->mode == MODE_3GP) {
1884 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
1885 minor = has_h264 ? 0x100 : 0x200;
1886 } else if (mov->mode & MODE_3G2) {
1887 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
1888 minor = has_h264 ? 0x20000 : 0x10000;
1889 }else if (mov->mode == MODE_PSP)
1890 ffio_wfourcc(pb, "MSNV");
1891 else if (mov->mode == MODE_MP4)
1892 ffio_wfourcc(pb, "isom");
1893 else if (mov->mode == MODE_IPOD)
1894 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
1896 ffio_wfourcc(pb, "qt ");
1898 avio_wb32(pb, minor);
1900 if(mov->mode == MODE_MOV)
1901 ffio_wfourcc(pb, "qt ");
1903 ffio_wfourcc(pb, "isom");
1904 ffio_wfourcc(pb, "iso2");
1906 ffio_wfourcc(pb, "avc1");
1909 if (mov->mode == MODE_3GP)
1910 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
1911 else if (mov->mode & MODE_3G2)
1912 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
1913 else if (mov->mode == MODE_PSP)
1914 ffio_wfourcc(pb, "MSNV");
1915 else if (mov->mode == MODE_MP4)
1916 ffio_wfourcc(pb, "mp41");
1917 return updateSize(pb, pos);
1920 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
1922 AVCodecContext *VideoCodec = s->streams[0]->codec;
1923 AVCodecContext *AudioCodec = s->streams[1]->codec;
1924 int AudioRate = AudioCodec->sample_rate;
1925 int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num);
1926 int audio_kbitrate= AudioCodec->bit_rate / 1000;
1927 int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate);
1929 avio_wb32(pb, 0x94); /* size */
1930 ffio_wfourcc(pb, "uuid");
1931 ffio_wfourcc(pb, "PROF");
1933 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
1934 avio_wb32(pb, 0xbb88695c);
1935 avio_wb32(pb, 0xfac9c740);
1937 avio_wb32(pb, 0x0); /* ? */
1938 avio_wb32(pb, 0x3); /* 3 sections ? */
1940 avio_wb32(pb, 0x14); /* size */
1941 ffio_wfourcc(pb, "FPRF");
1942 avio_wb32(pb, 0x0); /* ? */
1943 avio_wb32(pb, 0x0); /* ? */
1944 avio_wb32(pb, 0x0); /* ? */
1946 avio_wb32(pb, 0x2c); /* size */
1947 ffio_wfourcc(pb, "APRF");/* audio */
1949 avio_wb32(pb, 0x2); /* TrackID */
1950 ffio_wfourcc(pb, "mp4a");
1951 avio_wb32(pb, 0x20f);
1953 avio_wb32(pb, audio_kbitrate);
1954 avio_wb32(pb, audio_kbitrate);
1955 avio_wb32(pb, AudioRate);
1956 avio_wb32(pb, AudioCodec->channels);
1958 avio_wb32(pb, 0x34); /* size */
1959 ffio_wfourcc(pb, "VPRF"); /* video */
1961 avio_wb32(pb, 0x1); /* TrackID */
1962 if (VideoCodec->codec_id == CODEC_ID_H264) {
1963 ffio_wfourcc(pb, "avc1");
1964 avio_wb16(pb, 0x014D);
1965 avio_wb16(pb, 0x0015);
1967 ffio_wfourcc(pb, "mp4v");
1968 avio_wb16(pb, 0x0000);
1969 avio_wb16(pb, 0x0103);
1972 avio_wb32(pb, video_kbitrate);
1973 avio_wb32(pb, video_kbitrate);
1974 avio_wb32(pb, FrameRate);
1975 avio_wb32(pb, FrameRate);
1976 avio_wb16(pb, VideoCodec->width);
1977 avio_wb16(pb, VideoCodec->height);
1978 avio_wb32(pb, 0x010001); /* ? */
1981 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
1984 int i, closed_gop = 0;
1986 for (i = 0; i < pkt->size - 4; i++) {
1987 c = (c<<8) + pkt->data[i];
1988 if (c == 0x1b8) { // gop
1989 closed_gop = pkt->data[i+4]>>6 & 0x01;
1990 } else if (c == 0x100) { // pic
1991 int temp_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
1992 if (!temp_ref || closed_gop) // I picture is not reordered
1993 *flags = MOV_SYNC_SAMPLE;
1995 *flags = MOV_PARTIAL_SYNC_SAMPLE;
2002 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
2004 MOVMuxContext *mov = s->priv_data;
2005 AVIOContext *pb = s->pb;
2006 MOVTrack *trk = &mov->tracks[pkt->stream_index];
2007 AVCodecContext *enc = trk->enc;
2008 unsigned int samplesInChunk = 0;
2009 int size= pkt->size;
2011 if (!s->pb->seekable) return 0; /* Can't handle that */
2012 if (!size) return 0; /* Discard 0 sized packets */
2014 if (enc->codec_id == CODEC_ID_AMR_NB) {
2015 /* We must find out how many AMR blocks there are in one packet */
2016 static uint16_t packed_size[16] =
2017 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
2020 while (len < size && samplesInChunk < 100) {
2021 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
2024 if(samplesInChunk > 1){
2025 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
2028 } else if (enc->codec_id == CODEC_ID_ADPCM_MS ||
2029 enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
2030 samplesInChunk = enc->frame_size;
2031 } else if (trk->sampleSize)
2032 samplesInChunk = size/trk->sampleSize;
2036 /* copy extradata if it exists */
2037 if (trk->vosLen == 0 && enc->extradata_size > 0) {
2038 trk->vosLen = enc->extradata_size;
2039 trk->vosData = av_malloc(trk->vosLen);
2040 memcpy(trk->vosData, enc->extradata, trk->vosLen);
2043 if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) {
2044 /* from x264 or from bytestream h264 */
2045 /* nal reformating needed */
2046 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
2047 } else if (enc->codec_id == CODEC_ID_AAC && pkt->size > 2 &&
2048 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
2049 av_log(s, AV_LOG_ERROR, "malformated aac bitstream, use -absf aac_adtstoasc\n");
2052 avio_write(pb, pkt->data, size);
2055 if ((enc->codec_id == CODEC_ID_DNXHD ||
2056 enc->codec_id == CODEC_ID_AC3) && !trk->vosLen) {
2057 /* copy frame to create needed atoms */
2059 trk->vosData = av_malloc(size);
2061 return AVERROR(ENOMEM);
2062 memcpy(trk->vosData, pkt->data, size);
2065 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
2066 trk->cluster = av_realloc_f(trk->cluster, sizeof(*trk->cluster), (trk->entry + MOV_INDEX_CLUSTER_SIZE));
2071 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
2072 trk->cluster[trk->entry].samplesInChunk = samplesInChunk;
2073 trk->cluster[trk->entry].size = size;
2074 trk->cluster[trk->entry].entries = samplesInChunk;
2075 trk->cluster[trk->entry].dts = pkt->dts;
2076 trk->trackDuration = pkt->dts - trk->cluster[0].dts + pkt->duration;
2078 if (pkt->pts == AV_NOPTS_VALUE) {
2079 av_log(s, AV_LOG_WARNING, "pts has no value\n");
2080 pkt->pts = pkt->dts;
2082 if (pkt->dts != pkt->pts)
2083 trk->flags |= MOV_TRACK_CTTS;
2084 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
2085 trk->cluster[trk->entry].flags = 0;
2086 if (pkt->flags & AV_PKT_FLAG_KEY) {
2087 if (mov->mode == MODE_MOV && enc->codec_id == CODEC_ID_MPEG2VIDEO &&
2088 trk->entry > 0) { // force sync sample for the first key frame
2089 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
2090 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
2091 trk->flags |= MOV_TRACK_STPS;
2093 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
2095 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
2096 trk->hasKeyframes++;
2099 trk->sampleCount += samplesInChunk;
2100 mov->mdat_size += size;
2104 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
2105 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry);
2109 // QuickTime chapters involve an additional text track with the chapter names
2110 // as samples, and a tref pointing from the other tracks to the chapter one.
2111 static void mov_create_chapter_track(AVFormatContext *s, int tracknum)
2113 MOVMuxContext *mov = s->priv_data;
2114 MOVTrack *track = &mov->tracks[tracknum];
2115 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
2118 track->mode = mov->mode;
2119 track->tag = MKTAG('t','e','x','t');
2120 track->timescale = MOV_TIMESCALE;
2121 track->enc = avcodec_alloc_context3(NULL);
2122 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
2124 for (i = 0; i < s->nb_chapters; i++) {
2125 AVChapter *c = s->chapters[i];
2126 AVDictionaryEntry *t;
2128 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
2129 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
2130 pkt.duration = end - pkt.dts;
2132 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
2133 len = strlen(t->value);
2135 pkt.data = av_malloc(pkt.size);
2136 AV_WB16(pkt.data, len);
2137 memcpy(pkt.data+2, t->value, len);
2138 ff_mov_write_packet(s, &pkt);
2139 av_freep(&pkt.data);
2144 static int mov_write_header(AVFormatContext *s)
2146 AVIOContext *pb = s->pb;
2147 MOVMuxContext *mov = s->priv_data;
2148 AVDictionaryEntry *t;
2149 int i, hint_track = 0;
2151 if (!s->pb->seekable) {
2152 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
2156 /* Default mode == MP4 */
2157 mov->mode = MODE_MP4;
2159 if (s->oformat != NULL) {
2160 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
2161 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
2162 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
2163 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
2164 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
2166 mov_write_ftyp_tag(pb,s);
2167 if (mov->mode == MODE_PSP) {
2168 if (s->nb_streams != 2) {
2169 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
2172 mov_write_uuidprof_tag(pb,s);
2176 mov->nb_streams = s->nb_streams;
2177 if (mov->mode & (MODE_MOV|MODE_IPOD) && s->nb_chapters)
2178 mov->chapter_track = mov->nb_streams++;
2180 #if FF_API_FLAG_RTP_HINT
2181 if (s->flags & AVFMT_FLAG_RTP_HINT) {
2182 av_log(s, AV_LOG_WARNING, "The RTP_HINT flag is deprecated, enable it "
2183 "via the -movflags rtphint muxer option "
2185 mov->flags |= FF_MOV_FLAG_RTP_HINT;
2188 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
2189 /* Add hint tracks for each audio and video stream */
2190 hint_track = mov->nb_streams;
2191 for (i = 0; i < s->nb_streams; i++) {
2192 AVStream *st = s->streams[i];
2193 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2194 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
2200 mov->tracks = av_mallocz(mov->nb_streams*sizeof(*mov->tracks));
2202 return AVERROR(ENOMEM);
2204 for(i=0; i<s->nb_streams; i++){
2205 AVStream *st= s->streams[i];
2206 MOVTrack *track= &mov->tracks[i];
2207 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
2209 track->enc = st->codec;
2210 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
2211 if (track->language < 0)
2212 track->language = 0;
2213 track->mode = mov->mode;
2214 track->tag = mov_find_codec_tag(s, track);
2216 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
2217 "codec not currently supported in container\n", i);
2220 /* If hinting of this track is enabled by a later hint track,
2221 * this is updated. */
2222 track->hint_track = -1;
2223 if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
2224 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
2225 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
2226 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
2227 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
2228 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
2231 track->height = track->tag>>24 == 'n' ? 486 : 576;
2233 track->timescale = st->codec->time_base.den;
2234 if (track->mode == MODE_MOV && track->timescale > 100000)
2235 av_log(s, AV_LOG_WARNING,
2236 "WARNING codec timebase is very high. If duration is too long,\n"
2237 "file may not be playable by quicktime. Specify a shorter timebase\n"
2238 "or choose different container.\n");
2239 }else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
2240 track->timescale = st->codec->sample_rate;
2241 if(!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
2242 av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
2244 }else if(st->codec->codec_id == CODEC_ID_ADPCM_MS ||
2245 st->codec->codec_id == CODEC_ID_ADPCM_IMA_WAV){
2246 if (!st->codec->block_align) {
2247 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
2250 track->sampleSize = st->codec->block_align;
2251 }else if(st->codec->frame_size > 1){ /* assume compressed audio */
2252 track->audio_vbr = 1;
2254 st->codec->frame_size = 1;
2255 track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
2257 if (track->mode != MODE_MOV) {
2258 if (track->timescale > UINT16_MAX) {
2259 av_log(s, AV_LOG_ERROR, "track %d: output format does not support "
2260 "sample rate %dhz\n", i, track->timescale);
2263 if (track->enc->codec_id == CODEC_ID_MP3 && track->timescale < 16000) {
2264 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
2265 i, track->enc->sample_rate);
2269 }else if(st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE){
2270 track->timescale = st->codec->time_base.den;
2273 track->height = st->codec->height;
2275 av_set_pts_info(st, 64, 1, track->timescale);
2278 if(mov->reserved_moov_size){
2279 mov->reserved_moov_pos= avio_tell(pb);
2280 avio_skip(pb, mov->reserved_moov_size);
2283 mov_write_mdat_tag(pb, mov);
2285 #if FF_API_TIMESTAMP
2287 mov->time = s->timestamp;
2290 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
2291 mov->time = ff_iso8601_to_unix_time(t->value);
2292 mov->time += 0x7C25B080; //1970 based -> 1904 based
2294 if (mov->chapter_track)
2295 mov_create_chapter_track(s, mov->chapter_track);
2297 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
2298 /* Initialize the hint tracks for each audio and video stream */
2299 for (i = 0; i < s->nb_streams; i++) {
2300 AVStream *st = s->streams[i];
2301 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2302 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
2303 ff_mov_init_hinting(s, hint_track, i);
2313 av_freep(&mov->tracks);
2317 static int mov_write_trailer(AVFormatContext *s)
2319 MOVMuxContext *mov = s->priv_data;
2320 AVIOContext *pb = s->pb;
2324 int64_t moov_pos = avio_tell(pb);
2326 /* Write size of mdat tag */
2327 if (mov->mdat_size+8 <= UINT32_MAX) {
2328 avio_seek(pb, mov->mdat_pos, SEEK_SET);
2329 avio_wb32(pb, mov->mdat_size+8);
2331 /* overwrite 'wide' placeholder atom */
2332 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
2333 avio_wb32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */
2334 ffio_wfourcc(pb, "mdat");
2335 avio_wb64(pb, mov->mdat_size+16);
2337 avio_seek(pb, mov->reserved_moov_size ? mov->reserved_moov_pos : moov_pos, SEEK_SET);
2339 mov_write_moov_tag(pb, mov, s);
2340 if(mov->reserved_moov_size){
2341 int64_t size= mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_moov_pos);
2343 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %Ld additional\n", 8-size);
2346 avio_wb32(pb, size);
2347 ffio_wfourcc(pb, "free");
2348 for(i=0; i<size; i++)
2350 avio_seek(pb, moov_pos, SEEK_SET);
2353 if (mov->chapter_track)
2354 av_freep(&mov->tracks[mov->chapter_track].enc);
2356 for (i=0; i<mov->nb_streams; i++) {
2357 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
2358 ff_mov_close_hinting(&mov->tracks[i]);
2359 av_freep(&mov->tracks[i].cluster);
2361 if(mov->tracks[i].vosLen) av_free(mov->tracks[i].vosData);
2367 av_freep(&mov->tracks);
2372 #if CONFIG_MOV_MUXER
2374 AVOutputFormat ff_mov_muxer = {
2376 .long_name = NULL_IF_CONFIG_SMALL("MOV format"),
2377 .extensions = "mov",
2378 .priv_data_size = sizeof(MOVMuxContext),
2379 .audio_codec = CODEC_ID_AAC,
2380 #if CONFIG_LIBX264_ENCODER
2381 .video_codec = CODEC_ID_H264,
2383 .video_codec = CODEC_ID_MPEG4,
2385 .write_header = mov_write_header,
2386 .write_packet = ff_mov_write_packet,
2387 .write_trailer = mov_write_trailer,
2388 .flags = AVFMT_GLOBALHEADER,
2389 .codec_tag = (const AVCodecTag* const []){codec_movvideo_tags, codec_movaudio_tags, 0},
2390 .priv_class = &mov_muxer_class,
2393 #if CONFIG_TGP_MUXER
2395 AVOutputFormat ff_tgp_muxer = {
2397 .long_name = NULL_IF_CONFIG_SMALL("3GP format"),
2398 .extensions = "3gp",
2399 .priv_data_size = sizeof(MOVMuxContext),
2400 .audio_codec = CODEC_ID_AMR_NB,
2401 .video_codec = CODEC_ID_H263,
2402 .write_header = mov_write_header,
2403 .write_packet = ff_mov_write_packet,
2404 .write_trailer = mov_write_trailer,
2405 .flags = AVFMT_GLOBALHEADER,
2406 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
2407 .priv_class = &tgp_muxer_class,
2410 #if CONFIG_MP4_MUXER
2412 AVOutputFormat ff_mp4_muxer = {
2414 .long_name = NULL_IF_CONFIG_SMALL("MP4 format"),
2415 .mime_type = "application/mp4",
2416 .extensions = "mp4",
2417 .priv_data_size = sizeof(MOVMuxContext),
2418 .audio_codec = CODEC_ID_AAC,
2419 #if CONFIG_LIBX264_ENCODER
2420 .video_codec = CODEC_ID_H264,
2422 .video_codec = CODEC_ID_MPEG4,
2424 .write_header = mov_write_header,
2425 .write_packet = ff_mov_write_packet,
2426 .write_trailer = mov_write_trailer,
2427 .flags = AVFMT_GLOBALHEADER,
2428 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
2429 .priv_class = &mp4_muxer_class,
2432 #if CONFIG_PSP_MUXER
2434 AVOutputFormat ff_psp_muxer = {
2436 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 format"),
2437 .extensions = "mp4,psp",
2438 .priv_data_size = sizeof(MOVMuxContext),
2439 .audio_codec = CODEC_ID_AAC,
2440 #if CONFIG_LIBX264_ENCODER
2441 .video_codec = CODEC_ID_H264,
2443 .video_codec = CODEC_ID_MPEG4,
2445 .write_header = mov_write_header,
2446 .write_packet = ff_mov_write_packet,
2447 .write_trailer = mov_write_trailer,
2448 .flags = AVFMT_GLOBALHEADER,
2449 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
2450 .priv_class = &psp_muxer_class,
2453 #if CONFIG_TG2_MUXER
2455 AVOutputFormat ff_tg2_muxer = {
2457 .long_name = NULL_IF_CONFIG_SMALL("3GP2 format"),
2458 .extensions = "3g2",
2459 .priv_data_size = sizeof(MOVMuxContext),
2460 .audio_codec = CODEC_ID_AMR_NB,
2461 .video_codec = CODEC_ID_H263,
2462 .write_header = mov_write_header,
2463 .write_packet = ff_mov_write_packet,
2464 .write_trailer = mov_write_trailer,
2465 .flags = AVFMT_GLOBALHEADER,
2466 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
2467 .priv_class = &tg2_muxer_class,
2470 #if CONFIG_IPOD_MUXER
2472 AVOutputFormat ff_ipod_muxer = {
2474 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"),
2475 .mime_type = "application/mp4",
2476 .extensions = "m4v,m4a",
2477 .priv_data_size = sizeof(MOVMuxContext),
2478 .audio_codec = CODEC_ID_AAC,
2479 .video_codec = CODEC_ID_H264,
2480 .write_header = mov_write_header,
2481 .write_packet = ff_mov_write_packet,
2482 .write_trailer = mov_write_trailer,
2483 .flags = AVFMT_GLOBALHEADER,
2484 .codec_tag = (const AVCodecTag* const []){codec_ipod_tags, 0},
2485 .priv_class = &ipod_muxer_class,