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 {
54 int64_t trackDuration;
68 typedef struct MOVContext {
74 MOVTrack tracks[MAX_STREAMS];
77 static int mov_write_esds_tag(ByteIOContext *pb, MOVTrack* track);
79 /* output language code from iso639 language name */
80 extern int ff_mov_iso639_to_lang(const char *lang, int mp4);
82 //FIXME supprt 64bit varaint with wide placeholders
83 static offset_t updateSize (ByteIOContext *pb, offset_t pos)
85 offset_t curpos = url_ftell(pb);
86 url_fseek(pb, pos, SEEK_SET);
87 put_be32(pb, curpos - pos); /* rewrite size */
88 url_fseek(pb, curpos, SEEK_SET);
93 /* Chunk offset atom */
94 static int mov_write_stco_tag(ByteIOContext *pb, MOVTrack* track)
97 int mode64 = 0; // use 32 bit size variant if possible
98 offset_t pos = url_ftell(pb);
99 put_be32(pb, 0); /* size */
100 if (pos > UINT32_MAX) {
105 put_be32(pb, 0); /* version & flags */
106 put_be32(pb, track->entry); /* entry count */
107 for (i=0; i<track->entry; i++) {
108 int cl = i / MOV_INDEX_CLUSTER_SIZE;
109 int id = i % MOV_INDEX_CLUSTER_SIZE;
111 put_be64(pb, track->cluster[cl][id].pos);
113 put_be32(pb, track->cluster[cl][id].pos);
115 return updateSize (pb, pos);
118 /* Sample size atom */
119 static int mov_write_stsz_tag(ByteIOContext *pb, MOVTrack* track)
122 int i, j, entries = 0, tst = -1, oldtst = -1;
124 offset_t pos = url_ftell(pb);
125 put_be32(pb, 0); /* size */
127 put_be32(pb, 0); /* version & flags */
129 for (i=0; i<track->entry; i++) {
130 int cl = i / MOV_INDEX_CLUSTER_SIZE;
131 int id = i % MOV_INDEX_CLUSTER_SIZE;
132 tst = track->cluster[cl][id].size/track->cluster[cl][id].entries;
133 if(oldtst != -1 && tst != oldtst) {
137 entries += track->cluster[cl][id].entries;
140 int sSize = track->cluster[0][0].size/track->cluster[0][0].entries;
141 put_be32(pb, sSize); // sample size
142 put_be32(pb, entries); // sample count
145 put_be32(pb, 0); // sample size
146 put_be32(pb, entries); // sample count
147 for (i=0; i<track->entry; i++) {
148 int cl = i / MOV_INDEX_CLUSTER_SIZE;
149 int id = i % MOV_INDEX_CLUSTER_SIZE;
150 for ( j=0; j<track->cluster[cl][id].entries; j++) {
151 put_be32(pb, track->cluster[cl][id].size /
152 track->cluster[cl][id].entries);
156 return updateSize (pb, pos);
159 /* Sample to chunk atom */
160 static int mov_write_stsc_tag(ByteIOContext *pb, MOVTrack* track)
162 int index = 0, oldval = -1, i;
163 offset_t entryPos, curpos;
165 offset_t pos = url_ftell(pb);
166 put_be32(pb, 0); /* size */
168 put_be32(pb, 0); // version & flags
169 entryPos = url_ftell(pb);
170 put_be32(pb, track->entry); // entry count
171 for (i=0; i<track->entry; i++) {
172 int cl = i / MOV_INDEX_CLUSTER_SIZE;
173 int id = i % MOV_INDEX_CLUSTER_SIZE;
174 if(oldval != track->cluster[cl][id].samplesInChunk)
176 put_be32(pb, i+1); // first chunk
177 put_be32(pb, track->cluster[cl][id].samplesInChunk); // samples per chunk
178 put_be32(pb, 0x1); // sample description index
179 oldval = track->cluster[cl][id].samplesInChunk;
183 curpos = url_ftell(pb);
184 url_fseek(pb, entryPos, SEEK_SET);
185 put_be32(pb, index); // rewrite size
186 url_fseek(pb, curpos, SEEK_SET);
188 return updateSize (pb, pos);
191 /* Sync sample atom */
192 static int mov_write_stss_tag(ByteIOContext *pb, MOVTrack* track)
194 offset_t curpos, entryPos;
196 offset_t pos = url_ftell(pb);
197 put_be32(pb, 0); // size
199 put_be32(pb, 0); // version & flags
200 entryPos = url_ftell(pb);
201 put_be32(pb, track->entry); // entry count
202 for (i=0; i<track->entry; i++) {
203 int cl = i / MOV_INDEX_CLUSTER_SIZE;
204 int id = i % MOV_INDEX_CLUSTER_SIZE;
205 if(track->cluster[cl][id].key_frame == 1) {
210 curpos = url_ftell(pb);
211 url_fseek(pb, entryPos, SEEK_SET);
212 put_be32(pb, index); // rewrite size
213 url_fseek(pb, curpos, SEEK_SET);
214 return updateSize (pb, pos);
217 static int mov_write_damr_tag(ByteIOContext *pb)
219 put_be32(pb, 0x11); /* size */
224 put_be16(pb, 0x80); /* Mode set (all modes for AMR_NB) */
225 put_be16(pb, 0xa); /* Mode change period (no restriction) */
226 //put_be16(pb, 0x81ff); /* Mode set (all modes for AMR_NB) */
227 //put_be16(pb, 1); /* Mode change period (no restriction) */
231 static int mov_write_wave_tag(ByteIOContext *pb, MOVTrack* track)
233 offset_t pos = url_ftell(pb);
235 put_be32(pb, 0); /* size */
238 put_be32(pb, 12); /* size */
242 put_be32(pb, 12); /* size */
246 mov_write_esds_tag(pb, track);
248 put_be32(pb, 12); /* size */
252 put_be32(pb, 8); /* size */
253 put_be32(pb, 0); /* null tag */
255 return updateSize (pb, pos);
258 static const CodecTag codec_movaudio_tags[] = {
259 { CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') },
260 { CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') },
261 { CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') },
262 { CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') },
263 { CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') },
264 { CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
265 { CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') },
266 { CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') },
267 { CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') },
268 { CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') },
269 { CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') },
270 { CODEC_ID_NONE, 0 },
273 static int mov_write_audio_tag(ByteIOContext *pb, MOVTrack* track)
275 offset_t pos = url_ftell(pb);
278 put_be32(pb, 0); /* size */
280 tag = track->enc->codec_tag;
282 tag = codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
283 // if no mac fcc found, try with Microsoft tags
286 int tmp = codec_get_tag(codec_wav_tags, track->enc->codec_id);
287 tag = MKTAG('m', 's', ((tmp >> 8) & 0xff), (tmp & 0xff));
289 put_le32(pb, tag); // store it byteswapped
291 put_be32(pb, 0); /* Reserved */
292 put_be16(pb, 0); /* Reserved */
293 put_be16(pb, 1); /* Data-reference index, XXX == 1 */
295 /* SoundDescription */
296 if(track->mode == MODE_MOV && track->enc->codec_id == CODEC_ID_AAC)
297 put_be16(pb, 1); /* Version 1 */
299 put_be16(pb, 0); /* Version 0 */
300 put_be16(pb, 0); /* Revision level */
301 put_be32(pb, 0); /* Reserved */
303 put_be16(pb, track->enc->channels); /* Number of channels */
304 /* TODO: Currently hard-coded to 16-bit, there doesn't seem
305 to be a good way to get number of bits of audio */
306 put_be16(pb, 0x10); /* Reserved */
308 if(track->enc->codec_id == CODEC_ID_AAC ||
309 track->enc->codec_id == CODEC_ID_MP3)
311 put_be16(pb, 0xfffe); /* compression ID (vbr)*/
315 put_be16(pb, 0); /* compression ID (= 0) */
317 put_be16(pb, 0); /* packet size (= 0) */
318 put_be16(pb, track->timescale); /* Time scale */
319 put_be16(pb, 0); /* Reserved */
321 if(track->mode == MODE_MOV && track->enc->codec_id == CODEC_ID_AAC)
323 /* SoundDescription V1 extended info */
324 put_be32(pb, track->enc->frame_size); /* Samples per packet */
325 put_be32(pb, 1536); /* Bytes per packet */
326 put_be32(pb, 2); /* Bytes per frame */
327 put_be32(pb, 2); /* Bytes per sample */
330 if(track->enc->codec_id == CODEC_ID_AAC) {
331 if( track->mode == MODE_MOV ) mov_write_wave_tag(pb, track);
332 else mov_write_esds_tag(pb, track);
334 if(track->enc->codec_id == CODEC_ID_AMR_NB)
335 mov_write_damr_tag(pb);
336 return updateSize (pb, pos);
339 static int mov_write_d263_tag(ByteIOContext *pb)
341 put_be32(pb, 0xf); /* size */
349 /* TODO: No idea about these values */
350 static int mov_write_svq3_tag(ByteIOContext *pb)
356 put_be32(pb, 0xe2c0211d);
357 put_be32(pb, 0xc0000000);
362 static uint8_t *avc_find_startcode( uint8_t *p, uint8_t *end )
364 uint8_t *a = p + 4 - ((int)p & 3);
366 for( end -= 3; p < a && p < end; p++ ) {
367 if( p[0] == 0 && p[1] == 0 && p[2] == 1 )
371 for( end -= 3; p < end; p += 4 ) {
372 uint32_t x = *(uint32_t*)p;
373 // if( (x - 0x01000100) & (~x) & 0x80008000 ) // little endian
374 // if( (x - 0x00010001) & (~x) & 0x00800080 ) // big endian
375 if( (x - 0x01010101) & (~x) & 0x80808080 ) { // generic
377 if( p[0] == 0 && p[2] == 1 )
379 if( p[2] == 0 && p[3] == 1 )
383 if( p[2] == 0 && p[4] == 1 )
385 if( p[4] == 0 && p[5] == 1 )
391 for( end += 3; p < end; p++ ) {
392 if( p[0] == 0 && p[1] == 0 && p[2] == 1 )
399 static void avc_parse_nal_units(uint8_t **buf, int *size)
403 uint8_t *end = p + *size;
404 uint8_t *nal_start, *nal_end;
406 url_open_dyn_buf(&pb);
407 nal_start = avc_find_startcode(p, end);
408 while (nal_start < end) {
409 while(!*(nal_start++));
410 nal_end = avc_find_startcode(nal_start, end);
411 put_be32(&pb, nal_end - nal_start);
412 put_buffer(&pb, nal_start, nal_end - nal_start);
416 *size = url_close_dyn_buf(&pb, buf);
419 static int mov_write_avcc_tag(ByteIOContext *pb, MOVTrack *track)
421 offset_t pos = url_ftell(pb);
425 if (track->vosLen > 6) {
426 /* check for h264 start code */
427 if (BE_32(track->vosData) == 0x00000001) {
429 uint32_t sps_size=0, pps_size=0;
430 uint8_t *sps=0, *pps=0;
432 avc_parse_nal_units(&track->vosData, &track->vosLen);
433 buf = track->vosData;
434 end = track->vosData + track->vosLen;
436 /* look for sps and pps */
441 nal_type = buf[4] & 0x1f;
442 if (nal_type == 7) { /* SPS */
445 } else if (nal_type == 8) { /* PPS */
454 put_byte(pb, 1); /* version */
455 put_byte(pb, sps[1]); /* profile */
456 put_byte(pb, sps[2]); /* profile compat */
457 put_byte(pb, sps[3]); /* level */
458 put_byte(pb, 0xff); /* 6 bits reserved (111111) + 2 bits nal size length - 1 (11) */
459 put_byte(pb, 0xe1); /* 3 bits reserved (111) + 5 bits number of sps (00001) */
461 put_be16(pb, sps_size);
462 put_buffer(pb, sps, sps_size);
463 put_byte(pb, 1); /* number of pps */
464 put_be16(pb, pps_size);
465 put_buffer(pb, pps, pps_size);
467 put_buffer(pb, track->vosData, track->vosLen);
470 return updateSize(pb, pos);
473 static unsigned int descrLength(unsigned int len)
475 if (len < 0x00000080)
477 else if (len < 0x00004000)
479 else if(len < 0x00200000)
485 static void putDescr(ByteIOContext *pb, int tag, int size)
491 vals[3] = (uint8_t)(len & 0x7f);
493 vals[2] = (uint8_t)((len & 0x7f) | 0x80);
495 vals[1] = (uint8_t)((len & 0x7f) | 0x80);
497 vals[0] = (uint8_t)((len & 0x7f) | 0x80);
499 put_byte(pb, tag); // DescriptorTag
501 if (size < 0x00000080)
503 put_byte(pb, vals[3]);
505 else if (size < 0x00004000)
507 put_byte(pb, vals[2]);
508 put_byte(pb, vals[3]);
510 else if (size < 0x00200000)
512 put_byte(pb, vals[1]);
513 put_byte(pb, vals[2]);
514 put_byte(pb, vals[3]);
516 else if (size < 0x10000000)
518 put_byte(pb, vals[0]);
519 put_byte(pb, vals[1]);
520 put_byte(pb, vals[2]);
521 put_byte(pb, vals[3]);
525 static int mov_write_esds_tag(ByteIOContext *pb, MOVTrack* track) // Basic
527 int decoderSpecificInfoLen;
528 offset_t pos = url_ftell(pb);
530 decoderSpecificInfoLen = track->vosLen ? descrLength(track->vosLen):0;
532 put_be32(pb, 0); // size
534 put_be32(pb, 0); // Version
537 putDescr(pb, 0x03, 3 + descrLength(13 + decoderSpecificInfoLen) +
539 put_be16(pb, track->trackID);
540 put_byte(pb, 0x00); // flags (= no flags)
542 // DecoderConfig descriptor
543 putDescr(pb, 0x04, 13 + decoderSpecificInfoLen);
545 // Object type indication
546 put_byte(pb, codec_get_tag(ff_mov_obj_type, track->enc->codec_id));
548 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
549 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
550 if(track->enc->codec_type == CODEC_TYPE_AUDIO)
551 put_byte(pb, 0x15); // flags (= Audiostream)
553 put_byte(pb, 0x11); // flags (= Visualstream)
555 put_byte(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits)
556 put_be16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB
558 put_be32(pb, FFMAX(track->enc->bit_rate, track->enc->rc_max_rate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
559 if(track->enc->rc_max_rate != track->enc->rc_min_rate || track->enc->rc_min_rate==0)
560 put_be32(pb, 0); // vbr
562 put_be32(pb, track->enc->rc_max_rate); // avg bitrate
566 // DecoderSpecific info descriptor
567 putDescr(pb, 0x05, track->vosLen);
568 put_buffer(pb, track->vosData, track->vosLen);
573 putDescr(pb, 0x06, 1);
575 return updateSize (pb, pos);
578 static const CodecTag codec_movvideo_tags[] = {
579 { CODEC_ID_SVQ1, MKTAG('S', 'V', 'Q', '1') },
580 { CODEC_ID_SVQ3, MKTAG('S', 'V', 'Q', '3') },
581 { CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
582 { CODEC_ID_H263, MKTAG('s', '2', '6', '3') },
583 { CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') },
584 /* special handling in mov_find_video_codec_tag */
585 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') }, /* DV NTSC */
586 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 'p') }, /* DV PAL */
587 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'p', 'p') }, /* DVCPRO PAL */
588 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'n') }, /* DVCPRO50 NTSC */
589 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'p') }, /* DVCPRO50 PAL */
590 { CODEC_ID_NONE, 0 },
593 static int mov_find_video_codec_tag(MOVTrack* track)
597 tag = track->enc->codec_tag;
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)
602 tag = MKTAG('d', 'v', '5', 'n');
604 tag = MKTAG('d', 'v', 'c', ' ');
605 } else { /* assume PAL */
606 if (track->enc->pix_fmt == PIX_FMT_YUV422P)
607 tag = MKTAG('d', 'v', '5', 'p');
608 else if (track->enc->pix_fmt == PIX_FMT_YUV420P)
609 tag = MKTAG('d', 'v', 'c', 'p');
611 tag = MKTAG('d', 'v', 'p', 'p');
614 tag = codec_get_tag(codec_movvideo_tags, track->enc->codec_id);
617 // if no mac fcc found, try with Microsoft tags
619 tag = codec_get_tag(codec_bmp_tags, track->enc->codec_id);
624 static int mov_write_video_tag(ByteIOContext *pb, MOVTrack* track)
626 offset_t pos = url_ftell(pb);
627 char compressor_name[32];
630 put_be32(pb, 0); /* size */
632 tag = mov_find_video_codec_tag(track);
633 put_le32(pb, tag); // store it byteswapped
635 put_be32(pb, 0); /* Reserved */
636 put_be16(pb, 0); /* Reserved */
637 put_be16(pb, 1); /* Data-reference index */
639 put_be16(pb, 0); /* Codec stream version */
640 put_be16(pb, 0); /* Codec stream revision (=0) */
641 put_tag(pb, "FFMP"); /* Vendor */
642 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
643 put_be32(pb, 0); /* Temporal Quality */
644 put_be32(pb, 0x400); /* Spatial Quality = lossless*/
646 put_be32(pb, 0x200); /* Temporal Quality = normal */
647 put_be32(pb, 0x200); /* Spatial Quality = normal */
649 put_be16(pb, track->enc->width); /* Video width */
650 put_be16(pb, track->enc->height); /* Video height */
651 put_be32(pb, 0x00480000); /* Horizontal resolution 72dpi */
652 put_be32(pb, 0x00480000); /* Vertical resolution 72dpi */
653 put_be32(pb, 0); /* Data size (= 0) */
654 put_be16(pb, 1); /* Frame count (= 1) */
656 memset(compressor_name,0,32);
657 if (track->enc->codec && track->enc->codec->name)
658 strncpy(compressor_name,track->enc->codec->name,31);
659 put_byte(pb, strlen(compressor_name));
660 put_buffer(pb, compressor_name, 31);
662 put_be16(pb, 0x18); /* Reserved */
663 put_be16(pb, 0xffff); /* Reserved */
664 if(track->enc->codec_id == CODEC_ID_MPEG4)
665 mov_write_esds_tag(pb, track);
666 else if(track->enc->codec_id == CODEC_ID_H263)
667 mov_write_d263_tag(pb);
668 else if(track->enc->codec_id == CODEC_ID_SVQ3)
669 mov_write_svq3_tag(pb);
670 else if(track->enc->codec_id == CODEC_ID_H264)
671 mov_write_avcc_tag(pb, track);
673 return updateSize (pb, pos);
676 static int mov_write_stsd_tag(ByteIOContext *pb, MOVTrack* track)
678 offset_t pos = url_ftell(pb);
679 put_be32(pb, 0); /* size */
681 put_be32(pb, 0); /* version & flags */
682 put_be32(pb, 1); /* entry count */
683 if (track->enc->codec_type == CODEC_TYPE_VIDEO)
684 mov_write_video_tag(pb, track);
685 else if (track->enc->codec_type == CODEC_TYPE_AUDIO)
686 mov_write_audio_tag(pb, track);
687 return updateSize(pb, pos);
690 static int mov_write_ctts_tag(ByteIOContext *pb, MOVTrack* track)
692 Time2Sample *ctts_entries;
693 uint32_t entries = 0;
697 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
698 ctts_entries[0].count = 1;
699 ctts_entries[0].duration = track->cluster[0][0].cts;
700 for (i=1; i<track->entry; i++) {
701 int cl = i / MOV_INDEX_CLUSTER_SIZE;
702 int id = i % MOV_INDEX_CLUSTER_SIZE;
703 if (track->cluster[cl][id].cts == ctts_entries[entries].duration) {
704 ctts_entries[entries].count++; /* compress */
707 ctts_entries[entries].duration = track->cluster[cl][id].cts;
708 ctts_entries[entries].count = 1;
711 entries++; /* last one */
712 atom_size = 16 + (entries * 8);
713 put_be32(pb, atom_size); /* size */
715 put_be32(pb, 0); /* version & flags */
716 put_be32(pb, entries); /* entry count */
717 for (i=0; i<entries; i++) {
718 put_be32(pb, ctts_entries[i].count);
719 put_be32(pb, ctts_entries[i].duration);
721 av_free(ctts_entries);
726 /* Time to sample atom */
727 static int mov_write_stts_tag(ByteIOContext *pb, MOVTrack* track)
729 put_be32(pb, 0x18); /* size */
731 put_be32(pb, 0); /* version & flags */
732 put_be32(pb, 1); /* entry count */
734 put_be32(pb, track->sampleCount); /* sample count */
735 put_be32(pb, track->sampleDuration); /* sample duration */
739 static int mov_write_dref_tag(ByteIOContext *pb)
741 put_be32(pb, 28); /* size */
743 put_be32(pb, 0); /* version & flags */
744 put_be32(pb, 1); /* entry count */
746 put_be32(pb, 0xc); /* size */
748 put_be32(pb, 1); /* version & flags */
753 static int mov_write_stbl_tag(ByteIOContext *pb, MOVTrack* track)
755 offset_t pos = url_ftell(pb);
756 put_be32(pb, 0); /* size */
758 mov_write_stsd_tag(pb, track);
759 mov_write_stts_tag(pb, track);
760 if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
761 track->hasKeyframes < track->entry)
762 mov_write_stss_tag(pb, track);
763 if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
765 mov_write_ctts_tag(pb, track);
766 mov_write_stsc_tag(pb, track);
767 mov_write_stsz_tag(pb, track);
768 mov_write_stco_tag(pb, track);
769 return updateSize(pb, pos);
772 static int mov_write_dinf_tag(ByteIOContext *pb)
774 offset_t pos = url_ftell(pb);
775 put_be32(pb, 0); /* size */
777 mov_write_dref_tag(pb);
778 return updateSize(pb, pos);
781 static int mov_write_smhd_tag(ByteIOContext *pb)
783 put_be32(pb, 16); /* size */
785 put_be32(pb, 0); /* version & flags */
786 put_be16(pb, 0); /* reserved (balance, normally = 0) */
787 put_be16(pb, 0); /* reserved */
791 static int mov_write_vmhd_tag(ByteIOContext *pb)
793 put_be32(pb, 0x14); /* size (always 0x14) */
795 put_be32(pb, 0x01); /* version & flags */
796 put_be64(pb, 0); /* reserved (graphics mode = copy) */
800 static int mov_write_hdlr_tag(ByteIOContext *pb, MOVTrack* track)
802 char *descr, *hdlr, *hdlr_type;
803 offset_t pos = url_ftell(pb);
805 if (!track) { /* no media --> data handler */
808 descr = "DataHandler";
810 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
811 if (track->enc->codec_type == CODEC_TYPE_VIDEO) {
813 descr = "VideoHandler";
816 descr = "SoundHandler";
820 put_be32(pb, 0); /* size */
822 put_be32(pb, 0); /* Version & flags */
823 put_buffer(pb, hdlr, 4); /* handler */
824 put_tag(pb, hdlr_type); /* handler type */
825 put_be32(pb ,0); /* reserved */
826 put_be32(pb ,0); /* reserved */
827 put_be32(pb ,0); /* reserved */
828 put_byte(pb, strlen(descr)); /* string counter */
829 put_buffer(pb, descr, strlen(descr)); /* handler description */
830 return updateSize(pb, pos);
833 static int mov_write_minf_tag(ByteIOContext *pb, MOVTrack* track)
835 offset_t pos = url_ftell(pb);
836 put_be32(pb, 0); /* size */
838 if(track->enc->codec_type == CODEC_TYPE_VIDEO)
839 mov_write_vmhd_tag(pb);
841 mov_write_smhd_tag(pb);
842 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
843 mov_write_hdlr_tag(pb, NULL);
844 mov_write_dinf_tag(pb);
845 mov_write_stbl_tag(pb, track);
846 return updateSize(pb, pos);
849 static int mov_write_mdhd_tag(ByteIOContext *pb, MOVTrack* track)
851 int version = track->trackDuration < INT32_MAX ? 0 : 1;
853 (version == 1) ? put_be32(pb, 44) : put_be32(pb, 32); /* size */
855 put_byte(pb, version);
856 put_be24(pb, 0); /* flags */
858 put_be64(pb, track->time);
859 put_be64(pb, track->time);
861 put_be32(pb, track->time); /* creation time */
862 put_be32(pb, track->time); /* modification time */
864 put_be32(pb, track->timescale); /* time scale (sample rate for audio) */
865 (version == 1) ? put_be64(pb, track->trackDuration) : put_be32(pb, track->trackDuration); /* duration */
866 put_be16(pb, track->language); /* language */
867 put_be16(pb, 0); /* reserved (quality) */
871 static int mov_write_mdia_tag(ByteIOContext *pb, MOVTrack* track)
873 offset_t pos = url_ftell(pb);
874 put_be32(pb, 0); /* size */
876 mov_write_mdhd_tag(pb, track);
877 mov_write_hdlr_tag(pb, track);
878 mov_write_minf_tag(pb, track);
879 return updateSize(pb, pos);
882 static int mov_write_tkhd_tag(ByteIOContext *pb, MOVTrack* track)
884 int64_t duration = av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP);
885 int version = duration < INT32_MAX ? 0 : 1;
887 (version == 1) ? put_be32(pb, 104) : put_be32(pb, 92); /* size */
889 put_byte(pb, version);
890 put_be24(pb, 0xf); /* flags (track enabled) */
892 put_be64(pb, track->time);
893 put_be64(pb, track->time);
895 put_be32(pb, track->time); /* creation time */
896 put_be32(pb, track->time); /* modification time */
898 put_be32(pb, track->trackID); /* track-id */
899 put_be32(pb, 0); /* reserved */
900 (version == 1) ? put_be64(pb, duration) : put_be32(pb, duration);
902 put_be32(pb, 0); /* reserved */
903 put_be32(pb, 0); /* reserved */
904 put_be32(pb, 0x0); /* reserved (Layer & Alternate group) */
905 /* Volume, only for audio */
906 if(track->enc->codec_type == CODEC_TYPE_AUDIO)
907 put_be16(pb, 0x0100);
910 put_be16(pb, 0); /* reserved */
912 /* Matrix structure */
913 put_be32(pb, 0x00010000); /* reserved */
914 put_be32(pb, 0x0); /* reserved */
915 put_be32(pb, 0x0); /* reserved */
916 put_be32(pb, 0x0); /* reserved */
917 put_be32(pb, 0x00010000); /* reserved */
918 put_be32(pb, 0x0); /* reserved */
919 put_be32(pb, 0x0); /* reserved */
920 put_be32(pb, 0x0); /* reserved */
921 put_be32(pb, 0x40000000); /* reserved */
923 /* Track width and height, for visual only */
924 if(track->enc->codec_type == CODEC_TYPE_VIDEO) {
925 double sample_aspect_ratio = av_q2d(track->enc->sample_aspect_ratio);
926 if( !sample_aspect_ratio ) sample_aspect_ratio = 1;
927 put_be32(pb, sample_aspect_ratio * track->enc->width*0x10000);
928 put_be32(pb, track->enc->height*0x10000);
937 // This box seems important for the psp playback ... without it the movie seems to hang
938 static int mov_write_edts_tag(ByteIOContext *pb, MOVTrack *track)
940 put_be32(pb, 0x24); /* size */
942 put_be32(pb, 0x1c); /* size */
947 put_be32(pb, av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP)); /* duration ... doesn't seem to effect psp */
949 if (track->hasBframes)
950 put_be32(pb, track->sampleDuration); /* first pts is 1 */
953 put_be32(pb, 0x00010000);
957 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
958 static int mov_write_uuid_tag_psp(ByteIOContext *pb, MOVTrack *mov)
960 put_be32(pb, 0x34); /* size ... reports as 28 in mp4box! */
963 put_be32(pb, 0x21d24fce);
964 put_be32(pb, 0xbb88695c);
965 put_be32(pb, 0xfac9c740);
966 put_be32(pb, 0x1c); // another size here!
968 put_be32(pb, 0x00010012);
970 put_be32(pb, 0x55c40000);
976 static int mov_write_trak_tag(ByteIOContext *pb, MOVTrack* track)
978 offset_t pos = url_ftell(pb);
979 put_be32(pb, 0); /* size */
981 mov_write_tkhd_tag(pb, track);
982 if (track->mode == MODE_PSP || track->hasBframes)
983 mov_write_edts_tag(pb, track); // PSP Movies require edts box
984 mov_write_mdia_tag(pb, track);
985 if (track->mode == MODE_PSP)
986 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
987 return updateSize(pb, pos);
991 /* TODO: Not sorted out, but not necessary either */
992 static int mov_write_iods_tag(ByteIOContext *pb, MOVContext *mov)
994 put_be32(pb, 0x15); /* size */
996 put_be32(pb, 0); /* version & flags */
997 put_be16(pb, 0x1007);
999 put_be16(pb, 0x4fff);
1000 put_be16(pb, 0xfffe);
1001 put_be16(pb, 0x01ff);
1006 static int mov_write_mvhd_tag(ByteIOContext *pb, MOVContext *mov)
1008 int maxTrackID = 1, i;
1009 int64_t maxTrackLenTemp, maxTrackLen = 0;
1012 for (i=0; i<MAX_STREAMS; i++) {
1013 if(mov->tracks[i].entry > 0) {
1014 maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration, globalTimescale, mov->tracks[i].timescale, AV_ROUND_UP);
1015 if(maxTrackLen < maxTrackLenTemp)
1016 maxTrackLen = maxTrackLenTemp;
1017 if(maxTrackID < mov->tracks[i].trackID)
1018 maxTrackID = mov->tracks[i].trackID;
1022 version = maxTrackLen < UINT32_MAX ? 0 : 1;
1023 (version == 1) ? put_be32(pb, 120) : put_be32(pb, 108); /* size */
1024 put_tag(pb, "mvhd");
1025 put_byte(pb, version);
1026 put_be24(pb, 0); /* flags */
1028 put_be64(pb, mov->time);
1029 put_be64(pb, mov->time);
1031 put_be32(pb, mov->time); /* creation time */
1032 put_be32(pb, mov->time); /* modification time */
1034 put_be32(pb, mov->timescale); /* timescale */
1035 (version == 1) ? put_be64(pb, maxTrackLen) : put_be32(pb, maxTrackLen); /* duration of longest track */
1037 put_be32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1038 put_be16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1039 put_be16(pb, 0); /* reserved */
1040 put_be32(pb, 0); /* reserved */
1041 put_be32(pb, 0); /* reserved */
1043 /* Matrix structure */
1044 put_be32(pb, 0x00010000); /* reserved */
1045 put_be32(pb, 0x0); /* reserved */
1046 put_be32(pb, 0x0); /* reserved */
1047 put_be32(pb, 0x0); /* reserved */
1048 put_be32(pb, 0x00010000); /* reserved */
1049 put_be32(pb, 0x0); /* reserved */
1050 put_be32(pb, 0x0); /* reserved */
1051 put_be32(pb, 0x0); /* reserved */
1052 put_be32(pb, 0x40000000); /* reserved */
1054 put_be32(pb, 0); /* reserved (preview time) */
1055 put_be32(pb, 0); /* reserved (preview duration) */
1056 put_be32(pb, 0); /* reserved (poster time) */
1057 put_be32(pb, 0); /* reserved (selection time) */
1058 put_be32(pb, 0); /* reserved (selection duration) */
1059 put_be32(pb, 0); /* reserved (current time) */
1060 put_be32(pb, maxTrackID+1); /* Next track id */
1064 static int mov_write_itunes_hdlr_tag(ByteIOContext *pb, MOVContext* mov,
1067 offset_t pos = url_ftell(pb);
1068 put_be32(pb, 0); /* size */
1069 put_tag(pb, "hdlr");
1072 put_tag(pb, "mdir");
1073 put_tag(pb, "appl");
1077 return updateSize(pb, pos);
1080 /* helper function to write a data tag with the specified string as data */
1081 static int mov_write_string_data_tag(ByteIOContext *pb, MOVContext* mov,
1082 AVFormatContext *s, const char *data)
1084 offset_t pos = url_ftell(pb);
1085 put_be32(pb, 0); /* size */
1086 put_tag(pb, "data");
1089 put_buffer(pb, data, strlen(data));
1090 return updateSize(pb, pos);
1093 /* iTunes name of the song/movie */
1094 static int mov_write_nam_tag(ByteIOContext *pb, MOVContext* mov,
1098 if ( s->title[0] ) {
1099 offset_t pos = url_ftell(pb);
1100 put_be32(pb, 0); /* size */
1101 put_tag(pb, "\251nam");
1102 mov_write_string_data_tag(pb, mov, s, s->title);
1103 size = updateSize(pb, pos);
1108 /* iTunes name of the artist/performer */
1109 static int mov_write_ART_tag(ByteIOContext *pb, MOVContext* mov,
1113 if ( s->author[0] ) {
1114 offset_t pos = url_ftell(pb);
1115 put_be32(pb, 0); /* size */
1116 put_tag(pb, "\251ART");
1117 // we use the author here as this is the only thing that we have...
1118 mov_write_string_data_tag(pb, mov, s, s->author);
1119 size = updateSize(pb, pos);
1124 /* iTunes name of the writer */
1125 static int mov_write_wrt_tag(ByteIOContext *pb, MOVContext* mov,
1129 if ( s->author[0] ) {
1130 offset_t pos = url_ftell(pb);
1131 put_be32(pb, 0); /* size */
1132 put_tag(pb, "\251wrt");
1133 mov_write_string_data_tag(pb, mov, s, s->author);
1134 size = updateSize(pb, pos);
1139 /* iTunes name of the album */
1140 static int mov_write_alb_tag(ByteIOContext *pb, MOVContext* mov,
1144 if ( s->album[0] ) {
1145 offset_t pos = url_ftell(pb);
1146 put_be32(pb, 0); /* size */
1147 put_tag(pb, "\251alb");
1148 mov_write_string_data_tag(pb, mov, s, s->album);
1149 size = updateSize(pb, pos);
1155 static int mov_write_day_tag(ByteIOContext *pb, MOVContext* mov,
1161 offset_t pos = url_ftell(pb);
1162 put_be32(pb, 0); /* size */
1163 put_tag(pb, "\251day");
1164 snprintf(year, 5, "%04d", s->year);
1165 mov_write_string_data_tag(pb, mov, s, year);
1166 size = updateSize(pb, pos);
1171 /* iTunes tool used to create the file */
1172 static int mov_write_too_tag(ByteIOContext *pb, MOVContext* mov,
1175 offset_t pos = url_ftell(pb);
1176 put_be32(pb, 0); /* size */
1177 put_tag(pb, "\251too");
1178 mov_write_string_data_tag(pb, mov, s, LIBAVFORMAT_IDENT);
1179 return updateSize(pb, pos);
1182 /* iTunes comment */
1183 static int mov_write_cmt_tag(ByteIOContext *pb, MOVContext* mov,
1187 if ( s->comment[0] ) {
1188 offset_t pos = url_ftell(pb);
1189 put_be32(pb, 0); /* size */
1190 put_tag(pb, "\251cmt");
1191 mov_write_string_data_tag(pb, mov, s, s->comment);
1192 size = updateSize(pb, pos);
1197 /* iTunes custom genre */
1198 static int mov_write_gen_tag(ByteIOContext *pb, MOVContext* mov,
1202 if ( s->genre[0] ) {
1203 offset_t pos = url_ftell(pb);
1204 put_be32(pb, 0); /* size */
1205 put_tag(pb, "\251gen");
1206 mov_write_string_data_tag(pb, mov, s, s->genre);
1207 size = updateSize(pb, pos);
1212 /* iTunes track number */
1213 static int mov_write_trkn_tag(ByteIOContext *pb, MOVContext* mov,
1218 offset_t pos = url_ftell(pb);
1219 put_be32(pb, 0); /* size */
1220 put_tag(pb, "trkn");
1222 offset_t pos = url_ftell(pb);
1223 put_be32(pb, 0); /* size */
1224 put_tag(pb, "data");
1225 put_be32(pb, 0); // 8 bytes empty
1227 put_be16(pb, 0); // empty
1228 put_be16(pb, s->track); // track number
1229 put_be16(pb, 0); // total track number
1230 put_be16(pb, 0); // empty
1231 updateSize(pb, pos);
1233 size = updateSize(pb, pos);
1238 /* iTunes meta data list */
1239 static int mov_write_ilst_tag(ByteIOContext *pb, MOVContext* mov,
1242 offset_t pos = url_ftell(pb);
1243 put_be32(pb, 0); /* size */
1244 put_tag(pb, "ilst");
1245 mov_write_nam_tag(pb, mov, s);
1246 mov_write_ART_tag(pb, mov, s);
1247 mov_write_wrt_tag(pb, mov, s);
1248 mov_write_alb_tag(pb, mov, s);
1249 mov_write_day_tag(pb, mov, s);
1250 mov_write_too_tag(pb, mov, s);
1251 mov_write_cmt_tag(pb, mov, s);
1252 mov_write_gen_tag(pb, mov, s);
1253 mov_write_trkn_tag(pb, mov, s);
1254 return updateSize(pb, pos);
1257 /* iTunes meta data tag */
1258 static int mov_write_meta_tag(ByteIOContext *pb, MOVContext* mov,
1263 // only save meta tag if required
1264 if ( s->title[0] || s->author[0] || s->album[0] || s->year ||
1265 s->comment[0] || s->genre[0] || s->track ) {
1266 offset_t pos = url_ftell(pb);
1267 put_be32(pb, 0); /* size */
1268 put_tag(pb, "meta");
1270 mov_write_itunes_hdlr_tag(pb, mov, s);
1271 mov_write_ilst_tag(pb, mov, s);
1272 size = updateSize(pb, pos);
1277 static int mov_write_udta_tag(ByteIOContext *pb, MOVContext* mov,
1280 offset_t pos = url_ftell(pb);
1283 put_be32(pb, 0); /* size */
1284 put_tag(pb, "udta");
1286 /* iTunes meta data */
1287 mov_write_meta_tag(pb, mov, s);
1290 for (i=0; i<MAX_STREAMS; i++) {
1291 if(mov->tracks[i].entry <= 0) continue;
1292 if (mov->tracks[i].enc->codec_id == CODEC_ID_AAC ||
1293 mov->tracks[i].enc->codec_id == CODEC_ID_MPEG4) {
1294 offset_t pos = url_ftell(pb);
1295 put_be32(pb, 0); /* size */
1296 put_tag(pb, "\251req");
1297 put_be16(pb, sizeof("QuickTime 6.0 or greater") - 1);
1299 put_buffer(pb, "QuickTime 6.0 or greater",
1300 sizeof("QuickTime 6.0 or greater") - 1);
1301 updateSize(pb, pos);
1307 if(mov->tracks[0].enc && !(mov->tracks[0].enc->flags & CODEC_FLAG_BITEXACT))
1309 offset_t pos = url_ftell(pb);
1310 put_be32(pb, 0); /* size */
1311 put_tag(pb, "\251enc");
1312 put_be16(pb, sizeof(LIBAVFORMAT_IDENT) - 1); /* string length */
1314 put_buffer(pb, LIBAVFORMAT_IDENT, sizeof(LIBAVFORMAT_IDENT) - 1);
1315 updateSize(pb, pos);
1320 offset_t pos = url_ftell(pb);
1321 put_be32(pb, 0); /* size */
1322 put_tag(pb, "\251nam");
1323 put_be16(pb, strlen(s->title)); /* string length */
1325 put_buffer(pb, s->title, strlen(s->title));
1326 updateSize(pb, pos);
1331 offset_t pos = url_ftell(pb);
1332 put_be32(pb, 0); /* size */
1333 put_tag(pb, /*"\251aut"*/ "\251day" );
1334 put_be16(pb, strlen(s->author)); /* string length */
1336 put_buffer(pb, s->author, strlen(s->author));
1337 updateSize(pb, pos);
1342 offset_t pos = url_ftell(pb);
1343 put_be32(pb, 0); /* size */
1344 put_tag(pb, "\251des");
1345 put_be16(pb, strlen(s->comment)); /* string length */
1347 put_buffer(pb, s->comment, strlen(s->comment));
1348 updateSize(pb, pos);
1351 return updateSize(pb, pos);
1355 static size_t ascii_to_wc (ByteIOContext *pb, char *b, size_t n)
1359 for (i = 0; i < n - 1; i++) {
1361 if (! (0x20 <= c && c <= 0x7f ))
1369 static uint16_t language_code (char *str)
1371 return ((((str[0]-'a') & 0x1F)<<10) + (((str[1]-'a') & 0x1F)<<5) + ((str[2]-'a') & 0x1F));
1374 static int mov_write_uuidusmt_tag (ByteIOContext *pb, AVFormatContext *s)
1377 offset_t pos, curpos;
1381 pos = url_ftell(pb);
1382 put_be32(pb, 0); /* size placeholder*/
1383 put_tag(pb, "uuid");
1384 put_tag(pb, "USMT");
1385 put_be32(pb, 0x21d24fce ); /* 96 bit UUID */
1386 put_be32(pb, 0xbb88695c );
1387 put_be32(pb, 0xfac9c740 );
1390 put_be32(pb, 0); /* size placeholder*/
1391 put_tag(pb, "MTDT");
1396 len = strlen(s->title)+1;
1397 put_be16(pb, len*2+10); /* size */
1398 put_be32(pb, 0x01); /* type */
1399 put_be16(pb, language_code("und")); /* language */
1400 put_be16(pb, 0x01); /* ? */
1401 ascii_to_wc (pb, s->title, len);
1405 curpos = url_ftell(pb);
1406 url_fseek(pb, pos, SEEK_SET);
1408 url_fseek(pb, pos+24, SEEK_SET);
1409 put_be32(pb, size-24);
1410 url_fseek(pb, curpos, SEEK_SET);
1416 static int mov_write_moov_tag(ByteIOContext *pb, MOVContext *mov,
1420 offset_t pos = url_ftell(pb);
1421 put_be32(pb, 0); /* size placeholder*/
1422 put_tag(pb, "moov");
1423 mov->timescale = globalTimescale;
1425 for (i=0; i<MAX_STREAMS; i++) {
1426 if(mov->tracks[i].entry <= 0) continue;
1428 if(mov->tracks[i].enc->codec_type == CODEC_TYPE_VIDEO) {
1429 mov->tracks[i].timescale = mov->tracks[i].enc->time_base.den;
1430 mov->tracks[i].sampleDuration = mov->tracks[i].enc->time_base.num;
1432 else if(mov->tracks[i].enc->codec_type == CODEC_TYPE_AUDIO) {
1433 /* If AMR, track timescale = 8000, AMR_WB = 16000 */
1434 if(mov->tracks[i].enc->codec_id == CODEC_ID_AMR_NB) {
1435 mov->tracks[i].sampleDuration = 160; // Bytes per chunk
1436 mov->tracks[i].timescale = 8000;
1439 mov->tracks[i].timescale = mov->tracks[i].enc->sample_rate;
1440 mov->tracks[i].sampleDuration = mov->tracks[i].enc->frame_size;
1444 mov->tracks[i].trackDuration =
1445 (int64_t)mov->tracks[i].sampleCount * mov->tracks[i].sampleDuration;
1446 mov->tracks[i].time = mov->time;
1447 mov->tracks[i].trackID = i+1;
1450 mov_write_mvhd_tag(pb, mov);
1451 //mov_write_iods_tag(pb, mov);
1452 for (i=0; i<MAX_STREAMS; i++) {
1453 if(mov->tracks[i].entry > 0) {
1454 mov_write_trak_tag(pb, &(mov->tracks[i]));
1458 if (mov->mode == MODE_PSP)
1459 mov_write_uuidusmt_tag(pb, s);
1461 mov_write_udta_tag(pb, mov, s);
1463 return updateSize(pb, pos);
1466 int mov_write_mdat_tag(ByteIOContext *pb, MOVContext* mov)
1468 put_be32(pb, 8); // placeholder for extended size field (64 bit)
1469 put_tag(pb, "wide");
1471 mov->mdat_pos = url_ftell(pb);
1472 put_be32(pb, 0); /* size placeholder*/
1473 put_tag(pb, "mdat");
1477 /* TODO: This needs to be more general */
1478 static void mov_write_ftyp_tag (ByteIOContext *pb, AVFormatContext *s)
1480 MOVContext *mov = s->priv_data;
1482 put_be32(pb, 0x14 ); /* size */
1483 put_tag(pb, "ftyp");
1485 if ( mov->mode == MODE_3GP )
1486 put_tag(pb, "3gp4");
1487 else if ( mov->mode == MODE_3G2 )
1488 put_tag(pb, "3g2a");
1489 else if ( mov->mode == MODE_PSP )
1490 put_tag(pb, "MSNV");
1491 else if ( mov->mode == MODE_MP4 )
1492 put_tag(pb, "isom");
1496 put_be32(pb, 0x200 );
1498 if ( mov->mode == MODE_3GP )
1499 put_tag(pb, "3gp4");
1500 else if ( mov->mode == MODE_3G2 )
1501 put_tag(pb, "3g2a");
1502 else if ( mov->mode == MODE_PSP )
1503 put_tag(pb, "MSNV");
1504 else if ( mov->mode == MODE_MP4 )
1505 put_tag(pb, "mp41");
1510 static void mov_write_uuidprof_tag(ByteIOContext *pb, AVFormatContext *s)
1512 AVCodecContext *VideoCodec = s->streams[0]->codec;
1513 AVCodecContext *AudioCodec = s->streams[1]->codec;
1514 int AudioRate = AudioCodec->sample_rate;
1515 int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num);
1516 int audio_kbitrate= AudioCodec->bit_rate / 1000;
1517 int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate);
1519 put_be32(pb, 0x94 ); /* size */
1520 put_tag(pb, "uuid");
1521 put_tag(pb, "PROF");
1523 put_be32(pb, 0x21d24fce ); /* 96 bit UUID */
1524 put_be32(pb, 0xbb88695c );
1525 put_be32(pb, 0xfac9c740 );
1527 put_be32(pb, 0x0 ); /* ? */
1528 put_be32(pb, 0x3 ); /* 3 sections ? */
1530 put_be32(pb, 0x14 ); /* size */
1531 put_tag(pb, "FPRF");
1532 put_be32(pb, 0x0 ); /* ? */
1533 put_be32(pb, 0x0 ); /* ? */
1534 put_be32(pb, 0x0 ); /* ? */
1536 put_be32(pb, 0x2c ); /* size */
1537 put_tag(pb, "APRF"); /* audio */
1539 put_be32(pb, 0x2 ); /* TrackID */
1540 put_tag(pb, "mp4a");
1541 put_be32(pb, 0x20f );
1543 put_be32(pb, audio_kbitrate);
1544 put_be32(pb, audio_kbitrate);
1545 put_be32(pb, AudioRate );
1546 put_be32(pb, AudioCodec->channels );
1548 put_be32(pb, 0x34 ); /* size */
1549 put_tag(pb, "VPRF"); /* video */
1551 put_be32(pb, 0x1 ); /* TrackID */
1552 if (VideoCodec->codec_id == CODEC_ID_H264) {
1553 put_tag(pb, "avc1");
1554 put_be16(pb, 0x014D );
1555 put_be16(pb, 0x0015 );
1557 put_tag(pb, "mp4v");
1558 put_be16(pb, 0x0000 );
1559 put_be16(pb, 0x0103 );
1562 put_be32(pb, video_kbitrate);
1563 put_be32(pb, video_kbitrate);
1564 put_be32(pb, FrameRate);
1565 put_be32(pb, FrameRate);
1566 put_be16(pb, VideoCodec->width);
1567 put_be16(pb, VideoCodec->height);
1568 put_be32(pb, 0x010001); /* ? */
1571 static int mov_write_header(AVFormatContext *s)
1573 ByteIOContext *pb = &s->pb;
1574 MOVContext *mov = s->priv_data;
1577 /* Default mode == MP4 */
1578 mov->mode = MODE_MP4;
1580 if (s->oformat != NULL) {
1581 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
1582 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3G2;
1583 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
1584 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
1586 mov_write_ftyp_tag(pb,s);
1587 if ( mov->mode == MODE_PSP ) {
1588 if ( s->nb_streams != 2 ) {
1589 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
1592 mov_write_uuidprof_tag(pb,s);
1596 for(i=0; i<s->nb_streams; i++){
1597 AVCodecContext *c= s->streams[i]->codec;
1599 if(c->codec_type == CODEC_TYPE_VIDEO){
1600 av_set_pts_info(s->streams[i], 64, 1, c->time_base.den);
1601 if (!codec_get_tag(codec_movvideo_tags, c->codec_id)){
1602 if(!codec_get_tag(codec_bmp_tags, c->codec_id))
1605 av_log(s, AV_LOG_INFO, "Warning, using MS style video codec tag, the file may be unplayable!\n");
1607 }else if(c->codec_type == CODEC_TYPE_AUDIO){
1608 av_set_pts_info(s->streams[i], 64, 1, c->sample_rate);
1609 if (!codec_get_tag(codec_movaudio_tags, c->codec_id)){
1610 if(!codec_get_tag(codec_wav_tags, c->codec_id))
1613 av_log(s, AV_LOG_INFO, "Warning, using MS style audio codec tag, the file may be unplayable!\n");
1616 mov->tracks[i].language = ff_mov_iso639_to_lang(s->streams[i]->language, mov->mode != MODE_MOV);
1619 for (i=0; i<MAX_STREAMS; i++) {
1620 mov->tracks[i].mode = mov->mode;
1623 mov_write_mdat_tag(pb, mov);
1624 mov->time = s->timestamp + 0x7C25B080; //1970 based -> 1904 based
1626 put_flush_packet(pb);
1631 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
1633 MOVContext *mov = s->priv_data;
1634 ByteIOContext *pb = &s->pb;
1635 AVCodecContext *enc = s->streams[pkt->stream_index]->codec;
1636 MOVTrack* trk = &mov->tracks[pkt->stream_index];
1638 unsigned int samplesInChunk = 0;
1639 int size= pkt->size;
1641 if (url_is_streamed(&s->pb)) return 0; /* Can't handle that */
1642 if (!size) return 0; /* Discard 0 sized packets */
1644 if (enc->codec_type == CODEC_TYPE_AUDIO) {
1645 switch (enc->codec_id) {
1646 case CODEC_ID_AMR_NB:
1647 { /* We must find out how many AMR blocks there are in one packet */
1648 static uint16_t packed_size[16] =
1649 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 0};
1652 while (len < size && samplesInChunk < 100) {
1653 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
1658 case CODEC_ID_PCM_ALAW:
1659 samplesInChunk = size/enc->channels;
1661 case CODEC_ID_PCM_S16BE:
1662 case CODEC_ID_PCM_S16LE:
1663 samplesInChunk = size/(2*enc->channels);
1672 /* copy extradata if it exists */
1673 if (trk->vosLen == 0 && enc->extradata_size > 0) {
1674 trk->vosLen = enc->extradata_size;
1675 trk->vosData = av_malloc(trk->vosLen);
1676 memcpy(trk->vosData, enc->extradata, trk->vosLen);
1679 if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) {
1680 /* from x264 or from bytestream h264 */
1681 /* nal reformating needed */
1682 avc_parse_nal_units(&pkt->data, &pkt->size);
1687 cl = trk->entry / MOV_INDEX_CLUSTER_SIZE;
1688 id = trk->entry % MOV_INDEX_CLUSTER_SIZE;
1690 if (trk->ents_allocated <= trk->entry) {
1691 trk->cluster = av_realloc(trk->cluster, (cl+1)*sizeof(void*));
1694 trk->cluster[cl] = av_malloc(MOV_INDEX_CLUSTER_SIZE*sizeof(MOVIentry));
1695 if (!trk->cluster[cl])
1697 trk->ents_allocated += MOV_INDEX_CLUSTER_SIZE;
1700 trk->cluster[cl][id].pos = url_ftell(pb);
1701 trk->cluster[cl][id].samplesInChunk = samplesInChunk;
1702 trk->cluster[cl][id].size = size;
1703 trk->cluster[cl][id].entries = samplesInChunk;
1704 if(enc->codec_type == CODEC_TYPE_VIDEO) {
1705 if (pkt->dts != pkt->pts)
1706 trk->hasBframes = 1;
1707 trk->cluster[cl][id].cts = pkt->pts - pkt->dts;
1708 trk->cluster[cl][id].key_frame = !!(pkt->flags & PKT_FLAG_KEY);
1709 if(trk->cluster[cl][id].key_frame)
1710 trk->hasKeyframes++;
1714 trk->sampleCount += samplesInChunk;
1715 trk->mdat_size += size;
1717 put_buffer(pb, pkt->data, size);
1719 put_flush_packet(pb);
1723 static int mov_write_trailer(AVFormatContext *s)
1725 MOVContext *mov = s->priv_data;
1726 ByteIOContext *pb = &s->pb;
1731 offset_t moov_pos = url_ftell(pb);
1733 /* Write size of mdat tag */
1734 for (i=0, j=0; i<MAX_STREAMS; i++) {
1735 if(mov->tracks[i].ents_allocated > 0) {
1736 j += mov->tracks[i].mdat_size;
1739 if (j+8 <= UINT32_MAX) {
1740 url_fseek(pb, mov->mdat_pos, SEEK_SET);
1743 /* overwrite 'wide' placeholder atom */
1744 url_fseek(pb, mov->mdat_pos - 8, SEEK_SET);
1745 put_be32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */
1746 put_tag(pb, "mdat");
1749 url_fseek(pb, moov_pos, SEEK_SET);
1751 mov_write_moov_tag(pb, mov, s);
1753 for (i=0; i<MAX_STREAMS; i++) {
1754 for (j=0; j<mov->tracks[i].ents_allocated/MOV_INDEX_CLUSTER_SIZE; j++) {
1755 av_free(mov->tracks[i].cluster[j]);
1757 av_free(mov->tracks[i].cluster);
1758 if( mov->tracks[i].vosLen ) av_free( mov->tracks[i].vosData );
1760 mov->tracks[i].cluster = NULL;
1761 mov->tracks[i].ents_allocated = mov->tracks[i].entry = 0;
1764 put_flush_packet(pb);
1769 static AVOutputFormat mov_oformat = {
1780 .flags = AVFMT_GLOBALHEADER,
1783 static AVOutputFormat _3gp_oformat = {
1794 .flags = AVFMT_GLOBALHEADER,
1797 static AVOutputFormat mp4_oformat = {
1808 .flags = AVFMT_GLOBALHEADER,
1811 static AVOutputFormat psp_oformat = {
1822 .flags = AVFMT_GLOBALHEADER,
1825 static AVOutputFormat _3g2_oformat = {
1836 .flags = AVFMT_GLOBALHEADER,
1839 int movenc_init(void)
1841 av_register_output_format(&mov_oformat);
1842 av_register_output_format(&_3gp_oformat);
1843 av_register_output_format(&mp4_oformat);
1844 av_register_output_format(&psp_oformat);
1845 av_register_output_format(&_3g2_oformat);