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
29 #include "libavcodec/bitstream.h"
34 #define MOV_INDEX_CLUSTER_SIZE 16384
35 #define globalTimescale 1000
40 #define MODE_PSP 0x08 // example working PSP command line:
41 // ffmpeg -i testinput.avi -f psp -r 14.985 -s 320x240 -b 768 -ar 24000 -ab 32 M4V00001.MP4
43 #define MODE_IPOD 0x20
45 typedef struct MOVIentry {
46 unsigned int flags, size;
48 unsigned int samplesInChunk;
55 typedef struct MOVIndex {
60 int64_t trackDuration;
67 int tag; ///< stsd fourcc
74 int height; ///< active picture (w/o VBI) height for D-10/IMX
77 typedef struct MOVMuxContext {
87 //FIXME support 64 bit variant with wide placeholders
88 static int64_t updateSize(ByteIOContext *pb, int64_t pos)
90 int64_t curpos = url_ftell(pb);
91 url_fseek(pb, pos, SEEK_SET);
92 put_be32(pb, curpos - pos); /* rewrite size */
93 url_fseek(pb, curpos, SEEK_SET);
98 /* Chunk offset atom */
99 static int mov_write_stco_tag(ByteIOContext *pb, MOVTrack *track)
102 int mode64 = 0; // use 32 bit size variant if possible
103 int64_t pos = url_ftell(pb);
104 put_be32(pb, 0); /* size */
105 if (pos > UINT32_MAX) {
110 put_be32(pb, 0); /* version & flags */
111 put_be32(pb, track->entry); /* entry count */
112 for (i=0; i<track->entry; i++) {
114 put_be64(pb, track->cluster[i].pos);
116 put_be32(pb, track->cluster[i].pos);
118 return updateSize(pb, pos);
121 /* Sample size atom */
122 static int mov_write_stsz_tag(ByteIOContext *pb, MOVTrack *track)
125 int i, j, entries = 0, tst = -1, oldtst = -1;
127 int64_t pos = url_ftell(pb);
128 put_be32(pb, 0); /* size */
130 put_be32(pb, 0); /* version & flags */
132 for (i=0; i<track->entry; i++) {
133 tst = track->cluster[i].size/track->cluster[i].entries;
134 if(oldtst != -1 && tst != oldtst) {
138 entries += track->cluster[i].entries;
141 int sSize = track->cluster[0].size/track->cluster[0].entries;
142 put_be32(pb, sSize); // sample size
143 put_be32(pb, entries); // sample count
146 put_be32(pb, 0); // sample size
147 put_be32(pb, entries); // sample count
148 for (i=0; i<track->entry; i++) {
149 for (j=0; j<track->cluster[i].entries; j++) {
150 put_be32(pb, track->cluster[i].size /
151 track->cluster[i].entries);
155 return updateSize(pb, pos);
158 /* Sample to chunk atom */
159 static int mov_write_stsc_tag(ByteIOContext *pb, MOVTrack *track)
161 int index = 0, oldval = -1, i;
162 int64_t entryPos, curpos;
164 int64_t pos = url_ftell(pb);
165 put_be32(pb, 0); /* size */
167 put_be32(pb, 0); // version & flags
168 entryPos = url_ftell(pb);
169 put_be32(pb, track->entry); // entry count
170 for (i=0; i<track->entry; i++) {
171 if(oldval != track->cluster[i].samplesInChunk)
173 put_be32(pb, i+1); // first chunk
174 put_be32(pb, track->cluster[i].samplesInChunk); // samples per chunk
175 put_be32(pb, 0x1); // sample description index
176 oldval = track->cluster[i].samplesInChunk;
180 curpos = url_ftell(pb);
181 url_fseek(pb, entryPos, SEEK_SET);
182 put_be32(pb, index); // rewrite size
183 url_fseek(pb, curpos, SEEK_SET);
185 return updateSize(pb, pos);
188 /* Sync sample atom */
189 static int mov_write_stss_tag(ByteIOContext *pb, MOVTrack *track)
191 int64_t curpos, entryPos;
193 int64_t pos = url_ftell(pb);
194 put_be32(pb, 0); // size
196 put_be32(pb, 0); // version & flags
197 entryPos = url_ftell(pb);
198 put_be32(pb, track->entry); // entry count
199 for (i=0; i<track->entry; i++) {
200 if(track->cluster[i].key_frame == 1) {
205 curpos = url_ftell(pb);
206 url_fseek(pb, entryPos, SEEK_SET);
207 put_be32(pb, index); // rewrite size
208 url_fseek(pb, curpos, SEEK_SET);
209 return updateSize(pb, pos);
212 static int mov_write_amr_tag(ByteIOContext *pb, MOVTrack *track)
214 put_be32(pb, 0x11); /* size */
215 if (track->mode == MODE_MOV) put_tag(pb, "samr");
216 else put_tag(pb, "damr");
218 put_byte(pb, 0); /* decoder version */
220 put_be16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
221 put_byte(pb, 0x00); /* Mode change period (no restriction) */
222 put_byte(pb, 0x01); /* Frames per sample */
226 static int mov_write_ac3_tag(ByteIOContext *pb, MOVTrack *track)
231 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
233 if (track->vosLen < 7)
239 init_get_bits(&gbc, track->vosData+4, track->vosLen-4);
240 fscod = get_bits(&gbc, 2);
241 frmsizecod = get_bits(&gbc, 6);
242 bsid = get_bits(&gbc, 5);
243 bsmod = get_bits(&gbc, 3);
244 acmod = get_bits(&gbc, 3);
246 skip_bits(&gbc, 2); // dsurmod
248 if ((acmod & 1) && acmod != 1)
249 skip_bits(&gbc, 2); // cmixlev
251 skip_bits(&gbc, 2); // surmixlev
253 lfeon = get_bits1(&gbc);
255 init_put_bits(&pbc, buf, sizeof(buf));
256 put_bits(&pbc, 2, fscod);
257 put_bits(&pbc, 5, bsid);
258 put_bits(&pbc, 3, bsmod);
259 put_bits(&pbc, 3, acmod);
260 put_bits(&pbc, 1, lfeon);
261 put_bits(&pbc, 5, frmsizecod>>1); // bit_rate_code
262 put_bits(&pbc, 5, 0); // reserved
264 flush_put_bits(&pbc);
265 put_buffer(pb, buf, sizeof(buf));
271 * This function writes extradata "as is".
272 * Extradata must be formated like a valid atom (with size and tag)
274 static int mov_write_extradata_tag(ByteIOContext *pb, MOVTrack *track)
276 put_buffer(pb, track->enc->extradata, track->enc->extradata_size);
277 return track->enc->extradata_size;
280 static int mov_write_enda_tag(ByteIOContext *pb)
284 put_be16(pb, 1); /* little endian */
288 static unsigned int descrLength(unsigned int len)
291 for(i=1; len>>(7*i); i++);
295 static void putDescr(ByteIOContext *pb, int tag, unsigned int size)
297 int i= descrLength(size) - size - 2;
300 put_byte(pb, (size>>(7*i)) | 0x80);
301 put_byte(pb, size & 0x7F);
304 static int mov_write_esds_tag(ByteIOContext *pb, MOVTrack *track) // Basic
306 int64_t pos = url_ftell(pb);
307 int decoderSpecificInfoLen = track->vosLen ? descrLength(track->vosLen):0;
309 put_be32(pb, 0); // size
311 put_be32(pb, 0); // Version
314 putDescr(pb, 0x03, 3 + descrLength(13 + decoderSpecificInfoLen) +
316 put_be16(pb, track->trackID);
317 put_byte(pb, 0x00); // flags (= no flags)
319 // DecoderConfig descriptor
320 putDescr(pb, 0x04, 13 + decoderSpecificInfoLen);
322 // Object type indication
323 if ((track->enc->codec_id == CODEC_ID_MP2 ||
324 track->enc->codec_id == CODEC_ID_MP3) &&
325 track->enc->sample_rate > 24000)
326 put_byte(pb, 0x6B); // 11172-3
328 put_byte(pb, codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
330 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
331 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
332 if(track->enc->codec_type == CODEC_TYPE_AUDIO)
333 put_byte(pb, 0x15); // flags (= Audiostream)
335 put_byte(pb, 0x11); // flags (= Visualstream)
337 put_byte(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits)
338 put_be16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB
340 put_be32(pb, FFMAX(track->enc->bit_rate, track->enc->rc_max_rate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
341 if(track->enc->rc_max_rate != track->enc->rc_min_rate || track->enc->rc_min_rate==0)
342 put_be32(pb, 0); // vbr
344 put_be32(pb, track->enc->rc_max_rate); // avg bitrate
347 // DecoderSpecific info descriptor
348 putDescr(pb, 0x05, track->vosLen);
349 put_buffer(pb, track->vosData, track->vosLen);
353 putDescr(pb, 0x06, 1);
355 return updateSize(pb, pos);
358 static int mov_write_wave_tag(ByteIOContext *pb, MOVTrack *track)
360 int64_t pos = url_ftell(pb);
362 put_be32(pb, 0); /* size */
365 put_be32(pb, 12); /* size */
367 put_le32(pb, track->tag);
369 if (track->enc->codec_id == CODEC_ID_AAC) {
370 /* useless atom needed by mplayer, ipod, not needed by quicktime */
371 put_be32(pb, 12); /* size */
374 mov_write_esds_tag(pb, track);
375 } else if (track->enc->codec_id == CODEC_ID_PCM_S24LE ||
376 track->enc->codec_id == CODEC_ID_PCM_S32LE) {
377 mov_write_enda_tag(pb);
378 } else if (track->enc->codec_id == CODEC_ID_AMR_NB) {
379 mov_write_amr_tag(pb, track);
380 } else if (track->enc->codec_id == CODEC_ID_AC3) {
381 mov_write_ac3_tag(pb, track);
382 } else if (track->enc->codec_id == CODEC_ID_ALAC) {
383 mov_write_extradata_tag(pb, track);
386 put_be32(pb, 8); /* size */
387 put_be32(pb, 0); /* null tag */
389 return updateSize(pb, pos);
392 static int mov_write_glbl_tag(ByteIOContext *pb, MOVTrack *track)
394 put_be32(pb, track->vosLen+8);
396 put_buffer(pb, track->vosData, track->vosLen);
397 return 8+track->vosLen;
400 static int mov_write_audio_tag(ByteIOContext *pb, MOVTrack *track)
402 int64_t pos = url_ftell(pb);
403 int version = track->mode == MODE_MOV &&
405 track->enc->codec_id == CODEC_ID_PCM_S32LE ||
406 track->enc->codec_id == CODEC_ID_PCM_S24LE);
408 put_be32(pb, 0); /* size */
409 put_le32(pb, track->tag); // store it byteswapped
410 put_be32(pb, 0); /* Reserved */
411 put_be16(pb, 0); /* Reserved */
412 put_be16(pb, 1); /* Data-reference index, XXX == 1 */
414 /* SoundDescription */
415 put_be16(pb, version); /* Version */
416 put_be16(pb, 0); /* Revision level */
417 put_be32(pb, 0); /* Reserved */
419 if (track->mode == MODE_MOV) {
420 put_be16(pb, track->enc->channels);
421 if (track->enc->codec_id == CODEC_ID_PCM_U8 ||
422 track->enc->codec_id == CODEC_ID_PCM_S8)
423 put_be16(pb, 8); /* bits per sample */
426 put_be16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
427 } else { /* reserved for mp4/3gp */
433 put_be16(pb, 0); /* packet size (= 0) */
434 put_be16(pb, track->timescale); /* Time scale */
435 put_be16(pb, 0); /* Reserved */
437 if(version == 1) { /* SoundDescription V1 extended info */
438 put_be32(pb, track->enc->frame_size); /* Samples per packet */
439 put_be32(pb, track->sampleSize / track->enc->channels); /* Bytes per packet */
440 put_be32(pb, track->sampleSize); /* Bytes per frame */
441 put_be32(pb, 2); /* Bytes per sample */
444 if(track->mode == MODE_MOV &&
445 (track->enc->codec_id == CODEC_ID_AAC ||
446 track->enc->codec_id == CODEC_ID_AC3 ||
447 track->enc->codec_id == CODEC_ID_AMR_NB ||
448 track->enc->codec_id == CODEC_ID_PCM_S24LE ||
449 track->enc->codec_id == CODEC_ID_PCM_S32LE ||
450 track->enc->codec_id == CODEC_ID_ALAC))
451 mov_write_wave_tag(pb, track);
452 else if(track->tag == MKTAG('m','p','4','a'))
453 mov_write_esds_tag(pb, track);
454 else if(track->enc->codec_id == CODEC_ID_AMR_NB)
455 mov_write_amr_tag(pb, track);
456 else if(track->enc->codec_id == CODEC_ID_AC3)
457 mov_write_ac3_tag(pb, track);
458 else if(track->enc->codec_id == CODEC_ID_ALAC)
459 mov_write_extradata_tag(pb, track);
460 else if(track->vosLen > 0)
461 mov_write_glbl_tag(pb, track);
463 return updateSize(pb, pos);
466 static int mov_write_d263_tag(ByteIOContext *pb)
468 put_be32(pb, 0xf); /* size */
471 put_byte(pb, 0); /* decoder version */
472 /* FIXME use AVCodecContext level/profile, when encoder will set values */
473 put_byte(pb, 0xa); /* level */
474 put_byte(pb, 0); /* profile */
478 /* TODO: No idea about these values */
479 static int mov_write_svq3_tag(ByteIOContext *pb)
485 put_be32(pb, 0xe2c0211d);
486 put_be32(pb, 0xc0000000);
491 static int mov_write_avcc_tag(ByteIOContext *pb, MOVTrack *track)
493 int64_t pos = url_ftell(pb);
497 ff_isom_write_avcc(pb, track->vosData, track->vosLen);
498 return updateSize(pb, pos);
501 /* also used by all avid codecs (dv, imx, meridien) and their variants */
502 static int mov_write_avid_tag(ByteIOContext *pb, MOVTrack *track)
505 put_be32(pb, 24); /* size */
509 put_be32(pb, 1); /* yuv 1 / rgb 2 ? */
510 put_be32(pb, 0); /* unknown */
512 put_be32(pb, 24); /* size */
516 put_be32(pb, 1); /* unknown */
517 put_be32(pb, 0); /* unknown */
519 put_be32(pb, 120); /* size */
523 put_be32(pb, AV_RB32(track->vosData + 0x28)); /* dnxhd cid, some id ? */
524 put_be32(pb, track->enc->width);
525 /* values below are based on samples created with quicktime and avid codecs */
526 if (track->vosData[5] & 2) { // interlaced
527 put_be32(pb, track->enc->height/2);
528 put_be32(pb, 2); /* unknown */
529 put_be32(pb, 0); /* unknown */
530 put_be32(pb, 4); /* unknown */
532 put_be32(pb, track->enc->height);
533 put_be32(pb, 1); /* unknown */
534 put_be32(pb, 0); /* unknown */
535 if (track->enc->height == 1080)
536 put_be32(pb, 5); /* unknown */
538 put_be32(pb, 6); /* unknown */
541 for (i = 0; i < 10; i++)
544 /* extra padding for stsd needed */
549 static const AVCodecTag codec_3gp_tags[] = {
550 { CODEC_ID_H263, MKTAG('s','2','6','3') },
551 { CODEC_ID_H264, MKTAG('a','v','c','1') },
552 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
553 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
554 { CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
555 { CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
556 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
557 { CODEC_ID_NONE, 0 },
560 static const struct {
561 enum PixelFormat pix_fmt;
564 } mov_pix_fmt_tags[] = {
565 { PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
566 { PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
567 { PIX_FMT_BGR555, MKTAG('r','a','w',' '), 16 },
568 { PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
569 { PIX_FMT_BGR32_1, MKTAG('r','a','w',' '), 32 },
572 static const AVCodecTag codec_ipod_tags[] = {
573 { CODEC_ID_H264, MKTAG('a','v','c','1') },
574 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
575 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
576 { CODEC_ID_ALAC, MKTAG('a','l','a','c') },
577 { CODEC_ID_AC3, MKTAG('a','c','-','3') },
578 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
579 { CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
580 { CODEC_ID_NONE, 0 },
583 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
585 int tag = track->enc->codec_tag;
587 if (!codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
590 if (track->enc->codec_id == CODEC_ID_H264) tag = MKTAG('a','v','c','1');
591 else if (track->enc->codec_id == CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
592 else if (track->enc->codec_id == CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
593 else if (track->enc->codec_id == CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
594 else if (track->enc->codec_type == CODEC_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
595 else if (track->enc->codec_type == CODEC_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
600 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
602 int tag = track->enc->codec_tag;
604 if (track->enc->codec_type == CODEC_TYPE_SUBTITLE &&
605 (tag == MKTAG('t','x','3','g') ||
606 tag == MKTAG('t','e','x','t')))
607 track->tag = tag; // keep original tag
609 tag = codec_get_tag(codec_ipod_tags, track->enc->codec_id);
610 if (!match_ext(s->filename, "m4a") && !match_ext(s->filename, "m4v"))
611 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
612 "Quicktime/Ipod might not play the file\n");
617 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
621 if (track->enc->height == 480) /* NTSC */
622 if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
623 else tag = MKTAG('d','v','c',' ');
624 else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
625 else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
626 else tag = MKTAG('d','v','p','p');
631 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
633 int tag = track->enc->codec_tag;
636 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
637 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
638 tag = mov_pix_fmt_tags[i].tag;
639 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
643 if (!tag) // restore tag
644 tag = track->enc->codec_tag;
649 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
651 int tag = track->enc->codec_tag;
653 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
654 (tag == MKTAG('d','v','c','p') ||
655 track->enc->codec_id == CODEC_ID_RAWVIDEO ||
656 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
657 if (track->enc->codec_id == CODEC_ID_DVVIDEO) {
658 tag = mov_get_dv_codec_tag(s, track);
659 } else if (track->enc->codec_id == CODEC_ID_RAWVIDEO) {
660 tag = mov_get_rawvideo_codec_tag(s, track);
662 if (track->enc->codec_type == CODEC_TYPE_VIDEO) {
663 tag = codec_get_tag(codec_movvideo_tags, track->enc->codec_id);
664 if (!tag) { // if no mac fcc found, try with Microsoft tags
665 tag = codec_get_tag(codec_bmp_tags, track->enc->codec_id);
667 av_log(s, AV_LOG_INFO, "Warning, using MS style video codec tag, "
668 "the file may be unplayable!\n");
670 } else if (track->enc->codec_type == CODEC_TYPE_AUDIO) {
671 tag = codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
672 if (!tag) { // if no mac fcc found, try with Microsoft tags
673 int ms_tag = codec_get_tag(codec_wav_tags, track->enc->codec_id);
675 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
676 av_log(s, AV_LOG_INFO, "Warning, using MS style audio codec tag, "
677 "the file may be unplayable!\n");
680 } else if (track->enc->codec_type == CODEC_TYPE_SUBTITLE) {
681 tag = codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
689 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
691 int tag = track->enc->codec_tag;
693 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
694 tag = mp4_get_codec_tag(s, track);
695 else if (track->mode == MODE_IPOD)
696 tag = ipod_get_codec_tag(s, track);
697 else if (track->mode & MODE_3GP)
698 tag = codec_get_tag(codec_3gp_tags, track->enc->codec_id);
700 tag = mov_get_codec_tag(s, track);
706 * Needed to make file play in iPods running newest firmware
707 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
709 static int mov_write_uuid_tag_ipod(ByteIOContext *pb)
713 put_be32(pb, 0x6b6840f2);
714 put_be32(pb, 0x5f244fc5);
715 put_be32(pb, 0xba39a51b);
716 put_be32(pb, 0xcf0323f3);
721 static int mov_write_subtitle_tag(ByteIOContext *pb, MOVTrack *track)
723 int64_t pos = url_ftell(pb);
724 put_be32(pb, 0); /* size */
725 put_le32(pb, track->tag); // store it byteswapped
726 put_be32(pb, 0); /* Reserved */
727 put_be16(pb, 0); /* Reserved */
728 put_be16(pb, 1); /* Data-reference index */
730 if (track->enc->extradata_size)
731 put_buffer(pb, track->enc->extradata, track->enc->extradata_size);
733 return updateSize(pb, pos);
736 static int mov_write_video_tag(ByteIOContext *pb, MOVTrack *track)
738 int64_t pos = url_ftell(pb);
739 char compressor_name[32];
741 put_be32(pb, 0); /* size */
742 put_le32(pb, track->tag); // store it byteswapped
743 put_be32(pb, 0); /* Reserved */
744 put_be16(pb, 0); /* Reserved */
745 put_be16(pb, 1); /* Data-reference index */
747 put_be16(pb, 0); /* Codec stream version */
748 put_be16(pb, 0); /* Codec stream revision (=0) */
749 if (track->mode == MODE_MOV) {
750 put_tag(pb, "FFMP"); /* Vendor */
751 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
752 put_be32(pb, 0); /* Temporal Quality */
753 put_be32(pb, 0x400); /* Spatial Quality = lossless*/
755 put_be32(pb, 0x200); /* Temporal Quality = normal */
756 put_be32(pb, 0x200); /* Spatial Quality = normal */
759 put_be32(pb, 0); /* Reserved */
760 put_be32(pb, 0); /* Reserved */
761 put_be32(pb, 0); /* Reserved */
763 put_be16(pb, track->enc->width); /* Video width */
764 put_be16(pb, track->height); /* Video height */
765 put_be32(pb, 0x00480000); /* Horizontal resolution 72dpi */
766 put_be32(pb, 0x00480000); /* Vertical resolution 72dpi */
767 put_be32(pb, 0); /* Data size (= 0) */
768 put_be16(pb, 1); /* Frame count (= 1) */
770 memset(compressor_name,0,32);
771 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
772 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
773 strncpy(compressor_name,track->enc->codec->name,31);
774 put_byte(pb, strlen(compressor_name));
775 put_buffer(pb, compressor_name, 31);
777 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
778 put_be16(pb, track->enc->bits_per_coded_sample);
780 put_be16(pb, 0x18); /* Reserved */
781 put_be16(pb, 0xffff); /* Reserved */
782 if(track->tag == MKTAG('m','p','4','v'))
783 mov_write_esds_tag(pb, track);
784 else if(track->enc->codec_id == CODEC_ID_H263)
785 mov_write_d263_tag(pb);
786 else if(track->enc->codec_id == CODEC_ID_SVQ3)
787 mov_write_svq3_tag(pb);
788 else if(track->enc->codec_id == CODEC_ID_DNXHD)
789 mov_write_avid_tag(pb, track);
790 else if(track->enc->codec_id == CODEC_ID_H264) {
791 mov_write_avcc_tag(pb, track);
792 if(track->mode == MODE_IPOD)
793 mov_write_uuid_tag_ipod(pb);
794 } else if(track->vosLen > 0)
795 mov_write_glbl_tag(pb, track);
797 return updateSize(pb, pos);
800 static int mov_write_stsd_tag(ByteIOContext *pb, MOVTrack *track)
802 int64_t pos = url_ftell(pb);
803 put_be32(pb, 0); /* size */
805 put_be32(pb, 0); /* version & flags */
806 put_be32(pb, 1); /* entry count */
807 if (track->enc->codec_type == CODEC_TYPE_VIDEO)
808 mov_write_video_tag(pb, track);
809 else if (track->enc->codec_type == CODEC_TYPE_AUDIO)
810 mov_write_audio_tag(pb, track);
811 else if (track->enc->codec_type == CODEC_TYPE_SUBTITLE)
812 mov_write_subtitle_tag(pb, track);
813 return updateSize(pb, pos);
816 static int mov_write_ctts_tag(ByteIOContext *pb, MOVTrack *track)
818 MOVStts *ctts_entries;
819 uint32_t entries = 0;
823 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
824 ctts_entries[0].count = 1;
825 ctts_entries[0].duration = track->cluster[0].cts;
826 for (i=1; i<track->entry; i++) {
827 if (track->cluster[i].cts == ctts_entries[entries].duration) {
828 ctts_entries[entries].count++; /* compress */
831 ctts_entries[entries].duration = track->cluster[i].cts;
832 ctts_entries[entries].count = 1;
835 entries++; /* last one */
836 atom_size = 16 + (entries * 8);
837 put_be32(pb, atom_size); /* size */
839 put_be32(pb, 0); /* version & flags */
840 put_be32(pb, entries); /* entry count */
841 for (i=0; i<entries; i++) {
842 put_be32(pb, ctts_entries[i].count);
843 put_be32(pb, ctts_entries[i].duration);
845 av_free(ctts_entries);
849 /* Time to sample atom */
850 static int mov_write_stts_tag(ByteIOContext *pb, MOVTrack *track)
852 MOVStts *stts_entries;
853 uint32_t entries = -1;
857 if (track->enc->codec_type == CODEC_TYPE_AUDIO && !track->audio_vbr) {
858 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
859 stts_entries[0].count = track->sampleCount;
860 stts_entries[0].duration = 1;
863 stts_entries = av_malloc(track->entry * sizeof(*stts_entries)); /* worst case */
864 for (i=0; i<track->entry; i++) {
865 int64_t duration = i + 1 == track->entry ?
866 track->trackDuration - track->cluster[i].dts + track->cluster[0].dts : /* readjusting */
867 track->cluster[i+1].dts - track->cluster[i].dts;
868 if (i && duration == stts_entries[entries].duration) {
869 stts_entries[entries].count++; /* compress */
872 stts_entries[entries].duration = duration;
873 stts_entries[entries].count = 1;
876 entries++; /* last one */
878 atom_size = 16 + (entries * 8);
879 put_be32(pb, atom_size); /* size */
881 put_be32(pb, 0); /* version & flags */
882 put_be32(pb, entries); /* entry count */
883 for (i=0; i<entries; i++) {
884 put_be32(pb, stts_entries[i].count);
885 put_be32(pb, stts_entries[i].duration);
887 av_free(stts_entries);
891 static int mov_write_dref_tag(ByteIOContext *pb)
893 put_be32(pb, 28); /* size */
895 put_be32(pb, 0); /* version & flags */
896 put_be32(pb, 1); /* entry count */
898 put_be32(pb, 0xc); /* size */
900 put_be32(pb, 1); /* version & flags */
905 static int mov_write_stbl_tag(ByteIOContext *pb, MOVTrack *track)
907 int64_t pos = url_ftell(pb);
908 put_be32(pb, 0); /* size */
910 mov_write_stsd_tag(pb, track);
911 mov_write_stts_tag(pb, track);
912 if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
913 track->hasKeyframes && track->hasKeyframes < track->entry)
914 mov_write_stss_tag(pb, track);
915 if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
917 mov_write_ctts_tag(pb, track);
918 mov_write_stsc_tag(pb, track);
919 mov_write_stsz_tag(pb, track);
920 mov_write_stco_tag(pb, track);
921 return updateSize(pb, pos);
924 static int mov_write_dinf_tag(ByteIOContext *pb)
926 int64_t pos = url_ftell(pb);
927 put_be32(pb, 0); /* size */
929 mov_write_dref_tag(pb);
930 return updateSize(pb, pos);
933 static int mov_write_nmhd_tag(ByteIOContext *pb)
941 static int mov_write_gmhd_tag(ByteIOContext *pb)
943 put_be32(pb, 0x20); /* size */
945 put_be32(pb, 0x18); /* gmin size */
946 put_tag(pb, "gmin"); /* generic media info */
947 put_be32(pb, 0); /* version & flags */
948 put_be16(pb, 0x40); /* graphics mode = */
949 put_be16(pb, 0x8000); /* opColor (r?) */
950 put_be16(pb, 0x8000); /* opColor (g?) */
951 put_be16(pb, 0x8000); /* opColor (b?) */
952 put_be16(pb, 0); /* balance */
953 put_be16(pb, 0); /* reserved */
957 static int mov_write_smhd_tag(ByteIOContext *pb)
959 put_be32(pb, 16); /* size */
961 put_be32(pb, 0); /* version & flags */
962 put_be16(pb, 0); /* reserved (balance, normally = 0) */
963 put_be16(pb, 0); /* reserved */
967 static int mov_write_vmhd_tag(ByteIOContext *pb)
969 put_be32(pb, 0x14); /* size (always 0x14) */
971 put_be32(pb, 0x01); /* version & flags */
972 put_be64(pb, 0); /* reserved (graphics mode = copy) */
976 static int mov_write_hdlr_tag(ByteIOContext *pb, MOVTrack *track)
978 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
979 int64_t pos = url_ftell(pb);
981 if (!track) { /* no media --> data handler */
984 descr = "DataHandler";
986 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
987 if (track->enc->codec_type == CODEC_TYPE_VIDEO) {
989 descr = "VideoHandler";
990 } else if (track->enc->codec_type == CODEC_TYPE_AUDIO) {
992 descr = "SoundHandler";
993 } else if (track->enc->codec_type == CODEC_TYPE_SUBTITLE) {
994 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
995 else hdlr_type = "text";
996 descr = "SubtitleHandler";
1000 put_be32(pb, 0); /* size */
1001 put_tag(pb, "hdlr");
1002 put_be32(pb, 0); /* Version & flags */
1003 put_buffer(pb, hdlr, 4); /* handler */
1004 put_tag(pb, hdlr_type); /* handler type */
1005 put_be32(pb ,0); /* reserved */
1006 put_be32(pb ,0); /* reserved */
1007 put_be32(pb ,0); /* reserved */
1008 put_byte(pb, strlen(descr)); /* string counter */
1009 put_buffer(pb, descr, strlen(descr)); /* handler description */
1010 return updateSize(pb, pos);
1013 static int mov_write_minf_tag(ByteIOContext *pb, MOVTrack *track)
1015 int64_t pos = url_ftell(pb);
1016 put_be32(pb, 0); /* size */
1017 put_tag(pb, "minf");
1018 if(track->enc->codec_type == CODEC_TYPE_VIDEO)
1019 mov_write_vmhd_tag(pb);
1020 else if (track->enc->codec_type == CODEC_TYPE_AUDIO)
1021 mov_write_smhd_tag(pb);
1022 else if (track->enc->codec_type == CODEC_TYPE_SUBTITLE) {
1023 if (track->tag == MKTAG('t','e','x','t')) mov_write_gmhd_tag(pb);
1024 else mov_write_nmhd_tag(pb);
1026 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1027 mov_write_hdlr_tag(pb, NULL);
1028 mov_write_dinf_tag(pb);
1029 mov_write_stbl_tag(pb, track);
1030 return updateSize(pb, pos);
1033 static int mov_write_mdhd_tag(ByteIOContext *pb, MOVTrack *track)
1035 int version = track->trackDuration < INT32_MAX ? 0 : 1;
1037 (version == 1) ? put_be32(pb, 44) : put_be32(pb, 32); /* size */
1038 put_tag(pb, "mdhd");
1039 put_byte(pb, version);
1040 put_be24(pb, 0); /* flags */
1042 put_be64(pb, track->time);
1043 put_be64(pb, track->time);
1045 put_be32(pb, track->time); /* creation time */
1046 put_be32(pb, track->time); /* modification time */
1048 put_be32(pb, track->timescale); /* time scale (sample rate for audio) */
1049 (version == 1) ? put_be64(pb, track->trackDuration) : put_be32(pb, track->trackDuration); /* duration */
1050 put_be16(pb, track->language); /* language */
1051 put_be16(pb, 0); /* reserved (quality) */
1053 if(version!=0 && track->mode == MODE_MOV){
1054 av_log(NULL, AV_LOG_ERROR,
1055 "FATAL error, file duration too long for timebase, this file will not be\n"
1056 "playable with quicktime. Choose a different timebase or a different\n"
1057 "container format\n");
1063 static int mov_write_mdia_tag(ByteIOContext *pb, MOVTrack *track)
1065 int64_t pos = url_ftell(pb);
1066 put_be32(pb, 0); /* size */
1067 put_tag(pb, "mdia");
1068 mov_write_mdhd_tag(pb, track);
1069 mov_write_hdlr_tag(pb, track);
1070 mov_write_minf_tag(pb, track);
1071 return updateSize(pb, pos);
1074 static int mov_write_tkhd_tag(ByteIOContext *pb, MOVTrack *track, AVStream *st)
1076 int64_t duration = av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP);
1077 int version = duration < INT32_MAX ? 0 : 1;
1079 (version == 1) ? put_be32(pb, 104) : put_be32(pb, 92); /* size */
1080 put_tag(pb, "tkhd");
1081 put_byte(pb, version);
1082 put_be24(pb, 0xf); /* flags (track enabled) */
1084 put_be64(pb, track->time);
1085 put_be64(pb, track->time);
1087 put_be32(pb, track->time); /* creation time */
1088 put_be32(pb, track->time); /* modification time */
1090 put_be32(pb, track->trackID); /* track-id */
1091 put_be32(pb, 0); /* reserved */
1092 (version == 1) ? put_be64(pb, duration) : put_be32(pb, duration);
1094 put_be32(pb, 0); /* reserved */
1095 put_be32(pb, 0); /* reserved */
1096 put_be32(pb, 0x0); /* reserved (Layer & Alternate group) */
1097 /* Volume, only for audio */
1098 if(track->enc->codec_type == CODEC_TYPE_AUDIO)
1099 put_be16(pb, 0x0100);
1102 put_be16(pb, 0); /* reserved */
1104 /* Matrix structure */
1105 put_be32(pb, 0x00010000); /* reserved */
1106 put_be32(pb, 0x0); /* reserved */
1107 put_be32(pb, 0x0); /* reserved */
1108 put_be32(pb, 0x0); /* reserved */
1109 put_be32(pb, 0x00010000); /* reserved */
1110 put_be32(pb, 0x0); /* reserved */
1111 put_be32(pb, 0x0); /* reserved */
1112 put_be32(pb, 0x0); /* reserved */
1113 put_be32(pb, 0x40000000); /* reserved */
1115 /* Track width and height, for visual only */
1116 if(track->enc->codec_type == CODEC_TYPE_VIDEO ||
1117 track->enc->codec_type == CODEC_TYPE_SUBTITLE) {
1118 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1119 if(!sample_aspect_ratio || track->height != track->enc->height)
1120 sample_aspect_ratio = 1;
1121 put_be32(pb, sample_aspect_ratio * track->enc->width*0x10000);
1122 put_be32(pb, track->height*0x10000);
1131 // This box seems important for the psp playback ... without it the movie seems to hang
1132 static int mov_write_edts_tag(ByteIOContext *pb, MOVTrack *track)
1134 put_be32(pb, 0x24); /* size */
1135 put_tag(pb, "edts");
1136 put_be32(pb, 0x1c); /* size */
1137 put_tag(pb, "elst");
1141 put_be32(pb, av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP)); /* duration ... doesn't seem to effect psp */
1143 put_be32(pb, track->cluster[0].cts); /* first pts is cts since dts is 0 */
1144 put_be32(pb, 0x00010000);
1148 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1149 static int mov_write_uuid_tag_psp(ByteIOContext *pb, MOVTrack *mov)
1151 put_be32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1152 put_tag(pb, "uuid");
1153 put_tag(pb, "USMT");
1154 put_be32(pb, 0x21d24fce);
1155 put_be32(pb, 0xbb88695c);
1156 put_be32(pb, 0xfac9c740);
1157 put_be32(pb, 0x1c); // another size here!
1158 put_tag(pb, "MTDT");
1159 put_be32(pb, 0x00010012);
1161 put_be32(pb, 0x55c40000);
1167 static int mov_write_trak_tag(ByteIOContext *pb, MOVTrack *track, AVStream *st)
1169 int64_t pos = url_ftell(pb);
1170 put_be32(pb, 0); /* size */
1171 put_tag(pb, "trak");
1172 mov_write_tkhd_tag(pb, track, st);
1173 if (track->mode == MODE_PSP || track->hasBframes)
1174 mov_write_edts_tag(pb, track); // PSP Movies require edts box
1175 mov_write_mdia_tag(pb, track);
1176 if (track->mode == MODE_PSP)
1177 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
1178 return updateSize(pb, pos);
1182 /* TODO: Not sorted out, but not necessary either */
1183 static int mov_write_iods_tag(ByteIOContext *pb, MOVMuxContext *mov)
1185 put_be32(pb, 0x15); /* size */
1186 put_tag(pb, "iods");
1187 put_be32(pb, 0); /* version & flags */
1188 put_be16(pb, 0x1007);
1190 put_be16(pb, 0x4fff);
1191 put_be16(pb, 0xfffe);
1192 put_be16(pb, 0x01ff);
1197 static int mov_write_mvhd_tag(ByteIOContext *pb, MOVMuxContext *mov)
1199 int maxTrackID = 1, i;
1200 int64_t maxTrackLenTemp, maxTrackLen = 0;
1203 for (i=0; i<mov->nb_streams; i++) {
1204 if(mov->tracks[i].entry > 0) {
1205 maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration, globalTimescale, mov->tracks[i].timescale, AV_ROUND_UP);
1206 if(maxTrackLen < maxTrackLenTemp)
1207 maxTrackLen = maxTrackLenTemp;
1208 if(maxTrackID < mov->tracks[i].trackID)
1209 maxTrackID = mov->tracks[i].trackID;
1213 version = maxTrackLen < UINT32_MAX ? 0 : 1;
1214 (version == 1) ? put_be32(pb, 120) : put_be32(pb, 108); /* size */
1215 put_tag(pb, "mvhd");
1216 put_byte(pb, version);
1217 put_be24(pb, 0); /* flags */
1219 put_be64(pb, mov->time);
1220 put_be64(pb, mov->time);
1222 put_be32(pb, mov->time); /* creation time */
1223 put_be32(pb, mov->time); /* modification time */
1225 put_be32(pb, mov->timescale); /* timescale */
1226 (version == 1) ? put_be64(pb, maxTrackLen) : put_be32(pb, maxTrackLen); /* duration of longest track */
1228 put_be32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1229 put_be16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1230 put_be16(pb, 0); /* reserved */
1231 put_be32(pb, 0); /* reserved */
1232 put_be32(pb, 0); /* reserved */
1234 /* Matrix structure */
1235 put_be32(pb, 0x00010000); /* reserved */
1236 put_be32(pb, 0x0); /* reserved */
1237 put_be32(pb, 0x0); /* reserved */
1238 put_be32(pb, 0x0); /* reserved */
1239 put_be32(pb, 0x00010000); /* reserved */
1240 put_be32(pb, 0x0); /* reserved */
1241 put_be32(pb, 0x0); /* reserved */
1242 put_be32(pb, 0x0); /* reserved */
1243 put_be32(pb, 0x40000000); /* reserved */
1245 put_be32(pb, 0); /* reserved (preview time) */
1246 put_be32(pb, 0); /* reserved (preview duration) */
1247 put_be32(pb, 0); /* reserved (poster time) */
1248 put_be32(pb, 0); /* reserved (selection time) */
1249 put_be32(pb, 0); /* reserved (selection duration) */
1250 put_be32(pb, 0); /* reserved (current time) */
1251 put_be32(pb, maxTrackID+1); /* Next track id */
1255 static int mov_write_itunes_hdlr_tag(ByteIOContext *pb, MOVMuxContext *mov,
1258 int64_t pos = url_ftell(pb);
1259 put_be32(pb, 0); /* size */
1260 put_tag(pb, "hdlr");
1263 put_tag(pb, "mdir");
1264 put_tag(pb, "appl");
1268 return updateSize(pb, pos);
1271 /* helper function to write a data tag with the specified string as data */
1272 static int mov_write_string_data_tag(ByteIOContext *pb, const char *data, int lang, int long_style)
1275 int64_t pos = url_ftell(pb);
1276 put_be32(pb, 0); /* size */
1277 put_tag(pb, "data");
1280 put_buffer(pb, data, strlen(data));
1281 return updateSize(pb, pos);
1283 put_be16(pb, strlen(data)); /* string length */
1285 put_buffer(pb, data, strlen(data));
1286 return strlen(data) + 4;
1290 static int mov_write_string_tag(ByteIOContext *pb, const char *name, const char *value, int lang, int long_style){
1292 if (value && value[0]) {
1293 int64_t pos = url_ftell(pb);
1294 put_be32(pb, 0); /* size */
1296 mov_write_string_data_tag(pb, value, lang, long_style);
1297 size= updateSize(pb, pos);
1302 static int mov_write_string_metadata(AVFormatContext *s, ByteIOContext *pb,
1303 const char *name, const char *tag,
1306 int l, lang = 0, len, len2;
1307 AVMetadataTag *t, *t2 = NULL;
1310 if (!(t = av_metadata_get(s->metadata, tag, NULL, 0)))
1313 len = strlen(t->key);
1314 snprintf(tag2, sizeof(tag2), "%s-", tag);
1315 while ((t2 = av_metadata_get(s->metadata, tag2, t2, AV_METADATA_IGNORE_SUFFIX))) {
1316 len2 = strlen(t2->key);
1317 if (len2 == len+4 && !strcmp(t->value, t2->value)
1318 && (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 0)) >= 0) {
1323 return mov_write_string_tag(pb, name, t->value, lang, long_style);
1326 /* iTunes track number */
1327 static int mov_write_trkn_tag(ByteIOContext *pb, MOVMuxContext *mov,
1330 AVMetadataTag *t = av_metadata_get(s->metadata, "track", NULL, 0);
1331 int size = 0, track = t ? atoi(t->value) : 0;
1333 int64_t pos = url_ftell(pb);
1334 put_be32(pb, 0); /* size */
1335 put_tag(pb, "trkn");
1337 int64_t pos = url_ftell(pb);
1338 put_be32(pb, 0); /* size */
1339 put_tag(pb, "data");
1340 put_be32(pb, 0); // 8 bytes empty
1342 put_be16(pb, 0); // empty
1343 put_be16(pb, track); // track number
1344 put_be16(pb, 0); // total track number
1345 put_be16(pb, 0); // empty
1346 updateSize(pb, pos);
1348 size = updateSize(pb, pos);
1353 /* iTunes meta data list */
1354 static int mov_write_ilst_tag(ByteIOContext *pb, MOVMuxContext *mov,
1357 int64_t pos = url_ftell(pb);
1358 put_be32(pb, 0); /* size */
1359 put_tag(pb, "ilst");
1360 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
1361 mov_write_string_metadata(s, pb, "\251ART", "author" , 1);
1362 mov_write_string_metadata(s, pb, "\251wrt", "author" , 1);
1363 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
1364 mov_write_string_metadata(s, pb, "\251day", "year" , 1);
1365 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
1366 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
1367 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
1368 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
1369 mov_write_trkn_tag(pb, mov, s);
1370 return updateSize(pb, pos);
1373 /* iTunes meta data tag */
1374 static int mov_write_meta_tag(ByteIOContext *pb, MOVMuxContext *mov,
1378 int64_t pos = url_ftell(pb);
1379 put_be32(pb, 0); /* size */
1380 put_tag(pb, "meta");
1382 mov_write_itunes_hdlr_tag(pb, mov, s);
1383 mov_write_ilst_tag(pb, mov, s);
1384 size = updateSize(pb, pos);
1388 static int utf8len(const uint8_t *b)
1393 GET_UTF8(val, *b++, return -1;)
1399 static int ascii_to_wc(ByteIOContext *pb, const uint8_t *b)
1403 GET_UTF8(val, *b++, return -1;)
1410 static uint16_t language_code(const char *str)
1412 return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
1415 static int mov_write_3gp_udta_tag(ByteIOContext *pb, AVFormatContext *s,
1416 const char *tag, const char *str)
1418 int64_t pos = url_ftell(pb);
1419 AVMetadataTag *t = av_metadata_get(s->metadata, str, NULL, 0);
1420 if (!t || !utf8len(t->value))
1422 put_be32(pb, 0); /* size */
1423 put_tag (pb, tag); /* type */
1424 put_be32(pb, 0); /* version + flags */
1425 if (!strcmp(tag, "yrrc"))
1426 put_be16(pb, atoi(t->value));
1428 put_be16(pb, language_code("eng")); /* language */
1429 ascii_to_wc(pb, t->value);
1430 if (!strcmp(tag, "albm") &&
1431 (t = av_metadata_get(s->metadata, "year", NULL, 0)))
1432 put_byte(pb, atoi(t->value));
1434 return updateSize(pb, pos);
1437 static int mov_write_udta_tag(ByteIOContext *pb, MOVMuxContext *mov,
1440 ByteIOContext *pb_buf;
1444 for (i = 0; i < s->nb_streams; i++)
1445 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
1449 ret = url_open_dyn_buf(&pb_buf);
1453 if (mov->mode & MODE_3GP) {
1454 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
1455 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
1456 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
1457 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
1458 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
1459 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
1460 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "year");
1461 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
1462 mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0);
1463 mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0);
1464 mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0);
1465 mov_write_string_metadata(s, pb_buf, "\251day", "year" , 0);
1466 mov_write_string_tag(pb_buf, "\251enc", LIBAVFORMAT_IDENT, 0, 0);
1467 mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0);
1468 mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0);
1469 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0);
1471 /* iTunes meta data */
1472 mov_write_meta_tag(pb_buf, mov, s);
1475 if ((size = url_close_dyn_buf(pb_buf, &buf)) > 0) {
1476 put_be32(pb, size+8);
1477 put_tag(pb, "udta");
1478 put_buffer(pb, buf, size);
1485 static void mov_write_psp_udta_tag(ByteIOContext *pb,
1486 const char *str, const char *lang, int type)
1488 int len = utf8len(str)+1;
1491 put_be16(pb, len*2+10); /* size */
1492 put_be32(pb, type); /* type */
1493 put_be16(pb, language_code(lang)); /* language */
1494 put_be16(pb, 0x01); /* ? */
1495 ascii_to_wc(pb, str);
1498 static int mov_write_uuidusmt_tag(ByteIOContext *pb, AVFormatContext *s)
1500 AVMetadataTag *title = av_metadata_get(s->metadata, "title", NULL, 0);
1504 pos = url_ftell(pb);
1505 put_be32(pb, 0); /* size placeholder*/
1506 put_tag(pb, "uuid");
1507 put_tag(pb, "USMT");
1508 put_be32(pb, 0x21d24fce); /* 96 bit UUID */
1509 put_be32(pb, 0xbb88695c);
1510 put_be32(pb, 0xfac9c740);
1512 pos2 = url_ftell(pb);
1513 put_be32(pb, 0); /* size placeholder*/
1514 put_tag(pb, "MTDT");
1518 put_be16(pb, 0x0C); /* size */
1519 put_be32(pb, 0x0B); /* type */
1520 put_be16(pb, language_code("und")); /* language */
1521 put_be16(pb, 0x0); /* ? */
1522 put_be16(pb, 0x021C); /* data */
1524 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
1525 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
1526 // 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);
1527 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
1529 updateSize(pb, pos2);
1530 return updateSize(pb, pos);
1536 static int mov_write_moov_tag(ByteIOContext *pb, MOVMuxContext *mov,
1540 int64_t pos = url_ftell(pb);
1541 put_be32(pb, 0); /* size placeholder*/
1542 put_tag(pb, "moov");
1543 mov->timescale = globalTimescale;
1545 for (i=0; i<mov->nb_streams; i++) {
1546 if(mov->tracks[i].entry <= 0) continue;
1548 mov->tracks[i].time = mov->time;
1549 mov->tracks[i].trackID = i+1;
1552 mov_write_mvhd_tag(pb, mov);
1553 //mov_write_iods_tag(pb, mov);
1554 for (i=0; i<mov->nb_streams; i++) {
1555 if(mov->tracks[i].entry > 0) {
1556 mov_write_trak_tag(pb, &(mov->tracks[i]), s->streams[i]);
1560 if (mov->mode == MODE_PSP)
1561 mov_write_uuidusmt_tag(pb, s);
1563 mov_write_udta_tag(pb, mov, s);
1565 return updateSize(pb, pos);
1568 static int mov_write_mdat_tag(ByteIOContext *pb, MOVMuxContext *mov)
1570 put_be32(pb, 8); // placeholder for extended size field (64 bit)
1571 put_tag(pb, mov->mode == MODE_MOV ? "wide" : "free");
1573 mov->mdat_pos = url_ftell(pb);
1574 put_be32(pb, 0); /* size placeholder*/
1575 put_tag(pb, "mdat");
1579 /* TODO: This needs to be more general */
1580 static int mov_write_ftyp_tag(ByteIOContext *pb, AVFormatContext *s)
1582 MOVMuxContext *mov = s->priv_data;
1583 int64_t pos = url_ftell(pb);
1584 int has_h264 = 0, has_video = 0;
1588 for (i = 0; i < s->nb_streams; i++) {
1589 AVStream *st = s->streams[i];
1590 if (st->codec->codec_type == CODEC_TYPE_VIDEO)
1592 if (st->codec->codec_id == CODEC_ID_H264)
1596 put_be32(pb, 0); /* size */
1597 put_tag(pb, "ftyp");
1599 if (mov->mode == MODE_3GP) {
1600 put_tag(pb, has_h264 ? "3gp6" : "3gp4");
1601 minor = has_h264 ? 0x100 : 0x200;
1602 } else if (mov->mode & MODE_3G2) {
1603 put_tag(pb, has_h264 ? "3g2b" : "3g2a");
1604 minor = has_h264 ? 0x20000 : 0x10000;
1605 }else if (mov->mode == MODE_PSP)
1606 put_tag(pb, "MSNV");
1607 else if (mov->mode == MODE_MP4)
1608 put_tag(pb, "isom");
1609 else if (mov->mode == MODE_IPOD)
1610 put_tag(pb, has_video ? "M4V ":"M4A ");
1614 put_be32(pb, minor);
1616 if(mov->mode == MODE_MOV)
1619 put_tag(pb, "isom");
1620 put_tag(pb, "iso2");
1622 put_tag(pb, "avc1");
1625 if (mov->mode == MODE_3GP)
1626 put_tag(pb, has_h264 ? "3gp6":"3gp4");
1627 else if (mov->mode & MODE_3G2)
1628 put_tag(pb, has_h264 ? "3g2b":"3g2a");
1629 else if (mov->mode == MODE_PSP)
1630 put_tag(pb, "MSNV");
1631 else if (mov->mode == MODE_MP4)
1632 put_tag(pb, "mp41");
1633 return updateSize(pb, pos);
1636 static void mov_write_uuidprof_tag(ByteIOContext *pb, AVFormatContext *s)
1638 AVCodecContext *VideoCodec = s->streams[0]->codec;
1639 AVCodecContext *AudioCodec = s->streams[1]->codec;
1640 int AudioRate = AudioCodec->sample_rate;
1641 int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num);
1642 int audio_kbitrate= AudioCodec->bit_rate / 1000;
1643 int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate);
1645 put_be32(pb, 0x94); /* size */
1646 put_tag(pb, "uuid");
1647 put_tag(pb, "PROF");
1649 put_be32(pb, 0x21d24fce); /* 96 bit UUID */
1650 put_be32(pb, 0xbb88695c);
1651 put_be32(pb, 0xfac9c740);
1653 put_be32(pb, 0x0); /* ? */
1654 put_be32(pb, 0x3); /* 3 sections ? */
1656 put_be32(pb, 0x14); /* size */
1657 put_tag(pb, "FPRF");
1658 put_be32(pb, 0x0); /* ? */
1659 put_be32(pb, 0x0); /* ? */
1660 put_be32(pb, 0x0); /* ? */
1662 put_be32(pb, 0x2c); /* size */
1663 put_tag(pb, "APRF"); /* audio */
1665 put_be32(pb, 0x2); /* TrackID */
1666 put_tag(pb, "mp4a");
1667 put_be32(pb, 0x20f);
1669 put_be32(pb, audio_kbitrate);
1670 put_be32(pb, audio_kbitrate);
1671 put_be32(pb, AudioRate);
1672 put_be32(pb, AudioCodec->channels);
1674 put_be32(pb, 0x34); /* size */
1675 put_tag(pb, "VPRF"); /* video */
1677 put_be32(pb, 0x1); /* TrackID */
1678 if (VideoCodec->codec_id == CODEC_ID_H264) {
1679 put_tag(pb, "avc1");
1680 put_be16(pb, 0x014D);
1681 put_be16(pb, 0x0015);
1683 put_tag(pb, "mp4v");
1684 put_be16(pb, 0x0000);
1685 put_be16(pb, 0x0103);
1688 put_be32(pb, video_kbitrate);
1689 put_be32(pb, video_kbitrate);
1690 put_be32(pb, FrameRate);
1691 put_be32(pb, FrameRate);
1692 put_be16(pb, VideoCodec->width);
1693 put_be16(pb, VideoCodec->height);
1694 put_be32(pb, 0x010001); /* ? */
1697 static int mov_write_header(AVFormatContext *s)
1699 ByteIOContext *pb = s->pb;
1700 MOVMuxContext *mov = s->priv_data;
1703 if (url_is_streamed(s->pb)) {
1704 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
1708 /* Default mode == MP4 */
1709 mov->mode = MODE_MP4;
1711 if (s->oformat != NULL) {
1712 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
1713 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
1714 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
1715 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
1716 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
1718 mov_write_ftyp_tag(pb,s);
1719 if (mov->mode == MODE_PSP) {
1720 if (s->nb_streams != 2) {
1721 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
1724 mov_write_uuidprof_tag(pb,s);
1728 mov->tracks = av_mallocz(s->nb_streams*sizeof(*mov->tracks));
1730 return AVERROR(ENOMEM);
1732 for(i=0; i<s->nb_streams; i++){
1733 AVStream *st= s->streams[i];
1734 MOVTrack *track= &mov->tracks[i];
1735 AVMetadataTag *lang = av_metadata_get(st->metadata, "language", NULL,0);
1737 track->enc = st->codec;
1738 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
1739 if (track->language < 0)
1740 track->language = 0;
1741 track->mode = mov->mode;
1742 track->tag = mov_find_codec_tag(s, track);
1744 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
1745 "codec not currently supported in container\n", i);
1748 if(st->codec->codec_type == CODEC_TYPE_VIDEO){
1749 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
1750 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
1751 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
1752 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
1753 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
1756 track->height = track->tag>>24 == 'n' ? 486 : 576;
1758 track->timescale = st->codec->time_base.den;
1759 av_set_pts_info(st, 64, 1, st->codec->time_base.den);
1760 if (track->mode == MODE_MOV && track->timescale > 100000)
1761 av_log(s, AV_LOG_WARNING,
1762 "WARNING codec timebase is very high. If duration is too long,\n"
1763 "file may not be playable by quicktime. Specify a shorter timebase\n"
1764 "or choose different container.\n");
1765 }else if(st->codec->codec_type == CODEC_TYPE_AUDIO){
1766 track->timescale = st->codec->sample_rate;
1767 av_set_pts_info(st, 64, 1, st->codec->sample_rate);
1768 if(!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
1769 av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
1771 }else if(st->codec->frame_size > 1){ /* assume compressed audio */
1772 track->audio_vbr = 1;
1774 st->codec->frame_size = 1;
1775 track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
1777 if(track->mode != MODE_MOV &&
1778 track->enc->codec_id == CODEC_ID_MP3 && track->enc->sample_rate < 16000){
1779 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
1780 i, track->enc->sample_rate);
1783 }else if(st->codec->codec_type == CODEC_TYPE_SUBTITLE){
1784 track->timescale = st->codec->time_base.den;
1785 av_set_pts_info(st, 64, 1, st->codec->time_base.den);
1788 track->height = st->codec->height;
1791 mov_write_mdat_tag(pb, mov);
1792 mov->time = s->timestamp + 0x7C25B080; //1970 based -> 1904 based
1793 mov->nb_streams = s->nb_streams;
1795 put_flush_packet(pb);
1799 av_freep(&mov->tracks);
1803 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
1805 MOVMuxContext *mov = s->priv_data;
1806 ByteIOContext *pb = s->pb;
1807 MOVTrack *trk = &mov->tracks[pkt->stream_index];
1808 AVCodecContext *enc = trk->enc;
1809 unsigned int samplesInChunk = 0;
1810 int size= pkt->size;
1812 if (url_is_streamed(s->pb)) return 0; /* Can't handle that */
1813 if (!size) return 0; /* Discard 0 sized packets */
1815 if (enc->codec_id == CODEC_ID_AMR_NB) {
1816 /* We must find out how many AMR blocks there are in one packet */
1817 static uint16_t packed_size[16] =
1818 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 0};
1821 while (len < size && samplesInChunk < 100) {
1822 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
1825 if(samplesInChunk > 1){
1826 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
1829 } else if (trk->sampleSize)
1830 samplesInChunk = size/trk->sampleSize;
1834 /* copy extradata if it exists */
1835 if (trk->vosLen == 0 && enc->extradata_size > 0) {
1836 trk->vosLen = enc->extradata_size;
1837 trk->vosData = av_malloc(trk->vosLen);
1838 memcpy(trk->vosData, enc->extradata, trk->vosLen);
1841 if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) {
1842 /* from x264 or from bytestream h264 */
1843 /* nal reformating needed */
1844 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
1846 put_buffer(pb, pkt->data, size);
1849 if ((enc->codec_id == CODEC_ID_DNXHD ||
1850 enc->codec_id == CODEC_ID_AC3) && !trk->vosLen) {
1851 /* copy frame to create needed atoms */
1853 trk->vosData = av_malloc(size);
1855 return AVERROR(ENOMEM);
1856 memcpy(trk->vosData, pkt->data, size);
1859 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
1860 trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster));
1865 trk->cluster[trk->entry].pos = url_ftell(pb) - size;
1866 trk->cluster[trk->entry].samplesInChunk = samplesInChunk;
1867 trk->cluster[trk->entry].size = size;
1868 trk->cluster[trk->entry].entries = samplesInChunk;
1869 trk->cluster[trk->entry].dts = pkt->dts;
1870 trk->trackDuration = pkt->dts - trk->cluster[0].dts + pkt->duration;
1872 if (pkt->pts == AV_NOPTS_VALUE) {
1873 av_log(s, AV_LOG_WARNING, "pts has no value\n");
1874 pkt->pts = pkt->dts;
1876 if (pkt->dts != pkt->pts)
1877 trk->hasBframes = 1;
1878 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
1879 trk->cluster[trk->entry].key_frame = !!(pkt->flags & PKT_FLAG_KEY);
1880 if(trk->cluster[trk->entry].key_frame)
1881 trk->hasKeyframes++;
1883 trk->sampleCount += samplesInChunk;
1884 mov->mdat_size += size;
1886 put_flush_packet(pb);
1890 static int mov_write_trailer(AVFormatContext *s)
1892 MOVMuxContext *mov = s->priv_data;
1893 ByteIOContext *pb = s->pb;
1897 int64_t moov_pos = url_ftell(pb);
1899 /* Write size of mdat tag */
1900 if (mov->mdat_size+8 <= UINT32_MAX) {
1901 url_fseek(pb, mov->mdat_pos, SEEK_SET);
1902 put_be32(pb, mov->mdat_size+8);
1904 /* overwrite 'wide' placeholder atom */
1905 url_fseek(pb, mov->mdat_pos - 8, SEEK_SET);
1906 put_be32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */
1907 put_tag(pb, "mdat");
1908 put_be64(pb, mov->mdat_size+16);
1910 url_fseek(pb, moov_pos, SEEK_SET);
1912 mov_write_moov_tag(pb, mov, s);
1914 for (i=0; i<mov->nb_streams; i++) {
1915 av_freep(&mov->tracks[i].cluster);
1917 if(mov->tracks[i].vosLen) av_free(mov->tracks[i].vosData);
1921 put_flush_packet(pb);
1923 av_freep(&mov->tracks);
1928 #if CONFIG_MOV_MUXER
1929 AVOutputFormat mov_muxer = {
1931 NULL_IF_CONFIG_SMALL("MOV format"),
1934 sizeof(MOVMuxContext),
1940 .flags = AVFMT_GLOBALHEADER | AVFMT_VARIABLE_FPS,
1941 .codec_tag = (const AVCodecTag* const []){codec_movvideo_tags, codec_movaudio_tags, 0},
1944 #if CONFIG_TGP_MUXER
1945 AVOutputFormat tgp_muxer = {
1947 NULL_IF_CONFIG_SMALL("3GP format"),
1950 sizeof(MOVMuxContext),
1956 .flags = AVFMT_GLOBALHEADER,
1957 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
1960 #if CONFIG_MP4_MUXER
1961 AVOutputFormat mp4_muxer = {
1963 NULL_IF_CONFIG_SMALL("MP4 format"),
1966 sizeof(MOVMuxContext),
1972 .flags = AVFMT_GLOBALHEADER | AVFMT_VARIABLE_FPS,
1973 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
1976 #if CONFIG_PSP_MUXER
1977 AVOutputFormat psp_muxer = {
1979 NULL_IF_CONFIG_SMALL("PSP MP4 format"),
1982 sizeof(MOVMuxContext),
1988 .flags = AVFMT_GLOBALHEADER,
1989 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
1992 #if CONFIG_TG2_MUXER
1993 AVOutputFormat tg2_muxer = {
1995 NULL_IF_CONFIG_SMALL("3GP2 format"),
1998 sizeof(MOVMuxContext),
2004 .flags = AVFMT_GLOBALHEADER,
2005 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
2008 #if CONFIG_IPOD_MUXER
2009 AVOutputFormat ipod_muxer = {
2011 NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"),
2014 sizeof(MOVMuxContext),
2020 .flags = AVFMT_GLOBALHEADER,
2021 .codec_tag = (const AVCodecTag* const []){codec_ipod_tags, 0},