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
29 #include "avio_internal.h"
34 #include "libavcodec/ac3_parser.h"
35 #include "libavcodec/get_bits.h"
36 #include "libavcodec/put_bits.h"
37 #include "libavcodec/vc1_common.h"
38 #include "libavcodec/raw.h"
40 #include "libavutil/avstring.h"
41 #include "libavutil/intfloat.h"
42 #include "libavutil/mathematics.h"
43 #include "libavutil/opt.h"
44 #include "libavutil/dict.h"
45 #include "libavutil/pixdesc.h"
46 #include "libavutil/timecode.h"
54 static const AVOption options[] = {
55 { "movflags", "MOV muxer flags", offsetof(MOVMuxContext, flags), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
56 { "rtphint", "Add RTP hint tracks", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_RTP_HINT}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
57 { "moov_size", "maximum moov size so it can be placed at the begin", offsetof(MOVMuxContext, reserved_moov_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, 0 },
58 { "empty_moov", "Make the initial moov atom empty (not supported by QuickTime)", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_EMPTY_MOOV}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
59 { "frag_keyframe", "Fragment at video keyframes", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FRAG_KEYFRAME}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
60 { "separate_moof", "Write separate moof/mdat atoms for each track", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_SEPARATE_MOOF}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
61 { "frag_custom", "Flush fragments on caller requests", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FRAG_CUSTOM}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
62 { "isml", "Create a live smooth streaming feed (for pushing to a publishing point)", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_ISML}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
63 { "faststart", "Run a second pass to put the index (moov atom) at the beginning of the file", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FASTSTART}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
64 { "omit_tfhd_offset", "Omit the base data offset in tfhd atoms", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_OMIT_TFHD_OFFSET}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
65 { "disable_chpl", "Disable Nero chapter atom", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_DISABLE_CHPL}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
66 FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
67 { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_INT, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
68 { "iods_audio_profile", "iods audio profile atom.", offsetof(MOVMuxContext, iods_audio_profile), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM},
69 { "iods_video_profile", "iods video profile atom.", offsetof(MOVMuxContext, iods_video_profile), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM},
70 { "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
71 { "min_frag_duration", "Minimum fragment duration", offsetof(MOVMuxContext, min_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
72 { "frag_size", "Maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
73 { "ism_lookahead", "Number of lookahead entries for ISM files", offsetof(MOVMuxContext, ism_lookahead), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
74 { "use_editlist", "use edit list", offsetof(MOVMuxContext, use_editlist), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM},
75 { "video_track_timescale", "set timescale of all video tracks", offsetof(MOVMuxContext, video_track_timescale), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
76 { "brand", "Override major brand", offsetof(MOVMuxContext, major_brand), AV_OPT_TYPE_STRING, {.str = NULL}, .flags = AV_OPT_FLAG_ENCODING_PARAM },
80 #define MOV_CLASS(flavor)\
81 static const AVClass flavor ## _muxer_class = {\
82 .class_name = #flavor " muxer",\
83 .item_name = av_default_item_name,\
85 .version = LIBAVUTIL_VERSION_INT,\
88 static int get_moov_size(AVFormatContext *s);
90 static int utf8len(const uint8_t *b)
95 GET_UTF8(val, *b++, return -1;)
101 //FIXME support 64 bit variant with wide placeholders
102 static int64_t update_size(AVIOContext *pb, int64_t pos)
104 int64_t curpos = avio_tell(pb);
105 avio_seek(pb, pos, SEEK_SET);
106 avio_wb32(pb, curpos - pos); /* rewrite size */
107 avio_seek(pb, curpos, SEEK_SET);
112 static int supports_edts(MOVMuxContext *mov)
114 // EDTS with fragments is tricky as we don't know the duration when its written
115 return (mov->use_editlist<0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) || mov->use_editlist>0;
118 static int co64_required(const MOVTrack *track)
120 if (track->entry > 0 && track->cluster[track->entry - 1].pos + track->data_offset > UINT32_MAX)
125 /* Chunk offset atom */
126 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
129 int mode64 = co64_required(track); // use 32 bit size variant if possible
130 int64_t pos = avio_tell(pb);
131 avio_wb32(pb, 0); /* size */
133 ffio_wfourcc(pb, "co64");
135 ffio_wfourcc(pb, "stco");
136 avio_wb32(pb, 0); /* version & flags */
137 avio_wb32(pb, track->chunkCount); /* entry count */
138 for (i = 0; i < track->entry; i++) {
139 if (!track->cluster[i].chunkNum)
142 avio_wb64(pb, track->cluster[i].pos + track->data_offset);
144 avio_wb32(pb, track->cluster[i].pos + track->data_offset);
146 return update_size(pb, pos);
149 /* Sample size atom */
150 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
153 int i, j, entries = 0, tst = -1, oldtst = -1;
155 int64_t pos = avio_tell(pb);
156 avio_wb32(pb, 0); /* size */
157 ffio_wfourcc(pb, "stsz");
158 avio_wb32(pb, 0); /* version & flags */
160 for (i = 0; i < track->entry; i++) {
161 tst = track->cluster[i].size / track->cluster[i].entries;
162 if (oldtst != -1 && tst != oldtst)
165 entries += track->cluster[i].entries;
167 if (equalChunks && track->entry) {
168 int sSize = track->entry ? track->cluster[0].size / track->cluster[0].entries : 0;
169 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
170 avio_wb32(pb, sSize); // sample size
171 avio_wb32(pb, entries); // sample count
173 avio_wb32(pb, 0); // sample size
174 avio_wb32(pb, entries); // sample count
175 for (i = 0; i < track->entry; i++) {
176 for (j = 0; j < track->cluster[i].entries; j++) {
177 avio_wb32(pb, track->cluster[i].size /
178 track->cluster[i].entries);
182 return update_size(pb, pos);
185 /* Sample to chunk atom */
186 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
188 int index = 0, oldval = -1, i;
189 int64_t entryPos, curpos;
191 int64_t pos = avio_tell(pb);
192 avio_wb32(pb, 0); /* size */
193 ffio_wfourcc(pb, "stsc");
194 avio_wb32(pb, 0); // version & flags
195 entryPos = avio_tell(pb);
196 avio_wb32(pb, track->chunkCount); // entry count
197 for (i = 0; i < track->entry; i++) {
198 if (oldval != track->cluster[i].samples_in_chunk && track->cluster[i].chunkNum) {
199 avio_wb32(pb, track->cluster[i].chunkNum); // first chunk
200 avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
201 avio_wb32(pb, 0x1); // sample description index
202 oldval = track->cluster[i].samples_in_chunk;
206 curpos = avio_tell(pb);
207 avio_seek(pb, entryPos, SEEK_SET);
208 avio_wb32(pb, index); // rewrite size
209 avio_seek(pb, curpos, SEEK_SET);
211 return update_size(pb, pos);
214 /* Sync sample atom */
215 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
217 int64_t curpos, entryPos;
219 int64_t pos = avio_tell(pb);
220 avio_wb32(pb, 0); // size
221 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
222 avio_wb32(pb, 0); // version & flags
223 entryPos = avio_tell(pb);
224 avio_wb32(pb, track->entry); // entry count
225 for (i = 0; i < track->entry; i++) {
226 if (track->cluster[i].flags & flag) {
227 avio_wb32(pb, i + 1);
231 curpos = avio_tell(pb);
232 avio_seek(pb, entryPos, SEEK_SET);
233 avio_wb32(pb, index); // rewrite size
234 avio_seek(pb, curpos, SEEK_SET);
235 return update_size(pb, pos);
238 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
240 avio_wb32(pb, 0x11); /* size */
241 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
242 else ffio_wfourcc(pb, "damr");
243 ffio_wfourcc(pb, "FFMP");
244 avio_w8(pb, 0); /* decoder version */
246 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
247 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
248 avio_w8(pb, 0x01); /* Frames per sample */
252 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
257 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
259 if (track->vos_len < 7)
263 ffio_wfourcc(pb, "dac3");
265 init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
266 fscod = get_bits(&gbc, 2);
267 frmsizecod = get_bits(&gbc, 6);
268 bsid = get_bits(&gbc, 5);
269 bsmod = get_bits(&gbc, 3);
270 acmod = get_bits(&gbc, 3);
272 skip_bits(&gbc, 2); // dsurmod
274 if ((acmod & 1) && acmod != 1)
275 skip_bits(&gbc, 2); // cmixlev
277 skip_bits(&gbc, 2); // surmixlev
279 lfeon = get_bits1(&gbc);
281 init_put_bits(&pbc, buf, sizeof(buf));
282 put_bits(&pbc, 2, fscod);
283 put_bits(&pbc, 5, bsid);
284 put_bits(&pbc, 3, bsmod);
285 put_bits(&pbc, 3, acmod);
286 put_bits(&pbc, 1, lfeon);
287 put_bits(&pbc, 5, frmsizecod >> 1); // bit_rate_code
288 put_bits(&pbc, 5, 0); // reserved
290 flush_put_bits(&pbc);
291 avio_write(pb, buf, sizeof(buf));
299 /* Layout of the EC3SpecificBox */
300 /* maximum bitrate */
302 /* number of independent substreams */
305 /* sample rate code (see ff_ac3_sample_rate_tab) 2 bits */
307 /* bit stream identification 5 bits */
309 /* one bit reserved */
310 /* audio service mixing (not supported yet) 1 bit */
311 /* bit stream mode 3 bits */
313 /* audio coding mode 3 bits */
315 /* sub woofer on 1 bit */
317 /* 3 bits reserved */
318 /* number of dependent substreams associated with this substream 4 bits */
320 /* channel locations of the dependent substream(s), if any, 9 bits */
322 /* if there is no dependent substream, then one bit reserved instead */
323 } substream[1]; /* TODO: support 8 independent substreams */
326 static int handle_eac3(MOVMuxContext *mov, AVPacket *pkt, MOVTrack *track)
329 AC3HeaderInfo tmp, *hdr = &tmp;
330 struct eac3_info *info;
333 if (!track->eac3_priv && !(track->eac3_priv = av_mallocz(sizeof(*info))))
334 return AVERROR(ENOMEM);
335 info = track->eac3_priv;
337 init_get_bits(&gbc, pkt->data, pkt->size * 8);
338 if (avpriv_ac3_parse_header2(&gbc, &hdr) < 0) {
339 /* drop the packets until we see a good one */
341 av_log(mov, AV_LOG_WARNING, "Dropping invalid packet from start of the stream\n");
344 return AVERROR_INVALIDDATA;
347 info->data_rate = FFMAX(info->data_rate, hdr->bit_rate / 1000);
348 num_blocks = hdr->num_blocks;
350 if (!info->ec3_done) {
351 /* AC-3 substream must be the first one */
352 if (hdr->bitstream_id <= 10 && hdr->substreamid != 0)
353 return AVERROR(EINVAL);
355 /* this should always be the case, given that our AC-3 parser
356 * concatenates dependent frames to their independent parent */
357 if (hdr->frame_type == EAC3_FRAME_TYPE_INDEPENDENT) {
358 /* substream ids must be incremental */
359 if (hdr->substreamid > info->num_ind_sub + 1)
360 return AVERROR(EINVAL);
362 if (hdr->substreamid == info->num_ind_sub + 1) {
363 //info->num_ind_sub++;
364 avpriv_request_sample(track->enc, "Multiple independent substreams");
365 return AVERROR_PATCHWELCOME;
366 } else if (hdr->substreamid < info->num_ind_sub ||
367 hdr->substreamid == 0 && info->substream[0].bsid) {
373 /* fill the info needed for the "dec3" atom */
374 info->substream[hdr->substreamid].fscod = hdr->sr_code;
375 info->substream[hdr->substreamid].bsid = hdr->bitstream_id;
376 info->substream[hdr->substreamid].bsmod = hdr->bitstream_mode;
377 info->substream[hdr->substreamid].acmod = hdr->channel_mode;
378 info->substream[hdr->substreamid].lfeon = hdr->lfe_on;
380 /* Parse dependent substream(s), if any */
381 if (pkt->size != hdr->frame_size) {
382 int cumul_size = hdr->frame_size;
383 int parent = hdr->substreamid;
385 while (cumul_size != pkt->size) {
387 init_get_bits(&gbc, pkt->data + cumul_size, (pkt->size - cumul_size) * 8);
388 if (avpriv_ac3_parse_header2(&gbc, &hdr) < 0)
389 return AVERROR_INVALIDDATA;
390 if (hdr->frame_type != EAC3_FRAME_TYPE_DEPENDENT)
391 return AVERROR(EINVAL);
392 cumul_size += hdr->frame_size;
393 info->substream[parent].num_dep_sub++;
395 /* header is parsed up to lfeon, but custom channel map may be needed */
398 /* skip volume control params */
399 for (i = 0; i < (hdr->channel_mode ? 1 : 2); i++) {
400 skip_bits(&gbc, 5); // skip dialog normalization
401 if (get_bits1(&gbc)) {
402 skip_bits(&gbc, 8); // skip compression gain word
405 /* get the dependent stream channel map, if exists */
407 info->substream[parent].chan_loc |= (get_bits(&gbc, 16) >> 5) & 0x1f;
409 info->substream[parent].chan_loc |= hdr->channel_mode;
414 /* TODO: concatenate syncframes to have 6 blocks per entry */
416 if (num_blocks != 6) {
417 avpriv_request_sample(track->enc, "%d block(s) in syncframe", num_blocks);
418 return AVERROR_PATCHWELCOME;
424 static int mov_write_eac3_tag(AVIOContext *pb, MOVTrack *track)
428 struct eac3_info *info;
431 if (!track->eac3_priv)
432 return AVERROR(EINVAL);
434 info = track->eac3_priv;
435 size = 2 + 4 * (info->num_ind_sub + 1);
436 buf = av_malloc(size);
438 av_freep(&track->eac3_priv);
439 return AVERROR(ENOMEM);
442 init_put_bits(&pbc, buf, size);
443 put_bits(&pbc, 13, info->data_rate);
444 put_bits(&pbc, 3, info->num_ind_sub);
445 for (i = 0; i <= info->num_ind_sub; i++) {
446 put_bits(&pbc, 2, info->substream[i].fscod);
447 put_bits(&pbc, 5, info->substream[i].bsid);
448 put_bits(&pbc, 1, 0); /* reserved */
449 put_bits(&pbc, 1, 0); /* asvc */
450 put_bits(&pbc, 3, info->substream[i].bsmod);
451 put_bits(&pbc, 3, info->substream[i].acmod);
452 put_bits(&pbc, 1, info->substream[i].lfeon);
453 put_bits(&pbc, 5, 0); /* reserved */
454 put_bits(&pbc, 4, info->substream[i].num_dep_sub);
455 if (!info->substream[i].num_dep_sub) {
456 put_bits(&pbc, 1, 0); /* reserved */
459 put_bits(&pbc, 9, info->substream[i].chan_loc);
462 flush_put_bits(&pbc);
464 avio_wb32(pb, size + 8);
465 ffio_wfourcc(pb, "dec3");
466 avio_write(pb, buf, size);
469 av_freep(&track->eac3_priv);
475 * This function writes extradata "as is".
476 * Extradata must be formatted like a valid atom (with size and tag).
478 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
480 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
481 return track->enc->extradata_size;
484 static int mov_write_enda_tag(AVIOContext *pb)
487 ffio_wfourcc(pb, "enda");
488 avio_wb16(pb, 1); /* little endian */
492 static int mov_write_enda_tag_be(AVIOContext *pb)
495 ffio_wfourcc(pb, "enda");
496 avio_wb16(pb, 0); /* big endian */
500 static void put_descr(AVIOContext *pb, int tag, unsigned int size)
505 avio_w8(pb, (size >> (7 * i)) | 0x80);
506 avio_w8(pb, size & 0x7F);
509 static unsigned compute_avg_bitrate(MOVTrack *track)
513 if (!track->track_duration)
515 for (i = 0; i < track->entry; i++)
516 size += track->cluster[i].size;
517 return size * 8 * track->timescale / track->track_duration;
520 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
522 int64_t pos = avio_tell(pb);
523 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
524 unsigned avg_bitrate;
526 avio_wb32(pb, 0); // size
527 ffio_wfourcc(pb, "esds");
528 avio_wb32(pb, 0); // Version
531 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
532 avio_wb16(pb, track->track_id);
533 avio_w8(pb, 0x00); // flags (= no flags)
535 // DecoderConfig descriptor
536 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
538 // Object type indication
539 if ((track->enc->codec_id == AV_CODEC_ID_MP2 ||
540 track->enc->codec_id == AV_CODEC_ID_MP3) &&
541 track->enc->sample_rate > 24000)
542 avio_w8(pb, 0x6B); // 11172-3
544 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
546 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
547 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
548 if (track->enc->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
549 avio_w8(pb, (0x38 << 2) | 1); // flags (= NeroSubpicStream)
550 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
551 avio_w8(pb, 0x15); // flags (= Audiostream)
553 avio_w8(pb, 0x11); // flags (= Visualstream)
555 avio_wb24(pb, track->enc->rc_buffer_size >> 3); // Buffersize DB
557 avg_bitrate = compute_avg_bitrate(track);
558 // maxbitrate (FIXME should be max rate in any 1 sec window)
559 avio_wb32(pb, FFMAX3(track->enc->bit_rate, track->enc->rc_max_rate, avg_bitrate));
560 avio_wb32(pb, avg_bitrate);
562 if (track->vos_len) {
563 // DecoderSpecific info descriptor
564 put_descr(pb, 0x05, track->vos_len);
565 avio_write(pb, track->vos_data, track->vos_len);
569 put_descr(pb, 0x06, 1);
571 return update_size(pb, pos);
574 static int mov_pcm_le_gt16(enum AVCodecID codec_id)
576 return codec_id == AV_CODEC_ID_PCM_S24LE ||
577 codec_id == AV_CODEC_ID_PCM_S32LE ||
578 codec_id == AV_CODEC_ID_PCM_F32LE ||
579 codec_id == AV_CODEC_ID_PCM_F64LE;
582 static int mov_pcm_be_gt16(enum AVCodecID codec_id)
584 return codec_id == AV_CODEC_ID_PCM_S24BE ||
585 codec_id == AV_CODEC_ID_PCM_S32BE ||
586 codec_id == AV_CODEC_ID_PCM_F32BE ||
587 codec_id == AV_CODEC_ID_PCM_F64BE;
590 static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
593 int64_t pos = avio_tell(pb);
595 avio_wl32(pb, track->tag); // store it byteswapped
596 track->enc->codec_tag = av_bswap16(track->tag >> 16);
597 if ((ret = ff_put_wav_header(pb, track->enc, 0)) < 0)
599 return update_size(pb, pos);
602 static int mov_write_wfex_tag(AVIOContext *pb, MOVTrack *track)
605 int64_t pos = avio_tell(pb);
607 ffio_wfourcc(pb, "wfex");
608 if ((ret = ff_put_wav_header(pb, track->enc, FF_PUT_WAV_HEADER_FORCE_WAVEFORMATEX)) < 0)
610 return update_size(pb, pos);
613 static int mov_write_chan_tag(AVIOContext *pb, MOVTrack *track)
615 uint32_t layout_tag, bitmap;
616 int64_t pos = avio_tell(pb);
618 layout_tag = ff_mov_get_channel_layout_tag(track->enc->codec_id,
619 track->enc->channel_layout,
622 av_log(track->enc, AV_LOG_WARNING, "not writing 'chan' tag due to "
623 "lack of channel information\n");
627 if (track->multichannel_as_mono)
630 avio_wb32(pb, 0); // Size
631 ffio_wfourcc(pb, "chan"); // Type
632 avio_w8(pb, 0); // Version
633 avio_wb24(pb, 0); // Flags
634 avio_wb32(pb, layout_tag); // mChannelLayoutTag
635 avio_wb32(pb, bitmap); // mChannelBitmap
636 avio_wb32(pb, 0); // mNumberChannelDescriptions
638 return update_size(pb, pos);
641 static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
643 int64_t pos = avio_tell(pb);
645 avio_wb32(pb, 0); /* size */
646 ffio_wfourcc(pb, "wave");
648 if (track->enc->codec_id != AV_CODEC_ID_QDM2) {
649 avio_wb32(pb, 12); /* size */
650 ffio_wfourcc(pb, "frma");
651 avio_wl32(pb, track->tag);
654 if (track->enc->codec_id == AV_CODEC_ID_AAC) {
655 /* useless atom needed by mplayer, ipod, not needed by quicktime */
656 avio_wb32(pb, 12); /* size */
657 ffio_wfourcc(pb, "mp4a");
659 mov_write_esds_tag(pb, track);
660 } else if (mov_pcm_le_gt16(track->enc->codec_id)) {
661 mov_write_enda_tag(pb);
662 } else if (mov_pcm_be_gt16(track->enc->codec_id)) {
663 mov_write_enda_tag_be(pb);
664 } else if (track->enc->codec_id == AV_CODEC_ID_AMR_NB) {
665 mov_write_amr_tag(pb, track);
666 } else if (track->enc->codec_id == AV_CODEC_ID_AC3) {
667 mov_write_ac3_tag(pb, track);
668 } else if (track->enc->codec_id == AV_CODEC_ID_EAC3) {
669 mov_write_eac3_tag(pb, track);
670 } else if (track->enc->codec_id == AV_CODEC_ID_ALAC ||
671 track->enc->codec_id == AV_CODEC_ID_QDM2) {
672 mov_write_extradata_tag(pb, track);
673 } else if (track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
674 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
675 mov_write_ms_tag(pb, track);
678 avio_wb32(pb, 8); /* size */
679 avio_wb32(pb, 0); /* null tag */
681 return update_size(pb, pos);
684 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
687 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
688 int unescaped_size, seq_found = 0;
689 int level = 0, interlace = 0;
690 int packet_seq = track->vc1_info.packet_seq;
691 int packet_entry = track->vc1_info.packet_entry;
692 int slices = track->vc1_info.slices;
695 if (track->start_dts == AV_NOPTS_VALUE) {
696 /* No packets written yet, vc1_info isn't authoritative yet. */
697 /* Assume inline sequence and entry headers. This will be
698 * overwritten at the end if the file is seekable. */
699 packet_seq = packet_entry = 1;
702 unescaped = av_mallocz(track->vos_len + FF_INPUT_BUFFER_PADDING_SIZE);
704 return AVERROR(ENOMEM);
705 start = find_next_marker(track->vos_data, end);
706 for (next = start; next < end; start = next) {
709 next = find_next_marker(start + 4, end);
710 size = next - start - 4;
713 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
714 init_get_bits(&gb, unescaped, 8 * unescaped_size);
715 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
716 int profile = get_bits(&gb, 2);
717 if (profile != PROFILE_ADVANCED) {
719 return AVERROR(ENOSYS);
722 level = get_bits(&gb, 3);
723 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
725 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
726 skip_bits(&gb, 1); /* broadcast */
727 interlace = get_bits1(&gb);
728 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
733 return AVERROR(ENOSYS);
736 init_put_bits(&pbc, buf, 7);
737 /* VC1DecSpecStruc */
738 put_bits(&pbc, 4, 12); /* profile - advanced */
739 put_bits(&pbc, 3, level);
740 put_bits(&pbc, 1, 0); /* reserved */
741 /* VC1AdvDecSpecStruc */
742 put_bits(&pbc, 3, level);
743 put_bits(&pbc, 1, 0); /* cbr */
744 put_bits(&pbc, 6, 0); /* reserved */
745 put_bits(&pbc, 1, !interlace); /* no interlace */
746 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
747 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
748 put_bits(&pbc, 1, !slices); /* no slice code */
749 put_bits(&pbc, 1, 0); /* no bframe */
750 put_bits(&pbc, 1, 0); /* reserved */
753 if (track->st->avg_frame_rate.num > 0 && track->st->avg_frame_rate.den > 0)
754 put_bits32(&pbc, track->st->avg_frame_rate.num / track->st->avg_frame_rate.den);
756 put_bits32(&pbc, 0xffffffff);
758 flush_put_bits(&pbc);
765 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
767 uint8_t buf[7] = { 0 };
770 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
773 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
774 ffio_wfourcc(pb, "dvc1");
775 track->vc1_info.struct_offset = avio_tell(pb);
776 avio_write(pb, buf, sizeof(buf));
777 avio_write(pb, track->vos_data, track->vos_len);
782 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
784 avio_wb32(pb, track->vos_len + 8);
785 ffio_wfourcc(pb, "glbl");
786 avio_write(pb, track->vos_data, track->vos_len);
787 return 8 + track->vos_len;
791 * Compute flags for 'lpcm' tag.
792 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
794 static int mov_get_lpcm_flags(enum AVCodecID codec_id)
797 case AV_CODEC_ID_PCM_F32BE:
798 case AV_CODEC_ID_PCM_F64BE:
800 case AV_CODEC_ID_PCM_F32LE:
801 case AV_CODEC_ID_PCM_F64LE:
803 case AV_CODEC_ID_PCM_U8:
805 case AV_CODEC_ID_PCM_S16BE:
806 case AV_CODEC_ID_PCM_S24BE:
807 case AV_CODEC_ID_PCM_S32BE:
809 case AV_CODEC_ID_PCM_S8:
810 case AV_CODEC_ID_PCM_S16LE:
811 case AV_CODEC_ID_PCM_S24LE:
812 case AV_CODEC_ID_PCM_S32LE:
819 static int get_cluster_duration(MOVTrack *track, int cluster_idx)
823 if (cluster_idx >= track->entry)
826 if (cluster_idx + 1 == track->entry)
827 next_dts = track->track_duration + track->start_dts;
829 next_dts = track->cluster[cluster_idx + 1].dts;
831 next_dts -= track->cluster[cluster_idx].dts;
833 av_assert0(next_dts >= 0);
834 av_assert0(next_dts <= INT_MAX);
839 static int get_samples_per_packet(MOVTrack *track)
841 int i, first_duration;
843 // return track->enc->frame_size;
845 /* use 1 for raw PCM */
846 if (!track->audio_vbr)
849 /* check to see if duration is constant for all clusters */
852 first_duration = get_cluster_duration(track, 0);
853 for (i = 1; i < track->entry; i++) {
854 if (get_cluster_duration(track, i) != first_duration)
857 return first_duration;
860 static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
862 int64_t pos = avio_tell(pb);
864 uint32_t tag = track->tag;
866 if (track->mode == MODE_MOV) {
867 if (track->timescale > UINT16_MAX) {
868 if (mov_get_lpcm_flags(track->enc->codec_id))
869 tag = AV_RL32("lpcm");
871 } else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id) ||
872 mov_pcm_be_gt16(track->enc->codec_id) ||
873 track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
874 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
875 track->enc->codec_id == AV_CODEC_ID_QDM2) {
880 avio_wb32(pb, 0); /* size */
881 avio_wl32(pb, tag); // store it byteswapped
882 avio_wb32(pb, 0); /* Reserved */
883 avio_wb16(pb, 0); /* Reserved */
884 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
886 /* SoundDescription */
887 avio_wb16(pb, version); /* Version */
888 avio_wb16(pb, 0); /* Revision level */
889 avio_wb32(pb, 0); /* Reserved */
894 avio_wb16(pb, 0xfffe);
896 avio_wb32(pb, 0x00010000);
898 avio_wb64(pb, av_double2int(track->enc->sample_rate));
899 avio_wb32(pb, track->enc->channels);
900 avio_wb32(pb, 0x7F000000);
901 avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
902 avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
903 avio_wb32(pb, track->sample_size);
904 avio_wb32(pb, get_samples_per_packet(track));
906 if (track->mode == MODE_MOV) {
907 avio_wb16(pb, track->enc->channels);
908 if (track->enc->codec_id == AV_CODEC_ID_PCM_U8 ||
909 track->enc->codec_id == AV_CODEC_ID_PCM_S8)
910 avio_wb16(pb, 8); /* bits per sample */
913 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
914 } else { /* reserved for mp4/3gp */
920 avio_wb16(pb, 0); /* packet size (= 0) */
921 avio_wb16(pb, track->enc->sample_rate <= UINT16_MAX ?
922 track->enc->sample_rate : 0);
923 avio_wb16(pb, 0); /* Reserved */
926 if (version == 1) { /* SoundDescription V1 extended info */
927 if (mov_pcm_le_gt16(track->enc->codec_id) ||
928 mov_pcm_be_gt16(track->enc->codec_id))
929 avio_wb32(pb, 1); /* must be 1 for uncompressed formats */
931 avio_wb32(pb, track->enc->frame_size); /* Samples per packet */
932 avio_wb32(pb, track->sample_size / track->enc->channels); /* Bytes per packet */
933 avio_wb32(pb, track->sample_size); /* Bytes per frame */
934 avio_wb32(pb, 2); /* Bytes per sample */
937 if (track->mode == MODE_MOV &&
938 (track->enc->codec_id == AV_CODEC_ID_AAC ||
939 track->enc->codec_id == AV_CODEC_ID_AC3 ||
940 track->enc->codec_id == AV_CODEC_ID_EAC3 ||
941 track->enc->codec_id == AV_CODEC_ID_AMR_NB ||
942 track->enc->codec_id == AV_CODEC_ID_ALAC ||
943 track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
944 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
945 track->enc->codec_id == AV_CODEC_ID_QDM2 ||
946 (mov_pcm_le_gt16(track->enc->codec_id) && version==1) ||
947 (mov_pcm_be_gt16(track->enc->codec_id) && version==1)))
948 mov_write_wave_tag(pb, track);
949 else if (track->tag == MKTAG('m','p','4','a'))
950 mov_write_esds_tag(pb, track);
951 else if (track->enc->codec_id == AV_CODEC_ID_AMR_NB)
952 mov_write_amr_tag(pb, track);
953 else if (track->enc->codec_id == AV_CODEC_ID_AC3)
954 mov_write_ac3_tag(pb, track);
955 else if (track->enc->codec_id == AV_CODEC_ID_EAC3)
956 mov_write_eac3_tag(pb, track);
957 else if (track->enc->codec_id == AV_CODEC_ID_ALAC)
958 mov_write_extradata_tag(pb, track);
959 else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO)
960 mov_write_wfex_tag(pb, track);
961 else if (track->vos_len > 0)
962 mov_write_glbl_tag(pb, track);
964 if (track->mode == MODE_MOV && track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
965 mov_write_chan_tag(pb, track);
967 return update_size(pb, pos);
970 static int mov_write_d263_tag(AVIOContext *pb)
972 avio_wb32(pb, 0xf); /* size */
973 ffio_wfourcc(pb, "d263");
974 ffio_wfourcc(pb, "FFMP");
975 avio_w8(pb, 0); /* decoder version */
976 /* FIXME use AVCodecContext level/profile, when encoder will set values */
977 avio_w8(pb, 0xa); /* level */
978 avio_w8(pb, 0); /* profile */
982 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
984 int64_t pos = avio_tell(pb);
987 ffio_wfourcc(pb, "avcC");
988 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
989 return update_size(pb, pos);
992 static int mov_write_hvcc_tag(AVIOContext *pb, MOVTrack *track)
994 int64_t pos = avio_tell(pb);
997 ffio_wfourcc(pb, "hvcC");
998 ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 0);
999 return update_size(pb, pos);
1002 /* also used by all avid codecs (dv, imx, meridien) and their variants */
1003 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
1006 avio_wb32(pb, 24); /* size */
1007 ffio_wfourcc(pb, "ACLR");
1008 ffio_wfourcc(pb, "ACLR");
1009 ffio_wfourcc(pb, "0001");
1010 if (track->enc->color_range == AVCOL_RANGE_MPEG) { /* Legal range (16-235) */
1011 avio_wb32(pb, 1); /* Corresponds to 709 in official encoder */
1012 } else { /* Full range (0-255) */
1013 avio_wb32(pb, 2); /* Corresponds to RGB in official encoder */
1015 avio_wb32(pb, 0); /* unknown */
1017 avio_wb32(pb, 24); /* size */
1018 ffio_wfourcc(pb, "APRG");
1019 ffio_wfourcc(pb, "APRG");
1020 ffio_wfourcc(pb, "0001");
1021 avio_wb32(pb, 1); /* unknown */
1022 avio_wb32(pb, 0); /* unknown */
1024 avio_wb32(pb, 120); /* size */
1025 ffio_wfourcc(pb, "ARES");
1026 ffio_wfourcc(pb, "ARES");
1027 ffio_wfourcc(pb, "0001");
1028 avio_wb32(pb, AV_RB32(track->vos_data + 0x28)); /* dnxhd cid, some id ? */
1029 avio_wb32(pb, track->enc->width);
1030 /* values below are based on samples created with quicktime and avid codecs */
1031 if (track->vos_data[5] & 2) { // interlaced
1032 avio_wb32(pb, track->enc->height / 2);
1033 avio_wb32(pb, 2); /* unknown */
1034 avio_wb32(pb, 0); /* unknown */
1035 avio_wb32(pb, 4); /* unknown */
1037 avio_wb32(pb, track->enc->height);
1038 avio_wb32(pb, 1); /* unknown */
1039 avio_wb32(pb, 0); /* unknown */
1040 if (track->enc->height == 1080)
1041 avio_wb32(pb, 5); /* unknown */
1043 avio_wb32(pb, 6); /* unknown */
1046 for (i = 0; i < 10; i++)
1049 /* extra padding for stsd needed */
1054 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1056 int tag = track->enc->codec_tag;
1058 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
1061 if (track->enc->codec_id == AV_CODEC_ID_H264) tag = MKTAG('a','v','c','1');
1062 else if (track->enc->codec_id == AV_CODEC_ID_HEVC) tag = MKTAG('h','e','v','1');
1063 else if (track->enc->codec_id == AV_CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
1064 else if (track->enc->codec_id == AV_CODEC_ID_EAC3) tag = MKTAG('e','c','-','3');
1065 else if (track->enc->codec_id == AV_CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
1066 else if (track->enc->codec_id == AV_CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
1067 else if (track->enc->codec_id == AV_CODEC_ID_VC1) tag = MKTAG('v','c','-','1');
1068 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
1069 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
1070 else if (track->enc->codec_id == AV_CODEC_ID_DVD_SUBTITLE) tag = MKTAG('m','p','4','s');
1075 static const AVCodecTag codec_ipod_tags[] = {
1076 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
1077 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
1078 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
1079 { AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') },
1080 { AV_CODEC_ID_AC3, MKTAG('a','c','-','3') },
1081 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
1082 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
1083 { AV_CODEC_ID_NONE, 0 },
1086 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1088 int tag = track->enc->codec_tag;
1090 // keep original tag for subs, ipod supports both formats
1091 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
1092 (tag == MKTAG('t', 'x', '3', 'g') ||
1093 tag == MKTAG('t', 'e', 'x', 't'))))
1094 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
1096 if (!av_match_ext(s->filename, "m4a") &&
1097 !av_match_ext(s->filename, "m4b") &&
1098 !av_match_ext(s->filename, "m4v"))
1099 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a, .m4v nor .m4b "
1100 "Quicktime/Ipod might not play the file\n");
1105 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
1109 if (track->enc->width == 720) { /* SD */
1110 if (track->enc->height == 480) { /* NTSC */
1111 if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
1112 else tag = MKTAG('d','v','c',' ');
1113 }else if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
1114 else if (track->enc->pix_fmt == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
1115 else tag = MKTAG('d','v','p','p');
1116 } else if (track->enc->height == 720) { /* HD 720 line */
1117 if (track->st->time_base.den == 50) tag = MKTAG('d','v','h','q');
1118 else tag = MKTAG('d','v','h','p');
1119 } else if (track->enc->height == 1080) { /* HD 1080 line */
1120 if (track->st->time_base.den == 25) tag = MKTAG('d','v','h','5');
1121 else tag = MKTAG('d','v','h','6');
1123 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
1130 static AVRational find_fps(AVFormatContext *s, AVStream *st)
1132 AVRational rate = {st->codec->time_base.den, st->codec->time_base.num};
1133 /* if the codec time base makes no sense, try to fallback on stream frame rate */
1134 if (av_timecode_check_frame_rate(rate) < 0) {
1135 av_log(s, AV_LOG_DEBUG, "timecode: tbc=%d/%d invalid, fallback on %d/%d\n",
1136 rate.num, rate.den, st->avg_frame_rate.num, st->avg_frame_rate.den);
1137 rate = st->avg_frame_rate;
1143 static int mov_get_mpeg2_xdcam_codec_tag(AVFormatContext *s, MOVTrack *track)
1145 int tag = track->enc->codec_tag;
1146 int interlaced = track->enc->field_order > AV_FIELD_PROGRESSIVE;
1147 AVStream *st = track->st;
1148 int rate = av_q2d(find_fps(s, st));
1151 tag = MKTAG('m', '2', 'v', '1'); //fallback tag
1153 if (track->enc->pix_fmt == AV_PIX_FMT_YUV420P) {
1154 if (track->enc->width == 1280 && track->enc->height == 720) {
1156 if (rate == 24) tag = MKTAG('x','d','v','4');
1157 else if (rate == 25) tag = MKTAG('x','d','v','5');
1158 else if (rate == 30) tag = MKTAG('x','d','v','1');
1159 else if (rate == 50) tag = MKTAG('x','d','v','a');
1160 else if (rate == 60) tag = MKTAG('x','d','v','9');
1162 } else if (track->enc->width == 1440 && track->enc->height == 1080) {
1164 if (rate == 24) tag = MKTAG('x','d','v','6');
1165 else if (rate == 25) tag = MKTAG('x','d','v','7');
1166 else if (rate == 30) tag = MKTAG('x','d','v','8');
1168 if (rate == 25) tag = MKTAG('x','d','v','3');
1169 else if (rate == 30) tag = MKTAG('x','d','v','2');
1171 } else if (track->enc->width == 1920 && track->enc->height == 1080) {
1173 if (rate == 24) tag = MKTAG('x','d','v','d');
1174 else if (rate == 25) tag = MKTAG('x','d','v','e');
1175 else if (rate == 30) tag = MKTAG('x','d','v','f');
1177 if (rate == 25) tag = MKTAG('x','d','v','c');
1178 else if (rate == 30) tag = MKTAG('x','d','v','b');
1181 } else if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) {
1182 if (track->enc->width == 1280 && track->enc->height == 720) {
1184 if (rate == 24) tag = MKTAG('x','d','5','4');
1185 else if (rate == 25) tag = MKTAG('x','d','5','5');
1186 else if (rate == 30) tag = MKTAG('x','d','5','1');
1187 else if (rate == 50) tag = MKTAG('x','d','5','a');
1188 else if (rate == 60) tag = MKTAG('x','d','5','9');
1190 } else if (track->enc->width == 1920 && track->enc->height == 1080) {
1192 if (rate == 24) tag = MKTAG('x','d','5','d');
1193 else if (rate == 25) tag = MKTAG('x','d','5','e');
1194 else if (rate == 30) tag = MKTAG('x','d','5','f');
1196 if (rate == 25) tag = MKTAG('x','d','5','c');
1197 else if (rate == 30) tag = MKTAG('x','d','5','b');
1205 static int mov_get_h264_codec_tag(AVFormatContext *s, MOVTrack *track)
1207 int tag = track->enc->codec_tag;
1208 int interlaced = track->enc->field_order > AV_FIELD_PROGRESSIVE;
1209 AVStream *st = track->st;
1210 int rate = av_q2d(find_fps(s, st));
1213 tag = MKTAG('a', 'v', 'c', 'i'); //fallback tag
1215 if (track->enc->pix_fmt == AV_PIX_FMT_YUV420P10) {
1216 if (track->enc->width == 960 && track->enc->height == 720) {
1218 if (rate == 24) tag = MKTAG('a','i','5','p');
1219 else if (rate == 25) tag = MKTAG('a','i','5','q');
1220 else if (rate == 30) tag = MKTAG('a','i','5','p');
1221 else if (rate == 50) tag = MKTAG('a','i','5','q');
1222 else if (rate == 60) tag = MKTAG('a','i','5','p');
1224 } else if (track->enc->width == 1440 && track->enc->height == 1080) {
1226 if (rate == 24) tag = MKTAG('a','i','5','3');
1227 else if (rate == 25) tag = MKTAG('a','i','5','2');
1228 else if (rate == 30) tag = MKTAG('a','i','5','3');
1230 if (rate == 50) tag = MKTAG('a','i','5','5');
1231 else if (rate == 60) tag = MKTAG('a','i','5','6');
1234 } else if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P10) {
1235 if (track->enc->width == 1280 && track->enc->height == 720) {
1237 if (rate == 24) tag = MKTAG('a','i','1','p');
1238 else if (rate == 25) tag = MKTAG('a','i','1','q');
1239 else if (rate == 30) tag = MKTAG('a','i','1','p');
1240 else if (rate == 50) tag = MKTAG('a','i','1','q');
1241 else if (rate == 60) tag = MKTAG('a','i','1','p');
1243 } else if (track->enc->width == 1920 && track->enc->height == 1080) {
1245 if (rate == 24) tag = MKTAG('a','i','1','3');
1246 else if (rate == 25) tag = MKTAG('a','i','1','2');
1247 else if (rate == 30) tag = MKTAG('a','i','1','3');
1249 if (rate == 25) tag = MKTAG('a','i','1','5');
1250 else if (rate == 50) tag = MKTAG('a','i','1','5');
1251 else if (rate == 60) tag = MKTAG('a','i','1','6');
1259 static const struct {
1260 enum AVPixelFormat pix_fmt;
1263 } mov_pix_fmt_tags[] = {
1264 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','2'), 0 },
1265 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
1266 { AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
1267 { AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
1268 { AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
1269 { AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
1270 { AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
1271 { AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
1272 { AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
1273 { AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
1274 { AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
1275 { AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
1276 { AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
1277 { AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
1278 { AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
1281 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
1283 int tag = track->enc->codec_tag;
1285 enum AVPixelFormat pix_fmt;
1287 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
1288 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
1289 tag = mov_pix_fmt_tags[i].tag;
1290 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
1291 if (track->enc->codec_tag == mov_pix_fmt_tags[i].tag)
1296 pix_fmt = avpriv_find_pix_fmt(avpriv_pix_fmt_bps_mov,
1297 track->enc->bits_per_coded_sample);
1298 if (tag == MKTAG('r','a','w',' ') &&
1299 track->enc->pix_fmt != pix_fmt &&
1300 track->enc->pix_fmt != AV_PIX_FMT_NONE)
1301 av_log(s, AV_LOG_ERROR, "%s rawvideo cannot be written to mov, output file will be unreadable\n",
1302 av_get_pix_fmt_name(track->enc->pix_fmt));
1306 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1308 int tag = track->enc->codec_tag;
1310 if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
1311 (track->enc->codec_id == AV_CODEC_ID_DVVIDEO ||
1312 track->enc->codec_id == AV_CODEC_ID_RAWVIDEO ||
1313 track->enc->codec_id == AV_CODEC_ID_H263 ||
1314 track->enc->codec_id == AV_CODEC_ID_H264 ||
1315 track->enc->codec_id == AV_CODEC_ID_MPEG2VIDEO ||
1316 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
1317 if (track->enc->codec_id == AV_CODEC_ID_DVVIDEO)
1318 tag = mov_get_dv_codec_tag(s, track);
1319 else if (track->enc->codec_id == AV_CODEC_ID_RAWVIDEO)
1320 tag = mov_get_rawvideo_codec_tag(s, track);
1321 else if (track->enc->codec_id == AV_CODEC_ID_MPEG2VIDEO)
1322 tag = mov_get_mpeg2_xdcam_codec_tag(s, track);
1323 else if (track->enc->codec_id == AV_CODEC_ID_H264)
1324 tag = mov_get_h264_codec_tag(s, track);
1325 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1326 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->enc->codec_id);
1327 if (!tag) { // if no mac fcc found, try with Microsoft tags
1328 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
1330 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
1331 "the file may be unplayable!\n");
1333 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1334 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->enc->codec_id);
1335 if (!tag) { // if no mac fcc found, try with Microsoft tags
1336 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
1338 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
1339 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
1340 "the file may be unplayable!\n");
1343 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
1344 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
1350 static const AVCodecTag codec_3gp_tags[] = {
1351 { AV_CODEC_ID_H263, MKTAG('s','2','6','3') },
1352 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
1353 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
1354 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
1355 { AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
1356 { AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
1357 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
1358 { AV_CODEC_ID_NONE, 0 },
1361 static const AVCodecTag codec_f4v_tags[] = { // XXX: add GIF/PNG/JPEG?
1362 { AV_CODEC_ID_MP3, MKTAG('.','m','p','3') },
1363 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
1364 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
1365 { AV_CODEC_ID_VP6A, MKTAG('V','P','6','A') },
1366 { AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') },
1367 { AV_CODEC_ID_NONE, 0 },
1370 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
1374 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
1375 tag = mp4_get_codec_tag(s, track);
1376 else if (track->mode == MODE_ISM) {
1377 tag = mp4_get_codec_tag(s, track);
1378 if (!tag && track->enc->codec_id == AV_CODEC_ID_WMAPRO)
1379 tag = MKTAG('w', 'm', 'a', ' ');
1380 } else if (track->mode == MODE_IPOD)
1381 tag = ipod_get_codec_tag(s, track);
1382 else if (track->mode & MODE_3GP)
1383 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
1384 else if (track->mode == MODE_F4V)
1385 tag = ff_codec_get_tag(codec_f4v_tags, track->enc->codec_id);
1387 tag = mov_get_codec_tag(s, track);
1392 /** Write uuid atom.
1393 * Needed to make file play in iPods running newest firmware
1394 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
1396 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
1399 ffio_wfourcc(pb, "uuid");
1400 avio_wb32(pb, 0x6b6840f2);
1401 avio_wb32(pb, 0x5f244fc5);
1402 avio_wb32(pb, 0xba39a51b);
1403 avio_wb32(pb, 0xcf0323f3);
1408 static const uint16_t fiel_data[] = {
1409 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
1412 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track)
1414 unsigned mov_field_order = 0;
1415 if (track->enc->field_order < FF_ARRAY_ELEMS(fiel_data))
1416 mov_field_order = fiel_data[track->enc->field_order];
1420 ffio_wfourcc(pb, "fiel");
1421 avio_wb16(pb, mov_field_order);
1425 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
1427 int64_t pos = avio_tell(pb);
1428 avio_wb32(pb, 0); /* size */
1429 avio_wl32(pb, track->tag); // store it byteswapped
1430 avio_wb32(pb, 0); /* Reserved */
1431 avio_wb16(pb, 0); /* Reserved */
1432 avio_wb16(pb, 1); /* Data-reference index */
1434 if (track->enc->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
1435 mov_write_esds_tag(pb, track);
1436 else if (track->enc->extradata_size)
1437 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
1439 return update_size(pb, pos);
1442 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
1445 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
1446 track->enc->sample_aspect_ratio.den, INT_MAX);
1449 ffio_wfourcc(pb, "pasp");
1450 avio_wb32(pb, sar.num);
1451 avio_wb32(pb, sar.den);
1455 static void find_compressor(char * compressor_name, int len, MOVTrack *track)
1457 AVDictionaryEntry *encoder;
1458 int xdcam_res = (track->enc->width == 1280 && track->enc->height == 720)
1459 || (track->enc->width == 1440 && track->enc->height == 1080)
1460 || (track->enc->width == 1920 && track->enc->height == 1080);
1462 if (track->mode == MODE_MOV &&
1463 (encoder = av_dict_get(track->st->metadata, "encoder", NULL, 0))) {
1464 av_strlcpy(compressor_name, encoder->value, 32);
1465 } else if (track->enc->codec_id == AV_CODEC_ID_MPEG2VIDEO && xdcam_res) {
1466 int interlaced = track->enc->field_order > AV_FIELD_PROGRESSIVE;
1467 AVStream *st = track->st;
1468 int rate = av_q2d(find_fps(NULL, st));
1469 av_strlcatf(compressor_name, len, "XDCAM");
1470 if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) {
1471 av_strlcatf(compressor_name, len, " HD422");
1472 } else if(track->enc->width == 1440) {
1473 av_strlcatf(compressor_name, len, " HD");
1475 av_strlcatf(compressor_name, len, " EX");
1477 av_strlcatf(compressor_name, len, " %d%c", track->enc->height, interlaced ? 'i' : 'p');
1479 av_strlcatf(compressor_name, len, "%d", rate * (interlaced + 1));
1483 static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
1485 int64_t pos = avio_tell(pb);
1486 char compressor_name[32] = { 0 };
1488 avio_wb32(pb, 0); /* size */
1489 avio_wl32(pb, track->tag); // store it byteswapped
1490 avio_wb32(pb, 0); /* Reserved */
1491 avio_wb16(pb, 0); /* Reserved */
1492 avio_wb16(pb, 1); /* Data-reference index */
1494 avio_wb16(pb, 0); /* Codec stream version */
1495 avio_wb16(pb, 0); /* Codec stream revision (=0) */
1496 if (track->mode == MODE_MOV) {
1497 ffio_wfourcc(pb, "FFMP"); /* Vendor */
1498 if (track->enc->codec_id == AV_CODEC_ID_RAWVIDEO) {
1499 avio_wb32(pb, 0); /* Temporal Quality */
1500 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
1502 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
1503 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
1506 avio_wb32(pb, 0); /* Reserved */
1507 avio_wb32(pb, 0); /* Reserved */
1508 avio_wb32(pb, 0); /* Reserved */
1510 avio_wb16(pb, track->enc->width); /* Video width */
1511 avio_wb16(pb, track->height); /* Video height */
1512 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
1513 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
1514 avio_wb32(pb, 0); /* Data size (= 0) */
1515 avio_wb16(pb, 1); /* Frame count (= 1) */
1517 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
1518 find_compressor(compressor_name, 32, track);
1519 avio_w8(pb, strlen(compressor_name));
1520 avio_write(pb, compressor_name, 31);
1522 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
1523 avio_wb16(pb, track->enc->bits_per_coded_sample);
1525 avio_wb16(pb, 0x18); /* Reserved */
1526 avio_wb16(pb, 0xffff); /* Reserved */
1527 if (track->tag == MKTAG('m','p','4','v'))
1528 mov_write_esds_tag(pb, track);
1529 else if (track->enc->codec_id == AV_CODEC_ID_H263)
1530 mov_write_d263_tag(pb);
1531 else if (track->enc->codec_id == AV_CODEC_ID_AVUI ||
1532 track->enc->codec_id == AV_CODEC_ID_SVQ3) {
1533 mov_write_extradata_tag(pb, track);
1535 } else if (track->enc->codec_id == AV_CODEC_ID_DNXHD)
1536 mov_write_avid_tag(pb, track);
1537 else if (track->enc->codec_id == AV_CODEC_ID_HEVC)
1538 mov_write_hvcc_tag(pb, track);
1539 else if (track->enc->codec_id == AV_CODEC_ID_H264 && !TAG_IS_AVCI(track->tag)) {
1540 mov_write_avcc_tag(pb, track);
1541 if (track->mode == MODE_IPOD)
1542 mov_write_uuid_tag_ipod(pb);
1543 } else if (track->enc->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
1544 mov_write_dvc1_tag(pb, track);
1545 else if (track->enc->codec_id == AV_CODEC_ID_VP6F ||
1546 track->enc->codec_id == AV_CODEC_ID_VP6A) {
1547 /* Don't write any potential extradata here - the cropping
1548 * is signalled via the normal width/height fields. */
1549 } else if (track->vos_len > 0)
1550 mov_write_glbl_tag(pb, track);
1552 if (track->enc->codec_id != AV_CODEC_ID_H264 &&
1553 track->enc->codec_id != AV_CODEC_ID_MPEG4 &&
1554 track->enc->codec_id != AV_CODEC_ID_DNXHD)
1555 if (track->enc->field_order != AV_FIELD_UNKNOWN)
1556 mov_write_fiel_tag(pb, track);
1558 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
1559 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
1560 mov_write_pasp_tag(pb, track);
1563 return update_size(pb, pos);
1566 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
1568 int64_t pos = avio_tell(pb);
1569 avio_wb32(pb, 0); /* size */
1570 ffio_wfourcc(pb, "rtp ");
1571 avio_wb32(pb, 0); /* Reserved */
1572 avio_wb16(pb, 0); /* Reserved */
1573 avio_wb16(pb, 1); /* Data-reference index */
1575 avio_wb16(pb, 1); /* Hint track version */
1576 avio_wb16(pb, 1); /* Highest compatible version */
1577 avio_wb32(pb, track->max_packet_size); /* Max packet size */
1579 avio_wb32(pb, 12); /* size */
1580 ffio_wfourcc(pb, "tims");
1581 avio_wb32(pb, track->timescale);
1583 return update_size(pb, pos);
1586 static int mov_write_source_reference_tag(AVIOContext *pb, MOVTrack *track, const char *reel_name)
1588 uint64_t str_size =strlen(reel_name);
1589 int64_t pos = avio_tell(pb);
1591 if (str_size >= UINT16_MAX){
1592 av_log(NULL, AV_LOG_ERROR, "reel_name length %"PRIu64" is too large\n", str_size);
1594 return AVERROR(EINVAL);
1597 avio_wb32(pb, 0); /* size */
1598 ffio_wfourcc(pb, "name"); /* Data format */
1599 avio_wb16(pb, str_size); /* string size */
1600 avio_wb16(pb, track->language); /* langcode */
1601 avio_write(pb, reel_name, str_size); /* reel name */
1602 return update_size(pb,pos);
1605 static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
1607 int64_t pos = avio_tell(pb);
1609 int frame_duration = av_rescale(track->timescale, track->enc->time_base.num, track->enc->time_base.den);
1610 int nb_frames = 1.0/av_q2d(track->enc->time_base) + 0.5;
1611 AVDictionaryEntry *t = NULL;
1613 if (nb_frames > 255) {
1614 av_log(NULL, AV_LOG_ERROR, "fps %d is too large\n", nb_frames);
1615 return AVERROR(EINVAL);
1618 avio_wb32(pb, 0); /* size */
1619 ffio_wfourcc(pb, "tmcd"); /* Data format */
1620 avio_wb32(pb, 0); /* Reserved */
1621 avio_wb32(pb, 1); /* Data reference index */
1622 avio_wb32(pb, 0); /* Flags */
1623 avio_wb32(pb, track->timecode_flags); /* Flags (timecode) */
1624 avio_wb32(pb, track->timescale); /* Timescale */
1625 avio_wb32(pb, frame_duration); /* Frame duration */
1626 avio_w8(pb, nb_frames); /* Number of frames */
1627 avio_w8(pb, 0); /* Reserved */
1630 t = av_dict_get(track->st->metadata, "reel_name", NULL, 0);
1632 if (t && utf8len(t->value))
1633 mov_write_source_reference_tag(pb, track, t->value);
1635 avio_wb16(pb, 0); /* zero size */
1638 avio_wb32(pb, 0); /* size */
1639 ffio_wfourcc(pb, "tmcd"); /* Data format */
1640 avio_wb32(pb, 0); /* Reserved */
1641 avio_wb32(pb, 1); /* Data reference index */
1642 if (track->enc->extradata_size)
1643 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
1645 return update_size(pb, pos);
1648 static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
1650 int64_t pos = avio_tell(pb);
1651 avio_wb32(pb, 0); /* size */
1652 ffio_wfourcc(pb, "stsd");
1653 avio_wb32(pb, 0); /* version & flags */
1654 avio_wb32(pb, 1); /* entry count */
1655 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1656 mov_write_video_tag(pb, track);
1657 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1658 mov_write_audio_tag(pb, track);
1659 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
1660 mov_write_subtitle_tag(pb, track);
1661 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
1662 mov_write_rtp_tag(pb, track);
1663 else if (track->enc->codec_tag == MKTAG('t','m','c','d'))
1664 mov_write_tmcd_tag(pb, track);
1665 return update_size(pb, pos);
1668 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
1670 MOVStts *ctts_entries;
1671 uint32_t entries = 0;
1675 ctts_entries = av_malloc_array((track->entry + 1), sizeof(*ctts_entries)); /* worst case */
1676 ctts_entries[0].count = 1;
1677 ctts_entries[0].duration = track->cluster[0].cts;
1678 for (i = 1; i < track->entry; i++) {
1679 if (track->cluster[i].cts == ctts_entries[entries].duration) {
1680 ctts_entries[entries].count++; /* compress */
1683 ctts_entries[entries].duration = track->cluster[i].cts;
1684 ctts_entries[entries].count = 1;
1687 entries++; /* last one */
1688 atom_size = 16 + (entries * 8);
1689 avio_wb32(pb, atom_size); /* size */
1690 ffio_wfourcc(pb, "ctts");
1691 avio_wb32(pb, 0); /* version & flags */
1692 avio_wb32(pb, entries); /* entry count */
1693 for (i = 0; i < entries; i++) {
1694 avio_wb32(pb, ctts_entries[i].count);
1695 avio_wb32(pb, ctts_entries[i].duration);
1697 av_free(ctts_entries);
1701 /* Time to sample atom */
1702 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
1704 MOVStts *stts_entries;
1705 uint32_t entries = -1;
1709 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
1710 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
1711 stts_entries[0].count = track->sample_count;
1712 stts_entries[0].duration = 1;
1715 stts_entries = track->entry ?
1716 av_malloc_array(track->entry, sizeof(*stts_entries)) : /* worst case */
1718 for (i = 0; i < track->entry; i++) {
1719 int duration = get_cluster_duration(track, i);
1720 if (i && duration == stts_entries[entries].duration) {
1721 stts_entries[entries].count++; /* compress */
1724 stts_entries[entries].duration = duration;
1725 stts_entries[entries].count = 1;
1728 entries++; /* last one */
1730 atom_size = 16 + (entries * 8);
1731 avio_wb32(pb, atom_size); /* size */
1732 ffio_wfourcc(pb, "stts");
1733 avio_wb32(pb, 0); /* version & flags */
1734 avio_wb32(pb, entries); /* entry count */
1735 for (i = 0; i < entries; i++) {
1736 avio_wb32(pb, stts_entries[i].count);
1737 avio_wb32(pb, stts_entries[i].duration);
1739 av_free(stts_entries);
1743 static int mov_write_dref_tag(AVIOContext *pb)
1745 avio_wb32(pb, 28); /* size */
1746 ffio_wfourcc(pb, "dref");
1747 avio_wb32(pb, 0); /* version & flags */
1748 avio_wb32(pb, 1); /* entry count */
1750 avio_wb32(pb, 0xc); /* size */
1751 //FIXME add the alis and rsrc atom
1752 ffio_wfourcc(pb, "url ");
1753 avio_wb32(pb, 1); /* version & flags */
1758 static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
1760 int64_t pos = avio_tell(pb);
1761 avio_wb32(pb, 0); /* size */
1762 ffio_wfourcc(pb, "stbl");
1763 mov_write_stsd_tag(pb, track);
1764 mov_write_stts_tag(pb, track);
1765 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1766 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
1767 track->has_keyframes && track->has_keyframes < track->entry)
1768 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1769 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1770 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
1771 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1772 track->flags & MOV_TRACK_CTTS)
1773 mov_write_ctts_tag(pb, track);
1774 mov_write_stsc_tag(pb, track);
1775 mov_write_stsz_tag(pb, track);
1776 mov_write_stco_tag(pb, track);
1777 return update_size(pb, pos);
1780 static int mov_write_dinf_tag(AVIOContext *pb)
1782 int64_t pos = avio_tell(pb);
1783 avio_wb32(pb, 0); /* size */
1784 ffio_wfourcc(pb, "dinf");
1785 mov_write_dref_tag(pb);
1786 return update_size(pb, pos);
1789 static int mov_write_nmhd_tag(AVIOContext *pb)
1792 ffio_wfourcc(pb, "nmhd");
1797 static int mov_write_tcmi_tag(AVIOContext *pb, MOVTrack *track)
1799 int64_t pos = avio_tell(pb);
1800 const char *font = "Lucida Grande";
1801 avio_wb32(pb, 0); /* size */
1802 ffio_wfourcc(pb, "tcmi"); /* timecode media information atom */
1803 avio_wb32(pb, 0); /* version & flags */
1804 avio_wb16(pb, 0); /* text font */
1805 avio_wb16(pb, 0); /* text face */
1806 avio_wb16(pb, 12); /* text size */
1807 avio_wb16(pb, 0); /* (unknown, not in the QT specs...) */
1808 avio_wb16(pb, 0x0000); /* text color (red) */
1809 avio_wb16(pb, 0x0000); /* text color (green) */
1810 avio_wb16(pb, 0x0000); /* text color (blue) */
1811 avio_wb16(pb, 0xffff); /* background color (red) */
1812 avio_wb16(pb, 0xffff); /* background color (green) */
1813 avio_wb16(pb, 0xffff); /* background color (blue) */
1814 avio_w8(pb, strlen(font)); /* font len (part of the pascal string) */
1815 avio_write(pb, font, strlen(font)); /* font name */
1816 return update_size(pb, pos);
1819 static int mov_write_gmhd_tag(AVIOContext *pb, MOVTrack *track)
1821 int64_t pos = avio_tell(pb);
1822 avio_wb32(pb, 0); /* size */
1823 ffio_wfourcc(pb, "gmhd");
1824 avio_wb32(pb, 0x18); /* gmin size */
1825 ffio_wfourcc(pb, "gmin");/* generic media info */
1826 avio_wb32(pb, 0); /* version & flags */
1827 avio_wb16(pb, 0x40); /* graphics mode = */
1828 avio_wb16(pb, 0x8000); /* opColor (r?) */
1829 avio_wb16(pb, 0x8000); /* opColor (g?) */
1830 avio_wb16(pb, 0x8000); /* opColor (b?) */
1831 avio_wb16(pb, 0); /* balance */
1832 avio_wb16(pb, 0); /* reserved */
1835 * This special text atom is required for
1836 * Apple Quicktime chapters. The contents
1837 * don't appear to be documented, so the
1838 * bytes are copied verbatim.
1840 if (track->tag != MKTAG('c','6','0','8')) {
1841 avio_wb32(pb, 0x2C); /* size */
1842 ffio_wfourcc(pb, "text");
1843 avio_wb16(pb, 0x01);
1844 avio_wb32(pb, 0x00);
1845 avio_wb32(pb, 0x00);
1846 avio_wb32(pb, 0x00);
1847 avio_wb32(pb, 0x01);
1848 avio_wb32(pb, 0x00);
1849 avio_wb32(pb, 0x00);
1850 avio_wb32(pb, 0x00);
1851 avio_wb32(pb, 0x00004000);
1852 avio_wb16(pb, 0x0000);
1855 if (track->enc->codec_tag == MKTAG('t','m','c','d')) {
1856 int64_t tmcd_pos = avio_tell(pb);
1857 avio_wb32(pb, 0); /* size */
1858 ffio_wfourcc(pb, "tmcd");
1859 mov_write_tcmi_tag(pb, track);
1860 update_size(pb, tmcd_pos);
1862 return update_size(pb, pos);
1865 static int mov_write_smhd_tag(AVIOContext *pb)
1867 avio_wb32(pb, 16); /* size */
1868 ffio_wfourcc(pb, "smhd");
1869 avio_wb32(pb, 0); /* version & flags */
1870 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1871 avio_wb16(pb, 0); /* reserved */
1875 static int mov_write_vmhd_tag(AVIOContext *pb)
1877 avio_wb32(pb, 0x14); /* size (always 0x14) */
1878 ffio_wfourcc(pb, "vmhd");
1879 avio_wb32(pb, 0x01); /* version & flags */
1880 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
1884 static int is_clcp_track(MOVTrack *track)
1886 return track->tag == MKTAG('c','7','0','8') ||
1887 track->tag == MKTAG('c','6','0','8');
1890 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
1892 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1893 int64_t pos = avio_tell(pb);
1897 descr = "DataHandler";
1900 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1901 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1903 descr = "VideoHandler";
1904 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1906 descr = "SoundHandler";
1907 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1908 if (is_clcp_track(track)) {
1910 descr = "ClosedCaptionHandler";
1912 if (track->tag == MKTAG('t','x','3','g')) {
1914 } else if (track->tag == MKTAG('m','p','4','s')) {
1919 descr = "SubtitleHandler";
1921 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1923 descr = "HintHandler";
1924 } else if (track->enc->codec_tag == MKTAG('t','m','c','d')) {
1926 descr = "TimeCodeHandler";
1929 av_get_codec_tag_string(tag_buf, sizeof(tag_buf),
1930 track->enc->codec_tag);
1932 av_log(track->enc, AV_LOG_WARNING,
1933 "Unknown hldr_type for %s / 0x%04X, writing dummy values\n",
1934 tag_buf, track->enc->codec_tag);
1937 // hdlr.name is used by some players to identify the content title
1938 // of the track. So if an alternate handler description is
1939 // specified, use it.
1940 AVDictionaryEntry *t;
1941 t = av_dict_get(track->st->metadata, "handler", NULL, 0);
1942 if (t && utf8len(t->value))
1947 avio_wb32(pb, 0); /* size */
1948 ffio_wfourcc(pb, "hdlr");
1949 avio_wb32(pb, 0); /* Version & flags */
1950 avio_write(pb, hdlr, 4); /* handler */
1951 ffio_wfourcc(pb, hdlr_type); /* handler type */
1952 avio_wb32(pb, 0); /* reserved */
1953 avio_wb32(pb, 0); /* reserved */
1954 avio_wb32(pb, 0); /* reserved */
1955 if (!track || track->mode == MODE_MOV)
1956 avio_w8(pb, strlen(descr)); /* pascal string */
1957 avio_write(pb, descr, strlen(descr)); /* handler description */
1958 if (track && track->mode != MODE_MOV)
1959 avio_w8(pb, 0); /* c string */
1960 return update_size(pb, pos);
1963 static int mov_write_hmhd_tag(AVIOContext *pb)
1965 /* This atom must be present, but leaving the values at zero
1966 * seems harmless. */
1967 avio_wb32(pb, 28); /* size */
1968 ffio_wfourcc(pb, "hmhd");
1969 avio_wb32(pb, 0); /* version, flags */
1970 avio_wb16(pb, 0); /* maxPDUsize */
1971 avio_wb16(pb, 0); /* avgPDUsize */
1972 avio_wb32(pb, 0); /* maxbitrate */
1973 avio_wb32(pb, 0); /* avgbitrate */
1974 avio_wb32(pb, 0); /* reserved */
1978 static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
1980 int64_t pos = avio_tell(pb);
1981 avio_wb32(pb, 0); /* size */
1982 ffio_wfourcc(pb, "minf");
1983 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1984 mov_write_vmhd_tag(pb);
1985 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1986 mov_write_smhd_tag(pb);
1987 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1988 if (track->tag == MKTAG('t','e','x','t') || is_clcp_track(track)) {
1989 mov_write_gmhd_tag(pb, track);
1991 mov_write_nmhd_tag(pb);
1993 } else if (track->tag == MKTAG('r','t','p',' ')) {
1994 mov_write_hmhd_tag(pb);
1995 } else if (track->tag == MKTAG('t','m','c','d')) {
1996 mov_write_gmhd_tag(pb, track);
1998 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1999 mov_write_hdlr_tag(pb, NULL);
2000 mov_write_dinf_tag(pb);
2001 mov_write_stbl_tag(pb, track);
2002 return update_size(pb, pos);
2005 static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track)
2007 int version = track->track_duration < INT32_MAX ? 0 : 1;
2009 if (track->mode == MODE_ISM)
2012 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
2013 ffio_wfourcc(pb, "mdhd");
2014 avio_w8(pb, version);
2015 avio_wb24(pb, 0); /* flags */
2017 avio_wb64(pb, track->time);
2018 avio_wb64(pb, track->time);
2020 avio_wb32(pb, track->time); /* creation time */
2021 avio_wb32(pb, track->time); /* modification time */
2023 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
2025 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2027 (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
2028 avio_wb16(pb, track->language); /* language */
2029 avio_wb16(pb, 0); /* reserved (quality) */
2031 if (version != 0 && track->mode == MODE_MOV) {
2032 av_log(NULL, AV_LOG_ERROR,
2033 "FATAL error, file duration too long for timebase, this file will not be\n"
2034 "playable with quicktime. Choose a different timebase or a different\n"
2035 "container format\n");
2041 static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track)
2043 int64_t pos = avio_tell(pb);
2044 avio_wb32(pb, 0); /* size */
2045 ffio_wfourcc(pb, "mdia");
2046 mov_write_mdhd_tag(pb, track);
2047 mov_write_hdlr_tag(pb, track);
2048 mov_write_minf_tag(pb, track);
2049 return update_size(pb, pos);
2052 /* transformation matrix
2056 static void write_matrix(AVIOContext *pb, int16_t a, int16_t b, int16_t c,
2057 int16_t d, int16_t tx, int16_t ty)
2059 avio_wb32(pb, a << 16); /* 16.16 format */
2060 avio_wb32(pb, b << 16); /* 16.16 format */
2061 avio_wb32(pb, 0); /* u in 2.30 format */
2062 avio_wb32(pb, c << 16); /* 16.16 format */
2063 avio_wb32(pb, d << 16); /* 16.16 format */
2064 avio_wb32(pb, 0); /* v in 2.30 format */
2065 avio_wb32(pb, tx << 16); /* 16.16 format */
2066 avio_wb32(pb, ty << 16); /* 16.16 format */
2067 avio_wb32(pb, 1 << 30); /* w in 2.30 format */
2070 static int mov_write_tkhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2071 MOVTrack *track, AVStream *st)
2073 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
2074 track->timescale, AV_ROUND_UP);
2075 int version = duration < INT32_MAX ? 0 : 1;
2076 int flags = MOV_TKHD_FLAG_IN_MOVIE;
2082 if (mov->per_stream_grouping)
2085 group = st->codec->codec_type;
2088 if (track->flags & MOV_TRACK_ENABLED)
2089 flags |= MOV_TKHD_FLAG_ENABLED;
2091 if (track->mode == MODE_ISM)
2094 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
2095 ffio_wfourcc(pb, "tkhd");
2096 avio_w8(pb, version);
2097 avio_wb24(pb, flags);
2099 avio_wb64(pb, track->time);
2100 avio_wb64(pb, track->time);
2102 avio_wb32(pb, track->time); /* creation time */
2103 avio_wb32(pb, track->time); /* modification time */
2105 avio_wb32(pb, track->track_id); /* track-id */
2106 avio_wb32(pb, 0); /* reserved */
2108 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2110 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
2112 avio_wb32(pb, 0); /* reserved */
2113 avio_wb32(pb, 0); /* reserved */
2114 avio_wb16(pb, 0); /* layer */
2115 avio_wb16(pb, group); /* alternate group) */
2116 /* Volume, only for audio */
2117 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
2118 avio_wb16(pb, 0x0100);
2121 avio_wb16(pb, 0); /* reserved */
2123 /* Matrix structure */
2124 if (st && st->metadata) {
2125 AVDictionaryEntry *rot = av_dict_get(st->metadata, "rotate", NULL, 0);
2126 rotation = (rot && rot->value) ? atoi(rot->value) : 0;
2128 if (rotation == 90) {
2129 write_matrix(pb, 0, 1, -1, 0, track->enc->height, 0);
2130 } else if (rotation == 180) {
2131 write_matrix(pb, -1, 0, 0, -1, track->enc->width, track->enc->height);
2132 } else if (rotation == 270) {
2133 write_matrix(pb, 0, -1, 1, 0, 0, track->enc->width);
2135 write_matrix(pb, 1, 0, 0, 1, 0, 0);
2137 /* Track width and height, for visual only */
2138 if (st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
2139 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
2140 if (track->mode == MODE_MOV) {
2141 avio_wb32(pb, track->enc->width << 16);
2142 avio_wb32(pb, track->height << 16);
2144 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
2145 if (!sample_aspect_ratio || track->height != track->enc->height)
2146 sample_aspect_ratio = 1;
2147 avio_wb32(pb, sample_aspect_ratio * track->enc->width * 0x10000);
2148 avio_wb32(pb, track->height * 0x10000);
2157 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
2159 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
2160 track->enc->sample_aspect_ratio.den);
2162 int64_t pos = avio_tell(pb);
2164 avio_wb32(pb, 0); /* size */
2165 ffio_wfourcc(pb, "tapt");
2168 ffio_wfourcc(pb, "clef");
2170 avio_wb32(pb, width << 16);
2171 avio_wb32(pb, track->enc->height << 16);
2174 ffio_wfourcc(pb, "prof");
2176 avio_wb32(pb, width << 16);
2177 avio_wb32(pb, track->enc->height << 16);
2180 ffio_wfourcc(pb, "enof");
2182 avio_wb32(pb, track->enc->width << 16);
2183 avio_wb32(pb, track->enc->height << 16);
2185 return update_size(pb, pos);
2188 // This box seems important for the psp playback ... without it the movie seems to hang
2189 static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track)
2191 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
2192 track->timescale, AV_ROUND_UP);
2193 int version = duration < INT32_MAX ? 0 : 1;
2194 int entry_size, entry_count, size;
2195 int64_t delay, start_ct = track->cluster[0].cts;
2196 delay = av_rescale_rnd(track->cluster[0].dts + start_ct, MOV_TIMESCALE,
2197 track->timescale, AV_ROUND_DOWN);
2198 version |= delay < INT32_MAX ? 0 : 1;
2200 entry_size = (version == 1) ? 20 : 12;
2201 entry_count = 1 + (delay > 0);
2202 size = 24 + entry_count * entry_size;
2204 /* write the atom data */
2205 avio_wb32(pb, size);
2206 ffio_wfourcc(pb, "edts");
2207 avio_wb32(pb, size - 8);
2208 ffio_wfourcc(pb, "elst");
2209 avio_w8(pb, version);
2210 avio_wb24(pb, 0); /* flags */
2212 avio_wb32(pb, entry_count);
2213 if (delay > 0) { /* add an empty edit to delay presentation */
2215 avio_wb64(pb, delay);
2218 avio_wb32(pb, delay);
2221 avio_wb32(pb, 0x00010000);
2223 av_assert0(av_rescale_rnd(track->cluster[0].dts, MOV_TIMESCALE, track->timescale, AV_ROUND_DOWN) <= 0);
2224 start_ct = -FFMIN(track->cluster[0].dts, 0); //FFMIN needed due to rounding
2230 avio_wb64(pb, duration);
2231 avio_wb64(pb, start_ct);
2233 avio_wb32(pb, duration);
2234 avio_wb32(pb, start_ct);
2236 avio_wb32(pb, 0x00010000);
2240 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
2242 avio_wb32(pb, 20); // size
2243 ffio_wfourcc(pb, "tref");
2244 avio_wb32(pb, 12); // size (subatom)
2245 avio_wl32(pb, track->tref_tag);
2246 avio_wb32(pb, track->tref_id);
2250 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
2251 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
2253 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
2254 ffio_wfourcc(pb, "uuid");
2255 ffio_wfourcc(pb, "USMT");
2256 avio_wb32(pb, 0x21d24fce);
2257 avio_wb32(pb, 0xbb88695c);
2258 avio_wb32(pb, 0xfac9c740);
2259 avio_wb32(pb, 0x1c); // another size here!
2260 ffio_wfourcc(pb, "MTDT");
2261 avio_wb32(pb, 0x00010012);
2262 avio_wb32(pb, 0x0a);
2263 avio_wb32(pb, 0x55c40000);
2269 static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
2271 AVFormatContext *ctx = track->rtp_ctx;
2272 char buf[1000] = "";
2275 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
2276 NULL, NULL, 0, 0, ctx);
2277 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
2280 avio_wb32(pb, len + 24);
2281 ffio_wfourcc(pb, "udta");
2282 avio_wb32(pb, len + 16);
2283 ffio_wfourcc(pb, "hnti");
2284 avio_wb32(pb, len + 8);
2285 ffio_wfourcc(pb, "sdp ");
2286 avio_write(pb, buf, len);
2290 static int mov_write_track_metadata(AVIOContext *pb, AVStream *st,
2291 const char *tag, const char *str)
2293 int64_t pos = avio_tell(pb);
2294 AVDictionaryEntry *t = av_dict_get(st->metadata, str, NULL, 0);
2295 if (!t || !utf8len(t->value))
2298 avio_wb32(pb, 0); /* size */
2299 ffio_wfourcc(pb, tag); /* type */
2300 avio_write(pb, t->value, strlen(t->value)); /* UTF8 string value */
2301 return update_size(pb, pos);
2304 static int mov_write_track_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
2307 AVIOContext *pb_buf;
2311 if (!st || mov->fc->flags & AVFMT_FLAG_BITEXACT)
2314 ret = avio_open_dyn_buf(&pb_buf);
2318 if (mov->mode & MODE_MP4)
2319 mov_write_track_metadata(pb_buf, st, "name", "title");
2321 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
2322 avio_wb32(pb, size + 8);
2323 ffio_wfourcc(pb, "udta");
2324 avio_write(pb, buf, size);
2331 static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov,
2332 MOVTrack *track, AVStream *st)
2334 int64_t pos = avio_tell(pb);
2335 avio_wb32(pb, 0); /* size */
2336 ffio_wfourcc(pb, "trak");
2337 mov_write_tkhd_tag(pb, mov, track, st);
2338 if (supports_edts(mov))
2339 mov_write_edts_tag(pb, track); // PSP Movies and several other cases require edts box
2340 if (track->tref_tag)
2341 mov_write_tref_tag(pb, track);
2342 mov_write_mdia_tag(pb, track);
2343 if (track->mode == MODE_PSP)
2344 mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box
2345 if (track->tag == MKTAG('r','t','p',' '))
2346 mov_write_udta_sdp(pb, track);
2347 if (track->mode == MODE_MOV) {
2348 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2349 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
2350 if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio) {
2351 mov_write_tapt_tag(pb, track);
2354 if (is_clcp_track(track) && st->sample_aspect_ratio.num) {
2355 mov_write_tapt_tag(pb, track);
2358 mov_write_track_udta_tag(pb, mov, st);
2359 return update_size(pb, pos);
2362 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
2364 int i, has_audio = 0, has_video = 0;
2365 int64_t pos = avio_tell(pb);
2366 int audio_profile = mov->iods_audio_profile;
2367 int video_profile = mov->iods_video_profile;
2368 for (i = 0; i < mov->nb_streams; i++) {
2369 if (mov->tracks[i].entry > 0) {
2370 has_audio |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_AUDIO;
2371 has_video |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_VIDEO;
2374 if (audio_profile < 0)
2375 audio_profile = 0xFF - has_audio;
2376 if (video_profile < 0)
2377 video_profile = 0xFF - has_video;
2378 avio_wb32(pb, 0x0); /* size */
2379 ffio_wfourcc(pb, "iods");
2380 avio_wb32(pb, 0); /* version & flags */
2381 put_descr(pb, 0x10, 7);
2382 avio_wb16(pb, 0x004f);
2385 avio_w8(pb, audio_profile);
2386 avio_w8(pb, video_profile);
2388 return update_size(pb, pos);
2391 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
2393 avio_wb32(pb, 0x20); /* size */
2394 ffio_wfourcc(pb, "trex");
2395 avio_wb32(pb, 0); /* version & flags */
2396 avio_wb32(pb, track->track_id); /* track ID */
2397 avio_wb32(pb, 1); /* default sample description index */
2398 avio_wb32(pb, 0); /* default sample duration */
2399 avio_wb32(pb, 0); /* default sample size */
2400 avio_wb32(pb, 0); /* default sample flags */
2404 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
2406 int64_t pos = avio_tell(pb);
2408 avio_wb32(pb, 0x0); /* size */
2409 ffio_wfourcc(pb, "mvex");
2410 for (i = 0; i < mov->nb_streams; i++)
2411 mov_write_trex_tag(pb, &mov->tracks[i]);
2412 return update_size(pb, pos);
2415 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
2417 int max_track_id = 1, i;
2418 int64_t max_track_len_temp, max_track_len = 0;
2421 for (i = 0; i < mov->nb_streams; i++) {
2422 if (mov->tracks[i].entry > 0 && mov->tracks[i].timescale) {
2423 max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
2425 mov->tracks[i].timescale,
2427 if (max_track_len < max_track_len_temp)
2428 max_track_len = max_track_len_temp;
2429 if (max_track_id < mov->tracks[i].track_id)
2430 max_track_id = mov->tracks[i].track_id;
2434 version = max_track_len < UINT32_MAX ? 0 : 1;
2435 (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
2436 ffio_wfourcc(pb, "mvhd");
2437 avio_w8(pb, version);
2438 avio_wb24(pb, 0); /* flags */
2440 avio_wb64(pb, mov->time);
2441 avio_wb64(pb, mov->time);
2443 avio_wb32(pb, mov->time); /* creation time */
2444 avio_wb32(pb, mov->time); /* modification time */
2446 avio_wb32(pb, MOV_TIMESCALE);
2447 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
2449 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
2450 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
2451 avio_wb16(pb, 0); /* reserved */
2452 avio_wb32(pb, 0); /* reserved */
2453 avio_wb32(pb, 0); /* reserved */
2455 /* Matrix structure */
2456 write_matrix(pb, 1, 0, 0, 1, 0, 0);
2458 avio_wb32(pb, 0); /* reserved (preview time) */
2459 avio_wb32(pb, 0); /* reserved (preview duration) */
2460 avio_wb32(pb, 0); /* reserved (poster time) */
2461 avio_wb32(pb, 0); /* reserved (selection time) */
2462 avio_wb32(pb, 0); /* reserved (selection duration) */
2463 avio_wb32(pb, 0); /* reserved (current time) */
2464 avio_wb32(pb, max_track_id + 1); /* Next track id */
2468 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
2471 avio_wb32(pb, 33); /* size */
2472 ffio_wfourcc(pb, "hdlr");
2475 ffio_wfourcc(pb, "mdir");
2476 ffio_wfourcc(pb, "appl");
2483 /* helper function to write a data tag with the specified string as data */
2484 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
2487 int size = 16 + strlen(data);
2488 avio_wb32(pb, size); /* size */
2489 ffio_wfourcc(pb, "data");
2492 avio_write(pb, data, strlen(data));
2496 lang = ff_mov_iso639_to_lang("und", 1);
2497 avio_wb16(pb, strlen(data)); /* string length */
2498 avio_wb16(pb, lang);
2499 avio_write(pb, data, strlen(data));
2500 return strlen(data) + 4;
2504 static int mov_write_string_tag(AVIOContext *pb, const char *name,
2505 const char *value, int lang, int long_style)
2508 if (value && value[0]) {
2509 int64_t pos = avio_tell(pb);
2510 avio_wb32(pb, 0); /* size */
2511 ffio_wfourcc(pb, name);
2512 mov_write_string_data_tag(pb, value, lang, long_style);
2513 size = update_size(pb, pos);
2518 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
2519 const char *name, const char *tag,
2522 int l, lang = 0, len, len2;
2523 AVDictionaryEntry *t, *t2 = NULL;
2526 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
2529 len = strlen(t->key);
2530 snprintf(tag2, sizeof(tag2), "%s-", tag);
2531 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
2532 len2 = strlen(t2->key);
2533 if (len2 == len + 4 && !strcmp(t->value, t2->value)
2534 && (l = ff_mov_iso639_to_lang(&t2->key[len2 - 3], 1)) >= 0) {
2539 return mov_write_string_tag(pb, name, t->value, lang, long_style);
2542 /* iTunes bpm number */
2543 static int mov_write_tmpo_tag(AVIOContext *pb, AVFormatContext *s)
2545 AVDictionaryEntry *t = av_dict_get(s->metadata, "tmpo", NULL, 0);
2546 int size = 0, tmpo = t ? atoi(t->value) : 0;
2549 avio_wb32(pb, size);
2550 ffio_wfourcc(pb, "tmpo");
2551 avio_wb32(pb, size-8); /* size */
2552 ffio_wfourcc(pb, "data");
2553 avio_wb32(pb, 0x15); //type specifier
2555 avio_wb16(pb, tmpo); // data
2560 /* iTunes track or disc number */
2561 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
2562 AVFormatContext *s, int disc)
2564 AVDictionaryEntry *t = av_dict_get(s->metadata,
2565 disc ? "disc" : "track",
2567 int size = 0, track = t ? atoi(t->value) : 0;
2570 char *slash = strchr(t->value, '/');
2572 tracks = atoi(slash + 1);
2573 avio_wb32(pb, 32); /* size */
2574 ffio_wfourcc(pb, disc ? "disk" : "trkn");
2575 avio_wb32(pb, 24); /* size */
2576 ffio_wfourcc(pb, "data");
2577 avio_wb32(pb, 0); // 8 bytes empty
2579 avio_wb16(pb, 0); // empty
2580 avio_wb16(pb, track); // track / disc number
2581 avio_wb16(pb, tracks); // total track / disc number
2582 avio_wb16(pb, 0); // empty
2588 static int mov_write_int8_metadata(AVFormatContext *s, AVIOContext *pb,
2589 const char *name, const char *tag,
2592 AVDictionaryEntry *t = NULL;
2594 int size = 24 + len;
2596 if (len != 1 && len != 4)
2599 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
2601 num = atoi(t->value);
2603 avio_wb32(pb, size);
2604 ffio_wfourcc(pb, name);
2605 avio_wb32(pb, size - 8);
2606 ffio_wfourcc(pb, "data");
2607 avio_wb32(pb, 0x15);
2609 if (len==4) avio_wb32(pb, num);
2610 else avio_w8 (pb, num);
2615 /* iTunes meta data list */
2616 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
2619 int64_t pos = avio_tell(pb);
2620 avio_wb32(pb, 0); /* size */
2621 ffio_wfourcc(pb, "ilst");
2622 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
2623 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
2624 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
2625 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
2626 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
2627 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
2629 !mov_write_string_metadata(s, pb, "\251too", "encoding_tool", 1))
2630 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
2631 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
2632 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
2633 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
2634 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
2635 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
2636 mov_write_string_metadata(s, pb, "desc", "description",1);
2637 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
2638 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
2639 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
2640 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
2641 mov_write_int8_metadata (s, pb, "tves", "episode_sort",4);
2642 mov_write_int8_metadata (s, pb, "tvsn", "season_number",4);
2643 mov_write_int8_metadata (s, pb, "stik", "media_type",1);
2644 mov_write_int8_metadata (s, pb, "hdvd", "hd_video", 1);
2645 mov_write_int8_metadata (s, pb, "pgap", "gapless_playback",1);
2646 mov_write_int8_metadata (s, pb, "cpil", "compilation", 1);
2647 mov_write_trkn_tag(pb, mov, s, 0); // track number
2648 mov_write_trkn_tag(pb, mov, s, 1); // disc number
2649 mov_write_tmpo_tag(pb, s);
2650 return update_size(pb, pos);
2653 /* iTunes meta data tag */
2654 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
2658 int64_t pos = avio_tell(pb);
2659 avio_wb32(pb, 0); /* size */
2660 ffio_wfourcc(pb, "meta");
2662 mov_write_itunes_hdlr_tag(pb, mov, s);
2663 mov_write_ilst_tag(pb, mov, s);
2664 size = update_size(pb, pos);
2668 static int mov_write_raw_metadata_tag(AVFormatContext *s, AVIOContext *pb,
2669 const char *name, const char *key)
2672 AVDictionaryEntry *t;
2674 if (!(t = av_dict_get(s->metadata, key, NULL, 0)))
2677 len = strlen(t->value);
2680 avio_wb32(pb, size);
2681 ffio_wfourcc(pb, name);
2682 avio_write(pb, t->value, len);
2688 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
2692 GET_UTF8(val, *b++, return -1;)
2695 avio_wb16(pb, 0x00);
2699 static uint16_t language_code(const char *str)
2701 return (((str[0] - 0x60) & 0x1F) << 10) +
2702 (((str[1] - 0x60) & 0x1F) << 5) +
2703 (( str[2] - 0x60) & 0x1F);
2706 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
2707 const char *tag, const char *str)
2709 int64_t pos = avio_tell(pb);
2710 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
2711 if (!t || !utf8len(t->value))
2713 avio_wb32(pb, 0); /* size */
2714 ffio_wfourcc(pb, tag); /* type */
2715 avio_wb32(pb, 0); /* version + flags */
2716 if (!strcmp(tag, "yrrc"))
2717 avio_wb16(pb, atoi(t->value));
2719 avio_wb16(pb, language_code("eng")); /* language */
2720 avio_write(pb, t->value, strlen(t->value) + 1); /* UTF8 string value */
2721 if (!strcmp(tag, "albm") &&
2722 (t = av_dict_get(s->metadata, "track", NULL, 0)))
2723 avio_w8(pb, atoi(t->value));
2725 return update_size(pb, pos);
2728 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
2730 int64_t pos = avio_tell(pb);
2731 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
2733 avio_wb32(pb, 0); // size
2734 ffio_wfourcc(pb, "chpl");
2735 avio_wb32(pb, 0x01000000); // version + flags
2736 avio_wb32(pb, 0); // unknown
2737 avio_w8(pb, nb_chapters);
2739 for (i = 0; i < nb_chapters; i++) {
2740 AVChapter *c = s->chapters[i];
2741 AVDictionaryEntry *t;
2742 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
2744 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
2745 int len = FFMIN(strlen(t->value), 255);
2747 avio_write(pb, t->value, len);
2751 return update_size(pb, pos);
2754 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
2757 AVIOContext *pb_buf;
2761 ret = avio_open_dyn_buf(&pb_buf);
2765 if (mov->mode & MODE_3GP) {
2766 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
2767 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
2768 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
2769 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
2770 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
2771 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
2772 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
2773 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
2774 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
2775 mov_write_string_metadata(s, pb_buf, "\251ART", "artist", 0);
2776 mov_write_string_metadata(s, pb_buf, "\251nam", "title", 0);
2777 mov_write_string_metadata(s, pb_buf, "\251aut", "author", 0);
2778 mov_write_string_metadata(s, pb_buf, "\251alb", "album", 0);
2779 mov_write_string_metadata(s, pb_buf, "\251day", "date", 0);
2780 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder", 0);
2781 // currently ignored by mov.c
2782 mov_write_string_metadata(s, pb_buf, "\251des", "comment", 0);
2783 // add support for libquicktime, this atom is also actually read by mov.c
2784 mov_write_string_metadata(s, pb_buf, "\251cmt", "comment", 0);
2785 mov_write_string_metadata(s, pb_buf, "\251gen", "genre", 0);
2786 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright", 0);
2787 mov_write_raw_metadata_tag(s, pb_buf, "XMP_", "xmp");
2789 /* iTunes meta data */
2790 mov_write_meta_tag(pb_buf, mov, s);
2793 if (s->nb_chapters && !(mov->flags & FF_MOV_FLAG_DISABLE_CHPL))
2794 mov_write_chpl_tag(pb_buf, s);
2796 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
2797 avio_wb32(pb, size + 8);
2798 ffio_wfourcc(pb, "udta");
2799 avio_write(pb, buf, size);
2806 static void mov_write_psp_udta_tag(AVIOContext *pb,
2807 const char *str, const char *lang, int type)
2809 int len = utf8len(str) + 1;
2812 avio_wb16(pb, len * 2 + 10); /* size */
2813 avio_wb32(pb, type); /* type */
2814 avio_wb16(pb, language_code(lang)); /* language */
2815 avio_wb16(pb, 0x01); /* ? */
2816 ascii_to_wc(pb, str);
2819 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
2821 MOVMuxContext *mov = s->priv_data;
2822 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
2826 pos = avio_tell(pb);
2827 avio_wb32(pb, 0); /* size placeholder*/
2828 ffio_wfourcc(pb, "uuid");
2829 ffio_wfourcc(pb, "USMT");
2830 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2831 avio_wb32(pb, 0xbb88695c);
2832 avio_wb32(pb, 0xfac9c740);
2834 pos2 = avio_tell(pb);
2835 avio_wb32(pb, 0); /* size placeholder*/
2836 ffio_wfourcc(pb, "MTDT");
2840 avio_wb16(pb, 0x0C); /* size */
2841 avio_wb32(pb, 0x0B); /* type */
2842 avio_wb16(pb, language_code("und")); /* language */
2843 avio_wb16(pb, 0x0); /* ? */
2844 avio_wb16(pb, 0x021C); /* data */
2847 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
2848 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
2849 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
2851 update_size(pb, pos2);
2852 return update_size(pb, pos);
2858 static void build_chunks(MOVTrack *trk)
2861 MOVIentry *chunk = &trk->cluster[0];
2862 uint64_t chunkSize = chunk->size;
2863 chunk->chunkNum = 1;
2864 if (trk->chunkCount)
2866 trk->chunkCount = 1;
2867 for (i = 1; i<trk->entry; i++){
2868 if (chunk->pos + chunkSize == trk->cluster[i].pos &&
2869 chunkSize + trk->cluster[i].size < (1<<20)){
2870 chunkSize += trk->cluster[i].size;
2871 chunk->samples_in_chunk += trk->cluster[i].entries;
2873 trk->cluster[i].chunkNum = chunk->chunkNum+1;
2874 chunk=&trk->cluster[i];
2875 chunkSize = chunk->size;
2881 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
2885 int64_t pos = avio_tell(pb);
2886 avio_wb32(pb, 0); /* size placeholder*/
2887 ffio_wfourcc(pb, "moov");
2889 for (i = 0; i < mov->nb_streams; i++) {
2890 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
2893 mov->tracks[i].time = mov->time;
2894 mov->tracks[i].track_id = i + 1;
2896 if (mov->tracks[i].entry)
2897 build_chunks(&mov->tracks[i]);
2900 if (mov->chapter_track)
2901 for (i = 0; i < s->nb_streams; i++) {
2902 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
2903 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
2905 for (i = 0; i < mov->nb_streams; i++) {
2906 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
2907 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
2908 mov->tracks[i].tref_id =
2909 mov->tracks[mov->tracks[i].src_track].track_id;
2912 for (i = 0; i < mov->nb_streams; i++) {
2913 if (mov->tracks[i].tag == MKTAG('t','m','c','d')) {
2914 int src_trk = mov->tracks[i].src_track;
2915 mov->tracks[src_trk].tref_tag = mov->tracks[i].tag;
2916 mov->tracks[src_trk].tref_id = mov->tracks[i].track_id;
2917 //src_trk may have a different timescale than the tmcd track
2918 mov->tracks[i].track_duration = av_rescale(mov->tracks[src_trk].track_duration,
2919 mov->tracks[i].timescale,
2920 mov->tracks[src_trk].timescale);
2924 mov_write_mvhd_tag(pb, mov);
2925 if (mov->mode != MODE_MOV && !mov->iods_skip)
2926 mov_write_iods_tag(pb, mov);
2927 for (i = 0; i < mov->nb_streams; i++) {
2928 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
2929 mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
2932 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
2933 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
2935 if (mov->mode == MODE_PSP)
2936 mov_write_uuidusmt_tag(pb, s);
2938 mov_write_udta_tag(pb, mov, s);
2940 return update_size(pb, pos);
2943 static void param_write_int(AVIOContext *pb, const char *name, int value)
2945 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
2948 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
2950 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
2953 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
2956 len = FFMIN(sizeof(buf) / 2 - 1, len);
2957 ff_data_to_hex(buf, value, len, 0);
2958 buf[2 * len] = '\0';
2959 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
2962 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov)
2964 int64_t pos = avio_tell(pb);
2966 static const uint8_t uuid[] = {
2967 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
2968 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
2972 ffio_wfourcc(pb, "uuid");
2973 avio_write(pb, uuid, sizeof(uuid));
2976 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
2977 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
2978 avio_printf(pb, "<head>\n");
2980 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
2982 avio_printf(pb, "</head>\n");
2983 avio_printf(pb, "<body>\n");
2984 avio_printf(pb, "<switch>\n");
2985 for (i = 0; i < mov->nb_streams; i++) {
2986 MOVTrack *track = &mov->tracks[i];
2988 /* track->track_id is initialized in write_moov, and thus isn't known
2990 int track_id = i + 1;
2992 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2994 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
2999 avio_printf(pb, "<%s systemBitrate=\"%d\">\n", type,
3000 track->enc->bit_rate);
3001 param_write_int(pb, "systemBitrate", track->enc->bit_rate);
3002 param_write_int(pb, "trackID", track_id);
3003 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
3004 if (track->enc->codec_id == AV_CODEC_ID_H264) {
3006 int size = track->enc->extradata_size;
3007 if (!ff_avc_write_annexb_extradata(track->enc->extradata, &ptr,
3009 param_write_hex(pb, "CodecPrivateData",
3010 ptr ? ptr : track->enc->extradata,
3014 param_write_string(pb, "FourCC", "H264");
3015 } else if (track->enc->codec_id == AV_CODEC_ID_VC1) {
3016 param_write_string(pb, "FourCC", "WVC1");
3017 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
3018 track->enc->extradata_size);
3020 param_write_int(pb, "MaxWidth", track->enc->width);
3021 param_write_int(pb, "MaxHeight", track->enc->height);
3022 param_write_int(pb, "DisplayWidth", track->enc->width);
3023 param_write_int(pb, "DisplayHeight", track->enc->height);
3025 if (track->enc->codec_id == AV_CODEC_ID_AAC) {
3026 param_write_string(pb, "FourCC", "AACL");
3027 } else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO) {
3028 param_write_string(pb, "FourCC", "WMAP");
3030 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
3031 track->enc->extradata_size);
3032 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
3033 track->enc->codec_id));
3034 param_write_int(pb, "Channels", track->enc->channels);
3035 param_write_int(pb, "SamplingRate", track->enc->sample_rate);
3036 param_write_int(pb, "BitsPerSample", 16);
3037 param_write_int(pb, "PacketSize", track->enc->block_align ?
3038 track->enc->block_align : 4);
3040 avio_printf(pb, "</%s>\n", type);
3042 avio_printf(pb, "</switch>\n");
3043 avio_printf(pb, "</body>\n");
3044 avio_printf(pb, "</smil>\n");
3046 return update_size(pb, pos);
3049 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
3052 ffio_wfourcc(pb, "mfhd");
3054 avio_wb32(pb, mov->fragments);
3058 static int mov_write_tfhd_tag(AVIOContext *pb, MOVMuxContext *mov,
3059 MOVTrack *track, int64_t moof_offset)
3061 int64_t pos = avio_tell(pb);
3062 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
3063 MOV_TFHD_BASE_DATA_OFFSET;
3064 if (!track->entry) {
3065 flags |= MOV_TFHD_DURATION_IS_EMPTY;
3067 flags |= MOV_TFHD_DEFAULT_FLAGS;
3069 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET)
3070 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
3072 /* Don't set a default sample size, the silverlight player refuses
3073 * to play files with that set. Don't set a default sample duration,
3074 * WMP freaks out if it is set. Don't set a base data offset, PIFF
3075 * file format says it MUST NOT be set. */
3076 if (track->mode == MODE_ISM)
3077 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
3078 MOV_TFHD_BASE_DATA_OFFSET);
3080 avio_wb32(pb, 0); /* size placeholder */
3081 ffio_wfourcc(pb, "tfhd");
3082 avio_w8(pb, 0); /* version */
3083 avio_wb24(pb, flags);
3085 avio_wb32(pb, track->track_id); /* track-id */
3086 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
3087 avio_wb64(pb, moof_offset);
3088 if (flags & MOV_TFHD_DEFAULT_DURATION) {
3089 track->default_duration = get_cluster_duration(track, 0);
3090 avio_wb32(pb, track->default_duration);
3092 if (flags & MOV_TFHD_DEFAULT_SIZE) {
3093 track->default_size = track->entry ? track->cluster[0].size : 1;
3094 avio_wb32(pb, track->default_size);
3096 track->default_size = -1;
3098 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
3099 track->default_sample_flags =
3100 track->enc->codec_type == AVMEDIA_TYPE_VIDEO ?
3101 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
3102 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
3103 avio_wb32(pb, track->default_sample_flags);
3106 return update_size(pb, pos);
3109 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
3111 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
3112 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
3115 static int mov_write_trun_tag(AVIOContext *pb, MOVMuxContext *mov,
3116 MOVTrack *track, int moof_size)
3118 int64_t pos = avio_tell(pb);
3119 uint32_t flags = MOV_TRUN_DATA_OFFSET;
3122 for (i = 0; i < track->entry; i++) {
3123 if (get_cluster_duration(track, i) != track->default_duration)
3124 flags |= MOV_TRUN_SAMPLE_DURATION;
3125 if (track->cluster[i].size != track->default_size)
3126 flags |= MOV_TRUN_SAMPLE_SIZE;
3127 if (i > 0 && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
3128 flags |= MOV_TRUN_SAMPLE_FLAGS;
3130 if (!(flags & MOV_TRUN_SAMPLE_FLAGS))
3131 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
3132 if (track->flags & MOV_TRACK_CTTS)
3133 flags |= MOV_TRUN_SAMPLE_CTS;
3135 avio_wb32(pb, 0); /* size placeholder */
3136 ffio_wfourcc(pb, "trun");
3137 avio_w8(pb, 0); /* version */
3138 avio_wb24(pb, flags);
3140 avio_wb32(pb, track->entry); /* sample count */
3141 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
3142 !(mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) &&
3143 track->track_id != 1)
3144 avio_wb32(pb, 0); /* Later tracks follow immediately after the previous one */
3146 avio_wb32(pb, moof_size + 8 + track->data_offset +
3147 track->cluster[0].pos); /* data offset */
3148 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
3149 avio_wb32(pb, get_sample_flags(track, &track->cluster[0]));
3151 for (i = 0; i < track->entry; i++) {
3152 if (flags & MOV_TRUN_SAMPLE_DURATION)
3153 avio_wb32(pb, get_cluster_duration(track, i));
3154 if (flags & MOV_TRUN_SAMPLE_SIZE)
3155 avio_wb32(pb, track->cluster[i].size);
3156 if (flags & MOV_TRUN_SAMPLE_FLAGS)
3157 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
3158 if (flags & MOV_TRUN_SAMPLE_CTS)
3159 avio_wb32(pb, track->cluster[i].cts);
3162 return update_size(pb, pos);
3165 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
3167 int64_t pos = avio_tell(pb);
3168 static const uint8_t uuid[] = {
3169 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
3170 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
3173 avio_wb32(pb, 0); /* size placeholder */
3174 ffio_wfourcc(pb, "uuid");
3175 avio_write(pb, uuid, sizeof(uuid));
3178 avio_wb64(pb, track->frag_start);
3179 avio_wb64(pb, track->start_dts + track->track_duration -
3180 track->cluster[0].dts);
3182 return update_size(pb, pos);
3185 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
3186 MOVTrack *track, int entry)
3188 int n = track->nb_frag_info - 1 - entry, i;
3189 int size = 8 + 16 + 4 + 1 + 16*n;
3190 static const uint8_t uuid[] = {
3191 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
3192 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
3198 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
3199 avio_wb32(pb, size);
3200 ffio_wfourcc(pb, "uuid");
3201 avio_write(pb, uuid, sizeof(uuid));
3205 for (i = 0; i < n; i++) {
3206 int index = entry + 1 + i;
3207 avio_wb64(pb, track->frag_info[index].time);
3208 avio_wb64(pb, track->frag_info[index].duration);
3210 if (n < mov->ism_lookahead) {
3211 int free_size = 16 * (mov->ism_lookahead - n);
3212 avio_wb32(pb, free_size);
3213 ffio_wfourcc(pb, "free");
3214 ffio_fill(pb, 0, free_size - 8);
3220 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
3223 int64_t pos = avio_tell(pb);
3225 for (i = 0; i < mov->ism_lookahead; i++) {
3226 /* Update the tfrf tag for the last ism_lookahead fragments,
3227 * nb_frag_info - 1 is the next fragment to be written. */
3228 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
3230 avio_seek(pb, pos, SEEK_SET);
3234 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
3235 MOVTrack *track, int64_t moof_offset,
3238 int64_t pos = avio_tell(pb);
3239 avio_wb32(pb, 0); /* size placeholder */
3240 ffio_wfourcc(pb, "traf");
3242 mov_write_tfhd_tag(pb, mov, track, moof_offset);
3243 mov_write_trun_tag(pb, mov, track, moof_size);
3244 if (mov->mode == MODE_ISM) {
3245 mov_write_tfxd_tag(pb, track);
3247 if (mov->ism_lookahead) {
3248 int i, size = 16 + 4 + 1 + 16 * mov->ism_lookahead;
3250 track->tfrf_offset = avio_tell(pb);
3251 avio_wb32(pb, 8 + size);
3252 ffio_wfourcc(pb, "free");
3253 for (i = 0; i < size; i++)
3258 return update_size(pb, pos);
3261 static int mov_write_moof_tag_internal(AVIOContext *pb, MOVMuxContext *mov,
3262 int tracks, int moof_size)
3264 int64_t pos = avio_tell(pb);
3267 avio_wb32(pb, 0); /* size placeholder */
3268 ffio_wfourcc(pb, "moof");
3270 mov_write_mfhd_tag(pb, mov);
3271 for (i = 0; i < mov->nb_streams; i++) {
3272 MOVTrack *track = &mov->tracks[i];
3273 if (tracks >= 0 && i != tracks)
3277 mov_write_traf_tag(pb, mov, track, pos, moof_size);
3280 return update_size(pb, pos);
3283 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
3285 AVIOContext *avio_buf;
3288 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
3290 mov_write_moof_tag_internal(avio_buf, mov, tracks, 0);
3291 moof_size = ffio_close_null_buf(avio_buf);
3292 return mov_write_moof_tag_internal(pb, mov, tracks, moof_size);
3295 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
3297 int64_t pos = avio_tell(pb);
3300 avio_wb32(pb, 0); /* size placeholder */
3301 ffio_wfourcc(pb, "tfra");
3302 avio_w8(pb, 1); /* version */
3305 avio_wb32(pb, track->track_id);
3306 avio_wb32(pb, 0); /* length of traf/trun/sample num */
3307 avio_wb32(pb, track->nb_frag_info);
3308 for (i = 0; i < track->nb_frag_info; i++) {
3309 avio_wb64(pb, track->frag_info[i].time);
3310 avio_wb64(pb, track->frag_info[i].offset);
3311 avio_w8(pb, 1); /* traf number */
3312 avio_w8(pb, 1); /* trun number */
3313 avio_w8(pb, 1); /* sample number */
3316 return update_size(pb, pos);
3319 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
3321 int64_t pos = avio_tell(pb);
3324 avio_wb32(pb, 0); /* size placeholder */
3325 ffio_wfourcc(pb, "mfra");
3326 /* An empty mfra atom is enough to indicate to the publishing point that
3327 * the stream has ended. */
3328 if (mov->flags & FF_MOV_FLAG_ISML)
3329 return update_size(pb, pos);
3331 for (i = 0; i < mov->nb_streams; i++) {
3332 MOVTrack *track = &mov->tracks[i];
3333 if (track->nb_frag_info)
3334 mov_write_tfra_tag(pb, track);
3338 ffio_wfourcc(pb, "mfro");
3339 avio_wb32(pb, 0); /* version + flags */
3340 avio_wb32(pb, avio_tell(pb) + 4 - pos);
3342 return update_size(pb, pos);
3345 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
3347 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
3348 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
3350 mov->mdat_pos = avio_tell(pb);
3351 avio_wb32(pb, 0); /* size placeholder*/
3352 ffio_wfourcc(pb, "mdat");
3356 /* TODO: This needs to be more general */
3357 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
3359 MOVMuxContext *mov = s->priv_data;
3360 int64_t pos = avio_tell(pb);
3361 int has_h264 = 0, has_video = 0;
3365 for (i = 0; i < s->nb_streams; i++) {
3366 AVStream *st = s->streams[i];
3367 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
3369 if (st->codec->codec_id == AV_CODEC_ID_H264)
3373 avio_wb32(pb, 0); /* size */
3374 ffio_wfourcc(pb, "ftyp");
3376 if (mov->major_brand && strlen(mov->major_brand) >= 4)
3377 ffio_wfourcc(pb, mov->major_brand);
3378 else if (mov->mode == MODE_3GP) {
3379 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
3380 minor = has_h264 ? 0x100 : 0x200;
3381 } else if (mov->mode & MODE_3G2) {
3382 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
3383 minor = has_h264 ? 0x20000 : 0x10000;
3384 } else if (mov->mode == MODE_PSP)
3385 ffio_wfourcc(pb, "MSNV");
3386 else if (mov->mode == MODE_MP4)
3387 ffio_wfourcc(pb, "isom");
3388 else if (mov->mode == MODE_IPOD)
3389 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
3390 else if (mov->mode == MODE_ISM)
3391 ffio_wfourcc(pb, "isml");
3392 else if (mov->mode == MODE_F4V)
3393 ffio_wfourcc(pb, "f4v ");
3395 ffio_wfourcc(pb, "qt ");
3397 avio_wb32(pb, minor);
3399 if (mov->mode == MODE_MOV)
3400 ffio_wfourcc(pb, "qt ");
3401 else if (mov->mode == MODE_ISM) {
3402 ffio_wfourcc(pb, "piff");
3403 ffio_wfourcc(pb, "iso2");
3405 ffio_wfourcc(pb, "isom");
3406 ffio_wfourcc(pb, "iso2");
3408 ffio_wfourcc(pb, "avc1");
3411 if (mov->mode == MODE_3GP)
3412 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
3413 else if (mov->mode & MODE_3G2)
3414 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
3415 else if (mov->mode == MODE_PSP)
3416 ffio_wfourcc(pb, "MSNV");
3417 else if (mov->mode == MODE_MP4)
3418 ffio_wfourcc(pb, "mp41");
3419 return update_size(pb, pos);
3422 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
3424 AVStream *video_st = s->streams[0];
3425 AVCodecContext *video_codec = s->streams[0]->codec;
3426 AVCodecContext *audio_codec = s->streams[1]->codec;
3427 int audio_rate = audio_codec->sample_rate;
3428 // TODO: should be avg_frame_rate
3429 int frame_rate = ((video_st->time_base.den) * (0x10000)) / (video_st->time_base.num);
3430 int audio_kbitrate = audio_codec->bit_rate / 1000;
3431 int video_kbitrate = FFMIN(video_codec->bit_rate / 1000, 800 - audio_kbitrate);
3433 avio_wb32(pb, 0x94); /* size */
3434 ffio_wfourcc(pb, "uuid");
3435 ffio_wfourcc(pb, "PROF");
3437 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
3438 avio_wb32(pb, 0xbb88695c);
3439 avio_wb32(pb, 0xfac9c740);
3441 avio_wb32(pb, 0x0); /* ? */
3442 avio_wb32(pb, 0x3); /* 3 sections ? */
3444 avio_wb32(pb, 0x14); /* size */
3445 ffio_wfourcc(pb, "FPRF");
3446 avio_wb32(pb, 0x0); /* ? */
3447 avio_wb32(pb, 0x0); /* ? */
3448 avio_wb32(pb, 0x0); /* ? */
3450 avio_wb32(pb, 0x2c); /* size */
3451 ffio_wfourcc(pb, "APRF"); /* audio */
3453 avio_wb32(pb, 0x2); /* TrackID */
3454 ffio_wfourcc(pb, "mp4a");
3455 avio_wb32(pb, 0x20f);
3457 avio_wb32(pb, audio_kbitrate);
3458 avio_wb32(pb, audio_kbitrate);
3459 avio_wb32(pb, audio_rate);
3460 avio_wb32(pb, audio_codec->channels);
3462 avio_wb32(pb, 0x34); /* size */
3463 ffio_wfourcc(pb, "VPRF"); /* video */
3465 avio_wb32(pb, 0x1); /* TrackID */
3466 if (video_codec->codec_id == AV_CODEC_ID_H264) {
3467 ffio_wfourcc(pb, "avc1");
3468 avio_wb16(pb, 0x014D);
3469 avio_wb16(pb, 0x0015);
3471 ffio_wfourcc(pb, "mp4v");
3472 avio_wb16(pb, 0x0000);
3473 avio_wb16(pb, 0x0103);
3476 avio_wb32(pb, video_kbitrate);
3477 avio_wb32(pb, video_kbitrate);
3478 avio_wb32(pb, frame_rate);
3479 avio_wb32(pb, frame_rate);
3480 avio_wb16(pb, video_codec->width);
3481 avio_wb16(pb, video_codec->height);
3482 avio_wb32(pb, 0x010001); /* ? */
3485 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
3488 int i, closed_gop = 0;
3490 for (i = 0; i < pkt->size - 4; i++) {
3491 c = (c << 8) + pkt->data[i];
3492 if (c == 0x1b8) { // gop
3493 closed_gop = pkt->data[i + 4] >> 6 & 0x01;
3494 } else if (c == 0x100) { // pic
3495 int temp_ref = (pkt->data[i + 1] << 2) | (pkt->data[i + 2] >> 6);
3496 if (!temp_ref || closed_gop) // I picture is not reordered
3497 *flags = MOV_SYNC_SAMPLE;
3499 *flags = MOV_PARTIAL_SYNC_SAMPLE;
3506 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk, int fragment)
3508 const uint8_t *start, *next, *end = pkt->data + pkt->size;
3509 int seq = 0, entry = 0;
3510 int key = pkt->flags & AV_PKT_FLAG_KEY;
3511 start = find_next_marker(pkt->data, end);
3512 for (next = start; next < end; start = next) {
3513 next = find_next_marker(start + 4, end);
3514 switch (AV_RB32(start)) {
3515 case VC1_CODE_SEQHDR:
3518 case VC1_CODE_ENTRYPOINT:
3521 case VC1_CODE_SLICE:
3522 trk->vc1_info.slices = 1;
3526 if (!trk->entry && !fragment) {
3527 /* First packet in first fragment */
3528 trk->vc1_info.first_packet_seq = seq;
3529 trk->vc1_info.first_packet_entry = entry;
3530 } else if ((seq && !trk->vc1_info.packet_seq) ||
3531 (entry && !trk->vc1_info.packet_entry)) {
3533 for (i = 0; i < trk->entry; i++)
3534 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
3535 trk->has_keyframes = 0;
3537 trk->vc1_info.packet_seq = 1;
3539 trk->vc1_info.packet_entry = 1;
3541 /* First fragment */
3542 if ((!seq || trk->vc1_info.first_packet_seq) &&
3543 (!entry || trk->vc1_info.first_packet_entry)) {
3544 /* First packet had the same headers as this one, readd the
3545 * sync sample flag. */
3546 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
3547 trk->has_keyframes = 1;
3551 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
3553 else if (trk->vc1_info.packet_seq)
3555 else if (trk->vc1_info.packet_entry)
3558 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
3559 trk->has_keyframes++;
3563 static int mov_flush_fragment(AVFormatContext *s)
3565 MOVMuxContext *mov = s->priv_data;
3566 int i, first_track = -1;
3567 int64_t mdat_size = 0;
3569 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
3572 if (!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV) && mov->fragments == 0) {
3573 int64_t pos = avio_tell(s->pb);
3575 int buf_size, moov_size;
3577 for (i = 0; i < mov->nb_streams; i++)
3578 if (!mov->tracks[i].entry)
3580 /* Don't write the initial moov unless all tracks have data */
3581 if (i < mov->nb_streams)
3584 moov_size = get_moov_size(s);
3585 for (i = 0; i < mov->nb_streams; i++)
3586 mov->tracks[i].data_offset = pos + moov_size + 8;
3588 mov_write_moov_tag(s->pb, mov, s);
3590 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
3591 mov->mdat_buf = NULL;
3592 avio_wb32(s->pb, buf_size + 8);
3593 ffio_wfourcc(s->pb, "mdat");
3594 avio_write(s->pb, buf, buf_size);
3599 for (i = 0; i < mov->nb_streams; i++) {
3600 if (mov->tracks[i].entry)
3601 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
3602 mov->tracks[i].track_duration -
3603 mov->tracks[i].cluster[0].dts;
3604 mov->tracks[i].entry = 0;
3610 for (i = 0; i < mov->nb_streams; i++) {
3611 MOVTrack *track = &mov->tracks[i];
3612 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF)
3613 track->data_offset = 0;
3615 track->data_offset = mdat_size;
3616 if (!track->mdat_buf)
3618 mdat_size += avio_tell(track->mdat_buf);
3619 if (first_track < 0)
3626 for (i = 0; i < mov->nb_streams; i++) {
3627 MOVTrack *track = &mov->tracks[i];
3628 int buf_size, write_moof = 1, moof_tracks = -1;
3630 int64_t duration = 0;
3633 duration = track->start_dts + track->track_duration -
3634 track->cluster[0].dts;
3635 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
3636 if (!track->mdat_buf)
3638 mdat_size = avio_tell(track->mdat_buf);
3641 write_moof = i == first_track;
3645 MOVFragmentInfo *info;
3647 track->nb_frag_info++;
3648 if (track->nb_frag_info >= track->frag_info_capacity) {
3649 unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT;
3650 if (av_reallocp_array(&track->frag_info,
3652 sizeof(*track->frag_info)))
3653 return AVERROR(ENOMEM);
3654 track->frag_info_capacity = new_capacity;
3656 info = &track->frag_info[track->nb_frag_info - 1];
3657 info->offset = avio_tell(s->pb);
3658 info->time = mov->tracks[i].frag_start;
3659 info->duration = duration;
3660 mov_write_tfrf_tags(s->pb, mov, track);
3662 mov_write_moof_tag(s->pb, mov, moof_tracks);
3663 info->tfrf_offset = track->tfrf_offset;
3666 avio_wb32(s->pb, mdat_size + 8);
3667 ffio_wfourcc(s->pb, "mdat");
3671 track->frag_start += duration;
3673 if (!track->mdat_buf)
3675 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
3676 track->mdat_buf = NULL;
3678 avio_write(s->pb, buf, buf_size);
3688 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
3690 MOVMuxContext *mov = s->priv_data;
3691 AVIOContext *pb = s->pb;
3692 MOVTrack *trk = &mov->tracks[pkt->stream_index];
3693 AVCodecContext *enc = trk->enc;
3694 unsigned int samples_in_chunk = 0;
3695 int size = pkt->size;
3696 uint8_t *reformatted_data = NULL;
3699 int64_t duration = pkt->dts - trk->cluster[trk->entry - 1].dts;
3700 if (duration < 0 || duration > INT_MAX) {
3701 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" / timestamp: %"PRId64" is out of range for mov/mp4 format\n",
3705 pkt->dts = trk->cluster[trk->entry - 1].dts + 1;
3706 pkt->pts = AV_NOPTS_VALUE;
3708 if (pkt->duration < 0) {
3709 av_log(s, AV_LOG_ERROR, "Application provided duration: %d is invalid\n", pkt->duration);
3710 return AVERROR(EINVAL);
3713 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
3715 if (mov->fragments > 0) {
3716 if (!trk->mdat_buf) {
3717 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
3722 if (!mov->mdat_buf) {
3723 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
3730 if (enc->codec_id == AV_CODEC_ID_AMR_NB) {
3731 /* We must find out how many AMR blocks there are in one packet */
3732 static uint16_t packed_size[16] =
3733 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
3736 while (len < size && samples_in_chunk < 100) {
3737 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
3740 if (samples_in_chunk > 1) {
3741 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
3744 } else if (enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
3745 enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
3746 samples_in_chunk = enc->frame_size;
3747 } else if (trk->sample_size)
3748 samples_in_chunk = size / trk->sample_size;
3750 samples_in_chunk = 1;
3752 /* copy extradata if it exists */
3753 if (trk->vos_len == 0 && enc->extradata_size > 0 && !TAG_IS_AVCI(trk->tag)) {
3754 trk->vos_len = enc->extradata_size;
3755 trk->vos_data = av_malloc(trk->vos_len);
3756 memcpy(trk->vos_data, enc->extradata, trk->vos_len);
3759 if (enc->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 &&
3760 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
3761 if (!s->streams[pkt->stream_index]->nb_frames) {
3762 av_log(s, AV_LOG_ERROR, "Malformed AAC bitstream detected: "
3763 "use the audio bitstream filter 'aac_adtstoasc' to fix it "
3764 "('-bsf:a aac_adtstoasc' option with ffmpeg)\n");
3767 av_log(s, AV_LOG_WARNING, "aac bitstream error\n");
3769 if (enc->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1 && !TAG_IS_AVCI(trk->tag)) {
3770 /* from x264 or from bytestream h264 */
3771 /* nal reformating needed */
3772 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
3773 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
3775 avio_write(pb, reformatted_data, size);
3777 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
3779 } else if (enc->codec_id == AV_CODEC_ID_HEVC && trk->vos_len > 6 &&
3780 (AV_RB24(trk->vos_data) == 1 || AV_RB32(trk->vos_data) == 1)) {
3781 /* extradata is Annex B, assume the bitstream is too and convert it */
3782 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
3783 ff_hevc_annexb2mp4_buf(pkt->data, &reformatted_data, &size, 0, NULL);
3784 avio_write(pb, reformatted_data, size);
3786 size = ff_hevc_annexb2mp4(pb, pkt->data, pkt->size, 0, NULL);
3788 } else if (enc->codec_id == AV_CODEC_ID_EAC3) {
3789 size = handle_eac3(mov, pkt, trk);
3792 avio_write(pb, pkt->data, size);
3794 avio_write(pb, pkt->data, size);
3797 if ((enc->codec_id == AV_CODEC_ID_DNXHD ||
3798 enc->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len) {
3799 /* copy frame to create needed atoms */
3800 trk->vos_len = size;
3801 trk->vos_data = av_malloc(size);
3803 return AVERROR(ENOMEM);
3804 memcpy(trk->vos_data, pkt->data, size);
3807 if (trk->entry >= trk->cluster_capacity) {
3808 unsigned new_capacity = 2 * (trk->entry + MOV_INDEX_CLUSTER_SIZE);
3809 if (av_reallocp_array(&trk->cluster, new_capacity,
3810 sizeof(*trk->cluster)))
3811 return AVERROR(ENOMEM);
3812 trk->cluster_capacity = new_capacity;
3815 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
3816 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
3817 trk->cluster[trk->entry].chunkNum = 0;
3818 trk->cluster[trk->entry].size = size;
3819 trk->cluster[trk->entry].entries = samples_in_chunk;
3820 trk->cluster[trk->entry].dts = pkt->dts;
3821 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
3822 /* First packet of a new fragment. We already wrote the duration
3823 * of the last packet of the previous fragment based on track_duration,
3824 * which might not exactly match our dts. Therefore adjust the dts
3825 * of this packet to be what the previous packets duration implies. */
3826 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
3828 if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !supports_edts(mov)) {
3829 trk->cluster[trk->entry].dts = trk->start_dts = 0;
3831 if (trk->start_dts == AV_NOPTS_VALUE)
3832 trk->start_dts = pkt->dts;
3833 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
3834 trk->last_sample_is_subtitle_end = 0;
3836 if (pkt->pts == AV_NOPTS_VALUE) {
3837 av_log(s, AV_LOG_WARNING, "pts has no value\n");
3838 pkt->pts = pkt->dts;
3840 if (pkt->dts != pkt->pts)
3841 trk->flags |= MOV_TRACK_CTTS;
3842 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
3843 trk->cluster[trk->entry].flags = 0;
3844 if (enc->codec_id == AV_CODEC_ID_VC1) {
3845 mov_parse_vc1_frame(pkt, trk, mov->fragments);
3846 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
3847 if (mov->mode == MODE_MOV && enc->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
3848 trk->entry > 0) { // force sync sample for the first key frame
3849 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
3850 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
3851 trk->flags |= MOV_TRACK_STPS;
3853 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
3855 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
3856 trk->has_keyframes++;
3859 trk->sample_count += samples_in_chunk;
3860 mov->mdat_size += size;
3862 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
3863 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
3864 reformatted_data, size);
3865 av_free(reformatted_data);
3869 static int mov_write_single_packet(AVFormatContext *s, AVPacket *pkt)
3871 MOVMuxContext *mov = s->priv_data;
3872 MOVTrack *trk = &mov->tracks[pkt->stream_index];
3873 AVCodecContext *enc = trk->enc;
3874 int64_t frag_duration = 0;
3875 int size = pkt->size;
3878 return 0; /* Discard 0 sized packets */
3880 if (trk->entry && pkt->stream_index < s->nb_streams)
3881 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
3882 s->streams[pkt->stream_index]->time_base,
3884 if ((mov->max_fragment_duration &&
3885 frag_duration >= mov->max_fragment_duration) ||
3886 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
3887 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
3888 enc->codec_type == AVMEDIA_TYPE_VIDEO &&
3889 trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) {
3890 if (frag_duration >= mov->min_fragment_duration)
3891 mov_flush_fragment(s);
3894 return ff_mov_write_packet(s, pkt);
3897 static int mov_write_subtitle_end_packet(AVFormatContext *s,
3901 uint8_t data[2] = {0};
3904 av_init_packet(&end);
3905 end.size = sizeof(data);
3910 end.stream_index = stream_index;
3912 ret = mov_write_single_packet(s, &end);
3913 av_free_packet(&end);
3918 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
3921 mov_flush_fragment(s);
3925 MOVMuxContext *mov = s->priv_data;
3927 if (!pkt->size) return 0; /* Discard 0 sized packets */
3930 * Subtitles require special handling.
3932 * 1) For full complaince, every track must have a sample at
3933 * dts == 0, which is rarely true for subtitles. So, as soon
3934 * as we see any packet with dts > 0, write an empty subtitle
3935 * at dts == 0 for any subtitle track with no samples in it.
3937 * 2) For each subtitle track, check if the current packet's
3938 * dts is past the duration of the last subtitle sample. If
3939 * so, we now need to write an end sample for that subtitle.
3941 * This must be done conditionally to allow for subtitles that
3942 * immediately replace each other, in which case an end sample
3943 * is not needed, and is, in fact, actively harmful.
3945 * 3) See mov_write_trailer for how the final end sample is
3948 for (i = 0; i < mov->nb_streams; i++) {
3949 MOVTrack *trk = &mov->tracks[i];
3952 if (trk->enc->codec_id == AV_CODEC_ID_MOV_TEXT &&
3953 trk->track_duration < pkt->dts &&
3954 (trk->entry == 0 || !trk->last_sample_is_subtitle_end)) {
3955 ret = mov_write_subtitle_end_packet(s, i, trk->track_duration);
3956 if (ret < 0) return ret;
3957 trk->last_sample_is_subtitle_end = 1;
3961 return mov_write_single_packet(s, pkt);
3965 // QuickTime chapters involve an additional text track with the chapter names
3966 // as samples, and a tref pointing from the other tracks to the chapter one.
3967 static int mov_create_chapter_track(AVFormatContext *s, int tracknum)
3971 MOVMuxContext *mov = s->priv_data;
3972 MOVTrack *track = &mov->tracks[tracknum];
3973 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
3976 track->mode = mov->mode;
3977 track->tag = MKTAG('t','e','x','t');
3978 track->timescale = MOV_TIMESCALE;
3979 track->enc = avcodec_alloc_context3(NULL);
3981 return AVERROR(ENOMEM);
3982 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3984 // These properties are required to make QT recognize the chapter track
3985 uint8_t chapter_properties[43] = { 0, 0, 0, 0, 0, 0, 0, 1, };
3986 if (ff_alloc_extradata(track->enc, sizeof(chapter_properties)))
3987 return AVERROR(ENOMEM);
3988 memcpy(track->enc->extradata, chapter_properties, sizeof(chapter_properties));
3990 if (avio_open_dyn_buf(&pb) >= 0) {
3994 /* Stub header (usually for Quicktime chapter track) */
3996 avio_wb32(pb, 0x01); // displayFlags
3997 avio_w8(pb, 0x00); // horizontal justification
3998 avio_w8(pb, 0x00); // vertical justification
3999 avio_w8(pb, 0x00); // bgColourRed
4000 avio_w8(pb, 0x00); // bgColourGreen
4001 avio_w8(pb, 0x00); // bgColourBlue
4002 avio_w8(pb, 0x00); // bgColourAlpha
4004 avio_wb16(pb, 0x00); // defTextBoxTop
4005 avio_wb16(pb, 0x00); // defTextBoxLeft
4006 avio_wb16(pb, 0x00); // defTextBoxBottom
4007 avio_wb16(pb, 0x00); // defTextBoxRight
4009 avio_wb16(pb, 0x00); // startChar
4010 avio_wb16(pb, 0x00); // endChar
4011 avio_wb16(pb, 0x01); // fontID
4012 avio_w8(pb, 0x00); // fontStyleFlags
4013 avio_w8(pb, 0x00); // fontSize
4014 avio_w8(pb, 0x00); // fgColourRed
4015 avio_w8(pb, 0x00); // fgColourGreen
4016 avio_w8(pb, 0x00); // fgColourBlue
4017 avio_w8(pb, 0x00); // fgColourAlpha
4019 avio_wb32(pb, 0x0D); // box size
4020 ffio_wfourcc(pb, "ftab"); // box atom name
4021 avio_wb16(pb, 0x01); // entry count
4023 avio_wb16(pb, 0x01); // font ID
4024 avio_w8(pb, 0x00); // font name length
4026 if ((size = avio_close_dyn_buf(pb, &buf)) > 0) {
4027 track->enc->extradata = buf;
4028 track->enc->extradata_size = size;
4035 for (i = 0; i < s->nb_chapters; i++) {
4036 AVChapter *c = s->chapters[i];
4037 AVDictionaryEntry *t;
4039 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
4040 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
4041 pkt.duration = end - pkt.dts;
4043 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
4044 const char encd[12] = {
4045 0x00, 0x00, 0x00, 0x0C,
4047 0x00, 0x00, 0x01, 0x00 };
4048 len = strlen(t->value);
4049 pkt.size = len + 2 + 12;
4050 pkt.data = av_malloc(pkt.size);
4052 return AVERROR(ENOMEM);
4053 AV_WB16(pkt.data, len);
4054 memcpy(pkt.data + 2, t->value, len);
4055 memcpy(pkt.data + len + 2, encd, sizeof(encd));
4056 ff_mov_write_packet(s, &pkt);
4057 av_freep(&pkt.data);
4064 static int mov_create_timecode_track(AVFormatContext *s, int index, int src_index, const char *tcstr)
4067 MOVMuxContext *mov = s->priv_data;
4068 MOVTrack *track = &mov->tracks[index];
4069 AVStream *src_st = s->streams[src_index];
4071 AVPacket pkt = {.stream_index = index, .flags = AV_PKT_FLAG_KEY, .size = 4};
4072 AVRational rate = find_fps(s, src_st);
4074 /* compute the frame number */
4075 ret = av_timecode_init_from_string(&tc, rate, tcstr, s);
4079 /* tmcd track based on video stream */
4080 track->mode = mov->mode;
4081 track->tag = MKTAG('t','m','c','d');
4082 track->src_track = src_index;
4083 track->timescale = mov->tracks[src_index].timescale;
4084 if (tc.flags & AV_TIMECODE_FLAG_DROPFRAME)
4085 track->timecode_flags |= MOV_TIMECODE_FLAG_DROPFRAME;
4087 /* set st to src_st for metadata access*/
4090 /* encode context: tmcd data stream */
4091 track->enc = avcodec_alloc_context3(NULL);
4092 track->enc->codec_type = AVMEDIA_TYPE_DATA;
4093 track->enc->codec_tag = track->tag;
4094 track->enc->time_base = av_inv_q(rate);
4096 /* the tmcd track just contains one packet with the frame number */
4097 pkt.data = av_malloc(pkt.size);
4098 AV_WB32(pkt.data, tc.start);
4099 ret = ff_mov_write_packet(s, &pkt);
4105 * st->disposition controls the "enabled" flag in the tkhd tag.
4106 * QuickTime will not play a track if it is not enabled. So make sure
4107 * that one track of each type (audio, video, subtitle) is enabled.
4109 * Subtitles are special. For audio and video, setting "enabled" also
4110 * makes the track "default" (i.e. it is rendered when played). For
4111 * subtitles, an "enabled" subtitle is not rendered by default, but
4112 * if no subtitle is enabled, the subtitle menu in QuickTime will be
4115 static void enable_tracks(AVFormatContext *s)
4117 MOVMuxContext *mov = s->priv_data;
4119 int enabled[AVMEDIA_TYPE_NB];
4120 int first[AVMEDIA_TYPE_NB];
4122 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
4127 for (i = 0; i < s->nb_streams; i++) {
4128 AVStream *st = s->streams[i];
4130 if (st->codec->codec_type <= AVMEDIA_TYPE_UNKNOWN ||
4131 st->codec->codec_type >= AVMEDIA_TYPE_NB)
4134 if (first[st->codec->codec_type] < 0)
4135 first[st->codec->codec_type] = i;
4136 if (st->disposition & AV_DISPOSITION_DEFAULT) {
4137 mov->tracks[i].flags |= MOV_TRACK_ENABLED;
4138 enabled[st->codec->codec_type]++;
4142 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
4144 case AVMEDIA_TYPE_VIDEO:
4145 case AVMEDIA_TYPE_AUDIO:
4146 case AVMEDIA_TYPE_SUBTITLE:
4148 mov->per_stream_grouping = 1;
4149 if (!enabled[i] && first[i] >= 0)
4150 mov->tracks[first[i]].flags |= MOV_TRACK_ENABLED;
4156 static void mov_free(AVFormatContext *s)
4158 MOVMuxContext *mov = s->priv_data;
4161 if (mov->chapter_track) {
4162 if (mov->tracks[mov->chapter_track].enc)
4163 av_freep(&mov->tracks[mov->chapter_track].enc->extradata);
4164 av_freep(&mov->tracks[mov->chapter_track].enc);
4167 for (i = 0; i < mov->nb_streams; i++) {
4168 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
4169 ff_mov_close_hinting(&mov->tracks[i]);
4170 else if (mov->tracks[i].tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd)
4171 av_freep(&mov->tracks[i].enc);
4172 av_freep(&mov->tracks[i].cluster);
4173 av_freep(&mov->tracks[i].frag_info);
4175 if (mov->tracks[i].vos_len)
4176 av_freep(&mov->tracks[i].vos_data);
4179 av_freep(&mov->tracks);
4182 static uint32_t rgb_to_yuv(uint32_t rgb)
4187 r = (rgb >> 16) & 0xFF;
4188 g = (rgb >> 8) & 0xFF;
4191 y = av_clip_uint8( 16. + 0.257 * r + 0.504 * g + 0.098 * b);
4192 cb = av_clip_uint8(128. - 0.148 * r - 0.291 * g + 0.439 * b);
4193 cr = av_clip_uint8(128. + 0.439 * r - 0.368 * g - 0.071 * b);
4195 return (y << 16) | (cr << 8) | cb;
4198 static int mov_create_dvd_sub_decoder_specific_info(MOVTrack *track,
4201 int i, width = 720, height = 480;
4202 int have_palette = 0, have_size = 0;
4203 uint32_t palette[16];
4204 char *cur = st->codec->extradata;
4206 while (cur && *cur) {
4207 if (strncmp("palette:", cur, 8) == 0) {
4209 count = sscanf(cur + 8,
4210 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
4211 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
4212 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
4213 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32"",
4214 &palette[ 0], &palette[ 1], &palette[ 2], &palette[ 3],
4215 &palette[ 4], &palette[ 5], &palette[ 6], &palette[ 7],
4216 &palette[ 8], &palette[ 9], &palette[10], &palette[11],
4217 &palette[12], &palette[13], &palette[14], &palette[15]);
4219 for (i = 0; i < count; i++) {
4220 palette[i] = rgb_to_yuv(palette[i]);
4223 } else if (!strncmp("size:", cur, 5)) {
4224 sscanf(cur + 5, "%dx%d", &width, &height);
4227 if (have_palette && have_size)
4229 cur += strcspn(cur, "\n\r");
4230 cur += strspn(cur, "\n\r");
4233 track->vos_data = av_malloc(16*4);
4234 if (!track->vos_data)
4235 return AVERROR(ENOMEM);
4236 for (i = 0; i < 16; i++) {
4237 AV_WB32(track->vos_data + i * 4, palette[i]);
4239 track->vos_len = 16 * 4;
4241 st->codec->width = width;
4242 st->codec->height = track->height = height;
4247 static int mov_write_header(AVFormatContext *s)
4249 AVIOContext *pb = s->pb;
4250 MOVMuxContext *mov = s->priv_data;
4251 AVDictionaryEntry *t, *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
4252 int i, ret, hint_track = 0, tmcd_track = 0;
4256 /* Default mode == MP4 */
4257 mov->mode = MODE_MP4;
4260 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
4261 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
4262 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
4263 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
4264 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
4265 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
4266 else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V;
4269 if (s->flags & AVFMT_FLAG_BITEXACT)
4272 /* Set the FRAGMENT flag if any of the fragmentation methods are
4274 if (mov->max_fragment_duration || mov->max_fragment_size ||
4275 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
4276 FF_MOV_FLAG_FRAG_KEYFRAME |
4277 FF_MOV_FLAG_FRAG_CUSTOM))
4278 mov->flags |= FF_MOV_FLAG_FRAGMENT;
4280 /* Set other implicit flags immediately */
4281 if (mov->mode == MODE_ISM)
4282 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
4283 FF_MOV_FLAG_FRAGMENT;
4285 /* faststart: moov at the beginning of the file, if supported */
4286 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
4287 if ((mov->flags & FF_MOV_FLAG_FRAGMENT) ||
4288 (s->flags & AVFMT_FLAG_CUSTOM_IO)) {
4289 av_log(s, AV_LOG_WARNING, "The faststart flag is incompatible "
4290 "with fragmentation and custom IO, disabling faststart\n");
4291 mov->flags &= ~FF_MOV_FLAG_FASTSTART;
4293 mov->reserved_moov_size = -1;
4296 if (!supports_edts(mov) && s->avoid_negative_ts < 0) {
4297 s->avoid_negative_ts = 2;
4300 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
4301 * is enabled, we don't support non-seekable output at all. */
4302 if (!s->pb->seekable &&
4303 (!(mov->flags & FF_MOV_FLAG_FRAGMENT) || mov->ism_lookahead)) {
4304 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
4305 return AVERROR(EINVAL);
4308 mov_write_ftyp_tag(pb,s);
4309 if (mov->mode == MODE_PSP) {
4310 int video_streams_nb = 0, audio_streams_nb = 0, other_streams_nb = 0;
4311 for (i = 0; i < s->nb_streams; i++) {
4312 AVStream *st = s->streams[i];
4313 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
4315 else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
4321 if (video_streams_nb != 1 || audio_streams_nb != 1 || other_streams_nb) {
4322 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
4323 return AVERROR(EINVAL);
4325 mov_write_uuidprof_tag(pb, s);
4328 mov->nb_streams = s->nb_streams;
4329 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
4330 mov->chapter_track = mov->nb_streams++;
4332 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
4333 /* Add hint tracks for each audio and video stream */
4334 hint_track = mov->nb_streams;
4335 for (i = 0; i < s->nb_streams; i++) {
4336 AVStream *st = s->streams[i];
4337 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
4338 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
4344 if (mov->mode == MODE_MOV) {
4345 tmcd_track = mov->nb_streams;
4347 /* +1 tmcd track for each video stream with a timecode */
4348 for (i = 0; i < s->nb_streams; i++) {
4349 AVStream *st = s->streams[i];
4350 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
4351 (global_tcr || av_dict_get(st->metadata, "timecode", NULL, 0)))
4352 mov->nb_meta_tmcd++;
4355 /* check if there is already a tmcd track to remux */
4356 if (mov->nb_meta_tmcd) {
4357 for (i = 0; i < s->nb_streams; i++) {
4358 AVStream *st = s->streams[i];
4359 if (st->codec->codec_tag == MKTAG('t','m','c','d')) {
4360 av_log(s, AV_LOG_WARNING, "You requested a copy of the original timecode track "
4361 "so timecode metadata are now ignored\n");
4362 mov->nb_meta_tmcd = 0;
4367 mov->nb_streams += mov->nb_meta_tmcd;
4370 // Reserve an extra stream for chapters for the case where chapters
4371 // are written in the trailer
4372 mov->tracks = av_mallocz_array((mov->nb_streams + 1), sizeof(*mov->tracks));
4374 return AVERROR(ENOMEM);
4376 for (i = 0; i < s->nb_streams; i++) {
4377 AVStream *st= s->streams[i];
4378 MOVTrack *track= &mov->tracks[i];
4379 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
4382 track->enc = st->codec;
4383 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
4384 if (track->language < 0)
4385 track->language = 0;
4386 track->mode = mov->mode;
4387 track->tag = mov_find_codec_tag(s, track);
4389 av_log(s, AV_LOG_ERROR, "Could not find tag for codec %s in stream #%d, "
4390 "codec not currently supported in container\n",
4391 avcodec_get_name(st->codec->codec_id), i);
4392 ret = AVERROR(EINVAL);
4395 /* If hinting of this track is enabled by a later hint track,
4396 * this is updated. */
4397 track->hint_track = -1;
4398 track->start_dts = AV_NOPTS_VALUE;
4399 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
4400 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
4401 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
4402 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
4403 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
4404 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
4405 ret = AVERROR(EINVAL);
4408 track->height = track->tag >> 24 == 'n' ? 486 : 576;
4410 if (mov->video_track_timescale) {
4411 track->timescale = mov->video_track_timescale;
4413 track->timescale = st->time_base.den;
4414 while(track->timescale < 10000)
4415 track->timescale *= 2;
4417 if (st->codec->width > 65535 || st->codec->height > 65535) {
4418 av_log(s, AV_LOG_ERROR, "Resolution %dx%d too large for mov/mp4\n", st->codec->width, st->codec->height);
4419 ret = AVERROR(EINVAL);
4422 if (track->mode == MODE_MOV && track->timescale > 100000)
4423 av_log(s, AV_LOG_WARNING,
4424 "WARNING codec timebase is very high. If duration is too long,\n"
4425 "file may not be playable by quicktime. Specify a shorter timebase\n"
4426 "or choose different container.\n");
4427 } else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
4428 track->timescale = st->codec->sample_rate;
4429 if (!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
4430 av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i);
4431 track->audio_vbr = 1;
4432 }else if (st->codec->codec_id == AV_CODEC_ID_ADPCM_MS ||
4433 st->codec->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
4434 st->codec->codec_id == AV_CODEC_ID_ILBC){
4435 if (!st->codec->block_align) {
4436 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
4437 ret = AVERROR(EINVAL);
4440 track->sample_size = st->codec->block_align;
4441 }else if (st->codec->frame_size > 1){ /* assume compressed audio */
4442 track->audio_vbr = 1;
4444 track->sample_size = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
4446 if (st->codec->codec_id == AV_CODEC_ID_ILBC ||
4447 st->codec->codec_id == AV_CODEC_ID_ADPCM_IMA_QT) {
4448 track->audio_vbr = 1;
4450 if (track->mode != MODE_MOV &&
4451 track->enc->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
4452 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
4453 i, track->enc->sample_rate);
4454 ret = AVERROR(EINVAL);
4457 } else if (st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
4458 track->timescale = st->time_base.den;
4459 } else if (st->codec->codec_type == AVMEDIA_TYPE_DATA) {
4460 track->timescale = st->time_base.den;
4462 track->timescale = MOV_TIMESCALE;
4465 track->height = st->codec->height;
4466 /* The ism specific timescale isn't mandatory, but is assumed by
4467 * some tools, such as mp4split. */
4468 if (mov->mode == MODE_ISM)
4469 track->timescale = 10000000;
4471 avpriv_set_pts_info(st, 64, 1, track->timescale);
4473 /* copy extradata if it exists */
4474 if (st->codec->extradata_size) {
4475 if (st->codec->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
4476 mov_create_dvd_sub_decoder_specific_info(track, st);
4477 else if (!TAG_IS_AVCI(track->tag)){
4478 track->vos_len = st->codec->extradata_size;
4479 track->vos_data = av_malloc(track->vos_len);
4480 memcpy(track->vos_data, st->codec->extradata, track->vos_len);
4485 for (i = 0; i < s->nb_streams; i++) {
4487 AVStream *st= s->streams[i];
4488 MOVTrack *track= &mov->tracks[i];
4490 if (st->codec->codec_type != AVMEDIA_TYPE_AUDIO ||
4491 track->enc->channel_layout != AV_CH_LAYOUT_MONO)
4494 for (j = 0; j < s->nb_streams; j++) {
4495 AVStream *stj= s->streams[j];
4496 MOVTrack *trackj= &mov->tracks[j];
4500 if (stj->codec->codec_type != AVMEDIA_TYPE_AUDIO ||
4501 trackj->enc->channel_layout != AV_CH_LAYOUT_MONO ||
4502 trackj->language != track->language ||
4503 trackj->tag != track->tag
4506 track->multichannel_as_mono++;
4513 if (mov->reserved_moov_size){
4514 mov->reserved_moov_pos= avio_tell(pb);
4515 if (mov->reserved_moov_size > 0)
4516 avio_skip(pb, mov->reserved_moov_size);
4519 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
4520 /* If no fragmentation options have been set, set a default. */
4521 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
4522 FF_MOV_FLAG_FRAG_CUSTOM)) &&
4523 !mov->max_fragment_duration && !mov->max_fragment_size)
4524 mov->flags |= FF_MOV_FLAG_FRAG_KEYFRAME;
4526 if (mov->flags & FF_MOV_FLAG_FASTSTART)
4527 mov->reserved_moov_pos = avio_tell(pb);
4528 mov_write_mdat_tag(pb, mov);
4531 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
4532 mov->time = ff_iso8601_to_unix_time(t->value);
4534 mov->time += 0x7C25B080; // 1970 based -> 1904 based
4536 if (mov->chapter_track)
4537 if ((ret = mov_create_chapter_track(s, mov->chapter_track)) < 0)
4540 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
4541 /* Initialize the hint tracks for each audio and video stream */
4542 for (i = 0; i < s->nb_streams; i++) {
4543 AVStream *st = s->streams[i];
4544 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
4545 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
4546 if ((ret = ff_mov_init_hinting(s, hint_track, i)) < 0)
4553 if (mov->nb_meta_tmcd) {
4554 /* Initialize the tmcd tracks */
4555 for (i = 0; i < s->nb_streams; i++) {
4556 AVStream *st = s->streams[i];
4559 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
4561 t = av_dict_get(st->metadata, "timecode", NULL, 0);
4564 if ((ret = mov_create_timecode_track(s, tmcd_track, i, t->value)) < 0)
4573 if (mov->flags & FF_MOV_FLAG_ISML)
4574 mov_write_isml_manifest(pb, mov);
4576 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
4577 mov_write_moov_tag(pb, mov, s);
4587 static int get_moov_size(AVFormatContext *s)
4590 AVIOContext *moov_buf;
4591 MOVMuxContext *mov = s->priv_data;
4593 if ((ret = ffio_open_null_buf(&moov_buf)) < 0)
4595 mov_write_moov_tag(moov_buf, mov, s);
4596 return ffio_close_null_buf(moov_buf);
4600 * This function gets the moov size if moved to the top of the file: the chunk
4601 * offset table can switch between stco (32-bit entries) to co64 (64-bit
4602 * entries) when the moov is moved to the beginning, so the size of the moov
4603 * would change. It also updates the chunk offset tables.
4605 static int compute_moov_size(AVFormatContext *s)
4607 int i, moov_size, moov_size2;
4608 MOVMuxContext *mov = s->priv_data;
4610 moov_size = get_moov_size(s);
4614 for (i = 0; i < mov->nb_streams; i++)
4615 mov->tracks[i].data_offset += moov_size;
4617 moov_size2 = get_moov_size(s);
4621 /* if the size changed, we just switched from stco to co64 and need to
4622 * update the offsets */
4623 if (moov_size2 != moov_size)
4624 for (i = 0; i < mov->nb_streams; i++)
4625 mov->tracks[i].data_offset += moov_size2 - moov_size;
4630 static int shift_data(AVFormatContext *s)
4632 int ret = 0, moov_size;
4633 MOVMuxContext *mov = s->priv_data;
4634 int64_t pos, pos_end = avio_tell(s->pb);
4635 uint8_t *buf, *read_buf[2];
4636 int read_buf_id = 0;
4638 AVIOContext *read_pb;
4640 moov_size = compute_moov_size(s);
4644 buf = av_malloc(moov_size * 2);
4646 return AVERROR(ENOMEM);
4648 read_buf[1] = buf + moov_size;
4650 /* Shift the data: the AVIO context of the output can only be used for
4651 * writing, so we re-open the same output, but for reading. It also avoids
4652 * a read/seek/write/seek back and forth. */
4654 ret = avio_open(&read_pb, s->filename, AVIO_FLAG_READ);
4656 av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for "
4657 "the second pass (faststart)\n", s->filename);
4661 /* mark the end of the shift to up to the last data we wrote, and get ready
4663 pos_end = avio_tell(s->pb);
4664 avio_seek(s->pb, mov->reserved_moov_pos + moov_size, SEEK_SET);
4666 /* start reading at where the new moov will be placed */
4667 avio_seek(read_pb, mov->reserved_moov_pos, SEEK_SET);
4668 pos = avio_tell(read_pb);
4670 #define READ_BLOCK do { \
4671 read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
4675 /* shift data by chunk of at most moov_size */
4680 n = read_size[read_buf_id];
4683 avio_write(s->pb, read_buf[read_buf_id], n);
4685 } while (pos < pos_end);
4686 avio_close(read_pb);
4693 static int mov_write_trailer(AVFormatContext *s)
4695 MOVMuxContext *mov = s->priv_data;
4696 AVIOContext *pb = s->pb;
4702 * Before actually writing the trailer, make sure that there are no
4703 * dangling subtitles, that need a terminating sample.
4705 for (i = 0; i < mov->nb_streams; i++) {
4706 MOVTrack *trk = &mov->tracks[i];
4707 if (trk->enc->codec_id == AV_CODEC_ID_MOV_TEXT &&
4708 !trk->last_sample_is_subtitle_end) {
4709 mov_write_subtitle_end_packet(s, i, trk->track_duration);
4710 trk->last_sample_is_subtitle_end = 1;
4714 // If there were no chapters when the header was written, but there
4715 // are chapters now, write them in the trailer. This only works
4716 // when we are not doing fragments.
4717 if (!mov->chapter_track && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
4718 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters) {
4719 mov->chapter_track = mov->nb_streams++;
4720 if ((res = mov_create_chapter_track(s, mov->chapter_track)) < 0)
4725 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
4726 moov_pos = avio_tell(pb);
4728 /* Write size of mdat tag */
4729 if (mov->mdat_size + 8 <= UINT32_MAX) {
4730 avio_seek(pb, mov->mdat_pos, SEEK_SET);
4731 avio_wb32(pb, mov->mdat_size + 8);
4733 /* overwrite 'wide' placeholder atom */
4734 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
4735 /* special value: real atom size will be 64 bit value after
4738 ffio_wfourcc(pb, "mdat");
4739 avio_wb64(pb, mov->mdat_size + 16);
4741 avio_seek(pb, mov->reserved_moov_size > 0 ? mov->reserved_moov_pos : moov_pos, SEEK_SET);
4743 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
4744 av_log(s, AV_LOG_INFO, "Starting second pass: moving the moov atom to the beginning of the file\n");
4745 res = shift_data(s);
4747 avio_seek(s->pb, mov->reserved_moov_pos, SEEK_SET);
4748 mov_write_moov_tag(pb, mov, s);
4750 } else if (mov->reserved_moov_size > 0) {
4752 mov_write_moov_tag(pb, mov, s);
4753 size = mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_moov_pos);
4755 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
4758 avio_wb32(pb, size);
4759 ffio_wfourcc(pb, "free");
4760 ffio_fill(pb, 0, size - 8);
4761 avio_seek(pb, moov_pos, SEEK_SET);
4763 mov_write_moov_tag(pb, mov, s);
4766 mov_flush_fragment(s);
4767 mov_write_mfra_tag(pb, mov);
4770 for (i = 0; i < mov->nb_streams; i++) {
4771 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
4772 mov->tracks[i].vc1_info.struct_offset && s->pb->seekable) {
4773 int64_t off = avio_tell(pb);
4775 if (mov_write_dvc1_structs(&mov->tracks[i], buf) >= 0) {
4776 avio_seek(pb, mov->tracks[i].vc1_info.struct_offset, SEEK_SET);
4777 avio_write(pb, buf, 7);
4778 avio_seek(pb, off, SEEK_SET);
4789 #if CONFIG_MOV_MUXER
4791 AVOutputFormat ff_mov_muxer = {
4793 .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
4794 .extensions = "mov",
4795 .priv_data_size = sizeof(MOVMuxContext),
4796 .audio_codec = AV_CODEC_ID_AAC,
4797 .video_codec = CONFIG_LIBX264_ENCODER ?
4798 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
4799 .write_header = mov_write_header,
4800 .write_packet = mov_write_packet,
4801 .write_trailer = mov_write_trailer,
4802 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4803 .codec_tag = (const AVCodecTag* const []){
4804 ff_codec_movvideo_tags, ff_codec_movaudio_tags, 0
4806 .priv_class = &mov_muxer_class,
4809 #if CONFIG_TGP_MUXER
4811 AVOutputFormat ff_tgp_muxer = {
4813 .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
4814 .extensions = "3gp",
4815 .priv_data_size = sizeof(MOVMuxContext),
4816 .audio_codec = AV_CODEC_ID_AMR_NB,
4817 .video_codec = AV_CODEC_ID_H263,
4818 .write_header = mov_write_header,
4819 .write_packet = mov_write_packet,
4820 .write_trailer = mov_write_trailer,
4821 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4822 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
4823 .priv_class = &tgp_muxer_class,
4826 #if CONFIG_MP4_MUXER
4828 AVOutputFormat ff_mp4_muxer = {
4830 .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
4831 .mime_type = "application/mp4",
4832 .extensions = "mp4",
4833 .priv_data_size = sizeof(MOVMuxContext),
4834 .audio_codec = AV_CODEC_ID_AAC,
4835 .video_codec = CONFIG_LIBX264_ENCODER ?
4836 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
4837 .write_header = mov_write_header,
4838 .write_packet = mov_write_packet,
4839 .write_trailer = mov_write_trailer,
4840 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4841 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
4842 .priv_class = &mp4_muxer_class,
4845 #if CONFIG_PSP_MUXER
4847 AVOutputFormat ff_psp_muxer = {
4849 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
4850 .extensions = "mp4,psp",
4851 .priv_data_size = sizeof(MOVMuxContext),
4852 .audio_codec = AV_CODEC_ID_AAC,
4853 .video_codec = CONFIG_LIBX264_ENCODER ?
4854 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
4855 .write_header = mov_write_header,
4856 .write_packet = mov_write_packet,
4857 .write_trailer = mov_write_trailer,
4858 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4859 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
4860 .priv_class = &psp_muxer_class,
4863 #if CONFIG_TG2_MUXER
4865 AVOutputFormat ff_tg2_muxer = {
4867 .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
4868 .extensions = "3g2",
4869 .priv_data_size = sizeof(MOVMuxContext),
4870 .audio_codec = AV_CODEC_ID_AMR_NB,
4871 .video_codec = AV_CODEC_ID_H263,
4872 .write_header = mov_write_header,
4873 .write_packet = mov_write_packet,
4874 .write_trailer = mov_write_trailer,
4875 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4876 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
4877 .priv_class = &tg2_muxer_class,
4880 #if CONFIG_IPOD_MUXER
4882 AVOutputFormat ff_ipod_muxer = {
4884 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
4885 .mime_type = "application/mp4",
4886 .extensions = "m4v,m4a",
4887 .priv_data_size = sizeof(MOVMuxContext),
4888 .audio_codec = AV_CODEC_ID_AAC,
4889 .video_codec = AV_CODEC_ID_H264,
4890 .write_header = mov_write_header,
4891 .write_packet = mov_write_packet,
4892 .write_trailer = mov_write_trailer,
4893 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4894 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
4895 .priv_class = &ipod_muxer_class,
4898 #if CONFIG_ISMV_MUXER
4900 AVOutputFormat ff_ismv_muxer = {
4902 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
4903 .mime_type = "application/mp4",
4904 .extensions = "ismv,isma",
4905 .priv_data_size = sizeof(MOVMuxContext),
4906 .audio_codec = AV_CODEC_ID_AAC,
4907 .video_codec = AV_CODEC_ID_H264,
4908 .write_header = mov_write_header,
4909 .write_packet = mov_write_packet,
4910 .write_trailer = mov_write_trailer,
4911 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
4912 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
4913 .priv_class = &ismv_muxer_class,
4916 #if CONFIG_F4V_MUXER
4918 AVOutputFormat ff_f4v_muxer = {
4920 .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
4921 .mime_type = "application/f4v",
4922 .extensions = "f4v",
4923 .priv_data_size = sizeof(MOVMuxContext),
4924 .audio_codec = AV_CODEC_ID_AAC,
4925 .video_codec = AV_CODEC_ID_H264,
4926 .write_header = mov_write_header,
4927 .write_packet = mov_write_packet,
4928 .write_trailer = mov_write_trailer,
4929 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
4930 .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 },
4931 .priv_class = &f4v_muxer_class,