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 =
645 (AVCPBProperties*)av_stream_get_side_data(track->st,
646 AV_PKT_DATA_CPB_PROPERTIES,
648 struct mpeg4_bit_rate_values bit_rates = { 0 };
650 bit_rates.avg_bit_rate = compute_avg_bitrate(track);
651 if (!bit_rates.avg_bit_rate) {
652 // if the average bit rate cannot be calculated at this point, such as
653 // in the case of fragmented MP4, utilize the following values as
654 // fall-back in priority order:
656 // 1. average bit rate property
657 // 2. bit rate (usually average over the whole clip)
658 // 3. maximum bit rate property
660 if (props && props->avg_bitrate) {
661 bit_rates.avg_bit_rate = props->avg_bitrate;
662 } else if (track->par->bit_rate) {
663 bit_rates.avg_bit_rate = track->par->bit_rate;
664 } else if (props && props->max_bitrate) {
665 bit_rates.avg_bit_rate = props->max_bitrate;
669 // (FIXME should be max rate in any 1 sec window)
670 bit_rates.max_bit_rate = FFMAX(track->par->bit_rate,
671 bit_rates.avg_bit_rate);
673 // utilize values from properties if we have them available
675 bit_rates.max_bit_rate = FFMAX(bit_rates.max_bit_rate,
677 bit_rates.buffer_size = props->buffer_size / 8;
683 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
685 struct mpeg4_bit_rate_values bit_rates = calculate_mpeg4_bit_rates(track);
686 int64_t pos = avio_tell(pb);
687 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
689 avio_wb32(pb, 0); // size
690 ffio_wfourcc(pb, "esds");
691 avio_wb32(pb, 0); // Version
694 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
695 avio_wb16(pb, track->track_id);
696 avio_w8(pb, 0x00); // flags (= no flags)
698 // DecoderConfig descriptor
699 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
701 // Object type indication
702 if ((track->par->codec_id == AV_CODEC_ID_MP2 ||
703 track->par->codec_id == AV_CODEC_ID_MP3) &&
704 track->par->sample_rate > 24000)
705 avio_w8(pb, 0x6B); // 11172-3
707 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->par->codec_id));
709 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
710 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
711 if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
712 avio_w8(pb, (0x38 << 2) | 1); // flags (= NeroSubpicStream)
713 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
714 avio_w8(pb, 0x15); // flags (= Audiostream)
716 avio_w8(pb, 0x11); // flags (= Visualstream)
718 avio_wb24(pb, bit_rates.buffer_size); // Buffersize DB
719 avio_wb32(pb, bit_rates.max_bit_rate); // maxbitrate
720 avio_wb32(pb, bit_rates.avg_bit_rate);
722 if (track->vos_len) {
723 // DecoderSpecific info descriptor
724 put_descr(pb, 0x05, track->vos_len);
725 avio_write(pb, track->vos_data, track->vos_len);
729 put_descr(pb, 0x06, 1);
731 return update_size(pb, pos);
734 static int mov_pcm_le_gt16(enum AVCodecID codec_id)
736 return codec_id == AV_CODEC_ID_PCM_S24LE ||
737 codec_id == AV_CODEC_ID_PCM_S32LE ||
738 codec_id == AV_CODEC_ID_PCM_F32LE ||
739 codec_id == AV_CODEC_ID_PCM_F64LE;
742 static int mov_pcm_be_gt16(enum AVCodecID codec_id)
744 return codec_id == AV_CODEC_ID_PCM_S24BE ||
745 codec_id == AV_CODEC_ID_PCM_S32BE ||
746 codec_id == AV_CODEC_ID_PCM_F32BE ||
747 codec_id == AV_CODEC_ID_PCM_F64BE;
750 static int mov_write_ms_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
753 int64_t pos = avio_tell(pb);
755 avio_wl32(pb, track->tag); // store it byteswapped
756 track->par->codec_tag = av_bswap16(track->tag >> 16);
757 if ((ret = ff_put_wav_header(s, pb, track->par, 0)) < 0)
759 return update_size(pb, pos);
762 static int mov_write_wfex_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
765 int64_t pos = avio_tell(pb);
767 ffio_wfourcc(pb, "wfex");
768 if ((ret = ff_put_wav_header(s, pb, track->st->codecpar, FF_PUT_WAV_HEADER_FORCE_WAVEFORMATEX)) < 0)
770 return update_size(pb, pos);
773 static int mov_write_dfla_tag(AVIOContext *pb, MOVTrack *track)
775 int64_t pos = avio_tell(pb);
777 ffio_wfourcc(pb, "dfLa");
778 avio_w8(pb, 0); /* version */
779 avio_wb24(pb, 0); /* flags */
781 /* Expect the encoder to pass a METADATA_BLOCK_TYPE_STREAMINFO. */
782 if (track->par->extradata_size != FLAC_STREAMINFO_SIZE)
783 return AVERROR_INVALIDDATA;
785 /* TODO: Write other METADATA_BLOCK_TYPEs if the encoder makes them available. */
786 avio_w8(pb, 1 << 7 | FLAC_METADATA_TYPE_STREAMINFO); /* LastMetadataBlockFlag << 7 | BlockType */
787 avio_wb24(pb, track->par->extradata_size); /* Length */
788 avio_write(pb, track->par->extradata, track->par->extradata_size); /* BlockData[Length] */
790 return update_size(pb, pos);
793 static int mov_write_dops_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
795 int64_t pos = avio_tell(pb);
797 ffio_wfourcc(pb, "dOps");
798 avio_w8(pb, 0); /* Version */
799 if (track->par->extradata_size < 19) {
800 av_log(s, AV_LOG_ERROR, "invalid extradata size\n");
801 return AVERROR_INVALIDDATA;
803 /* extradata contains an Ogg OpusHead, other than byte-ordering and
804 OpusHead's preceeding magic/version, OpusSpecificBox is currently
806 avio_w8(pb, AV_RB8(track->par->extradata + 9)); /* OuputChannelCount */
807 avio_wb16(pb, AV_RL16(track->par->extradata + 10)); /* PreSkip */
808 avio_wb32(pb, AV_RL32(track->par->extradata + 12)); /* InputSampleRate */
809 avio_wb16(pb, AV_RL16(track->par->extradata + 16)); /* OutputGain */
810 /* Write the rest of the header out without byte-swapping. */
811 avio_write(pb, track->par->extradata + 18, track->par->extradata_size - 18);
813 return update_size(pb, pos);
816 static int mov_write_dmlp_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
818 int64_t pos = avio_tell(pb);
821 ffio_wfourcc(pb, "dmlp");
823 if (track->vos_len < 20) {
824 av_log(s, AV_LOG_ERROR,
825 "Cannot write moov atom before TrueHD packets."
826 " Set the delay_moov flag to fix this.\n");
827 return AVERROR(EINVAL);
830 length = (AV_RB16(track->vos_data) & 0xFFF) * 2;
831 if (length < 20 || length > track->vos_len)
832 return AVERROR_INVALIDDATA;
834 // Only TrueHD is supported
835 if (AV_RB32(track->vos_data + 4) != 0xF8726FBA)
836 return AVERROR_INVALIDDATA;
838 avio_wb32(pb, AV_RB32(track->vos_data + 8)); /* format_info */
839 avio_wb16(pb, AV_RB16(track->vos_data + 18) << 1); /* peak_data_rate */
840 avio_wb32(pb, 0); /* reserved */
842 return update_size(pb, pos);
845 static int mov_write_chan_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
847 uint32_t layout_tag, bitmap;
848 int64_t pos = avio_tell(pb);
850 layout_tag = ff_mov_get_channel_layout_tag(track->par->codec_id,
851 track->par->channel_layout,
854 av_log(s, AV_LOG_WARNING, "not writing 'chan' tag due to "
855 "lack of channel information\n");
859 if (track->multichannel_as_mono)
862 avio_wb32(pb, 0); // Size
863 ffio_wfourcc(pb, "chan"); // Type
864 avio_w8(pb, 0); // Version
865 avio_wb24(pb, 0); // Flags
866 avio_wb32(pb, layout_tag); // mChannelLayoutTag
867 avio_wb32(pb, bitmap); // mChannelBitmap
868 avio_wb32(pb, 0); // mNumberChannelDescriptions
870 return update_size(pb, pos);
873 static int mov_write_wave_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
875 int64_t pos = avio_tell(pb);
877 avio_wb32(pb, 0); /* size */
878 ffio_wfourcc(pb, "wave");
880 if (track->par->codec_id != AV_CODEC_ID_QDM2) {
881 avio_wb32(pb, 12); /* size */
882 ffio_wfourcc(pb, "frma");
883 avio_wl32(pb, track->tag);
886 if (track->par->codec_id == AV_CODEC_ID_AAC) {
887 /* useless atom needed by mplayer, ipod, not needed by quicktime */
888 avio_wb32(pb, 12); /* size */
889 ffio_wfourcc(pb, "mp4a");
891 mov_write_esds_tag(pb, track);
892 } else if (mov_pcm_le_gt16(track->par->codec_id)) {
893 mov_write_enda_tag(pb);
894 } else if (mov_pcm_be_gt16(track->par->codec_id)) {
895 mov_write_enda_tag_be(pb);
896 } else if (track->par->codec_id == AV_CODEC_ID_AMR_NB) {
897 mov_write_amr_tag(pb, track);
898 } else if (track->par->codec_id == AV_CODEC_ID_AC3) {
899 mov_write_ac3_tag(s, pb, track);
900 } else if (track->par->codec_id == AV_CODEC_ID_EAC3) {
901 mov_write_eac3_tag(s, pb, track);
902 } else if (track->par->codec_id == AV_CODEC_ID_ALAC ||
903 track->par->codec_id == AV_CODEC_ID_QDM2) {
904 mov_write_extradata_tag(pb, track);
905 } else if (track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
906 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
907 mov_write_ms_tag(s, pb, track);
910 avio_wb32(pb, 8); /* size */
911 avio_wb32(pb, 0); /* null tag */
913 return update_size(pb, pos);
916 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
919 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
920 int unescaped_size, seq_found = 0;
921 int level = 0, interlace = 0;
922 int packet_seq = track->vc1_info.packet_seq;
923 int packet_entry = track->vc1_info.packet_entry;
924 int slices = track->vc1_info.slices;
927 if (track->start_dts == AV_NOPTS_VALUE) {
928 /* No packets written yet, vc1_info isn't authoritative yet. */
929 /* Assume inline sequence and entry headers. */
930 packet_seq = packet_entry = 1;
931 av_log(NULL, AV_LOG_WARNING,
932 "moov atom written before any packets, unable to write correct "
933 "dvc1 atom. Set the delay_moov flag to fix this.\n");
936 unescaped = av_mallocz(track->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
938 return AVERROR(ENOMEM);
939 start = find_next_marker(track->vos_data, end);
940 for (next = start; next < end; start = next) {
943 next = find_next_marker(start + 4, end);
944 size = next - start - 4;
947 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
948 init_get_bits(&gb, unescaped, 8 * unescaped_size);
949 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
950 int profile = get_bits(&gb, 2);
951 if (profile != PROFILE_ADVANCED) {
953 return AVERROR(ENOSYS);
956 level = get_bits(&gb, 3);
957 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
959 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
960 skip_bits(&gb, 1); /* broadcast */
961 interlace = get_bits1(&gb);
962 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
967 return AVERROR(ENOSYS);
970 init_put_bits(&pbc, buf, 7);
971 /* VC1DecSpecStruc */
972 put_bits(&pbc, 4, 12); /* profile - advanced */
973 put_bits(&pbc, 3, level);
974 put_bits(&pbc, 1, 0); /* reserved */
975 /* VC1AdvDecSpecStruc */
976 put_bits(&pbc, 3, level);
977 put_bits(&pbc, 1, 0); /* cbr */
978 put_bits(&pbc, 6, 0); /* reserved */
979 put_bits(&pbc, 1, !interlace); /* no interlace */
980 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
981 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
982 put_bits(&pbc, 1, !slices); /* no slice code */
983 put_bits(&pbc, 1, 0); /* no bframe */
984 put_bits(&pbc, 1, 0); /* reserved */
987 if (track->st->avg_frame_rate.num > 0 && track->st->avg_frame_rate.den > 0)
988 put_bits32(&pbc, track->st->avg_frame_rate.num / track->st->avg_frame_rate.den);
990 put_bits32(&pbc, 0xffffffff);
992 flush_put_bits(&pbc);
999 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
1001 uint8_t buf[7] = { 0 };
1004 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
1007 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
1008 ffio_wfourcc(pb, "dvc1");
1009 avio_write(pb, buf, sizeof(buf));
1010 avio_write(pb, track->vos_data, track->vos_len);
1015 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
1017 avio_wb32(pb, track->vos_len + 8);
1018 ffio_wfourcc(pb, "glbl");
1019 avio_write(pb, track->vos_data, track->vos_len);
1020 return 8 + track->vos_len;
1024 * Compute flags for 'lpcm' tag.
1025 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
1027 static int mov_get_lpcm_flags(enum AVCodecID codec_id)
1030 case AV_CODEC_ID_PCM_F32BE:
1031 case AV_CODEC_ID_PCM_F64BE:
1033 case AV_CODEC_ID_PCM_F32LE:
1034 case AV_CODEC_ID_PCM_F64LE:
1036 case AV_CODEC_ID_PCM_U8:
1038 case AV_CODEC_ID_PCM_S16BE:
1039 case AV_CODEC_ID_PCM_S24BE:
1040 case AV_CODEC_ID_PCM_S32BE:
1042 case AV_CODEC_ID_PCM_S8:
1043 case AV_CODEC_ID_PCM_S16LE:
1044 case AV_CODEC_ID_PCM_S24LE:
1045 case AV_CODEC_ID_PCM_S32LE:
1052 static int get_cluster_duration(MOVTrack *track, int cluster_idx)
1056 if (cluster_idx >= track->entry)
1059 if (cluster_idx + 1 == track->entry)
1060 next_dts = track->track_duration + track->start_dts;
1062 next_dts = track->cluster[cluster_idx + 1].dts;
1064 next_dts -= track->cluster[cluster_idx].dts;
1066 av_assert0(next_dts >= 0);
1067 av_assert0(next_dts <= INT_MAX);
1072 static int get_samples_per_packet(MOVTrack *track)
1074 int i, first_duration;
1076 // return track->par->frame_size;
1078 /* use 1 for raw PCM */
1079 if (!track->audio_vbr)
1082 /* check to see if duration is constant for all clusters */
1085 first_duration = get_cluster_duration(track, 0);
1086 for (i = 1; i < track->entry; i++) {
1087 if (get_cluster_duration(track, i) != first_duration)
1090 return first_duration;
1093 static int mov_write_btrt_tag(AVIOContext *pb, MOVTrack *track)
1095 int64_t pos = avio_tell(pb);
1096 struct mpeg4_bit_rate_values bit_rates = calculate_mpeg4_bit_rates(track);
1097 if (!bit_rates.max_bit_rate && !bit_rates.avg_bit_rate &&
1098 !bit_rates.buffer_size)
1099 // no useful data to be written, skip
1102 avio_wb32(pb, 0); /* size */
1103 ffio_wfourcc(pb, "btrt");
1105 avio_wb32(pb, bit_rates.buffer_size);
1106 avio_wb32(pb, bit_rates.max_bit_rate);
1107 avio_wb32(pb, bit_rates.avg_bit_rate);
1109 return update_size(pb, pos);
1112 static int mov_write_audio_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
1114 int64_t pos = avio_tell(pb);
1116 uint32_t tag = track->tag;
1119 if (track->mode == MODE_MOV) {
1120 if (track->timescale > UINT16_MAX || !track->par->channels) {
1121 if (mov_get_lpcm_flags(track->par->codec_id))
1122 tag = AV_RL32("lpcm");
1124 } else if (track->audio_vbr || mov_pcm_le_gt16(track->par->codec_id) ||
1125 mov_pcm_be_gt16(track->par->codec_id) ||
1126 track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
1127 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
1128 track->par->codec_id == AV_CODEC_ID_QDM2) {
1133 avio_wb32(pb, 0); /* size */
1134 if (mov->encryption_scheme != MOV_ENC_NONE) {
1135 ffio_wfourcc(pb, "enca");
1137 avio_wl32(pb, tag); // store it byteswapped
1139 avio_wb32(pb, 0); /* Reserved */
1140 avio_wb16(pb, 0); /* Reserved */
1141 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
1143 /* SoundDescription */
1144 avio_wb16(pb, version); /* Version */
1145 avio_wb16(pb, 0); /* Revision level */
1146 avio_wb32(pb, 0); /* Reserved */
1151 avio_wb16(pb, 0xfffe);
1153 avio_wb32(pb, 0x00010000);
1155 avio_wb64(pb, av_double2int(track->par->sample_rate));
1156 avio_wb32(pb, track->par->channels);
1157 avio_wb32(pb, 0x7F000000);
1158 avio_wb32(pb, av_get_bits_per_sample(track->par->codec_id));
1159 avio_wb32(pb, mov_get_lpcm_flags(track->par->codec_id));
1160 avio_wb32(pb, track->sample_size);
1161 avio_wb32(pb, get_samples_per_packet(track));
1163 if (track->mode == MODE_MOV) {
1164 avio_wb16(pb, track->par->channels);
1165 if (track->par->codec_id == AV_CODEC_ID_PCM_U8 ||
1166 track->par->codec_id == AV_CODEC_ID_PCM_S8)
1167 avio_wb16(pb, 8); /* bits per sample */
1168 else if (track->par->codec_id == AV_CODEC_ID_ADPCM_G726)
1169 avio_wb16(pb, track->par->bits_per_coded_sample);
1172 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
1173 } else { /* reserved for mp4/3gp */
1174 if (track->par->codec_id == AV_CODEC_ID_FLAC ||
1175 track->par->codec_id == AV_CODEC_ID_ALAC ||
1176 track->par->codec_id == AV_CODEC_ID_OPUS) {
1177 avio_wb16(pb, track->par->channels);
1181 if (track->par->codec_id == AV_CODEC_ID_FLAC ||
1182 track->par->codec_id == AV_CODEC_ID_ALAC) {
1183 avio_wb16(pb, track->par->bits_per_raw_sample);
1190 avio_wb16(pb, 0); /* packet size (= 0) */
1191 if (track->par->codec_id == AV_CODEC_ID_OPUS)
1192 avio_wb16(pb, 48000);
1193 else if (track->par->codec_id == AV_CODEC_ID_TRUEHD)
1194 avio_wb32(pb, track->par->sample_rate);
1196 avio_wb16(pb, track->par->sample_rate <= UINT16_MAX ?
1197 track->par->sample_rate : 0);
1199 if (track->par->codec_id != AV_CODEC_ID_TRUEHD)
1200 avio_wb16(pb, 0); /* Reserved */
1203 if (version == 1) { /* SoundDescription V1 extended info */
1204 if (mov_pcm_le_gt16(track->par->codec_id) ||
1205 mov_pcm_be_gt16(track->par->codec_id))
1206 avio_wb32(pb, 1); /* must be 1 for uncompressed formats */
1208 avio_wb32(pb, track->par->frame_size); /* Samples per packet */
1209 avio_wb32(pb, track->sample_size / track->par->channels); /* Bytes per packet */
1210 avio_wb32(pb, track->sample_size); /* Bytes per frame */
1211 avio_wb32(pb, 2); /* Bytes per sample */
1214 if (track->mode == MODE_MOV &&
1215 (track->par->codec_id == AV_CODEC_ID_AAC ||
1216 track->par->codec_id == AV_CODEC_ID_AC3 ||
1217 track->par->codec_id == AV_CODEC_ID_EAC3 ||
1218 track->par->codec_id == AV_CODEC_ID_AMR_NB ||
1219 track->par->codec_id == AV_CODEC_ID_ALAC ||
1220 track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
1221 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
1222 track->par->codec_id == AV_CODEC_ID_QDM2 ||
1223 (mov_pcm_le_gt16(track->par->codec_id) && version==1) ||
1224 (mov_pcm_be_gt16(track->par->codec_id) && version==1)))
1225 ret = mov_write_wave_tag(s, pb, track);
1226 else if (track->tag == MKTAG('m','p','4','a'))
1227 ret = mov_write_esds_tag(pb, track);
1228 else if (track->par->codec_id == AV_CODEC_ID_AMR_NB)
1229 ret = mov_write_amr_tag(pb, track);
1230 else if (track->par->codec_id == AV_CODEC_ID_AC3)
1231 ret = mov_write_ac3_tag(s, pb, track);
1232 else if (track->par->codec_id == AV_CODEC_ID_EAC3)
1233 ret = mov_write_eac3_tag(s, pb, track);
1234 else if (track->par->codec_id == AV_CODEC_ID_ALAC)
1235 ret = mov_write_extradata_tag(pb, track);
1236 else if (track->par->codec_id == AV_CODEC_ID_WMAPRO)
1237 ret = mov_write_wfex_tag(s, pb, track);
1238 else if (track->par->codec_id == AV_CODEC_ID_FLAC)
1239 ret = mov_write_dfla_tag(pb, track);
1240 else if (track->par->codec_id == AV_CODEC_ID_OPUS)
1241 ret = mov_write_dops_tag(s, pb, track);
1242 else if (track->par->codec_id == AV_CODEC_ID_TRUEHD)
1243 ret = mov_write_dmlp_tag(s, pb, track);
1244 else if (track->vos_len > 0)
1245 ret = mov_write_glbl_tag(pb, track);
1250 if (track->mode == MODE_MOV && track->par->codec_type == AVMEDIA_TYPE_AUDIO
1251 && ((ret = mov_write_chan_tag(s, pb, track)) < 0)) {
1255 if (mov->encryption_scheme != MOV_ENC_NONE
1256 && ((ret = ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid)) < 0)) {
1260 if (track->mode == MODE_MP4 &&
1261 ((ret = mov_write_btrt_tag(pb, track)) < 0))
1264 ret = update_size(pb, pos);
1268 static int mov_write_d263_tag(AVIOContext *pb)
1270 avio_wb32(pb, 0xf); /* size */
1271 ffio_wfourcc(pb, "d263");
1272 ffio_wfourcc(pb, "FFMP");
1273 avio_w8(pb, 0); /* decoder version */
1274 /* FIXME use AVCodecContext level/profile, when encoder will set values */
1275 avio_w8(pb, 0xa); /* level */
1276 avio_w8(pb, 0); /* profile */
1280 static int mov_write_av1c_tag(AVIOContext *pb, MOVTrack *track)
1282 int64_t pos = avio_tell(pb);
1285 ffio_wfourcc(pb, "av1C");
1286 ff_isom_write_av1c(pb, track->vos_data, track->vos_len);
1287 return update_size(pb, pos);
1290 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
1292 int64_t pos = avio_tell(pb);
1295 ffio_wfourcc(pb, "avcC");
1296 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
1297 return update_size(pb, pos);
1300 static int mov_write_vpcc_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
1302 int64_t pos = avio_tell(pb);
1305 ffio_wfourcc(pb, "vpcC");
1306 avio_w8(pb, 1); /* version */
1307 avio_wb24(pb, 0); /* flags */
1308 ff_isom_write_vpcc(s, pb, track->par);
1309 return update_size(pb, pos);
1312 static int mov_write_hvcc_tag(AVIOContext *pb, MOVTrack *track)
1314 int64_t pos = avio_tell(pb);
1317 ffio_wfourcc(pb, "hvcC");
1318 if (track->tag == MKTAG('h','v','c','1'))
1319 ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 1);
1321 ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 0);
1322 return update_size(pb, pos);
1325 /* also used by all avid codecs (dv, imx, meridien) and their variants */
1326 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
1331 int display_width = track->par->width;
1333 if (track->vos_data && track->vos_len > 0x29) {
1334 if (ff_dnxhd_parse_header_prefix(track->vos_data) != 0) {
1335 /* looks like a DNxHD bit stream */
1336 interlaced = (track->vos_data[5] & 2);
1337 cid = AV_RB32(track->vos_data + 0x28);
1339 av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream in vos_data\n");
1343 av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream, vos_data too small\n");
1347 avio_wb32(pb, 24); /* size */
1348 ffio_wfourcc(pb, "ACLR");
1349 ffio_wfourcc(pb, "ACLR");
1350 ffio_wfourcc(pb, "0001");
1351 if (track->par->color_range == AVCOL_RANGE_MPEG || /* Legal range (16-235) */
1352 track->par->color_range == AVCOL_RANGE_UNSPECIFIED) {
1353 avio_wb32(pb, 1); /* Corresponds to 709 in official encoder */
1354 } else { /* Full range (0-255) */
1355 avio_wb32(pb, 2); /* Corresponds to RGB in official encoder */
1357 avio_wb32(pb, 0); /* unknown */
1359 if (track->tag == MKTAG('A','V','d','h')) {
1361 ffio_wfourcc(pb, "ADHR");
1362 ffio_wfourcc(pb, "0001");
1364 avio_wb32(pb, 0); /* unknown */
1365 avio_wb32(pb, 1); /* unknown */
1366 avio_wb32(pb, 0); /* unknown */
1367 avio_wb32(pb, 0); /* unknown */
1371 avio_wb32(pb, 24); /* size */
1372 ffio_wfourcc(pb, "APRG");
1373 ffio_wfourcc(pb, "APRG");
1374 ffio_wfourcc(pb, "0001");
1375 avio_wb32(pb, 1); /* unknown */
1376 avio_wb32(pb, 0); /* unknown */
1378 avio_wb32(pb, 120); /* size */
1379 ffio_wfourcc(pb, "ARES");
1380 ffio_wfourcc(pb, "ARES");
1381 ffio_wfourcc(pb, "0001");
1382 avio_wb32(pb, cid); /* dnxhd cid, some id ? */
1383 if ( track->par->sample_aspect_ratio.num > 0
1384 && track->par->sample_aspect_ratio.den > 0)
1385 display_width = display_width * track->par->sample_aspect_ratio.num / track->par->sample_aspect_ratio.den;
1386 avio_wb32(pb, display_width);
1387 /* values below are based on samples created with quicktime and avid codecs */
1389 avio_wb32(pb, track->par->height / 2);
1390 avio_wb32(pb, 2); /* unknown */
1391 avio_wb32(pb, 0); /* unknown */
1392 avio_wb32(pb, 4); /* unknown */
1394 avio_wb32(pb, track->par->height);
1395 avio_wb32(pb, 1); /* unknown */
1396 avio_wb32(pb, 0); /* unknown */
1397 if (track->par->height == 1080)
1398 avio_wb32(pb, 5); /* unknown */
1400 avio_wb32(pb, 6); /* unknown */
1403 for (i = 0; i < 10; i++)
1409 static int mov_write_dpxe_tag(AVIOContext *pb, MOVTrack *track)
1412 ffio_wfourcc(pb, "DpxE");
1413 if (track->par->extradata_size >= 12 &&
1414 !memcmp(&track->par->extradata[4], "DpxE", 4)) {
1415 avio_wb32(pb, track->par->extradata[11]);
1422 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
1426 if (track->par->width == 720) { /* SD */
1427 if (track->par->height == 480) { /* NTSC */
1428 if (track->par->format == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
1429 else tag = MKTAG('d','v','c',' ');
1430 }else if (track->par->format == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
1431 else if (track->par->format == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
1432 else tag = MKTAG('d','v','p','p');
1433 } else if (track->par->height == 720) { /* HD 720 line */
1434 if (track->st->time_base.den == 50) tag = MKTAG('d','v','h','q');
1435 else tag = MKTAG('d','v','h','p');
1436 } else if (track->par->height == 1080) { /* HD 1080 line */
1437 if (track->st->time_base.den == 25) tag = MKTAG('d','v','h','5');
1438 else tag = MKTAG('d','v','h','6');
1440 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
1447 static AVRational find_fps(AVFormatContext *s, AVStream *st)
1449 AVRational rate = st->avg_frame_rate;
1451 #if FF_API_LAVF_AVCTX
1452 FF_DISABLE_DEPRECATION_WARNINGS
1453 rate = av_inv_q(st->codec->time_base);
1454 if (av_timecode_check_frame_rate(rate) < 0) {
1455 av_log(s, AV_LOG_DEBUG, "timecode: tbc=%d/%d invalid, fallback on %d/%d\n",
1456 rate.num, rate.den, st->avg_frame_rate.num, st->avg_frame_rate.den);
1457 rate = st->avg_frame_rate;
1459 FF_ENABLE_DEPRECATION_WARNINGS
1465 static int defined_frame_rate(AVFormatContext *s, AVStream *st)
1467 AVRational rational_framerate = find_fps(s, st);
1469 if (rational_framerate.den != 0)
1470 rate = av_q2d(rational_framerate);
1474 static int mov_get_mpeg2_xdcam_codec_tag(AVFormatContext *s, MOVTrack *track)
1476 int tag = track->par->codec_tag;
1477 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1478 AVStream *st = track->st;
1479 int rate = defined_frame_rate(s, st);
1482 tag = MKTAG('m', '2', 'v', '1'); //fallback tag
1484 if (track->par->format == AV_PIX_FMT_YUV420P) {
1485 if (track->par->width == 1280 && track->par->height == 720) {
1487 if (rate == 24) tag = MKTAG('x','d','v','4');
1488 else if (rate == 25) tag = MKTAG('x','d','v','5');
1489 else if (rate == 30) tag = MKTAG('x','d','v','1');
1490 else if (rate == 50) tag = MKTAG('x','d','v','a');
1491 else if (rate == 60) tag = MKTAG('x','d','v','9');
1493 } else if (track->par->width == 1440 && track->par->height == 1080) {
1495 if (rate == 24) tag = MKTAG('x','d','v','6');
1496 else if (rate == 25) tag = MKTAG('x','d','v','7');
1497 else if (rate == 30) tag = MKTAG('x','d','v','8');
1499 if (rate == 25) tag = MKTAG('x','d','v','3');
1500 else if (rate == 30) tag = MKTAG('x','d','v','2');
1502 } else if (track->par->width == 1920 && track->par->height == 1080) {
1504 if (rate == 24) tag = MKTAG('x','d','v','d');
1505 else if (rate == 25) tag = MKTAG('x','d','v','e');
1506 else if (rate == 30) tag = MKTAG('x','d','v','f');
1508 if (rate == 25) tag = MKTAG('x','d','v','c');
1509 else if (rate == 30) tag = MKTAG('x','d','v','b');
1512 } else if (track->par->format == AV_PIX_FMT_YUV422P) {
1513 if (track->par->width == 1280 && track->par->height == 720) {
1515 if (rate == 24) tag = MKTAG('x','d','5','4');
1516 else if (rate == 25) tag = MKTAG('x','d','5','5');
1517 else if (rate == 30) tag = MKTAG('x','d','5','1');
1518 else if (rate == 50) tag = MKTAG('x','d','5','a');
1519 else if (rate == 60) tag = MKTAG('x','d','5','9');
1521 } else if (track->par->width == 1920 && track->par->height == 1080) {
1523 if (rate == 24) tag = MKTAG('x','d','5','d');
1524 else if (rate == 25) tag = MKTAG('x','d','5','e');
1525 else if (rate == 30) tag = MKTAG('x','d','5','f');
1527 if (rate == 25) tag = MKTAG('x','d','5','c');
1528 else if (rate == 30) tag = MKTAG('x','d','5','b');
1536 static int mov_get_h264_codec_tag(AVFormatContext *s, MOVTrack *track)
1538 int tag = track->par->codec_tag;
1539 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1540 AVStream *st = track->st;
1541 int rate = defined_frame_rate(s, st);
1544 tag = MKTAG('a', 'v', 'c', 'i'); //fallback tag
1546 if (track->par->format == AV_PIX_FMT_YUV420P10) {
1547 if (track->par->width == 960 && track->par->height == 720) {
1549 if (rate == 24) tag = MKTAG('a','i','5','p');
1550 else if (rate == 25) tag = MKTAG('a','i','5','q');
1551 else if (rate == 30) tag = MKTAG('a','i','5','p');
1552 else if (rate == 50) tag = MKTAG('a','i','5','q');
1553 else if (rate == 60) tag = MKTAG('a','i','5','p');
1555 } else if (track->par->width == 1440 && track->par->height == 1080) {
1557 if (rate == 24) tag = MKTAG('a','i','5','3');
1558 else if (rate == 25) tag = MKTAG('a','i','5','2');
1559 else if (rate == 30) tag = MKTAG('a','i','5','3');
1561 if (rate == 50) tag = MKTAG('a','i','5','5');
1562 else if (rate == 60) tag = MKTAG('a','i','5','6');
1565 } else if (track->par->format == AV_PIX_FMT_YUV422P10) {
1566 if (track->par->width == 1280 && track->par->height == 720) {
1568 if (rate == 24) tag = MKTAG('a','i','1','p');
1569 else if (rate == 25) tag = MKTAG('a','i','1','q');
1570 else if (rate == 30) tag = MKTAG('a','i','1','p');
1571 else if (rate == 50) tag = MKTAG('a','i','1','q');
1572 else if (rate == 60) tag = MKTAG('a','i','1','p');
1574 } else if (track->par->width == 1920 && track->par->height == 1080) {
1576 if (rate == 24) tag = MKTAG('a','i','1','3');
1577 else if (rate == 25) tag = MKTAG('a','i','1','2');
1578 else if (rate == 30) tag = MKTAG('a','i','1','3');
1580 if (rate == 25) tag = MKTAG('a','i','1','5');
1581 else if (rate == 50) tag = MKTAG('a','i','1','5');
1582 else if (rate == 60) tag = MKTAG('a','i','1','6');
1584 } else if ( track->par->width == 4096 && track->par->height == 2160
1585 || track->par->width == 3840 && track->par->height == 2160
1586 || track->par->width == 2048 && track->par->height == 1080) {
1587 tag = MKTAG('a','i','v','x');
1594 static const struct {
1595 enum AVPixelFormat pix_fmt;
1598 } mov_pix_fmt_tags[] = {
1599 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','2'), 0 },
1600 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
1601 { AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
1602 { AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
1603 { AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
1604 { AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
1605 { AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
1606 { AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
1607 { AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
1608 { AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
1609 { AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
1610 { AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
1611 { AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
1612 { AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
1613 { AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
1616 static int mov_get_dnxhd_codec_tag(AVFormatContext *s, MOVTrack *track)
1618 int tag = MKTAG('A','V','d','n');
1619 if (track->par->profile != FF_PROFILE_UNKNOWN &&
1620 track->par->profile != FF_PROFILE_DNXHD)
1621 tag = MKTAG('A','V','d','h');
1625 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
1627 int tag = track->par->codec_tag;
1629 enum AVPixelFormat pix_fmt;
1631 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
1632 if (track->par->format == mov_pix_fmt_tags[i].pix_fmt) {
1633 tag = mov_pix_fmt_tags[i].tag;
1634 track->par->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
1635 if (track->par->codec_tag == mov_pix_fmt_tags[i].tag)
1640 pix_fmt = avpriv_find_pix_fmt(avpriv_pix_fmt_bps_mov,
1641 track->par->bits_per_coded_sample);
1642 if (tag == MKTAG('r','a','w',' ') &&
1643 track->par->format != pix_fmt &&
1644 track->par->format != AV_PIX_FMT_GRAY8 &&
1645 track->par->format != AV_PIX_FMT_NONE)
1646 av_log(s, AV_LOG_ERROR, "%s rawvideo cannot be written to mov, output file will be unreadable\n",
1647 av_get_pix_fmt_name(track->par->format));
1651 static unsigned int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1653 unsigned int tag = track->par->codec_tag;
1655 if (!tag || (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
1656 (track->par->codec_id == AV_CODEC_ID_DVVIDEO ||
1657 track->par->codec_id == AV_CODEC_ID_RAWVIDEO ||
1658 track->par->codec_id == AV_CODEC_ID_H263 ||
1659 track->par->codec_id == AV_CODEC_ID_H264 ||
1660 track->par->codec_id == AV_CODEC_ID_DNXHD ||
1661 track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO ||
1662 av_get_bits_per_sample(track->par->codec_id)))) { // pcm audio
1663 if (track->par->codec_id == AV_CODEC_ID_DVVIDEO)
1664 tag = mov_get_dv_codec_tag(s, track);
1665 else if (track->par->codec_id == AV_CODEC_ID_RAWVIDEO)
1666 tag = mov_get_rawvideo_codec_tag(s, track);
1667 else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO)
1668 tag = mov_get_mpeg2_xdcam_codec_tag(s, track);
1669 else if (track->par->codec_id == AV_CODEC_ID_H264)
1670 tag = mov_get_h264_codec_tag(s, track);
1671 else if (track->par->codec_id == AV_CODEC_ID_DNXHD)
1672 tag = mov_get_dnxhd_codec_tag(s, track);
1673 else if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
1674 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->par->codec_id);
1675 if (!tag) { // if no mac fcc found, try with Microsoft tags
1676 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->par->codec_id);
1678 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
1679 "the file may be unplayable!\n");
1681 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
1682 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->par->codec_id);
1683 if (!tag) { // if no mac fcc found, try with Microsoft tags
1684 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->par->codec_id);
1686 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
1687 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
1688 "the file may be unplayable!\n");
1691 } else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)
1692 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->par->codec_id);
1698 static const AVCodecTag codec_cover_image_tags[] = {
1699 { AV_CODEC_ID_MJPEG, 0xD },
1700 { AV_CODEC_ID_PNG, 0xE },
1701 { AV_CODEC_ID_BMP, 0x1B },
1702 { AV_CODEC_ID_NONE, 0 },
1705 static unsigned int validate_codec_tag(const AVCodecTag *const *tags,
1706 unsigned int tag, int codec_id)
1711 * Check that tag + id is in the table
1713 for (i = 0; tags && tags[i]; i++) {
1714 const AVCodecTag *codec_tags = tags[i];
1715 while (codec_tags->id != AV_CODEC_ID_NONE) {
1716 if (avpriv_toupper4(codec_tags->tag) == avpriv_toupper4(tag) &&
1717 codec_tags->id == codec_id)
1718 return codec_tags->tag;
1725 static unsigned int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
1727 if (is_cover_image(track->st))
1728 return ff_codec_get_tag(codec_cover_image_tags, track->par->codec_id);
1730 if (track->mode == MODE_IPOD)
1731 if (!av_match_ext(s->url, "m4a") &&
1732 !av_match_ext(s->url, "m4v") &&
1733 !av_match_ext(s->url, "m4b"))
1734 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
1735 "Quicktime/Ipod might not play the file\n");
1737 if (track->mode == MODE_MOV) {
1738 return mov_get_codec_tag(s, track);
1740 return validate_codec_tag(s->oformat->codec_tag, track->par->codec_tag,
1741 track->par->codec_id);
1744 /** Write uuid atom.
1745 * Needed to make file play in iPods running newest firmware
1746 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
1748 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
1751 ffio_wfourcc(pb, "uuid");
1752 avio_wb32(pb, 0x6b6840f2);
1753 avio_wb32(pb, 0x5f244fc5);
1754 avio_wb32(pb, 0xba39a51b);
1755 avio_wb32(pb, 0xcf0323f3);
1760 static const uint16_t fiel_data[] = {
1761 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
1764 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track, int field_order)
1766 unsigned mov_field_order = 0;
1767 if (field_order < FF_ARRAY_ELEMS(fiel_data))
1768 mov_field_order = fiel_data[field_order];
1772 ffio_wfourcc(pb, "fiel");
1773 avio_wb16(pb, mov_field_order);
1777 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
1779 int ret = AVERROR_BUG;
1780 int64_t pos = avio_tell(pb);
1781 avio_wb32(pb, 0); /* size */
1782 avio_wl32(pb, track->tag); // store it byteswapped
1783 avio_wb32(pb, 0); /* Reserved */
1784 avio_wb16(pb, 0); /* Reserved */
1785 avio_wb16(pb, 1); /* Data-reference index */
1787 if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
1788 mov_write_esds_tag(pb, track);
1789 else if (track->par->extradata_size)
1790 avio_write(pb, track->par->extradata, track->par->extradata_size);
1792 if (track->mode == MODE_MP4 &&
1793 ((ret = mov_write_btrt_tag(pb, track)) < 0))
1796 return update_size(pb, pos);
1799 static int mov_write_st3d_tag(AVFormatContext *s, AVIOContext *pb, AVStereo3D *stereo_3d)
1803 if (stereo_3d->flags != 0) {
1804 av_log(s, AV_LOG_WARNING, "Unsupported stereo_3d flags %x. st3d not written.\n", stereo_3d->flags);
1808 switch (stereo_3d->type) {
1809 case AV_STEREO3D_2D:
1812 case AV_STEREO3D_TOPBOTTOM:
1815 case AV_STEREO3D_SIDEBYSIDE:
1819 av_log(s, AV_LOG_WARNING, "Unsupported stereo_3d type %s. st3d not written.\n", av_stereo3d_type_name(stereo_3d->type));
1822 avio_wb32(pb, 13); /* size */
1823 ffio_wfourcc(pb, "st3d");
1824 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1825 avio_w8(pb, stereo_mode);
1829 static int mov_write_sv3d_tag(AVFormatContext *s, AVIOContext *pb, AVSphericalMapping *spherical_mapping)
1831 int64_t sv3d_pos, svhd_pos, proj_pos;
1832 const char* metadata_source = s->flags & AVFMT_FLAG_BITEXACT ? "Lavf" : LIBAVFORMAT_IDENT;
1834 if (spherical_mapping->projection != AV_SPHERICAL_EQUIRECTANGULAR &&
1835 spherical_mapping->projection != AV_SPHERICAL_EQUIRECTANGULAR_TILE &&
1836 spherical_mapping->projection != AV_SPHERICAL_CUBEMAP) {
1837 av_log(s, AV_LOG_WARNING, "Unsupported projection %d. sv3d not written.\n", spherical_mapping->projection);
1841 sv3d_pos = avio_tell(pb);
1842 avio_wb32(pb, 0); /* size */
1843 ffio_wfourcc(pb, "sv3d");
1845 svhd_pos = avio_tell(pb);
1846 avio_wb32(pb, 0); /* size */
1847 ffio_wfourcc(pb, "svhd");
1848 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1849 avio_put_str(pb, metadata_source);
1850 update_size(pb, svhd_pos);
1852 proj_pos = avio_tell(pb);
1853 avio_wb32(pb, 0); /* size */
1854 ffio_wfourcc(pb, "proj");
1856 avio_wb32(pb, 24); /* size */
1857 ffio_wfourcc(pb, "prhd");
1858 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1859 avio_wb32(pb, spherical_mapping->yaw);
1860 avio_wb32(pb, spherical_mapping->pitch);
1861 avio_wb32(pb, spherical_mapping->roll);
1863 switch (spherical_mapping->projection) {
1864 case AV_SPHERICAL_EQUIRECTANGULAR:
1865 case AV_SPHERICAL_EQUIRECTANGULAR_TILE:
1866 avio_wb32(pb, 28); /* size */
1867 ffio_wfourcc(pb, "equi");
1868 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1869 avio_wb32(pb, spherical_mapping->bound_top);
1870 avio_wb32(pb, spherical_mapping->bound_bottom);
1871 avio_wb32(pb, spherical_mapping->bound_left);
1872 avio_wb32(pb, spherical_mapping->bound_right);
1874 case AV_SPHERICAL_CUBEMAP:
1875 avio_wb32(pb, 20); /* size */
1876 ffio_wfourcc(pb, "cbmp");
1877 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1878 avio_wb32(pb, 0); /* layout */
1879 avio_wb32(pb, spherical_mapping->padding); /* padding */
1882 update_size(pb, proj_pos);
1884 return update_size(pb, sv3d_pos);
1887 static int mov_write_dvcc_dvvc_tag(AVFormatContext *s, AVIOContext *pb, AVDOVIDecoderConfigurationRecord *dovi)
1889 avio_wb32(pb, 32); /* size = 8 + 24 */
1890 if (dovi->dv_profile > 7)
1891 ffio_wfourcc(pb, "dvvC");
1893 ffio_wfourcc(pb, "dvcC");
1894 avio_w8(pb, dovi->dv_version_major);
1895 avio_w8(pb, dovi->dv_version_minor);
1896 avio_wb16(pb, (dovi->dv_profile << 9) | (dovi->dv_level << 3) |
1897 (dovi->rpu_present_flag << 2) | (dovi->el_present_flag << 1) |
1898 dovi->bl_present_flag);
1899 avio_wb32(pb, (dovi->dv_bl_signal_compatibility_id << 28) | 0);
1901 avio_wb32(pb, 0); /* reserved */
1902 avio_wb32(pb, 0); /* reserved */
1903 avio_wb32(pb, 0); /* reserved */
1904 avio_wb32(pb, 0); /* reserved */
1905 av_log(s, AV_LOG_DEBUG, "DOVI in %s box, version: %d.%d, profile: %d, level: %d, "
1906 "rpu flag: %d, el flag: %d, bl flag: %d, compatibility id: %d\n",
1907 dovi->dv_profile > 7 ? "dvvC" : "dvcC",
1908 dovi->dv_version_major, dovi->dv_version_minor,
1909 dovi->dv_profile, dovi->dv_level,
1910 dovi->rpu_present_flag,
1911 dovi->el_present_flag,
1912 dovi->bl_present_flag,
1913 dovi->dv_bl_signal_compatibility_id);
1914 return 32; /* 8 + 24 */
1917 static int mov_write_clap_tag(AVIOContext *pb, MOVTrack *track)
1920 ffio_wfourcc(pb, "clap");
1921 avio_wb32(pb, track->par->width); /* apertureWidth_N */
1922 avio_wb32(pb, 1); /* apertureWidth_D (= 1) */
1923 avio_wb32(pb, track->height); /* apertureHeight_N */
1924 avio_wb32(pb, 1); /* apertureHeight_D (= 1) */
1925 avio_wb32(pb, 0); /* horizOff_N (= 0) */
1926 avio_wb32(pb, 1); /* horizOff_D (= 1) */
1927 avio_wb32(pb, 0); /* vertOff_N (= 0) */
1928 avio_wb32(pb, 1); /* vertOff_D (= 1) */
1932 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
1935 av_reduce(&sar.num, &sar.den, track->par->sample_aspect_ratio.num,
1936 track->par->sample_aspect_ratio.den, INT_MAX);
1939 ffio_wfourcc(pb, "pasp");
1940 avio_wb32(pb, sar.num);
1941 avio_wb32(pb, sar.den);
1945 static int mov_write_gama_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track, double gamma)
1949 gamma = avpriv_get_gamma_from_trc(track->par->color_trc);
1951 av_log(s, AV_LOG_DEBUG, "gamma value %g\n", gamma);
1954 gama = (uint32_t)lrint((double)(1<<16) * gamma);
1955 av_log(s, AV_LOG_DEBUG, "writing gama value %"PRId32"\n", gama);
1957 av_assert0(track->mode == MODE_MOV);
1959 ffio_wfourcc(pb, "gama");
1960 avio_wb32(pb, gama);
1963 av_log(s, AV_LOG_WARNING, "gamma value unknown, unable to write gama atom\n");
1968 static int mov_write_colr_tag(AVIOContext *pb, MOVTrack *track, int prefer_icc)
1970 int64_t pos = avio_tell(pb);
1972 // Ref (MOV): https://developer.apple.com/library/mac/technotes/tn2162/_index.html#//apple_ref/doc/uid/DTS40013070-CH1-TNTAG9
1973 // Ref (MP4): ISO/IEC 14496-12:2012
1975 const uint8_t *icc_profile;
1976 int icc_profile_size;
1979 icc_profile = av_stream_get_side_data(track->st, AV_PKT_DATA_ICC_PROFILE, &icc_profile_size);
1982 avio_wb32(pb, 12 + icc_profile_size);
1983 ffio_wfourcc(pb, "colr");
1984 ffio_wfourcc(pb, "prof");
1985 avio_write(pb, icc_profile, icc_profile_size);
1986 return 12 + icc_profile_size;
1989 av_log(NULL, AV_LOG_INFO, "no ICC profile found, will write nclx/nclc colour info instead\n");
1993 /* We should only ever be called by MOV or MP4. */
1994 av_assert0(track->mode == MODE_MOV || track->mode == MODE_MP4);
1996 avio_wb32(pb, 0); /* size */
1997 ffio_wfourcc(pb, "colr");
1998 if (track->mode == MODE_MP4)
1999 ffio_wfourcc(pb, "nclx");
2001 ffio_wfourcc(pb, "nclc");
2002 // Do not try to guess the color info if it is AVCOL_PRI_UNSPECIFIED.
2003 // e.g., Dolby Vision for Apple devices should be set to AVCOL_PRI_UNSPECIFIED. See
2004 // https://developer.apple.com/av-foundation/High-Dynamic-Range-Metadata-for-Apple-Devices.pdf
2005 avio_wb16(pb, track->par->color_primaries);
2006 avio_wb16(pb, track->par->color_trc);
2007 avio_wb16(pb, track->par->color_space);
2008 if (track->mode == MODE_MP4) {
2009 int full_range = track->par->color_range == AVCOL_RANGE_JPEG;
2010 avio_w8(pb, full_range << 7);
2013 return update_size(pb, pos);
2016 static int mov_write_clli_tag(AVIOContext *pb, MOVTrack *track)
2018 const uint8_t *side_data;
2019 const AVContentLightMetadata *content_light_metadata;
2021 side_data = av_stream_get_side_data(track->st, AV_PKT_DATA_CONTENT_LIGHT_LEVEL, NULL);
2023 av_log(NULL, AV_LOG_VERBOSE, "Not writing 'clli' atom. No content light level info.\n");
2026 content_light_metadata = (const AVContentLightMetadata*)side_data;
2028 avio_wb32(pb, 12); // size
2029 ffio_wfourcc(pb, "clli");
2030 avio_wb16(pb, content_light_metadata->MaxCLL);
2031 avio_wb16(pb, content_light_metadata->MaxFALL);
2035 static inline int64_t rescale_mdcv(AVRational q, int b)
2037 return av_rescale(q.num, b, q.den);
2040 static int mov_write_mdcv_tag(AVIOContext *pb, MOVTrack *track)
2042 const int chroma_den = 50000;
2043 const int luma_den = 10000;
2044 const uint8_t *side_data;
2045 const AVMasteringDisplayMetadata *metadata;
2047 side_data = av_stream_get_side_data(track->st, AV_PKT_DATA_MASTERING_DISPLAY_METADATA, NULL);
2048 metadata = (const AVMasteringDisplayMetadata*)side_data;
2049 if (!metadata || !metadata->has_primaries || !metadata->has_luminance) {
2050 av_log(NULL, AV_LOG_VERBOSE, "Not writing 'mdcv' atom. Missing mastering metadata.\n");
2054 avio_wb32(pb, 32); // size
2055 ffio_wfourcc(pb, "mdcv");
2056 avio_wb16(pb, rescale_mdcv(metadata->display_primaries[1][0], chroma_den));
2057 avio_wb16(pb, rescale_mdcv(metadata->display_primaries[1][1], chroma_den));
2058 avio_wb16(pb, rescale_mdcv(metadata->display_primaries[2][0], chroma_den));
2059 avio_wb16(pb, rescale_mdcv(metadata->display_primaries[2][1], chroma_den));
2060 avio_wb16(pb, rescale_mdcv(metadata->display_primaries[0][0], chroma_den));
2061 avio_wb16(pb, rescale_mdcv(metadata->display_primaries[0][1], chroma_den));
2062 avio_wb16(pb, rescale_mdcv(metadata->white_point[0], chroma_den));
2063 avio_wb16(pb, rescale_mdcv(metadata->white_point[1], chroma_den));
2064 avio_wb32(pb, rescale_mdcv(metadata->max_luminance, luma_den));
2065 avio_wb32(pb, rescale_mdcv(metadata->min_luminance, luma_den));
2069 static void find_compressor(char * compressor_name, int len, MOVTrack *track)
2071 AVDictionaryEntry *encoder;
2072 int xdcam_res = (track->par->width == 1280 && track->par->height == 720)
2073 || (track->par->width == 1440 && track->par->height == 1080)
2074 || (track->par->width == 1920 && track->par->height == 1080);
2076 if (track->mode == MODE_MOV &&
2077 (encoder = av_dict_get(track->st->metadata, "encoder", NULL, 0))) {
2078 av_strlcpy(compressor_name, encoder->value, 32);
2079 } else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO && xdcam_res) {
2080 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
2081 AVStream *st = track->st;
2082 int rate = defined_frame_rate(NULL, st);
2083 av_strlcatf(compressor_name, len, "XDCAM");
2084 if (track->par->format == AV_PIX_FMT_YUV422P) {
2085 av_strlcatf(compressor_name, len, " HD422");
2086 } else if(track->par->width == 1440) {
2087 av_strlcatf(compressor_name, len, " HD");
2089 av_strlcatf(compressor_name, len, " EX");
2091 av_strlcatf(compressor_name, len, " %d%c", track->par->height, interlaced ? 'i' : 'p');
2093 av_strlcatf(compressor_name, len, "%d", rate * (interlaced + 1));
2097 static int mov_write_video_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2099 int ret = AVERROR_BUG;
2100 int64_t pos = avio_tell(pb);
2101 char compressor_name[32] = { 0 };
2104 int uncompressed_ycbcr = ((track->par->codec_id == AV_CODEC_ID_RAWVIDEO && track->par->format == AV_PIX_FMT_UYVY422)
2105 || (track->par->codec_id == AV_CODEC_ID_RAWVIDEO && track->par->format == AV_PIX_FMT_YUYV422)
2106 || track->par->codec_id == AV_CODEC_ID_V308
2107 || track->par->codec_id == AV_CODEC_ID_V408
2108 || track->par->codec_id == AV_CODEC_ID_V410
2109 || track->par->codec_id == AV_CODEC_ID_V210);
2111 avio_wb32(pb, 0); /* size */
2112 if (mov->encryption_scheme != MOV_ENC_NONE) {
2113 ffio_wfourcc(pb, "encv");
2115 avio_wl32(pb, track->tag); // store it byteswapped
2117 avio_wb32(pb, 0); /* Reserved */
2118 avio_wb16(pb, 0); /* Reserved */
2119 avio_wb16(pb, 1); /* Data-reference index */
2121 if (uncompressed_ycbcr) {
2122 avio_wb16(pb, 2); /* Codec stream version */
2124 avio_wb16(pb, 0); /* Codec stream version */
2126 avio_wb16(pb, 0); /* Codec stream revision (=0) */
2127 if (track->mode == MODE_MOV) {
2128 ffio_wfourcc(pb, "FFMP"); /* Vendor */
2129 if (track->par->codec_id == AV_CODEC_ID_RAWVIDEO || uncompressed_ycbcr) {
2130 avio_wb32(pb, 0); /* Temporal Quality */
2131 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
2133 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
2134 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
2137 avio_wb32(pb, 0); /* Reserved */
2138 avio_wb32(pb, 0); /* Reserved */
2139 avio_wb32(pb, 0); /* Reserved */
2141 avio_wb16(pb, track->par->width); /* Video width */
2142 avio_wb16(pb, track->height); /* Video height */
2143 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
2144 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
2145 avio_wb32(pb, 0); /* Data size (= 0) */
2146 avio_wb16(pb, 1); /* Frame count (= 1) */
2148 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
2149 find_compressor(compressor_name, 32, track);
2150 avio_w8(pb, strlen(compressor_name));
2151 avio_write(pb, compressor_name, 31);
2153 if (track->mode == MODE_MOV &&
2154 (track->par->codec_id == AV_CODEC_ID_V410 || track->par->codec_id == AV_CODEC_ID_V210))
2155 avio_wb16(pb, 0x18);
2156 else if (track->mode == MODE_MOV && track->par->bits_per_coded_sample)
2157 avio_wb16(pb, track->par->bits_per_coded_sample |
2158 (track->par->format == AV_PIX_FMT_GRAY8 ? 0x20 : 0));
2160 avio_wb16(pb, 0x18); /* Reserved */
2162 if (track->mode == MODE_MOV && track->par->format == AV_PIX_FMT_PAL8) {
2163 int pal_size = 1 << track->par->bits_per_coded_sample;
2165 avio_wb16(pb, 0); /* Color table ID */
2166 avio_wb32(pb, 0); /* Color table seed */
2167 avio_wb16(pb, 0x8000); /* Color table flags */
2168 avio_wb16(pb, pal_size - 1); /* Color table size (zero-relative) */
2169 for (i = 0; i < pal_size; i++) {
2170 uint32_t rgb = track->palette[i];
2171 uint16_t r = (rgb >> 16) & 0xff;
2172 uint16_t g = (rgb >> 8) & 0xff;
2173 uint16_t b = rgb & 0xff;
2175 avio_wb16(pb, (r << 8) | r);
2176 avio_wb16(pb, (g << 8) | g);
2177 avio_wb16(pb, (b << 8) | b);
2180 avio_wb16(pb, 0xffff); /* Reserved */
2182 if (track->tag == MKTAG('m','p','4','v'))
2183 mov_write_esds_tag(pb, track);
2184 else if (track->par->codec_id == AV_CODEC_ID_H263)
2185 mov_write_d263_tag(pb);
2186 else if (track->par->codec_id == AV_CODEC_ID_AVUI ||
2187 track->par->codec_id == AV_CODEC_ID_SVQ3) {
2188 mov_write_extradata_tag(pb, track);
2190 } else if (track->par->codec_id == AV_CODEC_ID_DNXHD) {
2191 mov_write_avid_tag(pb, track);
2193 } else if (track->par->codec_id == AV_CODEC_ID_HEVC)
2194 mov_write_hvcc_tag(pb, track);
2195 else if (track->par->codec_id == AV_CODEC_ID_H264 && !TAG_IS_AVCI(track->tag)) {
2196 mov_write_avcc_tag(pb, track);
2197 if (track->mode == MODE_IPOD)
2198 mov_write_uuid_tag_ipod(pb);
2199 } else if (track->par->codec_id == AV_CODEC_ID_VP9) {
2200 mov_write_vpcc_tag(mov->fc, pb, track);
2201 } else if (track->par->codec_id == AV_CODEC_ID_AV1) {
2202 mov_write_av1c_tag(pb, track);
2203 } else if (track->par->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
2204 mov_write_dvc1_tag(pb, track);
2205 else if (track->par->codec_id == AV_CODEC_ID_VP6F ||
2206 track->par->codec_id == AV_CODEC_ID_VP6A) {
2207 /* Don't write any potential extradata here - the cropping
2208 * is signalled via the normal width/height fields. */
2209 } else if (track->par->codec_id == AV_CODEC_ID_R10K) {
2210 if (track->par->codec_tag == MKTAG('R','1','0','k'))
2211 mov_write_dpxe_tag(pb, track);
2212 } else if (track->vos_len > 0)
2213 mov_write_glbl_tag(pb, track);
2215 if (track->par->codec_id != AV_CODEC_ID_H264 &&
2216 track->par->codec_id != AV_CODEC_ID_MPEG4 &&
2217 track->par->codec_id != AV_CODEC_ID_DNXHD) {
2218 int field_order = track->par->field_order;
2220 #if FF_API_LAVF_AVCTX
2221 FF_DISABLE_DEPRECATION_WARNINGS
2222 if (field_order != track->st->codec->field_order && track->st->codec->field_order != AV_FIELD_UNKNOWN)
2223 field_order = track->st->codec->field_order;
2224 FF_ENABLE_DEPRECATION_WARNINGS
2227 if (field_order != AV_FIELD_UNKNOWN)
2228 mov_write_fiel_tag(pb, track, field_order);
2231 if (mov->flags & FF_MOV_FLAG_WRITE_GAMA) {
2232 if (track->mode == MODE_MOV)
2233 mov_write_gama_tag(s, pb, track, mov->gamma);
2235 av_log(mov->fc, AV_LOG_WARNING, "Not writing 'gama' atom. Format is not MOV.\n");
2237 if (track->mode == MODE_MOV || track->mode == MODE_MP4) {
2238 int has_color_info = track->par->color_primaries != AVCOL_PRI_UNSPECIFIED &&
2239 track->par->color_trc != AVCOL_TRC_UNSPECIFIED &&
2240 track->par->color_space != AVCOL_SPC_UNSPECIFIED;
2241 if (has_color_info || mov->flags & FF_MOV_FLAG_WRITE_COLR ||
2242 av_stream_get_side_data(track->st, AV_PKT_DATA_ICC_PROFILE, NULL)) {
2243 int prefer_icc = mov->flags & FF_MOV_FLAG_PREFER_ICC || !has_color_info;
2244 mov_write_colr_tag(pb, track, prefer_icc);
2245 } else if (mov->flags & FF_MOV_FLAG_WRITE_COLR) {
2246 av_log(mov->fc, AV_LOG_WARNING, "Not writing 'colr' atom. Format is not MOV or MP4.\n");
2249 if (track->mode == MODE_MOV || track->mode == MODE_MP4) {
2250 mov_write_clli_tag(pb, track);
2251 mov_write_mdcv_tag(pb, track);
2254 if (track->mode == MODE_MP4 && mov->fc->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
2255 AVStereo3D* stereo_3d = (AVStereo3D*) av_stream_get_side_data(track->st, AV_PKT_DATA_STEREO3D, NULL);
2256 AVSphericalMapping* spherical_mapping = (AVSphericalMapping*)av_stream_get_side_data(track->st, AV_PKT_DATA_SPHERICAL, NULL);
2257 AVDOVIDecoderConfigurationRecord *dovi = (AVDOVIDecoderConfigurationRecord *)
2258 av_stream_get_side_data(track->st, AV_PKT_DATA_DOVI_CONF, NULL);;
2261 mov_write_st3d_tag(s, pb, stereo_3d);
2262 if (spherical_mapping)
2263 mov_write_sv3d_tag(mov->fc, pb, spherical_mapping);
2265 mov_write_dvcc_dvvc_tag(s, pb, dovi);
2268 if (track->par->sample_aspect_ratio.den && track->par->sample_aspect_ratio.num) {
2269 mov_write_pasp_tag(pb, track);
2272 if (uncompressed_ycbcr){
2273 mov_write_clap_tag(pb, track);
2276 if (mov->encryption_scheme != MOV_ENC_NONE) {
2277 ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid);
2280 if (track->mode == MODE_MP4 &&
2281 ((ret = mov_write_btrt_tag(pb, track)) < 0))
2284 /* extra padding for avid stsd */
2285 /* https://developer.apple.com/library/mac/documentation/QuickTime/QTFF/QTFFChap2/qtff2.html#//apple_ref/doc/uid/TP40000939-CH204-61112 */
2289 return update_size(pb, pos);
2292 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
2294 int64_t pos = avio_tell(pb);
2295 avio_wb32(pb, 0); /* size */
2296 ffio_wfourcc(pb, "rtp ");
2297 avio_wb32(pb, 0); /* Reserved */
2298 avio_wb16(pb, 0); /* Reserved */
2299 avio_wb16(pb, 1); /* Data-reference index */
2301 avio_wb16(pb, 1); /* Hint track version */
2302 avio_wb16(pb, 1); /* Highest compatible version */
2303 avio_wb32(pb, track->max_packet_size); /* Max packet size */
2305 avio_wb32(pb, 12); /* size */
2306 ffio_wfourcc(pb, "tims");
2307 avio_wb32(pb, track->timescale);
2309 return update_size(pb, pos);
2312 static int mov_write_source_reference_tag(AVIOContext *pb, MOVTrack *track, const char *reel_name)
2314 uint64_t str_size =strlen(reel_name);
2315 int64_t pos = avio_tell(pb);
2317 if (str_size >= UINT16_MAX){
2318 av_log(NULL, AV_LOG_ERROR, "reel_name length %"PRIu64" is too large\n", str_size);
2320 return AVERROR(EINVAL);
2323 avio_wb32(pb, 0); /* size */
2324 ffio_wfourcc(pb, "name"); /* Data format */
2325 avio_wb16(pb, str_size); /* string size */
2326 avio_wb16(pb, track->language); /* langcode */
2327 avio_write(pb, reel_name, str_size); /* reel name */
2328 return update_size(pb,pos);
2331 static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
2333 int64_t pos = avio_tell(pb);
2337 AVDictionaryEntry *t = NULL;
2339 if (!track->st->avg_frame_rate.num || !track->st->avg_frame_rate.den) {
2340 #if FF_API_LAVF_AVCTX
2341 FF_DISABLE_DEPRECATION_WARNINGS
2342 frame_duration = av_rescale(track->timescale, track->st->codec->time_base.num, track->st->codec->time_base.den);
2343 nb_frames = ROUNDED_DIV(track->st->codec->time_base.den, track->st->codec->time_base.num);
2344 FF_ENABLE_DEPRECATION_WARNINGS
2346 av_log(NULL, AV_LOG_ERROR, "avg_frame_rate not set for tmcd track.\n");
2347 return AVERROR(EINVAL);
2350 frame_duration = av_rescale(track->timescale, track->st->avg_frame_rate.num, track->st->avg_frame_rate.den);
2351 nb_frames = ROUNDED_DIV(track->st->avg_frame_rate.den, track->st->avg_frame_rate.num);
2354 if (nb_frames > 255) {
2355 av_log(NULL, AV_LOG_ERROR, "fps %d is too large\n", nb_frames);
2356 return AVERROR(EINVAL);
2359 avio_wb32(pb, 0); /* size */
2360 ffio_wfourcc(pb, "tmcd"); /* Data format */
2361 avio_wb32(pb, 0); /* Reserved */
2362 avio_wb32(pb, 1); /* Data reference index */
2363 avio_wb32(pb, 0); /* Flags */
2364 avio_wb32(pb, track->timecode_flags); /* Flags (timecode) */
2365 avio_wb32(pb, track->timescale); /* Timescale */
2366 avio_wb32(pb, frame_duration); /* Frame duration */
2367 avio_w8(pb, nb_frames); /* Number of frames */
2368 avio_w8(pb, 0); /* Reserved */
2370 t = av_dict_get(track->st->metadata, "reel_name", NULL, 0);
2371 if (t && utf8len(t->value) && track->mode != MODE_MP4)
2372 mov_write_source_reference_tag(pb, track, t->value);
2374 avio_wb16(pb, 0); /* zero size */
2377 avio_wb32(pb, 0); /* size */
2378 ffio_wfourcc(pb, "tmcd"); /* Data format */
2379 avio_wb32(pb, 0); /* Reserved */
2380 avio_wb32(pb, 1); /* Data reference index */
2381 if (track->par->extradata_size)
2382 avio_write(pb, track->par->extradata, track->par->extradata_size);
2384 return update_size(pb, pos);
2387 static int mov_write_gpmd_tag(AVIOContext *pb, const MOVTrack *track)
2389 int64_t pos = avio_tell(pb);
2390 avio_wb32(pb, 0); /* size */
2391 ffio_wfourcc(pb, "gpmd");
2392 avio_wb32(pb, 0); /* Reserved */
2393 avio_wb16(pb, 0); /* Reserved */
2394 avio_wb16(pb, 1); /* Data-reference index */
2395 avio_wb32(pb, 0); /* Reserved */
2396 return update_size(pb, pos);
2399 static int mov_write_stsd_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2401 int64_t pos = avio_tell(pb);
2403 avio_wb32(pb, 0); /* size */
2404 ffio_wfourcc(pb, "stsd");
2405 avio_wb32(pb, 0); /* version & flags */
2406 avio_wb32(pb, 1); /* entry count */
2407 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO)
2408 ret = mov_write_video_tag(s, pb, mov, track);
2409 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2410 ret = mov_write_audio_tag(s, pb, mov, track);
2411 else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)
2412 ret = mov_write_subtitle_tag(pb, track);
2413 else if (track->par->codec_tag == MKTAG('r','t','p',' '))
2414 ret = mov_write_rtp_tag(pb, track);
2415 else if (track->par->codec_tag == MKTAG('t','m','c','d'))
2416 ret = mov_write_tmcd_tag(pb, track);
2417 else if (track->par->codec_tag == MKTAG('g','p','m','d'))
2418 ret = mov_write_gpmd_tag(pb, track);
2423 return update_size(pb, pos);
2426 static int mov_write_ctts_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
2428 MOVMuxContext *mov = s->priv_data;
2429 MOVStts *ctts_entries;
2430 uint32_t entries = 0;
2434 ctts_entries = av_malloc_array((track->entry + 1), sizeof(*ctts_entries)); /* worst case */
2436 return AVERROR(ENOMEM);
2437 ctts_entries[0].count = 1;
2438 ctts_entries[0].duration = track->cluster[0].cts;
2439 for (i = 1; i < track->entry; i++) {
2440 if (track->cluster[i].cts == ctts_entries[entries].duration) {
2441 ctts_entries[entries].count++; /* compress */
2444 ctts_entries[entries].duration = track->cluster[i].cts;
2445 ctts_entries[entries].count = 1;
2448 entries++; /* last one */
2449 atom_size = 16 + (entries * 8);
2450 avio_wb32(pb, atom_size); /* size */
2451 ffio_wfourcc(pb, "ctts");
2452 if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
2453 avio_w8(pb, 1); /* version */
2455 avio_w8(pb, 0); /* version */
2456 avio_wb24(pb, 0); /* flags */
2457 avio_wb32(pb, entries); /* entry count */
2458 for (i = 0; i < entries; i++) {
2459 avio_wb32(pb, ctts_entries[i].count);
2460 avio_wb32(pb, ctts_entries[i].duration);
2462 av_free(ctts_entries);
2466 /* Time to sample atom */
2467 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
2469 MOVStts *stts_entries = NULL;
2470 uint32_t entries = -1;
2474 if (track->par->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
2475 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
2477 return AVERROR(ENOMEM);
2478 stts_entries[0].count = track->sample_count;
2479 stts_entries[0].duration = 1;
2483 stts_entries = av_malloc_array(track->entry, sizeof(*stts_entries)); /* worst case */
2485 return AVERROR(ENOMEM);
2487 for (i = 0; i < track->entry; i++) {
2488 int duration = get_cluster_duration(track, i);
2489 if (i && duration == stts_entries[entries].duration) {
2490 stts_entries[entries].count++; /* compress */
2493 stts_entries[entries].duration = duration;
2494 stts_entries[entries].count = 1;
2497 entries++; /* last one */
2499 atom_size = 16 + (entries * 8);
2500 avio_wb32(pb, atom_size); /* size */
2501 ffio_wfourcc(pb, "stts");
2502 avio_wb32(pb, 0); /* version & flags */
2503 avio_wb32(pb, entries); /* entry count */
2504 for (i = 0; i < entries; i++) {
2505 avio_wb32(pb, stts_entries[i].count);
2506 avio_wb32(pb, stts_entries[i].duration);
2508 av_free(stts_entries);
2512 static int mov_write_dref_tag(AVIOContext *pb)
2514 avio_wb32(pb, 28); /* size */
2515 ffio_wfourcc(pb, "dref");
2516 avio_wb32(pb, 0); /* version & flags */
2517 avio_wb32(pb, 1); /* entry count */
2519 avio_wb32(pb, 0xc); /* size */
2520 //FIXME add the alis and rsrc atom
2521 ffio_wfourcc(pb, "url ");
2522 avio_wb32(pb, 1); /* version & flags */
2527 static int mov_preroll_write_stbl_atoms(AVIOContext *pb, MOVTrack *track)
2531 int16_t roll_distance;
2532 int group_description_index;
2535 struct sgpd_entry *sgpd_entries = NULL;
2540 const int OPUS_SEEK_PREROLL_MS = 80;
2541 int roll_samples = av_rescale_q(OPUS_SEEK_PREROLL_MS,
2542 (AVRational){1, 1000},
2543 (AVRational){1, 48000});
2548 sgpd_entries = av_malloc_array(track->entry, sizeof(*sgpd_entries));
2550 return AVERROR(ENOMEM);
2552 av_assert0(track->par->codec_id == AV_CODEC_ID_OPUS || track->par->codec_id == AV_CODEC_ID_AAC);
2554 if (track->par->codec_id == AV_CODEC_ID_OPUS) {
2555 for (i = 0; i < track->entry; i++) {
2556 int roll_samples_remaining = roll_samples;
2558 for (j = i - 1; j >= 0; j--) {
2559 roll_samples_remaining -= get_cluster_duration(track, j);
2561 if (roll_samples_remaining <= 0)
2564 /* We don't have enough preceeding samples to compute a valid
2565 roll_distance here, so this sample can't be independently
2567 if (roll_samples_remaining > 0)
2569 /* Verify distance is a maximum of 32 (2.5ms) packets. */
2571 return AVERROR_INVALIDDATA;
2572 if (i && distance == sgpd_entries[entries].roll_distance) {
2573 sgpd_entries[entries].count++;
2576 sgpd_entries[entries].count = 1;
2577 sgpd_entries[entries].roll_distance = distance;
2578 sgpd_entries[entries].group_description_index = distance ? ++group : 0;
2583 sgpd_entries[entries].count = track->sample_count;
2584 sgpd_entries[entries].roll_distance = 1;
2585 sgpd_entries[entries].group_description_index = ++group;
2590 av_free(sgpd_entries);
2594 /* Write sgpd tag */
2595 avio_wb32(pb, 24 + (group * 2)); /* size */
2596 ffio_wfourcc(pb, "sgpd");
2597 avio_wb32(pb, 1 << 24); /* fullbox */
2598 ffio_wfourcc(pb, "roll");
2599 avio_wb32(pb, 2); /* default_length */
2600 avio_wb32(pb, group); /* entry_count */
2601 for (i = 0; i < entries; i++) {
2602 if (sgpd_entries[i].group_description_index) {
2603 avio_wb16(pb, -sgpd_entries[i].roll_distance); /* roll_distance */
2607 /* Write sbgp tag */
2608 avio_wb32(pb, 20 + (entries * 8)); /* size */
2609 ffio_wfourcc(pb, "sbgp");
2610 avio_wb32(pb, 0); /* fullbox */
2611 ffio_wfourcc(pb, "roll");
2612 avio_wb32(pb, entries); /* entry_count */
2613 for (i = 0; i < entries; i++) {
2614 avio_wb32(pb, sgpd_entries[i].count); /* sample_count */
2615 avio_wb32(pb, sgpd_entries[i].group_description_index); /* group_description_index */
2618 av_free(sgpd_entries);
2622 static int mov_write_stbl_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2624 int64_t pos = avio_tell(pb);
2627 avio_wb32(pb, 0); /* size */
2628 ffio_wfourcc(pb, "stbl");
2629 if ((ret = mov_write_stsd_tag(s, pb, mov, track)) < 0)
2631 mov_write_stts_tag(pb, track);
2632 if ((track->par->codec_type == AVMEDIA_TYPE_VIDEO ||
2633 track->par->codec_id == AV_CODEC_ID_TRUEHD ||
2634 track->par->codec_id == AV_CODEC_ID_MPEGH_3D_AUDIO ||
2635 track->par->codec_tag == MKTAG('r','t','p',' ')) &&
2636 track->has_keyframes && track->has_keyframes < track->entry)
2637 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
2638 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO && track->has_disposable)
2639 mov_write_sdtp_tag(pb, track);
2640 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
2641 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
2642 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO &&
2643 track->flags & MOV_TRACK_CTTS && track->entry) {
2645 if ((ret = mov_write_ctts_tag(s, pb, track)) < 0)
2648 mov_write_stsc_tag(pb, track);
2649 mov_write_stsz_tag(pb, track);
2650 mov_write_stco_tag(pb, track);
2651 if (track->cenc.aes_ctr) {
2652 ff_mov_cenc_write_stbl_atoms(&track->cenc, pb);
2654 if (track->par->codec_id == AV_CODEC_ID_OPUS || track->par->codec_id == AV_CODEC_ID_AAC) {
2655 mov_preroll_write_stbl_atoms(pb, track);
2657 return update_size(pb, pos);
2660 static int mov_write_dinf_tag(AVIOContext *pb)
2662 int64_t pos = avio_tell(pb);
2663 avio_wb32(pb, 0); /* size */
2664 ffio_wfourcc(pb, "dinf");
2665 mov_write_dref_tag(pb);
2666 return update_size(pb, pos);
2669 static int mov_write_nmhd_tag(AVIOContext *pb)
2672 ffio_wfourcc(pb, "nmhd");
2677 static int mov_write_tcmi_tag(AVIOContext *pb, MOVTrack *track)
2679 int64_t pos = avio_tell(pb);
2680 const char *font = "Lucida Grande";
2681 avio_wb32(pb, 0); /* size */
2682 ffio_wfourcc(pb, "tcmi"); /* timecode media information atom */
2683 avio_wb32(pb, 0); /* version & flags */
2684 avio_wb16(pb, 0); /* text font */
2685 avio_wb16(pb, 0); /* text face */
2686 avio_wb16(pb, 12); /* text size */
2687 avio_wb16(pb, 0); /* (unknown, not in the QT specs...) */
2688 avio_wb16(pb, 0x0000); /* text color (red) */
2689 avio_wb16(pb, 0x0000); /* text color (green) */
2690 avio_wb16(pb, 0x0000); /* text color (blue) */
2691 avio_wb16(pb, 0xffff); /* background color (red) */
2692 avio_wb16(pb, 0xffff); /* background color (green) */
2693 avio_wb16(pb, 0xffff); /* background color (blue) */
2694 avio_w8(pb, strlen(font)); /* font len (part of the pascal string) */
2695 avio_write(pb, font, strlen(font)); /* font name */
2696 return update_size(pb, pos);
2699 static int mov_write_gmhd_tag(AVIOContext *pb, MOVTrack *track)
2701 int64_t pos = avio_tell(pb);
2702 avio_wb32(pb, 0); /* size */
2703 ffio_wfourcc(pb, "gmhd");
2704 avio_wb32(pb, 0x18); /* gmin size */
2705 ffio_wfourcc(pb, "gmin");/* generic media info */
2706 avio_wb32(pb, 0); /* version & flags */
2707 avio_wb16(pb, 0x40); /* graphics mode = */
2708 avio_wb16(pb, 0x8000); /* opColor (r?) */
2709 avio_wb16(pb, 0x8000); /* opColor (g?) */
2710 avio_wb16(pb, 0x8000); /* opColor (b?) */
2711 avio_wb16(pb, 0); /* balance */
2712 avio_wb16(pb, 0); /* reserved */
2715 * This special text atom is required for
2716 * Apple Quicktime chapters. The contents
2717 * don't appear to be documented, so the
2718 * bytes are copied verbatim.
2720 if (track->tag != MKTAG('c','6','0','8')) {
2721 avio_wb32(pb, 0x2C); /* size */
2722 ffio_wfourcc(pb, "text");
2723 avio_wb16(pb, 0x01);
2724 avio_wb32(pb, 0x00);
2725 avio_wb32(pb, 0x00);
2726 avio_wb32(pb, 0x00);
2727 avio_wb32(pb, 0x01);
2728 avio_wb32(pb, 0x00);
2729 avio_wb32(pb, 0x00);
2730 avio_wb32(pb, 0x00);
2731 avio_wb32(pb, 0x00004000);
2732 avio_wb16(pb, 0x0000);
2735 if (track->par->codec_tag == MKTAG('t','m','c','d')) {
2736 int64_t tmcd_pos = avio_tell(pb);
2737 avio_wb32(pb, 0); /* size */
2738 ffio_wfourcc(pb, "tmcd");
2739 mov_write_tcmi_tag(pb, track);
2740 update_size(pb, tmcd_pos);
2741 } else if (track->par->codec_tag == MKTAG('g','p','m','d')) {
2742 int64_t gpmd_pos = avio_tell(pb);
2743 avio_wb32(pb, 0); /* size */
2744 ffio_wfourcc(pb, "gpmd");
2745 avio_wb32(pb, 0); /* version */
2746 update_size(pb, gpmd_pos);
2748 return update_size(pb, pos);
2751 static int mov_write_smhd_tag(AVIOContext *pb)
2753 avio_wb32(pb, 16); /* size */
2754 ffio_wfourcc(pb, "smhd");
2755 avio_wb32(pb, 0); /* version & flags */
2756 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
2757 avio_wb16(pb, 0); /* reserved */
2761 static int mov_write_vmhd_tag(AVIOContext *pb)
2763 avio_wb32(pb, 0x14); /* size (always 0x14) */
2764 ffio_wfourcc(pb, "vmhd");
2765 avio_wb32(pb, 0x01); /* version & flags */
2766 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
2770 static int is_clcp_track(MOVTrack *track)
2772 return track->tag == MKTAG('c','7','0','8') ||
2773 track->tag == MKTAG('c','6','0','8');
2776 static int mov_write_hdlr_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
2778 MOVMuxContext *mov = s->priv_data;
2779 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
2780 int64_t pos = avio_tell(pb);
2784 descr = "DataHandler";
2787 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
2788 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
2790 descr = "VideoHandler";
2791 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
2793 descr = "SoundHandler";
2794 } else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2795 if (is_clcp_track(track)) {
2797 descr = "ClosedCaptionHandler";
2799 if (track->tag == MKTAG('t','x','3','g')) {
2801 } else if (track->tag == MKTAG('m','p','4','s')) {
2806 descr = "SubtitleHandler";
2808 } else if (track->par->codec_tag == MKTAG('r','t','p',' ')) {
2810 descr = "HintHandler";
2811 } else if (track->par->codec_tag == MKTAG('t','m','c','d')) {
2813 descr = "TimeCodeHandler";
2814 } else if (track->par->codec_tag == MKTAG('g','p','m','d')) {
2816 descr = "GoPro MET"; // GoPro Metadata
2818 av_log(s, AV_LOG_WARNING,
2819 "Unknown hldr_type for %s, writing dummy values\n",
2820 av_fourcc2str(track->par->codec_tag));
2823 // hdlr.name is used by some players to identify the content title
2824 // of the track. So if an alternate handler description is
2825 // specified, use it.
2826 AVDictionaryEntry *t;
2827 t = av_dict_get(track->st->metadata, "handler_name", NULL, 0);
2828 if (t && utf8len(t->value))
2833 if (mov->empty_hdlr_name) /* expressly allowed by QTFF and not prohibited in ISO 14496-12 8.4.3.3 */
2836 avio_wb32(pb, 0); /* size */
2837 ffio_wfourcc(pb, "hdlr");
2838 avio_wb32(pb, 0); /* Version & flags */
2839 avio_write(pb, hdlr, 4); /* handler */
2840 ffio_wfourcc(pb, hdlr_type); /* handler type */
2841 avio_wb32(pb, 0); /* reserved */
2842 avio_wb32(pb, 0); /* reserved */
2843 avio_wb32(pb, 0); /* reserved */
2844 if (!track || track->mode == MODE_MOV)
2845 avio_w8(pb, strlen(descr)); /* pascal string */
2846 avio_write(pb, descr, strlen(descr)); /* handler description */
2847 if (track && track->mode != MODE_MOV)
2848 avio_w8(pb, 0); /* c string */
2849 return update_size(pb, pos);
2852 static int mov_write_hmhd_tag(AVIOContext *pb)
2854 /* This atom must be present, but leaving the values at zero
2855 * seems harmless. */
2856 avio_wb32(pb, 28); /* size */
2857 ffio_wfourcc(pb, "hmhd");
2858 avio_wb32(pb, 0); /* version, flags */
2859 avio_wb16(pb, 0); /* maxPDUsize */
2860 avio_wb16(pb, 0); /* avgPDUsize */
2861 avio_wb32(pb, 0); /* maxbitrate */
2862 avio_wb32(pb, 0); /* avgbitrate */
2863 avio_wb32(pb, 0); /* reserved */
2867 static int mov_write_minf_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2869 int64_t pos = avio_tell(pb);
2872 avio_wb32(pb, 0); /* size */
2873 ffio_wfourcc(pb, "minf");
2874 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO)
2875 mov_write_vmhd_tag(pb);
2876 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2877 mov_write_smhd_tag(pb);
2878 else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2879 if (track->tag == MKTAG('t','e','x','t') || is_clcp_track(track)) {
2880 mov_write_gmhd_tag(pb, track);
2882 mov_write_nmhd_tag(pb);
2884 } else if (track->tag == MKTAG('r','t','p',' ')) {
2885 mov_write_hmhd_tag(pb);
2886 } else if (track->tag == MKTAG('t','m','c','d')) {
2887 if (track->mode != MODE_MOV)
2888 mov_write_nmhd_tag(pb);
2890 mov_write_gmhd_tag(pb, track);
2891 } else if (track->tag == MKTAG('g','p','m','d')) {
2892 mov_write_gmhd_tag(pb, track);
2894 if (track->mode == MODE_MOV) /* ISO 14496-12 8.4.3.1 specifies hdlr only within mdia or meta boxes */
2895 mov_write_hdlr_tag(s, pb, NULL);
2896 mov_write_dinf_tag(pb);
2897 if ((ret = mov_write_stbl_tag(s, pb, mov, track)) < 0)
2899 return update_size(pb, pos);
2902 static int64_t calc_pts_duration(MOVMuxContext *mov, MOVTrack *track)
2904 if (track->tag == MKTAG('t','m','c','d')) {
2905 // tmcd tracks gets track_duration set in mov_write_moov_tag from
2906 // another track's duration, while the end_pts may be left at zero.
2907 // Calculate the pts duration for that track instead.
2908 return av_rescale(calc_pts_duration(mov, &mov->tracks[track->src_track]),
2909 track->timescale, mov->tracks[track->src_track].timescale);
2911 if (track->end_pts != AV_NOPTS_VALUE &&
2912 track->start_dts != AV_NOPTS_VALUE &&
2913 track->start_cts != AV_NOPTS_VALUE) {
2914 return track->end_pts - (track->start_dts + track->start_cts);
2916 return track->track_duration;
2919 static int mov_write_mdhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2922 int64_t duration = calc_pts_duration(mov, track);
2923 int version = duration < INT32_MAX ? 0 : 1;
2925 if (track->mode == MODE_ISM)
2928 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
2929 ffio_wfourcc(pb, "mdhd");
2930 avio_w8(pb, version);
2931 avio_wb24(pb, 0); /* flags */
2933 avio_wb64(pb, track->time);
2934 avio_wb64(pb, track->time);
2936 avio_wb32(pb, track->time); /* creation time */
2937 avio_wb32(pb, track->time); /* modification time */
2939 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
2940 if (!track->entry && mov->mode == MODE_ISM)
2941 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2942 else if (!track->entry)
2943 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2945 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration); /* duration */
2946 avio_wb16(pb, track->language); /* language */
2947 avio_wb16(pb, 0); /* reserved (quality) */
2949 if (version != 0 && track->mode == MODE_MOV) {
2950 av_log(NULL, AV_LOG_ERROR,
2951 "FATAL error, file duration too long for timebase, this file will not be\n"
2952 "playable with QuickTime. Choose a different timebase with "
2953 "-video_track_timescale or a different container format\n");
2959 static int mov_write_mdia_tag(AVFormatContext *s, AVIOContext *pb,
2960 MOVMuxContext *mov, MOVTrack *track)
2962 int64_t pos = avio_tell(pb);
2965 avio_wb32(pb, 0); /* size */
2966 ffio_wfourcc(pb, "mdia");
2967 mov_write_mdhd_tag(pb, mov, track);
2968 mov_write_hdlr_tag(s, pb, track);
2969 if ((ret = mov_write_minf_tag(s, pb, mov, track)) < 0)
2971 return update_size(pb, pos);
2974 /* transformation matrix
2978 static void write_matrix(AVIOContext *pb, int16_t a, int16_t b, int16_t c,
2979 int16_t d, int16_t tx, int16_t ty)
2981 avio_wb32(pb, a << 16); /* 16.16 format */
2982 avio_wb32(pb, b << 16); /* 16.16 format */
2983 avio_wb32(pb, 0); /* u in 2.30 format */
2984 avio_wb32(pb, c << 16); /* 16.16 format */
2985 avio_wb32(pb, d << 16); /* 16.16 format */
2986 avio_wb32(pb, 0); /* v in 2.30 format */
2987 avio_wb32(pb, tx << 16); /* 16.16 format */
2988 avio_wb32(pb, ty << 16); /* 16.16 format */
2989 avio_wb32(pb, 1 << 30); /* w in 2.30 format */
2992 static int mov_write_tkhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2993 MOVTrack *track, AVStream *st)
2995 int64_t duration = av_rescale_rnd(calc_pts_duration(mov, track),
2996 MOV_TIMESCALE, track->timescale,
2998 int version = duration < INT32_MAX ? 0 : 1;
2999 int flags = MOV_TKHD_FLAG_IN_MOVIE;
3003 uint32_t *display_matrix = NULL;
3004 int display_matrix_size, i;
3007 if (mov->per_stream_grouping)
3010 group = st->codecpar->codec_type;
3012 display_matrix = (uint32_t*)av_stream_get_side_data(st, AV_PKT_DATA_DISPLAYMATRIX,
3013 &display_matrix_size);
3014 if (display_matrix && display_matrix_size < 9 * sizeof(*display_matrix))
3015 display_matrix = NULL;
3018 if (track->flags & MOV_TRACK_ENABLED)
3019 flags |= MOV_TKHD_FLAG_ENABLED;
3021 if (track->mode == MODE_ISM)
3024 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
3025 ffio_wfourcc(pb, "tkhd");
3026 avio_w8(pb, version);
3027 avio_wb24(pb, flags);
3029 avio_wb64(pb, track->time);
3030 avio_wb64(pb, track->time);
3032 avio_wb32(pb, track->time); /* creation time */
3033 avio_wb32(pb, track->time); /* modification time */
3035 avio_wb32(pb, track->track_id); /* track-id */
3036 avio_wb32(pb, 0); /* reserved */
3037 if (!track->entry && mov->mode == MODE_ISM)
3038 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
3039 else if (!track->entry)
3040 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
3042 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
3044 avio_wb32(pb, 0); /* reserved */
3045 avio_wb32(pb, 0); /* reserved */
3046 avio_wb16(pb, 0); /* layer */
3047 avio_wb16(pb, group); /* alternate group) */
3048 /* Volume, only for audio */
3049 if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
3050 avio_wb16(pb, 0x0100);
3053 avio_wb16(pb, 0); /* reserved */
3055 /* Matrix structure */
3056 #if FF_API_OLD_ROTATE_API
3057 if (st && st->metadata) {
3058 AVDictionaryEntry *rot = av_dict_get(st->metadata, "rotate", NULL, 0);
3059 rotation = (rot && rot->value) ? atoi(rot->value) : 0;
3062 if (display_matrix) {
3063 for (i = 0; i < 9; i++)
3064 avio_wb32(pb, display_matrix[i]);
3065 #if FF_API_OLD_ROTATE_API
3066 } else if (rotation == 90) {
3067 write_matrix(pb, 0, 1, -1, 0, track->par->height, 0);
3068 } else if (rotation == 180) {
3069 write_matrix(pb, -1, 0, 0, -1, track->par->width, track->par->height);
3070 } else if (rotation == 270) {
3071 write_matrix(pb, 0, -1, 1, 0, 0, track->par->width);
3074 write_matrix(pb, 1, 0, 0, 1, 0, 0);
3076 /* Track width and height, for visual only */
3077 if (st && (track->par->codec_type == AVMEDIA_TYPE_VIDEO ||
3078 track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
3079 int64_t track_width_1616;
3080 if (track->mode == MODE_MOV) {
3081 track_width_1616 = track->par->width * 0x10000ULL;
3083 track_width_1616 = av_rescale(st->sample_aspect_ratio.num,
3084 track->par->width * 0x10000LL,
3085 st->sample_aspect_ratio.den);
3086 if (!track_width_1616 ||
3087 track->height != track->par->height ||
3088 track_width_1616 > UINT32_MAX)
3089 track_width_1616 = track->par->width * 0x10000ULL;
3091 if (track_width_1616 > UINT32_MAX) {
3092 av_log(mov->fc, AV_LOG_WARNING, "track width is too large\n");
3093 track_width_1616 = 0;
3095 avio_wb32(pb, track_width_1616);
3096 if (track->height > 0xFFFF) {
3097 av_log(mov->fc, AV_LOG_WARNING, "track height is too large\n");
3100 avio_wb32(pb, track->height * 0x10000U);
3108 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
3110 int32_t width = av_rescale(track->par->sample_aspect_ratio.num, track->par->width,
3111 track->par->sample_aspect_ratio.den);
3113 int64_t pos = avio_tell(pb);
3115 avio_wb32(pb, 0); /* size */
3116 ffio_wfourcc(pb, "tapt");
3119 ffio_wfourcc(pb, "clef");
3121 avio_wb32(pb, width << 16);
3122 avio_wb32(pb, track->par->height << 16);
3125 ffio_wfourcc(pb, "prof");
3127 avio_wb32(pb, width << 16);
3128 avio_wb32(pb, track->par->height << 16);
3131 ffio_wfourcc(pb, "enof");
3133 avio_wb32(pb, track->par->width << 16);
3134 avio_wb32(pb, track->par->height << 16);
3136 return update_size(pb, pos);
3139 // This box seems important for the psp playback ... without it the movie seems to hang
3140 static int mov_write_edts_tag(AVIOContext *pb, MOVMuxContext *mov,
3143 int64_t duration = av_rescale_rnd(calc_pts_duration(mov, track),
3144 MOV_TIMESCALE, track->timescale,
3146 int version = duration < INT32_MAX ? 0 : 1;
3147 int entry_size, entry_count, size;
3148 int64_t delay, start_ct = track->start_cts;
3149 int64_t start_dts = track->start_dts;
3152 if (start_dts != track->cluster[0].dts || start_ct != track->cluster[0].cts) {
3154 av_log(mov->fc, AV_LOG_DEBUG,
3155 "EDTS using dts:%"PRId64" cts:%d instead of dts:%"PRId64" cts:%"PRId64" tid:%d\n",
3156 track->cluster[0].dts, track->cluster[0].cts,
3157 start_dts, start_ct, track->track_id);
3158 start_dts = track->cluster[0].dts;
3159 start_ct = track->cluster[0].cts;
3163 delay = av_rescale_rnd(start_dts + start_ct, MOV_TIMESCALE,
3164 track->timescale, AV_ROUND_DOWN);
3165 version |= delay < INT32_MAX ? 0 : 1;
3167 entry_size = (version == 1) ? 20 : 12;
3168 entry_count = 1 + (delay > 0);
3169 size = 24 + entry_count * entry_size;
3171 /* write the atom data */
3172 avio_wb32(pb, size);
3173 ffio_wfourcc(pb, "edts");
3174 avio_wb32(pb, size - 8);
3175 ffio_wfourcc(pb, "elst");
3176 avio_w8(pb, version);
3177 avio_wb24(pb, 0); /* flags */
3179 avio_wb32(pb, entry_count);
3180 if (delay > 0) { /* add an empty edit to delay presentation */
3181 /* In the positive delay case, the delay includes the cts
3182 * offset, and the second edit list entry below trims out
3183 * the same amount from the actual content. This makes sure
3184 * that the offset last sample is included in the edit
3185 * list duration as well. */
3187 avio_wb64(pb, delay);
3190 avio_wb32(pb, delay);
3193 avio_wb32(pb, 0x00010000);
3195 /* Avoid accidentally ending up with start_ct = -1 which has got a
3196 * special meaning. Normally start_ct should end up positive or zero
3197 * here, but use FFMIN in case dts is a small positive integer
3198 * rounded to 0 when represented in MOV_TIMESCALE units. */
3199 av_assert0(av_rescale_rnd(start_dts, MOV_TIMESCALE, track->timescale, AV_ROUND_DOWN) <= 0);
3200 start_ct = -FFMIN(start_dts, 0);
3201 /* Note, this delay is calculated from the pts of the first sample,
3202 * ensuring that we don't reduce the duration for cases with
3207 /* For fragmented files, we don't know the full length yet. Setting
3208 * duration to 0 allows us to only specify the offset, including
3209 * the rest of the content (from all future fragments) without specifying
3210 * an explicit duration. */
3211 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
3216 avio_wb64(pb, duration);
3217 avio_wb64(pb, start_ct);
3219 avio_wb32(pb, duration);
3220 avio_wb32(pb, start_ct);
3222 avio_wb32(pb, 0x00010000);
3226 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
3228 avio_wb32(pb, 20); // size
3229 ffio_wfourcc(pb, "tref");
3230 avio_wb32(pb, 12); // size (subatom)
3231 avio_wl32(pb, track->tref_tag);
3232 avio_wb32(pb, track->tref_id);
3236 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
3237 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
3239 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
3240 ffio_wfourcc(pb, "uuid");
3241 ffio_wfourcc(pb, "USMT");
3242 avio_wb32(pb, 0x21d24fce);
3243 avio_wb32(pb, 0xbb88695c);
3244 avio_wb32(pb, 0xfac9c740);
3245 avio_wb32(pb, 0x1c); // another size here!
3246 ffio_wfourcc(pb, "MTDT");
3247 avio_wb32(pb, 0x00010012);
3248 avio_wb32(pb, 0x0a);
3249 avio_wb32(pb, 0x55c40000);
3255 static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
3257 AVFormatContext *ctx = track->rtp_ctx;
3258 char buf[1000] = "";
3261 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
3262 NULL, NULL, 0, 0, ctx);
3263 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
3266 avio_wb32(pb, len + 24);
3267 ffio_wfourcc(pb, "udta");
3268 avio_wb32(pb, len + 16);
3269 ffio_wfourcc(pb, "hnti");
3270 avio_wb32(pb, len + 8);
3271 ffio_wfourcc(pb, "sdp ");
3272 avio_write(pb, buf, len);
3276 static int mov_write_track_metadata(AVIOContext *pb, AVStream *st,
3277 const char *tag, const char *str)
3279 int64_t pos = avio_tell(pb);
3280 AVDictionaryEntry *t = av_dict_get(st->metadata, str, NULL, 0);
3281 if (!t || !utf8len(t->value))
3284 avio_wb32(pb, 0); /* size */
3285 ffio_wfourcc(pb, tag); /* type */
3286 avio_write(pb, t->value, strlen(t->value)); /* UTF8 string value */
3287 return update_size(pb, pos);
3290 static int mov_write_track_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
3293 AVIOContext *pb_buf;
3300 ret = avio_open_dyn_buf(&pb_buf);
3304 if (mov->mode & (MODE_MP4|MODE_MOV))
3305 mov_write_track_metadata(pb_buf, st, "name", "title");
3307 if ((size = avio_get_dyn_buf(pb_buf, &buf)) > 0) {
3308 avio_wb32(pb, size + 8);
3309 ffio_wfourcc(pb, "udta");
3310 avio_write(pb, buf, size);
3312 ffio_free_dyn_buf(&pb_buf);
3317 static int mov_write_trak_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov,
3318 MOVTrack *track, AVStream *st)
3320 int64_t pos = avio_tell(pb);
3321 int entry_backup = track->entry;
3322 int chunk_backup = track->chunkCount;
3325 /* If we want to have an empty moov, but some samples already have been
3326 * buffered (delay_moov), pretend that no samples have been written yet. */
3327 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV)
3328 track->chunkCount = track->entry = 0;
3330 avio_wb32(pb, 0); /* size */
3331 ffio_wfourcc(pb, "trak");
3332 mov_write_tkhd_tag(pb, mov, track, st);
3334 av_assert2(mov->use_editlist >= 0);
3336 if (track->start_dts != AV_NOPTS_VALUE) {
3337 if (mov->use_editlist)
3338 mov_write_edts_tag(pb, mov, track); // PSP Movies and several other cases require edts box
3339 else if ((track->entry && track->cluster[0].dts) || track->mode == MODE_PSP || is_clcp_track(track))
3340 av_log(mov->fc, AV_LOG_WARNING,
3341 "Not writing any edit list even though one would have been required\n");
3344 if (track->tref_tag)
3345 mov_write_tref_tag(pb, track);
3347 if ((ret = mov_write_mdia_tag(s, pb, mov, track)) < 0)
3349 if (track->mode == MODE_PSP)
3350 mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box
3351 if (track->tag == MKTAG('r','t','p',' '))
3352 mov_write_udta_sdp(pb, track);
3353 if (track->mode == MODE_MOV) {
3354 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
3355 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
3356 if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio) {
3357 mov_write_tapt_tag(pb, track);
3360 if (is_clcp_track(track) && st->sample_aspect_ratio.num) {
3361 mov_write_tapt_tag(pb, track);
3364 mov_write_track_udta_tag(pb, mov, st);
3365 track->entry = entry_backup;
3366 track->chunkCount = chunk_backup;
3367 return update_size(pb, pos);
3370 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
3372 int i, has_audio = 0, has_video = 0;
3373 int64_t pos = avio_tell(pb);
3374 int audio_profile = mov->iods_audio_profile;
3375 int video_profile = mov->iods_video_profile;
3376 for (i = 0; i < mov->nb_streams; i++) {
3377 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3378 has_audio |= mov->tracks[i].par->codec_type == AVMEDIA_TYPE_AUDIO;
3379 has_video |= mov->tracks[i].par->codec_type == AVMEDIA_TYPE_VIDEO;
3382 if (audio_profile < 0)
3383 audio_profile = 0xFF - has_audio;
3384 if (video_profile < 0)
3385 video_profile = 0xFF - has_video;
3386 avio_wb32(pb, 0x0); /* size */
3387 ffio_wfourcc(pb, "iods");
3388 avio_wb32(pb, 0); /* version & flags */
3389 put_descr(pb, 0x10, 7);
3390 avio_wb16(pb, 0x004f);
3393 avio_w8(pb, audio_profile);
3394 avio_w8(pb, video_profile);
3396 return update_size(pb, pos);
3399 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
3401 avio_wb32(pb, 0x20); /* size */
3402 ffio_wfourcc(pb, "trex");
3403 avio_wb32(pb, 0); /* version & flags */
3404 avio_wb32(pb, track->track_id); /* track ID */
3405 avio_wb32(pb, 1); /* default sample description index */
3406 avio_wb32(pb, 0); /* default sample duration */
3407 avio_wb32(pb, 0); /* default sample size */
3408 avio_wb32(pb, 0); /* default sample flags */
3412 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
3414 int64_t pos = avio_tell(pb);
3416 avio_wb32(pb, 0x0); /* size */
3417 ffio_wfourcc(pb, "mvex");
3418 for (i = 0; i < mov->nb_streams; i++)
3419 mov_write_trex_tag(pb, &mov->tracks[i]);
3420 return update_size(pb, pos);
3423 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
3425 int max_track_id = 1, i;
3426 int64_t max_track_len = 0;
3429 for (i = 0; i < mov->nb_streams; i++) {
3430 if (mov->tracks[i].entry > 0 && mov->tracks[i].timescale) {
3431 int64_t max_track_len_temp = av_rescale_rnd(
3432 calc_pts_duration(mov, &mov->tracks[i]),
3434 mov->tracks[i].timescale,
3436 if (max_track_len < max_track_len_temp)
3437 max_track_len = max_track_len_temp;
3438 if (max_track_id < mov->tracks[i].track_id)
3439 max_track_id = mov->tracks[i].track_id;
3442 /* If using delay_moov, make sure the output is the same as if no
3443 * samples had been written yet. */
3444 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3449 version = max_track_len < UINT32_MAX ? 0 : 1;
3450 avio_wb32(pb, version == 1 ? 120 : 108); /* size */
3452 ffio_wfourcc(pb, "mvhd");
3453 avio_w8(pb, version);
3454 avio_wb24(pb, 0); /* flags */
3456 avio_wb64(pb, mov->time);
3457 avio_wb64(pb, mov->time);
3459 avio_wb32(pb, mov->time); /* creation time */
3460 avio_wb32(pb, mov->time); /* modification time */
3462 avio_wb32(pb, MOV_TIMESCALE);
3463 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
3465 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
3466 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
3467 avio_wb16(pb, 0); /* reserved */
3468 avio_wb32(pb, 0); /* reserved */
3469 avio_wb32(pb, 0); /* reserved */
3471 /* Matrix structure */
3472 write_matrix(pb, 1, 0, 0, 1, 0, 0);
3474 avio_wb32(pb, 0); /* reserved (preview time) */
3475 avio_wb32(pb, 0); /* reserved (preview duration) */
3476 avio_wb32(pb, 0); /* reserved (poster time) */
3477 avio_wb32(pb, 0); /* reserved (selection time) */
3478 avio_wb32(pb, 0); /* reserved (selection duration) */
3479 avio_wb32(pb, 0); /* reserved (current time) */
3480 avio_wb32(pb, max_track_id + 1); /* Next track id */
3484 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
3487 avio_wb32(pb, 33); /* size */
3488 ffio_wfourcc(pb, "hdlr");
3491 ffio_wfourcc(pb, "mdir");
3492 ffio_wfourcc(pb, "appl");
3499 /* helper function to write a data tag with the specified string as data */
3500 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
3503 int size = 16 + strlen(data);
3504 avio_wb32(pb, size); /* size */
3505 ffio_wfourcc(pb, "data");
3508 avio_write(pb, data, strlen(data));
3512 lang = ff_mov_iso639_to_lang("und", 1);
3513 avio_wb16(pb, strlen(data)); /* string length */
3514 avio_wb16(pb, lang);
3515 avio_write(pb, data, strlen(data));
3516 return strlen(data) + 4;
3520 static int mov_write_string_tag(AVIOContext *pb, const char *name,
3521 const char *value, int lang, int long_style)
3524 if (value && value[0]) {
3525 int64_t pos = avio_tell(pb);
3526 avio_wb32(pb, 0); /* size */
3527 ffio_wfourcc(pb, name);
3528 mov_write_string_data_tag(pb, value, lang, long_style);
3529 size = update_size(pb, pos);
3534 static AVDictionaryEntry *get_metadata_lang(AVFormatContext *s,
3535 const char *tag, int *lang)
3538 AVDictionaryEntry *t, *t2 = NULL;
3543 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
3546 len = strlen(t->key);
3547 snprintf(tag2, sizeof(tag2), "%s-", tag);
3548 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
3549 len2 = strlen(t2->key);
3550 if (len2 == len + 4 && !strcmp(t->value, t2->value)
3551 && (l = ff_mov_iso639_to_lang(&t2->key[len2 - 3], 1)) >= 0) {
3559 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
3560 const char *name, const char *tag,
3564 AVDictionaryEntry *t = get_metadata_lang(s, tag, &lang);
3567 return mov_write_string_tag(pb, name, t->value, lang, long_style);
3570 /* iTunes bpm number */
3571 static int mov_write_tmpo_tag(AVIOContext *pb, AVFormatContext *s)
3573 AVDictionaryEntry *t = av_dict_get(s->metadata, "tmpo", NULL, 0);
3574 int size = 0, tmpo = t ? atoi(t->value) : 0;
3577 avio_wb32(pb, size);
3578 ffio_wfourcc(pb, "tmpo");
3579 avio_wb32(pb, size-8); /* size */
3580 ffio_wfourcc(pb, "data");
3581 avio_wb32(pb, 0x15); //type specifier
3583 avio_wb16(pb, tmpo); // data
3588 /* 3GPP TS 26.244 */
3589 static int mov_write_loci_tag(AVFormatContext *s, AVIOContext *pb)
3592 int64_t pos = avio_tell(pb);
3593 double latitude, longitude, altitude;
3594 int32_t latitude_fix, longitude_fix, altitude_fix;
3595 AVDictionaryEntry *t = get_metadata_lang(s, "location", &lang);
3596 const char *ptr, *place = "";
3598 static const char *astronomical_body = "earth";
3603 longitude = strtod(ptr, &end);
3605 av_log(s, AV_LOG_WARNING, "malformed location metadata\n");
3609 latitude = strtod(ptr, &end);
3611 av_log(s, AV_LOG_WARNING, "malformed location metadata\n");
3615 altitude = strtod(ptr, &end);
3616 /* If no altitude was present, the default 0 should be fine */
3620 latitude_fix = (int32_t) ((1 << 16) * latitude);
3621 longitude_fix = (int32_t) ((1 << 16) * longitude);
3622 altitude_fix = (int32_t) ((1 << 16) * altitude);
3624 avio_wb32(pb, 0); /* size */
3625 ffio_wfourcc(pb, "loci"); /* type */
3626 avio_wb32(pb, 0); /* version + flags */
3627 avio_wb16(pb, lang);
3628 avio_write(pb, place, strlen(place) + 1);
3629 avio_w8(pb, 0); /* role of place (0 == shooting location, 1 == real location, 2 == fictional location) */
3630 avio_wb32(pb, latitude_fix);
3631 avio_wb32(pb, longitude_fix);
3632 avio_wb32(pb, altitude_fix);
3633 avio_write(pb, astronomical_body, strlen(astronomical_body) + 1);
3634 avio_w8(pb, 0); /* additional notes, null terminated string */
3636 return update_size(pb, pos);
3639 /* iTunes track or disc number */
3640 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
3641 AVFormatContext *s, int disc)
3643 AVDictionaryEntry *t = av_dict_get(s->metadata,
3644 disc ? "disc" : "track",
3646 int size = 0, track = t ? atoi(t->value) : 0;
3649 char *slash = strchr(t->value, '/');
3651 tracks = atoi(slash + 1);
3652 avio_wb32(pb, 32); /* size */
3653 ffio_wfourcc(pb, disc ? "disk" : "trkn");
3654 avio_wb32(pb, 24); /* size */
3655 ffio_wfourcc(pb, "data");
3656 avio_wb32(pb, 0); // 8 bytes empty
3658 avio_wb16(pb, 0); // empty
3659 avio_wb16(pb, track); // track / disc number
3660 avio_wb16(pb, tracks); // total track / disc number
3661 avio_wb16(pb, 0); // empty
3667 static int mov_write_int8_metadata(AVFormatContext *s, AVIOContext *pb,
3668 const char *name, const char *tag,
3671 AVDictionaryEntry *t = NULL;
3673 int size = 24 + len;
3675 if (len != 1 && len != 4)
3678 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
3680 num = atoi(t->value);
3682 avio_wb32(pb, size);
3683 ffio_wfourcc(pb, name);
3684 avio_wb32(pb, size - 8);
3685 ffio_wfourcc(pb, "data");
3686 avio_wb32(pb, 0x15);
3688 if (len==4) avio_wb32(pb, num);
3689 else avio_w8 (pb, num);
3694 static int mov_write_covr(AVIOContext *pb, AVFormatContext *s)
3696 MOVMuxContext *mov = s->priv_data;
3700 for (i = 0; i < s->nb_streams; i++) {
3701 MOVTrack *trk = &mov->tracks[i];
3703 if (!is_cover_image(trk->st) || trk->cover_image.size <= 0)
3707 pos = avio_tell(pb);
3709 ffio_wfourcc(pb, "covr");
3711 avio_wb32(pb, 16 + trk->cover_image.size);
3712 ffio_wfourcc(pb, "data");
3713 avio_wb32(pb, trk->tag);
3715 avio_write(pb, trk->cover_image.data, trk->cover_image.size);
3718 return pos ? update_size(pb, pos) : 0;
3721 /* iTunes meta data list */
3722 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
3725 int64_t pos = avio_tell(pb);
3726 avio_wb32(pb, 0); /* size */
3727 ffio_wfourcc(pb, "ilst");
3728 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
3729 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
3730 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
3731 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
3732 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
3733 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
3734 if (!mov_write_string_metadata(s, pb, "\251too", "encoding_tool", 1)) {
3735 if (!(s->flags & AVFMT_FLAG_BITEXACT))
3736 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
3738 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
3739 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
3740 mov_write_string_metadata(s, pb, "cprt", "copyright", 1);
3741 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
3742 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
3743 mov_write_string_metadata(s, pb, "desc", "description",1);
3744 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
3745 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
3746 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
3747 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
3748 mov_write_string_metadata(s, pb, "keyw", "keywords" , 1);
3749 mov_write_int8_metadata (s, pb, "tves", "episode_sort",4);
3750 mov_write_int8_metadata (s, pb, "tvsn", "season_number",4);
3751 mov_write_int8_metadata (s, pb, "stik", "media_type",1);
3752 mov_write_int8_metadata (s, pb, "hdvd", "hd_video", 1);
3753 mov_write_int8_metadata (s, pb, "pgap", "gapless_playback",1);
3754 mov_write_int8_metadata (s, pb, "cpil", "compilation", 1);
3755 mov_write_covr(pb, s);
3756 mov_write_trkn_tag(pb, mov, s, 0); // track number
3757 mov_write_trkn_tag(pb, mov, s, 1); // disc number
3758 mov_write_tmpo_tag(pb, s);
3759 return update_size(pb, pos);
3762 static int mov_write_mdta_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
3765 avio_wb32(pb, 33); /* size */
3766 ffio_wfourcc(pb, "hdlr");
3769 ffio_wfourcc(pb, "mdta");
3777 static int mov_write_mdta_keys_tag(AVIOContext *pb, MOVMuxContext *mov,
3780 AVDictionaryEntry *t = NULL;
3781 int64_t pos = avio_tell(pb);
3782 int64_t curpos, entry_pos;
3785 avio_wb32(pb, 0); /* size */
3786 ffio_wfourcc(pb, "keys");
3788 entry_pos = avio_tell(pb);
3789 avio_wb32(pb, 0); /* entry count */
3791 while (t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX)) {
3792 avio_wb32(pb, strlen(t->key) + 8);
3793 ffio_wfourcc(pb, "mdta");
3794 avio_write(pb, t->key, strlen(t->key));
3797 curpos = avio_tell(pb);
3798 avio_seek(pb, entry_pos, SEEK_SET);
3799 avio_wb32(pb, count); // rewrite entry count
3800 avio_seek(pb, curpos, SEEK_SET);
3802 return update_size(pb, pos);
3805 static int mov_write_mdta_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
3808 AVDictionaryEntry *t = NULL;
3809 int64_t pos = avio_tell(pb);
3810 int count = 1; /* keys are 1-index based */
3812 avio_wb32(pb, 0); /* size */
3813 ffio_wfourcc(pb, "ilst");
3815 while (t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX)) {
3816 int64_t entry_pos = avio_tell(pb);
3817 avio_wb32(pb, 0); /* size */
3818 avio_wb32(pb, count); /* key */
3819 mov_write_string_data_tag(pb, t->value, 0, 1);
3820 update_size(pb, entry_pos);
3823 return update_size(pb, pos);
3826 /* meta data tags */
3827 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
3831 int64_t pos = avio_tell(pb);
3832 avio_wb32(pb, 0); /* size */
3833 ffio_wfourcc(pb, "meta");
3835 if (mov->flags & FF_MOV_FLAG_USE_MDTA) {
3836 mov_write_mdta_hdlr_tag(pb, mov, s);
3837 mov_write_mdta_keys_tag(pb, mov, s);
3838 mov_write_mdta_ilst_tag(pb, mov, s);
3841 /* iTunes metadata tag */
3842 mov_write_itunes_hdlr_tag(pb, mov, s);
3843 mov_write_ilst_tag(pb, mov, s);
3845 size = update_size(pb, pos);
3849 static int mov_write_raw_metadata_tag(AVFormatContext *s, AVIOContext *pb,
3850 const char *name, const char *key)
3853 AVDictionaryEntry *t;
3855 if (!(t = av_dict_get(s->metadata, key, NULL, 0)))
3858 len = strlen(t->value);
3861 avio_wb32(pb, size);
3862 ffio_wfourcc(pb, name);
3863 avio_write(pb, t->value, len);
3869 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
3873 GET_UTF8(val, *b++, return -1;)
3876 avio_wb16(pb, 0x00);
3880 static uint16_t language_code(const char *str)
3882 return (((str[0] - 0x60) & 0x1F) << 10) +
3883 (((str[1] - 0x60) & 0x1F) << 5) +
3884 (( str[2] - 0x60) & 0x1F);
3887 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
3888 const char *tag, const char *str)
3890 int64_t pos = avio_tell(pb);
3891 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
3892 if (!t || !utf8len(t->value))
3894 avio_wb32(pb, 0); /* size */
3895 ffio_wfourcc(pb, tag); /* type */
3896 avio_wb32(pb, 0); /* version + flags */
3897 if (!strcmp(tag, "yrrc"))
3898 avio_wb16(pb, atoi(t->value));
3900 avio_wb16(pb, language_code("eng")); /* language */
3901 avio_write(pb, t->value, strlen(t->value) + 1); /* UTF8 string value */
3902 if (!strcmp(tag, "albm") &&
3903 (t = av_dict_get(s->metadata, "track", NULL, 0)))
3904 avio_w8(pb, atoi(t->value));
3906 return update_size(pb, pos);
3909 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
3911 int64_t pos = avio_tell(pb);
3912 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
3914 avio_wb32(pb, 0); // size
3915 ffio_wfourcc(pb, "chpl");
3916 avio_wb32(pb, 0x01000000); // version + flags
3917 avio_wb32(pb, 0); // unknown
3918 avio_w8(pb, nb_chapters);
3920 for (i = 0; i < nb_chapters; i++) {
3921 AVChapter *c = s->chapters[i];
3922 AVDictionaryEntry *t;
3923 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
3925 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3926 int len = FFMIN(strlen(t->value), 255);
3928 avio_write(pb, t->value, len);
3932 return update_size(pb, pos);
3935 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
3938 AVIOContext *pb_buf;
3942 ret = avio_open_dyn_buf(&pb_buf);
3946 if (mov->mode & MODE_3GP) {
3947 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
3948 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
3949 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
3950 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
3951 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
3952 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
3953 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
3954 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
3955 mov_write_loci_tag(s, pb_buf);
3956 } 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
3957 mov_write_string_metadata(s, pb_buf, "\251ART", "artist", 0);
3958 mov_write_string_metadata(s, pb_buf, "\251nam", "title", 0);
3959 mov_write_string_metadata(s, pb_buf, "\251aut", "author", 0);
3960 mov_write_string_metadata(s, pb_buf, "\251alb", "album", 0);
3961 mov_write_string_metadata(s, pb_buf, "\251day", "date", 0);
3962 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder", 0);
3963 // currently ignored by mov.c
3964 mov_write_string_metadata(s, pb_buf, "\251des", "comment", 0);
3965 // add support for libquicktime, this atom is also actually read by mov.c
3966 mov_write_string_metadata(s, pb_buf, "\251cmt", "comment", 0);
3967 mov_write_string_metadata(s, pb_buf, "\251gen", "genre", 0);
3968 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright", 0);
3969 mov_write_string_metadata(s, pb_buf, "\251mak", "make", 0);
3970 mov_write_string_metadata(s, pb_buf, "\251mod", "model", 0);
3971 mov_write_string_metadata(s, pb_buf, "\251xyz", "location", 0);
3972 mov_write_string_metadata(s, pb_buf, "\251key", "keywords", 0);
3973 mov_write_raw_metadata_tag(s, pb_buf, "XMP_", "xmp");
3975 /* iTunes meta data */
3976 mov_write_meta_tag(pb_buf, mov, s);
3977 mov_write_loci_tag(s, pb_buf);
3980 if (s->nb_chapters && !(mov->flags & FF_MOV_FLAG_DISABLE_CHPL))
3981 mov_write_chpl_tag(pb_buf, s);
3983 if ((size = avio_get_dyn_buf(pb_buf, &buf)) > 0) {
3984 avio_wb32(pb, size + 8);
3985 ffio_wfourcc(pb, "udta");
3986 avio_write(pb, buf, size);
3988 ffio_free_dyn_buf(&pb_buf);
3993 static void mov_write_psp_udta_tag(AVIOContext *pb,
3994 const char *str, const char *lang, int type)
3996 int len = utf8len(str) + 1;
3999 avio_wb16(pb, len * 2 + 10); /* size */
4000 avio_wb32(pb, type); /* type */
4001 avio_wb16(pb, language_code(lang)); /* language */
4002 avio_wb16(pb, 0x01); /* ? */
4003 ascii_to_wc(pb, str);
4006 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
4008 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
4012 pos = avio_tell(pb);
4013 avio_wb32(pb, 0); /* size placeholder*/
4014 ffio_wfourcc(pb, "uuid");
4015 ffio_wfourcc(pb, "USMT");
4016 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
4017 avio_wb32(pb, 0xbb88695c);
4018 avio_wb32(pb, 0xfac9c740);
4020 pos2 = avio_tell(pb);
4021 avio_wb32(pb, 0); /* size placeholder*/
4022 ffio_wfourcc(pb, "MTDT");
4026 avio_wb16(pb, 0x0C); /* size */
4027 avio_wb32(pb, 0x0B); /* type */
4028 avio_wb16(pb, language_code("und")); /* language */
4029 avio_wb16(pb, 0x0); /* ? */
4030 avio_wb16(pb, 0x021C); /* data */
4032 if (!(s->flags & AVFMT_FLAG_BITEXACT))
4033 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
4034 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
4035 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
4037 update_size(pb, pos2);
4038 return update_size(pb, pos);
4044 static void build_chunks(MOVTrack *trk)
4047 MOVIentry *chunk = &trk->cluster[0];
4048 uint64_t chunkSize = chunk->size;
4049 chunk->chunkNum = 1;
4050 if (trk->chunkCount)
4052 trk->chunkCount = 1;
4053 for (i = 1; i<trk->entry; i++){
4054 if (chunk->pos + chunkSize == trk->cluster[i].pos &&
4055 chunkSize + trk->cluster[i].size < (1<<20)){
4056 chunkSize += trk->cluster[i].size;
4057 chunk->samples_in_chunk += trk->cluster[i].entries;
4059 trk->cluster[i].chunkNum = chunk->chunkNum+1;
4060 chunk=&trk->cluster[i];
4061 chunkSize = chunk->size;
4068 * Assign track ids. If option "use_stream_ids_as_track_ids" is set,
4069 * the stream ids are used as track ids.
4071 * This assumes mov->tracks and s->streams are in the same order and
4072 * there are no gaps in either of them (so mov->tracks[n] refers to
4075 * As an exception, there can be more entries in
4076 * s->streams than in mov->tracks, in which case new track ids are
4077 * generated (starting after the largest found stream id).
4079 static int mov_setup_track_ids(MOVMuxContext *mov, AVFormatContext *s)
4083 if (mov->track_ids_ok)
4086 if (mov->use_stream_ids_as_track_ids) {
4087 int next_generated_track_id = 0;
4088 for (i = 0; i < s->nb_streams; i++) {
4089 if (s->streams[i]->id > next_generated_track_id)
4090 next_generated_track_id = s->streams[i]->id;
4093 for (i = 0; i < mov->nb_streams; i++) {
4094 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
4097 mov->tracks[i].track_id = i >= s->nb_streams ? ++next_generated_track_id : s->streams[i]->id;
4100 for (i = 0; i < mov->nb_streams; i++) {
4101 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
4104 mov->tracks[i].track_id = i + 1;
4108 mov->track_ids_ok = 1;
4113 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
4117 int64_t pos = avio_tell(pb);
4118 avio_wb32(pb, 0); /* size placeholder*/
4119 ffio_wfourcc(pb, "moov");
4121 mov_setup_track_ids(mov, s);
4123 for (i = 0; i < mov->nb_streams; i++) {
4124 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
4127 mov->tracks[i].time = mov->time;
4129 if (mov->tracks[i].entry)
4130 build_chunks(&mov->tracks[i]);
4133 if (mov->chapter_track)
4134 for (i = 0; i < s->nb_streams; i++) {
4135 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
4136 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
4138 for (i = 0; i < mov->nb_streams; i++) {
4139 MOVTrack *track = &mov->tracks[i];
4140 if (track->tag == MKTAG('r','t','p',' ')) {
4141 track->tref_tag = MKTAG('h','i','n','t');
4142 track->tref_id = mov->tracks[track->src_track].track_id;
4143 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
4144 int * fallback, size;
4145 fallback = (int*)av_stream_get_side_data(track->st,
4146 AV_PKT_DATA_FALLBACK_TRACK,
4148 if (fallback != NULL && size == sizeof(int)) {
4149 if (*fallback >= 0 && *fallback < mov->nb_streams) {
4150 track->tref_tag = MKTAG('f','a','l','l');
4151 track->tref_id = mov->tracks[*fallback].track_id;
4156 for (i = 0; i < mov->nb_streams; i++) {
4157 if (mov->tracks[i].tag == MKTAG('t','m','c','d')) {
4158 int src_trk = mov->tracks[i].src_track;
4159 mov->tracks[src_trk].tref_tag = mov->tracks[i].tag;
4160 mov->tracks[src_trk].tref_id = mov->tracks[i].track_id;
4161 //src_trk may have a different timescale than the tmcd track
4162 mov->tracks[i].track_duration = av_rescale(mov->tracks[src_trk].track_duration,
4163 mov->tracks[i].timescale,
4164 mov->tracks[src_trk].timescale);
4168 mov_write_mvhd_tag(pb, mov);
4169 if (mov->mode != MODE_MOV && !mov->iods_skip)
4170 mov_write_iods_tag(pb, mov);
4171 for (i = 0; i < mov->nb_streams; i++) {
4172 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
4173 int ret = mov_write_trak_tag(s, pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
4178 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
4179 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
4181 if (mov->mode == MODE_PSP)
4182 mov_write_uuidusmt_tag(pb, s);
4184 mov_write_udta_tag(pb, mov, s);
4186 return update_size(pb, pos);
4189 static void param_write_int(AVIOContext *pb, const char *name, int value)
4191 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
4194 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
4196 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
4199 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
4202 len = FFMIN(sizeof(buf) / 2 - 1, len);
4203 ff_data_to_hex(buf, value, len, 0);
4204 buf[2 * len] = '\0';
4205 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
4208 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov, AVFormatContext *s)
4210 int64_t pos = avio_tell(pb);
4212 int64_t manifest_bit_rate = 0;
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 if (track->par->bit_rate) {
4256 manifest_bit_rate = track->par->bit_rate;
4258 manifest_bit_rate = bit_rates.max_bit_rate;
4261 avio_printf(pb, "<%s systemBitrate=\"%"PRId64"\">\n", type,
4263 param_write_int(pb, "systemBitrate", manifest_bit_rate);
4264 param_write_int(pb, "trackID", track_id);
4265 param_write_string(pb, "systemLanguage", lang ? lang->value : "und");
4267 /* Build track name piece by piece: */
4269 av_strlcat(track_name_buf, type, sizeof(track_name_buf));
4270 /* 2. track language, if available */
4272 av_strlcatf(track_name_buf, sizeof(track_name_buf),
4273 "_%s", lang->value);
4274 /* 3. special type suffix */
4275 /* "_cc" = closed captions, "_ad" = audio_description */
4276 if (st->disposition & AV_DISPOSITION_HEARING_IMPAIRED)
4277 av_strlcat(track_name_buf, "_cc", sizeof(track_name_buf));
4278 else if (st->disposition & AV_DISPOSITION_VISUAL_IMPAIRED)
4279 av_strlcat(track_name_buf, "_ad", sizeof(track_name_buf));
4281 param_write_string(pb, "trackName", track_name_buf);
4283 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
4284 if (track->par->codec_id == AV_CODEC_ID_H264) {
4286 int size = track->par->extradata_size;
4287 if (!ff_avc_write_annexb_extradata(track->par->extradata, &ptr,
4289 param_write_hex(pb, "CodecPrivateData",
4290 ptr ? ptr : track->par->extradata,
4294 param_write_string(pb, "FourCC", "H264");
4295 } else if (track->par->codec_id == AV_CODEC_ID_VC1) {
4296 param_write_string(pb, "FourCC", "WVC1");
4297 param_write_hex(pb, "CodecPrivateData", track->par->extradata,
4298 track->par->extradata_size);
4300 param_write_int(pb, "MaxWidth", track->par->width);
4301 param_write_int(pb, "MaxHeight", track->par->height);
4302 param_write_int(pb, "DisplayWidth", track->par->width);
4303 param_write_int(pb, "DisplayHeight", track->par->height);
4305 if (track->par->codec_id == AV_CODEC_ID_AAC) {
4306 switch (track->par->profile)
4308 case FF_PROFILE_AAC_HE_V2:
4309 param_write_string(pb, "FourCC", "AACP");
4311 case FF_PROFILE_AAC_HE:
4312 param_write_string(pb, "FourCC", "AACH");
4315 param_write_string(pb, "FourCC", "AACL");
4317 } else if (track->par->codec_id == AV_CODEC_ID_WMAPRO) {
4318 param_write_string(pb, "FourCC", "WMAP");
4320 param_write_hex(pb, "CodecPrivateData", track->par->extradata,
4321 track->par->extradata_size);
4322 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
4323 track->par->codec_id));
4324 param_write_int(pb, "Channels", track->par->channels);
4325 param_write_int(pb, "SamplingRate", track->par->sample_rate);
4326 param_write_int(pb, "BitsPerSample", 16);
4327 param_write_int(pb, "PacketSize", track->par->block_align ?
4328 track->par->block_align : 4);
4330 avio_printf(pb, "</%s>\n", type);
4332 avio_printf(pb, "</switch>\n");
4333 avio_printf(pb, "</body>\n");
4334 avio_printf(pb, "</smil>\n");
4336 return update_size(pb, pos);
4339 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
4342 ffio_wfourcc(pb, "mfhd");
4344 avio_wb32(pb, mov->fragments);
4348 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
4350 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
4351 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
4354 static int mov_write_tfhd_tag(AVIOContext *pb, MOVMuxContext *mov,
4355 MOVTrack *track, int64_t moof_offset)
4357 int64_t pos = avio_tell(pb);
4358 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
4359 MOV_TFHD_BASE_DATA_OFFSET;
4360 if (!track->entry) {
4361 flags |= MOV_TFHD_DURATION_IS_EMPTY;
4363 flags |= MOV_TFHD_DEFAULT_FLAGS;
4365 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET)
4366 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
4367 if (mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) {
4368 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
4369 flags |= MOV_TFHD_DEFAULT_BASE_IS_MOOF;
4371 /* CMAF requires all values to be explicit in tfhd atoms */
4372 if (mov->flags & FF_MOV_FLAG_CMAF)
4373 flags |= MOV_TFHD_STSD_ID;
4375 /* Don't set a default sample size, the silverlight player refuses
4376 * to play files with that set. Don't set a default sample duration,
4377 * WMP freaks out if it is set. Don't set a base data offset, PIFF
4378 * file format says it MUST NOT be set. */
4379 if (track->mode == MODE_ISM)
4380 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
4381 MOV_TFHD_BASE_DATA_OFFSET | MOV_TFHD_STSD_ID);
4383 avio_wb32(pb, 0); /* size placeholder */
4384 ffio_wfourcc(pb, "tfhd");
4385 avio_w8(pb, 0); /* version */
4386 avio_wb24(pb, flags);
4388 avio_wb32(pb, track->track_id); /* track-id */
4389 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
4390 avio_wb64(pb, moof_offset);
4391 if (flags & MOV_TFHD_STSD_ID) {
4394 if (flags & MOV_TFHD_DEFAULT_DURATION) {
4395 track->default_duration = get_cluster_duration(track, 0);
4396 avio_wb32(pb, track->default_duration);
4398 if (flags & MOV_TFHD_DEFAULT_SIZE) {
4399 track->default_size = track->entry ? track->cluster[0].size : 1;
4400 avio_wb32(pb, track->default_size);
4402 track->default_size = -1;
4404 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
4405 /* Set the default flags based on the second sample, if available.
4406 * If the first sample is different, that can be signaled via a separate field. */
4407 if (track->entry > 1)
4408 track->default_sample_flags = get_sample_flags(track, &track->cluster[1]);
4410 track->default_sample_flags =
4411 track->par->codec_type == AVMEDIA_TYPE_VIDEO ?
4412 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
4413 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
4414 avio_wb32(pb, track->default_sample_flags);
4417 return update_size(pb, pos);
4420 static int mov_write_trun_tag(AVIOContext *pb, MOVMuxContext *mov,
4421 MOVTrack *track, int moof_size,
4424 int64_t pos = avio_tell(pb);
4425 uint32_t flags = MOV_TRUN_DATA_OFFSET;
4428 for (i = first; i < end; i++) {
4429 if (get_cluster_duration(track, i) != track->default_duration)
4430 flags |= MOV_TRUN_SAMPLE_DURATION;
4431 if (track->cluster[i].size != track->default_size)
4432 flags |= MOV_TRUN_SAMPLE_SIZE;
4433 if (i > first && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
4434 flags |= MOV_TRUN_SAMPLE_FLAGS;
4436 if (!(flags & MOV_TRUN_SAMPLE_FLAGS) && track->entry > 0 &&
4437 get_sample_flags(track, &track->cluster[0]) != track->default_sample_flags)
4438 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
4439 if (track->flags & MOV_TRACK_CTTS)
4440 flags |= MOV_TRUN_SAMPLE_CTS;
4442 avio_wb32(pb, 0); /* size placeholder */
4443 ffio_wfourcc(pb, "trun");
4444 if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4445 avio_w8(pb, 1); /* version */
4447 avio_w8(pb, 0); /* version */
4448 avio_wb24(pb, flags);
4450 avio_wb32(pb, end - first); /* sample count */
4451 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
4452 !(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) &&
4454 avio_wb32(pb, 0); /* Later tracks follow immediately after the previous one */
4456 avio_wb32(pb, moof_size + 8 + track->data_offset +
4457 track->cluster[first].pos); /* data offset */
4458 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
4459 avio_wb32(pb, get_sample_flags(track, &track->cluster[first]));
4461 for (i = first; i < end; i++) {
4462 if (flags & MOV_TRUN_SAMPLE_DURATION)
4463 avio_wb32(pb, get_cluster_duration(track, i));
4464 if (flags & MOV_TRUN_SAMPLE_SIZE)
4465 avio_wb32(pb, track->cluster[i].size);
4466 if (flags & MOV_TRUN_SAMPLE_FLAGS)
4467 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
4468 if (flags & MOV_TRUN_SAMPLE_CTS)
4469 avio_wb32(pb, track->cluster[i].cts);
4472 mov->first_trun = 0;
4473 return update_size(pb, pos);
4476 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
4478 int64_t pos = avio_tell(pb);
4479 static const uint8_t uuid[] = {
4480 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
4481 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
4484 avio_wb32(pb, 0); /* size placeholder */
4485 ffio_wfourcc(pb, "uuid");
4486 avio_write(pb, uuid, sizeof(uuid));
4489 avio_wb64(pb, track->start_dts + track->frag_start +
4490 track->cluster[0].cts);
4491 avio_wb64(pb, track->end_pts -
4492 (track->cluster[0].dts + track->cluster[0].cts));
4494 return update_size(pb, pos);
4497 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
4498 MOVTrack *track, int entry)
4500 int n = track->nb_frag_info - 1 - entry, i;
4501 int size = 8 + 16 + 4 + 1 + 16*n;
4502 static const uint8_t uuid[] = {
4503 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
4504 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
4510 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
4511 avio_wb32(pb, size);
4512 ffio_wfourcc(pb, "uuid");
4513 avio_write(pb, uuid, sizeof(uuid));
4517 for (i = 0; i < n; i++) {
4518 int index = entry + 1 + i;
4519 avio_wb64(pb, track->frag_info[index].time);
4520 avio_wb64(pb, track->frag_info[index].duration);
4522 if (n < mov->ism_lookahead) {
4523 int free_size = 16 * (mov->ism_lookahead - n);
4524 avio_wb32(pb, free_size);
4525 ffio_wfourcc(pb, "free");
4526 ffio_fill(pb, 0, free_size - 8);
4532 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
4535 int64_t pos = avio_tell(pb);
4537 for (i = 0; i < mov->ism_lookahead; i++) {
4538 /* Update the tfrf tag for the last ism_lookahead fragments,
4539 * nb_frag_info - 1 is the next fragment to be written. */
4540 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
4542 avio_seek(pb, pos, SEEK_SET);
4546 static int mov_add_tfra_entries(AVIOContext *pb, MOVMuxContext *mov, int tracks,
4550 for (i = 0; i < mov->nb_streams; i++) {
4551 MOVTrack *track = &mov->tracks[i];
4552 MOVFragmentInfo *info;
4553 if ((tracks >= 0 && i != tracks) || !track->entry)
4555 track->nb_frag_info++;
4556 if (track->nb_frag_info >= track->frag_info_capacity) {
4557 unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT;
4558 if (av_reallocp_array(&track->frag_info,
4560 sizeof(*track->frag_info)))
4561 return AVERROR(ENOMEM);
4562 track->frag_info_capacity = new_capacity;
4564 info = &track->frag_info[track->nb_frag_info - 1];
4565 info->offset = avio_tell(pb);
4567 // Try to recreate the original pts for the first packet
4568 // from the fields we have stored
4569 info->time = track->start_dts + track->frag_start +
4570 track->cluster[0].cts;
4571 info->duration = track->end_pts -
4572 (track->cluster[0].dts + track->cluster[0].cts);
4573 // If the pts is less than zero, we will have trimmed
4574 // away parts of the media track using an edit list,
4575 // and the corresponding start presentation time is zero.
4576 if (info->time < 0) {
4577 info->duration += info->time;
4580 info->tfrf_offset = 0;
4581 mov_write_tfrf_tags(pb, mov, track);
4586 static void mov_prune_frag_info(MOVMuxContext *mov, int tracks, int max)
4589 for (i = 0; i < mov->nb_streams; i++) {
4590 MOVTrack *track = &mov->tracks[i];
4591 if ((tracks >= 0 && i != tracks) || !track->entry)
4593 if (track->nb_frag_info > max) {
4594 memmove(track->frag_info, track->frag_info + (track->nb_frag_info - max), max * sizeof(*track->frag_info));
4595 track->nb_frag_info = max;
4600 static int mov_write_tfdt_tag(AVIOContext *pb, MOVTrack *track)
4602 int64_t pos = avio_tell(pb);
4604 avio_wb32(pb, 0); /* size */
4605 ffio_wfourcc(pb, "tfdt");
4606 avio_w8(pb, 1); /* version */
4608 avio_wb64(pb, track->frag_start);
4609 return update_size(pb, pos);
4612 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
4613 MOVTrack *track, int64_t moof_offset,
4616 int64_t pos = avio_tell(pb);
4618 avio_wb32(pb, 0); /* size placeholder */
4619 ffio_wfourcc(pb, "traf");
4621 mov_write_tfhd_tag(pb, mov, track, moof_offset);
4622 if (mov->mode != MODE_ISM)
4623 mov_write_tfdt_tag(pb, track);
4624 for (i = 1; i < track->entry; i++) {
4625 if (track->cluster[i].pos != track->cluster[i - 1].pos + track->cluster[i - 1].size) {
4626 mov_write_trun_tag(pb, mov, track, moof_size, start, i);
4630 mov_write_trun_tag(pb, mov, track, moof_size, start, track->entry);
4631 if (mov->mode == MODE_ISM) {
4632 mov_write_tfxd_tag(pb, track);
4634 if (mov->ism_lookahead) {
4635 int i, size = 16 + 4 + 1 + 16 * mov->ism_lookahead;
4637 if (track->nb_frag_info > 0) {
4638 MOVFragmentInfo *info = &track->frag_info[track->nb_frag_info - 1];
4639 if (!info->tfrf_offset)
4640 info->tfrf_offset = avio_tell(pb);
4642 avio_wb32(pb, 8 + size);
4643 ffio_wfourcc(pb, "free");
4644 for (i = 0; i < size; i++)
4649 return update_size(pb, pos);
4652 static int mov_write_moof_tag_internal(AVIOContext *pb, MOVMuxContext *mov,
4653 int tracks, int moof_size)
4655 int64_t pos = avio_tell(pb);
4658 avio_wb32(pb, 0); /* size placeholder */
4659 ffio_wfourcc(pb, "moof");
4660 mov->first_trun = 1;
4662 mov_write_mfhd_tag(pb, mov);
4663 for (i = 0; i < mov->nb_streams; i++) {
4664 MOVTrack *track = &mov->tracks[i];
4665 if (tracks >= 0 && i != tracks)
4669 mov_write_traf_tag(pb, mov, track, pos, moof_size);
4672 return update_size(pb, pos);
4675 static int mov_write_sidx_tag(AVIOContext *pb,
4676 MOVTrack *track, int ref_size, int total_sidx_size)
4678 int64_t pos = avio_tell(pb), offset_pos, end_pos;
4679 int64_t presentation_time, duration, offset;
4680 unsigned starts_with_SAP;
4685 presentation_time = track->start_dts + track->frag_start +
4686 track->cluster[0].cts;
4687 duration = track->end_pts -
4688 (track->cluster[0].dts + track->cluster[0].cts);
4689 starts_with_SAP = track->cluster[0].flags & MOV_SYNC_SAMPLE;
4691 // pts<0 should be cut away using edts
4692 if (presentation_time < 0) {
4693 duration += presentation_time;
4694 presentation_time = 0;
4697 entries = track->nb_frag_info;
4700 presentation_time = track->frag_info[0].time;
4703 avio_wb32(pb, 0); /* size */
4704 ffio_wfourcc(pb, "sidx");
4705 avio_w8(pb, 1); /* version */
4707 avio_wb32(pb, track->track_id); /* reference_ID */
4708 avio_wb32(pb, track->timescale); /* timescale */
4709 avio_wb64(pb, presentation_time); /* earliest_presentation_time */
4710 offset_pos = avio_tell(pb);
4711 avio_wb64(pb, 0); /* first_offset (offset to referenced moof) */
4712 avio_wb16(pb, 0); /* reserved */
4714 avio_wb16(pb, entries); /* reference_count */
4715 for (i = 0; i < entries; i++) {
4716 if (!track->entry) {
4717 if (i > 1 && track->frag_info[i].offset != track->frag_info[i - 1].offset + track->frag_info[i - 1].size) {
4718 av_log(NULL, AV_LOG_ERROR, "Non-consecutive fragments, writing incorrect sidx\n");
4720 duration = track->frag_info[i].duration;
4721 ref_size = track->frag_info[i].size;
4722 starts_with_SAP = 1;
4724 avio_wb32(pb, (0 << 31) | (ref_size & 0x7fffffff)); /* reference_type (0 = media) | referenced_size */
4725 avio_wb32(pb, duration); /* subsegment_duration */
4726 avio_wb32(pb, (starts_with_SAP << 31) | (0 << 28) | 0); /* starts_with_SAP | SAP_type | SAP_delta_time */
4729 end_pos = avio_tell(pb);
4730 offset = pos + total_sidx_size - end_pos;
4731 avio_seek(pb, offset_pos, SEEK_SET);
4732 avio_wb64(pb, offset);
4733 avio_seek(pb, end_pos, SEEK_SET);
4734 return update_size(pb, pos);
4737 static int mov_write_sidx_tags(AVIOContext *pb, MOVMuxContext *mov,
4738 int tracks, int ref_size)
4741 AVIOContext *avio_buf;
4743 for (round = 0; round < 2; round++) {
4744 // First run one round to calculate the total size of all
4746 // This would be much simpler if we'd only write one sidx
4747 // atom, for the first track in the moof.
4749 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
4754 for (i = 0; i < mov->nb_streams; i++) {
4755 MOVTrack *track = &mov->tracks[i];
4756 if (tracks >= 0 && i != tracks)
4758 // When writing a sidx for the full file, entry is 0, but
4759 // we want to include all tracks. ref_size is 0 in this case,
4760 // since we read it from frag_info instead.
4761 if (!track->entry && ref_size > 0)
4763 total_size -= mov_write_sidx_tag(avio_buf, track, ref_size,
4767 total_size = ffio_close_null_buf(avio_buf);
4772 static int mov_write_prft_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
4774 int64_t pos = avio_tell(pb), pts_us, ntp_ts;
4775 MOVTrack *first_track;
4778 /* PRFT should be associated with at most one track. So, choosing only the
4782 first_track = &(mov->tracks[0]);
4784 if (!first_track->entry) {
4785 av_log(mov->fc, AV_LOG_WARNING, "Unable to write PRFT, no entries in the track\n");
4789 if (first_track->cluster[0].pts == AV_NOPTS_VALUE) {
4790 av_log(mov->fc, AV_LOG_WARNING, "Unable to write PRFT, first PTS is invalid\n");
4794 if (mov->write_prft == MOV_PRFT_SRC_WALLCLOCK) {
4795 if (first_track->cluster[0].prft.wallclock) {
4796 /* Round the NTP time to whole milliseconds. */
4797 ntp_ts = ff_get_formatted_ntp_time((first_track->cluster[0].prft.wallclock / 1000) * 1000 +
4799 flags = first_track->cluster[0].prft.flags;
4801 ntp_ts = ff_get_formatted_ntp_time(ff_ntp_time());
4802 } else if (mov->write_prft == MOV_PRFT_SRC_PTS) {
4803 pts_us = av_rescale_q(first_track->cluster[0].pts,
4804 first_track->st->time_base, AV_TIME_BASE_Q);
4805 ntp_ts = ff_get_formatted_ntp_time(pts_us + NTP_OFFSET_US);
4807 av_log(mov->fc, AV_LOG_WARNING, "Unsupported PRFT box configuration: %d\n",
4812 avio_wb32(pb, 0); // Size place holder
4813 ffio_wfourcc(pb, "prft"); // Type
4814 avio_w8(pb, 1); // Version
4815 avio_wb24(pb, flags); // Flags
4816 avio_wb32(pb, first_track->track_id); // reference track ID
4817 avio_wb64(pb, ntp_ts); // NTP time stamp
4818 avio_wb64(pb, first_track->cluster[0].pts); //media time
4819 return update_size(pb, pos);
4822 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks,
4825 AVIOContext *avio_buf;
4828 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
4830 mov_write_moof_tag_internal(avio_buf, mov, tracks, 0);
4831 moof_size = ffio_close_null_buf(avio_buf);
4833 if (mov->flags & FF_MOV_FLAG_DASH &&
4834 !(mov->flags & (FF_MOV_FLAG_GLOBAL_SIDX | FF_MOV_FLAG_SKIP_SIDX)))
4835 mov_write_sidx_tags(pb, mov, tracks, moof_size + 8 + mdat_size);
4837 if (mov->write_prft > MOV_PRFT_NONE && mov->write_prft < MOV_PRFT_NB)
4838 mov_write_prft_tag(pb, mov, tracks);
4840 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX ||
4841 !(mov->flags & FF_MOV_FLAG_SKIP_TRAILER) ||
4842 mov->ism_lookahead) {
4843 if ((ret = mov_add_tfra_entries(pb, mov, tracks, moof_size + 8 + mdat_size)) < 0)
4845 if (!(mov->flags & FF_MOV_FLAG_GLOBAL_SIDX) &&
4846 mov->flags & FF_MOV_FLAG_SKIP_TRAILER) {
4847 mov_prune_frag_info(mov, tracks, mov->ism_lookahead + 1);
4851 return mov_write_moof_tag_internal(pb, mov, tracks, moof_size);
4854 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
4856 int64_t pos = avio_tell(pb);
4859 avio_wb32(pb, 0); /* size placeholder */
4860 ffio_wfourcc(pb, "tfra");
4861 avio_w8(pb, 1); /* version */
4864 avio_wb32(pb, track->track_id);
4865 avio_wb32(pb, 0); /* length of traf/trun/sample num */
4866 avio_wb32(pb, track->nb_frag_info);
4867 for (i = 0; i < track->nb_frag_info; i++) {
4868 avio_wb64(pb, track->frag_info[i].time);
4869 avio_wb64(pb, track->frag_info[i].offset + track->data_offset);
4870 avio_w8(pb, 1); /* traf number */
4871 avio_w8(pb, 1); /* trun number */
4872 avio_w8(pb, 1); /* sample number */
4875 return update_size(pb, pos);
4878 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
4880 AVIOContext *mfra_pb;
4884 ret = avio_open_dyn_buf(&mfra_pb);
4888 avio_wb32(mfra_pb, 0); /* size placeholder */
4889 ffio_wfourcc(mfra_pb, "mfra");
4890 /* An empty mfra atom is enough to indicate to the publishing point that
4891 * the stream has ended. */
4892 if (mov->flags & FF_MOV_FLAG_ISML)
4895 for (i = 0; i < mov->nb_streams; i++) {
4896 MOVTrack *track = &mov->tracks[i];
4897 if (track->nb_frag_info)
4898 mov_write_tfra_tag(mfra_pb, track);
4901 avio_wb32(mfra_pb, 16);
4902 ffio_wfourcc(mfra_pb, "mfro");
4903 avio_wb32(mfra_pb, 0); /* version + flags */
4904 avio_wb32(mfra_pb, avio_tell(mfra_pb) + 4);
4908 sz = update_size(mfra_pb, 0);
4909 ret = avio_get_dyn_buf(mfra_pb, &buf);
4910 avio_write(pb, buf, ret);
4911 ffio_free_dyn_buf(&mfra_pb);
4916 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
4918 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
4919 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
4921 mov->mdat_pos = avio_tell(pb);
4922 avio_wb32(pb, 0); /* size placeholder*/
4923 ffio_wfourcc(pb, "mdat");
4927 static void mov_write_ftyp_tag_internal(AVIOContext *pb, AVFormatContext *s,
4928 int has_h264, int has_video, int write_minor)
4930 MOVMuxContext *mov = s->priv_data;
4933 if (mov->major_brand && strlen(mov->major_brand) >= 4)
4934 ffio_wfourcc(pb, mov->major_brand);
4935 else if (mov->mode == MODE_3GP) {
4936 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
4937 minor = has_h264 ? 0x100 : 0x200;
4938 } else if (mov->mode & MODE_3G2) {
4939 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
4940 minor = has_h264 ? 0x20000 : 0x10000;
4941 } else if (mov->mode == MODE_PSP)
4942 ffio_wfourcc(pb, "MSNV");
4943 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_FRAGMENT &&
4944 mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4945 ffio_wfourcc(pb, "iso6"); // Required when using signed CTS offsets in trun boxes
4946 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
4947 ffio_wfourcc(pb, "iso5"); // Required when using default-base-is-moof
4948 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4949 ffio_wfourcc(pb, "iso4");
4950 else if (mov->mode == MODE_MP4)
4951 ffio_wfourcc(pb, "isom");
4952 else if (mov->mode == MODE_IPOD)
4953 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
4954 else if (mov->mode == MODE_ISM)
4955 ffio_wfourcc(pb, "isml");
4956 else if (mov->mode == MODE_F4V)
4957 ffio_wfourcc(pb, "f4v ");
4959 ffio_wfourcc(pb, "qt ");
4962 avio_wb32(pb, minor);
4965 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
4967 MOVMuxContext *mov = s->priv_data;
4968 int64_t pos = avio_tell(pb);
4969 int has_h264 = 0, has_av1 = 0, has_video = 0;
4972 for (i = 0; i < s->nb_streams; i++) {
4973 AVStream *st = s->streams[i];
4974 if (is_cover_image(st))
4976 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
4978 if (st->codecpar->codec_id == AV_CODEC_ID_H264)
4980 if (st->codecpar->codec_id == AV_CODEC_ID_AV1)
4984 avio_wb32(pb, 0); /* size */
4985 ffio_wfourcc(pb, "ftyp");
4987 // Write major brand
4988 mov_write_ftyp_tag_internal(pb, s, has_h264, has_video, 1);
4989 // Write the major brand as the first compatible brand as well
4990 mov_write_ftyp_tag_internal(pb, s, has_h264, has_video, 0);
4992 // Write compatible brands, ensuring that we don't write the major brand as a
4993 // compatible brand a second time.
4994 if (mov->mode == MODE_ISM) {
4995 ffio_wfourcc(pb, "piff");
4996 } else if (mov->mode != MODE_MOV) {
4997 // We add tfdt atoms when fragmenting, signal this with the iso6 compatible
4998 // brand, if not already the major brand. This is compatible with users that
4999 // don't understand tfdt.
5000 if (mov->mode == MODE_MP4) {
5001 if (mov->flags & FF_MOV_FLAG_CMAF)
5002 ffio_wfourcc(pb, "cmfc");
5003 if (mov->flags & FF_MOV_FLAG_FRAGMENT && !(mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS))
5004 ffio_wfourcc(pb, "iso6");
5006 ffio_wfourcc(pb, "av01");
5008 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
5009 ffio_wfourcc(pb, "iso6");
5010 if (mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
5011 ffio_wfourcc(pb, "iso5");
5012 else if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
5013 ffio_wfourcc(pb, "iso4");
5015 // Brands prior to iso5 can't be signaled when using default-base-is-moof
5016 if (!(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)) {
5017 // write isom for mp4 only if it it's not the major brand already.
5018 if (mov->mode != MODE_MP4 || mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
5019 ffio_wfourcc(pb, "isom");
5020 ffio_wfourcc(pb, "iso2");
5022 ffio_wfourcc(pb, "avc1");
5026 if (mov->mode == MODE_MP4)
5027 ffio_wfourcc(pb, "mp41");
5029 if (mov->flags & FF_MOV_FLAG_DASH && mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
5030 ffio_wfourcc(pb, "dash");
5032 return update_size(pb, pos);
5035 static int mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
5037 AVStream *video_st = s->streams[0];
5038 AVCodecParameters *video_par = s->streams[0]->codecpar;
5039 AVCodecParameters *audio_par = s->streams[1]->codecpar;
5040 int audio_rate = audio_par->sample_rate;
5041 int64_t frame_rate = video_st->avg_frame_rate.den ?
5042 (video_st->avg_frame_rate.num * 0x10000LL) / video_st->avg_frame_rate.den :
5044 int audio_kbitrate = audio_par->bit_rate / 1000;
5045 int video_kbitrate = FFMIN(video_par->bit_rate / 1000, 800 - audio_kbitrate);
5047 if (frame_rate < 0 || frame_rate > INT32_MAX) {
5048 av_log(s, AV_LOG_ERROR, "Frame rate %f outside supported range\n", frame_rate / (double)0x10000);
5049 return AVERROR(EINVAL);
5052 avio_wb32(pb, 0x94); /* size */
5053 ffio_wfourcc(pb, "uuid");
5054 ffio_wfourcc(pb, "PROF");
5056 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
5057 avio_wb32(pb, 0xbb88695c);
5058 avio_wb32(pb, 0xfac9c740);
5060 avio_wb32(pb, 0x0); /* ? */
5061 avio_wb32(pb, 0x3); /* 3 sections ? */
5063 avio_wb32(pb, 0x14); /* size */
5064 ffio_wfourcc(pb, "FPRF");
5065 avio_wb32(pb, 0x0); /* ? */
5066 avio_wb32(pb, 0x0); /* ? */
5067 avio_wb32(pb, 0x0); /* ? */
5069 avio_wb32(pb, 0x2c); /* size */
5070 ffio_wfourcc(pb, "APRF"); /* audio */
5072 avio_wb32(pb, 0x2); /* TrackID */
5073 ffio_wfourcc(pb, "mp4a");
5074 avio_wb32(pb, 0x20f);
5076 avio_wb32(pb, audio_kbitrate);
5077 avio_wb32(pb, audio_kbitrate);
5078 avio_wb32(pb, audio_rate);
5079 avio_wb32(pb, audio_par->channels);
5081 avio_wb32(pb, 0x34); /* size */
5082 ffio_wfourcc(pb, "VPRF"); /* video */
5084 avio_wb32(pb, 0x1); /* TrackID */
5085 if (video_par->codec_id == AV_CODEC_ID_H264) {
5086 ffio_wfourcc(pb, "avc1");
5087 avio_wb16(pb, 0x014D);
5088 avio_wb16(pb, 0x0015);
5090 ffio_wfourcc(pb, "mp4v");
5091 avio_wb16(pb, 0x0000);
5092 avio_wb16(pb, 0x0103);
5095 avio_wb32(pb, video_kbitrate);
5096 avio_wb32(pb, video_kbitrate);
5097 avio_wb32(pb, frame_rate);
5098 avio_wb32(pb, frame_rate);
5099 avio_wb16(pb, video_par->width);
5100 avio_wb16(pb, video_par->height);
5101 avio_wb32(pb, 0x010001); /* ? */
5106 static int mov_write_identification(AVIOContext *pb, AVFormatContext *s)
5108 MOVMuxContext *mov = s->priv_data;
5111 mov_write_ftyp_tag(pb,s);
5112 if (mov->mode == MODE_PSP) {
5113 int video_streams_nb = 0, audio_streams_nb = 0, other_streams_nb = 0;
5114 for (i = 0; i < s->nb_streams; i++) {
5115 AVStream *st = s->streams[i];
5116 if (is_cover_image(st))
5118 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
5120 else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
5126 if (video_streams_nb != 1 || audio_streams_nb != 1 || other_streams_nb) {
5127 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
5128 return AVERROR(EINVAL);
5130 return mov_write_uuidprof_tag(pb, s);
5135 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
5138 int i, closed_gop = 0;
5140 for (i = 0; i < pkt->size - 4; i++) {
5141 c = (c << 8) + pkt->data[i];
5142 if (c == 0x1b8) { // gop
5143 closed_gop = pkt->data[i + 4] >> 6 & 0x01;
5144 } else if (c == 0x100) { // pic
5145 int temp_ref = (pkt->data[i + 1] << 2) | (pkt->data[i + 2] >> 6);
5146 if (!temp_ref || closed_gop) // I picture is not reordered
5147 *flags = MOV_SYNC_SAMPLE;
5149 *flags = MOV_PARTIAL_SYNC_SAMPLE;
5156 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk)
5158 const uint8_t *start, *next, *end = pkt->data + pkt->size;
5159 int seq = 0, entry = 0;
5160 int key = pkt->flags & AV_PKT_FLAG_KEY;
5161 start = find_next_marker(pkt->data, end);
5162 for (next = start; next < end; start = next) {
5163 next = find_next_marker(start + 4, end);
5164 switch (AV_RB32(start)) {
5165 case VC1_CODE_SEQHDR:
5168 case VC1_CODE_ENTRYPOINT:
5171 case VC1_CODE_SLICE:
5172 trk->vc1_info.slices = 1;
5176 if (!trk->entry && trk->vc1_info.first_packet_seen)
5177 trk->vc1_info.first_frag_written = 1;
5178 if (!trk->entry && !trk->vc1_info.first_frag_written) {
5179 /* First packet in first fragment */
5180 trk->vc1_info.first_packet_seq = seq;
5181 trk->vc1_info.first_packet_entry = entry;
5182 trk->vc1_info.first_packet_seen = 1;
5183 } else if ((seq && !trk->vc1_info.packet_seq) ||
5184 (entry && !trk->vc1_info.packet_entry)) {
5186 for (i = 0; i < trk->entry; i++)
5187 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
5188 trk->has_keyframes = 0;
5190 trk->vc1_info.packet_seq = 1;
5192 trk->vc1_info.packet_entry = 1;
5193 if (!trk->vc1_info.first_frag_written) {
5194 /* First fragment */
5195 if ((!seq || trk->vc1_info.first_packet_seq) &&
5196 (!entry || trk->vc1_info.first_packet_entry)) {
5197 /* First packet had the same headers as this one, readd the
5198 * sync sample flag. */
5199 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
5200 trk->has_keyframes = 1;
5204 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
5206 else if (trk->vc1_info.packet_seq)
5208 else if (trk->vc1_info.packet_entry)
5211 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
5212 trk->has_keyframes++;
5216 static void mov_parse_truehd_frame(AVPacket *pkt, MOVTrack *trk)
5223 length = (AV_RB16(pkt->data) & 0xFFF) * 2;
5224 if (length < 8 || length > pkt->size)
5227 if (AV_RB32(pkt->data + 4) == 0xF8726FBA) {
5228 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
5229 trk->has_keyframes++;
5235 static int mov_flush_fragment_interleaving(AVFormatContext *s, MOVTrack *track)
5237 MOVMuxContext *mov = s->priv_data;
5242 if (!track->mdat_buf)
5244 if (!mov->mdat_buf) {
5245 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
5248 buf_size = avio_get_dyn_buf(track->mdat_buf, &buf);
5250 offset = avio_tell(mov->mdat_buf);
5251 avio_write(mov->mdat_buf, buf, buf_size);
5252 ffio_free_dyn_buf(&track->mdat_buf);
5254 for (i = track->entries_flushed; i < track->entry; i++)
5255 track->cluster[i].pos += offset;
5256 track->entries_flushed = track->entry;
5260 static int mov_flush_fragment(AVFormatContext *s, int force)
5262 MOVMuxContext *mov = s->priv_data;
5263 int i, first_track = -1;
5264 int64_t mdat_size = 0;
5266 int has_video = 0, starts_with_key = 0, first_video_track = 1;
5268 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
5271 // Try to fill in the duration of the last packet in each stream
5272 // from queued packets in the interleave queues. If the flushing
5273 // of fragments was triggered automatically by an AVPacket, we
5274 // already have reliable info for the end of that track, but other
5275 // tracks may need to be filled in.
5276 for (i = 0; i < s->nb_streams; i++) {
5277 MOVTrack *track = &mov->tracks[i];
5278 if (!track->end_reliable) {
5280 if (!ff_interleaved_peek(s, i, &pkt, 1)) {
5281 if (track->dts_shift != AV_NOPTS_VALUE)
5282 pkt.dts += track->dts_shift;
5283 track->track_duration = pkt.dts - track->start_dts;
5284 if (pkt.pts != AV_NOPTS_VALUE)
5285 track->end_pts = pkt.pts;
5287 track->end_pts = pkt.dts;
5292 for (i = 0; i < mov->nb_streams; i++) {
5293 MOVTrack *track = &mov->tracks[i];
5294 if (track->entry <= 1)
5296 // Sample durations are calculated as the diff of dts values,
5297 // but for the last sample in a fragment, we don't know the dts
5298 // of the first sample in the next fragment, so we have to rely
5299 // on what was set as duration in the AVPacket. Not all callers
5300 // set this though, so we might want to replace it with an
5301 // estimate if it currently is zero.
5302 if (get_cluster_duration(track, track->entry - 1) != 0)
5304 // Use the duration (i.e. dts diff) of the second last sample for
5305 // the last one. This is a wild guess (and fatal if it turns out
5306 // to be too long), but probably the best we can do - having a zero
5307 // duration is bad as well.
5308 track->track_duration += get_cluster_duration(track, track->entry - 2);
5309 track->end_pts += get_cluster_duration(track, track->entry - 2);
5310 if (!mov->missing_duration_warned) {
5311 av_log(s, AV_LOG_WARNING,
5312 "Estimating the duration of the last packet in a "
5313 "fragment, consider setting the duration field in "
5314 "AVPacket instead.\n");
5315 mov->missing_duration_warned = 1;
5319 if (!mov->moov_written) {
5320 int64_t pos = avio_tell(s->pb);
5322 int buf_size, moov_size;
5324 for (i = 0; i < mov->nb_streams; i++)
5325 if (!mov->tracks[i].entry && !is_cover_image(mov->tracks[i].st))
5327 /* Don't write the initial moov unless all tracks have data */
5328 if (i < mov->nb_streams && !force)
5331 moov_size = get_moov_size(s);
5332 for (i = 0; i < mov->nb_streams; i++)
5333 mov->tracks[i].data_offset = pos + moov_size + 8;
5335 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_HEADER);
5336 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
5337 mov_write_identification(s->pb, s);
5338 if ((ret = mov_write_moov_tag(s->pb, mov, s)) < 0)
5341 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV) {
5342 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
5343 mov->reserved_header_pos = avio_tell(s->pb);
5344 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
5345 mov->moov_written = 1;
5349 buf_size = avio_get_dyn_buf(mov->mdat_buf, &buf);
5350 avio_wb32(s->pb, buf_size + 8);
5351 ffio_wfourcc(s->pb, "mdat");
5352 avio_write(s->pb, buf, buf_size);
5353 ffio_free_dyn_buf(&mov->mdat_buf);
5355 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
5356 mov->reserved_header_pos = avio_tell(s->pb);
5358 mov->moov_written = 1;
5360 for (i = 0; i < mov->nb_streams; i++) {
5361 if (mov->tracks[i].entry)
5362 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
5363 mov->tracks[i].track_duration -
5364 mov->tracks[i].cluster[0].dts;
5365 mov->tracks[i].entry = 0;
5366 mov->tracks[i].end_reliable = 0;
5368 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
5372 if (mov->frag_interleave) {
5373 for (i = 0; i < mov->nb_streams; i++) {
5374 MOVTrack *track = &mov->tracks[i];
5376 if ((ret = mov_flush_fragment_interleaving(s, track)) < 0)
5382 mdat_size = avio_tell(mov->mdat_buf);
5385 for (i = 0; i < mov->nb_streams; i++) {
5386 MOVTrack *track = &mov->tracks[i];
5387 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF || mov->frag_interleave)
5388 track->data_offset = 0;
5390 track->data_offset = mdat_size;
5391 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
5393 if (first_video_track) {
5395 starts_with_key = track->cluster[0].flags & MOV_SYNC_SAMPLE;
5396 first_video_track = 0;
5401 if (track->mdat_buf)
5402 mdat_size += avio_tell(track->mdat_buf);
5403 if (first_track < 0)
5410 avio_write_marker(s->pb,
5411 av_rescale(mov->tracks[first_track].cluster[0].dts, AV_TIME_BASE, mov->tracks[first_track].timescale),
5412 (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);
5414 for (i = 0; i < mov->nb_streams; i++) {
5415 MOVTrack *track = &mov->tracks[i];
5416 int buf_size, write_moof = 1, moof_tracks = -1;
5418 int64_t duration = 0;
5421 duration = track->start_dts + track->track_duration -
5422 track->cluster[0].dts;
5423 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
5424 if (!track->mdat_buf)
5426 mdat_size = avio_tell(track->mdat_buf);
5429 write_moof = i == first_track;
5433 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
5435 mov_write_moof_tag(s->pb, mov, moof_tracks, mdat_size);
5438 avio_wb32(s->pb, mdat_size + 8);
5439 ffio_wfourcc(s->pb, "mdat");
5443 track->frag_start += duration;
5445 track->entries_flushed = 0;
5446 track->end_reliable = 0;
5447 if (!mov->frag_interleave) {
5448 if (!track->mdat_buf)
5450 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
5451 track->mdat_buf = NULL;
5455 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
5456 mov->mdat_buf = NULL;
5459 avio_write(s->pb, buf, buf_size);
5465 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
5469 static int mov_auto_flush_fragment(AVFormatContext *s, int force)
5471 MOVMuxContext *mov = s->priv_data;
5472 int had_moov = mov->moov_written;
5473 int ret = mov_flush_fragment(s, force);
5476 // If using delay_moov, the first flush only wrote the moov,
5477 // not the actual moof+mdat pair, thus flush once again.
5478 if (!had_moov && mov->flags & FF_MOV_FLAG_DELAY_MOOV)
5479 ret = mov_flush_fragment(s, force);
5483 static int check_pkt(AVFormatContext *s, AVPacket *pkt)
5485 MOVMuxContext *mov = s->priv_data;
5486 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5491 ref = trk->cluster[trk->entry - 1].dts;
5492 } else if ( trk->start_dts != AV_NOPTS_VALUE
5493 && !trk->frag_discont) {
5494 ref = trk->start_dts + trk->track_duration;
5496 ref = pkt->dts; // Skip tests for the first packet
5498 if (trk->dts_shift != AV_NOPTS_VALUE) {
5499 /* With negative CTS offsets we have set an offset to the DTS,
5500 * reverse this for the check. */
5501 ref -= trk->dts_shift;
5504 duration = pkt->dts - ref;
5505 if (pkt->dts < ref || duration >= INT_MAX) {
5506 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" / timestamp: %"PRId64" is out of range for mov/mp4 format\n",
5511 pkt->pts = AV_NOPTS_VALUE;
5514 if (pkt->duration < 0 || pkt->duration > INT_MAX) {
5515 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" is invalid\n", pkt->duration);
5516 return AVERROR(EINVAL);
5521 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
5523 MOVMuxContext *mov = s->priv_data;
5524 AVIOContext *pb = s->pb;
5525 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5526 AVCodecParameters *par = trk->par;
5527 AVProducerReferenceTime *prft;
5528 unsigned int samples_in_chunk = 0;
5529 int size = pkt->size, ret = 0, offset = 0;
5531 uint8_t *reformatted_data = NULL;
5533 ret = check_pkt(s, pkt);
5537 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
5539 if (mov->moov_written || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
5540 if (mov->frag_interleave && mov->fragments > 0) {
5541 if (trk->entry - trk->entries_flushed >= mov->frag_interleave) {
5542 if ((ret = mov_flush_fragment_interleaving(s, trk)) < 0)
5547 if (!trk->mdat_buf) {
5548 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
5553 if (!mov->mdat_buf) {
5554 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
5561 if (par->codec_id == AV_CODEC_ID_AMR_NB) {
5562 /* We must find out how many AMR blocks there are in one packet */
5563 static const uint16_t packed_size[16] =
5564 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
5567 while (len < size && samples_in_chunk < 100) {
5568 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
5571 if (samples_in_chunk > 1) {
5572 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
5575 } else if (par->codec_id == AV_CODEC_ID_ADPCM_MS ||
5576 par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
5577 samples_in_chunk = trk->par->frame_size;
5578 } else if (trk->sample_size)
5579 samples_in_chunk = size / trk->sample_size;
5581 samples_in_chunk = 1;
5583 if (samples_in_chunk < 1) {
5584 av_log(s, AV_LOG_ERROR, "fatal error, input packet contains no samples\n");
5585 return AVERROR_PATCHWELCOME;
5588 /* copy extradata if it exists */
5589 if (trk->vos_len == 0 && par->extradata_size > 0 &&
5590 !TAG_IS_AVCI(trk->tag) &&
5591 (par->codec_id != AV_CODEC_ID_DNXHD)) {
5592 trk->vos_len = par->extradata_size;
5593 trk->vos_data = av_malloc(trk->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
5594 if (!trk->vos_data) {
5595 ret = AVERROR(ENOMEM);
5598 memcpy(trk->vos_data, par->extradata, trk->vos_len);
5599 memset(trk->vos_data + trk->vos_len, 0, AV_INPUT_BUFFER_PADDING_SIZE);
5602 if ((par->codec_id == AV_CODEC_ID_DNXHD ||
5603 par->codec_id == AV_CODEC_ID_H264 ||
5604 par->codec_id == AV_CODEC_ID_HEVC ||
5605 par->codec_id == AV_CODEC_ID_TRUEHD ||
5606 par->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len &&
5607 !TAG_IS_AVCI(trk->tag)) {
5608 /* copy frame to create needed atoms */
5609 trk->vos_len = size;
5610 trk->vos_data = av_malloc(size + AV_INPUT_BUFFER_PADDING_SIZE);
5611 if (!trk->vos_data) {
5612 ret = AVERROR(ENOMEM);
5615 memcpy(trk->vos_data, pkt->data, size);
5616 memset(trk->vos_data + size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
5619 if (par->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 &&
5620 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
5621 if (!s->streams[pkt->stream_index]->nb_frames) {
5622 av_log(s, AV_LOG_ERROR, "Malformed AAC bitstream detected: "
5623 "use the audio bitstream filter 'aac_adtstoasc' to fix it "
5624 "('-bsf:a aac_adtstoasc' option with ffmpeg)\n");
5627 av_log(s, AV_LOG_WARNING, "aac bitstream error\n");
5629 if (par->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1 && !TAG_IS_AVCI(trk->tag)) {
5630 /* from x264 or from bytestream H.264 */
5631 /* NAL reformatting needed */
5632 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5633 ret = ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
5637 avio_write(pb, reformatted_data, size);
5639 if (trk->cenc.aes_ctr) {
5640 size = ff_mov_cenc_avc_parse_nal_units(&trk->cenc, pb, pkt->data, size);
5646 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
5649 } else if (par->codec_id == AV_CODEC_ID_HEVC && trk->vos_len > 6 &&
5650 (AV_RB24(trk->vos_data) == 1 || AV_RB32(trk->vos_data) == 1)) {
5651 /* extradata is Annex B, assume the bitstream is too and convert it */
5652 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5653 ret = ff_hevc_annexb2mp4_buf(pkt->data, &reformatted_data,
5657 avio_write(pb, reformatted_data, size);
5659 size = ff_hevc_annexb2mp4(pb, pkt->data, pkt->size, 0, NULL);
5661 } else if (par->codec_id == AV_CODEC_ID_AV1) {
5662 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5663 ret = ff_av1_filter_obus_buf(pkt->data, &reformatted_data,
5667 avio_write(pb, reformatted_data, size);
5669 size = ff_av1_filter_obus(pb, pkt->data, pkt->size);
5671 #if CONFIG_AC3_PARSER
5672 } else if (par->codec_id == AV_CODEC_ID_EAC3) {
5673 size = handle_eac3(mov, pkt, trk);
5678 avio_write(pb, pkt->data, size);
5680 } else if (par->codec_id == AV_CODEC_ID_EIA_608) {
5683 for (int i = 0; i < pkt->size; i += 3) {
5684 if (pkt->data[i] == 0xFC) {
5688 avio_wb32(pb, size);
5689 ffio_wfourcc(pb, "cdat");
5690 for (int i = 0; i < pkt->size; i += 3) {
5691 if (pkt->data[i] == 0xFC) {
5692 avio_w8(pb, pkt->data[i + 1]);
5693 avio_w8(pb, pkt->data[i + 2]);
5697 if (trk->cenc.aes_ctr) {
5698 if (par->codec_id == AV_CODEC_ID_H264 && par->extradata_size > 4) {
5699 int nal_size_length = (par->extradata[4] & 0x3) + 1;
5700 ret = ff_mov_cenc_avc_write_nal_units(s, &trk->cenc, nal_size_length, pb, pkt->data, size);
5702 ret = ff_mov_cenc_write_packet(&trk->cenc, pb, pkt->data, size);
5709 avio_write(pb, pkt->data, size);
5713 if (trk->entry >= trk->cluster_capacity) {
5714 unsigned new_capacity = trk->entry + MOV_INDEX_CLUSTER_SIZE;
5715 if (av_reallocp_array(&trk->cluster, new_capacity,
5716 sizeof(*trk->cluster))) {
5717 ret = AVERROR(ENOMEM);
5720 trk->cluster_capacity = new_capacity;
5723 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
5724 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
5725 trk->cluster[trk->entry].chunkNum = 0;
5726 trk->cluster[trk->entry].size = size;
5727 trk->cluster[trk->entry].entries = samples_in_chunk;
5728 trk->cluster[trk->entry].dts = pkt->dts;
5729 trk->cluster[trk->entry].pts = pkt->pts;
5730 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
5731 if (!trk->frag_discont) {
5732 /* First packet of a new fragment. We already wrote the duration
5733 * of the last packet of the previous fragment based on track_duration,
5734 * which might not exactly match our dts. Therefore adjust the dts
5735 * of this packet to be what the previous packets duration implies. */
5736 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
5737 /* We also may have written the pts and the corresponding duration
5738 * in sidx/tfrf/tfxd tags; make sure the sidx pts and duration match up with
5739 * the next fragment. This means the cts of the first sample must
5740 * be the same in all fragments, unless end_pts was updated by
5741 * the packet causing the fragment to be written. */
5742 if ((mov->flags & FF_MOV_FLAG_DASH &&
5743 !(mov->flags & (FF_MOV_FLAG_GLOBAL_SIDX | FF_MOV_FLAG_SKIP_SIDX))) ||
5744 mov->mode == MODE_ISM)
5745 pkt->pts = pkt->dts + trk->end_pts - trk->cluster[trk->entry].dts;
5747 /* New fragment, but discontinuous from previous fragments.
5748 * Pretend the duration sum of the earlier fragments is
5749 * pkt->dts - trk->start_dts. */
5750 trk->frag_start = pkt->dts - trk->start_dts;
5751 trk->end_pts = AV_NOPTS_VALUE;
5752 trk->frag_discont = 0;
5756 if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !mov->use_editlist &&
5757 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO) {
5758 /* Not using edit lists and shifting the first track to start from zero.
5759 * If the other streams start from a later timestamp, we won't be able
5760 * to signal the difference in starting time without an edit list.
5761 * Thus move the timestamp for this first sample to 0, increasing
5762 * its duration instead. */
5763 trk->cluster[trk->entry].dts = trk->start_dts = 0;
5765 if (trk->start_dts == AV_NOPTS_VALUE) {
5766 trk->start_dts = pkt->dts;
5767 if (trk->frag_discont) {
5768 if (mov->use_editlist) {
5769 /* Pretend the whole stream started at pts=0, with earlier fragments
5770 * already written. If the stream started at pts=0, the duration sum
5771 * of earlier fragments would have been pkt->pts. */
5772 trk->frag_start = pkt->pts;
5773 trk->start_dts = pkt->dts - pkt->pts;
5775 /* Pretend the whole stream started at dts=0, with earlier fragments
5776 * already written, with a duration summing up to pkt->dts. */
5777 trk->frag_start = pkt->dts;
5780 trk->frag_discont = 0;
5781 } else if (pkt->dts && mov->moov_written)
5782 av_log(s, AV_LOG_WARNING,
5783 "Track %d starts with a nonzero dts %"PRId64", while the moov "
5784 "already has been written. Set the delay_moov flag to handle "
5786 pkt->stream_index, pkt->dts);
5788 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
5789 trk->last_sample_is_subtitle_end = 0;
5791 if (pkt->pts == AV_NOPTS_VALUE) {
5792 av_log(s, AV_LOG_WARNING, "pts has no value\n");
5793 pkt->pts = pkt->dts;
5795 if (pkt->dts != pkt->pts)
5796 trk->flags |= MOV_TRACK_CTTS;
5797 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
5798 trk->cluster[trk->entry].flags = 0;
5799 if (trk->start_cts == AV_NOPTS_VALUE)
5800 trk->start_cts = pkt->pts - pkt->dts;
5801 if (trk->end_pts == AV_NOPTS_VALUE)
5802 trk->end_pts = trk->cluster[trk->entry].dts +
5803 trk->cluster[trk->entry].cts + pkt->duration;
5805 trk->end_pts = FFMAX(trk->end_pts, trk->cluster[trk->entry].dts +
5806 trk->cluster[trk->entry].cts +
5809 if (par->codec_id == AV_CODEC_ID_VC1) {
5810 mov_parse_vc1_frame(pkt, trk);
5811 } else if (par->codec_id == AV_CODEC_ID_TRUEHD) {
5812 mov_parse_truehd_frame(pkt, trk);
5813 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
5814 if (mov->mode == MODE_MOV && par->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
5815 trk->entry > 0) { // force sync sample for the first key frame
5816 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
5817 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
5818 trk->flags |= MOV_TRACK_STPS;
5820 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
5822 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
5823 trk->has_keyframes++;
5825 if (pkt->flags & AV_PKT_FLAG_DISPOSABLE) {
5826 trk->cluster[trk->entry].flags |= MOV_DISPOSABLE_SAMPLE;
5827 trk->has_disposable++;
5830 prft = (AVProducerReferenceTime *)av_packet_get_side_data(pkt, AV_PKT_DATA_PRFT, &prft_size);
5831 if (prft && prft_size == sizeof(AVProducerReferenceTime))
5832 memcpy(&trk->cluster[trk->entry].prft, prft, prft_size);
5834 memset(&trk->cluster[trk->entry].prft, 0, sizeof(AVProducerReferenceTime));
5837 trk->sample_count += samples_in_chunk;
5838 mov->mdat_size += size;
5840 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
5841 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
5842 reformatted_data ? reformatted_data + offset
5848 if (pkt->data != reformatted_data)
5849 av_free(reformatted_data);
5853 static int mov_write_single_packet(AVFormatContext *s, AVPacket *pkt)
5855 MOVMuxContext *mov = s->priv_data;
5856 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5857 AVCodecParameters *par = trk->par;
5858 int64_t frag_duration = 0;
5859 int size = pkt->size;
5861 int ret = check_pkt(s, pkt);
5865 if (mov->flags & FF_MOV_FLAG_FRAG_DISCONT) {
5867 for (i = 0; i < s->nb_streams; i++)
5868 mov->tracks[i].frag_discont = 1;
5869 mov->flags &= ~FF_MOV_FLAG_FRAG_DISCONT;
5872 if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS) {
5873 if (trk->dts_shift == AV_NOPTS_VALUE)
5874 trk->dts_shift = pkt->pts - pkt->dts;
5875 pkt->dts += trk->dts_shift;
5878 if (trk->par->codec_id == AV_CODEC_ID_MP4ALS ||
5879 trk->par->codec_id == AV_CODEC_ID_AAC ||
5880 trk->par->codec_id == AV_CODEC_ID_AV1 ||
5881 trk->par->codec_id == AV_CODEC_ID_FLAC) {
5883 uint8_t *side = av_packet_get_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA, &side_size);
5884 if (side && side_size > 0 && (side_size != par->extradata_size || memcmp(side, par->extradata, side_size))) {
5885 void *newextra = av_mallocz(side_size + AV_INPUT_BUFFER_PADDING_SIZE);
5887 return AVERROR(ENOMEM);
5888 av_free(par->extradata);
5889 par->extradata = newextra;
5890 memcpy(par->extradata, side, side_size);
5891 par->extradata_size = side_size;
5892 if (!pkt->size) // Flush packet
5893 mov->need_rewrite_extradata = 1;
5898 if (trk->start_dts == AV_NOPTS_VALUE && trk->frag_discont) {
5899 trk->start_dts = pkt->dts;
5900 if (pkt->pts != AV_NOPTS_VALUE)
5901 trk->start_cts = pkt->pts - pkt->dts;
5906 return 0; /* Discard 0 sized packets */
5909 if (trk->entry && pkt->stream_index < s->nb_streams)
5910 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
5911 s->streams[pkt->stream_index]->time_base,
5913 if ((mov->max_fragment_duration &&
5914 frag_duration >= mov->max_fragment_duration) ||
5915 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
5916 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
5917 par->codec_type == AVMEDIA_TYPE_VIDEO &&
5918 trk->entry && pkt->flags & AV_PKT_FLAG_KEY) ||
5919 (mov->flags & FF_MOV_FLAG_FRAG_EVERY_FRAME)) {
5920 if (frag_duration >= mov->min_fragment_duration) {
5921 // Set the duration of this track to line up with the next
5922 // sample in this track. This avoids relying on AVPacket
5923 // duration, but only helps for this particular track, not
5924 // for the other ones that are flushed at the same time.
5925 trk->track_duration = pkt->dts - trk->start_dts;
5926 if (pkt->pts != AV_NOPTS_VALUE)
5927 trk->end_pts = pkt->pts;
5929 trk->end_pts = pkt->dts;
5930 trk->end_reliable = 1;
5931 mov_auto_flush_fragment(s, 0);
5935 return ff_mov_write_packet(s, pkt);
5938 static int mov_write_subtitle_end_packet(AVFormatContext *s,
5942 uint8_t data[2] = {0};
5945 av_init_packet(&end);
5946 end.size = sizeof(data);
5951 end.stream_index = stream_index;
5953 ret = mov_write_single_packet(s, &end);
5954 av_packet_unref(&end);
5959 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
5961 MOVMuxContext *mov = s->priv_data;
5965 mov_flush_fragment(s, 1);
5969 trk = &mov->tracks[pkt->stream_index];
5971 if (is_cover_image(trk->st)) {
5974 if (trk->st->nb_frames >= 1) {
5975 if (trk->st->nb_frames == 1)
5976 av_log(s, AV_LOG_WARNING, "Got more than one picture in stream %d,"
5977 " ignoring.\n", pkt->stream_index);
5981 if ((ret = av_packet_ref(&trk->cover_image, pkt)) < 0)
5989 return mov_write_single_packet(s, pkt); /* Passthrough. */
5992 * Subtitles require special handling.
5994 * 1) For full complaince, every track must have a sample at
5995 * dts == 0, which is rarely true for subtitles. So, as soon
5996 * as we see any packet with dts > 0, write an empty subtitle
5997 * at dts == 0 for any subtitle track with no samples in it.
5999 * 2) For each subtitle track, check if the current packet's
6000 * dts is past the duration of the last subtitle sample. If
6001 * so, we now need to write an end sample for that subtitle.
6003 * This must be done conditionally to allow for subtitles that
6004 * immediately replace each other, in which case an end sample
6005 * is not needed, and is, in fact, actively harmful.
6007 * 3) See mov_write_trailer for how the final end sample is
6010 for (i = 0; i < mov->nb_streams; i++) {
6011 MOVTrack *trk = &mov->tracks[i];
6014 if (trk->par->codec_id == AV_CODEC_ID_MOV_TEXT &&
6015 trk->track_duration < pkt->dts &&
6016 (trk->entry == 0 || !trk->last_sample_is_subtitle_end)) {
6017 ret = mov_write_subtitle_end_packet(s, i, trk->track_duration);
6018 if (ret < 0) return ret;
6019 trk->last_sample_is_subtitle_end = 1;
6023 if (trk->mode == MODE_MOV && trk->par->codec_type == AVMEDIA_TYPE_VIDEO) {
6024 AVPacket *opkt = pkt;
6025 int reshuffle_ret, ret;
6026 if (trk->is_unaligned_qt_rgb) {
6027 int64_t bpc = trk->par->bits_per_coded_sample != 15 ? trk->par->bits_per_coded_sample : 16;
6028 int expected_stride = ((trk->par->width * bpc + 15) >> 4)*2;
6029 reshuffle_ret = ff_reshuffle_raw_rgb(s, &pkt, trk->par, expected_stride);
6030 if (reshuffle_ret < 0)
6031 return reshuffle_ret;
6034 if (trk->par->format == AV_PIX_FMT_PAL8 && !trk->pal_done) {
6035 ret = ff_get_packet_palette(s, opkt, reshuffle_ret, trk->palette);
6040 } else if (trk->par->codec_id == AV_CODEC_ID_RAWVIDEO &&
6041 (trk->par->format == AV_PIX_FMT_GRAY8 ||
6042 trk->par->format == AV_PIX_FMT_MONOBLACK)) {
6043 for (i = 0; i < pkt->size; i++)
6044 pkt->data[i] = ~pkt->data[i];
6046 if (reshuffle_ret) {
6047 ret = mov_write_single_packet(s, pkt);
6050 av_packet_free(&pkt);
6055 return mov_write_single_packet(s, pkt);
6059 // QuickTime chapters involve an additional text track with the chapter names
6060 // as samples, and a tref pointing from the other tracks to the chapter one.
6061 static int mov_create_chapter_track(AVFormatContext *s, int tracknum)
6065 MOVMuxContext *mov = s->priv_data;
6066 MOVTrack *track = &mov->tracks[tracknum];
6067 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
6070 track->mode = mov->mode;
6071 track->tag = MKTAG('t','e','x','t');
6072 track->timescale = MOV_TIMESCALE;
6073 track->par = avcodec_parameters_alloc();
6075 return AVERROR(ENOMEM);
6076 track->par->codec_type = AVMEDIA_TYPE_SUBTITLE;
6078 // These properties are required to make QT recognize the chapter track
6079 uint8_t chapter_properties[43] = { 0, 0, 0, 0, 0, 0, 0, 1, };
6080 if (ff_alloc_extradata(track->par, sizeof(chapter_properties)))
6081 return AVERROR(ENOMEM);
6082 memcpy(track->par->extradata, chapter_properties, sizeof(chapter_properties));
6084 if (avio_open_dyn_buf(&pb) >= 0) {
6088 /* Stub header (usually for Quicktime chapter track) */
6090 avio_wb32(pb, 0x01); // displayFlags
6091 avio_w8(pb, 0x00); // horizontal justification
6092 avio_w8(pb, 0x00); // vertical justification
6093 avio_w8(pb, 0x00); // bgColourRed
6094 avio_w8(pb, 0x00); // bgColourGreen
6095 avio_w8(pb, 0x00); // bgColourBlue
6096 avio_w8(pb, 0x00); // bgColourAlpha
6098 avio_wb16(pb, 0x00); // defTextBoxTop
6099 avio_wb16(pb, 0x00); // defTextBoxLeft
6100 avio_wb16(pb, 0x00); // defTextBoxBottom
6101 avio_wb16(pb, 0x00); // defTextBoxRight
6103 avio_wb16(pb, 0x00); // startChar
6104 avio_wb16(pb, 0x00); // endChar
6105 avio_wb16(pb, 0x01); // fontID
6106 avio_w8(pb, 0x00); // fontStyleFlags
6107 avio_w8(pb, 0x00); // fontSize
6108 avio_w8(pb, 0x00); // fgColourRed
6109 avio_w8(pb, 0x00); // fgColourGreen
6110 avio_w8(pb, 0x00); // fgColourBlue
6111 avio_w8(pb, 0x00); // fgColourAlpha
6113 avio_wb32(pb, 0x0D); // box size
6114 ffio_wfourcc(pb, "ftab"); // box atom name
6115 avio_wb16(pb, 0x01); // entry count
6117 avio_wb16(pb, 0x01); // font ID
6118 avio_w8(pb, 0x00); // font name length
6120 if ((size = avio_close_dyn_buf(pb, &buf)) > 0) {
6121 track->par->extradata = buf;
6122 track->par->extradata_size = size;
6129 for (i = 0; i < s->nb_chapters; i++) {
6130 AVChapter *c = s->chapters[i];
6131 AVDictionaryEntry *t;
6133 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
6134 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
6135 pkt.duration = end - pkt.dts;
6137 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
6138 static const char encd[12] = {
6139 0x00, 0x00, 0x00, 0x0C,
6141 0x00, 0x00, 0x01, 0x00 };
6142 len = strlen(t->value);
6143 pkt.size = len + 2 + 12;
6144 pkt.data = av_malloc(pkt.size);
6146 return AVERROR(ENOMEM);
6147 AV_WB16(pkt.data, len);
6148 memcpy(pkt.data + 2, t->value, len);
6149 memcpy(pkt.data + len + 2, encd, sizeof(encd));
6150 ff_mov_write_packet(s, &pkt);
6151 av_freep(&pkt.data);
6159 static int mov_check_timecode_track(AVFormatContext *s, AVTimecode *tc, int src_index, const char *tcstr)
6163 /* compute the frame number */
6164 ret = av_timecode_init_from_string(tc, find_fps(s, s->streams[src_index]), tcstr, s);
6168 static int mov_create_timecode_track(AVFormatContext *s, int index, int src_index, AVTimecode tc)
6171 MOVMuxContext *mov = s->priv_data;
6172 MOVTrack *track = &mov->tracks[index];
6173 AVStream *src_st = s->streams[src_index];
6174 AVPacket pkt = {.stream_index = index, .flags = AV_PKT_FLAG_KEY, .size = 4};
6175 AVRational rate = find_fps(s, src_st);
6177 /* tmcd track based on video stream */
6178 track->mode = mov->mode;
6179 track->tag = MKTAG('t','m','c','d');
6180 track->src_track = src_index;
6181 track->timescale = mov->tracks[src_index].timescale;
6182 if (tc.flags & AV_TIMECODE_FLAG_DROPFRAME)
6183 track->timecode_flags |= MOV_TIMECODE_FLAG_DROPFRAME;
6185 /* set st to src_st for metadata access*/
6188 /* encode context: tmcd data stream */
6189 track->par = avcodec_parameters_alloc();
6191 return AVERROR(ENOMEM);
6192 track->par->codec_type = AVMEDIA_TYPE_DATA;
6193 track->par->codec_tag = track->tag;
6194 track->st->avg_frame_rate = av_inv_q(rate);
6196 /* the tmcd track just contains one packet with the frame number */
6197 pkt.data = av_malloc(pkt.size);
6199 return AVERROR(ENOMEM);
6200 AV_WB32(pkt.data, tc.start);
6201 ret = ff_mov_write_packet(s, &pkt);
6207 * st->disposition controls the "enabled" flag in the tkhd tag.
6208 * QuickTime will not play a track if it is not enabled. So make sure
6209 * that one track of each type (audio, video, subtitle) is enabled.
6211 * Subtitles are special. For audio and video, setting "enabled" also
6212 * makes the track "default" (i.e. it is rendered when played). For
6213 * subtitles, an "enabled" subtitle is not rendered by default, but
6214 * if no subtitle is enabled, the subtitle menu in QuickTime will be
6217 static void enable_tracks(AVFormatContext *s)
6219 MOVMuxContext *mov = s->priv_data;
6221 int enabled[AVMEDIA_TYPE_NB];
6222 int first[AVMEDIA_TYPE_NB];
6224 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
6229 for (i = 0; i < s->nb_streams; i++) {
6230 AVStream *st = s->streams[i];
6232 if (st->codecpar->codec_type <= AVMEDIA_TYPE_UNKNOWN ||
6233 st->codecpar->codec_type >= AVMEDIA_TYPE_NB ||
6237 if (first[st->codecpar->codec_type] < 0)
6238 first[st->codecpar->codec_type] = i;
6239 if (st->disposition & AV_DISPOSITION_DEFAULT) {
6240 mov->tracks[i].flags |= MOV_TRACK_ENABLED;
6241 enabled[st->codecpar->codec_type]++;
6245 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
6247 case AVMEDIA_TYPE_VIDEO:
6248 case AVMEDIA_TYPE_AUDIO:
6249 case AVMEDIA_TYPE_SUBTITLE:
6251 mov->per_stream_grouping = 1;
6252 if (!enabled[i] && first[i] >= 0)
6253 mov->tracks[first[i]].flags |= MOV_TRACK_ENABLED;
6259 static void mov_free(AVFormatContext *s)
6261 MOVMuxContext *mov = s->priv_data;
6264 if (mov->chapter_track) {
6265 if (mov->tracks[mov->chapter_track].par)
6266 av_freep(&mov->tracks[mov->chapter_track].par->extradata);
6267 av_freep(&mov->tracks[mov->chapter_track].par);
6270 for (i = 0; i < mov->nb_streams; i++) {
6271 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
6272 ff_mov_close_hinting(&mov->tracks[i]);
6273 else if (mov->tracks[i].tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd)
6274 av_freep(&mov->tracks[i].par);
6275 av_freep(&mov->tracks[i].cluster);
6276 av_freep(&mov->tracks[i].frag_info);
6277 av_packet_unref(&mov->tracks[i].cover_image);
6279 if (mov->tracks[i].eac3_priv) {
6280 struct eac3_info *info = mov->tracks[i].eac3_priv;
6281 av_packet_unref(&info->pkt);
6282 av_freep(&mov->tracks[i].eac3_priv);
6284 if (mov->tracks[i].vos_len)
6285 av_freep(&mov->tracks[i].vos_data);
6287 ff_mov_cenc_free(&mov->tracks[i].cenc);
6290 av_freep(&mov->tracks);
6293 static uint32_t rgb_to_yuv(uint32_t rgb)
6298 r = (rgb >> 16) & 0xFF;
6299 g = (rgb >> 8) & 0xFF;
6302 y = av_clip_uint8(( 16000 + 257 * r + 504 * g + 98 * b)/1000);
6303 cb = av_clip_uint8((128000 - 148 * r - 291 * g + 439 * b)/1000);
6304 cr = av_clip_uint8((128000 + 439 * r - 368 * g - 71 * b)/1000);
6306 return (y << 16) | (cr << 8) | cb;
6309 static int mov_create_dvd_sub_decoder_specific_info(MOVTrack *track,
6312 int i, width = 720, height = 480;
6313 int have_palette = 0, have_size = 0;
6314 uint32_t palette[16];
6315 char *cur = st->codecpar->extradata;
6317 while (cur && *cur) {
6318 if (strncmp("palette:", cur, 8) == 0) {
6320 count = sscanf(cur + 8,
6321 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
6322 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
6323 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
6324 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32"",
6325 &palette[ 0], &palette[ 1], &palette[ 2], &palette[ 3],
6326 &palette[ 4], &palette[ 5], &palette[ 6], &palette[ 7],
6327 &palette[ 8], &palette[ 9], &palette[10], &palette[11],
6328 &palette[12], &palette[13], &palette[14], &palette[15]);
6330 for (i = 0; i < count; i++) {
6331 palette[i] = rgb_to_yuv(palette[i]);
6334 } else if (!strncmp("size:", cur, 5)) {
6335 sscanf(cur + 5, "%dx%d", &width, &height);
6338 if (have_palette && have_size)
6340 cur += strcspn(cur, "\n\r");
6341 cur += strspn(cur, "\n\r");
6344 track->vos_data = av_malloc(16*4 + AV_INPUT_BUFFER_PADDING_SIZE);
6345 if (!track->vos_data)
6346 return AVERROR(ENOMEM);
6347 for (i = 0; i < 16; i++) {
6348 AV_WB32(track->vos_data + i * 4, palette[i]);
6350 memset(track->vos_data + 16*4, 0, AV_INPUT_BUFFER_PADDING_SIZE);
6351 track->vos_len = 16 * 4;
6353 st->codecpar->width = width;
6354 st->codecpar->height = track->height = height;
6359 static int mov_init(AVFormatContext *s)
6361 MOVMuxContext *mov = s->priv_data;
6362 AVDictionaryEntry *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
6367 /* Default mode == MP4 */
6368 mov->mode = MODE_MP4;
6371 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
6372 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
6373 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
6374 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
6375 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
6376 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
6377 else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V;
6380 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
6381 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV;
6383 /* Set the FRAGMENT flag if any of the fragmentation methods are
6385 if (mov->max_fragment_duration || mov->max_fragment_size ||
6386 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
6387 FF_MOV_FLAG_FRAG_KEYFRAME |
6388 FF_MOV_FLAG_FRAG_CUSTOM |
6389 FF_MOV_FLAG_FRAG_EVERY_FRAME))
6390 mov->flags |= FF_MOV_FLAG_FRAGMENT;
6392 /* Set other implicit flags immediately */
6393 if (mov->mode == MODE_ISM)
6394 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
6395 FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS;
6396 if (mov->flags & FF_MOV_FLAG_DASH)
6397 mov->flags |= FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_EMPTY_MOOV |
6398 FF_MOV_FLAG_DEFAULT_BASE_MOOF;
6399 if (mov->flags & FF_MOV_FLAG_CMAF)
6400 mov->flags |= FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_EMPTY_MOOV |
6401 FF_MOV_FLAG_DEFAULT_BASE_MOOF | FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS;
6403 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV && s->flags & AVFMT_FLAG_AUTO_BSF) {
6404 av_log(s, AV_LOG_VERBOSE, "Empty MOOV enabled; disabling automatic bitstream filtering\n");
6405 s->flags &= ~AVFMT_FLAG_AUTO_BSF;
6408 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX && mov->flags & FF_MOV_FLAG_SKIP_SIDX) {
6409 av_log(s, AV_LOG_WARNING, "Global SIDX enabled; Ignoring skip_sidx option\n");
6410 mov->flags &= ~FF_MOV_FLAG_SKIP_SIDX;
6413 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
6414 mov->reserved_moov_size = -1;
6417 if (mov->use_editlist < 0) {
6418 mov->use_editlist = 1;
6419 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
6420 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6421 // If we can avoid needing an edit list by shifting the
6422 // tracks, prefer that over (trying to) write edit lists
6423 // in fragmented output.
6424 if (s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO ||
6425 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO)
6426 mov->use_editlist = 0;
6428 if (mov->flags & FF_MOV_FLAG_CMAF) {
6429 // CMAF Track requires negative cts offsets without edit lists
6430 mov->use_editlist = 0;
6433 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
6434 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV) && mov->use_editlist)
6435 av_log(s, AV_LOG_WARNING, "No meaningful edit list will be written when using empty_moov without delay_moov\n");
6437 if (mov->flags & FF_MOV_FLAG_CMAF && mov->use_editlist) {
6438 av_log(s, AV_LOG_WARNING, "Edit list enabled; Assuming writing CMAF Track File\n");
6439 mov->flags &= ~FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS;
6441 if (!mov->use_editlist && s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO &&
6442 !(mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS))
6443 s->avoid_negative_ts = AVFMT_AVOID_NEG_TS_MAKE_ZERO;
6445 /* Clear the omit_tfhd_offset flag if default_base_moof is set;
6446 * if the latter is set that's enough and omit_tfhd_offset doesn't
6447 * add anything extra on top of that. */
6448 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
6449 mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
6450 mov->flags &= ~FF_MOV_FLAG_OMIT_TFHD_OFFSET;
6452 if (mov->frag_interleave &&
6453 mov->flags & (FF_MOV_FLAG_OMIT_TFHD_OFFSET | FF_MOV_FLAG_SEPARATE_MOOF)) {
6454 av_log(s, AV_LOG_ERROR,
6455 "Sample interleaving in fragments is mutually exclusive with "
6456 "omit_tfhd_offset and separate_moof\n");
6457 return AVERROR(EINVAL);
6460 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
6461 * is enabled, we don't support non-seekable output at all. */
6462 if (!(s->pb->seekable & AVIO_SEEKABLE_NORMAL) &&
6463 (!(mov->flags & FF_MOV_FLAG_FRAGMENT) || mov->ism_lookahead)) {
6464 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
6465 return AVERROR(EINVAL);
6468 mov->nb_streams = s->nb_streams;
6469 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
6470 mov->chapter_track = mov->nb_streams++;
6472 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6473 for (i = 0; i < s->nb_streams; i++)
6474 if (rtp_hinting_needed(s->streams[i]))
6478 if ( mov->write_tmcd == -1 && (mov->mode == MODE_MOV || mov->mode == MODE_MP4)
6479 || mov->write_tmcd == 1) {
6480 /* +1 tmcd track for each video stream with a timecode */
6481 for (i = 0; i < s->nb_streams; i++) {
6482 AVStream *st = s->streams[i];
6483 AVDictionaryEntry *t = global_tcr;
6484 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO &&
6485 (t || (t=av_dict_get(st->metadata, "timecode", NULL, 0)))) {
6487 ret = mov_check_timecode_track(s, &tc, i, t->value);
6489 mov->nb_meta_tmcd++;
6493 /* check if there is already a tmcd track to remux */
6494 if (mov->nb_meta_tmcd) {
6495 for (i = 0; i < s->nb_streams; i++) {
6496 AVStream *st = s->streams[i];
6497 if (st->codecpar->codec_tag == MKTAG('t','m','c','d')) {
6498 av_log(s, AV_LOG_WARNING, "You requested a copy of the original timecode track "
6499 "so timecode metadata are now ignored\n");
6500 mov->nb_meta_tmcd = 0;
6505 mov->nb_streams += mov->nb_meta_tmcd;
6508 // Reserve an extra stream for chapters for the case where chapters
6509 // are written in the trailer
6510 mov->tracks = av_mallocz_array((mov->nb_streams + 1), sizeof(*mov->tracks));
6512 return AVERROR(ENOMEM);
6514 if (mov->encryption_scheme_str != NULL && strcmp(mov->encryption_scheme_str, "none") != 0) {
6515 if (strcmp(mov->encryption_scheme_str, "cenc-aes-ctr") == 0) {
6516 mov->encryption_scheme = MOV_ENC_CENC_AES_CTR;
6518 if (mov->encryption_key_len != AES_CTR_KEY_SIZE) {
6519 av_log(s, AV_LOG_ERROR, "Invalid encryption key len %d expected %d\n",
6520 mov->encryption_key_len, AES_CTR_KEY_SIZE);
6521 return AVERROR(EINVAL);
6524 if (mov->encryption_kid_len != CENC_KID_SIZE) {
6525 av_log(s, AV_LOG_ERROR, "Invalid encryption kid len %d expected %d\n",
6526 mov->encryption_kid_len, CENC_KID_SIZE);
6527 return AVERROR(EINVAL);
6530 av_log(s, AV_LOG_ERROR, "unsupported encryption scheme %s\n",
6531 mov->encryption_scheme_str);
6532 return AVERROR(EINVAL);
6536 for (i = 0; i < s->nb_streams; i++) {
6537 AVStream *st= s->streams[i];
6538 MOVTrack *track= &mov->tracks[i];
6539 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
6542 track->par = st->codecpar;
6543 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
6544 if (track->language < 0)
6545 track->language = 32767; // Unspecified Macintosh language code
6546 track->mode = mov->mode;
6547 track->tag = mov_find_codec_tag(s, track);
6549 av_log(s, AV_LOG_ERROR, "Could not find tag for codec %s in stream #%d, "
6550 "codec not currently supported in container\n",
6551 avcodec_get_name(st->codecpar->codec_id), i);
6552 return AVERROR(EINVAL);
6554 /* If hinting of this track is enabled by a later hint track,
6555 * this is updated. */
6556 track->hint_track = -1;
6557 track->start_dts = AV_NOPTS_VALUE;
6558 track->start_cts = AV_NOPTS_VALUE;
6559 track->end_pts = AV_NOPTS_VALUE;
6560 track->dts_shift = AV_NOPTS_VALUE;
6561 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
6562 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
6563 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
6564 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
6565 if (st->codecpar->width != 720 || (st->codecpar->height != 608 && st->codecpar->height != 512)) {
6566 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
6567 return AVERROR(EINVAL);
6569 track->height = track->tag >> 24 == 'n' ? 486 : 576;
6571 if (mov->video_track_timescale) {
6572 track->timescale = mov->video_track_timescale;
6573 if (mov->mode == MODE_ISM && mov->video_track_timescale != 10000000)
6574 av_log(s, AV_LOG_WARNING, "Warning: some tools, like mp4split, assume a timescale of 10000000 for ISMV.\n");
6576 track->timescale = st->time_base.den;
6577 while(track->timescale < 10000)
6578 track->timescale *= 2;
6580 if (st->codecpar->width > 65535 || st->codecpar->height > 65535) {
6581 av_log(s, AV_LOG_ERROR, "Resolution %dx%d too large for mov/mp4\n", st->codecpar->width, st->codecpar->height);
6582 return AVERROR(EINVAL);
6584 if (track->mode == MODE_MOV && track->timescale > 100000)
6585 av_log(s, AV_LOG_WARNING,
6586 "WARNING codec timebase is very high. If duration is too long,\n"
6587 "file may not be playable by quicktime. Specify a shorter timebase\n"
6588 "or choose different container.\n");
6589 if (track->mode == MODE_MOV &&
6590 track->par->codec_id == AV_CODEC_ID_RAWVIDEO &&
6591 track->tag == MKTAG('r','a','w',' ')) {
6592 enum AVPixelFormat pix_fmt = track->par->format;
6593 if (pix_fmt == AV_PIX_FMT_NONE && track->par->bits_per_coded_sample == 1)
6594 pix_fmt = AV_PIX_FMT_MONOWHITE;
6595 track->is_unaligned_qt_rgb =
6596 pix_fmt == AV_PIX_FMT_RGB24 ||
6597 pix_fmt == AV_PIX_FMT_BGR24 ||
6598 pix_fmt == AV_PIX_FMT_PAL8 ||
6599 pix_fmt == AV_PIX_FMT_GRAY8 ||
6600 pix_fmt == AV_PIX_FMT_MONOWHITE ||
6601 pix_fmt == AV_PIX_FMT_MONOBLACK;
6603 if (track->par->codec_id == AV_CODEC_ID_VP9 ||
6604 track->par->codec_id == AV_CODEC_ID_AV1) {
6605 if (track->mode != MODE_MP4) {
6606 av_log(s, AV_LOG_ERROR, "%s only supported in MP4.\n", avcodec_get_name(track->par->codec_id));
6607 return AVERROR(EINVAL);
6609 } else if (track->par->codec_id == AV_CODEC_ID_VP8) {
6610 /* altref frames handling is not defined in the spec as of version v1.0,
6611 * so just forbid muxing VP8 streams altogether until a new version does */
6612 av_log(s, AV_LOG_ERROR, "VP8 muxing is currently not supported.\n");
6613 return AVERROR_PATCHWELCOME;
6615 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
6616 track->timescale = st->codecpar->sample_rate;
6617 if (!st->codecpar->frame_size && !av_get_bits_per_sample(st->codecpar->codec_id)) {
6618 av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i);
6619 track->audio_vbr = 1;
6620 }else if (st->codecpar->codec_id == AV_CODEC_ID_ADPCM_MS ||
6621 st->codecpar->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
6622 st->codecpar->codec_id == AV_CODEC_ID_ILBC){
6623 if (!st->codecpar->block_align) {
6624 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
6625 return AVERROR(EINVAL);
6627 track->sample_size = st->codecpar->block_align;
6628 }else if (st->codecpar->frame_size > 1){ /* assume compressed audio */
6629 track->audio_vbr = 1;
6631 track->sample_size = (av_get_bits_per_sample(st->codecpar->codec_id) >> 3) * st->codecpar->channels;
6633 if (st->codecpar->codec_id == AV_CODEC_ID_ILBC ||
6634 st->codecpar->codec_id == AV_CODEC_ID_ADPCM_IMA_QT) {
6635 track->audio_vbr = 1;
6637 if (track->mode != MODE_MOV &&
6638 track->par->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
6639 if (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL) {
6640 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not standard, to mux anyway set strict to -1\n",
6641 i, track->par->sample_rate);
6642 return AVERROR(EINVAL);
6644 av_log(s, AV_LOG_WARNING, "track %d: muxing mp3 at %dhz is not standard in MP4\n",
6645 i, track->par->sample_rate);
6648 if (track->par->codec_id == AV_CODEC_ID_FLAC ||
6649 track->par->codec_id == AV_CODEC_ID_TRUEHD ||
6650 track->par->codec_id == AV_CODEC_ID_OPUS) {
6651 if (track->mode != MODE_MP4) {
6652 av_log(s, AV_LOG_ERROR, "%s only supported in MP4.\n", avcodec_get_name(track->par->codec_id));
6653 return AVERROR(EINVAL);
6655 if (track->par->codec_id != AV_CODEC_ID_OPUS &&
6656 s->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
6657 av_log(s, AV_LOG_ERROR,
6658 "%s in MP4 support is experimental, add "
6659 "'-strict %d' if you want to use it.\n",
6660 avcodec_get_name(track->par->codec_id), FF_COMPLIANCE_EXPERIMENTAL);
6661 return AVERROR_EXPERIMENTAL;
6664 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) {
6665 track->timescale = st->time_base.den;
6666 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_DATA) {
6667 track->timescale = st->time_base.den;
6669 track->timescale = MOV_TIMESCALE;
6672 track->height = st->codecpar->height;
6673 /* The Protected Interoperable File Format (PIFF) standard, used by ISMV recommends but
6674 doesn't mandate a track timescale of 10,000,000. The muxer allows a custom timescale
6675 for video tracks, so if user-set, it isn't overwritten */
6676 if (mov->mode == MODE_ISM &&
6677 (st->codecpar->codec_type != AVMEDIA_TYPE_VIDEO ||
6678 (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO && !mov->video_track_timescale))) {
6679 track->timescale = 10000000;
6682 avpriv_set_pts_info(st, 64, 1, track->timescale);
6684 if (mov->encryption_scheme == MOV_ENC_CENC_AES_CTR) {
6685 ret = ff_mov_cenc_init(&track->cenc, mov->encryption_key,
6686 track->par->codec_id == AV_CODEC_ID_H264, s->flags & AVFMT_FLAG_BITEXACT);
6696 static int mov_write_header(AVFormatContext *s)
6698 AVIOContext *pb = s->pb;
6699 MOVMuxContext *mov = s->priv_data;
6700 AVDictionaryEntry *t, *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
6701 int i, ret, hint_track = 0, tmcd_track = 0, nb_tracks = s->nb_streams;
6703 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
6706 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6707 hint_track = nb_tracks;
6708 for (i = 0; i < s->nb_streams; i++)
6709 if (rtp_hinting_needed(s->streams[i]))
6713 if (mov->nb_meta_tmcd)
6714 tmcd_track = nb_tracks;
6716 for (i = 0; i < s->nb_streams; i++) {
6718 AVStream *st= s->streams[i];
6719 MOVTrack *track= &mov->tracks[i];
6721 /* copy extradata if it exists */
6722 if (st->codecpar->extradata_size) {
6723 if (st->codecpar->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
6724 mov_create_dvd_sub_decoder_specific_info(track, st);
6725 else if (!TAG_IS_AVCI(track->tag) && st->codecpar->codec_id != AV_CODEC_ID_DNXHD) {
6726 track->vos_len = st->codecpar->extradata_size;
6727 track->vos_data = av_malloc(track->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
6728 if (!track->vos_data) {
6729 return AVERROR(ENOMEM);
6731 memcpy(track->vos_data, st->codecpar->extradata, track->vos_len);
6732 memset(track->vos_data + track->vos_len, 0, AV_INPUT_BUFFER_PADDING_SIZE);
6736 if (st->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ||
6737 track->par->channel_layout != AV_CH_LAYOUT_MONO)
6740 for (j = 0; j < s->nb_streams; j++) {
6741 AVStream *stj= s->streams[j];
6742 MOVTrack *trackj= &mov->tracks[j];
6746 if (stj->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ||
6747 trackj->par->channel_layout != AV_CH_LAYOUT_MONO ||
6748 trackj->language != track->language ||
6749 trackj->tag != track->tag
6752 track->multichannel_as_mono++;
6756 if (!(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6757 if ((ret = mov_write_identification(pb, s)) < 0)
6761 if (mov->reserved_moov_size){
6762 mov->reserved_header_pos = avio_tell(pb);
6763 if (mov->reserved_moov_size > 0)
6764 avio_skip(pb, mov->reserved_moov_size);
6767 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
6768 /* If no fragmentation options have been set, set a default. */
6769 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
6770 FF_MOV_FLAG_FRAG_CUSTOM |
6771 FF_MOV_FLAG_FRAG_EVERY_FRAME)) &&
6772 !mov->max_fragment_duration && !mov->max_fragment_size)
6773 mov->flags |= FF_MOV_FLAG_FRAG_KEYFRAME;
6775 if (mov->flags & FF_MOV_FLAG_FASTSTART)
6776 mov->reserved_header_pos = avio_tell(pb);
6777 mov_write_mdat_tag(pb, mov);
6780 ff_parse_creation_time_metadata(s, &mov->time, 1);
6782 mov->time += 0x7C25B080; // 1970 based -> 1904 based
6784 if (mov->chapter_track)
6785 if ((ret = mov_create_chapter_track(s, mov->chapter_track)) < 0)
6788 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6789 for (i = 0; i < s->nb_streams; i++) {
6790 if (rtp_hinting_needed(s->streams[i])) {
6791 if ((ret = ff_mov_init_hinting(s, hint_track, i)) < 0)
6798 if (mov->nb_meta_tmcd) {
6799 /* Initialize the tmcd tracks */
6800 for (i = 0; i < s->nb_streams; i++) {
6801 AVStream *st = s->streams[i];
6804 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
6807 t = av_dict_get(st->metadata, "timecode", NULL, 0);
6810 if (mov_check_timecode_track(s, &tc, i, t->value) < 0)
6812 if ((ret = mov_create_timecode_track(s, tmcd_track, i, tc)) < 0)
6821 if (mov->flags & FF_MOV_FLAG_ISML)
6822 mov_write_isml_manifest(pb, mov, s);
6824 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
6825 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6826 if ((ret = mov_write_moov_tag(pb, mov, s)) < 0)
6828 mov->moov_written = 1;
6829 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
6830 mov->reserved_header_pos = avio_tell(pb);
6836 static int get_moov_size(AVFormatContext *s)
6839 AVIOContext *moov_buf;
6840 MOVMuxContext *mov = s->priv_data;
6842 if ((ret = ffio_open_null_buf(&moov_buf)) < 0)
6844 if ((ret = mov_write_moov_tag(moov_buf, mov, s)) < 0)
6846 return ffio_close_null_buf(moov_buf);
6849 static int get_sidx_size(AVFormatContext *s)
6853 MOVMuxContext *mov = s->priv_data;
6855 if ((ret = ffio_open_null_buf(&buf)) < 0)
6857 mov_write_sidx_tags(buf, mov, -1, 0);
6858 return ffio_close_null_buf(buf);
6862 * This function gets the moov size if moved to the top of the file: the chunk
6863 * offset table can switch between stco (32-bit entries) to co64 (64-bit
6864 * entries) when the moov is moved to the beginning, so the size of the moov
6865 * would change. It also updates the chunk offset tables.
6867 static int compute_moov_size(AVFormatContext *s)
6869 int i, moov_size, moov_size2;
6870 MOVMuxContext *mov = s->priv_data;
6872 moov_size = get_moov_size(s);
6876 for (i = 0; i < mov->nb_streams; i++)
6877 mov->tracks[i].data_offset += moov_size;
6879 moov_size2 = get_moov_size(s);
6883 /* if the size changed, we just switched from stco to co64 and need to
6884 * update the offsets */
6885 if (moov_size2 != moov_size)
6886 for (i = 0; i < mov->nb_streams; i++)
6887 mov->tracks[i].data_offset += moov_size2 - moov_size;
6892 static int compute_sidx_size(AVFormatContext *s)
6895 MOVMuxContext *mov = s->priv_data;
6897 sidx_size = get_sidx_size(s);
6901 for (i = 0; i < mov->nb_streams; i++)
6902 mov->tracks[i].data_offset += sidx_size;
6907 static int shift_data(AVFormatContext *s)
6909 int ret = 0, moov_size;
6910 MOVMuxContext *mov = s->priv_data;
6911 int64_t pos, pos_end;
6912 uint8_t *buf, *read_buf[2];
6913 int read_buf_id = 0;
6915 AVIOContext *read_pb;
6917 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
6918 moov_size = compute_sidx_size(s);
6920 moov_size = compute_moov_size(s);
6924 buf = av_malloc(moov_size * 2);
6926 return AVERROR(ENOMEM);
6928 read_buf[1] = buf + moov_size;
6930 /* Shift the data: the AVIO context of the output can only be used for
6931 * writing, so we re-open the same output, but for reading. It also avoids
6932 * a read/seek/write/seek back and forth. */
6934 ret = s->io_open(s, &read_pb, s->url, AVIO_FLAG_READ, NULL);
6936 av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for "
6937 "the second pass (faststart)\n", s->url);
6941 /* mark the end of the shift to up to the last data we wrote, and get ready
6943 pos_end = avio_tell(s->pb);
6944 avio_seek(s->pb, mov->reserved_header_pos + moov_size, SEEK_SET);
6946 /* start reading at where the new moov will be placed */
6947 avio_seek(read_pb, mov->reserved_header_pos, SEEK_SET);
6948 pos = avio_tell(read_pb);
6950 #define READ_BLOCK do { \
6951 read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
6955 /* shift data by chunk of at most moov_size */
6960 n = read_size[read_buf_id];
6963 avio_write(s->pb, read_buf[read_buf_id], n);
6965 } while (pos < pos_end);
6966 ff_format_io_close(s, &read_pb);
6973 static int mov_write_trailer(AVFormatContext *s)
6975 MOVMuxContext *mov = s->priv_data;
6976 AVIOContext *pb = s->pb;
6981 if (mov->need_rewrite_extradata) {
6982 for (i = 0; i < s->nb_streams; i++) {
6983 MOVTrack *track = &mov->tracks[i];
6984 AVCodecParameters *par = track->par;
6986 track->vos_len = par->extradata_size;
6987 track->vos_data = av_malloc(track->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
6988 if (!track->vos_data)
6989 return AVERROR(ENOMEM);
6990 memcpy(track->vos_data, par->extradata, track->vos_len);
6991 memset(track->vos_data + track->vos_len, 0, AV_INPUT_BUFFER_PADDING_SIZE);
6993 mov->need_rewrite_extradata = 0;
6997 * Before actually writing the trailer, make sure that there are no
6998 * dangling subtitles, that need a terminating sample.
7000 for (i = 0; i < mov->nb_streams; i++) {
7001 MOVTrack *trk = &mov->tracks[i];
7002 if (trk->par->codec_id == AV_CODEC_ID_MOV_TEXT &&
7003 !trk->last_sample_is_subtitle_end) {
7004 mov_write_subtitle_end_packet(s, i, trk->track_duration);
7005 trk->last_sample_is_subtitle_end = 1;
7009 // If there were no chapters when the header was written, but there
7010 // are chapters now, write them in the trailer. This only works
7011 // when we are not doing fragments.
7012 if (!mov->chapter_track && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
7013 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters) {
7014 mov->chapter_track = mov->nb_streams++;
7015 if ((res = mov_create_chapter_track(s, mov->chapter_track)) < 0)
7020 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
7021 moov_pos = avio_tell(pb);
7023 /* Write size of mdat tag */
7024 if (mov->mdat_size + 8 <= UINT32_MAX) {
7025 avio_seek(pb, mov->mdat_pos, SEEK_SET);
7026 avio_wb32(pb, mov->mdat_size + 8);
7028 /* overwrite 'wide' placeholder atom */
7029 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
7030 /* special value: real atom size will be 64 bit value after
7033 ffio_wfourcc(pb, "mdat");
7034 avio_wb64(pb, mov->mdat_size + 16);
7036 avio_seek(pb, mov->reserved_moov_size > 0 ? mov->reserved_header_pos : moov_pos, SEEK_SET);
7038 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
7039 av_log(s, AV_LOG_INFO, "Starting second pass: moving the moov atom to the beginning of the file\n");
7040 res = shift_data(s);
7043 avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
7044 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
7046 } else if (mov->reserved_moov_size > 0) {
7048 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
7050 size = mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_header_pos);
7052 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
7053 return AVERROR(EINVAL);
7055 avio_wb32(pb, size);
7056 ffio_wfourcc(pb, "free");
7057 ffio_fill(pb, 0, size - 8);
7058 avio_seek(pb, moov_pos, SEEK_SET);
7060 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
7065 mov_auto_flush_fragment(s, 1);
7066 for (i = 0; i < mov->nb_streams; i++)
7067 mov->tracks[i].data_offset = 0;
7068 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX) {
7070 av_log(s, AV_LOG_INFO, "Starting second pass: inserting sidx atoms\n");
7071 res = shift_data(s);
7074 end = avio_tell(pb);
7075 avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
7076 mov_write_sidx_tags(pb, mov, -1, 0);
7077 avio_seek(pb, end, SEEK_SET);
7079 if (!(mov->flags & FF_MOV_FLAG_SKIP_TRAILER)) {
7080 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_TRAILER);
7081 res = mov_write_mfra_tag(pb, mov);
7090 static int mov_check_bitstream(struct AVFormatContext *s, const AVPacket *pkt)
7093 AVStream *st = s->streams[pkt->stream_index];
7095 if (st->codecpar->codec_id == AV_CODEC_ID_AAC) {
7096 if (pkt->size > 2 && (AV_RB16(pkt->data) & 0xfff0) == 0xfff0)
7097 ret = ff_stream_add_bitstream_filter(st, "aac_adtstoasc", NULL);
7098 } else if (st->codecpar->codec_id == AV_CODEC_ID_VP9) {
7099 ret = ff_stream_add_bitstream_filter(st, "vp9_superframe", NULL);
7105 static const AVCodecTag codec_3gp_tags[] = {
7106 { AV_CODEC_ID_H263, MKTAG('s','2','6','3') },
7107 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
7108 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
7109 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
7110 { AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
7111 { AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
7112 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
7113 { AV_CODEC_ID_NONE, 0 },
7116 const AVCodecTag codec_mp4_tags[] = {
7117 { AV_CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
7118 { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') },
7119 { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '3') },
7120 { AV_CODEC_ID_HEVC, MKTAG('h', 'e', 'v', '1') },
7121 { AV_CODEC_ID_HEVC, MKTAG('h', 'v', 'c', '1') },
7122 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', '4', 'v') },
7123 { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', '4', 'v') },
7124 { AV_CODEC_ID_MJPEG, MKTAG('m', 'p', '4', 'v') },
7125 { AV_CODEC_ID_PNG, MKTAG('m', 'p', '4', 'v') },
7126 { AV_CODEC_ID_JPEG2000, MKTAG('m', 'p', '4', 'v') },
7127 { AV_CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') },
7128 { AV_CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
7129 { AV_CODEC_ID_TSCC2, MKTAG('m', 'p', '4', 'v') },
7130 { AV_CODEC_ID_VP9, MKTAG('v', 'p', '0', '9') },
7131 { AV_CODEC_ID_AV1, MKTAG('a', 'v', '0', '1') },
7132 { AV_CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
7133 { AV_CODEC_ID_MP4ALS, MKTAG('m', 'p', '4', 'a') },
7134 { AV_CODEC_ID_MP3, MKTAG('m', 'p', '4', 'a') },
7135 { AV_CODEC_ID_MP2, MKTAG('m', 'p', '4', 'a') },
7136 { AV_CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') },
7137 { AV_CODEC_ID_EAC3, MKTAG('e', 'c', '-', '3') },
7138 { AV_CODEC_ID_DTS, MKTAG('m', 'p', '4', 'a') },
7139 { AV_CODEC_ID_TRUEHD, MKTAG('m', 'l', 'p', 'a') },
7140 { AV_CODEC_ID_FLAC, MKTAG('f', 'L', 'a', 'C') },
7141 { AV_CODEC_ID_OPUS, MKTAG('O', 'p', 'u', 's') },
7142 { AV_CODEC_ID_VORBIS, MKTAG('m', 'p', '4', 'a') },
7143 { AV_CODEC_ID_QCELP, MKTAG('m', 'p', '4', 'a') },
7144 { AV_CODEC_ID_EVRC, MKTAG('m', 'p', '4', 'a') },
7145 { AV_CODEC_ID_DVD_SUBTITLE, MKTAG('m', 'p', '4', 's') },
7146 { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
7147 { AV_CODEC_ID_BIN_DATA, MKTAG('g', 'p', 'm', 'd') },
7148 { AV_CODEC_ID_MPEGH_3D_AUDIO, MKTAG('m', 'h', 'm', '1') },
7149 { AV_CODEC_ID_NONE, 0 },
7152 const AVCodecTag codec_ism_tags[] = {
7153 { AV_CODEC_ID_WMAPRO , MKTAG('w', 'm', 'a', ' ') },
7154 { AV_CODEC_ID_NONE , 0 },
7157 static const AVCodecTag codec_ipod_tags[] = {
7158 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
7159 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
7160 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
7161 { AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') },
7162 { AV_CODEC_ID_AC3, MKTAG('a','c','-','3') },
7163 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
7164 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
7165 { AV_CODEC_ID_NONE, 0 },
7168 static const AVCodecTag codec_f4v_tags[] = {
7169 { AV_CODEC_ID_MP3, MKTAG('.','m','p','3') },
7170 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
7171 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
7172 { AV_CODEC_ID_VP6A, MKTAG('V','P','6','A') },
7173 { AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') },
7174 { AV_CODEC_ID_NONE, 0 },
7177 #if CONFIG_MOV_MUXER
7179 AVOutputFormat ff_mov_muxer = {
7181 .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
7182 .extensions = "mov",
7183 .priv_data_size = sizeof(MOVMuxContext),
7184 .audio_codec = AV_CODEC_ID_AAC,
7185 .video_codec = CONFIG_LIBX264_ENCODER ?
7186 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
7188 .write_header = mov_write_header,
7189 .write_packet = mov_write_packet,
7190 .write_trailer = mov_write_trailer,
7192 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7193 .codec_tag = (const AVCodecTag* const []){
7194 ff_codec_movvideo_tags, ff_codec_movaudio_tags, ff_codec_movsubtitle_tags, 0
7196 .check_bitstream = mov_check_bitstream,
7197 .priv_class = &mov_muxer_class,
7200 #if CONFIG_TGP_MUXER
7202 AVOutputFormat ff_tgp_muxer = {
7204 .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
7205 .extensions = "3gp",
7206 .priv_data_size = sizeof(MOVMuxContext),
7207 .audio_codec = AV_CODEC_ID_AMR_NB,
7208 .video_codec = AV_CODEC_ID_H263,
7210 .write_header = mov_write_header,
7211 .write_packet = mov_write_packet,
7212 .write_trailer = mov_write_trailer,
7214 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7215 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
7216 .check_bitstream = mov_check_bitstream,
7217 .priv_class = &tgp_muxer_class,
7220 #if CONFIG_MP4_MUXER
7222 AVOutputFormat ff_mp4_muxer = {
7224 .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
7225 .mime_type = "video/mp4",
7226 .extensions = "mp4",
7227 .priv_data_size = sizeof(MOVMuxContext),
7228 .audio_codec = AV_CODEC_ID_AAC,
7229 .video_codec = CONFIG_LIBX264_ENCODER ?
7230 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
7232 .write_header = mov_write_header,
7233 .write_packet = mov_write_packet,
7234 .write_trailer = mov_write_trailer,
7236 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7237 .codec_tag = (const AVCodecTag* const []){ codec_mp4_tags, 0 },
7238 .check_bitstream = mov_check_bitstream,
7239 .priv_class = &mp4_muxer_class,
7242 #if CONFIG_PSP_MUXER
7244 AVOutputFormat ff_psp_muxer = {
7246 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
7247 .extensions = "mp4,psp",
7248 .priv_data_size = sizeof(MOVMuxContext),
7249 .audio_codec = AV_CODEC_ID_AAC,
7250 .video_codec = CONFIG_LIBX264_ENCODER ?
7251 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
7253 .write_header = mov_write_header,
7254 .write_packet = mov_write_packet,
7255 .write_trailer = mov_write_trailer,
7257 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7258 .codec_tag = (const AVCodecTag* const []){ codec_mp4_tags, 0 },
7259 .check_bitstream = mov_check_bitstream,
7260 .priv_class = &psp_muxer_class,
7263 #if CONFIG_TG2_MUXER
7265 AVOutputFormat ff_tg2_muxer = {
7267 .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
7268 .extensions = "3g2",
7269 .priv_data_size = sizeof(MOVMuxContext),
7270 .audio_codec = AV_CODEC_ID_AMR_NB,
7271 .video_codec = AV_CODEC_ID_H263,
7273 .write_header = mov_write_header,
7274 .write_packet = mov_write_packet,
7275 .write_trailer = mov_write_trailer,
7277 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7278 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
7279 .check_bitstream = mov_check_bitstream,
7280 .priv_class = &tg2_muxer_class,
7283 #if CONFIG_IPOD_MUXER
7285 AVOutputFormat ff_ipod_muxer = {
7287 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
7288 .mime_type = "video/mp4",
7289 .extensions = "m4v,m4a,m4b",
7290 .priv_data_size = sizeof(MOVMuxContext),
7291 .audio_codec = AV_CODEC_ID_AAC,
7292 .video_codec = AV_CODEC_ID_H264,
7294 .write_header = mov_write_header,
7295 .write_packet = mov_write_packet,
7296 .write_trailer = mov_write_trailer,
7298 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7299 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
7300 .check_bitstream = mov_check_bitstream,
7301 .priv_class = &ipod_muxer_class,
7304 #if CONFIG_ISMV_MUXER
7306 AVOutputFormat ff_ismv_muxer = {
7308 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
7309 .mime_type = "video/mp4",
7310 .extensions = "ismv,isma",
7311 .priv_data_size = sizeof(MOVMuxContext),
7312 .audio_codec = AV_CODEC_ID_AAC,
7313 .video_codec = AV_CODEC_ID_H264,
7315 .write_header = mov_write_header,
7316 .write_packet = mov_write_packet,
7317 .write_trailer = mov_write_trailer,
7319 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7320 .codec_tag = (const AVCodecTag* const []){
7321 codec_mp4_tags, codec_ism_tags, 0 },
7322 .check_bitstream = mov_check_bitstream,
7323 .priv_class = &ismv_muxer_class,
7326 #if CONFIG_F4V_MUXER
7328 AVOutputFormat ff_f4v_muxer = {
7330 .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
7331 .mime_type = "application/f4v",
7332 .extensions = "f4v",
7333 .priv_data_size = sizeof(MOVMuxContext),
7334 .audio_codec = AV_CODEC_ID_AAC,
7335 .video_codec = AV_CODEC_ID_H264,
7337 .write_header = mov_write_header,
7338 .write_packet = mov_write_packet,
7339 .write_trailer = mov_write_trailer,
7341 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
7342 .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 },
7343 .check_bitstream = mov_check_bitstream,
7344 .priv_class = &f4v_muxer_class,