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"
35 #include "libavcodec/ac3_parser_internal.h"
36 #include "libavcodec/dnxhddata.h"
37 #include "libavcodec/flac.h"
38 #include "libavcodec/get_bits.h"
40 #include "libavcodec/internal.h"
41 #include "libavcodec/put_bits.h"
42 #include "libavcodec/vc1_common.h"
43 #include "libavcodec/raw.h"
45 #include "libavutil/avstring.h"
46 #include "libavutil/intfloat.h"
47 #include "libavutil/mathematics.h"
48 #include "libavutil/libm.h"
49 #include "libavutil/opt.h"
50 #include "libavutil/dict.h"
51 #include "libavutil/pixdesc.h"
52 #include "libavutil/stereo3d.h"
53 #include "libavutil/timecode.h"
54 #include "libavutil/color_utils.h"
60 static const AVOption options[] = {
61 { "movflags", "MOV muxer flags", offsetof(MOVMuxContext, flags), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
62 { "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" },
63 { "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 },
64 { "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" },
65 { "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" },
66 { "frag_every_frame", "Fragment at every frame", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FRAG_EVERY_FRAME}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
67 { "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" },
68 { "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" },
69 { "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" },
70 { "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" },
71 { "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" },
72 { "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" },
73 { "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" },
74 { "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" },
75 { "cmaf", "Write CMAF compatible fragmented MP4", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_CMAF}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
76 { "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" },
77 { "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" },
78 { "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" },
79 { "skip_sidx", "Skip writing of sidx atom", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_SKIP_SIDX}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
80 { "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" },
81 { "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" },
82 { "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" },
83 { "skip_trailer", "Skip writing the mfra/tfra/mfro trailer for fragmented files", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_SKIP_TRAILER}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
84 { "negative_cts_offsets", "Use negative CTS offsets (reducing the need for edit lists)", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
85 FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
86 { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
87 { "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},
88 { "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},
89 { "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
90 { "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},
91 { "frag_size", "Maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
92 { "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},
93 { "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},
94 { "brand", "Override major brand", offsetof(MOVMuxContext, major_brand), AV_OPT_TYPE_STRING, {.str = NULL}, .flags = AV_OPT_FLAG_ENCODING_PARAM },
95 { "use_editlist", "use edit list", offsetof(MOVMuxContext, use_editlist), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM},
96 { "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},
97 { "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},
98 { "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 },
99 { "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 },
100 { "encryption_key", "The media encryption key (hex)", offsetof(MOVMuxContext, encryption_key), AV_OPT_TYPE_BINARY, .flags = AV_OPT_FLAG_ENCODING_PARAM },
101 { "encryption_kid", "The media encryption key identifier (hex)", offsetof(MOVMuxContext, encryption_kid), AV_OPT_TYPE_BINARY, .flags = AV_OPT_FLAG_ENCODING_PARAM },
102 { "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},
103 { "write_tmcd", "force or disable writing tmcd", offsetof(MOVMuxContext, write_tmcd), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM},
104 { "write_prft", "Write producer reference time box with specified time source", offsetof(MOVMuxContext, write_prft), AV_OPT_TYPE_INT, {.i64 = MOV_PRFT_NONE}, 0, MOV_PRFT_NB-1, AV_OPT_FLAG_ENCODING_PARAM, "prft"},
105 { "wallclock", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = MOV_PRFT_SRC_WALLCLOCK}, 0, 0, AV_OPT_FLAG_ENCODING_PARAM, "prft"},
106 { "pts", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = MOV_PRFT_SRC_PTS}, 0, 0, AV_OPT_FLAG_ENCODING_PARAM, "prft"},
107 { "empty_hdlr_name", "write zero-length name string in hdlr atoms within mdia and minf atoms", offsetof(MOVMuxContext, empty_hdlr_name), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
111 #define MOV_CLASS(flavor)\
112 static const AVClass flavor ## _muxer_class = {\
113 .class_name = #flavor " muxer",\
114 .item_name = av_default_item_name,\
116 .version = LIBAVUTIL_VERSION_INT,\
119 static int get_moov_size(AVFormatContext *s);
121 static int utf8len(const uint8_t *b)
126 GET_UTF8(val, *b++, return -1;)
132 //FIXME support 64 bit variant with wide placeholders
133 static int64_t update_size(AVIOContext *pb, int64_t pos)
135 int64_t curpos = avio_tell(pb);
136 avio_seek(pb, pos, SEEK_SET);
137 avio_wb32(pb, curpos - pos); /* rewrite size */
138 avio_seek(pb, curpos, SEEK_SET);
143 static int co64_required(const MOVTrack *track)
145 if (track->entry > 0 && track->cluster[track->entry - 1].pos + track->data_offset > UINT32_MAX)
150 static int is_cover_image(const AVStream *st)
152 /* Eg. AV_DISPOSITION_ATTACHED_PIC | AV_DISPOSITION_TIMED_THUMBNAILS
153 * is encoded as sparse video track */
154 return st && st->disposition == AV_DISPOSITION_ATTACHED_PIC;
157 static int rtp_hinting_needed(const AVStream *st)
159 /* Add hint tracks for each real audio and video stream */
160 if (is_cover_image(st))
162 return st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ||
163 st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO;
166 /* Chunk offset atom */
167 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
170 int mode64 = co64_required(track); // use 32 bit size variant if possible
171 int64_t pos = avio_tell(pb);
172 avio_wb32(pb, 0); /* size */
174 ffio_wfourcc(pb, "co64");
176 ffio_wfourcc(pb, "stco");
177 avio_wb32(pb, 0); /* version & flags */
178 avio_wb32(pb, track->chunkCount); /* entry count */
179 for (i = 0; i < track->entry; i++) {
180 if (!track->cluster[i].chunkNum)
183 avio_wb64(pb, track->cluster[i].pos + track->data_offset);
185 avio_wb32(pb, track->cluster[i].pos + track->data_offset);
187 return update_size(pb, pos);
190 /* Sample size atom */
191 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
194 int i, j, entries = 0, tst = -1, oldtst = -1;
196 int64_t pos = avio_tell(pb);
197 avio_wb32(pb, 0); /* size */
198 ffio_wfourcc(pb, "stsz");
199 avio_wb32(pb, 0); /* version & flags */
201 for (i = 0; i < track->entry; i++) {
202 tst = track->cluster[i].size / track->cluster[i].entries;
203 if (oldtst != -1 && tst != oldtst)
206 entries += track->cluster[i].entries;
208 if (equalChunks && track->entry) {
209 int sSize = track->entry ? track->cluster[0].size / track->cluster[0].entries : 0;
210 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
211 avio_wb32(pb, sSize); // sample size
212 avio_wb32(pb, entries); // sample count
214 avio_wb32(pb, 0); // sample size
215 avio_wb32(pb, entries); // sample count
216 for (i = 0; i < track->entry; i++) {
217 for (j = 0; j < track->cluster[i].entries; j++) {
218 avio_wb32(pb, track->cluster[i].size /
219 track->cluster[i].entries);
223 return update_size(pb, pos);
226 /* Sample to chunk atom */
227 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
229 int index = 0, oldval = -1, i;
230 int64_t entryPos, curpos;
232 int64_t pos = avio_tell(pb);
233 avio_wb32(pb, 0); /* size */
234 ffio_wfourcc(pb, "stsc");
235 avio_wb32(pb, 0); // version & flags
236 entryPos = avio_tell(pb);
237 avio_wb32(pb, track->chunkCount); // entry count
238 for (i = 0; i < track->entry; i++) {
239 if (oldval != track->cluster[i].samples_in_chunk && track->cluster[i].chunkNum) {
240 avio_wb32(pb, track->cluster[i].chunkNum); // first chunk
241 avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
242 avio_wb32(pb, 0x1); // sample description index
243 oldval = track->cluster[i].samples_in_chunk;
247 curpos = avio_tell(pb);
248 avio_seek(pb, entryPos, SEEK_SET);
249 avio_wb32(pb, index); // rewrite size
250 avio_seek(pb, curpos, SEEK_SET);
252 return update_size(pb, pos);
255 /* Sync sample atom */
256 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
258 int64_t curpos, entryPos;
260 int64_t pos = avio_tell(pb);
261 avio_wb32(pb, 0); // size
262 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
263 avio_wb32(pb, 0); // version & flags
264 entryPos = avio_tell(pb);
265 avio_wb32(pb, track->entry); // entry count
266 for (i = 0; i < track->entry; i++) {
267 if (track->cluster[i].flags & flag) {
268 avio_wb32(pb, i + 1);
272 curpos = avio_tell(pb);
273 avio_seek(pb, entryPos, SEEK_SET);
274 avio_wb32(pb, index); // rewrite size
275 avio_seek(pb, curpos, SEEK_SET);
276 return update_size(pb, pos);
279 /* Sample dependency atom */
280 static int mov_write_sdtp_tag(AVIOContext *pb, MOVTrack *track)
283 uint8_t leading, dependent, reference, redundancy;
284 int64_t pos = avio_tell(pb);
285 avio_wb32(pb, 0); // size
286 ffio_wfourcc(pb, "sdtp");
287 avio_wb32(pb, 0); // version & flags
288 for (i = 0; i < track->entry; i++) {
289 dependent = MOV_SAMPLE_DEPENDENCY_YES;
290 leading = reference = redundancy = MOV_SAMPLE_DEPENDENCY_UNKNOWN;
291 if (track->cluster[i].flags & MOV_DISPOSABLE_SAMPLE) {
292 reference = MOV_SAMPLE_DEPENDENCY_NO;
294 if (track->cluster[i].flags & MOV_SYNC_SAMPLE) {
295 dependent = MOV_SAMPLE_DEPENDENCY_NO;
297 avio_w8(pb, (leading << 6) | (dependent << 4) |
298 (reference << 2) | redundancy);
300 return update_size(pb, pos);
303 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
305 avio_wb32(pb, 0x11); /* size */
306 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
307 else ffio_wfourcc(pb, "damr");
308 ffio_wfourcc(pb, "FFMP");
309 avio_w8(pb, 0); /* decoder version */
311 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
312 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
313 avio_w8(pb, 0x01); /* Frames per sample */
317 static int mov_write_ac3_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
322 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
324 if (track->vos_len < 7) {
325 av_log(s, AV_LOG_ERROR,
326 "Cannot write moov atom before AC3 packets."
327 " Set the delay_moov flag to fix this.\n");
328 return AVERROR(EINVAL);
332 ffio_wfourcc(pb, "dac3");
334 init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
335 fscod = get_bits(&gbc, 2);
336 frmsizecod = get_bits(&gbc, 6);
337 bsid = get_bits(&gbc, 5);
338 bsmod = get_bits(&gbc, 3);
339 acmod = get_bits(&gbc, 3);
341 skip_bits(&gbc, 2); // dsurmod
343 if ((acmod & 1) && acmod != 1)
344 skip_bits(&gbc, 2); // cmixlev
346 skip_bits(&gbc, 2); // surmixlev
348 lfeon = get_bits1(&gbc);
350 init_put_bits(&pbc, buf, sizeof(buf));
351 put_bits(&pbc, 2, fscod);
352 put_bits(&pbc, 5, bsid);
353 put_bits(&pbc, 3, bsmod);
354 put_bits(&pbc, 3, acmod);
355 put_bits(&pbc, 1, lfeon);
356 put_bits(&pbc, 5, frmsizecod >> 1); // bit_rate_code
357 put_bits(&pbc, 5, 0); // reserved
359 flush_put_bits(&pbc);
360 avio_write(pb, buf, sizeof(buf));
370 /* Layout of the EC3SpecificBox */
371 /* maximum bitrate */
373 /* number of independent substreams */
376 /* sample rate code (see ff_ac3_sample_rate_tab) 2 bits */
378 /* bit stream identification 5 bits */
380 /* one bit reserved */
381 /* audio service mixing (not supported yet) 1 bit */
382 /* bit stream mode 3 bits */
384 /* audio coding mode 3 bits */
386 /* sub woofer on 1 bit */
388 /* 3 bits reserved */
389 /* number of dependent substreams associated with this substream 4 bits */
391 /* channel locations of the dependent substream(s), if any, 9 bits */
393 /* if there is no dependent substream, then one bit reserved instead */
394 } substream[1]; /* TODO: support 8 independent substreams */
397 #if CONFIG_AC3_PARSER
398 static int handle_eac3(MOVMuxContext *mov, AVPacket *pkt, MOVTrack *track)
400 AC3HeaderInfo *hdr = NULL;
401 struct eac3_info *info;
404 if (!track->eac3_priv && !(track->eac3_priv = av_mallocz(sizeof(*info))))
405 return AVERROR(ENOMEM);
406 info = track->eac3_priv;
408 if (avpriv_ac3_parse_header(&hdr, pkt->data, pkt->size) < 0) {
409 /* drop the packets until we see a good one */
411 av_log(mov->fc, AV_LOG_WARNING, "Dropping invalid packet from start of the stream\n");
414 ret = AVERROR_INVALIDDATA;
418 info->data_rate = FFMAX(info->data_rate, hdr->bit_rate / 1000);
419 num_blocks = hdr->num_blocks;
421 if (!info->ec3_done) {
422 /* AC-3 substream must be the first one */
423 if (hdr->bitstream_id <= 10 && hdr->substreamid != 0) {
424 ret = AVERROR(EINVAL);
428 /* this should always be the case, given that our AC-3 parser
429 * concatenates dependent frames to their independent parent */
430 if (hdr->frame_type == EAC3_FRAME_TYPE_INDEPENDENT) {
431 /* substream ids must be incremental */
432 if (hdr->substreamid > info->num_ind_sub + 1) {
433 ret = AVERROR(EINVAL);
437 if (hdr->substreamid == info->num_ind_sub + 1) {
438 //info->num_ind_sub++;
439 avpriv_request_sample(mov->fc, "Multiple independent substreams");
440 ret = AVERROR_PATCHWELCOME;
442 } else if (hdr->substreamid < info->num_ind_sub ||
443 hdr->substreamid == 0 && info->substream[0].bsid) {
448 if (hdr->substreamid != 0) {
449 avpriv_request_sample(mov->fc, "Multiple non EAC3 independent substreams");
450 ret = AVERROR_PATCHWELCOME;
455 /* fill the info needed for the "dec3" atom */
456 info->substream[hdr->substreamid].fscod = hdr->sr_code;
457 info->substream[hdr->substreamid].bsid = hdr->bitstream_id;
458 info->substream[hdr->substreamid].bsmod = hdr->bitstream_mode;
459 info->substream[hdr->substreamid].acmod = hdr->channel_mode;
460 info->substream[hdr->substreamid].lfeon = hdr->lfe_on;
462 /* Parse dependent substream(s), if any */
463 if (pkt->size != hdr->frame_size) {
464 int cumul_size = hdr->frame_size;
465 int parent = hdr->substreamid;
467 while (cumul_size != pkt->size) {
470 ret = avpriv_ac3_parse_header(&hdr, pkt->data + cumul_size, pkt->size - cumul_size);
473 if (hdr->frame_type != EAC3_FRAME_TYPE_DEPENDENT) {
474 ret = AVERROR(EINVAL);
477 info->substream[parent].num_dep_sub++;
480 /* header is parsed up to lfeon, but custom channel map may be needed */
481 init_get_bits8(&gbc, pkt->data + cumul_size + ret, pkt->size - cumul_size - ret);
484 /* skip volume control params */
485 for (i = 0; i < (hdr->channel_mode ? 1 : 2); i++) {
486 skip_bits(&gbc, 5); // skip dialog normalization
487 if (get_bits1(&gbc)) {
488 skip_bits(&gbc, 8); // skip compression gain word
491 /* get the dependent stream channel map, if exists */
493 info->substream[parent].chan_loc |= (get_bits(&gbc, 16) >> 5) & 0x1f;
495 info->substream[parent].chan_loc |= hdr->channel_mode;
496 cumul_size += hdr->frame_size;
502 if (!info->num_blocks && num_blocks == 6) {
506 else if (info->num_blocks + num_blocks > 6) {
507 ret = AVERROR_INVALIDDATA;
511 if (!info->num_blocks) {
512 ret = av_packet_ref(&info->pkt, pkt);
514 info->num_blocks = num_blocks;
517 if ((ret = av_grow_packet(&info->pkt, pkt->size)) < 0)
519 memcpy(info->pkt.data + info->pkt.size - pkt->size, pkt->data, pkt->size);
520 info->num_blocks += num_blocks;
521 info->pkt.duration += pkt->duration;
522 if ((ret = av_copy_packet_side_data(&info->pkt, pkt)) < 0)
524 if (info->num_blocks != 6)
526 av_packet_unref(pkt);
527 av_packet_move_ref(pkt, &info->pkt);
528 info->num_blocks = 0;
539 static int mov_write_eac3_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
543 struct eac3_info *info;
546 if (!track->eac3_priv) {
547 av_log(s, AV_LOG_ERROR,
548 "Cannot write moov atom before EAC3 packets parsed.\n");
549 return AVERROR(EINVAL);
552 info = track->eac3_priv;
553 size = 2 + ((34 * (info->num_ind_sub + 1) + 7) >> 3);
554 buf = av_malloc(size);
556 return AVERROR(ENOMEM);
559 init_put_bits(&pbc, buf, size);
560 put_bits(&pbc, 13, info->data_rate);
561 put_bits(&pbc, 3, info->num_ind_sub);
562 for (i = 0; i <= info->num_ind_sub; i++) {
563 put_bits(&pbc, 2, info->substream[i].fscod);
564 put_bits(&pbc, 5, info->substream[i].bsid);
565 put_bits(&pbc, 1, 0); /* reserved */
566 put_bits(&pbc, 1, 0); /* asvc */
567 put_bits(&pbc, 3, info->substream[i].bsmod);
568 put_bits(&pbc, 3, info->substream[i].acmod);
569 put_bits(&pbc, 1, info->substream[i].lfeon);
570 put_bits(&pbc, 5, 0); /* reserved */
571 put_bits(&pbc, 4, info->substream[i].num_dep_sub);
572 if (!info->substream[i].num_dep_sub) {
573 put_bits(&pbc, 1, 0); /* reserved */
575 put_bits(&pbc, 9, info->substream[i].chan_loc);
578 flush_put_bits(&pbc);
579 size = put_bits_count(&pbc) >> 3;
581 avio_wb32(pb, size + 8);
582 ffio_wfourcc(pb, "dec3");
583 avio_write(pb, buf, size);
591 * This function writes extradata "as is".
592 * Extradata must be formatted like a valid atom (with size and tag).
594 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
596 avio_write(pb, track->par->extradata, track->par->extradata_size);
597 return track->par->extradata_size;
600 static int mov_write_enda_tag(AVIOContext *pb)
603 ffio_wfourcc(pb, "enda");
604 avio_wb16(pb, 1); /* little endian */
608 static int mov_write_enda_tag_be(AVIOContext *pb)
611 ffio_wfourcc(pb, "enda");
612 avio_wb16(pb, 0); /* big endian */
616 static void put_descr(AVIOContext *pb, int tag, unsigned int size)
621 avio_w8(pb, (size >> (7 * i)) | 0x80);
622 avio_w8(pb, size & 0x7F);
625 static unsigned compute_avg_bitrate(MOVTrack *track)
629 if (!track->track_duration)
631 for (i = 0; i < track->entry; i++)
632 size += track->cluster[i].size;
633 return size * 8 * track->timescale / track->track_duration;
636 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
638 AVCPBProperties *props;
639 int64_t pos = avio_tell(pb);
640 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
641 unsigned avg_bitrate;
643 avio_wb32(pb, 0); // size
644 ffio_wfourcc(pb, "esds");
645 avio_wb32(pb, 0); // Version
648 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
649 avio_wb16(pb, track->track_id);
650 avio_w8(pb, 0x00); // flags (= no flags)
652 // DecoderConfig descriptor
653 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
655 // Object type indication
656 if ((track->par->codec_id == AV_CODEC_ID_MP2 ||
657 track->par->codec_id == AV_CODEC_ID_MP3) &&
658 track->par->sample_rate > 24000)
659 avio_w8(pb, 0x6B); // 11172-3
661 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->par->codec_id));
663 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
664 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
665 if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
666 avio_w8(pb, (0x38 << 2) | 1); // flags (= NeroSubpicStream)
667 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
668 avio_w8(pb, 0x15); // flags (= Audiostream)
670 avio_w8(pb, 0x11); // flags (= Visualstream)
672 props = (AVCPBProperties*)av_stream_get_side_data(track->st, AV_PKT_DATA_CPB_PROPERTIES,
675 avio_wb24(pb, props ? props->buffer_size / 8 : 0); // Buffersize DB
677 avg_bitrate = compute_avg_bitrate(track);
678 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)
679 avio_wb32(pb, avg_bitrate);
681 if (track->vos_len) {
682 // DecoderSpecific info descriptor
683 put_descr(pb, 0x05, track->vos_len);
684 avio_write(pb, track->vos_data, track->vos_len);
688 put_descr(pb, 0x06, 1);
690 return update_size(pb, pos);
693 static int mov_pcm_le_gt16(enum AVCodecID codec_id)
695 return codec_id == AV_CODEC_ID_PCM_S24LE ||
696 codec_id == AV_CODEC_ID_PCM_S32LE ||
697 codec_id == AV_CODEC_ID_PCM_F32LE ||
698 codec_id == AV_CODEC_ID_PCM_F64LE;
701 static int mov_pcm_be_gt16(enum AVCodecID codec_id)
703 return codec_id == AV_CODEC_ID_PCM_S24BE ||
704 codec_id == AV_CODEC_ID_PCM_S32BE ||
705 codec_id == AV_CODEC_ID_PCM_F32BE ||
706 codec_id == AV_CODEC_ID_PCM_F64BE;
709 static int mov_write_ms_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
712 int64_t pos = avio_tell(pb);
714 avio_wl32(pb, track->tag); // store it byteswapped
715 track->par->codec_tag = av_bswap16(track->tag >> 16);
716 if ((ret = ff_put_wav_header(s, pb, track->par, 0)) < 0)
718 return update_size(pb, pos);
721 static int mov_write_wfex_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
724 int64_t pos = avio_tell(pb);
726 ffio_wfourcc(pb, "wfex");
727 if ((ret = ff_put_wav_header(s, pb, track->st->codecpar, FF_PUT_WAV_HEADER_FORCE_WAVEFORMATEX)) < 0)
729 return update_size(pb, pos);
732 static int mov_write_dfla_tag(AVIOContext *pb, MOVTrack *track)
734 int64_t pos = avio_tell(pb);
736 ffio_wfourcc(pb, "dfLa");
737 avio_w8(pb, 0); /* version */
738 avio_wb24(pb, 0); /* flags */
740 /* Expect the encoder to pass a METADATA_BLOCK_TYPE_STREAMINFO. */
741 if (track->par->extradata_size != FLAC_STREAMINFO_SIZE)
742 return AVERROR_INVALIDDATA;
744 /* TODO: Write other METADATA_BLOCK_TYPEs if the encoder makes them available. */
745 avio_w8(pb, 1 << 7 | FLAC_METADATA_TYPE_STREAMINFO); /* LastMetadataBlockFlag << 7 | BlockType */
746 avio_wb24(pb, track->par->extradata_size); /* Length */
747 avio_write(pb, track->par->extradata, track->par->extradata_size); /* BlockData[Length] */
749 return update_size(pb, pos);
752 static int mov_write_dops_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
754 int64_t pos = avio_tell(pb);
756 ffio_wfourcc(pb, "dOps");
757 avio_w8(pb, 0); /* Version */
758 if (track->par->extradata_size < 19) {
759 av_log(s, AV_LOG_ERROR, "invalid extradata size\n");
760 return AVERROR_INVALIDDATA;
762 /* extradata contains an Ogg OpusHead, other than byte-ordering and
763 OpusHead's preceeding magic/version, OpusSpecificBox is currently
765 avio_w8(pb, AV_RB8(track->par->extradata + 9)); /* OuputChannelCount */
766 avio_wb16(pb, AV_RL16(track->par->extradata + 10)); /* PreSkip */
767 avio_wb32(pb, AV_RL32(track->par->extradata + 12)); /* InputSampleRate */
768 avio_wb16(pb, AV_RL16(track->par->extradata + 16)); /* OutputGain */
769 /* Write the rest of the header out without byte-swapping. */
770 avio_write(pb, track->par->extradata + 18, track->par->extradata_size - 18);
772 return update_size(pb, pos);
775 static int mov_write_dmlp_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
777 int64_t pos = avio_tell(pb);
780 ffio_wfourcc(pb, "dmlp");
782 if (track->vos_len < 20) {
783 av_log(s, AV_LOG_ERROR,
784 "Cannot write moov atom before TrueHD packets."
785 " Set the delay_moov flag to fix this.\n");
786 return AVERROR(EINVAL);
789 length = (AV_RB16(track->vos_data) & 0xFFF) * 2;
790 if (length < 20 || length > track->vos_len)
791 return AVERROR_INVALIDDATA;
793 // Only TrueHD is supported
794 if (AV_RB32(track->vos_data + 4) != 0xF8726FBA)
795 return AVERROR_INVALIDDATA;
797 avio_wb32(pb, AV_RB32(track->vos_data + 8)); /* format_info */
798 avio_wb16(pb, AV_RB16(track->vos_data + 18) << 1); /* peak_data_rate */
799 avio_wb32(pb, 0); /* reserved */
801 return update_size(pb, pos);
804 static int mov_write_chan_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
806 uint32_t layout_tag, bitmap;
807 int64_t pos = avio_tell(pb);
809 layout_tag = ff_mov_get_channel_layout_tag(track->par->codec_id,
810 track->par->channel_layout,
813 av_log(s, AV_LOG_WARNING, "not writing 'chan' tag due to "
814 "lack of channel information\n");
818 if (track->multichannel_as_mono)
821 avio_wb32(pb, 0); // Size
822 ffio_wfourcc(pb, "chan"); // Type
823 avio_w8(pb, 0); // Version
824 avio_wb24(pb, 0); // Flags
825 avio_wb32(pb, layout_tag); // mChannelLayoutTag
826 avio_wb32(pb, bitmap); // mChannelBitmap
827 avio_wb32(pb, 0); // mNumberChannelDescriptions
829 return update_size(pb, pos);
832 static int mov_write_wave_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
834 int64_t pos = avio_tell(pb);
836 avio_wb32(pb, 0); /* size */
837 ffio_wfourcc(pb, "wave");
839 if (track->par->codec_id != AV_CODEC_ID_QDM2) {
840 avio_wb32(pb, 12); /* size */
841 ffio_wfourcc(pb, "frma");
842 avio_wl32(pb, track->tag);
845 if (track->par->codec_id == AV_CODEC_ID_AAC) {
846 /* useless atom needed by mplayer, ipod, not needed by quicktime */
847 avio_wb32(pb, 12); /* size */
848 ffio_wfourcc(pb, "mp4a");
850 mov_write_esds_tag(pb, track);
851 } else if (mov_pcm_le_gt16(track->par->codec_id)) {
852 mov_write_enda_tag(pb);
853 } else if (mov_pcm_be_gt16(track->par->codec_id)) {
854 mov_write_enda_tag_be(pb);
855 } else if (track->par->codec_id == AV_CODEC_ID_AMR_NB) {
856 mov_write_amr_tag(pb, track);
857 } else if (track->par->codec_id == AV_CODEC_ID_AC3) {
858 mov_write_ac3_tag(s, pb, track);
859 } else if (track->par->codec_id == AV_CODEC_ID_EAC3) {
860 mov_write_eac3_tag(s, pb, track);
861 } else if (track->par->codec_id == AV_CODEC_ID_ALAC ||
862 track->par->codec_id == AV_CODEC_ID_QDM2) {
863 mov_write_extradata_tag(pb, track);
864 } else if (track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
865 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
866 mov_write_ms_tag(s, pb, track);
869 avio_wb32(pb, 8); /* size */
870 avio_wb32(pb, 0); /* null tag */
872 return update_size(pb, pos);
875 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
878 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
879 int unescaped_size, seq_found = 0;
880 int level = 0, interlace = 0;
881 int packet_seq = track->vc1_info.packet_seq;
882 int packet_entry = track->vc1_info.packet_entry;
883 int slices = track->vc1_info.slices;
886 if (track->start_dts == AV_NOPTS_VALUE) {
887 /* No packets written yet, vc1_info isn't authoritative yet. */
888 /* Assume inline sequence and entry headers. */
889 packet_seq = packet_entry = 1;
890 av_log(NULL, AV_LOG_WARNING,
891 "moov atom written before any packets, unable to write correct "
892 "dvc1 atom. Set the delay_moov flag to fix this.\n");
895 unescaped = av_mallocz(track->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
897 return AVERROR(ENOMEM);
898 start = find_next_marker(track->vos_data, end);
899 for (next = start; next < end; start = next) {
902 next = find_next_marker(start + 4, end);
903 size = next - start - 4;
906 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
907 init_get_bits(&gb, unescaped, 8 * unescaped_size);
908 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
909 int profile = get_bits(&gb, 2);
910 if (profile != PROFILE_ADVANCED) {
912 return AVERROR(ENOSYS);
915 level = get_bits(&gb, 3);
916 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
918 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
919 skip_bits(&gb, 1); /* broadcast */
920 interlace = get_bits1(&gb);
921 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
926 return AVERROR(ENOSYS);
929 init_put_bits(&pbc, buf, 7);
930 /* VC1DecSpecStruc */
931 put_bits(&pbc, 4, 12); /* profile - advanced */
932 put_bits(&pbc, 3, level);
933 put_bits(&pbc, 1, 0); /* reserved */
934 /* VC1AdvDecSpecStruc */
935 put_bits(&pbc, 3, level);
936 put_bits(&pbc, 1, 0); /* cbr */
937 put_bits(&pbc, 6, 0); /* reserved */
938 put_bits(&pbc, 1, !interlace); /* no interlace */
939 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
940 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
941 put_bits(&pbc, 1, !slices); /* no slice code */
942 put_bits(&pbc, 1, 0); /* no bframe */
943 put_bits(&pbc, 1, 0); /* reserved */
946 if (track->st->avg_frame_rate.num > 0 && track->st->avg_frame_rate.den > 0)
947 put_bits32(&pbc, track->st->avg_frame_rate.num / track->st->avg_frame_rate.den);
949 put_bits32(&pbc, 0xffffffff);
951 flush_put_bits(&pbc);
958 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
960 uint8_t buf[7] = { 0 };
963 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
966 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
967 ffio_wfourcc(pb, "dvc1");
968 avio_write(pb, buf, sizeof(buf));
969 avio_write(pb, track->vos_data, track->vos_len);
974 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
976 avio_wb32(pb, track->vos_len + 8);
977 ffio_wfourcc(pb, "glbl");
978 avio_write(pb, track->vos_data, track->vos_len);
979 return 8 + track->vos_len;
983 * Compute flags for 'lpcm' tag.
984 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
986 static int mov_get_lpcm_flags(enum AVCodecID codec_id)
989 case AV_CODEC_ID_PCM_F32BE:
990 case AV_CODEC_ID_PCM_F64BE:
992 case AV_CODEC_ID_PCM_F32LE:
993 case AV_CODEC_ID_PCM_F64LE:
995 case AV_CODEC_ID_PCM_U8:
997 case AV_CODEC_ID_PCM_S16BE:
998 case AV_CODEC_ID_PCM_S24BE:
999 case AV_CODEC_ID_PCM_S32BE:
1001 case AV_CODEC_ID_PCM_S8:
1002 case AV_CODEC_ID_PCM_S16LE:
1003 case AV_CODEC_ID_PCM_S24LE:
1004 case AV_CODEC_ID_PCM_S32LE:
1011 static int get_cluster_duration(MOVTrack *track, int cluster_idx)
1015 if (cluster_idx >= track->entry)
1018 if (cluster_idx + 1 == track->entry)
1019 next_dts = track->track_duration + track->start_dts;
1021 next_dts = track->cluster[cluster_idx + 1].dts;
1023 next_dts -= track->cluster[cluster_idx].dts;
1025 av_assert0(next_dts >= 0);
1026 av_assert0(next_dts <= INT_MAX);
1031 static int get_samples_per_packet(MOVTrack *track)
1033 int i, first_duration;
1035 // return track->par->frame_size;
1037 /* use 1 for raw PCM */
1038 if (!track->audio_vbr)
1041 /* check to see if duration is constant for all clusters */
1044 first_duration = get_cluster_duration(track, 0);
1045 for (i = 1; i < track->entry; i++) {
1046 if (get_cluster_duration(track, i) != first_duration)
1049 return first_duration;
1052 static int mov_write_audio_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
1054 int64_t pos = avio_tell(pb);
1056 uint32_t tag = track->tag;
1059 if (track->mode == MODE_MOV) {
1060 if (track->timescale > UINT16_MAX || !track->par->channels) {
1061 if (mov_get_lpcm_flags(track->par->codec_id))
1062 tag = AV_RL32("lpcm");
1064 } else if (track->audio_vbr || mov_pcm_le_gt16(track->par->codec_id) ||
1065 mov_pcm_be_gt16(track->par->codec_id) ||
1066 track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
1067 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
1068 track->par->codec_id == AV_CODEC_ID_QDM2) {
1073 avio_wb32(pb, 0); /* size */
1074 if (mov->encryption_scheme != MOV_ENC_NONE) {
1075 ffio_wfourcc(pb, "enca");
1077 avio_wl32(pb, tag); // store it byteswapped
1079 avio_wb32(pb, 0); /* Reserved */
1080 avio_wb16(pb, 0); /* Reserved */
1081 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
1083 /* SoundDescription */
1084 avio_wb16(pb, version); /* Version */
1085 avio_wb16(pb, 0); /* Revision level */
1086 avio_wb32(pb, 0); /* Reserved */
1091 avio_wb16(pb, 0xfffe);
1093 avio_wb32(pb, 0x00010000);
1095 avio_wb64(pb, av_double2int(track->par->sample_rate));
1096 avio_wb32(pb, track->par->channels);
1097 avio_wb32(pb, 0x7F000000);
1098 avio_wb32(pb, av_get_bits_per_sample(track->par->codec_id));
1099 avio_wb32(pb, mov_get_lpcm_flags(track->par->codec_id));
1100 avio_wb32(pb, track->sample_size);
1101 avio_wb32(pb, get_samples_per_packet(track));
1103 if (track->mode == MODE_MOV) {
1104 avio_wb16(pb, track->par->channels);
1105 if (track->par->codec_id == AV_CODEC_ID_PCM_U8 ||
1106 track->par->codec_id == AV_CODEC_ID_PCM_S8)
1107 avio_wb16(pb, 8); /* bits per sample */
1108 else if (track->par->codec_id == AV_CODEC_ID_ADPCM_G726)
1109 avio_wb16(pb, track->par->bits_per_coded_sample);
1112 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
1113 } else { /* reserved for mp4/3gp */
1114 if (track->par->codec_id == AV_CODEC_ID_FLAC ||
1115 track->par->codec_id == AV_CODEC_ID_ALAC ||
1116 track->par->codec_id == AV_CODEC_ID_OPUS) {
1117 avio_wb16(pb, track->par->channels);
1121 if (track->par->codec_id == AV_CODEC_ID_FLAC ||
1122 track->par->codec_id == AV_CODEC_ID_ALAC) {
1123 avio_wb16(pb, track->par->bits_per_raw_sample);
1130 avio_wb16(pb, 0); /* packet size (= 0) */
1131 if (track->par->codec_id == AV_CODEC_ID_OPUS)
1132 avio_wb16(pb, 48000);
1133 else if (track->par->codec_id == AV_CODEC_ID_TRUEHD)
1134 avio_wb32(pb, track->par->sample_rate);
1136 avio_wb16(pb, track->par->sample_rate <= UINT16_MAX ?
1137 track->par->sample_rate : 0);
1139 if (track->par->codec_id != AV_CODEC_ID_TRUEHD)
1140 avio_wb16(pb, 0); /* Reserved */
1143 if (version == 1) { /* SoundDescription V1 extended info */
1144 if (mov_pcm_le_gt16(track->par->codec_id) ||
1145 mov_pcm_be_gt16(track->par->codec_id))
1146 avio_wb32(pb, 1); /* must be 1 for uncompressed formats */
1148 avio_wb32(pb, track->par->frame_size); /* Samples per packet */
1149 avio_wb32(pb, track->sample_size / track->par->channels); /* Bytes per packet */
1150 avio_wb32(pb, track->sample_size); /* Bytes per frame */
1151 avio_wb32(pb, 2); /* Bytes per sample */
1154 if (track->mode == MODE_MOV &&
1155 (track->par->codec_id == AV_CODEC_ID_AAC ||
1156 track->par->codec_id == AV_CODEC_ID_AC3 ||
1157 track->par->codec_id == AV_CODEC_ID_EAC3 ||
1158 track->par->codec_id == AV_CODEC_ID_AMR_NB ||
1159 track->par->codec_id == AV_CODEC_ID_ALAC ||
1160 track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
1161 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
1162 track->par->codec_id == AV_CODEC_ID_QDM2 ||
1163 (mov_pcm_le_gt16(track->par->codec_id) && version==1) ||
1164 (mov_pcm_be_gt16(track->par->codec_id) && version==1)))
1165 ret = mov_write_wave_tag(s, pb, track);
1166 else if (track->tag == MKTAG('m','p','4','a'))
1167 ret = mov_write_esds_tag(pb, track);
1168 else if (track->par->codec_id == AV_CODEC_ID_AMR_NB)
1169 ret = mov_write_amr_tag(pb, track);
1170 else if (track->par->codec_id == AV_CODEC_ID_AC3)
1171 ret = mov_write_ac3_tag(s, pb, track);
1172 else if (track->par->codec_id == AV_CODEC_ID_EAC3)
1173 ret = mov_write_eac3_tag(s, pb, track);
1174 else if (track->par->codec_id == AV_CODEC_ID_ALAC)
1175 ret = mov_write_extradata_tag(pb, track);
1176 else if (track->par->codec_id == AV_CODEC_ID_WMAPRO)
1177 ret = mov_write_wfex_tag(s, pb, track);
1178 else if (track->par->codec_id == AV_CODEC_ID_FLAC)
1179 ret = mov_write_dfla_tag(pb, track);
1180 else if (track->par->codec_id == AV_CODEC_ID_OPUS)
1181 ret = mov_write_dops_tag(s, pb, track);
1182 else if (track->par->codec_id == AV_CODEC_ID_TRUEHD)
1183 ret = mov_write_dmlp_tag(s, pb, track);
1184 else if (track->vos_len > 0)
1185 ret = mov_write_glbl_tag(pb, track);
1190 if (track->mode == MODE_MOV && track->par->codec_type == AVMEDIA_TYPE_AUDIO
1191 && ((ret = mov_write_chan_tag(s, pb, track)) < 0)) {
1195 if (mov->encryption_scheme != MOV_ENC_NONE
1196 && ((ret = ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid)) < 0)) {
1200 ret = update_size(pb, pos);
1204 static int mov_write_d263_tag(AVIOContext *pb)
1206 avio_wb32(pb, 0xf); /* size */
1207 ffio_wfourcc(pb, "d263");
1208 ffio_wfourcc(pb, "FFMP");
1209 avio_w8(pb, 0); /* decoder version */
1210 /* FIXME use AVCodecContext level/profile, when encoder will set values */
1211 avio_w8(pb, 0xa); /* level */
1212 avio_w8(pb, 0); /* profile */
1216 static int mov_write_av1c_tag(AVIOContext *pb, MOVTrack *track)
1218 int64_t pos = avio_tell(pb);
1221 ffio_wfourcc(pb, "av1C");
1222 ff_isom_write_av1c(pb, track->vos_data, track->vos_len);
1223 return update_size(pb, pos);
1226 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
1228 int64_t pos = avio_tell(pb);
1231 ffio_wfourcc(pb, "avcC");
1232 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
1233 return update_size(pb, pos);
1236 static int mov_write_vpcc_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
1238 int64_t pos = avio_tell(pb);
1241 ffio_wfourcc(pb, "vpcC");
1242 avio_w8(pb, 1); /* version */
1243 avio_wb24(pb, 0); /* flags */
1244 ff_isom_write_vpcc(s, pb, track->par);
1245 return update_size(pb, pos);
1248 static int mov_write_hvcc_tag(AVIOContext *pb, MOVTrack *track)
1250 int64_t pos = avio_tell(pb);
1253 ffio_wfourcc(pb, "hvcC");
1254 if (track->tag == MKTAG('h','v','c','1'))
1255 ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 1);
1257 ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 0);
1258 return update_size(pb, pos);
1261 /* also used by all avid codecs (dv, imx, meridien) and their variants */
1262 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
1267 int display_width = track->par->width;
1269 if (track->vos_data && track->vos_len > 0x29) {
1270 if (ff_dnxhd_parse_header_prefix(track->vos_data) != 0) {
1271 /* looks like a DNxHD bit stream */
1272 interlaced = (track->vos_data[5] & 2);
1273 cid = AV_RB32(track->vos_data + 0x28);
1275 av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream in vos_data\n");
1279 av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream, vos_data too small\n");
1283 avio_wb32(pb, 24); /* size */
1284 ffio_wfourcc(pb, "ACLR");
1285 ffio_wfourcc(pb, "ACLR");
1286 ffio_wfourcc(pb, "0001");
1287 if (track->par->color_range == AVCOL_RANGE_MPEG || /* Legal range (16-235) */
1288 track->par->color_range == AVCOL_RANGE_UNSPECIFIED) {
1289 avio_wb32(pb, 1); /* Corresponds to 709 in official encoder */
1290 } else { /* Full range (0-255) */
1291 avio_wb32(pb, 2); /* Corresponds to RGB in official encoder */
1293 avio_wb32(pb, 0); /* unknown */
1295 if (track->tag == MKTAG('A','V','d','h')) {
1297 ffio_wfourcc(pb, "ADHR");
1298 ffio_wfourcc(pb, "0001");
1300 avio_wb32(pb, 0); /* unknown */
1301 avio_wb32(pb, 1); /* unknown */
1302 avio_wb32(pb, 0); /* unknown */
1303 avio_wb32(pb, 0); /* unknown */
1307 avio_wb32(pb, 24); /* size */
1308 ffio_wfourcc(pb, "APRG");
1309 ffio_wfourcc(pb, "APRG");
1310 ffio_wfourcc(pb, "0001");
1311 avio_wb32(pb, 1); /* unknown */
1312 avio_wb32(pb, 0); /* unknown */
1314 avio_wb32(pb, 120); /* size */
1315 ffio_wfourcc(pb, "ARES");
1316 ffio_wfourcc(pb, "ARES");
1317 ffio_wfourcc(pb, "0001");
1318 avio_wb32(pb, cid); /* dnxhd cid, some id ? */
1319 if ( track->par->sample_aspect_ratio.num > 0
1320 && track->par->sample_aspect_ratio.den > 0)
1321 display_width = display_width * track->par->sample_aspect_ratio.num / track->par->sample_aspect_ratio.den;
1322 avio_wb32(pb, display_width);
1323 /* values below are based on samples created with quicktime and avid codecs */
1325 avio_wb32(pb, track->par->height / 2);
1326 avio_wb32(pb, 2); /* unknown */
1327 avio_wb32(pb, 0); /* unknown */
1328 avio_wb32(pb, 4); /* unknown */
1330 avio_wb32(pb, track->par->height);
1331 avio_wb32(pb, 1); /* unknown */
1332 avio_wb32(pb, 0); /* unknown */
1333 if (track->par->height == 1080)
1334 avio_wb32(pb, 5); /* unknown */
1336 avio_wb32(pb, 6); /* unknown */
1339 for (i = 0; i < 10; i++)
1345 static int mov_write_dpxe_tag(AVIOContext *pb, MOVTrack *track)
1348 ffio_wfourcc(pb, "DpxE");
1349 if (track->par->extradata_size >= 12 &&
1350 !memcmp(&track->par->extradata[4], "DpxE", 4)) {
1351 avio_wb32(pb, track->par->extradata[11]);
1358 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
1362 if (track->par->width == 720) { /* SD */
1363 if (track->par->height == 480) { /* NTSC */
1364 if (track->par->format == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
1365 else tag = MKTAG('d','v','c',' ');
1366 }else if (track->par->format == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
1367 else if (track->par->format == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
1368 else tag = MKTAG('d','v','p','p');
1369 } else if (track->par->height == 720) { /* HD 720 line */
1370 if (track->st->time_base.den == 50) tag = MKTAG('d','v','h','q');
1371 else tag = MKTAG('d','v','h','p');
1372 } else if (track->par->height == 1080) { /* HD 1080 line */
1373 if (track->st->time_base.den == 25) tag = MKTAG('d','v','h','5');
1374 else tag = MKTAG('d','v','h','6');
1376 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
1383 static AVRational find_fps(AVFormatContext *s, AVStream *st)
1385 AVRational rate = st->avg_frame_rate;
1387 #if FF_API_LAVF_AVCTX
1388 FF_DISABLE_DEPRECATION_WARNINGS
1389 rate = av_inv_q(st->codec->time_base);
1390 if (av_timecode_check_frame_rate(rate) < 0) {
1391 av_log(s, AV_LOG_DEBUG, "timecode: tbc=%d/%d invalid, fallback on %d/%d\n",
1392 rate.num, rate.den, st->avg_frame_rate.num, st->avg_frame_rate.den);
1393 rate = st->avg_frame_rate;
1395 FF_ENABLE_DEPRECATION_WARNINGS
1401 static int defined_frame_rate(AVFormatContext *s, AVStream *st)
1403 AVRational rational_framerate = find_fps(s, st);
1405 if (rational_framerate.den != 0)
1406 rate = av_q2d(rational_framerate);
1410 static int mov_get_mpeg2_xdcam_codec_tag(AVFormatContext *s, MOVTrack *track)
1412 int tag = track->par->codec_tag;
1413 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1414 AVStream *st = track->st;
1415 int rate = defined_frame_rate(s, st);
1418 tag = MKTAG('m', '2', 'v', '1'); //fallback tag
1420 if (track->par->format == AV_PIX_FMT_YUV420P) {
1421 if (track->par->width == 1280 && track->par->height == 720) {
1423 if (rate == 24) tag = MKTAG('x','d','v','4');
1424 else if (rate == 25) tag = MKTAG('x','d','v','5');
1425 else if (rate == 30) tag = MKTAG('x','d','v','1');
1426 else if (rate == 50) tag = MKTAG('x','d','v','a');
1427 else if (rate == 60) tag = MKTAG('x','d','v','9');
1429 } else if (track->par->width == 1440 && track->par->height == 1080) {
1431 if (rate == 24) tag = MKTAG('x','d','v','6');
1432 else if (rate == 25) tag = MKTAG('x','d','v','7');
1433 else if (rate == 30) tag = MKTAG('x','d','v','8');
1435 if (rate == 25) tag = MKTAG('x','d','v','3');
1436 else if (rate == 30) tag = MKTAG('x','d','v','2');
1438 } else if (track->par->width == 1920 && track->par->height == 1080) {
1440 if (rate == 24) tag = MKTAG('x','d','v','d');
1441 else if (rate == 25) tag = MKTAG('x','d','v','e');
1442 else if (rate == 30) tag = MKTAG('x','d','v','f');
1444 if (rate == 25) tag = MKTAG('x','d','v','c');
1445 else if (rate == 30) tag = MKTAG('x','d','v','b');
1448 } else if (track->par->format == AV_PIX_FMT_YUV422P) {
1449 if (track->par->width == 1280 && track->par->height == 720) {
1451 if (rate == 24) tag = MKTAG('x','d','5','4');
1452 else if (rate == 25) tag = MKTAG('x','d','5','5');
1453 else if (rate == 30) tag = MKTAG('x','d','5','1');
1454 else if (rate == 50) tag = MKTAG('x','d','5','a');
1455 else if (rate == 60) tag = MKTAG('x','d','5','9');
1457 } else if (track->par->width == 1920 && track->par->height == 1080) {
1459 if (rate == 24) tag = MKTAG('x','d','5','d');
1460 else if (rate == 25) tag = MKTAG('x','d','5','e');
1461 else if (rate == 30) tag = MKTAG('x','d','5','f');
1463 if (rate == 25) tag = MKTAG('x','d','5','c');
1464 else if (rate == 30) tag = MKTAG('x','d','5','b');
1472 static int mov_get_h264_codec_tag(AVFormatContext *s, MOVTrack *track)
1474 int tag = track->par->codec_tag;
1475 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1476 AVStream *st = track->st;
1477 int rate = defined_frame_rate(s, st);
1480 tag = MKTAG('a', 'v', 'c', 'i'); //fallback tag
1482 if (track->par->format == AV_PIX_FMT_YUV420P10) {
1483 if (track->par->width == 960 && track->par->height == 720) {
1485 if (rate == 24) tag = MKTAG('a','i','5','p');
1486 else if (rate == 25) tag = MKTAG('a','i','5','q');
1487 else if (rate == 30) tag = MKTAG('a','i','5','p');
1488 else if (rate == 50) tag = MKTAG('a','i','5','q');
1489 else if (rate == 60) tag = MKTAG('a','i','5','p');
1491 } else if (track->par->width == 1440 && track->par->height == 1080) {
1493 if (rate == 24) tag = MKTAG('a','i','5','3');
1494 else if (rate == 25) tag = MKTAG('a','i','5','2');
1495 else if (rate == 30) tag = MKTAG('a','i','5','3');
1497 if (rate == 50) tag = MKTAG('a','i','5','5');
1498 else if (rate == 60) tag = MKTAG('a','i','5','6');
1501 } else if (track->par->format == AV_PIX_FMT_YUV422P10) {
1502 if (track->par->width == 1280 && track->par->height == 720) {
1504 if (rate == 24) tag = MKTAG('a','i','1','p');
1505 else if (rate == 25) tag = MKTAG('a','i','1','q');
1506 else if (rate == 30) tag = MKTAG('a','i','1','p');
1507 else if (rate == 50) tag = MKTAG('a','i','1','q');
1508 else if (rate == 60) tag = MKTAG('a','i','1','p');
1510 } else if (track->par->width == 1920 && track->par->height == 1080) {
1512 if (rate == 24) tag = MKTAG('a','i','1','3');
1513 else if (rate == 25) tag = MKTAG('a','i','1','2');
1514 else if (rate == 30) tag = MKTAG('a','i','1','3');
1516 if (rate == 25) tag = MKTAG('a','i','1','5');
1517 else if (rate == 50) tag = MKTAG('a','i','1','5');
1518 else if (rate == 60) tag = MKTAG('a','i','1','6');
1520 } else if ( track->par->width == 4096 && track->par->height == 2160
1521 || track->par->width == 3840 && track->par->height == 2160
1522 || track->par->width == 2048 && track->par->height == 1080) {
1523 tag = MKTAG('a','i','v','x');
1530 static const struct {
1531 enum AVPixelFormat pix_fmt;
1534 } mov_pix_fmt_tags[] = {
1535 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','2'), 0 },
1536 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
1537 { AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
1538 { AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
1539 { AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
1540 { AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
1541 { AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
1542 { AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
1543 { AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
1544 { AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
1545 { AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
1546 { AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
1547 { AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
1548 { AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
1549 { AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
1552 static int mov_get_dnxhd_codec_tag(AVFormatContext *s, MOVTrack *track)
1554 int tag = MKTAG('A','V','d','n');
1555 if (track->par->profile != FF_PROFILE_UNKNOWN &&
1556 track->par->profile != FF_PROFILE_DNXHD)
1557 tag = MKTAG('A','V','d','h');
1561 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
1563 int tag = track->par->codec_tag;
1565 enum AVPixelFormat pix_fmt;
1567 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
1568 if (track->par->format == mov_pix_fmt_tags[i].pix_fmt) {
1569 tag = mov_pix_fmt_tags[i].tag;
1570 track->par->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
1571 if (track->par->codec_tag == mov_pix_fmt_tags[i].tag)
1576 pix_fmt = avpriv_find_pix_fmt(avpriv_pix_fmt_bps_mov,
1577 track->par->bits_per_coded_sample);
1578 if (tag == MKTAG('r','a','w',' ') &&
1579 track->par->format != pix_fmt &&
1580 track->par->format != AV_PIX_FMT_GRAY8 &&
1581 track->par->format != AV_PIX_FMT_NONE)
1582 av_log(s, AV_LOG_ERROR, "%s rawvideo cannot be written to mov, output file will be unreadable\n",
1583 av_get_pix_fmt_name(track->par->format));
1587 static unsigned int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1589 unsigned int tag = track->par->codec_tag;
1591 if (!tag || (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
1592 (track->par->codec_id == AV_CODEC_ID_DVVIDEO ||
1593 track->par->codec_id == AV_CODEC_ID_RAWVIDEO ||
1594 track->par->codec_id == AV_CODEC_ID_H263 ||
1595 track->par->codec_id == AV_CODEC_ID_H264 ||
1596 track->par->codec_id == AV_CODEC_ID_DNXHD ||
1597 track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO ||
1598 av_get_bits_per_sample(track->par->codec_id)))) { // pcm audio
1599 if (track->par->codec_id == AV_CODEC_ID_DVVIDEO)
1600 tag = mov_get_dv_codec_tag(s, track);
1601 else if (track->par->codec_id == AV_CODEC_ID_RAWVIDEO)
1602 tag = mov_get_rawvideo_codec_tag(s, track);
1603 else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO)
1604 tag = mov_get_mpeg2_xdcam_codec_tag(s, track);
1605 else if (track->par->codec_id == AV_CODEC_ID_H264)
1606 tag = mov_get_h264_codec_tag(s, track);
1607 else if (track->par->codec_id == AV_CODEC_ID_DNXHD)
1608 tag = mov_get_dnxhd_codec_tag(s, track);
1609 else if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
1610 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->par->codec_id);
1611 if (!tag) { // if no mac fcc found, try with Microsoft tags
1612 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->par->codec_id);
1614 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
1615 "the file may be unplayable!\n");
1617 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
1618 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->par->codec_id);
1619 if (!tag) { // if no mac fcc found, try with Microsoft tags
1620 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->par->codec_id);
1622 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
1623 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
1624 "the file may be unplayable!\n");
1627 } else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)
1628 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->par->codec_id);
1634 static const AVCodecTag codec_cover_image_tags[] = {
1635 { AV_CODEC_ID_MJPEG, 0xD },
1636 { AV_CODEC_ID_PNG, 0xE },
1637 { AV_CODEC_ID_BMP, 0x1B },
1638 { AV_CODEC_ID_NONE, 0 },
1641 static unsigned int validate_codec_tag(const AVCodecTag *const *tags,
1642 unsigned int tag, int codec_id)
1647 * Check that tag + id is in the table
1649 for (i = 0; tags && tags[i]; i++) {
1650 const AVCodecTag *codec_tags = tags[i];
1651 while (codec_tags->id != AV_CODEC_ID_NONE) {
1652 if (avpriv_toupper4(codec_tags->tag) == avpriv_toupper4(tag) &&
1653 codec_tags->id == codec_id)
1654 return codec_tags->tag;
1661 static unsigned int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
1663 if (is_cover_image(track->st))
1664 return ff_codec_get_tag(codec_cover_image_tags, track->par->codec_id);
1666 if (track->mode == MODE_IPOD)
1667 if (!av_match_ext(s->url, "m4a") &&
1668 !av_match_ext(s->url, "m4v") &&
1669 !av_match_ext(s->url, "m4b"))
1670 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
1671 "Quicktime/Ipod might not play the file\n");
1673 if (track->mode == MODE_MOV) {
1674 return mov_get_codec_tag(s, track);
1676 return validate_codec_tag(s->oformat->codec_tag, track->par->codec_tag,
1677 track->par->codec_id);
1680 /** Write uuid atom.
1681 * Needed to make file play in iPods running newest firmware
1682 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
1684 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
1687 ffio_wfourcc(pb, "uuid");
1688 avio_wb32(pb, 0x6b6840f2);
1689 avio_wb32(pb, 0x5f244fc5);
1690 avio_wb32(pb, 0xba39a51b);
1691 avio_wb32(pb, 0xcf0323f3);
1696 static const uint16_t fiel_data[] = {
1697 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
1700 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track, int field_order)
1702 unsigned mov_field_order = 0;
1703 if (field_order < FF_ARRAY_ELEMS(fiel_data))
1704 mov_field_order = fiel_data[field_order];
1708 ffio_wfourcc(pb, "fiel");
1709 avio_wb16(pb, mov_field_order);
1713 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
1715 int64_t pos = avio_tell(pb);
1716 avio_wb32(pb, 0); /* size */
1717 avio_wl32(pb, track->tag); // store it byteswapped
1718 avio_wb32(pb, 0); /* Reserved */
1719 avio_wb16(pb, 0); /* Reserved */
1720 avio_wb16(pb, 1); /* Data-reference index */
1722 if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
1723 mov_write_esds_tag(pb, track);
1724 else if (track->par->extradata_size)
1725 avio_write(pb, track->par->extradata, track->par->extradata_size);
1727 return update_size(pb, pos);
1730 static int mov_write_st3d_tag(AVFormatContext *s, AVIOContext *pb, AVStereo3D *stereo_3d)
1734 if (stereo_3d->flags != 0) {
1735 av_log(s, AV_LOG_WARNING, "Unsupported stereo_3d flags %x. st3d not written.\n", stereo_3d->flags);
1739 switch (stereo_3d->type) {
1740 case AV_STEREO3D_2D:
1743 case AV_STEREO3D_TOPBOTTOM:
1746 case AV_STEREO3D_SIDEBYSIDE:
1750 av_log(s, AV_LOG_WARNING, "Unsupported stereo_3d type %s. st3d not written.\n", av_stereo3d_type_name(stereo_3d->type));
1753 avio_wb32(pb, 13); /* size */
1754 ffio_wfourcc(pb, "st3d");
1755 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1756 avio_w8(pb, stereo_mode);
1760 static int mov_write_sv3d_tag(AVFormatContext *s, AVIOContext *pb, AVSphericalMapping *spherical_mapping)
1762 int64_t sv3d_pos, svhd_pos, proj_pos;
1763 const char* metadata_source = s->flags & AVFMT_FLAG_BITEXACT ? "Lavf" : LIBAVFORMAT_IDENT;
1765 if (spherical_mapping->projection != AV_SPHERICAL_EQUIRECTANGULAR &&
1766 spherical_mapping->projection != AV_SPHERICAL_EQUIRECTANGULAR_TILE &&
1767 spherical_mapping->projection != AV_SPHERICAL_CUBEMAP) {
1768 av_log(s, AV_LOG_WARNING, "Unsupported projection %d. sv3d not written.\n", spherical_mapping->projection);
1772 sv3d_pos = avio_tell(pb);
1773 avio_wb32(pb, 0); /* size */
1774 ffio_wfourcc(pb, "sv3d");
1776 svhd_pos = avio_tell(pb);
1777 avio_wb32(pb, 0); /* size */
1778 ffio_wfourcc(pb, "svhd");
1779 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1780 avio_put_str(pb, metadata_source);
1781 update_size(pb, svhd_pos);
1783 proj_pos = avio_tell(pb);
1784 avio_wb32(pb, 0); /* size */
1785 ffio_wfourcc(pb, "proj");
1787 avio_wb32(pb, 24); /* size */
1788 ffio_wfourcc(pb, "prhd");
1789 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1790 avio_wb32(pb, spherical_mapping->yaw);
1791 avio_wb32(pb, spherical_mapping->pitch);
1792 avio_wb32(pb, spherical_mapping->roll);
1794 switch (spherical_mapping->projection) {
1795 case AV_SPHERICAL_EQUIRECTANGULAR:
1796 case AV_SPHERICAL_EQUIRECTANGULAR_TILE:
1797 avio_wb32(pb, 28); /* size */
1798 ffio_wfourcc(pb, "equi");
1799 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1800 avio_wb32(pb, spherical_mapping->bound_top);
1801 avio_wb32(pb, spherical_mapping->bound_bottom);
1802 avio_wb32(pb, spherical_mapping->bound_left);
1803 avio_wb32(pb, spherical_mapping->bound_right);
1805 case AV_SPHERICAL_CUBEMAP:
1806 avio_wb32(pb, 20); /* size */
1807 ffio_wfourcc(pb, "cbmp");
1808 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1809 avio_wb32(pb, 0); /* layout */
1810 avio_wb32(pb, spherical_mapping->padding); /* padding */
1813 update_size(pb, proj_pos);
1815 return update_size(pb, sv3d_pos);
1818 static int mov_write_clap_tag(AVIOContext *pb, MOVTrack *track)
1821 ffio_wfourcc(pb, "clap");
1822 avio_wb32(pb, track->par->width); /* apertureWidth_N */
1823 avio_wb32(pb, 1); /* apertureWidth_D (= 1) */
1824 avio_wb32(pb, track->height); /* apertureHeight_N */
1825 avio_wb32(pb, 1); /* apertureHeight_D (= 1) */
1826 avio_wb32(pb, 0); /* horizOff_N (= 0) */
1827 avio_wb32(pb, 1); /* horizOff_D (= 1) */
1828 avio_wb32(pb, 0); /* vertOff_N (= 0) */
1829 avio_wb32(pb, 1); /* vertOff_D (= 1) */
1833 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
1836 av_reduce(&sar.num, &sar.den, track->par->sample_aspect_ratio.num,
1837 track->par->sample_aspect_ratio.den, INT_MAX);
1840 ffio_wfourcc(pb, "pasp");
1841 avio_wb32(pb, sar.num);
1842 avio_wb32(pb, sar.den);
1846 static int mov_write_gama_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track, double gamma)
1850 gamma = avpriv_get_gamma_from_trc(track->par->color_trc);
1852 av_log(s, AV_LOG_DEBUG, "gamma value %g\n", gamma);
1855 gama = (uint32_t)lrint((double)(1<<16) * gamma);
1856 av_log(s, AV_LOG_DEBUG, "writing gama value %"PRId32"\n", gama);
1858 av_assert0(track->mode == MODE_MOV);
1860 ffio_wfourcc(pb, "gama");
1861 avio_wb32(pb, gama);
1864 av_log(s, AV_LOG_WARNING, "gamma value unknown, unable to write gama atom\n");
1869 static int mov_write_colr_tag(AVIOContext *pb, MOVTrack *track)
1871 int64_t pos = avio_tell(pb);
1873 // Ref (MOV): https://developer.apple.com/library/mac/technotes/tn2162/_index.html#//apple_ref/doc/uid/DTS40013070-CH1-TNTAG9
1874 // Ref (MP4): ISO/IEC 14496-12:2012
1876 if (track->par->color_primaries == AVCOL_PRI_UNSPECIFIED &&
1877 track->par->color_trc == AVCOL_TRC_UNSPECIFIED &&
1878 track->par->color_space == AVCOL_SPC_UNSPECIFIED) {
1879 if ((track->par->width >= 1920 && track->par->height >= 1080)
1880 || (track->par->width == 1280 && track->par->height == 720)) {
1881 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming bt709\n");
1882 track->par->color_primaries = AVCOL_PRI_BT709;
1883 } else if (track->par->width == 720 && track->height == 576) {
1884 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming bt470bg\n");
1885 track->par->color_primaries = AVCOL_PRI_BT470BG;
1886 } else if (track->par->width == 720 &&
1887 (track->height == 486 || track->height == 480)) {
1888 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming smpte170\n");
1889 track->par->color_primaries = AVCOL_PRI_SMPTE170M;
1891 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, unable to assume anything\n");
1893 switch (track->par->color_primaries) {
1894 case AVCOL_PRI_BT709:
1895 track->par->color_trc = AVCOL_TRC_BT709;
1896 track->par->color_space = AVCOL_SPC_BT709;
1898 case AVCOL_PRI_SMPTE170M:
1899 case AVCOL_PRI_BT470BG:
1900 track->par->color_trc = AVCOL_TRC_BT709;
1901 track->par->color_space = AVCOL_SPC_SMPTE170M;
1906 /* We should only ever be called by MOV or MP4. */
1907 av_assert0(track->mode == MODE_MOV || track->mode == MODE_MP4);
1909 avio_wb32(pb, 0); /* size */
1910 ffio_wfourcc(pb, "colr");
1911 if (track->mode == MODE_MP4)
1912 ffio_wfourcc(pb, "nclx");
1914 ffio_wfourcc(pb, "nclc");
1915 switch (track->par->color_primaries) {
1916 case AVCOL_PRI_BT709: avio_wb16(pb, 1); break;
1917 case AVCOL_PRI_BT470BG: avio_wb16(pb, 5); break;
1918 case AVCOL_PRI_SMPTE170M:
1919 case AVCOL_PRI_SMPTE240M: avio_wb16(pb, 6); break;
1920 case AVCOL_PRI_BT2020: avio_wb16(pb, 9); break;
1921 case AVCOL_PRI_SMPTE431: avio_wb16(pb, 11); break;
1922 case AVCOL_PRI_SMPTE432: avio_wb16(pb, 12); break;
1923 default: avio_wb16(pb, 2);
1925 switch (track->par->color_trc) {
1926 case AVCOL_TRC_BT709: avio_wb16(pb, 1); break;
1927 case AVCOL_TRC_SMPTE170M: avio_wb16(pb, 1); break; // remapped
1928 case AVCOL_TRC_SMPTE240M: avio_wb16(pb, 7); break;
1929 case AVCOL_TRC_SMPTEST2084: avio_wb16(pb, 16); break;
1930 case AVCOL_TRC_SMPTE428: avio_wb16(pb, 17); break;
1931 case AVCOL_TRC_ARIB_STD_B67: avio_wb16(pb, 18); break;
1932 default: avio_wb16(pb, 2);
1934 switch (track->par->color_space) {
1935 case AVCOL_SPC_BT709: avio_wb16(pb, 1); break;
1936 case AVCOL_SPC_BT470BG:
1937 case AVCOL_SPC_SMPTE170M: avio_wb16(pb, 6); break;
1938 case AVCOL_SPC_SMPTE240M: avio_wb16(pb, 7); break;
1939 case AVCOL_SPC_BT2020_NCL: avio_wb16(pb, 9); break;
1940 default: avio_wb16(pb, 2);
1943 if (track->mode == MODE_MP4) {
1944 int full_range = track->par->color_range == AVCOL_RANGE_JPEG;
1945 avio_w8(pb, full_range << 7);
1948 return update_size(pb, pos);
1951 static void find_compressor(char * compressor_name, int len, MOVTrack *track)
1953 AVDictionaryEntry *encoder;
1954 int xdcam_res = (track->par->width == 1280 && track->par->height == 720)
1955 || (track->par->width == 1440 && track->par->height == 1080)
1956 || (track->par->width == 1920 && track->par->height == 1080);
1958 if (track->mode == MODE_MOV &&
1959 (encoder = av_dict_get(track->st->metadata, "encoder", NULL, 0))) {
1960 av_strlcpy(compressor_name, encoder->value, 32);
1961 } else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO && xdcam_res) {
1962 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1963 AVStream *st = track->st;
1964 int rate = defined_frame_rate(NULL, st);
1965 av_strlcatf(compressor_name, len, "XDCAM");
1966 if (track->par->format == AV_PIX_FMT_YUV422P) {
1967 av_strlcatf(compressor_name, len, " HD422");
1968 } else if(track->par->width == 1440) {
1969 av_strlcatf(compressor_name, len, " HD");
1971 av_strlcatf(compressor_name, len, " EX");
1973 av_strlcatf(compressor_name, len, " %d%c", track->par->height, interlaced ? 'i' : 'p');
1975 av_strlcatf(compressor_name, len, "%d", rate * (interlaced + 1));
1979 static int mov_write_video_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
1981 int64_t pos = avio_tell(pb);
1982 char compressor_name[32] = { 0 };
1985 int uncompressed_ycbcr = ((track->par->codec_id == AV_CODEC_ID_RAWVIDEO && track->par->format == AV_PIX_FMT_UYVY422)
1986 || (track->par->codec_id == AV_CODEC_ID_RAWVIDEO && track->par->format == AV_PIX_FMT_YUYV422)
1987 || track->par->codec_id == AV_CODEC_ID_V308
1988 || track->par->codec_id == AV_CODEC_ID_V408
1989 || track->par->codec_id == AV_CODEC_ID_V410
1990 || track->par->codec_id == AV_CODEC_ID_V210);
1992 avio_wb32(pb, 0); /* size */
1993 if (mov->encryption_scheme != MOV_ENC_NONE) {
1994 ffio_wfourcc(pb, "encv");
1996 avio_wl32(pb, track->tag); // store it byteswapped
1998 avio_wb32(pb, 0); /* Reserved */
1999 avio_wb16(pb, 0); /* Reserved */
2000 avio_wb16(pb, 1); /* Data-reference index */
2002 if (uncompressed_ycbcr) {
2003 avio_wb16(pb, 2); /* Codec stream version */
2005 avio_wb16(pb, 0); /* Codec stream version */
2007 avio_wb16(pb, 0); /* Codec stream revision (=0) */
2008 if (track->mode == MODE_MOV) {
2009 ffio_wfourcc(pb, "FFMP"); /* Vendor */
2010 if (track->par->codec_id == AV_CODEC_ID_RAWVIDEO || uncompressed_ycbcr) {
2011 avio_wb32(pb, 0); /* Temporal Quality */
2012 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
2014 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
2015 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
2018 avio_wb32(pb, 0); /* Reserved */
2019 avio_wb32(pb, 0); /* Reserved */
2020 avio_wb32(pb, 0); /* Reserved */
2022 avio_wb16(pb, track->par->width); /* Video width */
2023 avio_wb16(pb, track->height); /* Video height */
2024 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
2025 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
2026 avio_wb32(pb, 0); /* Data size (= 0) */
2027 avio_wb16(pb, 1); /* Frame count (= 1) */
2029 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
2030 find_compressor(compressor_name, 32, track);
2031 avio_w8(pb, strlen(compressor_name));
2032 avio_write(pb, compressor_name, 31);
2034 if (track->mode == MODE_MOV &&
2035 (track->par->codec_id == AV_CODEC_ID_V410 || track->par->codec_id == AV_CODEC_ID_V210))
2036 avio_wb16(pb, 0x18);
2037 else if (track->mode == MODE_MOV && track->par->bits_per_coded_sample)
2038 avio_wb16(pb, track->par->bits_per_coded_sample |
2039 (track->par->format == AV_PIX_FMT_GRAY8 ? 0x20 : 0));
2041 avio_wb16(pb, 0x18); /* Reserved */
2043 if (track->mode == MODE_MOV && track->par->format == AV_PIX_FMT_PAL8) {
2044 int pal_size = 1 << track->par->bits_per_coded_sample;
2046 avio_wb16(pb, 0); /* Color table ID */
2047 avio_wb32(pb, 0); /* Color table seed */
2048 avio_wb16(pb, 0x8000); /* Color table flags */
2049 avio_wb16(pb, pal_size - 1); /* Color table size (zero-relative) */
2050 for (i = 0; i < pal_size; i++) {
2051 uint32_t rgb = track->palette[i];
2052 uint16_t r = (rgb >> 16) & 0xff;
2053 uint16_t g = (rgb >> 8) & 0xff;
2054 uint16_t b = rgb & 0xff;
2056 avio_wb16(pb, (r << 8) | r);
2057 avio_wb16(pb, (g << 8) | g);
2058 avio_wb16(pb, (b << 8) | b);
2061 avio_wb16(pb, 0xffff); /* Reserved */
2063 if (track->tag == MKTAG('m','p','4','v'))
2064 mov_write_esds_tag(pb, track);
2065 else if (track->par->codec_id == AV_CODEC_ID_H263)
2066 mov_write_d263_tag(pb);
2067 else if (track->par->codec_id == AV_CODEC_ID_AVUI ||
2068 track->par->codec_id == AV_CODEC_ID_SVQ3) {
2069 mov_write_extradata_tag(pb, track);
2071 } else if (track->par->codec_id == AV_CODEC_ID_DNXHD) {
2072 mov_write_avid_tag(pb, track);
2074 } else if (track->par->codec_id == AV_CODEC_ID_HEVC)
2075 mov_write_hvcc_tag(pb, track);
2076 else if (track->par->codec_id == AV_CODEC_ID_H264 && !TAG_IS_AVCI(track->tag)) {
2077 mov_write_avcc_tag(pb, track);
2078 if (track->mode == MODE_IPOD)
2079 mov_write_uuid_tag_ipod(pb);
2080 } else if (track->par->codec_id == AV_CODEC_ID_VP9) {
2081 mov_write_vpcc_tag(mov->fc, pb, track);
2082 } else if (track->par->codec_id == AV_CODEC_ID_AV1) {
2083 mov_write_av1c_tag(pb, track);
2084 } else if (track->par->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
2085 mov_write_dvc1_tag(pb, track);
2086 else if (track->par->codec_id == AV_CODEC_ID_VP6F ||
2087 track->par->codec_id == AV_CODEC_ID_VP6A) {
2088 /* Don't write any potential extradata here - the cropping
2089 * is signalled via the normal width/height fields. */
2090 } else if (track->par->codec_id == AV_CODEC_ID_R10K) {
2091 if (track->par->codec_tag == MKTAG('R','1','0','k'))
2092 mov_write_dpxe_tag(pb, track);
2093 } else if (track->vos_len > 0)
2094 mov_write_glbl_tag(pb, track);
2096 if (track->par->codec_id != AV_CODEC_ID_H264 &&
2097 track->par->codec_id != AV_CODEC_ID_MPEG4 &&
2098 track->par->codec_id != AV_CODEC_ID_DNXHD) {
2099 int field_order = track->par->field_order;
2101 #if FF_API_LAVF_AVCTX
2102 FF_DISABLE_DEPRECATION_WARNINGS
2103 if (field_order != track->st->codec->field_order && track->st->codec->field_order != AV_FIELD_UNKNOWN)
2104 field_order = track->st->codec->field_order;
2105 FF_ENABLE_DEPRECATION_WARNINGS
2108 if (field_order != AV_FIELD_UNKNOWN)
2109 mov_write_fiel_tag(pb, track, field_order);
2112 if (mov->flags & FF_MOV_FLAG_WRITE_GAMA) {
2113 if (track->mode == MODE_MOV)
2114 mov_write_gama_tag(s, pb, track, mov->gamma);
2116 av_log(mov->fc, AV_LOG_WARNING, "Not writing 'gama' atom. Format is not MOV.\n");
2118 if (mov->flags & FF_MOV_FLAG_WRITE_COLR) {
2119 if (track->mode == MODE_MOV || track->mode == MODE_MP4)
2120 mov_write_colr_tag(pb, track);
2122 av_log(mov->fc, AV_LOG_WARNING, "Not writing 'colr' atom. Format is not MOV or MP4.\n");
2125 if (track->mode == MODE_MP4 && mov->fc->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
2126 AVStereo3D* stereo_3d = (AVStereo3D*) av_stream_get_side_data(track->st, AV_PKT_DATA_STEREO3D, NULL);
2127 AVSphericalMapping* spherical_mapping = (AVSphericalMapping*)av_stream_get_side_data(track->st, AV_PKT_DATA_SPHERICAL, NULL);
2130 mov_write_st3d_tag(s, pb, stereo_3d);
2131 if (spherical_mapping)
2132 mov_write_sv3d_tag(mov->fc, pb, spherical_mapping);
2135 if (track->par->sample_aspect_ratio.den && track->par->sample_aspect_ratio.num) {
2136 mov_write_pasp_tag(pb, track);
2139 if (uncompressed_ycbcr){
2140 mov_write_clap_tag(pb, track);
2143 if (mov->encryption_scheme != MOV_ENC_NONE) {
2144 ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid);
2147 /* extra padding for avid stsd */
2148 /* https://developer.apple.com/library/mac/documentation/QuickTime/QTFF/QTFFChap2/qtff2.html#//apple_ref/doc/uid/TP40000939-CH204-61112 */
2152 return update_size(pb, pos);
2155 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
2157 int64_t pos = avio_tell(pb);
2158 avio_wb32(pb, 0); /* size */
2159 ffio_wfourcc(pb, "rtp ");
2160 avio_wb32(pb, 0); /* Reserved */
2161 avio_wb16(pb, 0); /* Reserved */
2162 avio_wb16(pb, 1); /* Data-reference index */
2164 avio_wb16(pb, 1); /* Hint track version */
2165 avio_wb16(pb, 1); /* Highest compatible version */
2166 avio_wb32(pb, track->max_packet_size); /* Max packet size */
2168 avio_wb32(pb, 12); /* size */
2169 ffio_wfourcc(pb, "tims");
2170 avio_wb32(pb, track->timescale);
2172 return update_size(pb, pos);
2175 static int mov_write_source_reference_tag(AVIOContext *pb, MOVTrack *track, const char *reel_name)
2177 uint64_t str_size =strlen(reel_name);
2178 int64_t pos = avio_tell(pb);
2180 if (str_size >= UINT16_MAX){
2181 av_log(NULL, AV_LOG_ERROR, "reel_name length %"PRIu64" is too large\n", str_size);
2183 return AVERROR(EINVAL);
2186 avio_wb32(pb, 0); /* size */
2187 ffio_wfourcc(pb, "name"); /* Data format */
2188 avio_wb16(pb, str_size); /* string size */
2189 avio_wb16(pb, track->language); /* langcode */
2190 avio_write(pb, reel_name, str_size); /* reel name */
2191 return update_size(pb,pos);
2194 static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
2196 int64_t pos = avio_tell(pb);
2200 AVDictionaryEntry *t = NULL;
2202 if (!track->st->avg_frame_rate.num || !track->st->avg_frame_rate.den) {
2203 #if FF_API_LAVF_AVCTX
2204 FF_DISABLE_DEPRECATION_WARNINGS
2205 frame_duration = av_rescale(track->timescale, track->st->codec->time_base.num, track->st->codec->time_base.den);
2206 nb_frames = ROUNDED_DIV(track->st->codec->time_base.den, track->st->codec->time_base.num);
2207 FF_ENABLE_DEPRECATION_WARNINGS
2209 av_log(NULL, AV_LOG_ERROR, "avg_frame_rate not set for tmcd track.\n");
2210 return AVERROR(EINVAL);
2213 frame_duration = av_rescale(track->timescale, track->st->avg_frame_rate.num, track->st->avg_frame_rate.den);
2214 nb_frames = ROUNDED_DIV(track->st->avg_frame_rate.den, track->st->avg_frame_rate.num);
2217 if (nb_frames > 255) {
2218 av_log(NULL, AV_LOG_ERROR, "fps %d is too large\n", nb_frames);
2219 return AVERROR(EINVAL);
2222 avio_wb32(pb, 0); /* size */
2223 ffio_wfourcc(pb, "tmcd"); /* Data format */
2224 avio_wb32(pb, 0); /* Reserved */
2225 avio_wb32(pb, 1); /* Data reference index */
2226 avio_wb32(pb, 0); /* Flags */
2227 avio_wb32(pb, track->timecode_flags); /* Flags (timecode) */
2228 avio_wb32(pb, track->timescale); /* Timescale */
2229 avio_wb32(pb, frame_duration); /* Frame duration */
2230 avio_w8(pb, nb_frames); /* Number of frames */
2231 avio_w8(pb, 0); /* Reserved */
2233 t = av_dict_get(track->st->metadata, "reel_name", NULL, 0);
2234 if (t && utf8len(t->value) && track->mode != MODE_MP4)
2235 mov_write_source_reference_tag(pb, track, t->value);
2237 avio_wb16(pb, 0); /* zero size */
2240 avio_wb32(pb, 0); /* size */
2241 ffio_wfourcc(pb, "tmcd"); /* Data format */
2242 avio_wb32(pb, 0); /* Reserved */
2243 avio_wb32(pb, 1); /* Data reference index */
2244 if (track->par->extradata_size)
2245 avio_write(pb, track->par->extradata, track->par->extradata_size);
2247 return update_size(pb, pos);
2250 static int mov_write_gpmd_tag(AVIOContext *pb, const MOVTrack *track)
2252 int64_t pos = avio_tell(pb);
2253 avio_wb32(pb, 0); /* size */
2254 ffio_wfourcc(pb, "gpmd");
2255 avio_wb32(pb, 0); /* Reserved */
2256 avio_wb16(pb, 0); /* Reserved */
2257 avio_wb16(pb, 1); /* Data-reference index */
2258 avio_wb32(pb, 0); /* Reserved */
2259 return update_size(pb, pos);
2262 static int mov_write_stsd_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2264 int64_t pos = avio_tell(pb);
2266 avio_wb32(pb, 0); /* size */
2267 ffio_wfourcc(pb, "stsd");
2268 avio_wb32(pb, 0); /* version & flags */
2269 avio_wb32(pb, 1); /* entry count */
2270 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO)
2271 ret = mov_write_video_tag(s, pb, mov, track);
2272 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2273 ret = mov_write_audio_tag(s, pb, mov, track);
2274 else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)
2275 ret = mov_write_subtitle_tag(pb, track);
2276 else if (track->par->codec_tag == MKTAG('r','t','p',' '))
2277 ret = mov_write_rtp_tag(pb, track);
2278 else if (track->par->codec_tag == MKTAG('t','m','c','d'))
2279 ret = mov_write_tmcd_tag(pb, track);
2280 else if (track->par->codec_tag == MKTAG('g','p','m','d'))
2281 ret = mov_write_gpmd_tag(pb, track);
2286 return update_size(pb, pos);
2289 static int mov_write_ctts_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
2291 MOVMuxContext *mov = s->priv_data;
2292 MOVStts *ctts_entries;
2293 uint32_t entries = 0;
2297 ctts_entries = av_malloc_array((track->entry + 1), sizeof(*ctts_entries)); /* worst case */
2299 return AVERROR(ENOMEM);
2300 ctts_entries[0].count = 1;
2301 ctts_entries[0].duration = track->cluster[0].cts;
2302 for (i = 1; i < track->entry; i++) {
2303 if (track->cluster[i].cts == ctts_entries[entries].duration) {
2304 ctts_entries[entries].count++; /* compress */
2307 ctts_entries[entries].duration = track->cluster[i].cts;
2308 ctts_entries[entries].count = 1;
2311 entries++; /* last one */
2312 atom_size = 16 + (entries * 8);
2313 avio_wb32(pb, atom_size); /* size */
2314 ffio_wfourcc(pb, "ctts");
2315 if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
2316 avio_w8(pb, 1); /* version */
2318 avio_w8(pb, 0); /* version */
2319 avio_wb24(pb, 0); /* flags */
2320 avio_wb32(pb, entries); /* entry count */
2321 for (i = 0; i < entries; i++) {
2322 avio_wb32(pb, ctts_entries[i].count);
2323 avio_wb32(pb, ctts_entries[i].duration);
2325 av_free(ctts_entries);
2329 /* Time to sample atom */
2330 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
2332 MOVStts *stts_entries = NULL;
2333 uint32_t entries = -1;
2337 if (track->par->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
2338 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
2340 return AVERROR(ENOMEM);
2341 stts_entries[0].count = track->sample_count;
2342 stts_entries[0].duration = 1;
2346 stts_entries = av_malloc_array(track->entry, sizeof(*stts_entries)); /* worst case */
2348 return AVERROR(ENOMEM);
2350 for (i = 0; i < track->entry; i++) {
2351 int duration = get_cluster_duration(track, i);
2352 if (i && duration == stts_entries[entries].duration) {
2353 stts_entries[entries].count++; /* compress */
2356 stts_entries[entries].duration = duration;
2357 stts_entries[entries].count = 1;
2360 entries++; /* last one */
2362 atom_size = 16 + (entries * 8);
2363 avio_wb32(pb, atom_size); /* size */
2364 ffio_wfourcc(pb, "stts");
2365 avio_wb32(pb, 0); /* version & flags */
2366 avio_wb32(pb, entries); /* entry count */
2367 for (i = 0; i < entries; i++) {
2368 avio_wb32(pb, stts_entries[i].count);
2369 avio_wb32(pb, stts_entries[i].duration);
2371 av_free(stts_entries);
2375 static int mov_write_dref_tag(AVIOContext *pb)
2377 avio_wb32(pb, 28); /* size */
2378 ffio_wfourcc(pb, "dref");
2379 avio_wb32(pb, 0); /* version & flags */
2380 avio_wb32(pb, 1); /* entry count */
2382 avio_wb32(pb, 0xc); /* size */
2383 //FIXME add the alis and rsrc atom
2384 ffio_wfourcc(pb, "url ");
2385 avio_wb32(pb, 1); /* version & flags */
2390 static int mov_preroll_write_stbl_atoms(AVIOContext *pb, MOVTrack *track)
2394 int16_t roll_distance;
2395 int group_description_index;
2398 struct sgpd_entry *sgpd_entries = NULL;
2403 const int OPUS_SEEK_PREROLL_MS = 80;
2404 int roll_samples = av_rescale_q(OPUS_SEEK_PREROLL_MS,
2405 (AVRational){1, 1000},
2406 (AVRational){1, 48000});
2411 sgpd_entries = av_malloc_array(track->entry, sizeof(*sgpd_entries));
2413 return AVERROR(ENOMEM);
2415 av_assert0(track->par->codec_id == AV_CODEC_ID_OPUS || track->par->codec_id == AV_CODEC_ID_AAC);
2417 if (track->par->codec_id == AV_CODEC_ID_OPUS) {
2418 for (i = 0; i < track->entry; i++) {
2419 int roll_samples_remaining = roll_samples;
2421 for (j = i - 1; j >= 0; j--) {
2422 roll_samples_remaining -= get_cluster_duration(track, j);
2424 if (roll_samples_remaining <= 0)
2427 /* We don't have enough preceeding samples to compute a valid
2428 roll_distance here, so this sample can't be independently
2430 if (roll_samples_remaining > 0)
2432 /* Verify distance is a maximum of 32 (2.5ms) packets. */
2434 return AVERROR_INVALIDDATA;
2435 if (i && distance == sgpd_entries[entries].roll_distance) {
2436 sgpd_entries[entries].count++;
2439 sgpd_entries[entries].count = 1;
2440 sgpd_entries[entries].roll_distance = distance;
2441 sgpd_entries[entries].group_description_index = distance ? ++group : 0;
2446 sgpd_entries[entries].count = track->sample_count;
2447 sgpd_entries[entries].roll_distance = 1;
2448 sgpd_entries[entries].group_description_index = ++group;
2453 av_free(sgpd_entries);
2457 /* Write sgpd tag */
2458 avio_wb32(pb, 24 + (group * 2)); /* size */
2459 ffio_wfourcc(pb, "sgpd");
2460 avio_wb32(pb, 1 << 24); /* fullbox */
2461 ffio_wfourcc(pb, "roll");
2462 avio_wb32(pb, 2); /* default_length */
2463 avio_wb32(pb, group); /* entry_count */
2464 for (i = 0; i < entries; i++) {
2465 if (sgpd_entries[i].group_description_index) {
2466 avio_wb16(pb, -sgpd_entries[i].roll_distance); /* roll_distance */
2470 /* Write sbgp tag */
2471 avio_wb32(pb, 20 + (entries * 8)); /* size */
2472 ffio_wfourcc(pb, "sbgp");
2473 avio_wb32(pb, 0); /* fullbox */
2474 ffio_wfourcc(pb, "roll");
2475 avio_wb32(pb, entries); /* entry_count */
2476 for (i = 0; i < entries; i++) {
2477 avio_wb32(pb, sgpd_entries[i].count); /* sample_count */
2478 avio_wb32(pb, sgpd_entries[i].group_description_index); /* group_description_index */
2481 av_free(sgpd_entries);
2485 static int mov_write_stbl_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2487 int64_t pos = avio_tell(pb);
2490 avio_wb32(pb, 0); /* size */
2491 ffio_wfourcc(pb, "stbl");
2492 if ((ret = mov_write_stsd_tag(s, pb, mov, track)) < 0)
2494 mov_write_stts_tag(pb, track);
2495 if ((track->par->codec_type == AVMEDIA_TYPE_VIDEO ||
2496 track->par->codec_id == AV_CODEC_ID_TRUEHD ||
2497 track->par->codec_id == AV_CODEC_ID_MPEGH_3D_AUDIO ||
2498 track->par->codec_tag == MKTAG('r','t','p',' ')) &&
2499 track->has_keyframes && track->has_keyframes < track->entry)
2500 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
2501 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO && track->has_disposable)
2502 mov_write_sdtp_tag(pb, track);
2503 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
2504 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
2505 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO &&
2506 track->flags & MOV_TRACK_CTTS && track->entry) {
2508 if ((ret = mov_write_ctts_tag(s, pb, track)) < 0)
2511 mov_write_stsc_tag(pb, track);
2512 mov_write_stsz_tag(pb, track);
2513 mov_write_stco_tag(pb, track);
2514 if (track->cenc.aes_ctr) {
2515 ff_mov_cenc_write_stbl_atoms(&track->cenc, pb);
2517 if (track->par->codec_id == AV_CODEC_ID_OPUS || track->par->codec_id == AV_CODEC_ID_AAC) {
2518 mov_preroll_write_stbl_atoms(pb, track);
2520 return update_size(pb, pos);
2523 static int mov_write_dinf_tag(AVIOContext *pb)
2525 int64_t pos = avio_tell(pb);
2526 avio_wb32(pb, 0); /* size */
2527 ffio_wfourcc(pb, "dinf");
2528 mov_write_dref_tag(pb);
2529 return update_size(pb, pos);
2532 static int mov_write_nmhd_tag(AVIOContext *pb)
2535 ffio_wfourcc(pb, "nmhd");
2540 static int mov_write_tcmi_tag(AVIOContext *pb, MOVTrack *track)
2542 int64_t pos = avio_tell(pb);
2543 const char *font = "Lucida Grande";
2544 avio_wb32(pb, 0); /* size */
2545 ffio_wfourcc(pb, "tcmi"); /* timecode media information atom */
2546 avio_wb32(pb, 0); /* version & flags */
2547 avio_wb16(pb, 0); /* text font */
2548 avio_wb16(pb, 0); /* text face */
2549 avio_wb16(pb, 12); /* text size */
2550 avio_wb16(pb, 0); /* (unknown, not in the QT specs...) */
2551 avio_wb16(pb, 0x0000); /* text color (red) */
2552 avio_wb16(pb, 0x0000); /* text color (green) */
2553 avio_wb16(pb, 0x0000); /* text color (blue) */
2554 avio_wb16(pb, 0xffff); /* background color (red) */
2555 avio_wb16(pb, 0xffff); /* background color (green) */
2556 avio_wb16(pb, 0xffff); /* background color (blue) */
2557 avio_w8(pb, strlen(font)); /* font len (part of the pascal string) */
2558 avio_write(pb, font, strlen(font)); /* font name */
2559 return update_size(pb, pos);
2562 static int mov_write_gmhd_tag(AVIOContext *pb, MOVTrack *track)
2564 int64_t pos = avio_tell(pb);
2565 avio_wb32(pb, 0); /* size */
2566 ffio_wfourcc(pb, "gmhd");
2567 avio_wb32(pb, 0x18); /* gmin size */
2568 ffio_wfourcc(pb, "gmin");/* generic media info */
2569 avio_wb32(pb, 0); /* version & flags */
2570 avio_wb16(pb, 0x40); /* graphics mode = */
2571 avio_wb16(pb, 0x8000); /* opColor (r?) */
2572 avio_wb16(pb, 0x8000); /* opColor (g?) */
2573 avio_wb16(pb, 0x8000); /* opColor (b?) */
2574 avio_wb16(pb, 0); /* balance */
2575 avio_wb16(pb, 0); /* reserved */
2578 * This special text atom is required for
2579 * Apple Quicktime chapters. The contents
2580 * don't appear to be documented, so the
2581 * bytes are copied verbatim.
2583 if (track->tag != MKTAG('c','6','0','8')) {
2584 avio_wb32(pb, 0x2C); /* size */
2585 ffio_wfourcc(pb, "text");
2586 avio_wb16(pb, 0x01);
2587 avio_wb32(pb, 0x00);
2588 avio_wb32(pb, 0x00);
2589 avio_wb32(pb, 0x00);
2590 avio_wb32(pb, 0x01);
2591 avio_wb32(pb, 0x00);
2592 avio_wb32(pb, 0x00);
2593 avio_wb32(pb, 0x00);
2594 avio_wb32(pb, 0x00004000);
2595 avio_wb16(pb, 0x0000);
2598 if (track->par->codec_tag == MKTAG('t','m','c','d')) {
2599 int64_t tmcd_pos = avio_tell(pb);
2600 avio_wb32(pb, 0); /* size */
2601 ffio_wfourcc(pb, "tmcd");
2602 mov_write_tcmi_tag(pb, track);
2603 update_size(pb, tmcd_pos);
2604 } else if (track->par->codec_tag == MKTAG('g','p','m','d')) {
2605 int64_t gpmd_pos = avio_tell(pb);
2606 avio_wb32(pb, 0); /* size */
2607 ffio_wfourcc(pb, "gpmd");
2608 avio_wb32(pb, 0); /* version */
2609 update_size(pb, gpmd_pos);
2611 return update_size(pb, pos);
2614 static int mov_write_smhd_tag(AVIOContext *pb)
2616 avio_wb32(pb, 16); /* size */
2617 ffio_wfourcc(pb, "smhd");
2618 avio_wb32(pb, 0); /* version & flags */
2619 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
2620 avio_wb16(pb, 0); /* reserved */
2624 static int mov_write_vmhd_tag(AVIOContext *pb)
2626 avio_wb32(pb, 0x14); /* size (always 0x14) */
2627 ffio_wfourcc(pb, "vmhd");
2628 avio_wb32(pb, 0x01); /* version & flags */
2629 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
2633 static int is_clcp_track(MOVTrack *track)
2635 return track->tag == MKTAG('c','7','0','8') ||
2636 track->tag == MKTAG('c','6','0','8');
2639 static int mov_write_hdlr_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
2641 MOVMuxContext *mov = s->priv_data;
2642 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
2643 int64_t pos = avio_tell(pb);
2647 descr = "DataHandler";
2650 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
2651 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
2653 descr = "VideoHandler";
2654 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
2656 descr = "SoundHandler";
2657 } else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2658 if (is_clcp_track(track)) {
2660 descr = "ClosedCaptionHandler";
2662 if (track->tag == MKTAG('t','x','3','g')) {
2664 } else if (track->tag == MKTAG('m','p','4','s')) {
2669 descr = "SubtitleHandler";
2671 } else if (track->par->codec_tag == MKTAG('r','t','p',' ')) {
2673 descr = "HintHandler";
2674 } else if (track->par->codec_tag == MKTAG('t','m','c','d')) {
2676 descr = "TimeCodeHandler";
2677 } else if (track->par->codec_tag == MKTAG('g','p','m','d')) {
2679 descr = "GoPro MET"; // GoPro Metadata
2681 av_log(s, AV_LOG_WARNING,
2682 "Unknown hldr_type for %s, writing dummy values\n",
2683 av_fourcc2str(track->par->codec_tag));
2686 // hdlr.name is used by some players to identify the content title
2687 // of the track. So if an alternate handler description is
2688 // specified, use it.
2689 AVDictionaryEntry *t;
2690 t = av_dict_get(track->st->metadata, "handler_name", NULL, 0);
2691 if (t && utf8len(t->value))
2696 if (mov->empty_hdlr_name) /* expressly allowed by QTFF and not prohibited in ISO 14496-12 8.4.3.3 */
2699 avio_wb32(pb, 0); /* size */
2700 ffio_wfourcc(pb, "hdlr");
2701 avio_wb32(pb, 0); /* Version & flags */
2702 avio_write(pb, hdlr, 4); /* handler */
2703 ffio_wfourcc(pb, hdlr_type); /* handler type */
2704 avio_wb32(pb, 0); /* reserved */
2705 avio_wb32(pb, 0); /* reserved */
2706 avio_wb32(pb, 0); /* reserved */
2707 if (!track || track->mode == MODE_MOV)
2708 avio_w8(pb, strlen(descr)); /* pascal string */
2709 avio_write(pb, descr, strlen(descr)); /* handler description */
2710 if (track && track->mode != MODE_MOV)
2711 avio_w8(pb, 0); /* c string */
2712 return update_size(pb, pos);
2715 static int mov_write_hmhd_tag(AVIOContext *pb)
2717 /* This atom must be present, but leaving the values at zero
2718 * seems harmless. */
2719 avio_wb32(pb, 28); /* size */
2720 ffio_wfourcc(pb, "hmhd");
2721 avio_wb32(pb, 0); /* version, flags */
2722 avio_wb16(pb, 0); /* maxPDUsize */
2723 avio_wb16(pb, 0); /* avgPDUsize */
2724 avio_wb32(pb, 0); /* maxbitrate */
2725 avio_wb32(pb, 0); /* avgbitrate */
2726 avio_wb32(pb, 0); /* reserved */
2730 static int mov_write_minf_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2732 int64_t pos = avio_tell(pb);
2735 avio_wb32(pb, 0); /* size */
2736 ffio_wfourcc(pb, "minf");
2737 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO)
2738 mov_write_vmhd_tag(pb);
2739 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2740 mov_write_smhd_tag(pb);
2741 else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2742 if (track->tag == MKTAG('t','e','x','t') || is_clcp_track(track)) {
2743 mov_write_gmhd_tag(pb, track);
2745 mov_write_nmhd_tag(pb);
2747 } else if (track->tag == MKTAG('r','t','p',' ')) {
2748 mov_write_hmhd_tag(pb);
2749 } else if (track->tag == MKTAG('t','m','c','d')) {
2750 if (track->mode != MODE_MOV)
2751 mov_write_nmhd_tag(pb);
2753 mov_write_gmhd_tag(pb, track);
2754 } else if (track->tag == MKTAG('g','p','m','d')) {
2755 mov_write_gmhd_tag(pb, track);
2757 if (track->mode == MODE_MOV) /* ISO 14496-12 8.4.3.1 specifies hdlr only within mdia or meta boxes */
2758 mov_write_hdlr_tag(s, pb, NULL);
2759 mov_write_dinf_tag(pb);
2760 if ((ret = mov_write_stbl_tag(s, pb, mov, track)) < 0)
2762 return update_size(pb, pos);
2765 static int64_t calc_pts_duration(MOVMuxContext *mov, MOVTrack *track)
2767 if (track->tag == MKTAG('t','m','c','d')) {
2768 // tmcd tracks gets track_duration set in mov_write_moov_tag from
2769 // another track's duration, while the end_pts may be left at zero.
2770 // Calculate the pts duration for that track instead.
2771 return av_rescale(calc_pts_duration(mov, &mov->tracks[track->src_track]),
2772 track->timescale, mov->tracks[track->src_track].timescale);
2774 if (track->end_pts != AV_NOPTS_VALUE &&
2775 track->start_dts != AV_NOPTS_VALUE &&
2776 track->start_cts != AV_NOPTS_VALUE) {
2777 return track->end_pts - (track->start_dts + track->start_cts);
2779 return track->track_duration;
2782 static int mov_write_mdhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2785 int64_t duration = calc_pts_duration(mov, track);
2786 int version = duration < INT32_MAX ? 0 : 1;
2788 if (track->mode == MODE_ISM)
2791 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
2792 ffio_wfourcc(pb, "mdhd");
2793 avio_w8(pb, version);
2794 avio_wb24(pb, 0); /* flags */
2796 avio_wb64(pb, track->time);
2797 avio_wb64(pb, track->time);
2799 avio_wb32(pb, track->time); /* creation time */
2800 avio_wb32(pb, track->time); /* modification time */
2802 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
2803 if (!track->entry && mov->mode == MODE_ISM)
2804 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2805 else if (!track->entry)
2806 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2808 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration); /* duration */
2809 avio_wb16(pb, track->language); /* language */
2810 avio_wb16(pb, 0); /* reserved (quality) */
2812 if (version != 0 && track->mode == MODE_MOV) {
2813 av_log(NULL, AV_LOG_ERROR,
2814 "FATAL error, file duration too long for timebase, this file will not be\n"
2815 "playable with QuickTime. Choose a different timebase with "
2816 "-video_track_timescale or a different container format\n");
2822 static int mov_write_mdia_tag(AVFormatContext *s, AVIOContext *pb,
2823 MOVMuxContext *mov, MOVTrack *track)
2825 int64_t pos = avio_tell(pb);
2828 avio_wb32(pb, 0); /* size */
2829 ffio_wfourcc(pb, "mdia");
2830 mov_write_mdhd_tag(pb, mov, track);
2831 mov_write_hdlr_tag(s, pb, track);
2832 if ((ret = mov_write_minf_tag(s, pb, mov, track)) < 0)
2834 return update_size(pb, pos);
2837 /* transformation matrix
2841 static void write_matrix(AVIOContext *pb, int16_t a, int16_t b, int16_t c,
2842 int16_t d, int16_t tx, int16_t ty)
2844 avio_wb32(pb, a << 16); /* 16.16 format */
2845 avio_wb32(pb, b << 16); /* 16.16 format */
2846 avio_wb32(pb, 0); /* u in 2.30 format */
2847 avio_wb32(pb, c << 16); /* 16.16 format */
2848 avio_wb32(pb, d << 16); /* 16.16 format */
2849 avio_wb32(pb, 0); /* v in 2.30 format */
2850 avio_wb32(pb, tx << 16); /* 16.16 format */
2851 avio_wb32(pb, ty << 16); /* 16.16 format */
2852 avio_wb32(pb, 1 << 30); /* w in 2.30 format */
2855 static int mov_write_tkhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2856 MOVTrack *track, AVStream *st)
2858 int64_t duration = av_rescale_rnd(calc_pts_duration(mov, track),
2859 MOV_TIMESCALE, track->timescale,
2861 int version = duration < INT32_MAX ? 0 : 1;
2862 int flags = MOV_TKHD_FLAG_IN_MOVIE;
2866 uint32_t *display_matrix = NULL;
2867 int display_matrix_size, i;
2870 if (mov->per_stream_grouping)
2873 group = st->codecpar->codec_type;
2875 display_matrix = (uint32_t*)av_stream_get_side_data(st, AV_PKT_DATA_DISPLAYMATRIX,
2876 &display_matrix_size);
2877 if (display_matrix && display_matrix_size < 9 * sizeof(*display_matrix))
2878 display_matrix = NULL;
2881 if (track->flags & MOV_TRACK_ENABLED)
2882 flags |= MOV_TKHD_FLAG_ENABLED;
2884 if (track->mode == MODE_ISM)
2887 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
2888 ffio_wfourcc(pb, "tkhd");
2889 avio_w8(pb, version);
2890 avio_wb24(pb, flags);
2892 avio_wb64(pb, track->time);
2893 avio_wb64(pb, track->time);
2895 avio_wb32(pb, track->time); /* creation time */
2896 avio_wb32(pb, track->time); /* modification time */
2898 avio_wb32(pb, track->track_id); /* track-id */
2899 avio_wb32(pb, 0); /* reserved */
2900 if (!track->entry && mov->mode == MODE_ISM)
2901 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2902 else if (!track->entry)
2903 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2905 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
2907 avio_wb32(pb, 0); /* reserved */
2908 avio_wb32(pb, 0); /* reserved */
2909 avio_wb16(pb, 0); /* layer */
2910 avio_wb16(pb, group); /* alternate group) */
2911 /* Volume, only for audio */
2912 if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2913 avio_wb16(pb, 0x0100);
2916 avio_wb16(pb, 0); /* reserved */
2918 /* Matrix structure */
2919 #if FF_API_OLD_ROTATE_API
2920 if (st && st->metadata) {
2921 AVDictionaryEntry *rot = av_dict_get(st->metadata, "rotate", NULL, 0);
2922 rotation = (rot && rot->value) ? atoi(rot->value) : 0;
2925 if (display_matrix) {
2926 for (i = 0; i < 9; i++)
2927 avio_wb32(pb, display_matrix[i]);
2928 #if FF_API_OLD_ROTATE_API
2929 } else if (rotation == 90) {
2930 write_matrix(pb, 0, 1, -1, 0, track->par->height, 0);
2931 } else if (rotation == 180) {
2932 write_matrix(pb, -1, 0, 0, -1, track->par->width, track->par->height);
2933 } else if (rotation == 270) {
2934 write_matrix(pb, 0, -1, 1, 0, 0, track->par->width);
2937 write_matrix(pb, 1, 0, 0, 1, 0, 0);
2939 /* Track width and height, for visual only */
2940 if (st && (track->par->codec_type == AVMEDIA_TYPE_VIDEO ||
2941 track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
2942 int64_t track_width_1616;
2943 if (track->mode == MODE_MOV) {
2944 track_width_1616 = track->par->width * 0x10000ULL;
2946 track_width_1616 = av_rescale(st->sample_aspect_ratio.num,
2947 track->par->width * 0x10000LL,
2948 st->sample_aspect_ratio.den);
2949 if (!track_width_1616 ||
2950 track->height != track->par->height ||
2951 track_width_1616 > UINT32_MAX)
2952 track_width_1616 = track->par->width * 0x10000ULL;
2954 if (track_width_1616 > UINT32_MAX) {
2955 av_log(mov->fc, AV_LOG_WARNING, "track width is too large\n");
2956 track_width_1616 = 0;
2958 avio_wb32(pb, track_width_1616);
2959 if (track->height > 0xFFFF) {
2960 av_log(mov->fc, AV_LOG_WARNING, "track height is too large\n");
2963 avio_wb32(pb, track->height * 0x10000U);
2971 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
2973 int32_t width = av_rescale(track->par->sample_aspect_ratio.num, track->par->width,
2974 track->par->sample_aspect_ratio.den);
2976 int64_t pos = avio_tell(pb);
2978 avio_wb32(pb, 0); /* size */
2979 ffio_wfourcc(pb, "tapt");
2982 ffio_wfourcc(pb, "clef");
2984 avio_wb32(pb, width << 16);
2985 avio_wb32(pb, track->par->height << 16);
2988 ffio_wfourcc(pb, "prof");
2990 avio_wb32(pb, width << 16);
2991 avio_wb32(pb, track->par->height << 16);
2994 ffio_wfourcc(pb, "enof");
2996 avio_wb32(pb, track->par->width << 16);
2997 avio_wb32(pb, track->par->height << 16);
2999 return update_size(pb, pos);
3002 // This box seems important for the psp playback ... without it the movie seems to hang
3003 static int mov_write_edts_tag(AVIOContext *pb, MOVMuxContext *mov,
3006 int64_t duration = av_rescale_rnd(calc_pts_duration(mov, track),
3007 MOV_TIMESCALE, track->timescale,
3009 int version = duration < INT32_MAX ? 0 : 1;
3010 int entry_size, entry_count, size;
3011 int64_t delay, start_ct = track->start_cts;
3012 int64_t start_dts = track->start_dts;
3015 if (start_dts != track->cluster[0].dts || start_ct != track->cluster[0].cts) {
3017 av_log(mov->fc, AV_LOG_DEBUG,
3018 "EDTS using dts:%"PRId64" cts:%d instead of dts:%"PRId64" cts:%"PRId64" tid:%d\n",
3019 track->cluster[0].dts, track->cluster[0].cts,
3020 start_dts, start_ct, track->track_id);
3021 start_dts = track->cluster[0].dts;
3022 start_ct = track->cluster[0].cts;
3026 delay = av_rescale_rnd(start_dts + start_ct, MOV_TIMESCALE,
3027 track->timescale, AV_ROUND_DOWN);
3028 version |= delay < INT32_MAX ? 0 : 1;
3030 entry_size = (version == 1) ? 20 : 12;
3031 entry_count = 1 + (delay > 0);
3032 size = 24 + entry_count * entry_size;
3034 /* write the atom data */
3035 avio_wb32(pb, size);
3036 ffio_wfourcc(pb, "edts");
3037 avio_wb32(pb, size - 8);
3038 ffio_wfourcc(pb, "elst");
3039 avio_w8(pb, version);
3040 avio_wb24(pb, 0); /* flags */
3042 avio_wb32(pb, entry_count);
3043 if (delay > 0) { /* add an empty edit to delay presentation */
3044 /* In the positive delay case, the delay includes the cts
3045 * offset, and the second edit list entry below trims out
3046 * the same amount from the actual content. This makes sure
3047 * that the offset last sample is included in the edit
3048 * list duration as well. */
3050 avio_wb64(pb, delay);
3053 avio_wb32(pb, delay);
3056 avio_wb32(pb, 0x00010000);
3058 /* Avoid accidentally ending up with start_ct = -1 which has got a
3059 * special meaning. Normally start_ct should end up positive or zero
3060 * here, but use FFMIN in case dts is a small positive integer
3061 * rounded to 0 when represented in MOV_TIMESCALE units. */
3062 av_assert0(av_rescale_rnd(start_dts, MOV_TIMESCALE, track->timescale, AV_ROUND_DOWN) <= 0);
3063 start_ct = -FFMIN(start_dts, 0);
3064 /* Note, this delay is calculated from the pts of the first sample,
3065 * ensuring that we don't reduce the duration for cases with
3070 /* For fragmented files, we don't know the full length yet. Setting
3071 * duration to 0 allows us to only specify the offset, including
3072 * the rest of the content (from all future fragments) without specifying
3073 * an explicit duration. */
3074 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
3079 avio_wb64(pb, duration);
3080 avio_wb64(pb, start_ct);
3082 avio_wb32(pb, duration);
3083 avio_wb32(pb, start_ct);
3085 avio_wb32(pb, 0x00010000);
3089 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
3091 avio_wb32(pb, 20); // size
3092 ffio_wfourcc(pb, "tref");
3093 avio_wb32(pb, 12); // size (subatom)
3094 avio_wl32(pb, track->tref_tag);
3095 avio_wb32(pb, track->tref_id);
3099 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
3100 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
3102 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
3103 ffio_wfourcc(pb, "uuid");
3104 ffio_wfourcc(pb, "USMT");
3105 avio_wb32(pb, 0x21d24fce);
3106 avio_wb32(pb, 0xbb88695c);
3107 avio_wb32(pb, 0xfac9c740);
3108 avio_wb32(pb, 0x1c); // another size here!
3109 ffio_wfourcc(pb, "MTDT");
3110 avio_wb32(pb, 0x00010012);
3111 avio_wb32(pb, 0x0a);
3112 avio_wb32(pb, 0x55c40000);
3118 static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
3120 AVFormatContext *ctx = track->rtp_ctx;
3121 char buf[1000] = "";
3124 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
3125 NULL, NULL, 0, 0, ctx);
3126 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
3129 avio_wb32(pb, len + 24);
3130 ffio_wfourcc(pb, "udta");
3131 avio_wb32(pb, len + 16);
3132 ffio_wfourcc(pb, "hnti");
3133 avio_wb32(pb, len + 8);
3134 ffio_wfourcc(pb, "sdp ");
3135 avio_write(pb, buf, len);
3139 static int mov_write_track_metadata(AVIOContext *pb, AVStream *st,
3140 const char *tag, const char *str)
3142 int64_t pos = avio_tell(pb);
3143 AVDictionaryEntry *t = av_dict_get(st->metadata, str, NULL, 0);
3144 if (!t || !utf8len(t->value))
3147 avio_wb32(pb, 0); /* size */
3148 ffio_wfourcc(pb, tag); /* type */
3149 avio_write(pb, t->value, strlen(t->value)); /* UTF8 string value */
3150 return update_size(pb, pos);
3153 static int mov_write_track_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
3156 AVIOContext *pb_buf;
3163 ret = avio_open_dyn_buf(&pb_buf);
3167 if (mov->mode & (MODE_MP4|MODE_MOV))
3168 mov_write_track_metadata(pb_buf, st, "name", "title");
3170 if ((size = avio_get_dyn_buf(pb_buf, &buf)) > 0) {
3171 avio_wb32(pb, size + 8);
3172 ffio_wfourcc(pb, "udta");
3173 avio_write(pb, buf, size);
3175 ffio_free_dyn_buf(&pb_buf);
3180 static int mov_write_trak_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov,
3181 MOVTrack *track, AVStream *st)
3183 int64_t pos = avio_tell(pb);
3184 int entry_backup = track->entry;
3185 int chunk_backup = track->chunkCount;
3188 /* If we want to have an empty moov, but some samples already have been
3189 * buffered (delay_moov), pretend that no samples have been written yet. */
3190 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV)
3191 track->chunkCount = track->entry = 0;
3193 avio_wb32(pb, 0); /* size */
3194 ffio_wfourcc(pb, "trak");
3195 mov_write_tkhd_tag(pb, mov, track, st);
3197 av_assert2(mov->use_editlist >= 0);
3199 if (track->start_dts != AV_NOPTS_VALUE) {
3200 if (mov->use_editlist)
3201 mov_write_edts_tag(pb, mov, track); // PSP Movies and several other cases require edts box
3202 else if ((track->entry && track->cluster[0].dts) || track->mode == MODE_PSP || is_clcp_track(track))
3203 av_log(mov->fc, AV_LOG_WARNING,
3204 "Not writing any edit list even though one would have been required\n");
3207 if (track->tref_tag)
3208 mov_write_tref_tag(pb, track);
3210 if ((ret = mov_write_mdia_tag(s, pb, mov, track)) < 0)
3212 if (track->mode == MODE_PSP)
3213 mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box
3214 if (track->tag == MKTAG('r','t','p',' '))
3215 mov_write_udta_sdp(pb, track);
3216 if (track->mode == MODE_MOV) {
3217 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
3218 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
3219 if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio) {
3220 mov_write_tapt_tag(pb, track);
3223 if (is_clcp_track(track) && st->sample_aspect_ratio.num) {
3224 mov_write_tapt_tag(pb, track);
3227 mov_write_track_udta_tag(pb, mov, st);
3228 track->entry = entry_backup;
3229 track->chunkCount = chunk_backup;
3230 return update_size(pb, pos);
3233 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
3235 int i, has_audio = 0, has_video = 0;
3236 int64_t pos = avio_tell(pb);
3237 int audio_profile = mov->iods_audio_profile;
3238 int video_profile = mov->iods_video_profile;
3239 for (i = 0; i < mov->nb_streams; i++) {
3240 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3241 has_audio |= mov->tracks[i].par->codec_type == AVMEDIA_TYPE_AUDIO;
3242 has_video |= mov->tracks[i].par->codec_type == AVMEDIA_TYPE_VIDEO;
3245 if (audio_profile < 0)
3246 audio_profile = 0xFF - has_audio;
3247 if (video_profile < 0)
3248 video_profile = 0xFF - has_video;
3249 avio_wb32(pb, 0x0); /* size */
3250 ffio_wfourcc(pb, "iods");
3251 avio_wb32(pb, 0); /* version & flags */
3252 put_descr(pb, 0x10, 7);
3253 avio_wb16(pb, 0x004f);
3256 avio_w8(pb, audio_profile);
3257 avio_w8(pb, video_profile);
3259 return update_size(pb, pos);
3262 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
3264 avio_wb32(pb, 0x20); /* size */
3265 ffio_wfourcc(pb, "trex");
3266 avio_wb32(pb, 0); /* version & flags */
3267 avio_wb32(pb, track->track_id); /* track ID */
3268 avio_wb32(pb, 1); /* default sample description index */
3269 avio_wb32(pb, 0); /* default sample duration */
3270 avio_wb32(pb, 0); /* default sample size */
3271 avio_wb32(pb, 0); /* default sample flags */
3275 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
3277 int64_t pos = avio_tell(pb);
3279 avio_wb32(pb, 0x0); /* size */
3280 ffio_wfourcc(pb, "mvex");
3281 for (i = 0; i < mov->nb_streams; i++)
3282 mov_write_trex_tag(pb, &mov->tracks[i]);
3283 return update_size(pb, pos);
3286 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
3288 int max_track_id = 1, i;
3289 int64_t max_track_len = 0;
3292 for (i = 0; i < mov->nb_streams; i++) {
3293 if (mov->tracks[i].entry > 0 && mov->tracks[i].timescale) {
3294 int64_t max_track_len_temp = av_rescale_rnd(
3295 calc_pts_duration(mov, &mov->tracks[i]),
3297 mov->tracks[i].timescale,
3299 if (max_track_len < max_track_len_temp)
3300 max_track_len = max_track_len_temp;
3301 if (max_track_id < mov->tracks[i].track_id)
3302 max_track_id = mov->tracks[i].track_id;
3305 /* If using delay_moov, make sure the output is the same as if no
3306 * samples had been written yet. */
3307 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3312 version = max_track_len < UINT32_MAX ? 0 : 1;
3313 avio_wb32(pb, version == 1 ? 120 : 108); /* size */
3315 ffio_wfourcc(pb, "mvhd");
3316 avio_w8(pb, version);
3317 avio_wb24(pb, 0); /* flags */
3319 avio_wb64(pb, mov->time);
3320 avio_wb64(pb, mov->time);
3322 avio_wb32(pb, mov->time); /* creation time */
3323 avio_wb32(pb, mov->time); /* modification time */
3325 avio_wb32(pb, MOV_TIMESCALE);
3326 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
3328 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
3329 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
3330 avio_wb16(pb, 0); /* reserved */
3331 avio_wb32(pb, 0); /* reserved */
3332 avio_wb32(pb, 0); /* reserved */
3334 /* Matrix structure */
3335 write_matrix(pb, 1, 0, 0, 1, 0, 0);
3337 avio_wb32(pb, 0); /* reserved (preview time) */
3338 avio_wb32(pb, 0); /* reserved (preview duration) */
3339 avio_wb32(pb, 0); /* reserved (poster time) */
3340 avio_wb32(pb, 0); /* reserved (selection time) */
3341 avio_wb32(pb, 0); /* reserved (selection duration) */
3342 avio_wb32(pb, 0); /* reserved (current time) */
3343 avio_wb32(pb, max_track_id + 1); /* Next track id */
3347 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
3350 avio_wb32(pb, 33); /* size */
3351 ffio_wfourcc(pb, "hdlr");
3354 ffio_wfourcc(pb, "mdir");
3355 ffio_wfourcc(pb, "appl");
3362 /* helper function to write a data tag with the specified string as data */
3363 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
3366 int size = 16 + strlen(data);
3367 avio_wb32(pb, size); /* size */
3368 ffio_wfourcc(pb, "data");
3371 avio_write(pb, data, strlen(data));
3375 lang = ff_mov_iso639_to_lang("und", 1);
3376 avio_wb16(pb, strlen(data)); /* string length */
3377 avio_wb16(pb, lang);
3378 avio_write(pb, data, strlen(data));
3379 return strlen(data) + 4;
3383 static int mov_write_string_tag(AVIOContext *pb, const char *name,
3384 const char *value, int lang, int long_style)
3387 if (value && value[0]) {
3388 int64_t pos = avio_tell(pb);
3389 avio_wb32(pb, 0); /* size */
3390 ffio_wfourcc(pb, name);
3391 mov_write_string_data_tag(pb, value, lang, long_style);
3392 size = update_size(pb, pos);
3397 static AVDictionaryEntry *get_metadata_lang(AVFormatContext *s,
3398 const char *tag, int *lang)
3401 AVDictionaryEntry *t, *t2 = NULL;
3406 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
3409 len = strlen(t->key);
3410 snprintf(tag2, sizeof(tag2), "%s-", tag);
3411 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
3412 len2 = strlen(t2->key);
3413 if (len2 == len + 4 && !strcmp(t->value, t2->value)
3414 && (l = ff_mov_iso639_to_lang(&t2->key[len2 - 3], 1)) >= 0) {
3422 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
3423 const char *name, const char *tag,
3427 AVDictionaryEntry *t = get_metadata_lang(s, tag, &lang);
3430 return mov_write_string_tag(pb, name, t->value, lang, long_style);
3433 /* iTunes bpm number */
3434 static int mov_write_tmpo_tag(AVIOContext *pb, AVFormatContext *s)
3436 AVDictionaryEntry *t = av_dict_get(s->metadata, "tmpo", NULL, 0);
3437 int size = 0, tmpo = t ? atoi(t->value) : 0;
3440 avio_wb32(pb, size);
3441 ffio_wfourcc(pb, "tmpo");
3442 avio_wb32(pb, size-8); /* size */
3443 ffio_wfourcc(pb, "data");
3444 avio_wb32(pb, 0x15); //type specifier
3446 avio_wb16(pb, tmpo); // data
3451 /* 3GPP TS 26.244 */
3452 static int mov_write_loci_tag(AVFormatContext *s, AVIOContext *pb)
3455 int64_t pos = avio_tell(pb);
3456 double latitude, longitude, altitude;
3457 int32_t latitude_fix, longitude_fix, altitude_fix;
3458 AVDictionaryEntry *t = get_metadata_lang(s, "location", &lang);
3459 const char *ptr, *place = "";
3461 static const char *astronomical_body = "earth";
3466 longitude = strtod(ptr, &end);
3468 av_log(s, AV_LOG_WARNING, "malformed location metadata\n");
3472 latitude = strtod(ptr, &end);
3474 av_log(s, AV_LOG_WARNING, "malformed location metadata\n");
3478 altitude = strtod(ptr, &end);
3479 /* If no altitude was present, the default 0 should be fine */
3483 latitude_fix = (int32_t) ((1 << 16) * latitude);
3484 longitude_fix = (int32_t) ((1 << 16) * longitude);
3485 altitude_fix = (int32_t) ((1 << 16) * altitude);
3487 avio_wb32(pb, 0); /* size */
3488 ffio_wfourcc(pb, "loci"); /* type */
3489 avio_wb32(pb, 0); /* version + flags */
3490 avio_wb16(pb, lang);
3491 avio_write(pb, place, strlen(place) + 1);
3492 avio_w8(pb, 0); /* role of place (0 == shooting location, 1 == real location, 2 == fictional location) */
3493 avio_wb32(pb, latitude_fix);
3494 avio_wb32(pb, longitude_fix);
3495 avio_wb32(pb, altitude_fix);
3496 avio_write(pb, astronomical_body, strlen(astronomical_body) + 1);
3497 avio_w8(pb, 0); /* additional notes, null terminated string */
3499 return update_size(pb, pos);
3502 /* iTunes track or disc number */
3503 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
3504 AVFormatContext *s, int disc)
3506 AVDictionaryEntry *t = av_dict_get(s->metadata,
3507 disc ? "disc" : "track",
3509 int size = 0, track = t ? atoi(t->value) : 0;
3512 char *slash = strchr(t->value, '/');
3514 tracks = atoi(slash + 1);
3515 avio_wb32(pb, 32); /* size */
3516 ffio_wfourcc(pb, disc ? "disk" : "trkn");
3517 avio_wb32(pb, 24); /* size */
3518 ffio_wfourcc(pb, "data");
3519 avio_wb32(pb, 0); // 8 bytes empty
3521 avio_wb16(pb, 0); // empty
3522 avio_wb16(pb, track); // track / disc number
3523 avio_wb16(pb, tracks); // total track / disc number
3524 avio_wb16(pb, 0); // empty
3530 static int mov_write_int8_metadata(AVFormatContext *s, AVIOContext *pb,
3531 const char *name, const char *tag,
3534 AVDictionaryEntry *t = NULL;
3536 int size = 24 + len;
3538 if (len != 1 && len != 4)
3541 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
3543 num = atoi(t->value);
3545 avio_wb32(pb, size);
3546 ffio_wfourcc(pb, name);
3547 avio_wb32(pb, size - 8);
3548 ffio_wfourcc(pb, "data");
3549 avio_wb32(pb, 0x15);
3551 if (len==4) avio_wb32(pb, num);
3552 else avio_w8 (pb, num);
3557 static int mov_write_covr(AVIOContext *pb, AVFormatContext *s)
3559 MOVMuxContext *mov = s->priv_data;
3563 for (i = 0; i < s->nb_streams; i++) {
3564 MOVTrack *trk = &mov->tracks[i];
3566 if (!is_cover_image(trk->st) || trk->cover_image.size <= 0)
3570 pos = avio_tell(pb);
3572 ffio_wfourcc(pb, "covr");
3574 avio_wb32(pb, 16 + trk->cover_image.size);
3575 ffio_wfourcc(pb, "data");
3576 avio_wb32(pb, trk->tag);
3578 avio_write(pb, trk->cover_image.data, trk->cover_image.size);
3581 return pos ? update_size(pb, pos) : 0;
3584 /* iTunes meta data list */
3585 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
3588 int64_t pos = avio_tell(pb);
3589 avio_wb32(pb, 0); /* size */
3590 ffio_wfourcc(pb, "ilst");
3591 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
3592 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
3593 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
3594 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
3595 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
3596 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
3597 if (!mov_write_string_metadata(s, pb, "\251too", "encoding_tool", 1)) {
3598 if (!(s->flags & AVFMT_FLAG_BITEXACT))
3599 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
3601 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
3602 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
3603 mov_write_string_metadata(s, pb, "cprt", "copyright", 1);
3604 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
3605 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
3606 mov_write_string_metadata(s, pb, "desc", "description",1);
3607 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
3608 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
3609 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
3610 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
3611 mov_write_string_metadata(s, pb, "keyw", "keywords" , 1);
3612 mov_write_int8_metadata (s, pb, "tves", "episode_sort",4);
3613 mov_write_int8_metadata (s, pb, "tvsn", "season_number",4);
3614 mov_write_int8_metadata (s, pb, "stik", "media_type",1);
3615 mov_write_int8_metadata (s, pb, "hdvd", "hd_video", 1);
3616 mov_write_int8_metadata (s, pb, "pgap", "gapless_playback",1);
3617 mov_write_int8_metadata (s, pb, "cpil", "compilation", 1);
3618 mov_write_covr(pb, s);
3619 mov_write_trkn_tag(pb, mov, s, 0); // track number
3620 mov_write_trkn_tag(pb, mov, s, 1); // disc number
3621 mov_write_tmpo_tag(pb, s);
3622 return update_size(pb, pos);
3625 static int mov_write_mdta_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
3628 avio_wb32(pb, 33); /* size */
3629 ffio_wfourcc(pb, "hdlr");
3632 ffio_wfourcc(pb, "mdta");
3640 static int mov_write_mdta_keys_tag(AVIOContext *pb, MOVMuxContext *mov,
3643 AVDictionaryEntry *t = NULL;
3644 int64_t pos = avio_tell(pb);
3645 int64_t curpos, entry_pos;
3648 avio_wb32(pb, 0); /* size */
3649 ffio_wfourcc(pb, "keys");
3651 entry_pos = avio_tell(pb);
3652 avio_wb32(pb, 0); /* entry count */
3654 while (t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX)) {
3655 avio_wb32(pb, strlen(t->key) + 8);
3656 ffio_wfourcc(pb, "mdta");
3657 avio_write(pb, t->key, strlen(t->key));
3660 curpos = avio_tell(pb);
3661 avio_seek(pb, entry_pos, SEEK_SET);
3662 avio_wb32(pb, count); // rewrite entry count
3663 avio_seek(pb, curpos, SEEK_SET);
3665 return update_size(pb, pos);
3668 static int mov_write_mdta_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
3671 AVDictionaryEntry *t = NULL;
3672 int64_t pos = avio_tell(pb);
3673 int count = 1; /* keys are 1-index based */
3675 avio_wb32(pb, 0); /* size */
3676 ffio_wfourcc(pb, "ilst");
3678 while (t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX)) {
3679 int64_t entry_pos = avio_tell(pb);
3680 avio_wb32(pb, 0); /* size */
3681 avio_wb32(pb, count); /* key */
3682 mov_write_string_data_tag(pb, t->value, 0, 1);
3683 update_size(pb, entry_pos);
3686 return update_size(pb, pos);
3689 /* meta data tags */
3690 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
3694 int64_t pos = avio_tell(pb);
3695 avio_wb32(pb, 0); /* size */
3696 ffio_wfourcc(pb, "meta");
3698 if (mov->flags & FF_MOV_FLAG_USE_MDTA) {
3699 mov_write_mdta_hdlr_tag(pb, mov, s);
3700 mov_write_mdta_keys_tag(pb, mov, s);
3701 mov_write_mdta_ilst_tag(pb, mov, s);
3704 /* iTunes metadata tag */
3705 mov_write_itunes_hdlr_tag(pb, mov, s);
3706 mov_write_ilst_tag(pb, mov, s);
3708 size = update_size(pb, pos);
3712 static int mov_write_raw_metadata_tag(AVFormatContext *s, AVIOContext *pb,
3713 const char *name, const char *key)
3716 AVDictionaryEntry *t;
3718 if (!(t = av_dict_get(s->metadata, key, NULL, 0)))
3721 len = strlen(t->value);
3724 avio_wb32(pb, size);
3725 ffio_wfourcc(pb, name);
3726 avio_write(pb, t->value, len);
3732 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
3736 GET_UTF8(val, *b++, return -1;)
3739 avio_wb16(pb, 0x00);
3743 static uint16_t language_code(const char *str)
3745 return (((str[0] - 0x60) & 0x1F) << 10) +
3746 (((str[1] - 0x60) & 0x1F) << 5) +
3747 (( str[2] - 0x60) & 0x1F);
3750 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
3751 const char *tag, const char *str)
3753 int64_t pos = avio_tell(pb);
3754 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
3755 if (!t || !utf8len(t->value))
3757 avio_wb32(pb, 0); /* size */
3758 ffio_wfourcc(pb, tag); /* type */
3759 avio_wb32(pb, 0); /* version + flags */
3760 if (!strcmp(tag, "yrrc"))
3761 avio_wb16(pb, atoi(t->value));
3763 avio_wb16(pb, language_code("eng")); /* language */
3764 avio_write(pb, t->value, strlen(t->value) + 1); /* UTF8 string value */
3765 if (!strcmp(tag, "albm") &&
3766 (t = av_dict_get(s->metadata, "track", NULL, 0)))
3767 avio_w8(pb, atoi(t->value));
3769 return update_size(pb, pos);
3772 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
3774 int64_t pos = avio_tell(pb);
3775 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
3777 avio_wb32(pb, 0); // size
3778 ffio_wfourcc(pb, "chpl");
3779 avio_wb32(pb, 0x01000000); // version + flags
3780 avio_wb32(pb, 0); // unknown
3781 avio_w8(pb, nb_chapters);
3783 for (i = 0; i < nb_chapters; i++) {
3784 AVChapter *c = s->chapters[i];
3785 AVDictionaryEntry *t;
3786 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
3788 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3789 int len = FFMIN(strlen(t->value), 255);
3791 avio_write(pb, t->value, len);
3795 return update_size(pb, pos);
3798 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
3801 AVIOContext *pb_buf;
3805 ret = avio_open_dyn_buf(&pb_buf);
3809 if (mov->mode & MODE_3GP) {
3810 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
3811 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
3812 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
3813 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
3814 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
3815 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
3816 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
3817 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
3818 mov_write_loci_tag(s, pb_buf);
3819 } 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
3820 mov_write_string_metadata(s, pb_buf, "\251ART", "artist", 0);
3821 mov_write_string_metadata(s, pb_buf, "\251nam", "title", 0);
3822 mov_write_string_metadata(s, pb_buf, "\251aut", "author", 0);
3823 mov_write_string_metadata(s, pb_buf, "\251alb", "album", 0);
3824 mov_write_string_metadata(s, pb_buf, "\251day", "date", 0);
3825 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder", 0);
3826 // currently ignored by mov.c
3827 mov_write_string_metadata(s, pb_buf, "\251des", "comment", 0);
3828 // add support for libquicktime, this atom is also actually read by mov.c
3829 mov_write_string_metadata(s, pb_buf, "\251cmt", "comment", 0);
3830 mov_write_string_metadata(s, pb_buf, "\251gen", "genre", 0);
3831 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright", 0);
3832 mov_write_string_metadata(s, pb_buf, "\251mak", "make", 0);
3833 mov_write_string_metadata(s, pb_buf, "\251mod", "model", 0);
3834 mov_write_string_metadata(s, pb_buf, "\251xyz", "location", 0);
3835 mov_write_string_metadata(s, pb_buf, "\251key", "keywords", 0);
3836 mov_write_raw_metadata_tag(s, pb_buf, "XMP_", "xmp");
3838 /* iTunes meta data */
3839 mov_write_meta_tag(pb_buf, mov, s);
3840 mov_write_loci_tag(s, pb_buf);
3843 if (s->nb_chapters && !(mov->flags & FF_MOV_FLAG_DISABLE_CHPL))
3844 mov_write_chpl_tag(pb_buf, s);
3846 if ((size = avio_get_dyn_buf(pb_buf, &buf)) > 0) {
3847 avio_wb32(pb, size + 8);
3848 ffio_wfourcc(pb, "udta");
3849 avio_write(pb, buf, size);
3851 ffio_free_dyn_buf(&pb_buf);
3856 static void mov_write_psp_udta_tag(AVIOContext *pb,
3857 const char *str, const char *lang, int type)
3859 int len = utf8len(str) + 1;
3862 avio_wb16(pb, len * 2 + 10); /* size */
3863 avio_wb32(pb, type); /* type */
3864 avio_wb16(pb, language_code(lang)); /* language */
3865 avio_wb16(pb, 0x01); /* ? */
3866 ascii_to_wc(pb, str);
3869 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
3871 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
3875 pos = avio_tell(pb);
3876 avio_wb32(pb, 0); /* size placeholder*/
3877 ffio_wfourcc(pb, "uuid");
3878 ffio_wfourcc(pb, "USMT");
3879 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
3880 avio_wb32(pb, 0xbb88695c);
3881 avio_wb32(pb, 0xfac9c740);
3883 pos2 = avio_tell(pb);
3884 avio_wb32(pb, 0); /* size placeholder*/
3885 ffio_wfourcc(pb, "MTDT");
3889 avio_wb16(pb, 0x0C); /* size */
3890 avio_wb32(pb, 0x0B); /* type */
3891 avio_wb16(pb, language_code("und")); /* language */
3892 avio_wb16(pb, 0x0); /* ? */
3893 avio_wb16(pb, 0x021C); /* data */
3895 if (!(s->flags & AVFMT_FLAG_BITEXACT))
3896 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
3897 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
3898 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
3900 update_size(pb, pos2);
3901 return update_size(pb, pos);
3907 static void build_chunks(MOVTrack *trk)
3910 MOVIentry *chunk = &trk->cluster[0];
3911 uint64_t chunkSize = chunk->size;
3912 chunk->chunkNum = 1;
3913 if (trk->chunkCount)
3915 trk->chunkCount = 1;
3916 for (i = 1; i<trk->entry; i++){
3917 if (chunk->pos + chunkSize == trk->cluster[i].pos &&
3918 chunkSize + trk->cluster[i].size < (1<<20)){
3919 chunkSize += trk->cluster[i].size;
3920 chunk->samples_in_chunk += trk->cluster[i].entries;
3922 trk->cluster[i].chunkNum = chunk->chunkNum+1;
3923 chunk=&trk->cluster[i];
3924 chunkSize = chunk->size;
3931 * Assign track ids. If option "use_stream_ids_as_track_ids" is set,
3932 * the stream ids are used as track ids.
3934 * This assumes mov->tracks and s->streams are in the same order and
3935 * there are no gaps in either of them (so mov->tracks[n] refers to
3938 * As an exception, there can be more entries in
3939 * s->streams than in mov->tracks, in which case new track ids are
3940 * generated (starting after the largest found stream id).
3942 static int mov_setup_track_ids(MOVMuxContext *mov, AVFormatContext *s)
3946 if (mov->track_ids_ok)
3949 if (mov->use_stream_ids_as_track_ids) {
3950 int next_generated_track_id = 0;
3951 for (i = 0; i < s->nb_streams; i++) {
3952 if (s->streams[i]->id > next_generated_track_id)
3953 next_generated_track_id = s->streams[i]->id;
3956 for (i = 0; i < mov->nb_streams; i++) {
3957 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
3960 mov->tracks[i].track_id = i >= s->nb_streams ? ++next_generated_track_id : s->streams[i]->id;
3963 for (i = 0; i < mov->nb_streams; i++) {
3964 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
3967 mov->tracks[i].track_id = i + 1;
3971 mov->track_ids_ok = 1;
3976 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
3980 int64_t pos = avio_tell(pb);
3981 avio_wb32(pb, 0); /* size placeholder*/
3982 ffio_wfourcc(pb, "moov");
3984 mov_setup_track_ids(mov, s);
3986 for (i = 0; i < mov->nb_streams; i++) {
3987 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
3990 mov->tracks[i].time = mov->time;
3992 if (mov->tracks[i].entry)
3993 build_chunks(&mov->tracks[i]);
3996 if (mov->chapter_track)
3997 for (i = 0; i < s->nb_streams; i++) {
3998 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
3999 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
4001 for (i = 0; i < mov->nb_streams; i++) {
4002 MOVTrack *track = &mov->tracks[i];
4003 if (track->tag == MKTAG('r','t','p',' ')) {
4004 track->tref_tag = MKTAG('h','i','n','t');
4005 track->tref_id = mov->tracks[track->src_track].track_id;
4006 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
4007 int * fallback, size;
4008 fallback = (int*)av_stream_get_side_data(track->st,
4009 AV_PKT_DATA_FALLBACK_TRACK,
4011 if (fallback != NULL && size == sizeof(int)) {
4012 if (*fallback >= 0 && *fallback < mov->nb_streams) {
4013 track->tref_tag = MKTAG('f','a','l','l');
4014 track->tref_id = mov->tracks[*fallback].track_id;
4019 for (i = 0; i < mov->nb_streams; i++) {
4020 if (mov->tracks[i].tag == MKTAG('t','m','c','d')) {
4021 int src_trk = mov->tracks[i].src_track;
4022 mov->tracks[src_trk].tref_tag = mov->tracks[i].tag;
4023 mov->tracks[src_trk].tref_id = mov->tracks[i].track_id;
4024 //src_trk may have a different timescale than the tmcd track
4025 mov->tracks[i].track_duration = av_rescale(mov->tracks[src_trk].track_duration,
4026 mov->tracks[i].timescale,
4027 mov->tracks[src_trk].timescale);
4031 mov_write_mvhd_tag(pb, mov);
4032 if (mov->mode != MODE_MOV && !mov->iods_skip)
4033 mov_write_iods_tag(pb, mov);
4034 for (i = 0; i < mov->nb_streams; i++) {
4035 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
4036 int ret = mov_write_trak_tag(s, pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
4041 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
4042 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
4044 if (mov->mode == MODE_PSP)
4045 mov_write_uuidusmt_tag(pb, s);
4047 mov_write_udta_tag(pb, mov, s);
4049 return update_size(pb, pos);
4052 static void param_write_int(AVIOContext *pb, const char *name, int value)
4054 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
4057 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
4059 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
4062 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
4065 len = FFMIN(sizeof(buf) / 2 - 1, len);
4066 ff_data_to_hex(buf, value, len, 0);
4067 buf[2 * len] = '\0';
4068 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
4071 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov, AVFormatContext *s)
4073 int64_t pos = avio_tell(pb);
4075 int64_t manifest_bit_rate = 0;
4076 AVCPBProperties *props = NULL;
4078 static const uint8_t uuid[] = {
4079 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
4080 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
4084 ffio_wfourcc(pb, "uuid");
4085 avio_write(pb, uuid, sizeof(uuid));
4088 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
4089 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
4090 avio_printf(pb, "<head>\n");
4091 if (!(mov->fc->flags & AVFMT_FLAG_BITEXACT))
4092 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
4094 avio_printf(pb, "</head>\n");
4095 avio_printf(pb, "<body>\n");
4096 avio_printf(pb, "<switch>\n");
4098 mov_setup_track_ids(mov, s);
4100 for (i = 0; i < mov->nb_streams; i++) {
4101 MOVTrack *track = &mov->tracks[i];
4103 int track_id = track->track_id;
4104 char track_name_buf[32] = { 0 };
4106 AVStream *st = track->st;
4107 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
4109 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO && !is_cover_image(st)) {
4111 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
4117 props = (AVCPBProperties*)av_stream_get_side_data(track->st, AV_PKT_DATA_CPB_PROPERTIES, NULL);
4119 if (track->par->bit_rate) {
4120 manifest_bit_rate = track->par->bit_rate;
4122 manifest_bit_rate = props->max_bitrate;
4125 avio_printf(pb, "<%s systemBitrate=\"%"PRId64"\">\n", type,
4127 param_write_int(pb, "systemBitrate", manifest_bit_rate);
4128 param_write_int(pb, "trackID", track_id);
4129 param_write_string(pb, "systemLanguage", lang ? lang->value : "und");
4131 /* Build track name piece by piece: */
4133 av_strlcat(track_name_buf, type, sizeof(track_name_buf));
4134 /* 2. track language, if available */
4136 av_strlcatf(track_name_buf, sizeof(track_name_buf),
4137 "_%s", lang->value);
4138 /* 3. special type suffix */
4139 /* "_cc" = closed captions, "_ad" = audio_description */
4140 if (st->disposition & AV_DISPOSITION_HEARING_IMPAIRED)
4141 av_strlcat(track_name_buf, "_cc", sizeof(track_name_buf));
4142 else if (st->disposition & AV_DISPOSITION_VISUAL_IMPAIRED)
4143 av_strlcat(track_name_buf, "_ad", sizeof(track_name_buf));
4145 param_write_string(pb, "trackName", track_name_buf);
4147 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
4148 if (track->par->codec_id == AV_CODEC_ID_H264) {
4150 int size = track->par->extradata_size;
4151 if (!ff_avc_write_annexb_extradata(track->par->extradata, &ptr,
4153 param_write_hex(pb, "CodecPrivateData",
4154 ptr ? ptr : track->par->extradata,
4158 param_write_string(pb, "FourCC", "H264");
4159 } else if (track->par->codec_id == AV_CODEC_ID_VC1) {
4160 param_write_string(pb, "FourCC", "WVC1");
4161 param_write_hex(pb, "CodecPrivateData", track->par->extradata,
4162 track->par->extradata_size);
4164 param_write_int(pb, "MaxWidth", track->par->width);
4165 param_write_int(pb, "MaxHeight", track->par->height);
4166 param_write_int(pb, "DisplayWidth", track->par->width);
4167 param_write_int(pb, "DisplayHeight", track->par->height);
4169 if (track->par->codec_id == AV_CODEC_ID_AAC) {
4170 switch (track->par->profile)
4172 case FF_PROFILE_AAC_HE_V2:
4173 param_write_string(pb, "FourCC", "AACP");
4175 case FF_PROFILE_AAC_HE:
4176 param_write_string(pb, "FourCC", "AACH");
4179 param_write_string(pb, "FourCC", "AACL");
4181 } else if (track->par->codec_id == AV_CODEC_ID_WMAPRO) {
4182 param_write_string(pb, "FourCC", "WMAP");
4184 param_write_hex(pb, "CodecPrivateData", track->par->extradata,
4185 track->par->extradata_size);
4186 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
4187 track->par->codec_id));
4188 param_write_int(pb, "Channels", track->par->channels);
4189 param_write_int(pb, "SamplingRate", track->par->sample_rate);
4190 param_write_int(pb, "BitsPerSample", 16);
4191 param_write_int(pb, "PacketSize", track->par->block_align ?
4192 track->par->block_align : 4);
4194 avio_printf(pb, "</%s>\n", type);
4196 avio_printf(pb, "</switch>\n");
4197 avio_printf(pb, "</body>\n");
4198 avio_printf(pb, "</smil>\n");
4200 return update_size(pb, pos);
4203 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
4206 ffio_wfourcc(pb, "mfhd");
4208 avio_wb32(pb, mov->fragments);
4212 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
4214 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
4215 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
4218 static int mov_write_tfhd_tag(AVIOContext *pb, MOVMuxContext *mov,
4219 MOVTrack *track, int64_t moof_offset)
4221 int64_t pos = avio_tell(pb);
4222 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
4223 MOV_TFHD_BASE_DATA_OFFSET;
4224 if (!track->entry) {
4225 flags |= MOV_TFHD_DURATION_IS_EMPTY;
4227 flags |= MOV_TFHD_DEFAULT_FLAGS;
4229 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET)
4230 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
4231 if (mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) {
4232 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
4233 flags |= MOV_TFHD_DEFAULT_BASE_IS_MOOF;
4235 /* CMAF requires all values to be explicit in tfhd atoms */
4236 if (mov->flags & FF_MOV_FLAG_CMAF)
4237 flags |= MOV_TFHD_STSD_ID;
4239 /* Don't set a default sample size, the silverlight player refuses
4240 * to play files with that set. Don't set a default sample duration,
4241 * WMP freaks out if it is set. Don't set a base data offset, PIFF
4242 * file format says it MUST NOT be set. */
4243 if (track->mode == MODE_ISM)
4244 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
4245 MOV_TFHD_BASE_DATA_OFFSET | MOV_TFHD_STSD_ID);
4247 avio_wb32(pb, 0); /* size placeholder */
4248 ffio_wfourcc(pb, "tfhd");
4249 avio_w8(pb, 0); /* version */
4250 avio_wb24(pb, flags);
4252 avio_wb32(pb, track->track_id); /* track-id */
4253 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
4254 avio_wb64(pb, moof_offset);
4255 if (flags & MOV_TFHD_STSD_ID) {
4258 if (flags & MOV_TFHD_DEFAULT_DURATION) {
4259 track->default_duration = get_cluster_duration(track, 0);
4260 avio_wb32(pb, track->default_duration);
4262 if (flags & MOV_TFHD_DEFAULT_SIZE) {
4263 track->default_size = track->entry ? track->cluster[0].size : 1;
4264 avio_wb32(pb, track->default_size);
4266 track->default_size = -1;
4268 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
4269 /* Set the default flags based on the second sample, if available.
4270 * If the first sample is different, that can be signaled via a separate field. */
4271 if (track->entry > 1)
4272 track->default_sample_flags = get_sample_flags(track, &track->cluster[1]);
4274 track->default_sample_flags =
4275 track->par->codec_type == AVMEDIA_TYPE_VIDEO ?
4276 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
4277 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
4278 avio_wb32(pb, track->default_sample_flags);
4281 return update_size(pb, pos);
4284 static int mov_write_trun_tag(AVIOContext *pb, MOVMuxContext *mov,
4285 MOVTrack *track, int moof_size,
4288 int64_t pos = avio_tell(pb);
4289 uint32_t flags = MOV_TRUN_DATA_OFFSET;
4292 for (i = first; i < end; i++) {
4293 if (get_cluster_duration(track, i) != track->default_duration)
4294 flags |= MOV_TRUN_SAMPLE_DURATION;
4295 if (track->cluster[i].size != track->default_size)
4296 flags |= MOV_TRUN_SAMPLE_SIZE;
4297 if (i > first && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
4298 flags |= MOV_TRUN_SAMPLE_FLAGS;
4300 if (!(flags & MOV_TRUN_SAMPLE_FLAGS) && track->entry > 0 &&
4301 get_sample_flags(track, &track->cluster[0]) != track->default_sample_flags)
4302 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
4303 if (track->flags & MOV_TRACK_CTTS)
4304 flags |= MOV_TRUN_SAMPLE_CTS;
4306 avio_wb32(pb, 0); /* size placeholder */
4307 ffio_wfourcc(pb, "trun");
4308 if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4309 avio_w8(pb, 1); /* version */
4311 avio_w8(pb, 0); /* version */
4312 avio_wb24(pb, flags);
4314 avio_wb32(pb, end - first); /* sample count */
4315 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
4316 !(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) &&
4318 avio_wb32(pb, 0); /* Later tracks follow immediately after the previous one */
4320 avio_wb32(pb, moof_size + 8 + track->data_offset +
4321 track->cluster[first].pos); /* data offset */
4322 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
4323 avio_wb32(pb, get_sample_flags(track, &track->cluster[first]));
4325 for (i = first; i < end; i++) {
4326 if (flags & MOV_TRUN_SAMPLE_DURATION)
4327 avio_wb32(pb, get_cluster_duration(track, i));
4328 if (flags & MOV_TRUN_SAMPLE_SIZE)
4329 avio_wb32(pb, track->cluster[i].size);
4330 if (flags & MOV_TRUN_SAMPLE_FLAGS)
4331 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
4332 if (flags & MOV_TRUN_SAMPLE_CTS)
4333 avio_wb32(pb, track->cluster[i].cts);
4336 mov->first_trun = 0;
4337 return update_size(pb, pos);
4340 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
4342 int64_t pos = avio_tell(pb);
4343 static const uint8_t uuid[] = {
4344 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
4345 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
4348 avio_wb32(pb, 0); /* size placeholder */
4349 ffio_wfourcc(pb, "uuid");
4350 avio_write(pb, uuid, sizeof(uuid));
4353 avio_wb64(pb, track->start_dts + track->frag_start +
4354 track->cluster[0].cts);
4355 avio_wb64(pb, track->end_pts -
4356 (track->cluster[0].dts + track->cluster[0].cts));
4358 return update_size(pb, pos);
4361 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
4362 MOVTrack *track, int entry)
4364 int n = track->nb_frag_info - 1 - entry, i;
4365 int size = 8 + 16 + 4 + 1 + 16*n;
4366 static const uint8_t uuid[] = {
4367 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
4368 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
4374 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
4375 avio_wb32(pb, size);
4376 ffio_wfourcc(pb, "uuid");
4377 avio_write(pb, uuid, sizeof(uuid));
4381 for (i = 0; i < n; i++) {
4382 int index = entry + 1 + i;
4383 avio_wb64(pb, track->frag_info[index].time);
4384 avio_wb64(pb, track->frag_info[index].duration);
4386 if (n < mov->ism_lookahead) {
4387 int free_size = 16 * (mov->ism_lookahead - n);
4388 avio_wb32(pb, free_size);
4389 ffio_wfourcc(pb, "free");
4390 ffio_fill(pb, 0, free_size - 8);
4396 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
4399 int64_t pos = avio_tell(pb);
4401 for (i = 0; i < mov->ism_lookahead; i++) {
4402 /* Update the tfrf tag for the last ism_lookahead fragments,
4403 * nb_frag_info - 1 is the next fragment to be written. */
4404 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
4406 avio_seek(pb, pos, SEEK_SET);
4410 static int mov_add_tfra_entries(AVIOContext *pb, MOVMuxContext *mov, int tracks,
4414 for (i = 0; i < mov->nb_streams; i++) {
4415 MOVTrack *track = &mov->tracks[i];
4416 MOVFragmentInfo *info;
4417 if ((tracks >= 0 && i != tracks) || !track->entry)
4419 track->nb_frag_info++;
4420 if (track->nb_frag_info >= track->frag_info_capacity) {
4421 unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT;
4422 if (av_reallocp_array(&track->frag_info,
4424 sizeof(*track->frag_info)))
4425 return AVERROR(ENOMEM);
4426 track->frag_info_capacity = new_capacity;
4428 info = &track->frag_info[track->nb_frag_info - 1];
4429 info->offset = avio_tell(pb);
4431 // Try to recreate the original pts for the first packet
4432 // from the fields we have stored
4433 info->time = track->start_dts + track->frag_start +
4434 track->cluster[0].cts;
4435 info->duration = track->end_pts -
4436 (track->cluster[0].dts + track->cluster[0].cts);
4437 // If the pts is less than zero, we will have trimmed
4438 // away parts of the media track using an edit list,
4439 // and the corresponding start presentation time is zero.
4440 if (info->time < 0) {
4441 info->duration += info->time;
4444 info->tfrf_offset = 0;
4445 mov_write_tfrf_tags(pb, mov, track);
4450 static void mov_prune_frag_info(MOVMuxContext *mov, int tracks, int max)
4453 for (i = 0; i < mov->nb_streams; i++) {
4454 MOVTrack *track = &mov->tracks[i];
4455 if ((tracks >= 0 && i != tracks) || !track->entry)
4457 if (track->nb_frag_info > max) {
4458 memmove(track->frag_info, track->frag_info + (track->nb_frag_info - max), max * sizeof(*track->frag_info));
4459 track->nb_frag_info = max;
4464 static int mov_write_tfdt_tag(AVIOContext *pb, MOVTrack *track)
4466 int64_t pos = avio_tell(pb);
4468 avio_wb32(pb, 0); /* size */
4469 ffio_wfourcc(pb, "tfdt");
4470 avio_w8(pb, 1); /* version */
4472 avio_wb64(pb, track->frag_start);
4473 return update_size(pb, pos);
4476 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
4477 MOVTrack *track, int64_t moof_offset,
4480 int64_t pos = avio_tell(pb);
4482 avio_wb32(pb, 0); /* size placeholder */
4483 ffio_wfourcc(pb, "traf");
4485 mov_write_tfhd_tag(pb, mov, track, moof_offset);
4486 if (mov->mode != MODE_ISM)
4487 mov_write_tfdt_tag(pb, track);
4488 for (i = 1; i < track->entry; i++) {
4489 if (track->cluster[i].pos != track->cluster[i - 1].pos + track->cluster[i - 1].size) {
4490 mov_write_trun_tag(pb, mov, track, moof_size, start, i);
4494 mov_write_trun_tag(pb, mov, track, moof_size, start, track->entry);
4495 if (mov->mode == MODE_ISM) {
4496 mov_write_tfxd_tag(pb, track);
4498 if (mov->ism_lookahead) {
4499 int i, size = 16 + 4 + 1 + 16 * mov->ism_lookahead;
4501 if (track->nb_frag_info > 0) {
4502 MOVFragmentInfo *info = &track->frag_info[track->nb_frag_info - 1];
4503 if (!info->tfrf_offset)
4504 info->tfrf_offset = avio_tell(pb);
4506 avio_wb32(pb, 8 + size);
4507 ffio_wfourcc(pb, "free");
4508 for (i = 0; i < size; i++)
4513 return update_size(pb, pos);
4516 static int mov_write_moof_tag_internal(AVIOContext *pb, MOVMuxContext *mov,
4517 int tracks, int moof_size)
4519 int64_t pos = avio_tell(pb);
4522 avio_wb32(pb, 0); /* size placeholder */
4523 ffio_wfourcc(pb, "moof");
4524 mov->first_trun = 1;
4526 mov_write_mfhd_tag(pb, mov);
4527 for (i = 0; i < mov->nb_streams; i++) {
4528 MOVTrack *track = &mov->tracks[i];
4529 if (tracks >= 0 && i != tracks)
4533 mov_write_traf_tag(pb, mov, track, pos, moof_size);
4536 return update_size(pb, pos);
4539 static int mov_write_sidx_tag(AVIOContext *pb,
4540 MOVTrack *track, int ref_size, int total_sidx_size)
4542 int64_t pos = avio_tell(pb), offset_pos, end_pos;
4543 int64_t presentation_time, duration, offset;
4544 unsigned starts_with_SAP;
4549 presentation_time = track->start_dts + track->frag_start +
4550 track->cluster[0].cts;
4551 duration = track->end_pts -
4552 (track->cluster[0].dts + track->cluster[0].cts);
4553 starts_with_SAP = track->cluster[0].flags & MOV_SYNC_SAMPLE;
4555 // pts<0 should be cut away using edts
4556 if (presentation_time < 0) {
4557 duration += presentation_time;
4558 presentation_time = 0;
4561 entries = track->nb_frag_info;
4564 presentation_time = track->frag_info[0].time;
4567 avio_wb32(pb, 0); /* size */
4568 ffio_wfourcc(pb, "sidx");
4569 avio_w8(pb, 1); /* version */
4571 avio_wb32(pb, track->track_id); /* reference_ID */
4572 avio_wb32(pb, track->timescale); /* timescale */
4573 avio_wb64(pb, presentation_time); /* earliest_presentation_time */
4574 offset_pos = avio_tell(pb);
4575 avio_wb64(pb, 0); /* first_offset (offset to referenced moof) */
4576 avio_wb16(pb, 0); /* reserved */
4578 avio_wb16(pb, entries); /* reference_count */
4579 for (i = 0; i < entries; i++) {
4580 if (!track->entry) {
4581 if (i > 1 && track->frag_info[i].offset != track->frag_info[i - 1].offset + track->frag_info[i - 1].size) {
4582 av_log(NULL, AV_LOG_ERROR, "Non-consecutive fragments, writing incorrect sidx\n");
4584 duration = track->frag_info[i].duration;
4585 ref_size = track->frag_info[i].size;
4586 starts_with_SAP = 1;
4588 avio_wb32(pb, (0 << 31) | (ref_size & 0x7fffffff)); /* reference_type (0 = media) | referenced_size */
4589 avio_wb32(pb, duration); /* subsegment_duration */
4590 avio_wb32(pb, (starts_with_SAP << 31) | (0 << 28) | 0); /* starts_with_SAP | SAP_type | SAP_delta_time */
4593 end_pos = avio_tell(pb);
4594 offset = pos + total_sidx_size - end_pos;
4595 avio_seek(pb, offset_pos, SEEK_SET);
4596 avio_wb64(pb, offset);
4597 avio_seek(pb, end_pos, SEEK_SET);
4598 return update_size(pb, pos);
4601 static int mov_write_sidx_tags(AVIOContext *pb, MOVMuxContext *mov,
4602 int tracks, int ref_size)
4605 AVIOContext *avio_buf;
4607 for (round = 0; round < 2; round++) {
4608 // First run one round to calculate the total size of all
4610 // This would be much simpler if we'd only write one sidx
4611 // atom, for the first track in the moof.
4613 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
4618 for (i = 0; i < mov->nb_streams; i++) {
4619 MOVTrack *track = &mov->tracks[i];
4620 if (tracks >= 0 && i != tracks)
4622 // When writing a sidx for the full file, entry is 0, but
4623 // we want to include all tracks. ref_size is 0 in this case,
4624 // since we read it from frag_info instead.
4625 if (!track->entry && ref_size > 0)
4627 total_size -= mov_write_sidx_tag(avio_buf, track, ref_size,
4631 total_size = ffio_close_null_buf(avio_buf);
4636 static int mov_write_prft_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
4638 int64_t pos = avio_tell(pb), pts_us, ntp_ts;
4639 MOVTrack *first_track;
4642 /* PRFT should be associated with at most one track. So, choosing only the
4646 first_track = &(mov->tracks[0]);
4648 if (!first_track->entry) {
4649 av_log(mov->fc, AV_LOG_WARNING, "Unable to write PRFT, no entries in the track\n");
4653 if (first_track->cluster[0].pts == AV_NOPTS_VALUE) {
4654 av_log(mov->fc, AV_LOG_WARNING, "Unable to write PRFT, first PTS is invalid\n");
4658 if (mov->write_prft == MOV_PRFT_SRC_WALLCLOCK) {
4659 if (first_track->cluster[0].prft.wallclock) {
4660 /* Round the NTP time to whole milliseconds. */
4661 ntp_ts = ff_get_formatted_ntp_time((first_track->cluster[0].prft.wallclock / 1000) * 1000 +
4663 flags = first_track->cluster[0].prft.flags;
4665 ntp_ts = ff_get_formatted_ntp_time(ff_ntp_time());
4666 } else if (mov->write_prft == MOV_PRFT_SRC_PTS) {
4667 pts_us = av_rescale_q(first_track->cluster[0].pts,
4668 first_track->st->time_base, AV_TIME_BASE_Q);
4669 ntp_ts = ff_get_formatted_ntp_time(pts_us + NTP_OFFSET_US);
4671 av_log(mov->fc, AV_LOG_WARNING, "Unsupported PRFT box configuration: %d\n",
4676 avio_wb32(pb, 0); // Size place holder
4677 ffio_wfourcc(pb, "prft"); // Type
4678 avio_w8(pb, 1); // Version
4679 avio_wb24(pb, flags); // Flags
4680 avio_wb32(pb, first_track->track_id); // reference track ID
4681 avio_wb64(pb, ntp_ts); // NTP time stamp
4682 avio_wb64(pb, first_track->cluster[0].pts); //media time
4683 return update_size(pb, pos);
4686 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks,
4689 AVIOContext *avio_buf;
4692 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
4694 mov_write_moof_tag_internal(avio_buf, mov, tracks, 0);
4695 moof_size = ffio_close_null_buf(avio_buf);
4697 if (mov->flags & FF_MOV_FLAG_DASH &&
4698 !(mov->flags & (FF_MOV_FLAG_GLOBAL_SIDX | FF_MOV_FLAG_SKIP_SIDX)))
4699 mov_write_sidx_tags(pb, mov, tracks, moof_size + 8 + mdat_size);
4701 if (mov->write_prft > MOV_PRFT_NONE && mov->write_prft < MOV_PRFT_NB)
4702 mov_write_prft_tag(pb, mov, tracks);
4704 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX ||
4705 !(mov->flags & FF_MOV_FLAG_SKIP_TRAILER) ||
4706 mov->ism_lookahead) {
4707 if ((ret = mov_add_tfra_entries(pb, mov, tracks, moof_size + 8 + mdat_size)) < 0)
4709 if (!(mov->flags & FF_MOV_FLAG_GLOBAL_SIDX) &&
4710 mov->flags & FF_MOV_FLAG_SKIP_TRAILER) {
4711 mov_prune_frag_info(mov, tracks, mov->ism_lookahead + 1);
4715 return mov_write_moof_tag_internal(pb, mov, tracks, moof_size);
4718 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
4720 int64_t pos = avio_tell(pb);
4723 avio_wb32(pb, 0); /* size placeholder */
4724 ffio_wfourcc(pb, "tfra");
4725 avio_w8(pb, 1); /* version */
4728 avio_wb32(pb, track->track_id);
4729 avio_wb32(pb, 0); /* length of traf/trun/sample num */
4730 avio_wb32(pb, track->nb_frag_info);
4731 for (i = 0; i < track->nb_frag_info; i++) {
4732 avio_wb64(pb, track->frag_info[i].time);
4733 avio_wb64(pb, track->frag_info[i].offset + track->data_offset);
4734 avio_w8(pb, 1); /* traf number */
4735 avio_w8(pb, 1); /* trun number */
4736 avio_w8(pb, 1); /* sample number */
4739 return update_size(pb, pos);
4742 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
4744 int64_t pos = avio_tell(pb);
4747 avio_wb32(pb, 0); /* size placeholder */
4748 ffio_wfourcc(pb, "mfra");
4749 /* An empty mfra atom is enough to indicate to the publishing point that
4750 * the stream has ended. */
4751 if (mov->flags & FF_MOV_FLAG_ISML)
4752 return update_size(pb, pos);
4754 for (i = 0; i < mov->nb_streams; i++) {
4755 MOVTrack *track = &mov->tracks[i];
4756 if (track->nb_frag_info)
4757 mov_write_tfra_tag(pb, track);
4761 ffio_wfourcc(pb, "mfro");
4762 avio_wb32(pb, 0); /* version + flags */
4763 avio_wb32(pb, avio_tell(pb) + 4 - pos);
4765 return update_size(pb, pos);
4768 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
4770 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
4771 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
4773 mov->mdat_pos = avio_tell(pb);
4774 avio_wb32(pb, 0); /* size placeholder*/
4775 ffio_wfourcc(pb, "mdat");
4779 static void mov_write_ftyp_tag_internal(AVIOContext *pb, AVFormatContext *s,
4780 int has_h264, int has_video, int write_minor)
4782 MOVMuxContext *mov = s->priv_data;
4785 if (mov->major_brand && strlen(mov->major_brand) >= 4)
4786 ffio_wfourcc(pb, mov->major_brand);
4787 else if (mov->mode == MODE_3GP) {
4788 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
4789 minor = has_h264 ? 0x100 : 0x200;
4790 } else if (mov->mode & MODE_3G2) {
4791 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
4792 minor = has_h264 ? 0x20000 : 0x10000;
4793 } else if (mov->mode == MODE_PSP)
4794 ffio_wfourcc(pb, "MSNV");
4795 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_FRAGMENT &&
4796 mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4797 ffio_wfourcc(pb, "iso6"); // Required when using signed CTS offsets in trun boxes
4798 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
4799 ffio_wfourcc(pb, "iso5"); // Required when using default-base-is-moof
4800 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4801 ffio_wfourcc(pb, "iso4");
4802 else if (mov->mode == MODE_MP4)
4803 ffio_wfourcc(pb, "isom");
4804 else if (mov->mode == MODE_IPOD)
4805 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
4806 else if (mov->mode == MODE_ISM)
4807 ffio_wfourcc(pb, "isml");
4808 else if (mov->mode == MODE_F4V)
4809 ffio_wfourcc(pb, "f4v ");
4811 ffio_wfourcc(pb, "qt ");
4814 avio_wb32(pb, minor);
4817 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
4819 MOVMuxContext *mov = s->priv_data;
4820 int64_t pos = avio_tell(pb);
4821 int has_h264 = 0, has_video = 0;
4824 for (i = 0; i < s->nb_streams; i++) {
4825 AVStream *st = s->streams[i];
4826 if (is_cover_image(st))
4828 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
4830 if (st->codecpar->codec_id == AV_CODEC_ID_H264)
4834 avio_wb32(pb, 0); /* size */
4835 ffio_wfourcc(pb, "ftyp");
4837 // Write major brand
4838 mov_write_ftyp_tag_internal(pb, s, has_h264, has_video, 1);
4839 // Write the major brand as the first compatible brand as well
4840 mov_write_ftyp_tag_internal(pb, s, has_h264, has_video, 0);
4842 // Write compatible brands, ensuring that we don't write the major brand as a
4843 // compatible brand a second time.
4844 if (mov->mode == MODE_ISM) {
4845 ffio_wfourcc(pb, "piff");
4846 } else if (mov->mode != MODE_MOV) {
4847 // We add tfdt atoms when fragmenting, signal this with the iso6 compatible
4848 // brand, if not already the major brand. This is compatible with users that
4849 // don't understand tfdt.
4850 if (mov->mode == MODE_MP4) {
4851 if (mov->flags & FF_MOV_FLAG_CMAF)
4852 ffio_wfourcc(pb, "cmfc");
4853 if (mov->flags & FF_MOV_FLAG_FRAGMENT && !(mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS))
4854 ffio_wfourcc(pb, "iso6");
4856 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
4857 ffio_wfourcc(pb, "iso6");
4858 if (mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
4859 ffio_wfourcc(pb, "iso5");
4860 else if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4861 ffio_wfourcc(pb, "iso4");
4863 // Brands prior to iso5 can't be signaled when using default-base-is-moof
4864 if (!(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)) {
4865 // write isom for mp4 only if it it's not the major brand already.
4866 if (mov->mode != MODE_MP4 || mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4867 ffio_wfourcc(pb, "isom");
4868 ffio_wfourcc(pb, "iso2");
4870 ffio_wfourcc(pb, "avc1");
4874 if (mov->mode == MODE_MP4)
4875 ffio_wfourcc(pb, "mp41");
4877 if (mov->flags & FF_MOV_FLAG_DASH && mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
4878 ffio_wfourcc(pb, "dash");
4880 return update_size(pb, pos);
4883 static int mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
4885 AVStream *video_st = s->streams[0];
4886 AVCodecParameters *video_par = s->streams[0]->codecpar;
4887 AVCodecParameters *audio_par = s->streams[1]->codecpar;
4888 int audio_rate = audio_par->sample_rate;
4889 int64_t frame_rate = video_st->avg_frame_rate.den ?
4890 (video_st->avg_frame_rate.num * 0x10000LL) / video_st->avg_frame_rate.den :
4892 int audio_kbitrate = audio_par->bit_rate / 1000;
4893 int video_kbitrate = FFMIN(video_par->bit_rate / 1000, 800 - audio_kbitrate);
4895 if (frame_rate < 0 || frame_rate > INT32_MAX) {
4896 av_log(s, AV_LOG_ERROR, "Frame rate %f outside supported range\n", frame_rate / (double)0x10000);
4897 return AVERROR(EINVAL);
4900 avio_wb32(pb, 0x94); /* size */
4901 ffio_wfourcc(pb, "uuid");
4902 ffio_wfourcc(pb, "PROF");
4904 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
4905 avio_wb32(pb, 0xbb88695c);
4906 avio_wb32(pb, 0xfac9c740);
4908 avio_wb32(pb, 0x0); /* ? */
4909 avio_wb32(pb, 0x3); /* 3 sections ? */
4911 avio_wb32(pb, 0x14); /* size */
4912 ffio_wfourcc(pb, "FPRF");
4913 avio_wb32(pb, 0x0); /* ? */
4914 avio_wb32(pb, 0x0); /* ? */
4915 avio_wb32(pb, 0x0); /* ? */
4917 avio_wb32(pb, 0x2c); /* size */
4918 ffio_wfourcc(pb, "APRF"); /* audio */
4920 avio_wb32(pb, 0x2); /* TrackID */
4921 ffio_wfourcc(pb, "mp4a");
4922 avio_wb32(pb, 0x20f);
4924 avio_wb32(pb, audio_kbitrate);
4925 avio_wb32(pb, audio_kbitrate);
4926 avio_wb32(pb, audio_rate);
4927 avio_wb32(pb, audio_par->channels);
4929 avio_wb32(pb, 0x34); /* size */
4930 ffio_wfourcc(pb, "VPRF"); /* video */
4932 avio_wb32(pb, 0x1); /* TrackID */
4933 if (video_par->codec_id == AV_CODEC_ID_H264) {
4934 ffio_wfourcc(pb, "avc1");
4935 avio_wb16(pb, 0x014D);
4936 avio_wb16(pb, 0x0015);
4938 ffio_wfourcc(pb, "mp4v");
4939 avio_wb16(pb, 0x0000);
4940 avio_wb16(pb, 0x0103);
4943 avio_wb32(pb, video_kbitrate);
4944 avio_wb32(pb, video_kbitrate);
4945 avio_wb32(pb, frame_rate);
4946 avio_wb32(pb, frame_rate);
4947 avio_wb16(pb, video_par->width);
4948 avio_wb16(pb, video_par->height);
4949 avio_wb32(pb, 0x010001); /* ? */
4954 static int mov_write_identification(AVIOContext *pb, AVFormatContext *s)
4956 MOVMuxContext *mov = s->priv_data;
4959 mov_write_ftyp_tag(pb,s);
4960 if (mov->mode == MODE_PSP) {
4961 int video_streams_nb = 0, audio_streams_nb = 0, other_streams_nb = 0;
4962 for (i = 0; i < s->nb_streams; i++) {
4963 AVStream *st = s->streams[i];
4964 if (is_cover_image(st))
4966 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
4968 else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
4974 if (video_streams_nb != 1 || audio_streams_nb != 1 || other_streams_nb) {
4975 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
4976 return AVERROR(EINVAL);
4978 return mov_write_uuidprof_tag(pb, s);
4983 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
4986 int i, closed_gop = 0;
4988 for (i = 0; i < pkt->size - 4; i++) {
4989 c = (c << 8) + pkt->data[i];
4990 if (c == 0x1b8) { // gop
4991 closed_gop = pkt->data[i + 4] >> 6 & 0x01;
4992 } else if (c == 0x100) { // pic
4993 int temp_ref = (pkt->data[i + 1] << 2) | (pkt->data[i + 2] >> 6);
4994 if (!temp_ref || closed_gop) // I picture is not reordered
4995 *flags = MOV_SYNC_SAMPLE;
4997 *flags = MOV_PARTIAL_SYNC_SAMPLE;
5004 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk)
5006 const uint8_t *start, *next, *end = pkt->data + pkt->size;
5007 int seq = 0, entry = 0;
5008 int key = pkt->flags & AV_PKT_FLAG_KEY;
5009 start = find_next_marker(pkt->data, end);
5010 for (next = start; next < end; start = next) {
5011 next = find_next_marker(start + 4, end);
5012 switch (AV_RB32(start)) {
5013 case VC1_CODE_SEQHDR:
5016 case VC1_CODE_ENTRYPOINT:
5019 case VC1_CODE_SLICE:
5020 trk->vc1_info.slices = 1;
5024 if (!trk->entry && trk->vc1_info.first_packet_seen)
5025 trk->vc1_info.first_frag_written = 1;
5026 if (!trk->entry && !trk->vc1_info.first_frag_written) {
5027 /* First packet in first fragment */
5028 trk->vc1_info.first_packet_seq = seq;
5029 trk->vc1_info.first_packet_entry = entry;
5030 trk->vc1_info.first_packet_seen = 1;
5031 } else if ((seq && !trk->vc1_info.packet_seq) ||
5032 (entry && !trk->vc1_info.packet_entry)) {
5034 for (i = 0; i < trk->entry; i++)
5035 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
5036 trk->has_keyframes = 0;
5038 trk->vc1_info.packet_seq = 1;
5040 trk->vc1_info.packet_entry = 1;
5041 if (!trk->vc1_info.first_frag_written) {
5042 /* First fragment */
5043 if ((!seq || trk->vc1_info.first_packet_seq) &&
5044 (!entry || trk->vc1_info.first_packet_entry)) {
5045 /* First packet had the same headers as this one, readd the
5046 * sync sample flag. */
5047 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
5048 trk->has_keyframes = 1;
5052 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
5054 else if (trk->vc1_info.packet_seq)
5056 else if (trk->vc1_info.packet_entry)
5059 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
5060 trk->has_keyframes++;
5064 static void mov_parse_truehd_frame(AVPacket *pkt, MOVTrack *trk)
5071 length = (AV_RB16(pkt->data) & 0xFFF) * 2;
5072 if (length < 8 || length > pkt->size)
5075 if (AV_RB32(pkt->data + 4) == 0xF8726FBA) {
5076 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
5077 trk->has_keyframes++;
5083 static int mov_flush_fragment_interleaving(AVFormatContext *s, MOVTrack *track)
5085 MOVMuxContext *mov = s->priv_data;
5090 if (!track->mdat_buf)
5092 if (!mov->mdat_buf) {
5093 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
5096 buf_size = avio_get_dyn_buf(track->mdat_buf, &buf);
5098 offset = avio_tell(mov->mdat_buf);
5099 avio_write(mov->mdat_buf, buf, buf_size);
5100 ffio_free_dyn_buf(&track->mdat_buf);
5102 for (i = track->entries_flushed; i < track->entry; i++)
5103 track->cluster[i].pos += offset;
5104 track->entries_flushed = track->entry;
5108 static int mov_flush_fragment(AVFormatContext *s, int force)
5110 MOVMuxContext *mov = s->priv_data;
5111 int i, first_track = -1;
5112 int64_t mdat_size = 0;
5114 int has_video = 0, starts_with_key = 0, first_video_track = 1;
5116 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
5119 // Try to fill in the duration of the last packet in each stream
5120 // from queued packets in the interleave queues. If the flushing
5121 // of fragments was triggered automatically by an AVPacket, we
5122 // already have reliable info for the end of that track, but other
5123 // tracks may need to be filled in.
5124 for (i = 0; i < s->nb_streams; i++) {
5125 MOVTrack *track = &mov->tracks[i];
5126 if (!track->end_reliable) {
5128 if (!ff_interleaved_peek(s, i, &pkt, 1)) {
5129 if (track->dts_shift != AV_NOPTS_VALUE)
5130 pkt.dts += track->dts_shift;
5131 track->track_duration = pkt.dts - track->start_dts;
5132 if (pkt.pts != AV_NOPTS_VALUE)
5133 track->end_pts = pkt.pts;
5135 track->end_pts = pkt.dts;
5140 for (i = 0; i < mov->nb_streams; i++) {
5141 MOVTrack *track = &mov->tracks[i];
5142 if (track->entry <= 1)
5144 // Sample durations are calculated as the diff of dts values,
5145 // but for the last sample in a fragment, we don't know the dts
5146 // of the first sample in the next fragment, so we have to rely
5147 // on what was set as duration in the AVPacket. Not all callers
5148 // set this though, so we might want to replace it with an
5149 // estimate if it currently is zero.
5150 if (get_cluster_duration(track, track->entry - 1) != 0)
5152 // Use the duration (i.e. dts diff) of the second last sample for
5153 // the last one. This is a wild guess (and fatal if it turns out
5154 // to be too long), but probably the best we can do - having a zero
5155 // duration is bad as well.
5156 track->track_duration += get_cluster_duration(track, track->entry - 2);
5157 track->end_pts += get_cluster_duration(track, track->entry - 2);
5158 if (!mov->missing_duration_warned) {
5159 av_log(s, AV_LOG_WARNING,
5160 "Estimating the duration of the last packet in a "
5161 "fragment, consider setting the duration field in "
5162 "AVPacket instead.\n");
5163 mov->missing_duration_warned = 1;
5167 if (!mov->moov_written) {
5168 int64_t pos = avio_tell(s->pb);
5170 int buf_size, moov_size;
5172 for (i = 0; i < mov->nb_streams; i++)
5173 if (!mov->tracks[i].entry && !is_cover_image(mov->tracks[i].st))
5175 /* Don't write the initial moov unless all tracks have data */
5176 if (i < mov->nb_streams && !force)
5179 moov_size = get_moov_size(s);
5180 for (i = 0; i < mov->nb_streams; i++)
5181 mov->tracks[i].data_offset = pos + moov_size + 8;
5183 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_HEADER);
5184 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
5185 mov_write_identification(s->pb, s);
5186 if ((ret = mov_write_moov_tag(s->pb, mov, s)) < 0)
5189 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV) {
5190 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
5191 mov->reserved_header_pos = avio_tell(s->pb);
5192 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
5193 mov->moov_written = 1;
5197 buf_size = avio_get_dyn_buf(mov->mdat_buf, &buf);
5198 avio_wb32(s->pb, buf_size + 8);
5199 ffio_wfourcc(s->pb, "mdat");
5200 avio_write(s->pb, buf, buf_size);
5201 ffio_free_dyn_buf(&mov->mdat_buf);
5203 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
5204 mov->reserved_header_pos = avio_tell(s->pb);
5206 mov->moov_written = 1;
5208 for (i = 0; i < mov->nb_streams; i++) {
5209 if (mov->tracks[i].entry)
5210 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
5211 mov->tracks[i].track_duration -
5212 mov->tracks[i].cluster[0].dts;
5213 mov->tracks[i].entry = 0;
5214 mov->tracks[i].end_reliable = 0;
5216 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
5220 if (mov->frag_interleave) {
5221 for (i = 0; i < mov->nb_streams; i++) {
5222 MOVTrack *track = &mov->tracks[i];
5224 if ((ret = mov_flush_fragment_interleaving(s, track)) < 0)
5230 mdat_size = avio_tell(mov->mdat_buf);
5233 for (i = 0; i < mov->nb_streams; i++) {
5234 MOVTrack *track = &mov->tracks[i];
5235 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF || mov->frag_interleave)
5236 track->data_offset = 0;
5238 track->data_offset = mdat_size;
5239 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
5241 if (first_video_track) {
5243 starts_with_key = track->cluster[0].flags & MOV_SYNC_SAMPLE;
5244 first_video_track = 0;
5249 if (track->mdat_buf)
5250 mdat_size += avio_tell(track->mdat_buf);
5251 if (first_track < 0)
5258 avio_write_marker(s->pb,
5259 av_rescale(mov->tracks[first_track].cluster[0].dts, AV_TIME_BASE, mov->tracks[first_track].timescale),
5260 (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);
5262 for (i = 0; i < mov->nb_streams; i++) {
5263 MOVTrack *track = &mov->tracks[i];
5264 int buf_size, write_moof = 1, moof_tracks = -1;
5266 int64_t duration = 0;
5269 duration = track->start_dts + track->track_duration -
5270 track->cluster[0].dts;
5271 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
5272 if (!track->mdat_buf)
5274 mdat_size = avio_tell(track->mdat_buf);
5277 write_moof = i == first_track;
5281 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
5283 mov_write_moof_tag(s->pb, mov, moof_tracks, mdat_size);
5286 avio_wb32(s->pb, mdat_size + 8);
5287 ffio_wfourcc(s->pb, "mdat");
5291 track->frag_start += duration;
5293 track->entries_flushed = 0;
5294 track->end_reliable = 0;
5295 if (!mov->frag_interleave) {
5296 if (!track->mdat_buf)
5298 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
5299 track->mdat_buf = NULL;
5303 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
5304 mov->mdat_buf = NULL;
5307 avio_write(s->pb, buf, buf_size);
5313 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
5317 static int mov_auto_flush_fragment(AVFormatContext *s, int force)
5319 MOVMuxContext *mov = s->priv_data;
5320 int had_moov = mov->moov_written;
5321 int ret = mov_flush_fragment(s, force);
5324 // If using delay_moov, the first flush only wrote the moov,
5325 // not the actual moof+mdat pair, thus flush once again.
5326 if (!had_moov && mov->flags & FF_MOV_FLAG_DELAY_MOOV)
5327 ret = mov_flush_fragment(s, force);
5331 static int check_pkt(AVFormatContext *s, AVPacket *pkt)
5333 MOVMuxContext *mov = s->priv_data;
5334 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5339 ref = trk->cluster[trk->entry - 1].dts;
5340 } else if ( trk->start_dts != AV_NOPTS_VALUE
5341 && !trk->frag_discont) {
5342 ref = trk->start_dts + trk->track_duration;
5344 ref = pkt->dts; // Skip tests for the first packet
5346 if (trk->dts_shift != AV_NOPTS_VALUE) {
5347 /* With negative CTS offsets we have set an offset to the DTS,
5348 * reverse this for the check. */
5349 ref -= trk->dts_shift;
5352 duration = pkt->dts - ref;
5353 if (pkt->dts < ref || duration >= INT_MAX) {
5354 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" / timestamp: %"PRId64" is out of range for mov/mp4 format\n",
5359 pkt->pts = AV_NOPTS_VALUE;
5362 if (pkt->duration < 0 || pkt->duration > INT_MAX) {
5363 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" is invalid\n", pkt->duration);
5364 return AVERROR(EINVAL);
5369 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
5371 MOVMuxContext *mov = s->priv_data;
5372 AVIOContext *pb = s->pb;
5373 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5374 AVCodecParameters *par = trk->par;
5375 AVProducerReferenceTime *prft;
5376 unsigned int samples_in_chunk = 0;
5377 int size = pkt->size, ret = 0;
5379 uint8_t *reformatted_data = NULL;
5381 ret = check_pkt(s, pkt);
5385 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
5387 if (mov->moov_written || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
5388 if (mov->frag_interleave && mov->fragments > 0) {
5389 if (trk->entry - trk->entries_flushed >= mov->frag_interleave) {
5390 if ((ret = mov_flush_fragment_interleaving(s, trk)) < 0)
5395 if (!trk->mdat_buf) {
5396 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
5401 if (!mov->mdat_buf) {
5402 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
5409 if (par->codec_id == AV_CODEC_ID_AMR_NB) {
5410 /* We must find out how many AMR blocks there are in one packet */
5411 static const uint16_t packed_size[16] =
5412 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
5415 while (len < size && samples_in_chunk < 100) {
5416 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
5419 if (samples_in_chunk > 1) {
5420 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
5423 } else if (par->codec_id == AV_CODEC_ID_ADPCM_MS ||
5424 par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
5425 samples_in_chunk = trk->par->frame_size;
5426 } else if (trk->sample_size)
5427 samples_in_chunk = size / trk->sample_size;
5429 samples_in_chunk = 1;
5431 if (samples_in_chunk < 1) {
5432 av_log(s, AV_LOG_ERROR, "fatal error, input packet contains no samples\n");
5433 return AVERROR_PATCHWELCOME;
5436 /* copy extradata if it exists */
5437 if (trk->vos_len == 0 && par->extradata_size > 0 &&
5438 !TAG_IS_AVCI(trk->tag) &&
5439 (par->codec_id != AV_CODEC_ID_DNXHD)) {
5440 trk->vos_len = par->extradata_size;
5441 trk->vos_data = av_malloc(trk->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
5442 if (!trk->vos_data) {
5443 ret = AVERROR(ENOMEM);
5446 memcpy(trk->vos_data, par->extradata, trk->vos_len);
5447 memset(trk->vos_data + trk->vos_len, 0, AV_INPUT_BUFFER_PADDING_SIZE);
5450 if (par->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 &&
5451 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
5452 if (!s->streams[pkt->stream_index]->nb_frames) {
5453 av_log(s, AV_LOG_ERROR, "Malformed AAC bitstream detected: "
5454 "use the audio bitstream filter 'aac_adtstoasc' to fix it "
5455 "('-bsf:a aac_adtstoasc' option with ffmpeg)\n");
5458 av_log(s, AV_LOG_WARNING, "aac bitstream error\n");
5460 if (par->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1 && !TAG_IS_AVCI(trk->tag)) {
5461 /* from x264 or from bytestream H.264 */
5462 /* NAL reformatting needed */
5463 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5464 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
5466 avio_write(pb, reformatted_data, size);
5468 if (trk->cenc.aes_ctr) {
5469 size = ff_mov_cenc_avc_parse_nal_units(&trk->cenc, pb, pkt->data, size);
5475 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
5478 } else if (par->codec_id == AV_CODEC_ID_HEVC && trk->vos_len > 6 &&
5479 (AV_RB24(trk->vos_data) == 1 || AV_RB32(trk->vos_data) == 1)) {
5480 /* extradata is Annex B, assume the bitstream is too and convert it */
5481 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5482 ff_hevc_annexb2mp4_buf(pkt->data, &reformatted_data, &size, 0, NULL);
5483 avio_write(pb, reformatted_data, size);
5485 size = ff_hevc_annexb2mp4(pb, pkt->data, pkt->size, 0, NULL);
5487 } else if (par->codec_id == AV_CODEC_ID_AV1) {
5488 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5489 ff_av1_filter_obus_buf(pkt->data, &reformatted_data, &size);
5490 avio_write(pb, reformatted_data, size);
5492 size = ff_av1_filter_obus(pb, pkt->data, pkt->size);
5494 #if CONFIG_AC3_PARSER
5495 } else if (par->codec_id == AV_CODEC_ID_EAC3) {
5496 size = handle_eac3(mov, pkt, trk);
5501 avio_write(pb, pkt->data, size);
5504 if (trk->cenc.aes_ctr) {
5505 if (par->codec_id == AV_CODEC_ID_H264 && par->extradata_size > 4) {
5506 int nal_size_length = (par->extradata[4] & 0x3) + 1;
5507 ret = ff_mov_cenc_avc_write_nal_units(s, &trk->cenc, nal_size_length, pb, pkt->data, size);
5509 ret = ff_mov_cenc_write_packet(&trk->cenc, pb, pkt->data, size);
5516 avio_write(pb, pkt->data, size);
5520 if ((par->codec_id == AV_CODEC_ID_DNXHD ||
5521 par->codec_id == AV_CODEC_ID_TRUEHD ||
5522 par->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len) {
5523 /* copy frame to create needed atoms */
5524 trk->vos_len = size;
5525 trk->vos_data = av_malloc(size + AV_INPUT_BUFFER_PADDING_SIZE);
5526 if (!trk->vos_data) {
5527 ret = AVERROR(ENOMEM);
5530 memcpy(trk->vos_data, pkt->data, size);
5531 memset(trk->vos_data + size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
5534 if (trk->entry >= trk->cluster_capacity) {
5535 unsigned new_capacity = 2 * (trk->entry + MOV_INDEX_CLUSTER_SIZE);
5536 if (av_reallocp_array(&trk->cluster, new_capacity,
5537 sizeof(*trk->cluster))) {
5538 ret = AVERROR(ENOMEM);
5541 trk->cluster_capacity = new_capacity;
5544 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
5545 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
5546 trk->cluster[trk->entry].chunkNum = 0;
5547 trk->cluster[trk->entry].size = size;
5548 trk->cluster[trk->entry].entries = samples_in_chunk;
5549 trk->cluster[trk->entry].dts = pkt->dts;
5550 trk->cluster[trk->entry].pts = pkt->pts;
5551 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
5552 if (!trk->frag_discont) {
5553 /* First packet of a new fragment. We already wrote the duration
5554 * of the last packet of the previous fragment based on track_duration,
5555 * which might not exactly match our dts. Therefore adjust the dts
5556 * of this packet to be what the previous packets duration implies. */
5557 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
5558 /* We also may have written the pts and the corresponding duration
5559 * in sidx/tfrf/tfxd tags; make sure the sidx pts and duration match up with
5560 * the next fragment. This means the cts of the first sample must
5561 * be the same in all fragments, unless end_pts was updated by
5562 * the packet causing the fragment to be written. */
5563 if ((mov->flags & FF_MOV_FLAG_DASH &&
5564 !(mov->flags & (FF_MOV_FLAG_GLOBAL_SIDX | FF_MOV_FLAG_SKIP_SIDX))) ||
5565 mov->mode == MODE_ISM)
5566 pkt->pts = pkt->dts + trk->end_pts - trk->cluster[trk->entry].dts;
5568 /* New fragment, but discontinuous from previous fragments.
5569 * Pretend the duration sum of the earlier fragments is
5570 * pkt->dts - trk->start_dts. */
5571 trk->frag_start = pkt->dts - trk->start_dts;
5572 trk->end_pts = AV_NOPTS_VALUE;
5573 trk->frag_discont = 0;
5577 if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !mov->use_editlist &&
5578 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO) {
5579 /* Not using edit lists and shifting the first track to start from zero.
5580 * If the other streams start from a later timestamp, we won't be able
5581 * to signal the difference in starting time without an edit list.
5582 * Thus move the timestamp for this first sample to 0, increasing
5583 * its duration instead. */
5584 trk->cluster[trk->entry].dts = trk->start_dts = 0;
5586 if (trk->start_dts == AV_NOPTS_VALUE) {
5587 trk->start_dts = pkt->dts;
5588 if (trk->frag_discont) {
5589 if (mov->use_editlist) {
5590 /* Pretend the whole stream started at pts=0, with earlier fragments
5591 * already written. If the stream started at pts=0, the duration sum
5592 * of earlier fragments would have been pkt->pts. */
5593 trk->frag_start = pkt->pts;
5594 trk->start_dts = pkt->dts - pkt->pts;
5596 /* Pretend the whole stream started at dts=0, with earlier fragments
5597 * already written, with a duration summing up to pkt->dts. */
5598 trk->frag_start = pkt->dts;
5601 trk->frag_discont = 0;
5602 } else if (pkt->dts && mov->moov_written)
5603 av_log(s, AV_LOG_WARNING,
5604 "Track %d starts with a nonzero dts %"PRId64", while the moov "
5605 "already has been written. Set the delay_moov flag to handle "
5607 pkt->stream_index, pkt->dts);
5609 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
5610 trk->last_sample_is_subtitle_end = 0;
5612 if (pkt->pts == AV_NOPTS_VALUE) {
5613 av_log(s, AV_LOG_WARNING, "pts has no value\n");
5614 pkt->pts = pkt->dts;
5616 if (pkt->dts != pkt->pts)
5617 trk->flags |= MOV_TRACK_CTTS;
5618 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
5619 trk->cluster[trk->entry].flags = 0;
5620 if (trk->start_cts == AV_NOPTS_VALUE)
5621 trk->start_cts = pkt->pts - pkt->dts;
5622 if (trk->end_pts == AV_NOPTS_VALUE)
5623 trk->end_pts = trk->cluster[trk->entry].dts +
5624 trk->cluster[trk->entry].cts + pkt->duration;
5626 trk->end_pts = FFMAX(trk->end_pts, trk->cluster[trk->entry].dts +
5627 trk->cluster[trk->entry].cts +
5630 if (par->codec_id == AV_CODEC_ID_VC1) {
5631 mov_parse_vc1_frame(pkt, trk);
5632 } else if (par->codec_id == AV_CODEC_ID_TRUEHD) {
5633 mov_parse_truehd_frame(pkt, trk);
5634 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
5635 if (mov->mode == MODE_MOV && par->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
5636 trk->entry > 0) { // force sync sample for the first key frame
5637 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
5638 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
5639 trk->flags |= MOV_TRACK_STPS;
5641 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
5643 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
5644 trk->has_keyframes++;
5646 if (pkt->flags & AV_PKT_FLAG_DISPOSABLE) {
5647 trk->cluster[trk->entry].flags |= MOV_DISPOSABLE_SAMPLE;
5648 trk->has_disposable++;
5651 prft = (AVProducerReferenceTime *)av_packet_get_side_data(pkt, AV_PKT_DATA_PRFT, &prft_size);
5652 if (prft && prft_size == sizeof(AVProducerReferenceTime))
5653 memcpy(&trk->cluster[trk->entry].prft, prft, prft_size);
5655 memset(&trk->cluster[trk->entry].prft, 0, sizeof(AVProducerReferenceTime));
5658 trk->sample_count += samples_in_chunk;
5659 mov->mdat_size += size;
5661 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
5662 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
5663 reformatted_data, size);
5668 av_free(reformatted_data);
5672 static int mov_write_single_packet(AVFormatContext *s, AVPacket *pkt)
5674 MOVMuxContext *mov = s->priv_data;
5675 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5676 AVCodecParameters *par = trk->par;
5677 int64_t frag_duration = 0;
5678 int size = pkt->size;
5680 int ret = check_pkt(s, pkt);
5684 if (mov->flags & FF_MOV_FLAG_FRAG_DISCONT) {
5686 for (i = 0; i < s->nb_streams; i++)
5687 mov->tracks[i].frag_discont = 1;
5688 mov->flags &= ~FF_MOV_FLAG_FRAG_DISCONT;
5691 if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS) {
5692 if (trk->dts_shift == AV_NOPTS_VALUE)
5693 trk->dts_shift = pkt->pts - pkt->dts;
5694 pkt->dts += trk->dts_shift;
5697 if (trk->par->codec_id == AV_CODEC_ID_MP4ALS ||
5698 trk->par->codec_id == AV_CODEC_ID_AAC ||
5699 trk->par->codec_id == AV_CODEC_ID_AV1 ||
5700 trk->par->codec_id == AV_CODEC_ID_FLAC) {
5702 uint8_t *side = av_packet_get_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA, &side_size);
5703 if (side && side_size > 0 && (side_size != par->extradata_size || memcmp(side, par->extradata, side_size))) {
5704 void *newextra = av_mallocz(side_size + AV_INPUT_BUFFER_PADDING_SIZE);
5706 return AVERROR(ENOMEM);
5707 av_free(par->extradata);
5708 par->extradata = newextra;
5709 memcpy(par->extradata, side, side_size);
5710 par->extradata_size = side_size;
5711 if (!pkt->size) // Flush packet
5712 mov->need_rewrite_extradata = 1;
5717 if (trk->start_dts == AV_NOPTS_VALUE && trk->frag_discont) {
5718 trk->start_dts = pkt->dts;
5719 if (pkt->pts != AV_NOPTS_VALUE)
5720 trk->start_cts = pkt->pts - pkt->dts;
5725 return 0; /* Discard 0 sized packets */
5728 if (trk->entry && pkt->stream_index < s->nb_streams)
5729 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
5730 s->streams[pkt->stream_index]->time_base,
5732 if ((mov->max_fragment_duration &&
5733 frag_duration >= mov->max_fragment_duration) ||
5734 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
5735 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
5736 par->codec_type == AVMEDIA_TYPE_VIDEO &&
5737 trk->entry && pkt->flags & AV_PKT_FLAG_KEY) ||
5738 (mov->flags & FF_MOV_FLAG_FRAG_EVERY_FRAME)) {
5739 if (frag_duration >= mov->min_fragment_duration) {
5740 // Set the duration of this track to line up with the next
5741 // sample in this track. This avoids relying on AVPacket
5742 // duration, but only helps for this particular track, not
5743 // for the other ones that are flushed at the same time.
5744 trk->track_duration = pkt->dts - trk->start_dts;
5745 if (pkt->pts != AV_NOPTS_VALUE)
5746 trk->end_pts = pkt->pts;
5748 trk->end_pts = pkt->dts;
5749 trk->end_reliable = 1;
5750 mov_auto_flush_fragment(s, 0);
5754 return ff_mov_write_packet(s, pkt);
5757 static int mov_write_subtitle_end_packet(AVFormatContext *s,
5761 uint8_t data[2] = {0};
5764 av_init_packet(&end);
5765 end.size = sizeof(data);
5770 end.stream_index = stream_index;
5772 ret = mov_write_single_packet(s, &end);
5773 av_packet_unref(&end);
5778 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
5780 MOVMuxContext *mov = s->priv_data;
5784 mov_flush_fragment(s, 1);
5788 trk = &mov->tracks[pkt->stream_index];
5790 if (is_cover_image(trk->st)) {
5793 if (trk->st->nb_frames >= 1) {
5794 if (trk->st->nb_frames == 1)
5795 av_log(s, AV_LOG_WARNING, "Got more than one picture in stream %d,"
5796 " ignoring.\n", pkt->stream_index);
5800 if ((ret = av_packet_ref(&trk->cover_image, pkt)) < 0)
5808 return mov_write_single_packet(s, pkt); /* Passthrough. */
5811 * Subtitles require special handling.
5813 * 1) For full complaince, every track must have a sample at
5814 * dts == 0, which is rarely true for subtitles. So, as soon
5815 * as we see any packet with dts > 0, write an empty subtitle
5816 * at dts == 0 for any subtitle track with no samples in it.
5818 * 2) For each subtitle track, check if the current packet's
5819 * dts is past the duration of the last subtitle sample. If
5820 * so, we now need to write an end sample for that subtitle.
5822 * This must be done conditionally to allow for subtitles that
5823 * immediately replace each other, in which case an end sample
5824 * is not needed, and is, in fact, actively harmful.
5826 * 3) See mov_write_trailer for how the final end sample is
5829 for (i = 0; i < mov->nb_streams; i++) {
5830 MOVTrack *trk = &mov->tracks[i];
5833 if (trk->par->codec_id == AV_CODEC_ID_MOV_TEXT &&
5834 trk->track_duration < pkt->dts &&
5835 (trk->entry == 0 || !trk->last_sample_is_subtitle_end)) {
5836 ret = mov_write_subtitle_end_packet(s, i, trk->track_duration);
5837 if (ret < 0) return ret;
5838 trk->last_sample_is_subtitle_end = 1;
5842 if (trk->mode == MODE_MOV && trk->par->codec_type == AVMEDIA_TYPE_VIDEO) {
5843 AVPacket *opkt = pkt;
5844 int reshuffle_ret, ret;
5845 if (trk->is_unaligned_qt_rgb) {
5846 int64_t bpc = trk->par->bits_per_coded_sample != 15 ? trk->par->bits_per_coded_sample : 16;
5847 int expected_stride = ((trk->par->width * bpc + 15) >> 4)*2;
5848 reshuffle_ret = ff_reshuffle_raw_rgb(s, &pkt, trk->par, expected_stride);
5849 if (reshuffle_ret < 0)
5850 return reshuffle_ret;
5853 if (trk->par->format == AV_PIX_FMT_PAL8 && !trk->pal_done) {
5854 ret = ff_get_packet_palette(s, opkt, reshuffle_ret, trk->palette);
5859 } else if (trk->par->codec_id == AV_CODEC_ID_RAWVIDEO &&
5860 (trk->par->format == AV_PIX_FMT_GRAY8 ||
5861 trk->par->format == AV_PIX_FMT_MONOBLACK)) {
5862 for (i = 0; i < pkt->size; i++)
5863 pkt->data[i] = ~pkt->data[i];
5865 if (reshuffle_ret) {
5866 ret = mov_write_single_packet(s, pkt);
5869 av_packet_free(&pkt);
5874 return mov_write_single_packet(s, pkt);
5878 // QuickTime chapters involve an additional text track with the chapter names
5879 // as samples, and a tref pointing from the other tracks to the chapter one.
5880 static int mov_create_chapter_track(AVFormatContext *s, int tracknum)
5884 MOVMuxContext *mov = s->priv_data;
5885 MOVTrack *track = &mov->tracks[tracknum];
5886 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
5889 track->mode = mov->mode;
5890 track->tag = MKTAG('t','e','x','t');
5891 track->timescale = MOV_TIMESCALE;
5892 track->par = avcodec_parameters_alloc();
5894 return AVERROR(ENOMEM);
5895 track->par->codec_type = AVMEDIA_TYPE_SUBTITLE;
5897 // These properties are required to make QT recognize the chapter track
5898 uint8_t chapter_properties[43] = { 0, 0, 0, 0, 0, 0, 0, 1, };
5899 if (ff_alloc_extradata(track->par, sizeof(chapter_properties)))
5900 return AVERROR(ENOMEM);
5901 memcpy(track->par->extradata, chapter_properties, sizeof(chapter_properties));
5903 if (avio_open_dyn_buf(&pb) >= 0) {
5907 /* Stub header (usually for Quicktime chapter track) */
5909 avio_wb32(pb, 0x01); // displayFlags
5910 avio_w8(pb, 0x00); // horizontal justification
5911 avio_w8(pb, 0x00); // vertical justification
5912 avio_w8(pb, 0x00); // bgColourRed
5913 avio_w8(pb, 0x00); // bgColourGreen
5914 avio_w8(pb, 0x00); // bgColourBlue
5915 avio_w8(pb, 0x00); // bgColourAlpha
5917 avio_wb16(pb, 0x00); // defTextBoxTop
5918 avio_wb16(pb, 0x00); // defTextBoxLeft
5919 avio_wb16(pb, 0x00); // defTextBoxBottom
5920 avio_wb16(pb, 0x00); // defTextBoxRight
5922 avio_wb16(pb, 0x00); // startChar
5923 avio_wb16(pb, 0x00); // endChar
5924 avio_wb16(pb, 0x01); // fontID
5925 avio_w8(pb, 0x00); // fontStyleFlags
5926 avio_w8(pb, 0x00); // fontSize
5927 avio_w8(pb, 0x00); // fgColourRed
5928 avio_w8(pb, 0x00); // fgColourGreen
5929 avio_w8(pb, 0x00); // fgColourBlue
5930 avio_w8(pb, 0x00); // fgColourAlpha
5932 avio_wb32(pb, 0x0D); // box size
5933 ffio_wfourcc(pb, "ftab"); // box atom name
5934 avio_wb16(pb, 0x01); // entry count
5936 avio_wb16(pb, 0x01); // font ID
5937 avio_w8(pb, 0x00); // font name length
5939 if ((size = avio_close_dyn_buf(pb, &buf)) > 0) {
5940 track->par->extradata = buf;
5941 track->par->extradata_size = size;
5948 for (i = 0; i < s->nb_chapters; i++) {
5949 AVChapter *c = s->chapters[i];
5950 AVDictionaryEntry *t;
5952 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
5953 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
5954 pkt.duration = end - pkt.dts;
5956 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
5957 static const char encd[12] = {
5958 0x00, 0x00, 0x00, 0x0C,
5960 0x00, 0x00, 0x01, 0x00 };
5961 len = strlen(t->value);
5962 pkt.size = len + 2 + 12;
5963 pkt.data = av_malloc(pkt.size);
5965 return AVERROR(ENOMEM);
5966 AV_WB16(pkt.data, len);
5967 memcpy(pkt.data + 2, t->value, len);
5968 memcpy(pkt.data + len + 2, encd, sizeof(encd));
5969 ff_mov_write_packet(s, &pkt);
5970 av_freep(&pkt.data);
5978 static int mov_check_timecode_track(AVFormatContext *s, AVTimecode *tc, int src_index, const char *tcstr)
5982 /* compute the frame number */
5983 ret = av_timecode_init_from_string(tc, find_fps(s, s->streams[src_index]), tcstr, s);
5987 static int mov_create_timecode_track(AVFormatContext *s, int index, int src_index, AVTimecode tc)
5990 MOVMuxContext *mov = s->priv_data;
5991 MOVTrack *track = &mov->tracks[index];
5992 AVStream *src_st = s->streams[src_index];
5993 AVPacket pkt = {.stream_index = index, .flags = AV_PKT_FLAG_KEY, .size = 4};
5994 AVRational rate = find_fps(s, src_st);
5996 /* tmcd track based on video stream */
5997 track->mode = mov->mode;
5998 track->tag = MKTAG('t','m','c','d');
5999 track->src_track = src_index;
6000 track->timescale = mov->tracks[src_index].timescale;
6001 if (tc.flags & AV_TIMECODE_FLAG_DROPFRAME)
6002 track->timecode_flags |= MOV_TIMECODE_FLAG_DROPFRAME;
6004 /* set st to src_st for metadata access*/
6007 /* encode context: tmcd data stream */
6008 track->par = avcodec_parameters_alloc();
6010 return AVERROR(ENOMEM);
6011 track->par->codec_type = AVMEDIA_TYPE_DATA;
6012 track->par->codec_tag = track->tag;
6013 track->st->avg_frame_rate = av_inv_q(rate);
6015 /* the tmcd track just contains one packet with the frame number */
6016 pkt.data = av_malloc(pkt.size);
6018 return AVERROR(ENOMEM);
6019 AV_WB32(pkt.data, tc.start);
6020 ret = ff_mov_write_packet(s, &pkt);
6026 * st->disposition controls the "enabled" flag in the tkhd tag.
6027 * QuickTime will not play a track if it is not enabled. So make sure
6028 * that one track of each type (audio, video, subtitle) is enabled.
6030 * Subtitles are special. For audio and video, setting "enabled" also
6031 * makes the track "default" (i.e. it is rendered when played). For
6032 * subtitles, an "enabled" subtitle is not rendered by default, but
6033 * if no subtitle is enabled, the subtitle menu in QuickTime will be
6036 static void enable_tracks(AVFormatContext *s)
6038 MOVMuxContext *mov = s->priv_data;
6040 int enabled[AVMEDIA_TYPE_NB];
6041 int first[AVMEDIA_TYPE_NB];
6043 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
6048 for (i = 0; i < s->nb_streams; i++) {
6049 AVStream *st = s->streams[i];
6051 if (st->codecpar->codec_type <= AVMEDIA_TYPE_UNKNOWN ||
6052 st->codecpar->codec_type >= AVMEDIA_TYPE_NB ||
6056 if (first[st->codecpar->codec_type] < 0)
6057 first[st->codecpar->codec_type] = i;
6058 if (st->disposition & AV_DISPOSITION_DEFAULT) {
6059 mov->tracks[i].flags |= MOV_TRACK_ENABLED;
6060 enabled[st->codecpar->codec_type]++;
6064 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
6066 case AVMEDIA_TYPE_VIDEO:
6067 case AVMEDIA_TYPE_AUDIO:
6068 case AVMEDIA_TYPE_SUBTITLE:
6070 mov->per_stream_grouping = 1;
6071 if (!enabled[i] && first[i] >= 0)
6072 mov->tracks[first[i]].flags |= MOV_TRACK_ENABLED;
6078 static void mov_free(AVFormatContext *s)
6080 MOVMuxContext *mov = s->priv_data;
6083 if (mov->chapter_track) {
6084 if (mov->tracks[mov->chapter_track].par)
6085 av_freep(&mov->tracks[mov->chapter_track].par->extradata);
6086 av_freep(&mov->tracks[mov->chapter_track].par);
6089 for (i = 0; i < mov->nb_streams; i++) {
6090 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
6091 ff_mov_close_hinting(&mov->tracks[i]);
6092 else if (mov->tracks[i].tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd)
6093 av_freep(&mov->tracks[i].par);
6094 av_freep(&mov->tracks[i].cluster);
6095 av_freep(&mov->tracks[i].frag_info);
6096 av_packet_unref(&mov->tracks[i].cover_image);
6098 if (mov->tracks[i].eac3_priv) {
6099 struct eac3_info *info = mov->tracks[i].eac3_priv;
6100 av_packet_unref(&info->pkt);
6101 av_freep(&mov->tracks[i].eac3_priv);
6103 if (mov->tracks[i].vos_len)
6104 av_freep(&mov->tracks[i].vos_data);
6106 ff_mov_cenc_free(&mov->tracks[i].cenc);
6109 av_freep(&mov->tracks);
6112 static uint32_t rgb_to_yuv(uint32_t rgb)
6117 r = (rgb >> 16) & 0xFF;
6118 g = (rgb >> 8) & 0xFF;
6121 y = av_clip_uint8(( 16000 + 257 * r + 504 * g + 98 * b)/1000);
6122 cb = av_clip_uint8((128000 - 148 * r - 291 * g + 439 * b)/1000);
6123 cr = av_clip_uint8((128000 + 439 * r - 368 * g - 71 * b)/1000);
6125 return (y << 16) | (cr << 8) | cb;
6128 static int mov_create_dvd_sub_decoder_specific_info(MOVTrack *track,
6131 int i, width = 720, height = 480;
6132 int have_palette = 0, have_size = 0;
6133 uint32_t palette[16];
6134 char *cur = st->codecpar->extradata;
6136 while (cur && *cur) {
6137 if (strncmp("palette:", cur, 8) == 0) {
6139 count = sscanf(cur + 8,
6140 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
6141 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
6142 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
6143 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32"",
6144 &palette[ 0], &palette[ 1], &palette[ 2], &palette[ 3],
6145 &palette[ 4], &palette[ 5], &palette[ 6], &palette[ 7],
6146 &palette[ 8], &palette[ 9], &palette[10], &palette[11],
6147 &palette[12], &palette[13], &palette[14], &palette[15]);
6149 for (i = 0; i < count; i++) {
6150 palette[i] = rgb_to_yuv(palette[i]);
6153 } else if (!strncmp("size:", cur, 5)) {
6154 sscanf(cur + 5, "%dx%d", &width, &height);
6157 if (have_palette && have_size)
6159 cur += strcspn(cur, "\n\r");
6160 cur += strspn(cur, "\n\r");
6163 track->vos_data = av_malloc(16*4 + AV_INPUT_BUFFER_PADDING_SIZE);
6164 if (!track->vos_data)
6165 return AVERROR(ENOMEM);
6166 for (i = 0; i < 16; i++) {
6167 AV_WB32(track->vos_data + i * 4, palette[i]);
6169 memset(track->vos_data + 16*4, 0, AV_INPUT_BUFFER_PADDING_SIZE);
6170 track->vos_len = 16 * 4;
6172 st->codecpar->width = width;
6173 st->codecpar->height = track->height = height;
6178 static int mov_init(AVFormatContext *s)
6180 MOVMuxContext *mov = s->priv_data;
6181 AVDictionaryEntry *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
6186 /* Default mode == MP4 */
6187 mov->mode = MODE_MP4;
6190 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
6191 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
6192 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
6193 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
6194 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
6195 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
6196 else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V;
6199 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
6200 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV;
6202 /* Set the FRAGMENT flag if any of the fragmentation methods are
6204 if (mov->max_fragment_duration || mov->max_fragment_size ||
6205 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
6206 FF_MOV_FLAG_FRAG_KEYFRAME |
6207 FF_MOV_FLAG_FRAG_CUSTOM |
6208 FF_MOV_FLAG_FRAG_EVERY_FRAME))
6209 mov->flags |= FF_MOV_FLAG_FRAGMENT;
6211 /* Set other implicit flags immediately */
6212 if (mov->mode == MODE_ISM)
6213 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
6214 FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS;
6215 if (mov->flags & FF_MOV_FLAG_DASH)
6216 mov->flags |= FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_EMPTY_MOOV |
6217 FF_MOV_FLAG_DEFAULT_BASE_MOOF;
6218 if (mov->flags & FF_MOV_FLAG_CMAF)
6219 mov->flags |= FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_EMPTY_MOOV |
6220 FF_MOV_FLAG_DEFAULT_BASE_MOOF | FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS;
6222 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV && s->flags & AVFMT_FLAG_AUTO_BSF) {
6223 av_log(s, AV_LOG_VERBOSE, "Empty MOOV enabled; disabling automatic bitstream filtering\n");
6224 s->flags &= ~AVFMT_FLAG_AUTO_BSF;
6227 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX && mov->flags & FF_MOV_FLAG_SKIP_SIDX) {
6228 av_log(s, AV_LOG_WARNING, "Global SIDX enabled; Ignoring skip_sidx option\n");
6229 mov->flags &= ~FF_MOV_FLAG_SKIP_SIDX;
6232 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
6233 mov->reserved_moov_size = -1;
6236 if (mov->use_editlist < 0) {
6237 mov->use_editlist = 1;
6238 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
6239 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6240 // If we can avoid needing an edit list by shifting the
6241 // tracks, prefer that over (trying to) write edit lists
6242 // in fragmented output.
6243 if (s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO ||
6244 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO)
6245 mov->use_editlist = 0;
6247 if (mov->flags & FF_MOV_FLAG_CMAF) {
6248 // CMAF Track requires negative cts offsets without edit lists
6249 mov->use_editlist = 0;
6252 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
6253 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV) && mov->use_editlist)
6254 av_log(s, AV_LOG_WARNING, "No meaningful edit list will be written when using empty_moov without delay_moov\n");
6256 if (mov->flags & FF_MOV_FLAG_CMAF && mov->use_editlist) {
6257 av_log(s, AV_LOG_WARNING, "Edit list enabled; Assuming writing CMAF Track File\n");
6258 mov->flags &= ~FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS;
6260 if (!mov->use_editlist && s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO &&
6261 !(mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS))
6262 s->avoid_negative_ts = AVFMT_AVOID_NEG_TS_MAKE_ZERO;
6264 /* Clear the omit_tfhd_offset flag if default_base_moof is set;
6265 * if the latter is set that's enough and omit_tfhd_offset doesn't
6266 * add anything extra on top of that. */
6267 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
6268 mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
6269 mov->flags &= ~FF_MOV_FLAG_OMIT_TFHD_OFFSET;
6271 if (mov->frag_interleave &&
6272 mov->flags & (FF_MOV_FLAG_OMIT_TFHD_OFFSET | FF_MOV_FLAG_SEPARATE_MOOF)) {
6273 av_log(s, AV_LOG_ERROR,
6274 "Sample interleaving in fragments is mutually exclusive with "
6275 "omit_tfhd_offset and separate_moof\n");
6276 return AVERROR(EINVAL);
6279 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
6280 * is enabled, we don't support non-seekable output at all. */
6281 if (!(s->pb->seekable & AVIO_SEEKABLE_NORMAL) &&
6282 (!(mov->flags & FF_MOV_FLAG_FRAGMENT) || mov->ism_lookahead)) {
6283 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
6284 return AVERROR(EINVAL);
6287 mov->nb_streams = s->nb_streams;
6288 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
6289 mov->chapter_track = mov->nb_streams++;
6291 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6292 for (i = 0; i < s->nb_streams; i++)
6293 if (rtp_hinting_needed(s->streams[i]))
6297 if ( mov->write_tmcd == -1 && (mov->mode == MODE_MOV || mov->mode == MODE_MP4)
6298 || mov->write_tmcd == 1) {
6299 /* +1 tmcd track for each video stream with a timecode */
6300 for (i = 0; i < s->nb_streams; i++) {
6301 AVStream *st = s->streams[i];
6302 AVDictionaryEntry *t = global_tcr;
6303 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO &&
6304 (t || (t=av_dict_get(st->metadata, "timecode", NULL, 0)))) {
6306 ret = mov_check_timecode_track(s, &tc, i, t->value);
6308 mov->nb_meta_tmcd++;
6312 /* check if there is already a tmcd track to remux */
6313 if (mov->nb_meta_tmcd) {
6314 for (i = 0; i < s->nb_streams; i++) {
6315 AVStream *st = s->streams[i];
6316 if (st->codecpar->codec_tag == MKTAG('t','m','c','d')) {
6317 av_log(s, AV_LOG_WARNING, "You requested a copy of the original timecode track "
6318 "so timecode metadata are now ignored\n");
6319 mov->nb_meta_tmcd = 0;
6324 mov->nb_streams += mov->nb_meta_tmcd;
6327 // Reserve an extra stream for chapters for the case where chapters
6328 // are written in the trailer
6329 mov->tracks = av_mallocz_array((mov->nb_streams + 1), sizeof(*mov->tracks));
6331 return AVERROR(ENOMEM);
6333 if (mov->encryption_scheme_str != NULL && strcmp(mov->encryption_scheme_str, "none") != 0) {
6334 if (strcmp(mov->encryption_scheme_str, "cenc-aes-ctr") == 0) {
6335 mov->encryption_scheme = MOV_ENC_CENC_AES_CTR;
6337 if (mov->encryption_key_len != AES_CTR_KEY_SIZE) {
6338 av_log(s, AV_LOG_ERROR, "Invalid encryption key len %d expected %d\n",
6339 mov->encryption_key_len, AES_CTR_KEY_SIZE);
6340 return AVERROR(EINVAL);
6343 if (mov->encryption_kid_len != CENC_KID_SIZE) {
6344 av_log(s, AV_LOG_ERROR, "Invalid encryption kid len %d expected %d\n",
6345 mov->encryption_kid_len, CENC_KID_SIZE);
6346 return AVERROR(EINVAL);
6349 av_log(s, AV_LOG_ERROR, "unsupported encryption scheme %s\n",
6350 mov->encryption_scheme_str);
6351 return AVERROR(EINVAL);
6355 for (i = 0; i < s->nb_streams; i++) {
6356 AVStream *st= s->streams[i];
6357 MOVTrack *track= &mov->tracks[i];
6358 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
6361 track->par = st->codecpar;
6362 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
6363 if (track->language < 0)
6364 track->language = 32767; // Unspecified Macintosh language code
6365 track->mode = mov->mode;
6366 track->tag = mov_find_codec_tag(s, track);
6368 av_log(s, AV_LOG_ERROR, "Could not find tag for codec %s in stream #%d, "
6369 "codec not currently supported in container\n",
6370 avcodec_get_name(st->codecpar->codec_id), i);
6371 return AVERROR(EINVAL);
6373 /* If hinting of this track is enabled by a later hint track,
6374 * this is updated. */
6375 track->hint_track = -1;
6376 track->start_dts = AV_NOPTS_VALUE;
6377 track->start_cts = AV_NOPTS_VALUE;
6378 track->end_pts = AV_NOPTS_VALUE;
6379 track->dts_shift = AV_NOPTS_VALUE;
6380 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
6381 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
6382 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
6383 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
6384 if (st->codecpar->width != 720 || (st->codecpar->height != 608 && st->codecpar->height != 512)) {
6385 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
6386 return AVERROR(EINVAL);
6388 track->height = track->tag >> 24 == 'n' ? 486 : 576;
6390 if (mov->video_track_timescale) {
6391 track->timescale = mov->video_track_timescale;
6393 track->timescale = st->time_base.den;
6394 while(track->timescale < 10000)
6395 track->timescale *= 2;
6397 if (st->codecpar->width > 65535 || st->codecpar->height > 65535) {
6398 av_log(s, AV_LOG_ERROR, "Resolution %dx%d too large for mov/mp4\n", st->codecpar->width, st->codecpar->height);
6399 return AVERROR(EINVAL);
6401 if (track->mode == MODE_MOV && track->timescale > 100000)
6402 av_log(s, AV_LOG_WARNING,
6403 "WARNING codec timebase is very high. If duration is too long,\n"
6404 "file may not be playable by quicktime. Specify a shorter timebase\n"
6405 "or choose different container.\n");
6406 if (track->mode == MODE_MOV &&
6407 track->par->codec_id == AV_CODEC_ID_RAWVIDEO &&
6408 track->tag == MKTAG('r','a','w',' ')) {
6409 enum AVPixelFormat pix_fmt = track->par->format;
6410 if (pix_fmt == AV_PIX_FMT_NONE && track->par->bits_per_coded_sample == 1)
6411 pix_fmt = AV_PIX_FMT_MONOWHITE;
6412 track->is_unaligned_qt_rgb =
6413 pix_fmt == AV_PIX_FMT_RGB24 ||
6414 pix_fmt == AV_PIX_FMT_BGR24 ||
6415 pix_fmt == AV_PIX_FMT_PAL8 ||
6416 pix_fmt == AV_PIX_FMT_GRAY8 ||
6417 pix_fmt == AV_PIX_FMT_MONOWHITE ||
6418 pix_fmt == AV_PIX_FMT_MONOBLACK;
6420 if (track->par->codec_id == AV_CODEC_ID_VP9 ||
6421 track->par->codec_id == AV_CODEC_ID_AV1) {
6422 if (track->mode != MODE_MP4) {
6423 av_log(s, AV_LOG_ERROR, "%s only supported in MP4.\n", avcodec_get_name(track->par->codec_id));
6424 return AVERROR(EINVAL);
6426 } else if (track->par->codec_id == AV_CODEC_ID_VP8) {
6427 /* altref frames handling is not defined in the spec as of version v1.0,
6428 * so just forbid muxing VP8 streams altogether until a new version does */
6429 av_log(s, AV_LOG_ERROR, "VP8 muxing is currently not supported.\n");
6430 return AVERROR_PATCHWELCOME;
6432 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
6433 track->timescale = st->codecpar->sample_rate;
6434 if (!st->codecpar->frame_size && !av_get_bits_per_sample(st->codecpar->codec_id)) {
6435 av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i);
6436 track->audio_vbr = 1;
6437 }else if (st->codecpar->codec_id == AV_CODEC_ID_ADPCM_MS ||
6438 st->codecpar->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
6439 st->codecpar->codec_id == AV_CODEC_ID_ILBC){
6440 if (!st->codecpar->block_align) {
6441 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
6442 return AVERROR(EINVAL);
6444 track->sample_size = st->codecpar->block_align;
6445 }else if (st->codecpar->frame_size > 1){ /* assume compressed audio */
6446 track->audio_vbr = 1;
6448 track->sample_size = (av_get_bits_per_sample(st->codecpar->codec_id) >> 3) * st->codecpar->channels;
6450 if (st->codecpar->codec_id == AV_CODEC_ID_ILBC ||
6451 st->codecpar->codec_id == AV_CODEC_ID_ADPCM_IMA_QT) {
6452 track->audio_vbr = 1;
6454 if (track->mode != MODE_MOV &&
6455 track->par->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
6456 if (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL) {
6457 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not standard, to mux anyway set strict to -1\n",
6458 i, track->par->sample_rate);
6459 return AVERROR(EINVAL);
6461 av_log(s, AV_LOG_WARNING, "track %d: muxing mp3 at %dhz is not standard in MP4\n",
6462 i, track->par->sample_rate);
6465 if (track->par->codec_id == AV_CODEC_ID_FLAC ||
6466 track->par->codec_id == AV_CODEC_ID_TRUEHD ||
6467 track->par->codec_id == AV_CODEC_ID_OPUS) {
6468 if (track->mode != MODE_MP4) {
6469 av_log(s, AV_LOG_ERROR, "%s only supported in MP4.\n", avcodec_get_name(track->par->codec_id));
6470 return AVERROR(EINVAL);
6472 if (s->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
6473 av_log(s, AV_LOG_ERROR,
6474 "%s in MP4 support is experimental, add "
6475 "'-strict %d' if you want to use it.\n",
6476 avcodec_get_name(track->par->codec_id), FF_COMPLIANCE_EXPERIMENTAL);
6477 return AVERROR_EXPERIMENTAL;
6480 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) {
6481 track->timescale = st->time_base.den;
6482 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_DATA) {
6483 track->timescale = st->time_base.den;
6485 track->timescale = MOV_TIMESCALE;
6488 track->height = st->codecpar->height;
6489 /* The ism specific timescale isn't mandatory, but is assumed by
6490 * some tools, such as mp4split. */
6491 if (mov->mode == MODE_ISM)
6492 track->timescale = 10000000;
6494 avpriv_set_pts_info(st, 64, 1, track->timescale);
6496 if (mov->encryption_scheme == MOV_ENC_CENC_AES_CTR) {
6497 ret = ff_mov_cenc_init(&track->cenc, mov->encryption_key,
6498 track->par->codec_id == AV_CODEC_ID_H264, s->flags & AVFMT_FLAG_BITEXACT);
6508 static int mov_write_header(AVFormatContext *s)
6510 AVIOContext *pb = s->pb;
6511 MOVMuxContext *mov = s->priv_data;
6512 AVDictionaryEntry *t, *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
6513 int i, ret, hint_track = 0, tmcd_track = 0, nb_tracks = s->nb_streams;
6515 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
6518 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6519 hint_track = nb_tracks;
6520 for (i = 0; i < s->nb_streams; i++)
6521 if (rtp_hinting_needed(s->streams[i]))
6525 if (mov->nb_meta_tmcd)
6526 tmcd_track = nb_tracks;
6528 for (i = 0; i < s->nb_streams; i++) {
6530 AVStream *st= s->streams[i];
6531 MOVTrack *track= &mov->tracks[i];
6533 /* copy extradata if it exists */
6534 if (st->codecpar->extradata_size) {
6535 if (st->codecpar->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
6536 mov_create_dvd_sub_decoder_specific_info(track, st);
6537 else if (!TAG_IS_AVCI(track->tag) && st->codecpar->codec_id != AV_CODEC_ID_DNXHD) {
6538 track->vos_len = st->codecpar->extradata_size;
6539 track->vos_data = av_malloc(track->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
6540 if (!track->vos_data) {
6541 return AVERROR(ENOMEM);
6543 memcpy(track->vos_data, st->codecpar->extradata, track->vos_len);
6544 memset(track->vos_data + track->vos_len, 0, AV_INPUT_BUFFER_PADDING_SIZE);
6548 if (st->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ||
6549 track->par->channel_layout != AV_CH_LAYOUT_MONO)
6552 for (j = 0; j < s->nb_streams; j++) {
6553 AVStream *stj= s->streams[j];
6554 MOVTrack *trackj= &mov->tracks[j];
6558 if (stj->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ||
6559 trackj->par->channel_layout != AV_CH_LAYOUT_MONO ||
6560 trackj->language != track->language ||
6561 trackj->tag != track->tag
6564 track->multichannel_as_mono++;
6568 if (!(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6569 if ((ret = mov_write_identification(pb, s)) < 0)
6573 if (mov->reserved_moov_size){
6574 mov->reserved_header_pos = avio_tell(pb);
6575 if (mov->reserved_moov_size > 0)
6576 avio_skip(pb, mov->reserved_moov_size);
6579 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
6580 /* If no fragmentation options have been set, set a default. */
6581 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
6582 FF_MOV_FLAG_FRAG_CUSTOM |
6583 FF_MOV_FLAG_FRAG_EVERY_FRAME)) &&
6584 !mov->max_fragment_duration && !mov->max_fragment_size)
6585 mov->flags |= FF_MOV_FLAG_FRAG_KEYFRAME;
6587 if (mov->flags & FF_MOV_FLAG_FASTSTART)
6588 mov->reserved_header_pos = avio_tell(pb);
6589 mov_write_mdat_tag(pb, mov);
6592 ff_parse_creation_time_metadata(s, &mov->time, 1);
6594 mov->time += 0x7C25B080; // 1970 based -> 1904 based
6596 if (mov->chapter_track)
6597 if ((ret = mov_create_chapter_track(s, mov->chapter_track)) < 0)
6600 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6601 for (i = 0; i < s->nb_streams; i++) {
6602 if (rtp_hinting_needed(s->streams[i])) {
6603 if ((ret = ff_mov_init_hinting(s, hint_track, i)) < 0)
6610 if (mov->nb_meta_tmcd) {
6611 /* Initialize the tmcd tracks */
6612 for (i = 0; i < s->nb_streams; i++) {
6613 AVStream *st = s->streams[i];
6616 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
6619 t = av_dict_get(st->metadata, "timecode", NULL, 0);
6622 if (mov_check_timecode_track(s, &tc, i, t->value) < 0)
6624 if ((ret = mov_create_timecode_track(s, tmcd_track, i, tc)) < 0)
6633 if (mov->flags & FF_MOV_FLAG_ISML)
6634 mov_write_isml_manifest(pb, mov, s);
6636 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
6637 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6638 if ((ret = mov_write_moov_tag(pb, mov, s)) < 0)
6640 mov->moov_written = 1;
6641 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
6642 mov->reserved_header_pos = avio_tell(pb);
6648 static int get_moov_size(AVFormatContext *s)
6651 AVIOContext *moov_buf;
6652 MOVMuxContext *mov = s->priv_data;
6654 if ((ret = ffio_open_null_buf(&moov_buf)) < 0)
6656 if ((ret = mov_write_moov_tag(moov_buf, mov, s)) < 0)
6658 return ffio_close_null_buf(moov_buf);
6661 static int get_sidx_size(AVFormatContext *s)
6665 MOVMuxContext *mov = s->priv_data;
6667 if ((ret = ffio_open_null_buf(&buf)) < 0)
6669 mov_write_sidx_tags(buf, mov, -1, 0);
6670 return ffio_close_null_buf(buf);
6674 * This function gets the moov size if moved to the top of the file: the chunk
6675 * offset table can switch between stco (32-bit entries) to co64 (64-bit
6676 * entries) when the moov is moved to the beginning, so the size of the moov
6677 * would change. It also updates the chunk offset tables.
6679 static int compute_moov_size(AVFormatContext *s)
6681 int i, moov_size, moov_size2;
6682 MOVMuxContext *mov = s->priv_data;
6684 moov_size = get_moov_size(s);
6688 for (i = 0; i < mov->nb_streams; i++)
6689 mov->tracks[i].data_offset += moov_size;
6691 moov_size2 = get_moov_size(s);
6695 /* if the size changed, we just switched from stco to co64 and need to
6696 * update the offsets */
6697 if (moov_size2 != moov_size)
6698 for (i = 0; i < mov->nb_streams; i++)
6699 mov->tracks[i].data_offset += moov_size2 - moov_size;
6704 static int compute_sidx_size(AVFormatContext *s)
6707 MOVMuxContext *mov = s->priv_data;
6709 sidx_size = get_sidx_size(s);
6713 for (i = 0; i < mov->nb_streams; i++)
6714 mov->tracks[i].data_offset += sidx_size;
6719 static int shift_data(AVFormatContext *s)
6721 int ret = 0, moov_size;
6722 MOVMuxContext *mov = s->priv_data;
6723 int64_t pos, pos_end;
6724 uint8_t *buf, *read_buf[2];
6725 int read_buf_id = 0;
6727 AVIOContext *read_pb;
6729 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
6730 moov_size = compute_sidx_size(s);
6732 moov_size = compute_moov_size(s);
6736 buf = av_malloc(moov_size * 2);
6738 return AVERROR(ENOMEM);
6740 read_buf[1] = buf + moov_size;
6742 /* Shift the data: the AVIO context of the output can only be used for
6743 * writing, so we re-open the same output, but for reading. It also avoids
6744 * a read/seek/write/seek back and forth. */
6746 ret = s->io_open(s, &read_pb, s->url, AVIO_FLAG_READ, NULL);
6748 av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for "
6749 "the second pass (faststart)\n", s->url);
6753 /* mark the end of the shift to up to the last data we wrote, and get ready
6755 pos_end = avio_tell(s->pb);
6756 avio_seek(s->pb, mov->reserved_header_pos + moov_size, SEEK_SET);
6758 /* start reading at where the new moov will be placed */
6759 avio_seek(read_pb, mov->reserved_header_pos, SEEK_SET);
6760 pos = avio_tell(read_pb);
6762 #define READ_BLOCK do { \
6763 read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
6767 /* shift data by chunk of at most moov_size */
6772 n = read_size[read_buf_id];
6775 avio_write(s->pb, read_buf[read_buf_id], n);
6777 } while (pos < pos_end);
6778 ff_format_io_close(s, &read_pb);
6785 static int mov_write_trailer(AVFormatContext *s)
6787 MOVMuxContext *mov = s->priv_data;
6788 AVIOContext *pb = s->pb;
6793 if (mov->need_rewrite_extradata) {
6794 for (i = 0; i < s->nb_streams; i++) {
6795 MOVTrack *track = &mov->tracks[i];
6796 AVCodecParameters *par = track->par;
6798 track->vos_len = par->extradata_size;
6799 track->vos_data = av_malloc(track->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
6800 if (!track->vos_data)
6801 return AVERROR(ENOMEM);
6802 memcpy(track->vos_data, par->extradata, track->vos_len);
6803 memset(track->vos_data + track->vos_len, 0, AV_INPUT_BUFFER_PADDING_SIZE);
6805 mov->need_rewrite_extradata = 0;
6809 * Before actually writing the trailer, make sure that there are no
6810 * dangling subtitles, that need a terminating sample.
6812 for (i = 0; i < mov->nb_streams; i++) {
6813 MOVTrack *trk = &mov->tracks[i];
6814 if (trk->par->codec_id == AV_CODEC_ID_MOV_TEXT &&
6815 !trk->last_sample_is_subtitle_end) {
6816 mov_write_subtitle_end_packet(s, i, trk->track_duration);
6817 trk->last_sample_is_subtitle_end = 1;
6821 // If there were no chapters when the header was written, but there
6822 // are chapters now, write them in the trailer. This only works
6823 // when we are not doing fragments.
6824 if (!mov->chapter_track && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
6825 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters) {
6826 mov->chapter_track = mov->nb_streams++;
6827 if ((res = mov_create_chapter_track(s, mov->chapter_track)) < 0)
6832 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
6833 moov_pos = avio_tell(pb);
6835 /* Write size of mdat tag */
6836 if (mov->mdat_size + 8 <= UINT32_MAX) {
6837 avio_seek(pb, mov->mdat_pos, SEEK_SET);
6838 avio_wb32(pb, mov->mdat_size + 8);
6840 /* overwrite 'wide' placeholder atom */
6841 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
6842 /* special value: real atom size will be 64 bit value after
6845 ffio_wfourcc(pb, "mdat");
6846 avio_wb64(pb, mov->mdat_size + 16);
6848 avio_seek(pb, mov->reserved_moov_size > 0 ? mov->reserved_header_pos : moov_pos, SEEK_SET);
6850 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
6851 av_log(s, AV_LOG_INFO, "Starting second pass: moving the moov atom to the beginning of the file\n");
6852 res = shift_data(s);
6855 avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
6856 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6858 } else if (mov->reserved_moov_size > 0) {
6860 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6862 size = mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_header_pos);
6864 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
6865 return AVERROR(EINVAL);
6867 avio_wb32(pb, size);
6868 ffio_wfourcc(pb, "free");
6869 ffio_fill(pb, 0, size - 8);
6870 avio_seek(pb, moov_pos, SEEK_SET);
6872 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6877 mov_auto_flush_fragment(s, 1);
6878 for (i = 0; i < mov->nb_streams; i++)
6879 mov->tracks[i].data_offset = 0;
6880 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX) {
6882 av_log(s, AV_LOG_INFO, "Starting second pass: inserting sidx atoms\n");
6883 res = shift_data(s);
6886 end = avio_tell(pb);
6887 avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
6888 mov_write_sidx_tags(pb, mov, -1, 0);
6889 avio_seek(pb, end, SEEK_SET);
6891 if (!(mov->flags & FF_MOV_FLAG_SKIP_TRAILER)) {
6892 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_TRAILER);
6893 mov_write_mfra_tag(pb, mov);
6900 static int mov_check_bitstream(struct AVFormatContext *s, const AVPacket *pkt)
6903 AVStream *st = s->streams[pkt->stream_index];
6905 if (st->codecpar->codec_id == AV_CODEC_ID_AAC) {
6906 if (pkt->size > 2 && (AV_RB16(pkt->data) & 0xfff0) == 0xfff0)
6907 ret = ff_stream_add_bitstream_filter(st, "aac_adtstoasc", NULL);
6908 } else if (st->codecpar->codec_id == AV_CODEC_ID_VP9) {
6909 ret = ff_stream_add_bitstream_filter(st, "vp9_superframe", NULL);
6915 static const AVCodecTag codec_3gp_tags[] = {
6916 { AV_CODEC_ID_H263, MKTAG('s','2','6','3') },
6917 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
6918 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
6919 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
6920 { AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
6921 { AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
6922 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
6923 { AV_CODEC_ID_NONE, 0 },
6926 const AVCodecTag codec_mp4_tags[] = {
6927 { AV_CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
6928 { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') },
6929 { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '3') },
6930 { AV_CODEC_ID_HEVC, MKTAG('h', 'e', 'v', '1') },
6931 { AV_CODEC_ID_HEVC, MKTAG('h', 'v', 'c', '1') },
6932 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', '4', 'v') },
6933 { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', '4', 'v') },
6934 { AV_CODEC_ID_MJPEG, MKTAG('m', 'p', '4', 'v') },
6935 { AV_CODEC_ID_PNG, MKTAG('m', 'p', '4', 'v') },
6936 { AV_CODEC_ID_JPEG2000, MKTAG('m', 'p', '4', 'v') },
6937 { AV_CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') },
6938 { AV_CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
6939 { AV_CODEC_ID_TSCC2, MKTAG('m', 'p', '4', 'v') },
6940 { AV_CODEC_ID_VP9, MKTAG('v', 'p', '0', '9') },
6941 { AV_CODEC_ID_AV1, MKTAG('a', 'v', '0', '1') },
6942 { AV_CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
6943 { AV_CODEC_ID_MP4ALS, MKTAG('m', 'p', '4', 'a') },
6944 { AV_CODEC_ID_MP3, MKTAG('m', 'p', '4', 'a') },
6945 { AV_CODEC_ID_MP2, MKTAG('m', 'p', '4', 'a') },
6946 { AV_CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') },
6947 { AV_CODEC_ID_EAC3, MKTAG('e', 'c', '-', '3') },
6948 { AV_CODEC_ID_DTS, MKTAG('m', 'p', '4', 'a') },
6949 { AV_CODEC_ID_TRUEHD, MKTAG('m', 'l', 'p', 'a') },
6950 { AV_CODEC_ID_FLAC, MKTAG('f', 'L', 'a', 'C') },
6951 { AV_CODEC_ID_OPUS, MKTAG('O', 'p', 'u', 's') },
6952 { AV_CODEC_ID_VORBIS, MKTAG('m', 'p', '4', 'a') },
6953 { AV_CODEC_ID_QCELP, MKTAG('m', 'p', '4', 'a') },
6954 { AV_CODEC_ID_EVRC, MKTAG('m', 'p', '4', 'a') },
6955 { AV_CODEC_ID_DVD_SUBTITLE, MKTAG('m', 'p', '4', 's') },
6956 { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
6957 { AV_CODEC_ID_BIN_DATA, MKTAG('g', 'p', 'm', 'd') },
6958 { AV_CODEC_ID_MPEGH_3D_AUDIO, MKTAG('m', 'h', 'm', '1') },
6959 { AV_CODEC_ID_NONE, 0 },
6962 const AVCodecTag codec_ism_tags[] = {
6963 { AV_CODEC_ID_WMAPRO , MKTAG('w', 'm', 'a', ' ') },
6964 { AV_CODEC_ID_NONE , 0 },
6967 static const AVCodecTag codec_ipod_tags[] = {
6968 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
6969 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
6970 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
6971 { AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') },
6972 { AV_CODEC_ID_AC3, MKTAG('a','c','-','3') },
6973 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
6974 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
6975 { AV_CODEC_ID_NONE, 0 },
6978 static const AVCodecTag codec_f4v_tags[] = {
6979 { AV_CODEC_ID_MP3, MKTAG('.','m','p','3') },
6980 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
6981 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
6982 { AV_CODEC_ID_VP6A, MKTAG('V','P','6','A') },
6983 { AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') },
6984 { AV_CODEC_ID_NONE, 0 },
6987 #if CONFIG_MOV_MUXER
6989 AVOutputFormat ff_mov_muxer = {
6991 .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
6992 .extensions = "mov",
6993 .priv_data_size = sizeof(MOVMuxContext),
6994 .audio_codec = AV_CODEC_ID_AAC,
6995 .video_codec = CONFIG_LIBX264_ENCODER ?
6996 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
6998 .write_header = mov_write_header,
6999 .write_packet = mov_write_packet,
7000 .write_trailer = mov_write_trailer,
7002 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7003 .codec_tag = (const AVCodecTag* const []){
7004 ff_codec_movvideo_tags, ff_codec_movaudio_tags, ff_codec_movsubtitle_tags, 0
7006 .check_bitstream = mov_check_bitstream,
7007 .priv_class = &mov_muxer_class,
7010 #if CONFIG_TGP_MUXER
7012 AVOutputFormat ff_tgp_muxer = {
7014 .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
7015 .extensions = "3gp",
7016 .priv_data_size = sizeof(MOVMuxContext),
7017 .audio_codec = AV_CODEC_ID_AMR_NB,
7018 .video_codec = AV_CODEC_ID_H263,
7020 .write_header = mov_write_header,
7021 .write_packet = mov_write_packet,
7022 .write_trailer = mov_write_trailer,
7024 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7025 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
7026 .check_bitstream = mov_check_bitstream,
7027 .priv_class = &tgp_muxer_class,
7030 #if CONFIG_MP4_MUXER
7032 AVOutputFormat ff_mp4_muxer = {
7034 .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
7035 .mime_type = "video/mp4",
7036 .extensions = "mp4",
7037 .priv_data_size = sizeof(MOVMuxContext),
7038 .audio_codec = AV_CODEC_ID_AAC,
7039 .video_codec = CONFIG_LIBX264_ENCODER ?
7040 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
7042 .write_header = mov_write_header,
7043 .write_packet = mov_write_packet,
7044 .write_trailer = mov_write_trailer,
7046 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7047 .codec_tag = (const AVCodecTag* const []){ codec_mp4_tags, 0 },
7048 .check_bitstream = mov_check_bitstream,
7049 .priv_class = &mp4_muxer_class,
7052 #if CONFIG_PSP_MUXER
7054 AVOutputFormat ff_psp_muxer = {
7056 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
7057 .extensions = "mp4,psp",
7058 .priv_data_size = sizeof(MOVMuxContext),
7059 .audio_codec = AV_CODEC_ID_AAC,
7060 .video_codec = CONFIG_LIBX264_ENCODER ?
7061 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
7063 .write_header = mov_write_header,
7064 .write_packet = mov_write_packet,
7065 .write_trailer = mov_write_trailer,
7067 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7068 .codec_tag = (const AVCodecTag* const []){ codec_mp4_tags, 0 },
7069 .check_bitstream = mov_check_bitstream,
7070 .priv_class = &psp_muxer_class,
7073 #if CONFIG_TG2_MUXER
7075 AVOutputFormat ff_tg2_muxer = {
7077 .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
7078 .extensions = "3g2",
7079 .priv_data_size = sizeof(MOVMuxContext),
7080 .audio_codec = AV_CODEC_ID_AMR_NB,
7081 .video_codec = AV_CODEC_ID_H263,
7083 .write_header = mov_write_header,
7084 .write_packet = mov_write_packet,
7085 .write_trailer = mov_write_trailer,
7087 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7088 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
7089 .check_bitstream = mov_check_bitstream,
7090 .priv_class = &tg2_muxer_class,
7093 #if CONFIG_IPOD_MUXER
7095 AVOutputFormat ff_ipod_muxer = {
7097 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
7098 .mime_type = "video/mp4",
7099 .extensions = "m4v,m4a,m4b",
7100 .priv_data_size = sizeof(MOVMuxContext),
7101 .audio_codec = AV_CODEC_ID_AAC,
7102 .video_codec = AV_CODEC_ID_H264,
7104 .write_header = mov_write_header,
7105 .write_packet = mov_write_packet,
7106 .write_trailer = mov_write_trailer,
7108 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7109 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
7110 .check_bitstream = mov_check_bitstream,
7111 .priv_class = &ipod_muxer_class,
7114 #if CONFIG_ISMV_MUXER
7116 AVOutputFormat ff_ismv_muxer = {
7118 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
7119 .mime_type = "video/mp4",
7120 .extensions = "ismv,isma",
7121 .priv_data_size = sizeof(MOVMuxContext),
7122 .audio_codec = AV_CODEC_ID_AAC,
7123 .video_codec = AV_CODEC_ID_H264,
7125 .write_header = mov_write_header,
7126 .write_packet = mov_write_packet,
7127 .write_trailer = mov_write_trailer,
7129 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7130 .codec_tag = (const AVCodecTag* const []){
7131 codec_mp4_tags, codec_ism_tags, 0 },
7132 .check_bitstream = mov_check_bitstream,
7133 .priv_class = &ismv_muxer_class,
7136 #if CONFIG_F4V_MUXER
7138 AVOutputFormat ff_f4v_muxer = {
7140 .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
7141 .mime_type = "application/f4v",
7142 .extensions = "f4v",
7143 .priv_data_size = sizeof(MOVMuxContext),
7144 .audio_codec = AV_CODEC_ID_AAC,
7145 .video_codec = AV_CODEC_ID_H264,
7147 .write_header = mov_write_header,
7148 .write_packet = mov_write_packet,
7149 .write_trailer = mov_write_trailer,
7151 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
7152 .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 },
7153 .check_bitstream = mov_check_bitstream,
7154 .priv_class = &f4v_muxer_class,