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/dovi_meta.h"
55 #include "libavutil/color_utils.h"
61 static const AVOption options[] = {
62 { "movflags", "MOV muxer flags", offsetof(MOVMuxContext, flags), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
63 { "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" },
64 { "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 },
65 { "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" },
66 { "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" },
67 { "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" },
68 { "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" },
69 { "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" },
70 { "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" },
71 { "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" },
72 { "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" },
73 { "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" },
74 { "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" },
75 { "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" },
76 { "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" },
77 { "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" },
78 { "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" },
79 { "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" },
80 { "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" },
81 { "write_colr", "Write colr atom even if the color info is unspecified (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" },
82 { "prefer_icc", "If writing colr atom prioritise usage of ICC profile if it exists in stream packet side data", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_PREFER_ICC}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
83 { "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" },
84 { "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" },
85 { "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" },
86 { "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" },
87 FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
88 { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
89 { "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},
90 { "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},
91 { "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
92 { "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},
93 { "frag_size", "Maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
94 { "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},
95 { "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},
96 { "brand", "Override major brand", offsetof(MOVMuxContext, major_brand), AV_OPT_TYPE_STRING, {.str = NULL}, .flags = AV_OPT_FLAG_ENCODING_PARAM },
97 { "use_editlist", "use edit list", offsetof(MOVMuxContext, use_editlist), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM},
98 { "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},
99 { "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},
100 { "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 },
101 { "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 },
102 { "encryption_key", "The media encryption key (hex)", offsetof(MOVMuxContext, encryption_key), AV_OPT_TYPE_BINARY, .flags = AV_OPT_FLAG_ENCODING_PARAM },
103 { "encryption_kid", "The media encryption key identifier (hex)", offsetof(MOVMuxContext, encryption_kid), AV_OPT_TYPE_BINARY, .flags = AV_OPT_FLAG_ENCODING_PARAM },
104 { "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},
105 { "write_tmcd", "force or disable writing tmcd", offsetof(MOVMuxContext, write_tmcd), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM},
106 { "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"},
107 { "wallclock", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = MOV_PRFT_SRC_WALLCLOCK}, 0, 0, AV_OPT_FLAG_ENCODING_PARAM, "prft"},
108 { "pts", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = MOV_PRFT_SRC_PTS}, 0, 0, AV_OPT_FLAG_ENCODING_PARAM, "prft"},
109 { "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},
113 #define MOV_CLASS(flavor)\
114 static const AVClass flavor ## _muxer_class = {\
115 .class_name = #flavor " muxer",\
116 .item_name = av_default_item_name,\
118 .version = LIBAVUTIL_VERSION_INT,\
121 static int get_moov_size(AVFormatContext *s);
123 static int utf8len(const uint8_t *b)
128 GET_UTF8(val, *b++, return -1;)
134 //FIXME support 64 bit variant with wide placeholders
135 static int64_t update_size(AVIOContext *pb, int64_t pos)
137 int64_t curpos = avio_tell(pb);
138 avio_seek(pb, pos, SEEK_SET);
139 avio_wb32(pb, curpos - pos); /* rewrite size */
140 avio_seek(pb, curpos, SEEK_SET);
145 static int co64_required(const MOVTrack *track)
147 if (track->entry > 0 && track->cluster[track->entry - 1].pos + track->data_offset > UINT32_MAX)
152 static int is_cover_image(const AVStream *st)
154 /* Eg. AV_DISPOSITION_ATTACHED_PIC | AV_DISPOSITION_TIMED_THUMBNAILS
155 * is encoded as sparse video track */
156 return st && st->disposition == AV_DISPOSITION_ATTACHED_PIC;
159 static int rtp_hinting_needed(const AVStream *st)
161 /* Add hint tracks for each real audio and video stream */
162 if (is_cover_image(st))
164 return st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ||
165 st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO;
168 /* Chunk offset atom */
169 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
172 int mode64 = co64_required(track); // use 32 bit size variant if possible
173 int64_t pos = avio_tell(pb);
174 avio_wb32(pb, 0); /* size */
176 ffio_wfourcc(pb, "co64");
178 ffio_wfourcc(pb, "stco");
179 avio_wb32(pb, 0); /* version & flags */
180 avio_wb32(pb, track->chunkCount); /* entry count */
181 for (i = 0; i < track->entry; i++) {
182 if (!track->cluster[i].chunkNum)
185 avio_wb64(pb, track->cluster[i].pos + track->data_offset);
187 avio_wb32(pb, track->cluster[i].pos + track->data_offset);
189 return update_size(pb, pos);
192 /* Sample size atom */
193 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
196 int i, j, entries = 0, tst = -1, oldtst = -1;
198 int64_t pos = avio_tell(pb);
199 avio_wb32(pb, 0); /* size */
200 ffio_wfourcc(pb, "stsz");
201 avio_wb32(pb, 0); /* version & flags */
203 for (i = 0; i < track->entry; i++) {
204 tst = track->cluster[i].size / track->cluster[i].entries;
205 if (oldtst != -1 && tst != oldtst)
208 entries += track->cluster[i].entries;
210 if (equalChunks && track->entry) {
211 int sSize = track->entry ? track->cluster[0].size / track->cluster[0].entries : 0;
212 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
213 avio_wb32(pb, sSize); // sample size
214 avio_wb32(pb, entries); // sample count
216 avio_wb32(pb, 0); // sample size
217 avio_wb32(pb, entries); // sample count
218 for (i = 0; i < track->entry; i++) {
219 for (j = 0; j < track->cluster[i].entries; j++) {
220 avio_wb32(pb, track->cluster[i].size /
221 track->cluster[i].entries);
225 return update_size(pb, pos);
228 /* Sample to chunk atom */
229 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
231 int index = 0, oldval = -1, i;
232 int64_t entryPos, curpos;
234 int64_t pos = avio_tell(pb);
235 avio_wb32(pb, 0); /* size */
236 ffio_wfourcc(pb, "stsc");
237 avio_wb32(pb, 0); // version & flags
238 entryPos = avio_tell(pb);
239 avio_wb32(pb, track->chunkCount); // entry count
240 for (i = 0; i < track->entry; i++) {
241 if (oldval != track->cluster[i].samples_in_chunk && track->cluster[i].chunkNum) {
242 avio_wb32(pb, track->cluster[i].chunkNum); // first chunk
243 avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
244 avio_wb32(pb, 0x1); // sample description index
245 oldval = track->cluster[i].samples_in_chunk;
249 curpos = avio_tell(pb);
250 avio_seek(pb, entryPos, SEEK_SET);
251 avio_wb32(pb, index); // rewrite size
252 avio_seek(pb, curpos, SEEK_SET);
254 return update_size(pb, pos);
257 /* Sync sample atom */
258 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
260 int64_t curpos, entryPos;
262 int64_t pos = avio_tell(pb);
263 avio_wb32(pb, 0); // size
264 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
265 avio_wb32(pb, 0); // version & flags
266 entryPos = avio_tell(pb);
267 avio_wb32(pb, track->entry); // entry count
268 for (i = 0; i < track->entry; i++) {
269 if (track->cluster[i].flags & flag) {
270 avio_wb32(pb, i + 1);
274 curpos = avio_tell(pb);
275 avio_seek(pb, entryPos, SEEK_SET);
276 avio_wb32(pb, index); // rewrite size
277 avio_seek(pb, curpos, SEEK_SET);
278 return update_size(pb, pos);
281 /* Sample dependency atom */
282 static int mov_write_sdtp_tag(AVIOContext *pb, MOVTrack *track)
285 uint8_t leading, dependent, reference, redundancy;
286 int64_t pos = avio_tell(pb);
287 avio_wb32(pb, 0); // size
288 ffio_wfourcc(pb, "sdtp");
289 avio_wb32(pb, 0); // version & flags
290 for (i = 0; i < track->entry; i++) {
291 dependent = MOV_SAMPLE_DEPENDENCY_YES;
292 leading = reference = redundancy = MOV_SAMPLE_DEPENDENCY_UNKNOWN;
293 if (track->cluster[i].flags & MOV_DISPOSABLE_SAMPLE) {
294 reference = MOV_SAMPLE_DEPENDENCY_NO;
296 if (track->cluster[i].flags & MOV_SYNC_SAMPLE) {
297 dependent = MOV_SAMPLE_DEPENDENCY_NO;
299 avio_w8(pb, (leading << 6) | (dependent << 4) |
300 (reference << 2) | redundancy);
302 return update_size(pb, pos);
305 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
307 avio_wb32(pb, 0x11); /* size */
308 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
309 else ffio_wfourcc(pb, "damr");
310 ffio_wfourcc(pb, "FFMP");
311 avio_w8(pb, 0); /* decoder version */
313 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
314 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
315 avio_w8(pb, 0x01); /* Frames per sample */
319 static int mov_write_ac3_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
324 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
326 if (track->vos_len < 7) {
327 av_log(s, AV_LOG_ERROR,
328 "Cannot write moov atom before AC3 packets."
329 " Set the delay_moov flag to fix this.\n");
330 return AVERROR(EINVAL);
334 ffio_wfourcc(pb, "dac3");
336 init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
337 fscod = get_bits(&gbc, 2);
338 frmsizecod = get_bits(&gbc, 6);
339 bsid = get_bits(&gbc, 5);
340 bsmod = get_bits(&gbc, 3);
341 acmod = get_bits(&gbc, 3);
343 skip_bits(&gbc, 2); // dsurmod
345 if ((acmod & 1) && acmod != 1)
346 skip_bits(&gbc, 2); // cmixlev
348 skip_bits(&gbc, 2); // surmixlev
350 lfeon = get_bits1(&gbc);
352 init_put_bits(&pbc, buf, sizeof(buf));
353 put_bits(&pbc, 2, fscod);
354 put_bits(&pbc, 5, bsid);
355 put_bits(&pbc, 3, bsmod);
356 put_bits(&pbc, 3, acmod);
357 put_bits(&pbc, 1, lfeon);
358 put_bits(&pbc, 5, frmsizecod >> 1); // bit_rate_code
359 put_bits(&pbc, 5, 0); // reserved
361 flush_put_bits(&pbc);
362 avio_write(pb, buf, sizeof(buf));
372 /* Layout of the EC3SpecificBox */
373 /* maximum bitrate */
375 /* number of independent substreams */
378 /* sample rate code (see ff_ac3_sample_rate_tab) 2 bits */
380 /* bit stream identification 5 bits */
382 /* one bit reserved */
383 /* audio service mixing (not supported yet) 1 bit */
384 /* bit stream mode 3 bits */
386 /* audio coding mode 3 bits */
388 /* sub woofer on 1 bit */
390 /* 3 bits reserved */
391 /* number of dependent substreams associated with this substream 4 bits */
393 /* channel locations of the dependent substream(s), if any, 9 bits */
395 /* if there is no dependent substream, then one bit reserved instead */
396 } substream[1]; /* TODO: support 8 independent substreams */
399 #if CONFIG_AC3_PARSER
400 static int handle_eac3(MOVMuxContext *mov, AVPacket *pkt, MOVTrack *track)
402 AC3HeaderInfo *hdr = NULL;
403 struct eac3_info *info;
406 if (!track->eac3_priv && !(track->eac3_priv = av_mallocz(sizeof(*info))))
407 return AVERROR(ENOMEM);
408 info = track->eac3_priv;
410 if (avpriv_ac3_parse_header(&hdr, pkt->data, pkt->size) < 0) {
411 /* drop the packets until we see a good one */
413 av_log(mov->fc, AV_LOG_WARNING, "Dropping invalid packet from start of the stream\n");
416 ret = AVERROR_INVALIDDATA;
420 info->data_rate = FFMAX(info->data_rate, hdr->bit_rate / 1000);
421 num_blocks = hdr->num_blocks;
423 if (!info->ec3_done) {
424 /* AC-3 substream must be the first one */
425 if (hdr->bitstream_id <= 10 && hdr->substreamid != 0) {
426 ret = AVERROR(EINVAL);
430 /* this should always be the case, given that our AC-3 parser
431 * concatenates dependent frames to their independent parent */
432 if (hdr->frame_type == EAC3_FRAME_TYPE_INDEPENDENT) {
433 /* substream ids must be incremental */
434 if (hdr->substreamid > info->num_ind_sub + 1) {
435 ret = AVERROR(EINVAL);
439 if (hdr->substreamid == info->num_ind_sub + 1) {
440 //info->num_ind_sub++;
441 avpriv_request_sample(mov->fc, "Multiple independent substreams");
442 ret = AVERROR_PATCHWELCOME;
444 } else if (hdr->substreamid < info->num_ind_sub ||
445 hdr->substreamid == 0 && info->substream[0].bsid) {
450 if (hdr->substreamid != 0) {
451 avpriv_request_sample(mov->fc, "Multiple non EAC3 independent substreams");
452 ret = AVERROR_PATCHWELCOME;
457 /* fill the info needed for the "dec3" atom */
458 info->substream[hdr->substreamid].fscod = hdr->sr_code;
459 info->substream[hdr->substreamid].bsid = hdr->bitstream_id;
460 info->substream[hdr->substreamid].bsmod = hdr->bitstream_mode;
461 info->substream[hdr->substreamid].acmod = hdr->channel_mode;
462 info->substream[hdr->substreamid].lfeon = hdr->lfe_on;
464 /* Parse dependent substream(s), if any */
465 if (pkt->size != hdr->frame_size) {
466 int cumul_size = hdr->frame_size;
467 int parent = hdr->substreamid;
469 while (cumul_size != pkt->size) {
472 ret = avpriv_ac3_parse_header(&hdr, pkt->data + cumul_size, pkt->size - cumul_size);
475 if (hdr->frame_type != EAC3_FRAME_TYPE_DEPENDENT) {
476 ret = AVERROR(EINVAL);
479 info->substream[parent].num_dep_sub++;
482 /* header is parsed up to lfeon, but custom channel map may be needed */
483 init_get_bits8(&gbc, pkt->data + cumul_size + ret, pkt->size - cumul_size - ret);
486 /* skip volume control params */
487 for (i = 0; i < (hdr->channel_mode ? 1 : 2); i++) {
488 skip_bits(&gbc, 5); // skip dialog normalization
489 if (get_bits1(&gbc)) {
490 skip_bits(&gbc, 8); // skip compression gain word
493 /* get the dependent stream channel map, if exists */
495 info->substream[parent].chan_loc |= (get_bits(&gbc, 16) >> 5) & 0x1f;
497 info->substream[parent].chan_loc |= hdr->channel_mode;
498 cumul_size += hdr->frame_size;
504 if (!info->num_blocks && num_blocks == 6) {
508 else if (info->num_blocks + num_blocks > 6) {
509 ret = AVERROR_INVALIDDATA;
513 if (!info->num_blocks) {
514 ret = av_packet_ref(&info->pkt, pkt);
516 info->num_blocks = num_blocks;
519 if ((ret = av_grow_packet(&info->pkt, pkt->size)) < 0)
521 memcpy(info->pkt.data + info->pkt.size - pkt->size, pkt->data, pkt->size);
522 info->num_blocks += num_blocks;
523 info->pkt.duration += pkt->duration;
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 struct mpeg4_bit_rate_values {
637 uint32_t buffer_size; ///< Size of the decoding buffer for the elementary stream in bytes.
638 uint32_t max_bit_rate; ///< Maximum rate in bits/second over any window of one second.
639 uint32_t avg_bit_rate; ///< Average rate in bits/second over the entire presentation.
642 static struct mpeg4_bit_rate_values calculate_mpeg4_bit_rates(MOVTrack *track)
644 AVCPBProperties *props = track->st ?
645 (AVCPBProperties*)av_stream_get_side_data(track->st,
646 AV_PKT_DATA_CPB_PROPERTIES,
649 struct mpeg4_bit_rate_values bit_rates = { 0 };
651 bit_rates.avg_bit_rate = compute_avg_bitrate(track);
652 if (!bit_rates.avg_bit_rate) {
653 // if the average bit rate cannot be calculated at this point, such as
654 // in the case of fragmented MP4, utilize the following values as
655 // fall-back in priority order:
657 // 1. average bit rate property
658 // 2. bit rate (usually average over the whole clip)
659 // 3. maximum bit rate property
661 if (props && props->avg_bitrate) {
662 bit_rates.avg_bit_rate = props->avg_bitrate;
663 } else if (track->par->bit_rate) {
664 bit_rates.avg_bit_rate = track->par->bit_rate;
665 } else if (props && props->max_bitrate) {
666 bit_rates.avg_bit_rate = props->max_bitrate;
670 // (FIXME should be max rate in any 1 sec window)
671 bit_rates.max_bit_rate = FFMAX(track->par->bit_rate,
672 bit_rates.avg_bit_rate);
674 // utilize values from properties if we have them available
676 bit_rates.max_bit_rate = FFMAX(bit_rates.max_bit_rate,
678 bit_rates.buffer_size = props->buffer_size / 8;
684 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
686 struct mpeg4_bit_rate_values bit_rates = calculate_mpeg4_bit_rates(track);
687 int64_t pos = avio_tell(pb);
688 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
690 avio_wb32(pb, 0); // size
691 ffio_wfourcc(pb, "esds");
692 avio_wb32(pb, 0); // Version
695 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
696 avio_wb16(pb, track->track_id);
697 avio_w8(pb, 0x00); // flags (= no flags)
699 // DecoderConfig descriptor
700 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
702 // Object type indication
703 if ((track->par->codec_id == AV_CODEC_ID_MP2 ||
704 track->par->codec_id == AV_CODEC_ID_MP3) &&
705 track->par->sample_rate > 24000)
706 avio_w8(pb, 0x6B); // 11172-3
708 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->par->codec_id));
710 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
711 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
712 if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
713 avio_w8(pb, (0x38 << 2) | 1); // flags (= NeroSubpicStream)
714 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
715 avio_w8(pb, 0x15); // flags (= Audiostream)
717 avio_w8(pb, 0x11); // flags (= Visualstream)
719 avio_wb24(pb, bit_rates.buffer_size); // Buffersize DB
720 avio_wb32(pb, bit_rates.max_bit_rate); // maxbitrate
721 avio_wb32(pb, bit_rates.avg_bit_rate);
723 if (track->vos_len) {
724 // DecoderSpecific info descriptor
725 put_descr(pb, 0x05, track->vos_len);
726 avio_write(pb, track->vos_data, track->vos_len);
730 put_descr(pb, 0x06, 1);
732 return update_size(pb, pos);
735 static int mov_pcm_le_gt16(enum AVCodecID codec_id)
737 return codec_id == AV_CODEC_ID_PCM_S24LE ||
738 codec_id == AV_CODEC_ID_PCM_S32LE ||
739 codec_id == AV_CODEC_ID_PCM_F32LE ||
740 codec_id == AV_CODEC_ID_PCM_F64LE;
743 static int mov_pcm_be_gt16(enum AVCodecID codec_id)
745 return codec_id == AV_CODEC_ID_PCM_S24BE ||
746 codec_id == AV_CODEC_ID_PCM_S32BE ||
747 codec_id == AV_CODEC_ID_PCM_F32BE ||
748 codec_id == AV_CODEC_ID_PCM_F64BE;
751 static int mov_write_ms_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
754 int64_t pos = avio_tell(pb);
756 avio_wl32(pb, track->tag); // store it byteswapped
757 track->par->codec_tag = av_bswap16(track->tag >> 16);
758 if ((ret = ff_put_wav_header(s, pb, track->par, 0)) < 0)
760 return update_size(pb, pos);
763 static int mov_write_wfex_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
766 int64_t pos = avio_tell(pb);
768 ffio_wfourcc(pb, "wfex");
769 if ((ret = ff_put_wav_header(s, pb, track->st->codecpar, FF_PUT_WAV_HEADER_FORCE_WAVEFORMATEX)) < 0)
771 return update_size(pb, pos);
774 static int mov_write_dfla_tag(AVIOContext *pb, MOVTrack *track)
776 int64_t pos = avio_tell(pb);
778 ffio_wfourcc(pb, "dfLa");
779 avio_w8(pb, 0); /* version */
780 avio_wb24(pb, 0); /* flags */
782 /* Expect the encoder to pass a METADATA_BLOCK_TYPE_STREAMINFO. */
783 if (track->par->extradata_size != FLAC_STREAMINFO_SIZE)
784 return AVERROR_INVALIDDATA;
786 /* TODO: Write other METADATA_BLOCK_TYPEs if the encoder makes them available. */
787 avio_w8(pb, 1 << 7 | FLAC_METADATA_TYPE_STREAMINFO); /* LastMetadataBlockFlag << 7 | BlockType */
788 avio_wb24(pb, track->par->extradata_size); /* Length */
789 avio_write(pb, track->par->extradata, track->par->extradata_size); /* BlockData[Length] */
791 return update_size(pb, pos);
794 static int mov_write_dops_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
796 int64_t pos = avio_tell(pb);
798 ffio_wfourcc(pb, "dOps");
799 avio_w8(pb, 0); /* Version */
800 if (track->par->extradata_size < 19) {
801 av_log(s, AV_LOG_ERROR, "invalid extradata size\n");
802 return AVERROR_INVALIDDATA;
804 /* extradata contains an Ogg OpusHead, other than byte-ordering and
805 OpusHead's preceeding magic/version, OpusSpecificBox is currently
807 avio_w8(pb, AV_RB8(track->par->extradata + 9)); /* OuputChannelCount */
808 avio_wb16(pb, AV_RL16(track->par->extradata + 10)); /* PreSkip */
809 avio_wb32(pb, AV_RL32(track->par->extradata + 12)); /* InputSampleRate */
810 avio_wb16(pb, AV_RL16(track->par->extradata + 16)); /* OutputGain */
811 /* Write the rest of the header out without byte-swapping. */
812 avio_write(pb, track->par->extradata + 18, track->par->extradata_size - 18);
814 return update_size(pb, pos);
817 static int mov_write_dmlp_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
819 int64_t pos = avio_tell(pb);
822 ffio_wfourcc(pb, "dmlp");
824 if (track->vos_len < 20) {
825 av_log(s, AV_LOG_ERROR,
826 "Cannot write moov atom before TrueHD packets."
827 " Set the delay_moov flag to fix this.\n");
828 return AVERROR(EINVAL);
831 length = (AV_RB16(track->vos_data) & 0xFFF) * 2;
832 if (length < 20 || length > track->vos_len)
833 return AVERROR_INVALIDDATA;
835 // Only TrueHD is supported
836 if (AV_RB32(track->vos_data + 4) != 0xF8726FBA)
837 return AVERROR_INVALIDDATA;
839 avio_wb32(pb, AV_RB32(track->vos_data + 8)); /* format_info */
840 avio_wb16(pb, AV_RB16(track->vos_data + 18) << 1); /* peak_data_rate */
841 avio_wb32(pb, 0); /* reserved */
843 return update_size(pb, pos);
846 static int mov_write_chan_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
848 uint32_t layout_tag, bitmap;
849 int64_t pos = avio_tell(pb);
851 layout_tag = ff_mov_get_channel_layout_tag(track->par->codec_id,
852 track->par->channel_layout,
855 av_log(s, AV_LOG_WARNING, "not writing 'chan' tag due to "
856 "lack of channel information\n");
860 if (track->multichannel_as_mono)
863 avio_wb32(pb, 0); // Size
864 ffio_wfourcc(pb, "chan"); // Type
865 avio_w8(pb, 0); // Version
866 avio_wb24(pb, 0); // Flags
867 avio_wb32(pb, layout_tag); // mChannelLayoutTag
868 avio_wb32(pb, bitmap); // mChannelBitmap
869 avio_wb32(pb, 0); // mNumberChannelDescriptions
871 return update_size(pb, pos);
874 static int mov_write_wave_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
876 int64_t pos = avio_tell(pb);
878 avio_wb32(pb, 0); /* size */
879 ffio_wfourcc(pb, "wave");
881 if (track->par->codec_id != AV_CODEC_ID_QDM2) {
882 avio_wb32(pb, 12); /* size */
883 ffio_wfourcc(pb, "frma");
884 avio_wl32(pb, track->tag);
887 if (track->par->codec_id == AV_CODEC_ID_AAC) {
888 /* useless atom needed by mplayer, ipod, not needed by quicktime */
889 avio_wb32(pb, 12); /* size */
890 ffio_wfourcc(pb, "mp4a");
892 mov_write_esds_tag(pb, track);
893 } else if (mov_pcm_le_gt16(track->par->codec_id)) {
894 mov_write_enda_tag(pb);
895 } else if (mov_pcm_be_gt16(track->par->codec_id)) {
896 mov_write_enda_tag_be(pb);
897 } else if (track->par->codec_id == AV_CODEC_ID_AMR_NB) {
898 mov_write_amr_tag(pb, track);
899 } else if (track->par->codec_id == AV_CODEC_ID_AC3) {
900 mov_write_ac3_tag(s, pb, track);
901 } else if (track->par->codec_id == AV_CODEC_ID_EAC3) {
902 mov_write_eac3_tag(s, pb, track);
903 } else if (track->par->codec_id == AV_CODEC_ID_ALAC ||
904 track->par->codec_id == AV_CODEC_ID_QDM2) {
905 mov_write_extradata_tag(pb, track);
906 } else if (track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
907 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
908 mov_write_ms_tag(s, pb, track);
911 avio_wb32(pb, 8); /* size */
912 avio_wb32(pb, 0); /* null tag */
914 return update_size(pb, pos);
917 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
920 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
921 int unescaped_size, seq_found = 0;
922 int level = 0, interlace = 0;
923 int packet_seq = track->vc1_info.packet_seq;
924 int packet_entry = track->vc1_info.packet_entry;
925 int slices = track->vc1_info.slices;
928 if (track->start_dts == AV_NOPTS_VALUE) {
929 /* No packets written yet, vc1_info isn't authoritative yet. */
930 /* Assume inline sequence and entry headers. */
931 packet_seq = packet_entry = 1;
932 av_log(NULL, AV_LOG_WARNING,
933 "moov atom written before any packets, unable to write correct "
934 "dvc1 atom. Set the delay_moov flag to fix this.\n");
937 unescaped = av_mallocz(track->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
939 return AVERROR(ENOMEM);
940 start = find_next_marker(track->vos_data, end);
941 for (next = start; next < end; start = next) {
944 next = find_next_marker(start + 4, end);
945 size = next - start - 4;
948 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
949 init_get_bits(&gb, unescaped, 8 * unescaped_size);
950 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
951 int profile = get_bits(&gb, 2);
952 if (profile != PROFILE_ADVANCED) {
954 return AVERROR(ENOSYS);
957 level = get_bits(&gb, 3);
958 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
960 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
961 skip_bits(&gb, 1); /* broadcast */
962 interlace = get_bits1(&gb);
963 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
968 return AVERROR(ENOSYS);
971 init_put_bits(&pbc, buf, 7);
972 /* VC1DecSpecStruc */
973 put_bits(&pbc, 4, 12); /* profile - advanced */
974 put_bits(&pbc, 3, level);
975 put_bits(&pbc, 1, 0); /* reserved */
976 /* VC1AdvDecSpecStruc */
977 put_bits(&pbc, 3, level);
978 put_bits(&pbc, 1, 0); /* cbr */
979 put_bits(&pbc, 6, 0); /* reserved */
980 put_bits(&pbc, 1, !interlace); /* no interlace */
981 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
982 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
983 put_bits(&pbc, 1, !slices); /* no slice code */
984 put_bits(&pbc, 1, 0); /* no bframe */
985 put_bits(&pbc, 1, 0); /* reserved */
988 if (track->st->avg_frame_rate.num > 0 && track->st->avg_frame_rate.den > 0)
989 put_bits32(&pbc, track->st->avg_frame_rate.num / track->st->avg_frame_rate.den);
991 put_bits32(&pbc, 0xffffffff);
993 flush_put_bits(&pbc);
1000 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
1002 uint8_t buf[7] = { 0 };
1005 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
1008 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
1009 ffio_wfourcc(pb, "dvc1");
1010 avio_write(pb, buf, sizeof(buf));
1011 avio_write(pb, track->vos_data, track->vos_len);
1016 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
1018 avio_wb32(pb, track->vos_len + 8);
1019 ffio_wfourcc(pb, "glbl");
1020 avio_write(pb, track->vos_data, track->vos_len);
1021 return 8 + track->vos_len;
1025 * Compute flags for 'lpcm' tag.
1026 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
1028 static int mov_get_lpcm_flags(enum AVCodecID codec_id)
1031 case AV_CODEC_ID_PCM_F32BE:
1032 case AV_CODEC_ID_PCM_F64BE:
1034 case AV_CODEC_ID_PCM_F32LE:
1035 case AV_CODEC_ID_PCM_F64LE:
1037 case AV_CODEC_ID_PCM_U8:
1039 case AV_CODEC_ID_PCM_S16BE:
1040 case AV_CODEC_ID_PCM_S24BE:
1041 case AV_CODEC_ID_PCM_S32BE:
1043 case AV_CODEC_ID_PCM_S8:
1044 case AV_CODEC_ID_PCM_S16LE:
1045 case AV_CODEC_ID_PCM_S24LE:
1046 case AV_CODEC_ID_PCM_S32LE:
1053 static int get_cluster_duration(MOVTrack *track, int cluster_idx)
1057 if (cluster_idx >= track->entry)
1060 if (cluster_idx + 1 == track->entry)
1061 next_dts = track->track_duration + track->start_dts;
1063 next_dts = track->cluster[cluster_idx + 1].dts;
1065 next_dts -= track->cluster[cluster_idx].dts;
1067 av_assert0(next_dts >= 0);
1068 av_assert0(next_dts <= INT_MAX);
1073 static int get_samples_per_packet(MOVTrack *track)
1075 int i, first_duration;
1077 // return track->par->frame_size;
1079 /* use 1 for raw PCM */
1080 if (!track->audio_vbr)
1083 /* check to see if duration is constant for all clusters */
1086 first_duration = get_cluster_duration(track, 0);
1087 for (i = 1; i < track->entry; i++) {
1088 if (get_cluster_duration(track, i) != first_duration)
1091 return first_duration;
1094 static int mov_write_btrt_tag(AVIOContext *pb, MOVTrack *track)
1096 int64_t pos = avio_tell(pb);
1097 struct mpeg4_bit_rate_values bit_rates = calculate_mpeg4_bit_rates(track);
1098 if (!bit_rates.max_bit_rate && !bit_rates.avg_bit_rate &&
1099 !bit_rates.buffer_size)
1100 // no useful data to be written, skip
1103 avio_wb32(pb, 0); /* size */
1104 ffio_wfourcc(pb, "btrt");
1106 avio_wb32(pb, bit_rates.buffer_size);
1107 avio_wb32(pb, bit_rates.max_bit_rate);
1108 avio_wb32(pb, bit_rates.avg_bit_rate);
1110 return update_size(pb, pos);
1113 static int mov_write_audio_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
1115 int64_t pos = avio_tell(pb);
1117 uint32_t tag = track->tag;
1120 if (track->mode == MODE_MOV) {
1121 if (track->timescale > UINT16_MAX || !track->par->channels) {
1122 if (mov_get_lpcm_flags(track->par->codec_id))
1123 tag = AV_RL32("lpcm");
1125 } else if (track->audio_vbr || mov_pcm_le_gt16(track->par->codec_id) ||
1126 mov_pcm_be_gt16(track->par->codec_id) ||
1127 track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
1128 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
1129 track->par->codec_id == AV_CODEC_ID_QDM2) {
1134 avio_wb32(pb, 0); /* size */
1135 if (mov->encryption_scheme != MOV_ENC_NONE) {
1136 ffio_wfourcc(pb, "enca");
1138 avio_wl32(pb, tag); // store it byteswapped
1140 avio_wb32(pb, 0); /* Reserved */
1141 avio_wb16(pb, 0); /* Reserved */
1142 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
1144 /* SoundDescription */
1145 avio_wb16(pb, version); /* Version */
1146 avio_wb16(pb, 0); /* Revision level */
1147 avio_wb32(pb, 0); /* Reserved */
1152 avio_wb16(pb, 0xfffe);
1154 avio_wb32(pb, 0x00010000);
1156 avio_wb64(pb, av_double2int(track->par->sample_rate));
1157 avio_wb32(pb, track->par->channels);
1158 avio_wb32(pb, 0x7F000000);
1159 avio_wb32(pb, av_get_bits_per_sample(track->par->codec_id));
1160 avio_wb32(pb, mov_get_lpcm_flags(track->par->codec_id));
1161 avio_wb32(pb, track->sample_size);
1162 avio_wb32(pb, get_samples_per_packet(track));
1164 if (track->mode == MODE_MOV) {
1165 avio_wb16(pb, track->par->channels);
1166 if (track->par->codec_id == AV_CODEC_ID_PCM_U8 ||
1167 track->par->codec_id == AV_CODEC_ID_PCM_S8)
1168 avio_wb16(pb, 8); /* bits per sample */
1169 else if (track->par->codec_id == AV_CODEC_ID_ADPCM_G726)
1170 avio_wb16(pb, track->par->bits_per_coded_sample);
1173 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
1174 } else { /* reserved for mp4/3gp */
1175 if (track->par->codec_id == AV_CODEC_ID_FLAC ||
1176 track->par->codec_id == AV_CODEC_ID_ALAC ||
1177 track->par->codec_id == AV_CODEC_ID_OPUS) {
1178 avio_wb16(pb, track->par->channels);
1182 if (track->par->codec_id == AV_CODEC_ID_FLAC ||
1183 track->par->codec_id == AV_CODEC_ID_ALAC) {
1184 avio_wb16(pb, track->par->bits_per_raw_sample);
1191 avio_wb16(pb, 0); /* packet size (= 0) */
1192 if (track->par->codec_id == AV_CODEC_ID_OPUS)
1193 avio_wb16(pb, 48000);
1194 else if (track->par->codec_id == AV_CODEC_ID_TRUEHD)
1195 avio_wb32(pb, track->par->sample_rate);
1197 avio_wb16(pb, track->par->sample_rate <= UINT16_MAX ?
1198 track->par->sample_rate : 0);
1200 if (track->par->codec_id != AV_CODEC_ID_TRUEHD)
1201 avio_wb16(pb, 0); /* Reserved */
1204 if (version == 1) { /* SoundDescription V1 extended info */
1205 if (mov_pcm_le_gt16(track->par->codec_id) ||
1206 mov_pcm_be_gt16(track->par->codec_id))
1207 avio_wb32(pb, 1); /* must be 1 for uncompressed formats */
1209 avio_wb32(pb, track->par->frame_size); /* Samples per packet */
1210 avio_wb32(pb, track->sample_size / track->par->channels); /* Bytes per packet */
1211 avio_wb32(pb, track->sample_size); /* Bytes per frame */
1212 avio_wb32(pb, 2); /* Bytes per sample */
1215 if (track->mode == MODE_MOV &&
1216 (track->par->codec_id == AV_CODEC_ID_AAC ||
1217 track->par->codec_id == AV_CODEC_ID_AC3 ||
1218 track->par->codec_id == AV_CODEC_ID_EAC3 ||
1219 track->par->codec_id == AV_CODEC_ID_AMR_NB ||
1220 track->par->codec_id == AV_CODEC_ID_ALAC ||
1221 track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
1222 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
1223 track->par->codec_id == AV_CODEC_ID_QDM2 ||
1224 (mov_pcm_le_gt16(track->par->codec_id) && version==1) ||
1225 (mov_pcm_be_gt16(track->par->codec_id) && version==1)))
1226 ret = mov_write_wave_tag(s, pb, track);
1227 else if (track->tag == MKTAG('m','p','4','a'))
1228 ret = mov_write_esds_tag(pb, track);
1229 else if (track->par->codec_id == AV_CODEC_ID_AMR_NB)
1230 ret = mov_write_amr_tag(pb, track);
1231 else if (track->par->codec_id == AV_CODEC_ID_AC3)
1232 ret = mov_write_ac3_tag(s, pb, track);
1233 else if (track->par->codec_id == AV_CODEC_ID_EAC3)
1234 ret = mov_write_eac3_tag(s, pb, track);
1235 else if (track->par->codec_id == AV_CODEC_ID_ALAC)
1236 ret = mov_write_extradata_tag(pb, track);
1237 else if (track->par->codec_id == AV_CODEC_ID_WMAPRO)
1238 ret = mov_write_wfex_tag(s, pb, track);
1239 else if (track->par->codec_id == AV_CODEC_ID_FLAC)
1240 ret = mov_write_dfla_tag(pb, track);
1241 else if (track->par->codec_id == AV_CODEC_ID_OPUS)
1242 ret = mov_write_dops_tag(s, pb, track);
1243 else if (track->par->codec_id == AV_CODEC_ID_TRUEHD)
1244 ret = mov_write_dmlp_tag(s, pb, track);
1245 else if (track->vos_len > 0)
1246 ret = mov_write_glbl_tag(pb, track);
1251 if (track->mode == MODE_MOV && track->par->codec_type == AVMEDIA_TYPE_AUDIO
1252 && ((ret = mov_write_chan_tag(s, pb, track)) < 0)) {
1256 if (mov->encryption_scheme != MOV_ENC_NONE
1257 && ((ret = ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid)) < 0)) {
1261 if (track->mode == MODE_MP4 &&
1262 ((ret = mov_write_btrt_tag(pb, track)) < 0))
1265 ret = update_size(pb, pos);
1269 static int mov_write_d263_tag(AVIOContext *pb)
1271 avio_wb32(pb, 0xf); /* size */
1272 ffio_wfourcc(pb, "d263");
1273 ffio_wfourcc(pb, "FFMP");
1274 avio_w8(pb, 0); /* decoder version */
1275 /* FIXME use AVCodecContext level/profile, when encoder will set values */
1276 avio_w8(pb, 0xa); /* level */
1277 avio_w8(pb, 0); /* profile */
1281 static int mov_write_av1c_tag(AVIOContext *pb, MOVTrack *track)
1283 int64_t pos = avio_tell(pb);
1286 ffio_wfourcc(pb, "av1C");
1287 ff_isom_write_av1c(pb, track->vos_data, track->vos_len);
1288 return update_size(pb, pos);
1291 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
1293 int64_t pos = avio_tell(pb);
1296 ffio_wfourcc(pb, "avcC");
1297 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
1298 return update_size(pb, pos);
1301 static int mov_write_vpcc_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
1303 int64_t pos = avio_tell(pb);
1306 ffio_wfourcc(pb, "vpcC");
1307 avio_w8(pb, 1); /* version */
1308 avio_wb24(pb, 0); /* flags */
1309 ff_isom_write_vpcc(s, pb, track->par);
1310 return update_size(pb, pos);
1313 static int mov_write_hvcc_tag(AVIOContext *pb, MOVTrack *track)
1315 int64_t pos = avio_tell(pb);
1318 ffio_wfourcc(pb, "hvcC");
1319 if (track->tag == MKTAG('h','v','c','1'))
1320 ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 1);
1322 ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 0);
1323 return update_size(pb, pos);
1326 /* also used by all avid codecs (dv, imx, meridien) and their variants */
1327 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
1332 int display_width = track->par->width;
1334 if (track->vos_data && track->vos_len > 0x29) {
1335 if (ff_dnxhd_parse_header_prefix(track->vos_data) != 0) {
1336 /* looks like a DNxHD bit stream */
1337 interlaced = (track->vos_data[5] & 2);
1338 cid = AV_RB32(track->vos_data + 0x28);
1340 av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream in vos_data\n");
1344 av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream, vos_data too small\n");
1348 avio_wb32(pb, 24); /* size */
1349 ffio_wfourcc(pb, "ACLR");
1350 ffio_wfourcc(pb, "ACLR");
1351 ffio_wfourcc(pb, "0001");
1352 if (track->par->color_range == AVCOL_RANGE_MPEG || /* Legal range (16-235) */
1353 track->par->color_range == AVCOL_RANGE_UNSPECIFIED) {
1354 avio_wb32(pb, 1); /* Corresponds to 709 in official encoder */
1355 } else { /* Full range (0-255) */
1356 avio_wb32(pb, 2); /* Corresponds to RGB in official encoder */
1358 avio_wb32(pb, 0); /* unknown */
1360 if (track->tag == MKTAG('A','V','d','h')) {
1362 ffio_wfourcc(pb, "ADHR");
1363 ffio_wfourcc(pb, "0001");
1365 avio_wb32(pb, 0); /* unknown */
1366 avio_wb32(pb, 1); /* unknown */
1367 avio_wb32(pb, 0); /* unknown */
1368 avio_wb32(pb, 0); /* unknown */
1372 avio_wb32(pb, 24); /* size */
1373 ffio_wfourcc(pb, "APRG");
1374 ffio_wfourcc(pb, "APRG");
1375 ffio_wfourcc(pb, "0001");
1376 avio_wb32(pb, 1); /* unknown */
1377 avio_wb32(pb, 0); /* unknown */
1379 avio_wb32(pb, 120); /* size */
1380 ffio_wfourcc(pb, "ARES");
1381 ffio_wfourcc(pb, "ARES");
1382 ffio_wfourcc(pb, "0001");
1383 avio_wb32(pb, cid); /* dnxhd cid, some id ? */
1384 if ( track->par->sample_aspect_ratio.num > 0
1385 && track->par->sample_aspect_ratio.den > 0)
1386 display_width = display_width * track->par->sample_aspect_ratio.num / track->par->sample_aspect_ratio.den;
1387 avio_wb32(pb, display_width);
1388 /* values below are based on samples created with quicktime and avid codecs */
1390 avio_wb32(pb, track->par->height / 2);
1391 avio_wb32(pb, 2); /* unknown */
1392 avio_wb32(pb, 0); /* unknown */
1393 avio_wb32(pb, 4); /* unknown */
1395 avio_wb32(pb, track->par->height);
1396 avio_wb32(pb, 1); /* unknown */
1397 avio_wb32(pb, 0); /* unknown */
1398 if (track->par->height == 1080)
1399 avio_wb32(pb, 5); /* unknown */
1401 avio_wb32(pb, 6); /* unknown */
1404 for (i = 0; i < 10; i++)
1410 static int mov_write_dpxe_tag(AVIOContext *pb, MOVTrack *track)
1413 ffio_wfourcc(pb, "DpxE");
1414 if (track->par->extradata_size >= 12 &&
1415 !memcmp(&track->par->extradata[4], "DpxE", 4)) {
1416 avio_wb32(pb, track->par->extradata[11]);
1423 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
1427 if (track->par->width == 720) { /* SD */
1428 if (track->par->height == 480) { /* NTSC */
1429 if (track->par->format == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
1430 else tag = MKTAG('d','v','c',' ');
1431 }else if (track->par->format == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
1432 else if (track->par->format == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
1433 else tag = MKTAG('d','v','p','p');
1434 } else if (track->par->height == 720) { /* HD 720 line */
1435 if (track->st->time_base.den == 50) tag = MKTAG('d','v','h','q');
1436 else tag = MKTAG('d','v','h','p');
1437 } else if (track->par->height == 1080) { /* HD 1080 line */
1438 if (track->st->time_base.den == 25) tag = MKTAG('d','v','h','5');
1439 else tag = MKTAG('d','v','h','6');
1441 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
1448 static AVRational find_fps(AVFormatContext *s, AVStream *st)
1450 AVRational rate = st->avg_frame_rate;
1452 #if FF_API_LAVF_AVCTX
1453 FF_DISABLE_DEPRECATION_WARNINGS
1454 rate = av_inv_q(st->codec->time_base);
1455 if (av_timecode_check_frame_rate(rate) < 0) {
1456 av_log(s, AV_LOG_DEBUG, "timecode: tbc=%d/%d invalid, fallback on %d/%d\n",
1457 rate.num, rate.den, st->avg_frame_rate.num, st->avg_frame_rate.den);
1458 rate = st->avg_frame_rate;
1460 FF_ENABLE_DEPRECATION_WARNINGS
1466 static int defined_frame_rate(AVFormatContext *s, AVStream *st)
1468 AVRational rational_framerate = find_fps(s, st);
1470 if (rational_framerate.den != 0)
1471 rate = av_q2d(rational_framerate);
1475 static int mov_get_mpeg2_xdcam_codec_tag(AVFormatContext *s, MOVTrack *track)
1477 int tag = track->par->codec_tag;
1478 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1479 AVStream *st = track->st;
1480 int rate = defined_frame_rate(s, st);
1483 tag = MKTAG('m', '2', 'v', '1'); //fallback tag
1485 if (track->par->format == AV_PIX_FMT_YUV420P) {
1486 if (track->par->width == 1280 && track->par->height == 720) {
1488 if (rate == 24) tag = MKTAG('x','d','v','4');
1489 else if (rate == 25) tag = MKTAG('x','d','v','5');
1490 else if (rate == 30) tag = MKTAG('x','d','v','1');
1491 else if (rate == 50) tag = MKTAG('x','d','v','a');
1492 else if (rate == 60) tag = MKTAG('x','d','v','9');
1494 } else if (track->par->width == 1440 && track->par->height == 1080) {
1496 if (rate == 24) tag = MKTAG('x','d','v','6');
1497 else if (rate == 25) tag = MKTAG('x','d','v','7');
1498 else if (rate == 30) tag = MKTAG('x','d','v','8');
1500 if (rate == 25) tag = MKTAG('x','d','v','3');
1501 else if (rate == 30) tag = MKTAG('x','d','v','2');
1503 } else if (track->par->width == 1920 && track->par->height == 1080) {
1505 if (rate == 24) tag = MKTAG('x','d','v','d');
1506 else if (rate == 25) tag = MKTAG('x','d','v','e');
1507 else if (rate == 30) tag = MKTAG('x','d','v','f');
1509 if (rate == 25) tag = MKTAG('x','d','v','c');
1510 else if (rate == 30) tag = MKTAG('x','d','v','b');
1513 } else if (track->par->format == AV_PIX_FMT_YUV422P) {
1514 if (track->par->width == 1280 && track->par->height == 720) {
1516 if (rate == 24) tag = MKTAG('x','d','5','4');
1517 else if (rate == 25) tag = MKTAG('x','d','5','5');
1518 else if (rate == 30) tag = MKTAG('x','d','5','1');
1519 else if (rate == 50) tag = MKTAG('x','d','5','a');
1520 else if (rate == 60) tag = MKTAG('x','d','5','9');
1522 } else if (track->par->width == 1920 && track->par->height == 1080) {
1524 if (rate == 24) tag = MKTAG('x','d','5','d');
1525 else if (rate == 25) tag = MKTAG('x','d','5','e');
1526 else if (rate == 30) tag = MKTAG('x','d','5','f');
1528 if (rate == 25) tag = MKTAG('x','d','5','c');
1529 else if (rate == 30) tag = MKTAG('x','d','5','b');
1537 static int mov_get_h264_codec_tag(AVFormatContext *s, MOVTrack *track)
1539 int tag = track->par->codec_tag;
1540 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1541 AVStream *st = track->st;
1542 int rate = defined_frame_rate(s, st);
1545 tag = MKTAG('a', 'v', 'c', 'i'); //fallback tag
1547 if (track->par->format == AV_PIX_FMT_YUV420P10) {
1548 if (track->par->width == 960 && track->par->height == 720) {
1550 if (rate == 24) tag = MKTAG('a','i','5','p');
1551 else if (rate == 25) tag = MKTAG('a','i','5','q');
1552 else if (rate == 30) tag = MKTAG('a','i','5','p');
1553 else if (rate == 50) tag = MKTAG('a','i','5','q');
1554 else if (rate == 60) tag = MKTAG('a','i','5','p');
1556 } else if (track->par->width == 1440 && track->par->height == 1080) {
1558 if (rate == 24) tag = MKTAG('a','i','5','3');
1559 else if (rate == 25) tag = MKTAG('a','i','5','2');
1560 else if (rate == 30) tag = MKTAG('a','i','5','3');
1562 if (rate == 50) tag = MKTAG('a','i','5','5');
1563 else if (rate == 60) tag = MKTAG('a','i','5','6');
1566 } else if (track->par->format == AV_PIX_FMT_YUV422P10) {
1567 if (track->par->width == 1280 && track->par->height == 720) {
1569 if (rate == 24) tag = MKTAG('a','i','1','p');
1570 else if (rate == 25) tag = MKTAG('a','i','1','q');
1571 else if (rate == 30) tag = MKTAG('a','i','1','p');
1572 else if (rate == 50) tag = MKTAG('a','i','1','q');
1573 else if (rate == 60) tag = MKTAG('a','i','1','p');
1575 } else if (track->par->width == 1920 && track->par->height == 1080) {
1577 if (rate == 24) tag = MKTAG('a','i','1','3');
1578 else if (rate == 25) tag = MKTAG('a','i','1','2');
1579 else if (rate == 30) tag = MKTAG('a','i','1','3');
1581 if (rate == 25) tag = MKTAG('a','i','1','5');
1582 else if (rate == 50) tag = MKTAG('a','i','1','5');
1583 else if (rate == 60) tag = MKTAG('a','i','1','6');
1585 } else if ( track->par->width == 4096 && track->par->height == 2160
1586 || track->par->width == 3840 && track->par->height == 2160
1587 || track->par->width == 2048 && track->par->height == 1080) {
1588 tag = MKTAG('a','i','v','x');
1595 static const struct {
1596 enum AVPixelFormat pix_fmt;
1599 } mov_pix_fmt_tags[] = {
1600 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','2'), 0 },
1601 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
1602 { AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
1603 { AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
1604 { AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
1605 { AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
1606 { AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
1607 { AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
1608 { AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
1609 { AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
1610 { AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
1611 { AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
1612 { AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
1613 { AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
1614 { AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
1617 static int mov_get_dnxhd_codec_tag(AVFormatContext *s, MOVTrack *track)
1619 int tag = MKTAG('A','V','d','n');
1620 if (track->par->profile != FF_PROFILE_UNKNOWN &&
1621 track->par->profile != FF_PROFILE_DNXHD)
1622 tag = MKTAG('A','V','d','h');
1626 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
1628 int tag = track->par->codec_tag;
1630 enum AVPixelFormat pix_fmt;
1632 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
1633 if (track->par->format == mov_pix_fmt_tags[i].pix_fmt) {
1634 tag = mov_pix_fmt_tags[i].tag;
1635 track->par->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
1636 if (track->par->codec_tag == mov_pix_fmt_tags[i].tag)
1641 pix_fmt = avpriv_find_pix_fmt(avpriv_pix_fmt_bps_mov,
1642 track->par->bits_per_coded_sample);
1643 if (tag == MKTAG('r','a','w',' ') &&
1644 track->par->format != pix_fmt &&
1645 track->par->format != AV_PIX_FMT_GRAY8 &&
1646 track->par->format != AV_PIX_FMT_NONE)
1647 av_log(s, AV_LOG_ERROR, "%s rawvideo cannot be written to mov, output file will be unreadable\n",
1648 av_get_pix_fmt_name(track->par->format));
1652 static unsigned int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1654 unsigned int tag = track->par->codec_tag;
1656 // "rtp " is used to distinguish internally created RTP-hint tracks
1657 // (with rtp_ctx) from other tracks.
1658 if (tag == MKTAG('r','t','p',' '))
1660 if (!tag || (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
1661 (track->par->codec_id == AV_CODEC_ID_DVVIDEO ||
1662 track->par->codec_id == AV_CODEC_ID_RAWVIDEO ||
1663 track->par->codec_id == AV_CODEC_ID_H263 ||
1664 track->par->codec_id == AV_CODEC_ID_H264 ||
1665 track->par->codec_id == AV_CODEC_ID_DNXHD ||
1666 track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO ||
1667 av_get_bits_per_sample(track->par->codec_id)))) { // pcm audio
1668 if (track->par->codec_id == AV_CODEC_ID_DVVIDEO)
1669 tag = mov_get_dv_codec_tag(s, track);
1670 else if (track->par->codec_id == AV_CODEC_ID_RAWVIDEO)
1671 tag = mov_get_rawvideo_codec_tag(s, track);
1672 else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO)
1673 tag = mov_get_mpeg2_xdcam_codec_tag(s, track);
1674 else if (track->par->codec_id == AV_CODEC_ID_H264)
1675 tag = mov_get_h264_codec_tag(s, track);
1676 else if (track->par->codec_id == AV_CODEC_ID_DNXHD)
1677 tag = mov_get_dnxhd_codec_tag(s, track);
1678 else if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
1679 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->par->codec_id);
1680 if (!tag) { // if no mac fcc found, try with Microsoft tags
1681 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->par->codec_id);
1683 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
1684 "the file may be unplayable!\n");
1686 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
1687 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->par->codec_id);
1688 if (!tag) { // if no mac fcc found, try with Microsoft tags
1689 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->par->codec_id);
1691 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
1692 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
1693 "the file may be unplayable!\n");
1696 } else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)
1697 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->par->codec_id);
1703 static const AVCodecTag codec_cover_image_tags[] = {
1704 { AV_CODEC_ID_MJPEG, 0xD },
1705 { AV_CODEC_ID_PNG, 0xE },
1706 { AV_CODEC_ID_BMP, 0x1B },
1707 { AV_CODEC_ID_NONE, 0 },
1710 static unsigned int validate_codec_tag(const AVCodecTag *const *tags,
1711 unsigned int tag, int codec_id)
1716 * Check that tag + id is in the table
1718 for (i = 0; tags && tags[i]; i++) {
1719 const AVCodecTag *codec_tags = tags[i];
1720 while (codec_tags->id != AV_CODEC_ID_NONE) {
1721 if (avpriv_toupper4(codec_tags->tag) == avpriv_toupper4(tag) &&
1722 codec_tags->id == codec_id)
1723 return codec_tags->tag;
1730 static unsigned int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
1732 if (is_cover_image(track->st))
1733 return ff_codec_get_tag(codec_cover_image_tags, track->par->codec_id);
1735 if (track->mode == MODE_IPOD)
1736 if (!av_match_ext(s->url, "m4a") &&
1737 !av_match_ext(s->url, "m4v") &&
1738 !av_match_ext(s->url, "m4b"))
1739 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
1740 "Quicktime/Ipod might not play the file\n");
1742 if (track->mode == MODE_MOV) {
1743 return mov_get_codec_tag(s, track);
1745 return validate_codec_tag(s->oformat->codec_tag, track->par->codec_tag,
1746 track->par->codec_id);
1749 /** Write uuid atom.
1750 * Needed to make file play in iPods running newest firmware
1751 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
1753 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
1756 ffio_wfourcc(pb, "uuid");
1757 avio_wb32(pb, 0x6b6840f2);
1758 avio_wb32(pb, 0x5f244fc5);
1759 avio_wb32(pb, 0xba39a51b);
1760 avio_wb32(pb, 0xcf0323f3);
1765 static const uint16_t fiel_data[] = {
1766 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
1769 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track, int field_order)
1771 unsigned mov_field_order = 0;
1772 if (field_order < FF_ARRAY_ELEMS(fiel_data))
1773 mov_field_order = fiel_data[field_order];
1777 ffio_wfourcc(pb, "fiel");
1778 avio_wb16(pb, mov_field_order);
1782 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
1784 int ret = AVERROR_BUG;
1785 int64_t pos = avio_tell(pb);
1786 avio_wb32(pb, 0); /* size */
1787 avio_wl32(pb, track->tag); // store it byteswapped
1788 avio_wb32(pb, 0); /* Reserved */
1789 avio_wb16(pb, 0); /* Reserved */
1790 avio_wb16(pb, 1); /* Data-reference index */
1792 if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
1793 mov_write_esds_tag(pb, track);
1794 else if (track->par->extradata_size)
1795 avio_write(pb, track->par->extradata, track->par->extradata_size);
1797 if (track->mode == MODE_MP4 &&
1798 ((ret = mov_write_btrt_tag(pb, track)) < 0))
1801 return update_size(pb, pos);
1804 static int mov_write_st3d_tag(AVFormatContext *s, AVIOContext *pb, AVStereo3D *stereo_3d)
1808 if (stereo_3d->flags != 0) {
1809 av_log(s, AV_LOG_WARNING, "Unsupported stereo_3d flags %x. st3d not written.\n", stereo_3d->flags);
1813 switch (stereo_3d->type) {
1814 case AV_STEREO3D_2D:
1817 case AV_STEREO3D_TOPBOTTOM:
1820 case AV_STEREO3D_SIDEBYSIDE:
1824 av_log(s, AV_LOG_WARNING, "Unsupported stereo_3d type %s. st3d not written.\n", av_stereo3d_type_name(stereo_3d->type));
1827 avio_wb32(pb, 13); /* size */
1828 ffio_wfourcc(pb, "st3d");
1829 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1830 avio_w8(pb, stereo_mode);
1834 static int mov_write_sv3d_tag(AVFormatContext *s, AVIOContext *pb, AVSphericalMapping *spherical_mapping)
1836 int64_t sv3d_pos, svhd_pos, proj_pos;
1837 const char* metadata_source = s->flags & AVFMT_FLAG_BITEXACT ? "Lavf" : LIBAVFORMAT_IDENT;
1839 if (spherical_mapping->projection != AV_SPHERICAL_EQUIRECTANGULAR &&
1840 spherical_mapping->projection != AV_SPHERICAL_EQUIRECTANGULAR_TILE &&
1841 spherical_mapping->projection != AV_SPHERICAL_CUBEMAP) {
1842 av_log(s, AV_LOG_WARNING, "Unsupported projection %d. sv3d not written.\n", spherical_mapping->projection);
1846 sv3d_pos = avio_tell(pb);
1847 avio_wb32(pb, 0); /* size */
1848 ffio_wfourcc(pb, "sv3d");
1850 svhd_pos = avio_tell(pb);
1851 avio_wb32(pb, 0); /* size */
1852 ffio_wfourcc(pb, "svhd");
1853 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1854 avio_put_str(pb, metadata_source);
1855 update_size(pb, svhd_pos);
1857 proj_pos = avio_tell(pb);
1858 avio_wb32(pb, 0); /* size */
1859 ffio_wfourcc(pb, "proj");
1861 avio_wb32(pb, 24); /* size */
1862 ffio_wfourcc(pb, "prhd");
1863 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1864 avio_wb32(pb, spherical_mapping->yaw);
1865 avio_wb32(pb, spherical_mapping->pitch);
1866 avio_wb32(pb, spherical_mapping->roll);
1868 switch (spherical_mapping->projection) {
1869 case AV_SPHERICAL_EQUIRECTANGULAR:
1870 case AV_SPHERICAL_EQUIRECTANGULAR_TILE:
1871 avio_wb32(pb, 28); /* size */
1872 ffio_wfourcc(pb, "equi");
1873 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1874 avio_wb32(pb, spherical_mapping->bound_top);
1875 avio_wb32(pb, spherical_mapping->bound_bottom);
1876 avio_wb32(pb, spherical_mapping->bound_left);
1877 avio_wb32(pb, spherical_mapping->bound_right);
1879 case AV_SPHERICAL_CUBEMAP:
1880 avio_wb32(pb, 20); /* size */
1881 ffio_wfourcc(pb, "cbmp");
1882 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1883 avio_wb32(pb, 0); /* layout */
1884 avio_wb32(pb, spherical_mapping->padding); /* padding */
1887 update_size(pb, proj_pos);
1889 return update_size(pb, sv3d_pos);
1892 static int mov_write_dvcc_dvvc_tag(AVFormatContext *s, AVIOContext *pb, AVDOVIDecoderConfigurationRecord *dovi)
1894 avio_wb32(pb, 32); /* size = 8 + 24 */
1895 if (dovi->dv_profile > 7)
1896 ffio_wfourcc(pb, "dvvC");
1898 ffio_wfourcc(pb, "dvcC");
1899 avio_w8(pb, dovi->dv_version_major);
1900 avio_w8(pb, dovi->dv_version_minor);
1901 avio_wb16(pb, (dovi->dv_profile << 9) | (dovi->dv_level << 3) |
1902 (dovi->rpu_present_flag << 2) | (dovi->el_present_flag << 1) |
1903 dovi->bl_present_flag);
1904 avio_wb32(pb, (dovi->dv_bl_signal_compatibility_id << 28) | 0);
1906 avio_wb32(pb, 0); /* reserved */
1907 avio_wb32(pb, 0); /* reserved */
1908 avio_wb32(pb, 0); /* reserved */
1909 avio_wb32(pb, 0); /* reserved */
1910 av_log(s, AV_LOG_DEBUG, "DOVI in %s box, version: %d.%d, profile: %d, level: %d, "
1911 "rpu flag: %d, el flag: %d, bl flag: %d, compatibility id: %d\n",
1912 dovi->dv_profile > 7 ? "dvvC" : "dvcC",
1913 dovi->dv_version_major, dovi->dv_version_minor,
1914 dovi->dv_profile, dovi->dv_level,
1915 dovi->rpu_present_flag,
1916 dovi->el_present_flag,
1917 dovi->bl_present_flag,
1918 dovi->dv_bl_signal_compatibility_id);
1919 return 32; /* 8 + 24 */
1922 static int mov_write_clap_tag(AVIOContext *pb, MOVTrack *track)
1925 ffio_wfourcc(pb, "clap");
1926 avio_wb32(pb, track->par->width); /* apertureWidth_N */
1927 avio_wb32(pb, 1); /* apertureWidth_D (= 1) */
1928 avio_wb32(pb, track->height); /* apertureHeight_N */
1929 avio_wb32(pb, 1); /* apertureHeight_D (= 1) */
1930 avio_wb32(pb, 0); /* horizOff_N (= 0) */
1931 avio_wb32(pb, 1); /* horizOff_D (= 1) */
1932 avio_wb32(pb, 0); /* vertOff_N (= 0) */
1933 avio_wb32(pb, 1); /* vertOff_D (= 1) */
1937 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
1940 av_reduce(&sar.num, &sar.den, track->par->sample_aspect_ratio.num,
1941 track->par->sample_aspect_ratio.den, INT_MAX);
1944 ffio_wfourcc(pb, "pasp");
1945 avio_wb32(pb, sar.num);
1946 avio_wb32(pb, sar.den);
1950 static int mov_write_gama_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track, double gamma)
1954 gamma = avpriv_get_gamma_from_trc(track->par->color_trc);
1956 av_log(s, AV_LOG_DEBUG, "gamma value %g\n", gamma);
1959 gama = (uint32_t)lrint((double)(1<<16) * gamma);
1960 av_log(s, AV_LOG_DEBUG, "writing gama value %"PRId32"\n", gama);
1962 av_assert0(track->mode == MODE_MOV);
1964 ffio_wfourcc(pb, "gama");
1965 avio_wb32(pb, gama);
1968 av_log(s, AV_LOG_WARNING, "gamma value unknown, unable to write gama atom\n");
1973 static int mov_write_colr_tag(AVIOContext *pb, MOVTrack *track, int prefer_icc)
1975 int64_t pos = avio_tell(pb);
1977 // Ref (MOV): https://developer.apple.com/library/mac/technotes/tn2162/_index.html#//apple_ref/doc/uid/DTS40013070-CH1-TNTAG9
1978 // Ref (MP4): ISO/IEC 14496-12:2012
1980 const uint8_t *icc_profile;
1981 int icc_profile_size;
1984 icc_profile = av_stream_get_side_data(track->st, AV_PKT_DATA_ICC_PROFILE, &icc_profile_size);
1987 avio_wb32(pb, 12 + icc_profile_size);
1988 ffio_wfourcc(pb, "colr");
1989 ffio_wfourcc(pb, "prof");
1990 avio_write(pb, icc_profile, icc_profile_size);
1991 return 12 + icc_profile_size;
1994 av_log(NULL, AV_LOG_INFO, "no ICC profile found, will write nclx/nclc colour info instead\n");
1998 /* We should only ever be called by MOV or MP4. */
1999 av_assert0(track->mode == MODE_MOV || track->mode == MODE_MP4);
2001 avio_wb32(pb, 0); /* size */
2002 ffio_wfourcc(pb, "colr");
2003 if (track->mode == MODE_MP4)
2004 ffio_wfourcc(pb, "nclx");
2006 ffio_wfourcc(pb, "nclc");
2007 // Do not try to guess the color info if it is AVCOL_PRI_UNSPECIFIED.
2008 // e.g., Dolby Vision for Apple devices should be set to AVCOL_PRI_UNSPECIFIED. See
2009 // https://developer.apple.com/av-foundation/High-Dynamic-Range-Metadata-for-Apple-Devices.pdf
2010 avio_wb16(pb, track->par->color_primaries);
2011 avio_wb16(pb, track->par->color_trc);
2012 avio_wb16(pb, track->par->color_space);
2013 if (track->mode == MODE_MP4) {
2014 int full_range = track->par->color_range == AVCOL_RANGE_JPEG;
2015 avio_w8(pb, full_range << 7);
2018 return update_size(pb, pos);
2021 static int mov_write_clli_tag(AVIOContext *pb, MOVTrack *track)
2023 const uint8_t *side_data;
2024 const AVContentLightMetadata *content_light_metadata;
2026 side_data = av_stream_get_side_data(track->st, AV_PKT_DATA_CONTENT_LIGHT_LEVEL, NULL);
2030 content_light_metadata = (const AVContentLightMetadata*)side_data;
2032 avio_wb32(pb, 12); // size
2033 ffio_wfourcc(pb, "clli");
2034 avio_wb16(pb, content_light_metadata->MaxCLL);
2035 avio_wb16(pb, content_light_metadata->MaxFALL);
2039 static inline int64_t rescale_mdcv(AVRational q, int b)
2041 return av_rescale(q.num, b, q.den);
2044 static int mov_write_mdcv_tag(AVIOContext *pb, MOVTrack *track)
2046 const int chroma_den = 50000;
2047 const int luma_den = 10000;
2048 const uint8_t *side_data;
2049 const AVMasteringDisplayMetadata *metadata;
2051 side_data = av_stream_get_side_data(track->st, AV_PKT_DATA_MASTERING_DISPLAY_METADATA, NULL);
2052 metadata = (const AVMasteringDisplayMetadata*)side_data;
2053 if (!metadata || !metadata->has_primaries || !metadata->has_luminance) {
2057 avio_wb32(pb, 32); // size
2058 ffio_wfourcc(pb, "mdcv");
2059 avio_wb16(pb, rescale_mdcv(metadata->display_primaries[1][0], chroma_den));
2060 avio_wb16(pb, rescale_mdcv(metadata->display_primaries[1][1], chroma_den));
2061 avio_wb16(pb, rescale_mdcv(metadata->display_primaries[2][0], chroma_den));
2062 avio_wb16(pb, rescale_mdcv(metadata->display_primaries[2][1], chroma_den));
2063 avio_wb16(pb, rescale_mdcv(metadata->display_primaries[0][0], chroma_den));
2064 avio_wb16(pb, rescale_mdcv(metadata->display_primaries[0][1], chroma_den));
2065 avio_wb16(pb, rescale_mdcv(metadata->white_point[0], chroma_den));
2066 avio_wb16(pb, rescale_mdcv(metadata->white_point[1], chroma_den));
2067 avio_wb32(pb, rescale_mdcv(metadata->max_luminance, luma_den));
2068 avio_wb32(pb, rescale_mdcv(metadata->min_luminance, luma_den));
2072 static void find_compressor(char * compressor_name, int len, MOVTrack *track)
2074 AVDictionaryEntry *encoder;
2075 int xdcam_res = (track->par->width == 1280 && track->par->height == 720)
2076 || (track->par->width == 1440 && track->par->height == 1080)
2077 || (track->par->width == 1920 && track->par->height == 1080);
2079 if (track->mode == MODE_MOV &&
2080 (encoder = av_dict_get(track->st->metadata, "encoder", NULL, 0))) {
2081 av_strlcpy(compressor_name, encoder->value, 32);
2082 } else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO && xdcam_res) {
2083 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
2084 AVStream *st = track->st;
2085 int rate = defined_frame_rate(NULL, st);
2086 av_strlcatf(compressor_name, len, "XDCAM");
2087 if (track->par->format == AV_PIX_FMT_YUV422P) {
2088 av_strlcatf(compressor_name, len, " HD422");
2089 } else if(track->par->width == 1440) {
2090 av_strlcatf(compressor_name, len, " HD");
2092 av_strlcatf(compressor_name, len, " EX");
2094 av_strlcatf(compressor_name, len, " %d%c", track->par->height, interlaced ? 'i' : 'p');
2096 av_strlcatf(compressor_name, len, "%d", rate * (interlaced + 1));
2100 static int mov_write_video_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2102 int ret = AVERROR_BUG;
2103 int64_t pos = avio_tell(pb);
2104 char compressor_name[32] = { 0 };
2107 int uncompressed_ycbcr = ((track->par->codec_id == AV_CODEC_ID_RAWVIDEO && track->par->format == AV_PIX_FMT_UYVY422)
2108 || (track->par->codec_id == AV_CODEC_ID_RAWVIDEO && track->par->format == AV_PIX_FMT_YUYV422)
2109 || track->par->codec_id == AV_CODEC_ID_V308
2110 || track->par->codec_id == AV_CODEC_ID_V408
2111 || track->par->codec_id == AV_CODEC_ID_V410
2112 || track->par->codec_id == AV_CODEC_ID_V210);
2114 avio_wb32(pb, 0); /* size */
2115 if (mov->encryption_scheme != MOV_ENC_NONE) {
2116 ffio_wfourcc(pb, "encv");
2118 avio_wl32(pb, track->tag); // store it byteswapped
2120 avio_wb32(pb, 0); /* Reserved */
2121 avio_wb16(pb, 0); /* Reserved */
2122 avio_wb16(pb, 1); /* Data-reference index */
2124 if (uncompressed_ycbcr) {
2125 avio_wb16(pb, 2); /* Codec stream version */
2127 avio_wb16(pb, 0); /* Codec stream version */
2129 avio_wb16(pb, 0); /* Codec stream revision (=0) */
2130 if (track->mode == MODE_MOV) {
2131 ffio_wfourcc(pb, "FFMP"); /* Vendor */
2132 if (track->par->codec_id == AV_CODEC_ID_RAWVIDEO || uncompressed_ycbcr) {
2133 avio_wb32(pb, 0); /* Temporal Quality */
2134 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
2136 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
2137 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
2140 avio_wb32(pb, 0); /* Reserved */
2141 avio_wb32(pb, 0); /* Reserved */
2142 avio_wb32(pb, 0); /* Reserved */
2144 avio_wb16(pb, track->par->width); /* Video width */
2145 avio_wb16(pb, track->height); /* Video height */
2146 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
2147 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
2148 avio_wb32(pb, 0); /* Data size (= 0) */
2149 avio_wb16(pb, 1); /* Frame count (= 1) */
2151 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
2152 find_compressor(compressor_name, 32, track);
2153 avio_w8(pb, strlen(compressor_name));
2154 avio_write(pb, compressor_name, 31);
2156 if (track->mode == MODE_MOV &&
2157 (track->par->codec_id == AV_CODEC_ID_V410 || track->par->codec_id == AV_CODEC_ID_V210))
2158 avio_wb16(pb, 0x18);
2159 else if (track->mode == MODE_MOV && track->par->bits_per_coded_sample)
2160 avio_wb16(pb, track->par->bits_per_coded_sample |
2161 (track->par->format == AV_PIX_FMT_GRAY8 ? 0x20 : 0));
2163 avio_wb16(pb, 0x18); /* Reserved */
2165 if (track->mode == MODE_MOV && track->par->format == AV_PIX_FMT_PAL8) {
2166 int pal_size = 1 << track->par->bits_per_coded_sample;
2168 avio_wb16(pb, 0); /* Color table ID */
2169 avio_wb32(pb, 0); /* Color table seed */
2170 avio_wb16(pb, 0x8000); /* Color table flags */
2171 avio_wb16(pb, pal_size - 1); /* Color table size (zero-relative) */
2172 for (i = 0; i < pal_size; i++) {
2173 uint32_t rgb = track->palette[i];
2174 uint16_t r = (rgb >> 16) & 0xff;
2175 uint16_t g = (rgb >> 8) & 0xff;
2176 uint16_t b = rgb & 0xff;
2178 avio_wb16(pb, (r << 8) | r);
2179 avio_wb16(pb, (g << 8) | g);
2180 avio_wb16(pb, (b << 8) | b);
2183 avio_wb16(pb, 0xffff); /* Reserved */
2185 if (track->tag == MKTAG('m','p','4','v'))
2186 mov_write_esds_tag(pb, track);
2187 else if (track->par->codec_id == AV_CODEC_ID_H263)
2188 mov_write_d263_tag(pb);
2189 else if (track->par->codec_id == AV_CODEC_ID_AVUI ||
2190 track->par->codec_id == AV_CODEC_ID_SVQ3) {
2191 mov_write_extradata_tag(pb, track);
2193 } else if (track->par->codec_id == AV_CODEC_ID_DNXHD) {
2194 mov_write_avid_tag(pb, track);
2196 } else if (track->par->codec_id == AV_CODEC_ID_HEVC)
2197 mov_write_hvcc_tag(pb, track);
2198 else if (track->par->codec_id == AV_CODEC_ID_H264 && !TAG_IS_AVCI(track->tag)) {
2199 mov_write_avcc_tag(pb, track);
2200 if (track->mode == MODE_IPOD)
2201 mov_write_uuid_tag_ipod(pb);
2202 } else if (track->par->codec_id == AV_CODEC_ID_VP9) {
2203 mov_write_vpcc_tag(mov->fc, pb, track);
2204 } else if (track->par->codec_id == AV_CODEC_ID_AV1) {
2205 mov_write_av1c_tag(pb, track);
2206 } else if (track->par->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
2207 mov_write_dvc1_tag(pb, track);
2208 else if (track->par->codec_id == AV_CODEC_ID_VP6F ||
2209 track->par->codec_id == AV_CODEC_ID_VP6A) {
2210 /* Don't write any potential extradata here - the cropping
2211 * is signalled via the normal width/height fields. */
2212 } else if (track->par->codec_id == AV_CODEC_ID_R10K) {
2213 if (track->par->codec_tag == MKTAG('R','1','0','k'))
2214 mov_write_dpxe_tag(pb, track);
2215 } else if (track->vos_len > 0)
2216 mov_write_glbl_tag(pb, track);
2218 if (track->par->codec_id != AV_CODEC_ID_H264 &&
2219 track->par->codec_id != AV_CODEC_ID_MPEG4 &&
2220 track->par->codec_id != AV_CODEC_ID_DNXHD) {
2221 int field_order = track->par->field_order;
2223 #if FF_API_LAVF_AVCTX
2224 FF_DISABLE_DEPRECATION_WARNINGS
2225 if (field_order != track->st->codec->field_order && track->st->codec->field_order != AV_FIELD_UNKNOWN)
2226 field_order = track->st->codec->field_order;
2227 FF_ENABLE_DEPRECATION_WARNINGS
2230 if (field_order != AV_FIELD_UNKNOWN)
2231 mov_write_fiel_tag(pb, track, field_order);
2234 if (mov->flags & FF_MOV_FLAG_WRITE_GAMA) {
2235 if (track->mode == MODE_MOV)
2236 mov_write_gama_tag(s, pb, track, mov->gamma);
2238 av_log(mov->fc, AV_LOG_WARNING, "Not writing 'gama' atom. Format is not MOV.\n");
2240 if (track->mode == MODE_MOV || track->mode == MODE_MP4) {
2241 int has_color_info = track->par->color_primaries != AVCOL_PRI_UNSPECIFIED &&
2242 track->par->color_trc != AVCOL_TRC_UNSPECIFIED &&
2243 track->par->color_space != AVCOL_SPC_UNSPECIFIED;
2244 if (has_color_info || mov->flags & FF_MOV_FLAG_WRITE_COLR ||
2245 av_stream_get_side_data(track->st, AV_PKT_DATA_ICC_PROFILE, NULL)) {
2246 int prefer_icc = mov->flags & FF_MOV_FLAG_PREFER_ICC || !has_color_info;
2247 mov_write_colr_tag(pb, track, prefer_icc);
2248 } else if (mov->flags & FF_MOV_FLAG_WRITE_COLR) {
2249 av_log(mov->fc, AV_LOG_WARNING, "Not writing 'colr' atom. Format is not MOV or MP4.\n");
2252 if (track->mode == MODE_MOV || track->mode == MODE_MP4) {
2253 mov_write_clli_tag(pb, track);
2254 mov_write_mdcv_tag(pb, track);
2257 if (track->mode == MODE_MP4 && mov->fc->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
2258 AVStereo3D* stereo_3d = (AVStereo3D*) av_stream_get_side_data(track->st, AV_PKT_DATA_STEREO3D, NULL);
2259 AVSphericalMapping* spherical_mapping = (AVSphericalMapping*)av_stream_get_side_data(track->st, AV_PKT_DATA_SPHERICAL, NULL);
2260 AVDOVIDecoderConfigurationRecord *dovi = (AVDOVIDecoderConfigurationRecord *)
2261 av_stream_get_side_data(track->st, AV_PKT_DATA_DOVI_CONF, NULL);;
2264 mov_write_st3d_tag(s, pb, stereo_3d);
2265 if (spherical_mapping)
2266 mov_write_sv3d_tag(mov->fc, pb, spherical_mapping);
2268 mov_write_dvcc_dvvc_tag(s, pb, dovi);
2271 if (track->par->sample_aspect_ratio.den && track->par->sample_aspect_ratio.num) {
2272 mov_write_pasp_tag(pb, track);
2275 if (uncompressed_ycbcr){
2276 mov_write_clap_tag(pb, track);
2279 if (mov->encryption_scheme != MOV_ENC_NONE) {
2280 ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid);
2283 if (track->mode == MODE_MP4 &&
2284 ((ret = mov_write_btrt_tag(pb, track)) < 0))
2287 /* extra padding for avid stsd */
2288 /* https://developer.apple.com/library/mac/documentation/QuickTime/QTFF/QTFFChap2/qtff2.html#//apple_ref/doc/uid/TP40000939-CH204-61112 */
2292 return update_size(pb, pos);
2295 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
2297 int64_t pos = avio_tell(pb);
2298 avio_wb32(pb, 0); /* size */
2299 ffio_wfourcc(pb, "rtp ");
2300 avio_wb32(pb, 0); /* Reserved */
2301 avio_wb16(pb, 0); /* Reserved */
2302 avio_wb16(pb, 1); /* Data-reference index */
2304 avio_wb16(pb, 1); /* Hint track version */
2305 avio_wb16(pb, 1); /* Highest compatible version */
2306 avio_wb32(pb, track->max_packet_size); /* Max packet size */
2308 avio_wb32(pb, 12); /* size */
2309 ffio_wfourcc(pb, "tims");
2310 avio_wb32(pb, track->timescale);
2312 return update_size(pb, pos);
2315 static int mov_write_source_reference_tag(AVIOContext *pb, MOVTrack *track, const char *reel_name)
2317 uint64_t str_size =strlen(reel_name);
2318 int64_t pos = avio_tell(pb);
2320 if (str_size >= UINT16_MAX){
2321 av_log(NULL, AV_LOG_ERROR, "reel_name length %"PRIu64" is too large\n", str_size);
2323 return AVERROR(EINVAL);
2326 avio_wb32(pb, 0); /* size */
2327 ffio_wfourcc(pb, "name"); /* Data format */
2328 avio_wb16(pb, str_size); /* string size */
2329 avio_wb16(pb, track->language); /* langcode */
2330 avio_write(pb, reel_name, str_size); /* reel name */
2331 return update_size(pb,pos);
2334 static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
2336 int64_t pos = avio_tell(pb);
2340 AVDictionaryEntry *t = NULL;
2342 if (!track->st->avg_frame_rate.num || !track->st->avg_frame_rate.den) {
2343 #if FF_API_LAVF_AVCTX
2344 FF_DISABLE_DEPRECATION_WARNINGS
2345 frame_duration = av_rescale(track->timescale, track->st->codec->time_base.num, track->st->codec->time_base.den);
2346 nb_frames = ROUNDED_DIV(track->st->codec->time_base.den, track->st->codec->time_base.num);
2347 FF_ENABLE_DEPRECATION_WARNINGS
2349 av_log(NULL, AV_LOG_ERROR, "avg_frame_rate not set for tmcd track.\n");
2350 return AVERROR(EINVAL);
2353 frame_duration = av_rescale(track->timescale, track->st->avg_frame_rate.num, track->st->avg_frame_rate.den);
2354 nb_frames = ROUNDED_DIV(track->st->avg_frame_rate.den, track->st->avg_frame_rate.num);
2357 if (nb_frames > 255) {
2358 av_log(NULL, AV_LOG_ERROR, "fps %d is too large\n", nb_frames);
2359 return AVERROR(EINVAL);
2362 avio_wb32(pb, 0); /* size */
2363 ffio_wfourcc(pb, "tmcd"); /* Data format */
2364 avio_wb32(pb, 0); /* Reserved */
2365 avio_wb32(pb, 1); /* Data reference index */
2366 avio_wb32(pb, 0); /* Flags */
2367 avio_wb32(pb, track->timecode_flags); /* Flags (timecode) */
2368 avio_wb32(pb, track->timescale); /* Timescale */
2369 avio_wb32(pb, frame_duration); /* Frame duration */
2370 avio_w8(pb, nb_frames); /* Number of frames */
2371 avio_w8(pb, 0); /* Reserved */
2373 t = av_dict_get(track->st->metadata, "reel_name", NULL, 0);
2374 if (t && utf8len(t->value) && track->mode != MODE_MP4)
2375 mov_write_source_reference_tag(pb, track, t->value);
2377 avio_wb16(pb, 0); /* zero size */
2380 avio_wb32(pb, 0); /* size */
2381 ffio_wfourcc(pb, "tmcd"); /* Data format */
2382 avio_wb32(pb, 0); /* Reserved */
2383 avio_wb32(pb, 1); /* Data reference index */
2384 if (track->par->extradata_size)
2385 avio_write(pb, track->par->extradata, track->par->extradata_size);
2387 return update_size(pb, pos);
2390 static int mov_write_gpmd_tag(AVIOContext *pb, const MOVTrack *track)
2392 int64_t pos = avio_tell(pb);
2393 avio_wb32(pb, 0); /* size */
2394 ffio_wfourcc(pb, "gpmd");
2395 avio_wb32(pb, 0); /* Reserved */
2396 avio_wb16(pb, 0); /* Reserved */
2397 avio_wb16(pb, 1); /* Data-reference index */
2398 avio_wb32(pb, 0); /* Reserved */
2399 return update_size(pb, pos);
2402 static int mov_write_stsd_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2404 int64_t pos = avio_tell(pb);
2406 avio_wb32(pb, 0); /* size */
2407 ffio_wfourcc(pb, "stsd");
2408 avio_wb32(pb, 0); /* version & flags */
2409 avio_wb32(pb, 1); /* entry count */
2410 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO)
2411 ret = mov_write_video_tag(s, pb, mov, track);
2412 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2413 ret = mov_write_audio_tag(s, pb, mov, track);
2414 else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)
2415 ret = mov_write_subtitle_tag(pb, track);
2416 else if (track->par->codec_tag == MKTAG('r','t','p',' '))
2417 ret = mov_write_rtp_tag(pb, track);
2418 else if (track->par->codec_tag == MKTAG('t','m','c','d'))
2419 ret = mov_write_tmcd_tag(pb, track);
2420 else if (track->par->codec_tag == MKTAG('g','p','m','d'))
2421 ret = mov_write_gpmd_tag(pb, track);
2426 return update_size(pb, pos);
2429 static int mov_write_ctts_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
2431 MOVMuxContext *mov = s->priv_data;
2432 MOVStts *ctts_entries;
2433 uint32_t entries = 0;
2437 ctts_entries = av_malloc_array((track->entry + 1), sizeof(*ctts_entries)); /* worst case */
2439 return AVERROR(ENOMEM);
2440 ctts_entries[0].count = 1;
2441 ctts_entries[0].duration = track->cluster[0].cts;
2442 for (i = 1; i < track->entry; i++) {
2443 if (track->cluster[i].cts == ctts_entries[entries].duration) {
2444 ctts_entries[entries].count++; /* compress */
2447 ctts_entries[entries].duration = track->cluster[i].cts;
2448 ctts_entries[entries].count = 1;
2451 entries++; /* last one */
2452 atom_size = 16 + (entries * 8);
2453 avio_wb32(pb, atom_size); /* size */
2454 ffio_wfourcc(pb, "ctts");
2455 if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
2456 avio_w8(pb, 1); /* version */
2458 avio_w8(pb, 0); /* version */
2459 avio_wb24(pb, 0); /* flags */
2460 avio_wb32(pb, entries); /* entry count */
2461 for (i = 0; i < entries; i++) {
2462 avio_wb32(pb, ctts_entries[i].count);
2463 avio_wb32(pb, ctts_entries[i].duration);
2465 av_free(ctts_entries);
2469 /* Time to sample atom */
2470 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
2472 MOVStts *stts_entries = NULL;
2473 uint32_t entries = -1;
2477 if (track->par->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
2478 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
2480 return AVERROR(ENOMEM);
2481 stts_entries[0].count = track->sample_count;
2482 stts_entries[0].duration = 1;
2486 stts_entries = av_malloc_array(track->entry, sizeof(*stts_entries)); /* worst case */
2488 return AVERROR(ENOMEM);
2490 for (i = 0; i < track->entry; i++) {
2491 int duration = get_cluster_duration(track, i);
2492 if (i && duration == stts_entries[entries].duration) {
2493 stts_entries[entries].count++; /* compress */
2496 stts_entries[entries].duration = duration;
2497 stts_entries[entries].count = 1;
2500 entries++; /* last one */
2502 atom_size = 16 + (entries * 8);
2503 avio_wb32(pb, atom_size); /* size */
2504 ffio_wfourcc(pb, "stts");
2505 avio_wb32(pb, 0); /* version & flags */
2506 avio_wb32(pb, entries); /* entry count */
2507 for (i = 0; i < entries; i++) {
2508 avio_wb32(pb, stts_entries[i].count);
2509 avio_wb32(pb, stts_entries[i].duration);
2511 av_free(stts_entries);
2515 static int mov_write_dref_tag(AVIOContext *pb)
2517 avio_wb32(pb, 28); /* size */
2518 ffio_wfourcc(pb, "dref");
2519 avio_wb32(pb, 0); /* version & flags */
2520 avio_wb32(pb, 1); /* entry count */
2522 avio_wb32(pb, 0xc); /* size */
2523 //FIXME add the alis and rsrc atom
2524 ffio_wfourcc(pb, "url ");
2525 avio_wb32(pb, 1); /* version & flags */
2530 static int mov_preroll_write_stbl_atoms(AVIOContext *pb, MOVTrack *track)
2534 int16_t roll_distance;
2535 int group_description_index;
2538 struct sgpd_entry *sgpd_entries = NULL;
2543 const int OPUS_SEEK_PREROLL_MS = 80;
2544 int roll_samples = av_rescale_q(OPUS_SEEK_PREROLL_MS,
2545 (AVRational){1, 1000},
2546 (AVRational){1, 48000});
2551 sgpd_entries = av_malloc_array(track->entry, sizeof(*sgpd_entries));
2553 return AVERROR(ENOMEM);
2555 av_assert0(track->par->codec_id == AV_CODEC_ID_OPUS || track->par->codec_id == AV_CODEC_ID_AAC);
2557 if (track->par->codec_id == AV_CODEC_ID_OPUS) {
2558 for (i = 0; i < track->entry; i++) {
2559 int roll_samples_remaining = roll_samples;
2561 for (j = i - 1; j >= 0; j--) {
2562 roll_samples_remaining -= get_cluster_duration(track, j);
2564 if (roll_samples_remaining <= 0)
2567 /* We don't have enough preceeding samples to compute a valid
2568 roll_distance here, so this sample can't be independently
2570 if (roll_samples_remaining > 0)
2572 /* Verify distance is a maximum of 32 (2.5ms) packets. */
2574 return AVERROR_INVALIDDATA;
2575 if (i && distance == sgpd_entries[entries].roll_distance) {
2576 sgpd_entries[entries].count++;
2579 sgpd_entries[entries].count = 1;
2580 sgpd_entries[entries].roll_distance = distance;
2581 sgpd_entries[entries].group_description_index = distance ? ++group : 0;
2586 sgpd_entries[entries].count = track->sample_count;
2587 sgpd_entries[entries].roll_distance = 1;
2588 sgpd_entries[entries].group_description_index = ++group;
2593 av_free(sgpd_entries);
2597 /* Write sgpd tag */
2598 avio_wb32(pb, 24 + (group * 2)); /* size */
2599 ffio_wfourcc(pb, "sgpd");
2600 avio_wb32(pb, 1 << 24); /* fullbox */
2601 ffio_wfourcc(pb, "roll");
2602 avio_wb32(pb, 2); /* default_length */
2603 avio_wb32(pb, group); /* entry_count */
2604 for (i = 0; i < entries; i++) {
2605 if (sgpd_entries[i].group_description_index) {
2606 avio_wb16(pb, -sgpd_entries[i].roll_distance); /* roll_distance */
2610 /* Write sbgp tag */
2611 avio_wb32(pb, 20 + (entries * 8)); /* size */
2612 ffio_wfourcc(pb, "sbgp");
2613 avio_wb32(pb, 0); /* fullbox */
2614 ffio_wfourcc(pb, "roll");
2615 avio_wb32(pb, entries); /* entry_count */
2616 for (i = 0; i < entries; i++) {
2617 avio_wb32(pb, sgpd_entries[i].count); /* sample_count */
2618 avio_wb32(pb, sgpd_entries[i].group_description_index); /* group_description_index */
2621 av_free(sgpd_entries);
2625 static int mov_write_stbl_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2627 int64_t pos = avio_tell(pb);
2630 avio_wb32(pb, 0); /* size */
2631 ffio_wfourcc(pb, "stbl");
2632 if ((ret = mov_write_stsd_tag(s, pb, mov, track)) < 0)
2634 mov_write_stts_tag(pb, track);
2635 if ((track->par->codec_type == AVMEDIA_TYPE_VIDEO ||
2636 track->par->codec_id == AV_CODEC_ID_TRUEHD ||
2637 track->par->codec_id == AV_CODEC_ID_MPEGH_3D_AUDIO ||
2638 track->par->codec_tag == MKTAG('r','t','p',' ')) &&
2639 track->has_keyframes && track->has_keyframes < track->entry)
2640 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
2641 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO && track->has_disposable)
2642 mov_write_sdtp_tag(pb, track);
2643 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
2644 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
2645 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO &&
2646 track->flags & MOV_TRACK_CTTS && track->entry) {
2648 if ((ret = mov_write_ctts_tag(s, pb, track)) < 0)
2651 mov_write_stsc_tag(pb, track);
2652 mov_write_stsz_tag(pb, track);
2653 mov_write_stco_tag(pb, track);
2654 if (track->cenc.aes_ctr) {
2655 ff_mov_cenc_write_stbl_atoms(&track->cenc, pb);
2657 if (track->par->codec_id == AV_CODEC_ID_OPUS || track->par->codec_id == AV_CODEC_ID_AAC) {
2658 mov_preroll_write_stbl_atoms(pb, track);
2660 return update_size(pb, pos);
2663 static int mov_write_dinf_tag(AVIOContext *pb)
2665 int64_t pos = avio_tell(pb);
2666 avio_wb32(pb, 0); /* size */
2667 ffio_wfourcc(pb, "dinf");
2668 mov_write_dref_tag(pb);
2669 return update_size(pb, pos);
2672 static int mov_write_nmhd_tag(AVIOContext *pb)
2675 ffio_wfourcc(pb, "nmhd");
2680 static int mov_write_tcmi_tag(AVIOContext *pb, MOVTrack *track)
2682 int64_t pos = avio_tell(pb);
2683 const char *font = "Lucida Grande";
2684 avio_wb32(pb, 0); /* size */
2685 ffio_wfourcc(pb, "tcmi"); /* timecode media information atom */
2686 avio_wb32(pb, 0); /* version & flags */
2687 avio_wb16(pb, 0); /* text font */
2688 avio_wb16(pb, 0); /* text face */
2689 avio_wb16(pb, 12); /* text size */
2690 avio_wb16(pb, 0); /* (unknown, not in the QT specs...) */
2691 avio_wb16(pb, 0x0000); /* text color (red) */
2692 avio_wb16(pb, 0x0000); /* text color (green) */
2693 avio_wb16(pb, 0x0000); /* text color (blue) */
2694 avio_wb16(pb, 0xffff); /* background color (red) */
2695 avio_wb16(pb, 0xffff); /* background color (green) */
2696 avio_wb16(pb, 0xffff); /* background color (blue) */
2697 avio_w8(pb, strlen(font)); /* font len (part of the pascal string) */
2698 avio_write(pb, font, strlen(font)); /* font name */
2699 return update_size(pb, pos);
2702 static int mov_write_gmhd_tag(AVIOContext *pb, MOVTrack *track)
2704 int64_t pos = avio_tell(pb);
2705 avio_wb32(pb, 0); /* size */
2706 ffio_wfourcc(pb, "gmhd");
2707 avio_wb32(pb, 0x18); /* gmin size */
2708 ffio_wfourcc(pb, "gmin");/* generic media info */
2709 avio_wb32(pb, 0); /* version & flags */
2710 avio_wb16(pb, 0x40); /* graphics mode = */
2711 avio_wb16(pb, 0x8000); /* opColor (r?) */
2712 avio_wb16(pb, 0x8000); /* opColor (g?) */
2713 avio_wb16(pb, 0x8000); /* opColor (b?) */
2714 avio_wb16(pb, 0); /* balance */
2715 avio_wb16(pb, 0); /* reserved */
2718 * This special text atom is required for
2719 * Apple Quicktime chapters. The contents
2720 * don't appear to be documented, so the
2721 * bytes are copied verbatim.
2723 if (track->tag != MKTAG('c','6','0','8')) {
2724 avio_wb32(pb, 0x2C); /* size */
2725 ffio_wfourcc(pb, "text");
2726 avio_wb16(pb, 0x01);
2727 avio_wb32(pb, 0x00);
2728 avio_wb32(pb, 0x00);
2729 avio_wb32(pb, 0x00);
2730 avio_wb32(pb, 0x01);
2731 avio_wb32(pb, 0x00);
2732 avio_wb32(pb, 0x00);
2733 avio_wb32(pb, 0x00);
2734 avio_wb32(pb, 0x00004000);
2735 avio_wb16(pb, 0x0000);
2738 if (track->par->codec_tag == MKTAG('t','m','c','d')) {
2739 int64_t tmcd_pos = avio_tell(pb);
2740 avio_wb32(pb, 0); /* size */
2741 ffio_wfourcc(pb, "tmcd");
2742 mov_write_tcmi_tag(pb, track);
2743 update_size(pb, tmcd_pos);
2744 } else if (track->par->codec_tag == MKTAG('g','p','m','d')) {
2745 int64_t gpmd_pos = avio_tell(pb);
2746 avio_wb32(pb, 0); /* size */
2747 ffio_wfourcc(pb, "gpmd");
2748 avio_wb32(pb, 0); /* version */
2749 update_size(pb, gpmd_pos);
2751 return update_size(pb, pos);
2754 static int mov_write_smhd_tag(AVIOContext *pb)
2756 avio_wb32(pb, 16); /* size */
2757 ffio_wfourcc(pb, "smhd");
2758 avio_wb32(pb, 0); /* version & flags */
2759 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
2760 avio_wb16(pb, 0); /* reserved */
2764 static int mov_write_vmhd_tag(AVIOContext *pb)
2766 avio_wb32(pb, 0x14); /* size (always 0x14) */
2767 ffio_wfourcc(pb, "vmhd");
2768 avio_wb32(pb, 0x01); /* version & flags */
2769 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
2773 static int is_clcp_track(MOVTrack *track)
2775 return track->tag == MKTAG('c','7','0','8') ||
2776 track->tag == MKTAG('c','6','0','8');
2779 static int mov_write_hdlr_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
2781 MOVMuxContext *mov = s->priv_data;
2782 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
2783 int64_t pos = avio_tell(pb);
2787 descr = "DataHandler";
2790 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
2791 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
2793 descr = "VideoHandler";
2794 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
2796 descr = "SoundHandler";
2797 } else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2798 if (is_clcp_track(track)) {
2800 descr = "ClosedCaptionHandler";
2802 if (track->tag == MKTAG('t','x','3','g')) {
2804 } else if (track->tag == MKTAG('m','p','4','s')) {
2809 descr = "SubtitleHandler";
2811 } else if (track->par->codec_tag == MKTAG('r','t','p',' ')) {
2813 descr = "HintHandler";
2814 } else if (track->par->codec_tag == MKTAG('t','m','c','d')) {
2816 descr = "TimeCodeHandler";
2817 } else if (track->par->codec_tag == MKTAG('g','p','m','d')) {
2819 descr = "GoPro MET"; // GoPro Metadata
2821 av_log(s, AV_LOG_WARNING,
2822 "Unknown hldr_type for %s, writing dummy values\n",
2823 av_fourcc2str(track->par->codec_tag));
2826 // hdlr.name is used by some players to identify the content title
2827 // of the track. So if an alternate handler description is
2828 // specified, use it.
2829 AVDictionaryEntry *t;
2830 t = av_dict_get(track->st->metadata, "handler_name", NULL, 0);
2831 if (t && utf8len(t->value))
2836 if (mov->empty_hdlr_name) /* expressly allowed by QTFF and not prohibited in ISO 14496-12 8.4.3.3 */
2839 avio_wb32(pb, 0); /* size */
2840 ffio_wfourcc(pb, "hdlr");
2841 avio_wb32(pb, 0); /* Version & flags */
2842 avio_write(pb, hdlr, 4); /* handler */
2843 ffio_wfourcc(pb, hdlr_type); /* handler type */
2844 avio_wb32(pb, 0); /* reserved */
2845 avio_wb32(pb, 0); /* reserved */
2846 avio_wb32(pb, 0); /* reserved */
2847 if (!track || track->mode == MODE_MOV)
2848 avio_w8(pb, strlen(descr)); /* pascal string */
2849 avio_write(pb, descr, strlen(descr)); /* handler description */
2850 if (track && track->mode != MODE_MOV)
2851 avio_w8(pb, 0); /* c string */
2852 return update_size(pb, pos);
2855 static int mov_write_hmhd_tag(AVIOContext *pb)
2857 /* This atom must be present, but leaving the values at zero
2858 * seems harmless. */
2859 avio_wb32(pb, 28); /* size */
2860 ffio_wfourcc(pb, "hmhd");
2861 avio_wb32(pb, 0); /* version, flags */
2862 avio_wb16(pb, 0); /* maxPDUsize */
2863 avio_wb16(pb, 0); /* avgPDUsize */
2864 avio_wb32(pb, 0); /* maxbitrate */
2865 avio_wb32(pb, 0); /* avgbitrate */
2866 avio_wb32(pb, 0); /* reserved */
2870 static int mov_write_minf_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2872 int64_t pos = avio_tell(pb);
2875 avio_wb32(pb, 0); /* size */
2876 ffio_wfourcc(pb, "minf");
2877 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO)
2878 mov_write_vmhd_tag(pb);
2879 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2880 mov_write_smhd_tag(pb);
2881 else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2882 if (track->tag == MKTAG('t','e','x','t') || is_clcp_track(track)) {
2883 mov_write_gmhd_tag(pb, track);
2885 mov_write_nmhd_tag(pb);
2887 } else if (track->tag == MKTAG('r','t','p',' ')) {
2888 mov_write_hmhd_tag(pb);
2889 } else if (track->tag == MKTAG('t','m','c','d')) {
2890 if (track->mode != MODE_MOV)
2891 mov_write_nmhd_tag(pb);
2893 mov_write_gmhd_tag(pb, track);
2894 } else if (track->tag == MKTAG('g','p','m','d')) {
2895 mov_write_gmhd_tag(pb, track);
2897 if (track->mode == MODE_MOV) /* ISO 14496-12 8.4.3.1 specifies hdlr only within mdia or meta boxes */
2898 mov_write_hdlr_tag(s, pb, NULL);
2899 mov_write_dinf_tag(pb);
2900 if ((ret = mov_write_stbl_tag(s, pb, mov, track)) < 0)
2902 return update_size(pb, pos);
2905 static void get_pts_range(MOVMuxContext *mov, MOVTrack *track,
2906 int64_t *start, int64_t *end)
2908 if (track->tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd) {
2909 // tmcd tracks gets track_duration set in mov_write_moov_tag from
2910 // another track's duration, while the end_pts may be left at zero.
2911 // Calculate the pts duration for that track instead.
2912 get_pts_range(mov, &mov->tracks[track->src_track], start, end);
2913 *start = av_rescale(*start, track->timescale,
2914 mov->tracks[track->src_track].timescale);
2915 *end = av_rescale(*end, track->timescale,
2916 mov->tracks[track->src_track].timescale);
2919 if (track->end_pts != AV_NOPTS_VALUE &&
2920 track->start_dts != AV_NOPTS_VALUE &&
2921 track->start_cts != AV_NOPTS_VALUE) {
2922 *start = track->start_dts + track->start_cts;
2923 *end = track->end_pts;
2927 *end = track->track_duration;
2930 static int64_t calc_samples_pts_duration(MOVMuxContext *mov, MOVTrack *track)
2933 get_pts_range(mov, track, &start, &end);
2937 // Calculate the actual duration of the track, after edits.
2938 // If it starts with a pts < 0, that is removed by the edit list.
2939 // If it starts with a pts > 0, the edit list adds a delay before that.
2940 // Thus, with edit lists enabled, the post-edit output of the file is
2941 // starting with pts=0.
2942 static int64_t calc_pts_duration(MOVMuxContext *mov, MOVTrack *track)
2945 get_pts_range(mov, track, &start, &end);
2946 if (mov->use_editlist != 0)
2951 static int mov_write_mdhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2954 int64_t duration = calc_pts_duration(mov, track);
2955 int version = duration < INT32_MAX ? 0 : 1;
2957 if (track->mode == MODE_ISM)
2960 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
2961 ffio_wfourcc(pb, "mdhd");
2962 avio_w8(pb, version);
2963 avio_wb24(pb, 0); /* flags */
2965 avio_wb64(pb, track->time);
2966 avio_wb64(pb, track->time);
2968 avio_wb32(pb, track->time); /* creation time */
2969 avio_wb32(pb, track->time); /* modification time */
2971 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
2972 if (!track->entry && mov->mode == MODE_ISM)
2973 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2974 else if (!track->entry)
2975 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2977 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration); /* duration */
2978 avio_wb16(pb, track->language); /* language */
2979 avio_wb16(pb, 0); /* reserved (quality) */
2981 if (version != 0 && track->mode == MODE_MOV) {
2982 av_log(NULL, AV_LOG_ERROR,
2983 "FATAL error, file duration too long for timebase, this file will not be\n"
2984 "playable with QuickTime. Choose a different timebase with "
2985 "-video_track_timescale or a different container format\n");
2991 static int mov_write_mdia_tag(AVFormatContext *s, AVIOContext *pb,
2992 MOVMuxContext *mov, MOVTrack *track)
2994 int64_t pos = avio_tell(pb);
2997 avio_wb32(pb, 0); /* size */
2998 ffio_wfourcc(pb, "mdia");
2999 mov_write_mdhd_tag(pb, mov, track);
3000 mov_write_hdlr_tag(s, pb, track);
3001 if ((ret = mov_write_minf_tag(s, pb, mov, track)) < 0)
3003 return update_size(pb, pos);
3006 /* transformation matrix
3010 static void write_matrix(AVIOContext *pb, int16_t a, int16_t b, int16_t c,
3011 int16_t d, int16_t tx, int16_t ty)
3013 avio_wb32(pb, a << 16); /* 16.16 format */
3014 avio_wb32(pb, b << 16); /* 16.16 format */
3015 avio_wb32(pb, 0); /* u in 2.30 format */
3016 avio_wb32(pb, c << 16); /* 16.16 format */
3017 avio_wb32(pb, d << 16); /* 16.16 format */
3018 avio_wb32(pb, 0); /* v in 2.30 format */
3019 avio_wb32(pb, tx << 16); /* 16.16 format */
3020 avio_wb32(pb, ty << 16); /* 16.16 format */
3021 avio_wb32(pb, 1 << 30); /* w in 2.30 format */
3024 static int mov_write_tkhd_tag(AVIOContext *pb, MOVMuxContext *mov,
3025 MOVTrack *track, AVStream *st)
3027 int64_t duration = av_rescale_rnd(calc_pts_duration(mov, track),
3028 MOV_TIMESCALE, track->timescale,
3030 int version = duration < INT32_MAX ? 0 : 1;
3031 int flags = MOV_TKHD_FLAG_IN_MOVIE;
3035 uint32_t *display_matrix = NULL;
3036 int display_matrix_size, i;
3039 if (mov->per_stream_grouping)
3042 group = st->codecpar->codec_type;
3044 display_matrix = (uint32_t*)av_stream_get_side_data(st, AV_PKT_DATA_DISPLAYMATRIX,
3045 &display_matrix_size);
3046 if (display_matrix && display_matrix_size < 9 * sizeof(*display_matrix))
3047 display_matrix = NULL;
3050 if (track->flags & MOV_TRACK_ENABLED)
3051 flags |= MOV_TKHD_FLAG_ENABLED;
3053 if (track->mode == MODE_ISM)
3056 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
3057 ffio_wfourcc(pb, "tkhd");
3058 avio_w8(pb, version);
3059 avio_wb24(pb, flags);
3061 avio_wb64(pb, track->time);
3062 avio_wb64(pb, track->time);
3064 avio_wb32(pb, track->time); /* creation time */
3065 avio_wb32(pb, track->time); /* modification time */
3067 avio_wb32(pb, track->track_id); /* track-id */
3068 avio_wb32(pb, 0); /* reserved */
3069 if (!track->entry && mov->mode == MODE_ISM)
3070 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
3071 else if (!track->entry)
3072 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
3074 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
3076 avio_wb32(pb, 0); /* reserved */
3077 avio_wb32(pb, 0); /* reserved */
3078 avio_wb16(pb, 0); /* layer */
3079 avio_wb16(pb, group); /* alternate group) */
3080 /* Volume, only for audio */
3081 if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
3082 avio_wb16(pb, 0x0100);
3085 avio_wb16(pb, 0); /* reserved */
3087 /* Matrix structure */
3088 #if FF_API_OLD_ROTATE_API
3089 if (st && st->metadata) {
3090 AVDictionaryEntry *rot = av_dict_get(st->metadata, "rotate", NULL, 0);
3091 rotation = (rot && rot->value) ? atoi(rot->value) : 0;
3094 if (display_matrix) {
3095 for (i = 0; i < 9; i++)
3096 avio_wb32(pb, display_matrix[i]);
3097 #if FF_API_OLD_ROTATE_API
3098 } else if (rotation == 90) {
3099 write_matrix(pb, 0, 1, -1, 0, track->par->height, 0);
3100 } else if (rotation == 180) {
3101 write_matrix(pb, -1, 0, 0, -1, track->par->width, track->par->height);
3102 } else if (rotation == 270) {
3103 write_matrix(pb, 0, -1, 1, 0, 0, track->par->width);
3106 write_matrix(pb, 1, 0, 0, 1, 0, 0);
3108 /* Track width and height, for visual only */
3109 if (st && (track->par->codec_type == AVMEDIA_TYPE_VIDEO ||
3110 track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
3111 int64_t track_width_1616;
3112 if (track->mode == MODE_MOV) {
3113 track_width_1616 = track->par->width * 0x10000ULL;
3115 track_width_1616 = av_rescale(st->sample_aspect_ratio.num,
3116 track->par->width * 0x10000LL,
3117 st->sample_aspect_ratio.den);
3118 if (!track_width_1616 ||
3119 track->height != track->par->height ||
3120 track_width_1616 > UINT32_MAX)
3121 track_width_1616 = track->par->width * 0x10000ULL;
3123 if (track_width_1616 > UINT32_MAX) {
3124 av_log(mov->fc, AV_LOG_WARNING, "track width is too large\n");
3125 track_width_1616 = 0;
3127 avio_wb32(pb, track_width_1616);
3128 if (track->height > 0xFFFF) {
3129 av_log(mov->fc, AV_LOG_WARNING, "track height is too large\n");
3132 avio_wb32(pb, track->height * 0x10000U);
3140 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
3142 int32_t width = av_rescale(track->par->sample_aspect_ratio.num, track->par->width,
3143 track->par->sample_aspect_ratio.den);
3145 int64_t pos = avio_tell(pb);
3147 avio_wb32(pb, 0); /* size */
3148 ffio_wfourcc(pb, "tapt");
3151 ffio_wfourcc(pb, "clef");
3153 avio_wb32(pb, width << 16);
3154 avio_wb32(pb, track->par->height << 16);
3157 ffio_wfourcc(pb, "prof");
3159 avio_wb32(pb, width << 16);
3160 avio_wb32(pb, track->par->height << 16);
3163 ffio_wfourcc(pb, "enof");
3165 avio_wb32(pb, track->par->width << 16);
3166 avio_wb32(pb, track->par->height << 16);
3168 return update_size(pb, pos);
3171 // This box seems important for the psp playback ... without it the movie seems to hang
3172 static int mov_write_edts_tag(AVIOContext *pb, MOVMuxContext *mov,
3175 int64_t duration = av_rescale_rnd(calc_samples_pts_duration(mov, track),
3176 MOV_TIMESCALE, track->timescale,
3178 int version = duration < INT32_MAX ? 0 : 1;
3179 int entry_size, entry_count, size;
3180 int64_t delay, start_ct = track->start_cts;
3181 int64_t start_dts = track->start_dts;
3184 if (start_dts != track->cluster[0].dts || start_ct != track->cluster[0].cts) {
3186 av_log(mov->fc, AV_LOG_DEBUG,
3187 "EDTS using dts:%"PRId64" cts:%d instead of dts:%"PRId64" cts:%"PRId64" tid:%d\n",
3188 track->cluster[0].dts, track->cluster[0].cts,
3189 start_dts, start_ct, track->track_id);
3190 start_dts = track->cluster[0].dts;
3191 start_ct = track->cluster[0].cts;
3195 delay = av_rescale_rnd(start_dts + start_ct, MOV_TIMESCALE,
3196 track->timescale, AV_ROUND_DOWN);
3197 version |= delay < INT32_MAX ? 0 : 1;
3199 entry_size = (version == 1) ? 20 : 12;
3200 entry_count = 1 + (delay > 0);
3201 size = 24 + entry_count * entry_size;
3203 /* write the atom data */
3204 avio_wb32(pb, size);
3205 ffio_wfourcc(pb, "edts");
3206 avio_wb32(pb, size - 8);
3207 ffio_wfourcc(pb, "elst");
3208 avio_w8(pb, version);
3209 avio_wb24(pb, 0); /* flags */
3211 avio_wb32(pb, entry_count);
3212 if (delay > 0) { /* add an empty edit to delay presentation */
3213 /* In the positive delay case, the delay includes the cts
3214 * offset, and the second edit list entry below trims out
3215 * the same amount from the actual content. This makes sure
3216 * that the offset last sample is included in the edit
3217 * list duration as well. */
3219 avio_wb64(pb, delay);
3222 avio_wb32(pb, delay);
3225 avio_wb32(pb, 0x00010000);
3227 /* Avoid accidentally ending up with start_ct = -1 which has got a
3228 * special meaning. Normally start_ct should end up positive or zero
3229 * here, but use FFMIN in case dts is a small positive integer
3230 * rounded to 0 when represented in MOV_TIMESCALE units. */
3231 av_assert0(av_rescale_rnd(start_dts, MOV_TIMESCALE, track->timescale, AV_ROUND_DOWN) <= 0);
3232 start_ct = -FFMIN(start_dts, 0);
3233 /* Note, this delay is calculated from the pts of the first sample,
3234 * ensuring that we don't reduce the duration for cases with
3239 /* For fragmented files, we don't know the full length yet. Setting
3240 * duration to 0 allows us to only specify the offset, including
3241 * the rest of the content (from all future fragments) without specifying
3242 * an explicit duration. */
3243 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
3248 avio_wb64(pb, duration);
3249 avio_wb64(pb, start_ct);
3251 avio_wb32(pb, duration);
3252 avio_wb32(pb, start_ct);
3254 avio_wb32(pb, 0x00010000);
3258 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
3260 avio_wb32(pb, 20); // size
3261 ffio_wfourcc(pb, "tref");
3262 avio_wb32(pb, 12); // size (subatom)
3263 avio_wl32(pb, track->tref_tag);
3264 avio_wb32(pb, track->tref_id);
3268 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
3269 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
3271 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
3272 ffio_wfourcc(pb, "uuid");
3273 ffio_wfourcc(pb, "USMT");
3274 avio_wb32(pb, 0x21d24fce);
3275 avio_wb32(pb, 0xbb88695c);
3276 avio_wb32(pb, 0xfac9c740);
3277 avio_wb32(pb, 0x1c); // another size here!
3278 ffio_wfourcc(pb, "MTDT");
3279 avio_wb32(pb, 0x00010012);
3280 avio_wb32(pb, 0x0a);
3281 avio_wb32(pb, 0x55c40000);
3287 static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
3289 AVFormatContext *ctx = track->rtp_ctx;
3290 char buf[1000] = "";
3293 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
3294 NULL, NULL, 0, 0, ctx);
3295 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
3298 avio_wb32(pb, len + 24);
3299 ffio_wfourcc(pb, "udta");
3300 avio_wb32(pb, len + 16);
3301 ffio_wfourcc(pb, "hnti");
3302 avio_wb32(pb, len + 8);
3303 ffio_wfourcc(pb, "sdp ");
3304 avio_write(pb, buf, len);
3308 static int mov_write_track_metadata(AVIOContext *pb, AVStream *st,
3309 const char *tag, const char *str)
3311 int64_t pos = avio_tell(pb);
3312 AVDictionaryEntry *t = av_dict_get(st->metadata, str, NULL, 0);
3313 if (!t || !utf8len(t->value))
3316 avio_wb32(pb, 0); /* size */
3317 ffio_wfourcc(pb, tag); /* type */
3318 avio_write(pb, t->value, strlen(t->value)); /* UTF8 string value */
3319 return update_size(pb, pos);
3322 static int mov_write_track_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
3325 AVIOContext *pb_buf;
3332 ret = avio_open_dyn_buf(&pb_buf);
3336 if (mov->mode & (MODE_MP4|MODE_MOV))
3337 mov_write_track_metadata(pb_buf, st, "name", "title");
3339 if ((size = avio_get_dyn_buf(pb_buf, &buf)) > 0) {
3340 avio_wb32(pb, size + 8);
3341 ffio_wfourcc(pb, "udta");
3342 avio_write(pb, buf, size);
3344 ffio_free_dyn_buf(&pb_buf);
3349 static int mov_write_trak_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov,
3350 MOVTrack *track, AVStream *st)
3352 int64_t pos = avio_tell(pb);
3353 int entry_backup = track->entry;
3354 int chunk_backup = track->chunkCount;
3357 /* If we want to have an empty moov, but some samples already have been
3358 * buffered (delay_moov), pretend that no samples have been written yet. */
3359 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV)
3360 track->chunkCount = track->entry = 0;
3362 avio_wb32(pb, 0); /* size */
3363 ffio_wfourcc(pb, "trak");
3364 mov_write_tkhd_tag(pb, mov, track, st);
3366 av_assert2(mov->use_editlist >= 0);
3368 if (track->start_dts != AV_NOPTS_VALUE) {
3369 if (mov->use_editlist)
3370 mov_write_edts_tag(pb, mov, track); // PSP Movies and several other cases require edts box
3371 else if ((track->entry && track->cluster[0].dts) || track->mode == MODE_PSP || is_clcp_track(track))
3372 av_log(mov->fc, AV_LOG_WARNING,
3373 "Not writing any edit list even though one would have been required\n");
3376 if (track->tref_tag)
3377 mov_write_tref_tag(pb, track);
3379 if ((ret = mov_write_mdia_tag(s, pb, mov, track)) < 0)
3381 if (track->mode == MODE_PSP)
3382 mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box
3383 if (track->tag == MKTAG('r','t','p',' '))
3384 mov_write_udta_sdp(pb, track);
3385 if (track->mode == MODE_MOV) {
3386 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
3387 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
3388 if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio) {
3389 mov_write_tapt_tag(pb, track);
3392 if (is_clcp_track(track) && st->sample_aspect_ratio.num) {
3393 mov_write_tapt_tag(pb, track);
3396 mov_write_track_udta_tag(pb, mov, st);
3397 track->entry = entry_backup;
3398 track->chunkCount = chunk_backup;
3399 return update_size(pb, pos);
3402 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
3404 int i, has_audio = 0, has_video = 0;
3405 int64_t pos = avio_tell(pb);
3406 int audio_profile = mov->iods_audio_profile;
3407 int video_profile = mov->iods_video_profile;
3408 for (i = 0; i < mov->nb_streams; i++) {
3409 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3410 has_audio |= mov->tracks[i].par->codec_type == AVMEDIA_TYPE_AUDIO;
3411 has_video |= mov->tracks[i].par->codec_type == AVMEDIA_TYPE_VIDEO;
3414 if (audio_profile < 0)
3415 audio_profile = 0xFF - has_audio;
3416 if (video_profile < 0)
3417 video_profile = 0xFF - has_video;
3418 avio_wb32(pb, 0x0); /* size */
3419 ffio_wfourcc(pb, "iods");
3420 avio_wb32(pb, 0); /* version & flags */
3421 put_descr(pb, 0x10, 7);
3422 avio_wb16(pb, 0x004f);
3425 avio_w8(pb, audio_profile);
3426 avio_w8(pb, video_profile);
3428 return update_size(pb, pos);
3431 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
3433 avio_wb32(pb, 0x20); /* size */
3434 ffio_wfourcc(pb, "trex");
3435 avio_wb32(pb, 0); /* version & flags */
3436 avio_wb32(pb, track->track_id); /* track ID */
3437 avio_wb32(pb, 1); /* default sample description index */
3438 avio_wb32(pb, 0); /* default sample duration */
3439 avio_wb32(pb, 0); /* default sample size */
3440 avio_wb32(pb, 0); /* default sample flags */
3444 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
3446 int64_t pos = avio_tell(pb);
3448 avio_wb32(pb, 0x0); /* size */
3449 ffio_wfourcc(pb, "mvex");
3450 for (i = 0; i < mov->nb_streams; i++)
3451 mov_write_trex_tag(pb, &mov->tracks[i]);
3452 return update_size(pb, pos);
3455 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
3457 int max_track_id = 1, i;
3458 int64_t max_track_len = 0;
3461 for (i = 0; i < mov->nb_streams; i++) {
3462 if (mov->tracks[i].entry > 0 && mov->tracks[i].timescale) {
3463 int64_t max_track_len_temp = av_rescale_rnd(
3464 calc_pts_duration(mov, &mov->tracks[i]),
3466 mov->tracks[i].timescale,
3468 if (max_track_len < max_track_len_temp)
3469 max_track_len = max_track_len_temp;
3470 if (max_track_id < mov->tracks[i].track_id)
3471 max_track_id = mov->tracks[i].track_id;
3474 /* If using delay_moov, make sure the output is the same as if no
3475 * samples had been written yet. */
3476 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3481 version = max_track_len < UINT32_MAX ? 0 : 1;
3482 avio_wb32(pb, version == 1 ? 120 : 108); /* size */
3484 ffio_wfourcc(pb, "mvhd");
3485 avio_w8(pb, version);
3486 avio_wb24(pb, 0); /* flags */
3488 avio_wb64(pb, mov->time);
3489 avio_wb64(pb, mov->time);
3491 avio_wb32(pb, mov->time); /* creation time */
3492 avio_wb32(pb, mov->time); /* modification time */
3494 avio_wb32(pb, MOV_TIMESCALE);
3495 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
3497 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
3498 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
3499 avio_wb16(pb, 0); /* reserved */
3500 avio_wb32(pb, 0); /* reserved */
3501 avio_wb32(pb, 0); /* reserved */
3503 /* Matrix structure */
3504 write_matrix(pb, 1, 0, 0, 1, 0, 0);
3506 avio_wb32(pb, 0); /* reserved (preview time) */
3507 avio_wb32(pb, 0); /* reserved (preview duration) */
3508 avio_wb32(pb, 0); /* reserved (poster time) */
3509 avio_wb32(pb, 0); /* reserved (selection time) */
3510 avio_wb32(pb, 0); /* reserved (selection duration) */
3511 avio_wb32(pb, 0); /* reserved (current time) */
3512 avio_wb32(pb, max_track_id + 1); /* Next track id */
3516 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
3519 avio_wb32(pb, 33); /* size */
3520 ffio_wfourcc(pb, "hdlr");
3523 ffio_wfourcc(pb, "mdir");
3524 ffio_wfourcc(pb, "appl");
3531 /* helper function to write a data tag with the specified string as data */
3532 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
3535 int size = 16 + strlen(data);
3536 avio_wb32(pb, size); /* size */
3537 ffio_wfourcc(pb, "data");
3540 avio_write(pb, data, strlen(data));
3544 lang = ff_mov_iso639_to_lang("und", 1);
3545 avio_wb16(pb, strlen(data)); /* string length */
3546 avio_wb16(pb, lang);
3547 avio_write(pb, data, strlen(data));
3548 return strlen(data) + 4;
3552 static int mov_write_string_tag(AVIOContext *pb, const char *name,
3553 const char *value, int lang, int long_style)
3556 if (value && value[0]) {
3557 int64_t pos = avio_tell(pb);
3558 avio_wb32(pb, 0); /* size */
3559 ffio_wfourcc(pb, name);
3560 mov_write_string_data_tag(pb, value, lang, long_style);
3561 size = update_size(pb, pos);
3566 static AVDictionaryEntry *get_metadata_lang(AVFormatContext *s,
3567 const char *tag, int *lang)
3570 AVDictionaryEntry *t, *t2 = NULL;
3575 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
3578 len = strlen(t->key);
3579 snprintf(tag2, sizeof(tag2), "%s-", tag);
3580 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
3581 len2 = strlen(t2->key);
3582 if (len2 == len + 4 && !strcmp(t->value, t2->value)
3583 && (l = ff_mov_iso639_to_lang(&t2->key[len2 - 3], 1)) >= 0) {
3591 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
3592 const char *name, const char *tag,
3596 AVDictionaryEntry *t = get_metadata_lang(s, tag, &lang);
3599 return mov_write_string_tag(pb, name, t->value, lang, long_style);
3602 /* iTunes bpm number */
3603 static int mov_write_tmpo_tag(AVIOContext *pb, AVFormatContext *s)
3605 AVDictionaryEntry *t = av_dict_get(s->metadata, "tmpo", NULL, 0);
3606 int size = 0, tmpo = t ? atoi(t->value) : 0;
3609 avio_wb32(pb, size);
3610 ffio_wfourcc(pb, "tmpo");
3611 avio_wb32(pb, size-8); /* size */
3612 ffio_wfourcc(pb, "data");
3613 avio_wb32(pb, 0x15); //type specifier
3615 avio_wb16(pb, tmpo); // data
3620 /* 3GPP TS 26.244 */
3621 static int mov_write_loci_tag(AVFormatContext *s, AVIOContext *pb)
3624 int64_t pos = avio_tell(pb);
3625 double latitude, longitude, altitude;
3626 int32_t latitude_fix, longitude_fix, altitude_fix;
3627 AVDictionaryEntry *t = get_metadata_lang(s, "location", &lang);
3628 const char *ptr, *place = "";
3630 static const char *astronomical_body = "earth";
3635 longitude = strtod(ptr, &end);
3637 av_log(s, AV_LOG_WARNING, "malformed location metadata\n");
3641 latitude = strtod(ptr, &end);
3643 av_log(s, AV_LOG_WARNING, "malformed location metadata\n");
3647 altitude = strtod(ptr, &end);
3648 /* If no altitude was present, the default 0 should be fine */
3652 latitude_fix = (int32_t) ((1 << 16) * latitude);
3653 longitude_fix = (int32_t) ((1 << 16) * longitude);
3654 altitude_fix = (int32_t) ((1 << 16) * altitude);
3656 avio_wb32(pb, 0); /* size */
3657 ffio_wfourcc(pb, "loci"); /* type */
3658 avio_wb32(pb, 0); /* version + flags */
3659 avio_wb16(pb, lang);
3660 avio_write(pb, place, strlen(place) + 1);
3661 avio_w8(pb, 0); /* role of place (0 == shooting location, 1 == real location, 2 == fictional location) */
3662 avio_wb32(pb, latitude_fix);
3663 avio_wb32(pb, longitude_fix);
3664 avio_wb32(pb, altitude_fix);
3665 avio_write(pb, astronomical_body, strlen(astronomical_body) + 1);
3666 avio_w8(pb, 0); /* additional notes, null terminated string */
3668 return update_size(pb, pos);
3671 /* iTunes track or disc number */
3672 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
3673 AVFormatContext *s, int disc)
3675 AVDictionaryEntry *t = av_dict_get(s->metadata,
3676 disc ? "disc" : "track",
3678 int size = 0, track = t ? atoi(t->value) : 0;
3681 char *slash = strchr(t->value, '/');
3683 tracks = atoi(slash + 1);
3684 avio_wb32(pb, 32); /* size */
3685 ffio_wfourcc(pb, disc ? "disk" : "trkn");
3686 avio_wb32(pb, 24); /* size */
3687 ffio_wfourcc(pb, "data");
3688 avio_wb32(pb, 0); // 8 bytes empty
3690 avio_wb16(pb, 0); // empty
3691 avio_wb16(pb, track); // track / disc number
3692 avio_wb16(pb, tracks); // total track / disc number
3693 avio_wb16(pb, 0); // empty
3699 static int mov_write_int8_metadata(AVFormatContext *s, AVIOContext *pb,
3700 const char *name, const char *tag,
3703 AVDictionaryEntry *t = NULL;
3705 int size = 24 + len;
3707 if (len != 1 && len != 4)
3710 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
3712 num = atoi(t->value);
3714 avio_wb32(pb, size);
3715 ffio_wfourcc(pb, name);
3716 avio_wb32(pb, size - 8);
3717 ffio_wfourcc(pb, "data");
3718 avio_wb32(pb, 0x15);
3720 if (len==4) avio_wb32(pb, num);
3721 else avio_w8 (pb, num);
3726 static int mov_write_covr(AVIOContext *pb, AVFormatContext *s)
3728 MOVMuxContext *mov = s->priv_data;
3732 for (i = 0; i < s->nb_streams; i++) {
3733 MOVTrack *trk = &mov->tracks[i];
3735 if (!is_cover_image(trk->st) || trk->cover_image.size <= 0)
3739 pos = avio_tell(pb);
3741 ffio_wfourcc(pb, "covr");
3743 avio_wb32(pb, 16 + trk->cover_image.size);
3744 ffio_wfourcc(pb, "data");
3745 avio_wb32(pb, trk->tag);
3747 avio_write(pb, trk->cover_image.data, trk->cover_image.size);
3750 return pos ? update_size(pb, pos) : 0;
3753 /* iTunes meta data list */
3754 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
3757 int64_t pos = avio_tell(pb);
3758 avio_wb32(pb, 0); /* size */
3759 ffio_wfourcc(pb, "ilst");
3760 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
3761 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
3762 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
3763 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
3764 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
3765 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
3766 if (!mov_write_string_metadata(s, pb, "\251too", "encoding_tool", 1)) {
3767 if (!(s->flags & AVFMT_FLAG_BITEXACT))
3768 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
3770 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
3771 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
3772 mov_write_string_metadata(s, pb, "cprt", "copyright", 1);
3773 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
3774 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
3775 mov_write_string_metadata(s, pb, "desc", "description",1);
3776 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
3777 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
3778 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
3779 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
3780 mov_write_string_metadata(s, pb, "keyw", "keywords" , 1);
3781 mov_write_int8_metadata (s, pb, "tves", "episode_sort",4);
3782 mov_write_int8_metadata (s, pb, "tvsn", "season_number",4);
3783 mov_write_int8_metadata (s, pb, "stik", "media_type",1);
3784 mov_write_int8_metadata (s, pb, "hdvd", "hd_video", 1);
3785 mov_write_int8_metadata (s, pb, "pgap", "gapless_playback",1);
3786 mov_write_int8_metadata (s, pb, "cpil", "compilation", 1);
3787 mov_write_covr(pb, s);
3788 mov_write_trkn_tag(pb, mov, s, 0); // track number
3789 mov_write_trkn_tag(pb, mov, s, 1); // disc number
3790 mov_write_tmpo_tag(pb, s);
3791 return update_size(pb, pos);
3794 static int mov_write_mdta_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
3797 avio_wb32(pb, 33); /* size */
3798 ffio_wfourcc(pb, "hdlr");
3801 ffio_wfourcc(pb, "mdta");
3809 static int mov_write_mdta_keys_tag(AVIOContext *pb, MOVMuxContext *mov,
3812 AVDictionaryEntry *t = NULL;
3813 int64_t pos = avio_tell(pb);
3814 int64_t curpos, entry_pos;
3817 avio_wb32(pb, 0); /* size */
3818 ffio_wfourcc(pb, "keys");
3820 entry_pos = avio_tell(pb);
3821 avio_wb32(pb, 0); /* entry count */
3823 while (t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX)) {
3824 avio_wb32(pb, strlen(t->key) + 8);
3825 ffio_wfourcc(pb, "mdta");
3826 avio_write(pb, t->key, strlen(t->key));
3829 curpos = avio_tell(pb);
3830 avio_seek(pb, entry_pos, SEEK_SET);
3831 avio_wb32(pb, count); // rewrite entry count
3832 avio_seek(pb, curpos, SEEK_SET);
3834 return update_size(pb, pos);
3837 static int mov_write_mdta_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
3840 AVDictionaryEntry *t = NULL;
3841 int64_t pos = avio_tell(pb);
3842 int count = 1; /* keys are 1-index based */
3844 avio_wb32(pb, 0); /* size */
3845 ffio_wfourcc(pb, "ilst");
3847 while (t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX)) {
3848 int64_t entry_pos = avio_tell(pb);
3849 avio_wb32(pb, 0); /* size */
3850 avio_wb32(pb, count); /* key */
3851 mov_write_string_data_tag(pb, t->value, 0, 1);
3852 update_size(pb, entry_pos);
3855 return update_size(pb, pos);
3858 /* meta data tags */
3859 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
3863 int64_t pos = avio_tell(pb);
3864 avio_wb32(pb, 0); /* size */
3865 ffio_wfourcc(pb, "meta");
3867 if (mov->flags & FF_MOV_FLAG_USE_MDTA) {
3868 mov_write_mdta_hdlr_tag(pb, mov, s);
3869 mov_write_mdta_keys_tag(pb, mov, s);
3870 mov_write_mdta_ilst_tag(pb, mov, s);
3873 /* iTunes metadata tag */
3874 mov_write_itunes_hdlr_tag(pb, mov, s);
3875 mov_write_ilst_tag(pb, mov, s);
3877 size = update_size(pb, pos);
3881 static int mov_write_raw_metadata_tag(AVFormatContext *s, AVIOContext *pb,
3882 const char *name, const char *key)
3885 AVDictionaryEntry *t;
3887 if (!(t = av_dict_get(s->metadata, key, NULL, 0)))
3890 len = strlen(t->value);
3893 avio_wb32(pb, size);
3894 ffio_wfourcc(pb, name);
3895 avio_write(pb, t->value, len);
3901 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
3905 GET_UTF8(val, *b++, return -1;)
3908 avio_wb16(pb, 0x00);
3912 static uint16_t language_code(const char *str)
3914 return (((str[0] - 0x60) & 0x1F) << 10) +
3915 (((str[1] - 0x60) & 0x1F) << 5) +
3916 (( str[2] - 0x60) & 0x1F);
3919 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
3920 const char *tag, const char *str)
3922 int64_t pos = avio_tell(pb);
3923 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
3924 if (!t || !utf8len(t->value))
3926 avio_wb32(pb, 0); /* size */
3927 ffio_wfourcc(pb, tag); /* type */
3928 avio_wb32(pb, 0); /* version + flags */
3929 if (!strcmp(tag, "yrrc"))
3930 avio_wb16(pb, atoi(t->value));
3932 avio_wb16(pb, language_code("eng")); /* language */
3933 avio_write(pb, t->value, strlen(t->value) + 1); /* UTF8 string value */
3934 if (!strcmp(tag, "albm") &&
3935 (t = av_dict_get(s->metadata, "track", NULL, 0)))
3936 avio_w8(pb, atoi(t->value));
3938 return update_size(pb, pos);
3941 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
3943 int64_t pos = avio_tell(pb);
3944 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
3946 avio_wb32(pb, 0); // size
3947 ffio_wfourcc(pb, "chpl");
3948 avio_wb32(pb, 0x01000000); // version + flags
3949 avio_wb32(pb, 0); // unknown
3950 avio_w8(pb, nb_chapters);
3952 for (i = 0; i < nb_chapters; i++) {
3953 AVChapter *c = s->chapters[i];
3954 AVDictionaryEntry *t;
3955 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
3957 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3958 int len = FFMIN(strlen(t->value), 255);
3960 avio_write(pb, t->value, len);
3964 return update_size(pb, pos);
3967 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
3970 AVIOContext *pb_buf;
3974 ret = avio_open_dyn_buf(&pb_buf);
3978 if (mov->mode & MODE_3GP) {
3979 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
3980 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
3981 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
3982 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
3983 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
3984 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
3985 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
3986 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
3987 mov_write_loci_tag(s, pb_buf);
3988 } 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
3989 mov_write_string_metadata(s, pb_buf, "\251ART", "artist", 0);
3990 mov_write_string_metadata(s, pb_buf, "\251nam", "title", 0);
3991 mov_write_string_metadata(s, pb_buf, "\251aut", "author", 0);
3992 mov_write_string_metadata(s, pb_buf, "\251alb", "album", 0);
3993 mov_write_string_metadata(s, pb_buf, "\251day", "date", 0);
3994 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder", 0);
3995 // currently ignored by mov.c
3996 mov_write_string_metadata(s, pb_buf, "\251des", "comment", 0);
3997 // add support for libquicktime, this atom is also actually read by mov.c
3998 mov_write_string_metadata(s, pb_buf, "\251cmt", "comment", 0);
3999 mov_write_string_metadata(s, pb_buf, "\251gen", "genre", 0);
4000 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright", 0);
4001 mov_write_string_metadata(s, pb_buf, "\251mak", "make", 0);
4002 mov_write_string_metadata(s, pb_buf, "\251mod", "model", 0);
4003 mov_write_string_metadata(s, pb_buf, "\251xyz", "location", 0);
4004 mov_write_string_metadata(s, pb_buf, "\251key", "keywords", 0);
4005 mov_write_raw_metadata_tag(s, pb_buf, "XMP_", "xmp");
4007 /* iTunes meta data */
4008 mov_write_meta_tag(pb_buf, mov, s);
4009 mov_write_loci_tag(s, pb_buf);
4012 if (s->nb_chapters && !(mov->flags & FF_MOV_FLAG_DISABLE_CHPL))
4013 mov_write_chpl_tag(pb_buf, s);
4015 if ((size = avio_get_dyn_buf(pb_buf, &buf)) > 0) {
4016 avio_wb32(pb, size + 8);
4017 ffio_wfourcc(pb, "udta");
4018 avio_write(pb, buf, size);
4020 ffio_free_dyn_buf(&pb_buf);
4025 static void mov_write_psp_udta_tag(AVIOContext *pb,
4026 const char *str, const char *lang, int type)
4028 int len = utf8len(str) + 1;
4031 avio_wb16(pb, len * 2 + 10); /* size */
4032 avio_wb32(pb, type); /* type */
4033 avio_wb16(pb, language_code(lang)); /* language */
4034 avio_wb16(pb, 0x01); /* ? */
4035 ascii_to_wc(pb, str);
4038 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
4040 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
4044 pos = avio_tell(pb);
4045 avio_wb32(pb, 0); /* size placeholder*/
4046 ffio_wfourcc(pb, "uuid");
4047 ffio_wfourcc(pb, "USMT");
4048 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
4049 avio_wb32(pb, 0xbb88695c);
4050 avio_wb32(pb, 0xfac9c740);
4052 pos2 = avio_tell(pb);
4053 avio_wb32(pb, 0); /* size placeholder*/
4054 ffio_wfourcc(pb, "MTDT");
4058 avio_wb16(pb, 0x0C); /* size */
4059 avio_wb32(pb, 0x0B); /* type */
4060 avio_wb16(pb, language_code("und")); /* language */
4061 avio_wb16(pb, 0x0); /* ? */
4062 avio_wb16(pb, 0x021C); /* data */
4064 if (!(s->flags & AVFMT_FLAG_BITEXACT))
4065 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
4066 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
4067 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
4069 update_size(pb, pos2);
4070 return update_size(pb, pos);
4076 static void build_chunks(MOVTrack *trk)
4079 MOVIentry *chunk = &trk->cluster[0];
4080 uint64_t chunkSize = chunk->size;
4081 chunk->chunkNum = 1;
4082 if (trk->chunkCount)
4084 trk->chunkCount = 1;
4085 for (i = 1; i<trk->entry; i++){
4086 if (chunk->pos + chunkSize == trk->cluster[i].pos &&
4087 chunkSize + trk->cluster[i].size < (1<<20)){
4088 chunkSize += trk->cluster[i].size;
4089 chunk->samples_in_chunk += trk->cluster[i].entries;
4091 trk->cluster[i].chunkNum = chunk->chunkNum+1;
4092 chunk=&trk->cluster[i];
4093 chunkSize = chunk->size;
4100 * Assign track ids. If option "use_stream_ids_as_track_ids" is set,
4101 * the stream ids are used as track ids.
4103 * This assumes mov->tracks and s->streams are in the same order and
4104 * there are no gaps in either of them (so mov->tracks[n] refers to
4107 * As an exception, there can be more entries in
4108 * s->streams than in mov->tracks, in which case new track ids are
4109 * generated (starting after the largest found stream id).
4111 static int mov_setup_track_ids(MOVMuxContext *mov, AVFormatContext *s)
4115 if (mov->track_ids_ok)
4118 if (mov->use_stream_ids_as_track_ids) {
4119 int next_generated_track_id = 0;
4120 for (i = 0; i < s->nb_streams; i++) {
4121 if (s->streams[i]->id > next_generated_track_id)
4122 next_generated_track_id = s->streams[i]->id;
4125 for (i = 0; i < mov->nb_streams; i++) {
4126 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
4129 mov->tracks[i].track_id = i >= s->nb_streams ? ++next_generated_track_id : s->streams[i]->id;
4132 for (i = 0; i < mov->nb_streams; i++) {
4133 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
4136 mov->tracks[i].track_id = i + 1;
4140 mov->track_ids_ok = 1;
4145 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
4149 int64_t pos = avio_tell(pb);
4150 avio_wb32(pb, 0); /* size placeholder*/
4151 ffio_wfourcc(pb, "moov");
4153 mov_setup_track_ids(mov, s);
4155 for (i = 0; i < mov->nb_streams; i++) {
4156 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
4159 mov->tracks[i].time = mov->time;
4161 if (mov->tracks[i].entry)
4162 build_chunks(&mov->tracks[i]);
4165 if (mov->chapter_track)
4166 for (i = 0; i < s->nb_streams; i++) {
4167 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
4168 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
4170 for (i = 0; i < mov->nb_streams; i++) {
4171 MOVTrack *track = &mov->tracks[i];
4172 if (track->tag == MKTAG('r','t','p',' ')) {
4173 track->tref_tag = MKTAG('h','i','n','t');
4174 track->tref_id = mov->tracks[track->src_track].track_id;
4175 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
4176 int * fallback, size;
4177 fallback = (int*)av_stream_get_side_data(track->st,
4178 AV_PKT_DATA_FALLBACK_TRACK,
4180 if (fallback != NULL && size == sizeof(int)) {
4181 if (*fallback >= 0 && *fallback < mov->nb_streams) {
4182 track->tref_tag = MKTAG('f','a','l','l');
4183 track->tref_id = mov->tracks[*fallback].track_id;
4188 for (i = 0; i < mov->nb_streams; i++) {
4189 if (mov->tracks[i].tag == MKTAG('t','m','c','d')) {
4190 int src_trk = mov->tracks[i].src_track;
4191 mov->tracks[src_trk].tref_tag = mov->tracks[i].tag;
4192 mov->tracks[src_trk].tref_id = mov->tracks[i].track_id;
4193 //src_trk may have a different timescale than the tmcd track
4194 mov->tracks[i].track_duration = av_rescale(mov->tracks[src_trk].track_duration,
4195 mov->tracks[i].timescale,
4196 mov->tracks[src_trk].timescale);
4200 mov_write_mvhd_tag(pb, mov);
4201 if (mov->mode != MODE_MOV && !mov->iods_skip)
4202 mov_write_iods_tag(pb, mov);
4203 for (i = 0; i < mov->nb_streams; i++) {
4204 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
4205 int ret = mov_write_trak_tag(s, pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
4210 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
4211 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
4213 if (mov->mode == MODE_PSP)
4214 mov_write_uuidusmt_tag(pb, s);
4216 mov_write_udta_tag(pb, mov, s);
4218 return update_size(pb, pos);
4221 static void param_write_int(AVIOContext *pb, const char *name, int value)
4223 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
4226 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
4228 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
4231 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
4234 len = FFMIN(sizeof(buf) / 2 - 1, len);
4235 ff_data_to_hex(buf, value, len, 0);
4236 buf[2 * len] = '\0';
4237 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
4240 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov, AVFormatContext *s)
4242 int64_t pos = avio_tell(pb);
4245 static const uint8_t uuid[] = {
4246 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
4247 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
4251 ffio_wfourcc(pb, "uuid");
4252 avio_write(pb, uuid, sizeof(uuid));
4255 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
4256 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
4257 avio_printf(pb, "<head>\n");
4258 if (!(mov->fc->flags & AVFMT_FLAG_BITEXACT))
4259 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
4261 avio_printf(pb, "</head>\n");
4262 avio_printf(pb, "<body>\n");
4263 avio_printf(pb, "<switch>\n");
4265 mov_setup_track_ids(mov, s);
4267 for (i = 0; i < mov->nb_streams; i++) {
4268 MOVTrack *track = &mov->tracks[i];
4269 struct mpeg4_bit_rate_values bit_rates =
4270 calculate_mpeg4_bit_rates(track);
4272 int track_id = track->track_id;
4273 char track_name_buf[32] = { 0 };
4275 AVStream *st = track->st;
4276 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
4278 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO && !is_cover_image(st)) {
4280 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
4286 avio_printf(pb, "<%s systemBitrate=\"%"PRIu32"\">\n", type,
4287 bit_rates.avg_bit_rate);
4288 param_write_int(pb, "systemBitrate", bit_rates.avg_bit_rate);
4289 param_write_int(pb, "trackID", track_id);
4290 param_write_string(pb, "systemLanguage", lang ? lang->value : "und");
4292 /* Build track name piece by piece: */
4294 av_strlcat(track_name_buf, type, sizeof(track_name_buf));
4295 /* 2. track language, if available */
4297 av_strlcatf(track_name_buf, sizeof(track_name_buf),
4298 "_%s", lang->value);
4299 /* 3. special type suffix */
4300 /* "_cc" = closed captions, "_ad" = audio_description */
4301 if (st->disposition & AV_DISPOSITION_HEARING_IMPAIRED)
4302 av_strlcat(track_name_buf, "_cc", sizeof(track_name_buf));
4303 else if (st->disposition & AV_DISPOSITION_VISUAL_IMPAIRED)
4304 av_strlcat(track_name_buf, "_ad", sizeof(track_name_buf));
4306 param_write_string(pb, "trackName", track_name_buf);
4308 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
4309 if (track->par->codec_id == AV_CODEC_ID_H264) {
4311 int size = track->par->extradata_size;
4312 if (!ff_avc_write_annexb_extradata(track->par->extradata, &ptr,
4314 param_write_hex(pb, "CodecPrivateData",
4315 ptr ? ptr : track->par->extradata,
4319 param_write_string(pb, "FourCC", "H264");
4320 } else if (track->par->codec_id == AV_CODEC_ID_VC1) {
4321 param_write_string(pb, "FourCC", "WVC1");
4322 param_write_hex(pb, "CodecPrivateData", track->par->extradata,
4323 track->par->extradata_size);
4325 param_write_int(pb, "MaxWidth", track->par->width);
4326 param_write_int(pb, "MaxHeight", track->par->height);
4327 param_write_int(pb, "DisplayWidth", track->par->width);
4328 param_write_int(pb, "DisplayHeight", track->par->height);
4330 if (track->par->codec_id == AV_CODEC_ID_AAC) {
4331 switch (track->par->profile)
4333 case FF_PROFILE_AAC_HE_V2:
4334 param_write_string(pb, "FourCC", "AACP");
4336 case FF_PROFILE_AAC_HE:
4337 param_write_string(pb, "FourCC", "AACH");
4340 param_write_string(pb, "FourCC", "AACL");
4342 } else if (track->par->codec_id == AV_CODEC_ID_WMAPRO) {
4343 param_write_string(pb, "FourCC", "WMAP");
4345 param_write_hex(pb, "CodecPrivateData", track->par->extradata,
4346 track->par->extradata_size);
4347 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
4348 track->par->codec_id));
4349 param_write_int(pb, "Channels", track->par->channels);
4350 param_write_int(pb, "SamplingRate", track->par->sample_rate);
4351 param_write_int(pb, "BitsPerSample", 16);
4352 param_write_int(pb, "PacketSize", track->par->block_align ?
4353 track->par->block_align : 4);
4355 avio_printf(pb, "</%s>\n", type);
4357 avio_printf(pb, "</switch>\n");
4358 avio_printf(pb, "</body>\n");
4359 avio_printf(pb, "</smil>\n");
4361 return update_size(pb, pos);
4364 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
4367 ffio_wfourcc(pb, "mfhd");
4369 avio_wb32(pb, mov->fragments);
4373 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
4375 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
4376 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
4379 static int mov_write_tfhd_tag(AVIOContext *pb, MOVMuxContext *mov,
4380 MOVTrack *track, int64_t moof_offset)
4382 int64_t pos = avio_tell(pb);
4383 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
4384 MOV_TFHD_BASE_DATA_OFFSET;
4385 if (!track->entry) {
4386 flags |= MOV_TFHD_DURATION_IS_EMPTY;
4388 flags |= MOV_TFHD_DEFAULT_FLAGS;
4390 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET)
4391 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
4392 if (mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) {
4393 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
4394 flags |= MOV_TFHD_DEFAULT_BASE_IS_MOOF;
4396 /* CMAF requires all values to be explicit in tfhd atoms */
4397 if (mov->flags & FF_MOV_FLAG_CMAF)
4398 flags |= MOV_TFHD_STSD_ID;
4400 /* Don't set a default sample size, the silverlight player refuses
4401 * to play files with that set. Don't set a default sample duration,
4402 * WMP freaks out if it is set. Don't set a base data offset, PIFF
4403 * file format says it MUST NOT be set. */
4404 if (track->mode == MODE_ISM)
4405 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
4406 MOV_TFHD_BASE_DATA_OFFSET | MOV_TFHD_STSD_ID);
4408 avio_wb32(pb, 0); /* size placeholder */
4409 ffio_wfourcc(pb, "tfhd");
4410 avio_w8(pb, 0); /* version */
4411 avio_wb24(pb, flags);
4413 avio_wb32(pb, track->track_id); /* track-id */
4414 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
4415 avio_wb64(pb, moof_offset);
4416 if (flags & MOV_TFHD_STSD_ID) {
4419 if (flags & MOV_TFHD_DEFAULT_DURATION) {
4420 track->default_duration = get_cluster_duration(track, 0);
4421 avio_wb32(pb, track->default_duration);
4423 if (flags & MOV_TFHD_DEFAULT_SIZE) {
4424 track->default_size = track->entry ? track->cluster[0].size : 1;
4425 avio_wb32(pb, track->default_size);
4427 track->default_size = -1;
4429 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
4430 /* Set the default flags based on the second sample, if available.
4431 * If the first sample is different, that can be signaled via a separate field. */
4432 if (track->entry > 1)
4433 track->default_sample_flags = get_sample_flags(track, &track->cluster[1]);
4435 track->default_sample_flags =
4436 track->par->codec_type == AVMEDIA_TYPE_VIDEO ?
4437 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
4438 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
4439 avio_wb32(pb, track->default_sample_flags);
4442 return update_size(pb, pos);
4445 static int mov_write_trun_tag(AVIOContext *pb, MOVMuxContext *mov,
4446 MOVTrack *track, int moof_size,
4449 int64_t pos = avio_tell(pb);
4450 uint32_t flags = MOV_TRUN_DATA_OFFSET;
4453 for (i = first; i < end; i++) {
4454 if (get_cluster_duration(track, i) != track->default_duration)
4455 flags |= MOV_TRUN_SAMPLE_DURATION;
4456 if (track->cluster[i].size != track->default_size)
4457 flags |= MOV_TRUN_SAMPLE_SIZE;
4458 if (i > first && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
4459 flags |= MOV_TRUN_SAMPLE_FLAGS;
4461 if (!(flags & MOV_TRUN_SAMPLE_FLAGS) && track->entry > 0 &&
4462 get_sample_flags(track, &track->cluster[0]) != track->default_sample_flags)
4463 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
4464 if (track->flags & MOV_TRACK_CTTS)
4465 flags |= MOV_TRUN_SAMPLE_CTS;
4467 avio_wb32(pb, 0); /* size placeholder */
4468 ffio_wfourcc(pb, "trun");
4469 if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4470 avio_w8(pb, 1); /* version */
4472 avio_w8(pb, 0); /* version */
4473 avio_wb24(pb, flags);
4475 avio_wb32(pb, end - first); /* sample count */
4476 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
4477 !(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) &&
4479 avio_wb32(pb, 0); /* Later tracks follow immediately after the previous one */
4481 avio_wb32(pb, moof_size + 8 + track->data_offset +
4482 track->cluster[first].pos); /* data offset */
4483 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
4484 avio_wb32(pb, get_sample_flags(track, &track->cluster[first]));
4486 for (i = first; i < end; i++) {
4487 if (flags & MOV_TRUN_SAMPLE_DURATION)
4488 avio_wb32(pb, get_cluster_duration(track, i));
4489 if (flags & MOV_TRUN_SAMPLE_SIZE)
4490 avio_wb32(pb, track->cluster[i].size);
4491 if (flags & MOV_TRUN_SAMPLE_FLAGS)
4492 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
4493 if (flags & MOV_TRUN_SAMPLE_CTS)
4494 avio_wb32(pb, track->cluster[i].cts);
4497 mov->first_trun = 0;
4498 return update_size(pb, pos);
4501 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
4503 int64_t pos = avio_tell(pb);
4504 static const uint8_t uuid[] = {
4505 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
4506 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
4509 avio_wb32(pb, 0); /* size placeholder */
4510 ffio_wfourcc(pb, "uuid");
4511 avio_write(pb, uuid, sizeof(uuid));
4514 avio_wb64(pb, track->start_dts + track->frag_start +
4515 track->cluster[0].cts);
4516 avio_wb64(pb, track->end_pts -
4517 (track->cluster[0].dts + track->cluster[0].cts));
4519 return update_size(pb, pos);
4522 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
4523 MOVTrack *track, int entry)
4525 int n = track->nb_frag_info - 1 - entry, i;
4526 int size = 8 + 16 + 4 + 1 + 16*n;
4527 static const uint8_t uuid[] = {
4528 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
4529 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
4535 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
4536 avio_wb32(pb, size);
4537 ffio_wfourcc(pb, "uuid");
4538 avio_write(pb, uuid, sizeof(uuid));
4542 for (i = 0; i < n; i++) {
4543 int index = entry + 1 + i;
4544 avio_wb64(pb, track->frag_info[index].time);
4545 avio_wb64(pb, track->frag_info[index].duration);
4547 if (n < mov->ism_lookahead) {
4548 int free_size = 16 * (mov->ism_lookahead - n);
4549 avio_wb32(pb, free_size);
4550 ffio_wfourcc(pb, "free");
4551 ffio_fill(pb, 0, free_size - 8);
4557 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
4560 int64_t pos = avio_tell(pb);
4562 for (i = 0; i < mov->ism_lookahead; i++) {
4563 /* Update the tfrf tag for the last ism_lookahead fragments,
4564 * nb_frag_info - 1 is the next fragment to be written. */
4565 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
4567 avio_seek(pb, pos, SEEK_SET);
4571 static int mov_add_tfra_entries(AVIOContext *pb, MOVMuxContext *mov, int tracks,
4575 for (i = 0; i < mov->nb_streams; i++) {
4576 MOVTrack *track = &mov->tracks[i];
4577 MOVFragmentInfo *info;
4578 if ((tracks >= 0 && i != tracks) || !track->entry)
4580 track->nb_frag_info++;
4581 if (track->nb_frag_info >= track->frag_info_capacity) {
4582 unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT;
4583 if (av_reallocp_array(&track->frag_info,
4585 sizeof(*track->frag_info)))
4586 return AVERROR(ENOMEM);
4587 track->frag_info_capacity = new_capacity;
4589 info = &track->frag_info[track->nb_frag_info - 1];
4590 info->offset = avio_tell(pb);
4592 // Try to recreate the original pts for the first packet
4593 // from the fields we have stored
4594 info->time = track->start_dts + track->frag_start +
4595 track->cluster[0].cts;
4596 info->duration = track->end_pts -
4597 (track->cluster[0].dts + track->cluster[0].cts);
4598 // If the pts is less than zero, we will have trimmed
4599 // away parts of the media track using an edit list,
4600 // and the corresponding start presentation time is zero.
4601 if (info->time < 0) {
4602 info->duration += info->time;
4605 info->tfrf_offset = 0;
4606 mov_write_tfrf_tags(pb, mov, track);
4611 static void mov_prune_frag_info(MOVMuxContext *mov, int tracks, int max)
4614 for (i = 0; i < mov->nb_streams; i++) {
4615 MOVTrack *track = &mov->tracks[i];
4616 if ((tracks >= 0 && i != tracks) || !track->entry)
4618 if (track->nb_frag_info > max) {
4619 memmove(track->frag_info, track->frag_info + (track->nb_frag_info - max), max * sizeof(*track->frag_info));
4620 track->nb_frag_info = max;
4625 static int mov_write_tfdt_tag(AVIOContext *pb, MOVTrack *track)
4627 int64_t pos = avio_tell(pb);
4629 avio_wb32(pb, 0); /* size */
4630 ffio_wfourcc(pb, "tfdt");
4631 avio_w8(pb, 1); /* version */
4633 avio_wb64(pb, track->frag_start);
4634 return update_size(pb, pos);
4637 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
4638 MOVTrack *track, int64_t moof_offset,
4641 int64_t pos = avio_tell(pb);
4643 avio_wb32(pb, 0); /* size placeholder */
4644 ffio_wfourcc(pb, "traf");
4646 mov_write_tfhd_tag(pb, mov, track, moof_offset);
4647 if (mov->mode != MODE_ISM)
4648 mov_write_tfdt_tag(pb, track);
4649 for (i = 1; i < track->entry; i++) {
4650 if (track->cluster[i].pos != track->cluster[i - 1].pos + track->cluster[i - 1].size) {
4651 mov_write_trun_tag(pb, mov, track, moof_size, start, i);
4655 mov_write_trun_tag(pb, mov, track, moof_size, start, track->entry);
4656 if (mov->mode == MODE_ISM) {
4657 mov_write_tfxd_tag(pb, track);
4659 if (mov->ism_lookahead) {
4660 int i, size = 16 + 4 + 1 + 16 * mov->ism_lookahead;
4662 if (track->nb_frag_info > 0) {
4663 MOVFragmentInfo *info = &track->frag_info[track->nb_frag_info - 1];
4664 if (!info->tfrf_offset)
4665 info->tfrf_offset = avio_tell(pb);
4667 avio_wb32(pb, 8 + size);
4668 ffio_wfourcc(pb, "free");
4669 for (i = 0; i < size; i++)
4674 return update_size(pb, pos);
4677 static int mov_write_moof_tag_internal(AVIOContext *pb, MOVMuxContext *mov,
4678 int tracks, int moof_size)
4680 int64_t pos = avio_tell(pb);
4683 avio_wb32(pb, 0); /* size placeholder */
4684 ffio_wfourcc(pb, "moof");
4685 mov->first_trun = 1;
4687 mov_write_mfhd_tag(pb, mov);
4688 for (i = 0; i < mov->nb_streams; i++) {
4689 MOVTrack *track = &mov->tracks[i];
4690 if (tracks >= 0 && i != tracks)
4694 mov_write_traf_tag(pb, mov, track, pos, moof_size);
4697 return update_size(pb, pos);
4700 static int mov_write_sidx_tag(AVIOContext *pb,
4701 MOVTrack *track, int ref_size, int total_sidx_size)
4703 int64_t pos = avio_tell(pb), offset_pos, end_pos;
4704 int64_t presentation_time, duration, offset;
4705 unsigned starts_with_SAP;
4710 presentation_time = track->start_dts + track->frag_start +
4711 track->cluster[0].cts;
4712 duration = track->end_pts -
4713 (track->cluster[0].dts + track->cluster[0].cts);
4714 starts_with_SAP = track->cluster[0].flags & MOV_SYNC_SAMPLE;
4716 // pts<0 should be cut away using edts
4717 if (presentation_time < 0) {
4718 duration += presentation_time;
4719 presentation_time = 0;
4722 entries = track->nb_frag_info;
4725 presentation_time = track->frag_info[0].time;
4728 avio_wb32(pb, 0); /* size */
4729 ffio_wfourcc(pb, "sidx");
4730 avio_w8(pb, 1); /* version */
4732 avio_wb32(pb, track->track_id); /* reference_ID */
4733 avio_wb32(pb, track->timescale); /* timescale */
4734 avio_wb64(pb, presentation_time); /* earliest_presentation_time */
4735 offset_pos = avio_tell(pb);
4736 avio_wb64(pb, 0); /* first_offset (offset to referenced moof) */
4737 avio_wb16(pb, 0); /* reserved */
4739 avio_wb16(pb, entries); /* reference_count */
4740 for (i = 0; i < entries; i++) {
4741 if (!track->entry) {
4742 if (i > 1 && track->frag_info[i].offset != track->frag_info[i - 1].offset + track->frag_info[i - 1].size) {
4743 av_log(NULL, AV_LOG_ERROR, "Non-consecutive fragments, writing incorrect sidx\n");
4745 duration = track->frag_info[i].duration;
4746 ref_size = track->frag_info[i].size;
4747 starts_with_SAP = 1;
4749 avio_wb32(pb, (0 << 31) | (ref_size & 0x7fffffff)); /* reference_type (0 = media) | referenced_size */
4750 avio_wb32(pb, duration); /* subsegment_duration */
4751 avio_wb32(pb, (starts_with_SAP << 31) | (0 << 28) | 0); /* starts_with_SAP | SAP_type | SAP_delta_time */
4754 end_pos = avio_tell(pb);
4755 offset = pos + total_sidx_size - end_pos;
4756 avio_seek(pb, offset_pos, SEEK_SET);
4757 avio_wb64(pb, offset);
4758 avio_seek(pb, end_pos, SEEK_SET);
4759 return update_size(pb, pos);
4762 static int mov_write_sidx_tags(AVIOContext *pb, MOVMuxContext *mov,
4763 int tracks, int ref_size)
4766 AVIOContext *avio_buf;
4768 for (round = 0; round < 2; round++) {
4769 // First run one round to calculate the total size of all
4771 // This would be much simpler if we'd only write one sidx
4772 // atom, for the first track in the moof.
4774 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
4779 for (i = 0; i < mov->nb_streams; i++) {
4780 MOVTrack *track = &mov->tracks[i];
4781 if (tracks >= 0 && i != tracks)
4783 // When writing a sidx for the full file, entry is 0, but
4784 // we want to include all tracks. ref_size is 0 in this case,
4785 // since we read it from frag_info instead.
4786 if (!track->entry && ref_size > 0)
4788 total_size -= mov_write_sidx_tag(avio_buf, track, ref_size,
4792 total_size = ffio_close_null_buf(avio_buf);
4797 static int mov_write_prft_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
4799 int64_t pos = avio_tell(pb), pts_us, ntp_ts;
4800 MOVTrack *first_track;
4803 /* PRFT should be associated with at most one track. So, choosing only the
4807 first_track = &(mov->tracks[0]);
4809 if (!first_track->entry) {
4810 av_log(mov->fc, AV_LOG_WARNING, "Unable to write PRFT, no entries in the track\n");
4814 if (first_track->cluster[0].pts == AV_NOPTS_VALUE) {
4815 av_log(mov->fc, AV_LOG_WARNING, "Unable to write PRFT, first PTS is invalid\n");
4819 if (mov->write_prft == MOV_PRFT_SRC_WALLCLOCK) {
4820 if (first_track->cluster[0].prft.wallclock) {
4821 /* Round the NTP time to whole milliseconds. */
4822 ntp_ts = ff_get_formatted_ntp_time((first_track->cluster[0].prft.wallclock / 1000) * 1000 +
4824 flags = first_track->cluster[0].prft.flags;
4826 ntp_ts = ff_get_formatted_ntp_time(ff_ntp_time());
4827 } else if (mov->write_prft == MOV_PRFT_SRC_PTS) {
4828 pts_us = av_rescale_q(first_track->cluster[0].pts,
4829 first_track->st->time_base, AV_TIME_BASE_Q);
4830 ntp_ts = ff_get_formatted_ntp_time(pts_us + NTP_OFFSET_US);
4832 av_log(mov->fc, AV_LOG_WARNING, "Unsupported PRFT box configuration: %d\n",
4837 avio_wb32(pb, 0); // Size place holder
4838 ffio_wfourcc(pb, "prft"); // Type
4839 avio_w8(pb, 1); // Version
4840 avio_wb24(pb, flags); // Flags
4841 avio_wb32(pb, first_track->track_id); // reference track ID
4842 avio_wb64(pb, ntp_ts); // NTP time stamp
4843 avio_wb64(pb, first_track->cluster[0].pts); //media time
4844 return update_size(pb, pos);
4847 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks,
4850 AVIOContext *avio_buf;
4853 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
4855 mov_write_moof_tag_internal(avio_buf, mov, tracks, 0);
4856 moof_size = ffio_close_null_buf(avio_buf);
4858 if (mov->flags & FF_MOV_FLAG_DASH &&
4859 !(mov->flags & (FF_MOV_FLAG_GLOBAL_SIDX | FF_MOV_FLAG_SKIP_SIDX)))
4860 mov_write_sidx_tags(pb, mov, tracks, moof_size + 8 + mdat_size);
4862 if (mov->write_prft > MOV_PRFT_NONE && mov->write_prft < MOV_PRFT_NB)
4863 mov_write_prft_tag(pb, mov, tracks);
4865 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX ||
4866 !(mov->flags & FF_MOV_FLAG_SKIP_TRAILER) ||
4867 mov->ism_lookahead) {
4868 if ((ret = mov_add_tfra_entries(pb, mov, tracks, moof_size + 8 + mdat_size)) < 0)
4870 if (!(mov->flags & FF_MOV_FLAG_GLOBAL_SIDX) &&
4871 mov->flags & FF_MOV_FLAG_SKIP_TRAILER) {
4872 mov_prune_frag_info(mov, tracks, mov->ism_lookahead + 1);
4876 return mov_write_moof_tag_internal(pb, mov, tracks, moof_size);
4879 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
4881 int64_t pos = avio_tell(pb);
4884 avio_wb32(pb, 0); /* size placeholder */
4885 ffio_wfourcc(pb, "tfra");
4886 avio_w8(pb, 1); /* version */
4889 avio_wb32(pb, track->track_id);
4890 avio_wb32(pb, 0); /* length of traf/trun/sample num */
4891 avio_wb32(pb, track->nb_frag_info);
4892 for (i = 0; i < track->nb_frag_info; i++) {
4893 avio_wb64(pb, track->frag_info[i].time);
4894 avio_wb64(pb, track->frag_info[i].offset + track->data_offset);
4895 avio_w8(pb, 1); /* traf number */
4896 avio_w8(pb, 1); /* trun number */
4897 avio_w8(pb, 1); /* sample number */
4900 return update_size(pb, pos);
4903 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
4905 AVIOContext *mfra_pb;
4909 ret = avio_open_dyn_buf(&mfra_pb);
4913 avio_wb32(mfra_pb, 0); /* size placeholder */
4914 ffio_wfourcc(mfra_pb, "mfra");
4915 /* An empty mfra atom is enough to indicate to the publishing point that
4916 * the stream has ended. */
4917 if (mov->flags & FF_MOV_FLAG_ISML)
4920 for (i = 0; i < mov->nb_streams; i++) {
4921 MOVTrack *track = &mov->tracks[i];
4922 if (track->nb_frag_info)
4923 mov_write_tfra_tag(mfra_pb, track);
4926 avio_wb32(mfra_pb, 16);
4927 ffio_wfourcc(mfra_pb, "mfro");
4928 avio_wb32(mfra_pb, 0); /* version + flags */
4929 avio_wb32(mfra_pb, avio_tell(mfra_pb) + 4);
4933 sz = update_size(mfra_pb, 0);
4934 ret = avio_get_dyn_buf(mfra_pb, &buf);
4935 avio_write(pb, buf, ret);
4936 ffio_free_dyn_buf(&mfra_pb);
4941 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
4943 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
4944 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
4946 mov->mdat_pos = avio_tell(pb);
4947 avio_wb32(pb, 0); /* size placeholder*/
4948 ffio_wfourcc(pb, "mdat");
4952 static void mov_write_ftyp_tag_internal(AVIOContext *pb, AVFormatContext *s,
4953 int has_h264, int has_video, int write_minor)
4955 MOVMuxContext *mov = s->priv_data;
4958 if (mov->major_brand && strlen(mov->major_brand) >= 4)
4959 ffio_wfourcc(pb, mov->major_brand);
4960 else if (mov->mode == MODE_3GP) {
4961 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
4962 minor = has_h264 ? 0x100 : 0x200;
4963 } else if (mov->mode & MODE_3G2) {
4964 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
4965 minor = has_h264 ? 0x20000 : 0x10000;
4966 } else if (mov->mode == MODE_PSP)
4967 ffio_wfourcc(pb, "MSNV");
4968 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_FRAGMENT &&
4969 mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4970 ffio_wfourcc(pb, "iso6"); // Required when using signed CTS offsets in trun boxes
4971 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
4972 ffio_wfourcc(pb, "iso5"); // Required when using default-base-is-moof
4973 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4974 ffio_wfourcc(pb, "iso4");
4975 else if (mov->mode == MODE_MP4)
4976 ffio_wfourcc(pb, "isom");
4977 else if (mov->mode == MODE_IPOD)
4978 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
4979 else if (mov->mode == MODE_ISM)
4980 ffio_wfourcc(pb, "isml");
4981 else if (mov->mode == MODE_F4V)
4982 ffio_wfourcc(pb, "f4v ");
4984 ffio_wfourcc(pb, "qt ");
4987 avio_wb32(pb, minor);
4990 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
4992 MOVMuxContext *mov = s->priv_data;
4993 int64_t pos = avio_tell(pb);
4994 int has_h264 = 0, has_av1 = 0, has_video = 0;
4997 for (i = 0; i < s->nb_streams; i++) {
4998 AVStream *st = s->streams[i];
4999 if (is_cover_image(st))
5001 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
5003 if (st->codecpar->codec_id == AV_CODEC_ID_H264)
5005 if (st->codecpar->codec_id == AV_CODEC_ID_AV1)
5009 avio_wb32(pb, 0); /* size */
5010 ffio_wfourcc(pb, "ftyp");
5012 // Write major brand
5013 mov_write_ftyp_tag_internal(pb, s, has_h264, has_video, 1);
5014 // Write the major brand as the first compatible brand as well
5015 mov_write_ftyp_tag_internal(pb, s, has_h264, has_video, 0);
5017 // Write compatible brands, ensuring that we don't write the major brand as a
5018 // compatible brand a second time.
5019 if (mov->mode == MODE_ISM) {
5020 ffio_wfourcc(pb, "piff");
5021 } else if (mov->mode != MODE_MOV) {
5022 // We add tfdt atoms when fragmenting, signal this with the iso6 compatible
5023 // brand, if not already the major brand. This is compatible with users that
5024 // don't understand tfdt.
5025 if (mov->mode == MODE_MP4) {
5026 if (mov->flags & FF_MOV_FLAG_CMAF)
5027 ffio_wfourcc(pb, "cmfc");
5028 if (mov->flags & FF_MOV_FLAG_FRAGMENT && !(mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS))
5029 ffio_wfourcc(pb, "iso6");
5031 ffio_wfourcc(pb, "av01");
5033 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
5034 ffio_wfourcc(pb, "iso6");
5035 if (mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
5036 ffio_wfourcc(pb, "iso5");
5037 else if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
5038 ffio_wfourcc(pb, "iso4");
5040 // Brands prior to iso5 can't be signaled when using default-base-is-moof
5041 if (!(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)) {
5042 // write isom for mp4 only if it it's not the major brand already.
5043 if (mov->mode != MODE_MP4 || mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
5044 ffio_wfourcc(pb, "isom");
5045 ffio_wfourcc(pb, "iso2");
5047 ffio_wfourcc(pb, "avc1");
5051 if (mov->mode == MODE_MP4)
5052 ffio_wfourcc(pb, "mp41");
5054 if (mov->flags & FF_MOV_FLAG_DASH && mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
5055 ffio_wfourcc(pb, "dash");
5057 return update_size(pb, pos);
5060 static int mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
5062 AVStream *video_st = s->streams[0];
5063 AVCodecParameters *video_par = s->streams[0]->codecpar;
5064 AVCodecParameters *audio_par = s->streams[1]->codecpar;
5065 int audio_rate = audio_par->sample_rate;
5066 int64_t frame_rate = video_st->avg_frame_rate.den ?
5067 (video_st->avg_frame_rate.num * 0x10000LL) / video_st->avg_frame_rate.den :
5069 int audio_kbitrate = audio_par->bit_rate / 1000;
5070 int video_kbitrate = FFMIN(video_par->bit_rate / 1000, 800 - audio_kbitrate);
5072 if (frame_rate < 0 || frame_rate > INT32_MAX) {
5073 av_log(s, AV_LOG_ERROR, "Frame rate %f outside supported range\n", frame_rate / (double)0x10000);
5074 return AVERROR(EINVAL);
5077 avio_wb32(pb, 0x94); /* size */
5078 ffio_wfourcc(pb, "uuid");
5079 ffio_wfourcc(pb, "PROF");
5081 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
5082 avio_wb32(pb, 0xbb88695c);
5083 avio_wb32(pb, 0xfac9c740);
5085 avio_wb32(pb, 0x0); /* ? */
5086 avio_wb32(pb, 0x3); /* 3 sections ? */
5088 avio_wb32(pb, 0x14); /* size */
5089 ffio_wfourcc(pb, "FPRF");
5090 avio_wb32(pb, 0x0); /* ? */
5091 avio_wb32(pb, 0x0); /* ? */
5092 avio_wb32(pb, 0x0); /* ? */
5094 avio_wb32(pb, 0x2c); /* size */
5095 ffio_wfourcc(pb, "APRF"); /* audio */
5097 avio_wb32(pb, 0x2); /* TrackID */
5098 ffio_wfourcc(pb, "mp4a");
5099 avio_wb32(pb, 0x20f);
5101 avio_wb32(pb, audio_kbitrate);
5102 avio_wb32(pb, audio_kbitrate);
5103 avio_wb32(pb, audio_rate);
5104 avio_wb32(pb, audio_par->channels);
5106 avio_wb32(pb, 0x34); /* size */
5107 ffio_wfourcc(pb, "VPRF"); /* video */
5109 avio_wb32(pb, 0x1); /* TrackID */
5110 if (video_par->codec_id == AV_CODEC_ID_H264) {
5111 ffio_wfourcc(pb, "avc1");
5112 avio_wb16(pb, 0x014D);
5113 avio_wb16(pb, 0x0015);
5115 ffio_wfourcc(pb, "mp4v");
5116 avio_wb16(pb, 0x0000);
5117 avio_wb16(pb, 0x0103);
5120 avio_wb32(pb, video_kbitrate);
5121 avio_wb32(pb, video_kbitrate);
5122 avio_wb32(pb, frame_rate);
5123 avio_wb32(pb, frame_rate);
5124 avio_wb16(pb, video_par->width);
5125 avio_wb16(pb, video_par->height);
5126 avio_wb32(pb, 0x010001); /* ? */
5131 static int mov_write_identification(AVIOContext *pb, AVFormatContext *s)
5133 MOVMuxContext *mov = s->priv_data;
5136 mov_write_ftyp_tag(pb,s);
5137 if (mov->mode == MODE_PSP) {
5138 int video_streams_nb = 0, audio_streams_nb = 0, other_streams_nb = 0;
5139 for (i = 0; i < s->nb_streams; i++) {
5140 AVStream *st = s->streams[i];
5141 if (is_cover_image(st))
5143 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
5145 else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
5151 if (video_streams_nb != 1 || audio_streams_nb != 1 || other_streams_nb) {
5152 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
5153 return AVERROR(EINVAL);
5155 return mov_write_uuidprof_tag(pb, s);
5160 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
5163 int i, closed_gop = 0;
5165 for (i = 0; i < pkt->size - 4; i++) {
5166 c = (c << 8) + pkt->data[i];
5167 if (c == 0x1b8) { // gop
5168 closed_gop = pkt->data[i + 4] >> 6 & 0x01;
5169 } else if (c == 0x100) { // pic
5170 int temp_ref = (pkt->data[i + 1] << 2) | (pkt->data[i + 2] >> 6);
5171 if (!temp_ref || closed_gop) // I picture is not reordered
5172 *flags = MOV_SYNC_SAMPLE;
5174 *flags = MOV_PARTIAL_SYNC_SAMPLE;
5181 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk)
5183 const uint8_t *start, *next, *end = pkt->data + pkt->size;
5184 int seq = 0, entry = 0;
5185 int key = pkt->flags & AV_PKT_FLAG_KEY;
5186 start = find_next_marker(pkt->data, end);
5187 for (next = start; next < end; start = next) {
5188 next = find_next_marker(start + 4, end);
5189 switch (AV_RB32(start)) {
5190 case VC1_CODE_SEQHDR:
5193 case VC1_CODE_ENTRYPOINT:
5196 case VC1_CODE_SLICE:
5197 trk->vc1_info.slices = 1;
5201 if (!trk->entry && trk->vc1_info.first_packet_seen)
5202 trk->vc1_info.first_frag_written = 1;
5203 if (!trk->entry && !trk->vc1_info.first_frag_written) {
5204 /* First packet in first fragment */
5205 trk->vc1_info.first_packet_seq = seq;
5206 trk->vc1_info.first_packet_entry = entry;
5207 trk->vc1_info.first_packet_seen = 1;
5208 } else if ((seq && !trk->vc1_info.packet_seq) ||
5209 (entry && !trk->vc1_info.packet_entry)) {
5211 for (i = 0; i < trk->entry; i++)
5212 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
5213 trk->has_keyframes = 0;
5215 trk->vc1_info.packet_seq = 1;
5217 trk->vc1_info.packet_entry = 1;
5218 if (!trk->vc1_info.first_frag_written) {
5219 /* First fragment */
5220 if ((!seq || trk->vc1_info.first_packet_seq) &&
5221 (!entry || trk->vc1_info.first_packet_entry)) {
5222 /* First packet had the same headers as this one, readd the
5223 * sync sample flag. */
5224 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
5225 trk->has_keyframes = 1;
5229 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
5231 else if (trk->vc1_info.packet_seq)
5233 else if (trk->vc1_info.packet_entry)
5236 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
5237 trk->has_keyframes++;
5241 static void mov_parse_truehd_frame(AVPacket *pkt, MOVTrack *trk)
5248 length = (AV_RB16(pkt->data) & 0xFFF) * 2;
5249 if (length < 8 || length > pkt->size)
5252 if (AV_RB32(pkt->data + 4) == 0xF8726FBA) {
5253 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
5254 trk->has_keyframes++;
5260 static int mov_flush_fragment_interleaving(AVFormatContext *s, MOVTrack *track)
5262 MOVMuxContext *mov = s->priv_data;
5267 if (!track->mdat_buf)
5269 if (!mov->mdat_buf) {
5270 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
5273 buf_size = avio_get_dyn_buf(track->mdat_buf, &buf);
5275 offset = avio_tell(mov->mdat_buf);
5276 avio_write(mov->mdat_buf, buf, buf_size);
5277 ffio_free_dyn_buf(&track->mdat_buf);
5279 for (i = track->entries_flushed; i < track->entry; i++)
5280 track->cluster[i].pos += offset;
5281 track->entries_flushed = track->entry;
5285 static int mov_flush_fragment(AVFormatContext *s, int force)
5287 MOVMuxContext *mov = s->priv_data;
5288 int i, first_track = -1;
5289 int64_t mdat_size = 0;
5291 int has_video = 0, starts_with_key = 0, first_video_track = 1;
5293 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
5296 // Try to fill in the duration of the last packet in each stream
5297 // from queued packets in the interleave queues. If the flushing
5298 // of fragments was triggered automatically by an AVPacket, we
5299 // already have reliable info for the end of that track, but other
5300 // tracks may need to be filled in.
5301 for (i = 0; i < s->nb_streams; i++) {
5302 MOVTrack *track = &mov->tracks[i];
5303 if (!track->end_reliable) {
5304 const AVPacket *pkt = ff_interleaved_peek(s, i);
5306 int64_t offset, dts, pts;
5307 ff_get_muxer_ts_offset(s, i, &offset);
5308 pts = pkt->pts + offset;
5309 dts = pkt->dts + offset;
5310 if (track->dts_shift != AV_NOPTS_VALUE)
5311 dts += track->dts_shift;
5312 track->track_duration = dts - track->start_dts;
5313 if (pts != AV_NOPTS_VALUE)
5314 track->end_pts = pts;
5316 track->end_pts = dts;
5321 for (i = 0; i < mov->nb_streams; i++) {
5322 MOVTrack *track = &mov->tracks[i];
5323 if (track->entry <= 1)
5325 // Sample durations are calculated as the diff of dts values,
5326 // but for the last sample in a fragment, we don't know the dts
5327 // of the first sample in the next fragment, so we have to rely
5328 // on what was set as duration in the AVPacket. Not all callers
5329 // set this though, so we might want to replace it with an
5330 // estimate if it currently is zero.
5331 if (get_cluster_duration(track, track->entry - 1) != 0)
5333 // Use the duration (i.e. dts diff) of the second last sample for
5334 // the last one. This is a wild guess (and fatal if it turns out
5335 // to be too long), but probably the best we can do - having a zero
5336 // duration is bad as well.
5337 track->track_duration += get_cluster_duration(track, track->entry - 2);
5338 track->end_pts += get_cluster_duration(track, track->entry - 2);
5339 if (!mov->missing_duration_warned) {
5340 av_log(s, AV_LOG_WARNING,
5341 "Estimating the duration of the last packet in a "
5342 "fragment, consider setting the duration field in "
5343 "AVPacket instead.\n");
5344 mov->missing_duration_warned = 1;
5348 if (!mov->moov_written) {
5349 int64_t pos = avio_tell(s->pb);
5351 int buf_size, moov_size;
5353 for (i = 0; i < mov->nb_streams; i++)
5354 if (!mov->tracks[i].entry && !is_cover_image(mov->tracks[i].st))
5356 /* Don't write the initial moov unless all tracks have data */
5357 if (i < mov->nb_streams && !force)
5360 moov_size = get_moov_size(s);
5361 for (i = 0; i < mov->nb_streams; i++)
5362 mov->tracks[i].data_offset = pos + moov_size + 8;
5364 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_HEADER);
5365 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
5366 mov_write_identification(s->pb, s);
5367 if ((ret = mov_write_moov_tag(s->pb, mov, s)) < 0)
5370 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV) {
5371 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
5372 mov->reserved_header_pos = avio_tell(s->pb);
5373 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
5374 mov->moov_written = 1;
5378 buf_size = avio_get_dyn_buf(mov->mdat_buf, &buf);
5379 avio_wb32(s->pb, buf_size + 8);
5380 ffio_wfourcc(s->pb, "mdat");
5381 avio_write(s->pb, buf, buf_size);
5382 ffio_free_dyn_buf(&mov->mdat_buf);
5384 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
5385 mov->reserved_header_pos = avio_tell(s->pb);
5387 mov->moov_written = 1;
5389 for (i = 0; i < mov->nb_streams; i++) {
5390 if (mov->tracks[i].entry)
5391 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
5392 mov->tracks[i].track_duration -
5393 mov->tracks[i].cluster[0].dts;
5394 mov->tracks[i].entry = 0;
5395 mov->tracks[i].end_reliable = 0;
5397 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
5401 if (mov->frag_interleave) {
5402 for (i = 0; i < mov->nb_streams; i++) {
5403 MOVTrack *track = &mov->tracks[i];
5405 if ((ret = mov_flush_fragment_interleaving(s, track)) < 0)
5411 mdat_size = avio_tell(mov->mdat_buf);
5414 for (i = 0; i < mov->nb_streams; i++) {
5415 MOVTrack *track = &mov->tracks[i];
5416 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF || mov->frag_interleave)
5417 track->data_offset = 0;
5419 track->data_offset = mdat_size;
5420 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
5422 if (first_video_track) {
5424 starts_with_key = track->cluster[0].flags & MOV_SYNC_SAMPLE;
5425 first_video_track = 0;
5430 if (track->mdat_buf)
5431 mdat_size += avio_tell(track->mdat_buf);
5432 if (first_track < 0)
5439 avio_write_marker(s->pb,
5440 av_rescale(mov->tracks[first_track].cluster[0].dts, AV_TIME_BASE, mov->tracks[first_track].timescale),
5441 (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);
5443 for (i = 0; i < mov->nb_streams; i++) {
5444 MOVTrack *track = &mov->tracks[i];
5445 int buf_size, write_moof = 1, moof_tracks = -1;
5447 int64_t duration = 0;
5450 duration = track->start_dts + track->track_duration -
5451 track->cluster[0].dts;
5452 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
5453 if (!track->mdat_buf)
5455 mdat_size = avio_tell(track->mdat_buf);
5458 write_moof = i == first_track;
5462 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
5464 mov_write_moof_tag(s->pb, mov, moof_tracks, mdat_size);
5467 avio_wb32(s->pb, mdat_size + 8);
5468 ffio_wfourcc(s->pb, "mdat");
5472 track->frag_start += duration;
5474 track->entries_flushed = 0;
5475 track->end_reliable = 0;
5476 if (!mov->frag_interleave) {
5477 if (!track->mdat_buf)
5479 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
5480 track->mdat_buf = NULL;
5484 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
5485 mov->mdat_buf = NULL;
5488 avio_write(s->pb, buf, buf_size);
5494 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
5498 static int mov_auto_flush_fragment(AVFormatContext *s, int force)
5500 MOVMuxContext *mov = s->priv_data;
5501 int had_moov = mov->moov_written;
5502 int ret = mov_flush_fragment(s, force);
5505 // If using delay_moov, the first flush only wrote the moov,
5506 // not the actual moof+mdat pair, thus flush once again.
5507 if (!had_moov && mov->flags & FF_MOV_FLAG_DELAY_MOOV)
5508 ret = mov_flush_fragment(s, force);
5512 static int check_pkt(AVFormatContext *s, AVPacket *pkt)
5514 MOVMuxContext *mov = s->priv_data;
5515 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5520 ref = trk->cluster[trk->entry - 1].dts;
5521 } else if ( trk->start_dts != AV_NOPTS_VALUE
5522 && !trk->frag_discont) {
5523 ref = trk->start_dts + trk->track_duration;
5525 ref = pkt->dts; // Skip tests for the first packet
5527 if (trk->dts_shift != AV_NOPTS_VALUE) {
5528 /* With negative CTS offsets we have set an offset to the DTS,
5529 * reverse this for the check. */
5530 ref -= trk->dts_shift;
5533 duration = pkt->dts - ref;
5534 if (pkt->dts < ref || duration >= INT_MAX) {
5535 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" / timestamp: %"PRId64" is out of range for mov/mp4 format\n",
5540 pkt->pts = AV_NOPTS_VALUE;
5543 if (pkt->duration < 0 || pkt->duration > INT_MAX) {
5544 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" is invalid\n", pkt->duration);
5545 return AVERROR(EINVAL);
5550 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
5552 MOVMuxContext *mov = s->priv_data;
5553 AVIOContext *pb = s->pb;
5554 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5555 AVCodecParameters *par = trk->par;
5556 AVProducerReferenceTime *prft;
5557 unsigned int samples_in_chunk = 0;
5558 int size = pkt->size, ret = 0, offset = 0;
5560 uint8_t *reformatted_data = NULL;
5562 ret = check_pkt(s, pkt);
5566 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
5568 if (mov->moov_written || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
5569 if (mov->frag_interleave && mov->fragments > 0) {
5570 if (trk->entry - trk->entries_flushed >= mov->frag_interleave) {
5571 if ((ret = mov_flush_fragment_interleaving(s, trk)) < 0)
5576 if (!trk->mdat_buf) {
5577 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
5582 if (!mov->mdat_buf) {
5583 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
5590 if (par->codec_id == AV_CODEC_ID_AMR_NB) {
5591 /* We must find out how many AMR blocks there are in one packet */
5592 static const uint16_t packed_size[16] =
5593 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
5596 while (len < size && samples_in_chunk < 100) {
5597 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
5600 if (samples_in_chunk > 1) {
5601 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
5604 } else if (par->codec_id == AV_CODEC_ID_ADPCM_MS ||
5605 par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
5606 samples_in_chunk = trk->par->frame_size;
5607 } else if (trk->sample_size)
5608 samples_in_chunk = size / trk->sample_size;
5610 samples_in_chunk = 1;
5612 if (samples_in_chunk < 1) {
5613 av_log(s, AV_LOG_ERROR, "fatal error, input packet contains no samples\n");
5614 return AVERROR_PATCHWELCOME;
5617 /* copy extradata if it exists */
5618 if (trk->vos_len == 0 && par->extradata_size > 0 &&
5619 !TAG_IS_AVCI(trk->tag) &&
5620 (par->codec_id != AV_CODEC_ID_DNXHD)) {
5621 trk->vos_len = par->extradata_size;
5622 trk->vos_data = av_malloc(trk->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
5623 if (!trk->vos_data) {
5624 ret = AVERROR(ENOMEM);
5627 memcpy(trk->vos_data, par->extradata, trk->vos_len);
5628 memset(trk->vos_data + trk->vos_len, 0, AV_INPUT_BUFFER_PADDING_SIZE);
5631 if ((par->codec_id == AV_CODEC_ID_DNXHD ||
5632 par->codec_id == AV_CODEC_ID_H264 ||
5633 par->codec_id == AV_CODEC_ID_HEVC ||
5634 par->codec_id == AV_CODEC_ID_TRUEHD ||
5635 par->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len &&
5636 !TAG_IS_AVCI(trk->tag)) {
5637 /* copy frame to create needed atoms */
5638 trk->vos_len = size;
5639 trk->vos_data = av_malloc(size + AV_INPUT_BUFFER_PADDING_SIZE);
5640 if (!trk->vos_data) {
5641 ret = AVERROR(ENOMEM);
5644 memcpy(trk->vos_data, pkt->data, size);
5645 memset(trk->vos_data + size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
5648 if (par->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 &&
5649 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
5650 if (!s->streams[pkt->stream_index]->nb_frames) {
5651 av_log(s, AV_LOG_ERROR, "Malformed AAC bitstream detected: "
5652 "use the audio bitstream filter 'aac_adtstoasc' to fix it "
5653 "('-bsf:a aac_adtstoasc' option with ffmpeg)\n");
5656 av_log(s, AV_LOG_WARNING, "aac bitstream error\n");
5658 if (par->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1 && !TAG_IS_AVCI(trk->tag)) {
5659 /* from x264 or from bytestream H.264 */
5660 /* NAL reformatting needed */
5661 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5662 ret = ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
5666 avio_write(pb, reformatted_data, size);
5668 if (trk->cenc.aes_ctr) {
5669 size = ff_mov_cenc_avc_parse_nal_units(&trk->cenc, pb, pkt->data, size);
5675 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
5678 } else if (par->codec_id == AV_CODEC_ID_HEVC && trk->vos_len > 6 &&
5679 (AV_RB24(trk->vos_data) == 1 || AV_RB32(trk->vos_data) == 1)) {
5680 /* extradata is Annex B, assume the bitstream is too and convert it */
5681 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5682 ret = ff_hevc_annexb2mp4_buf(pkt->data, &reformatted_data,
5686 avio_write(pb, reformatted_data, size);
5688 size = ff_hevc_annexb2mp4(pb, pkt->data, pkt->size, 0, NULL);
5690 } else if (par->codec_id == AV_CODEC_ID_AV1) {
5691 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5692 ret = ff_av1_filter_obus_buf(pkt->data, &reformatted_data,
5696 avio_write(pb, reformatted_data, size);
5698 size = ff_av1_filter_obus(pb, pkt->data, pkt->size);
5700 #if CONFIG_AC3_PARSER
5701 } else if (par->codec_id == AV_CODEC_ID_EAC3) {
5702 size = handle_eac3(mov, pkt, trk);
5707 avio_write(pb, pkt->data, size);
5709 } else if (par->codec_id == AV_CODEC_ID_EIA_608) {
5712 for (int i = 0; i < pkt->size; i += 3) {
5713 if (pkt->data[i] == 0xFC) {
5717 avio_wb32(pb, size);
5718 ffio_wfourcc(pb, "cdat");
5719 for (int i = 0; i < pkt->size; i += 3) {
5720 if (pkt->data[i] == 0xFC) {
5721 avio_w8(pb, pkt->data[i + 1]);
5722 avio_w8(pb, pkt->data[i + 2]);
5726 if (trk->cenc.aes_ctr) {
5727 if (par->codec_id == AV_CODEC_ID_H264 && par->extradata_size > 4) {
5728 int nal_size_length = (par->extradata[4] & 0x3) + 1;
5729 ret = ff_mov_cenc_avc_write_nal_units(s, &trk->cenc, nal_size_length, pb, pkt->data, size);
5731 ret = ff_mov_cenc_write_packet(&trk->cenc, pb, pkt->data, size);
5738 avio_write(pb, pkt->data, size);
5742 if (trk->entry >= trk->cluster_capacity) {
5743 unsigned new_capacity = trk->entry + MOV_INDEX_CLUSTER_SIZE;
5744 if (av_reallocp_array(&trk->cluster, new_capacity,
5745 sizeof(*trk->cluster))) {
5746 ret = AVERROR(ENOMEM);
5749 trk->cluster_capacity = new_capacity;
5752 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
5753 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
5754 trk->cluster[trk->entry].chunkNum = 0;
5755 trk->cluster[trk->entry].size = size;
5756 trk->cluster[trk->entry].entries = samples_in_chunk;
5757 trk->cluster[trk->entry].dts = pkt->dts;
5758 trk->cluster[trk->entry].pts = pkt->pts;
5759 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
5760 if (!trk->frag_discont) {
5761 /* First packet of a new fragment. We already wrote the duration
5762 * of the last packet of the previous fragment based on track_duration,
5763 * which might not exactly match our dts. Therefore adjust the dts
5764 * of this packet to be what the previous packets duration implies. */
5765 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
5766 /* We also may have written the pts and the corresponding duration
5767 * in sidx/tfrf/tfxd tags; make sure the sidx pts and duration match up with
5768 * the next fragment. This means the cts of the first sample must
5769 * be the same in all fragments, unless end_pts was updated by
5770 * the packet causing the fragment to be written. */
5771 if ((mov->flags & FF_MOV_FLAG_DASH &&
5772 !(mov->flags & (FF_MOV_FLAG_GLOBAL_SIDX | FF_MOV_FLAG_SKIP_SIDX))) ||
5773 mov->mode == MODE_ISM)
5774 pkt->pts = pkt->dts + trk->end_pts - trk->cluster[trk->entry].dts;
5776 /* New fragment, but discontinuous from previous fragments.
5777 * Pretend the duration sum of the earlier fragments is
5778 * pkt->dts - trk->start_dts. */
5779 trk->frag_start = pkt->dts - trk->start_dts;
5780 trk->end_pts = AV_NOPTS_VALUE;
5781 trk->frag_discont = 0;
5785 if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !mov->use_editlist &&
5786 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO) {
5787 /* Not using edit lists and shifting the first track to start from zero.
5788 * If the other streams start from a later timestamp, we won't be able
5789 * to signal the difference in starting time without an edit list.
5790 * Thus move the timestamp for this first sample to 0, increasing
5791 * its duration instead. */
5792 trk->cluster[trk->entry].dts = trk->start_dts = 0;
5794 if (trk->start_dts == AV_NOPTS_VALUE) {
5795 trk->start_dts = pkt->dts;
5796 if (trk->frag_discont) {
5797 if (mov->use_editlist) {
5798 /* Pretend the whole stream started at pts=0, with earlier fragments
5799 * already written. If the stream started at pts=0, the duration sum
5800 * of earlier fragments would have been pkt->pts. */
5801 trk->frag_start = pkt->pts;
5802 trk->start_dts = pkt->dts - pkt->pts;
5804 /* Pretend the whole stream started at dts=0, with earlier fragments
5805 * already written, with a duration summing up to pkt->dts. */
5806 trk->frag_start = pkt->dts;
5809 trk->frag_discont = 0;
5810 } else if (pkt->dts && mov->moov_written)
5811 av_log(s, AV_LOG_WARNING,
5812 "Track %d starts with a nonzero dts %"PRId64", while the moov "
5813 "already has been written. Set the delay_moov flag to handle "
5815 pkt->stream_index, pkt->dts);
5817 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
5818 trk->last_sample_is_subtitle_end = 0;
5820 if (pkt->pts == AV_NOPTS_VALUE) {
5821 av_log(s, AV_LOG_WARNING, "pts has no value\n");
5822 pkt->pts = pkt->dts;
5824 if (pkt->dts != pkt->pts)
5825 trk->flags |= MOV_TRACK_CTTS;
5826 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
5827 trk->cluster[trk->entry].flags = 0;
5828 if (trk->start_cts == AV_NOPTS_VALUE)
5829 trk->start_cts = pkt->pts - pkt->dts;
5830 if (trk->end_pts == AV_NOPTS_VALUE)
5831 trk->end_pts = trk->cluster[trk->entry].dts +
5832 trk->cluster[trk->entry].cts + pkt->duration;
5834 trk->end_pts = FFMAX(trk->end_pts, trk->cluster[trk->entry].dts +
5835 trk->cluster[trk->entry].cts +
5838 if (par->codec_id == AV_CODEC_ID_VC1) {
5839 mov_parse_vc1_frame(pkt, trk);
5840 } else if (par->codec_id == AV_CODEC_ID_TRUEHD) {
5841 mov_parse_truehd_frame(pkt, trk);
5842 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
5843 if (mov->mode == MODE_MOV && par->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
5844 trk->entry > 0) { // force sync sample for the first key frame
5845 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
5846 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
5847 trk->flags |= MOV_TRACK_STPS;
5849 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
5851 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
5852 trk->has_keyframes++;
5854 if (pkt->flags & AV_PKT_FLAG_DISPOSABLE) {
5855 trk->cluster[trk->entry].flags |= MOV_DISPOSABLE_SAMPLE;
5856 trk->has_disposable++;
5859 prft = (AVProducerReferenceTime *)av_packet_get_side_data(pkt, AV_PKT_DATA_PRFT, &prft_size);
5860 if (prft && prft_size == sizeof(AVProducerReferenceTime))
5861 memcpy(&trk->cluster[trk->entry].prft, prft, prft_size);
5863 memset(&trk->cluster[trk->entry].prft, 0, sizeof(AVProducerReferenceTime));
5866 trk->sample_count += samples_in_chunk;
5867 mov->mdat_size += size;
5869 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
5870 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
5871 reformatted_data ? reformatted_data + offset
5877 if (pkt->data != reformatted_data)
5878 av_free(reformatted_data);
5882 static int mov_write_single_packet(AVFormatContext *s, AVPacket *pkt)
5884 MOVMuxContext *mov = s->priv_data;
5885 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5886 AVCodecParameters *par = trk->par;
5887 int64_t frag_duration = 0;
5888 int size = pkt->size;
5890 int ret = check_pkt(s, pkt);
5894 if (mov->flags & FF_MOV_FLAG_FRAG_DISCONT) {
5896 for (i = 0; i < s->nb_streams; i++)
5897 mov->tracks[i].frag_discont = 1;
5898 mov->flags &= ~FF_MOV_FLAG_FRAG_DISCONT;
5901 if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS) {
5902 if (trk->dts_shift == AV_NOPTS_VALUE)
5903 trk->dts_shift = pkt->pts - pkt->dts;
5904 pkt->dts += trk->dts_shift;
5907 if (trk->par->codec_id == AV_CODEC_ID_MP4ALS ||
5908 trk->par->codec_id == AV_CODEC_ID_AAC ||
5909 trk->par->codec_id == AV_CODEC_ID_AV1 ||
5910 trk->par->codec_id == AV_CODEC_ID_FLAC) {
5912 uint8_t *side = av_packet_get_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA, &side_size);
5913 if (side && side_size > 0 && (side_size != par->extradata_size || memcmp(side, par->extradata, side_size))) {
5914 void *newextra = av_mallocz(side_size + AV_INPUT_BUFFER_PADDING_SIZE);
5916 return AVERROR(ENOMEM);
5917 av_free(par->extradata);
5918 par->extradata = newextra;
5919 memcpy(par->extradata, side, side_size);
5920 par->extradata_size = side_size;
5921 if (!pkt->size) // Flush packet
5922 mov->need_rewrite_extradata = 1;
5927 if (trk->start_dts == AV_NOPTS_VALUE && trk->frag_discont) {
5928 trk->start_dts = pkt->dts;
5929 if (pkt->pts != AV_NOPTS_VALUE)
5930 trk->start_cts = pkt->pts - pkt->dts;
5935 return 0; /* Discard 0 sized packets */
5938 if (trk->entry && pkt->stream_index < s->nb_streams)
5939 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
5940 s->streams[pkt->stream_index]->time_base,
5942 if ((mov->max_fragment_duration &&
5943 frag_duration >= mov->max_fragment_duration) ||
5944 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
5945 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
5946 par->codec_type == AVMEDIA_TYPE_VIDEO &&
5947 trk->entry && pkt->flags & AV_PKT_FLAG_KEY) ||
5948 (mov->flags & FF_MOV_FLAG_FRAG_EVERY_FRAME)) {
5949 if (frag_duration >= mov->min_fragment_duration) {
5950 // Set the duration of this track to line up with the next
5951 // sample in this track. This avoids relying on AVPacket
5952 // duration, but only helps for this particular track, not
5953 // for the other ones that are flushed at the same time.
5954 trk->track_duration = pkt->dts - trk->start_dts;
5955 if (pkt->pts != AV_NOPTS_VALUE)
5956 trk->end_pts = pkt->pts;
5958 trk->end_pts = pkt->dts;
5959 trk->end_reliable = 1;
5960 mov_auto_flush_fragment(s, 0);
5964 return ff_mov_write_packet(s, pkt);
5967 static int mov_write_subtitle_end_packet(AVFormatContext *s,
5971 uint8_t data[2] = {0};
5974 av_init_packet(&end);
5975 end.size = sizeof(data);
5980 end.stream_index = stream_index;
5982 ret = mov_write_single_packet(s, &end);
5983 av_packet_unref(&end);
5988 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
5990 MOVMuxContext *mov = s->priv_data;
5994 mov_flush_fragment(s, 1);
5998 trk = &mov->tracks[pkt->stream_index];
6000 if (is_cover_image(trk->st)) {
6003 if (trk->st->nb_frames >= 1) {
6004 if (trk->st->nb_frames == 1)
6005 av_log(s, AV_LOG_WARNING, "Got more than one picture in stream %d,"
6006 " ignoring.\n", pkt->stream_index);
6010 if ((ret = av_packet_ref(&trk->cover_image, pkt)) < 0)
6018 return mov_write_single_packet(s, pkt); /* Passthrough. */
6021 * Subtitles require special handling.
6023 * 1) For full complaince, every track must have a sample at
6024 * dts == 0, which is rarely true for subtitles. So, as soon
6025 * as we see any packet with dts > 0, write an empty subtitle
6026 * at dts == 0 for any subtitle track with no samples in it.
6028 * 2) For each subtitle track, check if the current packet's
6029 * dts is past the duration of the last subtitle sample. If
6030 * so, we now need to write an end sample for that subtitle.
6032 * This must be done conditionally to allow for subtitles that
6033 * immediately replace each other, in which case an end sample
6034 * is not needed, and is, in fact, actively harmful.
6036 * 3) See mov_write_trailer for how the final end sample is
6039 for (i = 0; i < mov->nb_streams; i++) {
6040 MOVTrack *trk = &mov->tracks[i];
6043 if (trk->par->codec_id == AV_CODEC_ID_MOV_TEXT &&
6044 trk->track_duration < pkt->dts &&
6045 (trk->entry == 0 || !trk->last_sample_is_subtitle_end)) {
6046 ret = mov_write_subtitle_end_packet(s, i, trk->track_duration);
6047 if (ret < 0) return ret;
6048 trk->last_sample_is_subtitle_end = 1;
6052 if (trk->mode == MODE_MOV && trk->par->codec_type == AVMEDIA_TYPE_VIDEO) {
6053 AVPacket *opkt = pkt;
6054 int reshuffle_ret, ret;
6055 if (trk->is_unaligned_qt_rgb) {
6056 int64_t bpc = trk->par->bits_per_coded_sample != 15 ? trk->par->bits_per_coded_sample : 16;
6057 int expected_stride = ((trk->par->width * bpc + 15) >> 4)*2;
6058 reshuffle_ret = ff_reshuffle_raw_rgb(s, &pkt, trk->par, expected_stride);
6059 if (reshuffle_ret < 0)
6060 return reshuffle_ret;
6063 if (trk->par->format == AV_PIX_FMT_PAL8 && !trk->pal_done) {
6064 ret = ff_get_packet_palette(s, opkt, reshuffle_ret, trk->palette);
6069 } else if (trk->par->codec_id == AV_CODEC_ID_RAWVIDEO &&
6070 (trk->par->format == AV_PIX_FMT_GRAY8 ||
6071 trk->par->format == AV_PIX_FMT_MONOBLACK)) {
6072 for (i = 0; i < pkt->size; i++)
6073 pkt->data[i] = ~pkt->data[i];
6075 if (reshuffle_ret) {
6076 ret = mov_write_single_packet(s, pkt);
6079 av_packet_free(&pkt);
6084 return mov_write_single_packet(s, pkt);
6088 // QuickTime chapters involve an additional text track with the chapter names
6089 // as samples, and a tref pointing from the other tracks to the chapter one.
6090 static int mov_create_chapter_track(AVFormatContext *s, int tracknum)
6094 MOVMuxContext *mov = s->priv_data;
6095 MOVTrack *track = &mov->tracks[tracknum];
6096 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
6099 track->mode = mov->mode;
6100 track->tag = MKTAG('t','e','x','t');
6101 track->timescale = MOV_TIMESCALE;
6102 track->par = avcodec_parameters_alloc();
6104 return AVERROR(ENOMEM);
6105 track->par->codec_type = AVMEDIA_TYPE_SUBTITLE;
6107 // These properties are required to make QT recognize the chapter track
6108 uint8_t chapter_properties[43] = { 0, 0, 0, 0, 0, 0, 0, 1, };
6109 if (ff_alloc_extradata(track->par, sizeof(chapter_properties)))
6110 return AVERROR(ENOMEM);
6111 memcpy(track->par->extradata, chapter_properties, sizeof(chapter_properties));
6113 if (avio_open_dyn_buf(&pb) >= 0) {
6117 /* Stub header (usually for Quicktime chapter track) */
6119 avio_wb32(pb, 0x01); // displayFlags
6120 avio_w8(pb, 0x00); // horizontal justification
6121 avio_w8(pb, 0x00); // vertical justification
6122 avio_w8(pb, 0x00); // bgColourRed
6123 avio_w8(pb, 0x00); // bgColourGreen
6124 avio_w8(pb, 0x00); // bgColourBlue
6125 avio_w8(pb, 0x00); // bgColourAlpha
6127 avio_wb16(pb, 0x00); // defTextBoxTop
6128 avio_wb16(pb, 0x00); // defTextBoxLeft
6129 avio_wb16(pb, 0x00); // defTextBoxBottom
6130 avio_wb16(pb, 0x00); // defTextBoxRight
6132 avio_wb16(pb, 0x00); // startChar
6133 avio_wb16(pb, 0x00); // endChar
6134 avio_wb16(pb, 0x01); // fontID
6135 avio_w8(pb, 0x00); // fontStyleFlags
6136 avio_w8(pb, 0x00); // fontSize
6137 avio_w8(pb, 0x00); // fgColourRed
6138 avio_w8(pb, 0x00); // fgColourGreen
6139 avio_w8(pb, 0x00); // fgColourBlue
6140 avio_w8(pb, 0x00); // fgColourAlpha
6142 avio_wb32(pb, 0x0D); // box size
6143 ffio_wfourcc(pb, "ftab"); // box atom name
6144 avio_wb16(pb, 0x01); // entry count
6146 avio_wb16(pb, 0x01); // font ID
6147 avio_w8(pb, 0x00); // font name length
6149 if ((size = avio_close_dyn_buf(pb, &buf)) > 0) {
6150 track->par->extradata = buf;
6151 track->par->extradata_size = size;
6158 for (i = 0; i < s->nb_chapters; i++) {
6159 AVChapter *c = s->chapters[i];
6160 AVDictionaryEntry *t;
6162 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
6163 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
6164 pkt.duration = end - pkt.dts;
6166 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
6167 static const char encd[12] = {
6168 0x00, 0x00, 0x00, 0x0C,
6170 0x00, 0x00, 0x01, 0x00 };
6171 len = strlen(t->value);
6172 pkt.size = len + 2 + 12;
6173 pkt.data = av_malloc(pkt.size);
6175 return AVERROR(ENOMEM);
6176 AV_WB16(pkt.data, len);
6177 memcpy(pkt.data + 2, t->value, len);
6178 memcpy(pkt.data + len + 2, encd, sizeof(encd));
6179 ff_mov_write_packet(s, &pkt);
6180 av_freep(&pkt.data);
6188 static int mov_check_timecode_track(AVFormatContext *s, AVTimecode *tc, int src_index, const char *tcstr)
6192 /* compute the frame number */
6193 ret = av_timecode_init_from_string(tc, find_fps(s, s->streams[src_index]), tcstr, s);
6197 static int mov_create_timecode_track(AVFormatContext *s, int index, int src_index, AVTimecode tc)
6199 MOVMuxContext *mov = s->priv_data;
6200 MOVTrack *track = &mov->tracks[index];
6201 AVStream *src_st = s->streams[src_index];
6203 AVPacket pkt = { .data = data, .stream_index = index,
6204 .flags = AV_PKT_FLAG_KEY, .size = 4 };
6205 AVRational rate = find_fps(s, src_st);
6207 /* tmcd track based on video stream */
6208 track->mode = mov->mode;
6209 track->tag = MKTAG('t','m','c','d');
6210 track->src_track = src_index;
6211 track->timescale = mov->tracks[src_index].timescale;
6212 if (tc.flags & AV_TIMECODE_FLAG_DROPFRAME)
6213 track->timecode_flags |= MOV_TIMECODE_FLAG_DROPFRAME;
6215 /* set st to src_st for metadata access*/
6218 /* encode context: tmcd data stream */
6219 track->par = avcodec_parameters_alloc();
6221 return AVERROR(ENOMEM);
6222 track->par->codec_type = AVMEDIA_TYPE_DATA;
6223 track->par->codec_tag = track->tag;
6224 track->st->avg_frame_rate = av_inv_q(rate);
6226 /* the tmcd track just contains one packet with the frame number */
6227 AV_WB32(pkt.data, tc.start);
6228 return ff_mov_write_packet(s, &pkt);
6232 * st->disposition controls the "enabled" flag in the tkhd tag.
6233 * QuickTime will not play a track if it is not enabled. So make sure
6234 * that one track of each type (audio, video, subtitle) is enabled.
6236 * Subtitles are special. For audio and video, setting "enabled" also
6237 * makes the track "default" (i.e. it is rendered when played). For
6238 * subtitles, an "enabled" subtitle is not rendered by default, but
6239 * if no subtitle is enabled, the subtitle menu in QuickTime will be
6242 static void enable_tracks(AVFormatContext *s)
6244 MOVMuxContext *mov = s->priv_data;
6246 int enabled[AVMEDIA_TYPE_NB];
6247 int first[AVMEDIA_TYPE_NB];
6249 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
6254 for (i = 0; i < s->nb_streams; i++) {
6255 AVStream *st = s->streams[i];
6257 if (st->codecpar->codec_type <= AVMEDIA_TYPE_UNKNOWN ||
6258 st->codecpar->codec_type >= AVMEDIA_TYPE_NB ||
6262 if (first[st->codecpar->codec_type] < 0)
6263 first[st->codecpar->codec_type] = i;
6264 if (st->disposition & AV_DISPOSITION_DEFAULT) {
6265 mov->tracks[i].flags |= MOV_TRACK_ENABLED;
6266 enabled[st->codecpar->codec_type]++;
6270 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
6272 case AVMEDIA_TYPE_VIDEO:
6273 case AVMEDIA_TYPE_AUDIO:
6274 case AVMEDIA_TYPE_SUBTITLE:
6276 mov->per_stream_grouping = 1;
6277 if (!enabled[i] && first[i] >= 0)
6278 mov->tracks[first[i]].flags |= MOV_TRACK_ENABLED;
6284 static void mov_free(AVFormatContext *s)
6286 MOVMuxContext *mov = s->priv_data;
6292 if (mov->chapter_track) {
6293 avcodec_parameters_free(&mov->tracks[mov->chapter_track].par);
6296 for (i = 0; i < mov->nb_streams; i++) {
6297 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
6298 ff_mov_close_hinting(&mov->tracks[i]);
6299 else if (mov->tracks[i].tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd)
6300 av_freep(&mov->tracks[i].par);
6301 av_freep(&mov->tracks[i].cluster);
6302 av_freep(&mov->tracks[i].frag_info);
6303 av_packet_unref(&mov->tracks[i].cover_image);
6305 if (mov->tracks[i].eac3_priv) {
6306 struct eac3_info *info = mov->tracks[i].eac3_priv;
6307 av_packet_unref(&info->pkt);
6308 av_freep(&mov->tracks[i].eac3_priv);
6310 if (mov->tracks[i].vos_len)
6311 av_freep(&mov->tracks[i].vos_data);
6313 ff_mov_cenc_free(&mov->tracks[i].cenc);
6314 ffio_free_dyn_buf(&mov->tracks[i].mdat_buf);
6317 av_freep(&mov->tracks);
6318 ffio_free_dyn_buf(&mov->mdat_buf);
6321 static uint32_t rgb_to_yuv(uint32_t rgb)
6326 r = (rgb >> 16) & 0xFF;
6327 g = (rgb >> 8) & 0xFF;
6330 y = av_clip_uint8(( 16000 + 257 * r + 504 * g + 98 * b)/1000);
6331 cb = av_clip_uint8((128000 - 148 * r - 291 * g + 439 * b)/1000);
6332 cr = av_clip_uint8((128000 + 439 * r - 368 * g - 71 * b)/1000);
6334 return (y << 16) | (cr << 8) | cb;
6337 static int mov_create_dvd_sub_decoder_specific_info(MOVTrack *track,
6340 int i, width = 720, height = 480;
6341 int have_palette = 0, have_size = 0;
6342 uint32_t palette[16];
6343 char *cur = st->codecpar->extradata;
6345 while (cur && *cur) {
6346 if (strncmp("palette:", cur, 8) == 0) {
6348 count = sscanf(cur + 8,
6349 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
6350 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
6351 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
6352 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32"",
6353 &palette[ 0], &palette[ 1], &palette[ 2], &palette[ 3],
6354 &palette[ 4], &palette[ 5], &palette[ 6], &palette[ 7],
6355 &palette[ 8], &palette[ 9], &palette[10], &palette[11],
6356 &palette[12], &palette[13], &palette[14], &palette[15]);
6358 for (i = 0; i < count; i++) {
6359 palette[i] = rgb_to_yuv(palette[i]);
6362 } else if (!strncmp("size:", cur, 5)) {
6363 sscanf(cur + 5, "%dx%d", &width, &height);
6366 if (have_palette && have_size)
6368 cur += strcspn(cur, "\n\r");
6369 cur += strspn(cur, "\n\r");
6372 track->vos_data = av_malloc(16*4 + AV_INPUT_BUFFER_PADDING_SIZE);
6373 if (!track->vos_data)
6374 return AVERROR(ENOMEM);
6375 for (i = 0; i < 16; i++) {
6376 AV_WB32(track->vos_data + i * 4, palette[i]);
6378 memset(track->vos_data + 16*4, 0, AV_INPUT_BUFFER_PADDING_SIZE);
6379 track->vos_len = 16 * 4;
6381 st->codecpar->width = width;
6382 st->codecpar->height = track->height = height;
6387 static int mov_init(AVFormatContext *s)
6389 MOVMuxContext *mov = s->priv_data;
6390 AVDictionaryEntry *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
6395 /* Default mode == MP4 */
6396 mov->mode = MODE_MP4;
6399 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
6400 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
6401 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
6402 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
6403 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
6404 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
6405 else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V;
6408 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
6409 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV;
6411 /* Set the FRAGMENT flag if any of the fragmentation methods are
6413 if (mov->max_fragment_duration || mov->max_fragment_size ||
6414 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
6415 FF_MOV_FLAG_FRAG_KEYFRAME |
6416 FF_MOV_FLAG_FRAG_CUSTOM |
6417 FF_MOV_FLAG_FRAG_EVERY_FRAME))
6418 mov->flags |= FF_MOV_FLAG_FRAGMENT;
6420 /* Set other implicit flags immediately */
6421 if (mov->mode == MODE_ISM)
6422 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
6423 FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS;
6424 if (mov->flags & FF_MOV_FLAG_DASH)
6425 mov->flags |= FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_EMPTY_MOOV |
6426 FF_MOV_FLAG_DEFAULT_BASE_MOOF;
6427 if (mov->flags & FF_MOV_FLAG_CMAF)
6428 mov->flags |= FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_EMPTY_MOOV |
6429 FF_MOV_FLAG_DEFAULT_BASE_MOOF | FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS;
6431 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV && s->flags & AVFMT_FLAG_AUTO_BSF) {
6432 av_log(s, AV_LOG_VERBOSE, "Empty MOOV enabled; disabling automatic bitstream filtering\n");
6433 s->flags &= ~AVFMT_FLAG_AUTO_BSF;
6436 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX && mov->flags & FF_MOV_FLAG_SKIP_SIDX) {
6437 av_log(s, AV_LOG_WARNING, "Global SIDX enabled; Ignoring skip_sidx option\n");
6438 mov->flags &= ~FF_MOV_FLAG_SKIP_SIDX;
6441 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
6442 mov->reserved_moov_size = -1;
6445 if (mov->use_editlist < 0) {
6446 mov->use_editlist = 1;
6447 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
6448 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6449 // If we can avoid needing an edit list by shifting the
6450 // tracks, prefer that over (trying to) write edit lists
6451 // in fragmented output.
6452 if (s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO ||
6453 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO)
6454 mov->use_editlist = 0;
6456 if (mov->flags & FF_MOV_FLAG_CMAF) {
6457 // CMAF Track requires negative cts offsets without edit lists
6458 mov->use_editlist = 0;
6461 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
6462 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV) && mov->use_editlist)
6463 av_log(s, AV_LOG_WARNING, "No meaningful edit list will be written when using empty_moov without delay_moov\n");
6465 if (mov->flags & FF_MOV_FLAG_CMAF && mov->use_editlist) {
6466 av_log(s, AV_LOG_WARNING, "Edit list enabled; Assuming writing CMAF Track File\n");
6467 mov->flags &= ~FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS;
6469 if (!mov->use_editlist && s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO &&
6470 !(mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS))
6471 s->avoid_negative_ts = AVFMT_AVOID_NEG_TS_MAKE_ZERO;
6473 /* Clear the omit_tfhd_offset flag if default_base_moof is set;
6474 * if the latter is set that's enough and omit_tfhd_offset doesn't
6475 * add anything extra on top of that. */
6476 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
6477 mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
6478 mov->flags &= ~FF_MOV_FLAG_OMIT_TFHD_OFFSET;
6480 if (mov->frag_interleave &&
6481 mov->flags & (FF_MOV_FLAG_OMIT_TFHD_OFFSET | FF_MOV_FLAG_SEPARATE_MOOF)) {
6482 av_log(s, AV_LOG_ERROR,
6483 "Sample interleaving in fragments is mutually exclusive with "
6484 "omit_tfhd_offset and separate_moof\n");
6485 return AVERROR(EINVAL);
6488 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
6489 * is enabled, we don't support non-seekable output at all. */
6490 if (!(s->pb->seekable & AVIO_SEEKABLE_NORMAL) &&
6491 (!(mov->flags & FF_MOV_FLAG_FRAGMENT) || mov->ism_lookahead)) {
6492 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
6493 return AVERROR(EINVAL);
6496 mov->nb_streams = s->nb_streams;
6497 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
6498 mov->chapter_track = mov->nb_streams++;
6500 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6501 for (i = 0; i < s->nb_streams; i++)
6502 if (rtp_hinting_needed(s->streams[i]))
6506 if ( mov->write_tmcd == -1 && (mov->mode == MODE_MOV || mov->mode == MODE_MP4)
6507 || mov->write_tmcd == 1) {
6508 /* +1 tmcd track for each video stream with a timecode */
6509 for (i = 0; i < s->nb_streams; i++) {
6510 AVStream *st = s->streams[i];
6511 AVDictionaryEntry *t = global_tcr;
6512 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO &&
6513 (t || (t=av_dict_get(st->metadata, "timecode", NULL, 0)))) {
6515 ret = mov_check_timecode_track(s, &tc, i, t->value);
6517 mov->nb_meta_tmcd++;
6521 /* check if there is already a tmcd track to remux */
6522 if (mov->nb_meta_tmcd) {
6523 for (i = 0; i < s->nb_streams; i++) {
6524 AVStream *st = s->streams[i];
6525 if (st->codecpar->codec_tag == MKTAG('t','m','c','d')) {
6526 av_log(s, AV_LOG_WARNING, "You requested a copy of the original timecode track "
6527 "so timecode metadata are now ignored\n");
6528 mov->nb_meta_tmcd = 0;
6533 mov->nb_streams += mov->nb_meta_tmcd;
6536 // Reserve an extra stream for chapters for the case where chapters
6537 // are written in the trailer
6538 mov->tracks = av_mallocz_array((mov->nb_streams + 1), sizeof(*mov->tracks));
6540 return AVERROR(ENOMEM);
6542 if (mov->encryption_scheme_str != NULL && strcmp(mov->encryption_scheme_str, "none") != 0) {
6543 if (strcmp(mov->encryption_scheme_str, "cenc-aes-ctr") == 0) {
6544 mov->encryption_scheme = MOV_ENC_CENC_AES_CTR;
6546 if (mov->encryption_key_len != AES_CTR_KEY_SIZE) {
6547 av_log(s, AV_LOG_ERROR, "Invalid encryption key len %d expected %d\n",
6548 mov->encryption_key_len, AES_CTR_KEY_SIZE);
6549 return AVERROR(EINVAL);
6552 if (mov->encryption_kid_len != CENC_KID_SIZE) {
6553 av_log(s, AV_LOG_ERROR, "Invalid encryption kid len %d expected %d\n",
6554 mov->encryption_kid_len, CENC_KID_SIZE);
6555 return AVERROR(EINVAL);
6558 av_log(s, AV_LOG_ERROR, "unsupported encryption scheme %s\n",
6559 mov->encryption_scheme_str);
6560 return AVERROR(EINVAL);
6564 for (i = 0; i < s->nb_streams; i++) {
6565 AVStream *st= s->streams[i];
6566 MOVTrack *track= &mov->tracks[i];
6567 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
6570 track->par = st->codecpar;
6571 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
6572 if (track->language < 0)
6573 track->language = 32767; // Unspecified Macintosh language code
6574 track->mode = mov->mode;
6575 track->tag = mov_find_codec_tag(s, track);
6577 av_log(s, AV_LOG_ERROR, "Could not find tag for codec %s in stream #%d, "
6578 "codec not currently supported in container\n",
6579 avcodec_get_name(st->codecpar->codec_id), i);
6580 return AVERROR(EINVAL);
6582 /* If hinting of this track is enabled by a later hint track,
6583 * this is updated. */
6584 track->hint_track = -1;
6585 track->start_dts = AV_NOPTS_VALUE;
6586 track->start_cts = AV_NOPTS_VALUE;
6587 track->end_pts = AV_NOPTS_VALUE;
6588 track->dts_shift = AV_NOPTS_VALUE;
6589 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
6590 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
6591 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
6592 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
6593 if (st->codecpar->width != 720 || (st->codecpar->height != 608 && st->codecpar->height != 512)) {
6594 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
6595 return AVERROR(EINVAL);
6597 track->height = track->tag >> 24 == 'n' ? 486 : 576;
6599 if (mov->video_track_timescale) {
6600 track->timescale = mov->video_track_timescale;
6601 if (mov->mode == MODE_ISM && mov->video_track_timescale != 10000000)
6602 av_log(s, AV_LOG_WARNING, "Warning: some tools, like mp4split, assume a timescale of 10000000 for ISMV.\n");
6604 track->timescale = st->time_base.den;
6605 while(track->timescale < 10000)
6606 track->timescale *= 2;
6608 if (st->codecpar->width > 65535 || st->codecpar->height > 65535) {
6609 av_log(s, AV_LOG_ERROR, "Resolution %dx%d too large for mov/mp4\n", st->codecpar->width, st->codecpar->height);
6610 return AVERROR(EINVAL);
6612 if (track->mode == MODE_MOV && track->timescale > 100000)
6613 av_log(s, AV_LOG_WARNING,
6614 "WARNING codec timebase is very high. If duration is too long,\n"
6615 "file may not be playable by quicktime. Specify a shorter timebase\n"
6616 "or choose different container.\n");
6617 if (track->mode == MODE_MOV &&
6618 track->par->codec_id == AV_CODEC_ID_RAWVIDEO &&
6619 track->tag == MKTAG('r','a','w',' ')) {
6620 enum AVPixelFormat pix_fmt = track->par->format;
6621 if (pix_fmt == AV_PIX_FMT_NONE && track->par->bits_per_coded_sample == 1)
6622 pix_fmt = AV_PIX_FMT_MONOWHITE;
6623 track->is_unaligned_qt_rgb =
6624 pix_fmt == AV_PIX_FMT_RGB24 ||
6625 pix_fmt == AV_PIX_FMT_BGR24 ||
6626 pix_fmt == AV_PIX_FMT_PAL8 ||
6627 pix_fmt == AV_PIX_FMT_GRAY8 ||
6628 pix_fmt == AV_PIX_FMT_MONOWHITE ||
6629 pix_fmt == AV_PIX_FMT_MONOBLACK;
6631 if (track->par->codec_id == AV_CODEC_ID_VP9 ||
6632 track->par->codec_id == AV_CODEC_ID_AV1) {
6633 if (track->mode != MODE_MP4) {
6634 av_log(s, AV_LOG_ERROR, "%s only supported in MP4.\n", avcodec_get_name(track->par->codec_id));
6635 return AVERROR(EINVAL);
6637 } else if (track->par->codec_id == AV_CODEC_ID_VP8) {
6638 /* altref frames handling is not defined in the spec as of version v1.0,
6639 * so just forbid muxing VP8 streams altogether until a new version does */
6640 av_log(s, AV_LOG_ERROR, "VP8 muxing is currently not supported.\n");
6641 return AVERROR_PATCHWELCOME;
6643 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
6644 track->timescale = st->codecpar->sample_rate;
6645 if (!st->codecpar->frame_size && !av_get_bits_per_sample(st->codecpar->codec_id)) {
6646 av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i);
6647 track->audio_vbr = 1;
6648 }else if (st->codecpar->codec_id == AV_CODEC_ID_ADPCM_MS ||
6649 st->codecpar->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
6650 st->codecpar->codec_id == AV_CODEC_ID_ILBC){
6651 if (!st->codecpar->block_align) {
6652 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
6653 return AVERROR(EINVAL);
6655 track->sample_size = st->codecpar->block_align;
6656 }else if (st->codecpar->frame_size > 1){ /* assume compressed audio */
6657 track->audio_vbr = 1;
6659 track->sample_size = (av_get_bits_per_sample(st->codecpar->codec_id) >> 3) * st->codecpar->channels;
6661 if (st->codecpar->codec_id == AV_CODEC_ID_ILBC ||
6662 st->codecpar->codec_id == AV_CODEC_ID_ADPCM_IMA_QT) {
6663 track->audio_vbr = 1;
6665 if (track->mode != MODE_MOV &&
6666 track->par->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
6667 if (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL) {
6668 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not standard, to mux anyway set strict to -1\n",
6669 i, track->par->sample_rate);
6670 return AVERROR(EINVAL);
6672 av_log(s, AV_LOG_WARNING, "track %d: muxing mp3 at %dhz is not standard in MP4\n",
6673 i, track->par->sample_rate);
6676 if (track->par->codec_id == AV_CODEC_ID_FLAC ||
6677 track->par->codec_id == AV_CODEC_ID_TRUEHD ||
6678 track->par->codec_id == AV_CODEC_ID_OPUS) {
6679 if (track->mode != MODE_MP4) {
6680 av_log(s, AV_LOG_ERROR, "%s only supported in MP4.\n", avcodec_get_name(track->par->codec_id));
6681 return AVERROR(EINVAL);
6683 if (track->par->codec_id != AV_CODEC_ID_OPUS &&
6684 s->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
6685 av_log(s, AV_LOG_ERROR,
6686 "%s in MP4 support is experimental, add "
6687 "'-strict %d' if you want to use it.\n",
6688 avcodec_get_name(track->par->codec_id), FF_COMPLIANCE_EXPERIMENTAL);
6689 return AVERROR_EXPERIMENTAL;
6692 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) {
6693 track->timescale = st->time_base.den;
6694 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_DATA) {
6695 track->timescale = st->time_base.den;
6697 track->timescale = MOV_TIMESCALE;
6700 track->height = st->codecpar->height;
6701 /* The Protected Interoperable File Format (PIFF) standard, used by ISMV recommends but
6702 doesn't mandate a track timescale of 10,000,000. The muxer allows a custom timescale
6703 for video tracks, so if user-set, it isn't overwritten */
6704 if (mov->mode == MODE_ISM &&
6705 (st->codecpar->codec_type != AVMEDIA_TYPE_VIDEO ||
6706 (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO && !mov->video_track_timescale))) {
6707 track->timescale = 10000000;
6710 avpriv_set_pts_info(st, 64, 1, track->timescale);
6712 if (mov->encryption_scheme == MOV_ENC_CENC_AES_CTR) {
6713 ret = ff_mov_cenc_init(&track->cenc, mov->encryption_key,
6714 track->par->codec_id == AV_CODEC_ID_H264, s->flags & AVFMT_FLAG_BITEXACT);
6724 static int mov_write_header(AVFormatContext *s)
6726 AVIOContext *pb = s->pb;
6727 MOVMuxContext *mov = s->priv_data;
6728 AVDictionaryEntry *t, *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
6729 int i, ret, hint_track = 0, tmcd_track = 0, nb_tracks = s->nb_streams;
6731 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
6734 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6735 hint_track = nb_tracks;
6736 for (i = 0; i < s->nb_streams; i++)
6737 if (rtp_hinting_needed(s->streams[i]))
6741 if (mov->nb_meta_tmcd)
6742 tmcd_track = nb_tracks;
6744 for (i = 0; i < s->nb_streams; i++) {
6746 AVStream *st= s->streams[i];
6747 MOVTrack *track= &mov->tracks[i];
6749 /* copy extradata if it exists */
6750 if (st->codecpar->extradata_size) {
6751 if (st->codecpar->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
6752 mov_create_dvd_sub_decoder_specific_info(track, st);
6753 else if (!TAG_IS_AVCI(track->tag) && st->codecpar->codec_id != AV_CODEC_ID_DNXHD) {
6754 track->vos_len = st->codecpar->extradata_size;
6755 track->vos_data = av_malloc(track->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
6756 if (!track->vos_data) {
6757 return AVERROR(ENOMEM);
6759 memcpy(track->vos_data, st->codecpar->extradata, track->vos_len);
6760 memset(track->vos_data + track->vos_len, 0, AV_INPUT_BUFFER_PADDING_SIZE);
6764 if (st->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ||
6765 track->par->channel_layout != AV_CH_LAYOUT_MONO)
6768 for (j = 0; j < s->nb_streams; j++) {
6769 AVStream *stj= s->streams[j];
6770 MOVTrack *trackj= &mov->tracks[j];
6774 if (stj->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ||
6775 trackj->par->channel_layout != AV_CH_LAYOUT_MONO ||
6776 trackj->language != track->language ||
6777 trackj->tag != track->tag
6780 track->multichannel_as_mono++;
6784 if (!(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6785 if ((ret = mov_write_identification(pb, s)) < 0)
6789 if (mov->reserved_moov_size){
6790 mov->reserved_header_pos = avio_tell(pb);
6791 if (mov->reserved_moov_size > 0)
6792 avio_skip(pb, mov->reserved_moov_size);
6795 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
6796 /* If no fragmentation options have been set, set a default. */
6797 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
6798 FF_MOV_FLAG_FRAG_CUSTOM |
6799 FF_MOV_FLAG_FRAG_EVERY_FRAME)) &&
6800 !mov->max_fragment_duration && !mov->max_fragment_size)
6801 mov->flags |= FF_MOV_FLAG_FRAG_KEYFRAME;
6803 if (mov->flags & FF_MOV_FLAG_FASTSTART)
6804 mov->reserved_header_pos = avio_tell(pb);
6805 mov_write_mdat_tag(pb, mov);
6808 ff_parse_creation_time_metadata(s, &mov->time, 1);
6810 mov->time += 0x7C25B080; // 1970 based -> 1904 based
6812 if (mov->chapter_track)
6813 if ((ret = mov_create_chapter_track(s, mov->chapter_track)) < 0)
6816 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6817 for (i = 0; i < s->nb_streams; i++) {
6818 if (rtp_hinting_needed(s->streams[i])) {
6819 if ((ret = ff_mov_init_hinting(s, hint_track, i)) < 0)
6826 if (mov->nb_meta_tmcd) {
6827 /* Initialize the tmcd tracks */
6828 for (i = 0; i < s->nb_streams; i++) {
6829 AVStream *st = s->streams[i];
6832 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
6835 t = av_dict_get(st->metadata, "timecode", NULL, 0);
6838 if (mov_check_timecode_track(s, &tc, i, t->value) < 0)
6840 if ((ret = mov_create_timecode_track(s, tmcd_track, i, tc)) < 0)
6849 if (mov->flags & FF_MOV_FLAG_ISML)
6850 mov_write_isml_manifest(pb, mov, s);
6852 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
6853 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6854 if ((ret = mov_write_moov_tag(pb, mov, s)) < 0)
6856 mov->moov_written = 1;
6857 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
6858 mov->reserved_header_pos = avio_tell(pb);
6864 static int get_moov_size(AVFormatContext *s)
6867 AVIOContext *moov_buf;
6868 MOVMuxContext *mov = s->priv_data;
6870 if ((ret = ffio_open_null_buf(&moov_buf)) < 0)
6872 if ((ret = mov_write_moov_tag(moov_buf, mov, s)) < 0)
6874 return ffio_close_null_buf(moov_buf);
6877 static int get_sidx_size(AVFormatContext *s)
6881 MOVMuxContext *mov = s->priv_data;
6883 if ((ret = ffio_open_null_buf(&buf)) < 0)
6885 mov_write_sidx_tags(buf, mov, -1, 0);
6886 return ffio_close_null_buf(buf);
6890 * This function gets the moov size if moved to the top of the file: the chunk
6891 * offset table can switch between stco (32-bit entries) to co64 (64-bit
6892 * entries) when the moov is moved to the beginning, so the size of the moov
6893 * would change. It also updates the chunk offset tables.
6895 static int compute_moov_size(AVFormatContext *s)
6897 int i, moov_size, moov_size2;
6898 MOVMuxContext *mov = s->priv_data;
6900 moov_size = get_moov_size(s);
6904 for (i = 0; i < mov->nb_streams; i++)
6905 mov->tracks[i].data_offset += moov_size;
6907 moov_size2 = get_moov_size(s);
6911 /* if the size changed, we just switched from stco to co64 and need to
6912 * update the offsets */
6913 if (moov_size2 != moov_size)
6914 for (i = 0; i < mov->nb_streams; i++)
6915 mov->tracks[i].data_offset += moov_size2 - moov_size;
6920 static int compute_sidx_size(AVFormatContext *s)
6923 MOVMuxContext *mov = s->priv_data;
6925 sidx_size = get_sidx_size(s);
6929 for (i = 0; i < mov->nb_streams; i++)
6930 mov->tracks[i].data_offset += sidx_size;
6935 static int shift_data(AVFormatContext *s)
6937 int ret = 0, moov_size;
6938 MOVMuxContext *mov = s->priv_data;
6939 int64_t pos, pos_end;
6940 uint8_t *buf, *read_buf[2];
6941 int read_buf_id = 0;
6943 AVIOContext *read_pb;
6945 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
6946 moov_size = compute_sidx_size(s);
6948 moov_size = compute_moov_size(s);
6952 buf = av_malloc(moov_size * 2);
6954 return AVERROR(ENOMEM);
6956 read_buf[1] = buf + moov_size;
6958 /* Shift the data: the AVIO context of the output can only be used for
6959 * writing, so we re-open the same output, but for reading. It also avoids
6960 * a read/seek/write/seek back and forth. */
6962 ret = s->io_open(s, &read_pb, s->url, AVIO_FLAG_READ, NULL);
6964 av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for "
6965 "the second pass (faststart)\n", s->url);
6969 /* mark the end of the shift to up to the last data we wrote, and get ready
6971 pos_end = avio_tell(s->pb);
6972 avio_seek(s->pb, mov->reserved_header_pos + moov_size, SEEK_SET);
6974 /* start reading at where the new moov will be placed */
6975 avio_seek(read_pb, mov->reserved_header_pos, SEEK_SET);
6976 pos = avio_tell(read_pb);
6978 #define READ_BLOCK do { \
6979 read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
6983 /* shift data by chunk of at most moov_size */
6988 n = read_size[read_buf_id];
6991 avio_write(s->pb, read_buf[read_buf_id], n);
6993 } while (pos < pos_end);
6994 ff_format_io_close(s, &read_pb);
7001 static int mov_write_trailer(AVFormatContext *s)
7003 MOVMuxContext *mov = s->priv_data;
7004 AVIOContext *pb = s->pb;
7009 if (mov->need_rewrite_extradata) {
7010 for (i = 0; i < s->nb_streams; i++) {
7011 MOVTrack *track = &mov->tracks[i];
7012 AVCodecParameters *par = track->par;
7014 track->vos_len = par->extradata_size;
7015 av_freep(&track->vos_data);
7016 track->vos_data = av_malloc(track->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
7017 if (!track->vos_data)
7018 return AVERROR(ENOMEM);
7019 memcpy(track->vos_data, par->extradata, track->vos_len);
7020 memset(track->vos_data + track->vos_len, 0, AV_INPUT_BUFFER_PADDING_SIZE);
7022 mov->need_rewrite_extradata = 0;
7026 * Before actually writing the trailer, make sure that there are no
7027 * dangling subtitles, that need a terminating sample.
7029 for (i = 0; i < mov->nb_streams; i++) {
7030 MOVTrack *trk = &mov->tracks[i];
7031 if (trk->par->codec_id == AV_CODEC_ID_MOV_TEXT &&
7032 !trk->last_sample_is_subtitle_end) {
7033 mov_write_subtitle_end_packet(s, i, trk->track_duration);
7034 trk->last_sample_is_subtitle_end = 1;
7038 // If there were no chapters when the header was written, but there
7039 // are chapters now, write them in the trailer. This only works
7040 // when we are not doing fragments.
7041 if (!mov->chapter_track && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
7042 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters) {
7043 mov->chapter_track = mov->nb_streams++;
7044 if ((res = mov_create_chapter_track(s, mov->chapter_track)) < 0)
7049 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
7050 moov_pos = avio_tell(pb);
7052 /* Write size of mdat tag */
7053 if (mov->mdat_size + 8 <= UINT32_MAX) {
7054 avio_seek(pb, mov->mdat_pos, SEEK_SET);
7055 avio_wb32(pb, mov->mdat_size + 8);
7057 /* overwrite 'wide' placeholder atom */
7058 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
7059 /* special value: real atom size will be 64 bit value after
7062 ffio_wfourcc(pb, "mdat");
7063 avio_wb64(pb, mov->mdat_size + 16);
7065 avio_seek(pb, mov->reserved_moov_size > 0 ? mov->reserved_header_pos : moov_pos, SEEK_SET);
7067 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
7068 av_log(s, AV_LOG_INFO, "Starting second pass: moving the moov atom to the beginning of the file\n");
7069 res = shift_data(s);
7072 avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
7073 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
7075 } else if (mov->reserved_moov_size > 0) {
7077 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
7079 size = mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_header_pos);
7081 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
7082 return AVERROR(EINVAL);
7084 avio_wb32(pb, size);
7085 ffio_wfourcc(pb, "free");
7086 ffio_fill(pb, 0, size - 8);
7087 avio_seek(pb, moov_pos, SEEK_SET);
7089 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
7094 mov_auto_flush_fragment(s, 1);
7095 for (i = 0; i < mov->nb_streams; i++)
7096 mov->tracks[i].data_offset = 0;
7097 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX) {
7099 av_log(s, AV_LOG_INFO, "Starting second pass: inserting sidx atoms\n");
7100 res = shift_data(s);
7103 end = avio_tell(pb);
7104 avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
7105 mov_write_sidx_tags(pb, mov, -1, 0);
7106 avio_seek(pb, end, SEEK_SET);
7108 if (!(mov->flags & FF_MOV_FLAG_SKIP_TRAILER)) {
7109 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_TRAILER);
7110 res = mov_write_mfra_tag(pb, mov);
7119 static int mov_check_bitstream(struct AVFormatContext *s, const AVPacket *pkt)
7122 AVStream *st = s->streams[pkt->stream_index];
7124 if (st->codecpar->codec_id == AV_CODEC_ID_AAC) {
7125 if (pkt->size > 2 && (AV_RB16(pkt->data) & 0xfff0) == 0xfff0)
7126 ret = ff_stream_add_bitstream_filter(st, "aac_adtstoasc", NULL);
7127 } else if (st->codecpar->codec_id == AV_CODEC_ID_VP9) {
7128 ret = ff_stream_add_bitstream_filter(st, "vp9_superframe", NULL);
7134 static const AVCodecTag codec_3gp_tags[] = {
7135 { AV_CODEC_ID_H263, MKTAG('s','2','6','3') },
7136 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
7137 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
7138 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
7139 { AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
7140 { AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
7141 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
7142 { AV_CODEC_ID_NONE, 0 },
7145 static const AVCodecTag codec_mp4_tags[] = {
7146 { AV_CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
7147 { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') },
7148 { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '3') },
7149 { AV_CODEC_ID_HEVC, MKTAG('h', 'e', 'v', '1') },
7150 { AV_CODEC_ID_HEVC, MKTAG('h', 'v', 'c', '1') },
7151 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', '4', 'v') },
7152 { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', '4', 'v') },
7153 { AV_CODEC_ID_MJPEG, MKTAG('m', 'p', '4', 'v') },
7154 { AV_CODEC_ID_PNG, MKTAG('m', 'p', '4', 'v') },
7155 { AV_CODEC_ID_JPEG2000, MKTAG('m', 'p', '4', 'v') },
7156 { AV_CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') },
7157 { AV_CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
7158 { AV_CODEC_ID_TSCC2, MKTAG('m', 'p', '4', 'v') },
7159 { AV_CODEC_ID_VP9, MKTAG('v', 'p', '0', '9') },
7160 { AV_CODEC_ID_AV1, MKTAG('a', 'v', '0', '1') },
7161 { AV_CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
7162 { AV_CODEC_ID_ALAC, MKTAG('a', 'l', 'a', 'c') },
7163 { AV_CODEC_ID_MP4ALS, MKTAG('m', 'p', '4', 'a') },
7164 { AV_CODEC_ID_MP3, MKTAG('m', 'p', '4', 'a') },
7165 { AV_CODEC_ID_MP2, MKTAG('m', 'p', '4', 'a') },
7166 { AV_CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') },
7167 { AV_CODEC_ID_EAC3, MKTAG('e', 'c', '-', '3') },
7168 { AV_CODEC_ID_DTS, MKTAG('m', 'p', '4', 'a') },
7169 { AV_CODEC_ID_TRUEHD, MKTAG('m', 'l', 'p', 'a') },
7170 { AV_CODEC_ID_FLAC, MKTAG('f', 'L', 'a', 'C') },
7171 { AV_CODEC_ID_OPUS, MKTAG('O', 'p', 'u', 's') },
7172 { AV_CODEC_ID_VORBIS, MKTAG('m', 'p', '4', 'a') },
7173 { AV_CODEC_ID_QCELP, MKTAG('m', 'p', '4', 'a') },
7174 { AV_CODEC_ID_EVRC, MKTAG('m', 'p', '4', 'a') },
7175 { AV_CODEC_ID_DVD_SUBTITLE, MKTAG('m', 'p', '4', 's') },
7176 { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
7177 { AV_CODEC_ID_BIN_DATA, MKTAG('g', 'p', 'm', 'd') },
7178 { AV_CODEC_ID_MPEGH_3D_AUDIO, MKTAG('m', 'h', 'm', '1') },
7179 { AV_CODEC_ID_NONE, 0 },
7182 static const AVCodecTag codec_ism_tags[] = {
7183 { AV_CODEC_ID_WMAPRO , MKTAG('w', 'm', 'a', ' ') },
7184 { AV_CODEC_ID_NONE , 0 },
7187 static const AVCodecTag codec_ipod_tags[] = {
7188 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
7189 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
7190 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
7191 { AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') },
7192 { AV_CODEC_ID_AC3, MKTAG('a','c','-','3') },
7193 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
7194 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
7195 { AV_CODEC_ID_NONE, 0 },
7198 static const AVCodecTag codec_f4v_tags[] = {
7199 { AV_CODEC_ID_MP3, MKTAG('.','m','p','3') },
7200 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
7201 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
7202 { AV_CODEC_ID_VP6A, MKTAG('V','P','6','A') },
7203 { AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') },
7204 { AV_CODEC_ID_NONE, 0 },
7207 #if CONFIG_MOV_MUXER
7209 AVOutputFormat ff_mov_muxer = {
7211 .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
7212 .extensions = "mov",
7213 .priv_data_size = sizeof(MOVMuxContext),
7214 .audio_codec = AV_CODEC_ID_AAC,
7215 .video_codec = CONFIG_LIBX264_ENCODER ?
7216 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
7218 .write_header = mov_write_header,
7219 .write_packet = mov_write_packet,
7220 .write_trailer = mov_write_trailer,
7222 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7223 .codec_tag = (const AVCodecTag* const []){
7224 ff_codec_movvideo_tags, ff_codec_movaudio_tags, ff_codec_movsubtitle_tags, 0
7226 .check_bitstream = mov_check_bitstream,
7227 .priv_class = &mov_muxer_class,
7230 #if CONFIG_TGP_MUXER
7232 AVOutputFormat ff_tgp_muxer = {
7234 .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
7235 .extensions = "3gp",
7236 .priv_data_size = sizeof(MOVMuxContext),
7237 .audio_codec = AV_CODEC_ID_AMR_NB,
7238 .video_codec = AV_CODEC_ID_H263,
7240 .write_header = mov_write_header,
7241 .write_packet = mov_write_packet,
7242 .write_trailer = mov_write_trailer,
7244 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7245 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
7246 .check_bitstream = mov_check_bitstream,
7247 .priv_class = &tgp_muxer_class,
7250 #if CONFIG_MP4_MUXER
7252 AVOutputFormat ff_mp4_muxer = {
7254 .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
7255 .mime_type = "video/mp4",
7256 .extensions = "mp4",
7257 .priv_data_size = sizeof(MOVMuxContext),
7258 .audio_codec = AV_CODEC_ID_AAC,
7259 .video_codec = CONFIG_LIBX264_ENCODER ?
7260 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
7262 .write_header = mov_write_header,
7263 .write_packet = mov_write_packet,
7264 .write_trailer = mov_write_trailer,
7266 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7267 .codec_tag = (const AVCodecTag* const []){ codec_mp4_tags, 0 },
7268 .check_bitstream = mov_check_bitstream,
7269 .priv_class = &mp4_muxer_class,
7272 #if CONFIG_PSP_MUXER
7274 AVOutputFormat ff_psp_muxer = {
7276 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
7277 .extensions = "mp4,psp",
7278 .priv_data_size = sizeof(MOVMuxContext),
7279 .audio_codec = AV_CODEC_ID_AAC,
7280 .video_codec = CONFIG_LIBX264_ENCODER ?
7281 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
7283 .write_header = mov_write_header,
7284 .write_packet = mov_write_packet,
7285 .write_trailer = mov_write_trailer,
7287 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7288 .codec_tag = (const AVCodecTag* const []){ codec_mp4_tags, 0 },
7289 .check_bitstream = mov_check_bitstream,
7290 .priv_class = &psp_muxer_class,
7293 #if CONFIG_TG2_MUXER
7295 AVOutputFormat ff_tg2_muxer = {
7297 .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
7298 .extensions = "3g2",
7299 .priv_data_size = sizeof(MOVMuxContext),
7300 .audio_codec = AV_CODEC_ID_AMR_NB,
7301 .video_codec = AV_CODEC_ID_H263,
7303 .write_header = mov_write_header,
7304 .write_packet = mov_write_packet,
7305 .write_trailer = mov_write_trailer,
7307 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7308 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
7309 .check_bitstream = mov_check_bitstream,
7310 .priv_class = &tg2_muxer_class,
7313 #if CONFIG_IPOD_MUXER
7315 AVOutputFormat ff_ipod_muxer = {
7317 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
7318 .mime_type = "video/mp4",
7319 .extensions = "m4v,m4a,m4b",
7320 .priv_data_size = sizeof(MOVMuxContext),
7321 .audio_codec = AV_CODEC_ID_AAC,
7322 .video_codec = AV_CODEC_ID_H264,
7324 .write_header = mov_write_header,
7325 .write_packet = mov_write_packet,
7326 .write_trailer = mov_write_trailer,
7328 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7329 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
7330 .check_bitstream = mov_check_bitstream,
7331 .priv_class = &ipod_muxer_class,
7334 #if CONFIG_ISMV_MUXER
7336 AVOutputFormat ff_ismv_muxer = {
7338 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
7339 .mime_type = "video/mp4",
7340 .extensions = "ismv,isma",
7341 .priv_data_size = sizeof(MOVMuxContext),
7342 .audio_codec = AV_CODEC_ID_AAC,
7343 .video_codec = AV_CODEC_ID_H264,
7345 .write_header = mov_write_header,
7346 .write_packet = mov_write_packet,
7347 .write_trailer = mov_write_trailer,
7349 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7350 .codec_tag = (const AVCodecTag* const []){
7351 codec_mp4_tags, codec_ism_tags, 0 },
7352 .check_bitstream = mov_check_bitstream,
7353 .priv_class = &ismv_muxer_class,
7356 #if CONFIG_F4V_MUXER
7358 AVOutputFormat ff_f4v_muxer = {
7360 .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
7361 .mime_type = "application/f4v",
7362 .extensions = "f4v",
7363 .priv_data_size = sizeof(MOVMuxContext),
7364 .audio_codec = AV_CODEC_ID_AAC,
7365 .video_codec = AV_CODEC_ID_H264,
7367 .write_header = mov_write_header,
7368 .write_packet = mov_write_packet,
7369 .write_trailer = mov_write_trailer,
7371 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
7372 .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 },
7373 .check_bitstream = mov_check_bitstream,
7374 .priv_class = &f4v_muxer_class,