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/get_bits.h"
30 #include "libavcodec/put_bits.h"
35 #define MOV_INDEX_CLUSTER_SIZE 16384
36 #define globalTimescale 1000
41 #define MODE_PSP 0x08 // example working PSP command line:
42 // ffmpeg -i testinput.avi -f psp -r 14.985 -s 320x240 -b 768 -ar 24000 -ab 32 M4V00001.MP4
44 #define MODE_IPOD 0x20
46 typedef struct MOVIentry {
47 unsigned int flags, size;
49 unsigned int samplesInChunk;
56 typedef struct MOVIndex {
61 int64_t trackDuration;
68 int tag; ///< stsd fourcc
75 int height; ///< active picture (w/o VBI) height for D-10/IMX
78 typedef struct MOVMuxContext {
88 //FIXME support 64 bit variant with wide placeholders
89 static int64_t updateSize(ByteIOContext *pb, int64_t pos)
91 int64_t curpos = url_ftell(pb);
92 url_fseek(pb, pos, SEEK_SET);
93 put_be32(pb, curpos - pos); /* rewrite size */
94 url_fseek(pb, curpos, SEEK_SET);
99 /* Chunk offset atom */
100 static int mov_write_stco_tag(ByteIOContext *pb, MOVTrack *track)
103 int mode64 = 0; // use 32 bit size variant if possible
104 int64_t pos = url_ftell(pb);
105 put_be32(pb, 0); /* size */
106 if (pos > UINT32_MAX) {
111 put_be32(pb, 0); /* version & flags */
112 put_be32(pb, track->entry); /* entry count */
113 for (i=0; i<track->entry; i++) {
115 put_be64(pb, track->cluster[i].pos);
117 put_be32(pb, track->cluster[i].pos);
119 return updateSize(pb, pos);
122 /* Sample size atom */
123 static int mov_write_stsz_tag(ByteIOContext *pb, MOVTrack *track)
126 int i, j, entries = 0, tst = -1, oldtst = -1;
128 int64_t pos = url_ftell(pb);
129 put_be32(pb, 0); /* size */
131 put_be32(pb, 0); /* version & flags */
133 for (i=0; i<track->entry; i++) {
134 tst = track->cluster[i].size/track->cluster[i].entries;
135 if(oldtst != -1 && tst != oldtst) {
139 entries += track->cluster[i].entries;
142 int sSize = track->cluster[0].size/track->cluster[0].entries;
143 put_be32(pb, sSize); // sample size
144 put_be32(pb, entries); // sample count
147 put_be32(pb, 0); // sample size
148 put_be32(pb, entries); // sample count
149 for (i=0; i<track->entry; i++) {
150 for (j=0; j<track->cluster[i].entries; j++) {
151 put_be32(pb, track->cluster[i].size /
152 track->cluster[i].entries);
156 return updateSize(pb, pos);
159 /* Sample to chunk atom */
160 static int mov_write_stsc_tag(ByteIOContext *pb, MOVTrack *track)
162 int index = 0, oldval = -1, i;
163 int64_t entryPos, curpos;
165 int64_t pos = url_ftell(pb);
166 put_be32(pb, 0); /* size */
168 put_be32(pb, 0); // version & flags
169 entryPos = url_ftell(pb);
170 put_be32(pb, track->entry); // entry count
171 for (i=0; i<track->entry; i++) {
172 if(oldval != track->cluster[i].samplesInChunk)
174 put_be32(pb, i+1); // first chunk
175 put_be32(pb, track->cluster[i].samplesInChunk); // samples per chunk
176 put_be32(pb, 0x1); // sample description index
177 oldval = track->cluster[i].samplesInChunk;
181 curpos = url_ftell(pb);
182 url_fseek(pb, entryPos, SEEK_SET);
183 put_be32(pb, index); // rewrite size
184 url_fseek(pb, curpos, SEEK_SET);
186 return updateSize(pb, pos);
189 /* Sync sample atom */
190 static int mov_write_stss_tag(ByteIOContext *pb, MOVTrack *track)
192 int64_t curpos, entryPos;
194 int64_t pos = url_ftell(pb);
195 put_be32(pb, 0); // size
197 put_be32(pb, 0); // version & flags
198 entryPos = url_ftell(pb);
199 put_be32(pb, track->entry); // entry count
200 for (i=0; i<track->entry; i++) {
201 if(track->cluster[i].key_frame == 1) {
206 curpos = url_ftell(pb);
207 url_fseek(pb, entryPos, SEEK_SET);
208 put_be32(pb, index); // rewrite size
209 url_fseek(pb, curpos, SEEK_SET);
210 return updateSize(pb, pos);
213 static int mov_write_amr_tag(ByteIOContext *pb, MOVTrack *track)
215 put_be32(pb, 0x11); /* size */
216 if (track->mode == MODE_MOV) put_tag(pb, "samr");
217 else put_tag(pb, "damr");
219 put_byte(pb, 0); /* decoder version */
221 put_be16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
222 put_byte(pb, 0x00); /* Mode change period (no restriction) */
223 put_byte(pb, 0x01); /* Frames per sample */
227 static int mov_write_ac3_tag(ByteIOContext *pb, MOVTrack *track)
232 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
234 if (track->vosLen < 7)
240 init_get_bits(&gbc, track->vosData+4, track->vosLen-4);
241 fscod = get_bits(&gbc, 2);
242 frmsizecod = get_bits(&gbc, 6);
243 bsid = get_bits(&gbc, 5);
244 bsmod = get_bits(&gbc, 3);
245 acmod = get_bits(&gbc, 3);
247 skip_bits(&gbc, 2); // dsurmod
249 if ((acmod & 1) && acmod != 1)
250 skip_bits(&gbc, 2); // cmixlev
252 skip_bits(&gbc, 2); // surmixlev
254 lfeon = get_bits1(&gbc);
256 init_put_bits(&pbc, buf, sizeof(buf));
257 put_bits(&pbc, 2, fscod);
258 put_bits(&pbc, 5, bsid);
259 put_bits(&pbc, 3, bsmod);
260 put_bits(&pbc, 3, acmod);
261 put_bits(&pbc, 1, lfeon);
262 put_bits(&pbc, 5, frmsizecod>>1); // bit_rate_code
263 put_bits(&pbc, 5, 0); // reserved
265 flush_put_bits(&pbc);
266 put_buffer(pb, buf, sizeof(buf));
272 * This function writes extradata "as is".
273 * Extradata must be formated like a valid atom (with size and tag)
275 static int mov_write_extradata_tag(ByteIOContext *pb, MOVTrack *track)
277 put_buffer(pb, track->enc->extradata, track->enc->extradata_size);
278 return track->enc->extradata_size;
281 static int mov_write_enda_tag(ByteIOContext *pb)
285 put_be16(pb, 1); /* little endian */
289 static unsigned int descrLength(unsigned int len)
292 for(i=1; len>>(7*i); i++);
296 static void putDescr(ByteIOContext *pb, int tag, unsigned int size)
298 int i= descrLength(size) - size - 2;
301 put_byte(pb, (size>>(7*i)) | 0x80);
302 put_byte(pb, size & 0x7F);
305 static int mov_write_esds_tag(ByteIOContext *pb, MOVTrack *track) // Basic
307 int64_t pos = url_ftell(pb);
308 int decoderSpecificInfoLen = track->vosLen ? descrLength(track->vosLen):0;
310 put_be32(pb, 0); // size
312 put_be32(pb, 0); // Version
315 putDescr(pb, 0x03, 3 + descrLength(13 + decoderSpecificInfoLen) +
317 put_be16(pb, track->trackID);
318 put_byte(pb, 0x00); // flags (= no flags)
320 // DecoderConfig descriptor
321 putDescr(pb, 0x04, 13 + decoderSpecificInfoLen);
323 // Object type indication
324 if ((track->enc->codec_id == CODEC_ID_MP2 ||
325 track->enc->codec_id == CODEC_ID_MP3) &&
326 track->enc->sample_rate > 24000)
327 put_byte(pb, 0x6B); // 11172-3
329 put_byte(pb, codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
331 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
332 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
333 if(track->enc->codec_type == CODEC_TYPE_AUDIO)
334 put_byte(pb, 0x15); // flags (= Audiostream)
336 put_byte(pb, 0x11); // flags (= Visualstream)
338 put_byte(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits)
339 put_be16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB
341 put_be32(pb, FFMAX(track->enc->bit_rate, track->enc->rc_max_rate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
342 if(track->enc->rc_max_rate != track->enc->rc_min_rate || track->enc->rc_min_rate==0)
343 put_be32(pb, 0); // vbr
345 put_be32(pb, track->enc->rc_max_rate); // avg bitrate
348 // DecoderSpecific info descriptor
349 putDescr(pb, 0x05, track->vosLen);
350 put_buffer(pb, track->vosData, track->vosLen);
354 putDescr(pb, 0x06, 1);
356 return updateSize(pb, pos);
359 static int mov_write_wave_tag(ByteIOContext *pb, MOVTrack *track)
361 int64_t pos = url_ftell(pb);
363 put_be32(pb, 0); /* size */
366 put_be32(pb, 12); /* size */
368 put_le32(pb, track->tag);
370 if (track->enc->codec_id == CODEC_ID_AAC) {
371 /* useless atom needed by mplayer, ipod, not needed by quicktime */
372 put_be32(pb, 12); /* size */
375 mov_write_esds_tag(pb, track);
376 } else if (track->enc->codec_id == CODEC_ID_PCM_S24LE ||
377 track->enc->codec_id == CODEC_ID_PCM_S32LE) {
378 mov_write_enda_tag(pb);
379 } else if (track->enc->codec_id == CODEC_ID_AMR_NB) {
380 mov_write_amr_tag(pb, track);
381 } else if (track->enc->codec_id == CODEC_ID_AC3) {
382 mov_write_ac3_tag(pb, track);
383 } else if (track->enc->codec_id == CODEC_ID_ALAC) {
384 mov_write_extradata_tag(pb, track);
387 put_be32(pb, 8); /* size */
388 put_be32(pb, 0); /* null tag */
390 return updateSize(pb, pos);
393 static int mov_write_glbl_tag(ByteIOContext *pb, MOVTrack *track)
395 put_be32(pb, track->vosLen+8);
397 put_buffer(pb, track->vosData, track->vosLen);
398 return 8+track->vosLen;
401 static int mov_write_audio_tag(ByteIOContext *pb, MOVTrack *track)
403 int64_t pos = url_ftell(pb);
404 int version = track->mode == MODE_MOV &&
406 track->enc->codec_id == CODEC_ID_PCM_S32LE ||
407 track->enc->codec_id == CODEC_ID_PCM_S24LE);
409 put_be32(pb, 0); /* size */
410 put_le32(pb, track->tag); // store it byteswapped
411 put_be32(pb, 0); /* Reserved */
412 put_be16(pb, 0); /* Reserved */
413 put_be16(pb, 1); /* Data-reference index, XXX == 1 */
415 /* SoundDescription */
416 put_be16(pb, version); /* Version */
417 put_be16(pb, 0); /* Revision level */
418 put_be32(pb, 0); /* Reserved */
420 if (track->mode == MODE_MOV) {
421 put_be16(pb, track->enc->channels);
422 if (track->enc->codec_id == CODEC_ID_PCM_U8 ||
423 track->enc->codec_id == CODEC_ID_PCM_S8)
424 put_be16(pb, 8); /* bits per sample */
427 put_be16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
428 } else { /* reserved for mp4/3gp */
434 put_be16(pb, 0); /* packet size (= 0) */
435 put_be16(pb, track->timescale); /* Time scale */
436 put_be16(pb, 0); /* Reserved */
438 if(version == 1) { /* SoundDescription V1 extended info */
439 put_be32(pb, track->enc->frame_size); /* Samples per packet */
440 put_be32(pb, track->sampleSize / track->enc->channels); /* Bytes per packet */
441 put_be32(pb, track->sampleSize); /* Bytes per frame */
442 put_be32(pb, 2); /* Bytes per sample */
445 if(track->mode == MODE_MOV &&
446 (track->enc->codec_id == CODEC_ID_AAC ||
447 track->enc->codec_id == CODEC_ID_AC3 ||
448 track->enc->codec_id == CODEC_ID_AMR_NB ||
449 track->enc->codec_id == CODEC_ID_PCM_S24LE ||
450 track->enc->codec_id == CODEC_ID_PCM_S32LE ||
451 track->enc->codec_id == CODEC_ID_ALAC))
452 mov_write_wave_tag(pb, track);
453 else if(track->tag == MKTAG('m','p','4','a'))
454 mov_write_esds_tag(pb, track);
455 else if(track->enc->codec_id == CODEC_ID_AMR_NB)
456 mov_write_amr_tag(pb, track);
457 else if(track->enc->codec_id == CODEC_ID_AC3)
458 mov_write_ac3_tag(pb, track);
459 else if(track->enc->codec_id == CODEC_ID_ALAC)
460 mov_write_extradata_tag(pb, track);
461 else if(track->vosLen > 0)
462 mov_write_glbl_tag(pb, track);
464 return updateSize(pb, pos);
467 static int mov_write_d263_tag(ByteIOContext *pb)
469 put_be32(pb, 0xf); /* size */
472 put_byte(pb, 0); /* decoder version */
473 /* FIXME use AVCodecContext level/profile, when encoder will set values */
474 put_byte(pb, 0xa); /* level */
475 put_byte(pb, 0); /* profile */
479 /* TODO: No idea about these values */
480 static int mov_write_svq3_tag(ByteIOContext *pb)
486 put_be32(pb, 0xe2c0211d);
487 put_be32(pb, 0xc0000000);
492 static int mov_write_avcc_tag(ByteIOContext *pb, MOVTrack *track)
494 int64_t pos = url_ftell(pb);
498 ff_isom_write_avcc(pb, track->vosData, track->vosLen);
499 return updateSize(pb, pos);
502 /* also used by all avid codecs (dv, imx, meridien) and their variants */
503 static int mov_write_avid_tag(ByteIOContext *pb, MOVTrack *track)
506 put_be32(pb, 24); /* size */
510 put_be32(pb, 1); /* yuv 1 / rgb 2 ? */
511 put_be32(pb, 0); /* unknown */
513 put_be32(pb, 24); /* size */
517 put_be32(pb, 1); /* unknown */
518 put_be32(pb, 0); /* unknown */
520 put_be32(pb, 120); /* size */
524 put_be32(pb, AV_RB32(track->vosData + 0x28)); /* dnxhd cid, some id ? */
525 put_be32(pb, track->enc->width);
526 /* values below are based on samples created with quicktime and avid codecs */
527 if (track->vosData[5] & 2) { // interlaced
528 put_be32(pb, track->enc->height/2);
529 put_be32(pb, 2); /* unknown */
530 put_be32(pb, 0); /* unknown */
531 put_be32(pb, 4); /* unknown */
533 put_be32(pb, track->enc->height);
534 put_be32(pb, 1); /* unknown */
535 put_be32(pb, 0); /* unknown */
536 if (track->enc->height == 1080)
537 put_be32(pb, 5); /* unknown */
539 put_be32(pb, 6); /* unknown */
542 for (i = 0; i < 10; i++)
545 /* extra padding for stsd needed */
550 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
552 int tag = track->enc->codec_tag;
554 if (!codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
557 if (track->enc->codec_id == CODEC_ID_H264) tag = MKTAG('a','v','c','1');
558 else if (track->enc->codec_id == CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
559 else if (track->enc->codec_id == CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
560 else if (track->enc->codec_id == CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
561 else if (track->enc->codec_type == CODEC_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
562 else if (track->enc->codec_type == CODEC_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
567 static const AVCodecTag codec_ipod_tags[] = {
568 { CODEC_ID_H264, MKTAG('a','v','c','1') },
569 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
570 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
571 { CODEC_ID_ALAC, MKTAG('a','l','a','c') },
572 { CODEC_ID_AC3, MKTAG('a','c','-','3') },
573 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
574 { CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
575 { CODEC_ID_NONE, 0 },
578 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
580 int tag = track->enc->codec_tag;
582 // keep original tag for subs, ipod supports both formats
583 if (!(track->enc->codec_type == CODEC_TYPE_SUBTITLE &&
584 (tag == MKTAG('t','x','3','g') ||
585 tag == MKTAG('t','e','x','t'))))
586 tag = codec_get_tag(codec_ipod_tags, track->enc->codec_id);
588 if (!match_ext(s->filename, "m4a") && !match_ext(s->filename, "m4v"))
589 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
590 "Quicktime/Ipod might not play the file\n");
595 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
599 if (track->enc->height == 480) /* NTSC */
600 if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
601 else tag = MKTAG('d','v','c',' ');
602 else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
603 else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
604 else tag = MKTAG('d','v','p','p');
609 static const struct {
610 enum PixelFormat pix_fmt;
613 } mov_pix_fmt_tags[] = {
614 { PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
615 { PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
616 { PIX_FMT_BGR555, MKTAG('r','a','w',' '), 16 },
617 { PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
618 { PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
619 { PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
620 { PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
621 { PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
622 { PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
623 { PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
624 { PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
627 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
629 int tag = track->enc->codec_tag;
632 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
633 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
634 tag = mov_pix_fmt_tags[i].tag;
635 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
643 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
645 int tag = track->enc->codec_tag;
647 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
648 (tag == MKTAG('d','v','c','p') ||
649 track->enc->codec_id == CODEC_ID_RAWVIDEO ||
650 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
651 if (track->enc->codec_id == CODEC_ID_DVVIDEO)
652 tag = mov_get_dv_codec_tag(s, track);
653 else if (track->enc->codec_id == CODEC_ID_RAWVIDEO)
654 tag = mov_get_rawvideo_codec_tag(s, track);
655 else if (track->enc->codec_type == CODEC_TYPE_VIDEO) {
656 tag = codec_get_tag(codec_movvideo_tags, track->enc->codec_id);
657 if (!tag) { // if no mac fcc found, try with Microsoft tags
658 tag = codec_get_tag(codec_bmp_tags, track->enc->codec_id);
660 av_log(s, AV_LOG_INFO, "Warning, using MS style video codec tag, "
661 "the file may be unplayable!\n");
663 } else if (track->enc->codec_type == CODEC_TYPE_AUDIO) {
664 tag = codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
665 if (!tag) { // if no mac fcc found, try with Microsoft tags
666 int ms_tag = codec_get_tag(codec_wav_tags, track->enc->codec_id);
668 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
669 av_log(s, AV_LOG_INFO, "Warning, using MS style audio codec tag, "
670 "the file may be unplayable!\n");
673 } else if (track->enc->codec_type == CODEC_TYPE_SUBTITLE)
674 tag = codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
680 static const AVCodecTag codec_3gp_tags[] = {
681 { CODEC_ID_H263, MKTAG('s','2','6','3') },
682 { CODEC_ID_H264, MKTAG('a','v','c','1') },
683 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
684 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
685 { CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
686 { CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
687 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
688 { CODEC_ID_NONE, 0 },
691 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
693 int tag = track->enc->codec_tag;
695 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
696 tag = mp4_get_codec_tag(s, track);
697 else if (track->mode == MODE_IPOD)
698 tag = ipod_get_codec_tag(s, track);
699 else if (track->mode & MODE_3GP)
700 tag = codec_get_tag(codec_3gp_tags, track->enc->codec_id);
702 tag = mov_get_codec_tag(s, track);
708 * Needed to make file play in iPods running newest firmware
709 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
711 static int mov_write_uuid_tag_ipod(ByteIOContext *pb)
715 put_be32(pb, 0x6b6840f2);
716 put_be32(pb, 0x5f244fc5);
717 put_be32(pb, 0xba39a51b);
718 put_be32(pb, 0xcf0323f3);
723 static int mov_write_subtitle_tag(ByteIOContext *pb, MOVTrack *track)
725 int64_t pos = url_ftell(pb);
726 put_be32(pb, 0); /* size */
727 put_le32(pb, track->tag); // store it byteswapped
728 put_be32(pb, 0); /* Reserved */
729 put_be16(pb, 0); /* Reserved */
730 put_be16(pb, 1); /* Data-reference index */
732 if (track->enc->extradata_size)
733 put_buffer(pb, track->enc->extradata, track->enc->extradata_size);
735 return updateSize(pb, pos);
738 static int mov_write_video_tag(ByteIOContext *pb, MOVTrack *track)
740 int64_t pos = url_ftell(pb);
741 char compressor_name[32];
743 put_be32(pb, 0); /* size */
744 put_le32(pb, track->tag); // store it byteswapped
745 put_be32(pb, 0); /* Reserved */
746 put_be16(pb, 0); /* Reserved */
747 put_be16(pb, 1); /* Data-reference index */
749 put_be16(pb, 0); /* Codec stream version */
750 put_be16(pb, 0); /* Codec stream revision (=0) */
751 if (track->mode == MODE_MOV) {
752 put_tag(pb, "FFMP"); /* Vendor */
753 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
754 put_be32(pb, 0); /* Temporal Quality */
755 put_be32(pb, 0x400); /* Spatial Quality = lossless*/
757 put_be32(pb, 0x200); /* Temporal Quality = normal */
758 put_be32(pb, 0x200); /* Spatial Quality = normal */
761 put_be32(pb, 0); /* Reserved */
762 put_be32(pb, 0); /* Reserved */
763 put_be32(pb, 0); /* Reserved */
765 put_be16(pb, track->enc->width); /* Video width */
766 put_be16(pb, track->height); /* Video height */
767 put_be32(pb, 0x00480000); /* Horizontal resolution 72dpi */
768 put_be32(pb, 0x00480000); /* Vertical resolution 72dpi */
769 put_be32(pb, 0); /* Data size (= 0) */
770 put_be16(pb, 1); /* Frame count (= 1) */
772 memset(compressor_name,0,32);
773 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
774 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
775 strncpy(compressor_name,track->enc->codec->name,31);
776 put_byte(pb, strlen(compressor_name));
777 put_buffer(pb, compressor_name, 31);
779 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
780 put_be16(pb, track->enc->bits_per_coded_sample);
782 put_be16(pb, 0x18); /* Reserved */
783 put_be16(pb, 0xffff); /* Reserved */
784 if(track->tag == MKTAG('m','p','4','v'))
785 mov_write_esds_tag(pb, track);
786 else if(track->enc->codec_id == CODEC_ID_H263)
787 mov_write_d263_tag(pb);
788 else if(track->enc->codec_id == CODEC_ID_SVQ3)
789 mov_write_svq3_tag(pb);
790 else if(track->enc->codec_id == CODEC_ID_DNXHD)
791 mov_write_avid_tag(pb, track);
792 else if(track->enc->codec_id == CODEC_ID_H264) {
793 mov_write_avcc_tag(pb, track);
794 if(track->mode == MODE_IPOD)
795 mov_write_uuid_tag_ipod(pb);
796 } else if(track->vosLen > 0)
797 mov_write_glbl_tag(pb, track);
799 return updateSize(pb, pos);
802 static int mov_write_stsd_tag(ByteIOContext *pb, MOVTrack *track)
804 int64_t pos = url_ftell(pb);
805 put_be32(pb, 0); /* size */
807 put_be32(pb, 0); /* version & flags */
808 put_be32(pb, 1); /* entry count */
809 if (track->enc->codec_type == CODEC_TYPE_VIDEO)
810 mov_write_video_tag(pb, track);
811 else if (track->enc->codec_type == CODEC_TYPE_AUDIO)
812 mov_write_audio_tag(pb, track);
813 else if (track->enc->codec_type == CODEC_TYPE_SUBTITLE)
814 mov_write_subtitle_tag(pb, track);
815 return updateSize(pb, pos);
818 static int mov_write_ctts_tag(ByteIOContext *pb, MOVTrack *track)
820 MOVStts *ctts_entries;
821 uint32_t entries = 0;
825 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
826 ctts_entries[0].count = 1;
827 ctts_entries[0].duration = track->cluster[0].cts;
828 for (i=1; i<track->entry; i++) {
829 if (track->cluster[i].cts == ctts_entries[entries].duration) {
830 ctts_entries[entries].count++; /* compress */
833 ctts_entries[entries].duration = track->cluster[i].cts;
834 ctts_entries[entries].count = 1;
837 entries++; /* last one */
838 atom_size = 16 + (entries * 8);
839 put_be32(pb, atom_size); /* size */
841 put_be32(pb, 0); /* version & flags */
842 put_be32(pb, entries); /* entry count */
843 for (i=0; i<entries; i++) {
844 put_be32(pb, ctts_entries[i].count);
845 put_be32(pb, ctts_entries[i].duration);
847 av_free(ctts_entries);
851 /* Time to sample atom */
852 static int mov_write_stts_tag(ByteIOContext *pb, MOVTrack *track)
854 MOVStts *stts_entries;
855 uint32_t entries = -1;
859 if (track->enc->codec_type == CODEC_TYPE_AUDIO && !track->audio_vbr) {
860 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
861 stts_entries[0].count = track->sampleCount;
862 stts_entries[0].duration = 1;
865 stts_entries = av_malloc(track->entry * sizeof(*stts_entries)); /* worst case */
866 for (i=0; i<track->entry; i++) {
867 int64_t duration = i + 1 == track->entry ?
868 track->trackDuration - track->cluster[i].dts + track->cluster[0].dts : /* readjusting */
869 track->cluster[i+1].dts - track->cluster[i].dts;
870 if (i && duration == stts_entries[entries].duration) {
871 stts_entries[entries].count++; /* compress */
874 stts_entries[entries].duration = duration;
875 stts_entries[entries].count = 1;
878 entries++; /* last one */
880 atom_size = 16 + (entries * 8);
881 put_be32(pb, atom_size); /* size */
883 put_be32(pb, 0); /* version & flags */
884 put_be32(pb, entries); /* entry count */
885 for (i=0; i<entries; i++) {
886 put_be32(pb, stts_entries[i].count);
887 put_be32(pb, stts_entries[i].duration);
889 av_free(stts_entries);
893 static int mov_write_dref_tag(ByteIOContext *pb)
895 put_be32(pb, 28); /* size */
897 put_be32(pb, 0); /* version & flags */
898 put_be32(pb, 1); /* entry count */
900 put_be32(pb, 0xc); /* size */
902 put_be32(pb, 1); /* version & flags */
907 static int mov_write_stbl_tag(ByteIOContext *pb, MOVTrack *track)
909 int64_t pos = url_ftell(pb);
910 put_be32(pb, 0); /* size */
912 mov_write_stsd_tag(pb, track);
913 mov_write_stts_tag(pb, track);
914 if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
915 track->hasKeyframes && track->hasKeyframes < track->entry)
916 mov_write_stss_tag(pb, track);
917 if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
919 mov_write_ctts_tag(pb, track);
920 mov_write_stsc_tag(pb, track);
921 mov_write_stsz_tag(pb, track);
922 mov_write_stco_tag(pb, track);
923 return updateSize(pb, pos);
926 static int mov_write_dinf_tag(ByteIOContext *pb)
928 int64_t pos = url_ftell(pb);
929 put_be32(pb, 0); /* size */
931 mov_write_dref_tag(pb);
932 return updateSize(pb, pos);
935 static int mov_write_nmhd_tag(ByteIOContext *pb)
943 static int mov_write_gmhd_tag(ByteIOContext *pb)
945 put_be32(pb, 0x20); /* size */
947 put_be32(pb, 0x18); /* gmin size */
948 put_tag(pb, "gmin"); /* generic media info */
949 put_be32(pb, 0); /* version & flags */
950 put_be16(pb, 0x40); /* graphics mode = */
951 put_be16(pb, 0x8000); /* opColor (r?) */
952 put_be16(pb, 0x8000); /* opColor (g?) */
953 put_be16(pb, 0x8000); /* opColor (b?) */
954 put_be16(pb, 0); /* balance */
955 put_be16(pb, 0); /* reserved */
959 static int mov_write_smhd_tag(ByteIOContext *pb)
961 put_be32(pb, 16); /* size */
963 put_be32(pb, 0); /* version & flags */
964 put_be16(pb, 0); /* reserved (balance, normally = 0) */
965 put_be16(pb, 0); /* reserved */
969 static int mov_write_vmhd_tag(ByteIOContext *pb)
971 put_be32(pb, 0x14); /* size (always 0x14) */
973 put_be32(pb, 0x01); /* version & flags */
974 put_be64(pb, 0); /* reserved (graphics mode = copy) */
978 static int mov_write_hdlr_tag(ByteIOContext *pb, MOVTrack *track)
980 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
981 int64_t pos = url_ftell(pb);
983 if (!track) { /* no media --> data handler */
986 descr = "DataHandler";
988 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
989 if (track->enc->codec_type == CODEC_TYPE_VIDEO) {
991 descr = "VideoHandler";
992 } else if (track->enc->codec_type == CODEC_TYPE_AUDIO) {
994 descr = "SoundHandler";
995 } else if (track->enc->codec_type == CODEC_TYPE_SUBTITLE) {
996 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
997 else hdlr_type = "text";
998 descr = "SubtitleHandler";
1002 put_be32(pb, 0); /* size */
1003 put_tag(pb, "hdlr");
1004 put_be32(pb, 0); /* Version & flags */
1005 put_buffer(pb, hdlr, 4); /* handler */
1006 put_tag(pb, hdlr_type); /* handler type */
1007 put_be32(pb ,0); /* reserved */
1008 put_be32(pb ,0); /* reserved */
1009 put_be32(pb ,0); /* reserved */
1010 put_byte(pb, strlen(descr)); /* string counter */
1011 put_buffer(pb, descr, strlen(descr)); /* handler description */
1012 return updateSize(pb, pos);
1015 static int mov_write_minf_tag(ByteIOContext *pb, MOVTrack *track)
1017 int64_t pos = url_ftell(pb);
1018 put_be32(pb, 0); /* size */
1019 put_tag(pb, "minf");
1020 if(track->enc->codec_type == CODEC_TYPE_VIDEO)
1021 mov_write_vmhd_tag(pb);
1022 else if (track->enc->codec_type == CODEC_TYPE_AUDIO)
1023 mov_write_smhd_tag(pb);
1024 else if (track->enc->codec_type == CODEC_TYPE_SUBTITLE) {
1025 if (track->tag == MKTAG('t','e','x','t')) mov_write_gmhd_tag(pb);
1026 else mov_write_nmhd_tag(pb);
1028 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1029 mov_write_hdlr_tag(pb, NULL);
1030 mov_write_dinf_tag(pb);
1031 mov_write_stbl_tag(pb, track);
1032 return updateSize(pb, pos);
1035 static int mov_write_mdhd_tag(ByteIOContext *pb, MOVTrack *track)
1037 int version = track->trackDuration < INT32_MAX ? 0 : 1;
1039 (version == 1) ? put_be32(pb, 44) : put_be32(pb, 32); /* size */
1040 put_tag(pb, "mdhd");
1041 put_byte(pb, version);
1042 put_be24(pb, 0); /* flags */
1044 put_be64(pb, track->time);
1045 put_be64(pb, track->time);
1047 put_be32(pb, track->time); /* creation time */
1048 put_be32(pb, track->time); /* modification time */
1050 put_be32(pb, track->timescale); /* time scale (sample rate for audio) */
1051 (version == 1) ? put_be64(pb, track->trackDuration) : put_be32(pb, track->trackDuration); /* duration */
1052 put_be16(pb, track->language); /* language */
1053 put_be16(pb, 0); /* reserved (quality) */
1055 if(version!=0 && track->mode == MODE_MOV){
1056 av_log(NULL, AV_LOG_ERROR,
1057 "FATAL error, file duration too long for timebase, this file will not be\n"
1058 "playable with quicktime. Choose a different timebase or a different\n"
1059 "container format\n");
1065 static int mov_write_mdia_tag(ByteIOContext *pb, MOVTrack *track)
1067 int64_t pos = url_ftell(pb);
1068 put_be32(pb, 0); /* size */
1069 put_tag(pb, "mdia");
1070 mov_write_mdhd_tag(pb, track);
1071 mov_write_hdlr_tag(pb, track);
1072 mov_write_minf_tag(pb, track);
1073 return updateSize(pb, pos);
1076 static int mov_write_tkhd_tag(ByteIOContext *pb, MOVTrack *track, AVStream *st)
1078 int64_t duration = av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP);
1079 int version = duration < INT32_MAX ? 0 : 1;
1081 (version == 1) ? put_be32(pb, 104) : put_be32(pb, 92); /* size */
1082 put_tag(pb, "tkhd");
1083 put_byte(pb, version);
1084 put_be24(pb, 0xf); /* flags (track enabled) */
1086 put_be64(pb, track->time);
1087 put_be64(pb, track->time);
1089 put_be32(pb, track->time); /* creation time */
1090 put_be32(pb, track->time); /* modification time */
1092 put_be32(pb, track->trackID); /* track-id */
1093 put_be32(pb, 0); /* reserved */
1094 (version == 1) ? put_be64(pb, duration) : put_be32(pb, duration);
1096 put_be32(pb, 0); /* reserved */
1097 put_be32(pb, 0); /* reserved */
1098 put_be32(pb, 0x0); /* reserved (Layer & Alternate group) */
1099 /* Volume, only for audio */
1100 if(track->enc->codec_type == CODEC_TYPE_AUDIO)
1101 put_be16(pb, 0x0100);
1104 put_be16(pb, 0); /* reserved */
1106 /* Matrix structure */
1107 put_be32(pb, 0x00010000); /* reserved */
1108 put_be32(pb, 0x0); /* reserved */
1109 put_be32(pb, 0x0); /* reserved */
1110 put_be32(pb, 0x0); /* reserved */
1111 put_be32(pb, 0x00010000); /* reserved */
1112 put_be32(pb, 0x0); /* reserved */
1113 put_be32(pb, 0x0); /* reserved */
1114 put_be32(pb, 0x0); /* reserved */
1115 put_be32(pb, 0x40000000); /* reserved */
1117 /* Track width and height, for visual only */
1118 if(track->enc->codec_type == CODEC_TYPE_VIDEO ||
1119 track->enc->codec_type == CODEC_TYPE_SUBTITLE) {
1120 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1121 if(!sample_aspect_ratio || track->height != track->enc->height)
1122 sample_aspect_ratio = 1;
1123 put_be32(pb, sample_aspect_ratio * track->enc->width*0x10000);
1124 put_be32(pb, track->height*0x10000);
1133 // This box seems important for the psp playback ... without it the movie seems to hang
1134 static int mov_write_edts_tag(ByteIOContext *pb, MOVTrack *track)
1136 put_be32(pb, 0x24); /* size */
1137 put_tag(pb, "edts");
1138 put_be32(pb, 0x1c); /* size */
1139 put_tag(pb, "elst");
1143 put_be32(pb, av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP)); /* duration ... doesn't seem to effect psp */
1145 put_be32(pb, track->cluster[0].cts); /* first pts is cts since dts is 0 */
1146 put_be32(pb, 0x00010000);
1150 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1151 static int mov_write_uuid_tag_psp(ByteIOContext *pb, MOVTrack *mov)
1153 put_be32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1154 put_tag(pb, "uuid");
1155 put_tag(pb, "USMT");
1156 put_be32(pb, 0x21d24fce);
1157 put_be32(pb, 0xbb88695c);
1158 put_be32(pb, 0xfac9c740);
1159 put_be32(pb, 0x1c); // another size here!
1160 put_tag(pb, "MTDT");
1161 put_be32(pb, 0x00010012);
1163 put_be32(pb, 0x55c40000);
1169 static int mov_write_trak_tag(ByteIOContext *pb, MOVTrack *track, AVStream *st)
1171 int64_t pos = url_ftell(pb);
1172 put_be32(pb, 0); /* size */
1173 put_tag(pb, "trak");
1174 mov_write_tkhd_tag(pb, track, st);
1175 if (track->mode == MODE_PSP || track->hasBframes)
1176 mov_write_edts_tag(pb, track); // PSP Movies require edts box
1177 mov_write_mdia_tag(pb, track);
1178 if (track->mode == MODE_PSP)
1179 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
1180 return updateSize(pb, pos);
1184 /* TODO: Not sorted out, but not necessary either */
1185 static int mov_write_iods_tag(ByteIOContext *pb, MOVMuxContext *mov)
1187 put_be32(pb, 0x15); /* size */
1188 put_tag(pb, "iods");
1189 put_be32(pb, 0); /* version & flags */
1190 put_be16(pb, 0x1007);
1192 put_be16(pb, 0x4fff);
1193 put_be16(pb, 0xfffe);
1194 put_be16(pb, 0x01ff);
1199 static int mov_write_mvhd_tag(ByteIOContext *pb, MOVMuxContext *mov)
1201 int maxTrackID = 1, i;
1202 int64_t maxTrackLenTemp, maxTrackLen = 0;
1205 for (i=0; i<mov->nb_streams; i++) {
1206 if(mov->tracks[i].entry > 0) {
1207 maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration, globalTimescale, mov->tracks[i].timescale, AV_ROUND_UP);
1208 if(maxTrackLen < maxTrackLenTemp)
1209 maxTrackLen = maxTrackLenTemp;
1210 if(maxTrackID < mov->tracks[i].trackID)
1211 maxTrackID = mov->tracks[i].trackID;
1215 version = maxTrackLen < UINT32_MAX ? 0 : 1;
1216 (version == 1) ? put_be32(pb, 120) : put_be32(pb, 108); /* size */
1217 put_tag(pb, "mvhd");
1218 put_byte(pb, version);
1219 put_be24(pb, 0); /* flags */
1221 put_be64(pb, mov->time);
1222 put_be64(pb, mov->time);
1224 put_be32(pb, mov->time); /* creation time */
1225 put_be32(pb, mov->time); /* modification time */
1227 put_be32(pb, mov->timescale); /* timescale */
1228 (version == 1) ? put_be64(pb, maxTrackLen) : put_be32(pb, maxTrackLen); /* duration of longest track */
1230 put_be32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1231 put_be16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1232 put_be16(pb, 0); /* reserved */
1233 put_be32(pb, 0); /* reserved */
1234 put_be32(pb, 0); /* reserved */
1236 /* Matrix structure */
1237 put_be32(pb, 0x00010000); /* reserved */
1238 put_be32(pb, 0x0); /* reserved */
1239 put_be32(pb, 0x0); /* reserved */
1240 put_be32(pb, 0x0); /* reserved */
1241 put_be32(pb, 0x00010000); /* reserved */
1242 put_be32(pb, 0x0); /* reserved */
1243 put_be32(pb, 0x0); /* reserved */
1244 put_be32(pb, 0x0); /* reserved */
1245 put_be32(pb, 0x40000000); /* reserved */
1247 put_be32(pb, 0); /* reserved (preview time) */
1248 put_be32(pb, 0); /* reserved (preview duration) */
1249 put_be32(pb, 0); /* reserved (poster time) */
1250 put_be32(pb, 0); /* reserved (selection time) */
1251 put_be32(pb, 0); /* reserved (selection duration) */
1252 put_be32(pb, 0); /* reserved (current time) */
1253 put_be32(pb, maxTrackID+1); /* Next track id */
1257 static int mov_write_itunes_hdlr_tag(ByteIOContext *pb, MOVMuxContext *mov,
1260 int64_t pos = url_ftell(pb);
1261 put_be32(pb, 0); /* size */
1262 put_tag(pb, "hdlr");
1265 put_tag(pb, "mdir");
1266 put_tag(pb, "appl");
1270 return updateSize(pb, pos);
1273 /* helper function to write a data tag with the specified string as data */
1274 static int mov_write_string_data_tag(ByteIOContext *pb, const char *data, int lang, int long_style)
1277 int64_t pos = url_ftell(pb);
1278 put_be32(pb, 0); /* size */
1279 put_tag(pb, "data");
1282 put_buffer(pb, data, strlen(data));
1283 return updateSize(pb, pos);
1285 put_be16(pb, strlen(data)); /* string length */
1287 put_buffer(pb, data, strlen(data));
1288 return strlen(data) + 4;
1292 static int mov_write_string_tag(ByteIOContext *pb, const char *name, const char *value, int lang, int long_style){
1294 if (value && value[0]) {
1295 int64_t pos = url_ftell(pb);
1296 put_be32(pb, 0); /* size */
1298 mov_write_string_data_tag(pb, value, lang, long_style);
1299 size= updateSize(pb, pos);
1304 static int mov_write_string_metadata(AVFormatContext *s, ByteIOContext *pb,
1305 const char *name, const char *tag,
1308 int l, lang = 0, len, len2;
1309 AVMetadataTag *t, *t2 = NULL;
1312 if (!(t = av_metadata_get(s->metadata, tag, NULL, 0)))
1315 len = strlen(t->key);
1316 snprintf(tag2, sizeof(tag2), "%s-", tag);
1317 while ((t2 = av_metadata_get(s->metadata, tag2, t2, AV_METADATA_IGNORE_SUFFIX))) {
1318 len2 = strlen(t2->key);
1319 if (len2 == len+4 && !strcmp(t->value, t2->value)
1320 && (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 0)) >= 0) {
1325 return mov_write_string_tag(pb, name, t->value, lang, long_style);
1328 /* iTunes track number */
1329 static int mov_write_trkn_tag(ByteIOContext *pb, MOVMuxContext *mov,
1332 AVMetadataTag *t = av_metadata_get(s->metadata, "track", NULL, 0);
1333 int size = 0, track = t ? atoi(t->value) : 0;
1335 int64_t pos = url_ftell(pb);
1336 put_be32(pb, 0); /* size */
1337 put_tag(pb, "trkn");
1339 int64_t pos = url_ftell(pb);
1340 put_be32(pb, 0); /* size */
1341 put_tag(pb, "data");
1342 put_be32(pb, 0); // 8 bytes empty
1344 put_be16(pb, 0); // empty
1345 put_be16(pb, track); // track number
1346 put_be16(pb, 0); // total track number
1347 put_be16(pb, 0); // empty
1348 updateSize(pb, pos);
1350 size = updateSize(pb, pos);
1355 /* iTunes meta data list */
1356 static int mov_write_ilst_tag(ByteIOContext *pb, MOVMuxContext *mov,
1359 int64_t pos = url_ftell(pb);
1360 put_be32(pb, 0); /* size */
1361 put_tag(pb, "ilst");
1362 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
1363 mov_write_string_metadata(s, pb, "\251ART", "author" , 1);
1364 mov_write_string_metadata(s, pb, "\251wrt", "author" , 1);
1365 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
1366 mov_write_string_metadata(s, pb, "\251day", "year" , 1);
1367 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
1368 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
1369 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
1370 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
1371 mov_write_trkn_tag(pb, mov, s);
1372 return updateSize(pb, pos);
1375 /* iTunes meta data tag */
1376 static int mov_write_meta_tag(ByteIOContext *pb, MOVMuxContext *mov,
1380 int64_t pos = url_ftell(pb);
1381 put_be32(pb, 0); /* size */
1382 put_tag(pb, "meta");
1384 mov_write_itunes_hdlr_tag(pb, mov, s);
1385 mov_write_ilst_tag(pb, mov, s);
1386 size = updateSize(pb, pos);
1390 static int utf8len(const uint8_t *b)
1395 GET_UTF8(val, *b++, return -1;)
1401 static int ascii_to_wc(ByteIOContext *pb, const uint8_t *b)
1405 GET_UTF8(val, *b++, return -1;)
1412 static uint16_t language_code(const char *str)
1414 return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
1417 static int mov_write_3gp_udta_tag(ByteIOContext *pb, AVFormatContext *s,
1418 const char *tag, const char *str)
1420 int64_t pos = url_ftell(pb);
1421 AVMetadataTag *t = av_metadata_get(s->metadata, str, NULL, 0);
1422 if (!t || !utf8len(t->value))
1424 put_be32(pb, 0); /* size */
1425 put_tag (pb, tag); /* type */
1426 put_be32(pb, 0); /* version + flags */
1427 if (!strcmp(tag, "yrrc"))
1428 put_be16(pb, atoi(t->value));
1430 put_be16(pb, language_code("eng")); /* language */
1431 ascii_to_wc(pb, t->value);
1432 if (!strcmp(tag, "albm") &&
1433 (t = av_metadata_get(s->metadata, "year", NULL, 0)))
1434 put_byte(pb, atoi(t->value));
1436 return updateSize(pb, pos);
1439 static int mov_write_udta_tag(ByteIOContext *pb, MOVMuxContext *mov,
1442 ByteIOContext *pb_buf;
1446 for (i = 0; i < s->nb_streams; i++)
1447 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
1451 ret = url_open_dyn_buf(&pb_buf);
1455 if (mov->mode & MODE_3GP) {
1456 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
1457 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
1458 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
1459 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
1460 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
1461 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
1462 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "year");
1463 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
1464 mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0);
1465 mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0);
1466 mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0);
1467 mov_write_string_metadata(s, pb_buf, "\251day", "year" , 0);
1468 mov_write_string_tag(pb_buf, "\251enc", LIBAVFORMAT_IDENT, 0, 0);
1469 mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0);
1470 mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0);
1471 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0);
1473 /* iTunes meta data */
1474 mov_write_meta_tag(pb_buf, mov, s);
1477 if ((size = url_close_dyn_buf(pb_buf, &buf)) > 0) {
1478 put_be32(pb, size+8);
1479 put_tag(pb, "udta");
1480 put_buffer(pb, buf, size);
1487 static void mov_write_psp_udta_tag(ByteIOContext *pb,
1488 const char *str, const char *lang, int type)
1490 int len = utf8len(str)+1;
1493 put_be16(pb, len*2+10); /* size */
1494 put_be32(pb, type); /* type */
1495 put_be16(pb, language_code(lang)); /* language */
1496 put_be16(pb, 0x01); /* ? */
1497 ascii_to_wc(pb, str);
1500 static int mov_write_uuidusmt_tag(ByteIOContext *pb, AVFormatContext *s)
1502 AVMetadataTag *title = av_metadata_get(s->metadata, "title", NULL, 0);
1506 pos = url_ftell(pb);
1507 put_be32(pb, 0); /* size placeholder*/
1508 put_tag(pb, "uuid");
1509 put_tag(pb, "USMT");
1510 put_be32(pb, 0x21d24fce); /* 96 bit UUID */
1511 put_be32(pb, 0xbb88695c);
1512 put_be32(pb, 0xfac9c740);
1514 pos2 = url_ftell(pb);
1515 put_be32(pb, 0); /* size placeholder*/
1516 put_tag(pb, "MTDT");
1520 put_be16(pb, 0x0C); /* size */
1521 put_be32(pb, 0x0B); /* type */
1522 put_be16(pb, language_code("und")); /* language */
1523 put_be16(pb, 0x0); /* ? */
1524 put_be16(pb, 0x021C); /* data */
1526 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
1527 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
1528 // 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);
1529 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
1531 updateSize(pb, pos2);
1532 return updateSize(pb, pos);
1538 static int mov_write_moov_tag(ByteIOContext *pb, MOVMuxContext *mov,
1542 int64_t pos = url_ftell(pb);
1543 put_be32(pb, 0); /* size placeholder*/
1544 put_tag(pb, "moov");
1545 mov->timescale = globalTimescale;
1547 for (i=0; i<mov->nb_streams; i++) {
1548 if(mov->tracks[i].entry <= 0) continue;
1550 mov->tracks[i].time = mov->time;
1551 mov->tracks[i].trackID = i+1;
1554 mov_write_mvhd_tag(pb, mov);
1555 //mov_write_iods_tag(pb, mov);
1556 for (i=0; i<mov->nb_streams; i++) {
1557 if(mov->tracks[i].entry > 0) {
1558 mov_write_trak_tag(pb, &(mov->tracks[i]), s->streams[i]);
1562 if (mov->mode == MODE_PSP)
1563 mov_write_uuidusmt_tag(pb, s);
1565 mov_write_udta_tag(pb, mov, s);
1567 return updateSize(pb, pos);
1570 static int mov_write_mdat_tag(ByteIOContext *pb, MOVMuxContext *mov)
1572 put_be32(pb, 8); // placeholder for extended size field (64 bit)
1573 put_tag(pb, mov->mode == MODE_MOV ? "wide" : "free");
1575 mov->mdat_pos = url_ftell(pb);
1576 put_be32(pb, 0); /* size placeholder*/
1577 put_tag(pb, "mdat");
1581 /* TODO: This needs to be more general */
1582 static int mov_write_ftyp_tag(ByteIOContext *pb, AVFormatContext *s)
1584 MOVMuxContext *mov = s->priv_data;
1585 int64_t pos = url_ftell(pb);
1586 int has_h264 = 0, has_video = 0;
1590 for (i = 0; i < s->nb_streams; i++) {
1591 AVStream *st = s->streams[i];
1592 if (st->codec->codec_type == CODEC_TYPE_VIDEO)
1594 if (st->codec->codec_id == CODEC_ID_H264)
1598 put_be32(pb, 0); /* size */
1599 put_tag(pb, "ftyp");
1601 if (mov->mode == MODE_3GP) {
1602 put_tag(pb, has_h264 ? "3gp6" : "3gp4");
1603 minor = has_h264 ? 0x100 : 0x200;
1604 } else if (mov->mode & MODE_3G2) {
1605 put_tag(pb, has_h264 ? "3g2b" : "3g2a");
1606 minor = has_h264 ? 0x20000 : 0x10000;
1607 }else if (mov->mode == MODE_PSP)
1608 put_tag(pb, "MSNV");
1609 else if (mov->mode == MODE_MP4)
1610 put_tag(pb, "isom");
1611 else if (mov->mode == MODE_IPOD)
1612 put_tag(pb, has_video ? "M4V ":"M4A ");
1616 put_be32(pb, minor);
1618 if(mov->mode == MODE_MOV)
1621 put_tag(pb, "isom");
1622 put_tag(pb, "iso2");
1624 put_tag(pb, "avc1");
1627 if (mov->mode == MODE_3GP)
1628 put_tag(pb, has_h264 ? "3gp6":"3gp4");
1629 else if (mov->mode & MODE_3G2)
1630 put_tag(pb, has_h264 ? "3g2b":"3g2a");
1631 else if (mov->mode == MODE_PSP)
1632 put_tag(pb, "MSNV");
1633 else if (mov->mode == MODE_MP4)
1634 put_tag(pb, "mp41");
1635 return updateSize(pb, pos);
1638 static void mov_write_uuidprof_tag(ByteIOContext *pb, AVFormatContext *s)
1640 AVCodecContext *VideoCodec = s->streams[0]->codec;
1641 AVCodecContext *AudioCodec = s->streams[1]->codec;
1642 int AudioRate = AudioCodec->sample_rate;
1643 int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num);
1644 int audio_kbitrate= AudioCodec->bit_rate / 1000;
1645 int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate);
1647 put_be32(pb, 0x94); /* size */
1648 put_tag(pb, "uuid");
1649 put_tag(pb, "PROF");
1651 put_be32(pb, 0x21d24fce); /* 96 bit UUID */
1652 put_be32(pb, 0xbb88695c);
1653 put_be32(pb, 0xfac9c740);
1655 put_be32(pb, 0x0); /* ? */
1656 put_be32(pb, 0x3); /* 3 sections ? */
1658 put_be32(pb, 0x14); /* size */
1659 put_tag(pb, "FPRF");
1660 put_be32(pb, 0x0); /* ? */
1661 put_be32(pb, 0x0); /* ? */
1662 put_be32(pb, 0x0); /* ? */
1664 put_be32(pb, 0x2c); /* size */
1665 put_tag(pb, "APRF"); /* audio */
1667 put_be32(pb, 0x2); /* TrackID */
1668 put_tag(pb, "mp4a");
1669 put_be32(pb, 0x20f);
1671 put_be32(pb, audio_kbitrate);
1672 put_be32(pb, audio_kbitrate);
1673 put_be32(pb, AudioRate);
1674 put_be32(pb, AudioCodec->channels);
1676 put_be32(pb, 0x34); /* size */
1677 put_tag(pb, "VPRF"); /* video */
1679 put_be32(pb, 0x1); /* TrackID */
1680 if (VideoCodec->codec_id == CODEC_ID_H264) {
1681 put_tag(pb, "avc1");
1682 put_be16(pb, 0x014D);
1683 put_be16(pb, 0x0015);
1685 put_tag(pb, "mp4v");
1686 put_be16(pb, 0x0000);
1687 put_be16(pb, 0x0103);
1690 put_be32(pb, video_kbitrate);
1691 put_be32(pb, video_kbitrate);
1692 put_be32(pb, FrameRate);
1693 put_be32(pb, FrameRate);
1694 put_be16(pb, VideoCodec->width);
1695 put_be16(pb, VideoCodec->height);
1696 put_be32(pb, 0x010001); /* ? */
1699 static int mov_write_header(AVFormatContext *s)
1701 ByteIOContext *pb = s->pb;
1702 MOVMuxContext *mov = s->priv_data;
1705 if (url_is_streamed(s->pb)) {
1706 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
1710 /* Default mode == MP4 */
1711 mov->mode = MODE_MP4;
1713 if (s->oformat != NULL) {
1714 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
1715 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
1716 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
1717 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
1718 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
1720 mov_write_ftyp_tag(pb,s);
1721 if (mov->mode == MODE_PSP) {
1722 if (s->nb_streams != 2) {
1723 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
1726 mov_write_uuidprof_tag(pb,s);
1730 mov->tracks = av_mallocz(s->nb_streams*sizeof(*mov->tracks));
1732 return AVERROR(ENOMEM);
1734 for(i=0; i<s->nb_streams; i++){
1735 AVStream *st= s->streams[i];
1736 MOVTrack *track= &mov->tracks[i];
1737 AVMetadataTag *lang = av_metadata_get(st->metadata, "language", NULL,0);
1739 track->enc = st->codec;
1740 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
1741 if (track->language < 0)
1742 track->language = 0;
1743 track->mode = mov->mode;
1744 track->tag = mov_find_codec_tag(s, track);
1746 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
1747 "codec not currently supported in container\n", i);
1750 if(st->codec->codec_type == CODEC_TYPE_VIDEO){
1751 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
1752 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
1753 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
1754 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
1755 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
1758 track->height = track->tag>>24 == 'n' ? 486 : 576;
1760 track->timescale = st->codec->time_base.den;
1761 if (track->mode == MODE_MOV && track->timescale > 100000)
1762 av_log(s, AV_LOG_WARNING,
1763 "WARNING codec timebase is very high. If duration is too long,\n"
1764 "file may not be playable by quicktime. Specify a shorter timebase\n"
1765 "or choose different container.\n");
1766 }else if(st->codec->codec_type == CODEC_TYPE_AUDIO){
1767 track->timescale = 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;
1787 track->height = st->codec->height;
1789 av_set_pts_info(st, 64, 1, track->timescale);
1792 mov_write_mdat_tag(pb, mov);
1793 mov->time = s->timestamp + 0x7C25B080; //1970 based -> 1904 based
1794 mov->nb_streams = s->nb_streams;
1796 put_flush_packet(pb);
1800 av_freep(&mov->tracks);
1804 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
1806 MOVMuxContext *mov = s->priv_data;
1807 ByteIOContext *pb = s->pb;
1808 MOVTrack *trk = &mov->tracks[pkt->stream_index];
1809 AVCodecContext *enc = trk->enc;
1810 unsigned int samplesInChunk = 0;
1811 int size= pkt->size;
1813 if (url_is_streamed(s->pb)) return 0; /* Can't handle that */
1814 if (!size) return 0; /* Discard 0 sized packets */
1816 if (enc->codec_id == CODEC_ID_AMR_NB) {
1817 /* We must find out how many AMR blocks there are in one packet */
1818 static uint16_t packed_size[16] =
1819 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 0};
1822 while (len < size && samplesInChunk < 100) {
1823 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
1826 if(samplesInChunk > 1){
1827 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
1830 } else if (trk->sampleSize)
1831 samplesInChunk = size/trk->sampleSize;
1835 /* copy extradata if it exists */
1836 if (trk->vosLen == 0 && enc->extradata_size > 0) {
1837 trk->vosLen = enc->extradata_size;
1838 trk->vosData = av_malloc(trk->vosLen);
1839 memcpy(trk->vosData, enc->extradata, trk->vosLen);
1842 if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) {
1843 /* from x264 or from bytestream h264 */
1844 /* nal reformating needed */
1845 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
1847 put_buffer(pb, pkt->data, size);
1850 if ((enc->codec_id == CODEC_ID_DNXHD ||
1851 enc->codec_id == CODEC_ID_AC3) && !trk->vosLen) {
1852 /* copy frame to create needed atoms */
1854 trk->vosData = av_malloc(size);
1856 return AVERROR(ENOMEM);
1857 memcpy(trk->vosData, pkt->data, size);
1860 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
1861 trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster));
1866 trk->cluster[trk->entry].pos = url_ftell(pb) - size;
1867 trk->cluster[trk->entry].samplesInChunk = samplesInChunk;
1868 trk->cluster[trk->entry].size = size;
1869 trk->cluster[trk->entry].entries = samplesInChunk;
1870 trk->cluster[trk->entry].dts = pkt->dts;
1871 trk->trackDuration = pkt->dts - trk->cluster[0].dts + pkt->duration;
1873 if (pkt->pts == AV_NOPTS_VALUE) {
1874 av_log(s, AV_LOG_WARNING, "pts has no value\n");
1875 pkt->pts = pkt->dts;
1877 if (pkt->dts != pkt->pts)
1878 trk->hasBframes = 1;
1879 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
1880 trk->cluster[trk->entry].key_frame = !!(pkt->flags & PKT_FLAG_KEY);
1881 if(trk->cluster[trk->entry].key_frame)
1882 trk->hasKeyframes++;
1884 trk->sampleCount += samplesInChunk;
1885 mov->mdat_size += size;
1887 put_flush_packet(pb);
1891 static int mov_write_trailer(AVFormatContext *s)
1893 MOVMuxContext *mov = s->priv_data;
1894 ByteIOContext *pb = s->pb;
1898 int64_t moov_pos = url_ftell(pb);
1900 /* Write size of mdat tag */
1901 if (mov->mdat_size+8 <= UINT32_MAX) {
1902 url_fseek(pb, mov->mdat_pos, SEEK_SET);
1903 put_be32(pb, mov->mdat_size+8);
1905 /* overwrite 'wide' placeholder atom */
1906 url_fseek(pb, mov->mdat_pos - 8, SEEK_SET);
1907 put_be32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */
1908 put_tag(pb, "mdat");
1909 put_be64(pb, mov->mdat_size+16);
1911 url_fseek(pb, moov_pos, SEEK_SET);
1913 mov_write_moov_tag(pb, mov, s);
1915 for (i=0; i<mov->nb_streams; i++) {
1916 av_freep(&mov->tracks[i].cluster);
1918 if(mov->tracks[i].vosLen) av_free(mov->tracks[i].vosData);
1922 put_flush_packet(pb);
1924 av_freep(&mov->tracks);
1929 #if CONFIG_MOV_MUXER
1930 AVOutputFormat mov_muxer = {
1932 NULL_IF_CONFIG_SMALL("MOV format"),
1935 sizeof(MOVMuxContext),
1941 .flags = AVFMT_GLOBALHEADER | AVFMT_VARIABLE_FPS,
1942 .codec_tag = (const AVCodecTag* const []){codec_movvideo_tags, codec_movaudio_tags, 0},
1945 #if CONFIG_TGP_MUXER
1946 AVOutputFormat tgp_muxer = {
1948 NULL_IF_CONFIG_SMALL("3GP format"),
1951 sizeof(MOVMuxContext),
1957 .flags = AVFMT_GLOBALHEADER,
1958 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
1961 #if CONFIG_MP4_MUXER
1962 AVOutputFormat mp4_muxer = {
1964 NULL_IF_CONFIG_SMALL("MP4 format"),
1967 sizeof(MOVMuxContext),
1973 .flags = AVFMT_GLOBALHEADER | AVFMT_VARIABLE_FPS,
1974 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
1977 #if CONFIG_PSP_MUXER
1978 AVOutputFormat psp_muxer = {
1980 NULL_IF_CONFIG_SMALL("PSP MP4 format"),
1983 sizeof(MOVMuxContext),
1989 .flags = AVFMT_GLOBALHEADER,
1990 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
1993 #if CONFIG_TG2_MUXER
1994 AVOutputFormat tg2_muxer = {
1996 NULL_IF_CONFIG_SMALL("3GP2 format"),
1999 sizeof(MOVMuxContext),
2005 .flags = AVFMT_GLOBALHEADER,
2006 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
2009 #if CONFIG_IPOD_MUXER
2010 AVOutputFormat ipod_muxer = {
2012 NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"),
2015 sizeof(MOVMuxContext),
2021 .flags = AVFMT_GLOBALHEADER,
2022 .codec_tag = (const AVCodecTag* const []){codec_ipod_tags, 0},