3 * Copyright (c) 2003 Thomas Raivio
4 * Copyright (c) 2004 Gildas Bazin <gbazin at videolan dot org>
6 * This file is part of FFmpeg.
8 * FFmpeg is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * FFmpeg is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with FFmpeg; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
27 #include "libavcodec/bitstream.h"
32 #define MOV_INDEX_CLUSTER_SIZE 16384
33 #define globalTimescale 1000
38 #define MODE_PSP 0x08 // example working PSP command line:
39 // ffmpeg -i testinput.avi -f psp -r 14.985 -s 320x240 -b 768 -ar 24000 -ab 32 M4V00001.MP4
41 #define MODE_IPOD 0x20
43 typedef struct MOVIentry {
44 unsigned int flags, size;
46 unsigned int samplesInChunk;
53 typedef struct MOVIndex {
58 int64_t trackDuration;
65 int tag; ///< stsd fourcc
72 int height; ///< active picture (w/o VBI) height for D-10/IMX
75 typedef struct MOVMuxContext {
82 MOVTrack tracks[MAX_STREAMS];
85 //FIXME support 64 bit variant with wide placeholders
86 static int64_t updateSize(ByteIOContext *pb, int64_t pos)
88 int64_t curpos = url_ftell(pb);
89 url_fseek(pb, pos, SEEK_SET);
90 put_be32(pb, curpos - pos); /* rewrite size */
91 url_fseek(pb, curpos, SEEK_SET);
96 /* Chunk offset atom */
97 static int mov_write_stco_tag(ByteIOContext *pb, MOVTrack *track)
100 int mode64 = 0; // use 32 bit size variant if possible
101 int64_t pos = url_ftell(pb);
102 put_be32(pb, 0); /* size */
103 if (pos > UINT32_MAX) {
108 put_be32(pb, 0); /* version & flags */
109 put_be32(pb, track->entry); /* entry count */
110 for (i=0; i<track->entry; i++) {
112 put_be64(pb, track->cluster[i].pos);
114 put_be32(pb, track->cluster[i].pos);
116 return updateSize(pb, pos);
119 /* Sample size atom */
120 static int mov_write_stsz_tag(ByteIOContext *pb, MOVTrack *track)
123 int i, j, entries = 0, tst = -1, oldtst = -1;
125 int64_t pos = url_ftell(pb);
126 put_be32(pb, 0); /* size */
128 put_be32(pb, 0); /* version & flags */
130 for (i=0; i<track->entry; i++) {
131 tst = track->cluster[i].size/track->cluster[i].entries;
132 if(oldtst != -1 && tst != oldtst) {
136 entries += track->cluster[i].entries;
139 int sSize = track->cluster[0].size/track->cluster[0].entries;
140 put_be32(pb, sSize); // sample size
141 put_be32(pb, entries); // sample count
144 put_be32(pb, 0); // sample size
145 put_be32(pb, entries); // sample count
146 for (i=0; i<track->entry; i++) {
147 for (j=0; j<track->cluster[i].entries; j++) {
148 put_be32(pb, track->cluster[i].size /
149 track->cluster[i].entries);
153 return updateSize(pb, pos);
156 /* Sample to chunk atom */
157 static int mov_write_stsc_tag(ByteIOContext *pb, MOVTrack *track)
159 int index = 0, oldval = -1, i;
160 int64_t entryPos, curpos;
162 int64_t pos = url_ftell(pb);
163 put_be32(pb, 0); /* size */
165 put_be32(pb, 0); // version & flags
166 entryPos = url_ftell(pb);
167 put_be32(pb, track->entry); // entry count
168 for (i=0; i<track->entry; i++) {
169 if(oldval != track->cluster[i].samplesInChunk)
171 put_be32(pb, i+1); // first chunk
172 put_be32(pb, track->cluster[i].samplesInChunk); // samples per chunk
173 put_be32(pb, 0x1); // sample description index
174 oldval = track->cluster[i].samplesInChunk;
178 curpos = url_ftell(pb);
179 url_fseek(pb, entryPos, SEEK_SET);
180 put_be32(pb, index); // rewrite size
181 url_fseek(pb, curpos, SEEK_SET);
183 return updateSize(pb, pos);
186 /* Sync sample atom */
187 static int mov_write_stss_tag(ByteIOContext *pb, MOVTrack *track)
189 int64_t curpos, entryPos;
191 int64_t pos = url_ftell(pb);
192 put_be32(pb, 0); // size
194 put_be32(pb, 0); // version & flags
195 entryPos = url_ftell(pb);
196 put_be32(pb, track->entry); // entry count
197 for (i=0; i<track->entry; i++) {
198 if(track->cluster[i].key_frame == 1) {
203 curpos = url_ftell(pb);
204 url_fseek(pb, entryPos, SEEK_SET);
205 put_be32(pb, index); // rewrite size
206 url_fseek(pb, curpos, SEEK_SET);
207 return updateSize(pb, pos);
210 static int mov_write_amr_tag(ByteIOContext *pb, MOVTrack *track)
212 put_be32(pb, 0x11); /* size */
213 if (track->mode == MODE_MOV) put_tag(pb, "samr");
214 else put_tag(pb, "damr");
216 put_byte(pb, 0); /* decoder version */
218 put_be16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
219 put_byte(pb, 0x00); /* Mode change period (no restriction) */
220 put_byte(pb, 0x01); /* Frames per sample */
224 static int mov_write_ac3_tag(ByteIOContext *pb, MOVTrack *track)
229 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
231 if (track->vosLen < 7)
237 init_get_bits(&gbc, track->vosData+4, track->vosLen-4);
238 fscod = get_bits(&gbc, 2);
239 frmsizecod = get_bits(&gbc, 6);
240 bsid = get_bits(&gbc, 5);
241 bsmod = get_bits(&gbc, 3);
242 acmod = get_bits(&gbc, 3);
244 skip_bits(&gbc, 2); // dsurmod
246 if ((acmod & 1) && acmod != 1)
247 skip_bits(&gbc, 2); // cmixlev
249 skip_bits(&gbc, 2); // surmixlev
251 lfeon = get_bits1(&gbc);
253 init_put_bits(&pbc, buf, sizeof(buf));
254 put_bits(&pbc, 2, fscod);
255 put_bits(&pbc, 5, bsid);
256 put_bits(&pbc, 3, bsmod);
257 put_bits(&pbc, 3, acmod);
258 put_bits(&pbc, 1, lfeon);
259 put_bits(&pbc, 5, frmsizecod>>1); // bit_rate_code
260 put_bits(&pbc, 5, 0); // reserved
262 flush_put_bits(&pbc);
263 put_buffer(pb, buf, sizeof(buf));
269 * This function writes extradata "as is".
270 * Extradata must be formated like a valid atom (with size and tag)
272 static int mov_write_extradata_tag(ByteIOContext *pb, MOVTrack *track)
274 put_buffer(pb, track->enc->extradata, track->enc->extradata_size);
275 return track->enc->extradata_size;
278 static int mov_write_enda_tag(ByteIOContext *pb)
282 put_be16(pb, 1); /* little endian */
286 static unsigned int descrLength(unsigned int len)
289 for(i=1; len>>(7*i); i++);
293 static void putDescr(ByteIOContext *pb, int tag, unsigned int size)
295 int i= descrLength(size) - size - 2;
298 put_byte(pb, (size>>(7*i)) | 0x80);
299 put_byte(pb, size & 0x7F);
302 static int mov_write_esds_tag(ByteIOContext *pb, MOVTrack *track) // Basic
304 int64_t pos = url_ftell(pb);
305 int decoderSpecificInfoLen = track->vosLen ? descrLength(track->vosLen):0;
307 put_be32(pb, 0); // size
309 put_be32(pb, 0); // Version
312 putDescr(pb, 0x03, 3 + descrLength(13 + decoderSpecificInfoLen) +
314 put_be16(pb, track->trackID);
315 put_byte(pb, 0x00); // flags (= no flags)
317 // DecoderConfig descriptor
318 putDescr(pb, 0x04, 13 + decoderSpecificInfoLen);
320 // Object type indication
321 if ((track->enc->codec_id == CODEC_ID_MP2 ||
322 track->enc->codec_id == CODEC_ID_MP3) &&
323 track->enc->sample_rate > 24000)
324 put_byte(pb, 0x6B); // 11172-3
326 put_byte(pb, codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
328 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
329 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
330 if(track->enc->codec_type == CODEC_TYPE_AUDIO)
331 put_byte(pb, 0x15); // flags (= Audiostream)
333 put_byte(pb, 0x11); // flags (= Visualstream)
335 put_byte(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits)
336 put_be16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB
338 put_be32(pb, FFMAX(track->enc->bit_rate, track->enc->rc_max_rate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
339 if(track->enc->rc_max_rate != track->enc->rc_min_rate || track->enc->rc_min_rate==0)
340 put_be32(pb, 0); // vbr
342 put_be32(pb, track->enc->rc_max_rate); // avg bitrate
345 // DecoderSpecific info descriptor
346 putDescr(pb, 0x05, track->vosLen);
347 put_buffer(pb, track->vosData, track->vosLen);
351 putDescr(pb, 0x06, 1);
353 return updateSize(pb, pos);
356 static int mov_write_wave_tag(ByteIOContext *pb, MOVTrack *track)
358 int64_t pos = url_ftell(pb);
360 put_be32(pb, 0); /* size */
363 put_be32(pb, 12); /* size */
365 put_le32(pb, track->tag);
367 if (track->enc->codec_id == CODEC_ID_AAC) {
368 /* useless atom needed by mplayer, ipod, not needed by quicktime */
369 put_be32(pb, 12); /* size */
372 mov_write_esds_tag(pb, track);
373 } else if (track->enc->codec_id == CODEC_ID_PCM_S24LE ||
374 track->enc->codec_id == CODEC_ID_PCM_S32LE) {
375 mov_write_enda_tag(pb);
376 } else if (track->enc->codec_id == CODEC_ID_AMR_NB) {
377 mov_write_amr_tag(pb, track);
378 } else if (track->enc->codec_id == CODEC_ID_AC3) {
379 mov_write_ac3_tag(pb, track);
380 } else if (track->enc->codec_id == CODEC_ID_ALAC) {
381 mov_write_extradata_tag(pb, track);
384 put_be32(pb, 8); /* size */
385 put_be32(pb, 0); /* null tag */
387 return updateSize(pb, pos);
390 static int mov_write_glbl_tag(ByteIOContext *pb, MOVTrack *track)
392 put_be32(pb, track->vosLen+8);
394 put_buffer(pb, track->vosData, track->vosLen);
395 return 8+track->vosLen;
398 static int mov_write_audio_tag(ByteIOContext *pb, MOVTrack *track)
400 int64_t pos = url_ftell(pb);
401 int version = track->mode == MODE_MOV &&
403 track->enc->codec_id == CODEC_ID_PCM_S32LE ||
404 track->enc->codec_id == CODEC_ID_PCM_S24LE);
406 put_be32(pb, 0); /* size */
407 put_le32(pb, track->tag); // store it byteswapped
408 put_be32(pb, 0); /* Reserved */
409 put_be16(pb, 0); /* Reserved */
410 put_be16(pb, 1); /* Data-reference index, XXX == 1 */
412 /* SoundDescription */
413 put_be16(pb, version); /* Version */
414 put_be16(pb, 0); /* Revision level */
415 put_be32(pb, 0); /* Reserved */
417 if (track->mode == MODE_MOV) {
418 put_be16(pb, track->enc->channels);
419 if (track->enc->codec_id == CODEC_ID_PCM_U8 ||
420 track->enc->codec_id == CODEC_ID_PCM_S8)
421 put_be16(pb, 8); /* bits per sample */
424 put_be16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
425 } else { /* reserved for mp4/3gp */
431 put_be16(pb, 0); /* packet size (= 0) */
432 put_be16(pb, track->timescale); /* Time scale */
433 put_be16(pb, 0); /* Reserved */
435 if(version == 1) { /* SoundDescription V1 extended info */
436 put_be32(pb, track->enc->frame_size); /* Samples per packet */
437 put_be32(pb, track->sampleSize / track->enc->channels); /* Bytes per packet */
438 put_be32(pb, track->sampleSize); /* Bytes per frame */
439 put_be32(pb, 2); /* Bytes per sample */
442 if(track->mode == MODE_MOV &&
443 (track->enc->codec_id == CODEC_ID_AAC ||
444 track->enc->codec_id == CODEC_ID_AC3 ||
445 track->enc->codec_id == CODEC_ID_AMR_NB ||
446 track->enc->codec_id == CODEC_ID_PCM_S24LE ||
447 track->enc->codec_id == CODEC_ID_PCM_S32LE ||
448 track->enc->codec_id == CODEC_ID_ALAC))
449 mov_write_wave_tag(pb, track);
450 else if(track->tag == MKTAG('m','p','4','a'))
451 mov_write_esds_tag(pb, track);
452 else if(track->enc->codec_id == CODEC_ID_AMR_NB)
453 mov_write_amr_tag(pb, track);
454 else if(track->enc->codec_id == CODEC_ID_AC3)
455 mov_write_ac3_tag(pb, track);
456 else if(track->enc->codec_id == CODEC_ID_ALAC)
457 mov_write_extradata_tag(pb, track);
458 else if(track->vosLen > 0)
459 mov_write_glbl_tag(pb, track);
461 return updateSize(pb, pos);
464 static int mov_write_d263_tag(ByteIOContext *pb)
466 put_be32(pb, 0xf); /* size */
469 put_byte(pb, 0); /* decoder version */
470 /* FIXME use AVCodecContext level/profile, when encoder will set values */
471 put_byte(pb, 0xa); /* level */
472 put_byte(pb, 0); /* profile */
476 /* TODO: No idea about these values */
477 static int mov_write_svq3_tag(ByteIOContext *pb)
483 put_be32(pb, 0xe2c0211d);
484 put_be32(pb, 0xc0000000);
489 static int mov_write_avcc_tag(ByteIOContext *pb, MOVTrack *track)
491 int64_t pos = url_ftell(pb);
495 ff_isom_write_avcc(pb, track->vosData, track->vosLen);
496 return updateSize(pb, pos);
499 /* also used by all avid codecs (dv, imx, meridien) and their variants */
500 static int mov_write_avid_tag(ByteIOContext *pb, MOVTrack *track)
503 put_be32(pb, 24); /* size */
507 put_be32(pb, 1); /* yuv 1 / rgb 2 ? */
508 put_be32(pb, 0); /* unknown */
510 put_be32(pb, 24); /* size */
514 put_be32(pb, 1); /* unknown */
515 put_be32(pb, 0); /* unknown */
517 put_be32(pb, 120); /* size */
521 put_be32(pb, AV_RB32(track->vosData + 0x28)); /* dnxhd cid, some id ? */
522 put_be32(pb, track->enc->width);
523 /* values below are based on samples created with quicktime and avid codecs */
524 if (track->vosData[5] & 2) { // interlaced
525 put_be32(pb, track->enc->height/2);
526 put_be32(pb, 2); /* unknown */
527 put_be32(pb, 0); /* unknown */
528 put_be32(pb, 4); /* unknown */
530 put_be32(pb, track->enc->height);
531 put_be32(pb, 1); /* unknown */
532 put_be32(pb, 0); /* unknown */
533 if (track->enc->height == 1080)
534 put_be32(pb, 5); /* unknown */
536 put_be32(pb, 6); /* unknown */
539 for (i = 0; i < 10; i++)
542 /* extra padding for stsd needed */
547 static const AVCodecTag codec_3gp_tags[] = {
548 { CODEC_ID_H263, MKTAG('s','2','6','3') },
549 { CODEC_ID_H264, MKTAG('a','v','c','1') },
550 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
551 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
552 { CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
553 { CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
554 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
555 { CODEC_ID_NONE, 0 },
558 static const AVCodecTag mov_pix_fmt_tags[] = {
559 { PIX_FMT_YUYV422, MKTAG('y','u','v','s') },
560 { PIX_FMT_UYVY422, MKTAG('2','v','u','y') },
561 { PIX_FMT_BGR555, MKTAG('r','a','w',' ') },
562 { PIX_FMT_RGB24, MKTAG('r','a','w',' ') },
563 { PIX_FMT_BGR32_1, MKTAG('r','a','w',' ') },
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 mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
579 int tag = track->enc->codec_tag;
580 if (track->mode == MODE_MP4 || track->mode == MODE_PSP) {
581 if (!codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
583 if (track->enc->codec_id == CODEC_ID_H264) tag = MKTAG('a','v','c','1');
584 else if (track->enc->codec_id == CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
585 else if (track->enc->codec_id == CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
586 else if (track->enc->codec_id == CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
587 else if (track->enc->codec_type == CODEC_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
588 else if (track->enc->codec_type == CODEC_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
589 } else if (track->mode == MODE_IPOD) {
590 tag = codec_get_tag(codec_ipod_tags, track->enc->codec_id);
591 if (!match_ext(s->filename, "m4a") && !match_ext(s->filename, "m4v"))
592 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
593 "Quicktime/Ipod might not play the file\n");
594 } else if (track->mode & MODE_3GP) {
595 tag = codec_get_tag(codec_3gp_tags, track->enc->codec_id);
596 } else if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
597 (tag == MKTAG('d','v','c','p') ||
598 track->enc->codec_id == CODEC_ID_RAWVIDEO))) {
599 if (track->enc->codec_id == CODEC_ID_DVVIDEO) {
600 if (track->enc->height == 480) /* NTSC */
601 if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
602 else tag = MKTAG('d','v','c',' ');
603 else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
604 else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
605 else tag = MKTAG('d','v','p','p');
606 } else if (track->enc->codec_id == CODEC_ID_RAWVIDEO) {
607 tag = codec_get_tag(mov_pix_fmt_tags, track->enc->pix_fmt);
608 if (!tag) // restore tag
609 tag = track->enc->codec_tag;
611 if (track->enc->codec_type == CODEC_TYPE_VIDEO) {
612 tag = codec_get_tag(codec_movvideo_tags, track->enc->codec_id);
613 if (!tag) { // if no mac fcc found, try with Microsoft tags
614 tag = codec_get_tag(codec_bmp_tags, track->enc->codec_id);
616 av_log(s, AV_LOG_INFO, "Warning, using MS style video codec tag, "
617 "the file may be unplayable!\n");
619 } else if (track->enc->codec_type == CODEC_TYPE_AUDIO) {
620 tag = codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
621 if (!tag) { // if no mac fcc found, try with Microsoft tags
622 int ms_tag = codec_get_tag(codec_wav_tags, track->enc->codec_id);
624 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
625 av_log(s, AV_LOG_INFO, "Warning, using MS style audio codec tag, "
626 "the file may be unplayable!\n");
629 } else if (track->enc->codec_type == CODEC_TYPE_SUBTITLE) {
630 tag = codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
638 * Needed to make file play in iPods running newest firmware
639 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
641 static int mov_write_uuid_tag_ipod(ByteIOContext *pb)
645 put_be32(pb, 0x6b6840f2);
646 put_be32(pb, 0x5f244fc5);
647 put_be32(pb, 0xba39a51b);
648 put_be32(pb, 0xcf0323f3);
653 static int mov_write_subtitle_tag(ByteIOContext *pb, MOVTrack *track)
655 int64_t pos = url_ftell(pb);
656 put_be32(pb, 0); /* size */
657 put_le32(pb, track->tag); // store it byteswapped
658 put_be32(pb, 0); /* Reserved */
659 put_be16(pb, 0); /* Reserved */
660 put_be16(pb, 1); /* Data-reference index */
662 if (track->enc->extradata_size)
663 put_buffer(pb, track->enc->extradata, track->enc->extradata_size);
665 return updateSize(pb, pos);
668 static int mov_write_video_tag(ByteIOContext *pb, MOVTrack *track)
670 int64_t pos = url_ftell(pb);
671 char compressor_name[32];
673 put_be32(pb, 0); /* size */
674 put_le32(pb, track->tag); // store it byteswapped
675 put_be32(pb, 0); /* Reserved */
676 put_be16(pb, 0); /* Reserved */
677 put_be16(pb, 1); /* Data-reference index */
679 put_be16(pb, 0); /* Codec stream version */
680 put_be16(pb, 0); /* Codec stream revision (=0) */
681 if (track->mode == MODE_MOV) {
682 put_tag(pb, "FFMP"); /* Vendor */
683 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
684 put_be32(pb, 0); /* Temporal Quality */
685 put_be32(pb, 0x400); /* Spatial Quality = lossless*/
687 put_be32(pb, 0x200); /* Temporal Quality = normal */
688 put_be32(pb, 0x200); /* Spatial Quality = normal */
691 put_be32(pb, 0); /* Reserved */
692 put_be32(pb, 0); /* Reserved */
693 put_be32(pb, 0); /* Reserved */
695 put_be16(pb, track->enc->width); /* Video width */
696 put_be16(pb, track->height); /* Video height */
697 put_be32(pb, 0x00480000); /* Horizontal resolution 72dpi */
698 put_be32(pb, 0x00480000); /* Vertical resolution 72dpi */
699 put_be32(pb, 0); /* Data size (= 0) */
700 put_be16(pb, 1); /* Frame count (= 1) */
702 memset(compressor_name,0,32);
703 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
704 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
705 strncpy(compressor_name,track->enc->codec->name,31);
706 put_byte(pb, strlen(compressor_name));
707 put_buffer(pb, compressor_name, 31);
709 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
710 put_be16(pb, track->enc->bits_per_coded_sample);
712 put_be16(pb, 0x18); /* Reserved */
713 put_be16(pb, 0xffff); /* Reserved */
714 if(track->tag == MKTAG('m','p','4','v'))
715 mov_write_esds_tag(pb, track);
716 else if(track->enc->codec_id == CODEC_ID_H263)
717 mov_write_d263_tag(pb);
718 else if(track->enc->codec_id == CODEC_ID_SVQ3)
719 mov_write_svq3_tag(pb);
720 else if(track->enc->codec_id == CODEC_ID_DNXHD)
721 mov_write_avid_tag(pb, track);
722 else if(track->enc->codec_id == CODEC_ID_H264) {
723 mov_write_avcc_tag(pb, track);
724 if(track->mode == MODE_IPOD)
725 mov_write_uuid_tag_ipod(pb);
726 } else if(track->vosLen > 0)
727 mov_write_glbl_tag(pb, track);
729 return updateSize(pb, pos);
732 static int mov_write_stsd_tag(ByteIOContext *pb, MOVTrack *track)
734 int64_t pos = url_ftell(pb);
735 put_be32(pb, 0); /* size */
737 put_be32(pb, 0); /* version & flags */
738 put_be32(pb, 1); /* entry count */
739 if (track->enc->codec_type == CODEC_TYPE_VIDEO)
740 mov_write_video_tag(pb, track);
741 else if (track->enc->codec_type == CODEC_TYPE_AUDIO)
742 mov_write_audio_tag(pb, track);
743 else if (track->enc->codec_type == CODEC_TYPE_SUBTITLE)
744 mov_write_subtitle_tag(pb, track);
745 return updateSize(pb, pos);
748 static int mov_write_ctts_tag(ByteIOContext *pb, MOVTrack *track)
750 MOVStts *ctts_entries;
751 uint32_t entries = 0;
755 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
756 ctts_entries[0].count = 1;
757 ctts_entries[0].duration = track->cluster[0].cts;
758 for (i=1; i<track->entry; i++) {
759 if (track->cluster[i].cts == ctts_entries[entries].duration) {
760 ctts_entries[entries].count++; /* compress */
763 ctts_entries[entries].duration = track->cluster[i].cts;
764 ctts_entries[entries].count = 1;
767 entries++; /* last one */
768 atom_size = 16 + (entries * 8);
769 put_be32(pb, atom_size); /* size */
771 put_be32(pb, 0); /* version & flags */
772 put_be32(pb, entries); /* entry count */
773 for (i=0; i<entries; i++) {
774 put_be32(pb, ctts_entries[i].count);
775 put_be32(pb, ctts_entries[i].duration);
777 av_free(ctts_entries);
781 /* Time to sample atom */
782 static int mov_write_stts_tag(ByteIOContext *pb, MOVTrack *track)
784 MOVStts *stts_entries;
785 uint32_t entries = -1;
789 if (track->enc->codec_type == CODEC_TYPE_AUDIO && !track->audio_vbr) {
790 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
791 stts_entries[0].count = track->sampleCount;
792 stts_entries[0].duration = 1;
795 stts_entries = av_malloc(track->entry * sizeof(*stts_entries)); /* worst case */
796 for (i=0; i<track->entry; i++) {
797 int64_t duration = i + 1 == track->entry ?
798 track->trackDuration - track->cluster[i].dts + track->cluster[0].dts : /* readjusting */
799 track->cluster[i+1].dts - track->cluster[i].dts;
800 if (i && duration == stts_entries[entries].duration) {
801 stts_entries[entries].count++; /* compress */
804 stts_entries[entries].duration = duration;
805 stts_entries[entries].count = 1;
808 entries++; /* last one */
810 atom_size = 16 + (entries * 8);
811 put_be32(pb, atom_size); /* size */
813 put_be32(pb, 0); /* version & flags */
814 put_be32(pb, entries); /* entry count */
815 for (i=0; i<entries; i++) {
816 put_be32(pb, stts_entries[i].count);
817 put_be32(pb, stts_entries[i].duration);
819 av_free(stts_entries);
823 static int mov_write_dref_tag(ByteIOContext *pb)
825 put_be32(pb, 28); /* size */
827 put_be32(pb, 0); /* version & flags */
828 put_be32(pb, 1); /* entry count */
830 put_be32(pb, 0xc); /* size */
832 put_be32(pb, 1); /* version & flags */
837 static int mov_write_stbl_tag(ByteIOContext *pb, MOVTrack *track)
839 int64_t pos = url_ftell(pb);
840 put_be32(pb, 0); /* size */
842 mov_write_stsd_tag(pb, track);
843 mov_write_stts_tag(pb, track);
844 if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
845 track->hasKeyframes && track->hasKeyframes < track->entry)
846 mov_write_stss_tag(pb, track);
847 if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
849 mov_write_ctts_tag(pb, track);
850 mov_write_stsc_tag(pb, track);
851 mov_write_stsz_tag(pb, track);
852 mov_write_stco_tag(pb, track);
853 return updateSize(pb, pos);
856 static int mov_write_dinf_tag(ByteIOContext *pb)
858 int64_t pos = url_ftell(pb);
859 put_be32(pb, 0); /* size */
861 mov_write_dref_tag(pb);
862 return updateSize(pb, pos);
865 static int mov_write_nmhd_tag(ByteIOContext *pb)
873 static int mov_write_gmhd_tag(ByteIOContext *pb)
875 put_be32(pb, 0x20); /* size */
877 put_be32(pb, 0x18); /* gmin size */
878 put_tag(pb, "gmin"); /* generic media info */
879 put_be32(pb, 0); /* version & flags */
880 put_be16(pb, 0x40); /* graphics mode = */
881 put_be16(pb, 0x8000); /* opColor (r?) */
882 put_be16(pb, 0x8000); /* opColor (g?) */
883 put_be16(pb, 0x8000); /* opColor (b?) */
884 put_be16(pb, 0); /* balance */
885 put_be16(pb, 0); /* reserved */
889 static int mov_write_smhd_tag(ByteIOContext *pb)
891 put_be32(pb, 16); /* size */
893 put_be32(pb, 0); /* version & flags */
894 put_be16(pb, 0); /* reserved (balance, normally = 0) */
895 put_be16(pb, 0); /* reserved */
899 static int mov_write_vmhd_tag(ByteIOContext *pb)
901 put_be32(pb, 0x14); /* size (always 0x14) */
903 put_be32(pb, 0x01); /* version & flags */
904 put_be64(pb, 0); /* reserved (graphics mode = copy) */
908 static int mov_write_hdlr_tag(ByteIOContext *pb, MOVTrack *track)
910 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
911 int64_t pos = url_ftell(pb);
913 if (!track) { /* no media --> data handler */
916 descr = "DataHandler";
918 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
919 if (track->enc->codec_type == CODEC_TYPE_VIDEO) {
921 descr = "VideoHandler";
922 } else if (track->enc->codec_type == CODEC_TYPE_AUDIO) {
924 descr = "SoundHandler";
925 } else if (track->enc->codec_type == CODEC_TYPE_SUBTITLE) {
926 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
927 else hdlr_type = "text";
928 descr = "SubtitleHandler";
932 put_be32(pb, 0); /* size */
934 put_be32(pb, 0); /* Version & flags */
935 put_buffer(pb, hdlr, 4); /* handler */
936 put_tag(pb, hdlr_type); /* handler type */
937 put_be32(pb ,0); /* reserved */
938 put_be32(pb ,0); /* reserved */
939 put_be32(pb ,0); /* reserved */
940 put_byte(pb, strlen(descr)); /* string counter */
941 put_buffer(pb, descr, strlen(descr)); /* handler description */
942 return updateSize(pb, pos);
945 static int mov_write_minf_tag(ByteIOContext *pb, MOVTrack *track)
947 int64_t pos = url_ftell(pb);
948 put_be32(pb, 0); /* size */
950 if(track->enc->codec_type == CODEC_TYPE_VIDEO)
951 mov_write_vmhd_tag(pb);
952 else if (track->enc->codec_type == CODEC_TYPE_AUDIO)
953 mov_write_smhd_tag(pb);
954 else if (track->enc->codec_type == CODEC_TYPE_SUBTITLE) {
955 if (track->tag == MKTAG('t','e','x','t')) mov_write_gmhd_tag(pb);
956 else mov_write_nmhd_tag(pb);
958 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
959 mov_write_hdlr_tag(pb, NULL);
960 mov_write_dinf_tag(pb);
961 mov_write_stbl_tag(pb, track);
962 return updateSize(pb, pos);
965 static int mov_write_mdhd_tag(ByteIOContext *pb, MOVTrack *track)
967 int version = track->trackDuration < INT32_MAX ? 0 : 1;
969 (version == 1) ? put_be32(pb, 44) : put_be32(pb, 32); /* size */
971 put_byte(pb, version);
972 put_be24(pb, 0); /* flags */
974 put_be64(pb, track->time);
975 put_be64(pb, track->time);
977 put_be32(pb, track->time); /* creation time */
978 put_be32(pb, track->time); /* modification time */
980 put_be32(pb, track->timescale); /* time scale (sample rate for audio) */
981 (version == 1) ? put_be64(pb, track->trackDuration) : put_be32(pb, track->trackDuration); /* duration */
982 put_be16(pb, track->language); /* language */
983 put_be16(pb, 0); /* reserved (quality) */
985 if(version!=0 && track->mode == MODE_MOV){
986 av_log(NULL, AV_LOG_ERROR,
987 "FATAL error, file duration too long for timebase, this file will not be\n"
988 "playable with quicktime. Choose a different timebase or a different\n"
989 "container format\n");
995 static int mov_write_mdia_tag(ByteIOContext *pb, MOVTrack *track)
997 int64_t pos = url_ftell(pb);
998 put_be32(pb, 0); /* size */
1000 mov_write_mdhd_tag(pb, track);
1001 mov_write_hdlr_tag(pb, track);
1002 mov_write_minf_tag(pb, track);
1003 return updateSize(pb, pos);
1006 static int mov_write_tkhd_tag(ByteIOContext *pb, MOVTrack *track, AVStream *st)
1008 int64_t duration = av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP);
1009 int version = duration < INT32_MAX ? 0 : 1;
1011 (version == 1) ? put_be32(pb, 104) : put_be32(pb, 92); /* size */
1012 put_tag(pb, "tkhd");
1013 put_byte(pb, version);
1014 put_be24(pb, 0xf); /* flags (track enabled) */
1016 put_be64(pb, track->time);
1017 put_be64(pb, track->time);
1019 put_be32(pb, track->time); /* creation time */
1020 put_be32(pb, track->time); /* modification time */
1022 put_be32(pb, track->trackID); /* track-id */
1023 put_be32(pb, 0); /* reserved */
1024 (version == 1) ? put_be64(pb, duration) : put_be32(pb, duration);
1026 put_be32(pb, 0); /* reserved */
1027 put_be32(pb, 0); /* reserved */
1028 put_be32(pb, 0x0); /* reserved (Layer & Alternate group) */
1029 /* Volume, only for audio */
1030 if(track->enc->codec_type == CODEC_TYPE_AUDIO)
1031 put_be16(pb, 0x0100);
1034 put_be16(pb, 0); /* reserved */
1036 /* Matrix structure */
1037 put_be32(pb, 0x00010000); /* reserved */
1038 put_be32(pb, 0x0); /* reserved */
1039 put_be32(pb, 0x0); /* reserved */
1040 put_be32(pb, 0x0); /* reserved */
1041 put_be32(pb, 0x00010000); /* reserved */
1042 put_be32(pb, 0x0); /* reserved */
1043 put_be32(pb, 0x0); /* reserved */
1044 put_be32(pb, 0x0); /* reserved */
1045 put_be32(pb, 0x40000000); /* reserved */
1047 /* Track width and height, for visual only */
1048 if(track->enc->codec_type == CODEC_TYPE_VIDEO ||
1049 track->enc->codec_type == CODEC_TYPE_SUBTITLE) {
1050 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1051 if(!sample_aspect_ratio || track->height != track->enc->height)
1052 sample_aspect_ratio = 1;
1053 put_be32(pb, sample_aspect_ratio * track->enc->width*0x10000);
1054 put_be32(pb, track->height*0x10000);
1063 // This box seems important for the psp playback ... without it the movie seems to hang
1064 static int mov_write_edts_tag(ByteIOContext *pb, MOVTrack *track)
1066 put_be32(pb, 0x24); /* size */
1067 put_tag(pb, "edts");
1068 put_be32(pb, 0x1c); /* size */
1069 put_tag(pb, "elst");
1073 put_be32(pb, av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP)); /* duration ... doesn't seem to effect psp */
1075 put_be32(pb, track->cluster[0].cts); /* first pts is cts since dts is 0 */
1076 put_be32(pb, 0x00010000);
1080 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1081 static int mov_write_uuid_tag_psp(ByteIOContext *pb, MOVTrack *mov)
1083 put_be32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1084 put_tag(pb, "uuid");
1085 put_tag(pb, "USMT");
1086 put_be32(pb, 0x21d24fce);
1087 put_be32(pb, 0xbb88695c);
1088 put_be32(pb, 0xfac9c740);
1089 put_be32(pb, 0x1c); // another size here!
1090 put_tag(pb, "MTDT");
1091 put_be32(pb, 0x00010012);
1093 put_be32(pb, 0x55c40000);
1099 static int mov_write_trak_tag(ByteIOContext *pb, MOVTrack *track, AVStream *st)
1101 int64_t pos = url_ftell(pb);
1102 put_be32(pb, 0); /* size */
1103 put_tag(pb, "trak");
1104 mov_write_tkhd_tag(pb, track, st);
1105 if (track->mode == MODE_PSP || track->hasBframes)
1106 mov_write_edts_tag(pb, track); // PSP Movies require edts box
1107 mov_write_mdia_tag(pb, track);
1108 if (track->mode == MODE_PSP)
1109 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
1110 return updateSize(pb, pos);
1114 /* TODO: Not sorted out, but not necessary either */
1115 static int mov_write_iods_tag(ByteIOContext *pb, MOVMuxContext *mov)
1117 put_be32(pb, 0x15); /* size */
1118 put_tag(pb, "iods");
1119 put_be32(pb, 0); /* version & flags */
1120 put_be16(pb, 0x1007);
1122 put_be16(pb, 0x4fff);
1123 put_be16(pb, 0xfffe);
1124 put_be16(pb, 0x01ff);
1129 static int mov_write_mvhd_tag(ByteIOContext *pb, MOVMuxContext *mov)
1131 int maxTrackID = 1, i;
1132 int64_t maxTrackLenTemp, maxTrackLen = 0;
1135 for (i=0; i<mov->nb_streams; i++) {
1136 if(mov->tracks[i].entry > 0) {
1137 maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration, globalTimescale, mov->tracks[i].timescale, AV_ROUND_UP);
1138 if(maxTrackLen < maxTrackLenTemp)
1139 maxTrackLen = maxTrackLenTemp;
1140 if(maxTrackID < mov->tracks[i].trackID)
1141 maxTrackID = mov->tracks[i].trackID;
1145 version = maxTrackLen < UINT32_MAX ? 0 : 1;
1146 (version == 1) ? put_be32(pb, 120) : put_be32(pb, 108); /* size */
1147 put_tag(pb, "mvhd");
1148 put_byte(pb, version);
1149 put_be24(pb, 0); /* flags */
1151 put_be64(pb, mov->time);
1152 put_be64(pb, mov->time);
1154 put_be32(pb, mov->time); /* creation time */
1155 put_be32(pb, mov->time); /* modification time */
1157 put_be32(pb, mov->timescale); /* timescale */
1158 (version == 1) ? put_be64(pb, maxTrackLen) : put_be32(pb, maxTrackLen); /* duration of longest track */
1160 put_be32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1161 put_be16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1162 put_be16(pb, 0); /* reserved */
1163 put_be32(pb, 0); /* reserved */
1164 put_be32(pb, 0); /* reserved */
1166 /* Matrix structure */
1167 put_be32(pb, 0x00010000); /* reserved */
1168 put_be32(pb, 0x0); /* reserved */
1169 put_be32(pb, 0x0); /* reserved */
1170 put_be32(pb, 0x0); /* reserved */
1171 put_be32(pb, 0x00010000); /* reserved */
1172 put_be32(pb, 0x0); /* reserved */
1173 put_be32(pb, 0x0); /* reserved */
1174 put_be32(pb, 0x0); /* reserved */
1175 put_be32(pb, 0x40000000); /* reserved */
1177 put_be32(pb, 0); /* reserved (preview time) */
1178 put_be32(pb, 0); /* reserved (preview duration) */
1179 put_be32(pb, 0); /* reserved (poster time) */
1180 put_be32(pb, 0); /* reserved (selection time) */
1181 put_be32(pb, 0); /* reserved (selection duration) */
1182 put_be32(pb, 0); /* reserved (current time) */
1183 put_be32(pb, maxTrackID+1); /* Next track id */
1187 static int mov_write_itunes_hdlr_tag(ByteIOContext *pb, MOVMuxContext *mov,
1190 int64_t pos = url_ftell(pb);
1191 put_be32(pb, 0); /* size */
1192 put_tag(pb, "hdlr");
1195 put_tag(pb, "mdir");
1196 put_tag(pb, "appl");
1200 return updateSize(pb, pos);
1203 /* helper function to write a data tag with the specified string as data */
1204 static int mov_write_string_data_tag(ByteIOContext *pb, const char *data, int lang, int long_style)
1207 int64_t pos = url_ftell(pb);
1208 put_be32(pb, 0); /* size */
1209 put_tag(pb, "data");
1212 put_buffer(pb, data, strlen(data));
1213 return updateSize(pb, pos);
1215 put_be16(pb, strlen(data)); /* string length */
1217 put_buffer(pb, data, strlen(data));
1218 return strlen(data) + 4;
1222 static int mov_write_string_tag(ByteIOContext *pb, const char *name, const char *value, int lang, int long_style){
1224 if (value && value[0]) {
1225 int64_t pos = url_ftell(pb);
1226 put_be32(pb, 0); /* size */
1228 mov_write_string_data_tag(pb, value, lang, long_style);
1229 size= updateSize(pb, pos);
1234 static int mov_write_string_metadata(AVFormatContext *s, ByteIOContext *pb,
1235 const char *name, const char *tag,
1238 int l, lang = 0, len, len2;
1239 AVMetadataTag *t, *t2 = NULL;
1242 if (!(t = av_metadata_get(s->metadata, tag, NULL, 0)))
1245 len = strlen(t->key);
1246 snprintf(tag2, sizeof(tag2), "%s-", tag);
1247 while ((t2 = av_metadata_get(s->metadata, tag2, t2, AV_METADATA_IGNORE_SUFFIX))) {
1248 len2 = strlen(t2->key);
1249 if (len2 == len+4 && !strcmp(t->value, t2->value)
1250 && (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 0)) >= 0) {
1255 return mov_write_string_tag(pb, name, t->value, lang, long_style);
1258 /* iTunes track number */
1259 static int mov_write_trkn_tag(ByteIOContext *pb, MOVMuxContext *mov,
1262 AVMetadataTag *t = av_metadata_get(s->metadata, "track", NULL, 0);
1263 int size = 0, track = t ? atoi(t->value) : 0;
1265 int64_t pos = url_ftell(pb);
1266 put_be32(pb, 0); /* size */
1267 put_tag(pb, "trkn");
1269 int64_t pos = url_ftell(pb);
1270 put_be32(pb, 0); /* size */
1271 put_tag(pb, "data");
1272 put_be32(pb, 0); // 8 bytes empty
1274 put_be16(pb, 0); // empty
1275 put_be16(pb, track); // track number
1276 put_be16(pb, 0); // total track number
1277 put_be16(pb, 0); // empty
1278 updateSize(pb, pos);
1280 size = updateSize(pb, pos);
1285 /* iTunes meta data list */
1286 static int mov_write_ilst_tag(ByteIOContext *pb, MOVMuxContext *mov,
1289 int64_t pos = url_ftell(pb);
1290 put_be32(pb, 0); /* size */
1291 put_tag(pb, "ilst");
1292 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
1293 mov_write_string_metadata(s, pb, "\251ART", "author" , 1);
1294 mov_write_string_metadata(s, pb, "\251wrt", "author" , 1);
1295 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
1296 mov_write_string_metadata(s, pb, "\251day", "year" , 1);
1297 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
1298 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
1299 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
1300 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
1301 mov_write_trkn_tag(pb, mov, s);
1302 return updateSize(pb, pos);
1305 /* iTunes meta data tag */
1306 static int mov_write_meta_tag(ByteIOContext *pb, MOVMuxContext *mov,
1310 int64_t pos = url_ftell(pb);
1311 put_be32(pb, 0); /* size */
1312 put_tag(pb, "meta");
1314 mov_write_itunes_hdlr_tag(pb, mov, s);
1315 mov_write_ilst_tag(pb, mov, s);
1316 size = updateSize(pb, pos);
1320 static int utf8len(const uint8_t *b)
1325 GET_UTF8(val, *b++, return -1;)
1331 static int ascii_to_wc(ByteIOContext *pb, const uint8_t *b)
1335 GET_UTF8(val, *b++, return -1;)
1342 static uint16_t language_code(const char *str)
1344 return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
1347 static int mov_write_3gp_udta_tag(ByteIOContext *pb, AVFormatContext *s,
1348 const char *tag, const char *str)
1350 int64_t pos = url_ftell(pb);
1351 AVMetadataTag *t = av_metadata_get(s->metadata, str, NULL, 0);
1352 if (!t || !utf8len(t->value))
1354 put_be32(pb, 0); /* size */
1355 put_tag (pb, tag); /* type */
1356 put_be32(pb, 0); /* version + flags */
1357 if (!strcmp(tag, "yrrc"))
1358 put_be16(pb, atoi(t->value));
1360 put_be16(pb, language_code("eng")); /* language */
1361 ascii_to_wc(pb, t->value);
1362 if (!strcmp(tag, "albm") &&
1363 (t = av_metadata_get(s->metadata, "year", NULL, 0)))
1364 put_byte(pb, atoi(t->value));
1366 return updateSize(pb, pos);
1369 static int mov_write_udta_tag(ByteIOContext *pb, MOVMuxContext *mov,
1372 ByteIOContext *pb_buf;
1376 for (i = 0; i < s->nb_streams; i++)
1377 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
1381 ret = url_open_dyn_buf(&pb_buf);
1385 if (mov->mode & MODE_3GP) {
1386 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
1387 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
1388 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
1389 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
1390 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
1391 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
1392 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "year");
1393 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
1394 mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0);
1395 mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0);
1396 mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0);
1397 mov_write_string_metadata(s, pb_buf, "\251day", "year" , 0);
1398 mov_write_string_tag(pb_buf, "\251enc", LIBAVFORMAT_IDENT, 0, 0);
1399 mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0);
1400 mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0);
1401 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0);
1403 /* iTunes meta data */
1404 mov_write_meta_tag(pb_buf, mov, s);
1407 if ((size = url_close_dyn_buf(pb_buf, &buf)) > 0) {
1408 put_be32(pb, size+8);
1409 put_tag(pb, "udta");
1410 put_buffer(pb, buf, size);
1417 static void mov_write_psp_udta_tag(ByteIOContext *pb,
1418 const char *str, const char *lang, int type)
1420 int len = utf8len(str)+1;
1423 put_be16(pb, len*2+10); /* size */
1424 put_be32(pb, type); /* type */
1425 put_be16(pb, language_code(lang)); /* language */
1426 put_be16(pb, 0x01); /* ? */
1427 ascii_to_wc(pb, str);
1430 static int mov_write_uuidusmt_tag(ByteIOContext *pb, AVFormatContext *s)
1432 AVMetadataTag *title = av_metadata_get(s->metadata, "title", NULL, 0);
1436 pos = url_ftell(pb);
1437 put_be32(pb, 0); /* size placeholder*/
1438 put_tag(pb, "uuid");
1439 put_tag(pb, "USMT");
1440 put_be32(pb, 0x21d24fce); /* 96 bit UUID */
1441 put_be32(pb, 0xbb88695c);
1442 put_be32(pb, 0xfac9c740);
1444 pos2 = url_ftell(pb);
1445 put_be32(pb, 0); /* size placeholder*/
1446 put_tag(pb, "MTDT");
1450 put_be16(pb, 0x0C); /* size */
1451 put_be32(pb, 0x0B); /* type */
1452 put_be16(pb, language_code("und")); /* language */
1453 put_be16(pb, 0x0); /* ? */
1454 put_be16(pb, 0x021C); /* data */
1456 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
1457 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
1458 // 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);
1459 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
1461 updateSize(pb, pos2);
1462 return updateSize(pb, pos);
1468 static int mov_write_moov_tag(ByteIOContext *pb, MOVMuxContext *mov,
1472 int64_t pos = url_ftell(pb);
1473 put_be32(pb, 0); /* size placeholder*/
1474 put_tag(pb, "moov");
1475 mov->timescale = globalTimescale;
1477 for (i=0; i<mov->nb_streams; i++) {
1478 if(mov->tracks[i].entry <= 0) continue;
1480 mov->tracks[i].time = mov->time;
1481 mov->tracks[i].trackID = i+1;
1484 mov_write_mvhd_tag(pb, mov);
1485 //mov_write_iods_tag(pb, mov);
1486 for (i=0; i<mov->nb_streams; i++) {
1487 if(mov->tracks[i].entry > 0) {
1488 mov_write_trak_tag(pb, &(mov->tracks[i]), s->streams[i]);
1492 if (mov->mode == MODE_PSP)
1493 mov_write_uuidusmt_tag(pb, s);
1495 mov_write_udta_tag(pb, mov, s);
1497 return updateSize(pb, pos);
1500 static int mov_write_mdat_tag(ByteIOContext *pb, MOVMuxContext *mov)
1502 put_be32(pb, 8); // placeholder for extended size field (64 bit)
1503 put_tag(pb, mov->mode == MODE_MOV ? "wide" : "free");
1505 mov->mdat_pos = url_ftell(pb);
1506 put_be32(pb, 0); /* size placeholder*/
1507 put_tag(pb, "mdat");
1511 /* TODO: This needs to be more general */
1512 static int mov_write_ftyp_tag(ByteIOContext *pb, AVFormatContext *s)
1514 MOVMuxContext *mov = s->priv_data;
1515 int64_t pos = url_ftell(pb);
1516 int has_h264 = 0, has_video = 0;
1520 for (i = 0; i < s->nb_streams; i++) {
1521 AVStream *st = s->streams[i];
1522 if (st->codec->codec_type == CODEC_TYPE_VIDEO)
1524 if (st->codec->codec_id == CODEC_ID_H264)
1528 put_be32(pb, 0); /* size */
1529 put_tag(pb, "ftyp");
1531 if (mov->mode == MODE_3GP) {
1532 put_tag(pb, has_h264 ? "3gp6" : "3gp4");
1533 minor = has_h264 ? 0x100 : 0x200;
1534 } else if (mov->mode & MODE_3G2) {
1535 put_tag(pb, has_h264 ? "3g2b" : "3g2a");
1536 minor = has_h264 ? 0x20000 : 0x10000;
1537 }else if (mov->mode == MODE_PSP)
1538 put_tag(pb, "MSNV");
1539 else if (mov->mode == MODE_MP4)
1540 put_tag(pb, "isom");
1541 else if (mov->mode == MODE_IPOD)
1542 put_tag(pb, has_video ? "M4V ":"M4A ");
1546 put_be32(pb, minor);
1548 if(mov->mode == MODE_MOV)
1551 put_tag(pb, "isom");
1552 put_tag(pb, "iso2");
1554 put_tag(pb, "avc1");
1557 if (mov->mode == MODE_3GP)
1558 put_tag(pb, has_h264 ? "3gp6":"3gp4");
1559 else if (mov->mode & MODE_3G2)
1560 put_tag(pb, has_h264 ? "3g2b":"3g2a");
1561 else if (mov->mode == MODE_PSP)
1562 put_tag(pb, "MSNV");
1563 else if (mov->mode == MODE_MP4)
1564 put_tag(pb, "mp41");
1565 return updateSize(pb, pos);
1568 static void mov_write_uuidprof_tag(ByteIOContext *pb, AVFormatContext *s)
1570 AVCodecContext *VideoCodec = s->streams[0]->codec;
1571 AVCodecContext *AudioCodec = s->streams[1]->codec;
1572 int AudioRate = AudioCodec->sample_rate;
1573 int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num);
1574 int audio_kbitrate= AudioCodec->bit_rate / 1000;
1575 int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate);
1577 put_be32(pb, 0x94); /* size */
1578 put_tag(pb, "uuid");
1579 put_tag(pb, "PROF");
1581 put_be32(pb, 0x21d24fce); /* 96 bit UUID */
1582 put_be32(pb, 0xbb88695c);
1583 put_be32(pb, 0xfac9c740);
1585 put_be32(pb, 0x0); /* ? */
1586 put_be32(pb, 0x3); /* 3 sections ? */
1588 put_be32(pb, 0x14); /* size */
1589 put_tag(pb, "FPRF");
1590 put_be32(pb, 0x0); /* ? */
1591 put_be32(pb, 0x0); /* ? */
1592 put_be32(pb, 0x0); /* ? */
1594 put_be32(pb, 0x2c); /* size */
1595 put_tag(pb, "APRF"); /* audio */
1597 put_be32(pb, 0x2); /* TrackID */
1598 put_tag(pb, "mp4a");
1599 put_be32(pb, 0x20f);
1601 put_be32(pb, audio_kbitrate);
1602 put_be32(pb, audio_kbitrate);
1603 put_be32(pb, AudioRate);
1604 put_be32(pb, AudioCodec->channels);
1606 put_be32(pb, 0x34); /* size */
1607 put_tag(pb, "VPRF"); /* video */
1609 put_be32(pb, 0x1); /* TrackID */
1610 if (VideoCodec->codec_id == CODEC_ID_H264) {
1611 put_tag(pb, "avc1");
1612 put_be16(pb, 0x014D);
1613 put_be16(pb, 0x0015);
1615 put_tag(pb, "mp4v");
1616 put_be16(pb, 0x0000);
1617 put_be16(pb, 0x0103);
1620 put_be32(pb, video_kbitrate);
1621 put_be32(pb, video_kbitrate);
1622 put_be32(pb, FrameRate);
1623 put_be32(pb, FrameRate);
1624 put_be16(pb, VideoCodec->width);
1625 put_be16(pb, VideoCodec->height);
1626 put_be32(pb, 0x010001); /* ? */
1629 static int mov_write_header(AVFormatContext *s)
1631 ByteIOContext *pb = s->pb;
1632 MOVMuxContext *mov = s->priv_data;
1635 if (url_is_streamed(s->pb)) {
1636 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
1640 /* Default mode == MP4 */
1641 mov->mode = MODE_MP4;
1643 if (s->oformat != NULL) {
1644 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
1645 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
1646 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
1647 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
1648 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
1650 mov_write_ftyp_tag(pb,s);
1651 if (mov->mode == MODE_PSP) {
1652 if (s->nb_streams != 2) {
1653 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
1656 mov_write_uuidprof_tag(pb,s);
1660 for(i=0; i<s->nb_streams; i++){
1661 AVStream *st= s->streams[i];
1662 MOVTrack *track= &mov->tracks[i];
1663 AVMetadataTag *lang = av_metadata_get(st->metadata, "language", NULL,0);
1665 track->enc = st->codec;
1666 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
1667 if (track->language < 0)
1668 track->language = 0;
1669 track->mode = mov->mode;
1670 track->tag = mov_find_codec_tag(s, track);
1672 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
1673 "codec not currently supported in container\n", i);
1676 if(st->codec->codec_type == CODEC_TYPE_VIDEO){
1677 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
1678 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
1679 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
1680 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
1681 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
1684 track->height = track->tag>>24 == 'n' ? 486 : 576;
1686 track->timescale = st->codec->time_base.den;
1687 av_set_pts_info(st, 64, 1, st->codec->time_base.den);
1688 if (track->mode == MODE_MOV && track->timescale > 100000)
1689 av_log(s, AV_LOG_WARNING,
1690 "WARNING codec timebase is very high. If duration is too long,\n"
1691 "file may not be playable by quicktime. Specify a shorter timebase\n"
1692 "or choose different container.\n");
1693 }else if(st->codec->codec_type == CODEC_TYPE_AUDIO){
1694 track->timescale = st->codec->sample_rate;
1695 av_set_pts_info(st, 64, 1, st->codec->sample_rate);
1696 if(!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
1697 av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
1699 }else if(st->codec->frame_size > 1){ /* assume compressed audio */
1700 track->audio_vbr = 1;
1702 st->codec->frame_size = 1;
1703 track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
1705 if(track->mode != MODE_MOV &&
1706 track->enc->codec_id == CODEC_ID_MP3 && track->enc->sample_rate < 16000){
1707 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
1708 i, track->enc->sample_rate);
1711 }else if(st->codec->codec_type == CODEC_TYPE_SUBTITLE){
1712 track->timescale = st->codec->time_base.den;
1713 av_set_pts_info(st, 64, 1, st->codec->time_base.den);
1716 track->height = st->codec->height;
1719 mov_write_mdat_tag(pb, mov);
1720 mov->time = s->timestamp + 0x7C25B080; //1970 based -> 1904 based
1721 mov->nb_streams = s->nb_streams;
1723 put_flush_packet(pb);
1728 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
1730 MOVMuxContext *mov = s->priv_data;
1731 ByteIOContext *pb = s->pb;
1732 MOVTrack *trk = &mov->tracks[pkt->stream_index];
1733 AVCodecContext *enc = trk->enc;
1734 unsigned int samplesInChunk = 0;
1735 int size= pkt->size;
1737 if (url_is_streamed(s->pb)) return 0; /* Can't handle that */
1738 if (!size) return 0; /* Discard 0 sized packets */
1740 if (enc->codec_id == CODEC_ID_AMR_NB) {
1741 /* We must find out how many AMR blocks there are in one packet */
1742 static uint16_t packed_size[16] =
1743 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 0};
1746 while (len < size && samplesInChunk < 100) {
1747 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
1750 if(samplesInChunk > 1){
1751 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
1754 } else if (trk->sampleSize)
1755 samplesInChunk = size/trk->sampleSize;
1759 /* copy extradata if it exists */
1760 if (trk->vosLen == 0 && enc->extradata_size > 0) {
1761 trk->vosLen = enc->extradata_size;
1762 trk->vosData = av_malloc(trk->vosLen);
1763 memcpy(trk->vosData, enc->extradata, trk->vosLen);
1766 if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) {
1767 /* from x264 or from bytestream h264 */
1768 /* nal reformating needed */
1769 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
1771 put_buffer(pb, pkt->data, size);
1774 if ((enc->codec_id == CODEC_ID_DNXHD ||
1775 enc->codec_id == CODEC_ID_AC3) && !trk->vosLen) {
1776 /* copy frame to create needed atoms */
1778 trk->vosData = av_malloc(size);
1780 return AVERROR(ENOMEM);
1781 memcpy(trk->vosData, pkt->data, size);
1784 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
1785 trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster));
1790 trk->cluster[trk->entry].pos = url_ftell(pb) - size;
1791 trk->cluster[trk->entry].samplesInChunk = samplesInChunk;
1792 trk->cluster[trk->entry].size = size;
1793 trk->cluster[trk->entry].entries = samplesInChunk;
1794 trk->cluster[trk->entry].dts = pkt->dts;
1795 trk->trackDuration = pkt->dts - trk->cluster[0].dts + pkt->duration;
1797 if (pkt->pts == AV_NOPTS_VALUE) {
1798 av_log(s, AV_LOG_WARNING, "pts has no value\n");
1799 pkt->pts = pkt->dts;
1801 if (pkt->dts != pkt->pts)
1802 trk->hasBframes = 1;
1803 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
1804 trk->cluster[trk->entry].key_frame = !!(pkt->flags & PKT_FLAG_KEY);
1805 if(trk->cluster[trk->entry].key_frame)
1806 trk->hasKeyframes++;
1808 trk->sampleCount += samplesInChunk;
1809 mov->mdat_size += size;
1811 put_flush_packet(pb);
1815 static int mov_write_trailer(AVFormatContext *s)
1817 MOVMuxContext *mov = s->priv_data;
1818 ByteIOContext *pb = s->pb;
1822 int64_t moov_pos = url_ftell(pb);
1824 /* Write size of mdat tag */
1825 if (mov->mdat_size+8 <= UINT32_MAX) {
1826 url_fseek(pb, mov->mdat_pos, SEEK_SET);
1827 put_be32(pb, mov->mdat_size+8);
1829 /* overwrite 'wide' placeholder atom */
1830 url_fseek(pb, mov->mdat_pos - 8, SEEK_SET);
1831 put_be32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */
1832 put_tag(pb, "mdat");
1833 put_be64(pb, mov->mdat_size+16);
1835 url_fseek(pb, moov_pos, SEEK_SET);
1837 mov_write_moov_tag(pb, mov, s);
1839 for (i=0; i<mov->nb_streams; i++) {
1840 av_freep(&mov->tracks[i].cluster);
1842 if(mov->tracks[i].vosLen) av_free(mov->tracks[i].vosData);
1846 put_flush_packet(pb);
1851 #if CONFIG_MOV_MUXER
1852 AVOutputFormat mov_muxer = {
1854 NULL_IF_CONFIG_SMALL("MOV format"),
1857 sizeof(MOVMuxContext),
1863 .flags = AVFMT_GLOBALHEADER | AVFMT_VARIABLE_FPS,
1864 .codec_tag = (const AVCodecTag* const []){codec_movvideo_tags, codec_movaudio_tags, 0},
1867 #if CONFIG_TGP_MUXER
1868 AVOutputFormat tgp_muxer = {
1870 NULL_IF_CONFIG_SMALL("3GP format"),
1873 sizeof(MOVMuxContext),
1879 .flags = AVFMT_GLOBALHEADER,
1880 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
1883 #if CONFIG_MP4_MUXER
1884 AVOutputFormat mp4_muxer = {
1886 NULL_IF_CONFIG_SMALL("MP4 format"),
1889 sizeof(MOVMuxContext),
1895 .flags = AVFMT_GLOBALHEADER | AVFMT_VARIABLE_FPS,
1896 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
1899 #if CONFIG_PSP_MUXER
1900 AVOutputFormat psp_muxer = {
1902 NULL_IF_CONFIG_SMALL("PSP MP4 format"),
1905 sizeof(MOVMuxContext),
1911 .flags = AVFMT_GLOBALHEADER,
1912 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
1915 #if CONFIG_TG2_MUXER
1916 AVOutputFormat tg2_muxer = {
1918 NULL_IF_CONFIG_SMALL("3GP2 format"),
1921 sizeof(MOVMuxContext),
1927 .flags = AVFMT_GLOBALHEADER,
1928 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
1931 #if CONFIG_IPOD_MUXER
1932 AVOutputFormat ipod_muxer = {
1934 NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"),
1937 sizeof(MOVMuxContext),
1943 .flags = AVFMT_GLOBALHEADER,
1944 .codec_tag = (const AVCodecTag* const []){codec_ipod_tags, 0},