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/libm.h"
44 #include "libavutil/opt.h"
45 #include "libavutil/dict.h"
46 #include "libavutil/pixdesc.h"
47 #include "libavutil/timecode.h"
48 #include "libavutil/color_utils.h"
53 static const AVOption options[] = {
54 { "movflags", "MOV muxer flags", offsetof(MOVMuxContext, flags), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
55 { "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" },
56 { "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 },
57 { "empty_moov", "Make the initial moov atom empty", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_EMPTY_MOOV}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
58 { "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" },
59 { "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" },
60 { "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" },
61 { "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" },
62 { "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" },
63 { "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" },
64 { "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" },
65 { "default_base_moof", "Set the default-base-is-moof flag in tfhd atoms", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_DEFAULT_BASE_MOOF}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
66 { "dash", "Write DASH compatible fragmented MP4", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_DASH}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
67 { "frag_discont", "Signal that the next fragment is discontinuous from earlier ones", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FRAG_DISCONT}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
68 { "delay_moov", "Delay writing the initial moov until the first fragment is cut, or until the first fragment flush", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_DELAY_MOOV}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
69 { "write_colr", "Write colr atom (Experimental, may be renamed or changed, do not use from scripts)", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_WRITE_COLR}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
70 { "write_gama", "Write deprecated gama atom", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_WRITE_GAMA}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
71 FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
72 { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_INT, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
73 { "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},
74 { "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},
75 { "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
76 { "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},
77 { "frag_size", "Maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
78 { "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},
79 { "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},
80 { "brand", "Override major brand", offsetof(MOVMuxContext, major_brand), AV_OPT_TYPE_STRING, {.str = NULL}, .flags = AV_OPT_FLAG_ENCODING_PARAM },
81 { "use_editlist", "use edit list", offsetof(MOVMuxContext, use_editlist), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM},
82 { "fragment_index", "Fragment number of the next fragment", offsetof(MOVMuxContext, fragments), AV_OPT_TYPE_INT, {.i64 = 1}, 1, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
83 { "mov_gamma", "gamma value for gama atom", offsetof(MOVMuxContext, gamma), AV_OPT_TYPE_FLOAT, {.dbl = 0.0 }, 0.0, 10, AV_OPT_FLAG_ENCODING_PARAM},
84 { "frag_interleave", "Interleave samples within fragments (max number of consecutive samples, lower is tighter interleaving, but with more overhead)", offsetof(MOVMuxContext, frag_interleave), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
88 #define MOV_CLASS(flavor)\
89 static const AVClass flavor ## _muxer_class = {\
90 .class_name = #flavor " muxer",\
91 .item_name = av_default_item_name,\
93 .version = LIBAVUTIL_VERSION_INT,\
96 static int get_moov_size(AVFormatContext *s);
98 static int utf8len(const uint8_t *b)
103 GET_UTF8(val, *b++, return -1;)
109 //FIXME support 64 bit variant with wide placeholders
110 static int64_t update_size(AVIOContext *pb, int64_t pos)
112 int64_t curpos = avio_tell(pb);
113 avio_seek(pb, pos, SEEK_SET);
114 avio_wb32(pb, curpos - pos); /* rewrite size */
115 avio_seek(pb, curpos, SEEK_SET);
120 static int co64_required(const MOVTrack *track)
122 if (track->entry > 0 && track->cluster[track->entry - 1].pos + track->data_offset > UINT32_MAX)
127 /* Chunk offset atom */
128 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
131 int mode64 = co64_required(track); // use 32 bit size variant if possible
132 int64_t pos = avio_tell(pb);
133 avio_wb32(pb, 0); /* size */
135 ffio_wfourcc(pb, "co64");
137 ffio_wfourcc(pb, "stco");
138 avio_wb32(pb, 0); /* version & flags */
139 avio_wb32(pb, track->chunkCount); /* entry count */
140 for (i = 0; i < track->entry; i++) {
141 if (!track->cluster[i].chunkNum)
144 avio_wb64(pb, track->cluster[i].pos + track->data_offset);
146 avio_wb32(pb, track->cluster[i].pos + track->data_offset);
148 return update_size(pb, pos);
151 /* Sample size atom */
152 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
155 int i, j, entries = 0, tst = -1, oldtst = -1;
157 int64_t pos = avio_tell(pb);
158 avio_wb32(pb, 0); /* size */
159 ffio_wfourcc(pb, "stsz");
160 avio_wb32(pb, 0); /* version & flags */
162 for (i = 0; i < track->entry; i++) {
163 tst = track->cluster[i].size / track->cluster[i].entries;
164 if (oldtst != -1 && tst != oldtst)
167 entries += track->cluster[i].entries;
169 if (equalChunks && track->entry) {
170 int sSize = track->entry ? track->cluster[0].size / track->cluster[0].entries : 0;
171 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
172 avio_wb32(pb, sSize); // sample size
173 avio_wb32(pb, entries); // sample count
175 avio_wb32(pb, 0); // sample size
176 avio_wb32(pb, entries); // sample count
177 for (i = 0; i < track->entry; i++) {
178 for (j = 0; j < track->cluster[i].entries; j++) {
179 avio_wb32(pb, track->cluster[i].size /
180 track->cluster[i].entries);
184 return update_size(pb, pos);
187 /* Sample to chunk atom */
188 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
190 int index = 0, oldval = -1, i;
191 int64_t entryPos, curpos;
193 int64_t pos = avio_tell(pb);
194 avio_wb32(pb, 0); /* size */
195 ffio_wfourcc(pb, "stsc");
196 avio_wb32(pb, 0); // version & flags
197 entryPos = avio_tell(pb);
198 avio_wb32(pb, track->chunkCount); // entry count
199 for (i = 0; i < track->entry; i++) {
200 if (oldval != track->cluster[i].samples_in_chunk && track->cluster[i].chunkNum) {
201 avio_wb32(pb, track->cluster[i].chunkNum); // first chunk
202 avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
203 avio_wb32(pb, 0x1); // sample description index
204 oldval = track->cluster[i].samples_in_chunk;
208 curpos = avio_tell(pb);
209 avio_seek(pb, entryPos, SEEK_SET);
210 avio_wb32(pb, index); // rewrite size
211 avio_seek(pb, curpos, SEEK_SET);
213 return update_size(pb, pos);
216 /* Sync sample atom */
217 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
219 int64_t curpos, entryPos;
221 int64_t pos = avio_tell(pb);
222 avio_wb32(pb, 0); // size
223 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
224 avio_wb32(pb, 0); // version & flags
225 entryPos = avio_tell(pb);
226 avio_wb32(pb, track->entry); // entry count
227 for (i = 0; i < track->entry; i++) {
228 if (track->cluster[i].flags & flag) {
229 avio_wb32(pb, i + 1);
233 curpos = avio_tell(pb);
234 avio_seek(pb, entryPos, SEEK_SET);
235 avio_wb32(pb, index); // rewrite size
236 avio_seek(pb, curpos, SEEK_SET);
237 return update_size(pb, pos);
240 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
242 avio_wb32(pb, 0x11); /* size */
243 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
244 else ffio_wfourcc(pb, "damr");
245 ffio_wfourcc(pb, "FFMP");
246 avio_w8(pb, 0); /* decoder version */
248 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
249 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
250 avio_w8(pb, 0x01); /* Frames per sample */
254 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
259 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
261 if (track->vos_len < 7)
265 ffio_wfourcc(pb, "dac3");
267 init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
268 fscod = get_bits(&gbc, 2);
269 frmsizecod = get_bits(&gbc, 6);
270 bsid = get_bits(&gbc, 5);
271 bsmod = get_bits(&gbc, 3);
272 acmod = get_bits(&gbc, 3);
274 skip_bits(&gbc, 2); // dsurmod
276 if ((acmod & 1) && acmod != 1)
277 skip_bits(&gbc, 2); // cmixlev
279 skip_bits(&gbc, 2); // surmixlev
281 lfeon = get_bits1(&gbc);
283 init_put_bits(&pbc, buf, sizeof(buf));
284 put_bits(&pbc, 2, fscod);
285 put_bits(&pbc, 5, bsid);
286 put_bits(&pbc, 3, bsmod);
287 put_bits(&pbc, 3, acmod);
288 put_bits(&pbc, 1, lfeon);
289 put_bits(&pbc, 5, frmsizecod >> 1); // bit_rate_code
290 put_bits(&pbc, 5, 0); // reserved
292 flush_put_bits(&pbc);
293 avio_write(pb, buf, sizeof(buf));
303 /* Layout of the EC3SpecificBox */
304 /* maximum bitrate */
306 /* number of independent substreams */
309 /* sample rate code (see ff_ac3_sample_rate_tab) 2 bits */
311 /* bit stream identification 5 bits */
313 /* one bit reserved */
314 /* audio service mixing (not supported yet) 1 bit */
315 /* bit stream mode 3 bits */
317 /* audio coding mode 3 bits */
319 /* sub woofer on 1 bit */
321 /* 3 bits reserved */
322 /* number of dependent substreams associated with this substream 4 bits */
324 /* channel locations of the dependent substream(s), if any, 9 bits */
326 /* if there is no dependent substream, then one bit reserved instead */
327 } substream[1]; /* TODO: support 8 independent substreams */
330 #if CONFIG_AC3_PARSER
331 static int handle_eac3(MOVMuxContext *mov, AVPacket *pkt, MOVTrack *track)
334 AC3HeaderInfo tmp, *hdr = &tmp;
335 struct eac3_info *info;
338 if (!track->eac3_priv && !(track->eac3_priv = av_mallocz(sizeof(*info))))
339 return AVERROR(ENOMEM);
340 info = track->eac3_priv;
342 init_get_bits(&gbc, pkt->data, pkt->size * 8);
343 if (avpriv_ac3_parse_header2(&gbc, &hdr) < 0) {
344 /* drop the packets until we see a good one */
346 av_log(mov, AV_LOG_WARNING, "Dropping invalid packet from start of the stream\n");
349 return AVERROR_INVALIDDATA;
352 info->data_rate = FFMAX(info->data_rate, hdr->bit_rate / 1000);
353 num_blocks = hdr->num_blocks;
355 if (!info->ec3_done) {
356 /* AC-3 substream must be the first one */
357 if (hdr->bitstream_id <= 10 && hdr->substreamid != 0)
358 return AVERROR(EINVAL);
360 /* this should always be the case, given that our AC-3 parser
361 * concatenates dependent frames to their independent parent */
362 if (hdr->frame_type == EAC3_FRAME_TYPE_INDEPENDENT) {
363 /* substream ids must be incremental */
364 if (hdr->substreamid > info->num_ind_sub + 1)
365 return AVERROR(EINVAL);
367 if (hdr->substreamid == info->num_ind_sub + 1) {
368 //info->num_ind_sub++;
369 avpriv_request_sample(track->enc, "Multiple independent substreams");
370 return AVERROR_PATCHWELCOME;
371 } else if (hdr->substreamid < info->num_ind_sub ||
372 hdr->substreamid == 0 && info->substream[0].bsid) {
378 /* fill the info needed for the "dec3" atom */
379 info->substream[hdr->substreamid].fscod = hdr->sr_code;
380 info->substream[hdr->substreamid].bsid = hdr->bitstream_id;
381 info->substream[hdr->substreamid].bsmod = hdr->bitstream_mode;
382 info->substream[hdr->substreamid].acmod = hdr->channel_mode;
383 info->substream[hdr->substreamid].lfeon = hdr->lfe_on;
385 /* Parse dependent substream(s), if any */
386 if (pkt->size != hdr->frame_size) {
387 int cumul_size = hdr->frame_size;
388 int parent = hdr->substreamid;
390 while (cumul_size != pkt->size) {
392 init_get_bits(&gbc, pkt->data + cumul_size, (pkt->size - cumul_size) * 8);
393 if (avpriv_ac3_parse_header2(&gbc, &hdr) < 0)
394 return AVERROR_INVALIDDATA;
395 if (hdr->frame_type != EAC3_FRAME_TYPE_DEPENDENT)
396 return AVERROR(EINVAL);
397 cumul_size += hdr->frame_size;
398 info->substream[parent].num_dep_sub++;
400 /* header is parsed up to lfeon, but custom channel map may be needed */
403 /* skip volume control params */
404 for (i = 0; i < (hdr->channel_mode ? 1 : 2); i++) {
405 skip_bits(&gbc, 5); // skip dialog normalization
406 if (get_bits1(&gbc)) {
407 skip_bits(&gbc, 8); // skip compression gain word
410 /* get the dependent stream channel map, if exists */
412 info->substream[parent].chan_loc |= (get_bits(&gbc, 16) >> 5) & 0x1f;
414 info->substream[parent].chan_loc |= hdr->channel_mode;
420 if (!info->num_blocks && num_blocks == 6)
422 else if (info->num_blocks + num_blocks > 6)
423 return AVERROR_INVALIDDATA;
425 if (!info->num_blocks) {
427 if ((ret = av_copy_packet(&info->pkt, pkt)) < 0)
429 info->num_blocks = num_blocks;
433 if ((ret = av_grow_packet(&info->pkt, pkt->size)) < 0)
435 memcpy(info->pkt.data + info->pkt.size - pkt->size, pkt->data, pkt->size);
436 info->num_blocks += num_blocks;
437 info->pkt.duration += pkt->duration;
438 if ((ret = av_copy_packet_side_data(&info->pkt, pkt)) < 0)
440 if (info->num_blocks != 6)
443 if ((ret = av_copy_packet(pkt, &info->pkt)) < 0)
445 av_free_packet(&info->pkt);
446 info->num_blocks = 0;
453 static int mov_write_eac3_tag(AVIOContext *pb, MOVTrack *track)
457 struct eac3_info *info;
460 if (!track->eac3_priv)
461 return AVERROR(EINVAL);
463 info = track->eac3_priv;
464 size = 2 + 4 * (info->num_ind_sub + 1);
465 buf = av_malloc(size);
467 size = AVERROR(ENOMEM);
471 init_put_bits(&pbc, buf, size);
472 put_bits(&pbc, 13, info->data_rate);
473 put_bits(&pbc, 3, info->num_ind_sub);
474 for (i = 0; i <= info->num_ind_sub; i++) {
475 put_bits(&pbc, 2, info->substream[i].fscod);
476 put_bits(&pbc, 5, info->substream[i].bsid);
477 put_bits(&pbc, 1, 0); /* reserved */
478 put_bits(&pbc, 1, 0); /* asvc */
479 put_bits(&pbc, 3, info->substream[i].bsmod);
480 put_bits(&pbc, 3, info->substream[i].acmod);
481 put_bits(&pbc, 1, info->substream[i].lfeon);
482 put_bits(&pbc, 5, 0); /* reserved */
483 put_bits(&pbc, 4, info->substream[i].num_dep_sub);
484 if (!info->substream[i].num_dep_sub) {
485 put_bits(&pbc, 1, 0); /* reserved */
488 put_bits(&pbc, 9, info->substream[i].chan_loc);
491 flush_put_bits(&pbc);
493 avio_wb32(pb, size + 8);
494 ffio_wfourcc(pb, "dec3");
495 avio_write(pb, buf, size);
500 av_free_packet(&info->pkt);
501 av_freep(&track->eac3_priv);
507 * This function writes extradata "as is".
508 * Extradata must be formatted like a valid atom (with size and tag).
510 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
512 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
513 return track->enc->extradata_size;
516 static int mov_write_enda_tag(AVIOContext *pb)
519 ffio_wfourcc(pb, "enda");
520 avio_wb16(pb, 1); /* little endian */
524 static int mov_write_enda_tag_be(AVIOContext *pb)
527 ffio_wfourcc(pb, "enda");
528 avio_wb16(pb, 0); /* big endian */
532 static void put_descr(AVIOContext *pb, int tag, unsigned int size)
537 avio_w8(pb, (size >> (7 * i)) | 0x80);
538 avio_w8(pb, size & 0x7F);
541 static unsigned compute_avg_bitrate(MOVTrack *track)
545 if (!track->track_duration)
547 for (i = 0; i < track->entry; i++)
548 size += track->cluster[i].size;
549 return size * 8 * track->timescale / track->track_duration;
552 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
554 int64_t pos = avio_tell(pb);
555 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
556 unsigned avg_bitrate;
558 avio_wb32(pb, 0); // size
559 ffio_wfourcc(pb, "esds");
560 avio_wb32(pb, 0); // Version
563 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
564 avio_wb16(pb, track->track_id);
565 avio_w8(pb, 0x00); // flags (= no flags)
567 // DecoderConfig descriptor
568 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
570 // Object type indication
571 if ((track->enc->codec_id == AV_CODEC_ID_MP2 ||
572 track->enc->codec_id == AV_CODEC_ID_MP3) &&
573 track->enc->sample_rate > 24000)
574 avio_w8(pb, 0x6B); // 11172-3
576 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
578 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
579 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
580 if (track->enc->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
581 avio_w8(pb, (0x38 << 2) | 1); // flags (= NeroSubpicStream)
582 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
583 avio_w8(pb, 0x15); // flags (= Audiostream)
585 avio_w8(pb, 0x11); // flags (= Visualstream)
587 avio_wb24(pb, track->enc->rc_buffer_size >> 3); // Buffersize DB
589 avg_bitrate = compute_avg_bitrate(track);
590 // maxbitrate (FIXME should be max rate in any 1 sec window)
591 avio_wb32(pb, FFMAX3(track->enc->bit_rate, track->enc->rc_max_rate, avg_bitrate));
592 avio_wb32(pb, avg_bitrate);
594 if (track->vos_len) {
595 // DecoderSpecific info descriptor
596 put_descr(pb, 0x05, track->vos_len);
597 avio_write(pb, track->vos_data, track->vos_len);
601 put_descr(pb, 0x06, 1);
603 return update_size(pb, pos);
606 static int mov_pcm_le_gt16(enum AVCodecID codec_id)
608 return codec_id == AV_CODEC_ID_PCM_S24LE ||
609 codec_id == AV_CODEC_ID_PCM_S32LE ||
610 codec_id == AV_CODEC_ID_PCM_F32LE ||
611 codec_id == AV_CODEC_ID_PCM_F64LE;
614 static int mov_pcm_be_gt16(enum AVCodecID codec_id)
616 return codec_id == AV_CODEC_ID_PCM_S24BE ||
617 codec_id == AV_CODEC_ID_PCM_S32BE ||
618 codec_id == AV_CODEC_ID_PCM_F32BE ||
619 codec_id == AV_CODEC_ID_PCM_F64BE;
622 static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
625 int64_t pos = avio_tell(pb);
627 avio_wl32(pb, track->tag); // store it byteswapped
628 track->enc->codec_tag = av_bswap16(track->tag >> 16);
629 if ((ret = ff_put_wav_header(pb, track->enc, 0)) < 0)
631 return update_size(pb, pos);
634 static int mov_write_wfex_tag(AVIOContext *pb, MOVTrack *track)
637 int64_t pos = avio_tell(pb);
639 ffio_wfourcc(pb, "wfex");
640 if ((ret = ff_put_wav_header(pb, track->enc, FF_PUT_WAV_HEADER_FORCE_WAVEFORMATEX)) < 0)
642 return update_size(pb, pos);
645 static int mov_write_chan_tag(AVIOContext *pb, MOVTrack *track)
647 uint32_t layout_tag, bitmap;
648 int64_t pos = avio_tell(pb);
650 layout_tag = ff_mov_get_channel_layout_tag(track->enc->codec_id,
651 track->enc->channel_layout,
654 av_log(track->enc, AV_LOG_WARNING, "not writing 'chan' tag due to "
655 "lack of channel information\n");
659 if (track->multichannel_as_mono)
662 avio_wb32(pb, 0); // Size
663 ffio_wfourcc(pb, "chan"); // Type
664 avio_w8(pb, 0); // Version
665 avio_wb24(pb, 0); // Flags
666 avio_wb32(pb, layout_tag); // mChannelLayoutTag
667 avio_wb32(pb, bitmap); // mChannelBitmap
668 avio_wb32(pb, 0); // mNumberChannelDescriptions
670 return update_size(pb, pos);
673 static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
675 int64_t pos = avio_tell(pb);
677 avio_wb32(pb, 0); /* size */
678 ffio_wfourcc(pb, "wave");
680 if (track->enc->codec_id != AV_CODEC_ID_QDM2) {
681 avio_wb32(pb, 12); /* size */
682 ffio_wfourcc(pb, "frma");
683 avio_wl32(pb, track->tag);
686 if (track->enc->codec_id == AV_CODEC_ID_AAC) {
687 /* useless atom needed by mplayer, ipod, not needed by quicktime */
688 avio_wb32(pb, 12); /* size */
689 ffio_wfourcc(pb, "mp4a");
691 mov_write_esds_tag(pb, track);
692 } else if (mov_pcm_le_gt16(track->enc->codec_id)) {
693 mov_write_enda_tag(pb);
694 } else if (mov_pcm_be_gt16(track->enc->codec_id)) {
695 mov_write_enda_tag_be(pb);
696 } else if (track->enc->codec_id == AV_CODEC_ID_AMR_NB) {
697 mov_write_amr_tag(pb, track);
698 } else if (track->enc->codec_id == AV_CODEC_ID_AC3) {
699 mov_write_ac3_tag(pb, track);
700 } else if (track->enc->codec_id == AV_CODEC_ID_EAC3) {
701 mov_write_eac3_tag(pb, track);
702 } else if (track->enc->codec_id == AV_CODEC_ID_ALAC ||
703 track->enc->codec_id == AV_CODEC_ID_QDM2) {
704 mov_write_extradata_tag(pb, track);
705 } else if (track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
706 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
707 mov_write_ms_tag(pb, track);
710 avio_wb32(pb, 8); /* size */
711 avio_wb32(pb, 0); /* null tag */
713 return update_size(pb, pos);
716 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
719 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
720 int unescaped_size, seq_found = 0;
721 int level = 0, interlace = 0;
722 int packet_seq = track->vc1_info.packet_seq;
723 int packet_entry = track->vc1_info.packet_entry;
724 int slices = track->vc1_info.slices;
727 if (track->start_dts == AV_NOPTS_VALUE) {
728 /* No packets written yet, vc1_info isn't authoritative yet. */
729 /* Assume inline sequence and entry headers. */
730 packet_seq = packet_entry = 1;
731 av_log(NULL, AV_LOG_WARNING,
732 "moov atom written before any packets, unable to write correct "
733 "dvc1 atom. Set the delay_moov flag to fix this.\n");
736 unescaped = av_mallocz(track->vos_len + FF_INPUT_BUFFER_PADDING_SIZE);
738 return AVERROR(ENOMEM);
739 start = find_next_marker(track->vos_data, end);
740 for (next = start; next < end; start = next) {
743 next = find_next_marker(start + 4, end);
744 size = next - start - 4;
747 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
748 init_get_bits(&gb, unescaped, 8 * unescaped_size);
749 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
750 int profile = get_bits(&gb, 2);
751 if (profile != PROFILE_ADVANCED) {
753 return AVERROR(ENOSYS);
756 level = get_bits(&gb, 3);
757 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
759 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
760 skip_bits(&gb, 1); /* broadcast */
761 interlace = get_bits1(&gb);
762 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
767 return AVERROR(ENOSYS);
770 init_put_bits(&pbc, buf, 7);
771 /* VC1DecSpecStruc */
772 put_bits(&pbc, 4, 12); /* profile - advanced */
773 put_bits(&pbc, 3, level);
774 put_bits(&pbc, 1, 0); /* reserved */
775 /* VC1AdvDecSpecStruc */
776 put_bits(&pbc, 3, level);
777 put_bits(&pbc, 1, 0); /* cbr */
778 put_bits(&pbc, 6, 0); /* reserved */
779 put_bits(&pbc, 1, !interlace); /* no interlace */
780 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
781 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
782 put_bits(&pbc, 1, !slices); /* no slice code */
783 put_bits(&pbc, 1, 0); /* no bframe */
784 put_bits(&pbc, 1, 0); /* reserved */
787 if (track->st->avg_frame_rate.num > 0 && track->st->avg_frame_rate.den > 0)
788 put_bits32(&pbc, track->st->avg_frame_rate.num / track->st->avg_frame_rate.den);
790 put_bits32(&pbc, 0xffffffff);
792 flush_put_bits(&pbc);
799 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
801 uint8_t buf[7] = { 0 };
804 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
807 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
808 ffio_wfourcc(pb, "dvc1");
809 avio_write(pb, buf, sizeof(buf));
810 avio_write(pb, track->vos_data, track->vos_len);
815 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
817 avio_wb32(pb, track->vos_len + 8);
818 ffio_wfourcc(pb, "glbl");
819 avio_write(pb, track->vos_data, track->vos_len);
820 return 8 + track->vos_len;
824 * Compute flags for 'lpcm' tag.
825 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
827 static int mov_get_lpcm_flags(enum AVCodecID codec_id)
830 case AV_CODEC_ID_PCM_F32BE:
831 case AV_CODEC_ID_PCM_F64BE:
833 case AV_CODEC_ID_PCM_F32LE:
834 case AV_CODEC_ID_PCM_F64LE:
836 case AV_CODEC_ID_PCM_U8:
838 case AV_CODEC_ID_PCM_S16BE:
839 case AV_CODEC_ID_PCM_S24BE:
840 case AV_CODEC_ID_PCM_S32BE:
842 case AV_CODEC_ID_PCM_S8:
843 case AV_CODEC_ID_PCM_S16LE:
844 case AV_CODEC_ID_PCM_S24LE:
845 case AV_CODEC_ID_PCM_S32LE:
852 static int get_cluster_duration(MOVTrack *track, int cluster_idx)
856 if (cluster_idx >= track->entry)
859 if (cluster_idx + 1 == track->entry)
860 next_dts = track->track_duration + track->start_dts;
862 next_dts = track->cluster[cluster_idx + 1].dts;
864 next_dts -= track->cluster[cluster_idx].dts;
866 av_assert0(next_dts >= 0);
867 av_assert0(next_dts <= INT_MAX);
872 static int get_samples_per_packet(MOVTrack *track)
874 int i, first_duration;
876 // return track->enc->frame_size;
878 /* use 1 for raw PCM */
879 if (!track->audio_vbr)
882 /* check to see if duration is constant for all clusters */
885 first_duration = get_cluster_duration(track, 0);
886 for (i = 1; i < track->entry; i++) {
887 if (get_cluster_duration(track, i) != first_duration)
890 return first_duration;
893 static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
895 int64_t pos = avio_tell(pb);
897 uint32_t tag = track->tag;
899 if (track->mode == MODE_MOV) {
900 if (track->timescale > UINT16_MAX) {
901 if (mov_get_lpcm_flags(track->enc->codec_id))
902 tag = AV_RL32("lpcm");
904 } else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id) ||
905 mov_pcm_be_gt16(track->enc->codec_id) ||
906 track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
907 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
908 track->enc->codec_id == AV_CODEC_ID_QDM2) {
913 avio_wb32(pb, 0); /* size */
914 avio_wl32(pb, tag); // store it byteswapped
915 avio_wb32(pb, 0); /* Reserved */
916 avio_wb16(pb, 0); /* Reserved */
917 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
919 /* SoundDescription */
920 avio_wb16(pb, version); /* Version */
921 avio_wb16(pb, 0); /* Revision level */
922 avio_wb32(pb, 0); /* Reserved */
927 avio_wb16(pb, 0xfffe);
929 avio_wb32(pb, 0x00010000);
931 avio_wb64(pb, av_double2int(track->enc->sample_rate));
932 avio_wb32(pb, track->enc->channels);
933 avio_wb32(pb, 0x7F000000);
934 avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
935 avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
936 avio_wb32(pb, track->sample_size);
937 avio_wb32(pb, get_samples_per_packet(track));
939 if (track->mode == MODE_MOV) {
940 avio_wb16(pb, track->enc->channels);
941 if (track->enc->codec_id == AV_CODEC_ID_PCM_U8 ||
942 track->enc->codec_id == AV_CODEC_ID_PCM_S8)
943 avio_wb16(pb, 8); /* bits per sample */
944 else if (track->enc->codec_id == AV_CODEC_ID_ADPCM_G726)
945 avio_wb16(pb, track->enc->bits_per_coded_sample);
948 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
949 } else { /* reserved for mp4/3gp */
955 avio_wb16(pb, 0); /* packet size (= 0) */
956 avio_wb16(pb, track->enc->sample_rate <= UINT16_MAX ?
957 track->enc->sample_rate : 0);
958 avio_wb16(pb, 0); /* Reserved */
961 if (version == 1) { /* SoundDescription V1 extended info */
962 if (mov_pcm_le_gt16(track->enc->codec_id) ||
963 mov_pcm_be_gt16(track->enc->codec_id))
964 avio_wb32(pb, 1); /* must be 1 for uncompressed formats */
966 avio_wb32(pb, track->enc->frame_size); /* Samples per packet */
967 avio_wb32(pb, track->sample_size / track->enc->channels); /* Bytes per packet */
968 avio_wb32(pb, track->sample_size); /* Bytes per frame */
969 avio_wb32(pb, 2); /* Bytes per sample */
972 if (track->mode == MODE_MOV &&
973 (track->enc->codec_id == AV_CODEC_ID_AAC ||
974 track->enc->codec_id == AV_CODEC_ID_AC3 ||
975 track->enc->codec_id == AV_CODEC_ID_EAC3 ||
976 track->enc->codec_id == AV_CODEC_ID_AMR_NB ||
977 track->enc->codec_id == AV_CODEC_ID_ALAC ||
978 track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
979 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
980 track->enc->codec_id == AV_CODEC_ID_QDM2 ||
981 (mov_pcm_le_gt16(track->enc->codec_id) && version==1) ||
982 (mov_pcm_be_gt16(track->enc->codec_id) && version==1)))
983 mov_write_wave_tag(pb, track);
984 else if (track->tag == MKTAG('m','p','4','a'))
985 mov_write_esds_tag(pb, track);
986 else if (track->enc->codec_id == AV_CODEC_ID_AMR_NB)
987 mov_write_amr_tag(pb, track);
988 else if (track->enc->codec_id == AV_CODEC_ID_AC3)
989 mov_write_ac3_tag(pb, track);
990 else if (track->enc->codec_id == AV_CODEC_ID_EAC3)
991 mov_write_eac3_tag(pb, track);
992 else if (track->enc->codec_id == AV_CODEC_ID_ALAC)
993 mov_write_extradata_tag(pb, track);
994 else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO)
995 mov_write_wfex_tag(pb, track);
996 else if (track->vos_len > 0)
997 mov_write_glbl_tag(pb, track);
999 if (track->mode == MODE_MOV && track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1000 mov_write_chan_tag(pb, track);
1002 return update_size(pb, pos);
1005 static int mov_write_d263_tag(AVIOContext *pb)
1007 avio_wb32(pb, 0xf); /* size */
1008 ffio_wfourcc(pb, "d263");
1009 ffio_wfourcc(pb, "FFMP");
1010 avio_w8(pb, 0); /* decoder version */
1011 /* FIXME use AVCodecContext level/profile, when encoder will set values */
1012 avio_w8(pb, 0xa); /* level */
1013 avio_w8(pb, 0); /* profile */
1017 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
1019 int64_t pos = avio_tell(pb);
1022 ffio_wfourcc(pb, "avcC");
1023 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
1024 return update_size(pb, pos);
1027 static int mov_write_hvcc_tag(AVIOContext *pb, MOVTrack *track)
1029 int64_t pos = avio_tell(pb);
1032 ffio_wfourcc(pb, "hvcC");
1033 ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 0);
1034 return update_size(pb, pos);
1037 /* also used by all avid codecs (dv, imx, meridien) and their variants */
1038 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
1044 if (track->vos_data && track->vos_len > 0x29) {
1045 if (track->vos_data[0] == 0x00 &&
1046 track->vos_data[1] == 0x00 &&
1047 track->vos_data[2] == 0x02 &&
1048 track->vos_data[3] == 0x80 &&
1049 (track->vos_data[4] == 0x01 || track->vos_data[4] == 0x02)) {
1050 /* looks like a DNxHD bit stream */
1051 interlaced = (track->vos_data[5] & 2);
1052 cid = AV_RB32(track->vos_data + 0x28);
1054 av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream in vos_data\n");
1058 av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream, vos_data too small\n");
1062 avio_wb32(pb, 24); /* size */
1063 ffio_wfourcc(pb, "ACLR");
1064 ffio_wfourcc(pb, "ACLR");
1065 ffio_wfourcc(pb, "0001");
1066 if (track->enc->color_range == AVCOL_RANGE_MPEG || /* Legal range (16-235) */
1067 track->enc->color_range == AVCOL_RANGE_UNSPECIFIED) {
1068 avio_wb32(pb, 1); /* Corresponds to 709 in official encoder */
1069 } else { /* Full range (0-255) */
1070 avio_wb32(pb, 2); /* Corresponds to RGB in official encoder */
1072 avio_wb32(pb, 0); /* unknown */
1074 avio_wb32(pb, 24); /* size */
1075 ffio_wfourcc(pb, "APRG");
1076 ffio_wfourcc(pb, "APRG");
1077 ffio_wfourcc(pb, "0001");
1078 avio_wb32(pb, 1); /* unknown */
1079 avio_wb32(pb, 0); /* unknown */
1081 avio_wb32(pb, 120); /* size */
1082 ffio_wfourcc(pb, "ARES");
1083 ffio_wfourcc(pb, "ARES");
1084 ffio_wfourcc(pb, "0001");
1085 avio_wb32(pb, cid); /* dnxhd cid, some id ? */
1086 avio_wb32(pb, track->enc->width);
1087 /* values below are based on samples created with quicktime and avid codecs */
1089 avio_wb32(pb, track->enc->height / 2);
1090 avio_wb32(pb, 2); /* unknown */
1091 avio_wb32(pb, 0); /* unknown */
1092 avio_wb32(pb, 4); /* unknown */
1094 avio_wb32(pb, track->enc->height);
1095 avio_wb32(pb, 1); /* unknown */
1096 avio_wb32(pb, 0); /* unknown */
1097 if (track->enc->height == 1080)
1098 avio_wb32(pb, 5); /* unknown */
1100 avio_wb32(pb, 6); /* unknown */
1103 for (i = 0; i < 10; i++)
1109 static int mov_write_dpxe_tag(AVIOContext *pb, MOVTrack *track)
1112 ffio_wfourcc(pb, "DpxE");
1113 if (track->enc->extradata_size >= 12 &&
1114 !memcmp(&track->enc->extradata[4], "DpxE", 4)) {
1115 avio_wb32(pb, track->enc->extradata[11]);
1122 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1124 int tag = track->enc->codec_tag;
1126 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
1129 if (track->enc->codec_id == AV_CODEC_ID_H264) tag = MKTAG('a','v','c','1');
1130 else if (track->enc->codec_id == AV_CODEC_ID_HEVC) tag = MKTAG('h','e','v','1');
1131 else if (track->enc->codec_id == AV_CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
1132 else if (track->enc->codec_id == AV_CODEC_ID_EAC3) tag = MKTAG('e','c','-','3');
1133 else if (track->enc->codec_id == AV_CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
1134 else if (track->enc->codec_id == AV_CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
1135 else if (track->enc->codec_id == AV_CODEC_ID_VC1) tag = MKTAG('v','c','-','1');
1136 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
1137 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
1138 else if (track->enc->codec_id == AV_CODEC_ID_DVD_SUBTITLE) tag = MKTAG('m','p','4','s');
1143 static const AVCodecTag codec_ipod_tags[] = {
1144 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
1145 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
1146 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
1147 { AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') },
1148 { AV_CODEC_ID_AC3, MKTAG('a','c','-','3') },
1149 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
1150 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
1151 { AV_CODEC_ID_NONE, 0 },
1154 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1156 int tag = track->enc->codec_tag;
1158 // keep original tag for subs, ipod supports both formats
1159 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
1160 (tag == MKTAG('t', 'x', '3', 'g') ||
1161 tag == MKTAG('t', 'e', 'x', 't'))))
1162 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
1164 if (!av_match_ext(s->filename, "m4a") &&
1165 !av_match_ext(s->filename, "m4b") &&
1166 !av_match_ext(s->filename, "m4v"))
1167 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a, .m4v nor .m4b "
1168 "Quicktime/Ipod might not play the file\n");
1173 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
1177 if (track->enc->width == 720) { /* SD */
1178 if (track->enc->height == 480) { /* NTSC */
1179 if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
1180 else tag = MKTAG('d','v','c',' ');
1181 }else if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
1182 else if (track->enc->pix_fmt == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
1183 else tag = MKTAG('d','v','p','p');
1184 } else if (track->enc->height == 720) { /* HD 720 line */
1185 if (track->st->time_base.den == 50) tag = MKTAG('d','v','h','q');
1186 else tag = MKTAG('d','v','h','p');
1187 } else if (track->enc->height == 1080) { /* HD 1080 line */
1188 if (track->st->time_base.den == 25) tag = MKTAG('d','v','h','5');
1189 else tag = MKTAG('d','v','h','6');
1191 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
1198 static AVRational find_fps(AVFormatContext *s, AVStream *st)
1200 AVRational rate = {st->codec->time_base.den, st->codec->time_base.num};
1201 /* if the codec time base makes no sense, try to fallback on stream frame rate */
1202 if (av_timecode_check_frame_rate(rate) < 0) {
1203 av_log(s, AV_LOG_DEBUG, "timecode: tbc=%d/%d invalid, fallback on %d/%d\n",
1204 rate.num, rate.den, st->avg_frame_rate.num, st->avg_frame_rate.den);
1205 rate = st->avg_frame_rate;
1211 static int mov_get_mpeg2_xdcam_codec_tag(AVFormatContext *s, MOVTrack *track)
1213 int tag = track->enc->codec_tag;
1214 int interlaced = track->enc->field_order > AV_FIELD_PROGRESSIVE;
1215 AVStream *st = track->st;
1216 int rate = av_q2d(find_fps(s, st));
1219 tag = MKTAG('m', '2', 'v', '1'); //fallback tag
1221 if (track->enc->pix_fmt == AV_PIX_FMT_YUV420P) {
1222 if (track->enc->width == 1280 && track->enc->height == 720) {
1224 if (rate == 24) tag = MKTAG('x','d','v','4');
1225 else if (rate == 25) tag = MKTAG('x','d','v','5');
1226 else if (rate == 30) tag = MKTAG('x','d','v','1');
1227 else if (rate == 50) tag = MKTAG('x','d','v','a');
1228 else if (rate == 60) tag = MKTAG('x','d','v','9');
1230 } else if (track->enc->width == 1440 && track->enc->height == 1080) {
1232 if (rate == 24) tag = MKTAG('x','d','v','6');
1233 else if (rate == 25) tag = MKTAG('x','d','v','7');
1234 else if (rate == 30) tag = MKTAG('x','d','v','8');
1236 if (rate == 25) tag = MKTAG('x','d','v','3');
1237 else if (rate == 30) tag = MKTAG('x','d','v','2');
1239 } else if (track->enc->width == 1920 && track->enc->height == 1080) {
1241 if (rate == 24) tag = MKTAG('x','d','v','d');
1242 else if (rate == 25) tag = MKTAG('x','d','v','e');
1243 else if (rate == 30) tag = MKTAG('x','d','v','f');
1245 if (rate == 25) tag = MKTAG('x','d','v','c');
1246 else if (rate == 30) tag = MKTAG('x','d','v','b');
1249 } else if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) {
1250 if (track->enc->width == 1280 && track->enc->height == 720) {
1252 if (rate == 24) tag = MKTAG('x','d','5','4');
1253 else if (rate == 25) tag = MKTAG('x','d','5','5');
1254 else if (rate == 30) tag = MKTAG('x','d','5','1');
1255 else if (rate == 50) tag = MKTAG('x','d','5','a');
1256 else if (rate == 60) tag = MKTAG('x','d','5','9');
1258 } else if (track->enc->width == 1920 && track->enc->height == 1080) {
1260 if (rate == 24) tag = MKTAG('x','d','5','d');
1261 else if (rate == 25) tag = MKTAG('x','d','5','e');
1262 else if (rate == 30) tag = MKTAG('x','d','5','f');
1264 if (rate == 25) tag = MKTAG('x','d','5','c');
1265 else if (rate == 30) tag = MKTAG('x','d','5','b');
1273 static int mov_get_h264_codec_tag(AVFormatContext *s, MOVTrack *track)
1275 int tag = track->enc->codec_tag;
1276 int interlaced = track->enc->field_order > AV_FIELD_PROGRESSIVE;
1277 AVStream *st = track->st;
1278 int rate = av_q2d(find_fps(s, st));
1281 tag = MKTAG('a', 'v', 'c', 'i'); //fallback tag
1283 if (track->enc->pix_fmt == AV_PIX_FMT_YUV420P10) {
1284 if (track->enc->width == 960 && track->enc->height == 720) {
1286 if (rate == 24) tag = MKTAG('a','i','5','p');
1287 else if (rate == 25) tag = MKTAG('a','i','5','q');
1288 else if (rate == 30) tag = MKTAG('a','i','5','p');
1289 else if (rate == 50) tag = MKTAG('a','i','5','q');
1290 else if (rate == 60) tag = MKTAG('a','i','5','p');
1292 } else if (track->enc->width == 1440 && track->enc->height == 1080) {
1294 if (rate == 24) tag = MKTAG('a','i','5','3');
1295 else if (rate == 25) tag = MKTAG('a','i','5','2');
1296 else if (rate == 30) tag = MKTAG('a','i','5','3');
1298 if (rate == 50) tag = MKTAG('a','i','5','5');
1299 else if (rate == 60) tag = MKTAG('a','i','5','6');
1302 } else if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P10) {
1303 if (track->enc->width == 1280 && track->enc->height == 720) {
1305 if (rate == 24) tag = MKTAG('a','i','1','p');
1306 else if (rate == 25) tag = MKTAG('a','i','1','q');
1307 else if (rate == 30) tag = MKTAG('a','i','1','p');
1308 else if (rate == 50) tag = MKTAG('a','i','1','q');
1309 else if (rate == 60) tag = MKTAG('a','i','1','p');
1311 } else if (track->enc->width == 1920 && track->enc->height == 1080) {
1313 if (rate == 24) tag = MKTAG('a','i','1','3');
1314 else if (rate == 25) tag = MKTAG('a','i','1','2');
1315 else if (rate == 30) tag = MKTAG('a','i','1','3');
1317 if (rate == 25) tag = MKTAG('a','i','1','5');
1318 else if (rate == 50) tag = MKTAG('a','i','1','5');
1319 else if (rate == 60) tag = MKTAG('a','i','1','6');
1321 } else if ( track->enc->width == 4096 && track->enc->height == 2160
1322 || track->enc->width == 3840 && track->enc->height == 2160
1323 || track->enc->width == 2048 && track->enc->height == 1080) {
1324 tag = MKTAG('a','i','v','x');
1331 static const struct {
1332 enum AVPixelFormat pix_fmt;
1335 } mov_pix_fmt_tags[] = {
1336 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','2'), 0 },
1337 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
1338 { AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
1339 { AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
1340 { AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
1341 { AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
1342 { AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
1343 { AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
1344 { AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
1345 { AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
1346 { AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
1347 { AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
1348 { AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
1349 { AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
1350 { AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
1353 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
1355 int tag = track->enc->codec_tag;
1357 enum AVPixelFormat pix_fmt;
1359 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
1360 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
1361 tag = mov_pix_fmt_tags[i].tag;
1362 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
1363 if (track->enc->codec_tag == mov_pix_fmt_tags[i].tag)
1368 pix_fmt = avpriv_find_pix_fmt(avpriv_pix_fmt_bps_mov,
1369 track->enc->bits_per_coded_sample);
1370 if (tag == MKTAG('r','a','w',' ') &&
1371 track->enc->pix_fmt != pix_fmt &&
1372 track->enc->pix_fmt != AV_PIX_FMT_NONE)
1373 av_log(s, AV_LOG_ERROR, "%s rawvideo cannot be written to mov, output file will be unreadable\n",
1374 av_get_pix_fmt_name(track->enc->pix_fmt));
1378 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1380 int tag = track->enc->codec_tag;
1382 if (!tag || (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
1383 (track->enc->codec_id == AV_CODEC_ID_DVVIDEO ||
1384 track->enc->codec_id == AV_CODEC_ID_RAWVIDEO ||
1385 track->enc->codec_id == AV_CODEC_ID_H263 ||
1386 track->enc->codec_id == AV_CODEC_ID_H264 ||
1387 track->enc->codec_id == AV_CODEC_ID_MPEG2VIDEO ||
1388 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
1389 if (track->enc->codec_id == AV_CODEC_ID_DVVIDEO)
1390 tag = mov_get_dv_codec_tag(s, track);
1391 else if (track->enc->codec_id == AV_CODEC_ID_RAWVIDEO)
1392 tag = mov_get_rawvideo_codec_tag(s, track);
1393 else if (track->enc->codec_id == AV_CODEC_ID_MPEG2VIDEO)
1394 tag = mov_get_mpeg2_xdcam_codec_tag(s, track);
1395 else if (track->enc->codec_id == AV_CODEC_ID_H264)
1396 tag = mov_get_h264_codec_tag(s, track);
1397 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1398 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->enc->codec_id);
1399 if (!tag) { // if no mac fcc found, try with Microsoft tags
1400 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
1402 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
1403 "the file may be unplayable!\n");
1405 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1406 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->enc->codec_id);
1407 if (!tag) { // if no mac fcc found, try with Microsoft tags
1408 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
1410 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
1411 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
1412 "the file may be unplayable!\n");
1415 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
1416 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
1422 static const AVCodecTag codec_3gp_tags[] = {
1423 { AV_CODEC_ID_H263, MKTAG('s','2','6','3') },
1424 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
1425 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
1426 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
1427 { AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
1428 { AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
1429 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
1430 { AV_CODEC_ID_NONE, 0 },
1433 static const AVCodecTag codec_f4v_tags[] = { // XXX: add GIF/PNG/JPEG?
1434 { AV_CODEC_ID_MP3, MKTAG('.','m','p','3') },
1435 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
1436 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
1437 { AV_CODEC_ID_VP6A, MKTAG('V','P','6','A') },
1438 { AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') },
1439 { AV_CODEC_ID_NONE, 0 },
1442 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
1446 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
1447 tag = mp4_get_codec_tag(s, track);
1448 else if (track->mode == MODE_ISM) {
1449 tag = mp4_get_codec_tag(s, track);
1450 if (!tag && track->enc->codec_id == AV_CODEC_ID_WMAPRO)
1451 tag = MKTAG('w', 'm', 'a', ' ');
1452 } else if (track->mode == MODE_IPOD)
1453 tag = ipod_get_codec_tag(s, track);
1454 else if (track->mode & MODE_3GP)
1455 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
1456 else if (track->mode == MODE_F4V)
1457 tag = ff_codec_get_tag(codec_f4v_tags, track->enc->codec_id);
1459 tag = mov_get_codec_tag(s, track);
1464 /** Write uuid atom.
1465 * Needed to make file play in iPods running newest firmware
1466 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
1468 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
1471 ffio_wfourcc(pb, "uuid");
1472 avio_wb32(pb, 0x6b6840f2);
1473 avio_wb32(pb, 0x5f244fc5);
1474 avio_wb32(pb, 0xba39a51b);
1475 avio_wb32(pb, 0xcf0323f3);
1480 static const uint16_t fiel_data[] = {
1481 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
1484 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track)
1486 unsigned mov_field_order = 0;
1487 if (track->enc->field_order < FF_ARRAY_ELEMS(fiel_data))
1488 mov_field_order = fiel_data[track->enc->field_order];
1492 ffio_wfourcc(pb, "fiel");
1493 avio_wb16(pb, mov_field_order);
1497 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
1499 int64_t pos = avio_tell(pb);
1500 avio_wb32(pb, 0); /* size */
1501 avio_wl32(pb, track->tag); // store it byteswapped
1502 avio_wb32(pb, 0); /* Reserved */
1503 avio_wb16(pb, 0); /* Reserved */
1504 avio_wb16(pb, 1); /* Data-reference index */
1506 if (track->enc->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
1507 mov_write_esds_tag(pb, track);
1508 else if (track->enc->extradata_size)
1509 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
1511 return update_size(pb, pos);
1514 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
1517 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
1518 track->enc->sample_aspect_ratio.den, INT_MAX);
1521 ffio_wfourcc(pb, "pasp");
1522 avio_wb32(pb, sar.num);
1523 avio_wb32(pb, sar.den);
1527 static int mov_write_gama_tag(AVIOContext *pb, MOVTrack *track, double gamma)
1532 gamma = avpriv_get_gamma_from_trc(track->enc->color_trc);
1534 av_log(pb, AV_LOG_DEBUG, "gamma value %g\n", gamma);
1537 gama = (uint32_t)lrint((double)(1<<16) * gamma);
1538 av_log(pb, AV_LOG_DEBUG, "writing gama value %d\n", gama);
1540 av_assert0(track->mode == MODE_MOV);
1542 ffio_wfourcc(pb, "gama");
1543 avio_wb32(pb, gama);
1547 av_log(pb, AV_LOG_WARNING, "gamma value unknown, unable to write gama atom\n");
1552 static int mov_write_colr_tag(AVIOContext *pb, MOVTrack *track)
1554 // Ref (MOV): https://developer.apple.com/library/mac/technotes/tn2162/_index.html#//apple_ref/doc/uid/DTS40013070-CH1-TNTAG9
1555 // Ref (MP4): ISO/IEC 14496-12:2012
1557 if (track->enc->color_primaries == AVCOL_PRI_UNSPECIFIED &&
1558 track->enc->color_trc == AVCOL_TRC_UNSPECIFIED &&
1559 track->enc->colorspace == AVCOL_SPC_UNSPECIFIED) {
1560 if ((track->enc->width >= 1920 && track->enc->height >= 1080)
1561 || (track->enc->width == 1280 && track->enc->height == 720)) {
1562 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming bt709\n");
1563 track->enc->color_primaries = AVCOL_PRI_BT709;
1564 } else if (track->enc->width == 720 && track->height == 576) {
1565 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming bt470bg\n");
1566 track->enc->color_primaries = AVCOL_PRI_BT470BG;
1567 } else if (track->enc->width == 720 &&
1568 (track->height == 486 || track->height == 480)) {
1569 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming smpte170\n");
1570 track->enc->color_primaries = AVCOL_PRI_SMPTE170M;
1572 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, unable to assume anything\n");
1574 switch (track->enc->color_primaries) {
1575 case AVCOL_PRI_BT709:
1576 track->enc->color_trc = AVCOL_TRC_BT709;
1577 track->enc->colorspace = AVCOL_SPC_BT709;
1579 case AVCOL_PRI_SMPTE170M:
1580 case AVCOL_PRI_BT470BG:
1581 track->enc->color_trc = AVCOL_TRC_BT709;
1582 track->enc->colorspace = AVCOL_SPC_SMPTE170M;
1587 /* We should only ever be called by MOV or MP4. */
1588 av_assert0(track->mode == MODE_MOV || track->mode == MODE_MP4);
1590 avio_wb32(pb, 18 + (track->mode == MODE_MP4));
1591 ffio_wfourcc(pb, "colr");
1592 if (track->mode == MODE_MP4)
1593 ffio_wfourcc(pb, "nclx");
1595 ffio_wfourcc(pb, "nclc");
1596 switch (track->enc->color_primaries) {
1597 case AVCOL_PRI_BT709: avio_wb16(pb, 1); break;
1598 case AVCOL_PRI_SMPTE170M:
1599 case AVCOL_PRI_SMPTE240M: avio_wb16(pb, 6); break;
1600 case AVCOL_PRI_BT470BG: avio_wb16(pb, 5); break;
1601 default: avio_wb16(pb, 2);
1603 switch (track->enc->color_trc) {
1604 case AVCOL_TRC_BT709: avio_wb16(pb, 1); break;
1605 case AVCOL_TRC_SMPTE170M: avio_wb16(pb, 1); break; // remapped
1606 case AVCOL_TRC_SMPTE240M: avio_wb16(pb, 7); break;
1607 default: avio_wb16(pb, 2);
1609 switch (track->enc->colorspace) {
1610 case AVCOL_TRC_BT709: avio_wb16(pb, 1); break;
1611 case AVCOL_PRI_SMPTE170M: avio_wb16(pb, 6); break;
1612 case AVCOL_PRI_SMPTE240M: avio_wb16(pb, 7); break;
1613 default: avio_wb16(pb, 2);
1616 if (track->mode == MODE_MP4) {
1617 int full_range = track->enc->color_range == AVCOL_RANGE_JPEG;
1618 avio_w8(pb, full_range << 7);
1625 static void find_compressor(char * compressor_name, int len, MOVTrack *track)
1627 AVDictionaryEntry *encoder;
1628 int xdcam_res = (track->enc->width == 1280 && track->enc->height == 720)
1629 || (track->enc->width == 1440 && track->enc->height == 1080)
1630 || (track->enc->width == 1920 && track->enc->height == 1080);
1632 if (track->mode == MODE_MOV &&
1633 (encoder = av_dict_get(track->st->metadata, "encoder", NULL, 0))) {
1634 av_strlcpy(compressor_name, encoder->value, 32);
1635 } else if (track->enc->codec_id == AV_CODEC_ID_MPEG2VIDEO && xdcam_res) {
1636 int interlaced = track->enc->field_order > AV_FIELD_PROGRESSIVE;
1637 AVStream *st = track->st;
1638 int rate = av_q2d(find_fps(NULL, st));
1639 av_strlcatf(compressor_name, len, "XDCAM");
1640 if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) {
1641 av_strlcatf(compressor_name, len, " HD422");
1642 } else if(track->enc->width == 1440) {
1643 av_strlcatf(compressor_name, len, " HD");
1645 av_strlcatf(compressor_name, len, " EX");
1647 av_strlcatf(compressor_name, len, " %d%c", track->enc->height, interlaced ? 'i' : 'p');
1649 av_strlcatf(compressor_name, len, "%d", rate * (interlaced + 1));
1653 static int mov_write_video_tag(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
1655 int64_t pos = avio_tell(pb);
1656 char compressor_name[32] = { 0 };
1659 avio_wb32(pb, 0); /* size */
1660 avio_wl32(pb, track->tag); // store it byteswapped
1661 avio_wb32(pb, 0); /* Reserved */
1662 avio_wb16(pb, 0); /* Reserved */
1663 avio_wb16(pb, 1); /* Data-reference index */
1665 avio_wb16(pb, 0); /* Codec stream version */
1666 avio_wb16(pb, 0); /* Codec stream revision (=0) */
1667 if (track->mode == MODE_MOV) {
1668 ffio_wfourcc(pb, "FFMP"); /* Vendor */
1669 if (track->enc->codec_id == AV_CODEC_ID_RAWVIDEO) {
1670 avio_wb32(pb, 0); /* Temporal Quality */
1671 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
1673 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
1674 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
1677 avio_wb32(pb, 0); /* Reserved */
1678 avio_wb32(pb, 0); /* Reserved */
1679 avio_wb32(pb, 0); /* Reserved */
1681 avio_wb16(pb, track->enc->width); /* Video width */
1682 avio_wb16(pb, track->height); /* Video height */
1683 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
1684 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
1685 avio_wb32(pb, 0); /* Data size (= 0) */
1686 avio_wb16(pb, 1); /* Frame count (= 1) */
1688 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
1689 find_compressor(compressor_name, 32, track);
1690 avio_w8(pb, strlen(compressor_name));
1691 avio_write(pb, compressor_name, 31);
1693 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
1694 avio_wb16(pb, track->enc->bits_per_coded_sample);
1696 avio_wb16(pb, 0x18); /* Reserved */
1697 avio_wb16(pb, 0xffff); /* Reserved */
1698 if (track->tag == MKTAG('m','p','4','v'))
1699 mov_write_esds_tag(pb, track);
1700 else if (track->enc->codec_id == AV_CODEC_ID_H263)
1701 mov_write_d263_tag(pb);
1702 else if (track->enc->codec_id == AV_CODEC_ID_AVUI ||
1703 track->enc->codec_id == AV_CODEC_ID_SVQ3) {
1704 mov_write_extradata_tag(pb, track);
1706 } else if (track->enc->codec_id == AV_CODEC_ID_DNXHD) {
1707 mov_write_avid_tag(pb, track);
1709 } else if (track->enc->codec_id == AV_CODEC_ID_HEVC)
1710 mov_write_hvcc_tag(pb, track);
1711 else if (track->enc->codec_id == AV_CODEC_ID_H264 && !TAG_IS_AVCI(track->tag)) {
1712 mov_write_avcc_tag(pb, track);
1713 if (track->mode == MODE_IPOD)
1714 mov_write_uuid_tag_ipod(pb);
1715 } else if (track->enc->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
1716 mov_write_dvc1_tag(pb, track);
1717 else if (track->enc->codec_id == AV_CODEC_ID_VP6F ||
1718 track->enc->codec_id == AV_CODEC_ID_VP6A) {
1719 /* Don't write any potential extradata here - the cropping
1720 * is signalled via the normal width/height fields. */
1721 } else if (track->enc->codec_id == AV_CODEC_ID_R10K) {
1722 if (track->enc->codec_tag == MKTAG('R','1','0','k'))
1723 mov_write_dpxe_tag(pb, track);
1724 } else if (track->vos_len > 0)
1725 mov_write_glbl_tag(pb, track);
1727 if (track->enc->codec_id != AV_CODEC_ID_H264 &&
1728 track->enc->codec_id != AV_CODEC_ID_MPEG4 &&
1729 track->enc->codec_id != AV_CODEC_ID_DNXHD)
1730 if (track->enc->field_order != AV_FIELD_UNKNOWN)
1731 mov_write_fiel_tag(pb, track);
1733 if (mov->flags & FF_MOV_FLAG_WRITE_GAMA) {
1734 if (track->mode == MODE_MOV)
1735 mov_write_gama_tag(pb, track, mov->gamma);
1737 av_log(mov->fc, AV_LOG_WARNING, "Not writing 'gama' atom. Format is not MOV.\n");
1739 if (mov->flags & FF_MOV_FLAG_WRITE_COLR) {
1740 if (track->mode == MODE_MOV || track->mode == MODE_MP4)
1741 mov_write_colr_tag(pb, track);
1743 av_log(mov->fc, AV_LOG_WARNING, "Not writing 'colr' atom. Format is not MOV or MP4.\n");
1746 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
1747 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
1748 mov_write_pasp_tag(pb, track);
1751 /* extra padding for avid stsd */
1752 /* https://developer.apple.com/library/mac/documentation/QuickTime/QTFF/QTFFChap2/qtff2.html#//apple_ref/doc/uid/TP40000939-CH204-61112 */
1756 return update_size(pb, pos);
1759 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
1761 int64_t pos = avio_tell(pb);
1762 avio_wb32(pb, 0); /* size */
1763 ffio_wfourcc(pb, "rtp ");
1764 avio_wb32(pb, 0); /* Reserved */
1765 avio_wb16(pb, 0); /* Reserved */
1766 avio_wb16(pb, 1); /* Data-reference index */
1768 avio_wb16(pb, 1); /* Hint track version */
1769 avio_wb16(pb, 1); /* Highest compatible version */
1770 avio_wb32(pb, track->max_packet_size); /* Max packet size */
1772 avio_wb32(pb, 12); /* size */
1773 ffio_wfourcc(pb, "tims");
1774 avio_wb32(pb, track->timescale);
1776 return update_size(pb, pos);
1779 static int mov_write_source_reference_tag(AVIOContext *pb, MOVTrack *track, const char *reel_name)
1781 uint64_t str_size =strlen(reel_name);
1782 int64_t pos = avio_tell(pb);
1784 if (str_size >= UINT16_MAX){
1785 av_log(NULL, AV_LOG_ERROR, "reel_name length %"PRIu64" is too large\n", str_size);
1787 return AVERROR(EINVAL);
1790 avio_wb32(pb, 0); /* size */
1791 ffio_wfourcc(pb, "name"); /* Data format */
1792 avio_wb16(pb, str_size); /* string size */
1793 avio_wb16(pb, track->language); /* langcode */
1794 avio_write(pb, reel_name, str_size); /* reel name */
1795 return update_size(pb,pos);
1798 static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
1800 int64_t pos = avio_tell(pb);
1802 int frame_duration = av_rescale(track->timescale, track->enc->time_base.num, track->enc->time_base.den);
1803 int nb_frames = 1.0/av_q2d(track->enc->time_base) + 0.5;
1804 AVDictionaryEntry *t = NULL;
1806 if (nb_frames > 255) {
1807 av_log(NULL, AV_LOG_ERROR, "fps %d is too large\n", nb_frames);
1808 return AVERROR(EINVAL);
1811 avio_wb32(pb, 0); /* size */
1812 ffio_wfourcc(pb, "tmcd"); /* Data format */
1813 avio_wb32(pb, 0); /* Reserved */
1814 avio_wb32(pb, 1); /* Data reference index */
1815 avio_wb32(pb, 0); /* Flags */
1816 avio_wb32(pb, track->timecode_flags); /* Flags (timecode) */
1817 avio_wb32(pb, track->timescale); /* Timescale */
1818 avio_wb32(pb, frame_duration); /* Frame duration */
1819 avio_w8(pb, nb_frames); /* Number of frames */
1820 avio_w8(pb, 0); /* Reserved */
1823 t = av_dict_get(track->st->metadata, "reel_name", NULL, 0);
1825 if (t && utf8len(t->value))
1826 mov_write_source_reference_tag(pb, track, t->value);
1828 avio_wb16(pb, 0); /* zero size */
1831 avio_wb32(pb, 0); /* size */
1832 ffio_wfourcc(pb, "tmcd"); /* Data format */
1833 avio_wb32(pb, 0); /* Reserved */
1834 avio_wb32(pb, 1); /* Data reference index */
1835 if (track->enc->extradata_size)
1836 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
1838 return update_size(pb, pos);
1841 static int mov_write_stsd_tag(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
1843 int64_t pos = avio_tell(pb);
1844 avio_wb32(pb, 0); /* size */
1845 ffio_wfourcc(pb, "stsd");
1846 avio_wb32(pb, 0); /* version & flags */
1847 avio_wb32(pb, 1); /* entry count */
1848 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1849 mov_write_video_tag(pb, mov, track);
1850 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1851 mov_write_audio_tag(pb, track);
1852 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
1853 mov_write_subtitle_tag(pb, track);
1854 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
1855 mov_write_rtp_tag(pb, track);
1856 else if (track->enc->codec_tag == MKTAG('t','m','c','d'))
1857 mov_write_tmcd_tag(pb, track);
1858 return update_size(pb, pos);
1861 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
1863 MOVStts *ctts_entries;
1864 uint32_t entries = 0;
1868 ctts_entries = av_malloc_array((track->entry + 1), sizeof(*ctts_entries)); /* worst case */
1870 return AVERROR(ENOMEM);
1871 ctts_entries[0].count = 1;
1872 ctts_entries[0].duration = track->cluster[0].cts;
1873 for (i = 1; i < track->entry; i++) {
1874 if (track->cluster[i].cts == ctts_entries[entries].duration) {
1875 ctts_entries[entries].count++; /* compress */
1878 ctts_entries[entries].duration = track->cluster[i].cts;
1879 ctts_entries[entries].count = 1;
1882 entries++; /* last one */
1883 atom_size = 16 + (entries * 8);
1884 avio_wb32(pb, atom_size); /* size */
1885 ffio_wfourcc(pb, "ctts");
1886 avio_wb32(pb, 0); /* version & flags */
1887 avio_wb32(pb, entries); /* entry count */
1888 for (i = 0; i < entries; i++) {
1889 avio_wb32(pb, ctts_entries[i].count);
1890 avio_wb32(pb, ctts_entries[i].duration);
1892 av_free(ctts_entries);
1896 /* Time to sample atom */
1897 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
1899 MOVStts *stts_entries = NULL;
1900 uint32_t entries = -1;
1904 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
1905 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
1907 return AVERROR(ENOMEM);
1908 stts_entries[0].count = track->sample_count;
1909 stts_entries[0].duration = 1;
1913 stts_entries = av_malloc_array(track->entry, sizeof(*stts_entries)); /* worst case */
1915 return AVERROR(ENOMEM);
1917 for (i = 0; i < track->entry; i++) {
1918 int duration = get_cluster_duration(track, i);
1919 if (i && duration == stts_entries[entries].duration) {
1920 stts_entries[entries].count++; /* compress */
1923 stts_entries[entries].duration = duration;
1924 stts_entries[entries].count = 1;
1927 entries++; /* last one */
1929 atom_size = 16 + (entries * 8);
1930 avio_wb32(pb, atom_size); /* size */
1931 ffio_wfourcc(pb, "stts");
1932 avio_wb32(pb, 0); /* version & flags */
1933 avio_wb32(pb, entries); /* entry count */
1934 for (i = 0; i < entries; i++) {
1935 avio_wb32(pb, stts_entries[i].count);
1936 avio_wb32(pb, stts_entries[i].duration);
1938 av_free(stts_entries);
1942 static int mov_write_dref_tag(AVIOContext *pb)
1944 avio_wb32(pb, 28); /* size */
1945 ffio_wfourcc(pb, "dref");
1946 avio_wb32(pb, 0); /* version & flags */
1947 avio_wb32(pb, 1); /* entry count */
1949 avio_wb32(pb, 0xc); /* size */
1950 //FIXME add the alis and rsrc atom
1951 ffio_wfourcc(pb, "url ");
1952 avio_wb32(pb, 1); /* version & flags */
1957 static int mov_write_stbl_tag(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
1959 int64_t pos = avio_tell(pb);
1962 avio_wb32(pb, 0); /* size */
1963 ffio_wfourcc(pb, "stbl");
1964 mov_write_stsd_tag(pb, mov, track);
1965 mov_write_stts_tag(pb, track);
1966 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1967 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
1968 track->has_keyframes && track->has_keyframes < track->entry)
1969 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1970 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1971 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
1972 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1973 track->flags & MOV_TRACK_CTTS && track->entry) {
1975 if ((ret = mov_write_ctts_tag(pb, track)) < 0)
1978 mov_write_stsc_tag(pb, track);
1979 mov_write_stsz_tag(pb, track);
1980 mov_write_stco_tag(pb, track);
1981 return update_size(pb, pos);
1984 static int mov_write_dinf_tag(AVIOContext *pb)
1986 int64_t pos = avio_tell(pb);
1987 avio_wb32(pb, 0); /* size */
1988 ffio_wfourcc(pb, "dinf");
1989 mov_write_dref_tag(pb);
1990 return update_size(pb, pos);
1993 static int mov_write_nmhd_tag(AVIOContext *pb)
1996 ffio_wfourcc(pb, "nmhd");
2001 static int mov_write_tcmi_tag(AVIOContext *pb, MOVTrack *track)
2003 int64_t pos = avio_tell(pb);
2004 const char *font = "Lucida Grande";
2005 avio_wb32(pb, 0); /* size */
2006 ffio_wfourcc(pb, "tcmi"); /* timecode media information atom */
2007 avio_wb32(pb, 0); /* version & flags */
2008 avio_wb16(pb, 0); /* text font */
2009 avio_wb16(pb, 0); /* text face */
2010 avio_wb16(pb, 12); /* text size */
2011 avio_wb16(pb, 0); /* (unknown, not in the QT specs...) */
2012 avio_wb16(pb, 0x0000); /* text color (red) */
2013 avio_wb16(pb, 0x0000); /* text color (green) */
2014 avio_wb16(pb, 0x0000); /* text color (blue) */
2015 avio_wb16(pb, 0xffff); /* background color (red) */
2016 avio_wb16(pb, 0xffff); /* background color (green) */
2017 avio_wb16(pb, 0xffff); /* background color (blue) */
2018 avio_w8(pb, strlen(font)); /* font len (part of the pascal string) */
2019 avio_write(pb, font, strlen(font)); /* font name */
2020 return update_size(pb, pos);
2023 static int mov_write_gmhd_tag(AVIOContext *pb, MOVTrack *track)
2025 int64_t pos = avio_tell(pb);
2026 avio_wb32(pb, 0); /* size */
2027 ffio_wfourcc(pb, "gmhd");
2028 avio_wb32(pb, 0x18); /* gmin size */
2029 ffio_wfourcc(pb, "gmin");/* generic media info */
2030 avio_wb32(pb, 0); /* version & flags */
2031 avio_wb16(pb, 0x40); /* graphics mode = */
2032 avio_wb16(pb, 0x8000); /* opColor (r?) */
2033 avio_wb16(pb, 0x8000); /* opColor (g?) */
2034 avio_wb16(pb, 0x8000); /* opColor (b?) */
2035 avio_wb16(pb, 0); /* balance */
2036 avio_wb16(pb, 0); /* reserved */
2039 * This special text atom is required for
2040 * Apple Quicktime chapters. The contents
2041 * don't appear to be documented, so the
2042 * bytes are copied verbatim.
2044 if (track->tag != MKTAG('c','6','0','8')) {
2045 avio_wb32(pb, 0x2C); /* size */
2046 ffio_wfourcc(pb, "text");
2047 avio_wb16(pb, 0x01);
2048 avio_wb32(pb, 0x00);
2049 avio_wb32(pb, 0x00);
2050 avio_wb32(pb, 0x00);
2051 avio_wb32(pb, 0x01);
2052 avio_wb32(pb, 0x00);
2053 avio_wb32(pb, 0x00);
2054 avio_wb32(pb, 0x00);
2055 avio_wb32(pb, 0x00004000);
2056 avio_wb16(pb, 0x0000);
2059 if (track->enc->codec_tag == MKTAG('t','m','c','d')) {
2060 int64_t tmcd_pos = avio_tell(pb);
2061 avio_wb32(pb, 0); /* size */
2062 ffio_wfourcc(pb, "tmcd");
2063 mov_write_tcmi_tag(pb, track);
2064 update_size(pb, tmcd_pos);
2066 return update_size(pb, pos);
2069 static int mov_write_smhd_tag(AVIOContext *pb)
2071 avio_wb32(pb, 16); /* size */
2072 ffio_wfourcc(pb, "smhd");
2073 avio_wb32(pb, 0); /* version & flags */
2074 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
2075 avio_wb16(pb, 0); /* reserved */
2079 static int mov_write_vmhd_tag(AVIOContext *pb)
2081 avio_wb32(pb, 0x14); /* size (always 0x14) */
2082 ffio_wfourcc(pb, "vmhd");
2083 avio_wb32(pb, 0x01); /* version & flags */
2084 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
2088 static int is_clcp_track(MOVTrack *track)
2090 return track->tag == MKTAG('c','7','0','8') ||
2091 track->tag == MKTAG('c','6','0','8');
2094 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
2096 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
2097 int64_t pos = avio_tell(pb);
2101 descr = "DataHandler";
2104 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
2105 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2107 descr = "VideoHandler";
2108 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
2110 descr = "SoundHandler";
2111 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2112 if (is_clcp_track(track)) {
2114 descr = "ClosedCaptionHandler";
2116 if (track->tag == MKTAG('t','x','3','g')) {
2118 } else if (track->tag == MKTAG('m','p','4','s')) {
2123 descr = "SubtitleHandler";
2125 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
2127 descr = "HintHandler";
2128 } else if (track->enc->codec_tag == MKTAG('t','m','c','d')) {
2130 descr = "TimeCodeHandler";
2133 av_get_codec_tag_string(tag_buf, sizeof(tag_buf),
2134 track->enc->codec_tag);
2136 av_log(track->enc, AV_LOG_WARNING,
2137 "Unknown hldr_type for %s / 0x%04X, writing dummy values\n",
2138 tag_buf, track->enc->codec_tag);
2141 // hdlr.name is used by some players to identify the content title
2142 // of the track. So if an alternate handler description is
2143 // specified, use it.
2144 AVDictionaryEntry *t;
2145 t = av_dict_get(track->st->metadata, "handler", NULL, 0);
2146 if (t && utf8len(t->value))
2151 avio_wb32(pb, 0); /* size */
2152 ffio_wfourcc(pb, "hdlr");
2153 avio_wb32(pb, 0); /* Version & flags */
2154 avio_write(pb, hdlr, 4); /* handler */
2155 ffio_wfourcc(pb, hdlr_type); /* handler type */
2156 avio_wb32(pb, 0); /* reserved */
2157 avio_wb32(pb, 0); /* reserved */
2158 avio_wb32(pb, 0); /* reserved */
2159 if (!track || track->mode == MODE_MOV)
2160 avio_w8(pb, strlen(descr)); /* pascal string */
2161 avio_write(pb, descr, strlen(descr)); /* handler description */
2162 if (track && track->mode != MODE_MOV)
2163 avio_w8(pb, 0); /* c string */
2164 return update_size(pb, pos);
2167 static int mov_write_hmhd_tag(AVIOContext *pb)
2169 /* This atom must be present, but leaving the values at zero
2170 * seems harmless. */
2171 avio_wb32(pb, 28); /* size */
2172 ffio_wfourcc(pb, "hmhd");
2173 avio_wb32(pb, 0); /* version, flags */
2174 avio_wb16(pb, 0); /* maxPDUsize */
2175 avio_wb16(pb, 0); /* avgPDUsize */
2176 avio_wb32(pb, 0); /* maxbitrate */
2177 avio_wb32(pb, 0); /* avgbitrate */
2178 avio_wb32(pb, 0); /* reserved */
2182 static int mov_write_minf_tag(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2184 int64_t pos = avio_tell(pb);
2187 avio_wb32(pb, 0); /* size */
2188 ffio_wfourcc(pb, "minf");
2189 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
2190 mov_write_vmhd_tag(pb);
2191 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
2192 mov_write_smhd_tag(pb);
2193 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2194 if (track->tag == MKTAG('t','e','x','t') || is_clcp_track(track)) {
2195 mov_write_gmhd_tag(pb, track);
2197 mov_write_nmhd_tag(pb);
2199 } else if (track->tag == MKTAG('r','t','p',' ')) {
2200 mov_write_hmhd_tag(pb);
2201 } else if (track->tag == MKTAG('t','m','c','d')) {
2202 mov_write_gmhd_tag(pb, track);
2204 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
2205 mov_write_hdlr_tag(pb, NULL);
2206 mov_write_dinf_tag(pb);
2207 if ((ret = mov_write_stbl_tag(pb, mov, track)) < 0)
2209 return update_size(pb, pos);
2212 static int mov_write_mdhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2215 int version = track->track_duration < INT32_MAX ? 0 : 1;
2217 if (track->mode == MODE_ISM)
2220 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
2221 ffio_wfourcc(pb, "mdhd");
2222 avio_w8(pb, version);
2223 avio_wb24(pb, 0); /* flags */
2225 avio_wb64(pb, track->time);
2226 avio_wb64(pb, track->time);
2228 avio_wb32(pb, track->time); /* creation time */
2229 avio_wb32(pb, track->time); /* modification time */
2231 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
2232 if (!track->entry && mov->mode == MODE_ISM)
2233 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2234 else if (!track->entry)
2235 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2237 (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
2238 avio_wb16(pb, track->language); /* language */
2239 avio_wb16(pb, 0); /* reserved (quality) */
2241 if (version != 0 && track->mode == MODE_MOV) {
2242 av_log(NULL, AV_LOG_ERROR,
2243 "FATAL error, file duration too long for timebase, this file will not be\n"
2244 "playable with quicktime. Choose a different timebase or a different\n"
2245 "container format\n");
2251 static int mov_write_mdia_tag(AVIOContext *pb, MOVMuxContext *mov,
2254 int64_t pos = avio_tell(pb);
2257 avio_wb32(pb, 0); /* size */
2258 ffio_wfourcc(pb, "mdia");
2259 mov_write_mdhd_tag(pb, mov, track);
2260 mov_write_hdlr_tag(pb, track);
2261 if ((ret = mov_write_minf_tag(pb, mov, track)) < 0)
2263 return update_size(pb, pos);
2266 /* transformation matrix
2270 static void write_matrix(AVIOContext *pb, int16_t a, int16_t b, int16_t c,
2271 int16_t d, int16_t tx, int16_t ty)
2273 avio_wb32(pb, a << 16); /* 16.16 format */
2274 avio_wb32(pb, b << 16); /* 16.16 format */
2275 avio_wb32(pb, 0); /* u in 2.30 format */
2276 avio_wb32(pb, c << 16); /* 16.16 format */
2277 avio_wb32(pb, d << 16); /* 16.16 format */
2278 avio_wb32(pb, 0); /* v in 2.30 format */
2279 avio_wb32(pb, tx << 16); /* 16.16 format */
2280 avio_wb32(pb, ty << 16); /* 16.16 format */
2281 avio_wb32(pb, 1 << 30); /* w in 2.30 format */
2284 static int mov_write_tkhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2285 MOVTrack *track, AVStream *st)
2287 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
2288 track->timescale, AV_ROUND_UP);
2289 int version = duration < INT32_MAX ? 0 : 1;
2290 int flags = MOV_TKHD_FLAG_IN_MOVIE;
2296 if (mov->per_stream_grouping)
2299 group = st->codec->codec_type;
2302 if (track->flags & MOV_TRACK_ENABLED)
2303 flags |= MOV_TKHD_FLAG_ENABLED;
2305 if (track->mode == MODE_ISM)
2308 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
2309 ffio_wfourcc(pb, "tkhd");
2310 avio_w8(pb, version);
2311 avio_wb24(pb, flags);
2313 avio_wb64(pb, track->time);
2314 avio_wb64(pb, track->time);
2316 avio_wb32(pb, track->time); /* creation time */
2317 avio_wb32(pb, track->time); /* modification time */
2319 avio_wb32(pb, track->track_id); /* track-id */
2320 avio_wb32(pb, 0); /* reserved */
2321 if (!track->entry && mov->mode == MODE_ISM)
2322 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2323 else if (!track->entry)
2324 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2326 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
2328 avio_wb32(pb, 0); /* reserved */
2329 avio_wb32(pb, 0); /* reserved */
2330 avio_wb16(pb, 0); /* layer */
2331 avio_wb16(pb, group); /* alternate group) */
2332 /* Volume, only for audio */
2333 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
2334 avio_wb16(pb, 0x0100);
2337 avio_wb16(pb, 0); /* reserved */
2339 /* Matrix structure */
2340 if (st && st->metadata) {
2341 AVDictionaryEntry *rot = av_dict_get(st->metadata, "rotate", NULL, 0);
2342 rotation = (rot && rot->value) ? atoi(rot->value) : 0;
2344 if (rotation == 90) {
2345 write_matrix(pb, 0, 1, -1, 0, track->enc->height, 0);
2346 } else if (rotation == 180) {
2347 write_matrix(pb, -1, 0, 0, -1, track->enc->width, track->enc->height);
2348 } else if (rotation == 270) {
2349 write_matrix(pb, 0, -1, 1, 0, 0, track->enc->width);
2351 write_matrix(pb, 1, 0, 0, 1, 0, 0);
2353 /* Track width and height, for visual only */
2354 if (st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
2355 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
2356 if (track->mode == MODE_MOV) {
2357 avio_wb32(pb, track->enc->width << 16);
2358 avio_wb32(pb, track->height << 16);
2360 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
2361 if (!sample_aspect_ratio || track->height != track->enc->height)
2362 sample_aspect_ratio = 1;
2363 avio_wb32(pb, sample_aspect_ratio * track->enc->width * 0x10000);
2364 avio_wb32(pb, track->height * 0x10000);
2373 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
2375 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
2376 track->enc->sample_aspect_ratio.den);
2378 int64_t pos = avio_tell(pb);
2380 avio_wb32(pb, 0); /* size */
2381 ffio_wfourcc(pb, "tapt");
2384 ffio_wfourcc(pb, "clef");
2386 avio_wb32(pb, width << 16);
2387 avio_wb32(pb, track->enc->height << 16);
2390 ffio_wfourcc(pb, "prof");
2392 avio_wb32(pb, width << 16);
2393 avio_wb32(pb, track->enc->height << 16);
2396 ffio_wfourcc(pb, "enof");
2398 avio_wb32(pb, track->enc->width << 16);
2399 avio_wb32(pb, track->enc->height << 16);
2401 return update_size(pb, pos);
2404 // This box seems important for the psp playback ... without it the movie seems to hang
2405 static int mov_write_edts_tag(AVIOContext *pb, MOVMuxContext *mov,
2408 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
2409 track->timescale, AV_ROUND_UP);
2410 int version = duration < INT32_MAX ? 0 : 1;
2411 int entry_size, entry_count, size;
2412 int64_t delay, start_ct = track->start_cts;
2413 int64_t start_dts = track->start_dts;
2416 if (start_dts != track->cluster[0].dts || start_ct != track->cluster[0].cts) {
2418 av_log(mov->fc, AV_LOG_DEBUG,
2419 "EDTS using dts:%"PRId64" cts:%d instead of dts:%"PRId64" cts:%"PRId64" tid:%d\n",
2420 track->cluster[0].dts, track->cluster[0].cts,
2421 start_dts, start_ct, track->track_id);
2422 start_dts = track->cluster[0].dts;
2423 start_ct = track->cluster[0].cts;
2427 delay = av_rescale_rnd(start_dts + start_ct, MOV_TIMESCALE,
2428 track->timescale, AV_ROUND_DOWN);
2429 version |= delay < INT32_MAX ? 0 : 1;
2431 entry_size = (version == 1) ? 20 : 12;
2432 entry_count = 1 + (delay > 0);
2433 size = 24 + entry_count * entry_size;
2435 /* write the atom data */
2436 avio_wb32(pb, size);
2437 ffio_wfourcc(pb, "edts");
2438 avio_wb32(pb, size - 8);
2439 ffio_wfourcc(pb, "elst");
2440 avio_w8(pb, version);
2441 avio_wb24(pb, 0); /* flags */
2443 avio_wb32(pb, entry_count);
2444 if (delay > 0) { /* add an empty edit to delay presentation */
2445 /* In the positive delay case, the delay includes the cts
2446 * offset, and the second edit list entry below trims out
2447 * the same amount from the actual content. This makes sure
2448 * that the offsetted last sample is included in the edit
2449 * list duration as well. */
2451 avio_wb64(pb, delay);
2454 avio_wb32(pb, delay);
2457 avio_wb32(pb, 0x00010000);
2459 /* Avoid accidentally ending up with start_ct = -1 which has got a
2460 * special meaning. Normally start_ct should end up positive or zero
2461 * here, but use FFMIN in case dts is a a small positive integer
2462 * rounded to 0 when represented in MOV_TIMESCALE units. */
2463 av_assert0(av_rescale_rnd(start_dts, MOV_TIMESCALE, track->timescale, AV_ROUND_DOWN) <= 0);
2464 start_ct = -FFMIN(start_dts, 0);
2465 /* Note, this delay is calculated from the pts of the first sample,
2466 * ensuring that we don't reduce the duration for cases with
2471 /* For fragmented files, we don't know the full length yet. Setting
2472 * duration to 0 allows us to only specify the offset, including
2473 * the rest of the content (from all future fragments) without specifying
2474 * an explicit duration. */
2475 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
2480 avio_wb64(pb, duration);
2481 avio_wb64(pb, start_ct);
2483 avio_wb32(pb, duration);
2484 avio_wb32(pb, start_ct);
2486 avio_wb32(pb, 0x00010000);
2490 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
2492 avio_wb32(pb, 20); // size
2493 ffio_wfourcc(pb, "tref");
2494 avio_wb32(pb, 12); // size (subatom)
2495 avio_wl32(pb, track->tref_tag);
2496 avio_wb32(pb, track->tref_id);
2500 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
2501 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
2503 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
2504 ffio_wfourcc(pb, "uuid");
2505 ffio_wfourcc(pb, "USMT");
2506 avio_wb32(pb, 0x21d24fce);
2507 avio_wb32(pb, 0xbb88695c);
2508 avio_wb32(pb, 0xfac9c740);
2509 avio_wb32(pb, 0x1c); // another size here!
2510 ffio_wfourcc(pb, "MTDT");
2511 avio_wb32(pb, 0x00010012);
2512 avio_wb32(pb, 0x0a);
2513 avio_wb32(pb, 0x55c40000);
2519 static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
2521 AVFormatContext *ctx = track->rtp_ctx;
2522 char buf[1000] = "";
2525 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
2526 NULL, NULL, 0, 0, ctx);
2527 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
2530 avio_wb32(pb, len + 24);
2531 ffio_wfourcc(pb, "udta");
2532 avio_wb32(pb, len + 16);
2533 ffio_wfourcc(pb, "hnti");
2534 avio_wb32(pb, len + 8);
2535 ffio_wfourcc(pb, "sdp ");
2536 avio_write(pb, buf, len);
2540 static int mov_write_track_metadata(AVIOContext *pb, AVStream *st,
2541 const char *tag, const char *str)
2543 int64_t pos = avio_tell(pb);
2544 AVDictionaryEntry *t = av_dict_get(st->metadata, str, NULL, 0);
2545 if (!t || !utf8len(t->value))
2548 avio_wb32(pb, 0); /* size */
2549 ffio_wfourcc(pb, tag); /* type */
2550 avio_write(pb, t->value, strlen(t->value)); /* UTF8 string value */
2551 return update_size(pb, pos);
2554 static int mov_write_track_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
2557 AVIOContext *pb_buf;
2561 if (!st || mov->fc->flags & AVFMT_FLAG_BITEXACT)
2564 ret = avio_open_dyn_buf(&pb_buf);
2568 if (mov->mode & MODE_MP4)
2569 mov_write_track_metadata(pb_buf, st, "name", "title");
2571 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
2572 avio_wb32(pb, size + 8);
2573 ffio_wfourcc(pb, "udta");
2574 avio_write(pb, buf, size);
2581 static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov,
2582 MOVTrack *track, AVStream *st)
2584 int64_t pos = avio_tell(pb);
2585 int entry_backup = track->entry;
2586 int chunk_backup = track->chunkCount;
2589 /* If we want to have an empty moov, but some samples already have been
2590 * buffered (delay_moov), pretend that no samples have been written yet. */
2591 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV)
2592 track->chunkCount = track->entry = 0;
2594 avio_wb32(pb, 0); /* size */
2595 ffio_wfourcc(pb, "trak");
2596 mov_write_tkhd_tag(pb, mov, track, st);
2598 av_assert2(mov->use_editlist >= 0);
2600 if (track->start_dts != AV_NOPTS_VALUE) {
2601 if (mov->use_editlist)
2602 mov_write_edts_tag(pb, mov, track); // PSP Movies and several other cases require edts box
2603 else if ((track->entry && track->cluster[0].dts) || track->mode == MODE_PSP || is_clcp_track(track))
2604 av_log(mov->fc, AV_LOG_WARNING,
2605 "Not writing any edit list even though one would have been required\n");
2608 if (track->tref_tag)
2609 mov_write_tref_tag(pb, track);
2611 if ((ret = mov_write_mdia_tag(pb, mov, track)) < 0)
2613 if (track->mode == MODE_PSP)
2614 mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box
2615 if (track->tag == MKTAG('r','t','p',' '))
2616 mov_write_udta_sdp(pb, track);
2617 if (track->mode == MODE_MOV) {
2618 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2619 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
2620 if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio) {
2621 mov_write_tapt_tag(pb, track);
2624 if (is_clcp_track(track) && st->sample_aspect_ratio.num) {
2625 mov_write_tapt_tag(pb, track);
2628 mov_write_track_udta_tag(pb, mov, st);
2629 track->entry = entry_backup;
2630 track->chunkCount = chunk_backup;
2631 return update_size(pb, pos);
2634 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
2636 int i, has_audio = 0, has_video = 0;
2637 int64_t pos = avio_tell(pb);
2638 int audio_profile = mov->iods_audio_profile;
2639 int video_profile = mov->iods_video_profile;
2640 for (i = 0; i < mov->nb_streams; i++) {
2641 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
2642 has_audio |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_AUDIO;
2643 has_video |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_VIDEO;
2646 if (audio_profile < 0)
2647 audio_profile = 0xFF - has_audio;
2648 if (video_profile < 0)
2649 video_profile = 0xFF - has_video;
2650 avio_wb32(pb, 0x0); /* size */
2651 ffio_wfourcc(pb, "iods");
2652 avio_wb32(pb, 0); /* version & flags */
2653 put_descr(pb, 0x10, 7);
2654 avio_wb16(pb, 0x004f);
2657 avio_w8(pb, audio_profile);
2658 avio_w8(pb, video_profile);
2660 return update_size(pb, pos);
2663 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
2665 avio_wb32(pb, 0x20); /* size */
2666 ffio_wfourcc(pb, "trex");
2667 avio_wb32(pb, 0); /* version & flags */
2668 avio_wb32(pb, track->track_id); /* track ID */
2669 avio_wb32(pb, 1); /* default sample description index */
2670 avio_wb32(pb, 0); /* default sample duration */
2671 avio_wb32(pb, 0); /* default sample size */
2672 avio_wb32(pb, 0); /* default sample flags */
2676 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
2678 int64_t pos = avio_tell(pb);
2680 avio_wb32(pb, 0x0); /* size */
2681 ffio_wfourcc(pb, "mvex");
2682 for (i = 0; i < mov->nb_streams; i++)
2683 mov_write_trex_tag(pb, &mov->tracks[i]);
2684 return update_size(pb, pos);
2687 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
2689 int max_track_id = 1, i;
2690 int64_t max_track_len = 0;
2693 for (i = 0; i < mov->nb_streams; i++) {
2694 if (mov->tracks[i].entry > 0 && mov->tracks[i].timescale) {
2695 int64_t max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
2697 mov->tracks[i].timescale,
2699 if (max_track_len < max_track_len_temp)
2700 max_track_len = max_track_len_temp;
2701 if (max_track_id < mov->tracks[i].track_id)
2702 max_track_id = mov->tracks[i].track_id;
2705 /* If using delay_moov, make sure the output is the same as if no
2706 * samples had been written yet. */
2707 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
2712 version = max_track_len < UINT32_MAX ? 0 : 1;
2713 avio_wb32(pb, version == 1 ? 120 : 108); /* size */
2715 ffio_wfourcc(pb, "mvhd");
2716 avio_w8(pb, version);
2717 avio_wb24(pb, 0); /* flags */
2719 avio_wb64(pb, mov->time);
2720 avio_wb64(pb, mov->time);
2722 avio_wb32(pb, mov->time); /* creation time */
2723 avio_wb32(pb, mov->time); /* modification time */
2725 avio_wb32(pb, MOV_TIMESCALE);
2726 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
2728 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
2729 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
2730 avio_wb16(pb, 0); /* reserved */
2731 avio_wb32(pb, 0); /* reserved */
2732 avio_wb32(pb, 0); /* reserved */
2734 /* Matrix structure */
2735 write_matrix(pb, 1, 0, 0, 1, 0, 0);
2737 avio_wb32(pb, 0); /* reserved (preview time) */
2738 avio_wb32(pb, 0); /* reserved (preview duration) */
2739 avio_wb32(pb, 0); /* reserved (poster time) */
2740 avio_wb32(pb, 0); /* reserved (selection time) */
2741 avio_wb32(pb, 0); /* reserved (selection duration) */
2742 avio_wb32(pb, 0); /* reserved (current time) */
2743 avio_wb32(pb, max_track_id + 1); /* Next track id */
2747 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
2750 avio_wb32(pb, 33); /* size */
2751 ffio_wfourcc(pb, "hdlr");
2754 ffio_wfourcc(pb, "mdir");
2755 ffio_wfourcc(pb, "appl");
2762 /* helper function to write a data tag with the specified string as data */
2763 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
2766 int size = 16 + strlen(data);
2767 avio_wb32(pb, size); /* size */
2768 ffio_wfourcc(pb, "data");
2771 avio_write(pb, data, strlen(data));
2775 lang = ff_mov_iso639_to_lang("und", 1);
2776 avio_wb16(pb, strlen(data)); /* string length */
2777 avio_wb16(pb, lang);
2778 avio_write(pb, data, strlen(data));
2779 return strlen(data) + 4;
2783 static int mov_write_string_tag(AVIOContext *pb, const char *name,
2784 const char *value, int lang, int long_style)
2787 if (value && value[0]) {
2788 int64_t pos = avio_tell(pb);
2789 avio_wb32(pb, 0); /* size */
2790 ffio_wfourcc(pb, name);
2791 mov_write_string_data_tag(pb, value, lang, long_style);
2792 size = update_size(pb, pos);
2797 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
2798 const char *name, const char *tag,
2801 int l, lang = 0, len, len2;
2802 AVDictionaryEntry *t, *t2 = NULL;
2805 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
2808 len = strlen(t->key);
2809 snprintf(tag2, sizeof(tag2), "%s-", tag);
2810 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
2811 len2 = strlen(t2->key);
2812 if (len2 == len + 4 && !strcmp(t->value, t2->value)
2813 && (l = ff_mov_iso639_to_lang(&t2->key[len2 - 3], 1)) >= 0) {
2818 return mov_write_string_tag(pb, name, t->value, lang, long_style);
2821 /* iTunes bpm number */
2822 static int mov_write_tmpo_tag(AVIOContext *pb, AVFormatContext *s)
2824 AVDictionaryEntry *t = av_dict_get(s->metadata, "tmpo", NULL, 0);
2825 int size = 0, tmpo = t ? atoi(t->value) : 0;
2828 avio_wb32(pb, size);
2829 ffio_wfourcc(pb, "tmpo");
2830 avio_wb32(pb, size-8); /* size */
2831 ffio_wfourcc(pb, "data");
2832 avio_wb32(pb, 0x15); //type specifier
2834 avio_wb16(pb, tmpo); // data
2839 /* iTunes track or disc number */
2840 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
2841 AVFormatContext *s, int disc)
2843 AVDictionaryEntry *t = av_dict_get(s->metadata,
2844 disc ? "disc" : "track",
2846 int size = 0, track = t ? atoi(t->value) : 0;
2849 char *slash = strchr(t->value, '/');
2851 tracks = atoi(slash + 1);
2852 avio_wb32(pb, 32); /* size */
2853 ffio_wfourcc(pb, disc ? "disk" : "trkn");
2854 avio_wb32(pb, 24); /* size */
2855 ffio_wfourcc(pb, "data");
2856 avio_wb32(pb, 0); // 8 bytes empty
2858 avio_wb16(pb, 0); // empty
2859 avio_wb16(pb, track); // track / disc number
2860 avio_wb16(pb, tracks); // total track / disc number
2861 avio_wb16(pb, 0); // empty
2867 static int mov_write_int8_metadata(AVFormatContext *s, AVIOContext *pb,
2868 const char *name, const char *tag,
2871 AVDictionaryEntry *t = NULL;
2873 int size = 24 + len;
2875 if (len != 1 && len != 4)
2878 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
2880 num = atoi(t->value);
2882 avio_wb32(pb, size);
2883 ffio_wfourcc(pb, name);
2884 avio_wb32(pb, size - 8);
2885 ffio_wfourcc(pb, "data");
2886 avio_wb32(pb, 0x15);
2888 if (len==4) avio_wb32(pb, num);
2889 else avio_w8 (pb, num);
2894 /* iTunes meta data list */
2895 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
2898 int64_t pos = avio_tell(pb);
2899 avio_wb32(pb, 0); /* size */
2900 ffio_wfourcc(pb, "ilst");
2901 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
2902 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
2903 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
2904 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
2905 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
2906 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
2908 !mov_write_string_metadata(s, pb, "\251too", "encoding_tool", 1))
2909 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
2910 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
2911 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
2912 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
2913 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
2914 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
2915 mov_write_string_metadata(s, pb, "desc", "description",1);
2916 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
2917 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
2918 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
2919 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
2920 mov_write_int8_metadata (s, pb, "tves", "episode_sort",4);
2921 mov_write_int8_metadata (s, pb, "tvsn", "season_number",4);
2922 mov_write_int8_metadata (s, pb, "stik", "media_type",1);
2923 mov_write_int8_metadata (s, pb, "hdvd", "hd_video", 1);
2924 mov_write_int8_metadata (s, pb, "pgap", "gapless_playback",1);
2925 mov_write_int8_metadata (s, pb, "cpil", "compilation", 1);
2926 mov_write_trkn_tag(pb, mov, s, 0); // track number
2927 mov_write_trkn_tag(pb, mov, s, 1); // disc number
2928 mov_write_tmpo_tag(pb, s);
2929 return update_size(pb, pos);
2932 /* iTunes meta data tag */
2933 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
2937 int64_t pos = avio_tell(pb);
2938 avio_wb32(pb, 0); /* size */
2939 ffio_wfourcc(pb, "meta");
2941 mov_write_itunes_hdlr_tag(pb, mov, s);
2942 mov_write_ilst_tag(pb, mov, s);
2943 size = update_size(pb, pos);
2947 static int mov_write_raw_metadata_tag(AVFormatContext *s, AVIOContext *pb,
2948 const char *name, const char *key)
2951 AVDictionaryEntry *t;
2953 if (!(t = av_dict_get(s->metadata, key, NULL, 0)))
2956 len = strlen(t->value);
2959 avio_wb32(pb, size);
2960 ffio_wfourcc(pb, name);
2961 avio_write(pb, t->value, len);
2967 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
2971 GET_UTF8(val, *b++, return -1;)
2974 avio_wb16(pb, 0x00);
2978 static uint16_t language_code(const char *str)
2980 return (((str[0] - 0x60) & 0x1F) << 10) +
2981 (((str[1] - 0x60) & 0x1F) << 5) +
2982 (( str[2] - 0x60) & 0x1F);
2985 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
2986 const char *tag, const char *str)
2988 int64_t pos = avio_tell(pb);
2989 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
2990 if (!t || !utf8len(t->value))
2992 avio_wb32(pb, 0); /* size */
2993 ffio_wfourcc(pb, tag); /* type */
2994 avio_wb32(pb, 0); /* version + flags */
2995 if (!strcmp(tag, "yrrc"))
2996 avio_wb16(pb, atoi(t->value));
2998 avio_wb16(pb, language_code("eng")); /* language */
2999 avio_write(pb, t->value, strlen(t->value) + 1); /* UTF8 string value */
3000 if (!strcmp(tag, "albm") &&
3001 (t = av_dict_get(s->metadata, "track", NULL, 0)))
3002 avio_w8(pb, atoi(t->value));
3004 return update_size(pb, pos);
3007 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
3009 int64_t pos = avio_tell(pb);
3010 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
3012 avio_wb32(pb, 0); // size
3013 ffio_wfourcc(pb, "chpl");
3014 avio_wb32(pb, 0x01000000); // version + flags
3015 avio_wb32(pb, 0); // unknown
3016 avio_w8(pb, nb_chapters);
3018 for (i = 0; i < nb_chapters; i++) {
3019 AVChapter *c = s->chapters[i];
3020 AVDictionaryEntry *t;
3021 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
3023 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3024 int len = FFMIN(strlen(t->value), 255);
3026 avio_write(pb, t->value, len);
3030 return update_size(pb, pos);
3033 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
3036 AVIOContext *pb_buf;
3040 ret = avio_open_dyn_buf(&pb_buf);
3044 if (mov->mode & MODE_3GP) {
3045 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
3046 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
3047 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
3048 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
3049 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
3050 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
3051 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
3052 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
3053 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
3054 mov_write_string_metadata(s, pb_buf, "\251ART", "artist", 0);
3055 mov_write_string_metadata(s, pb_buf, "\251nam", "title", 0);
3056 mov_write_string_metadata(s, pb_buf, "\251aut", "author", 0);
3057 mov_write_string_metadata(s, pb_buf, "\251alb", "album", 0);
3058 mov_write_string_metadata(s, pb_buf, "\251day", "date", 0);
3059 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder", 0);
3060 // currently ignored by mov.c
3061 mov_write_string_metadata(s, pb_buf, "\251des", "comment", 0);
3062 // add support for libquicktime, this atom is also actually read by mov.c
3063 mov_write_string_metadata(s, pb_buf, "\251cmt", "comment", 0);
3064 mov_write_string_metadata(s, pb_buf, "\251gen", "genre", 0);
3065 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright", 0);
3066 mov_write_raw_metadata_tag(s, pb_buf, "XMP_", "xmp");
3068 /* iTunes meta data */
3069 mov_write_meta_tag(pb_buf, mov, s);
3072 if (s->nb_chapters && !(mov->flags & FF_MOV_FLAG_DISABLE_CHPL))
3073 mov_write_chpl_tag(pb_buf, s);
3075 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
3076 avio_wb32(pb, size + 8);
3077 ffio_wfourcc(pb, "udta");
3078 avio_write(pb, buf, size);
3085 static void mov_write_psp_udta_tag(AVIOContext *pb,
3086 const char *str, const char *lang, int type)
3088 int len = utf8len(str) + 1;
3091 avio_wb16(pb, len * 2 + 10); /* size */
3092 avio_wb32(pb, type); /* type */
3093 avio_wb16(pb, language_code(lang)); /* language */
3094 avio_wb16(pb, 0x01); /* ? */
3095 ascii_to_wc(pb, str);
3098 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
3100 MOVMuxContext *mov = s->priv_data;
3101 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
3105 pos = avio_tell(pb);
3106 avio_wb32(pb, 0); /* size placeholder*/
3107 ffio_wfourcc(pb, "uuid");
3108 ffio_wfourcc(pb, "USMT");
3109 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
3110 avio_wb32(pb, 0xbb88695c);
3111 avio_wb32(pb, 0xfac9c740);
3113 pos2 = avio_tell(pb);
3114 avio_wb32(pb, 0); /* size placeholder*/
3115 ffio_wfourcc(pb, "MTDT");
3119 avio_wb16(pb, 0x0C); /* size */
3120 avio_wb32(pb, 0x0B); /* type */
3121 avio_wb16(pb, language_code("und")); /* language */
3122 avio_wb16(pb, 0x0); /* ? */
3123 avio_wb16(pb, 0x021C); /* data */
3126 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
3127 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
3128 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
3130 update_size(pb, pos2);
3131 return update_size(pb, pos);
3137 static void build_chunks(MOVTrack *trk)
3140 MOVIentry *chunk = &trk->cluster[0];
3141 uint64_t chunkSize = chunk->size;
3142 chunk->chunkNum = 1;
3143 if (trk->chunkCount)
3145 trk->chunkCount = 1;
3146 for (i = 1; i<trk->entry; i++){
3147 if (chunk->pos + chunkSize == trk->cluster[i].pos &&
3148 chunkSize + trk->cluster[i].size < (1<<20)){
3149 chunkSize += trk->cluster[i].size;
3150 chunk->samples_in_chunk += trk->cluster[i].entries;
3152 trk->cluster[i].chunkNum = chunk->chunkNum+1;
3153 chunk=&trk->cluster[i];
3154 chunkSize = chunk->size;
3160 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
3164 int64_t pos = avio_tell(pb);
3165 avio_wb32(pb, 0); /* size placeholder*/
3166 ffio_wfourcc(pb, "moov");
3168 for (i = 0; i < mov->nb_streams; i++) {
3169 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
3172 mov->tracks[i].time = mov->time;
3173 mov->tracks[i].track_id = i + 1;
3175 if (mov->tracks[i].entry)
3176 build_chunks(&mov->tracks[i]);
3179 if (mov->chapter_track)
3180 for (i = 0; i < s->nb_streams; i++) {
3181 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
3182 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
3184 for (i = 0; i < mov->nb_streams; i++) {
3185 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
3186 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
3187 mov->tracks[i].tref_id =
3188 mov->tracks[mov->tracks[i].src_track].track_id;
3191 for (i = 0; i < mov->nb_streams; i++) {
3192 if (mov->tracks[i].tag == MKTAG('t','m','c','d')) {
3193 int src_trk = mov->tracks[i].src_track;
3194 mov->tracks[src_trk].tref_tag = mov->tracks[i].tag;
3195 mov->tracks[src_trk].tref_id = mov->tracks[i].track_id;
3196 //src_trk may have a different timescale than the tmcd track
3197 mov->tracks[i].track_duration = av_rescale(mov->tracks[src_trk].track_duration,
3198 mov->tracks[i].timescale,
3199 mov->tracks[src_trk].timescale);
3203 mov_write_mvhd_tag(pb, mov);
3204 if (mov->mode != MODE_MOV && !mov->iods_skip)
3205 mov_write_iods_tag(pb, mov);
3206 for (i = 0; i < mov->nb_streams; i++) {
3207 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
3208 int ret = mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
3213 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
3214 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
3216 if (mov->mode == MODE_PSP)
3217 mov_write_uuidusmt_tag(pb, s);
3219 mov_write_udta_tag(pb, mov, s);
3221 return update_size(pb, pos);
3224 static void param_write_int(AVIOContext *pb, const char *name, int value)
3226 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
3229 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
3231 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
3234 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
3237 len = FFMIN(sizeof(buf) / 2 - 1, len);
3238 ff_data_to_hex(buf, value, len, 0);
3239 buf[2 * len] = '\0';
3240 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
3243 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov)
3245 int64_t pos = avio_tell(pb);
3247 static const uint8_t uuid[] = {
3248 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
3249 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
3253 ffio_wfourcc(pb, "uuid");
3254 avio_write(pb, uuid, sizeof(uuid));
3257 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
3258 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
3259 avio_printf(pb, "<head>\n");
3261 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
3263 avio_printf(pb, "</head>\n");
3264 avio_printf(pb, "<body>\n");
3265 avio_printf(pb, "<switch>\n");
3266 for (i = 0; i < mov->nb_streams; i++) {
3267 MOVTrack *track = &mov->tracks[i];
3269 /* track->track_id is initialized in write_moov, and thus isn't known
3271 int track_id = i + 1;
3273 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
3275 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
3280 avio_printf(pb, "<%s systemBitrate=\"%d\">\n", type,
3281 track->enc->bit_rate);
3282 param_write_int(pb, "systemBitrate", track->enc->bit_rate);
3283 param_write_int(pb, "trackID", track_id);
3284 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
3285 if (track->enc->codec_id == AV_CODEC_ID_H264) {
3287 int size = track->enc->extradata_size;
3288 if (!ff_avc_write_annexb_extradata(track->enc->extradata, &ptr,
3290 param_write_hex(pb, "CodecPrivateData",
3291 ptr ? ptr : track->enc->extradata,
3295 param_write_string(pb, "FourCC", "H264");
3296 } else if (track->enc->codec_id == AV_CODEC_ID_VC1) {
3297 param_write_string(pb, "FourCC", "WVC1");
3298 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
3299 track->enc->extradata_size);
3301 param_write_int(pb, "MaxWidth", track->enc->width);
3302 param_write_int(pb, "MaxHeight", track->enc->height);
3303 param_write_int(pb, "DisplayWidth", track->enc->width);
3304 param_write_int(pb, "DisplayHeight", track->enc->height);
3306 if (track->enc->codec_id == AV_CODEC_ID_AAC) {
3307 param_write_string(pb, "FourCC", "AACL");
3308 } else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO) {
3309 param_write_string(pb, "FourCC", "WMAP");
3311 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
3312 track->enc->extradata_size);
3313 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
3314 track->enc->codec_id));
3315 param_write_int(pb, "Channels", track->enc->channels);
3316 param_write_int(pb, "SamplingRate", track->enc->sample_rate);
3317 param_write_int(pb, "BitsPerSample", 16);
3318 param_write_int(pb, "PacketSize", track->enc->block_align ?
3319 track->enc->block_align : 4);
3321 avio_printf(pb, "</%s>\n", type);
3323 avio_printf(pb, "</switch>\n");
3324 avio_printf(pb, "</body>\n");
3325 avio_printf(pb, "</smil>\n");
3327 return update_size(pb, pos);
3330 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
3333 ffio_wfourcc(pb, "mfhd");
3335 avio_wb32(pb, mov->fragments);
3339 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
3341 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
3342 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
3345 static int mov_write_tfhd_tag(AVIOContext *pb, MOVMuxContext *mov,
3346 MOVTrack *track, int64_t moof_offset)
3348 int64_t pos = avio_tell(pb);
3349 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
3350 MOV_TFHD_BASE_DATA_OFFSET;
3351 if (!track->entry) {
3352 flags |= MOV_TFHD_DURATION_IS_EMPTY;
3354 flags |= MOV_TFHD_DEFAULT_FLAGS;
3356 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET)
3357 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
3358 if (mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) {
3359 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
3360 flags |= MOV_TFHD_DEFAULT_BASE_IS_MOOF;
3363 /* Don't set a default sample size, the silverlight player refuses
3364 * to play files with that set. Don't set a default sample duration,
3365 * WMP freaks out if it is set. Don't set a base data offset, PIFF
3366 * file format says it MUST NOT be set. */
3367 if (track->mode == MODE_ISM)
3368 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
3369 MOV_TFHD_BASE_DATA_OFFSET);
3371 avio_wb32(pb, 0); /* size placeholder */
3372 ffio_wfourcc(pb, "tfhd");
3373 avio_w8(pb, 0); /* version */
3374 avio_wb24(pb, flags);
3376 avio_wb32(pb, track->track_id); /* track-id */
3377 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
3378 avio_wb64(pb, moof_offset);
3379 if (flags & MOV_TFHD_DEFAULT_DURATION) {
3380 track->default_duration = get_cluster_duration(track, 0);
3381 avio_wb32(pb, track->default_duration);
3383 if (flags & MOV_TFHD_DEFAULT_SIZE) {
3384 track->default_size = track->entry ? track->cluster[0].size : 1;
3385 avio_wb32(pb, track->default_size);
3387 track->default_size = -1;
3389 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
3390 /* Set the default flags based on the second sample, if available.
3391 * If the first sample is different, that can be signaled via a separate field. */
3392 if (track->entry > 1)
3393 track->default_sample_flags = get_sample_flags(track, &track->cluster[1]);
3395 track->default_sample_flags =
3396 track->enc->codec_type == AVMEDIA_TYPE_VIDEO ?
3397 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
3398 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
3399 avio_wb32(pb, track->default_sample_flags);
3402 return update_size(pb, pos);
3405 static int mov_write_trun_tag(AVIOContext *pb, MOVMuxContext *mov,
3406 MOVTrack *track, int moof_size,
3409 int64_t pos = avio_tell(pb);
3410 uint32_t flags = MOV_TRUN_DATA_OFFSET;
3413 for (i = first; i < end; i++) {
3414 if (get_cluster_duration(track, i) != track->default_duration)
3415 flags |= MOV_TRUN_SAMPLE_DURATION;
3416 if (track->cluster[i].size != track->default_size)
3417 flags |= MOV_TRUN_SAMPLE_SIZE;
3418 if (i > first && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
3419 flags |= MOV_TRUN_SAMPLE_FLAGS;
3421 if (!(flags & MOV_TRUN_SAMPLE_FLAGS) && track->entry > 0 &&
3422 get_sample_flags(track, &track->cluster[0]) != track->default_sample_flags)
3423 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
3424 if (track->flags & MOV_TRACK_CTTS)
3425 flags |= MOV_TRUN_SAMPLE_CTS;
3427 avio_wb32(pb, 0); /* size placeholder */
3428 ffio_wfourcc(pb, "trun");
3429 avio_w8(pb, 0); /* version */
3430 avio_wb24(pb, flags);
3432 avio_wb32(pb, end - first); /* sample count */
3433 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
3434 !(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) &&
3436 avio_wb32(pb, 0); /* Later tracks follow immediately after the previous one */
3438 avio_wb32(pb, moof_size + 8 + track->data_offset +
3439 track->cluster[first].pos); /* data offset */
3440 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
3441 avio_wb32(pb, get_sample_flags(track, &track->cluster[first]));
3443 for (i = first; i < end; i++) {
3444 if (flags & MOV_TRUN_SAMPLE_DURATION)
3445 avio_wb32(pb, get_cluster_duration(track, i));
3446 if (flags & MOV_TRUN_SAMPLE_SIZE)
3447 avio_wb32(pb, track->cluster[i].size);
3448 if (flags & MOV_TRUN_SAMPLE_FLAGS)
3449 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
3450 if (flags & MOV_TRUN_SAMPLE_CTS)
3451 avio_wb32(pb, track->cluster[i].cts);
3454 mov->first_trun = 0;
3455 return update_size(pb, pos);
3458 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
3460 int64_t pos = avio_tell(pb);
3461 static const uint8_t uuid[] = {
3462 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
3463 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
3466 avio_wb32(pb, 0); /* size placeholder */
3467 ffio_wfourcc(pb, "uuid");
3468 avio_write(pb, uuid, sizeof(uuid));
3471 avio_wb64(pb, track->frag_start);
3472 avio_wb64(pb, track->start_dts + track->track_duration -
3473 track->cluster[0].dts);
3475 return update_size(pb, pos);
3478 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
3479 MOVTrack *track, int entry)
3481 int n = track->nb_frag_info - 1 - entry, i;
3482 int size = 8 + 16 + 4 + 1 + 16*n;
3483 static const uint8_t uuid[] = {
3484 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
3485 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
3491 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
3492 avio_wb32(pb, size);
3493 ffio_wfourcc(pb, "uuid");
3494 avio_write(pb, uuid, sizeof(uuid));
3498 for (i = 0; i < n; i++) {
3499 int index = entry + 1 + i;
3500 avio_wb64(pb, track->frag_info[index].time);
3501 avio_wb64(pb, track->frag_info[index].duration);
3503 if (n < mov->ism_lookahead) {
3504 int free_size = 16 * (mov->ism_lookahead - n);
3505 avio_wb32(pb, free_size);
3506 ffio_wfourcc(pb, "free");
3507 ffio_fill(pb, 0, free_size - 8);
3513 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
3516 int64_t pos = avio_tell(pb);
3518 for (i = 0; i < mov->ism_lookahead; i++) {
3519 /* Update the tfrf tag for the last ism_lookahead fragments,
3520 * nb_frag_info - 1 is the next fragment to be written. */
3521 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
3523 avio_seek(pb, pos, SEEK_SET);
3527 static int mov_add_tfra_entries(AVIOContext *pb, MOVMuxContext *mov, int tracks,
3531 for (i = 0; i < mov->nb_streams; i++) {
3532 MOVTrack *track = &mov->tracks[i];
3533 MOVFragmentInfo *info;
3534 if ((tracks >= 0 && i != tracks) || !track->entry)
3536 track->nb_frag_info++;
3537 if (track->nb_frag_info >= track->frag_info_capacity) {
3538 unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT;
3539 if (av_reallocp_array(&track->frag_info,
3541 sizeof(*track->frag_info)))
3542 return AVERROR(ENOMEM);
3543 track->frag_info_capacity = new_capacity;
3545 info = &track->frag_info[track->nb_frag_info - 1];
3546 info->offset = avio_tell(pb);
3548 // Try to recreate the original pts for the first packet
3549 // from the fields we have stored
3550 info->time = track->start_dts + track->frag_start +
3551 track->cluster[0].cts;
3552 // If the pts is less than zero, we will have trimmed
3553 // away parts of the media track using an edit list,
3554 // and the corresponding start presentation time is zero.
3557 info->duration = track->start_dts + track->track_duration -
3558 track->cluster[0].dts;
3559 info->tfrf_offset = 0;
3560 mov_write_tfrf_tags(pb, mov, track);
3565 static int mov_write_tfdt_tag(AVIOContext *pb, MOVTrack *track)
3567 int64_t pos = avio_tell(pb);
3569 avio_wb32(pb, 0); /* size */
3570 ffio_wfourcc(pb, "tfdt");
3571 avio_w8(pb, 1); /* version */
3573 avio_wb64(pb, track->frag_start);
3574 return update_size(pb, pos);
3577 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
3578 MOVTrack *track, int64_t moof_offset,
3581 int64_t pos = avio_tell(pb);
3583 avio_wb32(pb, 0); /* size placeholder */
3584 ffio_wfourcc(pb, "traf");
3586 mov_write_tfhd_tag(pb, mov, track, moof_offset);
3587 if (mov->mode != MODE_ISM)
3588 mov_write_tfdt_tag(pb, track);
3589 for (i = 1; i < track->entry; i++) {
3590 if (track->cluster[i].pos != track->cluster[i - 1].pos + track->cluster[i - 1].size) {
3591 mov_write_trun_tag(pb, mov, track, moof_size, start, i);
3595 mov_write_trun_tag(pb, mov, track, moof_size, start, track->entry);
3596 if (mov->mode == MODE_ISM) {
3597 mov_write_tfxd_tag(pb, track);
3599 if (mov->ism_lookahead) {
3600 int i, size = 16 + 4 + 1 + 16 * mov->ism_lookahead;
3602 if (track->nb_frag_info > 0) {
3603 MOVFragmentInfo *info = &track->frag_info[track->nb_frag_info - 1];
3604 if (!info->tfrf_offset)
3605 info->tfrf_offset = avio_tell(pb);
3607 avio_wb32(pb, 8 + size);
3608 ffio_wfourcc(pb, "free");
3609 for (i = 0; i < size; i++)
3614 return update_size(pb, pos);
3617 static int mov_write_moof_tag_internal(AVIOContext *pb, MOVMuxContext *mov,
3618 int tracks, int moof_size)
3620 int64_t pos = avio_tell(pb);
3623 avio_wb32(pb, 0); /* size placeholder */
3624 ffio_wfourcc(pb, "moof");
3625 mov->first_trun = 1;
3627 mov_write_mfhd_tag(pb, mov);
3628 for (i = 0; i < mov->nb_streams; i++) {
3629 MOVTrack *track = &mov->tracks[i];
3630 if (tracks >= 0 && i != tracks)
3634 mov_write_traf_tag(pb, mov, track, pos, moof_size);
3637 return update_size(pb, pos);
3640 static int mov_write_sidx_tag(AVIOContext *pb,
3641 MOVTrack *track, int ref_size, int total_sidx_size)
3643 int64_t pos = avio_tell(pb), offset_pos, end_pos;
3644 int64_t presentation_time, duration, offset;
3645 int starts_with_SAP, i, entries;
3649 presentation_time = track->start_dts + track->frag_start +
3650 track->cluster[0].cts;
3651 duration = track->start_dts + track->track_duration -
3652 track->cluster[0].dts;
3653 starts_with_SAP = track->cluster[0].flags & MOV_SYNC_SAMPLE;
3655 entries = track->nb_frag_info;
3656 presentation_time = track->frag_info[0].time;
3659 // pts<0 should be cut away using edts
3660 if (presentation_time < 0)
3661 presentation_time = 0;
3663 avio_wb32(pb, 0); /* size */
3664 ffio_wfourcc(pb, "sidx");
3665 avio_w8(pb, 1); /* version */
3667 avio_wb32(pb, track->track_id); /* reference_ID */
3668 avio_wb32(pb, track->timescale); /* timescale */
3669 avio_wb64(pb, presentation_time); /* earliest_presentation_time */
3670 offset_pos = avio_tell(pb);
3671 avio_wb64(pb, 0); /* first_offset (offset to referenced moof) */
3672 avio_wb16(pb, 0); /* reserved */
3674 avio_wb16(pb, entries); /* reference_count */
3675 for (i = 0; i < entries; i++) {
3676 if (!track->entry) {
3677 if (i > 1 && track->frag_info[i].offset != track->frag_info[i - 1].offset + track->frag_info[i - 1].size) {
3678 av_log(NULL, AV_LOG_ERROR, "Non-consecutive fragments, writing incorrect sidx\n");
3680 duration = track->frag_info[i].duration;
3681 ref_size = track->frag_info[i].size;
3682 starts_with_SAP = 1;
3684 avio_wb32(pb, (0 << 31) | (ref_size & 0x7fffffff)); /* reference_type (0 = media) | referenced_size */
3685 avio_wb32(pb, duration); /* subsegment_duration */
3686 avio_wb32(pb, (starts_with_SAP << 31) | (0 << 28) | 0); /* starts_with_SAP | SAP_type | SAP_delta_time */
3689 end_pos = avio_tell(pb);
3690 offset = pos + total_sidx_size - end_pos;
3691 avio_seek(pb, offset_pos, SEEK_SET);
3692 avio_wb64(pb, offset);
3693 avio_seek(pb, end_pos, SEEK_SET);
3694 return update_size(pb, pos);
3697 static int mov_write_sidx_tags(AVIOContext *pb, MOVMuxContext *mov,
3698 int tracks, int ref_size)
3701 AVIOContext *avio_buf;
3703 for (round = 0; round < 2; round++) {
3704 // First run one round to calculate the total size of all
3706 // This would be much simpler if we'd only write one sidx
3707 // atom, for the first track in the moof.
3709 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
3714 for (i = 0; i < mov->nb_streams; i++) {
3715 MOVTrack *track = &mov->tracks[i];
3716 if (tracks >= 0 && i != tracks)
3718 // When writing a sidx for the full file, entry is 0, but
3719 // we want to include all tracks. ref_size is 0 in this case,
3720 // since we read it from frag_info instead.
3721 if (!track->entry && ref_size > 0)
3723 total_size -= mov_write_sidx_tag(avio_buf, track, ref_size,
3727 total_size = ffio_close_null_buf(avio_buf);
3732 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks,
3735 AVIOContext *avio_buf;
3738 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
3740 mov_write_moof_tag_internal(avio_buf, mov, tracks, 0);
3741 moof_size = ffio_close_null_buf(avio_buf);
3743 if (mov->flags & FF_MOV_FLAG_DASH && !(mov->flags & FF_MOV_FLAG_FASTSTART))
3744 mov_write_sidx_tags(pb, mov, tracks, moof_size + 8 + mdat_size);
3746 if ((ret = mov_add_tfra_entries(pb, mov, tracks, moof_size + 8 + mdat_size)) < 0)
3749 return mov_write_moof_tag_internal(pb, mov, tracks, moof_size);
3752 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
3754 int64_t pos = avio_tell(pb);
3757 avio_wb32(pb, 0); /* size placeholder */
3758 ffio_wfourcc(pb, "tfra");
3759 avio_w8(pb, 1); /* version */
3762 avio_wb32(pb, track->track_id);
3763 avio_wb32(pb, 0); /* length of traf/trun/sample num */
3764 avio_wb32(pb, track->nb_frag_info);
3765 for (i = 0; i < track->nb_frag_info; i++) {
3766 avio_wb64(pb, track->frag_info[i].time);
3767 avio_wb64(pb, track->frag_info[i].offset + track->data_offset);
3768 avio_w8(pb, 1); /* traf number */
3769 avio_w8(pb, 1); /* trun number */
3770 avio_w8(pb, 1); /* sample number */
3773 return update_size(pb, pos);
3776 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
3778 int64_t pos = avio_tell(pb);
3781 avio_wb32(pb, 0); /* size placeholder */
3782 ffio_wfourcc(pb, "mfra");
3783 /* An empty mfra atom is enough to indicate to the publishing point that
3784 * the stream has ended. */
3785 if (mov->flags & FF_MOV_FLAG_ISML)
3786 return update_size(pb, pos);
3788 for (i = 0; i < mov->nb_streams; i++) {
3789 MOVTrack *track = &mov->tracks[i];
3790 if (track->nb_frag_info)
3791 mov_write_tfra_tag(pb, track);
3795 ffio_wfourcc(pb, "mfro");
3796 avio_wb32(pb, 0); /* version + flags */
3797 avio_wb32(pb, avio_tell(pb) + 4 - pos);
3799 return update_size(pb, pos);
3802 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
3804 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
3805 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
3807 mov->mdat_pos = avio_tell(pb);
3808 avio_wb32(pb, 0); /* size placeholder*/
3809 ffio_wfourcc(pb, "mdat");
3813 /* TODO: This needs to be more general */
3814 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
3816 MOVMuxContext *mov = s->priv_data;
3817 int64_t pos = avio_tell(pb);
3818 int has_h264 = 0, has_video = 0;
3822 for (i = 0; i < s->nb_streams; i++) {
3823 AVStream *st = s->streams[i];
3824 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
3826 if (st->codec->codec_id == AV_CODEC_ID_H264)
3830 avio_wb32(pb, 0); /* size */
3831 ffio_wfourcc(pb, "ftyp");
3833 if (mov->major_brand && strlen(mov->major_brand) >= 4)
3834 ffio_wfourcc(pb, mov->major_brand);
3835 else if (mov->mode == MODE_3GP) {
3836 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
3837 minor = has_h264 ? 0x100 : 0x200;
3838 } else if (mov->mode & MODE_3G2) {
3839 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
3840 minor = has_h264 ? 0x20000 : 0x10000;
3841 } else if (mov->mode == MODE_PSP)
3842 ffio_wfourcc(pb, "MSNV");
3843 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
3844 ffio_wfourcc(pb, "iso5"); // Required when using default-base-is-moof
3845 else if (mov->mode == MODE_MP4)
3846 ffio_wfourcc(pb, "isom");
3847 else if (mov->mode == MODE_IPOD)
3848 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
3849 else if (mov->mode == MODE_ISM)
3850 ffio_wfourcc(pb, "isml");
3851 else if (mov->mode == MODE_F4V)
3852 ffio_wfourcc(pb, "f4v ");
3854 ffio_wfourcc(pb, "qt ");
3856 avio_wb32(pb, minor);
3858 if (mov->mode == MODE_MOV)
3859 ffio_wfourcc(pb, "qt ");
3860 else if (mov->mode == MODE_ISM) {
3861 ffio_wfourcc(pb, "piff");
3862 } else if (!(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)) {
3863 ffio_wfourcc(pb, "isom");
3864 ffio_wfourcc(pb, "iso2");
3866 ffio_wfourcc(pb, "avc1");
3869 // We add tfdt atoms when fragmenting, signal this with the iso6 compatible
3870 // brand. This is compatible with users that don't understand tfdt.
3871 if (mov->flags & FF_MOV_FLAG_FRAGMENT && mov->mode != MODE_ISM)
3872 ffio_wfourcc(pb, "iso6");
3874 if (mov->mode == MODE_3GP)
3875 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
3876 else if (mov->mode & MODE_3G2)
3877 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
3878 else if (mov->mode == MODE_PSP)
3879 ffio_wfourcc(pb, "MSNV");
3880 else if (mov->mode == MODE_MP4)
3881 ffio_wfourcc(pb, "mp41");
3883 if (mov->flags & FF_MOV_FLAG_DASH && mov->flags & FF_MOV_FLAG_FASTSTART)
3884 ffio_wfourcc(pb, "dash");
3886 return update_size(pb, pos);
3889 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
3891 AVStream *video_st = s->streams[0];
3892 AVCodecContext *video_codec = s->streams[0]->codec;
3893 AVCodecContext *audio_codec = s->streams[1]->codec;
3894 int audio_rate = audio_codec->sample_rate;
3895 // TODO: should be avg_frame_rate
3896 int frame_rate = ((video_st->time_base.den) * (0x10000)) / (video_st->time_base.num);
3897 int audio_kbitrate = audio_codec->bit_rate / 1000;
3898 int video_kbitrate = FFMIN(video_codec->bit_rate / 1000, 800 - audio_kbitrate);
3900 avio_wb32(pb, 0x94); /* size */
3901 ffio_wfourcc(pb, "uuid");
3902 ffio_wfourcc(pb, "PROF");
3904 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
3905 avio_wb32(pb, 0xbb88695c);
3906 avio_wb32(pb, 0xfac9c740);
3908 avio_wb32(pb, 0x0); /* ? */
3909 avio_wb32(pb, 0x3); /* 3 sections ? */
3911 avio_wb32(pb, 0x14); /* size */
3912 ffio_wfourcc(pb, "FPRF");
3913 avio_wb32(pb, 0x0); /* ? */
3914 avio_wb32(pb, 0x0); /* ? */
3915 avio_wb32(pb, 0x0); /* ? */
3917 avio_wb32(pb, 0x2c); /* size */
3918 ffio_wfourcc(pb, "APRF"); /* audio */
3920 avio_wb32(pb, 0x2); /* TrackID */
3921 ffio_wfourcc(pb, "mp4a");
3922 avio_wb32(pb, 0x20f);
3924 avio_wb32(pb, audio_kbitrate);
3925 avio_wb32(pb, audio_kbitrate);
3926 avio_wb32(pb, audio_rate);
3927 avio_wb32(pb, audio_codec->channels);
3929 avio_wb32(pb, 0x34); /* size */
3930 ffio_wfourcc(pb, "VPRF"); /* video */
3932 avio_wb32(pb, 0x1); /* TrackID */
3933 if (video_codec->codec_id == AV_CODEC_ID_H264) {
3934 ffio_wfourcc(pb, "avc1");
3935 avio_wb16(pb, 0x014D);
3936 avio_wb16(pb, 0x0015);
3938 ffio_wfourcc(pb, "mp4v");
3939 avio_wb16(pb, 0x0000);
3940 avio_wb16(pb, 0x0103);
3943 avio_wb32(pb, video_kbitrate);
3944 avio_wb32(pb, video_kbitrate);
3945 avio_wb32(pb, frame_rate);
3946 avio_wb32(pb, frame_rate);
3947 avio_wb16(pb, video_codec->width);
3948 avio_wb16(pb, video_codec->height);
3949 avio_wb32(pb, 0x010001); /* ? */
3952 static int mov_write_identification(AVIOContext *pb, AVFormatContext *s)
3954 MOVMuxContext *mov = s->priv_data;
3957 mov_write_ftyp_tag(pb,s);
3958 if (mov->mode == MODE_PSP) {
3959 int video_streams_nb = 0, audio_streams_nb = 0, other_streams_nb = 0;
3960 for (i = 0; i < s->nb_streams; i++) {
3961 AVStream *st = s->streams[i];
3962 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
3964 else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
3970 if (video_streams_nb != 1 || audio_streams_nb != 1 || other_streams_nb) {
3971 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
3972 return AVERROR(EINVAL);
3974 mov_write_uuidprof_tag(pb, s);
3979 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
3982 int i, closed_gop = 0;
3984 for (i = 0; i < pkt->size - 4; i++) {
3985 c = (c << 8) + pkt->data[i];
3986 if (c == 0x1b8) { // gop
3987 closed_gop = pkt->data[i + 4] >> 6 & 0x01;
3988 } else if (c == 0x100) { // pic
3989 int temp_ref = (pkt->data[i + 1] << 2) | (pkt->data[i + 2] >> 6);
3990 if (!temp_ref || closed_gop) // I picture is not reordered
3991 *flags = MOV_SYNC_SAMPLE;
3993 *flags = MOV_PARTIAL_SYNC_SAMPLE;
4000 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk)
4002 const uint8_t *start, *next, *end = pkt->data + pkt->size;
4003 int seq = 0, entry = 0;
4004 int key = pkt->flags & AV_PKT_FLAG_KEY;
4005 start = find_next_marker(pkt->data, end);
4006 for (next = start; next < end; start = next) {
4007 next = find_next_marker(start + 4, end);
4008 switch (AV_RB32(start)) {
4009 case VC1_CODE_SEQHDR:
4012 case VC1_CODE_ENTRYPOINT:
4015 case VC1_CODE_SLICE:
4016 trk->vc1_info.slices = 1;
4020 if (!trk->entry && trk->vc1_info.first_packet_seen)
4021 trk->vc1_info.first_frag_written = 1;
4022 if (!trk->entry && !trk->vc1_info.first_frag_written) {
4023 /* First packet in first fragment */
4024 trk->vc1_info.first_packet_seq = seq;
4025 trk->vc1_info.first_packet_entry = entry;
4026 trk->vc1_info.first_packet_seen = 1;
4027 } else if ((seq && !trk->vc1_info.packet_seq) ||
4028 (entry && !trk->vc1_info.packet_entry)) {
4030 for (i = 0; i < trk->entry; i++)
4031 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
4032 trk->has_keyframes = 0;
4034 trk->vc1_info.packet_seq = 1;
4036 trk->vc1_info.packet_entry = 1;
4037 if (!trk->vc1_info.first_frag_written) {
4038 /* First fragment */
4039 if ((!seq || trk->vc1_info.first_packet_seq) &&
4040 (!entry || trk->vc1_info.first_packet_entry)) {
4041 /* First packet had the same headers as this one, readd the
4042 * sync sample flag. */
4043 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
4044 trk->has_keyframes = 1;
4048 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
4050 else if (trk->vc1_info.packet_seq)
4052 else if (trk->vc1_info.packet_entry)
4055 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
4056 trk->has_keyframes++;
4060 static int mov_flush_fragment_interleaving(AVFormatContext *s, MOVTrack *track)
4062 MOVMuxContext *mov = s->priv_data;
4067 if (!track->mdat_buf)
4069 if (!mov->mdat_buf) {
4070 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
4073 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
4074 track->mdat_buf = NULL;
4076 offset = avio_tell(mov->mdat_buf);
4077 avio_write(mov->mdat_buf, buf, buf_size);
4080 for (i = track->entries_flushed; i < track->entry; i++)
4081 track->cluster[i].pos += offset;
4082 track->entries_flushed = track->entry;
4086 static int mov_flush_fragment(AVFormatContext *s)
4088 MOVMuxContext *mov = s->priv_data;
4089 int i, first_track = -1;
4090 int64_t mdat_size = 0;
4093 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
4096 if (!mov->moov_written) {
4097 int64_t pos = avio_tell(s->pb);
4099 int buf_size, moov_size;
4101 for (i = 0; i < mov->nb_streams; i++)
4102 if (!mov->tracks[i].entry)
4104 /* Don't write the initial moov unless all tracks have data */
4105 if (i < mov->nb_streams)
4108 moov_size = get_moov_size(s);
4109 for (i = 0; i < mov->nb_streams; i++)
4110 mov->tracks[i].data_offset = pos + moov_size + 8;
4112 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
4113 mov_write_identification(s->pb, s);
4114 if ((ret = mov_write_moov_tag(s->pb, mov, s)) < 0)
4117 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV) {
4118 if (mov->flags & FF_MOV_FLAG_FASTSTART)
4119 mov->reserved_moov_pos = avio_tell(s->pb);
4121 mov->moov_written = 1;
4125 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
4126 mov->mdat_buf = NULL;
4127 avio_wb32(s->pb, buf_size + 8);
4128 ffio_wfourcc(s->pb, "mdat");
4129 avio_write(s->pb, buf, buf_size);
4132 mov->moov_written = 1;
4134 for (i = 0; i < mov->nb_streams; i++) {
4135 if (mov->tracks[i].entry)
4136 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
4137 mov->tracks[i].track_duration -
4138 mov->tracks[i].cluster[0].dts;
4139 mov->tracks[i].entry = 0;
4145 if (mov->frag_interleave) {
4146 for (i = 0; i < mov->nb_streams; i++) {
4147 MOVTrack *track = &mov->tracks[i];
4149 if ((ret = mov_flush_fragment_interleaving(s, track)) < 0)
4155 mdat_size = avio_tell(mov->mdat_buf);
4158 for (i = 0; i < mov->nb_streams; i++) {
4159 MOVTrack *track = &mov->tracks[i];
4160 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF || mov->frag_interleave)
4161 track->data_offset = 0;
4163 track->data_offset = mdat_size;
4166 if (track->mdat_buf)
4167 mdat_size += avio_tell(track->mdat_buf);
4168 if (first_track < 0)
4175 for (i = 0; i < mov->nb_streams; i++) {
4176 MOVTrack *track = &mov->tracks[i];
4177 int buf_size, write_moof = 1, moof_tracks = -1;
4179 int64_t duration = 0;
4182 duration = track->start_dts + track->track_duration -
4183 track->cluster[0].dts;
4184 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
4185 if (!track->mdat_buf)
4187 mdat_size = avio_tell(track->mdat_buf);
4190 write_moof = i == first_track;
4196 mov_write_moof_tag(s->pb, mov, moof_tracks, mdat_size);
4199 avio_wb32(s->pb, mdat_size + 8);
4200 ffio_wfourcc(s->pb, "mdat");
4204 track->frag_start += duration;
4206 track->entries_flushed = 0;
4207 if (!mov->frag_interleave) {
4208 if (!track->mdat_buf)
4210 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
4211 track->mdat_buf = NULL;
4215 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
4216 mov->mdat_buf = NULL;
4219 avio_write(s->pb, buf, buf_size);
4229 static int mov_auto_flush_fragment(AVFormatContext *s)
4231 MOVMuxContext *mov = s->priv_data;
4232 int had_moov = mov->moov_written;
4233 int ret = mov_flush_fragment(s);
4236 // If using delay_moov, the first flush only wrote the moov,
4237 // not the actual moof+mdat pair, thus flush once again.
4238 if (!had_moov && mov->flags & FF_MOV_FLAG_DELAY_MOOV)
4239 ret = mov_flush_fragment(s);
4243 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
4245 MOVMuxContext *mov = s->priv_data;
4246 AVIOContext *pb = s->pb;
4247 MOVTrack *trk = &mov->tracks[pkt->stream_index];
4248 AVCodecContext *enc = trk->enc;
4249 unsigned int samples_in_chunk = 0;
4250 int size = pkt->size, ret = 0;
4251 uint8_t *reformatted_data = NULL;
4254 int64_t duration = pkt->dts - trk->cluster[trk->entry - 1].dts;
4255 if (duration < 0 || duration > INT_MAX) {
4256 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" / timestamp: %"PRId64" is out of range for mov/mp4 format\n",
4260 pkt->dts = trk->cluster[trk->entry - 1].dts + 1;
4261 pkt->pts = AV_NOPTS_VALUE;
4263 if (pkt->duration < 0) {
4264 av_log(s, AV_LOG_ERROR, "Application provided duration: %d is invalid\n", pkt->duration);
4265 return AVERROR(EINVAL);
4268 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
4270 if (mov->moov_written || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
4271 if (mov->frag_interleave && mov->fragments > 0) {
4272 if (trk->entry - trk->entries_flushed >= mov->frag_interleave) {
4273 if ((ret = mov_flush_fragment_interleaving(s, trk)) < 0)
4278 if (!trk->mdat_buf) {
4279 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
4284 if (!mov->mdat_buf) {
4285 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
4292 if (enc->codec_id == AV_CODEC_ID_AMR_NB) {
4293 /* We must find out how many AMR blocks there are in one packet */
4294 static uint16_t packed_size[16] =
4295 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
4298 while (len < size && samples_in_chunk < 100) {
4299 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
4302 if (samples_in_chunk > 1) {
4303 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
4306 } else if (enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
4307 enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
4308 samples_in_chunk = enc->frame_size;
4309 } else if (trk->sample_size)
4310 samples_in_chunk = size / trk->sample_size;
4312 samples_in_chunk = 1;
4314 /* copy extradata if it exists */
4315 if (trk->vos_len == 0 && enc->extradata_size > 0 &&
4316 !TAG_IS_AVCI(trk->tag) &&
4317 (enc->codec_id != AV_CODEC_ID_DNXHD)) {
4318 trk->vos_len = enc->extradata_size;
4319 trk->vos_data = av_malloc(trk->vos_len);
4320 if (!trk->vos_data) {
4321 ret = AVERROR(ENOMEM);
4324 memcpy(trk->vos_data, enc->extradata, trk->vos_len);
4327 if (enc->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 &&
4328 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
4329 if (!s->streams[pkt->stream_index]->nb_frames) {
4330 av_log(s, AV_LOG_ERROR, "Malformed AAC bitstream detected: "
4331 "use the audio bitstream filter 'aac_adtstoasc' to fix it "
4332 "('-bsf:a aac_adtstoasc' option with ffmpeg)\n");
4335 av_log(s, AV_LOG_WARNING, "aac bitstream error\n");
4337 if (enc->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1 && !TAG_IS_AVCI(trk->tag)) {
4338 /* from x264 or from bytestream h264 */
4339 /* nal reformating needed */
4340 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
4341 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
4343 avio_write(pb, reformatted_data, size);
4345 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
4347 } else if (enc->codec_id == AV_CODEC_ID_HEVC && trk->vos_len > 6 &&
4348 (AV_RB24(trk->vos_data) == 1 || AV_RB32(trk->vos_data) == 1)) {
4349 /* extradata is Annex B, assume the bitstream is too and convert it */
4350 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
4351 ff_hevc_annexb2mp4_buf(pkt->data, &reformatted_data, &size, 0, NULL);
4352 avio_write(pb, reformatted_data, size);
4354 size = ff_hevc_annexb2mp4(pb, pkt->data, pkt->size, 0, NULL);
4356 #if CONFIG_AC3_PARSER
4357 } else if (enc->codec_id == AV_CODEC_ID_EAC3) {
4358 size = handle_eac3(mov, pkt, trk);
4363 avio_write(pb, pkt->data, size);
4366 avio_write(pb, pkt->data, size);
4369 if ((enc->codec_id == AV_CODEC_ID_DNXHD ||
4370 enc->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len) {
4371 /* copy frame to create needed atoms */
4372 trk->vos_len = size;
4373 trk->vos_data = av_malloc(size);
4374 if (!trk->vos_data) {
4375 ret = AVERROR(ENOMEM);
4378 memcpy(trk->vos_data, pkt->data, size);
4381 if (trk->entry >= trk->cluster_capacity) {
4382 unsigned new_capacity = 2 * (trk->entry + MOV_INDEX_CLUSTER_SIZE);
4383 if (av_reallocp_array(&trk->cluster, new_capacity,
4384 sizeof(*trk->cluster))) {
4385 ret = AVERROR(ENOMEM);
4388 trk->cluster_capacity = new_capacity;
4391 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
4392 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
4393 trk->cluster[trk->entry].chunkNum = 0;
4394 trk->cluster[trk->entry].size = size;
4395 trk->cluster[trk->entry].entries = samples_in_chunk;
4396 trk->cluster[trk->entry].dts = pkt->dts;
4397 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
4398 if (!trk->frag_discont) {
4399 /* First packet of a new fragment. We already wrote the duration
4400 * of the last packet of the previous fragment based on track_duration,
4401 * which might not exactly match our dts. Therefore adjust the dts
4402 * of this packet to be what the previous packets duration implies. */
4403 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
4404 /* We also may have written the pts and the corresponding duration
4405 * in sidx tags; make sure the sidx pts and duration match up with
4406 * the next fragment. This means the cts of the first sample must
4407 * be the same in all fragments. */
4408 pkt->pts = pkt->dts + trk->start_cts;
4410 /* New fragment, but discontinuous from previous fragments.
4411 * Pretend the duration sum of the earlier fragments is
4412 * pkt->dts - trk->start_dts. */
4413 trk->frag_start = pkt->dts - trk->start_dts;
4414 trk->frag_discont = 0;
4418 if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !mov->use_editlist &&
4419 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO) {
4420 /* Not using edit lists and shifting the first track to start from zero.
4421 * If the other streams start from a later timestamp, we won't be able
4422 * to signal the difference in starting time without an edit list.
4423 * Thus move the timestamp for this first sample to 0, increasing
4424 * its duration instead. */
4425 trk->cluster[trk->entry].dts = trk->start_dts = 0;
4427 if (trk->start_dts == AV_NOPTS_VALUE) {
4428 trk->start_dts = pkt->dts;
4429 if (trk->frag_discont) {
4430 /* Pretend the whole stream started at dts=0, with earlier fragments
4431 * already written, with a duration summing up to pkt->dts. */
4432 trk->frag_start = pkt->dts;
4434 trk->frag_discont = 0;
4435 } else if (pkt->dts && mov->moov_written)
4436 av_log(s, AV_LOG_WARNING,
4437 "Track %d starts with a nonzero dts %"PRId64", while the moov "
4438 "already has been written. Set the delay_moov flag to handle "
4440 pkt->stream_index, pkt->dts);
4442 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
4443 trk->last_sample_is_subtitle_end = 0;
4445 if (pkt->pts == AV_NOPTS_VALUE) {
4446 av_log(s, AV_LOG_WARNING, "pts has no value\n");
4447 pkt->pts = pkt->dts;
4449 if (pkt->dts != pkt->pts)
4450 trk->flags |= MOV_TRACK_CTTS;
4451 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
4452 trk->cluster[trk->entry].flags = 0;
4453 if (trk->start_cts == AV_NOPTS_VALUE)
4454 trk->start_cts = pkt->pts - pkt->dts;
4456 if (enc->codec_id == AV_CODEC_ID_VC1) {
4457 mov_parse_vc1_frame(pkt, trk);
4458 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
4459 if (mov->mode == MODE_MOV && enc->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
4460 trk->entry > 0) { // force sync sample for the first key frame
4461 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
4462 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
4463 trk->flags |= MOV_TRACK_STPS;
4465 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
4467 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
4468 trk->has_keyframes++;
4471 trk->sample_count += samples_in_chunk;
4472 mov->mdat_size += size;
4474 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
4475 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
4476 reformatted_data, size);
4481 av_free(reformatted_data);
4485 static int mov_write_single_packet(AVFormatContext *s, AVPacket *pkt)
4487 MOVMuxContext *mov = s->priv_data;
4488 MOVTrack *trk = &mov->tracks[pkt->stream_index];
4489 AVCodecContext *enc = trk->enc;
4490 int64_t frag_duration = 0;
4491 int size = pkt->size;
4494 return 0; /* Discard 0 sized packets */
4496 if (mov->flags & FF_MOV_FLAG_FRAG_DISCONT) {
4498 for (i = 0; i < s->nb_streams; i++)
4499 mov->tracks[i].frag_discont = 1;
4500 mov->flags &= ~FF_MOV_FLAG_FRAG_DISCONT;
4503 if (trk->entry && pkt->stream_index < s->nb_streams)
4504 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
4505 s->streams[pkt->stream_index]->time_base,
4507 if ((mov->max_fragment_duration &&
4508 frag_duration >= mov->max_fragment_duration) ||
4509 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
4510 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
4511 enc->codec_type == AVMEDIA_TYPE_VIDEO &&
4512 trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) {
4513 if (frag_duration >= mov->min_fragment_duration)
4514 mov_auto_flush_fragment(s);
4517 return ff_mov_write_packet(s, pkt);
4520 static int mov_write_subtitle_end_packet(AVFormatContext *s,
4524 uint8_t data[2] = {0};
4527 av_init_packet(&end);
4528 end.size = sizeof(data);
4533 end.stream_index = stream_index;
4535 ret = mov_write_single_packet(s, &end);
4536 av_free_packet(&end);
4541 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
4544 mov_flush_fragment(s);
4548 MOVMuxContext *mov = s->priv_data;
4550 if (!pkt->size) return 0; /* Discard 0 sized packets */
4553 * Subtitles require special handling.
4555 * 1) For full complaince, every track must have a sample at
4556 * dts == 0, which is rarely true for subtitles. So, as soon
4557 * as we see any packet with dts > 0, write an empty subtitle
4558 * at dts == 0 for any subtitle track with no samples in it.
4560 * 2) For each subtitle track, check if the current packet's
4561 * dts is past the duration of the last subtitle sample. If
4562 * so, we now need to write an end sample for that subtitle.
4564 * This must be done conditionally to allow for subtitles that
4565 * immediately replace each other, in which case an end sample
4566 * is not needed, and is, in fact, actively harmful.
4568 * 3) See mov_write_trailer for how the final end sample is
4571 for (i = 0; i < mov->nb_streams; i++) {
4572 MOVTrack *trk = &mov->tracks[i];
4575 if (trk->enc->codec_id == AV_CODEC_ID_MOV_TEXT &&
4576 trk->track_duration < pkt->dts &&
4577 (trk->entry == 0 || !trk->last_sample_is_subtitle_end)) {
4578 ret = mov_write_subtitle_end_packet(s, i, trk->track_duration);
4579 if (ret < 0) return ret;
4580 trk->last_sample_is_subtitle_end = 1;
4584 return mov_write_single_packet(s, pkt);
4588 // QuickTime chapters involve an additional text track with the chapter names
4589 // as samples, and a tref pointing from the other tracks to the chapter one.
4590 static int mov_create_chapter_track(AVFormatContext *s, int tracknum)
4594 MOVMuxContext *mov = s->priv_data;
4595 MOVTrack *track = &mov->tracks[tracknum];
4596 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
4599 track->mode = mov->mode;
4600 track->tag = MKTAG('t','e','x','t');
4601 track->timescale = MOV_TIMESCALE;
4602 track->enc = avcodec_alloc_context3(NULL);
4604 return AVERROR(ENOMEM);
4605 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
4607 // These properties are required to make QT recognize the chapter track
4608 uint8_t chapter_properties[43] = { 0, 0, 0, 0, 0, 0, 0, 1, };
4609 if (ff_alloc_extradata(track->enc, sizeof(chapter_properties)))
4610 return AVERROR(ENOMEM);
4611 memcpy(track->enc->extradata, chapter_properties, sizeof(chapter_properties));
4613 if (avio_open_dyn_buf(&pb) >= 0) {
4617 /* Stub header (usually for Quicktime chapter track) */
4619 avio_wb32(pb, 0x01); // displayFlags
4620 avio_w8(pb, 0x00); // horizontal justification
4621 avio_w8(pb, 0x00); // vertical justification
4622 avio_w8(pb, 0x00); // bgColourRed
4623 avio_w8(pb, 0x00); // bgColourGreen
4624 avio_w8(pb, 0x00); // bgColourBlue
4625 avio_w8(pb, 0x00); // bgColourAlpha
4627 avio_wb16(pb, 0x00); // defTextBoxTop
4628 avio_wb16(pb, 0x00); // defTextBoxLeft
4629 avio_wb16(pb, 0x00); // defTextBoxBottom
4630 avio_wb16(pb, 0x00); // defTextBoxRight
4632 avio_wb16(pb, 0x00); // startChar
4633 avio_wb16(pb, 0x00); // endChar
4634 avio_wb16(pb, 0x01); // fontID
4635 avio_w8(pb, 0x00); // fontStyleFlags
4636 avio_w8(pb, 0x00); // fontSize
4637 avio_w8(pb, 0x00); // fgColourRed
4638 avio_w8(pb, 0x00); // fgColourGreen
4639 avio_w8(pb, 0x00); // fgColourBlue
4640 avio_w8(pb, 0x00); // fgColourAlpha
4642 avio_wb32(pb, 0x0D); // box size
4643 ffio_wfourcc(pb, "ftab"); // box atom name
4644 avio_wb16(pb, 0x01); // entry count
4646 avio_wb16(pb, 0x01); // font ID
4647 avio_w8(pb, 0x00); // font name length
4649 if ((size = avio_close_dyn_buf(pb, &buf)) > 0) {
4650 track->enc->extradata = buf;
4651 track->enc->extradata_size = size;
4658 for (i = 0; i < s->nb_chapters; i++) {
4659 AVChapter *c = s->chapters[i];
4660 AVDictionaryEntry *t;
4662 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
4663 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
4664 pkt.duration = end - pkt.dts;
4666 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
4667 const char encd[12] = {
4668 0x00, 0x00, 0x00, 0x0C,
4670 0x00, 0x00, 0x01, 0x00 };
4671 len = strlen(t->value);
4672 pkt.size = len + 2 + 12;
4673 pkt.data = av_malloc(pkt.size);
4675 return AVERROR(ENOMEM);
4676 AV_WB16(pkt.data, len);
4677 memcpy(pkt.data + 2, t->value, len);
4678 memcpy(pkt.data + len + 2, encd, sizeof(encd));
4679 ff_mov_write_packet(s, &pkt);
4680 av_freep(&pkt.data);
4687 static int mov_create_timecode_track(AVFormatContext *s, int index, int src_index, const char *tcstr)
4690 MOVMuxContext *mov = s->priv_data;
4691 MOVTrack *track = &mov->tracks[index];
4692 AVStream *src_st = s->streams[src_index];
4694 AVPacket pkt = {.stream_index = index, .flags = AV_PKT_FLAG_KEY, .size = 4};
4695 AVRational rate = find_fps(s, src_st);
4697 /* compute the frame number */
4698 ret = av_timecode_init_from_string(&tc, rate, tcstr, s);
4702 /* tmcd track based on video stream */
4703 track->mode = mov->mode;
4704 track->tag = MKTAG('t','m','c','d');
4705 track->src_track = src_index;
4706 track->timescale = mov->tracks[src_index].timescale;
4707 if (tc.flags & AV_TIMECODE_FLAG_DROPFRAME)
4708 track->timecode_flags |= MOV_TIMECODE_FLAG_DROPFRAME;
4710 /* set st to src_st for metadata access*/
4713 /* encode context: tmcd data stream */
4714 track->enc = avcodec_alloc_context3(NULL);
4716 return AVERROR(ENOMEM);
4717 track->enc->codec_type = AVMEDIA_TYPE_DATA;
4718 track->enc->codec_tag = track->tag;
4719 track->enc->time_base = av_inv_q(rate);
4721 /* the tmcd track just contains one packet with the frame number */
4722 pkt.data = av_malloc(pkt.size);
4724 return AVERROR(ENOMEM);
4725 AV_WB32(pkt.data, tc.start);
4726 ret = ff_mov_write_packet(s, &pkt);
4732 * st->disposition controls the "enabled" flag in the tkhd tag.
4733 * QuickTime will not play a track if it is not enabled. So make sure
4734 * that one track of each type (audio, video, subtitle) is enabled.
4736 * Subtitles are special. For audio and video, setting "enabled" also
4737 * makes the track "default" (i.e. it is rendered when played). For
4738 * subtitles, an "enabled" subtitle is not rendered by default, but
4739 * if no subtitle is enabled, the subtitle menu in QuickTime will be
4742 static void enable_tracks(AVFormatContext *s)
4744 MOVMuxContext *mov = s->priv_data;
4746 int enabled[AVMEDIA_TYPE_NB];
4747 int first[AVMEDIA_TYPE_NB];
4749 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
4754 for (i = 0; i < s->nb_streams; i++) {
4755 AVStream *st = s->streams[i];
4757 if (st->codec->codec_type <= AVMEDIA_TYPE_UNKNOWN ||
4758 st->codec->codec_type >= AVMEDIA_TYPE_NB)
4761 if (first[st->codec->codec_type] < 0)
4762 first[st->codec->codec_type] = i;
4763 if (st->disposition & AV_DISPOSITION_DEFAULT) {
4764 mov->tracks[i].flags |= MOV_TRACK_ENABLED;
4765 enabled[st->codec->codec_type]++;
4769 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
4771 case AVMEDIA_TYPE_VIDEO:
4772 case AVMEDIA_TYPE_AUDIO:
4773 case AVMEDIA_TYPE_SUBTITLE:
4775 mov->per_stream_grouping = 1;
4776 if (!enabled[i] && first[i] >= 0)
4777 mov->tracks[first[i]].flags |= MOV_TRACK_ENABLED;
4783 static void mov_free(AVFormatContext *s)
4785 MOVMuxContext *mov = s->priv_data;
4788 if (mov->chapter_track) {
4789 if (mov->tracks[mov->chapter_track].enc)
4790 av_freep(&mov->tracks[mov->chapter_track].enc->extradata);
4791 av_freep(&mov->tracks[mov->chapter_track].enc);
4794 for (i = 0; i < mov->nb_streams; i++) {
4795 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
4796 ff_mov_close_hinting(&mov->tracks[i]);
4797 else if (mov->tracks[i].tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd)
4798 av_freep(&mov->tracks[i].enc);
4799 av_freep(&mov->tracks[i].cluster);
4800 av_freep(&mov->tracks[i].frag_info);
4802 if (mov->tracks[i].vos_len)
4803 av_freep(&mov->tracks[i].vos_data);
4806 av_freep(&mov->tracks);
4809 static uint32_t rgb_to_yuv(uint32_t rgb)
4814 r = (rgb >> 16) & 0xFF;
4815 g = (rgb >> 8) & 0xFF;
4818 y = av_clip_uint8( 16. + 0.257 * r + 0.504 * g + 0.098 * b);
4819 cb = av_clip_uint8(128. - 0.148 * r - 0.291 * g + 0.439 * b);
4820 cr = av_clip_uint8(128. + 0.439 * r - 0.368 * g - 0.071 * b);
4822 return (y << 16) | (cr << 8) | cb;
4825 static int mov_create_dvd_sub_decoder_specific_info(MOVTrack *track,
4828 int i, width = 720, height = 480;
4829 int have_palette = 0, have_size = 0;
4830 uint32_t palette[16];
4831 char *cur = st->codec->extradata;
4833 while (cur && *cur) {
4834 if (strncmp("palette:", cur, 8) == 0) {
4836 count = sscanf(cur + 8,
4837 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
4838 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
4839 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
4840 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32"",
4841 &palette[ 0], &palette[ 1], &palette[ 2], &palette[ 3],
4842 &palette[ 4], &palette[ 5], &palette[ 6], &palette[ 7],
4843 &palette[ 8], &palette[ 9], &palette[10], &palette[11],
4844 &palette[12], &palette[13], &palette[14], &palette[15]);
4846 for (i = 0; i < count; i++) {
4847 palette[i] = rgb_to_yuv(palette[i]);
4850 } else if (!strncmp("size:", cur, 5)) {
4851 sscanf(cur + 5, "%dx%d", &width, &height);
4854 if (have_palette && have_size)
4856 cur += strcspn(cur, "\n\r");
4857 cur += strspn(cur, "\n\r");
4860 track->vos_data = av_malloc(16*4);
4861 if (!track->vos_data)
4862 return AVERROR(ENOMEM);
4863 for (i = 0; i < 16; i++) {
4864 AV_WB32(track->vos_data + i * 4, palette[i]);
4866 track->vos_len = 16 * 4;
4868 st->codec->width = width;
4869 st->codec->height = track->height = height;
4874 static int mov_write_header(AVFormatContext *s)
4876 AVIOContext *pb = s->pb;
4877 MOVMuxContext *mov = s->priv_data;
4878 AVDictionaryEntry *t, *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
4879 int i, ret, hint_track = 0, tmcd_track = 0;
4883 /* Default mode == MP4 */
4884 mov->mode = MODE_MP4;
4887 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
4888 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
4889 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
4890 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
4891 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
4892 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
4893 else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V;
4896 if (s->flags & AVFMT_FLAG_BITEXACT)
4899 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
4900 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV;
4902 /* Set the FRAGMENT flag if any of the fragmentation methods are
4904 if (mov->max_fragment_duration || mov->max_fragment_size ||
4905 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
4906 FF_MOV_FLAG_FRAG_KEYFRAME |
4907 FF_MOV_FLAG_FRAG_CUSTOM))
4908 mov->flags |= FF_MOV_FLAG_FRAGMENT;
4910 /* Set other implicit flags immediately */
4911 if (mov->mode == MODE_ISM)
4912 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
4913 FF_MOV_FLAG_FRAGMENT;
4914 if (mov->flags & FF_MOV_FLAG_DASH)
4915 mov->flags |= FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_EMPTY_MOOV |
4916 FF_MOV_FLAG_DEFAULT_BASE_MOOF;
4918 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
4919 mov->reserved_moov_size = -1;
4922 if (mov->use_editlist < 0) {
4923 mov->use_editlist = 1;
4924 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
4925 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
4926 // If we can avoid needing an edit list by shifting the
4927 // tracks, prefer that over (trying to) write edit lists
4928 // in fragmented output.
4929 if (s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO ||
4930 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO)
4931 mov->use_editlist = 0;
4934 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
4935 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV) && mov->use_editlist)
4936 av_log(s, AV_LOG_WARNING, "No meaningful edit list will be written when using empty_moov without delay_moov\n");
4938 if (!mov->use_editlist && s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO)
4939 s->avoid_negative_ts = AVFMT_AVOID_NEG_TS_MAKE_ZERO;
4941 /* Clear the omit_tfhd_offset flag if default_base_moof is set;
4942 * if the latter is set that's enough and omit_tfhd_offset doesn't
4943 * add anything extra on top of that. */
4944 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
4945 mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
4946 mov->flags &= ~FF_MOV_FLAG_OMIT_TFHD_OFFSET;
4948 if (mov->frag_interleave &&
4949 mov->flags & (FF_MOV_FLAG_OMIT_TFHD_OFFSET | FF_MOV_FLAG_SEPARATE_MOOF)) {
4950 av_log(s, AV_LOG_ERROR,
4951 "Sample interleaving in fragments is mutually exclusive with "
4952 "omit_tfhd_offset and separate_moof\n");
4953 return AVERROR(EINVAL);
4956 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
4957 * is enabled, we don't support non-seekable output at all. */
4958 if (!s->pb->seekable &&
4959 (!(mov->flags & FF_MOV_FLAG_FRAGMENT) || mov->ism_lookahead)) {
4960 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
4961 return AVERROR(EINVAL);
4964 if (!(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
4965 if ((ret = mov_write_identification(pb, s)) < 0)
4969 mov->nb_streams = s->nb_streams;
4970 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
4971 mov->chapter_track = mov->nb_streams++;
4973 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
4974 /* Add hint tracks for each audio and video stream */
4975 hint_track = mov->nb_streams;
4976 for (i = 0; i < s->nb_streams; i++) {
4977 AVStream *st = s->streams[i];
4978 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
4979 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
4985 if (mov->mode == MODE_MOV) {
4986 tmcd_track = mov->nb_streams;
4988 /* +1 tmcd track for each video stream with a timecode */
4989 for (i = 0; i < s->nb_streams; i++) {
4990 AVStream *st = s->streams[i];
4991 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
4992 (global_tcr || av_dict_get(st->metadata, "timecode", NULL, 0)))
4993 mov->nb_meta_tmcd++;
4996 /* check if there is already a tmcd track to remux */
4997 if (mov->nb_meta_tmcd) {
4998 for (i = 0; i < s->nb_streams; i++) {
4999 AVStream *st = s->streams[i];
5000 if (st->codec->codec_tag == MKTAG('t','m','c','d')) {
5001 av_log(s, AV_LOG_WARNING, "You requested a copy of the original timecode track "
5002 "so timecode metadata are now ignored\n");
5003 mov->nb_meta_tmcd = 0;
5008 mov->nb_streams += mov->nb_meta_tmcd;
5011 // Reserve an extra stream for chapters for the case where chapters
5012 // are written in the trailer
5013 mov->tracks = av_mallocz_array((mov->nb_streams + 1), sizeof(*mov->tracks));
5015 return AVERROR(ENOMEM);
5017 for (i = 0; i < s->nb_streams; i++) {
5018 AVStream *st= s->streams[i];
5019 MOVTrack *track= &mov->tracks[i];
5020 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
5023 track->enc = st->codec;
5024 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
5025 if (track->language < 0)
5026 track->language = 0;
5027 track->mode = mov->mode;
5028 track->tag = mov_find_codec_tag(s, track);
5030 av_log(s, AV_LOG_ERROR, "Could not find tag for codec %s in stream #%d, "
5031 "codec not currently supported in container\n",
5032 avcodec_get_name(st->codec->codec_id), i);
5033 ret = AVERROR(EINVAL);
5036 /* If hinting of this track is enabled by a later hint track,
5037 * this is updated. */
5038 track->hint_track = -1;
5039 track->start_dts = AV_NOPTS_VALUE;
5040 track->start_cts = AV_NOPTS_VALUE;
5041 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
5042 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
5043 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
5044 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
5045 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
5046 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
5047 ret = AVERROR(EINVAL);
5050 track->height = track->tag >> 24 == 'n' ? 486 : 576;
5052 if (mov->video_track_timescale) {
5053 track->timescale = mov->video_track_timescale;
5055 track->timescale = st->time_base.den;
5056 while(track->timescale < 10000)
5057 track->timescale *= 2;
5059 if (st->codec->width > 65535 || st->codec->height > 65535) {
5060 av_log(s, AV_LOG_ERROR, "Resolution %dx%d too large for mov/mp4\n", st->codec->width, st->codec->height);
5061 ret = AVERROR(EINVAL);
5064 if (track->mode == MODE_MOV && track->timescale > 100000)
5065 av_log(s, AV_LOG_WARNING,
5066 "WARNING codec timebase is very high. If duration is too long,\n"
5067 "file may not be playable by quicktime. Specify a shorter timebase\n"
5068 "or choose different container.\n");
5069 } else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
5070 track->timescale = st->codec->sample_rate;
5071 if (!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
5072 av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i);
5073 track->audio_vbr = 1;
5074 }else if (st->codec->codec_id == AV_CODEC_ID_ADPCM_MS ||
5075 st->codec->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
5076 st->codec->codec_id == AV_CODEC_ID_ILBC){
5077 if (!st->codec->block_align) {
5078 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
5079 ret = AVERROR(EINVAL);
5082 track->sample_size = st->codec->block_align;
5083 }else if (st->codec->frame_size > 1){ /* assume compressed audio */
5084 track->audio_vbr = 1;
5086 track->sample_size = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
5088 if (st->codec->codec_id == AV_CODEC_ID_ILBC ||
5089 st->codec->codec_id == AV_CODEC_ID_ADPCM_IMA_QT) {
5090 track->audio_vbr = 1;
5092 if (track->mode != MODE_MOV &&
5093 track->enc->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
5094 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
5095 i, track->enc->sample_rate);
5096 ret = AVERROR(EINVAL);
5099 } else if (st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
5100 track->timescale = st->time_base.den;
5101 } else if (st->codec->codec_type == AVMEDIA_TYPE_DATA) {
5102 track->timescale = st->time_base.den;
5104 track->timescale = MOV_TIMESCALE;
5107 track->height = st->codec->height;
5108 /* The ism specific timescale isn't mandatory, but is assumed by
5109 * some tools, such as mp4split. */
5110 if (mov->mode == MODE_ISM)
5111 track->timescale = 10000000;
5113 avpriv_set_pts_info(st, 64, 1, track->timescale);
5115 /* copy extradata if it exists */
5116 if (st->codec->extradata_size) {
5117 if (st->codec->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
5118 mov_create_dvd_sub_decoder_specific_info(track, st);
5119 else if (!TAG_IS_AVCI(track->tag) && st->codec->codec_id != AV_CODEC_ID_DNXHD) {
5120 track->vos_len = st->codec->extradata_size;
5121 track->vos_data = av_malloc(track->vos_len);
5122 if (!track->vos_data) {
5123 ret = AVERROR(ENOMEM);
5126 memcpy(track->vos_data, st->codec->extradata, track->vos_len);
5131 for (i = 0; i < s->nb_streams; i++) {
5133 AVStream *st= s->streams[i];
5134 MOVTrack *track= &mov->tracks[i];
5136 if (st->codec->codec_type != AVMEDIA_TYPE_AUDIO ||
5137 track->enc->channel_layout != AV_CH_LAYOUT_MONO)
5140 for (j = 0; j < s->nb_streams; j++) {
5141 AVStream *stj= s->streams[j];
5142 MOVTrack *trackj= &mov->tracks[j];
5146 if (stj->codec->codec_type != AVMEDIA_TYPE_AUDIO ||
5147 trackj->enc->channel_layout != AV_CH_LAYOUT_MONO ||
5148 trackj->language != track->language ||
5149 trackj->tag != track->tag
5152 track->multichannel_as_mono++;
5159 if (mov->reserved_moov_size){
5160 mov->reserved_moov_pos= avio_tell(pb);
5161 if (mov->reserved_moov_size > 0)
5162 avio_skip(pb, mov->reserved_moov_size);
5165 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
5166 /* If no fragmentation options have been set, set a default. */
5167 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
5168 FF_MOV_FLAG_FRAG_CUSTOM)) &&
5169 !mov->max_fragment_duration && !mov->max_fragment_size)
5170 mov->flags |= FF_MOV_FLAG_FRAG_KEYFRAME;
5172 if (mov->flags & FF_MOV_FLAG_FASTSTART)
5173 mov->reserved_moov_pos = avio_tell(pb);
5174 mov_write_mdat_tag(pb, mov);
5177 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
5178 mov->time = ff_iso8601_to_unix_time(t->value);
5180 mov->time += 0x7C25B080; // 1970 based -> 1904 based
5182 if (mov->chapter_track)
5183 if ((ret = mov_create_chapter_track(s, mov->chapter_track)) < 0)
5186 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
5187 /* Initialize the hint tracks for each audio and video stream */
5188 for (i = 0; i < s->nb_streams; i++) {
5189 AVStream *st = s->streams[i];
5190 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
5191 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
5192 if ((ret = ff_mov_init_hinting(s, hint_track, i)) < 0)
5199 if (mov->nb_meta_tmcd) {
5200 /* Initialize the tmcd tracks */
5201 for (i = 0; i < s->nb_streams; i++) {
5202 AVStream *st = s->streams[i];
5205 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
5207 t = av_dict_get(st->metadata, "timecode", NULL, 0);
5210 if ((ret = mov_create_timecode_track(s, tmcd_track, i, t->value)) < 0)
5219 if (mov->flags & FF_MOV_FLAG_ISML)
5220 mov_write_isml_manifest(pb, mov);
5222 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
5223 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
5224 if ((ret = mov_write_moov_tag(pb, mov, s)) < 0)
5226 mov->moov_written = 1;
5227 if (mov->flags & FF_MOV_FLAG_FASTSTART)
5228 mov->reserved_moov_pos = avio_tell(pb);
5237 static int get_moov_size(AVFormatContext *s)
5240 AVIOContext *moov_buf;
5241 MOVMuxContext *mov = s->priv_data;
5243 if ((ret = ffio_open_null_buf(&moov_buf)) < 0)
5245 if ((ret = mov_write_moov_tag(moov_buf, mov, s)) < 0)
5247 return ffio_close_null_buf(moov_buf);
5250 static int get_sidx_size(AVFormatContext *s)
5254 MOVMuxContext *mov = s->priv_data;
5256 if ((ret = ffio_open_null_buf(&buf)) < 0)
5258 mov_write_sidx_tags(buf, mov, -1, 0);
5259 return ffio_close_null_buf(buf);
5263 * This function gets the moov size if moved to the top of the file: the chunk
5264 * offset table can switch between stco (32-bit entries) to co64 (64-bit
5265 * entries) when the moov is moved to the beginning, so the size of the moov
5266 * would change. It also updates the chunk offset tables.
5268 static int compute_moov_size(AVFormatContext *s)
5270 int i, moov_size, moov_size2;
5271 MOVMuxContext *mov = s->priv_data;
5273 moov_size = get_moov_size(s);
5277 for (i = 0; i < mov->nb_streams; i++)
5278 mov->tracks[i].data_offset += moov_size;
5280 moov_size2 = get_moov_size(s);
5284 /* if the size changed, we just switched from stco to co64 and need to
5285 * update the offsets */
5286 if (moov_size2 != moov_size)
5287 for (i = 0; i < mov->nb_streams; i++)
5288 mov->tracks[i].data_offset += moov_size2 - moov_size;
5293 static int compute_sidx_size(AVFormatContext *s)
5296 MOVMuxContext *mov = s->priv_data;
5298 sidx_size = get_sidx_size(s);
5302 for (i = 0; i < mov->nb_streams; i++)
5303 mov->tracks[i].data_offset += sidx_size;
5308 static int shift_data(AVFormatContext *s)
5310 int ret = 0, moov_size;
5311 MOVMuxContext *mov = s->priv_data;
5312 int64_t pos, pos_end = avio_tell(s->pb);
5313 uint8_t *buf, *read_buf[2];
5314 int read_buf_id = 0;
5316 AVIOContext *read_pb;
5318 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
5319 moov_size = compute_sidx_size(s);
5321 moov_size = compute_moov_size(s);
5325 buf = av_malloc(moov_size * 2);
5327 return AVERROR(ENOMEM);
5329 read_buf[1] = buf + moov_size;
5331 /* Shift the data: the AVIO context of the output can only be used for
5332 * writing, so we re-open the same output, but for reading. It also avoids
5333 * a read/seek/write/seek back and forth. */
5335 ret = avio_open(&read_pb, s->filename, AVIO_FLAG_READ);
5337 av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for "
5338 "the second pass (faststart)\n", s->filename);
5342 /* mark the end of the shift to up to the last data we wrote, and get ready
5344 pos_end = avio_tell(s->pb);
5345 avio_seek(s->pb, mov->reserved_moov_pos + moov_size, SEEK_SET);
5347 /* start reading at where the new moov will be placed */
5348 avio_seek(read_pb, mov->reserved_moov_pos, SEEK_SET);
5349 pos = avio_tell(read_pb);
5351 #define READ_BLOCK do { \
5352 read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
5356 /* shift data by chunk of at most moov_size */
5361 n = read_size[read_buf_id];
5364 avio_write(s->pb, read_buf[read_buf_id], n);
5366 } while (pos < pos_end);
5367 avio_close(read_pb);
5374 static int mov_write_trailer(AVFormatContext *s)
5376 MOVMuxContext *mov = s->priv_data;
5377 AVIOContext *pb = s->pb;
5383 * Before actually writing the trailer, make sure that there are no
5384 * dangling subtitles, that need a terminating sample.
5386 for (i = 0; i < mov->nb_streams; i++) {
5387 MOVTrack *trk = &mov->tracks[i];
5388 if (trk->enc->codec_id == AV_CODEC_ID_MOV_TEXT &&
5389 !trk->last_sample_is_subtitle_end) {
5390 mov_write_subtitle_end_packet(s, i, trk->track_duration);
5391 trk->last_sample_is_subtitle_end = 1;
5395 // If there were no chapters when the header was written, but there
5396 // are chapters now, write them in the trailer. This only works
5397 // when we are not doing fragments.
5398 if (!mov->chapter_track && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
5399 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters) {
5400 mov->chapter_track = mov->nb_streams++;
5401 if ((res = mov_create_chapter_track(s, mov->chapter_track)) < 0)
5406 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
5407 moov_pos = avio_tell(pb);
5409 /* Write size of mdat tag */
5410 if (mov->mdat_size + 8 <= UINT32_MAX) {
5411 avio_seek(pb, mov->mdat_pos, SEEK_SET);
5412 avio_wb32(pb, mov->mdat_size + 8);
5414 /* overwrite 'wide' placeholder atom */
5415 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
5416 /* special value: real atom size will be 64 bit value after
5419 ffio_wfourcc(pb, "mdat");
5420 avio_wb64(pb, mov->mdat_size + 16);
5422 avio_seek(pb, mov->reserved_moov_size > 0 ? mov->reserved_moov_pos : moov_pos, SEEK_SET);
5424 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
5425 av_log(s, AV_LOG_INFO, "Starting second pass: moving the moov atom to the beginning of the file\n");
5426 res = shift_data(s);
5428 avio_seek(pb, mov->reserved_moov_pos, SEEK_SET);
5429 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
5432 } else if (mov->reserved_moov_size > 0) {
5434 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
5436 size = mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_moov_pos);
5438 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
5439 res = AVERROR(EINVAL);
5442 avio_wb32(pb, size);
5443 ffio_wfourcc(pb, "free");
5444 ffio_fill(pb, 0, size - 8);
5445 avio_seek(pb, moov_pos, SEEK_SET);
5447 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
5452 mov_auto_flush_fragment(s);
5453 for (i = 0; i < mov->nb_streams; i++)
5454 mov->tracks[i].data_offset = 0;
5455 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
5456 av_log(s, AV_LOG_INFO, "Starting second pass: inserting sidx atoms\n");
5457 res = shift_data(s);
5459 int64_t end = avio_tell(pb);
5460 avio_seek(pb, mov->reserved_moov_pos, SEEK_SET);
5461 mov_write_sidx_tags(pb, mov, -1, 0);
5462 avio_seek(pb, end, SEEK_SET);
5463 mov_write_mfra_tag(pb, mov);
5466 mov_write_mfra_tag(pb, mov);
5476 #if CONFIG_MOV_MUXER
5478 AVOutputFormat ff_mov_muxer = {
5480 .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
5481 .extensions = "mov",
5482 .priv_data_size = sizeof(MOVMuxContext),
5483 .audio_codec = AV_CODEC_ID_AAC,
5484 .video_codec = CONFIG_LIBX264_ENCODER ?
5485 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
5486 .write_header = mov_write_header,
5487 .write_packet = mov_write_packet,
5488 .write_trailer = mov_write_trailer,
5489 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
5490 .codec_tag = (const AVCodecTag* const []){
5491 ff_codec_movvideo_tags, ff_codec_movaudio_tags, 0
5493 .priv_class = &mov_muxer_class,
5496 #if CONFIG_TGP_MUXER
5498 AVOutputFormat ff_tgp_muxer = {
5500 .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
5501 .extensions = "3gp",
5502 .priv_data_size = sizeof(MOVMuxContext),
5503 .audio_codec = AV_CODEC_ID_AMR_NB,
5504 .video_codec = AV_CODEC_ID_H263,
5505 .write_header = mov_write_header,
5506 .write_packet = mov_write_packet,
5507 .write_trailer = mov_write_trailer,
5508 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
5509 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
5510 .priv_class = &tgp_muxer_class,
5513 #if CONFIG_MP4_MUXER
5515 AVOutputFormat ff_mp4_muxer = {
5517 .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
5518 .mime_type = "application/mp4",
5519 .extensions = "mp4",
5520 .priv_data_size = sizeof(MOVMuxContext),
5521 .audio_codec = AV_CODEC_ID_AAC,
5522 .video_codec = CONFIG_LIBX264_ENCODER ?
5523 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
5524 .write_header = mov_write_header,
5525 .write_packet = mov_write_packet,
5526 .write_trailer = mov_write_trailer,
5527 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
5528 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
5529 .priv_class = &mp4_muxer_class,
5532 #if CONFIG_PSP_MUXER
5534 AVOutputFormat ff_psp_muxer = {
5536 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
5537 .extensions = "mp4,psp",
5538 .priv_data_size = sizeof(MOVMuxContext),
5539 .audio_codec = AV_CODEC_ID_AAC,
5540 .video_codec = CONFIG_LIBX264_ENCODER ?
5541 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
5542 .write_header = mov_write_header,
5543 .write_packet = mov_write_packet,
5544 .write_trailer = mov_write_trailer,
5545 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
5546 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
5547 .priv_class = &psp_muxer_class,
5550 #if CONFIG_TG2_MUXER
5552 AVOutputFormat ff_tg2_muxer = {
5554 .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
5555 .extensions = "3g2",
5556 .priv_data_size = sizeof(MOVMuxContext),
5557 .audio_codec = AV_CODEC_ID_AMR_NB,
5558 .video_codec = AV_CODEC_ID_H263,
5559 .write_header = mov_write_header,
5560 .write_packet = mov_write_packet,
5561 .write_trailer = mov_write_trailer,
5562 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
5563 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
5564 .priv_class = &tg2_muxer_class,
5567 #if CONFIG_IPOD_MUXER
5569 AVOutputFormat ff_ipod_muxer = {
5571 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
5572 .mime_type = "application/mp4",
5573 .extensions = "m4v,m4a",
5574 .priv_data_size = sizeof(MOVMuxContext),
5575 .audio_codec = AV_CODEC_ID_AAC,
5576 .video_codec = AV_CODEC_ID_H264,
5577 .write_header = mov_write_header,
5578 .write_packet = mov_write_packet,
5579 .write_trailer = mov_write_trailer,
5580 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
5581 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
5582 .priv_class = &ipod_muxer_class,
5585 #if CONFIG_ISMV_MUXER
5587 AVOutputFormat ff_ismv_muxer = {
5589 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
5590 .mime_type = "application/mp4",
5591 .extensions = "ismv,isma",
5592 .priv_data_size = sizeof(MOVMuxContext),
5593 .audio_codec = AV_CODEC_ID_AAC,
5594 .video_codec = AV_CODEC_ID_H264,
5595 .write_header = mov_write_header,
5596 .write_packet = mov_write_packet,
5597 .write_trailer = mov_write_trailer,
5598 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
5599 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
5600 .priv_class = &ismv_muxer_class,
5603 #if CONFIG_F4V_MUXER
5605 AVOutputFormat ff_f4v_muxer = {
5607 .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
5608 .mime_type = "application/f4v",
5609 .extensions = "f4v",
5610 .priv_data_size = sizeof(MOVMuxContext),
5611 .audio_codec = AV_CODEC_ID_AAC,
5612 .video_codec = AV_CODEC_ID_H264,
5613 .write_header = mov_write_header,
5614 .write_packet = mov_write_packet,
5615 .write_trailer = mov_write_trailer,
5616 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
5617 .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 },
5618 .priv_class = &f4v_muxer_class,