3 * Copyright (c) 2003 Thomas Raivio.
4 * Copyright (c) 2004 Gildas Bazin <gbazin at videolan dot org>.
6 * This file is part of FFmpeg.
8 * FFmpeg is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * FFmpeg is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with FFmpeg; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
27 #include "libavcodec/bitstream.h"
32 #define MOV_INDEX_CLUSTER_SIZE 16384
33 #define globalTimescale 1000
38 #define MODE_PSP 0x08 // example working PSP command line:
39 // ffmpeg -i testinput.avi -f psp -r 14.985 -s 320x240 -b 768 -ar 24000 -ab 32 M4V00001.MP4
41 #define MODE_IPOD 0x20
43 typedef struct MOVIentry {
44 unsigned int flags, size;
46 unsigned int samplesInChunk;
53 typedef struct MOVIndex {
58 int64_t trackDuration;
65 int tag; ///< stsd fourcc
74 typedef struct MOVContext {
81 MOVTrack tracks[MAX_STREAMS];
84 //FIXME support 64 bit variant with wide placeholders
85 static offset_t updateSize(ByteIOContext *pb, offset_t pos)
87 offset_t curpos = url_ftell(pb);
88 url_fseek(pb, pos, SEEK_SET);
89 put_be32(pb, curpos - pos); /* rewrite size */
90 url_fseek(pb, curpos, SEEK_SET);
95 /* Chunk offset atom */
96 static int mov_write_stco_tag(ByteIOContext *pb, MOVTrack *track)
99 int mode64 = 0; // use 32 bit size variant if possible
100 offset_t pos = url_ftell(pb);
101 put_be32(pb, 0); /* size */
102 if (pos > UINT32_MAX) {
107 put_be32(pb, 0); /* version & flags */
108 put_be32(pb, track->entry); /* entry count */
109 for (i=0; i<track->entry; i++) {
111 put_be64(pb, track->cluster[i].pos);
113 put_be32(pb, track->cluster[i].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 tst = track->cluster[i].size/track->cluster[i].entries;
131 if(oldtst != -1 && tst != oldtst) {
135 entries += track->cluster[i].entries;
138 int sSize = track->cluster[0].size/track->cluster[0].entries;
139 put_be32(pb, sSize); // sample size
140 put_be32(pb, entries); // sample count
143 put_be32(pb, 0); // sample size
144 put_be32(pb, entries); // sample count
145 for (i=0; i<track->entry; i++) {
146 for (j=0; j<track->cluster[i].entries; j++) {
147 put_be32(pb, track->cluster[i].size /
148 track->cluster[i].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 if(oldval != track->cluster[i].samplesInChunk)
170 put_be32(pb, i+1); // first chunk
171 put_be32(pb, track->cluster[i].samplesInChunk); // samples per chunk
172 put_be32(pb, 0x1); // sample description index
173 oldval = track->cluster[i].samplesInChunk;
177 curpos = url_ftell(pb);
178 url_fseek(pb, entryPos, SEEK_SET);
179 put_be32(pb, index); // rewrite size
180 url_fseek(pb, curpos, SEEK_SET);
182 return updateSize(pb, pos);
185 /* Sync sample atom */
186 static int mov_write_stss_tag(ByteIOContext *pb, MOVTrack *track)
188 offset_t curpos, entryPos;
190 offset_t pos = url_ftell(pb);
191 put_be32(pb, 0); // size
193 put_be32(pb, 0); // version & flags
194 entryPos = url_ftell(pb);
195 put_be32(pb, track->entry); // entry count
196 for (i=0; i<track->entry; i++) {
197 if(track->cluster[i].key_frame == 1) {
202 curpos = url_ftell(pb);
203 url_fseek(pb, entryPos, SEEK_SET);
204 put_be32(pb, index); // rewrite size
205 url_fseek(pb, curpos, SEEK_SET);
206 return updateSize(pb, pos);
209 static int mov_write_amr_tag(ByteIOContext *pb, MOVTrack *track)
211 put_be32(pb, 0x11); /* size */
212 if (track->mode == MODE_MOV) put_tag(pb, "samr");
213 else put_tag(pb, "damr");
215 put_byte(pb, 0); /* decoder version */
217 put_be16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
218 put_byte(pb, 0x00); /* Mode change period (no restriction) */
219 put_byte(pb, 0x01); /* Frames per sample */
223 static int mov_write_ac3_tag(ByteIOContext *pb, MOVTrack *track)
228 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
230 if (track->vosLen < 7)
236 init_get_bits(&gbc, track->vosData+4, track->vosLen-4);
237 fscod = get_bits(&gbc, 2);
238 frmsizecod = get_bits(&gbc, 6);
239 bsid = get_bits(&gbc, 5);
240 bsmod = get_bits(&gbc, 3);
241 acmod = get_bits(&gbc, 3);
243 skip_bits(&gbc, 2); // dsurmod
245 if ((acmod & 1) && acmod != 1)
246 skip_bits(&gbc, 2); // cmixlev
248 skip_bits(&gbc, 2); // surmixlev
250 lfeon = get_bits1(&gbc);
252 init_put_bits(&pbc, buf, sizeof(buf));
253 put_bits(&pbc, 2, fscod);
254 put_bits(&pbc, 5, bsid);
255 put_bits(&pbc, 3, bsmod);
256 put_bits(&pbc, 3, acmod);
257 put_bits(&pbc, 1, lfeon);
258 put_bits(&pbc, 5, frmsizecod>>1); // bit_rate_code
259 put_bits(&pbc, 5, 0); // reserved
261 flush_put_bits(&pbc);
262 put_buffer(pb, buf, sizeof(buf));
268 * This function writes extradata "as is".
269 * Extradata must be formated like a valid atom (with size and tag)
271 static int mov_write_extradata_tag(ByteIOContext *pb, MOVTrack *track)
273 put_buffer(pb, track->enc->extradata, track->enc->extradata_size);
274 return track->enc->extradata_size;
277 static int mov_write_enda_tag(ByteIOContext *pb)
281 put_be16(pb, 1); /* little endian */
285 static unsigned int descrLength(unsigned int len)
288 for(i=1; len>>(7*i); i++);
292 static void putDescr(ByteIOContext *pb, int tag, unsigned int size)
294 int i= descrLength(size) - size - 2;
297 put_byte(pb, (size>>(7*i)) | 0x80);
298 put_byte(pb, size & 0x7F);
301 static int mov_write_esds_tag(ByteIOContext *pb, MOVTrack *track) // Basic
303 offset_t pos = url_ftell(pb);
304 int decoderSpecificInfoLen = track->vosLen ? descrLength(track->vosLen):0;
306 put_be32(pb, 0); // size
308 put_be32(pb, 0); // Version
311 putDescr(pb, 0x03, 3 + descrLength(13 + decoderSpecificInfoLen) +
313 put_be16(pb, track->trackID);
314 put_byte(pb, 0x00); // flags (= no flags)
316 // DecoderConfig descriptor
317 putDescr(pb, 0x04, 13 + decoderSpecificInfoLen);
319 // Object type indication
320 if ((track->enc->codec_id == CODEC_ID_MP2 ||
321 track->enc->codec_id == CODEC_ID_MP3) &&
322 track->enc->sample_rate > 24000)
323 put_byte(pb, 0x6B); // 11172-3
325 put_byte(pb, codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
327 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
328 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
329 if(track->enc->codec_type == CODEC_TYPE_AUDIO)
330 put_byte(pb, 0x15); // flags (= Audiostream)
332 put_byte(pb, 0x11); // flags (= Visualstream)
334 put_byte(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits)
335 put_be16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB
337 put_be32(pb, FFMAX(track->enc->bit_rate, track->enc->rc_max_rate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
338 if(track->enc->rc_max_rate != track->enc->rc_min_rate || track->enc->rc_min_rate==0)
339 put_be32(pb, 0); // vbr
341 put_be32(pb, track->enc->rc_max_rate); // avg bitrate
344 // DecoderSpecific info descriptor
345 putDescr(pb, 0x05, track->vosLen);
346 put_buffer(pb, track->vosData, track->vosLen);
350 putDescr(pb, 0x06, 1);
352 return updateSize(pb, pos);
355 static int mov_write_wave_tag(ByteIOContext *pb, MOVTrack *track)
357 offset_t pos = url_ftell(pb);
359 put_be32(pb, 0); /* size */
362 put_be32(pb, 12); /* size */
364 put_le32(pb, track->tag);
366 if (track->enc->codec_id == CODEC_ID_AAC) {
367 /* useless atom needed by mplayer, ipod, not needed by quicktime */
368 put_be32(pb, 12); /* size */
371 mov_write_esds_tag(pb, track);
372 } else if (track->enc->codec_id == CODEC_ID_PCM_S24LE ||
373 track->enc->codec_id == CODEC_ID_PCM_S32LE) {
374 mov_write_enda_tag(pb);
375 } else if (track->enc->codec_id == CODEC_ID_AMR_NB) {
376 mov_write_amr_tag(pb, track);
377 } else if (track->enc->codec_id == CODEC_ID_AC3) {
378 mov_write_ac3_tag(pb, track);
379 } else if (track->enc->codec_id == CODEC_ID_ALAC) {
380 mov_write_extradata_tag(pb, track);
383 put_be32(pb, 8); /* size */
384 put_be32(pb, 0); /* null tag */
386 return updateSize(pb, pos);
389 static int mov_write_glbl_tag(ByteIOContext *pb, MOVTrack *track)
391 put_be32(pb, track->vosLen+8);
393 put_buffer(pb, track->vosData, track->vosLen);
394 return 8+track->vosLen;
397 static int mov_write_audio_tag(ByteIOContext *pb, MOVTrack *track)
399 offset_t pos = url_ftell(pb);
400 int version = track->mode == MODE_MOV &&
402 track->enc->codec_id == CODEC_ID_PCM_S32LE ||
403 track->enc->codec_id == CODEC_ID_PCM_S24LE);
405 put_be32(pb, 0); /* size */
406 put_le32(pb, track->tag); // store it byteswapped
407 put_be32(pb, 0); /* Reserved */
408 put_be16(pb, 0); /* Reserved */
409 put_be16(pb, 1); /* Data-reference index, XXX == 1 */
411 /* SoundDescription */
412 put_be16(pb, version); /* Version */
413 put_be16(pb, 0); /* Revision level */
414 put_be32(pb, 0); /* Reserved */
416 if (track->mode == MODE_MOV) {
417 put_be16(pb, track->enc->channels);
418 if (track->enc->codec_id == CODEC_ID_PCM_U8 ||
419 track->enc->codec_id == CODEC_ID_PCM_S8)
420 put_be16(pb, 8); /* bits per sample */
423 put_be16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
424 } else { /* reserved for mp4/3gp */
430 put_be16(pb, 0); /* packet size (= 0) */
431 put_be16(pb, track->timescale); /* Time scale */
432 put_be16(pb, 0); /* Reserved */
434 if(version == 1) { /* SoundDescription V1 extended info */
435 put_be32(pb, track->enc->frame_size); /* Samples per packet */
436 put_be32(pb, track->sampleSize / track->enc->channels); /* Bytes per packet */
437 put_be32(pb, track->sampleSize); /* Bytes per frame */
438 put_be32(pb, 2); /* Bytes per sample */
441 if(track->mode == MODE_MOV &&
442 (track->enc->codec_id == CODEC_ID_AAC ||
443 track->enc->codec_id == CODEC_ID_AC3 ||
444 track->enc->codec_id == CODEC_ID_AMR_NB ||
445 track->enc->codec_id == CODEC_ID_PCM_S24LE ||
446 track->enc->codec_id == CODEC_ID_PCM_S32LE ||
447 track->enc->codec_id == CODEC_ID_ALAC))
448 mov_write_wave_tag(pb, track);
449 else if(track->tag == MKTAG('m','p','4','a'))
450 mov_write_esds_tag(pb, track);
451 else if(track->enc->codec_id == CODEC_ID_AMR_NB)
452 mov_write_amr_tag(pb, track);
453 else if(track->enc->codec_id == CODEC_ID_AC3)
454 mov_write_ac3_tag(pb, track);
455 else if(track->enc->codec_id == CODEC_ID_ALAC)
456 mov_write_extradata_tag(pb, track);
457 else if(track->vosLen > 0)
458 mov_write_glbl_tag(pb, track);
460 return updateSize(pb, pos);
463 static int mov_write_d263_tag(ByteIOContext *pb)
465 put_be32(pb, 0xf); /* size */
468 put_byte(pb, 0); /* decoder version */
469 /* FIXME use AVCodecContext level/profile, when encoder will set values */
470 put_byte(pb, 0xa); /* level */
471 put_byte(pb, 0); /* profile */
475 /* TODO: No idea about these values */
476 static int mov_write_svq3_tag(ByteIOContext *pb)
482 put_be32(pb, 0xe2c0211d);
483 put_be32(pb, 0xc0000000);
488 static int mov_write_avcc_tag(ByteIOContext *pb, MOVTrack *track)
490 offset_t pos = url_ftell(pb);
494 ff_isom_write_avcc(pb, track->vosData, track->vosLen);
495 return updateSize(pb, pos);
498 /* also used by all avid codecs (dv, imx, meridien) and their variants */
499 static int mov_write_avid_tag(ByteIOContext *pb, MOVTrack *track)
502 put_be32(pb, 24); /* size */
506 put_be32(pb, 1); /* yuv 1 / rgb 2 ? */
507 put_be32(pb, 0); /* unknown */
509 put_be32(pb, 24); /* size */
513 put_be32(pb, 1); /* unknown */
514 put_be32(pb, 0); /* unknown */
516 put_be32(pb, 120); /* size */
520 put_be32(pb, AV_RB32(track->vosData + 0x28)); /* dnxhd cid, some id ? */
521 put_be32(pb, track->enc->width);
522 /* values below are based on samples created with quicktime and avid codecs */
523 if (track->vosData[5] & 2) { // interlaced
524 put_be32(pb, track->enc->height/2);
525 put_be32(pb, 2); /* unknown */
526 put_be32(pb, 0); /* unknown */
527 put_be32(pb, 4); /* unknown */
529 put_be32(pb, track->enc->height);
530 put_be32(pb, 1); /* unknown */
531 put_be32(pb, 0); /* unknown */
532 if (track->enc->height == 1080)
533 put_be32(pb, 5); /* unknown */
535 put_be32(pb, 6); /* unknown */
538 for (i = 0; i < 10; i++)
541 /* extra padding for stsd needed */
546 static const AVCodecTag codec_3gp_tags[] = {
547 { CODEC_ID_H263, MKTAG('s','2','6','3') },
548 { CODEC_ID_H264, MKTAG('a','v','c','1') },
549 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
550 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
551 { CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
552 { CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
553 { CODEC_ID_NONE, 0 },
556 static const AVCodecTag mov_pix_fmt_tags[] = {
557 { PIX_FMT_YUYV422, MKTAG('y','u','v','s') },
558 { PIX_FMT_UYVY422, MKTAG('2','v','u','y') },
559 { PIX_FMT_BGR555, MKTAG('r','a','w',' ') },
560 { PIX_FMT_RGB24, MKTAG('r','a','w',' ') },
561 { PIX_FMT_BGR32_1, MKTAG('r','a','w',' ') },
564 static const AVCodecTag codec_ipod_tags[] = {
565 { CODEC_ID_H264, MKTAG('a','v','c','1') },
566 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
567 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
568 { CODEC_ID_ALAC, MKTAG('a','l','a','c') },
569 { CODEC_ID_AC3, MKTAG('a','c','-','3') },
570 { CODEC_ID_NONE, 0 },
573 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
575 int tag = track->enc->codec_tag;
576 if (track->mode == MODE_MP4 || track->mode == MODE_PSP) {
577 if (!codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
579 if (track->enc->codec_id == CODEC_ID_H264) tag = MKTAG('a','v','c','1');
580 else if (track->enc->codec_id == CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
581 else if (track->enc->codec_id == CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
582 else if (track->enc->codec_type == CODEC_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
583 else if (track->enc->codec_type == CODEC_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
584 } else if (track->mode == MODE_IPOD) {
585 tag = codec_get_tag(codec_ipod_tags, track->enc->codec_id);
586 if (!match_ext(s->filename, "m4a") && !match_ext(s->filename, "m4v"))
587 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
588 "Quicktime/Ipod might not play the file\n");
589 } else if (track->mode & MODE_3GP) {
590 tag = codec_get_tag(codec_3gp_tags, track->enc->codec_id);
591 } else if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
592 (tag == MKTAG('d','v','c','p') ||
593 track->enc->codec_id == CODEC_ID_RAWVIDEO))) {
594 if (track->enc->codec_id == CODEC_ID_DVVIDEO) {
595 if (track->enc->height == 480) /* NTSC */
596 if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
597 else tag = MKTAG('d','v','c',' ');
598 else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
599 else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
600 else tag = MKTAG('d','v','p','p');
601 } else if (track->enc->codec_id == CODEC_ID_RAWVIDEO) {
602 tag = codec_get_tag(mov_pix_fmt_tags, track->enc->pix_fmt);
603 if (!tag) // restore tag
604 tag = track->enc->codec_tag;
606 if (track->enc->codec_type == CODEC_TYPE_VIDEO) {
607 tag = codec_get_tag(codec_movvideo_tags, track->enc->codec_id);
608 if (!tag) { // if no mac fcc found, try with Microsoft tags
609 tag = codec_get_tag(codec_bmp_tags, track->enc->codec_id);
611 av_log(s, AV_LOG_INFO, "Warning, using MS style video codec tag, "
612 "the file may be unplayable!\n");
614 } else if (track->enc->codec_type == CODEC_TYPE_AUDIO) {
615 tag = codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
616 if (!tag) { // if no mac fcc found, try with Microsoft tags
617 int ms_tag = codec_get_tag(codec_wav_tags, track->enc->codec_id);
619 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
620 av_log(s, AV_LOG_INFO, "Warning, using MS style audio codec tag, "
621 "the file may be unplayable!\n");
631 * Needed to make file play in iPods running newest firmware
632 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
634 static int mov_write_uuid_tag_ipod(ByteIOContext *pb)
638 put_be32(pb, 0x6b6840f2);
639 put_be32(pb, 0x5f244fc5);
640 put_be32(pb, 0xba39a51b);
641 put_be32(pb, 0xcf0323f3);
646 static int mov_write_video_tag(ByteIOContext *pb, MOVTrack *track)
648 offset_t pos = url_ftell(pb);
649 char compressor_name[32];
651 put_be32(pb, 0); /* size */
652 put_le32(pb, track->tag); // store it byteswapped
653 put_be32(pb, 0); /* Reserved */
654 put_be16(pb, 0); /* Reserved */
655 put_be16(pb, 1); /* Data-reference index */
657 put_be16(pb, 0); /* Codec stream version */
658 put_be16(pb, 0); /* Codec stream revision (=0) */
659 if (track->mode == MODE_MOV) {
660 put_tag(pb, "FFMP"); /* Vendor */
661 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
662 put_be32(pb, 0); /* Temporal Quality */
663 put_be32(pb, 0x400); /* Spatial Quality = lossless*/
665 put_be32(pb, 0x200); /* Temporal Quality = normal */
666 put_be32(pb, 0x200); /* Spatial Quality = normal */
669 put_be32(pb, 0); /* Reserved */
670 put_be32(pb, 0); /* Reserved */
671 put_be32(pb, 0); /* Reserved */
673 put_be16(pb, track->enc->width); /* Video width */
674 put_be16(pb, track->enc->height); /* Video height */
675 put_be32(pb, 0x00480000); /* Horizontal resolution 72dpi */
676 put_be32(pb, 0x00480000); /* Vertical resolution 72dpi */
677 put_be32(pb, 0); /* Data size (= 0) */
678 put_be16(pb, 1); /* Frame count (= 1) */
680 memset(compressor_name,0,32);
681 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
682 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
683 strncpy(compressor_name,track->enc->codec->name,31);
684 put_byte(pb, strlen(compressor_name));
685 put_buffer(pb, compressor_name, 31);
687 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
688 put_be16(pb, track->enc->bits_per_coded_sample);
690 put_be16(pb, 0x18); /* Reserved */
691 put_be16(pb, 0xffff); /* Reserved */
692 if(track->tag == MKTAG('m','p','4','v'))
693 mov_write_esds_tag(pb, track);
694 else if(track->enc->codec_id == CODEC_ID_H263)
695 mov_write_d263_tag(pb);
696 else if(track->enc->codec_id == CODEC_ID_SVQ3)
697 mov_write_svq3_tag(pb);
698 else if(track->enc->codec_id == CODEC_ID_DNXHD)
699 mov_write_avid_tag(pb, track);
700 else if(track->enc->codec_id == CODEC_ID_H264) {
701 mov_write_avcc_tag(pb, track);
702 if(track->mode == MODE_IPOD)
703 mov_write_uuid_tag_ipod(pb);
704 } else if(track->vosLen > 0)
705 mov_write_glbl_tag(pb, track);
707 return updateSize(pb, pos);
710 static int mov_write_stsd_tag(ByteIOContext *pb, MOVTrack *track)
712 offset_t pos = url_ftell(pb);
713 put_be32(pb, 0); /* size */
715 put_be32(pb, 0); /* version & flags */
716 put_be32(pb, 1); /* entry count */
717 if (track->enc->codec_type == CODEC_TYPE_VIDEO)
718 mov_write_video_tag(pb, track);
719 else if (track->enc->codec_type == CODEC_TYPE_AUDIO)
720 mov_write_audio_tag(pb, track);
721 return updateSize(pb, pos);
724 static int mov_write_ctts_tag(ByteIOContext *pb, MOVTrack *track)
726 MOV_stts_t *ctts_entries;
727 uint32_t entries = 0;
731 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
732 ctts_entries[0].count = 1;
733 ctts_entries[0].duration = track->cluster[0].cts;
734 for (i=1; i<track->entry; i++) {
735 if (track->cluster[i].cts == ctts_entries[entries].duration) {
736 ctts_entries[entries].count++; /* compress */
739 ctts_entries[entries].duration = track->cluster[i].cts;
740 ctts_entries[entries].count = 1;
743 entries++; /* last one */
744 atom_size = 16 + (entries * 8);
745 put_be32(pb, atom_size); /* size */
747 put_be32(pb, 0); /* version & flags */
748 put_be32(pb, entries); /* entry count */
749 for (i=0; i<entries; i++) {
750 put_be32(pb, ctts_entries[i].count);
751 put_be32(pb, ctts_entries[i].duration);
753 av_free(ctts_entries);
757 /* Time to sample atom */
758 static int mov_write_stts_tag(ByteIOContext *pb, MOVTrack *track)
760 MOV_stts_t *stts_entries;
761 uint32_t entries = -1;
765 if (track->enc->codec_type == CODEC_TYPE_AUDIO && !track->audio_vbr) {
766 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
767 stts_entries[0].count = track->sampleCount;
768 stts_entries[0].duration = 1;
771 stts_entries = av_malloc(track->entry * sizeof(*stts_entries)); /* worst case */
772 for (i=0; i<track->entry; i++) {
773 int64_t duration = i + 1 == track->entry ?
774 track->trackDuration - track->cluster[i].dts + track->cluster[0].dts : /* readjusting */
775 track->cluster[i+1].dts - track->cluster[i].dts;
776 if (i && duration == stts_entries[entries].duration) {
777 stts_entries[entries].count++; /* compress */
780 stts_entries[entries].duration = duration;
781 stts_entries[entries].count = 1;
784 entries++; /* last one */
786 atom_size = 16 + (entries * 8);
787 put_be32(pb, atom_size); /* size */
789 put_be32(pb, 0); /* version & flags */
790 put_be32(pb, entries); /* entry count */
791 for (i=0; i<entries; i++) {
792 put_be32(pb, stts_entries[i].count);
793 put_be32(pb, stts_entries[i].duration);
795 av_free(stts_entries);
799 static int mov_write_dref_tag(ByteIOContext *pb)
801 put_be32(pb, 28); /* size */
803 put_be32(pb, 0); /* version & flags */
804 put_be32(pb, 1); /* entry count */
806 put_be32(pb, 0xc); /* size */
808 put_be32(pb, 1); /* version & flags */
813 static int mov_write_stbl_tag(ByteIOContext *pb, MOVTrack *track)
815 offset_t pos = url_ftell(pb);
816 put_be32(pb, 0); /* size */
818 mov_write_stsd_tag(pb, track);
819 mov_write_stts_tag(pb, track);
820 if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
821 track->hasKeyframes && track->hasKeyframes < track->entry)
822 mov_write_stss_tag(pb, track);
823 if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
825 mov_write_ctts_tag(pb, track);
826 mov_write_stsc_tag(pb, track);
827 mov_write_stsz_tag(pb, track);
828 mov_write_stco_tag(pb, track);
829 return updateSize(pb, pos);
832 static int mov_write_dinf_tag(ByteIOContext *pb)
834 offset_t pos = url_ftell(pb);
835 put_be32(pb, 0); /* size */
837 mov_write_dref_tag(pb);
838 return updateSize(pb, pos);
841 static int mov_write_smhd_tag(ByteIOContext *pb)
843 put_be32(pb, 16); /* size */
845 put_be32(pb, 0); /* version & flags */
846 put_be16(pb, 0); /* reserved (balance, normally = 0) */
847 put_be16(pb, 0); /* reserved */
851 static int mov_write_vmhd_tag(ByteIOContext *pb)
853 put_be32(pb, 0x14); /* size (always 0x14) */
855 put_be32(pb, 0x01); /* version & flags */
856 put_be64(pb, 0); /* reserved (graphics mode = copy) */
860 static int mov_write_hdlr_tag(ByteIOContext *pb, MOVTrack *track)
862 const char *descr, *hdlr, *hdlr_type;
863 offset_t pos = url_ftell(pb);
865 if (!track) { /* no media --> data handler */
868 descr = "DataHandler";
870 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
871 if (track->enc->codec_type == CODEC_TYPE_VIDEO) {
873 descr = "VideoHandler";
876 descr = "SoundHandler";
880 put_be32(pb, 0); /* size */
882 put_be32(pb, 0); /* Version & flags */
883 put_buffer(pb, hdlr, 4); /* handler */
884 put_tag(pb, hdlr_type); /* handler type */
885 put_be32(pb ,0); /* reserved */
886 put_be32(pb ,0); /* reserved */
887 put_be32(pb ,0); /* reserved */
888 put_byte(pb, strlen(descr)); /* string counter */
889 put_buffer(pb, descr, strlen(descr)); /* handler description */
890 return updateSize(pb, pos);
893 static int mov_write_minf_tag(ByteIOContext *pb, MOVTrack *track)
895 offset_t pos = url_ftell(pb);
896 put_be32(pb, 0); /* size */
898 if(track->enc->codec_type == CODEC_TYPE_VIDEO)
899 mov_write_vmhd_tag(pb);
901 mov_write_smhd_tag(pb);
902 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
903 mov_write_hdlr_tag(pb, NULL);
904 mov_write_dinf_tag(pb);
905 mov_write_stbl_tag(pb, track);
906 return updateSize(pb, pos);
909 static int mov_write_mdhd_tag(ByteIOContext *pb, MOVTrack *track)
911 int version = track->trackDuration < INT32_MAX ? 0 : 1;
913 (version == 1) ? put_be32(pb, 44) : put_be32(pb, 32); /* size */
915 put_byte(pb, version);
916 put_be24(pb, 0); /* flags */
918 put_be64(pb, track->time);
919 put_be64(pb, track->time);
921 put_be32(pb, track->time); /* creation time */
922 put_be32(pb, track->time); /* modification time */
924 put_be32(pb, track->timescale); /* time scale (sample rate for audio) */
925 (version == 1) ? put_be64(pb, track->trackDuration) : put_be32(pb, track->trackDuration); /* duration */
926 put_be16(pb, track->language); /* language */
927 put_be16(pb, 0); /* reserved (quality) */
929 if(version!=0 && track->mode == MODE_MOV){
930 av_log(NULL, AV_LOG_ERROR,
931 "FATAL error, file duration too long for timebase, this file will not be\n"
932 "playable with quicktime. Choose a different timebase or a different\n"
933 "container format\n");
939 static int mov_write_mdia_tag(ByteIOContext *pb, MOVTrack *track)
941 offset_t pos = url_ftell(pb);
942 put_be32(pb, 0); /* size */
944 mov_write_mdhd_tag(pb, track);
945 mov_write_hdlr_tag(pb, track);
946 mov_write_minf_tag(pb, track);
947 return updateSize(pb, pos);
950 static int mov_write_tkhd_tag(ByteIOContext *pb, MOVTrack *track, AVStream *st)
952 int64_t duration = av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP);
953 int version = duration < INT32_MAX ? 0 : 1;
955 (version == 1) ? put_be32(pb, 104) : put_be32(pb, 92); /* size */
957 put_byte(pb, version);
958 put_be24(pb, 0xf); /* flags (track enabled) */
960 put_be64(pb, track->time);
961 put_be64(pb, track->time);
963 put_be32(pb, track->time); /* creation time */
964 put_be32(pb, track->time); /* modification time */
966 put_be32(pb, track->trackID); /* track-id */
967 put_be32(pb, 0); /* reserved */
968 (version == 1) ? put_be64(pb, duration) : put_be32(pb, duration);
970 put_be32(pb, 0); /* reserved */
971 put_be32(pb, 0); /* reserved */
972 put_be32(pb, 0x0); /* reserved (Layer & Alternate group) */
973 /* Volume, only for audio */
974 if(track->enc->codec_type == CODEC_TYPE_AUDIO)
975 put_be16(pb, 0x0100);
978 put_be16(pb, 0); /* reserved */
980 /* Matrix structure */
981 put_be32(pb, 0x00010000); /* reserved */
982 put_be32(pb, 0x0); /* reserved */
983 put_be32(pb, 0x0); /* reserved */
984 put_be32(pb, 0x0); /* reserved */
985 put_be32(pb, 0x00010000); /* reserved */
986 put_be32(pb, 0x0); /* reserved */
987 put_be32(pb, 0x0); /* reserved */
988 put_be32(pb, 0x0); /* reserved */
989 put_be32(pb, 0x40000000); /* reserved */
991 /* Track width and height, for visual only */
992 if(track->enc->codec_type == CODEC_TYPE_VIDEO) {
993 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
994 if(!sample_aspect_ratio) sample_aspect_ratio = 1;
995 put_be32(pb, sample_aspect_ratio * track->enc->width*0x10000);
996 put_be32(pb, track->enc->height*0x10000);
1005 // This box seems important for the psp playback ... without it the movie seems to hang
1006 static int mov_write_edts_tag(ByteIOContext *pb, MOVTrack *track)
1008 put_be32(pb, 0x24); /* size */
1009 put_tag(pb, "edts");
1010 put_be32(pb, 0x1c); /* size */
1011 put_tag(pb, "elst");
1015 put_be32(pb, av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP)); /* duration ... doesn't seem to effect psp */
1017 put_be32(pb, track->cluster[0].cts); /* first pts is cts since dts is 0 */
1018 put_be32(pb, 0x00010000);
1022 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1023 static int mov_write_uuid_tag_psp(ByteIOContext *pb, MOVTrack *mov)
1025 put_be32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1026 put_tag(pb, "uuid");
1027 put_tag(pb, "USMT");
1028 put_be32(pb, 0x21d24fce);
1029 put_be32(pb, 0xbb88695c);
1030 put_be32(pb, 0xfac9c740);
1031 put_be32(pb, 0x1c); // another size here!
1032 put_tag(pb, "MTDT");
1033 put_be32(pb, 0x00010012);
1035 put_be32(pb, 0x55c40000);
1041 static int mov_write_trak_tag(ByteIOContext *pb, MOVTrack *track, AVStream *st)
1043 offset_t pos = url_ftell(pb);
1044 put_be32(pb, 0); /* size */
1045 put_tag(pb, "trak");
1046 mov_write_tkhd_tag(pb, track, st);
1047 if (track->mode == MODE_PSP || track->hasBframes)
1048 mov_write_edts_tag(pb, track); // PSP Movies require edts box
1049 mov_write_mdia_tag(pb, track);
1050 if (track->mode == MODE_PSP)
1051 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
1052 return updateSize(pb, pos);
1056 /* TODO: Not sorted out, but not necessary either */
1057 static int mov_write_iods_tag(ByteIOContext *pb, MOVContext *mov)
1059 put_be32(pb, 0x15); /* size */
1060 put_tag(pb, "iods");
1061 put_be32(pb, 0); /* version & flags */
1062 put_be16(pb, 0x1007);
1064 put_be16(pb, 0x4fff);
1065 put_be16(pb, 0xfffe);
1066 put_be16(pb, 0x01ff);
1071 static int mov_write_mvhd_tag(ByteIOContext *pb, MOVContext *mov)
1073 int maxTrackID = 1, i;
1074 int64_t maxTrackLenTemp, maxTrackLen = 0;
1077 for (i=0; i<mov->nb_streams; i++) {
1078 if(mov->tracks[i].entry > 0) {
1079 maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration, globalTimescale, mov->tracks[i].timescale, AV_ROUND_UP);
1080 if(maxTrackLen < maxTrackLenTemp)
1081 maxTrackLen = maxTrackLenTemp;
1082 if(maxTrackID < mov->tracks[i].trackID)
1083 maxTrackID = mov->tracks[i].trackID;
1087 version = maxTrackLen < UINT32_MAX ? 0 : 1;
1088 (version == 1) ? put_be32(pb, 120) : put_be32(pb, 108); /* size */
1089 put_tag(pb, "mvhd");
1090 put_byte(pb, version);
1091 put_be24(pb, 0); /* flags */
1093 put_be64(pb, mov->time);
1094 put_be64(pb, mov->time);
1096 put_be32(pb, mov->time); /* creation time */
1097 put_be32(pb, mov->time); /* modification time */
1099 put_be32(pb, mov->timescale); /* timescale */
1100 (version == 1) ? put_be64(pb, maxTrackLen) : put_be32(pb, maxTrackLen); /* duration of longest track */
1102 put_be32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1103 put_be16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1104 put_be16(pb, 0); /* reserved */
1105 put_be32(pb, 0); /* reserved */
1106 put_be32(pb, 0); /* reserved */
1108 /* Matrix structure */
1109 put_be32(pb, 0x00010000); /* reserved */
1110 put_be32(pb, 0x0); /* reserved */
1111 put_be32(pb, 0x0); /* reserved */
1112 put_be32(pb, 0x0); /* reserved */
1113 put_be32(pb, 0x00010000); /* reserved */
1114 put_be32(pb, 0x0); /* reserved */
1115 put_be32(pb, 0x0); /* reserved */
1116 put_be32(pb, 0x0); /* reserved */
1117 put_be32(pb, 0x40000000); /* reserved */
1119 put_be32(pb, 0); /* reserved (preview time) */
1120 put_be32(pb, 0); /* reserved (preview duration) */
1121 put_be32(pb, 0); /* reserved (poster time) */
1122 put_be32(pb, 0); /* reserved (selection time) */
1123 put_be32(pb, 0); /* reserved (selection duration) */
1124 put_be32(pb, 0); /* reserved (current time) */
1125 put_be32(pb, maxTrackID+1); /* Next track id */
1129 static int mov_write_itunes_hdlr_tag(ByteIOContext *pb, MOVContext *mov,
1132 offset_t pos = url_ftell(pb);
1133 put_be32(pb, 0); /* size */
1134 put_tag(pb, "hdlr");
1137 put_tag(pb, "mdir");
1138 put_tag(pb, "appl");
1142 return updateSize(pb, pos);
1145 /* helper function to write a data tag with the specified string as data */
1146 static int mov_write_string_data_tag(ByteIOContext *pb, const char *data, int long_style)
1149 offset_t pos = url_ftell(pb);
1150 put_be32(pb, 0); /* size */
1151 put_tag(pb, "data");
1154 put_buffer(pb, data, strlen(data));
1155 return updateSize(pb, pos);
1157 put_be16(pb, strlen(data)); /* string length */
1159 put_buffer(pb, data, strlen(data));
1160 return strlen(data) + 4;
1164 static int mov_write_string_tag(ByteIOContext *pb, const char *name, const char *value, int long_style){
1166 if (value && value[0]) {
1167 offset_t pos = url_ftell(pb);
1168 put_be32(pb, 0); /* size */
1170 mov_write_string_data_tag(pb, value, long_style);
1171 size= updateSize(pb, pos);
1177 static int mov_write_day_tag(ByteIOContext *pb, int year, int long_style)
1181 snprintf(year_str, sizeof(year_str), "%04d", year);
1182 return mov_write_string_tag(pb, "\251day", year_str, long_style);
1187 /* iTunes track number */
1188 static int mov_write_trkn_tag(ByteIOContext *pb, MOVContext *mov,
1193 offset_t pos = url_ftell(pb);
1194 put_be32(pb, 0); /* size */
1195 put_tag(pb, "trkn");
1197 offset_t pos = url_ftell(pb);
1198 put_be32(pb, 0); /* size */
1199 put_tag(pb, "data");
1200 put_be32(pb, 0); // 8 bytes empty
1202 put_be16(pb, 0); // empty
1203 put_be16(pb, s->track); // track number
1204 put_be16(pb, 0); // total track number
1205 put_be16(pb, 0); // empty
1206 updateSize(pb, pos);
1208 size = updateSize(pb, pos);
1213 /* iTunes meta data list */
1214 static int mov_write_ilst_tag(ByteIOContext *pb, MOVContext *mov,
1217 offset_t pos = url_ftell(pb);
1218 put_be32(pb, 0); /* size */
1219 put_tag(pb, "ilst");
1220 mov_write_string_tag(pb, "\251nam", s->title , 1);
1221 mov_write_string_tag(pb, "\251ART", s->author , 1);
1222 mov_write_string_tag(pb, "\251wrt", s->author , 1);
1223 mov_write_string_tag(pb, "\251alb", s->album , 1);
1224 mov_write_day_tag(pb, s->year ,1);
1225 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 1);
1226 mov_write_string_tag(pb, "\251cmt", s->comment , 1);
1227 mov_write_string_tag(pb, "\251gen", s->genre , 1);
1228 mov_write_string_tag(pb, "\251cpy", s->copyright , 1);
1229 mov_write_trkn_tag(pb, mov, s);
1230 return updateSize(pb, pos);
1233 /* iTunes meta data tag */
1234 static int mov_write_meta_tag(ByteIOContext *pb, MOVContext *mov,
1239 // only save meta tag if required
1240 if (s->title[0] || s->author[0] || s->album[0] || s->year ||
1241 s->comment[0] || s->genre[0] || s->track) {
1242 offset_t pos = url_ftell(pb);
1243 put_be32(pb, 0); /* size */
1244 put_tag(pb, "meta");
1246 mov_write_itunes_hdlr_tag(pb, mov, s);
1247 mov_write_ilst_tag(pb, mov, s);
1248 size = updateSize(pb, pos);
1253 static int utf8len(const uint8_t *b)
1258 GET_UTF8(val, *b++, return -1;)
1264 static int ascii_to_wc(ByteIOContext *pb, const uint8_t *b)
1268 GET_UTF8(val, *b++, return -1;)
1275 static uint16_t language_code(const char *str)
1277 return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
1280 static int mov_write_3gp_udta_tag(ByteIOContext *pb, AVFormatContext *s,
1281 const char *tag, const char *str)
1283 offset_t pos = url_ftell(pb);
1286 put_be32(pb, 0); /* size */
1287 put_tag (pb, tag); /* type */
1288 put_be32(pb, 0); /* version + flags */
1289 if (!strcmp(tag, "yrrc"))
1290 put_be16(pb, s->year);
1292 put_be16(pb, language_code("eng")); /* language */
1293 ascii_to_wc(pb, str);
1294 if (!strcmp(tag, "albm") && s->year)
1295 put_byte(pb, s->year);
1297 return updateSize(pb, pos);
1300 static int mov_write_udta_tag(ByteIOContext *pb, MOVContext *mov,
1306 for (i = 0; i < s->nb_streams; i++)
1307 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
1312 if (!bitexact && (s->title[0] || s->author[0] || s->album[0] || s->year ||
1313 s->comment[0] || s->genre[0] || s->track)) {
1314 offset_t pos = url_ftell(pb);
1316 put_be32(pb, 0); /* size */
1317 put_tag(pb, "udta");
1319 if (mov->mode & MODE_3GP) {
1320 mov_write_3gp_udta_tag(pb, s, "titl", s->title);
1321 mov_write_3gp_udta_tag(pb, s, "auth", s->author);
1322 mov_write_3gp_udta_tag(pb, s, "gnre", s->genre);
1323 mov_write_3gp_udta_tag(pb, s, "dscp", s->comment);
1324 mov_write_3gp_udta_tag(pb, s, "albm", s->album);
1325 mov_write_3gp_udta_tag(pb, s, "cprt", s->copyright);
1326 mov_write_3gp_udta_tag(pb, s, "yrrc", "nil");
1327 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
1328 mov_write_string_tag(pb, "\251nam", s->title , 0);
1329 mov_write_string_tag(pb, "\251aut", s->author , 0);
1330 mov_write_string_tag(pb, "\251alb", s->album , 0);
1331 mov_write_day_tag(pb, s->year, 0);
1332 mov_write_string_tag(pb, "\251enc", LIBAVFORMAT_IDENT, 0);
1333 mov_write_string_tag(pb, "\251des", s->comment , 0);
1334 mov_write_string_tag(pb, "\251gen", s->genre , 0);
1335 mov_write_string_tag(pb, "\251cpy", s->copyright , 0);
1337 /* iTunes meta data */
1338 mov_write_meta_tag(pb, mov, s);
1340 return updateSize(pb, pos);
1346 static void mov_write_psp_udta_tag(ByteIOContext *pb,
1347 const char *str, const char *lang, int type)
1349 int len = utf8len(str)+1;
1352 put_be16(pb, len*2+10); /* size */
1353 put_be32(pb, type); /* type */
1354 put_be16(pb, language_code(lang)); /* language */
1355 put_be16(pb, 0x01); /* ? */
1356 ascii_to_wc(pb, str);
1359 static int mov_write_uuidusmt_tag(ByteIOContext *pb, AVFormatContext *s)
1364 pos = url_ftell(pb);
1365 put_be32(pb, 0); /* size placeholder*/
1366 put_tag(pb, "uuid");
1367 put_tag(pb, "USMT");
1368 put_be32(pb, 0x21d24fce); /* 96 bit UUID */
1369 put_be32(pb, 0xbb88695c);
1370 put_be32(pb, 0xfac9c740);
1372 pos2 = url_ftell(pb);
1373 put_be32(pb, 0); /* size placeholder*/
1374 put_tag(pb, "MTDT");
1378 put_be16(pb, 0x0C); /* size */
1379 put_be32(pb, 0x0B); /* type */
1380 put_be16(pb, language_code("und")); /* language */
1381 put_be16(pb, 0x0); /* ? */
1382 put_be16(pb, 0x021C); /* data */
1384 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
1385 mov_write_psp_udta_tag(pb, s->title, "eng", 0x01);
1386 // 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);
1387 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
1389 updateSize(pb, pos2);
1390 return updateSize(pb, pos);
1396 static int mov_write_moov_tag(ByteIOContext *pb, MOVContext *mov,
1400 offset_t pos = url_ftell(pb);
1401 put_be32(pb, 0); /* size placeholder*/
1402 put_tag(pb, "moov");
1403 mov->timescale = globalTimescale;
1405 for (i=0; i<mov->nb_streams; i++) {
1406 if(mov->tracks[i].entry <= 0) continue;
1408 mov->tracks[i].time = mov->time;
1409 mov->tracks[i].trackID = i+1;
1412 mov_write_mvhd_tag(pb, mov);
1413 //mov_write_iods_tag(pb, mov);
1414 for (i=0; i<mov->nb_streams; i++) {
1415 if(mov->tracks[i].entry > 0) {
1416 mov_write_trak_tag(pb, &(mov->tracks[i]), s->streams[i]);
1420 if (mov->mode == MODE_PSP)
1421 mov_write_uuidusmt_tag(pb, s);
1423 mov_write_udta_tag(pb, mov, s);
1425 return updateSize(pb, pos);
1428 static int mov_write_mdat_tag(ByteIOContext *pb, MOVContext *mov)
1430 put_be32(pb, 8); // placeholder for extended size field (64 bit)
1431 put_tag(pb, mov->mode == MODE_MOV ? "wide" : "free");
1433 mov->mdat_pos = url_ftell(pb);
1434 put_be32(pb, 0); /* size placeholder*/
1435 put_tag(pb, "mdat");
1439 /* TODO: This needs to be more general */
1440 static int mov_write_ftyp_tag(ByteIOContext *pb, AVFormatContext *s)
1442 MOVContext *mov = s->priv_data;
1443 offset_t pos = url_ftell(pb);
1444 int has_h264 = 0, has_video = 0;
1448 for (i = 0; i < s->nb_streams; i++) {
1449 AVStream *st = s->streams[i];
1450 if (st->codec->codec_type == CODEC_TYPE_VIDEO)
1452 if (st->codec->codec_id == CODEC_ID_H264)
1456 put_be32(pb, 0); /* size */
1457 put_tag(pb, "ftyp");
1459 if (mov->mode == MODE_3GP) {
1460 put_tag(pb, has_h264 ? "3gp6" : "3gp4");
1461 minor = has_h264 ? 0x100 : 0x200;
1462 } else if (mov->mode & MODE_3G2) {
1463 put_tag(pb, has_h264 ? "3g2b" : "3g2a");
1464 minor = has_h264 ? 0x20000 : 0x10000;
1465 }else if (mov->mode == MODE_PSP)
1466 put_tag(pb, "MSNV");
1467 else if (mov->mode == MODE_MP4)
1468 put_tag(pb, "isom");
1469 else if (mov->mode == MODE_IPOD)
1470 put_tag(pb, has_video ? "M4V ":"M4A ");
1474 put_be32(pb, minor);
1476 if(mov->mode == MODE_MOV)
1479 put_tag(pb, "isom");
1480 put_tag(pb, "iso2");
1482 put_tag(pb, "avc1");
1485 if (mov->mode == MODE_3GP)
1486 put_tag(pb, has_h264 ? "3gp6":"3gp4");
1487 else if (mov->mode & MODE_3G2)
1488 put_tag(pb, has_h264 ? "3g2b":"3g2a");
1489 else if (mov->mode == MODE_PSP)
1490 put_tag(pb, "MSNV");
1491 else if (mov->mode == MODE_MP4)
1492 put_tag(pb, "mp41");
1493 return updateSize(pb, pos);
1496 static void mov_write_uuidprof_tag(ByteIOContext *pb, AVFormatContext *s)
1498 AVCodecContext *VideoCodec = s->streams[0]->codec;
1499 AVCodecContext *AudioCodec = s->streams[1]->codec;
1500 int AudioRate = AudioCodec->sample_rate;
1501 int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num);
1502 int audio_kbitrate= AudioCodec->bit_rate / 1000;
1503 int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate);
1505 put_be32(pb, 0x94); /* size */
1506 put_tag(pb, "uuid");
1507 put_tag(pb, "PROF");
1509 put_be32(pb, 0x21d24fce); /* 96 bit UUID */
1510 put_be32(pb, 0xbb88695c);
1511 put_be32(pb, 0xfac9c740);
1513 put_be32(pb, 0x0); /* ? */
1514 put_be32(pb, 0x3); /* 3 sections ? */
1516 put_be32(pb, 0x14); /* size */
1517 put_tag(pb, "FPRF");
1518 put_be32(pb, 0x0); /* ? */
1519 put_be32(pb, 0x0); /* ? */
1520 put_be32(pb, 0x0); /* ? */
1522 put_be32(pb, 0x2c); /* size */
1523 put_tag(pb, "APRF"); /* audio */
1525 put_be32(pb, 0x2); /* TrackID */
1526 put_tag(pb, "mp4a");
1527 put_be32(pb, 0x20f);
1529 put_be32(pb, audio_kbitrate);
1530 put_be32(pb, audio_kbitrate);
1531 put_be32(pb, AudioRate);
1532 put_be32(pb, AudioCodec->channels);
1534 put_be32(pb, 0x34); /* size */
1535 put_tag(pb, "VPRF"); /* video */
1537 put_be32(pb, 0x1); /* TrackID */
1538 if (VideoCodec->codec_id == CODEC_ID_H264) {
1539 put_tag(pb, "avc1");
1540 put_be16(pb, 0x014D);
1541 put_be16(pb, 0x0015);
1543 put_tag(pb, "mp4v");
1544 put_be16(pb, 0x0000);
1545 put_be16(pb, 0x0103);
1548 put_be32(pb, video_kbitrate);
1549 put_be32(pb, video_kbitrate);
1550 put_be32(pb, FrameRate);
1551 put_be32(pb, FrameRate);
1552 put_be16(pb, VideoCodec->width);
1553 put_be16(pb, VideoCodec->height);
1554 put_be32(pb, 0x010001); /* ? */
1557 static int mov_write_header(AVFormatContext *s)
1559 ByteIOContext *pb = s->pb;
1560 MOVContext *mov = s->priv_data;
1563 if (url_is_streamed(s->pb)) {
1564 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
1568 /* Default mode == MP4 */
1569 mov->mode = MODE_MP4;
1571 if (s->oformat != NULL) {
1572 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
1573 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
1574 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
1575 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
1576 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
1578 mov_write_ftyp_tag(pb,s);
1579 if (mov->mode == MODE_PSP) {
1580 if (s->nb_streams != 2) {
1581 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
1584 mov_write_uuidprof_tag(pb,s);
1588 for(i=0; i<s->nb_streams; i++){
1589 AVStream *st= s->streams[i];
1590 MOVTrack *track= &mov->tracks[i];
1592 track->enc = st->codec;
1593 track->language = ff_mov_iso639_to_lang(st->language, mov->mode != MODE_MOV);
1594 track->mode = mov->mode;
1595 track->tag = mov_find_codec_tag(s, track);
1597 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
1598 "codec not currently supported in container\n", i);
1601 if(st->codec->codec_type == CODEC_TYPE_VIDEO){
1602 track->timescale = st->codec->time_base.den;
1603 av_set_pts_info(st, 64, 1, st->codec->time_base.den);
1604 if (track->mode == MODE_MOV && track->timescale > 100000)
1605 av_log(s, AV_LOG_WARNING,
1606 "WARNING codec timebase is very high. If duration is too long,\n"
1607 "file may not be playable by quicktime. Specify a shorter timebase\n"
1608 "or choose different container.\n");
1609 }else if(st->codec->codec_type == CODEC_TYPE_AUDIO){
1610 track->timescale = st->codec->sample_rate;
1611 av_set_pts_info(st, 64, 1, st->codec->sample_rate);
1612 if(!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
1613 av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
1615 }else if(st->codec->frame_size > 1){ /* assume compressed audio */
1616 track->audio_vbr = 1;
1618 st->codec->frame_size = 1;
1619 track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
1621 if(track->mode != MODE_MOV &&
1622 track->enc->codec_id == CODEC_ID_MP3 && track->enc->sample_rate < 16000){
1623 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
1624 i, track->enc->sample_rate);
1630 mov_write_mdat_tag(pb, mov);
1631 mov->time = s->timestamp + 0x7C25B080; //1970 based -> 1904 based
1632 mov->nb_streams = s->nb_streams;
1634 put_flush_packet(pb);
1639 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
1641 MOVContext *mov = s->priv_data;
1642 ByteIOContext *pb = s->pb;
1643 MOVTrack *trk = &mov->tracks[pkt->stream_index];
1644 AVCodecContext *enc = trk->enc;
1645 unsigned int samplesInChunk = 0;
1646 int size= pkt->size;
1648 if (url_is_streamed(s->pb)) return 0; /* Can't handle that */
1649 if (!size) return 0; /* Discard 0 sized packets */
1651 if (enc->codec_id == CODEC_ID_AMR_NB) {
1652 /* We must find out how many AMR blocks there are in one packet */
1653 static uint16_t packed_size[16] =
1654 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 0};
1657 while (len < size && samplesInChunk < 100) {
1658 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
1661 if(samplesInChunk > 1){
1662 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
1665 } else if (trk->sampleSize)
1666 samplesInChunk = size/trk->sampleSize;
1670 /* copy extradata if it exists */
1671 if (trk->vosLen == 0 && enc->extradata_size > 0) {
1672 trk->vosLen = enc->extradata_size;
1673 trk->vosData = av_malloc(trk->vosLen);
1674 memcpy(trk->vosData, enc->extradata, trk->vosLen);
1677 if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) {
1678 /* from x264 or from bytestream h264 */
1679 /* nal reformating needed */
1680 int ret = ff_avc_parse_nal_units(pkt->data, &pkt->data, &pkt->size);
1685 } else if ((enc->codec_id == CODEC_ID_DNXHD ||
1686 enc->codec_id == CODEC_ID_AC3) && !trk->vosLen) {
1687 /* copy frame to create needed atoms */
1689 trk->vosData = av_malloc(size);
1691 return AVERROR(ENOMEM);
1692 memcpy(trk->vosData, pkt->data, size);
1695 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
1696 trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster));
1701 trk->cluster[trk->entry].pos = url_ftell(pb);
1702 trk->cluster[trk->entry].samplesInChunk = samplesInChunk;
1703 trk->cluster[trk->entry].size = size;
1704 trk->cluster[trk->entry].entries = samplesInChunk;
1705 trk->cluster[trk->entry].dts = pkt->dts;
1706 trk->trackDuration = pkt->dts - trk->cluster[0].dts + pkt->duration;
1708 if (pkt->pts == AV_NOPTS_VALUE) {
1709 av_log(s, AV_LOG_WARNING, "pts has no value\n");
1710 pkt->pts = pkt->dts;
1712 if (pkt->dts != pkt->pts)
1713 trk->hasBframes = 1;
1714 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
1715 trk->cluster[trk->entry].key_frame = !!(pkt->flags & PKT_FLAG_KEY);
1716 if(trk->cluster[trk->entry].key_frame)
1717 trk->hasKeyframes++;
1719 trk->sampleCount += samplesInChunk;
1720 mov->mdat_size += size;
1722 put_buffer(pb, pkt->data, size);
1724 put_flush_packet(pb);
1728 static int mov_write_trailer(AVFormatContext *s)
1730 MOVContext *mov = s->priv_data;
1731 ByteIOContext *pb = s->pb;
1735 offset_t moov_pos = url_ftell(pb);
1737 /* Write size of mdat tag */
1738 if (mov->mdat_size+8 <= UINT32_MAX) {
1739 url_fseek(pb, mov->mdat_pos, SEEK_SET);
1740 put_be32(pb, mov->mdat_size+8);
1742 /* overwrite 'wide' placeholder atom */
1743 url_fseek(pb, mov->mdat_pos - 8, SEEK_SET);
1744 put_be32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */
1745 put_tag(pb, "mdat");
1746 put_be64(pb, mov->mdat_size+16);
1748 url_fseek(pb, moov_pos, SEEK_SET);
1750 mov_write_moov_tag(pb, mov, s);
1752 for (i=0; i<mov->nb_streams; i++) {
1753 av_freep(&mov->tracks[i].cluster);
1755 if(mov->tracks[i].vosLen) av_free(mov->tracks[i].vosData);
1759 put_flush_packet(pb);
1764 #ifdef CONFIG_MOV_MUXER
1765 AVOutputFormat mov_muxer = {
1767 NULL_IF_CONFIG_SMALL("MOV format"),
1776 .flags = AVFMT_GLOBALHEADER,
1777 .codec_tag = (const AVCodecTag* const []){codec_movvideo_tags, codec_movaudio_tags, 0},
1780 #ifdef CONFIG_TGP_MUXER
1781 AVOutputFormat tgp_muxer = {
1783 NULL_IF_CONFIG_SMALL("3GP format"),
1792 .flags = AVFMT_GLOBALHEADER,
1793 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
1796 #ifdef CONFIG_MP4_MUXER
1797 AVOutputFormat mp4_muxer = {
1799 NULL_IF_CONFIG_SMALL("MP4 format"),
1808 .flags = AVFMT_GLOBALHEADER,
1809 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
1812 #ifdef CONFIG_PSP_MUXER
1813 AVOutputFormat psp_muxer = {
1815 NULL_IF_CONFIG_SMALL("PSP MP4 format"),
1824 .flags = AVFMT_GLOBALHEADER,
1825 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
1828 #ifdef CONFIG_TG2_MUXER
1829 AVOutputFormat tg2_muxer = {
1831 NULL_IF_CONFIG_SMALL("3GP2 format"),
1840 .flags = AVFMT_GLOBALHEADER,
1841 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
1844 #ifdef CONFIG_IPOD_MUXER
1845 AVOutputFormat ipod_muxer = {
1847 NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"),
1856 .flags = AVFMT_GLOBALHEADER,
1857 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},