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 },
95 #define MOV_CLASS(flavor)\
96 static const AVClass flavor ## _muxer_class = {\
97 .class_name = #flavor " muxer",\
98 .item_name = av_default_item_name,\
100 .version = LIBAVUTIL_VERSION_INT,\
103 static int get_moov_size(AVFormatContext *s);
105 static int utf8len(const uint8_t *b)
110 GET_UTF8(val, *b++, return -1;)
116 //FIXME support 64 bit variant with wide placeholders
117 static int64_t update_size(AVIOContext *pb, int64_t pos)
119 int64_t curpos = avio_tell(pb);
120 avio_seek(pb, pos, SEEK_SET);
121 avio_wb32(pb, curpos - pos); /* rewrite size */
122 avio_seek(pb, curpos, SEEK_SET);
127 static int co64_required(const MOVTrack *track)
129 if (track->entry > 0 && track->cluster[track->entry - 1].pos + track->data_offset > UINT32_MAX)
134 /* Chunk offset atom */
135 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
138 int mode64 = co64_required(track); // use 32 bit size variant if possible
139 int64_t pos = avio_tell(pb);
140 avio_wb32(pb, 0); /* size */
142 ffio_wfourcc(pb, "co64");
144 ffio_wfourcc(pb, "stco");
145 avio_wb32(pb, 0); /* version & flags */
146 avio_wb32(pb, track->chunkCount); /* entry count */
147 for (i = 0; i < track->entry; i++) {
148 if (!track->cluster[i].chunkNum)
151 avio_wb64(pb, track->cluster[i].pos + track->data_offset);
153 avio_wb32(pb, track->cluster[i].pos + track->data_offset);
155 return update_size(pb, pos);
158 /* Sample size atom */
159 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
162 int i, j, entries = 0, tst = -1, oldtst = -1;
164 int64_t pos = avio_tell(pb);
165 avio_wb32(pb, 0); /* size */
166 ffio_wfourcc(pb, "stsz");
167 avio_wb32(pb, 0); /* version & flags */
169 for (i = 0; i < track->entry; i++) {
170 tst = track->cluster[i].size / track->cluster[i].entries;
171 if (oldtst != -1 && tst != oldtst)
174 entries += track->cluster[i].entries;
176 if (equalChunks && track->entry) {
177 int sSize = track->entry ? track->cluster[0].size / track->cluster[0].entries : 0;
178 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
179 avio_wb32(pb, sSize); // sample size
180 avio_wb32(pb, entries); // sample count
182 avio_wb32(pb, 0); // sample size
183 avio_wb32(pb, entries); // sample count
184 for (i = 0; i < track->entry; i++) {
185 for (j = 0; j < track->cluster[i].entries; j++) {
186 avio_wb32(pb, track->cluster[i].size /
187 track->cluster[i].entries);
191 return update_size(pb, pos);
194 /* Sample to chunk atom */
195 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
197 int index = 0, oldval = -1, i;
198 int64_t entryPos, curpos;
200 int64_t pos = avio_tell(pb);
201 avio_wb32(pb, 0); /* size */
202 ffio_wfourcc(pb, "stsc");
203 avio_wb32(pb, 0); // version & flags
204 entryPos = avio_tell(pb);
205 avio_wb32(pb, track->chunkCount); // entry count
206 for (i = 0; i < track->entry; i++) {
207 if (oldval != track->cluster[i].samples_in_chunk && track->cluster[i].chunkNum) {
208 avio_wb32(pb, track->cluster[i].chunkNum); // first chunk
209 avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
210 avio_wb32(pb, 0x1); // sample description index
211 oldval = track->cluster[i].samples_in_chunk;
215 curpos = avio_tell(pb);
216 avio_seek(pb, entryPos, SEEK_SET);
217 avio_wb32(pb, index); // rewrite size
218 avio_seek(pb, curpos, SEEK_SET);
220 return update_size(pb, pos);
223 /* Sync sample atom */
224 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
226 int64_t curpos, entryPos;
228 int64_t pos = avio_tell(pb);
229 avio_wb32(pb, 0); // size
230 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
231 avio_wb32(pb, 0); // version & flags
232 entryPos = avio_tell(pb);
233 avio_wb32(pb, track->entry); // entry count
234 for (i = 0; i < track->entry; i++) {
235 if (track->cluster[i].flags & flag) {
236 avio_wb32(pb, i + 1);
240 curpos = avio_tell(pb);
241 avio_seek(pb, entryPos, SEEK_SET);
242 avio_wb32(pb, index); // rewrite size
243 avio_seek(pb, curpos, SEEK_SET);
244 return update_size(pb, pos);
247 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
249 avio_wb32(pb, 0x11); /* size */
250 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
251 else ffio_wfourcc(pb, "damr");
252 ffio_wfourcc(pb, "FFMP");
253 avio_w8(pb, 0); /* decoder version */
255 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
256 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
257 avio_w8(pb, 0x01); /* Frames per sample */
261 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
266 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
268 if (track->vos_len < 7)
272 ffio_wfourcc(pb, "dac3");
274 init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
275 fscod = get_bits(&gbc, 2);
276 frmsizecod = get_bits(&gbc, 6);
277 bsid = get_bits(&gbc, 5);
278 bsmod = get_bits(&gbc, 3);
279 acmod = get_bits(&gbc, 3);
281 skip_bits(&gbc, 2); // dsurmod
283 if ((acmod & 1) && acmod != 1)
284 skip_bits(&gbc, 2); // cmixlev
286 skip_bits(&gbc, 2); // surmixlev
288 lfeon = get_bits1(&gbc);
290 init_put_bits(&pbc, buf, sizeof(buf));
291 put_bits(&pbc, 2, fscod);
292 put_bits(&pbc, 5, bsid);
293 put_bits(&pbc, 3, bsmod);
294 put_bits(&pbc, 3, acmod);
295 put_bits(&pbc, 1, lfeon);
296 put_bits(&pbc, 5, frmsizecod >> 1); // bit_rate_code
297 put_bits(&pbc, 5, 0); // reserved
299 flush_put_bits(&pbc);
300 avio_write(pb, buf, sizeof(buf));
310 /* Layout of the EC3SpecificBox */
311 /* maximum bitrate */
313 /* number of independent substreams */
316 /* sample rate code (see ff_ac3_sample_rate_tab) 2 bits */
318 /* bit stream identification 5 bits */
320 /* one bit reserved */
321 /* audio service mixing (not supported yet) 1 bit */
322 /* bit stream mode 3 bits */
324 /* audio coding mode 3 bits */
326 /* sub woofer on 1 bit */
328 /* 3 bits reserved */
329 /* number of dependent substreams associated with this substream 4 bits */
331 /* channel locations of the dependent substream(s), if any, 9 bits */
333 /* if there is no dependent substream, then one bit reserved instead */
334 } substream[1]; /* TODO: support 8 independent substreams */
337 #if CONFIG_AC3_PARSER
338 static int handle_eac3(MOVMuxContext *mov, AVPacket *pkt, MOVTrack *track)
341 AC3HeaderInfo tmp, *hdr = &tmp;
342 struct eac3_info *info;
345 if (!track->eac3_priv && !(track->eac3_priv = av_mallocz(sizeof(*info))))
346 return AVERROR(ENOMEM);
347 info = track->eac3_priv;
349 init_get_bits(&gbc, pkt->data, pkt->size * 8);
350 if (avpriv_ac3_parse_header(&gbc, &hdr) < 0) {
351 /* drop the packets until we see a good one */
353 av_log(mov, AV_LOG_WARNING, "Dropping invalid packet from start of the stream\n");
356 return AVERROR_INVALIDDATA;
359 info->data_rate = FFMAX(info->data_rate, hdr->bit_rate / 1000);
360 num_blocks = hdr->num_blocks;
362 if (!info->ec3_done) {
363 /* AC-3 substream must be the first one */
364 if (hdr->bitstream_id <= 10 && hdr->substreamid != 0)
365 return AVERROR(EINVAL);
367 /* this should always be the case, given that our AC-3 parser
368 * concatenates dependent frames to their independent parent */
369 if (hdr->frame_type == EAC3_FRAME_TYPE_INDEPENDENT) {
370 /* substream ids must be incremental */
371 if (hdr->substreamid > info->num_ind_sub + 1)
372 return AVERROR(EINVAL);
374 if (hdr->substreamid == info->num_ind_sub + 1) {
375 //info->num_ind_sub++;
376 avpriv_request_sample(track->par, "Multiple independent substreams");
377 return AVERROR_PATCHWELCOME;
378 } else if (hdr->substreamid < info->num_ind_sub ||
379 hdr->substreamid == 0 && info->substream[0].bsid) {
385 /* fill the info needed for the "dec3" atom */
386 info->substream[hdr->substreamid].fscod = hdr->sr_code;
387 info->substream[hdr->substreamid].bsid = hdr->bitstream_id;
388 info->substream[hdr->substreamid].bsmod = hdr->bitstream_mode;
389 info->substream[hdr->substreamid].acmod = hdr->channel_mode;
390 info->substream[hdr->substreamid].lfeon = hdr->lfe_on;
392 /* Parse dependent substream(s), if any */
393 if (pkt->size != hdr->frame_size) {
394 int cumul_size = hdr->frame_size;
395 int parent = hdr->substreamid;
397 while (cumul_size != pkt->size) {
399 init_get_bits(&gbc, pkt->data + cumul_size, (pkt->size - cumul_size) * 8);
400 if (avpriv_ac3_parse_header(&gbc, &hdr) < 0)
401 return AVERROR_INVALIDDATA;
402 if (hdr->frame_type != EAC3_FRAME_TYPE_DEPENDENT)
403 return AVERROR(EINVAL);
404 cumul_size += hdr->frame_size;
405 info->substream[parent].num_dep_sub++;
407 /* header is parsed up to lfeon, but custom channel map may be needed */
410 /* skip volume control params */
411 for (i = 0; i < (hdr->channel_mode ? 1 : 2); i++) {
412 skip_bits(&gbc, 5); // skip dialog normalization
413 if (get_bits1(&gbc)) {
414 skip_bits(&gbc, 8); // skip compression gain word
417 /* get the dependent stream channel map, if exists */
419 info->substream[parent].chan_loc |= (get_bits(&gbc, 16) >> 5) & 0x1f;
421 info->substream[parent].chan_loc |= hdr->channel_mode;
427 if (!info->num_blocks && num_blocks == 6)
429 else if (info->num_blocks + num_blocks > 6)
430 return AVERROR_INVALIDDATA;
432 if (!info->num_blocks) {
434 if ((ret = av_copy_packet(&info->pkt, pkt)) < 0)
436 info->num_blocks = num_blocks;
440 if ((ret = av_grow_packet(&info->pkt, pkt->size)) < 0)
442 memcpy(info->pkt.data + info->pkt.size - pkt->size, pkt->data, pkt->size);
443 info->num_blocks += num_blocks;
444 info->pkt.duration += pkt->duration;
445 if ((ret = av_copy_packet_side_data(&info->pkt, pkt)) < 0)
447 if (info->num_blocks != 6)
449 av_packet_unref(pkt);
450 if ((ret = av_copy_packet(pkt, &info->pkt)) < 0)
452 av_packet_unref(&info->pkt);
453 info->num_blocks = 0;
460 static int mov_write_eac3_tag(AVIOContext *pb, MOVTrack *track)
464 struct eac3_info *info;
467 if (!track->eac3_priv)
468 return AVERROR(EINVAL);
470 info = track->eac3_priv;
471 size = 2 + 4 * (info->num_ind_sub + 1);
472 buf = av_malloc(size);
474 size = AVERROR(ENOMEM);
478 init_put_bits(&pbc, buf, size);
479 put_bits(&pbc, 13, info->data_rate);
480 put_bits(&pbc, 3, info->num_ind_sub);
481 for (i = 0; i <= info->num_ind_sub; i++) {
482 put_bits(&pbc, 2, info->substream[i].fscod);
483 put_bits(&pbc, 5, info->substream[i].bsid);
484 put_bits(&pbc, 1, 0); /* reserved */
485 put_bits(&pbc, 1, 0); /* asvc */
486 put_bits(&pbc, 3, info->substream[i].bsmod);
487 put_bits(&pbc, 3, info->substream[i].acmod);
488 put_bits(&pbc, 1, info->substream[i].lfeon);
489 put_bits(&pbc, 5, 0); /* reserved */
490 put_bits(&pbc, 4, info->substream[i].num_dep_sub);
491 if (!info->substream[i].num_dep_sub) {
492 put_bits(&pbc, 1, 0); /* reserved */
495 put_bits(&pbc, 9, info->substream[i].chan_loc);
498 flush_put_bits(&pbc);
500 avio_wb32(pb, size + 8);
501 ffio_wfourcc(pb, "dec3");
502 avio_write(pb, buf, size);
507 av_packet_unref(&info->pkt);
508 av_freep(&track->eac3_priv);
514 * This function writes extradata "as is".
515 * Extradata must be formatted like a valid atom (with size and tag).
517 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
519 avio_write(pb, track->par->extradata, track->par->extradata_size);
520 return track->par->extradata_size;
523 static int mov_write_enda_tag(AVIOContext *pb)
526 ffio_wfourcc(pb, "enda");
527 avio_wb16(pb, 1); /* little endian */
531 static int mov_write_enda_tag_be(AVIOContext *pb)
534 ffio_wfourcc(pb, "enda");
535 avio_wb16(pb, 0); /* big endian */
539 static void put_descr(AVIOContext *pb, int tag, unsigned int size)
544 avio_w8(pb, (size >> (7 * i)) | 0x80);
545 avio_w8(pb, size & 0x7F);
548 static unsigned compute_avg_bitrate(MOVTrack *track)
552 if (!track->track_duration)
554 for (i = 0; i < track->entry; i++)
555 size += track->cluster[i].size;
556 return size * 8 * track->timescale / track->track_duration;
559 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
561 AVCPBProperties *props;
562 int64_t pos = avio_tell(pb);
563 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
564 unsigned avg_bitrate;
566 avio_wb32(pb, 0); // size
567 ffio_wfourcc(pb, "esds");
568 avio_wb32(pb, 0); // Version
571 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
572 avio_wb16(pb, track->track_id);
573 avio_w8(pb, 0x00); // flags (= no flags)
575 // DecoderConfig descriptor
576 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
578 // Object type indication
579 if ((track->par->codec_id == AV_CODEC_ID_MP2 ||
580 track->par->codec_id == AV_CODEC_ID_MP3) &&
581 track->par->sample_rate > 24000)
582 avio_w8(pb, 0x6B); // 11172-3
584 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->par->codec_id));
586 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
587 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
588 if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
589 avio_w8(pb, (0x38 << 2) | 1); // flags (= NeroSubpicStream)
590 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
591 avio_w8(pb, 0x15); // flags (= Audiostream)
593 avio_w8(pb, 0x11); // flags (= Visualstream)
595 props = (AVCPBProperties*)av_stream_get_side_data(track->st, AV_PKT_DATA_CPB_PROPERTIES,
598 avio_wb24(pb, props ? props->buffer_size / 8 : 0); // Buffersize DB
600 avg_bitrate = compute_avg_bitrate(track);
601 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)
602 avio_wb32(pb, avg_bitrate);
604 if (track->vos_len) {
605 // DecoderSpecific info descriptor
606 put_descr(pb, 0x05, track->vos_len);
607 avio_write(pb, track->vos_data, track->vos_len);
611 put_descr(pb, 0x06, 1);
613 return update_size(pb, pos);
616 static int mov_pcm_le_gt16(enum AVCodecID codec_id)
618 return codec_id == AV_CODEC_ID_PCM_S24LE ||
619 codec_id == AV_CODEC_ID_PCM_S32LE ||
620 codec_id == AV_CODEC_ID_PCM_F32LE ||
621 codec_id == AV_CODEC_ID_PCM_F64LE;
624 static int mov_pcm_be_gt16(enum AVCodecID codec_id)
626 return codec_id == AV_CODEC_ID_PCM_S24BE ||
627 codec_id == AV_CODEC_ID_PCM_S32BE ||
628 codec_id == AV_CODEC_ID_PCM_F32BE ||
629 codec_id == AV_CODEC_ID_PCM_F64BE;
632 static int mov_write_ms_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
635 int64_t pos = avio_tell(pb);
637 avio_wl32(pb, track->tag); // store it byteswapped
638 track->par->codec_tag = av_bswap16(track->tag >> 16);
639 if ((ret = ff_put_wav_header(s, pb, track->par, 0)) < 0)
641 return update_size(pb, pos);
644 static int mov_write_wfex_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
647 int64_t pos = avio_tell(pb);
649 ffio_wfourcc(pb, "wfex");
650 if ((ret = ff_put_wav_header(s, pb, track->st->codecpar, FF_PUT_WAV_HEADER_FORCE_WAVEFORMATEX)) < 0)
652 return update_size(pb, pos);
655 static int mov_write_chan_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
657 uint32_t layout_tag, bitmap;
658 int64_t pos = avio_tell(pb);
660 layout_tag = ff_mov_get_channel_layout_tag(track->par->codec_id,
661 track->par->channel_layout,
664 av_log(s, AV_LOG_WARNING, "not writing 'chan' tag due to "
665 "lack of channel information\n");
669 if (track->multichannel_as_mono)
672 avio_wb32(pb, 0); // Size
673 ffio_wfourcc(pb, "chan"); // Type
674 avio_w8(pb, 0); // Version
675 avio_wb24(pb, 0); // Flags
676 avio_wb32(pb, layout_tag); // mChannelLayoutTag
677 avio_wb32(pb, bitmap); // mChannelBitmap
678 avio_wb32(pb, 0); // mNumberChannelDescriptions
680 return update_size(pb, pos);
683 static int mov_write_wave_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
685 int64_t pos = avio_tell(pb);
687 avio_wb32(pb, 0); /* size */
688 ffio_wfourcc(pb, "wave");
690 if (track->par->codec_id != AV_CODEC_ID_QDM2) {
691 avio_wb32(pb, 12); /* size */
692 ffio_wfourcc(pb, "frma");
693 avio_wl32(pb, track->tag);
696 if (track->par->codec_id == AV_CODEC_ID_AAC) {
697 /* useless atom needed by mplayer, ipod, not needed by quicktime */
698 avio_wb32(pb, 12); /* size */
699 ffio_wfourcc(pb, "mp4a");
701 mov_write_esds_tag(pb, track);
702 } else if (mov_pcm_le_gt16(track->par->codec_id)) {
703 mov_write_enda_tag(pb);
704 } else if (mov_pcm_be_gt16(track->par->codec_id)) {
705 mov_write_enda_tag_be(pb);
706 } else if (track->par->codec_id == AV_CODEC_ID_AMR_NB) {
707 mov_write_amr_tag(pb, track);
708 } else if (track->par->codec_id == AV_CODEC_ID_AC3) {
709 mov_write_ac3_tag(pb, track);
710 } else if (track->par->codec_id == AV_CODEC_ID_EAC3) {
711 mov_write_eac3_tag(pb, track);
712 } else if (track->par->codec_id == AV_CODEC_ID_ALAC ||
713 track->par->codec_id == AV_CODEC_ID_QDM2) {
714 mov_write_extradata_tag(pb, track);
715 } else if (track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
716 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
717 mov_write_ms_tag(s, pb, track);
720 avio_wb32(pb, 8); /* size */
721 avio_wb32(pb, 0); /* null tag */
723 return update_size(pb, pos);
726 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
729 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
730 int unescaped_size, seq_found = 0;
731 int level = 0, interlace = 0;
732 int packet_seq = track->vc1_info.packet_seq;
733 int packet_entry = track->vc1_info.packet_entry;
734 int slices = track->vc1_info.slices;
737 if (track->start_dts == AV_NOPTS_VALUE) {
738 /* No packets written yet, vc1_info isn't authoritative yet. */
739 /* Assume inline sequence and entry headers. */
740 packet_seq = packet_entry = 1;
741 av_log(NULL, AV_LOG_WARNING,
742 "moov atom written before any packets, unable to write correct "
743 "dvc1 atom. Set the delay_moov flag to fix this.\n");
746 unescaped = av_mallocz(track->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
748 return AVERROR(ENOMEM);
749 start = find_next_marker(track->vos_data, end);
750 for (next = start; next < end; start = next) {
753 next = find_next_marker(start + 4, end);
754 size = next - start - 4;
757 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
758 init_get_bits(&gb, unescaped, 8 * unescaped_size);
759 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
760 int profile = get_bits(&gb, 2);
761 if (profile != PROFILE_ADVANCED) {
763 return AVERROR(ENOSYS);
766 level = get_bits(&gb, 3);
767 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
769 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
770 skip_bits(&gb, 1); /* broadcast */
771 interlace = get_bits1(&gb);
772 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
777 return AVERROR(ENOSYS);
780 init_put_bits(&pbc, buf, 7);
781 /* VC1DecSpecStruc */
782 put_bits(&pbc, 4, 12); /* profile - advanced */
783 put_bits(&pbc, 3, level);
784 put_bits(&pbc, 1, 0); /* reserved */
785 /* VC1AdvDecSpecStruc */
786 put_bits(&pbc, 3, level);
787 put_bits(&pbc, 1, 0); /* cbr */
788 put_bits(&pbc, 6, 0); /* reserved */
789 put_bits(&pbc, 1, !interlace); /* no interlace */
790 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
791 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
792 put_bits(&pbc, 1, !slices); /* no slice code */
793 put_bits(&pbc, 1, 0); /* no bframe */
794 put_bits(&pbc, 1, 0); /* reserved */
797 if (track->st->avg_frame_rate.num > 0 && track->st->avg_frame_rate.den > 0)
798 put_bits32(&pbc, track->st->avg_frame_rate.num / track->st->avg_frame_rate.den);
800 put_bits32(&pbc, 0xffffffff);
802 flush_put_bits(&pbc);
809 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
811 uint8_t buf[7] = { 0 };
814 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
817 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
818 ffio_wfourcc(pb, "dvc1");
819 avio_write(pb, buf, sizeof(buf));
820 avio_write(pb, track->vos_data, track->vos_len);
825 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
827 avio_wb32(pb, track->vos_len + 8);
828 ffio_wfourcc(pb, "glbl");
829 avio_write(pb, track->vos_data, track->vos_len);
830 return 8 + track->vos_len;
834 * Compute flags for 'lpcm' tag.
835 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
837 static int mov_get_lpcm_flags(enum AVCodecID codec_id)
840 case AV_CODEC_ID_PCM_F32BE:
841 case AV_CODEC_ID_PCM_F64BE:
843 case AV_CODEC_ID_PCM_F32LE:
844 case AV_CODEC_ID_PCM_F64LE:
846 case AV_CODEC_ID_PCM_U8:
848 case AV_CODEC_ID_PCM_S16BE:
849 case AV_CODEC_ID_PCM_S24BE:
850 case AV_CODEC_ID_PCM_S32BE:
852 case AV_CODEC_ID_PCM_S8:
853 case AV_CODEC_ID_PCM_S16LE:
854 case AV_CODEC_ID_PCM_S24LE:
855 case AV_CODEC_ID_PCM_S32LE:
862 static int get_cluster_duration(MOVTrack *track, int cluster_idx)
866 if (cluster_idx >= track->entry)
869 if (cluster_idx + 1 == track->entry)
870 next_dts = track->track_duration + track->start_dts;
872 next_dts = track->cluster[cluster_idx + 1].dts;
874 next_dts -= track->cluster[cluster_idx].dts;
876 av_assert0(next_dts >= 0);
877 av_assert0(next_dts <= INT_MAX);
882 static int get_samples_per_packet(MOVTrack *track)
884 int i, first_duration;
886 // return track->par->frame_size;
888 /* use 1 for raw PCM */
889 if (!track->audio_vbr)
892 /* check to see if duration is constant for all clusters */
895 first_duration = get_cluster_duration(track, 0);
896 for (i = 1; i < track->entry; i++) {
897 if (get_cluster_duration(track, i) != first_duration)
900 return first_duration;
903 static int mov_write_audio_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
905 int64_t pos = avio_tell(pb);
907 uint32_t tag = track->tag;
909 if (track->mode == MODE_MOV) {
910 if (track->timescale > UINT16_MAX) {
911 if (mov_get_lpcm_flags(track->par->codec_id))
912 tag = AV_RL32("lpcm");
914 } else if (track->audio_vbr || mov_pcm_le_gt16(track->par->codec_id) ||
915 mov_pcm_be_gt16(track->par->codec_id) ||
916 track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
917 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
918 track->par->codec_id == AV_CODEC_ID_QDM2) {
923 avio_wb32(pb, 0); /* size */
924 if (mov->encryption_scheme != MOV_ENC_NONE) {
925 ffio_wfourcc(pb, "enca");
927 avio_wl32(pb, tag); // store it byteswapped
929 avio_wb32(pb, 0); /* Reserved */
930 avio_wb16(pb, 0); /* Reserved */
931 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
933 /* SoundDescription */
934 avio_wb16(pb, version); /* Version */
935 avio_wb16(pb, 0); /* Revision level */
936 avio_wb32(pb, 0); /* Reserved */
941 avio_wb16(pb, 0xfffe);
943 avio_wb32(pb, 0x00010000);
945 avio_wb64(pb, av_double2int(track->par->sample_rate));
946 avio_wb32(pb, track->par->channels);
947 avio_wb32(pb, 0x7F000000);
948 avio_wb32(pb, av_get_bits_per_sample(track->par->codec_id));
949 avio_wb32(pb, mov_get_lpcm_flags(track->par->codec_id));
950 avio_wb32(pb, track->sample_size);
951 avio_wb32(pb, get_samples_per_packet(track));
953 if (track->mode == MODE_MOV) {
954 avio_wb16(pb, track->par->channels);
955 if (track->par->codec_id == AV_CODEC_ID_PCM_U8 ||
956 track->par->codec_id == AV_CODEC_ID_PCM_S8)
957 avio_wb16(pb, 8); /* bits per sample */
958 else if (track->par->codec_id == AV_CODEC_ID_ADPCM_G726)
959 avio_wb16(pb, track->par->bits_per_coded_sample);
962 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
963 } else { /* reserved for mp4/3gp */
969 avio_wb16(pb, 0); /* packet size (= 0) */
970 avio_wb16(pb, track->par->sample_rate <= UINT16_MAX ?
971 track->par->sample_rate : 0);
972 avio_wb16(pb, 0); /* Reserved */
975 if (version == 1) { /* SoundDescription V1 extended info */
976 if (mov_pcm_le_gt16(track->par->codec_id) ||
977 mov_pcm_be_gt16(track->par->codec_id))
978 avio_wb32(pb, 1); /* must be 1 for uncompressed formats */
980 avio_wb32(pb, track->par->frame_size); /* Samples per packet */
981 avio_wb32(pb, track->sample_size / track->par->channels); /* Bytes per packet */
982 avio_wb32(pb, track->sample_size); /* Bytes per frame */
983 avio_wb32(pb, 2); /* Bytes per sample */
986 if (track->mode == MODE_MOV &&
987 (track->par->codec_id == AV_CODEC_ID_AAC ||
988 track->par->codec_id == AV_CODEC_ID_AC3 ||
989 track->par->codec_id == AV_CODEC_ID_EAC3 ||
990 track->par->codec_id == AV_CODEC_ID_AMR_NB ||
991 track->par->codec_id == AV_CODEC_ID_ALAC ||
992 track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
993 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
994 track->par->codec_id == AV_CODEC_ID_QDM2 ||
995 (mov_pcm_le_gt16(track->par->codec_id) && version==1) ||
996 (mov_pcm_be_gt16(track->par->codec_id) && version==1)))
997 mov_write_wave_tag(s, pb, track);
998 else if (track->tag == MKTAG('m','p','4','a'))
999 mov_write_esds_tag(pb, track);
1000 else if (track->par->codec_id == AV_CODEC_ID_AMR_NB)
1001 mov_write_amr_tag(pb, track);
1002 else if (track->par->codec_id == AV_CODEC_ID_AC3)
1003 mov_write_ac3_tag(pb, track);
1004 else if (track->par->codec_id == AV_CODEC_ID_EAC3)
1005 mov_write_eac3_tag(pb, track);
1006 else if (track->par->codec_id == AV_CODEC_ID_ALAC)
1007 mov_write_extradata_tag(pb, track);
1008 else if (track->par->codec_id == AV_CODEC_ID_WMAPRO)
1009 mov_write_wfex_tag(s, pb, track);
1010 else if (track->vos_len > 0)
1011 mov_write_glbl_tag(pb, track);
1013 if (track->mode == MODE_MOV && track->par->codec_type == AVMEDIA_TYPE_AUDIO)
1014 mov_write_chan_tag(s, pb, track);
1016 if (mov->encryption_scheme != MOV_ENC_NONE) {
1017 ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid);
1020 return update_size(pb, pos);
1023 static int mov_write_d263_tag(AVIOContext *pb)
1025 avio_wb32(pb, 0xf); /* size */
1026 ffio_wfourcc(pb, "d263");
1027 ffio_wfourcc(pb, "FFMP");
1028 avio_w8(pb, 0); /* decoder version */
1029 /* FIXME use AVCodecContext level/profile, when encoder will set values */
1030 avio_w8(pb, 0xa); /* level */
1031 avio_w8(pb, 0); /* profile */
1035 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
1037 int64_t pos = avio_tell(pb);
1040 ffio_wfourcc(pb, "avcC");
1041 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
1042 return update_size(pb, pos);
1045 static int mov_write_vpcc_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
1047 int64_t pos = avio_tell(pb);
1050 ffio_wfourcc(pb, "vpcC");
1051 avio_wb32(pb, 0); /* version & flags */
1052 ff_isom_write_vpcc(s, pb, track->par);
1053 return update_size(pb, pos);
1056 static int mov_write_hvcc_tag(AVIOContext *pb, MOVTrack *track)
1058 int64_t pos = avio_tell(pb);
1061 ffio_wfourcc(pb, "hvcC");
1062 ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 0);
1063 return update_size(pb, pos);
1066 /* also used by all avid codecs (dv, imx, meridien) and their variants */
1067 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
1073 if (track->vos_data && track->vos_len > 0x29) {
1074 if (ff_dnxhd_parse_header_prefix(track->vos_data) != 0) {
1075 /* looks like a DNxHD bit stream */
1076 interlaced = (track->vos_data[5] & 2);
1077 cid = AV_RB32(track->vos_data + 0x28);
1079 av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream in vos_data\n");
1083 av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream, vos_data too small\n");
1087 avio_wb32(pb, 24); /* size */
1088 ffio_wfourcc(pb, "ACLR");
1089 ffio_wfourcc(pb, "ACLR");
1090 ffio_wfourcc(pb, "0001");
1091 if (track->par->color_range == AVCOL_RANGE_MPEG || /* Legal range (16-235) */
1092 track->par->color_range == AVCOL_RANGE_UNSPECIFIED) {
1093 avio_wb32(pb, 1); /* Corresponds to 709 in official encoder */
1094 } else { /* Full range (0-255) */
1095 avio_wb32(pb, 2); /* Corresponds to RGB in official encoder */
1097 avio_wb32(pb, 0); /* unknown */
1099 if (track->tag == MKTAG('A','V','d','h')) {
1101 ffio_wfourcc(pb, "ADHR");
1102 ffio_wfourcc(pb, "0001");
1104 avio_wb32(pb, 0); /* unknown */
1105 avio_wb32(pb, 1); /* unknown */
1106 avio_wb32(pb, 0); /* unknown */
1107 avio_wb32(pb, 0); /* unknown */
1111 avio_wb32(pb, 24); /* size */
1112 ffio_wfourcc(pb, "APRG");
1113 ffio_wfourcc(pb, "APRG");
1114 ffio_wfourcc(pb, "0001");
1115 avio_wb32(pb, 1); /* unknown */
1116 avio_wb32(pb, 0); /* unknown */
1118 avio_wb32(pb, 120); /* size */
1119 ffio_wfourcc(pb, "ARES");
1120 ffio_wfourcc(pb, "ARES");
1121 ffio_wfourcc(pb, "0001");
1122 avio_wb32(pb, cid); /* dnxhd cid, some id ? */
1123 avio_wb32(pb, track->par->width);
1124 /* values below are based on samples created with quicktime and avid codecs */
1126 avio_wb32(pb, track->par->height / 2);
1127 avio_wb32(pb, 2); /* unknown */
1128 avio_wb32(pb, 0); /* unknown */
1129 avio_wb32(pb, 4); /* unknown */
1131 avio_wb32(pb, track->par->height);
1132 avio_wb32(pb, 1); /* unknown */
1133 avio_wb32(pb, 0); /* unknown */
1134 if (track->par->height == 1080)
1135 avio_wb32(pb, 5); /* unknown */
1137 avio_wb32(pb, 6); /* unknown */
1140 for (i = 0; i < 10; i++)
1146 static int mov_write_dpxe_tag(AVIOContext *pb, MOVTrack *track)
1149 ffio_wfourcc(pb, "DpxE");
1150 if (track->par->extradata_size >= 12 &&
1151 !memcmp(&track->par->extradata[4], "DpxE", 4)) {
1152 avio_wb32(pb, track->par->extradata[11]);
1159 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1161 int tag = track->par->codec_tag;
1163 if (!ff_codec_get_tag(ff_mp4_obj_type, track->par->codec_id))
1166 if (track->par->codec_id == AV_CODEC_ID_H264) tag = MKTAG('a','v','c','1');
1167 else if (track->par->codec_id == AV_CODEC_ID_HEVC) tag = MKTAG('h','e','v','1');
1168 else if (track->par->codec_id == AV_CODEC_ID_VP9) tag = MKTAG('v','p','0','9');
1169 else if (track->par->codec_id == AV_CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
1170 else if (track->par->codec_id == AV_CODEC_ID_EAC3) tag = MKTAG('e','c','-','3');
1171 else if (track->par->codec_id == AV_CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
1172 else if (track->par->codec_id == AV_CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
1173 else if (track->par->codec_id == AV_CODEC_ID_VC1) tag = MKTAG('v','c','-','1');
1174 else if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
1175 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
1176 else if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE) tag = MKTAG('m','p','4','s');
1181 static const AVCodecTag codec_ipod_tags[] = {
1182 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
1183 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
1184 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
1185 { AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') },
1186 { AV_CODEC_ID_AC3, MKTAG('a','c','-','3') },
1187 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
1188 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
1189 { AV_CODEC_ID_NONE, 0 },
1192 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1194 int tag = track->par->codec_tag;
1196 // keep original tag for subs, ipod supports both formats
1197 if (!(track->par->codec_type == AVMEDIA_TYPE_SUBTITLE &&
1198 (tag == MKTAG('t', 'x', '3', 'g') ||
1199 tag == MKTAG('t', 'e', 'x', 't'))))
1200 tag = ff_codec_get_tag(codec_ipod_tags, track->par->codec_id);
1202 if (!av_match_ext(s->filename, "m4a") &&
1203 !av_match_ext(s->filename, "m4b") &&
1204 !av_match_ext(s->filename, "m4v"))
1205 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a, .m4v nor .m4b "
1206 "Quicktime/Ipod might not play the file\n");
1211 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
1215 if (track->par->width == 720) { /* SD */
1216 if (track->par->height == 480) { /* NTSC */
1217 if (track->par->format == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
1218 else tag = MKTAG('d','v','c',' ');
1219 }else if (track->par->format == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
1220 else if (track->par->format == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
1221 else tag = MKTAG('d','v','p','p');
1222 } else if (track->par->height == 720) { /* HD 720 line */
1223 if (track->st->time_base.den == 50) tag = MKTAG('d','v','h','q');
1224 else tag = MKTAG('d','v','h','p');
1225 } else if (track->par->height == 1080) { /* HD 1080 line */
1226 if (track->st->time_base.den == 25) tag = MKTAG('d','v','h','5');
1227 else tag = MKTAG('d','v','h','6');
1229 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
1236 static AVRational find_fps(AVFormatContext *s, AVStream *st)
1238 AVRational rate = st->avg_frame_rate;
1240 #if FF_API_LAVF_AVCTX
1241 FF_DISABLE_DEPRECATION_WARNINGS
1242 rate = av_inv_q(st->codec->time_base);
1243 if (av_timecode_check_frame_rate(rate) < 0) {
1244 av_log(s, AV_LOG_DEBUG, "timecode: tbc=%d/%d invalid, fallback on %d/%d\n",
1245 rate.num, rate.den, st->avg_frame_rate.num, st->avg_frame_rate.den);
1246 rate = st->avg_frame_rate;
1248 FF_ENABLE_DEPRECATION_WARNINGS
1254 static int mov_get_mpeg2_xdcam_codec_tag(AVFormatContext *s, MOVTrack *track)
1256 int tag = track->par->codec_tag;
1257 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1258 AVStream *st = track->st;
1259 int rate = av_q2d(find_fps(s, st));
1262 tag = MKTAG('m', '2', 'v', '1'); //fallback tag
1264 if (track->par->format == AV_PIX_FMT_YUV420P) {
1265 if (track->par->width == 1280 && track->par->height == 720) {
1267 if (rate == 24) tag = MKTAG('x','d','v','4');
1268 else if (rate == 25) tag = MKTAG('x','d','v','5');
1269 else if (rate == 30) tag = MKTAG('x','d','v','1');
1270 else if (rate == 50) tag = MKTAG('x','d','v','a');
1271 else if (rate == 60) tag = MKTAG('x','d','v','9');
1273 } else if (track->par->width == 1440 && track->par->height == 1080) {
1275 if (rate == 24) tag = MKTAG('x','d','v','6');
1276 else if (rate == 25) tag = MKTAG('x','d','v','7');
1277 else if (rate == 30) tag = MKTAG('x','d','v','8');
1279 if (rate == 25) tag = MKTAG('x','d','v','3');
1280 else if (rate == 30) tag = MKTAG('x','d','v','2');
1282 } else if (track->par->width == 1920 && track->par->height == 1080) {
1284 if (rate == 24) tag = MKTAG('x','d','v','d');
1285 else if (rate == 25) tag = MKTAG('x','d','v','e');
1286 else if (rate == 30) tag = MKTAG('x','d','v','f');
1288 if (rate == 25) tag = MKTAG('x','d','v','c');
1289 else if (rate == 30) tag = MKTAG('x','d','v','b');
1292 } else if (track->par->format == AV_PIX_FMT_YUV422P) {
1293 if (track->par->width == 1280 && track->par->height == 720) {
1295 if (rate == 24) tag = MKTAG('x','d','5','4');
1296 else if (rate == 25) tag = MKTAG('x','d','5','5');
1297 else if (rate == 30) tag = MKTAG('x','d','5','1');
1298 else if (rate == 50) tag = MKTAG('x','d','5','a');
1299 else if (rate == 60) tag = MKTAG('x','d','5','9');
1301 } else if (track->par->width == 1920 && track->par->height == 1080) {
1303 if (rate == 24) tag = MKTAG('x','d','5','d');
1304 else if (rate == 25) tag = MKTAG('x','d','5','e');
1305 else if (rate == 30) tag = MKTAG('x','d','5','f');
1307 if (rate == 25) tag = MKTAG('x','d','5','c');
1308 else if (rate == 30) tag = MKTAG('x','d','5','b');
1316 static int mov_get_h264_codec_tag(AVFormatContext *s, MOVTrack *track)
1318 int tag = track->par->codec_tag;
1319 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1320 AVStream *st = track->st;
1321 int rate = av_q2d(find_fps(s, st));
1324 tag = MKTAG('a', 'v', 'c', 'i'); //fallback tag
1326 if (track->par->format == AV_PIX_FMT_YUV420P10) {
1327 if (track->par->width == 960 && track->par->height == 720) {
1329 if (rate == 24) tag = MKTAG('a','i','5','p');
1330 else if (rate == 25) tag = MKTAG('a','i','5','q');
1331 else if (rate == 30) tag = MKTAG('a','i','5','p');
1332 else if (rate == 50) tag = MKTAG('a','i','5','q');
1333 else if (rate == 60) tag = MKTAG('a','i','5','p');
1335 } else if (track->par->width == 1440 && track->par->height == 1080) {
1337 if (rate == 24) tag = MKTAG('a','i','5','3');
1338 else if (rate == 25) tag = MKTAG('a','i','5','2');
1339 else if (rate == 30) tag = MKTAG('a','i','5','3');
1341 if (rate == 50) tag = MKTAG('a','i','5','5');
1342 else if (rate == 60) tag = MKTAG('a','i','5','6');
1345 } else if (track->par->format == AV_PIX_FMT_YUV422P10) {
1346 if (track->par->width == 1280 && track->par->height == 720) {
1348 if (rate == 24) tag = MKTAG('a','i','1','p');
1349 else if (rate == 25) tag = MKTAG('a','i','1','q');
1350 else if (rate == 30) tag = MKTAG('a','i','1','p');
1351 else if (rate == 50) tag = MKTAG('a','i','1','q');
1352 else if (rate == 60) tag = MKTAG('a','i','1','p');
1354 } else if (track->par->width == 1920 && track->par->height == 1080) {
1356 if (rate == 24) tag = MKTAG('a','i','1','3');
1357 else if (rate == 25) tag = MKTAG('a','i','1','2');
1358 else if (rate == 30) tag = MKTAG('a','i','1','3');
1360 if (rate == 25) tag = MKTAG('a','i','1','5');
1361 else if (rate == 50) tag = MKTAG('a','i','1','5');
1362 else if (rate == 60) tag = MKTAG('a','i','1','6');
1364 } else if ( track->par->width == 4096 && track->par->height == 2160
1365 || track->par->width == 3840 && track->par->height == 2160
1366 || track->par->width == 2048 && track->par->height == 1080) {
1367 tag = MKTAG('a','i','v','x');
1374 static const struct {
1375 enum AVPixelFormat pix_fmt;
1378 } mov_pix_fmt_tags[] = {
1379 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','2'), 0 },
1380 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
1381 { AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
1382 { AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
1383 { AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
1384 { AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
1385 { AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
1386 { AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
1387 { AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
1388 { AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
1389 { AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
1390 { AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
1391 { AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
1392 { AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
1393 { AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
1396 static int mov_get_dnxhd_codec_tag(AVFormatContext *s, MOVTrack *track)
1398 int tag = MKTAG('A','V','d','n');
1399 if (track->par->profile != FF_PROFILE_UNKNOWN &&
1400 track->par->profile != FF_PROFILE_DNXHD)
1401 tag = MKTAG('A','V','d','h');
1405 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
1407 int tag = track->par->codec_tag;
1409 enum AVPixelFormat pix_fmt;
1411 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
1412 if (track->par->format == mov_pix_fmt_tags[i].pix_fmt) {
1413 tag = mov_pix_fmt_tags[i].tag;
1414 track->par->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
1415 if (track->par->codec_tag == mov_pix_fmt_tags[i].tag)
1420 pix_fmt = avpriv_find_pix_fmt(avpriv_pix_fmt_bps_mov,
1421 track->par->bits_per_coded_sample);
1422 if (tag == MKTAG('r','a','w',' ') &&
1423 track->par->format != pix_fmt &&
1424 track->par->format != AV_PIX_FMT_NONE)
1425 av_log(s, AV_LOG_ERROR, "%s rawvideo cannot be written to mov, output file will be unreadable\n",
1426 av_get_pix_fmt_name(track->par->format));
1430 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1432 int tag = track->par->codec_tag;
1434 if (!tag || (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
1435 (track->par->codec_id == AV_CODEC_ID_DVVIDEO ||
1436 track->par->codec_id == AV_CODEC_ID_RAWVIDEO ||
1437 track->par->codec_id == AV_CODEC_ID_H263 ||
1438 track->par->codec_id == AV_CODEC_ID_H264 ||
1439 track->par->codec_id == AV_CODEC_ID_DNXHD ||
1440 track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO ||
1441 av_get_bits_per_sample(track->par->codec_id)))) { // pcm audio
1442 if (track->par->codec_id == AV_CODEC_ID_DVVIDEO)
1443 tag = mov_get_dv_codec_tag(s, track);
1444 else if (track->par->codec_id == AV_CODEC_ID_RAWVIDEO)
1445 tag = mov_get_rawvideo_codec_tag(s, track);
1446 else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO)
1447 tag = mov_get_mpeg2_xdcam_codec_tag(s, track);
1448 else if (track->par->codec_id == AV_CODEC_ID_H264)
1449 tag = mov_get_h264_codec_tag(s, track);
1450 else if (track->par->codec_id == AV_CODEC_ID_DNXHD)
1451 tag = mov_get_dnxhd_codec_tag(s, track);
1452 else if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
1453 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->par->codec_id);
1454 if (!tag) { // if no mac fcc found, try with Microsoft tags
1455 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->par->codec_id);
1457 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
1458 "the file may be unplayable!\n");
1460 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
1461 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->par->codec_id);
1462 if (!tag) { // if no mac fcc found, try with Microsoft tags
1463 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->par->codec_id);
1465 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
1466 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
1467 "the file may be unplayable!\n");
1470 } else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)
1471 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->par->codec_id);
1477 static const AVCodecTag codec_3gp_tags[] = {
1478 { AV_CODEC_ID_H263, MKTAG('s','2','6','3') },
1479 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
1480 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
1481 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
1482 { AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
1483 { AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
1484 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
1485 { AV_CODEC_ID_NONE, 0 },
1488 static const AVCodecTag codec_f4v_tags[] = { // XXX: add GIF/PNG/JPEG?
1489 { AV_CODEC_ID_MP3, MKTAG('.','m','p','3') },
1490 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
1491 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
1492 { AV_CODEC_ID_VP6A, MKTAG('V','P','6','A') },
1493 { AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') },
1494 { AV_CODEC_ID_NONE, 0 },
1497 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
1501 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
1502 tag = mp4_get_codec_tag(s, track);
1503 else if (track->mode == MODE_ISM) {
1504 tag = mp4_get_codec_tag(s, track);
1505 if (!tag && track->par->codec_id == AV_CODEC_ID_WMAPRO)
1506 tag = MKTAG('w', 'm', 'a', ' ');
1507 } else if (track->mode == MODE_IPOD)
1508 tag = ipod_get_codec_tag(s, track);
1509 else if (track->mode & MODE_3GP)
1510 tag = ff_codec_get_tag(codec_3gp_tags, track->par->codec_id);
1511 else if (track->mode == MODE_F4V)
1512 tag = ff_codec_get_tag(codec_f4v_tags, track->par->codec_id);
1514 tag = mov_get_codec_tag(s, track);
1519 /** Write uuid atom.
1520 * Needed to make file play in iPods running newest firmware
1521 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
1523 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
1526 ffio_wfourcc(pb, "uuid");
1527 avio_wb32(pb, 0x6b6840f2);
1528 avio_wb32(pb, 0x5f244fc5);
1529 avio_wb32(pb, 0xba39a51b);
1530 avio_wb32(pb, 0xcf0323f3);
1535 static const uint16_t fiel_data[] = {
1536 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
1539 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track, int field_order)
1541 unsigned mov_field_order = 0;
1542 if (field_order < FF_ARRAY_ELEMS(fiel_data))
1543 mov_field_order = fiel_data[field_order];
1547 ffio_wfourcc(pb, "fiel");
1548 avio_wb16(pb, mov_field_order);
1552 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
1554 int64_t pos = avio_tell(pb);
1555 avio_wb32(pb, 0); /* size */
1556 avio_wl32(pb, track->tag); // store it byteswapped
1557 avio_wb32(pb, 0); /* Reserved */
1558 avio_wb16(pb, 0); /* Reserved */
1559 avio_wb16(pb, 1); /* Data-reference index */
1561 if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
1562 mov_write_esds_tag(pb, track);
1563 else if (track->par->extradata_size)
1564 avio_write(pb, track->par->extradata, track->par->extradata_size);
1566 return update_size(pb, pos);
1569 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
1572 av_reduce(&sar.num, &sar.den, track->par->sample_aspect_ratio.num,
1573 track->par->sample_aspect_ratio.den, INT_MAX);
1576 ffio_wfourcc(pb, "pasp");
1577 avio_wb32(pb, sar.num);
1578 avio_wb32(pb, sar.den);
1582 static int mov_write_gama_tag(AVIOContext *pb, MOVTrack *track, double gamma)
1587 gamma = avpriv_get_gamma_from_trc(track->par->color_trc);
1589 av_log(pb, AV_LOG_DEBUG, "gamma value %g\n", gamma);
1592 gama = (uint32_t)lrint((double)(1<<16) * gamma);
1593 av_log(pb, AV_LOG_DEBUG, "writing gama value %d\n", gama);
1595 av_assert0(track->mode == MODE_MOV);
1597 ffio_wfourcc(pb, "gama");
1598 avio_wb32(pb, gama);
1602 av_log(pb, AV_LOG_WARNING, "gamma value unknown, unable to write gama atom\n");
1607 static int mov_write_colr_tag(AVIOContext *pb, MOVTrack *track)
1609 // Ref (MOV): https://developer.apple.com/library/mac/technotes/tn2162/_index.html#//apple_ref/doc/uid/DTS40013070-CH1-TNTAG9
1610 // Ref (MP4): ISO/IEC 14496-12:2012
1612 if (track->par->color_primaries == AVCOL_PRI_UNSPECIFIED &&
1613 track->par->color_trc == AVCOL_TRC_UNSPECIFIED &&
1614 track->par->color_space == AVCOL_SPC_UNSPECIFIED) {
1615 if ((track->par->width >= 1920 && track->par->height >= 1080)
1616 || (track->par->width == 1280 && track->par->height == 720)) {
1617 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming bt709\n");
1618 track->par->color_primaries = AVCOL_PRI_BT709;
1619 } else if (track->par->width == 720 && track->height == 576) {
1620 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming bt470bg\n");
1621 track->par->color_primaries = AVCOL_PRI_BT470BG;
1622 } else if (track->par->width == 720 &&
1623 (track->height == 486 || track->height == 480)) {
1624 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming smpte170\n");
1625 track->par->color_primaries = AVCOL_PRI_SMPTE170M;
1627 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, unable to assume anything\n");
1629 switch (track->par->color_primaries) {
1630 case AVCOL_PRI_BT709:
1631 track->par->color_trc = AVCOL_TRC_BT709;
1632 track->par->color_space = AVCOL_SPC_BT709;
1634 case AVCOL_PRI_SMPTE170M:
1635 case AVCOL_PRI_BT470BG:
1636 track->par->color_trc = AVCOL_TRC_BT709;
1637 track->par->color_space = AVCOL_SPC_SMPTE170M;
1642 /* We should only ever be called by MOV or MP4. */
1643 av_assert0(track->mode == MODE_MOV || track->mode == MODE_MP4);
1645 avio_wb32(pb, 18 + (track->mode == MODE_MP4));
1646 ffio_wfourcc(pb, "colr");
1647 if (track->mode == MODE_MP4)
1648 ffio_wfourcc(pb, "nclx");
1650 ffio_wfourcc(pb, "nclc");
1651 switch (track->par->color_primaries) {
1652 case AVCOL_PRI_BT709: avio_wb16(pb, 1); break;
1653 case AVCOL_PRI_SMPTE170M:
1654 case AVCOL_PRI_SMPTE240M: avio_wb16(pb, 6); break;
1655 case AVCOL_PRI_BT470BG: avio_wb16(pb, 5); break;
1656 default: avio_wb16(pb, 2);
1658 switch (track->par->color_trc) {
1659 case AVCOL_TRC_BT709: avio_wb16(pb, 1); break;
1660 case AVCOL_TRC_SMPTE170M: avio_wb16(pb, 1); break; // remapped
1661 case AVCOL_TRC_SMPTE240M: avio_wb16(pb, 7); break;
1662 default: avio_wb16(pb, 2);
1664 switch (track->par->color_space) {
1665 case AVCOL_SPC_BT709: avio_wb16(pb, 1); break;
1666 case AVCOL_SPC_BT470BG:
1667 case AVCOL_SPC_SMPTE170M: avio_wb16(pb, 6); break;
1668 case AVCOL_SPC_SMPTE240M: avio_wb16(pb, 7); break;
1669 default: avio_wb16(pb, 2);
1672 if (track->mode == MODE_MP4) {
1673 int full_range = track->par->color_range == AVCOL_RANGE_JPEG;
1674 avio_w8(pb, full_range << 7);
1681 static void find_compressor(char * compressor_name, int len, MOVTrack *track)
1683 AVDictionaryEntry *encoder;
1684 int xdcam_res = (track->par->width == 1280 && track->par->height == 720)
1685 || (track->par->width == 1440 && track->par->height == 1080)
1686 || (track->par->width == 1920 && track->par->height == 1080);
1688 if (track->mode == MODE_MOV &&
1689 (encoder = av_dict_get(track->st->metadata, "encoder", NULL, 0))) {
1690 av_strlcpy(compressor_name, encoder->value, 32);
1691 } else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO && xdcam_res) {
1692 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1693 AVStream *st = track->st;
1694 int rate = av_q2d(find_fps(NULL, st));
1695 av_strlcatf(compressor_name, len, "XDCAM");
1696 if (track->par->format == AV_PIX_FMT_YUV422P) {
1697 av_strlcatf(compressor_name, len, " HD422");
1698 } else if(track->par->width == 1440) {
1699 av_strlcatf(compressor_name, len, " HD");
1701 av_strlcatf(compressor_name, len, " EX");
1703 av_strlcatf(compressor_name, len, " %d%c", track->par->height, interlaced ? 'i' : 'p');
1705 av_strlcatf(compressor_name, len, "%d", rate * (interlaced + 1));
1709 static int mov_write_video_tag(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
1711 int64_t pos = avio_tell(pb);
1712 char compressor_name[32] = { 0 };
1715 avio_wb32(pb, 0); /* size */
1716 if (mov->encryption_scheme != MOV_ENC_NONE) {
1717 ffio_wfourcc(pb, "encv");
1719 avio_wl32(pb, track->tag); // store it byteswapped
1721 avio_wb32(pb, 0); /* Reserved */
1722 avio_wb16(pb, 0); /* Reserved */
1723 avio_wb16(pb, 1); /* Data-reference index */
1725 avio_wb16(pb, 0); /* Codec stream version */
1726 avio_wb16(pb, 0); /* Codec stream revision (=0) */
1727 if (track->mode == MODE_MOV) {
1728 ffio_wfourcc(pb, "FFMP"); /* Vendor */
1729 if (track->par->codec_id == AV_CODEC_ID_RAWVIDEO) {
1730 avio_wb32(pb, 0); /* Temporal Quality */
1731 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
1733 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
1734 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
1737 avio_wb32(pb, 0); /* Reserved */
1738 avio_wb32(pb, 0); /* Reserved */
1739 avio_wb32(pb, 0); /* Reserved */
1741 avio_wb16(pb, track->par->width); /* Video width */
1742 avio_wb16(pb, track->height); /* Video height */
1743 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
1744 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
1745 avio_wb32(pb, 0); /* Data size (= 0) */
1746 avio_wb16(pb, 1); /* Frame count (= 1) */
1748 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
1749 find_compressor(compressor_name, 32, track);
1750 avio_w8(pb, strlen(compressor_name));
1751 avio_write(pb, compressor_name, 31);
1753 if (track->mode == MODE_MOV && track->par->bits_per_coded_sample)
1754 avio_wb16(pb, track->par->bits_per_coded_sample |
1755 (track->par->format == AV_PIX_FMT_GRAY8 ? 0x20 : 0));
1757 avio_wb16(pb, 0x18); /* Reserved */
1759 if (track->mode == MODE_MOV && track->par->format == AV_PIX_FMT_PAL8) {
1760 int pal_size = 1 << track->par->bits_per_coded_sample;
1762 avio_wb16(pb, 0); /* Color table ID */
1763 avio_wb32(pb, 0); /* Color table seed */
1764 avio_wb16(pb, 0x8000); /* Color table flags */
1765 avio_wb16(pb, pal_size - 1); /* Color table size (zero-relative) */
1766 for (i = 0; i < pal_size; i++) {
1767 uint32_t rgb = track->palette[i];
1768 uint16_t r = (rgb >> 16) & 0xff;
1769 uint16_t g = (rgb >> 8) & 0xff;
1770 uint16_t b = rgb & 0xff;
1772 avio_wb16(pb, (r << 8) | r);
1773 avio_wb16(pb, (g << 8) | g);
1774 avio_wb16(pb, (b << 8) | b);
1777 avio_wb16(pb, 0xffff); /* Reserved */
1779 if (track->tag == MKTAG('m','p','4','v'))
1780 mov_write_esds_tag(pb, track);
1781 else if (track->par->codec_id == AV_CODEC_ID_H263)
1782 mov_write_d263_tag(pb);
1783 else if (track->par->codec_id == AV_CODEC_ID_AVUI ||
1784 track->par->codec_id == AV_CODEC_ID_SVQ3) {
1785 mov_write_extradata_tag(pb, track);
1787 } else if (track->par->codec_id == AV_CODEC_ID_DNXHD) {
1788 mov_write_avid_tag(pb, track);
1790 } else if (track->par->codec_id == AV_CODEC_ID_HEVC)
1791 mov_write_hvcc_tag(pb, track);
1792 else if (track->par->codec_id == AV_CODEC_ID_H264 && !TAG_IS_AVCI(track->tag)) {
1793 mov_write_avcc_tag(pb, track);
1794 if (track->mode == MODE_IPOD)
1795 mov_write_uuid_tag_ipod(pb);
1796 } else if (track->par->codec_id == AV_CODEC_ID_VP9) {
1797 mov_write_vpcc_tag(mov->fc, pb, track);
1798 } else if (track->par->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
1799 mov_write_dvc1_tag(pb, track);
1800 else if (track->par->codec_id == AV_CODEC_ID_VP6F ||
1801 track->par->codec_id == AV_CODEC_ID_VP6A) {
1802 /* Don't write any potential extradata here - the cropping
1803 * is signalled via the normal width/height fields. */
1804 } else if (track->par->codec_id == AV_CODEC_ID_R10K) {
1805 if (track->par->codec_tag == MKTAG('R','1','0','k'))
1806 mov_write_dpxe_tag(pb, track);
1807 } else if (track->vos_len > 0)
1808 mov_write_glbl_tag(pb, track);
1810 if (track->par->codec_id != AV_CODEC_ID_H264 &&
1811 track->par->codec_id != AV_CODEC_ID_MPEG4 &&
1812 track->par->codec_id != AV_CODEC_ID_DNXHD) {
1813 int field_order = track->par->field_order;
1815 #if FF_API_LAVF_AVCTX
1816 FF_DISABLE_DEPRECATION_WARNINGS
1817 if (field_order != track->st->codec->field_order && track->st->codec->field_order != AV_FIELD_UNKNOWN)
1818 field_order = track->st->codec->field_order;
1819 FF_ENABLE_DEPRECATION_WARNINGS
1822 if (field_order != AV_FIELD_UNKNOWN)
1823 mov_write_fiel_tag(pb, track, field_order);
1826 if (mov->flags & FF_MOV_FLAG_WRITE_GAMA) {
1827 if (track->mode == MODE_MOV)
1828 mov_write_gama_tag(pb, track, mov->gamma);
1830 av_log(mov->fc, AV_LOG_WARNING, "Not writing 'gama' atom. Format is not MOV.\n");
1832 if (mov->flags & FF_MOV_FLAG_WRITE_COLR) {
1833 if (track->mode == MODE_MOV || track->mode == MODE_MP4)
1834 mov_write_colr_tag(pb, track);
1836 av_log(mov->fc, AV_LOG_WARNING, "Not writing 'colr' atom. Format is not MOV or MP4.\n");
1839 if (track->par->sample_aspect_ratio.den && track->par->sample_aspect_ratio.num &&
1840 track->par->sample_aspect_ratio.den != track->par->sample_aspect_ratio.num) {
1841 mov_write_pasp_tag(pb, track);
1844 if (mov->encryption_scheme != MOV_ENC_NONE) {
1845 ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid);
1848 /* extra padding for avid stsd */
1849 /* https://developer.apple.com/library/mac/documentation/QuickTime/QTFF/QTFFChap2/qtff2.html#//apple_ref/doc/uid/TP40000939-CH204-61112 */
1853 return update_size(pb, pos);
1856 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
1858 int64_t pos = avio_tell(pb);
1859 avio_wb32(pb, 0); /* size */
1860 ffio_wfourcc(pb, "rtp ");
1861 avio_wb32(pb, 0); /* Reserved */
1862 avio_wb16(pb, 0); /* Reserved */
1863 avio_wb16(pb, 1); /* Data-reference index */
1865 avio_wb16(pb, 1); /* Hint track version */
1866 avio_wb16(pb, 1); /* Highest compatible version */
1867 avio_wb32(pb, track->max_packet_size); /* Max packet size */
1869 avio_wb32(pb, 12); /* size */
1870 ffio_wfourcc(pb, "tims");
1871 avio_wb32(pb, track->timescale);
1873 return update_size(pb, pos);
1876 static int mov_write_source_reference_tag(AVIOContext *pb, MOVTrack *track, const char *reel_name)
1878 uint64_t str_size =strlen(reel_name);
1879 int64_t pos = avio_tell(pb);
1881 if (str_size >= UINT16_MAX){
1882 av_log(NULL, AV_LOG_ERROR, "reel_name length %"PRIu64" is too large\n", str_size);
1884 return AVERROR(EINVAL);
1887 avio_wb32(pb, 0); /* size */
1888 ffio_wfourcc(pb, "name"); /* Data format */
1889 avio_wb16(pb, str_size); /* string size */
1890 avio_wb16(pb, track->language); /* langcode */
1891 avio_write(pb, reel_name, str_size); /* reel name */
1892 return update_size(pb,pos);
1895 static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
1897 int64_t pos = avio_tell(pb);
1901 AVDictionaryEntry *t = NULL;
1903 if (!track->st->avg_frame_rate.num || !track->st->avg_frame_rate.den) {
1904 #if FF_API_LAVF_AVCTX
1905 FF_DISABLE_DEPRECATION_WARNINGS
1906 frame_duration = av_rescale(track->timescale, track->st->codec->time_base.num, track->st->codec->time_base.den);
1907 nb_frames = ROUNDED_DIV(track->st->codec->time_base.den, track->st->codec->time_base.num);
1908 FF_ENABLE_DEPRECATION_WARNINGS
1910 av_log(NULL, AV_LOG_ERROR, "avg_frame_rate not set for tmcd track.\n");
1911 return AVERROR(EINVAL);
1914 frame_duration = av_rescale(track->timescale, track->st->avg_frame_rate.num, track->st->avg_frame_rate.den);
1915 nb_frames = ROUNDED_DIV(track->st->avg_frame_rate.den, track->st->avg_frame_rate.num);
1918 if (nb_frames > 255) {
1919 av_log(NULL, AV_LOG_ERROR, "fps %d is too large\n", nb_frames);
1920 return AVERROR(EINVAL);
1923 avio_wb32(pb, 0); /* size */
1924 ffio_wfourcc(pb, "tmcd"); /* Data format */
1925 avio_wb32(pb, 0); /* Reserved */
1926 avio_wb32(pb, 1); /* Data reference index */
1927 avio_wb32(pb, 0); /* Flags */
1928 avio_wb32(pb, track->timecode_flags); /* Flags (timecode) */
1929 avio_wb32(pb, track->timescale); /* Timescale */
1930 avio_wb32(pb, frame_duration); /* Frame duration */
1931 avio_w8(pb, nb_frames); /* Number of frames */
1932 avio_w8(pb, 0); /* Reserved */
1934 t = av_dict_get(track->st->metadata, "reel_name", NULL, 0);
1935 if (t && utf8len(t->value) && track->mode != MODE_MP4)
1936 mov_write_source_reference_tag(pb, track, t->value);
1938 avio_wb16(pb, 0); /* zero size */
1941 avio_wb32(pb, 0); /* size */
1942 ffio_wfourcc(pb, "tmcd"); /* Data format */
1943 avio_wb32(pb, 0); /* Reserved */
1944 avio_wb32(pb, 1); /* Data reference index */
1945 if (track->par->extradata_size)
1946 avio_write(pb, track->par->extradata, track->par->extradata_size);
1948 return update_size(pb, pos);
1951 static int mov_write_stsd_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
1953 int64_t pos = avio_tell(pb);
1954 avio_wb32(pb, 0); /* size */
1955 ffio_wfourcc(pb, "stsd");
1956 avio_wb32(pb, 0); /* version & flags */
1957 avio_wb32(pb, 1); /* entry count */
1958 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO)
1959 mov_write_video_tag(pb, mov, track);
1960 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
1961 mov_write_audio_tag(s, pb, mov, track);
1962 else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)
1963 mov_write_subtitle_tag(pb, track);
1964 else if (track->par->codec_tag == MKTAG('r','t','p',' '))
1965 mov_write_rtp_tag(pb, track);
1966 else if (track->par->codec_tag == MKTAG('t','m','c','d'))
1967 mov_write_tmcd_tag(pb, track);
1968 return update_size(pb, pos);
1971 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
1973 MOVStts *ctts_entries;
1974 uint32_t entries = 0;
1978 ctts_entries = av_malloc_array((track->entry + 1), sizeof(*ctts_entries)); /* worst case */
1980 return AVERROR(ENOMEM);
1981 ctts_entries[0].count = 1;
1982 ctts_entries[0].duration = track->cluster[0].cts;
1983 for (i = 1; i < track->entry; i++) {
1984 if (track->cluster[i].cts == ctts_entries[entries].duration) {
1985 ctts_entries[entries].count++; /* compress */
1988 ctts_entries[entries].duration = track->cluster[i].cts;
1989 ctts_entries[entries].count = 1;
1992 entries++; /* last one */
1993 atom_size = 16 + (entries * 8);
1994 avio_wb32(pb, atom_size); /* size */
1995 ffio_wfourcc(pb, "ctts");
1996 avio_wb32(pb, 0); /* version & flags */
1997 avio_wb32(pb, entries); /* entry count */
1998 for (i = 0; i < entries; i++) {
1999 avio_wb32(pb, ctts_entries[i].count);
2000 avio_wb32(pb, ctts_entries[i].duration);
2002 av_free(ctts_entries);
2006 /* Time to sample atom */
2007 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
2009 MOVStts *stts_entries = NULL;
2010 uint32_t entries = -1;
2014 if (track->par->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
2015 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
2017 return AVERROR(ENOMEM);
2018 stts_entries[0].count = track->sample_count;
2019 stts_entries[0].duration = 1;
2023 stts_entries = av_malloc_array(track->entry, sizeof(*stts_entries)); /* worst case */
2025 return AVERROR(ENOMEM);
2027 for (i = 0; i < track->entry; i++) {
2028 int duration = get_cluster_duration(track, i);
2029 if (i && duration == stts_entries[entries].duration) {
2030 stts_entries[entries].count++; /* compress */
2033 stts_entries[entries].duration = duration;
2034 stts_entries[entries].count = 1;
2037 entries++; /* last one */
2039 atom_size = 16 + (entries * 8);
2040 avio_wb32(pb, atom_size); /* size */
2041 ffio_wfourcc(pb, "stts");
2042 avio_wb32(pb, 0); /* version & flags */
2043 avio_wb32(pb, entries); /* entry count */
2044 for (i = 0; i < entries; i++) {
2045 avio_wb32(pb, stts_entries[i].count);
2046 avio_wb32(pb, stts_entries[i].duration);
2048 av_free(stts_entries);
2052 static int mov_write_dref_tag(AVIOContext *pb)
2054 avio_wb32(pb, 28); /* size */
2055 ffio_wfourcc(pb, "dref");
2056 avio_wb32(pb, 0); /* version & flags */
2057 avio_wb32(pb, 1); /* entry count */
2059 avio_wb32(pb, 0xc); /* size */
2060 //FIXME add the alis and rsrc atom
2061 ffio_wfourcc(pb, "url ");
2062 avio_wb32(pb, 1); /* version & flags */
2067 static int mov_write_stbl_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2069 int64_t pos = avio_tell(pb);
2072 avio_wb32(pb, 0); /* size */
2073 ffio_wfourcc(pb, "stbl");
2074 mov_write_stsd_tag(s, pb, mov, track);
2075 mov_write_stts_tag(pb, track);
2076 if ((track->par->codec_type == AVMEDIA_TYPE_VIDEO ||
2077 track->par->codec_tag == MKTAG('r','t','p',' ')) &&
2078 track->has_keyframes && track->has_keyframes < track->entry)
2079 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
2080 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
2081 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
2082 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO &&
2083 track->flags & MOV_TRACK_CTTS && track->entry) {
2085 if ((ret = mov_write_ctts_tag(pb, track)) < 0)
2088 mov_write_stsc_tag(pb, track);
2089 mov_write_stsz_tag(pb, track);
2090 mov_write_stco_tag(pb, track);
2091 if (mov->encryption_scheme == MOV_ENC_CENC_AES_CTR) {
2092 ff_mov_cenc_write_stbl_atoms(&track->cenc, pb);
2094 return update_size(pb, pos);
2097 static int mov_write_dinf_tag(AVIOContext *pb)
2099 int64_t pos = avio_tell(pb);
2100 avio_wb32(pb, 0); /* size */
2101 ffio_wfourcc(pb, "dinf");
2102 mov_write_dref_tag(pb);
2103 return update_size(pb, pos);
2106 static int mov_write_nmhd_tag(AVIOContext *pb)
2109 ffio_wfourcc(pb, "nmhd");
2114 static int mov_write_tcmi_tag(AVIOContext *pb, MOVTrack *track)
2116 int64_t pos = avio_tell(pb);
2117 const char *font = "Lucida Grande";
2118 avio_wb32(pb, 0); /* size */
2119 ffio_wfourcc(pb, "tcmi"); /* timecode media information atom */
2120 avio_wb32(pb, 0); /* version & flags */
2121 avio_wb16(pb, 0); /* text font */
2122 avio_wb16(pb, 0); /* text face */
2123 avio_wb16(pb, 12); /* text size */
2124 avio_wb16(pb, 0); /* (unknown, not in the QT specs...) */
2125 avio_wb16(pb, 0x0000); /* text color (red) */
2126 avio_wb16(pb, 0x0000); /* text color (green) */
2127 avio_wb16(pb, 0x0000); /* text color (blue) */
2128 avio_wb16(pb, 0xffff); /* background color (red) */
2129 avio_wb16(pb, 0xffff); /* background color (green) */
2130 avio_wb16(pb, 0xffff); /* background color (blue) */
2131 avio_w8(pb, strlen(font)); /* font len (part of the pascal string) */
2132 avio_write(pb, font, strlen(font)); /* font name */
2133 return update_size(pb, pos);
2136 static int mov_write_gmhd_tag(AVIOContext *pb, MOVTrack *track)
2138 int64_t pos = avio_tell(pb);
2139 avio_wb32(pb, 0); /* size */
2140 ffio_wfourcc(pb, "gmhd");
2141 avio_wb32(pb, 0x18); /* gmin size */
2142 ffio_wfourcc(pb, "gmin");/* generic media info */
2143 avio_wb32(pb, 0); /* version & flags */
2144 avio_wb16(pb, 0x40); /* graphics mode = */
2145 avio_wb16(pb, 0x8000); /* opColor (r?) */
2146 avio_wb16(pb, 0x8000); /* opColor (g?) */
2147 avio_wb16(pb, 0x8000); /* opColor (b?) */
2148 avio_wb16(pb, 0); /* balance */
2149 avio_wb16(pb, 0); /* reserved */
2152 * This special text atom is required for
2153 * Apple Quicktime chapters. The contents
2154 * don't appear to be documented, so the
2155 * bytes are copied verbatim.
2157 if (track->tag != MKTAG('c','6','0','8')) {
2158 avio_wb32(pb, 0x2C); /* size */
2159 ffio_wfourcc(pb, "text");
2160 avio_wb16(pb, 0x01);
2161 avio_wb32(pb, 0x00);
2162 avio_wb32(pb, 0x00);
2163 avio_wb32(pb, 0x00);
2164 avio_wb32(pb, 0x01);
2165 avio_wb32(pb, 0x00);
2166 avio_wb32(pb, 0x00);
2167 avio_wb32(pb, 0x00);
2168 avio_wb32(pb, 0x00004000);
2169 avio_wb16(pb, 0x0000);
2172 if (track->par->codec_tag == MKTAG('t','m','c','d')) {
2173 int64_t tmcd_pos = avio_tell(pb);
2174 avio_wb32(pb, 0); /* size */
2175 ffio_wfourcc(pb, "tmcd");
2176 mov_write_tcmi_tag(pb, track);
2177 update_size(pb, tmcd_pos);
2179 return update_size(pb, pos);
2182 static int mov_write_smhd_tag(AVIOContext *pb)
2184 avio_wb32(pb, 16); /* size */
2185 ffio_wfourcc(pb, "smhd");
2186 avio_wb32(pb, 0); /* version & flags */
2187 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
2188 avio_wb16(pb, 0); /* reserved */
2192 static int mov_write_vmhd_tag(AVIOContext *pb)
2194 avio_wb32(pb, 0x14); /* size (always 0x14) */
2195 ffio_wfourcc(pb, "vmhd");
2196 avio_wb32(pb, 0x01); /* version & flags */
2197 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
2201 static int is_clcp_track(MOVTrack *track)
2203 return track->tag == MKTAG('c','7','0','8') ||
2204 track->tag == MKTAG('c','6','0','8');
2207 static int mov_write_hdlr_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
2209 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
2210 int64_t pos = avio_tell(pb);
2214 descr = "DataHandler";
2217 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
2218 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
2220 descr = "VideoHandler";
2221 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
2223 descr = "SoundHandler";
2224 } else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2225 if (is_clcp_track(track)) {
2227 descr = "ClosedCaptionHandler";
2229 if (track->tag == MKTAG('t','x','3','g')) {
2231 } else if (track->tag == MKTAG('m','p','4','s')) {
2236 descr = "SubtitleHandler";
2238 } else if (track->par->codec_tag == MKTAG('r','t','p',' ')) {
2240 descr = "HintHandler";
2241 } else if (track->par->codec_tag == MKTAG('t','m','c','d')) {
2243 descr = "TimeCodeHandler";
2246 av_get_codec_tag_string(tag_buf, sizeof(tag_buf),
2247 track->par->codec_tag);
2249 av_log(s, AV_LOG_WARNING,
2250 "Unknown hldr_type for %s / 0x%04X, writing dummy values\n",
2251 tag_buf, track->par->codec_tag);
2254 // hdlr.name is used by some players to identify the content title
2255 // of the track. So if an alternate handler description is
2256 // specified, use it.
2257 AVDictionaryEntry *t;
2258 t = av_dict_get(track->st->metadata, "handler", NULL, 0);
2259 if (t && utf8len(t->value))
2264 avio_wb32(pb, 0); /* size */
2265 ffio_wfourcc(pb, "hdlr");
2266 avio_wb32(pb, 0); /* Version & flags */
2267 avio_write(pb, hdlr, 4); /* handler */
2268 ffio_wfourcc(pb, hdlr_type); /* handler type */
2269 avio_wb32(pb, 0); /* reserved */
2270 avio_wb32(pb, 0); /* reserved */
2271 avio_wb32(pb, 0); /* reserved */
2272 if (!track || track->mode == MODE_MOV)
2273 avio_w8(pb, strlen(descr)); /* pascal string */
2274 avio_write(pb, descr, strlen(descr)); /* handler description */
2275 if (track && track->mode != MODE_MOV)
2276 avio_w8(pb, 0); /* c string */
2277 return update_size(pb, pos);
2280 static int mov_write_hmhd_tag(AVIOContext *pb)
2282 /* This atom must be present, but leaving the values at zero
2283 * seems harmless. */
2284 avio_wb32(pb, 28); /* size */
2285 ffio_wfourcc(pb, "hmhd");
2286 avio_wb32(pb, 0); /* version, flags */
2287 avio_wb16(pb, 0); /* maxPDUsize */
2288 avio_wb16(pb, 0); /* avgPDUsize */
2289 avio_wb32(pb, 0); /* maxbitrate */
2290 avio_wb32(pb, 0); /* avgbitrate */
2291 avio_wb32(pb, 0); /* reserved */
2295 static int mov_write_minf_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2297 int64_t pos = avio_tell(pb);
2300 avio_wb32(pb, 0); /* size */
2301 ffio_wfourcc(pb, "minf");
2302 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO)
2303 mov_write_vmhd_tag(pb);
2304 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2305 mov_write_smhd_tag(pb);
2306 else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2307 if (track->tag == MKTAG('t','e','x','t') || is_clcp_track(track)) {
2308 mov_write_gmhd_tag(pb, track);
2310 mov_write_nmhd_tag(pb);
2312 } else if (track->tag == MKTAG('r','t','p',' ')) {
2313 mov_write_hmhd_tag(pb);
2314 } else if (track->tag == MKTAG('t','m','c','d')) {
2315 if (track->mode == MODE_MP4)
2316 mov_write_nmhd_tag(pb);
2318 mov_write_gmhd_tag(pb, track);
2320 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
2321 mov_write_hdlr_tag(s, pb, NULL);
2322 mov_write_dinf_tag(pb);
2323 if ((ret = mov_write_stbl_tag(s, pb, mov, track)) < 0)
2325 return update_size(pb, pos);
2328 static int mov_write_mdhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2331 int version = track->track_duration < INT32_MAX ? 0 : 1;
2333 if (track->mode == MODE_ISM)
2336 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
2337 ffio_wfourcc(pb, "mdhd");
2338 avio_w8(pb, version);
2339 avio_wb24(pb, 0); /* flags */
2341 avio_wb64(pb, track->time);
2342 avio_wb64(pb, track->time);
2344 avio_wb32(pb, track->time); /* creation time */
2345 avio_wb32(pb, track->time); /* modification time */
2347 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
2348 if (!track->entry && mov->mode == MODE_ISM)
2349 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2350 else if (!track->entry)
2351 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2353 (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
2354 avio_wb16(pb, track->language); /* language */
2355 avio_wb16(pb, 0); /* reserved (quality) */
2357 if (version != 0 && track->mode == MODE_MOV) {
2358 av_log(NULL, AV_LOG_ERROR,
2359 "FATAL error, file duration too long for timebase, this file will not be\n"
2360 "playable with quicktime. Choose a different timebase or a different\n"
2361 "container format\n");
2367 static int mov_write_mdia_tag(AVFormatContext *s, AVIOContext *pb,
2368 MOVMuxContext *mov, MOVTrack *track)
2370 int64_t pos = avio_tell(pb);
2373 avio_wb32(pb, 0); /* size */
2374 ffio_wfourcc(pb, "mdia");
2375 mov_write_mdhd_tag(pb, mov, track);
2376 mov_write_hdlr_tag(s, pb, track);
2377 if ((ret = mov_write_minf_tag(s, pb, mov, track)) < 0)
2379 return update_size(pb, pos);
2382 /* transformation matrix
2386 static void write_matrix(AVIOContext *pb, int16_t a, int16_t b, int16_t c,
2387 int16_t d, int16_t tx, int16_t ty)
2389 avio_wb32(pb, a << 16); /* 16.16 format */
2390 avio_wb32(pb, b << 16); /* 16.16 format */
2391 avio_wb32(pb, 0); /* u in 2.30 format */
2392 avio_wb32(pb, c << 16); /* 16.16 format */
2393 avio_wb32(pb, d << 16); /* 16.16 format */
2394 avio_wb32(pb, 0); /* v in 2.30 format */
2395 avio_wb32(pb, tx << 16); /* 16.16 format */
2396 avio_wb32(pb, ty << 16); /* 16.16 format */
2397 avio_wb32(pb, 1 << 30); /* w in 2.30 format */
2400 static int mov_write_tkhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2401 MOVTrack *track, AVStream *st)
2403 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
2404 track->timescale, AV_ROUND_UP);
2405 int version = duration < INT32_MAX ? 0 : 1;
2406 int flags = MOV_TKHD_FLAG_IN_MOVIE;
2410 uint32_t *display_matrix = NULL;
2411 int display_matrix_size, i;
2414 if (mov->per_stream_grouping)
2417 group = st->codecpar->codec_type;
2419 display_matrix = (uint32_t*)av_stream_get_side_data(st, AV_PKT_DATA_DISPLAYMATRIX,
2420 &display_matrix_size);
2421 if (display_matrix && display_matrix_size < 9 * sizeof(*display_matrix))
2422 display_matrix = NULL;
2425 if (track->flags & MOV_TRACK_ENABLED)
2426 flags |= MOV_TKHD_FLAG_ENABLED;
2428 if (track->mode == MODE_ISM)
2431 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
2432 ffio_wfourcc(pb, "tkhd");
2433 avio_w8(pb, version);
2434 avio_wb24(pb, flags);
2436 avio_wb64(pb, track->time);
2437 avio_wb64(pb, track->time);
2439 avio_wb32(pb, track->time); /* creation time */
2440 avio_wb32(pb, track->time); /* modification time */
2442 avio_wb32(pb, track->track_id); /* track-id */
2443 avio_wb32(pb, 0); /* reserved */
2444 if (!track->entry && mov->mode == MODE_ISM)
2445 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2446 else if (!track->entry)
2447 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2449 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
2451 avio_wb32(pb, 0); /* reserved */
2452 avio_wb32(pb, 0); /* reserved */
2453 avio_wb16(pb, 0); /* layer */
2454 avio_wb16(pb, group); /* alternate group) */
2455 /* Volume, only for audio */
2456 if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2457 avio_wb16(pb, 0x0100);
2460 avio_wb16(pb, 0); /* reserved */
2462 /* Matrix structure */
2463 if (st && st->metadata) {
2464 AVDictionaryEntry *rot = av_dict_get(st->metadata, "rotate", NULL, 0);
2465 rotation = (rot && rot->value) ? atoi(rot->value) : 0;
2467 if (display_matrix) {
2468 for (i = 0; i < 9; i++)
2469 avio_wb32(pb, display_matrix[i]);
2470 } else if (rotation == 90) {
2471 write_matrix(pb, 0, 1, -1, 0, track->par->height, 0);
2472 } else if (rotation == 180) {
2473 write_matrix(pb, -1, 0, 0, -1, track->par->width, track->par->height);
2474 } else if (rotation == 270) {
2475 write_matrix(pb, 0, -1, 1, 0, 0, track->par->width);
2477 write_matrix(pb, 1, 0, 0, 1, 0, 0);
2479 /* Track width and height, for visual only */
2480 if (st && (track->par->codec_type == AVMEDIA_TYPE_VIDEO ||
2481 track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
2482 int64_t track_width_1616;
2483 if (track->mode == MODE_MOV) {
2484 track_width_1616 = track->par->width * 0x10000ULL;
2486 track_width_1616 = av_rescale(st->sample_aspect_ratio.num,
2487 track->par->width * 0x10000LL,
2488 st->sample_aspect_ratio.den);
2489 if (!track_width_1616 ||
2490 track->height != track->par->height ||
2491 track_width_1616 > UINT32_MAX)
2492 track_width_1616 = track->par->width * 0x10000ULL;
2494 if (track_width_1616 > UINT32_MAX) {
2495 av_log(mov->fc, AV_LOG_WARNING, "track width is too large\n");
2496 track_width_1616 = 0;
2498 avio_wb32(pb, track_width_1616);
2499 if (track->height > 0xFFFF) {
2500 av_log(mov->fc, AV_LOG_WARNING, "track height is too large\n");
2503 avio_wb32(pb, track->height * 0x10000U);
2511 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
2513 int32_t width = av_rescale(track->par->sample_aspect_ratio.num, track->par->width,
2514 track->par->sample_aspect_ratio.den);
2516 int64_t pos = avio_tell(pb);
2518 avio_wb32(pb, 0); /* size */
2519 ffio_wfourcc(pb, "tapt");
2522 ffio_wfourcc(pb, "clef");
2524 avio_wb32(pb, width << 16);
2525 avio_wb32(pb, track->par->height << 16);
2528 ffio_wfourcc(pb, "prof");
2530 avio_wb32(pb, width << 16);
2531 avio_wb32(pb, track->par->height << 16);
2534 ffio_wfourcc(pb, "enof");
2536 avio_wb32(pb, track->par->width << 16);
2537 avio_wb32(pb, track->par->height << 16);
2539 return update_size(pb, pos);
2542 // This box seems important for the psp playback ... without it the movie seems to hang
2543 static int mov_write_edts_tag(AVIOContext *pb, MOVMuxContext *mov,
2546 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
2547 track->timescale, AV_ROUND_UP);
2548 int version = duration < INT32_MAX ? 0 : 1;
2549 int entry_size, entry_count, size;
2550 int64_t delay, start_ct = track->start_cts;
2551 int64_t start_dts = track->start_dts;
2554 if (start_dts != track->cluster[0].dts || start_ct != track->cluster[0].cts) {
2556 av_log(mov->fc, AV_LOG_DEBUG,
2557 "EDTS using dts:%"PRId64" cts:%d instead of dts:%"PRId64" cts:%"PRId64" tid:%d\n",
2558 track->cluster[0].dts, track->cluster[0].cts,
2559 start_dts, start_ct, track->track_id);
2560 start_dts = track->cluster[0].dts;
2561 start_ct = track->cluster[0].cts;
2565 delay = av_rescale_rnd(start_dts + start_ct, MOV_TIMESCALE,
2566 track->timescale, AV_ROUND_DOWN);
2567 version |= delay < INT32_MAX ? 0 : 1;
2569 entry_size = (version == 1) ? 20 : 12;
2570 entry_count = 1 + (delay > 0);
2571 size = 24 + entry_count * entry_size;
2573 /* write the atom data */
2574 avio_wb32(pb, size);
2575 ffio_wfourcc(pb, "edts");
2576 avio_wb32(pb, size - 8);
2577 ffio_wfourcc(pb, "elst");
2578 avio_w8(pb, version);
2579 avio_wb24(pb, 0); /* flags */
2581 avio_wb32(pb, entry_count);
2582 if (delay > 0) { /* add an empty edit to delay presentation */
2583 /* In the positive delay case, the delay includes the cts
2584 * offset, and the second edit list entry below trims out
2585 * the same amount from the actual content. This makes sure
2586 * that the offset last sample is included in the edit
2587 * list duration as well. */
2589 avio_wb64(pb, delay);
2592 avio_wb32(pb, delay);
2595 avio_wb32(pb, 0x00010000);
2597 /* Avoid accidentally ending up with start_ct = -1 which has got a
2598 * special meaning. Normally start_ct should end up positive or zero
2599 * here, but use FFMIN in case dts is a small positive integer
2600 * rounded to 0 when represented in MOV_TIMESCALE units. */
2601 av_assert0(av_rescale_rnd(start_dts, MOV_TIMESCALE, track->timescale, AV_ROUND_DOWN) <= 0);
2602 start_ct = -FFMIN(start_dts, 0);
2603 /* Note, this delay is calculated from the pts of the first sample,
2604 * ensuring that we don't reduce the duration for cases with
2609 /* For fragmented files, we don't know the full length yet. Setting
2610 * duration to 0 allows us to only specify the offset, including
2611 * the rest of the content (from all future fragments) without specifying
2612 * an explicit duration. */
2613 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
2618 avio_wb64(pb, duration);
2619 avio_wb64(pb, start_ct);
2621 avio_wb32(pb, duration);
2622 avio_wb32(pb, start_ct);
2624 avio_wb32(pb, 0x00010000);
2628 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
2630 avio_wb32(pb, 20); // size
2631 ffio_wfourcc(pb, "tref");
2632 avio_wb32(pb, 12); // size (subatom)
2633 avio_wl32(pb, track->tref_tag);
2634 avio_wb32(pb, track->tref_id);
2638 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
2639 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
2641 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
2642 ffio_wfourcc(pb, "uuid");
2643 ffio_wfourcc(pb, "USMT");
2644 avio_wb32(pb, 0x21d24fce);
2645 avio_wb32(pb, 0xbb88695c);
2646 avio_wb32(pb, 0xfac9c740);
2647 avio_wb32(pb, 0x1c); // another size here!
2648 ffio_wfourcc(pb, "MTDT");
2649 avio_wb32(pb, 0x00010012);
2650 avio_wb32(pb, 0x0a);
2651 avio_wb32(pb, 0x55c40000);
2657 static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
2659 AVFormatContext *ctx = track->rtp_ctx;
2660 char buf[1000] = "";
2663 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
2664 NULL, NULL, 0, 0, ctx);
2665 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
2668 avio_wb32(pb, len + 24);
2669 ffio_wfourcc(pb, "udta");
2670 avio_wb32(pb, len + 16);
2671 ffio_wfourcc(pb, "hnti");
2672 avio_wb32(pb, len + 8);
2673 ffio_wfourcc(pb, "sdp ");
2674 avio_write(pb, buf, len);
2678 static int mov_write_track_metadata(AVIOContext *pb, AVStream *st,
2679 const char *tag, const char *str)
2681 int64_t pos = avio_tell(pb);
2682 AVDictionaryEntry *t = av_dict_get(st->metadata, str, NULL, 0);
2683 if (!t || !utf8len(t->value))
2686 avio_wb32(pb, 0); /* size */
2687 ffio_wfourcc(pb, tag); /* type */
2688 avio_write(pb, t->value, strlen(t->value)); /* UTF8 string value */
2689 return update_size(pb, pos);
2692 static int mov_write_track_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
2695 AVIOContext *pb_buf;
2702 ret = avio_open_dyn_buf(&pb_buf);
2706 if (mov->mode & MODE_MP4)
2707 mov_write_track_metadata(pb_buf, st, "name", "title");
2709 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
2710 avio_wb32(pb, size + 8);
2711 ffio_wfourcc(pb, "udta");
2712 avio_write(pb, buf, size);
2719 static int mov_write_trak_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov,
2720 MOVTrack *track, AVStream *st)
2722 int64_t pos = avio_tell(pb);
2723 int entry_backup = track->entry;
2724 int chunk_backup = track->chunkCount;
2727 /* If we want to have an empty moov, but some samples already have been
2728 * buffered (delay_moov), pretend that no samples have been written yet. */
2729 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV)
2730 track->chunkCount = track->entry = 0;
2732 avio_wb32(pb, 0); /* size */
2733 ffio_wfourcc(pb, "trak");
2734 mov_write_tkhd_tag(pb, mov, track, st);
2736 av_assert2(mov->use_editlist >= 0);
2738 if (track->start_dts != AV_NOPTS_VALUE) {
2739 if (mov->use_editlist)
2740 mov_write_edts_tag(pb, mov, track); // PSP Movies and several other cases require edts box
2741 else if ((track->entry && track->cluster[0].dts) || track->mode == MODE_PSP || is_clcp_track(track))
2742 av_log(mov->fc, AV_LOG_WARNING,
2743 "Not writing any edit list even though one would have been required\n");
2746 if (track->tref_tag)
2747 mov_write_tref_tag(pb, track);
2749 if ((ret = mov_write_mdia_tag(s, pb, mov, track)) < 0)
2751 if (track->mode == MODE_PSP)
2752 mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box
2753 if (track->tag == MKTAG('r','t','p',' '))
2754 mov_write_udta_sdp(pb, track);
2755 if (track->mode == MODE_MOV) {
2756 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
2757 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
2758 if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio) {
2759 mov_write_tapt_tag(pb, track);
2762 if (is_clcp_track(track) && st->sample_aspect_ratio.num) {
2763 mov_write_tapt_tag(pb, track);
2766 mov_write_track_udta_tag(pb, mov, st);
2767 track->entry = entry_backup;
2768 track->chunkCount = chunk_backup;
2769 return update_size(pb, pos);
2772 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
2774 int i, has_audio = 0, has_video = 0;
2775 int64_t pos = avio_tell(pb);
2776 int audio_profile = mov->iods_audio_profile;
2777 int video_profile = mov->iods_video_profile;
2778 for (i = 0; i < mov->nb_streams; i++) {
2779 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
2780 has_audio |= mov->tracks[i].par->codec_type == AVMEDIA_TYPE_AUDIO;
2781 has_video |= mov->tracks[i].par->codec_type == AVMEDIA_TYPE_VIDEO;
2784 if (audio_profile < 0)
2785 audio_profile = 0xFF - has_audio;
2786 if (video_profile < 0)
2787 video_profile = 0xFF - has_video;
2788 avio_wb32(pb, 0x0); /* size */
2789 ffio_wfourcc(pb, "iods");
2790 avio_wb32(pb, 0); /* version & flags */
2791 put_descr(pb, 0x10, 7);
2792 avio_wb16(pb, 0x004f);
2795 avio_w8(pb, audio_profile);
2796 avio_w8(pb, video_profile);
2798 return update_size(pb, pos);
2801 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
2803 avio_wb32(pb, 0x20); /* size */
2804 ffio_wfourcc(pb, "trex");
2805 avio_wb32(pb, 0); /* version & flags */
2806 avio_wb32(pb, track->track_id); /* track ID */
2807 avio_wb32(pb, 1); /* default sample description index */
2808 avio_wb32(pb, 0); /* default sample duration */
2809 avio_wb32(pb, 0); /* default sample size */
2810 avio_wb32(pb, 0); /* default sample flags */
2814 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
2816 int64_t pos = avio_tell(pb);
2818 avio_wb32(pb, 0x0); /* size */
2819 ffio_wfourcc(pb, "mvex");
2820 for (i = 0; i < mov->nb_streams; i++)
2821 mov_write_trex_tag(pb, &mov->tracks[i]);
2822 return update_size(pb, pos);
2825 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
2827 int max_track_id = 1, i;
2828 int64_t max_track_len = 0;
2831 for (i = 0; i < mov->nb_streams; i++) {
2832 if (mov->tracks[i].entry > 0 && mov->tracks[i].timescale) {
2833 int64_t max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
2835 mov->tracks[i].timescale,
2837 if (max_track_len < max_track_len_temp)
2838 max_track_len = max_track_len_temp;
2839 if (max_track_id < mov->tracks[i].track_id)
2840 max_track_id = mov->tracks[i].track_id;
2843 /* If using delay_moov, make sure the output is the same as if no
2844 * samples had been written yet. */
2845 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
2850 version = max_track_len < UINT32_MAX ? 0 : 1;
2851 avio_wb32(pb, version == 1 ? 120 : 108); /* size */
2853 ffio_wfourcc(pb, "mvhd");
2854 avio_w8(pb, version);
2855 avio_wb24(pb, 0); /* flags */
2857 avio_wb64(pb, mov->time);
2858 avio_wb64(pb, mov->time);
2860 avio_wb32(pb, mov->time); /* creation time */
2861 avio_wb32(pb, mov->time); /* modification time */
2863 avio_wb32(pb, MOV_TIMESCALE);
2864 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
2866 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
2867 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
2868 avio_wb16(pb, 0); /* reserved */
2869 avio_wb32(pb, 0); /* reserved */
2870 avio_wb32(pb, 0); /* reserved */
2872 /* Matrix structure */
2873 write_matrix(pb, 1, 0, 0, 1, 0, 0);
2875 avio_wb32(pb, 0); /* reserved (preview time) */
2876 avio_wb32(pb, 0); /* reserved (preview duration) */
2877 avio_wb32(pb, 0); /* reserved (poster time) */
2878 avio_wb32(pb, 0); /* reserved (selection time) */
2879 avio_wb32(pb, 0); /* reserved (selection duration) */
2880 avio_wb32(pb, 0); /* reserved (current time) */
2881 avio_wb32(pb, max_track_id + 1); /* Next track id */
2885 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
2888 avio_wb32(pb, 33); /* size */
2889 ffio_wfourcc(pb, "hdlr");
2892 ffio_wfourcc(pb, "mdir");
2893 ffio_wfourcc(pb, "appl");
2900 /* helper function to write a data tag with the specified string as data */
2901 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
2904 int size = 16 + strlen(data);
2905 avio_wb32(pb, size); /* size */
2906 ffio_wfourcc(pb, "data");
2909 avio_write(pb, data, strlen(data));
2913 lang = ff_mov_iso639_to_lang("und", 1);
2914 avio_wb16(pb, strlen(data)); /* string length */
2915 avio_wb16(pb, lang);
2916 avio_write(pb, data, strlen(data));
2917 return strlen(data) + 4;
2921 static int mov_write_string_tag(AVIOContext *pb, const char *name,
2922 const char *value, int lang, int long_style)
2925 if (value && value[0]) {
2926 int64_t pos = avio_tell(pb);
2927 avio_wb32(pb, 0); /* size */
2928 ffio_wfourcc(pb, name);
2929 mov_write_string_data_tag(pb, value, lang, long_style);
2930 size = update_size(pb, pos);
2935 static AVDictionaryEntry *get_metadata_lang(AVFormatContext *s,
2936 const char *tag, int *lang)
2939 AVDictionaryEntry *t, *t2 = NULL;
2944 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
2947 len = strlen(t->key);
2948 snprintf(tag2, sizeof(tag2), "%s-", tag);
2949 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
2950 len2 = strlen(t2->key);
2951 if (len2 == len + 4 && !strcmp(t->value, t2->value)
2952 && (l = ff_mov_iso639_to_lang(&t2->key[len2 - 3], 1)) >= 0) {
2960 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
2961 const char *name, const char *tag,
2965 AVDictionaryEntry *t = get_metadata_lang(s, tag, &lang);
2968 return mov_write_string_tag(pb, name, t->value, lang, long_style);
2971 /* iTunes bpm number */
2972 static int mov_write_tmpo_tag(AVIOContext *pb, AVFormatContext *s)
2974 AVDictionaryEntry *t = av_dict_get(s->metadata, "tmpo", NULL, 0);
2975 int size = 0, tmpo = t ? atoi(t->value) : 0;
2978 avio_wb32(pb, size);
2979 ffio_wfourcc(pb, "tmpo");
2980 avio_wb32(pb, size-8); /* size */
2981 ffio_wfourcc(pb, "data");
2982 avio_wb32(pb, 0x15); //type specifier
2984 avio_wb16(pb, tmpo); // data
2989 /* 3GPP TS 26.244 */
2990 static int mov_write_loci_tag(AVFormatContext *s, AVIOContext *pb)
2993 int64_t pos = avio_tell(pb);
2994 double latitude, longitude, altitude;
2995 int32_t latitude_fix, longitude_fix, altitude_fix;
2996 AVDictionaryEntry *t = get_metadata_lang(s, "location", &lang);
2997 const char *ptr, *place = "";
2999 static const char *astronomical_body = "earth";
3004 longitude = strtod(ptr, &end);
3006 av_log(s, AV_LOG_WARNING, "malformed location metadata\n");
3010 latitude = strtod(ptr, &end);
3012 av_log(s, AV_LOG_WARNING, "malformed location metadata\n");
3016 altitude = strtod(ptr, &end);
3017 /* If no altitude was present, the default 0 should be fine */
3021 latitude_fix = (int32_t) ((1 << 16) * latitude);
3022 longitude_fix = (int32_t) ((1 << 16) * longitude);
3023 altitude_fix = (int32_t) ((1 << 16) * altitude);
3025 avio_wb32(pb, 0); /* size */
3026 ffio_wfourcc(pb, "loci"); /* type */
3027 avio_wb32(pb, 0); /* version + flags */
3028 avio_wb16(pb, lang);
3029 avio_write(pb, place, strlen(place) + 1);
3030 avio_w8(pb, 0); /* role of place (0 == shooting location, 1 == real location, 2 == fictional location) */
3031 avio_wb32(pb, latitude_fix);
3032 avio_wb32(pb, longitude_fix);
3033 avio_wb32(pb, altitude_fix);
3034 avio_write(pb, astronomical_body, strlen(astronomical_body) + 1);
3035 avio_w8(pb, 0); /* additional notes, null terminated string */
3037 return update_size(pb, pos);
3040 /* iTunes track or disc number */
3041 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
3042 AVFormatContext *s, int disc)
3044 AVDictionaryEntry *t = av_dict_get(s->metadata,
3045 disc ? "disc" : "track",
3047 int size = 0, track = t ? atoi(t->value) : 0;
3050 char *slash = strchr(t->value, '/');
3052 tracks = atoi(slash + 1);
3053 avio_wb32(pb, 32); /* size */
3054 ffio_wfourcc(pb, disc ? "disk" : "trkn");
3055 avio_wb32(pb, 24); /* size */
3056 ffio_wfourcc(pb, "data");
3057 avio_wb32(pb, 0); // 8 bytes empty
3059 avio_wb16(pb, 0); // empty
3060 avio_wb16(pb, track); // track / disc number
3061 avio_wb16(pb, tracks); // total track / disc number
3062 avio_wb16(pb, 0); // empty
3068 static int mov_write_int8_metadata(AVFormatContext *s, AVIOContext *pb,
3069 const char *name, const char *tag,
3072 AVDictionaryEntry *t = NULL;
3074 int size = 24 + len;
3076 if (len != 1 && len != 4)
3079 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
3081 num = atoi(t->value);
3083 avio_wb32(pb, size);
3084 ffio_wfourcc(pb, name);
3085 avio_wb32(pb, size - 8);
3086 ffio_wfourcc(pb, "data");
3087 avio_wb32(pb, 0x15);
3089 if (len==4) avio_wb32(pb, num);
3090 else avio_w8 (pb, num);
3095 /* iTunes meta data list */
3096 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
3099 int64_t pos = avio_tell(pb);
3100 avio_wb32(pb, 0); /* size */
3101 ffio_wfourcc(pb, "ilst");
3102 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
3103 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
3104 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
3105 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
3106 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
3107 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
3108 if (!mov_write_string_metadata(s, pb, "\251too", "encoding_tool", 1)) {
3109 if (!(s->flags & AVFMT_FLAG_BITEXACT))
3110 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
3112 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
3113 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
3114 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
3115 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
3116 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
3117 mov_write_string_metadata(s, pb, "desc", "description",1);
3118 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
3119 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
3120 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
3121 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
3122 mov_write_int8_metadata (s, pb, "tves", "episode_sort",4);
3123 mov_write_int8_metadata (s, pb, "tvsn", "season_number",4);
3124 mov_write_int8_metadata (s, pb, "stik", "media_type",1);
3125 mov_write_int8_metadata (s, pb, "hdvd", "hd_video", 1);
3126 mov_write_int8_metadata (s, pb, "pgap", "gapless_playback",1);
3127 mov_write_int8_metadata (s, pb, "cpil", "compilation", 1);
3128 mov_write_trkn_tag(pb, mov, s, 0); // track number
3129 mov_write_trkn_tag(pb, mov, s, 1); // disc number
3130 mov_write_tmpo_tag(pb, s);
3131 return update_size(pb, pos);
3134 static int mov_write_mdta_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
3137 avio_wb32(pb, 33); /* size */
3138 ffio_wfourcc(pb, "hdlr");
3141 ffio_wfourcc(pb, "mdta");
3149 static int mov_write_mdta_keys_tag(AVIOContext *pb, MOVMuxContext *mov,
3152 AVDictionaryEntry *t = NULL;
3153 int64_t pos = avio_tell(pb);
3154 int64_t curpos, entry_pos;
3157 avio_wb32(pb, 0); /* size */
3158 ffio_wfourcc(pb, "keys");
3160 entry_pos = avio_tell(pb);
3161 avio_wb32(pb, 0); /* entry count */
3163 while (t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX)) {
3164 avio_wb32(pb, strlen(t->key) + 8);
3165 ffio_wfourcc(pb, "mdta");
3166 avio_write(pb, t->key, strlen(t->key));
3169 curpos = avio_tell(pb);
3170 avio_seek(pb, entry_pos, SEEK_SET);
3171 avio_wb32(pb, count); // rewrite entry count
3172 avio_seek(pb, curpos, SEEK_SET);
3174 return update_size(pb, pos);
3177 static int mov_write_mdta_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
3180 AVDictionaryEntry *t = NULL;
3181 int64_t pos = avio_tell(pb);
3182 int count = 1; /* keys are 1-index based */
3184 avio_wb32(pb, 0); /* size */
3185 ffio_wfourcc(pb, "ilst");
3187 while (t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX)) {
3188 int64_t entry_pos = avio_tell(pb);
3189 avio_wb32(pb, 0); /* size */
3190 avio_wb32(pb, count); /* key */
3191 mov_write_string_data_tag(pb, t->value, 0, 1);
3192 update_size(pb, entry_pos);
3195 return update_size(pb, pos);
3198 /* meta data tags */
3199 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
3203 int64_t pos = avio_tell(pb);
3204 avio_wb32(pb, 0); /* size */
3205 ffio_wfourcc(pb, "meta");
3207 if (mov->flags & FF_MOV_FLAG_USE_MDTA) {
3208 mov_write_mdta_hdlr_tag(pb, mov, s);
3209 mov_write_mdta_keys_tag(pb, mov, s);
3210 mov_write_mdta_ilst_tag(pb, mov, s);
3213 /* iTunes metadata tag */
3214 mov_write_itunes_hdlr_tag(pb, mov, s);
3215 mov_write_ilst_tag(pb, mov, s);
3217 size = update_size(pb, pos);
3221 static int mov_write_raw_metadata_tag(AVFormatContext *s, AVIOContext *pb,
3222 const char *name, const char *key)
3225 AVDictionaryEntry *t;
3227 if (!(t = av_dict_get(s->metadata, key, NULL, 0)))
3230 len = strlen(t->value);
3233 avio_wb32(pb, size);
3234 ffio_wfourcc(pb, name);
3235 avio_write(pb, t->value, len);
3241 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
3245 GET_UTF8(val, *b++, return -1;)
3248 avio_wb16(pb, 0x00);
3252 static uint16_t language_code(const char *str)
3254 return (((str[0] - 0x60) & 0x1F) << 10) +
3255 (((str[1] - 0x60) & 0x1F) << 5) +
3256 (( str[2] - 0x60) & 0x1F);
3259 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
3260 const char *tag, const char *str)
3262 int64_t pos = avio_tell(pb);
3263 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
3264 if (!t || !utf8len(t->value))
3266 avio_wb32(pb, 0); /* size */
3267 ffio_wfourcc(pb, tag); /* type */
3268 avio_wb32(pb, 0); /* version + flags */
3269 if (!strcmp(tag, "yrrc"))
3270 avio_wb16(pb, atoi(t->value));
3272 avio_wb16(pb, language_code("eng")); /* language */
3273 avio_write(pb, t->value, strlen(t->value) + 1); /* UTF8 string value */
3274 if (!strcmp(tag, "albm") &&
3275 (t = av_dict_get(s->metadata, "track", NULL, 0)))
3276 avio_w8(pb, atoi(t->value));
3278 return update_size(pb, pos);
3281 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
3283 int64_t pos = avio_tell(pb);
3284 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
3286 avio_wb32(pb, 0); // size
3287 ffio_wfourcc(pb, "chpl");
3288 avio_wb32(pb, 0x01000000); // version + flags
3289 avio_wb32(pb, 0); // unknown
3290 avio_w8(pb, nb_chapters);
3292 for (i = 0; i < nb_chapters; i++) {
3293 AVChapter *c = s->chapters[i];
3294 AVDictionaryEntry *t;
3295 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
3297 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3298 int len = FFMIN(strlen(t->value), 255);
3300 avio_write(pb, t->value, len);
3304 return update_size(pb, pos);
3307 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
3310 AVIOContext *pb_buf;
3314 ret = avio_open_dyn_buf(&pb_buf);
3318 if (mov->mode & MODE_3GP) {
3319 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
3320 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
3321 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
3322 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
3323 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
3324 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
3325 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
3326 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
3327 mov_write_loci_tag(s, pb_buf);
3328 } 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
3329 mov_write_string_metadata(s, pb_buf, "\251ART", "artist", 0);
3330 mov_write_string_metadata(s, pb_buf, "\251nam", "title", 0);
3331 mov_write_string_metadata(s, pb_buf, "\251aut", "author", 0);
3332 mov_write_string_metadata(s, pb_buf, "\251alb", "album", 0);
3333 mov_write_string_metadata(s, pb_buf, "\251day", "date", 0);
3334 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder", 0);
3335 // currently ignored by mov.c
3336 mov_write_string_metadata(s, pb_buf, "\251des", "comment", 0);
3337 // add support for libquicktime, this atom is also actually read by mov.c
3338 mov_write_string_metadata(s, pb_buf, "\251cmt", "comment", 0);
3339 mov_write_string_metadata(s, pb_buf, "\251gen", "genre", 0);
3340 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright", 0);
3341 mov_write_string_metadata(s, pb_buf, "\251mak", "make", 0);
3342 mov_write_string_metadata(s, pb_buf, "\251mod", "model", 0);
3343 mov_write_string_metadata(s, pb_buf, "\251xyz", "location", 0);
3344 mov_write_raw_metadata_tag(s, pb_buf, "XMP_", "xmp");
3346 /* iTunes meta data */
3347 mov_write_meta_tag(pb_buf, mov, s);
3348 mov_write_loci_tag(s, pb_buf);
3351 if (s->nb_chapters && !(mov->flags & FF_MOV_FLAG_DISABLE_CHPL))
3352 mov_write_chpl_tag(pb_buf, s);
3354 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
3355 avio_wb32(pb, size + 8);
3356 ffio_wfourcc(pb, "udta");
3357 avio_write(pb, buf, size);
3364 static void mov_write_psp_udta_tag(AVIOContext *pb,
3365 const char *str, const char *lang, int type)
3367 int len = utf8len(str) + 1;
3370 avio_wb16(pb, len * 2 + 10); /* size */
3371 avio_wb32(pb, type); /* type */
3372 avio_wb16(pb, language_code(lang)); /* language */
3373 avio_wb16(pb, 0x01); /* ? */
3374 ascii_to_wc(pb, str);
3377 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
3379 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
3383 pos = avio_tell(pb);
3384 avio_wb32(pb, 0); /* size placeholder*/
3385 ffio_wfourcc(pb, "uuid");
3386 ffio_wfourcc(pb, "USMT");
3387 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
3388 avio_wb32(pb, 0xbb88695c);
3389 avio_wb32(pb, 0xfac9c740);
3391 pos2 = avio_tell(pb);
3392 avio_wb32(pb, 0); /* size placeholder*/
3393 ffio_wfourcc(pb, "MTDT");
3397 avio_wb16(pb, 0x0C); /* size */
3398 avio_wb32(pb, 0x0B); /* type */
3399 avio_wb16(pb, language_code("und")); /* language */
3400 avio_wb16(pb, 0x0); /* ? */
3401 avio_wb16(pb, 0x021C); /* data */
3403 if (!(s->flags & AVFMT_FLAG_BITEXACT))
3404 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
3405 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
3406 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
3408 update_size(pb, pos2);
3409 return update_size(pb, pos);
3415 static void build_chunks(MOVTrack *trk)
3418 MOVIentry *chunk = &trk->cluster[0];
3419 uint64_t chunkSize = chunk->size;
3420 chunk->chunkNum = 1;
3421 if (trk->chunkCount)
3423 trk->chunkCount = 1;
3424 for (i = 1; i<trk->entry; i++){
3425 if (chunk->pos + chunkSize == trk->cluster[i].pos &&
3426 chunkSize + trk->cluster[i].size < (1<<20)){
3427 chunkSize += trk->cluster[i].size;
3428 chunk->samples_in_chunk += trk->cluster[i].entries;
3430 trk->cluster[i].chunkNum = chunk->chunkNum+1;
3431 chunk=&trk->cluster[i];
3432 chunkSize = chunk->size;
3438 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
3442 int64_t pos = avio_tell(pb);
3443 avio_wb32(pb, 0); /* size placeholder*/
3444 ffio_wfourcc(pb, "moov");
3446 for (i = 0; i < mov->nb_streams; i++) {
3447 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
3450 mov->tracks[i].time = mov->time;
3451 mov->tracks[i].track_id = i + 1;
3453 if (mov->tracks[i].entry)
3454 build_chunks(&mov->tracks[i]);
3457 if (mov->chapter_track)
3458 for (i = 0; i < s->nb_streams; i++) {
3459 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
3460 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
3462 for (i = 0; i < mov->nb_streams; i++) {
3463 MOVTrack *track = &mov->tracks[i];
3464 if (track->tag == MKTAG('r','t','p',' ')) {
3465 track->tref_tag = MKTAG('h','i','n','t');
3466 track->tref_id = mov->tracks[track->src_track].track_id;
3467 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
3468 int * fallback, size;
3469 fallback = (int*)av_stream_get_side_data(track->st,
3470 AV_PKT_DATA_FALLBACK_TRACK,
3472 if (fallback != NULL && size == sizeof(int)) {
3473 if (*fallback >= 0 && *fallback < mov->nb_streams) {
3474 track->tref_tag = MKTAG('f','a','l','l');
3475 track->tref_id = mov->tracks[*fallback].track_id;
3480 for (i = 0; i < mov->nb_streams; i++) {
3481 if (mov->tracks[i].tag == MKTAG('t','m','c','d')) {
3482 int src_trk = mov->tracks[i].src_track;
3483 mov->tracks[src_trk].tref_tag = mov->tracks[i].tag;
3484 mov->tracks[src_trk].tref_id = mov->tracks[i].track_id;
3485 //src_trk may have a different timescale than the tmcd track
3486 mov->tracks[i].track_duration = av_rescale(mov->tracks[src_trk].track_duration,
3487 mov->tracks[i].timescale,
3488 mov->tracks[src_trk].timescale);
3492 mov_write_mvhd_tag(pb, mov);
3493 if (mov->mode != MODE_MOV && !mov->iods_skip)
3494 mov_write_iods_tag(pb, mov);
3495 for (i = 0; i < mov->nb_streams; i++) {
3496 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
3497 int ret = mov_write_trak_tag(s, pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
3502 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
3503 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
3505 if (mov->mode == MODE_PSP)
3506 mov_write_uuidusmt_tag(pb, s);
3508 mov_write_udta_tag(pb, mov, s);
3510 return update_size(pb, pos);
3513 static void param_write_int(AVIOContext *pb, const char *name, int value)
3515 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
3518 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
3520 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
3523 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
3526 len = FFMIN(sizeof(buf) / 2 - 1, len);
3527 ff_data_to_hex(buf, value, len, 0);
3528 buf[2 * len] = '\0';
3529 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
3532 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov)
3534 int64_t pos = avio_tell(pb);
3536 static const uint8_t uuid[] = {
3537 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
3538 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
3542 ffio_wfourcc(pb, "uuid");
3543 avio_write(pb, uuid, sizeof(uuid));
3546 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
3547 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
3548 avio_printf(pb, "<head>\n");
3549 if (!(mov->fc->flags & AVFMT_FLAG_BITEXACT))
3550 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
3552 avio_printf(pb, "</head>\n");
3553 avio_printf(pb, "<body>\n");
3554 avio_printf(pb, "<switch>\n");
3555 for (i = 0; i < mov->nb_streams; i++) {
3556 MOVTrack *track = &mov->tracks[i];
3558 /* track->track_id is initialized in write_moov, and thus isn't known
3560 int track_id = i + 1;
3562 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
3564 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
3569 avio_printf(pb, "<%s systemBitrate=\"%"PRId64"\">\n", type,
3570 (int64_t)track->par->bit_rate);
3571 param_write_int(pb, "systemBitrate", track->par->bit_rate);
3572 param_write_int(pb, "trackID", track_id);
3573 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
3574 if (track->par->codec_id == AV_CODEC_ID_H264) {
3576 int size = track->par->extradata_size;
3577 if (!ff_avc_write_annexb_extradata(track->par->extradata, &ptr,
3579 param_write_hex(pb, "CodecPrivateData",
3580 ptr ? ptr : track->par->extradata,
3584 param_write_string(pb, "FourCC", "H264");
3585 } else if (track->par->codec_id == AV_CODEC_ID_VC1) {
3586 param_write_string(pb, "FourCC", "WVC1");
3587 param_write_hex(pb, "CodecPrivateData", track->par->extradata,
3588 track->par->extradata_size);
3590 param_write_int(pb, "MaxWidth", track->par->width);
3591 param_write_int(pb, "MaxHeight", track->par->height);
3592 param_write_int(pb, "DisplayWidth", track->par->width);
3593 param_write_int(pb, "DisplayHeight", track->par->height);
3595 if (track->par->codec_id == AV_CODEC_ID_AAC) {
3596 switch (track->par->profile)
3598 case FF_PROFILE_AAC_HE_V2:
3599 param_write_string(pb, "FourCC", "AACP");
3601 case FF_PROFILE_AAC_HE:
3602 param_write_string(pb, "FourCC", "AACH");
3605 param_write_string(pb, "FourCC", "AACL");
3607 } else if (track->par->codec_id == AV_CODEC_ID_WMAPRO) {
3608 param_write_string(pb, "FourCC", "WMAP");
3610 param_write_hex(pb, "CodecPrivateData", track->par->extradata,
3611 track->par->extradata_size);
3612 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
3613 track->par->codec_id));
3614 param_write_int(pb, "Channels", track->par->channels);
3615 param_write_int(pb, "SamplingRate", track->par->sample_rate);
3616 param_write_int(pb, "BitsPerSample", 16);
3617 param_write_int(pb, "PacketSize", track->par->block_align ?
3618 track->par->block_align : 4);
3620 avio_printf(pb, "</%s>\n", type);
3622 avio_printf(pb, "</switch>\n");
3623 avio_printf(pb, "</body>\n");
3624 avio_printf(pb, "</smil>\n");
3626 return update_size(pb, pos);
3629 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
3632 ffio_wfourcc(pb, "mfhd");
3634 avio_wb32(pb, mov->fragments);
3638 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
3640 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
3641 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
3644 static int mov_write_tfhd_tag(AVIOContext *pb, MOVMuxContext *mov,
3645 MOVTrack *track, int64_t moof_offset)
3647 int64_t pos = avio_tell(pb);
3648 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
3649 MOV_TFHD_BASE_DATA_OFFSET;
3650 if (!track->entry) {
3651 flags |= MOV_TFHD_DURATION_IS_EMPTY;
3653 flags |= MOV_TFHD_DEFAULT_FLAGS;
3655 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET)
3656 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
3657 if (mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) {
3658 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
3659 flags |= MOV_TFHD_DEFAULT_BASE_IS_MOOF;
3662 /* Don't set a default sample size, the silverlight player refuses
3663 * to play files with that set. Don't set a default sample duration,
3664 * WMP freaks out if it is set. Don't set a base data offset, PIFF
3665 * file format says it MUST NOT be set. */
3666 if (track->mode == MODE_ISM)
3667 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
3668 MOV_TFHD_BASE_DATA_OFFSET);
3670 avio_wb32(pb, 0); /* size placeholder */
3671 ffio_wfourcc(pb, "tfhd");
3672 avio_w8(pb, 0); /* version */
3673 avio_wb24(pb, flags);
3675 avio_wb32(pb, track->track_id); /* track-id */
3676 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
3677 avio_wb64(pb, moof_offset);
3678 if (flags & MOV_TFHD_DEFAULT_DURATION) {
3679 track->default_duration = get_cluster_duration(track, 0);
3680 avio_wb32(pb, track->default_duration);
3682 if (flags & MOV_TFHD_DEFAULT_SIZE) {
3683 track->default_size = track->entry ? track->cluster[0].size : 1;
3684 avio_wb32(pb, track->default_size);
3686 track->default_size = -1;
3688 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
3689 /* Set the default flags based on the second sample, if available.
3690 * If the first sample is different, that can be signaled via a separate field. */
3691 if (track->entry > 1)
3692 track->default_sample_flags = get_sample_flags(track, &track->cluster[1]);
3694 track->default_sample_flags =
3695 track->par->codec_type == AVMEDIA_TYPE_VIDEO ?
3696 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
3697 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
3698 avio_wb32(pb, track->default_sample_flags);
3701 return update_size(pb, pos);
3704 static int mov_write_trun_tag(AVIOContext *pb, MOVMuxContext *mov,
3705 MOVTrack *track, int moof_size,
3708 int64_t pos = avio_tell(pb);
3709 uint32_t flags = MOV_TRUN_DATA_OFFSET;
3712 for (i = first; i < end; i++) {
3713 if (get_cluster_duration(track, i) != track->default_duration)
3714 flags |= MOV_TRUN_SAMPLE_DURATION;
3715 if (track->cluster[i].size != track->default_size)
3716 flags |= MOV_TRUN_SAMPLE_SIZE;
3717 if (i > first && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
3718 flags |= MOV_TRUN_SAMPLE_FLAGS;
3720 if (!(flags & MOV_TRUN_SAMPLE_FLAGS) && track->entry > 0 &&
3721 get_sample_flags(track, &track->cluster[0]) != track->default_sample_flags)
3722 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
3723 if (track->flags & MOV_TRACK_CTTS)
3724 flags |= MOV_TRUN_SAMPLE_CTS;
3726 avio_wb32(pb, 0); /* size placeholder */
3727 ffio_wfourcc(pb, "trun");
3728 avio_w8(pb, 0); /* version */
3729 avio_wb24(pb, flags);
3731 avio_wb32(pb, end - first); /* sample count */
3732 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
3733 !(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) &&
3735 avio_wb32(pb, 0); /* Later tracks follow immediately after the previous one */
3737 avio_wb32(pb, moof_size + 8 + track->data_offset +
3738 track->cluster[first].pos); /* data offset */
3739 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
3740 avio_wb32(pb, get_sample_flags(track, &track->cluster[first]));
3742 for (i = first; i < end; i++) {
3743 if (flags & MOV_TRUN_SAMPLE_DURATION)
3744 avio_wb32(pb, get_cluster_duration(track, i));
3745 if (flags & MOV_TRUN_SAMPLE_SIZE)
3746 avio_wb32(pb, track->cluster[i].size);
3747 if (flags & MOV_TRUN_SAMPLE_FLAGS)
3748 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
3749 if (flags & MOV_TRUN_SAMPLE_CTS)
3750 avio_wb32(pb, track->cluster[i].cts);
3753 mov->first_trun = 0;
3754 return update_size(pb, pos);
3757 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
3759 int64_t pos = avio_tell(pb);
3760 static const uint8_t uuid[] = {
3761 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
3762 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
3765 avio_wb32(pb, 0); /* size placeholder */
3766 ffio_wfourcc(pb, "uuid");
3767 avio_write(pb, uuid, sizeof(uuid));
3770 avio_wb64(pb, track->start_dts + track->frag_start +
3771 track->cluster[0].cts);
3772 avio_wb64(pb, track->end_pts -
3773 (track->cluster[0].dts + track->cluster[0].cts));
3775 return update_size(pb, pos);
3778 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
3779 MOVTrack *track, int entry)
3781 int n = track->nb_frag_info - 1 - entry, i;
3782 int size = 8 + 16 + 4 + 1 + 16*n;
3783 static const uint8_t uuid[] = {
3784 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
3785 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
3791 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
3792 avio_wb32(pb, size);
3793 ffio_wfourcc(pb, "uuid");
3794 avio_write(pb, uuid, sizeof(uuid));
3798 for (i = 0; i < n; i++) {
3799 int index = entry + 1 + i;
3800 avio_wb64(pb, track->frag_info[index].time);
3801 avio_wb64(pb, track->frag_info[index].duration);
3803 if (n < mov->ism_lookahead) {
3804 int free_size = 16 * (mov->ism_lookahead - n);
3805 avio_wb32(pb, free_size);
3806 ffio_wfourcc(pb, "free");
3807 ffio_fill(pb, 0, free_size - 8);
3813 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
3816 int64_t pos = avio_tell(pb);
3818 for (i = 0; i < mov->ism_lookahead; i++) {
3819 /* Update the tfrf tag for the last ism_lookahead fragments,
3820 * nb_frag_info - 1 is the next fragment to be written. */
3821 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
3823 avio_seek(pb, pos, SEEK_SET);
3827 static int mov_add_tfra_entries(AVIOContext *pb, MOVMuxContext *mov, int tracks,
3831 for (i = 0; i < mov->nb_streams; i++) {
3832 MOVTrack *track = &mov->tracks[i];
3833 MOVFragmentInfo *info;
3834 if ((tracks >= 0 && i != tracks) || !track->entry)
3836 track->nb_frag_info++;
3837 if (track->nb_frag_info >= track->frag_info_capacity) {
3838 unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT;
3839 if (av_reallocp_array(&track->frag_info,
3841 sizeof(*track->frag_info)))
3842 return AVERROR(ENOMEM);
3843 track->frag_info_capacity = new_capacity;
3845 info = &track->frag_info[track->nb_frag_info - 1];
3846 info->offset = avio_tell(pb);
3848 // Try to recreate the original pts for the first packet
3849 // from the fields we have stored
3850 info->time = track->start_dts + track->frag_start +
3851 track->cluster[0].cts;
3852 info->duration = track->end_pts -
3853 (track->cluster[0].dts + track->cluster[0].cts);
3854 // If the pts is less than zero, we will have trimmed
3855 // away parts of the media track using an edit list,
3856 // and the corresponding start presentation time is zero.
3857 if (info->time < 0) {
3858 info->duration += info->time;
3861 info->tfrf_offset = 0;
3862 mov_write_tfrf_tags(pb, mov, track);
3867 static int mov_write_tfdt_tag(AVIOContext *pb, MOVTrack *track)
3869 int64_t pos = avio_tell(pb);
3871 avio_wb32(pb, 0); /* size */
3872 ffio_wfourcc(pb, "tfdt");
3873 avio_w8(pb, 1); /* version */
3875 avio_wb64(pb, track->frag_start);
3876 return update_size(pb, pos);
3879 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
3880 MOVTrack *track, int64_t moof_offset,
3883 int64_t pos = avio_tell(pb);
3885 avio_wb32(pb, 0); /* size placeholder */
3886 ffio_wfourcc(pb, "traf");
3888 mov_write_tfhd_tag(pb, mov, track, moof_offset);
3889 if (mov->mode != MODE_ISM)
3890 mov_write_tfdt_tag(pb, track);
3891 for (i = 1; i < track->entry; i++) {
3892 if (track->cluster[i].pos != track->cluster[i - 1].pos + track->cluster[i - 1].size) {
3893 mov_write_trun_tag(pb, mov, track, moof_size, start, i);
3897 mov_write_trun_tag(pb, mov, track, moof_size, start, track->entry);
3898 if (mov->mode == MODE_ISM) {
3899 mov_write_tfxd_tag(pb, track);
3901 if (mov->ism_lookahead) {
3902 int i, size = 16 + 4 + 1 + 16 * mov->ism_lookahead;
3904 if (track->nb_frag_info > 0) {
3905 MOVFragmentInfo *info = &track->frag_info[track->nb_frag_info - 1];
3906 if (!info->tfrf_offset)
3907 info->tfrf_offset = avio_tell(pb);
3909 avio_wb32(pb, 8 + size);
3910 ffio_wfourcc(pb, "free");
3911 for (i = 0; i < size; i++)
3916 return update_size(pb, pos);
3919 static int mov_write_moof_tag_internal(AVIOContext *pb, MOVMuxContext *mov,
3920 int tracks, int moof_size)
3922 int64_t pos = avio_tell(pb);
3925 avio_wb32(pb, 0); /* size placeholder */
3926 ffio_wfourcc(pb, "moof");
3927 mov->first_trun = 1;
3929 mov_write_mfhd_tag(pb, mov);
3930 for (i = 0; i < mov->nb_streams; i++) {
3931 MOVTrack *track = &mov->tracks[i];
3932 if (tracks >= 0 && i != tracks)
3936 mov_write_traf_tag(pb, mov, track, pos, moof_size);
3939 return update_size(pb, pos);
3942 static int mov_write_sidx_tag(AVIOContext *pb,
3943 MOVTrack *track, int ref_size, int total_sidx_size)
3945 int64_t pos = avio_tell(pb), offset_pos, end_pos;
3946 int64_t presentation_time, duration, offset;
3947 int starts_with_SAP, i, entries;
3951 presentation_time = track->start_dts + track->frag_start +
3952 track->cluster[0].cts;
3953 duration = track->end_pts -
3954 (track->cluster[0].dts + track->cluster[0].cts);
3955 starts_with_SAP = track->cluster[0].flags & MOV_SYNC_SAMPLE;
3957 // pts<0 should be cut away using edts
3958 if (presentation_time < 0) {
3959 duration += presentation_time;
3960 presentation_time = 0;
3963 entries = track->nb_frag_info;
3966 presentation_time = track->frag_info[0].time;
3969 avio_wb32(pb, 0); /* size */
3970 ffio_wfourcc(pb, "sidx");
3971 avio_w8(pb, 1); /* version */
3973 avio_wb32(pb, track->track_id); /* reference_ID */
3974 avio_wb32(pb, track->timescale); /* timescale */
3975 avio_wb64(pb, presentation_time); /* earliest_presentation_time */
3976 offset_pos = avio_tell(pb);
3977 avio_wb64(pb, 0); /* first_offset (offset to referenced moof) */
3978 avio_wb16(pb, 0); /* reserved */
3980 avio_wb16(pb, entries); /* reference_count */
3981 for (i = 0; i < entries; i++) {
3982 if (!track->entry) {
3983 if (i > 1 && track->frag_info[i].offset != track->frag_info[i - 1].offset + track->frag_info[i - 1].size) {
3984 av_log(NULL, AV_LOG_ERROR, "Non-consecutive fragments, writing incorrect sidx\n");
3986 duration = track->frag_info[i].duration;
3987 ref_size = track->frag_info[i].size;
3988 starts_with_SAP = 1;
3990 avio_wb32(pb, (0 << 31) | (ref_size & 0x7fffffff)); /* reference_type (0 = media) | referenced_size */
3991 avio_wb32(pb, duration); /* subsegment_duration */
3992 avio_wb32(pb, (starts_with_SAP << 31) | (0 << 28) | 0); /* starts_with_SAP | SAP_type | SAP_delta_time */
3995 end_pos = avio_tell(pb);
3996 offset = pos + total_sidx_size - end_pos;
3997 avio_seek(pb, offset_pos, SEEK_SET);
3998 avio_wb64(pb, offset);
3999 avio_seek(pb, end_pos, SEEK_SET);
4000 return update_size(pb, pos);
4003 static int mov_write_sidx_tags(AVIOContext *pb, MOVMuxContext *mov,
4004 int tracks, int ref_size)
4007 AVIOContext *avio_buf;
4009 for (round = 0; round < 2; round++) {
4010 // First run one round to calculate the total size of all
4012 // This would be much simpler if we'd only write one sidx
4013 // atom, for the first track in the moof.
4015 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
4020 for (i = 0; i < mov->nb_streams; i++) {
4021 MOVTrack *track = &mov->tracks[i];
4022 if (tracks >= 0 && i != tracks)
4024 // When writing a sidx for the full file, entry is 0, but
4025 // we want to include all tracks. ref_size is 0 in this case,
4026 // since we read it from frag_info instead.
4027 if (!track->entry && ref_size > 0)
4029 total_size -= mov_write_sidx_tag(avio_buf, track, ref_size,
4033 total_size = ffio_close_null_buf(avio_buf);
4038 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks,
4041 AVIOContext *avio_buf;
4044 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
4046 mov_write_moof_tag_internal(avio_buf, mov, tracks, 0);
4047 moof_size = ffio_close_null_buf(avio_buf);
4049 if (mov->flags & FF_MOV_FLAG_DASH && !(mov->flags & FF_MOV_FLAG_GLOBAL_SIDX))
4050 mov_write_sidx_tags(pb, mov, tracks, moof_size + 8 + mdat_size);
4052 if ((ret = mov_add_tfra_entries(pb, mov, tracks, moof_size + 8 + mdat_size)) < 0)
4055 return mov_write_moof_tag_internal(pb, mov, tracks, moof_size);
4058 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
4060 int64_t pos = avio_tell(pb);
4063 avio_wb32(pb, 0); /* size placeholder */
4064 ffio_wfourcc(pb, "tfra");
4065 avio_w8(pb, 1); /* version */
4068 avio_wb32(pb, track->track_id);
4069 avio_wb32(pb, 0); /* length of traf/trun/sample num */
4070 avio_wb32(pb, track->nb_frag_info);
4071 for (i = 0; i < track->nb_frag_info; i++) {
4072 avio_wb64(pb, track->frag_info[i].time);
4073 avio_wb64(pb, track->frag_info[i].offset + track->data_offset);
4074 avio_w8(pb, 1); /* traf number */
4075 avio_w8(pb, 1); /* trun number */
4076 avio_w8(pb, 1); /* sample number */
4079 return update_size(pb, pos);
4082 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
4084 int64_t pos = avio_tell(pb);
4087 avio_wb32(pb, 0); /* size placeholder */
4088 ffio_wfourcc(pb, "mfra");
4089 /* An empty mfra atom is enough to indicate to the publishing point that
4090 * the stream has ended. */
4091 if (mov->flags & FF_MOV_FLAG_ISML)
4092 return update_size(pb, pos);
4094 for (i = 0; i < mov->nb_streams; i++) {
4095 MOVTrack *track = &mov->tracks[i];
4096 if (track->nb_frag_info)
4097 mov_write_tfra_tag(pb, track);
4101 ffio_wfourcc(pb, "mfro");
4102 avio_wb32(pb, 0); /* version + flags */
4103 avio_wb32(pb, avio_tell(pb) + 4 - pos);
4105 return update_size(pb, pos);
4108 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
4110 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
4111 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
4113 mov->mdat_pos = avio_tell(pb);
4114 avio_wb32(pb, 0); /* size placeholder*/
4115 ffio_wfourcc(pb, "mdat");
4119 /* TODO: This needs to be more general */
4120 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
4122 MOVMuxContext *mov = s->priv_data;
4123 int64_t pos = avio_tell(pb);
4124 int has_h264 = 0, has_video = 0;
4128 for (i = 0; i < s->nb_streams; i++) {
4129 AVStream *st = s->streams[i];
4130 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
4132 if (st->codecpar->codec_id == AV_CODEC_ID_H264)
4136 avio_wb32(pb, 0); /* size */
4137 ffio_wfourcc(pb, "ftyp");
4139 if (mov->major_brand && strlen(mov->major_brand) >= 4)
4140 ffio_wfourcc(pb, mov->major_brand);
4141 else if (mov->mode == MODE_3GP) {
4142 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
4143 minor = has_h264 ? 0x100 : 0x200;
4144 } else if (mov->mode & MODE_3G2) {
4145 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
4146 minor = has_h264 ? 0x20000 : 0x10000;
4147 } else if (mov->mode == MODE_PSP)
4148 ffio_wfourcc(pb, "MSNV");
4149 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
4150 ffio_wfourcc(pb, "iso5"); // Required when using default-base-is-moof
4151 else if (mov->mode == MODE_MP4)
4152 ffio_wfourcc(pb, "isom");
4153 else if (mov->mode == MODE_IPOD)
4154 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
4155 else if (mov->mode == MODE_ISM)
4156 ffio_wfourcc(pb, "isml");
4157 else if (mov->mode == MODE_F4V)
4158 ffio_wfourcc(pb, "f4v ");
4160 ffio_wfourcc(pb, "qt ");
4162 avio_wb32(pb, minor);
4164 if (mov->mode == MODE_MOV)
4165 ffio_wfourcc(pb, "qt ");
4166 else if (mov->mode == MODE_ISM) {
4167 ffio_wfourcc(pb, "piff");
4168 } else if (!(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)) {
4169 ffio_wfourcc(pb, "isom");
4170 ffio_wfourcc(pb, "iso2");
4172 ffio_wfourcc(pb, "avc1");
4175 // We add tfdt atoms when fragmenting, signal this with the iso6 compatible
4176 // brand. This is compatible with users that don't understand tfdt.
4177 if (mov->flags & FF_MOV_FLAG_FRAGMENT && mov->mode != MODE_ISM)
4178 ffio_wfourcc(pb, "iso6");
4180 if (mov->mode == MODE_3GP)
4181 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
4182 else if (mov->mode & MODE_3G2)
4183 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
4184 else if (mov->mode == MODE_PSP)
4185 ffio_wfourcc(pb, "MSNV");
4186 else if (mov->mode == MODE_MP4)
4187 ffio_wfourcc(pb, "mp41");
4189 if (mov->flags & FF_MOV_FLAG_DASH && mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
4190 ffio_wfourcc(pb, "dash");
4192 return update_size(pb, pos);
4195 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
4197 AVStream *video_st = s->streams[0];
4198 AVCodecParameters *video_par = s->streams[0]->codecpar;
4199 AVCodecParameters *audio_par = s->streams[1]->codecpar;
4200 int audio_rate = audio_par->sample_rate;
4201 // TODO: should be avg_frame_rate
4202 int frame_rate = ((video_st->time_base.den) * (0x10000)) / (video_st->time_base.num);
4203 int audio_kbitrate = audio_par->bit_rate / 1000;
4204 int video_kbitrate = FFMIN(video_par->bit_rate / 1000, 800 - audio_kbitrate);
4206 avio_wb32(pb, 0x94); /* size */
4207 ffio_wfourcc(pb, "uuid");
4208 ffio_wfourcc(pb, "PROF");
4210 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
4211 avio_wb32(pb, 0xbb88695c);
4212 avio_wb32(pb, 0xfac9c740);
4214 avio_wb32(pb, 0x0); /* ? */
4215 avio_wb32(pb, 0x3); /* 3 sections ? */
4217 avio_wb32(pb, 0x14); /* size */
4218 ffio_wfourcc(pb, "FPRF");
4219 avio_wb32(pb, 0x0); /* ? */
4220 avio_wb32(pb, 0x0); /* ? */
4221 avio_wb32(pb, 0x0); /* ? */
4223 avio_wb32(pb, 0x2c); /* size */
4224 ffio_wfourcc(pb, "APRF"); /* audio */
4226 avio_wb32(pb, 0x2); /* TrackID */
4227 ffio_wfourcc(pb, "mp4a");
4228 avio_wb32(pb, 0x20f);
4230 avio_wb32(pb, audio_kbitrate);
4231 avio_wb32(pb, audio_kbitrate);
4232 avio_wb32(pb, audio_rate);
4233 avio_wb32(pb, audio_par->channels);
4235 avio_wb32(pb, 0x34); /* size */
4236 ffio_wfourcc(pb, "VPRF"); /* video */
4238 avio_wb32(pb, 0x1); /* TrackID */
4239 if (video_par->codec_id == AV_CODEC_ID_H264) {
4240 ffio_wfourcc(pb, "avc1");
4241 avio_wb16(pb, 0x014D);
4242 avio_wb16(pb, 0x0015);
4244 ffio_wfourcc(pb, "mp4v");
4245 avio_wb16(pb, 0x0000);
4246 avio_wb16(pb, 0x0103);
4249 avio_wb32(pb, video_kbitrate);
4250 avio_wb32(pb, video_kbitrate);
4251 avio_wb32(pb, frame_rate);
4252 avio_wb32(pb, frame_rate);
4253 avio_wb16(pb, video_par->width);
4254 avio_wb16(pb, video_par->height);
4255 avio_wb32(pb, 0x010001); /* ? */
4258 static int mov_write_identification(AVIOContext *pb, AVFormatContext *s)
4260 MOVMuxContext *mov = s->priv_data;
4263 mov_write_ftyp_tag(pb,s);
4264 if (mov->mode == MODE_PSP) {
4265 int video_streams_nb = 0, audio_streams_nb = 0, other_streams_nb = 0;
4266 for (i = 0; i < s->nb_streams; i++) {
4267 AVStream *st = s->streams[i];
4268 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
4270 else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
4276 if (video_streams_nb != 1 || audio_streams_nb != 1 || other_streams_nb) {
4277 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
4278 return AVERROR(EINVAL);
4280 mov_write_uuidprof_tag(pb, s);
4285 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
4288 int i, closed_gop = 0;
4290 for (i = 0; i < pkt->size - 4; i++) {
4291 c = (c << 8) + pkt->data[i];
4292 if (c == 0x1b8) { // gop
4293 closed_gop = pkt->data[i + 4] >> 6 & 0x01;
4294 } else if (c == 0x100) { // pic
4295 int temp_ref = (pkt->data[i + 1] << 2) | (pkt->data[i + 2] >> 6);
4296 if (!temp_ref || closed_gop) // I picture is not reordered
4297 *flags = MOV_SYNC_SAMPLE;
4299 *flags = MOV_PARTIAL_SYNC_SAMPLE;
4306 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk)
4308 const uint8_t *start, *next, *end = pkt->data + pkt->size;
4309 int seq = 0, entry = 0;
4310 int key = pkt->flags & AV_PKT_FLAG_KEY;
4311 start = find_next_marker(pkt->data, end);
4312 for (next = start; next < end; start = next) {
4313 next = find_next_marker(start + 4, end);
4314 switch (AV_RB32(start)) {
4315 case VC1_CODE_SEQHDR:
4318 case VC1_CODE_ENTRYPOINT:
4321 case VC1_CODE_SLICE:
4322 trk->vc1_info.slices = 1;
4326 if (!trk->entry && trk->vc1_info.first_packet_seen)
4327 trk->vc1_info.first_frag_written = 1;
4328 if (!trk->entry && !trk->vc1_info.first_frag_written) {
4329 /* First packet in first fragment */
4330 trk->vc1_info.first_packet_seq = seq;
4331 trk->vc1_info.first_packet_entry = entry;
4332 trk->vc1_info.first_packet_seen = 1;
4333 } else if ((seq && !trk->vc1_info.packet_seq) ||
4334 (entry && !trk->vc1_info.packet_entry)) {
4336 for (i = 0; i < trk->entry; i++)
4337 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
4338 trk->has_keyframes = 0;
4340 trk->vc1_info.packet_seq = 1;
4342 trk->vc1_info.packet_entry = 1;
4343 if (!trk->vc1_info.first_frag_written) {
4344 /* First fragment */
4345 if ((!seq || trk->vc1_info.first_packet_seq) &&
4346 (!entry || trk->vc1_info.first_packet_entry)) {
4347 /* First packet had the same headers as this one, readd the
4348 * sync sample flag. */
4349 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
4350 trk->has_keyframes = 1;
4354 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
4356 else if (trk->vc1_info.packet_seq)
4358 else if (trk->vc1_info.packet_entry)
4361 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
4362 trk->has_keyframes++;
4366 static int mov_flush_fragment_interleaving(AVFormatContext *s, MOVTrack *track)
4368 MOVMuxContext *mov = s->priv_data;
4373 if (!track->mdat_buf)
4375 if (!mov->mdat_buf) {
4376 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
4379 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
4380 track->mdat_buf = NULL;
4382 offset = avio_tell(mov->mdat_buf);
4383 avio_write(mov->mdat_buf, buf, buf_size);
4386 for (i = track->entries_flushed; i < track->entry; i++)
4387 track->cluster[i].pos += offset;
4388 track->entries_flushed = track->entry;
4392 static int mov_flush_fragment(AVFormatContext *s, int force)
4394 MOVMuxContext *mov = s->priv_data;
4395 int i, first_track = -1;
4396 int64_t mdat_size = 0;
4398 int has_video = 0, starts_with_key = 0, first_video_track = 1;
4400 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
4403 // Try to fill in the duration of the last packet in each stream
4404 // from queued packets in the interleave queues. If the flushing
4405 // of fragments was triggered automatically by an AVPacket, we
4406 // already have reliable info for the end of that track, but other
4407 // tracks may need to be filled in.
4408 for (i = 0; i < s->nb_streams; i++) {
4409 MOVTrack *track = &mov->tracks[i];
4410 if (!track->end_reliable) {
4412 const AVPacket *next = ff_interleaved_peek(s, i, &ts_offset);
4414 track->track_duration = next->dts - track->start_dts + ts_offset;
4415 if (next->pts != AV_NOPTS_VALUE)
4416 track->end_pts = next->pts;
4418 track->end_pts = next->dts;
4419 track->end_pts += ts_offset;
4424 for (i = 0; i < mov->nb_streams; i++) {
4425 MOVTrack *track = &mov->tracks[i];
4426 if (track->entry <= 1)
4428 // Sample durations are calculated as the diff of dts values,
4429 // but for the last sample in a fragment, we don't know the dts
4430 // of the first sample in the next fragment, so we have to rely
4431 // on what was set as duration in the AVPacket. Not all callers
4432 // set this though, so we might want to replace it with an
4433 // estimate if it currently is zero.
4434 if (get_cluster_duration(track, track->entry - 1) != 0)
4436 // Use the duration (i.e. dts diff) of the second last sample for
4437 // the last one. This is a wild guess (and fatal if it turns out
4438 // to be too long), but probably the best we can do - having a zero
4439 // duration is bad as well.
4440 track->track_duration += get_cluster_duration(track, track->entry - 2);
4441 track->end_pts += get_cluster_duration(track, track->entry - 2);
4442 if (!mov->missing_duration_warned) {
4443 av_log(s, AV_LOG_WARNING,
4444 "Estimating the duration of the last packet in a "
4445 "fragment, consider setting the duration field in "
4446 "AVPacket instead.\n");
4447 mov->missing_duration_warned = 1;
4451 if (!mov->moov_written) {
4452 int64_t pos = avio_tell(s->pb);
4454 int buf_size, moov_size;
4456 for (i = 0; i < mov->nb_streams; i++)
4457 if (!mov->tracks[i].entry)
4459 /* Don't write the initial moov unless all tracks have data */
4460 if (i < mov->nb_streams && !force)
4463 moov_size = get_moov_size(s);
4464 for (i = 0; i < mov->nb_streams; i++)
4465 mov->tracks[i].data_offset = pos + moov_size + 8;
4467 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_HEADER);
4468 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
4469 mov_write_identification(s->pb, s);
4470 if ((ret = mov_write_moov_tag(s->pb, mov, s)) < 0)
4473 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV) {
4474 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
4475 mov->reserved_header_pos = avio_tell(s->pb);
4477 mov->moov_written = 1;
4481 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
4482 mov->mdat_buf = NULL;
4483 avio_wb32(s->pb, buf_size + 8);
4484 ffio_wfourcc(s->pb, "mdat");
4485 avio_write(s->pb, buf, buf_size);
4488 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
4489 mov->reserved_header_pos = avio_tell(s->pb);
4491 mov->moov_written = 1;
4493 for (i = 0; i < mov->nb_streams; i++) {
4494 if (mov->tracks[i].entry)
4495 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
4496 mov->tracks[i].track_duration -
4497 mov->tracks[i].cluster[0].dts;
4498 mov->tracks[i].entry = 0;
4499 mov->tracks[i].end_reliable = 0;
4505 if (mov->frag_interleave) {
4506 for (i = 0; i < mov->nb_streams; i++) {
4507 MOVTrack *track = &mov->tracks[i];
4509 if ((ret = mov_flush_fragment_interleaving(s, track)) < 0)
4515 mdat_size = avio_tell(mov->mdat_buf);
4518 for (i = 0; i < mov->nb_streams; i++) {
4519 MOVTrack *track = &mov->tracks[i];
4520 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF || mov->frag_interleave)
4521 track->data_offset = 0;
4523 track->data_offset = mdat_size;
4524 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
4526 if (first_video_track) {
4528 starts_with_key = track->cluster[0].flags & MOV_SYNC_SAMPLE;
4529 first_video_track = 0;
4534 if (track->mdat_buf)
4535 mdat_size += avio_tell(track->mdat_buf);
4536 if (first_track < 0)
4543 avio_write_marker(s->pb,
4544 av_rescale(mov->tracks[first_track].cluster[0].dts, AV_TIME_BASE, mov->tracks[first_track].timescale),
4545 (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);
4547 for (i = 0; i < mov->nb_streams; i++) {
4548 MOVTrack *track = &mov->tracks[i];
4549 int buf_size, write_moof = 1, moof_tracks = -1;
4551 int64_t duration = 0;
4554 duration = track->start_dts + track->track_duration -
4555 track->cluster[0].dts;
4556 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
4557 if (!track->mdat_buf)
4559 mdat_size = avio_tell(track->mdat_buf);
4562 write_moof = i == first_track;
4568 mov_write_moof_tag(s->pb, mov, moof_tracks, mdat_size);
4571 avio_wb32(s->pb, mdat_size + 8);
4572 ffio_wfourcc(s->pb, "mdat");
4576 track->frag_start += duration;
4578 track->entries_flushed = 0;
4579 track->end_reliable = 0;
4580 if (!mov->frag_interleave) {
4581 if (!track->mdat_buf)
4583 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
4584 track->mdat_buf = NULL;
4588 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
4589 mov->mdat_buf = NULL;
4592 avio_write(s->pb, buf, buf_size);
4602 static int mov_auto_flush_fragment(AVFormatContext *s, int force)
4604 MOVMuxContext *mov = s->priv_data;
4605 int had_moov = mov->moov_written;
4606 int ret = mov_flush_fragment(s, force);
4609 // If using delay_moov, the first flush only wrote the moov,
4610 // not the actual moof+mdat pair, thus flush once again.
4611 if (!had_moov && mov->flags & FF_MOV_FLAG_DELAY_MOOV)
4612 ret = mov_flush_fragment(s, force);
4616 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
4618 MOVMuxContext *mov = s->priv_data;
4619 AVIOContext *pb = s->pb;
4620 MOVTrack *trk = &mov->tracks[pkt->stream_index];
4621 AVCodecParameters *par = trk->par;
4622 unsigned int samples_in_chunk = 0;
4623 int size = pkt->size, ret = 0;
4624 uint8_t *reformatted_data = NULL;
4627 int64_t duration = pkt->dts - trk->cluster[trk->entry - 1].dts;
4628 if (duration < 0 || duration > INT_MAX) {
4629 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" / timestamp: %"PRId64" is out of range for mov/mp4 format\n",
4633 pkt->dts = trk->cluster[trk->entry - 1].dts + 1;
4634 pkt->pts = AV_NOPTS_VALUE;
4637 if (pkt->duration < 0 || pkt->duration > INT_MAX) {
4638 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" is invalid\n", pkt->duration);
4639 return AVERROR(EINVAL);
4641 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
4643 if (mov->moov_written || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
4644 if (mov->frag_interleave && mov->fragments > 0) {
4645 if (trk->entry - trk->entries_flushed >= mov->frag_interleave) {
4646 if ((ret = mov_flush_fragment_interleaving(s, trk)) < 0)
4651 if (!trk->mdat_buf) {
4652 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
4657 if (!mov->mdat_buf) {
4658 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
4665 if (par->codec_id == AV_CODEC_ID_AMR_NB) {
4666 /* We must find out how many AMR blocks there are in one packet */
4667 static const uint16_t packed_size[16] =
4668 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
4671 while (len < size && samples_in_chunk < 100) {
4672 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
4675 if (samples_in_chunk > 1) {
4676 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
4679 } else if (par->codec_id == AV_CODEC_ID_ADPCM_MS ||
4680 par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
4681 samples_in_chunk = trk->par->frame_size;
4682 } else if (trk->sample_size)
4683 samples_in_chunk = size / trk->sample_size;
4685 samples_in_chunk = 1;
4687 /* copy extradata if it exists */
4688 if (trk->vos_len == 0 && par->extradata_size > 0 &&
4689 !TAG_IS_AVCI(trk->tag) &&
4690 (par->codec_id != AV_CODEC_ID_DNXHD)) {
4691 trk->vos_len = par->extradata_size;
4692 trk->vos_data = av_malloc(trk->vos_len);
4693 if (!trk->vos_data) {
4694 ret = AVERROR(ENOMEM);
4697 memcpy(trk->vos_data, par->extradata, trk->vos_len);
4700 if (par->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 &&
4701 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
4702 if (!s->streams[pkt->stream_index]->nb_frames) {
4703 av_log(s, AV_LOG_ERROR, "Malformed AAC bitstream detected: "
4704 "use the audio bitstream filter 'aac_adtstoasc' to fix it "
4705 "('-bsf:a aac_adtstoasc' option with ffmpeg)\n");
4708 av_log(s, AV_LOG_WARNING, "aac bitstream error\n");
4710 if (par->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1 && !TAG_IS_AVCI(trk->tag)) {
4711 /* from x264 or from bytestream H.264 */
4712 /* NAL reformatting needed */
4713 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
4714 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
4716 avio_write(pb, reformatted_data, size);
4718 if (mov->encryption_scheme == MOV_ENC_CENC_AES_CTR) {
4719 size = ff_mov_cenc_avc_parse_nal_units(&trk->cenc, pb, pkt->data, size);
4725 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
4728 } else if (par->codec_id == AV_CODEC_ID_HEVC && trk->vos_len > 6 &&
4729 (AV_RB24(trk->vos_data) == 1 || AV_RB32(trk->vos_data) == 1)) {
4730 /* extradata is Annex B, assume the bitstream is too and convert it */
4731 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
4732 ff_hevc_annexb2mp4_buf(pkt->data, &reformatted_data, &size, 0, NULL);
4733 avio_write(pb, reformatted_data, size);
4735 size = ff_hevc_annexb2mp4(pb, pkt->data, pkt->size, 0, NULL);
4737 #if CONFIG_AC3_PARSER
4738 } else if (par->codec_id == AV_CODEC_ID_EAC3) {
4739 size = handle_eac3(mov, pkt, trk);
4744 avio_write(pb, pkt->data, size);
4747 if (mov->encryption_scheme == MOV_ENC_CENC_AES_CTR) {
4748 if (par->codec_id == AV_CODEC_ID_H264 && par->extradata_size > 4) {
4749 int nal_size_length = (par->extradata[4] & 0x3) + 1;
4750 ret = ff_mov_cenc_avc_write_nal_units(s, &trk->cenc, nal_size_length, pb, pkt->data, size);
4752 ret = ff_mov_cenc_write_packet(&trk->cenc, pb, pkt->data, size);
4759 avio_write(pb, pkt->data, size);
4763 if ((par->codec_id == AV_CODEC_ID_DNXHD ||
4764 par->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len) {
4765 /* copy frame to create needed atoms */
4766 trk->vos_len = size;
4767 trk->vos_data = av_malloc(size);
4768 if (!trk->vos_data) {
4769 ret = AVERROR(ENOMEM);
4772 memcpy(trk->vos_data, pkt->data, size);
4775 if (trk->entry >= trk->cluster_capacity) {
4776 unsigned new_capacity = 2 * (trk->entry + MOV_INDEX_CLUSTER_SIZE);
4777 if (av_reallocp_array(&trk->cluster, new_capacity,
4778 sizeof(*trk->cluster))) {
4779 ret = AVERROR(ENOMEM);
4782 trk->cluster_capacity = new_capacity;
4785 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
4786 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
4787 trk->cluster[trk->entry].chunkNum = 0;
4788 trk->cluster[trk->entry].size = size;
4789 trk->cluster[trk->entry].entries = samples_in_chunk;
4790 trk->cluster[trk->entry].dts = pkt->dts;
4791 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
4792 if (!trk->frag_discont) {
4793 /* First packet of a new fragment. We already wrote the duration
4794 * of the last packet of the previous fragment based on track_duration,
4795 * which might not exactly match our dts. Therefore adjust the dts
4796 * of this packet to be what the previous packets duration implies. */
4797 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
4798 /* We also may have written the pts and the corresponding duration
4799 * in sidx/tfrf/tfxd tags; make sure the sidx pts and duration match up with
4800 * the next fragment. This means the cts of the first sample must
4801 * be the same in all fragments, unless end_pts was updated by
4802 * the packet causing the fragment to be written. */
4803 if ((mov->flags & FF_MOV_FLAG_DASH && !(mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)) ||
4804 mov->mode == MODE_ISM)
4805 pkt->pts = pkt->dts + trk->end_pts - trk->cluster[trk->entry].dts;
4807 /* New fragment, but discontinuous from previous fragments.
4808 * Pretend the duration sum of the earlier fragments is
4809 * pkt->dts - trk->start_dts. */
4810 trk->frag_start = pkt->dts - trk->start_dts;
4811 trk->end_pts = AV_NOPTS_VALUE;
4812 trk->frag_discont = 0;
4816 if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !mov->use_editlist &&
4817 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO) {
4818 /* Not using edit lists and shifting the first track to start from zero.
4819 * If the other streams start from a later timestamp, we won't be able
4820 * to signal the difference in starting time without an edit list.
4821 * Thus move the timestamp for this first sample to 0, increasing
4822 * its duration instead. */
4823 trk->cluster[trk->entry].dts = trk->start_dts = 0;
4825 if (trk->start_dts == AV_NOPTS_VALUE) {
4826 trk->start_dts = pkt->dts;
4827 if (trk->frag_discont) {
4828 if (mov->use_editlist) {
4829 /* Pretend the whole stream started at pts=0, with earlier fragments
4830 * already written. If the stream started at pts=0, the duration sum
4831 * of earlier fragments would have been pkt->pts. */
4832 trk->frag_start = pkt->pts;
4833 trk->start_dts = pkt->dts - pkt->pts;
4835 /* Pretend the whole stream started at dts=0, with earlier fragments
4836 * already written, with a duration summing up to pkt->dts. */
4837 trk->frag_start = pkt->dts;
4840 trk->frag_discont = 0;
4841 } else if (pkt->dts && mov->moov_written)
4842 av_log(s, AV_LOG_WARNING,
4843 "Track %d starts with a nonzero dts %"PRId64", while the moov "
4844 "already has been written. Set the delay_moov flag to handle "
4846 pkt->stream_index, pkt->dts);
4848 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
4849 trk->last_sample_is_subtitle_end = 0;
4851 if (pkt->pts == AV_NOPTS_VALUE) {
4852 av_log(s, AV_LOG_WARNING, "pts has no value\n");
4853 pkt->pts = pkt->dts;
4855 if (pkt->dts != pkt->pts)
4856 trk->flags |= MOV_TRACK_CTTS;
4857 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
4858 trk->cluster[trk->entry].flags = 0;
4859 if (trk->start_cts == AV_NOPTS_VALUE)
4860 trk->start_cts = pkt->pts - pkt->dts;
4861 if (trk->end_pts == AV_NOPTS_VALUE)
4862 trk->end_pts = trk->cluster[trk->entry].dts +
4863 trk->cluster[trk->entry].cts + pkt->duration;
4865 trk->end_pts = FFMAX(trk->end_pts, trk->cluster[trk->entry].dts +
4866 trk->cluster[trk->entry].cts +
4869 if (par->codec_id == AV_CODEC_ID_VC1) {
4870 mov_parse_vc1_frame(pkt, trk);
4871 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
4872 if (mov->mode == MODE_MOV && par->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
4873 trk->entry > 0) { // force sync sample for the first key frame
4874 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
4875 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
4876 trk->flags |= MOV_TRACK_STPS;
4878 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
4880 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
4881 trk->has_keyframes++;
4884 trk->sample_count += samples_in_chunk;
4885 mov->mdat_size += size;
4887 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
4888 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
4889 reformatted_data, size);
4894 av_free(reformatted_data);
4898 static int mov_write_single_packet(AVFormatContext *s, AVPacket *pkt)
4900 MOVMuxContext *mov = s->priv_data;
4901 MOVTrack *trk = &mov->tracks[pkt->stream_index];
4902 AVCodecParameters *par = trk->par;
4903 int64_t frag_duration = 0;
4904 int size = pkt->size;
4906 if (mov->flags & FF_MOV_FLAG_FRAG_DISCONT) {
4908 for (i = 0; i < s->nb_streams; i++)
4909 mov->tracks[i].frag_discont = 1;
4910 mov->flags &= ~FF_MOV_FLAG_FRAG_DISCONT;
4914 if (trk->start_dts == AV_NOPTS_VALUE && trk->frag_discont) {
4915 trk->start_dts = pkt->dts;
4916 if (pkt->pts != AV_NOPTS_VALUE)
4917 trk->start_cts = pkt->pts - pkt->dts;
4922 return 0; /* Discard 0 sized packets */
4925 if (trk->entry && pkt->stream_index < s->nb_streams)
4926 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
4927 s->streams[pkt->stream_index]->time_base,
4929 if ((mov->max_fragment_duration &&
4930 frag_duration >= mov->max_fragment_duration) ||
4931 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
4932 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
4933 par->codec_type == AVMEDIA_TYPE_VIDEO &&
4934 trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) {
4935 if (frag_duration >= mov->min_fragment_duration) {
4936 // Set the duration of this track to line up with the next
4937 // sample in this track. This avoids relying on AVPacket
4938 // duration, but only helps for this particular track, not
4939 // for the other ones that are flushed at the same time.
4940 trk->track_duration = pkt->dts - trk->start_dts;
4941 if (pkt->pts != AV_NOPTS_VALUE)
4942 trk->end_pts = pkt->pts;
4944 trk->end_pts = pkt->dts;
4945 trk->end_reliable = 1;
4946 mov_auto_flush_fragment(s, 0);
4950 return ff_mov_write_packet(s, pkt);
4953 static int mov_write_subtitle_end_packet(AVFormatContext *s,
4957 uint8_t data[2] = {0};
4960 av_init_packet(&end);
4961 end.size = sizeof(data);
4966 end.stream_index = stream_index;
4968 ret = mov_write_single_packet(s, &end);
4969 av_packet_unref(&end);
4974 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
4977 mov_flush_fragment(s, 1);
4981 MOVMuxContext *mov = s->priv_data;
4982 MOVTrack *trk = &mov->tracks[pkt->stream_index];
4985 return mov_write_single_packet(s, pkt); /* Passthrough. */
4988 * Subtitles require special handling.
4990 * 1) For full complaince, every track must have a sample at
4991 * dts == 0, which is rarely true for subtitles. So, as soon
4992 * as we see any packet with dts > 0, write an empty subtitle
4993 * at dts == 0 for any subtitle track with no samples in it.
4995 * 2) For each subtitle track, check if the current packet's
4996 * dts is past the duration of the last subtitle sample. If
4997 * so, we now need to write an end sample for that subtitle.
4999 * This must be done conditionally to allow for subtitles that
5000 * immediately replace each other, in which case an end sample
5001 * is not needed, and is, in fact, actively harmful.
5003 * 3) See mov_write_trailer for how the final end sample is
5006 for (i = 0; i < mov->nb_streams; i++) {
5007 MOVTrack *trk = &mov->tracks[i];
5010 if (trk->par->codec_id == AV_CODEC_ID_MOV_TEXT &&
5011 trk->track_duration < pkt->dts &&
5012 (trk->entry == 0 || !trk->last_sample_is_subtitle_end)) {
5013 ret = mov_write_subtitle_end_packet(s, i, trk->track_duration);
5014 if (ret < 0) return ret;
5015 trk->last_sample_is_subtitle_end = 1;
5019 if (trk->mode == MODE_MOV && trk->par->codec_type == AVMEDIA_TYPE_VIDEO) {
5020 AVPacket *opkt = pkt;
5021 int reshuffle_ret, ret;
5022 if (trk->is_unaligned_qt_rgb) {
5023 int64_t bpc = trk->par->bits_per_coded_sample != 15 ? trk->par->bits_per_coded_sample : 16;
5024 int expected_stride = ((trk->par->width * bpc + 15) >> 4)*2;
5025 reshuffle_ret = ff_reshuffle_raw_rgb(s, &pkt, trk->par, expected_stride);
5026 if (reshuffle_ret < 0)
5027 return reshuffle_ret;
5030 if (trk->par->format == AV_PIX_FMT_PAL8 && !trk->pal_done) {
5031 ret = ff_get_packet_palette(s, opkt, reshuffle_ret, trk->palette);
5036 } else if (trk->par->codec_id == AV_CODEC_ID_RAWVIDEO &&
5037 (trk->par->format == AV_PIX_FMT_GRAY8 ||
5038 trk->par->format == AV_PIX_FMT_MONOBLACK)) {
5039 for (i = 0; i < pkt->size; i++)
5040 pkt->data[i] = ~pkt->data[i];
5042 if (reshuffle_ret) {
5043 ret = mov_write_single_packet(s, pkt);
5046 av_packet_free(&pkt);
5051 return mov_write_single_packet(s, pkt);
5055 // QuickTime chapters involve an additional text track with the chapter names
5056 // as samples, and a tref pointing from the other tracks to the chapter one.
5057 static int mov_create_chapter_track(AVFormatContext *s, int tracknum)
5061 MOVMuxContext *mov = s->priv_data;
5062 MOVTrack *track = &mov->tracks[tracknum];
5063 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
5066 track->mode = mov->mode;
5067 track->tag = MKTAG('t','e','x','t');
5068 track->timescale = MOV_TIMESCALE;
5069 track->par = avcodec_parameters_alloc();
5071 return AVERROR(ENOMEM);
5072 track->par->codec_type = AVMEDIA_TYPE_SUBTITLE;
5074 // These properties are required to make QT recognize the chapter track
5075 uint8_t chapter_properties[43] = { 0, 0, 0, 0, 0, 0, 0, 1, };
5076 if (ff_alloc_extradata(track->par, sizeof(chapter_properties)))
5077 return AVERROR(ENOMEM);
5078 memcpy(track->par->extradata, chapter_properties, sizeof(chapter_properties));
5080 if (avio_open_dyn_buf(&pb) >= 0) {
5084 /* Stub header (usually for Quicktime chapter track) */
5086 avio_wb32(pb, 0x01); // displayFlags
5087 avio_w8(pb, 0x00); // horizontal justification
5088 avio_w8(pb, 0x00); // vertical justification
5089 avio_w8(pb, 0x00); // bgColourRed
5090 avio_w8(pb, 0x00); // bgColourGreen
5091 avio_w8(pb, 0x00); // bgColourBlue
5092 avio_w8(pb, 0x00); // bgColourAlpha
5094 avio_wb16(pb, 0x00); // defTextBoxTop
5095 avio_wb16(pb, 0x00); // defTextBoxLeft
5096 avio_wb16(pb, 0x00); // defTextBoxBottom
5097 avio_wb16(pb, 0x00); // defTextBoxRight
5099 avio_wb16(pb, 0x00); // startChar
5100 avio_wb16(pb, 0x00); // endChar
5101 avio_wb16(pb, 0x01); // fontID
5102 avio_w8(pb, 0x00); // fontStyleFlags
5103 avio_w8(pb, 0x00); // fontSize
5104 avio_w8(pb, 0x00); // fgColourRed
5105 avio_w8(pb, 0x00); // fgColourGreen
5106 avio_w8(pb, 0x00); // fgColourBlue
5107 avio_w8(pb, 0x00); // fgColourAlpha
5109 avio_wb32(pb, 0x0D); // box size
5110 ffio_wfourcc(pb, "ftab"); // box atom name
5111 avio_wb16(pb, 0x01); // entry count
5113 avio_wb16(pb, 0x01); // font ID
5114 avio_w8(pb, 0x00); // font name length
5116 if ((size = avio_close_dyn_buf(pb, &buf)) > 0) {
5117 track->par->extradata = buf;
5118 track->par->extradata_size = size;
5125 for (i = 0; i < s->nb_chapters; i++) {
5126 AVChapter *c = s->chapters[i];
5127 AVDictionaryEntry *t;
5129 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
5130 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
5131 pkt.duration = end - pkt.dts;
5133 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
5134 static const char encd[12] = {
5135 0x00, 0x00, 0x00, 0x0C,
5137 0x00, 0x00, 0x01, 0x00 };
5138 len = strlen(t->value);
5139 pkt.size = len + 2 + 12;
5140 pkt.data = av_malloc(pkt.size);
5142 return AVERROR(ENOMEM);
5143 AV_WB16(pkt.data, len);
5144 memcpy(pkt.data + 2, t->value, len);
5145 memcpy(pkt.data + len + 2, encd, sizeof(encd));
5146 ff_mov_write_packet(s, &pkt);
5147 av_freep(&pkt.data);
5155 static int mov_check_timecode_track(AVFormatContext *s, AVTimecode *tc, int src_index, const char *tcstr)
5159 /* compute the frame number */
5160 ret = av_timecode_init_from_string(tc, find_fps(s, s->streams[src_index]), tcstr, s);
5164 static int mov_create_timecode_track(AVFormatContext *s, int index, int src_index, AVTimecode tc)
5167 MOVMuxContext *mov = s->priv_data;
5168 MOVTrack *track = &mov->tracks[index];
5169 AVStream *src_st = s->streams[src_index];
5170 AVPacket pkt = {.stream_index = index, .flags = AV_PKT_FLAG_KEY, .size = 4};
5171 AVRational rate = find_fps(s, src_st);
5173 /* tmcd track based on video stream */
5174 track->mode = mov->mode;
5175 track->tag = MKTAG('t','m','c','d');
5176 track->src_track = src_index;
5177 track->timescale = mov->tracks[src_index].timescale;
5178 if (tc.flags & AV_TIMECODE_FLAG_DROPFRAME)
5179 track->timecode_flags |= MOV_TIMECODE_FLAG_DROPFRAME;
5181 /* set st to src_st for metadata access*/
5184 /* encode context: tmcd data stream */
5185 track->par = avcodec_parameters_alloc();
5187 return AVERROR(ENOMEM);
5188 track->par->codec_type = AVMEDIA_TYPE_DATA;
5189 track->par->codec_tag = track->tag;
5190 track->st->avg_frame_rate = av_inv_q(rate);
5192 /* the tmcd track just contains one packet with the frame number */
5193 pkt.data = av_malloc(pkt.size);
5195 return AVERROR(ENOMEM);
5196 AV_WB32(pkt.data, tc.start);
5197 ret = ff_mov_write_packet(s, &pkt);
5203 * st->disposition controls the "enabled" flag in the tkhd tag.
5204 * QuickTime will not play a track if it is not enabled. So make sure
5205 * that one track of each type (audio, video, subtitle) is enabled.
5207 * Subtitles are special. For audio and video, setting "enabled" also
5208 * makes the track "default" (i.e. it is rendered when played). For
5209 * subtitles, an "enabled" subtitle is not rendered by default, but
5210 * if no subtitle is enabled, the subtitle menu in QuickTime will be
5213 static void enable_tracks(AVFormatContext *s)
5215 MOVMuxContext *mov = s->priv_data;
5217 int enabled[AVMEDIA_TYPE_NB];
5218 int first[AVMEDIA_TYPE_NB];
5220 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
5225 for (i = 0; i < s->nb_streams; i++) {
5226 AVStream *st = s->streams[i];
5228 if (st->codecpar->codec_type <= AVMEDIA_TYPE_UNKNOWN ||
5229 st->codecpar->codec_type >= AVMEDIA_TYPE_NB)
5232 if (first[st->codecpar->codec_type] < 0)
5233 first[st->codecpar->codec_type] = i;
5234 if (st->disposition & AV_DISPOSITION_DEFAULT) {
5235 mov->tracks[i].flags |= MOV_TRACK_ENABLED;
5236 enabled[st->codecpar->codec_type]++;
5240 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
5242 case AVMEDIA_TYPE_VIDEO:
5243 case AVMEDIA_TYPE_AUDIO:
5244 case AVMEDIA_TYPE_SUBTITLE:
5246 mov->per_stream_grouping = 1;
5247 if (!enabled[i] && first[i] >= 0)
5248 mov->tracks[first[i]].flags |= MOV_TRACK_ENABLED;
5254 static void mov_free(AVFormatContext *s)
5256 MOVMuxContext *mov = s->priv_data;
5259 if (mov->chapter_track) {
5260 if (mov->tracks[mov->chapter_track].par)
5261 av_freep(&mov->tracks[mov->chapter_track].par->extradata);
5262 av_freep(&mov->tracks[mov->chapter_track].par);
5265 for (i = 0; i < mov->nb_streams; i++) {
5266 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
5267 ff_mov_close_hinting(&mov->tracks[i]);
5268 else if (mov->tracks[i].tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd)
5269 av_freep(&mov->tracks[i].par);
5270 av_freep(&mov->tracks[i].cluster);
5271 av_freep(&mov->tracks[i].frag_info);
5273 if (mov->tracks[i].vos_len)
5274 av_freep(&mov->tracks[i].vos_data);
5276 ff_mov_cenc_free(&mov->tracks[i].cenc);
5279 av_freep(&mov->tracks);
5282 static uint32_t rgb_to_yuv(uint32_t rgb)
5287 r = (rgb >> 16) & 0xFF;
5288 g = (rgb >> 8) & 0xFF;
5291 y = av_clip_uint8(( 16000 + 257 * r + 504 * g + 98 * b)/1000);
5292 cb = av_clip_uint8((128000 - 148 * r - 291 * g + 439 * b)/1000);
5293 cr = av_clip_uint8((128000 + 439 * r - 368 * g - 71 * b)/1000);
5295 return (y << 16) | (cr << 8) | cb;
5298 static int mov_create_dvd_sub_decoder_specific_info(MOVTrack *track,
5301 int i, width = 720, height = 480;
5302 int have_palette = 0, have_size = 0;
5303 uint32_t palette[16];
5304 char *cur = st->codecpar->extradata;
5306 while (cur && *cur) {
5307 if (strncmp("palette:", cur, 8) == 0) {
5309 count = sscanf(cur + 8,
5310 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
5311 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
5312 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
5313 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32"",
5314 &palette[ 0], &palette[ 1], &palette[ 2], &palette[ 3],
5315 &palette[ 4], &palette[ 5], &palette[ 6], &palette[ 7],
5316 &palette[ 8], &palette[ 9], &palette[10], &palette[11],
5317 &palette[12], &palette[13], &palette[14], &palette[15]);
5319 for (i = 0; i < count; i++) {
5320 palette[i] = rgb_to_yuv(palette[i]);
5323 } else if (!strncmp("size:", cur, 5)) {
5324 sscanf(cur + 5, "%dx%d", &width, &height);
5327 if (have_palette && have_size)
5329 cur += strcspn(cur, "\n\r");
5330 cur += strspn(cur, "\n\r");
5333 track->vos_data = av_malloc(16*4);
5334 if (!track->vos_data)
5335 return AVERROR(ENOMEM);
5336 for (i = 0; i < 16; i++) {
5337 AV_WB32(track->vos_data + i * 4, palette[i]);
5339 track->vos_len = 16 * 4;
5341 st->codecpar->width = width;
5342 st->codecpar->height = track->height = height;
5347 static int mov_write_header(AVFormatContext *s)
5349 AVIOContext *pb = s->pb;
5350 MOVMuxContext *mov = s->priv_data;
5351 AVDictionaryEntry *t, *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
5352 int i, ret, hint_track = 0, tmcd_track = 0;
5356 /* Default mode == MP4 */
5357 mov->mode = MODE_MP4;
5360 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
5361 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
5362 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
5363 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
5364 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
5365 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
5366 else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V;
5369 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
5370 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV;
5372 /* Set the FRAGMENT flag if any of the fragmentation methods are
5374 if (mov->max_fragment_duration || mov->max_fragment_size ||
5375 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
5376 FF_MOV_FLAG_FRAG_KEYFRAME |
5377 FF_MOV_FLAG_FRAG_CUSTOM))
5378 mov->flags |= FF_MOV_FLAG_FRAGMENT;
5380 /* Set other implicit flags immediately */
5381 if (mov->mode == MODE_ISM)
5382 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
5383 FF_MOV_FLAG_FRAGMENT;
5384 if (mov->flags & FF_MOV_FLAG_DASH)
5385 mov->flags |= FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_EMPTY_MOOV |
5386 FF_MOV_FLAG_DEFAULT_BASE_MOOF;
5388 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
5389 mov->reserved_moov_size = -1;
5392 if (mov->use_editlist < 0) {
5393 mov->use_editlist = 1;
5394 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
5395 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
5396 // If we can avoid needing an edit list by shifting the
5397 // tracks, prefer that over (trying to) write edit lists
5398 // in fragmented output.
5399 if (s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO ||
5400 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO)
5401 mov->use_editlist = 0;
5404 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
5405 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV) && mov->use_editlist)
5406 av_log(s, AV_LOG_WARNING, "No meaningful edit list will be written when using empty_moov without delay_moov\n");
5408 if (!mov->use_editlist && s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO)
5409 s->avoid_negative_ts = AVFMT_AVOID_NEG_TS_MAKE_ZERO;
5411 /* Clear the omit_tfhd_offset flag if default_base_moof is set;
5412 * if the latter is set that's enough and omit_tfhd_offset doesn't
5413 * add anything extra on top of that. */
5414 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
5415 mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
5416 mov->flags &= ~FF_MOV_FLAG_OMIT_TFHD_OFFSET;
5418 if (mov->frag_interleave &&
5419 mov->flags & (FF_MOV_FLAG_OMIT_TFHD_OFFSET | FF_MOV_FLAG_SEPARATE_MOOF)) {
5420 av_log(s, AV_LOG_ERROR,
5421 "Sample interleaving in fragments is mutually exclusive with "
5422 "omit_tfhd_offset and separate_moof\n");
5423 return AVERROR(EINVAL);
5426 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
5427 * is enabled, we don't support non-seekable output at all. */
5428 if (!s->pb->seekable &&
5429 (!(mov->flags & FF_MOV_FLAG_FRAGMENT) || mov->ism_lookahead)) {
5430 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
5431 return AVERROR(EINVAL);
5434 if (!(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
5435 if ((ret = mov_write_identification(pb, s)) < 0)
5439 mov->nb_streams = s->nb_streams;
5440 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
5441 mov->chapter_track = mov->nb_streams++;
5443 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
5444 /* Add hint tracks for each audio and video stream */
5445 hint_track = mov->nb_streams;
5446 for (i = 0; i < s->nb_streams; i++) {
5447 AVStream *st = s->streams[i];
5448 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ||
5449 st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
5455 if (mov->mode == MODE_MOV || mov->mode == MODE_MP4) {
5456 tmcd_track = mov->nb_streams;
5458 /* +1 tmcd track for each video stream with a timecode */
5459 for (i = 0; i < s->nb_streams; i++) {
5460 AVStream *st = s->streams[i];
5462 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO &&
5463 (t || (t=av_dict_get(st->metadata, "timecode", NULL, 0)))) {
5465 ret = mov_check_timecode_track(s, &tc, i, t->value);
5467 mov->nb_meta_tmcd++;
5471 /* check if there is already a tmcd track to remux */
5472 if (mov->nb_meta_tmcd) {
5473 for (i = 0; i < s->nb_streams; i++) {
5474 AVStream *st = s->streams[i];
5475 if (st->codecpar->codec_tag == MKTAG('t','m','c','d')) {
5476 av_log(s, AV_LOG_WARNING, "You requested a copy of the original timecode track "
5477 "so timecode metadata are now ignored\n");
5478 mov->nb_meta_tmcd = 0;
5483 mov->nb_streams += mov->nb_meta_tmcd;
5486 // Reserve an extra stream for chapters for the case where chapters
5487 // are written in the trailer
5488 mov->tracks = av_mallocz_array((mov->nb_streams + 1), sizeof(*mov->tracks));
5490 return AVERROR(ENOMEM);
5492 if (mov->encryption_scheme_str != NULL && strcmp(mov->encryption_scheme_str, "none") != 0) {
5493 if (strcmp(mov->encryption_scheme_str, "cenc-aes-ctr") == 0) {
5494 mov->encryption_scheme = MOV_ENC_CENC_AES_CTR;
5496 if (mov->encryption_key_len != AES_CTR_KEY_SIZE) {
5497 av_log(s, AV_LOG_ERROR, "Invalid encryption key len %d expected %d\n",
5498 mov->encryption_key_len, AES_CTR_KEY_SIZE);
5499 ret = AVERROR(EINVAL);
5503 if (mov->encryption_kid_len != CENC_KID_SIZE) {
5504 av_log(s, AV_LOG_ERROR, "Invalid encryption kid len %d expected %d\n",
5505 mov->encryption_kid_len, CENC_KID_SIZE);
5506 ret = AVERROR(EINVAL);
5510 av_log(s, AV_LOG_ERROR, "unsupported encryption scheme %s\n",
5511 mov->encryption_scheme_str);
5512 ret = AVERROR(EINVAL);
5517 for (i = 0; i < s->nb_streams; i++) {
5518 AVStream *st= s->streams[i];
5519 MOVTrack *track= &mov->tracks[i];
5520 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
5523 track->par = st->codecpar;
5524 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
5525 if (track->language < 0)
5526 track->language = 0;
5527 track->mode = mov->mode;
5528 track->tag = mov_find_codec_tag(s, track);
5530 av_log(s, AV_LOG_ERROR, "Could not find tag for codec %s in stream #%d, "
5531 "codec not currently supported in container\n",
5532 avcodec_get_name(st->codecpar->codec_id), i);
5533 ret = AVERROR(EINVAL);
5536 /* If hinting of this track is enabled by a later hint track,
5537 * this is updated. */
5538 track->hint_track = -1;
5539 track->start_dts = AV_NOPTS_VALUE;
5540 track->start_cts = AV_NOPTS_VALUE;
5541 track->end_pts = AV_NOPTS_VALUE;
5542 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
5543 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
5544 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
5545 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
5546 if (st->codecpar->width != 720 || (st->codecpar->height != 608 && st->codecpar->height != 512)) {
5547 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
5548 ret = AVERROR(EINVAL);
5551 track->height = track->tag >> 24 == 'n' ? 486 : 576;
5553 if (mov->video_track_timescale) {
5554 track->timescale = mov->video_track_timescale;
5556 track->timescale = st->time_base.den;
5557 while(track->timescale < 10000)
5558 track->timescale *= 2;
5560 if (st->codecpar->width > 65535 || st->codecpar->height > 65535) {
5561 av_log(s, AV_LOG_ERROR, "Resolution %dx%d too large for mov/mp4\n", st->codecpar->width, st->codecpar->height);
5562 ret = AVERROR(EINVAL);
5565 if (track->mode == MODE_MOV && track->timescale > 100000)
5566 av_log(s, AV_LOG_WARNING,
5567 "WARNING codec timebase is very high. If duration is too long,\n"
5568 "file may not be playable by quicktime. Specify a shorter timebase\n"
5569 "or choose different container.\n");
5570 if (track->mode == MODE_MOV &&
5571 track->par->codec_id == AV_CODEC_ID_RAWVIDEO &&
5572 track->tag == MKTAG('r','a','w',' ')) {
5573 enum AVPixelFormat pix_fmt = track->par->format;
5574 if (pix_fmt == AV_PIX_FMT_NONE && track->par->bits_per_coded_sample == 1)
5575 pix_fmt = AV_PIX_FMT_MONOWHITE;
5576 track->is_unaligned_qt_rgb =
5577 pix_fmt == AV_PIX_FMT_RGB24 ||
5578 pix_fmt == AV_PIX_FMT_BGR24 ||
5579 pix_fmt == AV_PIX_FMT_PAL8 ||
5580 pix_fmt == AV_PIX_FMT_GRAY8 ||
5581 pix_fmt == AV_PIX_FMT_MONOWHITE ||
5582 pix_fmt == AV_PIX_FMT_MONOBLACK;
5584 if (track->mode == MODE_MP4 &&
5585 track->par->codec_id == AV_CODEC_ID_VP9) {
5586 if (s->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
5587 av_log(s, AV_LOG_ERROR,
5588 "VP9 in MP4 support is experimental, add "
5589 "'-strict %d' if you want to use it.\n",
5590 FF_COMPLIANCE_EXPERIMENTAL);
5591 ret = AVERROR_EXPERIMENTAL;
5595 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
5596 track->timescale = st->codecpar->sample_rate;
5597 if (!st->codecpar->frame_size && !av_get_bits_per_sample(st->codecpar->codec_id)) {
5598 av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i);
5599 track->audio_vbr = 1;
5600 }else if (st->codecpar->codec_id == AV_CODEC_ID_ADPCM_MS ||
5601 st->codecpar->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
5602 st->codecpar->codec_id == AV_CODEC_ID_ILBC){
5603 if (!st->codecpar->block_align) {
5604 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
5605 ret = AVERROR(EINVAL);
5608 track->sample_size = st->codecpar->block_align;
5609 }else if (st->codecpar->frame_size > 1){ /* assume compressed audio */
5610 track->audio_vbr = 1;
5612 track->sample_size = (av_get_bits_per_sample(st->codecpar->codec_id) >> 3) * st->codecpar->channels;
5614 if (st->codecpar->codec_id == AV_CODEC_ID_ILBC ||
5615 st->codecpar->codec_id == AV_CODEC_ID_ADPCM_IMA_QT) {
5616 track->audio_vbr = 1;
5618 if (track->mode != MODE_MOV &&
5619 track->par->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
5620 if (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL) {
5621 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not standard, to mux anyway set strict to -1\n",
5622 i, track->par->sample_rate);
5623 ret = AVERROR(EINVAL);
5626 av_log(s, AV_LOG_WARNING, "track %d: muxing mp3 at %dhz is not standard in MP4\n",
5627 i, track->par->sample_rate);
5630 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) {
5631 track->timescale = st->time_base.den;
5632 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_DATA) {
5633 track->timescale = st->time_base.den;
5635 track->timescale = MOV_TIMESCALE;
5638 track->height = st->codecpar->height;
5639 /* The ism specific timescale isn't mandatory, but is assumed by
5640 * some tools, such as mp4split. */
5641 if (mov->mode == MODE_ISM)
5642 track->timescale = 10000000;
5644 avpriv_set_pts_info(st, 64, 1, track->timescale);
5646 /* copy extradata if it exists */
5647 if (st->codecpar->extradata_size) {
5648 if (st->codecpar->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
5649 mov_create_dvd_sub_decoder_specific_info(track, st);
5650 else if (!TAG_IS_AVCI(track->tag) && st->codecpar->codec_id != AV_CODEC_ID_DNXHD) {
5651 track->vos_len = st->codecpar->extradata_size;
5652 track->vos_data = av_malloc(track->vos_len);
5653 if (!track->vos_data) {
5654 ret = AVERROR(ENOMEM);
5657 memcpy(track->vos_data, st->codecpar->extradata, track->vos_len);
5661 if (mov->encryption_scheme == MOV_ENC_CENC_AES_CTR) {
5662 ret = ff_mov_cenc_init(&track->cenc, mov->encryption_key,
5663 track->par->codec_id == AV_CODEC_ID_H264, s->flags & AVFMT_FLAG_BITEXACT);
5670 for (i = 0; i < s->nb_streams; i++) {
5672 AVStream *st= s->streams[i];
5673 MOVTrack *track= &mov->tracks[i];
5675 if (st->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ||
5676 track->par->channel_layout != AV_CH_LAYOUT_MONO)
5679 for (j = 0; j < s->nb_streams; j++) {
5680 AVStream *stj= s->streams[j];
5681 MOVTrack *trackj= &mov->tracks[j];
5685 if (stj->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ||
5686 trackj->par->channel_layout != AV_CH_LAYOUT_MONO ||
5687 trackj->language != track->language ||
5688 trackj->tag != track->tag
5691 track->multichannel_as_mono++;
5698 if (mov->reserved_moov_size){
5699 mov->reserved_header_pos = avio_tell(pb);
5700 if (mov->reserved_moov_size > 0)
5701 avio_skip(pb, mov->reserved_moov_size);
5704 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
5705 /* If no fragmentation options have been set, set a default. */
5706 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
5707 FF_MOV_FLAG_FRAG_CUSTOM)) &&
5708 !mov->max_fragment_duration && !mov->max_fragment_size)
5709 mov->flags |= FF_MOV_FLAG_FRAG_KEYFRAME;
5711 if (mov->flags & FF_MOV_FLAG_FASTSTART)
5712 mov->reserved_header_pos = avio_tell(pb);
5713 mov_write_mdat_tag(pb, mov);
5716 ff_parse_creation_time_metadata(s, &mov->time, 1);
5718 mov->time += 0x7C25B080; // 1970 based -> 1904 based
5720 if (mov->chapter_track)
5721 if ((ret = mov_create_chapter_track(s, mov->chapter_track)) < 0)
5724 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
5725 /* Initialize the hint tracks for each audio and video stream */
5726 for (i = 0; i < s->nb_streams; i++) {
5727 AVStream *st = s->streams[i];
5728 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ||
5729 st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
5730 if ((ret = ff_mov_init_hinting(s, hint_track, i)) < 0)
5737 if (mov->nb_meta_tmcd) {
5738 /* Initialize the tmcd tracks */
5739 for (i = 0; i < s->nb_streams; i++) {
5740 AVStream *st = s->streams[i];
5743 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
5746 t = av_dict_get(st->metadata, "timecode", NULL, 0);
5749 if (mov_check_timecode_track(s, &tc, i, t->value) < 0)
5751 if ((ret = mov_create_timecode_track(s, tmcd_track, i, tc)) < 0)
5760 if (mov->flags & FF_MOV_FLAG_ISML)
5761 mov_write_isml_manifest(pb, mov);
5763 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
5764 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
5765 if ((ret = mov_write_moov_tag(pb, mov, s)) < 0)
5768 mov->moov_written = 1;
5769 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
5770 mov->reserved_header_pos = avio_tell(pb);
5779 static int get_moov_size(AVFormatContext *s)
5782 AVIOContext *moov_buf;
5783 MOVMuxContext *mov = s->priv_data;
5785 if ((ret = ffio_open_null_buf(&moov_buf)) < 0)
5787 if ((ret = mov_write_moov_tag(moov_buf, mov, s)) < 0)
5789 return ffio_close_null_buf(moov_buf);
5792 static int get_sidx_size(AVFormatContext *s)
5796 MOVMuxContext *mov = s->priv_data;
5798 if ((ret = ffio_open_null_buf(&buf)) < 0)
5800 mov_write_sidx_tags(buf, mov, -1, 0);
5801 return ffio_close_null_buf(buf);
5805 * This function gets the moov size if moved to the top of the file: the chunk
5806 * offset table can switch between stco (32-bit entries) to co64 (64-bit
5807 * entries) when the moov is moved to the beginning, so the size of the moov
5808 * would change. It also updates the chunk offset tables.
5810 static int compute_moov_size(AVFormatContext *s)
5812 int i, moov_size, moov_size2;
5813 MOVMuxContext *mov = s->priv_data;
5815 moov_size = get_moov_size(s);
5819 for (i = 0; i < mov->nb_streams; i++)
5820 mov->tracks[i].data_offset += moov_size;
5822 moov_size2 = get_moov_size(s);
5826 /* if the size changed, we just switched from stco to co64 and need to
5827 * update the offsets */
5828 if (moov_size2 != moov_size)
5829 for (i = 0; i < mov->nb_streams; i++)
5830 mov->tracks[i].data_offset += moov_size2 - moov_size;
5835 static int compute_sidx_size(AVFormatContext *s)
5838 MOVMuxContext *mov = s->priv_data;
5840 sidx_size = get_sidx_size(s);
5844 for (i = 0; i < mov->nb_streams; i++)
5845 mov->tracks[i].data_offset += sidx_size;
5850 static int shift_data(AVFormatContext *s)
5852 int ret = 0, moov_size;
5853 MOVMuxContext *mov = s->priv_data;
5854 int64_t pos, pos_end = avio_tell(s->pb);
5855 uint8_t *buf, *read_buf[2];
5856 int read_buf_id = 0;
5858 AVIOContext *read_pb;
5860 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
5861 moov_size = compute_sidx_size(s);
5863 moov_size = compute_moov_size(s);
5867 buf = av_malloc(moov_size * 2);
5869 return AVERROR(ENOMEM);
5871 read_buf[1] = buf + moov_size;
5873 /* Shift the data: the AVIO context of the output can only be used for
5874 * writing, so we re-open the same output, but for reading. It also avoids
5875 * a read/seek/write/seek back and forth. */
5877 ret = s->io_open(s, &read_pb, s->filename, AVIO_FLAG_READ, NULL);
5879 av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for "
5880 "the second pass (faststart)\n", s->filename);
5884 /* mark the end of the shift to up to the last data we wrote, and get ready
5886 pos_end = avio_tell(s->pb);
5887 avio_seek(s->pb, mov->reserved_header_pos + moov_size, SEEK_SET);
5889 /* start reading at where the new moov will be placed */
5890 avio_seek(read_pb, mov->reserved_header_pos, SEEK_SET);
5891 pos = avio_tell(read_pb);
5893 #define READ_BLOCK do { \
5894 read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
5898 /* shift data by chunk of at most moov_size */
5903 n = read_size[read_buf_id];
5906 avio_write(s->pb, read_buf[read_buf_id], n);
5908 } while (pos < pos_end);
5909 ff_format_io_close(s, &read_pb);
5916 static int mov_write_trailer(AVFormatContext *s)
5918 MOVMuxContext *mov = s->priv_data;
5919 AVIOContext *pb = s->pb;
5925 * Before actually writing the trailer, make sure that there are no
5926 * dangling subtitles, that need a terminating sample.
5928 for (i = 0; i < mov->nb_streams; i++) {
5929 MOVTrack *trk = &mov->tracks[i];
5930 if (trk->par->codec_id == AV_CODEC_ID_MOV_TEXT &&
5931 !trk->last_sample_is_subtitle_end) {
5932 mov_write_subtitle_end_packet(s, i, trk->track_duration);
5933 trk->last_sample_is_subtitle_end = 1;
5937 // If there were no chapters when the header was written, but there
5938 // are chapters now, write them in the trailer. This only works
5939 // when we are not doing fragments.
5940 if (!mov->chapter_track && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
5941 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters) {
5942 mov->chapter_track = mov->nb_streams++;
5943 if ((res = mov_create_chapter_track(s, mov->chapter_track)) < 0)
5948 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
5949 moov_pos = avio_tell(pb);
5951 /* Write size of mdat tag */
5952 if (mov->mdat_size + 8 <= UINT32_MAX) {
5953 avio_seek(pb, mov->mdat_pos, SEEK_SET);
5954 avio_wb32(pb, mov->mdat_size + 8);
5956 /* overwrite 'wide' placeholder atom */
5957 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
5958 /* special value: real atom size will be 64 bit value after
5961 ffio_wfourcc(pb, "mdat");
5962 avio_wb64(pb, mov->mdat_size + 16);
5964 avio_seek(pb, mov->reserved_moov_size > 0 ? mov->reserved_header_pos : moov_pos, SEEK_SET);
5966 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
5967 av_log(s, AV_LOG_INFO, "Starting second pass: moving the moov atom to the beginning of the file\n");
5968 res = shift_data(s);
5971 avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
5972 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
5974 } else if (mov->reserved_moov_size > 0) {
5976 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
5978 size = mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_header_pos);
5980 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
5981 res = AVERROR(EINVAL);
5984 avio_wb32(pb, size);
5985 ffio_wfourcc(pb, "free");
5986 ffio_fill(pb, 0, size - 8);
5987 avio_seek(pb, moov_pos, SEEK_SET);
5989 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
5994 mov_auto_flush_fragment(s, 1);
5995 for (i = 0; i < mov->nb_streams; i++)
5996 mov->tracks[i].data_offset = 0;
5997 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX) {
5999 av_log(s, AV_LOG_INFO, "Starting second pass: inserting sidx atoms\n");
6000 res = shift_data(s);
6003 end = avio_tell(pb);
6004 avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
6005 mov_write_sidx_tags(pb, mov, -1, 0);
6006 avio_seek(pb, end, SEEK_SET);
6007 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_TRAILER);
6008 mov_write_mfra_tag(pb, mov);
6010 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_TRAILER);
6011 mov_write_mfra_tag(pb, mov);
6021 #if CONFIG_MOV_MUXER
6023 AVOutputFormat ff_mov_muxer = {
6025 .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
6026 .extensions = "mov",
6027 .priv_data_size = sizeof(MOVMuxContext),
6028 .audio_codec = AV_CODEC_ID_AAC,
6029 .video_codec = CONFIG_LIBX264_ENCODER ?
6030 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
6031 .write_header = mov_write_header,
6032 .write_packet = mov_write_packet,
6033 .write_trailer = mov_write_trailer,
6034 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6035 .codec_tag = (const AVCodecTag* const []){
6036 ff_codec_movvideo_tags, ff_codec_movaudio_tags, 0
6038 .priv_class = &mov_muxer_class,
6041 #if CONFIG_TGP_MUXER
6043 AVOutputFormat ff_tgp_muxer = {
6045 .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
6046 .extensions = "3gp",
6047 .priv_data_size = sizeof(MOVMuxContext),
6048 .audio_codec = AV_CODEC_ID_AMR_NB,
6049 .video_codec = AV_CODEC_ID_H263,
6050 .write_header = mov_write_header,
6051 .write_packet = mov_write_packet,
6052 .write_trailer = mov_write_trailer,
6053 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6054 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
6055 .priv_class = &tgp_muxer_class,
6058 #if CONFIG_MP4_MUXER
6060 AVOutputFormat ff_mp4_muxer = {
6062 .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
6063 .mime_type = "video/mp4",
6064 .extensions = "mp4",
6065 .priv_data_size = sizeof(MOVMuxContext),
6066 .audio_codec = AV_CODEC_ID_AAC,
6067 .video_codec = CONFIG_LIBX264_ENCODER ?
6068 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
6069 .write_header = mov_write_header,
6070 .write_packet = mov_write_packet,
6071 .write_trailer = mov_write_trailer,
6072 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6073 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
6074 .priv_class = &mp4_muxer_class,
6077 #if CONFIG_PSP_MUXER
6079 AVOutputFormat ff_psp_muxer = {
6081 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
6082 .extensions = "mp4,psp",
6083 .priv_data_size = sizeof(MOVMuxContext),
6084 .audio_codec = AV_CODEC_ID_AAC,
6085 .video_codec = CONFIG_LIBX264_ENCODER ?
6086 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
6087 .write_header = mov_write_header,
6088 .write_packet = mov_write_packet,
6089 .write_trailer = mov_write_trailer,
6090 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6091 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
6092 .priv_class = &psp_muxer_class,
6095 #if CONFIG_TG2_MUXER
6097 AVOutputFormat ff_tg2_muxer = {
6099 .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
6100 .extensions = "3g2",
6101 .priv_data_size = sizeof(MOVMuxContext),
6102 .audio_codec = AV_CODEC_ID_AMR_NB,
6103 .video_codec = AV_CODEC_ID_H263,
6104 .write_header = mov_write_header,
6105 .write_packet = mov_write_packet,
6106 .write_trailer = mov_write_trailer,
6107 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6108 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
6109 .priv_class = &tg2_muxer_class,
6112 #if CONFIG_IPOD_MUXER
6114 AVOutputFormat ff_ipod_muxer = {
6116 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
6117 .mime_type = "video/mp4",
6118 .extensions = "m4v,m4a",
6119 .priv_data_size = sizeof(MOVMuxContext),
6120 .audio_codec = AV_CODEC_ID_AAC,
6121 .video_codec = AV_CODEC_ID_H264,
6122 .write_header = mov_write_header,
6123 .write_packet = mov_write_packet,
6124 .write_trailer = mov_write_trailer,
6125 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6126 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
6127 .priv_class = &ipod_muxer_class,
6130 #if CONFIG_ISMV_MUXER
6132 AVOutputFormat ff_ismv_muxer = {
6134 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
6135 .mime_type = "video/mp4",
6136 .extensions = "ismv,isma",
6137 .priv_data_size = sizeof(MOVMuxContext),
6138 .audio_codec = AV_CODEC_ID_AAC,
6139 .video_codec = AV_CODEC_ID_H264,
6140 .write_header = mov_write_header,
6141 .write_packet = mov_write_packet,
6142 .write_trailer = mov_write_trailer,
6143 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6144 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
6145 .priv_class = &ismv_muxer_class,
6148 #if CONFIG_F4V_MUXER
6150 AVOutputFormat ff_f4v_muxer = {
6152 .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
6153 .mime_type = "application/f4v",
6154 .extensions = "f4v",
6155 .priv_data_size = sizeof(MOVMuxContext),
6156 .audio_codec = AV_CODEC_ID_AAC,
6157 .video_codec = AV_CODEC_ID_H264,
6158 .write_header = mov_write_header,
6159 .write_packet = mov_write_packet,
6160 .write_trailer = mov_write_trailer,
6161 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
6162 .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 },
6163 .priv_class = &f4v_muxer_class,