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
72 int height; ///< active picture (w/o VBI) height for D-10/IMX
75 typedef struct MOVMuxContext {
82 MOVTrack tracks[MAX_STREAMS];
85 //FIXME support 64 bit variant with wide placeholders
86 static int64_t updateSize(ByteIOContext *pb, int64_t pos)
88 int64_t curpos = url_ftell(pb);
89 url_fseek(pb, pos, SEEK_SET);
90 put_be32(pb, curpos - pos); /* rewrite size */
91 url_fseek(pb, curpos, SEEK_SET);
96 /* Chunk offset atom */
97 static int mov_write_stco_tag(ByteIOContext *pb, MOVTrack *track)
100 int mode64 = 0; // use 32 bit size variant if possible
101 int64_t pos = url_ftell(pb);
102 put_be32(pb, 0); /* size */
103 if (pos > UINT32_MAX) {
108 put_be32(pb, 0); /* version & flags */
109 put_be32(pb, track->entry); /* entry count */
110 for (i=0; i<track->entry; i++) {
112 put_be64(pb, track->cluster[i].pos);
114 put_be32(pb, track->cluster[i].pos);
116 return updateSize(pb, pos);
119 /* Sample size atom */
120 static int mov_write_stsz_tag(ByteIOContext *pb, MOVTrack *track)
123 int i, j, entries = 0, tst = -1, oldtst = -1;
125 int64_t pos = url_ftell(pb);
126 put_be32(pb, 0); /* size */
128 put_be32(pb, 0); /* version & flags */
130 for (i=0; i<track->entry; i++) {
131 tst = track->cluster[i].size/track->cluster[i].entries;
132 if(oldtst != -1 && tst != oldtst) {
136 entries += track->cluster[i].entries;
139 int sSize = track->cluster[0].size/track->cluster[0].entries;
140 put_be32(pb, sSize); // sample size
141 put_be32(pb, entries); // sample count
144 put_be32(pb, 0); // sample size
145 put_be32(pb, entries); // sample count
146 for (i=0; i<track->entry; i++) {
147 for (j=0; j<track->cluster[i].entries; j++) {
148 put_be32(pb, track->cluster[i].size /
149 track->cluster[i].entries);
153 return updateSize(pb, pos);
156 /* Sample to chunk atom */
157 static int mov_write_stsc_tag(ByteIOContext *pb, MOVTrack *track)
159 int index = 0, oldval = -1, i;
160 int64_t entryPos, curpos;
162 int64_t pos = url_ftell(pb);
163 put_be32(pb, 0); /* size */
165 put_be32(pb, 0); // version & flags
166 entryPos = url_ftell(pb);
167 put_be32(pb, track->entry); // entry count
168 for (i=0; i<track->entry; i++) {
169 if(oldval != track->cluster[i].samplesInChunk)
171 put_be32(pb, i+1); // first chunk
172 put_be32(pb, track->cluster[i].samplesInChunk); // samples per chunk
173 put_be32(pb, 0x1); // sample description index
174 oldval = track->cluster[i].samplesInChunk;
178 curpos = url_ftell(pb);
179 url_fseek(pb, entryPos, SEEK_SET);
180 put_be32(pb, index); // rewrite size
181 url_fseek(pb, curpos, SEEK_SET);
183 return updateSize(pb, pos);
186 /* Sync sample atom */
187 static int mov_write_stss_tag(ByteIOContext *pb, MOVTrack *track)
189 int64_t curpos, entryPos;
191 int64_t pos = url_ftell(pb);
192 put_be32(pb, 0); // size
194 put_be32(pb, 0); // version & flags
195 entryPos = url_ftell(pb);
196 put_be32(pb, track->entry); // entry count
197 for (i=0; i<track->entry; i++) {
198 if(track->cluster[i].key_frame == 1) {
203 curpos = url_ftell(pb);
204 url_fseek(pb, entryPos, SEEK_SET);
205 put_be32(pb, index); // rewrite size
206 url_fseek(pb, curpos, SEEK_SET);
207 return updateSize(pb, pos);
210 static int mov_write_amr_tag(ByteIOContext *pb, MOVTrack *track)
212 put_be32(pb, 0x11); /* size */
213 if (track->mode == MODE_MOV) put_tag(pb, "samr");
214 else put_tag(pb, "damr");
216 put_byte(pb, 0); /* decoder version */
218 put_be16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
219 put_byte(pb, 0x00); /* Mode change period (no restriction) */
220 put_byte(pb, 0x01); /* Frames per sample */
224 static int mov_write_ac3_tag(ByteIOContext *pb, MOVTrack *track)
229 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
231 if (track->vosLen < 7)
237 init_get_bits(&gbc, track->vosData+4, track->vosLen-4);
238 fscod = get_bits(&gbc, 2);
239 frmsizecod = get_bits(&gbc, 6);
240 bsid = get_bits(&gbc, 5);
241 bsmod = get_bits(&gbc, 3);
242 acmod = get_bits(&gbc, 3);
244 skip_bits(&gbc, 2); // dsurmod
246 if ((acmod & 1) && acmod != 1)
247 skip_bits(&gbc, 2); // cmixlev
249 skip_bits(&gbc, 2); // surmixlev
251 lfeon = get_bits1(&gbc);
253 init_put_bits(&pbc, buf, sizeof(buf));
254 put_bits(&pbc, 2, fscod);
255 put_bits(&pbc, 5, bsid);
256 put_bits(&pbc, 3, bsmod);
257 put_bits(&pbc, 3, acmod);
258 put_bits(&pbc, 1, lfeon);
259 put_bits(&pbc, 5, frmsizecod>>1); // bit_rate_code
260 put_bits(&pbc, 5, 0); // reserved
262 flush_put_bits(&pbc);
263 put_buffer(pb, buf, sizeof(buf));
269 * This function writes extradata "as is".
270 * Extradata must be formated like a valid atom (with size and tag)
272 static int mov_write_extradata_tag(ByteIOContext *pb, MOVTrack *track)
274 put_buffer(pb, track->enc->extradata, track->enc->extradata_size);
275 return track->enc->extradata_size;
278 static int mov_write_enda_tag(ByteIOContext *pb)
282 put_be16(pb, 1); /* little endian */
286 static unsigned int descrLength(unsigned int len)
289 for(i=1; len>>(7*i); i++);
293 static void putDescr(ByteIOContext *pb, int tag, unsigned int size)
295 int i= descrLength(size) - size - 2;
298 put_byte(pb, (size>>(7*i)) | 0x80);
299 put_byte(pb, size & 0x7F);
302 static int mov_write_esds_tag(ByteIOContext *pb, MOVTrack *track) // Basic
304 int64_t pos = url_ftell(pb);
305 int decoderSpecificInfoLen = track->vosLen ? descrLength(track->vosLen):0;
307 put_be32(pb, 0); // size
309 put_be32(pb, 0); // Version
312 putDescr(pb, 0x03, 3 + descrLength(13 + decoderSpecificInfoLen) +
314 put_be16(pb, track->trackID);
315 put_byte(pb, 0x00); // flags (= no flags)
317 // DecoderConfig descriptor
318 putDescr(pb, 0x04, 13 + decoderSpecificInfoLen);
320 // Object type indication
321 if ((track->enc->codec_id == CODEC_ID_MP2 ||
322 track->enc->codec_id == CODEC_ID_MP3) &&
323 track->enc->sample_rate > 24000)
324 put_byte(pb, 0x6B); // 11172-3
326 put_byte(pb, codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
328 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
329 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
330 if(track->enc->codec_type == CODEC_TYPE_AUDIO)
331 put_byte(pb, 0x15); // flags (= Audiostream)
333 put_byte(pb, 0x11); // flags (= Visualstream)
335 put_byte(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits)
336 put_be16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB
338 put_be32(pb, FFMAX(track->enc->bit_rate, track->enc->rc_max_rate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
339 if(track->enc->rc_max_rate != track->enc->rc_min_rate || track->enc->rc_min_rate==0)
340 put_be32(pb, 0); // vbr
342 put_be32(pb, track->enc->rc_max_rate); // avg bitrate
345 // DecoderSpecific info descriptor
346 putDescr(pb, 0x05, track->vosLen);
347 put_buffer(pb, track->vosData, track->vosLen);
351 putDescr(pb, 0x06, 1);
353 return updateSize(pb, pos);
356 static int mov_write_wave_tag(ByteIOContext *pb, MOVTrack *track)
358 int64_t pos = url_ftell(pb);
360 put_be32(pb, 0); /* size */
363 put_be32(pb, 12); /* size */
365 put_le32(pb, track->tag);
367 if (track->enc->codec_id == CODEC_ID_AAC) {
368 /* useless atom needed by mplayer, ipod, not needed by quicktime */
369 put_be32(pb, 12); /* size */
372 mov_write_esds_tag(pb, track);
373 } else if (track->enc->codec_id == CODEC_ID_PCM_S24LE ||
374 track->enc->codec_id == CODEC_ID_PCM_S32LE) {
375 mov_write_enda_tag(pb);
376 } else if (track->enc->codec_id == CODEC_ID_AMR_NB) {
377 mov_write_amr_tag(pb, track);
378 } else if (track->enc->codec_id == CODEC_ID_AC3) {
379 mov_write_ac3_tag(pb, track);
380 } else if (track->enc->codec_id == CODEC_ID_ALAC) {
381 mov_write_extradata_tag(pb, track);
384 put_be32(pb, 8); /* size */
385 put_be32(pb, 0); /* null tag */
387 return updateSize(pb, pos);
390 static int mov_write_glbl_tag(ByteIOContext *pb, MOVTrack *track)
392 put_be32(pb, track->vosLen+8);
394 put_buffer(pb, track->vosData, track->vosLen);
395 return 8+track->vosLen;
398 static int mov_write_audio_tag(ByteIOContext *pb, MOVTrack *track)
400 int64_t pos = url_ftell(pb);
401 int version = track->mode == MODE_MOV &&
403 track->enc->codec_id == CODEC_ID_PCM_S32LE ||
404 track->enc->codec_id == CODEC_ID_PCM_S24LE);
406 put_be32(pb, 0); /* size */
407 put_le32(pb, track->tag); // store it byteswapped
408 put_be32(pb, 0); /* Reserved */
409 put_be16(pb, 0); /* Reserved */
410 put_be16(pb, 1); /* Data-reference index, XXX == 1 */
412 /* SoundDescription */
413 put_be16(pb, version); /* Version */
414 put_be16(pb, 0); /* Revision level */
415 put_be32(pb, 0); /* Reserved */
417 if (track->mode == MODE_MOV) {
418 put_be16(pb, track->enc->channels);
419 if (track->enc->codec_id == CODEC_ID_PCM_U8 ||
420 track->enc->codec_id == CODEC_ID_PCM_S8)
421 put_be16(pb, 8); /* bits per sample */
424 put_be16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
425 } else { /* reserved for mp4/3gp */
431 put_be16(pb, 0); /* packet size (= 0) */
432 put_be16(pb, track->timescale); /* Time scale */
433 put_be16(pb, 0); /* Reserved */
435 if(version == 1) { /* SoundDescription V1 extended info */
436 put_be32(pb, track->enc->frame_size); /* Samples per packet */
437 put_be32(pb, track->sampleSize / track->enc->channels); /* Bytes per packet */
438 put_be32(pb, track->sampleSize); /* Bytes per frame */
439 put_be32(pb, 2); /* Bytes per sample */
442 if(track->mode == MODE_MOV &&
443 (track->enc->codec_id == CODEC_ID_AAC ||
444 track->enc->codec_id == CODEC_ID_AC3 ||
445 track->enc->codec_id == CODEC_ID_AMR_NB ||
446 track->enc->codec_id == CODEC_ID_PCM_S24LE ||
447 track->enc->codec_id == CODEC_ID_PCM_S32LE ||
448 track->enc->codec_id == CODEC_ID_ALAC))
449 mov_write_wave_tag(pb, track);
450 else if(track->tag == MKTAG('m','p','4','a'))
451 mov_write_esds_tag(pb, track);
452 else if(track->enc->codec_id == CODEC_ID_AMR_NB)
453 mov_write_amr_tag(pb, track);
454 else if(track->enc->codec_id == CODEC_ID_AC3)
455 mov_write_ac3_tag(pb, track);
456 else if(track->enc->codec_id == CODEC_ID_ALAC)
457 mov_write_extradata_tag(pb, track);
458 else if(track->vosLen > 0)
459 mov_write_glbl_tag(pb, track);
461 return updateSize(pb, pos);
464 static int mov_write_d263_tag(ByteIOContext *pb)
466 put_be32(pb, 0xf); /* size */
469 put_byte(pb, 0); /* decoder version */
470 /* FIXME use AVCodecContext level/profile, when encoder will set values */
471 put_byte(pb, 0xa); /* level */
472 put_byte(pb, 0); /* profile */
476 /* TODO: No idea about these values */
477 static int mov_write_svq3_tag(ByteIOContext *pb)
483 put_be32(pb, 0xe2c0211d);
484 put_be32(pb, 0xc0000000);
489 static int mov_write_avcc_tag(ByteIOContext *pb, MOVTrack *track)
491 int64_t pos = url_ftell(pb);
495 ff_isom_write_avcc(pb, track->vosData, track->vosLen);
496 return updateSize(pb, pos);
499 /* also used by all avid codecs (dv, imx, meridien) and their variants */
500 static int mov_write_avid_tag(ByteIOContext *pb, MOVTrack *track)
503 put_be32(pb, 24); /* size */
507 put_be32(pb, 1); /* yuv 1 / rgb 2 ? */
508 put_be32(pb, 0); /* unknown */
510 put_be32(pb, 24); /* size */
514 put_be32(pb, 1); /* unknown */
515 put_be32(pb, 0); /* unknown */
517 put_be32(pb, 120); /* size */
521 put_be32(pb, AV_RB32(track->vosData + 0x28)); /* dnxhd cid, some id ? */
522 put_be32(pb, track->enc->width);
523 /* values below are based on samples created with quicktime and avid codecs */
524 if (track->vosData[5] & 2) { // interlaced
525 put_be32(pb, track->enc->height/2);
526 put_be32(pb, 2); /* unknown */
527 put_be32(pb, 0); /* unknown */
528 put_be32(pb, 4); /* unknown */
530 put_be32(pb, track->enc->height);
531 put_be32(pb, 1); /* unknown */
532 put_be32(pb, 0); /* unknown */
533 if (track->enc->height == 1080)
534 put_be32(pb, 5); /* unknown */
536 put_be32(pb, 6); /* unknown */
539 for (i = 0; i < 10; i++)
542 /* extra padding for stsd needed */
547 static const AVCodecTag codec_3gp_tags[] = {
548 { CODEC_ID_H263, MKTAG('s','2','6','3') },
549 { CODEC_ID_H264, MKTAG('a','v','c','1') },
550 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
551 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
552 { CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
553 { CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
554 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
555 { CODEC_ID_NONE, 0 },
558 static const AVCodecTag mov_pix_fmt_tags[] = {
559 { PIX_FMT_YUYV422, MKTAG('y','u','v','s') },
560 { PIX_FMT_UYVY422, MKTAG('2','v','u','y') },
561 { PIX_FMT_BGR555, MKTAG('r','a','w',' ') },
562 { PIX_FMT_RGB24, MKTAG('r','a','w',' ') },
563 { PIX_FMT_BGR32_1, MKTAG('r','a','w',' ') },
566 static const AVCodecTag codec_ipod_tags[] = {
567 { CODEC_ID_H264, MKTAG('a','v','c','1') },
568 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
569 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
570 { CODEC_ID_ALAC, MKTAG('a','l','a','c') },
571 { CODEC_ID_AC3, MKTAG('a','c','-','3') },
572 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
573 { CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
574 { CODEC_ID_NONE, 0 },
577 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
579 int tag = track->enc->codec_tag;
580 if (track->mode == MODE_MP4 || track->mode == MODE_PSP) {
581 if (!codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
583 if (track->enc->codec_id == CODEC_ID_H264) tag = MKTAG('a','v','c','1');
584 else if (track->enc->codec_id == CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
585 else if (track->enc->codec_id == CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
586 else if (track->enc->codec_id == CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
587 else if (track->enc->codec_type == CODEC_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
588 else if (track->enc->codec_type == CODEC_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
589 } else if (track->mode == MODE_IPOD) {
590 if (track->enc->codec_type == CODEC_TYPE_SUBTITLE &&
591 (tag == MKTAG('t','x','3','g') ||
592 tag == MKTAG('t','e','x','t')))
593 track->tag = tag; // keep original tag
595 tag = codec_get_tag(codec_ipod_tags, track->enc->codec_id);
596 if (!match_ext(s->filename, "m4a") && !match_ext(s->filename, "m4v"))
597 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
598 "Quicktime/Ipod might not play the file\n");
599 } else if (track->mode & MODE_3GP) {
600 tag = codec_get_tag(codec_3gp_tags, track->enc->codec_id);
601 } else if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
602 (tag == MKTAG('d','v','c','p') ||
603 track->enc->codec_id == CODEC_ID_RAWVIDEO))) {
604 if (track->enc->codec_id == CODEC_ID_DVVIDEO) {
605 if (track->enc->height == 480) /* NTSC */
606 if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
607 else tag = MKTAG('d','v','c',' ');
608 else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
609 else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
610 else tag = MKTAG('d','v','p','p');
611 } else if (track->enc->codec_id == CODEC_ID_RAWVIDEO) {
612 tag = codec_get_tag(mov_pix_fmt_tags, track->enc->pix_fmt);
613 if (!tag) // restore tag
614 tag = track->enc->codec_tag;
616 if (track->enc->codec_type == CODEC_TYPE_VIDEO) {
617 tag = codec_get_tag(codec_movvideo_tags, track->enc->codec_id);
618 if (!tag) { // if no mac fcc found, try with Microsoft tags
619 tag = codec_get_tag(codec_bmp_tags, track->enc->codec_id);
621 av_log(s, AV_LOG_INFO, "Warning, using MS style video codec tag, "
622 "the file may be unplayable!\n");
624 } else if (track->enc->codec_type == CODEC_TYPE_AUDIO) {
625 tag = codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
626 if (!tag) { // if no mac fcc found, try with Microsoft tags
627 int ms_tag = codec_get_tag(codec_wav_tags, track->enc->codec_id);
629 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
630 av_log(s, AV_LOG_INFO, "Warning, using MS style audio codec tag, "
631 "the file may be unplayable!\n");
634 } else if (track->enc->codec_type == CODEC_TYPE_SUBTITLE) {
635 tag = codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
643 * Needed to make file play in iPods running newest firmware
644 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
646 static int mov_write_uuid_tag_ipod(ByteIOContext *pb)
650 put_be32(pb, 0x6b6840f2);
651 put_be32(pb, 0x5f244fc5);
652 put_be32(pb, 0xba39a51b);
653 put_be32(pb, 0xcf0323f3);
658 static int mov_write_subtitle_tag(ByteIOContext *pb, MOVTrack *track)
660 int64_t pos = url_ftell(pb);
661 put_be32(pb, 0); /* size */
662 put_le32(pb, track->tag); // store it byteswapped
663 put_be32(pb, 0); /* Reserved */
664 put_be16(pb, 0); /* Reserved */
665 put_be16(pb, 1); /* Data-reference index */
667 if (track->enc->extradata_size)
668 put_buffer(pb, track->enc->extradata, track->enc->extradata_size);
670 return updateSize(pb, pos);
673 static int mov_write_video_tag(ByteIOContext *pb, MOVTrack *track)
675 int64_t pos = url_ftell(pb);
676 char compressor_name[32];
678 put_be32(pb, 0); /* size */
679 put_le32(pb, track->tag); // store it byteswapped
680 put_be32(pb, 0); /* Reserved */
681 put_be16(pb, 0); /* Reserved */
682 put_be16(pb, 1); /* Data-reference index */
684 put_be16(pb, 0); /* Codec stream version */
685 put_be16(pb, 0); /* Codec stream revision (=0) */
686 if (track->mode == MODE_MOV) {
687 put_tag(pb, "FFMP"); /* Vendor */
688 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
689 put_be32(pb, 0); /* Temporal Quality */
690 put_be32(pb, 0x400); /* Spatial Quality = lossless*/
692 put_be32(pb, 0x200); /* Temporal Quality = normal */
693 put_be32(pb, 0x200); /* Spatial Quality = normal */
696 put_be32(pb, 0); /* Reserved */
697 put_be32(pb, 0); /* Reserved */
698 put_be32(pb, 0); /* Reserved */
700 put_be16(pb, track->enc->width); /* Video width */
701 put_be16(pb, track->height); /* Video height */
702 put_be32(pb, 0x00480000); /* Horizontal resolution 72dpi */
703 put_be32(pb, 0x00480000); /* Vertical resolution 72dpi */
704 put_be32(pb, 0); /* Data size (= 0) */
705 put_be16(pb, 1); /* Frame count (= 1) */
707 memset(compressor_name,0,32);
708 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
709 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
710 strncpy(compressor_name,track->enc->codec->name,31);
711 put_byte(pb, strlen(compressor_name));
712 put_buffer(pb, compressor_name, 31);
714 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
715 put_be16(pb, track->enc->bits_per_coded_sample);
717 put_be16(pb, 0x18); /* Reserved */
718 put_be16(pb, 0xffff); /* Reserved */
719 if(track->tag == MKTAG('m','p','4','v'))
720 mov_write_esds_tag(pb, track);
721 else if(track->enc->codec_id == CODEC_ID_H263)
722 mov_write_d263_tag(pb);
723 else if(track->enc->codec_id == CODEC_ID_SVQ3)
724 mov_write_svq3_tag(pb);
725 else if(track->enc->codec_id == CODEC_ID_DNXHD)
726 mov_write_avid_tag(pb, track);
727 else if(track->enc->codec_id == CODEC_ID_H264) {
728 mov_write_avcc_tag(pb, track);
729 if(track->mode == MODE_IPOD)
730 mov_write_uuid_tag_ipod(pb);
731 } else if(track->vosLen > 0)
732 mov_write_glbl_tag(pb, track);
734 return updateSize(pb, pos);
737 static int mov_write_stsd_tag(ByteIOContext *pb, MOVTrack *track)
739 int64_t pos = url_ftell(pb);
740 put_be32(pb, 0); /* size */
742 put_be32(pb, 0); /* version & flags */
743 put_be32(pb, 1); /* entry count */
744 if (track->enc->codec_type == CODEC_TYPE_VIDEO)
745 mov_write_video_tag(pb, track);
746 else if (track->enc->codec_type == CODEC_TYPE_AUDIO)
747 mov_write_audio_tag(pb, track);
748 else if (track->enc->codec_type == CODEC_TYPE_SUBTITLE)
749 mov_write_subtitle_tag(pb, track);
750 return updateSize(pb, pos);
753 static int mov_write_ctts_tag(ByteIOContext *pb, MOVTrack *track)
755 MOVStts *ctts_entries;
756 uint32_t entries = 0;
760 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
761 ctts_entries[0].count = 1;
762 ctts_entries[0].duration = track->cluster[0].cts;
763 for (i=1; i<track->entry; i++) {
764 if (track->cluster[i].cts == ctts_entries[entries].duration) {
765 ctts_entries[entries].count++; /* compress */
768 ctts_entries[entries].duration = track->cluster[i].cts;
769 ctts_entries[entries].count = 1;
772 entries++; /* last one */
773 atom_size = 16 + (entries * 8);
774 put_be32(pb, atom_size); /* size */
776 put_be32(pb, 0); /* version & flags */
777 put_be32(pb, entries); /* entry count */
778 for (i=0; i<entries; i++) {
779 put_be32(pb, ctts_entries[i].count);
780 put_be32(pb, ctts_entries[i].duration);
782 av_free(ctts_entries);
786 /* Time to sample atom */
787 static int mov_write_stts_tag(ByteIOContext *pb, MOVTrack *track)
789 MOVStts *stts_entries;
790 uint32_t entries = -1;
794 if (track->enc->codec_type == CODEC_TYPE_AUDIO && !track->audio_vbr) {
795 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
796 stts_entries[0].count = track->sampleCount;
797 stts_entries[0].duration = 1;
800 stts_entries = av_malloc(track->entry * sizeof(*stts_entries)); /* worst case */
801 for (i=0; i<track->entry; i++) {
802 int64_t duration = i + 1 == track->entry ?
803 track->trackDuration - track->cluster[i].dts + track->cluster[0].dts : /* readjusting */
804 track->cluster[i+1].dts - track->cluster[i].dts;
805 if (i && duration == stts_entries[entries].duration) {
806 stts_entries[entries].count++; /* compress */
809 stts_entries[entries].duration = duration;
810 stts_entries[entries].count = 1;
813 entries++; /* last one */
815 atom_size = 16 + (entries * 8);
816 put_be32(pb, atom_size); /* size */
818 put_be32(pb, 0); /* version & flags */
819 put_be32(pb, entries); /* entry count */
820 for (i=0; i<entries; i++) {
821 put_be32(pb, stts_entries[i].count);
822 put_be32(pb, stts_entries[i].duration);
824 av_free(stts_entries);
828 static int mov_write_dref_tag(ByteIOContext *pb)
830 put_be32(pb, 28); /* size */
832 put_be32(pb, 0); /* version & flags */
833 put_be32(pb, 1); /* entry count */
835 put_be32(pb, 0xc); /* size */
837 put_be32(pb, 1); /* version & flags */
842 static int mov_write_stbl_tag(ByteIOContext *pb, MOVTrack *track)
844 int64_t pos = url_ftell(pb);
845 put_be32(pb, 0); /* size */
847 mov_write_stsd_tag(pb, track);
848 mov_write_stts_tag(pb, track);
849 if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
850 track->hasKeyframes && track->hasKeyframes < track->entry)
851 mov_write_stss_tag(pb, track);
852 if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
854 mov_write_ctts_tag(pb, track);
855 mov_write_stsc_tag(pb, track);
856 mov_write_stsz_tag(pb, track);
857 mov_write_stco_tag(pb, track);
858 return updateSize(pb, pos);
861 static int mov_write_dinf_tag(ByteIOContext *pb)
863 int64_t pos = url_ftell(pb);
864 put_be32(pb, 0); /* size */
866 mov_write_dref_tag(pb);
867 return updateSize(pb, pos);
870 static int mov_write_nmhd_tag(ByteIOContext *pb)
878 static int mov_write_gmhd_tag(ByteIOContext *pb)
880 put_be32(pb, 0x20); /* size */
882 put_be32(pb, 0x18); /* gmin size */
883 put_tag(pb, "gmin"); /* generic media info */
884 put_be32(pb, 0); /* version & flags */
885 put_be16(pb, 0x40); /* graphics mode = */
886 put_be16(pb, 0x8000); /* opColor (r?) */
887 put_be16(pb, 0x8000); /* opColor (g?) */
888 put_be16(pb, 0x8000); /* opColor (b?) */
889 put_be16(pb, 0); /* balance */
890 put_be16(pb, 0); /* reserved */
894 static int mov_write_smhd_tag(ByteIOContext *pb)
896 put_be32(pb, 16); /* size */
898 put_be32(pb, 0); /* version & flags */
899 put_be16(pb, 0); /* reserved (balance, normally = 0) */
900 put_be16(pb, 0); /* reserved */
904 static int mov_write_vmhd_tag(ByteIOContext *pb)
906 put_be32(pb, 0x14); /* size (always 0x14) */
908 put_be32(pb, 0x01); /* version & flags */
909 put_be64(pb, 0); /* reserved (graphics mode = copy) */
913 static int mov_write_hdlr_tag(ByteIOContext *pb, MOVTrack *track)
915 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
916 int64_t pos = url_ftell(pb);
918 if (!track) { /* no media --> data handler */
921 descr = "DataHandler";
923 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
924 if (track->enc->codec_type == CODEC_TYPE_VIDEO) {
926 descr = "VideoHandler";
927 } else if (track->enc->codec_type == CODEC_TYPE_AUDIO) {
929 descr = "SoundHandler";
930 } else if (track->enc->codec_type == CODEC_TYPE_SUBTITLE) {
931 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
932 else hdlr_type = "text";
933 descr = "SubtitleHandler";
937 put_be32(pb, 0); /* size */
939 put_be32(pb, 0); /* Version & flags */
940 put_buffer(pb, hdlr, 4); /* handler */
941 put_tag(pb, hdlr_type); /* handler type */
942 put_be32(pb ,0); /* reserved */
943 put_be32(pb ,0); /* reserved */
944 put_be32(pb ,0); /* reserved */
945 put_byte(pb, strlen(descr)); /* string counter */
946 put_buffer(pb, descr, strlen(descr)); /* handler description */
947 return updateSize(pb, pos);
950 static int mov_write_minf_tag(ByteIOContext *pb, MOVTrack *track)
952 int64_t pos = url_ftell(pb);
953 put_be32(pb, 0); /* size */
955 if(track->enc->codec_type == CODEC_TYPE_VIDEO)
956 mov_write_vmhd_tag(pb);
957 else if (track->enc->codec_type == CODEC_TYPE_AUDIO)
958 mov_write_smhd_tag(pb);
959 else if (track->enc->codec_type == CODEC_TYPE_SUBTITLE) {
960 if (track->tag == MKTAG('t','e','x','t')) mov_write_gmhd_tag(pb);
961 else mov_write_nmhd_tag(pb);
963 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
964 mov_write_hdlr_tag(pb, NULL);
965 mov_write_dinf_tag(pb);
966 mov_write_stbl_tag(pb, track);
967 return updateSize(pb, pos);
970 static int mov_write_mdhd_tag(ByteIOContext *pb, MOVTrack *track)
972 int version = track->trackDuration < INT32_MAX ? 0 : 1;
974 (version == 1) ? put_be32(pb, 44) : put_be32(pb, 32); /* size */
976 put_byte(pb, version);
977 put_be24(pb, 0); /* flags */
979 put_be64(pb, track->time);
980 put_be64(pb, track->time);
982 put_be32(pb, track->time); /* creation time */
983 put_be32(pb, track->time); /* modification time */
985 put_be32(pb, track->timescale); /* time scale (sample rate for audio) */
986 (version == 1) ? put_be64(pb, track->trackDuration) : put_be32(pb, track->trackDuration); /* duration */
987 put_be16(pb, track->language); /* language */
988 put_be16(pb, 0); /* reserved (quality) */
990 if(version!=0 && track->mode == MODE_MOV){
991 av_log(NULL, AV_LOG_ERROR,
992 "FATAL error, file duration too long for timebase, this file will not be\n"
993 "playable with quicktime. Choose a different timebase or a different\n"
994 "container format\n");
1000 static int mov_write_mdia_tag(ByteIOContext *pb, MOVTrack *track)
1002 int64_t pos = url_ftell(pb);
1003 put_be32(pb, 0); /* size */
1004 put_tag(pb, "mdia");
1005 mov_write_mdhd_tag(pb, track);
1006 mov_write_hdlr_tag(pb, track);
1007 mov_write_minf_tag(pb, track);
1008 return updateSize(pb, pos);
1011 static int mov_write_tkhd_tag(ByteIOContext *pb, MOVTrack *track, AVStream *st)
1013 int64_t duration = av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP);
1014 int version = duration < INT32_MAX ? 0 : 1;
1016 (version == 1) ? put_be32(pb, 104) : put_be32(pb, 92); /* size */
1017 put_tag(pb, "tkhd");
1018 put_byte(pb, version);
1019 put_be24(pb, 0xf); /* flags (track enabled) */
1021 put_be64(pb, track->time);
1022 put_be64(pb, track->time);
1024 put_be32(pb, track->time); /* creation time */
1025 put_be32(pb, track->time); /* modification time */
1027 put_be32(pb, track->trackID); /* track-id */
1028 put_be32(pb, 0); /* reserved */
1029 (version == 1) ? put_be64(pb, duration) : put_be32(pb, duration);
1031 put_be32(pb, 0); /* reserved */
1032 put_be32(pb, 0); /* reserved */
1033 put_be32(pb, 0x0); /* reserved (Layer & Alternate group) */
1034 /* Volume, only for audio */
1035 if(track->enc->codec_type == CODEC_TYPE_AUDIO)
1036 put_be16(pb, 0x0100);
1039 put_be16(pb, 0); /* reserved */
1041 /* Matrix structure */
1042 put_be32(pb, 0x00010000); /* reserved */
1043 put_be32(pb, 0x0); /* reserved */
1044 put_be32(pb, 0x0); /* reserved */
1045 put_be32(pb, 0x0); /* reserved */
1046 put_be32(pb, 0x00010000); /* reserved */
1047 put_be32(pb, 0x0); /* reserved */
1048 put_be32(pb, 0x0); /* reserved */
1049 put_be32(pb, 0x0); /* reserved */
1050 put_be32(pb, 0x40000000); /* reserved */
1052 /* Track width and height, for visual only */
1053 if(track->enc->codec_type == CODEC_TYPE_VIDEO ||
1054 track->enc->codec_type == CODEC_TYPE_SUBTITLE) {
1055 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1056 if(!sample_aspect_ratio || track->height != track->enc->height)
1057 sample_aspect_ratio = 1;
1058 put_be32(pb, sample_aspect_ratio * track->enc->width*0x10000);
1059 put_be32(pb, track->height*0x10000);
1068 // This box seems important for the psp playback ... without it the movie seems to hang
1069 static int mov_write_edts_tag(ByteIOContext *pb, MOVTrack *track)
1071 put_be32(pb, 0x24); /* size */
1072 put_tag(pb, "edts");
1073 put_be32(pb, 0x1c); /* size */
1074 put_tag(pb, "elst");
1078 put_be32(pb, av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP)); /* duration ... doesn't seem to effect psp */
1080 put_be32(pb, track->cluster[0].cts); /* first pts is cts since dts is 0 */
1081 put_be32(pb, 0x00010000);
1085 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1086 static int mov_write_uuid_tag_psp(ByteIOContext *pb, MOVTrack *mov)
1088 put_be32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1089 put_tag(pb, "uuid");
1090 put_tag(pb, "USMT");
1091 put_be32(pb, 0x21d24fce);
1092 put_be32(pb, 0xbb88695c);
1093 put_be32(pb, 0xfac9c740);
1094 put_be32(pb, 0x1c); // another size here!
1095 put_tag(pb, "MTDT");
1096 put_be32(pb, 0x00010012);
1098 put_be32(pb, 0x55c40000);
1104 static int mov_write_trak_tag(ByteIOContext *pb, MOVTrack *track, AVStream *st)
1106 int64_t pos = url_ftell(pb);
1107 put_be32(pb, 0); /* size */
1108 put_tag(pb, "trak");
1109 mov_write_tkhd_tag(pb, track, st);
1110 if (track->mode == MODE_PSP || track->hasBframes)
1111 mov_write_edts_tag(pb, track); // PSP Movies require edts box
1112 mov_write_mdia_tag(pb, track);
1113 if (track->mode == MODE_PSP)
1114 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
1115 return updateSize(pb, pos);
1119 /* TODO: Not sorted out, but not necessary either */
1120 static int mov_write_iods_tag(ByteIOContext *pb, MOVMuxContext *mov)
1122 put_be32(pb, 0x15); /* size */
1123 put_tag(pb, "iods");
1124 put_be32(pb, 0); /* version & flags */
1125 put_be16(pb, 0x1007);
1127 put_be16(pb, 0x4fff);
1128 put_be16(pb, 0xfffe);
1129 put_be16(pb, 0x01ff);
1134 static int mov_write_mvhd_tag(ByteIOContext *pb, MOVMuxContext *mov)
1136 int maxTrackID = 1, i;
1137 int64_t maxTrackLenTemp, maxTrackLen = 0;
1140 for (i=0; i<mov->nb_streams; i++) {
1141 if(mov->tracks[i].entry > 0) {
1142 maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration, globalTimescale, mov->tracks[i].timescale, AV_ROUND_UP);
1143 if(maxTrackLen < maxTrackLenTemp)
1144 maxTrackLen = maxTrackLenTemp;
1145 if(maxTrackID < mov->tracks[i].trackID)
1146 maxTrackID = mov->tracks[i].trackID;
1150 version = maxTrackLen < UINT32_MAX ? 0 : 1;
1151 (version == 1) ? put_be32(pb, 120) : put_be32(pb, 108); /* size */
1152 put_tag(pb, "mvhd");
1153 put_byte(pb, version);
1154 put_be24(pb, 0); /* flags */
1156 put_be64(pb, mov->time);
1157 put_be64(pb, mov->time);
1159 put_be32(pb, mov->time); /* creation time */
1160 put_be32(pb, mov->time); /* modification time */
1162 put_be32(pb, mov->timescale); /* timescale */
1163 (version == 1) ? put_be64(pb, maxTrackLen) : put_be32(pb, maxTrackLen); /* duration of longest track */
1165 put_be32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1166 put_be16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1167 put_be16(pb, 0); /* reserved */
1168 put_be32(pb, 0); /* reserved */
1169 put_be32(pb, 0); /* reserved */
1171 /* Matrix structure */
1172 put_be32(pb, 0x00010000); /* reserved */
1173 put_be32(pb, 0x0); /* reserved */
1174 put_be32(pb, 0x0); /* reserved */
1175 put_be32(pb, 0x0); /* reserved */
1176 put_be32(pb, 0x00010000); /* reserved */
1177 put_be32(pb, 0x0); /* reserved */
1178 put_be32(pb, 0x0); /* reserved */
1179 put_be32(pb, 0x0); /* reserved */
1180 put_be32(pb, 0x40000000); /* reserved */
1182 put_be32(pb, 0); /* reserved (preview time) */
1183 put_be32(pb, 0); /* reserved (preview duration) */
1184 put_be32(pb, 0); /* reserved (poster time) */
1185 put_be32(pb, 0); /* reserved (selection time) */
1186 put_be32(pb, 0); /* reserved (selection duration) */
1187 put_be32(pb, 0); /* reserved (current time) */
1188 put_be32(pb, maxTrackID+1); /* Next track id */
1192 static int mov_write_itunes_hdlr_tag(ByteIOContext *pb, MOVMuxContext *mov,
1195 int64_t pos = url_ftell(pb);
1196 put_be32(pb, 0); /* size */
1197 put_tag(pb, "hdlr");
1200 put_tag(pb, "mdir");
1201 put_tag(pb, "appl");
1205 return updateSize(pb, pos);
1208 /* helper function to write a data tag with the specified string as data */
1209 static int mov_write_string_data_tag(ByteIOContext *pb, const char *data, int lang, int long_style)
1212 int64_t pos = url_ftell(pb);
1213 put_be32(pb, 0); /* size */
1214 put_tag(pb, "data");
1217 put_buffer(pb, data, strlen(data));
1218 return updateSize(pb, pos);
1220 put_be16(pb, strlen(data)); /* string length */
1222 put_buffer(pb, data, strlen(data));
1223 return strlen(data) + 4;
1227 static int mov_write_string_tag(ByteIOContext *pb, const char *name, const char *value, int lang, int long_style){
1229 if (value && value[0]) {
1230 int64_t pos = url_ftell(pb);
1231 put_be32(pb, 0); /* size */
1233 mov_write_string_data_tag(pb, value, lang, long_style);
1234 size= updateSize(pb, pos);
1239 static int mov_write_string_metadata(AVFormatContext *s, ByteIOContext *pb,
1240 const char *name, const char *tag,
1243 int l, lang = 0, len, len2;
1244 AVMetadataTag *t, *t2 = NULL;
1247 if (!(t = av_metadata_get(s->metadata, tag, NULL, 0)))
1250 len = strlen(t->key);
1251 snprintf(tag2, sizeof(tag2), "%s-", tag);
1252 while ((t2 = av_metadata_get(s->metadata, tag2, t2, AV_METADATA_IGNORE_SUFFIX))) {
1253 len2 = strlen(t2->key);
1254 if (len2 == len+4 && !strcmp(t->value, t2->value)
1255 && (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 0)) >= 0) {
1260 return mov_write_string_tag(pb, name, t->value, lang, long_style);
1263 /* iTunes track number */
1264 static int mov_write_trkn_tag(ByteIOContext *pb, MOVMuxContext *mov,
1267 AVMetadataTag *t = av_metadata_get(s->metadata, "track", NULL, 0);
1268 int size = 0, track = t ? atoi(t->value) : 0;
1270 int64_t pos = url_ftell(pb);
1271 put_be32(pb, 0); /* size */
1272 put_tag(pb, "trkn");
1274 int64_t pos = url_ftell(pb);
1275 put_be32(pb, 0); /* size */
1276 put_tag(pb, "data");
1277 put_be32(pb, 0); // 8 bytes empty
1279 put_be16(pb, 0); // empty
1280 put_be16(pb, track); // track number
1281 put_be16(pb, 0); // total track number
1282 put_be16(pb, 0); // empty
1283 updateSize(pb, pos);
1285 size = updateSize(pb, pos);
1290 /* iTunes meta data list */
1291 static int mov_write_ilst_tag(ByteIOContext *pb, MOVMuxContext *mov,
1294 int64_t pos = url_ftell(pb);
1295 put_be32(pb, 0); /* size */
1296 put_tag(pb, "ilst");
1297 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
1298 mov_write_string_metadata(s, pb, "\251ART", "author" , 1);
1299 mov_write_string_metadata(s, pb, "\251wrt", "author" , 1);
1300 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
1301 mov_write_string_metadata(s, pb, "\251day", "year" , 1);
1302 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
1303 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
1304 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
1305 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
1306 mov_write_trkn_tag(pb, mov, s);
1307 return updateSize(pb, pos);
1310 /* iTunes meta data tag */
1311 static int mov_write_meta_tag(ByteIOContext *pb, MOVMuxContext *mov,
1315 int64_t pos = url_ftell(pb);
1316 put_be32(pb, 0); /* size */
1317 put_tag(pb, "meta");
1319 mov_write_itunes_hdlr_tag(pb, mov, s);
1320 mov_write_ilst_tag(pb, mov, s);
1321 size = updateSize(pb, pos);
1325 static int utf8len(const uint8_t *b)
1330 GET_UTF8(val, *b++, return -1;)
1336 static int ascii_to_wc(ByteIOContext *pb, const uint8_t *b)
1340 GET_UTF8(val, *b++, return -1;)
1347 static uint16_t language_code(const char *str)
1349 return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
1352 static int mov_write_3gp_udta_tag(ByteIOContext *pb, AVFormatContext *s,
1353 const char *tag, const char *str)
1355 int64_t pos = url_ftell(pb);
1356 AVMetadataTag *t = av_metadata_get(s->metadata, str, NULL, 0);
1357 if (!t || !utf8len(t->value))
1359 put_be32(pb, 0); /* size */
1360 put_tag (pb, tag); /* type */
1361 put_be32(pb, 0); /* version + flags */
1362 if (!strcmp(tag, "yrrc"))
1363 put_be16(pb, atoi(t->value));
1365 put_be16(pb, language_code("eng")); /* language */
1366 ascii_to_wc(pb, t->value);
1367 if (!strcmp(tag, "albm") &&
1368 (t = av_metadata_get(s->metadata, "year", NULL, 0)))
1369 put_byte(pb, atoi(t->value));
1371 return updateSize(pb, pos);
1374 static int mov_write_udta_tag(ByteIOContext *pb, MOVMuxContext *mov,
1377 ByteIOContext *pb_buf;
1381 for (i = 0; i < s->nb_streams; i++)
1382 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
1386 ret = url_open_dyn_buf(&pb_buf);
1390 if (mov->mode & MODE_3GP) {
1391 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
1392 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
1393 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
1394 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
1395 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
1396 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
1397 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "year");
1398 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
1399 mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0);
1400 mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0);
1401 mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0);
1402 mov_write_string_metadata(s, pb_buf, "\251day", "year" , 0);
1403 mov_write_string_tag(pb_buf, "\251enc", LIBAVFORMAT_IDENT, 0, 0);
1404 mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0);
1405 mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0);
1406 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0);
1408 /* iTunes meta data */
1409 mov_write_meta_tag(pb_buf, mov, s);
1412 if ((size = url_close_dyn_buf(pb_buf, &buf)) > 0) {
1413 put_be32(pb, size+8);
1414 put_tag(pb, "udta");
1415 put_buffer(pb, buf, size);
1422 static void mov_write_psp_udta_tag(ByteIOContext *pb,
1423 const char *str, const char *lang, int type)
1425 int len = utf8len(str)+1;
1428 put_be16(pb, len*2+10); /* size */
1429 put_be32(pb, type); /* type */
1430 put_be16(pb, language_code(lang)); /* language */
1431 put_be16(pb, 0x01); /* ? */
1432 ascii_to_wc(pb, str);
1435 static int mov_write_uuidusmt_tag(ByteIOContext *pb, AVFormatContext *s)
1437 AVMetadataTag *title = av_metadata_get(s->metadata, "title", NULL, 0);
1441 pos = url_ftell(pb);
1442 put_be32(pb, 0); /* size placeholder*/
1443 put_tag(pb, "uuid");
1444 put_tag(pb, "USMT");
1445 put_be32(pb, 0x21d24fce); /* 96 bit UUID */
1446 put_be32(pb, 0xbb88695c);
1447 put_be32(pb, 0xfac9c740);
1449 pos2 = url_ftell(pb);
1450 put_be32(pb, 0); /* size placeholder*/
1451 put_tag(pb, "MTDT");
1455 put_be16(pb, 0x0C); /* size */
1456 put_be32(pb, 0x0B); /* type */
1457 put_be16(pb, language_code("und")); /* language */
1458 put_be16(pb, 0x0); /* ? */
1459 put_be16(pb, 0x021C); /* data */
1461 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
1462 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
1463 // 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);
1464 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
1466 updateSize(pb, pos2);
1467 return updateSize(pb, pos);
1473 static int mov_write_moov_tag(ByteIOContext *pb, MOVMuxContext *mov,
1477 int64_t pos = url_ftell(pb);
1478 put_be32(pb, 0); /* size placeholder*/
1479 put_tag(pb, "moov");
1480 mov->timescale = globalTimescale;
1482 for (i=0; i<mov->nb_streams; i++) {
1483 if(mov->tracks[i].entry <= 0) continue;
1485 mov->tracks[i].time = mov->time;
1486 mov->tracks[i].trackID = i+1;
1489 mov_write_mvhd_tag(pb, mov);
1490 //mov_write_iods_tag(pb, mov);
1491 for (i=0; i<mov->nb_streams; i++) {
1492 if(mov->tracks[i].entry > 0) {
1493 mov_write_trak_tag(pb, &(mov->tracks[i]), s->streams[i]);
1497 if (mov->mode == MODE_PSP)
1498 mov_write_uuidusmt_tag(pb, s);
1500 mov_write_udta_tag(pb, mov, s);
1502 return updateSize(pb, pos);
1505 static int mov_write_mdat_tag(ByteIOContext *pb, MOVMuxContext *mov)
1507 put_be32(pb, 8); // placeholder for extended size field (64 bit)
1508 put_tag(pb, mov->mode == MODE_MOV ? "wide" : "free");
1510 mov->mdat_pos = url_ftell(pb);
1511 put_be32(pb, 0); /* size placeholder*/
1512 put_tag(pb, "mdat");
1516 /* TODO: This needs to be more general */
1517 static int mov_write_ftyp_tag(ByteIOContext *pb, AVFormatContext *s)
1519 MOVMuxContext *mov = s->priv_data;
1520 int64_t pos = url_ftell(pb);
1521 int has_h264 = 0, has_video = 0;
1525 for (i = 0; i < s->nb_streams; i++) {
1526 AVStream *st = s->streams[i];
1527 if (st->codec->codec_type == CODEC_TYPE_VIDEO)
1529 if (st->codec->codec_id == CODEC_ID_H264)
1533 put_be32(pb, 0); /* size */
1534 put_tag(pb, "ftyp");
1536 if (mov->mode == MODE_3GP) {
1537 put_tag(pb, has_h264 ? "3gp6" : "3gp4");
1538 minor = has_h264 ? 0x100 : 0x200;
1539 } else if (mov->mode & MODE_3G2) {
1540 put_tag(pb, has_h264 ? "3g2b" : "3g2a");
1541 minor = has_h264 ? 0x20000 : 0x10000;
1542 }else if (mov->mode == MODE_PSP)
1543 put_tag(pb, "MSNV");
1544 else if (mov->mode == MODE_MP4)
1545 put_tag(pb, "isom");
1546 else if (mov->mode == MODE_IPOD)
1547 put_tag(pb, has_video ? "M4V ":"M4A ");
1551 put_be32(pb, minor);
1553 if(mov->mode == MODE_MOV)
1556 put_tag(pb, "isom");
1557 put_tag(pb, "iso2");
1559 put_tag(pb, "avc1");
1562 if (mov->mode == MODE_3GP)
1563 put_tag(pb, has_h264 ? "3gp6":"3gp4");
1564 else if (mov->mode & MODE_3G2)
1565 put_tag(pb, has_h264 ? "3g2b":"3g2a");
1566 else if (mov->mode == MODE_PSP)
1567 put_tag(pb, "MSNV");
1568 else if (mov->mode == MODE_MP4)
1569 put_tag(pb, "mp41");
1570 return updateSize(pb, pos);
1573 static void mov_write_uuidprof_tag(ByteIOContext *pb, AVFormatContext *s)
1575 AVCodecContext *VideoCodec = s->streams[0]->codec;
1576 AVCodecContext *AudioCodec = s->streams[1]->codec;
1577 int AudioRate = AudioCodec->sample_rate;
1578 int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num);
1579 int audio_kbitrate= AudioCodec->bit_rate / 1000;
1580 int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate);
1582 put_be32(pb, 0x94); /* size */
1583 put_tag(pb, "uuid");
1584 put_tag(pb, "PROF");
1586 put_be32(pb, 0x21d24fce); /* 96 bit UUID */
1587 put_be32(pb, 0xbb88695c);
1588 put_be32(pb, 0xfac9c740);
1590 put_be32(pb, 0x0); /* ? */
1591 put_be32(pb, 0x3); /* 3 sections ? */
1593 put_be32(pb, 0x14); /* size */
1594 put_tag(pb, "FPRF");
1595 put_be32(pb, 0x0); /* ? */
1596 put_be32(pb, 0x0); /* ? */
1597 put_be32(pb, 0x0); /* ? */
1599 put_be32(pb, 0x2c); /* size */
1600 put_tag(pb, "APRF"); /* audio */
1602 put_be32(pb, 0x2); /* TrackID */
1603 put_tag(pb, "mp4a");
1604 put_be32(pb, 0x20f);
1606 put_be32(pb, audio_kbitrate);
1607 put_be32(pb, audio_kbitrate);
1608 put_be32(pb, AudioRate);
1609 put_be32(pb, AudioCodec->channels);
1611 put_be32(pb, 0x34); /* size */
1612 put_tag(pb, "VPRF"); /* video */
1614 put_be32(pb, 0x1); /* TrackID */
1615 if (VideoCodec->codec_id == CODEC_ID_H264) {
1616 put_tag(pb, "avc1");
1617 put_be16(pb, 0x014D);
1618 put_be16(pb, 0x0015);
1620 put_tag(pb, "mp4v");
1621 put_be16(pb, 0x0000);
1622 put_be16(pb, 0x0103);
1625 put_be32(pb, video_kbitrate);
1626 put_be32(pb, video_kbitrate);
1627 put_be32(pb, FrameRate);
1628 put_be32(pb, FrameRate);
1629 put_be16(pb, VideoCodec->width);
1630 put_be16(pb, VideoCodec->height);
1631 put_be32(pb, 0x010001); /* ? */
1634 static int mov_write_header(AVFormatContext *s)
1636 ByteIOContext *pb = s->pb;
1637 MOVMuxContext *mov = s->priv_data;
1640 if (url_is_streamed(s->pb)) {
1641 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
1645 /* Default mode == MP4 */
1646 mov->mode = MODE_MP4;
1648 if (s->oformat != NULL) {
1649 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
1650 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
1651 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
1652 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
1653 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
1655 mov_write_ftyp_tag(pb,s);
1656 if (mov->mode == MODE_PSP) {
1657 if (s->nb_streams != 2) {
1658 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
1661 mov_write_uuidprof_tag(pb,s);
1665 for(i=0; i<s->nb_streams; i++){
1666 AVStream *st= s->streams[i];
1667 MOVTrack *track= &mov->tracks[i];
1668 AVMetadataTag *lang = av_metadata_get(st->metadata, "language", NULL,0);
1670 track->enc = st->codec;
1671 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
1672 if (track->language < 0)
1673 track->language = 0;
1674 track->mode = mov->mode;
1675 track->tag = mov_find_codec_tag(s, track);
1677 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
1678 "codec not currently supported in container\n", i);
1681 if(st->codec->codec_type == CODEC_TYPE_VIDEO){
1682 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
1683 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
1684 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
1685 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
1686 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
1689 track->height = track->tag>>24 == 'n' ? 486 : 576;
1691 track->timescale = st->codec->time_base.den;
1692 av_set_pts_info(st, 64, 1, st->codec->time_base.den);
1693 if (track->mode == MODE_MOV && track->timescale > 100000)
1694 av_log(s, AV_LOG_WARNING,
1695 "WARNING codec timebase is very high. If duration is too long,\n"
1696 "file may not be playable by quicktime. Specify a shorter timebase\n"
1697 "or choose different container.\n");
1698 }else if(st->codec->codec_type == CODEC_TYPE_AUDIO){
1699 track->timescale = st->codec->sample_rate;
1700 av_set_pts_info(st, 64, 1, st->codec->sample_rate);
1701 if(!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
1702 av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
1704 }else if(st->codec->frame_size > 1){ /* assume compressed audio */
1705 track->audio_vbr = 1;
1707 st->codec->frame_size = 1;
1708 track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
1710 if(track->mode != MODE_MOV &&
1711 track->enc->codec_id == CODEC_ID_MP3 && track->enc->sample_rate < 16000){
1712 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
1713 i, track->enc->sample_rate);
1716 }else if(st->codec->codec_type == CODEC_TYPE_SUBTITLE){
1717 track->timescale = st->codec->time_base.den;
1718 av_set_pts_info(st, 64, 1, st->codec->time_base.den);
1721 track->height = st->codec->height;
1724 mov_write_mdat_tag(pb, mov);
1725 mov->time = s->timestamp + 0x7C25B080; //1970 based -> 1904 based
1726 mov->nb_streams = s->nb_streams;
1728 put_flush_packet(pb);
1733 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
1735 MOVMuxContext *mov = s->priv_data;
1736 ByteIOContext *pb = s->pb;
1737 MOVTrack *trk = &mov->tracks[pkt->stream_index];
1738 AVCodecContext *enc = trk->enc;
1739 unsigned int samplesInChunk = 0;
1740 int size= pkt->size;
1742 if (url_is_streamed(s->pb)) return 0; /* Can't handle that */
1743 if (!size) return 0; /* Discard 0 sized packets */
1745 if (enc->codec_id == CODEC_ID_AMR_NB) {
1746 /* We must find out how many AMR blocks there are in one packet */
1747 static uint16_t packed_size[16] =
1748 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 0};
1751 while (len < size && samplesInChunk < 100) {
1752 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
1755 if(samplesInChunk > 1){
1756 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
1759 } else if (trk->sampleSize)
1760 samplesInChunk = size/trk->sampleSize;
1764 /* copy extradata if it exists */
1765 if (trk->vosLen == 0 && enc->extradata_size > 0) {
1766 trk->vosLen = enc->extradata_size;
1767 trk->vosData = av_malloc(trk->vosLen);
1768 memcpy(trk->vosData, enc->extradata, trk->vosLen);
1771 if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) {
1772 /* from x264 or from bytestream h264 */
1773 /* nal reformating needed */
1774 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
1776 put_buffer(pb, pkt->data, size);
1779 if ((enc->codec_id == CODEC_ID_DNXHD ||
1780 enc->codec_id == CODEC_ID_AC3) && !trk->vosLen) {
1781 /* copy frame to create needed atoms */
1783 trk->vosData = av_malloc(size);
1785 return AVERROR(ENOMEM);
1786 memcpy(trk->vosData, pkt->data, size);
1789 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
1790 trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster));
1795 trk->cluster[trk->entry].pos = url_ftell(pb) - size;
1796 trk->cluster[trk->entry].samplesInChunk = samplesInChunk;
1797 trk->cluster[trk->entry].size = size;
1798 trk->cluster[trk->entry].entries = samplesInChunk;
1799 trk->cluster[trk->entry].dts = pkt->dts;
1800 trk->trackDuration = pkt->dts - trk->cluster[0].dts + pkt->duration;
1802 if (pkt->pts == AV_NOPTS_VALUE) {
1803 av_log(s, AV_LOG_WARNING, "pts has no value\n");
1804 pkt->pts = pkt->dts;
1806 if (pkt->dts != pkt->pts)
1807 trk->hasBframes = 1;
1808 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
1809 trk->cluster[trk->entry].key_frame = !!(pkt->flags & PKT_FLAG_KEY);
1810 if(trk->cluster[trk->entry].key_frame)
1811 trk->hasKeyframes++;
1813 trk->sampleCount += samplesInChunk;
1814 mov->mdat_size += size;
1816 put_flush_packet(pb);
1820 static int mov_write_trailer(AVFormatContext *s)
1822 MOVMuxContext *mov = s->priv_data;
1823 ByteIOContext *pb = s->pb;
1827 int64_t moov_pos = url_ftell(pb);
1829 /* Write size of mdat tag */
1830 if (mov->mdat_size+8 <= UINT32_MAX) {
1831 url_fseek(pb, mov->mdat_pos, SEEK_SET);
1832 put_be32(pb, mov->mdat_size+8);
1834 /* overwrite 'wide' placeholder atom */
1835 url_fseek(pb, mov->mdat_pos - 8, SEEK_SET);
1836 put_be32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */
1837 put_tag(pb, "mdat");
1838 put_be64(pb, mov->mdat_size+16);
1840 url_fseek(pb, moov_pos, SEEK_SET);
1842 mov_write_moov_tag(pb, mov, s);
1844 for (i=0; i<mov->nb_streams; i++) {
1845 av_freep(&mov->tracks[i].cluster);
1847 if(mov->tracks[i].vosLen) av_free(mov->tracks[i].vosData);
1851 put_flush_packet(pb);
1856 #if CONFIG_MOV_MUXER
1857 AVOutputFormat mov_muxer = {
1859 NULL_IF_CONFIG_SMALL("MOV format"),
1862 sizeof(MOVMuxContext),
1868 .flags = AVFMT_GLOBALHEADER | AVFMT_VARIABLE_FPS,
1869 .codec_tag = (const AVCodecTag* const []){codec_movvideo_tags, codec_movaudio_tags, 0},
1872 #if CONFIG_TGP_MUXER
1873 AVOutputFormat tgp_muxer = {
1875 NULL_IF_CONFIG_SMALL("3GP format"),
1878 sizeof(MOVMuxContext),
1884 .flags = AVFMT_GLOBALHEADER,
1885 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
1888 #if CONFIG_MP4_MUXER
1889 AVOutputFormat mp4_muxer = {
1891 NULL_IF_CONFIG_SMALL("MP4 format"),
1894 sizeof(MOVMuxContext),
1900 .flags = AVFMT_GLOBALHEADER | AVFMT_VARIABLE_FPS,
1901 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
1904 #if CONFIG_PSP_MUXER
1905 AVOutputFormat psp_muxer = {
1907 NULL_IF_CONFIG_SMALL("PSP MP4 format"),
1910 sizeof(MOVMuxContext),
1916 .flags = AVFMT_GLOBALHEADER,
1917 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
1920 #if CONFIG_TG2_MUXER
1921 AVOutputFormat tg2_muxer = {
1923 NULL_IF_CONFIG_SMALL("3GP2 format"),
1926 sizeof(MOVMuxContext),
1932 .flags = AVFMT_GLOBALHEADER,
1933 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
1936 #if CONFIG_IPOD_MUXER
1937 AVOutputFormat ipod_muxer = {
1939 NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"),
1942 sizeof(MOVMuxContext),
1948 .flags = AVFMT_GLOBALHEADER,
1949 .codec_tag = (const AVCodecTag* const []){codec_ipod_tags, 0},