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 int64_t updateSize(ByteIOContext *pb, int64_t pos)
87 int64_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 int64_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 int64_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 int64_t entryPos, curpos;
161 int64_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 int64_t curpos, entryPos;
190 int64_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 int64_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 int64_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 int64_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 int64_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_MOV_TEXT, MKTAG('t','x','3','g') },
554 { CODEC_ID_NONE, 0 },
557 static const AVCodecTag mov_pix_fmt_tags[] = {
558 { PIX_FMT_YUYV422, MKTAG('y','u','v','s') },
559 { PIX_FMT_UYVY422, MKTAG('2','v','u','y') },
560 { PIX_FMT_BGR555, MKTAG('r','a','w',' ') },
561 { PIX_FMT_RGB24, MKTAG('r','a','w',' ') },
562 { PIX_FMT_BGR32_1, MKTAG('r','a','w',' ') },
565 static const AVCodecTag codec_ipod_tags[] = {
566 { CODEC_ID_H264, MKTAG('a','v','c','1') },
567 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
568 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
569 { CODEC_ID_ALAC, MKTAG('a','l','a','c') },
570 { CODEC_ID_AC3, MKTAG('a','c','-','3') },
571 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
572 { CODEC_ID_NONE, 0 },
575 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
577 int tag = track->enc->codec_tag;
578 if (track->mode == MODE_MP4 || track->mode == MODE_PSP) {
579 if (!codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
581 if (track->enc->codec_id == CODEC_ID_H264) tag = MKTAG('a','v','c','1');
582 else if (track->enc->codec_id == CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
583 else if (track->enc->codec_id == CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
584 else if (track->enc->codec_id == CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
585 else if (track->enc->codec_type == CODEC_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
586 else if (track->enc->codec_type == CODEC_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
587 } else if (track->mode == MODE_IPOD) {
588 tag = codec_get_tag(codec_ipod_tags, track->enc->codec_id);
589 if (!match_ext(s->filename, "m4a") && !match_ext(s->filename, "m4v"))
590 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
591 "Quicktime/Ipod might not play the file\n");
592 } else if (track->mode & MODE_3GP) {
593 tag = codec_get_tag(codec_3gp_tags, track->enc->codec_id);
594 } else if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
595 (tag == MKTAG('d','v','c','p') ||
596 track->enc->codec_id == CODEC_ID_RAWVIDEO))) {
597 if (track->enc->codec_id == CODEC_ID_DVVIDEO) {
598 if (track->enc->height == 480) /* NTSC */
599 if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
600 else tag = MKTAG('d','v','c',' ');
601 else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
602 else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
603 else tag = MKTAG('d','v','p','p');
604 } else if (track->enc->codec_id == CODEC_ID_RAWVIDEO) {
605 tag = codec_get_tag(mov_pix_fmt_tags, track->enc->pix_fmt);
606 if (!tag) // restore tag
607 tag = track->enc->codec_tag;
609 if (track->enc->codec_type == CODEC_TYPE_VIDEO) {
610 tag = codec_get_tag(codec_movvideo_tags, track->enc->codec_id);
611 if (!tag) { // if no mac fcc found, try with Microsoft tags
612 tag = codec_get_tag(codec_bmp_tags, track->enc->codec_id);
614 av_log(s, AV_LOG_INFO, "Warning, using MS style video codec tag, "
615 "the file may be unplayable!\n");
617 } else if (track->enc->codec_type == CODEC_TYPE_AUDIO) {
618 tag = codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
619 if (!tag) { // if no mac fcc found, try with Microsoft tags
620 int ms_tag = codec_get_tag(codec_wav_tags, track->enc->codec_id);
622 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
623 av_log(s, AV_LOG_INFO, "Warning, using MS style audio codec tag, "
624 "the file may be unplayable!\n");
627 } else if (track->enc->codec_type == CODEC_TYPE_SUBTITLE) {
628 tag = codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
636 * Needed to make file play in iPods running newest firmware
637 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
639 static int mov_write_uuid_tag_ipod(ByteIOContext *pb)
643 put_be32(pb, 0x6b6840f2);
644 put_be32(pb, 0x5f244fc5);
645 put_be32(pb, 0xba39a51b);
646 put_be32(pb, 0xcf0323f3);
651 static int mov_write_subtitle_tag(ByteIOContext *pb, MOVTrack *track)
653 int64_t pos = url_ftell(pb);
654 put_be32(pb, 0); /* size */
655 put_le32(pb, track->tag); // store it byteswapped
656 put_be32(pb, 0); /* Reserved */
657 put_be16(pb, 0); /* Reserved */
658 put_be16(pb, 1); /* Data-reference index */
660 if (track->enc->extradata_size)
661 put_buffer(pb, track->enc->extradata, track->enc->extradata_size);
663 return updateSize(pb, pos);
666 static int mov_write_video_tag(ByteIOContext *pb, MOVTrack *track)
668 int64_t pos = url_ftell(pb);
669 char compressor_name[32];
671 put_be32(pb, 0); /* size */
672 put_le32(pb, track->tag); // store it byteswapped
673 put_be32(pb, 0); /* Reserved */
674 put_be16(pb, 0); /* Reserved */
675 put_be16(pb, 1); /* Data-reference index */
677 put_be16(pb, 0); /* Codec stream version */
678 put_be16(pb, 0); /* Codec stream revision (=0) */
679 if (track->mode == MODE_MOV) {
680 put_tag(pb, "FFMP"); /* Vendor */
681 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
682 put_be32(pb, 0); /* Temporal Quality */
683 put_be32(pb, 0x400); /* Spatial Quality = lossless*/
685 put_be32(pb, 0x200); /* Temporal Quality = normal */
686 put_be32(pb, 0x200); /* Spatial Quality = normal */
689 put_be32(pb, 0); /* Reserved */
690 put_be32(pb, 0); /* Reserved */
691 put_be32(pb, 0); /* Reserved */
693 put_be16(pb, track->enc->width); /* Video width */
694 put_be16(pb, track->enc->height); /* Video height */
695 put_be32(pb, 0x00480000); /* Horizontal resolution 72dpi */
696 put_be32(pb, 0x00480000); /* Vertical resolution 72dpi */
697 put_be32(pb, 0); /* Data size (= 0) */
698 put_be16(pb, 1); /* Frame count (= 1) */
700 memset(compressor_name,0,32);
701 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
702 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
703 strncpy(compressor_name,track->enc->codec->name,31);
704 put_byte(pb, strlen(compressor_name));
705 put_buffer(pb, compressor_name, 31);
707 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
708 put_be16(pb, track->enc->bits_per_coded_sample);
710 put_be16(pb, 0x18); /* Reserved */
711 put_be16(pb, 0xffff); /* Reserved */
712 if(track->tag == MKTAG('m','p','4','v'))
713 mov_write_esds_tag(pb, track);
714 else if(track->enc->codec_id == CODEC_ID_H263)
715 mov_write_d263_tag(pb);
716 else if(track->enc->codec_id == CODEC_ID_SVQ3)
717 mov_write_svq3_tag(pb);
718 else if(track->enc->codec_id == CODEC_ID_DNXHD)
719 mov_write_avid_tag(pb, track);
720 else if(track->enc->codec_id == CODEC_ID_H264) {
721 mov_write_avcc_tag(pb, track);
722 if(track->mode == MODE_IPOD)
723 mov_write_uuid_tag_ipod(pb);
724 } else if(track->vosLen > 0)
725 mov_write_glbl_tag(pb, track);
727 return updateSize(pb, pos);
730 static int mov_write_stsd_tag(ByteIOContext *pb, MOVTrack *track)
732 int64_t pos = url_ftell(pb);
733 put_be32(pb, 0); /* size */
735 put_be32(pb, 0); /* version & flags */
736 put_be32(pb, 1); /* entry count */
737 if (track->enc->codec_type == CODEC_TYPE_VIDEO)
738 mov_write_video_tag(pb, track);
739 else if (track->enc->codec_type == CODEC_TYPE_AUDIO)
740 mov_write_audio_tag(pb, track);
741 else if (track->enc->codec_type == CODEC_TYPE_SUBTITLE)
742 mov_write_subtitle_tag(pb, track);
743 return updateSize(pb, pos);
746 static int mov_write_ctts_tag(ByteIOContext *pb, MOVTrack *track)
748 MOVStts *ctts_entries;
749 uint32_t entries = 0;
753 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
754 ctts_entries[0].count = 1;
755 ctts_entries[0].duration = track->cluster[0].cts;
756 for (i=1; i<track->entry; i++) {
757 if (track->cluster[i].cts == ctts_entries[entries].duration) {
758 ctts_entries[entries].count++; /* compress */
761 ctts_entries[entries].duration = track->cluster[i].cts;
762 ctts_entries[entries].count = 1;
765 entries++; /* last one */
766 atom_size = 16 + (entries * 8);
767 put_be32(pb, atom_size); /* size */
769 put_be32(pb, 0); /* version & flags */
770 put_be32(pb, entries); /* entry count */
771 for (i=0; i<entries; i++) {
772 put_be32(pb, ctts_entries[i].count);
773 put_be32(pb, ctts_entries[i].duration);
775 av_free(ctts_entries);
779 /* Time to sample atom */
780 static int mov_write_stts_tag(ByteIOContext *pb, MOVTrack *track)
782 MOVStts *stts_entries;
783 uint32_t entries = -1;
787 if (track->enc->codec_type == CODEC_TYPE_AUDIO && !track->audio_vbr) {
788 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
789 stts_entries[0].count = track->sampleCount;
790 stts_entries[0].duration = 1;
793 stts_entries = av_malloc(track->entry * sizeof(*stts_entries)); /* worst case */
794 for (i=0; i<track->entry; i++) {
795 int64_t duration = i + 1 == track->entry ?
796 track->trackDuration - track->cluster[i].dts + track->cluster[0].dts : /* readjusting */
797 track->cluster[i+1].dts - track->cluster[i].dts;
798 if (i && duration == stts_entries[entries].duration) {
799 stts_entries[entries].count++; /* compress */
802 stts_entries[entries].duration = duration;
803 stts_entries[entries].count = 1;
806 entries++; /* last one */
808 atom_size = 16 + (entries * 8);
809 put_be32(pb, atom_size); /* size */
811 put_be32(pb, 0); /* version & flags */
812 put_be32(pb, entries); /* entry count */
813 for (i=0; i<entries; i++) {
814 put_be32(pb, stts_entries[i].count);
815 put_be32(pb, stts_entries[i].duration);
817 av_free(stts_entries);
821 static int mov_write_dref_tag(ByteIOContext *pb)
823 put_be32(pb, 28); /* size */
825 put_be32(pb, 0); /* version & flags */
826 put_be32(pb, 1); /* entry count */
828 put_be32(pb, 0xc); /* size */
830 put_be32(pb, 1); /* version & flags */
835 static int mov_write_stbl_tag(ByteIOContext *pb, MOVTrack *track)
837 int64_t pos = url_ftell(pb);
838 put_be32(pb, 0); /* size */
840 mov_write_stsd_tag(pb, track);
841 mov_write_stts_tag(pb, track);
842 if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
843 track->hasKeyframes && track->hasKeyframes < track->entry)
844 mov_write_stss_tag(pb, track);
845 if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
847 mov_write_ctts_tag(pb, track);
848 mov_write_stsc_tag(pb, track);
849 mov_write_stsz_tag(pb, track);
850 mov_write_stco_tag(pb, track);
851 return updateSize(pb, pos);
854 static int mov_write_dinf_tag(ByteIOContext *pb)
856 int64_t pos = url_ftell(pb);
857 put_be32(pb, 0); /* size */
859 mov_write_dref_tag(pb);
860 return updateSize(pb, pos);
863 static int mov_write_nmhd_tag(ByteIOContext *pb)
871 static int mov_write_gmhd_tag(ByteIOContext *pb)
873 put_be32(pb, 0x20); /* size */
875 put_be32(pb, 0x18); /* gmin size */
876 put_tag(pb, "gmin"); /* generic media info */
877 put_be32(pb, 0); /* version & flags */
878 put_be16(pb, 0x40); /* graphics mode = */
879 put_be16(pb, 0x8000); /* opColor (r?) */
880 put_be16(pb, 0x8000); /* opColor (g?) */
881 put_be16(pb, 0x8000); /* opColor (b?) */
882 put_be16(pb, 0); /* balance */
883 put_be16(pb, 0); /* reserved */
887 static int mov_write_smhd_tag(ByteIOContext *pb)
889 put_be32(pb, 16); /* size */
891 put_be32(pb, 0); /* version & flags */
892 put_be16(pb, 0); /* reserved (balance, normally = 0) */
893 put_be16(pb, 0); /* reserved */
897 static int mov_write_vmhd_tag(ByteIOContext *pb)
899 put_be32(pb, 0x14); /* size (always 0x14) */
901 put_be32(pb, 0x01); /* version & flags */
902 put_be64(pb, 0); /* reserved (graphics mode = copy) */
906 static int mov_write_hdlr_tag(ByteIOContext *pb, MOVTrack *track)
908 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
909 int64_t pos = url_ftell(pb);
911 if (!track) { /* no media --> data handler */
914 descr = "DataHandler";
916 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
917 if (track->enc->codec_type == CODEC_TYPE_VIDEO) {
919 descr = "VideoHandler";
920 } else if (track->enc->codec_type == CODEC_TYPE_AUDIO) {
922 descr = "SoundHandler";
923 } else if (track->enc->codec_type == CODEC_TYPE_SUBTITLE) {
924 if (track->mode == MODE_IPOD) hdlr_type = "sbtl";
925 else hdlr_type = "text";
926 descr = "SubtitleHandler";
930 put_be32(pb, 0); /* size */
932 put_be32(pb, 0); /* Version & flags */
933 put_buffer(pb, hdlr, 4); /* handler */
934 put_tag(pb, hdlr_type); /* handler type */
935 put_be32(pb ,0); /* reserved */
936 put_be32(pb ,0); /* reserved */
937 put_be32(pb ,0); /* reserved */
938 put_byte(pb, strlen(descr)); /* string counter */
939 put_buffer(pb, descr, strlen(descr)); /* handler description */
940 return updateSize(pb, pos);
943 static int mov_write_minf_tag(ByteIOContext *pb, MOVTrack *track)
945 int64_t pos = url_ftell(pb);
946 put_be32(pb, 0); /* size */
948 if(track->enc->codec_type == CODEC_TYPE_VIDEO)
949 mov_write_vmhd_tag(pb);
950 else if (track->enc->codec_type == CODEC_TYPE_AUDIO)
951 mov_write_smhd_tag(pb);
952 else if (track->enc->codec_type == CODEC_TYPE_SUBTITLE) {
953 if (track->mode == MODE_MOV) mov_write_gmhd_tag(pb);
954 else mov_write_nmhd_tag(pb);
956 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
957 mov_write_hdlr_tag(pb, NULL);
958 mov_write_dinf_tag(pb);
959 mov_write_stbl_tag(pb, track);
960 return updateSize(pb, pos);
963 static int mov_write_mdhd_tag(ByteIOContext *pb, MOVTrack *track)
965 int version = track->trackDuration < INT32_MAX ? 0 : 1;
967 (version == 1) ? put_be32(pb, 44) : put_be32(pb, 32); /* size */
969 put_byte(pb, version);
970 put_be24(pb, 0); /* flags */
972 put_be64(pb, track->time);
973 put_be64(pb, track->time);
975 put_be32(pb, track->time); /* creation time */
976 put_be32(pb, track->time); /* modification time */
978 put_be32(pb, track->timescale); /* time scale (sample rate for audio) */
979 (version == 1) ? put_be64(pb, track->trackDuration) : put_be32(pb, track->trackDuration); /* duration */
980 put_be16(pb, track->language); /* language */
981 put_be16(pb, 0); /* reserved (quality) */
983 if(version!=0 && track->mode == MODE_MOV){
984 av_log(NULL, AV_LOG_ERROR,
985 "FATAL error, file duration too long for timebase, this file will not be\n"
986 "playable with quicktime. Choose a different timebase or a different\n"
987 "container format\n");
993 static int mov_write_mdia_tag(ByteIOContext *pb, MOVTrack *track)
995 int64_t pos = url_ftell(pb);
996 put_be32(pb, 0); /* size */
998 mov_write_mdhd_tag(pb, track);
999 mov_write_hdlr_tag(pb, track);
1000 mov_write_minf_tag(pb, track);
1001 return updateSize(pb, pos);
1004 static int mov_write_tkhd_tag(ByteIOContext *pb, MOVTrack *track, AVStream *st)
1006 int64_t duration = av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP);
1007 int version = duration < INT32_MAX ? 0 : 1;
1009 (version == 1) ? put_be32(pb, 104) : put_be32(pb, 92); /* size */
1010 put_tag(pb, "tkhd");
1011 put_byte(pb, version);
1012 put_be24(pb, 0xf); /* flags (track enabled) */
1014 put_be64(pb, track->time);
1015 put_be64(pb, track->time);
1017 put_be32(pb, track->time); /* creation time */
1018 put_be32(pb, track->time); /* modification time */
1020 put_be32(pb, track->trackID); /* track-id */
1021 put_be32(pb, 0); /* reserved */
1022 (version == 1) ? put_be64(pb, duration) : put_be32(pb, duration);
1024 put_be32(pb, 0); /* reserved */
1025 put_be32(pb, 0); /* reserved */
1026 put_be32(pb, 0x0); /* reserved (Layer & Alternate group) */
1027 /* Volume, only for audio */
1028 if(track->enc->codec_type == CODEC_TYPE_AUDIO)
1029 put_be16(pb, 0x0100);
1032 put_be16(pb, 0); /* reserved */
1034 /* Matrix structure */
1035 put_be32(pb, 0x00010000); /* reserved */
1036 put_be32(pb, 0x0); /* reserved */
1037 put_be32(pb, 0x0); /* reserved */
1038 put_be32(pb, 0x0); /* reserved */
1039 put_be32(pb, 0x00010000); /* reserved */
1040 put_be32(pb, 0x0); /* reserved */
1041 put_be32(pb, 0x0); /* reserved */
1042 put_be32(pb, 0x0); /* reserved */
1043 put_be32(pb, 0x40000000); /* reserved */
1045 /* Track width and height, for visual only */
1046 if(track->enc->codec_type == CODEC_TYPE_VIDEO ||
1047 track->enc->codec_type == CODEC_TYPE_SUBTITLE) {
1048 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1049 if(!sample_aspect_ratio) sample_aspect_ratio = 1;
1050 put_be32(pb, sample_aspect_ratio * track->enc->width*0x10000);
1051 put_be32(pb, track->enc->height*0x10000);
1060 // This box seems important for the psp playback ... without it the movie seems to hang
1061 static int mov_write_edts_tag(ByteIOContext *pb, MOVTrack *track)
1063 put_be32(pb, 0x24); /* size */
1064 put_tag(pb, "edts");
1065 put_be32(pb, 0x1c); /* size */
1066 put_tag(pb, "elst");
1070 put_be32(pb, av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP)); /* duration ... doesn't seem to effect psp */
1072 put_be32(pb, track->cluster[0].cts); /* first pts is cts since dts is 0 */
1073 put_be32(pb, 0x00010000);
1077 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1078 static int mov_write_uuid_tag_psp(ByteIOContext *pb, MOVTrack *mov)
1080 put_be32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1081 put_tag(pb, "uuid");
1082 put_tag(pb, "USMT");
1083 put_be32(pb, 0x21d24fce);
1084 put_be32(pb, 0xbb88695c);
1085 put_be32(pb, 0xfac9c740);
1086 put_be32(pb, 0x1c); // another size here!
1087 put_tag(pb, "MTDT");
1088 put_be32(pb, 0x00010012);
1090 put_be32(pb, 0x55c40000);
1096 static int mov_write_trak_tag(ByteIOContext *pb, MOVTrack *track, AVStream *st)
1098 int64_t pos = url_ftell(pb);
1099 put_be32(pb, 0); /* size */
1100 put_tag(pb, "trak");
1101 mov_write_tkhd_tag(pb, track, st);
1102 if (track->mode == MODE_PSP || track->hasBframes)
1103 mov_write_edts_tag(pb, track); // PSP Movies require edts box
1104 mov_write_mdia_tag(pb, track);
1105 if (track->mode == MODE_PSP)
1106 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
1107 return updateSize(pb, pos);
1111 /* TODO: Not sorted out, but not necessary either */
1112 static int mov_write_iods_tag(ByteIOContext *pb, MOVContext *mov)
1114 put_be32(pb, 0x15); /* size */
1115 put_tag(pb, "iods");
1116 put_be32(pb, 0); /* version & flags */
1117 put_be16(pb, 0x1007);
1119 put_be16(pb, 0x4fff);
1120 put_be16(pb, 0xfffe);
1121 put_be16(pb, 0x01ff);
1126 static int mov_write_mvhd_tag(ByteIOContext *pb, MOVContext *mov)
1128 int maxTrackID = 1, i;
1129 int64_t maxTrackLenTemp, maxTrackLen = 0;
1132 for (i=0; i<mov->nb_streams; i++) {
1133 if(mov->tracks[i].entry > 0) {
1134 maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration, globalTimescale, mov->tracks[i].timescale, AV_ROUND_UP);
1135 if(maxTrackLen < maxTrackLenTemp)
1136 maxTrackLen = maxTrackLenTemp;
1137 if(maxTrackID < mov->tracks[i].trackID)
1138 maxTrackID = mov->tracks[i].trackID;
1142 version = maxTrackLen < UINT32_MAX ? 0 : 1;
1143 (version == 1) ? put_be32(pb, 120) : put_be32(pb, 108); /* size */
1144 put_tag(pb, "mvhd");
1145 put_byte(pb, version);
1146 put_be24(pb, 0); /* flags */
1148 put_be64(pb, mov->time);
1149 put_be64(pb, mov->time);
1151 put_be32(pb, mov->time); /* creation time */
1152 put_be32(pb, mov->time); /* modification time */
1154 put_be32(pb, mov->timescale); /* timescale */
1155 (version == 1) ? put_be64(pb, maxTrackLen) : put_be32(pb, maxTrackLen); /* duration of longest track */
1157 put_be32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1158 put_be16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1159 put_be16(pb, 0); /* reserved */
1160 put_be32(pb, 0); /* reserved */
1161 put_be32(pb, 0); /* reserved */
1163 /* Matrix structure */
1164 put_be32(pb, 0x00010000); /* reserved */
1165 put_be32(pb, 0x0); /* reserved */
1166 put_be32(pb, 0x0); /* reserved */
1167 put_be32(pb, 0x0); /* reserved */
1168 put_be32(pb, 0x00010000); /* reserved */
1169 put_be32(pb, 0x0); /* reserved */
1170 put_be32(pb, 0x0); /* reserved */
1171 put_be32(pb, 0x0); /* reserved */
1172 put_be32(pb, 0x40000000); /* reserved */
1174 put_be32(pb, 0); /* reserved (preview time) */
1175 put_be32(pb, 0); /* reserved (preview duration) */
1176 put_be32(pb, 0); /* reserved (poster time) */
1177 put_be32(pb, 0); /* reserved (selection time) */
1178 put_be32(pb, 0); /* reserved (selection duration) */
1179 put_be32(pb, 0); /* reserved (current time) */
1180 put_be32(pb, maxTrackID+1); /* Next track id */
1184 static int mov_write_itunes_hdlr_tag(ByteIOContext *pb, MOVContext *mov,
1187 int64_t pos = url_ftell(pb);
1188 put_be32(pb, 0); /* size */
1189 put_tag(pb, "hdlr");
1192 put_tag(pb, "mdir");
1193 put_tag(pb, "appl");
1197 return updateSize(pb, pos);
1200 /* helper function to write a data tag with the specified string as data */
1201 static int mov_write_string_data_tag(ByteIOContext *pb, const char *data, int long_style)
1204 int64_t pos = url_ftell(pb);
1205 put_be32(pb, 0); /* size */
1206 put_tag(pb, "data");
1209 put_buffer(pb, data, strlen(data));
1210 return updateSize(pb, pos);
1212 put_be16(pb, strlen(data)); /* string length */
1214 put_buffer(pb, data, strlen(data));
1215 return strlen(data) + 4;
1219 static int mov_write_string_tag(ByteIOContext *pb, const char *name, const char *value, int long_style){
1221 if (value && value[0]) {
1222 int64_t pos = url_ftell(pb);
1223 put_be32(pb, 0); /* size */
1225 mov_write_string_data_tag(pb, value, long_style);
1226 size= updateSize(pb, pos);
1232 static int mov_write_day_tag(ByteIOContext *pb, int year, int long_style)
1236 snprintf(year_str, sizeof(year_str), "%04d", year);
1237 return mov_write_string_tag(pb, "\251day", year_str, long_style);
1242 /* iTunes track number */
1243 static int mov_write_trkn_tag(ByteIOContext *pb, MOVContext *mov,
1248 int64_t pos = url_ftell(pb);
1249 put_be32(pb, 0); /* size */
1250 put_tag(pb, "trkn");
1252 int64_t pos = url_ftell(pb);
1253 put_be32(pb, 0); /* size */
1254 put_tag(pb, "data");
1255 put_be32(pb, 0); // 8 bytes empty
1257 put_be16(pb, 0); // empty
1258 put_be16(pb, s->track); // track number
1259 put_be16(pb, 0); // total track number
1260 put_be16(pb, 0); // empty
1261 updateSize(pb, pos);
1263 size = updateSize(pb, pos);
1268 /* iTunes meta data list */
1269 static int mov_write_ilst_tag(ByteIOContext *pb, MOVContext *mov,
1272 int64_t pos = url_ftell(pb);
1273 put_be32(pb, 0); /* size */
1274 put_tag(pb, "ilst");
1275 mov_write_string_tag(pb, "\251nam", s->title , 1);
1276 mov_write_string_tag(pb, "\251ART", s->author , 1);
1277 mov_write_string_tag(pb, "\251wrt", s->author , 1);
1278 mov_write_string_tag(pb, "\251alb", s->album , 1);
1279 mov_write_day_tag(pb, s->year ,1);
1280 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 1);
1281 mov_write_string_tag(pb, "\251cmt", s->comment , 1);
1282 mov_write_string_tag(pb, "\251gen", s->genre , 1);
1283 mov_write_string_tag(pb, "\251cpy", s->copyright , 1);
1284 mov_write_trkn_tag(pb, mov, s);
1285 return updateSize(pb, pos);
1288 /* iTunes meta data tag */
1289 static int mov_write_meta_tag(ByteIOContext *pb, MOVContext *mov,
1294 // only save meta tag if required
1295 if (s->title[0] || s->author[0] || s->album[0] || s->year ||
1296 s->comment[0] || s->genre[0] || s->track) {
1297 int64_t pos = url_ftell(pb);
1298 put_be32(pb, 0); /* size */
1299 put_tag(pb, "meta");
1301 mov_write_itunes_hdlr_tag(pb, mov, s);
1302 mov_write_ilst_tag(pb, mov, s);
1303 size = updateSize(pb, pos);
1308 static int utf8len(const uint8_t *b)
1313 GET_UTF8(val, *b++, return -1;)
1319 static int ascii_to_wc(ByteIOContext *pb, const uint8_t *b)
1323 GET_UTF8(val, *b++, return -1;)
1330 static uint16_t language_code(const char *str)
1332 return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
1335 static int mov_write_3gp_udta_tag(ByteIOContext *pb, AVFormatContext *s,
1336 const char *tag, const char *str)
1338 int64_t pos = url_ftell(pb);
1341 put_be32(pb, 0); /* size */
1342 put_tag (pb, tag); /* type */
1343 put_be32(pb, 0); /* version + flags */
1344 if (!strcmp(tag, "yrrc"))
1345 put_be16(pb, s->year);
1347 put_be16(pb, language_code("eng")); /* language */
1348 ascii_to_wc(pb, str);
1349 if (!strcmp(tag, "albm") && s->year)
1350 put_byte(pb, s->year);
1352 return updateSize(pb, pos);
1355 static int mov_write_udta_tag(ByteIOContext *pb, MOVContext *mov,
1361 for (i = 0; i < s->nb_streams; i++)
1362 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
1367 if (!bitexact && (s->title[0] || s->author[0] || s->album[0] || s->year ||
1368 s->comment[0] || s->genre[0] || s->track)) {
1369 int64_t pos = url_ftell(pb);
1371 put_be32(pb, 0); /* size */
1372 put_tag(pb, "udta");
1374 if (mov->mode & MODE_3GP) {
1375 mov_write_3gp_udta_tag(pb, s, "titl", s->title);
1376 mov_write_3gp_udta_tag(pb, s, "auth", s->author);
1377 mov_write_3gp_udta_tag(pb, s, "gnre", s->genre);
1378 mov_write_3gp_udta_tag(pb, s, "dscp", s->comment);
1379 mov_write_3gp_udta_tag(pb, s, "albm", s->album);
1380 mov_write_3gp_udta_tag(pb, s, "cprt", s->copyright);
1381 mov_write_3gp_udta_tag(pb, s, "yrrc", "nil");
1382 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
1383 mov_write_string_tag(pb, "\251nam", s->title , 0);
1384 mov_write_string_tag(pb, "\251aut", s->author , 0);
1385 mov_write_string_tag(pb, "\251alb", s->album , 0);
1386 mov_write_day_tag(pb, s->year, 0);
1387 mov_write_string_tag(pb, "\251enc", LIBAVFORMAT_IDENT, 0);
1388 mov_write_string_tag(pb, "\251des", s->comment , 0);
1389 mov_write_string_tag(pb, "\251gen", s->genre , 0);
1390 mov_write_string_tag(pb, "\251cpy", s->copyright , 0);
1392 /* iTunes meta data */
1393 mov_write_meta_tag(pb, mov, s);
1395 return updateSize(pb, pos);
1401 static void mov_write_psp_udta_tag(ByteIOContext *pb,
1402 const char *str, const char *lang, int type)
1404 int len = utf8len(str)+1;
1407 put_be16(pb, len*2+10); /* size */
1408 put_be32(pb, type); /* type */
1409 put_be16(pb, language_code(lang)); /* language */
1410 put_be16(pb, 0x01); /* ? */
1411 ascii_to_wc(pb, str);
1414 static int mov_write_uuidusmt_tag(ByteIOContext *pb, AVFormatContext *s)
1419 pos = url_ftell(pb);
1420 put_be32(pb, 0); /* size placeholder*/
1421 put_tag(pb, "uuid");
1422 put_tag(pb, "USMT");
1423 put_be32(pb, 0x21d24fce); /* 96 bit UUID */
1424 put_be32(pb, 0xbb88695c);
1425 put_be32(pb, 0xfac9c740);
1427 pos2 = url_ftell(pb);
1428 put_be32(pb, 0); /* size placeholder*/
1429 put_tag(pb, "MTDT");
1433 put_be16(pb, 0x0C); /* size */
1434 put_be32(pb, 0x0B); /* type */
1435 put_be16(pb, language_code("und")); /* language */
1436 put_be16(pb, 0x0); /* ? */
1437 put_be16(pb, 0x021C); /* data */
1439 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
1440 mov_write_psp_udta_tag(pb, s->title, "eng", 0x01);
1441 // 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);
1442 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
1444 updateSize(pb, pos2);
1445 return updateSize(pb, pos);
1451 static int mov_write_moov_tag(ByteIOContext *pb, MOVContext *mov,
1455 int64_t pos = url_ftell(pb);
1456 put_be32(pb, 0); /* size placeholder*/
1457 put_tag(pb, "moov");
1458 mov->timescale = globalTimescale;
1460 for (i=0; i<mov->nb_streams; i++) {
1461 if(mov->tracks[i].entry <= 0) continue;
1463 mov->tracks[i].time = mov->time;
1464 mov->tracks[i].trackID = i+1;
1467 mov_write_mvhd_tag(pb, mov);
1468 //mov_write_iods_tag(pb, mov);
1469 for (i=0; i<mov->nb_streams; i++) {
1470 if(mov->tracks[i].entry > 0) {
1471 mov_write_trak_tag(pb, &(mov->tracks[i]), s->streams[i]);
1475 if (mov->mode == MODE_PSP)
1476 mov_write_uuidusmt_tag(pb, s);
1478 mov_write_udta_tag(pb, mov, s);
1480 return updateSize(pb, pos);
1483 static int mov_write_mdat_tag(ByteIOContext *pb, MOVContext *mov)
1485 put_be32(pb, 8); // placeholder for extended size field (64 bit)
1486 put_tag(pb, mov->mode == MODE_MOV ? "wide" : "free");
1488 mov->mdat_pos = url_ftell(pb);
1489 put_be32(pb, 0); /* size placeholder*/
1490 put_tag(pb, "mdat");
1494 /* TODO: This needs to be more general */
1495 static int mov_write_ftyp_tag(ByteIOContext *pb, AVFormatContext *s)
1497 MOVContext *mov = s->priv_data;
1498 int64_t pos = url_ftell(pb);
1499 int has_h264 = 0, has_video = 0;
1503 for (i = 0; i < s->nb_streams; i++) {
1504 AVStream *st = s->streams[i];
1505 if (st->codec->codec_type == CODEC_TYPE_VIDEO)
1507 if (st->codec->codec_id == CODEC_ID_H264)
1511 put_be32(pb, 0); /* size */
1512 put_tag(pb, "ftyp");
1514 if (mov->mode == MODE_3GP) {
1515 put_tag(pb, has_h264 ? "3gp6" : "3gp4");
1516 minor = has_h264 ? 0x100 : 0x200;
1517 } else if (mov->mode & MODE_3G2) {
1518 put_tag(pb, has_h264 ? "3g2b" : "3g2a");
1519 minor = has_h264 ? 0x20000 : 0x10000;
1520 }else if (mov->mode == MODE_PSP)
1521 put_tag(pb, "MSNV");
1522 else if (mov->mode == MODE_MP4)
1523 put_tag(pb, "isom");
1524 else if (mov->mode == MODE_IPOD)
1525 put_tag(pb, has_video ? "M4V ":"M4A ");
1529 put_be32(pb, minor);
1531 if(mov->mode == MODE_MOV)
1534 put_tag(pb, "isom");
1535 put_tag(pb, "iso2");
1537 put_tag(pb, "avc1");
1540 if (mov->mode == MODE_3GP)
1541 put_tag(pb, has_h264 ? "3gp6":"3gp4");
1542 else if (mov->mode & MODE_3G2)
1543 put_tag(pb, has_h264 ? "3g2b":"3g2a");
1544 else if (mov->mode == MODE_PSP)
1545 put_tag(pb, "MSNV");
1546 else if (mov->mode == MODE_MP4)
1547 put_tag(pb, "mp41");
1548 return updateSize(pb, pos);
1551 static void mov_write_uuidprof_tag(ByteIOContext *pb, AVFormatContext *s)
1553 AVCodecContext *VideoCodec = s->streams[0]->codec;
1554 AVCodecContext *AudioCodec = s->streams[1]->codec;
1555 int AudioRate = AudioCodec->sample_rate;
1556 int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num);
1557 int audio_kbitrate= AudioCodec->bit_rate / 1000;
1558 int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate);
1560 put_be32(pb, 0x94); /* size */
1561 put_tag(pb, "uuid");
1562 put_tag(pb, "PROF");
1564 put_be32(pb, 0x21d24fce); /* 96 bit UUID */
1565 put_be32(pb, 0xbb88695c);
1566 put_be32(pb, 0xfac9c740);
1568 put_be32(pb, 0x0); /* ? */
1569 put_be32(pb, 0x3); /* 3 sections ? */
1571 put_be32(pb, 0x14); /* size */
1572 put_tag(pb, "FPRF");
1573 put_be32(pb, 0x0); /* ? */
1574 put_be32(pb, 0x0); /* ? */
1575 put_be32(pb, 0x0); /* ? */
1577 put_be32(pb, 0x2c); /* size */
1578 put_tag(pb, "APRF"); /* audio */
1580 put_be32(pb, 0x2); /* TrackID */
1581 put_tag(pb, "mp4a");
1582 put_be32(pb, 0x20f);
1584 put_be32(pb, audio_kbitrate);
1585 put_be32(pb, audio_kbitrate);
1586 put_be32(pb, AudioRate);
1587 put_be32(pb, AudioCodec->channels);
1589 put_be32(pb, 0x34); /* size */
1590 put_tag(pb, "VPRF"); /* video */
1592 put_be32(pb, 0x1); /* TrackID */
1593 if (VideoCodec->codec_id == CODEC_ID_H264) {
1594 put_tag(pb, "avc1");
1595 put_be16(pb, 0x014D);
1596 put_be16(pb, 0x0015);
1598 put_tag(pb, "mp4v");
1599 put_be16(pb, 0x0000);
1600 put_be16(pb, 0x0103);
1603 put_be32(pb, video_kbitrate);
1604 put_be32(pb, video_kbitrate);
1605 put_be32(pb, FrameRate);
1606 put_be32(pb, FrameRate);
1607 put_be16(pb, VideoCodec->width);
1608 put_be16(pb, VideoCodec->height);
1609 put_be32(pb, 0x010001); /* ? */
1612 static int mov_write_header(AVFormatContext *s)
1614 ByteIOContext *pb = s->pb;
1615 MOVContext *mov = s->priv_data;
1618 if (url_is_streamed(s->pb)) {
1619 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
1623 /* Default mode == MP4 */
1624 mov->mode = MODE_MP4;
1626 if (s->oformat != NULL) {
1627 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
1628 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
1629 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
1630 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
1631 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
1633 mov_write_ftyp_tag(pb,s);
1634 if (mov->mode == MODE_PSP) {
1635 if (s->nb_streams != 2) {
1636 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
1639 mov_write_uuidprof_tag(pb,s);
1643 for(i=0; i<s->nb_streams; i++){
1644 AVStream *st= s->streams[i];
1645 MOVTrack *track= &mov->tracks[i];
1647 track->enc = st->codec;
1648 track->language = ff_mov_iso639_to_lang(st->language, mov->mode != MODE_MOV);
1649 track->mode = mov->mode;
1650 track->tag = mov_find_codec_tag(s, track);
1652 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
1653 "codec not currently supported in container\n", i);
1656 if(st->codec->codec_type == CODEC_TYPE_VIDEO){
1657 track->timescale = st->codec->time_base.den;
1658 av_set_pts_info(st, 64, 1, st->codec->time_base.den);
1659 if (track->mode == MODE_MOV && track->timescale > 100000)
1660 av_log(s, AV_LOG_WARNING,
1661 "WARNING codec timebase is very high. If duration is too long,\n"
1662 "file may not be playable by quicktime. Specify a shorter timebase\n"
1663 "or choose different container.\n");
1664 }else if(st->codec->codec_type == CODEC_TYPE_AUDIO){
1665 track->timescale = st->codec->sample_rate;
1666 av_set_pts_info(st, 64, 1, st->codec->sample_rate);
1667 if(!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
1668 av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
1670 }else if(st->codec->frame_size > 1){ /* assume compressed audio */
1671 track->audio_vbr = 1;
1673 st->codec->frame_size = 1;
1674 track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
1676 if(track->mode != MODE_MOV &&
1677 track->enc->codec_id == CODEC_ID_MP3 && track->enc->sample_rate < 16000){
1678 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
1679 i, track->enc->sample_rate);
1682 }else if(st->codec->codec_type == CODEC_TYPE_SUBTITLE){
1683 track->timescale = st->codec->time_base.den;
1684 av_set_pts_info(st, 64, 1, st->codec->time_base.den);
1688 mov_write_mdat_tag(pb, mov);
1689 mov->time = s->timestamp + 0x7C25B080; //1970 based -> 1904 based
1690 mov->nb_streams = s->nb_streams;
1692 put_flush_packet(pb);
1697 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
1699 MOVContext *mov = s->priv_data;
1700 ByteIOContext *pb = s->pb;
1701 MOVTrack *trk = &mov->tracks[pkt->stream_index];
1702 AVCodecContext *enc = trk->enc;
1703 unsigned int samplesInChunk = 0;
1704 int size= pkt->size;
1706 if (url_is_streamed(s->pb)) return 0; /* Can't handle that */
1707 if (!size) return 0; /* Discard 0 sized packets */
1709 if (enc->codec_id == CODEC_ID_AMR_NB) {
1710 /* We must find out how many AMR blocks there are in one packet */
1711 static uint16_t packed_size[16] =
1712 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 0};
1715 while (len < size && samplesInChunk < 100) {
1716 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
1719 if(samplesInChunk > 1){
1720 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
1723 } else if (trk->sampleSize)
1724 samplesInChunk = size/trk->sampleSize;
1728 /* copy extradata if it exists */
1729 if (trk->vosLen == 0 && enc->extradata_size > 0) {
1730 trk->vosLen = enc->extradata_size;
1731 trk->vosData = av_malloc(trk->vosLen);
1732 memcpy(trk->vosData, enc->extradata, trk->vosLen);
1735 if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) {
1736 /* from x264 or from bytestream h264 */
1737 /* nal reformating needed */
1738 int ret = ff_avc_parse_nal_units(pkt->data, &pkt->data, &pkt->size);
1743 } else if ((enc->codec_id == CODEC_ID_DNXHD ||
1744 enc->codec_id == CODEC_ID_AC3) && !trk->vosLen) {
1745 /* copy frame to create needed atoms */
1747 trk->vosData = av_malloc(size);
1749 return AVERROR(ENOMEM);
1750 memcpy(trk->vosData, pkt->data, size);
1753 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
1754 trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster));
1759 trk->cluster[trk->entry].pos = url_ftell(pb);
1760 trk->cluster[trk->entry].samplesInChunk = samplesInChunk;
1761 trk->cluster[trk->entry].size = size;
1762 trk->cluster[trk->entry].entries = samplesInChunk;
1763 trk->cluster[trk->entry].dts = pkt->dts;
1764 trk->trackDuration = pkt->dts - trk->cluster[0].dts + pkt->duration;
1766 if (pkt->pts == AV_NOPTS_VALUE) {
1767 av_log(s, AV_LOG_WARNING, "pts has no value\n");
1768 pkt->pts = pkt->dts;
1770 if (pkt->dts != pkt->pts)
1771 trk->hasBframes = 1;
1772 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
1773 trk->cluster[trk->entry].key_frame = !!(pkt->flags & PKT_FLAG_KEY);
1774 if(trk->cluster[trk->entry].key_frame)
1775 trk->hasKeyframes++;
1777 trk->sampleCount += samplesInChunk;
1778 mov->mdat_size += size;
1780 put_buffer(pb, pkt->data, size);
1782 put_flush_packet(pb);
1786 static int mov_write_trailer(AVFormatContext *s)
1788 MOVContext *mov = s->priv_data;
1789 ByteIOContext *pb = s->pb;
1793 int64_t moov_pos = url_ftell(pb);
1795 /* Write size of mdat tag */
1796 if (mov->mdat_size+8 <= UINT32_MAX) {
1797 url_fseek(pb, mov->mdat_pos, SEEK_SET);
1798 put_be32(pb, mov->mdat_size+8);
1800 /* overwrite 'wide' placeholder atom */
1801 url_fseek(pb, mov->mdat_pos - 8, SEEK_SET);
1802 put_be32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */
1803 put_tag(pb, "mdat");
1804 put_be64(pb, mov->mdat_size+16);
1806 url_fseek(pb, moov_pos, SEEK_SET);
1808 mov_write_moov_tag(pb, mov, s);
1810 for (i=0; i<mov->nb_streams; i++) {
1811 av_freep(&mov->tracks[i].cluster);
1813 if(mov->tracks[i].vosLen) av_free(mov->tracks[i].vosData);
1817 put_flush_packet(pb);
1822 #ifdef CONFIG_MOV_MUXER
1823 AVOutputFormat mov_muxer = {
1825 NULL_IF_CONFIG_SMALL("MOV format"),
1834 .flags = AVFMT_GLOBALHEADER,
1835 .codec_tag = (const AVCodecTag* const []){codec_movvideo_tags, codec_movaudio_tags, 0},
1838 #ifdef CONFIG_TGP_MUXER
1839 AVOutputFormat tgp_muxer = {
1841 NULL_IF_CONFIG_SMALL("3GP format"),
1850 .flags = AVFMT_GLOBALHEADER,
1851 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
1854 #ifdef CONFIG_MP4_MUXER
1855 AVOutputFormat mp4_muxer = {
1857 NULL_IF_CONFIG_SMALL("MP4 format"),
1866 .flags = AVFMT_GLOBALHEADER,
1867 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
1870 #ifdef CONFIG_PSP_MUXER
1871 AVOutputFormat psp_muxer = {
1873 NULL_IF_CONFIG_SMALL("PSP MP4 format"),
1882 .flags = AVFMT_GLOBALHEADER,
1883 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
1886 #ifdef CONFIG_TG2_MUXER
1887 AVOutputFormat tg2_muxer = {
1889 NULL_IF_CONFIG_SMALL("3GP2 format"),
1898 .flags = AVFMT_GLOBALHEADER,
1899 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
1902 #ifdef CONFIG_IPOD_MUXER
1903 AVOutputFormat ipod_muxer = {
1905 NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"),
1914 .flags = AVFMT_GLOBALHEADER,
1915 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},