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 FFmpeg.
9 * FFmpeg 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 * FFmpeg 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 FFmpeg; 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 { "moov_size", "maximum moov size so it can be placed at the begin", offsetof(MOVMuxContext, reserved_moov_size), AV_OPT_TYPE_INT, {.dbl = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, 0 },
50 { "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" },
51 { "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" },
52 { "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" },
53 { "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" },
54 { "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" },
55 FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
56 { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_INT, {.dbl = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
57 { "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},
58 { "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},
59 { "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.dbl = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
60 { "frag_size", "Maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.dbl = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
61 { "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},
65 #define MOV_CLASS(flavor)\
66 static const AVClass flavor ## _muxer_class = {\
67 .class_name = #flavor " muxer",\
68 .item_name = av_default_item_name,\
70 .version = LIBAVUTIL_VERSION_INT,\
73 //FIXME support 64 bit variant with wide placeholders
74 static int64_t update_size(AVIOContext *pb, int64_t pos)
76 int64_t curpos = avio_tell(pb);
77 avio_seek(pb, pos, SEEK_SET);
78 avio_wb32(pb, curpos - pos); /* rewrite size */
79 avio_seek(pb, curpos, SEEK_SET);
84 /* Chunk offset atom */
85 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
88 int mode64 = 0; // use 32 bit size variant if possible
89 int64_t pos = avio_tell(pb);
90 avio_wb32(pb, 0); /* size */
91 if (pos > UINT32_MAX) {
93 ffio_wfourcc(pb, "co64");
95 ffio_wfourcc(pb, "stco");
96 avio_wb32(pb, 0); /* version & flags */
97 avio_wb32(pb, track->chunkCount); /* entry count */
98 for (i=0; i<track->entry; i++) {
99 if(!track->cluster[i].chunkNum)
102 avio_wb64(pb, track->cluster[i].pos);
104 avio_wb32(pb, track->cluster[i].pos);
106 return update_size(pb, pos);
109 /* Sample size atom */
110 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
113 int i, j, entries = 0, tst = -1, oldtst = -1;
115 int64_t pos = avio_tell(pb);
116 avio_wb32(pb, 0); /* size */
117 ffio_wfourcc(pb, "stsz");
118 avio_wb32(pb, 0); /* version & flags */
120 for (i=0; i<track->entry; i++) {
121 tst = track->cluster[i].size/track->cluster[i].entries;
122 if(oldtst != -1 && tst != oldtst) {
126 entries += track->cluster[i].entries;
128 if (equalChunks && track->entry) {
129 int sSize = track->entry ? track->cluster[0].size/track->cluster[0].entries : 0;
130 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
131 avio_wb32(pb, sSize); // sample size
132 avio_wb32(pb, entries); // sample count
135 avio_wb32(pb, 0); // sample size
136 avio_wb32(pb, entries); // sample count
137 for (i=0; i<track->entry; i++) {
138 for (j=0; j<track->cluster[i].entries; j++) {
139 avio_wb32(pb, track->cluster[i].size /
140 track->cluster[i].entries);
144 return update_size(pb, pos);
147 /* Sample to chunk atom */
148 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
150 int index = 0, oldval = -1, i;
151 int64_t entryPos, curpos;
153 int64_t pos = avio_tell(pb);
154 avio_wb32(pb, 0); /* size */
155 ffio_wfourcc(pb, "stsc");
156 avio_wb32(pb, 0); // version & flags
157 entryPos = avio_tell(pb);
158 avio_wb32(pb, track->chunkCount); // entry count
159 for (i=0; i<track->entry; i++) {
160 if (oldval != track->cluster[i].samples_in_chunk && track->cluster[i].chunkNum)
162 avio_wb32(pb, track->cluster[i].chunkNum); // first chunk
163 avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
164 avio_wb32(pb, 0x1); // sample description index
165 oldval = track->cluster[i].samples_in_chunk;
169 curpos = avio_tell(pb);
170 avio_seek(pb, entryPos, SEEK_SET);
171 avio_wb32(pb, index); // rewrite size
172 avio_seek(pb, curpos, SEEK_SET);
174 return update_size(pb, pos);
177 /* Sync sample atom */
178 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
180 int64_t curpos, entryPos;
182 int64_t pos = avio_tell(pb);
183 avio_wb32(pb, 0); // size
184 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
185 avio_wb32(pb, 0); // version & flags
186 entryPos = avio_tell(pb);
187 avio_wb32(pb, track->entry); // entry count
188 for (i=0; i<track->entry; i++) {
189 if (track->cluster[i].flags & flag) {
194 curpos = avio_tell(pb);
195 avio_seek(pb, entryPos, SEEK_SET);
196 avio_wb32(pb, index); // rewrite size
197 avio_seek(pb, curpos, SEEK_SET);
198 return update_size(pb, pos);
201 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
203 avio_wb32(pb, 0x11); /* size */
204 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
205 else ffio_wfourcc(pb, "damr");
206 ffio_wfourcc(pb, "FFMP");
207 avio_w8(pb, 0); /* decoder version */
209 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
210 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
211 avio_w8(pb, 0x01); /* Frames per sample */
215 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
220 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
222 if (track->vos_len < 7)
226 ffio_wfourcc(pb, "dac3");
228 init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
229 fscod = get_bits(&gbc, 2);
230 frmsizecod = get_bits(&gbc, 6);
231 bsid = get_bits(&gbc, 5);
232 bsmod = get_bits(&gbc, 3);
233 acmod = get_bits(&gbc, 3);
235 skip_bits(&gbc, 2); // dsurmod
237 if ((acmod & 1) && acmod != 1)
238 skip_bits(&gbc, 2); // cmixlev
240 skip_bits(&gbc, 2); // surmixlev
242 lfeon = get_bits1(&gbc);
244 init_put_bits(&pbc, buf, sizeof(buf));
245 put_bits(&pbc, 2, fscod);
246 put_bits(&pbc, 5, bsid);
247 put_bits(&pbc, 3, bsmod);
248 put_bits(&pbc, 3, acmod);
249 put_bits(&pbc, 1, lfeon);
250 put_bits(&pbc, 5, frmsizecod>>1); // bit_rate_code
251 put_bits(&pbc, 5, 0); // reserved
253 flush_put_bits(&pbc);
254 avio_write(pb, buf, sizeof(buf));
260 * This function writes extradata "as is".
261 * Extradata must be formatted like a valid atom (with size and tag).
263 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
265 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
266 return track->enc->extradata_size;
269 static int mov_write_enda_tag(AVIOContext *pb)
272 ffio_wfourcc(pb, "enda");
273 avio_wb16(pb, 1); /* little endian */
277 static void put_descr(AVIOContext *pb, int tag, unsigned int size)
282 avio_w8(pb, (size>>(7*i)) | 0x80);
283 avio_w8(pb, size & 0x7F);
286 static unsigned compute_avg_bitrate(MOVTrack *track)
290 if (!track->track_duration)
292 for (i = 0; i < track->entry; i++)
293 size += track->cluster[i].size;
294 return size * 8 * track->timescale / track->track_duration;
297 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
299 int64_t pos = avio_tell(pb);
300 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
301 unsigned avg_bitrate;
303 avio_wb32(pb, 0); // size
304 ffio_wfourcc(pb, "esds");
305 avio_wb32(pb, 0); // Version
308 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
309 avio_wb16(pb, track->track_id);
310 avio_w8(pb, 0x00); // flags (= no flags)
312 // DecoderConfig descriptor
313 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
315 // Object type indication
316 if ((track->enc->codec_id == CODEC_ID_MP2 ||
317 track->enc->codec_id == CODEC_ID_MP3) &&
318 track->enc->sample_rate > 24000)
319 avio_w8(pb, 0x6B); // 11172-3
321 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
323 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
324 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
325 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
326 avio_w8(pb, 0x15); // flags (= Audiostream)
328 avio_w8(pb, 0x11); // flags (= Visualstream)
330 avio_w8(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits)
331 avio_wb16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB
333 avg_bitrate = compute_avg_bitrate(track);
334 // maxbitrate (FIXME should be max rate in any 1 sec window)
335 avio_wb32(pb, FFMAX3(track->enc->bit_rate, track->enc->rc_max_rate, avg_bitrate));
336 avio_wb32(pb, avg_bitrate);
338 if (track->vos_len) {
339 // DecoderSpecific info descriptor
340 put_descr(pb, 0x05, track->vos_len);
341 avio_write(pb, track->vos_data, track->vos_len);
345 put_descr(pb, 0x06, 1);
347 return update_size(pb, pos);
350 static int mov_pcm_le_gt16(enum CodecID codec_id)
352 return codec_id == CODEC_ID_PCM_S24LE ||
353 codec_id == CODEC_ID_PCM_S32LE ||
354 codec_id == CODEC_ID_PCM_F32LE ||
355 codec_id == CODEC_ID_PCM_F64LE;
358 static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
360 int64_t pos = avio_tell(pb);
362 avio_wl32(pb, track->tag); // store it byteswapped
363 track->enc->codec_tag = av_bswap16(track->tag >> 16);
364 ff_put_wav_header(pb, track->enc);
365 return update_size(pb, pos);
368 static int mov_write_wfex_tag(AVIOContext *pb, MOVTrack *track)
370 int64_t pos = avio_tell(pb);
372 ffio_wfourcc(pb, "wfex");
373 ff_put_wav_header(pb, track->enc);
374 return update_size(pb, pos);
377 static int mov_write_chan_tag(AVIOContext *pb, MOVTrack *track)
379 uint32_t layout_tag, bitmap;
380 int64_t pos = avio_tell(pb);
382 layout_tag = ff_mov_get_channel_layout_tag(track->enc->codec_id,
383 track->enc->channel_layout,
386 av_log(track->enc, AV_LOG_WARNING, "not writing 'chan' tag due to "
387 "lack of channel information\n");
391 avio_wb32(pb, 0); // Size
392 ffio_wfourcc(pb, "chan"); // Type
393 avio_w8(pb, 0); // Version
394 avio_wb24(pb, 0); // Flags
395 avio_wb32(pb, layout_tag); // mChannelLayoutTag
396 avio_wb32(pb, bitmap); // mChannelBitmap
397 avio_wb32(pb, 0); // mNumberChannelDescriptions
399 return update_size(pb, pos);
402 static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
404 int64_t pos = avio_tell(pb);
406 avio_wb32(pb, 0); /* size */
407 ffio_wfourcc(pb, "wave");
409 avio_wb32(pb, 12); /* size */
410 ffio_wfourcc(pb, "frma");
411 avio_wl32(pb, track->tag);
413 if (track->enc->codec_id == CODEC_ID_AAC) {
414 /* useless atom needed by mplayer, ipod, not needed by quicktime */
415 avio_wb32(pb, 12); /* size */
416 ffio_wfourcc(pb, "mp4a");
418 mov_write_esds_tag(pb, track);
419 } else if (mov_pcm_le_gt16(track->enc->codec_id)) {
420 mov_write_enda_tag(pb);
421 } else if (track->enc->codec_id == CODEC_ID_AMR_NB) {
422 mov_write_amr_tag(pb, track);
423 } else if (track->enc->codec_id == CODEC_ID_AC3) {
424 mov_write_chan_tag(pb, track);
425 mov_write_ac3_tag(pb, track);
426 } else if (track->enc->codec_id == CODEC_ID_ALAC) {
427 mov_write_extradata_tag(pb, track);
428 } else if (track->enc->codec_id == CODEC_ID_ADPCM_MS ||
429 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
430 mov_write_ms_tag(pb, track);
433 avio_wb32(pb, 8); /* size */
434 avio_wb32(pb, 0); /* null tag */
436 return update_size(pb, pos);
439 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
442 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
443 int unescaped_size, seq_found = 0;
444 int level = 0, interlace = 0;
445 int packet_seq = track->vc1_info.packet_seq;
446 int packet_entry = track->vc1_info.packet_entry;
447 int slices = track->vc1_info.slices;
450 if (track->start_dts == AV_NOPTS_VALUE) {
451 /* No packets written yet, vc1_info isn't authoritative yet. */
452 /* Assume inline sequence and entry headers. This will be
453 * overwritten at the end if the file is seekable. */
454 packet_seq = packet_entry = 1;
457 unescaped = av_mallocz(track->vos_len + FF_INPUT_BUFFER_PADDING_SIZE);
459 return AVERROR(ENOMEM);
460 start = find_next_marker(track->vos_data, end);
461 for (next = start; next < end; start = next) {
464 next = find_next_marker(start + 4, end);
465 size = next - start - 4;
468 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
469 init_get_bits(&gb, unescaped, 8 * unescaped_size);
470 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
471 int profile = get_bits(&gb, 2);
472 if (profile != PROFILE_ADVANCED) {
474 return AVERROR(ENOSYS);
477 level = get_bits(&gb, 3);
478 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
480 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
481 skip_bits(&gb, 1); /* broadcast */
482 interlace = get_bits1(&gb);
483 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
488 return AVERROR(ENOSYS);
491 init_put_bits(&pbc, buf, 7);
492 /* VC1DecSpecStruc */
493 put_bits(&pbc, 4, 12); /* profile - advanced */
494 put_bits(&pbc, 3, level);
495 put_bits(&pbc, 1, 0); /* reserved */
496 /* VC1AdvDecSpecStruc */
497 put_bits(&pbc, 3, level);
498 put_bits(&pbc, 1, 0); /* cbr */
499 put_bits(&pbc, 6, 0); /* reserved */
500 put_bits(&pbc, 1, !interlace); /* no interlace */
501 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
502 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
503 put_bits(&pbc, 1, !slices); /* no slice code */
504 put_bits(&pbc, 1, 0); /* no bframe */
505 put_bits(&pbc, 1, 0); /* reserved */
506 put_bits32(&pbc, track->enc->time_base.den); /* framerate */
507 flush_put_bits(&pbc);
514 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
516 uint8_t buf[7] = { 0 };
519 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
522 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
523 ffio_wfourcc(pb, "dvc1");
524 track->vc1_info.struct_offset = avio_tell(pb);
525 avio_write(pb, buf, sizeof(buf));
526 avio_write(pb, track->vos_data, track->vos_len);
531 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
533 avio_wb32(pb, track->vos_len + 8);
534 ffio_wfourcc(pb, "glbl");
535 avio_write(pb, track->vos_data, track->vos_len);
536 return 8 + track->vos_len;
540 * Compute flags for 'lpcm' tag.
541 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
543 static int mov_get_lpcm_flags(enum CodecID codec_id)
546 case CODEC_ID_PCM_F32BE:
547 case CODEC_ID_PCM_F64BE:
549 case CODEC_ID_PCM_F32LE:
550 case CODEC_ID_PCM_F64LE:
552 case CODEC_ID_PCM_U8:
554 case CODEC_ID_PCM_S16BE:
555 case CODEC_ID_PCM_S24BE:
556 case CODEC_ID_PCM_S32BE:
558 case CODEC_ID_PCM_S8:
559 case CODEC_ID_PCM_S16LE:
560 case CODEC_ID_PCM_S24LE:
561 case CODEC_ID_PCM_S32LE:
568 static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
570 int64_t pos = avio_tell(pb);
572 uint32_t tag = track->tag;
574 if (track->mode == MODE_MOV) {
575 if (track->timescale > UINT16_MAX) {
576 if (mov_get_lpcm_flags(track->enc->codec_id))
577 tag = AV_RL32("lpcm");
579 } else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id) ||
580 track->enc->codec_id == CODEC_ID_ADPCM_MS ||
581 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
586 avio_wb32(pb, 0); /* size */
587 avio_wl32(pb, tag); // store it byteswapped
588 avio_wb32(pb, 0); /* Reserved */
589 avio_wb16(pb, 0); /* Reserved */
590 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
592 /* SoundDescription */
593 avio_wb16(pb, version); /* Version */
594 avio_wb16(pb, 0); /* Revision level */
595 avio_wb32(pb, 0); /* Reserved */
600 avio_wb16(pb, 0xfffe);
602 avio_wb32(pb, 0x00010000);
604 avio_wb64(pb, av_double2int(track->enc->sample_rate));
605 avio_wb32(pb, track->enc->channels);
606 avio_wb32(pb, 0x7F000000);
607 avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
608 avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
609 avio_wb32(pb, track->sample_size);
610 avio_wb32(pb, track->enc->frame_size);
612 if (track->mode == MODE_MOV) {
613 avio_wb16(pb, track->enc->channels);
614 if (track->enc->codec_id == CODEC_ID_PCM_U8 ||
615 track->enc->codec_id == CODEC_ID_PCM_S8)
616 avio_wb16(pb, 8); /* bits per sample */
619 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
620 } else { /* reserved for mp4/3gp */
626 avio_wb16(pb, 0); /* packet size (= 0) */
627 avio_wb16(pb, track->enc->sample_rate);
628 avio_wb16(pb, 0); /* Reserved */
631 if(version == 1) { /* SoundDescription V1 extended info */
632 avio_wb32(pb, track->enc->frame_size); /* Samples per packet */
633 avio_wb32(pb, track->sample_size / track->enc->channels); /* Bytes per packet */
634 avio_wb32(pb, track->sample_size); /* Bytes per frame */
635 avio_wb32(pb, 2); /* Bytes per sample */
638 if(track->mode == MODE_MOV &&
639 (track->enc->codec_id == CODEC_ID_AAC ||
640 track->enc->codec_id == CODEC_ID_AC3 ||
641 track->enc->codec_id == CODEC_ID_AMR_NB ||
642 track->enc->codec_id == CODEC_ID_ALAC ||
643 track->enc->codec_id == CODEC_ID_ADPCM_MS ||
644 track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV ||
645 mov_pcm_le_gt16(track->enc->codec_id)))
646 mov_write_wave_tag(pb, track);
647 else if(track->tag == MKTAG('m','p','4','a'))
648 mov_write_esds_tag(pb, track);
649 else if(track->enc->codec_id == CODEC_ID_AMR_NB)
650 mov_write_amr_tag(pb, track);
651 else if(track->enc->codec_id == CODEC_ID_AC3)
652 mov_write_ac3_tag(pb, track);
653 else if(track->enc->codec_id == CODEC_ID_ALAC)
654 mov_write_extradata_tag(pb, track);
655 else if (track->enc->codec_id == CODEC_ID_WMAPRO)
656 mov_write_wfex_tag(pb, track);
657 else if (track->vos_len > 0)
658 mov_write_glbl_tag(pb, track);
660 return update_size(pb, pos);
663 static int mov_write_d263_tag(AVIOContext *pb)
665 avio_wb32(pb, 0xf); /* size */
666 ffio_wfourcc(pb, "d263");
667 ffio_wfourcc(pb, "FFMP");
668 avio_w8(pb, 0); /* decoder version */
669 /* FIXME use AVCodecContext level/profile, when encoder will set values */
670 avio_w8(pb, 0xa); /* level */
671 avio_w8(pb, 0); /* profile */
675 /* TODO: No idea about these values */
676 static int mov_write_svq3_tag(AVIOContext *pb)
679 ffio_wfourcc(pb, "SMI ");
680 ffio_wfourcc(pb, "SEQH");
682 avio_wb32(pb, 0xe2c0211d);
683 avio_wb32(pb, 0xc0000000);
688 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
690 int64_t pos = avio_tell(pb);
693 ffio_wfourcc(pb, "avcC");
694 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
695 return update_size(pb, pos);
698 /* also used by all avid codecs (dv, imx, meridien) and their variants */
699 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
702 avio_wb32(pb, 24); /* size */
703 ffio_wfourcc(pb, "ACLR");
704 ffio_wfourcc(pb, "ACLR");
705 ffio_wfourcc(pb, "0001");
706 avio_wb32(pb, 2); /* yuv range: full 1 / normal 2 */
707 avio_wb32(pb, 0); /* unknown */
709 avio_wb32(pb, 24); /* size */
710 ffio_wfourcc(pb, "APRG");
711 ffio_wfourcc(pb, "APRG");
712 ffio_wfourcc(pb, "0001");
713 avio_wb32(pb, 1); /* unknown */
714 avio_wb32(pb, 0); /* unknown */
716 avio_wb32(pb, 120); /* size */
717 ffio_wfourcc(pb, "ARES");
718 ffio_wfourcc(pb, "ARES");
719 ffio_wfourcc(pb, "0001");
720 avio_wb32(pb, AV_RB32(track->vos_data + 0x28)); /* dnxhd cid, some id ? */
721 avio_wb32(pb, track->enc->width);
722 /* values below are based on samples created with quicktime and avid codecs */
723 if (track->vos_data[5] & 2) { // interlaced
724 avio_wb32(pb, track->enc->height/2);
725 avio_wb32(pb, 2); /* unknown */
726 avio_wb32(pb, 0); /* unknown */
727 avio_wb32(pb, 4); /* unknown */
729 avio_wb32(pb, track->enc->height);
730 avio_wb32(pb, 1); /* unknown */
731 avio_wb32(pb, 0); /* unknown */
732 if (track->enc->height == 1080)
733 avio_wb32(pb, 5); /* unknown */
735 avio_wb32(pb, 6); /* unknown */
738 for (i = 0; i < 10; i++)
741 /* extra padding for stsd needed */
746 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
748 int tag = track->enc->codec_tag;
750 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
753 if (track->enc->codec_id == CODEC_ID_H264) tag = MKTAG('a','v','c','1');
754 else if (track->enc->codec_id == CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
755 else if (track->enc->codec_id == CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
756 else if (track->enc->codec_id == CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
757 else if (track->enc->codec_id == CODEC_ID_VC1) tag = MKTAG('v','c','-','1');
758 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
759 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
764 static const AVCodecTag codec_ipod_tags[] = {
765 { CODEC_ID_H264, MKTAG('a','v','c','1') },
766 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
767 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
768 { CODEC_ID_ALAC, MKTAG('a','l','a','c') },
769 { CODEC_ID_AC3, MKTAG('a','c','-','3') },
770 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
771 { CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
772 { CODEC_ID_NONE, 0 },
775 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
777 int tag = track->enc->codec_tag;
779 // keep original tag for subs, ipod supports both formats
780 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
781 (tag == MKTAG('t','x','3','g') ||
782 tag == MKTAG('t','e','x','t'))))
783 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
785 if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v"))
786 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
787 "Quicktime/Ipod might not play the file\n");
792 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
796 if (track->enc->width == 720) /* SD */
797 if (track->enc->height == 480) /* NTSC */
798 if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
799 else tag = MKTAG('d','v','c',' ');
800 else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
801 else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
802 else tag = MKTAG('d','v','p','p');
803 else if (track->enc->height == 720) /* HD 720 line */
804 if (track->enc->time_base.den == 50) tag = MKTAG('d','v','h','q');
805 else tag = MKTAG('d','v','h','p');
806 else if (track->enc->height == 1080) /* HD 1080 line */
807 if (track->enc->time_base.den == 25) tag = MKTAG('d','v','h','5');
808 else tag = MKTAG('d','v','h','6');
810 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
817 static const struct {
818 enum PixelFormat pix_fmt;
821 } mov_pix_fmt_tags[] = {
822 { PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
823 { PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
824 { PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
825 { PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
826 { PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
827 { PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
828 { PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
829 { PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
830 { PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
831 { PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
832 { PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
833 { PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
834 { PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
835 { PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
838 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
840 int tag = track->enc->codec_tag;
843 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
844 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
845 tag = mov_pix_fmt_tags[i].tag;
846 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
854 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
856 int tag = track->enc->codec_tag;
858 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
859 (track->enc->codec_id == CODEC_ID_DVVIDEO ||
860 track->enc->codec_id == CODEC_ID_RAWVIDEO ||
861 track->enc->codec_id == CODEC_ID_H263 ||
862 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
863 if (track->enc->codec_id == CODEC_ID_DVVIDEO)
864 tag = mov_get_dv_codec_tag(s, track);
865 else if (track->enc->codec_id == CODEC_ID_RAWVIDEO)
866 tag = mov_get_rawvideo_codec_tag(s, track);
867 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
868 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->enc->codec_id);
869 if (!tag) { // if no mac fcc found, try with Microsoft tags
870 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
872 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
873 "the file may be unplayable!\n");
875 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
876 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->enc->codec_id);
877 if (!tag) { // if no mac fcc found, try with Microsoft tags
878 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
880 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
881 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
882 "the file may be unplayable!\n");
885 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
886 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
892 static const AVCodecTag codec_3gp_tags[] = {
893 { CODEC_ID_H263, MKTAG('s','2','6','3') },
894 { CODEC_ID_H264, MKTAG('a','v','c','1') },
895 { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
896 { CODEC_ID_AAC, MKTAG('m','p','4','a') },
897 { CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
898 { CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
899 { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
900 { CODEC_ID_NONE, 0 },
903 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
905 int tag = track->enc->codec_tag;
907 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
908 tag = mp4_get_codec_tag(s, track);
909 else if (track->mode == MODE_ISM) {
910 tag = mp4_get_codec_tag(s, track);
911 if (!tag && track->enc->codec_id == CODEC_ID_WMAPRO)
912 tag = MKTAG('w', 'm', 'a', ' ');
913 } else if (track->mode == MODE_IPOD)
914 tag = ipod_get_codec_tag(s, track);
915 else if (track->mode & MODE_3GP)
916 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
918 tag = mov_get_codec_tag(s, track);
924 * Needed to make file play in iPods running newest firmware
925 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
927 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
930 ffio_wfourcc(pb, "uuid");
931 avio_wb32(pb, 0x6b6840f2);
932 avio_wb32(pb, 0x5f244fc5);
933 avio_wb32(pb, 0xba39a51b);
934 avio_wb32(pb, 0xcf0323f3);
939 static const uint16_t fiel_data[] = {
940 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
943 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track)
945 unsigned mov_field_order = 0;
946 if (track->enc->field_order < FF_ARRAY_ELEMS(fiel_data))
947 mov_field_order = fiel_data[track->enc->field_order];
951 ffio_wfourcc(pb, "fiel");
952 avio_wb16(pb, mov_field_order);
956 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
958 int64_t pos = avio_tell(pb);
959 avio_wb32(pb, 0); /* size */
960 avio_wl32(pb, track->tag); // store it byteswapped
961 avio_wb32(pb, 0); /* Reserved */
962 avio_wb16(pb, 0); /* Reserved */
963 avio_wb16(pb, 1); /* Data-reference index */
965 if (track->enc->extradata_size)
966 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
968 return update_size(pb, pos);
971 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
974 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
975 track->enc->sample_aspect_ratio.den, INT_MAX);
978 ffio_wfourcc(pb, "pasp");
979 avio_wb32(pb, sar.num);
980 avio_wb32(pb, sar.den);
984 static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
986 int64_t pos = avio_tell(pb);
987 char compressor_name[32];
989 avio_wb32(pb, 0); /* size */
990 avio_wl32(pb, track->tag); // store it byteswapped
991 avio_wb32(pb, 0); /* Reserved */
992 avio_wb16(pb, 0); /* Reserved */
993 avio_wb16(pb, 1); /* Data-reference index */
995 avio_wb16(pb, 0); /* Codec stream version */
996 avio_wb16(pb, 0); /* Codec stream revision (=0) */
997 if (track->mode == MODE_MOV) {
998 ffio_wfourcc(pb, "FFMP"); /* Vendor */
999 if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
1000 avio_wb32(pb, 0); /* Temporal Quality */
1001 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
1003 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
1004 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
1007 avio_wb32(pb, 0); /* Reserved */
1008 avio_wb32(pb, 0); /* Reserved */
1009 avio_wb32(pb, 0); /* Reserved */
1011 avio_wb16(pb, track->enc->width); /* Video width */
1012 avio_wb16(pb, track->height); /* Video height */
1013 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
1014 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
1015 avio_wb32(pb, 0); /* Data size (= 0) */
1016 avio_wb16(pb, 1); /* Frame count (= 1) */
1018 memset(compressor_name,0,32);
1019 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
1020 if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
1021 av_strlcpy(compressor_name,track->enc->codec->name,32);
1022 avio_w8(pb, strlen(compressor_name));
1023 avio_write(pb, compressor_name, 31);
1025 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
1026 avio_wb16(pb, track->enc->bits_per_coded_sample);
1028 avio_wb16(pb, 0x18); /* Reserved */
1029 avio_wb16(pb, 0xffff); /* Reserved */
1030 if(track->tag == MKTAG('m','p','4','v'))
1031 mov_write_esds_tag(pb, track);
1032 else if(track->enc->codec_id == CODEC_ID_H263)
1033 mov_write_d263_tag(pb);
1034 else if(track->enc->codec_id == CODEC_ID_SVQ3)
1035 mov_write_svq3_tag(pb);
1036 else if(track->enc->codec_id == CODEC_ID_DNXHD)
1037 mov_write_avid_tag(pb, track);
1038 else if(track->enc->codec_id == CODEC_ID_H264) {
1039 mov_write_avcc_tag(pb, track);
1040 if(track->mode == MODE_IPOD)
1041 mov_write_uuid_tag_ipod(pb);
1042 } else if (track->enc->field_order != AV_FIELD_UNKNOWN)
1043 mov_write_fiel_tag(pb, track);
1044 else if (track->enc->codec_id == CODEC_ID_VC1 && track->vos_len > 0)
1045 mov_write_dvc1_tag(pb, track);
1046 else if (track->vos_len > 0)
1047 mov_write_glbl_tag(pb, track);
1049 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
1050 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
1051 mov_write_pasp_tag(pb, track);
1054 return update_size(pb, pos);
1057 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
1059 int64_t pos = avio_tell(pb);
1060 avio_wb32(pb, 0); /* size */
1061 ffio_wfourcc(pb, "rtp ");
1062 avio_wb32(pb, 0); /* Reserved */
1063 avio_wb16(pb, 0); /* Reserved */
1064 avio_wb16(pb, 1); /* Data-reference index */
1066 avio_wb16(pb, 1); /* Hint track version */
1067 avio_wb16(pb, 1); /* Highest compatible version */
1068 avio_wb32(pb, track->max_packet_size); /* Max packet size */
1070 avio_wb32(pb, 12); /* size */
1071 ffio_wfourcc(pb, "tims");
1072 avio_wb32(pb, track->timescale);
1074 return update_size(pb, pos);
1077 static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
1079 int64_t pos = avio_tell(pb);
1080 avio_wb32(pb, 0); /* size */
1081 ffio_wfourcc(pb, "stsd");
1082 avio_wb32(pb, 0); /* version & flags */
1083 avio_wb32(pb, 1); /* entry count */
1084 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1085 mov_write_video_tag(pb, track);
1086 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1087 mov_write_audio_tag(pb, track);
1088 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
1089 mov_write_subtitle_tag(pb, track);
1090 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
1091 mov_write_rtp_tag(pb, track);
1092 return update_size(pb, pos);
1095 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
1097 MOVStts *ctts_entries;
1098 uint32_t entries = 0;
1102 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
1103 ctts_entries[0].count = 1;
1104 ctts_entries[0].duration = track->cluster[0].cts;
1105 for (i=1; i<track->entry; i++) {
1106 if (track->cluster[i].cts == ctts_entries[entries].duration) {
1107 ctts_entries[entries].count++; /* compress */
1110 ctts_entries[entries].duration = track->cluster[i].cts;
1111 ctts_entries[entries].count = 1;
1114 entries++; /* last one */
1115 atom_size = 16 + (entries * 8);
1116 avio_wb32(pb, atom_size); /* size */
1117 ffio_wfourcc(pb, "ctts");
1118 avio_wb32(pb, 0); /* version & flags */
1119 avio_wb32(pb, entries); /* entry count */
1120 for (i=0; i<entries; i++) {
1121 avio_wb32(pb, ctts_entries[i].count);
1122 avio_wb32(pb, ctts_entries[i].duration);
1124 av_free(ctts_entries);
1128 /* Time to sample atom */
1129 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
1131 MOVStts *stts_entries;
1132 uint32_t entries = -1;
1136 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
1137 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
1138 stts_entries[0].count = track->sample_count;
1139 stts_entries[0].duration = 1;
1142 stts_entries = track->entry ?
1143 av_malloc(track->entry * sizeof(*stts_entries)) : /* worst case */
1145 for (i=0; i<track->entry; i++) {
1146 int64_t duration = i + 1 == track->entry ?
1147 track->track_duration - track->cluster[i].dts + track->start_dts : /* readjusting */
1148 track->cluster[i+1].dts - track->cluster[i].dts;
1149 if (i && duration == stts_entries[entries].duration) {
1150 stts_entries[entries].count++; /* compress */
1153 stts_entries[entries].duration = duration;
1154 stts_entries[entries].count = 1;
1157 entries++; /* last one */
1159 atom_size = 16 + (entries * 8);
1160 avio_wb32(pb, atom_size); /* size */
1161 ffio_wfourcc(pb, "stts");
1162 avio_wb32(pb, 0); /* version & flags */
1163 avio_wb32(pb, entries); /* entry count */
1164 for (i=0; i<entries; i++) {
1165 avio_wb32(pb, stts_entries[i].count);
1166 avio_wb32(pb, stts_entries[i].duration);
1168 av_free(stts_entries);
1172 static int mov_write_dref_tag(AVIOContext *pb)
1174 avio_wb32(pb, 28); /* size */
1175 ffio_wfourcc(pb, "dref");
1176 avio_wb32(pb, 0); /* version & flags */
1177 avio_wb32(pb, 1); /* entry count */
1179 avio_wb32(pb, 0xc); /* size */
1180 //FIXME add the alis and rsrc atom
1181 ffio_wfourcc(pb, "url ");
1182 avio_wb32(pb, 1); /* version & flags */
1187 static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
1189 int64_t pos = avio_tell(pb);
1190 avio_wb32(pb, 0); /* size */
1191 ffio_wfourcc(pb, "stbl");
1192 mov_write_stsd_tag(pb, track);
1193 mov_write_stts_tag(pb, track);
1194 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1195 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
1196 track->has_keyframes && track->has_keyframes < track->entry)
1197 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1198 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1199 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
1200 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1201 track->flags & MOV_TRACK_CTTS)
1202 mov_write_ctts_tag(pb, track);
1203 mov_write_stsc_tag(pb, track);
1204 mov_write_stsz_tag(pb, track);
1205 mov_write_stco_tag(pb, track);
1206 return update_size(pb, pos);
1209 static int mov_write_dinf_tag(AVIOContext *pb)
1211 int64_t pos = avio_tell(pb);
1212 avio_wb32(pb, 0); /* size */
1213 ffio_wfourcc(pb, "dinf");
1214 mov_write_dref_tag(pb);
1215 return update_size(pb, pos);
1218 static int mov_write_nmhd_tag(AVIOContext *pb)
1221 ffio_wfourcc(pb, "nmhd");
1226 static int mov_write_gmhd_tag(AVIOContext *pb)
1228 avio_wb32(pb, 0x20); /* size */
1229 ffio_wfourcc(pb, "gmhd");
1230 avio_wb32(pb, 0x18); /* gmin size */
1231 ffio_wfourcc(pb, "gmin");/* generic media info */
1232 avio_wb32(pb, 0); /* version & flags */
1233 avio_wb16(pb, 0x40); /* graphics mode = */
1234 avio_wb16(pb, 0x8000); /* opColor (r?) */
1235 avio_wb16(pb, 0x8000); /* opColor (g?) */
1236 avio_wb16(pb, 0x8000); /* opColor (b?) */
1237 avio_wb16(pb, 0); /* balance */
1238 avio_wb16(pb, 0); /* reserved */
1242 static int mov_write_smhd_tag(AVIOContext *pb)
1244 avio_wb32(pb, 16); /* size */
1245 ffio_wfourcc(pb, "smhd");
1246 avio_wb32(pb, 0); /* version & flags */
1247 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1248 avio_wb16(pb, 0); /* reserved */
1252 static int mov_write_vmhd_tag(AVIOContext *pb)
1254 avio_wb32(pb, 0x14); /* size (always 0x14) */
1255 ffio_wfourcc(pb, "vmhd");
1256 avio_wb32(pb, 0x01); /* version & flags */
1257 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
1261 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
1263 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1264 int64_t pos = avio_tell(pb);
1266 if (!track) { /* no media --> data handler */
1269 descr = "DataHandler";
1271 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1272 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1274 descr = "VideoHandler";
1275 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1277 descr = "SoundHandler";
1278 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1279 if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
1280 else hdlr_type = "text";
1281 descr = "SubtitleHandler";
1282 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1284 descr = "HintHandler";
1288 avio_wb32(pb, 0); /* size */
1289 ffio_wfourcc(pb, "hdlr");
1290 avio_wb32(pb, 0); /* Version & flags */
1291 avio_write(pb, hdlr, 4); /* handler */
1292 ffio_wfourcc(pb, hdlr_type); /* handler type */
1293 avio_wb32(pb ,0); /* reserved */
1294 avio_wb32(pb ,0); /* reserved */
1295 avio_wb32(pb ,0); /* reserved */
1296 if (!track || track->mode == MODE_MOV)
1297 avio_w8(pb, strlen(descr)); /* pascal string */
1298 avio_write(pb, descr, strlen(descr)); /* handler description */
1299 if (track && track->mode != MODE_MOV)
1300 avio_w8(pb, 0); /* c string */
1301 return update_size(pb, pos);
1304 static int mov_write_hmhd_tag(AVIOContext *pb)
1306 /* This atom must be present, but leaving the values at zero
1307 * seems harmless. */
1308 avio_wb32(pb, 28); /* size */
1309 ffio_wfourcc(pb, "hmhd");
1310 avio_wb32(pb, 0); /* version, flags */
1311 avio_wb16(pb, 0); /* maxPDUsize */
1312 avio_wb16(pb, 0); /* avgPDUsize */
1313 avio_wb32(pb, 0); /* maxbitrate */
1314 avio_wb32(pb, 0); /* avgbitrate */
1315 avio_wb32(pb, 0); /* reserved */
1319 static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
1321 int64_t pos = avio_tell(pb);
1322 avio_wb32(pb, 0); /* size */
1323 ffio_wfourcc(pb, "minf");
1324 if(track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1325 mov_write_vmhd_tag(pb);
1326 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1327 mov_write_smhd_tag(pb);
1328 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1329 if (track->tag == MKTAG('t','e','x','t')) mov_write_gmhd_tag(pb);
1330 else mov_write_nmhd_tag(pb);
1331 } else if (track->tag == MKTAG('r','t','p',' ')) {
1332 mov_write_hmhd_tag(pb);
1334 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1335 mov_write_hdlr_tag(pb, NULL);
1336 mov_write_dinf_tag(pb);
1337 mov_write_stbl_tag(pb, track);
1338 return update_size(pb, pos);
1341 static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track)
1343 int version = track->track_duration < INT32_MAX ? 0 : 1;
1345 if (track->mode == MODE_ISM)
1348 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
1349 ffio_wfourcc(pb, "mdhd");
1350 avio_w8(pb, version);
1351 avio_wb24(pb, 0); /* flags */
1353 avio_wb64(pb, track->time);
1354 avio_wb64(pb, track->time);
1356 avio_wb32(pb, track->time); /* creation time */
1357 avio_wb32(pb, track->time); /* modification time */
1359 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
1361 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1363 (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
1364 avio_wb16(pb, track->language); /* language */
1365 avio_wb16(pb, 0); /* reserved (quality) */
1367 if(version!=0 && track->mode == MODE_MOV){
1368 av_log(NULL, AV_LOG_ERROR,
1369 "FATAL error, file duration too long for timebase, this file will not be\n"
1370 "playable with quicktime. Choose a different timebase or a different\n"
1371 "container format\n");
1377 static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track)
1379 int64_t pos = avio_tell(pb);
1380 avio_wb32(pb, 0); /* size */
1381 ffio_wfourcc(pb, "mdia");
1382 mov_write_mdhd_tag(pb, track);
1383 mov_write_hdlr_tag(pb, track);
1384 mov_write_minf_tag(pb, track);
1385 return update_size(pb, pos);
1388 static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1390 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1391 track->timescale, AV_ROUND_UP);
1392 int version = duration < INT32_MAX ? 0 : 1;
1394 if (track->mode == MODE_ISM)
1397 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
1398 ffio_wfourcc(pb, "tkhd");
1399 avio_w8(pb, version);
1400 avio_wb24(pb, 0xf); /* flags (track enabled) */
1402 avio_wb64(pb, track->time);
1403 avio_wb64(pb, track->time);
1405 avio_wb32(pb, track->time); /* creation time */
1406 avio_wb32(pb, track->time); /* modification time */
1408 avio_wb32(pb, track->track_id); /* track-id */
1409 avio_wb32(pb, 0); /* reserved */
1411 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1413 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
1415 avio_wb32(pb, 0); /* reserved */
1416 avio_wb32(pb, 0); /* reserved */
1417 avio_wb16(pb, 0); /* layer */
1418 avio_wb16(pb, st ? st->codec->codec_type : 0); /* alternate group) */
1419 /* Volume, only for audio */
1420 if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1421 avio_wb16(pb, 0x0100);
1424 avio_wb16(pb, 0); /* reserved */
1426 /* Matrix structure */
1427 avio_wb32(pb, 0x00010000); /* reserved */
1428 avio_wb32(pb, 0x0); /* reserved */
1429 avio_wb32(pb, 0x0); /* reserved */
1430 avio_wb32(pb, 0x0); /* reserved */
1431 avio_wb32(pb, 0x00010000); /* reserved */
1432 avio_wb32(pb, 0x0); /* reserved */
1433 avio_wb32(pb, 0x0); /* reserved */
1434 avio_wb32(pb, 0x0); /* reserved */
1435 avio_wb32(pb, 0x40000000); /* reserved */
1437 /* Track width and height, for visual only */
1438 if(st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1439 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
1440 if(track->mode == MODE_MOV) {
1441 avio_wb32(pb, track->enc->width << 16);
1442 avio_wb32(pb, track->height << 16);
1444 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1445 if(!sample_aspect_ratio || track->height != track->enc->height)
1446 sample_aspect_ratio = 1;
1447 avio_wb32(pb, sample_aspect_ratio * track->enc->width*0x10000);
1448 avio_wb32(pb, track->height*0x10000);
1458 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
1460 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
1461 track->enc->sample_aspect_ratio.den);
1463 int64_t pos = avio_tell(pb);
1465 avio_wb32(pb, 0); /* size */
1466 ffio_wfourcc(pb, "tapt");
1469 ffio_wfourcc(pb, "clef");
1471 avio_wb32(pb, width << 16);
1472 avio_wb32(pb, track->enc->height << 16);
1475 ffio_wfourcc(pb, "enof");
1477 avio_wb32(pb, track->enc->width << 16);
1478 avio_wb32(pb, track->enc->height << 16);
1480 return update_size(pb, pos);
1483 // This box seems important for the psp playback ... without it the movie seems to hang
1484 static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track)
1486 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
1487 track->timescale, AV_ROUND_UP);
1488 int version = duration < INT32_MAX ? 0 : 1;
1489 int entry_size, entry_count, size;
1490 int64_t delay, start_ct = track->cluster[0].cts;
1491 delay = av_rescale_rnd(track->cluster[0].dts + start_ct, MOV_TIMESCALE,
1492 track->timescale, AV_ROUND_DOWN);
1493 version |= delay < INT32_MAX ? 0 : 1;
1495 entry_size = (version == 1) ? 20 : 12;
1496 entry_count = 1 + (delay > 0);
1497 size = 24 + entry_count * entry_size;
1499 /* write the atom data */
1500 avio_wb32(pb, size);
1501 ffio_wfourcc(pb, "edts");
1502 avio_wb32(pb, size - 8);
1503 ffio_wfourcc(pb, "elst");
1504 avio_w8(pb, version);
1505 avio_wb24(pb, 0); /* flags */
1507 avio_wb32(pb, entry_count);
1508 if (delay > 0) { /* add an empty edit to delay presentation */
1510 avio_wb64(pb, delay);
1513 avio_wb32(pb, delay);
1516 avio_wb32(pb, 0x00010000);
1521 avio_wb64(pb, duration);
1522 avio_wb64(pb, start_ct);
1524 avio_wb32(pb, duration);
1525 avio_wb32(pb, start_ct);
1527 avio_wb32(pb, 0x00010000);
1531 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
1533 avio_wb32(pb, 20); // size
1534 ffio_wfourcc(pb, "tref");
1535 avio_wb32(pb, 12); // size (subatom)
1536 avio_wl32(pb, track->tref_tag);
1537 avio_wb32(pb, track->tref_id);
1541 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1542 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
1544 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1545 ffio_wfourcc(pb, "uuid");
1546 ffio_wfourcc(pb, "USMT");
1547 avio_wb32(pb, 0x21d24fce);
1548 avio_wb32(pb, 0xbb88695c);
1549 avio_wb32(pb, 0xfac9c740);
1550 avio_wb32(pb, 0x1c); // another size here!
1551 ffio_wfourcc(pb, "MTDT");
1552 avio_wb32(pb, 0x00010012);
1553 avio_wb32(pb, 0x0a);
1554 avio_wb32(pb, 0x55c40000);
1560 static int mov_write_udta_sdp(AVIOContext *pb, AVFormatContext *ctx, int index)
1562 char buf[1000] = "";
1565 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0]->codec, NULL, NULL, 0, 0, ctx);
1566 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", index);
1569 avio_wb32(pb, len + 24);
1570 ffio_wfourcc(pb, "udta");
1571 avio_wb32(pb, len + 16);
1572 ffio_wfourcc(pb, "hnti");
1573 avio_wb32(pb, len + 8);
1574 ffio_wfourcc(pb, "sdp ");
1575 avio_write(pb, buf, len);
1579 static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov,
1580 MOVTrack *track, AVStream *st)
1582 int64_t pos = avio_tell(pb);
1583 avio_wb32(pb, 0); /* size */
1584 ffio_wfourcc(pb, "trak");
1585 mov_write_tkhd_tag(pb, track, st);
1586 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) // EDTS with fragments is tricky as we dont know the duration when its written
1587 mov_write_edts_tag(pb, track); // PSP Movies and several other cases require edts box
1588 if (track->tref_tag)
1589 mov_write_tref_tag(pb, track);
1590 mov_write_mdia_tag(pb, track);
1591 if (track->mode == MODE_PSP)
1592 mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
1593 if (track->tag == MKTAG('r','t','p',' '))
1594 mov_write_udta_sdp(pb, track->rtp_ctx, track->track_id);
1595 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && track->mode == MODE_MOV) {
1596 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1597 if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio)
1598 mov_write_tapt_tag(pb, track);
1600 return update_size(pb, pos);
1603 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
1605 int i, has_audio = 0, has_video = 0;
1606 int64_t pos = avio_tell(pb);
1607 int audio_profile = mov->iods_audio_profile;
1608 int video_profile = mov->iods_video_profile;
1609 for (i = 0; i < mov->nb_streams; i++) {
1610 if(mov->tracks[i].entry > 0) {
1611 has_audio |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_AUDIO;
1612 has_video |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_VIDEO;
1615 if (audio_profile < 0)
1616 audio_profile = 0xFF - has_audio;
1617 if (video_profile < 0)
1618 video_profile = 0xFF - has_video;
1619 avio_wb32(pb, 0x0); /* size */
1620 ffio_wfourcc(pb, "iods");
1621 avio_wb32(pb, 0); /* version & flags */
1622 put_descr(pb, 0x10, 7);
1623 avio_wb16(pb, 0x004f);
1626 avio_w8(pb, audio_profile);
1627 avio_w8(pb, video_profile);
1629 return update_size(pb, pos);
1632 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
1634 avio_wb32(pb, 0x20); /* size */
1635 ffio_wfourcc(pb, "trex");
1636 avio_wb32(pb, 0); /* version & flags */
1637 avio_wb32(pb, track->track_id); /* track ID */
1638 avio_wb32(pb, 1); /* default sample description index */
1639 avio_wb32(pb, 0); /* default sample duration */
1640 avio_wb32(pb, 0); /* default sample size */
1641 avio_wb32(pb, 0); /* default sample flags */
1645 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
1647 int64_t pos = avio_tell(pb);
1649 avio_wb32(pb, 0x0); /* size */
1650 ffio_wfourcc(pb, "mvex");
1651 for (i = 0; i < mov->nb_streams; i++)
1652 mov_write_trex_tag(pb, &mov->tracks[i]);
1653 return update_size(pb, pos);
1656 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
1658 int max_track_id = 1, i;
1659 int64_t max_track_len_temp, max_track_len = 0;
1662 for (i=0; i<mov->nb_streams; i++) {
1663 if(mov->tracks[i].entry > 0) {
1664 max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
1666 mov->tracks[i].timescale,
1668 if (max_track_len < max_track_len_temp)
1669 max_track_len = max_track_len_temp;
1670 if (max_track_id < mov->tracks[i].track_id)
1671 max_track_id = mov->tracks[i].track_id;
1675 version = max_track_len < UINT32_MAX ? 0 : 1;
1676 (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
1677 ffio_wfourcc(pb, "mvhd");
1678 avio_w8(pb, version);
1679 avio_wb24(pb, 0); /* flags */
1681 avio_wb64(pb, mov->time);
1682 avio_wb64(pb, mov->time);
1684 avio_wb32(pb, mov->time); /* creation time */
1685 avio_wb32(pb, mov->time); /* modification time */
1687 avio_wb32(pb, MOV_TIMESCALE);
1688 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
1690 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1691 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1692 avio_wb16(pb, 0); /* reserved */
1693 avio_wb32(pb, 0); /* reserved */
1694 avio_wb32(pb, 0); /* reserved */
1696 /* Matrix structure */
1697 avio_wb32(pb, 0x00010000); /* reserved */
1698 avio_wb32(pb, 0x0); /* reserved */
1699 avio_wb32(pb, 0x0); /* reserved */
1700 avio_wb32(pb, 0x0); /* reserved */
1701 avio_wb32(pb, 0x00010000); /* reserved */
1702 avio_wb32(pb, 0x0); /* reserved */
1703 avio_wb32(pb, 0x0); /* reserved */
1704 avio_wb32(pb, 0x0); /* reserved */
1705 avio_wb32(pb, 0x40000000); /* reserved */
1707 avio_wb32(pb, 0); /* reserved (preview time) */
1708 avio_wb32(pb, 0); /* reserved (preview duration) */
1709 avio_wb32(pb, 0); /* reserved (poster time) */
1710 avio_wb32(pb, 0); /* reserved (selection time) */
1711 avio_wb32(pb, 0); /* reserved (selection duration) */
1712 avio_wb32(pb, 0); /* reserved (current time) */
1713 avio_wb32(pb, max_track_id + 1); /* Next track id */
1717 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
1720 avio_wb32(pb, 33); /* size */
1721 ffio_wfourcc(pb, "hdlr");
1724 ffio_wfourcc(pb, "mdir");
1725 ffio_wfourcc(pb, "appl");
1732 /* helper function to write a data tag with the specified string as data */
1733 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
1736 int size = 16 + strlen(data);
1737 avio_wb32(pb, size); /* size */
1738 ffio_wfourcc(pb, "data");
1741 avio_write(pb, data, strlen(data));
1745 lang = ff_mov_iso639_to_lang("und", 1);
1746 avio_wb16(pb, strlen(data)); /* string length */
1747 avio_wb16(pb, lang);
1748 avio_write(pb, data, strlen(data));
1749 return strlen(data) + 4;
1753 static int mov_write_string_tag(AVIOContext *pb, const char *name, const char *value, int lang, int long_style){
1755 if (value && value[0]) {
1756 int64_t pos = avio_tell(pb);
1757 avio_wb32(pb, 0); /* size */
1758 ffio_wfourcc(pb, name);
1759 mov_write_string_data_tag(pb, value, lang, long_style);
1760 size = update_size(pb, pos);
1765 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
1766 const char *name, const char *tag,
1769 int l, lang = 0, len, len2;
1770 AVDictionaryEntry *t, *t2 = NULL;
1773 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
1776 len = strlen(t->key);
1777 snprintf(tag2, sizeof(tag2), "%s-", tag);
1778 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
1779 len2 = strlen(t2->key);
1780 if (len2 == len+4 && !strcmp(t->value, t2->value)
1781 && (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 1)) >= 0) {
1786 return mov_write_string_tag(pb, name, t->value, lang, long_style);
1789 /* iTunes track number */
1790 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
1793 AVDictionaryEntry *t = av_dict_get(s->metadata, "track", NULL, 0);
1794 int size = 0, track = t ? atoi(t->value) : 0;
1796 avio_wb32(pb, 32); /* size */
1797 ffio_wfourcc(pb, "trkn");
1798 avio_wb32(pb, 24); /* size */
1799 ffio_wfourcc(pb, "data");
1800 avio_wb32(pb, 0); // 8 bytes empty
1802 avio_wb16(pb, 0); // empty
1803 avio_wb16(pb, track); // track number
1804 avio_wb16(pb, 0); // total track number
1805 avio_wb16(pb, 0); // empty
1811 /* iTunes meta data list */
1812 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
1815 int64_t pos = avio_tell(pb);
1816 avio_wb32(pb, 0); /* size */
1817 ffio_wfourcc(pb, "ilst");
1818 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
1819 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
1820 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
1821 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
1822 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
1823 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
1824 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
1825 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
1826 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
1827 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
1828 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
1829 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
1830 mov_write_string_metadata(s, pb, "desc", "description",1);
1831 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
1832 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
1833 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
1834 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
1835 mov_write_trkn_tag(pb, mov, s);
1836 return update_size(pb, pos);
1839 /* iTunes meta data tag */
1840 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
1844 int64_t pos = avio_tell(pb);
1845 avio_wb32(pb, 0); /* size */
1846 ffio_wfourcc(pb, "meta");
1848 mov_write_itunes_hdlr_tag(pb, mov, s);
1849 mov_write_ilst_tag(pb, mov, s);
1850 size = update_size(pb, pos);
1854 static int utf8len(const uint8_t *b)
1859 GET_UTF8(val, *b++, return -1;)
1865 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
1869 GET_UTF8(val, *b++, return -1;)
1872 avio_wb16(pb, 0x00);
1876 static uint16_t language_code(const char *str)
1878 return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
1881 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
1882 const char *tag, const char *str)
1884 int64_t pos = avio_tell(pb);
1885 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
1886 if (!t || !utf8len(t->value))
1888 avio_wb32(pb, 0); /* size */
1889 ffio_wfourcc(pb, tag); /* type */
1890 avio_wb32(pb, 0); /* version + flags */
1891 if (!strcmp(tag, "yrrc"))
1892 avio_wb16(pb, atoi(t->value));
1894 avio_wb16(pb, language_code("eng")); /* language */
1895 avio_write(pb, t->value, strlen(t->value)+1); /* UTF8 string value */
1896 if (!strcmp(tag, "albm") &&
1897 (t = av_dict_get(s->metadata, "track", NULL, 0)))
1898 avio_w8(pb, atoi(t->value));
1900 return update_size(pb, pos);
1903 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
1905 int64_t pos = avio_tell(pb);
1906 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
1908 avio_wb32(pb, 0); // size
1909 ffio_wfourcc(pb, "chpl");
1910 avio_wb32(pb, 0x01000000); // version + flags
1911 avio_wb32(pb, 0); // unknown
1912 avio_w8(pb, nb_chapters);
1914 for (i = 0; i < nb_chapters; i++) {
1915 AVChapter *c = s->chapters[i];
1916 AVDictionaryEntry *t;
1917 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
1919 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
1920 int len = FFMIN(strlen(t->value), 255);
1922 avio_write(pb, t->value, len);
1926 return update_size(pb, pos);
1929 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
1932 AVIOContext *pb_buf;
1936 for (i = 0; i < s->nb_streams; i++)
1937 if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
1941 ret = avio_open_dyn_buf(&pb_buf);
1945 if (mov->mode & MODE_3GP) {
1946 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
1947 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
1948 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
1949 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
1950 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
1951 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
1952 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
1953 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
1954 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
1955 mov_write_string_metadata(s, pb_buf, "\251ART", "artist" , 0);
1956 mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0);
1957 mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0);
1958 mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0);
1959 mov_write_string_metadata(s, pb_buf, "\251day", "date" , 0);
1960 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder" , 0);
1961 mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0);
1962 mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0);
1963 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0);
1965 /* iTunes meta data */
1966 mov_write_meta_tag(pb_buf, mov, s);
1970 mov_write_chpl_tag(pb_buf, s);
1972 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
1973 avio_wb32(pb, size+8);
1974 ffio_wfourcc(pb, "udta");
1975 avio_write(pb, buf, size);
1982 static void mov_write_psp_udta_tag(AVIOContext *pb,
1983 const char *str, const char *lang, int type)
1985 int len = utf8len(str)+1;
1988 avio_wb16(pb, len*2+10); /* size */
1989 avio_wb32(pb, type); /* type */
1990 avio_wb16(pb, language_code(lang)); /* language */
1991 avio_wb16(pb, 0x01); /* ? */
1992 ascii_to_wc(pb, str);
1995 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
1997 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
2001 pos = avio_tell(pb);
2002 avio_wb32(pb, 0); /* size placeholder*/
2003 ffio_wfourcc(pb, "uuid");
2004 ffio_wfourcc(pb, "USMT");
2005 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2006 avio_wb32(pb, 0xbb88695c);
2007 avio_wb32(pb, 0xfac9c740);
2009 pos2 = avio_tell(pb);
2010 avio_wb32(pb, 0); /* size placeholder*/
2011 ffio_wfourcc(pb, "MTDT");
2015 avio_wb16(pb, 0x0C); /* size */
2016 avio_wb32(pb, 0x0B); /* type */
2017 avio_wb16(pb, language_code("und")); /* language */
2018 avio_wb16(pb, 0x0); /* ? */
2019 avio_wb16(pb, 0x021C); /* data */
2021 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
2022 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
2023 // 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);
2024 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
2026 update_size(pb, pos2);
2027 return update_size(pb, pos);
2033 static void build_chunks(MOVTrack *trk)
2036 MOVIentry *chunk= &trk->cluster[0];
2037 uint64_t chunkSize = chunk->size;
2040 for(i=1; i<trk->entry; i++){
2041 if(chunk->pos + chunkSize == trk->cluster[i].pos &&
2042 chunkSize + trk->cluster[i].size < (1<<20)){
2043 chunkSize += trk->cluster[i].size;
2044 chunk->samples_in_chunk += trk->cluster[i].entries;
2046 trk->cluster[i].chunkNum = chunk->chunkNum+1;
2047 chunk=&trk->cluster[i];
2048 chunkSize = chunk->size;
2054 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
2058 int64_t pos = avio_tell(pb);
2059 avio_wb32(pb, 0); /* size placeholder*/
2060 ffio_wfourcc(pb, "moov");
2062 for (i=0; i<mov->nb_streams; i++) {
2063 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
2066 mov->tracks[i].time = mov->time;
2067 mov->tracks[i].track_id = i+1;
2069 if (mov->tracks[i].entry)
2070 build_chunks(&mov->tracks[i]);
2073 if (mov->chapter_track)
2074 for (i=0; i<s->nb_streams; i++) {
2075 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
2076 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
2078 for (i = 0; i < mov->nb_streams; i++) {
2079 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
2080 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
2081 mov->tracks[i].tref_id =
2082 mov->tracks[mov->tracks[i].src_track].track_id;
2086 mov_write_mvhd_tag(pb, mov);
2087 if (mov->mode != MODE_MOV && !mov->iods_skip)
2088 mov_write_iods_tag(pb, mov);
2089 for (i=0; i<mov->nb_streams; i++) {
2090 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
2091 mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
2094 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
2095 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
2097 if (mov->mode == MODE_PSP)
2098 mov_write_uuidusmt_tag(pb, s);
2100 mov_write_udta_tag(pb, mov, s);
2102 return update_size(pb, pos);
2105 static void param_write_int(AVIOContext *pb, const char *name, int value)
2107 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
2110 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
2112 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
2115 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
2118 len = FFMIN(sizeof(buf)/2 - 1, len);
2119 ff_data_to_hex(buf, value, len, 0);
2121 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
2124 static void write_h264_extradata(AVIOContext *pb, AVCodecContext *enc)
2126 uint16_t sps_size, pps_size, len;
2128 sps_size = AV_RB16(&enc->extradata[6]);
2129 if (11 + sps_size > enc->extradata_size)
2131 pps_size = AV_RB16(&enc->extradata[9 + sps_size]);
2132 if (11 + sps_size + pps_size > enc->extradata_size)
2134 len = FFMIN(sizeof(buf)/2 - 1, sps_size);
2135 ff_data_to_hex(buf, &enc->extradata[8], len, 0);
2137 avio_printf(pb, "<param name=\"CodecPrivateData\" value=\"00000001%s", buf);
2138 len = FFMIN(sizeof(buf)/2 - 1, pps_size);
2139 ff_data_to_hex(buf, &enc->extradata[11 + sps_size], len, 0);
2141 avio_printf(pb, "00000001%s\" valuetype=\"data\"/>\n", buf);
2144 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov)
2146 int64_t pos = avio_tell(pb);
2148 const uint8_t uuid[] = {
2149 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
2150 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
2154 ffio_wfourcc(pb, "uuid");
2155 avio_write(pb, uuid, sizeof(uuid));
2158 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
2159 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
2160 avio_printf(pb, "<head>\n");
2161 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
2163 avio_printf(pb, "</head>\n");
2164 avio_printf(pb, "<body>\n");
2165 avio_printf(pb, "<switch>\n");
2166 for (i = 0; i < mov->nb_streams; i++) {
2167 MOVTrack *track = &mov->tracks[i];
2169 /* track->track_id is initialized in write_moov, and thus isn't known
2171 int track_id = i + 1;
2173 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2175 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
2180 avio_printf(pb, "<%s systemBitrate=\"%d\">\n", type,
2181 track->enc->bit_rate);
2182 param_write_int(pb, "systemBitrate", track->enc->bit_rate);
2183 param_write_int(pb, "trackID", track_id);
2184 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2185 if (track->enc->codec_id == CODEC_ID_H264 &&
2186 track->enc->extradata_size >= 11 &&
2187 track->enc->extradata[0] == 1) {
2188 write_h264_extradata(pb, track->enc);
2190 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2191 track->enc->extradata_size);
2193 if (track->enc->codec_id == CODEC_ID_H264) {
2194 param_write_string(pb, "FourCC", "H264");
2195 } else if (track->enc->codec_id == CODEC_ID_VC1) {
2196 param_write_string(pb, "FourCC", "WVC1");
2198 param_write_int(pb, "MaxWidth", track->enc->width);
2199 param_write_int(pb, "MaxHeight", track->enc->height);
2200 param_write_int(pb, "DisplayWidth", track->enc->width);
2201 param_write_int(pb, "DisplayHeight", track->enc->height);
2203 if (track->enc->codec_id == CODEC_ID_AAC) {
2204 param_write_string(pb, "FourCC", "AACL");
2205 } else if (track->enc->codec_id == CODEC_ID_WMAPRO) {
2206 param_write_string(pb, "FourCC", "WMAP");
2208 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2209 track->enc->extradata_size);
2210 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
2211 track->enc->codec_id));
2212 param_write_int(pb, "Channels", track->enc->channels);
2213 param_write_int(pb, "SamplingRate", track->enc->sample_rate);
2214 param_write_int(pb, "BitsPerSample", 16);
2215 param_write_int(pb, "PacketSize", track->enc->block_align ?
2216 track->enc->block_align : 4);
2218 avio_printf(pb, "</%s>\n", type);
2220 avio_printf(pb, "</switch>\n");
2221 avio_printf(pb, "</body>\n");
2222 avio_printf(pb, "</smil>\n");
2224 return update_size(pb, pos);
2227 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
2230 ffio_wfourcc(pb, "mfhd");
2232 avio_wb32(pb, mov->fragments);
2236 static int mov_write_tfhd_tag(AVIOContext *pb, MOVTrack *track,
2237 int64_t moof_offset)
2239 int64_t pos = avio_tell(pb);
2240 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
2241 MOV_TFHD_BASE_DATA_OFFSET;
2242 if (!track->entry) {
2243 flags |= MOV_TFHD_DURATION_IS_EMPTY;
2245 flags |= MOV_TFHD_DEFAULT_FLAGS;
2248 /* Don't set a default sample size, the silverlight player refuses
2249 * to play files with that set. Don't set a default sample duration,
2250 * WMP freaks out if it is set. */
2251 if (track->mode == MODE_ISM)
2252 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION);
2254 avio_wb32(pb, 0); /* size placeholder */
2255 ffio_wfourcc(pb, "tfhd");
2256 avio_w8(pb, 0); /* version */
2257 avio_wb24(pb, flags);
2259 avio_wb32(pb, track->track_id); /* track-id */
2260 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
2261 avio_wb64(pb, moof_offset);
2262 if (flags & MOV_TFHD_DEFAULT_DURATION) {
2263 track->default_duration = track->audio_vbr ? track->enc->frame_size : 1;
2264 avio_wb32(pb, track->default_duration);
2266 if (flags & MOV_TFHD_DEFAULT_SIZE) {
2267 track->default_size = track->entry ? track->cluster[0].size : 1;
2268 avio_wb32(pb, track->default_size);
2270 track->default_size = -1;
2272 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
2273 track->default_sample_flags =
2274 track->enc->codec_type == AVMEDIA_TYPE_VIDEO ?
2275 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
2276 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
2277 avio_wb32(pb, track->default_sample_flags);
2280 return update_size(pb, pos);
2283 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
2285 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
2286 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
2289 static int mov_write_trun_tag(AVIOContext *pb, MOVTrack *track)
2291 int64_t pos = avio_tell(pb);
2292 uint32_t flags = MOV_TRUN_DATA_OFFSET;
2295 for (i = 0; i < track->entry; i++) {
2296 int64_t duration = i + 1 == track->entry ?
2297 track->track_duration - track->cluster[i].dts + track->start_dts :
2298 track->cluster[i + 1].dts - track->cluster[i].dts;
2299 if (duration != track->default_duration)
2300 flags |= MOV_TRUN_SAMPLE_DURATION;
2301 if (track->cluster[i].size != track->default_size)
2302 flags |= MOV_TRUN_SAMPLE_SIZE;
2303 if (i > 0 && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
2304 flags |= MOV_TRUN_SAMPLE_FLAGS;
2306 if (!(flags & MOV_TRUN_SAMPLE_FLAGS))
2307 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
2308 if (track->flags & MOV_TRACK_CTTS)
2309 flags |= MOV_TRUN_SAMPLE_CTS;
2311 avio_wb32(pb, 0); /* size placeholder */
2312 ffio_wfourcc(pb, "trun");
2313 avio_w8(pb, 0); /* version */
2314 avio_wb24(pb, flags);
2316 avio_wb32(pb, track->entry); /* sample count */
2317 track->moof_size_offset = avio_tell(pb);
2318 avio_wb32(pb, 0); /* data offset */
2319 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
2320 avio_wb32(pb, get_sample_flags(track, &track->cluster[0]));
2322 for (i = 0; i < track->entry; i++) {
2323 int64_t duration = i + 1 == track->entry ?
2324 track->track_duration - track->cluster[i].dts + track->start_dts :
2325 track->cluster[i + 1].dts - track->cluster[i].dts;
2326 if (flags & MOV_TRUN_SAMPLE_DURATION)
2327 avio_wb32(pb, duration);
2328 if (flags & MOV_TRUN_SAMPLE_SIZE)
2329 avio_wb32(pb, track->cluster[i].size);
2330 if (flags & MOV_TRUN_SAMPLE_FLAGS)
2331 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
2332 if (flags & MOV_TRUN_SAMPLE_CTS)
2333 avio_wb32(pb, track->cluster[i].cts);
2336 return update_size(pb, pos);
2339 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
2341 int64_t pos = avio_tell(pb);
2342 const uint8_t uuid[] = {
2343 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
2344 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
2347 avio_wb32(pb, 0); /* size placeholder */
2348 ffio_wfourcc(pb, "uuid");
2349 avio_write(pb, uuid, sizeof(uuid));
2352 avio_wb64(pb, track->frag_start);
2353 avio_wb64(pb, track->start_dts + track->track_duration -
2354 track->cluster[0].dts);
2356 return update_size(pb, pos);
2359 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
2360 MOVTrack *track, int entry)
2362 int n = track->nb_frag_info - 1 - entry, i;
2363 int size = 8 + 16 + 4 + 1 + 16*n;
2364 const uint8_t uuid[] = {
2365 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
2366 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
2372 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
2373 avio_wb32(pb, size);
2374 ffio_wfourcc(pb, "uuid");
2375 avio_write(pb, uuid, sizeof(uuid));
2379 for (i = 0; i < n; i++) {
2380 int index = entry + 1 + i;
2381 avio_wb64(pb, track->frag_info[index].time);
2382 avio_wb64(pb, track->frag_info[index].duration);
2384 if (n < mov->ism_lookahead) {
2385 int free_size = 16*(mov->ism_lookahead - n);
2386 avio_wb32(pb, free_size);
2387 ffio_wfourcc(pb, "free");
2388 for (i = 0; i < free_size - 8; i++)
2395 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
2398 int64_t pos = avio_tell(pb);
2400 for (i = 0; i < mov->ism_lookahead; i++) {
2401 /* Update the tfrf tag for the last ism_lookahead fragments,
2402 * nb_frag_info - 1 is the next fragment to be written. */
2403 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
2405 avio_seek(pb, pos, SEEK_SET);
2409 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
2410 MOVTrack *track, int64_t moof_offset)
2412 int64_t pos = avio_tell(pb);
2413 avio_wb32(pb, 0); /* size placeholder */
2414 ffio_wfourcc(pb, "traf");
2416 mov_write_tfhd_tag(pb, track, moof_offset);
2417 mov_write_trun_tag(pb, track);
2418 if (mov->mode == MODE_ISM) {
2419 mov_write_tfxd_tag(pb, track);
2421 if (mov->ism_lookahead) {
2422 int i, size = 16 + 4 + 1 + 16*mov->ism_lookahead;
2424 track->tfrf_offset = avio_tell(pb);
2425 avio_wb32(pb, 8 + size);
2426 ffio_wfourcc(pb, "free");
2427 for (i = 0; i < size; i++)
2432 return update_size(pb, pos);
2435 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
2437 int64_t pos = avio_tell(pb), end;
2440 avio_wb32(pb, 0); /* size placeholder */
2441 ffio_wfourcc(pb, "moof");
2443 mov_write_mfhd_tag(pb, mov);
2444 for (i = 0; i < mov->nb_streams; i++) {
2445 MOVTrack *track = &mov->tracks[i];
2446 if (tracks >= 0 && i != tracks)
2450 mov_write_traf_tag(pb, mov, track, pos);
2453 end = avio_tell(pb);
2454 moof_size = end - pos;
2455 for (i = 0; i < mov->nb_streams; i++) {
2456 MOVTrack *track = &mov->tracks[i];
2457 if (tracks >= 0 && i != tracks)
2461 avio_seek(pb, mov->tracks[i].moof_size_offset, SEEK_SET);
2462 avio_wb32(pb, moof_size + 8 + mov->tracks[i].data_offset);
2464 avio_seek(pb, end, SEEK_SET);
2466 return update_size(pb, pos);
2469 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
2471 int64_t pos = avio_tell(pb);
2474 avio_wb32(pb, 0); /* size placeholder */
2475 ffio_wfourcc(pb, "tfra");
2476 avio_w8(pb, 1); /* version */
2479 avio_wb32(pb, track->track_id);
2480 avio_wb32(pb, 0); /* length of traf/trun/sample num */
2481 avio_wb32(pb, track->nb_frag_info);
2482 for (i = 0; i < track->nb_frag_info; i++) {
2483 avio_wb64(pb, track->frag_info[i].time);
2484 avio_wb64(pb, track->frag_info[i].offset);
2485 avio_w8(pb, 1); /* traf number */
2486 avio_w8(pb, 1); /* trun number */
2487 avio_w8(pb, 1); /* sample number */
2490 return update_size(pb, pos);
2493 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
2495 int64_t pos = avio_tell(pb);
2498 avio_wb32(pb, 0); /* size placeholder */
2499 ffio_wfourcc(pb, "mfra");
2500 /* An empty mfra atom is enough to indicate to the publishing point that
2501 * the stream has ended. */
2502 if (mov->flags & FF_MOV_FLAG_ISML)
2503 return update_size(pb, pos);
2505 for (i = 0; i < mov->nb_streams; i++) {
2506 MOVTrack *track = &mov->tracks[i];
2507 if (track->nb_frag_info)
2508 mov_write_tfra_tag(pb, track);
2512 ffio_wfourcc(pb, "mfro");
2513 avio_wb32(pb, 0); /* version + flags */
2514 avio_wb32(pb, avio_tell(pb) + 4 - pos);
2516 return update_size(pb, pos);
2519 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
2521 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
2522 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
2524 mov->mdat_pos = avio_tell(pb);
2525 avio_wb32(pb, 0); /* size placeholder*/
2526 ffio_wfourcc(pb, "mdat");
2530 /* TODO: This needs to be more general */
2531 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
2533 MOVMuxContext *mov = s->priv_data;
2534 int64_t pos = avio_tell(pb);
2535 int has_h264 = 0, has_video = 0;
2539 for (i = 0; i < s->nb_streams; i++) {
2540 AVStream *st = s->streams[i];
2541 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2543 if (st->codec->codec_id == CODEC_ID_H264)
2547 avio_wb32(pb, 0); /* size */
2548 ffio_wfourcc(pb, "ftyp");
2550 if (mov->mode == MODE_3GP) {
2551 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
2552 minor = has_h264 ? 0x100 : 0x200;
2553 } else if (mov->mode & MODE_3G2) {
2554 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
2555 minor = has_h264 ? 0x20000 : 0x10000;
2556 }else if (mov->mode == MODE_PSP)
2557 ffio_wfourcc(pb, "MSNV");
2558 else if (mov->mode == MODE_MP4)
2559 ffio_wfourcc(pb, "isom");
2560 else if (mov->mode == MODE_IPOD)
2561 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
2562 else if (mov->mode == MODE_ISM)
2563 ffio_wfourcc(pb, "isml");
2565 ffio_wfourcc(pb, "qt ");
2567 avio_wb32(pb, minor);
2569 if(mov->mode == MODE_MOV)
2570 ffio_wfourcc(pb, "qt ");
2571 else if (mov->mode == MODE_ISM) {
2572 ffio_wfourcc(pb, "piff");
2573 ffio_wfourcc(pb, "iso2");
2575 ffio_wfourcc(pb, "isom");
2576 ffio_wfourcc(pb, "iso2");
2578 ffio_wfourcc(pb, "avc1");
2581 if (mov->mode == MODE_3GP)
2582 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
2583 else if (mov->mode & MODE_3G2)
2584 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
2585 else if (mov->mode == MODE_PSP)
2586 ffio_wfourcc(pb, "MSNV");
2587 else if (mov->mode == MODE_MP4)
2588 ffio_wfourcc(pb, "mp41");
2589 return update_size(pb, pos);
2592 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
2594 AVCodecContext *video_codec = s->streams[0]->codec;
2595 AVCodecContext *audio_codec = s->streams[1]->codec;
2596 int audio_rate = audio_codec->sample_rate;
2597 int frame_rate = ((video_codec->time_base.den) * (0x10000))/ (video_codec->time_base.num);
2598 int audio_kbitrate = audio_codec->bit_rate / 1000;
2599 int video_kbitrate = FFMIN(video_codec->bit_rate / 1000, 800 - audio_kbitrate);
2601 avio_wb32(pb, 0x94); /* size */
2602 ffio_wfourcc(pb, "uuid");
2603 ffio_wfourcc(pb, "PROF");
2605 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2606 avio_wb32(pb, 0xbb88695c);
2607 avio_wb32(pb, 0xfac9c740);
2609 avio_wb32(pb, 0x0); /* ? */
2610 avio_wb32(pb, 0x3); /* 3 sections ? */
2612 avio_wb32(pb, 0x14); /* size */
2613 ffio_wfourcc(pb, "FPRF");
2614 avio_wb32(pb, 0x0); /* ? */
2615 avio_wb32(pb, 0x0); /* ? */
2616 avio_wb32(pb, 0x0); /* ? */
2618 avio_wb32(pb, 0x2c); /* size */
2619 ffio_wfourcc(pb, "APRF");/* audio */
2621 avio_wb32(pb, 0x2); /* TrackID */
2622 ffio_wfourcc(pb, "mp4a");
2623 avio_wb32(pb, 0x20f);
2625 avio_wb32(pb, audio_kbitrate);
2626 avio_wb32(pb, audio_kbitrate);
2627 avio_wb32(pb, audio_rate);
2628 avio_wb32(pb, audio_codec->channels);
2630 avio_wb32(pb, 0x34); /* size */
2631 ffio_wfourcc(pb, "VPRF"); /* video */
2633 avio_wb32(pb, 0x1); /* TrackID */
2634 if (video_codec->codec_id == CODEC_ID_H264) {
2635 ffio_wfourcc(pb, "avc1");
2636 avio_wb16(pb, 0x014D);
2637 avio_wb16(pb, 0x0015);
2639 ffio_wfourcc(pb, "mp4v");
2640 avio_wb16(pb, 0x0000);
2641 avio_wb16(pb, 0x0103);
2644 avio_wb32(pb, video_kbitrate);
2645 avio_wb32(pb, video_kbitrate);
2646 avio_wb32(pb, frame_rate);
2647 avio_wb32(pb, frame_rate);
2648 avio_wb16(pb, video_codec->width);
2649 avio_wb16(pb, video_codec->height);
2650 avio_wb32(pb, 0x010001); /* ? */
2653 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
2656 int i, closed_gop = 0;
2658 for (i = 0; i < pkt->size - 4; i++) {
2659 c = (c<<8) + pkt->data[i];
2660 if (c == 0x1b8) { // gop
2661 closed_gop = pkt->data[i+4]>>6 & 0x01;
2662 } else if (c == 0x100) { // pic
2663 int temp_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
2664 if (!temp_ref || closed_gop) // I picture is not reordered
2665 *flags = MOV_SYNC_SAMPLE;
2667 *flags = MOV_PARTIAL_SYNC_SAMPLE;
2674 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk, int fragment)
2676 const uint8_t *start, *next, *end = pkt->data + pkt->size;
2677 int seq = 0, entry = 0;
2678 int key = pkt->flags & AV_PKT_FLAG_KEY;
2679 start = find_next_marker(pkt->data, end);
2680 for (next = start; next < end; start = next) {
2681 next = find_next_marker(start + 4, end);
2682 switch (AV_RB32(start)) {
2683 case VC1_CODE_SEQHDR:
2686 case VC1_CODE_ENTRYPOINT:
2689 case VC1_CODE_SLICE:
2690 trk->vc1_info.slices = 1;
2694 if (!trk->entry && !fragment) {
2695 /* First packet in first fragment */
2696 trk->vc1_info.first_packet_seq = seq;
2697 trk->vc1_info.first_packet_entry = entry;
2698 } else if ((seq && !trk->vc1_info.packet_seq) ||
2699 (entry && !trk->vc1_info.packet_entry)) {
2701 for (i = 0; i < trk->entry; i++)
2702 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
2703 trk->has_keyframes = 0;
2705 trk->vc1_info.packet_seq = 1;
2707 trk->vc1_info.packet_entry = 1;
2709 /* First fragment */
2710 if ((!seq || trk->vc1_info.first_packet_seq) &&
2711 (!entry || trk->vc1_info.first_packet_entry)) {
2712 /* First packet had the same headers as this one, readd the
2713 * sync sample flag. */
2714 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
2715 trk->has_keyframes = 1;
2719 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
2721 else if (trk->vc1_info.packet_seq)
2723 else if (trk->vc1_info.packet_entry)
2726 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
2727 trk->has_keyframes++;
2731 static int mov_flush_fragment(AVFormatContext *s)
2733 MOVMuxContext *mov = s->priv_data;
2734 int i, first_track = -1;
2735 int64_t mdat_size = 0;
2737 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
2740 if (!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV) && mov->fragments == 0) {
2741 int64_t pos = avio_tell(s->pb);
2743 for (i = 0; i < mov->nb_streams; i++)
2744 if (!mov->tracks[i].entry)
2746 /* Don't write the initial moov unless all tracks have data */
2747 if (i < mov->nb_streams)
2749 avio_seek(s->pb, mov->mdat_pos, SEEK_SET);
2750 avio_wb32(s->pb, mov->mdat_size + 8);
2751 avio_seek(s->pb, pos, SEEK_SET);
2752 mov_write_moov_tag(s->pb, mov, s);
2755 for (i = 0; i < mov->nb_streams; i++) {
2756 if (mov->tracks[i].entry)
2757 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
2758 mov->tracks[i].track_duration -
2759 mov->tracks[i].cluster[0].dts;
2760 mov->tracks[i].entry = 0;
2766 for (i = 0; i < mov->nb_streams; i++) {
2767 MOVTrack *track = &mov->tracks[i];
2768 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF)
2769 track->data_offset = 0;
2771 track->data_offset = mdat_size;
2772 if (!track->mdat_buf)
2774 mdat_size += avio_tell(track->mdat_buf);
2775 if (first_track < 0)
2782 for (i = 0; i < mov->nb_streams; i++) {
2783 MOVTrack *track = &mov->tracks[i];
2784 int buf_size, write_moof = 1, moof_tracks = -1;
2786 int64_t duration = 0;
2789 duration = track->start_dts + track->track_duration -
2790 track->cluster[0].dts;
2791 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
2792 if (!track->mdat_buf)
2794 mdat_size = avio_tell(track->mdat_buf);
2797 write_moof = i == first_track;
2801 MOVFragmentInfo *info;
2803 track->nb_frag_info++;
2804 track->frag_info = av_realloc(track->frag_info,
2805 sizeof(*track->frag_info) *
2806 track->nb_frag_info);
2807 info = &track->frag_info[track->nb_frag_info - 1];
2808 info->offset = avio_tell(s->pb);
2809 info->time = mov->tracks[i].frag_start;
2810 info->duration = duration;
2811 mov_write_tfrf_tags(s->pb, mov, track);
2813 mov_write_moof_tag(s->pb, mov, moof_tracks);
2814 info->tfrf_offset = track->tfrf_offset;
2817 avio_wb32(s->pb, mdat_size + 8);
2818 ffio_wfourcc(s->pb, "mdat");
2822 track->frag_start += duration;
2824 if (!track->mdat_buf)
2826 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
2827 track->mdat_buf = NULL;
2829 avio_write(s->pb, buf, buf_size);
2839 static int mov_write_packet_internal(AVFormatContext *s, AVPacket *pkt)
2841 MOVMuxContext *mov = s->priv_data;
2842 AVIOContext *pb = s->pb;
2843 MOVTrack *trk = &mov->tracks[pkt->stream_index];
2844 AVCodecContext *enc = trk->enc;
2845 unsigned int samples_in_chunk = 0;
2846 int size= pkt->size;
2847 uint8_t *reformatted_data = NULL;
2849 if (!s->pb->seekable && !(mov->flags & FF_MOV_FLAG_EMPTY_MOOV))
2850 return 0; /* Can't handle that */
2852 if (!size) return 0; /* Discard 0 sized packets */
2854 if ((mov->max_fragment_duration && trk->entry &&
2855 av_rescale_q(pkt->dts - trk->cluster[0].dts,
2856 s->streams[pkt->stream_index]->time_base,
2857 AV_TIME_BASE_Q) >= mov->max_fragment_duration) ||
2858 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
2859 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
2860 enc->codec_type == AVMEDIA_TYPE_VIDEO &&
2861 trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) {
2862 mov_flush_fragment(s);
2865 if (mov->flags & FF_MOV_FLAG_FRAGMENT && mov->fragments > 0) {
2866 if (!trk->mdat_buf) {
2868 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
2874 if (enc->codec_id == CODEC_ID_AMR_NB) {
2875 /* We must find out how many AMR blocks there are in one packet */
2876 static uint16_t packed_size[16] =
2877 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
2880 while (len < size && samples_in_chunk < 100) {
2881 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
2884 if (samples_in_chunk > 1) {
2885 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
2888 } else if (enc->codec_id == CODEC_ID_ADPCM_MS ||
2889 enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
2890 samples_in_chunk = enc->frame_size;
2891 } else if (trk->sample_size)
2892 samples_in_chunk = size / trk->sample_size;
2894 samples_in_chunk = 1;
2896 /* copy extradata if it exists */
2897 if (trk->vos_len == 0 && enc->extradata_size > 0) {
2898 trk->vos_len = enc->extradata_size;
2899 trk->vos_data = av_malloc(trk->vos_len);
2900 memcpy(trk->vos_data, enc->extradata, trk->vos_len);
2903 if (enc->codec_id == CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1) {
2904 /* from x264 or from bytestream h264 */
2905 /* nal reformating needed */
2906 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
2907 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
2909 avio_write(pb, reformatted_data, size);
2911 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
2913 } else if (enc->codec_id == CODEC_ID_AAC && pkt->size > 2 &&
2914 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
2915 av_log(s, AV_LOG_ERROR, "malformated aac bitstream, use -absf aac_adtstoasc\n");
2918 avio_write(pb, pkt->data, size);
2921 if ((enc->codec_id == CODEC_ID_DNXHD ||
2922 enc->codec_id == CODEC_ID_AC3) && !trk->vos_len) {
2923 /* copy frame to create needed atoms */
2924 trk->vos_len = size;
2925 trk->vos_data = av_malloc(size);
2927 return AVERROR(ENOMEM);
2928 memcpy(trk->vos_data, pkt->data, size);
2931 if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
2932 trk->cluster = av_realloc_f(trk->cluster, sizeof(*trk->cluster), (trk->entry + MOV_INDEX_CLUSTER_SIZE));
2937 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
2938 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
2939 trk->cluster[trk->entry].chunkNum = 0;
2940 trk->cluster[trk->entry].size = size;
2941 trk->cluster[trk->entry].entries = samples_in_chunk;
2942 trk->cluster[trk->entry].dts = pkt->dts;
2943 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
2944 /* First packet of a new fragment. We already wrote the duration
2945 * of the last packet of the previous fragment based on track_duration,
2946 * which might not exactly match our dts. Therefore adjust the dts
2947 * of this packet to be what the previous packets duration implies. */
2948 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
2950 if (trk->start_dts == AV_NOPTS_VALUE)
2951 trk->start_dts = pkt->dts;
2952 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
2954 if (pkt->pts == AV_NOPTS_VALUE) {
2955 av_log(s, AV_LOG_WARNING, "pts has no value\n");
2956 pkt->pts = pkt->dts;
2958 if (pkt->dts != pkt->pts)
2959 trk->flags |= MOV_TRACK_CTTS;
2960 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
2961 trk->cluster[trk->entry].flags = 0;
2962 if (enc->codec_id == CODEC_ID_VC1) {
2963 mov_parse_vc1_frame(pkt, trk, mov->fragments);
2964 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
2965 if (mov->mode == MODE_MOV && enc->codec_id == CODEC_ID_MPEG2VIDEO &&
2966 trk->entry > 0) { // force sync sample for the first key frame
2967 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
2968 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
2969 trk->flags |= MOV_TRACK_STPS;
2971 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
2973 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
2974 trk->has_keyframes++;
2977 trk->sample_count += samples_in_chunk;
2978 mov->mdat_size += size;
2982 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
2983 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
2984 reformatted_data, size);
2985 av_free(reformatted_data);
2989 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
2992 mov_flush_fragment(s);
2995 return mov_write_packet_internal(s, pkt);
2999 // QuickTime chapters involve an additional text track with the chapter names
3000 // as samples, and a tref pointing from the other tracks to the chapter one.
3001 static void mov_create_chapter_track(AVFormatContext *s, int tracknum)
3003 MOVMuxContext *mov = s->priv_data;
3004 MOVTrack *track = &mov->tracks[tracknum];
3005 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
3008 track->mode = mov->mode;
3009 track->tag = MKTAG('t','e','x','t');
3010 track->timescale = MOV_TIMESCALE;
3011 track->enc = avcodec_alloc_context3(NULL);
3012 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3014 for (i = 0; i < s->nb_chapters; i++) {
3015 AVChapter *c = s->chapters[i];
3016 AVDictionaryEntry *t;
3018 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
3019 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
3020 pkt.duration = end - pkt.dts;
3022 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3023 len = strlen(t->value);
3025 pkt.data = av_malloc(pkt.size);
3026 AV_WB16(pkt.data, len);
3027 memcpy(pkt.data+2, t->value, len);
3028 ff_mov_write_packet(s, &pkt);
3029 av_freep(&pkt.data);
3034 static int mov_write_header(AVFormatContext *s)
3036 AVIOContext *pb = s->pb;
3037 MOVMuxContext *mov = s->priv_data;
3038 AVDictionaryEntry *t;
3039 int i, hint_track = 0;
3041 /* Non-seekable output is ok if EMPTY_MOOV is set, or if using the ismv
3042 * format (which sets EMPTY_MOOV later in this function). If ism_lookahead
3043 * is enabled, we don't support non-seekable output at all. */
3044 if (!s->pb->seekable &&
3045 ((!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV) &&
3046 !(s->oformat && !strcmp(s->oformat->name, "ismv")))
3047 || mov->ism_lookahead)) {
3048 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
3052 /* Default mode == MP4 */
3053 mov->mode = MODE_MP4;
3055 if (s->oformat != NULL) {
3056 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
3057 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
3058 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
3059 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
3060 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
3061 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
3063 mov_write_ftyp_tag(pb,s);
3064 if (mov->mode == MODE_PSP) {
3065 if (s->nb_streams != 2) {
3066 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
3069 mov_write_uuidprof_tag(pb,s);
3073 mov->nb_streams = s->nb_streams;
3074 if (mov->mode & (MODE_MOV|MODE_IPOD) && s->nb_chapters)
3075 mov->chapter_track = mov->nb_streams++;
3077 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3078 /* Add hint tracks for each audio and video stream */
3079 hint_track = mov->nb_streams;
3080 for (i = 0; i < s->nb_streams; i++) {
3081 AVStream *st = s->streams[i];
3082 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3083 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3089 mov->tracks = av_mallocz(mov->nb_streams*sizeof(*mov->tracks));
3091 return AVERROR(ENOMEM);
3093 for(i=0; i<s->nb_streams; i++){
3094 AVStream *st= s->streams[i];
3095 MOVTrack *track= &mov->tracks[i];
3096 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
3098 track->enc = st->codec;
3099 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
3100 if (track->language < 0)
3101 track->language = 0;
3102 track->mode = mov->mode;
3103 track->tag = mov_find_codec_tag(s, track);
3105 av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
3106 "codec not currently supported in container\n", i);
3109 /* If hinting of this track is enabled by a later hint track,
3110 * this is updated. */
3111 track->hint_track = -1;
3112 track->start_dts = AV_NOPTS_VALUE;
3113 if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
3114 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
3115 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
3116 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
3117 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
3118 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
3121 track->height = track->tag>>24 == 'n' ? 486 : 576;
3123 track->timescale = st->codec->time_base.den;
3124 if (track->mode == MODE_MOV && track->timescale > 100000)
3125 av_log(s, AV_LOG_WARNING,
3126 "WARNING codec timebase is very high. If duration is too long,\n"
3127 "file may not be playable by quicktime. Specify a shorter timebase\n"
3128 "or choose different container.\n");
3129 }else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
3130 track->timescale = st->codec->sample_rate;
3131 if(!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
3132 av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
3134 }else if(st->codec->codec_id == CODEC_ID_ADPCM_MS ||
3135 st->codec->codec_id == CODEC_ID_ADPCM_IMA_WAV){
3136 if (!st->codec->block_align) {
3137 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
3140 track->sample_size = st->codec->block_align;
3141 }else if(st->codec->frame_size > 1){ /* assume compressed audio */
3142 track->audio_vbr = 1;
3144 track->sample_size = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
3146 if (track->mode != MODE_MOV) {
3147 if (track->timescale > UINT16_MAX) {
3148 av_log(s, AV_LOG_ERROR, "track %d: output format does not support "
3149 "sample rate %dhz\n", i, track->timescale);
3152 if (track->enc->codec_id == CODEC_ID_MP3 && track->timescale < 16000) {
3153 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
3154 i, track->enc->sample_rate);
3158 }else if(st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE){
3159 track->timescale = st->codec->time_base.den;
3162 track->height = st->codec->height;
3163 /* The ism specific timescale isn't mandatory, but is assumed by
3164 * some tools, such as mp4split. */
3165 if (mov->mode == MODE_ISM)
3166 track->timescale = 10000000;
3168 avpriv_set_pts_info(st, 64, 1, track->timescale);
3170 /* copy extradata if it exists */
3171 if (st->codec->extradata_size) {
3172 track->vos_len = st->codec->extradata_size;
3173 track->vos_data = av_malloc(track->vos_len);
3174 memcpy(track->vos_data, st->codec->extradata, track->vos_len);
3178 if (mov->mode == MODE_ISM) {
3179 /* If no fragmentation options have been set, set a default. */
3180 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
3181 FF_MOV_FLAG_FRAG_CUSTOM)) &&
3182 !mov->max_fragment_duration && !mov->max_fragment_size)
3183 mov->max_fragment_duration = 5000000;
3184 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF;
3187 if(mov->reserved_moov_size){
3188 mov->reserved_moov_pos= avio_tell(pb);
3189 avio_skip(pb, mov->reserved_moov_size);
3192 /* Set the FRAGMENT flag if any of the fragmentation methods are
3194 if (mov->max_fragment_duration || mov->max_fragment_size ||
3195 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
3196 FF_MOV_FLAG_FRAG_KEYFRAME |
3197 FF_MOV_FLAG_FRAG_CUSTOM))
3198 mov->flags |= FF_MOV_FLAG_FRAGMENT;
3200 if (!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV))
3201 mov_write_mdat_tag(pb, mov);
3203 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
3204 mov->time = ff_iso8601_to_unix_time(t->value);
3206 mov->time += 0x7C25B080; // 1970 based -> 1904 based
3208 if (mov->chapter_track)
3209 mov_create_chapter_track(s, mov->chapter_track);
3211 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3212 /* Initialize the hint tracks for each audio and video stream */
3213 for (i = 0; i < s->nb_streams; i++) {
3214 AVStream *st = s->streams[i];
3215 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3216 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
3217 ff_mov_init_hinting(s, hint_track, i);
3225 if (mov->flags & FF_MOV_FLAG_ISML)
3226 mov_write_isml_manifest(pb, mov);
3228 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3229 mov_write_moov_tag(pb, mov, s);
3235 av_freep(&mov->tracks);
3239 static int mov_write_trailer(AVFormatContext *s)
3241 MOVMuxContext *mov = s->priv_data;
3242 AVIOContext *pb = s->pb;
3246 int64_t moov_pos = avio_tell(pb);
3248 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
3249 /* Write size of mdat tag */
3250 if (mov->mdat_size + 8 <= UINT32_MAX) {
3251 avio_seek(pb, mov->mdat_pos, SEEK_SET);
3252 avio_wb32(pb, mov->mdat_size + 8);
3254 /* overwrite 'wide' placeholder atom */
3255 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
3256 /* special value: real atom size will be 64 bit value after
3259 ffio_wfourcc(pb, "mdat");
3260 avio_wb64(pb, mov->mdat_size + 16);
3262 avio_seek(pb, mov->reserved_moov_size ? mov->reserved_moov_pos : moov_pos, SEEK_SET);
3264 mov_write_moov_tag(pb, mov, s);
3265 if(mov->reserved_moov_size){
3266 int64_t size= mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_moov_pos);
3268 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
3271 avio_wb32(pb, size);
3272 ffio_wfourcc(pb, "free");
3273 for(i=0; i<size; i++)
3275 avio_seek(pb, moov_pos, SEEK_SET);
3278 mov_flush_fragment(s);
3279 mov_write_mfra_tag(pb, mov);
3282 if (mov->chapter_track)
3283 av_freep(&mov->tracks[mov->chapter_track].enc);
3285 for (i=0; i<mov->nb_streams; i++) {
3286 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
3287 ff_mov_close_hinting(&mov->tracks[i]);
3288 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
3289 mov->tracks[i].vc1_info.struct_offset && s->pb->seekable) {
3290 int64_t off = avio_tell(pb);
3292 if (mov_write_dvc1_structs(&mov->tracks[i], buf) >= 0) {
3293 avio_seek(pb, mov->tracks[i].vc1_info.struct_offset, SEEK_SET);
3294 avio_write(pb, buf, 7);
3295 avio_seek(pb, off, SEEK_SET);
3298 av_freep(&mov->tracks[i].cluster);
3299 av_freep(&mov->tracks[i].frag_info);
3301 if (mov->tracks[i].vos_len)
3302 av_free(mov->tracks[i].vos_data);
3308 av_freep(&mov->tracks);
3313 #if CONFIG_MOV_MUXER
3315 AVOutputFormat ff_mov_muxer = {
3317 .long_name = NULL_IF_CONFIG_SMALL("MOV format"),
3318 .extensions = "mov",
3319 .priv_data_size = sizeof(MOVMuxContext),
3320 .audio_codec = CODEC_ID_AAC,
3321 #if CONFIG_LIBX264_ENCODER
3322 .video_codec = CODEC_ID_H264,
3324 .video_codec = CODEC_ID_MPEG4,
3326 .write_header = mov_write_header,
3327 .write_packet = ff_mov_write_packet,
3328 .write_trailer = mov_write_trailer,
3329 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3330 .codec_tag = (const AVCodecTag* const []){ff_codec_movvideo_tags, ff_codec_movaudio_tags, 0},
3331 .priv_class = &mov_muxer_class,
3334 #if CONFIG_TGP_MUXER
3336 AVOutputFormat ff_tgp_muxer = {
3338 .long_name = NULL_IF_CONFIG_SMALL("3GP format"),
3339 .extensions = "3gp",
3340 .priv_data_size = sizeof(MOVMuxContext),
3341 .audio_codec = CODEC_ID_AMR_NB,
3342 .video_codec = CODEC_ID_H263,
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 []){codec_3gp_tags, 0},
3348 .priv_class = &tgp_muxer_class,
3351 #if CONFIG_MP4_MUXER
3353 AVOutputFormat ff_mp4_muxer = {
3355 .long_name = NULL_IF_CONFIG_SMALL("MP4 format"),
3356 .mime_type = "application/mp4",
3357 .extensions = "mp4",
3358 .priv_data_size = sizeof(MOVMuxContext),
3359 .audio_codec = CODEC_ID_AAC,
3360 #if CONFIG_LIBX264_ENCODER
3361 .video_codec = CODEC_ID_H264,
3363 .video_codec = CODEC_ID_MPEG4,
3365 .write_header = mov_write_header,
3366 .write_packet = ff_mov_write_packet,
3367 .write_trailer = mov_write_trailer,
3368 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3369 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
3370 .priv_class = &mp4_muxer_class,
3373 #if CONFIG_PSP_MUXER
3375 AVOutputFormat ff_psp_muxer = {
3377 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 format"),
3378 .extensions = "mp4,psp",
3379 .priv_data_size = sizeof(MOVMuxContext),
3380 .audio_codec = CODEC_ID_AAC,
3381 #if CONFIG_LIBX264_ENCODER
3382 .video_codec = CODEC_ID_H264,
3384 .video_codec = CODEC_ID_MPEG4,
3386 .write_header = mov_write_header,
3387 .write_packet = ff_mov_write_packet,
3388 .write_trailer = mov_write_trailer,
3389 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3390 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
3391 .priv_class = &psp_muxer_class,
3394 #if CONFIG_TG2_MUXER
3396 AVOutputFormat ff_tg2_muxer = {
3398 .long_name = NULL_IF_CONFIG_SMALL("3GP2 format"),
3399 .extensions = "3g2",
3400 .priv_data_size = sizeof(MOVMuxContext),
3401 .audio_codec = CODEC_ID_AMR_NB,
3402 .video_codec = CODEC_ID_H263,
3403 .write_header = mov_write_header,
3404 .write_packet = ff_mov_write_packet,
3405 .write_trailer = mov_write_trailer,
3406 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3407 .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
3408 .priv_class = &tg2_muxer_class,
3411 #if CONFIG_IPOD_MUXER
3413 AVOutputFormat ff_ipod_muxer = {
3415 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"),
3416 .mime_type = "application/mp4",
3417 .extensions = "m4v,m4a",
3418 .priv_data_size = sizeof(MOVMuxContext),
3419 .audio_codec = CODEC_ID_AAC,
3420 .video_codec = CODEC_ID_H264,
3421 .write_header = mov_write_header,
3422 .write_packet = ff_mov_write_packet,
3423 .write_trailer = mov_write_trailer,
3424 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3425 .codec_tag = (const AVCodecTag* const []){codec_ipod_tags, 0},
3426 .priv_class = &ipod_muxer_class,
3429 #if CONFIG_ISMV_MUXER
3431 AVOutputFormat ff_ismv_muxer = {
3433 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming) format"),
3434 .mime_type = "application/mp4",
3435 .extensions = "ismv,isma",
3436 .priv_data_size = sizeof(MOVMuxContext),
3437 .audio_codec = CODEC_ID_AAC,
3438 .video_codec = CODEC_ID_H264,
3439 .write_header = mov_write_header,
3440 .write_packet = ff_mov_write_packet,
3441 .write_trailer = mov_write_trailer,
3442 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
3443 .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
3444 .priv_class = &ismv_muxer_class,