3 * Copyright (c) 2003 Thomas Raivio
4 * Copyright (c) 2004 Gildas Bazin <gbazin at videolan dot org>
5 * Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
7 * This file is part of Libav.
9 * Libav is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
14 * Libav is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with Libav; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
26 #include "avio_internal.h"
31 #include "libavcodec/get_bits.h"
32 #include "libavcodec/put_bits.h"
33 #include "libavcodec/vc1.h"
35 #include "libavutil/avstring.h"
36 #include "libavutil/intfloat.h"
37 #include "libavutil/mathematics.h"
38 #include "libavutil/opt.h"
39 #include "libavutil/dict.h"
46 static const AVOption options[] = {
47 { "movflags", "MOV muxer flags", offsetof(MOVMuxContext, flags), AV_OPT_TYPE_FLAGS, {.dbl = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
48 { "rtphint", "Add RTP hint tracks", 0, AV_OPT_TYPE_CONST, {.dbl = FF_MOV_FLAG_RTP_HINT}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
49 { "empty_moov", "Make the initial moov atom empty (not supported by QuickTime)", 0, AV_OPT_TYPE_CONST, {.dbl = FF_MOV_FLAG_EMPTY_MOOV}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
50 { "frag_keyframe", "Fragment at video keyframes", 0, AV_OPT_TYPE_CONST, {.dbl = FF_MOV_FLAG_FRAG_KEYFRAME}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
51 { "separate_moof", "Write separate moof/mdat atoms for each track", 0, AV_OPT_TYPE_CONST, {.dbl = FF_MOV_FLAG_SEPARATE_MOOF}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
52 { "frag_custom", "Flush fragments on caller requests", 0, AV_OPT_TYPE_CONST, {.dbl = FF_MOV_FLAG_FRAG_CUSTOM}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
53 { "isml", "Create a live smooth streaming feed (for pushing to a publishing point)", 0, AV_OPT_TYPE_CONST, {.dbl = FF_MOV_FLAG_ISML}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
54 FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
55 { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_INT, {.dbl = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
56 { "iods_audio_profile", "iods audio profile atom.", offsetof(MOVMuxContext, iods_audio_profile), AV_OPT_TYPE_INT, {.dbl = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM},
57 { "iods_video_profile", "iods video profile atom.", offsetof(MOVMuxContext, iods_video_profile), AV_OPT_TYPE_INT, {.dbl = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM},
58 { "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.dbl = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
59 { "frag_size", "Maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.dbl = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
60 { "ism_lookahead", "Number of lookahead entries for ISM files", offsetof(MOVMuxContext, ism_lookahead), AV_OPT_TYPE_INT, {.dbl = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
64 #define MOV_CLASS(flavor)\
65 static const AVClass flavor ## _muxer_class = {\
66 .class_name = #flavor " muxer",\
67 .item_name = av_default_item_name,\
69 .version = LIBAVUTIL_VERSION_INT,\
72 //FIXME support 64 bit variant with wide placeholders
73 static int64_t update_size(AVIOContext *pb, int64_t pos)
75 int64_t curpos = avio_tell(pb);
76 avio_seek(pb, pos, SEEK_SET);
77 avio_wb32(pb, curpos - pos); /* rewrite size */
78 avio_seek(pb, curpos, SEEK_SET);
83 /* Chunk offset atom */
84 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
87 int mode64 = 0; // use 32 bit size variant if possible
88 int64_t pos = avio_tell(pb);
89 avio_wb32(pb, 0); /* size */
90 if (pos > UINT32_MAX) {
92 ffio_wfourcc(pb, "co64");
94 ffio_wfourcc(pb, "stco");
95 avio_wb32(pb, 0); /* version & flags */
96 avio_wb32(pb, track->entry); /* entry count */
97 for (i=0; i<track->entry; i++) {
99 avio_wb64(pb, track->cluster[i].pos);
101 avio_wb32(pb, track->cluster[i].pos);
103 return update_size(pb, pos);
106 /* Sample size atom */
107 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
110 int i, j, entries = 0, tst = -1, oldtst = -1;
112 int64_t pos = avio_tell(pb);
113 avio_wb32(pb, 0); /* size */
114 ffio_wfourcc(pb, "stsz");
115 avio_wb32(pb, 0); /* version & flags */
117 for (i=0; i<track->entry; i++) {
118 tst = track->cluster[i].size/track->cluster[i].entries;
119 if(oldtst != -1 && tst != oldtst) {
123 entries += track->cluster[i].entries;
125 if (equalChunks && track->entry) {
126 int sSize = track->entry ? track->cluster[0].size/track->cluster[0].entries : 0;
127 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
128 avio_wb32(pb, sSize); // sample size
129 avio_wb32(pb, entries); // sample count
132 avio_wb32(pb, 0); // sample size
133 avio_wb32(pb, entries); // sample count
134 for (i=0; i<track->entry; i++) {
135 for (j=0; j<track->cluster[i].entries; j++) {
136 avio_wb32(pb, track->cluster[i].size /
137 track->cluster[i].entries);
141 return update_size(pb, pos);
144 /* Sample to chunk atom */
145 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
147 int index = 0, oldval = -1, i;
148 int64_t entryPos, curpos;
150 int64_t pos = avio_tell(pb);
151 avio_wb32(pb, 0); /* size */
152 ffio_wfourcc(pb, "stsc");
153 avio_wb32(pb, 0); // version & flags
154 entryPos = avio_tell(pb);
155 avio_wb32(pb, track->entry); // entry count
156 for (i=0; i<track->entry; i++) {
157 if (oldval != track->cluster[i].samples_in_chunk)
159 avio_wb32(pb, i+1); // first chunk
160 avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
161 avio_wb32(pb, 0x1); // sample description index
162 oldval = track->cluster[i].samples_in_chunk;
166 curpos = avio_tell(pb);
167 avio_seek(pb, entryPos, SEEK_SET);
168 avio_wb32(pb, index); // rewrite size
169 avio_seek(pb, curpos, SEEK_SET);
171 return update_size(pb, pos);
174 /* Sync sample atom */
175 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
177 int64_t curpos, entryPos;
179 int64_t pos = avio_tell(pb);
180 avio_wb32(pb, 0); // size
181 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
182 avio_wb32(pb, 0); // version & flags
183 entryPos = avio_tell(pb);
184 avio_wb32(pb, track->entry); // entry count
185 for (i=0; i<track->entry; i++) {
186 if (track->cluster[i].flags & flag) {
191 curpos = avio_tell(pb);
192 avio_seek(pb, entryPos, SEEK_SET);
193 avio_wb32(pb, index); // rewrite size
194 avio_seek(pb, curpos, SEEK_SET);
195 return update_size(pb, pos);
198 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
200 avio_wb32(pb, 0x11); /* size */
201 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
202 else ffio_wfourcc(pb, "damr");
203 ffio_wfourcc(pb, "FFMP");
204 avio_w8(pb, 0); /* decoder version */
206 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
207 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
208 avio_w8(pb, 0x01); /* Frames per sample */
212 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
217 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
219 if (track->vos_len < 7)
223 ffio_wfourcc(pb, "dac3");
225 init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
226 fscod = get_bits(&gbc, 2);
227 frmsizecod = get_bits(&gbc, 6);
228 bsid = get_bits(&gbc, 5);
229 bsmod = get_bits(&gbc, 3);
230 acmod = get_bits(&gbc, 3);
232 skip_bits(&gbc, 2); // dsurmod
234 if ((acmod & 1) && acmod != 1)
235 skip_bits(&gbc, 2); // cmixlev
237 skip_bits(&gbc, 2); // surmixlev
239 lfeon = get_bits1(&gbc);
241 init_put_bits(&pbc, buf, sizeof(buf));
242 put_bits(&pbc, 2, fscod);
243 put_bits(&pbc, 5, bsid);
244 put_bits(&pbc, 3, bsmod);
245 put_bits(&pbc, 3, acmod);
246 put_bits(&pbc, 1, lfeon);
247 put_bits(&pbc, 5, frmsizecod>>1); // bit_rate_code
248 put_bits(&pbc, 5, 0); // reserved
250 flush_put_bits(&pbc);
251 avio_write(pb, buf, sizeof(buf));
257 * This function writes extradata "as is".
258 * Extradata must be formatted like a valid atom (with size and tag).
260 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
262 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
263 return track->enc->extradata_size;
266 static int mov_write_enda_tag(AVIOContext *pb)
269 ffio_wfourcc(pb, "enda");
270 avio_wb16(pb, 1); /* little endian */
274 static void put_descr(AVIOContext *pb, int tag, unsigned int size)
279 avio_w8(pb, (size>>(7*i)) | 0x80);
280 avio_w8(pb, size & 0x7F);
283 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
285 int64_t pos = avio_tell(pb);
286 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
288 avio_wb32(pb, 0); // size
289 ffio_wfourcc(pb, "esds");
290 avio_wb32(pb, 0); // Version
293 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
294 avio_wb16(pb, track->track_id);
295 avio_w8(pb, 0x00); // flags (= no flags)
297 // DecoderConfig descriptor
298 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
300 // Object type indication
301 if ((track->enc->codec_id == CODEC_ID_MP2 ||
302 track->enc->codec_id == CODEC_ID_MP3) &&
303 track->enc->sample_rate > 24000)
304 avio_w8(pb, 0x6B); // 11172-3
306 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
308 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
309 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
310 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
311 avio_w8(pb, 0x15); // flags (= Audiostream)
313 avio_w8(pb, 0x11); // flags (= Visualstream)
315 avio_w8(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits)
316 avio_wb16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB
318 avio_wb32(pb, FFMAX(track->enc->bit_rate, track->enc->rc_max_rate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
319 if(track->enc->rc_max_rate != track->enc->rc_min_rate || track->enc->rc_min_rate==0)
320 avio_wb32(pb, 0); // vbr
322 avio_wb32(pb, track->enc->rc_max_rate); // avg bitrate
324 if (track->vos_len) {
325 // DecoderSpecific info descriptor
326 put_descr(pb, 0x05, track->vos_len);
327 avio_write(pb, track->vos_data, track->vos_len);
331 put_descr(pb, 0x06, 1);
333 return update_size(pb, pos);
336 static int mov_pcm_le_gt16(enum CodecID codec_id)
338 return codec_id == CODEC_ID_PCM_S24LE ||
339 codec_id == CODEC_ID_PCM_S32LE ||
340 codec_id == CODEC_ID_PCM_F32LE ||
341 codec_id == CODEC_ID_PCM_F64LE;
344 static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
346 int64_t pos = avio_tell(pb);
348 avio_wl32(pb, track->tag); // store it byteswapped
349 track->enc->codec_tag = av_bswap16(track->tag >> 16);
350 ff_put_wav_header(pb, track->enc);
351 return update_size(pb, pos);
354 static int mov_write_wfex_tag(AVIOContext *pb, MOVTrack *track)
356 int64_t pos = avio_tell(pb);
358 ffio_wfourcc(pb, "wfex");
359 ff_put_wav_header(pb, track->enc);
360 return update_size(pb, pos);
363 static int mov_write_chan_tag(AVIOContext *pb, MOVTrack *track)
365 uint32_t layout_tag, bitmap;
366 int64_t pos = avio_tell(pb);
368 layout_tag = ff_mov_get_channel_layout_tag(track->enc->codec_id,
369 track->enc->channel_layout,
372 av_log(track->enc, AV_LOG_WARNING, "not writing 'chan' tag due to "
373 "lack of channel information\n");
377 avio_wb32(pb, 0); // Size
378 ffio_wfourcc(pb, "chan"); // Type
379 avio_w8(pb, 0); // Version
380 avio_wb24(pb, 0); // Flags
381 avio_wb32(pb, layout_tag); // mChannelLayoutTag
382 avio_wb32(pb, bitmap); // mChannelBitmap
383 avio_wb32(pb, 0); // mNumberChannelDescriptions
385 return update_size(pb, pos);
388 static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
390 int64_t pos = avio_tell(pb);
392 avio_wb32(pb, 0); /* size */
393 ffio_wfourcc(pb, "wave");
395 avio_wb32(pb, 12); /* size */
396 ffio_wfourcc(pb, "frma");
397 avio_wl32(pb, track->tag);
399 if (track->enc->codec_id == CODEC_ID_AAC) {
400 /* useless atom needed by mplayer, ipod, not needed by quicktime */
401 avio_wb32(pb, 12); /* size */
402 ffio_wfourcc(pb, "mp4a");
404 mov_write_esds_tag(pb, track);
405 } else if (mov_pcm_le_gt16(track->enc->codec_id)) {
406 mov_write_enda_tag(pb);
407 } else if (track->enc->codec_id == CODEC_ID_AMR_NB) {
408 mov_write_amr_tag(pb, track);
409 } else if (track->enc->codec_id == CODEC_ID_AC3) {
410 mov_write_chan_tag(pb, track);
411 mov_write_ac3_tag(pb, track);
412 } else if (track->enc->codec_id == CODEC_ID_ALAC) {
413 mov_write_extradata_tag(pb, track);
414 } else if (track->enc->codec_id == CODEC_ID_ADPCM_MS ||
415 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
416 mov_write_ms_tag(pb, track);
419 avio_wb32(pb, 8); /* size */
420 avio_wb32(pb, 0); /* null tag */
422 return update_size(pb, pos);
425 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
428 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
429 int unescaped_size, seq_found = 0;
430 int level = 0, interlace = 0;
431 int packet_seq = track->vc1_info.packet_seq;
432 int packet_entry = track->vc1_info.packet_entry;
433 int slices = track->vc1_info.slices;
436 if (track->start_dts == AV_NOPTS_VALUE) {
437 /* No packets written yet, vc1_info isn't authoritative yet. */
438 /* Assume inline sequence and entry headers. This will be
439 * overwritten at the end if the file is seekable. */
440 packet_seq = packet_entry = 1;
443 unescaped = av_mallocz(track->vos_len + FF_INPUT_BUFFER_PADDING_SIZE);
445 return AVERROR(ENOMEM);
446 start = find_next_marker(track->vos_data, end);
447 for (next = start; next < end; start = next) {
450 next = find_next_marker(start + 4, end);
451 size = next - start - 4;
454 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
455 init_get_bits(&gb, unescaped, 8 * unescaped_size);
456 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
457 int profile = get_bits(&gb, 2);
458 if (profile != PROFILE_ADVANCED) {
460 return AVERROR(ENOSYS);
463 level = get_bits(&gb, 3);
464 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
466 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
467 skip_bits(&gb, 1); /* broadcast */
468 interlace = get_bits1(&gb);
469 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
474 return AVERROR(ENOSYS);
477 init_put_bits(&pbc, buf, 7);
478 /* VC1DecSpecStruc */
479 put_bits(&pbc, 4, 12); /* profile - advanced */
480 put_bits(&pbc, 3, level);
481 put_bits(&pbc, 1, 0); /* reserved */
482 /* VC1AdvDecSpecStruc */
483 put_bits(&pbc, 3, level);
484 put_bits(&pbc, 1, 0); /* cbr */
485 put_bits(&pbc, 6, 0); /* reserved */
486 put_bits(&pbc, 1, !interlace); /* no interlace */
487 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
488 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
489 put_bits(&pbc, 1, !slices); /* no slice code */
490 put_bits(&pbc, 1, 0); /* no bframe */
491 put_bits(&pbc, 1, 0); /* reserved */
492 put_bits32(&pbc, track->enc->time_base.den); /* framerate */
493 flush_put_bits(&pbc);
500 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
502 uint8_t buf[7] = { 0 };
505 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
508 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
509 ffio_wfourcc(pb, "dvc1");
510 track->vc1_info.struct_offset = avio_tell(pb);
511 avio_write(pb, buf, sizeof(buf));
512 avio_write(pb, track->vos_data, track->vos_len);
517 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
519 avio_wb32(pb, track->vos_len + 8);
520 ffio_wfourcc(pb, "glbl");
521 avio_write(pb, track->vos_data, track->vos_len);
522 return 8 + track->vos_len;
526 * Compute flags for 'lpcm' tag.
527 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
529 static int mov_get_lpcm_flags(enum CodecID codec_id)
532 case CODEC_ID_PCM_F32BE:
533 case CODEC_ID_PCM_F64BE:
535 case CODEC_ID_PCM_F32LE:
536 case CODEC_ID_PCM_F64LE:
538 case CODEC_ID_PCM_U8:
540 case CODEC_ID_PCM_S16BE:
541 case CODEC_ID_PCM_S24BE:
542 case CODEC_ID_PCM_S32BE:
544 case CODEC_ID_PCM_S8:
545 case CODEC_ID_PCM_S16LE:
546 case CODEC_ID_PCM_S24LE:
547 case CODEC_ID_PCM_S32LE:
554 static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
556 int64_t pos = avio_tell(pb);
558 uint32_t tag = track->tag;
560 if (track->mode == MODE_MOV) {
561 if (mov_get_lpcm_flags(track->enc->codec_id))
562 tag = AV_RL32("lpcm");
566 avio_wb32(pb, 0); /* size */
567 avio_wl32(pb, tag); // store it byteswapped
568 avio_wb32(pb, 0); /* Reserved */
569 avio_wb16(pb, 0); /* Reserved */
570 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
572 /* SoundDescription */
573 avio_wb16(pb, version); /* Version */
574 avio_wb16(pb, 0); /* Revision level */
575 avio_wb32(pb, 0); /* Reserved */
580 avio_wb16(pb, 0xfffe);
582 avio_wb32(pb, 0x00010000);
584 avio_wb64(pb, av_double2int(track->enc->sample_rate));
585 avio_wb32(pb, track->enc->channels);
586 avio_wb32(pb, 0x7F000000);
587 avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
588 avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
589 avio_wb32(pb, track->sample_size);
590 avio_wb32(pb, track->audio_vbr ? track->enc->frame_size : 1);
592 /* reserved for mp4/3gp */
597 avio_wb16(pb, 0); /* packet size (= 0) */
598 avio_wb16(pb, track->enc->sample_rate);
599 avio_wb16(pb, 0); /* Reserved */
602 if(track->mode == MODE_MOV &&
603 (track->enc->codec_id == CODEC_ID_AAC ||
604 track->enc->codec_id == CODEC_ID_AC3 ||
605 track->enc->codec_id == CODEC_ID_AMR_NB ||
606 track->enc->codec_id == CODEC_ID_ALAC ||
607 track->enc->codec_id == CODEC_ID_ADPCM_MS ||
608 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV ||
609 mov_pcm_le_gt16(track->enc->codec_id)))
610 mov_write_wave_tag(pb, track);
611 else if(track->tag == MKTAG('m','p','4','a'))
612 mov_write_esds_tag(pb, track);
613 else if(track->enc->codec_id == CODEC_ID_AMR_NB)
614 mov_write_amr_tag(pb, track);
615 else if(track->enc->codec_id == CODEC_ID_AC3)
616 mov_write_ac3_tag(pb, track);
617 else if(track->enc->codec_id == CODEC_ID_ALAC)
618 mov_write_extradata_tag(pb, track);
619 else if (track->enc->codec_id == CODEC_ID_WMAPRO)
620 mov_write_wfex_tag(pb, track);
621 else if (track->vos_len > 0)
622 mov_write_glbl_tag(pb, track);
624 return update_size(pb, pos);
627 static int mov_write_d263_tag(AVIOContext *pb)
629 avio_wb32(pb, 0xf); /* size */
630 ffio_wfourcc(pb, "d263");
631 ffio_wfourcc(pb, "FFMP");
632 avio_w8(pb, 0); /* decoder version */
633 /* FIXME use AVCodecContext level/profile, when encoder will set values */
634 avio_w8(pb, 0xa); /* level */
635 avio_w8(pb, 0); /* profile */
639 /* TODO: No idea about these values */
640 static int mov_write_svq3_tag(AVIOContext *pb)
643 ffio_wfourcc(pb, "SMI ");
644 ffio_wfourcc(pb, "SEQH");
646 avio_wb32(pb, 0xe2c0211d);
647 avio_wb32(pb, 0xc0000000);
652 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
654 int64_t pos = avio_tell(pb);
657 ffio_wfourcc(pb, "avcC");
658 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
659 return update_size(pb, pos);
662 /* also used by all avid codecs (dv, imx, meridien) and their variants */
663 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
666 avio_wb32(pb, 24); /* size */
667 ffio_wfourcc(pb, "ACLR");
668 ffio_wfourcc(pb, "ACLR");
669 ffio_wfourcc(pb, "0001");
670 avio_wb32(pb, 2); /* yuv range: full 1 / normal 2 */
671 avio_wb32(pb, 0); /* unknown */
673 avio_wb32(pb, 24); /* size */
674 ffio_wfourcc(pb, "APRG");
675 ffio_wfourcc(pb, "APRG");
676 ffio_wfourcc(pb, "0001");
677 avio_wb32(pb, 1); /* unknown */
678 avio_wb32(pb, 0); /* unknown */
680 avio_wb32(pb, 120); /* size */
681 ffio_wfourcc(pb, "ARES");
682 ffio_wfourcc(pb, "ARES");
683 ffio_wfourcc(pb, "0001");
684 avio_wb32(pb, AV_RB32(track->vos_data + 0x28)); /* dnxhd cid, some id ? */
685 avio_wb32(pb, track->enc->width);
686 /* values below are based on samples created with quicktime and avid codecs */
687 if (track->vos_data[5] & 2) { // interlaced
688 avio_wb32(pb, track->enc->height/2);
689 avio_wb32(pb, 2); /* unknown */
690 avio_wb32(pb, 0); /* unknown */
691 avio_wb32(pb, 4); /* unknown */
693 avio_wb32(pb, track->enc->height);
694 avio_wb32(pb, 1); /* unknown */
695 avio_wb32(pb, 0); /* unknown */
696 if (track->enc->height == 1080)
697 avio_wb32(pb, 5); /* unknown */
699 avio_wb32(pb, 6); /* unknown */
702 for (i = 0; i < 10; i++)
705 /* extra padding for stsd needed */
710 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
712 int tag = track->enc->codec_tag;
714 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
717 if (track->enc->codec_id == CODEC_ID_H264) tag = MKTAG('a','v','c','1');
718 else if (track->enc->codec_id == CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
719 else if (track->enc->codec_id == CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
720 else if (track->enc->codec_id == CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
721 else if (track->enc->codec_id == CODEC_ID_VC1) tag = MKTAG('v','c','-','1');
722 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
723 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
728 static const AVCodecTag codec_ipod_tags[] = {
729 { CODEC_ID_H264, MKTAG('a','v','c','1') },
730 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
731 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
732 { CODEC_ID_ALAC, MKTAG('a','l','a','c') },
733 { CODEC_ID_AC3, MKTAG('a','c','-','3') },
734 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
735 { CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
736 { CODEC_ID_NONE, 0 },
739 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
741 int tag = track->enc->codec_tag;
743 // keep original tag for subs, ipod supports both formats
744 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
745 (tag == MKTAG('t','x','3','g') ||
746 tag == MKTAG('t','e','x','t'))))
747 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
749 if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v"))
750 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
751 "Quicktime/Ipod might not play the file\n");
756 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
760 if (track->enc->width == 720) /* SD */
761 if (track->enc->height == 480) /* NTSC */
762 if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
763 else tag = MKTAG('d','v','c',' ');
764 else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
765 else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
766 else tag = MKTAG('d','v','p','p');
767 else if (track->enc->height == 720) /* HD 720 line */
768 if (track->enc->time_base.den == 50) tag = MKTAG('d','v','h','q');
769 else tag = MKTAG('d','v','h','p');
770 else if (track->enc->height == 1080) /* HD 1080 line */
771 if (track->enc->time_base.den == 25) tag = MKTAG('d','v','h','5');
772 else tag = MKTAG('d','v','h','6');
774 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
781 static const struct {
782 enum PixelFormat pix_fmt;
785 } mov_pix_fmt_tags[] = {
786 { PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
787 { PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
788 { PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
789 { PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
790 { PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
791 { PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
792 { PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
793 { PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
794 { PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
795 { PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
796 { PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
797 { PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
798 { PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
799 { PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
802 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
804 int tag = track->enc->codec_tag;
807 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
808 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
809 tag = mov_pix_fmt_tags[i].tag;
810 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
818 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
820 int tag = track->enc->codec_tag;
822 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
823 (track->enc->codec_id == CODEC_ID_DVVIDEO ||
824 track->enc->codec_id == CODEC_ID_RAWVIDEO ||
825 track->enc->codec_id == CODEC_ID_H263 ||
826 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
827 if (track->enc->codec_id == CODEC_ID_DVVIDEO)
828 tag = mov_get_dv_codec_tag(s, track);
829 else if (track->enc->codec_id == CODEC_ID_RAWVIDEO)
830 tag = mov_get_rawvideo_codec_tag(s, track);
831 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
832 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->enc->codec_id);
833 if (!tag) { // if no mac fcc found, try with Microsoft tags
834 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
836 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
837 "the file may be unplayable!\n");
839 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
840 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->enc->codec_id);
841 if (!tag) { // if no mac fcc found, try with Microsoft tags
842 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
844 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
845 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
846 "the file may be unplayable!\n");
849 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
850 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
856 static const AVCodecTag codec_3gp_tags[] = {
857 { CODEC_ID_H263, MKTAG('s','2','6','3') },
858 { CODEC_ID_H264, MKTAG('a','v','c','1') },
859 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
860 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
861 { CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
862 { CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
863 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
864 { CODEC_ID_NONE, 0 },
867 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
869 int tag = track->enc->codec_tag;
871 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
872 tag = mp4_get_codec_tag(s, track);
873 else if (track->mode == MODE_ISM) {
874 tag = mp4_get_codec_tag(s, track);
875 if (!tag && track->enc->codec_id == CODEC_ID_WMAPRO)
876 tag = MKTAG('w', 'm', 'a', ' ');
877 } else if (track->mode == MODE_IPOD)
878 tag = ipod_get_codec_tag(s, track);
879 else if (track->mode & MODE_3GP)
880 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
882 tag = mov_get_codec_tag(s, track);
888 * Needed to make file play in iPods running newest firmware
889 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
891 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
894 ffio_wfourcc(pb, "uuid");
895 avio_wb32(pb, 0x6b6840f2);
896 avio_wb32(pb, 0x5f244fc5);
897 avio_wb32(pb, 0xba39a51b);
898 avio_wb32(pb, 0xcf0323f3);
903 static const uint16_t fiel_data[] = {
904 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
907 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track)
909 unsigned mov_field_order = 0;
910 if (track->enc->field_order < FF_ARRAY_ELEMS(fiel_data))
911 mov_field_order = fiel_data[track->enc->field_order];
915 ffio_wfourcc(pb, "fiel");
916 avio_wb16(pb, mov_field_order);
920 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
922 int64_t pos = avio_tell(pb);
923 avio_wb32(pb, 0); /* size */
924 avio_wl32(pb, track->tag); // store it byteswapped
925 avio_wb32(pb, 0); /* Reserved */
926 avio_wb16(pb, 0); /* Reserved */
927 avio_wb16(pb, 1); /* Data-reference index */
929 if (track->enc->extradata_size)
930 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
932 return update_size(pb, pos);
935 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
938 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
939 track->enc->sample_aspect_ratio.den, INT_MAX);
942 ffio_wfourcc(pb, "pasp");
943 avio_wb32(pb, sar.num);
944 avio_wb32(pb, sar.den);
948 static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
950 int64_t pos = avio_tell(pb);
951 char compressor_name[32];
953 avio_wb32(pb, 0); /* size */
954 avio_wl32(pb, track->tag); // store it byteswapped
955 avio_wb32(pb, 0); /* Reserved */
956 avio_wb16(pb, 0); /* Reserved */
957 avio_wb16(pb, 1); /* Data-reference index */
959 avio_wb16(pb, 0); /* Codec stream version */
960 avio_wb16(pb, 0); /* Codec stream revision (=0) */
961 if (track->mode == MODE_MOV) {
962 ffio_wfourcc(pb, "FFMP"); /* Vendor */
963 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
964 avio_wb32(pb, 0); /* Temporal Quality */
965 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
967 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
968 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
971 avio_wb32(pb, 0); /* Reserved */
972 avio_wb32(pb, 0); /* Reserved */
973 avio_wb32(pb, 0); /* Reserved */
975 avio_wb16(pb, track->enc->width); /* Video width */
976 avio_wb16(pb, track->height); /* Video height */
977 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
978 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
979 avio_wb32(pb, 0); /* Data size (= 0) */
980 avio_wb16(pb, 1); /* Frame count (= 1) */
982 memset(compressor_name,0,32);
983 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
984 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
985 av_strlcpy(compressor_name,track->enc->codec->name,32);
986 avio_w8(pb, strlen(compressor_name));
987 avio_write(pb, compressor_name, 31);
989 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
990 avio_wb16(pb, track->enc->bits_per_coded_sample);
992 avio_wb16(pb, 0x18); /* Reserved */
993 avio_wb16(pb, 0xffff); /* Reserved */
994 if(track->tag == MKTAG('m','p','4','v'))
995 mov_write_esds_tag(pb, track);
996 else if(track->enc->codec_id == CODEC_ID_H263)
997 mov_write_d263_tag(pb);
998 else if(track->enc->codec_id == CODEC_ID_SVQ3)
999 mov_write_svq3_tag(pb);
1000 else if(track->enc->codec_id == CODEC_ID_DNXHD)
1001 mov_write_avid_tag(pb, track);
1002 else if(track->enc->codec_id == CODEC_ID_H264) {
1003 mov_write_avcc_tag(pb, track);
1004 if(track->mode == MODE_IPOD)
1005 mov_write_uuid_tag_ipod(pb);
1006 } else if (track->enc->field_order != AV_FIELD_UNKNOWN)
1007 mov_write_fiel_tag(pb, track);
1008 else if (track->enc->codec_id == CODEC_ID_VC1 && track->vos_len > 0)
1009 mov_write_dvc1_tag(pb, track);
1010 else if (track->vos_len > 0)
1011 mov_write_glbl_tag(pb, track);
1013 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
1014 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
1015 mov_write_pasp_tag(pb, track);
1018 return update_size(pb, pos);
1021 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
1023 int64_t pos = avio_tell(pb);
1024 avio_wb32(pb, 0); /* size */
1025 ffio_wfourcc(pb, "rtp ");
1026 avio_wb32(pb, 0); /* Reserved */
1027 avio_wb16(pb, 0); /* Reserved */
1028 avio_wb16(pb, 1); /* Data-reference index */
1030 avio_wb16(pb, 1); /* Hint track version */
1031 avio_wb16(pb, 1); /* Highest compatible version */
1032 avio_wb32(pb, track->max_packet_size); /* Max packet size */
1034 avio_wb32(pb, 12); /* size */
1035 ffio_wfourcc(pb, "tims");
1036 avio_wb32(pb, track->timescale);
1038 return update_size(pb, pos);
1041 static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
1043 int64_t pos = avio_tell(pb);
1044 avio_wb32(pb, 0); /* size */
1045 ffio_wfourcc(pb, "stsd");
1046 avio_wb32(pb, 0); /* version & flags */
1047 avio_wb32(pb, 1); /* entry count */
1048 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1049 mov_write_video_tag(pb, track);
1050 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1051 mov_write_audio_tag(pb, track);
1052 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
1053 mov_write_subtitle_tag(pb, track);
1054 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
1055 mov_write_rtp_tag(pb, track);
1056 return update_size(pb, pos);
1059 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
1061 MOVStts *ctts_entries;
1062 uint32_t entries = 0;
1066 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
1067 ctts_entries[0].count = 1;
1068 ctts_entries[0].duration = track->cluster[0].cts;
1069 for (i=1; i<track->entry; i++) {
1070 if (track->cluster[i].cts == ctts_entries[entries].duration) {
1071 ctts_entries[entries].count++; /* compress */
1074 ctts_entries[entries].duration = track->cluster[i].cts;
1075 ctts_entries[entries].count = 1;
1078 entries++; /* last one */
1079 atom_size = 16 + (entries * 8);
1080 avio_wb32(pb, atom_size); /* size */
1081 ffio_wfourcc(pb, "ctts");
1082 avio_wb32(pb, 0); /* version & flags */
1083 avio_wb32(pb, entries); /* entry count */
1084 for (i=0; i<entries; i++) {
1085 avio_wb32(pb, ctts_entries[i].count);
1086 avio_wb32(pb, ctts_entries[i].duration);
1088 av_free(ctts_entries);
1092 /* Time to sample atom */
1093 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
1095 MOVStts *stts_entries;
1096 uint32_t entries = -1;
1100 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
1101 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
1102 stts_entries[0].count = track->sample_count;
1103 stts_entries[0].duration = 1;
1106 stts_entries = track->entry ?
1107 av_malloc(track->entry * sizeof(*stts_entries)) : /* worst case */
1109 for (i=0; i<track->entry; i++) {
1110 int64_t duration = i + 1 == track->entry ?
1111 track->track_duration - track->cluster[i].dts + track->start_dts : /* readjusting */
1112 track->cluster[i+1].dts - track->cluster[i].dts;
1113 if (i && duration == stts_entries[entries].duration) {
1114 stts_entries[entries].count++; /* compress */
1117 stts_entries[entries].duration = duration;
1118 stts_entries[entries].count = 1;
1121 entries++; /* last one */
1123 atom_size = 16 + (entries * 8);
1124 avio_wb32(pb, atom_size); /* size */
1125 ffio_wfourcc(pb, "stts");
1126 avio_wb32(pb, 0); /* version & flags */
1127 avio_wb32(pb, entries); /* entry count */
1128 for (i=0; i<entries; i++) {
1129 avio_wb32(pb, stts_entries[i].count);
1130 avio_wb32(pb, stts_entries[i].duration);
1132 av_free(stts_entries);
1136 static int mov_write_dref_tag(AVIOContext *pb)
1138 avio_wb32(pb, 28); /* size */
1139 ffio_wfourcc(pb, "dref");
1140 avio_wb32(pb, 0); /* version & flags */
1141 avio_wb32(pb, 1); /* entry count */
1143 avio_wb32(pb, 0xc); /* size */
1144 ffio_wfourcc(pb, "url ");
1145 avio_wb32(pb, 1); /* version & flags */
1150 static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
1152 int64_t pos = avio_tell(pb);
1153 avio_wb32(pb, 0); /* size */
1154 ffio_wfourcc(pb, "stbl");
1155 mov_write_stsd_tag(pb, track);
1156 mov_write_stts_tag(pb, track);
1157 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1158 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
1159 track->has_keyframes && track->has_keyframes < track->entry)
1160 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1161 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1162 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
1163 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1164 track->flags & MOV_TRACK_CTTS)
1165 mov_write_ctts_tag(pb, track);
1166 mov_write_stsc_tag(pb, track);
1167 mov_write_stsz_tag(pb, track);
1168 mov_write_stco_tag(pb, track);
1169 return update_size(pb, pos);
1172 static int mov_write_dinf_tag(AVIOContext *pb)
1174 int64_t pos = avio_tell(pb);
1175 avio_wb32(pb, 0); /* size */
1176 ffio_wfourcc(pb, "dinf");
1177 mov_write_dref_tag(pb);
1178 return update_size(pb, pos);
1181 static int mov_write_nmhd_tag(AVIOContext *pb)
1184 ffio_wfourcc(pb, "nmhd");
1189 static int mov_write_gmhd_tag(AVIOContext *pb)
1191 avio_wb32(pb, 0x20); /* size */
1192 ffio_wfourcc(pb, "gmhd");
1193 avio_wb32(pb, 0x18); /* gmin size */
1194 ffio_wfourcc(pb, "gmin");/* generic media info */
1195 avio_wb32(pb, 0); /* version & flags */
1196 avio_wb16(pb, 0x40); /* graphics mode = */
1197 avio_wb16(pb, 0x8000); /* opColor (r?) */
1198 avio_wb16(pb, 0x8000); /* opColor (g?) */
1199 avio_wb16(pb, 0x8000); /* opColor (b?) */
1200 avio_wb16(pb, 0); /* balance */
1201 avio_wb16(pb, 0); /* reserved */
1205 static int mov_write_smhd_tag(AVIOContext *pb)
1207 avio_wb32(pb, 16); /* size */
1208 ffio_wfourcc(pb, "smhd");
1209 avio_wb32(pb, 0); /* version & flags */
1210 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1211 avio_wb16(pb, 0); /* reserved */
1215 static int mov_write_vmhd_tag(AVIOContext *pb)
1217 avio_wb32(pb, 0x14); /* size (always 0x14) */
1218 ffio_wfourcc(pb, "vmhd");
1219 avio_wb32(pb, 0x01); /* version & flags */
1220 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
1224 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
1226 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1227 int64_t pos = avio_tell(pb);
1229 if (!track) { /* no media --> data handler */
1232 descr = "DataHandler";
1234 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1235 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1237 descr = "VideoHandler";
1238 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1240 descr = "SoundHandler";
1241 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1242 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
1243 else hdlr_type = "text";
1244 descr = "SubtitleHandler";
1245 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1247 descr = "HintHandler";
1251 avio_wb32(pb, 0); /* size */
1252 ffio_wfourcc(pb, "hdlr");
1253 avio_wb32(pb, 0); /* Version & flags */
1254 avio_write(pb, hdlr, 4); /* handler */
1255 ffio_wfourcc(pb, hdlr_type); /* handler type */
1256 avio_wb32(pb ,0); /* reserved */
1257 avio_wb32(pb ,0); /* reserved */
1258 avio_wb32(pb ,0); /* reserved */
1259 if (!track || track->mode == MODE_MOV)
1260 avio_w8(pb, strlen(descr)); /* pascal string */
1261 avio_write(pb, descr, strlen(descr)); /* handler description */
1262 if (track && track->mode != MODE_MOV)
1263 avio_w8(pb, 0); /* c string */
1264 return update_size(pb, pos);
1267 static int mov_write_hmhd_tag(AVIOContext *pb)
1269 /* This atom must be present, but leaving the values at zero
1270 * seems harmless. */
1271 avio_wb32(pb, 28); /* size */
1272 ffio_wfourcc(pb, "hmhd");
1273 avio_wb32(pb, 0); /* version, flags */
1274 avio_wb16(pb, 0); /* maxPDUsize */
1275 avio_wb16(pb, 0); /* avgPDUsize */
1276 avio_wb32(pb, 0); /* maxbitrate */
1277 avio_wb32(pb, 0); /* avgbitrate */
1278 avio_wb32(pb, 0); /* reserved */
1282 static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
1284 int64_t pos = avio_tell(pb);
1285 avio_wb32(pb, 0); /* size */
1286 ffio_wfourcc(pb, "minf");
1287 if(track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1288 mov_write_vmhd_tag(pb);
1289 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1290 mov_write_smhd_tag(pb);
1291 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1292 if (track->tag == MKTAG('t','e','x','t')) mov_write_gmhd_tag(pb);
1293 else mov_write_nmhd_tag(pb);
1294 } else if (track->tag == MKTAG('r','t','p',' ')) {
1295 mov_write_hmhd_tag(pb);
1297 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1298 mov_write_hdlr_tag(pb, NULL);
1299 mov_write_dinf_tag(pb);
1300 mov_write_stbl_tag(pb, track);
1301 return update_size(pb, pos);
1304 static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track)
1306 int version = track->track_duration < INT32_MAX ? 0 : 1;
1308 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
1309 ffio_wfourcc(pb, "mdhd");
1310 avio_w8(pb, version);
1311 avio_wb24(pb, 0); /* flags */
1313 avio_wb64(pb, track->time);
1314 avio_wb64(pb, track->time);
1316 avio_wb32(pb, track->time); /* creation time */
1317 avio_wb32(pb, track->time); /* modification time */
1319 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
1320 (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
1321 avio_wb16(pb, track->language); /* language */
1322 avio_wb16(pb, 0); /* reserved (quality) */
1324 if(version!=0 && track->mode == MODE_MOV){
1325 av_log(NULL, AV_LOG_ERROR,
1326 "FATAL error, file duration too long for timebase, this file will not be\n"
1327 "playable with quicktime. Choose a different timebase or a different\n"
1328 "container format\n");
1334 static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track)
1336 int64_t pos = avio_tell(pb);
1337 avio_wb32(pb, 0); /* size */
1338 ffio_wfourcc(pb, "mdia");
1339 mov_write_mdhd_tag(pb, track);
1340 mov_write_hdlr_tag(pb, track);
1341 mov_write_minf_tag(pb, track);
1342 return update_size(pb, pos);
1345 static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1347 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1348 track->timescale, AV_ROUND_UP);
1349 int version = duration < INT32_MAX ? 0 : 1;
1351 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
1352 ffio_wfourcc(pb, "tkhd");
1353 avio_w8(pb, version);
1354 avio_wb24(pb, 0xf); /* flags (track enabled) */
1356 avio_wb64(pb, track->time);
1357 avio_wb64(pb, track->time);
1359 avio_wb32(pb, track->time); /* creation time */
1360 avio_wb32(pb, track->time); /* modification time */
1362 avio_wb32(pb, track->track_id); /* track-id */
1363 avio_wb32(pb, 0); /* reserved */
1364 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
1366 avio_wb32(pb, 0); /* reserved */
1367 avio_wb32(pb, 0); /* reserved */
1368 avio_wb16(pb, 0); /* layer */
1369 avio_wb16(pb, st ? st->codec->codec_type : 0); /* alternate group) */
1370 /* Volume, only for audio */
1371 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1372 avio_wb16(pb, 0x0100);
1375 avio_wb16(pb, 0); /* reserved */
1377 /* Matrix structure */
1378 avio_wb32(pb, 0x00010000); /* reserved */
1379 avio_wb32(pb, 0x0); /* reserved */
1380 avio_wb32(pb, 0x0); /* reserved */
1381 avio_wb32(pb, 0x0); /* reserved */
1382 avio_wb32(pb, 0x00010000); /* reserved */
1383 avio_wb32(pb, 0x0); /* reserved */
1384 avio_wb32(pb, 0x0); /* reserved */
1385 avio_wb32(pb, 0x0); /* reserved */
1386 avio_wb32(pb, 0x40000000); /* reserved */
1388 /* Track width and height, for visual only */
1389 if(st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1390 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
1391 if(track->mode == MODE_MOV) {
1392 avio_wb32(pb, track->enc->width << 16);
1393 avio_wb32(pb, track->height << 16);
1395 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1396 if(!sample_aspect_ratio || track->height != track->enc->height)
1397 sample_aspect_ratio = 1;
1398 avio_wb32(pb, sample_aspect_ratio * track->enc->width*0x10000);
1399 avio_wb32(pb, track->height*0x10000);
1409 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
1411 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
1412 track->enc->sample_aspect_ratio.den);
1414 int64_t pos = avio_tell(pb);
1416 avio_wb32(pb, 0); /* size */
1417 ffio_wfourcc(pb, "tapt");
1420 ffio_wfourcc(pb, "clef");
1422 avio_wb32(pb, width << 16);
1423 avio_wb32(pb, track->enc->height << 16);
1426 ffio_wfourcc(pb, "enof");
1428 avio_wb32(pb, track->enc->width << 16);
1429 avio_wb32(pb, track->enc->height << 16);
1431 return update_size(pb, pos);
1434 // This box seems important for the psp playback ... without it the movie seems to hang
1435 static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track)
1437 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1438 track->timescale, AV_ROUND_UP);
1439 int version = duration < INT32_MAX ? 0 : 1;
1440 int entry_size, entry_count, size;
1441 int64_t delay, start_ct = track->cluster[0].cts;
1442 delay = av_rescale_rnd(track->cluster[0].dts + start_ct, MOV_TIMESCALE,
1443 track->timescale, AV_ROUND_DOWN);
1444 version |= delay < INT32_MAX ? 0 : 1;
1446 entry_size = (version == 1) ? 20 : 12;
1447 entry_count = 1 + (delay > 0);
1448 size = 24 + entry_count * entry_size;
1450 /* write the atom data */
1451 avio_wb32(pb, size);
1452 ffio_wfourcc(pb, "edts");
1453 avio_wb32(pb, size - 8);
1454 ffio_wfourcc(pb, "elst");
1455 avio_w8(pb, version);
1456 avio_wb24(pb, 0); /* flags */
1458 avio_wb32(pb, entry_count);
1459 if (delay > 0) { /* add an empty edit to delay presentation */
1461 avio_wb64(pb, delay);
1464 avio_wb32(pb, delay);
1467 avio_wb32(pb, 0x00010000);
1472 avio_wb64(pb, duration);
1473 avio_wb64(pb, start_ct);
1475 avio_wb32(pb, duration);
1476 avio_wb32(pb, start_ct);
1478 avio_wb32(pb, 0x00010000);
1482 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
1484 avio_wb32(pb, 20); // size
1485 ffio_wfourcc(pb, "tref");
1486 avio_wb32(pb, 12); // size (subatom)
1487 avio_wl32(pb, track->tref_tag);
1488 avio_wb32(pb, track->tref_id);
1492 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1493 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
1495 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1496 ffio_wfourcc(pb, "uuid");
1497 ffio_wfourcc(pb, "USMT");
1498 avio_wb32(pb, 0x21d24fce);
1499 avio_wb32(pb, 0xbb88695c);
1500 avio_wb32(pb, 0xfac9c740);
1501 avio_wb32(pb, 0x1c); // another size here!
1502 ffio_wfourcc(pb, "MTDT");
1503 avio_wb32(pb, 0x00010012);
1504 avio_wb32(pb, 0x0a);
1505 avio_wb32(pb, 0x55c40000);
1511 static int mov_write_udta_sdp(AVIOContext *pb, AVFormatContext *ctx, int index)
1513 char buf[1000] = "";
1516 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0]->codec, NULL, NULL, 0, 0, ctx);
1517 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", index);
1520 avio_wb32(pb, len + 24);
1521 ffio_wfourcc(pb, "udta");
1522 avio_wb32(pb, len + 16);
1523 ffio_wfourcc(pb, "hnti");
1524 avio_wb32(pb, len + 8);
1525 ffio_wfourcc(pb, "sdp ");
1526 avio_write(pb, buf, len);
1530 static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov,
1531 MOVTrack *track, AVStream *st)
1533 int64_t pos = avio_tell(pb);
1534 avio_wb32(pb, 0); /* size */
1535 ffio_wfourcc(pb, "trak");
1536 mov_write_tkhd_tag(pb, track, st);
1537 if (track->mode == MODE_PSP || track->flags & MOV_TRACK_CTTS ||
1538 (track->entry && track->cluster[0].dts)) {
1539 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
1540 mov_write_edts_tag(pb, track); // PSP Movies require edts box
1542 if (track->tref_tag)
1543 mov_write_tref_tag(pb, track);
1544 mov_write_mdia_tag(pb, track);
1545 if (track->mode == MODE_PSP)
1546 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
1547 if (track->tag == MKTAG('r','t','p',' '))
1548 mov_write_udta_sdp(pb, track->rtp_ctx, track->track_id);
1549 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && track->mode == MODE_MOV) {
1550 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1551 if (0.0 != sample_aspect_ratio && 1.0 != sample_aspect_ratio)
1552 mov_write_tapt_tag(pb, track);
1554 return update_size(pb, pos);
1557 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
1559 int i, has_audio = 0, has_video = 0;
1560 int64_t pos = avio_tell(pb);
1561 int audio_profile = mov->iods_audio_profile;
1562 int video_profile = mov->iods_video_profile;
1563 for (i = 0; i < mov->nb_streams; i++) {
1564 if(mov->tracks[i].entry > 0) {
1565 has_audio |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_AUDIO;
1566 has_video |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_VIDEO;
1569 if (audio_profile < 0)
1570 audio_profile = 0xFF - has_audio;
1571 if (video_profile < 0)
1572 video_profile = 0xFF - has_video;
1573 avio_wb32(pb, 0x0); /* size */
1574 ffio_wfourcc(pb, "iods");
1575 avio_wb32(pb, 0); /* version & flags */
1576 put_descr(pb, 0x10, 7);
1577 avio_wb16(pb, 0x004f);
1580 avio_w8(pb, audio_profile);
1581 avio_w8(pb, video_profile);
1583 return update_size(pb, pos);
1586 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
1588 avio_wb32(pb, 0x20); /* size */
1589 ffio_wfourcc(pb, "trex");
1590 avio_wb32(pb, 0); /* version & flags */
1591 avio_wb32(pb, track->track_id); /* track ID */
1592 avio_wb32(pb, 1); /* default sample description index */
1593 avio_wb32(pb, 0); /* default sample duration */
1594 avio_wb32(pb, 0); /* default sample size */
1595 avio_wb32(pb, 0); /* default sample flags */
1599 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
1601 int64_t pos = avio_tell(pb);
1603 avio_wb32(pb, 0x0); /* size */
1604 ffio_wfourcc(pb, "mvex");
1605 for (i = 0; i < mov->nb_streams; i++)
1606 mov_write_trex_tag(pb, &mov->tracks[i]);
1607 return update_size(pb, pos);
1610 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
1612 int max_track_id = 1, i;
1613 int64_t max_track_len_temp, max_track_len = 0;
1616 for (i=0; i<mov->nb_streams; i++) {
1617 if(mov->tracks[i].entry > 0) {
1618 max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
1620 mov->tracks[i].timescale,
1622 if (max_track_len < max_track_len_temp)
1623 max_track_len = max_track_len_temp;
1624 if (max_track_id < mov->tracks[i].track_id)
1625 max_track_id = mov->tracks[i].track_id;
1629 version = max_track_len < UINT32_MAX ? 0 : 1;
1630 (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
1631 ffio_wfourcc(pb, "mvhd");
1632 avio_w8(pb, version);
1633 avio_wb24(pb, 0); /* flags */
1635 avio_wb64(pb, mov->time);
1636 avio_wb64(pb, mov->time);
1638 avio_wb32(pb, mov->time); /* creation time */
1639 avio_wb32(pb, mov->time); /* modification time */
1641 avio_wb32(pb, MOV_TIMESCALE);
1642 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
1644 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1645 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1646 avio_wb16(pb, 0); /* reserved */
1647 avio_wb32(pb, 0); /* reserved */
1648 avio_wb32(pb, 0); /* reserved */
1650 /* Matrix structure */
1651 avio_wb32(pb, 0x00010000); /* reserved */
1652 avio_wb32(pb, 0x0); /* reserved */
1653 avio_wb32(pb, 0x0); /* reserved */
1654 avio_wb32(pb, 0x0); /* reserved */
1655 avio_wb32(pb, 0x00010000); /* reserved */
1656 avio_wb32(pb, 0x0); /* reserved */
1657 avio_wb32(pb, 0x0); /* reserved */
1658 avio_wb32(pb, 0x0); /* reserved */
1659 avio_wb32(pb, 0x40000000); /* reserved */
1661 avio_wb32(pb, 0); /* reserved (preview time) */
1662 avio_wb32(pb, 0); /* reserved (preview duration) */
1663 avio_wb32(pb, 0); /* reserved (poster time) */
1664 avio_wb32(pb, 0); /* reserved (selection time) */
1665 avio_wb32(pb, 0); /* reserved (selection duration) */
1666 avio_wb32(pb, 0); /* reserved (current time) */
1667 avio_wb32(pb, max_track_id + 1); /* Next track id */
1671 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
1674 avio_wb32(pb, 33); /* size */
1675 ffio_wfourcc(pb, "hdlr");
1678 ffio_wfourcc(pb, "mdir");
1679 ffio_wfourcc(pb, "appl");
1686 /* helper function to write a data tag with the specified string as data */
1687 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
1690 int size = 16 + strlen(data);
1691 avio_wb32(pb, size); /* size */
1692 ffio_wfourcc(pb, "data");
1695 avio_write(pb, data, strlen(data));
1699 lang = ff_mov_iso639_to_lang("und", 1);
1700 avio_wb16(pb, strlen(data)); /* string length */
1701 avio_wb16(pb, lang);
1702 avio_write(pb, data, strlen(data));
1703 return strlen(data) + 4;
1707 static int mov_write_string_tag(AVIOContext *pb, const char *name, const char *value, int lang, int long_style){
1709 if (value && value[0]) {
1710 int64_t pos = avio_tell(pb);
1711 avio_wb32(pb, 0); /* size */
1712 ffio_wfourcc(pb, name);
1713 mov_write_string_data_tag(pb, value, lang, long_style);
1714 size = update_size(pb, pos);
1719 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
1720 const char *name, const char *tag,
1723 int l, lang = 0, len, len2;
1724 AVDictionaryEntry *t, *t2 = NULL;
1727 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
1730 len = strlen(t->key);
1731 snprintf(tag2, sizeof(tag2), "%s-", tag);
1732 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
1733 len2 = strlen(t2->key);
1734 if (len2 == len+4 && !strcmp(t->value, t2->value)
1735 && (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 1)) >= 0) {
1740 return mov_write_string_tag(pb, name, t->value, lang, long_style);
1743 /* iTunes track number */
1744 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
1747 AVDictionaryEntry *t = av_dict_get(s->metadata, "track", NULL, 0);
1748 int size = 0, track = t ? atoi(t->value) : 0;
1750 avio_wb32(pb, 32); /* size */
1751 ffio_wfourcc(pb, "trkn");
1752 avio_wb32(pb, 24); /* size */
1753 ffio_wfourcc(pb, "data");
1754 avio_wb32(pb, 0); // 8 bytes empty
1756 avio_wb16(pb, 0); // empty
1757 avio_wb16(pb, track); // track number
1758 avio_wb16(pb, 0); // total track number
1759 avio_wb16(pb, 0); // empty
1765 /* iTunes meta data list */
1766 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
1769 int64_t pos = avio_tell(pb);
1770 avio_wb32(pb, 0); /* size */
1771 ffio_wfourcc(pb, "ilst");
1772 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
1773 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
1774 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
1775 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
1776 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
1777 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
1778 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
1779 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
1780 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
1781 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
1782 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
1783 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
1784 mov_write_string_metadata(s, pb, "desc", "description",1);
1785 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
1786 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
1787 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
1788 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
1789 mov_write_trkn_tag(pb, mov, s);
1790 return update_size(pb, pos);
1793 /* iTunes meta data tag */
1794 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
1798 int64_t pos = avio_tell(pb);
1799 avio_wb32(pb, 0); /* size */
1800 ffio_wfourcc(pb, "meta");
1802 mov_write_itunes_hdlr_tag(pb, mov, s);
1803 mov_write_ilst_tag(pb, mov, s);
1804 size = update_size(pb, pos);
1808 static int utf8len(const uint8_t *b)
1813 GET_UTF8(val, *b++, return -1;)
1819 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
1823 GET_UTF8(val, *b++, return -1;)
1826 avio_wb16(pb, 0x00);
1830 static uint16_t language_code(const char *str)
1832 return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
1835 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
1836 const char *tag, const char *str)
1838 int64_t pos = avio_tell(pb);
1839 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
1840 if (!t || !utf8len(t->value))
1842 avio_wb32(pb, 0); /* size */
1843 ffio_wfourcc(pb, tag); /* type */
1844 avio_wb32(pb, 0); /* version + flags */
1845 if (!strcmp(tag, "yrrc"))
1846 avio_wb16(pb, atoi(t->value));
1848 avio_wb16(pb, language_code("eng")); /* language */
1849 avio_write(pb, t->value, strlen(t->value)+1); /* UTF8 string value */
1850 if (!strcmp(tag, "albm") &&
1851 (t = av_dict_get(s->metadata, "track", NULL, 0)))
1852 avio_w8(pb, atoi(t->value));
1854 return update_size(pb, pos);
1857 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
1859 int64_t pos = avio_tell(pb);
1860 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
1862 avio_wb32(pb, 0); // size
1863 ffio_wfourcc(pb, "chpl");
1864 avio_wb32(pb, 0x01000000); // version + flags
1865 avio_wb32(pb, 0); // unknown
1866 avio_w8(pb, nb_chapters);
1868 for (i = 0; i < nb_chapters; i++) {
1869 AVChapter *c = s->chapters[i];
1870 AVDictionaryEntry *t;
1871 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
1873 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
1874 int len = FFMIN(strlen(t->value), 255);
1876 avio_write(pb, t->value, len);
1880 return update_size(pb, pos);
1883 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
1886 AVIOContext *pb_buf;
1890 for (i = 0; i < s->nb_streams; i++)
1891 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
1895 ret = avio_open_dyn_buf(&pb_buf);
1899 if (mov->mode & MODE_3GP) {
1900 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
1901 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
1902 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
1903 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
1904 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
1905 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
1906 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
1907 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
1908 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
1909 mov_write_string_metadata(s, pb_buf, "\251ART", "artist" , 0);
1910 mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0);
1911 mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0);
1912 mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0);
1913 mov_write_string_metadata(s, pb_buf, "\251day", "date" , 0);
1914 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder" , 0);
1915 mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0);
1916 mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0);
1917 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0);
1919 /* iTunes meta data */
1920 mov_write_meta_tag(pb_buf, mov, s);
1924 mov_write_chpl_tag(pb_buf, s);
1926 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
1927 avio_wb32(pb, size+8);
1928 ffio_wfourcc(pb, "udta");
1929 avio_write(pb, buf, size);
1936 static void mov_write_psp_udta_tag(AVIOContext *pb,
1937 const char *str, const char *lang, int type)
1939 int len = utf8len(str)+1;
1942 avio_wb16(pb, len*2+10); /* size */
1943 avio_wb32(pb, type); /* type */
1944 avio_wb16(pb, language_code(lang)); /* language */
1945 avio_wb16(pb, 0x01); /* ? */
1946 ascii_to_wc(pb, str);
1949 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
1951 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
1955 pos = avio_tell(pb);
1956 avio_wb32(pb, 0); /* size placeholder*/
1957 ffio_wfourcc(pb, "uuid");
1958 ffio_wfourcc(pb, "USMT");
1959 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
1960 avio_wb32(pb, 0xbb88695c);
1961 avio_wb32(pb, 0xfac9c740);
1963 pos2 = avio_tell(pb);
1964 avio_wb32(pb, 0); /* size placeholder*/
1965 ffio_wfourcc(pb, "MTDT");
1969 avio_wb16(pb, 0x0C); /* size */
1970 avio_wb32(pb, 0x0B); /* type */
1971 avio_wb16(pb, language_code("und")); /* language */
1972 avio_wb16(pb, 0x0); /* ? */
1973 avio_wb16(pb, 0x021C); /* data */
1975 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
1976 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
1977 // 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);
1978 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
1980 update_size(pb, pos2);
1981 return update_size(pb, pos);
1987 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
1991 int64_t pos = avio_tell(pb);
1992 avio_wb32(pb, 0); /* size placeholder*/
1993 ffio_wfourcc(pb, "moov");
1995 for (i=0; i<mov->nb_streams; i++) {
1996 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
1999 mov->tracks[i].time = mov->time;
2000 mov->tracks[i].track_id = i+1;
2003 if (mov->chapter_track)
2004 for (i=0; i<s->nb_streams; i++) {
2005 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
2006 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
2008 for (i = 0; i < mov->nb_streams; i++) {
2009 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
2010 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
2011 mov->tracks[i].tref_id =
2012 mov->tracks[mov->tracks[i].src_track].track_id;
2016 mov_write_mvhd_tag(pb, mov);
2017 if (mov->mode != MODE_MOV && !mov->iods_skip)
2018 mov_write_iods_tag(pb, mov);
2019 for (i=0; i<mov->nb_streams; i++) {
2020 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
2021 mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
2024 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
2025 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
2027 if (mov->mode == MODE_PSP)
2028 mov_write_uuidusmt_tag(pb, s);
2030 mov_write_udta_tag(pb, mov, s);
2032 return update_size(pb, pos);
2035 static void param_write_int(AVIOContext *pb, const char *name, int value)
2037 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
2040 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
2042 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
2045 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
2048 len = FFMIN(sizeof(buf)/2 - 1, len);
2049 ff_data_to_hex(buf, value, len, 0);
2051 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
2054 static void write_h264_extradata(AVIOContext *pb, AVCodecContext *enc)
2056 uint16_t sps_size, pps_size, len;
2058 sps_size = AV_RB16(&enc->extradata[6]);
2059 if (11 + sps_size > enc->extradata_size)
2061 pps_size = AV_RB16(&enc->extradata[9 + sps_size]);
2062 if (11 + sps_size + pps_size > enc->extradata_size)
2064 len = FFMIN(sizeof(buf)/2 - 1, sps_size);
2065 ff_data_to_hex(buf, &enc->extradata[8], len, 0);
2067 avio_printf(pb, "<param name=\"CodecPrivateData\" value=\"00000001%s", buf);
2068 len = FFMIN(sizeof(buf)/2 - 1, pps_size);
2069 ff_data_to_hex(buf, &enc->extradata[11 + sps_size], len, 0);
2071 avio_printf(pb, "00000001%s\" valuetype=\"data\"/>\n", buf);
2074 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov)
2076 int64_t pos = avio_tell(pb);
2078 const uint8_t uuid[] = {
2079 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
2080 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
2084 ffio_wfourcc(pb, "uuid");
2085 avio_write(pb, uuid, sizeof(uuid));
2088 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
2089 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
2090 avio_printf(pb, "<head>\n");
2091 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
2093 avio_printf(pb, "</head>\n");
2094 avio_printf(pb, "<body>\n");
2095 avio_printf(pb, "<switch>\n");
2096 for (i = 0; i < mov->nb_streams; i++) {
2097 MOVTrack *track = &mov->tracks[i];
2099 /* track->track_id is initialized in write_moov, and thus isn't known
2101 int track_id = i + 1;
2103 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2105 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
2110 avio_printf(pb, "<%s systemBitrate=\"%d\">\n", type,
2111 track->enc->bit_rate);
2112 param_write_int(pb, "systemBitrate", track->enc->bit_rate);
2113 param_write_int(pb, "trackID", track_id);
2114 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2115 if (track->enc->codec_id == CODEC_ID_H264 &&
2116 track->enc->extradata_size >= 11 &&
2117 track->enc->extradata[0] == 1) {
2118 write_h264_extradata(pb, track->enc);
2120 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2121 track->enc->extradata_size);
2123 if (track->enc->codec_id == CODEC_ID_H264) {
2124 param_write_string(pb, "FourCC", "H264");
2125 } else if (track->enc->codec_id == CODEC_ID_VC1) {
2126 param_write_string(pb, "FourCC", "WVC1");
2128 param_write_int(pb, "MaxWidth", track->enc->width);
2129 param_write_int(pb, "MaxHeight", track->enc->height);
2130 param_write_int(pb, "DisplayWidth", track->enc->width);
2131 param_write_int(pb, "DisplayHeight", track->enc->height);
2133 if (track->enc->codec_id == CODEC_ID_AAC) {
2134 param_write_string(pb, "FourCC", "AACL");
2135 } else if (track->enc->codec_id == CODEC_ID_WMAPRO) {
2136 param_write_string(pb, "FourCC", "WMAP");
2138 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2139 track->enc->extradata_size);
2140 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
2141 track->enc->codec_id));
2142 param_write_int(pb, "Channels", track->enc->channels);
2143 param_write_int(pb, "SamplingRate", track->enc->sample_rate);
2144 param_write_int(pb, "BitsPerSample", 16);
2145 param_write_int(pb, "PacketSize", track->enc->block_align ?
2146 track->enc->block_align : 4);
2148 avio_printf(pb, "</%s>\n", type);
2150 avio_printf(pb, "</switch>\n");
2151 avio_printf(pb, "</body>\n");
2152 avio_printf(pb, "</smil>\n");
2154 return update_size(pb, pos);
2157 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
2160 ffio_wfourcc(pb, "mfhd");
2162 avio_wb32(pb, mov->fragments);
2166 static int mov_write_tfhd_tag(AVIOContext *pb, MOVTrack *track,
2167 int64_t moof_offset)
2169 int64_t pos = avio_tell(pb);
2170 /* default-sample-size + default-sample-duration + base-data-offset */
2171 uint32_t flags = 0x19;
2172 if (!track->entry) {
2173 flags |= 0x010000; /* duration-is-empty */
2175 flags |= 0x20; /* default-sample-flags-present */
2178 /* Don't set a default sample size, the silverlight player refuses
2179 * to play files with that set. Don't set a default sample duration,
2180 * WMP freaks out if it is set. */
2181 if (track->mode == MODE_ISM)
2184 avio_wb32(pb, 0); /* size placeholder */
2185 ffio_wfourcc(pb, "tfhd");
2186 avio_w8(pb, 0); /* version */
2187 avio_wb24(pb, flags);
2189 avio_wb32(pb, track->track_id); /* track-id */
2191 avio_wb64(pb, moof_offset);
2193 track->default_duration = track->audio_vbr ? track->enc->frame_size : 1;
2194 avio_wb32(pb, track->default_duration);
2197 track->default_size = track->entry ? track->cluster[0].size : 1;
2198 avio_wb32(pb, track->default_size);
2200 track->default_size = -1;
2203 track->default_sample_flags =
2204 track->enc->codec_type == AVMEDIA_TYPE_VIDEO ?
2205 0x01010000 : 0x02000000;
2206 avio_wb32(pb, track->default_sample_flags);
2209 return update_size(pb, pos);
2212 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
2214 return entry->flags & MOV_SYNC_SAMPLE ? 0x02000000 : 0x01010000;
2217 static int mov_write_trun_tag(AVIOContext *pb, MOVTrack *track)
2219 int64_t pos = avio_tell(pb);
2220 uint32_t flags = 1; /* data-offset-present */
2223 for (i = 0; i < track->entry; i++) {
2224 int64_t duration = i + 1 == track->entry ?
2225 track->track_duration - track->cluster[i].dts + track->start_dts :
2226 track->cluster[i + 1].dts - track->cluster[i].dts;
2227 if (duration != track->default_duration)
2228 flags |= 0x100; /* sample-duration-present */
2229 if (track->cluster[i].size != track->default_size)
2230 flags |= 0x200; /* sample-size-present */
2231 if (i > 0 && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
2232 flags |= 0x400; /* sample-flags-present */
2234 if (!(flags & 0x400))
2235 flags |= 0x4; /* first-sample-flags-present */
2236 if (track->flags & MOV_TRACK_CTTS)
2237 flags |= 0x800; /* sample-composition-time-offsets-present */
2239 avio_wb32(pb, 0); /* size placeholder */
2240 ffio_wfourcc(pb, "trun");
2241 avio_w8(pb, 0); /* version */
2242 avio_wb24(pb, flags);
2244 avio_wb32(pb, track->entry); /* sample count */
2245 track->moof_size_offset = avio_tell(pb);
2246 avio_wb32(pb, 0); /* data offset */
2247 if (flags & 0x4) /* first sample flags */
2248 avio_wb32(pb, get_sample_flags(track, &track->cluster[0]));
2250 for (i = 0; i < track->entry; i++) {
2251 int64_t duration = i + 1 == track->entry ?
2252 track->track_duration - track->cluster[i].dts + track->start_dts :
2253 track->cluster[i + 1].dts - track->cluster[i].dts;
2255 avio_wb32(pb, duration);
2257 avio_wb32(pb, track->cluster[i].size);
2259 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
2261 avio_wb32(pb, track->cluster[i].cts);
2264 return update_size(pb, pos);
2267 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
2269 int64_t pos = avio_tell(pb);
2270 const uint8_t uuid[] = {
2271 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
2272 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
2275 avio_wb32(pb, 0); /* size placeholder */
2276 ffio_wfourcc(pb, "uuid");
2277 avio_write(pb, uuid, sizeof(uuid));
2280 avio_wb64(pb, track->frag_start);
2281 avio_wb64(pb, track->start_dts + track->track_duration -
2282 track->cluster[0].dts);
2284 return update_size(pb, pos);
2287 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
2288 MOVTrack *track, int entry)
2290 int n = track->nb_frag_info - 1 - entry, i;
2291 int size = 8 + 16 + 4 + 1 + 16*n;
2292 const uint8_t uuid[] = {
2293 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
2294 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
2300 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
2301 avio_wb32(pb, size);
2302 ffio_wfourcc(pb, "uuid");
2303 avio_write(pb, uuid, sizeof(uuid));
2307 for (i = 0; i < n; i++) {
2308 int index = entry + 1 + i;
2309 avio_wb64(pb, track->frag_info[index].time);
2310 avio_wb64(pb, track->frag_info[index].duration);
2312 if (n < mov->ism_lookahead) {
2313 int free_size = 16*(mov->ism_lookahead - n);
2314 avio_wb32(pb, free_size);
2315 ffio_wfourcc(pb, "free");
2316 for (i = 0; i < free_size - 8; i++)
2323 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
2326 int64_t pos = avio_tell(pb);
2328 for (i = 0; i < mov->ism_lookahead; i++) {
2329 /* Update the tfrf tag for the last ism_lookahead fragments,
2330 * nb_frag_info - 1 is the next fragment to be written. */
2331 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
2333 avio_seek(pb, pos, SEEK_SET);
2337 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
2338 MOVTrack *track, int64_t moof_offset)
2340 int64_t pos = avio_tell(pb);
2341 avio_wb32(pb, 0); /* size placeholder */
2342 ffio_wfourcc(pb, "traf");
2344 mov_write_tfhd_tag(pb, track, moof_offset);
2345 mov_write_trun_tag(pb, track);
2346 if (mov->mode == MODE_ISM) {
2347 mov_write_tfxd_tag(pb, track);
2349 if (mov->ism_lookahead) {
2350 int i, size = 16 + 4 + 1 + 16*mov->ism_lookahead;
2352 track->tfrf_offset = avio_tell(pb);
2353 avio_wb32(pb, 8 + size);
2354 ffio_wfourcc(pb, "free");
2355 for (i = 0; i < size; i++)
2360 return update_size(pb, pos);
2363 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
2365 int64_t pos = avio_tell(pb), end;
2368 avio_wb32(pb, 0); /* size placeholder */
2369 ffio_wfourcc(pb, "moof");
2371 mov_write_mfhd_tag(pb, mov);
2372 for (i = 0; i < mov->nb_streams; i++) {
2373 MOVTrack *track = &mov->tracks[i];
2374 if (tracks >= 0 && i != tracks)
2378 mov_write_traf_tag(pb, mov, track, pos);
2381 end = avio_tell(pb);
2382 moof_size = end - pos;
2383 for (i = 0; i < mov->nb_streams; i++) {
2384 MOVTrack *track = &mov->tracks[i];
2385 if (tracks >= 0 && i != tracks)
2389 avio_seek(pb, mov->tracks[i].moof_size_offset, SEEK_SET);
2390 avio_wb32(pb, moof_size + 8 + mov->tracks[i].data_offset);
2392 avio_seek(pb, end, SEEK_SET);
2394 return update_size(pb, pos);
2397 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
2399 int64_t pos = avio_tell(pb);
2402 avio_wb32(pb, 0); /* size placeholder */
2403 ffio_wfourcc(pb, "tfra");
2404 avio_w8(pb, 1); /* version */
2407 avio_wb32(pb, track->track_id);
2408 avio_wb32(pb, 0); /* length of traf/trun/sample num */
2409 avio_wb32(pb, track->nb_frag_info);
2410 for (i = 0; i < track->nb_frag_info; i++) {
2411 avio_wb64(pb, track->frag_info[i].time);
2412 avio_wb64(pb, track->frag_info[i].offset);
2413 avio_w8(pb, 1); /* traf number */
2414 avio_w8(pb, 1); /* trun number */
2415 avio_w8(pb, 1); /* sample number */
2418 return update_size(pb, pos);
2421 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
2423 int64_t pos = avio_tell(pb);
2426 avio_wb32(pb, 0); /* size placeholder */
2427 ffio_wfourcc(pb, "mfra");
2428 /* An empty mfra atom is enough to indicate to the publishing point that
2429 * the stream has ended. */
2430 if (mov->flags & FF_MOV_FLAG_ISML)
2431 return update_size(pb, pos);
2433 for (i = 0; i < mov->nb_streams; i++) {
2434 MOVTrack *track = &mov->tracks[i];
2435 if (track->nb_frag_info)
2436 mov_write_tfra_tag(pb, track);
2440 ffio_wfourcc(pb, "mfro");
2441 avio_wb32(pb, 0); /* version + flags */
2442 avio_wb32(pb, avio_tell(pb) + 4 - pos);
2444 return update_size(pb, pos);
2447 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
2449 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
2450 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
2452 mov->mdat_pos = avio_tell(pb);
2453 avio_wb32(pb, 0); /* size placeholder*/
2454 ffio_wfourcc(pb, "mdat");
2458 /* TODO: This needs to be more general */
2459 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
2461 MOVMuxContext *mov = s->priv_data;
2462 int64_t pos = avio_tell(pb);
2463 int has_h264 = 0, has_video = 0;
2467 for (i = 0; i < s->nb_streams; i++) {
2468 AVStream *st = s->streams[i];
2469 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2471 if (st->codec->codec_id == CODEC_ID_H264)
2475 avio_wb32(pb, 0); /* size */
2476 ffio_wfourcc(pb, "ftyp");
2478 if (mov->mode == MODE_3GP) {
2479 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
2480 minor = has_h264 ? 0x100 : 0x200;
2481 } else if (mov->mode & MODE_3G2) {
2482 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
2483 minor = has_h264 ? 0x20000 : 0x10000;
2484 }else if (mov->mode == MODE_PSP)
2485 ffio_wfourcc(pb, "MSNV");
2486 else if (mov->mode == MODE_MP4)
2487 ffio_wfourcc(pb, "isom");
2488 else if (mov->mode == MODE_IPOD)
2489 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
2490 else if (mov->mode == MODE_ISM)
2491 ffio_wfourcc(pb, "isml");
2493 ffio_wfourcc(pb, "qt ");
2495 avio_wb32(pb, minor);
2497 if(mov->mode == MODE_MOV)
2498 ffio_wfourcc(pb, "qt ");
2499 else if (mov->mode == MODE_ISM) {
2500 ffio_wfourcc(pb, "piff");
2501 ffio_wfourcc(pb, "iso2");
2503 ffio_wfourcc(pb, "isom");
2504 ffio_wfourcc(pb, "iso2");
2506 ffio_wfourcc(pb, "avc1");
2509 if (mov->mode == MODE_3GP)
2510 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
2511 else if (mov->mode & MODE_3G2)
2512 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
2513 else if (mov->mode == MODE_PSP)
2514 ffio_wfourcc(pb, "MSNV");
2515 else if (mov->mode == MODE_MP4)
2516 ffio_wfourcc(pb, "mp41");
2517 return update_size(pb, pos);
2520 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
2522 AVCodecContext *video_codec = s->streams[0]->codec;
2523 AVCodecContext *audio_codec = s->streams[1]->codec;
2524 int audio_rate = audio_codec->sample_rate;
2525 int frame_rate = ((video_codec->time_base.den) * (0x10000))/ (video_codec->time_base.num);
2526 int audio_kbitrate = audio_codec->bit_rate / 1000;
2527 int video_kbitrate = FFMIN(video_codec->bit_rate / 1000, 800 - audio_kbitrate);
2529 avio_wb32(pb, 0x94); /* size */
2530 ffio_wfourcc(pb, "uuid");
2531 ffio_wfourcc(pb, "PROF");
2533 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2534 avio_wb32(pb, 0xbb88695c);
2535 avio_wb32(pb, 0xfac9c740);
2537 avio_wb32(pb, 0x0); /* ? */
2538 avio_wb32(pb, 0x3); /* 3 sections ? */
2540 avio_wb32(pb, 0x14); /* size */
2541 ffio_wfourcc(pb, "FPRF");
2542 avio_wb32(pb, 0x0); /* ? */
2543 avio_wb32(pb, 0x0); /* ? */
2544 avio_wb32(pb, 0x0); /* ? */
2546 avio_wb32(pb, 0x2c); /* size */
2547 ffio_wfourcc(pb, "APRF");/* audio */
2549 avio_wb32(pb, 0x2); /* TrackID */
2550 ffio_wfourcc(pb, "mp4a");
2551 avio_wb32(pb, 0x20f);
2553 avio_wb32(pb, audio_kbitrate);
2554 avio_wb32(pb, audio_kbitrate);
2555 avio_wb32(pb, audio_rate);
2556 avio_wb32(pb, audio_codec->channels);
2558 avio_wb32(pb, 0x34); /* size */
2559 ffio_wfourcc(pb, "VPRF"); /* video */
2561 avio_wb32(pb, 0x1); /* TrackID */
2562 if (video_codec->codec_id == CODEC_ID_H264) {
2563 ffio_wfourcc(pb, "avc1");
2564 avio_wb16(pb, 0x014D);
2565 avio_wb16(pb, 0x0015);
2567 ffio_wfourcc(pb, "mp4v");
2568 avio_wb16(pb, 0x0000);
2569 avio_wb16(pb, 0x0103);
2572 avio_wb32(pb, video_kbitrate);
2573 avio_wb32(pb, video_kbitrate);
2574 avio_wb32(pb, frame_rate);
2575 avio_wb32(pb, frame_rate);
2576 avio_wb16(pb, video_codec->width);
2577 avio_wb16(pb, video_codec->height);
2578 avio_wb32(pb, 0x010001); /* ? */
2581 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
2584 int i, closed_gop = 0;
2586 for (i = 0; i < pkt->size - 4; i++) {
2587 c = (c<<8) + pkt->data[i];
2588 if (c == 0x1b8) { // gop
2589 closed_gop = pkt->data[i+4]>>6 & 0x01;
2590 } else if (c == 0x100) { // pic
2591 int temp_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
2592 if (!temp_ref || closed_gop) // I picture is not reordered
2593 *flags = MOV_SYNC_SAMPLE;
2595 *flags = MOV_PARTIAL_SYNC_SAMPLE;
2602 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk, int fragment)
2604 const uint8_t *start, *next, *end = pkt->data + pkt->size;
2605 int seq = 0, entry = 0;
2606 int key = pkt->flags & AV_PKT_FLAG_KEY;
2607 start = find_next_marker(pkt->data, end);
2608 for (next = start; next < end; start = next) {
2609 next = find_next_marker(start + 4, end);
2610 switch (AV_RB32(start)) {
2611 case VC1_CODE_SEQHDR:
2614 case VC1_CODE_ENTRYPOINT:
2617 case VC1_CODE_SLICE:
2618 trk->vc1_info.slices = 1;
2622 if (!trk->entry && !fragment) {
2623 /* First packet in first fragment */
2624 trk->vc1_info.first_packet_seq = seq;
2625 trk->vc1_info.first_packet_entry = entry;
2626 } else if ((seq && !trk->vc1_info.packet_seq) ||
2627 (entry && !trk->vc1_info.packet_entry)) {
2629 for (i = 0; i < trk->entry; i++)
2630 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
2631 trk->has_keyframes = 0;
2633 trk->vc1_info.packet_seq = 1;
2635 trk->vc1_info.packet_entry = 1;
2637 /* First fragment */
2638 if ((!seq || trk->vc1_info.first_packet_seq) &&
2639 (!entry || trk->vc1_info.first_packet_entry)) {
2640 /* First packet had the same headers as this one, readd the
2641 * sync sample flag. */
2642 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
2643 trk->has_keyframes = 1;
2647 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
2649 else if (trk->vc1_info.packet_seq)
2651 else if (trk->vc1_info.packet_entry)
2654 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
2655 trk->has_keyframes++;
2659 static int mov_flush_fragment(AVFormatContext *s)
2661 MOVMuxContext *mov = s->priv_data;
2662 int i, first_track = -1;
2663 int64_t mdat_size = 0;
2665 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
2668 if (!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV) && mov->fragments == 0) {
2669 int64_t pos = avio_tell(s->pb);
2671 for (i = 0; i < mov->nb_streams; i++)
2672 if (!mov->tracks[i].entry)
2674 /* Don't write the initial moov unless all tracks have data */
2675 if (i < mov->nb_streams)
2677 avio_seek(s->pb, mov->mdat_pos, SEEK_SET);
2678 avio_wb32(s->pb, mov->mdat_size + 8);
2679 avio_seek(s->pb, pos, SEEK_SET);
2680 mov_write_moov_tag(s->pb, mov, s);
2683 for (i = 0; i < mov->nb_streams; i++) {
2684 if (mov->tracks[i].entry)
2685 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
2686 mov->tracks[i].track_duration -
2687 mov->tracks[i].cluster[0].dts;
2688 mov->tracks[i].entry = 0;
2694 for (i = 0; i < mov->nb_streams; i++) {
2695 MOVTrack *track = &mov->tracks[i];
2696 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF)
2697 track->data_offset = 0;
2699 track->data_offset = mdat_size;
2700 if (!track->mdat_buf)
2702 mdat_size += avio_tell(track->mdat_buf);
2703 if (first_track < 0)
2710 for (i = 0; i < mov->nb_streams; i++) {
2711 MOVTrack *track = &mov->tracks[i];
2712 int buf_size, write_moof = 1, moof_tracks = -1;
2714 int64_t duration = 0;
2717 duration = track->start_dts + track->track_duration -
2718 track->cluster[0].dts;
2719 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
2720 if (!track->mdat_buf)
2722 mdat_size = avio_tell(track->mdat_buf);
2725 write_moof = i == first_track;
2729 MOVFragmentInfo *info;
2731 track->nb_frag_info++;
2732 track->frag_info = av_realloc(track->frag_info,
2733 sizeof(*track->frag_info) *
2734 track->nb_frag_info);
2735 info = &track->frag_info[track->nb_frag_info - 1];
2736 info->offset = avio_tell(s->pb);
2737 info->time = mov->tracks[i].frag_start;
2738 info->duration = duration;
2739 mov_write_tfrf_tags(s->pb, mov, track);
2741 mov_write_moof_tag(s->pb, mov, moof_tracks);
2742 info->tfrf_offset = track->tfrf_offset;
2745 avio_wb32(s->pb, mdat_size + 8);
2746 ffio_wfourcc(s->pb, "mdat");
2750 track->frag_start += duration;
2752 if (!track->mdat_buf)
2754 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
2755 track->mdat_buf = NULL;
2757 avio_write(s->pb, buf, buf_size);
2767 static int mov_write_packet_internal(AVFormatContext *s, AVPacket *pkt)
2769 MOVMuxContext *mov = s->priv_data;
2770 AVIOContext *pb = s->pb;
2771 MOVTrack *trk = &mov->tracks[pkt->stream_index];
2772 AVCodecContext *enc = trk->enc;
2773 unsigned int samples_in_chunk = 0;
2774 int size= pkt->size;
2775 uint8_t *reformatted_data = NULL;
2777 if (!s->pb->seekable && !(mov->flags & FF_MOV_FLAG_EMPTY_MOOV))
2778 return 0; /* Can't handle that */
2780 if (!size) return 0; /* Discard 0 sized packets */
2782 if ((mov->max_fragment_duration && trk->entry &&
2783 av_rescale_q(pkt->dts - trk->cluster[0].dts,
2784 s->streams[pkt->stream_index]->time_base,
2785 AV_TIME_BASE_Q) >= mov->max_fragment_duration) ||
2786 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
2787 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
2788 enc->codec_type == AVMEDIA_TYPE_VIDEO &&
2789 trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) {
2790 mov_flush_fragment(s);
2793 if (mov->flags & FF_MOV_FLAG_FRAGMENT && mov->fragments > 0) {
2794 if (!trk->mdat_buf) {
2796 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
2802 if (enc->codec_id == CODEC_ID_AMR_NB) {
2803 /* We must find out how many AMR blocks there are in one packet */
2804 static uint16_t packed_size[16] =
2805 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
2808 while (len < size && samples_in_chunk < 100) {
2809 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
2812 if (samples_in_chunk > 1) {
2813 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
2816 } else if (trk->sample_size)
2817 samples_in_chunk = size / trk->sample_size;
2819 samples_in_chunk = 1;
2821 /* copy extradata if it exists */
2822 if (trk->vos_len == 0 && enc->extradata_size > 0) {
2823 trk->vos_len = enc->extradata_size;
2824 trk->vos_data = av_malloc(trk->vos_len);
2825 memcpy(trk->vos_data, enc->extradata, trk->vos_len);
2828 if (enc->codec_id == CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1) {
2829 /* from x264 or from bytestream h264 */
2830 /* nal reformating needed */
2831 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
2832 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
2834 avio_write(pb, reformatted_data, size);
2836 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
2839 avio_write(pb, pkt->data, size);
2842 if ((enc->codec_id == CODEC_ID_DNXHD ||
2843 enc->codec_id == CODEC_ID_AC3) && !trk->vos_len) {
2844 /* copy frame to create needed atoms */
2845 trk->vos_len = size;
2846 trk->vos_data = av_malloc(size);
2848 return AVERROR(ENOMEM);
2849 memcpy(trk->vos_data, pkt->data, size);
2852 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
2853 trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster));
2858 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
2859 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
2860 trk->cluster[trk->entry].size = size;
2861 trk->cluster[trk->entry].entries = samples_in_chunk;
2862 trk->cluster[trk->entry].dts = pkt->dts;
2863 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
2864 /* First packet of a new fragment. We already wrote the duration
2865 * of the last packet of the previous fragment based on track_duration,
2866 * which might not exactly match our dts. Therefore adjust the dts
2867 * of this packet to be what the previous packets duration implies. */
2868 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
2870 if (trk->start_dts == AV_NOPTS_VALUE)
2871 trk->start_dts = pkt->dts;
2872 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
2874 if (pkt->pts == AV_NOPTS_VALUE) {
2875 av_log(s, AV_LOG_WARNING, "pts has no value\n");
2876 pkt->pts = pkt->dts;
2878 if (pkt->dts != pkt->pts)
2879 trk->flags |= MOV_TRACK_CTTS;
2880 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
2881 trk->cluster[trk->entry].flags = 0;
2882 if (enc->codec_id == CODEC_ID_VC1) {
2883 mov_parse_vc1_frame(pkt, trk, mov->fragments);
2884 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
2885 if (mov->mode == MODE_MOV && enc->codec_id == CODEC_ID_MPEG2VIDEO &&
2886 trk->entry > 0) { // force sync sample for the first key frame
2887 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
2888 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
2889 trk->flags |= MOV_TRACK_STPS;
2891 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
2893 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
2894 trk->has_keyframes++;
2897 trk->sample_count += samples_in_chunk;
2898 mov->mdat_size += size;
2902 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
2903 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
2904 reformatted_data, size);
2905 av_free(reformatted_data);
2909 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
2912 mov_flush_fragment(s);
2915 return mov_write_packet_internal(s, pkt);
2919 // QuickTime chapters involve an additional text track with the chapter names
2920 // as samples, and a tref pointing from the other tracks to the chapter one.
2921 static void mov_create_chapter_track(AVFormatContext *s, int tracknum)
2923 MOVMuxContext *mov = s->priv_data;
2924 MOVTrack *track = &mov->tracks[tracknum];
2925 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
2928 track->mode = mov->mode;
2929 track->tag = MKTAG('t','e','x','t');
2930 track->timescale = MOV_TIMESCALE;
2931 track->enc = avcodec_alloc_context3(NULL);
2932 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
2934 for (i = 0; i < s->nb_chapters; i++) {
2935 AVChapter *c = s->chapters[i];
2936 AVDictionaryEntry *t;
2938 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
2939 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
2940 pkt.duration = end - pkt.dts;
2942 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
2943 len = strlen(t->value);
2945 pkt.data = av_malloc(pkt.size);
2946 AV_WB16(pkt.data, len);
2947 memcpy(pkt.data+2, t->value, len);
2948 ff_mov_write_packet(s, &pkt);
2949 av_freep(&pkt.data);
2954 static int mov_write_header(AVFormatContext *s)
2956 AVIOContext *pb = s->pb;
2957 MOVMuxContext *mov = s->priv_data;
2958 AVDictionaryEntry *t;
2959 int i, hint_track = 0;
2961 /* Non-seekable output is ok if EMPTY_MOOV is set, or if using the ismv
2962 * format (which sets EMPTY_MOOV later in this function). If ism_lookahead
2963 * is enabled, we don't support non-seekable output at all. */
2964 if (!s->pb->seekable &&
2965 ((!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV) &&
2966 !(s->oformat && !strcmp(s->oformat->name, "ismv")))
2967 || mov->ism_lookahead)) {
2968 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
2972 /* Default mode == MP4 */
2973 mov->mode = MODE_MP4;
2975 if (s->oformat != NULL) {
2976 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
2977 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
2978 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
2979 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
2980 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
2981 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
2983 mov_write_ftyp_tag(pb,s);
2984 if (mov->mode == MODE_PSP) {
2985 if (s->nb_streams != 2) {
2986 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
2989 mov_write_uuidprof_tag(pb,s);
2993 mov->nb_streams = s->nb_streams;
2994 if (mov->mode & (MODE_MOV|MODE_IPOD) && s->nb_chapters)
2995 mov->chapter_track = mov->nb_streams++;
2997 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
2998 /* Add hint tracks for each audio and video stream */
2999 hint_track = mov->nb_streams;
3000 for (i = 0; i < s->nb_streams; i++) {
3001 AVStream *st = s->streams[i];
3002 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3003 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3009 mov->tracks = av_mallocz(mov->nb_streams*sizeof(*mov->tracks));
3011 return AVERROR(ENOMEM);
3013 for(i=0; i<s->nb_streams; i++){
3014 AVStream *st= s->streams[i];
3015 MOVTrack *track= &mov->tracks[i];
3016 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
3018 track->enc = st->codec;
3019 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
3020 if (track->language < 0)
3021 track->language = 0;
3022 track->mode = mov->mode;
3023 track->tag = mov_find_codec_tag(s, track);
3025 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
3026 "codec not currently supported in container\n", i);
3029 /* If hinting of this track is enabled by a later hint track,
3030 * this is updated. */
3031 track->hint_track = -1;
3032 track->start_dts = AV_NOPTS_VALUE;
3033 if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
3034 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
3035 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
3036 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
3037 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
3038 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
3041 track->height = track->tag>>24 == 'n' ? 486 : 576;
3043 track->timescale = st->codec->time_base.den;
3044 if (track->mode == MODE_MOV && track->timescale > 100000)
3045 av_log(s, AV_LOG_WARNING,
3046 "WARNING codec timebase is very high. If duration is too long,\n"
3047 "file may not be playable by quicktime. Specify a shorter timebase\n"
3048 "or choose different container.\n");
3049 }else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
3050 track->timescale = st->codec->sample_rate;
3051 /* set sample_size for PCM and ADPCM */
3052 if (av_get_bits_per_sample(st->codec->codec_id)) {
3053 if (!st->codec->block_align) {
3054 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set\n", i);
3057 track->sample_size = st->codec->block_align;
3059 /* set audio_vbr for compressed audio */
3060 if (av_get_bits_per_sample(st->codec->codec_id) < 8) {
3061 if (!st->codec->frame_size && track->mode == MODE_MOV) {
3062 av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
3065 track->audio_vbr = 1;
3067 if (track->mode != MODE_MOV) {
3068 if (track->timescale > UINT16_MAX) {
3069 av_log(s, AV_LOG_ERROR, "track %d: output format does not support "
3070 "sample rate %dhz\n", i, track->timescale);
3073 if (track->enc->codec_id == CODEC_ID_MP3 && track->timescale < 16000) {
3074 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
3075 i, track->enc->sample_rate);
3079 }else if(st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE){
3080 track->timescale = st->codec->time_base.den;
3083 track->height = st->codec->height;
3084 /* The ism specific timescale isn't mandatory, but is assumed by
3085 * some tools, such as mp4split. */
3086 if (mov->mode == MODE_ISM)
3087 track->timescale = 10000000;
3089 avpriv_set_pts_info(st, 64, 1, track->timescale);
3091 /* copy extradata if it exists */
3092 if (st->codec->extradata_size) {
3093 track->vos_len = st->codec->extradata_size;
3094 track->vos_data = av_malloc(track->vos_len);
3095 memcpy(track->vos_data, st->codec->extradata, track->vos_len);
3099 if (mov->mode == MODE_ISM) {
3100 /* If no fragmentation options have been set, set a default. */
3101 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
3102 FF_MOV_FLAG_FRAG_CUSTOM)) &&
3103 !mov->max_fragment_duration && !mov->max_fragment_size)
3104 mov->max_fragment_duration = 5000000;
3105 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF;
3108 /* Set the FRAGMENT flag if any of the fragmentation methods are
3110 if (mov->max_fragment_duration || mov->max_fragment_size ||
3111 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
3112 FF_MOV_FLAG_FRAG_KEYFRAME |
3113 FF_MOV_FLAG_FRAG_CUSTOM))
3114 mov->flags |= FF_MOV_FLAG_FRAGMENT;
3116 if (!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV))
3117 mov_write_mdat_tag(pb, mov);
3119 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
3120 mov->time = ff_iso8601_to_unix_time(t->value);
3122 mov->time += 0x7C25B080; // 1970 based -> 1904 based
3124 if (mov->chapter_track)
3125 mov_create_chapter_track(s, mov->chapter_track);
3127 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3128 /* Initialize the hint tracks for each audio and video stream */
3129 for (i = 0; i < s->nb_streams; i++) {
3130 AVStream *st = s->streams[i];
3131 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3132 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3133 ff_mov_init_hinting(s, hint_track, i);
3141 if (mov->flags & FF_MOV_FLAG_ISML)
3142 mov_write_isml_manifest(pb, mov);
3144 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3145 mov_write_moov_tag(pb, mov, s);
3151 av_freep(&mov->tracks);
3155 static int mov_write_trailer(AVFormatContext *s)
3157 MOVMuxContext *mov = s->priv_data;
3158 AVIOContext *pb = s->pb;
3162 int64_t moov_pos = avio_tell(pb);
3164 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
3165 /* Write size of mdat tag */
3166 if (mov->mdat_size + 8 <= UINT32_MAX) {
3167 avio_seek(pb, mov->mdat_pos, SEEK_SET);
3168 avio_wb32(pb, mov->mdat_size + 8);
3170 /* overwrite 'wide' placeholder atom */
3171 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
3172 /* special value: real atom size will be 64 bit value after
3175 ffio_wfourcc(pb, "mdat");
3176 avio_wb64(pb, mov->mdat_size + 16);
3178 avio_seek(pb, moov_pos, SEEK_SET);
3180 mov_write_moov_tag(pb, mov, s);
3182 mov_flush_fragment(s);
3183 mov_write_mfra_tag(pb, mov);
3186 if (mov->chapter_track)
3187 av_freep(&mov->tracks[mov->chapter_track].enc);
3189 for (i=0; i<mov->nb_streams; i++) {
3190 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
3191 ff_mov_close_hinting(&mov->tracks[i]);
3192 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
3193 mov->tracks[i].vc1_info.struct_offset && s->pb->seekable) {
3194 int64_t off = avio_tell(pb);
3196 if (mov_write_dvc1_structs(&mov->tracks[i], buf) >= 0) {
3197 avio_seek(pb, mov->tracks[i].vc1_info.struct_offset, SEEK_SET);
3198 avio_write(pb, buf, 7);
3199 avio_seek(pb, off, SEEK_SET);
3202 av_freep(&mov->tracks[i].cluster);
3203 av_freep(&mov->tracks[i].frag_info);
3205 if (mov->tracks[i].vos_len)
3206 av_free(mov->tracks[i].vos_data);
3212 av_freep(&mov->tracks);
3217 #if CONFIG_MOV_MUXER
3219 AVOutputFormat ff_mov_muxer = {
3221 .long_name = NULL_IF_CONFIG_SMALL("MOV format"),
3222 .extensions = "mov",
3223 .priv_data_size = sizeof(MOVMuxContext),
3224 .audio_codec = CODEC_ID_AAC,
3225 #if CONFIG_LIBX264_ENCODER
3226 .video_codec = CODEC_ID_H264,
3228 .video_codec = CODEC_ID_MPEG4,
3230 .write_header = mov_write_header,
3231 .write_packet = ff_mov_write_packet,
3232 .write_trailer = mov_write_trailer,
3233 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3234 .codec_tag = (const AVCodecTag* const []){ff_codec_movvideo_tags, ff_codec_movaudio_tags, 0},
3235 .priv_class = &mov_muxer_class,
3238 #if CONFIG_TGP_MUXER
3240 AVOutputFormat ff_tgp_muxer = {
3242 .long_name = NULL_IF_CONFIG_SMALL("3GP format"),
3243 .extensions = "3gp",
3244 .priv_data_size = sizeof(MOVMuxContext),
3245 .audio_codec = CODEC_ID_AMR_NB,
3246 .video_codec = CODEC_ID_H263,
3247 .write_header = mov_write_header,
3248 .write_packet = ff_mov_write_packet,
3249 .write_trailer = mov_write_trailer,
3250 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3251 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
3252 .priv_class = &tgp_muxer_class,
3255 #if CONFIG_MP4_MUXER
3257 AVOutputFormat ff_mp4_muxer = {
3259 .long_name = NULL_IF_CONFIG_SMALL("MP4 format"),
3260 .mime_type = "application/mp4",
3261 .extensions = "mp4",
3262 .priv_data_size = sizeof(MOVMuxContext),
3263 .audio_codec = CODEC_ID_AAC,
3264 #if CONFIG_LIBX264_ENCODER
3265 .video_codec = CODEC_ID_H264,
3267 .video_codec = CODEC_ID_MPEG4,
3269 .write_header = mov_write_header,
3270 .write_packet = ff_mov_write_packet,
3271 .write_trailer = mov_write_trailer,
3272 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3273 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
3274 .priv_class = &mp4_muxer_class,
3277 #if CONFIG_PSP_MUXER
3279 AVOutputFormat ff_psp_muxer = {
3281 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 format"),
3282 .extensions = "mp4,psp",
3283 .priv_data_size = sizeof(MOVMuxContext),
3284 .audio_codec = CODEC_ID_AAC,
3285 #if CONFIG_LIBX264_ENCODER
3286 .video_codec = CODEC_ID_H264,
3288 .video_codec = CODEC_ID_MPEG4,
3290 .write_header = mov_write_header,
3291 .write_packet = ff_mov_write_packet,
3292 .write_trailer = mov_write_trailer,
3293 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3294 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
3295 .priv_class = &psp_muxer_class,
3298 #if CONFIG_TG2_MUXER
3300 AVOutputFormat ff_tg2_muxer = {
3302 .long_name = NULL_IF_CONFIG_SMALL("3GP2 format"),
3303 .extensions = "3g2",
3304 .priv_data_size = sizeof(MOVMuxContext),
3305 .audio_codec = CODEC_ID_AMR_NB,
3306 .video_codec = CODEC_ID_H263,
3307 .write_header = mov_write_header,
3308 .write_packet = ff_mov_write_packet,
3309 .write_trailer = mov_write_trailer,
3310 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3311 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
3312 .priv_class = &tg2_muxer_class,
3315 #if CONFIG_IPOD_MUXER
3317 AVOutputFormat ff_ipod_muxer = {
3319 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"),
3320 .mime_type = "application/mp4",
3321 .extensions = "m4v,m4a",
3322 .priv_data_size = sizeof(MOVMuxContext),
3323 .audio_codec = CODEC_ID_AAC,
3324 .video_codec = CODEC_ID_H264,
3325 .write_header = mov_write_header,
3326 .write_packet = ff_mov_write_packet,
3327 .write_trailer = mov_write_trailer,
3328 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3329 .codec_tag = (const AVCodecTag* const []){codec_ipod_tags, 0},
3330 .priv_class = &ipod_muxer_class,
3333 #if CONFIG_ISMV_MUXER
3335 AVOutputFormat ff_ismv_muxer = {
3337 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming) format"),
3338 .mime_type = "application/mp4",
3339 .extensions = "ismv,isma",
3340 .priv_data_size = sizeof(MOVMuxContext),
3341 .audio_codec = CODEC_ID_AAC,
3342 .video_codec = CODEC_ID_H264,
3343 .write_header = mov_write_header,
3344 .write_packet = ff_mov_write_packet,
3345 .write_trailer = mov_write_trailer,
3346 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3347 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
3348 .priv_class = &ismv_muxer_class,