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 {
68 typedef struct MOVContext {
75 MOVTrack tracks[MAX_STREAMS];
78 static int mov_write_esds_tag(ByteIOContext *pb, MOVTrack* track);
80 /* output language code from iso639 language name */
81 extern int ff_mov_iso639_to_lang(const char *lang, int mp4);
83 //FIXME supprt 64bit varaint with wide placeholders
84 static offset_t updateSize (ByteIOContext *pb, offset_t pos)
86 offset_t curpos = url_ftell(pb);
87 url_fseek(pb, pos, SEEK_SET);
88 put_be32(pb, curpos - pos); /* rewrite size */
89 url_fseek(pb, curpos, SEEK_SET);
94 /* Chunk offset atom */
95 static int mov_write_stco_tag(ByteIOContext *pb, MOVTrack* track)
98 int mode64 = 0; // use 32 bit size variant if possible
99 offset_t pos = url_ftell(pb);
100 put_be32(pb, 0); /* size */
101 if (pos > UINT32_MAX) {
106 put_be32(pb, 0); /* version & flags */
107 put_be32(pb, track->entry); /* entry count */
108 for (i=0; i<track->entry; i++) {
109 int cl = i / MOV_INDEX_CLUSTER_SIZE;
110 int id = i % MOV_INDEX_CLUSTER_SIZE;
112 put_be64(pb, track->cluster[cl][id].pos);
114 put_be32(pb, track->cluster[cl][id].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 offset_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 int cl = i / MOV_INDEX_CLUSTER_SIZE;
132 int id = i % MOV_INDEX_CLUSTER_SIZE;
133 tst = track->cluster[cl][id].size/track->cluster[cl][id].entries;
134 if(oldtst != -1 && tst != oldtst) {
138 entries += track->cluster[cl][id].entries;
141 int sSize = track->cluster[0][0].size/track->cluster[0][0].entries;
142 put_be32(pb, sSize); // sample size
143 put_be32(pb, entries); // sample count
146 put_be32(pb, 0); // sample size
147 put_be32(pb, entries); // sample count
148 for (i=0; i<track->entry; i++) {
149 int cl = i / MOV_INDEX_CLUSTER_SIZE;
150 int id = i % MOV_INDEX_CLUSTER_SIZE;
151 for ( j=0; j<track->cluster[cl][id].entries; j++) {
152 put_be32(pb, track->cluster[cl][id].size /
153 track->cluster[cl][id].entries);
157 return updateSize (pb, pos);
160 /* Sample to chunk atom */
161 static int mov_write_stsc_tag(ByteIOContext *pb, MOVTrack* track)
163 int index = 0, oldval = -1, i;
164 offset_t entryPos, curpos;
166 offset_t pos = url_ftell(pb);
167 put_be32(pb, 0); /* size */
169 put_be32(pb, 0); // version & flags
170 entryPos = url_ftell(pb);
171 put_be32(pb, track->entry); // entry count
172 for (i=0; i<track->entry; i++) {
173 int cl = i / MOV_INDEX_CLUSTER_SIZE;
174 int id = i % MOV_INDEX_CLUSTER_SIZE;
175 if(oldval != track->cluster[cl][id].samplesInChunk)
177 put_be32(pb, i+1); // first chunk
178 put_be32(pb, track->cluster[cl][id].samplesInChunk); // samples per chunk
179 put_be32(pb, 0x1); // sample description index
180 oldval = track->cluster[cl][id].samplesInChunk;
184 curpos = url_ftell(pb);
185 url_fseek(pb, entryPos, SEEK_SET);
186 put_be32(pb, index); // rewrite size
187 url_fseek(pb, curpos, SEEK_SET);
189 return updateSize (pb, pos);
192 /* Sync sample atom */
193 static int mov_write_stss_tag(ByteIOContext *pb, MOVTrack* track)
195 offset_t curpos, entryPos;
197 offset_t pos = url_ftell(pb);
198 put_be32(pb, 0); // size
200 put_be32(pb, 0); // version & flags
201 entryPos = url_ftell(pb);
202 put_be32(pb, track->entry); // entry count
203 for (i=0; i<track->entry; i++) {
204 int cl = i / MOV_INDEX_CLUSTER_SIZE;
205 int id = i % MOV_INDEX_CLUSTER_SIZE;
206 if(track->cluster[cl][id].key_frame == 1) {
211 curpos = url_ftell(pb);
212 url_fseek(pb, entryPos, SEEK_SET);
213 put_be32(pb, index); // rewrite size
214 url_fseek(pb, curpos, SEEK_SET);
215 return updateSize (pb, pos);
218 static int mov_write_damr_tag(ByteIOContext *pb)
220 put_be32(pb, 0x11); /* size */
225 put_be16(pb, 0x80); /* Mode set (all modes for AMR_NB) */
226 put_be16(pb, 0xa); /* Mode change period (no restriction) */
227 //put_be16(pb, 0x81ff); /* Mode set (all modes for AMR_NB) */
228 //put_be16(pb, 1); /* Mode change period (no restriction) */
232 static int mov_write_wave_tag(ByteIOContext *pb, MOVTrack* track)
234 offset_t pos = url_ftell(pb);
236 put_be32(pb, 0); /* size */
239 put_be32(pb, 12); /* size */
243 put_be32(pb, 12); /* size */
247 mov_write_esds_tag(pb, track);
249 put_be32(pb, 12); /* size */
253 put_be32(pb, 8); /* size */
254 put_be32(pb, 0); /* null tag */
256 return updateSize (pb, pos);
259 static const CodecTag codec_movaudio_tags[] = {
260 { CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') },
261 { CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') },
262 { CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') },
263 { CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') },
264 { CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') },
265 { CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
266 { CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') },
267 { CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') },
268 { CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') },
269 { CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') },
270 { CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') },
271 { CODEC_ID_NONE, 0 },
274 static int mov_write_audio_tag(ByteIOContext *pb, MOVTrack* track)
276 offset_t pos = url_ftell(pb);
279 put_be32(pb, 0); /* size */
281 tag = track->enc->codec_tag;
283 tag = codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
284 // if no mac fcc found, try with Microsoft tags
287 int tmp = codec_get_tag(codec_wav_tags, track->enc->codec_id);
288 tag = MKTAG('m', 's', ((tmp >> 8) & 0xff), (tmp & 0xff));
290 put_le32(pb, tag); // store it byteswapped
292 put_be32(pb, 0); /* Reserved */
293 put_be16(pb, 0); /* Reserved */
294 put_be16(pb, 1); /* Data-reference index, XXX == 1 */
296 /* SoundDescription */
297 if(track->mode == MODE_MOV && track->enc->codec_id == CODEC_ID_AAC)
298 put_be16(pb, 1); /* Version 1 */
300 put_be16(pb, 0); /* Version 0 */
301 put_be16(pb, 0); /* Revision level */
302 put_be32(pb, 0); /* Reserved */
304 put_be16(pb, track->enc->channels); /* Number of channels */
305 /* TODO: Currently hard-coded to 16-bit, there doesn't seem
306 to be a good way to get number of bits of audio */
307 put_be16(pb, 0x10); /* Reserved */
309 if(track->enc->codec_id == CODEC_ID_AAC ||
310 track->enc->codec_id == CODEC_ID_MP3)
312 put_be16(pb, 0xfffe); /* compression ID (vbr)*/
316 put_be16(pb, 0); /* compression ID (= 0) */
318 put_be16(pb, 0); /* packet size (= 0) */
319 put_be16(pb, track->timescale); /* Time scale */
320 put_be16(pb, 0); /* Reserved */
322 if(track->mode == MODE_MOV && track->enc->codec_id == CODEC_ID_AAC)
324 /* SoundDescription V1 extended info */
325 put_be32(pb, track->enc->frame_size); /* Samples per packet */
326 put_be32(pb, 1536); /* Bytes per packet */
327 put_be32(pb, 2); /* Bytes per frame */
328 put_be32(pb, 2); /* Bytes per sample */
331 if(track->enc->codec_id == CODEC_ID_AAC) {
332 if( track->mode == MODE_MOV ) mov_write_wave_tag(pb, track);
333 else mov_write_esds_tag(pb, track);
335 if(track->enc->codec_id == CODEC_ID_AMR_NB)
336 mov_write_damr_tag(pb);
337 return updateSize (pb, pos);
340 static int mov_write_d263_tag(ByteIOContext *pb)
342 put_be32(pb, 0xf); /* size */
350 /* TODO: No idea about these values */
351 static int mov_write_svq3_tag(ByteIOContext *pb)
357 put_be32(pb, 0xe2c0211d);
358 put_be32(pb, 0xc0000000);
363 static uint8_t *avc_find_startcode( uint8_t *p, uint8_t *end )
365 uint8_t *a = p + 4 - ((int)p & 3);
367 for( end -= 3; p < a && p < end; p++ ) {
368 if( p[0] == 0 && p[1] == 0 && p[2] == 1 )
372 for( end -= 3; p < end; p += 4 ) {
373 uint32_t x = *(uint32_t*)p;
374 // if( (x - 0x01000100) & (~x) & 0x80008000 ) // little endian
375 // if( (x - 0x00010001) & (~x) & 0x00800080 ) // big endian
376 if( (x - 0x01010101) & (~x) & 0x80808080 ) { // generic
378 if( p[0] == 0 && p[2] == 1 )
380 if( p[2] == 0 && p[3] == 1 )
384 if( p[2] == 0 && p[4] == 1 )
386 if( p[4] == 0 && p[5] == 1 )
392 for( end += 3; p < end; p++ ) {
393 if( p[0] == 0 && p[1] == 0 && p[2] == 1 )
400 static void avc_parse_nal_units(uint8_t **buf, int *size)
404 uint8_t *end = p + *size;
405 uint8_t *nal_start, *nal_end;
407 url_open_dyn_buf(&pb);
408 nal_start = avc_find_startcode(p, end);
409 while (nal_start < end) {
410 while(!*(nal_start++));
411 nal_end = avc_find_startcode(nal_start, end);
412 put_be32(&pb, nal_end - nal_start);
413 put_buffer(&pb, nal_start, nal_end - nal_start);
417 *size = url_close_dyn_buf(&pb, buf);
420 static int mov_write_avcc_tag(ByteIOContext *pb, MOVTrack *track)
422 offset_t pos = url_ftell(pb);
426 if (track->vosLen > 6) {
427 /* check for h264 start code */
428 if (BE_32(track->vosData) == 0x00000001) {
430 uint32_t sps_size=0, pps_size=0;
431 uint8_t *sps=0, *pps=0;
433 avc_parse_nal_units(&track->vosData, &track->vosLen);
434 buf = track->vosData;
435 end = track->vosData + track->vosLen;
437 put_byte(pb, 1); /* version */
438 put_byte(pb, 77); /* profile */
439 put_byte(pb, 64); /* profile compat */
440 put_byte(pb, 30); /* level */
441 put_byte(pb, 0xff); /* 6 bits reserved (111111) + 2 bits nal size length - 1 (11) */
442 put_byte(pb, 0xe1); /* 3 bits reserved (111) + 5 bits number of sps (00001) */
444 /* look for sps and pps */
449 nal_type = buf[4] & 0x1f;
450 if (nal_type == 7) { /* SPS */
453 } else if (nal_type == 8) { /* PPS */
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', 'p', 'p');
611 tag = MKTAG('d', 'v', 'c', '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 &&
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 put_be32(pb, 32); /* size */
853 put_be32(pb, 0); /* Version & flags */
854 put_be32(pb, track->time); /* creation time */
855 put_be32(pb, track->time); /* modification time */
856 put_be32(pb, track->timescale); /* time scale (sample rate for audio) */
857 put_be32(pb, track->trackDuration); /* duration */
858 put_be16(pb, track->language); /* language */
859 put_be16(pb, 0); /* reserved (quality) */
863 static int mov_write_mdia_tag(ByteIOContext *pb, MOVTrack* track)
865 offset_t pos = url_ftell(pb);
866 put_be32(pb, 0); /* size */
868 mov_write_mdhd_tag(pb, track);
869 mov_write_hdlr_tag(pb, track);
870 mov_write_minf_tag(pb, track);
871 return updateSize(pb, pos);
874 static int mov_write_tkhd_tag(ByteIOContext *pb, MOVTrack* track)
876 put_be32(pb, 0x5c); /* size (always 0x5c) */
878 put_be32(pb, 0xf); /* version & flags (track enabled) */
879 put_be32(pb, track->time); /* creation time */
880 put_be32(pb, track->time); /* modification time */
881 put_be32(pb, track->trackID); /* track-id */
882 put_be32(pb, 0); /* reserved */
883 put_be32(pb, av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP)); /* duration */
885 put_be32(pb, 0); /* reserved */
886 put_be32(pb, 0); /* reserved */
887 put_be32(pb, 0x0); /* reserved (Layer & Alternate group) */
888 /* Volume, only for audio */
889 if(track->enc->codec_type == CODEC_TYPE_AUDIO)
890 put_be16(pb, 0x0100);
893 put_be16(pb, 0); /* reserved */
895 /* Matrix structure */
896 put_be32(pb, 0x00010000); /* reserved */
897 put_be32(pb, 0x0); /* reserved */
898 put_be32(pb, 0x0); /* reserved */
899 put_be32(pb, 0x0); /* reserved */
900 put_be32(pb, 0x00010000); /* reserved */
901 put_be32(pb, 0x0); /* reserved */
902 put_be32(pb, 0x0); /* reserved */
903 put_be32(pb, 0x0); /* reserved */
904 put_be32(pb, 0x40000000); /* reserved */
906 /* Track width and height, for visual only */
907 if(track->enc->codec_type == CODEC_TYPE_VIDEO) {
908 double sample_aspect_ratio = av_q2d(track->enc->sample_aspect_ratio);
909 if( !sample_aspect_ratio ) sample_aspect_ratio = 1;
910 put_be32(pb, sample_aspect_ratio * track->enc->width*0x10000);
911 put_be32(pb, track->enc->height*0x10000);
920 // This box seems important for the psp playback ... without it the movie seems to hang
921 static int mov_write_edts_tag(ByteIOContext *pb, MOVTrack *track)
923 put_be32(pb, 0x24); /* size */
925 put_be32(pb, 0x1c); /* size */
930 put_be32(pb, av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP)); /* duration ... doesn't seem to effect psp */
932 put_be32(pb, track->sampleDuration);
933 put_be32(pb, 0x00010000);
937 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
938 static int mov_write_uuid_tag_psp(ByteIOContext *pb, MOVTrack *mov)
940 put_be32(pb, 0x34); /* size ... reports as 28 in mp4box! */
943 put_be32(pb, 0x21d24fce);
944 put_be32(pb, 0xbb88695c);
945 put_be32(pb, 0xfac9c740);
946 put_be32(pb, 0x1c); // another size here!
948 put_be32(pb, 0x00010012);
950 put_be32(pb, 0x55c40000);
956 static int mov_write_trak_tag(ByteIOContext *pb, MOVTrack* track)
958 offset_t pos = url_ftell(pb);
959 put_be32(pb, 0); /* size */
961 mov_write_tkhd_tag(pb, track);
962 if (track->mode == MODE_PSP || track->hasBframes)
963 mov_write_edts_tag(pb, track); // PSP Movies require edts box
964 mov_write_mdia_tag(pb, track);
965 if (track->mode == MODE_PSP)
966 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
967 return updateSize(pb, pos);
971 /* TODO: Not sorted out, but not necessary either */
972 static int mov_write_iods_tag(ByteIOContext *pb, MOVContext *mov)
974 put_be32(pb, 0x15); /* size */
976 put_be32(pb, 0); /* version & flags */
977 put_be16(pb, 0x1007);
979 put_be16(pb, 0x4fff);
980 put_be16(pb, 0xfffe);
981 put_be16(pb, 0x01ff);
986 static int mov_write_mvhd_tag(ByteIOContext *pb, MOVContext *mov)
988 int maxTrackID = 1, i;
989 int64_t maxTrackLenTemp, maxTrackLen = 0;
991 put_be32(pb, 0x6c); /* size (always 0x6c) */
993 put_be32(pb, 0); /* version & flags */
994 put_be32(pb, mov->time); /* creation time */
995 put_be32(pb, mov->time); /* modification time */
996 put_be32(pb, mov->timescale); /* timescale */
997 for (i=0; i<MAX_STREAMS; i++) {
998 if(mov->tracks[i].entry > 0) {
999 maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration, globalTimescale, mov->tracks[i].timescale, AV_ROUND_UP);
1000 if(maxTrackLen < maxTrackLenTemp)
1001 maxTrackLen = maxTrackLenTemp;
1002 if(maxTrackID < mov->tracks[i].trackID)
1003 maxTrackID = mov->tracks[i].trackID;
1006 put_be32(pb, maxTrackLen); /* duration of longest track */
1008 put_be32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1009 put_be16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1010 put_be16(pb, 0); /* reserved */
1011 put_be32(pb, 0); /* reserved */
1012 put_be32(pb, 0); /* reserved */
1014 /* Matrix structure */
1015 put_be32(pb, 0x00010000); /* reserved */
1016 put_be32(pb, 0x0); /* reserved */
1017 put_be32(pb, 0x0); /* reserved */
1018 put_be32(pb, 0x0); /* reserved */
1019 put_be32(pb, 0x00010000); /* reserved */
1020 put_be32(pb, 0x0); /* reserved */
1021 put_be32(pb, 0x0); /* reserved */
1022 put_be32(pb, 0x0); /* reserved */
1023 put_be32(pb, 0x40000000); /* reserved */
1025 put_be32(pb, 0); /* reserved (preview time) */
1026 put_be32(pb, 0); /* reserved (preview duration) */
1027 put_be32(pb, 0); /* reserved (poster time) */
1028 put_be32(pb, 0); /* reserved (selection time) */
1029 put_be32(pb, 0); /* reserved (selection duration) */
1030 put_be32(pb, 0); /* reserved (current time) */
1031 put_be32(pb, maxTrackID+1); /* Next track id */
1035 static int mov_write_itunes_hdlr_tag(ByteIOContext *pb, MOVContext* mov,
1038 offset_t pos = url_ftell(pb);
1039 put_be32(pb, 0); /* size */
1040 put_tag(pb, "hdlr");
1043 put_tag(pb, "mdir");
1044 put_tag(pb, "appl");
1048 return updateSize(pb, pos);
1051 /* helper function to write a data tag with the specified string as data */
1052 static int mov_write_string_data_tag(ByteIOContext *pb, MOVContext* mov,
1053 AVFormatContext *s, const char *data)
1055 offset_t pos = url_ftell(pb);
1056 put_be32(pb, 0); /* size */
1057 put_tag(pb, "data");
1060 put_buffer(pb, data, strlen(data));
1061 return updateSize(pb, pos);
1064 /* iTunes name of the song/movie */
1065 static int mov_write_nam_tag(ByteIOContext *pb, MOVContext* mov,
1069 if ( s->title[0] ) {
1070 offset_t pos = url_ftell(pb);
1071 put_be32(pb, 0); /* size */
1072 put_tag(pb, "\251nam");
1073 mov_write_string_data_tag(pb, mov, s, s->title);
1074 size = updateSize(pb, pos);
1079 /* iTunes name of the artist/performer */
1080 static int mov_write_ART_tag(ByteIOContext *pb, MOVContext* mov,
1084 if ( s->author[0] ) {
1085 offset_t pos = url_ftell(pb);
1086 put_be32(pb, 0); /* size */
1087 put_tag(pb, "\251ART");
1088 // we use the author here as this is the only thing that we have...
1089 mov_write_string_data_tag(pb, mov, s, s->author);
1090 size = updateSize(pb, pos);
1095 /* iTunes name of the writer */
1096 static int mov_write_wrt_tag(ByteIOContext *pb, MOVContext* mov,
1100 if ( s->author[0] ) {
1101 offset_t pos = url_ftell(pb);
1102 put_be32(pb, 0); /* size */
1103 put_tag(pb, "\251wrt");
1104 mov_write_string_data_tag(pb, mov, s, s->author);
1105 size = updateSize(pb, pos);
1110 /* iTunes name of the album */
1111 static int mov_write_alb_tag(ByteIOContext *pb, MOVContext* mov,
1115 if ( s->album[0] ) {
1116 offset_t pos = url_ftell(pb);
1117 put_be32(pb, 0); /* size */
1118 put_tag(pb, "\251alb");
1119 mov_write_string_data_tag(pb, mov, s, s->album);
1120 size = updateSize(pb, pos);
1126 static int mov_write_day_tag(ByteIOContext *pb, MOVContext* mov,
1132 offset_t pos = url_ftell(pb);
1133 put_be32(pb, 0); /* size */
1134 put_tag(pb, "\251day");
1135 snprintf(year, 5, "%04d", s->year);
1136 mov_write_string_data_tag(pb, mov, s, year);
1137 size = updateSize(pb, pos);
1142 /* iTunes tool used to create the file */
1143 static int mov_write_too_tag(ByteIOContext *pb, MOVContext* mov,
1146 offset_t pos = url_ftell(pb);
1147 put_be32(pb, 0); /* size */
1148 put_tag(pb, "\251too");
1149 mov_write_string_data_tag(pb, mov, s, LIBAVFORMAT_IDENT);
1150 return updateSize(pb, pos);
1153 /* iTunes comment */
1154 static int mov_write_cmt_tag(ByteIOContext *pb, MOVContext* mov,
1158 if ( s->comment[0] ) {
1159 offset_t pos = url_ftell(pb);
1160 put_be32(pb, 0); /* size */
1161 put_tag(pb, "\251cmt");
1162 mov_write_string_data_tag(pb, mov, s, s->comment);
1163 size = updateSize(pb, pos);
1168 /* iTunes custom genre */
1169 static int mov_write_gen_tag(ByteIOContext *pb, MOVContext* mov,
1173 if ( s->genre[0] ) {
1174 offset_t pos = url_ftell(pb);
1175 put_be32(pb, 0); /* size */
1176 put_tag(pb, "\251gen");
1177 mov_write_string_data_tag(pb, mov, s, s->genre);
1178 size = updateSize(pb, pos);
1183 /* iTunes track number */
1184 static int mov_write_trkn_tag(ByteIOContext *pb, MOVContext* mov,
1189 offset_t pos = url_ftell(pb);
1190 put_be32(pb, 0); /* size */
1191 put_tag(pb, "trkn");
1193 offset_t pos = url_ftell(pb);
1194 put_be32(pb, 0); /* size */
1195 put_tag(pb, "data");
1196 put_be32(pb, 0); // 8 bytes empty
1198 put_be16(pb, 0); // empty
1199 put_be16(pb, s->track); // track number
1200 put_be16(pb, 0); // total track number
1201 put_be16(pb, 0); // empty
1202 updateSize(pb, pos);
1204 size = updateSize(pb, pos);
1209 /* iTunes meta data list */
1210 static int mov_write_ilst_tag(ByteIOContext *pb, MOVContext* mov,
1213 offset_t pos = url_ftell(pb);
1214 put_be32(pb, 0); /* size */
1215 put_tag(pb, "ilst");
1216 mov_write_nam_tag(pb, mov, s);
1217 mov_write_ART_tag(pb, mov, s);
1218 mov_write_wrt_tag(pb, mov, s);
1219 mov_write_alb_tag(pb, mov, s);
1220 mov_write_day_tag(pb, mov, s);
1221 mov_write_too_tag(pb, mov, s);
1222 mov_write_cmt_tag(pb, mov, s);
1223 mov_write_gen_tag(pb, mov, s);
1224 mov_write_trkn_tag(pb, mov, s);
1225 return updateSize(pb, pos);
1228 /* iTunes meta data tag */
1229 static int mov_write_meta_tag(ByteIOContext *pb, MOVContext* mov,
1234 // only save meta tag if required
1235 if ( s->title[0] || s->author[0] || s->album[0] || s->year ||
1236 s->comment[0] || s->genre[0] || s->track ) {
1237 offset_t pos = url_ftell(pb);
1238 put_be32(pb, 0); /* size */
1239 put_tag(pb, "meta");
1241 mov_write_itunes_hdlr_tag(pb, mov, s);
1242 mov_write_ilst_tag(pb, mov, s);
1243 size = updateSize(pb, pos);
1248 static int mov_write_udta_tag(ByteIOContext *pb, MOVContext* mov,
1251 offset_t pos = url_ftell(pb);
1254 put_be32(pb, 0); /* size */
1255 put_tag(pb, "udta");
1257 /* iTunes meta data */
1258 mov_write_meta_tag(pb, mov, s);
1261 for (i=0; i<MAX_STREAMS; i++) {
1262 if(mov->tracks[i].entry <= 0) continue;
1263 if (mov->tracks[i].enc->codec_id == CODEC_ID_AAC ||
1264 mov->tracks[i].enc->codec_id == CODEC_ID_MPEG4) {
1265 offset_t pos = url_ftell(pb);
1266 put_be32(pb, 0); /* size */
1267 put_tag(pb, "\251req");
1268 put_be16(pb, sizeof("QuickTime 6.0 or greater") - 1);
1270 put_buffer(pb, "QuickTime 6.0 or greater",
1271 sizeof("QuickTime 6.0 or greater") - 1);
1272 updateSize(pb, pos);
1278 if(mov->tracks[0].enc && !(mov->tracks[0].enc->flags & CODEC_FLAG_BITEXACT))
1280 offset_t pos = url_ftell(pb);
1281 put_be32(pb, 0); /* size */
1282 put_tag(pb, "\251enc");
1283 put_be16(pb, sizeof(LIBAVFORMAT_IDENT) - 1); /* string length */
1285 put_buffer(pb, LIBAVFORMAT_IDENT, sizeof(LIBAVFORMAT_IDENT) - 1);
1286 updateSize(pb, pos);
1291 offset_t pos = url_ftell(pb);
1292 put_be32(pb, 0); /* size */
1293 put_tag(pb, "\251nam");
1294 put_be16(pb, strlen(s->title)); /* string length */
1296 put_buffer(pb, s->title, strlen(s->title));
1297 updateSize(pb, pos);
1302 offset_t pos = url_ftell(pb);
1303 put_be32(pb, 0); /* size */
1304 put_tag(pb, /*"\251aut"*/ "\251day" );
1305 put_be16(pb, strlen(s->author)); /* string length */
1307 put_buffer(pb, s->author, strlen(s->author));
1308 updateSize(pb, pos);
1313 offset_t pos = url_ftell(pb);
1314 put_be32(pb, 0); /* size */
1315 put_tag(pb, "\251des");
1316 put_be16(pb, strlen(s->comment)); /* string length */
1318 put_buffer(pb, s->comment, strlen(s->comment));
1319 updateSize(pb, pos);
1322 return updateSize(pb, pos);
1326 static size_t ascii_to_wc (ByteIOContext *pb, char *b, size_t n)
1330 for (i = 0; i < n - 1; i++) {
1332 if (! (0x20 <= c && c <= 0x7f ))
1340 static uint16_t language_code (char *str)
1342 return ((((str[0]-'a') & 0x1F)<<10) + (((str[1]-'a') & 0x1F)<<5) + ((str[2]-'a') & 0x1F));
1345 static int mov_write_uuidusmt_tag (ByteIOContext *pb, AVFormatContext *s)
1348 offset_t pos, curpos;
1352 pos = url_ftell(pb);
1353 put_be32(pb, 0); /* size placeholder*/
1354 put_tag(pb, "uuid");
1355 put_tag(pb, "USMT");
1356 put_be32(pb, 0x21d24fce ); /* 96 bit UUID */
1357 put_be32(pb, 0xbb88695c );
1358 put_be32(pb, 0xfac9c740 );
1361 put_be32(pb, 0); /* size placeholder*/
1362 put_tag(pb, "MTDT");
1367 len = strlen(s->title)+1;
1368 put_be16(pb, len*2+10); /* size */
1369 put_be32(pb, 0x01); /* type */
1370 put_be16(pb, language_code("und")); /* language */
1371 put_be16(pb, 0x01); /* ? */
1372 ascii_to_wc (pb, s->title, len);
1376 curpos = url_ftell(pb);
1377 url_fseek(pb, pos, SEEK_SET);
1379 url_fseek(pb, pos+24, SEEK_SET);
1380 put_be32(pb, size-24);
1381 url_fseek(pb, curpos, SEEK_SET);
1387 static int mov_write_moov_tag(ByteIOContext *pb, MOVContext *mov,
1391 offset_t pos = url_ftell(pb);
1392 put_be32(pb, 0); /* size placeholder*/
1393 put_tag(pb, "moov");
1394 mov->timescale = globalTimescale;
1396 for (i=0; i<MAX_STREAMS; i++) {
1397 if(mov->tracks[i].entry <= 0) continue;
1399 if(mov->tracks[i].enc->codec_type == CODEC_TYPE_VIDEO) {
1400 mov->tracks[i].timescale = mov->tracks[i].enc->time_base.den;
1401 mov->tracks[i].sampleDuration = mov->tracks[i].enc->time_base.num;
1403 else if(mov->tracks[i].enc->codec_type == CODEC_TYPE_AUDIO) {
1404 /* If AMR, track timescale = 8000, AMR_WB = 16000 */
1405 if(mov->tracks[i].enc->codec_id == CODEC_ID_AMR_NB) {
1406 mov->tracks[i].sampleDuration = 160; // Bytes per chunk
1407 mov->tracks[i].timescale = 8000;
1410 mov->tracks[i].timescale = mov->tracks[i].enc->sample_rate;
1411 mov->tracks[i].sampleDuration = mov->tracks[i].enc->frame_size;
1415 mov->tracks[i].trackDuration =
1416 mov->tracks[i].sampleCount * mov->tracks[i].sampleDuration;
1417 mov->tracks[i].time = mov->time;
1418 mov->tracks[i].trackID = i+1;
1421 mov_write_mvhd_tag(pb, mov);
1422 //mov_write_iods_tag(pb, mov);
1423 for (i=0; i<MAX_STREAMS; i++) {
1424 if(mov->tracks[i].entry > 0) {
1425 mov_write_trak_tag(pb, &(mov->tracks[i]));
1429 if (mov->mode == MODE_PSP)
1430 mov_write_uuidusmt_tag(pb, s);
1432 mov_write_udta_tag(pb, mov, s);
1434 return updateSize(pb, pos);
1437 int mov_write_mdat_tag(ByteIOContext *pb, MOVContext* mov)
1439 put_be32(pb, 8); // placeholder for extended size field (64 bit)
1440 put_tag(pb, "wide");
1442 mov->mdat_pos = url_ftell(pb);
1443 put_be32(pb, 0); /* size placeholder*/
1444 put_tag(pb, "mdat");
1448 /* TODO: This needs to be more general */
1449 static void mov_write_ftyp_tag (ByteIOContext *pb, AVFormatContext *s)
1451 MOVContext *mov = s->priv_data;
1453 put_be32(pb, 0x14 ); /* size */
1454 put_tag(pb, "ftyp");
1456 if ( mov->mode == MODE_3GP )
1457 put_tag(pb, "3gp4");
1458 else if ( mov->mode == MODE_3G2 )
1459 put_tag(pb, "3g2a");
1460 else if ( mov->mode == MODE_PSP )
1461 put_tag(pb, "MSNV");
1462 else if ( mov->mode == MODE_MP4 )
1463 put_tag(pb, "isom");
1467 put_be32(pb, 0x200 );
1469 if ( mov->mode == MODE_3GP )
1470 put_tag(pb, "3gp4");
1471 else if ( mov->mode == MODE_3G2 )
1472 put_tag(pb, "3g2a");
1473 else if ( mov->mode == MODE_PSP )
1474 put_tag(pb, "MSNV");
1475 else if ( mov->mode == MODE_MP4 )
1476 put_tag(pb, "mp41");
1481 static void mov_write_uuidprof_tag(ByteIOContext *pb, AVFormatContext *s)
1483 AVCodecContext *VideoCodec = s->streams[0]->codec;
1484 AVCodecContext *AudioCodec = s->streams[1]->codec;
1485 int AudioRate = AudioCodec->sample_rate;
1486 int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num);
1488 put_be32(pb, 0x94 ); /* size */
1489 put_tag(pb, "uuid");
1490 put_tag(pb, "PROF");
1492 put_be32(pb, 0x21d24fce ); /* 96 bit UUID */
1493 put_be32(pb, 0xbb88695c );
1494 put_be32(pb, 0xfac9c740 );
1496 put_be32(pb, 0x0 ); /* ? */
1497 put_be32(pb, 0x3 ); /* 3 sections ? */
1499 put_be32(pb, 0x14 ); /* size */
1500 put_tag(pb, "FPRF");
1501 put_be32(pb, 0x0 ); /* ? */
1502 put_be32(pb, 0x0 ); /* ? */
1503 put_be32(pb, 0x0 ); /* ? */
1505 put_be32(pb, 0x2c ); /* size */
1506 put_tag(pb, "APRF"); /* audio */
1508 put_be32(pb, 0x2 ); /* TrackID */
1509 put_tag(pb, "mp4a");
1510 put_be32(pb, 0x20f );
1512 put_be32(pb, AudioCodec->bit_rate / 1000);
1513 put_be32(pb, AudioCodec->bit_rate / 1000);
1514 put_be32(pb, AudioRate );
1515 put_be32(pb, AudioCodec->channels );
1517 put_be32(pb, 0x34 ); /* size */
1518 put_tag(pb, "VPRF"); /* video */
1520 put_be32(pb, 0x1 ); /* TrackID */
1521 put_tag(pb, "mp4v");
1522 put_be32(pb, 0x103 );
1524 put_be32(pb, VideoCodec->bit_rate / 1000);
1525 put_be32(pb, VideoCodec->bit_rate / 1000);
1526 put_be32(pb, FrameRate);
1527 put_be32(pb, FrameRate);
1528 put_be16(pb, VideoCodec->width);
1529 put_be16(pb, VideoCodec->height);
1530 put_be32(pb, 0x010001); /* ? */
1533 static int mov_write_header(AVFormatContext *s)
1535 ByteIOContext *pb = &s->pb;
1536 MOVContext *mov = s->priv_data;
1539 /* Default mode == MP4 */
1540 mov->mode = MODE_MP4;
1542 if (s->oformat != NULL) {
1543 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
1544 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3G2;
1545 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
1546 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
1548 mov_write_ftyp_tag(pb,s);
1549 if ( mov->mode == MODE_PSP ) {
1550 if ( s->nb_streams != 2 ) {
1551 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
1554 mov_write_uuidprof_tag(pb,s);
1558 for(i=0; i<s->nb_streams; i++){
1559 AVCodecContext *c= s->streams[i]->codec;
1561 if(c->codec_type == CODEC_TYPE_VIDEO){
1562 av_set_pts_info(s->streams[i], 64, 1, c->time_base.den);
1563 if (!codec_get_tag(codec_movvideo_tags, c->codec_id)){
1564 if(!codec_get_tag(codec_bmp_tags, c->codec_id))
1567 av_log(s, AV_LOG_INFO, "Warning, using MS style video codec tag, the file may be unplayable!\n");
1569 }else if(c->codec_type == CODEC_TYPE_AUDIO){
1570 av_set_pts_info(s->streams[i], 64, 1, c->sample_rate);
1571 if (!codec_get_tag(codec_movaudio_tags, c->codec_id)){
1572 if(!codec_get_tag(codec_wav_tags, c->codec_id))
1575 av_log(s, AV_LOG_INFO, "Warning, using MS style audio codec tag, the file may be unplayable!\n");
1578 mov->tracks[i].language = ff_mov_iso639_to_lang(s->streams[i]->language, mov->mode != MODE_MOV);
1581 for (i=0; i<MAX_STREAMS; i++) {
1582 mov->tracks[i].mode = mov->mode;
1585 put_flush_packet(pb);
1590 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
1592 MOVContext *mov = s->priv_data;
1593 ByteIOContext *pb = &s->pb;
1594 AVCodecContext *enc = s->streams[pkt->stream_index]->codec;
1595 MOVTrack* trk = &mov->tracks[pkt->stream_index];
1597 unsigned int samplesInChunk = 0;
1598 int size= pkt->size;
1600 if (url_is_streamed(&s->pb)) return 0; /* Can't handle that */
1601 if (!size) return 0; /* Discard 0 sized packets */
1603 if (enc->codec_type == CODEC_TYPE_VIDEO ) {
1606 else if (enc->codec_type == CODEC_TYPE_AUDIO ) {
1607 if( enc->codec_id == CODEC_ID_AMR_NB) {
1608 /* We must find out how many AMR blocks there are in one packet */
1609 static uint16_t packed_size[16] =
1610 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 0};
1613 while (len < size && samplesInChunk < 100) {
1614 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
1618 else if(enc->codec_id == CODEC_ID_PCM_ALAW) {
1619 samplesInChunk = size/enc->channels;
1621 else if(enc->codec_id == CODEC_ID_PCM_S16BE || enc->codec_id == CODEC_ID_PCM_S16LE) {
1622 samplesInChunk = size/(2*enc->channels);
1629 if ((enc->codec_id == CODEC_ID_MPEG4 || enc->codec_id == CODEC_ID_AAC)
1630 && trk->vosLen == 0) {
1631 // assert(enc->extradata_size);
1633 trk->vosLen = enc->extradata_size;
1634 trk->vosData = av_malloc(trk->vosLen);
1635 memcpy(trk->vosData, enc->extradata, trk->vosLen);
1638 if (enc->codec_id == CODEC_ID_H264) {
1639 if (trk->vosLen == 0) {
1640 /* copy extradata */
1641 trk->vosLen = enc->extradata_size;
1642 trk->vosData = av_malloc(trk->vosLen);
1643 memcpy(trk->vosData, enc->extradata, trk->vosLen);
1645 if (*(uint8_t *)trk->vosData != 1) {
1646 /* from x264 or from bytestream h264 */
1647 /* nal reformating needed */
1648 avc_parse_nal_units(&pkt->data, &pkt->size);
1654 cl = trk->entry / MOV_INDEX_CLUSTER_SIZE;
1655 id = trk->entry % MOV_INDEX_CLUSTER_SIZE;
1657 if (trk->ents_allocated <= trk->entry) {
1658 trk->cluster = av_realloc(trk->cluster, (cl+1)*sizeof(void*));
1661 trk->cluster[cl] = av_malloc(MOV_INDEX_CLUSTER_SIZE*sizeof(MOVIentry));
1662 if (!trk->cluster[cl])
1664 trk->ents_allocated += MOV_INDEX_CLUSTER_SIZE;
1666 if (mov->mdat_written == 0) {
1667 mov_write_mdat_tag(pb, mov);
1668 mov->mdat_written = 1;
1669 mov->time = s->timestamp + 0x7C25B080; //1970 based -> 1904 based
1672 trk->cluster[cl][id].pos = url_ftell(pb);
1673 trk->cluster[cl][id].samplesInChunk = samplesInChunk;
1674 trk->cluster[cl][id].size = size;
1675 trk->cluster[cl][id].entries = samplesInChunk;
1676 if(enc->codec_type == CODEC_TYPE_VIDEO) {
1677 if (pkt->dts != pkt->pts)
1678 trk->hasBframes = 1;
1679 trk->cluster[cl][id].cts = pkt->pts - pkt->dts;
1680 trk->cluster[cl][id].key_frame = !!(pkt->flags & PKT_FLAG_KEY);
1681 if(trk->cluster[cl][id].key_frame)
1682 trk->hasKeyframes = 1;
1686 trk->sampleCount += samplesInChunk;
1687 trk->mdat_size += size;
1689 put_buffer(pb, pkt->data, size);
1691 put_flush_packet(pb);
1695 static int mov_write_trailer(AVFormatContext *s)
1697 MOVContext *mov = s->priv_data;
1698 ByteIOContext *pb = &s->pb;
1703 offset_t moov_pos = url_ftell(pb);
1705 /* Write size of mdat tag */
1706 for (i=0, j=0; i<MAX_STREAMS; i++) {
1707 if(mov->tracks[i].ents_allocated > 0) {
1708 j += mov->tracks[i].mdat_size;
1711 if (j+8 <= UINT32_MAX) {
1712 url_fseek(pb, mov->mdat_pos, SEEK_SET);
1715 /* overwrite 'wide' placeholder atom */
1716 url_fseek(pb, mov->mdat_pos - 8, SEEK_SET);
1717 put_be32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */
1718 put_tag(pb, "mdat");
1721 url_fseek(pb, moov_pos, SEEK_SET);
1723 mov_write_moov_tag(pb, mov, s);
1725 for (i=0; i<MAX_STREAMS; i++) {
1726 for (j=0; j<mov->tracks[i].ents_allocated/MOV_INDEX_CLUSTER_SIZE; j++) {
1727 av_free(mov->tracks[i].cluster[j]);
1729 av_free(mov->tracks[i].cluster);
1730 if( mov->tracks[i].vosLen ) av_free( mov->tracks[i].vosData );
1732 mov->tracks[i].cluster = NULL;
1733 mov->tracks[i].ents_allocated = mov->tracks[i].entry = 0;
1736 put_flush_packet(pb);
1741 static AVOutputFormat mov_oformat = {
1752 .flags = AVFMT_GLOBALHEADER,
1755 static AVOutputFormat _3gp_oformat = {
1766 .flags = AVFMT_GLOBALHEADER,
1769 static AVOutputFormat mp4_oformat = {
1780 .flags = AVFMT_GLOBALHEADER,
1783 static AVOutputFormat psp_oformat = {
1794 .flags = AVFMT_GLOBALHEADER,
1797 static AVOutputFormat _3g2_oformat = {
1808 .flags = AVFMT_GLOBALHEADER,
1811 int movenc_init(void)
1813 av_register_output_format(&mov_oformat);
1814 av_register_output_format(&_3gp_oformat);
1815 av_register_output_format(&mp4_oformat);
1816 av_register_output_format(&psp_oformat);
1817 av_register_output_format(&_3g2_oformat);