3 * Copyright (c) 2003 Thomas Raivio
4 * Copyright (c) 2004 Gildas Bazin <gbazin at videolan dot org>
5 * Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
7 * This file is part of FFmpeg.
9 * FFmpeg is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
14 * FFmpeg is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with FFmpeg; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
29 #include "avio_internal.h"
34 #include "libavcodec/ac3_parser.h"
35 #include "libavcodec/dnxhddata.h"
36 #include "libavcodec/get_bits.h"
37 #include "libavcodec/put_bits.h"
38 #include "libavcodec/vc1_common.h"
39 #include "libavcodec/raw.h"
41 #include "libavutil/avstring.h"
42 #include "libavutil/intfloat.h"
43 #include "libavutil/mathematics.h"
44 #include "libavutil/libm.h"
45 #include "libavutil/opt.h"
46 #include "libavutil/dict.h"
47 #include "libavutil/pixdesc.h"
48 #include "libavutil/timecode.h"
49 #include "libavutil/color_utils.h"
55 static const AVOption options[] = {
56 { "movflags", "MOV muxer flags", offsetof(MOVMuxContext, flags), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
57 { "rtphint", "Add RTP hint tracks", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_RTP_HINT}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
58 { "moov_size", "maximum moov size so it can be placed at the begin", offsetof(MOVMuxContext, reserved_moov_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, 0 },
59 { "empty_moov", "Make the initial moov atom empty", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_EMPTY_MOOV}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
60 { "frag_keyframe", "Fragment at video keyframes", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FRAG_KEYFRAME}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
61 { "separate_moof", "Write separate moof/mdat atoms for each track", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_SEPARATE_MOOF}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
62 { "frag_custom", "Flush fragments on caller requests", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FRAG_CUSTOM}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
63 { "isml", "Create a live smooth streaming feed (for pushing to a publishing point)", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_ISML}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
64 { "faststart", "Run a second pass to put the index (moov atom) at the beginning of the file", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FASTSTART}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
65 { "omit_tfhd_offset", "Omit the base data offset in tfhd atoms", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_OMIT_TFHD_OFFSET}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
66 { "disable_chpl", "Disable Nero chapter atom", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_DISABLE_CHPL}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
67 { "default_base_moof", "Set the default-base-is-moof flag in tfhd atoms", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_DEFAULT_BASE_MOOF}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
68 { "dash", "Write DASH compatible fragmented MP4", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_DASH}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
69 { "frag_discont", "Signal that the next fragment is discontinuous from earlier ones", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FRAG_DISCONT}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
70 { "delay_moov", "Delay writing the initial moov until the first fragment is cut, or until the first fragment flush", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_DELAY_MOOV}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
71 { "global_sidx", "Write a global sidx index at the start of the file", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_GLOBAL_SIDX}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
72 { "write_colr", "Write colr atom (Experimental, may be renamed or changed, do not use from scripts)", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_WRITE_COLR}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
73 { "write_gama", "Write deprecated gama atom", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_WRITE_GAMA}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
74 { "use_metadata_tags", "Use mdta atom for metadata.", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_USE_MDTA}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
75 FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
76 { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
77 { "iods_audio_profile", "iods audio profile atom.", offsetof(MOVMuxContext, iods_audio_profile), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM},
78 { "iods_video_profile", "iods video profile atom.", offsetof(MOVMuxContext, iods_video_profile), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM},
79 { "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
80 { "min_frag_duration", "Minimum fragment duration", offsetof(MOVMuxContext, min_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
81 { "frag_size", "Maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
82 { "ism_lookahead", "Number of lookahead entries for ISM files", offsetof(MOVMuxContext, ism_lookahead), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
83 { "video_track_timescale", "set timescale of all video tracks", offsetof(MOVMuxContext, video_track_timescale), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
84 { "brand", "Override major brand", offsetof(MOVMuxContext, major_brand), AV_OPT_TYPE_STRING, {.str = NULL}, .flags = AV_OPT_FLAG_ENCODING_PARAM },
85 { "use_editlist", "use edit list", offsetof(MOVMuxContext, use_editlist), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM},
86 { "fragment_index", "Fragment number of the next fragment", offsetof(MOVMuxContext, fragments), AV_OPT_TYPE_INT, {.i64 = 1}, 1, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
87 { "mov_gamma", "gamma value for gama atom", offsetof(MOVMuxContext, gamma), AV_OPT_TYPE_FLOAT, {.dbl = 0.0 }, 0.0, 10, AV_OPT_FLAG_ENCODING_PARAM},
88 { "frag_interleave", "Interleave samples within fragments (max number of consecutive samples, lower is tighter interleaving, but with more overhead)", offsetof(MOVMuxContext, frag_interleave), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
89 { "encryption_scheme", "Configures the encryption scheme, allowed values are none, cenc-aes-ctr", offsetof(MOVMuxContext, encryption_scheme_str), AV_OPT_TYPE_STRING, {.str = NULL}, .flags = AV_OPT_FLAG_ENCODING_PARAM },
90 { "encryption_key", "The media encryption key (hex)", offsetof(MOVMuxContext, encryption_key), AV_OPT_TYPE_BINARY, .flags = AV_OPT_FLAG_ENCODING_PARAM },
91 { "encryption_kid", "The media encryption key identifier (hex)", offsetof(MOVMuxContext, encryption_kid), AV_OPT_TYPE_BINARY, .flags = AV_OPT_FLAG_ENCODING_PARAM },
92 { "use_stream_ids_as_track_ids", "use stream ids as track ids", offsetof(MOVMuxContext, use_stream_ids_as_track_ids), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
93 { "write_tmcd", "force or disable writing tmcd", offsetof(MOVMuxContext, write_tmcd), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM},
97 #define MOV_CLASS(flavor)\
98 static const AVClass flavor ## _muxer_class = {\
99 .class_name = #flavor " muxer",\
100 .item_name = av_default_item_name,\
102 .version = LIBAVUTIL_VERSION_INT,\
105 static int get_moov_size(AVFormatContext *s);
107 static int utf8len(const uint8_t *b)
112 GET_UTF8(val, *b++, return -1;)
118 //FIXME support 64 bit variant with wide placeholders
119 static int64_t update_size(AVIOContext *pb, int64_t pos)
121 int64_t curpos = avio_tell(pb);
122 avio_seek(pb, pos, SEEK_SET);
123 avio_wb32(pb, curpos - pos); /* rewrite size */
124 avio_seek(pb, curpos, SEEK_SET);
129 static int co64_required(const MOVTrack *track)
131 if (track->entry > 0 && track->cluster[track->entry - 1].pos + track->data_offset > UINT32_MAX)
136 /* Chunk offset atom */
137 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
140 int mode64 = co64_required(track); // use 32 bit size variant if possible
141 int64_t pos = avio_tell(pb);
142 avio_wb32(pb, 0); /* size */
144 ffio_wfourcc(pb, "co64");
146 ffio_wfourcc(pb, "stco");
147 avio_wb32(pb, 0); /* version & flags */
148 avio_wb32(pb, track->chunkCount); /* entry count */
149 for (i = 0; i < track->entry; i++) {
150 if (!track->cluster[i].chunkNum)
153 avio_wb64(pb, track->cluster[i].pos + track->data_offset);
155 avio_wb32(pb, track->cluster[i].pos + track->data_offset);
157 return update_size(pb, pos);
160 /* Sample size atom */
161 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
164 int i, j, entries = 0, tst = -1, oldtst = -1;
166 int64_t pos = avio_tell(pb);
167 avio_wb32(pb, 0); /* size */
168 ffio_wfourcc(pb, "stsz");
169 avio_wb32(pb, 0); /* version & flags */
171 for (i = 0; i < track->entry; i++) {
172 tst = track->cluster[i].size / track->cluster[i].entries;
173 if (oldtst != -1 && tst != oldtst)
176 entries += track->cluster[i].entries;
178 if (equalChunks && track->entry) {
179 int sSize = track->entry ? track->cluster[0].size / track->cluster[0].entries : 0;
180 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
181 avio_wb32(pb, sSize); // sample size
182 avio_wb32(pb, entries); // sample count
184 avio_wb32(pb, 0); // sample size
185 avio_wb32(pb, entries); // sample count
186 for (i = 0; i < track->entry; i++) {
187 for (j = 0; j < track->cluster[i].entries; j++) {
188 avio_wb32(pb, track->cluster[i].size /
189 track->cluster[i].entries);
193 return update_size(pb, pos);
196 /* Sample to chunk atom */
197 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
199 int index = 0, oldval = -1, i;
200 int64_t entryPos, curpos;
202 int64_t pos = avio_tell(pb);
203 avio_wb32(pb, 0); /* size */
204 ffio_wfourcc(pb, "stsc");
205 avio_wb32(pb, 0); // version & flags
206 entryPos = avio_tell(pb);
207 avio_wb32(pb, track->chunkCount); // entry count
208 for (i = 0; i < track->entry; i++) {
209 if (oldval != track->cluster[i].samples_in_chunk && track->cluster[i].chunkNum) {
210 avio_wb32(pb, track->cluster[i].chunkNum); // first chunk
211 avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
212 avio_wb32(pb, 0x1); // sample description index
213 oldval = track->cluster[i].samples_in_chunk;
217 curpos = avio_tell(pb);
218 avio_seek(pb, entryPos, SEEK_SET);
219 avio_wb32(pb, index); // rewrite size
220 avio_seek(pb, curpos, SEEK_SET);
222 return update_size(pb, pos);
225 /* Sync sample atom */
226 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
228 int64_t curpos, entryPos;
230 int64_t pos = avio_tell(pb);
231 avio_wb32(pb, 0); // size
232 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
233 avio_wb32(pb, 0); // version & flags
234 entryPos = avio_tell(pb);
235 avio_wb32(pb, track->entry); // entry count
236 for (i = 0; i < track->entry; i++) {
237 if (track->cluster[i].flags & flag) {
238 avio_wb32(pb, i + 1);
242 curpos = avio_tell(pb);
243 avio_seek(pb, entryPos, SEEK_SET);
244 avio_wb32(pb, index); // rewrite size
245 avio_seek(pb, curpos, SEEK_SET);
246 return update_size(pb, pos);
249 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
251 avio_wb32(pb, 0x11); /* size */
252 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
253 else ffio_wfourcc(pb, "damr");
254 ffio_wfourcc(pb, "FFMP");
255 avio_w8(pb, 0); /* decoder version */
257 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
258 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
259 avio_w8(pb, 0x01); /* Frames per sample */
263 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
268 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
270 if (track->vos_len < 7)
274 ffio_wfourcc(pb, "dac3");
276 init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
277 fscod = get_bits(&gbc, 2);
278 frmsizecod = get_bits(&gbc, 6);
279 bsid = get_bits(&gbc, 5);
280 bsmod = get_bits(&gbc, 3);
281 acmod = get_bits(&gbc, 3);
283 skip_bits(&gbc, 2); // dsurmod
285 if ((acmod & 1) && acmod != 1)
286 skip_bits(&gbc, 2); // cmixlev
288 skip_bits(&gbc, 2); // surmixlev
290 lfeon = get_bits1(&gbc);
292 init_put_bits(&pbc, buf, sizeof(buf));
293 put_bits(&pbc, 2, fscod);
294 put_bits(&pbc, 5, bsid);
295 put_bits(&pbc, 3, bsmod);
296 put_bits(&pbc, 3, acmod);
297 put_bits(&pbc, 1, lfeon);
298 put_bits(&pbc, 5, frmsizecod >> 1); // bit_rate_code
299 put_bits(&pbc, 5, 0); // reserved
301 flush_put_bits(&pbc);
302 avio_write(pb, buf, sizeof(buf));
312 /* Layout of the EC3SpecificBox */
313 /* maximum bitrate */
315 /* number of independent substreams */
318 /* sample rate code (see ff_ac3_sample_rate_tab) 2 bits */
320 /* bit stream identification 5 bits */
322 /* one bit reserved */
323 /* audio service mixing (not supported yet) 1 bit */
324 /* bit stream mode 3 bits */
326 /* audio coding mode 3 bits */
328 /* sub woofer on 1 bit */
330 /* 3 bits reserved */
331 /* number of dependent substreams associated with this substream 4 bits */
333 /* channel locations of the dependent substream(s), if any, 9 bits */
335 /* if there is no dependent substream, then one bit reserved instead */
336 } substream[1]; /* TODO: support 8 independent substreams */
339 #if CONFIG_AC3_PARSER
340 static int handle_eac3(MOVMuxContext *mov, AVPacket *pkt, MOVTrack *track)
343 AC3HeaderInfo tmp, *hdr = &tmp;
344 struct eac3_info *info;
347 if (!track->eac3_priv && !(track->eac3_priv = av_mallocz(sizeof(*info))))
348 return AVERROR(ENOMEM);
349 info = track->eac3_priv;
351 init_get_bits(&gbc, pkt->data, pkt->size * 8);
352 if (avpriv_ac3_parse_header(&gbc, &hdr) < 0) {
353 /* drop the packets until we see a good one */
355 av_log(mov, AV_LOG_WARNING, "Dropping invalid packet from start of the stream\n");
358 return AVERROR_INVALIDDATA;
361 info->data_rate = FFMAX(info->data_rate, hdr->bit_rate / 1000);
362 num_blocks = hdr->num_blocks;
364 if (!info->ec3_done) {
365 /* AC-3 substream must be the first one */
366 if (hdr->bitstream_id <= 10 && hdr->substreamid != 0)
367 return AVERROR(EINVAL);
369 /* this should always be the case, given that our AC-3 parser
370 * concatenates dependent frames to their independent parent */
371 if (hdr->frame_type == EAC3_FRAME_TYPE_INDEPENDENT) {
372 /* substream ids must be incremental */
373 if (hdr->substreamid > info->num_ind_sub + 1)
374 return AVERROR(EINVAL);
376 if (hdr->substreamid == info->num_ind_sub + 1) {
377 //info->num_ind_sub++;
378 avpriv_request_sample(track->par, "Multiple independent substreams");
379 return AVERROR_PATCHWELCOME;
380 } else if (hdr->substreamid < info->num_ind_sub ||
381 hdr->substreamid == 0 && info->substream[0].bsid) {
387 /* fill the info needed for the "dec3" atom */
388 info->substream[hdr->substreamid].fscod = hdr->sr_code;
389 info->substream[hdr->substreamid].bsid = hdr->bitstream_id;
390 info->substream[hdr->substreamid].bsmod = hdr->bitstream_mode;
391 info->substream[hdr->substreamid].acmod = hdr->channel_mode;
392 info->substream[hdr->substreamid].lfeon = hdr->lfe_on;
394 /* Parse dependent substream(s), if any */
395 if (pkt->size != hdr->frame_size) {
396 int cumul_size = hdr->frame_size;
397 int parent = hdr->substreamid;
399 while (cumul_size != pkt->size) {
401 init_get_bits(&gbc, pkt->data + cumul_size, (pkt->size - cumul_size) * 8);
402 if (avpriv_ac3_parse_header(&gbc, &hdr) < 0)
403 return AVERROR_INVALIDDATA;
404 if (hdr->frame_type != EAC3_FRAME_TYPE_DEPENDENT)
405 return AVERROR(EINVAL);
406 cumul_size += hdr->frame_size;
407 info->substream[parent].num_dep_sub++;
409 /* header is parsed up to lfeon, but custom channel map may be needed */
412 /* skip volume control params */
413 for (i = 0; i < (hdr->channel_mode ? 1 : 2); i++) {
414 skip_bits(&gbc, 5); // skip dialog normalization
415 if (get_bits1(&gbc)) {
416 skip_bits(&gbc, 8); // skip compression gain word
419 /* get the dependent stream channel map, if exists */
421 info->substream[parent].chan_loc |= (get_bits(&gbc, 16) >> 5) & 0x1f;
423 info->substream[parent].chan_loc |= hdr->channel_mode;
429 if (!info->num_blocks && num_blocks == 6)
431 else if (info->num_blocks + num_blocks > 6)
432 return AVERROR_INVALIDDATA;
434 if (!info->num_blocks) {
436 if ((ret = av_copy_packet(&info->pkt, pkt)) < 0)
438 info->num_blocks = num_blocks;
442 if ((ret = av_grow_packet(&info->pkt, pkt->size)) < 0)
444 memcpy(info->pkt.data + info->pkt.size - pkt->size, pkt->data, pkt->size);
445 info->num_blocks += num_blocks;
446 info->pkt.duration += pkt->duration;
447 if ((ret = av_copy_packet_side_data(&info->pkt, pkt)) < 0)
449 if (info->num_blocks != 6)
451 av_packet_unref(pkt);
452 if ((ret = av_copy_packet(pkt, &info->pkt)) < 0)
454 av_packet_unref(&info->pkt);
455 info->num_blocks = 0;
462 static int mov_write_eac3_tag(AVIOContext *pb, MOVTrack *track)
466 struct eac3_info *info;
469 if (!track->eac3_priv)
470 return AVERROR(EINVAL);
472 info = track->eac3_priv;
473 size = 2 + 4 * (info->num_ind_sub + 1);
474 buf = av_malloc(size);
476 size = AVERROR(ENOMEM);
480 init_put_bits(&pbc, buf, size);
481 put_bits(&pbc, 13, info->data_rate);
482 put_bits(&pbc, 3, info->num_ind_sub);
483 for (i = 0; i <= info->num_ind_sub; i++) {
484 put_bits(&pbc, 2, info->substream[i].fscod);
485 put_bits(&pbc, 5, info->substream[i].bsid);
486 put_bits(&pbc, 1, 0); /* reserved */
487 put_bits(&pbc, 1, 0); /* asvc */
488 put_bits(&pbc, 3, info->substream[i].bsmod);
489 put_bits(&pbc, 3, info->substream[i].acmod);
490 put_bits(&pbc, 1, info->substream[i].lfeon);
491 put_bits(&pbc, 5, 0); /* reserved */
492 put_bits(&pbc, 4, info->substream[i].num_dep_sub);
493 if (!info->substream[i].num_dep_sub) {
494 put_bits(&pbc, 1, 0); /* reserved */
497 put_bits(&pbc, 9, info->substream[i].chan_loc);
500 flush_put_bits(&pbc);
502 avio_wb32(pb, size + 8);
503 ffio_wfourcc(pb, "dec3");
504 avio_write(pb, buf, size);
509 av_packet_unref(&info->pkt);
510 av_freep(&track->eac3_priv);
516 * This function writes extradata "as is".
517 * Extradata must be formatted like a valid atom (with size and tag).
519 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
521 avio_write(pb, track->par->extradata, track->par->extradata_size);
522 return track->par->extradata_size;
525 static int mov_write_enda_tag(AVIOContext *pb)
528 ffio_wfourcc(pb, "enda");
529 avio_wb16(pb, 1); /* little endian */
533 static int mov_write_enda_tag_be(AVIOContext *pb)
536 ffio_wfourcc(pb, "enda");
537 avio_wb16(pb, 0); /* big endian */
541 static void put_descr(AVIOContext *pb, int tag, unsigned int size)
546 avio_w8(pb, (size >> (7 * i)) | 0x80);
547 avio_w8(pb, size & 0x7F);
550 static unsigned compute_avg_bitrate(MOVTrack *track)
554 if (!track->track_duration)
556 for (i = 0; i < track->entry; i++)
557 size += track->cluster[i].size;
558 return size * 8 * track->timescale / track->track_duration;
561 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
563 AVCPBProperties *props;
564 int64_t pos = avio_tell(pb);
565 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
566 unsigned avg_bitrate;
568 avio_wb32(pb, 0); // size
569 ffio_wfourcc(pb, "esds");
570 avio_wb32(pb, 0); // Version
573 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
574 avio_wb16(pb, track->track_id);
575 avio_w8(pb, 0x00); // flags (= no flags)
577 // DecoderConfig descriptor
578 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
580 // Object type indication
581 if ((track->par->codec_id == AV_CODEC_ID_MP2 ||
582 track->par->codec_id == AV_CODEC_ID_MP3) &&
583 track->par->sample_rate > 24000)
584 avio_w8(pb, 0x6B); // 11172-3
586 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->par->codec_id));
588 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
589 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
590 if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
591 avio_w8(pb, (0x38 << 2) | 1); // flags (= NeroSubpicStream)
592 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
593 avio_w8(pb, 0x15); // flags (= Audiostream)
595 avio_w8(pb, 0x11); // flags (= Visualstream)
597 props = (AVCPBProperties*)av_stream_get_side_data(track->st, AV_PKT_DATA_CPB_PROPERTIES,
600 avio_wb24(pb, props ? props->buffer_size / 8 : 0); // Buffersize DB
602 avg_bitrate = compute_avg_bitrate(track);
603 avio_wb32(pb, props ? FFMAX3(props->max_bitrate, props->avg_bitrate, avg_bitrate) : FFMAX(track->par->bit_rate, avg_bitrate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
604 avio_wb32(pb, avg_bitrate);
606 if (track->vos_len) {
607 // DecoderSpecific info descriptor
608 put_descr(pb, 0x05, track->vos_len);
609 avio_write(pb, track->vos_data, track->vos_len);
613 put_descr(pb, 0x06, 1);
615 return update_size(pb, pos);
618 static int mov_pcm_le_gt16(enum AVCodecID codec_id)
620 return codec_id == AV_CODEC_ID_PCM_S24LE ||
621 codec_id == AV_CODEC_ID_PCM_S32LE ||
622 codec_id == AV_CODEC_ID_PCM_F32LE ||
623 codec_id == AV_CODEC_ID_PCM_F64LE;
626 static int mov_pcm_be_gt16(enum AVCodecID codec_id)
628 return codec_id == AV_CODEC_ID_PCM_S24BE ||
629 codec_id == AV_CODEC_ID_PCM_S32BE ||
630 codec_id == AV_CODEC_ID_PCM_F32BE ||
631 codec_id == AV_CODEC_ID_PCM_F64BE;
634 static int mov_write_ms_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
637 int64_t pos = avio_tell(pb);
639 avio_wl32(pb, track->tag); // store it byteswapped
640 track->par->codec_tag = av_bswap16(track->tag >> 16);
641 if ((ret = ff_put_wav_header(s, pb, track->par, 0)) < 0)
643 return update_size(pb, pos);
646 static int mov_write_wfex_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
649 int64_t pos = avio_tell(pb);
651 ffio_wfourcc(pb, "wfex");
652 if ((ret = ff_put_wav_header(s, pb, track->st->codecpar, FF_PUT_WAV_HEADER_FORCE_WAVEFORMATEX)) < 0)
654 return update_size(pb, pos);
657 static int mov_write_chan_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
659 uint32_t layout_tag, bitmap;
660 int64_t pos = avio_tell(pb);
662 layout_tag = ff_mov_get_channel_layout_tag(track->par->codec_id,
663 track->par->channel_layout,
666 av_log(s, AV_LOG_WARNING, "not writing 'chan' tag due to "
667 "lack of channel information\n");
671 if (track->multichannel_as_mono)
674 avio_wb32(pb, 0); // Size
675 ffio_wfourcc(pb, "chan"); // Type
676 avio_w8(pb, 0); // Version
677 avio_wb24(pb, 0); // Flags
678 avio_wb32(pb, layout_tag); // mChannelLayoutTag
679 avio_wb32(pb, bitmap); // mChannelBitmap
680 avio_wb32(pb, 0); // mNumberChannelDescriptions
682 return update_size(pb, pos);
685 static int mov_write_wave_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
687 int64_t pos = avio_tell(pb);
689 avio_wb32(pb, 0); /* size */
690 ffio_wfourcc(pb, "wave");
692 if (track->par->codec_id != AV_CODEC_ID_QDM2) {
693 avio_wb32(pb, 12); /* size */
694 ffio_wfourcc(pb, "frma");
695 avio_wl32(pb, track->tag);
698 if (track->par->codec_id == AV_CODEC_ID_AAC) {
699 /* useless atom needed by mplayer, ipod, not needed by quicktime */
700 avio_wb32(pb, 12); /* size */
701 ffio_wfourcc(pb, "mp4a");
703 mov_write_esds_tag(pb, track);
704 } else if (mov_pcm_le_gt16(track->par->codec_id)) {
705 mov_write_enda_tag(pb);
706 } else if (mov_pcm_be_gt16(track->par->codec_id)) {
707 mov_write_enda_tag_be(pb);
708 } else if (track->par->codec_id == AV_CODEC_ID_AMR_NB) {
709 mov_write_amr_tag(pb, track);
710 } else if (track->par->codec_id == AV_CODEC_ID_AC3) {
711 mov_write_ac3_tag(pb, track);
712 } else if (track->par->codec_id == AV_CODEC_ID_EAC3) {
713 mov_write_eac3_tag(pb, track);
714 } else if (track->par->codec_id == AV_CODEC_ID_ALAC ||
715 track->par->codec_id == AV_CODEC_ID_QDM2) {
716 mov_write_extradata_tag(pb, track);
717 } else if (track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
718 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
719 mov_write_ms_tag(s, pb, track);
722 avio_wb32(pb, 8); /* size */
723 avio_wb32(pb, 0); /* null tag */
725 return update_size(pb, pos);
728 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
731 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
732 int unescaped_size, seq_found = 0;
733 int level = 0, interlace = 0;
734 int packet_seq = track->vc1_info.packet_seq;
735 int packet_entry = track->vc1_info.packet_entry;
736 int slices = track->vc1_info.slices;
739 if (track->start_dts == AV_NOPTS_VALUE) {
740 /* No packets written yet, vc1_info isn't authoritative yet. */
741 /* Assume inline sequence and entry headers. */
742 packet_seq = packet_entry = 1;
743 av_log(NULL, AV_LOG_WARNING,
744 "moov atom written before any packets, unable to write correct "
745 "dvc1 atom. Set the delay_moov flag to fix this.\n");
748 unescaped = av_mallocz(track->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
750 return AVERROR(ENOMEM);
751 start = find_next_marker(track->vos_data, end);
752 for (next = start; next < end; start = next) {
755 next = find_next_marker(start + 4, end);
756 size = next - start - 4;
759 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
760 init_get_bits(&gb, unescaped, 8 * unescaped_size);
761 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
762 int profile = get_bits(&gb, 2);
763 if (profile != PROFILE_ADVANCED) {
765 return AVERROR(ENOSYS);
768 level = get_bits(&gb, 3);
769 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
771 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
772 skip_bits(&gb, 1); /* broadcast */
773 interlace = get_bits1(&gb);
774 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
779 return AVERROR(ENOSYS);
782 init_put_bits(&pbc, buf, 7);
783 /* VC1DecSpecStruc */
784 put_bits(&pbc, 4, 12); /* profile - advanced */
785 put_bits(&pbc, 3, level);
786 put_bits(&pbc, 1, 0); /* reserved */
787 /* VC1AdvDecSpecStruc */
788 put_bits(&pbc, 3, level);
789 put_bits(&pbc, 1, 0); /* cbr */
790 put_bits(&pbc, 6, 0); /* reserved */
791 put_bits(&pbc, 1, !interlace); /* no interlace */
792 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
793 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
794 put_bits(&pbc, 1, !slices); /* no slice code */
795 put_bits(&pbc, 1, 0); /* no bframe */
796 put_bits(&pbc, 1, 0); /* reserved */
799 if (track->st->avg_frame_rate.num > 0 && track->st->avg_frame_rate.den > 0)
800 put_bits32(&pbc, track->st->avg_frame_rate.num / track->st->avg_frame_rate.den);
802 put_bits32(&pbc, 0xffffffff);
804 flush_put_bits(&pbc);
811 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
813 uint8_t buf[7] = { 0 };
816 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
819 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
820 ffio_wfourcc(pb, "dvc1");
821 avio_write(pb, buf, sizeof(buf));
822 avio_write(pb, track->vos_data, track->vos_len);
827 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
829 avio_wb32(pb, track->vos_len + 8);
830 ffio_wfourcc(pb, "glbl");
831 avio_write(pb, track->vos_data, track->vos_len);
832 return 8 + track->vos_len;
836 * Compute flags for 'lpcm' tag.
837 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
839 static int mov_get_lpcm_flags(enum AVCodecID codec_id)
842 case AV_CODEC_ID_PCM_F32BE:
843 case AV_CODEC_ID_PCM_F64BE:
845 case AV_CODEC_ID_PCM_F32LE:
846 case AV_CODEC_ID_PCM_F64LE:
848 case AV_CODEC_ID_PCM_U8:
850 case AV_CODEC_ID_PCM_S16BE:
851 case AV_CODEC_ID_PCM_S24BE:
852 case AV_CODEC_ID_PCM_S32BE:
854 case AV_CODEC_ID_PCM_S8:
855 case AV_CODEC_ID_PCM_S16LE:
856 case AV_CODEC_ID_PCM_S24LE:
857 case AV_CODEC_ID_PCM_S32LE:
864 static int get_cluster_duration(MOVTrack *track, int cluster_idx)
868 if (cluster_idx >= track->entry)
871 if (cluster_idx + 1 == track->entry)
872 next_dts = track->track_duration + track->start_dts;
874 next_dts = track->cluster[cluster_idx + 1].dts;
876 next_dts -= track->cluster[cluster_idx].dts;
878 av_assert0(next_dts >= 0);
879 av_assert0(next_dts <= INT_MAX);
884 static int get_samples_per_packet(MOVTrack *track)
886 int i, first_duration;
888 // return track->par->frame_size;
890 /* use 1 for raw PCM */
891 if (!track->audio_vbr)
894 /* check to see if duration is constant for all clusters */
897 first_duration = get_cluster_duration(track, 0);
898 for (i = 1; i < track->entry; i++) {
899 if (get_cluster_duration(track, i) != first_duration)
902 return first_duration;
905 static int mov_write_audio_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
907 int64_t pos = avio_tell(pb);
909 uint32_t tag = track->tag;
911 if (track->mode == MODE_MOV) {
912 if (track->timescale > UINT16_MAX) {
913 if (mov_get_lpcm_flags(track->par->codec_id))
914 tag = AV_RL32("lpcm");
916 } else if (track->audio_vbr || mov_pcm_le_gt16(track->par->codec_id) ||
917 mov_pcm_be_gt16(track->par->codec_id) ||
918 track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
919 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
920 track->par->codec_id == AV_CODEC_ID_QDM2) {
925 avio_wb32(pb, 0); /* size */
926 if (mov->encryption_scheme != MOV_ENC_NONE) {
927 ffio_wfourcc(pb, "enca");
929 avio_wl32(pb, tag); // store it byteswapped
931 avio_wb32(pb, 0); /* Reserved */
932 avio_wb16(pb, 0); /* Reserved */
933 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
935 /* SoundDescription */
936 avio_wb16(pb, version); /* Version */
937 avio_wb16(pb, 0); /* Revision level */
938 avio_wb32(pb, 0); /* Reserved */
943 avio_wb16(pb, 0xfffe);
945 avio_wb32(pb, 0x00010000);
947 avio_wb64(pb, av_double2int(track->par->sample_rate));
948 avio_wb32(pb, track->par->channels);
949 avio_wb32(pb, 0x7F000000);
950 avio_wb32(pb, av_get_bits_per_sample(track->par->codec_id));
951 avio_wb32(pb, mov_get_lpcm_flags(track->par->codec_id));
952 avio_wb32(pb, track->sample_size);
953 avio_wb32(pb, get_samples_per_packet(track));
955 if (track->mode == MODE_MOV) {
956 avio_wb16(pb, track->par->channels);
957 if (track->par->codec_id == AV_CODEC_ID_PCM_U8 ||
958 track->par->codec_id == AV_CODEC_ID_PCM_S8)
959 avio_wb16(pb, 8); /* bits per sample */
960 else if (track->par->codec_id == AV_CODEC_ID_ADPCM_G726)
961 avio_wb16(pb, track->par->bits_per_coded_sample);
964 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
965 } else { /* reserved for mp4/3gp */
971 avio_wb16(pb, 0); /* packet size (= 0) */
972 avio_wb16(pb, track->par->sample_rate <= UINT16_MAX ?
973 track->par->sample_rate : 0);
974 avio_wb16(pb, 0); /* Reserved */
977 if (version == 1) { /* SoundDescription V1 extended info */
978 if (mov_pcm_le_gt16(track->par->codec_id) ||
979 mov_pcm_be_gt16(track->par->codec_id))
980 avio_wb32(pb, 1); /* must be 1 for uncompressed formats */
982 avio_wb32(pb, track->par->frame_size); /* Samples per packet */
983 avio_wb32(pb, track->sample_size / track->par->channels); /* Bytes per packet */
984 avio_wb32(pb, track->sample_size); /* Bytes per frame */
985 avio_wb32(pb, 2); /* Bytes per sample */
988 if (track->mode == MODE_MOV &&
989 (track->par->codec_id == AV_CODEC_ID_AAC ||
990 track->par->codec_id == AV_CODEC_ID_AC3 ||
991 track->par->codec_id == AV_CODEC_ID_EAC3 ||
992 track->par->codec_id == AV_CODEC_ID_AMR_NB ||
993 track->par->codec_id == AV_CODEC_ID_ALAC ||
994 track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
995 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
996 track->par->codec_id == AV_CODEC_ID_QDM2 ||
997 (mov_pcm_le_gt16(track->par->codec_id) && version==1) ||
998 (mov_pcm_be_gt16(track->par->codec_id) && version==1)))
999 mov_write_wave_tag(s, pb, track);
1000 else if (track->tag == MKTAG('m','p','4','a'))
1001 mov_write_esds_tag(pb, track);
1002 else if (track->par->codec_id == AV_CODEC_ID_AMR_NB)
1003 mov_write_amr_tag(pb, track);
1004 else if (track->par->codec_id == AV_CODEC_ID_AC3)
1005 mov_write_ac3_tag(pb, track);
1006 else if (track->par->codec_id == AV_CODEC_ID_EAC3)
1007 mov_write_eac3_tag(pb, track);
1008 else if (track->par->codec_id == AV_CODEC_ID_ALAC)
1009 mov_write_extradata_tag(pb, track);
1010 else if (track->par->codec_id == AV_CODEC_ID_WMAPRO)
1011 mov_write_wfex_tag(s, pb, track);
1012 else if (track->vos_len > 0)
1013 mov_write_glbl_tag(pb, track);
1015 if (track->mode == MODE_MOV && track->par->codec_type == AVMEDIA_TYPE_AUDIO)
1016 mov_write_chan_tag(s, pb, track);
1018 if (mov->encryption_scheme != MOV_ENC_NONE) {
1019 ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid);
1022 return update_size(pb, pos);
1025 static int mov_write_d263_tag(AVIOContext *pb)
1027 avio_wb32(pb, 0xf); /* size */
1028 ffio_wfourcc(pb, "d263");
1029 ffio_wfourcc(pb, "FFMP");
1030 avio_w8(pb, 0); /* decoder version */
1031 /* FIXME use AVCodecContext level/profile, when encoder will set values */
1032 avio_w8(pb, 0xa); /* level */
1033 avio_w8(pb, 0); /* profile */
1037 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
1039 int64_t pos = avio_tell(pb);
1042 ffio_wfourcc(pb, "avcC");
1043 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
1044 return update_size(pb, pos);
1047 static int mov_write_vpcc_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
1049 int64_t pos = avio_tell(pb);
1052 ffio_wfourcc(pb, "vpcC");
1053 avio_wb32(pb, 0); /* version & flags */
1054 ff_isom_write_vpcc(s, pb, track->par);
1055 return update_size(pb, pos);
1058 static int mov_write_hvcc_tag(AVIOContext *pb, MOVTrack *track)
1060 int64_t pos = avio_tell(pb);
1063 ffio_wfourcc(pb, "hvcC");
1064 ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 0);
1065 return update_size(pb, pos);
1068 /* also used by all avid codecs (dv, imx, meridien) and their variants */
1069 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
1075 if (track->vos_data && track->vos_len > 0x29) {
1076 if (ff_dnxhd_parse_header_prefix(track->vos_data) != 0) {
1077 /* looks like a DNxHD bit stream */
1078 interlaced = (track->vos_data[5] & 2);
1079 cid = AV_RB32(track->vos_data + 0x28);
1081 av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream in vos_data\n");
1085 av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream, vos_data too small\n");
1089 avio_wb32(pb, 24); /* size */
1090 ffio_wfourcc(pb, "ACLR");
1091 ffio_wfourcc(pb, "ACLR");
1092 ffio_wfourcc(pb, "0001");
1093 if (track->par->color_range == AVCOL_RANGE_MPEG || /* Legal range (16-235) */
1094 track->par->color_range == AVCOL_RANGE_UNSPECIFIED) {
1095 avio_wb32(pb, 1); /* Corresponds to 709 in official encoder */
1096 } else { /* Full range (0-255) */
1097 avio_wb32(pb, 2); /* Corresponds to RGB in official encoder */
1099 avio_wb32(pb, 0); /* unknown */
1101 if (track->tag == MKTAG('A','V','d','h')) {
1103 ffio_wfourcc(pb, "ADHR");
1104 ffio_wfourcc(pb, "0001");
1106 avio_wb32(pb, 0); /* unknown */
1107 avio_wb32(pb, 1); /* unknown */
1108 avio_wb32(pb, 0); /* unknown */
1109 avio_wb32(pb, 0); /* unknown */
1113 avio_wb32(pb, 24); /* size */
1114 ffio_wfourcc(pb, "APRG");
1115 ffio_wfourcc(pb, "APRG");
1116 ffio_wfourcc(pb, "0001");
1117 avio_wb32(pb, 1); /* unknown */
1118 avio_wb32(pb, 0); /* unknown */
1120 avio_wb32(pb, 120); /* size */
1121 ffio_wfourcc(pb, "ARES");
1122 ffio_wfourcc(pb, "ARES");
1123 ffio_wfourcc(pb, "0001");
1124 avio_wb32(pb, cid); /* dnxhd cid, some id ? */
1125 avio_wb32(pb, track->par->width);
1126 /* values below are based on samples created with quicktime and avid codecs */
1128 avio_wb32(pb, track->par->height / 2);
1129 avio_wb32(pb, 2); /* unknown */
1130 avio_wb32(pb, 0); /* unknown */
1131 avio_wb32(pb, 4); /* unknown */
1133 avio_wb32(pb, track->par->height);
1134 avio_wb32(pb, 1); /* unknown */
1135 avio_wb32(pb, 0); /* unknown */
1136 if (track->par->height == 1080)
1137 avio_wb32(pb, 5); /* unknown */
1139 avio_wb32(pb, 6); /* unknown */
1142 for (i = 0; i < 10; i++)
1148 static int mov_write_dpxe_tag(AVIOContext *pb, MOVTrack *track)
1151 ffio_wfourcc(pb, "DpxE");
1152 if (track->par->extradata_size >= 12 &&
1153 !memcmp(&track->par->extradata[4], "DpxE", 4)) {
1154 avio_wb32(pb, track->par->extradata[11]);
1161 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1163 int tag = track->par->codec_tag;
1165 if (!ff_codec_get_tag(ff_mp4_obj_type, track->par->codec_id))
1168 if (track->par->codec_id == AV_CODEC_ID_H264) tag = MKTAG('a','v','c','1');
1169 else if (track->par->codec_id == AV_CODEC_ID_HEVC) tag = MKTAG('h','e','v','1');
1170 else if (track->par->codec_id == AV_CODEC_ID_VP9) tag = MKTAG('v','p','0','9');
1171 else if (track->par->codec_id == AV_CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
1172 else if (track->par->codec_id == AV_CODEC_ID_EAC3) tag = MKTAG('e','c','-','3');
1173 else if (track->par->codec_id == AV_CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
1174 else if (track->par->codec_id == AV_CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
1175 else if (track->par->codec_id == AV_CODEC_ID_VC1) tag = MKTAG('v','c','-','1');
1176 else if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
1177 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
1178 else if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE) tag = MKTAG('m','p','4','s');
1183 static const AVCodecTag codec_ipod_tags[] = {
1184 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
1185 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
1186 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
1187 { AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') },
1188 { AV_CODEC_ID_AC3, MKTAG('a','c','-','3') },
1189 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
1190 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
1191 { AV_CODEC_ID_NONE, 0 },
1194 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1196 int tag = track->par->codec_tag;
1198 // keep original tag for subs, ipod supports both formats
1199 if (!(track->par->codec_type == AVMEDIA_TYPE_SUBTITLE &&
1200 (tag == MKTAG('t', 'x', '3', 'g') ||
1201 tag == MKTAG('t', 'e', 'x', 't'))))
1202 tag = ff_codec_get_tag(codec_ipod_tags, track->par->codec_id);
1204 if (!av_match_ext(s->filename, "m4a") &&
1205 !av_match_ext(s->filename, "m4b") &&
1206 !av_match_ext(s->filename, "m4v"))
1207 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a, .m4v nor .m4b "
1208 "Quicktime/Ipod might not play the file\n");
1213 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
1217 if (track->par->width == 720) { /* SD */
1218 if (track->par->height == 480) { /* NTSC */
1219 if (track->par->format == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
1220 else tag = MKTAG('d','v','c',' ');
1221 }else if (track->par->format == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
1222 else if (track->par->format == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
1223 else tag = MKTAG('d','v','p','p');
1224 } else if (track->par->height == 720) { /* HD 720 line */
1225 if (track->st->time_base.den == 50) tag = MKTAG('d','v','h','q');
1226 else tag = MKTAG('d','v','h','p');
1227 } else if (track->par->height == 1080) { /* HD 1080 line */
1228 if (track->st->time_base.den == 25) tag = MKTAG('d','v','h','5');
1229 else tag = MKTAG('d','v','h','6');
1231 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
1238 static AVRational find_fps(AVFormatContext *s, AVStream *st)
1240 AVRational rate = st->avg_frame_rate;
1242 #if FF_API_LAVF_AVCTX
1243 FF_DISABLE_DEPRECATION_WARNINGS
1244 rate = av_inv_q(st->codec->time_base);
1245 if (av_timecode_check_frame_rate(rate) < 0) {
1246 av_log(s, AV_LOG_DEBUG, "timecode: tbc=%d/%d invalid, fallback on %d/%d\n",
1247 rate.num, rate.den, st->avg_frame_rate.num, st->avg_frame_rate.den);
1248 rate = st->avg_frame_rate;
1250 FF_ENABLE_DEPRECATION_WARNINGS
1256 static int mov_get_mpeg2_xdcam_codec_tag(AVFormatContext *s, MOVTrack *track)
1258 int tag = track->par->codec_tag;
1259 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1260 AVStream *st = track->st;
1261 int rate = av_q2d(find_fps(s, st));
1264 tag = MKTAG('m', '2', 'v', '1'); //fallback tag
1266 if (track->par->format == AV_PIX_FMT_YUV420P) {
1267 if (track->par->width == 1280 && track->par->height == 720) {
1269 if (rate == 24) tag = MKTAG('x','d','v','4');
1270 else if (rate == 25) tag = MKTAG('x','d','v','5');
1271 else if (rate == 30) tag = MKTAG('x','d','v','1');
1272 else if (rate == 50) tag = MKTAG('x','d','v','a');
1273 else if (rate == 60) tag = MKTAG('x','d','v','9');
1275 } else if (track->par->width == 1440 && track->par->height == 1080) {
1277 if (rate == 24) tag = MKTAG('x','d','v','6');
1278 else if (rate == 25) tag = MKTAG('x','d','v','7');
1279 else if (rate == 30) tag = MKTAG('x','d','v','8');
1281 if (rate == 25) tag = MKTAG('x','d','v','3');
1282 else if (rate == 30) tag = MKTAG('x','d','v','2');
1284 } else if (track->par->width == 1920 && track->par->height == 1080) {
1286 if (rate == 24) tag = MKTAG('x','d','v','d');
1287 else if (rate == 25) tag = MKTAG('x','d','v','e');
1288 else if (rate == 30) tag = MKTAG('x','d','v','f');
1290 if (rate == 25) tag = MKTAG('x','d','v','c');
1291 else if (rate == 30) tag = MKTAG('x','d','v','b');
1294 } else if (track->par->format == AV_PIX_FMT_YUV422P) {
1295 if (track->par->width == 1280 && track->par->height == 720) {
1297 if (rate == 24) tag = MKTAG('x','d','5','4');
1298 else if (rate == 25) tag = MKTAG('x','d','5','5');
1299 else if (rate == 30) tag = MKTAG('x','d','5','1');
1300 else if (rate == 50) tag = MKTAG('x','d','5','a');
1301 else if (rate == 60) tag = MKTAG('x','d','5','9');
1303 } else if (track->par->width == 1920 && track->par->height == 1080) {
1305 if (rate == 24) tag = MKTAG('x','d','5','d');
1306 else if (rate == 25) tag = MKTAG('x','d','5','e');
1307 else if (rate == 30) tag = MKTAG('x','d','5','f');
1309 if (rate == 25) tag = MKTAG('x','d','5','c');
1310 else if (rate == 30) tag = MKTAG('x','d','5','b');
1318 static int mov_get_h264_codec_tag(AVFormatContext *s, MOVTrack *track)
1320 int tag = track->par->codec_tag;
1321 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1322 AVStream *st = track->st;
1323 int rate = av_q2d(find_fps(s, st));
1326 tag = MKTAG('a', 'v', 'c', 'i'); //fallback tag
1328 if (track->par->format == AV_PIX_FMT_YUV420P10) {
1329 if (track->par->width == 960 && track->par->height == 720) {
1331 if (rate == 24) tag = MKTAG('a','i','5','p');
1332 else if (rate == 25) tag = MKTAG('a','i','5','q');
1333 else if (rate == 30) tag = MKTAG('a','i','5','p');
1334 else if (rate == 50) tag = MKTAG('a','i','5','q');
1335 else if (rate == 60) tag = MKTAG('a','i','5','p');
1337 } else if (track->par->width == 1440 && track->par->height == 1080) {
1339 if (rate == 24) tag = MKTAG('a','i','5','3');
1340 else if (rate == 25) tag = MKTAG('a','i','5','2');
1341 else if (rate == 30) tag = MKTAG('a','i','5','3');
1343 if (rate == 50) tag = MKTAG('a','i','5','5');
1344 else if (rate == 60) tag = MKTAG('a','i','5','6');
1347 } else if (track->par->format == AV_PIX_FMT_YUV422P10) {
1348 if (track->par->width == 1280 && track->par->height == 720) {
1350 if (rate == 24) tag = MKTAG('a','i','1','p');
1351 else if (rate == 25) tag = MKTAG('a','i','1','q');
1352 else if (rate == 30) tag = MKTAG('a','i','1','p');
1353 else if (rate == 50) tag = MKTAG('a','i','1','q');
1354 else if (rate == 60) tag = MKTAG('a','i','1','p');
1356 } else if (track->par->width == 1920 && track->par->height == 1080) {
1358 if (rate == 24) tag = MKTAG('a','i','1','3');
1359 else if (rate == 25) tag = MKTAG('a','i','1','2');
1360 else if (rate == 30) tag = MKTAG('a','i','1','3');
1362 if (rate == 25) tag = MKTAG('a','i','1','5');
1363 else if (rate == 50) tag = MKTAG('a','i','1','5');
1364 else if (rate == 60) tag = MKTAG('a','i','1','6');
1366 } else if ( track->par->width == 4096 && track->par->height == 2160
1367 || track->par->width == 3840 && track->par->height == 2160
1368 || track->par->width == 2048 && track->par->height == 1080) {
1369 tag = MKTAG('a','i','v','x');
1376 static const struct {
1377 enum AVPixelFormat pix_fmt;
1380 } mov_pix_fmt_tags[] = {
1381 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','2'), 0 },
1382 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
1383 { AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
1384 { AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
1385 { AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
1386 { AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
1387 { AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
1388 { AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
1389 { AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
1390 { AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
1391 { AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
1392 { AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
1393 { AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
1394 { AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
1395 { AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
1398 static int mov_get_dnxhd_codec_tag(AVFormatContext *s, MOVTrack *track)
1400 int tag = MKTAG('A','V','d','n');
1401 if (track->par->profile != FF_PROFILE_UNKNOWN &&
1402 track->par->profile != FF_PROFILE_DNXHD)
1403 tag = MKTAG('A','V','d','h');
1407 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
1409 int tag = track->par->codec_tag;
1411 enum AVPixelFormat pix_fmt;
1413 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
1414 if (track->par->format == mov_pix_fmt_tags[i].pix_fmt) {
1415 tag = mov_pix_fmt_tags[i].tag;
1416 track->par->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
1417 if (track->par->codec_tag == mov_pix_fmt_tags[i].tag)
1422 pix_fmt = avpriv_find_pix_fmt(avpriv_pix_fmt_bps_mov,
1423 track->par->bits_per_coded_sample);
1424 if (tag == MKTAG('r','a','w',' ') &&
1425 track->par->format != pix_fmt &&
1426 track->par->format != AV_PIX_FMT_NONE)
1427 av_log(s, AV_LOG_ERROR, "%s rawvideo cannot be written to mov, output file will be unreadable\n",
1428 av_get_pix_fmt_name(track->par->format));
1432 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1434 int tag = track->par->codec_tag;
1436 if (!tag || (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
1437 (track->par->codec_id == AV_CODEC_ID_DVVIDEO ||
1438 track->par->codec_id == AV_CODEC_ID_RAWVIDEO ||
1439 track->par->codec_id == AV_CODEC_ID_H263 ||
1440 track->par->codec_id == AV_CODEC_ID_H264 ||
1441 track->par->codec_id == AV_CODEC_ID_DNXHD ||
1442 track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO ||
1443 av_get_bits_per_sample(track->par->codec_id)))) { // pcm audio
1444 if (track->par->codec_id == AV_CODEC_ID_DVVIDEO)
1445 tag = mov_get_dv_codec_tag(s, track);
1446 else if (track->par->codec_id == AV_CODEC_ID_RAWVIDEO)
1447 tag = mov_get_rawvideo_codec_tag(s, track);
1448 else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO)
1449 tag = mov_get_mpeg2_xdcam_codec_tag(s, track);
1450 else if (track->par->codec_id == AV_CODEC_ID_H264)
1451 tag = mov_get_h264_codec_tag(s, track);
1452 else if (track->par->codec_id == AV_CODEC_ID_DNXHD)
1453 tag = mov_get_dnxhd_codec_tag(s, track);
1454 else if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
1455 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->par->codec_id);
1456 if (!tag) { // if no mac fcc found, try with Microsoft tags
1457 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->par->codec_id);
1459 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
1460 "the file may be unplayable!\n");
1462 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
1463 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->par->codec_id);
1464 if (!tag) { // if no mac fcc found, try with Microsoft tags
1465 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->par->codec_id);
1467 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
1468 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
1469 "the file may be unplayable!\n");
1472 } else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)
1473 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->par->codec_id);
1479 static const AVCodecTag codec_3gp_tags[] = {
1480 { AV_CODEC_ID_H263, MKTAG('s','2','6','3') },
1481 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
1482 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
1483 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
1484 { AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
1485 { AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
1486 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
1487 { AV_CODEC_ID_NONE, 0 },
1490 static const AVCodecTag codec_f4v_tags[] = { // XXX: add GIF/PNG/JPEG?
1491 { AV_CODEC_ID_MP3, MKTAG('.','m','p','3') },
1492 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
1493 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
1494 { AV_CODEC_ID_VP6A, MKTAG('V','P','6','A') },
1495 { AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') },
1496 { AV_CODEC_ID_NONE, 0 },
1499 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
1503 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
1504 tag = mp4_get_codec_tag(s, track);
1505 else if (track->mode == MODE_ISM) {
1506 tag = mp4_get_codec_tag(s, track);
1507 if (!tag && track->par->codec_id == AV_CODEC_ID_WMAPRO)
1508 tag = MKTAG('w', 'm', 'a', ' ');
1509 } else if (track->mode == MODE_IPOD)
1510 tag = ipod_get_codec_tag(s, track);
1511 else if (track->mode & MODE_3GP)
1512 tag = ff_codec_get_tag(codec_3gp_tags, track->par->codec_id);
1513 else if (track->mode == MODE_F4V)
1514 tag = ff_codec_get_tag(codec_f4v_tags, track->par->codec_id);
1516 tag = mov_get_codec_tag(s, track);
1521 /** Write uuid atom.
1522 * Needed to make file play in iPods running newest firmware
1523 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
1525 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
1528 ffio_wfourcc(pb, "uuid");
1529 avio_wb32(pb, 0x6b6840f2);
1530 avio_wb32(pb, 0x5f244fc5);
1531 avio_wb32(pb, 0xba39a51b);
1532 avio_wb32(pb, 0xcf0323f3);
1537 static const uint16_t fiel_data[] = {
1538 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
1541 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track, int field_order)
1543 unsigned mov_field_order = 0;
1544 if (field_order < FF_ARRAY_ELEMS(fiel_data))
1545 mov_field_order = fiel_data[field_order];
1549 ffio_wfourcc(pb, "fiel");
1550 avio_wb16(pb, mov_field_order);
1554 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
1556 int64_t pos = avio_tell(pb);
1557 avio_wb32(pb, 0); /* size */
1558 avio_wl32(pb, track->tag); // store it byteswapped
1559 avio_wb32(pb, 0); /* Reserved */
1560 avio_wb16(pb, 0); /* Reserved */
1561 avio_wb16(pb, 1); /* Data-reference index */
1563 if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
1564 mov_write_esds_tag(pb, track);
1565 else if (track->par->extradata_size)
1566 avio_write(pb, track->par->extradata, track->par->extradata_size);
1568 return update_size(pb, pos);
1571 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
1574 av_reduce(&sar.num, &sar.den, track->par->sample_aspect_ratio.num,
1575 track->par->sample_aspect_ratio.den, INT_MAX);
1578 ffio_wfourcc(pb, "pasp");
1579 avio_wb32(pb, sar.num);
1580 avio_wb32(pb, sar.den);
1584 static int mov_write_gama_tag(AVIOContext *pb, MOVTrack *track, double gamma)
1589 gamma = avpriv_get_gamma_from_trc(track->par->color_trc);
1591 av_log(pb, AV_LOG_DEBUG, "gamma value %g\n", gamma);
1594 gama = (uint32_t)lrint((double)(1<<16) * gamma);
1595 av_log(pb, AV_LOG_DEBUG, "writing gama value %d\n", gama);
1597 av_assert0(track->mode == MODE_MOV);
1599 ffio_wfourcc(pb, "gama");
1600 avio_wb32(pb, gama);
1604 av_log(pb, AV_LOG_WARNING, "gamma value unknown, unable to write gama atom\n");
1609 static int mov_write_colr_tag(AVIOContext *pb, MOVTrack *track)
1611 // Ref (MOV): https://developer.apple.com/library/mac/technotes/tn2162/_index.html#//apple_ref/doc/uid/DTS40013070-CH1-TNTAG9
1612 // Ref (MP4): ISO/IEC 14496-12:2012
1614 if (track->par->color_primaries == AVCOL_PRI_UNSPECIFIED &&
1615 track->par->color_trc == AVCOL_TRC_UNSPECIFIED &&
1616 track->par->color_space == AVCOL_SPC_UNSPECIFIED) {
1617 if ((track->par->width >= 1920 && track->par->height >= 1080)
1618 || (track->par->width == 1280 && track->par->height == 720)) {
1619 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming bt709\n");
1620 track->par->color_primaries = AVCOL_PRI_BT709;
1621 } else if (track->par->width == 720 && track->height == 576) {
1622 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming bt470bg\n");
1623 track->par->color_primaries = AVCOL_PRI_BT470BG;
1624 } else if (track->par->width == 720 &&
1625 (track->height == 486 || track->height == 480)) {
1626 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming smpte170\n");
1627 track->par->color_primaries = AVCOL_PRI_SMPTE170M;
1629 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, unable to assume anything\n");
1631 switch (track->par->color_primaries) {
1632 case AVCOL_PRI_BT709:
1633 track->par->color_trc = AVCOL_TRC_BT709;
1634 track->par->color_space = AVCOL_SPC_BT709;
1636 case AVCOL_PRI_SMPTE170M:
1637 case AVCOL_PRI_BT470BG:
1638 track->par->color_trc = AVCOL_TRC_BT709;
1639 track->par->color_space = AVCOL_SPC_SMPTE170M;
1644 /* We should only ever be called by MOV or MP4. */
1645 av_assert0(track->mode == MODE_MOV || track->mode == MODE_MP4);
1647 avio_wb32(pb, 18 + (track->mode == MODE_MP4));
1648 ffio_wfourcc(pb, "colr");
1649 if (track->mode == MODE_MP4)
1650 ffio_wfourcc(pb, "nclx");
1652 ffio_wfourcc(pb, "nclc");
1653 switch (track->par->color_primaries) {
1654 case AVCOL_PRI_BT709: avio_wb16(pb, 1); break;
1655 case AVCOL_PRI_SMPTE170M:
1656 case AVCOL_PRI_SMPTE240M: avio_wb16(pb, 6); break;
1657 case AVCOL_PRI_BT470BG: avio_wb16(pb, 5); break;
1658 default: avio_wb16(pb, 2);
1660 switch (track->par->color_trc) {
1661 case AVCOL_TRC_BT709: avio_wb16(pb, 1); break;
1662 case AVCOL_TRC_SMPTE170M: avio_wb16(pb, 1); break; // remapped
1663 case AVCOL_TRC_SMPTE240M: avio_wb16(pb, 7); break;
1664 default: avio_wb16(pb, 2);
1666 switch (track->par->color_space) {
1667 case AVCOL_SPC_BT709: avio_wb16(pb, 1); break;
1668 case AVCOL_SPC_BT470BG:
1669 case AVCOL_SPC_SMPTE170M: avio_wb16(pb, 6); break;
1670 case AVCOL_SPC_SMPTE240M: avio_wb16(pb, 7); break;
1671 default: avio_wb16(pb, 2);
1674 if (track->mode == MODE_MP4) {
1675 int full_range = track->par->color_range == AVCOL_RANGE_JPEG;
1676 avio_w8(pb, full_range << 7);
1683 static void find_compressor(char * compressor_name, int len, MOVTrack *track)
1685 AVDictionaryEntry *encoder;
1686 int xdcam_res = (track->par->width == 1280 && track->par->height == 720)
1687 || (track->par->width == 1440 && track->par->height == 1080)
1688 || (track->par->width == 1920 && track->par->height == 1080);
1690 if (track->mode == MODE_MOV &&
1691 (encoder = av_dict_get(track->st->metadata, "encoder", NULL, 0))) {
1692 av_strlcpy(compressor_name, encoder->value, 32);
1693 } else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO && xdcam_res) {
1694 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1695 AVStream *st = track->st;
1696 int rate = av_q2d(find_fps(NULL, st));
1697 av_strlcatf(compressor_name, len, "XDCAM");
1698 if (track->par->format == AV_PIX_FMT_YUV422P) {
1699 av_strlcatf(compressor_name, len, " HD422");
1700 } else if(track->par->width == 1440) {
1701 av_strlcatf(compressor_name, len, " HD");
1703 av_strlcatf(compressor_name, len, " EX");
1705 av_strlcatf(compressor_name, len, " %d%c", track->par->height, interlaced ? 'i' : 'p');
1707 av_strlcatf(compressor_name, len, "%d", rate * (interlaced + 1));
1711 static int mov_write_video_tag(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
1713 int64_t pos = avio_tell(pb);
1714 char compressor_name[32] = { 0 };
1717 avio_wb32(pb, 0); /* size */
1718 if (mov->encryption_scheme != MOV_ENC_NONE) {
1719 ffio_wfourcc(pb, "encv");
1721 avio_wl32(pb, track->tag); // store it byteswapped
1723 avio_wb32(pb, 0); /* Reserved */
1724 avio_wb16(pb, 0); /* Reserved */
1725 avio_wb16(pb, 1); /* Data-reference index */
1727 avio_wb16(pb, 0); /* Codec stream version */
1728 avio_wb16(pb, 0); /* Codec stream revision (=0) */
1729 if (track->mode == MODE_MOV) {
1730 ffio_wfourcc(pb, "FFMP"); /* Vendor */
1731 if (track->par->codec_id == AV_CODEC_ID_RAWVIDEO) {
1732 avio_wb32(pb, 0); /* Temporal Quality */
1733 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
1735 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
1736 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
1739 avio_wb32(pb, 0); /* Reserved */
1740 avio_wb32(pb, 0); /* Reserved */
1741 avio_wb32(pb, 0); /* Reserved */
1743 avio_wb16(pb, track->par->width); /* Video width */
1744 avio_wb16(pb, track->height); /* Video height */
1745 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
1746 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
1747 avio_wb32(pb, 0); /* Data size (= 0) */
1748 avio_wb16(pb, 1); /* Frame count (= 1) */
1750 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
1751 find_compressor(compressor_name, 32, track);
1752 avio_w8(pb, strlen(compressor_name));
1753 avio_write(pb, compressor_name, 31);
1755 if (track->mode == MODE_MOV && track->par->bits_per_coded_sample)
1756 avio_wb16(pb, track->par->bits_per_coded_sample |
1757 (track->par->format == AV_PIX_FMT_GRAY8 ? 0x20 : 0));
1759 avio_wb16(pb, 0x18); /* Reserved */
1761 if (track->mode == MODE_MOV && track->par->format == AV_PIX_FMT_PAL8) {
1762 int pal_size = 1 << track->par->bits_per_coded_sample;
1764 avio_wb16(pb, 0); /* Color table ID */
1765 avio_wb32(pb, 0); /* Color table seed */
1766 avio_wb16(pb, 0x8000); /* Color table flags */
1767 avio_wb16(pb, pal_size - 1); /* Color table size (zero-relative) */
1768 for (i = 0; i < pal_size; i++) {
1769 uint32_t rgb = track->palette[i];
1770 uint16_t r = (rgb >> 16) & 0xff;
1771 uint16_t g = (rgb >> 8) & 0xff;
1772 uint16_t b = rgb & 0xff;
1774 avio_wb16(pb, (r << 8) | r);
1775 avio_wb16(pb, (g << 8) | g);
1776 avio_wb16(pb, (b << 8) | b);
1779 avio_wb16(pb, 0xffff); /* Reserved */
1781 if (track->tag == MKTAG('m','p','4','v'))
1782 mov_write_esds_tag(pb, track);
1783 else if (track->par->codec_id == AV_CODEC_ID_H263)
1784 mov_write_d263_tag(pb);
1785 else if (track->par->codec_id == AV_CODEC_ID_AVUI ||
1786 track->par->codec_id == AV_CODEC_ID_SVQ3) {
1787 mov_write_extradata_tag(pb, track);
1789 } else if (track->par->codec_id == AV_CODEC_ID_DNXHD) {
1790 mov_write_avid_tag(pb, track);
1792 } else if (track->par->codec_id == AV_CODEC_ID_HEVC)
1793 mov_write_hvcc_tag(pb, track);
1794 else if (track->par->codec_id == AV_CODEC_ID_H264 && !TAG_IS_AVCI(track->tag)) {
1795 mov_write_avcc_tag(pb, track);
1796 if (track->mode == MODE_IPOD)
1797 mov_write_uuid_tag_ipod(pb);
1798 } else if (track->par->codec_id == AV_CODEC_ID_VP9) {
1799 mov_write_vpcc_tag(mov->fc, pb, track);
1800 } else if (track->par->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
1801 mov_write_dvc1_tag(pb, track);
1802 else if (track->par->codec_id == AV_CODEC_ID_VP6F ||
1803 track->par->codec_id == AV_CODEC_ID_VP6A) {
1804 /* Don't write any potential extradata here - the cropping
1805 * is signalled via the normal width/height fields. */
1806 } else if (track->par->codec_id == AV_CODEC_ID_R10K) {
1807 if (track->par->codec_tag == MKTAG('R','1','0','k'))
1808 mov_write_dpxe_tag(pb, track);
1809 } else if (track->vos_len > 0)
1810 mov_write_glbl_tag(pb, track);
1812 if (track->par->codec_id != AV_CODEC_ID_H264 &&
1813 track->par->codec_id != AV_CODEC_ID_MPEG4 &&
1814 track->par->codec_id != AV_CODEC_ID_DNXHD) {
1815 int field_order = track->par->field_order;
1817 #if FF_API_LAVF_AVCTX
1818 FF_DISABLE_DEPRECATION_WARNINGS
1819 if (field_order != track->st->codec->field_order && track->st->codec->field_order != AV_FIELD_UNKNOWN)
1820 field_order = track->st->codec->field_order;
1821 FF_ENABLE_DEPRECATION_WARNINGS
1824 if (field_order != AV_FIELD_UNKNOWN)
1825 mov_write_fiel_tag(pb, track, field_order);
1828 if (mov->flags & FF_MOV_FLAG_WRITE_GAMA) {
1829 if (track->mode == MODE_MOV)
1830 mov_write_gama_tag(pb, track, mov->gamma);
1832 av_log(mov->fc, AV_LOG_WARNING, "Not writing 'gama' atom. Format is not MOV.\n");
1834 if (mov->flags & FF_MOV_FLAG_WRITE_COLR) {
1835 if (track->mode == MODE_MOV || track->mode == MODE_MP4)
1836 mov_write_colr_tag(pb, track);
1838 av_log(mov->fc, AV_LOG_WARNING, "Not writing 'colr' atom. Format is not MOV or MP4.\n");
1841 if (track->par->sample_aspect_ratio.den && track->par->sample_aspect_ratio.num) {
1842 mov_write_pasp_tag(pb, track);
1845 if (mov->encryption_scheme != MOV_ENC_NONE) {
1846 ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid);
1849 /* extra padding for avid stsd */
1850 /* https://developer.apple.com/library/mac/documentation/QuickTime/QTFF/QTFFChap2/qtff2.html#//apple_ref/doc/uid/TP40000939-CH204-61112 */
1854 return update_size(pb, pos);
1857 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
1859 int64_t pos = avio_tell(pb);
1860 avio_wb32(pb, 0); /* size */
1861 ffio_wfourcc(pb, "rtp ");
1862 avio_wb32(pb, 0); /* Reserved */
1863 avio_wb16(pb, 0); /* Reserved */
1864 avio_wb16(pb, 1); /* Data-reference index */
1866 avio_wb16(pb, 1); /* Hint track version */
1867 avio_wb16(pb, 1); /* Highest compatible version */
1868 avio_wb32(pb, track->max_packet_size); /* Max packet size */
1870 avio_wb32(pb, 12); /* size */
1871 ffio_wfourcc(pb, "tims");
1872 avio_wb32(pb, track->timescale);
1874 return update_size(pb, pos);
1877 static int mov_write_source_reference_tag(AVIOContext *pb, MOVTrack *track, const char *reel_name)
1879 uint64_t str_size =strlen(reel_name);
1880 int64_t pos = avio_tell(pb);
1882 if (str_size >= UINT16_MAX){
1883 av_log(NULL, AV_LOG_ERROR, "reel_name length %"PRIu64" is too large\n", str_size);
1885 return AVERROR(EINVAL);
1888 avio_wb32(pb, 0); /* size */
1889 ffio_wfourcc(pb, "name"); /* Data format */
1890 avio_wb16(pb, str_size); /* string size */
1891 avio_wb16(pb, track->language); /* langcode */
1892 avio_write(pb, reel_name, str_size); /* reel name */
1893 return update_size(pb,pos);
1896 static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
1898 int64_t pos = avio_tell(pb);
1902 AVDictionaryEntry *t = NULL;
1904 if (!track->st->avg_frame_rate.num || !track->st->avg_frame_rate.den) {
1905 #if FF_API_LAVF_AVCTX
1906 FF_DISABLE_DEPRECATION_WARNINGS
1907 frame_duration = av_rescale(track->timescale, track->st->codec->time_base.num, track->st->codec->time_base.den);
1908 nb_frames = ROUNDED_DIV(track->st->codec->time_base.den, track->st->codec->time_base.num);
1909 FF_ENABLE_DEPRECATION_WARNINGS
1911 av_log(NULL, AV_LOG_ERROR, "avg_frame_rate not set for tmcd track.\n");
1912 return AVERROR(EINVAL);
1915 frame_duration = av_rescale(track->timescale, track->st->avg_frame_rate.num, track->st->avg_frame_rate.den);
1916 nb_frames = ROUNDED_DIV(track->st->avg_frame_rate.den, track->st->avg_frame_rate.num);
1919 if (nb_frames > 255) {
1920 av_log(NULL, AV_LOG_ERROR, "fps %d is too large\n", nb_frames);
1921 return AVERROR(EINVAL);
1924 avio_wb32(pb, 0); /* size */
1925 ffio_wfourcc(pb, "tmcd"); /* Data format */
1926 avio_wb32(pb, 0); /* Reserved */
1927 avio_wb32(pb, 1); /* Data reference index */
1928 avio_wb32(pb, 0); /* Flags */
1929 avio_wb32(pb, track->timecode_flags); /* Flags (timecode) */
1930 avio_wb32(pb, track->timescale); /* Timescale */
1931 avio_wb32(pb, frame_duration); /* Frame duration */
1932 avio_w8(pb, nb_frames); /* Number of frames */
1933 avio_w8(pb, 0); /* Reserved */
1935 t = av_dict_get(track->st->metadata, "reel_name", NULL, 0);
1936 if (t && utf8len(t->value) && track->mode != MODE_MP4)
1937 mov_write_source_reference_tag(pb, track, t->value);
1939 avio_wb16(pb, 0); /* zero size */
1942 avio_wb32(pb, 0); /* size */
1943 ffio_wfourcc(pb, "tmcd"); /* Data format */
1944 avio_wb32(pb, 0); /* Reserved */
1945 avio_wb32(pb, 1); /* Data reference index */
1946 if (track->par->extradata_size)
1947 avio_write(pb, track->par->extradata, track->par->extradata_size);
1949 return update_size(pb, pos);
1952 static int mov_write_stsd_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
1954 int64_t pos = avio_tell(pb);
1955 avio_wb32(pb, 0); /* size */
1956 ffio_wfourcc(pb, "stsd");
1957 avio_wb32(pb, 0); /* version & flags */
1958 avio_wb32(pb, 1); /* entry count */
1959 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO)
1960 mov_write_video_tag(pb, mov, track);
1961 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
1962 mov_write_audio_tag(s, pb, mov, track);
1963 else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)
1964 mov_write_subtitle_tag(pb, track);
1965 else if (track->par->codec_tag == MKTAG('r','t','p',' '))
1966 mov_write_rtp_tag(pb, track);
1967 else if (track->par->codec_tag == MKTAG('t','m','c','d'))
1968 mov_write_tmcd_tag(pb, track);
1969 return update_size(pb, pos);
1972 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
1974 MOVStts *ctts_entries;
1975 uint32_t entries = 0;
1979 ctts_entries = av_malloc_array((track->entry + 1), sizeof(*ctts_entries)); /* worst case */
1981 return AVERROR(ENOMEM);
1982 ctts_entries[0].count = 1;
1983 ctts_entries[0].duration = track->cluster[0].cts;
1984 for (i = 1; i < track->entry; i++) {
1985 if (track->cluster[i].cts == ctts_entries[entries].duration) {
1986 ctts_entries[entries].count++; /* compress */
1989 ctts_entries[entries].duration = track->cluster[i].cts;
1990 ctts_entries[entries].count = 1;
1993 entries++; /* last one */
1994 atom_size = 16 + (entries * 8);
1995 avio_wb32(pb, atom_size); /* size */
1996 ffio_wfourcc(pb, "ctts");
1997 avio_wb32(pb, 0); /* version & flags */
1998 avio_wb32(pb, entries); /* entry count */
1999 for (i = 0; i < entries; i++) {
2000 avio_wb32(pb, ctts_entries[i].count);
2001 avio_wb32(pb, ctts_entries[i].duration);
2003 av_free(ctts_entries);
2007 /* Time to sample atom */
2008 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
2010 MOVStts *stts_entries = NULL;
2011 uint32_t entries = -1;
2015 if (track->par->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
2016 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
2018 return AVERROR(ENOMEM);
2019 stts_entries[0].count = track->sample_count;
2020 stts_entries[0].duration = 1;
2024 stts_entries = av_malloc_array(track->entry, sizeof(*stts_entries)); /* worst case */
2026 return AVERROR(ENOMEM);
2028 for (i = 0; i < track->entry; i++) {
2029 int duration = get_cluster_duration(track, i);
2030 if (i && duration == stts_entries[entries].duration) {
2031 stts_entries[entries].count++; /* compress */
2034 stts_entries[entries].duration = duration;
2035 stts_entries[entries].count = 1;
2038 entries++; /* last one */
2040 atom_size = 16 + (entries * 8);
2041 avio_wb32(pb, atom_size); /* size */
2042 ffio_wfourcc(pb, "stts");
2043 avio_wb32(pb, 0); /* version & flags */
2044 avio_wb32(pb, entries); /* entry count */
2045 for (i = 0; i < entries; i++) {
2046 avio_wb32(pb, stts_entries[i].count);
2047 avio_wb32(pb, stts_entries[i].duration);
2049 av_free(stts_entries);
2053 static int mov_write_dref_tag(AVIOContext *pb)
2055 avio_wb32(pb, 28); /* size */
2056 ffio_wfourcc(pb, "dref");
2057 avio_wb32(pb, 0); /* version & flags */
2058 avio_wb32(pb, 1); /* entry count */
2060 avio_wb32(pb, 0xc); /* size */
2061 //FIXME add the alis and rsrc atom
2062 ffio_wfourcc(pb, "url ");
2063 avio_wb32(pb, 1); /* version & flags */
2068 static int mov_write_stbl_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2070 int64_t pos = avio_tell(pb);
2073 avio_wb32(pb, 0); /* size */
2074 ffio_wfourcc(pb, "stbl");
2075 mov_write_stsd_tag(s, pb, mov, track);
2076 mov_write_stts_tag(pb, track);
2077 if ((track->par->codec_type == AVMEDIA_TYPE_VIDEO ||
2078 track->par->codec_tag == MKTAG('r','t','p',' ')) &&
2079 track->has_keyframes && track->has_keyframes < track->entry)
2080 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
2081 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
2082 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
2083 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO &&
2084 track->flags & MOV_TRACK_CTTS && track->entry) {
2086 if ((ret = mov_write_ctts_tag(pb, track)) < 0)
2089 mov_write_stsc_tag(pb, track);
2090 mov_write_stsz_tag(pb, track);
2091 mov_write_stco_tag(pb, track);
2092 if (mov->encryption_scheme == MOV_ENC_CENC_AES_CTR) {
2093 ff_mov_cenc_write_stbl_atoms(&track->cenc, pb);
2095 return update_size(pb, pos);
2098 static int mov_write_dinf_tag(AVIOContext *pb)
2100 int64_t pos = avio_tell(pb);
2101 avio_wb32(pb, 0); /* size */
2102 ffio_wfourcc(pb, "dinf");
2103 mov_write_dref_tag(pb);
2104 return update_size(pb, pos);
2107 static int mov_write_nmhd_tag(AVIOContext *pb)
2110 ffio_wfourcc(pb, "nmhd");
2115 static int mov_write_tcmi_tag(AVIOContext *pb, MOVTrack *track)
2117 int64_t pos = avio_tell(pb);
2118 const char *font = "Lucida Grande";
2119 avio_wb32(pb, 0); /* size */
2120 ffio_wfourcc(pb, "tcmi"); /* timecode media information atom */
2121 avio_wb32(pb, 0); /* version & flags */
2122 avio_wb16(pb, 0); /* text font */
2123 avio_wb16(pb, 0); /* text face */
2124 avio_wb16(pb, 12); /* text size */
2125 avio_wb16(pb, 0); /* (unknown, not in the QT specs...) */
2126 avio_wb16(pb, 0x0000); /* text color (red) */
2127 avio_wb16(pb, 0x0000); /* text color (green) */
2128 avio_wb16(pb, 0x0000); /* text color (blue) */
2129 avio_wb16(pb, 0xffff); /* background color (red) */
2130 avio_wb16(pb, 0xffff); /* background color (green) */
2131 avio_wb16(pb, 0xffff); /* background color (blue) */
2132 avio_w8(pb, strlen(font)); /* font len (part of the pascal string) */
2133 avio_write(pb, font, strlen(font)); /* font name */
2134 return update_size(pb, pos);
2137 static int mov_write_gmhd_tag(AVIOContext *pb, MOVTrack *track)
2139 int64_t pos = avio_tell(pb);
2140 avio_wb32(pb, 0); /* size */
2141 ffio_wfourcc(pb, "gmhd");
2142 avio_wb32(pb, 0x18); /* gmin size */
2143 ffio_wfourcc(pb, "gmin");/* generic media info */
2144 avio_wb32(pb, 0); /* version & flags */
2145 avio_wb16(pb, 0x40); /* graphics mode = */
2146 avio_wb16(pb, 0x8000); /* opColor (r?) */
2147 avio_wb16(pb, 0x8000); /* opColor (g?) */
2148 avio_wb16(pb, 0x8000); /* opColor (b?) */
2149 avio_wb16(pb, 0); /* balance */
2150 avio_wb16(pb, 0); /* reserved */
2153 * This special text atom is required for
2154 * Apple Quicktime chapters. The contents
2155 * don't appear to be documented, so the
2156 * bytes are copied verbatim.
2158 if (track->tag != MKTAG('c','6','0','8')) {
2159 avio_wb32(pb, 0x2C); /* size */
2160 ffio_wfourcc(pb, "text");
2161 avio_wb16(pb, 0x01);
2162 avio_wb32(pb, 0x00);
2163 avio_wb32(pb, 0x00);
2164 avio_wb32(pb, 0x00);
2165 avio_wb32(pb, 0x01);
2166 avio_wb32(pb, 0x00);
2167 avio_wb32(pb, 0x00);
2168 avio_wb32(pb, 0x00);
2169 avio_wb32(pb, 0x00004000);
2170 avio_wb16(pb, 0x0000);
2173 if (track->par->codec_tag == MKTAG('t','m','c','d')) {
2174 int64_t tmcd_pos = avio_tell(pb);
2175 avio_wb32(pb, 0); /* size */
2176 ffio_wfourcc(pb, "tmcd");
2177 mov_write_tcmi_tag(pb, track);
2178 update_size(pb, tmcd_pos);
2180 return update_size(pb, pos);
2183 static int mov_write_smhd_tag(AVIOContext *pb)
2185 avio_wb32(pb, 16); /* size */
2186 ffio_wfourcc(pb, "smhd");
2187 avio_wb32(pb, 0); /* version & flags */
2188 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
2189 avio_wb16(pb, 0); /* reserved */
2193 static int mov_write_vmhd_tag(AVIOContext *pb)
2195 avio_wb32(pb, 0x14); /* size (always 0x14) */
2196 ffio_wfourcc(pb, "vmhd");
2197 avio_wb32(pb, 0x01); /* version & flags */
2198 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
2202 static int is_clcp_track(MOVTrack *track)
2204 return track->tag == MKTAG('c','7','0','8') ||
2205 track->tag == MKTAG('c','6','0','8');
2208 static int mov_write_hdlr_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
2210 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
2211 int64_t pos = avio_tell(pb);
2215 descr = "DataHandler";
2218 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
2219 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
2221 descr = "VideoHandler";
2222 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
2224 descr = "SoundHandler";
2225 } else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2226 if (is_clcp_track(track)) {
2228 descr = "ClosedCaptionHandler";
2230 if (track->tag == MKTAG('t','x','3','g')) {
2232 } else if (track->tag == MKTAG('m','p','4','s')) {
2237 descr = "SubtitleHandler";
2239 } else if (track->par->codec_tag == MKTAG('r','t','p',' ')) {
2241 descr = "HintHandler";
2242 } else if (track->par->codec_tag == MKTAG('t','m','c','d')) {
2244 descr = "TimeCodeHandler";
2247 av_get_codec_tag_string(tag_buf, sizeof(tag_buf),
2248 track->par->codec_tag);
2250 av_log(s, AV_LOG_WARNING,
2251 "Unknown hldr_type for %s / 0x%04X, writing dummy values\n",
2252 tag_buf, track->par->codec_tag);
2255 // hdlr.name is used by some players to identify the content title
2256 // of the track. So if an alternate handler description is
2257 // specified, use it.
2258 AVDictionaryEntry *t;
2259 t = av_dict_get(track->st->metadata, "handler", NULL, 0);
2260 if (t && utf8len(t->value))
2265 avio_wb32(pb, 0); /* size */
2266 ffio_wfourcc(pb, "hdlr");
2267 avio_wb32(pb, 0); /* Version & flags */
2268 avio_write(pb, hdlr, 4); /* handler */
2269 ffio_wfourcc(pb, hdlr_type); /* handler type */
2270 avio_wb32(pb, 0); /* reserved */
2271 avio_wb32(pb, 0); /* reserved */
2272 avio_wb32(pb, 0); /* reserved */
2273 if (!track || track->mode == MODE_MOV)
2274 avio_w8(pb, strlen(descr)); /* pascal string */
2275 avio_write(pb, descr, strlen(descr)); /* handler description */
2276 if (track && track->mode != MODE_MOV)
2277 avio_w8(pb, 0); /* c string */
2278 return update_size(pb, pos);
2281 static int mov_write_hmhd_tag(AVIOContext *pb)
2283 /* This atom must be present, but leaving the values at zero
2284 * seems harmless. */
2285 avio_wb32(pb, 28); /* size */
2286 ffio_wfourcc(pb, "hmhd");
2287 avio_wb32(pb, 0); /* version, flags */
2288 avio_wb16(pb, 0); /* maxPDUsize */
2289 avio_wb16(pb, 0); /* avgPDUsize */
2290 avio_wb32(pb, 0); /* maxbitrate */
2291 avio_wb32(pb, 0); /* avgbitrate */
2292 avio_wb32(pb, 0); /* reserved */
2296 static int mov_write_minf_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2298 int64_t pos = avio_tell(pb);
2301 avio_wb32(pb, 0); /* size */
2302 ffio_wfourcc(pb, "minf");
2303 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO)
2304 mov_write_vmhd_tag(pb);
2305 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2306 mov_write_smhd_tag(pb);
2307 else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2308 if (track->tag == MKTAG('t','e','x','t') || is_clcp_track(track)) {
2309 mov_write_gmhd_tag(pb, track);
2311 mov_write_nmhd_tag(pb);
2313 } else if (track->tag == MKTAG('r','t','p',' ')) {
2314 mov_write_hmhd_tag(pb);
2315 } else if (track->tag == MKTAG('t','m','c','d')) {
2316 if (track->mode != MODE_MOV)
2317 mov_write_nmhd_tag(pb);
2319 mov_write_gmhd_tag(pb, track);
2321 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
2322 mov_write_hdlr_tag(s, pb, NULL);
2323 mov_write_dinf_tag(pb);
2324 if ((ret = mov_write_stbl_tag(s, pb, mov, track)) < 0)
2326 return update_size(pb, pos);
2329 static int mov_write_mdhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2332 int version = track->track_duration < INT32_MAX ? 0 : 1;
2334 if (track->mode == MODE_ISM)
2337 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
2338 ffio_wfourcc(pb, "mdhd");
2339 avio_w8(pb, version);
2340 avio_wb24(pb, 0); /* flags */
2342 avio_wb64(pb, track->time);
2343 avio_wb64(pb, track->time);
2345 avio_wb32(pb, track->time); /* creation time */
2346 avio_wb32(pb, track->time); /* modification time */
2348 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
2349 if (!track->entry && mov->mode == MODE_ISM)
2350 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2351 else if (!track->entry)
2352 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2354 (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
2355 avio_wb16(pb, track->language); /* language */
2356 avio_wb16(pb, 0); /* reserved (quality) */
2358 if (version != 0 && track->mode == MODE_MOV) {
2359 av_log(NULL, AV_LOG_ERROR,
2360 "FATAL error, file duration too long for timebase, this file will not be\n"
2361 "playable with quicktime. Choose a different timebase or a different\n"
2362 "container format\n");
2368 static int mov_write_mdia_tag(AVFormatContext *s, AVIOContext *pb,
2369 MOVMuxContext *mov, MOVTrack *track)
2371 int64_t pos = avio_tell(pb);
2374 avio_wb32(pb, 0); /* size */
2375 ffio_wfourcc(pb, "mdia");
2376 mov_write_mdhd_tag(pb, mov, track);
2377 mov_write_hdlr_tag(s, pb, track);
2378 if ((ret = mov_write_minf_tag(s, pb, mov, track)) < 0)
2380 return update_size(pb, pos);
2383 /* transformation matrix
2387 static void write_matrix(AVIOContext *pb, int16_t a, int16_t b, int16_t c,
2388 int16_t d, int16_t tx, int16_t ty)
2390 avio_wb32(pb, a << 16); /* 16.16 format */
2391 avio_wb32(pb, b << 16); /* 16.16 format */
2392 avio_wb32(pb, 0); /* u in 2.30 format */
2393 avio_wb32(pb, c << 16); /* 16.16 format */
2394 avio_wb32(pb, d << 16); /* 16.16 format */
2395 avio_wb32(pb, 0); /* v in 2.30 format */
2396 avio_wb32(pb, tx << 16); /* 16.16 format */
2397 avio_wb32(pb, ty << 16); /* 16.16 format */
2398 avio_wb32(pb, 1 << 30); /* w in 2.30 format */
2401 static int mov_write_tkhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2402 MOVTrack *track, AVStream *st)
2404 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
2405 track->timescale, AV_ROUND_UP);
2406 int version = duration < INT32_MAX ? 0 : 1;
2407 int flags = MOV_TKHD_FLAG_IN_MOVIE;
2411 uint32_t *display_matrix = NULL;
2412 int display_matrix_size, i;
2415 if (mov->per_stream_grouping)
2418 group = st->codecpar->codec_type;
2420 display_matrix = (uint32_t*)av_stream_get_side_data(st, AV_PKT_DATA_DISPLAYMATRIX,
2421 &display_matrix_size);
2422 if (display_matrix && display_matrix_size < 9 * sizeof(*display_matrix))
2423 display_matrix = NULL;
2426 if (track->flags & MOV_TRACK_ENABLED)
2427 flags |= MOV_TKHD_FLAG_ENABLED;
2429 if (track->mode == MODE_ISM)
2432 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
2433 ffio_wfourcc(pb, "tkhd");
2434 avio_w8(pb, version);
2435 avio_wb24(pb, flags);
2437 avio_wb64(pb, track->time);
2438 avio_wb64(pb, track->time);
2440 avio_wb32(pb, track->time); /* creation time */
2441 avio_wb32(pb, track->time); /* modification time */
2443 avio_wb32(pb, track->track_id); /* track-id */
2444 avio_wb32(pb, 0); /* reserved */
2445 if (!track->entry && mov->mode == MODE_ISM)
2446 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2447 else if (!track->entry)
2448 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2450 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
2452 avio_wb32(pb, 0); /* reserved */
2453 avio_wb32(pb, 0); /* reserved */
2454 avio_wb16(pb, 0); /* layer */
2455 avio_wb16(pb, group); /* alternate group) */
2456 /* Volume, only for audio */
2457 if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2458 avio_wb16(pb, 0x0100);
2461 avio_wb16(pb, 0); /* reserved */
2463 /* Matrix structure */
2464 if (st && st->metadata) {
2465 AVDictionaryEntry *rot = av_dict_get(st->metadata, "rotate", NULL, 0);
2466 rotation = (rot && rot->value) ? atoi(rot->value) : 0;
2468 if (display_matrix) {
2469 for (i = 0; i < 9; i++)
2470 avio_wb32(pb, display_matrix[i]);
2471 } else if (rotation == 90) {
2472 write_matrix(pb, 0, 1, -1, 0, track->par->height, 0);
2473 } else if (rotation == 180) {
2474 write_matrix(pb, -1, 0, 0, -1, track->par->width, track->par->height);
2475 } else if (rotation == 270) {
2476 write_matrix(pb, 0, -1, 1, 0, 0, track->par->width);
2478 write_matrix(pb, 1, 0, 0, 1, 0, 0);
2480 /* Track width and height, for visual only */
2481 if (st && (track->par->codec_type == AVMEDIA_TYPE_VIDEO ||
2482 track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
2483 int64_t track_width_1616;
2484 if (track->mode == MODE_MOV) {
2485 track_width_1616 = track->par->width * 0x10000ULL;
2487 track_width_1616 = av_rescale(st->sample_aspect_ratio.num,
2488 track->par->width * 0x10000LL,
2489 st->sample_aspect_ratio.den);
2490 if (!track_width_1616 ||
2491 track->height != track->par->height ||
2492 track_width_1616 > UINT32_MAX)
2493 track_width_1616 = track->par->width * 0x10000ULL;
2495 if (track_width_1616 > UINT32_MAX) {
2496 av_log(mov->fc, AV_LOG_WARNING, "track width is too large\n");
2497 track_width_1616 = 0;
2499 avio_wb32(pb, track_width_1616);
2500 if (track->height > 0xFFFF) {
2501 av_log(mov->fc, AV_LOG_WARNING, "track height is too large\n");
2504 avio_wb32(pb, track->height * 0x10000U);
2512 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
2514 int32_t width = av_rescale(track->par->sample_aspect_ratio.num, track->par->width,
2515 track->par->sample_aspect_ratio.den);
2517 int64_t pos = avio_tell(pb);
2519 avio_wb32(pb, 0); /* size */
2520 ffio_wfourcc(pb, "tapt");
2523 ffio_wfourcc(pb, "clef");
2525 avio_wb32(pb, width << 16);
2526 avio_wb32(pb, track->par->height << 16);
2529 ffio_wfourcc(pb, "prof");
2531 avio_wb32(pb, width << 16);
2532 avio_wb32(pb, track->par->height << 16);
2535 ffio_wfourcc(pb, "enof");
2537 avio_wb32(pb, track->par->width << 16);
2538 avio_wb32(pb, track->par->height << 16);
2540 return update_size(pb, pos);
2543 // This box seems important for the psp playback ... without it the movie seems to hang
2544 static int mov_write_edts_tag(AVIOContext *pb, MOVMuxContext *mov,
2547 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
2548 track->timescale, AV_ROUND_UP);
2549 int version = duration < INT32_MAX ? 0 : 1;
2550 int entry_size, entry_count, size;
2551 int64_t delay, start_ct = track->start_cts;
2552 int64_t start_dts = track->start_dts;
2555 if (start_dts != track->cluster[0].dts || start_ct != track->cluster[0].cts) {
2557 av_log(mov->fc, AV_LOG_DEBUG,
2558 "EDTS using dts:%"PRId64" cts:%d instead of dts:%"PRId64" cts:%"PRId64" tid:%d\n",
2559 track->cluster[0].dts, track->cluster[0].cts,
2560 start_dts, start_ct, track->track_id);
2561 start_dts = track->cluster[0].dts;
2562 start_ct = track->cluster[0].cts;
2566 delay = av_rescale_rnd(start_dts + start_ct, MOV_TIMESCALE,
2567 track->timescale, AV_ROUND_DOWN);
2568 version |= delay < INT32_MAX ? 0 : 1;
2570 entry_size = (version == 1) ? 20 : 12;
2571 entry_count = 1 + (delay > 0);
2572 size = 24 + entry_count * entry_size;
2574 /* write the atom data */
2575 avio_wb32(pb, size);
2576 ffio_wfourcc(pb, "edts");
2577 avio_wb32(pb, size - 8);
2578 ffio_wfourcc(pb, "elst");
2579 avio_w8(pb, version);
2580 avio_wb24(pb, 0); /* flags */
2582 avio_wb32(pb, entry_count);
2583 if (delay > 0) { /* add an empty edit to delay presentation */
2584 /* In the positive delay case, the delay includes the cts
2585 * offset, and the second edit list entry below trims out
2586 * the same amount from the actual content. This makes sure
2587 * that the offset last sample is included in the edit
2588 * list duration as well. */
2590 avio_wb64(pb, delay);
2593 avio_wb32(pb, delay);
2596 avio_wb32(pb, 0x00010000);
2598 /* Avoid accidentally ending up with start_ct = -1 which has got a
2599 * special meaning. Normally start_ct should end up positive or zero
2600 * here, but use FFMIN in case dts is a small positive integer
2601 * rounded to 0 when represented in MOV_TIMESCALE units. */
2602 av_assert0(av_rescale_rnd(start_dts, MOV_TIMESCALE, track->timescale, AV_ROUND_DOWN) <= 0);
2603 start_ct = -FFMIN(start_dts, 0);
2604 /* Note, this delay is calculated from the pts of the first sample,
2605 * ensuring that we don't reduce the duration for cases with
2610 /* For fragmented files, we don't know the full length yet. Setting
2611 * duration to 0 allows us to only specify the offset, including
2612 * the rest of the content (from all future fragments) without specifying
2613 * an explicit duration. */
2614 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
2619 avio_wb64(pb, duration);
2620 avio_wb64(pb, start_ct);
2622 avio_wb32(pb, duration);
2623 avio_wb32(pb, start_ct);
2625 avio_wb32(pb, 0x00010000);
2629 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
2631 avio_wb32(pb, 20); // size
2632 ffio_wfourcc(pb, "tref");
2633 avio_wb32(pb, 12); // size (subatom)
2634 avio_wl32(pb, track->tref_tag);
2635 avio_wb32(pb, track->tref_id);
2639 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
2640 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
2642 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
2643 ffio_wfourcc(pb, "uuid");
2644 ffio_wfourcc(pb, "USMT");
2645 avio_wb32(pb, 0x21d24fce);
2646 avio_wb32(pb, 0xbb88695c);
2647 avio_wb32(pb, 0xfac9c740);
2648 avio_wb32(pb, 0x1c); // another size here!
2649 ffio_wfourcc(pb, "MTDT");
2650 avio_wb32(pb, 0x00010012);
2651 avio_wb32(pb, 0x0a);
2652 avio_wb32(pb, 0x55c40000);
2658 static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
2660 AVFormatContext *ctx = track->rtp_ctx;
2661 char buf[1000] = "";
2664 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
2665 NULL, NULL, 0, 0, ctx);
2666 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
2669 avio_wb32(pb, len + 24);
2670 ffio_wfourcc(pb, "udta");
2671 avio_wb32(pb, len + 16);
2672 ffio_wfourcc(pb, "hnti");
2673 avio_wb32(pb, len + 8);
2674 ffio_wfourcc(pb, "sdp ");
2675 avio_write(pb, buf, len);
2679 static int mov_write_track_metadata(AVIOContext *pb, AVStream *st,
2680 const char *tag, const char *str)
2682 int64_t pos = avio_tell(pb);
2683 AVDictionaryEntry *t = av_dict_get(st->metadata, str, NULL, 0);
2684 if (!t || !utf8len(t->value))
2687 avio_wb32(pb, 0); /* size */
2688 ffio_wfourcc(pb, tag); /* type */
2689 avio_write(pb, t->value, strlen(t->value)); /* UTF8 string value */
2690 return update_size(pb, pos);
2693 static int mov_write_track_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
2696 AVIOContext *pb_buf;
2703 ret = avio_open_dyn_buf(&pb_buf);
2707 if (mov->mode & MODE_MP4)
2708 mov_write_track_metadata(pb_buf, st, "name", "title");
2710 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
2711 avio_wb32(pb, size + 8);
2712 ffio_wfourcc(pb, "udta");
2713 avio_write(pb, buf, size);
2720 static int mov_write_trak_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov,
2721 MOVTrack *track, AVStream *st)
2723 int64_t pos = avio_tell(pb);
2724 int entry_backup = track->entry;
2725 int chunk_backup = track->chunkCount;
2728 /* If we want to have an empty moov, but some samples already have been
2729 * buffered (delay_moov), pretend that no samples have been written yet. */
2730 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV)
2731 track->chunkCount = track->entry = 0;
2733 avio_wb32(pb, 0); /* size */
2734 ffio_wfourcc(pb, "trak");
2735 mov_write_tkhd_tag(pb, mov, track, st);
2737 av_assert2(mov->use_editlist >= 0);
2739 if (track->start_dts != AV_NOPTS_VALUE) {
2740 if (mov->use_editlist)
2741 mov_write_edts_tag(pb, mov, track); // PSP Movies and several other cases require edts box
2742 else if ((track->entry && track->cluster[0].dts) || track->mode == MODE_PSP || is_clcp_track(track))
2743 av_log(mov->fc, AV_LOG_WARNING,
2744 "Not writing any edit list even though one would have been required\n");
2747 if (track->tref_tag)
2748 mov_write_tref_tag(pb, track);
2750 if ((ret = mov_write_mdia_tag(s, pb, mov, track)) < 0)
2752 if (track->mode == MODE_PSP)
2753 mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box
2754 if (track->tag == MKTAG('r','t','p',' '))
2755 mov_write_udta_sdp(pb, track);
2756 if (track->mode == MODE_MOV) {
2757 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
2758 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
2759 if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio) {
2760 mov_write_tapt_tag(pb, track);
2763 if (is_clcp_track(track) && st->sample_aspect_ratio.num) {
2764 mov_write_tapt_tag(pb, track);
2767 mov_write_track_udta_tag(pb, mov, st);
2768 track->entry = entry_backup;
2769 track->chunkCount = chunk_backup;
2770 return update_size(pb, pos);
2773 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
2775 int i, has_audio = 0, has_video = 0;
2776 int64_t pos = avio_tell(pb);
2777 int audio_profile = mov->iods_audio_profile;
2778 int video_profile = mov->iods_video_profile;
2779 for (i = 0; i < mov->nb_streams; i++) {
2780 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
2781 has_audio |= mov->tracks[i].par->codec_type == AVMEDIA_TYPE_AUDIO;
2782 has_video |= mov->tracks[i].par->codec_type == AVMEDIA_TYPE_VIDEO;
2785 if (audio_profile < 0)
2786 audio_profile = 0xFF - has_audio;
2787 if (video_profile < 0)
2788 video_profile = 0xFF - has_video;
2789 avio_wb32(pb, 0x0); /* size */
2790 ffio_wfourcc(pb, "iods");
2791 avio_wb32(pb, 0); /* version & flags */
2792 put_descr(pb, 0x10, 7);
2793 avio_wb16(pb, 0x004f);
2796 avio_w8(pb, audio_profile);
2797 avio_w8(pb, video_profile);
2799 return update_size(pb, pos);
2802 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
2804 avio_wb32(pb, 0x20); /* size */
2805 ffio_wfourcc(pb, "trex");
2806 avio_wb32(pb, 0); /* version & flags */
2807 avio_wb32(pb, track->track_id); /* track ID */
2808 avio_wb32(pb, 1); /* default sample description index */
2809 avio_wb32(pb, 0); /* default sample duration */
2810 avio_wb32(pb, 0); /* default sample size */
2811 avio_wb32(pb, 0); /* default sample flags */
2815 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
2817 int64_t pos = avio_tell(pb);
2819 avio_wb32(pb, 0x0); /* size */
2820 ffio_wfourcc(pb, "mvex");
2821 for (i = 0; i < mov->nb_streams; i++)
2822 mov_write_trex_tag(pb, &mov->tracks[i]);
2823 return update_size(pb, pos);
2826 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
2828 int max_track_id = 1, i;
2829 int64_t max_track_len = 0;
2832 for (i = 0; i < mov->nb_streams; i++) {
2833 if (mov->tracks[i].entry > 0 && mov->tracks[i].timescale) {
2834 int64_t max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
2836 mov->tracks[i].timescale,
2838 if (max_track_len < max_track_len_temp)
2839 max_track_len = max_track_len_temp;
2840 if (max_track_id < mov->tracks[i].track_id)
2841 max_track_id = mov->tracks[i].track_id;
2844 /* If using delay_moov, make sure the output is the same as if no
2845 * samples had been written yet. */
2846 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
2851 version = max_track_len < UINT32_MAX ? 0 : 1;
2852 avio_wb32(pb, version == 1 ? 120 : 108); /* size */
2854 ffio_wfourcc(pb, "mvhd");
2855 avio_w8(pb, version);
2856 avio_wb24(pb, 0); /* flags */
2858 avio_wb64(pb, mov->time);
2859 avio_wb64(pb, mov->time);
2861 avio_wb32(pb, mov->time); /* creation time */
2862 avio_wb32(pb, mov->time); /* modification time */
2864 avio_wb32(pb, MOV_TIMESCALE);
2865 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
2867 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
2868 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
2869 avio_wb16(pb, 0); /* reserved */
2870 avio_wb32(pb, 0); /* reserved */
2871 avio_wb32(pb, 0); /* reserved */
2873 /* Matrix structure */
2874 write_matrix(pb, 1, 0, 0, 1, 0, 0);
2876 avio_wb32(pb, 0); /* reserved (preview time) */
2877 avio_wb32(pb, 0); /* reserved (preview duration) */
2878 avio_wb32(pb, 0); /* reserved (poster time) */
2879 avio_wb32(pb, 0); /* reserved (selection time) */
2880 avio_wb32(pb, 0); /* reserved (selection duration) */
2881 avio_wb32(pb, 0); /* reserved (current time) */
2882 avio_wb32(pb, max_track_id + 1); /* Next track id */
2886 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
2889 avio_wb32(pb, 33); /* size */
2890 ffio_wfourcc(pb, "hdlr");
2893 ffio_wfourcc(pb, "mdir");
2894 ffio_wfourcc(pb, "appl");
2901 /* helper function to write a data tag with the specified string as data */
2902 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
2905 int size = 16 + strlen(data);
2906 avio_wb32(pb, size); /* size */
2907 ffio_wfourcc(pb, "data");
2910 avio_write(pb, data, strlen(data));
2914 lang = ff_mov_iso639_to_lang("und", 1);
2915 avio_wb16(pb, strlen(data)); /* string length */
2916 avio_wb16(pb, lang);
2917 avio_write(pb, data, strlen(data));
2918 return strlen(data) + 4;
2922 static int mov_write_string_tag(AVIOContext *pb, const char *name,
2923 const char *value, int lang, int long_style)
2926 if (value && value[0]) {
2927 int64_t pos = avio_tell(pb);
2928 avio_wb32(pb, 0); /* size */
2929 ffio_wfourcc(pb, name);
2930 mov_write_string_data_tag(pb, value, lang, long_style);
2931 size = update_size(pb, pos);
2936 static AVDictionaryEntry *get_metadata_lang(AVFormatContext *s,
2937 const char *tag, int *lang)
2940 AVDictionaryEntry *t, *t2 = NULL;
2945 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
2948 len = strlen(t->key);
2949 snprintf(tag2, sizeof(tag2), "%s-", tag);
2950 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
2951 len2 = strlen(t2->key);
2952 if (len2 == len + 4 && !strcmp(t->value, t2->value)
2953 && (l = ff_mov_iso639_to_lang(&t2->key[len2 - 3], 1)) >= 0) {
2961 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
2962 const char *name, const char *tag,
2966 AVDictionaryEntry *t = get_metadata_lang(s, tag, &lang);
2969 return mov_write_string_tag(pb, name, t->value, lang, long_style);
2972 /* iTunes bpm number */
2973 static int mov_write_tmpo_tag(AVIOContext *pb, AVFormatContext *s)
2975 AVDictionaryEntry *t = av_dict_get(s->metadata, "tmpo", NULL, 0);
2976 int size = 0, tmpo = t ? atoi(t->value) : 0;
2979 avio_wb32(pb, size);
2980 ffio_wfourcc(pb, "tmpo");
2981 avio_wb32(pb, size-8); /* size */
2982 ffio_wfourcc(pb, "data");
2983 avio_wb32(pb, 0x15); //type specifier
2985 avio_wb16(pb, tmpo); // data
2990 /* 3GPP TS 26.244 */
2991 static int mov_write_loci_tag(AVFormatContext *s, AVIOContext *pb)
2994 int64_t pos = avio_tell(pb);
2995 double latitude, longitude, altitude;
2996 int32_t latitude_fix, longitude_fix, altitude_fix;
2997 AVDictionaryEntry *t = get_metadata_lang(s, "location", &lang);
2998 const char *ptr, *place = "";
3000 static const char *astronomical_body = "earth";
3005 longitude = strtod(ptr, &end);
3007 av_log(s, AV_LOG_WARNING, "malformed location metadata\n");
3011 latitude = strtod(ptr, &end);
3013 av_log(s, AV_LOG_WARNING, "malformed location metadata\n");
3017 altitude = strtod(ptr, &end);
3018 /* If no altitude was present, the default 0 should be fine */
3022 latitude_fix = (int32_t) ((1 << 16) * latitude);
3023 longitude_fix = (int32_t) ((1 << 16) * longitude);
3024 altitude_fix = (int32_t) ((1 << 16) * altitude);
3026 avio_wb32(pb, 0); /* size */
3027 ffio_wfourcc(pb, "loci"); /* type */
3028 avio_wb32(pb, 0); /* version + flags */
3029 avio_wb16(pb, lang);
3030 avio_write(pb, place, strlen(place) + 1);
3031 avio_w8(pb, 0); /* role of place (0 == shooting location, 1 == real location, 2 == fictional location) */
3032 avio_wb32(pb, latitude_fix);
3033 avio_wb32(pb, longitude_fix);
3034 avio_wb32(pb, altitude_fix);
3035 avio_write(pb, astronomical_body, strlen(astronomical_body) + 1);
3036 avio_w8(pb, 0); /* additional notes, null terminated string */
3038 return update_size(pb, pos);
3041 /* iTunes track or disc number */
3042 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
3043 AVFormatContext *s, int disc)
3045 AVDictionaryEntry *t = av_dict_get(s->metadata,
3046 disc ? "disc" : "track",
3048 int size = 0, track = t ? atoi(t->value) : 0;
3051 char *slash = strchr(t->value, '/');
3053 tracks = atoi(slash + 1);
3054 avio_wb32(pb, 32); /* size */
3055 ffio_wfourcc(pb, disc ? "disk" : "trkn");
3056 avio_wb32(pb, 24); /* size */
3057 ffio_wfourcc(pb, "data");
3058 avio_wb32(pb, 0); // 8 bytes empty
3060 avio_wb16(pb, 0); // empty
3061 avio_wb16(pb, track); // track / disc number
3062 avio_wb16(pb, tracks); // total track / disc number
3063 avio_wb16(pb, 0); // empty
3069 static int mov_write_int8_metadata(AVFormatContext *s, AVIOContext *pb,
3070 const char *name, const char *tag,
3073 AVDictionaryEntry *t = NULL;
3075 int size = 24 + len;
3077 if (len != 1 && len != 4)
3080 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
3082 num = atoi(t->value);
3084 avio_wb32(pb, size);
3085 ffio_wfourcc(pb, name);
3086 avio_wb32(pb, size - 8);
3087 ffio_wfourcc(pb, "data");
3088 avio_wb32(pb, 0x15);
3090 if (len==4) avio_wb32(pb, num);
3091 else avio_w8 (pb, num);
3096 /* iTunes meta data list */
3097 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
3100 int64_t pos = avio_tell(pb);
3101 avio_wb32(pb, 0); /* size */
3102 ffio_wfourcc(pb, "ilst");
3103 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
3104 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
3105 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
3106 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
3107 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
3108 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
3109 if (!mov_write_string_metadata(s, pb, "\251too", "encoding_tool", 1)) {
3110 if (!(s->flags & AVFMT_FLAG_BITEXACT))
3111 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
3113 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
3114 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
3115 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
3116 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
3117 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
3118 mov_write_string_metadata(s, pb, "desc", "description",1);
3119 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
3120 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
3121 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
3122 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
3123 mov_write_int8_metadata (s, pb, "tves", "episode_sort",4);
3124 mov_write_int8_metadata (s, pb, "tvsn", "season_number",4);
3125 mov_write_int8_metadata (s, pb, "stik", "media_type",1);
3126 mov_write_int8_metadata (s, pb, "hdvd", "hd_video", 1);
3127 mov_write_int8_metadata (s, pb, "pgap", "gapless_playback",1);
3128 mov_write_int8_metadata (s, pb, "cpil", "compilation", 1);
3129 mov_write_trkn_tag(pb, mov, s, 0); // track number
3130 mov_write_trkn_tag(pb, mov, s, 1); // disc number
3131 mov_write_tmpo_tag(pb, s);
3132 return update_size(pb, pos);
3135 static int mov_write_mdta_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
3138 avio_wb32(pb, 33); /* size */
3139 ffio_wfourcc(pb, "hdlr");
3142 ffio_wfourcc(pb, "mdta");
3150 static int mov_write_mdta_keys_tag(AVIOContext *pb, MOVMuxContext *mov,
3153 AVDictionaryEntry *t = NULL;
3154 int64_t pos = avio_tell(pb);
3155 int64_t curpos, entry_pos;
3158 avio_wb32(pb, 0); /* size */
3159 ffio_wfourcc(pb, "keys");
3161 entry_pos = avio_tell(pb);
3162 avio_wb32(pb, 0); /* entry count */
3164 while (t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX)) {
3165 avio_wb32(pb, strlen(t->key) + 8);
3166 ffio_wfourcc(pb, "mdta");
3167 avio_write(pb, t->key, strlen(t->key));
3170 curpos = avio_tell(pb);
3171 avio_seek(pb, entry_pos, SEEK_SET);
3172 avio_wb32(pb, count); // rewrite entry count
3173 avio_seek(pb, curpos, SEEK_SET);
3175 return update_size(pb, pos);
3178 static int mov_write_mdta_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
3181 AVDictionaryEntry *t = NULL;
3182 int64_t pos = avio_tell(pb);
3183 int count = 1; /* keys are 1-index based */
3185 avio_wb32(pb, 0); /* size */
3186 ffio_wfourcc(pb, "ilst");
3188 while (t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX)) {
3189 int64_t entry_pos = avio_tell(pb);
3190 avio_wb32(pb, 0); /* size */
3191 avio_wb32(pb, count); /* key */
3192 mov_write_string_data_tag(pb, t->value, 0, 1);
3193 update_size(pb, entry_pos);
3196 return update_size(pb, pos);
3199 /* meta data tags */
3200 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
3204 int64_t pos = avio_tell(pb);
3205 avio_wb32(pb, 0); /* size */
3206 ffio_wfourcc(pb, "meta");
3208 if (mov->flags & FF_MOV_FLAG_USE_MDTA) {
3209 mov_write_mdta_hdlr_tag(pb, mov, s);
3210 mov_write_mdta_keys_tag(pb, mov, s);
3211 mov_write_mdta_ilst_tag(pb, mov, s);
3214 /* iTunes metadata tag */
3215 mov_write_itunes_hdlr_tag(pb, mov, s);
3216 mov_write_ilst_tag(pb, mov, s);
3218 size = update_size(pb, pos);
3222 static int mov_write_raw_metadata_tag(AVFormatContext *s, AVIOContext *pb,
3223 const char *name, const char *key)
3226 AVDictionaryEntry *t;
3228 if (!(t = av_dict_get(s->metadata, key, NULL, 0)))
3231 len = strlen(t->value);
3234 avio_wb32(pb, size);
3235 ffio_wfourcc(pb, name);
3236 avio_write(pb, t->value, len);
3242 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
3246 GET_UTF8(val, *b++, return -1;)
3249 avio_wb16(pb, 0x00);
3253 static uint16_t language_code(const char *str)
3255 return (((str[0] - 0x60) & 0x1F) << 10) +
3256 (((str[1] - 0x60) & 0x1F) << 5) +
3257 (( str[2] - 0x60) & 0x1F);
3260 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
3261 const char *tag, const char *str)
3263 int64_t pos = avio_tell(pb);
3264 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
3265 if (!t || !utf8len(t->value))
3267 avio_wb32(pb, 0); /* size */
3268 ffio_wfourcc(pb, tag); /* type */
3269 avio_wb32(pb, 0); /* version + flags */
3270 if (!strcmp(tag, "yrrc"))
3271 avio_wb16(pb, atoi(t->value));
3273 avio_wb16(pb, language_code("eng")); /* language */
3274 avio_write(pb, t->value, strlen(t->value) + 1); /* UTF8 string value */
3275 if (!strcmp(tag, "albm") &&
3276 (t = av_dict_get(s->metadata, "track", NULL, 0)))
3277 avio_w8(pb, atoi(t->value));
3279 return update_size(pb, pos);
3282 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
3284 int64_t pos = avio_tell(pb);
3285 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
3287 avio_wb32(pb, 0); // size
3288 ffio_wfourcc(pb, "chpl");
3289 avio_wb32(pb, 0x01000000); // version + flags
3290 avio_wb32(pb, 0); // unknown
3291 avio_w8(pb, nb_chapters);
3293 for (i = 0; i < nb_chapters; i++) {
3294 AVChapter *c = s->chapters[i];
3295 AVDictionaryEntry *t;
3296 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
3298 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3299 int len = FFMIN(strlen(t->value), 255);
3301 avio_write(pb, t->value, len);
3305 return update_size(pb, pos);
3308 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
3311 AVIOContext *pb_buf;
3315 ret = avio_open_dyn_buf(&pb_buf);
3319 if (mov->mode & MODE_3GP) {
3320 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
3321 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
3322 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
3323 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
3324 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
3325 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
3326 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
3327 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
3328 mov_write_loci_tag(s, pb_buf);
3329 } 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
3330 mov_write_string_metadata(s, pb_buf, "\251ART", "artist", 0);
3331 mov_write_string_metadata(s, pb_buf, "\251nam", "title", 0);
3332 mov_write_string_metadata(s, pb_buf, "\251aut", "author", 0);
3333 mov_write_string_metadata(s, pb_buf, "\251alb", "album", 0);
3334 mov_write_string_metadata(s, pb_buf, "\251day", "date", 0);
3335 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder", 0);
3336 // currently ignored by mov.c
3337 mov_write_string_metadata(s, pb_buf, "\251des", "comment", 0);
3338 // add support for libquicktime, this atom is also actually read by mov.c
3339 mov_write_string_metadata(s, pb_buf, "\251cmt", "comment", 0);
3340 mov_write_string_metadata(s, pb_buf, "\251gen", "genre", 0);
3341 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright", 0);
3342 mov_write_string_metadata(s, pb_buf, "\251mak", "make", 0);
3343 mov_write_string_metadata(s, pb_buf, "\251mod", "model", 0);
3344 mov_write_string_metadata(s, pb_buf, "\251xyz", "location", 0);
3345 mov_write_raw_metadata_tag(s, pb_buf, "XMP_", "xmp");
3347 /* iTunes meta data */
3348 mov_write_meta_tag(pb_buf, mov, s);
3349 mov_write_loci_tag(s, pb_buf);
3352 if (s->nb_chapters && !(mov->flags & FF_MOV_FLAG_DISABLE_CHPL))
3353 mov_write_chpl_tag(pb_buf, s);
3355 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
3356 avio_wb32(pb, size + 8);
3357 ffio_wfourcc(pb, "udta");
3358 avio_write(pb, buf, size);
3365 static void mov_write_psp_udta_tag(AVIOContext *pb,
3366 const char *str, const char *lang, int type)
3368 int len = utf8len(str) + 1;
3371 avio_wb16(pb, len * 2 + 10); /* size */
3372 avio_wb32(pb, type); /* type */
3373 avio_wb16(pb, language_code(lang)); /* language */
3374 avio_wb16(pb, 0x01); /* ? */
3375 ascii_to_wc(pb, str);
3378 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
3380 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
3384 pos = avio_tell(pb);
3385 avio_wb32(pb, 0); /* size placeholder*/
3386 ffio_wfourcc(pb, "uuid");
3387 ffio_wfourcc(pb, "USMT");
3388 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
3389 avio_wb32(pb, 0xbb88695c);
3390 avio_wb32(pb, 0xfac9c740);
3392 pos2 = avio_tell(pb);
3393 avio_wb32(pb, 0); /* size placeholder*/
3394 ffio_wfourcc(pb, "MTDT");
3398 avio_wb16(pb, 0x0C); /* size */
3399 avio_wb32(pb, 0x0B); /* type */
3400 avio_wb16(pb, language_code("und")); /* language */
3401 avio_wb16(pb, 0x0); /* ? */
3402 avio_wb16(pb, 0x021C); /* data */
3404 if (!(s->flags & AVFMT_FLAG_BITEXACT))
3405 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
3406 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
3407 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
3409 update_size(pb, pos2);
3410 return update_size(pb, pos);
3416 static void build_chunks(MOVTrack *trk)
3419 MOVIentry *chunk = &trk->cluster[0];
3420 uint64_t chunkSize = chunk->size;
3421 chunk->chunkNum = 1;
3422 if (trk->chunkCount)
3424 trk->chunkCount = 1;
3425 for (i = 1; i<trk->entry; i++){
3426 if (chunk->pos + chunkSize == trk->cluster[i].pos &&
3427 chunkSize + trk->cluster[i].size < (1<<20)){
3428 chunkSize += trk->cluster[i].size;
3429 chunk->samples_in_chunk += trk->cluster[i].entries;
3431 trk->cluster[i].chunkNum = chunk->chunkNum+1;
3432 chunk=&trk->cluster[i];
3433 chunkSize = chunk->size;
3440 * Assign track ids. If option "use_stream_ids_as_track_ids" is set,
3441 * the stream ids are used as track ids.
3443 * This assumes mov->tracks and s->streams are in the same order and
3444 * there are no gaps in either of them (so mov->tracks[n] refers to
3447 * As an exception, there can be more entries in
3448 * s->streams than in mov->tracks, in which case new track ids are
3449 * generated (starting after the largest found stream id).
3451 static int mov_setup_track_ids(MOVMuxContext *mov, AVFormatContext *s)
3455 if (mov->track_ids_ok)
3458 if (mov->use_stream_ids_as_track_ids) {
3459 int next_generated_track_id = 0;
3460 for (i = 0; i < s->nb_streams; i++) {
3461 if (s->streams[i]->id > next_generated_track_id)
3462 next_generated_track_id = s->streams[i]->id;
3465 for (i = 0; i < mov->nb_streams; i++) {
3466 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
3469 mov->tracks[i].track_id = i >= s->nb_streams ? ++next_generated_track_id : s->streams[i]->id;
3472 for (i = 0; i < mov->nb_streams; i++) {
3473 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
3476 mov->tracks[i].track_id = i + 1;
3480 mov->track_ids_ok = 1;
3485 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
3489 int64_t pos = avio_tell(pb);
3490 avio_wb32(pb, 0); /* size placeholder*/
3491 ffio_wfourcc(pb, "moov");
3493 mov_setup_track_ids(mov, s);
3495 for (i = 0; i < mov->nb_streams; i++) {
3496 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
3499 mov->tracks[i].time = mov->time;
3501 if (mov->tracks[i].entry)
3502 build_chunks(&mov->tracks[i]);
3505 if (mov->chapter_track)
3506 for (i = 0; i < s->nb_streams; i++) {
3507 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
3508 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
3510 for (i = 0; i < mov->nb_streams; i++) {
3511 MOVTrack *track = &mov->tracks[i];
3512 if (track->tag == MKTAG('r','t','p',' ')) {
3513 track->tref_tag = MKTAG('h','i','n','t');
3514 track->tref_id = mov->tracks[track->src_track].track_id;
3515 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
3516 int * fallback, size;
3517 fallback = (int*)av_stream_get_side_data(track->st,
3518 AV_PKT_DATA_FALLBACK_TRACK,
3520 if (fallback != NULL && size == sizeof(int)) {
3521 if (*fallback >= 0 && *fallback < mov->nb_streams) {
3522 track->tref_tag = MKTAG('f','a','l','l');
3523 track->tref_id = mov->tracks[*fallback].track_id;
3528 for (i = 0; i < mov->nb_streams; i++) {
3529 if (mov->tracks[i].tag == MKTAG('t','m','c','d')) {
3530 int src_trk = mov->tracks[i].src_track;
3531 mov->tracks[src_trk].tref_tag = mov->tracks[i].tag;
3532 mov->tracks[src_trk].tref_id = mov->tracks[i].track_id;
3533 //src_trk may have a different timescale than the tmcd track
3534 mov->tracks[i].track_duration = av_rescale(mov->tracks[src_trk].track_duration,
3535 mov->tracks[i].timescale,
3536 mov->tracks[src_trk].timescale);
3540 mov_write_mvhd_tag(pb, mov);
3541 if (mov->mode != MODE_MOV && !mov->iods_skip)
3542 mov_write_iods_tag(pb, mov);
3543 for (i = 0; i < mov->nb_streams; i++) {
3544 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
3545 int ret = mov_write_trak_tag(s, pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
3550 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
3551 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
3553 if (mov->mode == MODE_PSP)
3554 mov_write_uuidusmt_tag(pb, s);
3556 mov_write_udta_tag(pb, mov, s);
3558 return update_size(pb, pos);
3561 static void param_write_int(AVIOContext *pb, const char *name, int value)
3563 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
3566 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
3568 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
3571 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
3574 len = FFMIN(sizeof(buf) / 2 - 1, len);
3575 ff_data_to_hex(buf, value, len, 0);
3576 buf[2 * len] = '\0';
3577 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
3580 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov, AVFormatContext *s)
3582 int64_t pos = avio_tell(pb);
3584 int64_t manifest_bit_rate = 0;
3585 AVCPBProperties *props = NULL;
3587 static const uint8_t uuid[] = {
3588 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
3589 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
3593 ffio_wfourcc(pb, "uuid");
3594 avio_write(pb, uuid, sizeof(uuid));
3597 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
3598 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
3599 avio_printf(pb, "<head>\n");
3600 if (!(mov->fc->flags & AVFMT_FLAG_BITEXACT))
3601 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
3603 avio_printf(pb, "</head>\n");
3604 avio_printf(pb, "<body>\n");
3605 avio_printf(pb, "<switch>\n");
3607 mov_setup_track_ids(mov, s);
3609 for (i = 0; i < mov->nb_streams; i++) {
3610 MOVTrack *track = &mov->tracks[i];
3612 int track_id = track->track_id;
3614 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
3616 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
3622 props = (AVCPBProperties*)av_stream_get_side_data(track->st, AV_PKT_DATA_CPB_PROPERTIES, NULL);
3624 if (track->par->bit_rate) {
3625 manifest_bit_rate = track->par->bit_rate;
3627 manifest_bit_rate = props->max_bitrate;
3630 avio_printf(pb, "<%s systemBitrate=\"%"PRId64"\">\n", type,
3632 param_write_int(pb, "systemBitrate", manifest_bit_rate);
3633 param_write_int(pb, "trackID", track_id);
3634 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
3635 if (track->par->codec_id == AV_CODEC_ID_H264) {
3637 int size = track->par->extradata_size;
3638 if (!ff_avc_write_annexb_extradata(track->par->extradata, &ptr,
3640 param_write_hex(pb, "CodecPrivateData",
3641 ptr ? ptr : track->par->extradata,
3645 param_write_string(pb, "FourCC", "H264");
3646 } else if (track->par->codec_id == AV_CODEC_ID_VC1) {
3647 param_write_string(pb, "FourCC", "WVC1");
3648 param_write_hex(pb, "CodecPrivateData", track->par->extradata,
3649 track->par->extradata_size);
3651 param_write_int(pb, "MaxWidth", track->par->width);
3652 param_write_int(pb, "MaxHeight", track->par->height);
3653 param_write_int(pb, "DisplayWidth", track->par->width);
3654 param_write_int(pb, "DisplayHeight", track->par->height);
3656 if (track->par->codec_id == AV_CODEC_ID_AAC) {
3657 switch (track->par->profile)
3659 case FF_PROFILE_AAC_HE_V2:
3660 param_write_string(pb, "FourCC", "AACP");
3662 case FF_PROFILE_AAC_HE:
3663 param_write_string(pb, "FourCC", "AACH");
3666 param_write_string(pb, "FourCC", "AACL");
3668 } else if (track->par->codec_id == AV_CODEC_ID_WMAPRO) {
3669 param_write_string(pb, "FourCC", "WMAP");
3671 param_write_hex(pb, "CodecPrivateData", track->par->extradata,
3672 track->par->extradata_size);
3673 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
3674 track->par->codec_id));
3675 param_write_int(pb, "Channels", track->par->channels);
3676 param_write_int(pb, "SamplingRate", track->par->sample_rate);
3677 param_write_int(pb, "BitsPerSample", 16);
3678 param_write_int(pb, "PacketSize", track->par->block_align ?
3679 track->par->block_align : 4);
3681 avio_printf(pb, "</%s>\n", type);
3683 avio_printf(pb, "</switch>\n");
3684 avio_printf(pb, "</body>\n");
3685 avio_printf(pb, "</smil>\n");
3687 return update_size(pb, pos);
3690 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
3693 ffio_wfourcc(pb, "mfhd");
3695 avio_wb32(pb, mov->fragments);
3699 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
3701 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
3702 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
3705 static int mov_write_tfhd_tag(AVIOContext *pb, MOVMuxContext *mov,
3706 MOVTrack *track, int64_t moof_offset)
3708 int64_t pos = avio_tell(pb);
3709 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
3710 MOV_TFHD_BASE_DATA_OFFSET;
3711 if (!track->entry) {
3712 flags |= MOV_TFHD_DURATION_IS_EMPTY;
3714 flags |= MOV_TFHD_DEFAULT_FLAGS;
3716 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET)
3717 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
3718 if (mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) {
3719 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
3720 flags |= MOV_TFHD_DEFAULT_BASE_IS_MOOF;
3723 /* Don't set a default sample size, the silverlight player refuses
3724 * to play files with that set. Don't set a default sample duration,
3725 * WMP freaks out if it is set. Don't set a base data offset, PIFF
3726 * file format says it MUST NOT be set. */
3727 if (track->mode == MODE_ISM)
3728 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
3729 MOV_TFHD_BASE_DATA_OFFSET);
3731 avio_wb32(pb, 0); /* size placeholder */
3732 ffio_wfourcc(pb, "tfhd");
3733 avio_w8(pb, 0); /* version */
3734 avio_wb24(pb, flags);
3736 avio_wb32(pb, track->track_id); /* track-id */
3737 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
3738 avio_wb64(pb, moof_offset);
3739 if (flags & MOV_TFHD_DEFAULT_DURATION) {
3740 track->default_duration = get_cluster_duration(track, 0);
3741 avio_wb32(pb, track->default_duration);
3743 if (flags & MOV_TFHD_DEFAULT_SIZE) {
3744 track->default_size = track->entry ? track->cluster[0].size : 1;
3745 avio_wb32(pb, track->default_size);
3747 track->default_size = -1;
3749 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
3750 /* Set the default flags based on the second sample, if available.
3751 * If the first sample is different, that can be signaled via a separate field. */
3752 if (track->entry > 1)
3753 track->default_sample_flags = get_sample_flags(track, &track->cluster[1]);
3755 track->default_sample_flags =
3756 track->par->codec_type == AVMEDIA_TYPE_VIDEO ?
3757 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
3758 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
3759 avio_wb32(pb, track->default_sample_flags);
3762 return update_size(pb, pos);
3765 static int mov_write_trun_tag(AVIOContext *pb, MOVMuxContext *mov,
3766 MOVTrack *track, int moof_size,
3769 int64_t pos = avio_tell(pb);
3770 uint32_t flags = MOV_TRUN_DATA_OFFSET;
3773 for (i = first; i < end; i++) {
3774 if (get_cluster_duration(track, i) != track->default_duration)
3775 flags |= MOV_TRUN_SAMPLE_DURATION;
3776 if (track->cluster[i].size != track->default_size)
3777 flags |= MOV_TRUN_SAMPLE_SIZE;
3778 if (i > first && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
3779 flags |= MOV_TRUN_SAMPLE_FLAGS;
3781 if (!(flags & MOV_TRUN_SAMPLE_FLAGS) && track->entry > 0 &&
3782 get_sample_flags(track, &track->cluster[0]) != track->default_sample_flags)
3783 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
3784 if (track->flags & MOV_TRACK_CTTS)
3785 flags |= MOV_TRUN_SAMPLE_CTS;
3787 avio_wb32(pb, 0); /* size placeholder */
3788 ffio_wfourcc(pb, "trun");
3789 avio_w8(pb, 0); /* version */
3790 avio_wb24(pb, flags);
3792 avio_wb32(pb, end - first); /* sample count */
3793 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
3794 !(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) &&
3796 avio_wb32(pb, 0); /* Later tracks follow immediately after the previous one */
3798 avio_wb32(pb, moof_size + 8 + track->data_offset +
3799 track->cluster[first].pos); /* data offset */
3800 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
3801 avio_wb32(pb, get_sample_flags(track, &track->cluster[first]));
3803 for (i = first; i < end; i++) {
3804 if (flags & MOV_TRUN_SAMPLE_DURATION)
3805 avio_wb32(pb, get_cluster_duration(track, i));
3806 if (flags & MOV_TRUN_SAMPLE_SIZE)
3807 avio_wb32(pb, track->cluster[i].size);
3808 if (flags & MOV_TRUN_SAMPLE_FLAGS)
3809 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
3810 if (flags & MOV_TRUN_SAMPLE_CTS)
3811 avio_wb32(pb, track->cluster[i].cts);
3814 mov->first_trun = 0;
3815 return update_size(pb, pos);
3818 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
3820 int64_t pos = avio_tell(pb);
3821 static const uint8_t uuid[] = {
3822 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
3823 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
3826 avio_wb32(pb, 0); /* size placeholder */
3827 ffio_wfourcc(pb, "uuid");
3828 avio_write(pb, uuid, sizeof(uuid));
3831 avio_wb64(pb, track->start_dts + track->frag_start +
3832 track->cluster[0].cts);
3833 avio_wb64(pb, track->end_pts -
3834 (track->cluster[0].dts + track->cluster[0].cts));
3836 return update_size(pb, pos);
3839 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
3840 MOVTrack *track, int entry)
3842 int n = track->nb_frag_info - 1 - entry, i;
3843 int size = 8 + 16 + 4 + 1 + 16*n;
3844 static const uint8_t uuid[] = {
3845 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
3846 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
3852 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
3853 avio_wb32(pb, size);
3854 ffio_wfourcc(pb, "uuid");
3855 avio_write(pb, uuid, sizeof(uuid));
3859 for (i = 0; i < n; i++) {
3860 int index = entry + 1 + i;
3861 avio_wb64(pb, track->frag_info[index].time);
3862 avio_wb64(pb, track->frag_info[index].duration);
3864 if (n < mov->ism_lookahead) {
3865 int free_size = 16 * (mov->ism_lookahead - n);
3866 avio_wb32(pb, free_size);
3867 ffio_wfourcc(pb, "free");
3868 ffio_fill(pb, 0, free_size - 8);
3874 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
3877 int64_t pos = avio_tell(pb);
3879 for (i = 0; i < mov->ism_lookahead; i++) {
3880 /* Update the tfrf tag for the last ism_lookahead fragments,
3881 * nb_frag_info - 1 is the next fragment to be written. */
3882 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
3884 avio_seek(pb, pos, SEEK_SET);
3888 static int mov_add_tfra_entries(AVIOContext *pb, MOVMuxContext *mov, int tracks,
3892 for (i = 0; i < mov->nb_streams; i++) {
3893 MOVTrack *track = &mov->tracks[i];
3894 MOVFragmentInfo *info;
3895 if ((tracks >= 0 && i != tracks) || !track->entry)
3897 track->nb_frag_info++;
3898 if (track->nb_frag_info >= track->frag_info_capacity) {
3899 unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT;
3900 if (av_reallocp_array(&track->frag_info,
3902 sizeof(*track->frag_info)))
3903 return AVERROR(ENOMEM);
3904 track->frag_info_capacity = new_capacity;
3906 info = &track->frag_info[track->nb_frag_info - 1];
3907 info->offset = avio_tell(pb);
3909 // Try to recreate the original pts for the first packet
3910 // from the fields we have stored
3911 info->time = track->start_dts + track->frag_start +
3912 track->cluster[0].cts;
3913 info->duration = track->end_pts -
3914 (track->cluster[0].dts + track->cluster[0].cts);
3915 // If the pts is less than zero, we will have trimmed
3916 // away parts of the media track using an edit list,
3917 // and the corresponding start presentation time is zero.
3918 if (info->time < 0) {
3919 info->duration += info->time;
3922 info->tfrf_offset = 0;
3923 mov_write_tfrf_tags(pb, mov, track);
3928 static int mov_write_tfdt_tag(AVIOContext *pb, MOVTrack *track)
3930 int64_t pos = avio_tell(pb);
3932 avio_wb32(pb, 0); /* size */
3933 ffio_wfourcc(pb, "tfdt");
3934 avio_w8(pb, 1); /* version */
3936 avio_wb64(pb, track->frag_start);
3937 return update_size(pb, pos);
3940 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
3941 MOVTrack *track, int64_t moof_offset,
3944 int64_t pos = avio_tell(pb);
3946 avio_wb32(pb, 0); /* size placeholder */
3947 ffio_wfourcc(pb, "traf");
3949 mov_write_tfhd_tag(pb, mov, track, moof_offset);
3950 if (mov->mode != MODE_ISM)
3951 mov_write_tfdt_tag(pb, track);
3952 for (i = 1; i < track->entry; i++) {
3953 if (track->cluster[i].pos != track->cluster[i - 1].pos + track->cluster[i - 1].size) {
3954 mov_write_trun_tag(pb, mov, track, moof_size, start, i);
3958 mov_write_trun_tag(pb, mov, track, moof_size, start, track->entry);
3959 if (mov->mode == MODE_ISM) {
3960 mov_write_tfxd_tag(pb, track);
3962 if (mov->ism_lookahead) {
3963 int i, size = 16 + 4 + 1 + 16 * mov->ism_lookahead;
3965 if (track->nb_frag_info > 0) {
3966 MOVFragmentInfo *info = &track->frag_info[track->nb_frag_info - 1];
3967 if (!info->tfrf_offset)
3968 info->tfrf_offset = avio_tell(pb);
3970 avio_wb32(pb, 8 + size);
3971 ffio_wfourcc(pb, "free");
3972 for (i = 0; i < size; i++)
3977 return update_size(pb, pos);
3980 static int mov_write_moof_tag_internal(AVIOContext *pb, MOVMuxContext *mov,
3981 int tracks, int moof_size)
3983 int64_t pos = avio_tell(pb);
3986 avio_wb32(pb, 0); /* size placeholder */
3987 ffio_wfourcc(pb, "moof");
3988 mov->first_trun = 1;
3990 mov_write_mfhd_tag(pb, mov);
3991 for (i = 0; i < mov->nb_streams; i++) {
3992 MOVTrack *track = &mov->tracks[i];
3993 if (tracks >= 0 && i != tracks)
3997 mov_write_traf_tag(pb, mov, track, pos, moof_size);
4000 return update_size(pb, pos);
4003 static int mov_write_sidx_tag(AVIOContext *pb,
4004 MOVTrack *track, int ref_size, int total_sidx_size)
4006 int64_t pos = avio_tell(pb), offset_pos, end_pos;
4007 int64_t presentation_time, duration, offset;
4008 int starts_with_SAP, i, entries;
4012 presentation_time = track->start_dts + track->frag_start +
4013 track->cluster[0].cts;
4014 duration = track->end_pts -
4015 (track->cluster[0].dts + track->cluster[0].cts);
4016 starts_with_SAP = track->cluster[0].flags & MOV_SYNC_SAMPLE;
4018 // pts<0 should be cut away using edts
4019 if (presentation_time < 0) {
4020 duration += presentation_time;
4021 presentation_time = 0;
4024 entries = track->nb_frag_info;
4027 presentation_time = track->frag_info[0].time;
4030 avio_wb32(pb, 0); /* size */
4031 ffio_wfourcc(pb, "sidx");
4032 avio_w8(pb, 1); /* version */
4034 avio_wb32(pb, track->track_id); /* reference_ID */
4035 avio_wb32(pb, track->timescale); /* timescale */
4036 avio_wb64(pb, presentation_time); /* earliest_presentation_time */
4037 offset_pos = avio_tell(pb);
4038 avio_wb64(pb, 0); /* first_offset (offset to referenced moof) */
4039 avio_wb16(pb, 0); /* reserved */
4041 avio_wb16(pb, entries); /* reference_count */
4042 for (i = 0; i < entries; i++) {
4043 if (!track->entry) {
4044 if (i > 1 && track->frag_info[i].offset != track->frag_info[i - 1].offset + track->frag_info[i - 1].size) {
4045 av_log(NULL, AV_LOG_ERROR, "Non-consecutive fragments, writing incorrect sidx\n");
4047 duration = track->frag_info[i].duration;
4048 ref_size = track->frag_info[i].size;
4049 starts_with_SAP = 1;
4051 avio_wb32(pb, (0 << 31) | (ref_size & 0x7fffffff)); /* reference_type (0 = media) | referenced_size */
4052 avio_wb32(pb, duration); /* subsegment_duration */
4053 avio_wb32(pb, (starts_with_SAP << 31) | (0 << 28) | 0); /* starts_with_SAP | SAP_type | SAP_delta_time */
4056 end_pos = avio_tell(pb);
4057 offset = pos + total_sidx_size - end_pos;
4058 avio_seek(pb, offset_pos, SEEK_SET);
4059 avio_wb64(pb, offset);
4060 avio_seek(pb, end_pos, SEEK_SET);
4061 return update_size(pb, pos);
4064 static int mov_write_sidx_tags(AVIOContext *pb, MOVMuxContext *mov,
4065 int tracks, int ref_size)
4068 AVIOContext *avio_buf;
4070 for (round = 0; round < 2; round++) {
4071 // First run one round to calculate the total size of all
4073 // This would be much simpler if we'd only write one sidx
4074 // atom, for the first track in the moof.
4076 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
4081 for (i = 0; i < mov->nb_streams; i++) {
4082 MOVTrack *track = &mov->tracks[i];
4083 if (tracks >= 0 && i != tracks)
4085 // When writing a sidx for the full file, entry is 0, but
4086 // we want to include all tracks. ref_size is 0 in this case,
4087 // since we read it from frag_info instead.
4088 if (!track->entry && ref_size > 0)
4090 total_size -= mov_write_sidx_tag(avio_buf, track, ref_size,
4094 total_size = ffio_close_null_buf(avio_buf);
4099 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks,
4102 AVIOContext *avio_buf;
4105 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
4107 mov_write_moof_tag_internal(avio_buf, mov, tracks, 0);
4108 moof_size = ffio_close_null_buf(avio_buf);
4110 if (mov->flags & FF_MOV_FLAG_DASH && !(mov->flags & FF_MOV_FLAG_GLOBAL_SIDX))
4111 mov_write_sidx_tags(pb, mov, tracks, moof_size + 8 + mdat_size);
4113 if ((ret = mov_add_tfra_entries(pb, mov, tracks, moof_size + 8 + mdat_size)) < 0)
4116 return mov_write_moof_tag_internal(pb, mov, tracks, moof_size);
4119 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
4121 int64_t pos = avio_tell(pb);
4124 avio_wb32(pb, 0); /* size placeholder */
4125 ffio_wfourcc(pb, "tfra");
4126 avio_w8(pb, 1); /* version */
4129 avio_wb32(pb, track->track_id);
4130 avio_wb32(pb, 0); /* length of traf/trun/sample num */
4131 avio_wb32(pb, track->nb_frag_info);
4132 for (i = 0; i < track->nb_frag_info; i++) {
4133 avio_wb64(pb, track->frag_info[i].time);
4134 avio_wb64(pb, track->frag_info[i].offset + track->data_offset);
4135 avio_w8(pb, 1); /* traf number */
4136 avio_w8(pb, 1); /* trun number */
4137 avio_w8(pb, 1); /* sample number */
4140 return update_size(pb, pos);
4143 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
4145 int64_t pos = avio_tell(pb);
4148 avio_wb32(pb, 0); /* size placeholder */
4149 ffio_wfourcc(pb, "mfra");
4150 /* An empty mfra atom is enough to indicate to the publishing point that
4151 * the stream has ended. */
4152 if (mov->flags & FF_MOV_FLAG_ISML)
4153 return update_size(pb, pos);
4155 for (i = 0; i < mov->nb_streams; i++) {
4156 MOVTrack *track = &mov->tracks[i];
4157 if (track->nb_frag_info)
4158 mov_write_tfra_tag(pb, track);
4162 ffio_wfourcc(pb, "mfro");
4163 avio_wb32(pb, 0); /* version + flags */
4164 avio_wb32(pb, avio_tell(pb) + 4 - pos);
4166 return update_size(pb, pos);
4169 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
4171 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
4172 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
4174 mov->mdat_pos = avio_tell(pb);
4175 avio_wb32(pb, 0); /* size placeholder*/
4176 ffio_wfourcc(pb, "mdat");
4180 /* TODO: This needs to be more general */
4181 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
4183 MOVMuxContext *mov = s->priv_data;
4184 int64_t pos = avio_tell(pb);
4185 int has_h264 = 0, has_video = 0;
4189 for (i = 0; i < s->nb_streams; i++) {
4190 AVStream *st = s->streams[i];
4191 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
4193 if (st->codecpar->codec_id == AV_CODEC_ID_H264)
4197 avio_wb32(pb, 0); /* size */
4198 ffio_wfourcc(pb, "ftyp");
4200 if (mov->major_brand && strlen(mov->major_brand) >= 4)
4201 ffio_wfourcc(pb, mov->major_brand);
4202 else if (mov->mode == MODE_3GP) {
4203 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
4204 minor = has_h264 ? 0x100 : 0x200;
4205 } else if (mov->mode & MODE_3G2) {
4206 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
4207 minor = has_h264 ? 0x20000 : 0x10000;
4208 } else if (mov->mode == MODE_PSP)
4209 ffio_wfourcc(pb, "MSNV");
4210 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
4211 ffio_wfourcc(pb, "iso5"); // Required when using default-base-is-moof
4212 else if (mov->mode == MODE_MP4)
4213 ffio_wfourcc(pb, "isom");
4214 else if (mov->mode == MODE_IPOD)
4215 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
4216 else if (mov->mode == MODE_ISM)
4217 ffio_wfourcc(pb, "isml");
4218 else if (mov->mode == MODE_F4V)
4219 ffio_wfourcc(pb, "f4v ");
4221 ffio_wfourcc(pb, "qt ");
4223 avio_wb32(pb, minor);
4225 if (mov->mode == MODE_MOV)
4226 ffio_wfourcc(pb, "qt ");
4227 else if (mov->mode == MODE_ISM) {
4228 ffio_wfourcc(pb, "piff");
4229 } else if (!(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)) {
4230 ffio_wfourcc(pb, "isom");
4231 ffio_wfourcc(pb, "iso2");
4233 ffio_wfourcc(pb, "avc1");
4236 // We add tfdt atoms when fragmenting, signal this with the iso6 compatible
4237 // brand. This is compatible with users that don't understand tfdt.
4238 if (mov->flags & FF_MOV_FLAG_FRAGMENT && mov->mode != MODE_ISM)
4239 ffio_wfourcc(pb, "iso6");
4241 if (mov->mode == MODE_3GP)
4242 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
4243 else if (mov->mode & MODE_3G2)
4244 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
4245 else if (mov->mode == MODE_PSP)
4246 ffio_wfourcc(pb, "MSNV");
4247 else if (mov->mode == MODE_MP4)
4248 ffio_wfourcc(pb, "mp41");
4250 if (mov->flags & FF_MOV_FLAG_DASH && mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
4251 ffio_wfourcc(pb, "dash");
4253 return update_size(pb, pos);
4256 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
4258 AVStream *video_st = s->streams[0];
4259 AVCodecParameters *video_par = s->streams[0]->codecpar;
4260 AVCodecParameters *audio_par = s->streams[1]->codecpar;
4261 int audio_rate = audio_par->sample_rate;
4262 // TODO: should be avg_frame_rate
4263 int frame_rate = ((video_st->time_base.den) * (0x10000)) / (video_st->time_base.num);
4264 int audio_kbitrate = audio_par->bit_rate / 1000;
4265 int video_kbitrate = FFMIN(video_par->bit_rate / 1000, 800 - audio_kbitrate);
4267 avio_wb32(pb, 0x94); /* size */
4268 ffio_wfourcc(pb, "uuid");
4269 ffio_wfourcc(pb, "PROF");
4271 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
4272 avio_wb32(pb, 0xbb88695c);
4273 avio_wb32(pb, 0xfac9c740);
4275 avio_wb32(pb, 0x0); /* ? */
4276 avio_wb32(pb, 0x3); /* 3 sections ? */
4278 avio_wb32(pb, 0x14); /* size */
4279 ffio_wfourcc(pb, "FPRF");
4280 avio_wb32(pb, 0x0); /* ? */
4281 avio_wb32(pb, 0x0); /* ? */
4282 avio_wb32(pb, 0x0); /* ? */
4284 avio_wb32(pb, 0x2c); /* size */
4285 ffio_wfourcc(pb, "APRF"); /* audio */
4287 avio_wb32(pb, 0x2); /* TrackID */
4288 ffio_wfourcc(pb, "mp4a");
4289 avio_wb32(pb, 0x20f);
4291 avio_wb32(pb, audio_kbitrate);
4292 avio_wb32(pb, audio_kbitrate);
4293 avio_wb32(pb, audio_rate);
4294 avio_wb32(pb, audio_par->channels);
4296 avio_wb32(pb, 0x34); /* size */
4297 ffio_wfourcc(pb, "VPRF"); /* video */
4299 avio_wb32(pb, 0x1); /* TrackID */
4300 if (video_par->codec_id == AV_CODEC_ID_H264) {
4301 ffio_wfourcc(pb, "avc1");
4302 avio_wb16(pb, 0x014D);
4303 avio_wb16(pb, 0x0015);
4305 ffio_wfourcc(pb, "mp4v");
4306 avio_wb16(pb, 0x0000);
4307 avio_wb16(pb, 0x0103);
4310 avio_wb32(pb, video_kbitrate);
4311 avio_wb32(pb, video_kbitrate);
4312 avio_wb32(pb, frame_rate);
4313 avio_wb32(pb, frame_rate);
4314 avio_wb16(pb, video_par->width);
4315 avio_wb16(pb, video_par->height);
4316 avio_wb32(pb, 0x010001); /* ? */
4319 static int mov_write_identification(AVIOContext *pb, AVFormatContext *s)
4321 MOVMuxContext *mov = s->priv_data;
4324 mov_write_ftyp_tag(pb,s);
4325 if (mov->mode == MODE_PSP) {
4326 int video_streams_nb = 0, audio_streams_nb = 0, other_streams_nb = 0;
4327 for (i = 0; i < s->nb_streams; i++) {
4328 AVStream *st = s->streams[i];
4329 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
4331 else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
4337 if (video_streams_nb != 1 || audio_streams_nb != 1 || other_streams_nb) {
4338 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
4339 return AVERROR(EINVAL);
4341 mov_write_uuidprof_tag(pb, s);
4346 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
4349 int i, closed_gop = 0;
4351 for (i = 0; i < pkt->size - 4; i++) {
4352 c = (c << 8) + pkt->data[i];
4353 if (c == 0x1b8) { // gop
4354 closed_gop = pkt->data[i + 4] >> 6 & 0x01;
4355 } else if (c == 0x100) { // pic
4356 int temp_ref = (pkt->data[i + 1] << 2) | (pkt->data[i + 2] >> 6);
4357 if (!temp_ref || closed_gop) // I picture is not reordered
4358 *flags = MOV_SYNC_SAMPLE;
4360 *flags = MOV_PARTIAL_SYNC_SAMPLE;
4367 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk)
4369 const uint8_t *start, *next, *end = pkt->data + pkt->size;
4370 int seq = 0, entry = 0;
4371 int key = pkt->flags & AV_PKT_FLAG_KEY;
4372 start = find_next_marker(pkt->data, end);
4373 for (next = start; next < end; start = next) {
4374 next = find_next_marker(start + 4, end);
4375 switch (AV_RB32(start)) {
4376 case VC1_CODE_SEQHDR:
4379 case VC1_CODE_ENTRYPOINT:
4382 case VC1_CODE_SLICE:
4383 trk->vc1_info.slices = 1;
4387 if (!trk->entry && trk->vc1_info.first_packet_seen)
4388 trk->vc1_info.first_frag_written = 1;
4389 if (!trk->entry && !trk->vc1_info.first_frag_written) {
4390 /* First packet in first fragment */
4391 trk->vc1_info.first_packet_seq = seq;
4392 trk->vc1_info.first_packet_entry = entry;
4393 trk->vc1_info.first_packet_seen = 1;
4394 } else if ((seq && !trk->vc1_info.packet_seq) ||
4395 (entry && !trk->vc1_info.packet_entry)) {
4397 for (i = 0; i < trk->entry; i++)
4398 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
4399 trk->has_keyframes = 0;
4401 trk->vc1_info.packet_seq = 1;
4403 trk->vc1_info.packet_entry = 1;
4404 if (!trk->vc1_info.first_frag_written) {
4405 /* First fragment */
4406 if ((!seq || trk->vc1_info.first_packet_seq) &&
4407 (!entry || trk->vc1_info.first_packet_entry)) {
4408 /* First packet had the same headers as this one, readd the
4409 * sync sample flag. */
4410 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
4411 trk->has_keyframes = 1;
4415 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
4417 else if (trk->vc1_info.packet_seq)
4419 else if (trk->vc1_info.packet_entry)
4422 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
4423 trk->has_keyframes++;
4427 static int mov_flush_fragment_interleaving(AVFormatContext *s, MOVTrack *track)
4429 MOVMuxContext *mov = s->priv_data;
4434 if (!track->mdat_buf)
4436 if (!mov->mdat_buf) {
4437 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
4440 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
4441 track->mdat_buf = NULL;
4443 offset = avio_tell(mov->mdat_buf);
4444 avio_write(mov->mdat_buf, buf, buf_size);
4447 for (i = track->entries_flushed; i < track->entry; i++)
4448 track->cluster[i].pos += offset;
4449 track->entries_flushed = track->entry;
4453 static int mov_flush_fragment(AVFormatContext *s, int force)
4455 MOVMuxContext *mov = s->priv_data;
4456 int i, first_track = -1;
4457 int64_t mdat_size = 0;
4459 int has_video = 0, starts_with_key = 0, first_video_track = 1;
4461 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
4464 // Try to fill in the duration of the last packet in each stream
4465 // from queued packets in the interleave queues. If the flushing
4466 // of fragments was triggered automatically by an AVPacket, we
4467 // already have reliable info for the end of that track, but other
4468 // tracks may need to be filled in.
4469 for (i = 0; i < s->nb_streams; i++) {
4470 MOVTrack *track = &mov->tracks[i];
4471 if (!track->end_reliable) {
4473 const AVPacket *next = ff_interleaved_peek(s, i, &ts_offset);
4475 track->track_duration = next->dts - track->start_dts + ts_offset;
4476 if (next->pts != AV_NOPTS_VALUE)
4477 track->end_pts = next->pts;
4479 track->end_pts = next->dts;
4480 track->end_pts += ts_offset;
4485 for (i = 0; i < mov->nb_streams; i++) {
4486 MOVTrack *track = &mov->tracks[i];
4487 if (track->entry <= 1)
4489 // Sample durations are calculated as the diff of dts values,
4490 // but for the last sample in a fragment, we don't know the dts
4491 // of the first sample in the next fragment, so we have to rely
4492 // on what was set as duration in the AVPacket. Not all callers
4493 // set this though, so we might want to replace it with an
4494 // estimate if it currently is zero.
4495 if (get_cluster_duration(track, track->entry - 1) != 0)
4497 // Use the duration (i.e. dts diff) of the second last sample for
4498 // the last one. This is a wild guess (and fatal if it turns out
4499 // to be too long), but probably the best we can do - having a zero
4500 // duration is bad as well.
4501 track->track_duration += get_cluster_duration(track, track->entry - 2);
4502 track->end_pts += get_cluster_duration(track, track->entry - 2);
4503 if (!mov->missing_duration_warned) {
4504 av_log(s, AV_LOG_WARNING,
4505 "Estimating the duration of the last packet in a "
4506 "fragment, consider setting the duration field in "
4507 "AVPacket instead.\n");
4508 mov->missing_duration_warned = 1;
4512 if (!mov->moov_written) {
4513 int64_t pos = avio_tell(s->pb);
4515 int buf_size, moov_size;
4517 for (i = 0; i < mov->nb_streams; i++)
4518 if (!mov->tracks[i].entry)
4520 /* Don't write the initial moov unless all tracks have data */
4521 if (i < mov->nb_streams && !force)
4524 moov_size = get_moov_size(s);
4525 for (i = 0; i < mov->nb_streams; i++)
4526 mov->tracks[i].data_offset = pos + moov_size + 8;
4528 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_HEADER);
4529 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
4530 mov_write_identification(s->pb, s);
4531 if ((ret = mov_write_moov_tag(s->pb, mov, s)) < 0)
4534 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV) {
4535 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
4536 mov->reserved_header_pos = avio_tell(s->pb);
4538 mov->moov_written = 1;
4542 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
4543 mov->mdat_buf = NULL;
4544 avio_wb32(s->pb, buf_size + 8);
4545 ffio_wfourcc(s->pb, "mdat");
4546 avio_write(s->pb, buf, buf_size);
4549 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
4550 mov->reserved_header_pos = avio_tell(s->pb);
4552 mov->moov_written = 1;
4554 for (i = 0; i < mov->nb_streams; i++) {
4555 if (mov->tracks[i].entry)
4556 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
4557 mov->tracks[i].track_duration -
4558 mov->tracks[i].cluster[0].dts;
4559 mov->tracks[i].entry = 0;
4560 mov->tracks[i].end_reliable = 0;
4566 if (mov->frag_interleave) {
4567 for (i = 0; i < mov->nb_streams; i++) {
4568 MOVTrack *track = &mov->tracks[i];
4570 if ((ret = mov_flush_fragment_interleaving(s, track)) < 0)
4576 mdat_size = avio_tell(mov->mdat_buf);
4579 for (i = 0; i < mov->nb_streams; i++) {
4580 MOVTrack *track = &mov->tracks[i];
4581 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF || mov->frag_interleave)
4582 track->data_offset = 0;
4584 track->data_offset = mdat_size;
4585 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
4587 if (first_video_track) {
4589 starts_with_key = track->cluster[0].flags & MOV_SYNC_SAMPLE;
4590 first_video_track = 0;
4595 if (track->mdat_buf)
4596 mdat_size += avio_tell(track->mdat_buf);
4597 if (first_track < 0)
4604 avio_write_marker(s->pb,
4605 av_rescale(mov->tracks[first_track].cluster[0].dts, AV_TIME_BASE, mov->tracks[first_track].timescale),
4606 (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);
4608 for (i = 0; i < mov->nb_streams; i++) {
4609 MOVTrack *track = &mov->tracks[i];
4610 int buf_size, write_moof = 1, moof_tracks = -1;
4612 int64_t duration = 0;
4615 duration = track->start_dts + track->track_duration -
4616 track->cluster[0].dts;
4617 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
4618 if (!track->mdat_buf)
4620 mdat_size = avio_tell(track->mdat_buf);
4623 write_moof = i == first_track;
4629 mov_write_moof_tag(s->pb, mov, moof_tracks, mdat_size);
4632 avio_wb32(s->pb, mdat_size + 8);
4633 ffio_wfourcc(s->pb, "mdat");
4637 track->frag_start += duration;
4639 track->entries_flushed = 0;
4640 track->end_reliable = 0;
4641 if (!mov->frag_interleave) {
4642 if (!track->mdat_buf)
4644 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
4645 track->mdat_buf = NULL;
4649 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
4650 mov->mdat_buf = NULL;
4653 avio_write(s->pb, buf, buf_size);
4663 static int mov_auto_flush_fragment(AVFormatContext *s, int force)
4665 MOVMuxContext *mov = s->priv_data;
4666 int had_moov = mov->moov_written;
4667 int ret = mov_flush_fragment(s, force);
4670 // If using delay_moov, the first flush only wrote the moov,
4671 // not the actual moof+mdat pair, thus flush once again.
4672 if (!had_moov && mov->flags & FF_MOV_FLAG_DELAY_MOOV)
4673 ret = mov_flush_fragment(s, force);
4677 static int check_pkt(AVFormatContext *s, AVPacket *pkt)
4679 MOVMuxContext *mov = s->priv_data;
4680 MOVTrack *trk = &mov->tracks[pkt->stream_index];
4685 ref = trk->cluster[trk->entry - 1].dts;
4686 } else if (trk->start_dts != AV_NOPTS_VALUE) {
4687 ref = trk->start_dts + trk->track_duration;
4689 ref = pkt->dts; // Skip tests for the first packet
4691 duration = pkt->dts - ref;
4692 if (pkt->dts < ref || duration >= INT_MAX) {
4693 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" / timestamp: %"PRId64" is out of range for mov/mp4 format\n",
4698 pkt->pts = AV_NOPTS_VALUE;
4701 if (pkt->duration < 0 || pkt->duration > INT_MAX) {
4702 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" is invalid\n", pkt->duration);
4703 return AVERROR(EINVAL);
4708 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
4710 MOVMuxContext *mov = s->priv_data;
4711 AVIOContext *pb = s->pb;
4712 MOVTrack *trk = &mov->tracks[pkt->stream_index];
4713 AVCodecParameters *par = trk->par;
4714 unsigned int samples_in_chunk = 0;
4715 int size = pkt->size, ret = 0;
4716 uint8_t *reformatted_data = NULL;
4718 ret = check_pkt(s, pkt);
4722 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
4724 if (mov->moov_written || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
4725 if (mov->frag_interleave && mov->fragments > 0) {
4726 if (trk->entry - trk->entries_flushed >= mov->frag_interleave) {
4727 if ((ret = mov_flush_fragment_interleaving(s, trk)) < 0)
4732 if (!trk->mdat_buf) {
4733 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
4738 if (!mov->mdat_buf) {
4739 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
4746 if (par->codec_id == AV_CODEC_ID_AMR_NB) {
4747 /* We must find out how many AMR blocks there are in one packet */
4748 static const uint16_t packed_size[16] =
4749 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
4752 while (len < size && samples_in_chunk < 100) {
4753 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
4756 if (samples_in_chunk > 1) {
4757 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
4760 } else if (par->codec_id == AV_CODEC_ID_ADPCM_MS ||
4761 par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
4762 samples_in_chunk = trk->par->frame_size;
4763 } else if (trk->sample_size)
4764 samples_in_chunk = size / trk->sample_size;
4766 samples_in_chunk = 1;
4768 /* copy extradata if it exists */
4769 if (trk->vos_len == 0 && par->extradata_size > 0 &&
4770 !TAG_IS_AVCI(trk->tag) &&
4771 (par->codec_id != AV_CODEC_ID_DNXHD)) {
4772 trk->vos_len = par->extradata_size;
4773 trk->vos_data = av_malloc(trk->vos_len);
4774 if (!trk->vos_data) {
4775 ret = AVERROR(ENOMEM);
4778 memcpy(trk->vos_data, par->extradata, trk->vos_len);
4781 if (par->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 &&
4782 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
4783 if (!s->streams[pkt->stream_index]->nb_frames) {
4784 av_log(s, AV_LOG_ERROR, "Malformed AAC bitstream detected: "
4785 "use the audio bitstream filter 'aac_adtstoasc' to fix it "
4786 "('-bsf:a aac_adtstoasc' option with ffmpeg)\n");
4789 av_log(s, AV_LOG_WARNING, "aac bitstream error\n");
4791 if (par->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1 && !TAG_IS_AVCI(trk->tag)) {
4792 /* from x264 or from bytestream H.264 */
4793 /* NAL reformatting needed */
4794 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
4795 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
4797 avio_write(pb, reformatted_data, size);
4799 if (mov->encryption_scheme == MOV_ENC_CENC_AES_CTR) {
4800 size = ff_mov_cenc_avc_parse_nal_units(&trk->cenc, pb, pkt->data, size);
4806 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
4809 } else if (par->codec_id == AV_CODEC_ID_HEVC && trk->vos_len > 6 &&
4810 (AV_RB24(trk->vos_data) == 1 || AV_RB32(trk->vos_data) == 1)) {
4811 /* extradata is Annex B, assume the bitstream is too and convert it */
4812 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
4813 ff_hevc_annexb2mp4_buf(pkt->data, &reformatted_data, &size, 0, NULL);
4814 avio_write(pb, reformatted_data, size);
4816 size = ff_hevc_annexb2mp4(pb, pkt->data, pkt->size, 0, NULL);
4818 #if CONFIG_AC3_PARSER
4819 } else if (par->codec_id == AV_CODEC_ID_EAC3) {
4820 size = handle_eac3(mov, pkt, trk);
4825 avio_write(pb, pkt->data, size);
4828 if (mov->encryption_scheme == MOV_ENC_CENC_AES_CTR) {
4829 if (par->codec_id == AV_CODEC_ID_H264 && par->extradata_size > 4) {
4830 int nal_size_length = (par->extradata[4] & 0x3) + 1;
4831 ret = ff_mov_cenc_avc_write_nal_units(s, &trk->cenc, nal_size_length, pb, pkt->data, size);
4833 ret = ff_mov_cenc_write_packet(&trk->cenc, pb, pkt->data, size);
4840 avio_write(pb, pkt->data, size);
4844 if ((par->codec_id == AV_CODEC_ID_DNXHD ||
4845 par->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len) {
4846 /* copy frame to create needed atoms */
4847 trk->vos_len = size;
4848 trk->vos_data = av_malloc(size);
4849 if (!trk->vos_data) {
4850 ret = AVERROR(ENOMEM);
4853 memcpy(trk->vos_data, pkt->data, size);
4856 if (trk->entry >= trk->cluster_capacity) {
4857 unsigned new_capacity = 2 * (trk->entry + MOV_INDEX_CLUSTER_SIZE);
4858 if (av_reallocp_array(&trk->cluster, new_capacity,
4859 sizeof(*trk->cluster))) {
4860 ret = AVERROR(ENOMEM);
4863 trk->cluster_capacity = new_capacity;
4866 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
4867 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
4868 trk->cluster[trk->entry].chunkNum = 0;
4869 trk->cluster[trk->entry].size = size;
4870 trk->cluster[trk->entry].entries = samples_in_chunk;
4871 trk->cluster[trk->entry].dts = pkt->dts;
4872 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
4873 if (!trk->frag_discont) {
4874 /* First packet of a new fragment. We already wrote the duration
4875 * of the last packet of the previous fragment based on track_duration,
4876 * which might not exactly match our dts. Therefore adjust the dts
4877 * of this packet to be what the previous packets duration implies. */
4878 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
4879 /* We also may have written the pts and the corresponding duration
4880 * in sidx/tfrf/tfxd tags; make sure the sidx pts and duration match up with
4881 * the next fragment. This means the cts of the first sample must
4882 * be the same in all fragments, unless end_pts was updated by
4883 * the packet causing the fragment to be written. */
4884 if ((mov->flags & FF_MOV_FLAG_DASH && !(mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)) ||
4885 mov->mode == MODE_ISM)
4886 pkt->pts = pkt->dts + trk->end_pts - trk->cluster[trk->entry].dts;
4888 /* New fragment, but discontinuous from previous fragments.
4889 * Pretend the duration sum of the earlier fragments is
4890 * pkt->dts - trk->start_dts. */
4891 trk->frag_start = pkt->dts - trk->start_dts;
4892 trk->end_pts = AV_NOPTS_VALUE;
4893 trk->frag_discont = 0;
4897 if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !mov->use_editlist &&
4898 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO) {
4899 /* Not using edit lists and shifting the first track to start from zero.
4900 * If the other streams start from a later timestamp, we won't be able
4901 * to signal the difference in starting time without an edit list.
4902 * Thus move the timestamp for this first sample to 0, increasing
4903 * its duration instead. */
4904 trk->cluster[trk->entry].dts = trk->start_dts = 0;
4906 if (trk->start_dts == AV_NOPTS_VALUE) {
4907 trk->start_dts = pkt->dts;
4908 if (trk->frag_discont) {
4909 if (mov->use_editlist) {
4910 /* Pretend the whole stream started at pts=0, with earlier fragments
4911 * already written. If the stream started at pts=0, the duration sum
4912 * of earlier fragments would have been pkt->pts. */
4913 trk->frag_start = pkt->pts;
4914 trk->start_dts = pkt->dts - pkt->pts;
4916 /* Pretend the whole stream started at dts=0, with earlier fragments
4917 * already written, with a duration summing up to pkt->dts. */
4918 trk->frag_start = pkt->dts;
4921 trk->frag_discont = 0;
4922 } else if (pkt->dts && mov->moov_written)
4923 av_log(s, AV_LOG_WARNING,
4924 "Track %d starts with a nonzero dts %"PRId64", while the moov "
4925 "already has been written. Set the delay_moov flag to handle "
4927 pkt->stream_index, pkt->dts);
4929 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
4930 trk->last_sample_is_subtitle_end = 0;
4932 if (pkt->pts == AV_NOPTS_VALUE) {
4933 av_log(s, AV_LOG_WARNING, "pts has no value\n");
4934 pkt->pts = pkt->dts;
4936 if (pkt->dts != pkt->pts)
4937 trk->flags |= MOV_TRACK_CTTS;
4938 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
4939 trk->cluster[trk->entry].flags = 0;
4940 if (trk->start_cts == AV_NOPTS_VALUE)
4941 trk->start_cts = pkt->pts - pkt->dts;
4942 if (trk->end_pts == AV_NOPTS_VALUE)
4943 trk->end_pts = trk->cluster[trk->entry].dts +
4944 trk->cluster[trk->entry].cts + pkt->duration;
4946 trk->end_pts = FFMAX(trk->end_pts, trk->cluster[trk->entry].dts +
4947 trk->cluster[trk->entry].cts +
4950 if (par->codec_id == AV_CODEC_ID_VC1) {
4951 mov_parse_vc1_frame(pkt, trk);
4952 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
4953 if (mov->mode == MODE_MOV && par->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
4954 trk->entry > 0) { // force sync sample for the first key frame
4955 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
4956 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
4957 trk->flags |= MOV_TRACK_STPS;
4959 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
4961 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
4962 trk->has_keyframes++;
4965 trk->sample_count += samples_in_chunk;
4966 mov->mdat_size += size;
4968 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
4969 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
4970 reformatted_data, size);
4975 av_free(reformatted_data);
4979 static int mov_write_single_packet(AVFormatContext *s, AVPacket *pkt)
4981 MOVMuxContext *mov = s->priv_data;
4982 MOVTrack *trk = &mov->tracks[pkt->stream_index];
4983 AVCodecParameters *par = trk->par;
4984 int64_t frag_duration = 0;
4985 int size = pkt->size;
4987 int ret = check_pkt(s, pkt);
4991 if (mov->flags & FF_MOV_FLAG_FRAG_DISCONT) {
4993 for (i = 0; i < s->nb_streams; i++)
4994 mov->tracks[i].frag_discont = 1;
4995 mov->flags &= ~FF_MOV_FLAG_FRAG_DISCONT;
4999 if (trk->start_dts == AV_NOPTS_VALUE && trk->frag_discont) {
5000 trk->start_dts = pkt->dts;
5001 if (pkt->pts != AV_NOPTS_VALUE)
5002 trk->start_cts = pkt->pts - pkt->dts;
5007 if (trk->par->codec_id == AV_CODEC_ID_MP4ALS) {
5009 uint8_t *side = av_packet_get_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA, &side_size);
5010 if (side && side_size > 0 && (side_size != par->extradata_size || memcmp(side, par->extradata, side_size))) {
5011 void *newextra = av_mallocz(side_size + AV_INPUT_BUFFER_PADDING_SIZE);
5013 return AVERROR(ENOMEM);
5014 av_free(par->extradata);
5015 par->extradata = newextra;
5016 memcpy(par->extradata, side, side_size);
5017 par->extradata_size = side_size;
5018 mov->need_rewrite_extradata = 1;
5022 return 0; /* Discard 0 sized packets */
5025 if (trk->entry && pkt->stream_index < s->nb_streams)
5026 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
5027 s->streams[pkt->stream_index]->time_base,
5029 if ((mov->max_fragment_duration &&
5030 frag_duration >= mov->max_fragment_duration) ||
5031 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
5032 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
5033 par->codec_type == AVMEDIA_TYPE_VIDEO &&
5034 trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) {
5035 if (frag_duration >= mov->min_fragment_duration) {
5036 // Set the duration of this track to line up with the next
5037 // sample in this track. This avoids relying on AVPacket
5038 // duration, but only helps for this particular track, not
5039 // for the other ones that are flushed at the same time.
5040 trk->track_duration = pkt->dts - trk->start_dts;
5041 if (pkt->pts != AV_NOPTS_VALUE)
5042 trk->end_pts = pkt->pts;
5044 trk->end_pts = pkt->dts;
5045 trk->end_reliable = 1;
5046 mov_auto_flush_fragment(s, 0);
5050 return ff_mov_write_packet(s, pkt);
5053 static int mov_write_subtitle_end_packet(AVFormatContext *s,
5057 uint8_t data[2] = {0};
5060 av_init_packet(&end);
5061 end.size = sizeof(data);
5066 end.stream_index = stream_index;
5068 ret = mov_write_single_packet(s, &end);
5069 av_packet_unref(&end);
5074 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
5077 mov_flush_fragment(s, 1);
5081 MOVMuxContext *mov = s->priv_data;
5082 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5085 return mov_write_single_packet(s, pkt); /* Passthrough. */
5088 * Subtitles require special handling.
5090 * 1) For full complaince, every track must have a sample at
5091 * dts == 0, which is rarely true for subtitles. So, as soon
5092 * as we see any packet with dts > 0, write an empty subtitle
5093 * at dts == 0 for any subtitle track with no samples in it.
5095 * 2) For each subtitle track, check if the current packet's
5096 * dts is past the duration of the last subtitle sample. If
5097 * so, we now need to write an end sample for that subtitle.
5099 * This must be done conditionally to allow for subtitles that
5100 * immediately replace each other, in which case an end sample
5101 * is not needed, and is, in fact, actively harmful.
5103 * 3) See mov_write_trailer for how the final end sample is
5106 for (i = 0; i < mov->nb_streams; i++) {
5107 MOVTrack *trk = &mov->tracks[i];
5110 if (trk->par->codec_id == AV_CODEC_ID_MOV_TEXT &&
5111 trk->track_duration < pkt->dts &&
5112 (trk->entry == 0 || !trk->last_sample_is_subtitle_end)) {
5113 ret = mov_write_subtitle_end_packet(s, i, trk->track_duration);
5114 if (ret < 0) return ret;
5115 trk->last_sample_is_subtitle_end = 1;
5119 if (trk->mode == MODE_MOV && trk->par->codec_type == AVMEDIA_TYPE_VIDEO) {
5120 AVPacket *opkt = pkt;
5121 int reshuffle_ret, ret;
5122 if (trk->is_unaligned_qt_rgb) {
5123 int64_t bpc = trk->par->bits_per_coded_sample != 15 ? trk->par->bits_per_coded_sample : 16;
5124 int expected_stride = ((trk->par->width * bpc + 15) >> 4)*2;
5125 reshuffle_ret = ff_reshuffle_raw_rgb(s, &pkt, trk->par, expected_stride);
5126 if (reshuffle_ret < 0)
5127 return reshuffle_ret;
5130 if (trk->par->format == AV_PIX_FMT_PAL8 && !trk->pal_done) {
5131 ret = ff_get_packet_palette(s, opkt, reshuffle_ret, trk->palette);
5136 } else if (trk->par->codec_id == AV_CODEC_ID_RAWVIDEO &&
5137 (trk->par->format == AV_PIX_FMT_GRAY8 ||
5138 trk->par->format == AV_PIX_FMT_MONOBLACK)) {
5139 for (i = 0; i < pkt->size; i++)
5140 pkt->data[i] = ~pkt->data[i];
5142 if (reshuffle_ret) {
5143 ret = mov_write_single_packet(s, pkt);
5146 av_packet_free(&pkt);
5151 return mov_write_single_packet(s, pkt);
5155 // QuickTime chapters involve an additional text track with the chapter names
5156 // as samples, and a tref pointing from the other tracks to the chapter one.
5157 static int mov_create_chapter_track(AVFormatContext *s, int tracknum)
5161 MOVMuxContext *mov = s->priv_data;
5162 MOVTrack *track = &mov->tracks[tracknum];
5163 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
5166 track->mode = mov->mode;
5167 track->tag = MKTAG('t','e','x','t');
5168 track->timescale = MOV_TIMESCALE;
5169 track->par = avcodec_parameters_alloc();
5171 return AVERROR(ENOMEM);
5172 track->par->codec_type = AVMEDIA_TYPE_SUBTITLE;
5174 // These properties are required to make QT recognize the chapter track
5175 uint8_t chapter_properties[43] = { 0, 0, 0, 0, 0, 0, 0, 1, };
5176 if (ff_alloc_extradata(track->par, sizeof(chapter_properties)))
5177 return AVERROR(ENOMEM);
5178 memcpy(track->par->extradata, chapter_properties, sizeof(chapter_properties));
5180 if (avio_open_dyn_buf(&pb) >= 0) {
5184 /* Stub header (usually for Quicktime chapter track) */
5186 avio_wb32(pb, 0x01); // displayFlags
5187 avio_w8(pb, 0x00); // horizontal justification
5188 avio_w8(pb, 0x00); // vertical justification
5189 avio_w8(pb, 0x00); // bgColourRed
5190 avio_w8(pb, 0x00); // bgColourGreen
5191 avio_w8(pb, 0x00); // bgColourBlue
5192 avio_w8(pb, 0x00); // bgColourAlpha
5194 avio_wb16(pb, 0x00); // defTextBoxTop
5195 avio_wb16(pb, 0x00); // defTextBoxLeft
5196 avio_wb16(pb, 0x00); // defTextBoxBottom
5197 avio_wb16(pb, 0x00); // defTextBoxRight
5199 avio_wb16(pb, 0x00); // startChar
5200 avio_wb16(pb, 0x00); // endChar
5201 avio_wb16(pb, 0x01); // fontID
5202 avio_w8(pb, 0x00); // fontStyleFlags
5203 avio_w8(pb, 0x00); // fontSize
5204 avio_w8(pb, 0x00); // fgColourRed
5205 avio_w8(pb, 0x00); // fgColourGreen
5206 avio_w8(pb, 0x00); // fgColourBlue
5207 avio_w8(pb, 0x00); // fgColourAlpha
5209 avio_wb32(pb, 0x0D); // box size
5210 ffio_wfourcc(pb, "ftab"); // box atom name
5211 avio_wb16(pb, 0x01); // entry count
5213 avio_wb16(pb, 0x01); // font ID
5214 avio_w8(pb, 0x00); // font name length
5216 if ((size = avio_close_dyn_buf(pb, &buf)) > 0) {
5217 track->par->extradata = buf;
5218 track->par->extradata_size = size;
5225 for (i = 0; i < s->nb_chapters; i++) {
5226 AVChapter *c = s->chapters[i];
5227 AVDictionaryEntry *t;
5229 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
5230 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
5231 pkt.duration = end - pkt.dts;
5233 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
5234 static const char encd[12] = {
5235 0x00, 0x00, 0x00, 0x0C,
5237 0x00, 0x00, 0x01, 0x00 };
5238 len = strlen(t->value);
5239 pkt.size = len + 2 + 12;
5240 pkt.data = av_malloc(pkt.size);
5242 return AVERROR(ENOMEM);
5243 AV_WB16(pkt.data, len);
5244 memcpy(pkt.data + 2, t->value, len);
5245 memcpy(pkt.data + len + 2, encd, sizeof(encd));
5246 ff_mov_write_packet(s, &pkt);
5247 av_freep(&pkt.data);
5255 static int mov_check_timecode_track(AVFormatContext *s, AVTimecode *tc, int src_index, const char *tcstr)
5259 /* compute the frame number */
5260 ret = av_timecode_init_from_string(tc, find_fps(s, s->streams[src_index]), tcstr, s);
5264 static int mov_create_timecode_track(AVFormatContext *s, int index, int src_index, AVTimecode tc)
5267 MOVMuxContext *mov = s->priv_data;
5268 MOVTrack *track = &mov->tracks[index];
5269 AVStream *src_st = s->streams[src_index];
5270 AVPacket pkt = {.stream_index = index, .flags = AV_PKT_FLAG_KEY, .size = 4};
5271 AVRational rate = find_fps(s, src_st);
5273 /* tmcd track based on video stream */
5274 track->mode = mov->mode;
5275 track->tag = MKTAG('t','m','c','d');
5276 track->src_track = src_index;
5277 track->timescale = mov->tracks[src_index].timescale;
5278 if (tc.flags & AV_TIMECODE_FLAG_DROPFRAME)
5279 track->timecode_flags |= MOV_TIMECODE_FLAG_DROPFRAME;
5281 /* set st to src_st for metadata access*/
5284 /* encode context: tmcd data stream */
5285 track->par = avcodec_parameters_alloc();
5287 return AVERROR(ENOMEM);
5288 track->par->codec_type = AVMEDIA_TYPE_DATA;
5289 track->par->codec_tag = track->tag;
5290 track->st->avg_frame_rate = av_inv_q(rate);
5292 /* the tmcd track just contains one packet with the frame number */
5293 pkt.data = av_malloc(pkt.size);
5295 return AVERROR(ENOMEM);
5296 AV_WB32(pkt.data, tc.start);
5297 ret = ff_mov_write_packet(s, &pkt);
5303 * st->disposition controls the "enabled" flag in the tkhd tag.
5304 * QuickTime will not play a track if it is not enabled. So make sure
5305 * that one track of each type (audio, video, subtitle) is enabled.
5307 * Subtitles are special. For audio and video, setting "enabled" also
5308 * makes the track "default" (i.e. it is rendered when played). For
5309 * subtitles, an "enabled" subtitle is not rendered by default, but
5310 * if no subtitle is enabled, the subtitle menu in QuickTime will be
5313 static void enable_tracks(AVFormatContext *s)
5315 MOVMuxContext *mov = s->priv_data;
5317 int enabled[AVMEDIA_TYPE_NB];
5318 int first[AVMEDIA_TYPE_NB];
5320 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
5325 for (i = 0; i < s->nb_streams; i++) {
5326 AVStream *st = s->streams[i];
5328 if (st->codecpar->codec_type <= AVMEDIA_TYPE_UNKNOWN ||
5329 st->codecpar->codec_type >= AVMEDIA_TYPE_NB)
5332 if (first[st->codecpar->codec_type] < 0)
5333 first[st->codecpar->codec_type] = i;
5334 if (st->disposition & AV_DISPOSITION_DEFAULT) {
5335 mov->tracks[i].flags |= MOV_TRACK_ENABLED;
5336 enabled[st->codecpar->codec_type]++;
5340 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
5342 case AVMEDIA_TYPE_VIDEO:
5343 case AVMEDIA_TYPE_AUDIO:
5344 case AVMEDIA_TYPE_SUBTITLE:
5346 mov->per_stream_grouping = 1;
5347 if (!enabled[i] && first[i] >= 0)
5348 mov->tracks[first[i]].flags |= MOV_TRACK_ENABLED;
5354 static void mov_free(AVFormatContext *s)
5356 MOVMuxContext *mov = s->priv_data;
5359 if (mov->chapter_track) {
5360 if (mov->tracks[mov->chapter_track].par)
5361 av_freep(&mov->tracks[mov->chapter_track].par->extradata);
5362 av_freep(&mov->tracks[mov->chapter_track].par);
5365 for (i = 0; i < mov->nb_streams; i++) {
5366 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
5367 ff_mov_close_hinting(&mov->tracks[i]);
5368 else if (mov->tracks[i].tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd)
5369 av_freep(&mov->tracks[i].par);
5370 av_freep(&mov->tracks[i].cluster);
5371 av_freep(&mov->tracks[i].frag_info);
5373 if (mov->tracks[i].vos_len)
5374 av_freep(&mov->tracks[i].vos_data);
5376 ff_mov_cenc_free(&mov->tracks[i].cenc);
5379 av_freep(&mov->tracks);
5382 static uint32_t rgb_to_yuv(uint32_t rgb)
5387 r = (rgb >> 16) & 0xFF;
5388 g = (rgb >> 8) & 0xFF;
5391 y = av_clip_uint8(( 16000 + 257 * r + 504 * g + 98 * b)/1000);
5392 cb = av_clip_uint8((128000 - 148 * r - 291 * g + 439 * b)/1000);
5393 cr = av_clip_uint8((128000 + 439 * r - 368 * g - 71 * b)/1000);
5395 return (y << 16) | (cr << 8) | cb;
5398 static int mov_create_dvd_sub_decoder_specific_info(MOVTrack *track,
5401 int i, width = 720, height = 480;
5402 int have_palette = 0, have_size = 0;
5403 uint32_t palette[16];
5404 char *cur = st->codecpar->extradata;
5406 while (cur && *cur) {
5407 if (strncmp("palette:", cur, 8) == 0) {
5409 count = sscanf(cur + 8,
5410 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
5411 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
5412 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
5413 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32"",
5414 &palette[ 0], &palette[ 1], &palette[ 2], &palette[ 3],
5415 &palette[ 4], &palette[ 5], &palette[ 6], &palette[ 7],
5416 &palette[ 8], &palette[ 9], &palette[10], &palette[11],
5417 &palette[12], &palette[13], &palette[14], &palette[15]);
5419 for (i = 0; i < count; i++) {
5420 palette[i] = rgb_to_yuv(palette[i]);
5423 } else if (!strncmp("size:", cur, 5)) {
5424 sscanf(cur + 5, "%dx%d", &width, &height);
5427 if (have_palette && have_size)
5429 cur += strcspn(cur, "\n\r");
5430 cur += strspn(cur, "\n\r");
5433 track->vos_data = av_malloc(16*4);
5434 if (!track->vos_data)
5435 return AVERROR(ENOMEM);
5436 for (i = 0; i < 16; i++) {
5437 AV_WB32(track->vos_data + i * 4, palette[i]);
5439 track->vos_len = 16 * 4;
5441 st->codecpar->width = width;
5442 st->codecpar->height = track->height = height;
5447 static int mov_write_header(AVFormatContext *s)
5449 AVIOContext *pb = s->pb;
5450 MOVMuxContext *mov = s->priv_data;
5451 AVDictionaryEntry *t, *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
5452 int i, ret, hint_track = 0, tmcd_track = 0;
5456 /* Default mode == MP4 */
5457 mov->mode = MODE_MP4;
5460 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
5461 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
5462 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
5463 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
5464 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
5465 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
5466 else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V;
5469 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
5470 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV;
5472 /* Set the FRAGMENT flag if any of the fragmentation methods are
5474 if (mov->max_fragment_duration || mov->max_fragment_size ||
5475 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
5476 FF_MOV_FLAG_FRAG_KEYFRAME |
5477 FF_MOV_FLAG_FRAG_CUSTOM))
5478 mov->flags |= FF_MOV_FLAG_FRAGMENT;
5480 /* Set other implicit flags immediately */
5481 if (mov->mode == MODE_ISM)
5482 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
5483 FF_MOV_FLAG_FRAGMENT;
5484 if (mov->flags & FF_MOV_FLAG_DASH)
5485 mov->flags |= FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_EMPTY_MOOV |
5486 FF_MOV_FLAG_DEFAULT_BASE_MOOF;
5488 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
5489 mov->reserved_moov_size = -1;
5492 if (mov->use_editlist < 0) {
5493 mov->use_editlist = 1;
5494 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
5495 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
5496 // If we can avoid needing an edit list by shifting the
5497 // tracks, prefer that over (trying to) write edit lists
5498 // in fragmented output.
5499 if (s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO ||
5500 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO)
5501 mov->use_editlist = 0;
5504 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
5505 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV) && mov->use_editlist)
5506 av_log(s, AV_LOG_WARNING, "No meaningful edit list will be written when using empty_moov without delay_moov\n");
5508 if (!mov->use_editlist && s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO)
5509 s->avoid_negative_ts = AVFMT_AVOID_NEG_TS_MAKE_ZERO;
5511 /* Clear the omit_tfhd_offset flag if default_base_moof is set;
5512 * if the latter is set that's enough and omit_tfhd_offset doesn't
5513 * add anything extra on top of that. */
5514 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
5515 mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
5516 mov->flags &= ~FF_MOV_FLAG_OMIT_TFHD_OFFSET;
5518 if (mov->frag_interleave &&
5519 mov->flags & (FF_MOV_FLAG_OMIT_TFHD_OFFSET | FF_MOV_FLAG_SEPARATE_MOOF)) {
5520 av_log(s, AV_LOG_ERROR,
5521 "Sample interleaving in fragments is mutually exclusive with "
5522 "omit_tfhd_offset and separate_moof\n");
5523 return AVERROR(EINVAL);
5526 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
5527 * is enabled, we don't support non-seekable output at all. */
5528 if (!s->pb->seekable &&
5529 (!(mov->flags & FF_MOV_FLAG_FRAGMENT) || mov->ism_lookahead)) {
5530 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
5531 return AVERROR(EINVAL);
5534 if (!(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
5535 if ((ret = mov_write_identification(pb, s)) < 0)
5539 mov->nb_streams = s->nb_streams;
5540 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
5541 mov->chapter_track = mov->nb_streams++;
5543 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
5544 /* Add hint tracks for each audio and video stream */
5545 hint_track = mov->nb_streams;
5546 for (i = 0; i < s->nb_streams; i++) {
5547 AVStream *st = s->streams[i];
5548 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ||
5549 st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
5555 if ( mov->write_tmcd == -1 && (mov->mode == MODE_MOV || mov->mode == MODE_MP4)
5556 || mov->write_tmcd == 1) {
5557 tmcd_track = mov->nb_streams;
5559 /* +1 tmcd track for each video stream with a timecode */
5560 for (i = 0; i < s->nb_streams; i++) {
5561 AVStream *st = s->streams[i];
5563 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO &&
5564 (t || (t=av_dict_get(st->metadata, "timecode", NULL, 0)))) {
5566 ret = mov_check_timecode_track(s, &tc, i, t->value);
5568 mov->nb_meta_tmcd++;
5572 /* check if there is already a tmcd track to remux */
5573 if (mov->nb_meta_tmcd) {
5574 for (i = 0; i < s->nb_streams; i++) {
5575 AVStream *st = s->streams[i];
5576 if (st->codecpar->codec_tag == MKTAG('t','m','c','d')) {
5577 av_log(s, AV_LOG_WARNING, "You requested a copy of the original timecode track "
5578 "so timecode metadata are now ignored\n");
5579 mov->nb_meta_tmcd = 0;
5584 mov->nb_streams += mov->nb_meta_tmcd;
5587 // Reserve an extra stream for chapters for the case where chapters
5588 // are written in the trailer
5589 mov->tracks = av_mallocz_array((mov->nb_streams + 1), sizeof(*mov->tracks));
5591 return AVERROR(ENOMEM);
5593 if (mov->encryption_scheme_str != NULL && strcmp(mov->encryption_scheme_str, "none") != 0) {
5594 if (strcmp(mov->encryption_scheme_str, "cenc-aes-ctr") == 0) {
5595 mov->encryption_scheme = MOV_ENC_CENC_AES_CTR;
5597 if (mov->encryption_key_len != AES_CTR_KEY_SIZE) {
5598 av_log(s, AV_LOG_ERROR, "Invalid encryption key len %d expected %d\n",
5599 mov->encryption_key_len, AES_CTR_KEY_SIZE);
5600 ret = AVERROR(EINVAL);
5604 if (mov->encryption_kid_len != CENC_KID_SIZE) {
5605 av_log(s, AV_LOG_ERROR, "Invalid encryption kid len %d expected %d\n",
5606 mov->encryption_kid_len, CENC_KID_SIZE);
5607 ret = AVERROR(EINVAL);
5611 av_log(s, AV_LOG_ERROR, "unsupported encryption scheme %s\n",
5612 mov->encryption_scheme_str);
5613 ret = AVERROR(EINVAL);
5618 for (i = 0; i < s->nb_streams; i++) {
5619 AVStream *st= s->streams[i];
5620 MOVTrack *track= &mov->tracks[i];
5621 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
5624 track->par = st->codecpar;
5625 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
5626 if (track->language < 0)
5627 track->language = 0;
5628 track->mode = mov->mode;
5629 track->tag = mov_find_codec_tag(s, track);
5631 av_log(s, AV_LOG_ERROR, "Could not find tag for codec %s in stream #%d, "
5632 "codec not currently supported in container\n",
5633 avcodec_get_name(st->codecpar->codec_id), i);
5634 ret = AVERROR(EINVAL);
5637 /* If hinting of this track is enabled by a later hint track,
5638 * this is updated. */
5639 track->hint_track = -1;
5640 track->start_dts = AV_NOPTS_VALUE;
5641 track->start_cts = AV_NOPTS_VALUE;
5642 track->end_pts = AV_NOPTS_VALUE;
5643 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
5644 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
5645 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
5646 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
5647 if (st->codecpar->width != 720 || (st->codecpar->height != 608 && st->codecpar->height != 512)) {
5648 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
5649 ret = AVERROR(EINVAL);
5652 track->height = track->tag >> 24 == 'n' ? 486 : 576;
5654 if (mov->video_track_timescale) {
5655 track->timescale = mov->video_track_timescale;
5657 track->timescale = st->time_base.den;
5658 while(track->timescale < 10000)
5659 track->timescale *= 2;
5661 if (st->codecpar->width > 65535 || st->codecpar->height > 65535) {
5662 av_log(s, AV_LOG_ERROR, "Resolution %dx%d too large for mov/mp4\n", st->codecpar->width, st->codecpar->height);
5663 ret = AVERROR(EINVAL);
5666 if (track->mode == MODE_MOV && track->timescale > 100000)
5667 av_log(s, AV_LOG_WARNING,
5668 "WARNING codec timebase is very high. If duration is too long,\n"
5669 "file may not be playable by quicktime. Specify a shorter timebase\n"
5670 "or choose different container.\n");
5671 if (track->mode == MODE_MOV &&
5672 track->par->codec_id == AV_CODEC_ID_RAWVIDEO &&
5673 track->tag == MKTAG('r','a','w',' ')) {
5674 enum AVPixelFormat pix_fmt = track->par->format;
5675 if (pix_fmt == AV_PIX_FMT_NONE && track->par->bits_per_coded_sample == 1)
5676 pix_fmt = AV_PIX_FMT_MONOWHITE;
5677 track->is_unaligned_qt_rgb =
5678 pix_fmt == AV_PIX_FMT_RGB24 ||
5679 pix_fmt == AV_PIX_FMT_BGR24 ||
5680 pix_fmt == AV_PIX_FMT_PAL8 ||
5681 pix_fmt == AV_PIX_FMT_GRAY8 ||
5682 pix_fmt == AV_PIX_FMT_MONOWHITE ||
5683 pix_fmt == AV_PIX_FMT_MONOBLACK;
5685 if (track->mode == MODE_MP4 &&
5686 track->par->codec_id == AV_CODEC_ID_VP9) {
5687 if (s->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
5688 av_log(s, AV_LOG_ERROR,
5689 "VP9 in MP4 support is experimental, add "
5690 "'-strict %d' if you want to use it.\n",
5691 FF_COMPLIANCE_EXPERIMENTAL);
5692 ret = AVERROR_EXPERIMENTAL;
5696 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
5697 track->timescale = st->codecpar->sample_rate;
5698 if (!st->codecpar->frame_size && !av_get_bits_per_sample(st->codecpar->codec_id)) {
5699 av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i);
5700 track->audio_vbr = 1;
5701 }else if (st->codecpar->codec_id == AV_CODEC_ID_ADPCM_MS ||
5702 st->codecpar->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
5703 st->codecpar->codec_id == AV_CODEC_ID_ILBC){
5704 if (!st->codecpar->block_align) {
5705 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
5706 ret = AVERROR(EINVAL);
5709 track->sample_size = st->codecpar->block_align;
5710 }else if (st->codecpar->frame_size > 1){ /* assume compressed audio */
5711 track->audio_vbr = 1;
5713 track->sample_size = (av_get_bits_per_sample(st->codecpar->codec_id) >> 3) * st->codecpar->channels;
5715 if (st->codecpar->codec_id == AV_CODEC_ID_ILBC ||
5716 st->codecpar->codec_id == AV_CODEC_ID_ADPCM_IMA_QT) {
5717 track->audio_vbr = 1;
5719 if (track->mode != MODE_MOV &&
5720 track->par->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
5721 if (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL) {
5722 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not standard, to mux anyway set strict to -1\n",
5723 i, track->par->sample_rate);
5724 ret = AVERROR(EINVAL);
5727 av_log(s, AV_LOG_WARNING, "track %d: muxing mp3 at %dhz is not standard in MP4\n",
5728 i, track->par->sample_rate);
5731 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) {
5732 track->timescale = st->time_base.den;
5733 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_DATA) {
5734 track->timescale = st->time_base.den;
5736 track->timescale = MOV_TIMESCALE;
5739 track->height = st->codecpar->height;
5740 /* The ism specific timescale isn't mandatory, but is assumed by
5741 * some tools, such as mp4split. */
5742 if (mov->mode == MODE_ISM)
5743 track->timescale = 10000000;
5745 avpriv_set_pts_info(st, 64, 1, track->timescale);
5747 /* copy extradata if it exists */
5748 if (st->codecpar->extradata_size) {
5749 if (st->codecpar->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
5750 mov_create_dvd_sub_decoder_specific_info(track, st);
5751 else if (!TAG_IS_AVCI(track->tag) && st->codecpar->codec_id != AV_CODEC_ID_DNXHD) {
5752 track->vos_len = st->codecpar->extradata_size;
5753 track->vos_data = av_malloc(track->vos_len);
5754 if (!track->vos_data) {
5755 ret = AVERROR(ENOMEM);
5758 memcpy(track->vos_data, st->codecpar->extradata, track->vos_len);
5762 if (mov->encryption_scheme == MOV_ENC_CENC_AES_CTR) {
5763 ret = ff_mov_cenc_init(&track->cenc, mov->encryption_key,
5764 track->par->codec_id == AV_CODEC_ID_H264, s->flags & AVFMT_FLAG_BITEXACT);
5771 for (i = 0; i < s->nb_streams; i++) {
5773 AVStream *st= s->streams[i];
5774 MOVTrack *track= &mov->tracks[i];
5776 if (st->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ||
5777 track->par->channel_layout != AV_CH_LAYOUT_MONO)
5780 for (j = 0; j < s->nb_streams; j++) {
5781 AVStream *stj= s->streams[j];
5782 MOVTrack *trackj= &mov->tracks[j];
5786 if (stj->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ||
5787 trackj->par->channel_layout != AV_CH_LAYOUT_MONO ||
5788 trackj->language != track->language ||
5789 trackj->tag != track->tag
5792 track->multichannel_as_mono++;
5799 if (mov->reserved_moov_size){
5800 mov->reserved_header_pos = avio_tell(pb);
5801 if (mov->reserved_moov_size > 0)
5802 avio_skip(pb, mov->reserved_moov_size);
5805 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
5806 /* If no fragmentation options have been set, set a default. */
5807 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
5808 FF_MOV_FLAG_FRAG_CUSTOM)) &&
5809 !mov->max_fragment_duration && !mov->max_fragment_size)
5810 mov->flags |= FF_MOV_FLAG_FRAG_KEYFRAME;
5812 if (mov->flags & FF_MOV_FLAG_FASTSTART)
5813 mov->reserved_header_pos = avio_tell(pb);
5814 mov_write_mdat_tag(pb, mov);
5817 ff_parse_creation_time_metadata(s, &mov->time, 1);
5819 mov->time += 0x7C25B080; // 1970 based -> 1904 based
5821 if (mov->chapter_track)
5822 if ((ret = mov_create_chapter_track(s, mov->chapter_track)) < 0)
5825 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
5826 /* Initialize the hint tracks for each audio and video stream */
5827 for (i = 0; i < s->nb_streams; i++) {
5828 AVStream *st = s->streams[i];
5829 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ||
5830 st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
5831 if ((ret = ff_mov_init_hinting(s, hint_track, i)) < 0)
5838 if (mov->nb_meta_tmcd) {
5839 /* Initialize the tmcd tracks */
5840 for (i = 0; i < s->nb_streams; i++) {
5841 AVStream *st = s->streams[i];
5844 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
5847 t = av_dict_get(st->metadata, "timecode", NULL, 0);
5850 if (mov_check_timecode_track(s, &tc, i, t->value) < 0)
5852 if ((ret = mov_create_timecode_track(s, tmcd_track, i, tc)) < 0)
5861 if (mov->flags & FF_MOV_FLAG_ISML)
5862 mov_write_isml_manifest(pb, mov, s);
5864 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
5865 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
5866 if ((ret = mov_write_moov_tag(pb, mov, s)) < 0)
5869 mov->moov_written = 1;
5870 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
5871 mov->reserved_header_pos = avio_tell(pb);
5880 static int get_moov_size(AVFormatContext *s)
5883 AVIOContext *moov_buf;
5884 MOVMuxContext *mov = s->priv_data;
5886 if ((ret = ffio_open_null_buf(&moov_buf)) < 0)
5888 if ((ret = mov_write_moov_tag(moov_buf, mov, s)) < 0)
5890 return ffio_close_null_buf(moov_buf);
5893 static int get_sidx_size(AVFormatContext *s)
5897 MOVMuxContext *mov = s->priv_data;
5899 if ((ret = ffio_open_null_buf(&buf)) < 0)
5901 mov_write_sidx_tags(buf, mov, -1, 0);
5902 return ffio_close_null_buf(buf);
5906 * This function gets the moov size if moved to the top of the file: the chunk
5907 * offset table can switch between stco (32-bit entries) to co64 (64-bit
5908 * entries) when the moov is moved to the beginning, so the size of the moov
5909 * would change. It also updates the chunk offset tables.
5911 static int compute_moov_size(AVFormatContext *s)
5913 int i, moov_size, moov_size2;
5914 MOVMuxContext *mov = s->priv_data;
5916 moov_size = get_moov_size(s);
5920 for (i = 0; i < mov->nb_streams; i++)
5921 mov->tracks[i].data_offset += moov_size;
5923 moov_size2 = get_moov_size(s);
5927 /* if the size changed, we just switched from stco to co64 and need to
5928 * update the offsets */
5929 if (moov_size2 != moov_size)
5930 for (i = 0; i < mov->nb_streams; i++)
5931 mov->tracks[i].data_offset += moov_size2 - moov_size;
5936 static int compute_sidx_size(AVFormatContext *s)
5939 MOVMuxContext *mov = s->priv_data;
5941 sidx_size = get_sidx_size(s);
5945 for (i = 0; i < mov->nb_streams; i++)
5946 mov->tracks[i].data_offset += sidx_size;
5951 static int shift_data(AVFormatContext *s)
5953 int ret = 0, moov_size;
5954 MOVMuxContext *mov = s->priv_data;
5955 int64_t pos, pos_end = avio_tell(s->pb);
5956 uint8_t *buf, *read_buf[2];
5957 int read_buf_id = 0;
5959 AVIOContext *read_pb;
5961 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
5962 moov_size = compute_sidx_size(s);
5964 moov_size = compute_moov_size(s);
5968 buf = av_malloc(moov_size * 2);
5970 return AVERROR(ENOMEM);
5972 read_buf[1] = buf + moov_size;
5974 /* Shift the data: the AVIO context of the output can only be used for
5975 * writing, so we re-open the same output, but for reading. It also avoids
5976 * a read/seek/write/seek back and forth. */
5978 ret = s->io_open(s, &read_pb, s->filename, AVIO_FLAG_READ, NULL);
5980 av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for "
5981 "the second pass (faststart)\n", s->filename);
5985 /* mark the end of the shift to up to the last data we wrote, and get ready
5987 pos_end = avio_tell(s->pb);
5988 avio_seek(s->pb, mov->reserved_header_pos + moov_size, SEEK_SET);
5990 /* start reading at where the new moov will be placed */
5991 avio_seek(read_pb, mov->reserved_header_pos, SEEK_SET);
5992 pos = avio_tell(read_pb);
5994 #define READ_BLOCK do { \
5995 read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
5999 /* shift data by chunk of at most moov_size */
6004 n = read_size[read_buf_id];
6007 avio_write(s->pb, read_buf[read_buf_id], n);
6009 } while (pos < pos_end);
6010 ff_format_io_close(s, &read_pb);
6017 static int mov_write_trailer(AVFormatContext *s)
6019 MOVMuxContext *mov = s->priv_data;
6020 AVIOContext *pb = s->pb;
6025 if (mov->need_rewrite_extradata) {
6026 for (i = 0; i < s->nb_streams; i++) {
6027 MOVTrack *track = &mov->tracks[i];
6028 AVCodecParameters *par = track->par;
6030 track->vos_len = par->extradata_size;
6031 track->vos_data = av_malloc(track->vos_len);
6032 if (!track->vos_data) {
6033 res = AVERROR(ENOMEM);
6036 memcpy(track->vos_data, par->extradata, track->vos_len);
6038 mov->need_rewrite_extradata = 0;
6042 * Before actually writing the trailer, make sure that there are no
6043 * dangling subtitles, that need a terminating sample.
6045 for (i = 0; i < mov->nb_streams; i++) {
6046 MOVTrack *trk = &mov->tracks[i];
6047 if (trk->par->codec_id == AV_CODEC_ID_MOV_TEXT &&
6048 !trk->last_sample_is_subtitle_end) {
6049 mov_write_subtitle_end_packet(s, i, trk->track_duration);
6050 trk->last_sample_is_subtitle_end = 1;
6054 // If there were no chapters when the header was written, but there
6055 // are chapters now, write them in the trailer. This only works
6056 // when we are not doing fragments.
6057 if (!mov->chapter_track && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
6058 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters) {
6059 mov->chapter_track = mov->nb_streams++;
6060 if ((res = mov_create_chapter_track(s, mov->chapter_track)) < 0)
6065 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
6066 moov_pos = avio_tell(pb);
6068 /* Write size of mdat tag */
6069 if (mov->mdat_size + 8 <= UINT32_MAX) {
6070 avio_seek(pb, mov->mdat_pos, SEEK_SET);
6071 avio_wb32(pb, mov->mdat_size + 8);
6073 /* overwrite 'wide' placeholder atom */
6074 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
6075 /* special value: real atom size will be 64 bit value after
6078 ffio_wfourcc(pb, "mdat");
6079 avio_wb64(pb, mov->mdat_size + 16);
6081 avio_seek(pb, mov->reserved_moov_size > 0 ? mov->reserved_header_pos : moov_pos, SEEK_SET);
6083 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
6084 av_log(s, AV_LOG_INFO, "Starting second pass: moving the moov atom to the beginning of the file\n");
6085 res = shift_data(s);
6088 avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
6089 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6091 } else if (mov->reserved_moov_size > 0) {
6093 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6095 size = mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_header_pos);
6097 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
6098 res = AVERROR(EINVAL);
6101 avio_wb32(pb, size);
6102 ffio_wfourcc(pb, "free");
6103 ffio_fill(pb, 0, size - 8);
6104 avio_seek(pb, moov_pos, SEEK_SET);
6106 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6111 mov_auto_flush_fragment(s, 1);
6112 for (i = 0; i < mov->nb_streams; i++)
6113 mov->tracks[i].data_offset = 0;
6114 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX) {
6116 av_log(s, AV_LOG_INFO, "Starting second pass: inserting sidx atoms\n");
6117 res = shift_data(s);
6120 end = avio_tell(pb);
6121 avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
6122 mov_write_sidx_tags(pb, mov, -1, 0);
6123 avio_seek(pb, end, SEEK_SET);
6124 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_TRAILER);
6125 mov_write_mfra_tag(pb, mov);
6127 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_TRAILER);
6128 mov_write_mfra_tag(pb, mov);
6138 #if CONFIG_MOV_MUXER
6140 AVOutputFormat ff_mov_muxer = {
6142 .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
6143 .extensions = "mov",
6144 .priv_data_size = sizeof(MOVMuxContext),
6145 .audio_codec = AV_CODEC_ID_AAC,
6146 .video_codec = CONFIG_LIBX264_ENCODER ?
6147 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
6148 .write_header = mov_write_header,
6149 .write_packet = mov_write_packet,
6150 .write_trailer = mov_write_trailer,
6151 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6152 .codec_tag = (const AVCodecTag* const []){
6153 ff_codec_movvideo_tags, ff_codec_movaudio_tags, 0
6155 .priv_class = &mov_muxer_class,
6158 #if CONFIG_TGP_MUXER
6160 AVOutputFormat ff_tgp_muxer = {
6162 .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
6163 .extensions = "3gp",
6164 .priv_data_size = sizeof(MOVMuxContext),
6165 .audio_codec = AV_CODEC_ID_AMR_NB,
6166 .video_codec = AV_CODEC_ID_H263,
6167 .write_header = mov_write_header,
6168 .write_packet = mov_write_packet,
6169 .write_trailer = mov_write_trailer,
6170 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6171 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
6172 .priv_class = &tgp_muxer_class,
6175 #if CONFIG_MP4_MUXER
6177 AVOutputFormat ff_mp4_muxer = {
6179 .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
6180 .mime_type = "video/mp4",
6181 .extensions = "mp4",
6182 .priv_data_size = sizeof(MOVMuxContext),
6183 .audio_codec = AV_CODEC_ID_AAC,
6184 .video_codec = CONFIG_LIBX264_ENCODER ?
6185 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
6186 .write_header = mov_write_header,
6187 .write_packet = mov_write_packet,
6188 .write_trailer = mov_write_trailer,
6189 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6190 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
6191 .priv_class = &mp4_muxer_class,
6194 #if CONFIG_PSP_MUXER
6196 AVOutputFormat ff_psp_muxer = {
6198 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
6199 .extensions = "mp4,psp",
6200 .priv_data_size = sizeof(MOVMuxContext),
6201 .audio_codec = AV_CODEC_ID_AAC,
6202 .video_codec = CONFIG_LIBX264_ENCODER ?
6203 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
6204 .write_header = mov_write_header,
6205 .write_packet = mov_write_packet,
6206 .write_trailer = mov_write_trailer,
6207 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6208 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
6209 .priv_class = &psp_muxer_class,
6212 #if CONFIG_TG2_MUXER
6214 AVOutputFormat ff_tg2_muxer = {
6216 .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
6217 .extensions = "3g2",
6218 .priv_data_size = sizeof(MOVMuxContext),
6219 .audio_codec = AV_CODEC_ID_AMR_NB,
6220 .video_codec = AV_CODEC_ID_H263,
6221 .write_header = mov_write_header,
6222 .write_packet = mov_write_packet,
6223 .write_trailer = mov_write_trailer,
6224 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6225 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
6226 .priv_class = &tg2_muxer_class,
6229 #if CONFIG_IPOD_MUXER
6231 AVOutputFormat ff_ipod_muxer = {
6233 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
6234 .mime_type = "video/mp4",
6235 .extensions = "m4v,m4a",
6236 .priv_data_size = sizeof(MOVMuxContext),
6237 .audio_codec = AV_CODEC_ID_AAC,
6238 .video_codec = AV_CODEC_ID_H264,
6239 .write_header = mov_write_header,
6240 .write_packet = mov_write_packet,
6241 .write_trailer = mov_write_trailer,
6242 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6243 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
6244 .priv_class = &ipod_muxer_class,
6247 #if CONFIG_ISMV_MUXER
6249 AVOutputFormat ff_ismv_muxer = {
6251 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
6252 .mime_type = "video/mp4",
6253 .extensions = "ismv,isma",
6254 .priv_data_size = sizeof(MOVMuxContext),
6255 .audio_codec = AV_CODEC_ID_AAC,
6256 .video_codec = AV_CODEC_ID_H264,
6257 .write_header = mov_write_header,
6258 .write_packet = mov_write_packet,
6259 .write_trailer = mov_write_trailer,
6260 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6261 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
6262 .priv_class = &ismv_muxer_class,
6265 #if CONFIG_F4V_MUXER
6267 AVOutputFormat ff_f4v_muxer = {
6269 .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
6270 .mime_type = "application/f4v",
6271 .extensions = "f4v",
6272 .priv_data_size = sizeof(MOVMuxContext),
6273 .audio_codec = AV_CODEC_ID_AAC,
6274 .video_codec = AV_CODEC_ID_H264,
6275 .write_header = mov_write_header,
6276 .write_packet = mov_write_packet,
6277 .write_trailer = mov_write_trailer,
6278 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
6279 .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 },
6280 .priv_class = &f4v_muxer_class,