3 * Copyright (c) 2003 Thomas Raivio
4 * Copyright (c) 2004 Gildas Bazin <gbazin at videolan dot org>
5 * Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
7 * This file is part of FFmpeg.
9 * FFmpeg is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
14 * FFmpeg is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with FFmpeg; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
29 #include "avio_internal.h"
34 #include "libavcodec/ac3_parser.h"
35 #include "libavcodec/dnxhddata.h"
36 #include "libavcodec/get_bits.h"
37 #include "libavcodec/put_bits.h"
38 #include "libavcodec/vc1_common.h"
39 #include "libavcodec/raw.h"
41 #include "libavutil/avstring.h"
42 #include "libavutil/intfloat.h"
43 #include "libavutil/mathematics.h"
44 #include "libavutil/libm.h"
45 #include "libavutil/opt.h"
46 #include "libavutil/dict.h"
47 #include "libavutil/pixdesc.h"
48 #include "libavutil/timecode.h"
49 #include "libavutil/color_utils.h"
55 static const AVOption options[] = {
56 { "movflags", "MOV muxer flags", offsetof(MOVMuxContext, flags), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
57 { "rtphint", "Add RTP hint tracks", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_RTP_HINT}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
58 { "moov_size", "maximum moov size so it can be placed at the begin", offsetof(MOVMuxContext, reserved_moov_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, 0 },
59 { "empty_moov", "Make the initial moov atom empty", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_EMPTY_MOOV}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
60 { "frag_keyframe", "Fragment at video keyframes", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FRAG_KEYFRAME}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
61 { "separate_moof", "Write separate moof/mdat atoms for each track", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_SEPARATE_MOOF}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
62 { "frag_custom", "Flush fragments on caller requests", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FRAG_CUSTOM}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
63 { "isml", "Create a live smooth streaming feed (for pushing to a publishing point)", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_ISML}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
64 { "faststart", "Run a second pass to put the index (moov atom) at the beginning of the file", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FASTSTART}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
65 { "omit_tfhd_offset", "Omit the base data offset in tfhd atoms", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_OMIT_TFHD_OFFSET}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
66 { "disable_chpl", "Disable Nero chapter atom", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_DISABLE_CHPL}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
67 { "default_base_moof", "Set the default-base-is-moof flag in tfhd atoms", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_DEFAULT_BASE_MOOF}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
68 { "dash", "Write DASH compatible fragmented MP4", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_DASH}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
69 { "frag_discont", "Signal that the next fragment is discontinuous from earlier ones", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FRAG_DISCONT}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
70 { "delay_moov", "Delay writing the initial moov until the first fragment is cut, or until the first fragment flush", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_DELAY_MOOV}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
71 { "global_sidx", "Write a global sidx index at the start of the file", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_GLOBAL_SIDX}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
72 { "write_colr", "Write colr atom (Experimental, may be renamed or changed, do not use from scripts)", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_WRITE_COLR}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
73 { "write_gama", "Write deprecated gama atom", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_WRITE_GAMA}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
74 { "use_metadata_tags", "Use mdta atom for metadata.", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_USE_MDTA}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
75 FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
76 { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
77 { "iods_audio_profile", "iods audio profile atom.", offsetof(MOVMuxContext, iods_audio_profile), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM},
78 { "iods_video_profile", "iods video profile atom.", offsetof(MOVMuxContext, iods_video_profile), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM},
79 { "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
80 { "min_frag_duration", "Minimum fragment duration", offsetof(MOVMuxContext, min_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
81 { "frag_size", "Maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
82 { "ism_lookahead", "Number of lookahead entries for ISM files", offsetof(MOVMuxContext, ism_lookahead), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
83 { "video_track_timescale", "set timescale of all video tracks", offsetof(MOVMuxContext, video_track_timescale), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
84 { "brand", "Override major brand", offsetof(MOVMuxContext, major_brand), AV_OPT_TYPE_STRING, {.str = NULL}, .flags = AV_OPT_FLAG_ENCODING_PARAM },
85 { "use_editlist", "use edit list", offsetof(MOVMuxContext, use_editlist), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM},
86 { "fragment_index", "Fragment number of the next fragment", offsetof(MOVMuxContext, fragments), AV_OPT_TYPE_INT, {.i64 = 1}, 1, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
87 { "mov_gamma", "gamma value for gama atom", offsetof(MOVMuxContext, gamma), AV_OPT_TYPE_FLOAT, {.dbl = 0.0 }, 0.0, 10, AV_OPT_FLAG_ENCODING_PARAM},
88 { "frag_interleave", "Interleave samples within fragments (max number of consecutive samples, lower is tighter interleaving, but with more overhead)", offsetof(MOVMuxContext, frag_interleave), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
89 { "encryption_scheme", "Configures the encryption scheme, allowed values are none, cenc-aes-ctr", offsetof(MOVMuxContext, encryption_scheme_str), AV_OPT_TYPE_STRING, {.str = NULL}, .flags = AV_OPT_FLAG_ENCODING_PARAM },
90 { "encryption_key", "The media encryption key (hex)", offsetof(MOVMuxContext, encryption_key), AV_OPT_TYPE_BINARY, .flags = AV_OPT_FLAG_ENCODING_PARAM },
91 { "encryption_kid", "The media encryption key identifier (hex)", offsetof(MOVMuxContext, encryption_kid), AV_OPT_TYPE_BINARY, .flags = AV_OPT_FLAG_ENCODING_PARAM },
92 { "use_stream_ids_as_track_ids", "use stream ids as track ids", offsetof(MOVMuxContext, use_stream_ids_as_track_ids), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
93 { "write_tmcd", "force or disable writing tmcd", offsetof(MOVMuxContext, write_tmcd), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM},
97 #define MOV_CLASS(flavor)\
98 static const AVClass flavor ## _muxer_class = {\
99 .class_name = #flavor " muxer",\
100 .item_name = av_default_item_name,\
102 .version = LIBAVUTIL_VERSION_INT,\
105 static int get_moov_size(AVFormatContext *s);
107 static int utf8len(const uint8_t *b)
112 GET_UTF8(val, *b++, return -1;)
118 //FIXME support 64 bit variant with wide placeholders
119 static int64_t update_size(AVIOContext *pb, int64_t pos)
121 int64_t curpos = avio_tell(pb);
122 avio_seek(pb, pos, SEEK_SET);
123 avio_wb32(pb, curpos - pos); /* rewrite size */
124 avio_seek(pb, curpos, SEEK_SET);
129 static int co64_required(const MOVTrack *track)
131 if (track->entry > 0 && track->cluster[track->entry - 1].pos + track->data_offset > UINT32_MAX)
136 /* Chunk offset atom */
137 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
140 int mode64 = co64_required(track); // use 32 bit size variant if possible
141 int64_t pos = avio_tell(pb);
142 avio_wb32(pb, 0); /* size */
144 ffio_wfourcc(pb, "co64");
146 ffio_wfourcc(pb, "stco");
147 avio_wb32(pb, 0); /* version & flags */
148 avio_wb32(pb, track->chunkCount); /* entry count */
149 for (i = 0; i < track->entry; i++) {
150 if (!track->cluster[i].chunkNum)
153 avio_wb64(pb, track->cluster[i].pos + track->data_offset);
155 avio_wb32(pb, track->cluster[i].pos + track->data_offset);
157 return update_size(pb, pos);
160 /* Sample size atom */
161 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
164 int i, j, entries = 0, tst = -1, oldtst = -1;
166 int64_t pos = avio_tell(pb);
167 avio_wb32(pb, 0); /* size */
168 ffio_wfourcc(pb, "stsz");
169 avio_wb32(pb, 0); /* version & flags */
171 for (i = 0; i < track->entry; i++) {
172 tst = track->cluster[i].size / track->cluster[i].entries;
173 if (oldtst != -1 && tst != oldtst)
176 entries += track->cluster[i].entries;
178 if (equalChunks && track->entry) {
179 int sSize = track->entry ? track->cluster[0].size / track->cluster[0].entries : 0;
180 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
181 avio_wb32(pb, sSize); // sample size
182 avio_wb32(pb, entries); // sample count
184 avio_wb32(pb, 0); // sample size
185 avio_wb32(pb, entries); // sample count
186 for (i = 0; i < track->entry; i++) {
187 for (j = 0; j < track->cluster[i].entries; j++) {
188 avio_wb32(pb, track->cluster[i].size /
189 track->cluster[i].entries);
193 return update_size(pb, pos);
196 /* Sample to chunk atom */
197 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
199 int index = 0, oldval = -1, i;
200 int64_t entryPos, curpos;
202 int64_t pos = avio_tell(pb);
203 avio_wb32(pb, 0); /* size */
204 ffio_wfourcc(pb, "stsc");
205 avio_wb32(pb, 0); // version & flags
206 entryPos = avio_tell(pb);
207 avio_wb32(pb, track->chunkCount); // entry count
208 for (i = 0; i < track->entry; i++) {
209 if (oldval != track->cluster[i].samples_in_chunk && track->cluster[i].chunkNum) {
210 avio_wb32(pb, track->cluster[i].chunkNum); // first chunk
211 avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
212 avio_wb32(pb, 0x1); // sample description index
213 oldval = track->cluster[i].samples_in_chunk;
217 curpos = avio_tell(pb);
218 avio_seek(pb, entryPos, SEEK_SET);
219 avio_wb32(pb, index); // rewrite size
220 avio_seek(pb, curpos, SEEK_SET);
222 return update_size(pb, pos);
225 /* Sync sample atom */
226 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
228 int64_t curpos, entryPos;
230 int64_t pos = avio_tell(pb);
231 avio_wb32(pb, 0); // size
232 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
233 avio_wb32(pb, 0); // version & flags
234 entryPos = avio_tell(pb);
235 avio_wb32(pb, track->entry); // entry count
236 for (i = 0; i < track->entry; i++) {
237 if (track->cluster[i].flags & flag) {
238 avio_wb32(pb, i + 1);
242 curpos = avio_tell(pb);
243 avio_seek(pb, entryPos, SEEK_SET);
244 avio_wb32(pb, index); // rewrite size
245 avio_seek(pb, curpos, SEEK_SET);
246 return update_size(pb, pos);
249 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
251 avio_wb32(pb, 0x11); /* size */
252 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
253 else ffio_wfourcc(pb, "damr");
254 ffio_wfourcc(pb, "FFMP");
255 avio_w8(pb, 0); /* decoder version */
257 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
258 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
259 avio_w8(pb, 0x01); /* Frames per sample */
263 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
268 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
270 if (track->vos_len < 7)
274 ffio_wfourcc(pb, "dac3");
276 init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
277 fscod = get_bits(&gbc, 2);
278 frmsizecod = get_bits(&gbc, 6);
279 bsid = get_bits(&gbc, 5);
280 bsmod = get_bits(&gbc, 3);
281 acmod = get_bits(&gbc, 3);
283 skip_bits(&gbc, 2); // dsurmod
285 if ((acmod & 1) && acmod != 1)
286 skip_bits(&gbc, 2); // cmixlev
288 skip_bits(&gbc, 2); // surmixlev
290 lfeon = get_bits1(&gbc);
292 init_put_bits(&pbc, buf, sizeof(buf));
293 put_bits(&pbc, 2, fscod);
294 put_bits(&pbc, 5, bsid);
295 put_bits(&pbc, 3, bsmod);
296 put_bits(&pbc, 3, acmod);
297 put_bits(&pbc, 1, lfeon);
298 put_bits(&pbc, 5, frmsizecod >> 1); // bit_rate_code
299 put_bits(&pbc, 5, 0); // reserved
301 flush_put_bits(&pbc);
302 avio_write(pb, buf, sizeof(buf));
312 /* Layout of the EC3SpecificBox */
313 /* maximum bitrate */
315 /* number of independent substreams */
318 /* sample rate code (see ff_ac3_sample_rate_tab) 2 bits */
320 /* bit stream identification 5 bits */
322 /* one bit reserved */
323 /* audio service mixing (not supported yet) 1 bit */
324 /* bit stream mode 3 bits */
326 /* audio coding mode 3 bits */
328 /* sub woofer on 1 bit */
330 /* 3 bits reserved */
331 /* number of dependent substreams associated with this substream 4 bits */
333 /* channel locations of the dependent substream(s), if any, 9 bits */
335 /* if there is no dependent substream, then one bit reserved instead */
336 } substream[1]; /* TODO: support 8 independent substreams */
339 #if CONFIG_AC3_PARSER
340 static int handle_eac3(MOVMuxContext *mov, AVPacket *pkt, MOVTrack *track)
343 AC3HeaderInfo tmp, *hdr = &tmp;
344 struct eac3_info *info;
347 if (!track->eac3_priv && !(track->eac3_priv = av_mallocz(sizeof(*info))))
348 return AVERROR(ENOMEM);
349 info = track->eac3_priv;
351 init_get_bits(&gbc, pkt->data, pkt->size * 8);
352 if (avpriv_ac3_parse_header(&gbc, &hdr) < 0) {
353 /* drop the packets until we see a good one */
355 av_log(mov, AV_LOG_WARNING, "Dropping invalid packet from start of the stream\n");
358 return AVERROR_INVALIDDATA;
361 info->data_rate = FFMAX(info->data_rate, hdr->bit_rate / 1000);
362 num_blocks = hdr->num_blocks;
364 if (!info->ec3_done) {
365 /* AC-3 substream must be the first one */
366 if (hdr->bitstream_id <= 10 && hdr->substreamid != 0)
367 return AVERROR(EINVAL);
369 /* this should always be the case, given that our AC-3 parser
370 * concatenates dependent frames to their independent parent */
371 if (hdr->frame_type == EAC3_FRAME_TYPE_INDEPENDENT) {
372 /* substream ids must be incremental */
373 if (hdr->substreamid > info->num_ind_sub + 1)
374 return AVERROR(EINVAL);
376 if (hdr->substreamid == info->num_ind_sub + 1) {
377 //info->num_ind_sub++;
378 avpriv_request_sample(track->par, "Multiple independent substreams");
379 return AVERROR_PATCHWELCOME;
380 } else if (hdr->substreamid < info->num_ind_sub ||
381 hdr->substreamid == 0 && info->substream[0].bsid) {
387 /* fill the info needed for the "dec3" atom */
388 info->substream[hdr->substreamid].fscod = hdr->sr_code;
389 info->substream[hdr->substreamid].bsid = hdr->bitstream_id;
390 info->substream[hdr->substreamid].bsmod = hdr->bitstream_mode;
391 info->substream[hdr->substreamid].acmod = hdr->channel_mode;
392 info->substream[hdr->substreamid].lfeon = hdr->lfe_on;
394 /* Parse dependent substream(s), if any */
395 if (pkt->size != hdr->frame_size) {
396 int cumul_size = hdr->frame_size;
397 int parent = hdr->substreamid;
399 while (cumul_size != pkt->size) {
401 init_get_bits(&gbc, pkt->data + cumul_size, (pkt->size - cumul_size) * 8);
402 if (avpriv_ac3_parse_header(&gbc, &hdr) < 0)
403 return AVERROR_INVALIDDATA;
404 if (hdr->frame_type != EAC3_FRAME_TYPE_DEPENDENT)
405 return AVERROR(EINVAL);
406 cumul_size += hdr->frame_size;
407 info->substream[parent].num_dep_sub++;
409 /* header is parsed up to lfeon, but custom channel map may be needed */
412 /* skip volume control params */
413 for (i = 0; i < (hdr->channel_mode ? 1 : 2); i++) {
414 skip_bits(&gbc, 5); // skip dialog normalization
415 if (get_bits1(&gbc)) {
416 skip_bits(&gbc, 8); // skip compression gain word
419 /* get the dependent stream channel map, if exists */
421 info->substream[parent].chan_loc |= (get_bits(&gbc, 16) >> 5) & 0x1f;
423 info->substream[parent].chan_loc |= hdr->channel_mode;
429 if (!info->num_blocks && num_blocks == 6)
431 else if (info->num_blocks + num_blocks > 6)
432 return AVERROR_INVALIDDATA;
434 if (!info->num_blocks) {
436 if ((ret = av_copy_packet(&info->pkt, pkt)) < 0)
438 info->num_blocks = num_blocks;
442 if ((ret = av_grow_packet(&info->pkt, pkt->size)) < 0)
444 memcpy(info->pkt.data + info->pkt.size - pkt->size, pkt->data, pkt->size);
445 info->num_blocks += num_blocks;
446 info->pkt.duration += pkt->duration;
447 if ((ret = av_copy_packet_side_data(&info->pkt, pkt)) < 0)
449 if (info->num_blocks != 6)
451 av_packet_unref(pkt);
452 if ((ret = av_copy_packet(pkt, &info->pkt)) < 0)
454 av_packet_unref(&info->pkt);
455 info->num_blocks = 0;
462 static int mov_write_eac3_tag(AVIOContext *pb, MOVTrack *track)
466 struct eac3_info *info;
469 if (!track->eac3_priv)
470 return AVERROR(EINVAL);
472 info = track->eac3_priv;
473 size = 2 + 4 * (info->num_ind_sub + 1);
474 buf = av_malloc(size);
476 size = AVERROR(ENOMEM);
480 init_put_bits(&pbc, buf, size);
481 put_bits(&pbc, 13, info->data_rate);
482 put_bits(&pbc, 3, info->num_ind_sub);
483 for (i = 0; i <= info->num_ind_sub; i++) {
484 put_bits(&pbc, 2, info->substream[i].fscod);
485 put_bits(&pbc, 5, info->substream[i].bsid);
486 put_bits(&pbc, 1, 0); /* reserved */
487 put_bits(&pbc, 1, 0); /* asvc */
488 put_bits(&pbc, 3, info->substream[i].bsmod);
489 put_bits(&pbc, 3, info->substream[i].acmod);
490 put_bits(&pbc, 1, info->substream[i].lfeon);
491 put_bits(&pbc, 5, 0); /* reserved */
492 put_bits(&pbc, 4, info->substream[i].num_dep_sub);
493 if (!info->substream[i].num_dep_sub) {
494 put_bits(&pbc, 1, 0); /* reserved */
497 put_bits(&pbc, 9, info->substream[i].chan_loc);
500 flush_put_bits(&pbc);
502 avio_wb32(pb, size + 8);
503 ffio_wfourcc(pb, "dec3");
504 avio_write(pb, buf, size);
509 av_packet_unref(&info->pkt);
510 av_freep(&track->eac3_priv);
516 * This function writes extradata "as is".
517 * Extradata must be formatted like a valid atom (with size and tag).
519 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
521 avio_write(pb, track->par->extradata, track->par->extradata_size);
522 return track->par->extradata_size;
525 static int mov_write_enda_tag(AVIOContext *pb)
528 ffio_wfourcc(pb, "enda");
529 avio_wb16(pb, 1); /* little endian */
533 static int mov_write_enda_tag_be(AVIOContext *pb)
536 ffio_wfourcc(pb, "enda");
537 avio_wb16(pb, 0); /* big endian */
541 static void put_descr(AVIOContext *pb, int tag, unsigned int size)
546 avio_w8(pb, (size >> (7 * i)) | 0x80);
547 avio_w8(pb, size & 0x7F);
550 static unsigned compute_avg_bitrate(MOVTrack *track)
554 if (!track->track_duration)
556 for (i = 0; i < track->entry; i++)
557 size += track->cluster[i].size;
558 return size * 8 * track->timescale / track->track_duration;
561 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
563 AVCPBProperties *props;
564 int64_t pos = avio_tell(pb);
565 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
566 unsigned avg_bitrate;
568 avio_wb32(pb, 0); // size
569 ffio_wfourcc(pb, "esds");
570 avio_wb32(pb, 0); // Version
573 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
574 avio_wb16(pb, track->track_id);
575 avio_w8(pb, 0x00); // flags (= no flags)
577 // DecoderConfig descriptor
578 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
580 // Object type indication
581 if ((track->par->codec_id == AV_CODEC_ID_MP2 ||
582 track->par->codec_id == AV_CODEC_ID_MP3) &&
583 track->par->sample_rate > 24000)
584 avio_w8(pb, 0x6B); // 11172-3
586 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->par->codec_id));
588 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
589 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
590 if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
591 avio_w8(pb, (0x38 << 2) | 1); // flags (= NeroSubpicStream)
592 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
593 avio_w8(pb, 0x15); // flags (= Audiostream)
595 avio_w8(pb, 0x11); // flags (= Visualstream)
597 props = (AVCPBProperties*)av_stream_get_side_data(track->st, AV_PKT_DATA_CPB_PROPERTIES,
600 avio_wb24(pb, props ? props->buffer_size / 8 : 0); // Buffersize DB
602 avg_bitrate = compute_avg_bitrate(track);
603 avio_wb32(pb, props ? FFMAX3(props->max_bitrate, props->avg_bitrate, avg_bitrate) : FFMAX(track->par->bit_rate, avg_bitrate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
604 avio_wb32(pb, avg_bitrate);
606 if (track->vos_len) {
607 // DecoderSpecific info descriptor
608 put_descr(pb, 0x05, track->vos_len);
609 avio_write(pb, track->vos_data, track->vos_len);
613 put_descr(pb, 0x06, 1);
615 return update_size(pb, pos);
618 static int mov_pcm_le_gt16(enum AVCodecID codec_id)
620 return codec_id == AV_CODEC_ID_PCM_S24LE ||
621 codec_id == AV_CODEC_ID_PCM_S32LE ||
622 codec_id == AV_CODEC_ID_PCM_F32LE ||
623 codec_id == AV_CODEC_ID_PCM_F64LE;
626 static int mov_pcm_be_gt16(enum AVCodecID codec_id)
628 return codec_id == AV_CODEC_ID_PCM_S24BE ||
629 codec_id == AV_CODEC_ID_PCM_S32BE ||
630 codec_id == AV_CODEC_ID_PCM_F32BE ||
631 codec_id == AV_CODEC_ID_PCM_F64BE;
634 static int mov_write_ms_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
637 int64_t pos = avio_tell(pb);
639 avio_wl32(pb, track->tag); // store it byteswapped
640 track->par->codec_tag = av_bswap16(track->tag >> 16);
641 if ((ret = ff_put_wav_header(s, pb, track->par, 0)) < 0)
643 return update_size(pb, pos);
646 static int mov_write_wfex_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
649 int64_t pos = avio_tell(pb);
651 ffio_wfourcc(pb, "wfex");
652 if ((ret = ff_put_wav_header(s, pb, track->st->codecpar, FF_PUT_WAV_HEADER_FORCE_WAVEFORMATEX)) < 0)
654 return update_size(pb, pos);
657 static int mov_write_chan_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
659 uint32_t layout_tag, bitmap;
660 int64_t pos = avio_tell(pb);
662 layout_tag = ff_mov_get_channel_layout_tag(track->par->codec_id,
663 track->par->channel_layout,
666 av_log(s, AV_LOG_WARNING, "not writing 'chan' tag due to "
667 "lack of channel information\n");
671 if (track->multichannel_as_mono)
674 avio_wb32(pb, 0); // Size
675 ffio_wfourcc(pb, "chan"); // Type
676 avio_w8(pb, 0); // Version
677 avio_wb24(pb, 0); // Flags
678 avio_wb32(pb, layout_tag); // mChannelLayoutTag
679 avio_wb32(pb, bitmap); // mChannelBitmap
680 avio_wb32(pb, 0); // mNumberChannelDescriptions
682 return update_size(pb, pos);
685 static int mov_write_wave_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
687 int64_t pos = avio_tell(pb);
689 avio_wb32(pb, 0); /* size */
690 ffio_wfourcc(pb, "wave");
692 if (track->par->codec_id != AV_CODEC_ID_QDM2) {
693 avio_wb32(pb, 12); /* size */
694 ffio_wfourcc(pb, "frma");
695 avio_wl32(pb, track->tag);
698 if (track->par->codec_id == AV_CODEC_ID_AAC) {
699 /* useless atom needed by mplayer, ipod, not needed by quicktime */
700 avio_wb32(pb, 12); /* size */
701 ffio_wfourcc(pb, "mp4a");
703 mov_write_esds_tag(pb, track);
704 } else if (mov_pcm_le_gt16(track->par->codec_id)) {
705 mov_write_enda_tag(pb);
706 } else if (mov_pcm_be_gt16(track->par->codec_id)) {
707 mov_write_enda_tag_be(pb);
708 } else if (track->par->codec_id == AV_CODEC_ID_AMR_NB) {
709 mov_write_amr_tag(pb, track);
710 } else if (track->par->codec_id == AV_CODEC_ID_AC3) {
711 mov_write_ac3_tag(pb, track);
712 } else if (track->par->codec_id == AV_CODEC_ID_EAC3) {
713 mov_write_eac3_tag(pb, track);
714 } else if (track->par->codec_id == AV_CODEC_ID_ALAC ||
715 track->par->codec_id == AV_CODEC_ID_QDM2) {
716 mov_write_extradata_tag(pb, track);
717 } else if (track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
718 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
719 mov_write_ms_tag(s, pb, track);
722 avio_wb32(pb, 8); /* size */
723 avio_wb32(pb, 0); /* null tag */
725 return update_size(pb, pos);
728 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
731 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
732 int unescaped_size, seq_found = 0;
733 int level = 0, interlace = 0;
734 int packet_seq = track->vc1_info.packet_seq;
735 int packet_entry = track->vc1_info.packet_entry;
736 int slices = track->vc1_info.slices;
739 if (track->start_dts == AV_NOPTS_VALUE) {
740 /* No packets written yet, vc1_info isn't authoritative yet. */
741 /* Assume inline sequence and entry headers. */
742 packet_seq = packet_entry = 1;
743 av_log(NULL, AV_LOG_WARNING,
744 "moov atom written before any packets, unable to write correct "
745 "dvc1 atom. Set the delay_moov flag to fix this.\n");
748 unescaped = av_mallocz(track->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
750 return AVERROR(ENOMEM);
751 start = find_next_marker(track->vos_data, end);
752 for (next = start; next < end; start = next) {
755 next = find_next_marker(start + 4, end);
756 size = next - start - 4;
759 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
760 init_get_bits(&gb, unescaped, 8 * unescaped_size);
761 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
762 int profile = get_bits(&gb, 2);
763 if (profile != PROFILE_ADVANCED) {
765 return AVERROR(ENOSYS);
768 level = get_bits(&gb, 3);
769 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
771 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
772 skip_bits(&gb, 1); /* broadcast */
773 interlace = get_bits1(&gb);
774 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
779 return AVERROR(ENOSYS);
782 init_put_bits(&pbc, buf, 7);
783 /* VC1DecSpecStruc */
784 put_bits(&pbc, 4, 12); /* profile - advanced */
785 put_bits(&pbc, 3, level);
786 put_bits(&pbc, 1, 0); /* reserved */
787 /* VC1AdvDecSpecStruc */
788 put_bits(&pbc, 3, level);
789 put_bits(&pbc, 1, 0); /* cbr */
790 put_bits(&pbc, 6, 0); /* reserved */
791 put_bits(&pbc, 1, !interlace); /* no interlace */
792 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
793 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
794 put_bits(&pbc, 1, !slices); /* no slice code */
795 put_bits(&pbc, 1, 0); /* no bframe */
796 put_bits(&pbc, 1, 0); /* reserved */
799 if (track->st->avg_frame_rate.num > 0 && track->st->avg_frame_rate.den > 0)
800 put_bits32(&pbc, track->st->avg_frame_rate.num / track->st->avg_frame_rate.den);
802 put_bits32(&pbc, 0xffffffff);
804 flush_put_bits(&pbc);
811 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
813 uint8_t buf[7] = { 0 };
816 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
819 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
820 ffio_wfourcc(pb, "dvc1");
821 avio_write(pb, buf, sizeof(buf));
822 avio_write(pb, track->vos_data, track->vos_len);
827 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
829 avio_wb32(pb, track->vos_len + 8);
830 ffio_wfourcc(pb, "glbl");
831 avio_write(pb, track->vos_data, track->vos_len);
832 return 8 + track->vos_len;
836 * Compute flags for 'lpcm' tag.
837 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
839 static int mov_get_lpcm_flags(enum AVCodecID codec_id)
842 case AV_CODEC_ID_PCM_F32BE:
843 case AV_CODEC_ID_PCM_F64BE:
845 case AV_CODEC_ID_PCM_F32LE:
846 case AV_CODEC_ID_PCM_F64LE:
848 case AV_CODEC_ID_PCM_U8:
850 case AV_CODEC_ID_PCM_S16BE:
851 case AV_CODEC_ID_PCM_S24BE:
852 case AV_CODEC_ID_PCM_S32BE:
854 case AV_CODEC_ID_PCM_S8:
855 case AV_CODEC_ID_PCM_S16LE:
856 case AV_CODEC_ID_PCM_S24LE:
857 case AV_CODEC_ID_PCM_S32LE:
864 static int get_cluster_duration(MOVTrack *track, int cluster_idx)
868 if (cluster_idx >= track->entry)
871 if (cluster_idx + 1 == track->entry)
872 next_dts = track->track_duration + track->start_dts;
874 next_dts = track->cluster[cluster_idx + 1].dts;
876 next_dts -= track->cluster[cluster_idx].dts;
878 av_assert0(next_dts >= 0);
879 av_assert0(next_dts <= INT_MAX);
884 static int get_samples_per_packet(MOVTrack *track)
886 int i, first_duration;
888 // return track->par->frame_size;
890 /* use 1 for raw PCM */
891 if (!track->audio_vbr)
894 /* check to see if duration is constant for all clusters */
897 first_duration = get_cluster_duration(track, 0);
898 for (i = 1; i < track->entry; i++) {
899 if (get_cluster_duration(track, i) != first_duration)
902 return first_duration;
905 static int mov_write_audio_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
907 int64_t pos = avio_tell(pb);
909 uint32_t tag = track->tag;
911 if (track->mode == MODE_MOV) {
912 if (track->timescale > UINT16_MAX) {
913 if (mov_get_lpcm_flags(track->par->codec_id))
914 tag = AV_RL32("lpcm");
916 } else if (track->audio_vbr || mov_pcm_le_gt16(track->par->codec_id) ||
917 mov_pcm_be_gt16(track->par->codec_id) ||
918 track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
919 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
920 track->par->codec_id == AV_CODEC_ID_QDM2) {
925 avio_wb32(pb, 0); /* size */
926 if (mov->encryption_scheme != MOV_ENC_NONE) {
927 ffio_wfourcc(pb, "enca");
929 avio_wl32(pb, tag); // store it byteswapped
931 avio_wb32(pb, 0); /* Reserved */
932 avio_wb16(pb, 0); /* Reserved */
933 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
935 /* SoundDescription */
936 avio_wb16(pb, version); /* Version */
937 avio_wb16(pb, 0); /* Revision level */
938 avio_wb32(pb, 0); /* Reserved */
943 avio_wb16(pb, 0xfffe);
945 avio_wb32(pb, 0x00010000);
947 avio_wb64(pb, av_double2int(track->par->sample_rate));
948 avio_wb32(pb, track->par->channels);
949 avio_wb32(pb, 0x7F000000);
950 avio_wb32(pb, av_get_bits_per_sample(track->par->codec_id));
951 avio_wb32(pb, mov_get_lpcm_flags(track->par->codec_id));
952 avio_wb32(pb, track->sample_size);
953 avio_wb32(pb, get_samples_per_packet(track));
955 if (track->mode == MODE_MOV) {
956 avio_wb16(pb, track->par->channels);
957 if (track->par->codec_id == AV_CODEC_ID_PCM_U8 ||
958 track->par->codec_id == AV_CODEC_ID_PCM_S8)
959 avio_wb16(pb, 8); /* bits per sample */
960 else if (track->par->codec_id == AV_CODEC_ID_ADPCM_G726)
961 avio_wb16(pb, track->par->bits_per_coded_sample);
964 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
965 } else { /* reserved for mp4/3gp */
971 avio_wb16(pb, 0); /* packet size (= 0) */
972 avio_wb16(pb, track->par->sample_rate <= UINT16_MAX ?
973 track->par->sample_rate : 0);
974 avio_wb16(pb, 0); /* Reserved */
977 if (version == 1) { /* SoundDescription V1 extended info */
978 if (mov_pcm_le_gt16(track->par->codec_id) ||
979 mov_pcm_be_gt16(track->par->codec_id))
980 avio_wb32(pb, 1); /* must be 1 for uncompressed formats */
982 avio_wb32(pb, track->par->frame_size); /* Samples per packet */
983 avio_wb32(pb, track->sample_size / track->par->channels); /* Bytes per packet */
984 avio_wb32(pb, track->sample_size); /* Bytes per frame */
985 avio_wb32(pb, 2); /* Bytes per sample */
988 if (track->mode == MODE_MOV &&
989 (track->par->codec_id == AV_CODEC_ID_AAC ||
990 track->par->codec_id == AV_CODEC_ID_AC3 ||
991 track->par->codec_id == AV_CODEC_ID_EAC3 ||
992 track->par->codec_id == AV_CODEC_ID_AMR_NB ||
993 track->par->codec_id == AV_CODEC_ID_ALAC ||
994 track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
995 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
996 track->par->codec_id == AV_CODEC_ID_QDM2 ||
997 (mov_pcm_le_gt16(track->par->codec_id) && version==1) ||
998 (mov_pcm_be_gt16(track->par->codec_id) && version==1)))
999 mov_write_wave_tag(s, pb, track);
1000 else if (track->tag == MKTAG('m','p','4','a'))
1001 mov_write_esds_tag(pb, track);
1002 else if (track->par->codec_id == AV_CODEC_ID_AMR_NB)
1003 mov_write_amr_tag(pb, track);
1004 else if (track->par->codec_id == AV_CODEC_ID_AC3)
1005 mov_write_ac3_tag(pb, track);
1006 else if (track->par->codec_id == AV_CODEC_ID_EAC3)
1007 mov_write_eac3_tag(pb, track);
1008 else if (track->par->codec_id == AV_CODEC_ID_ALAC)
1009 mov_write_extradata_tag(pb, track);
1010 else if (track->par->codec_id == AV_CODEC_ID_WMAPRO)
1011 mov_write_wfex_tag(s, pb, track);
1012 else if (track->vos_len > 0)
1013 mov_write_glbl_tag(pb, track);
1015 if (track->mode == MODE_MOV && track->par->codec_type == AVMEDIA_TYPE_AUDIO)
1016 mov_write_chan_tag(s, pb, track);
1018 if (mov->encryption_scheme != MOV_ENC_NONE) {
1019 ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid);
1022 return update_size(pb, pos);
1025 static int mov_write_d263_tag(AVIOContext *pb)
1027 avio_wb32(pb, 0xf); /* size */
1028 ffio_wfourcc(pb, "d263");
1029 ffio_wfourcc(pb, "FFMP");
1030 avio_w8(pb, 0); /* decoder version */
1031 /* FIXME use AVCodecContext level/profile, when encoder will set values */
1032 avio_w8(pb, 0xa); /* level */
1033 avio_w8(pb, 0); /* profile */
1037 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
1039 int64_t pos = avio_tell(pb);
1042 ffio_wfourcc(pb, "avcC");
1043 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
1044 return update_size(pb, pos);
1047 static int mov_write_vpcc_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
1049 int64_t pos = avio_tell(pb);
1052 ffio_wfourcc(pb, "vpcC");
1053 avio_wb32(pb, 0); /* version & flags */
1054 ff_isom_write_vpcc(s, pb, track->par);
1055 return update_size(pb, pos);
1058 static int mov_write_hvcc_tag(AVIOContext *pb, MOVTrack *track)
1060 int64_t pos = avio_tell(pb);
1063 ffio_wfourcc(pb, "hvcC");
1064 ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 0);
1065 return update_size(pb, pos);
1068 /* also used by all avid codecs (dv, imx, meridien) and their variants */
1069 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
1074 int display_width = track->par->width;
1076 if (track->vos_data && track->vos_len > 0x29) {
1077 if (ff_dnxhd_parse_header_prefix(track->vos_data) != 0) {
1078 /* looks like a DNxHD bit stream */
1079 interlaced = (track->vos_data[5] & 2);
1080 cid = AV_RB32(track->vos_data + 0x28);
1082 av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream in vos_data\n");
1086 av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream, vos_data too small\n");
1090 avio_wb32(pb, 24); /* size */
1091 ffio_wfourcc(pb, "ACLR");
1092 ffio_wfourcc(pb, "ACLR");
1093 ffio_wfourcc(pb, "0001");
1094 if (track->par->color_range == AVCOL_RANGE_MPEG || /* Legal range (16-235) */
1095 track->par->color_range == AVCOL_RANGE_UNSPECIFIED) {
1096 avio_wb32(pb, 1); /* Corresponds to 709 in official encoder */
1097 } else { /* Full range (0-255) */
1098 avio_wb32(pb, 2); /* Corresponds to RGB in official encoder */
1100 avio_wb32(pb, 0); /* unknown */
1102 if (track->tag == MKTAG('A','V','d','h')) {
1104 ffio_wfourcc(pb, "ADHR");
1105 ffio_wfourcc(pb, "0001");
1107 avio_wb32(pb, 0); /* unknown */
1108 avio_wb32(pb, 1); /* unknown */
1109 avio_wb32(pb, 0); /* unknown */
1110 avio_wb32(pb, 0); /* unknown */
1114 avio_wb32(pb, 24); /* size */
1115 ffio_wfourcc(pb, "APRG");
1116 ffio_wfourcc(pb, "APRG");
1117 ffio_wfourcc(pb, "0001");
1118 avio_wb32(pb, 1); /* unknown */
1119 avio_wb32(pb, 0); /* unknown */
1121 avio_wb32(pb, 120); /* size */
1122 ffio_wfourcc(pb, "ARES");
1123 ffio_wfourcc(pb, "ARES");
1124 ffio_wfourcc(pb, "0001");
1125 avio_wb32(pb, cid); /* dnxhd cid, some id ? */
1126 if ( track->par->sample_aspect_ratio.num > 0
1127 && track->par->sample_aspect_ratio.den > 0)
1128 display_width = display_width * track->par->sample_aspect_ratio.num / track->par->sample_aspect_ratio.den;
1129 avio_wb32(pb, display_width);
1130 /* values below are based on samples created with quicktime and avid codecs */
1132 avio_wb32(pb, track->par->height / 2);
1133 avio_wb32(pb, 2); /* unknown */
1134 avio_wb32(pb, 0); /* unknown */
1135 avio_wb32(pb, 4); /* unknown */
1137 avio_wb32(pb, track->par->height);
1138 avio_wb32(pb, 1); /* unknown */
1139 avio_wb32(pb, 0); /* unknown */
1140 if (track->par->height == 1080)
1141 avio_wb32(pb, 5); /* unknown */
1143 avio_wb32(pb, 6); /* unknown */
1146 for (i = 0; i < 10; i++)
1152 static int mov_write_dpxe_tag(AVIOContext *pb, MOVTrack *track)
1155 ffio_wfourcc(pb, "DpxE");
1156 if (track->par->extradata_size >= 12 &&
1157 !memcmp(&track->par->extradata[4], "DpxE", 4)) {
1158 avio_wb32(pb, track->par->extradata[11]);
1165 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1167 int tag = track->par->codec_tag;
1169 if (!ff_codec_get_tag(ff_mp4_obj_type, track->par->codec_id))
1172 if (track->par->codec_id == AV_CODEC_ID_H264) tag = MKTAG('a','v','c','1');
1173 else if (track->par->codec_id == AV_CODEC_ID_HEVC) tag = MKTAG('h','e','v','1');
1174 else if (track->par->codec_id == AV_CODEC_ID_VP9) tag = MKTAG('v','p','0','9');
1175 else if (track->par->codec_id == AV_CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
1176 else if (track->par->codec_id == AV_CODEC_ID_EAC3) tag = MKTAG('e','c','-','3');
1177 else if (track->par->codec_id == AV_CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
1178 else if (track->par->codec_id == AV_CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
1179 else if (track->par->codec_id == AV_CODEC_ID_VC1) tag = MKTAG('v','c','-','1');
1180 else if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
1181 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
1182 else if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE) tag = MKTAG('m','p','4','s');
1187 static const AVCodecTag codec_ipod_tags[] = {
1188 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
1189 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
1190 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
1191 { AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') },
1192 { AV_CODEC_ID_AC3, MKTAG('a','c','-','3') },
1193 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
1194 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
1195 { AV_CODEC_ID_NONE, 0 },
1198 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1200 int tag = track->par->codec_tag;
1202 // keep original tag for subs, ipod supports both formats
1203 if (!(track->par->codec_type == AVMEDIA_TYPE_SUBTITLE &&
1204 (tag == MKTAG('t', 'x', '3', 'g') ||
1205 tag == MKTAG('t', 'e', 'x', 't'))))
1206 tag = ff_codec_get_tag(codec_ipod_tags, track->par->codec_id);
1208 if (!av_match_ext(s->filename, "m4a") &&
1209 !av_match_ext(s->filename, "m4b") &&
1210 !av_match_ext(s->filename, "m4v"))
1211 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a, .m4v nor .m4b "
1212 "Quicktime/Ipod might not play the file\n");
1217 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
1221 if (track->par->width == 720) { /* SD */
1222 if (track->par->height == 480) { /* NTSC */
1223 if (track->par->format == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
1224 else tag = MKTAG('d','v','c',' ');
1225 }else if (track->par->format == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
1226 else if (track->par->format == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
1227 else tag = MKTAG('d','v','p','p');
1228 } else if (track->par->height == 720) { /* HD 720 line */
1229 if (track->st->time_base.den == 50) tag = MKTAG('d','v','h','q');
1230 else tag = MKTAG('d','v','h','p');
1231 } else if (track->par->height == 1080) { /* HD 1080 line */
1232 if (track->st->time_base.den == 25) tag = MKTAG('d','v','h','5');
1233 else tag = MKTAG('d','v','h','6');
1235 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
1242 static AVRational find_fps(AVFormatContext *s, AVStream *st)
1244 AVRational rate = st->avg_frame_rate;
1246 #if FF_API_LAVF_AVCTX
1247 FF_DISABLE_DEPRECATION_WARNINGS
1248 rate = av_inv_q(st->codec->time_base);
1249 if (av_timecode_check_frame_rate(rate) < 0) {
1250 av_log(s, AV_LOG_DEBUG, "timecode: tbc=%d/%d invalid, fallback on %d/%d\n",
1251 rate.num, rate.den, st->avg_frame_rate.num, st->avg_frame_rate.den);
1252 rate = st->avg_frame_rate;
1254 FF_ENABLE_DEPRECATION_WARNINGS
1260 static int mov_get_mpeg2_xdcam_codec_tag(AVFormatContext *s, MOVTrack *track)
1262 int tag = track->par->codec_tag;
1263 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1264 AVStream *st = track->st;
1265 int rate = av_q2d(find_fps(s, st));
1268 tag = MKTAG('m', '2', 'v', '1'); //fallback tag
1270 if (track->par->format == AV_PIX_FMT_YUV420P) {
1271 if (track->par->width == 1280 && track->par->height == 720) {
1273 if (rate == 24) tag = MKTAG('x','d','v','4');
1274 else if (rate == 25) tag = MKTAG('x','d','v','5');
1275 else if (rate == 30) tag = MKTAG('x','d','v','1');
1276 else if (rate == 50) tag = MKTAG('x','d','v','a');
1277 else if (rate == 60) tag = MKTAG('x','d','v','9');
1279 } else if (track->par->width == 1440 && track->par->height == 1080) {
1281 if (rate == 24) tag = MKTAG('x','d','v','6');
1282 else if (rate == 25) tag = MKTAG('x','d','v','7');
1283 else if (rate == 30) tag = MKTAG('x','d','v','8');
1285 if (rate == 25) tag = MKTAG('x','d','v','3');
1286 else if (rate == 30) tag = MKTAG('x','d','v','2');
1288 } else if (track->par->width == 1920 && track->par->height == 1080) {
1290 if (rate == 24) tag = MKTAG('x','d','v','d');
1291 else if (rate == 25) tag = MKTAG('x','d','v','e');
1292 else if (rate == 30) tag = MKTAG('x','d','v','f');
1294 if (rate == 25) tag = MKTAG('x','d','v','c');
1295 else if (rate == 30) tag = MKTAG('x','d','v','b');
1298 } else if (track->par->format == AV_PIX_FMT_YUV422P) {
1299 if (track->par->width == 1280 && track->par->height == 720) {
1301 if (rate == 24) tag = MKTAG('x','d','5','4');
1302 else if (rate == 25) tag = MKTAG('x','d','5','5');
1303 else if (rate == 30) tag = MKTAG('x','d','5','1');
1304 else if (rate == 50) tag = MKTAG('x','d','5','a');
1305 else if (rate == 60) tag = MKTAG('x','d','5','9');
1307 } else if (track->par->width == 1920 && track->par->height == 1080) {
1309 if (rate == 24) tag = MKTAG('x','d','5','d');
1310 else if (rate == 25) tag = MKTAG('x','d','5','e');
1311 else if (rate == 30) tag = MKTAG('x','d','5','f');
1313 if (rate == 25) tag = MKTAG('x','d','5','c');
1314 else if (rate == 30) tag = MKTAG('x','d','5','b');
1322 static int mov_get_h264_codec_tag(AVFormatContext *s, MOVTrack *track)
1324 int tag = track->par->codec_tag;
1325 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1326 AVStream *st = track->st;
1327 int rate = av_q2d(find_fps(s, st));
1330 tag = MKTAG('a', 'v', 'c', 'i'); //fallback tag
1332 if (track->par->format == AV_PIX_FMT_YUV420P10) {
1333 if (track->par->width == 960 && track->par->height == 720) {
1335 if (rate == 24) tag = MKTAG('a','i','5','p');
1336 else if (rate == 25) tag = MKTAG('a','i','5','q');
1337 else if (rate == 30) tag = MKTAG('a','i','5','p');
1338 else if (rate == 50) tag = MKTAG('a','i','5','q');
1339 else if (rate == 60) tag = MKTAG('a','i','5','p');
1341 } else if (track->par->width == 1440 && track->par->height == 1080) {
1343 if (rate == 24) tag = MKTAG('a','i','5','3');
1344 else if (rate == 25) tag = MKTAG('a','i','5','2');
1345 else if (rate == 30) tag = MKTAG('a','i','5','3');
1347 if (rate == 50) tag = MKTAG('a','i','5','5');
1348 else if (rate == 60) tag = MKTAG('a','i','5','6');
1351 } else if (track->par->format == AV_PIX_FMT_YUV422P10) {
1352 if (track->par->width == 1280 && track->par->height == 720) {
1354 if (rate == 24) tag = MKTAG('a','i','1','p');
1355 else if (rate == 25) tag = MKTAG('a','i','1','q');
1356 else if (rate == 30) tag = MKTAG('a','i','1','p');
1357 else if (rate == 50) tag = MKTAG('a','i','1','q');
1358 else if (rate == 60) tag = MKTAG('a','i','1','p');
1360 } else if (track->par->width == 1920 && track->par->height == 1080) {
1362 if (rate == 24) tag = MKTAG('a','i','1','3');
1363 else if (rate == 25) tag = MKTAG('a','i','1','2');
1364 else if (rate == 30) tag = MKTAG('a','i','1','3');
1366 if (rate == 25) tag = MKTAG('a','i','1','5');
1367 else if (rate == 50) tag = MKTAG('a','i','1','5');
1368 else if (rate == 60) tag = MKTAG('a','i','1','6');
1370 } else if ( track->par->width == 4096 && track->par->height == 2160
1371 || track->par->width == 3840 && track->par->height == 2160
1372 || track->par->width == 2048 && track->par->height == 1080) {
1373 tag = MKTAG('a','i','v','x');
1380 static const struct {
1381 enum AVPixelFormat pix_fmt;
1384 } mov_pix_fmt_tags[] = {
1385 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','2'), 0 },
1386 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
1387 { AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
1388 { AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
1389 { AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
1390 { AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
1391 { AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
1392 { AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
1393 { AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
1394 { AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
1395 { AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
1396 { AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
1397 { AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
1398 { AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
1399 { AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
1402 static int mov_get_dnxhd_codec_tag(AVFormatContext *s, MOVTrack *track)
1404 int tag = MKTAG('A','V','d','n');
1405 if (track->par->profile != FF_PROFILE_UNKNOWN &&
1406 track->par->profile != FF_PROFILE_DNXHD)
1407 tag = MKTAG('A','V','d','h');
1411 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
1413 int tag = track->par->codec_tag;
1415 enum AVPixelFormat pix_fmt;
1417 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
1418 if (track->par->format == mov_pix_fmt_tags[i].pix_fmt) {
1419 tag = mov_pix_fmt_tags[i].tag;
1420 track->par->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
1421 if (track->par->codec_tag == mov_pix_fmt_tags[i].tag)
1426 pix_fmt = avpriv_find_pix_fmt(avpriv_pix_fmt_bps_mov,
1427 track->par->bits_per_coded_sample);
1428 if (tag == MKTAG('r','a','w',' ') &&
1429 track->par->format != pix_fmt &&
1430 track->par->format != AV_PIX_FMT_GRAY8 &&
1431 track->par->format != AV_PIX_FMT_NONE)
1432 av_log(s, AV_LOG_ERROR, "%s rawvideo cannot be written to mov, output file will be unreadable\n",
1433 av_get_pix_fmt_name(track->par->format));
1437 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1439 int tag = track->par->codec_tag;
1441 if (!tag || (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
1442 (track->par->codec_id == AV_CODEC_ID_DVVIDEO ||
1443 track->par->codec_id == AV_CODEC_ID_RAWVIDEO ||
1444 track->par->codec_id == AV_CODEC_ID_H263 ||
1445 track->par->codec_id == AV_CODEC_ID_H264 ||
1446 track->par->codec_id == AV_CODEC_ID_DNXHD ||
1447 track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO ||
1448 av_get_bits_per_sample(track->par->codec_id)))) { // pcm audio
1449 if (track->par->codec_id == AV_CODEC_ID_DVVIDEO)
1450 tag = mov_get_dv_codec_tag(s, track);
1451 else if (track->par->codec_id == AV_CODEC_ID_RAWVIDEO)
1452 tag = mov_get_rawvideo_codec_tag(s, track);
1453 else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO)
1454 tag = mov_get_mpeg2_xdcam_codec_tag(s, track);
1455 else if (track->par->codec_id == AV_CODEC_ID_H264)
1456 tag = mov_get_h264_codec_tag(s, track);
1457 else if (track->par->codec_id == AV_CODEC_ID_DNXHD)
1458 tag = mov_get_dnxhd_codec_tag(s, track);
1459 else if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
1460 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->par->codec_id);
1461 if (!tag) { // if no mac fcc found, try with Microsoft tags
1462 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->par->codec_id);
1464 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
1465 "the file may be unplayable!\n");
1467 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
1468 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->par->codec_id);
1469 if (!tag) { // if no mac fcc found, try with Microsoft tags
1470 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->par->codec_id);
1472 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
1473 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
1474 "the file may be unplayable!\n");
1477 } else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)
1478 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->par->codec_id);
1484 static const AVCodecTag codec_3gp_tags[] = {
1485 { AV_CODEC_ID_H263, MKTAG('s','2','6','3') },
1486 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
1487 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
1488 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
1489 { AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
1490 { AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
1491 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
1492 { AV_CODEC_ID_NONE, 0 },
1495 static const AVCodecTag codec_f4v_tags[] = { // XXX: add GIF/PNG/JPEG?
1496 { AV_CODEC_ID_MP3, MKTAG('.','m','p','3') },
1497 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
1498 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
1499 { AV_CODEC_ID_VP6A, MKTAG('V','P','6','A') },
1500 { AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') },
1501 { AV_CODEC_ID_NONE, 0 },
1504 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
1508 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
1509 tag = mp4_get_codec_tag(s, track);
1510 else if (track->mode == MODE_ISM) {
1511 tag = mp4_get_codec_tag(s, track);
1512 if (!tag && track->par->codec_id == AV_CODEC_ID_WMAPRO)
1513 tag = MKTAG('w', 'm', 'a', ' ');
1514 } else if (track->mode == MODE_IPOD)
1515 tag = ipod_get_codec_tag(s, track);
1516 else if (track->mode & MODE_3GP)
1517 tag = ff_codec_get_tag(codec_3gp_tags, track->par->codec_id);
1518 else if (track->mode == MODE_F4V)
1519 tag = ff_codec_get_tag(codec_f4v_tags, track->par->codec_id);
1521 tag = mov_get_codec_tag(s, track);
1526 /** Write uuid atom.
1527 * Needed to make file play in iPods running newest firmware
1528 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
1530 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
1533 ffio_wfourcc(pb, "uuid");
1534 avio_wb32(pb, 0x6b6840f2);
1535 avio_wb32(pb, 0x5f244fc5);
1536 avio_wb32(pb, 0xba39a51b);
1537 avio_wb32(pb, 0xcf0323f3);
1542 static const uint16_t fiel_data[] = {
1543 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
1546 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track, int field_order)
1548 unsigned mov_field_order = 0;
1549 if (field_order < FF_ARRAY_ELEMS(fiel_data))
1550 mov_field_order = fiel_data[field_order];
1554 ffio_wfourcc(pb, "fiel");
1555 avio_wb16(pb, mov_field_order);
1559 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
1561 int64_t pos = avio_tell(pb);
1562 avio_wb32(pb, 0); /* size */
1563 avio_wl32(pb, track->tag); // store it byteswapped
1564 avio_wb32(pb, 0); /* Reserved */
1565 avio_wb16(pb, 0); /* Reserved */
1566 avio_wb16(pb, 1); /* Data-reference index */
1568 if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
1569 mov_write_esds_tag(pb, track);
1570 else if (track->par->extradata_size)
1571 avio_write(pb, track->par->extradata, track->par->extradata_size);
1573 return update_size(pb, pos);
1576 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
1579 av_reduce(&sar.num, &sar.den, track->par->sample_aspect_ratio.num,
1580 track->par->sample_aspect_ratio.den, INT_MAX);
1583 ffio_wfourcc(pb, "pasp");
1584 avio_wb32(pb, sar.num);
1585 avio_wb32(pb, sar.den);
1589 static int mov_write_gama_tag(AVIOContext *pb, MOVTrack *track, double gamma)
1594 gamma = avpriv_get_gamma_from_trc(track->par->color_trc);
1596 av_log(pb, AV_LOG_DEBUG, "gamma value %g\n", gamma);
1599 gama = (uint32_t)lrint((double)(1<<16) * gamma);
1600 av_log(pb, AV_LOG_DEBUG, "writing gama value %d\n", gama);
1602 av_assert0(track->mode == MODE_MOV);
1604 ffio_wfourcc(pb, "gama");
1605 avio_wb32(pb, gama);
1609 av_log(pb, AV_LOG_WARNING, "gamma value unknown, unable to write gama atom\n");
1614 static int mov_write_colr_tag(AVIOContext *pb, MOVTrack *track)
1616 // Ref (MOV): https://developer.apple.com/library/mac/technotes/tn2162/_index.html#//apple_ref/doc/uid/DTS40013070-CH1-TNTAG9
1617 // Ref (MP4): ISO/IEC 14496-12:2012
1619 if (track->par->color_primaries == AVCOL_PRI_UNSPECIFIED &&
1620 track->par->color_trc == AVCOL_TRC_UNSPECIFIED &&
1621 track->par->color_space == AVCOL_SPC_UNSPECIFIED) {
1622 if ((track->par->width >= 1920 && track->par->height >= 1080)
1623 || (track->par->width == 1280 && track->par->height == 720)) {
1624 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming bt709\n");
1625 track->par->color_primaries = AVCOL_PRI_BT709;
1626 } else if (track->par->width == 720 && track->height == 576) {
1627 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming bt470bg\n");
1628 track->par->color_primaries = AVCOL_PRI_BT470BG;
1629 } else if (track->par->width == 720 &&
1630 (track->height == 486 || track->height == 480)) {
1631 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming smpte170\n");
1632 track->par->color_primaries = AVCOL_PRI_SMPTE170M;
1634 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, unable to assume anything\n");
1636 switch (track->par->color_primaries) {
1637 case AVCOL_PRI_BT709:
1638 track->par->color_trc = AVCOL_TRC_BT709;
1639 track->par->color_space = AVCOL_SPC_BT709;
1641 case AVCOL_PRI_SMPTE170M:
1642 case AVCOL_PRI_BT470BG:
1643 track->par->color_trc = AVCOL_TRC_BT709;
1644 track->par->color_space = AVCOL_SPC_SMPTE170M;
1649 /* We should only ever be called by MOV or MP4. */
1650 av_assert0(track->mode == MODE_MOV || track->mode == MODE_MP4);
1652 avio_wb32(pb, 18 + (track->mode == MODE_MP4));
1653 ffio_wfourcc(pb, "colr");
1654 if (track->mode == MODE_MP4)
1655 ffio_wfourcc(pb, "nclx");
1657 ffio_wfourcc(pb, "nclc");
1658 switch (track->par->color_primaries) {
1659 case AVCOL_PRI_BT709: avio_wb16(pb, 1); break;
1660 case AVCOL_PRI_SMPTE170M:
1661 case AVCOL_PRI_SMPTE240M: avio_wb16(pb, 6); break;
1662 case AVCOL_PRI_BT470BG: avio_wb16(pb, 5); break;
1663 default: avio_wb16(pb, 2);
1665 switch (track->par->color_trc) {
1666 case AVCOL_TRC_BT709: avio_wb16(pb, 1); break;
1667 case AVCOL_TRC_SMPTE170M: avio_wb16(pb, 1); break; // remapped
1668 case AVCOL_TRC_SMPTE240M: avio_wb16(pb, 7); break;
1669 default: avio_wb16(pb, 2);
1671 switch (track->par->color_space) {
1672 case AVCOL_SPC_BT709: avio_wb16(pb, 1); break;
1673 case AVCOL_SPC_BT470BG:
1674 case AVCOL_SPC_SMPTE170M: avio_wb16(pb, 6); break;
1675 case AVCOL_SPC_SMPTE240M: avio_wb16(pb, 7); break;
1676 default: avio_wb16(pb, 2);
1679 if (track->mode == MODE_MP4) {
1680 int full_range = track->par->color_range == AVCOL_RANGE_JPEG;
1681 avio_w8(pb, full_range << 7);
1688 static void find_compressor(char * compressor_name, int len, MOVTrack *track)
1690 AVDictionaryEntry *encoder;
1691 int xdcam_res = (track->par->width == 1280 && track->par->height == 720)
1692 || (track->par->width == 1440 && track->par->height == 1080)
1693 || (track->par->width == 1920 && track->par->height == 1080);
1695 if (track->mode == MODE_MOV &&
1696 (encoder = av_dict_get(track->st->metadata, "encoder", NULL, 0))) {
1697 av_strlcpy(compressor_name, encoder->value, 32);
1698 } else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO && xdcam_res) {
1699 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1700 AVStream *st = track->st;
1701 int rate = av_q2d(find_fps(NULL, st));
1702 av_strlcatf(compressor_name, len, "XDCAM");
1703 if (track->par->format == AV_PIX_FMT_YUV422P) {
1704 av_strlcatf(compressor_name, len, " HD422");
1705 } else if(track->par->width == 1440) {
1706 av_strlcatf(compressor_name, len, " HD");
1708 av_strlcatf(compressor_name, len, " EX");
1710 av_strlcatf(compressor_name, len, " %d%c", track->par->height, interlaced ? 'i' : 'p');
1712 av_strlcatf(compressor_name, len, "%d", rate * (interlaced + 1));
1716 static int mov_write_video_tag(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
1718 int64_t pos = avio_tell(pb);
1719 char compressor_name[32] = { 0 };
1722 avio_wb32(pb, 0); /* size */
1723 if (mov->encryption_scheme != MOV_ENC_NONE) {
1724 ffio_wfourcc(pb, "encv");
1726 avio_wl32(pb, track->tag); // store it byteswapped
1728 avio_wb32(pb, 0); /* Reserved */
1729 avio_wb16(pb, 0); /* Reserved */
1730 avio_wb16(pb, 1); /* Data-reference index */
1732 avio_wb16(pb, 0); /* Codec stream version */
1733 avio_wb16(pb, 0); /* Codec stream revision (=0) */
1734 if (track->mode == MODE_MOV) {
1735 ffio_wfourcc(pb, "FFMP"); /* Vendor */
1736 if (track->par->codec_id == AV_CODEC_ID_RAWVIDEO) {
1737 avio_wb32(pb, 0); /* Temporal Quality */
1738 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
1740 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
1741 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
1744 avio_wb32(pb, 0); /* Reserved */
1745 avio_wb32(pb, 0); /* Reserved */
1746 avio_wb32(pb, 0); /* Reserved */
1748 avio_wb16(pb, track->par->width); /* Video width */
1749 avio_wb16(pb, track->height); /* Video height */
1750 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
1751 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
1752 avio_wb32(pb, 0); /* Data size (= 0) */
1753 avio_wb16(pb, 1); /* Frame count (= 1) */
1755 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
1756 find_compressor(compressor_name, 32, track);
1757 avio_w8(pb, strlen(compressor_name));
1758 avio_write(pb, compressor_name, 31);
1760 if (track->mode == MODE_MOV && track->par->bits_per_coded_sample)
1761 avio_wb16(pb, track->par->bits_per_coded_sample |
1762 (track->par->format == AV_PIX_FMT_GRAY8 ? 0x20 : 0));
1764 avio_wb16(pb, 0x18); /* Reserved */
1766 if (track->mode == MODE_MOV && track->par->format == AV_PIX_FMT_PAL8) {
1767 int pal_size = 1 << track->par->bits_per_coded_sample;
1769 avio_wb16(pb, 0); /* Color table ID */
1770 avio_wb32(pb, 0); /* Color table seed */
1771 avio_wb16(pb, 0x8000); /* Color table flags */
1772 avio_wb16(pb, pal_size - 1); /* Color table size (zero-relative) */
1773 for (i = 0; i < pal_size; i++) {
1774 uint32_t rgb = track->palette[i];
1775 uint16_t r = (rgb >> 16) & 0xff;
1776 uint16_t g = (rgb >> 8) & 0xff;
1777 uint16_t b = rgb & 0xff;
1779 avio_wb16(pb, (r << 8) | r);
1780 avio_wb16(pb, (g << 8) | g);
1781 avio_wb16(pb, (b << 8) | b);
1784 avio_wb16(pb, 0xffff); /* Reserved */
1786 if (track->tag == MKTAG('m','p','4','v'))
1787 mov_write_esds_tag(pb, track);
1788 else if (track->par->codec_id == AV_CODEC_ID_H263)
1789 mov_write_d263_tag(pb);
1790 else if (track->par->codec_id == AV_CODEC_ID_AVUI ||
1791 track->par->codec_id == AV_CODEC_ID_SVQ3) {
1792 mov_write_extradata_tag(pb, track);
1794 } else if (track->par->codec_id == AV_CODEC_ID_DNXHD) {
1795 mov_write_avid_tag(pb, track);
1797 } else if (track->par->codec_id == AV_CODEC_ID_HEVC)
1798 mov_write_hvcc_tag(pb, track);
1799 else if (track->par->codec_id == AV_CODEC_ID_H264 && !TAG_IS_AVCI(track->tag)) {
1800 mov_write_avcc_tag(pb, track);
1801 if (track->mode == MODE_IPOD)
1802 mov_write_uuid_tag_ipod(pb);
1803 } else if (track->par->codec_id == AV_CODEC_ID_VP9) {
1804 mov_write_vpcc_tag(mov->fc, pb, track);
1805 } else if (track->par->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
1806 mov_write_dvc1_tag(pb, track);
1807 else if (track->par->codec_id == AV_CODEC_ID_VP6F ||
1808 track->par->codec_id == AV_CODEC_ID_VP6A) {
1809 /* Don't write any potential extradata here - the cropping
1810 * is signalled via the normal width/height fields. */
1811 } else if (track->par->codec_id == AV_CODEC_ID_R10K) {
1812 if (track->par->codec_tag == MKTAG('R','1','0','k'))
1813 mov_write_dpxe_tag(pb, track);
1814 } else if (track->vos_len > 0)
1815 mov_write_glbl_tag(pb, track);
1817 if (track->par->codec_id != AV_CODEC_ID_H264 &&
1818 track->par->codec_id != AV_CODEC_ID_MPEG4 &&
1819 track->par->codec_id != AV_CODEC_ID_DNXHD) {
1820 int field_order = track->par->field_order;
1822 #if FF_API_LAVF_AVCTX
1823 FF_DISABLE_DEPRECATION_WARNINGS
1824 if (field_order != track->st->codec->field_order && track->st->codec->field_order != AV_FIELD_UNKNOWN)
1825 field_order = track->st->codec->field_order;
1826 FF_ENABLE_DEPRECATION_WARNINGS
1829 if (field_order != AV_FIELD_UNKNOWN)
1830 mov_write_fiel_tag(pb, track, field_order);
1833 if (mov->flags & FF_MOV_FLAG_WRITE_GAMA) {
1834 if (track->mode == MODE_MOV)
1835 mov_write_gama_tag(pb, track, mov->gamma);
1837 av_log(mov->fc, AV_LOG_WARNING, "Not writing 'gama' atom. Format is not MOV.\n");
1839 if (mov->flags & FF_MOV_FLAG_WRITE_COLR) {
1840 if (track->mode == MODE_MOV || track->mode == MODE_MP4)
1841 mov_write_colr_tag(pb, track);
1843 av_log(mov->fc, AV_LOG_WARNING, "Not writing 'colr' atom. Format is not MOV or MP4.\n");
1846 if (track->par->sample_aspect_ratio.den && track->par->sample_aspect_ratio.num) {
1847 mov_write_pasp_tag(pb, track);
1850 if (mov->encryption_scheme != MOV_ENC_NONE) {
1851 ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid);
1854 /* extra padding for avid stsd */
1855 /* https://developer.apple.com/library/mac/documentation/QuickTime/QTFF/QTFFChap2/qtff2.html#//apple_ref/doc/uid/TP40000939-CH204-61112 */
1859 return update_size(pb, pos);
1862 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
1864 int64_t pos = avio_tell(pb);
1865 avio_wb32(pb, 0); /* size */
1866 ffio_wfourcc(pb, "rtp ");
1867 avio_wb32(pb, 0); /* Reserved */
1868 avio_wb16(pb, 0); /* Reserved */
1869 avio_wb16(pb, 1); /* Data-reference index */
1871 avio_wb16(pb, 1); /* Hint track version */
1872 avio_wb16(pb, 1); /* Highest compatible version */
1873 avio_wb32(pb, track->max_packet_size); /* Max packet size */
1875 avio_wb32(pb, 12); /* size */
1876 ffio_wfourcc(pb, "tims");
1877 avio_wb32(pb, track->timescale);
1879 return update_size(pb, pos);
1882 static int mov_write_source_reference_tag(AVIOContext *pb, MOVTrack *track, const char *reel_name)
1884 uint64_t str_size =strlen(reel_name);
1885 int64_t pos = avio_tell(pb);
1887 if (str_size >= UINT16_MAX){
1888 av_log(NULL, AV_LOG_ERROR, "reel_name length %"PRIu64" is too large\n", str_size);
1890 return AVERROR(EINVAL);
1893 avio_wb32(pb, 0); /* size */
1894 ffio_wfourcc(pb, "name"); /* Data format */
1895 avio_wb16(pb, str_size); /* string size */
1896 avio_wb16(pb, track->language); /* langcode */
1897 avio_write(pb, reel_name, str_size); /* reel name */
1898 return update_size(pb,pos);
1901 static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
1903 int64_t pos = avio_tell(pb);
1907 AVDictionaryEntry *t = NULL;
1909 if (!track->st->avg_frame_rate.num || !track->st->avg_frame_rate.den) {
1910 #if FF_API_LAVF_AVCTX
1911 FF_DISABLE_DEPRECATION_WARNINGS
1912 frame_duration = av_rescale(track->timescale, track->st->codec->time_base.num, track->st->codec->time_base.den);
1913 nb_frames = ROUNDED_DIV(track->st->codec->time_base.den, track->st->codec->time_base.num);
1914 FF_ENABLE_DEPRECATION_WARNINGS
1916 av_log(NULL, AV_LOG_ERROR, "avg_frame_rate not set for tmcd track.\n");
1917 return AVERROR(EINVAL);
1920 frame_duration = av_rescale(track->timescale, track->st->avg_frame_rate.num, track->st->avg_frame_rate.den);
1921 nb_frames = ROUNDED_DIV(track->st->avg_frame_rate.den, track->st->avg_frame_rate.num);
1924 if (nb_frames > 255) {
1925 av_log(NULL, AV_LOG_ERROR, "fps %d is too large\n", nb_frames);
1926 return AVERROR(EINVAL);
1929 avio_wb32(pb, 0); /* size */
1930 ffio_wfourcc(pb, "tmcd"); /* Data format */
1931 avio_wb32(pb, 0); /* Reserved */
1932 avio_wb32(pb, 1); /* Data reference index */
1933 avio_wb32(pb, 0); /* Flags */
1934 avio_wb32(pb, track->timecode_flags); /* Flags (timecode) */
1935 avio_wb32(pb, track->timescale); /* Timescale */
1936 avio_wb32(pb, frame_duration); /* Frame duration */
1937 avio_w8(pb, nb_frames); /* Number of frames */
1938 avio_w8(pb, 0); /* Reserved */
1940 t = av_dict_get(track->st->metadata, "reel_name", NULL, 0);
1941 if (t && utf8len(t->value) && track->mode != MODE_MP4)
1942 mov_write_source_reference_tag(pb, track, t->value);
1944 avio_wb16(pb, 0); /* zero size */
1947 avio_wb32(pb, 0); /* size */
1948 ffio_wfourcc(pb, "tmcd"); /* Data format */
1949 avio_wb32(pb, 0); /* Reserved */
1950 avio_wb32(pb, 1); /* Data reference index */
1951 if (track->par->extradata_size)
1952 avio_write(pb, track->par->extradata, track->par->extradata_size);
1954 return update_size(pb, pos);
1957 static int mov_write_stsd_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
1959 int64_t pos = avio_tell(pb);
1960 avio_wb32(pb, 0); /* size */
1961 ffio_wfourcc(pb, "stsd");
1962 avio_wb32(pb, 0); /* version & flags */
1963 avio_wb32(pb, 1); /* entry count */
1964 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO)
1965 mov_write_video_tag(pb, mov, track);
1966 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
1967 mov_write_audio_tag(s, pb, mov, track);
1968 else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)
1969 mov_write_subtitle_tag(pb, track);
1970 else if (track->par->codec_tag == MKTAG('r','t','p',' '))
1971 mov_write_rtp_tag(pb, track);
1972 else if (track->par->codec_tag == MKTAG('t','m','c','d'))
1973 mov_write_tmcd_tag(pb, track);
1974 return update_size(pb, pos);
1977 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
1979 MOVStts *ctts_entries;
1980 uint32_t entries = 0;
1984 ctts_entries = av_malloc_array((track->entry + 1), sizeof(*ctts_entries)); /* worst case */
1986 return AVERROR(ENOMEM);
1987 ctts_entries[0].count = 1;
1988 ctts_entries[0].duration = track->cluster[0].cts;
1989 for (i = 1; i < track->entry; i++) {
1990 if (track->cluster[i].cts == ctts_entries[entries].duration) {
1991 ctts_entries[entries].count++; /* compress */
1994 ctts_entries[entries].duration = track->cluster[i].cts;
1995 ctts_entries[entries].count = 1;
1998 entries++; /* last one */
1999 atom_size = 16 + (entries * 8);
2000 avio_wb32(pb, atom_size); /* size */
2001 ffio_wfourcc(pb, "ctts");
2002 avio_wb32(pb, 0); /* version & flags */
2003 avio_wb32(pb, entries); /* entry count */
2004 for (i = 0; i < entries; i++) {
2005 avio_wb32(pb, ctts_entries[i].count);
2006 avio_wb32(pb, ctts_entries[i].duration);
2008 av_free(ctts_entries);
2012 /* Time to sample atom */
2013 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
2015 MOVStts *stts_entries = NULL;
2016 uint32_t entries = -1;
2020 if (track->par->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
2021 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
2023 return AVERROR(ENOMEM);
2024 stts_entries[0].count = track->sample_count;
2025 stts_entries[0].duration = 1;
2029 stts_entries = av_malloc_array(track->entry, sizeof(*stts_entries)); /* worst case */
2031 return AVERROR(ENOMEM);
2033 for (i = 0; i < track->entry; i++) {
2034 int duration = get_cluster_duration(track, i);
2035 if (i && duration == stts_entries[entries].duration) {
2036 stts_entries[entries].count++; /* compress */
2039 stts_entries[entries].duration = duration;
2040 stts_entries[entries].count = 1;
2043 entries++; /* last one */
2045 atom_size = 16 + (entries * 8);
2046 avio_wb32(pb, atom_size); /* size */
2047 ffio_wfourcc(pb, "stts");
2048 avio_wb32(pb, 0); /* version & flags */
2049 avio_wb32(pb, entries); /* entry count */
2050 for (i = 0; i < entries; i++) {
2051 avio_wb32(pb, stts_entries[i].count);
2052 avio_wb32(pb, stts_entries[i].duration);
2054 av_free(stts_entries);
2058 static int mov_write_dref_tag(AVIOContext *pb)
2060 avio_wb32(pb, 28); /* size */
2061 ffio_wfourcc(pb, "dref");
2062 avio_wb32(pb, 0); /* version & flags */
2063 avio_wb32(pb, 1); /* entry count */
2065 avio_wb32(pb, 0xc); /* size */
2066 //FIXME add the alis and rsrc atom
2067 ffio_wfourcc(pb, "url ");
2068 avio_wb32(pb, 1); /* version & flags */
2073 static int mov_write_stbl_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2075 int64_t pos = avio_tell(pb);
2078 avio_wb32(pb, 0); /* size */
2079 ffio_wfourcc(pb, "stbl");
2080 mov_write_stsd_tag(s, pb, mov, track);
2081 mov_write_stts_tag(pb, track);
2082 if ((track->par->codec_type == AVMEDIA_TYPE_VIDEO ||
2083 track->par->codec_tag == MKTAG('r','t','p',' ')) &&
2084 track->has_keyframes && track->has_keyframes < track->entry)
2085 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
2086 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
2087 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
2088 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO &&
2089 track->flags & MOV_TRACK_CTTS && track->entry) {
2091 if ((ret = mov_write_ctts_tag(pb, track)) < 0)
2094 mov_write_stsc_tag(pb, track);
2095 mov_write_stsz_tag(pb, track);
2096 mov_write_stco_tag(pb, track);
2097 if (mov->encryption_scheme == MOV_ENC_CENC_AES_CTR) {
2098 ff_mov_cenc_write_stbl_atoms(&track->cenc, pb);
2100 return update_size(pb, pos);
2103 static int mov_write_dinf_tag(AVIOContext *pb)
2105 int64_t pos = avio_tell(pb);
2106 avio_wb32(pb, 0); /* size */
2107 ffio_wfourcc(pb, "dinf");
2108 mov_write_dref_tag(pb);
2109 return update_size(pb, pos);
2112 static int mov_write_nmhd_tag(AVIOContext *pb)
2115 ffio_wfourcc(pb, "nmhd");
2120 static int mov_write_tcmi_tag(AVIOContext *pb, MOVTrack *track)
2122 int64_t pos = avio_tell(pb);
2123 const char *font = "Lucida Grande";
2124 avio_wb32(pb, 0); /* size */
2125 ffio_wfourcc(pb, "tcmi"); /* timecode media information atom */
2126 avio_wb32(pb, 0); /* version & flags */
2127 avio_wb16(pb, 0); /* text font */
2128 avio_wb16(pb, 0); /* text face */
2129 avio_wb16(pb, 12); /* text size */
2130 avio_wb16(pb, 0); /* (unknown, not in the QT specs...) */
2131 avio_wb16(pb, 0x0000); /* text color (red) */
2132 avio_wb16(pb, 0x0000); /* text color (green) */
2133 avio_wb16(pb, 0x0000); /* text color (blue) */
2134 avio_wb16(pb, 0xffff); /* background color (red) */
2135 avio_wb16(pb, 0xffff); /* background color (green) */
2136 avio_wb16(pb, 0xffff); /* background color (blue) */
2137 avio_w8(pb, strlen(font)); /* font len (part of the pascal string) */
2138 avio_write(pb, font, strlen(font)); /* font name */
2139 return update_size(pb, pos);
2142 static int mov_write_gmhd_tag(AVIOContext *pb, MOVTrack *track)
2144 int64_t pos = avio_tell(pb);
2145 avio_wb32(pb, 0); /* size */
2146 ffio_wfourcc(pb, "gmhd");
2147 avio_wb32(pb, 0x18); /* gmin size */
2148 ffio_wfourcc(pb, "gmin");/* generic media info */
2149 avio_wb32(pb, 0); /* version & flags */
2150 avio_wb16(pb, 0x40); /* graphics mode = */
2151 avio_wb16(pb, 0x8000); /* opColor (r?) */
2152 avio_wb16(pb, 0x8000); /* opColor (g?) */
2153 avio_wb16(pb, 0x8000); /* opColor (b?) */
2154 avio_wb16(pb, 0); /* balance */
2155 avio_wb16(pb, 0); /* reserved */
2158 * This special text atom is required for
2159 * Apple Quicktime chapters. The contents
2160 * don't appear to be documented, so the
2161 * bytes are copied verbatim.
2163 if (track->tag != MKTAG('c','6','0','8')) {
2164 avio_wb32(pb, 0x2C); /* size */
2165 ffio_wfourcc(pb, "text");
2166 avio_wb16(pb, 0x01);
2167 avio_wb32(pb, 0x00);
2168 avio_wb32(pb, 0x00);
2169 avio_wb32(pb, 0x00);
2170 avio_wb32(pb, 0x01);
2171 avio_wb32(pb, 0x00);
2172 avio_wb32(pb, 0x00);
2173 avio_wb32(pb, 0x00);
2174 avio_wb32(pb, 0x00004000);
2175 avio_wb16(pb, 0x0000);
2178 if (track->par->codec_tag == MKTAG('t','m','c','d')) {
2179 int64_t tmcd_pos = avio_tell(pb);
2180 avio_wb32(pb, 0); /* size */
2181 ffio_wfourcc(pb, "tmcd");
2182 mov_write_tcmi_tag(pb, track);
2183 update_size(pb, tmcd_pos);
2185 return update_size(pb, pos);
2188 static int mov_write_smhd_tag(AVIOContext *pb)
2190 avio_wb32(pb, 16); /* size */
2191 ffio_wfourcc(pb, "smhd");
2192 avio_wb32(pb, 0); /* version & flags */
2193 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
2194 avio_wb16(pb, 0); /* reserved */
2198 static int mov_write_vmhd_tag(AVIOContext *pb)
2200 avio_wb32(pb, 0x14); /* size (always 0x14) */
2201 ffio_wfourcc(pb, "vmhd");
2202 avio_wb32(pb, 0x01); /* version & flags */
2203 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
2207 static int is_clcp_track(MOVTrack *track)
2209 return track->tag == MKTAG('c','7','0','8') ||
2210 track->tag == MKTAG('c','6','0','8');
2213 static int mov_write_hdlr_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
2215 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
2216 int64_t pos = avio_tell(pb);
2220 descr = "DataHandler";
2223 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
2224 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
2226 descr = "VideoHandler";
2227 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
2229 descr = "SoundHandler";
2230 } else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2231 if (is_clcp_track(track)) {
2233 descr = "ClosedCaptionHandler";
2235 if (track->tag == MKTAG('t','x','3','g')) {
2237 } else if (track->tag == MKTAG('m','p','4','s')) {
2242 descr = "SubtitleHandler";
2244 } else if (track->par->codec_tag == MKTAG('r','t','p',' ')) {
2246 descr = "HintHandler";
2247 } else if (track->par->codec_tag == MKTAG('t','m','c','d')) {
2249 descr = "TimeCodeHandler";
2252 av_get_codec_tag_string(tag_buf, sizeof(tag_buf),
2253 track->par->codec_tag);
2255 av_log(s, AV_LOG_WARNING,
2256 "Unknown hldr_type for %s / 0x%04X, writing dummy values\n",
2257 tag_buf, track->par->codec_tag);
2260 // hdlr.name is used by some players to identify the content title
2261 // of the track. So if an alternate handler description is
2262 // specified, use it.
2263 AVDictionaryEntry *t;
2264 t = av_dict_get(track->st->metadata, "handler", NULL, 0);
2265 if (t && utf8len(t->value))
2270 avio_wb32(pb, 0); /* size */
2271 ffio_wfourcc(pb, "hdlr");
2272 avio_wb32(pb, 0); /* Version & flags */
2273 avio_write(pb, hdlr, 4); /* handler */
2274 ffio_wfourcc(pb, hdlr_type); /* handler type */
2275 avio_wb32(pb, 0); /* reserved */
2276 avio_wb32(pb, 0); /* reserved */
2277 avio_wb32(pb, 0); /* reserved */
2278 if (!track || track->mode == MODE_MOV)
2279 avio_w8(pb, strlen(descr)); /* pascal string */
2280 avio_write(pb, descr, strlen(descr)); /* handler description */
2281 if (track && track->mode != MODE_MOV)
2282 avio_w8(pb, 0); /* c string */
2283 return update_size(pb, pos);
2286 static int mov_write_hmhd_tag(AVIOContext *pb)
2288 /* This atom must be present, but leaving the values at zero
2289 * seems harmless. */
2290 avio_wb32(pb, 28); /* size */
2291 ffio_wfourcc(pb, "hmhd");
2292 avio_wb32(pb, 0); /* version, flags */
2293 avio_wb16(pb, 0); /* maxPDUsize */
2294 avio_wb16(pb, 0); /* avgPDUsize */
2295 avio_wb32(pb, 0); /* maxbitrate */
2296 avio_wb32(pb, 0); /* avgbitrate */
2297 avio_wb32(pb, 0); /* reserved */
2301 static int mov_write_minf_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2303 int64_t pos = avio_tell(pb);
2306 avio_wb32(pb, 0); /* size */
2307 ffio_wfourcc(pb, "minf");
2308 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO)
2309 mov_write_vmhd_tag(pb);
2310 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2311 mov_write_smhd_tag(pb);
2312 else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2313 if (track->tag == MKTAG('t','e','x','t') || is_clcp_track(track)) {
2314 mov_write_gmhd_tag(pb, track);
2316 mov_write_nmhd_tag(pb);
2318 } else if (track->tag == MKTAG('r','t','p',' ')) {
2319 mov_write_hmhd_tag(pb);
2320 } else if (track->tag == MKTAG('t','m','c','d')) {
2321 if (track->mode != MODE_MOV)
2322 mov_write_nmhd_tag(pb);
2324 mov_write_gmhd_tag(pb, track);
2326 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
2327 mov_write_hdlr_tag(s, pb, NULL);
2328 mov_write_dinf_tag(pb);
2329 if ((ret = mov_write_stbl_tag(s, pb, mov, track)) < 0)
2331 return update_size(pb, pos);
2334 static int mov_write_mdhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2337 int version = track->track_duration < INT32_MAX ? 0 : 1;
2339 if (track->mode == MODE_ISM)
2342 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
2343 ffio_wfourcc(pb, "mdhd");
2344 avio_w8(pb, version);
2345 avio_wb24(pb, 0); /* flags */
2347 avio_wb64(pb, track->time);
2348 avio_wb64(pb, track->time);
2350 avio_wb32(pb, track->time); /* creation time */
2351 avio_wb32(pb, track->time); /* modification time */
2353 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
2354 if (!track->entry && mov->mode == MODE_ISM)
2355 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2356 else if (!track->entry)
2357 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2359 (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
2360 avio_wb16(pb, track->language); /* language */
2361 avio_wb16(pb, 0); /* reserved (quality) */
2363 if (version != 0 && track->mode == MODE_MOV) {
2364 av_log(NULL, AV_LOG_ERROR,
2365 "FATAL error, file duration too long for timebase, this file will not be\n"
2366 "playable with quicktime. Choose a different timebase or a different\n"
2367 "container format\n");
2373 static int mov_write_mdia_tag(AVFormatContext *s, AVIOContext *pb,
2374 MOVMuxContext *mov, MOVTrack *track)
2376 int64_t pos = avio_tell(pb);
2379 avio_wb32(pb, 0); /* size */
2380 ffio_wfourcc(pb, "mdia");
2381 mov_write_mdhd_tag(pb, mov, track);
2382 mov_write_hdlr_tag(s, pb, track);
2383 if ((ret = mov_write_minf_tag(s, pb, mov, track)) < 0)
2385 return update_size(pb, pos);
2388 /* transformation matrix
2392 static void write_matrix(AVIOContext *pb, int16_t a, int16_t b, int16_t c,
2393 int16_t d, int16_t tx, int16_t ty)
2395 avio_wb32(pb, a << 16); /* 16.16 format */
2396 avio_wb32(pb, b << 16); /* 16.16 format */
2397 avio_wb32(pb, 0); /* u in 2.30 format */
2398 avio_wb32(pb, c << 16); /* 16.16 format */
2399 avio_wb32(pb, d << 16); /* 16.16 format */
2400 avio_wb32(pb, 0); /* v in 2.30 format */
2401 avio_wb32(pb, tx << 16); /* 16.16 format */
2402 avio_wb32(pb, ty << 16); /* 16.16 format */
2403 avio_wb32(pb, 1 << 30); /* w in 2.30 format */
2406 static int mov_write_tkhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2407 MOVTrack *track, AVStream *st)
2409 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
2410 track->timescale, AV_ROUND_UP);
2411 int version = duration < INT32_MAX ? 0 : 1;
2412 int flags = MOV_TKHD_FLAG_IN_MOVIE;
2416 uint32_t *display_matrix = NULL;
2417 int display_matrix_size, i;
2420 if (mov->per_stream_grouping)
2423 group = st->codecpar->codec_type;
2425 display_matrix = (uint32_t*)av_stream_get_side_data(st, AV_PKT_DATA_DISPLAYMATRIX,
2426 &display_matrix_size);
2427 if (display_matrix && display_matrix_size < 9 * sizeof(*display_matrix))
2428 display_matrix = NULL;
2431 if (track->flags & MOV_TRACK_ENABLED)
2432 flags |= MOV_TKHD_FLAG_ENABLED;
2434 if (track->mode == MODE_ISM)
2437 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
2438 ffio_wfourcc(pb, "tkhd");
2439 avio_w8(pb, version);
2440 avio_wb24(pb, flags);
2442 avio_wb64(pb, track->time);
2443 avio_wb64(pb, track->time);
2445 avio_wb32(pb, track->time); /* creation time */
2446 avio_wb32(pb, track->time); /* modification time */
2448 avio_wb32(pb, track->track_id); /* track-id */
2449 avio_wb32(pb, 0); /* reserved */
2450 if (!track->entry && mov->mode == MODE_ISM)
2451 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2452 else if (!track->entry)
2453 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2455 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
2457 avio_wb32(pb, 0); /* reserved */
2458 avio_wb32(pb, 0); /* reserved */
2459 avio_wb16(pb, 0); /* layer */
2460 avio_wb16(pb, group); /* alternate group) */
2461 /* Volume, only for audio */
2462 if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2463 avio_wb16(pb, 0x0100);
2466 avio_wb16(pb, 0); /* reserved */
2468 /* Matrix structure */
2469 if (st && st->metadata) {
2470 AVDictionaryEntry *rot = av_dict_get(st->metadata, "rotate", NULL, 0);
2471 rotation = (rot && rot->value) ? atoi(rot->value) : 0;
2473 if (display_matrix) {
2474 for (i = 0; i < 9; i++)
2475 avio_wb32(pb, display_matrix[i]);
2476 } else if (rotation == 90) {
2477 write_matrix(pb, 0, 1, -1, 0, track->par->height, 0);
2478 } else if (rotation == 180) {
2479 write_matrix(pb, -1, 0, 0, -1, track->par->width, track->par->height);
2480 } else if (rotation == 270) {
2481 write_matrix(pb, 0, -1, 1, 0, 0, track->par->width);
2483 write_matrix(pb, 1, 0, 0, 1, 0, 0);
2485 /* Track width and height, for visual only */
2486 if (st && (track->par->codec_type == AVMEDIA_TYPE_VIDEO ||
2487 track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
2488 int64_t track_width_1616;
2489 if (track->mode == MODE_MOV) {
2490 track_width_1616 = track->par->width * 0x10000ULL;
2492 track_width_1616 = av_rescale(st->sample_aspect_ratio.num,
2493 track->par->width * 0x10000LL,
2494 st->sample_aspect_ratio.den);
2495 if (!track_width_1616 ||
2496 track->height != track->par->height ||
2497 track_width_1616 > UINT32_MAX)
2498 track_width_1616 = track->par->width * 0x10000ULL;
2500 if (track_width_1616 > UINT32_MAX) {
2501 av_log(mov->fc, AV_LOG_WARNING, "track width is too large\n");
2502 track_width_1616 = 0;
2504 avio_wb32(pb, track_width_1616);
2505 if (track->height > 0xFFFF) {
2506 av_log(mov->fc, AV_LOG_WARNING, "track height is too large\n");
2509 avio_wb32(pb, track->height * 0x10000U);
2517 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
2519 int32_t width = av_rescale(track->par->sample_aspect_ratio.num, track->par->width,
2520 track->par->sample_aspect_ratio.den);
2522 int64_t pos = avio_tell(pb);
2524 avio_wb32(pb, 0); /* size */
2525 ffio_wfourcc(pb, "tapt");
2528 ffio_wfourcc(pb, "clef");
2530 avio_wb32(pb, width << 16);
2531 avio_wb32(pb, track->par->height << 16);
2534 ffio_wfourcc(pb, "prof");
2536 avio_wb32(pb, width << 16);
2537 avio_wb32(pb, track->par->height << 16);
2540 ffio_wfourcc(pb, "enof");
2542 avio_wb32(pb, track->par->width << 16);
2543 avio_wb32(pb, track->par->height << 16);
2545 return update_size(pb, pos);
2548 // This box seems important for the psp playback ... without it the movie seems to hang
2549 static int mov_write_edts_tag(AVIOContext *pb, MOVMuxContext *mov,
2552 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
2553 track->timescale, AV_ROUND_UP);
2554 int version = duration < INT32_MAX ? 0 : 1;
2555 int entry_size, entry_count, size;
2556 int64_t delay, start_ct = track->start_cts;
2557 int64_t start_dts = track->start_dts;
2560 if (start_dts != track->cluster[0].dts || start_ct != track->cluster[0].cts) {
2562 av_log(mov->fc, AV_LOG_DEBUG,
2563 "EDTS using dts:%"PRId64" cts:%d instead of dts:%"PRId64" cts:%"PRId64" tid:%d\n",
2564 track->cluster[0].dts, track->cluster[0].cts,
2565 start_dts, start_ct, track->track_id);
2566 start_dts = track->cluster[0].dts;
2567 start_ct = track->cluster[0].cts;
2571 delay = av_rescale_rnd(start_dts + start_ct, MOV_TIMESCALE,
2572 track->timescale, AV_ROUND_DOWN);
2573 version |= delay < INT32_MAX ? 0 : 1;
2575 entry_size = (version == 1) ? 20 : 12;
2576 entry_count = 1 + (delay > 0);
2577 size = 24 + entry_count * entry_size;
2579 /* write the atom data */
2580 avio_wb32(pb, size);
2581 ffio_wfourcc(pb, "edts");
2582 avio_wb32(pb, size - 8);
2583 ffio_wfourcc(pb, "elst");
2584 avio_w8(pb, version);
2585 avio_wb24(pb, 0); /* flags */
2587 avio_wb32(pb, entry_count);
2588 if (delay > 0) { /* add an empty edit to delay presentation */
2589 /* In the positive delay case, the delay includes the cts
2590 * offset, and the second edit list entry below trims out
2591 * the same amount from the actual content. This makes sure
2592 * that the offset last sample is included in the edit
2593 * list duration as well. */
2595 avio_wb64(pb, delay);
2598 avio_wb32(pb, delay);
2601 avio_wb32(pb, 0x00010000);
2603 /* Avoid accidentally ending up with start_ct = -1 which has got a
2604 * special meaning. Normally start_ct should end up positive or zero
2605 * here, but use FFMIN in case dts is a small positive integer
2606 * rounded to 0 when represented in MOV_TIMESCALE units. */
2607 av_assert0(av_rescale_rnd(start_dts, MOV_TIMESCALE, track->timescale, AV_ROUND_DOWN) <= 0);
2608 start_ct = -FFMIN(start_dts, 0);
2609 /* Note, this delay is calculated from the pts of the first sample,
2610 * ensuring that we don't reduce the duration for cases with
2615 /* For fragmented files, we don't know the full length yet. Setting
2616 * duration to 0 allows us to only specify the offset, including
2617 * the rest of the content (from all future fragments) without specifying
2618 * an explicit duration. */
2619 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
2624 avio_wb64(pb, duration);
2625 avio_wb64(pb, start_ct);
2627 avio_wb32(pb, duration);
2628 avio_wb32(pb, start_ct);
2630 avio_wb32(pb, 0x00010000);
2634 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
2636 avio_wb32(pb, 20); // size
2637 ffio_wfourcc(pb, "tref");
2638 avio_wb32(pb, 12); // size (subatom)
2639 avio_wl32(pb, track->tref_tag);
2640 avio_wb32(pb, track->tref_id);
2644 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
2645 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
2647 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
2648 ffio_wfourcc(pb, "uuid");
2649 ffio_wfourcc(pb, "USMT");
2650 avio_wb32(pb, 0x21d24fce);
2651 avio_wb32(pb, 0xbb88695c);
2652 avio_wb32(pb, 0xfac9c740);
2653 avio_wb32(pb, 0x1c); // another size here!
2654 ffio_wfourcc(pb, "MTDT");
2655 avio_wb32(pb, 0x00010012);
2656 avio_wb32(pb, 0x0a);
2657 avio_wb32(pb, 0x55c40000);
2663 static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
2665 AVFormatContext *ctx = track->rtp_ctx;
2666 char buf[1000] = "";
2669 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
2670 NULL, NULL, 0, 0, ctx);
2671 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
2674 avio_wb32(pb, len + 24);
2675 ffio_wfourcc(pb, "udta");
2676 avio_wb32(pb, len + 16);
2677 ffio_wfourcc(pb, "hnti");
2678 avio_wb32(pb, len + 8);
2679 ffio_wfourcc(pb, "sdp ");
2680 avio_write(pb, buf, len);
2684 static int mov_write_track_metadata(AVIOContext *pb, AVStream *st,
2685 const char *tag, const char *str)
2687 int64_t pos = avio_tell(pb);
2688 AVDictionaryEntry *t = av_dict_get(st->metadata, str, NULL, 0);
2689 if (!t || !utf8len(t->value))
2692 avio_wb32(pb, 0); /* size */
2693 ffio_wfourcc(pb, tag); /* type */
2694 avio_write(pb, t->value, strlen(t->value)); /* UTF8 string value */
2695 return update_size(pb, pos);
2698 static int mov_write_track_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
2701 AVIOContext *pb_buf;
2708 ret = avio_open_dyn_buf(&pb_buf);
2712 if (mov->mode & MODE_MP4)
2713 mov_write_track_metadata(pb_buf, st, "name", "title");
2715 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
2716 avio_wb32(pb, size + 8);
2717 ffio_wfourcc(pb, "udta");
2718 avio_write(pb, buf, size);
2725 static int mov_write_trak_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov,
2726 MOVTrack *track, AVStream *st)
2728 int64_t pos = avio_tell(pb);
2729 int entry_backup = track->entry;
2730 int chunk_backup = track->chunkCount;
2733 /* If we want to have an empty moov, but some samples already have been
2734 * buffered (delay_moov), pretend that no samples have been written yet. */
2735 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV)
2736 track->chunkCount = track->entry = 0;
2738 avio_wb32(pb, 0); /* size */
2739 ffio_wfourcc(pb, "trak");
2740 mov_write_tkhd_tag(pb, mov, track, st);
2742 av_assert2(mov->use_editlist >= 0);
2744 if (track->start_dts != AV_NOPTS_VALUE) {
2745 if (mov->use_editlist)
2746 mov_write_edts_tag(pb, mov, track); // PSP Movies and several other cases require edts box
2747 else if ((track->entry && track->cluster[0].dts) || track->mode == MODE_PSP || is_clcp_track(track))
2748 av_log(mov->fc, AV_LOG_WARNING,
2749 "Not writing any edit list even though one would have been required\n");
2752 if (track->tref_tag)
2753 mov_write_tref_tag(pb, track);
2755 if ((ret = mov_write_mdia_tag(s, pb, mov, track)) < 0)
2757 if (track->mode == MODE_PSP)
2758 mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box
2759 if (track->tag == MKTAG('r','t','p',' '))
2760 mov_write_udta_sdp(pb, track);
2761 if (track->mode == MODE_MOV) {
2762 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
2763 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
2764 if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio) {
2765 mov_write_tapt_tag(pb, track);
2768 if (is_clcp_track(track) && st->sample_aspect_ratio.num) {
2769 mov_write_tapt_tag(pb, track);
2772 mov_write_track_udta_tag(pb, mov, st);
2773 track->entry = entry_backup;
2774 track->chunkCount = chunk_backup;
2775 return update_size(pb, pos);
2778 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
2780 int i, has_audio = 0, has_video = 0;
2781 int64_t pos = avio_tell(pb);
2782 int audio_profile = mov->iods_audio_profile;
2783 int video_profile = mov->iods_video_profile;
2784 for (i = 0; i < mov->nb_streams; i++) {
2785 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
2786 has_audio |= mov->tracks[i].par->codec_type == AVMEDIA_TYPE_AUDIO;
2787 has_video |= mov->tracks[i].par->codec_type == AVMEDIA_TYPE_VIDEO;
2790 if (audio_profile < 0)
2791 audio_profile = 0xFF - has_audio;
2792 if (video_profile < 0)
2793 video_profile = 0xFF - has_video;
2794 avio_wb32(pb, 0x0); /* size */
2795 ffio_wfourcc(pb, "iods");
2796 avio_wb32(pb, 0); /* version & flags */
2797 put_descr(pb, 0x10, 7);
2798 avio_wb16(pb, 0x004f);
2801 avio_w8(pb, audio_profile);
2802 avio_w8(pb, video_profile);
2804 return update_size(pb, pos);
2807 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
2809 avio_wb32(pb, 0x20); /* size */
2810 ffio_wfourcc(pb, "trex");
2811 avio_wb32(pb, 0); /* version & flags */
2812 avio_wb32(pb, track->track_id); /* track ID */
2813 avio_wb32(pb, 1); /* default sample description index */
2814 avio_wb32(pb, 0); /* default sample duration */
2815 avio_wb32(pb, 0); /* default sample size */
2816 avio_wb32(pb, 0); /* default sample flags */
2820 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
2822 int64_t pos = avio_tell(pb);
2824 avio_wb32(pb, 0x0); /* size */
2825 ffio_wfourcc(pb, "mvex");
2826 for (i = 0; i < mov->nb_streams; i++)
2827 mov_write_trex_tag(pb, &mov->tracks[i]);
2828 return update_size(pb, pos);
2831 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
2833 int max_track_id = 1, i;
2834 int64_t max_track_len = 0;
2837 for (i = 0; i < mov->nb_streams; i++) {
2838 if (mov->tracks[i].entry > 0 && mov->tracks[i].timescale) {
2839 int64_t max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
2841 mov->tracks[i].timescale,
2843 if (max_track_len < max_track_len_temp)
2844 max_track_len = max_track_len_temp;
2845 if (max_track_id < mov->tracks[i].track_id)
2846 max_track_id = mov->tracks[i].track_id;
2849 /* If using delay_moov, make sure the output is the same as if no
2850 * samples had been written yet. */
2851 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
2856 version = max_track_len < UINT32_MAX ? 0 : 1;
2857 avio_wb32(pb, version == 1 ? 120 : 108); /* size */
2859 ffio_wfourcc(pb, "mvhd");
2860 avio_w8(pb, version);
2861 avio_wb24(pb, 0); /* flags */
2863 avio_wb64(pb, mov->time);
2864 avio_wb64(pb, mov->time);
2866 avio_wb32(pb, mov->time); /* creation time */
2867 avio_wb32(pb, mov->time); /* modification time */
2869 avio_wb32(pb, MOV_TIMESCALE);
2870 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
2872 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
2873 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
2874 avio_wb16(pb, 0); /* reserved */
2875 avio_wb32(pb, 0); /* reserved */
2876 avio_wb32(pb, 0); /* reserved */
2878 /* Matrix structure */
2879 write_matrix(pb, 1, 0, 0, 1, 0, 0);
2881 avio_wb32(pb, 0); /* reserved (preview time) */
2882 avio_wb32(pb, 0); /* reserved (preview duration) */
2883 avio_wb32(pb, 0); /* reserved (poster time) */
2884 avio_wb32(pb, 0); /* reserved (selection time) */
2885 avio_wb32(pb, 0); /* reserved (selection duration) */
2886 avio_wb32(pb, 0); /* reserved (current time) */
2887 avio_wb32(pb, max_track_id + 1); /* Next track id */
2891 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
2894 avio_wb32(pb, 33); /* size */
2895 ffio_wfourcc(pb, "hdlr");
2898 ffio_wfourcc(pb, "mdir");
2899 ffio_wfourcc(pb, "appl");
2906 /* helper function to write a data tag with the specified string as data */
2907 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
2910 int size = 16 + strlen(data);
2911 avio_wb32(pb, size); /* size */
2912 ffio_wfourcc(pb, "data");
2915 avio_write(pb, data, strlen(data));
2919 lang = ff_mov_iso639_to_lang("und", 1);
2920 avio_wb16(pb, strlen(data)); /* string length */
2921 avio_wb16(pb, lang);
2922 avio_write(pb, data, strlen(data));
2923 return strlen(data) + 4;
2927 static int mov_write_string_tag(AVIOContext *pb, const char *name,
2928 const char *value, int lang, int long_style)
2931 if (value && value[0]) {
2932 int64_t pos = avio_tell(pb);
2933 avio_wb32(pb, 0); /* size */
2934 ffio_wfourcc(pb, name);
2935 mov_write_string_data_tag(pb, value, lang, long_style);
2936 size = update_size(pb, pos);
2941 static AVDictionaryEntry *get_metadata_lang(AVFormatContext *s,
2942 const char *tag, int *lang)
2945 AVDictionaryEntry *t, *t2 = NULL;
2950 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
2953 len = strlen(t->key);
2954 snprintf(tag2, sizeof(tag2), "%s-", tag);
2955 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
2956 len2 = strlen(t2->key);
2957 if (len2 == len + 4 && !strcmp(t->value, t2->value)
2958 && (l = ff_mov_iso639_to_lang(&t2->key[len2 - 3], 1)) >= 0) {
2966 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
2967 const char *name, const char *tag,
2971 AVDictionaryEntry *t = get_metadata_lang(s, tag, &lang);
2974 return mov_write_string_tag(pb, name, t->value, lang, long_style);
2977 /* iTunes bpm number */
2978 static int mov_write_tmpo_tag(AVIOContext *pb, AVFormatContext *s)
2980 AVDictionaryEntry *t = av_dict_get(s->metadata, "tmpo", NULL, 0);
2981 int size = 0, tmpo = t ? atoi(t->value) : 0;
2984 avio_wb32(pb, size);
2985 ffio_wfourcc(pb, "tmpo");
2986 avio_wb32(pb, size-8); /* size */
2987 ffio_wfourcc(pb, "data");
2988 avio_wb32(pb, 0x15); //type specifier
2990 avio_wb16(pb, tmpo); // data
2995 /* 3GPP TS 26.244 */
2996 static int mov_write_loci_tag(AVFormatContext *s, AVIOContext *pb)
2999 int64_t pos = avio_tell(pb);
3000 double latitude, longitude, altitude;
3001 int32_t latitude_fix, longitude_fix, altitude_fix;
3002 AVDictionaryEntry *t = get_metadata_lang(s, "location", &lang);
3003 const char *ptr, *place = "";
3005 static const char *astronomical_body = "earth";
3010 longitude = strtod(ptr, &end);
3012 av_log(s, AV_LOG_WARNING, "malformed location metadata\n");
3016 latitude = strtod(ptr, &end);
3018 av_log(s, AV_LOG_WARNING, "malformed location metadata\n");
3022 altitude = strtod(ptr, &end);
3023 /* If no altitude was present, the default 0 should be fine */
3027 latitude_fix = (int32_t) ((1 << 16) * latitude);
3028 longitude_fix = (int32_t) ((1 << 16) * longitude);
3029 altitude_fix = (int32_t) ((1 << 16) * altitude);
3031 avio_wb32(pb, 0); /* size */
3032 ffio_wfourcc(pb, "loci"); /* type */
3033 avio_wb32(pb, 0); /* version + flags */
3034 avio_wb16(pb, lang);
3035 avio_write(pb, place, strlen(place) + 1);
3036 avio_w8(pb, 0); /* role of place (0 == shooting location, 1 == real location, 2 == fictional location) */
3037 avio_wb32(pb, latitude_fix);
3038 avio_wb32(pb, longitude_fix);
3039 avio_wb32(pb, altitude_fix);
3040 avio_write(pb, astronomical_body, strlen(astronomical_body) + 1);
3041 avio_w8(pb, 0); /* additional notes, null terminated string */
3043 return update_size(pb, pos);
3046 /* iTunes track or disc number */
3047 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
3048 AVFormatContext *s, int disc)
3050 AVDictionaryEntry *t = av_dict_get(s->metadata,
3051 disc ? "disc" : "track",
3053 int size = 0, track = t ? atoi(t->value) : 0;
3056 char *slash = strchr(t->value, '/');
3058 tracks = atoi(slash + 1);
3059 avio_wb32(pb, 32); /* size */
3060 ffio_wfourcc(pb, disc ? "disk" : "trkn");
3061 avio_wb32(pb, 24); /* size */
3062 ffio_wfourcc(pb, "data");
3063 avio_wb32(pb, 0); // 8 bytes empty
3065 avio_wb16(pb, 0); // empty
3066 avio_wb16(pb, track); // track / disc number
3067 avio_wb16(pb, tracks); // total track / disc number
3068 avio_wb16(pb, 0); // empty
3074 static int mov_write_int8_metadata(AVFormatContext *s, AVIOContext *pb,
3075 const char *name, const char *tag,
3078 AVDictionaryEntry *t = NULL;
3080 int size = 24 + len;
3082 if (len != 1 && len != 4)
3085 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
3087 num = atoi(t->value);
3089 avio_wb32(pb, size);
3090 ffio_wfourcc(pb, name);
3091 avio_wb32(pb, size - 8);
3092 ffio_wfourcc(pb, "data");
3093 avio_wb32(pb, 0x15);
3095 if (len==4) avio_wb32(pb, num);
3096 else avio_w8 (pb, num);
3101 /* iTunes meta data list */
3102 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
3105 int64_t pos = avio_tell(pb);
3106 avio_wb32(pb, 0); /* size */
3107 ffio_wfourcc(pb, "ilst");
3108 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
3109 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
3110 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
3111 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
3112 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
3113 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
3114 if (!mov_write_string_metadata(s, pb, "\251too", "encoding_tool", 1)) {
3115 if (!(s->flags & AVFMT_FLAG_BITEXACT))
3116 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
3118 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
3119 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
3120 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
3121 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
3122 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
3123 mov_write_string_metadata(s, pb, "desc", "description",1);
3124 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
3125 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
3126 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
3127 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
3128 mov_write_int8_metadata (s, pb, "tves", "episode_sort",4);
3129 mov_write_int8_metadata (s, pb, "tvsn", "season_number",4);
3130 mov_write_int8_metadata (s, pb, "stik", "media_type",1);
3131 mov_write_int8_metadata (s, pb, "hdvd", "hd_video", 1);
3132 mov_write_int8_metadata (s, pb, "pgap", "gapless_playback",1);
3133 mov_write_int8_metadata (s, pb, "cpil", "compilation", 1);
3134 mov_write_trkn_tag(pb, mov, s, 0); // track number
3135 mov_write_trkn_tag(pb, mov, s, 1); // disc number
3136 mov_write_tmpo_tag(pb, s);
3137 return update_size(pb, pos);
3140 static int mov_write_mdta_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
3143 avio_wb32(pb, 33); /* size */
3144 ffio_wfourcc(pb, "hdlr");
3147 ffio_wfourcc(pb, "mdta");
3155 static int mov_write_mdta_keys_tag(AVIOContext *pb, MOVMuxContext *mov,
3158 AVDictionaryEntry *t = NULL;
3159 int64_t pos = avio_tell(pb);
3160 int64_t curpos, entry_pos;
3163 avio_wb32(pb, 0); /* size */
3164 ffio_wfourcc(pb, "keys");
3166 entry_pos = avio_tell(pb);
3167 avio_wb32(pb, 0); /* entry count */
3169 while (t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX)) {
3170 avio_wb32(pb, strlen(t->key) + 8);
3171 ffio_wfourcc(pb, "mdta");
3172 avio_write(pb, t->key, strlen(t->key));
3175 curpos = avio_tell(pb);
3176 avio_seek(pb, entry_pos, SEEK_SET);
3177 avio_wb32(pb, count); // rewrite entry count
3178 avio_seek(pb, curpos, SEEK_SET);
3180 return update_size(pb, pos);
3183 static int mov_write_mdta_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
3186 AVDictionaryEntry *t = NULL;
3187 int64_t pos = avio_tell(pb);
3188 int count = 1; /* keys are 1-index based */
3190 avio_wb32(pb, 0); /* size */
3191 ffio_wfourcc(pb, "ilst");
3193 while (t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX)) {
3194 int64_t entry_pos = avio_tell(pb);
3195 avio_wb32(pb, 0); /* size */
3196 avio_wb32(pb, count); /* key */
3197 mov_write_string_data_tag(pb, t->value, 0, 1);
3198 update_size(pb, entry_pos);
3201 return update_size(pb, pos);
3204 /* meta data tags */
3205 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
3209 int64_t pos = avio_tell(pb);
3210 avio_wb32(pb, 0); /* size */
3211 ffio_wfourcc(pb, "meta");
3213 if (mov->flags & FF_MOV_FLAG_USE_MDTA) {
3214 mov_write_mdta_hdlr_tag(pb, mov, s);
3215 mov_write_mdta_keys_tag(pb, mov, s);
3216 mov_write_mdta_ilst_tag(pb, mov, s);
3219 /* iTunes metadata tag */
3220 mov_write_itunes_hdlr_tag(pb, mov, s);
3221 mov_write_ilst_tag(pb, mov, s);
3223 size = update_size(pb, pos);
3227 static int mov_write_raw_metadata_tag(AVFormatContext *s, AVIOContext *pb,
3228 const char *name, const char *key)
3231 AVDictionaryEntry *t;
3233 if (!(t = av_dict_get(s->metadata, key, NULL, 0)))
3236 len = strlen(t->value);
3239 avio_wb32(pb, size);
3240 ffio_wfourcc(pb, name);
3241 avio_write(pb, t->value, len);
3247 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
3251 GET_UTF8(val, *b++, return -1;)
3254 avio_wb16(pb, 0x00);
3258 static uint16_t language_code(const char *str)
3260 return (((str[0] - 0x60) & 0x1F) << 10) +
3261 (((str[1] - 0x60) & 0x1F) << 5) +
3262 (( str[2] - 0x60) & 0x1F);
3265 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
3266 const char *tag, const char *str)
3268 int64_t pos = avio_tell(pb);
3269 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
3270 if (!t || !utf8len(t->value))
3272 avio_wb32(pb, 0); /* size */
3273 ffio_wfourcc(pb, tag); /* type */
3274 avio_wb32(pb, 0); /* version + flags */
3275 if (!strcmp(tag, "yrrc"))
3276 avio_wb16(pb, atoi(t->value));
3278 avio_wb16(pb, language_code("eng")); /* language */
3279 avio_write(pb, t->value, strlen(t->value) + 1); /* UTF8 string value */
3280 if (!strcmp(tag, "albm") &&
3281 (t = av_dict_get(s->metadata, "track", NULL, 0)))
3282 avio_w8(pb, atoi(t->value));
3284 return update_size(pb, pos);
3287 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
3289 int64_t pos = avio_tell(pb);
3290 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
3292 avio_wb32(pb, 0); // size
3293 ffio_wfourcc(pb, "chpl");
3294 avio_wb32(pb, 0x01000000); // version + flags
3295 avio_wb32(pb, 0); // unknown
3296 avio_w8(pb, nb_chapters);
3298 for (i = 0; i < nb_chapters; i++) {
3299 AVChapter *c = s->chapters[i];
3300 AVDictionaryEntry *t;
3301 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
3303 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3304 int len = FFMIN(strlen(t->value), 255);
3306 avio_write(pb, t->value, len);
3310 return update_size(pb, pos);
3313 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
3316 AVIOContext *pb_buf;
3320 ret = avio_open_dyn_buf(&pb_buf);
3324 if (mov->mode & MODE_3GP) {
3325 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
3326 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
3327 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
3328 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
3329 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
3330 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
3331 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
3332 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
3333 mov_write_loci_tag(s, pb_buf);
3334 } 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
3335 mov_write_string_metadata(s, pb_buf, "\251ART", "artist", 0);
3336 mov_write_string_metadata(s, pb_buf, "\251nam", "title", 0);
3337 mov_write_string_metadata(s, pb_buf, "\251aut", "author", 0);
3338 mov_write_string_metadata(s, pb_buf, "\251alb", "album", 0);
3339 mov_write_string_metadata(s, pb_buf, "\251day", "date", 0);
3340 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder", 0);
3341 // currently ignored by mov.c
3342 mov_write_string_metadata(s, pb_buf, "\251des", "comment", 0);
3343 // add support for libquicktime, this atom is also actually read by mov.c
3344 mov_write_string_metadata(s, pb_buf, "\251cmt", "comment", 0);
3345 mov_write_string_metadata(s, pb_buf, "\251gen", "genre", 0);
3346 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright", 0);
3347 mov_write_string_metadata(s, pb_buf, "\251mak", "make", 0);
3348 mov_write_string_metadata(s, pb_buf, "\251mod", "model", 0);
3349 mov_write_string_metadata(s, pb_buf, "\251xyz", "location", 0);
3350 mov_write_raw_metadata_tag(s, pb_buf, "XMP_", "xmp");
3352 /* iTunes meta data */
3353 mov_write_meta_tag(pb_buf, mov, s);
3354 mov_write_loci_tag(s, pb_buf);
3357 if (s->nb_chapters && !(mov->flags & FF_MOV_FLAG_DISABLE_CHPL))
3358 mov_write_chpl_tag(pb_buf, s);
3360 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
3361 avio_wb32(pb, size + 8);
3362 ffio_wfourcc(pb, "udta");
3363 avio_write(pb, buf, size);
3370 static void mov_write_psp_udta_tag(AVIOContext *pb,
3371 const char *str, const char *lang, int type)
3373 int len = utf8len(str) + 1;
3376 avio_wb16(pb, len * 2 + 10); /* size */
3377 avio_wb32(pb, type); /* type */
3378 avio_wb16(pb, language_code(lang)); /* language */
3379 avio_wb16(pb, 0x01); /* ? */
3380 ascii_to_wc(pb, str);
3383 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
3385 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
3389 pos = avio_tell(pb);
3390 avio_wb32(pb, 0); /* size placeholder*/
3391 ffio_wfourcc(pb, "uuid");
3392 ffio_wfourcc(pb, "USMT");
3393 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
3394 avio_wb32(pb, 0xbb88695c);
3395 avio_wb32(pb, 0xfac9c740);
3397 pos2 = avio_tell(pb);
3398 avio_wb32(pb, 0); /* size placeholder*/
3399 ffio_wfourcc(pb, "MTDT");
3403 avio_wb16(pb, 0x0C); /* size */
3404 avio_wb32(pb, 0x0B); /* type */
3405 avio_wb16(pb, language_code("und")); /* language */
3406 avio_wb16(pb, 0x0); /* ? */
3407 avio_wb16(pb, 0x021C); /* data */
3409 if (!(s->flags & AVFMT_FLAG_BITEXACT))
3410 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
3411 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
3412 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
3414 update_size(pb, pos2);
3415 return update_size(pb, pos);
3421 static void build_chunks(MOVTrack *trk)
3424 MOVIentry *chunk = &trk->cluster[0];
3425 uint64_t chunkSize = chunk->size;
3426 chunk->chunkNum = 1;
3427 if (trk->chunkCount)
3429 trk->chunkCount = 1;
3430 for (i = 1; i<trk->entry; i++){
3431 if (chunk->pos + chunkSize == trk->cluster[i].pos &&
3432 chunkSize + trk->cluster[i].size < (1<<20)){
3433 chunkSize += trk->cluster[i].size;
3434 chunk->samples_in_chunk += trk->cluster[i].entries;
3436 trk->cluster[i].chunkNum = chunk->chunkNum+1;
3437 chunk=&trk->cluster[i];
3438 chunkSize = chunk->size;
3445 * Assign track ids. If option "use_stream_ids_as_track_ids" is set,
3446 * the stream ids are used as track ids.
3448 * This assumes mov->tracks and s->streams are in the same order and
3449 * there are no gaps in either of them (so mov->tracks[n] refers to
3452 * As an exception, there can be more entries in
3453 * s->streams than in mov->tracks, in which case new track ids are
3454 * generated (starting after the largest found stream id).
3456 static int mov_setup_track_ids(MOVMuxContext *mov, AVFormatContext *s)
3460 if (mov->track_ids_ok)
3463 if (mov->use_stream_ids_as_track_ids) {
3464 int next_generated_track_id = 0;
3465 for (i = 0; i < s->nb_streams; i++) {
3466 if (s->streams[i]->id > next_generated_track_id)
3467 next_generated_track_id = s->streams[i]->id;
3470 for (i = 0; i < mov->nb_streams; i++) {
3471 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
3474 mov->tracks[i].track_id = i >= s->nb_streams ? ++next_generated_track_id : s->streams[i]->id;
3477 for (i = 0; i < mov->nb_streams; i++) {
3478 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
3481 mov->tracks[i].track_id = i + 1;
3485 mov->track_ids_ok = 1;
3490 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
3494 int64_t pos = avio_tell(pb);
3495 avio_wb32(pb, 0); /* size placeholder*/
3496 ffio_wfourcc(pb, "moov");
3498 mov_setup_track_ids(mov, s);
3500 for (i = 0; i < mov->nb_streams; i++) {
3501 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
3504 mov->tracks[i].time = mov->time;
3506 if (mov->tracks[i].entry)
3507 build_chunks(&mov->tracks[i]);
3510 if (mov->chapter_track)
3511 for (i = 0; i < s->nb_streams; i++) {
3512 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
3513 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
3515 for (i = 0; i < mov->nb_streams; i++) {
3516 MOVTrack *track = &mov->tracks[i];
3517 if (track->tag == MKTAG('r','t','p',' ')) {
3518 track->tref_tag = MKTAG('h','i','n','t');
3519 track->tref_id = mov->tracks[track->src_track].track_id;
3520 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
3521 int * fallback, size;
3522 fallback = (int*)av_stream_get_side_data(track->st,
3523 AV_PKT_DATA_FALLBACK_TRACK,
3525 if (fallback != NULL && size == sizeof(int)) {
3526 if (*fallback >= 0 && *fallback < mov->nb_streams) {
3527 track->tref_tag = MKTAG('f','a','l','l');
3528 track->tref_id = mov->tracks[*fallback].track_id;
3533 for (i = 0; i < mov->nb_streams; i++) {
3534 if (mov->tracks[i].tag == MKTAG('t','m','c','d')) {
3535 int src_trk = mov->tracks[i].src_track;
3536 mov->tracks[src_trk].tref_tag = mov->tracks[i].tag;
3537 mov->tracks[src_trk].tref_id = mov->tracks[i].track_id;
3538 //src_trk may have a different timescale than the tmcd track
3539 mov->tracks[i].track_duration = av_rescale(mov->tracks[src_trk].track_duration,
3540 mov->tracks[i].timescale,
3541 mov->tracks[src_trk].timescale);
3545 mov_write_mvhd_tag(pb, mov);
3546 if (mov->mode != MODE_MOV && !mov->iods_skip)
3547 mov_write_iods_tag(pb, mov);
3548 for (i = 0; i < mov->nb_streams; i++) {
3549 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
3550 int ret = mov_write_trak_tag(s, pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
3555 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
3556 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
3558 if (mov->mode == MODE_PSP)
3559 mov_write_uuidusmt_tag(pb, s);
3561 mov_write_udta_tag(pb, mov, s);
3563 return update_size(pb, pos);
3566 static void param_write_int(AVIOContext *pb, const char *name, int value)
3568 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
3571 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
3573 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
3576 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
3579 len = FFMIN(sizeof(buf) / 2 - 1, len);
3580 ff_data_to_hex(buf, value, len, 0);
3581 buf[2 * len] = '\0';
3582 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
3585 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov, AVFormatContext *s)
3587 int64_t pos = avio_tell(pb);
3589 int64_t manifest_bit_rate = 0;
3590 AVCPBProperties *props = NULL;
3592 static const uint8_t uuid[] = {
3593 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
3594 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
3598 ffio_wfourcc(pb, "uuid");
3599 avio_write(pb, uuid, sizeof(uuid));
3602 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
3603 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
3604 avio_printf(pb, "<head>\n");
3605 if (!(mov->fc->flags & AVFMT_FLAG_BITEXACT))
3606 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
3608 avio_printf(pb, "</head>\n");
3609 avio_printf(pb, "<body>\n");
3610 avio_printf(pb, "<switch>\n");
3612 mov_setup_track_ids(mov, s);
3614 for (i = 0; i < mov->nb_streams; i++) {
3615 MOVTrack *track = &mov->tracks[i];
3617 int track_id = track->track_id;
3619 AVStream *st = track->st;
3620 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
3622 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
3624 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
3630 props = (AVCPBProperties*)av_stream_get_side_data(track->st, AV_PKT_DATA_CPB_PROPERTIES, NULL);
3632 if (track->par->bit_rate) {
3633 manifest_bit_rate = track->par->bit_rate;
3635 manifest_bit_rate = props->max_bitrate;
3638 avio_printf(pb, "<%s systemBitrate=\"%"PRId64"\">\n", type,
3640 param_write_int(pb, "systemBitrate", manifest_bit_rate);
3641 param_write_int(pb, "trackID", track_id);
3642 param_write_string(pb, "systemLanguage", lang ? lang->value : "und");
3643 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
3644 if (track->par->codec_id == AV_CODEC_ID_H264) {
3646 int size = track->par->extradata_size;
3647 if (!ff_avc_write_annexb_extradata(track->par->extradata, &ptr,
3649 param_write_hex(pb, "CodecPrivateData",
3650 ptr ? ptr : track->par->extradata,
3654 param_write_string(pb, "FourCC", "H264");
3655 } else if (track->par->codec_id == AV_CODEC_ID_VC1) {
3656 param_write_string(pb, "FourCC", "WVC1");
3657 param_write_hex(pb, "CodecPrivateData", track->par->extradata,
3658 track->par->extradata_size);
3660 param_write_int(pb, "MaxWidth", track->par->width);
3661 param_write_int(pb, "MaxHeight", track->par->height);
3662 param_write_int(pb, "DisplayWidth", track->par->width);
3663 param_write_int(pb, "DisplayHeight", track->par->height);
3665 if (track->par->codec_id == AV_CODEC_ID_AAC) {
3666 switch (track->par->profile)
3668 case FF_PROFILE_AAC_HE_V2:
3669 param_write_string(pb, "FourCC", "AACP");
3671 case FF_PROFILE_AAC_HE:
3672 param_write_string(pb, "FourCC", "AACH");
3675 param_write_string(pb, "FourCC", "AACL");
3677 } else if (track->par->codec_id == AV_CODEC_ID_WMAPRO) {
3678 param_write_string(pb, "FourCC", "WMAP");
3680 param_write_hex(pb, "CodecPrivateData", track->par->extradata,
3681 track->par->extradata_size);
3682 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
3683 track->par->codec_id));
3684 param_write_int(pb, "Channels", track->par->channels);
3685 param_write_int(pb, "SamplingRate", track->par->sample_rate);
3686 param_write_int(pb, "BitsPerSample", 16);
3687 param_write_int(pb, "PacketSize", track->par->block_align ?
3688 track->par->block_align : 4);
3690 avio_printf(pb, "</%s>\n", type);
3692 avio_printf(pb, "</switch>\n");
3693 avio_printf(pb, "</body>\n");
3694 avio_printf(pb, "</smil>\n");
3696 return update_size(pb, pos);
3699 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
3702 ffio_wfourcc(pb, "mfhd");
3704 avio_wb32(pb, mov->fragments);
3708 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
3710 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
3711 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
3714 static int mov_write_tfhd_tag(AVIOContext *pb, MOVMuxContext *mov,
3715 MOVTrack *track, int64_t moof_offset)
3717 int64_t pos = avio_tell(pb);
3718 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
3719 MOV_TFHD_BASE_DATA_OFFSET;
3720 if (!track->entry) {
3721 flags |= MOV_TFHD_DURATION_IS_EMPTY;
3723 flags |= MOV_TFHD_DEFAULT_FLAGS;
3725 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET)
3726 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
3727 if (mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) {
3728 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
3729 flags |= MOV_TFHD_DEFAULT_BASE_IS_MOOF;
3732 /* Don't set a default sample size, the silverlight player refuses
3733 * to play files with that set. Don't set a default sample duration,
3734 * WMP freaks out if it is set. Don't set a base data offset, PIFF
3735 * file format says it MUST NOT be set. */
3736 if (track->mode == MODE_ISM)
3737 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
3738 MOV_TFHD_BASE_DATA_OFFSET);
3740 avio_wb32(pb, 0); /* size placeholder */
3741 ffio_wfourcc(pb, "tfhd");
3742 avio_w8(pb, 0); /* version */
3743 avio_wb24(pb, flags);
3745 avio_wb32(pb, track->track_id); /* track-id */
3746 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
3747 avio_wb64(pb, moof_offset);
3748 if (flags & MOV_TFHD_DEFAULT_DURATION) {
3749 track->default_duration = get_cluster_duration(track, 0);
3750 avio_wb32(pb, track->default_duration);
3752 if (flags & MOV_TFHD_DEFAULT_SIZE) {
3753 track->default_size = track->entry ? track->cluster[0].size : 1;
3754 avio_wb32(pb, track->default_size);
3756 track->default_size = -1;
3758 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
3759 /* Set the default flags based on the second sample, if available.
3760 * If the first sample is different, that can be signaled via a separate field. */
3761 if (track->entry > 1)
3762 track->default_sample_flags = get_sample_flags(track, &track->cluster[1]);
3764 track->default_sample_flags =
3765 track->par->codec_type == AVMEDIA_TYPE_VIDEO ?
3766 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
3767 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
3768 avio_wb32(pb, track->default_sample_flags);
3771 return update_size(pb, pos);
3774 static int mov_write_trun_tag(AVIOContext *pb, MOVMuxContext *mov,
3775 MOVTrack *track, int moof_size,
3778 int64_t pos = avio_tell(pb);
3779 uint32_t flags = MOV_TRUN_DATA_OFFSET;
3782 for (i = first; i < end; i++) {
3783 if (get_cluster_duration(track, i) != track->default_duration)
3784 flags |= MOV_TRUN_SAMPLE_DURATION;
3785 if (track->cluster[i].size != track->default_size)
3786 flags |= MOV_TRUN_SAMPLE_SIZE;
3787 if (i > first && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
3788 flags |= MOV_TRUN_SAMPLE_FLAGS;
3790 if (!(flags & MOV_TRUN_SAMPLE_FLAGS) && track->entry > 0 &&
3791 get_sample_flags(track, &track->cluster[0]) != track->default_sample_flags)
3792 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
3793 if (track->flags & MOV_TRACK_CTTS)
3794 flags |= MOV_TRUN_SAMPLE_CTS;
3796 avio_wb32(pb, 0); /* size placeholder */
3797 ffio_wfourcc(pb, "trun");
3798 avio_w8(pb, 0); /* version */
3799 avio_wb24(pb, flags);
3801 avio_wb32(pb, end - first); /* sample count */
3802 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
3803 !(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) &&
3805 avio_wb32(pb, 0); /* Later tracks follow immediately after the previous one */
3807 avio_wb32(pb, moof_size + 8 + track->data_offset +
3808 track->cluster[first].pos); /* data offset */
3809 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
3810 avio_wb32(pb, get_sample_flags(track, &track->cluster[first]));
3812 for (i = first; i < end; i++) {
3813 if (flags & MOV_TRUN_SAMPLE_DURATION)
3814 avio_wb32(pb, get_cluster_duration(track, i));
3815 if (flags & MOV_TRUN_SAMPLE_SIZE)
3816 avio_wb32(pb, track->cluster[i].size);
3817 if (flags & MOV_TRUN_SAMPLE_FLAGS)
3818 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
3819 if (flags & MOV_TRUN_SAMPLE_CTS)
3820 avio_wb32(pb, track->cluster[i].cts);
3823 mov->first_trun = 0;
3824 return update_size(pb, pos);
3827 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
3829 int64_t pos = avio_tell(pb);
3830 static const uint8_t uuid[] = {
3831 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
3832 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
3835 avio_wb32(pb, 0); /* size placeholder */
3836 ffio_wfourcc(pb, "uuid");
3837 avio_write(pb, uuid, sizeof(uuid));
3840 avio_wb64(pb, track->start_dts + track->frag_start +
3841 track->cluster[0].cts);
3842 avio_wb64(pb, track->end_pts -
3843 (track->cluster[0].dts + track->cluster[0].cts));
3845 return update_size(pb, pos);
3848 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
3849 MOVTrack *track, int entry)
3851 int n = track->nb_frag_info - 1 - entry, i;
3852 int size = 8 + 16 + 4 + 1 + 16*n;
3853 static const uint8_t uuid[] = {
3854 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
3855 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
3861 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
3862 avio_wb32(pb, size);
3863 ffio_wfourcc(pb, "uuid");
3864 avio_write(pb, uuid, sizeof(uuid));
3868 for (i = 0; i < n; i++) {
3869 int index = entry + 1 + i;
3870 avio_wb64(pb, track->frag_info[index].time);
3871 avio_wb64(pb, track->frag_info[index].duration);
3873 if (n < mov->ism_lookahead) {
3874 int free_size = 16 * (mov->ism_lookahead - n);
3875 avio_wb32(pb, free_size);
3876 ffio_wfourcc(pb, "free");
3877 ffio_fill(pb, 0, free_size - 8);
3883 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
3886 int64_t pos = avio_tell(pb);
3888 for (i = 0; i < mov->ism_lookahead; i++) {
3889 /* Update the tfrf tag for the last ism_lookahead fragments,
3890 * nb_frag_info - 1 is the next fragment to be written. */
3891 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
3893 avio_seek(pb, pos, SEEK_SET);
3897 static int mov_add_tfra_entries(AVIOContext *pb, MOVMuxContext *mov, int tracks,
3901 for (i = 0; i < mov->nb_streams; i++) {
3902 MOVTrack *track = &mov->tracks[i];
3903 MOVFragmentInfo *info;
3904 if ((tracks >= 0 && i != tracks) || !track->entry)
3906 track->nb_frag_info++;
3907 if (track->nb_frag_info >= track->frag_info_capacity) {
3908 unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT;
3909 if (av_reallocp_array(&track->frag_info,
3911 sizeof(*track->frag_info)))
3912 return AVERROR(ENOMEM);
3913 track->frag_info_capacity = new_capacity;
3915 info = &track->frag_info[track->nb_frag_info - 1];
3916 info->offset = avio_tell(pb);
3918 // Try to recreate the original pts for the first packet
3919 // from the fields we have stored
3920 info->time = track->start_dts + track->frag_start +
3921 track->cluster[0].cts;
3922 info->duration = track->end_pts -
3923 (track->cluster[0].dts + track->cluster[0].cts);
3924 // If the pts is less than zero, we will have trimmed
3925 // away parts of the media track using an edit list,
3926 // and the corresponding start presentation time is zero.
3927 if (info->time < 0) {
3928 info->duration += info->time;
3931 info->tfrf_offset = 0;
3932 mov_write_tfrf_tags(pb, mov, track);
3937 static int mov_write_tfdt_tag(AVIOContext *pb, MOVTrack *track)
3939 int64_t pos = avio_tell(pb);
3941 avio_wb32(pb, 0); /* size */
3942 ffio_wfourcc(pb, "tfdt");
3943 avio_w8(pb, 1); /* version */
3945 avio_wb64(pb, track->frag_start);
3946 return update_size(pb, pos);
3949 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
3950 MOVTrack *track, int64_t moof_offset,
3953 int64_t pos = avio_tell(pb);
3955 avio_wb32(pb, 0); /* size placeholder */
3956 ffio_wfourcc(pb, "traf");
3958 mov_write_tfhd_tag(pb, mov, track, moof_offset);
3959 if (mov->mode != MODE_ISM)
3960 mov_write_tfdt_tag(pb, track);
3961 for (i = 1; i < track->entry; i++) {
3962 if (track->cluster[i].pos != track->cluster[i - 1].pos + track->cluster[i - 1].size) {
3963 mov_write_trun_tag(pb, mov, track, moof_size, start, i);
3967 mov_write_trun_tag(pb, mov, track, moof_size, start, track->entry);
3968 if (mov->mode == MODE_ISM) {
3969 mov_write_tfxd_tag(pb, track);
3971 if (mov->ism_lookahead) {
3972 int i, size = 16 + 4 + 1 + 16 * mov->ism_lookahead;
3974 if (track->nb_frag_info > 0) {
3975 MOVFragmentInfo *info = &track->frag_info[track->nb_frag_info - 1];
3976 if (!info->tfrf_offset)
3977 info->tfrf_offset = avio_tell(pb);
3979 avio_wb32(pb, 8 + size);
3980 ffio_wfourcc(pb, "free");
3981 for (i = 0; i < size; i++)
3986 return update_size(pb, pos);
3989 static int mov_write_moof_tag_internal(AVIOContext *pb, MOVMuxContext *mov,
3990 int tracks, int moof_size)
3992 int64_t pos = avio_tell(pb);
3995 avio_wb32(pb, 0); /* size placeholder */
3996 ffio_wfourcc(pb, "moof");
3997 mov->first_trun = 1;
3999 mov_write_mfhd_tag(pb, mov);
4000 for (i = 0; i < mov->nb_streams; i++) {
4001 MOVTrack *track = &mov->tracks[i];
4002 if (tracks >= 0 && i != tracks)
4006 mov_write_traf_tag(pb, mov, track, pos, moof_size);
4009 return update_size(pb, pos);
4012 static int mov_write_sidx_tag(AVIOContext *pb,
4013 MOVTrack *track, int ref_size, int total_sidx_size)
4015 int64_t pos = avio_tell(pb), offset_pos, end_pos;
4016 int64_t presentation_time, duration, offset;
4017 int starts_with_SAP, i, entries;
4021 presentation_time = track->start_dts + track->frag_start +
4022 track->cluster[0].cts;
4023 duration = track->end_pts -
4024 (track->cluster[0].dts + track->cluster[0].cts);
4025 starts_with_SAP = track->cluster[0].flags & MOV_SYNC_SAMPLE;
4027 // pts<0 should be cut away using edts
4028 if (presentation_time < 0) {
4029 duration += presentation_time;
4030 presentation_time = 0;
4033 entries = track->nb_frag_info;
4036 presentation_time = track->frag_info[0].time;
4039 avio_wb32(pb, 0); /* size */
4040 ffio_wfourcc(pb, "sidx");
4041 avio_w8(pb, 1); /* version */
4043 avio_wb32(pb, track->track_id); /* reference_ID */
4044 avio_wb32(pb, track->timescale); /* timescale */
4045 avio_wb64(pb, presentation_time); /* earliest_presentation_time */
4046 offset_pos = avio_tell(pb);
4047 avio_wb64(pb, 0); /* first_offset (offset to referenced moof) */
4048 avio_wb16(pb, 0); /* reserved */
4050 avio_wb16(pb, entries); /* reference_count */
4051 for (i = 0; i < entries; i++) {
4052 if (!track->entry) {
4053 if (i > 1 && track->frag_info[i].offset != track->frag_info[i - 1].offset + track->frag_info[i - 1].size) {
4054 av_log(NULL, AV_LOG_ERROR, "Non-consecutive fragments, writing incorrect sidx\n");
4056 duration = track->frag_info[i].duration;
4057 ref_size = track->frag_info[i].size;
4058 starts_with_SAP = 1;
4060 avio_wb32(pb, (0 << 31) | (ref_size & 0x7fffffff)); /* reference_type (0 = media) | referenced_size */
4061 avio_wb32(pb, duration); /* subsegment_duration */
4062 avio_wb32(pb, (starts_with_SAP << 31) | (0 << 28) | 0); /* starts_with_SAP | SAP_type | SAP_delta_time */
4065 end_pos = avio_tell(pb);
4066 offset = pos + total_sidx_size - end_pos;
4067 avio_seek(pb, offset_pos, SEEK_SET);
4068 avio_wb64(pb, offset);
4069 avio_seek(pb, end_pos, SEEK_SET);
4070 return update_size(pb, pos);
4073 static int mov_write_sidx_tags(AVIOContext *pb, MOVMuxContext *mov,
4074 int tracks, int ref_size)
4077 AVIOContext *avio_buf;
4079 for (round = 0; round < 2; round++) {
4080 // First run one round to calculate the total size of all
4082 // This would be much simpler if we'd only write one sidx
4083 // atom, for the first track in the moof.
4085 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
4090 for (i = 0; i < mov->nb_streams; i++) {
4091 MOVTrack *track = &mov->tracks[i];
4092 if (tracks >= 0 && i != tracks)
4094 // When writing a sidx for the full file, entry is 0, but
4095 // we want to include all tracks. ref_size is 0 in this case,
4096 // since we read it from frag_info instead.
4097 if (!track->entry && ref_size > 0)
4099 total_size -= mov_write_sidx_tag(avio_buf, track, ref_size,
4103 total_size = ffio_close_null_buf(avio_buf);
4108 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks,
4111 AVIOContext *avio_buf;
4114 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
4116 mov_write_moof_tag_internal(avio_buf, mov, tracks, 0);
4117 moof_size = ffio_close_null_buf(avio_buf);
4119 if (mov->flags & FF_MOV_FLAG_DASH && !(mov->flags & FF_MOV_FLAG_GLOBAL_SIDX))
4120 mov_write_sidx_tags(pb, mov, tracks, moof_size + 8 + mdat_size);
4122 if ((ret = mov_add_tfra_entries(pb, mov, tracks, moof_size + 8 + mdat_size)) < 0)
4125 return mov_write_moof_tag_internal(pb, mov, tracks, moof_size);
4128 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
4130 int64_t pos = avio_tell(pb);
4133 avio_wb32(pb, 0); /* size placeholder */
4134 ffio_wfourcc(pb, "tfra");
4135 avio_w8(pb, 1); /* version */
4138 avio_wb32(pb, track->track_id);
4139 avio_wb32(pb, 0); /* length of traf/trun/sample num */
4140 avio_wb32(pb, track->nb_frag_info);
4141 for (i = 0; i < track->nb_frag_info; i++) {
4142 avio_wb64(pb, track->frag_info[i].time);
4143 avio_wb64(pb, track->frag_info[i].offset + track->data_offset);
4144 avio_w8(pb, 1); /* traf number */
4145 avio_w8(pb, 1); /* trun number */
4146 avio_w8(pb, 1); /* sample number */
4149 return update_size(pb, pos);
4152 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
4154 int64_t pos = avio_tell(pb);
4157 avio_wb32(pb, 0); /* size placeholder */
4158 ffio_wfourcc(pb, "mfra");
4159 /* An empty mfra atom is enough to indicate to the publishing point that
4160 * the stream has ended. */
4161 if (mov->flags & FF_MOV_FLAG_ISML)
4162 return update_size(pb, pos);
4164 for (i = 0; i < mov->nb_streams; i++) {
4165 MOVTrack *track = &mov->tracks[i];
4166 if (track->nb_frag_info)
4167 mov_write_tfra_tag(pb, track);
4171 ffio_wfourcc(pb, "mfro");
4172 avio_wb32(pb, 0); /* version + flags */
4173 avio_wb32(pb, avio_tell(pb) + 4 - pos);
4175 return update_size(pb, pos);
4178 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
4180 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
4181 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
4183 mov->mdat_pos = avio_tell(pb);
4184 avio_wb32(pb, 0); /* size placeholder*/
4185 ffio_wfourcc(pb, "mdat");
4189 /* TODO: This needs to be more general */
4190 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
4192 MOVMuxContext *mov = s->priv_data;
4193 int64_t pos = avio_tell(pb);
4194 int has_h264 = 0, has_video = 0;
4198 for (i = 0; i < s->nb_streams; i++) {
4199 AVStream *st = s->streams[i];
4200 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
4202 if (st->codecpar->codec_id == AV_CODEC_ID_H264)
4206 avio_wb32(pb, 0); /* size */
4207 ffio_wfourcc(pb, "ftyp");
4209 if (mov->major_brand && strlen(mov->major_brand) >= 4)
4210 ffio_wfourcc(pb, mov->major_brand);
4211 else if (mov->mode == MODE_3GP) {
4212 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
4213 minor = has_h264 ? 0x100 : 0x200;
4214 } else if (mov->mode & MODE_3G2) {
4215 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
4216 minor = has_h264 ? 0x20000 : 0x10000;
4217 } else if (mov->mode == MODE_PSP)
4218 ffio_wfourcc(pb, "MSNV");
4219 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
4220 ffio_wfourcc(pb, "iso5"); // Required when using default-base-is-moof
4221 else if (mov->mode == MODE_MP4)
4222 ffio_wfourcc(pb, "isom");
4223 else if (mov->mode == MODE_IPOD)
4224 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
4225 else if (mov->mode == MODE_ISM)
4226 ffio_wfourcc(pb, "isml");
4227 else if (mov->mode == MODE_F4V)
4228 ffio_wfourcc(pb, "f4v ");
4230 ffio_wfourcc(pb, "qt ");
4232 avio_wb32(pb, minor);
4234 if (mov->mode == MODE_MOV)
4235 ffio_wfourcc(pb, "qt ");
4236 else if (mov->mode == MODE_ISM) {
4237 ffio_wfourcc(pb, "piff");
4238 } else if (!(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)) {
4239 ffio_wfourcc(pb, "isom");
4240 ffio_wfourcc(pb, "iso2");
4242 ffio_wfourcc(pb, "avc1");
4245 // We add tfdt atoms when fragmenting, signal this with the iso6 compatible
4246 // brand. This is compatible with users that don't understand tfdt.
4247 if (mov->flags & FF_MOV_FLAG_FRAGMENT && mov->mode != MODE_ISM)
4248 ffio_wfourcc(pb, "iso6");
4250 if (mov->mode == MODE_3GP)
4251 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
4252 else if (mov->mode & MODE_3G2)
4253 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
4254 else if (mov->mode == MODE_PSP)
4255 ffio_wfourcc(pb, "MSNV");
4256 else if (mov->mode == MODE_MP4)
4257 ffio_wfourcc(pb, "mp41");
4259 if (mov->flags & FF_MOV_FLAG_DASH && mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
4260 ffio_wfourcc(pb, "dash");
4262 return update_size(pb, pos);
4265 static int mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
4267 AVStream *video_st = s->streams[0];
4268 AVCodecParameters *video_par = s->streams[0]->codecpar;
4269 AVCodecParameters *audio_par = s->streams[1]->codecpar;
4270 int audio_rate = audio_par->sample_rate;
4271 int64_t frame_rate = (video_st->avg_frame_rate.num * 0x10000LL) / video_st->avg_frame_rate.den;
4272 int audio_kbitrate = audio_par->bit_rate / 1000;
4273 int video_kbitrate = FFMIN(video_par->bit_rate / 1000, 800 - audio_kbitrate);
4275 if (frame_rate < 0 || frame_rate > INT32_MAX) {
4276 av_log(s, AV_LOG_ERROR, "Frame rate %f outside supported range\n", frame_rate / (double)0x10000);
4277 return AVERROR(EINVAL);
4280 avio_wb32(pb, 0x94); /* size */
4281 ffio_wfourcc(pb, "uuid");
4282 ffio_wfourcc(pb, "PROF");
4284 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
4285 avio_wb32(pb, 0xbb88695c);
4286 avio_wb32(pb, 0xfac9c740);
4288 avio_wb32(pb, 0x0); /* ? */
4289 avio_wb32(pb, 0x3); /* 3 sections ? */
4291 avio_wb32(pb, 0x14); /* size */
4292 ffio_wfourcc(pb, "FPRF");
4293 avio_wb32(pb, 0x0); /* ? */
4294 avio_wb32(pb, 0x0); /* ? */
4295 avio_wb32(pb, 0x0); /* ? */
4297 avio_wb32(pb, 0x2c); /* size */
4298 ffio_wfourcc(pb, "APRF"); /* audio */
4300 avio_wb32(pb, 0x2); /* TrackID */
4301 ffio_wfourcc(pb, "mp4a");
4302 avio_wb32(pb, 0x20f);
4304 avio_wb32(pb, audio_kbitrate);
4305 avio_wb32(pb, audio_kbitrate);
4306 avio_wb32(pb, audio_rate);
4307 avio_wb32(pb, audio_par->channels);
4309 avio_wb32(pb, 0x34); /* size */
4310 ffio_wfourcc(pb, "VPRF"); /* video */
4312 avio_wb32(pb, 0x1); /* TrackID */
4313 if (video_par->codec_id == AV_CODEC_ID_H264) {
4314 ffio_wfourcc(pb, "avc1");
4315 avio_wb16(pb, 0x014D);
4316 avio_wb16(pb, 0x0015);
4318 ffio_wfourcc(pb, "mp4v");
4319 avio_wb16(pb, 0x0000);
4320 avio_wb16(pb, 0x0103);
4323 avio_wb32(pb, video_kbitrate);
4324 avio_wb32(pb, video_kbitrate);
4325 avio_wb32(pb, frame_rate);
4326 avio_wb32(pb, frame_rate);
4327 avio_wb16(pb, video_par->width);
4328 avio_wb16(pb, video_par->height);
4329 avio_wb32(pb, 0x010001); /* ? */
4334 static int mov_write_identification(AVIOContext *pb, AVFormatContext *s)
4336 MOVMuxContext *mov = s->priv_data;
4339 mov_write_ftyp_tag(pb,s);
4340 if (mov->mode == MODE_PSP) {
4341 int video_streams_nb = 0, audio_streams_nb = 0, other_streams_nb = 0;
4342 for (i = 0; i < s->nb_streams; i++) {
4343 AVStream *st = s->streams[i];
4344 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
4346 else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
4352 if (video_streams_nb != 1 || audio_streams_nb != 1 || other_streams_nb) {
4353 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
4354 return AVERROR(EINVAL);
4356 return mov_write_uuidprof_tag(pb, s);
4361 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
4364 int i, closed_gop = 0;
4366 for (i = 0; i < pkt->size - 4; i++) {
4367 c = (c << 8) + pkt->data[i];
4368 if (c == 0x1b8) { // gop
4369 closed_gop = pkt->data[i + 4] >> 6 & 0x01;
4370 } else if (c == 0x100) { // pic
4371 int temp_ref = (pkt->data[i + 1] << 2) | (pkt->data[i + 2] >> 6);
4372 if (!temp_ref || closed_gop) // I picture is not reordered
4373 *flags = MOV_SYNC_SAMPLE;
4375 *flags = MOV_PARTIAL_SYNC_SAMPLE;
4382 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk)
4384 const uint8_t *start, *next, *end = pkt->data + pkt->size;
4385 int seq = 0, entry = 0;
4386 int key = pkt->flags & AV_PKT_FLAG_KEY;
4387 start = find_next_marker(pkt->data, end);
4388 for (next = start; next < end; start = next) {
4389 next = find_next_marker(start + 4, end);
4390 switch (AV_RB32(start)) {
4391 case VC1_CODE_SEQHDR:
4394 case VC1_CODE_ENTRYPOINT:
4397 case VC1_CODE_SLICE:
4398 trk->vc1_info.slices = 1;
4402 if (!trk->entry && trk->vc1_info.first_packet_seen)
4403 trk->vc1_info.first_frag_written = 1;
4404 if (!trk->entry && !trk->vc1_info.first_frag_written) {
4405 /* First packet in first fragment */
4406 trk->vc1_info.first_packet_seq = seq;
4407 trk->vc1_info.first_packet_entry = entry;
4408 trk->vc1_info.first_packet_seen = 1;
4409 } else if ((seq && !trk->vc1_info.packet_seq) ||
4410 (entry && !trk->vc1_info.packet_entry)) {
4412 for (i = 0; i < trk->entry; i++)
4413 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
4414 trk->has_keyframes = 0;
4416 trk->vc1_info.packet_seq = 1;
4418 trk->vc1_info.packet_entry = 1;
4419 if (!trk->vc1_info.first_frag_written) {
4420 /* First fragment */
4421 if ((!seq || trk->vc1_info.first_packet_seq) &&
4422 (!entry || trk->vc1_info.first_packet_entry)) {
4423 /* First packet had the same headers as this one, readd the
4424 * sync sample flag. */
4425 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
4426 trk->has_keyframes = 1;
4430 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
4432 else if (trk->vc1_info.packet_seq)
4434 else if (trk->vc1_info.packet_entry)
4437 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
4438 trk->has_keyframes++;
4442 static int mov_flush_fragment_interleaving(AVFormatContext *s, MOVTrack *track)
4444 MOVMuxContext *mov = s->priv_data;
4449 if (!track->mdat_buf)
4451 if (!mov->mdat_buf) {
4452 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
4455 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
4456 track->mdat_buf = NULL;
4458 offset = avio_tell(mov->mdat_buf);
4459 avio_write(mov->mdat_buf, buf, buf_size);
4462 for (i = track->entries_flushed; i < track->entry; i++)
4463 track->cluster[i].pos += offset;
4464 track->entries_flushed = track->entry;
4468 static int mov_flush_fragment(AVFormatContext *s, int force)
4470 MOVMuxContext *mov = s->priv_data;
4471 int i, first_track = -1;
4472 int64_t mdat_size = 0;
4474 int has_video = 0, starts_with_key = 0, first_video_track = 1;
4476 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
4479 // Try to fill in the duration of the last packet in each stream
4480 // from queued packets in the interleave queues. If the flushing
4481 // of fragments was triggered automatically by an AVPacket, we
4482 // already have reliable info for the end of that track, but other
4483 // tracks may need to be filled in.
4484 for (i = 0; i < s->nb_streams; i++) {
4485 MOVTrack *track = &mov->tracks[i];
4486 if (!track->end_reliable) {
4488 const AVPacket *next = ff_interleaved_peek(s, i, &ts_offset);
4490 track->track_duration = next->dts - track->start_dts + ts_offset;
4491 if (next->pts != AV_NOPTS_VALUE)
4492 track->end_pts = next->pts;
4494 track->end_pts = next->dts;
4495 track->end_pts += ts_offset;
4500 for (i = 0; i < mov->nb_streams; i++) {
4501 MOVTrack *track = &mov->tracks[i];
4502 if (track->entry <= 1)
4504 // Sample durations are calculated as the diff of dts values,
4505 // but for the last sample in a fragment, we don't know the dts
4506 // of the first sample in the next fragment, so we have to rely
4507 // on what was set as duration in the AVPacket. Not all callers
4508 // set this though, so we might want to replace it with an
4509 // estimate if it currently is zero.
4510 if (get_cluster_duration(track, track->entry - 1) != 0)
4512 // Use the duration (i.e. dts diff) of the second last sample for
4513 // the last one. This is a wild guess (and fatal if it turns out
4514 // to be too long), but probably the best we can do - having a zero
4515 // duration is bad as well.
4516 track->track_duration += get_cluster_duration(track, track->entry - 2);
4517 track->end_pts += get_cluster_duration(track, track->entry - 2);
4518 if (!mov->missing_duration_warned) {
4519 av_log(s, AV_LOG_WARNING,
4520 "Estimating the duration of the last packet in a "
4521 "fragment, consider setting the duration field in "
4522 "AVPacket instead.\n");
4523 mov->missing_duration_warned = 1;
4527 if (!mov->moov_written) {
4528 int64_t pos = avio_tell(s->pb);
4530 int buf_size, moov_size;
4532 for (i = 0; i < mov->nb_streams; i++)
4533 if (!mov->tracks[i].entry)
4535 /* Don't write the initial moov unless all tracks have data */
4536 if (i < mov->nb_streams && !force)
4539 moov_size = get_moov_size(s);
4540 for (i = 0; i < mov->nb_streams; i++)
4541 mov->tracks[i].data_offset = pos + moov_size + 8;
4543 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_HEADER);
4544 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
4545 mov_write_identification(s->pb, s);
4546 if ((ret = mov_write_moov_tag(s->pb, mov, s)) < 0)
4549 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV) {
4550 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
4551 mov->reserved_header_pos = avio_tell(s->pb);
4553 mov->moov_written = 1;
4557 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
4558 mov->mdat_buf = NULL;
4559 avio_wb32(s->pb, buf_size + 8);
4560 ffio_wfourcc(s->pb, "mdat");
4561 avio_write(s->pb, buf, buf_size);
4564 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
4565 mov->reserved_header_pos = avio_tell(s->pb);
4567 mov->moov_written = 1;
4569 for (i = 0; i < mov->nb_streams; i++) {
4570 if (mov->tracks[i].entry)
4571 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
4572 mov->tracks[i].track_duration -
4573 mov->tracks[i].cluster[0].dts;
4574 mov->tracks[i].entry = 0;
4575 mov->tracks[i].end_reliable = 0;
4581 if (mov->frag_interleave) {
4582 for (i = 0; i < mov->nb_streams; i++) {
4583 MOVTrack *track = &mov->tracks[i];
4585 if ((ret = mov_flush_fragment_interleaving(s, track)) < 0)
4591 mdat_size = avio_tell(mov->mdat_buf);
4594 for (i = 0; i < mov->nb_streams; i++) {
4595 MOVTrack *track = &mov->tracks[i];
4596 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF || mov->frag_interleave)
4597 track->data_offset = 0;
4599 track->data_offset = mdat_size;
4600 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
4602 if (first_video_track) {
4604 starts_with_key = track->cluster[0].flags & MOV_SYNC_SAMPLE;
4605 first_video_track = 0;
4610 if (track->mdat_buf)
4611 mdat_size += avio_tell(track->mdat_buf);
4612 if (first_track < 0)
4619 avio_write_marker(s->pb,
4620 av_rescale(mov->tracks[first_track].cluster[0].dts, AV_TIME_BASE, mov->tracks[first_track].timescale),
4621 (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);
4623 for (i = 0; i < mov->nb_streams; i++) {
4624 MOVTrack *track = &mov->tracks[i];
4625 int buf_size, write_moof = 1, moof_tracks = -1;
4627 int64_t duration = 0;
4630 duration = track->start_dts + track->track_duration -
4631 track->cluster[0].dts;
4632 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
4633 if (!track->mdat_buf)
4635 mdat_size = avio_tell(track->mdat_buf);
4638 write_moof = i == first_track;
4644 mov_write_moof_tag(s->pb, mov, moof_tracks, mdat_size);
4647 avio_wb32(s->pb, mdat_size + 8);
4648 ffio_wfourcc(s->pb, "mdat");
4652 track->frag_start += duration;
4654 track->entries_flushed = 0;
4655 track->end_reliable = 0;
4656 if (!mov->frag_interleave) {
4657 if (!track->mdat_buf)
4659 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
4660 track->mdat_buf = NULL;
4664 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
4665 mov->mdat_buf = NULL;
4668 avio_write(s->pb, buf, buf_size);
4678 static int mov_auto_flush_fragment(AVFormatContext *s, int force)
4680 MOVMuxContext *mov = s->priv_data;
4681 int had_moov = mov->moov_written;
4682 int ret = mov_flush_fragment(s, force);
4685 // If using delay_moov, the first flush only wrote the moov,
4686 // not the actual moof+mdat pair, thus flush once again.
4687 if (!had_moov && mov->flags & FF_MOV_FLAG_DELAY_MOOV)
4688 ret = mov_flush_fragment(s, force);
4692 static int check_pkt(AVFormatContext *s, AVPacket *pkt)
4694 MOVMuxContext *mov = s->priv_data;
4695 MOVTrack *trk = &mov->tracks[pkt->stream_index];
4700 ref = trk->cluster[trk->entry - 1].dts;
4701 } else if ( trk->start_dts != AV_NOPTS_VALUE
4702 && !trk->frag_discont) {
4703 ref = trk->start_dts + trk->track_duration;
4705 ref = pkt->dts; // Skip tests for the first packet
4707 duration = pkt->dts - ref;
4708 if (pkt->dts < ref || duration >= INT_MAX) {
4709 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" / timestamp: %"PRId64" is out of range for mov/mp4 format\n",
4714 pkt->pts = AV_NOPTS_VALUE;
4717 if (pkt->duration < 0 || pkt->duration > INT_MAX) {
4718 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" is invalid\n", pkt->duration);
4719 return AVERROR(EINVAL);
4724 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
4726 MOVMuxContext *mov = s->priv_data;
4727 AVIOContext *pb = s->pb;
4728 MOVTrack *trk = &mov->tracks[pkt->stream_index];
4729 AVCodecParameters *par = trk->par;
4730 unsigned int samples_in_chunk = 0;
4731 int size = pkt->size, ret = 0;
4732 uint8_t *reformatted_data = NULL;
4734 ret = check_pkt(s, pkt);
4738 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
4740 if (mov->moov_written || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
4741 if (mov->frag_interleave && mov->fragments > 0) {
4742 if (trk->entry - trk->entries_flushed >= mov->frag_interleave) {
4743 if ((ret = mov_flush_fragment_interleaving(s, trk)) < 0)
4748 if (!trk->mdat_buf) {
4749 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
4754 if (!mov->mdat_buf) {
4755 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
4762 if (par->codec_id == AV_CODEC_ID_AMR_NB) {
4763 /* We must find out how many AMR blocks there are in one packet */
4764 static const uint16_t packed_size[16] =
4765 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
4768 while (len < size && samples_in_chunk < 100) {
4769 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
4772 if (samples_in_chunk > 1) {
4773 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
4776 } else if (par->codec_id == AV_CODEC_ID_ADPCM_MS ||
4777 par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
4778 samples_in_chunk = trk->par->frame_size;
4779 } else if (trk->sample_size)
4780 samples_in_chunk = size / trk->sample_size;
4782 samples_in_chunk = 1;
4784 /* copy extradata if it exists */
4785 if (trk->vos_len == 0 && par->extradata_size > 0 &&
4786 !TAG_IS_AVCI(trk->tag) &&
4787 (par->codec_id != AV_CODEC_ID_DNXHD)) {
4788 trk->vos_len = par->extradata_size;
4789 trk->vos_data = av_malloc(trk->vos_len);
4790 if (!trk->vos_data) {
4791 ret = AVERROR(ENOMEM);
4794 memcpy(trk->vos_data, par->extradata, trk->vos_len);
4797 if (par->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 &&
4798 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
4799 if (!s->streams[pkt->stream_index]->nb_frames) {
4800 av_log(s, AV_LOG_ERROR, "Malformed AAC bitstream detected: "
4801 "use the audio bitstream filter 'aac_adtstoasc' to fix it "
4802 "('-bsf:a aac_adtstoasc' option with ffmpeg)\n");
4805 av_log(s, AV_LOG_WARNING, "aac bitstream error\n");
4807 if (par->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1 && !TAG_IS_AVCI(trk->tag)) {
4808 /* from x264 or from bytestream H.264 */
4809 /* NAL reformatting needed */
4810 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
4811 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
4813 avio_write(pb, reformatted_data, size);
4815 if (mov->encryption_scheme == MOV_ENC_CENC_AES_CTR) {
4816 size = ff_mov_cenc_avc_parse_nal_units(&trk->cenc, pb, pkt->data, size);
4822 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
4825 } else if (par->codec_id == AV_CODEC_ID_HEVC && trk->vos_len > 6 &&
4826 (AV_RB24(trk->vos_data) == 1 || AV_RB32(trk->vos_data) == 1)) {
4827 /* extradata is Annex B, assume the bitstream is too and convert it */
4828 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
4829 ff_hevc_annexb2mp4_buf(pkt->data, &reformatted_data, &size, 0, NULL);
4830 avio_write(pb, reformatted_data, size);
4832 size = ff_hevc_annexb2mp4(pb, pkt->data, pkt->size, 0, NULL);
4834 #if CONFIG_AC3_PARSER
4835 } else if (par->codec_id == AV_CODEC_ID_EAC3) {
4836 size = handle_eac3(mov, pkt, trk);
4841 avio_write(pb, pkt->data, size);
4844 if (mov->encryption_scheme == MOV_ENC_CENC_AES_CTR) {
4845 if (par->codec_id == AV_CODEC_ID_H264 && par->extradata_size > 4) {
4846 int nal_size_length = (par->extradata[4] & 0x3) + 1;
4847 ret = ff_mov_cenc_avc_write_nal_units(s, &trk->cenc, nal_size_length, pb, pkt->data, size);
4849 ret = ff_mov_cenc_write_packet(&trk->cenc, pb, pkt->data, size);
4856 avio_write(pb, pkt->data, size);
4860 if ((par->codec_id == AV_CODEC_ID_DNXHD ||
4861 par->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len) {
4862 /* copy frame to create needed atoms */
4863 trk->vos_len = size;
4864 trk->vos_data = av_malloc(size);
4865 if (!trk->vos_data) {
4866 ret = AVERROR(ENOMEM);
4869 memcpy(trk->vos_data, pkt->data, size);
4872 if (trk->entry >= trk->cluster_capacity) {
4873 unsigned new_capacity = 2 * (trk->entry + MOV_INDEX_CLUSTER_SIZE);
4874 if (av_reallocp_array(&trk->cluster, new_capacity,
4875 sizeof(*trk->cluster))) {
4876 ret = AVERROR(ENOMEM);
4879 trk->cluster_capacity = new_capacity;
4882 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
4883 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
4884 trk->cluster[trk->entry].chunkNum = 0;
4885 trk->cluster[trk->entry].size = size;
4886 trk->cluster[trk->entry].entries = samples_in_chunk;
4887 trk->cluster[trk->entry].dts = pkt->dts;
4888 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
4889 if (!trk->frag_discont) {
4890 /* First packet of a new fragment. We already wrote the duration
4891 * of the last packet of the previous fragment based on track_duration,
4892 * which might not exactly match our dts. Therefore adjust the dts
4893 * of this packet to be what the previous packets duration implies. */
4894 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
4895 /* We also may have written the pts and the corresponding duration
4896 * in sidx/tfrf/tfxd tags; make sure the sidx pts and duration match up with
4897 * the next fragment. This means the cts of the first sample must
4898 * be the same in all fragments, unless end_pts was updated by
4899 * the packet causing the fragment to be written. */
4900 if ((mov->flags & FF_MOV_FLAG_DASH && !(mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)) ||
4901 mov->mode == MODE_ISM)
4902 pkt->pts = pkt->dts + trk->end_pts - trk->cluster[trk->entry].dts;
4904 /* New fragment, but discontinuous from previous fragments.
4905 * Pretend the duration sum of the earlier fragments is
4906 * pkt->dts - trk->start_dts. */
4907 trk->frag_start = pkt->dts - trk->start_dts;
4908 trk->end_pts = AV_NOPTS_VALUE;
4909 trk->frag_discont = 0;
4913 if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !mov->use_editlist &&
4914 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO) {
4915 /* Not using edit lists and shifting the first track to start from zero.
4916 * If the other streams start from a later timestamp, we won't be able
4917 * to signal the difference in starting time without an edit list.
4918 * Thus move the timestamp for this first sample to 0, increasing
4919 * its duration instead. */
4920 trk->cluster[trk->entry].dts = trk->start_dts = 0;
4922 if (trk->start_dts == AV_NOPTS_VALUE) {
4923 trk->start_dts = pkt->dts;
4924 if (trk->frag_discont) {
4925 if (mov->use_editlist) {
4926 /* Pretend the whole stream started at pts=0, with earlier fragments
4927 * already written. If the stream started at pts=0, the duration sum
4928 * of earlier fragments would have been pkt->pts. */
4929 trk->frag_start = pkt->pts;
4930 trk->start_dts = pkt->dts - pkt->pts;
4932 /* Pretend the whole stream started at dts=0, with earlier fragments
4933 * already written, with a duration summing up to pkt->dts. */
4934 trk->frag_start = pkt->dts;
4937 trk->frag_discont = 0;
4938 } else if (pkt->dts && mov->moov_written)
4939 av_log(s, AV_LOG_WARNING,
4940 "Track %d starts with a nonzero dts %"PRId64", while the moov "
4941 "already has been written. Set the delay_moov flag to handle "
4943 pkt->stream_index, pkt->dts);
4945 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
4946 trk->last_sample_is_subtitle_end = 0;
4948 if (pkt->pts == AV_NOPTS_VALUE) {
4949 av_log(s, AV_LOG_WARNING, "pts has no value\n");
4950 pkt->pts = pkt->dts;
4952 if (pkt->dts != pkt->pts)
4953 trk->flags |= MOV_TRACK_CTTS;
4954 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
4955 trk->cluster[trk->entry].flags = 0;
4956 if (trk->start_cts == AV_NOPTS_VALUE)
4957 trk->start_cts = pkt->pts - pkt->dts;
4958 if (trk->end_pts == AV_NOPTS_VALUE)
4959 trk->end_pts = trk->cluster[trk->entry].dts +
4960 trk->cluster[trk->entry].cts + pkt->duration;
4962 trk->end_pts = FFMAX(trk->end_pts, trk->cluster[trk->entry].dts +
4963 trk->cluster[trk->entry].cts +
4966 if (par->codec_id == AV_CODEC_ID_VC1) {
4967 mov_parse_vc1_frame(pkt, trk);
4968 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
4969 if (mov->mode == MODE_MOV && par->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
4970 trk->entry > 0) { // force sync sample for the first key frame
4971 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
4972 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
4973 trk->flags |= MOV_TRACK_STPS;
4975 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
4977 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
4978 trk->has_keyframes++;
4981 trk->sample_count += samples_in_chunk;
4982 mov->mdat_size += size;
4984 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
4985 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
4986 reformatted_data, size);
4991 av_free(reformatted_data);
4995 static int mov_write_single_packet(AVFormatContext *s, AVPacket *pkt)
4997 MOVMuxContext *mov = s->priv_data;
4998 MOVTrack *trk = &mov->tracks[pkt->stream_index];
4999 AVCodecParameters *par = trk->par;
5000 int64_t frag_duration = 0;
5001 int size = pkt->size;
5003 int ret = check_pkt(s, pkt);
5007 if (mov->flags & FF_MOV_FLAG_FRAG_DISCONT) {
5009 for (i = 0; i < s->nb_streams; i++)
5010 mov->tracks[i].frag_discont = 1;
5011 mov->flags &= ~FF_MOV_FLAG_FRAG_DISCONT;
5015 if (trk->start_dts == AV_NOPTS_VALUE && trk->frag_discont) {
5016 trk->start_dts = pkt->dts;
5017 if (pkt->pts != AV_NOPTS_VALUE)
5018 trk->start_cts = pkt->pts - pkt->dts;
5023 if (trk->par->codec_id == AV_CODEC_ID_MP4ALS) {
5025 uint8_t *side = av_packet_get_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA, &side_size);
5026 if (side && side_size > 0 && (side_size != par->extradata_size || memcmp(side, par->extradata, side_size))) {
5027 void *newextra = av_mallocz(side_size + AV_INPUT_BUFFER_PADDING_SIZE);
5029 return AVERROR(ENOMEM);
5030 av_free(par->extradata);
5031 par->extradata = newextra;
5032 memcpy(par->extradata, side, side_size);
5033 par->extradata_size = side_size;
5034 mov->need_rewrite_extradata = 1;
5038 return 0; /* Discard 0 sized packets */
5041 if (trk->entry && pkt->stream_index < s->nb_streams)
5042 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
5043 s->streams[pkt->stream_index]->time_base,
5045 if ((mov->max_fragment_duration &&
5046 frag_duration >= mov->max_fragment_duration) ||
5047 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
5048 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
5049 par->codec_type == AVMEDIA_TYPE_VIDEO &&
5050 trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) {
5051 if (frag_duration >= mov->min_fragment_duration) {
5052 // Set the duration of this track to line up with the next
5053 // sample in this track. This avoids relying on AVPacket
5054 // duration, but only helps for this particular track, not
5055 // for the other ones that are flushed at the same time.
5056 trk->track_duration = pkt->dts - trk->start_dts;
5057 if (pkt->pts != AV_NOPTS_VALUE)
5058 trk->end_pts = pkt->pts;
5060 trk->end_pts = pkt->dts;
5061 trk->end_reliable = 1;
5062 mov_auto_flush_fragment(s, 0);
5066 return ff_mov_write_packet(s, pkt);
5069 static int mov_write_subtitle_end_packet(AVFormatContext *s,
5073 uint8_t data[2] = {0};
5076 av_init_packet(&end);
5077 end.size = sizeof(data);
5082 end.stream_index = stream_index;
5084 ret = mov_write_single_packet(s, &end);
5085 av_packet_unref(&end);
5090 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
5093 mov_flush_fragment(s, 1);
5097 MOVMuxContext *mov = s->priv_data;
5098 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5101 return mov_write_single_packet(s, pkt); /* Passthrough. */
5104 * Subtitles require special handling.
5106 * 1) For full complaince, every track must have a sample at
5107 * dts == 0, which is rarely true for subtitles. So, as soon
5108 * as we see any packet with dts > 0, write an empty subtitle
5109 * at dts == 0 for any subtitle track with no samples in it.
5111 * 2) For each subtitle track, check if the current packet's
5112 * dts is past the duration of the last subtitle sample. If
5113 * so, we now need to write an end sample for that subtitle.
5115 * This must be done conditionally to allow for subtitles that
5116 * immediately replace each other, in which case an end sample
5117 * is not needed, and is, in fact, actively harmful.
5119 * 3) See mov_write_trailer for how the final end sample is
5122 for (i = 0; i < mov->nb_streams; i++) {
5123 MOVTrack *trk = &mov->tracks[i];
5126 if (trk->par->codec_id == AV_CODEC_ID_MOV_TEXT &&
5127 trk->track_duration < pkt->dts &&
5128 (trk->entry == 0 || !trk->last_sample_is_subtitle_end)) {
5129 ret = mov_write_subtitle_end_packet(s, i, trk->track_duration);
5130 if (ret < 0) return ret;
5131 trk->last_sample_is_subtitle_end = 1;
5135 if (trk->mode == MODE_MOV && trk->par->codec_type == AVMEDIA_TYPE_VIDEO) {
5136 AVPacket *opkt = pkt;
5137 int reshuffle_ret, ret;
5138 if (trk->is_unaligned_qt_rgb) {
5139 int64_t bpc = trk->par->bits_per_coded_sample != 15 ? trk->par->bits_per_coded_sample : 16;
5140 int expected_stride = ((trk->par->width * bpc + 15) >> 4)*2;
5141 reshuffle_ret = ff_reshuffle_raw_rgb(s, &pkt, trk->par, expected_stride);
5142 if (reshuffle_ret < 0)
5143 return reshuffle_ret;
5146 if (trk->par->format == AV_PIX_FMT_PAL8 && !trk->pal_done) {
5147 ret = ff_get_packet_palette(s, opkt, reshuffle_ret, trk->palette);
5152 } else if (trk->par->codec_id == AV_CODEC_ID_RAWVIDEO &&
5153 (trk->par->format == AV_PIX_FMT_GRAY8 ||
5154 trk->par->format == AV_PIX_FMT_MONOBLACK)) {
5155 for (i = 0; i < pkt->size; i++)
5156 pkt->data[i] = ~pkt->data[i];
5158 if (reshuffle_ret) {
5159 ret = mov_write_single_packet(s, pkt);
5162 av_packet_free(&pkt);
5167 return mov_write_single_packet(s, pkt);
5171 // QuickTime chapters involve an additional text track with the chapter names
5172 // as samples, and a tref pointing from the other tracks to the chapter one.
5173 static int mov_create_chapter_track(AVFormatContext *s, int tracknum)
5177 MOVMuxContext *mov = s->priv_data;
5178 MOVTrack *track = &mov->tracks[tracknum];
5179 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
5182 track->mode = mov->mode;
5183 track->tag = MKTAG('t','e','x','t');
5184 track->timescale = MOV_TIMESCALE;
5185 track->par = avcodec_parameters_alloc();
5187 return AVERROR(ENOMEM);
5188 track->par->codec_type = AVMEDIA_TYPE_SUBTITLE;
5190 // These properties are required to make QT recognize the chapter track
5191 uint8_t chapter_properties[43] = { 0, 0, 0, 0, 0, 0, 0, 1, };
5192 if (ff_alloc_extradata(track->par, sizeof(chapter_properties)))
5193 return AVERROR(ENOMEM);
5194 memcpy(track->par->extradata, chapter_properties, sizeof(chapter_properties));
5196 if (avio_open_dyn_buf(&pb) >= 0) {
5200 /* Stub header (usually for Quicktime chapter track) */
5202 avio_wb32(pb, 0x01); // displayFlags
5203 avio_w8(pb, 0x00); // horizontal justification
5204 avio_w8(pb, 0x00); // vertical justification
5205 avio_w8(pb, 0x00); // bgColourRed
5206 avio_w8(pb, 0x00); // bgColourGreen
5207 avio_w8(pb, 0x00); // bgColourBlue
5208 avio_w8(pb, 0x00); // bgColourAlpha
5210 avio_wb16(pb, 0x00); // defTextBoxTop
5211 avio_wb16(pb, 0x00); // defTextBoxLeft
5212 avio_wb16(pb, 0x00); // defTextBoxBottom
5213 avio_wb16(pb, 0x00); // defTextBoxRight
5215 avio_wb16(pb, 0x00); // startChar
5216 avio_wb16(pb, 0x00); // endChar
5217 avio_wb16(pb, 0x01); // fontID
5218 avio_w8(pb, 0x00); // fontStyleFlags
5219 avio_w8(pb, 0x00); // fontSize
5220 avio_w8(pb, 0x00); // fgColourRed
5221 avio_w8(pb, 0x00); // fgColourGreen
5222 avio_w8(pb, 0x00); // fgColourBlue
5223 avio_w8(pb, 0x00); // fgColourAlpha
5225 avio_wb32(pb, 0x0D); // box size
5226 ffio_wfourcc(pb, "ftab"); // box atom name
5227 avio_wb16(pb, 0x01); // entry count
5229 avio_wb16(pb, 0x01); // font ID
5230 avio_w8(pb, 0x00); // font name length
5232 if ((size = avio_close_dyn_buf(pb, &buf)) > 0) {
5233 track->par->extradata = buf;
5234 track->par->extradata_size = size;
5241 for (i = 0; i < s->nb_chapters; i++) {
5242 AVChapter *c = s->chapters[i];
5243 AVDictionaryEntry *t;
5245 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
5246 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
5247 pkt.duration = end - pkt.dts;
5249 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
5250 static const char encd[12] = {
5251 0x00, 0x00, 0x00, 0x0C,
5253 0x00, 0x00, 0x01, 0x00 };
5254 len = strlen(t->value);
5255 pkt.size = len + 2 + 12;
5256 pkt.data = av_malloc(pkt.size);
5258 return AVERROR(ENOMEM);
5259 AV_WB16(pkt.data, len);
5260 memcpy(pkt.data + 2, t->value, len);
5261 memcpy(pkt.data + len + 2, encd, sizeof(encd));
5262 ff_mov_write_packet(s, &pkt);
5263 av_freep(&pkt.data);
5271 static int mov_check_timecode_track(AVFormatContext *s, AVTimecode *tc, int src_index, const char *tcstr)
5275 /* compute the frame number */
5276 ret = av_timecode_init_from_string(tc, find_fps(s, s->streams[src_index]), tcstr, s);
5280 static int mov_create_timecode_track(AVFormatContext *s, int index, int src_index, AVTimecode tc)
5283 MOVMuxContext *mov = s->priv_data;
5284 MOVTrack *track = &mov->tracks[index];
5285 AVStream *src_st = s->streams[src_index];
5286 AVPacket pkt = {.stream_index = index, .flags = AV_PKT_FLAG_KEY, .size = 4};
5287 AVRational rate = find_fps(s, src_st);
5289 /* tmcd track based on video stream */
5290 track->mode = mov->mode;
5291 track->tag = MKTAG('t','m','c','d');
5292 track->src_track = src_index;
5293 track->timescale = mov->tracks[src_index].timescale;
5294 if (tc.flags & AV_TIMECODE_FLAG_DROPFRAME)
5295 track->timecode_flags |= MOV_TIMECODE_FLAG_DROPFRAME;
5297 /* set st to src_st for metadata access*/
5300 /* encode context: tmcd data stream */
5301 track->par = avcodec_parameters_alloc();
5303 return AVERROR(ENOMEM);
5304 track->par->codec_type = AVMEDIA_TYPE_DATA;
5305 track->par->codec_tag = track->tag;
5306 track->st->avg_frame_rate = av_inv_q(rate);
5308 /* the tmcd track just contains one packet with the frame number */
5309 pkt.data = av_malloc(pkt.size);
5311 return AVERROR(ENOMEM);
5312 AV_WB32(pkt.data, tc.start);
5313 ret = ff_mov_write_packet(s, &pkt);
5319 * st->disposition controls the "enabled" flag in the tkhd tag.
5320 * QuickTime will not play a track if it is not enabled. So make sure
5321 * that one track of each type (audio, video, subtitle) is enabled.
5323 * Subtitles are special. For audio and video, setting "enabled" also
5324 * makes the track "default" (i.e. it is rendered when played). For
5325 * subtitles, an "enabled" subtitle is not rendered by default, but
5326 * if no subtitle is enabled, the subtitle menu in QuickTime will be
5329 static void enable_tracks(AVFormatContext *s)
5331 MOVMuxContext *mov = s->priv_data;
5333 int enabled[AVMEDIA_TYPE_NB];
5334 int first[AVMEDIA_TYPE_NB];
5336 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
5341 for (i = 0; i < s->nb_streams; i++) {
5342 AVStream *st = s->streams[i];
5344 if (st->codecpar->codec_type <= AVMEDIA_TYPE_UNKNOWN ||
5345 st->codecpar->codec_type >= AVMEDIA_TYPE_NB)
5348 if (first[st->codecpar->codec_type] < 0)
5349 first[st->codecpar->codec_type] = i;
5350 if (st->disposition & AV_DISPOSITION_DEFAULT) {
5351 mov->tracks[i].flags |= MOV_TRACK_ENABLED;
5352 enabled[st->codecpar->codec_type]++;
5356 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
5358 case AVMEDIA_TYPE_VIDEO:
5359 case AVMEDIA_TYPE_AUDIO:
5360 case AVMEDIA_TYPE_SUBTITLE:
5362 mov->per_stream_grouping = 1;
5363 if (!enabled[i] && first[i] >= 0)
5364 mov->tracks[first[i]].flags |= MOV_TRACK_ENABLED;
5370 static void mov_free(AVFormatContext *s)
5372 MOVMuxContext *mov = s->priv_data;
5375 if (mov->chapter_track) {
5376 if (mov->tracks[mov->chapter_track].par)
5377 av_freep(&mov->tracks[mov->chapter_track].par->extradata);
5378 av_freep(&mov->tracks[mov->chapter_track].par);
5381 for (i = 0; i < mov->nb_streams; i++) {
5382 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
5383 ff_mov_close_hinting(&mov->tracks[i]);
5384 else if (mov->tracks[i].tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd)
5385 av_freep(&mov->tracks[i].par);
5386 av_freep(&mov->tracks[i].cluster);
5387 av_freep(&mov->tracks[i].frag_info);
5389 if (mov->tracks[i].vos_len)
5390 av_freep(&mov->tracks[i].vos_data);
5392 ff_mov_cenc_free(&mov->tracks[i].cenc);
5395 av_freep(&mov->tracks);
5398 static uint32_t rgb_to_yuv(uint32_t rgb)
5403 r = (rgb >> 16) & 0xFF;
5404 g = (rgb >> 8) & 0xFF;
5407 y = av_clip_uint8(( 16000 + 257 * r + 504 * g + 98 * b)/1000);
5408 cb = av_clip_uint8((128000 - 148 * r - 291 * g + 439 * b)/1000);
5409 cr = av_clip_uint8((128000 + 439 * r - 368 * g - 71 * b)/1000);
5411 return (y << 16) | (cr << 8) | cb;
5414 static int mov_create_dvd_sub_decoder_specific_info(MOVTrack *track,
5417 int i, width = 720, height = 480;
5418 int have_palette = 0, have_size = 0;
5419 uint32_t palette[16];
5420 char *cur = st->codecpar->extradata;
5422 while (cur && *cur) {
5423 if (strncmp("palette:", cur, 8) == 0) {
5425 count = sscanf(cur + 8,
5426 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
5427 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
5428 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
5429 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32"",
5430 &palette[ 0], &palette[ 1], &palette[ 2], &palette[ 3],
5431 &palette[ 4], &palette[ 5], &palette[ 6], &palette[ 7],
5432 &palette[ 8], &palette[ 9], &palette[10], &palette[11],
5433 &palette[12], &palette[13], &palette[14], &palette[15]);
5435 for (i = 0; i < count; i++) {
5436 palette[i] = rgb_to_yuv(palette[i]);
5439 } else if (!strncmp("size:", cur, 5)) {
5440 sscanf(cur + 5, "%dx%d", &width, &height);
5443 if (have_palette && have_size)
5445 cur += strcspn(cur, "\n\r");
5446 cur += strspn(cur, "\n\r");
5449 track->vos_data = av_malloc(16*4);
5450 if (!track->vos_data)
5451 return AVERROR(ENOMEM);
5452 for (i = 0; i < 16; i++) {
5453 AV_WB32(track->vos_data + i * 4, palette[i]);
5455 track->vos_len = 16 * 4;
5457 st->codecpar->width = width;
5458 st->codecpar->height = track->height = height;
5463 static int mov_init(AVFormatContext *s)
5465 MOVMuxContext *mov = s->priv_data;
5466 AVDictionaryEntry *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
5467 int i, ret, hint_track = 0, tmcd_track = 0;
5471 /* Default mode == MP4 */
5472 mov->mode = MODE_MP4;
5475 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
5476 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
5477 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
5478 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
5479 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
5480 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
5481 else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V;
5484 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
5485 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV;
5487 /* Set the FRAGMENT flag if any of the fragmentation methods are
5489 if (mov->max_fragment_duration || mov->max_fragment_size ||
5490 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
5491 FF_MOV_FLAG_FRAG_KEYFRAME |
5492 FF_MOV_FLAG_FRAG_CUSTOM))
5493 mov->flags |= FF_MOV_FLAG_FRAGMENT;
5495 /* Set other implicit flags immediately */
5496 if (mov->mode == MODE_ISM)
5497 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
5498 FF_MOV_FLAG_FRAGMENT;
5499 if (mov->flags & FF_MOV_FLAG_DASH)
5500 mov->flags |= FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_EMPTY_MOOV |
5501 FF_MOV_FLAG_DEFAULT_BASE_MOOF;
5503 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV && s->flags & AVFMT_FLAG_AUTO_BSF) {
5504 av_log(s, AV_LOG_VERBOSE, "Empty MOOV enabled; disabling automatic bitstream filtering\n");
5505 s->flags &= ~AVFMT_FLAG_AUTO_BSF;
5508 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
5509 mov->reserved_moov_size = -1;
5512 if (mov->use_editlist < 0) {
5513 mov->use_editlist = 1;
5514 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
5515 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
5516 // If we can avoid needing an edit list by shifting the
5517 // tracks, prefer that over (trying to) write edit lists
5518 // in fragmented output.
5519 if (s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO ||
5520 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO)
5521 mov->use_editlist = 0;
5524 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
5525 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV) && mov->use_editlist)
5526 av_log(s, AV_LOG_WARNING, "No meaningful edit list will be written when using empty_moov without delay_moov\n");
5528 if (!mov->use_editlist && s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO)
5529 s->avoid_negative_ts = AVFMT_AVOID_NEG_TS_MAKE_ZERO;
5531 /* Clear the omit_tfhd_offset flag if default_base_moof is set;
5532 * if the latter is set that's enough and omit_tfhd_offset doesn't
5533 * add anything extra on top of that. */
5534 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
5535 mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
5536 mov->flags &= ~FF_MOV_FLAG_OMIT_TFHD_OFFSET;
5538 if (mov->frag_interleave &&
5539 mov->flags & (FF_MOV_FLAG_OMIT_TFHD_OFFSET | FF_MOV_FLAG_SEPARATE_MOOF)) {
5540 av_log(s, AV_LOG_ERROR,
5541 "Sample interleaving in fragments is mutually exclusive with "
5542 "omit_tfhd_offset and separate_moof\n");
5543 return AVERROR(EINVAL);
5546 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
5547 * is enabled, we don't support non-seekable output at all. */
5548 if (!s->pb->seekable &&
5549 (!(mov->flags & FF_MOV_FLAG_FRAGMENT) || mov->ism_lookahead)) {
5550 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
5551 return AVERROR(EINVAL);
5554 mov->nb_streams = s->nb_streams;
5555 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
5556 mov->chapter_track = mov->nb_streams++;
5558 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
5559 /* Add hint tracks for each audio and video stream */
5560 hint_track = mov->nb_streams;
5561 for (i = 0; i < s->nb_streams; i++) {
5562 AVStream *st = s->streams[i];
5563 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ||
5564 st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
5570 if ( mov->write_tmcd == -1 && (mov->mode == MODE_MOV || mov->mode == MODE_MP4)
5571 || mov->write_tmcd == 1) {
5572 tmcd_track = mov->nb_streams;
5574 /* +1 tmcd track for each video stream with a timecode */
5575 for (i = 0; i < s->nb_streams; i++) {
5576 AVStream *st = s->streams[i];
5577 AVDictionaryEntry *t = global_tcr;
5578 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO &&
5579 (t || (t=av_dict_get(st->metadata, "timecode", NULL, 0)))) {
5581 ret = mov_check_timecode_track(s, &tc, i, t->value);
5583 mov->nb_meta_tmcd++;
5587 /* check if there is already a tmcd track to remux */
5588 if (mov->nb_meta_tmcd) {
5589 for (i = 0; i < s->nb_streams; i++) {
5590 AVStream *st = s->streams[i];
5591 if (st->codecpar->codec_tag == MKTAG('t','m','c','d')) {
5592 av_log(s, AV_LOG_WARNING, "You requested a copy of the original timecode track "
5593 "so timecode metadata are now ignored\n");
5594 mov->nb_meta_tmcd = 0;
5599 mov->nb_streams += mov->nb_meta_tmcd;
5602 // Reserve an extra stream for chapters for the case where chapters
5603 // are written in the trailer
5604 mov->tracks = av_mallocz_array((mov->nb_streams + 1), sizeof(*mov->tracks));
5606 return AVERROR(ENOMEM);
5608 if (mov->encryption_scheme_str != NULL && strcmp(mov->encryption_scheme_str, "none") != 0) {
5609 if (strcmp(mov->encryption_scheme_str, "cenc-aes-ctr") == 0) {
5610 mov->encryption_scheme = MOV_ENC_CENC_AES_CTR;
5612 if (mov->encryption_key_len != AES_CTR_KEY_SIZE) {
5613 av_log(s, AV_LOG_ERROR, "Invalid encryption key len %d expected %d\n",
5614 mov->encryption_key_len, AES_CTR_KEY_SIZE);
5615 return AVERROR(EINVAL);
5618 if (mov->encryption_kid_len != CENC_KID_SIZE) {
5619 av_log(s, AV_LOG_ERROR, "Invalid encryption kid len %d expected %d\n",
5620 mov->encryption_kid_len, CENC_KID_SIZE);
5621 return AVERROR(EINVAL);
5624 av_log(s, AV_LOG_ERROR, "unsupported encryption scheme %s\n",
5625 mov->encryption_scheme_str);
5626 return AVERROR(EINVAL);
5630 for (i = 0; i < s->nb_streams; i++) {
5631 AVStream *st= s->streams[i];
5632 MOVTrack *track= &mov->tracks[i];
5633 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
5636 track->par = st->codecpar;
5637 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
5638 if (track->language < 0)
5639 track->language = 0;
5640 track->mode = mov->mode;
5641 track->tag = mov_find_codec_tag(s, track);
5643 av_log(s, AV_LOG_ERROR, "Could not find tag for codec %s in stream #%d, "
5644 "codec not currently supported in container\n",
5645 avcodec_get_name(st->codecpar->codec_id), i);
5646 return AVERROR(EINVAL);
5648 /* If hinting of this track is enabled by a later hint track,
5649 * this is updated. */
5650 track->hint_track = -1;
5651 track->start_dts = AV_NOPTS_VALUE;
5652 track->start_cts = AV_NOPTS_VALUE;
5653 track->end_pts = AV_NOPTS_VALUE;
5654 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
5655 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
5656 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
5657 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
5658 if (st->codecpar->width != 720 || (st->codecpar->height != 608 && st->codecpar->height != 512)) {
5659 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
5660 return AVERROR(EINVAL);
5662 track->height = track->tag >> 24 == 'n' ? 486 : 576;
5664 if (mov->video_track_timescale) {
5665 track->timescale = mov->video_track_timescale;
5667 track->timescale = st->time_base.den;
5668 while(track->timescale < 10000)
5669 track->timescale *= 2;
5671 if (st->codecpar->width > 65535 || st->codecpar->height > 65535) {
5672 av_log(s, AV_LOG_ERROR, "Resolution %dx%d too large for mov/mp4\n", st->codecpar->width, st->codecpar->height);
5673 return AVERROR(EINVAL);
5675 if (track->mode == MODE_MOV && track->timescale > 100000)
5676 av_log(s, AV_LOG_WARNING,
5677 "WARNING codec timebase is very high. If duration is too long,\n"
5678 "file may not be playable by quicktime. Specify a shorter timebase\n"
5679 "or choose different container.\n");
5680 if (track->mode == MODE_MOV &&
5681 track->par->codec_id == AV_CODEC_ID_RAWVIDEO &&
5682 track->tag == MKTAG('r','a','w',' ')) {
5683 enum AVPixelFormat pix_fmt = track->par->format;
5684 if (pix_fmt == AV_PIX_FMT_NONE && track->par->bits_per_coded_sample == 1)
5685 pix_fmt = AV_PIX_FMT_MONOWHITE;
5686 track->is_unaligned_qt_rgb =
5687 pix_fmt == AV_PIX_FMT_RGB24 ||
5688 pix_fmt == AV_PIX_FMT_BGR24 ||
5689 pix_fmt == AV_PIX_FMT_PAL8 ||
5690 pix_fmt == AV_PIX_FMT_GRAY8 ||
5691 pix_fmt == AV_PIX_FMT_MONOWHITE ||
5692 pix_fmt == AV_PIX_FMT_MONOBLACK;
5694 if (track->mode == MODE_MP4 &&
5695 track->par->codec_id == AV_CODEC_ID_VP9) {
5696 if (s->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
5697 av_log(s, AV_LOG_ERROR,
5698 "VP9 in MP4 support is experimental, add "
5699 "'-strict %d' if you want to use it.\n",
5700 FF_COMPLIANCE_EXPERIMENTAL);
5701 return AVERROR_EXPERIMENTAL;
5704 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
5705 track->timescale = st->codecpar->sample_rate;
5706 if (!st->codecpar->frame_size && !av_get_bits_per_sample(st->codecpar->codec_id)) {
5707 av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i);
5708 track->audio_vbr = 1;
5709 }else if (st->codecpar->codec_id == AV_CODEC_ID_ADPCM_MS ||
5710 st->codecpar->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
5711 st->codecpar->codec_id == AV_CODEC_ID_ILBC){
5712 if (!st->codecpar->block_align) {
5713 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
5714 return AVERROR(EINVAL);
5716 track->sample_size = st->codecpar->block_align;
5717 }else if (st->codecpar->frame_size > 1){ /* assume compressed audio */
5718 track->audio_vbr = 1;
5720 track->sample_size = (av_get_bits_per_sample(st->codecpar->codec_id) >> 3) * st->codecpar->channels;
5722 if (st->codecpar->codec_id == AV_CODEC_ID_ILBC ||
5723 st->codecpar->codec_id == AV_CODEC_ID_ADPCM_IMA_QT) {
5724 track->audio_vbr = 1;
5726 if (track->mode != MODE_MOV &&
5727 track->par->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
5728 if (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL) {
5729 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not standard, to mux anyway set strict to -1\n",
5730 i, track->par->sample_rate);
5731 return AVERROR(EINVAL);
5733 av_log(s, AV_LOG_WARNING, "track %d: muxing mp3 at %dhz is not standard in MP4\n",
5734 i, track->par->sample_rate);
5737 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) {
5738 track->timescale = st->time_base.den;
5739 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_DATA) {
5740 track->timescale = st->time_base.den;
5742 track->timescale = MOV_TIMESCALE;
5745 track->height = st->codecpar->height;
5746 /* The ism specific timescale isn't mandatory, but is assumed by
5747 * some tools, such as mp4split. */
5748 if (mov->mode == MODE_ISM)
5749 track->timescale = 10000000;
5751 avpriv_set_pts_info(st, 64, 1, track->timescale);
5753 if (mov->encryption_scheme == MOV_ENC_CENC_AES_CTR) {
5754 ret = ff_mov_cenc_init(&track->cenc, mov->encryption_key,
5755 track->par->codec_id == AV_CODEC_ID_H264, s->flags & AVFMT_FLAG_BITEXACT);
5765 static int mov_write_header(AVFormatContext *s)
5767 AVIOContext *pb = s->pb;
5768 MOVMuxContext *mov = s->priv_data;
5769 AVDictionaryEntry *t, *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
5770 int i, ret, hint_track = 0, tmcd_track = 0, nb_tracks = s->nb_streams;
5772 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
5775 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
5776 /* Add hint tracks for each audio and video stream */
5777 hint_track = nb_tracks;
5778 for (i = 0; i < s->nb_streams; i++) {
5779 AVStream *st = s->streams[i];
5780 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ||
5781 st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
5787 if (mov->mode == MODE_MOV || mov->mode == MODE_MP4)
5788 tmcd_track = nb_tracks;
5790 for (i = 0; i < s->nb_streams; i++) {
5792 AVStream *st= s->streams[i];
5793 MOVTrack *track= &mov->tracks[i];
5795 /* copy extradata if it exists */
5796 if (st->codecpar->extradata_size) {
5797 if (st->codecpar->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
5798 mov_create_dvd_sub_decoder_specific_info(track, st);
5799 else if (!TAG_IS_AVCI(track->tag) && st->codecpar->codec_id != AV_CODEC_ID_DNXHD) {
5800 track->vos_len = st->codecpar->extradata_size;
5801 track->vos_data = av_malloc(track->vos_len);
5802 if (!track->vos_data) {
5803 return AVERROR(ENOMEM);
5805 memcpy(track->vos_data, st->codecpar->extradata, track->vos_len);
5809 if (st->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ||
5810 track->par->channel_layout != AV_CH_LAYOUT_MONO)
5813 for (j = 0; j < s->nb_streams; j++) {
5814 AVStream *stj= s->streams[j];
5815 MOVTrack *trackj= &mov->tracks[j];
5819 if (stj->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ||
5820 trackj->par->channel_layout != AV_CH_LAYOUT_MONO ||
5821 trackj->language != track->language ||
5822 trackj->tag != track->tag
5825 track->multichannel_as_mono++;
5829 if (!(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
5830 if ((ret = mov_write_identification(pb, s)) < 0)
5834 if (mov->reserved_moov_size){
5835 mov->reserved_header_pos = avio_tell(pb);
5836 if (mov->reserved_moov_size > 0)
5837 avio_skip(pb, mov->reserved_moov_size);
5840 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
5841 /* If no fragmentation options have been set, set a default. */
5842 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
5843 FF_MOV_FLAG_FRAG_CUSTOM)) &&
5844 !mov->max_fragment_duration && !mov->max_fragment_size)
5845 mov->flags |= FF_MOV_FLAG_FRAG_KEYFRAME;
5847 if (mov->flags & FF_MOV_FLAG_FASTSTART)
5848 mov->reserved_header_pos = avio_tell(pb);
5849 mov_write_mdat_tag(pb, mov);
5852 ff_parse_creation_time_metadata(s, &mov->time, 1);
5854 mov->time += 0x7C25B080; // 1970 based -> 1904 based
5856 if (mov->chapter_track)
5857 if ((ret = mov_create_chapter_track(s, mov->chapter_track)) < 0)
5860 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
5861 /* Initialize the hint tracks for each audio and video stream */
5862 for (i = 0; i < s->nb_streams; i++) {
5863 AVStream *st = s->streams[i];
5864 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ||
5865 st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
5866 if ((ret = ff_mov_init_hinting(s, hint_track, i)) < 0)
5873 if (mov->nb_meta_tmcd) {
5874 /* Initialize the tmcd tracks */
5875 for (i = 0; i < s->nb_streams; i++) {
5876 AVStream *st = s->streams[i];
5879 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
5882 t = av_dict_get(st->metadata, "timecode", NULL, 0);
5885 if (mov_check_timecode_track(s, &tc, i, t->value) < 0)
5887 if ((ret = mov_create_timecode_track(s, tmcd_track, i, tc)) < 0)
5896 if (mov->flags & FF_MOV_FLAG_ISML)
5897 mov_write_isml_manifest(pb, mov, s);
5899 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
5900 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
5901 if ((ret = mov_write_moov_tag(pb, mov, s)) < 0)
5904 mov->moov_written = 1;
5905 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
5906 mov->reserved_header_pos = avio_tell(pb);
5912 static int get_moov_size(AVFormatContext *s)
5915 AVIOContext *moov_buf;
5916 MOVMuxContext *mov = s->priv_data;
5918 if ((ret = ffio_open_null_buf(&moov_buf)) < 0)
5920 if ((ret = mov_write_moov_tag(moov_buf, mov, s)) < 0)
5922 return ffio_close_null_buf(moov_buf);
5925 static int get_sidx_size(AVFormatContext *s)
5929 MOVMuxContext *mov = s->priv_data;
5931 if ((ret = ffio_open_null_buf(&buf)) < 0)
5933 mov_write_sidx_tags(buf, mov, -1, 0);
5934 return ffio_close_null_buf(buf);
5938 * This function gets the moov size if moved to the top of the file: the chunk
5939 * offset table can switch between stco (32-bit entries) to co64 (64-bit
5940 * entries) when the moov is moved to the beginning, so the size of the moov
5941 * would change. It also updates the chunk offset tables.
5943 static int compute_moov_size(AVFormatContext *s)
5945 int i, moov_size, moov_size2;
5946 MOVMuxContext *mov = s->priv_data;
5948 moov_size = get_moov_size(s);
5952 for (i = 0; i < mov->nb_streams; i++)
5953 mov->tracks[i].data_offset += moov_size;
5955 moov_size2 = get_moov_size(s);
5959 /* if the size changed, we just switched from stco to co64 and need to
5960 * update the offsets */
5961 if (moov_size2 != moov_size)
5962 for (i = 0; i < mov->nb_streams; i++)
5963 mov->tracks[i].data_offset += moov_size2 - moov_size;
5968 static int compute_sidx_size(AVFormatContext *s)
5971 MOVMuxContext *mov = s->priv_data;
5973 sidx_size = get_sidx_size(s);
5977 for (i = 0; i < mov->nb_streams; i++)
5978 mov->tracks[i].data_offset += sidx_size;
5983 static int shift_data(AVFormatContext *s)
5985 int ret = 0, moov_size;
5986 MOVMuxContext *mov = s->priv_data;
5987 int64_t pos, pos_end = avio_tell(s->pb);
5988 uint8_t *buf, *read_buf[2];
5989 int read_buf_id = 0;
5991 AVIOContext *read_pb;
5993 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
5994 moov_size = compute_sidx_size(s);
5996 moov_size = compute_moov_size(s);
6000 buf = av_malloc(moov_size * 2);
6002 return AVERROR(ENOMEM);
6004 read_buf[1] = buf + moov_size;
6006 /* Shift the data: the AVIO context of the output can only be used for
6007 * writing, so we re-open the same output, but for reading. It also avoids
6008 * a read/seek/write/seek back and forth. */
6010 ret = s->io_open(s, &read_pb, s->filename, AVIO_FLAG_READ, NULL);
6012 av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for "
6013 "the second pass (faststart)\n", s->filename);
6017 /* mark the end of the shift to up to the last data we wrote, and get ready
6019 pos_end = avio_tell(s->pb);
6020 avio_seek(s->pb, mov->reserved_header_pos + moov_size, SEEK_SET);
6022 /* start reading at where the new moov will be placed */
6023 avio_seek(read_pb, mov->reserved_header_pos, SEEK_SET);
6024 pos = avio_tell(read_pb);
6026 #define READ_BLOCK do { \
6027 read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
6031 /* shift data by chunk of at most moov_size */
6036 n = read_size[read_buf_id];
6039 avio_write(s->pb, read_buf[read_buf_id], n);
6041 } while (pos < pos_end);
6042 ff_format_io_close(s, &read_pb);
6049 static int mov_write_trailer(AVFormatContext *s)
6051 MOVMuxContext *mov = s->priv_data;
6052 AVIOContext *pb = s->pb;
6057 if (mov->need_rewrite_extradata) {
6058 for (i = 0; i < s->nb_streams; i++) {
6059 MOVTrack *track = &mov->tracks[i];
6060 AVCodecParameters *par = track->par;
6062 track->vos_len = par->extradata_size;
6063 track->vos_data = av_malloc(track->vos_len);
6064 if (!track->vos_data)
6065 return AVERROR(ENOMEM);
6066 memcpy(track->vos_data, par->extradata, track->vos_len);
6068 mov->need_rewrite_extradata = 0;
6072 * Before actually writing the trailer, make sure that there are no
6073 * dangling subtitles, that need a terminating sample.
6075 for (i = 0; i < mov->nb_streams; i++) {
6076 MOVTrack *trk = &mov->tracks[i];
6077 if (trk->par->codec_id == AV_CODEC_ID_MOV_TEXT &&
6078 !trk->last_sample_is_subtitle_end) {
6079 mov_write_subtitle_end_packet(s, i, trk->track_duration);
6080 trk->last_sample_is_subtitle_end = 1;
6084 // If there were no chapters when the header was written, but there
6085 // are chapters now, write them in the trailer. This only works
6086 // when we are not doing fragments.
6087 if (!mov->chapter_track && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
6088 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters) {
6089 mov->chapter_track = mov->nb_streams++;
6090 if ((res = mov_create_chapter_track(s, mov->chapter_track)) < 0)
6095 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
6096 moov_pos = avio_tell(pb);
6098 /* Write size of mdat tag */
6099 if (mov->mdat_size + 8 <= UINT32_MAX) {
6100 avio_seek(pb, mov->mdat_pos, SEEK_SET);
6101 avio_wb32(pb, mov->mdat_size + 8);
6103 /* overwrite 'wide' placeholder atom */
6104 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
6105 /* special value: real atom size will be 64 bit value after
6108 ffio_wfourcc(pb, "mdat");
6109 avio_wb64(pb, mov->mdat_size + 16);
6111 avio_seek(pb, mov->reserved_moov_size > 0 ? mov->reserved_header_pos : moov_pos, SEEK_SET);
6113 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
6114 av_log(s, AV_LOG_INFO, "Starting second pass: moving the moov atom to the beginning of the file\n");
6115 res = shift_data(s);
6118 avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
6119 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6121 } else if (mov->reserved_moov_size > 0) {
6123 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6125 size = mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_header_pos);
6127 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
6128 return AVERROR(EINVAL);
6130 avio_wb32(pb, size);
6131 ffio_wfourcc(pb, "free");
6132 ffio_fill(pb, 0, size - 8);
6133 avio_seek(pb, moov_pos, SEEK_SET);
6135 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6140 mov_auto_flush_fragment(s, 1);
6141 for (i = 0; i < mov->nb_streams; i++)
6142 mov->tracks[i].data_offset = 0;
6143 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX) {
6145 av_log(s, AV_LOG_INFO, "Starting second pass: inserting sidx atoms\n");
6146 res = shift_data(s);
6149 end = avio_tell(pb);
6150 avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
6151 mov_write_sidx_tags(pb, mov, -1, 0);
6152 avio_seek(pb, end, SEEK_SET);
6153 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_TRAILER);
6154 mov_write_mfra_tag(pb, mov);
6156 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_TRAILER);
6157 mov_write_mfra_tag(pb, mov);
6164 static int mov_check_bitstream(struct AVFormatContext *s, const AVPacket *pkt)
6167 AVStream *st = s->streams[pkt->stream_index];
6169 if (st->codecpar->codec_id == AV_CODEC_ID_AAC) {
6170 if (pkt->size > 2 && (AV_RB16(pkt->data) & 0xfff0) == 0xfff0)
6171 ret = ff_stream_add_bitstream_filter(st, "aac_adtstoasc", NULL);
6177 #if CONFIG_MOV_MUXER
6179 AVOutputFormat ff_mov_muxer = {
6181 .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
6182 .extensions = "mov",
6183 .priv_data_size = sizeof(MOVMuxContext),
6184 .audio_codec = AV_CODEC_ID_AAC,
6185 .video_codec = CONFIG_LIBX264_ENCODER ?
6186 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
6188 .write_header = mov_write_header,
6189 .write_packet = mov_write_packet,
6190 .write_trailer = mov_write_trailer,
6192 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6193 .codec_tag = (const AVCodecTag* const []){
6194 ff_codec_movvideo_tags, ff_codec_movaudio_tags, 0
6196 .check_bitstream = mov_check_bitstream,
6197 .priv_class = &mov_muxer_class,
6200 #if CONFIG_TGP_MUXER
6202 AVOutputFormat ff_tgp_muxer = {
6204 .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
6205 .extensions = "3gp",
6206 .priv_data_size = sizeof(MOVMuxContext),
6207 .audio_codec = AV_CODEC_ID_AMR_NB,
6208 .video_codec = AV_CODEC_ID_H263,
6210 .write_header = mov_write_header,
6211 .write_packet = mov_write_packet,
6212 .write_trailer = mov_write_trailer,
6214 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6215 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
6216 .check_bitstream = mov_check_bitstream,
6217 .priv_class = &tgp_muxer_class,
6220 #if CONFIG_MP4_MUXER
6222 AVOutputFormat ff_mp4_muxer = {
6224 .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
6225 .mime_type = "video/mp4",
6226 .extensions = "mp4",
6227 .priv_data_size = sizeof(MOVMuxContext),
6228 .audio_codec = AV_CODEC_ID_AAC,
6229 .video_codec = CONFIG_LIBX264_ENCODER ?
6230 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
6232 .write_header = mov_write_header,
6233 .write_packet = mov_write_packet,
6234 .write_trailer = mov_write_trailer,
6236 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6237 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
6238 .check_bitstream = mov_check_bitstream,
6239 .priv_class = &mp4_muxer_class,
6242 #if CONFIG_PSP_MUXER
6244 AVOutputFormat ff_psp_muxer = {
6246 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
6247 .extensions = "mp4,psp",
6248 .priv_data_size = sizeof(MOVMuxContext),
6249 .audio_codec = AV_CODEC_ID_AAC,
6250 .video_codec = CONFIG_LIBX264_ENCODER ?
6251 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
6253 .write_header = mov_write_header,
6254 .write_packet = mov_write_packet,
6255 .write_trailer = mov_write_trailer,
6257 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6258 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
6259 .check_bitstream = mov_check_bitstream,
6260 .priv_class = &psp_muxer_class,
6263 #if CONFIG_TG2_MUXER
6265 AVOutputFormat ff_tg2_muxer = {
6267 .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
6268 .extensions = "3g2",
6269 .priv_data_size = sizeof(MOVMuxContext),
6270 .audio_codec = AV_CODEC_ID_AMR_NB,
6271 .video_codec = AV_CODEC_ID_H263,
6273 .write_header = mov_write_header,
6274 .write_packet = mov_write_packet,
6275 .write_trailer = mov_write_trailer,
6277 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6278 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
6279 .check_bitstream = mov_check_bitstream,
6280 .priv_class = &tg2_muxer_class,
6283 #if CONFIG_IPOD_MUXER
6285 AVOutputFormat ff_ipod_muxer = {
6287 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
6288 .mime_type = "video/mp4",
6289 .extensions = "m4v,m4a",
6290 .priv_data_size = sizeof(MOVMuxContext),
6291 .audio_codec = AV_CODEC_ID_AAC,
6292 .video_codec = AV_CODEC_ID_H264,
6294 .write_header = mov_write_header,
6295 .write_packet = mov_write_packet,
6296 .write_trailer = mov_write_trailer,
6298 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6299 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
6300 .check_bitstream = mov_check_bitstream,
6301 .priv_class = &ipod_muxer_class,
6304 #if CONFIG_ISMV_MUXER
6306 AVOutputFormat ff_ismv_muxer = {
6308 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
6309 .mime_type = "video/mp4",
6310 .extensions = "ismv,isma",
6311 .priv_data_size = sizeof(MOVMuxContext),
6312 .audio_codec = AV_CODEC_ID_AAC,
6313 .video_codec = AV_CODEC_ID_H264,
6315 .write_header = mov_write_header,
6316 .write_packet = mov_write_packet,
6317 .write_trailer = mov_write_trailer,
6319 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6320 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
6321 .check_bitstream = mov_check_bitstream,
6322 .priv_class = &ismv_muxer_class,
6325 #if CONFIG_F4V_MUXER
6327 AVOutputFormat ff_f4v_muxer = {
6329 .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
6330 .mime_type = "application/f4v",
6331 .extensions = "f4v",
6332 .priv_data_size = sizeof(MOVMuxContext),
6333 .audio_codec = AV_CODEC_ID_AAC,
6334 .video_codec = AV_CODEC_ID_H264,
6336 .write_header = mov_write_header,
6337 .write_packet = mov_write_packet,
6338 .write_trailer = mov_write_trailer,
6340 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
6341 .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 },
6342 .check_bitstream = mov_check_bitstream,
6343 .priv_class = &f4v_muxer_class,