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 int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
551 int tag = track->enc->codec_tag;
553 if (!codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
556 if (track->enc->codec_id == CODEC_ID_H264) tag = MKTAG('a','v','c','1');
557 else if (track->enc->codec_id == CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
558 else if (track->enc->codec_id == CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
559 else if (track->enc->codec_id == CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
560 else if (track->enc->codec_type == CODEC_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
561 else if (track->enc->codec_type == CODEC_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
566 static const AVCodecTag codec_ipod_tags[] = {
567 { CODEC_ID_H264, MKTAG('a','v','c','1') },
568 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
569 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
570 { CODEC_ID_ALAC, MKTAG('a','l','a','c') },
571 { CODEC_ID_AC3, MKTAG('a','c','-','3') },
572 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
573 { CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
574 { CODEC_ID_NONE, 0 },
577 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
579 int tag = track->enc->codec_tag;
581 // keep original tag for subs, ipod supports both formats
582 if (!(track->enc->codec_type == CODEC_TYPE_SUBTITLE &&
583 (tag == MKTAG('t','x','3','g') ||
584 tag == MKTAG('t','e','x','t'))))
585 tag = codec_get_tag(codec_ipod_tags, track->enc->codec_id);
587 if (!match_ext(s->filename, "m4a") && !match_ext(s->filename, "m4v"))
588 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
589 "Quicktime/Ipod might not play the file\n");
594 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
598 if (track->enc->height == 480) /* NTSC */
599 if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
600 else tag = MKTAG('d','v','c',' ');
601 else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
602 else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
603 else tag = MKTAG('d','v','p','p');
608 static const struct {
609 enum PixelFormat pix_fmt;
612 } mov_pix_fmt_tags[] = {
613 { PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
614 { PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
615 { PIX_FMT_BGR555, MKTAG('r','a','w',' '), 16 },
616 { PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
617 { PIX_FMT_BGR32_1, MKTAG('r','a','w',' '), 32 },
620 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
622 int tag = track->enc->codec_tag;
625 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
626 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
627 tag = mov_pix_fmt_tags[i].tag;
628 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
636 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
638 int tag = track->enc->codec_tag;
640 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
641 (tag == MKTAG('d','v','c','p') ||
642 track->enc->codec_id == CODEC_ID_RAWVIDEO ||
643 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
644 if (track->enc->codec_id == CODEC_ID_DVVIDEO)
645 tag = mov_get_dv_codec_tag(s, track);
646 else if (track->enc->codec_id == CODEC_ID_RAWVIDEO)
647 tag = mov_get_rawvideo_codec_tag(s, track);
648 else if (track->enc->codec_type == CODEC_TYPE_VIDEO) {
649 tag = codec_get_tag(codec_movvideo_tags, track->enc->codec_id);
650 if (!tag) { // if no mac fcc found, try with Microsoft tags
651 tag = codec_get_tag(codec_bmp_tags, track->enc->codec_id);
653 av_log(s, AV_LOG_INFO, "Warning, using MS style video codec tag, "
654 "the file may be unplayable!\n");
656 } else if (track->enc->codec_type == CODEC_TYPE_AUDIO) {
657 tag = codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
658 if (!tag) { // if no mac fcc found, try with Microsoft tags
659 int ms_tag = codec_get_tag(codec_wav_tags, track->enc->codec_id);
661 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
662 av_log(s, AV_LOG_INFO, "Warning, using MS style audio codec tag, "
663 "the file may be unplayable!\n");
666 } else if (track->enc->codec_type == CODEC_TYPE_SUBTITLE)
667 tag = codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
673 static const AVCodecTag codec_3gp_tags[] = {
674 { CODEC_ID_H263, MKTAG('s','2','6','3') },
675 { CODEC_ID_H264, MKTAG('a','v','c','1') },
676 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
677 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
678 { CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
679 { CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
680 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
681 { CODEC_ID_NONE, 0 },
684 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
686 int tag = track->enc->codec_tag;
688 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
689 tag = mp4_get_codec_tag(s, track);
690 else if (track->mode == MODE_IPOD)
691 tag = ipod_get_codec_tag(s, track);
692 else if (track->mode & MODE_3GP)
693 tag = codec_get_tag(codec_3gp_tags, track->enc->codec_id);
695 tag = mov_get_codec_tag(s, track);
701 * Needed to make file play in iPods running newest firmware
702 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
704 static int mov_write_uuid_tag_ipod(ByteIOContext *pb)
708 put_be32(pb, 0x6b6840f2);
709 put_be32(pb, 0x5f244fc5);
710 put_be32(pb, 0xba39a51b);
711 put_be32(pb, 0xcf0323f3);
716 static int mov_write_subtitle_tag(ByteIOContext *pb, MOVTrack *track)
718 int64_t pos = url_ftell(pb);
719 put_be32(pb, 0); /* size */
720 put_le32(pb, track->tag); // store it byteswapped
721 put_be32(pb, 0); /* Reserved */
722 put_be16(pb, 0); /* Reserved */
723 put_be16(pb, 1); /* Data-reference index */
725 if (track->enc->extradata_size)
726 put_buffer(pb, track->enc->extradata, track->enc->extradata_size);
728 return updateSize(pb, pos);
731 static int mov_write_video_tag(ByteIOContext *pb, MOVTrack *track)
733 int64_t pos = url_ftell(pb);
734 char compressor_name[32];
736 put_be32(pb, 0); /* size */
737 put_le32(pb, track->tag); // store it byteswapped
738 put_be32(pb, 0); /* Reserved */
739 put_be16(pb, 0); /* Reserved */
740 put_be16(pb, 1); /* Data-reference index */
742 put_be16(pb, 0); /* Codec stream version */
743 put_be16(pb, 0); /* Codec stream revision (=0) */
744 if (track->mode == MODE_MOV) {
745 put_tag(pb, "FFMP"); /* Vendor */
746 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
747 put_be32(pb, 0); /* Temporal Quality */
748 put_be32(pb, 0x400); /* Spatial Quality = lossless*/
750 put_be32(pb, 0x200); /* Temporal Quality = normal */
751 put_be32(pb, 0x200); /* Spatial Quality = normal */
754 put_be32(pb, 0); /* Reserved */
755 put_be32(pb, 0); /* Reserved */
756 put_be32(pb, 0); /* Reserved */
758 put_be16(pb, track->enc->width); /* Video width */
759 put_be16(pb, track->height); /* Video height */
760 put_be32(pb, 0x00480000); /* Horizontal resolution 72dpi */
761 put_be32(pb, 0x00480000); /* Vertical resolution 72dpi */
762 put_be32(pb, 0); /* Data size (= 0) */
763 put_be16(pb, 1); /* Frame count (= 1) */
765 memset(compressor_name,0,32);
766 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
767 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
768 strncpy(compressor_name,track->enc->codec->name,31);
769 put_byte(pb, strlen(compressor_name));
770 put_buffer(pb, compressor_name, 31);
772 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
773 put_be16(pb, track->enc->bits_per_coded_sample);
775 put_be16(pb, 0x18); /* Reserved */
776 put_be16(pb, 0xffff); /* Reserved */
777 if(track->tag == MKTAG('m','p','4','v'))
778 mov_write_esds_tag(pb, track);
779 else if(track->enc->codec_id == CODEC_ID_H263)
780 mov_write_d263_tag(pb);
781 else if(track->enc->codec_id == CODEC_ID_SVQ3)
782 mov_write_svq3_tag(pb);
783 else if(track->enc->codec_id == CODEC_ID_DNXHD)
784 mov_write_avid_tag(pb, track);
785 else if(track->enc->codec_id == CODEC_ID_H264) {
786 mov_write_avcc_tag(pb, track);
787 if(track->mode == MODE_IPOD)
788 mov_write_uuid_tag_ipod(pb);
789 } else if(track->vosLen > 0)
790 mov_write_glbl_tag(pb, track);
792 return updateSize(pb, pos);
795 static int mov_write_stsd_tag(ByteIOContext *pb, MOVTrack *track)
797 int64_t pos = url_ftell(pb);
798 put_be32(pb, 0); /* size */
800 put_be32(pb, 0); /* version & flags */
801 put_be32(pb, 1); /* entry count */
802 if (track->enc->codec_type == CODEC_TYPE_VIDEO)
803 mov_write_video_tag(pb, track);
804 else if (track->enc->codec_type == CODEC_TYPE_AUDIO)
805 mov_write_audio_tag(pb, track);
806 else if (track->enc->codec_type == CODEC_TYPE_SUBTITLE)
807 mov_write_subtitle_tag(pb, track);
808 return updateSize(pb, pos);
811 static int mov_write_ctts_tag(ByteIOContext *pb, MOVTrack *track)
813 MOVStts *ctts_entries;
814 uint32_t entries = 0;
818 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
819 ctts_entries[0].count = 1;
820 ctts_entries[0].duration = track->cluster[0].cts;
821 for (i=1; i<track->entry; i++) {
822 if (track->cluster[i].cts == ctts_entries[entries].duration) {
823 ctts_entries[entries].count++; /* compress */
826 ctts_entries[entries].duration = track->cluster[i].cts;
827 ctts_entries[entries].count = 1;
830 entries++; /* last one */
831 atom_size = 16 + (entries * 8);
832 put_be32(pb, atom_size); /* size */
834 put_be32(pb, 0); /* version & flags */
835 put_be32(pb, entries); /* entry count */
836 for (i=0; i<entries; i++) {
837 put_be32(pb, ctts_entries[i].count);
838 put_be32(pb, ctts_entries[i].duration);
840 av_free(ctts_entries);
844 /* Time to sample atom */
845 static int mov_write_stts_tag(ByteIOContext *pb, MOVTrack *track)
847 MOVStts *stts_entries;
848 uint32_t entries = -1;
852 if (track->enc->codec_type == CODEC_TYPE_AUDIO && !track->audio_vbr) {
853 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
854 stts_entries[0].count = track->sampleCount;
855 stts_entries[0].duration = 1;
858 stts_entries = av_malloc(track->entry * sizeof(*stts_entries)); /* worst case */
859 for (i=0; i<track->entry; i++) {
860 int64_t duration = i + 1 == track->entry ?
861 track->trackDuration - track->cluster[i].dts + track->cluster[0].dts : /* readjusting */
862 track->cluster[i+1].dts - track->cluster[i].dts;
863 if (i && duration == stts_entries[entries].duration) {
864 stts_entries[entries].count++; /* compress */
867 stts_entries[entries].duration = duration;
868 stts_entries[entries].count = 1;
871 entries++; /* last one */
873 atom_size = 16 + (entries * 8);
874 put_be32(pb, atom_size); /* size */
876 put_be32(pb, 0); /* version & flags */
877 put_be32(pb, entries); /* entry count */
878 for (i=0; i<entries; i++) {
879 put_be32(pb, stts_entries[i].count);
880 put_be32(pb, stts_entries[i].duration);
882 av_free(stts_entries);
886 static int mov_write_dref_tag(ByteIOContext *pb)
888 put_be32(pb, 28); /* size */
890 put_be32(pb, 0); /* version & flags */
891 put_be32(pb, 1); /* entry count */
893 put_be32(pb, 0xc); /* size */
895 put_be32(pb, 1); /* version & flags */
900 static int mov_write_stbl_tag(ByteIOContext *pb, MOVTrack *track)
902 int64_t pos = url_ftell(pb);
903 put_be32(pb, 0); /* size */
905 mov_write_stsd_tag(pb, track);
906 mov_write_stts_tag(pb, track);
907 if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
908 track->hasKeyframes && track->hasKeyframes < track->entry)
909 mov_write_stss_tag(pb, track);
910 if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
912 mov_write_ctts_tag(pb, track);
913 mov_write_stsc_tag(pb, track);
914 mov_write_stsz_tag(pb, track);
915 mov_write_stco_tag(pb, track);
916 return updateSize(pb, pos);
919 static int mov_write_dinf_tag(ByteIOContext *pb)
921 int64_t pos = url_ftell(pb);
922 put_be32(pb, 0); /* size */
924 mov_write_dref_tag(pb);
925 return updateSize(pb, pos);
928 static int mov_write_nmhd_tag(ByteIOContext *pb)
936 static int mov_write_gmhd_tag(ByteIOContext *pb)
938 put_be32(pb, 0x20); /* size */
940 put_be32(pb, 0x18); /* gmin size */
941 put_tag(pb, "gmin"); /* generic media info */
942 put_be32(pb, 0); /* version & flags */
943 put_be16(pb, 0x40); /* graphics mode = */
944 put_be16(pb, 0x8000); /* opColor (r?) */
945 put_be16(pb, 0x8000); /* opColor (g?) */
946 put_be16(pb, 0x8000); /* opColor (b?) */
947 put_be16(pb, 0); /* balance */
948 put_be16(pb, 0); /* reserved */
952 static int mov_write_smhd_tag(ByteIOContext *pb)
954 put_be32(pb, 16); /* size */
956 put_be32(pb, 0); /* version & flags */
957 put_be16(pb, 0); /* reserved (balance, normally = 0) */
958 put_be16(pb, 0); /* reserved */
962 static int mov_write_vmhd_tag(ByteIOContext *pb)
964 put_be32(pb, 0x14); /* size (always 0x14) */
966 put_be32(pb, 0x01); /* version & flags */
967 put_be64(pb, 0); /* reserved (graphics mode = copy) */
971 static int mov_write_hdlr_tag(ByteIOContext *pb, MOVTrack *track)
973 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
974 int64_t pos = url_ftell(pb);
976 if (!track) { /* no media --> data handler */
979 descr = "DataHandler";
981 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
982 if (track->enc->codec_type == CODEC_TYPE_VIDEO) {
984 descr = "VideoHandler";
985 } else if (track->enc->codec_type == CODEC_TYPE_AUDIO) {
987 descr = "SoundHandler";
988 } else if (track->enc->codec_type == CODEC_TYPE_SUBTITLE) {
989 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
990 else hdlr_type = "text";
991 descr = "SubtitleHandler";
995 put_be32(pb, 0); /* size */
997 put_be32(pb, 0); /* Version & flags */
998 put_buffer(pb, hdlr, 4); /* handler */
999 put_tag(pb, hdlr_type); /* handler type */
1000 put_be32(pb ,0); /* reserved */
1001 put_be32(pb ,0); /* reserved */
1002 put_be32(pb ,0); /* reserved */
1003 put_byte(pb, strlen(descr)); /* string counter */
1004 put_buffer(pb, descr, strlen(descr)); /* handler description */
1005 return updateSize(pb, pos);
1008 static int mov_write_minf_tag(ByteIOContext *pb, MOVTrack *track)
1010 int64_t pos = url_ftell(pb);
1011 put_be32(pb, 0); /* size */
1012 put_tag(pb, "minf");
1013 if(track->enc->codec_type == CODEC_TYPE_VIDEO)
1014 mov_write_vmhd_tag(pb);
1015 else if (track->enc->codec_type == CODEC_TYPE_AUDIO)
1016 mov_write_smhd_tag(pb);
1017 else if (track->enc->codec_type == CODEC_TYPE_SUBTITLE) {
1018 if (track->tag == MKTAG('t','e','x','t')) mov_write_gmhd_tag(pb);
1019 else mov_write_nmhd_tag(pb);
1021 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1022 mov_write_hdlr_tag(pb, NULL);
1023 mov_write_dinf_tag(pb);
1024 mov_write_stbl_tag(pb, track);
1025 return updateSize(pb, pos);
1028 static int mov_write_mdhd_tag(ByteIOContext *pb, MOVTrack *track)
1030 int version = track->trackDuration < INT32_MAX ? 0 : 1;
1032 (version == 1) ? put_be32(pb, 44) : put_be32(pb, 32); /* size */
1033 put_tag(pb, "mdhd");
1034 put_byte(pb, version);
1035 put_be24(pb, 0); /* flags */
1037 put_be64(pb, track->time);
1038 put_be64(pb, track->time);
1040 put_be32(pb, track->time); /* creation time */
1041 put_be32(pb, track->time); /* modification time */
1043 put_be32(pb, track->timescale); /* time scale (sample rate for audio) */
1044 (version == 1) ? put_be64(pb, track->trackDuration) : put_be32(pb, track->trackDuration); /* duration */
1045 put_be16(pb, track->language); /* language */
1046 put_be16(pb, 0); /* reserved (quality) */
1048 if(version!=0 && track->mode == MODE_MOV){
1049 av_log(NULL, AV_LOG_ERROR,
1050 "FATAL error, file duration too long for timebase, this file will not be\n"
1051 "playable with quicktime. Choose a different timebase or a different\n"
1052 "container format\n");
1058 static int mov_write_mdia_tag(ByteIOContext *pb, MOVTrack *track)
1060 int64_t pos = url_ftell(pb);
1061 put_be32(pb, 0); /* size */
1062 put_tag(pb, "mdia");
1063 mov_write_mdhd_tag(pb, track);
1064 mov_write_hdlr_tag(pb, track);
1065 mov_write_minf_tag(pb, track);
1066 return updateSize(pb, pos);
1069 static int mov_write_tkhd_tag(ByteIOContext *pb, MOVTrack *track, AVStream *st)
1071 int64_t duration = av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP);
1072 int version = duration < INT32_MAX ? 0 : 1;
1074 (version == 1) ? put_be32(pb, 104) : put_be32(pb, 92); /* size */
1075 put_tag(pb, "tkhd");
1076 put_byte(pb, version);
1077 put_be24(pb, 0xf); /* flags (track enabled) */
1079 put_be64(pb, track->time);
1080 put_be64(pb, track->time);
1082 put_be32(pb, track->time); /* creation time */
1083 put_be32(pb, track->time); /* modification time */
1085 put_be32(pb, track->trackID); /* track-id */
1086 put_be32(pb, 0); /* reserved */
1087 (version == 1) ? put_be64(pb, duration) : put_be32(pb, duration);
1089 put_be32(pb, 0); /* reserved */
1090 put_be32(pb, 0); /* reserved */
1091 put_be32(pb, 0x0); /* reserved (Layer & Alternate group) */
1092 /* Volume, only for audio */
1093 if(track->enc->codec_type == CODEC_TYPE_AUDIO)
1094 put_be16(pb, 0x0100);
1097 put_be16(pb, 0); /* reserved */
1099 /* Matrix structure */
1100 put_be32(pb, 0x00010000); /* reserved */
1101 put_be32(pb, 0x0); /* reserved */
1102 put_be32(pb, 0x0); /* reserved */
1103 put_be32(pb, 0x0); /* reserved */
1104 put_be32(pb, 0x00010000); /* reserved */
1105 put_be32(pb, 0x0); /* reserved */
1106 put_be32(pb, 0x0); /* reserved */
1107 put_be32(pb, 0x0); /* reserved */
1108 put_be32(pb, 0x40000000); /* reserved */
1110 /* Track width and height, for visual only */
1111 if(track->enc->codec_type == CODEC_TYPE_VIDEO ||
1112 track->enc->codec_type == CODEC_TYPE_SUBTITLE) {
1113 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1114 if(!sample_aspect_ratio || track->height != track->enc->height)
1115 sample_aspect_ratio = 1;
1116 put_be32(pb, sample_aspect_ratio * track->enc->width*0x10000);
1117 put_be32(pb, track->height*0x10000);
1126 // This box seems important for the psp playback ... without it the movie seems to hang
1127 static int mov_write_edts_tag(ByteIOContext *pb, MOVTrack *track)
1129 put_be32(pb, 0x24); /* size */
1130 put_tag(pb, "edts");
1131 put_be32(pb, 0x1c); /* size */
1132 put_tag(pb, "elst");
1136 put_be32(pb, av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP)); /* duration ... doesn't seem to effect psp */
1138 put_be32(pb, track->cluster[0].cts); /* first pts is cts since dts is 0 */
1139 put_be32(pb, 0x00010000);
1143 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1144 static int mov_write_uuid_tag_psp(ByteIOContext *pb, MOVTrack *mov)
1146 put_be32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1147 put_tag(pb, "uuid");
1148 put_tag(pb, "USMT");
1149 put_be32(pb, 0x21d24fce);
1150 put_be32(pb, 0xbb88695c);
1151 put_be32(pb, 0xfac9c740);
1152 put_be32(pb, 0x1c); // another size here!
1153 put_tag(pb, "MTDT");
1154 put_be32(pb, 0x00010012);
1156 put_be32(pb, 0x55c40000);
1162 static int mov_write_trak_tag(ByteIOContext *pb, MOVTrack *track, AVStream *st)
1164 int64_t pos = url_ftell(pb);
1165 put_be32(pb, 0); /* size */
1166 put_tag(pb, "trak");
1167 mov_write_tkhd_tag(pb, track, st);
1168 if (track->mode == MODE_PSP || track->hasBframes)
1169 mov_write_edts_tag(pb, track); // PSP Movies require edts box
1170 mov_write_mdia_tag(pb, track);
1171 if (track->mode == MODE_PSP)
1172 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
1173 return updateSize(pb, pos);
1177 /* TODO: Not sorted out, but not necessary either */
1178 static int mov_write_iods_tag(ByteIOContext *pb, MOVMuxContext *mov)
1180 put_be32(pb, 0x15); /* size */
1181 put_tag(pb, "iods");
1182 put_be32(pb, 0); /* version & flags */
1183 put_be16(pb, 0x1007);
1185 put_be16(pb, 0x4fff);
1186 put_be16(pb, 0xfffe);
1187 put_be16(pb, 0x01ff);
1192 static int mov_write_mvhd_tag(ByteIOContext *pb, MOVMuxContext *mov)
1194 int maxTrackID = 1, i;
1195 int64_t maxTrackLenTemp, maxTrackLen = 0;
1198 for (i=0; i<mov->nb_streams; i++) {
1199 if(mov->tracks[i].entry > 0) {
1200 maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration, globalTimescale, mov->tracks[i].timescale, AV_ROUND_UP);
1201 if(maxTrackLen < maxTrackLenTemp)
1202 maxTrackLen = maxTrackLenTemp;
1203 if(maxTrackID < mov->tracks[i].trackID)
1204 maxTrackID = mov->tracks[i].trackID;
1208 version = maxTrackLen < UINT32_MAX ? 0 : 1;
1209 (version == 1) ? put_be32(pb, 120) : put_be32(pb, 108); /* size */
1210 put_tag(pb, "mvhd");
1211 put_byte(pb, version);
1212 put_be24(pb, 0); /* flags */
1214 put_be64(pb, mov->time);
1215 put_be64(pb, mov->time);
1217 put_be32(pb, mov->time); /* creation time */
1218 put_be32(pb, mov->time); /* modification time */
1220 put_be32(pb, mov->timescale); /* timescale */
1221 (version == 1) ? put_be64(pb, maxTrackLen) : put_be32(pb, maxTrackLen); /* duration of longest track */
1223 put_be32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1224 put_be16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1225 put_be16(pb, 0); /* reserved */
1226 put_be32(pb, 0); /* reserved */
1227 put_be32(pb, 0); /* reserved */
1229 /* Matrix structure */
1230 put_be32(pb, 0x00010000); /* reserved */
1231 put_be32(pb, 0x0); /* reserved */
1232 put_be32(pb, 0x0); /* reserved */
1233 put_be32(pb, 0x0); /* reserved */
1234 put_be32(pb, 0x00010000); /* reserved */
1235 put_be32(pb, 0x0); /* reserved */
1236 put_be32(pb, 0x0); /* reserved */
1237 put_be32(pb, 0x0); /* reserved */
1238 put_be32(pb, 0x40000000); /* reserved */
1240 put_be32(pb, 0); /* reserved (preview time) */
1241 put_be32(pb, 0); /* reserved (preview duration) */
1242 put_be32(pb, 0); /* reserved (poster time) */
1243 put_be32(pb, 0); /* reserved (selection time) */
1244 put_be32(pb, 0); /* reserved (selection duration) */
1245 put_be32(pb, 0); /* reserved (current time) */
1246 put_be32(pb, maxTrackID+1); /* Next track id */
1250 static int mov_write_itunes_hdlr_tag(ByteIOContext *pb, MOVMuxContext *mov,
1253 int64_t pos = url_ftell(pb);
1254 put_be32(pb, 0); /* size */
1255 put_tag(pb, "hdlr");
1258 put_tag(pb, "mdir");
1259 put_tag(pb, "appl");
1263 return updateSize(pb, pos);
1266 /* helper function to write a data tag with the specified string as data */
1267 static int mov_write_string_data_tag(ByteIOContext *pb, const char *data, int lang, int long_style)
1270 int64_t pos = url_ftell(pb);
1271 put_be32(pb, 0); /* size */
1272 put_tag(pb, "data");
1275 put_buffer(pb, data, strlen(data));
1276 return updateSize(pb, pos);
1278 put_be16(pb, strlen(data)); /* string length */
1280 put_buffer(pb, data, strlen(data));
1281 return strlen(data) + 4;
1285 static int mov_write_string_tag(ByteIOContext *pb, const char *name, const char *value, int lang, int long_style){
1287 if (value && value[0]) {
1288 int64_t pos = url_ftell(pb);
1289 put_be32(pb, 0); /* size */
1291 mov_write_string_data_tag(pb, value, lang, long_style);
1292 size= updateSize(pb, pos);
1297 static int mov_write_string_metadata(AVFormatContext *s, ByteIOContext *pb,
1298 const char *name, const char *tag,
1301 int l, lang = 0, len, len2;
1302 AVMetadataTag *t, *t2 = NULL;
1305 if (!(t = av_metadata_get(s->metadata, tag, NULL, 0)))
1308 len = strlen(t->key);
1309 snprintf(tag2, sizeof(tag2), "%s-", tag);
1310 while ((t2 = av_metadata_get(s->metadata, tag2, t2, AV_METADATA_IGNORE_SUFFIX))) {
1311 len2 = strlen(t2->key);
1312 if (len2 == len+4 && !strcmp(t->value, t2->value)
1313 && (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 0)) >= 0) {
1318 return mov_write_string_tag(pb, name, t->value, lang, long_style);
1321 /* iTunes track number */
1322 static int mov_write_trkn_tag(ByteIOContext *pb, MOVMuxContext *mov,
1325 AVMetadataTag *t = av_metadata_get(s->metadata, "track", NULL, 0);
1326 int size = 0, track = t ? atoi(t->value) : 0;
1328 int64_t pos = url_ftell(pb);
1329 put_be32(pb, 0); /* size */
1330 put_tag(pb, "trkn");
1332 int64_t pos = url_ftell(pb);
1333 put_be32(pb, 0); /* size */
1334 put_tag(pb, "data");
1335 put_be32(pb, 0); // 8 bytes empty
1337 put_be16(pb, 0); // empty
1338 put_be16(pb, track); // track number
1339 put_be16(pb, 0); // total track number
1340 put_be16(pb, 0); // empty
1341 updateSize(pb, pos);
1343 size = updateSize(pb, pos);
1348 /* iTunes meta data list */
1349 static int mov_write_ilst_tag(ByteIOContext *pb, MOVMuxContext *mov,
1352 int64_t pos = url_ftell(pb);
1353 put_be32(pb, 0); /* size */
1354 put_tag(pb, "ilst");
1355 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
1356 mov_write_string_metadata(s, pb, "\251ART", "author" , 1);
1357 mov_write_string_metadata(s, pb, "\251wrt", "author" , 1);
1358 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
1359 mov_write_string_metadata(s, pb, "\251day", "year" , 1);
1360 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
1361 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
1362 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
1363 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
1364 mov_write_trkn_tag(pb, mov, s);
1365 return updateSize(pb, pos);
1368 /* iTunes meta data tag */
1369 static int mov_write_meta_tag(ByteIOContext *pb, MOVMuxContext *mov,
1373 int64_t pos = url_ftell(pb);
1374 put_be32(pb, 0); /* size */
1375 put_tag(pb, "meta");
1377 mov_write_itunes_hdlr_tag(pb, mov, s);
1378 mov_write_ilst_tag(pb, mov, s);
1379 size = updateSize(pb, pos);
1383 static int utf8len(const uint8_t *b)
1388 GET_UTF8(val, *b++, return -1;)
1394 static int ascii_to_wc(ByteIOContext *pb, const uint8_t *b)
1398 GET_UTF8(val, *b++, return -1;)
1405 static uint16_t language_code(const char *str)
1407 return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
1410 static int mov_write_3gp_udta_tag(ByteIOContext *pb, AVFormatContext *s,
1411 const char *tag, const char *str)
1413 int64_t pos = url_ftell(pb);
1414 AVMetadataTag *t = av_metadata_get(s->metadata, str, NULL, 0);
1415 if (!t || !utf8len(t->value))
1417 put_be32(pb, 0); /* size */
1418 put_tag (pb, tag); /* type */
1419 put_be32(pb, 0); /* version + flags */
1420 if (!strcmp(tag, "yrrc"))
1421 put_be16(pb, atoi(t->value));
1423 put_be16(pb, language_code("eng")); /* language */
1424 ascii_to_wc(pb, t->value);
1425 if (!strcmp(tag, "albm") &&
1426 (t = av_metadata_get(s->metadata, "year", NULL, 0)))
1427 put_byte(pb, atoi(t->value));
1429 return updateSize(pb, pos);
1432 static int mov_write_udta_tag(ByteIOContext *pb, MOVMuxContext *mov,
1435 ByteIOContext *pb_buf;
1439 for (i = 0; i < s->nb_streams; i++)
1440 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
1444 ret = url_open_dyn_buf(&pb_buf);
1448 if (mov->mode & MODE_3GP) {
1449 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
1450 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
1451 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
1452 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
1453 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
1454 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
1455 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "year");
1456 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
1457 mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0);
1458 mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0);
1459 mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0);
1460 mov_write_string_metadata(s, pb_buf, "\251day", "year" , 0);
1461 mov_write_string_tag(pb_buf, "\251enc", LIBAVFORMAT_IDENT, 0, 0);
1462 mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0);
1463 mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0);
1464 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0);
1466 /* iTunes meta data */
1467 mov_write_meta_tag(pb_buf, mov, s);
1470 if ((size = url_close_dyn_buf(pb_buf, &buf)) > 0) {
1471 put_be32(pb, size+8);
1472 put_tag(pb, "udta");
1473 put_buffer(pb, buf, size);
1480 static void mov_write_psp_udta_tag(ByteIOContext *pb,
1481 const char *str, const char *lang, int type)
1483 int len = utf8len(str)+1;
1486 put_be16(pb, len*2+10); /* size */
1487 put_be32(pb, type); /* type */
1488 put_be16(pb, language_code(lang)); /* language */
1489 put_be16(pb, 0x01); /* ? */
1490 ascii_to_wc(pb, str);
1493 static int mov_write_uuidusmt_tag(ByteIOContext *pb, AVFormatContext *s)
1495 AVMetadataTag *title = av_metadata_get(s->metadata, "title", NULL, 0);
1499 pos = url_ftell(pb);
1500 put_be32(pb, 0); /* size placeholder*/
1501 put_tag(pb, "uuid");
1502 put_tag(pb, "USMT");
1503 put_be32(pb, 0x21d24fce); /* 96 bit UUID */
1504 put_be32(pb, 0xbb88695c);
1505 put_be32(pb, 0xfac9c740);
1507 pos2 = url_ftell(pb);
1508 put_be32(pb, 0); /* size placeholder*/
1509 put_tag(pb, "MTDT");
1513 put_be16(pb, 0x0C); /* size */
1514 put_be32(pb, 0x0B); /* type */
1515 put_be16(pb, language_code("und")); /* language */
1516 put_be16(pb, 0x0); /* ? */
1517 put_be16(pb, 0x021C); /* data */
1519 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
1520 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
1521 // 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);
1522 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
1524 updateSize(pb, pos2);
1525 return updateSize(pb, pos);
1531 static int mov_write_moov_tag(ByteIOContext *pb, MOVMuxContext *mov,
1535 int64_t pos = url_ftell(pb);
1536 put_be32(pb, 0); /* size placeholder*/
1537 put_tag(pb, "moov");
1538 mov->timescale = globalTimescale;
1540 for (i=0; i<mov->nb_streams; i++) {
1541 if(mov->tracks[i].entry <= 0) continue;
1543 mov->tracks[i].time = mov->time;
1544 mov->tracks[i].trackID = i+1;
1547 mov_write_mvhd_tag(pb, mov);
1548 //mov_write_iods_tag(pb, mov);
1549 for (i=0; i<mov->nb_streams; i++) {
1550 if(mov->tracks[i].entry > 0) {
1551 mov_write_trak_tag(pb, &(mov->tracks[i]), s->streams[i]);
1555 if (mov->mode == MODE_PSP)
1556 mov_write_uuidusmt_tag(pb, s);
1558 mov_write_udta_tag(pb, mov, s);
1560 return updateSize(pb, pos);
1563 static int mov_write_mdat_tag(ByteIOContext *pb, MOVMuxContext *mov)
1565 put_be32(pb, 8); // placeholder for extended size field (64 bit)
1566 put_tag(pb, mov->mode == MODE_MOV ? "wide" : "free");
1568 mov->mdat_pos = url_ftell(pb);
1569 put_be32(pb, 0); /* size placeholder*/
1570 put_tag(pb, "mdat");
1574 /* TODO: This needs to be more general */
1575 static int mov_write_ftyp_tag(ByteIOContext *pb, AVFormatContext *s)
1577 MOVMuxContext *mov = s->priv_data;
1578 int64_t pos = url_ftell(pb);
1579 int has_h264 = 0, has_video = 0;
1583 for (i = 0; i < s->nb_streams; i++) {
1584 AVStream *st = s->streams[i];
1585 if (st->codec->codec_type == CODEC_TYPE_VIDEO)
1587 if (st->codec->codec_id == CODEC_ID_H264)
1591 put_be32(pb, 0); /* size */
1592 put_tag(pb, "ftyp");
1594 if (mov->mode == MODE_3GP) {
1595 put_tag(pb, has_h264 ? "3gp6" : "3gp4");
1596 minor = has_h264 ? 0x100 : 0x200;
1597 } else if (mov->mode & MODE_3G2) {
1598 put_tag(pb, has_h264 ? "3g2b" : "3g2a");
1599 minor = has_h264 ? 0x20000 : 0x10000;
1600 }else if (mov->mode == MODE_PSP)
1601 put_tag(pb, "MSNV");
1602 else if (mov->mode == MODE_MP4)
1603 put_tag(pb, "isom");
1604 else if (mov->mode == MODE_IPOD)
1605 put_tag(pb, has_video ? "M4V ":"M4A ");
1609 put_be32(pb, minor);
1611 if(mov->mode == MODE_MOV)
1614 put_tag(pb, "isom");
1615 put_tag(pb, "iso2");
1617 put_tag(pb, "avc1");
1620 if (mov->mode == MODE_3GP)
1621 put_tag(pb, has_h264 ? "3gp6":"3gp4");
1622 else if (mov->mode & MODE_3G2)
1623 put_tag(pb, has_h264 ? "3g2b":"3g2a");
1624 else if (mov->mode == MODE_PSP)
1625 put_tag(pb, "MSNV");
1626 else if (mov->mode == MODE_MP4)
1627 put_tag(pb, "mp41");
1628 return updateSize(pb, pos);
1631 static void mov_write_uuidprof_tag(ByteIOContext *pb, AVFormatContext *s)
1633 AVCodecContext *VideoCodec = s->streams[0]->codec;
1634 AVCodecContext *AudioCodec = s->streams[1]->codec;
1635 int AudioRate = AudioCodec->sample_rate;
1636 int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num);
1637 int audio_kbitrate= AudioCodec->bit_rate / 1000;
1638 int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate);
1640 put_be32(pb, 0x94); /* size */
1641 put_tag(pb, "uuid");
1642 put_tag(pb, "PROF");
1644 put_be32(pb, 0x21d24fce); /* 96 bit UUID */
1645 put_be32(pb, 0xbb88695c);
1646 put_be32(pb, 0xfac9c740);
1648 put_be32(pb, 0x0); /* ? */
1649 put_be32(pb, 0x3); /* 3 sections ? */
1651 put_be32(pb, 0x14); /* size */
1652 put_tag(pb, "FPRF");
1653 put_be32(pb, 0x0); /* ? */
1654 put_be32(pb, 0x0); /* ? */
1655 put_be32(pb, 0x0); /* ? */
1657 put_be32(pb, 0x2c); /* size */
1658 put_tag(pb, "APRF"); /* audio */
1660 put_be32(pb, 0x2); /* TrackID */
1661 put_tag(pb, "mp4a");
1662 put_be32(pb, 0x20f);
1664 put_be32(pb, audio_kbitrate);
1665 put_be32(pb, audio_kbitrate);
1666 put_be32(pb, AudioRate);
1667 put_be32(pb, AudioCodec->channels);
1669 put_be32(pb, 0x34); /* size */
1670 put_tag(pb, "VPRF"); /* video */
1672 put_be32(pb, 0x1); /* TrackID */
1673 if (VideoCodec->codec_id == CODEC_ID_H264) {
1674 put_tag(pb, "avc1");
1675 put_be16(pb, 0x014D);
1676 put_be16(pb, 0x0015);
1678 put_tag(pb, "mp4v");
1679 put_be16(pb, 0x0000);
1680 put_be16(pb, 0x0103);
1683 put_be32(pb, video_kbitrate);
1684 put_be32(pb, video_kbitrate);
1685 put_be32(pb, FrameRate);
1686 put_be32(pb, FrameRate);
1687 put_be16(pb, VideoCodec->width);
1688 put_be16(pb, VideoCodec->height);
1689 put_be32(pb, 0x010001); /* ? */
1692 static int mov_write_header(AVFormatContext *s)
1694 ByteIOContext *pb = s->pb;
1695 MOVMuxContext *mov = s->priv_data;
1698 if (url_is_streamed(s->pb)) {
1699 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
1703 /* Default mode == MP4 */
1704 mov->mode = MODE_MP4;
1706 if (s->oformat != NULL) {
1707 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
1708 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
1709 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
1710 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
1711 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
1713 mov_write_ftyp_tag(pb,s);
1714 if (mov->mode == MODE_PSP) {
1715 if (s->nb_streams != 2) {
1716 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
1719 mov_write_uuidprof_tag(pb,s);
1723 mov->tracks = av_mallocz(s->nb_streams*sizeof(*mov->tracks));
1725 return AVERROR(ENOMEM);
1727 for(i=0; i<s->nb_streams; i++){
1728 AVStream *st= s->streams[i];
1729 MOVTrack *track= &mov->tracks[i];
1730 AVMetadataTag *lang = av_metadata_get(st->metadata, "language", NULL,0);
1732 track->enc = st->codec;
1733 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
1734 if (track->language < 0)
1735 track->language = 0;
1736 track->mode = mov->mode;
1737 track->tag = mov_find_codec_tag(s, track);
1739 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
1740 "codec not currently supported in container\n", i);
1743 if(st->codec->codec_type == CODEC_TYPE_VIDEO){
1744 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
1745 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
1746 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
1747 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
1748 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
1751 track->height = track->tag>>24 == 'n' ? 486 : 576;
1753 track->timescale = st->codec->time_base.den;
1754 av_set_pts_info(st, 64, 1, st->codec->time_base.den);
1755 if (track->mode == MODE_MOV && track->timescale > 100000)
1756 av_log(s, AV_LOG_WARNING,
1757 "WARNING codec timebase is very high. If duration is too long,\n"
1758 "file may not be playable by quicktime. Specify a shorter timebase\n"
1759 "or choose different container.\n");
1760 }else if(st->codec->codec_type == CODEC_TYPE_AUDIO){
1761 track->timescale = st->codec->sample_rate;
1762 av_set_pts_info(st, 64, 1, st->codec->sample_rate);
1763 if(!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
1764 av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
1766 }else if(st->codec->frame_size > 1){ /* assume compressed audio */
1767 track->audio_vbr = 1;
1769 st->codec->frame_size = 1;
1770 track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
1772 if(track->mode != MODE_MOV &&
1773 track->enc->codec_id == CODEC_ID_MP3 && track->enc->sample_rate < 16000){
1774 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
1775 i, track->enc->sample_rate);
1778 }else if(st->codec->codec_type == CODEC_TYPE_SUBTITLE){
1779 track->timescale = st->codec->time_base.den;
1780 av_set_pts_info(st, 64, 1, st->codec->time_base.den);
1783 track->height = st->codec->height;
1786 mov_write_mdat_tag(pb, mov);
1787 mov->time = s->timestamp + 0x7C25B080; //1970 based -> 1904 based
1788 mov->nb_streams = s->nb_streams;
1790 put_flush_packet(pb);
1794 av_freep(&mov->tracks);
1798 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
1800 MOVMuxContext *mov = s->priv_data;
1801 ByteIOContext *pb = s->pb;
1802 MOVTrack *trk = &mov->tracks[pkt->stream_index];
1803 AVCodecContext *enc = trk->enc;
1804 unsigned int samplesInChunk = 0;
1805 int size= pkt->size;
1807 if (url_is_streamed(s->pb)) return 0; /* Can't handle that */
1808 if (!size) return 0; /* Discard 0 sized packets */
1810 if (enc->codec_id == CODEC_ID_AMR_NB) {
1811 /* We must find out how many AMR blocks there are in one packet */
1812 static uint16_t packed_size[16] =
1813 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 0};
1816 while (len < size && samplesInChunk < 100) {
1817 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
1820 if(samplesInChunk > 1){
1821 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
1824 } else if (trk->sampleSize)
1825 samplesInChunk = size/trk->sampleSize;
1829 /* copy extradata if it exists */
1830 if (trk->vosLen == 0 && enc->extradata_size > 0) {
1831 trk->vosLen = enc->extradata_size;
1832 trk->vosData = av_malloc(trk->vosLen);
1833 memcpy(trk->vosData, enc->extradata, trk->vosLen);
1836 if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) {
1837 /* from x264 or from bytestream h264 */
1838 /* nal reformating needed */
1839 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
1841 put_buffer(pb, pkt->data, size);
1844 if ((enc->codec_id == CODEC_ID_DNXHD ||
1845 enc->codec_id == CODEC_ID_AC3) && !trk->vosLen) {
1846 /* copy frame to create needed atoms */
1848 trk->vosData = av_malloc(size);
1850 return AVERROR(ENOMEM);
1851 memcpy(trk->vosData, pkt->data, size);
1854 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
1855 trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster));
1860 trk->cluster[trk->entry].pos = url_ftell(pb) - size;
1861 trk->cluster[trk->entry].samplesInChunk = samplesInChunk;
1862 trk->cluster[trk->entry].size = size;
1863 trk->cluster[trk->entry].entries = samplesInChunk;
1864 trk->cluster[trk->entry].dts = pkt->dts;
1865 trk->trackDuration = pkt->dts - trk->cluster[0].dts + pkt->duration;
1867 if (pkt->pts == AV_NOPTS_VALUE) {
1868 av_log(s, AV_LOG_WARNING, "pts has no value\n");
1869 pkt->pts = pkt->dts;
1871 if (pkt->dts != pkt->pts)
1872 trk->hasBframes = 1;
1873 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
1874 trk->cluster[trk->entry].key_frame = !!(pkt->flags & PKT_FLAG_KEY);
1875 if(trk->cluster[trk->entry].key_frame)
1876 trk->hasKeyframes++;
1878 trk->sampleCount += samplesInChunk;
1879 mov->mdat_size += size;
1881 put_flush_packet(pb);
1885 static int mov_write_trailer(AVFormatContext *s)
1887 MOVMuxContext *mov = s->priv_data;
1888 ByteIOContext *pb = s->pb;
1892 int64_t moov_pos = url_ftell(pb);
1894 /* Write size of mdat tag */
1895 if (mov->mdat_size+8 <= UINT32_MAX) {
1896 url_fseek(pb, mov->mdat_pos, SEEK_SET);
1897 put_be32(pb, mov->mdat_size+8);
1899 /* overwrite 'wide' placeholder atom */
1900 url_fseek(pb, mov->mdat_pos - 8, SEEK_SET);
1901 put_be32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */
1902 put_tag(pb, "mdat");
1903 put_be64(pb, mov->mdat_size+16);
1905 url_fseek(pb, moov_pos, SEEK_SET);
1907 mov_write_moov_tag(pb, mov, s);
1909 for (i=0; i<mov->nb_streams; i++) {
1910 av_freep(&mov->tracks[i].cluster);
1912 if(mov->tracks[i].vosLen) av_free(mov->tracks[i].vosData);
1916 put_flush_packet(pb);
1918 av_freep(&mov->tracks);
1923 #if CONFIG_MOV_MUXER
1924 AVOutputFormat mov_muxer = {
1926 NULL_IF_CONFIG_SMALL("MOV format"),
1929 sizeof(MOVMuxContext),
1935 .flags = AVFMT_GLOBALHEADER | AVFMT_VARIABLE_FPS,
1936 .codec_tag = (const AVCodecTag* const []){codec_movvideo_tags, codec_movaudio_tags, 0},
1939 #if CONFIG_TGP_MUXER
1940 AVOutputFormat tgp_muxer = {
1942 NULL_IF_CONFIG_SMALL("3GP format"),
1945 sizeof(MOVMuxContext),
1951 .flags = AVFMT_GLOBALHEADER,
1952 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
1955 #if CONFIG_MP4_MUXER
1956 AVOutputFormat mp4_muxer = {
1958 NULL_IF_CONFIG_SMALL("MP4 format"),
1961 sizeof(MOVMuxContext),
1967 .flags = AVFMT_GLOBALHEADER | AVFMT_VARIABLE_FPS,
1968 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
1971 #if CONFIG_PSP_MUXER
1972 AVOutputFormat psp_muxer = {
1974 NULL_IF_CONFIG_SMALL("PSP MP4 format"),
1977 sizeof(MOVMuxContext),
1983 .flags = AVFMT_GLOBALHEADER,
1984 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
1987 #if CONFIG_TG2_MUXER
1988 AVOutputFormat tg2_muxer = {
1990 NULL_IF_CONFIG_SMALL("3GP2 format"),
1993 sizeof(MOVMuxContext),
1999 .flags = AVFMT_GLOBALHEADER,
2000 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
2003 #if CONFIG_IPOD_MUXER
2004 AVOutputFormat ipod_muxer = {
2006 NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"),
2009 sizeof(MOVMuxContext),
2015 .flags = AVFMT_GLOBALHEADER,
2016 .codec_tag = (const AVCodecTag* const []){codec_ipod_tags, 0},