3 * Copyright (c) 2003 Thomas Raivio.
4 * Copyright (c) 2004 Gildas Bazin <gbazin at videolan dot org>.
6 * This file is part of FFmpeg.
8 * FFmpeg is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * FFmpeg is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with FFmpeg; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
27 #include "libavcodec/bitstream.h"
32 #define MOV_INDEX_CLUSTER_SIZE 16384
33 #define globalTimescale 1000
38 #define MODE_PSP 0x08 // example working PSP command line:
39 // ffmpeg -i testinput.avi -f psp -r 14.985 -s 320x240 -b 768 -ar 24000 -ab 32 M4V00001.MP4
41 #define MODE_IPOD 0x20
43 typedef struct MOVIentry {
44 unsigned int flags, size;
46 unsigned int samplesInChunk;
53 typedef struct MOVIndex {
58 int64_t trackDuration;
65 int tag; ///< stsd fourcc
74 typedef struct MOVContext {
81 MOVTrack tracks[MAX_STREAMS];
84 //FIXME support 64 bit variant with wide placeholders
85 static offset_t updateSize(ByteIOContext *pb, offset_t pos)
87 offset_t curpos = url_ftell(pb);
88 url_fseek(pb, pos, SEEK_SET);
89 put_be32(pb, curpos - pos); /* rewrite size */
90 url_fseek(pb, curpos, SEEK_SET);
95 /* Chunk offset atom */
96 static int mov_write_stco_tag(ByteIOContext *pb, MOVTrack *track)
99 int mode64 = 0; // use 32 bit size variant if possible
100 offset_t pos = url_ftell(pb);
101 put_be32(pb, 0); /* size */
102 if (pos > UINT32_MAX) {
107 put_be32(pb, 0); /* version & flags */
108 put_be32(pb, track->entry); /* entry count */
109 for (i=0; i<track->entry; i++) {
111 put_be64(pb, track->cluster[i].pos);
113 put_be32(pb, track->cluster[i].pos);
115 return updateSize(pb, pos);
118 /* Sample size atom */
119 static int mov_write_stsz_tag(ByteIOContext *pb, MOVTrack *track)
122 int i, j, entries = 0, tst = -1, oldtst = -1;
124 offset_t pos = url_ftell(pb);
125 put_be32(pb, 0); /* size */
127 put_be32(pb, 0); /* version & flags */
129 for (i=0; i<track->entry; i++) {
130 tst = track->cluster[i].size/track->cluster[i].entries;
131 if(oldtst != -1 && tst != oldtst) {
135 entries += track->cluster[i].entries;
138 int sSize = track->cluster[0].size/track->cluster[0].entries;
139 put_be32(pb, sSize); // sample size
140 put_be32(pb, entries); // sample count
143 put_be32(pb, 0); // sample size
144 put_be32(pb, entries); // sample count
145 for (i=0; i<track->entry; i++) {
146 for (j=0; j<track->cluster[i].entries; j++) {
147 put_be32(pb, track->cluster[i].size /
148 track->cluster[i].entries);
152 return updateSize(pb, pos);
155 /* Sample to chunk atom */
156 static int mov_write_stsc_tag(ByteIOContext *pb, MOVTrack *track)
158 int index = 0, oldval = -1, i;
159 offset_t entryPos, curpos;
161 offset_t pos = url_ftell(pb);
162 put_be32(pb, 0); /* size */
164 put_be32(pb, 0); // version & flags
165 entryPos = url_ftell(pb);
166 put_be32(pb, track->entry); // entry count
167 for (i=0; i<track->entry; i++) {
168 if(oldval != track->cluster[i].samplesInChunk)
170 put_be32(pb, i+1); // first chunk
171 put_be32(pb, track->cluster[i].samplesInChunk); // samples per chunk
172 put_be32(pb, 0x1); // sample description index
173 oldval = track->cluster[i].samplesInChunk;
177 curpos = url_ftell(pb);
178 url_fseek(pb, entryPos, SEEK_SET);
179 put_be32(pb, index); // rewrite size
180 url_fseek(pb, curpos, SEEK_SET);
182 return updateSize(pb, pos);
185 /* Sync sample atom */
186 static int mov_write_stss_tag(ByteIOContext *pb, MOVTrack *track)
188 offset_t curpos, entryPos;
190 offset_t pos = url_ftell(pb);
191 put_be32(pb, 0); // size
193 put_be32(pb, 0); // version & flags
194 entryPos = url_ftell(pb);
195 put_be32(pb, track->entry); // entry count
196 for (i=0; i<track->entry; i++) {
197 if(track->cluster[i].key_frame == 1) {
202 curpos = url_ftell(pb);
203 url_fseek(pb, entryPos, SEEK_SET);
204 put_be32(pb, index); // rewrite size
205 url_fseek(pb, curpos, SEEK_SET);
206 return updateSize(pb, pos);
209 static int mov_write_amr_tag(ByteIOContext *pb, MOVTrack *track)
211 put_be32(pb, 0x11); /* size */
212 if (track->mode == MODE_MOV) put_tag(pb, "samr");
213 else put_tag(pb, "damr");
215 put_byte(pb, 0); /* decoder version */
217 put_be16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
218 put_byte(pb, 0x00); /* Mode change period (no restriction) */
219 put_byte(pb, 0x01); /* Frames per sample */
223 static int mov_write_ac3_tag(ByteIOContext *pb, MOVTrack *track)
228 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
230 if (track->vosLen < 7)
236 init_get_bits(&gbc, track->vosData+4, track->vosLen-4);
237 fscod = get_bits(&gbc, 2);
238 frmsizecod = get_bits(&gbc, 6);
239 bsid = get_bits(&gbc, 5);
240 bsmod = get_bits(&gbc, 3);
241 acmod = get_bits(&gbc, 3);
243 skip_bits(&gbc, 2); // dsurmod
245 if ((acmod & 1) && acmod != 1)
246 skip_bits(&gbc, 2); // cmixlev
248 skip_bits(&gbc, 2); // surmixlev
250 lfeon = get_bits1(&gbc);
252 init_put_bits(&pbc, buf, sizeof(buf));
253 put_bits(&pbc, 2, fscod);
254 put_bits(&pbc, 5, bsid);
255 put_bits(&pbc, 3, bsmod);
256 put_bits(&pbc, 3, acmod);
257 put_bits(&pbc, 1, lfeon);
258 put_bits(&pbc, 5, frmsizecod>>1); // bit_rate_code
259 put_bits(&pbc, 5, 0); // reserved
261 flush_put_bits(&pbc);
262 put_buffer(pb, buf, sizeof(buf));
268 * This function writes extradata "as is".
269 * Extradata must be formated like a valid atom (with size and tag)
271 static int mov_write_extradata_tag(ByteIOContext *pb, MOVTrack *track)
273 put_buffer(pb, track->enc->extradata, track->enc->extradata_size);
274 return track->enc->extradata_size;
277 static int mov_write_enda_tag(ByteIOContext *pb)
281 put_be16(pb, 1); /* little endian */
285 static unsigned int descrLength(unsigned int len)
288 for(i=1; len>>(7*i); i++);
292 static void putDescr(ByteIOContext *pb, int tag, unsigned int size)
294 int i= descrLength(size) - size - 2;
297 put_byte(pb, (size>>(7*i)) | 0x80);
298 put_byte(pb, size & 0x7F);
301 static int mov_write_esds_tag(ByteIOContext *pb, MOVTrack *track) // Basic
303 offset_t pos = url_ftell(pb);
304 int decoderSpecificInfoLen = track->vosLen ? descrLength(track->vosLen):0;
306 put_be32(pb, 0); // size
308 put_be32(pb, 0); // Version
311 putDescr(pb, 0x03, 3 + descrLength(13 + decoderSpecificInfoLen) +
313 put_be16(pb, track->trackID);
314 put_byte(pb, 0x00); // flags (= no flags)
316 // DecoderConfig descriptor
317 putDescr(pb, 0x04, 13 + decoderSpecificInfoLen);
319 // Object type indication
320 if ((track->enc->codec_id == CODEC_ID_MP2 ||
321 track->enc->codec_id == CODEC_ID_MP3) &&
322 track->enc->sample_rate > 24000)
323 put_byte(pb, 0x6B); // 11172-3
325 put_byte(pb, codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
327 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
328 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
329 if(track->enc->codec_type == CODEC_TYPE_AUDIO)
330 put_byte(pb, 0x15); // flags (= Audiostream)
332 put_byte(pb, 0x11); // flags (= Visualstream)
334 put_byte(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits)
335 put_be16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB
337 put_be32(pb, FFMAX(track->enc->bit_rate, track->enc->rc_max_rate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
338 if(track->enc->rc_max_rate != track->enc->rc_min_rate || track->enc->rc_min_rate==0)
339 put_be32(pb, 0); // vbr
341 put_be32(pb, track->enc->rc_max_rate); // avg bitrate
344 // DecoderSpecific info descriptor
345 putDescr(pb, 0x05, track->vosLen);
346 put_buffer(pb, track->vosData, track->vosLen);
350 putDescr(pb, 0x06, 1);
352 return updateSize(pb, pos);
355 static int mov_write_wave_tag(ByteIOContext *pb, MOVTrack *track)
357 offset_t pos = url_ftell(pb);
359 put_be32(pb, 0); /* size */
362 put_be32(pb, 12); /* size */
364 put_le32(pb, track->tag);
366 if (track->enc->codec_id == CODEC_ID_AAC) {
367 /* useless atom needed by mplayer, ipod, not needed by quicktime */
368 put_be32(pb, 12); /* size */
371 mov_write_esds_tag(pb, track);
372 } else if (track->enc->codec_id == CODEC_ID_PCM_S24LE ||
373 track->enc->codec_id == CODEC_ID_PCM_S32LE) {
374 mov_write_enda_tag(pb);
375 } else if (track->enc->codec_id == CODEC_ID_AMR_NB) {
376 mov_write_amr_tag(pb, track);
377 } else if (track->enc->codec_id == CODEC_ID_AC3) {
378 mov_write_ac3_tag(pb, track);
379 } else if (track->enc->codec_id == CODEC_ID_ALAC) {
380 mov_write_extradata_tag(pb, track);
383 put_be32(pb, 8); /* size */
384 put_be32(pb, 0); /* null tag */
386 return updateSize(pb, pos);
389 static int mov_write_glbl_tag(ByteIOContext *pb, MOVTrack *track)
391 put_be32(pb, track->vosLen+8);
393 put_buffer(pb, track->vosData, track->vosLen);
394 return 8+track->vosLen;
397 static int mov_write_audio_tag(ByteIOContext *pb, MOVTrack *track)
399 offset_t pos = url_ftell(pb);
400 int version = track->mode == MODE_MOV &&
402 track->enc->codec_id == CODEC_ID_PCM_S32LE ||
403 track->enc->codec_id == CODEC_ID_PCM_S24LE);
405 put_be32(pb, 0); /* size */
406 put_le32(pb, track->tag); // store it byteswapped
407 put_be32(pb, 0); /* Reserved */
408 put_be16(pb, 0); /* Reserved */
409 put_be16(pb, 1); /* Data-reference index, XXX == 1 */
411 /* SoundDescription */
412 put_be16(pb, version); /* Version */
413 put_be16(pb, 0); /* Revision level */
414 put_be32(pb, 0); /* Reserved */
416 if (track->mode == MODE_MOV) {
417 put_be16(pb, track->enc->channels);
418 if (track->enc->codec_id == CODEC_ID_PCM_U8 ||
419 track->enc->codec_id == CODEC_ID_PCM_S8)
420 put_be16(pb, 8); /* bits per sample */
423 put_be16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
424 } else { /* reserved for mp4/3gp */
430 put_be16(pb, 0); /* packet size (= 0) */
431 put_be16(pb, track->timescale); /* Time scale */
432 put_be16(pb, 0); /* Reserved */
434 if(version == 1) { /* SoundDescription V1 extended info */
435 put_be32(pb, track->enc->frame_size); /* Samples per packet */
436 put_be32(pb, track->sampleSize / track->enc->channels); /* Bytes per packet */
437 put_be32(pb, track->sampleSize); /* Bytes per frame */
438 put_be32(pb, 2); /* Bytes per sample */
441 if(track->mode == MODE_MOV &&
442 (track->enc->codec_id == CODEC_ID_AAC ||
443 track->enc->codec_id == CODEC_ID_AC3 ||
444 track->enc->codec_id == CODEC_ID_AMR_NB ||
445 track->enc->codec_id == CODEC_ID_PCM_S24LE ||
446 track->enc->codec_id == CODEC_ID_PCM_S32LE ||
447 track->enc->codec_id == CODEC_ID_ALAC))
448 mov_write_wave_tag(pb, track);
449 else if(track->tag == MKTAG('m','p','4','a'))
450 mov_write_esds_tag(pb, track);
451 else if(track->enc->codec_id == CODEC_ID_AMR_NB)
452 mov_write_amr_tag(pb, track);
453 else if(track->enc->codec_id == CODEC_ID_AC3)
454 mov_write_ac3_tag(pb, track);
455 else if (track->enc->codec_id == CODEC_ID_ALAC)
456 mov_write_extradata_tag(pb, track);
457 else if(track->vosLen > 0)
458 mov_write_glbl_tag(pb, track);
460 return updateSize(pb, pos);
463 static int mov_write_d263_tag(ByteIOContext *pb)
465 put_be32(pb, 0xf); /* size */
468 put_byte(pb, 0); /* decoder version */
469 /* FIXME use AVCodecContext level/profile, when encoder will set values */
470 put_byte(pb, 0xa); /* level */
471 put_byte(pb, 0); /* profile */
475 /* TODO: No idea about these values */
476 static int mov_write_svq3_tag(ByteIOContext *pb)
482 put_be32(pb, 0xe2c0211d);
483 put_be32(pb, 0xc0000000);
488 static int mov_write_avcc_tag(ByteIOContext *pb, MOVTrack *track)
490 offset_t pos = url_ftell(pb);
494 ff_isom_write_avcc(pb, track->vosData, track->vosLen);
495 return updateSize(pb, pos);
498 /* also used by all avid codecs (dv, imx, meridien) and their variants */
499 static int mov_write_avid_tag(ByteIOContext *pb, MOVTrack *track)
502 put_be32(pb, 24); /* size */
506 put_be32(pb, 1); /* yuv 1 / rgb 2 ? */
507 put_be32(pb, 0); /* unknown */
509 put_be32(pb, 24); /* size */
513 put_be32(pb, 1); /* unknown */
514 put_be32(pb, 0); /* unknown */
516 put_be32(pb, 120); /* size */
520 put_be32(pb, AV_RB32(track->vosData + 0x28)); /* dnxhd cid, some id ? */
521 put_be32(pb, track->enc->width);
522 /* values below are based on samples created with quicktime and avid codecs */
523 if (track->vosData[5] & 2) { // interlaced
524 put_be32(pb, track->enc->height/2);
525 put_be32(pb, 2); /* unknown */
526 put_be32(pb, 0); /* unknown */
527 put_be32(pb, 4); /* unknown */
529 put_be32(pb, track->enc->height);
530 put_be32(pb, 1); /* unknown */
531 put_be32(pb, 0); /* unknown */
532 if (track->enc->height == 1080)
533 put_be32(pb, 5); /* unknown */
535 put_be32(pb, 6); /* unknown */
538 for (i = 0; i < 10; i++)
541 /* extra padding for stsd needed */
546 static const AVCodecTag codec_3gp_tags[] = {
547 { CODEC_ID_H263, MKTAG('s','2','6','3') },
548 { CODEC_ID_H264, MKTAG('a','v','c','1') },
549 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
550 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
551 { CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
552 { CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
555 static const AVCodecTag mov_pix_fmt_tags[] = {
556 { PIX_FMT_YUYV422, MKTAG('y','u','v','s') },
557 { PIX_FMT_UYVY422, MKTAG('2','v','u','y') },
558 { PIX_FMT_BGR555, MKTAG('r','a','w',' ') },
559 { PIX_FMT_RGB24, MKTAG('r','a','w',' ') },
560 { PIX_FMT_BGR32_1, MKTAG('r','a','w',' ') },
563 static const AVCodecTag codec_ipod_tags[] = {
564 { CODEC_ID_H264, MKTAG('a','v','c','1') },
565 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
566 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
567 { CODEC_ID_ALAC, MKTAG('a','l','a','c') },
568 { CODEC_ID_AC3, MKTAG('a','c','-','3') },
571 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
573 int tag = track->enc->codec_tag;
574 if (track->mode == MODE_MP4 || track->mode == MODE_PSP) {
575 if (!codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
577 if (track->enc->codec_id == CODEC_ID_H264) tag = MKTAG('a','v','c','1');
578 else if (track->enc->codec_id == CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
579 else if (track->enc->codec_id == CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
580 else if (track->enc->codec_type == CODEC_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
581 else if (track->enc->codec_type == CODEC_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
582 } else if (track->mode == MODE_IPOD) {
583 tag = codec_get_tag(codec_ipod_tags, track->enc->codec_id);
584 if (!match_ext(s->filename, "m4a") && !match_ext(s->filename, "m4v"))
585 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
586 "Quicktime/Ipod might not play the file\n");
587 } else if (track->mode & MODE_3GP) {
588 tag = codec_get_tag(codec_3gp_tags, track->enc->codec_id);
589 } else if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
590 (tag == MKTAG('d','v','c','p') ||
591 track->enc->codec_id == CODEC_ID_RAWVIDEO))) {
592 if (track->enc->codec_id == CODEC_ID_DVVIDEO) {
593 if (track->enc->height == 480) /* NTSC */
594 if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
595 else tag = MKTAG('d','v','c',' ');
596 else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
597 else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
598 else tag = MKTAG('d','v','p','p');
599 } else if (track->enc->codec_id == CODEC_ID_RAWVIDEO) {
600 tag = codec_get_tag(mov_pix_fmt_tags, track->enc->pix_fmt);
601 if (!tag) // restore tag
602 tag = track->enc->codec_tag;
604 if (track->enc->codec_type == CODEC_TYPE_VIDEO) {
605 tag = codec_get_tag(codec_movvideo_tags, track->enc->codec_id);
606 if (!tag) { // if no mac fcc found, try with Microsoft tags
607 tag = codec_get_tag(codec_bmp_tags, track->enc->codec_id);
609 av_log(s, AV_LOG_INFO, "Warning, using MS style video codec tag, "
610 "the file may be unplayable!\n");
612 } else if (track->enc->codec_type == CODEC_TYPE_AUDIO) {
613 tag = codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
614 if (!tag) { // if no mac fcc found, try with Microsoft tags
615 int ms_tag = codec_get_tag(codec_wav_tags, track->enc->codec_id);
617 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
618 av_log(s, AV_LOG_INFO, "Warning, using MS style audio codec tag, "
619 "the file may be unplayable!\n");
629 * Needed to make file play in iPods running newest firmware
630 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
632 static int mov_write_uuid_tag_ipod(ByteIOContext *pb)
636 put_be32(pb, 0x6b6840f2);
637 put_be32(pb, 0x5f244fc5);
638 put_be32(pb, 0xba39a51b);
639 put_be32(pb, 0xcf0323f3);
644 static int mov_write_video_tag(ByteIOContext *pb, MOVTrack *track)
646 offset_t pos = url_ftell(pb);
647 char compressor_name[32];
649 put_be32(pb, 0); /* size */
650 put_le32(pb, track->tag); // store it byteswapped
651 put_be32(pb, 0); /* Reserved */
652 put_be16(pb, 0); /* Reserved */
653 put_be16(pb, 1); /* Data-reference index */
655 put_be16(pb, 0); /* Codec stream version */
656 put_be16(pb, 0); /* Codec stream revision (=0) */
657 if (track->mode == MODE_MOV) {
658 put_tag(pb, "FFMP"); /* Vendor */
659 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
660 put_be32(pb, 0); /* Temporal Quality */
661 put_be32(pb, 0x400); /* Spatial Quality = lossless*/
663 put_be32(pb, 0x200); /* Temporal Quality = normal */
664 put_be32(pb, 0x200); /* Spatial Quality = normal */
667 put_be32(pb, 0); /* Reserved */
668 put_be32(pb, 0); /* Reserved */
669 put_be32(pb, 0); /* Reserved */
671 put_be16(pb, track->enc->width); /* Video width */
672 put_be16(pb, track->enc->height); /* Video height */
673 put_be32(pb, 0x00480000); /* Horizontal resolution 72dpi */
674 put_be32(pb, 0x00480000); /* Vertical resolution 72dpi */
675 put_be32(pb, 0); /* Data size (= 0) */
676 put_be16(pb, 1); /* Frame count (= 1) */
678 memset(compressor_name,0,32);
679 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
680 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
681 strncpy(compressor_name,track->enc->codec->name,31);
682 put_byte(pb, strlen(compressor_name));
683 put_buffer(pb, compressor_name, 31);
685 if (track->mode == MODE_MOV && track->enc->bits_per_sample)
686 put_be16(pb, track->enc->bits_per_sample);
688 put_be16(pb, 0x18); /* Reserved */
689 put_be16(pb, 0xffff); /* Reserved */
690 if(track->tag == MKTAG('m','p','4','v'))
691 mov_write_esds_tag(pb, track);
692 else if(track->enc->codec_id == CODEC_ID_H263)
693 mov_write_d263_tag(pb);
694 else if(track->enc->codec_id == CODEC_ID_SVQ3)
695 mov_write_svq3_tag(pb);
696 else if(track->enc->codec_id == CODEC_ID_DNXHD)
697 mov_write_avid_tag(pb, track);
698 else if(track->enc->codec_id == CODEC_ID_H264) {
699 mov_write_avcc_tag(pb, track);
700 if(track->mode == MODE_IPOD)
701 mov_write_uuid_tag_ipod(pb);
702 } else if(track->vosLen > 0)
703 mov_write_glbl_tag(pb, track);
705 return updateSize(pb, pos);
708 static int mov_write_stsd_tag(ByteIOContext *pb, MOVTrack *track)
710 offset_t pos = url_ftell(pb);
711 put_be32(pb, 0); /* size */
713 put_be32(pb, 0); /* version & flags */
714 put_be32(pb, 1); /* entry count */
715 if (track->enc->codec_type == CODEC_TYPE_VIDEO)
716 mov_write_video_tag(pb, track);
717 else if (track->enc->codec_type == CODEC_TYPE_AUDIO)
718 mov_write_audio_tag(pb, track);
719 return updateSize(pb, pos);
722 static int mov_write_ctts_tag(ByteIOContext *pb, MOVTrack *track)
724 MOV_stts_t *ctts_entries;
725 uint32_t entries = 0;
729 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
730 ctts_entries[0].count = 1;
731 ctts_entries[0].duration = track->cluster[0].cts;
732 for (i=1; i<track->entry; i++) {
733 if (track->cluster[i].cts == ctts_entries[entries].duration) {
734 ctts_entries[entries].count++; /* compress */
737 ctts_entries[entries].duration = track->cluster[i].cts;
738 ctts_entries[entries].count = 1;
741 entries++; /* last one */
742 atom_size = 16 + (entries * 8);
743 put_be32(pb, atom_size); /* size */
745 put_be32(pb, 0); /* version & flags */
746 put_be32(pb, entries); /* entry count */
747 for (i=0; i<entries; i++) {
748 put_be32(pb, ctts_entries[i].count);
749 put_be32(pb, ctts_entries[i].duration);
751 av_free(ctts_entries);
755 /* Time to sample atom */
756 static int mov_write_stts_tag(ByteIOContext *pb, MOVTrack *track)
758 MOV_stts_t *stts_entries;
759 uint32_t entries = -1;
763 if (track->enc->codec_type == CODEC_TYPE_AUDIO && !track->audio_vbr) {
764 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
765 stts_entries[0].count = track->sampleCount;
766 stts_entries[0].duration = 1;
769 stts_entries = av_malloc(track->entry * sizeof(*stts_entries)); /* worst case */
770 for (i=0; i<track->entry; i++) {
771 int64_t duration = i + 1 == track->entry ?
772 track->trackDuration - track->cluster[i].dts + track->cluster[0].dts : /* readjusting */
773 track->cluster[i+1].dts - track->cluster[i].dts;
774 if (i && duration == stts_entries[entries].duration) {
775 stts_entries[entries].count++; /* compress */
778 stts_entries[entries].duration = duration;
779 stts_entries[entries].count = 1;
782 entries++; /* last one */
784 atom_size = 16 + (entries * 8);
785 put_be32(pb, atom_size); /* size */
787 put_be32(pb, 0); /* version & flags */
788 put_be32(pb, entries); /* entry count */
789 for (i=0; i<entries; i++) {
790 put_be32(pb, stts_entries[i].count);
791 put_be32(pb, stts_entries[i].duration);
793 av_free(stts_entries);
797 static int mov_write_dref_tag(ByteIOContext *pb)
799 put_be32(pb, 28); /* size */
801 put_be32(pb, 0); /* version & flags */
802 put_be32(pb, 1); /* entry count */
804 put_be32(pb, 0xc); /* size */
806 put_be32(pb, 1); /* version & flags */
811 static int mov_write_stbl_tag(ByteIOContext *pb, MOVTrack *track)
813 offset_t pos = url_ftell(pb);
814 put_be32(pb, 0); /* size */
816 mov_write_stsd_tag(pb, track);
817 mov_write_stts_tag(pb, track);
818 if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
819 track->hasKeyframes && track->hasKeyframes < track->entry)
820 mov_write_stss_tag(pb, track);
821 if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
823 mov_write_ctts_tag(pb, track);
824 mov_write_stsc_tag(pb, track);
825 mov_write_stsz_tag(pb, track);
826 mov_write_stco_tag(pb, track);
827 return updateSize(pb, pos);
830 static int mov_write_dinf_tag(ByteIOContext *pb)
832 offset_t pos = url_ftell(pb);
833 put_be32(pb, 0); /* size */
835 mov_write_dref_tag(pb);
836 return updateSize(pb, pos);
839 static int mov_write_smhd_tag(ByteIOContext *pb)
841 put_be32(pb, 16); /* size */
843 put_be32(pb, 0); /* version & flags */
844 put_be16(pb, 0); /* reserved (balance, normally = 0) */
845 put_be16(pb, 0); /* reserved */
849 static int mov_write_vmhd_tag(ByteIOContext *pb)
851 put_be32(pb, 0x14); /* size (always 0x14) */
853 put_be32(pb, 0x01); /* version & flags */
854 put_be64(pb, 0); /* reserved (graphics mode = copy) */
858 static int mov_write_hdlr_tag(ByteIOContext *pb, MOVTrack *track)
860 const char *descr, *hdlr, *hdlr_type;
861 offset_t pos = url_ftell(pb);
863 if (!track) { /* no media --> data handler */
866 descr = "DataHandler";
868 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
869 if (track->enc->codec_type == CODEC_TYPE_VIDEO) {
871 descr = "VideoHandler";
874 descr = "SoundHandler";
878 put_be32(pb, 0); /* size */
880 put_be32(pb, 0); /* Version & flags */
881 put_buffer(pb, hdlr, 4); /* handler */
882 put_tag(pb, hdlr_type); /* handler type */
883 put_be32(pb ,0); /* reserved */
884 put_be32(pb ,0); /* reserved */
885 put_be32(pb ,0); /* reserved */
886 put_byte(pb, strlen(descr)); /* string counter */
887 put_buffer(pb, descr, strlen(descr)); /* handler description */
888 return updateSize(pb, pos);
891 static int mov_write_minf_tag(ByteIOContext *pb, MOVTrack *track)
893 offset_t pos = url_ftell(pb);
894 put_be32(pb, 0); /* size */
896 if(track->enc->codec_type == CODEC_TYPE_VIDEO)
897 mov_write_vmhd_tag(pb);
899 mov_write_smhd_tag(pb);
900 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
901 mov_write_hdlr_tag(pb, NULL);
902 mov_write_dinf_tag(pb);
903 mov_write_stbl_tag(pb, track);
904 return updateSize(pb, pos);
907 static int mov_write_mdhd_tag(ByteIOContext *pb, MOVTrack *track)
909 int version = track->trackDuration < INT32_MAX ? 0 : 1;
911 (version == 1) ? put_be32(pb, 44) : put_be32(pb, 32); /* size */
913 put_byte(pb, version);
914 put_be24(pb, 0); /* flags */
916 put_be64(pb, track->time);
917 put_be64(pb, track->time);
919 put_be32(pb, track->time); /* creation time */
920 put_be32(pb, track->time); /* modification time */
922 put_be32(pb, track->timescale); /* time scale (sample rate for audio) */
923 (version == 1) ? put_be64(pb, track->trackDuration) : put_be32(pb, track->trackDuration); /* duration */
924 put_be16(pb, track->language); /* language */
925 put_be16(pb, 0); /* reserved (quality) */
927 if(version!=0 && track->mode == MODE_MOV){
928 av_log(NULL, AV_LOG_ERROR,
929 "FATAL error, file duration too long for timebase, this file will not be\n"
930 "playable with quicktime. Choose a different timebase or a different\n"
931 "container format\n");
937 static int mov_write_mdia_tag(ByteIOContext *pb, MOVTrack *track)
939 offset_t pos = url_ftell(pb);
940 put_be32(pb, 0); /* size */
942 mov_write_mdhd_tag(pb, track);
943 mov_write_hdlr_tag(pb, track);
944 mov_write_minf_tag(pb, track);
945 return updateSize(pb, pos);
948 static int mov_write_tkhd_tag(ByteIOContext *pb, MOVTrack *track, AVStream *st)
950 int64_t duration = av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP);
951 int version = duration < INT32_MAX ? 0 : 1;
953 (version == 1) ? put_be32(pb, 104) : put_be32(pb, 92); /* size */
955 put_byte(pb, version);
956 put_be24(pb, 0xf); /* flags (track enabled) */
958 put_be64(pb, track->time);
959 put_be64(pb, track->time);
961 put_be32(pb, track->time); /* creation time */
962 put_be32(pb, track->time); /* modification time */
964 put_be32(pb, track->trackID); /* track-id */
965 put_be32(pb, 0); /* reserved */
966 (version == 1) ? put_be64(pb, duration) : put_be32(pb, duration);
968 put_be32(pb, 0); /* reserved */
969 put_be32(pb, 0); /* reserved */
970 put_be32(pb, 0x0); /* reserved (Layer & Alternate group) */
971 /* Volume, only for audio */
972 if(track->enc->codec_type == CODEC_TYPE_AUDIO)
973 put_be16(pb, 0x0100);
976 put_be16(pb, 0); /* reserved */
978 /* Matrix structure */
979 put_be32(pb, 0x00010000); /* reserved */
980 put_be32(pb, 0x0); /* reserved */
981 put_be32(pb, 0x0); /* reserved */
982 put_be32(pb, 0x0); /* reserved */
983 put_be32(pb, 0x00010000); /* reserved */
984 put_be32(pb, 0x0); /* reserved */
985 put_be32(pb, 0x0); /* reserved */
986 put_be32(pb, 0x0); /* reserved */
987 put_be32(pb, 0x40000000); /* reserved */
989 /* Track width and height, for visual only */
990 if(track->enc->codec_type == CODEC_TYPE_VIDEO) {
991 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
992 if(!sample_aspect_ratio) sample_aspect_ratio = 1;
993 put_be32(pb, sample_aspect_ratio * track->enc->width*0x10000);
994 put_be32(pb, track->enc->height*0x10000);
1003 // This box seems important for the psp playback ... without it the movie seems to hang
1004 static int mov_write_edts_tag(ByteIOContext *pb, MOVTrack *track)
1006 put_be32(pb, 0x24); /* size */
1007 put_tag(pb, "edts");
1008 put_be32(pb, 0x1c); /* size */
1009 put_tag(pb, "elst");
1013 put_be32(pb, av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP)); /* duration ... doesn't seem to effect psp */
1015 put_be32(pb, track->cluster[0].cts); /* first pts is cts since dts is 0 */
1016 put_be32(pb, 0x00010000);
1020 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1021 static int mov_write_uuid_tag_psp(ByteIOContext *pb, MOVTrack *mov)
1023 put_be32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1024 put_tag(pb, "uuid");
1025 put_tag(pb, "USMT");
1026 put_be32(pb, 0x21d24fce);
1027 put_be32(pb, 0xbb88695c);
1028 put_be32(pb, 0xfac9c740);
1029 put_be32(pb, 0x1c); // another size here!
1030 put_tag(pb, "MTDT");
1031 put_be32(pb, 0x00010012);
1033 put_be32(pb, 0x55c40000);
1039 static int mov_write_trak_tag(ByteIOContext *pb, MOVTrack *track, AVStream *st)
1041 offset_t pos = url_ftell(pb);
1042 put_be32(pb, 0); /* size */
1043 put_tag(pb, "trak");
1044 mov_write_tkhd_tag(pb, track, st);
1045 if (track->mode == MODE_PSP || track->hasBframes)
1046 mov_write_edts_tag(pb, track); // PSP Movies require edts box
1047 mov_write_mdia_tag(pb, track);
1048 if (track->mode == MODE_PSP)
1049 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
1050 return updateSize(pb, pos);
1054 /* TODO: Not sorted out, but not necessary either */
1055 static int mov_write_iods_tag(ByteIOContext *pb, MOVContext *mov)
1057 put_be32(pb, 0x15); /* size */
1058 put_tag(pb, "iods");
1059 put_be32(pb, 0); /* version & flags */
1060 put_be16(pb, 0x1007);
1062 put_be16(pb, 0x4fff);
1063 put_be16(pb, 0xfffe);
1064 put_be16(pb, 0x01ff);
1069 static int mov_write_mvhd_tag(ByteIOContext *pb, MOVContext *mov)
1071 int maxTrackID = 1, i;
1072 int64_t maxTrackLenTemp, maxTrackLen = 0;
1075 for (i=0; i<mov->nb_streams; i++) {
1076 if(mov->tracks[i].entry > 0) {
1077 maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration, globalTimescale, mov->tracks[i].timescale, AV_ROUND_UP);
1078 if(maxTrackLen < maxTrackLenTemp)
1079 maxTrackLen = maxTrackLenTemp;
1080 if(maxTrackID < mov->tracks[i].trackID)
1081 maxTrackID = mov->tracks[i].trackID;
1085 version = maxTrackLen < UINT32_MAX ? 0 : 1;
1086 (version == 1) ? put_be32(pb, 120) : put_be32(pb, 108); /* size */
1087 put_tag(pb, "mvhd");
1088 put_byte(pb, version);
1089 put_be24(pb, 0); /* flags */
1091 put_be64(pb, mov->time);
1092 put_be64(pb, mov->time);
1094 put_be32(pb, mov->time); /* creation time */
1095 put_be32(pb, mov->time); /* modification time */
1097 put_be32(pb, mov->timescale); /* timescale */
1098 (version == 1) ? put_be64(pb, maxTrackLen) : put_be32(pb, maxTrackLen); /* duration of longest track */
1100 put_be32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1101 put_be16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1102 put_be16(pb, 0); /* reserved */
1103 put_be32(pb, 0); /* reserved */
1104 put_be32(pb, 0); /* reserved */
1106 /* Matrix structure */
1107 put_be32(pb, 0x00010000); /* reserved */
1108 put_be32(pb, 0x0); /* reserved */
1109 put_be32(pb, 0x0); /* reserved */
1110 put_be32(pb, 0x0); /* reserved */
1111 put_be32(pb, 0x00010000); /* reserved */
1112 put_be32(pb, 0x0); /* reserved */
1113 put_be32(pb, 0x0); /* reserved */
1114 put_be32(pb, 0x0); /* reserved */
1115 put_be32(pb, 0x40000000); /* reserved */
1117 put_be32(pb, 0); /* reserved (preview time) */
1118 put_be32(pb, 0); /* reserved (preview duration) */
1119 put_be32(pb, 0); /* reserved (poster time) */
1120 put_be32(pb, 0); /* reserved (selection time) */
1121 put_be32(pb, 0); /* reserved (selection duration) */
1122 put_be32(pb, 0); /* reserved (current time) */
1123 put_be32(pb, maxTrackID+1); /* Next track id */
1127 static int mov_write_itunes_hdlr_tag(ByteIOContext *pb, MOVContext *mov,
1130 offset_t pos = url_ftell(pb);
1131 put_be32(pb, 0); /* size */
1132 put_tag(pb, "hdlr");
1135 put_tag(pb, "mdir");
1136 put_tag(pb, "appl");
1140 return updateSize(pb, pos);
1143 /* helper function to write a data tag with the specified string as data */
1144 static int mov_write_string_data_tag(ByteIOContext *pb, const char *data, int long_style)
1147 offset_t pos = url_ftell(pb);
1148 put_be32(pb, 0); /* size */
1149 put_tag(pb, "data");
1152 put_buffer(pb, data, strlen(data));
1153 return updateSize(pb, pos);
1155 put_be16(pb, strlen(data)); /* string length */
1157 put_buffer(pb, data, strlen(data));
1158 return strlen(data) + 4;
1162 static int mov_write_string_tag(ByteIOContext *pb, const char *name, const char *value, int long_style){
1164 if (value && value[0]) {
1165 offset_t pos = url_ftell(pb);
1166 put_be32(pb, 0); /* size */
1168 mov_write_string_data_tag(pb, value, long_style);
1169 size= updateSize(pb, pos);
1175 static int mov_write_day_tag(ByteIOContext *pb, int year, int long_style)
1179 snprintf(year_str, sizeof(year_str), "%04d", year);
1180 return mov_write_string_tag(pb, "\251day", year_str, long_style);
1185 /* iTunes track number */
1186 static int mov_write_trkn_tag(ByteIOContext *pb, MOVContext *mov,
1191 offset_t pos = url_ftell(pb);
1192 put_be32(pb, 0); /* size */
1193 put_tag(pb, "trkn");
1195 offset_t pos = url_ftell(pb);
1196 put_be32(pb, 0); /* size */
1197 put_tag(pb, "data");
1198 put_be32(pb, 0); // 8 bytes empty
1200 put_be16(pb, 0); // empty
1201 put_be16(pb, s->track); // track number
1202 put_be16(pb, 0); // total track number
1203 put_be16(pb, 0); // empty
1204 updateSize(pb, pos);
1206 size = updateSize(pb, pos);
1211 /* iTunes meta data list */
1212 static int mov_write_ilst_tag(ByteIOContext *pb, MOVContext *mov,
1215 offset_t pos = url_ftell(pb);
1216 put_be32(pb, 0); /* size */
1217 put_tag(pb, "ilst");
1218 mov_write_string_tag(pb, "\251nam", s->title , 1);
1219 mov_write_string_tag(pb, "\251ART", s->author , 1);
1220 mov_write_string_tag(pb, "\251wrt", s->author , 1);
1221 mov_write_string_tag(pb, "\251alb", s->album , 1);
1222 mov_write_day_tag(pb, s->year ,1);
1223 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 1);
1224 mov_write_string_tag(pb, "\251cmt", s->comment , 1);
1225 mov_write_string_tag(pb, "\251gen", s->genre , 1);
1226 mov_write_trkn_tag(pb, mov, s);
1227 return updateSize(pb, pos);
1230 /* iTunes meta data tag */
1231 static int mov_write_meta_tag(ByteIOContext *pb, MOVContext *mov,
1236 // only save meta tag if required
1237 if (s->title[0] || s->author[0] || s->album[0] || s->year ||
1238 s->comment[0] || s->genre[0] || s->track) {
1239 offset_t pos = url_ftell(pb);
1240 put_be32(pb, 0); /* size */
1241 put_tag(pb, "meta");
1243 mov_write_itunes_hdlr_tag(pb, mov, s);
1244 mov_write_ilst_tag(pb, mov, s);
1245 size = updateSize(pb, pos);
1250 static int utf8len(const uint8_t *b)
1255 GET_UTF8(val, *b++, return -1;)
1261 static int ascii_to_wc(ByteIOContext *pb, const uint8_t *b)
1265 GET_UTF8(val, *b++, return -1;)
1272 static uint16_t language_code(const char *str)
1274 return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
1277 static int mov_write_3gp_udta_tag(ByteIOContext *pb, AVFormatContext *s,
1278 const char *tag, const char *str)
1280 offset_t pos = url_ftell(pb);
1283 put_be32(pb, 0); /* size */
1284 put_tag (pb, tag); /* type */
1285 put_be32(pb, 0); /* version + flags */
1286 if (!strcmp(tag, "yrrc"))
1287 put_be16(pb, s->year);
1289 put_be16(pb, language_code("eng")); /* language */
1290 ascii_to_wc(pb, str);
1291 if (!strcmp(tag, "albm") && s->year)
1292 put_byte(pb, s->year);
1294 return updateSize(pb, pos);
1297 static int mov_write_udta_tag(ByteIOContext *pb, MOVContext *mov,
1303 for (i = 0; i < s->nb_streams; i++)
1304 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
1309 if (!bitexact && (s->title[0] || s->author[0] || s->album[0] || s->year ||
1310 s->comment[0] || s->genre[0] || s->track)) {
1311 offset_t pos = url_ftell(pb);
1313 put_be32(pb, 0); /* size */
1314 put_tag(pb, "udta");
1316 if (mov->mode & MODE_3GP) {
1317 mov_write_3gp_udta_tag(pb, s, "titl", s->title);
1318 mov_write_3gp_udta_tag(pb, s, "auth", s->author);
1319 mov_write_3gp_udta_tag(pb, s, "gnre", s->genre);
1320 mov_write_3gp_udta_tag(pb, s, "dscp", s->comment);
1321 mov_write_3gp_udta_tag(pb, s, "albm", s->album);
1322 mov_write_3gp_udta_tag(pb, s, "yrrc", "nil");
1323 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
1324 mov_write_string_tag(pb, "\251nam", s->title , 0);
1325 mov_write_string_tag(pb, "\251aut", s->author , 0);
1326 mov_write_string_tag(pb, "\251alb", s->album , 0);
1327 mov_write_day_tag(pb, s->year, 0);
1328 mov_write_string_tag(pb, "\251enc", LIBAVFORMAT_IDENT, 0);
1329 mov_write_string_tag(pb, "\251des", s->comment , 0);
1330 mov_write_string_tag(pb, "\251gen", s->genre , 0);
1332 /* iTunes meta data */
1333 mov_write_meta_tag(pb, mov, s);
1335 return updateSize(pb, pos);
1341 static void mov_write_psp_udta_tag(ByteIOContext *pb,
1342 const char *str, const char *lang, int type)
1344 int len = utf8len(str)+1;
1347 put_be16(pb, len*2+10); /* size */
1348 put_be32(pb, type); /* type */
1349 put_be16(pb, language_code(lang)); /* language */
1350 put_be16(pb, 0x01); /* ? */
1351 ascii_to_wc(pb, str);
1354 static int mov_write_uuidusmt_tag(ByteIOContext *pb, AVFormatContext *s)
1359 pos = url_ftell(pb);
1360 put_be32(pb, 0); /* size placeholder*/
1361 put_tag(pb, "uuid");
1362 put_tag(pb, "USMT");
1363 put_be32(pb, 0x21d24fce); /* 96 bit UUID */
1364 put_be32(pb, 0xbb88695c);
1365 put_be32(pb, 0xfac9c740);
1367 pos2 = url_ftell(pb);
1368 put_be32(pb, 0); /* size placeholder*/
1369 put_tag(pb, "MTDT");
1373 put_be16(pb, 0x0C); /* size */
1374 put_be32(pb, 0x0B); /* type */
1375 put_be16(pb, language_code("und")); /* language */
1376 put_be16(pb, 0x0); /* ? */
1377 put_be16(pb, 0x021C); /* data */
1379 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
1380 mov_write_psp_udta_tag(pb, s->title, "eng", 0x01);
1381 // 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);
1382 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
1384 updateSize(pb, pos2);
1385 return updateSize(pb, pos);
1391 static int mov_write_moov_tag(ByteIOContext *pb, MOVContext *mov,
1395 offset_t pos = url_ftell(pb);
1396 put_be32(pb, 0); /* size placeholder*/
1397 put_tag(pb, "moov");
1398 mov->timescale = globalTimescale;
1400 for (i=0; i<mov->nb_streams; i++) {
1401 if(mov->tracks[i].entry <= 0) continue;
1403 mov->tracks[i].time = mov->time;
1404 mov->tracks[i].trackID = i+1;
1407 mov_write_mvhd_tag(pb, mov);
1408 //mov_write_iods_tag(pb, mov);
1409 for (i=0; i<mov->nb_streams; i++) {
1410 if(mov->tracks[i].entry > 0) {
1411 mov_write_trak_tag(pb, &(mov->tracks[i]), s->streams[i]);
1415 if (mov->mode == MODE_PSP)
1416 mov_write_uuidusmt_tag(pb, s);
1418 mov_write_udta_tag(pb, mov, s);
1420 return updateSize(pb, pos);
1423 static int mov_write_mdat_tag(ByteIOContext *pb, MOVContext *mov)
1425 put_be32(pb, 8); // placeholder for extended size field (64 bit)
1426 put_tag(pb, mov->mode == MODE_MOV ? "wide" : "free");
1428 mov->mdat_pos = url_ftell(pb);
1429 put_be32(pb, 0); /* size placeholder*/
1430 put_tag(pb, "mdat");
1434 /* TODO: This needs to be more general */
1435 static int mov_write_ftyp_tag(ByteIOContext *pb, AVFormatContext *s)
1437 MOVContext *mov = s->priv_data;
1438 offset_t pos = url_ftell(pb);
1439 int has_h264 = 0, has_video = 0;
1443 for (i = 0; i < s->nb_streams; i++) {
1444 AVStream *st = s->streams[i];
1445 if (st->codec->codec_type == CODEC_TYPE_VIDEO)
1447 if (st->codec->codec_id == CODEC_ID_H264)
1451 put_be32(pb, 0); /* size */
1452 put_tag(pb, "ftyp");
1454 if (mov->mode == MODE_3GP) {
1455 put_tag(pb, has_h264 ? "3gp6" : "3gp4");
1456 minor = has_h264 ? 0x100 : 0x200;
1457 } else if (mov->mode & MODE_3G2) {
1458 put_tag(pb, has_h264 ? "3g2b" : "3g2a");
1459 minor = has_h264 ? 0x20000 : 0x10000;
1460 }else if (mov->mode == MODE_PSP)
1461 put_tag(pb, "MSNV");
1462 else if (mov->mode == MODE_MP4)
1463 put_tag(pb, "isom");
1464 else if (mov->mode == MODE_IPOD)
1465 put_tag(pb, has_video ? "M4V ":"M4A ");
1469 put_be32(pb, minor);
1471 if(mov->mode == MODE_MOV)
1474 put_tag(pb, "isom");
1475 put_tag(pb, "iso2");
1477 put_tag(pb, "avc1");
1480 if (mov->mode == MODE_3GP)
1481 put_tag(pb, has_h264 ? "3gp6":"3gp4");
1482 else if (mov->mode & MODE_3G2)
1483 put_tag(pb, has_h264 ? "3g2b":"3g2a");
1484 else if (mov->mode == MODE_PSP)
1485 put_tag(pb, "MSNV");
1486 else if (mov->mode == MODE_MP4)
1487 put_tag(pb, "mp41");
1488 return updateSize(pb, pos);
1491 static void mov_write_uuidprof_tag(ByteIOContext *pb, AVFormatContext *s)
1493 AVCodecContext *VideoCodec = s->streams[0]->codec;
1494 AVCodecContext *AudioCodec = s->streams[1]->codec;
1495 int AudioRate = AudioCodec->sample_rate;
1496 int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num);
1497 int audio_kbitrate= AudioCodec->bit_rate / 1000;
1498 int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate);
1500 put_be32(pb, 0x94); /* size */
1501 put_tag(pb, "uuid");
1502 put_tag(pb, "PROF");
1504 put_be32(pb, 0x21d24fce); /* 96 bit UUID */
1505 put_be32(pb, 0xbb88695c);
1506 put_be32(pb, 0xfac9c740);
1508 put_be32(pb, 0x0); /* ? */
1509 put_be32(pb, 0x3); /* 3 sections ? */
1511 put_be32(pb, 0x14); /* size */
1512 put_tag(pb, "FPRF");
1513 put_be32(pb, 0x0); /* ? */
1514 put_be32(pb, 0x0); /* ? */
1515 put_be32(pb, 0x0); /* ? */
1517 put_be32(pb, 0x2c); /* size */
1518 put_tag(pb, "APRF"); /* audio */
1520 put_be32(pb, 0x2); /* TrackID */
1521 put_tag(pb, "mp4a");
1522 put_be32(pb, 0x20f);
1524 put_be32(pb, audio_kbitrate);
1525 put_be32(pb, audio_kbitrate);
1526 put_be32(pb, AudioRate);
1527 put_be32(pb, AudioCodec->channels);
1529 put_be32(pb, 0x34); /* size */
1530 put_tag(pb, "VPRF"); /* video */
1532 put_be32(pb, 0x1); /* TrackID */
1533 if (VideoCodec->codec_id == CODEC_ID_H264) {
1534 put_tag(pb, "avc1");
1535 put_be16(pb, 0x014D);
1536 put_be16(pb, 0x0015);
1538 put_tag(pb, "mp4v");
1539 put_be16(pb, 0x0000);
1540 put_be16(pb, 0x0103);
1543 put_be32(pb, video_kbitrate);
1544 put_be32(pb, video_kbitrate);
1545 put_be32(pb, FrameRate);
1546 put_be32(pb, FrameRate);
1547 put_be16(pb, VideoCodec->width);
1548 put_be16(pb, VideoCodec->height);
1549 put_be32(pb, 0x010001); /* ? */
1552 static int mov_write_header(AVFormatContext *s)
1554 ByteIOContext *pb = s->pb;
1555 MOVContext *mov = s->priv_data;
1558 if (url_is_streamed(s->pb)) {
1559 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
1563 /* Default mode == MP4 */
1564 mov->mode = MODE_MP4;
1566 if (s->oformat != NULL) {
1567 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
1568 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
1569 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
1570 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
1571 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
1573 mov_write_ftyp_tag(pb,s);
1574 if (mov->mode == MODE_PSP) {
1575 if (s->nb_streams != 2) {
1576 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
1579 mov_write_uuidprof_tag(pb,s);
1583 for(i=0; i<s->nb_streams; i++){
1584 AVStream *st= s->streams[i];
1585 MOVTrack *track= &mov->tracks[i];
1587 track->enc = st->codec;
1588 track->language = ff_mov_iso639_to_lang(st->language, mov->mode != MODE_MOV);
1589 track->mode = mov->mode;
1590 track->tag = mov_find_codec_tag(s, track);
1592 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
1593 "codec not currently supported in container\n", i);
1596 if(st->codec->codec_type == CODEC_TYPE_VIDEO){
1597 track->timescale = st->codec->time_base.den;
1598 av_set_pts_info(st, 64, 1, st->codec->time_base.den);
1599 if (track->mode == MODE_MOV && track->timescale > 100000)
1600 av_log(s, AV_LOG_WARNING,
1601 "WARNING codec timebase is very high. If duration is too long,\n"
1602 "file may not be playable by quicktime. Specify a shorter timebase\n"
1603 "or choose different container.\n");
1604 }else if(st->codec->codec_type == CODEC_TYPE_AUDIO){
1605 track->timescale = st->codec->sample_rate;
1606 av_set_pts_info(st, 64, 1, st->codec->sample_rate);
1607 if(!st->codec->frame_size){
1608 av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
1610 }else if(st->codec->frame_size > 1){ /* assume compressed audio */
1611 track->audio_vbr = 1;
1613 track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
1615 if(track->mode != MODE_MOV &&
1616 track->enc->codec_id == CODEC_ID_MP3 && track->enc->sample_rate < 16000){
1617 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
1618 i, track->enc->sample_rate);
1624 mov_write_mdat_tag(pb, mov);
1625 mov->time = s->timestamp + 0x7C25B080; //1970 based -> 1904 based
1626 mov->nb_streams = s->nb_streams;
1628 put_flush_packet(pb);
1633 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
1635 MOVContext *mov = s->priv_data;
1636 ByteIOContext *pb = s->pb;
1637 MOVTrack *trk = &mov->tracks[pkt->stream_index];
1638 AVCodecContext *enc = trk->enc;
1639 unsigned int samplesInChunk = 0;
1640 int size= pkt->size;
1642 if (url_is_streamed(s->pb)) return 0; /* Can't handle that */
1643 if (!size) return 0; /* Discard 0 sized packets */
1645 if (enc->codec_id == CODEC_ID_AMR_NB) {
1646 /* We must find out how many AMR blocks there are in one packet */
1647 static uint16_t packed_size[16] =
1648 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 0};
1651 while (len < size && samplesInChunk < 100) {
1652 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
1655 if(samplesInChunk > 1){
1656 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
1659 } else if (trk->sampleSize)
1660 samplesInChunk = size/trk->sampleSize;
1664 /* copy extradata if it exists */
1665 if (trk->vosLen == 0 && enc->extradata_size > 0) {
1666 trk->vosLen = enc->extradata_size;
1667 trk->vosData = av_malloc(trk->vosLen);
1668 memcpy(trk->vosData, enc->extradata, trk->vosLen);
1671 if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) {
1672 /* from x264 or from bytestream h264 */
1673 /* nal reformating needed */
1674 int ret = ff_avc_parse_nal_units(pkt->data, &pkt->data, &pkt->size);
1679 } else if ((enc->codec_id == CODEC_ID_DNXHD ||
1680 enc->codec_id == CODEC_ID_AC3) && !trk->vosLen) {
1681 /* copy frame to create needed atoms */
1683 trk->vosData = av_malloc(size);
1685 return AVERROR(ENOMEM);
1686 memcpy(trk->vosData, pkt->data, size);
1689 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
1690 trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster));
1695 trk->cluster[trk->entry].pos = url_ftell(pb);
1696 trk->cluster[trk->entry].samplesInChunk = samplesInChunk;
1697 trk->cluster[trk->entry].size = size;
1698 trk->cluster[trk->entry].entries = samplesInChunk;
1699 trk->cluster[trk->entry].dts = pkt->dts;
1700 trk->trackDuration = pkt->dts - trk->cluster[0].dts + pkt->duration;
1702 if (pkt->pts == AV_NOPTS_VALUE) {
1703 av_log(s, AV_LOG_WARNING, "pts has no value\n");
1704 pkt->pts = pkt->dts;
1706 if (pkt->dts != pkt->pts)
1707 trk->hasBframes = 1;
1708 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
1709 trk->cluster[trk->entry].key_frame = !!(pkt->flags & PKT_FLAG_KEY);
1710 if(trk->cluster[trk->entry].key_frame)
1711 trk->hasKeyframes++;
1713 trk->sampleCount += samplesInChunk;
1714 mov->mdat_size += size;
1716 put_buffer(pb, pkt->data, size);
1718 put_flush_packet(pb);
1722 static int mov_write_trailer(AVFormatContext *s)
1724 MOVContext *mov = s->priv_data;
1725 ByteIOContext *pb = s->pb;
1729 offset_t moov_pos = url_ftell(pb);
1731 /* Write size of mdat tag */
1732 if (mov->mdat_size+8 <= UINT32_MAX) {
1733 url_fseek(pb, mov->mdat_pos, SEEK_SET);
1734 put_be32(pb, mov->mdat_size+8);
1736 /* overwrite 'wide' placeholder atom */
1737 url_fseek(pb, mov->mdat_pos - 8, SEEK_SET);
1738 put_be32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */
1739 put_tag(pb, "mdat");
1740 put_be64(pb, mov->mdat_size+16);
1742 url_fseek(pb, moov_pos, SEEK_SET);
1744 mov_write_moov_tag(pb, mov, s);
1746 for (i=0; i<mov->nb_streams; i++) {
1747 av_freep(&mov->tracks[i].cluster);
1749 if(mov->tracks[i].vosLen) av_free(mov->tracks[i].vosData);
1753 put_flush_packet(pb);
1758 #ifdef CONFIG_MOV_MUXER
1759 AVOutputFormat mov_muxer = {
1761 NULL_IF_CONFIG_SMALL("MOV format"),
1770 .flags = AVFMT_GLOBALHEADER,
1771 .codec_tag = (const AVCodecTag* const []){codec_movvideo_tags, codec_movaudio_tags, 0},
1774 #ifdef CONFIG_TGP_MUXER
1775 AVOutputFormat tgp_muxer = {
1777 NULL_IF_CONFIG_SMALL("3GP format"),
1786 .flags = AVFMT_GLOBALHEADER,
1787 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
1790 #ifdef CONFIG_MP4_MUXER
1791 AVOutputFormat mp4_muxer = {
1793 NULL_IF_CONFIG_SMALL("MP4 format"),
1802 .flags = AVFMT_GLOBALHEADER,
1803 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
1806 #ifdef CONFIG_PSP_MUXER
1807 AVOutputFormat psp_muxer = {
1809 NULL_IF_CONFIG_SMALL("PSP MP4 format"),
1818 .flags = AVFMT_GLOBALHEADER,
1819 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
1822 #ifdef CONFIG_TG2_MUXER
1823 AVOutputFormat tg2_muxer = {
1825 NULL_IF_CONFIG_SMALL("3GP2 format"),
1834 .flags = AVFMT_GLOBALHEADER,
1835 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
1838 #ifdef CONFIG_IPOD_MUXER
1839 AVOutputFormat ipod_muxer = {
1841 NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"),
1850 .flags = AVFMT_GLOBALHEADER,
1851 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},