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+2, track->vosLen-2);
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_AMR_NB ||
444 track->enc->codec_id == CODEC_ID_PCM_S24LE ||
445 track->enc->codec_id == CODEC_ID_PCM_S32LE ||
446 track->enc->codec_id == CODEC_ID_ALAC))
447 mov_write_wave_tag(pb, track);
448 else if(track->tag == MKTAG('m','p','4','a'))
449 mov_write_esds_tag(pb, track);
450 else if(track->enc->codec_id == CODEC_ID_AMR_NB)
451 mov_write_amr_tag(pb, track);
452 else if (track->enc->codec_id == CODEC_ID_ALAC)
453 mov_write_extradata_tag(pb, track);
454 else if(track->vosLen > 0)
455 mov_write_glbl_tag(pb, track);
457 return updateSize(pb, pos);
460 static int mov_write_d263_tag(ByteIOContext *pb)
462 put_be32(pb, 0xf); /* size */
465 put_byte(pb, 0); /* decoder version */
466 /* FIXME use AVCodecContext level/profile, when encoder will set values */
467 put_byte(pb, 0xa); /* level */
468 put_byte(pb, 0); /* profile */
472 /* TODO: No idea about these values */
473 static int mov_write_svq3_tag(ByteIOContext *pb)
479 put_be32(pb, 0xe2c0211d);
480 put_be32(pb, 0xc0000000);
485 static int mov_write_avcc_tag(ByteIOContext *pb, MOVTrack *track)
487 offset_t pos = url_ftell(pb);
491 ff_isom_write_avcc(pb, track->vosData, track->vosLen);
492 return updateSize(pb, pos);
495 /* also used by all avid codecs (dv, imx, meridien) and their variants */
496 static int mov_write_avid_tag(ByteIOContext *pb, MOVTrack *track)
499 put_be32(pb, 24); /* size */
503 put_be32(pb, 1); /* yuv 1 / rgb 2 ? */
504 put_be32(pb, 0); /* unknown */
506 put_be32(pb, 24); /* size */
510 put_be32(pb, 1); /* unknown */
511 put_be32(pb, 0); /* unknown */
513 put_be32(pb, 120); /* size */
517 put_be32(pb, AV_RB32(track->vosData + 0x28)); /* dnxhd cid, some id ? */
518 put_be32(pb, track->enc->width);
519 /* values below are based on samples created with quicktime and avid codecs */
520 if (track->vosData[5] & 2) { // interlaced
521 put_be32(pb, track->enc->height/2);
522 put_be32(pb, 2); /* unknown */
523 put_be32(pb, 0); /* unknown */
524 put_be32(pb, 4); /* unknown */
526 put_be32(pb, track->enc->height);
527 put_be32(pb, 1); /* unknown */
528 put_be32(pb, 0); /* unknown */
529 if (track->enc->height == 1080)
530 put_be32(pb, 5); /* unknown */
532 put_be32(pb, 6); /* unknown */
535 for (i = 0; i < 10; i++)
538 /* extra padding for stsd needed */
543 static const AVCodecTag codec_3gp_tags[] = {
544 { CODEC_ID_H263, MKTAG('s','2','6','3') },
545 { CODEC_ID_H264, MKTAG('a','v','c','1') },
546 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
547 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
548 { CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
549 { CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
552 static const AVCodecTag mov_pix_fmt_tags[] = {
553 { PIX_FMT_YUYV422, MKTAG('y','u','v','s') },
554 { PIX_FMT_UYVY422, MKTAG('2','v','u','y') },
555 { PIX_FMT_BGR555, MKTAG('r','a','w',' ') },
556 { PIX_FMT_RGB24, MKTAG('r','a','w',' ') },
557 { PIX_FMT_BGR32_1, MKTAG('r','a','w',' ') },
560 static const AVCodecTag codec_ipod_tags[] = {
561 { CODEC_ID_H264, MKTAG('a','v','c','1') },
562 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
563 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
564 { CODEC_ID_ALAC, MKTAG('a','l','a','c') },
565 { CODEC_ID_AC3, MKTAG('a','c','-','3') },
568 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
570 int tag = track->enc->codec_tag;
571 if (track->mode == MODE_MP4 || track->mode == MODE_PSP) {
572 if (!codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
574 if (track->enc->codec_id == CODEC_ID_H264) tag = MKTAG('a','v','c','1');
575 else if (track->enc->codec_id == CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
576 else if (track->enc->codec_id == CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
577 else if (track->enc->codec_type == CODEC_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
578 else if (track->enc->codec_type == CODEC_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
579 } else if (track->mode == MODE_IPOD) {
580 tag = codec_get_tag(codec_ipod_tags, track->enc->codec_id);
581 if (!match_ext(s->filename, "m4a") && !match_ext(s->filename, "m4v"))
582 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
583 "Quicktime/Ipod might not play the file\n");
584 } else if (track->mode & MODE_3GP) {
585 tag = codec_get_tag(codec_3gp_tags, track->enc->codec_id);
586 } else if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
587 (tag == MKTAG('d','v','c','p') ||
588 track->enc->codec_id == CODEC_ID_RAWVIDEO))) {
589 if (track->enc->codec_id == CODEC_ID_DVVIDEO) {
590 if (track->enc->height == 480) /* NTSC */
591 if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
592 else tag = MKTAG('d','v','c',' ');
593 else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
594 else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
595 else tag = MKTAG('d','v','p','p');
596 } else if (track->enc->codec_id == CODEC_ID_RAWVIDEO) {
597 tag = codec_get_tag(mov_pix_fmt_tags, track->enc->pix_fmt);
598 if (!tag) // restore tag
599 tag = track->enc->codec_tag;
601 if (track->enc->codec_type == CODEC_TYPE_VIDEO) {
602 tag = codec_get_tag(codec_movvideo_tags, track->enc->codec_id);
603 if (!tag) { // if no mac fcc found, try with Microsoft tags
604 tag = codec_get_tag(codec_bmp_tags, track->enc->codec_id);
606 av_log(s, AV_LOG_INFO, "Warning, using MS style video codec tag, "
607 "the file may be unplayable!\n");
609 } else if (track->enc->codec_type == CODEC_TYPE_AUDIO) {
610 tag = codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
611 if (!tag) { // if no mac fcc found, try with Microsoft tags
612 int ms_tag = codec_get_tag(codec_wav_tags, track->enc->codec_id);
614 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
615 av_log(s, AV_LOG_INFO, "Warning, using MS style audio codec tag, "
616 "the file may be unplayable!\n");
626 * Needed to make file play in iPods running newest firmware
627 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
629 static int mov_write_uuid_tag_ipod(ByteIOContext *pb)
633 put_be32(pb, 0x6b6840f2);
634 put_be32(pb, 0x5f244fc5);
635 put_be32(pb, 0xba39a51b);
636 put_be32(pb, 0xcf0323f3);
641 static int mov_write_video_tag(ByteIOContext *pb, MOVTrack *track)
643 offset_t pos = url_ftell(pb);
644 char compressor_name[32];
646 put_be32(pb, 0); /* size */
647 put_le32(pb, track->tag); // store it byteswapped
648 put_be32(pb, 0); /* Reserved */
649 put_be16(pb, 0); /* Reserved */
650 put_be16(pb, 1); /* Data-reference index */
652 put_be16(pb, 0); /* Codec stream version */
653 put_be16(pb, 0); /* Codec stream revision (=0) */
654 if (track->mode == MODE_MOV) {
655 put_tag(pb, "FFMP"); /* Vendor */
656 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
657 put_be32(pb, 0); /* Temporal Quality */
658 put_be32(pb, 0x400); /* Spatial Quality = lossless*/
660 put_be32(pb, 0x200); /* Temporal Quality = normal */
661 put_be32(pb, 0x200); /* Spatial Quality = normal */
664 put_be32(pb, 0); /* Reserved */
665 put_be32(pb, 0); /* Reserved */
666 put_be32(pb, 0); /* Reserved */
668 put_be16(pb, track->enc->width); /* Video width */
669 put_be16(pb, track->enc->height); /* Video height */
670 put_be32(pb, 0x00480000); /* Horizontal resolution 72dpi */
671 put_be32(pb, 0x00480000); /* Vertical resolution 72dpi */
672 put_be32(pb, 0); /* Data size (= 0) */
673 put_be16(pb, 1); /* Frame count (= 1) */
675 memset(compressor_name,0,32);
676 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
677 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
678 strncpy(compressor_name,track->enc->codec->name,31);
679 put_byte(pb, strlen(compressor_name));
680 put_buffer(pb, compressor_name, 31);
682 if (track->mode == MODE_MOV && track->enc->bits_per_sample)
683 put_be16(pb, track->enc->bits_per_sample);
685 put_be16(pb, 0x18); /* Reserved */
686 put_be16(pb, 0xffff); /* Reserved */
687 if(track->tag == MKTAG('m','p','4','v'))
688 mov_write_esds_tag(pb, track);
689 else if(track->enc->codec_id == CODEC_ID_H263)
690 mov_write_d263_tag(pb);
691 else if(track->enc->codec_id == CODEC_ID_SVQ3)
692 mov_write_svq3_tag(pb);
693 else if(track->enc->codec_id == CODEC_ID_DNXHD)
694 mov_write_avid_tag(pb, track);
695 else if(track->enc->codec_id == CODEC_ID_H264) {
696 mov_write_avcc_tag(pb, track);
697 if(track->mode == MODE_IPOD)
698 mov_write_uuid_tag_ipod(pb);
699 } else if(track->vosLen > 0)
700 mov_write_glbl_tag(pb, track);
702 return updateSize(pb, pos);
705 static int mov_write_stsd_tag(ByteIOContext *pb, MOVTrack *track)
707 offset_t pos = url_ftell(pb);
708 put_be32(pb, 0); /* size */
710 put_be32(pb, 0); /* version & flags */
711 put_be32(pb, 1); /* entry count */
712 if (track->enc->codec_type == CODEC_TYPE_VIDEO)
713 mov_write_video_tag(pb, track);
714 else if (track->enc->codec_type == CODEC_TYPE_AUDIO)
715 mov_write_audio_tag(pb, track);
716 return updateSize(pb, pos);
719 static int mov_write_ctts_tag(ByteIOContext *pb, MOVTrack *track)
721 MOV_stts_t *ctts_entries;
722 uint32_t entries = 0;
726 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
727 ctts_entries[0].count = 1;
728 ctts_entries[0].duration = track->cluster[0].cts;
729 for (i=1; i<track->entry; i++) {
730 if (track->cluster[i].cts == ctts_entries[entries].duration) {
731 ctts_entries[entries].count++; /* compress */
734 ctts_entries[entries].duration = track->cluster[i].cts;
735 ctts_entries[entries].count = 1;
738 entries++; /* last one */
739 atom_size = 16 + (entries * 8);
740 put_be32(pb, atom_size); /* size */
742 put_be32(pb, 0); /* version & flags */
743 put_be32(pb, entries); /* entry count */
744 for (i=0; i<entries; i++) {
745 put_be32(pb, ctts_entries[i].count);
746 put_be32(pb, ctts_entries[i].duration);
748 av_free(ctts_entries);
752 /* Time to sample atom */
753 static int mov_write_stts_tag(ByteIOContext *pb, MOVTrack *track)
755 MOV_stts_t *stts_entries;
756 uint32_t entries = -1;
760 if (track->enc->codec_type == CODEC_TYPE_AUDIO && !track->audio_vbr) {
761 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
762 stts_entries[0].count = track->sampleCount;
763 stts_entries[0].duration = 1;
766 stts_entries = av_malloc(track->entry * sizeof(*stts_entries)); /* worst case */
767 for (i=0; i<track->entry; i++) {
768 int64_t duration = i + 1 == track->entry ?
769 track->trackDuration - track->cluster[i].dts + track->cluster[0].dts : /* readjusting */
770 track->cluster[i+1].dts - track->cluster[i].dts;
771 if (i && duration == stts_entries[entries].duration) {
772 stts_entries[entries].count++; /* compress */
775 stts_entries[entries].duration = duration;
776 stts_entries[entries].count = 1;
779 entries++; /* last one */
781 atom_size = 16 + (entries * 8);
782 put_be32(pb, atom_size); /* size */
784 put_be32(pb, 0); /* version & flags */
785 put_be32(pb, entries); /* entry count */
786 for (i=0; i<entries; i++) {
787 put_be32(pb, stts_entries[i].count);
788 put_be32(pb, stts_entries[i].duration);
790 av_free(stts_entries);
794 static int mov_write_dref_tag(ByteIOContext *pb)
796 put_be32(pb, 28); /* size */
798 put_be32(pb, 0); /* version & flags */
799 put_be32(pb, 1); /* entry count */
801 put_be32(pb, 0xc); /* size */
803 put_be32(pb, 1); /* version & flags */
808 static int mov_write_stbl_tag(ByteIOContext *pb, MOVTrack *track)
810 offset_t pos = url_ftell(pb);
811 put_be32(pb, 0); /* size */
813 mov_write_stsd_tag(pb, track);
814 mov_write_stts_tag(pb, track);
815 if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
816 track->hasKeyframes && track->hasKeyframes < track->entry)
817 mov_write_stss_tag(pb, track);
818 if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
820 mov_write_ctts_tag(pb, track);
821 mov_write_stsc_tag(pb, track);
822 mov_write_stsz_tag(pb, track);
823 mov_write_stco_tag(pb, track);
824 return updateSize(pb, pos);
827 static int mov_write_dinf_tag(ByteIOContext *pb)
829 offset_t pos = url_ftell(pb);
830 put_be32(pb, 0); /* size */
832 mov_write_dref_tag(pb);
833 return updateSize(pb, pos);
836 static int mov_write_smhd_tag(ByteIOContext *pb)
838 put_be32(pb, 16); /* size */
840 put_be32(pb, 0); /* version & flags */
841 put_be16(pb, 0); /* reserved (balance, normally = 0) */
842 put_be16(pb, 0); /* reserved */
846 static int mov_write_vmhd_tag(ByteIOContext *pb)
848 put_be32(pb, 0x14); /* size (always 0x14) */
850 put_be32(pb, 0x01); /* version & flags */
851 put_be64(pb, 0); /* reserved (graphics mode = copy) */
855 static int mov_write_hdlr_tag(ByteIOContext *pb, MOVTrack *track)
857 const char *descr, *hdlr, *hdlr_type;
858 offset_t pos = url_ftell(pb);
860 if (!track) { /* no media --> data handler */
863 descr = "DataHandler";
865 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
866 if (track->enc->codec_type == CODEC_TYPE_VIDEO) {
868 descr = "VideoHandler";
871 descr = "SoundHandler";
875 put_be32(pb, 0); /* size */
877 put_be32(pb, 0); /* Version & flags */
878 put_buffer(pb, hdlr, 4); /* handler */
879 put_tag(pb, hdlr_type); /* handler type */
880 put_be32(pb ,0); /* reserved */
881 put_be32(pb ,0); /* reserved */
882 put_be32(pb ,0); /* reserved */
883 put_byte(pb, strlen(descr)); /* string counter */
884 put_buffer(pb, descr, strlen(descr)); /* handler description */
885 return updateSize(pb, pos);
888 static int mov_write_minf_tag(ByteIOContext *pb, MOVTrack *track)
890 offset_t pos = url_ftell(pb);
891 put_be32(pb, 0); /* size */
893 if(track->enc->codec_type == CODEC_TYPE_VIDEO)
894 mov_write_vmhd_tag(pb);
896 mov_write_smhd_tag(pb);
897 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
898 mov_write_hdlr_tag(pb, NULL);
899 mov_write_dinf_tag(pb);
900 mov_write_stbl_tag(pb, track);
901 return updateSize(pb, pos);
904 static int mov_write_mdhd_tag(ByteIOContext *pb, MOVTrack *track)
906 int version = track->trackDuration < INT32_MAX ? 0 : 1;
908 (version == 1) ? put_be32(pb, 44) : put_be32(pb, 32); /* size */
910 put_byte(pb, version);
911 put_be24(pb, 0); /* flags */
913 put_be64(pb, track->time);
914 put_be64(pb, track->time);
916 put_be32(pb, track->time); /* creation time */
917 put_be32(pb, track->time); /* modification time */
919 put_be32(pb, track->timescale); /* time scale (sample rate for audio) */
920 (version == 1) ? put_be64(pb, track->trackDuration) : put_be32(pb, track->trackDuration); /* duration */
921 put_be16(pb, track->language); /* language */
922 put_be16(pb, 0); /* reserved (quality) */
924 if(version!=0 && track->mode == MODE_MOV){
925 av_log(NULL, AV_LOG_ERROR,
926 "FATAL error, file duration too long for timebase, this file will not be\n"
927 "playable with quicktime. Choose a different timebase or a different\n"
928 "container format\n");
934 static int mov_write_mdia_tag(ByteIOContext *pb, MOVTrack *track)
936 offset_t pos = url_ftell(pb);
937 put_be32(pb, 0); /* size */
939 mov_write_mdhd_tag(pb, track);
940 mov_write_hdlr_tag(pb, track);
941 mov_write_minf_tag(pb, track);
942 return updateSize(pb, pos);
945 static int mov_write_tkhd_tag(ByteIOContext *pb, MOVTrack *track, AVStream *st)
947 int64_t duration = av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP);
948 int version = duration < INT32_MAX ? 0 : 1;
950 (version == 1) ? put_be32(pb, 104) : put_be32(pb, 92); /* size */
952 put_byte(pb, version);
953 put_be24(pb, 0xf); /* flags (track enabled) */
955 put_be64(pb, track->time);
956 put_be64(pb, track->time);
958 put_be32(pb, track->time); /* creation time */
959 put_be32(pb, track->time); /* modification time */
961 put_be32(pb, track->trackID); /* track-id */
962 put_be32(pb, 0); /* reserved */
963 (version == 1) ? put_be64(pb, duration) : put_be32(pb, duration);
965 put_be32(pb, 0); /* reserved */
966 put_be32(pb, 0); /* reserved */
967 put_be32(pb, 0x0); /* reserved (Layer & Alternate group) */
968 /* Volume, only for audio */
969 if(track->enc->codec_type == CODEC_TYPE_AUDIO)
970 put_be16(pb, 0x0100);
973 put_be16(pb, 0); /* reserved */
975 /* Matrix structure */
976 put_be32(pb, 0x00010000); /* reserved */
977 put_be32(pb, 0x0); /* reserved */
978 put_be32(pb, 0x0); /* reserved */
979 put_be32(pb, 0x0); /* reserved */
980 put_be32(pb, 0x00010000); /* reserved */
981 put_be32(pb, 0x0); /* reserved */
982 put_be32(pb, 0x0); /* reserved */
983 put_be32(pb, 0x0); /* reserved */
984 put_be32(pb, 0x40000000); /* reserved */
986 /* Track width and height, for visual only */
987 if(track->enc->codec_type == CODEC_TYPE_VIDEO) {
988 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
989 if(!sample_aspect_ratio) sample_aspect_ratio = 1;
990 put_be32(pb, sample_aspect_ratio * track->enc->width*0x10000);
991 put_be32(pb, track->enc->height*0x10000);
1000 // This box seems important for the psp playback ... without it the movie seems to hang
1001 static int mov_write_edts_tag(ByteIOContext *pb, MOVTrack *track)
1003 put_be32(pb, 0x24); /* size */
1004 put_tag(pb, "edts");
1005 put_be32(pb, 0x1c); /* size */
1006 put_tag(pb, "elst");
1010 put_be32(pb, av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP)); /* duration ... doesn't seem to effect psp */
1012 put_be32(pb, track->cluster[0].cts); /* first pts is cts since dts is 0 */
1013 put_be32(pb, 0x00010000);
1017 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1018 static int mov_write_uuid_tag_psp(ByteIOContext *pb, MOVTrack *mov)
1020 put_be32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1021 put_tag(pb, "uuid");
1022 put_tag(pb, "USMT");
1023 put_be32(pb, 0x21d24fce);
1024 put_be32(pb, 0xbb88695c);
1025 put_be32(pb, 0xfac9c740);
1026 put_be32(pb, 0x1c); // another size here!
1027 put_tag(pb, "MTDT");
1028 put_be32(pb, 0x00010012);
1030 put_be32(pb, 0x55c40000);
1036 static int mov_write_trak_tag(ByteIOContext *pb, MOVTrack *track, AVStream *st)
1038 offset_t pos = url_ftell(pb);
1039 put_be32(pb, 0); /* size */
1040 put_tag(pb, "trak");
1041 mov_write_tkhd_tag(pb, track, st);
1042 if (track->mode == MODE_PSP || track->hasBframes)
1043 mov_write_edts_tag(pb, track); // PSP Movies require edts box
1044 mov_write_mdia_tag(pb, track);
1045 if (track->mode == MODE_PSP)
1046 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
1047 return updateSize(pb, pos);
1051 /* TODO: Not sorted out, but not necessary either */
1052 static int mov_write_iods_tag(ByteIOContext *pb, MOVContext *mov)
1054 put_be32(pb, 0x15); /* size */
1055 put_tag(pb, "iods");
1056 put_be32(pb, 0); /* version & flags */
1057 put_be16(pb, 0x1007);
1059 put_be16(pb, 0x4fff);
1060 put_be16(pb, 0xfffe);
1061 put_be16(pb, 0x01ff);
1066 static int mov_write_mvhd_tag(ByteIOContext *pb, MOVContext *mov)
1068 int maxTrackID = 1, i;
1069 int64_t maxTrackLenTemp, maxTrackLen = 0;
1072 for (i=0; i<mov->nb_streams; i++) {
1073 if(mov->tracks[i].entry > 0) {
1074 maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration, globalTimescale, mov->tracks[i].timescale, AV_ROUND_UP);
1075 if(maxTrackLen < maxTrackLenTemp)
1076 maxTrackLen = maxTrackLenTemp;
1077 if(maxTrackID < mov->tracks[i].trackID)
1078 maxTrackID = mov->tracks[i].trackID;
1082 version = maxTrackLen < UINT32_MAX ? 0 : 1;
1083 (version == 1) ? put_be32(pb, 120) : put_be32(pb, 108); /* size */
1084 put_tag(pb, "mvhd");
1085 put_byte(pb, version);
1086 put_be24(pb, 0); /* flags */
1088 put_be64(pb, mov->time);
1089 put_be64(pb, mov->time);
1091 put_be32(pb, mov->time); /* creation time */
1092 put_be32(pb, mov->time); /* modification time */
1094 put_be32(pb, mov->timescale); /* timescale */
1095 (version == 1) ? put_be64(pb, maxTrackLen) : put_be32(pb, maxTrackLen); /* duration of longest track */
1097 put_be32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1098 put_be16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1099 put_be16(pb, 0); /* reserved */
1100 put_be32(pb, 0); /* reserved */
1101 put_be32(pb, 0); /* reserved */
1103 /* Matrix structure */
1104 put_be32(pb, 0x00010000); /* reserved */
1105 put_be32(pb, 0x0); /* reserved */
1106 put_be32(pb, 0x0); /* reserved */
1107 put_be32(pb, 0x0); /* reserved */
1108 put_be32(pb, 0x00010000); /* reserved */
1109 put_be32(pb, 0x0); /* reserved */
1110 put_be32(pb, 0x0); /* reserved */
1111 put_be32(pb, 0x0); /* reserved */
1112 put_be32(pb, 0x40000000); /* reserved */
1114 put_be32(pb, 0); /* reserved (preview time) */
1115 put_be32(pb, 0); /* reserved (preview duration) */
1116 put_be32(pb, 0); /* reserved (poster time) */
1117 put_be32(pb, 0); /* reserved (selection time) */
1118 put_be32(pb, 0); /* reserved (selection duration) */
1119 put_be32(pb, 0); /* reserved (current time) */
1120 put_be32(pb, maxTrackID+1); /* Next track id */
1124 static int mov_write_itunes_hdlr_tag(ByteIOContext *pb, MOVContext *mov,
1127 offset_t pos = url_ftell(pb);
1128 put_be32(pb, 0); /* size */
1129 put_tag(pb, "hdlr");
1132 put_tag(pb, "mdir");
1133 put_tag(pb, "appl");
1137 return updateSize(pb, pos);
1140 /* helper function to write a data tag with the specified string as data */
1141 static int mov_write_string_data_tag(ByteIOContext *pb, const char *data, int long_style)
1144 offset_t pos = url_ftell(pb);
1145 put_be32(pb, 0); /* size */
1146 put_tag(pb, "data");
1149 put_buffer(pb, data, strlen(data));
1150 return updateSize(pb, pos);
1152 put_be16(pb, strlen(data)); /* string length */
1154 put_buffer(pb, data, strlen(data));
1155 return strlen(data) + 4;
1159 static int mov_write_string_tag(ByteIOContext *pb, const char *name, const char *value, int long_style){
1161 if (value && value[0]) {
1162 offset_t pos = url_ftell(pb);
1163 put_be32(pb, 0); /* size */
1165 mov_write_string_data_tag(pb, value, long_style);
1166 size= updateSize(pb, pos);
1172 static int mov_write_day_tag(ByteIOContext *pb, int year, int long_style)
1176 snprintf(year_str, sizeof(year_str), "%04d", year);
1177 return mov_write_string_tag(pb, "\251day", year_str, long_style);
1182 /* iTunes track number */
1183 static int mov_write_trkn_tag(ByteIOContext *pb, MOVContext *mov,
1188 offset_t pos = url_ftell(pb);
1189 put_be32(pb, 0); /* size */
1190 put_tag(pb, "trkn");
1192 offset_t pos = url_ftell(pb);
1193 put_be32(pb, 0); /* size */
1194 put_tag(pb, "data");
1195 put_be32(pb, 0); // 8 bytes empty
1197 put_be16(pb, 0); // empty
1198 put_be16(pb, s->track); // track number
1199 put_be16(pb, 0); // total track number
1200 put_be16(pb, 0); // empty
1201 updateSize(pb, pos);
1203 size = updateSize(pb, pos);
1208 /* iTunes meta data list */
1209 static int mov_write_ilst_tag(ByteIOContext *pb, MOVContext *mov,
1212 offset_t pos = url_ftell(pb);
1213 put_be32(pb, 0); /* size */
1214 put_tag(pb, "ilst");
1215 mov_write_string_tag(pb, "\251nam", s->title , 1);
1216 mov_write_string_tag(pb, "\251ART", s->author , 1);
1217 mov_write_string_tag(pb, "\251wrt", s->author , 1);
1218 mov_write_string_tag(pb, "\251alb", s->album , 1);
1219 mov_write_day_tag(pb, s->year ,1);
1220 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 1);
1221 mov_write_string_tag(pb, "\251cmt", s->comment , 1);
1222 mov_write_string_tag(pb, "\251gen", s->genre , 1);
1223 mov_write_trkn_tag(pb, mov, s);
1224 return updateSize(pb, pos);
1227 /* iTunes meta data tag */
1228 static int mov_write_meta_tag(ByteIOContext *pb, MOVContext *mov,
1233 // only save meta tag if required
1234 if (s->title[0] || s->author[0] || s->album[0] || s->year ||
1235 s->comment[0] || s->genre[0] || s->track) {
1236 offset_t pos = url_ftell(pb);
1237 put_be32(pb, 0); /* size */
1238 put_tag(pb, "meta");
1240 mov_write_itunes_hdlr_tag(pb, mov, s);
1241 mov_write_ilst_tag(pb, mov, s);
1242 size = updateSize(pb, pos);
1247 static int utf8len(const uint8_t *b)
1252 GET_UTF8(val, *b++, return -1;)
1258 static int ascii_to_wc(ByteIOContext *pb, const uint8_t *b)
1262 GET_UTF8(val, *b++, return -1;)
1269 static uint16_t language_code(const char *str)
1271 return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
1274 static int mov_write_3gp_udta_tag(ByteIOContext *pb, AVFormatContext *s,
1275 const char *tag, const char *str)
1277 offset_t pos = url_ftell(pb);
1280 put_be32(pb, 0); /* size */
1281 put_tag (pb, tag); /* type */
1282 put_be32(pb, 0); /* version + flags */
1283 if (!strcmp(tag, "yrrc"))
1284 put_be16(pb, s->year);
1286 put_be16(pb, language_code("eng")); /* language */
1287 ascii_to_wc(pb, str);
1288 if (!strcmp(tag, "albm") && s->year)
1289 put_byte(pb, s->year);
1291 return updateSize(pb, pos);
1294 static int mov_write_udta_tag(ByteIOContext *pb, MOVContext *mov,
1300 for (i = 0; i < s->nb_streams; i++)
1301 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
1306 if (!bitexact && (s->title[0] || s->author[0] || s->album[0] || s->year ||
1307 s->comment[0] || s->genre[0] || s->track)) {
1308 offset_t pos = url_ftell(pb);
1310 put_be32(pb, 0); /* size */
1311 put_tag(pb, "udta");
1313 if (mov->mode & MODE_3GP) {
1314 mov_write_3gp_udta_tag(pb, s, "titl", s->title);
1315 mov_write_3gp_udta_tag(pb, s, "auth", s->author);
1316 mov_write_3gp_udta_tag(pb, s, "gnre", s->genre);
1317 mov_write_3gp_udta_tag(pb, s, "dscp", s->comment);
1318 mov_write_3gp_udta_tag(pb, s, "albm", s->album);
1319 mov_write_3gp_udta_tag(pb, s, "yrrc", "nil");
1320 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
1321 mov_write_string_tag(pb, "\251nam", s->title , 0);
1322 mov_write_string_tag(pb, "\251aut", s->author , 0);
1323 mov_write_string_tag(pb, "\251alb", s->album , 0);
1324 mov_write_day_tag(pb, s->year, 0);
1325 mov_write_string_tag(pb, "\251enc", LIBAVFORMAT_IDENT, 0);
1326 mov_write_string_tag(pb, "\251des", s->comment , 0);
1327 mov_write_string_tag(pb, "\251gen", s->genre , 0);
1329 /* iTunes meta data */
1330 mov_write_meta_tag(pb, mov, s);
1332 return updateSize(pb, pos);
1338 static void mov_write_psp_udta_tag(ByteIOContext *pb,
1339 const char *str, const char *lang, int type)
1341 int len = utf8len(str)+1;
1344 put_be16(pb, len*2+10); /* size */
1345 put_be32(pb, type); /* type */
1346 put_be16(pb, language_code(lang)); /* language */
1347 put_be16(pb, 0x01); /* ? */
1348 ascii_to_wc(pb, str);
1351 static int mov_write_uuidusmt_tag(ByteIOContext *pb, AVFormatContext *s)
1356 pos = url_ftell(pb);
1357 put_be32(pb, 0); /* size placeholder*/
1358 put_tag(pb, "uuid");
1359 put_tag(pb, "USMT");
1360 put_be32(pb, 0x21d24fce); /* 96 bit UUID */
1361 put_be32(pb, 0xbb88695c);
1362 put_be32(pb, 0xfac9c740);
1364 pos2 = url_ftell(pb);
1365 put_be32(pb, 0); /* size placeholder*/
1366 put_tag(pb, "MTDT");
1370 put_be16(pb, 0x0C); /* size */
1371 put_be32(pb, 0x0B); /* type */
1372 put_be16(pb, language_code("und")); /* language */
1373 put_be16(pb, 0x0); /* ? */
1374 put_be16(pb, 0x021C); /* data */
1376 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
1377 mov_write_psp_udta_tag(pb, s->title, "eng", 0x01);
1378 // 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);
1379 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
1381 updateSize(pb, pos2);
1382 return updateSize(pb, pos);
1388 static int mov_write_moov_tag(ByteIOContext *pb, MOVContext *mov,
1392 offset_t pos = url_ftell(pb);
1393 put_be32(pb, 0); /* size placeholder*/
1394 put_tag(pb, "moov");
1395 mov->timescale = globalTimescale;
1397 for (i=0; i<mov->nb_streams; i++) {
1398 if(mov->tracks[i].entry <= 0) continue;
1400 mov->tracks[i].time = mov->time;
1401 mov->tracks[i].trackID = i+1;
1404 mov_write_mvhd_tag(pb, mov);
1405 //mov_write_iods_tag(pb, mov);
1406 for (i=0; i<mov->nb_streams; i++) {
1407 if(mov->tracks[i].entry > 0) {
1408 mov_write_trak_tag(pb, &(mov->tracks[i]), s->streams[i]);
1412 if (mov->mode == MODE_PSP)
1413 mov_write_uuidusmt_tag(pb, s);
1415 mov_write_udta_tag(pb, mov, s);
1417 return updateSize(pb, pos);
1420 static int mov_write_mdat_tag(ByteIOContext *pb, MOVContext *mov)
1422 put_be32(pb, 8); // placeholder for extended size field (64 bit)
1423 put_tag(pb, mov->mode == MODE_MOV ? "wide" : "free");
1425 mov->mdat_pos = url_ftell(pb);
1426 put_be32(pb, 0); /* size placeholder*/
1427 put_tag(pb, "mdat");
1431 /* TODO: This needs to be more general */
1432 static int mov_write_ftyp_tag(ByteIOContext *pb, AVFormatContext *s)
1434 MOVContext *mov = s->priv_data;
1435 offset_t pos = url_ftell(pb);
1436 int has_h264 = 0, has_video = 0;
1440 for (i = 0; i < s->nb_streams; i++) {
1441 AVStream *st = s->streams[i];
1442 if (st->codec->codec_type == CODEC_TYPE_VIDEO)
1444 if (st->codec->codec_id == CODEC_ID_H264)
1448 put_be32(pb, 0); /* size */
1449 put_tag(pb, "ftyp");
1451 if (mov->mode == MODE_3GP) {
1452 put_tag(pb, has_h264 ? "3gp6" : "3gp4");
1453 minor = has_h264 ? 0x100 : 0x200;
1454 } else if (mov->mode & MODE_3G2) {
1455 put_tag(pb, has_h264 ? "3g2b" : "3g2a");
1456 minor = has_h264 ? 0x20000 : 0x10000;
1457 }else if (mov->mode == MODE_PSP)
1458 put_tag(pb, "MSNV");
1459 else if (mov->mode == MODE_MP4)
1460 put_tag(pb, "isom");
1461 else if (mov->mode == MODE_IPOD)
1462 put_tag(pb, has_video ? "M4V ":"M4A ");
1466 put_be32(pb, minor);
1468 if(mov->mode == MODE_MOV)
1471 put_tag(pb, "isom");
1472 put_tag(pb, "iso2");
1474 put_tag(pb, "avc1");
1477 if (mov->mode == MODE_3GP)
1478 put_tag(pb, has_h264 ? "3gp6":"3gp4");
1479 else if (mov->mode & MODE_3G2)
1480 put_tag(pb, has_h264 ? "3g2b":"3g2a");
1481 else if (mov->mode == MODE_PSP)
1482 put_tag(pb, "MSNV");
1483 else if (mov->mode == MODE_MP4)
1484 put_tag(pb, "mp41");
1485 return updateSize(pb, pos);
1488 static void mov_write_uuidprof_tag(ByteIOContext *pb, AVFormatContext *s)
1490 AVCodecContext *VideoCodec = s->streams[0]->codec;
1491 AVCodecContext *AudioCodec = s->streams[1]->codec;
1492 int AudioRate = AudioCodec->sample_rate;
1493 int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num);
1494 int audio_kbitrate= AudioCodec->bit_rate / 1000;
1495 int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate);
1497 put_be32(pb, 0x94); /* size */
1498 put_tag(pb, "uuid");
1499 put_tag(pb, "PROF");
1501 put_be32(pb, 0x21d24fce); /* 96 bit UUID */
1502 put_be32(pb, 0xbb88695c);
1503 put_be32(pb, 0xfac9c740);
1505 put_be32(pb, 0x0); /* ? */
1506 put_be32(pb, 0x3); /* 3 sections ? */
1508 put_be32(pb, 0x14); /* size */
1509 put_tag(pb, "FPRF");
1510 put_be32(pb, 0x0); /* ? */
1511 put_be32(pb, 0x0); /* ? */
1512 put_be32(pb, 0x0); /* ? */
1514 put_be32(pb, 0x2c); /* size */
1515 put_tag(pb, "APRF"); /* audio */
1517 put_be32(pb, 0x2); /* TrackID */
1518 put_tag(pb, "mp4a");
1519 put_be32(pb, 0x20f);
1521 put_be32(pb, audio_kbitrate);
1522 put_be32(pb, audio_kbitrate);
1523 put_be32(pb, AudioRate);
1524 put_be32(pb, AudioCodec->channels);
1526 put_be32(pb, 0x34); /* size */
1527 put_tag(pb, "VPRF"); /* video */
1529 put_be32(pb, 0x1); /* TrackID */
1530 if (VideoCodec->codec_id == CODEC_ID_H264) {
1531 put_tag(pb, "avc1");
1532 put_be16(pb, 0x014D);
1533 put_be16(pb, 0x0015);
1535 put_tag(pb, "mp4v");
1536 put_be16(pb, 0x0000);
1537 put_be16(pb, 0x0103);
1540 put_be32(pb, video_kbitrate);
1541 put_be32(pb, video_kbitrate);
1542 put_be32(pb, FrameRate);
1543 put_be32(pb, FrameRate);
1544 put_be16(pb, VideoCodec->width);
1545 put_be16(pb, VideoCodec->height);
1546 put_be32(pb, 0x010001); /* ? */
1549 static int mov_write_header(AVFormatContext *s)
1551 ByteIOContext *pb = s->pb;
1552 MOVContext *mov = s->priv_data;
1555 if (url_is_streamed(s->pb)) {
1556 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
1560 /* Default mode == MP4 */
1561 mov->mode = MODE_MP4;
1563 if (s->oformat != NULL) {
1564 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
1565 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
1566 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
1567 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
1568 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
1570 mov_write_ftyp_tag(pb,s);
1571 if (mov->mode == MODE_PSP) {
1572 if (s->nb_streams != 2) {
1573 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
1576 mov_write_uuidprof_tag(pb,s);
1580 for(i=0; i<s->nb_streams; i++){
1581 AVStream *st= s->streams[i];
1582 MOVTrack *track= &mov->tracks[i];
1584 track->enc = st->codec;
1585 track->language = ff_mov_iso639_to_lang(st->language, mov->mode != MODE_MOV);
1586 track->mode = mov->mode;
1587 track->tag = mov_find_codec_tag(s, track);
1589 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
1590 "codec not currently supported in container\n", i);
1593 if(st->codec->codec_type == CODEC_TYPE_VIDEO){
1594 track->timescale = st->codec->time_base.den;
1595 av_set_pts_info(st, 64, 1, st->codec->time_base.den);
1596 if (track->mode == MODE_MOV && track->timescale > 100000)
1597 av_log(s, AV_LOG_WARNING,
1598 "WARNING codec timebase is very high. If duration is too long,\n"
1599 "file may not be playable by quicktime. Specify a shorter timebase\n"
1600 "or choose different container.\n");
1601 }else if(st->codec->codec_type == CODEC_TYPE_AUDIO){
1602 track->timescale = st->codec->sample_rate;
1603 av_set_pts_info(st, 64, 1, st->codec->sample_rate);
1604 if(!st->codec->frame_size){
1605 av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
1607 }else if(st->codec->frame_size > 1){ /* assume compressed audio */
1608 track->audio_vbr = 1;
1610 track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
1612 if(track->mode != MODE_MOV &&
1613 track->enc->codec_id == CODEC_ID_MP3 && track->enc->sample_rate < 16000){
1614 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
1615 i, track->enc->sample_rate);
1621 mov_write_mdat_tag(pb, mov);
1622 mov->time = s->timestamp + 0x7C25B080; //1970 based -> 1904 based
1623 mov->nb_streams = s->nb_streams;
1625 put_flush_packet(pb);
1630 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
1632 MOVContext *mov = s->priv_data;
1633 ByteIOContext *pb = s->pb;
1634 MOVTrack *trk = &mov->tracks[pkt->stream_index];
1635 AVCodecContext *enc = trk->enc;
1636 unsigned int samplesInChunk = 0;
1637 int size= pkt->size;
1639 if (url_is_streamed(s->pb)) return 0; /* Can't handle that */
1640 if (!size) return 0; /* Discard 0 sized packets */
1642 if (enc->codec_id == CODEC_ID_AMR_NB) {
1643 /* We must find out how many AMR blocks there are in one packet */
1644 static uint16_t packed_size[16] =
1645 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 0};
1648 while (len < size && samplesInChunk < 100) {
1649 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
1652 if(samplesInChunk > 1){
1653 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
1656 } else if (trk->sampleSize)
1657 samplesInChunk = size/trk->sampleSize;
1661 /* copy extradata if it exists */
1662 if (trk->vosLen == 0 && enc->extradata_size > 0) {
1663 trk->vosLen = enc->extradata_size;
1664 trk->vosData = av_malloc(trk->vosLen);
1665 memcpy(trk->vosData, enc->extradata, trk->vosLen);
1668 if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) {
1669 /* from x264 or from bytestream h264 */
1670 /* nal reformating needed */
1671 int ret = ff_avc_parse_nal_units(pkt->data, &pkt->data, &pkt->size);
1676 } else if ((enc->codec_id == CODEC_ID_DNXHD ||
1677 enc->codec_id == CODEC_ID_AC3) && !trk->vosLen) {
1678 /* copy frame to create needed atoms */
1680 trk->vosData = av_malloc(size);
1682 return AVERROR(ENOMEM);
1683 memcpy(trk->vosData, pkt->data, size);
1686 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
1687 trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster));
1692 trk->cluster[trk->entry].pos = url_ftell(pb);
1693 trk->cluster[trk->entry].samplesInChunk = samplesInChunk;
1694 trk->cluster[trk->entry].size = size;
1695 trk->cluster[trk->entry].entries = samplesInChunk;
1696 trk->cluster[trk->entry].dts = pkt->dts;
1697 trk->trackDuration = pkt->dts - trk->cluster[0].dts + pkt->duration;
1699 if (pkt->pts == AV_NOPTS_VALUE) {
1700 av_log(s, AV_LOG_WARNING, "pts has no value\n");
1701 pkt->pts = pkt->dts;
1703 if (pkt->dts != pkt->pts)
1704 trk->hasBframes = 1;
1705 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
1706 trk->cluster[trk->entry].key_frame = !!(pkt->flags & PKT_FLAG_KEY);
1707 if(trk->cluster[trk->entry].key_frame)
1708 trk->hasKeyframes++;
1710 trk->sampleCount += samplesInChunk;
1711 mov->mdat_size += size;
1713 put_buffer(pb, pkt->data, size);
1715 put_flush_packet(pb);
1719 static int mov_write_trailer(AVFormatContext *s)
1721 MOVContext *mov = s->priv_data;
1722 ByteIOContext *pb = s->pb;
1726 offset_t moov_pos = url_ftell(pb);
1728 /* Write size of mdat tag */
1729 if (mov->mdat_size+8 <= UINT32_MAX) {
1730 url_fseek(pb, mov->mdat_pos, SEEK_SET);
1731 put_be32(pb, mov->mdat_size+8);
1733 /* overwrite 'wide' placeholder atom */
1734 url_fseek(pb, mov->mdat_pos - 8, SEEK_SET);
1735 put_be32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */
1736 put_tag(pb, "mdat");
1737 put_be64(pb, mov->mdat_size+16);
1739 url_fseek(pb, moov_pos, SEEK_SET);
1741 mov_write_moov_tag(pb, mov, s);
1743 for (i=0; i<mov->nb_streams; i++) {
1744 av_freep(&mov->tracks[i].cluster);
1746 if(mov->tracks[i].vosLen) av_free(mov->tracks[i].vosData);
1750 put_flush_packet(pb);
1755 #ifdef CONFIG_MOV_MUXER
1756 AVOutputFormat mov_muxer = {
1758 NULL_IF_CONFIG_SMALL("MOV format"),
1767 .flags = AVFMT_GLOBALHEADER,
1768 .codec_tag = (const AVCodecTag* const []){codec_movvideo_tags, codec_movaudio_tags, 0},
1771 #ifdef CONFIG_TGP_MUXER
1772 AVOutputFormat tgp_muxer = {
1774 NULL_IF_CONFIG_SMALL("3GP format"),
1783 .flags = AVFMT_GLOBALHEADER,
1784 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
1787 #ifdef CONFIG_MP4_MUXER
1788 AVOutputFormat mp4_muxer = {
1790 NULL_IF_CONFIG_SMALL("MP4 format"),
1799 .flags = AVFMT_GLOBALHEADER,
1800 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
1803 #ifdef CONFIG_PSP_MUXER
1804 AVOutputFormat psp_muxer = {
1806 NULL_IF_CONFIG_SMALL("PSP MP4 format"),
1815 .flags = AVFMT_GLOBALHEADER,
1816 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
1819 #ifdef CONFIG_TG2_MUXER
1820 AVOutputFormat tg2_muxer = {
1822 NULL_IF_CONFIG_SMALL("3GP2 format"),
1831 .flags = AVFMT_GLOBALHEADER,
1832 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
1835 #ifdef CONFIG_IPOD_MUXER
1836 AVOutputFormat ipod_muxer = {
1838 NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"),
1847 .flags = AVFMT_GLOBALHEADER,
1848 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},