2 * MOV, 3GP, MP4 encoder.
3 * Copyright (c) 2003 Thomas Raivio.
4 * Copyright (c) 2004 Gildas Bazin <gbazin at videolan dot org>.
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
28 #define MOV_INDEX_CLUSTER_SIZE 16384
29 #define globalTimescale 1000
34 #define MODE_PSP 3 // example working PSP command line:
35 // ffmpeg -i testinput.avi -f psp -r 14.985 -s 320x240 -b 768 -ar 24000 -ab 32 M4V00001.MP4
38 typedef struct MOVIentry {
39 unsigned int flags, size;
41 unsigned int samplesInChunk;
47 typedef struct MOVIndex {
53 int64_t trackDuration;
68 typedef struct MOVContext {
75 MOVTrack tracks[MAX_STREAMS];
78 //FIXME supprt 64bit varaint with wide placeholders
79 static offset_t updateSize (ByteIOContext *pb, offset_t pos)
81 offset_t curpos = url_ftell(pb);
82 url_fseek(pb, pos, SEEK_SET);
83 put_be32(pb, curpos - pos); /* rewrite size */
84 url_fseek(pb, curpos, SEEK_SET);
89 /* Chunk offset atom */
90 static int mov_write_stco_tag(ByteIOContext *pb, MOVTrack* track)
93 int mode64 = 0; // use 32 bit size variant if possible
94 offset_t pos = url_ftell(pb);
95 put_be32(pb, 0); /* size */
96 if (pos > UINT32_MAX) {
101 put_be32(pb, 0); /* version & flags */
102 put_be32(pb, track->entry); /* entry count */
103 for (i=0; i<track->entry; i++) {
104 int cl = i / MOV_INDEX_CLUSTER_SIZE;
105 int id = i % MOV_INDEX_CLUSTER_SIZE;
107 put_be64(pb, track->cluster[cl][id].pos);
109 put_be32(pb, track->cluster[cl][id].pos);
111 return updateSize (pb, pos);
114 /* Sample size atom */
115 static int mov_write_stsz_tag(ByteIOContext *pb, MOVTrack* track)
118 int i, j, entries = 0, tst = -1, oldtst = -1;
120 offset_t pos = url_ftell(pb);
121 put_be32(pb, 0); /* size */
123 put_be32(pb, 0); /* version & flags */
125 for (i=0; i<track->entry; i++) {
126 int cl = i / MOV_INDEX_CLUSTER_SIZE;
127 int id = i % MOV_INDEX_CLUSTER_SIZE;
128 tst = track->cluster[cl][id].size/track->cluster[cl][id].entries;
129 if(oldtst != -1 && tst != oldtst) {
133 entries += track->cluster[cl][id].entries;
136 int sSize = track->cluster[0][0].size/track->cluster[0][0].entries;
137 put_be32(pb, sSize); // sample size
138 put_be32(pb, entries); // sample count
141 put_be32(pb, 0); // sample size
142 put_be32(pb, entries); // sample count
143 for (i=0; i<track->entry; i++) {
144 int cl = i / MOV_INDEX_CLUSTER_SIZE;
145 int id = i % MOV_INDEX_CLUSTER_SIZE;
146 for ( j=0; j<track->cluster[cl][id].entries; j++) {
147 put_be32(pb, track->cluster[cl][id].size /
148 track->cluster[cl][id].entries);
152 return updateSize (pb, pos);
155 /* Sample to chunk atom */
156 static int mov_write_stsc_tag(ByteIOContext *pb, MOVTrack* track)
158 int index = 0, oldval = -1, i;
159 offset_t entryPos, curpos;
161 offset_t pos = url_ftell(pb);
162 put_be32(pb, 0); /* size */
164 put_be32(pb, 0); // version & flags
165 entryPos = url_ftell(pb);
166 put_be32(pb, track->entry); // entry count
167 for (i=0; i<track->entry; i++) {
168 int cl = i / MOV_INDEX_CLUSTER_SIZE;
169 int id = i % MOV_INDEX_CLUSTER_SIZE;
170 if(oldval != track->cluster[cl][id].samplesInChunk)
172 put_be32(pb, i+1); // first chunk
173 put_be32(pb, track->cluster[cl][id].samplesInChunk); // samples per chunk
174 put_be32(pb, 0x1); // sample description index
175 oldval = track->cluster[cl][id].samplesInChunk;
179 curpos = url_ftell(pb);
180 url_fseek(pb, entryPos, SEEK_SET);
181 put_be32(pb, index); // rewrite size
182 url_fseek(pb, curpos, SEEK_SET);
184 return updateSize (pb, pos);
187 /* Sync sample atom */
188 static int mov_write_stss_tag(ByteIOContext *pb, MOVTrack* track)
190 offset_t curpos, entryPos;
192 offset_t pos = url_ftell(pb);
193 put_be32(pb, 0); // size
195 put_be32(pb, 0); // version & flags
196 entryPos = url_ftell(pb);
197 put_be32(pb, track->entry); // entry count
198 for (i=0; i<track->entry; i++) {
199 int cl = i / MOV_INDEX_CLUSTER_SIZE;
200 int id = i % MOV_INDEX_CLUSTER_SIZE;
201 if(track->cluster[cl][id].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_damr_tag(ByteIOContext *pb)
215 put_be32(pb, 0x11); /* size */
220 //put_be16(pb, 0x80); /* Mode set (all modes for AMR_NB) */
221 //put_be16(pb, 0xa); /* Mode change period (no restriction) */
222 put_be16(pb, 0x81ff); /* Mode set (all modes for AMR_NB) */
223 put_be16(pb, 1); /* Mode change period (no restriction) */
227 static int mov_write_samr_tag(ByteIOContext *pb)
229 put_be32(pb, 0x11); /* size */
234 put_be16(pb, 0x80); /* Mode set (all modes for AMR_NB) */
235 put_be16(pb, 0x5); /* Mode change period (no restriction) */
239 static int mov_write_enda_tag(ByteIOContext *pb)
243 put_be16(pb, 1); /* little endian */
247 static unsigned int descrLength(unsigned int len)
250 for(i=1; len>>(7*i); i++);
254 static void putDescr(ByteIOContext *pb, int tag, unsigned int size)
256 int i= descrLength(size) - size - 2;
259 put_byte(pb, (size>>(7*i)) | 0x80);
260 put_byte(pb, size & 0x7F);
263 static int mov_write_esds_tag(ByteIOContext *pb, MOVTrack* track) // Basic
265 offset_t pos = url_ftell(pb);
266 int decoderSpecificInfoLen = track->vosLen ? descrLength(track->vosLen):0;
268 put_be32(pb, 0); // size
270 put_be32(pb, 0); // Version
273 putDescr(pb, 0x03, 3 + descrLength(13 + decoderSpecificInfoLen) +
275 put_be16(pb, track->trackID);
276 put_byte(pb, 0x00); // flags (= no flags)
278 // DecoderConfig descriptor
279 putDescr(pb, 0x04, 13 + decoderSpecificInfoLen);
281 // Object type indication
282 put_byte(pb, codec_get_tag(ff_mov_obj_type, track->enc->codec_id));
284 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
285 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
286 if(track->enc->codec_type == CODEC_TYPE_AUDIO)
287 put_byte(pb, 0x15); // flags (= Audiostream)
289 put_byte(pb, 0x11); // flags (= Visualstream)
291 put_byte(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits)
292 put_be16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB
294 put_be32(pb, FFMAX(track->enc->bit_rate, track->enc->rc_max_rate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
295 if(track->enc->rc_max_rate != track->enc->rc_min_rate || track->enc->rc_min_rate==0)
296 put_be32(pb, 0); // vbr
298 put_be32(pb, track->enc->rc_max_rate); // avg bitrate
302 // DecoderSpecific info descriptor
303 putDescr(pb, 0x05, track->vosLen);
304 put_buffer(pb, track->vosData, track->vosLen);
309 putDescr(pb, 0x06, 1);
311 return updateSize (pb, pos);
314 static int mov_write_wave_tag(ByteIOContext *pb, MOVTrack* track)
316 offset_t pos = url_ftell(pb);
318 put_be32(pb, 0); /* size */
321 put_be32(pb, 12); /* size */
323 put_le32(pb, track->tag);
325 if (track->enc->codec_id == CODEC_ID_AAC) {
326 mov_write_esds_tag(pb, track);
327 } else if (track->enc->codec_id == CODEC_ID_PCM_S24LE ||
328 track->enc->codec_id == CODEC_ID_PCM_S32LE) {
329 mov_write_enda_tag(pb);
330 } else if (track->enc->codec_id == CODEC_ID_AMR_NB) {
331 mov_write_samr_tag(pb);
334 put_be32(pb, 8); /* size */
335 put_be32(pb, 0); /* null tag */
337 return updateSize (pb, pos);
340 static const CodecTag codec_movaudio_tags[] = {
341 { CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') },
342 { CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') },
343 { CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') },
344 { CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') },
345 { CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') },
346 { CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
347 { CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') },
348 { CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') },
349 { CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') },
350 { CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') },
351 { CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
352 { CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
353 { CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
354 { CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') },
355 { CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') },
356 { CODEC_ID_NONE, 0 },
359 static int mov_write_audio_tag(ByteIOContext *pb, MOVTrack* track)
361 offset_t pos = url_ftell(pb);
362 int version = track->mode == MODE_MOV &&
363 (track->enc->codec_id == CODEC_ID_AAC ||
364 track->enc->codec_id == CODEC_ID_MP3 ||
365 track->enc->codec_id == CODEC_ID_PCM_S32LE ||
366 track->enc->codec_id == CODEC_ID_PCM_S24LE);
368 put_be32(pb, 0); /* size */
369 put_le32(pb, track->tag); // store it byteswapped
370 put_be32(pb, 0); /* Reserved */
371 put_be16(pb, 0); /* Reserved */
372 put_be16(pb, 1); /* Data-reference index, XXX == 1 */
374 /* SoundDescription */
375 put_be16(pb, version); /* Version */
376 put_be16(pb, 0); /* Revision level */
377 put_be32(pb, 0); /* Reserved */
379 put_be16(pb, track->enc->channels); /* Number of channels */
380 /* TODO: Currently hard-coded to 16-bit, there doesn't seem
381 to be a good way to get number of bits of audio */
382 put_be16(pb, 0x10); /* Reserved */
384 if(track->enc->codec_id == CODEC_ID_AAC ||
385 track->enc->codec_id == CODEC_ID_MP3 ||
386 track->enc->codec_id == CODEC_ID_AMR_NB) {
387 put_be16(pb, 0xfffe); /* compression ID (vbr)*/
389 put_be16(pb, 0); /* compression ID (= 0) */
391 put_be16(pb, 0); /* packet size (= 0) */
392 put_be16(pb, track->timescale); /* Time scale */
393 put_be16(pb, 0); /* Reserved */
396 /* SoundDescription V1 extended info */
397 put_be32(pb, track->enc->frame_size); /* Samples per packet */
398 put_be32(pb, track->sampleDuration); /* Bytes per frame */
399 put_be32(pb, 8); /* Bytes per sample */
403 if(track->mode == MODE_MOV &&
404 (track->enc->codec_id == CODEC_ID_AAC ||
405 track->enc->codec_id == CODEC_ID_AMR_NB ||
406 track->enc->codec_id == CODEC_ID_PCM_S24LE ||
407 track->enc->codec_id == CODEC_ID_PCM_S32LE))
408 mov_write_wave_tag(pb, track);
409 else if(track->enc->codec_id == CODEC_ID_AAC)
410 mov_write_esds_tag(pb, track);
411 else if(track->enc->codec_id == CODEC_ID_AMR_NB)
412 mov_write_damr_tag(pb);
414 return updateSize (pb, pos);
417 static int mov_write_d263_tag(ByteIOContext *pb)
419 put_be32(pb, 0xf); /* size */
427 /* TODO: No idea about these values */
428 static int mov_write_svq3_tag(ByteIOContext *pb)
434 put_be32(pb, 0xe2c0211d);
435 put_be32(pb, 0xc0000000);
440 static uint8_t *avc_find_startcode( uint8_t *p, uint8_t *end )
442 uint8_t *a = p + 4 - ((int)p & 3);
444 for( end -= 3; p < a && p < end; p++ ) {
445 if( p[0] == 0 && p[1] == 0 && p[2] == 1 )
449 for( end -= 3; p < end; p += 4 ) {
450 uint32_t x = *(uint32_t*)p;
451 // if( (x - 0x01000100) & (~x) & 0x80008000 ) // little endian
452 // if( (x - 0x00010001) & (~x) & 0x00800080 ) // big endian
453 if( (x - 0x01010101) & (~x) & 0x80808080 ) { // generic
455 if( p[0] == 0 && p[2] == 1 )
457 if( p[2] == 0 && p[3] == 1 )
461 if( p[2] == 0 && p[4] == 1 )
463 if( p[4] == 0 && p[5] == 1 )
469 for( end += 3; p < end; p++ ) {
470 if( p[0] == 0 && p[1] == 0 && p[2] == 1 )
477 static void avc_parse_nal_units(uint8_t **buf, int *size)
481 uint8_t *end = p + *size;
482 uint8_t *nal_start, *nal_end;
484 url_open_dyn_buf(&pb);
485 nal_start = avc_find_startcode(p, end);
486 while (nal_start < end) {
487 while(!*(nal_start++));
488 nal_end = avc_find_startcode(nal_start, end);
489 put_be32(&pb, nal_end - nal_start);
490 put_buffer(&pb, nal_start, nal_end - nal_start);
494 *size = url_close_dyn_buf(&pb, buf);
497 static int mov_write_avcc_tag(ByteIOContext *pb, MOVTrack *track)
499 offset_t pos = url_ftell(pb);
503 if (track->vosLen > 6) {
504 /* check for h264 start code */
505 if (BE_32(track->vosData) == 0x00000001) {
507 uint32_t sps_size=0, pps_size=0;
508 uint8_t *sps=0, *pps=0;
510 avc_parse_nal_units(&track->vosData, &track->vosLen);
511 buf = track->vosData;
512 end = track->vosData + track->vosLen;
514 /* look for sps and pps */
519 nal_type = buf[4] & 0x1f;
520 if (nal_type == 7) { /* SPS */
523 } else if (nal_type == 8) { /* PPS */
532 put_byte(pb, 1); /* version */
533 put_byte(pb, sps[1]); /* profile */
534 put_byte(pb, sps[2]); /* profile compat */
535 put_byte(pb, sps[3]); /* level */
536 put_byte(pb, 0xff); /* 6 bits reserved (111111) + 2 bits nal size length - 1 (11) */
537 put_byte(pb, 0xe1); /* 3 bits reserved (111) + 5 bits number of sps (00001) */
539 put_be16(pb, sps_size);
540 put_buffer(pb, sps, sps_size);
541 put_byte(pb, 1); /* number of pps */
542 put_be16(pb, pps_size);
543 put_buffer(pb, pps, pps_size);
545 put_buffer(pb, track->vosData, track->vosLen);
548 return updateSize(pb, pos);
551 static const CodecTag codec_movvideo_tags[] = {
552 { CODEC_ID_SVQ1, MKTAG('S', 'V', 'Q', '1') },
553 { CODEC_ID_SVQ3, MKTAG('S', 'V', 'Q', '3') },
554 { CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
555 { CODEC_ID_H263, MKTAG('s', '2', '6', '3') },
556 { CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') },
557 /* special handling in mov_find_video_codec_tag */
558 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') }, /* DV NTSC */
559 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 'p') }, /* DV PAL */
560 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'p', 'p') }, /* DVCPRO PAL */
561 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'n') }, /* DVCPRO50 NTSC */
562 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'p') }, /* DVCPRO50 PAL */
563 { CODEC_ID_NONE, 0 },
566 static int mov_find_video_codec_tag(AVFormatContext *s, MOVTrack *track)
568 int tag = track->enc->codec_tag;
570 if (track->enc->codec_id == CODEC_ID_DVVIDEO) {
571 if (track->enc->height == 480) { /* NTSC */
572 if (track->enc->pix_fmt == PIX_FMT_YUV422P)
573 tag = MKTAG('d', 'v', '5', 'n');
575 tag = MKTAG('d', 'v', 'c', ' ');
576 } else { /* assume PAL */
577 if (track->enc->pix_fmt == PIX_FMT_YUV422P)
578 tag = MKTAG('d', 'v', '5', 'p');
579 else if (track->enc->pix_fmt == PIX_FMT_YUV420P)
580 tag = MKTAG('d', 'v', 'c', 'p');
582 tag = MKTAG('d', 'v', 'p', 'p');
585 tag = codec_get_tag(codec_movvideo_tags, track->enc->codec_id);
588 // if no mac fcc found, try with Microsoft tags
590 tag = codec_get_tag(codec_bmp_tags, track->enc->codec_id);
592 av_log(s, AV_LOG_INFO, "Warning, using MS style video codec tag, the file may be unplayable!\n");
599 static int mov_find_audio_codec_tag(AVFormatContext *s, MOVTrack *track)
601 int tag = track->enc->codec_tag;
603 tag = codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
605 // if no mac fcc found, try with Microsoft tags
607 int ms_tag = codec_get_tag(codec_wav_tags, track->enc->codec_id);
609 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
610 av_log(s, AV_LOG_INFO, "Warning, using MS style audio codec tag, the file may be unplayable!\n");
617 static int mov_write_video_tag(ByteIOContext *pb, MOVTrack* track)
619 offset_t pos = url_ftell(pb);
620 char compressor_name[32];
622 put_be32(pb, 0); /* size */
623 put_le32(pb, track->tag); // store it byteswapped
624 put_be32(pb, 0); /* Reserved */
625 put_be16(pb, 0); /* Reserved */
626 put_be16(pb, 1); /* Data-reference index */
628 put_be16(pb, 0); /* Codec stream version */
629 put_be16(pb, 0); /* Codec stream revision (=0) */
630 put_tag(pb, "FFMP"); /* Vendor */
631 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
632 put_be32(pb, 0); /* Temporal Quality */
633 put_be32(pb, 0x400); /* Spatial Quality = lossless*/
635 put_be32(pb, 0x200); /* Temporal Quality = normal */
636 put_be32(pb, 0x200); /* Spatial Quality = normal */
638 put_be16(pb, track->enc->width); /* Video width */
639 put_be16(pb, track->enc->height); /* Video height */
640 put_be32(pb, 0x00480000); /* Horizontal resolution 72dpi */
641 put_be32(pb, 0x00480000); /* Vertical resolution 72dpi */
642 put_be32(pb, 0); /* Data size (= 0) */
643 put_be16(pb, 1); /* Frame count (= 1) */
645 memset(compressor_name,0,32);
646 if (track->enc->codec && track->enc->codec->name)
647 strncpy(compressor_name,track->enc->codec->name,31);
648 put_byte(pb, strlen(compressor_name));
649 put_buffer(pb, compressor_name, 31);
651 put_be16(pb, 0x18); /* Reserved */
652 put_be16(pb, 0xffff); /* Reserved */
653 if(track->enc->codec_id == CODEC_ID_MPEG4)
654 mov_write_esds_tag(pb, track);
655 else if(track->enc->codec_id == CODEC_ID_H263)
656 mov_write_d263_tag(pb);
657 else if(track->enc->codec_id == CODEC_ID_SVQ3)
658 mov_write_svq3_tag(pb);
659 else if(track->enc->codec_id == CODEC_ID_H264)
660 mov_write_avcc_tag(pb, track);
662 return updateSize (pb, pos);
665 static int mov_write_stsd_tag(ByteIOContext *pb, MOVTrack* track)
667 offset_t pos = url_ftell(pb);
668 put_be32(pb, 0); /* size */
670 put_be32(pb, 0); /* version & flags */
671 put_be32(pb, 1); /* entry count */
672 if (track->enc->codec_type == CODEC_TYPE_VIDEO)
673 mov_write_video_tag(pb, track);
674 else if (track->enc->codec_type == CODEC_TYPE_AUDIO)
675 mov_write_audio_tag(pb, track);
676 return updateSize(pb, pos);
679 static int mov_write_ctts_tag(ByteIOContext *pb, MOVTrack* track)
681 Time2Sample *ctts_entries;
682 uint32_t entries = 0;
686 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
687 ctts_entries[0].count = 1;
688 ctts_entries[0].duration = track->cluster[0][0].cts;
689 for (i=1; i<track->entry; i++) {
690 int cl = i / MOV_INDEX_CLUSTER_SIZE;
691 int id = i % MOV_INDEX_CLUSTER_SIZE;
692 if (track->cluster[cl][id].cts == ctts_entries[entries].duration) {
693 ctts_entries[entries].count++; /* compress */
696 ctts_entries[entries].duration = track->cluster[cl][id].cts;
697 ctts_entries[entries].count = 1;
700 entries++; /* last one */
701 atom_size = 16 + (entries * 8);
702 put_be32(pb, atom_size); /* size */
704 put_be32(pb, 0); /* version & flags */
705 put_be32(pb, entries); /* entry count */
706 for (i=0; i<entries; i++) {
707 put_be32(pb, ctts_entries[i].count);
708 put_be32(pb, ctts_entries[i].duration);
710 av_free(ctts_entries);
715 /* Time to sample atom */
716 static int mov_write_stts_tag(ByteIOContext *pb, MOVTrack* track)
718 put_be32(pb, 0x18); /* size */
720 put_be32(pb, 0); /* version & flags */
721 put_be32(pb, 1); /* entry count */
723 put_be32(pb, track->sampleCount); /* sample count */
724 put_be32(pb, track->sampleDuration); /* sample duration */
728 static int mov_write_dref_tag(ByteIOContext *pb)
730 put_be32(pb, 28); /* size */
732 put_be32(pb, 0); /* version & flags */
733 put_be32(pb, 1); /* entry count */
735 put_be32(pb, 0xc); /* size */
737 put_be32(pb, 1); /* version & flags */
742 static int mov_write_stbl_tag(ByteIOContext *pb, MOVTrack* track)
744 offset_t pos = url_ftell(pb);
745 put_be32(pb, 0); /* size */
747 mov_write_stsd_tag(pb, track);
748 mov_write_stts_tag(pb, track);
749 if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
750 track->hasKeyframes < track->entry)
751 mov_write_stss_tag(pb, track);
752 if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
754 mov_write_ctts_tag(pb, track);
755 mov_write_stsc_tag(pb, track);
756 mov_write_stsz_tag(pb, track);
757 mov_write_stco_tag(pb, track);
758 return updateSize(pb, pos);
761 static int mov_write_dinf_tag(ByteIOContext *pb)
763 offset_t pos = url_ftell(pb);
764 put_be32(pb, 0); /* size */
766 mov_write_dref_tag(pb);
767 return updateSize(pb, pos);
770 static int mov_write_smhd_tag(ByteIOContext *pb)
772 put_be32(pb, 16); /* size */
774 put_be32(pb, 0); /* version & flags */
775 put_be16(pb, 0); /* reserved (balance, normally = 0) */
776 put_be16(pb, 0); /* reserved */
780 static int mov_write_vmhd_tag(ByteIOContext *pb)
782 put_be32(pb, 0x14); /* size (always 0x14) */
784 put_be32(pb, 0x01); /* version & flags */
785 put_be64(pb, 0); /* reserved (graphics mode = copy) */
789 static int mov_write_hdlr_tag(ByteIOContext *pb, MOVTrack* track)
791 char *descr, *hdlr, *hdlr_type;
792 offset_t pos = url_ftell(pb);
794 if (!track) { /* no media --> data handler */
797 descr = "DataHandler";
799 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
800 if (track->enc->codec_type == CODEC_TYPE_VIDEO) {
802 descr = "VideoHandler";
805 descr = "SoundHandler";
809 put_be32(pb, 0); /* size */
811 put_be32(pb, 0); /* Version & flags */
812 put_buffer(pb, hdlr, 4); /* handler */
813 put_tag(pb, hdlr_type); /* handler type */
814 put_be32(pb ,0); /* reserved */
815 put_be32(pb ,0); /* reserved */
816 put_be32(pb ,0); /* reserved */
817 put_byte(pb, strlen(descr)); /* string counter */
818 put_buffer(pb, descr, strlen(descr)); /* handler description */
819 return updateSize(pb, pos);
822 static int mov_write_minf_tag(ByteIOContext *pb, MOVTrack* track)
824 offset_t pos = url_ftell(pb);
825 put_be32(pb, 0); /* size */
827 if(track->enc->codec_type == CODEC_TYPE_VIDEO)
828 mov_write_vmhd_tag(pb);
830 mov_write_smhd_tag(pb);
831 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
832 mov_write_hdlr_tag(pb, NULL);
833 mov_write_dinf_tag(pb);
834 mov_write_stbl_tag(pb, track);
835 return updateSize(pb, pos);
838 static int mov_write_mdhd_tag(ByteIOContext *pb, MOVTrack* track)
840 int version = track->trackDuration < INT32_MAX ? 0 : 1;
842 (version == 1) ? put_be32(pb, 44) : put_be32(pb, 32); /* size */
844 put_byte(pb, version);
845 put_be24(pb, 0); /* flags */
847 put_be64(pb, track->time);
848 put_be64(pb, track->time);
850 put_be32(pb, track->time); /* creation time */
851 put_be32(pb, track->time); /* modification time */
853 put_be32(pb, track->timescale); /* time scale (sample rate for audio) */
854 (version == 1) ? put_be64(pb, track->trackDuration) : put_be32(pb, track->trackDuration); /* duration */
855 put_be16(pb, track->language); /* language */
856 put_be16(pb, 0); /* reserved (quality) */
860 static int mov_write_mdia_tag(ByteIOContext *pb, MOVTrack* track)
862 offset_t pos = url_ftell(pb);
863 put_be32(pb, 0); /* size */
865 mov_write_mdhd_tag(pb, track);
866 mov_write_hdlr_tag(pb, track);
867 mov_write_minf_tag(pb, track);
868 return updateSize(pb, pos);
871 static int mov_write_tkhd_tag(ByteIOContext *pb, MOVTrack* track)
873 int64_t duration = av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP);
874 int version = duration < INT32_MAX ? 0 : 1;
876 (version == 1) ? put_be32(pb, 104) : put_be32(pb, 92); /* size */
878 put_byte(pb, version);
879 put_be24(pb, 0xf); /* flags (track enabled) */
881 put_be64(pb, track->time);
882 put_be64(pb, track->time);
884 put_be32(pb, track->time); /* creation time */
885 put_be32(pb, track->time); /* modification time */
887 put_be32(pb, track->trackID); /* track-id */
888 put_be32(pb, 0); /* reserved */
889 (version == 1) ? put_be64(pb, duration) : put_be32(pb, duration);
891 put_be32(pb, 0); /* reserved */
892 put_be32(pb, 0); /* reserved */
893 put_be32(pb, 0x0); /* reserved (Layer & Alternate group) */
894 /* Volume, only for audio */
895 if(track->enc->codec_type == CODEC_TYPE_AUDIO)
896 put_be16(pb, 0x0100);
899 put_be16(pb, 0); /* reserved */
901 /* Matrix structure */
902 put_be32(pb, 0x00010000); /* reserved */
903 put_be32(pb, 0x0); /* reserved */
904 put_be32(pb, 0x0); /* reserved */
905 put_be32(pb, 0x0); /* reserved */
906 put_be32(pb, 0x00010000); /* reserved */
907 put_be32(pb, 0x0); /* reserved */
908 put_be32(pb, 0x0); /* reserved */
909 put_be32(pb, 0x0); /* reserved */
910 put_be32(pb, 0x40000000); /* reserved */
912 /* Track width and height, for visual only */
913 if(track->enc->codec_type == CODEC_TYPE_VIDEO) {
914 double sample_aspect_ratio = av_q2d(track->enc->sample_aspect_ratio);
915 if( !sample_aspect_ratio ) sample_aspect_ratio = 1;
916 put_be32(pb, sample_aspect_ratio * track->enc->width*0x10000);
917 put_be32(pb, track->enc->height*0x10000);
926 // This box seems important for the psp playback ... without it the movie seems to hang
927 static int mov_write_edts_tag(ByteIOContext *pb, MOVTrack *track)
929 put_be32(pb, 0x24); /* size */
931 put_be32(pb, 0x1c); /* size */
936 put_be32(pb, av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP)); /* duration ... doesn't seem to effect psp */
938 if (track->hasBframes)
939 put_be32(pb, track->sampleDuration); /* first pts is 1 */
942 put_be32(pb, 0x00010000);
946 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
947 static int mov_write_uuid_tag_psp(ByteIOContext *pb, MOVTrack *mov)
949 put_be32(pb, 0x34); /* size ... reports as 28 in mp4box! */
952 put_be32(pb, 0x21d24fce);
953 put_be32(pb, 0xbb88695c);
954 put_be32(pb, 0xfac9c740);
955 put_be32(pb, 0x1c); // another size here!
957 put_be32(pb, 0x00010012);
959 put_be32(pb, 0x55c40000);
965 static int mov_write_trak_tag(ByteIOContext *pb, MOVTrack* track)
967 offset_t pos = url_ftell(pb);
968 put_be32(pb, 0); /* size */
970 mov_write_tkhd_tag(pb, track);
971 if (track->mode == MODE_PSP || track->hasBframes)
972 mov_write_edts_tag(pb, track); // PSP Movies require edts box
973 mov_write_mdia_tag(pb, track);
974 if (track->mode == MODE_PSP)
975 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
976 return updateSize(pb, pos);
980 /* TODO: Not sorted out, but not necessary either */
981 static int mov_write_iods_tag(ByteIOContext *pb, MOVContext *mov)
983 put_be32(pb, 0x15); /* size */
985 put_be32(pb, 0); /* version & flags */
986 put_be16(pb, 0x1007);
988 put_be16(pb, 0x4fff);
989 put_be16(pb, 0xfffe);
990 put_be16(pb, 0x01ff);
995 static int mov_write_mvhd_tag(ByteIOContext *pb, MOVContext *mov)
997 int maxTrackID = 1, i;
998 int64_t maxTrackLenTemp, maxTrackLen = 0;
1001 for (i=0; i<MAX_STREAMS; i++) {
1002 if(mov->tracks[i].entry > 0) {
1003 maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration, globalTimescale, mov->tracks[i].timescale, AV_ROUND_UP);
1004 if(maxTrackLen < maxTrackLenTemp)
1005 maxTrackLen = maxTrackLenTemp;
1006 if(maxTrackID < mov->tracks[i].trackID)
1007 maxTrackID = mov->tracks[i].trackID;
1011 version = maxTrackLen < UINT32_MAX ? 0 : 1;
1012 (version == 1) ? put_be32(pb, 120) : put_be32(pb, 108); /* size */
1013 put_tag(pb, "mvhd");
1014 put_byte(pb, version);
1015 put_be24(pb, 0); /* flags */
1017 put_be64(pb, mov->time);
1018 put_be64(pb, mov->time);
1020 put_be32(pb, mov->time); /* creation time */
1021 put_be32(pb, mov->time); /* modification time */
1023 put_be32(pb, mov->timescale); /* timescale */
1024 (version == 1) ? put_be64(pb, maxTrackLen) : put_be32(pb, maxTrackLen); /* duration of longest track */
1026 put_be32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1027 put_be16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1028 put_be16(pb, 0); /* reserved */
1029 put_be32(pb, 0); /* reserved */
1030 put_be32(pb, 0); /* reserved */
1032 /* Matrix structure */
1033 put_be32(pb, 0x00010000); /* reserved */
1034 put_be32(pb, 0x0); /* reserved */
1035 put_be32(pb, 0x0); /* reserved */
1036 put_be32(pb, 0x0); /* reserved */
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, 0x40000000); /* reserved */
1043 put_be32(pb, 0); /* reserved (preview time) */
1044 put_be32(pb, 0); /* reserved (preview duration) */
1045 put_be32(pb, 0); /* reserved (poster time) */
1046 put_be32(pb, 0); /* reserved (selection time) */
1047 put_be32(pb, 0); /* reserved (selection duration) */
1048 put_be32(pb, 0); /* reserved (current time) */
1049 put_be32(pb, maxTrackID+1); /* Next track id */
1053 static int mov_write_itunes_hdlr_tag(ByteIOContext *pb, MOVContext* mov,
1056 offset_t pos = url_ftell(pb);
1057 put_be32(pb, 0); /* size */
1058 put_tag(pb, "hdlr");
1061 put_tag(pb, "mdir");
1062 put_tag(pb, "appl");
1066 return updateSize(pb, pos);
1069 /* helper function to write a data tag with the specified string as data */
1070 static int mov_write_string_data_tag(ByteIOContext *pb, const char *data, int long_style)
1073 offset_t pos = url_ftell(pb);
1074 put_be32(pb, 0); /* size */
1075 put_tag(pb, "data");
1078 put_buffer(pb, data, strlen(data));
1079 return updateSize(pb, pos);
1081 put_be16(pb, strlen(data)); /* string length */
1083 put_buffer(pb, data, strlen(data));
1084 return strlen(data) + 4;
1088 static int mov_write_string_tag(ByteIOContext *pb, char *name, char *value, int long_style){
1090 if ( value && value[0] ) {
1091 offset_t pos = url_ftell(pb);
1092 put_be32(pb, 0); /* size */
1094 mov_write_string_data_tag(pb, value, long_style);
1095 size= updateSize(pb, pos);
1101 static int mov_write_day_tag(ByteIOContext *pb, int year, int long_style)
1105 snprintf(year_str, sizeof(year_str), "%04d", year);
1106 return mov_write_string_tag(pb, "\251day", year_str, long_style);
1111 /* iTunes track number */
1112 static int mov_write_trkn_tag(ByteIOContext *pb, MOVContext* mov,
1117 offset_t pos = url_ftell(pb);
1118 put_be32(pb, 0); /* size */
1119 put_tag(pb, "trkn");
1121 offset_t pos = url_ftell(pb);
1122 put_be32(pb, 0); /* size */
1123 put_tag(pb, "data");
1124 put_be32(pb, 0); // 8 bytes empty
1126 put_be16(pb, 0); // empty
1127 put_be16(pb, s->track); // track number
1128 put_be16(pb, 0); // total track number
1129 put_be16(pb, 0); // empty
1130 updateSize(pb, pos);
1132 size = updateSize(pb, pos);
1137 /* iTunes meta data list */
1138 static int mov_write_ilst_tag(ByteIOContext *pb, MOVContext* mov,
1141 offset_t pos = url_ftell(pb);
1142 put_be32(pb, 0); /* size */
1143 put_tag(pb, "ilst");
1144 mov_write_string_tag(pb, "\251nam", s->title , 1);
1145 mov_write_string_tag(pb, "\251ART", s->author , 1);
1146 mov_write_string_tag(pb, "\251wrt", s->author , 1);
1147 mov_write_string_tag(pb, "\251alb", s->album , 1);
1148 mov_write_day_tag(pb, s->year ,1);
1149 if(mov->tracks[0].enc && !(mov->tracks[0].enc->flags & CODEC_FLAG_BITEXACT))
1150 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 1);
1151 mov_write_string_tag(pb, "\251cmt", s->comment , 1);
1152 mov_write_string_tag(pb, "\251gen", s->genre , 1);
1153 mov_write_trkn_tag(pb, mov, s);
1154 return updateSize(pb, pos);
1157 /* iTunes meta data tag */
1158 static int mov_write_meta_tag(ByteIOContext *pb, MOVContext* mov,
1163 // only save meta tag if required
1164 if ( s->title[0] || s->author[0] || s->album[0] || s->year ||
1165 s->comment[0] || s->genre[0] || s->track ) {
1166 offset_t pos = url_ftell(pb);
1167 put_be32(pb, 0); /* size */
1168 put_tag(pb, "meta");
1170 mov_write_itunes_hdlr_tag(pb, mov, s);
1171 mov_write_ilst_tag(pb, mov, s);
1172 size = updateSize(pb, pos);
1177 static int mov_write_udta_tag(ByteIOContext *pb, MOVContext* mov,
1180 offset_t pos = url_ftell(pb);
1183 put_be32(pb, 0); /* size */
1184 put_tag(pb, "udta");
1186 /* iTunes meta data */
1187 mov_write_meta_tag(pb, mov, s);
1189 if(mov->mode == MODE_MOV){ // the title field breaks gtkpod with mp4 and my suspicion is that stuff isnt valid in mp4
1191 for (i=0; i<MAX_STREAMS; i++) {
1192 if(mov->tracks[i].entry <= 0) continue;
1193 if (mov->tracks[i].enc->codec_id == CODEC_ID_AAC ||
1194 mov->tracks[i].enc->codec_id == CODEC_ID_MPEG4) {
1195 mov_write_string_tag(pb, "\251req", "QuickTime 6.0 or greater", 0);
1200 mov_write_string_tag(pb, "\251nam", s->title , 0);
1201 mov_write_string_tag(pb, "\251aut", s->author , 0);
1202 mov_write_string_tag(pb, "\251alb", s->album , 0);
1203 mov_write_day_tag(pb, s->year, 0);
1204 if(mov->tracks[0].enc && !(mov->tracks[0].enc->flags & CODEC_FLAG_BITEXACT))
1205 mov_write_string_tag(pb, "\251enc", LIBAVFORMAT_IDENT, 0);
1206 mov_write_string_tag(pb, "\251des", s->comment , 0);
1207 mov_write_string_tag(pb, "\251gen", s->genre , 0);
1210 return updateSize(pb, pos);
1214 static size_t ascii_to_wc (ByteIOContext *pb, char *b, size_t n)
1218 for (i = 0; i < n - 1; i++) {
1220 if (! (0x20 <= c && c <= 0x7f ))
1228 static uint16_t language_code (char *str)
1230 return ((((str[0]-0x60) & 0x1F)<<10) + (((str[1]-0x60) & 0x1F)<<5) + ((str[2]-0x60) & 0x1F));
1233 static int mov_write_uuidusmt_tag (ByteIOContext *pb, AVFormatContext *s)
1236 offset_t pos, curpos;
1240 pos = url_ftell(pb);
1241 put_be32(pb, 0); /* size placeholder*/
1242 put_tag(pb, "uuid");
1243 put_tag(pb, "USMT");
1244 put_be32(pb, 0x21d24fce ); /* 96 bit UUID */
1245 put_be32(pb, 0xbb88695c );
1246 put_be32(pb, 0xfac9c740 );
1249 put_be32(pb, 0); /* size placeholder*/
1250 put_tag(pb, "MTDT");
1255 put_be16(pb, 0x0C); /* size */
1256 put_be32(pb, 0x0B); /* type */
1257 put_be16(pb, language_code("und")); /* language */
1258 put_be16(pb, 0x0); /* ? */
1259 put_be16(pb, 0x021C); /* data */
1263 len = strlen(LIBAVCODEC_IDENT)+1;
1264 put_be16(pb, len*2+10); /* size */
1265 put_be32(pb, 0x04); /* type */
1266 put_be16(pb, language_code("eng")); /* language */
1267 put_be16(pb, 0x01); /* ? */
1268 ascii_to_wc(pb, LIBAVCODEC_IDENT, len);
1272 len = strlen(s->title)+1;
1273 put_be16(pb, len*2+10); /* size */
1274 put_be32(pb, 0x01); /* type */
1275 put_be16(pb, language_code("eng")); /* language */
1276 put_be16(pb, 0x01); /* ? */
1277 ascii_to_wc (pb, s->title, len);
1281 // 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);
1282 len = strlen("2006/04/01 11:11:11")+1;
1283 put_be16(pb, len*2+10); /* size */
1284 put_be32(pb, 0x03); /* type */
1285 put_be16(pb, language_code("und")); /* language */
1286 put_be16(pb, 0x01); /* ? */
1287 ascii_to_wc (pb, "2006/04/01 11:11:11", len);
1291 curpos = url_ftell(pb);
1292 url_fseek(pb, pos, SEEK_SET);
1294 url_fseek(pb, pos+24, SEEK_SET);
1295 put_be32(pb, size-24);
1296 url_fseek(pb, curpos, SEEK_SET);
1302 static int mov_write_moov_tag(ByteIOContext *pb, MOVContext *mov,
1306 offset_t pos = url_ftell(pb);
1307 put_be32(pb, 0); /* size placeholder*/
1308 put_tag(pb, "moov");
1309 mov->timescale = globalTimescale;
1311 for (i=0; i<MAX_STREAMS; i++) {
1312 if(mov->tracks[i].entry <= 0) continue;
1314 if(mov->tracks[i].enc->codec_type == CODEC_TYPE_VIDEO) {
1315 mov->tracks[i].timescale = mov->tracks[i].enc->time_base.den;
1316 mov->tracks[i].sampleDuration = mov->tracks[i].enc->time_base.num;
1317 } else if(mov->tracks[i].enc->codec_type == CODEC_TYPE_AUDIO) {
1318 mov->tracks[i].timescale = mov->tracks[i].enc->sample_rate;
1319 mov->tracks[i].sampleDuration = mov->tracks[i].enc->frame_size;
1322 mov->tracks[i].trackDuration =
1323 (int64_t)mov->tracks[i].sampleCount * mov->tracks[i].sampleDuration;
1324 mov->tracks[i].time = mov->time;
1325 mov->tracks[i].trackID = i+1;
1328 mov_write_mvhd_tag(pb, mov);
1329 //mov_write_iods_tag(pb, mov);
1330 for (i=0; i<MAX_STREAMS; i++) {
1331 if(mov->tracks[i].entry > 0) {
1332 mov_write_trak_tag(pb, &(mov->tracks[i]));
1336 if (mov->mode == MODE_PSP)
1337 mov_write_uuidusmt_tag(pb, s);
1339 mov_write_udta_tag(pb, mov, s);
1341 return updateSize(pb, pos);
1344 int mov_write_mdat_tag(ByteIOContext *pb, MOVContext* mov)
1346 put_be32(pb, 8); // placeholder for extended size field (64 bit)
1347 put_tag(pb, "wide");
1349 mov->mdat_pos = url_ftell(pb);
1350 put_be32(pb, 0); /* size placeholder*/
1351 put_tag(pb, "mdat");
1355 /* TODO: This needs to be more general */
1356 static void mov_write_ftyp_tag (ByteIOContext *pb, AVFormatContext *s)
1358 MOVContext *mov = s->priv_data;
1360 put_be32(pb, 0x14 ); /* size */
1361 put_tag(pb, "ftyp");
1363 if ( mov->mode == MODE_3GP )
1364 put_tag(pb, "3gp4");
1365 else if ( mov->mode == MODE_3G2 )
1366 put_tag(pb, "3g2a");
1367 else if ( mov->mode == MODE_PSP )
1368 put_tag(pb, "MSNV");
1369 else if ( mov->mode == MODE_MP4 )
1370 put_tag(pb, "isom");
1374 put_be32(pb, 0x200 );
1376 if ( mov->mode == MODE_3GP )
1377 put_tag(pb, "3gp4");
1378 else if ( mov->mode == MODE_3G2 )
1379 put_tag(pb, "3g2a");
1380 else if ( mov->mode == MODE_PSP )
1381 put_tag(pb, "MSNV");
1382 else if ( mov->mode == MODE_MP4 )
1383 put_tag(pb, "mp41");
1388 static void mov_write_uuidprof_tag(ByteIOContext *pb, AVFormatContext *s)
1390 AVCodecContext *VideoCodec = s->streams[0]->codec;
1391 AVCodecContext *AudioCodec = s->streams[1]->codec;
1392 int AudioRate = AudioCodec->sample_rate;
1393 int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num);
1394 int audio_kbitrate= AudioCodec->bit_rate / 1000;
1395 int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate);
1397 put_be32(pb, 0x94 ); /* size */
1398 put_tag(pb, "uuid");
1399 put_tag(pb, "PROF");
1401 put_be32(pb, 0x21d24fce ); /* 96 bit UUID */
1402 put_be32(pb, 0xbb88695c );
1403 put_be32(pb, 0xfac9c740 );
1405 put_be32(pb, 0x0 ); /* ? */
1406 put_be32(pb, 0x3 ); /* 3 sections ? */
1408 put_be32(pb, 0x14 ); /* size */
1409 put_tag(pb, "FPRF");
1410 put_be32(pb, 0x0 ); /* ? */
1411 put_be32(pb, 0x0 ); /* ? */
1412 put_be32(pb, 0x0 ); /* ? */
1414 put_be32(pb, 0x2c ); /* size */
1415 put_tag(pb, "APRF"); /* audio */
1417 put_be32(pb, 0x2 ); /* TrackID */
1418 put_tag(pb, "mp4a");
1419 put_be32(pb, 0x20f );
1421 put_be32(pb, audio_kbitrate);
1422 put_be32(pb, audio_kbitrate);
1423 put_be32(pb, AudioRate );
1424 put_be32(pb, AudioCodec->channels );
1426 put_be32(pb, 0x34 ); /* size */
1427 put_tag(pb, "VPRF"); /* video */
1429 put_be32(pb, 0x1 ); /* TrackID */
1430 if (VideoCodec->codec_id == CODEC_ID_H264) {
1431 put_tag(pb, "avc1");
1432 put_be16(pb, 0x014D );
1433 put_be16(pb, 0x0015 );
1435 put_tag(pb, "mp4v");
1436 put_be16(pb, 0x0000 );
1437 put_be16(pb, 0x0103 );
1440 put_be32(pb, video_kbitrate);
1441 put_be32(pb, video_kbitrate);
1442 put_be32(pb, FrameRate);
1443 put_be32(pb, FrameRate);
1444 put_be16(pb, VideoCodec->width);
1445 put_be16(pb, VideoCodec->height);
1446 put_be32(pb, 0x010001); /* ? */
1449 static int mov_write_header(AVFormatContext *s)
1451 ByteIOContext *pb = &s->pb;
1452 MOVContext *mov = s->priv_data;
1455 /* Default mode == MP4 */
1456 mov->mode = MODE_MP4;
1458 if (s->oformat != NULL) {
1459 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
1460 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3G2;
1461 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
1462 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
1464 mov_write_ftyp_tag(pb,s);
1465 if ( mov->mode == MODE_PSP ) {
1466 if ( s->nb_streams != 2 ) {
1467 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
1470 mov_write_uuidprof_tag(pb,s);
1474 for(i=0; i<s->nb_streams; i++){
1475 AVStream *st= s->streams[i];
1476 MOVTrack *track= &mov->tracks[i];
1478 track->enc = st->codec;
1479 if(st->codec->codec_type == CODEC_TYPE_VIDEO){
1480 track->tag = mov_find_video_codec_tag(s, track);
1481 av_set_pts_info(st, 64, 1, st->codec->time_base.den);
1482 }else if(st->codec->codec_type == CODEC_TYPE_AUDIO){
1483 track->tag = mov_find_audio_codec_tag(s, track);
1484 av_set_pts_info(st, 64, 1, st->codec->sample_rate);
1486 track->language = ff_mov_iso639_to_lang(st->language, mov->mode != MODE_MOV);
1487 track->mode = mov->mode;
1490 mov_write_mdat_tag(pb, mov);
1491 mov->time = s->timestamp + 0x7C25B080; //1970 based -> 1904 based
1493 put_flush_packet(pb);
1498 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
1500 MOVContext *mov = s->priv_data;
1501 ByteIOContext *pb = &s->pb;
1502 MOVTrack *trk = &mov->tracks[pkt->stream_index];
1503 AVCodecContext *enc = trk->enc;
1505 unsigned int samplesInChunk = 0;
1506 int size= pkt->size;
1508 if (url_is_streamed(&s->pb)) return 0; /* Can't handle that */
1509 if (!size) return 0; /* Discard 0 sized packets */
1511 if (enc->codec_type == CODEC_TYPE_AUDIO) {
1512 switch (enc->codec_id) {
1513 case CODEC_ID_AMR_NB:
1514 { /* We must find out how many AMR blocks there are in one packet */
1515 static uint16_t packed_size[16] =
1516 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 0};
1519 while (len < size && samplesInChunk < 100) {
1520 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
1525 case CODEC_ID_PCM_MULAW:
1526 case CODEC_ID_PCM_ALAW:
1527 samplesInChunk = size/enc->channels;
1529 case CODEC_ID_PCM_S16BE:
1530 case CODEC_ID_PCM_S16LE:
1531 samplesInChunk = size/(2*enc->channels);
1533 case CODEC_ID_PCM_S24BE:
1534 case CODEC_ID_PCM_S24LE:
1535 samplesInChunk = size/(3*enc->channels);
1537 case CODEC_ID_PCM_S32BE:
1538 case CODEC_ID_PCM_S32LE:
1539 samplesInChunk = size/(4*enc->channels);
1548 /* copy extradata if it exists */
1549 if (trk->vosLen == 0 && enc->extradata_size > 0) {
1550 trk->vosLen = enc->extradata_size;
1551 trk->vosData = av_malloc(trk->vosLen);
1552 memcpy(trk->vosData, enc->extradata, trk->vosLen);
1555 if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) {
1556 /* from x264 or from bytestream h264 */
1557 /* nal reformating needed */
1558 avc_parse_nal_units(&pkt->data, &pkt->size);
1563 cl = trk->entry / MOV_INDEX_CLUSTER_SIZE;
1564 id = trk->entry % MOV_INDEX_CLUSTER_SIZE;
1566 if (trk->ents_allocated <= trk->entry) {
1567 trk->cluster = av_realloc(trk->cluster, (cl+1)*sizeof(void*));
1570 trk->cluster[cl] = av_malloc(MOV_INDEX_CLUSTER_SIZE*sizeof(MOVIentry));
1571 if (!trk->cluster[cl])
1573 trk->ents_allocated += MOV_INDEX_CLUSTER_SIZE;
1576 trk->cluster[cl][id].pos = url_ftell(pb);
1577 trk->cluster[cl][id].samplesInChunk = samplesInChunk;
1578 trk->cluster[cl][id].size = size;
1579 trk->cluster[cl][id].entries = samplesInChunk;
1580 if(enc->codec_type == CODEC_TYPE_VIDEO) {
1581 if (pkt->dts != pkt->pts)
1582 trk->hasBframes = 1;
1583 trk->cluster[cl][id].cts = pkt->pts - pkt->dts;
1584 trk->cluster[cl][id].key_frame = !!(pkt->flags & PKT_FLAG_KEY);
1585 if(trk->cluster[cl][id].key_frame)
1586 trk->hasKeyframes++;
1589 trk->sampleCount += samplesInChunk;
1590 mov->mdat_size += size;
1592 put_buffer(pb, pkt->data, size);
1594 put_flush_packet(pb);
1598 static int mov_write_trailer(AVFormatContext *s)
1600 MOVContext *mov = s->priv_data;
1601 ByteIOContext *pb = &s->pb;
1605 offset_t moov_pos = url_ftell(pb);
1607 /* Write size of mdat tag */
1608 if (mov->mdat_size+8 <= UINT32_MAX) {
1609 url_fseek(pb, mov->mdat_pos, SEEK_SET);
1610 put_be32(pb, mov->mdat_size+8);
1612 /* overwrite 'wide' placeholder atom */
1613 url_fseek(pb, mov->mdat_pos - 8, SEEK_SET);
1614 put_be32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */
1615 put_tag(pb, "mdat");
1616 put_be64(pb, mov->mdat_size+16);
1618 url_fseek(pb, moov_pos, SEEK_SET);
1620 mov_write_moov_tag(pb, mov, s);
1622 for (i=0; i<MAX_STREAMS; i++) {
1623 for (j=0; j<mov->tracks[i].ents_allocated/MOV_INDEX_CLUSTER_SIZE; j++) {
1624 av_free(mov->tracks[i].cluster[j]);
1626 av_free(mov->tracks[i].cluster);
1627 if( mov->tracks[i].vosLen ) av_free( mov->tracks[i].vosData );
1629 mov->tracks[i].cluster = NULL;
1630 mov->tracks[i].ents_allocated = mov->tracks[i].entry = 0;
1633 put_flush_packet(pb);
1638 static AVOutputFormat mov_oformat = {
1649 .flags = AVFMT_GLOBALHEADER,
1652 static AVOutputFormat _3gp_oformat = {
1663 .flags = AVFMT_GLOBALHEADER,
1666 static AVOutputFormat mp4_oformat = {
1677 .flags = AVFMT_GLOBALHEADER,
1680 static AVOutputFormat psp_oformat = {
1691 .flags = AVFMT_GLOBALHEADER,
1694 static AVOutputFormat _3g2_oformat = {
1705 .flags = AVFMT_GLOBALHEADER,
1708 int movenc_init(void)
1710 av_register_output_format(&mov_oformat);
1711 av_register_output_format(&_3gp_oformat);
1712 av_register_output_format(&mp4_oformat);
1713 av_register_output_format(&psp_oformat);
1714 av_register_output_format(&_3g2_oformat);