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 /* useless atom needed by mplayer, ipod, not needed by quicktime */
327 put_be32(pb, 12); /* size */
330 mov_write_esds_tag(pb, track);
331 } else if (track->enc->codec_id == CODEC_ID_PCM_S24LE ||
332 track->enc->codec_id == CODEC_ID_PCM_S32LE) {
333 mov_write_enda_tag(pb);
334 } else if (track->enc->codec_id == CODEC_ID_AMR_NB) {
335 mov_write_samr_tag(pb);
338 put_be32(pb, 8); /* size */
339 put_be32(pb, 0); /* null tag */
341 return updateSize (pb, pos);
344 static const CodecTag codec_movaudio_tags[] = {
345 { CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') },
346 { CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') },
347 { CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') },
348 { CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') },
349 { CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') },
350 { CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
351 { CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') },
352 { CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') },
353 { CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') },
354 { CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') },
355 { CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
356 { CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
357 { CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
358 { CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') },
359 { CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') },
360 { CODEC_ID_NONE, 0 },
363 static int mov_write_audio_tag(ByteIOContext *pb, MOVTrack* track)
365 offset_t pos = url_ftell(pb);
366 int version = track->mode == MODE_MOV &&
367 (track->enc->codec_id == CODEC_ID_AAC ||
368 track->enc->codec_id == CODEC_ID_MP3 ||
369 track->enc->codec_id == CODEC_ID_PCM_S32LE ||
370 track->enc->codec_id == CODEC_ID_PCM_S24LE);
372 put_be32(pb, 0); /* size */
373 put_le32(pb, track->tag); // store it byteswapped
374 put_be32(pb, 0); /* Reserved */
375 put_be16(pb, 0); /* Reserved */
376 put_be16(pb, 1); /* Data-reference index, XXX == 1 */
378 /* SoundDescription */
379 put_be16(pb, version); /* Version */
380 put_be16(pb, 0); /* Revision level */
381 put_be32(pb, 0); /* Reserved */
383 put_be16(pb, track->enc->channels); /* Number of channels */
384 /* TODO: Currently hard-coded to 16-bit, there doesn't seem
385 to be a good way to get number of bits of audio */
386 put_be16(pb, 0x10); /* Reserved */
388 if(track->enc->codec_id == CODEC_ID_AAC ||
389 track->enc->codec_id == CODEC_ID_MP3 ||
390 track->enc->codec_id == CODEC_ID_AMR_NB) {
391 put_be16(pb, 0xfffe); /* compression ID (vbr)*/
393 put_be16(pb, 0); /* compression ID (= 0) */
395 put_be16(pb, 0); /* packet size (= 0) */
396 put_be16(pb, track->timescale); /* Time scale */
397 put_be16(pb, 0); /* Reserved */
400 /* SoundDescription V1 extended info */
401 put_be32(pb, track->enc->frame_size); /* Samples per packet */
402 /* Parameters tested on quicktime 6.5, 7 */
403 put_be32(pb, 1); /* Bytes per packet */
404 /* FIXME not correct */
405 /* 8 is the min value needed for in32 to work with quicktime 6.5 */
406 /* Value ignored by other codecs currently supported (others might need it) */
407 put_be32(pb, 8); /* Bytes per frame */
408 put_be32(pb, 2); /* Bytes per sample */
411 if(track->mode == MODE_MOV &&
412 (track->enc->codec_id == CODEC_ID_AAC ||
413 track->enc->codec_id == CODEC_ID_AMR_NB ||
414 track->enc->codec_id == CODEC_ID_PCM_S24LE ||
415 track->enc->codec_id == CODEC_ID_PCM_S32LE))
416 mov_write_wave_tag(pb, track);
417 else if(track->enc->codec_id == CODEC_ID_AAC)
418 mov_write_esds_tag(pb, track);
419 else if(track->enc->codec_id == CODEC_ID_AMR_NB)
420 mov_write_damr_tag(pb);
422 return updateSize (pb, pos);
425 static int mov_write_d263_tag(ByteIOContext *pb)
427 put_be32(pb, 0xf); /* size */
435 /* TODO: No idea about these values */
436 static int mov_write_svq3_tag(ByteIOContext *pb)
442 put_be32(pb, 0xe2c0211d);
443 put_be32(pb, 0xc0000000);
448 static uint8_t *avc_find_startcode( uint8_t *p, uint8_t *end )
450 uint8_t *a = p + 4 - ((int)p & 3);
452 for( end -= 3; p < a && p < end; p++ ) {
453 if( p[0] == 0 && p[1] == 0 && p[2] == 1 )
457 for( end -= 3; p < end; p += 4 ) {
458 uint32_t x = *(uint32_t*)p;
459 // if( (x - 0x01000100) & (~x) & 0x80008000 ) // little endian
460 // if( (x - 0x00010001) & (~x) & 0x00800080 ) // big endian
461 if( (x - 0x01010101) & (~x) & 0x80808080 ) { // generic
463 if( p[0] == 0 && p[2] == 1 )
465 if( p[2] == 0 && p[3] == 1 )
469 if( p[2] == 0 && p[4] == 1 )
471 if( p[4] == 0 && p[5] == 1 )
477 for( end += 3; p < end; p++ ) {
478 if( p[0] == 0 && p[1] == 0 && p[2] == 1 )
485 static void avc_parse_nal_units(uint8_t **buf, int *size)
489 uint8_t *end = p + *size;
490 uint8_t *nal_start, *nal_end;
492 url_open_dyn_buf(&pb);
493 nal_start = avc_find_startcode(p, end);
494 while (nal_start < end) {
495 while(!*(nal_start++));
496 nal_end = avc_find_startcode(nal_start, end);
497 put_be32(&pb, nal_end - nal_start);
498 put_buffer(&pb, nal_start, nal_end - nal_start);
502 *size = url_close_dyn_buf(&pb, buf);
505 static int mov_write_avcc_tag(ByteIOContext *pb, MOVTrack *track)
507 offset_t pos = url_ftell(pb);
511 if (track->vosLen > 6) {
512 /* check for h264 start code */
513 if (BE_32(track->vosData) == 0x00000001) {
515 uint32_t sps_size=0, pps_size=0;
516 uint8_t *sps=0, *pps=0;
518 avc_parse_nal_units(&track->vosData, &track->vosLen);
519 buf = track->vosData;
520 end = track->vosData + track->vosLen;
522 /* look for sps and pps */
527 nal_type = buf[4] & 0x1f;
528 if (nal_type == 7) { /* SPS */
531 } else if (nal_type == 8) { /* PPS */
540 put_byte(pb, 1); /* version */
541 put_byte(pb, sps[1]); /* profile */
542 put_byte(pb, sps[2]); /* profile compat */
543 put_byte(pb, sps[3]); /* level */
544 put_byte(pb, 0xff); /* 6 bits reserved (111111) + 2 bits nal size length - 1 (11) */
545 put_byte(pb, 0xe1); /* 3 bits reserved (111) + 5 bits number of sps (00001) */
547 put_be16(pb, sps_size);
548 put_buffer(pb, sps, sps_size);
549 put_byte(pb, 1); /* number of pps */
550 put_be16(pb, pps_size);
551 put_buffer(pb, pps, pps_size);
553 put_buffer(pb, track->vosData, track->vosLen);
556 return updateSize(pb, pos);
559 static const CodecTag codec_movvideo_tags[] = {
560 { CODEC_ID_SVQ1, MKTAG('S', 'V', 'Q', '1') },
561 { CODEC_ID_SVQ3, MKTAG('S', 'V', 'Q', '3') },
562 { CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
563 { CODEC_ID_H263, MKTAG('s', '2', '6', '3') },
564 { CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') },
565 /* special handling in mov_find_video_codec_tag */
566 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') }, /* DV NTSC */
567 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 'p') }, /* DV PAL */
568 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'p', 'p') }, /* DVCPRO PAL */
569 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'n') }, /* DVCPRO50 NTSC */
570 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'p') }, /* DVCPRO50 PAL */
571 { CODEC_ID_NONE, 0 },
574 static int mov_find_video_codec_tag(AVFormatContext *s, MOVTrack *track)
576 int tag = track->enc->codec_tag;
578 if (track->enc->codec_id == CODEC_ID_DVVIDEO) {
579 if (track->enc->height == 480) { /* NTSC */
580 if (track->enc->pix_fmt == PIX_FMT_YUV422P)
581 tag = MKTAG('d', 'v', '5', 'n');
583 tag = MKTAG('d', 'v', 'c', ' ');
584 } else { /* assume PAL */
585 if (track->enc->pix_fmt == PIX_FMT_YUV422P)
586 tag = MKTAG('d', 'v', '5', 'p');
587 else if (track->enc->pix_fmt == PIX_FMT_YUV420P)
588 tag = MKTAG('d', 'v', 'c', 'p');
590 tag = MKTAG('d', 'v', 'p', 'p');
593 tag = codec_get_tag(codec_movvideo_tags, track->enc->codec_id);
596 // if no mac fcc found, try with Microsoft tags
598 tag = codec_get_tag(codec_bmp_tags, track->enc->codec_id);
600 av_log(s, AV_LOG_INFO, "Warning, using MS style video codec tag, the file may be unplayable!\n");
607 static int mov_find_audio_codec_tag(AVFormatContext *s, MOVTrack *track)
609 int tag = track->enc->codec_tag;
611 tag = codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
613 // if no mac fcc found, try with Microsoft tags
615 int ms_tag = codec_get_tag(codec_wav_tags, track->enc->codec_id);
617 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
618 av_log(s, AV_LOG_INFO, "Warning, using MS style audio codec tag, the file may be unplayable!\n");
625 static int mov_write_video_tag(ByteIOContext *pb, MOVTrack* track)
627 offset_t pos = url_ftell(pb);
628 char compressor_name[32];
630 put_be32(pb, 0); /* size */
631 put_le32(pb, track->tag); // store it byteswapped
632 put_be32(pb, 0); /* Reserved */
633 put_be16(pb, 0); /* Reserved */
634 put_be16(pb, 1); /* Data-reference index */
636 put_be16(pb, 0); /* Codec stream version */
637 put_be16(pb, 0); /* Codec stream revision (=0) */
638 put_tag(pb, "FFMP"); /* Vendor */
639 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
640 put_be32(pb, 0); /* Temporal Quality */
641 put_be32(pb, 0x400); /* Spatial Quality = lossless*/
643 put_be32(pb, 0x200); /* Temporal Quality = normal */
644 put_be32(pb, 0x200); /* Spatial Quality = normal */
646 put_be16(pb, track->enc->width); /* Video width */
647 put_be16(pb, track->enc->height); /* Video height */
648 put_be32(pb, 0x00480000); /* Horizontal resolution 72dpi */
649 put_be32(pb, 0x00480000); /* Vertical resolution 72dpi */
650 put_be32(pb, 0); /* Data size (= 0) */
651 put_be16(pb, 1); /* Frame count (= 1) */
653 memset(compressor_name,0,32);
654 if (track->enc->codec && track->enc->codec->name)
655 strncpy(compressor_name,track->enc->codec->name,31);
656 put_byte(pb, strlen(compressor_name));
657 put_buffer(pb, compressor_name, 31);
659 put_be16(pb, 0x18); /* Reserved */
660 put_be16(pb, 0xffff); /* Reserved */
661 if(track->enc->codec_id == CODEC_ID_MPEG4)
662 mov_write_esds_tag(pb, track);
663 else if(track->enc->codec_id == CODEC_ID_H263)
664 mov_write_d263_tag(pb);
665 else if(track->enc->codec_id == CODEC_ID_SVQ3)
666 mov_write_svq3_tag(pb);
667 else if(track->enc->codec_id == CODEC_ID_H264)
668 mov_write_avcc_tag(pb, track);
670 return updateSize (pb, pos);
673 static int mov_write_stsd_tag(ByteIOContext *pb, MOVTrack* track)
675 offset_t pos = url_ftell(pb);
676 put_be32(pb, 0); /* size */
678 put_be32(pb, 0); /* version & flags */
679 put_be32(pb, 1); /* entry count */
680 if (track->enc->codec_type == CODEC_TYPE_VIDEO)
681 mov_write_video_tag(pb, track);
682 else if (track->enc->codec_type == CODEC_TYPE_AUDIO)
683 mov_write_audio_tag(pb, track);
684 return updateSize(pb, pos);
687 static int mov_write_ctts_tag(ByteIOContext *pb, MOVTrack* track)
689 Time2Sample *ctts_entries;
690 uint32_t entries = 0;
694 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
695 ctts_entries[0].count = 1;
696 ctts_entries[0].duration = track->cluster[0][0].cts;
697 for (i=1; i<track->entry; i++) {
698 int cl = i / MOV_INDEX_CLUSTER_SIZE;
699 int id = i % MOV_INDEX_CLUSTER_SIZE;
700 if (track->cluster[cl][id].cts == ctts_entries[entries].duration) {
701 ctts_entries[entries].count++; /* compress */
704 ctts_entries[entries].duration = track->cluster[cl][id].cts;
705 ctts_entries[entries].count = 1;
708 entries++; /* last one */
709 atom_size = 16 + (entries * 8);
710 put_be32(pb, atom_size); /* size */
712 put_be32(pb, 0); /* version & flags */
713 put_be32(pb, entries); /* entry count */
714 for (i=0; i<entries; i++) {
715 put_be32(pb, ctts_entries[i].count);
716 put_be32(pb, ctts_entries[i].duration);
718 av_free(ctts_entries);
723 /* Time to sample atom */
724 static int mov_write_stts_tag(ByteIOContext *pb, MOVTrack* track)
726 put_be32(pb, 0x18); /* size */
728 put_be32(pb, 0); /* version & flags */
729 put_be32(pb, 1); /* entry count */
731 put_be32(pb, track->sampleCount); /* sample count */
732 put_be32(pb, track->sampleDuration); /* sample duration */
736 static int mov_write_dref_tag(ByteIOContext *pb)
738 put_be32(pb, 28); /* size */
740 put_be32(pb, 0); /* version & flags */
741 put_be32(pb, 1); /* entry count */
743 put_be32(pb, 0xc); /* size */
745 put_be32(pb, 1); /* version & flags */
750 static int mov_write_stbl_tag(ByteIOContext *pb, MOVTrack* track)
752 offset_t pos = url_ftell(pb);
753 put_be32(pb, 0); /* size */
755 mov_write_stsd_tag(pb, track);
756 mov_write_stts_tag(pb, track);
757 if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
758 track->hasKeyframes < track->entry)
759 mov_write_stss_tag(pb, track);
760 if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
762 mov_write_ctts_tag(pb, track);
763 mov_write_stsc_tag(pb, track);
764 mov_write_stsz_tag(pb, track);
765 mov_write_stco_tag(pb, track);
766 return updateSize(pb, pos);
769 static int mov_write_dinf_tag(ByteIOContext *pb)
771 offset_t pos = url_ftell(pb);
772 put_be32(pb, 0); /* size */
774 mov_write_dref_tag(pb);
775 return updateSize(pb, pos);
778 static int mov_write_smhd_tag(ByteIOContext *pb)
780 put_be32(pb, 16); /* size */
782 put_be32(pb, 0); /* version & flags */
783 put_be16(pb, 0); /* reserved (balance, normally = 0) */
784 put_be16(pb, 0); /* reserved */
788 static int mov_write_vmhd_tag(ByteIOContext *pb)
790 put_be32(pb, 0x14); /* size (always 0x14) */
792 put_be32(pb, 0x01); /* version & flags */
793 put_be64(pb, 0); /* reserved (graphics mode = copy) */
797 static int mov_write_hdlr_tag(ByteIOContext *pb, MOVTrack* track)
799 const char *descr, *hdlr, *hdlr_type;
800 offset_t pos = url_ftell(pb);
802 if (!track) { /* no media --> data handler */
805 descr = "DataHandler";
807 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
808 if (track->enc->codec_type == CODEC_TYPE_VIDEO) {
810 descr = "VideoHandler";
813 descr = "SoundHandler";
817 put_be32(pb, 0); /* size */
819 put_be32(pb, 0); /* Version & flags */
820 put_buffer(pb, hdlr, 4); /* handler */
821 put_tag(pb, hdlr_type); /* handler type */
822 put_be32(pb ,0); /* reserved */
823 put_be32(pb ,0); /* reserved */
824 put_be32(pb ,0); /* reserved */
825 put_byte(pb, strlen(descr)); /* string counter */
826 put_buffer(pb, descr, strlen(descr)); /* handler description */
827 return updateSize(pb, pos);
830 static int mov_write_minf_tag(ByteIOContext *pb, MOVTrack* track)
832 offset_t pos = url_ftell(pb);
833 put_be32(pb, 0); /* size */
835 if(track->enc->codec_type == CODEC_TYPE_VIDEO)
836 mov_write_vmhd_tag(pb);
838 mov_write_smhd_tag(pb);
839 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
840 mov_write_hdlr_tag(pb, NULL);
841 mov_write_dinf_tag(pb);
842 mov_write_stbl_tag(pb, track);
843 return updateSize(pb, pos);
846 static int mov_write_mdhd_tag(ByteIOContext *pb, MOVTrack* track)
848 int version = track->trackDuration < INT32_MAX ? 0 : 1;
850 (version == 1) ? put_be32(pb, 44) : put_be32(pb, 32); /* size */
852 put_byte(pb, version);
853 put_be24(pb, 0); /* flags */
855 put_be64(pb, track->time);
856 put_be64(pb, track->time);
858 put_be32(pb, track->time); /* creation time */
859 put_be32(pb, track->time); /* modification time */
861 put_be32(pb, track->timescale); /* time scale (sample rate for audio) */
862 (version == 1) ? put_be64(pb, track->trackDuration) : put_be32(pb, track->trackDuration); /* duration */
863 put_be16(pb, track->language); /* language */
864 put_be16(pb, 0); /* reserved (quality) */
868 static int mov_write_mdia_tag(ByteIOContext *pb, MOVTrack* track)
870 offset_t pos = url_ftell(pb);
871 put_be32(pb, 0); /* size */
873 mov_write_mdhd_tag(pb, track);
874 mov_write_hdlr_tag(pb, track);
875 mov_write_minf_tag(pb, track);
876 return updateSize(pb, pos);
879 static int mov_write_tkhd_tag(ByteIOContext *pb, MOVTrack* track)
881 int64_t duration = av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP);
882 int version = duration < INT32_MAX ? 0 : 1;
884 (version == 1) ? put_be32(pb, 104) : put_be32(pb, 92); /* size */
886 put_byte(pb, version);
887 put_be24(pb, 0xf); /* flags (track enabled) */
889 put_be64(pb, track->time);
890 put_be64(pb, track->time);
892 put_be32(pb, track->time); /* creation time */
893 put_be32(pb, track->time); /* modification time */
895 put_be32(pb, track->trackID); /* track-id */
896 put_be32(pb, 0); /* reserved */
897 (version == 1) ? put_be64(pb, duration) : put_be32(pb, duration);
899 put_be32(pb, 0); /* reserved */
900 put_be32(pb, 0); /* reserved */
901 put_be32(pb, 0x0); /* reserved (Layer & Alternate group) */
902 /* Volume, only for audio */
903 if(track->enc->codec_type == CODEC_TYPE_AUDIO)
904 put_be16(pb, 0x0100);
907 put_be16(pb, 0); /* reserved */
909 /* Matrix structure */
910 put_be32(pb, 0x00010000); /* reserved */
911 put_be32(pb, 0x0); /* reserved */
912 put_be32(pb, 0x0); /* reserved */
913 put_be32(pb, 0x0); /* reserved */
914 put_be32(pb, 0x00010000); /* reserved */
915 put_be32(pb, 0x0); /* reserved */
916 put_be32(pb, 0x0); /* reserved */
917 put_be32(pb, 0x0); /* reserved */
918 put_be32(pb, 0x40000000); /* reserved */
920 /* Track width and height, for visual only */
921 if(track->enc->codec_type == CODEC_TYPE_VIDEO) {
922 double sample_aspect_ratio = av_q2d(track->enc->sample_aspect_ratio);
923 if( !sample_aspect_ratio ) sample_aspect_ratio = 1;
924 put_be32(pb, sample_aspect_ratio * track->enc->width*0x10000);
925 put_be32(pb, track->enc->height*0x10000);
934 // This box seems important for the psp playback ... without it the movie seems to hang
935 static int mov_write_edts_tag(ByteIOContext *pb, MOVTrack *track)
937 put_be32(pb, 0x24); /* size */
939 put_be32(pb, 0x1c); /* size */
944 put_be32(pb, av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP)); /* duration ... doesn't seem to effect psp */
946 if (track->hasBframes)
947 put_be32(pb, track->sampleDuration); /* first pts is 1 */
950 put_be32(pb, 0x00010000);
954 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
955 static int mov_write_uuid_tag_psp(ByteIOContext *pb, MOVTrack *mov)
957 put_be32(pb, 0x34); /* size ... reports as 28 in mp4box! */
960 put_be32(pb, 0x21d24fce);
961 put_be32(pb, 0xbb88695c);
962 put_be32(pb, 0xfac9c740);
963 put_be32(pb, 0x1c); // another size here!
965 put_be32(pb, 0x00010012);
967 put_be32(pb, 0x55c40000);
973 static int mov_write_trak_tag(ByteIOContext *pb, MOVTrack* track)
975 offset_t pos = url_ftell(pb);
976 put_be32(pb, 0); /* size */
978 mov_write_tkhd_tag(pb, track);
979 if (track->mode == MODE_PSP || track->hasBframes)
980 mov_write_edts_tag(pb, track); // PSP Movies require edts box
981 mov_write_mdia_tag(pb, track);
982 if (track->mode == MODE_PSP)
983 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
984 return updateSize(pb, pos);
988 /* TODO: Not sorted out, but not necessary either */
989 static int mov_write_iods_tag(ByteIOContext *pb, MOVContext *mov)
991 put_be32(pb, 0x15); /* size */
993 put_be32(pb, 0); /* version & flags */
994 put_be16(pb, 0x1007);
996 put_be16(pb, 0x4fff);
997 put_be16(pb, 0xfffe);
998 put_be16(pb, 0x01ff);
1003 static int mov_write_mvhd_tag(ByteIOContext *pb, MOVContext *mov)
1005 int maxTrackID = 1, i;
1006 int64_t maxTrackLenTemp, maxTrackLen = 0;
1009 for (i=0; i<MAX_STREAMS; i++) {
1010 if(mov->tracks[i].entry > 0) {
1011 maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration, globalTimescale, mov->tracks[i].timescale, AV_ROUND_UP);
1012 if(maxTrackLen < maxTrackLenTemp)
1013 maxTrackLen = maxTrackLenTemp;
1014 if(maxTrackID < mov->tracks[i].trackID)
1015 maxTrackID = mov->tracks[i].trackID;
1019 version = maxTrackLen < UINT32_MAX ? 0 : 1;
1020 (version == 1) ? put_be32(pb, 120) : put_be32(pb, 108); /* size */
1021 put_tag(pb, "mvhd");
1022 put_byte(pb, version);
1023 put_be24(pb, 0); /* flags */
1025 put_be64(pb, mov->time);
1026 put_be64(pb, mov->time);
1028 put_be32(pb, mov->time); /* creation time */
1029 put_be32(pb, mov->time); /* modification time */
1031 put_be32(pb, mov->timescale); /* timescale */
1032 (version == 1) ? put_be64(pb, maxTrackLen) : put_be32(pb, maxTrackLen); /* duration of longest track */
1034 put_be32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1035 put_be16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1036 put_be16(pb, 0); /* reserved */
1037 put_be32(pb, 0); /* reserved */
1038 put_be32(pb, 0); /* reserved */
1040 /* Matrix structure */
1041 put_be32(pb, 0x00010000); /* reserved */
1042 put_be32(pb, 0x0); /* reserved */
1043 put_be32(pb, 0x0); /* reserved */
1044 put_be32(pb, 0x0); /* reserved */
1045 put_be32(pb, 0x00010000); /* reserved */
1046 put_be32(pb, 0x0); /* reserved */
1047 put_be32(pb, 0x0); /* reserved */
1048 put_be32(pb, 0x0); /* reserved */
1049 put_be32(pb, 0x40000000); /* reserved */
1051 put_be32(pb, 0); /* reserved (preview time) */
1052 put_be32(pb, 0); /* reserved (preview duration) */
1053 put_be32(pb, 0); /* reserved (poster time) */
1054 put_be32(pb, 0); /* reserved (selection time) */
1055 put_be32(pb, 0); /* reserved (selection duration) */
1056 put_be32(pb, 0); /* reserved (current time) */
1057 put_be32(pb, maxTrackID+1); /* Next track id */
1061 static int mov_write_itunes_hdlr_tag(ByteIOContext *pb, MOVContext* mov,
1064 offset_t pos = url_ftell(pb);
1065 put_be32(pb, 0); /* size */
1066 put_tag(pb, "hdlr");
1069 put_tag(pb, "mdir");
1070 put_tag(pb, "appl");
1074 return updateSize(pb, pos);
1077 /* helper function to write a data tag with the specified string as data */
1078 static int mov_write_string_data_tag(ByteIOContext *pb, const char *data, int long_style)
1081 offset_t pos = url_ftell(pb);
1082 put_be32(pb, 0); /* size */
1083 put_tag(pb, "data");
1086 put_buffer(pb, data, strlen(data));
1087 return updateSize(pb, pos);
1089 put_be16(pb, strlen(data)); /* string length */
1091 put_buffer(pb, data, strlen(data));
1092 return strlen(data) + 4;
1096 static int mov_write_string_tag(ByteIOContext *pb, const char *name, const char *value, int long_style){
1098 if ( value && value[0] ) {
1099 offset_t pos = url_ftell(pb);
1100 put_be32(pb, 0); /* size */
1102 mov_write_string_data_tag(pb, value, long_style);
1103 size= updateSize(pb, pos);
1109 static int mov_write_day_tag(ByteIOContext *pb, int year, int long_style)
1113 snprintf(year_str, sizeof(year_str), "%04d", year);
1114 return mov_write_string_tag(pb, "\251day", year_str, long_style);
1119 /* iTunes track number */
1120 static int mov_write_trkn_tag(ByteIOContext *pb, MOVContext* mov,
1125 offset_t pos = url_ftell(pb);
1126 put_be32(pb, 0); /* size */
1127 put_tag(pb, "trkn");
1129 offset_t pos = url_ftell(pb);
1130 put_be32(pb, 0); /* size */
1131 put_tag(pb, "data");
1132 put_be32(pb, 0); // 8 bytes empty
1134 put_be16(pb, 0); // empty
1135 put_be16(pb, s->track); // track number
1136 put_be16(pb, 0); // total track number
1137 put_be16(pb, 0); // empty
1138 updateSize(pb, pos);
1140 size = updateSize(pb, pos);
1145 /* iTunes meta data list */
1146 static int mov_write_ilst_tag(ByteIOContext *pb, MOVContext* mov,
1149 offset_t pos = url_ftell(pb);
1150 put_be32(pb, 0); /* size */
1151 put_tag(pb, "ilst");
1152 mov_write_string_tag(pb, "\251nam", s->title , 1);
1153 mov_write_string_tag(pb, "\251ART", s->author , 1);
1154 mov_write_string_tag(pb, "\251wrt", s->author , 1);
1155 mov_write_string_tag(pb, "\251alb", s->album , 1);
1156 mov_write_day_tag(pb, s->year ,1);
1157 if(mov->tracks[0].enc && !(mov->tracks[0].enc->flags & CODEC_FLAG_BITEXACT))
1158 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 1);
1159 mov_write_string_tag(pb, "\251cmt", s->comment , 1);
1160 mov_write_string_tag(pb, "\251gen", s->genre , 1);
1161 mov_write_trkn_tag(pb, mov, s);
1162 return updateSize(pb, pos);
1165 /* iTunes meta data tag */
1166 static int mov_write_meta_tag(ByteIOContext *pb, MOVContext* mov,
1171 // only save meta tag if required
1172 if ( s->title[0] || s->author[0] || s->album[0] || s->year ||
1173 s->comment[0] || s->genre[0] || s->track ) {
1174 offset_t pos = url_ftell(pb);
1175 put_be32(pb, 0); /* size */
1176 put_tag(pb, "meta");
1178 mov_write_itunes_hdlr_tag(pb, mov, s);
1179 mov_write_ilst_tag(pb, mov, s);
1180 size = updateSize(pb, pos);
1185 static int mov_write_udta_tag(ByteIOContext *pb, MOVContext* mov,
1188 offset_t pos = url_ftell(pb);
1191 put_be32(pb, 0); /* size */
1192 put_tag(pb, "udta");
1194 /* iTunes meta data */
1195 mov_write_meta_tag(pb, mov, s);
1197 if(mov->mode == MODE_MOV){ // the title field breaks gtkpod with mp4 and my suspicion is that stuff isnt valid in mp4
1199 for (i=0; i<MAX_STREAMS; i++) {
1200 if(mov->tracks[i].entry <= 0) continue;
1201 if (mov->tracks[i].enc->codec_id == CODEC_ID_AAC ||
1202 mov->tracks[i].enc->codec_id == CODEC_ID_MPEG4) {
1203 mov_write_string_tag(pb, "\251req", "QuickTime 6.0 or greater", 0);
1208 mov_write_string_tag(pb, "\251nam", s->title , 0);
1209 mov_write_string_tag(pb, "\251aut", s->author , 0);
1210 mov_write_string_tag(pb, "\251alb", s->album , 0);
1211 mov_write_day_tag(pb, s->year, 0);
1212 if(mov->tracks[0].enc && !(mov->tracks[0].enc->flags & CODEC_FLAG_BITEXACT))
1213 mov_write_string_tag(pb, "\251enc", LIBAVFORMAT_IDENT, 0);
1214 mov_write_string_tag(pb, "\251des", s->comment , 0);
1215 mov_write_string_tag(pb, "\251gen", s->genre , 0);
1218 return updateSize(pb, pos);
1222 static size_t ascii_to_wc (ByteIOContext *pb, char *b, size_t n)
1226 for (i = 0; i < n - 1; i++) {
1228 if (! (0x20 <= c && c <= 0x7f ))
1236 static uint16_t language_code (const char *str)
1238 return ((((str[0]-0x60) & 0x1F)<<10) + (((str[1]-0x60) & 0x1F)<<5) + ((str[2]-0x60) & 0x1F));
1241 static int mov_write_uuidusmt_tag (ByteIOContext *pb, AVFormatContext *s)
1244 offset_t pos, curpos;
1248 pos = url_ftell(pb);
1249 put_be32(pb, 0); /* size placeholder*/
1250 put_tag(pb, "uuid");
1251 put_tag(pb, "USMT");
1252 put_be32(pb, 0x21d24fce ); /* 96 bit UUID */
1253 put_be32(pb, 0xbb88695c );
1254 put_be32(pb, 0xfac9c740 );
1257 put_be32(pb, 0); /* size placeholder*/
1258 put_tag(pb, "MTDT");
1263 put_be16(pb, 0x0C); /* size */
1264 put_be32(pb, 0x0B); /* type */
1265 put_be16(pb, language_code("und")); /* language */
1266 put_be16(pb, 0x0); /* ? */
1267 put_be16(pb, 0x021C); /* data */
1271 len = strlen(LIBAVCODEC_IDENT)+1;
1272 put_be16(pb, len*2+10); /* size */
1273 put_be32(pb, 0x04); /* type */
1274 put_be16(pb, language_code("eng")); /* language */
1275 put_be16(pb, 0x01); /* ? */
1276 ascii_to_wc(pb, LIBAVCODEC_IDENT, len);
1280 len = strlen(s->title)+1;
1281 put_be16(pb, len*2+10); /* size */
1282 put_be32(pb, 0x01); /* type */
1283 put_be16(pb, language_code("eng")); /* language */
1284 put_be16(pb, 0x01); /* ? */
1285 ascii_to_wc (pb, s->title, len);
1289 // 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);
1290 len = strlen("2006/04/01 11:11:11")+1;
1291 put_be16(pb, len*2+10); /* size */
1292 put_be32(pb, 0x03); /* type */
1293 put_be16(pb, language_code("und")); /* language */
1294 put_be16(pb, 0x01); /* ? */
1295 ascii_to_wc (pb, "2006/04/01 11:11:11", len);
1299 curpos = url_ftell(pb);
1300 url_fseek(pb, pos, SEEK_SET);
1302 url_fseek(pb, pos+24, SEEK_SET);
1303 put_be32(pb, size-24);
1304 url_fseek(pb, curpos, SEEK_SET);
1310 static int mov_write_moov_tag(ByteIOContext *pb, MOVContext *mov,
1314 offset_t pos = url_ftell(pb);
1315 put_be32(pb, 0); /* size placeholder*/
1316 put_tag(pb, "moov");
1317 mov->timescale = globalTimescale;
1319 for (i=0; i<MAX_STREAMS; i++) {
1320 if(mov->tracks[i].entry <= 0) continue;
1322 if(mov->tracks[i].enc->codec_type == CODEC_TYPE_VIDEO) {
1323 mov->tracks[i].timescale = mov->tracks[i].enc->time_base.den;
1324 mov->tracks[i].sampleDuration = mov->tracks[i].enc->time_base.num;
1325 } else if(mov->tracks[i].enc->codec_type == CODEC_TYPE_AUDIO) {
1326 mov->tracks[i].timescale = mov->tracks[i].enc->sample_rate;
1327 mov->tracks[i].sampleDuration = mov->tracks[i].enc->frame_size;
1330 mov->tracks[i].trackDuration =
1331 (int64_t)mov->tracks[i].sampleCount * mov->tracks[i].sampleDuration;
1332 mov->tracks[i].time = mov->time;
1333 mov->tracks[i].trackID = i+1;
1336 mov_write_mvhd_tag(pb, mov);
1337 //mov_write_iods_tag(pb, mov);
1338 for (i=0; i<MAX_STREAMS; i++) {
1339 if(mov->tracks[i].entry > 0) {
1340 mov_write_trak_tag(pb, &(mov->tracks[i]));
1344 if (mov->mode == MODE_PSP)
1345 mov_write_uuidusmt_tag(pb, s);
1347 mov_write_udta_tag(pb, mov, s);
1349 return updateSize(pb, pos);
1352 static int mov_write_mdat_tag(ByteIOContext *pb, MOVContext* mov)
1354 put_be32(pb, 8); // placeholder for extended size field (64 bit)
1355 put_tag(pb, "wide");
1357 mov->mdat_pos = url_ftell(pb);
1358 put_be32(pb, 0); /* size placeholder*/
1359 put_tag(pb, "mdat");
1363 /* TODO: This needs to be more general */
1364 static void mov_write_ftyp_tag (ByteIOContext *pb, AVFormatContext *s)
1366 MOVContext *mov = s->priv_data;
1368 put_be32(pb, 0x14 ); /* size */
1369 put_tag(pb, "ftyp");
1371 if ( mov->mode == MODE_3GP )
1372 put_tag(pb, "3gp4");
1373 else if ( mov->mode == MODE_3G2 )
1374 put_tag(pb, "3g2a");
1375 else if ( mov->mode == MODE_PSP )
1376 put_tag(pb, "MSNV");
1377 else if ( mov->mode == MODE_MP4 )
1378 put_tag(pb, "isom");
1382 put_be32(pb, 0x200 );
1384 if ( mov->mode == MODE_3GP )
1385 put_tag(pb, "3gp4");
1386 else if ( mov->mode == MODE_3G2 )
1387 put_tag(pb, "3g2a");
1388 else if ( mov->mode == MODE_PSP )
1389 put_tag(pb, "MSNV");
1390 else if ( mov->mode == MODE_MP4 )
1391 put_tag(pb, "mp41");
1396 static void mov_write_uuidprof_tag(ByteIOContext *pb, AVFormatContext *s)
1398 AVCodecContext *VideoCodec = s->streams[0]->codec;
1399 AVCodecContext *AudioCodec = s->streams[1]->codec;
1400 int AudioRate = AudioCodec->sample_rate;
1401 int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num);
1402 int audio_kbitrate= AudioCodec->bit_rate / 1000;
1403 int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate);
1405 put_be32(pb, 0x94 ); /* size */
1406 put_tag(pb, "uuid");
1407 put_tag(pb, "PROF");
1409 put_be32(pb, 0x21d24fce ); /* 96 bit UUID */
1410 put_be32(pb, 0xbb88695c );
1411 put_be32(pb, 0xfac9c740 );
1413 put_be32(pb, 0x0 ); /* ? */
1414 put_be32(pb, 0x3 ); /* 3 sections ? */
1416 put_be32(pb, 0x14 ); /* size */
1417 put_tag(pb, "FPRF");
1418 put_be32(pb, 0x0 ); /* ? */
1419 put_be32(pb, 0x0 ); /* ? */
1420 put_be32(pb, 0x0 ); /* ? */
1422 put_be32(pb, 0x2c ); /* size */
1423 put_tag(pb, "APRF"); /* audio */
1425 put_be32(pb, 0x2 ); /* TrackID */
1426 put_tag(pb, "mp4a");
1427 put_be32(pb, 0x20f );
1429 put_be32(pb, audio_kbitrate);
1430 put_be32(pb, audio_kbitrate);
1431 put_be32(pb, AudioRate );
1432 put_be32(pb, AudioCodec->channels );
1434 put_be32(pb, 0x34 ); /* size */
1435 put_tag(pb, "VPRF"); /* video */
1437 put_be32(pb, 0x1 ); /* TrackID */
1438 if (VideoCodec->codec_id == CODEC_ID_H264) {
1439 put_tag(pb, "avc1");
1440 put_be16(pb, 0x014D );
1441 put_be16(pb, 0x0015 );
1443 put_tag(pb, "mp4v");
1444 put_be16(pb, 0x0000 );
1445 put_be16(pb, 0x0103 );
1448 put_be32(pb, video_kbitrate);
1449 put_be32(pb, video_kbitrate);
1450 put_be32(pb, FrameRate);
1451 put_be32(pb, FrameRate);
1452 put_be16(pb, VideoCodec->width);
1453 put_be16(pb, VideoCodec->height);
1454 put_be32(pb, 0x010001); /* ? */
1457 static int mov_write_header(AVFormatContext *s)
1459 ByteIOContext *pb = &s->pb;
1460 MOVContext *mov = s->priv_data;
1463 /* Default mode == MP4 */
1464 mov->mode = MODE_MP4;
1466 if (s->oformat != NULL) {
1467 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
1468 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3G2;
1469 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
1470 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
1472 mov_write_ftyp_tag(pb,s);
1473 if ( mov->mode == MODE_PSP ) {
1474 if ( s->nb_streams != 2 ) {
1475 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
1478 mov_write_uuidprof_tag(pb,s);
1482 for(i=0; i<s->nb_streams; i++){
1483 AVStream *st= s->streams[i];
1484 MOVTrack *track= &mov->tracks[i];
1486 track->enc = st->codec;
1487 if(st->codec->codec_type == CODEC_TYPE_VIDEO){
1488 track->tag = mov_find_video_codec_tag(s, track);
1489 av_set_pts_info(st, 64, 1, st->codec->time_base.den);
1490 }else if(st->codec->codec_type == CODEC_TYPE_AUDIO){
1491 track->tag = mov_find_audio_codec_tag(s, track);
1492 av_set_pts_info(st, 64, 1, st->codec->sample_rate);
1494 track->language = ff_mov_iso639_to_lang(st->language, mov->mode != MODE_MOV);
1495 track->mode = mov->mode;
1498 mov_write_mdat_tag(pb, mov);
1499 mov->time = s->timestamp + 0x7C25B080; //1970 based -> 1904 based
1501 put_flush_packet(pb);
1506 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
1508 MOVContext *mov = s->priv_data;
1509 ByteIOContext *pb = &s->pb;
1510 MOVTrack *trk = &mov->tracks[pkt->stream_index];
1511 AVCodecContext *enc = trk->enc;
1513 unsigned int samplesInChunk = 0;
1514 int size= pkt->size;
1516 if (url_is_streamed(&s->pb)) return 0; /* Can't handle that */
1517 if (!size) return 0; /* Discard 0 sized packets */
1519 if (enc->codec_type == CODEC_TYPE_AUDIO) {
1520 switch (enc->codec_id) {
1521 case CODEC_ID_AMR_NB:
1522 { /* We must find out how many AMR blocks there are in one packet */
1523 static uint16_t packed_size[16] =
1524 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 0};
1527 while (len < size && samplesInChunk < 100) {
1528 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
1533 case CODEC_ID_PCM_MULAW:
1534 case CODEC_ID_PCM_ALAW:
1535 samplesInChunk = size/enc->channels;
1537 case CODEC_ID_PCM_S16BE:
1538 case CODEC_ID_PCM_S16LE:
1539 samplesInChunk = size/(2*enc->channels);
1541 case CODEC_ID_PCM_S24BE:
1542 case CODEC_ID_PCM_S24LE:
1543 samplesInChunk = size/(3*enc->channels);
1545 case CODEC_ID_PCM_S32BE:
1546 case CODEC_ID_PCM_S32LE:
1547 samplesInChunk = size/(4*enc->channels);
1556 /* copy extradata if it exists */
1557 if (trk->vosLen == 0 && enc->extradata_size > 0) {
1558 trk->vosLen = enc->extradata_size;
1559 trk->vosData = av_malloc(trk->vosLen);
1560 memcpy(trk->vosData, enc->extradata, trk->vosLen);
1563 if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) {
1564 /* from x264 or from bytestream h264 */
1565 /* nal reformating needed */
1566 avc_parse_nal_units(&pkt->data, &pkt->size);
1571 cl = trk->entry / MOV_INDEX_CLUSTER_SIZE;
1572 id = trk->entry % MOV_INDEX_CLUSTER_SIZE;
1574 if (trk->ents_allocated <= trk->entry) {
1575 trk->cluster = av_realloc(trk->cluster, (cl+1)*sizeof(void*));
1578 trk->cluster[cl] = av_malloc(MOV_INDEX_CLUSTER_SIZE*sizeof(MOVIentry));
1579 if (!trk->cluster[cl])
1581 trk->ents_allocated += MOV_INDEX_CLUSTER_SIZE;
1584 trk->cluster[cl][id].pos = url_ftell(pb);
1585 trk->cluster[cl][id].samplesInChunk = samplesInChunk;
1586 trk->cluster[cl][id].size = size;
1587 trk->cluster[cl][id].entries = samplesInChunk;
1588 if(enc->codec_type == CODEC_TYPE_VIDEO) {
1589 if (pkt->dts != pkt->pts)
1590 trk->hasBframes = 1;
1591 trk->cluster[cl][id].cts = pkt->pts - pkt->dts;
1592 trk->cluster[cl][id].key_frame = !!(pkt->flags & PKT_FLAG_KEY);
1593 if(trk->cluster[cl][id].key_frame)
1594 trk->hasKeyframes++;
1597 trk->sampleCount += samplesInChunk;
1598 mov->mdat_size += size;
1600 put_buffer(pb, pkt->data, size);
1602 put_flush_packet(pb);
1606 static int mov_write_trailer(AVFormatContext *s)
1608 MOVContext *mov = s->priv_data;
1609 ByteIOContext *pb = &s->pb;
1613 offset_t moov_pos = url_ftell(pb);
1615 /* Write size of mdat tag */
1616 if (mov->mdat_size+8 <= UINT32_MAX) {
1617 url_fseek(pb, mov->mdat_pos, SEEK_SET);
1618 put_be32(pb, mov->mdat_size+8);
1620 /* overwrite 'wide' placeholder atom */
1621 url_fseek(pb, mov->mdat_pos - 8, SEEK_SET);
1622 put_be32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */
1623 put_tag(pb, "mdat");
1624 put_be64(pb, mov->mdat_size+16);
1626 url_fseek(pb, moov_pos, SEEK_SET);
1628 mov_write_moov_tag(pb, mov, s);
1630 for (i=0; i<MAX_STREAMS; i++) {
1631 for (j=0; j<mov->tracks[i].ents_allocated/MOV_INDEX_CLUSTER_SIZE; j++) {
1632 av_free(mov->tracks[i].cluster[j]);
1634 av_free(mov->tracks[i].cluster);
1635 if( mov->tracks[i].vosLen ) av_free( mov->tracks[i].vosData );
1637 mov->tracks[i].cluster = NULL;
1638 mov->tracks[i].ents_allocated = mov->tracks[i].entry = 0;
1641 put_flush_packet(pb);
1646 static AVOutputFormat mov_oformat = {
1657 .flags = AVFMT_GLOBALHEADER,
1660 static AVOutputFormat _3gp_oformat = {
1671 .flags = AVFMT_GLOBALHEADER,
1674 static AVOutputFormat mp4_oformat = {
1685 .flags = AVFMT_GLOBALHEADER,
1688 static AVOutputFormat psp_oformat = {
1699 .flags = AVFMT_GLOBALHEADER,
1702 static AVOutputFormat _3g2_oformat = {
1713 .flags = AVFMT_GLOBALHEADER,
1716 int movenc_init(void)
1718 av_register_output_format(&mov_oformat);
1719 av_register_output_format(&_3gp_oformat);
1720 av_register_output_format(&mp4_oformat);
1721 av_register_output_format(&psp_oformat);
1722 av_register_output_format(&_3g2_oformat);