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/dnxhddata.h"
36 #include "libavcodec/get_bits.h"
37 #include "libavcodec/put_bits.h"
38 #include "libavcodec/vc1_common.h"
39 #include "libavcodec/raw.h"
41 #include "libavutil/avstring.h"
42 #include "libavutil/intfloat.h"
43 #include "libavutil/mathematics.h"
44 #include "libavutil/libm.h"
45 #include "libavutil/opt.h"
46 #include "libavutil/dict.h"
47 #include "libavutil/pixdesc.h"
48 #include "libavutil/timecode.h"
49 #include "libavutil/color_utils.h"
55 static const AVOption options[] = {
56 { "movflags", "MOV muxer flags", offsetof(MOVMuxContext, flags), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
57 { "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" },
58 { "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 },
59 { "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" },
60 { "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" },
61 { "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" },
62 { "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" },
63 { "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" },
64 { "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" },
65 { "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" },
66 { "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" },
67 { "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" },
68 { "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" },
69 { "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" },
70 { "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" },
71 { "global_sidx", "Write a global sidx index at the start of the file", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_GLOBAL_SIDX}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
72 { "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" },
73 { "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" },
74 { "use_metadata_tags", "Use mdta atom for metadata.", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_USE_MDTA}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
75 FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
76 { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
77 { "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},
78 { "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},
79 { "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
80 { "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},
81 { "frag_size", "Maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
82 { "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},
83 { "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},
84 { "brand", "Override major brand", offsetof(MOVMuxContext, major_brand), AV_OPT_TYPE_STRING, {.str = NULL}, .flags = AV_OPT_FLAG_ENCODING_PARAM },
85 { "use_editlist", "use edit list", offsetof(MOVMuxContext, use_editlist), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM},
86 { "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},
87 { "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},
88 { "frag_interleave", "Interleave samples within fragments (max number of consecutive samples, lower is tighter interleaving, but with more overhead)", offsetof(MOVMuxContext, frag_interleave), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
89 { "encryption_scheme", "Configures the encryption scheme, allowed values are none, cenc-aes-ctr", offsetof(MOVMuxContext, encryption_scheme_str), AV_OPT_TYPE_STRING, {.str = NULL}, .flags = AV_OPT_FLAG_ENCODING_PARAM },
90 { "encryption_key", "The media encryption key (hex)", offsetof(MOVMuxContext, encryption_key), AV_OPT_TYPE_BINARY, .flags = AV_OPT_FLAG_ENCODING_PARAM },
91 { "encryption_kid", "The media encryption key identifier (hex)", offsetof(MOVMuxContext, encryption_kid), AV_OPT_TYPE_BINARY, .flags = AV_OPT_FLAG_ENCODING_PARAM },
92 { "use_stream_ids_as_track_ids", "use stream ids as track ids", offsetof(MOVMuxContext, use_stream_ids_as_track_ids), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
93 { "write_tmcd", "force or disable writing tmcd", offsetof(MOVMuxContext, write_tmcd), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM},
97 #define MOV_CLASS(flavor)\
98 static const AVClass flavor ## _muxer_class = {\
99 .class_name = #flavor " muxer",\
100 .item_name = av_default_item_name,\
102 .version = LIBAVUTIL_VERSION_INT,\
105 static int get_moov_size(AVFormatContext *s);
107 static int utf8len(const uint8_t *b)
112 GET_UTF8(val, *b++, return -1;)
118 //FIXME support 64 bit variant with wide placeholders
119 static int64_t update_size(AVIOContext *pb, int64_t pos)
121 int64_t curpos = avio_tell(pb);
122 avio_seek(pb, pos, SEEK_SET);
123 avio_wb32(pb, curpos - pos); /* rewrite size */
124 avio_seek(pb, curpos, SEEK_SET);
129 static int co64_required(const MOVTrack *track)
131 if (track->entry > 0 && track->cluster[track->entry - 1].pos + track->data_offset > UINT32_MAX)
136 /* Chunk offset atom */
137 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
140 int mode64 = co64_required(track); // use 32 bit size variant if possible
141 int64_t pos = avio_tell(pb);
142 avio_wb32(pb, 0); /* size */
144 ffio_wfourcc(pb, "co64");
146 ffio_wfourcc(pb, "stco");
147 avio_wb32(pb, 0); /* version & flags */
148 avio_wb32(pb, track->chunkCount); /* entry count */
149 for (i = 0; i < track->entry; i++) {
150 if (!track->cluster[i].chunkNum)
153 avio_wb64(pb, track->cluster[i].pos + track->data_offset);
155 avio_wb32(pb, track->cluster[i].pos + track->data_offset);
157 return update_size(pb, pos);
160 /* Sample size atom */
161 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
164 int i, j, entries = 0, tst = -1, oldtst = -1;
166 int64_t pos = avio_tell(pb);
167 avio_wb32(pb, 0); /* size */
168 ffio_wfourcc(pb, "stsz");
169 avio_wb32(pb, 0); /* version & flags */
171 for (i = 0; i < track->entry; i++) {
172 tst = track->cluster[i].size / track->cluster[i].entries;
173 if (oldtst != -1 && tst != oldtst)
176 entries += track->cluster[i].entries;
178 if (equalChunks && track->entry) {
179 int sSize = track->entry ? track->cluster[0].size / track->cluster[0].entries : 0;
180 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
181 avio_wb32(pb, sSize); // sample size
182 avio_wb32(pb, entries); // sample count
184 avio_wb32(pb, 0); // sample size
185 avio_wb32(pb, entries); // sample count
186 for (i = 0; i < track->entry; i++) {
187 for (j = 0; j < track->cluster[i].entries; j++) {
188 avio_wb32(pb, track->cluster[i].size /
189 track->cluster[i].entries);
193 return update_size(pb, pos);
196 /* Sample to chunk atom */
197 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
199 int index = 0, oldval = -1, i;
200 int64_t entryPos, curpos;
202 int64_t pos = avio_tell(pb);
203 avio_wb32(pb, 0); /* size */
204 ffio_wfourcc(pb, "stsc");
205 avio_wb32(pb, 0); // version & flags
206 entryPos = avio_tell(pb);
207 avio_wb32(pb, track->chunkCount); // entry count
208 for (i = 0; i < track->entry; i++) {
209 if (oldval != track->cluster[i].samples_in_chunk && track->cluster[i].chunkNum) {
210 avio_wb32(pb, track->cluster[i].chunkNum); // first chunk
211 avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
212 avio_wb32(pb, 0x1); // sample description index
213 oldval = track->cluster[i].samples_in_chunk;
217 curpos = avio_tell(pb);
218 avio_seek(pb, entryPos, SEEK_SET);
219 avio_wb32(pb, index); // rewrite size
220 avio_seek(pb, curpos, SEEK_SET);
222 return update_size(pb, pos);
225 /* Sync sample atom */
226 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
228 int64_t curpos, entryPos;
230 int64_t pos = avio_tell(pb);
231 avio_wb32(pb, 0); // size
232 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
233 avio_wb32(pb, 0); // version & flags
234 entryPos = avio_tell(pb);
235 avio_wb32(pb, track->entry); // entry count
236 for (i = 0; i < track->entry; i++) {
237 if (track->cluster[i].flags & flag) {
238 avio_wb32(pb, i + 1);
242 curpos = avio_tell(pb);
243 avio_seek(pb, entryPos, SEEK_SET);
244 avio_wb32(pb, index); // rewrite size
245 avio_seek(pb, curpos, SEEK_SET);
246 return update_size(pb, pos);
249 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
251 avio_wb32(pb, 0x11); /* size */
252 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
253 else ffio_wfourcc(pb, "damr");
254 ffio_wfourcc(pb, "FFMP");
255 avio_w8(pb, 0); /* decoder version */
257 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
258 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
259 avio_w8(pb, 0x01); /* Frames per sample */
263 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
268 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
270 if (track->vos_len < 7)
274 ffio_wfourcc(pb, "dac3");
276 init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
277 fscod = get_bits(&gbc, 2);
278 frmsizecod = get_bits(&gbc, 6);
279 bsid = get_bits(&gbc, 5);
280 bsmod = get_bits(&gbc, 3);
281 acmod = get_bits(&gbc, 3);
283 skip_bits(&gbc, 2); // dsurmod
285 if ((acmod & 1) && acmod != 1)
286 skip_bits(&gbc, 2); // cmixlev
288 skip_bits(&gbc, 2); // surmixlev
290 lfeon = get_bits1(&gbc);
292 init_put_bits(&pbc, buf, sizeof(buf));
293 put_bits(&pbc, 2, fscod);
294 put_bits(&pbc, 5, bsid);
295 put_bits(&pbc, 3, bsmod);
296 put_bits(&pbc, 3, acmod);
297 put_bits(&pbc, 1, lfeon);
298 put_bits(&pbc, 5, frmsizecod >> 1); // bit_rate_code
299 put_bits(&pbc, 5, 0); // reserved
301 flush_put_bits(&pbc);
302 avio_write(pb, buf, sizeof(buf));
312 /* Layout of the EC3SpecificBox */
313 /* maximum bitrate */
315 /* number of independent substreams */
318 /* sample rate code (see ff_ac3_sample_rate_tab) 2 bits */
320 /* bit stream identification 5 bits */
322 /* one bit reserved */
323 /* audio service mixing (not supported yet) 1 bit */
324 /* bit stream mode 3 bits */
326 /* audio coding mode 3 bits */
328 /* sub woofer on 1 bit */
330 /* 3 bits reserved */
331 /* number of dependent substreams associated with this substream 4 bits */
333 /* channel locations of the dependent substream(s), if any, 9 bits */
335 /* if there is no dependent substream, then one bit reserved instead */
336 } substream[1]; /* TODO: support 8 independent substreams */
339 #if CONFIG_AC3_PARSER
340 static int handle_eac3(MOVMuxContext *mov, AVPacket *pkt, MOVTrack *track)
343 AC3HeaderInfo tmp, *hdr = &tmp;
344 struct eac3_info *info;
347 if (!track->eac3_priv && !(track->eac3_priv = av_mallocz(sizeof(*info))))
348 return AVERROR(ENOMEM);
349 info = track->eac3_priv;
351 init_get_bits(&gbc, pkt->data, pkt->size * 8);
352 if (avpriv_ac3_parse_header(&gbc, &hdr) < 0) {
353 /* drop the packets until we see a good one */
355 av_log(mov, AV_LOG_WARNING, "Dropping invalid packet from start of the stream\n");
358 return AVERROR_INVALIDDATA;
361 info->data_rate = FFMAX(info->data_rate, hdr->bit_rate / 1000);
362 num_blocks = hdr->num_blocks;
364 if (!info->ec3_done) {
365 /* AC-3 substream must be the first one */
366 if (hdr->bitstream_id <= 10 && hdr->substreamid != 0)
367 return AVERROR(EINVAL);
369 /* this should always be the case, given that our AC-3 parser
370 * concatenates dependent frames to their independent parent */
371 if (hdr->frame_type == EAC3_FRAME_TYPE_INDEPENDENT) {
372 /* substream ids must be incremental */
373 if (hdr->substreamid > info->num_ind_sub + 1)
374 return AVERROR(EINVAL);
376 if (hdr->substreamid == info->num_ind_sub + 1) {
377 //info->num_ind_sub++;
378 avpriv_request_sample(track->par, "Multiple independent substreams");
379 return AVERROR_PATCHWELCOME;
380 } else if (hdr->substreamid < info->num_ind_sub ||
381 hdr->substreamid == 0 && info->substream[0].bsid) {
387 /* fill the info needed for the "dec3" atom */
388 info->substream[hdr->substreamid].fscod = hdr->sr_code;
389 info->substream[hdr->substreamid].bsid = hdr->bitstream_id;
390 info->substream[hdr->substreamid].bsmod = hdr->bitstream_mode;
391 info->substream[hdr->substreamid].acmod = hdr->channel_mode;
392 info->substream[hdr->substreamid].lfeon = hdr->lfe_on;
394 /* Parse dependent substream(s), if any */
395 if (pkt->size != hdr->frame_size) {
396 int cumul_size = hdr->frame_size;
397 int parent = hdr->substreamid;
399 while (cumul_size != pkt->size) {
401 init_get_bits(&gbc, pkt->data + cumul_size, (pkt->size - cumul_size) * 8);
402 if (avpriv_ac3_parse_header(&gbc, &hdr) < 0)
403 return AVERROR_INVALIDDATA;
404 if (hdr->frame_type != EAC3_FRAME_TYPE_DEPENDENT)
405 return AVERROR(EINVAL);
406 cumul_size += hdr->frame_size;
407 info->substream[parent].num_dep_sub++;
409 /* header is parsed up to lfeon, but custom channel map may be needed */
412 /* skip volume control params */
413 for (i = 0; i < (hdr->channel_mode ? 1 : 2); i++) {
414 skip_bits(&gbc, 5); // skip dialog normalization
415 if (get_bits1(&gbc)) {
416 skip_bits(&gbc, 8); // skip compression gain word
419 /* get the dependent stream channel map, if exists */
421 info->substream[parent].chan_loc |= (get_bits(&gbc, 16) >> 5) & 0x1f;
423 info->substream[parent].chan_loc |= hdr->channel_mode;
429 if (!info->num_blocks && num_blocks == 6)
431 else if (info->num_blocks + num_blocks > 6)
432 return AVERROR_INVALIDDATA;
434 if (!info->num_blocks) {
436 if ((ret = av_copy_packet(&info->pkt, pkt)) < 0)
438 info->num_blocks = num_blocks;
442 if ((ret = av_grow_packet(&info->pkt, pkt->size)) < 0)
444 memcpy(info->pkt.data + info->pkt.size - pkt->size, pkt->data, pkt->size);
445 info->num_blocks += num_blocks;
446 info->pkt.duration += pkt->duration;
447 if ((ret = av_copy_packet_side_data(&info->pkt, pkt)) < 0)
449 if (info->num_blocks != 6)
451 av_packet_unref(pkt);
452 if ((ret = av_copy_packet(pkt, &info->pkt)) < 0)
454 av_packet_unref(&info->pkt);
455 info->num_blocks = 0;
462 static int mov_write_eac3_tag(AVIOContext *pb, MOVTrack *track)
466 struct eac3_info *info;
469 if (!track->eac3_priv)
470 return AVERROR(EINVAL);
472 info = track->eac3_priv;
473 size = 2 + 4 * (info->num_ind_sub + 1);
474 buf = av_malloc(size);
476 size = AVERROR(ENOMEM);
480 init_put_bits(&pbc, buf, size);
481 put_bits(&pbc, 13, info->data_rate);
482 put_bits(&pbc, 3, info->num_ind_sub);
483 for (i = 0; i <= info->num_ind_sub; i++) {
484 put_bits(&pbc, 2, info->substream[i].fscod);
485 put_bits(&pbc, 5, info->substream[i].bsid);
486 put_bits(&pbc, 1, 0); /* reserved */
487 put_bits(&pbc, 1, 0); /* asvc */
488 put_bits(&pbc, 3, info->substream[i].bsmod);
489 put_bits(&pbc, 3, info->substream[i].acmod);
490 put_bits(&pbc, 1, info->substream[i].lfeon);
491 put_bits(&pbc, 5, 0); /* reserved */
492 put_bits(&pbc, 4, info->substream[i].num_dep_sub);
493 if (!info->substream[i].num_dep_sub) {
494 put_bits(&pbc, 1, 0); /* reserved */
497 put_bits(&pbc, 9, info->substream[i].chan_loc);
500 flush_put_bits(&pbc);
502 avio_wb32(pb, size + 8);
503 ffio_wfourcc(pb, "dec3");
504 avio_write(pb, buf, size);
509 av_packet_unref(&info->pkt);
510 av_freep(&track->eac3_priv);
516 * This function writes extradata "as is".
517 * Extradata must be formatted like a valid atom (with size and tag).
519 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
521 avio_write(pb, track->par->extradata, track->par->extradata_size);
522 return track->par->extradata_size;
525 static int mov_write_enda_tag(AVIOContext *pb)
528 ffio_wfourcc(pb, "enda");
529 avio_wb16(pb, 1); /* little endian */
533 static int mov_write_enda_tag_be(AVIOContext *pb)
536 ffio_wfourcc(pb, "enda");
537 avio_wb16(pb, 0); /* big endian */
541 static void put_descr(AVIOContext *pb, int tag, unsigned int size)
546 avio_w8(pb, (size >> (7 * i)) | 0x80);
547 avio_w8(pb, size & 0x7F);
550 static unsigned compute_avg_bitrate(MOVTrack *track)
554 if (!track->track_duration)
556 for (i = 0; i < track->entry; i++)
557 size += track->cluster[i].size;
558 return size * 8 * track->timescale / track->track_duration;
561 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
563 AVCPBProperties *props;
564 int64_t pos = avio_tell(pb);
565 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
566 unsigned avg_bitrate;
568 avio_wb32(pb, 0); // size
569 ffio_wfourcc(pb, "esds");
570 avio_wb32(pb, 0); // Version
573 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
574 avio_wb16(pb, track->track_id);
575 avio_w8(pb, 0x00); // flags (= no flags)
577 // DecoderConfig descriptor
578 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
580 // Object type indication
581 if ((track->par->codec_id == AV_CODEC_ID_MP2 ||
582 track->par->codec_id == AV_CODEC_ID_MP3) &&
583 track->par->sample_rate > 24000)
584 avio_w8(pb, 0x6B); // 11172-3
586 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->par->codec_id));
588 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
589 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
590 if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
591 avio_w8(pb, (0x38 << 2) | 1); // flags (= NeroSubpicStream)
592 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
593 avio_w8(pb, 0x15); // flags (= Audiostream)
595 avio_w8(pb, 0x11); // flags (= Visualstream)
597 props = (AVCPBProperties*)av_stream_get_side_data(track->st, AV_PKT_DATA_CPB_PROPERTIES,
600 avio_wb24(pb, props ? props->buffer_size / 8 : 0); // Buffersize DB
602 avg_bitrate = compute_avg_bitrate(track);
603 avio_wb32(pb, props ? FFMAX3(props->max_bitrate, props->avg_bitrate, avg_bitrate) : FFMAX(track->par->bit_rate, avg_bitrate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
604 avio_wb32(pb, avg_bitrate);
606 if (track->vos_len) {
607 // DecoderSpecific info descriptor
608 put_descr(pb, 0x05, track->vos_len);
609 avio_write(pb, track->vos_data, track->vos_len);
613 put_descr(pb, 0x06, 1);
615 return update_size(pb, pos);
618 static int mov_pcm_le_gt16(enum AVCodecID codec_id)
620 return codec_id == AV_CODEC_ID_PCM_S24LE ||
621 codec_id == AV_CODEC_ID_PCM_S32LE ||
622 codec_id == AV_CODEC_ID_PCM_F32LE ||
623 codec_id == AV_CODEC_ID_PCM_F64LE;
626 static int mov_pcm_be_gt16(enum AVCodecID codec_id)
628 return codec_id == AV_CODEC_ID_PCM_S24BE ||
629 codec_id == AV_CODEC_ID_PCM_S32BE ||
630 codec_id == AV_CODEC_ID_PCM_F32BE ||
631 codec_id == AV_CODEC_ID_PCM_F64BE;
634 static int mov_write_ms_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
637 int64_t pos = avio_tell(pb);
639 avio_wl32(pb, track->tag); // store it byteswapped
640 track->par->codec_tag = av_bswap16(track->tag >> 16);
641 if ((ret = ff_put_wav_header(s, pb, track->par, 0)) < 0)
643 return update_size(pb, pos);
646 static int mov_write_wfex_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
649 int64_t pos = avio_tell(pb);
651 ffio_wfourcc(pb, "wfex");
652 if ((ret = ff_put_wav_header(s, pb, track->st->codecpar, FF_PUT_WAV_HEADER_FORCE_WAVEFORMATEX)) < 0)
654 return update_size(pb, pos);
657 static int mov_write_chan_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
659 uint32_t layout_tag, bitmap;
660 int64_t pos = avio_tell(pb);
662 layout_tag = ff_mov_get_channel_layout_tag(track->par->codec_id,
663 track->par->channel_layout,
666 av_log(s, AV_LOG_WARNING, "not writing 'chan' tag due to "
667 "lack of channel information\n");
671 if (track->multichannel_as_mono)
674 avio_wb32(pb, 0); // Size
675 ffio_wfourcc(pb, "chan"); // Type
676 avio_w8(pb, 0); // Version
677 avio_wb24(pb, 0); // Flags
678 avio_wb32(pb, layout_tag); // mChannelLayoutTag
679 avio_wb32(pb, bitmap); // mChannelBitmap
680 avio_wb32(pb, 0); // mNumberChannelDescriptions
682 return update_size(pb, pos);
685 static int mov_write_wave_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
687 int64_t pos = avio_tell(pb);
689 avio_wb32(pb, 0); /* size */
690 ffio_wfourcc(pb, "wave");
692 if (track->par->codec_id != AV_CODEC_ID_QDM2) {
693 avio_wb32(pb, 12); /* size */
694 ffio_wfourcc(pb, "frma");
695 avio_wl32(pb, track->tag);
698 if (track->par->codec_id == AV_CODEC_ID_AAC) {
699 /* useless atom needed by mplayer, ipod, not needed by quicktime */
700 avio_wb32(pb, 12); /* size */
701 ffio_wfourcc(pb, "mp4a");
703 mov_write_esds_tag(pb, track);
704 } else if (mov_pcm_le_gt16(track->par->codec_id)) {
705 mov_write_enda_tag(pb);
706 } else if (mov_pcm_be_gt16(track->par->codec_id)) {
707 mov_write_enda_tag_be(pb);
708 } else if (track->par->codec_id == AV_CODEC_ID_AMR_NB) {
709 mov_write_amr_tag(pb, track);
710 } else if (track->par->codec_id == AV_CODEC_ID_AC3) {
711 mov_write_ac3_tag(pb, track);
712 } else if (track->par->codec_id == AV_CODEC_ID_EAC3) {
713 mov_write_eac3_tag(pb, track);
714 } else if (track->par->codec_id == AV_CODEC_ID_ALAC ||
715 track->par->codec_id == AV_CODEC_ID_QDM2) {
716 mov_write_extradata_tag(pb, track);
717 } else if (track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
718 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
719 mov_write_ms_tag(s, pb, track);
722 avio_wb32(pb, 8); /* size */
723 avio_wb32(pb, 0); /* null tag */
725 return update_size(pb, pos);
728 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
731 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
732 int unescaped_size, seq_found = 0;
733 int level = 0, interlace = 0;
734 int packet_seq = track->vc1_info.packet_seq;
735 int packet_entry = track->vc1_info.packet_entry;
736 int slices = track->vc1_info.slices;
739 if (track->start_dts == AV_NOPTS_VALUE) {
740 /* No packets written yet, vc1_info isn't authoritative yet. */
741 /* Assume inline sequence and entry headers. */
742 packet_seq = packet_entry = 1;
743 av_log(NULL, AV_LOG_WARNING,
744 "moov atom written before any packets, unable to write correct "
745 "dvc1 atom. Set the delay_moov flag to fix this.\n");
748 unescaped = av_mallocz(track->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
750 return AVERROR(ENOMEM);
751 start = find_next_marker(track->vos_data, end);
752 for (next = start; next < end; start = next) {
755 next = find_next_marker(start + 4, end);
756 size = next - start - 4;
759 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
760 init_get_bits(&gb, unescaped, 8 * unescaped_size);
761 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
762 int profile = get_bits(&gb, 2);
763 if (profile != PROFILE_ADVANCED) {
765 return AVERROR(ENOSYS);
768 level = get_bits(&gb, 3);
769 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
771 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
772 skip_bits(&gb, 1); /* broadcast */
773 interlace = get_bits1(&gb);
774 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
779 return AVERROR(ENOSYS);
782 init_put_bits(&pbc, buf, 7);
783 /* VC1DecSpecStruc */
784 put_bits(&pbc, 4, 12); /* profile - advanced */
785 put_bits(&pbc, 3, level);
786 put_bits(&pbc, 1, 0); /* reserved */
787 /* VC1AdvDecSpecStruc */
788 put_bits(&pbc, 3, level);
789 put_bits(&pbc, 1, 0); /* cbr */
790 put_bits(&pbc, 6, 0); /* reserved */
791 put_bits(&pbc, 1, !interlace); /* no interlace */
792 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
793 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
794 put_bits(&pbc, 1, !slices); /* no slice code */
795 put_bits(&pbc, 1, 0); /* no bframe */
796 put_bits(&pbc, 1, 0); /* reserved */
799 if (track->st->avg_frame_rate.num > 0 && track->st->avg_frame_rate.den > 0)
800 put_bits32(&pbc, track->st->avg_frame_rate.num / track->st->avg_frame_rate.den);
802 put_bits32(&pbc, 0xffffffff);
804 flush_put_bits(&pbc);
811 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
813 uint8_t buf[7] = { 0 };
816 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
819 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
820 ffio_wfourcc(pb, "dvc1");
821 avio_write(pb, buf, sizeof(buf));
822 avio_write(pb, track->vos_data, track->vos_len);
827 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
829 avio_wb32(pb, track->vos_len + 8);
830 ffio_wfourcc(pb, "glbl");
831 avio_write(pb, track->vos_data, track->vos_len);
832 return 8 + track->vos_len;
836 * Compute flags for 'lpcm' tag.
837 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
839 static int mov_get_lpcm_flags(enum AVCodecID codec_id)
842 case AV_CODEC_ID_PCM_F32BE:
843 case AV_CODEC_ID_PCM_F64BE:
845 case AV_CODEC_ID_PCM_F32LE:
846 case AV_CODEC_ID_PCM_F64LE:
848 case AV_CODEC_ID_PCM_U8:
850 case AV_CODEC_ID_PCM_S16BE:
851 case AV_CODEC_ID_PCM_S24BE:
852 case AV_CODEC_ID_PCM_S32BE:
854 case AV_CODEC_ID_PCM_S8:
855 case AV_CODEC_ID_PCM_S16LE:
856 case AV_CODEC_ID_PCM_S24LE:
857 case AV_CODEC_ID_PCM_S32LE:
864 static int get_cluster_duration(MOVTrack *track, int cluster_idx)
868 if (cluster_idx >= track->entry)
871 if (cluster_idx + 1 == track->entry)
872 next_dts = track->track_duration + track->start_dts;
874 next_dts = track->cluster[cluster_idx + 1].dts;
876 next_dts -= track->cluster[cluster_idx].dts;
878 av_assert0(next_dts >= 0);
879 av_assert0(next_dts <= INT_MAX);
884 static int get_samples_per_packet(MOVTrack *track)
886 int i, first_duration;
888 // return track->par->frame_size;
890 /* use 1 for raw PCM */
891 if (!track->audio_vbr)
894 /* check to see if duration is constant for all clusters */
897 first_duration = get_cluster_duration(track, 0);
898 for (i = 1; i < track->entry; i++) {
899 if (get_cluster_duration(track, i) != first_duration)
902 return first_duration;
905 static int mov_write_audio_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
907 int64_t pos = avio_tell(pb);
909 uint32_t tag = track->tag;
911 if (track->mode == MODE_MOV) {
912 if (track->timescale > UINT16_MAX) {
913 if (mov_get_lpcm_flags(track->par->codec_id))
914 tag = AV_RL32("lpcm");
916 } else if (track->audio_vbr || mov_pcm_le_gt16(track->par->codec_id) ||
917 mov_pcm_be_gt16(track->par->codec_id) ||
918 track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
919 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
920 track->par->codec_id == AV_CODEC_ID_QDM2) {
925 avio_wb32(pb, 0); /* size */
926 if (mov->encryption_scheme != MOV_ENC_NONE) {
927 ffio_wfourcc(pb, "enca");
929 avio_wl32(pb, tag); // store it byteswapped
931 avio_wb32(pb, 0); /* Reserved */
932 avio_wb16(pb, 0); /* Reserved */
933 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
935 /* SoundDescription */
936 avio_wb16(pb, version); /* Version */
937 avio_wb16(pb, 0); /* Revision level */
938 avio_wb32(pb, 0); /* Reserved */
943 avio_wb16(pb, 0xfffe);
945 avio_wb32(pb, 0x00010000);
947 avio_wb64(pb, av_double2int(track->par->sample_rate));
948 avio_wb32(pb, track->par->channels);
949 avio_wb32(pb, 0x7F000000);
950 avio_wb32(pb, av_get_bits_per_sample(track->par->codec_id));
951 avio_wb32(pb, mov_get_lpcm_flags(track->par->codec_id));
952 avio_wb32(pb, track->sample_size);
953 avio_wb32(pb, get_samples_per_packet(track));
955 if (track->mode == MODE_MOV) {
956 avio_wb16(pb, track->par->channels);
957 if (track->par->codec_id == AV_CODEC_ID_PCM_U8 ||
958 track->par->codec_id == AV_CODEC_ID_PCM_S8)
959 avio_wb16(pb, 8); /* bits per sample */
960 else if (track->par->codec_id == AV_CODEC_ID_ADPCM_G726)
961 avio_wb16(pb, track->par->bits_per_coded_sample);
964 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
965 } else { /* reserved for mp4/3gp */
971 avio_wb16(pb, 0); /* packet size (= 0) */
972 avio_wb16(pb, track->par->sample_rate <= UINT16_MAX ?
973 track->par->sample_rate : 0);
974 avio_wb16(pb, 0); /* Reserved */
977 if (version == 1) { /* SoundDescription V1 extended info */
978 if (mov_pcm_le_gt16(track->par->codec_id) ||
979 mov_pcm_be_gt16(track->par->codec_id))
980 avio_wb32(pb, 1); /* must be 1 for uncompressed formats */
982 avio_wb32(pb, track->par->frame_size); /* Samples per packet */
983 avio_wb32(pb, track->sample_size / track->par->channels); /* Bytes per packet */
984 avio_wb32(pb, track->sample_size); /* Bytes per frame */
985 avio_wb32(pb, 2); /* Bytes per sample */
988 if (track->mode == MODE_MOV &&
989 (track->par->codec_id == AV_CODEC_ID_AAC ||
990 track->par->codec_id == AV_CODEC_ID_AC3 ||
991 track->par->codec_id == AV_CODEC_ID_EAC3 ||
992 track->par->codec_id == AV_CODEC_ID_AMR_NB ||
993 track->par->codec_id == AV_CODEC_ID_ALAC ||
994 track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
995 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
996 track->par->codec_id == AV_CODEC_ID_QDM2 ||
997 (mov_pcm_le_gt16(track->par->codec_id) && version==1) ||
998 (mov_pcm_be_gt16(track->par->codec_id) && version==1)))
999 mov_write_wave_tag(s, pb, track);
1000 else if (track->tag == MKTAG('m','p','4','a'))
1001 mov_write_esds_tag(pb, track);
1002 else if (track->par->codec_id == AV_CODEC_ID_AMR_NB)
1003 mov_write_amr_tag(pb, track);
1004 else if (track->par->codec_id == AV_CODEC_ID_AC3)
1005 mov_write_ac3_tag(pb, track);
1006 else if (track->par->codec_id == AV_CODEC_ID_EAC3)
1007 mov_write_eac3_tag(pb, track);
1008 else if (track->par->codec_id == AV_CODEC_ID_ALAC)
1009 mov_write_extradata_tag(pb, track);
1010 else if (track->par->codec_id == AV_CODEC_ID_WMAPRO)
1011 mov_write_wfex_tag(s, pb, track);
1012 else if (track->vos_len > 0)
1013 mov_write_glbl_tag(pb, track);
1015 if (track->mode == MODE_MOV && track->par->codec_type == AVMEDIA_TYPE_AUDIO)
1016 mov_write_chan_tag(s, pb, track);
1018 if (mov->encryption_scheme != MOV_ENC_NONE) {
1019 ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid);
1022 return update_size(pb, pos);
1025 static int mov_write_d263_tag(AVIOContext *pb)
1027 avio_wb32(pb, 0xf); /* size */
1028 ffio_wfourcc(pb, "d263");
1029 ffio_wfourcc(pb, "FFMP");
1030 avio_w8(pb, 0); /* decoder version */
1031 /* FIXME use AVCodecContext level/profile, when encoder will set values */
1032 avio_w8(pb, 0xa); /* level */
1033 avio_w8(pb, 0); /* profile */
1037 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
1039 int64_t pos = avio_tell(pb);
1042 ffio_wfourcc(pb, "avcC");
1043 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
1044 return update_size(pb, pos);
1047 static int mov_write_vpcc_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
1049 int64_t pos = avio_tell(pb);
1052 ffio_wfourcc(pb, "vpcC");
1053 avio_wb32(pb, 0); /* version & flags */
1054 ff_isom_write_vpcc(s, pb, track->par);
1055 return update_size(pb, pos);
1058 static int mov_write_hvcc_tag(AVIOContext *pb, MOVTrack *track)
1060 int64_t pos = avio_tell(pb);
1063 ffio_wfourcc(pb, "hvcC");
1064 ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 0);
1065 return update_size(pb, pos);
1068 /* also used by all avid codecs (dv, imx, meridien) and their variants */
1069 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
1074 int display_width = track->par->width;
1076 if (track->vos_data && track->vos_len > 0x29) {
1077 if (ff_dnxhd_parse_header_prefix(track->vos_data) != 0) {
1078 /* looks like a DNxHD bit stream */
1079 interlaced = (track->vos_data[5] & 2);
1080 cid = AV_RB32(track->vos_data + 0x28);
1082 av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream in vos_data\n");
1086 av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream, vos_data too small\n");
1090 avio_wb32(pb, 24); /* size */
1091 ffio_wfourcc(pb, "ACLR");
1092 ffio_wfourcc(pb, "ACLR");
1093 ffio_wfourcc(pb, "0001");
1094 if (track->par->color_range == AVCOL_RANGE_MPEG || /* Legal range (16-235) */
1095 track->par->color_range == AVCOL_RANGE_UNSPECIFIED) {
1096 avio_wb32(pb, 1); /* Corresponds to 709 in official encoder */
1097 } else { /* Full range (0-255) */
1098 avio_wb32(pb, 2); /* Corresponds to RGB in official encoder */
1100 avio_wb32(pb, 0); /* unknown */
1102 if (track->tag == MKTAG('A','V','d','h')) {
1104 ffio_wfourcc(pb, "ADHR");
1105 ffio_wfourcc(pb, "0001");
1107 avio_wb32(pb, 0); /* unknown */
1108 avio_wb32(pb, 1); /* unknown */
1109 avio_wb32(pb, 0); /* unknown */
1110 avio_wb32(pb, 0); /* unknown */
1114 avio_wb32(pb, 24); /* size */
1115 ffio_wfourcc(pb, "APRG");
1116 ffio_wfourcc(pb, "APRG");
1117 ffio_wfourcc(pb, "0001");
1118 avio_wb32(pb, 1); /* unknown */
1119 avio_wb32(pb, 0); /* unknown */
1121 avio_wb32(pb, 120); /* size */
1122 ffio_wfourcc(pb, "ARES");
1123 ffio_wfourcc(pb, "ARES");
1124 ffio_wfourcc(pb, "0001");
1125 avio_wb32(pb, cid); /* dnxhd cid, some id ? */
1126 if ( track->par->sample_aspect_ratio.num > 0
1127 && track->par->sample_aspect_ratio.den > 0)
1128 display_width = display_width * track->par->sample_aspect_ratio.num / track->par->sample_aspect_ratio.den;
1129 avio_wb32(pb, display_width);
1130 /* values below are based on samples created with quicktime and avid codecs */
1132 avio_wb32(pb, track->par->height / 2);
1133 avio_wb32(pb, 2); /* unknown */
1134 avio_wb32(pb, 0); /* unknown */
1135 avio_wb32(pb, 4); /* unknown */
1137 avio_wb32(pb, track->par->height);
1138 avio_wb32(pb, 1); /* unknown */
1139 avio_wb32(pb, 0); /* unknown */
1140 if (track->par->height == 1080)
1141 avio_wb32(pb, 5); /* unknown */
1143 avio_wb32(pb, 6); /* unknown */
1146 for (i = 0; i < 10; i++)
1152 static int mov_write_dpxe_tag(AVIOContext *pb, MOVTrack *track)
1155 ffio_wfourcc(pb, "DpxE");
1156 if (track->par->extradata_size >= 12 &&
1157 !memcmp(&track->par->extradata[4], "DpxE", 4)) {
1158 avio_wb32(pb, track->par->extradata[11]);
1165 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1167 int tag = track->par->codec_tag;
1169 if (!ff_codec_get_tag(ff_mp4_obj_type, track->par->codec_id))
1172 if (track->par->codec_id == AV_CODEC_ID_H264) tag = MKTAG('a','v','c','1');
1173 else if (track->par->codec_id == AV_CODEC_ID_HEVC) tag = MKTAG('h','e','v','1');
1174 else if (track->par->codec_id == AV_CODEC_ID_VP9) tag = MKTAG('v','p','0','9');
1175 else if (track->par->codec_id == AV_CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
1176 else if (track->par->codec_id == AV_CODEC_ID_EAC3) tag = MKTAG('e','c','-','3');
1177 else if (track->par->codec_id == AV_CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
1178 else if (track->par->codec_id == AV_CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
1179 else if (track->par->codec_id == AV_CODEC_ID_VC1) tag = MKTAG('v','c','-','1');
1180 else if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
1181 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
1182 else if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE) tag = MKTAG('m','p','4','s');
1187 static const AVCodecTag codec_ipod_tags[] = {
1188 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
1189 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
1190 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
1191 { AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') },
1192 { AV_CODEC_ID_AC3, MKTAG('a','c','-','3') },
1193 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
1194 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
1195 { AV_CODEC_ID_NONE, 0 },
1198 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1200 int tag = track->par->codec_tag;
1202 // keep original tag for subs, ipod supports both formats
1203 if (!(track->par->codec_type == AVMEDIA_TYPE_SUBTITLE &&
1204 (tag == MKTAG('t', 'x', '3', 'g') ||
1205 tag == MKTAG('t', 'e', 'x', 't'))))
1206 tag = ff_codec_get_tag(codec_ipod_tags, track->par->codec_id);
1208 if (!av_match_ext(s->filename, "m4a") &&
1209 !av_match_ext(s->filename, "m4b") &&
1210 !av_match_ext(s->filename, "m4v"))
1211 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a, .m4v nor .m4b "
1212 "Quicktime/Ipod might not play the file\n");
1217 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
1221 if (track->par->width == 720) { /* SD */
1222 if (track->par->height == 480) { /* NTSC */
1223 if (track->par->format == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
1224 else tag = MKTAG('d','v','c',' ');
1225 }else if (track->par->format == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
1226 else if (track->par->format == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
1227 else tag = MKTAG('d','v','p','p');
1228 } else if (track->par->height == 720) { /* HD 720 line */
1229 if (track->st->time_base.den == 50) tag = MKTAG('d','v','h','q');
1230 else tag = MKTAG('d','v','h','p');
1231 } else if (track->par->height == 1080) { /* HD 1080 line */
1232 if (track->st->time_base.den == 25) tag = MKTAG('d','v','h','5');
1233 else tag = MKTAG('d','v','h','6');
1235 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
1242 static AVRational find_fps(AVFormatContext *s, AVStream *st)
1244 AVRational rate = st->avg_frame_rate;
1246 #if FF_API_LAVF_AVCTX
1247 FF_DISABLE_DEPRECATION_WARNINGS
1248 rate = av_inv_q(st->codec->time_base);
1249 if (av_timecode_check_frame_rate(rate) < 0) {
1250 av_log(s, AV_LOG_DEBUG, "timecode: tbc=%d/%d invalid, fallback on %d/%d\n",
1251 rate.num, rate.den, st->avg_frame_rate.num, st->avg_frame_rate.den);
1252 rate = st->avg_frame_rate;
1254 FF_ENABLE_DEPRECATION_WARNINGS
1260 static int mov_get_mpeg2_xdcam_codec_tag(AVFormatContext *s, MOVTrack *track)
1262 int tag = track->par->codec_tag;
1263 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1264 AVStream *st = track->st;
1265 int rate = av_q2d(find_fps(s, st));
1268 tag = MKTAG('m', '2', 'v', '1'); //fallback tag
1270 if (track->par->format == AV_PIX_FMT_YUV420P) {
1271 if (track->par->width == 1280 && track->par->height == 720) {
1273 if (rate == 24) tag = MKTAG('x','d','v','4');
1274 else if (rate == 25) tag = MKTAG('x','d','v','5');
1275 else if (rate == 30) tag = MKTAG('x','d','v','1');
1276 else if (rate == 50) tag = MKTAG('x','d','v','a');
1277 else if (rate == 60) tag = MKTAG('x','d','v','9');
1279 } else if (track->par->width == 1440 && track->par->height == 1080) {
1281 if (rate == 24) tag = MKTAG('x','d','v','6');
1282 else if (rate == 25) tag = MKTAG('x','d','v','7');
1283 else if (rate == 30) tag = MKTAG('x','d','v','8');
1285 if (rate == 25) tag = MKTAG('x','d','v','3');
1286 else if (rate == 30) tag = MKTAG('x','d','v','2');
1288 } else if (track->par->width == 1920 && track->par->height == 1080) {
1290 if (rate == 24) tag = MKTAG('x','d','v','d');
1291 else if (rate == 25) tag = MKTAG('x','d','v','e');
1292 else if (rate == 30) tag = MKTAG('x','d','v','f');
1294 if (rate == 25) tag = MKTAG('x','d','v','c');
1295 else if (rate == 30) tag = MKTAG('x','d','v','b');
1298 } else if (track->par->format == AV_PIX_FMT_YUV422P) {
1299 if (track->par->width == 1280 && track->par->height == 720) {
1301 if (rate == 24) tag = MKTAG('x','d','5','4');
1302 else if (rate == 25) tag = MKTAG('x','d','5','5');
1303 else if (rate == 30) tag = MKTAG('x','d','5','1');
1304 else if (rate == 50) tag = MKTAG('x','d','5','a');
1305 else if (rate == 60) tag = MKTAG('x','d','5','9');
1307 } else if (track->par->width == 1920 && track->par->height == 1080) {
1309 if (rate == 24) tag = MKTAG('x','d','5','d');
1310 else if (rate == 25) tag = MKTAG('x','d','5','e');
1311 else if (rate == 30) tag = MKTAG('x','d','5','f');
1313 if (rate == 25) tag = MKTAG('x','d','5','c');
1314 else if (rate == 30) tag = MKTAG('x','d','5','b');
1322 static int mov_get_h264_codec_tag(AVFormatContext *s, MOVTrack *track)
1324 int tag = track->par->codec_tag;
1325 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1326 AVStream *st = track->st;
1327 int rate = av_q2d(find_fps(s, st));
1330 tag = MKTAG('a', 'v', 'c', 'i'); //fallback tag
1332 if (track->par->format == AV_PIX_FMT_YUV420P10) {
1333 if (track->par->width == 960 && track->par->height == 720) {
1335 if (rate == 24) tag = MKTAG('a','i','5','p');
1336 else if (rate == 25) tag = MKTAG('a','i','5','q');
1337 else if (rate == 30) tag = MKTAG('a','i','5','p');
1338 else if (rate == 50) tag = MKTAG('a','i','5','q');
1339 else if (rate == 60) tag = MKTAG('a','i','5','p');
1341 } else if (track->par->width == 1440 && track->par->height == 1080) {
1343 if (rate == 24) tag = MKTAG('a','i','5','3');
1344 else if (rate == 25) tag = MKTAG('a','i','5','2');
1345 else if (rate == 30) tag = MKTAG('a','i','5','3');
1347 if (rate == 50) tag = MKTAG('a','i','5','5');
1348 else if (rate == 60) tag = MKTAG('a','i','5','6');
1351 } else if (track->par->format == AV_PIX_FMT_YUV422P10) {
1352 if (track->par->width == 1280 && track->par->height == 720) {
1354 if (rate == 24) tag = MKTAG('a','i','1','p');
1355 else if (rate == 25) tag = MKTAG('a','i','1','q');
1356 else if (rate == 30) tag = MKTAG('a','i','1','p');
1357 else if (rate == 50) tag = MKTAG('a','i','1','q');
1358 else if (rate == 60) tag = MKTAG('a','i','1','p');
1360 } else if (track->par->width == 1920 && track->par->height == 1080) {
1362 if (rate == 24) tag = MKTAG('a','i','1','3');
1363 else if (rate == 25) tag = MKTAG('a','i','1','2');
1364 else if (rate == 30) tag = MKTAG('a','i','1','3');
1366 if (rate == 25) tag = MKTAG('a','i','1','5');
1367 else if (rate == 50) tag = MKTAG('a','i','1','5');
1368 else if (rate == 60) tag = MKTAG('a','i','1','6');
1370 } else if ( track->par->width == 4096 && track->par->height == 2160
1371 || track->par->width == 3840 && track->par->height == 2160
1372 || track->par->width == 2048 && track->par->height == 1080) {
1373 tag = MKTAG('a','i','v','x');
1380 static const struct {
1381 enum AVPixelFormat pix_fmt;
1384 } mov_pix_fmt_tags[] = {
1385 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','2'), 0 },
1386 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
1387 { AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
1388 { AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
1389 { AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
1390 { AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
1391 { AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
1392 { AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
1393 { AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
1394 { AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
1395 { AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
1396 { AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
1397 { AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
1398 { AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
1399 { AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
1402 static int mov_get_dnxhd_codec_tag(AVFormatContext *s, MOVTrack *track)
1404 int tag = MKTAG('A','V','d','n');
1405 if (track->par->profile != FF_PROFILE_UNKNOWN &&
1406 track->par->profile != FF_PROFILE_DNXHD)
1407 tag = MKTAG('A','V','d','h');
1411 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
1413 int tag = track->par->codec_tag;
1415 enum AVPixelFormat pix_fmt;
1417 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
1418 if (track->par->format == mov_pix_fmt_tags[i].pix_fmt) {
1419 tag = mov_pix_fmt_tags[i].tag;
1420 track->par->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
1421 if (track->par->codec_tag == mov_pix_fmt_tags[i].tag)
1426 pix_fmt = avpriv_find_pix_fmt(avpriv_pix_fmt_bps_mov,
1427 track->par->bits_per_coded_sample);
1428 if (tag == MKTAG('r','a','w',' ') &&
1429 track->par->format != pix_fmt &&
1430 track->par->format != AV_PIX_FMT_NONE)
1431 av_log(s, AV_LOG_ERROR, "%s rawvideo cannot be written to mov, output file will be unreadable\n",
1432 av_get_pix_fmt_name(track->par->format));
1436 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1438 int tag = track->par->codec_tag;
1440 if (!tag || (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
1441 (track->par->codec_id == AV_CODEC_ID_DVVIDEO ||
1442 track->par->codec_id == AV_CODEC_ID_RAWVIDEO ||
1443 track->par->codec_id == AV_CODEC_ID_H263 ||
1444 track->par->codec_id == AV_CODEC_ID_H264 ||
1445 track->par->codec_id == AV_CODEC_ID_DNXHD ||
1446 track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO ||
1447 av_get_bits_per_sample(track->par->codec_id)))) { // pcm audio
1448 if (track->par->codec_id == AV_CODEC_ID_DVVIDEO)
1449 tag = mov_get_dv_codec_tag(s, track);
1450 else if (track->par->codec_id == AV_CODEC_ID_RAWVIDEO)
1451 tag = mov_get_rawvideo_codec_tag(s, track);
1452 else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO)
1453 tag = mov_get_mpeg2_xdcam_codec_tag(s, track);
1454 else if (track->par->codec_id == AV_CODEC_ID_H264)
1455 tag = mov_get_h264_codec_tag(s, track);
1456 else if (track->par->codec_id == AV_CODEC_ID_DNXHD)
1457 tag = mov_get_dnxhd_codec_tag(s, track);
1458 else if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
1459 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->par->codec_id);
1460 if (!tag) { // if no mac fcc found, try with Microsoft tags
1461 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->par->codec_id);
1463 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
1464 "the file may be unplayable!\n");
1466 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
1467 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->par->codec_id);
1468 if (!tag) { // if no mac fcc found, try with Microsoft tags
1469 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->par->codec_id);
1471 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
1472 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
1473 "the file may be unplayable!\n");
1476 } else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)
1477 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->par->codec_id);
1483 static const AVCodecTag codec_3gp_tags[] = {
1484 { AV_CODEC_ID_H263, MKTAG('s','2','6','3') },
1485 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
1486 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
1487 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
1488 { AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
1489 { AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
1490 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
1491 { AV_CODEC_ID_NONE, 0 },
1494 static const AVCodecTag codec_f4v_tags[] = { // XXX: add GIF/PNG/JPEG?
1495 { AV_CODEC_ID_MP3, MKTAG('.','m','p','3') },
1496 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
1497 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
1498 { AV_CODEC_ID_VP6A, MKTAG('V','P','6','A') },
1499 { AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') },
1500 { AV_CODEC_ID_NONE, 0 },
1503 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
1507 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
1508 tag = mp4_get_codec_tag(s, track);
1509 else if (track->mode == MODE_ISM) {
1510 tag = mp4_get_codec_tag(s, track);
1511 if (!tag && track->par->codec_id == AV_CODEC_ID_WMAPRO)
1512 tag = MKTAG('w', 'm', 'a', ' ');
1513 } else if (track->mode == MODE_IPOD)
1514 tag = ipod_get_codec_tag(s, track);
1515 else if (track->mode & MODE_3GP)
1516 tag = ff_codec_get_tag(codec_3gp_tags, track->par->codec_id);
1517 else if (track->mode == MODE_F4V)
1518 tag = ff_codec_get_tag(codec_f4v_tags, track->par->codec_id);
1520 tag = mov_get_codec_tag(s, track);
1525 /** Write uuid atom.
1526 * Needed to make file play in iPods running newest firmware
1527 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
1529 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
1532 ffio_wfourcc(pb, "uuid");
1533 avio_wb32(pb, 0x6b6840f2);
1534 avio_wb32(pb, 0x5f244fc5);
1535 avio_wb32(pb, 0xba39a51b);
1536 avio_wb32(pb, 0xcf0323f3);
1541 static const uint16_t fiel_data[] = {
1542 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
1545 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track, int field_order)
1547 unsigned mov_field_order = 0;
1548 if (field_order < FF_ARRAY_ELEMS(fiel_data))
1549 mov_field_order = fiel_data[field_order];
1553 ffio_wfourcc(pb, "fiel");
1554 avio_wb16(pb, mov_field_order);
1558 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
1560 int64_t pos = avio_tell(pb);
1561 avio_wb32(pb, 0); /* size */
1562 avio_wl32(pb, track->tag); // store it byteswapped
1563 avio_wb32(pb, 0); /* Reserved */
1564 avio_wb16(pb, 0); /* Reserved */
1565 avio_wb16(pb, 1); /* Data-reference index */
1567 if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
1568 mov_write_esds_tag(pb, track);
1569 else if (track->par->extradata_size)
1570 avio_write(pb, track->par->extradata, track->par->extradata_size);
1572 return update_size(pb, pos);
1575 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
1578 av_reduce(&sar.num, &sar.den, track->par->sample_aspect_ratio.num,
1579 track->par->sample_aspect_ratio.den, INT_MAX);
1582 ffio_wfourcc(pb, "pasp");
1583 avio_wb32(pb, sar.num);
1584 avio_wb32(pb, sar.den);
1588 static int mov_write_gama_tag(AVIOContext *pb, MOVTrack *track, double gamma)
1593 gamma = avpriv_get_gamma_from_trc(track->par->color_trc);
1595 av_log(pb, AV_LOG_DEBUG, "gamma value %g\n", gamma);
1598 gama = (uint32_t)lrint((double)(1<<16) * gamma);
1599 av_log(pb, AV_LOG_DEBUG, "writing gama value %d\n", gama);
1601 av_assert0(track->mode == MODE_MOV);
1603 ffio_wfourcc(pb, "gama");
1604 avio_wb32(pb, gama);
1608 av_log(pb, AV_LOG_WARNING, "gamma value unknown, unable to write gama atom\n");
1613 static int mov_write_colr_tag(AVIOContext *pb, MOVTrack *track)
1615 // Ref (MOV): https://developer.apple.com/library/mac/technotes/tn2162/_index.html#//apple_ref/doc/uid/DTS40013070-CH1-TNTAG9
1616 // Ref (MP4): ISO/IEC 14496-12:2012
1618 if (track->par->color_primaries == AVCOL_PRI_UNSPECIFIED &&
1619 track->par->color_trc == AVCOL_TRC_UNSPECIFIED &&
1620 track->par->color_space == AVCOL_SPC_UNSPECIFIED) {
1621 if ((track->par->width >= 1920 && track->par->height >= 1080)
1622 || (track->par->width == 1280 && track->par->height == 720)) {
1623 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming bt709\n");
1624 track->par->color_primaries = AVCOL_PRI_BT709;
1625 } else if (track->par->width == 720 && track->height == 576) {
1626 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming bt470bg\n");
1627 track->par->color_primaries = AVCOL_PRI_BT470BG;
1628 } else if (track->par->width == 720 &&
1629 (track->height == 486 || track->height == 480)) {
1630 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming smpte170\n");
1631 track->par->color_primaries = AVCOL_PRI_SMPTE170M;
1633 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, unable to assume anything\n");
1635 switch (track->par->color_primaries) {
1636 case AVCOL_PRI_BT709:
1637 track->par->color_trc = AVCOL_TRC_BT709;
1638 track->par->color_space = AVCOL_SPC_BT709;
1640 case AVCOL_PRI_SMPTE170M:
1641 case AVCOL_PRI_BT470BG:
1642 track->par->color_trc = AVCOL_TRC_BT709;
1643 track->par->color_space = AVCOL_SPC_SMPTE170M;
1648 /* We should only ever be called by MOV or MP4. */
1649 av_assert0(track->mode == MODE_MOV || track->mode == MODE_MP4);
1651 avio_wb32(pb, 18 + (track->mode == MODE_MP4));
1652 ffio_wfourcc(pb, "colr");
1653 if (track->mode == MODE_MP4)
1654 ffio_wfourcc(pb, "nclx");
1656 ffio_wfourcc(pb, "nclc");
1657 switch (track->par->color_primaries) {
1658 case AVCOL_PRI_BT709: avio_wb16(pb, 1); break;
1659 case AVCOL_PRI_SMPTE170M:
1660 case AVCOL_PRI_SMPTE240M: avio_wb16(pb, 6); break;
1661 case AVCOL_PRI_BT470BG: avio_wb16(pb, 5); break;
1662 default: avio_wb16(pb, 2);
1664 switch (track->par->color_trc) {
1665 case AVCOL_TRC_BT709: avio_wb16(pb, 1); break;
1666 case AVCOL_TRC_SMPTE170M: avio_wb16(pb, 1); break; // remapped
1667 case AVCOL_TRC_SMPTE240M: avio_wb16(pb, 7); break;
1668 default: avio_wb16(pb, 2);
1670 switch (track->par->color_space) {
1671 case AVCOL_SPC_BT709: avio_wb16(pb, 1); break;
1672 case AVCOL_SPC_BT470BG:
1673 case AVCOL_SPC_SMPTE170M: avio_wb16(pb, 6); break;
1674 case AVCOL_SPC_SMPTE240M: avio_wb16(pb, 7); break;
1675 default: avio_wb16(pb, 2);
1678 if (track->mode == MODE_MP4) {
1679 int full_range = track->par->color_range == AVCOL_RANGE_JPEG;
1680 avio_w8(pb, full_range << 7);
1687 static void find_compressor(char * compressor_name, int len, MOVTrack *track)
1689 AVDictionaryEntry *encoder;
1690 int xdcam_res = (track->par->width == 1280 && track->par->height == 720)
1691 || (track->par->width == 1440 && track->par->height == 1080)
1692 || (track->par->width == 1920 && track->par->height == 1080);
1694 if (track->mode == MODE_MOV &&
1695 (encoder = av_dict_get(track->st->metadata, "encoder", NULL, 0))) {
1696 av_strlcpy(compressor_name, encoder->value, 32);
1697 } else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO && xdcam_res) {
1698 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1699 AVStream *st = track->st;
1700 int rate = av_q2d(find_fps(NULL, st));
1701 av_strlcatf(compressor_name, len, "XDCAM");
1702 if (track->par->format == AV_PIX_FMT_YUV422P) {
1703 av_strlcatf(compressor_name, len, " HD422");
1704 } else if(track->par->width == 1440) {
1705 av_strlcatf(compressor_name, len, " HD");
1707 av_strlcatf(compressor_name, len, " EX");
1709 av_strlcatf(compressor_name, len, " %d%c", track->par->height, interlaced ? 'i' : 'p');
1711 av_strlcatf(compressor_name, len, "%d", rate * (interlaced + 1));
1715 static int mov_write_video_tag(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
1717 int64_t pos = avio_tell(pb);
1718 char compressor_name[32] = { 0 };
1721 avio_wb32(pb, 0); /* size */
1722 if (mov->encryption_scheme != MOV_ENC_NONE) {
1723 ffio_wfourcc(pb, "encv");
1725 avio_wl32(pb, track->tag); // store it byteswapped
1727 avio_wb32(pb, 0); /* Reserved */
1728 avio_wb16(pb, 0); /* Reserved */
1729 avio_wb16(pb, 1); /* Data-reference index */
1731 avio_wb16(pb, 0); /* Codec stream version */
1732 avio_wb16(pb, 0); /* Codec stream revision (=0) */
1733 if (track->mode == MODE_MOV) {
1734 ffio_wfourcc(pb, "FFMP"); /* Vendor */
1735 if (track->par->codec_id == AV_CODEC_ID_RAWVIDEO) {
1736 avio_wb32(pb, 0); /* Temporal Quality */
1737 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
1739 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
1740 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
1743 avio_wb32(pb, 0); /* Reserved */
1744 avio_wb32(pb, 0); /* Reserved */
1745 avio_wb32(pb, 0); /* Reserved */
1747 avio_wb16(pb, track->par->width); /* Video width */
1748 avio_wb16(pb, track->height); /* Video height */
1749 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
1750 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
1751 avio_wb32(pb, 0); /* Data size (= 0) */
1752 avio_wb16(pb, 1); /* Frame count (= 1) */
1754 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
1755 find_compressor(compressor_name, 32, track);
1756 avio_w8(pb, strlen(compressor_name));
1757 avio_write(pb, compressor_name, 31);
1759 if (track->mode == MODE_MOV && track->par->bits_per_coded_sample)
1760 avio_wb16(pb, track->par->bits_per_coded_sample |
1761 (track->par->format == AV_PIX_FMT_GRAY8 ? 0x20 : 0));
1763 avio_wb16(pb, 0x18); /* Reserved */
1765 if (track->mode == MODE_MOV && track->par->format == AV_PIX_FMT_PAL8) {
1766 int pal_size = 1 << track->par->bits_per_coded_sample;
1768 avio_wb16(pb, 0); /* Color table ID */
1769 avio_wb32(pb, 0); /* Color table seed */
1770 avio_wb16(pb, 0x8000); /* Color table flags */
1771 avio_wb16(pb, pal_size - 1); /* Color table size (zero-relative) */
1772 for (i = 0; i < pal_size; i++) {
1773 uint32_t rgb = track->palette[i];
1774 uint16_t r = (rgb >> 16) & 0xff;
1775 uint16_t g = (rgb >> 8) & 0xff;
1776 uint16_t b = rgb & 0xff;
1778 avio_wb16(pb, (r << 8) | r);
1779 avio_wb16(pb, (g << 8) | g);
1780 avio_wb16(pb, (b << 8) | b);
1783 avio_wb16(pb, 0xffff); /* Reserved */
1785 if (track->tag == MKTAG('m','p','4','v'))
1786 mov_write_esds_tag(pb, track);
1787 else if (track->par->codec_id == AV_CODEC_ID_H263)
1788 mov_write_d263_tag(pb);
1789 else if (track->par->codec_id == AV_CODEC_ID_AVUI ||
1790 track->par->codec_id == AV_CODEC_ID_SVQ3) {
1791 mov_write_extradata_tag(pb, track);
1793 } else if (track->par->codec_id == AV_CODEC_ID_DNXHD) {
1794 mov_write_avid_tag(pb, track);
1796 } else if (track->par->codec_id == AV_CODEC_ID_HEVC)
1797 mov_write_hvcc_tag(pb, track);
1798 else if (track->par->codec_id == AV_CODEC_ID_H264 && !TAG_IS_AVCI(track->tag)) {
1799 mov_write_avcc_tag(pb, track);
1800 if (track->mode == MODE_IPOD)
1801 mov_write_uuid_tag_ipod(pb);
1802 } else if (track->par->codec_id == AV_CODEC_ID_VP9) {
1803 mov_write_vpcc_tag(mov->fc, pb, track);
1804 } else if (track->par->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
1805 mov_write_dvc1_tag(pb, track);
1806 else if (track->par->codec_id == AV_CODEC_ID_VP6F ||
1807 track->par->codec_id == AV_CODEC_ID_VP6A) {
1808 /* Don't write any potential extradata here - the cropping
1809 * is signalled via the normal width/height fields. */
1810 } else if (track->par->codec_id == AV_CODEC_ID_R10K) {
1811 if (track->par->codec_tag == MKTAG('R','1','0','k'))
1812 mov_write_dpxe_tag(pb, track);
1813 } else if (track->vos_len > 0)
1814 mov_write_glbl_tag(pb, track);
1816 if (track->par->codec_id != AV_CODEC_ID_H264 &&
1817 track->par->codec_id != AV_CODEC_ID_MPEG4 &&
1818 track->par->codec_id != AV_CODEC_ID_DNXHD) {
1819 int field_order = track->par->field_order;
1821 #if FF_API_LAVF_AVCTX
1822 FF_DISABLE_DEPRECATION_WARNINGS
1823 if (field_order != track->st->codec->field_order && track->st->codec->field_order != AV_FIELD_UNKNOWN)
1824 field_order = track->st->codec->field_order;
1825 FF_ENABLE_DEPRECATION_WARNINGS
1828 if (field_order != AV_FIELD_UNKNOWN)
1829 mov_write_fiel_tag(pb, track, field_order);
1832 if (mov->flags & FF_MOV_FLAG_WRITE_GAMA) {
1833 if (track->mode == MODE_MOV)
1834 mov_write_gama_tag(pb, track, mov->gamma);
1836 av_log(mov->fc, AV_LOG_WARNING, "Not writing 'gama' atom. Format is not MOV.\n");
1838 if (mov->flags & FF_MOV_FLAG_WRITE_COLR) {
1839 if (track->mode == MODE_MOV || track->mode == MODE_MP4)
1840 mov_write_colr_tag(pb, track);
1842 av_log(mov->fc, AV_LOG_WARNING, "Not writing 'colr' atom. Format is not MOV or MP4.\n");
1845 if (track->par->sample_aspect_ratio.den && track->par->sample_aspect_ratio.num) {
1846 mov_write_pasp_tag(pb, track);
1849 if (mov->encryption_scheme != MOV_ENC_NONE) {
1850 ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid);
1853 /* extra padding for avid stsd */
1854 /* https://developer.apple.com/library/mac/documentation/QuickTime/QTFF/QTFFChap2/qtff2.html#//apple_ref/doc/uid/TP40000939-CH204-61112 */
1858 return update_size(pb, pos);
1861 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
1863 int64_t pos = avio_tell(pb);
1864 avio_wb32(pb, 0); /* size */
1865 ffio_wfourcc(pb, "rtp ");
1866 avio_wb32(pb, 0); /* Reserved */
1867 avio_wb16(pb, 0); /* Reserved */
1868 avio_wb16(pb, 1); /* Data-reference index */
1870 avio_wb16(pb, 1); /* Hint track version */
1871 avio_wb16(pb, 1); /* Highest compatible version */
1872 avio_wb32(pb, track->max_packet_size); /* Max packet size */
1874 avio_wb32(pb, 12); /* size */
1875 ffio_wfourcc(pb, "tims");
1876 avio_wb32(pb, track->timescale);
1878 return update_size(pb, pos);
1881 static int mov_write_source_reference_tag(AVIOContext *pb, MOVTrack *track, const char *reel_name)
1883 uint64_t str_size =strlen(reel_name);
1884 int64_t pos = avio_tell(pb);
1886 if (str_size >= UINT16_MAX){
1887 av_log(NULL, AV_LOG_ERROR, "reel_name length %"PRIu64" is too large\n", str_size);
1889 return AVERROR(EINVAL);
1892 avio_wb32(pb, 0); /* size */
1893 ffio_wfourcc(pb, "name"); /* Data format */
1894 avio_wb16(pb, str_size); /* string size */
1895 avio_wb16(pb, track->language); /* langcode */
1896 avio_write(pb, reel_name, str_size); /* reel name */
1897 return update_size(pb,pos);
1900 static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
1902 int64_t pos = avio_tell(pb);
1906 AVDictionaryEntry *t = NULL;
1908 if (!track->st->avg_frame_rate.num || !track->st->avg_frame_rate.den) {
1909 #if FF_API_LAVF_AVCTX
1910 FF_DISABLE_DEPRECATION_WARNINGS
1911 frame_duration = av_rescale(track->timescale, track->st->codec->time_base.num, track->st->codec->time_base.den);
1912 nb_frames = ROUNDED_DIV(track->st->codec->time_base.den, track->st->codec->time_base.num);
1913 FF_ENABLE_DEPRECATION_WARNINGS
1915 av_log(NULL, AV_LOG_ERROR, "avg_frame_rate not set for tmcd track.\n");
1916 return AVERROR(EINVAL);
1919 frame_duration = av_rescale(track->timescale, track->st->avg_frame_rate.num, track->st->avg_frame_rate.den);
1920 nb_frames = ROUNDED_DIV(track->st->avg_frame_rate.den, track->st->avg_frame_rate.num);
1923 if (nb_frames > 255) {
1924 av_log(NULL, AV_LOG_ERROR, "fps %d is too large\n", nb_frames);
1925 return AVERROR(EINVAL);
1928 avio_wb32(pb, 0); /* size */
1929 ffio_wfourcc(pb, "tmcd"); /* Data format */
1930 avio_wb32(pb, 0); /* Reserved */
1931 avio_wb32(pb, 1); /* Data reference index */
1932 avio_wb32(pb, 0); /* Flags */
1933 avio_wb32(pb, track->timecode_flags); /* Flags (timecode) */
1934 avio_wb32(pb, track->timescale); /* Timescale */
1935 avio_wb32(pb, frame_duration); /* Frame duration */
1936 avio_w8(pb, nb_frames); /* Number of frames */
1937 avio_w8(pb, 0); /* Reserved */
1939 t = av_dict_get(track->st->metadata, "reel_name", NULL, 0);
1940 if (t && utf8len(t->value) && track->mode != MODE_MP4)
1941 mov_write_source_reference_tag(pb, track, t->value);
1943 avio_wb16(pb, 0); /* zero size */
1946 avio_wb32(pb, 0); /* size */
1947 ffio_wfourcc(pb, "tmcd"); /* Data format */
1948 avio_wb32(pb, 0); /* Reserved */
1949 avio_wb32(pb, 1); /* Data reference index */
1950 if (track->par->extradata_size)
1951 avio_write(pb, track->par->extradata, track->par->extradata_size);
1953 return update_size(pb, pos);
1956 static int mov_write_stsd_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
1958 int64_t pos = avio_tell(pb);
1959 avio_wb32(pb, 0); /* size */
1960 ffio_wfourcc(pb, "stsd");
1961 avio_wb32(pb, 0); /* version & flags */
1962 avio_wb32(pb, 1); /* entry count */
1963 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO)
1964 mov_write_video_tag(pb, mov, track);
1965 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
1966 mov_write_audio_tag(s, pb, mov, track);
1967 else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)
1968 mov_write_subtitle_tag(pb, track);
1969 else if (track->par->codec_tag == MKTAG('r','t','p',' '))
1970 mov_write_rtp_tag(pb, track);
1971 else if (track->par->codec_tag == MKTAG('t','m','c','d'))
1972 mov_write_tmcd_tag(pb, track);
1973 return update_size(pb, pos);
1976 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
1978 MOVStts *ctts_entries;
1979 uint32_t entries = 0;
1983 ctts_entries = av_malloc_array((track->entry + 1), sizeof(*ctts_entries)); /* worst case */
1985 return AVERROR(ENOMEM);
1986 ctts_entries[0].count = 1;
1987 ctts_entries[0].duration = track->cluster[0].cts;
1988 for (i = 1; i < track->entry; i++) {
1989 if (track->cluster[i].cts == ctts_entries[entries].duration) {
1990 ctts_entries[entries].count++; /* compress */
1993 ctts_entries[entries].duration = track->cluster[i].cts;
1994 ctts_entries[entries].count = 1;
1997 entries++; /* last one */
1998 atom_size = 16 + (entries * 8);
1999 avio_wb32(pb, atom_size); /* size */
2000 ffio_wfourcc(pb, "ctts");
2001 avio_wb32(pb, 0); /* version & flags */
2002 avio_wb32(pb, entries); /* entry count */
2003 for (i = 0; i < entries; i++) {
2004 avio_wb32(pb, ctts_entries[i].count);
2005 avio_wb32(pb, ctts_entries[i].duration);
2007 av_free(ctts_entries);
2011 /* Time to sample atom */
2012 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
2014 MOVStts *stts_entries = NULL;
2015 uint32_t entries = -1;
2019 if (track->par->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
2020 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
2022 return AVERROR(ENOMEM);
2023 stts_entries[0].count = track->sample_count;
2024 stts_entries[0].duration = 1;
2028 stts_entries = av_malloc_array(track->entry, sizeof(*stts_entries)); /* worst case */
2030 return AVERROR(ENOMEM);
2032 for (i = 0; i < track->entry; i++) {
2033 int duration = get_cluster_duration(track, i);
2034 if (i && duration == stts_entries[entries].duration) {
2035 stts_entries[entries].count++; /* compress */
2038 stts_entries[entries].duration = duration;
2039 stts_entries[entries].count = 1;
2042 entries++; /* last one */
2044 atom_size = 16 + (entries * 8);
2045 avio_wb32(pb, atom_size); /* size */
2046 ffio_wfourcc(pb, "stts");
2047 avio_wb32(pb, 0); /* version & flags */
2048 avio_wb32(pb, entries); /* entry count */
2049 for (i = 0; i < entries; i++) {
2050 avio_wb32(pb, stts_entries[i].count);
2051 avio_wb32(pb, stts_entries[i].duration);
2053 av_free(stts_entries);
2057 static int mov_write_dref_tag(AVIOContext *pb)
2059 avio_wb32(pb, 28); /* size */
2060 ffio_wfourcc(pb, "dref");
2061 avio_wb32(pb, 0); /* version & flags */
2062 avio_wb32(pb, 1); /* entry count */
2064 avio_wb32(pb, 0xc); /* size */
2065 //FIXME add the alis and rsrc atom
2066 ffio_wfourcc(pb, "url ");
2067 avio_wb32(pb, 1); /* version & flags */
2072 static int mov_write_stbl_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2074 int64_t pos = avio_tell(pb);
2077 avio_wb32(pb, 0); /* size */
2078 ffio_wfourcc(pb, "stbl");
2079 mov_write_stsd_tag(s, pb, mov, track);
2080 mov_write_stts_tag(pb, track);
2081 if ((track->par->codec_type == AVMEDIA_TYPE_VIDEO ||
2082 track->par->codec_tag == MKTAG('r','t','p',' ')) &&
2083 track->has_keyframes && track->has_keyframes < track->entry)
2084 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
2085 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
2086 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
2087 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO &&
2088 track->flags & MOV_TRACK_CTTS && track->entry) {
2090 if ((ret = mov_write_ctts_tag(pb, track)) < 0)
2093 mov_write_stsc_tag(pb, track);
2094 mov_write_stsz_tag(pb, track);
2095 mov_write_stco_tag(pb, track);
2096 if (mov->encryption_scheme == MOV_ENC_CENC_AES_CTR) {
2097 ff_mov_cenc_write_stbl_atoms(&track->cenc, pb);
2099 return update_size(pb, pos);
2102 static int mov_write_dinf_tag(AVIOContext *pb)
2104 int64_t pos = avio_tell(pb);
2105 avio_wb32(pb, 0); /* size */
2106 ffio_wfourcc(pb, "dinf");
2107 mov_write_dref_tag(pb);
2108 return update_size(pb, pos);
2111 static int mov_write_nmhd_tag(AVIOContext *pb)
2114 ffio_wfourcc(pb, "nmhd");
2119 static int mov_write_tcmi_tag(AVIOContext *pb, MOVTrack *track)
2121 int64_t pos = avio_tell(pb);
2122 const char *font = "Lucida Grande";
2123 avio_wb32(pb, 0); /* size */
2124 ffio_wfourcc(pb, "tcmi"); /* timecode media information atom */
2125 avio_wb32(pb, 0); /* version & flags */
2126 avio_wb16(pb, 0); /* text font */
2127 avio_wb16(pb, 0); /* text face */
2128 avio_wb16(pb, 12); /* text size */
2129 avio_wb16(pb, 0); /* (unknown, not in the QT specs...) */
2130 avio_wb16(pb, 0x0000); /* text color (red) */
2131 avio_wb16(pb, 0x0000); /* text color (green) */
2132 avio_wb16(pb, 0x0000); /* text color (blue) */
2133 avio_wb16(pb, 0xffff); /* background color (red) */
2134 avio_wb16(pb, 0xffff); /* background color (green) */
2135 avio_wb16(pb, 0xffff); /* background color (blue) */
2136 avio_w8(pb, strlen(font)); /* font len (part of the pascal string) */
2137 avio_write(pb, font, strlen(font)); /* font name */
2138 return update_size(pb, pos);
2141 static int mov_write_gmhd_tag(AVIOContext *pb, MOVTrack *track)
2143 int64_t pos = avio_tell(pb);
2144 avio_wb32(pb, 0); /* size */
2145 ffio_wfourcc(pb, "gmhd");
2146 avio_wb32(pb, 0x18); /* gmin size */
2147 ffio_wfourcc(pb, "gmin");/* generic media info */
2148 avio_wb32(pb, 0); /* version & flags */
2149 avio_wb16(pb, 0x40); /* graphics mode = */
2150 avio_wb16(pb, 0x8000); /* opColor (r?) */
2151 avio_wb16(pb, 0x8000); /* opColor (g?) */
2152 avio_wb16(pb, 0x8000); /* opColor (b?) */
2153 avio_wb16(pb, 0); /* balance */
2154 avio_wb16(pb, 0); /* reserved */
2157 * This special text atom is required for
2158 * Apple Quicktime chapters. The contents
2159 * don't appear to be documented, so the
2160 * bytes are copied verbatim.
2162 if (track->tag != MKTAG('c','6','0','8')) {
2163 avio_wb32(pb, 0x2C); /* size */
2164 ffio_wfourcc(pb, "text");
2165 avio_wb16(pb, 0x01);
2166 avio_wb32(pb, 0x00);
2167 avio_wb32(pb, 0x00);
2168 avio_wb32(pb, 0x00);
2169 avio_wb32(pb, 0x01);
2170 avio_wb32(pb, 0x00);
2171 avio_wb32(pb, 0x00);
2172 avio_wb32(pb, 0x00);
2173 avio_wb32(pb, 0x00004000);
2174 avio_wb16(pb, 0x0000);
2177 if (track->par->codec_tag == MKTAG('t','m','c','d')) {
2178 int64_t tmcd_pos = avio_tell(pb);
2179 avio_wb32(pb, 0); /* size */
2180 ffio_wfourcc(pb, "tmcd");
2181 mov_write_tcmi_tag(pb, track);
2182 update_size(pb, tmcd_pos);
2184 return update_size(pb, pos);
2187 static int mov_write_smhd_tag(AVIOContext *pb)
2189 avio_wb32(pb, 16); /* size */
2190 ffio_wfourcc(pb, "smhd");
2191 avio_wb32(pb, 0); /* version & flags */
2192 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
2193 avio_wb16(pb, 0); /* reserved */
2197 static int mov_write_vmhd_tag(AVIOContext *pb)
2199 avio_wb32(pb, 0x14); /* size (always 0x14) */
2200 ffio_wfourcc(pb, "vmhd");
2201 avio_wb32(pb, 0x01); /* version & flags */
2202 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
2206 static int is_clcp_track(MOVTrack *track)
2208 return track->tag == MKTAG('c','7','0','8') ||
2209 track->tag == MKTAG('c','6','0','8');
2212 static int mov_write_hdlr_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
2214 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
2215 int64_t pos = avio_tell(pb);
2219 descr = "DataHandler";
2222 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
2223 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
2225 descr = "VideoHandler";
2226 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
2228 descr = "SoundHandler";
2229 } else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2230 if (is_clcp_track(track)) {
2232 descr = "ClosedCaptionHandler";
2234 if (track->tag == MKTAG('t','x','3','g')) {
2236 } else if (track->tag == MKTAG('m','p','4','s')) {
2241 descr = "SubtitleHandler";
2243 } else if (track->par->codec_tag == MKTAG('r','t','p',' ')) {
2245 descr = "HintHandler";
2246 } else if (track->par->codec_tag == MKTAG('t','m','c','d')) {
2248 descr = "TimeCodeHandler";
2251 av_get_codec_tag_string(tag_buf, sizeof(tag_buf),
2252 track->par->codec_tag);
2254 av_log(s, AV_LOG_WARNING,
2255 "Unknown hldr_type for %s / 0x%04X, writing dummy values\n",
2256 tag_buf, track->par->codec_tag);
2259 // hdlr.name is used by some players to identify the content title
2260 // of the track. So if an alternate handler description is
2261 // specified, use it.
2262 AVDictionaryEntry *t;
2263 t = av_dict_get(track->st->metadata, "handler", NULL, 0);
2264 if (t && utf8len(t->value))
2269 avio_wb32(pb, 0); /* size */
2270 ffio_wfourcc(pb, "hdlr");
2271 avio_wb32(pb, 0); /* Version & flags */
2272 avio_write(pb, hdlr, 4); /* handler */
2273 ffio_wfourcc(pb, hdlr_type); /* handler type */
2274 avio_wb32(pb, 0); /* reserved */
2275 avio_wb32(pb, 0); /* reserved */
2276 avio_wb32(pb, 0); /* reserved */
2277 if (!track || track->mode == MODE_MOV)
2278 avio_w8(pb, strlen(descr)); /* pascal string */
2279 avio_write(pb, descr, strlen(descr)); /* handler description */
2280 if (track && track->mode != MODE_MOV)
2281 avio_w8(pb, 0); /* c string */
2282 return update_size(pb, pos);
2285 static int mov_write_hmhd_tag(AVIOContext *pb)
2287 /* This atom must be present, but leaving the values at zero
2288 * seems harmless. */
2289 avio_wb32(pb, 28); /* size */
2290 ffio_wfourcc(pb, "hmhd");
2291 avio_wb32(pb, 0); /* version, flags */
2292 avio_wb16(pb, 0); /* maxPDUsize */
2293 avio_wb16(pb, 0); /* avgPDUsize */
2294 avio_wb32(pb, 0); /* maxbitrate */
2295 avio_wb32(pb, 0); /* avgbitrate */
2296 avio_wb32(pb, 0); /* reserved */
2300 static int mov_write_minf_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2302 int64_t pos = avio_tell(pb);
2305 avio_wb32(pb, 0); /* size */
2306 ffio_wfourcc(pb, "minf");
2307 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO)
2308 mov_write_vmhd_tag(pb);
2309 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2310 mov_write_smhd_tag(pb);
2311 else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2312 if (track->tag == MKTAG('t','e','x','t') || is_clcp_track(track)) {
2313 mov_write_gmhd_tag(pb, track);
2315 mov_write_nmhd_tag(pb);
2317 } else if (track->tag == MKTAG('r','t','p',' ')) {
2318 mov_write_hmhd_tag(pb);
2319 } else if (track->tag == MKTAG('t','m','c','d')) {
2320 if (track->mode != MODE_MOV)
2321 mov_write_nmhd_tag(pb);
2323 mov_write_gmhd_tag(pb, track);
2325 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
2326 mov_write_hdlr_tag(s, pb, NULL);
2327 mov_write_dinf_tag(pb);
2328 if ((ret = mov_write_stbl_tag(s, pb, mov, track)) < 0)
2330 return update_size(pb, pos);
2333 static int mov_write_mdhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2336 int version = track->track_duration < INT32_MAX ? 0 : 1;
2338 if (track->mode == MODE_ISM)
2341 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
2342 ffio_wfourcc(pb, "mdhd");
2343 avio_w8(pb, version);
2344 avio_wb24(pb, 0); /* flags */
2346 avio_wb64(pb, track->time);
2347 avio_wb64(pb, track->time);
2349 avio_wb32(pb, track->time); /* creation time */
2350 avio_wb32(pb, track->time); /* modification time */
2352 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
2353 if (!track->entry && mov->mode == MODE_ISM)
2354 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2355 else if (!track->entry)
2356 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2358 (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
2359 avio_wb16(pb, track->language); /* language */
2360 avio_wb16(pb, 0); /* reserved (quality) */
2362 if (version != 0 && track->mode == MODE_MOV) {
2363 av_log(NULL, AV_LOG_ERROR,
2364 "FATAL error, file duration too long for timebase, this file will not be\n"
2365 "playable with quicktime. Choose a different timebase or a different\n"
2366 "container format\n");
2372 static int mov_write_mdia_tag(AVFormatContext *s, AVIOContext *pb,
2373 MOVMuxContext *mov, MOVTrack *track)
2375 int64_t pos = avio_tell(pb);
2378 avio_wb32(pb, 0); /* size */
2379 ffio_wfourcc(pb, "mdia");
2380 mov_write_mdhd_tag(pb, mov, track);
2381 mov_write_hdlr_tag(s, pb, track);
2382 if ((ret = mov_write_minf_tag(s, pb, mov, track)) < 0)
2384 return update_size(pb, pos);
2387 /* transformation matrix
2391 static void write_matrix(AVIOContext *pb, int16_t a, int16_t b, int16_t c,
2392 int16_t d, int16_t tx, int16_t ty)
2394 avio_wb32(pb, a << 16); /* 16.16 format */
2395 avio_wb32(pb, b << 16); /* 16.16 format */
2396 avio_wb32(pb, 0); /* u in 2.30 format */
2397 avio_wb32(pb, c << 16); /* 16.16 format */
2398 avio_wb32(pb, d << 16); /* 16.16 format */
2399 avio_wb32(pb, 0); /* v in 2.30 format */
2400 avio_wb32(pb, tx << 16); /* 16.16 format */
2401 avio_wb32(pb, ty << 16); /* 16.16 format */
2402 avio_wb32(pb, 1 << 30); /* w in 2.30 format */
2405 static int mov_write_tkhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2406 MOVTrack *track, AVStream *st)
2408 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
2409 track->timescale, AV_ROUND_UP);
2410 int version = duration < INT32_MAX ? 0 : 1;
2411 int flags = MOV_TKHD_FLAG_IN_MOVIE;
2415 uint32_t *display_matrix = NULL;
2416 int display_matrix_size, i;
2419 if (mov->per_stream_grouping)
2422 group = st->codecpar->codec_type;
2424 display_matrix = (uint32_t*)av_stream_get_side_data(st, AV_PKT_DATA_DISPLAYMATRIX,
2425 &display_matrix_size);
2426 if (display_matrix && display_matrix_size < 9 * sizeof(*display_matrix))
2427 display_matrix = NULL;
2430 if (track->flags & MOV_TRACK_ENABLED)
2431 flags |= MOV_TKHD_FLAG_ENABLED;
2433 if (track->mode == MODE_ISM)
2436 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
2437 ffio_wfourcc(pb, "tkhd");
2438 avio_w8(pb, version);
2439 avio_wb24(pb, flags);
2441 avio_wb64(pb, track->time);
2442 avio_wb64(pb, track->time);
2444 avio_wb32(pb, track->time); /* creation time */
2445 avio_wb32(pb, track->time); /* modification time */
2447 avio_wb32(pb, track->track_id); /* track-id */
2448 avio_wb32(pb, 0); /* reserved */
2449 if (!track->entry && mov->mode == MODE_ISM)
2450 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2451 else if (!track->entry)
2452 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2454 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
2456 avio_wb32(pb, 0); /* reserved */
2457 avio_wb32(pb, 0); /* reserved */
2458 avio_wb16(pb, 0); /* layer */
2459 avio_wb16(pb, group); /* alternate group) */
2460 /* Volume, only for audio */
2461 if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2462 avio_wb16(pb, 0x0100);
2465 avio_wb16(pb, 0); /* reserved */
2467 /* Matrix structure */
2468 if (st && st->metadata) {
2469 AVDictionaryEntry *rot = av_dict_get(st->metadata, "rotate", NULL, 0);
2470 rotation = (rot && rot->value) ? atoi(rot->value) : 0;
2472 if (display_matrix) {
2473 for (i = 0; i < 9; i++)
2474 avio_wb32(pb, display_matrix[i]);
2475 } else if (rotation == 90) {
2476 write_matrix(pb, 0, 1, -1, 0, track->par->height, 0);
2477 } else if (rotation == 180) {
2478 write_matrix(pb, -1, 0, 0, -1, track->par->width, track->par->height);
2479 } else if (rotation == 270) {
2480 write_matrix(pb, 0, -1, 1, 0, 0, track->par->width);
2482 write_matrix(pb, 1, 0, 0, 1, 0, 0);
2484 /* Track width and height, for visual only */
2485 if (st && (track->par->codec_type == AVMEDIA_TYPE_VIDEO ||
2486 track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
2487 int64_t track_width_1616;
2488 if (track->mode == MODE_MOV) {
2489 track_width_1616 = track->par->width * 0x10000ULL;
2491 track_width_1616 = av_rescale(st->sample_aspect_ratio.num,
2492 track->par->width * 0x10000LL,
2493 st->sample_aspect_ratio.den);
2494 if (!track_width_1616 ||
2495 track->height != track->par->height ||
2496 track_width_1616 > UINT32_MAX)
2497 track_width_1616 = track->par->width * 0x10000ULL;
2499 if (track_width_1616 > UINT32_MAX) {
2500 av_log(mov->fc, AV_LOG_WARNING, "track width is too large\n");
2501 track_width_1616 = 0;
2503 avio_wb32(pb, track_width_1616);
2504 if (track->height > 0xFFFF) {
2505 av_log(mov->fc, AV_LOG_WARNING, "track height is too large\n");
2508 avio_wb32(pb, track->height * 0x10000U);
2516 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
2518 int32_t width = av_rescale(track->par->sample_aspect_ratio.num, track->par->width,
2519 track->par->sample_aspect_ratio.den);
2521 int64_t pos = avio_tell(pb);
2523 avio_wb32(pb, 0); /* size */
2524 ffio_wfourcc(pb, "tapt");
2527 ffio_wfourcc(pb, "clef");
2529 avio_wb32(pb, width << 16);
2530 avio_wb32(pb, track->par->height << 16);
2533 ffio_wfourcc(pb, "prof");
2535 avio_wb32(pb, width << 16);
2536 avio_wb32(pb, track->par->height << 16);
2539 ffio_wfourcc(pb, "enof");
2541 avio_wb32(pb, track->par->width << 16);
2542 avio_wb32(pb, track->par->height << 16);
2544 return update_size(pb, pos);
2547 // This box seems important for the psp playback ... without it the movie seems to hang
2548 static int mov_write_edts_tag(AVIOContext *pb, MOVMuxContext *mov,
2551 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
2552 track->timescale, AV_ROUND_UP);
2553 int version = duration < INT32_MAX ? 0 : 1;
2554 int entry_size, entry_count, size;
2555 int64_t delay, start_ct = track->start_cts;
2556 int64_t start_dts = track->start_dts;
2559 if (start_dts != track->cluster[0].dts || start_ct != track->cluster[0].cts) {
2561 av_log(mov->fc, AV_LOG_DEBUG,
2562 "EDTS using dts:%"PRId64" cts:%d instead of dts:%"PRId64" cts:%"PRId64" tid:%d\n",
2563 track->cluster[0].dts, track->cluster[0].cts,
2564 start_dts, start_ct, track->track_id);
2565 start_dts = track->cluster[0].dts;
2566 start_ct = track->cluster[0].cts;
2570 delay = av_rescale_rnd(start_dts + start_ct, MOV_TIMESCALE,
2571 track->timescale, AV_ROUND_DOWN);
2572 version |= delay < INT32_MAX ? 0 : 1;
2574 entry_size = (version == 1) ? 20 : 12;
2575 entry_count = 1 + (delay > 0);
2576 size = 24 + entry_count * entry_size;
2578 /* write the atom data */
2579 avio_wb32(pb, size);
2580 ffio_wfourcc(pb, "edts");
2581 avio_wb32(pb, size - 8);
2582 ffio_wfourcc(pb, "elst");
2583 avio_w8(pb, version);
2584 avio_wb24(pb, 0); /* flags */
2586 avio_wb32(pb, entry_count);
2587 if (delay > 0) { /* add an empty edit to delay presentation */
2588 /* In the positive delay case, the delay includes the cts
2589 * offset, and the second edit list entry below trims out
2590 * the same amount from the actual content. This makes sure
2591 * that the offset last sample is included in the edit
2592 * list duration as well. */
2594 avio_wb64(pb, delay);
2597 avio_wb32(pb, delay);
2600 avio_wb32(pb, 0x00010000);
2602 /* Avoid accidentally ending up with start_ct = -1 which has got a
2603 * special meaning. Normally start_ct should end up positive or zero
2604 * here, but use FFMIN in case dts is a small positive integer
2605 * rounded to 0 when represented in MOV_TIMESCALE units. */
2606 av_assert0(av_rescale_rnd(start_dts, MOV_TIMESCALE, track->timescale, AV_ROUND_DOWN) <= 0);
2607 start_ct = -FFMIN(start_dts, 0);
2608 /* Note, this delay is calculated from the pts of the first sample,
2609 * ensuring that we don't reduce the duration for cases with
2614 /* For fragmented files, we don't know the full length yet. Setting
2615 * duration to 0 allows us to only specify the offset, including
2616 * the rest of the content (from all future fragments) without specifying
2617 * an explicit duration. */
2618 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
2623 avio_wb64(pb, duration);
2624 avio_wb64(pb, start_ct);
2626 avio_wb32(pb, duration);
2627 avio_wb32(pb, start_ct);
2629 avio_wb32(pb, 0x00010000);
2633 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
2635 avio_wb32(pb, 20); // size
2636 ffio_wfourcc(pb, "tref");
2637 avio_wb32(pb, 12); // size (subatom)
2638 avio_wl32(pb, track->tref_tag);
2639 avio_wb32(pb, track->tref_id);
2643 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
2644 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
2646 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
2647 ffio_wfourcc(pb, "uuid");
2648 ffio_wfourcc(pb, "USMT");
2649 avio_wb32(pb, 0x21d24fce);
2650 avio_wb32(pb, 0xbb88695c);
2651 avio_wb32(pb, 0xfac9c740);
2652 avio_wb32(pb, 0x1c); // another size here!
2653 ffio_wfourcc(pb, "MTDT");
2654 avio_wb32(pb, 0x00010012);
2655 avio_wb32(pb, 0x0a);
2656 avio_wb32(pb, 0x55c40000);
2662 static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
2664 AVFormatContext *ctx = track->rtp_ctx;
2665 char buf[1000] = "";
2668 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
2669 NULL, NULL, 0, 0, ctx);
2670 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
2673 avio_wb32(pb, len + 24);
2674 ffio_wfourcc(pb, "udta");
2675 avio_wb32(pb, len + 16);
2676 ffio_wfourcc(pb, "hnti");
2677 avio_wb32(pb, len + 8);
2678 ffio_wfourcc(pb, "sdp ");
2679 avio_write(pb, buf, len);
2683 static int mov_write_track_metadata(AVIOContext *pb, AVStream *st,
2684 const char *tag, const char *str)
2686 int64_t pos = avio_tell(pb);
2687 AVDictionaryEntry *t = av_dict_get(st->metadata, str, NULL, 0);
2688 if (!t || !utf8len(t->value))
2691 avio_wb32(pb, 0); /* size */
2692 ffio_wfourcc(pb, tag); /* type */
2693 avio_write(pb, t->value, strlen(t->value)); /* UTF8 string value */
2694 return update_size(pb, pos);
2697 static int mov_write_track_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
2700 AVIOContext *pb_buf;
2707 ret = avio_open_dyn_buf(&pb_buf);
2711 if (mov->mode & MODE_MP4)
2712 mov_write_track_metadata(pb_buf, st, "name", "title");
2714 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
2715 avio_wb32(pb, size + 8);
2716 ffio_wfourcc(pb, "udta");
2717 avio_write(pb, buf, size);
2724 static int mov_write_trak_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov,
2725 MOVTrack *track, AVStream *st)
2727 int64_t pos = avio_tell(pb);
2728 int entry_backup = track->entry;
2729 int chunk_backup = track->chunkCount;
2732 /* If we want to have an empty moov, but some samples already have been
2733 * buffered (delay_moov), pretend that no samples have been written yet. */
2734 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV)
2735 track->chunkCount = track->entry = 0;
2737 avio_wb32(pb, 0); /* size */
2738 ffio_wfourcc(pb, "trak");
2739 mov_write_tkhd_tag(pb, mov, track, st);
2741 av_assert2(mov->use_editlist >= 0);
2743 if (track->start_dts != AV_NOPTS_VALUE) {
2744 if (mov->use_editlist)
2745 mov_write_edts_tag(pb, mov, track); // PSP Movies and several other cases require edts box
2746 else if ((track->entry && track->cluster[0].dts) || track->mode == MODE_PSP || is_clcp_track(track))
2747 av_log(mov->fc, AV_LOG_WARNING,
2748 "Not writing any edit list even though one would have been required\n");
2751 if (track->tref_tag)
2752 mov_write_tref_tag(pb, track);
2754 if ((ret = mov_write_mdia_tag(s, pb, mov, track)) < 0)
2756 if (track->mode == MODE_PSP)
2757 mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box
2758 if (track->tag == MKTAG('r','t','p',' '))
2759 mov_write_udta_sdp(pb, track);
2760 if (track->mode == MODE_MOV) {
2761 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
2762 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
2763 if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio) {
2764 mov_write_tapt_tag(pb, track);
2767 if (is_clcp_track(track) && st->sample_aspect_ratio.num) {
2768 mov_write_tapt_tag(pb, track);
2771 mov_write_track_udta_tag(pb, mov, st);
2772 track->entry = entry_backup;
2773 track->chunkCount = chunk_backup;
2774 return update_size(pb, pos);
2777 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
2779 int i, has_audio = 0, has_video = 0;
2780 int64_t pos = avio_tell(pb);
2781 int audio_profile = mov->iods_audio_profile;
2782 int video_profile = mov->iods_video_profile;
2783 for (i = 0; i < mov->nb_streams; i++) {
2784 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
2785 has_audio |= mov->tracks[i].par->codec_type == AVMEDIA_TYPE_AUDIO;
2786 has_video |= mov->tracks[i].par->codec_type == AVMEDIA_TYPE_VIDEO;
2789 if (audio_profile < 0)
2790 audio_profile = 0xFF - has_audio;
2791 if (video_profile < 0)
2792 video_profile = 0xFF - has_video;
2793 avio_wb32(pb, 0x0); /* size */
2794 ffio_wfourcc(pb, "iods");
2795 avio_wb32(pb, 0); /* version & flags */
2796 put_descr(pb, 0x10, 7);
2797 avio_wb16(pb, 0x004f);
2800 avio_w8(pb, audio_profile);
2801 avio_w8(pb, video_profile);
2803 return update_size(pb, pos);
2806 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
2808 avio_wb32(pb, 0x20); /* size */
2809 ffio_wfourcc(pb, "trex");
2810 avio_wb32(pb, 0); /* version & flags */
2811 avio_wb32(pb, track->track_id); /* track ID */
2812 avio_wb32(pb, 1); /* default sample description index */
2813 avio_wb32(pb, 0); /* default sample duration */
2814 avio_wb32(pb, 0); /* default sample size */
2815 avio_wb32(pb, 0); /* default sample flags */
2819 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
2821 int64_t pos = avio_tell(pb);
2823 avio_wb32(pb, 0x0); /* size */
2824 ffio_wfourcc(pb, "mvex");
2825 for (i = 0; i < mov->nb_streams; i++)
2826 mov_write_trex_tag(pb, &mov->tracks[i]);
2827 return update_size(pb, pos);
2830 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
2832 int max_track_id = 1, i;
2833 int64_t max_track_len = 0;
2836 for (i = 0; i < mov->nb_streams; i++) {
2837 if (mov->tracks[i].entry > 0 && mov->tracks[i].timescale) {
2838 int64_t max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
2840 mov->tracks[i].timescale,
2842 if (max_track_len < max_track_len_temp)
2843 max_track_len = max_track_len_temp;
2844 if (max_track_id < mov->tracks[i].track_id)
2845 max_track_id = mov->tracks[i].track_id;
2848 /* If using delay_moov, make sure the output is the same as if no
2849 * samples had been written yet. */
2850 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
2855 version = max_track_len < UINT32_MAX ? 0 : 1;
2856 avio_wb32(pb, version == 1 ? 120 : 108); /* size */
2858 ffio_wfourcc(pb, "mvhd");
2859 avio_w8(pb, version);
2860 avio_wb24(pb, 0); /* flags */
2862 avio_wb64(pb, mov->time);
2863 avio_wb64(pb, mov->time);
2865 avio_wb32(pb, mov->time); /* creation time */
2866 avio_wb32(pb, mov->time); /* modification time */
2868 avio_wb32(pb, MOV_TIMESCALE);
2869 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
2871 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
2872 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
2873 avio_wb16(pb, 0); /* reserved */
2874 avio_wb32(pb, 0); /* reserved */
2875 avio_wb32(pb, 0); /* reserved */
2877 /* Matrix structure */
2878 write_matrix(pb, 1, 0, 0, 1, 0, 0);
2880 avio_wb32(pb, 0); /* reserved (preview time) */
2881 avio_wb32(pb, 0); /* reserved (preview duration) */
2882 avio_wb32(pb, 0); /* reserved (poster time) */
2883 avio_wb32(pb, 0); /* reserved (selection time) */
2884 avio_wb32(pb, 0); /* reserved (selection duration) */
2885 avio_wb32(pb, 0); /* reserved (current time) */
2886 avio_wb32(pb, max_track_id + 1); /* Next track id */
2890 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
2893 avio_wb32(pb, 33); /* size */
2894 ffio_wfourcc(pb, "hdlr");
2897 ffio_wfourcc(pb, "mdir");
2898 ffio_wfourcc(pb, "appl");
2905 /* helper function to write a data tag with the specified string as data */
2906 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
2909 int size = 16 + strlen(data);
2910 avio_wb32(pb, size); /* size */
2911 ffio_wfourcc(pb, "data");
2914 avio_write(pb, data, strlen(data));
2918 lang = ff_mov_iso639_to_lang("und", 1);
2919 avio_wb16(pb, strlen(data)); /* string length */
2920 avio_wb16(pb, lang);
2921 avio_write(pb, data, strlen(data));
2922 return strlen(data) + 4;
2926 static int mov_write_string_tag(AVIOContext *pb, const char *name,
2927 const char *value, int lang, int long_style)
2930 if (value && value[0]) {
2931 int64_t pos = avio_tell(pb);
2932 avio_wb32(pb, 0); /* size */
2933 ffio_wfourcc(pb, name);
2934 mov_write_string_data_tag(pb, value, lang, long_style);
2935 size = update_size(pb, pos);
2940 static AVDictionaryEntry *get_metadata_lang(AVFormatContext *s,
2941 const char *tag, int *lang)
2944 AVDictionaryEntry *t, *t2 = NULL;
2949 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
2952 len = strlen(t->key);
2953 snprintf(tag2, sizeof(tag2), "%s-", tag);
2954 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
2955 len2 = strlen(t2->key);
2956 if (len2 == len + 4 && !strcmp(t->value, t2->value)
2957 && (l = ff_mov_iso639_to_lang(&t2->key[len2 - 3], 1)) >= 0) {
2965 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
2966 const char *name, const char *tag,
2970 AVDictionaryEntry *t = get_metadata_lang(s, tag, &lang);
2973 return mov_write_string_tag(pb, name, t->value, lang, long_style);
2976 /* iTunes bpm number */
2977 static int mov_write_tmpo_tag(AVIOContext *pb, AVFormatContext *s)
2979 AVDictionaryEntry *t = av_dict_get(s->metadata, "tmpo", NULL, 0);
2980 int size = 0, tmpo = t ? atoi(t->value) : 0;
2983 avio_wb32(pb, size);
2984 ffio_wfourcc(pb, "tmpo");
2985 avio_wb32(pb, size-8); /* size */
2986 ffio_wfourcc(pb, "data");
2987 avio_wb32(pb, 0x15); //type specifier
2989 avio_wb16(pb, tmpo); // data
2994 /* 3GPP TS 26.244 */
2995 static int mov_write_loci_tag(AVFormatContext *s, AVIOContext *pb)
2998 int64_t pos = avio_tell(pb);
2999 double latitude, longitude, altitude;
3000 int32_t latitude_fix, longitude_fix, altitude_fix;
3001 AVDictionaryEntry *t = get_metadata_lang(s, "location", &lang);
3002 const char *ptr, *place = "";
3004 static const char *astronomical_body = "earth";
3009 longitude = strtod(ptr, &end);
3011 av_log(s, AV_LOG_WARNING, "malformed location metadata\n");
3015 latitude = strtod(ptr, &end);
3017 av_log(s, AV_LOG_WARNING, "malformed location metadata\n");
3021 altitude = strtod(ptr, &end);
3022 /* If no altitude was present, the default 0 should be fine */
3026 latitude_fix = (int32_t) ((1 << 16) * latitude);
3027 longitude_fix = (int32_t) ((1 << 16) * longitude);
3028 altitude_fix = (int32_t) ((1 << 16) * altitude);
3030 avio_wb32(pb, 0); /* size */
3031 ffio_wfourcc(pb, "loci"); /* type */
3032 avio_wb32(pb, 0); /* version + flags */
3033 avio_wb16(pb, lang);
3034 avio_write(pb, place, strlen(place) + 1);
3035 avio_w8(pb, 0); /* role of place (0 == shooting location, 1 == real location, 2 == fictional location) */
3036 avio_wb32(pb, latitude_fix);
3037 avio_wb32(pb, longitude_fix);
3038 avio_wb32(pb, altitude_fix);
3039 avio_write(pb, astronomical_body, strlen(astronomical_body) + 1);
3040 avio_w8(pb, 0); /* additional notes, null terminated string */
3042 return update_size(pb, pos);
3045 /* iTunes track or disc number */
3046 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
3047 AVFormatContext *s, int disc)
3049 AVDictionaryEntry *t = av_dict_get(s->metadata,
3050 disc ? "disc" : "track",
3052 int size = 0, track = t ? atoi(t->value) : 0;
3055 char *slash = strchr(t->value, '/');
3057 tracks = atoi(slash + 1);
3058 avio_wb32(pb, 32); /* size */
3059 ffio_wfourcc(pb, disc ? "disk" : "trkn");
3060 avio_wb32(pb, 24); /* size */
3061 ffio_wfourcc(pb, "data");
3062 avio_wb32(pb, 0); // 8 bytes empty
3064 avio_wb16(pb, 0); // empty
3065 avio_wb16(pb, track); // track / disc number
3066 avio_wb16(pb, tracks); // total track / disc number
3067 avio_wb16(pb, 0); // empty
3073 static int mov_write_int8_metadata(AVFormatContext *s, AVIOContext *pb,
3074 const char *name, const char *tag,
3077 AVDictionaryEntry *t = NULL;
3079 int size = 24 + len;
3081 if (len != 1 && len != 4)
3084 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
3086 num = atoi(t->value);
3088 avio_wb32(pb, size);
3089 ffio_wfourcc(pb, name);
3090 avio_wb32(pb, size - 8);
3091 ffio_wfourcc(pb, "data");
3092 avio_wb32(pb, 0x15);
3094 if (len==4) avio_wb32(pb, num);
3095 else avio_w8 (pb, num);
3100 /* iTunes meta data list */
3101 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
3104 int64_t pos = avio_tell(pb);
3105 avio_wb32(pb, 0); /* size */
3106 ffio_wfourcc(pb, "ilst");
3107 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
3108 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
3109 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
3110 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
3111 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
3112 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
3113 if (!mov_write_string_metadata(s, pb, "\251too", "encoding_tool", 1)) {
3114 if (!(s->flags & AVFMT_FLAG_BITEXACT))
3115 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
3117 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
3118 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
3119 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
3120 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
3121 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
3122 mov_write_string_metadata(s, pb, "desc", "description",1);
3123 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
3124 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
3125 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
3126 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
3127 mov_write_int8_metadata (s, pb, "tves", "episode_sort",4);
3128 mov_write_int8_metadata (s, pb, "tvsn", "season_number",4);
3129 mov_write_int8_metadata (s, pb, "stik", "media_type",1);
3130 mov_write_int8_metadata (s, pb, "hdvd", "hd_video", 1);
3131 mov_write_int8_metadata (s, pb, "pgap", "gapless_playback",1);
3132 mov_write_int8_metadata (s, pb, "cpil", "compilation", 1);
3133 mov_write_trkn_tag(pb, mov, s, 0); // track number
3134 mov_write_trkn_tag(pb, mov, s, 1); // disc number
3135 mov_write_tmpo_tag(pb, s);
3136 return update_size(pb, pos);
3139 static int mov_write_mdta_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
3142 avio_wb32(pb, 33); /* size */
3143 ffio_wfourcc(pb, "hdlr");
3146 ffio_wfourcc(pb, "mdta");
3154 static int mov_write_mdta_keys_tag(AVIOContext *pb, MOVMuxContext *mov,
3157 AVDictionaryEntry *t = NULL;
3158 int64_t pos = avio_tell(pb);
3159 int64_t curpos, entry_pos;
3162 avio_wb32(pb, 0); /* size */
3163 ffio_wfourcc(pb, "keys");
3165 entry_pos = avio_tell(pb);
3166 avio_wb32(pb, 0); /* entry count */
3168 while (t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX)) {
3169 avio_wb32(pb, strlen(t->key) + 8);
3170 ffio_wfourcc(pb, "mdta");
3171 avio_write(pb, t->key, strlen(t->key));
3174 curpos = avio_tell(pb);
3175 avio_seek(pb, entry_pos, SEEK_SET);
3176 avio_wb32(pb, count); // rewrite entry count
3177 avio_seek(pb, curpos, SEEK_SET);
3179 return update_size(pb, pos);
3182 static int mov_write_mdta_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
3185 AVDictionaryEntry *t = NULL;
3186 int64_t pos = avio_tell(pb);
3187 int count = 1; /* keys are 1-index based */
3189 avio_wb32(pb, 0); /* size */
3190 ffio_wfourcc(pb, "ilst");
3192 while (t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX)) {
3193 int64_t entry_pos = avio_tell(pb);
3194 avio_wb32(pb, 0); /* size */
3195 avio_wb32(pb, count); /* key */
3196 mov_write_string_data_tag(pb, t->value, 0, 1);
3197 update_size(pb, entry_pos);
3200 return update_size(pb, pos);
3203 /* meta data tags */
3204 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
3208 int64_t pos = avio_tell(pb);
3209 avio_wb32(pb, 0); /* size */
3210 ffio_wfourcc(pb, "meta");
3212 if (mov->flags & FF_MOV_FLAG_USE_MDTA) {
3213 mov_write_mdta_hdlr_tag(pb, mov, s);
3214 mov_write_mdta_keys_tag(pb, mov, s);
3215 mov_write_mdta_ilst_tag(pb, mov, s);
3218 /* iTunes metadata tag */
3219 mov_write_itunes_hdlr_tag(pb, mov, s);
3220 mov_write_ilst_tag(pb, mov, s);
3222 size = update_size(pb, pos);
3226 static int mov_write_raw_metadata_tag(AVFormatContext *s, AVIOContext *pb,
3227 const char *name, const char *key)
3230 AVDictionaryEntry *t;
3232 if (!(t = av_dict_get(s->metadata, key, NULL, 0)))
3235 len = strlen(t->value);
3238 avio_wb32(pb, size);
3239 ffio_wfourcc(pb, name);
3240 avio_write(pb, t->value, len);
3246 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
3250 GET_UTF8(val, *b++, return -1;)
3253 avio_wb16(pb, 0x00);
3257 static uint16_t language_code(const char *str)
3259 return (((str[0] - 0x60) & 0x1F) << 10) +
3260 (((str[1] - 0x60) & 0x1F) << 5) +
3261 (( str[2] - 0x60) & 0x1F);
3264 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
3265 const char *tag, const char *str)
3267 int64_t pos = avio_tell(pb);
3268 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
3269 if (!t || !utf8len(t->value))
3271 avio_wb32(pb, 0); /* size */
3272 ffio_wfourcc(pb, tag); /* type */
3273 avio_wb32(pb, 0); /* version + flags */
3274 if (!strcmp(tag, "yrrc"))
3275 avio_wb16(pb, atoi(t->value));
3277 avio_wb16(pb, language_code("eng")); /* language */
3278 avio_write(pb, t->value, strlen(t->value) + 1); /* UTF8 string value */
3279 if (!strcmp(tag, "albm") &&
3280 (t = av_dict_get(s->metadata, "track", NULL, 0)))
3281 avio_w8(pb, atoi(t->value));
3283 return update_size(pb, pos);
3286 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
3288 int64_t pos = avio_tell(pb);
3289 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
3291 avio_wb32(pb, 0); // size
3292 ffio_wfourcc(pb, "chpl");
3293 avio_wb32(pb, 0x01000000); // version + flags
3294 avio_wb32(pb, 0); // unknown
3295 avio_w8(pb, nb_chapters);
3297 for (i = 0; i < nb_chapters; i++) {
3298 AVChapter *c = s->chapters[i];
3299 AVDictionaryEntry *t;
3300 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
3302 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3303 int len = FFMIN(strlen(t->value), 255);
3305 avio_write(pb, t->value, len);
3309 return update_size(pb, pos);
3312 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
3315 AVIOContext *pb_buf;
3319 ret = avio_open_dyn_buf(&pb_buf);
3323 if (mov->mode & MODE_3GP) {
3324 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
3325 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
3326 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
3327 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
3328 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
3329 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
3330 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
3331 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
3332 mov_write_loci_tag(s, pb_buf);
3333 } else if (mov->mode == MODE_MOV && !(mov->flags & FF_MOV_FLAG_USE_MDTA)) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
3334 mov_write_string_metadata(s, pb_buf, "\251ART", "artist", 0);
3335 mov_write_string_metadata(s, pb_buf, "\251nam", "title", 0);
3336 mov_write_string_metadata(s, pb_buf, "\251aut", "author", 0);
3337 mov_write_string_metadata(s, pb_buf, "\251alb", "album", 0);
3338 mov_write_string_metadata(s, pb_buf, "\251day", "date", 0);
3339 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder", 0);
3340 // currently ignored by mov.c
3341 mov_write_string_metadata(s, pb_buf, "\251des", "comment", 0);
3342 // add support for libquicktime, this atom is also actually read by mov.c
3343 mov_write_string_metadata(s, pb_buf, "\251cmt", "comment", 0);
3344 mov_write_string_metadata(s, pb_buf, "\251gen", "genre", 0);
3345 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright", 0);
3346 mov_write_string_metadata(s, pb_buf, "\251mak", "make", 0);
3347 mov_write_string_metadata(s, pb_buf, "\251mod", "model", 0);
3348 mov_write_string_metadata(s, pb_buf, "\251xyz", "location", 0);
3349 mov_write_raw_metadata_tag(s, pb_buf, "XMP_", "xmp");
3351 /* iTunes meta data */
3352 mov_write_meta_tag(pb_buf, mov, s);
3353 mov_write_loci_tag(s, pb_buf);
3356 if (s->nb_chapters && !(mov->flags & FF_MOV_FLAG_DISABLE_CHPL))
3357 mov_write_chpl_tag(pb_buf, s);
3359 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
3360 avio_wb32(pb, size + 8);
3361 ffio_wfourcc(pb, "udta");
3362 avio_write(pb, buf, size);
3369 static void mov_write_psp_udta_tag(AVIOContext *pb,
3370 const char *str, const char *lang, int type)
3372 int len = utf8len(str) + 1;
3375 avio_wb16(pb, len * 2 + 10); /* size */
3376 avio_wb32(pb, type); /* type */
3377 avio_wb16(pb, language_code(lang)); /* language */
3378 avio_wb16(pb, 0x01); /* ? */
3379 ascii_to_wc(pb, str);
3382 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
3384 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
3388 pos = avio_tell(pb);
3389 avio_wb32(pb, 0); /* size placeholder*/
3390 ffio_wfourcc(pb, "uuid");
3391 ffio_wfourcc(pb, "USMT");
3392 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
3393 avio_wb32(pb, 0xbb88695c);
3394 avio_wb32(pb, 0xfac9c740);
3396 pos2 = avio_tell(pb);
3397 avio_wb32(pb, 0); /* size placeholder*/
3398 ffio_wfourcc(pb, "MTDT");
3402 avio_wb16(pb, 0x0C); /* size */
3403 avio_wb32(pb, 0x0B); /* type */
3404 avio_wb16(pb, language_code("und")); /* language */
3405 avio_wb16(pb, 0x0); /* ? */
3406 avio_wb16(pb, 0x021C); /* data */
3408 if (!(s->flags & AVFMT_FLAG_BITEXACT))
3409 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
3410 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
3411 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
3413 update_size(pb, pos2);
3414 return update_size(pb, pos);
3420 static void build_chunks(MOVTrack *trk)
3423 MOVIentry *chunk = &trk->cluster[0];
3424 uint64_t chunkSize = chunk->size;
3425 chunk->chunkNum = 1;
3426 if (trk->chunkCount)
3428 trk->chunkCount = 1;
3429 for (i = 1; i<trk->entry; i++){
3430 if (chunk->pos + chunkSize == trk->cluster[i].pos &&
3431 chunkSize + trk->cluster[i].size < (1<<20)){
3432 chunkSize += trk->cluster[i].size;
3433 chunk->samples_in_chunk += trk->cluster[i].entries;
3435 trk->cluster[i].chunkNum = chunk->chunkNum+1;
3436 chunk=&trk->cluster[i];
3437 chunkSize = chunk->size;
3444 * Assign track ids. If option "use_stream_ids_as_track_ids" is set,
3445 * the stream ids are used as track ids.
3447 * This assumes mov->tracks and s->streams are in the same order and
3448 * there are no gaps in either of them (so mov->tracks[n] refers to
3451 * As an exception, there can be more entries in
3452 * s->streams than in mov->tracks, in which case new track ids are
3453 * generated (starting after the largest found stream id).
3455 static int mov_setup_track_ids(MOVMuxContext *mov, AVFormatContext *s)
3459 if (mov->track_ids_ok)
3462 if (mov->use_stream_ids_as_track_ids) {
3463 int next_generated_track_id = 0;
3464 for (i = 0; i < s->nb_streams; i++) {
3465 if (s->streams[i]->id > next_generated_track_id)
3466 next_generated_track_id = s->streams[i]->id;
3469 for (i = 0; i < mov->nb_streams; i++) {
3470 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
3473 mov->tracks[i].track_id = i >= s->nb_streams ? ++next_generated_track_id : s->streams[i]->id;
3476 for (i = 0; i < mov->nb_streams; i++) {
3477 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
3480 mov->tracks[i].track_id = i + 1;
3484 mov->track_ids_ok = 1;
3489 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
3493 int64_t pos = avio_tell(pb);
3494 avio_wb32(pb, 0); /* size placeholder*/
3495 ffio_wfourcc(pb, "moov");
3497 mov_setup_track_ids(mov, s);
3499 for (i = 0; i < mov->nb_streams; i++) {
3500 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
3503 mov->tracks[i].time = mov->time;
3505 if (mov->tracks[i].entry)
3506 build_chunks(&mov->tracks[i]);
3509 if (mov->chapter_track)
3510 for (i = 0; i < s->nb_streams; i++) {
3511 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
3512 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
3514 for (i = 0; i < mov->nb_streams; i++) {
3515 MOVTrack *track = &mov->tracks[i];
3516 if (track->tag == MKTAG('r','t','p',' ')) {
3517 track->tref_tag = MKTAG('h','i','n','t');
3518 track->tref_id = mov->tracks[track->src_track].track_id;
3519 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
3520 int * fallback, size;
3521 fallback = (int*)av_stream_get_side_data(track->st,
3522 AV_PKT_DATA_FALLBACK_TRACK,
3524 if (fallback != NULL && size == sizeof(int)) {
3525 if (*fallback >= 0 && *fallback < mov->nb_streams) {
3526 track->tref_tag = MKTAG('f','a','l','l');
3527 track->tref_id = mov->tracks[*fallback].track_id;
3532 for (i = 0; i < mov->nb_streams; i++) {
3533 if (mov->tracks[i].tag == MKTAG('t','m','c','d')) {
3534 int src_trk = mov->tracks[i].src_track;
3535 mov->tracks[src_trk].tref_tag = mov->tracks[i].tag;
3536 mov->tracks[src_trk].tref_id = mov->tracks[i].track_id;
3537 //src_trk may have a different timescale than the tmcd track
3538 mov->tracks[i].track_duration = av_rescale(mov->tracks[src_trk].track_duration,
3539 mov->tracks[i].timescale,
3540 mov->tracks[src_trk].timescale);
3544 mov_write_mvhd_tag(pb, mov);
3545 if (mov->mode != MODE_MOV && !mov->iods_skip)
3546 mov_write_iods_tag(pb, mov);
3547 for (i = 0; i < mov->nb_streams; i++) {
3548 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
3549 int ret = mov_write_trak_tag(s, pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
3554 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
3555 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
3557 if (mov->mode == MODE_PSP)
3558 mov_write_uuidusmt_tag(pb, s);
3560 mov_write_udta_tag(pb, mov, s);
3562 return update_size(pb, pos);
3565 static void param_write_int(AVIOContext *pb, const char *name, int value)
3567 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
3570 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
3572 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
3575 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
3578 len = FFMIN(sizeof(buf) / 2 - 1, len);
3579 ff_data_to_hex(buf, value, len, 0);
3580 buf[2 * len] = '\0';
3581 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
3584 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov, AVFormatContext *s)
3586 int64_t pos = avio_tell(pb);
3588 int64_t manifest_bit_rate = 0;
3589 AVCPBProperties *props = NULL;
3591 static const uint8_t uuid[] = {
3592 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
3593 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
3597 ffio_wfourcc(pb, "uuid");
3598 avio_write(pb, uuid, sizeof(uuid));
3601 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
3602 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
3603 avio_printf(pb, "<head>\n");
3604 if (!(mov->fc->flags & AVFMT_FLAG_BITEXACT))
3605 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
3607 avio_printf(pb, "</head>\n");
3608 avio_printf(pb, "<body>\n");
3609 avio_printf(pb, "<switch>\n");
3611 mov_setup_track_ids(mov, s);
3613 for (i = 0; i < mov->nb_streams; i++) {
3614 MOVTrack *track = &mov->tracks[i];
3616 int track_id = track->track_id;
3618 AVStream *st = track->st;
3619 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
3621 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
3623 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
3629 props = (AVCPBProperties*)av_stream_get_side_data(track->st, AV_PKT_DATA_CPB_PROPERTIES, NULL);
3631 if (track->par->bit_rate) {
3632 manifest_bit_rate = track->par->bit_rate;
3634 manifest_bit_rate = props->max_bitrate;
3637 avio_printf(pb, "<%s systemBitrate=\"%"PRId64"\">\n", type,
3639 param_write_int(pb, "systemBitrate", manifest_bit_rate);
3640 param_write_int(pb, "trackID", track_id);
3641 param_write_string(pb, "systemLanguage", lang ? lang->value : "und");
3642 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
3643 if (track->par->codec_id == AV_CODEC_ID_H264) {
3645 int size = track->par->extradata_size;
3646 if (!ff_avc_write_annexb_extradata(track->par->extradata, &ptr,
3648 param_write_hex(pb, "CodecPrivateData",
3649 ptr ? ptr : track->par->extradata,
3653 param_write_string(pb, "FourCC", "H264");
3654 } else if (track->par->codec_id == AV_CODEC_ID_VC1) {
3655 param_write_string(pb, "FourCC", "WVC1");
3656 param_write_hex(pb, "CodecPrivateData", track->par->extradata,
3657 track->par->extradata_size);
3659 param_write_int(pb, "MaxWidth", track->par->width);
3660 param_write_int(pb, "MaxHeight", track->par->height);
3661 param_write_int(pb, "DisplayWidth", track->par->width);
3662 param_write_int(pb, "DisplayHeight", track->par->height);
3664 if (track->par->codec_id == AV_CODEC_ID_AAC) {
3665 switch (track->par->profile)
3667 case FF_PROFILE_AAC_HE_V2:
3668 param_write_string(pb, "FourCC", "AACP");
3670 case FF_PROFILE_AAC_HE:
3671 param_write_string(pb, "FourCC", "AACH");
3674 param_write_string(pb, "FourCC", "AACL");
3676 } else if (track->par->codec_id == AV_CODEC_ID_WMAPRO) {
3677 param_write_string(pb, "FourCC", "WMAP");
3679 param_write_hex(pb, "CodecPrivateData", track->par->extradata,
3680 track->par->extradata_size);
3681 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
3682 track->par->codec_id));
3683 param_write_int(pb, "Channels", track->par->channels);
3684 param_write_int(pb, "SamplingRate", track->par->sample_rate);
3685 param_write_int(pb, "BitsPerSample", 16);
3686 param_write_int(pb, "PacketSize", track->par->block_align ?
3687 track->par->block_align : 4);
3689 avio_printf(pb, "</%s>\n", type);
3691 avio_printf(pb, "</switch>\n");
3692 avio_printf(pb, "</body>\n");
3693 avio_printf(pb, "</smil>\n");
3695 return update_size(pb, pos);
3698 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
3701 ffio_wfourcc(pb, "mfhd");
3703 avio_wb32(pb, mov->fragments);
3707 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
3709 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
3710 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
3713 static int mov_write_tfhd_tag(AVIOContext *pb, MOVMuxContext *mov,
3714 MOVTrack *track, int64_t moof_offset)
3716 int64_t pos = avio_tell(pb);
3717 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
3718 MOV_TFHD_BASE_DATA_OFFSET;
3719 if (!track->entry) {
3720 flags |= MOV_TFHD_DURATION_IS_EMPTY;
3722 flags |= MOV_TFHD_DEFAULT_FLAGS;
3724 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET)
3725 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
3726 if (mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) {
3727 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
3728 flags |= MOV_TFHD_DEFAULT_BASE_IS_MOOF;
3731 /* Don't set a default sample size, the silverlight player refuses
3732 * to play files with that set. Don't set a default sample duration,
3733 * WMP freaks out if it is set. Don't set a base data offset, PIFF
3734 * file format says it MUST NOT be set. */
3735 if (track->mode == MODE_ISM)
3736 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
3737 MOV_TFHD_BASE_DATA_OFFSET);
3739 avio_wb32(pb, 0); /* size placeholder */
3740 ffio_wfourcc(pb, "tfhd");
3741 avio_w8(pb, 0); /* version */
3742 avio_wb24(pb, flags);
3744 avio_wb32(pb, track->track_id); /* track-id */
3745 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
3746 avio_wb64(pb, moof_offset);
3747 if (flags & MOV_TFHD_DEFAULT_DURATION) {
3748 track->default_duration = get_cluster_duration(track, 0);
3749 avio_wb32(pb, track->default_duration);
3751 if (flags & MOV_TFHD_DEFAULT_SIZE) {
3752 track->default_size = track->entry ? track->cluster[0].size : 1;
3753 avio_wb32(pb, track->default_size);
3755 track->default_size = -1;
3757 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
3758 /* Set the default flags based on the second sample, if available.
3759 * If the first sample is different, that can be signaled via a separate field. */
3760 if (track->entry > 1)
3761 track->default_sample_flags = get_sample_flags(track, &track->cluster[1]);
3763 track->default_sample_flags =
3764 track->par->codec_type == AVMEDIA_TYPE_VIDEO ?
3765 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
3766 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
3767 avio_wb32(pb, track->default_sample_flags);
3770 return update_size(pb, pos);
3773 static int mov_write_trun_tag(AVIOContext *pb, MOVMuxContext *mov,
3774 MOVTrack *track, int moof_size,
3777 int64_t pos = avio_tell(pb);
3778 uint32_t flags = MOV_TRUN_DATA_OFFSET;
3781 for (i = first; i < end; i++) {
3782 if (get_cluster_duration(track, i) != track->default_duration)
3783 flags |= MOV_TRUN_SAMPLE_DURATION;
3784 if (track->cluster[i].size != track->default_size)
3785 flags |= MOV_TRUN_SAMPLE_SIZE;
3786 if (i > first && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
3787 flags |= MOV_TRUN_SAMPLE_FLAGS;
3789 if (!(flags & MOV_TRUN_SAMPLE_FLAGS) && track->entry > 0 &&
3790 get_sample_flags(track, &track->cluster[0]) != track->default_sample_flags)
3791 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
3792 if (track->flags & MOV_TRACK_CTTS)
3793 flags |= MOV_TRUN_SAMPLE_CTS;
3795 avio_wb32(pb, 0); /* size placeholder */
3796 ffio_wfourcc(pb, "trun");
3797 avio_w8(pb, 0); /* version */
3798 avio_wb24(pb, flags);
3800 avio_wb32(pb, end - first); /* sample count */
3801 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
3802 !(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) &&
3804 avio_wb32(pb, 0); /* Later tracks follow immediately after the previous one */
3806 avio_wb32(pb, moof_size + 8 + track->data_offset +
3807 track->cluster[first].pos); /* data offset */
3808 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
3809 avio_wb32(pb, get_sample_flags(track, &track->cluster[first]));
3811 for (i = first; i < end; i++) {
3812 if (flags & MOV_TRUN_SAMPLE_DURATION)
3813 avio_wb32(pb, get_cluster_duration(track, i));
3814 if (flags & MOV_TRUN_SAMPLE_SIZE)
3815 avio_wb32(pb, track->cluster[i].size);
3816 if (flags & MOV_TRUN_SAMPLE_FLAGS)
3817 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
3818 if (flags & MOV_TRUN_SAMPLE_CTS)
3819 avio_wb32(pb, track->cluster[i].cts);
3822 mov->first_trun = 0;
3823 return update_size(pb, pos);
3826 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
3828 int64_t pos = avio_tell(pb);
3829 static const uint8_t uuid[] = {
3830 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
3831 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
3834 avio_wb32(pb, 0); /* size placeholder */
3835 ffio_wfourcc(pb, "uuid");
3836 avio_write(pb, uuid, sizeof(uuid));
3839 avio_wb64(pb, track->start_dts + track->frag_start +
3840 track->cluster[0].cts);
3841 avio_wb64(pb, track->end_pts -
3842 (track->cluster[0].dts + track->cluster[0].cts));
3844 return update_size(pb, pos);
3847 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
3848 MOVTrack *track, int entry)
3850 int n = track->nb_frag_info - 1 - entry, i;
3851 int size = 8 + 16 + 4 + 1 + 16*n;
3852 static const uint8_t uuid[] = {
3853 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
3854 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
3860 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
3861 avio_wb32(pb, size);
3862 ffio_wfourcc(pb, "uuid");
3863 avio_write(pb, uuid, sizeof(uuid));
3867 for (i = 0; i < n; i++) {
3868 int index = entry + 1 + i;
3869 avio_wb64(pb, track->frag_info[index].time);
3870 avio_wb64(pb, track->frag_info[index].duration);
3872 if (n < mov->ism_lookahead) {
3873 int free_size = 16 * (mov->ism_lookahead - n);
3874 avio_wb32(pb, free_size);
3875 ffio_wfourcc(pb, "free");
3876 ffio_fill(pb, 0, free_size - 8);
3882 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
3885 int64_t pos = avio_tell(pb);
3887 for (i = 0; i < mov->ism_lookahead; i++) {
3888 /* Update the tfrf tag for the last ism_lookahead fragments,
3889 * nb_frag_info - 1 is the next fragment to be written. */
3890 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
3892 avio_seek(pb, pos, SEEK_SET);
3896 static int mov_add_tfra_entries(AVIOContext *pb, MOVMuxContext *mov, int tracks,
3900 for (i = 0; i < mov->nb_streams; i++) {
3901 MOVTrack *track = &mov->tracks[i];
3902 MOVFragmentInfo *info;
3903 if ((tracks >= 0 && i != tracks) || !track->entry)
3905 track->nb_frag_info++;
3906 if (track->nb_frag_info >= track->frag_info_capacity) {
3907 unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT;
3908 if (av_reallocp_array(&track->frag_info,
3910 sizeof(*track->frag_info)))
3911 return AVERROR(ENOMEM);
3912 track->frag_info_capacity = new_capacity;
3914 info = &track->frag_info[track->nb_frag_info - 1];
3915 info->offset = avio_tell(pb);
3917 // Try to recreate the original pts for the first packet
3918 // from the fields we have stored
3919 info->time = track->start_dts + track->frag_start +
3920 track->cluster[0].cts;
3921 info->duration = track->end_pts -
3922 (track->cluster[0].dts + track->cluster[0].cts);
3923 // If the pts is less than zero, we will have trimmed
3924 // away parts of the media track using an edit list,
3925 // and the corresponding start presentation time is zero.
3926 if (info->time < 0) {
3927 info->duration += info->time;
3930 info->tfrf_offset = 0;
3931 mov_write_tfrf_tags(pb, mov, track);
3936 static int mov_write_tfdt_tag(AVIOContext *pb, MOVTrack *track)
3938 int64_t pos = avio_tell(pb);
3940 avio_wb32(pb, 0); /* size */
3941 ffio_wfourcc(pb, "tfdt");
3942 avio_w8(pb, 1); /* version */
3944 avio_wb64(pb, track->frag_start);
3945 return update_size(pb, pos);
3948 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
3949 MOVTrack *track, int64_t moof_offset,
3952 int64_t pos = avio_tell(pb);
3954 avio_wb32(pb, 0); /* size placeholder */
3955 ffio_wfourcc(pb, "traf");
3957 mov_write_tfhd_tag(pb, mov, track, moof_offset);
3958 if (mov->mode != MODE_ISM)
3959 mov_write_tfdt_tag(pb, track);
3960 for (i = 1; i < track->entry; i++) {
3961 if (track->cluster[i].pos != track->cluster[i - 1].pos + track->cluster[i - 1].size) {
3962 mov_write_trun_tag(pb, mov, track, moof_size, start, i);
3966 mov_write_trun_tag(pb, mov, track, moof_size, start, track->entry);
3967 if (mov->mode == MODE_ISM) {
3968 mov_write_tfxd_tag(pb, track);
3970 if (mov->ism_lookahead) {
3971 int i, size = 16 + 4 + 1 + 16 * mov->ism_lookahead;
3973 if (track->nb_frag_info > 0) {
3974 MOVFragmentInfo *info = &track->frag_info[track->nb_frag_info - 1];
3975 if (!info->tfrf_offset)
3976 info->tfrf_offset = avio_tell(pb);
3978 avio_wb32(pb, 8 + size);
3979 ffio_wfourcc(pb, "free");
3980 for (i = 0; i < size; i++)
3985 return update_size(pb, pos);
3988 static int mov_write_moof_tag_internal(AVIOContext *pb, MOVMuxContext *mov,
3989 int tracks, int moof_size)
3991 int64_t pos = avio_tell(pb);
3994 avio_wb32(pb, 0); /* size placeholder */
3995 ffio_wfourcc(pb, "moof");
3996 mov->first_trun = 1;
3998 mov_write_mfhd_tag(pb, mov);
3999 for (i = 0; i < mov->nb_streams; i++) {
4000 MOVTrack *track = &mov->tracks[i];
4001 if (tracks >= 0 && i != tracks)
4005 mov_write_traf_tag(pb, mov, track, pos, moof_size);
4008 return update_size(pb, pos);
4011 static int mov_write_sidx_tag(AVIOContext *pb,
4012 MOVTrack *track, int ref_size, int total_sidx_size)
4014 int64_t pos = avio_tell(pb), offset_pos, end_pos;
4015 int64_t presentation_time, duration, offset;
4016 int starts_with_SAP, i, entries;
4020 presentation_time = track->start_dts + track->frag_start +
4021 track->cluster[0].cts;
4022 duration = track->end_pts -
4023 (track->cluster[0].dts + track->cluster[0].cts);
4024 starts_with_SAP = track->cluster[0].flags & MOV_SYNC_SAMPLE;
4026 // pts<0 should be cut away using edts
4027 if (presentation_time < 0) {
4028 duration += presentation_time;
4029 presentation_time = 0;
4032 entries = track->nb_frag_info;
4035 presentation_time = track->frag_info[0].time;
4038 avio_wb32(pb, 0); /* size */
4039 ffio_wfourcc(pb, "sidx");
4040 avio_w8(pb, 1); /* version */
4042 avio_wb32(pb, track->track_id); /* reference_ID */
4043 avio_wb32(pb, track->timescale); /* timescale */
4044 avio_wb64(pb, presentation_time); /* earliest_presentation_time */
4045 offset_pos = avio_tell(pb);
4046 avio_wb64(pb, 0); /* first_offset (offset to referenced moof) */
4047 avio_wb16(pb, 0); /* reserved */
4049 avio_wb16(pb, entries); /* reference_count */
4050 for (i = 0; i < entries; i++) {
4051 if (!track->entry) {
4052 if (i > 1 && track->frag_info[i].offset != track->frag_info[i - 1].offset + track->frag_info[i - 1].size) {
4053 av_log(NULL, AV_LOG_ERROR, "Non-consecutive fragments, writing incorrect sidx\n");
4055 duration = track->frag_info[i].duration;
4056 ref_size = track->frag_info[i].size;
4057 starts_with_SAP = 1;
4059 avio_wb32(pb, (0 << 31) | (ref_size & 0x7fffffff)); /* reference_type (0 = media) | referenced_size */
4060 avio_wb32(pb, duration); /* subsegment_duration */
4061 avio_wb32(pb, (starts_with_SAP << 31) | (0 << 28) | 0); /* starts_with_SAP | SAP_type | SAP_delta_time */
4064 end_pos = avio_tell(pb);
4065 offset = pos + total_sidx_size - end_pos;
4066 avio_seek(pb, offset_pos, SEEK_SET);
4067 avio_wb64(pb, offset);
4068 avio_seek(pb, end_pos, SEEK_SET);
4069 return update_size(pb, pos);
4072 static int mov_write_sidx_tags(AVIOContext *pb, MOVMuxContext *mov,
4073 int tracks, int ref_size)
4076 AVIOContext *avio_buf;
4078 for (round = 0; round < 2; round++) {
4079 // First run one round to calculate the total size of all
4081 // This would be much simpler if we'd only write one sidx
4082 // atom, for the first track in the moof.
4084 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
4089 for (i = 0; i < mov->nb_streams; i++) {
4090 MOVTrack *track = &mov->tracks[i];
4091 if (tracks >= 0 && i != tracks)
4093 // When writing a sidx for the full file, entry is 0, but
4094 // we want to include all tracks. ref_size is 0 in this case,
4095 // since we read it from frag_info instead.
4096 if (!track->entry && ref_size > 0)
4098 total_size -= mov_write_sidx_tag(avio_buf, track, ref_size,
4102 total_size = ffio_close_null_buf(avio_buf);
4107 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks,
4110 AVIOContext *avio_buf;
4113 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
4115 mov_write_moof_tag_internal(avio_buf, mov, tracks, 0);
4116 moof_size = ffio_close_null_buf(avio_buf);
4118 if (mov->flags & FF_MOV_FLAG_DASH && !(mov->flags & FF_MOV_FLAG_GLOBAL_SIDX))
4119 mov_write_sidx_tags(pb, mov, tracks, moof_size + 8 + mdat_size);
4121 if ((ret = mov_add_tfra_entries(pb, mov, tracks, moof_size + 8 + mdat_size)) < 0)
4124 return mov_write_moof_tag_internal(pb, mov, tracks, moof_size);
4127 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
4129 int64_t pos = avio_tell(pb);
4132 avio_wb32(pb, 0); /* size placeholder */
4133 ffio_wfourcc(pb, "tfra");
4134 avio_w8(pb, 1); /* version */
4137 avio_wb32(pb, track->track_id);
4138 avio_wb32(pb, 0); /* length of traf/trun/sample num */
4139 avio_wb32(pb, track->nb_frag_info);
4140 for (i = 0; i < track->nb_frag_info; i++) {
4141 avio_wb64(pb, track->frag_info[i].time);
4142 avio_wb64(pb, track->frag_info[i].offset + track->data_offset);
4143 avio_w8(pb, 1); /* traf number */
4144 avio_w8(pb, 1); /* trun number */
4145 avio_w8(pb, 1); /* sample number */
4148 return update_size(pb, pos);
4151 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
4153 int64_t pos = avio_tell(pb);
4156 avio_wb32(pb, 0); /* size placeholder */
4157 ffio_wfourcc(pb, "mfra");
4158 /* An empty mfra atom is enough to indicate to the publishing point that
4159 * the stream has ended. */
4160 if (mov->flags & FF_MOV_FLAG_ISML)
4161 return update_size(pb, pos);
4163 for (i = 0; i < mov->nb_streams; i++) {
4164 MOVTrack *track = &mov->tracks[i];
4165 if (track->nb_frag_info)
4166 mov_write_tfra_tag(pb, track);
4170 ffio_wfourcc(pb, "mfro");
4171 avio_wb32(pb, 0); /* version + flags */
4172 avio_wb32(pb, avio_tell(pb) + 4 - pos);
4174 return update_size(pb, pos);
4177 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
4179 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
4180 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
4182 mov->mdat_pos = avio_tell(pb);
4183 avio_wb32(pb, 0); /* size placeholder*/
4184 ffio_wfourcc(pb, "mdat");
4188 /* TODO: This needs to be more general */
4189 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
4191 MOVMuxContext *mov = s->priv_data;
4192 int64_t pos = avio_tell(pb);
4193 int has_h264 = 0, has_video = 0;
4197 for (i = 0; i < s->nb_streams; i++) {
4198 AVStream *st = s->streams[i];
4199 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
4201 if (st->codecpar->codec_id == AV_CODEC_ID_H264)
4205 avio_wb32(pb, 0); /* size */
4206 ffio_wfourcc(pb, "ftyp");
4208 if (mov->major_brand && strlen(mov->major_brand) >= 4)
4209 ffio_wfourcc(pb, mov->major_brand);
4210 else if (mov->mode == MODE_3GP) {
4211 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
4212 minor = has_h264 ? 0x100 : 0x200;
4213 } else if (mov->mode & MODE_3G2) {
4214 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
4215 minor = has_h264 ? 0x20000 : 0x10000;
4216 } else if (mov->mode == MODE_PSP)
4217 ffio_wfourcc(pb, "MSNV");
4218 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
4219 ffio_wfourcc(pb, "iso5"); // Required when using default-base-is-moof
4220 else if (mov->mode == MODE_MP4)
4221 ffio_wfourcc(pb, "isom");
4222 else if (mov->mode == MODE_IPOD)
4223 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
4224 else if (mov->mode == MODE_ISM)
4225 ffio_wfourcc(pb, "isml");
4226 else if (mov->mode == MODE_F4V)
4227 ffio_wfourcc(pb, "f4v ");
4229 ffio_wfourcc(pb, "qt ");
4231 avio_wb32(pb, minor);
4233 if (mov->mode == MODE_MOV)
4234 ffio_wfourcc(pb, "qt ");
4235 else if (mov->mode == MODE_ISM) {
4236 ffio_wfourcc(pb, "piff");
4237 } else if (!(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)) {
4238 ffio_wfourcc(pb, "isom");
4239 ffio_wfourcc(pb, "iso2");
4241 ffio_wfourcc(pb, "avc1");
4244 // We add tfdt atoms when fragmenting, signal this with the iso6 compatible
4245 // brand. This is compatible with users that don't understand tfdt.
4246 if (mov->flags & FF_MOV_FLAG_FRAGMENT && mov->mode != MODE_ISM)
4247 ffio_wfourcc(pb, "iso6");
4249 if (mov->mode == MODE_3GP)
4250 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
4251 else if (mov->mode & MODE_3G2)
4252 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
4253 else if (mov->mode == MODE_PSP)
4254 ffio_wfourcc(pb, "MSNV");
4255 else if (mov->mode == MODE_MP4)
4256 ffio_wfourcc(pb, "mp41");
4258 if (mov->flags & FF_MOV_FLAG_DASH && mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
4259 ffio_wfourcc(pb, "dash");
4261 return update_size(pb, pos);
4264 static int mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
4266 AVStream *video_st = s->streams[0];
4267 AVCodecParameters *video_par = s->streams[0]->codecpar;
4268 AVCodecParameters *audio_par = s->streams[1]->codecpar;
4269 int audio_rate = audio_par->sample_rate;
4270 int64_t frame_rate = (video_st->avg_frame_rate.num * 0x10000LL) / video_st->avg_frame_rate.den;
4271 int audio_kbitrate = audio_par->bit_rate / 1000;
4272 int video_kbitrate = FFMIN(video_par->bit_rate / 1000, 800 - audio_kbitrate);
4274 if (frame_rate < 0 || frame_rate > INT32_MAX) {
4275 av_log(s, AV_LOG_ERROR, "Frame rate %f outside supported range\n", frame_rate / (double)0x10000);
4276 return AVERROR(EINVAL);
4279 avio_wb32(pb, 0x94); /* size */
4280 ffio_wfourcc(pb, "uuid");
4281 ffio_wfourcc(pb, "PROF");
4283 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
4284 avio_wb32(pb, 0xbb88695c);
4285 avio_wb32(pb, 0xfac9c740);
4287 avio_wb32(pb, 0x0); /* ? */
4288 avio_wb32(pb, 0x3); /* 3 sections ? */
4290 avio_wb32(pb, 0x14); /* size */
4291 ffio_wfourcc(pb, "FPRF");
4292 avio_wb32(pb, 0x0); /* ? */
4293 avio_wb32(pb, 0x0); /* ? */
4294 avio_wb32(pb, 0x0); /* ? */
4296 avio_wb32(pb, 0x2c); /* size */
4297 ffio_wfourcc(pb, "APRF"); /* audio */
4299 avio_wb32(pb, 0x2); /* TrackID */
4300 ffio_wfourcc(pb, "mp4a");
4301 avio_wb32(pb, 0x20f);
4303 avio_wb32(pb, audio_kbitrate);
4304 avio_wb32(pb, audio_kbitrate);
4305 avio_wb32(pb, audio_rate);
4306 avio_wb32(pb, audio_par->channels);
4308 avio_wb32(pb, 0x34); /* size */
4309 ffio_wfourcc(pb, "VPRF"); /* video */
4311 avio_wb32(pb, 0x1); /* TrackID */
4312 if (video_par->codec_id == AV_CODEC_ID_H264) {
4313 ffio_wfourcc(pb, "avc1");
4314 avio_wb16(pb, 0x014D);
4315 avio_wb16(pb, 0x0015);
4317 ffio_wfourcc(pb, "mp4v");
4318 avio_wb16(pb, 0x0000);
4319 avio_wb16(pb, 0x0103);
4322 avio_wb32(pb, video_kbitrate);
4323 avio_wb32(pb, video_kbitrate);
4324 avio_wb32(pb, frame_rate);
4325 avio_wb32(pb, frame_rate);
4326 avio_wb16(pb, video_par->width);
4327 avio_wb16(pb, video_par->height);
4328 avio_wb32(pb, 0x010001); /* ? */
4333 static int mov_write_identification(AVIOContext *pb, AVFormatContext *s)
4335 MOVMuxContext *mov = s->priv_data;
4338 mov_write_ftyp_tag(pb,s);
4339 if (mov->mode == MODE_PSP) {
4340 int video_streams_nb = 0, audio_streams_nb = 0, other_streams_nb = 0;
4341 for (i = 0; i < s->nb_streams; i++) {
4342 AVStream *st = s->streams[i];
4343 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
4345 else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
4351 if (video_streams_nb != 1 || audio_streams_nb != 1 || other_streams_nb) {
4352 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
4353 return AVERROR(EINVAL);
4355 return mov_write_uuidprof_tag(pb, s);
4360 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
4363 int i, closed_gop = 0;
4365 for (i = 0; i < pkt->size - 4; i++) {
4366 c = (c << 8) + pkt->data[i];
4367 if (c == 0x1b8) { // gop
4368 closed_gop = pkt->data[i + 4] >> 6 & 0x01;
4369 } else if (c == 0x100) { // pic
4370 int temp_ref = (pkt->data[i + 1] << 2) | (pkt->data[i + 2] >> 6);
4371 if (!temp_ref || closed_gop) // I picture is not reordered
4372 *flags = MOV_SYNC_SAMPLE;
4374 *flags = MOV_PARTIAL_SYNC_SAMPLE;
4381 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk)
4383 const uint8_t *start, *next, *end = pkt->data + pkt->size;
4384 int seq = 0, entry = 0;
4385 int key = pkt->flags & AV_PKT_FLAG_KEY;
4386 start = find_next_marker(pkt->data, end);
4387 for (next = start; next < end; start = next) {
4388 next = find_next_marker(start + 4, end);
4389 switch (AV_RB32(start)) {
4390 case VC1_CODE_SEQHDR:
4393 case VC1_CODE_ENTRYPOINT:
4396 case VC1_CODE_SLICE:
4397 trk->vc1_info.slices = 1;
4401 if (!trk->entry && trk->vc1_info.first_packet_seen)
4402 trk->vc1_info.first_frag_written = 1;
4403 if (!trk->entry && !trk->vc1_info.first_frag_written) {
4404 /* First packet in first fragment */
4405 trk->vc1_info.first_packet_seq = seq;
4406 trk->vc1_info.first_packet_entry = entry;
4407 trk->vc1_info.first_packet_seen = 1;
4408 } else if ((seq && !trk->vc1_info.packet_seq) ||
4409 (entry && !trk->vc1_info.packet_entry)) {
4411 for (i = 0; i < trk->entry; i++)
4412 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
4413 trk->has_keyframes = 0;
4415 trk->vc1_info.packet_seq = 1;
4417 trk->vc1_info.packet_entry = 1;
4418 if (!trk->vc1_info.first_frag_written) {
4419 /* First fragment */
4420 if ((!seq || trk->vc1_info.first_packet_seq) &&
4421 (!entry || trk->vc1_info.first_packet_entry)) {
4422 /* First packet had the same headers as this one, readd the
4423 * sync sample flag. */
4424 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
4425 trk->has_keyframes = 1;
4429 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
4431 else if (trk->vc1_info.packet_seq)
4433 else if (trk->vc1_info.packet_entry)
4436 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
4437 trk->has_keyframes++;
4441 static int mov_flush_fragment_interleaving(AVFormatContext *s, MOVTrack *track)
4443 MOVMuxContext *mov = s->priv_data;
4448 if (!track->mdat_buf)
4450 if (!mov->mdat_buf) {
4451 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
4454 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
4455 track->mdat_buf = NULL;
4457 offset = avio_tell(mov->mdat_buf);
4458 avio_write(mov->mdat_buf, buf, buf_size);
4461 for (i = track->entries_flushed; i < track->entry; i++)
4462 track->cluster[i].pos += offset;
4463 track->entries_flushed = track->entry;
4467 static int mov_flush_fragment(AVFormatContext *s, int force)
4469 MOVMuxContext *mov = s->priv_data;
4470 int i, first_track = -1;
4471 int64_t mdat_size = 0;
4473 int has_video = 0, starts_with_key = 0, first_video_track = 1;
4475 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
4478 // Try to fill in the duration of the last packet in each stream
4479 // from queued packets in the interleave queues. If the flushing
4480 // of fragments was triggered automatically by an AVPacket, we
4481 // already have reliable info for the end of that track, but other
4482 // tracks may need to be filled in.
4483 for (i = 0; i < s->nb_streams; i++) {
4484 MOVTrack *track = &mov->tracks[i];
4485 if (!track->end_reliable) {
4487 const AVPacket *next = ff_interleaved_peek(s, i, &ts_offset);
4489 track->track_duration = next->dts - track->start_dts + ts_offset;
4490 if (next->pts != AV_NOPTS_VALUE)
4491 track->end_pts = next->pts;
4493 track->end_pts = next->dts;
4494 track->end_pts += ts_offset;
4499 for (i = 0; i < mov->nb_streams; i++) {
4500 MOVTrack *track = &mov->tracks[i];
4501 if (track->entry <= 1)
4503 // Sample durations are calculated as the diff of dts values,
4504 // but for the last sample in a fragment, we don't know the dts
4505 // of the first sample in the next fragment, so we have to rely
4506 // on what was set as duration in the AVPacket. Not all callers
4507 // set this though, so we might want to replace it with an
4508 // estimate if it currently is zero.
4509 if (get_cluster_duration(track, track->entry - 1) != 0)
4511 // Use the duration (i.e. dts diff) of the second last sample for
4512 // the last one. This is a wild guess (and fatal if it turns out
4513 // to be too long), but probably the best we can do - having a zero
4514 // duration is bad as well.
4515 track->track_duration += get_cluster_duration(track, track->entry - 2);
4516 track->end_pts += get_cluster_duration(track, track->entry - 2);
4517 if (!mov->missing_duration_warned) {
4518 av_log(s, AV_LOG_WARNING,
4519 "Estimating the duration of the last packet in a "
4520 "fragment, consider setting the duration field in "
4521 "AVPacket instead.\n");
4522 mov->missing_duration_warned = 1;
4526 if (!mov->moov_written) {
4527 int64_t pos = avio_tell(s->pb);
4529 int buf_size, moov_size;
4531 for (i = 0; i < mov->nb_streams; i++)
4532 if (!mov->tracks[i].entry)
4534 /* Don't write the initial moov unless all tracks have data */
4535 if (i < mov->nb_streams && !force)
4538 moov_size = get_moov_size(s);
4539 for (i = 0; i < mov->nb_streams; i++)
4540 mov->tracks[i].data_offset = pos + moov_size + 8;
4542 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_HEADER);
4543 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
4544 mov_write_identification(s->pb, s);
4545 if ((ret = mov_write_moov_tag(s->pb, mov, s)) < 0)
4548 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV) {
4549 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
4550 mov->reserved_header_pos = avio_tell(s->pb);
4552 mov->moov_written = 1;
4556 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
4557 mov->mdat_buf = NULL;
4558 avio_wb32(s->pb, buf_size + 8);
4559 ffio_wfourcc(s->pb, "mdat");
4560 avio_write(s->pb, buf, buf_size);
4563 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
4564 mov->reserved_header_pos = avio_tell(s->pb);
4566 mov->moov_written = 1;
4568 for (i = 0; i < mov->nb_streams; i++) {
4569 if (mov->tracks[i].entry)
4570 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
4571 mov->tracks[i].track_duration -
4572 mov->tracks[i].cluster[0].dts;
4573 mov->tracks[i].entry = 0;
4574 mov->tracks[i].end_reliable = 0;
4580 if (mov->frag_interleave) {
4581 for (i = 0; i < mov->nb_streams; i++) {
4582 MOVTrack *track = &mov->tracks[i];
4584 if ((ret = mov_flush_fragment_interleaving(s, track)) < 0)
4590 mdat_size = avio_tell(mov->mdat_buf);
4593 for (i = 0; i < mov->nb_streams; i++) {
4594 MOVTrack *track = &mov->tracks[i];
4595 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF || mov->frag_interleave)
4596 track->data_offset = 0;
4598 track->data_offset = mdat_size;
4599 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
4601 if (first_video_track) {
4603 starts_with_key = track->cluster[0].flags & MOV_SYNC_SAMPLE;
4604 first_video_track = 0;
4609 if (track->mdat_buf)
4610 mdat_size += avio_tell(track->mdat_buf);
4611 if (first_track < 0)
4618 avio_write_marker(s->pb,
4619 av_rescale(mov->tracks[first_track].cluster[0].dts, AV_TIME_BASE, mov->tracks[first_track].timescale),
4620 (has_video ? starts_with_key : mov->tracks[first_track].cluster[0].flags & MOV_SYNC_SAMPLE) ? AVIO_DATA_MARKER_SYNC_POINT : AVIO_DATA_MARKER_BOUNDARY_POINT);
4622 for (i = 0; i < mov->nb_streams; i++) {
4623 MOVTrack *track = &mov->tracks[i];
4624 int buf_size, write_moof = 1, moof_tracks = -1;
4626 int64_t duration = 0;
4629 duration = track->start_dts + track->track_duration -
4630 track->cluster[0].dts;
4631 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
4632 if (!track->mdat_buf)
4634 mdat_size = avio_tell(track->mdat_buf);
4637 write_moof = i == first_track;
4643 mov_write_moof_tag(s->pb, mov, moof_tracks, mdat_size);
4646 avio_wb32(s->pb, mdat_size + 8);
4647 ffio_wfourcc(s->pb, "mdat");
4651 track->frag_start += duration;
4653 track->entries_flushed = 0;
4654 track->end_reliable = 0;
4655 if (!mov->frag_interleave) {
4656 if (!track->mdat_buf)
4658 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
4659 track->mdat_buf = NULL;
4663 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
4664 mov->mdat_buf = NULL;
4667 avio_write(s->pb, buf, buf_size);
4677 static int mov_auto_flush_fragment(AVFormatContext *s, int force)
4679 MOVMuxContext *mov = s->priv_data;
4680 int had_moov = mov->moov_written;
4681 int ret = mov_flush_fragment(s, force);
4684 // If using delay_moov, the first flush only wrote the moov,
4685 // not the actual moof+mdat pair, thus flush once again.
4686 if (!had_moov && mov->flags & FF_MOV_FLAG_DELAY_MOOV)
4687 ret = mov_flush_fragment(s, force);
4691 static int check_pkt(AVFormatContext *s, AVPacket *pkt)
4693 MOVMuxContext *mov = s->priv_data;
4694 MOVTrack *trk = &mov->tracks[pkt->stream_index];
4699 ref = trk->cluster[trk->entry - 1].dts;
4700 } else if (trk->start_dts != AV_NOPTS_VALUE) {
4701 ref = trk->start_dts + trk->track_duration;
4703 ref = pkt->dts; // Skip tests for the first packet
4705 duration = pkt->dts - ref;
4706 if (pkt->dts < ref || duration >= INT_MAX) {
4707 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" / timestamp: %"PRId64" is out of range for mov/mp4 format\n",
4712 pkt->pts = AV_NOPTS_VALUE;
4715 if (pkt->duration < 0 || pkt->duration > INT_MAX) {
4716 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" is invalid\n", pkt->duration);
4717 return AVERROR(EINVAL);
4722 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
4724 MOVMuxContext *mov = s->priv_data;
4725 AVIOContext *pb = s->pb;
4726 MOVTrack *trk = &mov->tracks[pkt->stream_index];
4727 AVCodecParameters *par = trk->par;
4728 unsigned int samples_in_chunk = 0;
4729 int size = pkt->size, ret = 0;
4730 uint8_t *reformatted_data = NULL;
4732 ret = check_pkt(s, pkt);
4736 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
4738 if (mov->moov_written || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
4739 if (mov->frag_interleave && mov->fragments > 0) {
4740 if (trk->entry - trk->entries_flushed >= mov->frag_interleave) {
4741 if ((ret = mov_flush_fragment_interleaving(s, trk)) < 0)
4746 if (!trk->mdat_buf) {
4747 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
4752 if (!mov->mdat_buf) {
4753 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
4760 if (par->codec_id == AV_CODEC_ID_AMR_NB) {
4761 /* We must find out how many AMR blocks there are in one packet */
4762 static const uint16_t packed_size[16] =
4763 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
4766 while (len < size && samples_in_chunk < 100) {
4767 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
4770 if (samples_in_chunk > 1) {
4771 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
4774 } else if (par->codec_id == AV_CODEC_ID_ADPCM_MS ||
4775 par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
4776 samples_in_chunk = trk->par->frame_size;
4777 } else if (trk->sample_size)
4778 samples_in_chunk = size / trk->sample_size;
4780 samples_in_chunk = 1;
4782 /* copy extradata if it exists */
4783 if (trk->vos_len == 0 && par->extradata_size > 0 &&
4784 !TAG_IS_AVCI(trk->tag) &&
4785 (par->codec_id != AV_CODEC_ID_DNXHD)) {
4786 trk->vos_len = par->extradata_size;
4787 trk->vos_data = av_malloc(trk->vos_len);
4788 if (!trk->vos_data) {
4789 ret = AVERROR(ENOMEM);
4792 memcpy(trk->vos_data, par->extradata, trk->vos_len);
4795 if (par->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 &&
4796 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
4797 if (!s->streams[pkt->stream_index]->nb_frames) {
4798 av_log(s, AV_LOG_ERROR, "Malformed AAC bitstream detected: "
4799 "use the audio bitstream filter 'aac_adtstoasc' to fix it "
4800 "('-bsf:a aac_adtstoasc' option with ffmpeg)\n");
4803 av_log(s, AV_LOG_WARNING, "aac bitstream error\n");
4805 if (par->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1 && !TAG_IS_AVCI(trk->tag)) {
4806 /* from x264 or from bytestream H.264 */
4807 /* NAL reformatting needed */
4808 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
4809 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
4811 avio_write(pb, reformatted_data, size);
4813 if (mov->encryption_scheme == MOV_ENC_CENC_AES_CTR) {
4814 size = ff_mov_cenc_avc_parse_nal_units(&trk->cenc, pb, pkt->data, size);
4820 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
4823 } else if (par->codec_id == AV_CODEC_ID_HEVC && trk->vos_len > 6 &&
4824 (AV_RB24(trk->vos_data) == 1 || AV_RB32(trk->vos_data) == 1)) {
4825 /* extradata is Annex B, assume the bitstream is too and convert it */
4826 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
4827 ff_hevc_annexb2mp4_buf(pkt->data, &reformatted_data, &size, 0, NULL);
4828 avio_write(pb, reformatted_data, size);
4830 size = ff_hevc_annexb2mp4(pb, pkt->data, pkt->size, 0, NULL);
4832 #if CONFIG_AC3_PARSER
4833 } else if (par->codec_id == AV_CODEC_ID_EAC3) {
4834 size = handle_eac3(mov, pkt, trk);
4839 avio_write(pb, pkt->data, size);
4842 if (mov->encryption_scheme == MOV_ENC_CENC_AES_CTR) {
4843 if (par->codec_id == AV_CODEC_ID_H264 && par->extradata_size > 4) {
4844 int nal_size_length = (par->extradata[4] & 0x3) + 1;
4845 ret = ff_mov_cenc_avc_write_nal_units(s, &trk->cenc, nal_size_length, pb, pkt->data, size);
4847 ret = ff_mov_cenc_write_packet(&trk->cenc, pb, pkt->data, size);
4854 avio_write(pb, pkt->data, size);
4858 if ((par->codec_id == AV_CODEC_ID_DNXHD ||
4859 par->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len) {
4860 /* copy frame to create needed atoms */
4861 trk->vos_len = size;
4862 trk->vos_data = av_malloc(size);
4863 if (!trk->vos_data) {
4864 ret = AVERROR(ENOMEM);
4867 memcpy(trk->vos_data, pkt->data, size);
4870 if (trk->entry >= trk->cluster_capacity) {
4871 unsigned new_capacity = 2 * (trk->entry + MOV_INDEX_CLUSTER_SIZE);
4872 if (av_reallocp_array(&trk->cluster, new_capacity,
4873 sizeof(*trk->cluster))) {
4874 ret = AVERROR(ENOMEM);
4877 trk->cluster_capacity = new_capacity;
4880 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
4881 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
4882 trk->cluster[trk->entry].chunkNum = 0;
4883 trk->cluster[trk->entry].size = size;
4884 trk->cluster[trk->entry].entries = samples_in_chunk;
4885 trk->cluster[trk->entry].dts = pkt->dts;
4886 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
4887 if (!trk->frag_discont) {
4888 /* First packet of a new fragment. We already wrote the duration
4889 * of the last packet of the previous fragment based on track_duration,
4890 * which might not exactly match our dts. Therefore adjust the dts
4891 * of this packet to be what the previous packets duration implies. */
4892 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
4893 /* We also may have written the pts and the corresponding duration
4894 * in sidx/tfrf/tfxd tags; make sure the sidx pts and duration match up with
4895 * the next fragment. This means the cts of the first sample must
4896 * be the same in all fragments, unless end_pts was updated by
4897 * the packet causing the fragment to be written. */
4898 if ((mov->flags & FF_MOV_FLAG_DASH && !(mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)) ||
4899 mov->mode == MODE_ISM)
4900 pkt->pts = pkt->dts + trk->end_pts - trk->cluster[trk->entry].dts;
4902 /* New fragment, but discontinuous from previous fragments.
4903 * Pretend the duration sum of the earlier fragments is
4904 * pkt->dts - trk->start_dts. */
4905 trk->frag_start = pkt->dts - trk->start_dts;
4906 trk->end_pts = AV_NOPTS_VALUE;
4907 trk->frag_discont = 0;
4911 if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !mov->use_editlist &&
4912 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO) {
4913 /* Not using edit lists and shifting the first track to start from zero.
4914 * If the other streams start from a later timestamp, we won't be able
4915 * to signal the difference in starting time without an edit list.
4916 * Thus move the timestamp for this first sample to 0, increasing
4917 * its duration instead. */
4918 trk->cluster[trk->entry].dts = trk->start_dts = 0;
4920 if (trk->start_dts == AV_NOPTS_VALUE) {
4921 trk->start_dts = pkt->dts;
4922 if (trk->frag_discont) {
4923 if (mov->use_editlist) {
4924 /* Pretend the whole stream started at pts=0, with earlier fragments
4925 * already written. If the stream started at pts=0, the duration sum
4926 * of earlier fragments would have been pkt->pts. */
4927 trk->frag_start = pkt->pts;
4928 trk->start_dts = pkt->dts - pkt->pts;
4930 /* Pretend the whole stream started at dts=0, with earlier fragments
4931 * already written, with a duration summing up to pkt->dts. */
4932 trk->frag_start = pkt->dts;
4935 trk->frag_discont = 0;
4936 } else if (pkt->dts && mov->moov_written)
4937 av_log(s, AV_LOG_WARNING,
4938 "Track %d starts with a nonzero dts %"PRId64", while the moov "
4939 "already has been written. Set the delay_moov flag to handle "
4941 pkt->stream_index, pkt->dts);
4943 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
4944 trk->last_sample_is_subtitle_end = 0;
4946 if (pkt->pts == AV_NOPTS_VALUE) {
4947 av_log(s, AV_LOG_WARNING, "pts has no value\n");
4948 pkt->pts = pkt->dts;
4950 if (pkt->dts != pkt->pts)
4951 trk->flags |= MOV_TRACK_CTTS;
4952 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
4953 trk->cluster[trk->entry].flags = 0;
4954 if (trk->start_cts == AV_NOPTS_VALUE)
4955 trk->start_cts = pkt->pts - pkt->dts;
4956 if (trk->end_pts == AV_NOPTS_VALUE)
4957 trk->end_pts = trk->cluster[trk->entry].dts +
4958 trk->cluster[trk->entry].cts + pkt->duration;
4960 trk->end_pts = FFMAX(trk->end_pts, trk->cluster[trk->entry].dts +
4961 trk->cluster[trk->entry].cts +
4964 if (par->codec_id == AV_CODEC_ID_VC1) {
4965 mov_parse_vc1_frame(pkt, trk);
4966 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
4967 if (mov->mode == MODE_MOV && par->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
4968 trk->entry > 0) { // force sync sample for the first key frame
4969 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
4970 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
4971 trk->flags |= MOV_TRACK_STPS;
4973 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
4975 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
4976 trk->has_keyframes++;
4979 trk->sample_count += samples_in_chunk;
4980 mov->mdat_size += size;
4982 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
4983 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
4984 reformatted_data, size);
4989 av_free(reformatted_data);
4993 static int mov_write_single_packet(AVFormatContext *s, AVPacket *pkt)
4995 MOVMuxContext *mov = s->priv_data;
4996 MOVTrack *trk = &mov->tracks[pkt->stream_index];
4997 AVCodecParameters *par = trk->par;
4998 int64_t frag_duration = 0;
4999 int size = pkt->size;
5001 int ret = check_pkt(s, pkt);
5005 if (mov->flags & FF_MOV_FLAG_FRAG_DISCONT) {
5007 for (i = 0; i < s->nb_streams; i++)
5008 mov->tracks[i].frag_discont = 1;
5009 mov->flags &= ~FF_MOV_FLAG_FRAG_DISCONT;
5013 if (trk->start_dts == AV_NOPTS_VALUE && trk->frag_discont) {
5014 trk->start_dts = pkt->dts;
5015 if (pkt->pts != AV_NOPTS_VALUE)
5016 trk->start_cts = pkt->pts - pkt->dts;
5021 if (trk->par->codec_id == AV_CODEC_ID_MP4ALS) {
5023 uint8_t *side = av_packet_get_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA, &side_size);
5024 if (side && side_size > 0 && (side_size != par->extradata_size || memcmp(side, par->extradata, side_size))) {
5025 void *newextra = av_mallocz(side_size + AV_INPUT_BUFFER_PADDING_SIZE);
5027 return AVERROR(ENOMEM);
5028 av_free(par->extradata);
5029 par->extradata = newextra;
5030 memcpy(par->extradata, side, side_size);
5031 par->extradata_size = side_size;
5032 mov->need_rewrite_extradata = 1;
5036 return 0; /* Discard 0 sized packets */
5039 if (trk->entry && pkt->stream_index < s->nb_streams)
5040 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
5041 s->streams[pkt->stream_index]->time_base,
5043 if ((mov->max_fragment_duration &&
5044 frag_duration >= mov->max_fragment_duration) ||
5045 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
5046 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
5047 par->codec_type == AVMEDIA_TYPE_VIDEO &&
5048 trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) {
5049 if (frag_duration >= mov->min_fragment_duration) {
5050 // Set the duration of this track to line up with the next
5051 // sample in this track. This avoids relying on AVPacket
5052 // duration, but only helps for this particular track, not
5053 // for the other ones that are flushed at the same time.
5054 trk->track_duration = pkt->dts - trk->start_dts;
5055 if (pkt->pts != AV_NOPTS_VALUE)
5056 trk->end_pts = pkt->pts;
5058 trk->end_pts = pkt->dts;
5059 trk->end_reliable = 1;
5060 mov_auto_flush_fragment(s, 0);
5064 return ff_mov_write_packet(s, pkt);
5067 static int mov_write_subtitle_end_packet(AVFormatContext *s,
5071 uint8_t data[2] = {0};
5074 av_init_packet(&end);
5075 end.size = sizeof(data);
5080 end.stream_index = stream_index;
5082 ret = mov_write_single_packet(s, &end);
5083 av_packet_unref(&end);
5088 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
5091 mov_flush_fragment(s, 1);
5095 MOVMuxContext *mov = s->priv_data;
5096 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5099 return mov_write_single_packet(s, pkt); /* Passthrough. */
5102 * Subtitles require special handling.
5104 * 1) For full complaince, every track must have a sample at
5105 * dts == 0, which is rarely true for subtitles. So, as soon
5106 * as we see any packet with dts > 0, write an empty subtitle
5107 * at dts == 0 for any subtitle track with no samples in it.
5109 * 2) For each subtitle track, check if the current packet's
5110 * dts is past the duration of the last subtitle sample. If
5111 * so, we now need to write an end sample for that subtitle.
5113 * This must be done conditionally to allow for subtitles that
5114 * immediately replace each other, in which case an end sample
5115 * is not needed, and is, in fact, actively harmful.
5117 * 3) See mov_write_trailer for how the final end sample is
5120 for (i = 0; i < mov->nb_streams; i++) {
5121 MOVTrack *trk = &mov->tracks[i];
5124 if (trk->par->codec_id == AV_CODEC_ID_MOV_TEXT &&
5125 trk->track_duration < pkt->dts &&
5126 (trk->entry == 0 || !trk->last_sample_is_subtitle_end)) {
5127 ret = mov_write_subtitle_end_packet(s, i, trk->track_duration);
5128 if (ret < 0) return ret;
5129 trk->last_sample_is_subtitle_end = 1;
5133 if (trk->mode == MODE_MOV && trk->par->codec_type == AVMEDIA_TYPE_VIDEO) {
5134 AVPacket *opkt = pkt;
5135 int reshuffle_ret, ret;
5136 if (trk->is_unaligned_qt_rgb) {
5137 int64_t bpc = trk->par->bits_per_coded_sample != 15 ? trk->par->bits_per_coded_sample : 16;
5138 int expected_stride = ((trk->par->width * bpc + 15) >> 4)*2;
5139 reshuffle_ret = ff_reshuffle_raw_rgb(s, &pkt, trk->par, expected_stride);
5140 if (reshuffle_ret < 0)
5141 return reshuffle_ret;
5144 if (trk->par->format == AV_PIX_FMT_PAL8 && !trk->pal_done) {
5145 ret = ff_get_packet_palette(s, opkt, reshuffle_ret, trk->palette);
5150 } else if (trk->par->codec_id == AV_CODEC_ID_RAWVIDEO &&
5151 (trk->par->format == AV_PIX_FMT_GRAY8 ||
5152 trk->par->format == AV_PIX_FMT_MONOBLACK)) {
5153 for (i = 0; i < pkt->size; i++)
5154 pkt->data[i] = ~pkt->data[i];
5156 if (reshuffle_ret) {
5157 ret = mov_write_single_packet(s, pkt);
5160 av_packet_free(&pkt);
5165 return mov_write_single_packet(s, pkt);
5169 // QuickTime chapters involve an additional text track with the chapter names
5170 // as samples, and a tref pointing from the other tracks to the chapter one.
5171 static int mov_create_chapter_track(AVFormatContext *s, int tracknum)
5175 MOVMuxContext *mov = s->priv_data;
5176 MOVTrack *track = &mov->tracks[tracknum];
5177 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
5180 track->mode = mov->mode;
5181 track->tag = MKTAG('t','e','x','t');
5182 track->timescale = MOV_TIMESCALE;
5183 track->par = avcodec_parameters_alloc();
5185 return AVERROR(ENOMEM);
5186 track->par->codec_type = AVMEDIA_TYPE_SUBTITLE;
5188 // These properties are required to make QT recognize the chapter track
5189 uint8_t chapter_properties[43] = { 0, 0, 0, 0, 0, 0, 0, 1, };
5190 if (ff_alloc_extradata(track->par, sizeof(chapter_properties)))
5191 return AVERROR(ENOMEM);
5192 memcpy(track->par->extradata, chapter_properties, sizeof(chapter_properties));
5194 if (avio_open_dyn_buf(&pb) >= 0) {
5198 /* Stub header (usually for Quicktime chapter track) */
5200 avio_wb32(pb, 0x01); // displayFlags
5201 avio_w8(pb, 0x00); // horizontal justification
5202 avio_w8(pb, 0x00); // vertical justification
5203 avio_w8(pb, 0x00); // bgColourRed
5204 avio_w8(pb, 0x00); // bgColourGreen
5205 avio_w8(pb, 0x00); // bgColourBlue
5206 avio_w8(pb, 0x00); // bgColourAlpha
5208 avio_wb16(pb, 0x00); // defTextBoxTop
5209 avio_wb16(pb, 0x00); // defTextBoxLeft
5210 avio_wb16(pb, 0x00); // defTextBoxBottom
5211 avio_wb16(pb, 0x00); // defTextBoxRight
5213 avio_wb16(pb, 0x00); // startChar
5214 avio_wb16(pb, 0x00); // endChar
5215 avio_wb16(pb, 0x01); // fontID
5216 avio_w8(pb, 0x00); // fontStyleFlags
5217 avio_w8(pb, 0x00); // fontSize
5218 avio_w8(pb, 0x00); // fgColourRed
5219 avio_w8(pb, 0x00); // fgColourGreen
5220 avio_w8(pb, 0x00); // fgColourBlue
5221 avio_w8(pb, 0x00); // fgColourAlpha
5223 avio_wb32(pb, 0x0D); // box size
5224 ffio_wfourcc(pb, "ftab"); // box atom name
5225 avio_wb16(pb, 0x01); // entry count
5227 avio_wb16(pb, 0x01); // font ID
5228 avio_w8(pb, 0x00); // font name length
5230 if ((size = avio_close_dyn_buf(pb, &buf)) > 0) {
5231 track->par->extradata = buf;
5232 track->par->extradata_size = size;
5239 for (i = 0; i < s->nb_chapters; i++) {
5240 AVChapter *c = s->chapters[i];
5241 AVDictionaryEntry *t;
5243 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
5244 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
5245 pkt.duration = end - pkt.dts;
5247 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
5248 static const char encd[12] = {
5249 0x00, 0x00, 0x00, 0x0C,
5251 0x00, 0x00, 0x01, 0x00 };
5252 len = strlen(t->value);
5253 pkt.size = len + 2 + 12;
5254 pkt.data = av_malloc(pkt.size);
5256 return AVERROR(ENOMEM);
5257 AV_WB16(pkt.data, len);
5258 memcpy(pkt.data + 2, t->value, len);
5259 memcpy(pkt.data + len + 2, encd, sizeof(encd));
5260 ff_mov_write_packet(s, &pkt);
5261 av_freep(&pkt.data);
5269 static int mov_check_timecode_track(AVFormatContext *s, AVTimecode *tc, int src_index, const char *tcstr)
5273 /* compute the frame number */
5274 ret = av_timecode_init_from_string(tc, find_fps(s, s->streams[src_index]), tcstr, s);
5278 static int mov_create_timecode_track(AVFormatContext *s, int index, int src_index, AVTimecode tc)
5281 MOVMuxContext *mov = s->priv_data;
5282 MOVTrack *track = &mov->tracks[index];
5283 AVStream *src_st = s->streams[src_index];
5284 AVPacket pkt = {.stream_index = index, .flags = AV_PKT_FLAG_KEY, .size = 4};
5285 AVRational rate = find_fps(s, src_st);
5287 /* tmcd track based on video stream */
5288 track->mode = mov->mode;
5289 track->tag = MKTAG('t','m','c','d');
5290 track->src_track = src_index;
5291 track->timescale = mov->tracks[src_index].timescale;
5292 if (tc.flags & AV_TIMECODE_FLAG_DROPFRAME)
5293 track->timecode_flags |= MOV_TIMECODE_FLAG_DROPFRAME;
5295 /* set st to src_st for metadata access*/
5298 /* encode context: tmcd data stream */
5299 track->par = avcodec_parameters_alloc();
5301 return AVERROR(ENOMEM);
5302 track->par->codec_type = AVMEDIA_TYPE_DATA;
5303 track->par->codec_tag = track->tag;
5304 track->st->avg_frame_rate = av_inv_q(rate);
5306 /* the tmcd track just contains one packet with the frame number */
5307 pkt.data = av_malloc(pkt.size);
5309 return AVERROR(ENOMEM);
5310 AV_WB32(pkt.data, tc.start);
5311 ret = ff_mov_write_packet(s, &pkt);
5317 * st->disposition controls the "enabled" flag in the tkhd tag.
5318 * QuickTime will not play a track if it is not enabled. So make sure
5319 * that one track of each type (audio, video, subtitle) is enabled.
5321 * Subtitles are special. For audio and video, setting "enabled" also
5322 * makes the track "default" (i.e. it is rendered when played). For
5323 * subtitles, an "enabled" subtitle is not rendered by default, but
5324 * if no subtitle is enabled, the subtitle menu in QuickTime will be
5327 static void enable_tracks(AVFormatContext *s)
5329 MOVMuxContext *mov = s->priv_data;
5331 int enabled[AVMEDIA_TYPE_NB];
5332 int first[AVMEDIA_TYPE_NB];
5334 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
5339 for (i = 0; i < s->nb_streams; i++) {
5340 AVStream *st = s->streams[i];
5342 if (st->codecpar->codec_type <= AVMEDIA_TYPE_UNKNOWN ||
5343 st->codecpar->codec_type >= AVMEDIA_TYPE_NB)
5346 if (first[st->codecpar->codec_type] < 0)
5347 first[st->codecpar->codec_type] = i;
5348 if (st->disposition & AV_DISPOSITION_DEFAULT) {
5349 mov->tracks[i].flags |= MOV_TRACK_ENABLED;
5350 enabled[st->codecpar->codec_type]++;
5354 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
5356 case AVMEDIA_TYPE_VIDEO:
5357 case AVMEDIA_TYPE_AUDIO:
5358 case AVMEDIA_TYPE_SUBTITLE:
5360 mov->per_stream_grouping = 1;
5361 if (!enabled[i] && first[i] >= 0)
5362 mov->tracks[first[i]].flags |= MOV_TRACK_ENABLED;
5368 static void mov_free(AVFormatContext *s)
5370 MOVMuxContext *mov = s->priv_data;
5373 if (mov->chapter_track) {
5374 if (mov->tracks[mov->chapter_track].par)
5375 av_freep(&mov->tracks[mov->chapter_track].par->extradata);
5376 av_freep(&mov->tracks[mov->chapter_track].par);
5379 for (i = 0; i < mov->nb_streams; i++) {
5380 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
5381 ff_mov_close_hinting(&mov->tracks[i]);
5382 else if (mov->tracks[i].tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd)
5383 av_freep(&mov->tracks[i].par);
5384 av_freep(&mov->tracks[i].cluster);
5385 av_freep(&mov->tracks[i].frag_info);
5387 if (mov->tracks[i].vos_len)
5388 av_freep(&mov->tracks[i].vos_data);
5390 ff_mov_cenc_free(&mov->tracks[i].cenc);
5393 av_freep(&mov->tracks);
5396 static uint32_t rgb_to_yuv(uint32_t rgb)
5401 r = (rgb >> 16) & 0xFF;
5402 g = (rgb >> 8) & 0xFF;
5405 y = av_clip_uint8(( 16000 + 257 * r + 504 * g + 98 * b)/1000);
5406 cb = av_clip_uint8((128000 - 148 * r - 291 * g + 439 * b)/1000);
5407 cr = av_clip_uint8((128000 + 439 * r - 368 * g - 71 * b)/1000);
5409 return (y << 16) | (cr << 8) | cb;
5412 static int mov_create_dvd_sub_decoder_specific_info(MOVTrack *track,
5415 int i, width = 720, height = 480;
5416 int have_palette = 0, have_size = 0;
5417 uint32_t palette[16];
5418 char *cur = st->codecpar->extradata;
5420 while (cur && *cur) {
5421 if (strncmp("palette:", cur, 8) == 0) {
5423 count = sscanf(cur + 8,
5424 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
5425 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
5426 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
5427 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32"",
5428 &palette[ 0], &palette[ 1], &palette[ 2], &palette[ 3],
5429 &palette[ 4], &palette[ 5], &palette[ 6], &palette[ 7],
5430 &palette[ 8], &palette[ 9], &palette[10], &palette[11],
5431 &palette[12], &palette[13], &palette[14], &palette[15]);
5433 for (i = 0; i < count; i++) {
5434 palette[i] = rgb_to_yuv(palette[i]);
5437 } else if (!strncmp("size:", cur, 5)) {
5438 sscanf(cur + 5, "%dx%d", &width, &height);
5441 if (have_palette && have_size)
5443 cur += strcspn(cur, "\n\r");
5444 cur += strspn(cur, "\n\r");
5447 track->vos_data = av_malloc(16*4);
5448 if (!track->vos_data)
5449 return AVERROR(ENOMEM);
5450 for (i = 0; i < 16; i++) {
5451 AV_WB32(track->vos_data + i * 4, palette[i]);
5453 track->vos_len = 16 * 4;
5455 st->codecpar->width = width;
5456 st->codecpar->height = track->height = height;
5461 static int mov_write_header(AVFormatContext *s)
5463 AVIOContext *pb = s->pb;
5464 MOVMuxContext *mov = s->priv_data;
5465 AVDictionaryEntry *t, *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
5466 int i, ret, hint_track = 0, tmcd_track = 0;
5470 /* Default mode == MP4 */
5471 mov->mode = MODE_MP4;
5474 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
5475 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
5476 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
5477 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
5478 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
5479 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
5480 else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V;
5483 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
5484 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV;
5486 /* Set the FRAGMENT flag if any of the fragmentation methods are
5488 if (mov->max_fragment_duration || mov->max_fragment_size ||
5489 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
5490 FF_MOV_FLAG_FRAG_KEYFRAME |
5491 FF_MOV_FLAG_FRAG_CUSTOM))
5492 mov->flags |= FF_MOV_FLAG_FRAGMENT;
5494 /* Set other implicit flags immediately */
5495 if (mov->mode == MODE_ISM)
5496 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
5497 FF_MOV_FLAG_FRAGMENT;
5498 if (mov->flags & FF_MOV_FLAG_DASH)
5499 mov->flags |= FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_EMPTY_MOOV |
5500 FF_MOV_FLAG_DEFAULT_BASE_MOOF;
5502 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
5503 mov->reserved_moov_size = -1;
5506 if (mov->use_editlist < 0) {
5507 mov->use_editlist = 1;
5508 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
5509 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
5510 // If we can avoid needing an edit list by shifting the
5511 // tracks, prefer that over (trying to) write edit lists
5512 // in fragmented output.
5513 if (s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO ||
5514 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO)
5515 mov->use_editlist = 0;
5518 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
5519 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV) && mov->use_editlist)
5520 av_log(s, AV_LOG_WARNING, "No meaningful edit list will be written when using empty_moov without delay_moov\n");
5522 if (!mov->use_editlist && s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO)
5523 s->avoid_negative_ts = AVFMT_AVOID_NEG_TS_MAKE_ZERO;
5525 /* Clear the omit_tfhd_offset flag if default_base_moof is set;
5526 * if the latter is set that's enough and omit_tfhd_offset doesn't
5527 * add anything extra on top of that. */
5528 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
5529 mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
5530 mov->flags &= ~FF_MOV_FLAG_OMIT_TFHD_OFFSET;
5532 if (mov->frag_interleave &&
5533 mov->flags & (FF_MOV_FLAG_OMIT_TFHD_OFFSET | FF_MOV_FLAG_SEPARATE_MOOF)) {
5534 av_log(s, AV_LOG_ERROR,
5535 "Sample interleaving in fragments is mutually exclusive with "
5536 "omit_tfhd_offset and separate_moof\n");
5537 return AVERROR(EINVAL);
5540 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
5541 * is enabled, we don't support non-seekable output at all. */
5542 if (!s->pb->seekable &&
5543 (!(mov->flags & FF_MOV_FLAG_FRAGMENT) || mov->ism_lookahead)) {
5544 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
5545 return AVERROR(EINVAL);
5548 if (!(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
5549 if ((ret = mov_write_identification(pb, s)) < 0)
5553 mov->nb_streams = s->nb_streams;
5554 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
5555 mov->chapter_track = mov->nb_streams++;
5557 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
5558 /* Add hint tracks for each audio and video stream */
5559 hint_track = mov->nb_streams;
5560 for (i = 0; i < s->nb_streams; i++) {
5561 AVStream *st = s->streams[i];
5562 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ||
5563 st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
5569 if ( mov->write_tmcd == -1 && (mov->mode == MODE_MOV || mov->mode == MODE_MP4)
5570 || mov->write_tmcd == 1) {
5571 tmcd_track = mov->nb_streams;
5573 /* +1 tmcd track for each video stream with a timecode */
5574 for (i = 0; i < s->nb_streams; i++) {
5575 AVStream *st = s->streams[i];
5577 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO &&
5578 (t || (t=av_dict_get(st->metadata, "timecode", NULL, 0)))) {
5580 ret = mov_check_timecode_track(s, &tc, i, t->value);
5582 mov->nb_meta_tmcd++;
5586 /* check if there is already a tmcd track to remux */
5587 if (mov->nb_meta_tmcd) {
5588 for (i = 0; i < s->nb_streams; i++) {
5589 AVStream *st = s->streams[i];
5590 if (st->codecpar->codec_tag == MKTAG('t','m','c','d')) {
5591 av_log(s, AV_LOG_WARNING, "You requested a copy of the original timecode track "
5592 "so timecode metadata are now ignored\n");
5593 mov->nb_meta_tmcd = 0;
5598 mov->nb_streams += mov->nb_meta_tmcd;
5601 // Reserve an extra stream for chapters for the case where chapters
5602 // are written in the trailer
5603 mov->tracks = av_mallocz_array((mov->nb_streams + 1), sizeof(*mov->tracks));
5605 return AVERROR(ENOMEM);
5607 if (mov->encryption_scheme_str != NULL && strcmp(mov->encryption_scheme_str, "none") != 0) {
5608 if (strcmp(mov->encryption_scheme_str, "cenc-aes-ctr") == 0) {
5609 mov->encryption_scheme = MOV_ENC_CENC_AES_CTR;
5611 if (mov->encryption_key_len != AES_CTR_KEY_SIZE) {
5612 av_log(s, AV_LOG_ERROR, "Invalid encryption key len %d expected %d\n",
5613 mov->encryption_key_len, AES_CTR_KEY_SIZE);
5614 ret = AVERROR(EINVAL);
5618 if (mov->encryption_kid_len != CENC_KID_SIZE) {
5619 av_log(s, AV_LOG_ERROR, "Invalid encryption kid len %d expected %d\n",
5620 mov->encryption_kid_len, CENC_KID_SIZE);
5621 ret = AVERROR(EINVAL);
5625 av_log(s, AV_LOG_ERROR, "unsupported encryption scheme %s\n",
5626 mov->encryption_scheme_str);
5627 ret = AVERROR(EINVAL);
5632 for (i = 0; i < s->nb_streams; i++) {
5633 AVStream *st= s->streams[i];
5634 MOVTrack *track= &mov->tracks[i];
5635 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
5638 track->par = st->codecpar;
5639 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
5640 if (track->language < 0)
5641 track->language = 0;
5642 track->mode = mov->mode;
5643 track->tag = mov_find_codec_tag(s, track);
5645 av_log(s, AV_LOG_ERROR, "Could not find tag for codec %s in stream #%d, "
5646 "codec not currently supported in container\n",
5647 avcodec_get_name(st->codecpar->codec_id), i);
5648 ret = AVERROR(EINVAL);
5651 /* If hinting of this track is enabled by a later hint track,
5652 * this is updated. */
5653 track->hint_track = -1;
5654 track->start_dts = AV_NOPTS_VALUE;
5655 track->start_cts = AV_NOPTS_VALUE;
5656 track->end_pts = AV_NOPTS_VALUE;
5657 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
5658 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
5659 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
5660 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
5661 if (st->codecpar->width != 720 || (st->codecpar->height != 608 && st->codecpar->height != 512)) {
5662 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
5663 ret = AVERROR(EINVAL);
5666 track->height = track->tag >> 24 == 'n' ? 486 : 576;
5668 if (mov->video_track_timescale) {
5669 track->timescale = mov->video_track_timescale;
5671 track->timescale = st->time_base.den;
5672 while(track->timescale < 10000)
5673 track->timescale *= 2;
5675 if (st->codecpar->width > 65535 || st->codecpar->height > 65535) {
5676 av_log(s, AV_LOG_ERROR, "Resolution %dx%d too large for mov/mp4\n", st->codecpar->width, st->codecpar->height);
5677 ret = AVERROR(EINVAL);
5680 if (track->mode == MODE_MOV && track->timescale > 100000)
5681 av_log(s, AV_LOG_WARNING,
5682 "WARNING codec timebase is very high. If duration is too long,\n"
5683 "file may not be playable by quicktime. Specify a shorter timebase\n"
5684 "or choose different container.\n");
5685 if (track->mode == MODE_MOV &&
5686 track->par->codec_id == AV_CODEC_ID_RAWVIDEO &&
5687 track->tag == MKTAG('r','a','w',' ')) {
5688 enum AVPixelFormat pix_fmt = track->par->format;
5689 if (pix_fmt == AV_PIX_FMT_NONE && track->par->bits_per_coded_sample == 1)
5690 pix_fmt = AV_PIX_FMT_MONOWHITE;
5691 track->is_unaligned_qt_rgb =
5692 pix_fmt == AV_PIX_FMT_RGB24 ||
5693 pix_fmt == AV_PIX_FMT_BGR24 ||
5694 pix_fmt == AV_PIX_FMT_PAL8 ||
5695 pix_fmt == AV_PIX_FMT_GRAY8 ||
5696 pix_fmt == AV_PIX_FMT_MONOWHITE ||
5697 pix_fmt == AV_PIX_FMT_MONOBLACK;
5699 if (track->mode == MODE_MP4 &&
5700 track->par->codec_id == AV_CODEC_ID_VP9) {
5701 if (s->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
5702 av_log(s, AV_LOG_ERROR,
5703 "VP9 in MP4 support is experimental, add "
5704 "'-strict %d' if you want to use it.\n",
5705 FF_COMPLIANCE_EXPERIMENTAL);
5706 ret = AVERROR_EXPERIMENTAL;
5710 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
5711 track->timescale = st->codecpar->sample_rate;
5712 if (!st->codecpar->frame_size && !av_get_bits_per_sample(st->codecpar->codec_id)) {
5713 av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i);
5714 track->audio_vbr = 1;
5715 }else if (st->codecpar->codec_id == AV_CODEC_ID_ADPCM_MS ||
5716 st->codecpar->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
5717 st->codecpar->codec_id == AV_CODEC_ID_ILBC){
5718 if (!st->codecpar->block_align) {
5719 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
5720 ret = AVERROR(EINVAL);
5723 track->sample_size = st->codecpar->block_align;
5724 }else if (st->codecpar->frame_size > 1){ /* assume compressed audio */
5725 track->audio_vbr = 1;
5727 track->sample_size = (av_get_bits_per_sample(st->codecpar->codec_id) >> 3) * st->codecpar->channels;
5729 if (st->codecpar->codec_id == AV_CODEC_ID_ILBC ||
5730 st->codecpar->codec_id == AV_CODEC_ID_ADPCM_IMA_QT) {
5731 track->audio_vbr = 1;
5733 if (track->mode != MODE_MOV &&
5734 track->par->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
5735 if (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL) {
5736 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not standard, to mux anyway set strict to -1\n",
5737 i, track->par->sample_rate);
5738 ret = AVERROR(EINVAL);
5741 av_log(s, AV_LOG_WARNING, "track %d: muxing mp3 at %dhz is not standard in MP4\n",
5742 i, track->par->sample_rate);
5745 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) {
5746 track->timescale = st->time_base.den;
5747 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_DATA) {
5748 track->timescale = st->time_base.den;
5750 track->timescale = MOV_TIMESCALE;
5753 track->height = st->codecpar->height;
5754 /* The ism specific timescale isn't mandatory, but is assumed by
5755 * some tools, such as mp4split. */
5756 if (mov->mode == MODE_ISM)
5757 track->timescale = 10000000;
5759 avpriv_set_pts_info(st, 64, 1, track->timescale);
5761 /* copy extradata if it exists */
5762 if (st->codecpar->extradata_size) {
5763 if (st->codecpar->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
5764 mov_create_dvd_sub_decoder_specific_info(track, st);
5765 else if (!TAG_IS_AVCI(track->tag) && st->codecpar->codec_id != AV_CODEC_ID_DNXHD) {
5766 track->vos_len = st->codecpar->extradata_size;
5767 track->vos_data = av_malloc(track->vos_len);
5768 if (!track->vos_data) {
5769 ret = AVERROR(ENOMEM);
5772 memcpy(track->vos_data, st->codecpar->extradata, track->vos_len);
5776 if (mov->encryption_scheme == MOV_ENC_CENC_AES_CTR) {
5777 ret = ff_mov_cenc_init(&track->cenc, mov->encryption_key,
5778 track->par->codec_id == AV_CODEC_ID_H264, s->flags & AVFMT_FLAG_BITEXACT);
5785 for (i = 0; i < s->nb_streams; i++) {
5787 AVStream *st= s->streams[i];
5788 MOVTrack *track= &mov->tracks[i];
5790 if (st->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ||
5791 track->par->channel_layout != AV_CH_LAYOUT_MONO)
5794 for (j = 0; j < s->nb_streams; j++) {
5795 AVStream *stj= s->streams[j];
5796 MOVTrack *trackj= &mov->tracks[j];
5800 if (stj->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ||
5801 trackj->par->channel_layout != AV_CH_LAYOUT_MONO ||
5802 trackj->language != track->language ||
5803 trackj->tag != track->tag
5806 track->multichannel_as_mono++;
5813 if (mov->reserved_moov_size){
5814 mov->reserved_header_pos = avio_tell(pb);
5815 if (mov->reserved_moov_size > 0)
5816 avio_skip(pb, mov->reserved_moov_size);
5819 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
5820 /* If no fragmentation options have been set, set a default. */
5821 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
5822 FF_MOV_FLAG_FRAG_CUSTOM)) &&
5823 !mov->max_fragment_duration && !mov->max_fragment_size)
5824 mov->flags |= FF_MOV_FLAG_FRAG_KEYFRAME;
5826 if (mov->flags & FF_MOV_FLAG_FASTSTART)
5827 mov->reserved_header_pos = avio_tell(pb);
5828 mov_write_mdat_tag(pb, mov);
5831 ff_parse_creation_time_metadata(s, &mov->time, 1);
5833 mov->time += 0x7C25B080; // 1970 based -> 1904 based
5835 if (mov->chapter_track)
5836 if ((ret = mov_create_chapter_track(s, mov->chapter_track)) < 0)
5839 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
5840 /* Initialize the hint tracks for each audio and video stream */
5841 for (i = 0; i < s->nb_streams; i++) {
5842 AVStream *st = s->streams[i];
5843 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ||
5844 st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
5845 if ((ret = ff_mov_init_hinting(s, hint_track, i)) < 0)
5852 if (mov->nb_meta_tmcd) {
5853 /* Initialize the tmcd tracks */
5854 for (i = 0; i < s->nb_streams; i++) {
5855 AVStream *st = s->streams[i];
5858 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
5861 t = av_dict_get(st->metadata, "timecode", NULL, 0);
5864 if (mov_check_timecode_track(s, &tc, i, t->value) < 0)
5866 if ((ret = mov_create_timecode_track(s, tmcd_track, i, tc)) < 0)
5875 if (mov->flags & FF_MOV_FLAG_ISML)
5876 mov_write_isml_manifest(pb, mov, s);
5878 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
5879 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
5880 if ((ret = mov_write_moov_tag(pb, mov, s)) < 0)
5883 mov->moov_written = 1;
5884 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
5885 mov->reserved_header_pos = avio_tell(pb);
5894 static int get_moov_size(AVFormatContext *s)
5897 AVIOContext *moov_buf;
5898 MOVMuxContext *mov = s->priv_data;
5900 if ((ret = ffio_open_null_buf(&moov_buf)) < 0)
5902 if ((ret = mov_write_moov_tag(moov_buf, mov, s)) < 0)
5904 return ffio_close_null_buf(moov_buf);
5907 static int get_sidx_size(AVFormatContext *s)
5911 MOVMuxContext *mov = s->priv_data;
5913 if ((ret = ffio_open_null_buf(&buf)) < 0)
5915 mov_write_sidx_tags(buf, mov, -1, 0);
5916 return ffio_close_null_buf(buf);
5920 * This function gets the moov size if moved to the top of the file: the chunk
5921 * offset table can switch between stco (32-bit entries) to co64 (64-bit
5922 * entries) when the moov is moved to the beginning, so the size of the moov
5923 * would change. It also updates the chunk offset tables.
5925 static int compute_moov_size(AVFormatContext *s)
5927 int i, moov_size, moov_size2;
5928 MOVMuxContext *mov = s->priv_data;
5930 moov_size = get_moov_size(s);
5934 for (i = 0; i < mov->nb_streams; i++)
5935 mov->tracks[i].data_offset += moov_size;
5937 moov_size2 = get_moov_size(s);
5941 /* if the size changed, we just switched from stco to co64 and need to
5942 * update the offsets */
5943 if (moov_size2 != moov_size)
5944 for (i = 0; i < mov->nb_streams; i++)
5945 mov->tracks[i].data_offset += moov_size2 - moov_size;
5950 static int compute_sidx_size(AVFormatContext *s)
5953 MOVMuxContext *mov = s->priv_data;
5955 sidx_size = get_sidx_size(s);
5959 for (i = 0; i < mov->nb_streams; i++)
5960 mov->tracks[i].data_offset += sidx_size;
5965 static int shift_data(AVFormatContext *s)
5967 int ret = 0, moov_size;
5968 MOVMuxContext *mov = s->priv_data;
5969 int64_t pos, pos_end = avio_tell(s->pb);
5970 uint8_t *buf, *read_buf[2];
5971 int read_buf_id = 0;
5973 AVIOContext *read_pb;
5975 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
5976 moov_size = compute_sidx_size(s);
5978 moov_size = compute_moov_size(s);
5982 buf = av_malloc(moov_size * 2);
5984 return AVERROR(ENOMEM);
5986 read_buf[1] = buf + moov_size;
5988 /* Shift the data: the AVIO context of the output can only be used for
5989 * writing, so we re-open the same output, but for reading. It also avoids
5990 * a read/seek/write/seek back and forth. */
5992 ret = s->io_open(s, &read_pb, s->filename, AVIO_FLAG_READ, NULL);
5994 av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for "
5995 "the second pass (faststart)\n", s->filename);
5999 /* mark the end of the shift to up to the last data we wrote, and get ready
6001 pos_end = avio_tell(s->pb);
6002 avio_seek(s->pb, mov->reserved_header_pos + moov_size, SEEK_SET);
6004 /* start reading at where the new moov will be placed */
6005 avio_seek(read_pb, mov->reserved_header_pos, SEEK_SET);
6006 pos = avio_tell(read_pb);
6008 #define READ_BLOCK do { \
6009 read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
6013 /* shift data by chunk of at most moov_size */
6018 n = read_size[read_buf_id];
6021 avio_write(s->pb, read_buf[read_buf_id], n);
6023 } while (pos < pos_end);
6024 ff_format_io_close(s, &read_pb);
6031 static int mov_write_trailer(AVFormatContext *s)
6033 MOVMuxContext *mov = s->priv_data;
6034 AVIOContext *pb = s->pb;
6039 if (mov->need_rewrite_extradata) {
6040 for (i = 0; i < s->nb_streams; i++) {
6041 MOVTrack *track = &mov->tracks[i];
6042 AVCodecParameters *par = track->par;
6044 track->vos_len = par->extradata_size;
6045 track->vos_data = av_malloc(track->vos_len);
6046 if (!track->vos_data) {
6047 res = AVERROR(ENOMEM);
6050 memcpy(track->vos_data, par->extradata, track->vos_len);
6052 mov->need_rewrite_extradata = 0;
6056 * Before actually writing the trailer, make sure that there are no
6057 * dangling subtitles, that need a terminating sample.
6059 for (i = 0; i < mov->nb_streams; i++) {
6060 MOVTrack *trk = &mov->tracks[i];
6061 if (trk->par->codec_id == AV_CODEC_ID_MOV_TEXT &&
6062 !trk->last_sample_is_subtitle_end) {
6063 mov_write_subtitle_end_packet(s, i, trk->track_duration);
6064 trk->last_sample_is_subtitle_end = 1;
6068 // If there were no chapters when the header was written, but there
6069 // are chapters now, write them in the trailer. This only works
6070 // when we are not doing fragments.
6071 if (!mov->chapter_track && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
6072 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters) {
6073 mov->chapter_track = mov->nb_streams++;
6074 if ((res = mov_create_chapter_track(s, mov->chapter_track)) < 0)
6079 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
6080 moov_pos = avio_tell(pb);
6082 /* Write size of mdat tag */
6083 if (mov->mdat_size + 8 <= UINT32_MAX) {
6084 avio_seek(pb, mov->mdat_pos, SEEK_SET);
6085 avio_wb32(pb, mov->mdat_size + 8);
6087 /* overwrite 'wide' placeholder atom */
6088 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
6089 /* special value: real atom size will be 64 bit value after
6092 ffio_wfourcc(pb, "mdat");
6093 avio_wb64(pb, mov->mdat_size + 16);
6095 avio_seek(pb, mov->reserved_moov_size > 0 ? mov->reserved_header_pos : moov_pos, SEEK_SET);
6097 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
6098 av_log(s, AV_LOG_INFO, "Starting second pass: moving the moov atom to the beginning of the file\n");
6099 res = shift_data(s);
6102 avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
6103 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6105 } else if (mov->reserved_moov_size > 0) {
6107 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6109 size = mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_header_pos);
6111 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
6112 res = AVERROR(EINVAL);
6115 avio_wb32(pb, size);
6116 ffio_wfourcc(pb, "free");
6117 ffio_fill(pb, 0, size - 8);
6118 avio_seek(pb, moov_pos, SEEK_SET);
6120 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6125 mov_auto_flush_fragment(s, 1);
6126 for (i = 0; i < mov->nb_streams; i++)
6127 mov->tracks[i].data_offset = 0;
6128 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX) {
6130 av_log(s, AV_LOG_INFO, "Starting second pass: inserting sidx atoms\n");
6131 res = shift_data(s);
6134 end = avio_tell(pb);
6135 avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
6136 mov_write_sidx_tags(pb, mov, -1, 0);
6137 avio_seek(pb, end, SEEK_SET);
6138 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_TRAILER);
6139 mov_write_mfra_tag(pb, mov);
6141 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_TRAILER);
6142 mov_write_mfra_tag(pb, mov);
6152 #if CONFIG_MOV_MUXER
6154 AVOutputFormat ff_mov_muxer = {
6156 .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
6157 .extensions = "mov",
6158 .priv_data_size = sizeof(MOVMuxContext),
6159 .audio_codec = AV_CODEC_ID_AAC,
6160 .video_codec = CONFIG_LIBX264_ENCODER ?
6161 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
6162 .write_header = mov_write_header,
6163 .write_packet = mov_write_packet,
6164 .write_trailer = mov_write_trailer,
6165 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6166 .codec_tag = (const AVCodecTag* const []){
6167 ff_codec_movvideo_tags, ff_codec_movaudio_tags, 0
6169 .priv_class = &mov_muxer_class,
6172 #if CONFIG_TGP_MUXER
6174 AVOutputFormat ff_tgp_muxer = {
6176 .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
6177 .extensions = "3gp",
6178 .priv_data_size = sizeof(MOVMuxContext),
6179 .audio_codec = AV_CODEC_ID_AMR_NB,
6180 .video_codec = AV_CODEC_ID_H263,
6181 .write_header = mov_write_header,
6182 .write_packet = mov_write_packet,
6183 .write_trailer = mov_write_trailer,
6184 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6185 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
6186 .priv_class = &tgp_muxer_class,
6189 #if CONFIG_MP4_MUXER
6191 AVOutputFormat ff_mp4_muxer = {
6193 .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
6194 .mime_type = "video/mp4",
6195 .extensions = "mp4",
6196 .priv_data_size = sizeof(MOVMuxContext),
6197 .audio_codec = AV_CODEC_ID_AAC,
6198 .video_codec = CONFIG_LIBX264_ENCODER ?
6199 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
6200 .write_header = mov_write_header,
6201 .write_packet = mov_write_packet,
6202 .write_trailer = mov_write_trailer,
6203 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6204 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
6205 .priv_class = &mp4_muxer_class,
6208 #if CONFIG_PSP_MUXER
6210 AVOutputFormat ff_psp_muxer = {
6212 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
6213 .extensions = "mp4,psp",
6214 .priv_data_size = sizeof(MOVMuxContext),
6215 .audio_codec = AV_CODEC_ID_AAC,
6216 .video_codec = CONFIG_LIBX264_ENCODER ?
6217 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
6218 .write_header = mov_write_header,
6219 .write_packet = mov_write_packet,
6220 .write_trailer = mov_write_trailer,
6221 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6222 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
6223 .priv_class = &psp_muxer_class,
6226 #if CONFIG_TG2_MUXER
6228 AVOutputFormat ff_tg2_muxer = {
6230 .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
6231 .extensions = "3g2",
6232 .priv_data_size = sizeof(MOVMuxContext),
6233 .audio_codec = AV_CODEC_ID_AMR_NB,
6234 .video_codec = AV_CODEC_ID_H263,
6235 .write_header = mov_write_header,
6236 .write_packet = mov_write_packet,
6237 .write_trailer = mov_write_trailer,
6238 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6239 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
6240 .priv_class = &tg2_muxer_class,
6243 #if CONFIG_IPOD_MUXER
6245 AVOutputFormat ff_ipod_muxer = {
6247 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
6248 .mime_type = "video/mp4",
6249 .extensions = "m4v,m4a",
6250 .priv_data_size = sizeof(MOVMuxContext),
6251 .audio_codec = AV_CODEC_ID_AAC,
6252 .video_codec = AV_CODEC_ID_H264,
6253 .write_header = mov_write_header,
6254 .write_packet = mov_write_packet,
6255 .write_trailer = mov_write_trailer,
6256 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6257 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
6258 .priv_class = &ipod_muxer_class,
6261 #if CONFIG_ISMV_MUXER
6263 AVOutputFormat ff_ismv_muxer = {
6265 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
6266 .mime_type = "video/mp4",
6267 .extensions = "ismv,isma",
6268 .priv_data_size = sizeof(MOVMuxContext),
6269 .audio_codec = AV_CODEC_ID_AAC,
6270 .video_codec = AV_CODEC_ID_H264,
6271 .write_header = mov_write_header,
6272 .write_packet = mov_write_packet,
6273 .write_trailer = mov_write_trailer,
6274 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6275 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
6276 .priv_class = &ismv_muxer_class,
6279 #if CONFIG_F4V_MUXER
6281 AVOutputFormat ff_f4v_muxer = {
6283 .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
6284 .mime_type = "application/f4v",
6285 .extensions = "f4v",
6286 .priv_data_size = sizeof(MOVMuxContext),
6287 .audio_codec = AV_CODEC_ID_AAC,
6288 .video_codec = AV_CODEC_ID_H264,
6289 .write_header = mov_write_header,
6290 .write_packet = mov_write_packet,
6291 .write_trailer = mov_write_trailer,
6292 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
6293 .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 },
6294 .priv_class = &f4v_muxer_class,