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 if (!tag || (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
1657 (track->par->codec_id == AV_CODEC_ID_DVVIDEO ||
1658 track->par->codec_id == AV_CODEC_ID_RAWVIDEO ||
1659 track->par->codec_id == AV_CODEC_ID_H263 ||
1660 track->par->codec_id == AV_CODEC_ID_H264 ||
1661 track->par->codec_id == AV_CODEC_ID_DNXHD ||
1662 track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO ||
1663 av_get_bits_per_sample(track->par->codec_id)))) { // pcm audio
1664 if (track->par->codec_id == AV_CODEC_ID_DVVIDEO)
1665 tag = mov_get_dv_codec_tag(s, track);
1666 else if (track->par->codec_id == AV_CODEC_ID_RAWVIDEO)
1667 tag = mov_get_rawvideo_codec_tag(s, track);
1668 else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO)
1669 tag = mov_get_mpeg2_xdcam_codec_tag(s, track);
1670 else if (track->par->codec_id == AV_CODEC_ID_H264)
1671 tag = mov_get_h264_codec_tag(s, track);
1672 else if (track->par->codec_id == AV_CODEC_ID_DNXHD)
1673 tag = mov_get_dnxhd_codec_tag(s, track);
1674 else if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
1675 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->par->codec_id);
1676 if (!tag) { // if no mac fcc found, try with Microsoft tags
1677 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->par->codec_id);
1679 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
1680 "the file may be unplayable!\n");
1682 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
1683 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->par->codec_id);
1684 if (!tag) { // if no mac fcc found, try with Microsoft tags
1685 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->par->codec_id);
1687 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
1688 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
1689 "the file may be unplayable!\n");
1692 } else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)
1693 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->par->codec_id);
1699 static const AVCodecTag codec_cover_image_tags[] = {
1700 { AV_CODEC_ID_MJPEG, 0xD },
1701 { AV_CODEC_ID_PNG, 0xE },
1702 { AV_CODEC_ID_BMP, 0x1B },
1703 { AV_CODEC_ID_NONE, 0 },
1706 static unsigned int validate_codec_tag(const AVCodecTag *const *tags,
1707 unsigned int tag, int codec_id)
1712 * Check that tag + id is in the table
1714 for (i = 0; tags && tags[i]; i++) {
1715 const AVCodecTag *codec_tags = tags[i];
1716 while (codec_tags->id != AV_CODEC_ID_NONE) {
1717 if (avpriv_toupper4(codec_tags->tag) == avpriv_toupper4(tag) &&
1718 codec_tags->id == codec_id)
1719 return codec_tags->tag;
1726 static unsigned int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
1728 if (is_cover_image(track->st))
1729 return ff_codec_get_tag(codec_cover_image_tags, track->par->codec_id);
1731 if (track->mode == MODE_IPOD)
1732 if (!av_match_ext(s->url, "m4a") &&
1733 !av_match_ext(s->url, "m4v") &&
1734 !av_match_ext(s->url, "m4b"))
1735 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
1736 "Quicktime/Ipod might not play the file\n");
1738 if (track->mode == MODE_MOV) {
1739 return mov_get_codec_tag(s, track);
1741 return validate_codec_tag(s->oformat->codec_tag, track->par->codec_tag,
1742 track->par->codec_id);
1745 /** Write uuid atom.
1746 * Needed to make file play in iPods running newest firmware
1747 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
1749 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
1752 ffio_wfourcc(pb, "uuid");
1753 avio_wb32(pb, 0x6b6840f2);
1754 avio_wb32(pb, 0x5f244fc5);
1755 avio_wb32(pb, 0xba39a51b);
1756 avio_wb32(pb, 0xcf0323f3);
1761 static const uint16_t fiel_data[] = {
1762 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
1765 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track, int field_order)
1767 unsigned mov_field_order = 0;
1768 if (field_order < FF_ARRAY_ELEMS(fiel_data))
1769 mov_field_order = fiel_data[field_order];
1773 ffio_wfourcc(pb, "fiel");
1774 avio_wb16(pb, mov_field_order);
1778 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
1780 int ret = AVERROR_BUG;
1781 int64_t pos = avio_tell(pb);
1782 avio_wb32(pb, 0); /* size */
1783 avio_wl32(pb, track->tag); // store it byteswapped
1784 avio_wb32(pb, 0); /* Reserved */
1785 avio_wb16(pb, 0); /* Reserved */
1786 avio_wb16(pb, 1); /* Data-reference index */
1788 if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
1789 mov_write_esds_tag(pb, track);
1790 else if (track->par->extradata_size)
1791 avio_write(pb, track->par->extradata, track->par->extradata_size);
1793 if (track->mode == MODE_MP4 &&
1794 ((ret = mov_write_btrt_tag(pb, track)) < 0))
1797 return update_size(pb, pos);
1800 static int mov_write_st3d_tag(AVFormatContext *s, AVIOContext *pb, AVStereo3D *stereo_3d)
1804 if (stereo_3d->flags != 0) {
1805 av_log(s, AV_LOG_WARNING, "Unsupported stereo_3d flags %x. st3d not written.\n", stereo_3d->flags);
1809 switch (stereo_3d->type) {
1810 case AV_STEREO3D_2D:
1813 case AV_STEREO3D_TOPBOTTOM:
1816 case AV_STEREO3D_SIDEBYSIDE:
1820 av_log(s, AV_LOG_WARNING, "Unsupported stereo_3d type %s. st3d not written.\n", av_stereo3d_type_name(stereo_3d->type));
1823 avio_wb32(pb, 13); /* size */
1824 ffio_wfourcc(pb, "st3d");
1825 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1826 avio_w8(pb, stereo_mode);
1830 static int mov_write_sv3d_tag(AVFormatContext *s, AVIOContext *pb, AVSphericalMapping *spherical_mapping)
1832 int64_t sv3d_pos, svhd_pos, proj_pos;
1833 const char* metadata_source = s->flags & AVFMT_FLAG_BITEXACT ? "Lavf" : LIBAVFORMAT_IDENT;
1835 if (spherical_mapping->projection != AV_SPHERICAL_EQUIRECTANGULAR &&
1836 spherical_mapping->projection != AV_SPHERICAL_EQUIRECTANGULAR_TILE &&
1837 spherical_mapping->projection != AV_SPHERICAL_CUBEMAP) {
1838 av_log(s, AV_LOG_WARNING, "Unsupported projection %d. sv3d not written.\n", spherical_mapping->projection);
1842 sv3d_pos = avio_tell(pb);
1843 avio_wb32(pb, 0); /* size */
1844 ffio_wfourcc(pb, "sv3d");
1846 svhd_pos = avio_tell(pb);
1847 avio_wb32(pb, 0); /* size */
1848 ffio_wfourcc(pb, "svhd");
1849 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1850 avio_put_str(pb, metadata_source);
1851 update_size(pb, svhd_pos);
1853 proj_pos = avio_tell(pb);
1854 avio_wb32(pb, 0); /* size */
1855 ffio_wfourcc(pb, "proj");
1857 avio_wb32(pb, 24); /* size */
1858 ffio_wfourcc(pb, "prhd");
1859 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1860 avio_wb32(pb, spherical_mapping->yaw);
1861 avio_wb32(pb, spherical_mapping->pitch);
1862 avio_wb32(pb, spherical_mapping->roll);
1864 switch (spherical_mapping->projection) {
1865 case AV_SPHERICAL_EQUIRECTANGULAR:
1866 case AV_SPHERICAL_EQUIRECTANGULAR_TILE:
1867 avio_wb32(pb, 28); /* size */
1868 ffio_wfourcc(pb, "equi");
1869 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1870 avio_wb32(pb, spherical_mapping->bound_top);
1871 avio_wb32(pb, spherical_mapping->bound_bottom);
1872 avio_wb32(pb, spherical_mapping->bound_left);
1873 avio_wb32(pb, spherical_mapping->bound_right);
1875 case AV_SPHERICAL_CUBEMAP:
1876 avio_wb32(pb, 20); /* size */
1877 ffio_wfourcc(pb, "cbmp");
1878 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1879 avio_wb32(pb, 0); /* layout */
1880 avio_wb32(pb, spherical_mapping->padding); /* padding */
1883 update_size(pb, proj_pos);
1885 return update_size(pb, sv3d_pos);
1888 static int mov_write_dvcc_dvvc_tag(AVFormatContext *s, AVIOContext *pb, AVDOVIDecoderConfigurationRecord *dovi)
1890 avio_wb32(pb, 32); /* size = 8 + 24 */
1891 if (dovi->dv_profile > 7)
1892 ffio_wfourcc(pb, "dvvC");
1894 ffio_wfourcc(pb, "dvcC");
1895 avio_w8(pb, dovi->dv_version_major);
1896 avio_w8(pb, dovi->dv_version_minor);
1897 avio_wb16(pb, (dovi->dv_profile << 9) | (dovi->dv_level << 3) |
1898 (dovi->rpu_present_flag << 2) | (dovi->el_present_flag << 1) |
1899 dovi->bl_present_flag);
1900 avio_wb32(pb, (dovi->dv_bl_signal_compatibility_id << 28) | 0);
1902 avio_wb32(pb, 0); /* reserved */
1903 avio_wb32(pb, 0); /* reserved */
1904 avio_wb32(pb, 0); /* reserved */
1905 avio_wb32(pb, 0); /* reserved */
1906 av_log(s, AV_LOG_DEBUG, "DOVI in %s box, version: %d.%d, profile: %d, level: %d, "
1907 "rpu flag: %d, el flag: %d, bl flag: %d, compatibility id: %d\n",
1908 dovi->dv_profile > 7 ? "dvvC" : "dvcC",
1909 dovi->dv_version_major, dovi->dv_version_minor,
1910 dovi->dv_profile, dovi->dv_level,
1911 dovi->rpu_present_flag,
1912 dovi->el_present_flag,
1913 dovi->bl_present_flag,
1914 dovi->dv_bl_signal_compatibility_id);
1915 return 32; /* 8 + 24 */
1918 static int mov_write_clap_tag(AVIOContext *pb, MOVTrack *track)
1921 ffio_wfourcc(pb, "clap");
1922 avio_wb32(pb, track->par->width); /* apertureWidth_N */
1923 avio_wb32(pb, 1); /* apertureWidth_D (= 1) */
1924 avio_wb32(pb, track->height); /* apertureHeight_N */
1925 avio_wb32(pb, 1); /* apertureHeight_D (= 1) */
1926 avio_wb32(pb, 0); /* horizOff_N (= 0) */
1927 avio_wb32(pb, 1); /* horizOff_D (= 1) */
1928 avio_wb32(pb, 0); /* vertOff_N (= 0) */
1929 avio_wb32(pb, 1); /* vertOff_D (= 1) */
1933 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
1936 av_reduce(&sar.num, &sar.den, track->par->sample_aspect_ratio.num,
1937 track->par->sample_aspect_ratio.den, INT_MAX);
1940 ffio_wfourcc(pb, "pasp");
1941 avio_wb32(pb, sar.num);
1942 avio_wb32(pb, sar.den);
1946 static int mov_write_gama_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track, double gamma)
1950 gamma = avpriv_get_gamma_from_trc(track->par->color_trc);
1952 av_log(s, AV_LOG_DEBUG, "gamma value %g\n", gamma);
1955 gama = (uint32_t)lrint((double)(1<<16) * gamma);
1956 av_log(s, AV_LOG_DEBUG, "writing gama value %"PRId32"\n", gama);
1958 av_assert0(track->mode == MODE_MOV);
1960 ffio_wfourcc(pb, "gama");
1961 avio_wb32(pb, gama);
1964 av_log(s, AV_LOG_WARNING, "gamma value unknown, unable to write gama atom\n");
1969 static int mov_write_colr_tag(AVIOContext *pb, MOVTrack *track, int prefer_icc)
1971 int64_t pos = avio_tell(pb);
1973 // Ref (MOV): https://developer.apple.com/library/mac/technotes/tn2162/_index.html#//apple_ref/doc/uid/DTS40013070-CH1-TNTAG9
1974 // Ref (MP4): ISO/IEC 14496-12:2012
1976 const uint8_t *icc_profile;
1977 int icc_profile_size;
1980 icc_profile = av_stream_get_side_data(track->st, AV_PKT_DATA_ICC_PROFILE, &icc_profile_size);
1983 avio_wb32(pb, 12 + icc_profile_size);
1984 ffio_wfourcc(pb, "colr");
1985 ffio_wfourcc(pb, "prof");
1986 avio_write(pb, icc_profile, icc_profile_size);
1987 return 12 + icc_profile_size;
1990 av_log(NULL, AV_LOG_INFO, "no ICC profile found, will write nclx/nclc colour info instead\n");
1994 /* We should only ever be called by MOV or MP4. */
1995 av_assert0(track->mode == MODE_MOV || track->mode == MODE_MP4);
1997 avio_wb32(pb, 0); /* size */
1998 ffio_wfourcc(pb, "colr");
1999 if (track->mode == MODE_MP4)
2000 ffio_wfourcc(pb, "nclx");
2002 ffio_wfourcc(pb, "nclc");
2003 // Do not try to guess the color info if it is AVCOL_PRI_UNSPECIFIED.
2004 // e.g., Dolby Vision for Apple devices should be set to AVCOL_PRI_UNSPECIFIED. See
2005 // https://developer.apple.com/av-foundation/High-Dynamic-Range-Metadata-for-Apple-Devices.pdf
2006 avio_wb16(pb, track->par->color_primaries);
2007 avio_wb16(pb, track->par->color_trc);
2008 avio_wb16(pb, track->par->color_space);
2009 if (track->mode == MODE_MP4) {
2010 int full_range = track->par->color_range == AVCOL_RANGE_JPEG;
2011 avio_w8(pb, full_range << 7);
2014 return update_size(pb, pos);
2017 static int mov_write_clli_tag(AVIOContext *pb, MOVTrack *track)
2019 const uint8_t *side_data;
2020 const AVContentLightMetadata *content_light_metadata;
2022 side_data = av_stream_get_side_data(track->st, AV_PKT_DATA_CONTENT_LIGHT_LEVEL, NULL);
2024 av_log(NULL, AV_LOG_VERBOSE, "Not writing 'clli' atom. No content light level info.\n");
2027 content_light_metadata = (const AVContentLightMetadata*)side_data;
2029 avio_wb32(pb, 12); // size
2030 ffio_wfourcc(pb, "clli");
2031 avio_wb16(pb, content_light_metadata->MaxCLL);
2032 avio_wb16(pb, content_light_metadata->MaxFALL);
2036 static inline int64_t rescale_mdcv(AVRational q, int b)
2038 return av_rescale(q.num, b, q.den);
2041 static int mov_write_mdcv_tag(AVIOContext *pb, MOVTrack *track)
2043 const int chroma_den = 50000;
2044 const int luma_den = 10000;
2045 const uint8_t *side_data;
2046 const AVMasteringDisplayMetadata *metadata;
2048 side_data = av_stream_get_side_data(track->st, AV_PKT_DATA_MASTERING_DISPLAY_METADATA, NULL);
2049 metadata = (const AVMasteringDisplayMetadata*)side_data;
2050 if (!metadata || !metadata->has_primaries || !metadata->has_luminance) {
2051 av_log(NULL, AV_LOG_VERBOSE, "Not writing 'mdcv' atom. Missing mastering metadata.\n");
2055 avio_wb32(pb, 32); // size
2056 ffio_wfourcc(pb, "mdcv");
2057 avio_wb16(pb, rescale_mdcv(metadata->display_primaries[1][0], chroma_den));
2058 avio_wb16(pb, rescale_mdcv(metadata->display_primaries[1][1], chroma_den));
2059 avio_wb16(pb, rescale_mdcv(metadata->display_primaries[2][0], chroma_den));
2060 avio_wb16(pb, rescale_mdcv(metadata->display_primaries[2][1], chroma_den));
2061 avio_wb16(pb, rescale_mdcv(metadata->display_primaries[0][0], chroma_den));
2062 avio_wb16(pb, rescale_mdcv(metadata->display_primaries[0][1], chroma_den));
2063 avio_wb16(pb, rescale_mdcv(metadata->white_point[0], chroma_den));
2064 avio_wb16(pb, rescale_mdcv(metadata->white_point[1], chroma_den));
2065 avio_wb32(pb, rescale_mdcv(metadata->max_luminance, luma_den));
2066 avio_wb32(pb, rescale_mdcv(metadata->min_luminance, luma_den));
2070 static void find_compressor(char * compressor_name, int len, MOVTrack *track)
2072 AVDictionaryEntry *encoder;
2073 int xdcam_res = (track->par->width == 1280 && track->par->height == 720)
2074 || (track->par->width == 1440 && track->par->height == 1080)
2075 || (track->par->width == 1920 && track->par->height == 1080);
2077 if (track->mode == MODE_MOV &&
2078 (encoder = av_dict_get(track->st->metadata, "encoder", NULL, 0))) {
2079 av_strlcpy(compressor_name, encoder->value, 32);
2080 } else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO && xdcam_res) {
2081 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
2082 AVStream *st = track->st;
2083 int rate = defined_frame_rate(NULL, st);
2084 av_strlcatf(compressor_name, len, "XDCAM");
2085 if (track->par->format == AV_PIX_FMT_YUV422P) {
2086 av_strlcatf(compressor_name, len, " HD422");
2087 } else if(track->par->width == 1440) {
2088 av_strlcatf(compressor_name, len, " HD");
2090 av_strlcatf(compressor_name, len, " EX");
2092 av_strlcatf(compressor_name, len, " %d%c", track->par->height, interlaced ? 'i' : 'p');
2094 av_strlcatf(compressor_name, len, "%d", rate * (interlaced + 1));
2098 static int mov_write_video_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2100 int ret = AVERROR_BUG;
2101 int64_t pos = avio_tell(pb);
2102 char compressor_name[32] = { 0 };
2105 int uncompressed_ycbcr = ((track->par->codec_id == AV_CODEC_ID_RAWVIDEO && track->par->format == AV_PIX_FMT_UYVY422)
2106 || (track->par->codec_id == AV_CODEC_ID_RAWVIDEO && track->par->format == AV_PIX_FMT_YUYV422)
2107 || track->par->codec_id == AV_CODEC_ID_V308
2108 || track->par->codec_id == AV_CODEC_ID_V408
2109 || track->par->codec_id == AV_CODEC_ID_V410
2110 || track->par->codec_id == AV_CODEC_ID_V210);
2112 avio_wb32(pb, 0); /* size */
2113 if (mov->encryption_scheme != MOV_ENC_NONE) {
2114 ffio_wfourcc(pb, "encv");
2116 avio_wl32(pb, track->tag); // store it byteswapped
2118 avio_wb32(pb, 0); /* Reserved */
2119 avio_wb16(pb, 0); /* Reserved */
2120 avio_wb16(pb, 1); /* Data-reference index */
2122 if (uncompressed_ycbcr) {
2123 avio_wb16(pb, 2); /* Codec stream version */
2125 avio_wb16(pb, 0); /* Codec stream version */
2127 avio_wb16(pb, 0); /* Codec stream revision (=0) */
2128 if (track->mode == MODE_MOV) {
2129 ffio_wfourcc(pb, "FFMP"); /* Vendor */
2130 if (track->par->codec_id == AV_CODEC_ID_RAWVIDEO || uncompressed_ycbcr) {
2131 avio_wb32(pb, 0); /* Temporal Quality */
2132 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
2134 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
2135 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
2138 avio_wb32(pb, 0); /* Reserved */
2139 avio_wb32(pb, 0); /* Reserved */
2140 avio_wb32(pb, 0); /* Reserved */
2142 avio_wb16(pb, track->par->width); /* Video width */
2143 avio_wb16(pb, track->height); /* Video height */
2144 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
2145 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
2146 avio_wb32(pb, 0); /* Data size (= 0) */
2147 avio_wb16(pb, 1); /* Frame count (= 1) */
2149 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
2150 find_compressor(compressor_name, 32, track);
2151 avio_w8(pb, strlen(compressor_name));
2152 avio_write(pb, compressor_name, 31);
2154 if (track->mode == MODE_MOV &&
2155 (track->par->codec_id == AV_CODEC_ID_V410 || track->par->codec_id == AV_CODEC_ID_V210))
2156 avio_wb16(pb, 0x18);
2157 else if (track->mode == MODE_MOV && track->par->bits_per_coded_sample)
2158 avio_wb16(pb, track->par->bits_per_coded_sample |
2159 (track->par->format == AV_PIX_FMT_GRAY8 ? 0x20 : 0));
2161 avio_wb16(pb, 0x18); /* Reserved */
2163 if (track->mode == MODE_MOV && track->par->format == AV_PIX_FMT_PAL8) {
2164 int pal_size = 1 << track->par->bits_per_coded_sample;
2166 avio_wb16(pb, 0); /* Color table ID */
2167 avio_wb32(pb, 0); /* Color table seed */
2168 avio_wb16(pb, 0x8000); /* Color table flags */
2169 avio_wb16(pb, pal_size - 1); /* Color table size (zero-relative) */
2170 for (i = 0; i < pal_size; i++) {
2171 uint32_t rgb = track->palette[i];
2172 uint16_t r = (rgb >> 16) & 0xff;
2173 uint16_t g = (rgb >> 8) & 0xff;
2174 uint16_t b = rgb & 0xff;
2176 avio_wb16(pb, (r << 8) | r);
2177 avio_wb16(pb, (g << 8) | g);
2178 avio_wb16(pb, (b << 8) | b);
2181 avio_wb16(pb, 0xffff); /* Reserved */
2183 if (track->tag == MKTAG('m','p','4','v'))
2184 mov_write_esds_tag(pb, track);
2185 else if (track->par->codec_id == AV_CODEC_ID_H263)
2186 mov_write_d263_tag(pb);
2187 else if (track->par->codec_id == AV_CODEC_ID_AVUI ||
2188 track->par->codec_id == AV_CODEC_ID_SVQ3) {
2189 mov_write_extradata_tag(pb, track);
2191 } else if (track->par->codec_id == AV_CODEC_ID_DNXHD) {
2192 mov_write_avid_tag(pb, track);
2194 } else if (track->par->codec_id == AV_CODEC_ID_HEVC)
2195 mov_write_hvcc_tag(pb, track);
2196 else if (track->par->codec_id == AV_CODEC_ID_H264 && !TAG_IS_AVCI(track->tag)) {
2197 mov_write_avcc_tag(pb, track);
2198 if (track->mode == MODE_IPOD)
2199 mov_write_uuid_tag_ipod(pb);
2200 } else if (track->par->codec_id == AV_CODEC_ID_VP9) {
2201 mov_write_vpcc_tag(mov->fc, pb, track);
2202 } else if (track->par->codec_id == AV_CODEC_ID_AV1) {
2203 mov_write_av1c_tag(pb, track);
2204 } else if (track->par->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
2205 mov_write_dvc1_tag(pb, track);
2206 else if (track->par->codec_id == AV_CODEC_ID_VP6F ||
2207 track->par->codec_id == AV_CODEC_ID_VP6A) {
2208 /* Don't write any potential extradata here - the cropping
2209 * is signalled via the normal width/height fields. */
2210 } else if (track->par->codec_id == AV_CODEC_ID_R10K) {
2211 if (track->par->codec_tag == MKTAG('R','1','0','k'))
2212 mov_write_dpxe_tag(pb, track);
2213 } else if (track->vos_len > 0)
2214 mov_write_glbl_tag(pb, track);
2216 if (track->par->codec_id != AV_CODEC_ID_H264 &&
2217 track->par->codec_id != AV_CODEC_ID_MPEG4 &&
2218 track->par->codec_id != AV_CODEC_ID_DNXHD) {
2219 int field_order = track->par->field_order;
2221 #if FF_API_LAVF_AVCTX
2222 FF_DISABLE_DEPRECATION_WARNINGS
2223 if (field_order != track->st->codec->field_order && track->st->codec->field_order != AV_FIELD_UNKNOWN)
2224 field_order = track->st->codec->field_order;
2225 FF_ENABLE_DEPRECATION_WARNINGS
2228 if (field_order != AV_FIELD_UNKNOWN)
2229 mov_write_fiel_tag(pb, track, field_order);
2232 if (mov->flags & FF_MOV_FLAG_WRITE_GAMA) {
2233 if (track->mode == MODE_MOV)
2234 mov_write_gama_tag(s, pb, track, mov->gamma);
2236 av_log(mov->fc, AV_LOG_WARNING, "Not writing 'gama' atom. Format is not MOV.\n");
2238 if (track->mode == MODE_MOV || track->mode == MODE_MP4) {
2239 int has_color_info = track->par->color_primaries != AVCOL_PRI_UNSPECIFIED &&
2240 track->par->color_trc != AVCOL_TRC_UNSPECIFIED &&
2241 track->par->color_space != AVCOL_SPC_UNSPECIFIED;
2242 if (has_color_info || mov->flags & FF_MOV_FLAG_WRITE_COLR ||
2243 av_stream_get_side_data(track->st, AV_PKT_DATA_ICC_PROFILE, NULL)) {
2244 int prefer_icc = mov->flags & FF_MOV_FLAG_PREFER_ICC || !has_color_info;
2245 mov_write_colr_tag(pb, track, prefer_icc);
2246 } else if (mov->flags & FF_MOV_FLAG_WRITE_COLR) {
2247 av_log(mov->fc, AV_LOG_WARNING, "Not writing 'colr' atom. Format is not MOV or MP4.\n");
2250 if (track->mode == MODE_MOV || track->mode == MODE_MP4) {
2251 mov_write_clli_tag(pb, track);
2252 mov_write_mdcv_tag(pb, track);
2255 if (track->mode == MODE_MP4 && mov->fc->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
2256 AVStereo3D* stereo_3d = (AVStereo3D*) av_stream_get_side_data(track->st, AV_PKT_DATA_STEREO3D, NULL);
2257 AVSphericalMapping* spherical_mapping = (AVSphericalMapping*)av_stream_get_side_data(track->st, AV_PKT_DATA_SPHERICAL, NULL);
2258 AVDOVIDecoderConfigurationRecord *dovi = (AVDOVIDecoderConfigurationRecord *)
2259 av_stream_get_side_data(track->st, AV_PKT_DATA_DOVI_CONF, NULL);;
2262 mov_write_st3d_tag(s, pb, stereo_3d);
2263 if (spherical_mapping)
2264 mov_write_sv3d_tag(mov->fc, pb, spherical_mapping);
2266 mov_write_dvcc_dvvc_tag(s, pb, dovi);
2269 if (track->par->sample_aspect_ratio.den && track->par->sample_aspect_ratio.num) {
2270 mov_write_pasp_tag(pb, track);
2273 if (uncompressed_ycbcr){
2274 mov_write_clap_tag(pb, track);
2277 if (mov->encryption_scheme != MOV_ENC_NONE) {
2278 ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid);
2281 if (track->mode == MODE_MP4 &&
2282 ((ret = mov_write_btrt_tag(pb, track)) < 0))
2285 /* extra padding for avid stsd */
2286 /* https://developer.apple.com/library/mac/documentation/QuickTime/QTFF/QTFFChap2/qtff2.html#//apple_ref/doc/uid/TP40000939-CH204-61112 */
2290 return update_size(pb, pos);
2293 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
2295 int64_t pos = avio_tell(pb);
2296 avio_wb32(pb, 0); /* size */
2297 ffio_wfourcc(pb, "rtp ");
2298 avio_wb32(pb, 0); /* Reserved */
2299 avio_wb16(pb, 0); /* Reserved */
2300 avio_wb16(pb, 1); /* Data-reference index */
2302 avio_wb16(pb, 1); /* Hint track version */
2303 avio_wb16(pb, 1); /* Highest compatible version */
2304 avio_wb32(pb, track->max_packet_size); /* Max packet size */
2306 avio_wb32(pb, 12); /* size */
2307 ffio_wfourcc(pb, "tims");
2308 avio_wb32(pb, track->timescale);
2310 return update_size(pb, pos);
2313 static int mov_write_source_reference_tag(AVIOContext *pb, MOVTrack *track, const char *reel_name)
2315 uint64_t str_size =strlen(reel_name);
2316 int64_t pos = avio_tell(pb);
2318 if (str_size >= UINT16_MAX){
2319 av_log(NULL, AV_LOG_ERROR, "reel_name length %"PRIu64" is too large\n", str_size);
2321 return AVERROR(EINVAL);
2324 avio_wb32(pb, 0); /* size */
2325 ffio_wfourcc(pb, "name"); /* Data format */
2326 avio_wb16(pb, str_size); /* string size */
2327 avio_wb16(pb, track->language); /* langcode */
2328 avio_write(pb, reel_name, str_size); /* reel name */
2329 return update_size(pb,pos);
2332 static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
2334 int64_t pos = avio_tell(pb);
2338 AVDictionaryEntry *t = NULL;
2340 if (!track->st->avg_frame_rate.num || !track->st->avg_frame_rate.den) {
2341 #if FF_API_LAVF_AVCTX
2342 FF_DISABLE_DEPRECATION_WARNINGS
2343 frame_duration = av_rescale(track->timescale, track->st->codec->time_base.num, track->st->codec->time_base.den);
2344 nb_frames = ROUNDED_DIV(track->st->codec->time_base.den, track->st->codec->time_base.num);
2345 FF_ENABLE_DEPRECATION_WARNINGS
2347 av_log(NULL, AV_LOG_ERROR, "avg_frame_rate not set for tmcd track.\n");
2348 return AVERROR(EINVAL);
2351 frame_duration = av_rescale(track->timescale, track->st->avg_frame_rate.num, track->st->avg_frame_rate.den);
2352 nb_frames = ROUNDED_DIV(track->st->avg_frame_rate.den, track->st->avg_frame_rate.num);
2355 if (nb_frames > 255) {
2356 av_log(NULL, AV_LOG_ERROR, "fps %d is too large\n", nb_frames);
2357 return AVERROR(EINVAL);
2360 avio_wb32(pb, 0); /* size */
2361 ffio_wfourcc(pb, "tmcd"); /* Data format */
2362 avio_wb32(pb, 0); /* Reserved */
2363 avio_wb32(pb, 1); /* Data reference index */
2364 avio_wb32(pb, 0); /* Flags */
2365 avio_wb32(pb, track->timecode_flags); /* Flags (timecode) */
2366 avio_wb32(pb, track->timescale); /* Timescale */
2367 avio_wb32(pb, frame_duration); /* Frame duration */
2368 avio_w8(pb, nb_frames); /* Number of frames */
2369 avio_w8(pb, 0); /* Reserved */
2371 t = av_dict_get(track->st->metadata, "reel_name", NULL, 0);
2372 if (t && utf8len(t->value) && track->mode != MODE_MP4)
2373 mov_write_source_reference_tag(pb, track, t->value);
2375 avio_wb16(pb, 0); /* zero size */
2378 avio_wb32(pb, 0); /* size */
2379 ffio_wfourcc(pb, "tmcd"); /* Data format */
2380 avio_wb32(pb, 0); /* Reserved */
2381 avio_wb32(pb, 1); /* Data reference index */
2382 if (track->par->extradata_size)
2383 avio_write(pb, track->par->extradata, track->par->extradata_size);
2385 return update_size(pb, pos);
2388 static int mov_write_gpmd_tag(AVIOContext *pb, const MOVTrack *track)
2390 int64_t pos = avio_tell(pb);
2391 avio_wb32(pb, 0); /* size */
2392 ffio_wfourcc(pb, "gpmd");
2393 avio_wb32(pb, 0); /* Reserved */
2394 avio_wb16(pb, 0); /* Reserved */
2395 avio_wb16(pb, 1); /* Data-reference index */
2396 avio_wb32(pb, 0); /* Reserved */
2397 return update_size(pb, pos);
2400 static int mov_write_stsd_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2402 int64_t pos = avio_tell(pb);
2404 avio_wb32(pb, 0); /* size */
2405 ffio_wfourcc(pb, "stsd");
2406 avio_wb32(pb, 0); /* version & flags */
2407 avio_wb32(pb, 1); /* entry count */
2408 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO)
2409 ret = mov_write_video_tag(s, pb, mov, track);
2410 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2411 ret = mov_write_audio_tag(s, pb, mov, track);
2412 else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)
2413 ret = mov_write_subtitle_tag(pb, track);
2414 else if (track->par->codec_tag == MKTAG('r','t','p',' '))
2415 ret = mov_write_rtp_tag(pb, track);
2416 else if (track->par->codec_tag == MKTAG('t','m','c','d'))
2417 ret = mov_write_tmcd_tag(pb, track);
2418 else if (track->par->codec_tag == MKTAG('g','p','m','d'))
2419 ret = mov_write_gpmd_tag(pb, track);
2424 return update_size(pb, pos);
2427 static int mov_write_ctts_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
2429 MOVMuxContext *mov = s->priv_data;
2430 MOVStts *ctts_entries;
2431 uint32_t entries = 0;
2435 ctts_entries = av_malloc_array((track->entry + 1), sizeof(*ctts_entries)); /* worst case */
2437 return AVERROR(ENOMEM);
2438 ctts_entries[0].count = 1;
2439 ctts_entries[0].duration = track->cluster[0].cts;
2440 for (i = 1; i < track->entry; i++) {
2441 if (track->cluster[i].cts == ctts_entries[entries].duration) {
2442 ctts_entries[entries].count++; /* compress */
2445 ctts_entries[entries].duration = track->cluster[i].cts;
2446 ctts_entries[entries].count = 1;
2449 entries++; /* last one */
2450 atom_size = 16 + (entries * 8);
2451 avio_wb32(pb, atom_size); /* size */
2452 ffio_wfourcc(pb, "ctts");
2453 if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
2454 avio_w8(pb, 1); /* version */
2456 avio_w8(pb, 0); /* version */
2457 avio_wb24(pb, 0); /* flags */
2458 avio_wb32(pb, entries); /* entry count */
2459 for (i = 0; i < entries; i++) {
2460 avio_wb32(pb, ctts_entries[i].count);
2461 avio_wb32(pb, ctts_entries[i].duration);
2463 av_free(ctts_entries);
2467 /* Time to sample atom */
2468 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
2470 MOVStts *stts_entries = NULL;
2471 uint32_t entries = -1;
2475 if (track->par->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
2476 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
2478 return AVERROR(ENOMEM);
2479 stts_entries[0].count = track->sample_count;
2480 stts_entries[0].duration = 1;
2484 stts_entries = av_malloc_array(track->entry, sizeof(*stts_entries)); /* worst case */
2486 return AVERROR(ENOMEM);
2488 for (i = 0; i < track->entry; i++) {
2489 int duration = get_cluster_duration(track, i);
2490 if (i && duration == stts_entries[entries].duration) {
2491 stts_entries[entries].count++; /* compress */
2494 stts_entries[entries].duration = duration;
2495 stts_entries[entries].count = 1;
2498 entries++; /* last one */
2500 atom_size = 16 + (entries * 8);
2501 avio_wb32(pb, atom_size); /* size */
2502 ffio_wfourcc(pb, "stts");
2503 avio_wb32(pb, 0); /* version & flags */
2504 avio_wb32(pb, entries); /* entry count */
2505 for (i = 0; i < entries; i++) {
2506 avio_wb32(pb, stts_entries[i].count);
2507 avio_wb32(pb, stts_entries[i].duration);
2509 av_free(stts_entries);
2513 static int mov_write_dref_tag(AVIOContext *pb)
2515 avio_wb32(pb, 28); /* size */
2516 ffio_wfourcc(pb, "dref");
2517 avio_wb32(pb, 0); /* version & flags */
2518 avio_wb32(pb, 1); /* entry count */
2520 avio_wb32(pb, 0xc); /* size */
2521 //FIXME add the alis and rsrc atom
2522 ffio_wfourcc(pb, "url ");
2523 avio_wb32(pb, 1); /* version & flags */
2528 static int mov_preroll_write_stbl_atoms(AVIOContext *pb, MOVTrack *track)
2532 int16_t roll_distance;
2533 int group_description_index;
2536 struct sgpd_entry *sgpd_entries = NULL;
2541 const int OPUS_SEEK_PREROLL_MS = 80;
2542 int roll_samples = av_rescale_q(OPUS_SEEK_PREROLL_MS,
2543 (AVRational){1, 1000},
2544 (AVRational){1, 48000});
2549 sgpd_entries = av_malloc_array(track->entry, sizeof(*sgpd_entries));
2551 return AVERROR(ENOMEM);
2553 av_assert0(track->par->codec_id == AV_CODEC_ID_OPUS || track->par->codec_id == AV_CODEC_ID_AAC);
2555 if (track->par->codec_id == AV_CODEC_ID_OPUS) {
2556 for (i = 0; i < track->entry; i++) {
2557 int roll_samples_remaining = roll_samples;
2559 for (j = i - 1; j >= 0; j--) {
2560 roll_samples_remaining -= get_cluster_duration(track, j);
2562 if (roll_samples_remaining <= 0)
2565 /* We don't have enough preceeding samples to compute a valid
2566 roll_distance here, so this sample can't be independently
2568 if (roll_samples_remaining > 0)
2570 /* Verify distance is a maximum of 32 (2.5ms) packets. */
2572 return AVERROR_INVALIDDATA;
2573 if (i && distance == sgpd_entries[entries].roll_distance) {
2574 sgpd_entries[entries].count++;
2577 sgpd_entries[entries].count = 1;
2578 sgpd_entries[entries].roll_distance = distance;
2579 sgpd_entries[entries].group_description_index = distance ? ++group : 0;
2584 sgpd_entries[entries].count = track->sample_count;
2585 sgpd_entries[entries].roll_distance = 1;
2586 sgpd_entries[entries].group_description_index = ++group;
2591 av_free(sgpd_entries);
2595 /* Write sgpd tag */
2596 avio_wb32(pb, 24 + (group * 2)); /* size */
2597 ffio_wfourcc(pb, "sgpd");
2598 avio_wb32(pb, 1 << 24); /* fullbox */
2599 ffio_wfourcc(pb, "roll");
2600 avio_wb32(pb, 2); /* default_length */
2601 avio_wb32(pb, group); /* entry_count */
2602 for (i = 0; i < entries; i++) {
2603 if (sgpd_entries[i].group_description_index) {
2604 avio_wb16(pb, -sgpd_entries[i].roll_distance); /* roll_distance */
2608 /* Write sbgp tag */
2609 avio_wb32(pb, 20 + (entries * 8)); /* size */
2610 ffio_wfourcc(pb, "sbgp");
2611 avio_wb32(pb, 0); /* fullbox */
2612 ffio_wfourcc(pb, "roll");
2613 avio_wb32(pb, entries); /* entry_count */
2614 for (i = 0; i < entries; i++) {
2615 avio_wb32(pb, sgpd_entries[i].count); /* sample_count */
2616 avio_wb32(pb, sgpd_entries[i].group_description_index); /* group_description_index */
2619 av_free(sgpd_entries);
2623 static int mov_write_stbl_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2625 int64_t pos = avio_tell(pb);
2628 avio_wb32(pb, 0); /* size */
2629 ffio_wfourcc(pb, "stbl");
2630 if ((ret = mov_write_stsd_tag(s, pb, mov, track)) < 0)
2632 mov_write_stts_tag(pb, track);
2633 if ((track->par->codec_type == AVMEDIA_TYPE_VIDEO ||
2634 track->par->codec_id == AV_CODEC_ID_TRUEHD ||
2635 track->par->codec_id == AV_CODEC_ID_MPEGH_3D_AUDIO ||
2636 track->par->codec_tag == MKTAG('r','t','p',' ')) &&
2637 track->has_keyframes && track->has_keyframes < track->entry)
2638 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
2639 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO && track->has_disposable)
2640 mov_write_sdtp_tag(pb, track);
2641 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
2642 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
2643 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO &&
2644 track->flags & MOV_TRACK_CTTS && track->entry) {
2646 if ((ret = mov_write_ctts_tag(s, pb, track)) < 0)
2649 mov_write_stsc_tag(pb, track);
2650 mov_write_stsz_tag(pb, track);
2651 mov_write_stco_tag(pb, track);
2652 if (track->cenc.aes_ctr) {
2653 ff_mov_cenc_write_stbl_atoms(&track->cenc, pb);
2655 if (track->par->codec_id == AV_CODEC_ID_OPUS || track->par->codec_id == AV_CODEC_ID_AAC) {
2656 mov_preroll_write_stbl_atoms(pb, track);
2658 return update_size(pb, pos);
2661 static int mov_write_dinf_tag(AVIOContext *pb)
2663 int64_t pos = avio_tell(pb);
2664 avio_wb32(pb, 0); /* size */
2665 ffio_wfourcc(pb, "dinf");
2666 mov_write_dref_tag(pb);
2667 return update_size(pb, pos);
2670 static int mov_write_nmhd_tag(AVIOContext *pb)
2673 ffio_wfourcc(pb, "nmhd");
2678 static int mov_write_tcmi_tag(AVIOContext *pb, MOVTrack *track)
2680 int64_t pos = avio_tell(pb);
2681 const char *font = "Lucida Grande";
2682 avio_wb32(pb, 0); /* size */
2683 ffio_wfourcc(pb, "tcmi"); /* timecode media information atom */
2684 avio_wb32(pb, 0); /* version & flags */
2685 avio_wb16(pb, 0); /* text font */
2686 avio_wb16(pb, 0); /* text face */
2687 avio_wb16(pb, 12); /* text size */
2688 avio_wb16(pb, 0); /* (unknown, not in the QT specs...) */
2689 avio_wb16(pb, 0x0000); /* text color (red) */
2690 avio_wb16(pb, 0x0000); /* text color (green) */
2691 avio_wb16(pb, 0x0000); /* text color (blue) */
2692 avio_wb16(pb, 0xffff); /* background color (red) */
2693 avio_wb16(pb, 0xffff); /* background color (green) */
2694 avio_wb16(pb, 0xffff); /* background color (blue) */
2695 avio_w8(pb, strlen(font)); /* font len (part of the pascal string) */
2696 avio_write(pb, font, strlen(font)); /* font name */
2697 return update_size(pb, pos);
2700 static int mov_write_gmhd_tag(AVIOContext *pb, MOVTrack *track)
2702 int64_t pos = avio_tell(pb);
2703 avio_wb32(pb, 0); /* size */
2704 ffio_wfourcc(pb, "gmhd");
2705 avio_wb32(pb, 0x18); /* gmin size */
2706 ffio_wfourcc(pb, "gmin");/* generic media info */
2707 avio_wb32(pb, 0); /* version & flags */
2708 avio_wb16(pb, 0x40); /* graphics mode = */
2709 avio_wb16(pb, 0x8000); /* opColor (r?) */
2710 avio_wb16(pb, 0x8000); /* opColor (g?) */
2711 avio_wb16(pb, 0x8000); /* opColor (b?) */
2712 avio_wb16(pb, 0); /* balance */
2713 avio_wb16(pb, 0); /* reserved */
2716 * This special text atom is required for
2717 * Apple Quicktime chapters. The contents
2718 * don't appear to be documented, so the
2719 * bytes are copied verbatim.
2721 if (track->tag != MKTAG('c','6','0','8')) {
2722 avio_wb32(pb, 0x2C); /* size */
2723 ffio_wfourcc(pb, "text");
2724 avio_wb16(pb, 0x01);
2725 avio_wb32(pb, 0x00);
2726 avio_wb32(pb, 0x00);
2727 avio_wb32(pb, 0x00);
2728 avio_wb32(pb, 0x01);
2729 avio_wb32(pb, 0x00);
2730 avio_wb32(pb, 0x00);
2731 avio_wb32(pb, 0x00);
2732 avio_wb32(pb, 0x00004000);
2733 avio_wb16(pb, 0x0000);
2736 if (track->par->codec_tag == MKTAG('t','m','c','d')) {
2737 int64_t tmcd_pos = avio_tell(pb);
2738 avio_wb32(pb, 0); /* size */
2739 ffio_wfourcc(pb, "tmcd");
2740 mov_write_tcmi_tag(pb, track);
2741 update_size(pb, tmcd_pos);
2742 } else if (track->par->codec_tag == MKTAG('g','p','m','d')) {
2743 int64_t gpmd_pos = avio_tell(pb);
2744 avio_wb32(pb, 0); /* size */
2745 ffio_wfourcc(pb, "gpmd");
2746 avio_wb32(pb, 0); /* version */
2747 update_size(pb, gpmd_pos);
2749 return update_size(pb, pos);
2752 static int mov_write_smhd_tag(AVIOContext *pb)
2754 avio_wb32(pb, 16); /* size */
2755 ffio_wfourcc(pb, "smhd");
2756 avio_wb32(pb, 0); /* version & flags */
2757 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
2758 avio_wb16(pb, 0); /* reserved */
2762 static int mov_write_vmhd_tag(AVIOContext *pb)
2764 avio_wb32(pb, 0x14); /* size (always 0x14) */
2765 ffio_wfourcc(pb, "vmhd");
2766 avio_wb32(pb, 0x01); /* version & flags */
2767 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
2771 static int is_clcp_track(MOVTrack *track)
2773 return track->tag == MKTAG('c','7','0','8') ||
2774 track->tag == MKTAG('c','6','0','8');
2777 static int mov_write_hdlr_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
2779 MOVMuxContext *mov = s->priv_data;
2780 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
2781 int64_t pos = avio_tell(pb);
2785 descr = "DataHandler";
2788 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
2789 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
2791 descr = "VideoHandler";
2792 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
2794 descr = "SoundHandler";
2795 } else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2796 if (is_clcp_track(track)) {
2798 descr = "ClosedCaptionHandler";
2800 if (track->tag == MKTAG('t','x','3','g')) {
2802 } else if (track->tag == MKTAG('m','p','4','s')) {
2807 descr = "SubtitleHandler";
2809 } else if (track->par->codec_tag == MKTAG('r','t','p',' ')) {
2811 descr = "HintHandler";
2812 } else if (track->par->codec_tag == MKTAG('t','m','c','d')) {
2814 descr = "TimeCodeHandler";
2815 } else if (track->par->codec_tag == MKTAG('g','p','m','d')) {
2817 descr = "GoPro MET"; // GoPro Metadata
2819 av_log(s, AV_LOG_WARNING,
2820 "Unknown hldr_type for %s, writing dummy values\n",
2821 av_fourcc2str(track->par->codec_tag));
2824 // hdlr.name is used by some players to identify the content title
2825 // of the track. So if an alternate handler description is
2826 // specified, use it.
2827 AVDictionaryEntry *t;
2828 t = av_dict_get(track->st->metadata, "handler_name", NULL, 0);
2829 if (t && utf8len(t->value))
2834 if (mov->empty_hdlr_name) /* expressly allowed by QTFF and not prohibited in ISO 14496-12 8.4.3.3 */
2837 avio_wb32(pb, 0); /* size */
2838 ffio_wfourcc(pb, "hdlr");
2839 avio_wb32(pb, 0); /* Version & flags */
2840 avio_write(pb, hdlr, 4); /* handler */
2841 ffio_wfourcc(pb, hdlr_type); /* handler type */
2842 avio_wb32(pb, 0); /* reserved */
2843 avio_wb32(pb, 0); /* reserved */
2844 avio_wb32(pb, 0); /* reserved */
2845 if (!track || track->mode == MODE_MOV)
2846 avio_w8(pb, strlen(descr)); /* pascal string */
2847 avio_write(pb, descr, strlen(descr)); /* handler description */
2848 if (track && track->mode != MODE_MOV)
2849 avio_w8(pb, 0); /* c string */
2850 return update_size(pb, pos);
2853 static int mov_write_hmhd_tag(AVIOContext *pb)
2855 /* This atom must be present, but leaving the values at zero
2856 * seems harmless. */
2857 avio_wb32(pb, 28); /* size */
2858 ffio_wfourcc(pb, "hmhd");
2859 avio_wb32(pb, 0); /* version, flags */
2860 avio_wb16(pb, 0); /* maxPDUsize */
2861 avio_wb16(pb, 0); /* avgPDUsize */
2862 avio_wb32(pb, 0); /* maxbitrate */
2863 avio_wb32(pb, 0); /* avgbitrate */
2864 avio_wb32(pb, 0); /* reserved */
2868 static int mov_write_minf_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2870 int64_t pos = avio_tell(pb);
2873 avio_wb32(pb, 0); /* size */
2874 ffio_wfourcc(pb, "minf");
2875 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO)
2876 mov_write_vmhd_tag(pb);
2877 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2878 mov_write_smhd_tag(pb);
2879 else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2880 if (track->tag == MKTAG('t','e','x','t') || is_clcp_track(track)) {
2881 mov_write_gmhd_tag(pb, track);
2883 mov_write_nmhd_tag(pb);
2885 } else if (track->tag == MKTAG('r','t','p',' ')) {
2886 mov_write_hmhd_tag(pb);
2887 } else if (track->tag == MKTAG('t','m','c','d')) {
2888 if (track->mode != MODE_MOV)
2889 mov_write_nmhd_tag(pb);
2891 mov_write_gmhd_tag(pb, track);
2892 } else if (track->tag == MKTAG('g','p','m','d')) {
2893 mov_write_gmhd_tag(pb, track);
2895 if (track->mode == MODE_MOV) /* ISO 14496-12 8.4.3.1 specifies hdlr only within mdia or meta boxes */
2896 mov_write_hdlr_tag(s, pb, NULL);
2897 mov_write_dinf_tag(pb);
2898 if ((ret = mov_write_stbl_tag(s, pb, mov, track)) < 0)
2900 return update_size(pb, pos);
2903 static int64_t calc_pts_duration(MOVMuxContext *mov, MOVTrack *track)
2905 if (track->tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd) {
2906 // tmcd tracks gets track_duration set in mov_write_moov_tag from
2907 // another track's duration, while the end_pts may be left at zero.
2908 // Calculate the pts duration for that track instead.
2909 return av_rescale(calc_pts_duration(mov, &mov->tracks[track->src_track]),
2910 track->timescale, mov->tracks[track->src_track].timescale);
2912 if (track->end_pts != AV_NOPTS_VALUE &&
2913 track->start_dts != AV_NOPTS_VALUE &&
2914 track->start_cts != AV_NOPTS_VALUE) {
2915 return track->end_pts - (track->start_dts + track->start_cts);
2917 return track->track_duration;
2920 static int mov_write_mdhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2923 int64_t duration = calc_pts_duration(mov, track);
2924 int version = duration < INT32_MAX ? 0 : 1;
2926 if (track->mode == MODE_ISM)
2929 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
2930 ffio_wfourcc(pb, "mdhd");
2931 avio_w8(pb, version);
2932 avio_wb24(pb, 0); /* flags */
2934 avio_wb64(pb, track->time);
2935 avio_wb64(pb, track->time);
2937 avio_wb32(pb, track->time); /* creation time */
2938 avio_wb32(pb, track->time); /* modification time */
2940 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
2941 if (!track->entry && mov->mode == MODE_ISM)
2942 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2943 else if (!track->entry)
2944 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2946 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration); /* duration */
2947 avio_wb16(pb, track->language); /* language */
2948 avio_wb16(pb, 0); /* reserved (quality) */
2950 if (version != 0 && track->mode == MODE_MOV) {
2951 av_log(NULL, AV_LOG_ERROR,
2952 "FATAL error, file duration too long for timebase, this file will not be\n"
2953 "playable with QuickTime. Choose a different timebase with "
2954 "-video_track_timescale or a different container format\n");
2960 static int mov_write_mdia_tag(AVFormatContext *s, AVIOContext *pb,
2961 MOVMuxContext *mov, MOVTrack *track)
2963 int64_t pos = avio_tell(pb);
2966 avio_wb32(pb, 0); /* size */
2967 ffio_wfourcc(pb, "mdia");
2968 mov_write_mdhd_tag(pb, mov, track);
2969 mov_write_hdlr_tag(s, pb, track);
2970 if ((ret = mov_write_minf_tag(s, pb, mov, track)) < 0)
2972 return update_size(pb, pos);
2975 /* transformation matrix
2979 static void write_matrix(AVIOContext *pb, int16_t a, int16_t b, int16_t c,
2980 int16_t d, int16_t tx, int16_t ty)
2982 avio_wb32(pb, a << 16); /* 16.16 format */
2983 avio_wb32(pb, b << 16); /* 16.16 format */
2984 avio_wb32(pb, 0); /* u in 2.30 format */
2985 avio_wb32(pb, c << 16); /* 16.16 format */
2986 avio_wb32(pb, d << 16); /* 16.16 format */
2987 avio_wb32(pb, 0); /* v in 2.30 format */
2988 avio_wb32(pb, tx << 16); /* 16.16 format */
2989 avio_wb32(pb, ty << 16); /* 16.16 format */
2990 avio_wb32(pb, 1 << 30); /* w in 2.30 format */
2993 static int mov_write_tkhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2994 MOVTrack *track, AVStream *st)
2996 int64_t duration = av_rescale_rnd(calc_pts_duration(mov, track),
2997 MOV_TIMESCALE, track->timescale,
2999 int version = duration < INT32_MAX ? 0 : 1;
3000 int flags = MOV_TKHD_FLAG_IN_MOVIE;
3004 uint32_t *display_matrix = NULL;
3005 int display_matrix_size, i;
3008 if (mov->per_stream_grouping)
3011 group = st->codecpar->codec_type;
3013 display_matrix = (uint32_t*)av_stream_get_side_data(st, AV_PKT_DATA_DISPLAYMATRIX,
3014 &display_matrix_size);
3015 if (display_matrix && display_matrix_size < 9 * sizeof(*display_matrix))
3016 display_matrix = NULL;
3019 if (track->flags & MOV_TRACK_ENABLED)
3020 flags |= MOV_TKHD_FLAG_ENABLED;
3022 if (track->mode == MODE_ISM)
3025 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
3026 ffio_wfourcc(pb, "tkhd");
3027 avio_w8(pb, version);
3028 avio_wb24(pb, flags);
3030 avio_wb64(pb, track->time);
3031 avio_wb64(pb, track->time);
3033 avio_wb32(pb, track->time); /* creation time */
3034 avio_wb32(pb, track->time); /* modification time */
3036 avio_wb32(pb, track->track_id); /* track-id */
3037 avio_wb32(pb, 0); /* reserved */
3038 if (!track->entry && mov->mode == MODE_ISM)
3039 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
3040 else if (!track->entry)
3041 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
3043 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
3045 avio_wb32(pb, 0); /* reserved */
3046 avio_wb32(pb, 0); /* reserved */
3047 avio_wb16(pb, 0); /* layer */
3048 avio_wb16(pb, group); /* alternate group) */
3049 /* Volume, only for audio */
3050 if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
3051 avio_wb16(pb, 0x0100);
3054 avio_wb16(pb, 0); /* reserved */
3056 /* Matrix structure */
3057 #if FF_API_OLD_ROTATE_API
3058 if (st && st->metadata) {
3059 AVDictionaryEntry *rot = av_dict_get(st->metadata, "rotate", NULL, 0);
3060 rotation = (rot && rot->value) ? atoi(rot->value) : 0;
3063 if (display_matrix) {
3064 for (i = 0; i < 9; i++)
3065 avio_wb32(pb, display_matrix[i]);
3066 #if FF_API_OLD_ROTATE_API
3067 } else if (rotation == 90) {
3068 write_matrix(pb, 0, 1, -1, 0, track->par->height, 0);
3069 } else if (rotation == 180) {
3070 write_matrix(pb, -1, 0, 0, -1, track->par->width, track->par->height);
3071 } else if (rotation == 270) {
3072 write_matrix(pb, 0, -1, 1, 0, 0, track->par->width);
3075 write_matrix(pb, 1, 0, 0, 1, 0, 0);
3077 /* Track width and height, for visual only */
3078 if (st && (track->par->codec_type == AVMEDIA_TYPE_VIDEO ||
3079 track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
3080 int64_t track_width_1616;
3081 if (track->mode == MODE_MOV) {
3082 track_width_1616 = track->par->width * 0x10000ULL;
3084 track_width_1616 = av_rescale(st->sample_aspect_ratio.num,
3085 track->par->width * 0x10000LL,
3086 st->sample_aspect_ratio.den);
3087 if (!track_width_1616 ||
3088 track->height != track->par->height ||
3089 track_width_1616 > UINT32_MAX)
3090 track_width_1616 = track->par->width * 0x10000ULL;
3092 if (track_width_1616 > UINT32_MAX) {
3093 av_log(mov->fc, AV_LOG_WARNING, "track width is too large\n");
3094 track_width_1616 = 0;
3096 avio_wb32(pb, track_width_1616);
3097 if (track->height > 0xFFFF) {
3098 av_log(mov->fc, AV_LOG_WARNING, "track height is too large\n");
3101 avio_wb32(pb, track->height * 0x10000U);
3109 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
3111 int32_t width = av_rescale(track->par->sample_aspect_ratio.num, track->par->width,
3112 track->par->sample_aspect_ratio.den);
3114 int64_t pos = avio_tell(pb);
3116 avio_wb32(pb, 0); /* size */
3117 ffio_wfourcc(pb, "tapt");
3120 ffio_wfourcc(pb, "clef");
3122 avio_wb32(pb, width << 16);
3123 avio_wb32(pb, track->par->height << 16);
3126 ffio_wfourcc(pb, "prof");
3128 avio_wb32(pb, width << 16);
3129 avio_wb32(pb, track->par->height << 16);
3132 ffio_wfourcc(pb, "enof");
3134 avio_wb32(pb, track->par->width << 16);
3135 avio_wb32(pb, track->par->height << 16);
3137 return update_size(pb, pos);
3140 // This box seems important for the psp playback ... without it the movie seems to hang
3141 static int mov_write_edts_tag(AVIOContext *pb, MOVMuxContext *mov,
3144 int64_t duration = av_rescale_rnd(calc_pts_duration(mov, track),
3145 MOV_TIMESCALE, track->timescale,
3147 int version = duration < INT32_MAX ? 0 : 1;
3148 int entry_size, entry_count, size;
3149 int64_t delay, start_ct = track->start_cts;
3150 int64_t start_dts = track->start_dts;
3153 if (start_dts != track->cluster[0].dts || start_ct != track->cluster[0].cts) {
3155 av_log(mov->fc, AV_LOG_DEBUG,
3156 "EDTS using dts:%"PRId64" cts:%d instead of dts:%"PRId64" cts:%"PRId64" tid:%d\n",
3157 track->cluster[0].dts, track->cluster[0].cts,
3158 start_dts, start_ct, track->track_id);
3159 start_dts = track->cluster[0].dts;
3160 start_ct = track->cluster[0].cts;
3164 delay = av_rescale_rnd(start_dts + start_ct, MOV_TIMESCALE,
3165 track->timescale, AV_ROUND_DOWN);
3166 version |= delay < INT32_MAX ? 0 : 1;
3168 entry_size = (version == 1) ? 20 : 12;
3169 entry_count = 1 + (delay > 0);
3170 size = 24 + entry_count * entry_size;
3172 /* write the atom data */
3173 avio_wb32(pb, size);
3174 ffio_wfourcc(pb, "edts");
3175 avio_wb32(pb, size - 8);
3176 ffio_wfourcc(pb, "elst");
3177 avio_w8(pb, version);
3178 avio_wb24(pb, 0); /* flags */
3180 avio_wb32(pb, entry_count);
3181 if (delay > 0) { /* add an empty edit to delay presentation */
3182 /* In the positive delay case, the delay includes the cts
3183 * offset, and the second edit list entry below trims out
3184 * the same amount from the actual content. This makes sure
3185 * that the offset last sample is included in the edit
3186 * list duration as well. */
3188 avio_wb64(pb, delay);
3191 avio_wb32(pb, delay);
3194 avio_wb32(pb, 0x00010000);
3196 /* Avoid accidentally ending up with start_ct = -1 which has got a
3197 * special meaning. Normally start_ct should end up positive or zero
3198 * here, but use FFMIN in case dts is a small positive integer
3199 * rounded to 0 when represented in MOV_TIMESCALE units. */
3200 av_assert0(av_rescale_rnd(start_dts, MOV_TIMESCALE, track->timescale, AV_ROUND_DOWN) <= 0);
3201 start_ct = -FFMIN(start_dts, 0);
3202 /* Note, this delay is calculated from the pts of the first sample,
3203 * ensuring that we don't reduce the duration for cases with
3208 /* For fragmented files, we don't know the full length yet. Setting
3209 * duration to 0 allows us to only specify the offset, including
3210 * the rest of the content (from all future fragments) without specifying
3211 * an explicit duration. */
3212 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
3217 avio_wb64(pb, duration);
3218 avio_wb64(pb, start_ct);
3220 avio_wb32(pb, duration);
3221 avio_wb32(pb, start_ct);
3223 avio_wb32(pb, 0x00010000);
3227 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
3229 avio_wb32(pb, 20); // size
3230 ffio_wfourcc(pb, "tref");
3231 avio_wb32(pb, 12); // size (subatom)
3232 avio_wl32(pb, track->tref_tag);
3233 avio_wb32(pb, track->tref_id);
3237 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
3238 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
3240 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
3241 ffio_wfourcc(pb, "uuid");
3242 ffio_wfourcc(pb, "USMT");
3243 avio_wb32(pb, 0x21d24fce);
3244 avio_wb32(pb, 0xbb88695c);
3245 avio_wb32(pb, 0xfac9c740);
3246 avio_wb32(pb, 0x1c); // another size here!
3247 ffio_wfourcc(pb, "MTDT");
3248 avio_wb32(pb, 0x00010012);
3249 avio_wb32(pb, 0x0a);
3250 avio_wb32(pb, 0x55c40000);
3256 static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
3258 AVFormatContext *ctx = track->rtp_ctx;
3259 char buf[1000] = "";
3262 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
3263 NULL, NULL, 0, 0, ctx);
3264 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
3267 avio_wb32(pb, len + 24);
3268 ffio_wfourcc(pb, "udta");
3269 avio_wb32(pb, len + 16);
3270 ffio_wfourcc(pb, "hnti");
3271 avio_wb32(pb, len + 8);
3272 ffio_wfourcc(pb, "sdp ");
3273 avio_write(pb, buf, len);
3277 static int mov_write_track_metadata(AVIOContext *pb, AVStream *st,
3278 const char *tag, const char *str)
3280 int64_t pos = avio_tell(pb);
3281 AVDictionaryEntry *t = av_dict_get(st->metadata, str, NULL, 0);
3282 if (!t || !utf8len(t->value))
3285 avio_wb32(pb, 0); /* size */
3286 ffio_wfourcc(pb, tag); /* type */
3287 avio_write(pb, t->value, strlen(t->value)); /* UTF8 string value */
3288 return update_size(pb, pos);
3291 static int mov_write_track_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
3294 AVIOContext *pb_buf;
3301 ret = avio_open_dyn_buf(&pb_buf);
3305 if (mov->mode & (MODE_MP4|MODE_MOV))
3306 mov_write_track_metadata(pb_buf, st, "name", "title");
3308 if ((size = avio_get_dyn_buf(pb_buf, &buf)) > 0) {
3309 avio_wb32(pb, size + 8);
3310 ffio_wfourcc(pb, "udta");
3311 avio_write(pb, buf, size);
3313 ffio_free_dyn_buf(&pb_buf);
3318 static int mov_write_trak_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov,
3319 MOVTrack *track, AVStream *st)
3321 int64_t pos = avio_tell(pb);
3322 int entry_backup = track->entry;
3323 int chunk_backup = track->chunkCount;
3326 /* If we want to have an empty moov, but some samples already have been
3327 * buffered (delay_moov), pretend that no samples have been written yet. */
3328 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV)
3329 track->chunkCount = track->entry = 0;
3331 avio_wb32(pb, 0); /* size */
3332 ffio_wfourcc(pb, "trak");
3333 mov_write_tkhd_tag(pb, mov, track, st);
3335 av_assert2(mov->use_editlist >= 0);
3337 if (track->start_dts != AV_NOPTS_VALUE) {
3338 if (mov->use_editlist)
3339 mov_write_edts_tag(pb, mov, track); // PSP Movies and several other cases require edts box
3340 else if ((track->entry && track->cluster[0].dts) || track->mode == MODE_PSP || is_clcp_track(track))
3341 av_log(mov->fc, AV_LOG_WARNING,
3342 "Not writing any edit list even though one would have been required\n");
3345 if (track->tref_tag)
3346 mov_write_tref_tag(pb, track);
3348 if ((ret = mov_write_mdia_tag(s, pb, mov, track)) < 0)
3350 if (track->mode == MODE_PSP)
3351 mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box
3352 if (track->tag == MKTAG('r','t','p',' '))
3353 mov_write_udta_sdp(pb, track);
3354 if (track->mode == MODE_MOV) {
3355 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
3356 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
3357 if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio) {
3358 mov_write_tapt_tag(pb, track);
3361 if (is_clcp_track(track) && st->sample_aspect_ratio.num) {
3362 mov_write_tapt_tag(pb, track);
3365 mov_write_track_udta_tag(pb, mov, st);
3366 track->entry = entry_backup;
3367 track->chunkCount = chunk_backup;
3368 return update_size(pb, pos);
3371 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
3373 int i, has_audio = 0, has_video = 0;
3374 int64_t pos = avio_tell(pb);
3375 int audio_profile = mov->iods_audio_profile;
3376 int video_profile = mov->iods_video_profile;
3377 for (i = 0; i < mov->nb_streams; i++) {
3378 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3379 has_audio |= mov->tracks[i].par->codec_type == AVMEDIA_TYPE_AUDIO;
3380 has_video |= mov->tracks[i].par->codec_type == AVMEDIA_TYPE_VIDEO;
3383 if (audio_profile < 0)
3384 audio_profile = 0xFF - has_audio;
3385 if (video_profile < 0)
3386 video_profile = 0xFF - has_video;
3387 avio_wb32(pb, 0x0); /* size */
3388 ffio_wfourcc(pb, "iods");
3389 avio_wb32(pb, 0); /* version & flags */
3390 put_descr(pb, 0x10, 7);
3391 avio_wb16(pb, 0x004f);
3394 avio_w8(pb, audio_profile);
3395 avio_w8(pb, video_profile);
3397 return update_size(pb, pos);
3400 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
3402 avio_wb32(pb, 0x20); /* size */
3403 ffio_wfourcc(pb, "trex");
3404 avio_wb32(pb, 0); /* version & flags */
3405 avio_wb32(pb, track->track_id); /* track ID */
3406 avio_wb32(pb, 1); /* default sample description index */
3407 avio_wb32(pb, 0); /* default sample duration */
3408 avio_wb32(pb, 0); /* default sample size */
3409 avio_wb32(pb, 0); /* default sample flags */
3413 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
3415 int64_t pos = avio_tell(pb);
3417 avio_wb32(pb, 0x0); /* size */
3418 ffio_wfourcc(pb, "mvex");
3419 for (i = 0; i < mov->nb_streams; i++)
3420 mov_write_trex_tag(pb, &mov->tracks[i]);
3421 return update_size(pb, pos);
3424 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
3426 int max_track_id = 1, i;
3427 int64_t max_track_len = 0;
3430 for (i = 0; i < mov->nb_streams; i++) {
3431 if (mov->tracks[i].entry > 0 && mov->tracks[i].timescale) {
3432 int64_t max_track_len_temp = av_rescale_rnd(
3433 calc_pts_duration(mov, &mov->tracks[i]),
3435 mov->tracks[i].timescale,
3437 if (max_track_len < max_track_len_temp)
3438 max_track_len = max_track_len_temp;
3439 if (max_track_id < mov->tracks[i].track_id)
3440 max_track_id = mov->tracks[i].track_id;
3443 /* If using delay_moov, make sure the output is the same as if no
3444 * samples had been written yet. */
3445 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3450 version = max_track_len < UINT32_MAX ? 0 : 1;
3451 avio_wb32(pb, version == 1 ? 120 : 108); /* size */
3453 ffio_wfourcc(pb, "mvhd");
3454 avio_w8(pb, version);
3455 avio_wb24(pb, 0); /* flags */
3457 avio_wb64(pb, mov->time);
3458 avio_wb64(pb, mov->time);
3460 avio_wb32(pb, mov->time); /* creation time */
3461 avio_wb32(pb, mov->time); /* modification time */
3463 avio_wb32(pb, MOV_TIMESCALE);
3464 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
3466 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
3467 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
3468 avio_wb16(pb, 0); /* reserved */
3469 avio_wb32(pb, 0); /* reserved */
3470 avio_wb32(pb, 0); /* reserved */
3472 /* Matrix structure */
3473 write_matrix(pb, 1, 0, 0, 1, 0, 0);
3475 avio_wb32(pb, 0); /* reserved (preview time) */
3476 avio_wb32(pb, 0); /* reserved (preview duration) */
3477 avio_wb32(pb, 0); /* reserved (poster time) */
3478 avio_wb32(pb, 0); /* reserved (selection time) */
3479 avio_wb32(pb, 0); /* reserved (selection duration) */
3480 avio_wb32(pb, 0); /* reserved (current time) */
3481 avio_wb32(pb, max_track_id + 1); /* Next track id */
3485 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
3488 avio_wb32(pb, 33); /* size */
3489 ffio_wfourcc(pb, "hdlr");
3492 ffio_wfourcc(pb, "mdir");
3493 ffio_wfourcc(pb, "appl");
3500 /* helper function to write a data tag with the specified string as data */
3501 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
3504 int size = 16 + strlen(data);
3505 avio_wb32(pb, size); /* size */
3506 ffio_wfourcc(pb, "data");
3509 avio_write(pb, data, strlen(data));
3513 lang = ff_mov_iso639_to_lang("und", 1);
3514 avio_wb16(pb, strlen(data)); /* string length */
3515 avio_wb16(pb, lang);
3516 avio_write(pb, data, strlen(data));
3517 return strlen(data) + 4;
3521 static int mov_write_string_tag(AVIOContext *pb, const char *name,
3522 const char *value, int lang, int long_style)
3525 if (value && value[0]) {
3526 int64_t pos = avio_tell(pb);
3527 avio_wb32(pb, 0); /* size */
3528 ffio_wfourcc(pb, name);
3529 mov_write_string_data_tag(pb, value, lang, long_style);
3530 size = update_size(pb, pos);
3535 static AVDictionaryEntry *get_metadata_lang(AVFormatContext *s,
3536 const char *tag, int *lang)
3539 AVDictionaryEntry *t, *t2 = NULL;
3544 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
3547 len = strlen(t->key);
3548 snprintf(tag2, sizeof(tag2), "%s-", tag);
3549 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
3550 len2 = strlen(t2->key);
3551 if (len2 == len + 4 && !strcmp(t->value, t2->value)
3552 && (l = ff_mov_iso639_to_lang(&t2->key[len2 - 3], 1)) >= 0) {
3560 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
3561 const char *name, const char *tag,
3565 AVDictionaryEntry *t = get_metadata_lang(s, tag, &lang);
3568 return mov_write_string_tag(pb, name, t->value, lang, long_style);
3571 /* iTunes bpm number */
3572 static int mov_write_tmpo_tag(AVIOContext *pb, AVFormatContext *s)
3574 AVDictionaryEntry *t = av_dict_get(s->metadata, "tmpo", NULL, 0);
3575 int size = 0, tmpo = t ? atoi(t->value) : 0;
3578 avio_wb32(pb, size);
3579 ffio_wfourcc(pb, "tmpo");
3580 avio_wb32(pb, size-8); /* size */
3581 ffio_wfourcc(pb, "data");
3582 avio_wb32(pb, 0x15); //type specifier
3584 avio_wb16(pb, tmpo); // data
3589 /* 3GPP TS 26.244 */
3590 static int mov_write_loci_tag(AVFormatContext *s, AVIOContext *pb)
3593 int64_t pos = avio_tell(pb);
3594 double latitude, longitude, altitude;
3595 int32_t latitude_fix, longitude_fix, altitude_fix;
3596 AVDictionaryEntry *t = get_metadata_lang(s, "location", &lang);
3597 const char *ptr, *place = "";
3599 static const char *astronomical_body = "earth";
3604 longitude = strtod(ptr, &end);
3606 av_log(s, AV_LOG_WARNING, "malformed location metadata\n");
3610 latitude = strtod(ptr, &end);
3612 av_log(s, AV_LOG_WARNING, "malformed location metadata\n");
3616 altitude = strtod(ptr, &end);
3617 /* If no altitude was present, the default 0 should be fine */
3621 latitude_fix = (int32_t) ((1 << 16) * latitude);
3622 longitude_fix = (int32_t) ((1 << 16) * longitude);
3623 altitude_fix = (int32_t) ((1 << 16) * altitude);
3625 avio_wb32(pb, 0); /* size */
3626 ffio_wfourcc(pb, "loci"); /* type */
3627 avio_wb32(pb, 0); /* version + flags */
3628 avio_wb16(pb, lang);
3629 avio_write(pb, place, strlen(place) + 1);
3630 avio_w8(pb, 0); /* role of place (0 == shooting location, 1 == real location, 2 == fictional location) */
3631 avio_wb32(pb, latitude_fix);
3632 avio_wb32(pb, longitude_fix);
3633 avio_wb32(pb, altitude_fix);
3634 avio_write(pb, astronomical_body, strlen(astronomical_body) + 1);
3635 avio_w8(pb, 0); /* additional notes, null terminated string */
3637 return update_size(pb, pos);
3640 /* iTunes track or disc number */
3641 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
3642 AVFormatContext *s, int disc)
3644 AVDictionaryEntry *t = av_dict_get(s->metadata,
3645 disc ? "disc" : "track",
3647 int size = 0, track = t ? atoi(t->value) : 0;
3650 char *slash = strchr(t->value, '/');
3652 tracks = atoi(slash + 1);
3653 avio_wb32(pb, 32); /* size */
3654 ffio_wfourcc(pb, disc ? "disk" : "trkn");
3655 avio_wb32(pb, 24); /* size */
3656 ffio_wfourcc(pb, "data");
3657 avio_wb32(pb, 0); // 8 bytes empty
3659 avio_wb16(pb, 0); // empty
3660 avio_wb16(pb, track); // track / disc number
3661 avio_wb16(pb, tracks); // total track / disc number
3662 avio_wb16(pb, 0); // empty
3668 static int mov_write_int8_metadata(AVFormatContext *s, AVIOContext *pb,
3669 const char *name, const char *tag,
3672 AVDictionaryEntry *t = NULL;
3674 int size = 24 + len;
3676 if (len != 1 && len != 4)
3679 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
3681 num = atoi(t->value);
3683 avio_wb32(pb, size);
3684 ffio_wfourcc(pb, name);
3685 avio_wb32(pb, size - 8);
3686 ffio_wfourcc(pb, "data");
3687 avio_wb32(pb, 0x15);
3689 if (len==4) avio_wb32(pb, num);
3690 else avio_w8 (pb, num);
3695 static int mov_write_covr(AVIOContext *pb, AVFormatContext *s)
3697 MOVMuxContext *mov = s->priv_data;
3701 for (i = 0; i < s->nb_streams; i++) {
3702 MOVTrack *trk = &mov->tracks[i];
3704 if (!is_cover_image(trk->st) || trk->cover_image.size <= 0)
3708 pos = avio_tell(pb);
3710 ffio_wfourcc(pb, "covr");
3712 avio_wb32(pb, 16 + trk->cover_image.size);
3713 ffio_wfourcc(pb, "data");
3714 avio_wb32(pb, trk->tag);
3716 avio_write(pb, trk->cover_image.data, trk->cover_image.size);
3719 return pos ? update_size(pb, pos) : 0;
3722 /* iTunes meta data list */
3723 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
3726 int64_t pos = avio_tell(pb);
3727 avio_wb32(pb, 0); /* size */
3728 ffio_wfourcc(pb, "ilst");
3729 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
3730 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
3731 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
3732 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
3733 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
3734 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
3735 if (!mov_write_string_metadata(s, pb, "\251too", "encoding_tool", 1)) {
3736 if (!(s->flags & AVFMT_FLAG_BITEXACT))
3737 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
3739 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
3740 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
3741 mov_write_string_metadata(s, pb, "cprt", "copyright", 1);
3742 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
3743 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
3744 mov_write_string_metadata(s, pb, "desc", "description",1);
3745 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
3746 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
3747 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
3748 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
3749 mov_write_string_metadata(s, pb, "keyw", "keywords" , 1);
3750 mov_write_int8_metadata (s, pb, "tves", "episode_sort",4);
3751 mov_write_int8_metadata (s, pb, "tvsn", "season_number",4);
3752 mov_write_int8_metadata (s, pb, "stik", "media_type",1);
3753 mov_write_int8_metadata (s, pb, "hdvd", "hd_video", 1);
3754 mov_write_int8_metadata (s, pb, "pgap", "gapless_playback",1);
3755 mov_write_int8_metadata (s, pb, "cpil", "compilation", 1);
3756 mov_write_covr(pb, s);
3757 mov_write_trkn_tag(pb, mov, s, 0); // track number
3758 mov_write_trkn_tag(pb, mov, s, 1); // disc number
3759 mov_write_tmpo_tag(pb, s);
3760 return update_size(pb, pos);
3763 static int mov_write_mdta_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
3766 avio_wb32(pb, 33); /* size */
3767 ffio_wfourcc(pb, "hdlr");
3770 ffio_wfourcc(pb, "mdta");
3778 static int mov_write_mdta_keys_tag(AVIOContext *pb, MOVMuxContext *mov,
3781 AVDictionaryEntry *t = NULL;
3782 int64_t pos = avio_tell(pb);
3783 int64_t curpos, entry_pos;
3786 avio_wb32(pb, 0); /* size */
3787 ffio_wfourcc(pb, "keys");
3789 entry_pos = avio_tell(pb);
3790 avio_wb32(pb, 0); /* entry count */
3792 while (t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX)) {
3793 avio_wb32(pb, strlen(t->key) + 8);
3794 ffio_wfourcc(pb, "mdta");
3795 avio_write(pb, t->key, strlen(t->key));
3798 curpos = avio_tell(pb);
3799 avio_seek(pb, entry_pos, SEEK_SET);
3800 avio_wb32(pb, count); // rewrite entry count
3801 avio_seek(pb, curpos, SEEK_SET);
3803 return update_size(pb, pos);
3806 static int mov_write_mdta_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
3809 AVDictionaryEntry *t = NULL;
3810 int64_t pos = avio_tell(pb);
3811 int count = 1; /* keys are 1-index based */
3813 avio_wb32(pb, 0); /* size */
3814 ffio_wfourcc(pb, "ilst");
3816 while (t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX)) {
3817 int64_t entry_pos = avio_tell(pb);
3818 avio_wb32(pb, 0); /* size */
3819 avio_wb32(pb, count); /* key */
3820 mov_write_string_data_tag(pb, t->value, 0, 1);
3821 update_size(pb, entry_pos);
3824 return update_size(pb, pos);
3827 /* meta data tags */
3828 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
3832 int64_t pos = avio_tell(pb);
3833 avio_wb32(pb, 0); /* size */
3834 ffio_wfourcc(pb, "meta");
3836 if (mov->flags & FF_MOV_FLAG_USE_MDTA) {
3837 mov_write_mdta_hdlr_tag(pb, mov, s);
3838 mov_write_mdta_keys_tag(pb, mov, s);
3839 mov_write_mdta_ilst_tag(pb, mov, s);
3842 /* iTunes metadata tag */
3843 mov_write_itunes_hdlr_tag(pb, mov, s);
3844 mov_write_ilst_tag(pb, mov, s);
3846 size = update_size(pb, pos);
3850 static int mov_write_raw_metadata_tag(AVFormatContext *s, AVIOContext *pb,
3851 const char *name, const char *key)
3854 AVDictionaryEntry *t;
3856 if (!(t = av_dict_get(s->metadata, key, NULL, 0)))
3859 len = strlen(t->value);
3862 avio_wb32(pb, size);
3863 ffio_wfourcc(pb, name);
3864 avio_write(pb, t->value, len);
3870 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
3874 GET_UTF8(val, *b++, return -1;)
3877 avio_wb16(pb, 0x00);
3881 static uint16_t language_code(const char *str)
3883 return (((str[0] - 0x60) & 0x1F) << 10) +
3884 (((str[1] - 0x60) & 0x1F) << 5) +
3885 (( str[2] - 0x60) & 0x1F);
3888 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
3889 const char *tag, const char *str)
3891 int64_t pos = avio_tell(pb);
3892 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
3893 if (!t || !utf8len(t->value))
3895 avio_wb32(pb, 0); /* size */
3896 ffio_wfourcc(pb, tag); /* type */
3897 avio_wb32(pb, 0); /* version + flags */
3898 if (!strcmp(tag, "yrrc"))
3899 avio_wb16(pb, atoi(t->value));
3901 avio_wb16(pb, language_code("eng")); /* language */
3902 avio_write(pb, t->value, strlen(t->value) + 1); /* UTF8 string value */
3903 if (!strcmp(tag, "albm") &&
3904 (t = av_dict_get(s->metadata, "track", NULL, 0)))
3905 avio_w8(pb, atoi(t->value));
3907 return update_size(pb, pos);
3910 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
3912 int64_t pos = avio_tell(pb);
3913 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
3915 avio_wb32(pb, 0); // size
3916 ffio_wfourcc(pb, "chpl");
3917 avio_wb32(pb, 0x01000000); // version + flags
3918 avio_wb32(pb, 0); // unknown
3919 avio_w8(pb, nb_chapters);
3921 for (i = 0; i < nb_chapters; i++) {
3922 AVChapter *c = s->chapters[i];
3923 AVDictionaryEntry *t;
3924 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
3926 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3927 int len = FFMIN(strlen(t->value), 255);
3929 avio_write(pb, t->value, len);
3933 return update_size(pb, pos);
3936 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
3939 AVIOContext *pb_buf;
3943 ret = avio_open_dyn_buf(&pb_buf);
3947 if (mov->mode & MODE_3GP) {
3948 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
3949 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
3950 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
3951 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
3952 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
3953 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
3954 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
3955 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
3956 mov_write_loci_tag(s, pb_buf);
3957 } 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
3958 mov_write_string_metadata(s, pb_buf, "\251ART", "artist", 0);
3959 mov_write_string_metadata(s, pb_buf, "\251nam", "title", 0);
3960 mov_write_string_metadata(s, pb_buf, "\251aut", "author", 0);
3961 mov_write_string_metadata(s, pb_buf, "\251alb", "album", 0);
3962 mov_write_string_metadata(s, pb_buf, "\251day", "date", 0);
3963 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder", 0);
3964 // currently ignored by mov.c
3965 mov_write_string_metadata(s, pb_buf, "\251des", "comment", 0);
3966 // add support for libquicktime, this atom is also actually read by mov.c
3967 mov_write_string_metadata(s, pb_buf, "\251cmt", "comment", 0);
3968 mov_write_string_metadata(s, pb_buf, "\251gen", "genre", 0);
3969 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright", 0);
3970 mov_write_string_metadata(s, pb_buf, "\251mak", "make", 0);
3971 mov_write_string_metadata(s, pb_buf, "\251mod", "model", 0);
3972 mov_write_string_metadata(s, pb_buf, "\251xyz", "location", 0);
3973 mov_write_string_metadata(s, pb_buf, "\251key", "keywords", 0);
3974 mov_write_raw_metadata_tag(s, pb_buf, "XMP_", "xmp");
3976 /* iTunes meta data */
3977 mov_write_meta_tag(pb_buf, mov, s);
3978 mov_write_loci_tag(s, pb_buf);
3981 if (s->nb_chapters && !(mov->flags & FF_MOV_FLAG_DISABLE_CHPL))
3982 mov_write_chpl_tag(pb_buf, s);
3984 if ((size = avio_get_dyn_buf(pb_buf, &buf)) > 0) {
3985 avio_wb32(pb, size + 8);
3986 ffio_wfourcc(pb, "udta");
3987 avio_write(pb, buf, size);
3989 ffio_free_dyn_buf(&pb_buf);
3994 static void mov_write_psp_udta_tag(AVIOContext *pb,
3995 const char *str, const char *lang, int type)
3997 int len = utf8len(str) + 1;
4000 avio_wb16(pb, len * 2 + 10); /* size */
4001 avio_wb32(pb, type); /* type */
4002 avio_wb16(pb, language_code(lang)); /* language */
4003 avio_wb16(pb, 0x01); /* ? */
4004 ascii_to_wc(pb, str);
4007 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
4009 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
4013 pos = avio_tell(pb);
4014 avio_wb32(pb, 0); /* size placeholder*/
4015 ffio_wfourcc(pb, "uuid");
4016 ffio_wfourcc(pb, "USMT");
4017 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
4018 avio_wb32(pb, 0xbb88695c);
4019 avio_wb32(pb, 0xfac9c740);
4021 pos2 = avio_tell(pb);
4022 avio_wb32(pb, 0); /* size placeholder*/
4023 ffio_wfourcc(pb, "MTDT");
4027 avio_wb16(pb, 0x0C); /* size */
4028 avio_wb32(pb, 0x0B); /* type */
4029 avio_wb16(pb, language_code("und")); /* language */
4030 avio_wb16(pb, 0x0); /* ? */
4031 avio_wb16(pb, 0x021C); /* data */
4033 if (!(s->flags & AVFMT_FLAG_BITEXACT))
4034 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
4035 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
4036 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
4038 update_size(pb, pos2);
4039 return update_size(pb, pos);
4045 static void build_chunks(MOVTrack *trk)
4048 MOVIentry *chunk = &trk->cluster[0];
4049 uint64_t chunkSize = chunk->size;
4050 chunk->chunkNum = 1;
4051 if (trk->chunkCount)
4053 trk->chunkCount = 1;
4054 for (i = 1; i<trk->entry; i++){
4055 if (chunk->pos + chunkSize == trk->cluster[i].pos &&
4056 chunkSize + trk->cluster[i].size < (1<<20)){
4057 chunkSize += trk->cluster[i].size;
4058 chunk->samples_in_chunk += trk->cluster[i].entries;
4060 trk->cluster[i].chunkNum = chunk->chunkNum+1;
4061 chunk=&trk->cluster[i];
4062 chunkSize = chunk->size;
4069 * Assign track ids. If option "use_stream_ids_as_track_ids" is set,
4070 * the stream ids are used as track ids.
4072 * This assumes mov->tracks and s->streams are in the same order and
4073 * there are no gaps in either of them (so mov->tracks[n] refers to
4076 * As an exception, there can be more entries in
4077 * s->streams than in mov->tracks, in which case new track ids are
4078 * generated (starting after the largest found stream id).
4080 static int mov_setup_track_ids(MOVMuxContext *mov, AVFormatContext *s)
4084 if (mov->track_ids_ok)
4087 if (mov->use_stream_ids_as_track_ids) {
4088 int next_generated_track_id = 0;
4089 for (i = 0; i < s->nb_streams; i++) {
4090 if (s->streams[i]->id > next_generated_track_id)
4091 next_generated_track_id = s->streams[i]->id;
4094 for (i = 0; i < mov->nb_streams; i++) {
4095 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
4098 mov->tracks[i].track_id = i >= s->nb_streams ? ++next_generated_track_id : s->streams[i]->id;
4101 for (i = 0; i < mov->nb_streams; i++) {
4102 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
4105 mov->tracks[i].track_id = i + 1;
4109 mov->track_ids_ok = 1;
4114 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
4118 int64_t pos = avio_tell(pb);
4119 avio_wb32(pb, 0); /* size placeholder*/
4120 ffio_wfourcc(pb, "moov");
4122 mov_setup_track_ids(mov, s);
4124 for (i = 0; i < mov->nb_streams; i++) {
4125 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
4128 mov->tracks[i].time = mov->time;
4130 if (mov->tracks[i].entry)
4131 build_chunks(&mov->tracks[i]);
4134 if (mov->chapter_track)
4135 for (i = 0; i < s->nb_streams; i++) {
4136 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
4137 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
4139 for (i = 0; i < mov->nb_streams; i++) {
4140 MOVTrack *track = &mov->tracks[i];
4141 if (track->tag == MKTAG('r','t','p',' ')) {
4142 track->tref_tag = MKTAG('h','i','n','t');
4143 track->tref_id = mov->tracks[track->src_track].track_id;
4144 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
4145 int * fallback, size;
4146 fallback = (int*)av_stream_get_side_data(track->st,
4147 AV_PKT_DATA_FALLBACK_TRACK,
4149 if (fallback != NULL && size == sizeof(int)) {
4150 if (*fallback >= 0 && *fallback < mov->nb_streams) {
4151 track->tref_tag = MKTAG('f','a','l','l');
4152 track->tref_id = mov->tracks[*fallback].track_id;
4157 for (i = 0; i < mov->nb_streams; i++) {
4158 if (mov->tracks[i].tag == MKTAG('t','m','c','d')) {
4159 int src_trk = mov->tracks[i].src_track;
4160 mov->tracks[src_trk].tref_tag = mov->tracks[i].tag;
4161 mov->tracks[src_trk].tref_id = mov->tracks[i].track_id;
4162 //src_trk may have a different timescale than the tmcd track
4163 mov->tracks[i].track_duration = av_rescale(mov->tracks[src_trk].track_duration,
4164 mov->tracks[i].timescale,
4165 mov->tracks[src_trk].timescale);
4169 mov_write_mvhd_tag(pb, mov);
4170 if (mov->mode != MODE_MOV && !mov->iods_skip)
4171 mov_write_iods_tag(pb, mov);
4172 for (i = 0; i < mov->nb_streams; i++) {
4173 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
4174 int ret = mov_write_trak_tag(s, pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
4179 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
4180 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
4182 if (mov->mode == MODE_PSP)
4183 mov_write_uuidusmt_tag(pb, s);
4185 mov_write_udta_tag(pb, mov, s);
4187 return update_size(pb, pos);
4190 static void param_write_int(AVIOContext *pb, const char *name, int value)
4192 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
4195 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
4197 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
4200 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
4203 len = FFMIN(sizeof(buf) / 2 - 1, len);
4204 ff_data_to_hex(buf, value, len, 0);
4205 buf[2 * len] = '\0';
4206 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
4209 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov, AVFormatContext *s)
4211 int64_t pos = avio_tell(pb);
4214 static const uint8_t uuid[] = {
4215 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
4216 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
4220 ffio_wfourcc(pb, "uuid");
4221 avio_write(pb, uuid, sizeof(uuid));
4224 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
4225 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
4226 avio_printf(pb, "<head>\n");
4227 if (!(mov->fc->flags & AVFMT_FLAG_BITEXACT))
4228 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
4230 avio_printf(pb, "</head>\n");
4231 avio_printf(pb, "<body>\n");
4232 avio_printf(pb, "<switch>\n");
4234 mov_setup_track_ids(mov, s);
4236 for (i = 0; i < mov->nb_streams; i++) {
4237 MOVTrack *track = &mov->tracks[i];
4238 struct mpeg4_bit_rate_values bit_rates =
4239 calculate_mpeg4_bit_rates(track);
4241 int track_id = track->track_id;
4242 char track_name_buf[32] = { 0 };
4244 AVStream *st = track->st;
4245 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
4247 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO && !is_cover_image(st)) {
4249 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
4255 avio_printf(pb, "<%s systemBitrate=\"%"PRIu32"\">\n", type,
4256 bit_rates.avg_bit_rate);
4257 param_write_int(pb, "systemBitrate", bit_rates.avg_bit_rate);
4258 param_write_int(pb, "trackID", track_id);
4259 param_write_string(pb, "systemLanguage", lang ? lang->value : "und");
4261 /* Build track name piece by piece: */
4263 av_strlcat(track_name_buf, type, sizeof(track_name_buf));
4264 /* 2. track language, if available */
4266 av_strlcatf(track_name_buf, sizeof(track_name_buf),
4267 "_%s", lang->value);
4268 /* 3. special type suffix */
4269 /* "_cc" = closed captions, "_ad" = audio_description */
4270 if (st->disposition & AV_DISPOSITION_HEARING_IMPAIRED)
4271 av_strlcat(track_name_buf, "_cc", sizeof(track_name_buf));
4272 else if (st->disposition & AV_DISPOSITION_VISUAL_IMPAIRED)
4273 av_strlcat(track_name_buf, "_ad", sizeof(track_name_buf));
4275 param_write_string(pb, "trackName", track_name_buf);
4277 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
4278 if (track->par->codec_id == AV_CODEC_ID_H264) {
4280 int size = track->par->extradata_size;
4281 if (!ff_avc_write_annexb_extradata(track->par->extradata, &ptr,
4283 param_write_hex(pb, "CodecPrivateData",
4284 ptr ? ptr : track->par->extradata,
4288 param_write_string(pb, "FourCC", "H264");
4289 } else if (track->par->codec_id == AV_CODEC_ID_VC1) {
4290 param_write_string(pb, "FourCC", "WVC1");
4291 param_write_hex(pb, "CodecPrivateData", track->par->extradata,
4292 track->par->extradata_size);
4294 param_write_int(pb, "MaxWidth", track->par->width);
4295 param_write_int(pb, "MaxHeight", track->par->height);
4296 param_write_int(pb, "DisplayWidth", track->par->width);
4297 param_write_int(pb, "DisplayHeight", track->par->height);
4299 if (track->par->codec_id == AV_CODEC_ID_AAC) {
4300 switch (track->par->profile)
4302 case FF_PROFILE_AAC_HE_V2:
4303 param_write_string(pb, "FourCC", "AACP");
4305 case FF_PROFILE_AAC_HE:
4306 param_write_string(pb, "FourCC", "AACH");
4309 param_write_string(pb, "FourCC", "AACL");
4311 } else if (track->par->codec_id == AV_CODEC_ID_WMAPRO) {
4312 param_write_string(pb, "FourCC", "WMAP");
4314 param_write_hex(pb, "CodecPrivateData", track->par->extradata,
4315 track->par->extradata_size);
4316 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
4317 track->par->codec_id));
4318 param_write_int(pb, "Channels", track->par->channels);
4319 param_write_int(pb, "SamplingRate", track->par->sample_rate);
4320 param_write_int(pb, "BitsPerSample", 16);
4321 param_write_int(pb, "PacketSize", track->par->block_align ?
4322 track->par->block_align : 4);
4324 avio_printf(pb, "</%s>\n", type);
4326 avio_printf(pb, "</switch>\n");
4327 avio_printf(pb, "</body>\n");
4328 avio_printf(pb, "</smil>\n");
4330 return update_size(pb, pos);
4333 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
4336 ffio_wfourcc(pb, "mfhd");
4338 avio_wb32(pb, mov->fragments);
4342 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
4344 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
4345 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
4348 static int mov_write_tfhd_tag(AVIOContext *pb, MOVMuxContext *mov,
4349 MOVTrack *track, int64_t moof_offset)
4351 int64_t pos = avio_tell(pb);
4352 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
4353 MOV_TFHD_BASE_DATA_OFFSET;
4354 if (!track->entry) {
4355 flags |= MOV_TFHD_DURATION_IS_EMPTY;
4357 flags |= MOV_TFHD_DEFAULT_FLAGS;
4359 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET)
4360 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
4361 if (mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) {
4362 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
4363 flags |= MOV_TFHD_DEFAULT_BASE_IS_MOOF;
4365 /* CMAF requires all values to be explicit in tfhd atoms */
4366 if (mov->flags & FF_MOV_FLAG_CMAF)
4367 flags |= MOV_TFHD_STSD_ID;
4369 /* Don't set a default sample size, the silverlight player refuses
4370 * to play files with that set. Don't set a default sample duration,
4371 * WMP freaks out if it is set. Don't set a base data offset, PIFF
4372 * file format says it MUST NOT be set. */
4373 if (track->mode == MODE_ISM)
4374 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
4375 MOV_TFHD_BASE_DATA_OFFSET | MOV_TFHD_STSD_ID);
4377 avio_wb32(pb, 0); /* size placeholder */
4378 ffio_wfourcc(pb, "tfhd");
4379 avio_w8(pb, 0); /* version */
4380 avio_wb24(pb, flags);
4382 avio_wb32(pb, track->track_id); /* track-id */
4383 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
4384 avio_wb64(pb, moof_offset);
4385 if (flags & MOV_TFHD_STSD_ID) {
4388 if (flags & MOV_TFHD_DEFAULT_DURATION) {
4389 track->default_duration = get_cluster_duration(track, 0);
4390 avio_wb32(pb, track->default_duration);
4392 if (flags & MOV_TFHD_DEFAULT_SIZE) {
4393 track->default_size = track->entry ? track->cluster[0].size : 1;
4394 avio_wb32(pb, track->default_size);
4396 track->default_size = -1;
4398 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
4399 /* Set the default flags based on the second sample, if available.
4400 * If the first sample is different, that can be signaled via a separate field. */
4401 if (track->entry > 1)
4402 track->default_sample_flags = get_sample_flags(track, &track->cluster[1]);
4404 track->default_sample_flags =
4405 track->par->codec_type == AVMEDIA_TYPE_VIDEO ?
4406 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
4407 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
4408 avio_wb32(pb, track->default_sample_flags);
4411 return update_size(pb, pos);
4414 static int mov_write_trun_tag(AVIOContext *pb, MOVMuxContext *mov,
4415 MOVTrack *track, int moof_size,
4418 int64_t pos = avio_tell(pb);
4419 uint32_t flags = MOV_TRUN_DATA_OFFSET;
4422 for (i = first; i < end; i++) {
4423 if (get_cluster_duration(track, i) != track->default_duration)
4424 flags |= MOV_TRUN_SAMPLE_DURATION;
4425 if (track->cluster[i].size != track->default_size)
4426 flags |= MOV_TRUN_SAMPLE_SIZE;
4427 if (i > first && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
4428 flags |= MOV_TRUN_SAMPLE_FLAGS;
4430 if (!(flags & MOV_TRUN_SAMPLE_FLAGS) && track->entry > 0 &&
4431 get_sample_flags(track, &track->cluster[0]) != track->default_sample_flags)
4432 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
4433 if (track->flags & MOV_TRACK_CTTS)
4434 flags |= MOV_TRUN_SAMPLE_CTS;
4436 avio_wb32(pb, 0); /* size placeholder */
4437 ffio_wfourcc(pb, "trun");
4438 if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4439 avio_w8(pb, 1); /* version */
4441 avio_w8(pb, 0); /* version */
4442 avio_wb24(pb, flags);
4444 avio_wb32(pb, end - first); /* sample count */
4445 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
4446 !(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) &&
4448 avio_wb32(pb, 0); /* Later tracks follow immediately after the previous one */
4450 avio_wb32(pb, moof_size + 8 + track->data_offset +
4451 track->cluster[first].pos); /* data offset */
4452 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
4453 avio_wb32(pb, get_sample_flags(track, &track->cluster[first]));
4455 for (i = first; i < end; i++) {
4456 if (flags & MOV_TRUN_SAMPLE_DURATION)
4457 avio_wb32(pb, get_cluster_duration(track, i));
4458 if (flags & MOV_TRUN_SAMPLE_SIZE)
4459 avio_wb32(pb, track->cluster[i].size);
4460 if (flags & MOV_TRUN_SAMPLE_FLAGS)
4461 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
4462 if (flags & MOV_TRUN_SAMPLE_CTS)
4463 avio_wb32(pb, track->cluster[i].cts);
4466 mov->first_trun = 0;
4467 return update_size(pb, pos);
4470 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
4472 int64_t pos = avio_tell(pb);
4473 static const uint8_t uuid[] = {
4474 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
4475 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
4478 avio_wb32(pb, 0); /* size placeholder */
4479 ffio_wfourcc(pb, "uuid");
4480 avio_write(pb, uuid, sizeof(uuid));
4483 avio_wb64(pb, track->start_dts + track->frag_start +
4484 track->cluster[0].cts);
4485 avio_wb64(pb, track->end_pts -
4486 (track->cluster[0].dts + track->cluster[0].cts));
4488 return update_size(pb, pos);
4491 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
4492 MOVTrack *track, int entry)
4494 int n = track->nb_frag_info - 1 - entry, i;
4495 int size = 8 + 16 + 4 + 1 + 16*n;
4496 static const uint8_t uuid[] = {
4497 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
4498 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
4504 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
4505 avio_wb32(pb, size);
4506 ffio_wfourcc(pb, "uuid");
4507 avio_write(pb, uuid, sizeof(uuid));
4511 for (i = 0; i < n; i++) {
4512 int index = entry + 1 + i;
4513 avio_wb64(pb, track->frag_info[index].time);
4514 avio_wb64(pb, track->frag_info[index].duration);
4516 if (n < mov->ism_lookahead) {
4517 int free_size = 16 * (mov->ism_lookahead - n);
4518 avio_wb32(pb, free_size);
4519 ffio_wfourcc(pb, "free");
4520 ffio_fill(pb, 0, free_size - 8);
4526 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
4529 int64_t pos = avio_tell(pb);
4531 for (i = 0; i < mov->ism_lookahead; i++) {
4532 /* Update the tfrf tag for the last ism_lookahead fragments,
4533 * nb_frag_info - 1 is the next fragment to be written. */
4534 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
4536 avio_seek(pb, pos, SEEK_SET);
4540 static int mov_add_tfra_entries(AVIOContext *pb, MOVMuxContext *mov, int tracks,
4544 for (i = 0; i < mov->nb_streams; i++) {
4545 MOVTrack *track = &mov->tracks[i];
4546 MOVFragmentInfo *info;
4547 if ((tracks >= 0 && i != tracks) || !track->entry)
4549 track->nb_frag_info++;
4550 if (track->nb_frag_info >= track->frag_info_capacity) {
4551 unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT;
4552 if (av_reallocp_array(&track->frag_info,
4554 sizeof(*track->frag_info)))
4555 return AVERROR(ENOMEM);
4556 track->frag_info_capacity = new_capacity;
4558 info = &track->frag_info[track->nb_frag_info - 1];
4559 info->offset = avio_tell(pb);
4561 // Try to recreate the original pts for the first packet
4562 // from the fields we have stored
4563 info->time = track->start_dts + track->frag_start +
4564 track->cluster[0].cts;
4565 info->duration = track->end_pts -
4566 (track->cluster[0].dts + track->cluster[0].cts);
4567 // If the pts is less than zero, we will have trimmed
4568 // away parts of the media track using an edit list,
4569 // and the corresponding start presentation time is zero.
4570 if (info->time < 0) {
4571 info->duration += info->time;
4574 info->tfrf_offset = 0;
4575 mov_write_tfrf_tags(pb, mov, track);
4580 static void mov_prune_frag_info(MOVMuxContext *mov, int tracks, int max)
4583 for (i = 0; i < mov->nb_streams; i++) {
4584 MOVTrack *track = &mov->tracks[i];
4585 if ((tracks >= 0 && i != tracks) || !track->entry)
4587 if (track->nb_frag_info > max) {
4588 memmove(track->frag_info, track->frag_info + (track->nb_frag_info - max), max * sizeof(*track->frag_info));
4589 track->nb_frag_info = max;
4594 static int mov_write_tfdt_tag(AVIOContext *pb, MOVTrack *track)
4596 int64_t pos = avio_tell(pb);
4598 avio_wb32(pb, 0); /* size */
4599 ffio_wfourcc(pb, "tfdt");
4600 avio_w8(pb, 1); /* version */
4602 avio_wb64(pb, track->frag_start);
4603 return update_size(pb, pos);
4606 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
4607 MOVTrack *track, int64_t moof_offset,
4610 int64_t pos = avio_tell(pb);
4612 avio_wb32(pb, 0); /* size placeholder */
4613 ffio_wfourcc(pb, "traf");
4615 mov_write_tfhd_tag(pb, mov, track, moof_offset);
4616 if (mov->mode != MODE_ISM)
4617 mov_write_tfdt_tag(pb, track);
4618 for (i = 1; i < track->entry; i++) {
4619 if (track->cluster[i].pos != track->cluster[i - 1].pos + track->cluster[i - 1].size) {
4620 mov_write_trun_tag(pb, mov, track, moof_size, start, i);
4624 mov_write_trun_tag(pb, mov, track, moof_size, start, track->entry);
4625 if (mov->mode == MODE_ISM) {
4626 mov_write_tfxd_tag(pb, track);
4628 if (mov->ism_lookahead) {
4629 int i, size = 16 + 4 + 1 + 16 * mov->ism_lookahead;
4631 if (track->nb_frag_info > 0) {
4632 MOVFragmentInfo *info = &track->frag_info[track->nb_frag_info - 1];
4633 if (!info->tfrf_offset)
4634 info->tfrf_offset = avio_tell(pb);
4636 avio_wb32(pb, 8 + size);
4637 ffio_wfourcc(pb, "free");
4638 for (i = 0; i < size; i++)
4643 return update_size(pb, pos);
4646 static int mov_write_moof_tag_internal(AVIOContext *pb, MOVMuxContext *mov,
4647 int tracks, int moof_size)
4649 int64_t pos = avio_tell(pb);
4652 avio_wb32(pb, 0); /* size placeholder */
4653 ffio_wfourcc(pb, "moof");
4654 mov->first_trun = 1;
4656 mov_write_mfhd_tag(pb, mov);
4657 for (i = 0; i < mov->nb_streams; i++) {
4658 MOVTrack *track = &mov->tracks[i];
4659 if (tracks >= 0 && i != tracks)
4663 mov_write_traf_tag(pb, mov, track, pos, moof_size);
4666 return update_size(pb, pos);
4669 static int mov_write_sidx_tag(AVIOContext *pb,
4670 MOVTrack *track, int ref_size, int total_sidx_size)
4672 int64_t pos = avio_tell(pb), offset_pos, end_pos;
4673 int64_t presentation_time, duration, offset;
4674 unsigned starts_with_SAP;
4679 presentation_time = track->start_dts + track->frag_start +
4680 track->cluster[0].cts;
4681 duration = track->end_pts -
4682 (track->cluster[0].dts + track->cluster[0].cts);
4683 starts_with_SAP = track->cluster[0].flags & MOV_SYNC_SAMPLE;
4685 // pts<0 should be cut away using edts
4686 if (presentation_time < 0) {
4687 duration += presentation_time;
4688 presentation_time = 0;
4691 entries = track->nb_frag_info;
4694 presentation_time = track->frag_info[0].time;
4697 avio_wb32(pb, 0); /* size */
4698 ffio_wfourcc(pb, "sidx");
4699 avio_w8(pb, 1); /* version */
4701 avio_wb32(pb, track->track_id); /* reference_ID */
4702 avio_wb32(pb, track->timescale); /* timescale */
4703 avio_wb64(pb, presentation_time); /* earliest_presentation_time */
4704 offset_pos = avio_tell(pb);
4705 avio_wb64(pb, 0); /* first_offset (offset to referenced moof) */
4706 avio_wb16(pb, 0); /* reserved */
4708 avio_wb16(pb, entries); /* reference_count */
4709 for (i = 0; i < entries; i++) {
4710 if (!track->entry) {
4711 if (i > 1 && track->frag_info[i].offset != track->frag_info[i - 1].offset + track->frag_info[i - 1].size) {
4712 av_log(NULL, AV_LOG_ERROR, "Non-consecutive fragments, writing incorrect sidx\n");
4714 duration = track->frag_info[i].duration;
4715 ref_size = track->frag_info[i].size;
4716 starts_with_SAP = 1;
4718 avio_wb32(pb, (0 << 31) | (ref_size & 0x7fffffff)); /* reference_type (0 = media) | referenced_size */
4719 avio_wb32(pb, duration); /* subsegment_duration */
4720 avio_wb32(pb, (starts_with_SAP << 31) | (0 << 28) | 0); /* starts_with_SAP | SAP_type | SAP_delta_time */
4723 end_pos = avio_tell(pb);
4724 offset = pos + total_sidx_size - end_pos;
4725 avio_seek(pb, offset_pos, SEEK_SET);
4726 avio_wb64(pb, offset);
4727 avio_seek(pb, end_pos, SEEK_SET);
4728 return update_size(pb, pos);
4731 static int mov_write_sidx_tags(AVIOContext *pb, MOVMuxContext *mov,
4732 int tracks, int ref_size)
4735 AVIOContext *avio_buf;
4737 for (round = 0; round < 2; round++) {
4738 // First run one round to calculate the total size of all
4740 // This would be much simpler if we'd only write one sidx
4741 // atom, for the first track in the moof.
4743 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
4748 for (i = 0; i < mov->nb_streams; i++) {
4749 MOVTrack *track = &mov->tracks[i];
4750 if (tracks >= 0 && i != tracks)
4752 // When writing a sidx for the full file, entry is 0, but
4753 // we want to include all tracks. ref_size is 0 in this case,
4754 // since we read it from frag_info instead.
4755 if (!track->entry && ref_size > 0)
4757 total_size -= mov_write_sidx_tag(avio_buf, track, ref_size,
4761 total_size = ffio_close_null_buf(avio_buf);
4766 static int mov_write_prft_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
4768 int64_t pos = avio_tell(pb), pts_us, ntp_ts;
4769 MOVTrack *first_track;
4772 /* PRFT should be associated with at most one track. So, choosing only the
4776 first_track = &(mov->tracks[0]);
4778 if (!first_track->entry) {
4779 av_log(mov->fc, AV_LOG_WARNING, "Unable to write PRFT, no entries in the track\n");
4783 if (first_track->cluster[0].pts == AV_NOPTS_VALUE) {
4784 av_log(mov->fc, AV_LOG_WARNING, "Unable to write PRFT, first PTS is invalid\n");
4788 if (mov->write_prft == MOV_PRFT_SRC_WALLCLOCK) {
4789 if (first_track->cluster[0].prft.wallclock) {
4790 /* Round the NTP time to whole milliseconds. */
4791 ntp_ts = ff_get_formatted_ntp_time((first_track->cluster[0].prft.wallclock / 1000) * 1000 +
4793 flags = first_track->cluster[0].prft.flags;
4795 ntp_ts = ff_get_formatted_ntp_time(ff_ntp_time());
4796 } else if (mov->write_prft == MOV_PRFT_SRC_PTS) {
4797 pts_us = av_rescale_q(first_track->cluster[0].pts,
4798 first_track->st->time_base, AV_TIME_BASE_Q);
4799 ntp_ts = ff_get_formatted_ntp_time(pts_us + NTP_OFFSET_US);
4801 av_log(mov->fc, AV_LOG_WARNING, "Unsupported PRFT box configuration: %d\n",
4806 avio_wb32(pb, 0); // Size place holder
4807 ffio_wfourcc(pb, "prft"); // Type
4808 avio_w8(pb, 1); // Version
4809 avio_wb24(pb, flags); // Flags
4810 avio_wb32(pb, first_track->track_id); // reference track ID
4811 avio_wb64(pb, ntp_ts); // NTP time stamp
4812 avio_wb64(pb, first_track->cluster[0].pts); //media time
4813 return update_size(pb, pos);
4816 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks,
4819 AVIOContext *avio_buf;
4822 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
4824 mov_write_moof_tag_internal(avio_buf, mov, tracks, 0);
4825 moof_size = ffio_close_null_buf(avio_buf);
4827 if (mov->flags & FF_MOV_FLAG_DASH &&
4828 !(mov->flags & (FF_MOV_FLAG_GLOBAL_SIDX | FF_MOV_FLAG_SKIP_SIDX)))
4829 mov_write_sidx_tags(pb, mov, tracks, moof_size + 8 + mdat_size);
4831 if (mov->write_prft > MOV_PRFT_NONE && mov->write_prft < MOV_PRFT_NB)
4832 mov_write_prft_tag(pb, mov, tracks);
4834 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX ||
4835 !(mov->flags & FF_MOV_FLAG_SKIP_TRAILER) ||
4836 mov->ism_lookahead) {
4837 if ((ret = mov_add_tfra_entries(pb, mov, tracks, moof_size + 8 + mdat_size)) < 0)
4839 if (!(mov->flags & FF_MOV_FLAG_GLOBAL_SIDX) &&
4840 mov->flags & FF_MOV_FLAG_SKIP_TRAILER) {
4841 mov_prune_frag_info(mov, tracks, mov->ism_lookahead + 1);
4845 return mov_write_moof_tag_internal(pb, mov, tracks, moof_size);
4848 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
4850 int64_t pos = avio_tell(pb);
4853 avio_wb32(pb, 0); /* size placeholder */
4854 ffio_wfourcc(pb, "tfra");
4855 avio_w8(pb, 1); /* version */
4858 avio_wb32(pb, track->track_id);
4859 avio_wb32(pb, 0); /* length of traf/trun/sample num */
4860 avio_wb32(pb, track->nb_frag_info);
4861 for (i = 0; i < track->nb_frag_info; i++) {
4862 avio_wb64(pb, track->frag_info[i].time);
4863 avio_wb64(pb, track->frag_info[i].offset + track->data_offset);
4864 avio_w8(pb, 1); /* traf number */
4865 avio_w8(pb, 1); /* trun number */
4866 avio_w8(pb, 1); /* sample number */
4869 return update_size(pb, pos);
4872 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
4874 AVIOContext *mfra_pb;
4878 ret = avio_open_dyn_buf(&mfra_pb);
4882 avio_wb32(mfra_pb, 0); /* size placeholder */
4883 ffio_wfourcc(mfra_pb, "mfra");
4884 /* An empty mfra atom is enough to indicate to the publishing point that
4885 * the stream has ended. */
4886 if (mov->flags & FF_MOV_FLAG_ISML)
4889 for (i = 0; i < mov->nb_streams; i++) {
4890 MOVTrack *track = &mov->tracks[i];
4891 if (track->nb_frag_info)
4892 mov_write_tfra_tag(mfra_pb, track);
4895 avio_wb32(mfra_pb, 16);
4896 ffio_wfourcc(mfra_pb, "mfro");
4897 avio_wb32(mfra_pb, 0); /* version + flags */
4898 avio_wb32(mfra_pb, avio_tell(mfra_pb) + 4);
4902 sz = update_size(mfra_pb, 0);
4903 ret = avio_get_dyn_buf(mfra_pb, &buf);
4904 avio_write(pb, buf, ret);
4905 ffio_free_dyn_buf(&mfra_pb);
4910 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
4912 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
4913 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
4915 mov->mdat_pos = avio_tell(pb);
4916 avio_wb32(pb, 0); /* size placeholder*/
4917 ffio_wfourcc(pb, "mdat");
4921 static void mov_write_ftyp_tag_internal(AVIOContext *pb, AVFormatContext *s,
4922 int has_h264, int has_video, int write_minor)
4924 MOVMuxContext *mov = s->priv_data;
4927 if (mov->major_brand && strlen(mov->major_brand) >= 4)
4928 ffio_wfourcc(pb, mov->major_brand);
4929 else if (mov->mode == MODE_3GP) {
4930 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
4931 minor = has_h264 ? 0x100 : 0x200;
4932 } else if (mov->mode & MODE_3G2) {
4933 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
4934 minor = has_h264 ? 0x20000 : 0x10000;
4935 } else if (mov->mode == MODE_PSP)
4936 ffio_wfourcc(pb, "MSNV");
4937 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_FRAGMENT &&
4938 mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4939 ffio_wfourcc(pb, "iso6"); // Required when using signed CTS offsets in trun boxes
4940 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
4941 ffio_wfourcc(pb, "iso5"); // Required when using default-base-is-moof
4942 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4943 ffio_wfourcc(pb, "iso4");
4944 else if (mov->mode == MODE_MP4)
4945 ffio_wfourcc(pb, "isom");
4946 else if (mov->mode == MODE_IPOD)
4947 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
4948 else if (mov->mode == MODE_ISM)
4949 ffio_wfourcc(pb, "isml");
4950 else if (mov->mode == MODE_F4V)
4951 ffio_wfourcc(pb, "f4v ");
4953 ffio_wfourcc(pb, "qt ");
4956 avio_wb32(pb, minor);
4959 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
4961 MOVMuxContext *mov = s->priv_data;
4962 int64_t pos = avio_tell(pb);
4963 int has_h264 = 0, has_av1 = 0, has_video = 0;
4966 for (i = 0; i < s->nb_streams; i++) {
4967 AVStream *st = s->streams[i];
4968 if (is_cover_image(st))
4970 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
4972 if (st->codecpar->codec_id == AV_CODEC_ID_H264)
4974 if (st->codecpar->codec_id == AV_CODEC_ID_AV1)
4978 avio_wb32(pb, 0); /* size */
4979 ffio_wfourcc(pb, "ftyp");
4981 // Write major brand
4982 mov_write_ftyp_tag_internal(pb, s, has_h264, has_video, 1);
4983 // Write the major brand as the first compatible brand as well
4984 mov_write_ftyp_tag_internal(pb, s, has_h264, has_video, 0);
4986 // Write compatible brands, ensuring that we don't write the major brand as a
4987 // compatible brand a second time.
4988 if (mov->mode == MODE_ISM) {
4989 ffio_wfourcc(pb, "piff");
4990 } else if (mov->mode != MODE_MOV) {
4991 // We add tfdt atoms when fragmenting, signal this with the iso6 compatible
4992 // brand, if not already the major brand. This is compatible with users that
4993 // don't understand tfdt.
4994 if (mov->mode == MODE_MP4) {
4995 if (mov->flags & FF_MOV_FLAG_CMAF)
4996 ffio_wfourcc(pb, "cmfc");
4997 if (mov->flags & FF_MOV_FLAG_FRAGMENT && !(mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS))
4998 ffio_wfourcc(pb, "iso6");
5000 ffio_wfourcc(pb, "av01");
5002 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
5003 ffio_wfourcc(pb, "iso6");
5004 if (mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
5005 ffio_wfourcc(pb, "iso5");
5006 else if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
5007 ffio_wfourcc(pb, "iso4");
5009 // Brands prior to iso5 can't be signaled when using default-base-is-moof
5010 if (!(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)) {
5011 // write isom for mp4 only if it it's not the major brand already.
5012 if (mov->mode != MODE_MP4 || mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
5013 ffio_wfourcc(pb, "isom");
5014 ffio_wfourcc(pb, "iso2");
5016 ffio_wfourcc(pb, "avc1");
5020 if (mov->mode == MODE_MP4)
5021 ffio_wfourcc(pb, "mp41");
5023 if (mov->flags & FF_MOV_FLAG_DASH && mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
5024 ffio_wfourcc(pb, "dash");
5026 return update_size(pb, pos);
5029 static int mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
5031 AVStream *video_st = s->streams[0];
5032 AVCodecParameters *video_par = s->streams[0]->codecpar;
5033 AVCodecParameters *audio_par = s->streams[1]->codecpar;
5034 int audio_rate = audio_par->sample_rate;
5035 int64_t frame_rate = video_st->avg_frame_rate.den ?
5036 (video_st->avg_frame_rate.num * 0x10000LL) / video_st->avg_frame_rate.den :
5038 int audio_kbitrate = audio_par->bit_rate / 1000;
5039 int video_kbitrate = FFMIN(video_par->bit_rate / 1000, 800 - audio_kbitrate);
5041 if (frame_rate < 0 || frame_rate > INT32_MAX) {
5042 av_log(s, AV_LOG_ERROR, "Frame rate %f outside supported range\n", frame_rate / (double)0x10000);
5043 return AVERROR(EINVAL);
5046 avio_wb32(pb, 0x94); /* size */
5047 ffio_wfourcc(pb, "uuid");
5048 ffio_wfourcc(pb, "PROF");
5050 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
5051 avio_wb32(pb, 0xbb88695c);
5052 avio_wb32(pb, 0xfac9c740);
5054 avio_wb32(pb, 0x0); /* ? */
5055 avio_wb32(pb, 0x3); /* 3 sections ? */
5057 avio_wb32(pb, 0x14); /* size */
5058 ffio_wfourcc(pb, "FPRF");
5059 avio_wb32(pb, 0x0); /* ? */
5060 avio_wb32(pb, 0x0); /* ? */
5061 avio_wb32(pb, 0x0); /* ? */
5063 avio_wb32(pb, 0x2c); /* size */
5064 ffio_wfourcc(pb, "APRF"); /* audio */
5066 avio_wb32(pb, 0x2); /* TrackID */
5067 ffio_wfourcc(pb, "mp4a");
5068 avio_wb32(pb, 0x20f);
5070 avio_wb32(pb, audio_kbitrate);
5071 avio_wb32(pb, audio_kbitrate);
5072 avio_wb32(pb, audio_rate);
5073 avio_wb32(pb, audio_par->channels);
5075 avio_wb32(pb, 0x34); /* size */
5076 ffio_wfourcc(pb, "VPRF"); /* video */
5078 avio_wb32(pb, 0x1); /* TrackID */
5079 if (video_par->codec_id == AV_CODEC_ID_H264) {
5080 ffio_wfourcc(pb, "avc1");
5081 avio_wb16(pb, 0x014D);
5082 avio_wb16(pb, 0x0015);
5084 ffio_wfourcc(pb, "mp4v");
5085 avio_wb16(pb, 0x0000);
5086 avio_wb16(pb, 0x0103);
5089 avio_wb32(pb, video_kbitrate);
5090 avio_wb32(pb, video_kbitrate);
5091 avio_wb32(pb, frame_rate);
5092 avio_wb32(pb, frame_rate);
5093 avio_wb16(pb, video_par->width);
5094 avio_wb16(pb, video_par->height);
5095 avio_wb32(pb, 0x010001); /* ? */
5100 static int mov_write_identification(AVIOContext *pb, AVFormatContext *s)
5102 MOVMuxContext *mov = s->priv_data;
5105 mov_write_ftyp_tag(pb,s);
5106 if (mov->mode == MODE_PSP) {
5107 int video_streams_nb = 0, audio_streams_nb = 0, other_streams_nb = 0;
5108 for (i = 0; i < s->nb_streams; i++) {
5109 AVStream *st = s->streams[i];
5110 if (is_cover_image(st))
5112 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
5114 else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
5120 if (video_streams_nb != 1 || audio_streams_nb != 1 || other_streams_nb) {
5121 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
5122 return AVERROR(EINVAL);
5124 return mov_write_uuidprof_tag(pb, s);
5129 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
5132 int i, closed_gop = 0;
5134 for (i = 0; i < pkt->size - 4; i++) {
5135 c = (c << 8) + pkt->data[i];
5136 if (c == 0x1b8) { // gop
5137 closed_gop = pkt->data[i + 4] >> 6 & 0x01;
5138 } else if (c == 0x100) { // pic
5139 int temp_ref = (pkt->data[i + 1] << 2) | (pkt->data[i + 2] >> 6);
5140 if (!temp_ref || closed_gop) // I picture is not reordered
5141 *flags = MOV_SYNC_SAMPLE;
5143 *flags = MOV_PARTIAL_SYNC_SAMPLE;
5150 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk)
5152 const uint8_t *start, *next, *end = pkt->data + pkt->size;
5153 int seq = 0, entry = 0;
5154 int key = pkt->flags & AV_PKT_FLAG_KEY;
5155 start = find_next_marker(pkt->data, end);
5156 for (next = start; next < end; start = next) {
5157 next = find_next_marker(start + 4, end);
5158 switch (AV_RB32(start)) {
5159 case VC1_CODE_SEQHDR:
5162 case VC1_CODE_ENTRYPOINT:
5165 case VC1_CODE_SLICE:
5166 trk->vc1_info.slices = 1;
5170 if (!trk->entry && trk->vc1_info.first_packet_seen)
5171 trk->vc1_info.first_frag_written = 1;
5172 if (!trk->entry && !trk->vc1_info.first_frag_written) {
5173 /* First packet in first fragment */
5174 trk->vc1_info.first_packet_seq = seq;
5175 trk->vc1_info.first_packet_entry = entry;
5176 trk->vc1_info.first_packet_seen = 1;
5177 } else if ((seq && !trk->vc1_info.packet_seq) ||
5178 (entry && !trk->vc1_info.packet_entry)) {
5180 for (i = 0; i < trk->entry; i++)
5181 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
5182 trk->has_keyframes = 0;
5184 trk->vc1_info.packet_seq = 1;
5186 trk->vc1_info.packet_entry = 1;
5187 if (!trk->vc1_info.first_frag_written) {
5188 /* First fragment */
5189 if ((!seq || trk->vc1_info.first_packet_seq) &&
5190 (!entry || trk->vc1_info.first_packet_entry)) {
5191 /* First packet had the same headers as this one, readd the
5192 * sync sample flag. */
5193 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
5194 trk->has_keyframes = 1;
5198 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
5200 else if (trk->vc1_info.packet_seq)
5202 else if (trk->vc1_info.packet_entry)
5205 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
5206 trk->has_keyframes++;
5210 static void mov_parse_truehd_frame(AVPacket *pkt, MOVTrack *trk)
5217 length = (AV_RB16(pkt->data) & 0xFFF) * 2;
5218 if (length < 8 || length > pkt->size)
5221 if (AV_RB32(pkt->data + 4) == 0xF8726FBA) {
5222 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
5223 trk->has_keyframes++;
5229 static int mov_flush_fragment_interleaving(AVFormatContext *s, MOVTrack *track)
5231 MOVMuxContext *mov = s->priv_data;
5236 if (!track->mdat_buf)
5238 if (!mov->mdat_buf) {
5239 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
5242 buf_size = avio_get_dyn_buf(track->mdat_buf, &buf);
5244 offset = avio_tell(mov->mdat_buf);
5245 avio_write(mov->mdat_buf, buf, buf_size);
5246 ffio_free_dyn_buf(&track->mdat_buf);
5248 for (i = track->entries_flushed; i < track->entry; i++)
5249 track->cluster[i].pos += offset;
5250 track->entries_flushed = track->entry;
5254 static int mov_flush_fragment(AVFormatContext *s, int force)
5256 MOVMuxContext *mov = s->priv_data;
5257 int i, first_track = -1;
5258 int64_t mdat_size = 0;
5260 int has_video = 0, starts_with_key = 0, first_video_track = 1;
5262 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
5265 // Try to fill in the duration of the last packet in each stream
5266 // from queued packets in the interleave queues. If the flushing
5267 // of fragments was triggered automatically by an AVPacket, we
5268 // already have reliable info for the end of that track, but other
5269 // tracks may need to be filled in.
5270 for (i = 0; i < s->nb_streams; i++) {
5271 MOVTrack *track = &mov->tracks[i];
5272 if (!track->end_reliable) {
5274 if (!ff_interleaved_peek(s, i, &pkt, 1)) {
5275 if (track->dts_shift != AV_NOPTS_VALUE)
5276 pkt.dts += track->dts_shift;
5277 track->track_duration = pkt.dts - track->start_dts;
5278 if (pkt.pts != AV_NOPTS_VALUE)
5279 track->end_pts = pkt.pts;
5281 track->end_pts = pkt.dts;
5286 for (i = 0; i < mov->nb_streams; i++) {
5287 MOVTrack *track = &mov->tracks[i];
5288 if (track->entry <= 1)
5290 // Sample durations are calculated as the diff of dts values,
5291 // but for the last sample in a fragment, we don't know the dts
5292 // of the first sample in the next fragment, so we have to rely
5293 // on what was set as duration in the AVPacket. Not all callers
5294 // set this though, so we might want to replace it with an
5295 // estimate if it currently is zero.
5296 if (get_cluster_duration(track, track->entry - 1) != 0)
5298 // Use the duration (i.e. dts diff) of the second last sample for
5299 // the last one. This is a wild guess (and fatal if it turns out
5300 // to be too long), but probably the best we can do - having a zero
5301 // duration is bad as well.
5302 track->track_duration += get_cluster_duration(track, track->entry - 2);
5303 track->end_pts += get_cluster_duration(track, track->entry - 2);
5304 if (!mov->missing_duration_warned) {
5305 av_log(s, AV_LOG_WARNING,
5306 "Estimating the duration of the last packet in a "
5307 "fragment, consider setting the duration field in "
5308 "AVPacket instead.\n");
5309 mov->missing_duration_warned = 1;
5313 if (!mov->moov_written) {
5314 int64_t pos = avio_tell(s->pb);
5316 int buf_size, moov_size;
5318 for (i = 0; i < mov->nb_streams; i++)
5319 if (!mov->tracks[i].entry && !is_cover_image(mov->tracks[i].st))
5321 /* Don't write the initial moov unless all tracks have data */
5322 if (i < mov->nb_streams && !force)
5325 moov_size = get_moov_size(s);
5326 for (i = 0; i < mov->nb_streams; i++)
5327 mov->tracks[i].data_offset = pos + moov_size + 8;
5329 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_HEADER);
5330 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
5331 mov_write_identification(s->pb, s);
5332 if ((ret = mov_write_moov_tag(s->pb, mov, s)) < 0)
5335 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV) {
5336 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
5337 mov->reserved_header_pos = avio_tell(s->pb);
5338 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
5339 mov->moov_written = 1;
5343 buf_size = avio_get_dyn_buf(mov->mdat_buf, &buf);
5344 avio_wb32(s->pb, buf_size + 8);
5345 ffio_wfourcc(s->pb, "mdat");
5346 avio_write(s->pb, buf, buf_size);
5347 ffio_free_dyn_buf(&mov->mdat_buf);
5349 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
5350 mov->reserved_header_pos = avio_tell(s->pb);
5352 mov->moov_written = 1;
5354 for (i = 0; i < mov->nb_streams; i++) {
5355 if (mov->tracks[i].entry)
5356 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
5357 mov->tracks[i].track_duration -
5358 mov->tracks[i].cluster[0].dts;
5359 mov->tracks[i].entry = 0;
5360 mov->tracks[i].end_reliable = 0;
5362 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
5366 if (mov->frag_interleave) {
5367 for (i = 0; i < mov->nb_streams; i++) {
5368 MOVTrack *track = &mov->tracks[i];
5370 if ((ret = mov_flush_fragment_interleaving(s, track)) < 0)
5376 mdat_size = avio_tell(mov->mdat_buf);
5379 for (i = 0; i < mov->nb_streams; i++) {
5380 MOVTrack *track = &mov->tracks[i];
5381 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF || mov->frag_interleave)
5382 track->data_offset = 0;
5384 track->data_offset = mdat_size;
5385 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
5387 if (first_video_track) {
5389 starts_with_key = track->cluster[0].flags & MOV_SYNC_SAMPLE;
5390 first_video_track = 0;
5395 if (track->mdat_buf)
5396 mdat_size += avio_tell(track->mdat_buf);
5397 if (first_track < 0)
5404 avio_write_marker(s->pb,
5405 av_rescale(mov->tracks[first_track].cluster[0].dts, AV_TIME_BASE, mov->tracks[first_track].timescale),
5406 (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);
5408 for (i = 0; i < mov->nb_streams; i++) {
5409 MOVTrack *track = &mov->tracks[i];
5410 int buf_size, write_moof = 1, moof_tracks = -1;
5412 int64_t duration = 0;
5415 duration = track->start_dts + track->track_duration -
5416 track->cluster[0].dts;
5417 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
5418 if (!track->mdat_buf)
5420 mdat_size = avio_tell(track->mdat_buf);
5423 write_moof = i == first_track;
5427 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
5429 mov_write_moof_tag(s->pb, mov, moof_tracks, mdat_size);
5432 avio_wb32(s->pb, mdat_size + 8);
5433 ffio_wfourcc(s->pb, "mdat");
5437 track->frag_start += duration;
5439 track->entries_flushed = 0;
5440 track->end_reliable = 0;
5441 if (!mov->frag_interleave) {
5442 if (!track->mdat_buf)
5444 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
5445 track->mdat_buf = NULL;
5449 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
5450 mov->mdat_buf = NULL;
5453 avio_write(s->pb, buf, buf_size);
5459 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
5463 static int mov_auto_flush_fragment(AVFormatContext *s, int force)
5465 MOVMuxContext *mov = s->priv_data;
5466 int had_moov = mov->moov_written;
5467 int ret = mov_flush_fragment(s, force);
5470 // If using delay_moov, the first flush only wrote the moov,
5471 // not the actual moof+mdat pair, thus flush once again.
5472 if (!had_moov && mov->flags & FF_MOV_FLAG_DELAY_MOOV)
5473 ret = mov_flush_fragment(s, force);
5477 static int check_pkt(AVFormatContext *s, AVPacket *pkt)
5479 MOVMuxContext *mov = s->priv_data;
5480 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5485 ref = trk->cluster[trk->entry - 1].dts;
5486 } else if ( trk->start_dts != AV_NOPTS_VALUE
5487 && !trk->frag_discont) {
5488 ref = trk->start_dts + trk->track_duration;
5490 ref = pkt->dts; // Skip tests for the first packet
5492 if (trk->dts_shift != AV_NOPTS_VALUE) {
5493 /* With negative CTS offsets we have set an offset to the DTS,
5494 * reverse this for the check. */
5495 ref -= trk->dts_shift;
5498 duration = pkt->dts - ref;
5499 if (pkt->dts < ref || duration >= INT_MAX) {
5500 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" / timestamp: %"PRId64" is out of range for mov/mp4 format\n",
5505 pkt->pts = AV_NOPTS_VALUE;
5508 if (pkt->duration < 0 || pkt->duration > INT_MAX) {
5509 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" is invalid\n", pkt->duration);
5510 return AVERROR(EINVAL);
5515 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
5517 MOVMuxContext *mov = s->priv_data;
5518 AVIOContext *pb = s->pb;
5519 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5520 AVCodecParameters *par = trk->par;
5521 AVProducerReferenceTime *prft;
5522 unsigned int samples_in_chunk = 0;
5523 int size = pkt->size, ret = 0, offset = 0;
5525 uint8_t *reformatted_data = NULL;
5527 ret = check_pkt(s, pkt);
5531 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
5533 if (mov->moov_written || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
5534 if (mov->frag_interleave && mov->fragments > 0) {
5535 if (trk->entry - trk->entries_flushed >= mov->frag_interleave) {
5536 if ((ret = mov_flush_fragment_interleaving(s, trk)) < 0)
5541 if (!trk->mdat_buf) {
5542 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
5547 if (!mov->mdat_buf) {
5548 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
5555 if (par->codec_id == AV_CODEC_ID_AMR_NB) {
5556 /* We must find out how many AMR blocks there are in one packet */
5557 static const uint16_t packed_size[16] =
5558 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
5561 while (len < size && samples_in_chunk < 100) {
5562 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
5565 if (samples_in_chunk > 1) {
5566 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
5569 } else if (par->codec_id == AV_CODEC_ID_ADPCM_MS ||
5570 par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
5571 samples_in_chunk = trk->par->frame_size;
5572 } else if (trk->sample_size)
5573 samples_in_chunk = size / trk->sample_size;
5575 samples_in_chunk = 1;
5577 if (samples_in_chunk < 1) {
5578 av_log(s, AV_LOG_ERROR, "fatal error, input packet contains no samples\n");
5579 return AVERROR_PATCHWELCOME;
5582 /* copy extradata if it exists */
5583 if (trk->vos_len == 0 && par->extradata_size > 0 &&
5584 !TAG_IS_AVCI(trk->tag) &&
5585 (par->codec_id != AV_CODEC_ID_DNXHD)) {
5586 trk->vos_len = par->extradata_size;
5587 trk->vos_data = av_malloc(trk->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
5588 if (!trk->vos_data) {
5589 ret = AVERROR(ENOMEM);
5592 memcpy(trk->vos_data, par->extradata, trk->vos_len);
5593 memset(trk->vos_data + trk->vos_len, 0, AV_INPUT_BUFFER_PADDING_SIZE);
5596 if ((par->codec_id == AV_CODEC_ID_DNXHD ||
5597 par->codec_id == AV_CODEC_ID_H264 ||
5598 par->codec_id == AV_CODEC_ID_HEVC ||
5599 par->codec_id == AV_CODEC_ID_TRUEHD ||
5600 par->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len &&
5601 !TAG_IS_AVCI(trk->tag)) {
5602 /* copy frame to create needed atoms */
5603 trk->vos_len = size;
5604 trk->vos_data = av_malloc(size + AV_INPUT_BUFFER_PADDING_SIZE);
5605 if (!trk->vos_data) {
5606 ret = AVERROR(ENOMEM);
5609 memcpy(trk->vos_data, pkt->data, size);
5610 memset(trk->vos_data + size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
5613 if (par->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 &&
5614 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
5615 if (!s->streams[pkt->stream_index]->nb_frames) {
5616 av_log(s, AV_LOG_ERROR, "Malformed AAC bitstream detected: "
5617 "use the audio bitstream filter 'aac_adtstoasc' to fix it "
5618 "('-bsf:a aac_adtstoasc' option with ffmpeg)\n");
5621 av_log(s, AV_LOG_WARNING, "aac bitstream error\n");
5623 if (par->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1 && !TAG_IS_AVCI(trk->tag)) {
5624 /* from x264 or from bytestream H.264 */
5625 /* NAL reformatting needed */
5626 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5627 ret = ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
5631 avio_write(pb, reformatted_data, size);
5633 if (trk->cenc.aes_ctr) {
5634 size = ff_mov_cenc_avc_parse_nal_units(&trk->cenc, pb, pkt->data, size);
5640 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
5643 } else if (par->codec_id == AV_CODEC_ID_HEVC && trk->vos_len > 6 &&
5644 (AV_RB24(trk->vos_data) == 1 || AV_RB32(trk->vos_data) == 1)) {
5645 /* extradata is Annex B, assume the bitstream is too and convert it */
5646 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5647 ret = ff_hevc_annexb2mp4_buf(pkt->data, &reformatted_data,
5651 avio_write(pb, reformatted_data, size);
5653 size = ff_hevc_annexb2mp4(pb, pkt->data, pkt->size, 0, NULL);
5655 } else if (par->codec_id == AV_CODEC_ID_AV1) {
5656 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5657 ret = ff_av1_filter_obus_buf(pkt->data, &reformatted_data,
5661 avio_write(pb, reformatted_data, size);
5663 size = ff_av1_filter_obus(pb, pkt->data, pkt->size);
5665 #if CONFIG_AC3_PARSER
5666 } else if (par->codec_id == AV_CODEC_ID_EAC3) {
5667 size = handle_eac3(mov, pkt, trk);
5672 avio_write(pb, pkt->data, size);
5674 } else if (par->codec_id == AV_CODEC_ID_EIA_608) {
5677 for (int i = 0; i < pkt->size; i += 3) {
5678 if (pkt->data[i] == 0xFC) {
5682 avio_wb32(pb, size);
5683 ffio_wfourcc(pb, "cdat");
5684 for (int i = 0; i < pkt->size; i += 3) {
5685 if (pkt->data[i] == 0xFC) {
5686 avio_w8(pb, pkt->data[i + 1]);
5687 avio_w8(pb, pkt->data[i + 2]);
5691 if (trk->cenc.aes_ctr) {
5692 if (par->codec_id == AV_CODEC_ID_H264 && par->extradata_size > 4) {
5693 int nal_size_length = (par->extradata[4] & 0x3) + 1;
5694 ret = ff_mov_cenc_avc_write_nal_units(s, &trk->cenc, nal_size_length, pb, pkt->data, size);
5696 ret = ff_mov_cenc_write_packet(&trk->cenc, pb, pkt->data, size);
5703 avio_write(pb, pkt->data, size);
5707 if (trk->entry >= trk->cluster_capacity) {
5708 unsigned new_capacity = trk->entry + MOV_INDEX_CLUSTER_SIZE;
5709 if (av_reallocp_array(&trk->cluster, new_capacity,
5710 sizeof(*trk->cluster))) {
5711 ret = AVERROR(ENOMEM);
5714 trk->cluster_capacity = new_capacity;
5717 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
5718 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
5719 trk->cluster[trk->entry].chunkNum = 0;
5720 trk->cluster[trk->entry].size = size;
5721 trk->cluster[trk->entry].entries = samples_in_chunk;
5722 trk->cluster[trk->entry].dts = pkt->dts;
5723 trk->cluster[trk->entry].pts = pkt->pts;
5724 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
5725 if (!trk->frag_discont) {
5726 /* First packet of a new fragment. We already wrote the duration
5727 * of the last packet of the previous fragment based on track_duration,
5728 * which might not exactly match our dts. Therefore adjust the dts
5729 * of this packet to be what the previous packets duration implies. */
5730 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
5731 /* We also may have written the pts and the corresponding duration
5732 * in sidx/tfrf/tfxd tags; make sure the sidx pts and duration match up with
5733 * the next fragment. This means the cts of the first sample must
5734 * be the same in all fragments, unless end_pts was updated by
5735 * the packet causing the fragment to be written. */
5736 if ((mov->flags & FF_MOV_FLAG_DASH &&
5737 !(mov->flags & (FF_MOV_FLAG_GLOBAL_SIDX | FF_MOV_FLAG_SKIP_SIDX))) ||
5738 mov->mode == MODE_ISM)
5739 pkt->pts = pkt->dts + trk->end_pts - trk->cluster[trk->entry].dts;
5741 /* New fragment, but discontinuous from previous fragments.
5742 * Pretend the duration sum of the earlier fragments is
5743 * pkt->dts - trk->start_dts. */
5744 trk->frag_start = pkt->dts - trk->start_dts;
5745 trk->end_pts = AV_NOPTS_VALUE;
5746 trk->frag_discont = 0;
5750 if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !mov->use_editlist &&
5751 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO) {
5752 /* Not using edit lists and shifting the first track to start from zero.
5753 * If the other streams start from a later timestamp, we won't be able
5754 * to signal the difference in starting time without an edit list.
5755 * Thus move the timestamp for this first sample to 0, increasing
5756 * its duration instead. */
5757 trk->cluster[trk->entry].dts = trk->start_dts = 0;
5759 if (trk->start_dts == AV_NOPTS_VALUE) {
5760 trk->start_dts = pkt->dts;
5761 if (trk->frag_discont) {
5762 if (mov->use_editlist) {
5763 /* Pretend the whole stream started at pts=0, with earlier fragments
5764 * already written. If the stream started at pts=0, the duration sum
5765 * of earlier fragments would have been pkt->pts. */
5766 trk->frag_start = pkt->pts;
5767 trk->start_dts = pkt->dts - pkt->pts;
5769 /* Pretend the whole stream started at dts=0, with earlier fragments
5770 * already written, with a duration summing up to pkt->dts. */
5771 trk->frag_start = pkt->dts;
5774 trk->frag_discont = 0;
5775 } else if (pkt->dts && mov->moov_written)
5776 av_log(s, AV_LOG_WARNING,
5777 "Track %d starts with a nonzero dts %"PRId64", while the moov "
5778 "already has been written. Set the delay_moov flag to handle "
5780 pkt->stream_index, pkt->dts);
5782 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
5783 trk->last_sample_is_subtitle_end = 0;
5785 if (pkt->pts == AV_NOPTS_VALUE) {
5786 av_log(s, AV_LOG_WARNING, "pts has no value\n");
5787 pkt->pts = pkt->dts;
5789 if (pkt->dts != pkt->pts)
5790 trk->flags |= MOV_TRACK_CTTS;
5791 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
5792 trk->cluster[trk->entry].flags = 0;
5793 if (trk->start_cts == AV_NOPTS_VALUE)
5794 trk->start_cts = pkt->pts - pkt->dts;
5795 if (trk->end_pts == AV_NOPTS_VALUE)
5796 trk->end_pts = trk->cluster[trk->entry].dts +
5797 trk->cluster[trk->entry].cts + pkt->duration;
5799 trk->end_pts = FFMAX(trk->end_pts, trk->cluster[trk->entry].dts +
5800 trk->cluster[trk->entry].cts +
5803 if (par->codec_id == AV_CODEC_ID_VC1) {
5804 mov_parse_vc1_frame(pkt, trk);
5805 } else if (par->codec_id == AV_CODEC_ID_TRUEHD) {
5806 mov_parse_truehd_frame(pkt, trk);
5807 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
5808 if (mov->mode == MODE_MOV && par->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
5809 trk->entry > 0) { // force sync sample for the first key frame
5810 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
5811 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
5812 trk->flags |= MOV_TRACK_STPS;
5814 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
5816 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
5817 trk->has_keyframes++;
5819 if (pkt->flags & AV_PKT_FLAG_DISPOSABLE) {
5820 trk->cluster[trk->entry].flags |= MOV_DISPOSABLE_SAMPLE;
5821 trk->has_disposable++;
5824 prft = (AVProducerReferenceTime *)av_packet_get_side_data(pkt, AV_PKT_DATA_PRFT, &prft_size);
5825 if (prft && prft_size == sizeof(AVProducerReferenceTime))
5826 memcpy(&trk->cluster[trk->entry].prft, prft, prft_size);
5828 memset(&trk->cluster[trk->entry].prft, 0, sizeof(AVProducerReferenceTime));
5831 trk->sample_count += samples_in_chunk;
5832 mov->mdat_size += size;
5834 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
5835 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
5836 reformatted_data ? reformatted_data + offset
5842 if (pkt->data != reformatted_data)
5843 av_free(reformatted_data);
5847 static int mov_write_single_packet(AVFormatContext *s, AVPacket *pkt)
5849 MOVMuxContext *mov = s->priv_data;
5850 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5851 AVCodecParameters *par = trk->par;
5852 int64_t frag_duration = 0;
5853 int size = pkt->size;
5855 int ret = check_pkt(s, pkt);
5859 if (mov->flags & FF_MOV_FLAG_FRAG_DISCONT) {
5861 for (i = 0; i < s->nb_streams; i++)
5862 mov->tracks[i].frag_discont = 1;
5863 mov->flags &= ~FF_MOV_FLAG_FRAG_DISCONT;
5866 if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS) {
5867 if (trk->dts_shift == AV_NOPTS_VALUE)
5868 trk->dts_shift = pkt->pts - pkt->dts;
5869 pkt->dts += trk->dts_shift;
5872 if (trk->par->codec_id == AV_CODEC_ID_MP4ALS ||
5873 trk->par->codec_id == AV_CODEC_ID_AAC ||
5874 trk->par->codec_id == AV_CODEC_ID_AV1 ||
5875 trk->par->codec_id == AV_CODEC_ID_FLAC) {
5877 uint8_t *side = av_packet_get_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA, &side_size);
5878 if (side && side_size > 0 && (side_size != par->extradata_size || memcmp(side, par->extradata, side_size))) {
5879 void *newextra = av_mallocz(side_size + AV_INPUT_BUFFER_PADDING_SIZE);
5881 return AVERROR(ENOMEM);
5882 av_free(par->extradata);
5883 par->extradata = newextra;
5884 memcpy(par->extradata, side, side_size);
5885 par->extradata_size = side_size;
5886 if (!pkt->size) // Flush packet
5887 mov->need_rewrite_extradata = 1;
5892 if (trk->start_dts == AV_NOPTS_VALUE && trk->frag_discont) {
5893 trk->start_dts = pkt->dts;
5894 if (pkt->pts != AV_NOPTS_VALUE)
5895 trk->start_cts = pkt->pts - pkt->dts;
5900 return 0; /* Discard 0 sized packets */
5903 if (trk->entry && pkt->stream_index < s->nb_streams)
5904 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
5905 s->streams[pkt->stream_index]->time_base,
5907 if ((mov->max_fragment_duration &&
5908 frag_duration >= mov->max_fragment_duration) ||
5909 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
5910 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
5911 par->codec_type == AVMEDIA_TYPE_VIDEO &&
5912 trk->entry && pkt->flags & AV_PKT_FLAG_KEY) ||
5913 (mov->flags & FF_MOV_FLAG_FRAG_EVERY_FRAME)) {
5914 if (frag_duration >= mov->min_fragment_duration) {
5915 // Set the duration of this track to line up with the next
5916 // sample in this track. This avoids relying on AVPacket
5917 // duration, but only helps for this particular track, not
5918 // for the other ones that are flushed at the same time.
5919 trk->track_duration = pkt->dts - trk->start_dts;
5920 if (pkt->pts != AV_NOPTS_VALUE)
5921 trk->end_pts = pkt->pts;
5923 trk->end_pts = pkt->dts;
5924 trk->end_reliable = 1;
5925 mov_auto_flush_fragment(s, 0);
5929 return ff_mov_write_packet(s, pkt);
5932 static int mov_write_subtitle_end_packet(AVFormatContext *s,
5936 uint8_t data[2] = {0};
5939 av_init_packet(&end);
5940 end.size = sizeof(data);
5945 end.stream_index = stream_index;
5947 ret = mov_write_single_packet(s, &end);
5948 av_packet_unref(&end);
5953 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
5955 MOVMuxContext *mov = s->priv_data;
5959 mov_flush_fragment(s, 1);
5963 trk = &mov->tracks[pkt->stream_index];
5965 if (is_cover_image(trk->st)) {
5968 if (trk->st->nb_frames >= 1) {
5969 if (trk->st->nb_frames == 1)
5970 av_log(s, AV_LOG_WARNING, "Got more than one picture in stream %d,"
5971 " ignoring.\n", pkt->stream_index);
5975 if ((ret = av_packet_ref(&trk->cover_image, pkt)) < 0)
5983 return mov_write_single_packet(s, pkt); /* Passthrough. */
5986 * Subtitles require special handling.
5988 * 1) For full complaince, every track must have a sample at
5989 * dts == 0, which is rarely true for subtitles. So, as soon
5990 * as we see any packet with dts > 0, write an empty subtitle
5991 * at dts == 0 for any subtitle track with no samples in it.
5993 * 2) For each subtitle track, check if the current packet's
5994 * dts is past the duration of the last subtitle sample. If
5995 * so, we now need to write an end sample for that subtitle.
5997 * This must be done conditionally to allow for subtitles that
5998 * immediately replace each other, in which case an end sample
5999 * is not needed, and is, in fact, actively harmful.
6001 * 3) See mov_write_trailer for how the final end sample is
6004 for (i = 0; i < mov->nb_streams; i++) {
6005 MOVTrack *trk = &mov->tracks[i];
6008 if (trk->par->codec_id == AV_CODEC_ID_MOV_TEXT &&
6009 trk->track_duration < pkt->dts &&
6010 (trk->entry == 0 || !trk->last_sample_is_subtitle_end)) {
6011 ret = mov_write_subtitle_end_packet(s, i, trk->track_duration);
6012 if (ret < 0) return ret;
6013 trk->last_sample_is_subtitle_end = 1;
6017 if (trk->mode == MODE_MOV && trk->par->codec_type == AVMEDIA_TYPE_VIDEO) {
6018 AVPacket *opkt = pkt;
6019 int reshuffle_ret, ret;
6020 if (trk->is_unaligned_qt_rgb) {
6021 int64_t bpc = trk->par->bits_per_coded_sample != 15 ? trk->par->bits_per_coded_sample : 16;
6022 int expected_stride = ((trk->par->width * bpc + 15) >> 4)*2;
6023 reshuffle_ret = ff_reshuffle_raw_rgb(s, &pkt, trk->par, expected_stride);
6024 if (reshuffle_ret < 0)
6025 return reshuffle_ret;
6028 if (trk->par->format == AV_PIX_FMT_PAL8 && !trk->pal_done) {
6029 ret = ff_get_packet_palette(s, opkt, reshuffle_ret, trk->palette);
6034 } else if (trk->par->codec_id == AV_CODEC_ID_RAWVIDEO &&
6035 (trk->par->format == AV_PIX_FMT_GRAY8 ||
6036 trk->par->format == AV_PIX_FMT_MONOBLACK)) {
6037 for (i = 0; i < pkt->size; i++)
6038 pkt->data[i] = ~pkt->data[i];
6040 if (reshuffle_ret) {
6041 ret = mov_write_single_packet(s, pkt);
6044 av_packet_free(&pkt);
6049 return mov_write_single_packet(s, pkt);
6053 // QuickTime chapters involve an additional text track with the chapter names
6054 // as samples, and a tref pointing from the other tracks to the chapter one.
6055 static int mov_create_chapter_track(AVFormatContext *s, int tracknum)
6059 MOVMuxContext *mov = s->priv_data;
6060 MOVTrack *track = &mov->tracks[tracknum];
6061 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
6064 track->mode = mov->mode;
6065 track->tag = MKTAG('t','e','x','t');
6066 track->timescale = MOV_TIMESCALE;
6067 track->par = avcodec_parameters_alloc();
6069 return AVERROR(ENOMEM);
6070 track->par->codec_type = AVMEDIA_TYPE_SUBTITLE;
6072 // These properties are required to make QT recognize the chapter track
6073 uint8_t chapter_properties[43] = { 0, 0, 0, 0, 0, 0, 0, 1, };
6074 if (ff_alloc_extradata(track->par, sizeof(chapter_properties)))
6075 return AVERROR(ENOMEM);
6076 memcpy(track->par->extradata, chapter_properties, sizeof(chapter_properties));
6078 if (avio_open_dyn_buf(&pb) >= 0) {
6082 /* Stub header (usually for Quicktime chapter track) */
6084 avio_wb32(pb, 0x01); // displayFlags
6085 avio_w8(pb, 0x00); // horizontal justification
6086 avio_w8(pb, 0x00); // vertical justification
6087 avio_w8(pb, 0x00); // bgColourRed
6088 avio_w8(pb, 0x00); // bgColourGreen
6089 avio_w8(pb, 0x00); // bgColourBlue
6090 avio_w8(pb, 0x00); // bgColourAlpha
6092 avio_wb16(pb, 0x00); // defTextBoxTop
6093 avio_wb16(pb, 0x00); // defTextBoxLeft
6094 avio_wb16(pb, 0x00); // defTextBoxBottom
6095 avio_wb16(pb, 0x00); // defTextBoxRight
6097 avio_wb16(pb, 0x00); // startChar
6098 avio_wb16(pb, 0x00); // endChar
6099 avio_wb16(pb, 0x01); // fontID
6100 avio_w8(pb, 0x00); // fontStyleFlags
6101 avio_w8(pb, 0x00); // fontSize
6102 avio_w8(pb, 0x00); // fgColourRed
6103 avio_w8(pb, 0x00); // fgColourGreen
6104 avio_w8(pb, 0x00); // fgColourBlue
6105 avio_w8(pb, 0x00); // fgColourAlpha
6107 avio_wb32(pb, 0x0D); // box size
6108 ffio_wfourcc(pb, "ftab"); // box atom name
6109 avio_wb16(pb, 0x01); // entry count
6111 avio_wb16(pb, 0x01); // font ID
6112 avio_w8(pb, 0x00); // font name length
6114 if ((size = avio_close_dyn_buf(pb, &buf)) > 0) {
6115 track->par->extradata = buf;
6116 track->par->extradata_size = size;
6123 for (i = 0; i < s->nb_chapters; i++) {
6124 AVChapter *c = s->chapters[i];
6125 AVDictionaryEntry *t;
6127 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
6128 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
6129 pkt.duration = end - pkt.dts;
6131 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
6132 static const char encd[12] = {
6133 0x00, 0x00, 0x00, 0x0C,
6135 0x00, 0x00, 0x01, 0x00 };
6136 len = strlen(t->value);
6137 pkt.size = len + 2 + 12;
6138 pkt.data = av_malloc(pkt.size);
6140 return AVERROR(ENOMEM);
6141 AV_WB16(pkt.data, len);
6142 memcpy(pkt.data + 2, t->value, len);
6143 memcpy(pkt.data + len + 2, encd, sizeof(encd));
6144 ff_mov_write_packet(s, &pkt);
6145 av_freep(&pkt.data);
6153 static int mov_check_timecode_track(AVFormatContext *s, AVTimecode *tc, int src_index, const char *tcstr)
6157 /* compute the frame number */
6158 ret = av_timecode_init_from_string(tc, find_fps(s, s->streams[src_index]), tcstr, s);
6162 static int mov_create_timecode_track(AVFormatContext *s, int index, int src_index, AVTimecode tc)
6165 MOVMuxContext *mov = s->priv_data;
6166 MOVTrack *track = &mov->tracks[index];
6167 AVStream *src_st = s->streams[src_index];
6168 AVPacket pkt = {.stream_index = index, .flags = AV_PKT_FLAG_KEY, .size = 4};
6169 AVRational rate = find_fps(s, src_st);
6171 /* tmcd track based on video stream */
6172 track->mode = mov->mode;
6173 track->tag = MKTAG('t','m','c','d');
6174 track->src_track = src_index;
6175 track->timescale = mov->tracks[src_index].timescale;
6176 if (tc.flags & AV_TIMECODE_FLAG_DROPFRAME)
6177 track->timecode_flags |= MOV_TIMECODE_FLAG_DROPFRAME;
6179 /* set st to src_st for metadata access*/
6182 /* encode context: tmcd data stream */
6183 track->par = avcodec_parameters_alloc();
6185 return AVERROR(ENOMEM);
6186 track->par->codec_type = AVMEDIA_TYPE_DATA;
6187 track->par->codec_tag = track->tag;
6188 track->st->avg_frame_rate = av_inv_q(rate);
6190 /* the tmcd track just contains one packet with the frame number */
6191 pkt.data = av_malloc(pkt.size);
6193 return AVERROR(ENOMEM);
6194 AV_WB32(pkt.data, tc.start);
6195 ret = ff_mov_write_packet(s, &pkt);
6201 * st->disposition controls the "enabled" flag in the tkhd tag.
6202 * QuickTime will not play a track if it is not enabled. So make sure
6203 * that one track of each type (audio, video, subtitle) is enabled.
6205 * Subtitles are special. For audio and video, setting "enabled" also
6206 * makes the track "default" (i.e. it is rendered when played). For
6207 * subtitles, an "enabled" subtitle is not rendered by default, but
6208 * if no subtitle is enabled, the subtitle menu in QuickTime will be
6211 static void enable_tracks(AVFormatContext *s)
6213 MOVMuxContext *mov = s->priv_data;
6215 int enabled[AVMEDIA_TYPE_NB];
6216 int first[AVMEDIA_TYPE_NB];
6218 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
6223 for (i = 0; i < s->nb_streams; i++) {
6224 AVStream *st = s->streams[i];
6226 if (st->codecpar->codec_type <= AVMEDIA_TYPE_UNKNOWN ||
6227 st->codecpar->codec_type >= AVMEDIA_TYPE_NB ||
6231 if (first[st->codecpar->codec_type] < 0)
6232 first[st->codecpar->codec_type] = i;
6233 if (st->disposition & AV_DISPOSITION_DEFAULT) {
6234 mov->tracks[i].flags |= MOV_TRACK_ENABLED;
6235 enabled[st->codecpar->codec_type]++;
6239 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
6241 case AVMEDIA_TYPE_VIDEO:
6242 case AVMEDIA_TYPE_AUDIO:
6243 case AVMEDIA_TYPE_SUBTITLE:
6245 mov->per_stream_grouping = 1;
6246 if (!enabled[i] && first[i] >= 0)
6247 mov->tracks[first[i]].flags |= MOV_TRACK_ENABLED;
6253 static void mov_free(AVFormatContext *s)
6255 MOVMuxContext *mov = s->priv_data;
6261 if (mov->chapter_track) {
6262 if (mov->tracks[mov->chapter_track].par)
6263 av_freep(&mov->tracks[mov->chapter_track].par->extradata);
6264 av_freep(&mov->tracks[mov->chapter_track].par);
6267 for (i = 0; i < mov->nb_streams; i++) {
6268 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
6269 ff_mov_close_hinting(&mov->tracks[i]);
6270 else if (mov->tracks[i].tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd)
6271 av_freep(&mov->tracks[i].par);
6272 av_freep(&mov->tracks[i].cluster);
6273 av_freep(&mov->tracks[i].frag_info);
6274 av_packet_unref(&mov->tracks[i].cover_image);
6276 if (mov->tracks[i].eac3_priv) {
6277 struct eac3_info *info = mov->tracks[i].eac3_priv;
6278 av_packet_unref(&info->pkt);
6279 av_freep(&mov->tracks[i].eac3_priv);
6281 if (mov->tracks[i].vos_len)
6282 av_freep(&mov->tracks[i].vos_data);
6284 ff_mov_cenc_free(&mov->tracks[i].cenc);
6287 av_freep(&mov->tracks);
6290 static uint32_t rgb_to_yuv(uint32_t rgb)
6295 r = (rgb >> 16) & 0xFF;
6296 g = (rgb >> 8) & 0xFF;
6299 y = av_clip_uint8(( 16000 + 257 * r + 504 * g + 98 * b)/1000);
6300 cb = av_clip_uint8((128000 - 148 * r - 291 * g + 439 * b)/1000);
6301 cr = av_clip_uint8((128000 + 439 * r - 368 * g - 71 * b)/1000);
6303 return (y << 16) | (cr << 8) | cb;
6306 static int mov_create_dvd_sub_decoder_specific_info(MOVTrack *track,
6309 int i, width = 720, height = 480;
6310 int have_palette = 0, have_size = 0;
6311 uint32_t palette[16];
6312 char *cur = st->codecpar->extradata;
6314 while (cur && *cur) {
6315 if (strncmp("palette:", cur, 8) == 0) {
6317 count = sscanf(cur + 8,
6318 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
6319 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
6320 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
6321 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32"",
6322 &palette[ 0], &palette[ 1], &palette[ 2], &palette[ 3],
6323 &palette[ 4], &palette[ 5], &palette[ 6], &palette[ 7],
6324 &palette[ 8], &palette[ 9], &palette[10], &palette[11],
6325 &palette[12], &palette[13], &palette[14], &palette[15]);
6327 for (i = 0; i < count; i++) {
6328 palette[i] = rgb_to_yuv(palette[i]);
6331 } else if (!strncmp("size:", cur, 5)) {
6332 sscanf(cur + 5, "%dx%d", &width, &height);
6335 if (have_palette && have_size)
6337 cur += strcspn(cur, "\n\r");
6338 cur += strspn(cur, "\n\r");
6341 track->vos_data = av_malloc(16*4 + AV_INPUT_BUFFER_PADDING_SIZE);
6342 if (!track->vos_data)
6343 return AVERROR(ENOMEM);
6344 for (i = 0; i < 16; i++) {
6345 AV_WB32(track->vos_data + i * 4, palette[i]);
6347 memset(track->vos_data + 16*4, 0, AV_INPUT_BUFFER_PADDING_SIZE);
6348 track->vos_len = 16 * 4;
6350 st->codecpar->width = width;
6351 st->codecpar->height = track->height = height;
6356 static int mov_init(AVFormatContext *s)
6358 MOVMuxContext *mov = s->priv_data;
6359 AVDictionaryEntry *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
6364 /* Default mode == MP4 */
6365 mov->mode = MODE_MP4;
6368 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
6369 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
6370 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
6371 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
6372 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
6373 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
6374 else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V;
6377 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
6378 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV;
6380 /* Set the FRAGMENT flag if any of the fragmentation methods are
6382 if (mov->max_fragment_duration || mov->max_fragment_size ||
6383 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
6384 FF_MOV_FLAG_FRAG_KEYFRAME |
6385 FF_MOV_FLAG_FRAG_CUSTOM |
6386 FF_MOV_FLAG_FRAG_EVERY_FRAME))
6387 mov->flags |= FF_MOV_FLAG_FRAGMENT;
6389 /* Set other implicit flags immediately */
6390 if (mov->mode == MODE_ISM)
6391 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
6392 FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS;
6393 if (mov->flags & FF_MOV_FLAG_DASH)
6394 mov->flags |= FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_EMPTY_MOOV |
6395 FF_MOV_FLAG_DEFAULT_BASE_MOOF;
6396 if (mov->flags & FF_MOV_FLAG_CMAF)
6397 mov->flags |= FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_EMPTY_MOOV |
6398 FF_MOV_FLAG_DEFAULT_BASE_MOOF | FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS;
6400 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV && s->flags & AVFMT_FLAG_AUTO_BSF) {
6401 av_log(s, AV_LOG_VERBOSE, "Empty MOOV enabled; disabling automatic bitstream filtering\n");
6402 s->flags &= ~AVFMT_FLAG_AUTO_BSF;
6405 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX && mov->flags & FF_MOV_FLAG_SKIP_SIDX) {
6406 av_log(s, AV_LOG_WARNING, "Global SIDX enabled; Ignoring skip_sidx option\n");
6407 mov->flags &= ~FF_MOV_FLAG_SKIP_SIDX;
6410 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
6411 mov->reserved_moov_size = -1;
6414 if (mov->use_editlist < 0) {
6415 mov->use_editlist = 1;
6416 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
6417 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6418 // If we can avoid needing an edit list by shifting the
6419 // tracks, prefer that over (trying to) write edit lists
6420 // in fragmented output.
6421 if (s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO ||
6422 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO)
6423 mov->use_editlist = 0;
6425 if (mov->flags & FF_MOV_FLAG_CMAF) {
6426 // CMAF Track requires negative cts offsets without edit lists
6427 mov->use_editlist = 0;
6430 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
6431 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV) && mov->use_editlist)
6432 av_log(s, AV_LOG_WARNING, "No meaningful edit list will be written when using empty_moov without delay_moov\n");
6434 if (mov->flags & FF_MOV_FLAG_CMAF && mov->use_editlist) {
6435 av_log(s, AV_LOG_WARNING, "Edit list enabled; Assuming writing CMAF Track File\n");
6436 mov->flags &= ~FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS;
6438 if (!mov->use_editlist && s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO &&
6439 !(mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS))
6440 s->avoid_negative_ts = AVFMT_AVOID_NEG_TS_MAKE_ZERO;
6442 /* Clear the omit_tfhd_offset flag if default_base_moof is set;
6443 * if the latter is set that's enough and omit_tfhd_offset doesn't
6444 * add anything extra on top of that. */
6445 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
6446 mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
6447 mov->flags &= ~FF_MOV_FLAG_OMIT_TFHD_OFFSET;
6449 if (mov->frag_interleave &&
6450 mov->flags & (FF_MOV_FLAG_OMIT_TFHD_OFFSET | FF_MOV_FLAG_SEPARATE_MOOF)) {
6451 av_log(s, AV_LOG_ERROR,
6452 "Sample interleaving in fragments is mutually exclusive with "
6453 "omit_tfhd_offset and separate_moof\n");
6454 return AVERROR(EINVAL);
6457 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
6458 * is enabled, we don't support non-seekable output at all. */
6459 if (!(s->pb->seekable & AVIO_SEEKABLE_NORMAL) &&
6460 (!(mov->flags & FF_MOV_FLAG_FRAGMENT) || mov->ism_lookahead)) {
6461 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
6462 return AVERROR(EINVAL);
6465 mov->nb_streams = s->nb_streams;
6466 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
6467 mov->chapter_track = mov->nb_streams++;
6469 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6470 for (i = 0; i < s->nb_streams; i++)
6471 if (rtp_hinting_needed(s->streams[i]))
6475 if ( mov->write_tmcd == -1 && (mov->mode == MODE_MOV || mov->mode == MODE_MP4)
6476 || mov->write_tmcd == 1) {
6477 /* +1 tmcd track for each video stream with a timecode */
6478 for (i = 0; i < s->nb_streams; i++) {
6479 AVStream *st = s->streams[i];
6480 AVDictionaryEntry *t = global_tcr;
6481 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO &&
6482 (t || (t=av_dict_get(st->metadata, "timecode", NULL, 0)))) {
6484 ret = mov_check_timecode_track(s, &tc, i, t->value);
6486 mov->nb_meta_tmcd++;
6490 /* check if there is already a tmcd track to remux */
6491 if (mov->nb_meta_tmcd) {
6492 for (i = 0; i < s->nb_streams; i++) {
6493 AVStream *st = s->streams[i];
6494 if (st->codecpar->codec_tag == MKTAG('t','m','c','d')) {
6495 av_log(s, AV_LOG_WARNING, "You requested a copy of the original timecode track "
6496 "so timecode metadata are now ignored\n");
6497 mov->nb_meta_tmcd = 0;
6502 mov->nb_streams += mov->nb_meta_tmcd;
6505 // Reserve an extra stream for chapters for the case where chapters
6506 // are written in the trailer
6507 mov->tracks = av_mallocz_array((mov->nb_streams + 1), sizeof(*mov->tracks));
6509 return AVERROR(ENOMEM);
6511 if (mov->encryption_scheme_str != NULL && strcmp(mov->encryption_scheme_str, "none") != 0) {
6512 if (strcmp(mov->encryption_scheme_str, "cenc-aes-ctr") == 0) {
6513 mov->encryption_scheme = MOV_ENC_CENC_AES_CTR;
6515 if (mov->encryption_key_len != AES_CTR_KEY_SIZE) {
6516 av_log(s, AV_LOG_ERROR, "Invalid encryption key len %d expected %d\n",
6517 mov->encryption_key_len, AES_CTR_KEY_SIZE);
6518 return AVERROR(EINVAL);
6521 if (mov->encryption_kid_len != CENC_KID_SIZE) {
6522 av_log(s, AV_LOG_ERROR, "Invalid encryption kid len %d expected %d\n",
6523 mov->encryption_kid_len, CENC_KID_SIZE);
6524 return AVERROR(EINVAL);
6527 av_log(s, AV_LOG_ERROR, "unsupported encryption scheme %s\n",
6528 mov->encryption_scheme_str);
6529 return AVERROR(EINVAL);
6533 for (i = 0; i < s->nb_streams; i++) {
6534 AVStream *st= s->streams[i];
6535 MOVTrack *track= &mov->tracks[i];
6536 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
6539 track->par = st->codecpar;
6540 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
6541 if (track->language < 0)
6542 track->language = 32767; // Unspecified Macintosh language code
6543 track->mode = mov->mode;
6544 track->tag = mov_find_codec_tag(s, track);
6546 av_log(s, AV_LOG_ERROR, "Could not find tag for codec %s in stream #%d, "
6547 "codec not currently supported in container\n",
6548 avcodec_get_name(st->codecpar->codec_id), i);
6549 return AVERROR(EINVAL);
6551 /* If hinting of this track is enabled by a later hint track,
6552 * this is updated. */
6553 track->hint_track = -1;
6554 track->start_dts = AV_NOPTS_VALUE;
6555 track->start_cts = AV_NOPTS_VALUE;
6556 track->end_pts = AV_NOPTS_VALUE;
6557 track->dts_shift = AV_NOPTS_VALUE;
6558 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
6559 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
6560 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
6561 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
6562 if (st->codecpar->width != 720 || (st->codecpar->height != 608 && st->codecpar->height != 512)) {
6563 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
6564 return AVERROR(EINVAL);
6566 track->height = track->tag >> 24 == 'n' ? 486 : 576;
6568 if (mov->video_track_timescale) {
6569 track->timescale = mov->video_track_timescale;
6570 if (mov->mode == MODE_ISM && mov->video_track_timescale != 10000000)
6571 av_log(s, AV_LOG_WARNING, "Warning: some tools, like mp4split, assume a timescale of 10000000 for ISMV.\n");
6573 track->timescale = st->time_base.den;
6574 while(track->timescale < 10000)
6575 track->timescale *= 2;
6577 if (st->codecpar->width > 65535 || st->codecpar->height > 65535) {
6578 av_log(s, AV_LOG_ERROR, "Resolution %dx%d too large for mov/mp4\n", st->codecpar->width, st->codecpar->height);
6579 return AVERROR(EINVAL);
6581 if (track->mode == MODE_MOV && track->timescale > 100000)
6582 av_log(s, AV_LOG_WARNING,
6583 "WARNING codec timebase is very high. If duration is too long,\n"
6584 "file may not be playable by quicktime. Specify a shorter timebase\n"
6585 "or choose different container.\n");
6586 if (track->mode == MODE_MOV &&
6587 track->par->codec_id == AV_CODEC_ID_RAWVIDEO &&
6588 track->tag == MKTAG('r','a','w',' ')) {
6589 enum AVPixelFormat pix_fmt = track->par->format;
6590 if (pix_fmt == AV_PIX_FMT_NONE && track->par->bits_per_coded_sample == 1)
6591 pix_fmt = AV_PIX_FMT_MONOWHITE;
6592 track->is_unaligned_qt_rgb =
6593 pix_fmt == AV_PIX_FMT_RGB24 ||
6594 pix_fmt == AV_PIX_FMT_BGR24 ||
6595 pix_fmt == AV_PIX_FMT_PAL8 ||
6596 pix_fmt == AV_PIX_FMT_GRAY8 ||
6597 pix_fmt == AV_PIX_FMT_MONOWHITE ||
6598 pix_fmt == AV_PIX_FMT_MONOBLACK;
6600 if (track->par->codec_id == AV_CODEC_ID_VP9 ||
6601 track->par->codec_id == AV_CODEC_ID_AV1) {
6602 if (track->mode != MODE_MP4) {
6603 av_log(s, AV_LOG_ERROR, "%s only supported in MP4.\n", avcodec_get_name(track->par->codec_id));
6604 return AVERROR(EINVAL);
6606 } else if (track->par->codec_id == AV_CODEC_ID_VP8) {
6607 /* altref frames handling is not defined in the spec as of version v1.0,
6608 * so just forbid muxing VP8 streams altogether until a new version does */
6609 av_log(s, AV_LOG_ERROR, "VP8 muxing is currently not supported.\n");
6610 return AVERROR_PATCHWELCOME;
6612 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
6613 track->timescale = st->codecpar->sample_rate;
6614 if (!st->codecpar->frame_size && !av_get_bits_per_sample(st->codecpar->codec_id)) {
6615 av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i);
6616 track->audio_vbr = 1;
6617 }else if (st->codecpar->codec_id == AV_CODEC_ID_ADPCM_MS ||
6618 st->codecpar->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
6619 st->codecpar->codec_id == AV_CODEC_ID_ILBC){
6620 if (!st->codecpar->block_align) {
6621 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
6622 return AVERROR(EINVAL);
6624 track->sample_size = st->codecpar->block_align;
6625 }else if (st->codecpar->frame_size > 1){ /* assume compressed audio */
6626 track->audio_vbr = 1;
6628 track->sample_size = (av_get_bits_per_sample(st->codecpar->codec_id) >> 3) * st->codecpar->channels;
6630 if (st->codecpar->codec_id == AV_CODEC_ID_ILBC ||
6631 st->codecpar->codec_id == AV_CODEC_ID_ADPCM_IMA_QT) {
6632 track->audio_vbr = 1;
6634 if (track->mode != MODE_MOV &&
6635 track->par->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
6636 if (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL) {
6637 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not standard, to mux anyway set strict to -1\n",
6638 i, track->par->sample_rate);
6639 return AVERROR(EINVAL);
6641 av_log(s, AV_LOG_WARNING, "track %d: muxing mp3 at %dhz is not standard in MP4\n",
6642 i, track->par->sample_rate);
6645 if (track->par->codec_id == AV_CODEC_ID_FLAC ||
6646 track->par->codec_id == AV_CODEC_ID_TRUEHD ||
6647 track->par->codec_id == AV_CODEC_ID_OPUS) {
6648 if (track->mode != MODE_MP4) {
6649 av_log(s, AV_LOG_ERROR, "%s only supported in MP4.\n", avcodec_get_name(track->par->codec_id));
6650 return AVERROR(EINVAL);
6652 if (track->par->codec_id != AV_CODEC_ID_OPUS &&
6653 s->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
6654 av_log(s, AV_LOG_ERROR,
6655 "%s in MP4 support is experimental, add "
6656 "'-strict %d' if you want to use it.\n",
6657 avcodec_get_name(track->par->codec_id), FF_COMPLIANCE_EXPERIMENTAL);
6658 return AVERROR_EXPERIMENTAL;
6661 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) {
6662 track->timescale = st->time_base.den;
6663 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_DATA) {
6664 track->timescale = st->time_base.den;
6666 track->timescale = MOV_TIMESCALE;
6669 track->height = st->codecpar->height;
6670 /* The Protected Interoperable File Format (PIFF) standard, used by ISMV recommends but
6671 doesn't mandate a track timescale of 10,000,000. The muxer allows a custom timescale
6672 for video tracks, so if user-set, it isn't overwritten */
6673 if (mov->mode == MODE_ISM &&
6674 (st->codecpar->codec_type != AVMEDIA_TYPE_VIDEO ||
6675 (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO && !mov->video_track_timescale))) {
6676 track->timescale = 10000000;
6679 avpriv_set_pts_info(st, 64, 1, track->timescale);
6681 if (mov->encryption_scheme == MOV_ENC_CENC_AES_CTR) {
6682 ret = ff_mov_cenc_init(&track->cenc, mov->encryption_key,
6683 track->par->codec_id == AV_CODEC_ID_H264, s->flags & AVFMT_FLAG_BITEXACT);
6693 static int mov_write_header(AVFormatContext *s)
6695 AVIOContext *pb = s->pb;
6696 MOVMuxContext *mov = s->priv_data;
6697 AVDictionaryEntry *t, *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
6698 int i, ret, hint_track = 0, tmcd_track = 0, nb_tracks = s->nb_streams;
6700 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
6703 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6704 hint_track = nb_tracks;
6705 for (i = 0; i < s->nb_streams; i++)
6706 if (rtp_hinting_needed(s->streams[i]))
6710 if (mov->nb_meta_tmcd)
6711 tmcd_track = nb_tracks;
6713 for (i = 0; i < s->nb_streams; i++) {
6715 AVStream *st= s->streams[i];
6716 MOVTrack *track= &mov->tracks[i];
6718 /* copy extradata if it exists */
6719 if (st->codecpar->extradata_size) {
6720 if (st->codecpar->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
6721 mov_create_dvd_sub_decoder_specific_info(track, st);
6722 else if (!TAG_IS_AVCI(track->tag) && st->codecpar->codec_id != AV_CODEC_ID_DNXHD) {
6723 track->vos_len = st->codecpar->extradata_size;
6724 track->vos_data = av_malloc(track->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
6725 if (!track->vos_data) {
6726 return AVERROR(ENOMEM);
6728 memcpy(track->vos_data, st->codecpar->extradata, track->vos_len);
6729 memset(track->vos_data + track->vos_len, 0, AV_INPUT_BUFFER_PADDING_SIZE);
6733 if (st->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ||
6734 track->par->channel_layout != AV_CH_LAYOUT_MONO)
6737 for (j = 0; j < s->nb_streams; j++) {
6738 AVStream *stj= s->streams[j];
6739 MOVTrack *trackj= &mov->tracks[j];
6743 if (stj->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ||
6744 trackj->par->channel_layout != AV_CH_LAYOUT_MONO ||
6745 trackj->language != track->language ||
6746 trackj->tag != track->tag
6749 track->multichannel_as_mono++;
6753 if (!(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6754 if ((ret = mov_write_identification(pb, s)) < 0)
6758 if (mov->reserved_moov_size){
6759 mov->reserved_header_pos = avio_tell(pb);
6760 if (mov->reserved_moov_size > 0)
6761 avio_skip(pb, mov->reserved_moov_size);
6764 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
6765 /* If no fragmentation options have been set, set a default. */
6766 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
6767 FF_MOV_FLAG_FRAG_CUSTOM |
6768 FF_MOV_FLAG_FRAG_EVERY_FRAME)) &&
6769 !mov->max_fragment_duration && !mov->max_fragment_size)
6770 mov->flags |= FF_MOV_FLAG_FRAG_KEYFRAME;
6772 if (mov->flags & FF_MOV_FLAG_FASTSTART)
6773 mov->reserved_header_pos = avio_tell(pb);
6774 mov_write_mdat_tag(pb, mov);
6777 ff_parse_creation_time_metadata(s, &mov->time, 1);
6779 mov->time += 0x7C25B080; // 1970 based -> 1904 based
6781 if (mov->chapter_track)
6782 if ((ret = mov_create_chapter_track(s, mov->chapter_track)) < 0)
6785 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6786 for (i = 0; i < s->nb_streams; i++) {
6787 if (rtp_hinting_needed(s->streams[i])) {
6788 if ((ret = ff_mov_init_hinting(s, hint_track, i)) < 0)
6795 if (mov->nb_meta_tmcd) {
6796 /* Initialize the tmcd tracks */
6797 for (i = 0; i < s->nb_streams; i++) {
6798 AVStream *st = s->streams[i];
6801 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
6804 t = av_dict_get(st->metadata, "timecode", NULL, 0);
6807 if (mov_check_timecode_track(s, &tc, i, t->value) < 0)
6809 if ((ret = mov_create_timecode_track(s, tmcd_track, i, tc)) < 0)
6818 if (mov->flags & FF_MOV_FLAG_ISML)
6819 mov_write_isml_manifest(pb, mov, s);
6821 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
6822 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6823 if ((ret = mov_write_moov_tag(pb, mov, s)) < 0)
6825 mov->moov_written = 1;
6826 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
6827 mov->reserved_header_pos = avio_tell(pb);
6833 static int get_moov_size(AVFormatContext *s)
6836 AVIOContext *moov_buf;
6837 MOVMuxContext *mov = s->priv_data;
6839 if ((ret = ffio_open_null_buf(&moov_buf)) < 0)
6841 if ((ret = mov_write_moov_tag(moov_buf, mov, s)) < 0)
6843 return ffio_close_null_buf(moov_buf);
6846 static int get_sidx_size(AVFormatContext *s)
6850 MOVMuxContext *mov = s->priv_data;
6852 if ((ret = ffio_open_null_buf(&buf)) < 0)
6854 mov_write_sidx_tags(buf, mov, -1, 0);
6855 return ffio_close_null_buf(buf);
6859 * This function gets the moov size if moved to the top of the file: the chunk
6860 * offset table can switch between stco (32-bit entries) to co64 (64-bit
6861 * entries) when the moov is moved to the beginning, so the size of the moov
6862 * would change. It also updates the chunk offset tables.
6864 static int compute_moov_size(AVFormatContext *s)
6866 int i, moov_size, moov_size2;
6867 MOVMuxContext *mov = s->priv_data;
6869 moov_size = get_moov_size(s);
6873 for (i = 0; i < mov->nb_streams; i++)
6874 mov->tracks[i].data_offset += moov_size;
6876 moov_size2 = get_moov_size(s);
6880 /* if the size changed, we just switched from stco to co64 and need to
6881 * update the offsets */
6882 if (moov_size2 != moov_size)
6883 for (i = 0; i < mov->nb_streams; i++)
6884 mov->tracks[i].data_offset += moov_size2 - moov_size;
6889 static int compute_sidx_size(AVFormatContext *s)
6892 MOVMuxContext *mov = s->priv_data;
6894 sidx_size = get_sidx_size(s);
6898 for (i = 0; i < mov->nb_streams; i++)
6899 mov->tracks[i].data_offset += sidx_size;
6904 static int shift_data(AVFormatContext *s)
6906 int ret = 0, moov_size;
6907 MOVMuxContext *mov = s->priv_data;
6908 int64_t pos, pos_end;
6909 uint8_t *buf, *read_buf[2];
6910 int read_buf_id = 0;
6912 AVIOContext *read_pb;
6914 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
6915 moov_size = compute_sidx_size(s);
6917 moov_size = compute_moov_size(s);
6921 buf = av_malloc(moov_size * 2);
6923 return AVERROR(ENOMEM);
6925 read_buf[1] = buf + moov_size;
6927 /* Shift the data: the AVIO context of the output can only be used for
6928 * writing, so we re-open the same output, but for reading. It also avoids
6929 * a read/seek/write/seek back and forth. */
6931 ret = s->io_open(s, &read_pb, s->url, AVIO_FLAG_READ, NULL);
6933 av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for "
6934 "the second pass (faststart)\n", s->url);
6938 /* mark the end of the shift to up to the last data we wrote, and get ready
6940 pos_end = avio_tell(s->pb);
6941 avio_seek(s->pb, mov->reserved_header_pos + moov_size, SEEK_SET);
6943 /* start reading at where the new moov will be placed */
6944 avio_seek(read_pb, mov->reserved_header_pos, SEEK_SET);
6945 pos = avio_tell(read_pb);
6947 #define READ_BLOCK do { \
6948 read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
6952 /* shift data by chunk of at most moov_size */
6957 n = read_size[read_buf_id];
6960 avio_write(s->pb, read_buf[read_buf_id], n);
6962 } while (pos < pos_end);
6963 ff_format_io_close(s, &read_pb);
6970 static int mov_write_trailer(AVFormatContext *s)
6972 MOVMuxContext *mov = s->priv_data;
6973 AVIOContext *pb = s->pb;
6978 if (mov->need_rewrite_extradata) {
6979 for (i = 0; i < s->nb_streams; i++) {
6980 MOVTrack *track = &mov->tracks[i];
6981 AVCodecParameters *par = track->par;
6983 track->vos_len = par->extradata_size;
6984 track->vos_data = av_malloc(track->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
6985 if (!track->vos_data)
6986 return AVERROR(ENOMEM);
6987 memcpy(track->vos_data, par->extradata, track->vos_len);
6988 memset(track->vos_data + track->vos_len, 0, AV_INPUT_BUFFER_PADDING_SIZE);
6990 mov->need_rewrite_extradata = 0;
6994 * Before actually writing the trailer, make sure that there are no
6995 * dangling subtitles, that need a terminating sample.
6997 for (i = 0; i < mov->nb_streams; i++) {
6998 MOVTrack *trk = &mov->tracks[i];
6999 if (trk->par->codec_id == AV_CODEC_ID_MOV_TEXT &&
7000 !trk->last_sample_is_subtitle_end) {
7001 mov_write_subtitle_end_packet(s, i, trk->track_duration);
7002 trk->last_sample_is_subtitle_end = 1;
7006 // If there were no chapters when the header was written, but there
7007 // are chapters now, write them in the trailer. This only works
7008 // when we are not doing fragments.
7009 if (!mov->chapter_track && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
7010 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters) {
7011 mov->chapter_track = mov->nb_streams++;
7012 if ((res = mov_create_chapter_track(s, mov->chapter_track)) < 0)
7017 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
7018 moov_pos = avio_tell(pb);
7020 /* Write size of mdat tag */
7021 if (mov->mdat_size + 8 <= UINT32_MAX) {
7022 avio_seek(pb, mov->mdat_pos, SEEK_SET);
7023 avio_wb32(pb, mov->mdat_size + 8);
7025 /* overwrite 'wide' placeholder atom */
7026 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
7027 /* special value: real atom size will be 64 bit value after
7030 ffio_wfourcc(pb, "mdat");
7031 avio_wb64(pb, mov->mdat_size + 16);
7033 avio_seek(pb, mov->reserved_moov_size > 0 ? mov->reserved_header_pos : moov_pos, SEEK_SET);
7035 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
7036 av_log(s, AV_LOG_INFO, "Starting second pass: moving the moov atom to the beginning of the file\n");
7037 res = shift_data(s);
7040 avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
7041 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
7043 } else if (mov->reserved_moov_size > 0) {
7045 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
7047 size = mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_header_pos);
7049 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
7050 return AVERROR(EINVAL);
7052 avio_wb32(pb, size);
7053 ffio_wfourcc(pb, "free");
7054 ffio_fill(pb, 0, size - 8);
7055 avio_seek(pb, moov_pos, SEEK_SET);
7057 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
7062 mov_auto_flush_fragment(s, 1);
7063 for (i = 0; i < mov->nb_streams; i++)
7064 mov->tracks[i].data_offset = 0;
7065 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX) {
7067 av_log(s, AV_LOG_INFO, "Starting second pass: inserting sidx atoms\n");
7068 res = shift_data(s);
7071 end = avio_tell(pb);
7072 avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
7073 mov_write_sidx_tags(pb, mov, -1, 0);
7074 avio_seek(pb, end, SEEK_SET);
7076 if (!(mov->flags & FF_MOV_FLAG_SKIP_TRAILER)) {
7077 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_TRAILER);
7078 res = mov_write_mfra_tag(pb, mov);
7087 static int mov_check_bitstream(struct AVFormatContext *s, const AVPacket *pkt)
7090 AVStream *st = s->streams[pkt->stream_index];
7092 if (st->codecpar->codec_id == AV_CODEC_ID_AAC) {
7093 if (pkt->size > 2 && (AV_RB16(pkt->data) & 0xfff0) == 0xfff0)
7094 ret = ff_stream_add_bitstream_filter(st, "aac_adtstoasc", NULL);
7095 } else if (st->codecpar->codec_id == AV_CODEC_ID_VP9) {
7096 ret = ff_stream_add_bitstream_filter(st, "vp9_superframe", NULL);
7102 static const AVCodecTag codec_3gp_tags[] = {
7103 { AV_CODEC_ID_H263, MKTAG('s','2','6','3') },
7104 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
7105 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
7106 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
7107 { AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
7108 { AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
7109 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
7110 { AV_CODEC_ID_NONE, 0 },
7113 const AVCodecTag codec_mp4_tags[] = {
7114 { AV_CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
7115 { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') },
7116 { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '3') },
7117 { AV_CODEC_ID_HEVC, MKTAG('h', 'e', 'v', '1') },
7118 { AV_CODEC_ID_HEVC, MKTAG('h', 'v', 'c', '1') },
7119 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', '4', 'v') },
7120 { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', '4', 'v') },
7121 { AV_CODEC_ID_MJPEG, MKTAG('m', 'p', '4', 'v') },
7122 { AV_CODEC_ID_PNG, MKTAG('m', 'p', '4', 'v') },
7123 { AV_CODEC_ID_JPEG2000, MKTAG('m', 'p', '4', 'v') },
7124 { AV_CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') },
7125 { AV_CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
7126 { AV_CODEC_ID_TSCC2, MKTAG('m', 'p', '4', 'v') },
7127 { AV_CODEC_ID_VP9, MKTAG('v', 'p', '0', '9') },
7128 { AV_CODEC_ID_AV1, MKTAG('a', 'v', '0', '1') },
7129 { AV_CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
7130 { AV_CODEC_ID_MP4ALS, MKTAG('m', 'p', '4', 'a') },
7131 { AV_CODEC_ID_MP3, MKTAG('m', 'p', '4', 'a') },
7132 { AV_CODEC_ID_MP2, MKTAG('m', 'p', '4', 'a') },
7133 { AV_CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') },
7134 { AV_CODEC_ID_EAC3, MKTAG('e', 'c', '-', '3') },
7135 { AV_CODEC_ID_DTS, MKTAG('m', 'p', '4', 'a') },
7136 { AV_CODEC_ID_TRUEHD, MKTAG('m', 'l', 'p', 'a') },
7137 { AV_CODEC_ID_FLAC, MKTAG('f', 'L', 'a', 'C') },
7138 { AV_CODEC_ID_OPUS, MKTAG('O', 'p', 'u', 's') },
7139 { AV_CODEC_ID_VORBIS, MKTAG('m', 'p', '4', 'a') },
7140 { AV_CODEC_ID_QCELP, MKTAG('m', 'p', '4', 'a') },
7141 { AV_CODEC_ID_EVRC, MKTAG('m', 'p', '4', 'a') },
7142 { AV_CODEC_ID_DVD_SUBTITLE, MKTAG('m', 'p', '4', 's') },
7143 { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
7144 { AV_CODEC_ID_BIN_DATA, MKTAG('g', 'p', 'm', 'd') },
7145 { AV_CODEC_ID_MPEGH_3D_AUDIO, MKTAG('m', 'h', 'm', '1') },
7146 { AV_CODEC_ID_NONE, 0 },
7149 const AVCodecTag codec_ism_tags[] = {
7150 { AV_CODEC_ID_WMAPRO , MKTAG('w', 'm', 'a', ' ') },
7151 { AV_CODEC_ID_NONE , 0 },
7154 static const AVCodecTag codec_ipod_tags[] = {
7155 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
7156 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
7157 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
7158 { AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') },
7159 { AV_CODEC_ID_AC3, MKTAG('a','c','-','3') },
7160 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
7161 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
7162 { AV_CODEC_ID_NONE, 0 },
7165 static const AVCodecTag codec_f4v_tags[] = {
7166 { AV_CODEC_ID_MP3, MKTAG('.','m','p','3') },
7167 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
7168 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
7169 { AV_CODEC_ID_VP6A, MKTAG('V','P','6','A') },
7170 { AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') },
7171 { AV_CODEC_ID_NONE, 0 },
7174 #if CONFIG_MOV_MUXER
7176 AVOutputFormat ff_mov_muxer = {
7178 .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
7179 .extensions = "mov",
7180 .priv_data_size = sizeof(MOVMuxContext),
7181 .audio_codec = AV_CODEC_ID_AAC,
7182 .video_codec = CONFIG_LIBX264_ENCODER ?
7183 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
7185 .write_header = mov_write_header,
7186 .write_packet = mov_write_packet,
7187 .write_trailer = mov_write_trailer,
7189 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7190 .codec_tag = (const AVCodecTag* const []){
7191 ff_codec_movvideo_tags, ff_codec_movaudio_tags, ff_codec_movsubtitle_tags, 0
7193 .check_bitstream = mov_check_bitstream,
7194 .priv_class = &mov_muxer_class,
7197 #if CONFIG_TGP_MUXER
7199 AVOutputFormat ff_tgp_muxer = {
7201 .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
7202 .extensions = "3gp",
7203 .priv_data_size = sizeof(MOVMuxContext),
7204 .audio_codec = AV_CODEC_ID_AMR_NB,
7205 .video_codec = AV_CODEC_ID_H263,
7207 .write_header = mov_write_header,
7208 .write_packet = mov_write_packet,
7209 .write_trailer = mov_write_trailer,
7211 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7212 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
7213 .check_bitstream = mov_check_bitstream,
7214 .priv_class = &tgp_muxer_class,
7217 #if CONFIG_MP4_MUXER
7219 AVOutputFormat ff_mp4_muxer = {
7221 .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
7222 .mime_type = "video/mp4",
7223 .extensions = "mp4",
7224 .priv_data_size = sizeof(MOVMuxContext),
7225 .audio_codec = AV_CODEC_ID_AAC,
7226 .video_codec = CONFIG_LIBX264_ENCODER ?
7227 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
7229 .write_header = mov_write_header,
7230 .write_packet = mov_write_packet,
7231 .write_trailer = mov_write_trailer,
7233 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7234 .codec_tag = (const AVCodecTag* const []){ codec_mp4_tags, 0 },
7235 .check_bitstream = mov_check_bitstream,
7236 .priv_class = &mp4_muxer_class,
7239 #if CONFIG_PSP_MUXER
7241 AVOutputFormat ff_psp_muxer = {
7243 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
7244 .extensions = "mp4,psp",
7245 .priv_data_size = sizeof(MOVMuxContext),
7246 .audio_codec = AV_CODEC_ID_AAC,
7247 .video_codec = CONFIG_LIBX264_ENCODER ?
7248 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
7250 .write_header = mov_write_header,
7251 .write_packet = mov_write_packet,
7252 .write_trailer = mov_write_trailer,
7254 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7255 .codec_tag = (const AVCodecTag* const []){ codec_mp4_tags, 0 },
7256 .check_bitstream = mov_check_bitstream,
7257 .priv_class = &psp_muxer_class,
7260 #if CONFIG_TG2_MUXER
7262 AVOutputFormat ff_tg2_muxer = {
7264 .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
7265 .extensions = "3g2",
7266 .priv_data_size = sizeof(MOVMuxContext),
7267 .audio_codec = AV_CODEC_ID_AMR_NB,
7268 .video_codec = AV_CODEC_ID_H263,
7270 .write_header = mov_write_header,
7271 .write_packet = mov_write_packet,
7272 .write_trailer = mov_write_trailer,
7274 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7275 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
7276 .check_bitstream = mov_check_bitstream,
7277 .priv_class = &tg2_muxer_class,
7280 #if CONFIG_IPOD_MUXER
7282 AVOutputFormat ff_ipod_muxer = {
7284 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
7285 .mime_type = "video/mp4",
7286 .extensions = "m4v,m4a,m4b",
7287 .priv_data_size = sizeof(MOVMuxContext),
7288 .audio_codec = AV_CODEC_ID_AAC,
7289 .video_codec = AV_CODEC_ID_H264,
7291 .write_header = mov_write_header,
7292 .write_packet = mov_write_packet,
7293 .write_trailer = mov_write_trailer,
7295 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7296 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
7297 .check_bitstream = mov_check_bitstream,
7298 .priv_class = &ipod_muxer_class,
7301 #if CONFIG_ISMV_MUXER
7303 AVOutputFormat ff_ismv_muxer = {
7305 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
7306 .mime_type = "video/mp4",
7307 .extensions = "ismv,isma",
7308 .priv_data_size = sizeof(MOVMuxContext),
7309 .audio_codec = AV_CODEC_ID_AAC,
7310 .video_codec = AV_CODEC_ID_H264,
7312 .write_header = mov_write_header,
7313 .write_packet = mov_write_packet,
7314 .write_trailer = mov_write_trailer,
7316 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7317 .codec_tag = (const AVCodecTag* const []){
7318 codec_mp4_tags, codec_ism_tags, 0 },
7319 .check_bitstream = mov_check_bitstream,
7320 .priv_class = &ismv_muxer_class,
7323 #if CONFIG_F4V_MUXER
7325 AVOutputFormat ff_f4v_muxer = {
7327 .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
7328 .mime_type = "application/f4v",
7329 .extensions = "f4v",
7330 .priv_data_size = sizeof(MOVMuxContext),
7331 .audio_codec = AV_CODEC_ID_AAC,
7332 .video_codec = AV_CODEC_ID_H264,
7334 .write_header = mov_write_header,
7335 .write_packet = mov_write_packet,
7336 .write_trailer = mov_write_trailer,
7338 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
7339 .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 },
7340 .check_bitstream = mov_check_bitstream,
7341 .priv_class = &f4v_muxer_class,