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},
87 #define MOV_CLASS(flavor)\
88 static const AVClass flavor ## _muxer_class = {\
89 .class_name = #flavor " muxer",\
90 .item_name = av_default_item_name,\
92 .version = LIBAVUTIL_VERSION_INT,\
95 static int get_moov_size(AVFormatContext *s);
97 static int utf8len(const uint8_t *b)
102 GET_UTF8(val, *b++, return -1;)
108 //FIXME support 64 bit variant with wide placeholders
109 static int64_t update_size(AVIOContext *pb, int64_t pos)
111 int64_t curpos = avio_tell(pb);
112 avio_seek(pb, pos, SEEK_SET);
113 avio_wb32(pb, curpos - pos); /* rewrite size */
114 avio_seek(pb, curpos, SEEK_SET);
119 static int co64_required(const MOVTrack *track)
121 if (track->entry > 0 && track->cluster[track->entry - 1].pos + track->data_offset > UINT32_MAX)
126 /* Chunk offset atom */
127 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
130 int mode64 = co64_required(track); // use 32 bit size variant if possible
131 int64_t pos = avio_tell(pb);
132 avio_wb32(pb, 0); /* size */
134 ffio_wfourcc(pb, "co64");
136 ffio_wfourcc(pb, "stco");
137 avio_wb32(pb, 0); /* version & flags */
138 avio_wb32(pb, track->chunkCount); /* entry count */
139 for (i = 0; i < track->entry; i++) {
140 if (!track->cluster[i].chunkNum)
143 avio_wb64(pb, track->cluster[i].pos + track->data_offset);
145 avio_wb32(pb, track->cluster[i].pos + track->data_offset);
147 return update_size(pb, pos);
150 /* Sample size atom */
151 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
154 int i, j, entries = 0, tst = -1, oldtst = -1;
156 int64_t pos = avio_tell(pb);
157 avio_wb32(pb, 0); /* size */
158 ffio_wfourcc(pb, "stsz");
159 avio_wb32(pb, 0); /* version & flags */
161 for (i = 0; i < track->entry; i++) {
162 tst = track->cluster[i].size / track->cluster[i].entries;
163 if (oldtst != -1 && tst != oldtst)
166 entries += track->cluster[i].entries;
168 if (equalChunks && track->entry) {
169 int sSize = track->entry ? track->cluster[0].size / track->cluster[0].entries : 0;
170 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
171 avio_wb32(pb, sSize); // sample size
172 avio_wb32(pb, entries); // sample count
174 avio_wb32(pb, 0); // sample size
175 avio_wb32(pb, entries); // sample count
176 for (i = 0; i < track->entry; i++) {
177 for (j = 0; j < track->cluster[i].entries; j++) {
178 avio_wb32(pb, track->cluster[i].size /
179 track->cluster[i].entries);
183 return update_size(pb, pos);
186 /* Sample to chunk atom */
187 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
189 int index = 0, oldval = -1, i;
190 int64_t entryPos, curpos;
192 int64_t pos = avio_tell(pb);
193 avio_wb32(pb, 0); /* size */
194 ffio_wfourcc(pb, "stsc");
195 avio_wb32(pb, 0); // version & flags
196 entryPos = avio_tell(pb);
197 avio_wb32(pb, track->chunkCount); // entry count
198 for (i = 0; i < track->entry; i++) {
199 if (oldval != track->cluster[i].samples_in_chunk && track->cluster[i].chunkNum) {
200 avio_wb32(pb, track->cluster[i].chunkNum); // first chunk
201 avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
202 avio_wb32(pb, 0x1); // sample description index
203 oldval = track->cluster[i].samples_in_chunk;
207 curpos = avio_tell(pb);
208 avio_seek(pb, entryPos, SEEK_SET);
209 avio_wb32(pb, index); // rewrite size
210 avio_seek(pb, curpos, SEEK_SET);
212 return update_size(pb, pos);
215 /* Sync sample atom */
216 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
218 int64_t curpos, entryPos;
220 int64_t pos = avio_tell(pb);
221 avio_wb32(pb, 0); // size
222 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
223 avio_wb32(pb, 0); // version & flags
224 entryPos = avio_tell(pb);
225 avio_wb32(pb, track->entry); // entry count
226 for (i = 0; i < track->entry; i++) {
227 if (track->cluster[i].flags & flag) {
228 avio_wb32(pb, i + 1);
232 curpos = avio_tell(pb);
233 avio_seek(pb, entryPos, SEEK_SET);
234 avio_wb32(pb, index); // rewrite size
235 avio_seek(pb, curpos, SEEK_SET);
236 return update_size(pb, pos);
239 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
241 avio_wb32(pb, 0x11); /* size */
242 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
243 else ffio_wfourcc(pb, "damr");
244 ffio_wfourcc(pb, "FFMP");
245 avio_w8(pb, 0); /* decoder version */
247 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
248 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
249 avio_w8(pb, 0x01); /* Frames per sample */
253 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
258 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
260 if (track->vos_len < 7)
264 ffio_wfourcc(pb, "dac3");
266 init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
267 fscod = get_bits(&gbc, 2);
268 frmsizecod = get_bits(&gbc, 6);
269 bsid = get_bits(&gbc, 5);
270 bsmod = get_bits(&gbc, 3);
271 acmod = get_bits(&gbc, 3);
273 skip_bits(&gbc, 2); // dsurmod
275 if ((acmod & 1) && acmod != 1)
276 skip_bits(&gbc, 2); // cmixlev
278 skip_bits(&gbc, 2); // surmixlev
280 lfeon = get_bits1(&gbc);
282 init_put_bits(&pbc, buf, sizeof(buf));
283 put_bits(&pbc, 2, fscod);
284 put_bits(&pbc, 5, bsid);
285 put_bits(&pbc, 3, bsmod);
286 put_bits(&pbc, 3, acmod);
287 put_bits(&pbc, 1, lfeon);
288 put_bits(&pbc, 5, frmsizecod >> 1); // bit_rate_code
289 put_bits(&pbc, 5, 0); // reserved
291 flush_put_bits(&pbc);
292 avio_write(pb, buf, sizeof(buf));
302 /* Layout of the EC3SpecificBox */
303 /* maximum bitrate */
305 /* number of independent substreams */
308 /* sample rate code (see ff_ac3_sample_rate_tab) 2 bits */
310 /* bit stream identification 5 bits */
312 /* one bit reserved */
313 /* audio service mixing (not supported yet) 1 bit */
314 /* bit stream mode 3 bits */
316 /* audio coding mode 3 bits */
318 /* sub woofer on 1 bit */
320 /* 3 bits reserved */
321 /* number of dependent substreams associated with this substream 4 bits */
323 /* channel locations of the dependent substream(s), if any, 9 bits */
325 /* if there is no dependent substream, then one bit reserved instead */
326 } substream[1]; /* TODO: support 8 independent substreams */
329 #if CONFIG_AC3_PARSER
330 static int handle_eac3(MOVMuxContext *mov, AVPacket *pkt, MOVTrack *track)
333 AC3HeaderInfo tmp, *hdr = &tmp;
334 struct eac3_info *info;
337 if (!track->eac3_priv && !(track->eac3_priv = av_mallocz(sizeof(*info))))
338 return AVERROR(ENOMEM);
339 info = track->eac3_priv;
341 init_get_bits(&gbc, pkt->data, pkt->size * 8);
342 if (avpriv_ac3_parse_header2(&gbc, &hdr) < 0) {
343 /* drop the packets until we see a good one */
345 av_log(mov, AV_LOG_WARNING, "Dropping invalid packet from start of the stream\n");
348 return AVERROR_INVALIDDATA;
351 info->data_rate = FFMAX(info->data_rate, hdr->bit_rate / 1000);
352 num_blocks = hdr->num_blocks;
354 if (!info->ec3_done) {
355 /* AC-3 substream must be the first one */
356 if (hdr->bitstream_id <= 10 && hdr->substreamid != 0)
357 return AVERROR(EINVAL);
359 /* this should always be the case, given that our AC-3 parser
360 * concatenates dependent frames to their independent parent */
361 if (hdr->frame_type == EAC3_FRAME_TYPE_INDEPENDENT) {
362 /* substream ids must be incremental */
363 if (hdr->substreamid > info->num_ind_sub + 1)
364 return AVERROR(EINVAL);
366 if (hdr->substreamid == info->num_ind_sub + 1) {
367 //info->num_ind_sub++;
368 avpriv_request_sample(track->enc, "Multiple independent substreams");
369 return AVERROR_PATCHWELCOME;
370 } else if (hdr->substreamid < info->num_ind_sub ||
371 hdr->substreamid == 0 && info->substream[0].bsid) {
377 /* fill the info needed for the "dec3" atom */
378 info->substream[hdr->substreamid].fscod = hdr->sr_code;
379 info->substream[hdr->substreamid].bsid = hdr->bitstream_id;
380 info->substream[hdr->substreamid].bsmod = hdr->bitstream_mode;
381 info->substream[hdr->substreamid].acmod = hdr->channel_mode;
382 info->substream[hdr->substreamid].lfeon = hdr->lfe_on;
384 /* Parse dependent substream(s), if any */
385 if (pkt->size != hdr->frame_size) {
386 int cumul_size = hdr->frame_size;
387 int parent = hdr->substreamid;
389 while (cumul_size != pkt->size) {
391 init_get_bits(&gbc, pkt->data + cumul_size, (pkt->size - cumul_size) * 8);
392 if (avpriv_ac3_parse_header2(&gbc, &hdr) < 0)
393 return AVERROR_INVALIDDATA;
394 if (hdr->frame_type != EAC3_FRAME_TYPE_DEPENDENT)
395 return AVERROR(EINVAL);
396 cumul_size += hdr->frame_size;
397 info->substream[parent].num_dep_sub++;
399 /* header is parsed up to lfeon, but custom channel map may be needed */
402 /* skip volume control params */
403 for (i = 0; i < (hdr->channel_mode ? 1 : 2); i++) {
404 skip_bits(&gbc, 5); // skip dialog normalization
405 if (get_bits1(&gbc)) {
406 skip_bits(&gbc, 8); // skip compression gain word
409 /* get the dependent stream channel map, if exists */
411 info->substream[parent].chan_loc |= (get_bits(&gbc, 16) >> 5) & 0x1f;
413 info->substream[parent].chan_loc |= hdr->channel_mode;
419 if (!info->num_blocks && num_blocks == 6)
421 else if (info->num_blocks + num_blocks > 6)
422 return AVERROR_INVALIDDATA;
424 if (!info->num_blocks) {
426 if ((ret = av_copy_packet(&info->pkt, pkt)) < 0)
428 info->num_blocks = num_blocks;
432 if ((ret = av_grow_packet(&info->pkt, pkt->size)) < 0)
434 memcpy(info->pkt.data + info->pkt.size - pkt->size, pkt->data, pkt->size);
435 info->num_blocks += num_blocks;
436 info->pkt.duration += pkt->duration;
437 if ((ret = av_copy_packet_side_data(&info->pkt, pkt)) < 0)
439 if (info->num_blocks != 6)
442 if ((ret = av_copy_packet(pkt, &info->pkt)) < 0)
444 av_free_packet(&info->pkt);
445 info->num_blocks = 0;
452 static int mov_write_eac3_tag(AVIOContext *pb, MOVTrack *track)
456 struct eac3_info *info;
459 if (!track->eac3_priv)
460 return AVERROR(EINVAL);
462 info = track->eac3_priv;
463 size = 2 + 4 * (info->num_ind_sub + 1);
464 buf = av_malloc(size);
466 size = AVERROR(ENOMEM);
470 init_put_bits(&pbc, buf, size);
471 put_bits(&pbc, 13, info->data_rate);
472 put_bits(&pbc, 3, info->num_ind_sub);
473 for (i = 0; i <= info->num_ind_sub; i++) {
474 put_bits(&pbc, 2, info->substream[i].fscod);
475 put_bits(&pbc, 5, info->substream[i].bsid);
476 put_bits(&pbc, 1, 0); /* reserved */
477 put_bits(&pbc, 1, 0); /* asvc */
478 put_bits(&pbc, 3, info->substream[i].bsmod);
479 put_bits(&pbc, 3, info->substream[i].acmod);
480 put_bits(&pbc, 1, info->substream[i].lfeon);
481 put_bits(&pbc, 5, 0); /* reserved */
482 put_bits(&pbc, 4, info->substream[i].num_dep_sub);
483 if (!info->substream[i].num_dep_sub) {
484 put_bits(&pbc, 1, 0); /* reserved */
487 put_bits(&pbc, 9, info->substream[i].chan_loc);
490 flush_put_bits(&pbc);
492 avio_wb32(pb, size + 8);
493 ffio_wfourcc(pb, "dec3");
494 avio_write(pb, buf, size);
499 av_free_packet(&info->pkt);
500 av_freep(&track->eac3_priv);
506 * This function writes extradata "as is".
507 * Extradata must be formatted like a valid atom (with size and tag).
509 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
511 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
512 return track->enc->extradata_size;
515 static int mov_write_enda_tag(AVIOContext *pb)
518 ffio_wfourcc(pb, "enda");
519 avio_wb16(pb, 1); /* little endian */
523 static int mov_write_enda_tag_be(AVIOContext *pb)
526 ffio_wfourcc(pb, "enda");
527 avio_wb16(pb, 0); /* big endian */
531 static void put_descr(AVIOContext *pb, int tag, unsigned int size)
536 avio_w8(pb, (size >> (7 * i)) | 0x80);
537 avio_w8(pb, size & 0x7F);
540 static unsigned compute_avg_bitrate(MOVTrack *track)
544 if (!track->track_duration)
546 for (i = 0; i < track->entry; i++)
547 size += track->cluster[i].size;
548 return size * 8 * track->timescale / track->track_duration;
551 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
553 int64_t pos = avio_tell(pb);
554 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
555 unsigned avg_bitrate;
557 avio_wb32(pb, 0); // size
558 ffio_wfourcc(pb, "esds");
559 avio_wb32(pb, 0); // Version
562 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
563 avio_wb16(pb, track->track_id);
564 avio_w8(pb, 0x00); // flags (= no flags)
566 // DecoderConfig descriptor
567 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
569 // Object type indication
570 if ((track->enc->codec_id == AV_CODEC_ID_MP2 ||
571 track->enc->codec_id == AV_CODEC_ID_MP3) &&
572 track->enc->sample_rate > 24000)
573 avio_w8(pb, 0x6B); // 11172-3
575 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
577 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
578 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
579 if (track->enc->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
580 avio_w8(pb, (0x38 << 2) | 1); // flags (= NeroSubpicStream)
581 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
582 avio_w8(pb, 0x15); // flags (= Audiostream)
584 avio_w8(pb, 0x11); // flags (= Visualstream)
586 avio_wb24(pb, track->enc->rc_buffer_size >> 3); // Buffersize DB
588 avg_bitrate = compute_avg_bitrate(track);
589 // maxbitrate (FIXME should be max rate in any 1 sec window)
590 avio_wb32(pb, FFMAX3(track->enc->bit_rate, track->enc->rc_max_rate, avg_bitrate));
591 avio_wb32(pb, avg_bitrate);
593 if (track->vos_len) {
594 // DecoderSpecific info descriptor
595 put_descr(pb, 0x05, track->vos_len);
596 avio_write(pb, track->vos_data, track->vos_len);
600 put_descr(pb, 0x06, 1);
602 return update_size(pb, pos);
605 static int mov_pcm_le_gt16(enum AVCodecID codec_id)
607 return codec_id == AV_CODEC_ID_PCM_S24LE ||
608 codec_id == AV_CODEC_ID_PCM_S32LE ||
609 codec_id == AV_CODEC_ID_PCM_F32LE ||
610 codec_id == AV_CODEC_ID_PCM_F64LE;
613 static int mov_pcm_be_gt16(enum AVCodecID codec_id)
615 return codec_id == AV_CODEC_ID_PCM_S24BE ||
616 codec_id == AV_CODEC_ID_PCM_S32BE ||
617 codec_id == AV_CODEC_ID_PCM_F32BE ||
618 codec_id == AV_CODEC_ID_PCM_F64BE;
621 static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
624 int64_t pos = avio_tell(pb);
626 avio_wl32(pb, track->tag); // store it byteswapped
627 track->enc->codec_tag = av_bswap16(track->tag >> 16);
628 if ((ret = ff_put_wav_header(pb, track->enc, 0)) < 0)
630 return update_size(pb, pos);
633 static int mov_write_wfex_tag(AVIOContext *pb, MOVTrack *track)
636 int64_t pos = avio_tell(pb);
638 ffio_wfourcc(pb, "wfex");
639 if ((ret = ff_put_wav_header(pb, track->enc, FF_PUT_WAV_HEADER_FORCE_WAVEFORMATEX)) < 0)
641 return update_size(pb, pos);
644 static int mov_write_chan_tag(AVIOContext *pb, MOVTrack *track)
646 uint32_t layout_tag, bitmap;
647 int64_t pos = avio_tell(pb);
649 layout_tag = ff_mov_get_channel_layout_tag(track->enc->codec_id,
650 track->enc->channel_layout,
653 av_log(track->enc, AV_LOG_WARNING, "not writing 'chan' tag due to "
654 "lack of channel information\n");
658 if (track->multichannel_as_mono)
661 avio_wb32(pb, 0); // Size
662 ffio_wfourcc(pb, "chan"); // Type
663 avio_w8(pb, 0); // Version
664 avio_wb24(pb, 0); // Flags
665 avio_wb32(pb, layout_tag); // mChannelLayoutTag
666 avio_wb32(pb, bitmap); // mChannelBitmap
667 avio_wb32(pb, 0); // mNumberChannelDescriptions
669 return update_size(pb, pos);
672 static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
674 int64_t pos = avio_tell(pb);
676 avio_wb32(pb, 0); /* size */
677 ffio_wfourcc(pb, "wave");
679 if (track->enc->codec_id != AV_CODEC_ID_QDM2) {
680 avio_wb32(pb, 12); /* size */
681 ffio_wfourcc(pb, "frma");
682 avio_wl32(pb, track->tag);
685 if (track->enc->codec_id == AV_CODEC_ID_AAC) {
686 /* useless atom needed by mplayer, ipod, not needed by quicktime */
687 avio_wb32(pb, 12); /* size */
688 ffio_wfourcc(pb, "mp4a");
690 mov_write_esds_tag(pb, track);
691 } else if (mov_pcm_le_gt16(track->enc->codec_id)) {
692 mov_write_enda_tag(pb);
693 } else if (mov_pcm_be_gt16(track->enc->codec_id)) {
694 mov_write_enda_tag_be(pb);
695 } else if (track->enc->codec_id == AV_CODEC_ID_AMR_NB) {
696 mov_write_amr_tag(pb, track);
697 } else if (track->enc->codec_id == AV_CODEC_ID_AC3) {
698 mov_write_ac3_tag(pb, track);
699 } else if (track->enc->codec_id == AV_CODEC_ID_EAC3) {
700 mov_write_eac3_tag(pb, track);
701 } else if (track->enc->codec_id == AV_CODEC_ID_ALAC ||
702 track->enc->codec_id == AV_CODEC_ID_QDM2) {
703 mov_write_extradata_tag(pb, track);
704 } else if (track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
705 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
706 mov_write_ms_tag(pb, track);
709 avio_wb32(pb, 8); /* size */
710 avio_wb32(pb, 0); /* null tag */
712 return update_size(pb, pos);
715 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
718 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
719 int unescaped_size, seq_found = 0;
720 int level = 0, interlace = 0;
721 int packet_seq = track->vc1_info.packet_seq;
722 int packet_entry = track->vc1_info.packet_entry;
723 int slices = track->vc1_info.slices;
726 if (track->start_dts == AV_NOPTS_VALUE) {
727 /* No packets written yet, vc1_info isn't authoritative yet. */
728 /* Assume inline sequence and entry headers. */
729 packet_seq = packet_entry = 1;
730 av_log(NULL, AV_LOG_WARNING,
731 "moov atom written before any packets, unable to write correct "
732 "dvc1 atom. Set the delay_moov flag to fix this.\n");
735 unescaped = av_mallocz(track->vos_len + FF_INPUT_BUFFER_PADDING_SIZE);
737 return AVERROR(ENOMEM);
738 start = find_next_marker(track->vos_data, end);
739 for (next = start; next < end; start = next) {
742 next = find_next_marker(start + 4, end);
743 size = next - start - 4;
746 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
747 init_get_bits(&gb, unescaped, 8 * unescaped_size);
748 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
749 int profile = get_bits(&gb, 2);
750 if (profile != PROFILE_ADVANCED) {
752 return AVERROR(ENOSYS);
755 level = get_bits(&gb, 3);
756 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
758 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
759 skip_bits(&gb, 1); /* broadcast */
760 interlace = get_bits1(&gb);
761 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
766 return AVERROR(ENOSYS);
769 init_put_bits(&pbc, buf, 7);
770 /* VC1DecSpecStruc */
771 put_bits(&pbc, 4, 12); /* profile - advanced */
772 put_bits(&pbc, 3, level);
773 put_bits(&pbc, 1, 0); /* reserved */
774 /* VC1AdvDecSpecStruc */
775 put_bits(&pbc, 3, level);
776 put_bits(&pbc, 1, 0); /* cbr */
777 put_bits(&pbc, 6, 0); /* reserved */
778 put_bits(&pbc, 1, !interlace); /* no interlace */
779 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
780 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
781 put_bits(&pbc, 1, !slices); /* no slice code */
782 put_bits(&pbc, 1, 0); /* no bframe */
783 put_bits(&pbc, 1, 0); /* reserved */
786 if (track->st->avg_frame_rate.num > 0 && track->st->avg_frame_rate.den > 0)
787 put_bits32(&pbc, track->st->avg_frame_rate.num / track->st->avg_frame_rate.den);
789 put_bits32(&pbc, 0xffffffff);
791 flush_put_bits(&pbc);
798 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
800 uint8_t buf[7] = { 0 };
803 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
806 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
807 ffio_wfourcc(pb, "dvc1");
808 avio_write(pb, buf, sizeof(buf));
809 avio_write(pb, track->vos_data, track->vos_len);
814 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
816 avio_wb32(pb, track->vos_len + 8);
817 ffio_wfourcc(pb, "glbl");
818 avio_write(pb, track->vos_data, track->vos_len);
819 return 8 + track->vos_len;
823 * Compute flags for 'lpcm' tag.
824 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
826 static int mov_get_lpcm_flags(enum AVCodecID codec_id)
829 case AV_CODEC_ID_PCM_F32BE:
830 case AV_CODEC_ID_PCM_F64BE:
832 case AV_CODEC_ID_PCM_F32LE:
833 case AV_CODEC_ID_PCM_F64LE:
835 case AV_CODEC_ID_PCM_U8:
837 case AV_CODEC_ID_PCM_S16BE:
838 case AV_CODEC_ID_PCM_S24BE:
839 case AV_CODEC_ID_PCM_S32BE:
841 case AV_CODEC_ID_PCM_S8:
842 case AV_CODEC_ID_PCM_S16LE:
843 case AV_CODEC_ID_PCM_S24LE:
844 case AV_CODEC_ID_PCM_S32LE:
851 static int get_cluster_duration(MOVTrack *track, int cluster_idx)
855 if (cluster_idx >= track->entry)
858 if (cluster_idx + 1 == track->entry)
859 next_dts = track->track_duration + track->start_dts;
861 next_dts = track->cluster[cluster_idx + 1].dts;
863 next_dts -= track->cluster[cluster_idx].dts;
865 av_assert0(next_dts >= 0);
866 av_assert0(next_dts <= INT_MAX);
871 static int get_samples_per_packet(MOVTrack *track)
873 int i, first_duration;
875 // return track->enc->frame_size;
877 /* use 1 for raw PCM */
878 if (!track->audio_vbr)
881 /* check to see if duration is constant for all clusters */
884 first_duration = get_cluster_duration(track, 0);
885 for (i = 1; i < track->entry; i++) {
886 if (get_cluster_duration(track, i) != first_duration)
889 return first_duration;
892 static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
894 int64_t pos = avio_tell(pb);
896 uint32_t tag = track->tag;
898 if (track->mode == MODE_MOV) {
899 if (track->timescale > UINT16_MAX) {
900 if (mov_get_lpcm_flags(track->enc->codec_id))
901 tag = AV_RL32("lpcm");
903 } else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id) ||
904 mov_pcm_be_gt16(track->enc->codec_id) ||
905 track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
906 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
907 track->enc->codec_id == AV_CODEC_ID_QDM2) {
912 avio_wb32(pb, 0); /* size */
913 avio_wl32(pb, tag); // store it byteswapped
914 avio_wb32(pb, 0); /* Reserved */
915 avio_wb16(pb, 0); /* Reserved */
916 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
918 /* SoundDescription */
919 avio_wb16(pb, version); /* Version */
920 avio_wb16(pb, 0); /* Revision level */
921 avio_wb32(pb, 0); /* Reserved */
926 avio_wb16(pb, 0xfffe);
928 avio_wb32(pb, 0x00010000);
930 avio_wb64(pb, av_double2int(track->enc->sample_rate));
931 avio_wb32(pb, track->enc->channels);
932 avio_wb32(pb, 0x7F000000);
933 avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
934 avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
935 avio_wb32(pb, track->sample_size);
936 avio_wb32(pb, get_samples_per_packet(track));
938 if (track->mode == MODE_MOV) {
939 avio_wb16(pb, track->enc->channels);
940 if (track->enc->codec_id == AV_CODEC_ID_PCM_U8 ||
941 track->enc->codec_id == AV_CODEC_ID_PCM_S8)
942 avio_wb16(pb, 8); /* bits per sample */
943 else if (track->enc->codec_id == AV_CODEC_ID_ADPCM_G726)
944 avio_wb16(pb, track->enc->bits_per_coded_sample);
947 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
948 } else { /* reserved for mp4/3gp */
954 avio_wb16(pb, 0); /* packet size (= 0) */
955 avio_wb16(pb, track->enc->sample_rate <= UINT16_MAX ?
956 track->enc->sample_rate : 0);
957 avio_wb16(pb, 0); /* Reserved */
960 if (version == 1) { /* SoundDescription V1 extended info */
961 if (mov_pcm_le_gt16(track->enc->codec_id) ||
962 mov_pcm_be_gt16(track->enc->codec_id))
963 avio_wb32(pb, 1); /* must be 1 for uncompressed formats */
965 avio_wb32(pb, track->enc->frame_size); /* Samples per packet */
966 avio_wb32(pb, track->sample_size / track->enc->channels); /* Bytes per packet */
967 avio_wb32(pb, track->sample_size); /* Bytes per frame */
968 avio_wb32(pb, 2); /* Bytes per sample */
971 if (track->mode == MODE_MOV &&
972 (track->enc->codec_id == AV_CODEC_ID_AAC ||
973 track->enc->codec_id == AV_CODEC_ID_AC3 ||
974 track->enc->codec_id == AV_CODEC_ID_EAC3 ||
975 track->enc->codec_id == AV_CODEC_ID_AMR_NB ||
976 track->enc->codec_id == AV_CODEC_ID_ALAC ||
977 track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
978 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
979 track->enc->codec_id == AV_CODEC_ID_QDM2 ||
980 (mov_pcm_le_gt16(track->enc->codec_id) && version==1) ||
981 (mov_pcm_be_gt16(track->enc->codec_id) && version==1)))
982 mov_write_wave_tag(pb, track);
983 else if (track->tag == MKTAG('m','p','4','a'))
984 mov_write_esds_tag(pb, track);
985 else if (track->enc->codec_id == AV_CODEC_ID_AMR_NB)
986 mov_write_amr_tag(pb, track);
987 else if (track->enc->codec_id == AV_CODEC_ID_AC3)
988 mov_write_ac3_tag(pb, track);
989 else if (track->enc->codec_id == AV_CODEC_ID_EAC3)
990 mov_write_eac3_tag(pb, track);
991 else if (track->enc->codec_id == AV_CODEC_ID_ALAC)
992 mov_write_extradata_tag(pb, track);
993 else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO)
994 mov_write_wfex_tag(pb, track);
995 else if (track->vos_len > 0)
996 mov_write_glbl_tag(pb, track);
998 if (track->mode == MODE_MOV && track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
999 mov_write_chan_tag(pb, track);
1001 return update_size(pb, pos);
1004 static int mov_write_d263_tag(AVIOContext *pb)
1006 avio_wb32(pb, 0xf); /* size */
1007 ffio_wfourcc(pb, "d263");
1008 ffio_wfourcc(pb, "FFMP");
1009 avio_w8(pb, 0); /* decoder version */
1010 /* FIXME use AVCodecContext level/profile, when encoder will set values */
1011 avio_w8(pb, 0xa); /* level */
1012 avio_w8(pb, 0); /* profile */
1016 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
1018 int64_t pos = avio_tell(pb);
1021 ffio_wfourcc(pb, "avcC");
1022 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
1023 return update_size(pb, pos);
1026 static int mov_write_hvcc_tag(AVIOContext *pb, MOVTrack *track)
1028 int64_t pos = avio_tell(pb);
1031 ffio_wfourcc(pb, "hvcC");
1032 ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 0);
1033 return update_size(pb, pos);
1036 /* also used by all avid codecs (dv, imx, meridien) and their variants */
1037 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
1043 if (track->vos_data && track->vos_len > 0x29) {
1044 if (track->vos_data[0] == 0x00 &&
1045 track->vos_data[1] == 0x00 &&
1046 track->vos_data[2] == 0x02 &&
1047 track->vos_data[3] == 0x80 &&
1048 (track->vos_data[4] == 0x01 || track->vos_data[4] == 0x02)) {
1049 /* looks like a DNxHD bit stream */
1050 interlaced = (track->vos_data[5] & 2);
1051 cid = AV_RB32(track->vos_data + 0x28);
1053 av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream in vos_data\n");
1057 av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream, vos_data too small\n");
1061 avio_wb32(pb, 24); /* size */
1062 ffio_wfourcc(pb, "ACLR");
1063 ffio_wfourcc(pb, "ACLR");
1064 ffio_wfourcc(pb, "0001");
1065 if (track->enc->color_range == AVCOL_RANGE_MPEG || /* Legal range (16-235) */
1066 track->enc->color_range == AVCOL_RANGE_UNSPECIFIED) {
1067 avio_wb32(pb, 1); /* Corresponds to 709 in official encoder */
1068 } else { /* Full range (0-255) */
1069 avio_wb32(pb, 2); /* Corresponds to RGB in official encoder */
1071 avio_wb32(pb, 0); /* unknown */
1073 avio_wb32(pb, 24); /* size */
1074 ffio_wfourcc(pb, "APRG");
1075 ffio_wfourcc(pb, "APRG");
1076 ffio_wfourcc(pb, "0001");
1077 avio_wb32(pb, 1); /* unknown */
1078 avio_wb32(pb, 0); /* unknown */
1080 avio_wb32(pb, 120); /* size */
1081 ffio_wfourcc(pb, "ARES");
1082 ffio_wfourcc(pb, "ARES");
1083 ffio_wfourcc(pb, "0001");
1084 avio_wb32(pb, cid); /* dnxhd cid, some id ? */
1085 avio_wb32(pb, track->enc->width);
1086 /* values below are based on samples created with quicktime and avid codecs */
1088 avio_wb32(pb, track->enc->height / 2);
1089 avio_wb32(pb, 2); /* unknown */
1090 avio_wb32(pb, 0); /* unknown */
1091 avio_wb32(pb, 4); /* unknown */
1093 avio_wb32(pb, track->enc->height);
1094 avio_wb32(pb, 1); /* unknown */
1095 avio_wb32(pb, 0); /* unknown */
1096 if (track->enc->height == 1080)
1097 avio_wb32(pb, 5); /* unknown */
1099 avio_wb32(pb, 6); /* unknown */
1102 for (i = 0; i < 10; i++)
1108 static int mov_write_dpxe_tag(AVIOContext *pb, MOVTrack *track)
1111 ffio_wfourcc(pb, "DpxE");
1112 if (track->enc->extradata_size >= 12 &&
1113 !memcmp(&track->enc->extradata[4], "DpxE", 4)) {
1114 avio_wb32(pb, track->enc->extradata[11]);
1121 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1123 int tag = track->enc->codec_tag;
1125 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
1128 if (track->enc->codec_id == AV_CODEC_ID_H264) tag = MKTAG('a','v','c','1');
1129 else if (track->enc->codec_id == AV_CODEC_ID_HEVC) tag = MKTAG('h','e','v','1');
1130 else if (track->enc->codec_id == AV_CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
1131 else if (track->enc->codec_id == AV_CODEC_ID_EAC3) tag = MKTAG('e','c','-','3');
1132 else if (track->enc->codec_id == AV_CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
1133 else if (track->enc->codec_id == AV_CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
1134 else if (track->enc->codec_id == AV_CODEC_ID_VC1) tag = MKTAG('v','c','-','1');
1135 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
1136 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
1137 else if (track->enc->codec_id == AV_CODEC_ID_DVD_SUBTITLE) tag = MKTAG('m','p','4','s');
1142 static const AVCodecTag codec_ipod_tags[] = {
1143 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
1144 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
1145 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
1146 { AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') },
1147 { AV_CODEC_ID_AC3, MKTAG('a','c','-','3') },
1148 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
1149 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
1150 { AV_CODEC_ID_NONE, 0 },
1153 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1155 int tag = track->enc->codec_tag;
1157 // keep original tag for subs, ipod supports both formats
1158 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
1159 (tag == MKTAG('t', 'x', '3', 'g') ||
1160 tag == MKTAG('t', 'e', 'x', 't'))))
1161 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
1163 if (!av_match_ext(s->filename, "m4a") &&
1164 !av_match_ext(s->filename, "m4b") &&
1165 !av_match_ext(s->filename, "m4v"))
1166 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a, .m4v nor .m4b "
1167 "Quicktime/Ipod might not play the file\n");
1172 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
1176 if (track->enc->width == 720) { /* SD */
1177 if (track->enc->height == 480) { /* NTSC */
1178 if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
1179 else tag = MKTAG('d','v','c',' ');
1180 }else if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
1181 else if (track->enc->pix_fmt == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
1182 else tag = MKTAG('d','v','p','p');
1183 } else if (track->enc->height == 720) { /* HD 720 line */
1184 if (track->st->time_base.den == 50) tag = MKTAG('d','v','h','q');
1185 else tag = MKTAG('d','v','h','p');
1186 } else if (track->enc->height == 1080) { /* HD 1080 line */
1187 if (track->st->time_base.den == 25) tag = MKTAG('d','v','h','5');
1188 else tag = MKTAG('d','v','h','6');
1190 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
1197 static AVRational find_fps(AVFormatContext *s, AVStream *st)
1199 AVRational rate = {st->codec->time_base.den, st->codec->time_base.num};
1200 /* if the codec time base makes no sense, try to fallback on stream frame rate */
1201 if (av_timecode_check_frame_rate(rate) < 0) {
1202 av_log(s, AV_LOG_DEBUG, "timecode: tbc=%d/%d invalid, fallback on %d/%d\n",
1203 rate.num, rate.den, st->avg_frame_rate.num, st->avg_frame_rate.den);
1204 rate = st->avg_frame_rate;
1210 static int mov_get_mpeg2_xdcam_codec_tag(AVFormatContext *s, MOVTrack *track)
1212 int tag = track->enc->codec_tag;
1213 int interlaced = track->enc->field_order > AV_FIELD_PROGRESSIVE;
1214 AVStream *st = track->st;
1215 int rate = av_q2d(find_fps(s, st));
1218 tag = MKTAG('m', '2', 'v', '1'); //fallback tag
1220 if (track->enc->pix_fmt == AV_PIX_FMT_YUV420P) {
1221 if (track->enc->width == 1280 && track->enc->height == 720) {
1223 if (rate == 24) tag = MKTAG('x','d','v','4');
1224 else if (rate == 25) tag = MKTAG('x','d','v','5');
1225 else if (rate == 30) tag = MKTAG('x','d','v','1');
1226 else if (rate == 50) tag = MKTAG('x','d','v','a');
1227 else if (rate == 60) tag = MKTAG('x','d','v','9');
1229 } else if (track->enc->width == 1440 && track->enc->height == 1080) {
1231 if (rate == 24) tag = MKTAG('x','d','v','6');
1232 else if (rate == 25) tag = MKTAG('x','d','v','7');
1233 else if (rate == 30) tag = MKTAG('x','d','v','8');
1235 if (rate == 25) tag = MKTAG('x','d','v','3');
1236 else if (rate == 30) tag = MKTAG('x','d','v','2');
1238 } else if (track->enc->width == 1920 && track->enc->height == 1080) {
1240 if (rate == 24) tag = MKTAG('x','d','v','d');
1241 else if (rate == 25) tag = MKTAG('x','d','v','e');
1242 else if (rate == 30) tag = MKTAG('x','d','v','f');
1244 if (rate == 25) tag = MKTAG('x','d','v','c');
1245 else if (rate == 30) tag = MKTAG('x','d','v','b');
1248 } else if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) {
1249 if (track->enc->width == 1280 && track->enc->height == 720) {
1251 if (rate == 24) tag = MKTAG('x','d','5','4');
1252 else if (rate == 25) tag = MKTAG('x','d','5','5');
1253 else if (rate == 30) tag = MKTAG('x','d','5','1');
1254 else if (rate == 50) tag = MKTAG('x','d','5','a');
1255 else if (rate == 60) tag = MKTAG('x','d','5','9');
1257 } else if (track->enc->width == 1920 && track->enc->height == 1080) {
1259 if (rate == 24) tag = MKTAG('x','d','5','d');
1260 else if (rate == 25) tag = MKTAG('x','d','5','e');
1261 else if (rate == 30) tag = MKTAG('x','d','5','f');
1263 if (rate == 25) tag = MKTAG('x','d','5','c');
1264 else if (rate == 30) tag = MKTAG('x','d','5','b');
1272 static int mov_get_h264_codec_tag(AVFormatContext *s, MOVTrack *track)
1274 int tag = track->enc->codec_tag;
1275 int interlaced = track->enc->field_order > AV_FIELD_PROGRESSIVE;
1276 AVStream *st = track->st;
1277 int rate = av_q2d(find_fps(s, st));
1280 tag = MKTAG('a', 'v', 'c', 'i'); //fallback tag
1282 if (track->enc->pix_fmt == AV_PIX_FMT_YUV420P10) {
1283 if (track->enc->width == 960 && track->enc->height == 720) {
1285 if (rate == 24) tag = MKTAG('a','i','5','p');
1286 else if (rate == 25) tag = MKTAG('a','i','5','q');
1287 else if (rate == 30) tag = MKTAG('a','i','5','p');
1288 else if (rate == 50) tag = MKTAG('a','i','5','q');
1289 else if (rate == 60) tag = MKTAG('a','i','5','p');
1291 } else if (track->enc->width == 1440 && track->enc->height == 1080) {
1293 if (rate == 24) tag = MKTAG('a','i','5','3');
1294 else if (rate == 25) tag = MKTAG('a','i','5','2');
1295 else if (rate == 30) tag = MKTAG('a','i','5','3');
1297 if (rate == 50) tag = MKTAG('a','i','5','5');
1298 else if (rate == 60) tag = MKTAG('a','i','5','6');
1301 } else if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P10) {
1302 if (track->enc->width == 1280 && track->enc->height == 720) {
1304 if (rate == 24) tag = MKTAG('a','i','1','p');
1305 else if (rate == 25) tag = MKTAG('a','i','1','q');
1306 else if (rate == 30) tag = MKTAG('a','i','1','p');
1307 else if (rate == 50) tag = MKTAG('a','i','1','q');
1308 else if (rate == 60) tag = MKTAG('a','i','1','p');
1310 } else if (track->enc->width == 1920 && track->enc->height == 1080) {
1312 if (rate == 24) tag = MKTAG('a','i','1','3');
1313 else if (rate == 25) tag = MKTAG('a','i','1','2');
1314 else if (rate == 30) tag = MKTAG('a','i','1','3');
1316 if (rate == 25) tag = MKTAG('a','i','1','5');
1317 else if (rate == 50) tag = MKTAG('a','i','1','5');
1318 else if (rate == 60) tag = MKTAG('a','i','1','6');
1320 } else if ( track->enc->width == 4096 && track->enc->height == 2160
1321 || track->enc->width == 3840 && track->enc->height == 2160
1322 || track->enc->width == 2048 && track->enc->height == 1080) {
1323 tag = MKTAG('a','i','v','x');
1330 static const struct {
1331 enum AVPixelFormat pix_fmt;
1334 } mov_pix_fmt_tags[] = {
1335 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','2'), 0 },
1336 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
1337 { AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
1338 { AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
1339 { AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
1340 { AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
1341 { AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
1342 { AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
1343 { AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
1344 { AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
1345 { AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
1346 { AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
1347 { AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
1348 { AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
1349 { AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
1352 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
1354 int tag = track->enc->codec_tag;
1356 enum AVPixelFormat pix_fmt;
1358 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
1359 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
1360 tag = mov_pix_fmt_tags[i].tag;
1361 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
1362 if (track->enc->codec_tag == mov_pix_fmt_tags[i].tag)
1367 pix_fmt = avpriv_find_pix_fmt(avpriv_pix_fmt_bps_mov,
1368 track->enc->bits_per_coded_sample);
1369 if (tag == MKTAG('r','a','w',' ') &&
1370 track->enc->pix_fmt != pix_fmt &&
1371 track->enc->pix_fmt != AV_PIX_FMT_NONE)
1372 av_log(s, AV_LOG_ERROR, "%s rawvideo cannot be written to mov, output file will be unreadable\n",
1373 av_get_pix_fmt_name(track->enc->pix_fmt));
1377 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1379 int tag = track->enc->codec_tag;
1381 if (!tag || (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
1382 (track->enc->codec_id == AV_CODEC_ID_DVVIDEO ||
1383 track->enc->codec_id == AV_CODEC_ID_RAWVIDEO ||
1384 track->enc->codec_id == AV_CODEC_ID_H263 ||
1385 track->enc->codec_id == AV_CODEC_ID_H264 ||
1386 track->enc->codec_id == AV_CODEC_ID_MPEG2VIDEO ||
1387 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
1388 if (track->enc->codec_id == AV_CODEC_ID_DVVIDEO)
1389 tag = mov_get_dv_codec_tag(s, track);
1390 else if (track->enc->codec_id == AV_CODEC_ID_RAWVIDEO)
1391 tag = mov_get_rawvideo_codec_tag(s, track);
1392 else if (track->enc->codec_id == AV_CODEC_ID_MPEG2VIDEO)
1393 tag = mov_get_mpeg2_xdcam_codec_tag(s, track);
1394 else if (track->enc->codec_id == AV_CODEC_ID_H264)
1395 tag = mov_get_h264_codec_tag(s, track);
1396 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1397 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->enc->codec_id);
1398 if (!tag) { // if no mac fcc found, try with Microsoft tags
1399 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
1401 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
1402 "the file may be unplayable!\n");
1404 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1405 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->enc->codec_id);
1406 if (!tag) { // if no mac fcc found, try with Microsoft tags
1407 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
1409 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
1410 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
1411 "the file may be unplayable!\n");
1414 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
1415 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
1421 static const AVCodecTag codec_3gp_tags[] = {
1422 { AV_CODEC_ID_H263, MKTAG('s','2','6','3') },
1423 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
1424 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
1425 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
1426 { AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
1427 { AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
1428 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
1429 { AV_CODEC_ID_NONE, 0 },
1432 static const AVCodecTag codec_f4v_tags[] = { // XXX: add GIF/PNG/JPEG?
1433 { AV_CODEC_ID_MP3, MKTAG('.','m','p','3') },
1434 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
1435 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
1436 { AV_CODEC_ID_VP6A, MKTAG('V','P','6','A') },
1437 { AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') },
1438 { AV_CODEC_ID_NONE, 0 },
1441 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
1445 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
1446 tag = mp4_get_codec_tag(s, track);
1447 else if (track->mode == MODE_ISM) {
1448 tag = mp4_get_codec_tag(s, track);
1449 if (!tag && track->enc->codec_id == AV_CODEC_ID_WMAPRO)
1450 tag = MKTAG('w', 'm', 'a', ' ');
1451 } else if (track->mode == MODE_IPOD)
1452 tag = ipod_get_codec_tag(s, track);
1453 else if (track->mode & MODE_3GP)
1454 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
1455 else if (track->mode == MODE_F4V)
1456 tag = ff_codec_get_tag(codec_f4v_tags, track->enc->codec_id);
1458 tag = mov_get_codec_tag(s, track);
1463 /** Write uuid atom.
1464 * Needed to make file play in iPods running newest firmware
1465 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
1467 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
1470 ffio_wfourcc(pb, "uuid");
1471 avio_wb32(pb, 0x6b6840f2);
1472 avio_wb32(pb, 0x5f244fc5);
1473 avio_wb32(pb, 0xba39a51b);
1474 avio_wb32(pb, 0xcf0323f3);
1479 static const uint16_t fiel_data[] = {
1480 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
1483 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track)
1485 unsigned mov_field_order = 0;
1486 if (track->enc->field_order < FF_ARRAY_ELEMS(fiel_data))
1487 mov_field_order = fiel_data[track->enc->field_order];
1491 ffio_wfourcc(pb, "fiel");
1492 avio_wb16(pb, mov_field_order);
1496 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
1498 int64_t pos = avio_tell(pb);
1499 avio_wb32(pb, 0); /* size */
1500 avio_wl32(pb, track->tag); // store it byteswapped
1501 avio_wb32(pb, 0); /* Reserved */
1502 avio_wb16(pb, 0); /* Reserved */
1503 avio_wb16(pb, 1); /* Data-reference index */
1505 if (track->enc->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
1506 mov_write_esds_tag(pb, track);
1507 else if (track->enc->extradata_size)
1508 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
1510 return update_size(pb, pos);
1513 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
1516 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
1517 track->enc->sample_aspect_ratio.den, INT_MAX);
1520 ffio_wfourcc(pb, "pasp");
1521 avio_wb32(pb, sar.num);
1522 avio_wb32(pb, sar.den);
1526 static int mov_write_gama_tag(AVIOContext *pb, MOVTrack *track, double gamma)
1531 gamma = avpriv_get_gamma_from_trc(track->enc->color_trc);
1533 av_log(pb, AV_LOG_DEBUG, "gamma value %g\n", gamma);
1536 gama = (uint32_t)lrint((double)(1<<16) * gamma);
1537 av_log(pb, AV_LOG_DEBUG, "writing gama value %d\n", gama);
1539 av_assert0(track->mode == MODE_MOV);
1541 ffio_wfourcc(pb, "gama");
1542 avio_wb32(pb, gama);
1546 av_log(pb, AV_LOG_WARNING, "gamma value unknown, unable to write gama atom\n");
1551 static int mov_write_colr_tag(AVIOContext *pb, MOVTrack *track)
1553 // Ref (MOV): https://developer.apple.com/library/mac/technotes/tn2162/_index.html#//apple_ref/doc/uid/DTS40013070-CH1-TNTAG9
1554 // Ref (MP4): ISO/IEC 14496-12:2012
1556 if (track->enc->color_primaries == AVCOL_PRI_UNSPECIFIED &&
1557 track->enc->color_trc == AVCOL_TRC_UNSPECIFIED &&
1558 track->enc->colorspace == AVCOL_SPC_UNSPECIFIED) {
1559 if ((track->enc->width >= 1920 && track->enc->height >= 1080)
1560 || (track->enc->width == 1280 && track->enc->height == 720)) {
1561 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming bt709\n");
1562 track->enc->color_primaries = AVCOL_PRI_BT709;
1563 } else if (track->enc->width == 720 && track->height == 576) {
1564 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming bt470bg\n");
1565 track->enc->color_primaries = AVCOL_PRI_BT470BG;
1566 } else if (track->enc->width == 720 &&
1567 (track->height == 486 || track->height == 480)) {
1568 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming smpte170\n");
1569 track->enc->color_primaries = AVCOL_PRI_SMPTE170M;
1571 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, unable to assume anything\n");
1573 switch (track->enc->color_primaries) {
1574 case AVCOL_PRI_BT709:
1575 track->enc->color_trc = AVCOL_TRC_BT709;
1576 track->enc->colorspace = AVCOL_SPC_BT709;
1578 case AVCOL_PRI_SMPTE170M:
1579 case AVCOL_PRI_BT470BG:
1580 track->enc->color_trc = AVCOL_TRC_BT709;
1581 track->enc->colorspace = AVCOL_SPC_SMPTE170M;
1586 /* We should only ever be called by MOV or MP4. */
1587 av_assert0(track->mode == MODE_MOV || track->mode == MODE_MP4);
1589 avio_wb32(pb, 18 + (track->mode == MODE_MP4));
1590 ffio_wfourcc(pb, "colr");
1591 if (track->mode == MODE_MP4)
1592 ffio_wfourcc(pb, "nclx");
1594 ffio_wfourcc(pb, "nclc");
1595 switch (track->enc->color_primaries) {
1596 case AVCOL_PRI_BT709: avio_wb16(pb, 1); break;
1597 case AVCOL_PRI_SMPTE170M:
1598 case AVCOL_PRI_SMPTE240M: avio_wb16(pb, 6); break;
1599 case AVCOL_PRI_BT470BG: avio_wb16(pb, 5); break;
1600 default: avio_wb16(pb, 2);
1602 switch (track->enc->color_trc) {
1603 case AVCOL_TRC_BT709: avio_wb16(pb, 1); break;
1604 case AVCOL_TRC_SMPTE170M: avio_wb16(pb, 1); break; // remapped
1605 case AVCOL_TRC_SMPTE240M: avio_wb16(pb, 7); break;
1606 default: avio_wb16(pb, 2);
1608 switch (track->enc->colorspace) {
1609 case AVCOL_TRC_BT709: avio_wb16(pb, 1); break;
1610 case AVCOL_PRI_SMPTE170M: avio_wb16(pb, 6); break;
1611 case AVCOL_PRI_SMPTE240M: avio_wb16(pb, 7); break;
1612 default: avio_wb16(pb, 2);
1615 if (track->mode == MODE_MP4) {
1616 int full_range = track->enc->color_range == AVCOL_RANGE_JPEG;
1617 avio_w8(pb, full_range << 7);
1624 static void find_compressor(char * compressor_name, int len, MOVTrack *track)
1626 AVDictionaryEntry *encoder;
1627 int xdcam_res = (track->enc->width == 1280 && track->enc->height == 720)
1628 || (track->enc->width == 1440 && track->enc->height == 1080)
1629 || (track->enc->width == 1920 && track->enc->height == 1080);
1631 if (track->mode == MODE_MOV &&
1632 (encoder = av_dict_get(track->st->metadata, "encoder", NULL, 0))) {
1633 av_strlcpy(compressor_name, encoder->value, 32);
1634 } else if (track->enc->codec_id == AV_CODEC_ID_MPEG2VIDEO && xdcam_res) {
1635 int interlaced = track->enc->field_order > AV_FIELD_PROGRESSIVE;
1636 AVStream *st = track->st;
1637 int rate = av_q2d(find_fps(NULL, st));
1638 av_strlcatf(compressor_name, len, "XDCAM");
1639 if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) {
1640 av_strlcatf(compressor_name, len, " HD422");
1641 } else if(track->enc->width == 1440) {
1642 av_strlcatf(compressor_name, len, " HD");
1644 av_strlcatf(compressor_name, len, " EX");
1646 av_strlcatf(compressor_name, len, " %d%c", track->enc->height, interlaced ? 'i' : 'p');
1648 av_strlcatf(compressor_name, len, "%d", rate * (interlaced + 1));
1652 static int mov_write_video_tag(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
1654 int64_t pos = avio_tell(pb);
1655 char compressor_name[32] = { 0 };
1658 avio_wb32(pb, 0); /* size */
1659 avio_wl32(pb, track->tag); // store it byteswapped
1660 avio_wb32(pb, 0); /* Reserved */
1661 avio_wb16(pb, 0); /* Reserved */
1662 avio_wb16(pb, 1); /* Data-reference index */
1664 avio_wb16(pb, 0); /* Codec stream version */
1665 avio_wb16(pb, 0); /* Codec stream revision (=0) */
1666 if (track->mode == MODE_MOV) {
1667 ffio_wfourcc(pb, "FFMP"); /* Vendor */
1668 if (track->enc->codec_id == AV_CODEC_ID_RAWVIDEO) {
1669 avio_wb32(pb, 0); /* Temporal Quality */
1670 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
1672 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
1673 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
1676 avio_wb32(pb, 0); /* Reserved */
1677 avio_wb32(pb, 0); /* Reserved */
1678 avio_wb32(pb, 0); /* Reserved */
1680 avio_wb16(pb, track->enc->width); /* Video width */
1681 avio_wb16(pb, track->height); /* Video height */
1682 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
1683 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
1684 avio_wb32(pb, 0); /* Data size (= 0) */
1685 avio_wb16(pb, 1); /* Frame count (= 1) */
1687 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
1688 find_compressor(compressor_name, 32, track);
1689 avio_w8(pb, strlen(compressor_name));
1690 avio_write(pb, compressor_name, 31);
1692 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
1693 avio_wb16(pb, track->enc->bits_per_coded_sample);
1695 avio_wb16(pb, 0x18); /* Reserved */
1696 avio_wb16(pb, 0xffff); /* Reserved */
1697 if (track->tag == MKTAG('m','p','4','v'))
1698 mov_write_esds_tag(pb, track);
1699 else if (track->enc->codec_id == AV_CODEC_ID_H263)
1700 mov_write_d263_tag(pb);
1701 else if (track->enc->codec_id == AV_CODEC_ID_AVUI ||
1702 track->enc->codec_id == AV_CODEC_ID_SVQ3) {
1703 mov_write_extradata_tag(pb, track);
1705 } else if (track->enc->codec_id == AV_CODEC_ID_DNXHD) {
1706 mov_write_avid_tag(pb, track);
1708 } else if (track->enc->codec_id == AV_CODEC_ID_HEVC)
1709 mov_write_hvcc_tag(pb, track);
1710 else if (track->enc->codec_id == AV_CODEC_ID_H264 && !TAG_IS_AVCI(track->tag)) {
1711 mov_write_avcc_tag(pb, track);
1712 if (track->mode == MODE_IPOD)
1713 mov_write_uuid_tag_ipod(pb);
1714 } else if (track->enc->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
1715 mov_write_dvc1_tag(pb, track);
1716 else if (track->enc->codec_id == AV_CODEC_ID_VP6F ||
1717 track->enc->codec_id == AV_CODEC_ID_VP6A) {
1718 /* Don't write any potential extradata here - the cropping
1719 * is signalled via the normal width/height fields. */
1720 } else if (track->enc->codec_id == AV_CODEC_ID_R10K) {
1721 if (track->enc->codec_tag == MKTAG('R','1','0','k'))
1722 mov_write_dpxe_tag(pb, track);
1723 } else if (track->vos_len > 0)
1724 mov_write_glbl_tag(pb, track);
1726 if (track->enc->codec_id != AV_CODEC_ID_H264 &&
1727 track->enc->codec_id != AV_CODEC_ID_MPEG4 &&
1728 track->enc->codec_id != AV_CODEC_ID_DNXHD)
1729 if (track->enc->field_order != AV_FIELD_UNKNOWN)
1730 mov_write_fiel_tag(pb, track);
1732 if (mov->flags & FF_MOV_FLAG_WRITE_GAMA) {
1733 if (track->mode == MODE_MOV)
1734 mov_write_gama_tag(pb, track, mov->gamma);
1736 av_log(mov->fc, AV_LOG_WARNING, "Not writing 'gama' atom. Format is not MOV.\n");
1738 if (mov->flags & FF_MOV_FLAG_WRITE_COLR) {
1739 if (track->mode == MODE_MOV || track->mode == MODE_MP4)
1740 mov_write_colr_tag(pb, track);
1742 av_log(mov->fc, AV_LOG_WARNING, "Not writing 'colr' atom. Format is not MOV or MP4.\n");
1745 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
1746 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
1747 mov_write_pasp_tag(pb, track);
1750 /* extra padding for avid stsd */
1751 /* https://developer.apple.com/library/mac/documentation/QuickTime/QTFF/QTFFChap2/qtff2.html#//apple_ref/doc/uid/TP40000939-CH204-61112 */
1755 return update_size(pb, pos);
1758 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
1760 int64_t pos = avio_tell(pb);
1761 avio_wb32(pb, 0); /* size */
1762 ffio_wfourcc(pb, "rtp ");
1763 avio_wb32(pb, 0); /* Reserved */
1764 avio_wb16(pb, 0); /* Reserved */
1765 avio_wb16(pb, 1); /* Data-reference index */
1767 avio_wb16(pb, 1); /* Hint track version */
1768 avio_wb16(pb, 1); /* Highest compatible version */
1769 avio_wb32(pb, track->max_packet_size); /* Max packet size */
1771 avio_wb32(pb, 12); /* size */
1772 ffio_wfourcc(pb, "tims");
1773 avio_wb32(pb, track->timescale);
1775 return update_size(pb, pos);
1778 static int mov_write_source_reference_tag(AVIOContext *pb, MOVTrack *track, const char *reel_name)
1780 uint64_t str_size =strlen(reel_name);
1781 int64_t pos = avio_tell(pb);
1783 if (str_size >= UINT16_MAX){
1784 av_log(NULL, AV_LOG_ERROR, "reel_name length %"PRIu64" is too large\n", str_size);
1786 return AVERROR(EINVAL);
1789 avio_wb32(pb, 0); /* size */
1790 ffio_wfourcc(pb, "name"); /* Data format */
1791 avio_wb16(pb, str_size); /* string size */
1792 avio_wb16(pb, track->language); /* langcode */
1793 avio_write(pb, reel_name, str_size); /* reel name */
1794 return update_size(pb,pos);
1797 static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
1799 int64_t pos = avio_tell(pb);
1801 int frame_duration = av_rescale(track->timescale, track->enc->time_base.num, track->enc->time_base.den);
1802 int nb_frames = 1.0/av_q2d(track->enc->time_base) + 0.5;
1803 AVDictionaryEntry *t = NULL;
1805 if (nb_frames > 255) {
1806 av_log(NULL, AV_LOG_ERROR, "fps %d is too large\n", nb_frames);
1807 return AVERROR(EINVAL);
1810 avio_wb32(pb, 0); /* size */
1811 ffio_wfourcc(pb, "tmcd"); /* Data format */
1812 avio_wb32(pb, 0); /* Reserved */
1813 avio_wb32(pb, 1); /* Data reference index */
1814 avio_wb32(pb, 0); /* Flags */
1815 avio_wb32(pb, track->timecode_flags); /* Flags (timecode) */
1816 avio_wb32(pb, track->timescale); /* Timescale */
1817 avio_wb32(pb, frame_duration); /* Frame duration */
1818 avio_w8(pb, nb_frames); /* Number of frames */
1819 avio_w8(pb, 0); /* Reserved */
1822 t = av_dict_get(track->st->metadata, "reel_name", NULL, 0);
1824 if (t && utf8len(t->value))
1825 mov_write_source_reference_tag(pb, track, t->value);
1827 avio_wb16(pb, 0); /* zero size */
1830 avio_wb32(pb, 0); /* size */
1831 ffio_wfourcc(pb, "tmcd"); /* Data format */
1832 avio_wb32(pb, 0); /* Reserved */
1833 avio_wb32(pb, 1); /* Data reference index */
1834 if (track->enc->extradata_size)
1835 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
1837 return update_size(pb, pos);
1840 static int mov_write_stsd_tag(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
1842 int64_t pos = avio_tell(pb);
1843 avio_wb32(pb, 0); /* size */
1844 ffio_wfourcc(pb, "stsd");
1845 avio_wb32(pb, 0); /* version & flags */
1846 avio_wb32(pb, 1); /* entry count */
1847 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1848 mov_write_video_tag(pb, mov, track);
1849 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1850 mov_write_audio_tag(pb, track);
1851 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
1852 mov_write_subtitle_tag(pb, track);
1853 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
1854 mov_write_rtp_tag(pb, track);
1855 else if (track->enc->codec_tag == MKTAG('t','m','c','d'))
1856 mov_write_tmcd_tag(pb, track);
1857 return update_size(pb, pos);
1860 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
1862 MOVStts *ctts_entries;
1863 uint32_t entries = 0;
1867 ctts_entries = av_malloc_array((track->entry + 1), sizeof(*ctts_entries)); /* worst case */
1869 return AVERROR(ENOMEM);
1870 ctts_entries[0].count = 1;
1871 ctts_entries[0].duration = track->cluster[0].cts;
1872 for (i = 1; i < track->entry; i++) {
1873 if (track->cluster[i].cts == ctts_entries[entries].duration) {
1874 ctts_entries[entries].count++; /* compress */
1877 ctts_entries[entries].duration = track->cluster[i].cts;
1878 ctts_entries[entries].count = 1;
1881 entries++; /* last one */
1882 atom_size = 16 + (entries * 8);
1883 avio_wb32(pb, atom_size); /* size */
1884 ffio_wfourcc(pb, "ctts");
1885 avio_wb32(pb, 0); /* version & flags */
1886 avio_wb32(pb, entries); /* entry count */
1887 for (i = 0; i < entries; i++) {
1888 avio_wb32(pb, ctts_entries[i].count);
1889 avio_wb32(pb, ctts_entries[i].duration);
1891 av_free(ctts_entries);
1895 /* Time to sample atom */
1896 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
1898 MOVStts *stts_entries = NULL;
1899 uint32_t entries = -1;
1903 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
1904 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
1906 return AVERROR(ENOMEM);
1907 stts_entries[0].count = track->sample_count;
1908 stts_entries[0].duration = 1;
1912 stts_entries = av_malloc_array(track->entry, sizeof(*stts_entries)); /* worst case */
1914 return AVERROR(ENOMEM);
1916 for (i = 0; i < track->entry; i++) {
1917 int duration = get_cluster_duration(track, i);
1918 if (i && duration == stts_entries[entries].duration) {
1919 stts_entries[entries].count++; /* compress */
1922 stts_entries[entries].duration = duration;
1923 stts_entries[entries].count = 1;
1926 entries++; /* last one */
1928 atom_size = 16 + (entries * 8);
1929 avio_wb32(pb, atom_size); /* size */
1930 ffio_wfourcc(pb, "stts");
1931 avio_wb32(pb, 0); /* version & flags */
1932 avio_wb32(pb, entries); /* entry count */
1933 for (i = 0; i < entries; i++) {
1934 avio_wb32(pb, stts_entries[i].count);
1935 avio_wb32(pb, stts_entries[i].duration);
1937 av_free(stts_entries);
1941 static int mov_write_dref_tag(AVIOContext *pb)
1943 avio_wb32(pb, 28); /* size */
1944 ffio_wfourcc(pb, "dref");
1945 avio_wb32(pb, 0); /* version & flags */
1946 avio_wb32(pb, 1); /* entry count */
1948 avio_wb32(pb, 0xc); /* size */
1949 //FIXME add the alis and rsrc atom
1950 ffio_wfourcc(pb, "url ");
1951 avio_wb32(pb, 1); /* version & flags */
1956 static int mov_write_stbl_tag(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
1958 int64_t pos = avio_tell(pb);
1961 avio_wb32(pb, 0); /* size */
1962 ffio_wfourcc(pb, "stbl");
1963 mov_write_stsd_tag(pb, mov, track);
1964 mov_write_stts_tag(pb, track);
1965 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1966 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
1967 track->has_keyframes && track->has_keyframes < track->entry)
1968 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1969 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1970 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
1971 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1972 track->flags & MOV_TRACK_CTTS && track->entry) {
1974 if ((ret = mov_write_ctts_tag(pb, track)) < 0)
1977 mov_write_stsc_tag(pb, track);
1978 mov_write_stsz_tag(pb, track);
1979 mov_write_stco_tag(pb, track);
1980 return update_size(pb, pos);
1983 static int mov_write_dinf_tag(AVIOContext *pb)
1985 int64_t pos = avio_tell(pb);
1986 avio_wb32(pb, 0); /* size */
1987 ffio_wfourcc(pb, "dinf");
1988 mov_write_dref_tag(pb);
1989 return update_size(pb, pos);
1992 static int mov_write_nmhd_tag(AVIOContext *pb)
1995 ffio_wfourcc(pb, "nmhd");
2000 static int mov_write_tcmi_tag(AVIOContext *pb, MOVTrack *track)
2002 int64_t pos = avio_tell(pb);
2003 const char *font = "Lucida Grande";
2004 avio_wb32(pb, 0); /* size */
2005 ffio_wfourcc(pb, "tcmi"); /* timecode media information atom */
2006 avio_wb32(pb, 0); /* version & flags */
2007 avio_wb16(pb, 0); /* text font */
2008 avio_wb16(pb, 0); /* text face */
2009 avio_wb16(pb, 12); /* text size */
2010 avio_wb16(pb, 0); /* (unknown, not in the QT specs...) */
2011 avio_wb16(pb, 0x0000); /* text color (red) */
2012 avio_wb16(pb, 0x0000); /* text color (green) */
2013 avio_wb16(pb, 0x0000); /* text color (blue) */
2014 avio_wb16(pb, 0xffff); /* background color (red) */
2015 avio_wb16(pb, 0xffff); /* background color (green) */
2016 avio_wb16(pb, 0xffff); /* background color (blue) */
2017 avio_w8(pb, strlen(font)); /* font len (part of the pascal string) */
2018 avio_write(pb, font, strlen(font)); /* font name */
2019 return update_size(pb, pos);
2022 static int mov_write_gmhd_tag(AVIOContext *pb, MOVTrack *track)
2024 int64_t pos = avio_tell(pb);
2025 avio_wb32(pb, 0); /* size */
2026 ffio_wfourcc(pb, "gmhd");
2027 avio_wb32(pb, 0x18); /* gmin size */
2028 ffio_wfourcc(pb, "gmin");/* generic media info */
2029 avio_wb32(pb, 0); /* version & flags */
2030 avio_wb16(pb, 0x40); /* graphics mode = */
2031 avio_wb16(pb, 0x8000); /* opColor (r?) */
2032 avio_wb16(pb, 0x8000); /* opColor (g?) */
2033 avio_wb16(pb, 0x8000); /* opColor (b?) */
2034 avio_wb16(pb, 0); /* balance */
2035 avio_wb16(pb, 0); /* reserved */
2038 * This special text atom is required for
2039 * Apple Quicktime chapters. The contents
2040 * don't appear to be documented, so the
2041 * bytes are copied verbatim.
2043 if (track->tag != MKTAG('c','6','0','8')) {
2044 avio_wb32(pb, 0x2C); /* size */
2045 ffio_wfourcc(pb, "text");
2046 avio_wb16(pb, 0x01);
2047 avio_wb32(pb, 0x00);
2048 avio_wb32(pb, 0x00);
2049 avio_wb32(pb, 0x00);
2050 avio_wb32(pb, 0x01);
2051 avio_wb32(pb, 0x00);
2052 avio_wb32(pb, 0x00);
2053 avio_wb32(pb, 0x00);
2054 avio_wb32(pb, 0x00004000);
2055 avio_wb16(pb, 0x0000);
2058 if (track->enc->codec_tag == MKTAG('t','m','c','d')) {
2059 int64_t tmcd_pos = avio_tell(pb);
2060 avio_wb32(pb, 0); /* size */
2061 ffio_wfourcc(pb, "tmcd");
2062 mov_write_tcmi_tag(pb, track);
2063 update_size(pb, tmcd_pos);
2065 return update_size(pb, pos);
2068 static int mov_write_smhd_tag(AVIOContext *pb)
2070 avio_wb32(pb, 16); /* size */
2071 ffio_wfourcc(pb, "smhd");
2072 avio_wb32(pb, 0); /* version & flags */
2073 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
2074 avio_wb16(pb, 0); /* reserved */
2078 static int mov_write_vmhd_tag(AVIOContext *pb)
2080 avio_wb32(pb, 0x14); /* size (always 0x14) */
2081 ffio_wfourcc(pb, "vmhd");
2082 avio_wb32(pb, 0x01); /* version & flags */
2083 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
2087 static int is_clcp_track(MOVTrack *track)
2089 return track->tag == MKTAG('c','7','0','8') ||
2090 track->tag == MKTAG('c','6','0','8');
2093 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
2095 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
2096 int64_t pos = avio_tell(pb);
2100 descr = "DataHandler";
2103 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
2104 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2106 descr = "VideoHandler";
2107 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
2109 descr = "SoundHandler";
2110 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2111 if (is_clcp_track(track)) {
2113 descr = "ClosedCaptionHandler";
2115 if (track->tag == MKTAG('t','x','3','g')) {
2117 } else if (track->tag == MKTAG('m','p','4','s')) {
2122 descr = "SubtitleHandler";
2124 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
2126 descr = "HintHandler";
2127 } else if (track->enc->codec_tag == MKTAG('t','m','c','d')) {
2129 descr = "TimeCodeHandler";
2132 av_get_codec_tag_string(tag_buf, sizeof(tag_buf),
2133 track->enc->codec_tag);
2135 av_log(track->enc, AV_LOG_WARNING,
2136 "Unknown hldr_type for %s / 0x%04X, writing dummy values\n",
2137 tag_buf, track->enc->codec_tag);
2140 // hdlr.name is used by some players to identify the content title
2141 // of the track. So if an alternate handler description is
2142 // specified, use it.
2143 AVDictionaryEntry *t;
2144 t = av_dict_get(track->st->metadata, "handler", NULL, 0);
2145 if (t && utf8len(t->value))
2150 avio_wb32(pb, 0); /* size */
2151 ffio_wfourcc(pb, "hdlr");
2152 avio_wb32(pb, 0); /* Version & flags */
2153 avio_write(pb, hdlr, 4); /* handler */
2154 ffio_wfourcc(pb, hdlr_type); /* handler type */
2155 avio_wb32(pb, 0); /* reserved */
2156 avio_wb32(pb, 0); /* reserved */
2157 avio_wb32(pb, 0); /* reserved */
2158 if (!track || track->mode == MODE_MOV)
2159 avio_w8(pb, strlen(descr)); /* pascal string */
2160 avio_write(pb, descr, strlen(descr)); /* handler description */
2161 if (track && track->mode != MODE_MOV)
2162 avio_w8(pb, 0); /* c string */
2163 return update_size(pb, pos);
2166 static int mov_write_hmhd_tag(AVIOContext *pb)
2168 /* This atom must be present, but leaving the values at zero
2169 * seems harmless. */
2170 avio_wb32(pb, 28); /* size */
2171 ffio_wfourcc(pb, "hmhd");
2172 avio_wb32(pb, 0); /* version, flags */
2173 avio_wb16(pb, 0); /* maxPDUsize */
2174 avio_wb16(pb, 0); /* avgPDUsize */
2175 avio_wb32(pb, 0); /* maxbitrate */
2176 avio_wb32(pb, 0); /* avgbitrate */
2177 avio_wb32(pb, 0); /* reserved */
2181 static int mov_write_minf_tag(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2183 int64_t pos = avio_tell(pb);
2186 avio_wb32(pb, 0); /* size */
2187 ffio_wfourcc(pb, "minf");
2188 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
2189 mov_write_vmhd_tag(pb);
2190 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
2191 mov_write_smhd_tag(pb);
2192 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2193 if (track->tag == MKTAG('t','e','x','t') || is_clcp_track(track)) {
2194 mov_write_gmhd_tag(pb, track);
2196 mov_write_nmhd_tag(pb);
2198 } else if (track->tag == MKTAG('r','t','p',' ')) {
2199 mov_write_hmhd_tag(pb);
2200 } else if (track->tag == MKTAG('t','m','c','d')) {
2201 mov_write_gmhd_tag(pb, track);
2203 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
2204 mov_write_hdlr_tag(pb, NULL);
2205 mov_write_dinf_tag(pb);
2206 if ((ret = mov_write_stbl_tag(pb, mov, track)) < 0)
2208 return update_size(pb, pos);
2211 static int mov_write_mdhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2214 int version = track->track_duration < INT32_MAX ? 0 : 1;
2216 if (track->mode == MODE_ISM)
2219 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
2220 ffio_wfourcc(pb, "mdhd");
2221 avio_w8(pb, version);
2222 avio_wb24(pb, 0); /* flags */
2224 avio_wb64(pb, track->time);
2225 avio_wb64(pb, track->time);
2227 avio_wb32(pb, track->time); /* creation time */
2228 avio_wb32(pb, track->time); /* modification time */
2230 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
2231 if (!track->entry && mov->mode == MODE_ISM)
2232 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2233 else if (!track->entry)
2234 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2236 (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
2237 avio_wb16(pb, track->language); /* language */
2238 avio_wb16(pb, 0); /* reserved (quality) */
2240 if (version != 0 && track->mode == MODE_MOV) {
2241 av_log(NULL, AV_LOG_ERROR,
2242 "FATAL error, file duration too long for timebase, this file will not be\n"
2243 "playable with quicktime. Choose a different timebase or a different\n"
2244 "container format\n");
2250 static int mov_write_mdia_tag(AVIOContext *pb, MOVMuxContext *mov,
2253 int64_t pos = avio_tell(pb);
2256 avio_wb32(pb, 0); /* size */
2257 ffio_wfourcc(pb, "mdia");
2258 mov_write_mdhd_tag(pb, mov, track);
2259 mov_write_hdlr_tag(pb, track);
2260 if ((ret = mov_write_minf_tag(pb, mov, track)) < 0)
2262 return update_size(pb, pos);
2265 /* transformation matrix
2269 static void write_matrix(AVIOContext *pb, int16_t a, int16_t b, int16_t c,
2270 int16_t d, int16_t tx, int16_t ty)
2272 avio_wb32(pb, a << 16); /* 16.16 format */
2273 avio_wb32(pb, b << 16); /* 16.16 format */
2274 avio_wb32(pb, 0); /* u in 2.30 format */
2275 avio_wb32(pb, c << 16); /* 16.16 format */
2276 avio_wb32(pb, d << 16); /* 16.16 format */
2277 avio_wb32(pb, 0); /* v in 2.30 format */
2278 avio_wb32(pb, tx << 16); /* 16.16 format */
2279 avio_wb32(pb, ty << 16); /* 16.16 format */
2280 avio_wb32(pb, 1 << 30); /* w in 2.30 format */
2283 static int mov_write_tkhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2284 MOVTrack *track, AVStream *st)
2286 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
2287 track->timescale, AV_ROUND_UP);
2288 int version = duration < INT32_MAX ? 0 : 1;
2289 int flags = MOV_TKHD_FLAG_IN_MOVIE;
2295 if (mov->per_stream_grouping)
2298 group = st->codec->codec_type;
2301 if (track->flags & MOV_TRACK_ENABLED)
2302 flags |= MOV_TKHD_FLAG_ENABLED;
2304 if (track->mode == MODE_ISM)
2307 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
2308 ffio_wfourcc(pb, "tkhd");
2309 avio_w8(pb, version);
2310 avio_wb24(pb, flags);
2312 avio_wb64(pb, track->time);
2313 avio_wb64(pb, track->time);
2315 avio_wb32(pb, track->time); /* creation time */
2316 avio_wb32(pb, track->time); /* modification time */
2318 avio_wb32(pb, track->track_id); /* track-id */
2319 avio_wb32(pb, 0); /* reserved */
2320 if (!track->entry && mov->mode == MODE_ISM)
2321 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2322 else if (!track->entry)
2323 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2325 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
2327 avio_wb32(pb, 0); /* reserved */
2328 avio_wb32(pb, 0); /* reserved */
2329 avio_wb16(pb, 0); /* layer */
2330 avio_wb16(pb, group); /* alternate group) */
2331 /* Volume, only for audio */
2332 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
2333 avio_wb16(pb, 0x0100);
2336 avio_wb16(pb, 0); /* reserved */
2338 /* Matrix structure */
2339 if (st && st->metadata) {
2340 AVDictionaryEntry *rot = av_dict_get(st->metadata, "rotate", NULL, 0);
2341 rotation = (rot && rot->value) ? atoi(rot->value) : 0;
2343 if (rotation == 90) {
2344 write_matrix(pb, 0, 1, -1, 0, track->enc->height, 0);
2345 } else if (rotation == 180) {
2346 write_matrix(pb, -1, 0, 0, -1, track->enc->width, track->enc->height);
2347 } else if (rotation == 270) {
2348 write_matrix(pb, 0, -1, 1, 0, 0, track->enc->width);
2350 write_matrix(pb, 1, 0, 0, 1, 0, 0);
2352 /* Track width and height, for visual only */
2353 if (st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
2354 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
2355 if (track->mode == MODE_MOV) {
2356 avio_wb32(pb, track->enc->width << 16);
2357 avio_wb32(pb, track->height << 16);
2359 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
2360 if (!sample_aspect_ratio || track->height != track->enc->height)
2361 sample_aspect_ratio = 1;
2362 avio_wb32(pb, sample_aspect_ratio * track->enc->width * 0x10000);
2363 avio_wb32(pb, track->height * 0x10000);
2372 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
2374 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
2375 track->enc->sample_aspect_ratio.den);
2377 int64_t pos = avio_tell(pb);
2379 avio_wb32(pb, 0); /* size */
2380 ffio_wfourcc(pb, "tapt");
2383 ffio_wfourcc(pb, "clef");
2385 avio_wb32(pb, width << 16);
2386 avio_wb32(pb, track->enc->height << 16);
2389 ffio_wfourcc(pb, "prof");
2391 avio_wb32(pb, width << 16);
2392 avio_wb32(pb, track->enc->height << 16);
2395 ffio_wfourcc(pb, "enof");
2397 avio_wb32(pb, track->enc->width << 16);
2398 avio_wb32(pb, track->enc->height << 16);
2400 return update_size(pb, pos);
2403 // This box seems important for the psp playback ... without it the movie seems to hang
2404 static int mov_write_edts_tag(AVIOContext *pb, MOVMuxContext *mov,
2407 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
2408 track->timescale, AV_ROUND_UP);
2409 int version = duration < INT32_MAX ? 0 : 1;
2410 int entry_size, entry_count, size;
2411 int64_t delay, start_ct = track->start_cts;
2412 int64_t start_dts = track->start_dts;
2415 if (start_dts != track->cluster[0].dts || start_ct != track->cluster[0].cts) {
2417 av_log(mov->fc, AV_LOG_DEBUG,
2418 "EDTS using dts:%"PRId64" cts:%d instead of dts:%"PRId64" cts:%"PRId64" tid:%d\n",
2419 track->cluster[0].dts, track->cluster[0].cts,
2420 start_dts, start_ct, track->track_id);
2421 start_dts = track->cluster[0].dts;
2422 start_ct = track->cluster[0].cts;
2426 delay = av_rescale_rnd(start_dts + start_ct, MOV_TIMESCALE,
2427 track->timescale, AV_ROUND_DOWN);
2428 version |= delay < INT32_MAX ? 0 : 1;
2430 entry_size = (version == 1) ? 20 : 12;
2431 entry_count = 1 + (delay > 0);
2432 size = 24 + entry_count * entry_size;
2434 /* write the atom data */
2435 avio_wb32(pb, size);
2436 ffio_wfourcc(pb, "edts");
2437 avio_wb32(pb, size - 8);
2438 ffio_wfourcc(pb, "elst");
2439 avio_w8(pb, version);
2440 avio_wb24(pb, 0); /* flags */
2442 avio_wb32(pb, entry_count);
2443 if (delay > 0) { /* add an empty edit to delay presentation */
2444 /* In the positive delay case, the delay includes the cts
2445 * offset, and the second edit list entry below trims out
2446 * the same amount from the actual content. This makes sure
2447 * that the offsetted last sample is included in the edit
2448 * list duration as well. */
2450 avio_wb64(pb, delay);
2453 avio_wb32(pb, delay);
2456 avio_wb32(pb, 0x00010000);
2458 /* Avoid accidentally ending up with start_ct = -1 which has got a
2459 * special meaning. Normally start_ct should end up positive or zero
2460 * here, but use FFMIN in case dts is a a small positive integer
2461 * rounded to 0 when represented in MOV_TIMESCALE units. */
2462 av_assert0(av_rescale_rnd(start_dts, MOV_TIMESCALE, track->timescale, AV_ROUND_DOWN) <= 0);
2463 start_ct = -FFMIN(start_dts, 0);
2464 /* Note, this delay is calculated from the pts of the first sample,
2465 * ensuring that we don't reduce the duration for cases with
2470 /* For fragmented files, we don't know the full length yet. Setting
2471 * duration to 0 allows us to only specify the offset, including
2472 * the rest of the content (from all future fragments) without specifying
2473 * an explicit duration. */
2474 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
2479 avio_wb64(pb, duration);
2480 avio_wb64(pb, start_ct);
2482 avio_wb32(pb, duration);
2483 avio_wb32(pb, start_ct);
2485 avio_wb32(pb, 0x00010000);
2489 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
2491 avio_wb32(pb, 20); // size
2492 ffio_wfourcc(pb, "tref");
2493 avio_wb32(pb, 12); // size (subatom)
2494 avio_wl32(pb, track->tref_tag);
2495 avio_wb32(pb, track->tref_id);
2499 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
2500 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
2502 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
2503 ffio_wfourcc(pb, "uuid");
2504 ffio_wfourcc(pb, "USMT");
2505 avio_wb32(pb, 0x21d24fce);
2506 avio_wb32(pb, 0xbb88695c);
2507 avio_wb32(pb, 0xfac9c740);
2508 avio_wb32(pb, 0x1c); // another size here!
2509 ffio_wfourcc(pb, "MTDT");
2510 avio_wb32(pb, 0x00010012);
2511 avio_wb32(pb, 0x0a);
2512 avio_wb32(pb, 0x55c40000);
2518 static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
2520 AVFormatContext *ctx = track->rtp_ctx;
2521 char buf[1000] = "";
2524 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
2525 NULL, NULL, 0, 0, ctx);
2526 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
2529 avio_wb32(pb, len + 24);
2530 ffio_wfourcc(pb, "udta");
2531 avio_wb32(pb, len + 16);
2532 ffio_wfourcc(pb, "hnti");
2533 avio_wb32(pb, len + 8);
2534 ffio_wfourcc(pb, "sdp ");
2535 avio_write(pb, buf, len);
2539 static int mov_write_track_metadata(AVIOContext *pb, AVStream *st,
2540 const char *tag, const char *str)
2542 int64_t pos = avio_tell(pb);
2543 AVDictionaryEntry *t = av_dict_get(st->metadata, str, NULL, 0);
2544 if (!t || !utf8len(t->value))
2547 avio_wb32(pb, 0); /* size */
2548 ffio_wfourcc(pb, tag); /* type */
2549 avio_write(pb, t->value, strlen(t->value)); /* UTF8 string value */
2550 return update_size(pb, pos);
2553 static int mov_write_track_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
2556 AVIOContext *pb_buf;
2560 if (!st || mov->fc->flags & AVFMT_FLAG_BITEXACT)
2563 ret = avio_open_dyn_buf(&pb_buf);
2567 if (mov->mode & MODE_MP4)
2568 mov_write_track_metadata(pb_buf, st, "name", "title");
2570 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
2571 avio_wb32(pb, size + 8);
2572 ffio_wfourcc(pb, "udta");
2573 avio_write(pb, buf, size);
2580 static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov,
2581 MOVTrack *track, AVStream *st)
2583 int64_t pos = avio_tell(pb);
2584 int entry_backup = track->entry;
2585 int chunk_backup = track->chunkCount;
2588 /* If we want to have an empty moov, but some samples already have been
2589 * buffered (delay_moov), pretend that no samples have been written yet. */
2590 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV)
2591 track->chunkCount = track->entry = 0;
2593 avio_wb32(pb, 0); /* size */
2594 ffio_wfourcc(pb, "trak");
2595 mov_write_tkhd_tag(pb, mov, track, st);
2597 av_assert2(mov->use_editlist >= 0);
2599 if (track->start_dts != AV_NOPTS_VALUE) {
2600 if (mov->use_editlist)
2601 mov_write_edts_tag(pb, mov, track); // PSP Movies and several other cases require edts box
2602 else if ((track->entry && track->cluster[0].dts) || track->mode == MODE_PSP || is_clcp_track(track))
2603 av_log(mov->fc, AV_LOG_WARNING,
2604 "Not writing any edit list even though one would have been required\n");
2607 if (track->tref_tag)
2608 mov_write_tref_tag(pb, track);
2610 if ((ret = mov_write_mdia_tag(pb, mov, track)) < 0)
2612 if (track->mode == MODE_PSP)
2613 mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box
2614 if (track->tag == MKTAG('r','t','p',' '))
2615 mov_write_udta_sdp(pb, track);
2616 if (track->mode == MODE_MOV) {
2617 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2618 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
2619 if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio) {
2620 mov_write_tapt_tag(pb, track);
2623 if (is_clcp_track(track) && st->sample_aspect_ratio.num) {
2624 mov_write_tapt_tag(pb, track);
2627 mov_write_track_udta_tag(pb, mov, st);
2628 track->entry = entry_backup;
2629 track->chunkCount = chunk_backup;
2630 return update_size(pb, pos);
2633 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
2635 int i, has_audio = 0, has_video = 0;
2636 int64_t pos = avio_tell(pb);
2637 int audio_profile = mov->iods_audio_profile;
2638 int video_profile = mov->iods_video_profile;
2639 for (i = 0; i < mov->nb_streams; i++) {
2640 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
2641 has_audio |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_AUDIO;
2642 has_video |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_VIDEO;
2645 if (audio_profile < 0)
2646 audio_profile = 0xFF - has_audio;
2647 if (video_profile < 0)
2648 video_profile = 0xFF - has_video;
2649 avio_wb32(pb, 0x0); /* size */
2650 ffio_wfourcc(pb, "iods");
2651 avio_wb32(pb, 0); /* version & flags */
2652 put_descr(pb, 0x10, 7);
2653 avio_wb16(pb, 0x004f);
2656 avio_w8(pb, audio_profile);
2657 avio_w8(pb, video_profile);
2659 return update_size(pb, pos);
2662 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
2664 avio_wb32(pb, 0x20); /* size */
2665 ffio_wfourcc(pb, "trex");
2666 avio_wb32(pb, 0); /* version & flags */
2667 avio_wb32(pb, track->track_id); /* track ID */
2668 avio_wb32(pb, 1); /* default sample description index */
2669 avio_wb32(pb, 0); /* default sample duration */
2670 avio_wb32(pb, 0); /* default sample size */
2671 avio_wb32(pb, 0); /* default sample flags */
2675 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
2677 int64_t pos = avio_tell(pb);
2679 avio_wb32(pb, 0x0); /* size */
2680 ffio_wfourcc(pb, "mvex");
2681 for (i = 0; i < mov->nb_streams; i++)
2682 mov_write_trex_tag(pb, &mov->tracks[i]);
2683 return update_size(pb, pos);
2686 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
2688 int max_track_id = 1, i;
2689 int64_t max_track_len = 0;
2692 for (i = 0; i < mov->nb_streams; i++) {
2693 if (mov->tracks[i].entry > 0 && mov->tracks[i].timescale) {
2694 int64_t max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
2696 mov->tracks[i].timescale,
2698 if (max_track_len < max_track_len_temp)
2699 max_track_len = max_track_len_temp;
2700 if (max_track_id < mov->tracks[i].track_id)
2701 max_track_id = mov->tracks[i].track_id;
2704 /* If using delay_moov, make sure the output is the same as if no
2705 * samples had been written yet. */
2706 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
2711 version = max_track_len < UINT32_MAX ? 0 : 1;
2712 avio_wb32(pb, version == 1 ? 120 : 108); /* size */
2714 ffio_wfourcc(pb, "mvhd");
2715 avio_w8(pb, version);
2716 avio_wb24(pb, 0); /* flags */
2718 avio_wb64(pb, mov->time);
2719 avio_wb64(pb, mov->time);
2721 avio_wb32(pb, mov->time); /* creation time */
2722 avio_wb32(pb, mov->time); /* modification time */
2724 avio_wb32(pb, MOV_TIMESCALE);
2725 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
2727 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
2728 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
2729 avio_wb16(pb, 0); /* reserved */
2730 avio_wb32(pb, 0); /* reserved */
2731 avio_wb32(pb, 0); /* reserved */
2733 /* Matrix structure */
2734 write_matrix(pb, 1, 0, 0, 1, 0, 0);
2736 avio_wb32(pb, 0); /* reserved (preview time) */
2737 avio_wb32(pb, 0); /* reserved (preview duration) */
2738 avio_wb32(pb, 0); /* reserved (poster time) */
2739 avio_wb32(pb, 0); /* reserved (selection time) */
2740 avio_wb32(pb, 0); /* reserved (selection duration) */
2741 avio_wb32(pb, 0); /* reserved (current time) */
2742 avio_wb32(pb, max_track_id + 1); /* Next track id */
2746 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
2749 avio_wb32(pb, 33); /* size */
2750 ffio_wfourcc(pb, "hdlr");
2753 ffio_wfourcc(pb, "mdir");
2754 ffio_wfourcc(pb, "appl");
2761 /* helper function to write a data tag with the specified string as data */
2762 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
2765 int size = 16 + strlen(data);
2766 avio_wb32(pb, size); /* size */
2767 ffio_wfourcc(pb, "data");
2770 avio_write(pb, data, strlen(data));
2774 lang = ff_mov_iso639_to_lang("und", 1);
2775 avio_wb16(pb, strlen(data)); /* string length */
2776 avio_wb16(pb, lang);
2777 avio_write(pb, data, strlen(data));
2778 return strlen(data) + 4;
2782 static int mov_write_string_tag(AVIOContext *pb, const char *name,
2783 const char *value, int lang, int long_style)
2786 if (value && value[0]) {
2787 int64_t pos = avio_tell(pb);
2788 avio_wb32(pb, 0); /* size */
2789 ffio_wfourcc(pb, name);
2790 mov_write_string_data_tag(pb, value, lang, long_style);
2791 size = update_size(pb, pos);
2796 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
2797 const char *name, const char *tag,
2800 int l, lang = 0, len, len2;
2801 AVDictionaryEntry *t, *t2 = NULL;
2804 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
2807 len = strlen(t->key);
2808 snprintf(tag2, sizeof(tag2), "%s-", tag);
2809 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
2810 len2 = strlen(t2->key);
2811 if (len2 == len + 4 && !strcmp(t->value, t2->value)
2812 && (l = ff_mov_iso639_to_lang(&t2->key[len2 - 3], 1)) >= 0) {
2817 return mov_write_string_tag(pb, name, t->value, lang, long_style);
2820 /* iTunes bpm number */
2821 static int mov_write_tmpo_tag(AVIOContext *pb, AVFormatContext *s)
2823 AVDictionaryEntry *t = av_dict_get(s->metadata, "tmpo", NULL, 0);
2824 int size = 0, tmpo = t ? atoi(t->value) : 0;
2827 avio_wb32(pb, size);
2828 ffio_wfourcc(pb, "tmpo");
2829 avio_wb32(pb, size-8); /* size */
2830 ffio_wfourcc(pb, "data");
2831 avio_wb32(pb, 0x15); //type specifier
2833 avio_wb16(pb, tmpo); // data
2838 /* iTunes track or disc number */
2839 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
2840 AVFormatContext *s, int disc)
2842 AVDictionaryEntry *t = av_dict_get(s->metadata,
2843 disc ? "disc" : "track",
2845 int size = 0, track = t ? atoi(t->value) : 0;
2848 char *slash = strchr(t->value, '/');
2850 tracks = atoi(slash + 1);
2851 avio_wb32(pb, 32); /* size */
2852 ffio_wfourcc(pb, disc ? "disk" : "trkn");
2853 avio_wb32(pb, 24); /* size */
2854 ffio_wfourcc(pb, "data");
2855 avio_wb32(pb, 0); // 8 bytes empty
2857 avio_wb16(pb, 0); // empty
2858 avio_wb16(pb, track); // track / disc number
2859 avio_wb16(pb, tracks); // total track / disc number
2860 avio_wb16(pb, 0); // empty
2866 static int mov_write_int8_metadata(AVFormatContext *s, AVIOContext *pb,
2867 const char *name, const char *tag,
2870 AVDictionaryEntry *t = NULL;
2872 int size = 24 + len;
2874 if (len != 1 && len != 4)
2877 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
2879 num = atoi(t->value);
2881 avio_wb32(pb, size);
2882 ffio_wfourcc(pb, name);
2883 avio_wb32(pb, size - 8);
2884 ffio_wfourcc(pb, "data");
2885 avio_wb32(pb, 0x15);
2887 if (len==4) avio_wb32(pb, num);
2888 else avio_w8 (pb, num);
2893 /* iTunes meta data list */
2894 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
2897 int64_t pos = avio_tell(pb);
2898 avio_wb32(pb, 0); /* size */
2899 ffio_wfourcc(pb, "ilst");
2900 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
2901 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
2902 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
2903 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
2904 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
2905 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
2907 !mov_write_string_metadata(s, pb, "\251too", "encoding_tool", 1))
2908 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
2909 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
2910 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
2911 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
2912 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
2913 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
2914 mov_write_string_metadata(s, pb, "desc", "description",1);
2915 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
2916 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
2917 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
2918 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
2919 mov_write_int8_metadata (s, pb, "tves", "episode_sort",4);
2920 mov_write_int8_metadata (s, pb, "tvsn", "season_number",4);
2921 mov_write_int8_metadata (s, pb, "stik", "media_type",1);
2922 mov_write_int8_metadata (s, pb, "hdvd", "hd_video", 1);
2923 mov_write_int8_metadata (s, pb, "pgap", "gapless_playback",1);
2924 mov_write_int8_metadata (s, pb, "cpil", "compilation", 1);
2925 mov_write_trkn_tag(pb, mov, s, 0); // track number
2926 mov_write_trkn_tag(pb, mov, s, 1); // disc number
2927 mov_write_tmpo_tag(pb, s);
2928 return update_size(pb, pos);
2931 /* iTunes meta data tag */
2932 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
2936 int64_t pos = avio_tell(pb);
2937 avio_wb32(pb, 0); /* size */
2938 ffio_wfourcc(pb, "meta");
2940 mov_write_itunes_hdlr_tag(pb, mov, s);
2941 mov_write_ilst_tag(pb, mov, s);
2942 size = update_size(pb, pos);
2946 static int mov_write_raw_metadata_tag(AVFormatContext *s, AVIOContext *pb,
2947 const char *name, const char *key)
2950 AVDictionaryEntry *t;
2952 if (!(t = av_dict_get(s->metadata, key, NULL, 0)))
2955 len = strlen(t->value);
2958 avio_wb32(pb, size);
2959 ffio_wfourcc(pb, name);
2960 avio_write(pb, t->value, len);
2966 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
2970 GET_UTF8(val, *b++, return -1;)
2973 avio_wb16(pb, 0x00);
2977 static uint16_t language_code(const char *str)
2979 return (((str[0] - 0x60) & 0x1F) << 10) +
2980 (((str[1] - 0x60) & 0x1F) << 5) +
2981 (( str[2] - 0x60) & 0x1F);
2984 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
2985 const char *tag, const char *str)
2987 int64_t pos = avio_tell(pb);
2988 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
2989 if (!t || !utf8len(t->value))
2991 avio_wb32(pb, 0); /* size */
2992 ffio_wfourcc(pb, tag); /* type */
2993 avio_wb32(pb, 0); /* version + flags */
2994 if (!strcmp(tag, "yrrc"))
2995 avio_wb16(pb, atoi(t->value));
2997 avio_wb16(pb, language_code("eng")); /* language */
2998 avio_write(pb, t->value, strlen(t->value) + 1); /* UTF8 string value */
2999 if (!strcmp(tag, "albm") &&
3000 (t = av_dict_get(s->metadata, "track", NULL, 0)))
3001 avio_w8(pb, atoi(t->value));
3003 return update_size(pb, pos);
3006 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
3008 int64_t pos = avio_tell(pb);
3009 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
3011 avio_wb32(pb, 0); // size
3012 ffio_wfourcc(pb, "chpl");
3013 avio_wb32(pb, 0x01000000); // version + flags
3014 avio_wb32(pb, 0); // unknown
3015 avio_w8(pb, nb_chapters);
3017 for (i = 0; i < nb_chapters; i++) {
3018 AVChapter *c = s->chapters[i];
3019 AVDictionaryEntry *t;
3020 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
3022 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3023 int len = FFMIN(strlen(t->value), 255);
3025 avio_write(pb, t->value, len);
3029 return update_size(pb, pos);
3032 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
3035 AVIOContext *pb_buf;
3039 ret = avio_open_dyn_buf(&pb_buf);
3043 if (mov->mode & MODE_3GP) {
3044 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
3045 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
3046 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
3047 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
3048 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
3049 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
3050 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
3051 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
3052 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
3053 mov_write_string_metadata(s, pb_buf, "\251ART", "artist", 0);
3054 mov_write_string_metadata(s, pb_buf, "\251nam", "title", 0);
3055 mov_write_string_metadata(s, pb_buf, "\251aut", "author", 0);
3056 mov_write_string_metadata(s, pb_buf, "\251alb", "album", 0);
3057 mov_write_string_metadata(s, pb_buf, "\251day", "date", 0);
3058 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder", 0);
3059 // currently ignored by mov.c
3060 mov_write_string_metadata(s, pb_buf, "\251des", "comment", 0);
3061 // add support for libquicktime, this atom is also actually read by mov.c
3062 mov_write_string_metadata(s, pb_buf, "\251cmt", "comment", 0);
3063 mov_write_string_metadata(s, pb_buf, "\251gen", "genre", 0);
3064 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright", 0);
3065 mov_write_raw_metadata_tag(s, pb_buf, "XMP_", "xmp");
3067 /* iTunes meta data */
3068 mov_write_meta_tag(pb_buf, mov, s);
3071 if (s->nb_chapters && !(mov->flags & FF_MOV_FLAG_DISABLE_CHPL))
3072 mov_write_chpl_tag(pb_buf, s);
3074 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
3075 avio_wb32(pb, size + 8);
3076 ffio_wfourcc(pb, "udta");
3077 avio_write(pb, buf, size);
3084 static void mov_write_psp_udta_tag(AVIOContext *pb,
3085 const char *str, const char *lang, int type)
3087 int len = utf8len(str) + 1;
3090 avio_wb16(pb, len * 2 + 10); /* size */
3091 avio_wb32(pb, type); /* type */
3092 avio_wb16(pb, language_code(lang)); /* language */
3093 avio_wb16(pb, 0x01); /* ? */
3094 ascii_to_wc(pb, str);
3097 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
3099 MOVMuxContext *mov = s->priv_data;
3100 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
3104 pos = avio_tell(pb);
3105 avio_wb32(pb, 0); /* size placeholder*/
3106 ffio_wfourcc(pb, "uuid");
3107 ffio_wfourcc(pb, "USMT");
3108 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
3109 avio_wb32(pb, 0xbb88695c);
3110 avio_wb32(pb, 0xfac9c740);
3112 pos2 = avio_tell(pb);
3113 avio_wb32(pb, 0); /* size placeholder*/
3114 ffio_wfourcc(pb, "MTDT");
3118 avio_wb16(pb, 0x0C); /* size */
3119 avio_wb32(pb, 0x0B); /* type */
3120 avio_wb16(pb, language_code("und")); /* language */
3121 avio_wb16(pb, 0x0); /* ? */
3122 avio_wb16(pb, 0x021C); /* data */
3125 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
3126 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
3127 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
3129 update_size(pb, pos2);
3130 return update_size(pb, pos);
3136 static void build_chunks(MOVTrack *trk)
3139 MOVIentry *chunk = &trk->cluster[0];
3140 uint64_t chunkSize = chunk->size;
3141 chunk->chunkNum = 1;
3142 if (trk->chunkCount)
3144 trk->chunkCount = 1;
3145 for (i = 1; i<trk->entry; i++){
3146 if (chunk->pos + chunkSize == trk->cluster[i].pos &&
3147 chunkSize + trk->cluster[i].size < (1<<20)){
3148 chunkSize += trk->cluster[i].size;
3149 chunk->samples_in_chunk += trk->cluster[i].entries;
3151 trk->cluster[i].chunkNum = chunk->chunkNum+1;
3152 chunk=&trk->cluster[i];
3153 chunkSize = chunk->size;
3159 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
3163 int64_t pos = avio_tell(pb);
3164 avio_wb32(pb, 0); /* size placeholder*/
3165 ffio_wfourcc(pb, "moov");
3167 for (i = 0; i < mov->nb_streams; i++) {
3168 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
3171 mov->tracks[i].time = mov->time;
3172 mov->tracks[i].track_id = i + 1;
3174 if (mov->tracks[i].entry)
3175 build_chunks(&mov->tracks[i]);
3178 if (mov->chapter_track)
3179 for (i = 0; i < s->nb_streams; i++) {
3180 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
3181 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
3183 for (i = 0; i < mov->nb_streams; i++) {
3184 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
3185 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
3186 mov->tracks[i].tref_id =
3187 mov->tracks[mov->tracks[i].src_track].track_id;
3190 for (i = 0; i < mov->nb_streams; i++) {
3191 if (mov->tracks[i].tag == MKTAG('t','m','c','d')) {
3192 int src_trk = mov->tracks[i].src_track;
3193 mov->tracks[src_trk].tref_tag = mov->tracks[i].tag;
3194 mov->tracks[src_trk].tref_id = mov->tracks[i].track_id;
3195 //src_trk may have a different timescale than the tmcd track
3196 mov->tracks[i].track_duration = av_rescale(mov->tracks[src_trk].track_duration,
3197 mov->tracks[i].timescale,
3198 mov->tracks[src_trk].timescale);
3202 mov_write_mvhd_tag(pb, mov);
3203 if (mov->mode != MODE_MOV && !mov->iods_skip)
3204 mov_write_iods_tag(pb, mov);
3205 for (i = 0; i < mov->nb_streams; i++) {
3206 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
3207 int ret = mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
3212 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
3213 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
3215 if (mov->mode == MODE_PSP)
3216 mov_write_uuidusmt_tag(pb, s);
3218 mov_write_udta_tag(pb, mov, s);
3220 return update_size(pb, pos);
3223 static void param_write_int(AVIOContext *pb, const char *name, int value)
3225 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
3228 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
3230 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
3233 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
3236 len = FFMIN(sizeof(buf) / 2 - 1, len);
3237 ff_data_to_hex(buf, value, len, 0);
3238 buf[2 * len] = '\0';
3239 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
3242 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov)
3244 int64_t pos = avio_tell(pb);
3246 static const uint8_t uuid[] = {
3247 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
3248 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
3252 ffio_wfourcc(pb, "uuid");
3253 avio_write(pb, uuid, sizeof(uuid));
3256 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
3257 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
3258 avio_printf(pb, "<head>\n");
3260 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
3262 avio_printf(pb, "</head>\n");
3263 avio_printf(pb, "<body>\n");
3264 avio_printf(pb, "<switch>\n");
3265 for (i = 0; i < mov->nb_streams; i++) {
3266 MOVTrack *track = &mov->tracks[i];
3268 /* track->track_id is initialized in write_moov, and thus isn't known
3270 int track_id = i + 1;
3272 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
3274 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
3279 avio_printf(pb, "<%s systemBitrate=\"%d\">\n", type,
3280 track->enc->bit_rate);
3281 param_write_int(pb, "systemBitrate", track->enc->bit_rate);
3282 param_write_int(pb, "trackID", track_id);
3283 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
3284 if (track->enc->codec_id == AV_CODEC_ID_H264) {
3286 int size = track->enc->extradata_size;
3287 if (!ff_avc_write_annexb_extradata(track->enc->extradata, &ptr,
3289 param_write_hex(pb, "CodecPrivateData",
3290 ptr ? ptr : track->enc->extradata,
3294 param_write_string(pb, "FourCC", "H264");
3295 } else if (track->enc->codec_id == AV_CODEC_ID_VC1) {
3296 param_write_string(pb, "FourCC", "WVC1");
3297 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
3298 track->enc->extradata_size);
3300 param_write_int(pb, "MaxWidth", track->enc->width);
3301 param_write_int(pb, "MaxHeight", track->enc->height);
3302 param_write_int(pb, "DisplayWidth", track->enc->width);
3303 param_write_int(pb, "DisplayHeight", track->enc->height);
3305 if (track->enc->codec_id == AV_CODEC_ID_AAC) {
3306 param_write_string(pb, "FourCC", "AACL");
3307 } else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO) {
3308 param_write_string(pb, "FourCC", "WMAP");
3310 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
3311 track->enc->extradata_size);
3312 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
3313 track->enc->codec_id));
3314 param_write_int(pb, "Channels", track->enc->channels);
3315 param_write_int(pb, "SamplingRate", track->enc->sample_rate);
3316 param_write_int(pb, "BitsPerSample", 16);
3317 param_write_int(pb, "PacketSize", track->enc->block_align ?
3318 track->enc->block_align : 4);
3320 avio_printf(pb, "</%s>\n", type);
3322 avio_printf(pb, "</switch>\n");
3323 avio_printf(pb, "</body>\n");
3324 avio_printf(pb, "</smil>\n");
3326 return update_size(pb, pos);
3329 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
3332 ffio_wfourcc(pb, "mfhd");
3334 avio_wb32(pb, mov->fragments);
3338 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
3340 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
3341 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
3344 static int mov_write_tfhd_tag(AVIOContext *pb, MOVMuxContext *mov,
3345 MOVTrack *track, int64_t moof_offset)
3347 int64_t pos = avio_tell(pb);
3348 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
3349 MOV_TFHD_BASE_DATA_OFFSET;
3350 if (!track->entry) {
3351 flags |= MOV_TFHD_DURATION_IS_EMPTY;
3353 flags |= MOV_TFHD_DEFAULT_FLAGS;
3355 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET)
3356 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
3357 if (mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) {
3358 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
3359 flags |= MOV_TFHD_DEFAULT_BASE_IS_MOOF;
3362 /* Don't set a default sample size, the silverlight player refuses
3363 * to play files with that set. Don't set a default sample duration,
3364 * WMP freaks out if it is set. Don't set a base data offset, PIFF
3365 * file format says it MUST NOT be set. */
3366 if (track->mode == MODE_ISM)
3367 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
3368 MOV_TFHD_BASE_DATA_OFFSET);
3370 avio_wb32(pb, 0); /* size placeholder */
3371 ffio_wfourcc(pb, "tfhd");
3372 avio_w8(pb, 0); /* version */
3373 avio_wb24(pb, flags);
3375 avio_wb32(pb, track->track_id); /* track-id */
3376 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
3377 avio_wb64(pb, moof_offset);
3378 if (flags & MOV_TFHD_DEFAULT_DURATION) {
3379 track->default_duration = get_cluster_duration(track, 0);
3380 avio_wb32(pb, track->default_duration);
3382 if (flags & MOV_TFHD_DEFAULT_SIZE) {
3383 track->default_size = track->entry ? track->cluster[0].size : 1;
3384 avio_wb32(pb, track->default_size);
3386 track->default_size = -1;
3388 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
3389 /* Set the default flags based on the second sample, if available.
3390 * If the first sample is different, that can be signaled via a separate field. */
3391 if (track->entry > 1)
3392 track->default_sample_flags = get_sample_flags(track, &track->cluster[1]);
3394 track->default_sample_flags =
3395 track->enc->codec_type == AVMEDIA_TYPE_VIDEO ?
3396 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
3397 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
3398 avio_wb32(pb, track->default_sample_flags);
3401 return update_size(pb, pos);
3404 static int mov_write_trun_tag(AVIOContext *pb, MOVMuxContext *mov,
3405 MOVTrack *track, int moof_size)
3407 int64_t pos = avio_tell(pb);
3408 uint32_t flags = MOV_TRUN_DATA_OFFSET;
3411 for (i = 0; i < track->entry; i++) {
3412 if (get_cluster_duration(track, i) != track->default_duration)
3413 flags |= MOV_TRUN_SAMPLE_DURATION;
3414 if (track->cluster[i].size != track->default_size)
3415 flags |= MOV_TRUN_SAMPLE_SIZE;
3416 if (i > 0 && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
3417 flags |= MOV_TRUN_SAMPLE_FLAGS;
3419 if (!(flags & MOV_TRUN_SAMPLE_FLAGS) && track->entry > 0 &&
3420 get_sample_flags(track, &track->cluster[0]) != track->default_sample_flags)
3421 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
3422 if (track->flags & MOV_TRACK_CTTS)
3423 flags |= MOV_TRUN_SAMPLE_CTS;
3425 avio_wb32(pb, 0); /* size placeholder */
3426 ffio_wfourcc(pb, "trun");
3427 avio_w8(pb, 0); /* version */
3428 avio_wb24(pb, flags);
3430 avio_wb32(pb, track->entry); /* sample count */
3431 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
3432 !(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) &&
3434 avio_wb32(pb, 0); /* Later tracks follow immediately after the previous one */
3436 avio_wb32(pb, moof_size + 8 + track->data_offset +
3437 track->cluster[0].pos); /* data offset */
3438 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
3439 avio_wb32(pb, get_sample_flags(track, &track->cluster[0]));
3441 for (i = 0; i < track->entry; i++) {
3442 if (flags & MOV_TRUN_SAMPLE_DURATION)
3443 avio_wb32(pb, get_cluster_duration(track, i));
3444 if (flags & MOV_TRUN_SAMPLE_SIZE)
3445 avio_wb32(pb, track->cluster[i].size);
3446 if (flags & MOV_TRUN_SAMPLE_FLAGS)
3447 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
3448 if (flags & MOV_TRUN_SAMPLE_CTS)
3449 avio_wb32(pb, track->cluster[i].cts);
3452 mov->first_trun = 0;
3453 return update_size(pb, pos);
3456 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
3458 int64_t pos = avio_tell(pb);
3459 static const uint8_t uuid[] = {
3460 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
3461 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
3464 avio_wb32(pb, 0); /* size placeholder */
3465 ffio_wfourcc(pb, "uuid");
3466 avio_write(pb, uuid, sizeof(uuid));
3469 avio_wb64(pb, track->frag_start);
3470 avio_wb64(pb, track->start_dts + track->track_duration -
3471 track->cluster[0].dts);
3473 return update_size(pb, pos);
3476 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
3477 MOVTrack *track, int entry)
3479 int n = track->nb_frag_info - 1 - entry, i;
3480 int size = 8 + 16 + 4 + 1 + 16*n;
3481 static const uint8_t uuid[] = {
3482 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
3483 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
3489 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
3490 avio_wb32(pb, size);
3491 ffio_wfourcc(pb, "uuid");
3492 avio_write(pb, uuid, sizeof(uuid));
3496 for (i = 0; i < n; i++) {
3497 int index = entry + 1 + i;
3498 avio_wb64(pb, track->frag_info[index].time);
3499 avio_wb64(pb, track->frag_info[index].duration);
3501 if (n < mov->ism_lookahead) {
3502 int free_size = 16 * (mov->ism_lookahead - n);
3503 avio_wb32(pb, free_size);
3504 ffio_wfourcc(pb, "free");
3505 ffio_fill(pb, 0, free_size - 8);
3511 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
3514 int64_t pos = avio_tell(pb);
3516 for (i = 0; i < mov->ism_lookahead; i++) {
3517 /* Update the tfrf tag for the last ism_lookahead fragments,
3518 * nb_frag_info - 1 is the next fragment to be written. */
3519 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
3521 avio_seek(pb, pos, SEEK_SET);
3525 static int mov_add_tfra_entries(AVIOContext *pb, MOVMuxContext *mov, int tracks,
3529 for (i = 0; i < mov->nb_streams; i++) {
3530 MOVTrack *track = &mov->tracks[i];
3531 MOVFragmentInfo *info;
3532 if ((tracks >= 0 && i != tracks) || !track->entry)
3534 track->nb_frag_info++;
3535 if (track->nb_frag_info >= track->frag_info_capacity) {
3536 unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT;
3537 if (av_reallocp_array(&track->frag_info,
3539 sizeof(*track->frag_info)))
3540 return AVERROR(ENOMEM);
3541 track->frag_info_capacity = new_capacity;
3543 info = &track->frag_info[track->nb_frag_info - 1];
3544 info->offset = avio_tell(pb);
3546 // Try to recreate the original pts for the first packet
3547 // from the fields we have stored
3548 info->time = track->start_dts + track->frag_start +
3549 track->cluster[0].cts;
3550 // If the pts is less than zero, we will have trimmed
3551 // away parts of the media track using an edit list,
3552 // and the corresponding start presentation time is zero.
3555 info->duration = track->start_dts + track->track_duration -
3556 track->cluster[0].dts;
3557 info->tfrf_offset = 0;
3558 mov_write_tfrf_tags(pb, mov, track);
3563 static int mov_write_tfdt_tag(AVIOContext *pb, MOVTrack *track)
3565 int64_t pos = avio_tell(pb);
3567 avio_wb32(pb, 0); /* size */
3568 ffio_wfourcc(pb, "tfdt");
3569 avio_w8(pb, 1); /* version */
3571 avio_wb64(pb, track->frag_start);
3572 return update_size(pb, pos);
3575 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
3576 MOVTrack *track, int64_t moof_offset,
3579 int64_t pos = avio_tell(pb);
3580 avio_wb32(pb, 0); /* size placeholder */
3581 ffio_wfourcc(pb, "traf");
3583 mov_write_tfhd_tag(pb, mov, track, moof_offset);
3584 if (mov->mode != MODE_ISM)
3585 mov_write_tfdt_tag(pb, track);
3586 mov_write_trun_tag(pb, mov, track, moof_size);
3587 if (mov->mode == MODE_ISM) {
3588 mov_write_tfxd_tag(pb, track);
3590 if (mov->ism_lookahead) {
3591 int i, size = 16 + 4 + 1 + 16 * mov->ism_lookahead;
3593 if (track->nb_frag_info > 0) {
3594 MOVFragmentInfo *info = &track->frag_info[track->nb_frag_info - 1];
3595 if (!info->tfrf_offset)
3596 info->tfrf_offset = avio_tell(pb);
3598 avio_wb32(pb, 8 + size);
3599 ffio_wfourcc(pb, "free");
3600 for (i = 0; i < size; i++)
3605 return update_size(pb, pos);
3608 static int mov_write_moof_tag_internal(AVIOContext *pb, MOVMuxContext *mov,
3609 int tracks, int moof_size)
3611 int64_t pos = avio_tell(pb);
3614 avio_wb32(pb, 0); /* size placeholder */
3615 ffio_wfourcc(pb, "moof");
3616 mov->first_trun = 1;
3618 mov_write_mfhd_tag(pb, mov);
3619 for (i = 0; i < mov->nb_streams; i++) {
3620 MOVTrack *track = &mov->tracks[i];
3621 if (tracks >= 0 && i != tracks)
3625 mov_write_traf_tag(pb, mov, track, pos, moof_size);
3628 return update_size(pb, pos);
3631 static int mov_write_sidx_tag(AVIOContext *pb,
3632 MOVTrack *track, int ref_size, int total_sidx_size)
3634 int64_t pos = avio_tell(pb), offset_pos, end_pos;
3635 int64_t presentation_time, duration, offset;
3636 int starts_with_SAP, i, entries;
3640 presentation_time = track->start_dts + track->frag_start +
3641 track->cluster[0].cts;
3642 duration = track->start_dts + track->track_duration -
3643 track->cluster[0].dts;
3644 starts_with_SAP = track->cluster[0].flags & MOV_SYNC_SAMPLE;
3646 entries = track->nb_frag_info;
3647 presentation_time = track->frag_info[0].time;
3650 // pts<0 should be cut away using edts
3651 if (presentation_time < 0)
3652 presentation_time = 0;
3654 avio_wb32(pb, 0); /* size */
3655 ffio_wfourcc(pb, "sidx");
3656 avio_w8(pb, 1); /* version */
3658 avio_wb32(pb, track->track_id); /* reference_ID */
3659 avio_wb32(pb, track->timescale); /* timescale */
3660 avio_wb64(pb, presentation_time); /* earliest_presentation_time */
3661 offset_pos = avio_tell(pb);
3662 avio_wb64(pb, 0); /* first_offset (offset to referenced moof) */
3663 avio_wb16(pb, 0); /* reserved */
3665 avio_wb16(pb, entries); /* reference_count */
3666 for (i = 0; i < entries; i++) {
3667 if (!track->entry) {
3668 if (i > 1 && track->frag_info[i].offset != track->frag_info[i - 1].offset + track->frag_info[i - 1].size) {
3669 av_log(NULL, AV_LOG_ERROR, "Non-consecutive fragments, writing incorrect sidx\n");
3671 duration = track->frag_info[i].duration;
3672 ref_size = track->frag_info[i].size;
3673 starts_with_SAP = 1;
3675 avio_wb32(pb, (0 << 31) | (ref_size & 0x7fffffff)); /* reference_type (0 = media) | referenced_size */
3676 avio_wb32(pb, duration); /* subsegment_duration */
3677 avio_wb32(pb, (starts_with_SAP << 31) | (0 << 28) | 0); /* starts_with_SAP | SAP_type | SAP_delta_time */
3680 end_pos = avio_tell(pb);
3681 offset = pos + total_sidx_size - end_pos;
3682 avio_seek(pb, offset_pos, SEEK_SET);
3683 avio_wb64(pb, offset);
3684 avio_seek(pb, end_pos, SEEK_SET);
3685 return update_size(pb, pos);
3688 static int mov_write_sidx_tags(AVIOContext *pb, MOVMuxContext *mov,
3689 int tracks, int ref_size)
3692 AVIOContext *avio_buf;
3694 for (round = 0; round < 2; round++) {
3695 // First run one round to calculate the total size of all
3697 // This would be much simpler if we'd only write one sidx
3698 // atom, for the first track in the moof.
3700 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
3705 for (i = 0; i < mov->nb_streams; i++) {
3706 MOVTrack *track = &mov->tracks[i];
3707 if (tracks >= 0 && i != tracks)
3709 // When writing a sidx for the full file, entry is 0, but
3710 // we want to include all tracks. ref_size is 0 in this case,
3711 // since we read it from frag_info instead.
3712 if (!track->entry && ref_size > 0)
3714 total_size -= mov_write_sidx_tag(avio_buf, track, ref_size,
3718 total_size = ffio_close_null_buf(avio_buf);
3723 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks,
3726 AVIOContext *avio_buf;
3729 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
3731 mov_write_moof_tag_internal(avio_buf, mov, tracks, 0);
3732 moof_size = ffio_close_null_buf(avio_buf);
3734 if (mov->flags & FF_MOV_FLAG_DASH && !(mov->flags & FF_MOV_FLAG_FASTSTART))
3735 mov_write_sidx_tags(pb, mov, tracks, moof_size + 8 + mdat_size);
3737 if ((ret = mov_add_tfra_entries(pb, mov, tracks, moof_size + 8 + mdat_size)) < 0)
3740 return mov_write_moof_tag_internal(pb, mov, tracks, moof_size);
3743 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
3745 int64_t pos = avio_tell(pb);
3748 avio_wb32(pb, 0); /* size placeholder */
3749 ffio_wfourcc(pb, "tfra");
3750 avio_w8(pb, 1); /* version */
3753 avio_wb32(pb, track->track_id);
3754 avio_wb32(pb, 0); /* length of traf/trun/sample num */
3755 avio_wb32(pb, track->nb_frag_info);
3756 for (i = 0; i < track->nb_frag_info; i++) {
3757 avio_wb64(pb, track->frag_info[i].time);
3758 avio_wb64(pb, track->frag_info[i].offset + track->data_offset);
3759 avio_w8(pb, 1); /* traf number */
3760 avio_w8(pb, 1); /* trun number */
3761 avio_w8(pb, 1); /* sample number */
3764 return update_size(pb, pos);
3767 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
3769 int64_t pos = avio_tell(pb);
3772 avio_wb32(pb, 0); /* size placeholder */
3773 ffio_wfourcc(pb, "mfra");
3774 /* An empty mfra atom is enough to indicate to the publishing point that
3775 * the stream has ended. */
3776 if (mov->flags & FF_MOV_FLAG_ISML)
3777 return update_size(pb, pos);
3779 for (i = 0; i < mov->nb_streams; i++) {
3780 MOVTrack *track = &mov->tracks[i];
3781 if (track->nb_frag_info)
3782 mov_write_tfra_tag(pb, track);
3786 ffio_wfourcc(pb, "mfro");
3787 avio_wb32(pb, 0); /* version + flags */
3788 avio_wb32(pb, avio_tell(pb) + 4 - pos);
3790 return update_size(pb, pos);
3793 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
3795 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
3796 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
3798 mov->mdat_pos = avio_tell(pb);
3799 avio_wb32(pb, 0); /* size placeholder*/
3800 ffio_wfourcc(pb, "mdat");
3804 /* TODO: This needs to be more general */
3805 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
3807 MOVMuxContext *mov = s->priv_data;
3808 int64_t pos = avio_tell(pb);
3809 int has_h264 = 0, has_video = 0;
3813 for (i = 0; i < s->nb_streams; i++) {
3814 AVStream *st = s->streams[i];
3815 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
3817 if (st->codec->codec_id == AV_CODEC_ID_H264)
3821 avio_wb32(pb, 0); /* size */
3822 ffio_wfourcc(pb, "ftyp");
3824 if (mov->major_brand && strlen(mov->major_brand) >= 4)
3825 ffio_wfourcc(pb, mov->major_brand);
3826 else if (mov->mode == MODE_3GP) {
3827 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
3828 minor = has_h264 ? 0x100 : 0x200;
3829 } else if (mov->mode & MODE_3G2) {
3830 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
3831 minor = has_h264 ? 0x20000 : 0x10000;
3832 } else if (mov->mode == MODE_PSP)
3833 ffio_wfourcc(pb, "MSNV");
3834 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
3835 ffio_wfourcc(pb, "iso5"); // Required when using default-base-is-moof
3836 else if (mov->mode == MODE_MP4)
3837 ffio_wfourcc(pb, "isom");
3838 else if (mov->mode == MODE_IPOD)
3839 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
3840 else if (mov->mode == MODE_ISM)
3841 ffio_wfourcc(pb, "isml");
3842 else if (mov->mode == MODE_F4V)
3843 ffio_wfourcc(pb, "f4v ");
3845 ffio_wfourcc(pb, "qt ");
3847 avio_wb32(pb, minor);
3849 if (mov->mode == MODE_MOV)
3850 ffio_wfourcc(pb, "qt ");
3851 else if (mov->mode == MODE_ISM) {
3852 ffio_wfourcc(pb, "piff");
3853 } else if (!(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)) {
3854 ffio_wfourcc(pb, "isom");
3855 ffio_wfourcc(pb, "iso2");
3857 ffio_wfourcc(pb, "avc1");
3860 // We add tfdt atoms when fragmenting, signal this with the iso6 compatible
3861 // brand. This is compatible with users that don't understand tfdt.
3862 if (mov->flags & FF_MOV_FLAG_FRAGMENT && mov->mode != MODE_ISM)
3863 ffio_wfourcc(pb, "iso6");
3865 if (mov->mode == MODE_3GP)
3866 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
3867 else if (mov->mode & MODE_3G2)
3868 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
3869 else if (mov->mode == MODE_PSP)
3870 ffio_wfourcc(pb, "MSNV");
3871 else if (mov->mode == MODE_MP4)
3872 ffio_wfourcc(pb, "mp41");
3874 if (mov->flags & FF_MOV_FLAG_DASH && mov->flags & FF_MOV_FLAG_FASTSTART)
3875 ffio_wfourcc(pb, "dash");
3877 return update_size(pb, pos);
3880 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
3882 AVStream *video_st = s->streams[0];
3883 AVCodecContext *video_codec = s->streams[0]->codec;
3884 AVCodecContext *audio_codec = s->streams[1]->codec;
3885 int audio_rate = audio_codec->sample_rate;
3886 // TODO: should be avg_frame_rate
3887 int frame_rate = ((video_st->time_base.den) * (0x10000)) / (video_st->time_base.num);
3888 int audio_kbitrate = audio_codec->bit_rate / 1000;
3889 int video_kbitrate = FFMIN(video_codec->bit_rate / 1000, 800 - audio_kbitrate);
3891 avio_wb32(pb, 0x94); /* size */
3892 ffio_wfourcc(pb, "uuid");
3893 ffio_wfourcc(pb, "PROF");
3895 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
3896 avio_wb32(pb, 0xbb88695c);
3897 avio_wb32(pb, 0xfac9c740);
3899 avio_wb32(pb, 0x0); /* ? */
3900 avio_wb32(pb, 0x3); /* 3 sections ? */
3902 avio_wb32(pb, 0x14); /* size */
3903 ffio_wfourcc(pb, "FPRF");
3904 avio_wb32(pb, 0x0); /* ? */
3905 avio_wb32(pb, 0x0); /* ? */
3906 avio_wb32(pb, 0x0); /* ? */
3908 avio_wb32(pb, 0x2c); /* size */
3909 ffio_wfourcc(pb, "APRF"); /* audio */
3911 avio_wb32(pb, 0x2); /* TrackID */
3912 ffio_wfourcc(pb, "mp4a");
3913 avio_wb32(pb, 0x20f);
3915 avio_wb32(pb, audio_kbitrate);
3916 avio_wb32(pb, audio_kbitrate);
3917 avio_wb32(pb, audio_rate);
3918 avio_wb32(pb, audio_codec->channels);
3920 avio_wb32(pb, 0x34); /* size */
3921 ffio_wfourcc(pb, "VPRF"); /* video */
3923 avio_wb32(pb, 0x1); /* TrackID */
3924 if (video_codec->codec_id == AV_CODEC_ID_H264) {
3925 ffio_wfourcc(pb, "avc1");
3926 avio_wb16(pb, 0x014D);
3927 avio_wb16(pb, 0x0015);
3929 ffio_wfourcc(pb, "mp4v");
3930 avio_wb16(pb, 0x0000);
3931 avio_wb16(pb, 0x0103);
3934 avio_wb32(pb, video_kbitrate);
3935 avio_wb32(pb, video_kbitrate);
3936 avio_wb32(pb, frame_rate);
3937 avio_wb32(pb, frame_rate);
3938 avio_wb16(pb, video_codec->width);
3939 avio_wb16(pb, video_codec->height);
3940 avio_wb32(pb, 0x010001); /* ? */
3943 static int mov_write_identification(AVIOContext *pb, AVFormatContext *s)
3945 MOVMuxContext *mov = s->priv_data;
3948 mov_write_ftyp_tag(pb,s);
3949 if (mov->mode == MODE_PSP) {
3950 int video_streams_nb = 0, audio_streams_nb = 0, other_streams_nb = 0;
3951 for (i = 0; i < s->nb_streams; i++) {
3952 AVStream *st = s->streams[i];
3953 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
3955 else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
3961 if (video_streams_nb != 1 || audio_streams_nb != 1 || other_streams_nb) {
3962 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
3963 return AVERROR(EINVAL);
3965 mov_write_uuidprof_tag(pb, s);
3970 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
3973 int i, closed_gop = 0;
3975 for (i = 0; i < pkt->size - 4; i++) {
3976 c = (c << 8) + pkt->data[i];
3977 if (c == 0x1b8) { // gop
3978 closed_gop = pkt->data[i + 4] >> 6 & 0x01;
3979 } else if (c == 0x100) { // pic
3980 int temp_ref = (pkt->data[i + 1] << 2) | (pkt->data[i + 2] >> 6);
3981 if (!temp_ref || closed_gop) // I picture is not reordered
3982 *flags = MOV_SYNC_SAMPLE;
3984 *flags = MOV_PARTIAL_SYNC_SAMPLE;
3991 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk)
3993 const uint8_t *start, *next, *end = pkt->data + pkt->size;
3994 int seq = 0, entry = 0;
3995 int key = pkt->flags & AV_PKT_FLAG_KEY;
3996 start = find_next_marker(pkt->data, end);
3997 for (next = start; next < end; start = next) {
3998 next = find_next_marker(start + 4, end);
3999 switch (AV_RB32(start)) {
4000 case VC1_CODE_SEQHDR:
4003 case VC1_CODE_ENTRYPOINT:
4006 case VC1_CODE_SLICE:
4007 trk->vc1_info.slices = 1;
4011 if (!trk->entry && trk->vc1_info.first_packet_seen)
4012 trk->vc1_info.first_frag_written = 1;
4013 if (!trk->entry && !trk->vc1_info.first_frag_written) {
4014 /* First packet in first fragment */
4015 trk->vc1_info.first_packet_seq = seq;
4016 trk->vc1_info.first_packet_entry = entry;
4017 trk->vc1_info.first_packet_seen = 1;
4018 } else if ((seq && !trk->vc1_info.packet_seq) ||
4019 (entry && !trk->vc1_info.packet_entry)) {
4021 for (i = 0; i < trk->entry; i++)
4022 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
4023 trk->has_keyframes = 0;
4025 trk->vc1_info.packet_seq = 1;
4027 trk->vc1_info.packet_entry = 1;
4028 if (!trk->vc1_info.first_frag_written) {
4029 /* First fragment */
4030 if ((!seq || trk->vc1_info.first_packet_seq) &&
4031 (!entry || trk->vc1_info.first_packet_entry)) {
4032 /* First packet had the same headers as this one, readd the
4033 * sync sample flag. */
4034 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
4035 trk->has_keyframes = 1;
4039 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
4041 else if (trk->vc1_info.packet_seq)
4043 else if (trk->vc1_info.packet_entry)
4046 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
4047 trk->has_keyframes++;
4051 static int mov_flush_fragment(AVFormatContext *s)
4053 MOVMuxContext *mov = s->priv_data;
4054 int i, first_track = -1;
4055 int64_t mdat_size = 0;
4058 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
4061 if (!mov->moov_written) {
4062 int64_t pos = avio_tell(s->pb);
4064 int buf_size, moov_size;
4066 for (i = 0; i < mov->nb_streams; i++)
4067 if (!mov->tracks[i].entry)
4069 /* Don't write the initial moov unless all tracks have data */
4070 if (i < mov->nb_streams)
4073 moov_size = get_moov_size(s);
4074 for (i = 0; i < mov->nb_streams; i++)
4075 mov->tracks[i].data_offset = pos + moov_size + 8;
4077 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
4078 mov_write_identification(s->pb, s);
4079 if ((ret = mov_write_moov_tag(s->pb, mov, s)) < 0)
4082 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV) {
4083 if (mov->flags & FF_MOV_FLAG_FASTSTART)
4084 mov->reserved_moov_pos = avio_tell(s->pb);
4086 mov->moov_written = 1;
4090 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
4091 mov->mdat_buf = NULL;
4092 avio_wb32(s->pb, buf_size + 8);
4093 ffio_wfourcc(s->pb, "mdat");
4094 avio_write(s->pb, buf, buf_size);
4097 mov->moov_written = 1;
4099 for (i = 0; i < mov->nb_streams; i++) {
4100 if (mov->tracks[i].entry)
4101 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
4102 mov->tracks[i].track_duration -
4103 mov->tracks[i].cluster[0].dts;
4104 mov->tracks[i].entry = 0;
4110 for (i = 0; i < mov->nb_streams; i++) {
4111 MOVTrack *track = &mov->tracks[i];
4112 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF)
4113 track->data_offset = 0;
4115 track->data_offset = mdat_size;
4116 if (!track->mdat_buf)
4118 mdat_size += avio_tell(track->mdat_buf);
4119 if (first_track < 0)
4126 for (i = 0; i < mov->nb_streams; i++) {
4127 MOVTrack *track = &mov->tracks[i];
4128 int buf_size, write_moof = 1, moof_tracks = -1;
4130 int64_t duration = 0;
4133 duration = track->start_dts + track->track_duration -
4134 track->cluster[0].dts;
4135 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
4136 if (!track->mdat_buf)
4138 mdat_size = avio_tell(track->mdat_buf);
4141 write_moof = i == first_track;
4147 mov_write_moof_tag(s->pb, mov, moof_tracks, mdat_size);
4150 avio_wb32(s->pb, mdat_size + 8);
4151 ffio_wfourcc(s->pb, "mdat");
4155 track->frag_start += duration;
4157 if (!track->mdat_buf)
4159 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
4160 track->mdat_buf = NULL;
4162 avio_write(s->pb, buf, buf_size);
4172 static int mov_auto_flush_fragment(AVFormatContext *s)
4174 MOVMuxContext *mov = s->priv_data;
4175 int had_moov = mov->moov_written;
4176 int ret = mov_flush_fragment(s);
4179 // If using delay_moov, the first flush only wrote the moov,
4180 // not the actual moof+mdat pair, thus flush once again.
4181 if (!had_moov && mov->flags & FF_MOV_FLAG_DELAY_MOOV)
4182 ret = mov_flush_fragment(s);
4186 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
4188 MOVMuxContext *mov = s->priv_data;
4189 AVIOContext *pb = s->pb;
4190 MOVTrack *trk = &mov->tracks[pkt->stream_index];
4191 AVCodecContext *enc = trk->enc;
4192 unsigned int samples_in_chunk = 0;
4193 int size = pkt->size, ret = 0;
4194 uint8_t *reformatted_data = NULL;
4197 int64_t duration = pkt->dts - trk->cluster[trk->entry - 1].dts;
4198 if (duration < 0 || duration > INT_MAX) {
4199 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" / timestamp: %"PRId64" is out of range for mov/mp4 format\n",
4203 pkt->dts = trk->cluster[trk->entry - 1].dts + 1;
4204 pkt->pts = AV_NOPTS_VALUE;
4206 if (pkt->duration < 0) {
4207 av_log(s, AV_LOG_ERROR, "Application provided duration: %d is invalid\n", pkt->duration);
4208 return AVERROR(EINVAL);
4211 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
4213 if (mov->moov_written || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
4214 if (!trk->mdat_buf) {
4215 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
4220 if (!mov->mdat_buf) {
4221 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
4228 if (enc->codec_id == AV_CODEC_ID_AMR_NB) {
4229 /* We must find out how many AMR blocks there are in one packet */
4230 static uint16_t packed_size[16] =
4231 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
4234 while (len < size && samples_in_chunk < 100) {
4235 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
4238 if (samples_in_chunk > 1) {
4239 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
4242 } else if (enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
4243 enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
4244 samples_in_chunk = enc->frame_size;
4245 } else if (trk->sample_size)
4246 samples_in_chunk = size / trk->sample_size;
4248 samples_in_chunk = 1;
4250 /* copy extradata if it exists */
4251 if (trk->vos_len == 0 && enc->extradata_size > 0 &&
4252 !TAG_IS_AVCI(trk->tag) &&
4253 (enc->codec_id != AV_CODEC_ID_DNXHD)) {
4254 trk->vos_len = enc->extradata_size;
4255 trk->vos_data = av_malloc(trk->vos_len);
4256 if (!trk->vos_data) {
4257 ret = AVERROR(ENOMEM);
4260 memcpy(trk->vos_data, enc->extradata, trk->vos_len);
4263 if (enc->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 &&
4264 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
4265 if (!s->streams[pkt->stream_index]->nb_frames) {
4266 av_log(s, AV_LOG_ERROR, "Malformed AAC bitstream detected: "
4267 "use the audio bitstream filter 'aac_adtstoasc' to fix it "
4268 "('-bsf:a aac_adtstoasc' option with ffmpeg)\n");
4271 av_log(s, AV_LOG_WARNING, "aac bitstream error\n");
4273 if (enc->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1 && !TAG_IS_AVCI(trk->tag)) {
4274 /* from x264 or from bytestream h264 */
4275 /* nal reformating needed */
4276 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
4277 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
4279 avio_write(pb, reformatted_data, size);
4281 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
4283 } else if (enc->codec_id == AV_CODEC_ID_HEVC && trk->vos_len > 6 &&
4284 (AV_RB24(trk->vos_data) == 1 || AV_RB32(trk->vos_data) == 1)) {
4285 /* extradata is Annex B, assume the bitstream is too and convert it */
4286 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
4287 ff_hevc_annexb2mp4_buf(pkt->data, &reformatted_data, &size, 0, NULL);
4288 avio_write(pb, reformatted_data, size);
4290 size = ff_hevc_annexb2mp4(pb, pkt->data, pkt->size, 0, NULL);
4292 #if CONFIG_AC3_PARSER
4293 } else if (enc->codec_id == AV_CODEC_ID_EAC3) {
4294 size = handle_eac3(mov, pkt, trk);
4299 avio_write(pb, pkt->data, size);
4302 avio_write(pb, pkt->data, size);
4305 if ((enc->codec_id == AV_CODEC_ID_DNXHD ||
4306 enc->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len) {
4307 /* copy frame to create needed atoms */
4308 trk->vos_len = size;
4309 trk->vos_data = av_malloc(size);
4310 if (!trk->vos_data) {
4311 ret = AVERROR(ENOMEM);
4314 memcpy(trk->vos_data, pkt->data, size);
4317 if (trk->entry >= trk->cluster_capacity) {
4318 unsigned new_capacity = 2 * (trk->entry + MOV_INDEX_CLUSTER_SIZE);
4319 if (av_reallocp_array(&trk->cluster, new_capacity,
4320 sizeof(*trk->cluster))) {
4321 ret = AVERROR(ENOMEM);
4324 trk->cluster_capacity = new_capacity;
4327 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
4328 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
4329 trk->cluster[trk->entry].chunkNum = 0;
4330 trk->cluster[trk->entry].size = size;
4331 trk->cluster[trk->entry].entries = samples_in_chunk;
4332 trk->cluster[trk->entry].dts = pkt->dts;
4333 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
4334 if (!trk->frag_discont) {
4335 /* First packet of a new fragment. We already wrote the duration
4336 * of the last packet of the previous fragment based on track_duration,
4337 * which might not exactly match our dts. Therefore adjust the dts
4338 * of this packet to be what the previous packets duration implies. */
4339 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
4340 /* We also may have written the pts and the corresponding duration
4341 * in sidx tags; make sure the sidx pts and duration match up with
4342 * the next fragment. This means the cts of the first sample must
4343 * be the same in all fragments. */
4344 pkt->pts = pkt->dts + trk->start_cts;
4346 /* New fragment, but discontinuous from previous fragments.
4347 * Pretend the duration sum of the earlier fragments is
4348 * pkt->dts - trk->start_dts. */
4349 trk->frag_start = pkt->dts - trk->start_dts;
4350 trk->frag_discont = 0;
4354 if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !mov->use_editlist &&
4355 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO) {
4356 /* Not using edit lists and shifting the first track to start from zero.
4357 * If the other streams start from a later timestamp, we won't be able
4358 * to signal the difference in starting time without an edit list.
4359 * Thus move the timestamp for this first sample to 0, increasing
4360 * its duration instead. */
4361 trk->cluster[trk->entry].dts = trk->start_dts = 0;
4363 if (trk->start_dts == AV_NOPTS_VALUE) {
4364 trk->start_dts = pkt->dts;
4365 if (trk->frag_discont) {
4366 /* Pretend the whole stream started at dts=0, with earlier fragments
4367 * already written, with a duration summing up to pkt->dts. */
4368 trk->frag_start = pkt->dts;
4370 trk->frag_discont = 0;
4371 } else if (pkt->dts && mov->moov_written)
4372 av_log(s, AV_LOG_WARNING,
4373 "Track %d starts with a nonzero dts %"PRId64", while the moov "
4374 "already has been written. Set the delay_moov flag to handle "
4376 pkt->stream_index, pkt->dts);
4378 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
4379 trk->last_sample_is_subtitle_end = 0;
4381 if (pkt->pts == AV_NOPTS_VALUE) {
4382 av_log(s, AV_LOG_WARNING, "pts has no value\n");
4383 pkt->pts = pkt->dts;
4385 if (pkt->dts != pkt->pts)
4386 trk->flags |= MOV_TRACK_CTTS;
4387 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
4388 trk->cluster[trk->entry].flags = 0;
4389 if (trk->start_cts == AV_NOPTS_VALUE)
4390 trk->start_cts = pkt->pts - pkt->dts;
4392 if (enc->codec_id == AV_CODEC_ID_VC1) {
4393 mov_parse_vc1_frame(pkt, trk);
4394 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
4395 if (mov->mode == MODE_MOV && enc->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
4396 trk->entry > 0) { // force sync sample for the first key frame
4397 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
4398 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
4399 trk->flags |= MOV_TRACK_STPS;
4401 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
4403 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
4404 trk->has_keyframes++;
4407 trk->sample_count += samples_in_chunk;
4408 mov->mdat_size += size;
4410 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
4411 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
4412 reformatted_data, size);
4417 av_free(reformatted_data);
4421 static int mov_write_single_packet(AVFormatContext *s, AVPacket *pkt)
4423 MOVMuxContext *mov = s->priv_data;
4424 MOVTrack *trk = &mov->tracks[pkt->stream_index];
4425 AVCodecContext *enc = trk->enc;
4426 int64_t frag_duration = 0;
4427 int size = pkt->size;
4430 return 0; /* Discard 0 sized packets */
4432 if (mov->flags & FF_MOV_FLAG_FRAG_DISCONT) {
4434 for (i = 0; i < s->nb_streams; i++)
4435 mov->tracks[i].frag_discont = 1;
4436 mov->flags &= ~FF_MOV_FLAG_FRAG_DISCONT;
4439 if (trk->entry && pkt->stream_index < s->nb_streams)
4440 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
4441 s->streams[pkt->stream_index]->time_base,
4443 if ((mov->max_fragment_duration &&
4444 frag_duration >= mov->max_fragment_duration) ||
4445 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
4446 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
4447 enc->codec_type == AVMEDIA_TYPE_VIDEO &&
4448 trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) {
4449 if (frag_duration >= mov->min_fragment_duration)
4450 mov_auto_flush_fragment(s);
4453 return ff_mov_write_packet(s, pkt);
4456 static int mov_write_subtitle_end_packet(AVFormatContext *s,
4460 uint8_t data[2] = {0};
4463 av_init_packet(&end);
4464 end.size = sizeof(data);
4469 end.stream_index = stream_index;
4471 ret = mov_write_single_packet(s, &end);
4472 av_free_packet(&end);
4477 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
4480 mov_flush_fragment(s);
4484 MOVMuxContext *mov = s->priv_data;
4486 if (!pkt->size) return 0; /* Discard 0 sized packets */
4489 * Subtitles require special handling.
4491 * 1) For full complaince, every track must have a sample at
4492 * dts == 0, which is rarely true for subtitles. So, as soon
4493 * as we see any packet with dts > 0, write an empty subtitle
4494 * at dts == 0 for any subtitle track with no samples in it.
4496 * 2) For each subtitle track, check if the current packet's
4497 * dts is past the duration of the last subtitle sample. If
4498 * so, we now need to write an end sample for that subtitle.
4500 * This must be done conditionally to allow for subtitles that
4501 * immediately replace each other, in which case an end sample
4502 * is not needed, and is, in fact, actively harmful.
4504 * 3) See mov_write_trailer for how the final end sample is
4507 for (i = 0; i < mov->nb_streams; i++) {
4508 MOVTrack *trk = &mov->tracks[i];
4511 if (trk->enc->codec_id == AV_CODEC_ID_MOV_TEXT &&
4512 trk->track_duration < pkt->dts &&
4513 (trk->entry == 0 || !trk->last_sample_is_subtitle_end)) {
4514 ret = mov_write_subtitle_end_packet(s, i, trk->track_duration);
4515 if (ret < 0) return ret;
4516 trk->last_sample_is_subtitle_end = 1;
4520 return mov_write_single_packet(s, pkt);
4524 // QuickTime chapters involve an additional text track with the chapter names
4525 // as samples, and a tref pointing from the other tracks to the chapter one.
4526 static int mov_create_chapter_track(AVFormatContext *s, int tracknum)
4530 MOVMuxContext *mov = s->priv_data;
4531 MOVTrack *track = &mov->tracks[tracknum];
4532 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
4535 track->mode = mov->mode;
4536 track->tag = MKTAG('t','e','x','t');
4537 track->timescale = MOV_TIMESCALE;
4538 track->enc = avcodec_alloc_context3(NULL);
4540 return AVERROR(ENOMEM);
4541 track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
4543 // These properties are required to make QT recognize the chapter track
4544 uint8_t chapter_properties[43] = { 0, 0, 0, 0, 0, 0, 0, 1, };
4545 if (ff_alloc_extradata(track->enc, sizeof(chapter_properties)))
4546 return AVERROR(ENOMEM);
4547 memcpy(track->enc->extradata, chapter_properties, sizeof(chapter_properties));
4549 if (avio_open_dyn_buf(&pb) >= 0) {
4553 /* Stub header (usually for Quicktime chapter track) */
4555 avio_wb32(pb, 0x01); // displayFlags
4556 avio_w8(pb, 0x00); // horizontal justification
4557 avio_w8(pb, 0x00); // vertical justification
4558 avio_w8(pb, 0x00); // bgColourRed
4559 avio_w8(pb, 0x00); // bgColourGreen
4560 avio_w8(pb, 0x00); // bgColourBlue
4561 avio_w8(pb, 0x00); // bgColourAlpha
4563 avio_wb16(pb, 0x00); // defTextBoxTop
4564 avio_wb16(pb, 0x00); // defTextBoxLeft
4565 avio_wb16(pb, 0x00); // defTextBoxBottom
4566 avio_wb16(pb, 0x00); // defTextBoxRight
4568 avio_wb16(pb, 0x00); // startChar
4569 avio_wb16(pb, 0x00); // endChar
4570 avio_wb16(pb, 0x01); // fontID
4571 avio_w8(pb, 0x00); // fontStyleFlags
4572 avio_w8(pb, 0x00); // fontSize
4573 avio_w8(pb, 0x00); // fgColourRed
4574 avio_w8(pb, 0x00); // fgColourGreen
4575 avio_w8(pb, 0x00); // fgColourBlue
4576 avio_w8(pb, 0x00); // fgColourAlpha
4578 avio_wb32(pb, 0x0D); // box size
4579 ffio_wfourcc(pb, "ftab"); // box atom name
4580 avio_wb16(pb, 0x01); // entry count
4582 avio_wb16(pb, 0x01); // font ID
4583 avio_w8(pb, 0x00); // font name length
4585 if ((size = avio_close_dyn_buf(pb, &buf)) > 0) {
4586 track->enc->extradata = buf;
4587 track->enc->extradata_size = size;
4594 for (i = 0; i < s->nb_chapters; i++) {
4595 AVChapter *c = s->chapters[i];
4596 AVDictionaryEntry *t;
4598 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
4599 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
4600 pkt.duration = end - pkt.dts;
4602 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
4603 const char encd[12] = {
4604 0x00, 0x00, 0x00, 0x0C,
4606 0x00, 0x00, 0x01, 0x00 };
4607 len = strlen(t->value);
4608 pkt.size = len + 2 + 12;
4609 pkt.data = av_malloc(pkt.size);
4611 return AVERROR(ENOMEM);
4612 AV_WB16(pkt.data, len);
4613 memcpy(pkt.data + 2, t->value, len);
4614 memcpy(pkt.data + len + 2, encd, sizeof(encd));
4615 ff_mov_write_packet(s, &pkt);
4616 av_freep(&pkt.data);
4623 static int mov_create_timecode_track(AVFormatContext *s, int index, int src_index, const char *tcstr)
4626 MOVMuxContext *mov = s->priv_data;
4627 MOVTrack *track = &mov->tracks[index];
4628 AVStream *src_st = s->streams[src_index];
4630 AVPacket pkt = {.stream_index = index, .flags = AV_PKT_FLAG_KEY, .size = 4};
4631 AVRational rate = find_fps(s, src_st);
4633 /* compute the frame number */
4634 ret = av_timecode_init_from_string(&tc, rate, tcstr, s);
4638 /* tmcd track based on video stream */
4639 track->mode = mov->mode;
4640 track->tag = MKTAG('t','m','c','d');
4641 track->src_track = src_index;
4642 track->timescale = mov->tracks[src_index].timescale;
4643 if (tc.flags & AV_TIMECODE_FLAG_DROPFRAME)
4644 track->timecode_flags |= MOV_TIMECODE_FLAG_DROPFRAME;
4646 /* set st to src_st for metadata access*/
4649 /* encode context: tmcd data stream */
4650 track->enc = avcodec_alloc_context3(NULL);
4652 return AVERROR(ENOMEM);
4653 track->enc->codec_type = AVMEDIA_TYPE_DATA;
4654 track->enc->codec_tag = track->tag;
4655 track->enc->time_base = av_inv_q(rate);
4657 /* the tmcd track just contains one packet with the frame number */
4658 pkt.data = av_malloc(pkt.size);
4660 return AVERROR(ENOMEM);
4661 AV_WB32(pkt.data, tc.start);
4662 ret = ff_mov_write_packet(s, &pkt);
4668 * st->disposition controls the "enabled" flag in the tkhd tag.
4669 * QuickTime will not play a track if it is not enabled. So make sure
4670 * that one track of each type (audio, video, subtitle) is enabled.
4672 * Subtitles are special. For audio and video, setting "enabled" also
4673 * makes the track "default" (i.e. it is rendered when played). For
4674 * subtitles, an "enabled" subtitle is not rendered by default, but
4675 * if no subtitle is enabled, the subtitle menu in QuickTime will be
4678 static void enable_tracks(AVFormatContext *s)
4680 MOVMuxContext *mov = s->priv_data;
4682 int enabled[AVMEDIA_TYPE_NB];
4683 int first[AVMEDIA_TYPE_NB];
4685 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
4690 for (i = 0; i < s->nb_streams; i++) {
4691 AVStream *st = s->streams[i];
4693 if (st->codec->codec_type <= AVMEDIA_TYPE_UNKNOWN ||
4694 st->codec->codec_type >= AVMEDIA_TYPE_NB)
4697 if (first[st->codec->codec_type] < 0)
4698 first[st->codec->codec_type] = i;
4699 if (st->disposition & AV_DISPOSITION_DEFAULT) {
4700 mov->tracks[i].flags |= MOV_TRACK_ENABLED;
4701 enabled[st->codec->codec_type]++;
4705 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
4707 case AVMEDIA_TYPE_VIDEO:
4708 case AVMEDIA_TYPE_AUDIO:
4709 case AVMEDIA_TYPE_SUBTITLE:
4711 mov->per_stream_grouping = 1;
4712 if (!enabled[i] && first[i] >= 0)
4713 mov->tracks[first[i]].flags |= MOV_TRACK_ENABLED;
4719 static void mov_free(AVFormatContext *s)
4721 MOVMuxContext *mov = s->priv_data;
4724 if (mov->chapter_track) {
4725 if (mov->tracks[mov->chapter_track].enc)
4726 av_freep(&mov->tracks[mov->chapter_track].enc->extradata);
4727 av_freep(&mov->tracks[mov->chapter_track].enc);
4730 for (i = 0; i < mov->nb_streams; i++) {
4731 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
4732 ff_mov_close_hinting(&mov->tracks[i]);
4733 else if (mov->tracks[i].tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd)
4734 av_freep(&mov->tracks[i].enc);
4735 av_freep(&mov->tracks[i].cluster);
4736 av_freep(&mov->tracks[i].frag_info);
4738 if (mov->tracks[i].vos_len)
4739 av_freep(&mov->tracks[i].vos_data);
4742 av_freep(&mov->tracks);
4745 static uint32_t rgb_to_yuv(uint32_t rgb)
4750 r = (rgb >> 16) & 0xFF;
4751 g = (rgb >> 8) & 0xFF;
4754 y = av_clip_uint8( 16. + 0.257 * r + 0.504 * g + 0.098 * b);
4755 cb = av_clip_uint8(128. - 0.148 * r - 0.291 * g + 0.439 * b);
4756 cr = av_clip_uint8(128. + 0.439 * r - 0.368 * g - 0.071 * b);
4758 return (y << 16) | (cr << 8) | cb;
4761 static int mov_create_dvd_sub_decoder_specific_info(MOVTrack *track,
4764 int i, width = 720, height = 480;
4765 int have_palette = 0, have_size = 0;
4766 uint32_t palette[16];
4767 char *cur = st->codec->extradata;
4769 while (cur && *cur) {
4770 if (strncmp("palette:", cur, 8) == 0) {
4772 count = sscanf(cur + 8,
4773 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
4774 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
4775 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
4776 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32"",
4777 &palette[ 0], &palette[ 1], &palette[ 2], &palette[ 3],
4778 &palette[ 4], &palette[ 5], &palette[ 6], &palette[ 7],
4779 &palette[ 8], &palette[ 9], &palette[10], &palette[11],
4780 &palette[12], &palette[13], &palette[14], &palette[15]);
4782 for (i = 0; i < count; i++) {
4783 palette[i] = rgb_to_yuv(palette[i]);
4786 } else if (!strncmp("size:", cur, 5)) {
4787 sscanf(cur + 5, "%dx%d", &width, &height);
4790 if (have_palette && have_size)
4792 cur += strcspn(cur, "\n\r");
4793 cur += strspn(cur, "\n\r");
4796 track->vos_data = av_malloc(16*4);
4797 if (!track->vos_data)
4798 return AVERROR(ENOMEM);
4799 for (i = 0; i < 16; i++) {
4800 AV_WB32(track->vos_data + i * 4, palette[i]);
4802 track->vos_len = 16 * 4;
4804 st->codec->width = width;
4805 st->codec->height = track->height = height;
4810 static int mov_write_header(AVFormatContext *s)
4812 AVIOContext *pb = s->pb;
4813 MOVMuxContext *mov = s->priv_data;
4814 AVDictionaryEntry *t, *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
4815 int i, ret, hint_track = 0, tmcd_track = 0;
4819 /* Default mode == MP4 */
4820 mov->mode = MODE_MP4;
4823 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
4824 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
4825 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
4826 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
4827 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
4828 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
4829 else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V;
4832 if (s->flags & AVFMT_FLAG_BITEXACT)
4835 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
4836 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV;
4838 /* Set the FRAGMENT flag if any of the fragmentation methods are
4840 if (mov->max_fragment_duration || mov->max_fragment_size ||
4841 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
4842 FF_MOV_FLAG_FRAG_KEYFRAME |
4843 FF_MOV_FLAG_FRAG_CUSTOM))
4844 mov->flags |= FF_MOV_FLAG_FRAGMENT;
4846 /* Set other implicit flags immediately */
4847 if (mov->mode == MODE_ISM)
4848 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
4849 FF_MOV_FLAG_FRAGMENT;
4850 if (mov->flags & FF_MOV_FLAG_DASH)
4851 mov->flags |= FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_EMPTY_MOOV |
4852 FF_MOV_FLAG_DEFAULT_BASE_MOOF;
4854 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
4855 mov->reserved_moov_size = -1;
4858 if (mov->use_editlist < 0) {
4859 mov->use_editlist = 1;
4860 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
4861 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
4862 // If we can avoid needing an edit list by shifting the
4863 // tracks, prefer that over (trying to) write edit lists
4864 // in fragmented output.
4865 if (s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO ||
4866 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO)
4867 mov->use_editlist = 0;
4870 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
4871 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV) && mov->use_editlist)
4872 av_log(s, AV_LOG_WARNING, "No meaningful edit list will be written when using empty_moov without delay_moov\n");
4874 if (!mov->use_editlist && s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO)
4875 s->avoid_negative_ts = AVFMT_AVOID_NEG_TS_MAKE_ZERO;
4877 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
4878 * is enabled, we don't support non-seekable output at all. */
4879 if (!s->pb->seekable &&
4880 (!(mov->flags & FF_MOV_FLAG_FRAGMENT) || mov->ism_lookahead)) {
4881 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
4882 return AVERROR(EINVAL);
4885 if (!(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
4886 if ((ret = mov_write_identification(pb, s)) < 0)
4890 mov->nb_streams = s->nb_streams;
4891 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
4892 mov->chapter_track = mov->nb_streams++;
4894 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
4895 /* Add hint tracks for each audio and video stream */
4896 hint_track = mov->nb_streams;
4897 for (i = 0; i < s->nb_streams; i++) {
4898 AVStream *st = s->streams[i];
4899 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
4900 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
4906 if (mov->mode == MODE_MOV) {
4907 tmcd_track = mov->nb_streams;
4909 /* +1 tmcd track for each video stream with a timecode */
4910 for (i = 0; i < s->nb_streams; i++) {
4911 AVStream *st = s->streams[i];
4912 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
4913 (global_tcr || av_dict_get(st->metadata, "timecode", NULL, 0)))
4914 mov->nb_meta_tmcd++;
4917 /* check if there is already a tmcd track to remux */
4918 if (mov->nb_meta_tmcd) {
4919 for (i = 0; i < s->nb_streams; i++) {
4920 AVStream *st = s->streams[i];
4921 if (st->codec->codec_tag == MKTAG('t','m','c','d')) {
4922 av_log(s, AV_LOG_WARNING, "You requested a copy of the original timecode track "
4923 "so timecode metadata are now ignored\n");
4924 mov->nb_meta_tmcd = 0;
4929 mov->nb_streams += mov->nb_meta_tmcd;
4932 // Reserve an extra stream for chapters for the case where chapters
4933 // are written in the trailer
4934 mov->tracks = av_mallocz_array((mov->nb_streams + 1), sizeof(*mov->tracks));
4936 return AVERROR(ENOMEM);
4938 for (i = 0; i < s->nb_streams; i++) {
4939 AVStream *st= s->streams[i];
4940 MOVTrack *track= &mov->tracks[i];
4941 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
4944 track->enc = st->codec;
4945 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
4946 if (track->language < 0)
4947 track->language = 0;
4948 track->mode = mov->mode;
4949 track->tag = mov_find_codec_tag(s, track);
4951 av_log(s, AV_LOG_ERROR, "Could not find tag for codec %s in stream #%d, "
4952 "codec not currently supported in container\n",
4953 avcodec_get_name(st->codec->codec_id), i);
4954 ret = AVERROR(EINVAL);
4957 /* If hinting of this track is enabled by a later hint track,
4958 * this is updated. */
4959 track->hint_track = -1;
4960 track->start_dts = AV_NOPTS_VALUE;
4961 track->start_cts = AV_NOPTS_VALUE;
4962 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
4963 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
4964 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
4965 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
4966 if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
4967 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
4968 ret = AVERROR(EINVAL);
4971 track->height = track->tag >> 24 == 'n' ? 486 : 576;
4973 if (mov->video_track_timescale) {
4974 track->timescale = mov->video_track_timescale;
4976 track->timescale = st->time_base.den;
4977 while(track->timescale < 10000)
4978 track->timescale *= 2;
4980 if (st->codec->width > 65535 || st->codec->height > 65535) {
4981 av_log(s, AV_LOG_ERROR, "Resolution %dx%d too large for mov/mp4\n", st->codec->width, st->codec->height);
4982 ret = AVERROR(EINVAL);
4985 if (track->mode == MODE_MOV && track->timescale > 100000)
4986 av_log(s, AV_LOG_WARNING,
4987 "WARNING codec timebase is very high. If duration is too long,\n"
4988 "file may not be playable by quicktime. Specify a shorter timebase\n"
4989 "or choose different container.\n");
4990 } else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
4991 track->timescale = st->codec->sample_rate;
4992 if (!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
4993 av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i);
4994 track->audio_vbr = 1;
4995 }else if (st->codec->codec_id == AV_CODEC_ID_ADPCM_MS ||
4996 st->codec->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
4997 st->codec->codec_id == AV_CODEC_ID_ILBC){
4998 if (!st->codec->block_align) {
4999 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
5000 ret = AVERROR(EINVAL);
5003 track->sample_size = st->codec->block_align;
5004 }else if (st->codec->frame_size > 1){ /* assume compressed audio */
5005 track->audio_vbr = 1;
5007 track->sample_size = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
5009 if (st->codec->codec_id == AV_CODEC_ID_ILBC ||
5010 st->codec->codec_id == AV_CODEC_ID_ADPCM_IMA_QT) {
5011 track->audio_vbr = 1;
5013 if (track->mode != MODE_MOV &&
5014 track->enc->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
5015 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
5016 i, track->enc->sample_rate);
5017 ret = AVERROR(EINVAL);
5020 } else if (st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
5021 track->timescale = st->time_base.den;
5022 } else if (st->codec->codec_type == AVMEDIA_TYPE_DATA) {
5023 track->timescale = st->time_base.den;
5025 track->timescale = MOV_TIMESCALE;
5028 track->height = st->codec->height;
5029 /* The ism specific timescale isn't mandatory, but is assumed by
5030 * some tools, such as mp4split. */
5031 if (mov->mode == MODE_ISM)
5032 track->timescale = 10000000;
5034 avpriv_set_pts_info(st, 64, 1, track->timescale);
5036 /* copy extradata if it exists */
5037 if (st->codec->extradata_size) {
5038 if (st->codec->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
5039 mov_create_dvd_sub_decoder_specific_info(track, st);
5040 else if (!TAG_IS_AVCI(track->tag) && st->codec->codec_id != AV_CODEC_ID_DNXHD) {
5041 track->vos_len = st->codec->extradata_size;
5042 track->vos_data = av_malloc(track->vos_len);
5043 if (!track->vos_data) {
5044 ret = AVERROR(ENOMEM);
5047 memcpy(track->vos_data, st->codec->extradata, track->vos_len);
5052 for (i = 0; i < s->nb_streams; i++) {
5054 AVStream *st= s->streams[i];
5055 MOVTrack *track= &mov->tracks[i];
5057 if (st->codec->codec_type != AVMEDIA_TYPE_AUDIO ||
5058 track->enc->channel_layout != AV_CH_LAYOUT_MONO)
5061 for (j = 0; j < s->nb_streams; j++) {
5062 AVStream *stj= s->streams[j];
5063 MOVTrack *trackj= &mov->tracks[j];
5067 if (stj->codec->codec_type != AVMEDIA_TYPE_AUDIO ||
5068 trackj->enc->channel_layout != AV_CH_LAYOUT_MONO ||
5069 trackj->language != track->language ||
5070 trackj->tag != track->tag
5073 track->multichannel_as_mono++;
5080 if (mov->reserved_moov_size){
5081 mov->reserved_moov_pos= avio_tell(pb);
5082 if (mov->reserved_moov_size > 0)
5083 avio_skip(pb, mov->reserved_moov_size);
5086 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
5087 /* If no fragmentation options have been set, set a default. */
5088 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
5089 FF_MOV_FLAG_FRAG_CUSTOM)) &&
5090 !mov->max_fragment_duration && !mov->max_fragment_size)
5091 mov->flags |= FF_MOV_FLAG_FRAG_KEYFRAME;
5093 if (mov->flags & FF_MOV_FLAG_FASTSTART)
5094 mov->reserved_moov_pos = avio_tell(pb);
5095 mov_write_mdat_tag(pb, mov);
5098 if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
5099 mov->time = ff_iso8601_to_unix_time(t->value);
5101 mov->time += 0x7C25B080; // 1970 based -> 1904 based
5103 if (mov->chapter_track)
5104 if ((ret = mov_create_chapter_track(s, mov->chapter_track)) < 0)
5107 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
5108 /* Initialize the hint tracks for each audio and video stream */
5109 for (i = 0; i < s->nb_streams; i++) {
5110 AVStream *st = s->streams[i];
5111 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
5112 st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
5113 if ((ret = ff_mov_init_hinting(s, hint_track, i)) < 0)
5120 if (mov->nb_meta_tmcd) {
5121 /* Initialize the tmcd tracks */
5122 for (i = 0; i < s->nb_streams; i++) {
5123 AVStream *st = s->streams[i];
5126 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
5128 t = av_dict_get(st->metadata, "timecode", NULL, 0);
5131 if ((ret = mov_create_timecode_track(s, tmcd_track, i, t->value)) < 0)
5140 if (mov->flags & FF_MOV_FLAG_ISML)
5141 mov_write_isml_manifest(pb, mov);
5143 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
5144 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
5145 if ((ret = mov_write_moov_tag(pb, mov, s)) < 0)
5147 mov->moov_written = 1;
5148 if (mov->flags & FF_MOV_FLAG_FASTSTART)
5149 mov->reserved_moov_pos = avio_tell(pb);
5158 static int get_moov_size(AVFormatContext *s)
5161 AVIOContext *moov_buf;
5162 MOVMuxContext *mov = s->priv_data;
5164 if ((ret = ffio_open_null_buf(&moov_buf)) < 0)
5166 if ((ret = mov_write_moov_tag(moov_buf, mov, s)) < 0)
5168 return ffio_close_null_buf(moov_buf);
5171 static int get_sidx_size(AVFormatContext *s)
5175 MOVMuxContext *mov = s->priv_data;
5177 if ((ret = ffio_open_null_buf(&buf)) < 0)
5179 mov_write_sidx_tags(buf, mov, -1, 0);
5180 return ffio_close_null_buf(buf);
5184 * This function gets the moov size if moved to the top of the file: the chunk
5185 * offset table can switch between stco (32-bit entries) to co64 (64-bit
5186 * entries) when the moov is moved to the beginning, so the size of the moov
5187 * would change. It also updates the chunk offset tables.
5189 static int compute_moov_size(AVFormatContext *s)
5191 int i, moov_size, moov_size2;
5192 MOVMuxContext *mov = s->priv_data;
5194 moov_size = get_moov_size(s);
5198 for (i = 0; i < mov->nb_streams; i++)
5199 mov->tracks[i].data_offset += moov_size;
5201 moov_size2 = get_moov_size(s);
5205 /* if the size changed, we just switched from stco to co64 and need to
5206 * update the offsets */
5207 if (moov_size2 != moov_size)
5208 for (i = 0; i < mov->nb_streams; i++)
5209 mov->tracks[i].data_offset += moov_size2 - moov_size;
5214 static int compute_sidx_size(AVFormatContext *s)
5217 MOVMuxContext *mov = s->priv_data;
5219 sidx_size = get_sidx_size(s);
5223 for (i = 0; i < mov->nb_streams; i++)
5224 mov->tracks[i].data_offset += sidx_size;
5229 static int shift_data(AVFormatContext *s)
5231 int ret = 0, moov_size;
5232 MOVMuxContext *mov = s->priv_data;
5233 int64_t pos, pos_end = avio_tell(s->pb);
5234 uint8_t *buf, *read_buf[2];
5235 int read_buf_id = 0;
5237 AVIOContext *read_pb;
5239 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
5240 moov_size = compute_sidx_size(s);
5242 moov_size = compute_moov_size(s);
5246 buf = av_malloc(moov_size * 2);
5248 return AVERROR(ENOMEM);
5250 read_buf[1] = buf + moov_size;
5252 /* Shift the data: the AVIO context of the output can only be used for
5253 * writing, so we re-open the same output, but for reading. It also avoids
5254 * a read/seek/write/seek back and forth. */
5256 ret = avio_open(&read_pb, s->filename, AVIO_FLAG_READ);
5258 av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for "
5259 "the second pass (faststart)\n", s->filename);
5263 /* mark the end of the shift to up to the last data we wrote, and get ready
5265 pos_end = avio_tell(s->pb);
5266 avio_seek(s->pb, mov->reserved_moov_pos + moov_size, SEEK_SET);
5268 /* start reading at where the new moov will be placed */
5269 avio_seek(read_pb, mov->reserved_moov_pos, SEEK_SET);
5270 pos = avio_tell(read_pb);
5272 #define READ_BLOCK do { \
5273 read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
5277 /* shift data by chunk of at most moov_size */
5282 n = read_size[read_buf_id];
5285 avio_write(s->pb, read_buf[read_buf_id], n);
5287 } while (pos < pos_end);
5288 avio_close(read_pb);
5295 static int mov_write_trailer(AVFormatContext *s)
5297 MOVMuxContext *mov = s->priv_data;
5298 AVIOContext *pb = s->pb;
5304 * Before actually writing the trailer, make sure that there are no
5305 * dangling subtitles, that need a terminating sample.
5307 for (i = 0; i < mov->nb_streams; i++) {
5308 MOVTrack *trk = &mov->tracks[i];
5309 if (trk->enc->codec_id == AV_CODEC_ID_MOV_TEXT &&
5310 !trk->last_sample_is_subtitle_end) {
5311 mov_write_subtitle_end_packet(s, i, trk->track_duration);
5312 trk->last_sample_is_subtitle_end = 1;
5316 // If there were no chapters when the header was written, but there
5317 // are chapters now, write them in the trailer. This only works
5318 // when we are not doing fragments.
5319 if (!mov->chapter_track && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
5320 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters) {
5321 mov->chapter_track = mov->nb_streams++;
5322 if ((res = mov_create_chapter_track(s, mov->chapter_track)) < 0)
5327 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
5328 moov_pos = avio_tell(pb);
5330 /* Write size of mdat tag */
5331 if (mov->mdat_size + 8 <= UINT32_MAX) {
5332 avio_seek(pb, mov->mdat_pos, SEEK_SET);
5333 avio_wb32(pb, mov->mdat_size + 8);
5335 /* overwrite 'wide' placeholder atom */
5336 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
5337 /* special value: real atom size will be 64 bit value after
5340 ffio_wfourcc(pb, "mdat");
5341 avio_wb64(pb, mov->mdat_size + 16);
5343 avio_seek(pb, mov->reserved_moov_size > 0 ? mov->reserved_moov_pos : moov_pos, SEEK_SET);
5345 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
5346 av_log(s, AV_LOG_INFO, "Starting second pass: moving the moov atom to the beginning of the file\n");
5347 res = shift_data(s);
5349 avio_seek(pb, mov->reserved_moov_pos, SEEK_SET);
5350 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
5353 } else if (mov->reserved_moov_size > 0) {
5355 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
5357 size = mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_moov_pos);
5359 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
5360 res = AVERROR(EINVAL);
5363 avio_wb32(pb, size);
5364 ffio_wfourcc(pb, "free");
5365 ffio_fill(pb, 0, size - 8);
5366 avio_seek(pb, moov_pos, SEEK_SET);
5368 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
5373 mov_auto_flush_fragment(s);
5374 for (i = 0; i < mov->nb_streams; i++)
5375 mov->tracks[i].data_offset = 0;
5376 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
5377 av_log(s, AV_LOG_INFO, "Starting second pass: inserting sidx atoms\n");
5378 res = shift_data(s);
5380 int64_t end = avio_tell(pb);
5381 avio_seek(pb, mov->reserved_moov_pos, SEEK_SET);
5382 mov_write_sidx_tags(pb, mov, -1, 0);
5383 avio_seek(pb, end, SEEK_SET);
5384 mov_write_mfra_tag(pb, mov);
5387 mov_write_mfra_tag(pb, mov);
5397 #if CONFIG_MOV_MUXER
5399 AVOutputFormat ff_mov_muxer = {
5401 .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
5402 .extensions = "mov",
5403 .priv_data_size = sizeof(MOVMuxContext),
5404 .audio_codec = AV_CODEC_ID_AAC,
5405 .video_codec = CONFIG_LIBX264_ENCODER ?
5406 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
5407 .write_header = mov_write_header,
5408 .write_packet = mov_write_packet,
5409 .write_trailer = mov_write_trailer,
5410 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
5411 .codec_tag = (const AVCodecTag* const []){
5412 ff_codec_movvideo_tags, ff_codec_movaudio_tags, 0
5414 .priv_class = &mov_muxer_class,
5417 #if CONFIG_TGP_MUXER
5419 AVOutputFormat ff_tgp_muxer = {
5421 .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
5422 .extensions = "3gp",
5423 .priv_data_size = sizeof(MOVMuxContext),
5424 .audio_codec = AV_CODEC_ID_AMR_NB,
5425 .video_codec = AV_CODEC_ID_H263,
5426 .write_header = mov_write_header,
5427 .write_packet = mov_write_packet,
5428 .write_trailer = mov_write_trailer,
5429 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
5430 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
5431 .priv_class = &tgp_muxer_class,
5434 #if CONFIG_MP4_MUXER
5436 AVOutputFormat ff_mp4_muxer = {
5438 .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
5439 .mime_type = "application/mp4",
5440 .extensions = "mp4",
5441 .priv_data_size = sizeof(MOVMuxContext),
5442 .audio_codec = AV_CODEC_ID_AAC,
5443 .video_codec = CONFIG_LIBX264_ENCODER ?
5444 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
5445 .write_header = mov_write_header,
5446 .write_packet = mov_write_packet,
5447 .write_trailer = mov_write_trailer,
5448 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
5449 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
5450 .priv_class = &mp4_muxer_class,
5453 #if CONFIG_PSP_MUXER
5455 AVOutputFormat ff_psp_muxer = {
5457 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
5458 .extensions = "mp4,psp",
5459 .priv_data_size = sizeof(MOVMuxContext),
5460 .audio_codec = AV_CODEC_ID_AAC,
5461 .video_codec = CONFIG_LIBX264_ENCODER ?
5462 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
5463 .write_header = mov_write_header,
5464 .write_packet = mov_write_packet,
5465 .write_trailer = mov_write_trailer,
5466 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
5467 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
5468 .priv_class = &psp_muxer_class,
5471 #if CONFIG_TG2_MUXER
5473 AVOutputFormat ff_tg2_muxer = {
5475 .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
5476 .extensions = "3g2",
5477 .priv_data_size = sizeof(MOVMuxContext),
5478 .audio_codec = AV_CODEC_ID_AMR_NB,
5479 .video_codec = AV_CODEC_ID_H263,
5480 .write_header = mov_write_header,
5481 .write_packet = mov_write_packet,
5482 .write_trailer = mov_write_trailer,
5483 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
5484 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
5485 .priv_class = &tg2_muxer_class,
5488 #if CONFIG_IPOD_MUXER
5490 AVOutputFormat ff_ipod_muxer = {
5492 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
5493 .mime_type = "application/mp4",
5494 .extensions = "m4v,m4a",
5495 .priv_data_size = sizeof(MOVMuxContext),
5496 .audio_codec = AV_CODEC_ID_AAC,
5497 .video_codec = AV_CODEC_ID_H264,
5498 .write_header = mov_write_header,
5499 .write_packet = mov_write_packet,
5500 .write_trailer = mov_write_trailer,
5501 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
5502 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
5503 .priv_class = &ipod_muxer_class,
5506 #if CONFIG_ISMV_MUXER
5508 AVOutputFormat ff_ismv_muxer = {
5510 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
5511 .mime_type = "application/mp4",
5512 .extensions = "ismv,isma",
5513 .priv_data_size = sizeof(MOVMuxContext),
5514 .audio_codec = AV_CODEC_ID_AAC,
5515 .video_codec = AV_CODEC_ID_H264,
5516 .write_header = mov_write_header,
5517 .write_packet = mov_write_packet,
5518 .write_trailer = mov_write_trailer,
5519 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
5520 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
5521 .priv_class = &ismv_muxer_class,
5524 #if CONFIG_F4V_MUXER
5526 AVOutputFormat ff_f4v_muxer = {
5528 .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
5529 .mime_type = "application/f4v",
5530 .extensions = "f4v",
5531 .priv_data_size = sizeof(MOVMuxContext),
5532 .audio_codec = AV_CODEC_ID_AAC,
5533 .video_codec = AV_CODEC_ID_H264,
5534 .write_header = mov_write_header,
5535 .write_packet = mov_write_packet,
5536 .write_trailer = mov_write_trailer,
5537 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
5538 .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 },
5539 .priv_class = &f4v_muxer_class,