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);
652 // (FIXME should be max rate in any 1 sec window)
653 bit_rates.max_bit_rate = FFMAX(track->par->bit_rate,
654 bit_rates.avg_bit_rate);
656 // utilize values from properties if we have them available
658 bit_rates.max_bit_rate = FFMAX(bit_rates.max_bit_rate,
660 bit_rates.buffer_size = props->buffer_size / 8;
666 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
668 struct mpeg4_bit_rate_values bit_rates = calculate_mpeg4_bit_rates(track);
669 int64_t pos = avio_tell(pb);
670 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
672 avio_wb32(pb, 0); // size
673 ffio_wfourcc(pb, "esds");
674 avio_wb32(pb, 0); // Version
677 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
678 avio_wb16(pb, track->track_id);
679 avio_w8(pb, 0x00); // flags (= no flags)
681 // DecoderConfig descriptor
682 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
684 // Object type indication
685 if ((track->par->codec_id == AV_CODEC_ID_MP2 ||
686 track->par->codec_id == AV_CODEC_ID_MP3) &&
687 track->par->sample_rate > 24000)
688 avio_w8(pb, 0x6B); // 11172-3
690 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->par->codec_id));
692 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
693 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
694 if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
695 avio_w8(pb, (0x38 << 2) | 1); // flags (= NeroSubpicStream)
696 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
697 avio_w8(pb, 0x15); // flags (= Audiostream)
699 avio_w8(pb, 0x11); // flags (= Visualstream)
701 avio_wb24(pb, bit_rates.buffer_size); // Buffersize DB
702 avio_wb32(pb, bit_rates.max_bit_rate); // maxbitrate
703 avio_wb32(pb, bit_rates.avg_bit_rate);
705 if (track->vos_len) {
706 // DecoderSpecific info descriptor
707 put_descr(pb, 0x05, track->vos_len);
708 avio_write(pb, track->vos_data, track->vos_len);
712 put_descr(pb, 0x06, 1);
714 return update_size(pb, pos);
717 static int mov_pcm_le_gt16(enum AVCodecID codec_id)
719 return codec_id == AV_CODEC_ID_PCM_S24LE ||
720 codec_id == AV_CODEC_ID_PCM_S32LE ||
721 codec_id == AV_CODEC_ID_PCM_F32LE ||
722 codec_id == AV_CODEC_ID_PCM_F64LE;
725 static int mov_pcm_be_gt16(enum AVCodecID codec_id)
727 return codec_id == AV_CODEC_ID_PCM_S24BE ||
728 codec_id == AV_CODEC_ID_PCM_S32BE ||
729 codec_id == AV_CODEC_ID_PCM_F32BE ||
730 codec_id == AV_CODEC_ID_PCM_F64BE;
733 static int mov_write_ms_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
736 int64_t pos = avio_tell(pb);
738 avio_wl32(pb, track->tag); // store it byteswapped
739 track->par->codec_tag = av_bswap16(track->tag >> 16);
740 if ((ret = ff_put_wav_header(s, pb, track->par, 0)) < 0)
742 return update_size(pb, pos);
745 static int mov_write_wfex_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
748 int64_t pos = avio_tell(pb);
750 ffio_wfourcc(pb, "wfex");
751 if ((ret = ff_put_wav_header(s, pb, track->st->codecpar, FF_PUT_WAV_HEADER_FORCE_WAVEFORMATEX)) < 0)
753 return update_size(pb, pos);
756 static int mov_write_dfla_tag(AVIOContext *pb, MOVTrack *track)
758 int64_t pos = avio_tell(pb);
760 ffio_wfourcc(pb, "dfLa");
761 avio_w8(pb, 0); /* version */
762 avio_wb24(pb, 0); /* flags */
764 /* Expect the encoder to pass a METADATA_BLOCK_TYPE_STREAMINFO. */
765 if (track->par->extradata_size != FLAC_STREAMINFO_SIZE)
766 return AVERROR_INVALIDDATA;
768 /* TODO: Write other METADATA_BLOCK_TYPEs if the encoder makes them available. */
769 avio_w8(pb, 1 << 7 | FLAC_METADATA_TYPE_STREAMINFO); /* LastMetadataBlockFlag << 7 | BlockType */
770 avio_wb24(pb, track->par->extradata_size); /* Length */
771 avio_write(pb, track->par->extradata, track->par->extradata_size); /* BlockData[Length] */
773 return update_size(pb, pos);
776 static int mov_write_dops_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
778 int64_t pos = avio_tell(pb);
780 ffio_wfourcc(pb, "dOps");
781 avio_w8(pb, 0); /* Version */
782 if (track->par->extradata_size < 19) {
783 av_log(s, AV_LOG_ERROR, "invalid extradata size\n");
784 return AVERROR_INVALIDDATA;
786 /* extradata contains an Ogg OpusHead, other than byte-ordering and
787 OpusHead's preceeding magic/version, OpusSpecificBox is currently
789 avio_w8(pb, AV_RB8(track->par->extradata + 9)); /* OuputChannelCount */
790 avio_wb16(pb, AV_RL16(track->par->extradata + 10)); /* PreSkip */
791 avio_wb32(pb, AV_RL32(track->par->extradata + 12)); /* InputSampleRate */
792 avio_wb16(pb, AV_RL16(track->par->extradata + 16)); /* OutputGain */
793 /* Write the rest of the header out without byte-swapping. */
794 avio_write(pb, track->par->extradata + 18, track->par->extradata_size - 18);
796 return update_size(pb, pos);
799 static int mov_write_dmlp_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
801 int64_t pos = avio_tell(pb);
804 ffio_wfourcc(pb, "dmlp");
806 if (track->vos_len < 20) {
807 av_log(s, AV_LOG_ERROR,
808 "Cannot write moov atom before TrueHD packets."
809 " Set the delay_moov flag to fix this.\n");
810 return AVERROR(EINVAL);
813 length = (AV_RB16(track->vos_data) & 0xFFF) * 2;
814 if (length < 20 || length > track->vos_len)
815 return AVERROR_INVALIDDATA;
817 // Only TrueHD is supported
818 if (AV_RB32(track->vos_data + 4) != 0xF8726FBA)
819 return AVERROR_INVALIDDATA;
821 avio_wb32(pb, AV_RB32(track->vos_data + 8)); /* format_info */
822 avio_wb16(pb, AV_RB16(track->vos_data + 18) << 1); /* peak_data_rate */
823 avio_wb32(pb, 0); /* reserved */
825 return update_size(pb, pos);
828 static int mov_write_chan_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
830 uint32_t layout_tag, bitmap;
831 int64_t pos = avio_tell(pb);
833 layout_tag = ff_mov_get_channel_layout_tag(track->par->codec_id,
834 track->par->channel_layout,
837 av_log(s, AV_LOG_WARNING, "not writing 'chan' tag due to "
838 "lack of channel information\n");
842 if (track->multichannel_as_mono)
845 avio_wb32(pb, 0); // Size
846 ffio_wfourcc(pb, "chan"); // Type
847 avio_w8(pb, 0); // Version
848 avio_wb24(pb, 0); // Flags
849 avio_wb32(pb, layout_tag); // mChannelLayoutTag
850 avio_wb32(pb, bitmap); // mChannelBitmap
851 avio_wb32(pb, 0); // mNumberChannelDescriptions
853 return update_size(pb, pos);
856 static int mov_write_wave_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
858 int64_t pos = avio_tell(pb);
860 avio_wb32(pb, 0); /* size */
861 ffio_wfourcc(pb, "wave");
863 if (track->par->codec_id != AV_CODEC_ID_QDM2) {
864 avio_wb32(pb, 12); /* size */
865 ffio_wfourcc(pb, "frma");
866 avio_wl32(pb, track->tag);
869 if (track->par->codec_id == AV_CODEC_ID_AAC) {
870 /* useless atom needed by mplayer, ipod, not needed by quicktime */
871 avio_wb32(pb, 12); /* size */
872 ffio_wfourcc(pb, "mp4a");
874 mov_write_esds_tag(pb, track);
875 } else if (mov_pcm_le_gt16(track->par->codec_id)) {
876 mov_write_enda_tag(pb);
877 } else if (mov_pcm_be_gt16(track->par->codec_id)) {
878 mov_write_enda_tag_be(pb);
879 } else if (track->par->codec_id == AV_CODEC_ID_AMR_NB) {
880 mov_write_amr_tag(pb, track);
881 } else if (track->par->codec_id == AV_CODEC_ID_AC3) {
882 mov_write_ac3_tag(s, pb, track);
883 } else if (track->par->codec_id == AV_CODEC_ID_EAC3) {
884 mov_write_eac3_tag(s, pb, track);
885 } else if (track->par->codec_id == AV_CODEC_ID_ALAC ||
886 track->par->codec_id == AV_CODEC_ID_QDM2) {
887 mov_write_extradata_tag(pb, track);
888 } else if (track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
889 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
890 mov_write_ms_tag(s, pb, track);
893 avio_wb32(pb, 8); /* size */
894 avio_wb32(pb, 0); /* null tag */
896 return update_size(pb, pos);
899 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
902 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
903 int unescaped_size, seq_found = 0;
904 int level = 0, interlace = 0;
905 int packet_seq = track->vc1_info.packet_seq;
906 int packet_entry = track->vc1_info.packet_entry;
907 int slices = track->vc1_info.slices;
910 if (track->start_dts == AV_NOPTS_VALUE) {
911 /* No packets written yet, vc1_info isn't authoritative yet. */
912 /* Assume inline sequence and entry headers. */
913 packet_seq = packet_entry = 1;
914 av_log(NULL, AV_LOG_WARNING,
915 "moov atom written before any packets, unable to write correct "
916 "dvc1 atom. Set the delay_moov flag to fix this.\n");
919 unescaped = av_mallocz(track->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
921 return AVERROR(ENOMEM);
922 start = find_next_marker(track->vos_data, end);
923 for (next = start; next < end; start = next) {
926 next = find_next_marker(start + 4, end);
927 size = next - start - 4;
930 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
931 init_get_bits(&gb, unescaped, 8 * unescaped_size);
932 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
933 int profile = get_bits(&gb, 2);
934 if (profile != PROFILE_ADVANCED) {
936 return AVERROR(ENOSYS);
939 level = get_bits(&gb, 3);
940 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
942 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
943 skip_bits(&gb, 1); /* broadcast */
944 interlace = get_bits1(&gb);
945 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
950 return AVERROR(ENOSYS);
953 init_put_bits(&pbc, buf, 7);
954 /* VC1DecSpecStruc */
955 put_bits(&pbc, 4, 12); /* profile - advanced */
956 put_bits(&pbc, 3, level);
957 put_bits(&pbc, 1, 0); /* reserved */
958 /* VC1AdvDecSpecStruc */
959 put_bits(&pbc, 3, level);
960 put_bits(&pbc, 1, 0); /* cbr */
961 put_bits(&pbc, 6, 0); /* reserved */
962 put_bits(&pbc, 1, !interlace); /* no interlace */
963 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
964 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
965 put_bits(&pbc, 1, !slices); /* no slice code */
966 put_bits(&pbc, 1, 0); /* no bframe */
967 put_bits(&pbc, 1, 0); /* reserved */
970 if (track->st->avg_frame_rate.num > 0 && track->st->avg_frame_rate.den > 0)
971 put_bits32(&pbc, track->st->avg_frame_rate.num / track->st->avg_frame_rate.den);
973 put_bits32(&pbc, 0xffffffff);
975 flush_put_bits(&pbc);
982 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
984 uint8_t buf[7] = { 0 };
987 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
990 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
991 ffio_wfourcc(pb, "dvc1");
992 avio_write(pb, buf, sizeof(buf));
993 avio_write(pb, track->vos_data, track->vos_len);
998 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
1000 avio_wb32(pb, track->vos_len + 8);
1001 ffio_wfourcc(pb, "glbl");
1002 avio_write(pb, track->vos_data, track->vos_len);
1003 return 8 + track->vos_len;
1007 * Compute flags for 'lpcm' tag.
1008 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
1010 static int mov_get_lpcm_flags(enum AVCodecID codec_id)
1013 case AV_CODEC_ID_PCM_F32BE:
1014 case AV_CODEC_ID_PCM_F64BE:
1016 case AV_CODEC_ID_PCM_F32LE:
1017 case AV_CODEC_ID_PCM_F64LE:
1019 case AV_CODEC_ID_PCM_U8:
1021 case AV_CODEC_ID_PCM_S16BE:
1022 case AV_CODEC_ID_PCM_S24BE:
1023 case AV_CODEC_ID_PCM_S32BE:
1025 case AV_CODEC_ID_PCM_S8:
1026 case AV_CODEC_ID_PCM_S16LE:
1027 case AV_CODEC_ID_PCM_S24LE:
1028 case AV_CODEC_ID_PCM_S32LE:
1035 static int get_cluster_duration(MOVTrack *track, int cluster_idx)
1039 if (cluster_idx >= track->entry)
1042 if (cluster_idx + 1 == track->entry)
1043 next_dts = track->track_duration + track->start_dts;
1045 next_dts = track->cluster[cluster_idx + 1].dts;
1047 next_dts -= track->cluster[cluster_idx].dts;
1049 av_assert0(next_dts >= 0);
1050 av_assert0(next_dts <= INT_MAX);
1055 static int get_samples_per_packet(MOVTrack *track)
1057 int i, first_duration;
1059 // return track->par->frame_size;
1061 /* use 1 for raw PCM */
1062 if (!track->audio_vbr)
1065 /* check to see if duration is constant for all clusters */
1068 first_duration = get_cluster_duration(track, 0);
1069 for (i = 1; i < track->entry; i++) {
1070 if (get_cluster_duration(track, i) != first_duration)
1073 return first_duration;
1076 static int mov_write_btrt_tag(AVIOContext *pb, MOVTrack *track)
1078 int64_t pos = avio_tell(pb);
1079 struct mpeg4_bit_rate_values bit_rates = calculate_mpeg4_bit_rates(track);
1080 if (!bit_rates.max_bit_rate && !bit_rates.avg_bit_rate &&
1081 !bit_rates.buffer_size)
1082 // no useful data to be written, skip
1085 avio_wb32(pb, 0); /* size */
1086 ffio_wfourcc(pb, "btrt");
1088 avio_wb32(pb, bit_rates.buffer_size);
1089 avio_wb32(pb, bit_rates.max_bit_rate);
1090 avio_wb32(pb, bit_rates.avg_bit_rate);
1092 return update_size(pb, pos);
1095 static int mov_write_audio_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
1097 int64_t pos = avio_tell(pb);
1099 uint32_t tag = track->tag;
1102 if (track->mode == MODE_MOV) {
1103 if (track->timescale > UINT16_MAX || !track->par->channels) {
1104 if (mov_get_lpcm_flags(track->par->codec_id))
1105 tag = AV_RL32("lpcm");
1107 } else if (track->audio_vbr || mov_pcm_le_gt16(track->par->codec_id) ||
1108 mov_pcm_be_gt16(track->par->codec_id) ||
1109 track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
1110 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
1111 track->par->codec_id == AV_CODEC_ID_QDM2) {
1116 avio_wb32(pb, 0); /* size */
1117 if (mov->encryption_scheme != MOV_ENC_NONE) {
1118 ffio_wfourcc(pb, "enca");
1120 avio_wl32(pb, tag); // store it byteswapped
1122 avio_wb32(pb, 0); /* Reserved */
1123 avio_wb16(pb, 0); /* Reserved */
1124 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
1126 /* SoundDescription */
1127 avio_wb16(pb, version); /* Version */
1128 avio_wb16(pb, 0); /* Revision level */
1129 avio_wb32(pb, 0); /* Reserved */
1134 avio_wb16(pb, 0xfffe);
1136 avio_wb32(pb, 0x00010000);
1138 avio_wb64(pb, av_double2int(track->par->sample_rate));
1139 avio_wb32(pb, track->par->channels);
1140 avio_wb32(pb, 0x7F000000);
1141 avio_wb32(pb, av_get_bits_per_sample(track->par->codec_id));
1142 avio_wb32(pb, mov_get_lpcm_flags(track->par->codec_id));
1143 avio_wb32(pb, track->sample_size);
1144 avio_wb32(pb, get_samples_per_packet(track));
1146 if (track->mode == MODE_MOV) {
1147 avio_wb16(pb, track->par->channels);
1148 if (track->par->codec_id == AV_CODEC_ID_PCM_U8 ||
1149 track->par->codec_id == AV_CODEC_ID_PCM_S8)
1150 avio_wb16(pb, 8); /* bits per sample */
1151 else if (track->par->codec_id == AV_CODEC_ID_ADPCM_G726)
1152 avio_wb16(pb, track->par->bits_per_coded_sample);
1155 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
1156 } else { /* reserved for mp4/3gp */
1157 if (track->par->codec_id == AV_CODEC_ID_FLAC ||
1158 track->par->codec_id == AV_CODEC_ID_ALAC ||
1159 track->par->codec_id == AV_CODEC_ID_OPUS) {
1160 avio_wb16(pb, track->par->channels);
1164 if (track->par->codec_id == AV_CODEC_ID_FLAC ||
1165 track->par->codec_id == AV_CODEC_ID_ALAC) {
1166 avio_wb16(pb, track->par->bits_per_raw_sample);
1173 avio_wb16(pb, 0); /* packet size (= 0) */
1174 if (track->par->codec_id == AV_CODEC_ID_OPUS)
1175 avio_wb16(pb, 48000);
1176 else if (track->par->codec_id == AV_CODEC_ID_TRUEHD)
1177 avio_wb32(pb, track->par->sample_rate);
1179 avio_wb16(pb, track->par->sample_rate <= UINT16_MAX ?
1180 track->par->sample_rate : 0);
1182 if (track->par->codec_id != AV_CODEC_ID_TRUEHD)
1183 avio_wb16(pb, 0); /* Reserved */
1186 if (version == 1) { /* SoundDescription V1 extended info */
1187 if (mov_pcm_le_gt16(track->par->codec_id) ||
1188 mov_pcm_be_gt16(track->par->codec_id))
1189 avio_wb32(pb, 1); /* must be 1 for uncompressed formats */
1191 avio_wb32(pb, track->par->frame_size); /* Samples per packet */
1192 avio_wb32(pb, track->sample_size / track->par->channels); /* Bytes per packet */
1193 avio_wb32(pb, track->sample_size); /* Bytes per frame */
1194 avio_wb32(pb, 2); /* Bytes per sample */
1197 if (track->mode == MODE_MOV &&
1198 (track->par->codec_id == AV_CODEC_ID_AAC ||
1199 track->par->codec_id == AV_CODEC_ID_AC3 ||
1200 track->par->codec_id == AV_CODEC_ID_EAC3 ||
1201 track->par->codec_id == AV_CODEC_ID_AMR_NB ||
1202 track->par->codec_id == AV_CODEC_ID_ALAC ||
1203 track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
1204 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
1205 track->par->codec_id == AV_CODEC_ID_QDM2 ||
1206 (mov_pcm_le_gt16(track->par->codec_id) && version==1) ||
1207 (mov_pcm_be_gt16(track->par->codec_id) && version==1)))
1208 ret = mov_write_wave_tag(s, pb, track);
1209 else if (track->tag == MKTAG('m','p','4','a'))
1210 ret = mov_write_esds_tag(pb, track);
1211 else if (track->par->codec_id == AV_CODEC_ID_AMR_NB)
1212 ret = mov_write_amr_tag(pb, track);
1213 else if (track->par->codec_id == AV_CODEC_ID_AC3)
1214 ret = mov_write_ac3_tag(s, pb, track);
1215 else if (track->par->codec_id == AV_CODEC_ID_EAC3)
1216 ret = mov_write_eac3_tag(s, pb, track);
1217 else if (track->par->codec_id == AV_CODEC_ID_ALAC)
1218 ret = mov_write_extradata_tag(pb, track);
1219 else if (track->par->codec_id == AV_CODEC_ID_WMAPRO)
1220 ret = mov_write_wfex_tag(s, pb, track);
1221 else if (track->par->codec_id == AV_CODEC_ID_FLAC)
1222 ret = mov_write_dfla_tag(pb, track);
1223 else if (track->par->codec_id == AV_CODEC_ID_OPUS)
1224 ret = mov_write_dops_tag(s, pb, track);
1225 else if (track->par->codec_id == AV_CODEC_ID_TRUEHD)
1226 ret = mov_write_dmlp_tag(s, pb, track);
1227 else if (track->vos_len > 0)
1228 ret = mov_write_glbl_tag(pb, track);
1233 if (track->mode == MODE_MOV && track->par->codec_type == AVMEDIA_TYPE_AUDIO
1234 && ((ret = mov_write_chan_tag(s, pb, track)) < 0)) {
1238 if (mov->encryption_scheme != MOV_ENC_NONE
1239 && ((ret = ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid)) < 0)) {
1243 if (track->mode == MODE_MP4 &&
1244 ((ret = mov_write_btrt_tag(pb, track)) < 0))
1247 ret = update_size(pb, pos);
1251 static int mov_write_d263_tag(AVIOContext *pb)
1253 avio_wb32(pb, 0xf); /* size */
1254 ffio_wfourcc(pb, "d263");
1255 ffio_wfourcc(pb, "FFMP");
1256 avio_w8(pb, 0); /* decoder version */
1257 /* FIXME use AVCodecContext level/profile, when encoder will set values */
1258 avio_w8(pb, 0xa); /* level */
1259 avio_w8(pb, 0); /* profile */
1263 static int mov_write_av1c_tag(AVIOContext *pb, MOVTrack *track)
1265 int64_t pos = avio_tell(pb);
1268 ffio_wfourcc(pb, "av1C");
1269 ff_isom_write_av1c(pb, track->vos_data, track->vos_len);
1270 return update_size(pb, pos);
1273 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
1275 int64_t pos = avio_tell(pb);
1278 ffio_wfourcc(pb, "avcC");
1279 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
1280 return update_size(pb, pos);
1283 static int mov_write_vpcc_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
1285 int64_t pos = avio_tell(pb);
1288 ffio_wfourcc(pb, "vpcC");
1289 avio_w8(pb, 1); /* version */
1290 avio_wb24(pb, 0); /* flags */
1291 ff_isom_write_vpcc(s, pb, track->par);
1292 return update_size(pb, pos);
1295 static int mov_write_hvcc_tag(AVIOContext *pb, MOVTrack *track)
1297 int64_t pos = avio_tell(pb);
1300 ffio_wfourcc(pb, "hvcC");
1301 if (track->tag == MKTAG('h','v','c','1'))
1302 ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 1);
1304 ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 0);
1305 return update_size(pb, pos);
1308 /* also used by all avid codecs (dv, imx, meridien) and their variants */
1309 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
1314 int display_width = track->par->width;
1316 if (track->vos_data && track->vos_len > 0x29) {
1317 if (ff_dnxhd_parse_header_prefix(track->vos_data) != 0) {
1318 /* looks like a DNxHD bit stream */
1319 interlaced = (track->vos_data[5] & 2);
1320 cid = AV_RB32(track->vos_data + 0x28);
1322 av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream in vos_data\n");
1326 av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream, vos_data too small\n");
1330 avio_wb32(pb, 24); /* size */
1331 ffio_wfourcc(pb, "ACLR");
1332 ffio_wfourcc(pb, "ACLR");
1333 ffio_wfourcc(pb, "0001");
1334 if (track->par->color_range == AVCOL_RANGE_MPEG || /* Legal range (16-235) */
1335 track->par->color_range == AVCOL_RANGE_UNSPECIFIED) {
1336 avio_wb32(pb, 1); /* Corresponds to 709 in official encoder */
1337 } else { /* Full range (0-255) */
1338 avio_wb32(pb, 2); /* Corresponds to RGB in official encoder */
1340 avio_wb32(pb, 0); /* unknown */
1342 if (track->tag == MKTAG('A','V','d','h')) {
1344 ffio_wfourcc(pb, "ADHR");
1345 ffio_wfourcc(pb, "0001");
1347 avio_wb32(pb, 0); /* unknown */
1348 avio_wb32(pb, 1); /* unknown */
1349 avio_wb32(pb, 0); /* unknown */
1350 avio_wb32(pb, 0); /* unknown */
1354 avio_wb32(pb, 24); /* size */
1355 ffio_wfourcc(pb, "APRG");
1356 ffio_wfourcc(pb, "APRG");
1357 ffio_wfourcc(pb, "0001");
1358 avio_wb32(pb, 1); /* unknown */
1359 avio_wb32(pb, 0); /* unknown */
1361 avio_wb32(pb, 120); /* size */
1362 ffio_wfourcc(pb, "ARES");
1363 ffio_wfourcc(pb, "ARES");
1364 ffio_wfourcc(pb, "0001");
1365 avio_wb32(pb, cid); /* dnxhd cid, some id ? */
1366 if ( track->par->sample_aspect_ratio.num > 0
1367 && track->par->sample_aspect_ratio.den > 0)
1368 display_width = display_width * track->par->sample_aspect_ratio.num / track->par->sample_aspect_ratio.den;
1369 avio_wb32(pb, display_width);
1370 /* values below are based on samples created with quicktime and avid codecs */
1372 avio_wb32(pb, track->par->height / 2);
1373 avio_wb32(pb, 2); /* unknown */
1374 avio_wb32(pb, 0); /* unknown */
1375 avio_wb32(pb, 4); /* unknown */
1377 avio_wb32(pb, track->par->height);
1378 avio_wb32(pb, 1); /* unknown */
1379 avio_wb32(pb, 0); /* unknown */
1380 if (track->par->height == 1080)
1381 avio_wb32(pb, 5); /* unknown */
1383 avio_wb32(pb, 6); /* unknown */
1386 for (i = 0; i < 10; i++)
1392 static int mov_write_dpxe_tag(AVIOContext *pb, MOVTrack *track)
1395 ffio_wfourcc(pb, "DpxE");
1396 if (track->par->extradata_size >= 12 &&
1397 !memcmp(&track->par->extradata[4], "DpxE", 4)) {
1398 avio_wb32(pb, track->par->extradata[11]);
1405 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
1409 if (track->par->width == 720) { /* SD */
1410 if (track->par->height == 480) { /* NTSC */
1411 if (track->par->format == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
1412 else tag = MKTAG('d','v','c',' ');
1413 }else if (track->par->format == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
1414 else if (track->par->format == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
1415 else tag = MKTAG('d','v','p','p');
1416 } else if (track->par->height == 720) { /* HD 720 line */
1417 if (track->st->time_base.den == 50) tag = MKTAG('d','v','h','q');
1418 else tag = MKTAG('d','v','h','p');
1419 } else if (track->par->height == 1080) { /* HD 1080 line */
1420 if (track->st->time_base.den == 25) tag = MKTAG('d','v','h','5');
1421 else tag = MKTAG('d','v','h','6');
1423 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
1430 static AVRational find_fps(AVFormatContext *s, AVStream *st)
1432 AVRational rate = st->avg_frame_rate;
1434 #if FF_API_LAVF_AVCTX
1435 FF_DISABLE_DEPRECATION_WARNINGS
1436 rate = av_inv_q(st->codec->time_base);
1437 if (av_timecode_check_frame_rate(rate) < 0) {
1438 av_log(s, AV_LOG_DEBUG, "timecode: tbc=%d/%d invalid, fallback on %d/%d\n",
1439 rate.num, rate.den, st->avg_frame_rate.num, st->avg_frame_rate.den);
1440 rate = st->avg_frame_rate;
1442 FF_ENABLE_DEPRECATION_WARNINGS
1448 static int defined_frame_rate(AVFormatContext *s, AVStream *st)
1450 AVRational rational_framerate = find_fps(s, st);
1452 if (rational_framerate.den != 0)
1453 rate = av_q2d(rational_framerate);
1457 static int mov_get_mpeg2_xdcam_codec_tag(AVFormatContext *s, MOVTrack *track)
1459 int tag = track->par->codec_tag;
1460 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1461 AVStream *st = track->st;
1462 int rate = defined_frame_rate(s, st);
1465 tag = MKTAG('m', '2', 'v', '1'); //fallback tag
1467 if (track->par->format == AV_PIX_FMT_YUV420P) {
1468 if (track->par->width == 1280 && track->par->height == 720) {
1470 if (rate == 24) tag = MKTAG('x','d','v','4');
1471 else if (rate == 25) tag = MKTAG('x','d','v','5');
1472 else if (rate == 30) tag = MKTAG('x','d','v','1');
1473 else if (rate == 50) tag = MKTAG('x','d','v','a');
1474 else if (rate == 60) tag = MKTAG('x','d','v','9');
1476 } else if (track->par->width == 1440 && track->par->height == 1080) {
1478 if (rate == 24) tag = MKTAG('x','d','v','6');
1479 else if (rate == 25) tag = MKTAG('x','d','v','7');
1480 else if (rate == 30) tag = MKTAG('x','d','v','8');
1482 if (rate == 25) tag = MKTAG('x','d','v','3');
1483 else if (rate == 30) tag = MKTAG('x','d','v','2');
1485 } else if (track->par->width == 1920 && track->par->height == 1080) {
1487 if (rate == 24) tag = MKTAG('x','d','v','d');
1488 else if (rate == 25) tag = MKTAG('x','d','v','e');
1489 else if (rate == 30) tag = MKTAG('x','d','v','f');
1491 if (rate == 25) tag = MKTAG('x','d','v','c');
1492 else if (rate == 30) tag = MKTAG('x','d','v','b');
1495 } else if (track->par->format == AV_PIX_FMT_YUV422P) {
1496 if (track->par->width == 1280 && track->par->height == 720) {
1498 if (rate == 24) tag = MKTAG('x','d','5','4');
1499 else if (rate == 25) tag = MKTAG('x','d','5','5');
1500 else if (rate == 30) tag = MKTAG('x','d','5','1');
1501 else if (rate == 50) tag = MKTAG('x','d','5','a');
1502 else if (rate == 60) tag = MKTAG('x','d','5','9');
1504 } else if (track->par->width == 1920 && track->par->height == 1080) {
1506 if (rate == 24) tag = MKTAG('x','d','5','d');
1507 else if (rate == 25) tag = MKTAG('x','d','5','e');
1508 else if (rate == 30) tag = MKTAG('x','d','5','f');
1510 if (rate == 25) tag = MKTAG('x','d','5','c');
1511 else if (rate == 30) tag = MKTAG('x','d','5','b');
1519 static int mov_get_h264_codec_tag(AVFormatContext *s, MOVTrack *track)
1521 int tag = track->par->codec_tag;
1522 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1523 AVStream *st = track->st;
1524 int rate = defined_frame_rate(s, st);
1527 tag = MKTAG('a', 'v', 'c', 'i'); //fallback tag
1529 if (track->par->format == AV_PIX_FMT_YUV420P10) {
1530 if (track->par->width == 960 && track->par->height == 720) {
1532 if (rate == 24) tag = MKTAG('a','i','5','p');
1533 else if (rate == 25) tag = MKTAG('a','i','5','q');
1534 else if (rate == 30) tag = MKTAG('a','i','5','p');
1535 else if (rate == 50) tag = MKTAG('a','i','5','q');
1536 else if (rate == 60) tag = MKTAG('a','i','5','p');
1538 } else if (track->par->width == 1440 && track->par->height == 1080) {
1540 if (rate == 24) tag = MKTAG('a','i','5','3');
1541 else if (rate == 25) tag = MKTAG('a','i','5','2');
1542 else if (rate == 30) tag = MKTAG('a','i','5','3');
1544 if (rate == 50) tag = MKTAG('a','i','5','5');
1545 else if (rate == 60) tag = MKTAG('a','i','5','6');
1548 } else if (track->par->format == AV_PIX_FMT_YUV422P10) {
1549 if (track->par->width == 1280 && track->par->height == 720) {
1551 if (rate == 24) tag = MKTAG('a','i','1','p');
1552 else if (rate == 25) tag = MKTAG('a','i','1','q');
1553 else if (rate == 30) tag = MKTAG('a','i','1','p');
1554 else if (rate == 50) tag = MKTAG('a','i','1','q');
1555 else if (rate == 60) tag = MKTAG('a','i','1','p');
1557 } else if (track->par->width == 1920 && track->par->height == 1080) {
1559 if (rate == 24) tag = MKTAG('a','i','1','3');
1560 else if (rate == 25) tag = MKTAG('a','i','1','2');
1561 else if (rate == 30) tag = MKTAG('a','i','1','3');
1563 if (rate == 25) tag = MKTAG('a','i','1','5');
1564 else if (rate == 50) tag = MKTAG('a','i','1','5');
1565 else if (rate == 60) tag = MKTAG('a','i','1','6');
1567 } else if ( track->par->width == 4096 && track->par->height == 2160
1568 || track->par->width == 3840 && track->par->height == 2160
1569 || track->par->width == 2048 && track->par->height == 1080) {
1570 tag = MKTAG('a','i','v','x');
1577 static const struct {
1578 enum AVPixelFormat pix_fmt;
1581 } mov_pix_fmt_tags[] = {
1582 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','2'), 0 },
1583 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
1584 { AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
1585 { AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
1586 { AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
1587 { AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
1588 { AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
1589 { AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
1590 { AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
1591 { AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
1592 { AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
1593 { AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
1594 { AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
1595 { AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
1596 { AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
1599 static int mov_get_dnxhd_codec_tag(AVFormatContext *s, MOVTrack *track)
1601 int tag = MKTAG('A','V','d','n');
1602 if (track->par->profile != FF_PROFILE_UNKNOWN &&
1603 track->par->profile != FF_PROFILE_DNXHD)
1604 tag = MKTAG('A','V','d','h');
1608 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
1610 int tag = track->par->codec_tag;
1612 enum AVPixelFormat pix_fmt;
1614 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
1615 if (track->par->format == mov_pix_fmt_tags[i].pix_fmt) {
1616 tag = mov_pix_fmt_tags[i].tag;
1617 track->par->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
1618 if (track->par->codec_tag == mov_pix_fmt_tags[i].tag)
1623 pix_fmt = avpriv_find_pix_fmt(avpriv_pix_fmt_bps_mov,
1624 track->par->bits_per_coded_sample);
1625 if (tag == MKTAG('r','a','w',' ') &&
1626 track->par->format != pix_fmt &&
1627 track->par->format != AV_PIX_FMT_GRAY8 &&
1628 track->par->format != AV_PIX_FMT_NONE)
1629 av_log(s, AV_LOG_ERROR, "%s rawvideo cannot be written to mov, output file will be unreadable\n",
1630 av_get_pix_fmt_name(track->par->format));
1634 static unsigned int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1636 unsigned int tag = track->par->codec_tag;
1638 if (!tag || (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
1639 (track->par->codec_id == AV_CODEC_ID_DVVIDEO ||
1640 track->par->codec_id == AV_CODEC_ID_RAWVIDEO ||
1641 track->par->codec_id == AV_CODEC_ID_H263 ||
1642 track->par->codec_id == AV_CODEC_ID_H264 ||
1643 track->par->codec_id == AV_CODEC_ID_DNXHD ||
1644 track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO ||
1645 av_get_bits_per_sample(track->par->codec_id)))) { // pcm audio
1646 if (track->par->codec_id == AV_CODEC_ID_DVVIDEO)
1647 tag = mov_get_dv_codec_tag(s, track);
1648 else if (track->par->codec_id == AV_CODEC_ID_RAWVIDEO)
1649 tag = mov_get_rawvideo_codec_tag(s, track);
1650 else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO)
1651 tag = mov_get_mpeg2_xdcam_codec_tag(s, track);
1652 else if (track->par->codec_id == AV_CODEC_ID_H264)
1653 tag = mov_get_h264_codec_tag(s, track);
1654 else if (track->par->codec_id == AV_CODEC_ID_DNXHD)
1655 tag = mov_get_dnxhd_codec_tag(s, track);
1656 else if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
1657 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->par->codec_id);
1658 if (!tag) { // if no mac fcc found, try with Microsoft tags
1659 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->par->codec_id);
1661 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
1662 "the file may be unplayable!\n");
1664 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
1665 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->par->codec_id);
1666 if (!tag) { // if no mac fcc found, try with Microsoft tags
1667 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->par->codec_id);
1669 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
1670 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
1671 "the file may be unplayable!\n");
1674 } else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)
1675 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->par->codec_id);
1681 static const AVCodecTag codec_cover_image_tags[] = {
1682 { AV_CODEC_ID_MJPEG, 0xD },
1683 { AV_CODEC_ID_PNG, 0xE },
1684 { AV_CODEC_ID_BMP, 0x1B },
1685 { AV_CODEC_ID_NONE, 0 },
1688 static unsigned int validate_codec_tag(const AVCodecTag *const *tags,
1689 unsigned int tag, int codec_id)
1694 * Check that tag + id is in the table
1696 for (i = 0; tags && tags[i]; i++) {
1697 const AVCodecTag *codec_tags = tags[i];
1698 while (codec_tags->id != AV_CODEC_ID_NONE) {
1699 if (avpriv_toupper4(codec_tags->tag) == avpriv_toupper4(tag) &&
1700 codec_tags->id == codec_id)
1701 return codec_tags->tag;
1708 static unsigned int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
1710 if (is_cover_image(track->st))
1711 return ff_codec_get_tag(codec_cover_image_tags, track->par->codec_id);
1713 if (track->mode == MODE_IPOD)
1714 if (!av_match_ext(s->url, "m4a") &&
1715 !av_match_ext(s->url, "m4v") &&
1716 !av_match_ext(s->url, "m4b"))
1717 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
1718 "Quicktime/Ipod might not play the file\n");
1720 if (track->mode == MODE_MOV) {
1721 return mov_get_codec_tag(s, track);
1723 return validate_codec_tag(s->oformat->codec_tag, track->par->codec_tag,
1724 track->par->codec_id);
1727 /** Write uuid atom.
1728 * Needed to make file play in iPods running newest firmware
1729 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
1731 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
1734 ffio_wfourcc(pb, "uuid");
1735 avio_wb32(pb, 0x6b6840f2);
1736 avio_wb32(pb, 0x5f244fc5);
1737 avio_wb32(pb, 0xba39a51b);
1738 avio_wb32(pb, 0xcf0323f3);
1743 static const uint16_t fiel_data[] = {
1744 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
1747 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track, int field_order)
1749 unsigned mov_field_order = 0;
1750 if (field_order < FF_ARRAY_ELEMS(fiel_data))
1751 mov_field_order = fiel_data[field_order];
1755 ffio_wfourcc(pb, "fiel");
1756 avio_wb16(pb, mov_field_order);
1760 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
1762 int ret = AVERROR_BUG;
1763 int64_t pos = avio_tell(pb);
1764 avio_wb32(pb, 0); /* size */
1765 avio_wl32(pb, track->tag); // store it byteswapped
1766 avio_wb32(pb, 0); /* Reserved */
1767 avio_wb16(pb, 0); /* Reserved */
1768 avio_wb16(pb, 1); /* Data-reference index */
1770 if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
1771 mov_write_esds_tag(pb, track);
1772 else if (track->par->extradata_size)
1773 avio_write(pb, track->par->extradata, track->par->extradata_size);
1775 if (track->mode == MODE_MP4 &&
1776 ((ret = mov_write_btrt_tag(pb, track)) < 0))
1779 return update_size(pb, pos);
1782 static int mov_write_st3d_tag(AVFormatContext *s, AVIOContext *pb, AVStereo3D *stereo_3d)
1786 if (stereo_3d->flags != 0) {
1787 av_log(s, AV_LOG_WARNING, "Unsupported stereo_3d flags %x. st3d not written.\n", stereo_3d->flags);
1791 switch (stereo_3d->type) {
1792 case AV_STEREO3D_2D:
1795 case AV_STEREO3D_TOPBOTTOM:
1798 case AV_STEREO3D_SIDEBYSIDE:
1802 av_log(s, AV_LOG_WARNING, "Unsupported stereo_3d type %s. st3d not written.\n", av_stereo3d_type_name(stereo_3d->type));
1805 avio_wb32(pb, 13); /* size */
1806 ffio_wfourcc(pb, "st3d");
1807 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1808 avio_w8(pb, stereo_mode);
1812 static int mov_write_sv3d_tag(AVFormatContext *s, AVIOContext *pb, AVSphericalMapping *spherical_mapping)
1814 int64_t sv3d_pos, svhd_pos, proj_pos;
1815 const char* metadata_source = s->flags & AVFMT_FLAG_BITEXACT ? "Lavf" : LIBAVFORMAT_IDENT;
1817 if (spherical_mapping->projection != AV_SPHERICAL_EQUIRECTANGULAR &&
1818 spherical_mapping->projection != AV_SPHERICAL_EQUIRECTANGULAR_TILE &&
1819 spherical_mapping->projection != AV_SPHERICAL_CUBEMAP) {
1820 av_log(s, AV_LOG_WARNING, "Unsupported projection %d. sv3d not written.\n", spherical_mapping->projection);
1824 sv3d_pos = avio_tell(pb);
1825 avio_wb32(pb, 0); /* size */
1826 ffio_wfourcc(pb, "sv3d");
1828 svhd_pos = avio_tell(pb);
1829 avio_wb32(pb, 0); /* size */
1830 ffio_wfourcc(pb, "svhd");
1831 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1832 avio_put_str(pb, metadata_source);
1833 update_size(pb, svhd_pos);
1835 proj_pos = avio_tell(pb);
1836 avio_wb32(pb, 0); /* size */
1837 ffio_wfourcc(pb, "proj");
1839 avio_wb32(pb, 24); /* size */
1840 ffio_wfourcc(pb, "prhd");
1841 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1842 avio_wb32(pb, spherical_mapping->yaw);
1843 avio_wb32(pb, spherical_mapping->pitch);
1844 avio_wb32(pb, spherical_mapping->roll);
1846 switch (spherical_mapping->projection) {
1847 case AV_SPHERICAL_EQUIRECTANGULAR:
1848 case AV_SPHERICAL_EQUIRECTANGULAR_TILE:
1849 avio_wb32(pb, 28); /* size */
1850 ffio_wfourcc(pb, "equi");
1851 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1852 avio_wb32(pb, spherical_mapping->bound_top);
1853 avio_wb32(pb, spherical_mapping->bound_bottom);
1854 avio_wb32(pb, spherical_mapping->bound_left);
1855 avio_wb32(pb, spherical_mapping->bound_right);
1857 case AV_SPHERICAL_CUBEMAP:
1858 avio_wb32(pb, 20); /* size */
1859 ffio_wfourcc(pb, "cbmp");
1860 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1861 avio_wb32(pb, 0); /* layout */
1862 avio_wb32(pb, spherical_mapping->padding); /* padding */
1865 update_size(pb, proj_pos);
1867 return update_size(pb, sv3d_pos);
1870 static int mov_write_dvcc_dvvc_tag(AVFormatContext *s, AVIOContext *pb, AVDOVIDecoderConfigurationRecord *dovi)
1872 avio_wb32(pb, 32); /* size = 8 + 24 */
1873 if (dovi->dv_profile > 7)
1874 ffio_wfourcc(pb, "dvvC");
1876 ffio_wfourcc(pb, "dvcC");
1877 avio_w8(pb, dovi->dv_version_major);
1878 avio_w8(pb, dovi->dv_version_minor);
1879 avio_wb16(pb, (dovi->dv_profile << 9) | (dovi->dv_level << 3) |
1880 (dovi->rpu_present_flag << 2) | (dovi->el_present_flag << 1) |
1881 dovi->bl_present_flag);
1882 avio_wb32(pb, (dovi->dv_bl_signal_compatibility_id << 28) | 0);
1884 avio_wb32(pb, 0); /* reserved */
1885 avio_wb32(pb, 0); /* reserved */
1886 avio_wb32(pb, 0); /* reserved */
1887 avio_wb32(pb, 0); /* reserved */
1888 av_log(s, AV_LOG_DEBUG, "DOVI in %s box, version: %d.%d, profile: %d, level: %d, "
1889 "rpu flag: %d, el flag: %d, bl flag: %d, compatibility id: %d\n",
1890 dovi->dv_profile > 7 ? "dvvC" : "dvcC",
1891 dovi->dv_version_major, dovi->dv_version_minor,
1892 dovi->dv_profile, dovi->dv_level,
1893 dovi->rpu_present_flag,
1894 dovi->el_present_flag,
1895 dovi->bl_present_flag,
1896 dovi->dv_bl_signal_compatibility_id);
1897 return 32; /* 8 + 24 */
1900 static int mov_write_clap_tag(AVIOContext *pb, MOVTrack *track)
1903 ffio_wfourcc(pb, "clap");
1904 avio_wb32(pb, track->par->width); /* apertureWidth_N */
1905 avio_wb32(pb, 1); /* apertureWidth_D (= 1) */
1906 avio_wb32(pb, track->height); /* apertureHeight_N */
1907 avio_wb32(pb, 1); /* apertureHeight_D (= 1) */
1908 avio_wb32(pb, 0); /* horizOff_N (= 0) */
1909 avio_wb32(pb, 1); /* horizOff_D (= 1) */
1910 avio_wb32(pb, 0); /* vertOff_N (= 0) */
1911 avio_wb32(pb, 1); /* vertOff_D (= 1) */
1915 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
1918 av_reduce(&sar.num, &sar.den, track->par->sample_aspect_ratio.num,
1919 track->par->sample_aspect_ratio.den, INT_MAX);
1922 ffio_wfourcc(pb, "pasp");
1923 avio_wb32(pb, sar.num);
1924 avio_wb32(pb, sar.den);
1928 static int mov_write_gama_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track, double gamma)
1932 gamma = avpriv_get_gamma_from_trc(track->par->color_trc);
1934 av_log(s, AV_LOG_DEBUG, "gamma value %g\n", gamma);
1937 gama = (uint32_t)lrint((double)(1<<16) * gamma);
1938 av_log(s, AV_LOG_DEBUG, "writing gama value %"PRId32"\n", gama);
1940 av_assert0(track->mode == MODE_MOV);
1942 ffio_wfourcc(pb, "gama");
1943 avio_wb32(pb, gama);
1946 av_log(s, AV_LOG_WARNING, "gamma value unknown, unable to write gama atom\n");
1951 static int mov_write_colr_tag(AVIOContext *pb, MOVTrack *track, int prefer_icc)
1953 int64_t pos = avio_tell(pb);
1955 // Ref (MOV): https://developer.apple.com/library/mac/technotes/tn2162/_index.html#//apple_ref/doc/uid/DTS40013070-CH1-TNTAG9
1956 // Ref (MP4): ISO/IEC 14496-12:2012
1958 const uint8_t *icc_profile;
1959 int icc_profile_size;
1962 icc_profile = av_stream_get_side_data(track->st, AV_PKT_DATA_ICC_PROFILE, &icc_profile_size);
1965 avio_wb32(pb, 12 + icc_profile_size);
1966 ffio_wfourcc(pb, "colr");
1967 ffio_wfourcc(pb, "prof");
1968 avio_write(pb, icc_profile, icc_profile_size);
1969 return 12 + icc_profile_size;
1972 av_log(NULL, AV_LOG_INFO, "no ICC profile found, will write nclx/nclc colour info instead\n");
1976 /* We should only ever be called by MOV or MP4. */
1977 av_assert0(track->mode == MODE_MOV || track->mode == MODE_MP4);
1979 avio_wb32(pb, 0); /* size */
1980 ffio_wfourcc(pb, "colr");
1981 if (track->mode == MODE_MP4)
1982 ffio_wfourcc(pb, "nclx");
1984 ffio_wfourcc(pb, "nclc");
1985 // Do not try to guess the color info if it is AVCOL_PRI_UNSPECIFIED.
1986 // e.g., Dolby Vision for Apple devices should be set to AVCOL_PRI_UNSPECIFIED. See
1987 // https://developer.apple.com/av-foundation/High-Dynamic-Range-Metadata-for-Apple-Devices.pdf
1988 avio_wb16(pb, track->par->color_primaries);
1989 avio_wb16(pb, track->par->color_trc);
1990 avio_wb16(pb, track->par->color_space);
1991 if (track->mode == MODE_MP4) {
1992 int full_range = track->par->color_range == AVCOL_RANGE_JPEG;
1993 avio_w8(pb, full_range << 7);
1996 return update_size(pb, pos);
1999 static int mov_write_clli_tag(AVIOContext *pb, MOVTrack *track)
2001 const uint8_t *side_data;
2002 const AVContentLightMetadata *content_light_metadata;
2004 side_data = av_stream_get_side_data(track->st, AV_PKT_DATA_CONTENT_LIGHT_LEVEL, NULL);
2006 av_log(NULL, AV_LOG_VERBOSE, "Not writing 'clli' atom. No content light level info.\n");
2009 content_light_metadata = (const AVContentLightMetadata*)side_data;
2011 avio_wb32(pb, 12); // size
2012 ffio_wfourcc(pb, "clli");
2013 avio_wb16(pb, content_light_metadata->MaxCLL);
2014 avio_wb16(pb, content_light_metadata->MaxFALL);
2018 static inline int64_t rescale_mdcv(AVRational q, int b)
2020 return av_rescale(q.num, b, q.den);
2023 static int mov_write_mdcv_tag(AVIOContext *pb, MOVTrack *track)
2025 const int chroma_den = 50000;
2026 const int luma_den = 10000;
2027 const uint8_t *side_data;
2028 const AVMasteringDisplayMetadata *metadata;
2030 side_data = av_stream_get_side_data(track->st, AV_PKT_DATA_MASTERING_DISPLAY_METADATA, NULL);
2031 metadata = (const AVMasteringDisplayMetadata*)side_data;
2032 if (!metadata || !metadata->has_primaries || !metadata->has_luminance) {
2033 av_log(NULL, AV_LOG_VERBOSE, "Not writing 'mdcv' atom. Missing mastering metadata.\n");
2037 avio_wb32(pb, 32); // size
2038 ffio_wfourcc(pb, "mdcv");
2039 avio_wb16(pb, rescale_mdcv(metadata->display_primaries[1][0], chroma_den));
2040 avio_wb16(pb, rescale_mdcv(metadata->display_primaries[1][1], chroma_den));
2041 avio_wb16(pb, rescale_mdcv(metadata->display_primaries[2][0], chroma_den));
2042 avio_wb16(pb, rescale_mdcv(metadata->display_primaries[2][1], chroma_den));
2043 avio_wb16(pb, rescale_mdcv(metadata->display_primaries[0][0], chroma_den));
2044 avio_wb16(pb, rescale_mdcv(metadata->display_primaries[0][1], chroma_den));
2045 avio_wb16(pb, rescale_mdcv(metadata->white_point[0], chroma_den));
2046 avio_wb16(pb, rescale_mdcv(metadata->white_point[1], chroma_den));
2047 avio_wb32(pb, rescale_mdcv(metadata->max_luminance, luma_den));
2048 avio_wb32(pb, rescale_mdcv(metadata->min_luminance, luma_den));
2052 static void find_compressor(char * compressor_name, int len, MOVTrack *track)
2054 AVDictionaryEntry *encoder;
2055 int xdcam_res = (track->par->width == 1280 && track->par->height == 720)
2056 || (track->par->width == 1440 && track->par->height == 1080)
2057 || (track->par->width == 1920 && track->par->height == 1080);
2059 if (track->mode == MODE_MOV &&
2060 (encoder = av_dict_get(track->st->metadata, "encoder", NULL, 0))) {
2061 av_strlcpy(compressor_name, encoder->value, 32);
2062 } else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO && xdcam_res) {
2063 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
2064 AVStream *st = track->st;
2065 int rate = defined_frame_rate(NULL, st);
2066 av_strlcatf(compressor_name, len, "XDCAM");
2067 if (track->par->format == AV_PIX_FMT_YUV422P) {
2068 av_strlcatf(compressor_name, len, " HD422");
2069 } else if(track->par->width == 1440) {
2070 av_strlcatf(compressor_name, len, " HD");
2072 av_strlcatf(compressor_name, len, " EX");
2074 av_strlcatf(compressor_name, len, " %d%c", track->par->height, interlaced ? 'i' : 'p');
2076 av_strlcatf(compressor_name, len, "%d", rate * (interlaced + 1));
2080 static int mov_write_video_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2082 int ret = AVERROR_BUG;
2083 int64_t pos = avio_tell(pb);
2084 char compressor_name[32] = { 0 };
2087 int uncompressed_ycbcr = ((track->par->codec_id == AV_CODEC_ID_RAWVIDEO && track->par->format == AV_PIX_FMT_UYVY422)
2088 || (track->par->codec_id == AV_CODEC_ID_RAWVIDEO && track->par->format == AV_PIX_FMT_YUYV422)
2089 || track->par->codec_id == AV_CODEC_ID_V308
2090 || track->par->codec_id == AV_CODEC_ID_V408
2091 || track->par->codec_id == AV_CODEC_ID_V410
2092 || track->par->codec_id == AV_CODEC_ID_V210);
2094 avio_wb32(pb, 0); /* size */
2095 if (mov->encryption_scheme != MOV_ENC_NONE) {
2096 ffio_wfourcc(pb, "encv");
2098 avio_wl32(pb, track->tag); // store it byteswapped
2100 avio_wb32(pb, 0); /* Reserved */
2101 avio_wb16(pb, 0); /* Reserved */
2102 avio_wb16(pb, 1); /* Data-reference index */
2104 if (uncompressed_ycbcr) {
2105 avio_wb16(pb, 2); /* Codec stream version */
2107 avio_wb16(pb, 0); /* Codec stream version */
2109 avio_wb16(pb, 0); /* Codec stream revision (=0) */
2110 if (track->mode == MODE_MOV) {
2111 ffio_wfourcc(pb, "FFMP"); /* Vendor */
2112 if (track->par->codec_id == AV_CODEC_ID_RAWVIDEO || uncompressed_ycbcr) {
2113 avio_wb32(pb, 0); /* Temporal Quality */
2114 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
2116 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
2117 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
2120 avio_wb32(pb, 0); /* Reserved */
2121 avio_wb32(pb, 0); /* Reserved */
2122 avio_wb32(pb, 0); /* Reserved */
2124 avio_wb16(pb, track->par->width); /* Video width */
2125 avio_wb16(pb, track->height); /* Video height */
2126 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
2127 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
2128 avio_wb32(pb, 0); /* Data size (= 0) */
2129 avio_wb16(pb, 1); /* Frame count (= 1) */
2131 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
2132 find_compressor(compressor_name, 32, track);
2133 avio_w8(pb, strlen(compressor_name));
2134 avio_write(pb, compressor_name, 31);
2136 if (track->mode == MODE_MOV &&
2137 (track->par->codec_id == AV_CODEC_ID_V410 || track->par->codec_id == AV_CODEC_ID_V210))
2138 avio_wb16(pb, 0x18);
2139 else if (track->mode == MODE_MOV && track->par->bits_per_coded_sample)
2140 avio_wb16(pb, track->par->bits_per_coded_sample |
2141 (track->par->format == AV_PIX_FMT_GRAY8 ? 0x20 : 0));
2143 avio_wb16(pb, 0x18); /* Reserved */
2145 if (track->mode == MODE_MOV && track->par->format == AV_PIX_FMT_PAL8) {
2146 int pal_size = 1 << track->par->bits_per_coded_sample;
2148 avio_wb16(pb, 0); /* Color table ID */
2149 avio_wb32(pb, 0); /* Color table seed */
2150 avio_wb16(pb, 0x8000); /* Color table flags */
2151 avio_wb16(pb, pal_size - 1); /* Color table size (zero-relative) */
2152 for (i = 0; i < pal_size; i++) {
2153 uint32_t rgb = track->palette[i];
2154 uint16_t r = (rgb >> 16) & 0xff;
2155 uint16_t g = (rgb >> 8) & 0xff;
2156 uint16_t b = rgb & 0xff;
2158 avio_wb16(pb, (r << 8) | r);
2159 avio_wb16(pb, (g << 8) | g);
2160 avio_wb16(pb, (b << 8) | b);
2163 avio_wb16(pb, 0xffff); /* Reserved */
2165 if (track->tag == MKTAG('m','p','4','v'))
2166 mov_write_esds_tag(pb, track);
2167 else if (track->par->codec_id == AV_CODEC_ID_H263)
2168 mov_write_d263_tag(pb);
2169 else if (track->par->codec_id == AV_CODEC_ID_AVUI ||
2170 track->par->codec_id == AV_CODEC_ID_SVQ3) {
2171 mov_write_extradata_tag(pb, track);
2173 } else if (track->par->codec_id == AV_CODEC_ID_DNXHD) {
2174 mov_write_avid_tag(pb, track);
2176 } else if (track->par->codec_id == AV_CODEC_ID_HEVC)
2177 mov_write_hvcc_tag(pb, track);
2178 else if (track->par->codec_id == AV_CODEC_ID_H264 && !TAG_IS_AVCI(track->tag)) {
2179 mov_write_avcc_tag(pb, track);
2180 if (track->mode == MODE_IPOD)
2181 mov_write_uuid_tag_ipod(pb);
2182 } else if (track->par->codec_id == AV_CODEC_ID_VP9) {
2183 mov_write_vpcc_tag(mov->fc, pb, track);
2184 } else if (track->par->codec_id == AV_CODEC_ID_AV1) {
2185 mov_write_av1c_tag(pb, track);
2186 } else if (track->par->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
2187 mov_write_dvc1_tag(pb, track);
2188 else if (track->par->codec_id == AV_CODEC_ID_VP6F ||
2189 track->par->codec_id == AV_CODEC_ID_VP6A) {
2190 /* Don't write any potential extradata here - the cropping
2191 * is signalled via the normal width/height fields. */
2192 } else if (track->par->codec_id == AV_CODEC_ID_R10K) {
2193 if (track->par->codec_tag == MKTAG('R','1','0','k'))
2194 mov_write_dpxe_tag(pb, track);
2195 } else if (track->vos_len > 0)
2196 mov_write_glbl_tag(pb, track);
2198 if (track->par->codec_id != AV_CODEC_ID_H264 &&
2199 track->par->codec_id != AV_CODEC_ID_MPEG4 &&
2200 track->par->codec_id != AV_CODEC_ID_DNXHD) {
2201 int field_order = track->par->field_order;
2203 #if FF_API_LAVF_AVCTX
2204 FF_DISABLE_DEPRECATION_WARNINGS
2205 if (field_order != track->st->codec->field_order && track->st->codec->field_order != AV_FIELD_UNKNOWN)
2206 field_order = track->st->codec->field_order;
2207 FF_ENABLE_DEPRECATION_WARNINGS
2210 if (field_order != AV_FIELD_UNKNOWN)
2211 mov_write_fiel_tag(pb, track, field_order);
2214 if (mov->flags & FF_MOV_FLAG_WRITE_GAMA) {
2215 if (track->mode == MODE_MOV)
2216 mov_write_gama_tag(s, pb, track, mov->gamma);
2218 av_log(mov->fc, AV_LOG_WARNING, "Not writing 'gama' atom. Format is not MOV.\n");
2220 if (track->mode == MODE_MOV || track->mode == MODE_MP4) {
2221 int has_color_info = track->par->color_primaries != AVCOL_PRI_UNSPECIFIED &&
2222 track->par->color_trc != AVCOL_TRC_UNSPECIFIED &&
2223 track->par->color_space != AVCOL_SPC_UNSPECIFIED;
2224 if (has_color_info || mov->flags & FF_MOV_FLAG_WRITE_COLR ||
2225 av_stream_get_side_data(track->st, AV_PKT_DATA_ICC_PROFILE, NULL)) {
2226 int prefer_icc = mov->flags & FF_MOV_FLAG_PREFER_ICC || !has_color_info;
2227 mov_write_colr_tag(pb, track, prefer_icc);
2228 } else if (mov->flags & FF_MOV_FLAG_WRITE_COLR) {
2229 av_log(mov->fc, AV_LOG_WARNING, "Not writing 'colr' atom. Format is not MOV or MP4.\n");
2232 if (track->mode == MODE_MOV || track->mode == MODE_MP4) {
2233 mov_write_clli_tag(pb, track);
2234 mov_write_mdcv_tag(pb, track);
2237 if (track->mode == MODE_MP4 && mov->fc->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
2238 AVStereo3D* stereo_3d = (AVStereo3D*) av_stream_get_side_data(track->st, AV_PKT_DATA_STEREO3D, NULL);
2239 AVSphericalMapping* spherical_mapping = (AVSphericalMapping*)av_stream_get_side_data(track->st, AV_PKT_DATA_SPHERICAL, NULL);
2240 AVDOVIDecoderConfigurationRecord *dovi = (AVDOVIDecoderConfigurationRecord *)
2241 av_stream_get_side_data(track->st, AV_PKT_DATA_DOVI_CONF, NULL);;
2244 mov_write_st3d_tag(s, pb, stereo_3d);
2245 if (spherical_mapping)
2246 mov_write_sv3d_tag(mov->fc, pb, spherical_mapping);
2248 mov_write_dvcc_dvvc_tag(s, pb, dovi);
2251 if (track->par->sample_aspect_ratio.den && track->par->sample_aspect_ratio.num) {
2252 mov_write_pasp_tag(pb, track);
2255 if (uncompressed_ycbcr){
2256 mov_write_clap_tag(pb, track);
2259 if (mov->encryption_scheme != MOV_ENC_NONE) {
2260 ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid);
2263 if (track->mode == MODE_MP4 &&
2264 ((ret = mov_write_btrt_tag(pb, track)) < 0))
2267 /* extra padding for avid stsd */
2268 /* https://developer.apple.com/library/mac/documentation/QuickTime/QTFF/QTFFChap2/qtff2.html#//apple_ref/doc/uid/TP40000939-CH204-61112 */
2272 return update_size(pb, pos);
2275 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
2277 int64_t pos = avio_tell(pb);
2278 avio_wb32(pb, 0); /* size */
2279 ffio_wfourcc(pb, "rtp ");
2280 avio_wb32(pb, 0); /* Reserved */
2281 avio_wb16(pb, 0); /* Reserved */
2282 avio_wb16(pb, 1); /* Data-reference index */
2284 avio_wb16(pb, 1); /* Hint track version */
2285 avio_wb16(pb, 1); /* Highest compatible version */
2286 avio_wb32(pb, track->max_packet_size); /* Max packet size */
2288 avio_wb32(pb, 12); /* size */
2289 ffio_wfourcc(pb, "tims");
2290 avio_wb32(pb, track->timescale);
2292 return update_size(pb, pos);
2295 static int mov_write_source_reference_tag(AVIOContext *pb, MOVTrack *track, const char *reel_name)
2297 uint64_t str_size =strlen(reel_name);
2298 int64_t pos = avio_tell(pb);
2300 if (str_size >= UINT16_MAX){
2301 av_log(NULL, AV_LOG_ERROR, "reel_name length %"PRIu64" is too large\n", str_size);
2303 return AVERROR(EINVAL);
2306 avio_wb32(pb, 0); /* size */
2307 ffio_wfourcc(pb, "name"); /* Data format */
2308 avio_wb16(pb, str_size); /* string size */
2309 avio_wb16(pb, track->language); /* langcode */
2310 avio_write(pb, reel_name, str_size); /* reel name */
2311 return update_size(pb,pos);
2314 static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
2316 int64_t pos = avio_tell(pb);
2320 AVDictionaryEntry *t = NULL;
2322 if (!track->st->avg_frame_rate.num || !track->st->avg_frame_rate.den) {
2323 #if FF_API_LAVF_AVCTX
2324 FF_DISABLE_DEPRECATION_WARNINGS
2325 frame_duration = av_rescale(track->timescale, track->st->codec->time_base.num, track->st->codec->time_base.den);
2326 nb_frames = ROUNDED_DIV(track->st->codec->time_base.den, track->st->codec->time_base.num);
2327 FF_ENABLE_DEPRECATION_WARNINGS
2329 av_log(NULL, AV_LOG_ERROR, "avg_frame_rate not set for tmcd track.\n");
2330 return AVERROR(EINVAL);
2333 frame_duration = av_rescale(track->timescale, track->st->avg_frame_rate.num, track->st->avg_frame_rate.den);
2334 nb_frames = ROUNDED_DIV(track->st->avg_frame_rate.den, track->st->avg_frame_rate.num);
2337 if (nb_frames > 255) {
2338 av_log(NULL, AV_LOG_ERROR, "fps %d is too large\n", nb_frames);
2339 return AVERROR(EINVAL);
2342 avio_wb32(pb, 0); /* size */
2343 ffio_wfourcc(pb, "tmcd"); /* Data format */
2344 avio_wb32(pb, 0); /* Reserved */
2345 avio_wb32(pb, 1); /* Data reference index */
2346 avio_wb32(pb, 0); /* Flags */
2347 avio_wb32(pb, track->timecode_flags); /* Flags (timecode) */
2348 avio_wb32(pb, track->timescale); /* Timescale */
2349 avio_wb32(pb, frame_duration); /* Frame duration */
2350 avio_w8(pb, nb_frames); /* Number of frames */
2351 avio_w8(pb, 0); /* Reserved */
2353 t = av_dict_get(track->st->metadata, "reel_name", NULL, 0);
2354 if (t && utf8len(t->value) && track->mode != MODE_MP4)
2355 mov_write_source_reference_tag(pb, track, t->value);
2357 avio_wb16(pb, 0); /* zero size */
2360 avio_wb32(pb, 0); /* size */
2361 ffio_wfourcc(pb, "tmcd"); /* Data format */
2362 avio_wb32(pb, 0); /* Reserved */
2363 avio_wb32(pb, 1); /* Data reference index */
2364 if (track->par->extradata_size)
2365 avio_write(pb, track->par->extradata, track->par->extradata_size);
2367 return update_size(pb, pos);
2370 static int mov_write_gpmd_tag(AVIOContext *pb, const MOVTrack *track)
2372 int64_t pos = avio_tell(pb);
2373 avio_wb32(pb, 0); /* size */
2374 ffio_wfourcc(pb, "gpmd");
2375 avio_wb32(pb, 0); /* Reserved */
2376 avio_wb16(pb, 0); /* Reserved */
2377 avio_wb16(pb, 1); /* Data-reference index */
2378 avio_wb32(pb, 0); /* Reserved */
2379 return update_size(pb, pos);
2382 static int mov_write_stsd_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2384 int64_t pos = avio_tell(pb);
2386 avio_wb32(pb, 0); /* size */
2387 ffio_wfourcc(pb, "stsd");
2388 avio_wb32(pb, 0); /* version & flags */
2389 avio_wb32(pb, 1); /* entry count */
2390 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO)
2391 ret = mov_write_video_tag(s, pb, mov, track);
2392 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2393 ret = mov_write_audio_tag(s, pb, mov, track);
2394 else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)
2395 ret = mov_write_subtitle_tag(pb, track);
2396 else if (track->par->codec_tag == MKTAG('r','t','p',' '))
2397 ret = mov_write_rtp_tag(pb, track);
2398 else if (track->par->codec_tag == MKTAG('t','m','c','d'))
2399 ret = mov_write_tmcd_tag(pb, track);
2400 else if (track->par->codec_tag == MKTAG('g','p','m','d'))
2401 ret = mov_write_gpmd_tag(pb, track);
2406 return update_size(pb, pos);
2409 static int mov_write_ctts_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
2411 MOVMuxContext *mov = s->priv_data;
2412 MOVStts *ctts_entries;
2413 uint32_t entries = 0;
2417 ctts_entries = av_malloc_array((track->entry + 1), sizeof(*ctts_entries)); /* worst case */
2419 return AVERROR(ENOMEM);
2420 ctts_entries[0].count = 1;
2421 ctts_entries[0].duration = track->cluster[0].cts;
2422 for (i = 1; i < track->entry; i++) {
2423 if (track->cluster[i].cts == ctts_entries[entries].duration) {
2424 ctts_entries[entries].count++; /* compress */
2427 ctts_entries[entries].duration = track->cluster[i].cts;
2428 ctts_entries[entries].count = 1;
2431 entries++; /* last one */
2432 atom_size = 16 + (entries * 8);
2433 avio_wb32(pb, atom_size); /* size */
2434 ffio_wfourcc(pb, "ctts");
2435 if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
2436 avio_w8(pb, 1); /* version */
2438 avio_w8(pb, 0); /* version */
2439 avio_wb24(pb, 0); /* flags */
2440 avio_wb32(pb, entries); /* entry count */
2441 for (i = 0; i < entries; i++) {
2442 avio_wb32(pb, ctts_entries[i].count);
2443 avio_wb32(pb, ctts_entries[i].duration);
2445 av_free(ctts_entries);
2449 /* Time to sample atom */
2450 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
2452 MOVStts *stts_entries = NULL;
2453 uint32_t entries = -1;
2457 if (track->par->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
2458 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
2460 return AVERROR(ENOMEM);
2461 stts_entries[0].count = track->sample_count;
2462 stts_entries[0].duration = 1;
2466 stts_entries = av_malloc_array(track->entry, sizeof(*stts_entries)); /* worst case */
2468 return AVERROR(ENOMEM);
2470 for (i = 0; i < track->entry; i++) {
2471 int duration = get_cluster_duration(track, i);
2472 if (i && duration == stts_entries[entries].duration) {
2473 stts_entries[entries].count++; /* compress */
2476 stts_entries[entries].duration = duration;
2477 stts_entries[entries].count = 1;
2480 entries++; /* last one */
2482 atom_size = 16 + (entries * 8);
2483 avio_wb32(pb, atom_size); /* size */
2484 ffio_wfourcc(pb, "stts");
2485 avio_wb32(pb, 0); /* version & flags */
2486 avio_wb32(pb, entries); /* entry count */
2487 for (i = 0; i < entries; i++) {
2488 avio_wb32(pb, stts_entries[i].count);
2489 avio_wb32(pb, stts_entries[i].duration);
2491 av_free(stts_entries);
2495 static int mov_write_dref_tag(AVIOContext *pb)
2497 avio_wb32(pb, 28); /* size */
2498 ffio_wfourcc(pb, "dref");
2499 avio_wb32(pb, 0); /* version & flags */
2500 avio_wb32(pb, 1); /* entry count */
2502 avio_wb32(pb, 0xc); /* size */
2503 //FIXME add the alis and rsrc atom
2504 ffio_wfourcc(pb, "url ");
2505 avio_wb32(pb, 1); /* version & flags */
2510 static int mov_preroll_write_stbl_atoms(AVIOContext *pb, MOVTrack *track)
2514 int16_t roll_distance;
2515 int group_description_index;
2518 struct sgpd_entry *sgpd_entries = NULL;
2523 const int OPUS_SEEK_PREROLL_MS = 80;
2524 int roll_samples = av_rescale_q(OPUS_SEEK_PREROLL_MS,
2525 (AVRational){1, 1000},
2526 (AVRational){1, 48000});
2531 sgpd_entries = av_malloc_array(track->entry, sizeof(*sgpd_entries));
2533 return AVERROR(ENOMEM);
2535 av_assert0(track->par->codec_id == AV_CODEC_ID_OPUS || track->par->codec_id == AV_CODEC_ID_AAC);
2537 if (track->par->codec_id == AV_CODEC_ID_OPUS) {
2538 for (i = 0; i < track->entry; i++) {
2539 int roll_samples_remaining = roll_samples;
2541 for (j = i - 1; j >= 0; j--) {
2542 roll_samples_remaining -= get_cluster_duration(track, j);
2544 if (roll_samples_remaining <= 0)
2547 /* We don't have enough preceeding samples to compute a valid
2548 roll_distance here, so this sample can't be independently
2550 if (roll_samples_remaining > 0)
2552 /* Verify distance is a maximum of 32 (2.5ms) packets. */
2554 return AVERROR_INVALIDDATA;
2555 if (i && distance == sgpd_entries[entries].roll_distance) {
2556 sgpd_entries[entries].count++;
2559 sgpd_entries[entries].count = 1;
2560 sgpd_entries[entries].roll_distance = distance;
2561 sgpd_entries[entries].group_description_index = distance ? ++group : 0;
2566 sgpd_entries[entries].count = track->sample_count;
2567 sgpd_entries[entries].roll_distance = 1;
2568 sgpd_entries[entries].group_description_index = ++group;
2573 av_free(sgpd_entries);
2577 /* Write sgpd tag */
2578 avio_wb32(pb, 24 + (group * 2)); /* size */
2579 ffio_wfourcc(pb, "sgpd");
2580 avio_wb32(pb, 1 << 24); /* fullbox */
2581 ffio_wfourcc(pb, "roll");
2582 avio_wb32(pb, 2); /* default_length */
2583 avio_wb32(pb, group); /* entry_count */
2584 for (i = 0; i < entries; i++) {
2585 if (sgpd_entries[i].group_description_index) {
2586 avio_wb16(pb, -sgpd_entries[i].roll_distance); /* roll_distance */
2590 /* Write sbgp tag */
2591 avio_wb32(pb, 20 + (entries * 8)); /* size */
2592 ffio_wfourcc(pb, "sbgp");
2593 avio_wb32(pb, 0); /* fullbox */
2594 ffio_wfourcc(pb, "roll");
2595 avio_wb32(pb, entries); /* entry_count */
2596 for (i = 0; i < entries; i++) {
2597 avio_wb32(pb, sgpd_entries[i].count); /* sample_count */
2598 avio_wb32(pb, sgpd_entries[i].group_description_index); /* group_description_index */
2601 av_free(sgpd_entries);
2605 static int mov_write_stbl_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2607 int64_t pos = avio_tell(pb);
2610 avio_wb32(pb, 0); /* size */
2611 ffio_wfourcc(pb, "stbl");
2612 if ((ret = mov_write_stsd_tag(s, pb, mov, track)) < 0)
2614 mov_write_stts_tag(pb, track);
2615 if ((track->par->codec_type == AVMEDIA_TYPE_VIDEO ||
2616 track->par->codec_id == AV_CODEC_ID_TRUEHD ||
2617 track->par->codec_id == AV_CODEC_ID_MPEGH_3D_AUDIO ||
2618 track->par->codec_tag == MKTAG('r','t','p',' ')) &&
2619 track->has_keyframes && track->has_keyframes < track->entry)
2620 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
2621 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO && track->has_disposable)
2622 mov_write_sdtp_tag(pb, track);
2623 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
2624 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
2625 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO &&
2626 track->flags & MOV_TRACK_CTTS && track->entry) {
2628 if ((ret = mov_write_ctts_tag(s, pb, track)) < 0)
2631 mov_write_stsc_tag(pb, track);
2632 mov_write_stsz_tag(pb, track);
2633 mov_write_stco_tag(pb, track);
2634 if (track->cenc.aes_ctr) {
2635 ff_mov_cenc_write_stbl_atoms(&track->cenc, pb);
2637 if (track->par->codec_id == AV_CODEC_ID_OPUS || track->par->codec_id == AV_CODEC_ID_AAC) {
2638 mov_preroll_write_stbl_atoms(pb, track);
2640 return update_size(pb, pos);
2643 static int mov_write_dinf_tag(AVIOContext *pb)
2645 int64_t pos = avio_tell(pb);
2646 avio_wb32(pb, 0); /* size */
2647 ffio_wfourcc(pb, "dinf");
2648 mov_write_dref_tag(pb);
2649 return update_size(pb, pos);
2652 static int mov_write_nmhd_tag(AVIOContext *pb)
2655 ffio_wfourcc(pb, "nmhd");
2660 static int mov_write_tcmi_tag(AVIOContext *pb, MOVTrack *track)
2662 int64_t pos = avio_tell(pb);
2663 const char *font = "Lucida Grande";
2664 avio_wb32(pb, 0); /* size */
2665 ffio_wfourcc(pb, "tcmi"); /* timecode media information atom */
2666 avio_wb32(pb, 0); /* version & flags */
2667 avio_wb16(pb, 0); /* text font */
2668 avio_wb16(pb, 0); /* text face */
2669 avio_wb16(pb, 12); /* text size */
2670 avio_wb16(pb, 0); /* (unknown, not in the QT specs...) */
2671 avio_wb16(pb, 0x0000); /* text color (red) */
2672 avio_wb16(pb, 0x0000); /* text color (green) */
2673 avio_wb16(pb, 0x0000); /* text color (blue) */
2674 avio_wb16(pb, 0xffff); /* background color (red) */
2675 avio_wb16(pb, 0xffff); /* background color (green) */
2676 avio_wb16(pb, 0xffff); /* background color (blue) */
2677 avio_w8(pb, strlen(font)); /* font len (part of the pascal string) */
2678 avio_write(pb, font, strlen(font)); /* font name */
2679 return update_size(pb, pos);
2682 static int mov_write_gmhd_tag(AVIOContext *pb, MOVTrack *track)
2684 int64_t pos = avio_tell(pb);
2685 avio_wb32(pb, 0); /* size */
2686 ffio_wfourcc(pb, "gmhd");
2687 avio_wb32(pb, 0x18); /* gmin size */
2688 ffio_wfourcc(pb, "gmin");/* generic media info */
2689 avio_wb32(pb, 0); /* version & flags */
2690 avio_wb16(pb, 0x40); /* graphics mode = */
2691 avio_wb16(pb, 0x8000); /* opColor (r?) */
2692 avio_wb16(pb, 0x8000); /* opColor (g?) */
2693 avio_wb16(pb, 0x8000); /* opColor (b?) */
2694 avio_wb16(pb, 0); /* balance */
2695 avio_wb16(pb, 0); /* reserved */
2698 * This special text atom is required for
2699 * Apple Quicktime chapters. The contents
2700 * don't appear to be documented, so the
2701 * bytes are copied verbatim.
2703 if (track->tag != MKTAG('c','6','0','8')) {
2704 avio_wb32(pb, 0x2C); /* size */
2705 ffio_wfourcc(pb, "text");
2706 avio_wb16(pb, 0x01);
2707 avio_wb32(pb, 0x00);
2708 avio_wb32(pb, 0x00);
2709 avio_wb32(pb, 0x00);
2710 avio_wb32(pb, 0x01);
2711 avio_wb32(pb, 0x00);
2712 avio_wb32(pb, 0x00);
2713 avio_wb32(pb, 0x00);
2714 avio_wb32(pb, 0x00004000);
2715 avio_wb16(pb, 0x0000);
2718 if (track->par->codec_tag == MKTAG('t','m','c','d')) {
2719 int64_t tmcd_pos = avio_tell(pb);
2720 avio_wb32(pb, 0); /* size */
2721 ffio_wfourcc(pb, "tmcd");
2722 mov_write_tcmi_tag(pb, track);
2723 update_size(pb, tmcd_pos);
2724 } else if (track->par->codec_tag == MKTAG('g','p','m','d')) {
2725 int64_t gpmd_pos = avio_tell(pb);
2726 avio_wb32(pb, 0); /* size */
2727 ffio_wfourcc(pb, "gpmd");
2728 avio_wb32(pb, 0); /* version */
2729 update_size(pb, gpmd_pos);
2731 return update_size(pb, pos);
2734 static int mov_write_smhd_tag(AVIOContext *pb)
2736 avio_wb32(pb, 16); /* size */
2737 ffio_wfourcc(pb, "smhd");
2738 avio_wb32(pb, 0); /* version & flags */
2739 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
2740 avio_wb16(pb, 0); /* reserved */
2744 static int mov_write_vmhd_tag(AVIOContext *pb)
2746 avio_wb32(pb, 0x14); /* size (always 0x14) */
2747 ffio_wfourcc(pb, "vmhd");
2748 avio_wb32(pb, 0x01); /* version & flags */
2749 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
2753 static int is_clcp_track(MOVTrack *track)
2755 return track->tag == MKTAG('c','7','0','8') ||
2756 track->tag == MKTAG('c','6','0','8');
2759 static int mov_write_hdlr_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
2761 MOVMuxContext *mov = s->priv_data;
2762 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
2763 int64_t pos = avio_tell(pb);
2767 descr = "DataHandler";
2770 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
2771 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
2773 descr = "VideoHandler";
2774 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
2776 descr = "SoundHandler";
2777 } else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2778 if (is_clcp_track(track)) {
2780 descr = "ClosedCaptionHandler";
2782 if (track->tag == MKTAG('t','x','3','g')) {
2784 } else if (track->tag == MKTAG('m','p','4','s')) {
2789 descr = "SubtitleHandler";
2791 } else if (track->par->codec_tag == MKTAG('r','t','p',' ')) {
2793 descr = "HintHandler";
2794 } else if (track->par->codec_tag == MKTAG('t','m','c','d')) {
2796 descr = "TimeCodeHandler";
2797 } else if (track->par->codec_tag == MKTAG('g','p','m','d')) {
2799 descr = "GoPro MET"; // GoPro Metadata
2801 av_log(s, AV_LOG_WARNING,
2802 "Unknown hldr_type for %s, writing dummy values\n",
2803 av_fourcc2str(track->par->codec_tag));
2806 // hdlr.name is used by some players to identify the content title
2807 // of the track. So if an alternate handler description is
2808 // specified, use it.
2809 AVDictionaryEntry *t;
2810 t = av_dict_get(track->st->metadata, "handler_name", NULL, 0);
2811 if (t && utf8len(t->value))
2816 if (mov->empty_hdlr_name) /* expressly allowed by QTFF and not prohibited in ISO 14496-12 8.4.3.3 */
2819 avio_wb32(pb, 0); /* size */
2820 ffio_wfourcc(pb, "hdlr");
2821 avio_wb32(pb, 0); /* Version & flags */
2822 avio_write(pb, hdlr, 4); /* handler */
2823 ffio_wfourcc(pb, hdlr_type); /* handler type */
2824 avio_wb32(pb, 0); /* reserved */
2825 avio_wb32(pb, 0); /* reserved */
2826 avio_wb32(pb, 0); /* reserved */
2827 if (!track || track->mode == MODE_MOV)
2828 avio_w8(pb, strlen(descr)); /* pascal string */
2829 avio_write(pb, descr, strlen(descr)); /* handler description */
2830 if (track && track->mode != MODE_MOV)
2831 avio_w8(pb, 0); /* c string */
2832 return update_size(pb, pos);
2835 static int mov_write_hmhd_tag(AVIOContext *pb)
2837 /* This atom must be present, but leaving the values at zero
2838 * seems harmless. */
2839 avio_wb32(pb, 28); /* size */
2840 ffio_wfourcc(pb, "hmhd");
2841 avio_wb32(pb, 0); /* version, flags */
2842 avio_wb16(pb, 0); /* maxPDUsize */
2843 avio_wb16(pb, 0); /* avgPDUsize */
2844 avio_wb32(pb, 0); /* maxbitrate */
2845 avio_wb32(pb, 0); /* avgbitrate */
2846 avio_wb32(pb, 0); /* reserved */
2850 static int mov_write_minf_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2852 int64_t pos = avio_tell(pb);
2855 avio_wb32(pb, 0); /* size */
2856 ffio_wfourcc(pb, "minf");
2857 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO)
2858 mov_write_vmhd_tag(pb);
2859 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2860 mov_write_smhd_tag(pb);
2861 else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2862 if (track->tag == MKTAG('t','e','x','t') || is_clcp_track(track)) {
2863 mov_write_gmhd_tag(pb, track);
2865 mov_write_nmhd_tag(pb);
2867 } else if (track->tag == MKTAG('r','t','p',' ')) {
2868 mov_write_hmhd_tag(pb);
2869 } else if (track->tag == MKTAG('t','m','c','d')) {
2870 if (track->mode != MODE_MOV)
2871 mov_write_nmhd_tag(pb);
2873 mov_write_gmhd_tag(pb, track);
2874 } else if (track->tag == MKTAG('g','p','m','d')) {
2875 mov_write_gmhd_tag(pb, track);
2877 if (track->mode == MODE_MOV) /* ISO 14496-12 8.4.3.1 specifies hdlr only within mdia or meta boxes */
2878 mov_write_hdlr_tag(s, pb, NULL);
2879 mov_write_dinf_tag(pb);
2880 if ((ret = mov_write_stbl_tag(s, pb, mov, track)) < 0)
2882 return update_size(pb, pos);
2885 static int64_t calc_pts_duration(MOVMuxContext *mov, MOVTrack *track)
2887 if (track->tag == MKTAG('t','m','c','d')) {
2888 // tmcd tracks gets track_duration set in mov_write_moov_tag from
2889 // another track's duration, while the end_pts may be left at zero.
2890 // Calculate the pts duration for that track instead.
2891 return av_rescale(calc_pts_duration(mov, &mov->tracks[track->src_track]),
2892 track->timescale, mov->tracks[track->src_track].timescale);
2894 if (track->end_pts != AV_NOPTS_VALUE &&
2895 track->start_dts != AV_NOPTS_VALUE &&
2896 track->start_cts != AV_NOPTS_VALUE) {
2897 return track->end_pts - (track->start_dts + track->start_cts);
2899 return track->track_duration;
2902 static int mov_write_mdhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2905 int64_t duration = calc_pts_duration(mov, track);
2906 int version = duration < INT32_MAX ? 0 : 1;
2908 if (track->mode == MODE_ISM)
2911 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
2912 ffio_wfourcc(pb, "mdhd");
2913 avio_w8(pb, version);
2914 avio_wb24(pb, 0); /* flags */
2916 avio_wb64(pb, track->time);
2917 avio_wb64(pb, track->time);
2919 avio_wb32(pb, track->time); /* creation time */
2920 avio_wb32(pb, track->time); /* modification time */
2922 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
2923 if (!track->entry && mov->mode == MODE_ISM)
2924 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2925 else if (!track->entry)
2926 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2928 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration); /* duration */
2929 avio_wb16(pb, track->language); /* language */
2930 avio_wb16(pb, 0); /* reserved (quality) */
2932 if (version != 0 && track->mode == MODE_MOV) {
2933 av_log(NULL, AV_LOG_ERROR,
2934 "FATAL error, file duration too long for timebase, this file will not be\n"
2935 "playable with QuickTime. Choose a different timebase with "
2936 "-video_track_timescale or a different container format\n");
2942 static int mov_write_mdia_tag(AVFormatContext *s, AVIOContext *pb,
2943 MOVMuxContext *mov, MOVTrack *track)
2945 int64_t pos = avio_tell(pb);
2948 avio_wb32(pb, 0); /* size */
2949 ffio_wfourcc(pb, "mdia");
2950 mov_write_mdhd_tag(pb, mov, track);
2951 mov_write_hdlr_tag(s, pb, track);
2952 if ((ret = mov_write_minf_tag(s, pb, mov, track)) < 0)
2954 return update_size(pb, pos);
2957 /* transformation matrix
2961 static void write_matrix(AVIOContext *pb, int16_t a, int16_t b, int16_t c,
2962 int16_t d, int16_t tx, int16_t ty)
2964 avio_wb32(pb, a << 16); /* 16.16 format */
2965 avio_wb32(pb, b << 16); /* 16.16 format */
2966 avio_wb32(pb, 0); /* u in 2.30 format */
2967 avio_wb32(pb, c << 16); /* 16.16 format */
2968 avio_wb32(pb, d << 16); /* 16.16 format */
2969 avio_wb32(pb, 0); /* v in 2.30 format */
2970 avio_wb32(pb, tx << 16); /* 16.16 format */
2971 avio_wb32(pb, ty << 16); /* 16.16 format */
2972 avio_wb32(pb, 1 << 30); /* w in 2.30 format */
2975 static int mov_write_tkhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2976 MOVTrack *track, AVStream *st)
2978 int64_t duration = av_rescale_rnd(calc_pts_duration(mov, track),
2979 MOV_TIMESCALE, track->timescale,
2981 int version = duration < INT32_MAX ? 0 : 1;
2982 int flags = MOV_TKHD_FLAG_IN_MOVIE;
2986 uint32_t *display_matrix = NULL;
2987 int display_matrix_size, i;
2990 if (mov->per_stream_grouping)
2993 group = st->codecpar->codec_type;
2995 display_matrix = (uint32_t*)av_stream_get_side_data(st, AV_PKT_DATA_DISPLAYMATRIX,
2996 &display_matrix_size);
2997 if (display_matrix && display_matrix_size < 9 * sizeof(*display_matrix))
2998 display_matrix = NULL;
3001 if (track->flags & MOV_TRACK_ENABLED)
3002 flags |= MOV_TKHD_FLAG_ENABLED;
3004 if (track->mode == MODE_ISM)
3007 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
3008 ffio_wfourcc(pb, "tkhd");
3009 avio_w8(pb, version);
3010 avio_wb24(pb, flags);
3012 avio_wb64(pb, track->time);
3013 avio_wb64(pb, track->time);
3015 avio_wb32(pb, track->time); /* creation time */
3016 avio_wb32(pb, track->time); /* modification time */
3018 avio_wb32(pb, track->track_id); /* track-id */
3019 avio_wb32(pb, 0); /* reserved */
3020 if (!track->entry && mov->mode == MODE_ISM)
3021 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
3022 else if (!track->entry)
3023 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
3025 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
3027 avio_wb32(pb, 0); /* reserved */
3028 avio_wb32(pb, 0); /* reserved */
3029 avio_wb16(pb, 0); /* layer */
3030 avio_wb16(pb, group); /* alternate group) */
3031 /* Volume, only for audio */
3032 if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
3033 avio_wb16(pb, 0x0100);
3036 avio_wb16(pb, 0); /* reserved */
3038 /* Matrix structure */
3039 #if FF_API_OLD_ROTATE_API
3040 if (st && st->metadata) {
3041 AVDictionaryEntry *rot = av_dict_get(st->metadata, "rotate", NULL, 0);
3042 rotation = (rot && rot->value) ? atoi(rot->value) : 0;
3045 if (display_matrix) {
3046 for (i = 0; i < 9; i++)
3047 avio_wb32(pb, display_matrix[i]);
3048 #if FF_API_OLD_ROTATE_API
3049 } else if (rotation == 90) {
3050 write_matrix(pb, 0, 1, -1, 0, track->par->height, 0);
3051 } else if (rotation == 180) {
3052 write_matrix(pb, -1, 0, 0, -1, track->par->width, track->par->height);
3053 } else if (rotation == 270) {
3054 write_matrix(pb, 0, -1, 1, 0, 0, track->par->width);
3057 write_matrix(pb, 1, 0, 0, 1, 0, 0);
3059 /* Track width and height, for visual only */
3060 if (st && (track->par->codec_type == AVMEDIA_TYPE_VIDEO ||
3061 track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
3062 int64_t track_width_1616;
3063 if (track->mode == MODE_MOV) {
3064 track_width_1616 = track->par->width * 0x10000ULL;
3066 track_width_1616 = av_rescale(st->sample_aspect_ratio.num,
3067 track->par->width * 0x10000LL,
3068 st->sample_aspect_ratio.den);
3069 if (!track_width_1616 ||
3070 track->height != track->par->height ||
3071 track_width_1616 > UINT32_MAX)
3072 track_width_1616 = track->par->width * 0x10000ULL;
3074 if (track_width_1616 > UINT32_MAX) {
3075 av_log(mov->fc, AV_LOG_WARNING, "track width is too large\n");
3076 track_width_1616 = 0;
3078 avio_wb32(pb, track_width_1616);
3079 if (track->height > 0xFFFF) {
3080 av_log(mov->fc, AV_LOG_WARNING, "track height is too large\n");
3083 avio_wb32(pb, track->height * 0x10000U);
3091 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
3093 int32_t width = av_rescale(track->par->sample_aspect_ratio.num, track->par->width,
3094 track->par->sample_aspect_ratio.den);
3096 int64_t pos = avio_tell(pb);
3098 avio_wb32(pb, 0); /* size */
3099 ffio_wfourcc(pb, "tapt");
3102 ffio_wfourcc(pb, "clef");
3104 avio_wb32(pb, width << 16);
3105 avio_wb32(pb, track->par->height << 16);
3108 ffio_wfourcc(pb, "prof");
3110 avio_wb32(pb, width << 16);
3111 avio_wb32(pb, track->par->height << 16);
3114 ffio_wfourcc(pb, "enof");
3116 avio_wb32(pb, track->par->width << 16);
3117 avio_wb32(pb, track->par->height << 16);
3119 return update_size(pb, pos);
3122 // This box seems important for the psp playback ... without it the movie seems to hang
3123 static int mov_write_edts_tag(AVIOContext *pb, MOVMuxContext *mov,
3126 int64_t duration = av_rescale_rnd(calc_pts_duration(mov, track),
3127 MOV_TIMESCALE, track->timescale,
3129 int version = duration < INT32_MAX ? 0 : 1;
3130 int entry_size, entry_count, size;
3131 int64_t delay, start_ct = track->start_cts;
3132 int64_t start_dts = track->start_dts;
3135 if (start_dts != track->cluster[0].dts || start_ct != track->cluster[0].cts) {
3137 av_log(mov->fc, AV_LOG_DEBUG,
3138 "EDTS using dts:%"PRId64" cts:%d instead of dts:%"PRId64" cts:%"PRId64" tid:%d\n",
3139 track->cluster[0].dts, track->cluster[0].cts,
3140 start_dts, start_ct, track->track_id);
3141 start_dts = track->cluster[0].dts;
3142 start_ct = track->cluster[0].cts;
3146 delay = av_rescale_rnd(start_dts + start_ct, MOV_TIMESCALE,
3147 track->timescale, AV_ROUND_DOWN);
3148 version |= delay < INT32_MAX ? 0 : 1;
3150 entry_size = (version == 1) ? 20 : 12;
3151 entry_count = 1 + (delay > 0);
3152 size = 24 + entry_count * entry_size;
3154 /* write the atom data */
3155 avio_wb32(pb, size);
3156 ffio_wfourcc(pb, "edts");
3157 avio_wb32(pb, size - 8);
3158 ffio_wfourcc(pb, "elst");
3159 avio_w8(pb, version);
3160 avio_wb24(pb, 0); /* flags */
3162 avio_wb32(pb, entry_count);
3163 if (delay > 0) { /* add an empty edit to delay presentation */
3164 /* In the positive delay case, the delay includes the cts
3165 * offset, and the second edit list entry below trims out
3166 * the same amount from the actual content. This makes sure
3167 * that the offset last sample is included in the edit
3168 * list duration as well. */
3170 avio_wb64(pb, delay);
3173 avio_wb32(pb, delay);
3176 avio_wb32(pb, 0x00010000);
3178 /* Avoid accidentally ending up with start_ct = -1 which has got a
3179 * special meaning. Normally start_ct should end up positive or zero
3180 * here, but use FFMIN in case dts is a small positive integer
3181 * rounded to 0 when represented in MOV_TIMESCALE units. */
3182 av_assert0(av_rescale_rnd(start_dts, MOV_TIMESCALE, track->timescale, AV_ROUND_DOWN) <= 0);
3183 start_ct = -FFMIN(start_dts, 0);
3184 /* Note, this delay is calculated from the pts of the first sample,
3185 * ensuring that we don't reduce the duration for cases with
3190 /* For fragmented files, we don't know the full length yet. Setting
3191 * duration to 0 allows us to only specify the offset, including
3192 * the rest of the content (from all future fragments) without specifying
3193 * an explicit duration. */
3194 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
3199 avio_wb64(pb, duration);
3200 avio_wb64(pb, start_ct);
3202 avio_wb32(pb, duration);
3203 avio_wb32(pb, start_ct);
3205 avio_wb32(pb, 0x00010000);
3209 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
3211 avio_wb32(pb, 20); // size
3212 ffio_wfourcc(pb, "tref");
3213 avio_wb32(pb, 12); // size (subatom)
3214 avio_wl32(pb, track->tref_tag);
3215 avio_wb32(pb, track->tref_id);
3219 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
3220 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
3222 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
3223 ffio_wfourcc(pb, "uuid");
3224 ffio_wfourcc(pb, "USMT");
3225 avio_wb32(pb, 0x21d24fce);
3226 avio_wb32(pb, 0xbb88695c);
3227 avio_wb32(pb, 0xfac9c740);
3228 avio_wb32(pb, 0x1c); // another size here!
3229 ffio_wfourcc(pb, "MTDT");
3230 avio_wb32(pb, 0x00010012);
3231 avio_wb32(pb, 0x0a);
3232 avio_wb32(pb, 0x55c40000);
3238 static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
3240 AVFormatContext *ctx = track->rtp_ctx;
3241 char buf[1000] = "";
3244 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
3245 NULL, NULL, 0, 0, ctx);
3246 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
3249 avio_wb32(pb, len + 24);
3250 ffio_wfourcc(pb, "udta");
3251 avio_wb32(pb, len + 16);
3252 ffio_wfourcc(pb, "hnti");
3253 avio_wb32(pb, len + 8);
3254 ffio_wfourcc(pb, "sdp ");
3255 avio_write(pb, buf, len);
3259 static int mov_write_track_metadata(AVIOContext *pb, AVStream *st,
3260 const char *tag, const char *str)
3262 int64_t pos = avio_tell(pb);
3263 AVDictionaryEntry *t = av_dict_get(st->metadata, str, NULL, 0);
3264 if (!t || !utf8len(t->value))
3267 avio_wb32(pb, 0); /* size */
3268 ffio_wfourcc(pb, tag); /* type */
3269 avio_write(pb, t->value, strlen(t->value)); /* UTF8 string value */
3270 return update_size(pb, pos);
3273 static int mov_write_track_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
3276 AVIOContext *pb_buf;
3283 ret = avio_open_dyn_buf(&pb_buf);
3287 if (mov->mode & (MODE_MP4|MODE_MOV))
3288 mov_write_track_metadata(pb_buf, st, "name", "title");
3290 if ((size = avio_get_dyn_buf(pb_buf, &buf)) > 0) {
3291 avio_wb32(pb, size + 8);
3292 ffio_wfourcc(pb, "udta");
3293 avio_write(pb, buf, size);
3295 ffio_free_dyn_buf(&pb_buf);
3300 static int mov_write_trak_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov,
3301 MOVTrack *track, AVStream *st)
3303 int64_t pos = avio_tell(pb);
3304 int entry_backup = track->entry;
3305 int chunk_backup = track->chunkCount;
3308 /* If we want to have an empty moov, but some samples already have been
3309 * buffered (delay_moov), pretend that no samples have been written yet. */
3310 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV)
3311 track->chunkCount = track->entry = 0;
3313 avio_wb32(pb, 0); /* size */
3314 ffio_wfourcc(pb, "trak");
3315 mov_write_tkhd_tag(pb, mov, track, st);
3317 av_assert2(mov->use_editlist >= 0);
3319 if (track->start_dts != AV_NOPTS_VALUE) {
3320 if (mov->use_editlist)
3321 mov_write_edts_tag(pb, mov, track); // PSP Movies and several other cases require edts box
3322 else if ((track->entry && track->cluster[0].dts) || track->mode == MODE_PSP || is_clcp_track(track))
3323 av_log(mov->fc, AV_LOG_WARNING,
3324 "Not writing any edit list even though one would have been required\n");
3327 if (track->tref_tag)
3328 mov_write_tref_tag(pb, track);
3330 if ((ret = mov_write_mdia_tag(s, pb, mov, track)) < 0)
3332 if (track->mode == MODE_PSP)
3333 mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box
3334 if (track->tag == MKTAG('r','t','p',' '))
3335 mov_write_udta_sdp(pb, track);
3336 if (track->mode == MODE_MOV) {
3337 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
3338 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
3339 if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio) {
3340 mov_write_tapt_tag(pb, track);
3343 if (is_clcp_track(track) && st->sample_aspect_ratio.num) {
3344 mov_write_tapt_tag(pb, track);
3347 mov_write_track_udta_tag(pb, mov, st);
3348 track->entry = entry_backup;
3349 track->chunkCount = chunk_backup;
3350 return update_size(pb, pos);
3353 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
3355 int i, has_audio = 0, has_video = 0;
3356 int64_t pos = avio_tell(pb);
3357 int audio_profile = mov->iods_audio_profile;
3358 int video_profile = mov->iods_video_profile;
3359 for (i = 0; i < mov->nb_streams; i++) {
3360 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3361 has_audio |= mov->tracks[i].par->codec_type == AVMEDIA_TYPE_AUDIO;
3362 has_video |= mov->tracks[i].par->codec_type == AVMEDIA_TYPE_VIDEO;
3365 if (audio_profile < 0)
3366 audio_profile = 0xFF - has_audio;
3367 if (video_profile < 0)
3368 video_profile = 0xFF - has_video;
3369 avio_wb32(pb, 0x0); /* size */
3370 ffio_wfourcc(pb, "iods");
3371 avio_wb32(pb, 0); /* version & flags */
3372 put_descr(pb, 0x10, 7);
3373 avio_wb16(pb, 0x004f);
3376 avio_w8(pb, audio_profile);
3377 avio_w8(pb, video_profile);
3379 return update_size(pb, pos);
3382 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
3384 avio_wb32(pb, 0x20); /* size */
3385 ffio_wfourcc(pb, "trex");
3386 avio_wb32(pb, 0); /* version & flags */
3387 avio_wb32(pb, track->track_id); /* track ID */
3388 avio_wb32(pb, 1); /* default sample description index */
3389 avio_wb32(pb, 0); /* default sample duration */
3390 avio_wb32(pb, 0); /* default sample size */
3391 avio_wb32(pb, 0); /* default sample flags */
3395 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
3397 int64_t pos = avio_tell(pb);
3399 avio_wb32(pb, 0x0); /* size */
3400 ffio_wfourcc(pb, "mvex");
3401 for (i = 0; i < mov->nb_streams; i++)
3402 mov_write_trex_tag(pb, &mov->tracks[i]);
3403 return update_size(pb, pos);
3406 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
3408 int max_track_id = 1, i;
3409 int64_t max_track_len = 0;
3412 for (i = 0; i < mov->nb_streams; i++) {
3413 if (mov->tracks[i].entry > 0 && mov->tracks[i].timescale) {
3414 int64_t max_track_len_temp = av_rescale_rnd(
3415 calc_pts_duration(mov, &mov->tracks[i]),
3417 mov->tracks[i].timescale,
3419 if (max_track_len < max_track_len_temp)
3420 max_track_len = max_track_len_temp;
3421 if (max_track_id < mov->tracks[i].track_id)
3422 max_track_id = mov->tracks[i].track_id;
3425 /* If using delay_moov, make sure the output is the same as if no
3426 * samples had been written yet. */
3427 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3432 version = max_track_len < UINT32_MAX ? 0 : 1;
3433 avio_wb32(pb, version == 1 ? 120 : 108); /* size */
3435 ffio_wfourcc(pb, "mvhd");
3436 avio_w8(pb, version);
3437 avio_wb24(pb, 0); /* flags */
3439 avio_wb64(pb, mov->time);
3440 avio_wb64(pb, mov->time);
3442 avio_wb32(pb, mov->time); /* creation time */
3443 avio_wb32(pb, mov->time); /* modification time */
3445 avio_wb32(pb, MOV_TIMESCALE);
3446 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
3448 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
3449 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
3450 avio_wb16(pb, 0); /* reserved */
3451 avio_wb32(pb, 0); /* reserved */
3452 avio_wb32(pb, 0); /* reserved */
3454 /* Matrix structure */
3455 write_matrix(pb, 1, 0, 0, 1, 0, 0);
3457 avio_wb32(pb, 0); /* reserved (preview time) */
3458 avio_wb32(pb, 0); /* reserved (preview duration) */
3459 avio_wb32(pb, 0); /* reserved (poster time) */
3460 avio_wb32(pb, 0); /* reserved (selection time) */
3461 avio_wb32(pb, 0); /* reserved (selection duration) */
3462 avio_wb32(pb, 0); /* reserved (current time) */
3463 avio_wb32(pb, max_track_id + 1); /* Next track id */
3467 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
3470 avio_wb32(pb, 33); /* size */
3471 ffio_wfourcc(pb, "hdlr");
3474 ffio_wfourcc(pb, "mdir");
3475 ffio_wfourcc(pb, "appl");
3482 /* helper function to write a data tag with the specified string as data */
3483 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
3486 int size = 16 + strlen(data);
3487 avio_wb32(pb, size); /* size */
3488 ffio_wfourcc(pb, "data");
3491 avio_write(pb, data, strlen(data));
3495 lang = ff_mov_iso639_to_lang("und", 1);
3496 avio_wb16(pb, strlen(data)); /* string length */
3497 avio_wb16(pb, lang);
3498 avio_write(pb, data, strlen(data));
3499 return strlen(data) + 4;
3503 static int mov_write_string_tag(AVIOContext *pb, const char *name,
3504 const char *value, int lang, int long_style)
3507 if (value && value[0]) {
3508 int64_t pos = avio_tell(pb);
3509 avio_wb32(pb, 0); /* size */
3510 ffio_wfourcc(pb, name);
3511 mov_write_string_data_tag(pb, value, lang, long_style);
3512 size = update_size(pb, pos);
3517 static AVDictionaryEntry *get_metadata_lang(AVFormatContext *s,
3518 const char *tag, int *lang)
3521 AVDictionaryEntry *t, *t2 = NULL;
3526 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
3529 len = strlen(t->key);
3530 snprintf(tag2, sizeof(tag2), "%s-", tag);
3531 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
3532 len2 = strlen(t2->key);
3533 if (len2 == len + 4 && !strcmp(t->value, t2->value)
3534 && (l = ff_mov_iso639_to_lang(&t2->key[len2 - 3], 1)) >= 0) {
3542 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
3543 const char *name, const char *tag,
3547 AVDictionaryEntry *t = get_metadata_lang(s, tag, &lang);
3550 return mov_write_string_tag(pb, name, t->value, lang, long_style);
3553 /* iTunes bpm number */
3554 static int mov_write_tmpo_tag(AVIOContext *pb, AVFormatContext *s)
3556 AVDictionaryEntry *t = av_dict_get(s->metadata, "tmpo", NULL, 0);
3557 int size = 0, tmpo = t ? atoi(t->value) : 0;
3560 avio_wb32(pb, size);
3561 ffio_wfourcc(pb, "tmpo");
3562 avio_wb32(pb, size-8); /* size */
3563 ffio_wfourcc(pb, "data");
3564 avio_wb32(pb, 0x15); //type specifier
3566 avio_wb16(pb, tmpo); // data
3571 /* 3GPP TS 26.244 */
3572 static int mov_write_loci_tag(AVFormatContext *s, AVIOContext *pb)
3575 int64_t pos = avio_tell(pb);
3576 double latitude, longitude, altitude;
3577 int32_t latitude_fix, longitude_fix, altitude_fix;
3578 AVDictionaryEntry *t = get_metadata_lang(s, "location", &lang);
3579 const char *ptr, *place = "";
3581 static const char *astronomical_body = "earth";
3586 longitude = strtod(ptr, &end);
3588 av_log(s, AV_LOG_WARNING, "malformed location metadata\n");
3592 latitude = strtod(ptr, &end);
3594 av_log(s, AV_LOG_WARNING, "malformed location metadata\n");
3598 altitude = strtod(ptr, &end);
3599 /* If no altitude was present, the default 0 should be fine */
3603 latitude_fix = (int32_t) ((1 << 16) * latitude);
3604 longitude_fix = (int32_t) ((1 << 16) * longitude);
3605 altitude_fix = (int32_t) ((1 << 16) * altitude);
3607 avio_wb32(pb, 0); /* size */
3608 ffio_wfourcc(pb, "loci"); /* type */
3609 avio_wb32(pb, 0); /* version + flags */
3610 avio_wb16(pb, lang);
3611 avio_write(pb, place, strlen(place) + 1);
3612 avio_w8(pb, 0); /* role of place (0 == shooting location, 1 == real location, 2 == fictional location) */
3613 avio_wb32(pb, latitude_fix);
3614 avio_wb32(pb, longitude_fix);
3615 avio_wb32(pb, altitude_fix);
3616 avio_write(pb, astronomical_body, strlen(astronomical_body) + 1);
3617 avio_w8(pb, 0); /* additional notes, null terminated string */
3619 return update_size(pb, pos);
3622 /* iTunes track or disc number */
3623 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
3624 AVFormatContext *s, int disc)
3626 AVDictionaryEntry *t = av_dict_get(s->metadata,
3627 disc ? "disc" : "track",
3629 int size = 0, track = t ? atoi(t->value) : 0;
3632 char *slash = strchr(t->value, '/');
3634 tracks = atoi(slash + 1);
3635 avio_wb32(pb, 32); /* size */
3636 ffio_wfourcc(pb, disc ? "disk" : "trkn");
3637 avio_wb32(pb, 24); /* size */
3638 ffio_wfourcc(pb, "data");
3639 avio_wb32(pb, 0); // 8 bytes empty
3641 avio_wb16(pb, 0); // empty
3642 avio_wb16(pb, track); // track / disc number
3643 avio_wb16(pb, tracks); // total track / disc number
3644 avio_wb16(pb, 0); // empty
3650 static int mov_write_int8_metadata(AVFormatContext *s, AVIOContext *pb,
3651 const char *name, const char *tag,
3654 AVDictionaryEntry *t = NULL;
3656 int size = 24 + len;
3658 if (len != 1 && len != 4)
3661 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
3663 num = atoi(t->value);
3665 avio_wb32(pb, size);
3666 ffio_wfourcc(pb, name);
3667 avio_wb32(pb, size - 8);
3668 ffio_wfourcc(pb, "data");
3669 avio_wb32(pb, 0x15);
3671 if (len==4) avio_wb32(pb, num);
3672 else avio_w8 (pb, num);
3677 static int mov_write_covr(AVIOContext *pb, AVFormatContext *s)
3679 MOVMuxContext *mov = s->priv_data;
3683 for (i = 0; i < s->nb_streams; i++) {
3684 MOVTrack *trk = &mov->tracks[i];
3686 if (!is_cover_image(trk->st) || trk->cover_image.size <= 0)
3690 pos = avio_tell(pb);
3692 ffio_wfourcc(pb, "covr");
3694 avio_wb32(pb, 16 + trk->cover_image.size);
3695 ffio_wfourcc(pb, "data");
3696 avio_wb32(pb, trk->tag);
3698 avio_write(pb, trk->cover_image.data, trk->cover_image.size);
3701 return pos ? update_size(pb, pos) : 0;
3704 /* iTunes meta data list */
3705 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
3708 int64_t pos = avio_tell(pb);
3709 avio_wb32(pb, 0); /* size */
3710 ffio_wfourcc(pb, "ilst");
3711 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
3712 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
3713 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
3714 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
3715 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
3716 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
3717 if (!mov_write_string_metadata(s, pb, "\251too", "encoding_tool", 1)) {
3718 if (!(s->flags & AVFMT_FLAG_BITEXACT))
3719 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
3721 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
3722 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
3723 mov_write_string_metadata(s, pb, "cprt", "copyright", 1);
3724 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
3725 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
3726 mov_write_string_metadata(s, pb, "desc", "description",1);
3727 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
3728 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
3729 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
3730 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
3731 mov_write_string_metadata(s, pb, "keyw", "keywords" , 1);
3732 mov_write_int8_metadata (s, pb, "tves", "episode_sort",4);
3733 mov_write_int8_metadata (s, pb, "tvsn", "season_number",4);
3734 mov_write_int8_metadata (s, pb, "stik", "media_type",1);
3735 mov_write_int8_metadata (s, pb, "hdvd", "hd_video", 1);
3736 mov_write_int8_metadata (s, pb, "pgap", "gapless_playback",1);
3737 mov_write_int8_metadata (s, pb, "cpil", "compilation", 1);
3738 mov_write_covr(pb, s);
3739 mov_write_trkn_tag(pb, mov, s, 0); // track number
3740 mov_write_trkn_tag(pb, mov, s, 1); // disc number
3741 mov_write_tmpo_tag(pb, s);
3742 return update_size(pb, pos);
3745 static int mov_write_mdta_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
3748 avio_wb32(pb, 33); /* size */
3749 ffio_wfourcc(pb, "hdlr");
3752 ffio_wfourcc(pb, "mdta");
3760 static int mov_write_mdta_keys_tag(AVIOContext *pb, MOVMuxContext *mov,
3763 AVDictionaryEntry *t = NULL;
3764 int64_t pos = avio_tell(pb);
3765 int64_t curpos, entry_pos;
3768 avio_wb32(pb, 0); /* size */
3769 ffio_wfourcc(pb, "keys");
3771 entry_pos = avio_tell(pb);
3772 avio_wb32(pb, 0); /* entry count */
3774 while (t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX)) {
3775 avio_wb32(pb, strlen(t->key) + 8);
3776 ffio_wfourcc(pb, "mdta");
3777 avio_write(pb, t->key, strlen(t->key));
3780 curpos = avio_tell(pb);
3781 avio_seek(pb, entry_pos, SEEK_SET);
3782 avio_wb32(pb, count); // rewrite entry count
3783 avio_seek(pb, curpos, SEEK_SET);
3785 return update_size(pb, pos);
3788 static int mov_write_mdta_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
3791 AVDictionaryEntry *t = NULL;
3792 int64_t pos = avio_tell(pb);
3793 int count = 1; /* keys are 1-index based */
3795 avio_wb32(pb, 0); /* size */
3796 ffio_wfourcc(pb, "ilst");
3798 while (t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX)) {
3799 int64_t entry_pos = avio_tell(pb);
3800 avio_wb32(pb, 0); /* size */
3801 avio_wb32(pb, count); /* key */
3802 mov_write_string_data_tag(pb, t->value, 0, 1);
3803 update_size(pb, entry_pos);
3806 return update_size(pb, pos);
3809 /* meta data tags */
3810 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
3814 int64_t pos = avio_tell(pb);
3815 avio_wb32(pb, 0); /* size */
3816 ffio_wfourcc(pb, "meta");
3818 if (mov->flags & FF_MOV_FLAG_USE_MDTA) {
3819 mov_write_mdta_hdlr_tag(pb, mov, s);
3820 mov_write_mdta_keys_tag(pb, mov, s);
3821 mov_write_mdta_ilst_tag(pb, mov, s);
3824 /* iTunes metadata tag */
3825 mov_write_itunes_hdlr_tag(pb, mov, s);
3826 mov_write_ilst_tag(pb, mov, s);
3828 size = update_size(pb, pos);
3832 static int mov_write_raw_metadata_tag(AVFormatContext *s, AVIOContext *pb,
3833 const char *name, const char *key)
3836 AVDictionaryEntry *t;
3838 if (!(t = av_dict_get(s->metadata, key, NULL, 0)))
3841 len = strlen(t->value);
3844 avio_wb32(pb, size);
3845 ffio_wfourcc(pb, name);
3846 avio_write(pb, t->value, len);
3852 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
3856 GET_UTF8(val, *b++, return -1;)
3859 avio_wb16(pb, 0x00);
3863 static uint16_t language_code(const char *str)
3865 return (((str[0] - 0x60) & 0x1F) << 10) +
3866 (((str[1] - 0x60) & 0x1F) << 5) +
3867 (( str[2] - 0x60) & 0x1F);
3870 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
3871 const char *tag, const char *str)
3873 int64_t pos = avio_tell(pb);
3874 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
3875 if (!t || !utf8len(t->value))
3877 avio_wb32(pb, 0); /* size */
3878 ffio_wfourcc(pb, tag); /* type */
3879 avio_wb32(pb, 0); /* version + flags */
3880 if (!strcmp(tag, "yrrc"))
3881 avio_wb16(pb, atoi(t->value));
3883 avio_wb16(pb, language_code("eng")); /* language */
3884 avio_write(pb, t->value, strlen(t->value) + 1); /* UTF8 string value */
3885 if (!strcmp(tag, "albm") &&
3886 (t = av_dict_get(s->metadata, "track", NULL, 0)))
3887 avio_w8(pb, atoi(t->value));
3889 return update_size(pb, pos);
3892 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
3894 int64_t pos = avio_tell(pb);
3895 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
3897 avio_wb32(pb, 0); // size
3898 ffio_wfourcc(pb, "chpl");
3899 avio_wb32(pb, 0x01000000); // version + flags
3900 avio_wb32(pb, 0); // unknown
3901 avio_w8(pb, nb_chapters);
3903 for (i = 0; i < nb_chapters; i++) {
3904 AVChapter *c = s->chapters[i];
3905 AVDictionaryEntry *t;
3906 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
3908 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3909 int len = FFMIN(strlen(t->value), 255);
3911 avio_write(pb, t->value, len);
3915 return update_size(pb, pos);
3918 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
3921 AVIOContext *pb_buf;
3925 ret = avio_open_dyn_buf(&pb_buf);
3929 if (mov->mode & MODE_3GP) {
3930 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
3931 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
3932 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
3933 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
3934 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
3935 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
3936 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
3937 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
3938 mov_write_loci_tag(s, pb_buf);
3939 } 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
3940 mov_write_string_metadata(s, pb_buf, "\251ART", "artist", 0);
3941 mov_write_string_metadata(s, pb_buf, "\251nam", "title", 0);
3942 mov_write_string_metadata(s, pb_buf, "\251aut", "author", 0);
3943 mov_write_string_metadata(s, pb_buf, "\251alb", "album", 0);
3944 mov_write_string_metadata(s, pb_buf, "\251day", "date", 0);
3945 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder", 0);
3946 // currently ignored by mov.c
3947 mov_write_string_metadata(s, pb_buf, "\251des", "comment", 0);
3948 // add support for libquicktime, this atom is also actually read by mov.c
3949 mov_write_string_metadata(s, pb_buf, "\251cmt", "comment", 0);
3950 mov_write_string_metadata(s, pb_buf, "\251gen", "genre", 0);
3951 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright", 0);
3952 mov_write_string_metadata(s, pb_buf, "\251mak", "make", 0);
3953 mov_write_string_metadata(s, pb_buf, "\251mod", "model", 0);
3954 mov_write_string_metadata(s, pb_buf, "\251xyz", "location", 0);
3955 mov_write_string_metadata(s, pb_buf, "\251key", "keywords", 0);
3956 mov_write_raw_metadata_tag(s, pb_buf, "XMP_", "xmp");
3958 /* iTunes meta data */
3959 mov_write_meta_tag(pb_buf, mov, s);
3960 mov_write_loci_tag(s, pb_buf);
3963 if (s->nb_chapters && !(mov->flags & FF_MOV_FLAG_DISABLE_CHPL))
3964 mov_write_chpl_tag(pb_buf, s);
3966 if ((size = avio_get_dyn_buf(pb_buf, &buf)) > 0) {
3967 avio_wb32(pb, size + 8);
3968 ffio_wfourcc(pb, "udta");
3969 avio_write(pb, buf, size);
3971 ffio_free_dyn_buf(&pb_buf);
3976 static void mov_write_psp_udta_tag(AVIOContext *pb,
3977 const char *str, const char *lang, int type)
3979 int len = utf8len(str) + 1;
3982 avio_wb16(pb, len * 2 + 10); /* size */
3983 avio_wb32(pb, type); /* type */
3984 avio_wb16(pb, language_code(lang)); /* language */
3985 avio_wb16(pb, 0x01); /* ? */
3986 ascii_to_wc(pb, str);
3989 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
3991 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
3995 pos = avio_tell(pb);
3996 avio_wb32(pb, 0); /* size placeholder*/
3997 ffio_wfourcc(pb, "uuid");
3998 ffio_wfourcc(pb, "USMT");
3999 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
4000 avio_wb32(pb, 0xbb88695c);
4001 avio_wb32(pb, 0xfac9c740);
4003 pos2 = avio_tell(pb);
4004 avio_wb32(pb, 0); /* size placeholder*/
4005 ffio_wfourcc(pb, "MTDT");
4009 avio_wb16(pb, 0x0C); /* size */
4010 avio_wb32(pb, 0x0B); /* type */
4011 avio_wb16(pb, language_code("und")); /* language */
4012 avio_wb16(pb, 0x0); /* ? */
4013 avio_wb16(pb, 0x021C); /* data */
4015 if (!(s->flags & AVFMT_FLAG_BITEXACT))
4016 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
4017 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
4018 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
4020 update_size(pb, pos2);
4021 return update_size(pb, pos);
4027 static void build_chunks(MOVTrack *trk)
4030 MOVIentry *chunk = &trk->cluster[0];
4031 uint64_t chunkSize = chunk->size;
4032 chunk->chunkNum = 1;
4033 if (trk->chunkCount)
4035 trk->chunkCount = 1;
4036 for (i = 1; i<trk->entry; i++){
4037 if (chunk->pos + chunkSize == trk->cluster[i].pos &&
4038 chunkSize + trk->cluster[i].size < (1<<20)){
4039 chunkSize += trk->cluster[i].size;
4040 chunk->samples_in_chunk += trk->cluster[i].entries;
4042 trk->cluster[i].chunkNum = chunk->chunkNum+1;
4043 chunk=&trk->cluster[i];
4044 chunkSize = chunk->size;
4051 * Assign track ids. If option "use_stream_ids_as_track_ids" is set,
4052 * the stream ids are used as track ids.
4054 * This assumes mov->tracks and s->streams are in the same order and
4055 * there are no gaps in either of them (so mov->tracks[n] refers to
4058 * As an exception, there can be more entries in
4059 * s->streams than in mov->tracks, in which case new track ids are
4060 * generated (starting after the largest found stream id).
4062 static int mov_setup_track_ids(MOVMuxContext *mov, AVFormatContext *s)
4066 if (mov->track_ids_ok)
4069 if (mov->use_stream_ids_as_track_ids) {
4070 int next_generated_track_id = 0;
4071 for (i = 0; i < s->nb_streams; i++) {
4072 if (s->streams[i]->id > next_generated_track_id)
4073 next_generated_track_id = s->streams[i]->id;
4076 for (i = 0; i < mov->nb_streams; i++) {
4077 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
4080 mov->tracks[i].track_id = i >= s->nb_streams ? ++next_generated_track_id : s->streams[i]->id;
4083 for (i = 0; i < mov->nb_streams; i++) {
4084 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
4087 mov->tracks[i].track_id = i + 1;
4091 mov->track_ids_ok = 1;
4096 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
4100 int64_t pos = avio_tell(pb);
4101 avio_wb32(pb, 0); /* size placeholder*/
4102 ffio_wfourcc(pb, "moov");
4104 mov_setup_track_ids(mov, s);
4106 for (i = 0; i < mov->nb_streams; i++) {
4107 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
4110 mov->tracks[i].time = mov->time;
4112 if (mov->tracks[i].entry)
4113 build_chunks(&mov->tracks[i]);
4116 if (mov->chapter_track)
4117 for (i = 0; i < s->nb_streams; i++) {
4118 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
4119 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
4121 for (i = 0; i < mov->nb_streams; i++) {
4122 MOVTrack *track = &mov->tracks[i];
4123 if (track->tag == MKTAG('r','t','p',' ')) {
4124 track->tref_tag = MKTAG('h','i','n','t');
4125 track->tref_id = mov->tracks[track->src_track].track_id;
4126 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
4127 int * fallback, size;
4128 fallback = (int*)av_stream_get_side_data(track->st,
4129 AV_PKT_DATA_FALLBACK_TRACK,
4131 if (fallback != NULL && size == sizeof(int)) {
4132 if (*fallback >= 0 && *fallback < mov->nb_streams) {
4133 track->tref_tag = MKTAG('f','a','l','l');
4134 track->tref_id = mov->tracks[*fallback].track_id;
4139 for (i = 0; i < mov->nb_streams; i++) {
4140 if (mov->tracks[i].tag == MKTAG('t','m','c','d')) {
4141 int src_trk = mov->tracks[i].src_track;
4142 mov->tracks[src_trk].tref_tag = mov->tracks[i].tag;
4143 mov->tracks[src_trk].tref_id = mov->tracks[i].track_id;
4144 //src_trk may have a different timescale than the tmcd track
4145 mov->tracks[i].track_duration = av_rescale(mov->tracks[src_trk].track_duration,
4146 mov->tracks[i].timescale,
4147 mov->tracks[src_trk].timescale);
4151 mov_write_mvhd_tag(pb, mov);
4152 if (mov->mode != MODE_MOV && !mov->iods_skip)
4153 mov_write_iods_tag(pb, mov);
4154 for (i = 0; i < mov->nb_streams; i++) {
4155 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
4156 int ret = mov_write_trak_tag(s, pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
4161 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
4162 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
4164 if (mov->mode == MODE_PSP)
4165 mov_write_uuidusmt_tag(pb, s);
4167 mov_write_udta_tag(pb, mov, s);
4169 return update_size(pb, pos);
4172 static void param_write_int(AVIOContext *pb, const char *name, int value)
4174 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
4177 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
4179 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
4182 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
4185 len = FFMIN(sizeof(buf) / 2 - 1, len);
4186 ff_data_to_hex(buf, value, len, 0);
4187 buf[2 * len] = '\0';
4188 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
4191 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov, AVFormatContext *s)
4193 int64_t pos = avio_tell(pb);
4195 int64_t manifest_bit_rate = 0;
4197 static const uint8_t uuid[] = {
4198 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
4199 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
4203 ffio_wfourcc(pb, "uuid");
4204 avio_write(pb, uuid, sizeof(uuid));
4207 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
4208 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
4209 avio_printf(pb, "<head>\n");
4210 if (!(mov->fc->flags & AVFMT_FLAG_BITEXACT))
4211 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
4213 avio_printf(pb, "</head>\n");
4214 avio_printf(pb, "<body>\n");
4215 avio_printf(pb, "<switch>\n");
4217 mov_setup_track_ids(mov, s);
4219 for (i = 0; i < mov->nb_streams; i++) {
4220 MOVTrack *track = &mov->tracks[i];
4221 struct mpeg4_bit_rate_values bit_rates =
4222 calculate_mpeg4_bit_rates(track);
4224 int track_id = track->track_id;
4225 char track_name_buf[32] = { 0 };
4227 AVStream *st = track->st;
4228 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
4230 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO && !is_cover_image(st)) {
4232 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
4238 if (track->par->bit_rate) {
4239 manifest_bit_rate = track->par->bit_rate;
4241 manifest_bit_rate = bit_rates.max_bit_rate;
4244 avio_printf(pb, "<%s systemBitrate=\"%"PRId64"\">\n", type,
4246 param_write_int(pb, "systemBitrate", manifest_bit_rate);
4247 param_write_int(pb, "trackID", track_id);
4248 param_write_string(pb, "systemLanguage", lang ? lang->value : "und");
4250 /* Build track name piece by piece: */
4252 av_strlcat(track_name_buf, type, sizeof(track_name_buf));
4253 /* 2. track language, if available */
4255 av_strlcatf(track_name_buf, sizeof(track_name_buf),
4256 "_%s", lang->value);
4257 /* 3. special type suffix */
4258 /* "_cc" = closed captions, "_ad" = audio_description */
4259 if (st->disposition & AV_DISPOSITION_HEARING_IMPAIRED)
4260 av_strlcat(track_name_buf, "_cc", sizeof(track_name_buf));
4261 else if (st->disposition & AV_DISPOSITION_VISUAL_IMPAIRED)
4262 av_strlcat(track_name_buf, "_ad", sizeof(track_name_buf));
4264 param_write_string(pb, "trackName", track_name_buf);
4266 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
4267 if (track->par->codec_id == AV_CODEC_ID_H264) {
4269 int size = track->par->extradata_size;
4270 if (!ff_avc_write_annexb_extradata(track->par->extradata, &ptr,
4272 param_write_hex(pb, "CodecPrivateData",
4273 ptr ? ptr : track->par->extradata,
4277 param_write_string(pb, "FourCC", "H264");
4278 } else if (track->par->codec_id == AV_CODEC_ID_VC1) {
4279 param_write_string(pb, "FourCC", "WVC1");
4280 param_write_hex(pb, "CodecPrivateData", track->par->extradata,
4281 track->par->extradata_size);
4283 param_write_int(pb, "MaxWidth", track->par->width);
4284 param_write_int(pb, "MaxHeight", track->par->height);
4285 param_write_int(pb, "DisplayWidth", track->par->width);
4286 param_write_int(pb, "DisplayHeight", track->par->height);
4288 if (track->par->codec_id == AV_CODEC_ID_AAC) {
4289 switch (track->par->profile)
4291 case FF_PROFILE_AAC_HE_V2:
4292 param_write_string(pb, "FourCC", "AACP");
4294 case FF_PROFILE_AAC_HE:
4295 param_write_string(pb, "FourCC", "AACH");
4298 param_write_string(pb, "FourCC", "AACL");
4300 } else if (track->par->codec_id == AV_CODEC_ID_WMAPRO) {
4301 param_write_string(pb, "FourCC", "WMAP");
4303 param_write_hex(pb, "CodecPrivateData", track->par->extradata,
4304 track->par->extradata_size);
4305 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
4306 track->par->codec_id));
4307 param_write_int(pb, "Channels", track->par->channels);
4308 param_write_int(pb, "SamplingRate", track->par->sample_rate);
4309 param_write_int(pb, "BitsPerSample", 16);
4310 param_write_int(pb, "PacketSize", track->par->block_align ?
4311 track->par->block_align : 4);
4313 avio_printf(pb, "</%s>\n", type);
4315 avio_printf(pb, "</switch>\n");
4316 avio_printf(pb, "</body>\n");
4317 avio_printf(pb, "</smil>\n");
4319 return update_size(pb, pos);
4322 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
4325 ffio_wfourcc(pb, "mfhd");
4327 avio_wb32(pb, mov->fragments);
4331 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
4333 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
4334 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
4337 static int mov_write_tfhd_tag(AVIOContext *pb, MOVMuxContext *mov,
4338 MOVTrack *track, int64_t moof_offset)
4340 int64_t pos = avio_tell(pb);
4341 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
4342 MOV_TFHD_BASE_DATA_OFFSET;
4343 if (!track->entry) {
4344 flags |= MOV_TFHD_DURATION_IS_EMPTY;
4346 flags |= MOV_TFHD_DEFAULT_FLAGS;
4348 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET)
4349 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
4350 if (mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) {
4351 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
4352 flags |= MOV_TFHD_DEFAULT_BASE_IS_MOOF;
4354 /* CMAF requires all values to be explicit in tfhd atoms */
4355 if (mov->flags & FF_MOV_FLAG_CMAF)
4356 flags |= MOV_TFHD_STSD_ID;
4358 /* Don't set a default sample size, the silverlight player refuses
4359 * to play files with that set. Don't set a default sample duration,
4360 * WMP freaks out if it is set. Don't set a base data offset, PIFF
4361 * file format says it MUST NOT be set. */
4362 if (track->mode == MODE_ISM)
4363 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
4364 MOV_TFHD_BASE_DATA_OFFSET | MOV_TFHD_STSD_ID);
4366 avio_wb32(pb, 0); /* size placeholder */
4367 ffio_wfourcc(pb, "tfhd");
4368 avio_w8(pb, 0); /* version */
4369 avio_wb24(pb, flags);
4371 avio_wb32(pb, track->track_id); /* track-id */
4372 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
4373 avio_wb64(pb, moof_offset);
4374 if (flags & MOV_TFHD_STSD_ID) {
4377 if (flags & MOV_TFHD_DEFAULT_DURATION) {
4378 track->default_duration = get_cluster_duration(track, 0);
4379 avio_wb32(pb, track->default_duration);
4381 if (flags & MOV_TFHD_DEFAULT_SIZE) {
4382 track->default_size = track->entry ? track->cluster[0].size : 1;
4383 avio_wb32(pb, track->default_size);
4385 track->default_size = -1;
4387 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
4388 /* Set the default flags based on the second sample, if available.
4389 * If the first sample is different, that can be signaled via a separate field. */
4390 if (track->entry > 1)
4391 track->default_sample_flags = get_sample_flags(track, &track->cluster[1]);
4393 track->default_sample_flags =
4394 track->par->codec_type == AVMEDIA_TYPE_VIDEO ?
4395 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
4396 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
4397 avio_wb32(pb, track->default_sample_flags);
4400 return update_size(pb, pos);
4403 static int mov_write_trun_tag(AVIOContext *pb, MOVMuxContext *mov,
4404 MOVTrack *track, int moof_size,
4407 int64_t pos = avio_tell(pb);
4408 uint32_t flags = MOV_TRUN_DATA_OFFSET;
4411 for (i = first; i < end; i++) {
4412 if (get_cluster_duration(track, i) != track->default_duration)
4413 flags |= MOV_TRUN_SAMPLE_DURATION;
4414 if (track->cluster[i].size != track->default_size)
4415 flags |= MOV_TRUN_SAMPLE_SIZE;
4416 if (i > first && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
4417 flags |= MOV_TRUN_SAMPLE_FLAGS;
4419 if (!(flags & MOV_TRUN_SAMPLE_FLAGS) && track->entry > 0 &&
4420 get_sample_flags(track, &track->cluster[0]) != track->default_sample_flags)
4421 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
4422 if (track->flags & MOV_TRACK_CTTS)
4423 flags |= MOV_TRUN_SAMPLE_CTS;
4425 avio_wb32(pb, 0); /* size placeholder */
4426 ffio_wfourcc(pb, "trun");
4427 if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4428 avio_w8(pb, 1); /* version */
4430 avio_w8(pb, 0); /* version */
4431 avio_wb24(pb, flags);
4433 avio_wb32(pb, end - first); /* sample count */
4434 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
4435 !(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) &&
4437 avio_wb32(pb, 0); /* Later tracks follow immediately after the previous one */
4439 avio_wb32(pb, moof_size + 8 + track->data_offset +
4440 track->cluster[first].pos); /* data offset */
4441 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
4442 avio_wb32(pb, get_sample_flags(track, &track->cluster[first]));
4444 for (i = first; i < end; i++) {
4445 if (flags & MOV_TRUN_SAMPLE_DURATION)
4446 avio_wb32(pb, get_cluster_duration(track, i));
4447 if (flags & MOV_TRUN_SAMPLE_SIZE)
4448 avio_wb32(pb, track->cluster[i].size);
4449 if (flags & MOV_TRUN_SAMPLE_FLAGS)
4450 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
4451 if (flags & MOV_TRUN_SAMPLE_CTS)
4452 avio_wb32(pb, track->cluster[i].cts);
4455 mov->first_trun = 0;
4456 return update_size(pb, pos);
4459 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
4461 int64_t pos = avio_tell(pb);
4462 static const uint8_t uuid[] = {
4463 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
4464 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
4467 avio_wb32(pb, 0); /* size placeholder */
4468 ffio_wfourcc(pb, "uuid");
4469 avio_write(pb, uuid, sizeof(uuid));
4472 avio_wb64(pb, track->start_dts + track->frag_start +
4473 track->cluster[0].cts);
4474 avio_wb64(pb, track->end_pts -
4475 (track->cluster[0].dts + track->cluster[0].cts));
4477 return update_size(pb, pos);
4480 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
4481 MOVTrack *track, int entry)
4483 int n = track->nb_frag_info - 1 - entry, i;
4484 int size = 8 + 16 + 4 + 1 + 16*n;
4485 static const uint8_t uuid[] = {
4486 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
4487 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
4493 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
4494 avio_wb32(pb, size);
4495 ffio_wfourcc(pb, "uuid");
4496 avio_write(pb, uuid, sizeof(uuid));
4500 for (i = 0; i < n; i++) {
4501 int index = entry + 1 + i;
4502 avio_wb64(pb, track->frag_info[index].time);
4503 avio_wb64(pb, track->frag_info[index].duration);
4505 if (n < mov->ism_lookahead) {
4506 int free_size = 16 * (mov->ism_lookahead - n);
4507 avio_wb32(pb, free_size);
4508 ffio_wfourcc(pb, "free");
4509 ffio_fill(pb, 0, free_size - 8);
4515 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
4518 int64_t pos = avio_tell(pb);
4520 for (i = 0; i < mov->ism_lookahead; i++) {
4521 /* Update the tfrf tag for the last ism_lookahead fragments,
4522 * nb_frag_info - 1 is the next fragment to be written. */
4523 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
4525 avio_seek(pb, pos, SEEK_SET);
4529 static int mov_add_tfra_entries(AVIOContext *pb, MOVMuxContext *mov, int tracks,
4533 for (i = 0; i < mov->nb_streams; i++) {
4534 MOVTrack *track = &mov->tracks[i];
4535 MOVFragmentInfo *info;
4536 if ((tracks >= 0 && i != tracks) || !track->entry)
4538 track->nb_frag_info++;
4539 if (track->nb_frag_info >= track->frag_info_capacity) {
4540 unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT;
4541 if (av_reallocp_array(&track->frag_info,
4543 sizeof(*track->frag_info)))
4544 return AVERROR(ENOMEM);
4545 track->frag_info_capacity = new_capacity;
4547 info = &track->frag_info[track->nb_frag_info - 1];
4548 info->offset = avio_tell(pb);
4550 // Try to recreate the original pts for the first packet
4551 // from the fields we have stored
4552 info->time = track->start_dts + track->frag_start +
4553 track->cluster[0].cts;
4554 info->duration = track->end_pts -
4555 (track->cluster[0].dts + track->cluster[0].cts);
4556 // If the pts is less than zero, we will have trimmed
4557 // away parts of the media track using an edit list,
4558 // and the corresponding start presentation time is zero.
4559 if (info->time < 0) {
4560 info->duration += info->time;
4563 info->tfrf_offset = 0;
4564 mov_write_tfrf_tags(pb, mov, track);
4569 static void mov_prune_frag_info(MOVMuxContext *mov, int tracks, int max)
4572 for (i = 0; i < mov->nb_streams; i++) {
4573 MOVTrack *track = &mov->tracks[i];
4574 if ((tracks >= 0 && i != tracks) || !track->entry)
4576 if (track->nb_frag_info > max) {
4577 memmove(track->frag_info, track->frag_info + (track->nb_frag_info - max), max * sizeof(*track->frag_info));
4578 track->nb_frag_info = max;
4583 static int mov_write_tfdt_tag(AVIOContext *pb, MOVTrack *track)
4585 int64_t pos = avio_tell(pb);
4587 avio_wb32(pb, 0); /* size */
4588 ffio_wfourcc(pb, "tfdt");
4589 avio_w8(pb, 1); /* version */
4591 avio_wb64(pb, track->frag_start);
4592 return update_size(pb, pos);
4595 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
4596 MOVTrack *track, int64_t moof_offset,
4599 int64_t pos = avio_tell(pb);
4601 avio_wb32(pb, 0); /* size placeholder */
4602 ffio_wfourcc(pb, "traf");
4604 mov_write_tfhd_tag(pb, mov, track, moof_offset);
4605 if (mov->mode != MODE_ISM)
4606 mov_write_tfdt_tag(pb, track);
4607 for (i = 1; i < track->entry; i++) {
4608 if (track->cluster[i].pos != track->cluster[i - 1].pos + track->cluster[i - 1].size) {
4609 mov_write_trun_tag(pb, mov, track, moof_size, start, i);
4613 mov_write_trun_tag(pb, mov, track, moof_size, start, track->entry);
4614 if (mov->mode == MODE_ISM) {
4615 mov_write_tfxd_tag(pb, track);
4617 if (mov->ism_lookahead) {
4618 int i, size = 16 + 4 + 1 + 16 * mov->ism_lookahead;
4620 if (track->nb_frag_info > 0) {
4621 MOVFragmentInfo *info = &track->frag_info[track->nb_frag_info - 1];
4622 if (!info->tfrf_offset)
4623 info->tfrf_offset = avio_tell(pb);
4625 avio_wb32(pb, 8 + size);
4626 ffio_wfourcc(pb, "free");
4627 for (i = 0; i < size; i++)
4632 return update_size(pb, pos);
4635 static int mov_write_moof_tag_internal(AVIOContext *pb, MOVMuxContext *mov,
4636 int tracks, int moof_size)
4638 int64_t pos = avio_tell(pb);
4641 avio_wb32(pb, 0); /* size placeholder */
4642 ffio_wfourcc(pb, "moof");
4643 mov->first_trun = 1;
4645 mov_write_mfhd_tag(pb, mov);
4646 for (i = 0; i < mov->nb_streams; i++) {
4647 MOVTrack *track = &mov->tracks[i];
4648 if (tracks >= 0 && i != tracks)
4652 mov_write_traf_tag(pb, mov, track, pos, moof_size);
4655 return update_size(pb, pos);
4658 static int mov_write_sidx_tag(AVIOContext *pb,
4659 MOVTrack *track, int ref_size, int total_sidx_size)
4661 int64_t pos = avio_tell(pb), offset_pos, end_pos;
4662 int64_t presentation_time, duration, offset;
4663 unsigned starts_with_SAP;
4668 presentation_time = track->start_dts + track->frag_start +
4669 track->cluster[0].cts;
4670 duration = track->end_pts -
4671 (track->cluster[0].dts + track->cluster[0].cts);
4672 starts_with_SAP = track->cluster[0].flags & MOV_SYNC_SAMPLE;
4674 // pts<0 should be cut away using edts
4675 if (presentation_time < 0) {
4676 duration += presentation_time;
4677 presentation_time = 0;
4680 entries = track->nb_frag_info;
4683 presentation_time = track->frag_info[0].time;
4686 avio_wb32(pb, 0); /* size */
4687 ffio_wfourcc(pb, "sidx");
4688 avio_w8(pb, 1); /* version */
4690 avio_wb32(pb, track->track_id); /* reference_ID */
4691 avio_wb32(pb, track->timescale); /* timescale */
4692 avio_wb64(pb, presentation_time); /* earliest_presentation_time */
4693 offset_pos = avio_tell(pb);
4694 avio_wb64(pb, 0); /* first_offset (offset to referenced moof) */
4695 avio_wb16(pb, 0); /* reserved */
4697 avio_wb16(pb, entries); /* reference_count */
4698 for (i = 0; i < entries; i++) {
4699 if (!track->entry) {
4700 if (i > 1 && track->frag_info[i].offset != track->frag_info[i - 1].offset + track->frag_info[i - 1].size) {
4701 av_log(NULL, AV_LOG_ERROR, "Non-consecutive fragments, writing incorrect sidx\n");
4703 duration = track->frag_info[i].duration;
4704 ref_size = track->frag_info[i].size;
4705 starts_with_SAP = 1;
4707 avio_wb32(pb, (0 << 31) | (ref_size & 0x7fffffff)); /* reference_type (0 = media) | referenced_size */
4708 avio_wb32(pb, duration); /* subsegment_duration */
4709 avio_wb32(pb, (starts_with_SAP << 31) | (0 << 28) | 0); /* starts_with_SAP | SAP_type | SAP_delta_time */
4712 end_pos = avio_tell(pb);
4713 offset = pos + total_sidx_size - end_pos;
4714 avio_seek(pb, offset_pos, SEEK_SET);
4715 avio_wb64(pb, offset);
4716 avio_seek(pb, end_pos, SEEK_SET);
4717 return update_size(pb, pos);
4720 static int mov_write_sidx_tags(AVIOContext *pb, MOVMuxContext *mov,
4721 int tracks, int ref_size)
4724 AVIOContext *avio_buf;
4726 for (round = 0; round < 2; round++) {
4727 // First run one round to calculate the total size of all
4729 // This would be much simpler if we'd only write one sidx
4730 // atom, for the first track in the moof.
4732 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
4737 for (i = 0; i < mov->nb_streams; i++) {
4738 MOVTrack *track = &mov->tracks[i];
4739 if (tracks >= 0 && i != tracks)
4741 // When writing a sidx for the full file, entry is 0, but
4742 // we want to include all tracks. ref_size is 0 in this case,
4743 // since we read it from frag_info instead.
4744 if (!track->entry && ref_size > 0)
4746 total_size -= mov_write_sidx_tag(avio_buf, track, ref_size,
4750 total_size = ffio_close_null_buf(avio_buf);
4755 static int mov_write_prft_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
4757 int64_t pos = avio_tell(pb), pts_us, ntp_ts;
4758 MOVTrack *first_track;
4761 /* PRFT should be associated with at most one track. So, choosing only the
4765 first_track = &(mov->tracks[0]);
4767 if (!first_track->entry) {
4768 av_log(mov->fc, AV_LOG_WARNING, "Unable to write PRFT, no entries in the track\n");
4772 if (first_track->cluster[0].pts == AV_NOPTS_VALUE) {
4773 av_log(mov->fc, AV_LOG_WARNING, "Unable to write PRFT, first PTS is invalid\n");
4777 if (mov->write_prft == MOV_PRFT_SRC_WALLCLOCK) {
4778 if (first_track->cluster[0].prft.wallclock) {
4779 /* Round the NTP time to whole milliseconds. */
4780 ntp_ts = ff_get_formatted_ntp_time((first_track->cluster[0].prft.wallclock / 1000) * 1000 +
4782 flags = first_track->cluster[0].prft.flags;
4784 ntp_ts = ff_get_formatted_ntp_time(ff_ntp_time());
4785 } else if (mov->write_prft == MOV_PRFT_SRC_PTS) {
4786 pts_us = av_rescale_q(first_track->cluster[0].pts,
4787 first_track->st->time_base, AV_TIME_BASE_Q);
4788 ntp_ts = ff_get_formatted_ntp_time(pts_us + NTP_OFFSET_US);
4790 av_log(mov->fc, AV_LOG_WARNING, "Unsupported PRFT box configuration: %d\n",
4795 avio_wb32(pb, 0); // Size place holder
4796 ffio_wfourcc(pb, "prft"); // Type
4797 avio_w8(pb, 1); // Version
4798 avio_wb24(pb, flags); // Flags
4799 avio_wb32(pb, first_track->track_id); // reference track ID
4800 avio_wb64(pb, ntp_ts); // NTP time stamp
4801 avio_wb64(pb, first_track->cluster[0].pts); //media time
4802 return update_size(pb, pos);
4805 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks,
4808 AVIOContext *avio_buf;
4811 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
4813 mov_write_moof_tag_internal(avio_buf, mov, tracks, 0);
4814 moof_size = ffio_close_null_buf(avio_buf);
4816 if (mov->flags & FF_MOV_FLAG_DASH &&
4817 !(mov->flags & (FF_MOV_FLAG_GLOBAL_SIDX | FF_MOV_FLAG_SKIP_SIDX)))
4818 mov_write_sidx_tags(pb, mov, tracks, moof_size + 8 + mdat_size);
4820 if (mov->write_prft > MOV_PRFT_NONE && mov->write_prft < MOV_PRFT_NB)
4821 mov_write_prft_tag(pb, mov, tracks);
4823 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX ||
4824 !(mov->flags & FF_MOV_FLAG_SKIP_TRAILER) ||
4825 mov->ism_lookahead) {
4826 if ((ret = mov_add_tfra_entries(pb, mov, tracks, moof_size + 8 + mdat_size)) < 0)
4828 if (!(mov->flags & FF_MOV_FLAG_GLOBAL_SIDX) &&
4829 mov->flags & FF_MOV_FLAG_SKIP_TRAILER) {
4830 mov_prune_frag_info(mov, tracks, mov->ism_lookahead + 1);
4834 return mov_write_moof_tag_internal(pb, mov, tracks, moof_size);
4837 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
4839 int64_t pos = avio_tell(pb);
4842 avio_wb32(pb, 0); /* size placeholder */
4843 ffio_wfourcc(pb, "tfra");
4844 avio_w8(pb, 1); /* version */
4847 avio_wb32(pb, track->track_id);
4848 avio_wb32(pb, 0); /* length of traf/trun/sample num */
4849 avio_wb32(pb, track->nb_frag_info);
4850 for (i = 0; i < track->nb_frag_info; i++) {
4851 avio_wb64(pb, track->frag_info[i].time);
4852 avio_wb64(pb, track->frag_info[i].offset + track->data_offset);
4853 avio_w8(pb, 1); /* traf number */
4854 avio_w8(pb, 1); /* trun number */
4855 avio_w8(pb, 1); /* sample number */
4858 return update_size(pb, pos);
4861 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
4863 AVIOContext *mfra_pb;
4867 ret = avio_open_dyn_buf(&mfra_pb);
4871 avio_wb32(mfra_pb, 0); /* size placeholder */
4872 ffio_wfourcc(mfra_pb, "mfra");
4873 /* An empty mfra atom is enough to indicate to the publishing point that
4874 * the stream has ended. */
4875 if (mov->flags & FF_MOV_FLAG_ISML)
4878 for (i = 0; i < mov->nb_streams; i++) {
4879 MOVTrack *track = &mov->tracks[i];
4880 if (track->nb_frag_info)
4881 mov_write_tfra_tag(mfra_pb, track);
4884 avio_wb32(mfra_pb, 16);
4885 ffio_wfourcc(mfra_pb, "mfro");
4886 avio_wb32(mfra_pb, 0); /* version + flags */
4887 avio_wb32(mfra_pb, avio_tell(mfra_pb) + 4);
4891 sz = update_size(mfra_pb, 0);
4892 ret = avio_get_dyn_buf(mfra_pb, &buf);
4893 avio_write(pb, buf, ret);
4894 ffio_free_dyn_buf(&mfra_pb);
4899 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
4901 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
4902 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
4904 mov->mdat_pos = avio_tell(pb);
4905 avio_wb32(pb, 0); /* size placeholder*/
4906 ffio_wfourcc(pb, "mdat");
4910 static void mov_write_ftyp_tag_internal(AVIOContext *pb, AVFormatContext *s,
4911 int has_h264, int has_video, int write_minor)
4913 MOVMuxContext *mov = s->priv_data;
4916 if (mov->major_brand && strlen(mov->major_brand) >= 4)
4917 ffio_wfourcc(pb, mov->major_brand);
4918 else if (mov->mode == MODE_3GP) {
4919 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
4920 minor = has_h264 ? 0x100 : 0x200;
4921 } else if (mov->mode & MODE_3G2) {
4922 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
4923 minor = has_h264 ? 0x20000 : 0x10000;
4924 } else if (mov->mode == MODE_PSP)
4925 ffio_wfourcc(pb, "MSNV");
4926 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_FRAGMENT &&
4927 mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4928 ffio_wfourcc(pb, "iso6"); // Required when using signed CTS offsets in trun boxes
4929 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
4930 ffio_wfourcc(pb, "iso5"); // Required when using default-base-is-moof
4931 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4932 ffio_wfourcc(pb, "iso4");
4933 else if (mov->mode == MODE_MP4)
4934 ffio_wfourcc(pb, "isom");
4935 else if (mov->mode == MODE_IPOD)
4936 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
4937 else if (mov->mode == MODE_ISM)
4938 ffio_wfourcc(pb, "isml");
4939 else if (mov->mode == MODE_F4V)
4940 ffio_wfourcc(pb, "f4v ");
4942 ffio_wfourcc(pb, "qt ");
4945 avio_wb32(pb, minor);
4948 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
4950 MOVMuxContext *mov = s->priv_data;
4951 int64_t pos = avio_tell(pb);
4952 int has_h264 = 0, has_av1 = 0, has_video = 0;
4955 for (i = 0; i < s->nb_streams; i++) {
4956 AVStream *st = s->streams[i];
4957 if (is_cover_image(st))
4959 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
4961 if (st->codecpar->codec_id == AV_CODEC_ID_H264)
4963 if (st->codecpar->codec_id == AV_CODEC_ID_AV1)
4967 avio_wb32(pb, 0); /* size */
4968 ffio_wfourcc(pb, "ftyp");
4970 // Write major brand
4971 mov_write_ftyp_tag_internal(pb, s, has_h264, has_video, 1);
4972 // Write the major brand as the first compatible brand as well
4973 mov_write_ftyp_tag_internal(pb, s, has_h264, has_video, 0);
4975 // Write compatible brands, ensuring that we don't write the major brand as a
4976 // compatible brand a second time.
4977 if (mov->mode == MODE_ISM) {
4978 ffio_wfourcc(pb, "piff");
4979 } else if (mov->mode != MODE_MOV) {
4980 // We add tfdt atoms when fragmenting, signal this with the iso6 compatible
4981 // brand, if not already the major brand. This is compatible with users that
4982 // don't understand tfdt.
4983 if (mov->mode == MODE_MP4) {
4984 if (mov->flags & FF_MOV_FLAG_CMAF)
4985 ffio_wfourcc(pb, "cmfc");
4986 if (mov->flags & FF_MOV_FLAG_FRAGMENT && !(mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS))
4987 ffio_wfourcc(pb, "iso6");
4989 ffio_wfourcc(pb, "av01");
4991 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
4992 ffio_wfourcc(pb, "iso6");
4993 if (mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
4994 ffio_wfourcc(pb, "iso5");
4995 else if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4996 ffio_wfourcc(pb, "iso4");
4998 // Brands prior to iso5 can't be signaled when using default-base-is-moof
4999 if (!(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)) {
5000 // write isom for mp4 only if it it's not the major brand already.
5001 if (mov->mode != MODE_MP4 || mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
5002 ffio_wfourcc(pb, "isom");
5003 ffio_wfourcc(pb, "iso2");
5005 ffio_wfourcc(pb, "avc1");
5009 if (mov->mode == MODE_MP4)
5010 ffio_wfourcc(pb, "mp41");
5012 if (mov->flags & FF_MOV_FLAG_DASH && mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
5013 ffio_wfourcc(pb, "dash");
5015 return update_size(pb, pos);
5018 static int mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
5020 AVStream *video_st = s->streams[0];
5021 AVCodecParameters *video_par = s->streams[0]->codecpar;
5022 AVCodecParameters *audio_par = s->streams[1]->codecpar;
5023 int audio_rate = audio_par->sample_rate;
5024 int64_t frame_rate = video_st->avg_frame_rate.den ?
5025 (video_st->avg_frame_rate.num * 0x10000LL) / video_st->avg_frame_rate.den :
5027 int audio_kbitrate = audio_par->bit_rate / 1000;
5028 int video_kbitrate = FFMIN(video_par->bit_rate / 1000, 800 - audio_kbitrate);
5030 if (frame_rate < 0 || frame_rate > INT32_MAX) {
5031 av_log(s, AV_LOG_ERROR, "Frame rate %f outside supported range\n", frame_rate / (double)0x10000);
5032 return AVERROR(EINVAL);
5035 avio_wb32(pb, 0x94); /* size */
5036 ffio_wfourcc(pb, "uuid");
5037 ffio_wfourcc(pb, "PROF");
5039 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
5040 avio_wb32(pb, 0xbb88695c);
5041 avio_wb32(pb, 0xfac9c740);
5043 avio_wb32(pb, 0x0); /* ? */
5044 avio_wb32(pb, 0x3); /* 3 sections ? */
5046 avio_wb32(pb, 0x14); /* size */
5047 ffio_wfourcc(pb, "FPRF");
5048 avio_wb32(pb, 0x0); /* ? */
5049 avio_wb32(pb, 0x0); /* ? */
5050 avio_wb32(pb, 0x0); /* ? */
5052 avio_wb32(pb, 0x2c); /* size */
5053 ffio_wfourcc(pb, "APRF"); /* audio */
5055 avio_wb32(pb, 0x2); /* TrackID */
5056 ffio_wfourcc(pb, "mp4a");
5057 avio_wb32(pb, 0x20f);
5059 avio_wb32(pb, audio_kbitrate);
5060 avio_wb32(pb, audio_kbitrate);
5061 avio_wb32(pb, audio_rate);
5062 avio_wb32(pb, audio_par->channels);
5064 avio_wb32(pb, 0x34); /* size */
5065 ffio_wfourcc(pb, "VPRF"); /* video */
5067 avio_wb32(pb, 0x1); /* TrackID */
5068 if (video_par->codec_id == AV_CODEC_ID_H264) {
5069 ffio_wfourcc(pb, "avc1");
5070 avio_wb16(pb, 0x014D);
5071 avio_wb16(pb, 0x0015);
5073 ffio_wfourcc(pb, "mp4v");
5074 avio_wb16(pb, 0x0000);
5075 avio_wb16(pb, 0x0103);
5078 avio_wb32(pb, video_kbitrate);
5079 avio_wb32(pb, video_kbitrate);
5080 avio_wb32(pb, frame_rate);
5081 avio_wb32(pb, frame_rate);
5082 avio_wb16(pb, video_par->width);
5083 avio_wb16(pb, video_par->height);
5084 avio_wb32(pb, 0x010001); /* ? */
5089 static int mov_write_identification(AVIOContext *pb, AVFormatContext *s)
5091 MOVMuxContext *mov = s->priv_data;
5094 mov_write_ftyp_tag(pb,s);
5095 if (mov->mode == MODE_PSP) {
5096 int video_streams_nb = 0, audio_streams_nb = 0, other_streams_nb = 0;
5097 for (i = 0; i < s->nb_streams; i++) {
5098 AVStream *st = s->streams[i];
5099 if (is_cover_image(st))
5101 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
5103 else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
5109 if (video_streams_nb != 1 || audio_streams_nb != 1 || other_streams_nb) {
5110 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
5111 return AVERROR(EINVAL);
5113 return mov_write_uuidprof_tag(pb, s);
5118 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
5121 int i, closed_gop = 0;
5123 for (i = 0; i < pkt->size - 4; i++) {
5124 c = (c << 8) + pkt->data[i];
5125 if (c == 0x1b8) { // gop
5126 closed_gop = pkt->data[i + 4] >> 6 & 0x01;
5127 } else if (c == 0x100) { // pic
5128 int temp_ref = (pkt->data[i + 1] << 2) | (pkt->data[i + 2] >> 6);
5129 if (!temp_ref || closed_gop) // I picture is not reordered
5130 *flags = MOV_SYNC_SAMPLE;
5132 *flags = MOV_PARTIAL_SYNC_SAMPLE;
5139 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk)
5141 const uint8_t *start, *next, *end = pkt->data + pkt->size;
5142 int seq = 0, entry = 0;
5143 int key = pkt->flags & AV_PKT_FLAG_KEY;
5144 start = find_next_marker(pkt->data, end);
5145 for (next = start; next < end; start = next) {
5146 next = find_next_marker(start + 4, end);
5147 switch (AV_RB32(start)) {
5148 case VC1_CODE_SEQHDR:
5151 case VC1_CODE_ENTRYPOINT:
5154 case VC1_CODE_SLICE:
5155 trk->vc1_info.slices = 1;
5159 if (!trk->entry && trk->vc1_info.first_packet_seen)
5160 trk->vc1_info.first_frag_written = 1;
5161 if (!trk->entry && !trk->vc1_info.first_frag_written) {
5162 /* First packet in first fragment */
5163 trk->vc1_info.first_packet_seq = seq;
5164 trk->vc1_info.first_packet_entry = entry;
5165 trk->vc1_info.first_packet_seen = 1;
5166 } else if ((seq && !trk->vc1_info.packet_seq) ||
5167 (entry && !trk->vc1_info.packet_entry)) {
5169 for (i = 0; i < trk->entry; i++)
5170 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
5171 trk->has_keyframes = 0;
5173 trk->vc1_info.packet_seq = 1;
5175 trk->vc1_info.packet_entry = 1;
5176 if (!trk->vc1_info.first_frag_written) {
5177 /* First fragment */
5178 if ((!seq || trk->vc1_info.first_packet_seq) &&
5179 (!entry || trk->vc1_info.first_packet_entry)) {
5180 /* First packet had the same headers as this one, readd the
5181 * sync sample flag. */
5182 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
5183 trk->has_keyframes = 1;
5187 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
5189 else if (trk->vc1_info.packet_seq)
5191 else if (trk->vc1_info.packet_entry)
5194 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
5195 trk->has_keyframes++;
5199 static void mov_parse_truehd_frame(AVPacket *pkt, MOVTrack *trk)
5206 length = (AV_RB16(pkt->data) & 0xFFF) * 2;
5207 if (length < 8 || length > pkt->size)
5210 if (AV_RB32(pkt->data + 4) == 0xF8726FBA) {
5211 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
5212 trk->has_keyframes++;
5218 static int mov_flush_fragment_interleaving(AVFormatContext *s, MOVTrack *track)
5220 MOVMuxContext *mov = s->priv_data;
5225 if (!track->mdat_buf)
5227 if (!mov->mdat_buf) {
5228 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
5231 buf_size = avio_get_dyn_buf(track->mdat_buf, &buf);
5233 offset = avio_tell(mov->mdat_buf);
5234 avio_write(mov->mdat_buf, buf, buf_size);
5235 ffio_free_dyn_buf(&track->mdat_buf);
5237 for (i = track->entries_flushed; i < track->entry; i++)
5238 track->cluster[i].pos += offset;
5239 track->entries_flushed = track->entry;
5243 static int mov_flush_fragment(AVFormatContext *s, int force)
5245 MOVMuxContext *mov = s->priv_data;
5246 int i, first_track = -1;
5247 int64_t mdat_size = 0;
5249 int has_video = 0, starts_with_key = 0, first_video_track = 1;
5251 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
5254 // Try to fill in the duration of the last packet in each stream
5255 // from queued packets in the interleave queues. If the flushing
5256 // of fragments was triggered automatically by an AVPacket, we
5257 // already have reliable info for the end of that track, but other
5258 // tracks may need to be filled in.
5259 for (i = 0; i < s->nb_streams; i++) {
5260 MOVTrack *track = &mov->tracks[i];
5261 if (!track->end_reliable) {
5263 if (!ff_interleaved_peek(s, i, &pkt, 1)) {
5264 if (track->dts_shift != AV_NOPTS_VALUE)
5265 pkt.dts += track->dts_shift;
5266 track->track_duration = pkt.dts - track->start_dts;
5267 if (pkt.pts != AV_NOPTS_VALUE)
5268 track->end_pts = pkt.pts;
5270 track->end_pts = pkt.dts;
5275 for (i = 0; i < mov->nb_streams; i++) {
5276 MOVTrack *track = &mov->tracks[i];
5277 if (track->entry <= 1)
5279 // Sample durations are calculated as the diff of dts values,
5280 // but for the last sample in a fragment, we don't know the dts
5281 // of the first sample in the next fragment, so we have to rely
5282 // on what was set as duration in the AVPacket. Not all callers
5283 // set this though, so we might want to replace it with an
5284 // estimate if it currently is zero.
5285 if (get_cluster_duration(track, track->entry - 1) != 0)
5287 // Use the duration (i.e. dts diff) of the second last sample for
5288 // the last one. This is a wild guess (and fatal if it turns out
5289 // to be too long), but probably the best we can do - having a zero
5290 // duration is bad as well.
5291 track->track_duration += get_cluster_duration(track, track->entry - 2);
5292 track->end_pts += get_cluster_duration(track, track->entry - 2);
5293 if (!mov->missing_duration_warned) {
5294 av_log(s, AV_LOG_WARNING,
5295 "Estimating the duration of the last packet in a "
5296 "fragment, consider setting the duration field in "
5297 "AVPacket instead.\n");
5298 mov->missing_duration_warned = 1;
5302 if (!mov->moov_written) {
5303 int64_t pos = avio_tell(s->pb);
5305 int buf_size, moov_size;
5307 for (i = 0; i < mov->nb_streams; i++)
5308 if (!mov->tracks[i].entry && !is_cover_image(mov->tracks[i].st))
5310 /* Don't write the initial moov unless all tracks have data */
5311 if (i < mov->nb_streams && !force)
5314 moov_size = get_moov_size(s);
5315 for (i = 0; i < mov->nb_streams; i++)
5316 mov->tracks[i].data_offset = pos + moov_size + 8;
5318 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_HEADER);
5319 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
5320 mov_write_identification(s->pb, s);
5321 if ((ret = mov_write_moov_tag(s->pb, mov, s)) < 0)
5324 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV) {
5325 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
5326 mov->reserved_header_pos = avio_tell(s->pb);
5327 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
5328 mov->moov_written = 1;
5332 buf_size = avio_get_dyn_buf(mov->mdat_buf, &buf);
5333 avio_wb32(s->pb, buf_size + 8);
5334 ffio_wfourcc(s->pb, "mdat");
5335 avio_write(s->pb, buf, buf_size);
5336 ffio_free_dyn_buf(&mov->mdat_buf);
5338 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
5339 mov->reserved_header_pos = avio_tell(s->pb);
5341 mov->moov_written = 1;
5343 for (i = 0; i < mov->nb_streams; i++) {
5344 if (mov->tracks[i].entry)
5345 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
5346 mov->tracks[i].track_duration -
5347 mov->tracks[i].cluster[0].dts;
5348 mov->tracks[i].entry = 0;
5349 mov->tracks[i].end_reliable = 0;
5351 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
5355 if (mov->frag_interleave) {
5356 for (i = 0; i < mov->nb_streams; i++) {
5357 MOVTrack *track = &mov->tracks[i];
5359 if ((ret = mov_flush_fragment_interleaving(s, track)) < 0)
5365 mdat_size = avio_tell(mov->mdat_buf);
5368 for (i = 0; i < mov->nb_streams; i++) {
5369 MOVTrack *track = &mov->tracks[i];
5370 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF || mov->frag_interleave)
5371 track->data_offset = 0;
5373 track->data_offset = mdat_size;
5374 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
5376 if (first_video_track) {
5378 starts_with_key = track->cluster[0].flags & MOV_SYNC_SAMPLE;
5379 first_video_track = 0;
5384 if (track->mdat_buf)
5385 mdat_size += avio_tell(track->mdat_buf);
5386 if (first_track < 0)
5393 avio_write_marker(s->pb,
5394 av_rescale(mov->tracks[first_track].cluster[0].dts, AV_TIME_BASE, mov->tracks[first_track].timescale),
5395 (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);
5397 for (i = 0; i < mov->nb_streams; i++) {
5398 MOVTrack *track = &mov->tracks[i];
5399 int buf_size, write_moof = 1, moof_tracks = -1;
5401 int64_t duration = 0;
5404 duration = track->start_dts + track->track_duration -
5405 track->cluster[0].dts;
5406 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
5407 if (!track->mdat_buf)
5409 mdat_size = avio_tell(track->mdat_buf);
5412 write_moof = i == first_track;
5416 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
5418 mov_write_moof_tag(s->pb, mov, moof_tracks, mdat_size);
5421 avio_wb32(s->pb, mdat_size + 8);
5422 ffio_wfourcc(s->pb, "mdat");
5426 track->frag_start += duration;
5428 track->entries_flushed = 0;
5429 track->end_reliable = 0;
5430 if (!mov->frag_interleave) {
5431 if (!track->mdat_buf)
5433 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
5434 track->mdat_buf = NULL;
5438 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
5439 mov->mdat_buf = NULL;
5442 avio_write(s->pb, buf, buf_size);
5448 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
5452 static int mov_auto_flush_fragment(AVFormatContext *s, int force)
5454 MOVMuxContext *mov = s->priv_data;
5455 int had_moov = mov->moov_written;
5456 int ret = mov_flush_fragment(s, force);
5459 // If using delay_moov, the first flush only wrote the moov,
5460 // not the actual moof+mdat pair, thus flush once again.
5461 if (!had_moov && mov->flags & FF_MOV_FLAG_DELAY_MOOV)
5462 ret = mov_flush_fragment(s, force);
5466 static int check_pkt(AVFormatContext *s, AVPacket *pkt)
5468 MOVMuxContext *mov = s->priv_data;
5469 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5474 ref = trk->cluster[trk->entry - 1].dts;
5475 } else if ( trk->start_dts != AV_NOPTS_VALUE
5476 && !trk->frag_discont) {
5477 ref = trk->start_dts + trk->track_duration;
5479 ref = pkt->dts; // Skip tests for the first packet
5481 if (trk->dts_shift != AV_NOPTS_VALUE) {
5482 /* With negative CTS offsets we have set an offset to the DTS,
5483 * reverse this for the check. */
5484 ref -= trk->dts_shift;
5487 duration = pkt->dts - ref;
5488 if (pkt->dts < ref || duration >= INT_MAX) {
5489 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" / timestamp: %"PRId64" is out of range for mov/mp4 format\n",
5494 pkt->pts = AV_NOPTS_VALUE;
5497 if (pkt->duration < 0 || pkt->duration > INT_MAX) {
5498 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" is invalid\n", pkt->duration);
5499 return AVERROR(EINVAL);
5504 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
5506 MOVMuxContext *mov = s->priv_data;
5507 AVIOContext *pb = s->pb;
5508 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5509 AVCodecParameters *par = trk->par;
5510 AVProducerReferenceTime *prft;
5511 unsigned int samples_in_chunk = 0;
5512 int size = pkt->size, ret = 0, offset = 0;
5514 uint8_t *reformatted_data = NULL;
5516 ret = check_pkt(s, pkt);
5520 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
5522 if (mov->moov_written || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
5523 if (mov->frag_interleave && mov->fragments > 0) {
5524 if (trk->entry - trk->entries_flushed >= mov->frag_interleave) {
5525 if ((ret = mov_flush_fragment_interleaving(s, trk)) < 0)
5530 if (!trk->mdat_buf) {
5531 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
5536 if (!mov->mdat_buf) {
5537 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
5544 if (par->codec_id == AV_CODEC_ID_AMR_NB) {
5545 /* We must find out how many AMR blocks there are in one packet */
5546 static const uint16_t packed_size[16] =
5547 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
5550 while (len < size && samples_in_chunk < 100) {
5551 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
5554 if (samples_in_chunk > 1) {
5555 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
5558 } else if (par->codec_id == AV_CODEC_ID_ADPCM_MS ||
5559 par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
5560 samples_in_chunk = trk->par->frame_size;
5561 } else if (trk->sample_size)
5562 samples_in_chunk = size / trk->sample_size;
5564 samples_in_chunk = 1;
5566 if (samples_in_chunk < 1) {
5567 av_log(s, AV_LOG_ERROR, "fatal error, input packet contains no samples\n");
5568 return AVERROR_PATCHWELCOME;
5571 /* copy extradata if it exists */
5572 if (trk->vos_len == 0 && par->extradata_size > 0 &&
5573 !TAG_IS_AVCI(trk->tag) &&
5574 (par->codec_id != AV_CODEC_ID_DNXHD)) {
5575 trk->vos_len = par->extradata_size;
5576 trk->vos_data = av_malloc(trk->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
5577 if (!trk->vos_data) {
5578 ret = AVERROR(ENOMEM);
5581 memcpy(trk->vos_data, par->extradata, trk->vos_len);
5582 memset(trk->vos_data + trk->vos_len, 0, AV_INPUT_BUFFER_PADDING_SIZE);
5585 if ((par->codec_id == AV_CODEC_ID_DNXHD ||
5586 par->codec_id == AV_CODEC_ID_H264 ||
5587 par->codec_id == AV_CODEC_ID_HEVC ||
5588 par->codec_id == AV_CODEC_ID_TRUEHD ||
5589 par->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len &&
5590 !TAG_IS_AVCI(trk->tag)) {
5591 /* copy frame to create needed atoms */
5592 trk->vos_len = size;
5593 trk->vos_data = av_malloc(size + AV_INPUT_BUFFER_PADDING_SIZE);
5594 if (!trk->vos_data) {
5595 ret = AVERROR(ENOMEM);
5598 memcpy(trk->vos_data, pkt->data, size);
5599 memset(trk->vos_data + size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
5602 if (par->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 &&
5603 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
5604 if (!s->streams[pkt->stream_index]->nb_frames) {
5605 av_log(s, AV_LOG_ERROR, "Malformed AAC bitstream detected: "
5606 "use the audio bitstream filter 'aac_adtstoasc' to fix it "
5607 "('-bsf:a aac_adtstoasc' option with ffmpeg)\n");
5610 av_log(s, AV_LOG_WARNING, "aac bitstream error\n");
5612 if (par->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1 && !TAG_IS_AVCI(trk->tag)) {
5613 /* from x264 or from bytestream H.264 */
5614 /* NAL reformatting needed */
5615 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5616 ret = ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
5620 avio_write(pb, reformatted_data, size);
5622 if (trk->cenc.aes_ctr) {
5623 size = ff_mov_cenc_avc_parse_nal_units(&trk->cenc, pb, pkt->data, size);
5629 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
5632 } else if (par->codec_id == AV_CODEC_ID_HEVC && trk->vos_len > 6 &&
5633 (AV_RB24(trk->vos_data) == 1 || AV_RB32(trk->vos_data) == 1)) {
5634 /* extradata is Annex B, assume the bitstream is too and convert it */
5635 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5636 ret = ff_hevc_annexb2mp4_buf(pkt->data, &reformatted_data,
5640 avio_write(pb, reformatted_data, size);
5642 size = ff_hevc_annexb2mp4(pb, pkt->data, pkt->size, 0, NULL);
5644 } else if (par->codec_id == AV_CODEC_ID_AV1) {
5645 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5646 ret = ff_av1_filter_obus_buf(pkt->data, &reformatted_data,
5650 avio_write(pb, reformatted_data, size);
5652 size = ff_av1_filter_obus(pb, pkt->data, pkt->size);
5654 #if CONFIG_AC3_PARSER
5655 } else if (par->codec_id == AV_CODEC_ID_EAC3) {
5656 size = handle_eac3(mov, pkt, trk);
5661 avio_write(pb, pkt->data, size);
5663 } else if (par->codec_id == AV_CODEC_ID_EIA_608) {
5666 for (int i = 0; i < pkt->size; i += 3) {
5667 if (pkt->data[i] == 0xFC) {
5671 avio_wb32(pb, size);
5672 ffio_wfourcc(pb, "cdat");
5673 for (int i = 0; i < pkt->size; i += 3) {
5674 if (pkt->data[i] == 0xFC) {
5675 avio_w8(pb, pkt->data[i + 1]);
5676 avio_w8(pb, pkt->data[i + 2]);
5680 if (trk->cenc.aes_ctr) {
5681 if (par->codec_id == AV_CODEC_ID_H264 && par->extradata_size > 4) {
5682 int nal_size_length = (par->extradata[4] & 0x3) + 1;
5683 ret = ff_mov_cenc_avc_write_nal_units(s, &trk->cenc, nal_size_length, pb, pkt->data, size);
5685 ret = ff_mov_cenc_write_packet(&trk->cenc, pb, pkt->data, size);
5692 avio_write(pb, pkt->data, size);
5696 if (trk->entry >= trk->cluster_capacity) {
5697 unsigned new_capacity = trk->entry + MOV_INDEX_CLUSTER_SIZE;
5698 if (av_reallocp_array(&trk->cluster, new_capacity,
5699 sizeof(*trk->cluster))) {
5700 ret = AVERROR(ENOMEM);
5703 trk->cluster_capacity = new_capacity;
5706 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
5707 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
5708 trk->cluster[trk->entry].chunkNum = 0;
5709 trk->cluster[trk->entry].size = size;
5710 trk->cluster[trk->entry].entries = samples_in_chunk;
5711 trk->cluster[trk->entry].dts = pkt->dts;
5712 trk->cluster[trk->entry].pts = pkt->pts;
5713 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
5714 if (!trk->frag_discont) {
5715 /* First packet of a new fragment. We already wrote the duration
5716 * of the last packet of the previous fragment based on track_duration,
5717 * which might not exactly match our dts. Therefore adjust the dts
5718 * of this packet to be what the previous packets duration implies. */
5719 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
5720 /* We also may have written the pts and the corresponding duration
5721 * in sidx/tfrf/tfxd tags; make sure the sidx pts and duration match up with
5722 * the next fragment. This means the cts of the first sample must
5723 * be the same in all fragments, unless end_pts was updated by
5724 * the packet causing the fragment to be written. */
5725 if ((mov->flags & FF_MOV_FLAG_DASH &&
5726 !(mov->flags & (FF_MOV_FLAG_GLOBAL_SIDX | FF_MOV_FLAG_SKIP_SIDX))) ||
5727 mov->mode == MODE_ISM)
5728 pkt->pts = pkt->dts + trk->end_pts - trk->cluster[trk->entry].dts;
5730 /* New fragment, but discontinuous from previous fragments.
5731 * Pretend the duration sum of the earlier fragments is
5732 * pkt->dts - trk->start_dts. */
5733 trk->frag_start = pkt->dts - trk->start_dts;
5734 trk->end_pts = AV_NOPTS_VALUE;
5735 trk->frag_discont = 0;
5739 if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !mov->use_editlist &&
5740 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO) {
5741 /* Not using edit lists and shifting the first track to start from zero.
5742 * If the other streams start from a later timestamp, we won't be able
5743 * to signal the difference in starting time without an edit list.
5744 * Thus move the timestamp for this first sample to 0, increasing
5745 * its duration instead. */
5746 trk->cluster[trk->entry].dts = trk->start_dts = 0;
5748 if (trk->start_dts == AV_NOPTS_VALUE) {
5749 trk->start_dts = pkt->dts;
5750 if (trk->frag_discont) {
5751 if (mov->use_editlist) {
5752 /* Pretend the whole stream started at pts=0, with earlier fragments
5753 * already written. If the stream started at pts=0, the duration sum
5754 * of earlier fragments would have been pkt->pts. */
5755 trk->frag_start = pkt->pts;
5756 trk->start_dts = pkt->dts - pkt->pts;
5758 /* Pretend the whole stream started at dts=0, with earlier fragments
5759 * already written, with a duration summing up to pkt->dts. */
5760 trk->frag_start = pkt->dts;
5763 trk->frag_discont = 0;
5764 } else if (pkt->dts && mov->moov_written)
5765 av_log(s, AV_LOG_WARNING,
5766 "Track %d starts with a nonzero dts %"PRId64", while the moov "
5767 "already has been written. Set the delay_moov flag to handle "
5769 pkt->stream_index, pkt->dts);
5771 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
5772 trk->last_sample_is_subtitle_end = 0;
5774 if (pkt->pts == AV_NOPTS_VALUE) {
5775 av_log(s, AV_LOG_WARNING, "pts has no value\n");
5776 pkt->pts = pkt->dts;
5778 if (pkt->dts != pkt->pts)
5779 trk->flags |= MOV_TRACK_CTTS;
5780 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
5781 trk->cluster[trk->entry].flags = 0;
5782 if (trk->start_cts == AV_NOPTS_VALUE)
5783 trk->start_cts = pkt->pts - pkt->dts;
5784 if (trk->end_pts == AV_NOPTS_VALUE)
5785 trk->end_pts = trk->cluster[trk->entry].dts +
5786 trk->cluster[trk->entry].cts + pkt->duration;
5788 trk->end_pts = FFMAX(trk->end_pts, trk->cluster[trk->entry].dts +
5789 trk->cluster[trk->entry].cts +
5792 if (par->codec_id == AV_CODEC_ID_VC1) {
5793 mov_parse_vc1_frame(pkt, trk);
5794 } else if (par->codec_id == AV_CODEC_ID_TRUEHD) {
5795 mov_parse_truehd_frame(pkt, trk);
5796 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
5797 if (mov->mode == MODE_MOV && par->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
5798 trk->entry > 0) { // force sync sample for the first key frame
5799 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
5800 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
5801 trk->flags |= MOV_TRACK_STPS;
5803 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
5805 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
5806 trk->has_keyframes++;
5808 if (pkt->flags & AV_PKT_FLAG_DISPOSABLE) {
5809 trk->cluster[trk->entry].flags |= MOV_DISPOSABLE_SAMPLE;
5810 trk->has_disposable++;
5813 prft = (AVProducerReferenceTime *)av_packet_get_side_data(pkt, AV_PKT_DATA_PRFT, &prft_size);
5814 if (prft && prft_size == sizeof(AVProducerReferenceTime))
5815 memcpy(&trk->cluster[trk->entry].prft, prft, prft_size);
5817 memset(&trk->cluster[trk->entry].prft, 0, sizeof(AVProducerReferenceTime));
5820 trk->sample_count += samples_in_chunk;
5821 mov->mdat_size += size;
5823 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
5824 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
5825 reformatted_data ? reformatted_data + offset
5831 if (pkt->data != reformatted_data)
5832 av_free(reformatted_data);
5836 static int mov_write_single_packet(AVFormatContext *s, AVPacket *pkt)
5838 MOVMuxContext *mov = s->priv_data;
5839 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5840 AVCodecParameters *par = trk->par;
5841 int64_t frag_duration = 0;
5842 int size = pkt->size;
5844 int ret = check_pkt(s, pkt);
5848 if (mov->flags & FF_MOV_FLAG_FRAG_DISCONT) {
5850 for (i = 0; i < s->nb_streams; i++)
5851 mov->tracks[i].frag_discont = 1;
5852 mov->flags &= ~FF_MOV_FLAG_FRAG_DISCONT;
5855 if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS) {
5856 if (trk->dts_shift == AV_NOPTS_VALUE)
5857 trk->dts_shift = pkt->pts - pkt->dts;
5858 pkt->dts += trk->dts_shift;
5861 if (trk->par->codec_id == AV_CODEC_ID_MP4ALS ||
5862 trk->par->codec_id == AV_CODEC_ID_AAC ||
5863 trk->par->codec_id == AV_CODEC_ID_AV1 ||
5864 trk->par->codec_id == AV_CODEC_ID_FLAC) {
5866 uint8_t *side = av_packet_get_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA, &side_size);
5867 if (side && side_size > 0 && (side_size != par->extradata_size || memcmp(side, par->extradata, side_size))) {
5868 void *newextra = av_mallocz(side_size + AV_INPUT_BUFFER_PADDING_SIZE);
5870 return AVERROR(ENOMEM);
5871 av_free(par->extradata);
5872 par->extradata = newextra;
5873 memcpy(par->extradata, side, side_size);
5874 par->extradata_size = side_size;
5875 if (!pkt->size) // Flush packet
5876 mov->need_rewrite_extradata = 1;
5881 if (trk->start_dts == AV_NOPTS_VALUE && trk->frag_discont) {
5882 trk->start_dts = pkt->dts;
5883 if (pkt->pts != AV_NOPTS_VALUE)
5884 trk->start_cts = pkt->pts - pkt->dts;
5889 return 0; /* Discard 0 sized packets */
5892 if (trk->entry && pkt->stream_index < s->nb_streams)
5893 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
5894 s->streams[pkt->stream_index]->time_base,
5896 if ((mov->max_fragment_duration &&
5897 frag_duration >= mov->max_fragment_duration) ||
5898 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
5899 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
5900 par->codec_type == AVMEDIA_TYPE_VIDEO &&
5901 trk->entry && pkt->flags & AV_PKT_FLAG_KEY) ||
5902 (mov->flags & FF_MOV_FLAG_FRAG_EVERY_FRAME)) {
5903 if (frag_duration >= mov->min_fragment_duration) {
5904 // Set the duration of this track to line up with the next
5905 // sample in this track. This avoids relying on AVPacket
5906 // duration, but only helps for this particular track, not
5907 // for the other ones that are flushed at the same time.
5908 trk->track_duration = pkt->dts - trk->start_dts;
5909 if (pkt->pts != AV_NOPTS_VALUE)
5910 trk->end_pts = pkt->pts;
5912 trk->end_pts = pkt->dts;
5913 trk->end_reliable = 1;
5914 mov_auto_flush_fragment(s, 0);
5918 return ff_mov_write_packet(s, pkt);
5921 static int mov_write_subtitle_end_packet(AVFormatContext *s,
5925 uint8_t data[2] = {0};
5928 av_init_packet(&end);
5929 end.size = sizeof(data);
5934 end.stream_index = stream_index;
5936 ret = mov_write_single_packet(s, &end);
5937 av_packet_unref(&end);
5942 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
5944 MOVMuxContext *mov = s->priv_data;
5948 mov_flush_fragment(s, 1);
5952 trk = &mov->tracks[pkt->stream_index];
5954 if (is_cover_image(trk->st)) {
5957 if (trk->st->nb_frames >= 1) {
5958 if (trk->st->nb_frames == 1)
5959 av_log(s, AV_LOG_WARNING, "Got more than one picture in stream %d,"
5960 " ignoring.\n", pkt->stream_index);
5964 if ((ret = av_packet_ref(&trk->cover_image, pkt)) < 0)
5972 return mov_write_single_packet(s, pkt); /* Passthrough. */
5975 * Subtitles require special handling.
5977 * 1) For full complaince, every track must have a sample at
5978 * dts == 0, which is rarely true for subtitles. So, as soon
5979 * as we see any packet with dts > 0, write an empty subtitle
5980 * at dts == 0 for any subtitle track with no samples in it.
5982 * 2) For each subtitle track, check if the current packet's
5983 * dts is past the duration of the last subtitle sample. If
5984 * so, we now need to write an end sample for that subtitle.
5986 * This must be done conditionally to allow for subtitles that
5987 * immediately replace each other, in which case an end sample
5988 * is not needed, and is, in fact, actively harmful.
5990 * 3) See mov_write_trailer for how the final end sample is
5993 for (i = 0; i < mov->nb_streams; i++) {
5994 MOVTrack *trk = &mov->tracks[i];
5997 if (trk->par->codec_id == AV_CODEC_ID_MOV_TEXT &&
5998 trk->track_duration < pkt->dts &&
5999 (trk->entry == 0 || !trk->last_sample_is_subtitle_end)) {
6000 ret = mov_write_subtitle_end_packet(s, i, trk->track_duration);
6001 if (ret < 0) return ret;
6002 trk->last_sample_is_subtitle_end = 1;
6006 if (trk->mode == MODE_MOV && trk->par->codec_type == AVMEDIA_TYPE_VIDEO) {
6007 AVPacket *opkt = pkt;
6008 int reshuffle_ret, ret;
6009 if (trk->is_unaligned_qt_rgb) {
6010 int64_t bpc = trk->par->bits_per_coded_sample != 15 ? trk->par->bits_per_coded_sample : 16;
6011 int expected_stride = ((trk->par->width * bpc + 15) >> 4)*2;
6012 reshuffle_ret = ff_reshuffle_raw_rgb(s, &pkt, trk->par, expected_stride);
6013 if (reshuffle_ret < 0)
6014 return reshuffle_ret;
6017 if (trk->par->format == AV_PIX_FMT_PAL8 && !trk->pal_done) {
6018 ret = ff_get_packet_palette(s, opkt, reshuffle_ret, trk->palette);
6023 } else if (trk->par->codec_id == AV_CODEC_ID_RAWVIDEO &&
6024 (trk->par->format == AV_PIX_FMT_GRAY8 ||
6025 trk->par->format == AV_PIX_FMT_MONOBLACK)) {
6026 for (i = 0; i < pkt->size; i++)
6027 pkt->data[i] = ~pkt->data[i];
6029 if (reshuffle_ret) {
6030 ret = mov_write_single_packet(s, pkt);
6033 av_packet_free(&pkt);
6038 return mov_write_single_packet(s, pkt);
6042 // QuickTime chapters involve an additional text track with the chapter names
6043 // as samples, and a tref pointing from the other tracks to the chapter one.
6044 static int mov_create_chapter_track(AVFormatContext *s, int tracknum)
6048 MOVMuxContext *mov = s->priv_data;
6049 MOVTrack *track = &mov->tracks[tracknum];
6050 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
6053 track->mode = mov->mode;
6054 track->tag = MKTAG('t','e','x','t');
6055 track->timescale = MOV_TIMESCALE;
6056 track->par = avcodec_parameters_alloc();
6058 return AVERROR(ENOMEM);
6059 track->par->codec_type = AVMEDIA_TYPE_SUBTITLE;
6061 // These properties are required to make QT recognize the chapter track
6062 uint8_t chapter_properties[43] = { 0, 0, 0, 0, 0, 0, 0, 1, };
6063 if (ff_alloc_extradata(track->par, sizeof(chapter_properties)))
6064 return AVERROR(ENOMEM);
6065 memcpy(track->par->extradata, chapter_properties, sizeof(chapter_properties));
6067 if (avio_open_dyn_buf(&pb) >= 0) {
6071 /* Stub header (usually for Quicktime chapter track) */
6073 avio_wb32(pb, 0x01); // displayFlags
6074 avio_w8(pb, 0x00); // horizontal justification
6075 avio_w8(pb, 0x00); // vertical justification
6076 avio_w8(pb, 0x00); // bgColourRed
6077 avio_w8(pb, 0x00); // bgColourGreen
6078 avio_w8(pb, 0x00); // bgColourBlue
6079 avio_w8(pb, 0x00); // bgColourAlpha
6081 avio_wb16(pb, 0x00); // defTextBoxTop
6082 avio_wb16(pb, 0x00); // defTextBoxLeft
6083 avio_wb16(pb, 0x00); // defTextBoxBottom
6084 avio_wb16(pb, 0x00); // defTextBoxRight
6086 avio_wb16(pb, 0x00); // startChar
6087 avio_wb16(pb, 0x00); // endChar
6088 avio_wb16(pb, 0x01); // fontID
6089 avio_w8(pb, 0x00); // fontStyleFlags
6090 avio_w8(pb, 0x00); // fontSize
6091 avio_w8(pb, 0x00); // fgColourRed
6092 avio_w8(pb, 0x00); // fgColourGreen
6093 avio_w8(pb, 0x00); // fgColourBlue
6094 avio_w8(pb, 0x00); // fgColourAlpha
6096 avio_wb32(pb, 0x0D); // box size
6097 ffio_wfourcc(pb, "ftab"); // box atom name
6098 avio_wb16(pb, 0x01); // entry count
6100 avio_wb16(pb, 0x01); // font ID
6101 avio_w8(pb, 0x00); // font name length
6103 if ((size = avio_close_dyn_buf(pb, &buf)) > 0) {
6104 track->par->extradata = buf;
6105 track->par->extradata_size = size;
6112 for (i = 0; i < s->nb_chapters; i++) {
6113 AVChapter *c = s->chapters[i];
6114 AVDictionaryEntry *t;
6116 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
6117 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
6118 pkt.duration = end - pkt.dts;
6120 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
6121 static const char encd[12] = {
6122 0x00, 0x00, 0x00, 0x0C,
6124 0x00, 0x00, 0x01, 0x00 };
6125 len = strlen(t->value);
6126 pkt.size = len + 2 + 12;
6127 pkt.data = av_malloc(pkt.size);
6129 return AVERROR(ENOMEM);
6130 AV_WB16(pkt.data, len);
6131 memcpy(pkt.data + 2, t->value, len);
6132 memcpy(pkt.data + len + 2, encd, sizeof(encd));
6133 ff_mov_write_packet(s, &pkt);
6134 av_freep(&pkt.data);
6142 static int mov_check_timecode_track(AVFormatContext *s, AVTimecode *tc, int src_index, const char *tcstr)
6146 /* compute the frame number */
6147 ret = av_timecode_init_from_string(tc, find_fps(s, s->streams[src_index]), tcstr, s);
6151 static int mov_create_timecode_track(AVFormatContext *s, int index, int src_index, AVTimecode tc)
6154 MOVMuxContext *mov = s->priv_data;
6155 MOVTrack *track = &mov->tracks[index];
6156 AVStream *src_st = s->streams[src_index];
6157 AVPacket pkt = {.stream_index = index, .flags = AV_PKT_FLAG_KEY, .size = 4};
6158 AVRational rate = find_fps(s, src_st);
6160 /* tmcd track based on video stream */
6161 track->mode = mov->mode;
6162 track->tag = MKTAG('t','m','c','d');
6163 track->src_track = src_index;
6164 track->timescale = mov->tracks[src_index].timescale;
6165 if (tc.flags & AV_TIMECODE_FLAG_DROPFRAME)
6166 track->timecode_flags |= MOV_TIMECODE_FLAG_DROPFRAME;
6168 /* set st to src_st for metadata access*/
6171 /* encode context: tmcd data stream */
6172 track->par = avcodec_parameters_alloc();
6174 return AVERROR(ENOMEM);
6175 track->par->codec_type = AVMEDIA_TYPE_DATA;
6176 track->par->codec_tag = track->tag;
6177 track->st->avg_frame_rate = av_inv_q(rate);
6179 /* the tmcd track just contains one packet with the frame number */
6180 pkt.data = av_malloc(pkt.size);
6182 return AVERROR(ENOMEM);
6183 AV_WB32(pkt.data, tc.start);
6184 ret = ff_mov_write_packet(s, &pkt);
6190 * st->disposition controls the "enabled" flag in the tkhd tag.
6191 * QuickTime will not play a track if it is not enabled. So make sure
6192 * that one track of each type (audio, video, subtitle) is enabled.
6194 * Subtitles are special. For audio and video, setting "enabled" also
6195 * makes the track "default" (i.e. it is rendered when played). For
6196 * subtitles, an "enabled" subtitle is not rendered by default, but
6197 * if no subtitle is enabled, the subtitle menu in QuickTime will be
6200 static void enable_tracks(AVFormatContext *s)
6202 MOVMuxContext *mov = s->priv_data;
6204 int enabled[AVMEDIA_TYPE_NB];
6205 int first[AVMEDIA_TYPE_NB];
6207 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
6212 for (i = 0; i < s->nb_streams; i++) {
6213 AVStream *st = s->streams[i];
6215 if (st->codecpar->codec_type <= AVMEDIA_TYPE_UNKNOWN ||
6216 st->codecpar->codec_type >= AVMEDIA_TYPE_NB ||
6220 if (first[st->codecpar->codec_type] < 0)
6221 first[st->codecpar->codec_type] = i;
6222 if (st->disposition & AV_DISPOSITION_DEFAULT) {
6223 mov->tracks[i].flags |= MOV_TRACK_ENABLED;
6224 enabled[st->codecpar->codec_type]++;
6228 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
6230 case AVMEDIA_TYPE_VIDEO:
6231 case AVMEDIA_TYPE_AUDIO:
6232 case AVMEDIA_TYPE_SUBTITLE:
6234 mov->per_stream_grouping = 1;
6235 if (!enabled[i] && first[i] >= 0)
6236 mov->tracks[first[i]].flags |= MOV_TRACK_ENABLED;
6242 static void mov_free(AVFormatContext *s)
6244 MOVMuxContext *mov = s->priv_data;
6247 if (mov->chapter_track) {
6248 if (mov->tracks[mov->chapter_track].par)
6249 av_freep(&mov->tracks[mov->chapter_track].par->extradata);
6250 av_freep(&mov->tracks[mov->chapter_track].par);
6253 for (i = 0; i < mov->nb_streams; i++) {
6254 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
6255 ff_mov_close_hinting(&mov->tracks[i]);
6256 else if (mov->tracks[i].tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd)
6257 av_freep(&mov->tracks[i].par);
6258 av_freep(&mov->tracks[i].cluster);
6259 av_freep(&mov->tracks[i].frag_info);
6260 av_packet_unref(&mov->tracks[i].cover_image);
6262 if (mov->tracks[i].eac3_priv) {
6263 struct eac3_info *info = mov->tracks[i].eac3_priv;
6264 av_packet_unref(&info->pkt);
6265 av_freep(&mov->tracks[i].eac3_priv);
6267 if (mov->tracks[i].vos_len)
6268 av_freep(&mov->tracks[i].vos_data);
6270 ff_mov_cenc_free(&mov->tracks[i].cenc);
6273 av_freep(&mov->tracks);
6276 static uint32_t rgb_to_yuv(uint32_t rgb)
6281 r = (rgb >> 16) & 0xFF;
6282 g = (rgb >> 8) & 0xFF;
6285 y = av_clip_uint8(( 16000 + 257 * r + 504 * g + 98 * b)/1000);
6286 cb = av_clip_uint8((128000 - 148 * r - 291 * g + 439 * b)/1000);
6287 cr = av_clip_uint8((128000 + 439 * r - 368 * g - 71 * b)/1000);
6289 return (y << 16) | (cr << 8) | cb;
6292 static int mov_create_dvd_sub_decoder_specific_info(MOVTrack *track,
6295 int i, width = 720, height = 480;
6296 int have_palette = 0, have_size = 0;
6297 uint32_t palette[16];
6298 char *cur = st->codecpar->extradata;
6300 while (cur && *cur) {
6301 if (strncmp("palette:", cur, 8) == 0) {
6303 count = sscanf(cur + 8,
6304 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
6305 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
6306 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
6307 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32"",
6308 &palette[ 0], &palette[ 1], &palette[ 2], &palette[ 3],
6309 &palette[ 4], &palette[ 5], &palette[ 6], &palette[ 7],
6310 &palette[ 8], &palette[ 9], &palette[10], &palette[11],
6311 &palette[12], &palette[13], &palette[14], &palette[15]);
6313 for (i = 0; i < count; i++) {
6314 palette[i] = rgb_to_yuv(palette[i]);
6317 } else if (!strncmp("size:", cur, 5)) {
6318 sscanf(cur + 5, "%dx%d", &width, &height);
6321 if (have_palette && have_size)
6323 cur += strcspn(cur, "\n\r");
6324 cur += strspn(cur, "\n\r");
6327 track->vos_data = av_malloc(16*4 + AV_INPUT_BUFFER_PADDING_SIZE);
6328 if (!track->vos_data)
6329 return AVERROR(ENOMEM);
6330 for (i = 0; i < 16; i++) {
6331 AV_WB32(track->vos_data + i * 4, palette[i]);
6333 memset(track->vos_data + 16*4, 0, AV_INPUT_BUFFER_PADDING_SIZE);
6334 track->vos_len = 16 * 4;
6336 st->codecpar->width = width;
6337 st->codecpar->height = track->height = height;
6342 static int mov_init(AVFormatContext *s)
6344 MOVMuxContext *mov = s->priv_data;
6345 AVDictionaryEntry *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
6350 /* Default mode == MP4 */
6351 mov->mode = MODE_MP4;
6354 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
6355 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
6356 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
6357 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
6358 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
6359 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
6360 else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V;
6363 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
6364 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV;
6366 /* Set the FRAGMENT flag if any of the fragmentation methods are
6368 if (mov->max_fragment_duration || mov->max_fragment_size ||
6369 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
6370 FF_MOV_FLAG_FRAG_KEYFRAME |
6371 FF_MOV_FLAG_FRAG_CUSTOM |
6372 FF_MOV_FLAG_FRAG_EVERY_FRAME))
6373 mov->flags |= FF_MOV_FLAG_FRAGMENT;
6375 /* Set other implicit flags immediately */
6376 if (mov->mode == MODE_ISM)
6377 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
6378 FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS;
6379 if (mov->flags & FF_MOV_FLAG_DASH)
6380 mov->flags |= FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_EMPTY_MOOV |
6381 FF_MOV_FLAG_DEFAULT_BASE_MOOF;
6382 if (mov->flags & FF_MOV_FLAG_CMAF)
6383 mov->flags |= FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_EMPTY_MOOV |
6384 FF_MOV_FLAG_DEFAULT_BASE_MOOF | FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS;
6386 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV && s->flags & AVFMT_FLAG_AUTO_BSF) {
6387 av_log(s, AV_LOG_VERBOSE, "Empty MOOV enabled; disabling automatic bitstream filtering\n");
6388 s->flags &= ~AVFMT_FLAG_AUTO_BSF;
6391 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX && mov->flags & FF_MOV_FLAG_SKIP_SIDX) {
6392 av_log(s, AV_LOG_WARNING, "Global SIDX enabled; Ignoring skip_sidx option\n");
6393 mov->flags &= ~FF_MOV_FLAG_SKIP_SIDX;
6396 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
6397 mov->reserved_moov_size = -1;
6400 if (mov->use_editlist < 0) {
6401 mov->use_editlist = 1;
6402 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
6403 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6404 // If we can avoid needing an edit list by shifting the
6405 // tracks, prefer that over (trying to) write edit lists
6406 // in fragmented output.
6407 if (s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO ||
6408 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO)
6409 mov->use_editlist = 0;
6411 if (mov->flags & FF_MOV_FLAG_CMAF) {
6412 // CMAF Track requires negative cts offsets without edit lists
6413 mov->use_editlist = 0;
6416 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
6417 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV) && mov->use_editlist)
6418 av_log(s, AV_LOG_WARNING, "No meaningful edit list will be written when using empty_moov without delay_moov\n");
6420 if (mov->flags & FF_MOV_FLAG_CMAF && mov->use_editlist) {
6421 av_log(s, AV_LOG_WARNING, "Edit list enabled; Assuming writing CMAF Track File\n");
6422 mov->flags &= ~FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS;
6424 if (!mov->use_editlist && s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO &&
6425 !(mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS))
6426 s->avoid_negative_ts = AVFMT_AVOID_NEG_TS_MAKE_ZERO;
6428 /* Clear the omit_tfhd_offset flag if default_base_moof is set;
6429 * if the latter is set that's enough and omit_tfhd_offset doesn't
6430 * add anything extra on top of that. */
6431 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
6432 mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
6433 mov->flags &= ~FF_MOV_FLAG_OMIT_TFHD_OFFSET;
6435 if (mov->frag_interleave &&
6436 mov->flags & (FF_MOV_FLAG_OMIT_TFHD_OFFSET | FF_MOV_FLAG_SEPARATE_MOOF)) {
6437 av_log(s, AV_LOG_ERROR,
6438 "Sample interleaving in fragments is mutually exclusive with "
6439 "omit_tfhd_offset and separate_moof\n");
6440 return AVERROR(EINVAL);
6443 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
6444 * is enabled, we don't support non-seekable output at all. */
6445 if (!(s->pb->seekable & AVIO_SEEKABLE_NORMAL) &&
6446 (!(mov->flags & FF_MOV_FLAG_FRAGMENT) || mov->ism_lookahead)) {
6447 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
6448 return AVERROR(EINVAL);
6451 mov->nb_streams = s->nb_streams;
6452 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
6453 mov->chapter_track = mov->nb_streams++;
6455 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6456 for (i = 0; i < s->nb_streams; i++)
6457 if (rtp_hinting_needed(s->streams[i]))
6461 if ( mov->write_tmcd == -1 && (mov->mode == MODE_MOV || mov->mode == MODE_MP4)
6462 || mov->write_tmcd == 1) {
6463 /* +1 tmcd track for each video stream with a timecode */
6464 for (i = 0; i < s->nb_streams; i++) {
6465 AVStream *st = s->streams[i];
6466 AVDictionaryEntry *t = global_tcr;
6467 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO &&
6468 (t || (t=av_dict_get(st->metadata, "timecode", NULL, 0)))) {
6470 ret = mov_check_timecode_track(s, &tc, i, t->value);
6472 mov->nb_meta_tmcd++;
6476 /* check if there is already a tmcd track to remux */
6477 if (mov->nb_meta_tmcd) {
6478 for (i = 0; i < s->nb_streams; i++) {
6479 AVStream *st = s->streams[i];
6480 if (st->codecpar->codec_tag == MKTAG('t','m','c','d')) {
6481 av_log(s, AV_LOG_WARNING, "You requested a copy of the original timecode track "
6482 "so timecode metadata are now ignored\n");
6483 mov->nb_meta_tmcd = 0;
6488 mov->nb_streams += mov->nb_meta_tmcd;
6491 // Reserve an extra stream for chapters for the case where chapters
6492 // are written in the trailer
6493 mov->tracks = av_mallocz_array((mov->nb_streams + 1), sizeof(*mov->tracks));
6495 return AVERROR(ENOMEM);
6497 if (mov->encryption_scheme_str != NULL && strcmp(mov->encryption_scheme_str, "none") != 0) {
6498 if (strcmp(mov->encryption_scheme_str, "cenc-aes-ctr") == 0) {
6499 mov->encryption_scheme = MOV_ENC_CENC_AES_CTR;
6501 if (mov->encryption_key_len != AES_CTR_KEY_SIZE) {
6502 av_log(s, AV_LOG_ERROR, "Invalid encryption key len %d expected %d\n",
6503 mov->encryption_key_len, AES_CTR_KEY_SIZE);
6504 return AVERROR(EINVAL);
6507 if (mov->encryption_kid_len != CENC_KID_SIZE) {
6508 av_log(s, AV_LOG_ERROR, "Invalid encryption kid len %d expected %d\n",
6509 mov->encryption_kid_len, CENC_KID_SIZE);
6510 return AVERROR(EINVAL);
6513 av_log(s, AV_LOG_ERROR, "unsupported encryption scheme %s\n",
6514 mov->encryption_scheme_str);
6515 return AVERROR(EINVAL);
6519 for (i = 0; i < s->nb_streams; i++) {
6520 AVStream *st= s->streams[i];
6521 MOVTrack *track= &mov->tracks[i];
6522 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
6525 track->par = st->codecpar;
6526 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
6527 if (track->language < 0)
6528 track->language = 32767; // Unspecified Macintosh language code
6529 track->mode = mov->mode;
6530 track->tag = mov_find_codec_tag(s, track);
6532 av_log(s, AV_LOG_ERROR, "Could not find tag for codec %s in stream #%d, "
6533 "codec not currently supported in container\n",
6534 avcodec_get_name(st->codecpar->codec_id), i);
6535 return AVERROR(EINVAL);
6537 /* If hinting of this track is enabled by a later hint track,
6538 * this is updated. */
6539 track->hint_track = -1;
6540 track->start_dts = AV_NOPTS_VALUE;
6541 track->start_cts = AV_NOPTS_VALUE;
6542 track->end_pts = AV_NOPTS_VALUE;
6543 track->dts_shift = AV_NOPTS_VALUE;
6544 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
6545 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
6546 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
6547 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
6548 if (st->codecpar->width != 720 || (st->codecpar->height != 608 && st->codecpar->height != 512)) {
6549 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
6550 return AVERROR(EINVAL);
6552 track->height = track->tag >> 24 == 'n' ? 486 : 576;
6554 if (mov->video_track_timescale) {
6555 track->timescale = mov->video_track_timescale;
6556 if (mov->mode == MODE_ISM && mov->video_track_timescale != 10000000)
6557 av_log(s, AV_LOG_WARNING, "Warning: some tools, like mp4split, assume a timescale of 10000000 for ISMV.\n");
6559 track->timescale = st->time_base.den;
6560 while(track->timescale < 10000)
6561 track->timescale *= 2;
6563 if (st->codecpar->width > 65535 || st->codecpar->height > 65535) {
6564 av_log(s, AV_LOG_ERROR, "Resolution %dx%d too large for mov/mp4\n", st->codecpar->width, st->codecpar->height);
6565 return AVERROR(EINVAL);
6567 if (track->mode == MODE_MOV && track->timescale > 100000)
6568 av_log(s, AV_LOG_WARNING,
6569 "WARNING codec timebase is very high. If duration is too long,\n"
6570 "file may not be playable by quicktime. Specify a shorter timebase\n"
6571 "or choose different container.\n");
6572 if (track->mode == MODE_MOV &&
6573 track->par->codec_id == AV_CODEC_ID_RAWVIDEO &&
6574 track->tag == MKTAG('r','a','w',' ')) {
6575 enum AVPixelFormat pix_fmt = track->par->format;
6576 if (pix_fmt == AV_PIX_FMT_NONE && track->par->bits_per_coded_sample == 1)
6577 pix_fmt = AV_PIX_FMT_MONOWHITE;
6578 track->is_unaligned_qt_rgb =
6579 pix_fmt == AV_PIX_FMT_RGB24 ||
6580 pix_fmt == AV_PIX_FMT_BGR24 ||
6581 pix_fmt == AV_PIX_FMT_PAL8 ||
6582 pix_fmt == AV_PIX_FMT_GRAY8 ||
6583 pix_fmt == AV_PIX_FMT_MONOWHITE ||
6584 pix_fmt == AV_PIX_FMT_MONOBLACK;
6586 if (track->par->codec_id == AV_CODEC_ID_VP9 ||
6587 track->par->codec_id == AV_CODEC_ID_AV1) {
6588 if (track->mode != MODE_MP4) {
6589 av_log(s, AV_LOG_ERROR, "%s only supported in MP4.\n", avcodec_get_name(track->par->codec_id));
6590 return AVERROR(EINVAL);
6592 } else if (track->par->codec_id == AV_CODEC_ID_VP8) {
6593 /* altref frames handling is not defined in the spec as of version v1.0,
6594 * so just forbid muxing VP8 streams altogether until a new version does */
6595 av_log(s, AV_LOG_ERROR, "VP8 muxing is currently not supported.\n");
6596 return AVERROR_PATCHWELCOME;
6598 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
6599 track->timescale = st->codecpar->sample_rate;
6600 if (!st->codecpar->frame_size && !av_get_bits_per_sample(st->codecpar->codec_id)) {
6601 av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i);
6602 track->audio_vbr = 1;
6603 }else if (st->codecpar->codec_id == AV_CODEC_ID_ADPCM_MS ||
6604 st->codecpar->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
6605 st->codecpar->codec_id == AV_CODEC_ID_ILBC){
6606 if (!st->codecpar->block_align) {
6607 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
6608 return AVERROR(EINVAL);
6610 track->sample_size = st->codecpar->block_align;
6611 }else if (st->codecpar->frame_size > 1){ /* assume compressed audio */
6612 track->audio_vbr = 1;
6614 track->sample_size = (av_get_bits_per_sample(st->codecpar->codec_id) >> 3) * st->codecpar->channels;
6616 if (st->codecpar->codec_id == AV_CODEC_ID_ILBC ||
6617 st->codecpar->codec_id == AV_CODEC_ID_ADPCM_IMA_QT) {
6618 track->audio_vbr = 1;
6620 if (track->mode != MODE_MOV &&
6621 track->par->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
6622 if (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL) {
6623 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not standard, to mux anyway set strict to -1\n",
6624 i, track->par->sample_rate);
6625 return AVERROR(EINVAL);
6627 av_log(s, AV_LOG_WARNING, "track %d: muxing mp3 at %dhz is not standard in MP4\n",
6628 i, track->par->sample_rate);
6631 if (track->par->codec_id == AV_CODEC_ID_FLAC ||
6632 track->par->codec_id == AV_CODEC_ID_TRUEHD ||
6633 track->par->codec_id == AV_CODEC_ID_OPUS) {
6634 if (track->mode != MODE_MP4) {
6635 av_log(s, AV_LOG_ERROR, "%s only supported in MP4.\n", avcodec_get_name(track->par->codec_id));
6636 return AVERROR(EINVAL);
6638 if (track->par->codec_id != AV_CODEC_ID_OPUS &&
6639 s->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
6640 av_log(s, AV_LOG_ERROR,
6641 "%s in MP4 support is experimental, add "
6642 "'-strict %d' if you want to use it.\n",
6643 avcodec_get_name(track->par->codec_id), FF_COMPLIANCE_EXPERIMENTAL);
6644 return AVERROR_EXPERIMENTAL;
6647 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) {
6648 track->timescale = st->time_base.den;
6649 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_DATA) {
6650 track->timescale = st->time_base.den;
6652 track->timescale = MOV_TIMESCALE;
6655 track->height = st->codecpar->height;
6656 /* The Protected Interoperable File Format (PIFF) standard, used by ISMV recommends but
6657 doesn't mandate a track timescale of 10,000,000. The muxer allows a custom timescale
6658 for video tracks, so if user-set, it isn't overwritten */
6659 if (mov->mode == MODE_ISM &&
6660 (st->codecpar->codec_type != AVMEDIA_TYPE_VIDEO ||
6661 (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO && !mov->video_track_timescale))) {
6662 track->timescale = 10000000;
6665 avpriv_set_pts_info(st, 64, 1, track->timescale);
6667 if (mov->encryption_scheme == MOV_ENC_CENC_AES_CTR) {
6668 ret = ff_mov_cenc_init(&track->cenc, mov->encryption_key,
6669 track->par->codec_id == AV_CODEC_ID_H264, s->flags & AVFMT_FLAG_BITEXACT);
6679 static int mov_write_header(AVFormatContext *s)
6681 AVIOContext *pb = s->pb;
6682 MOVMuxContext *mov = s->priv_data;
6683 AVDictionaryEntry *t, *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
6684 int i, ret, hint_track = 0, tmcd_track = 0, nb_tracks = s->nb_streams;
6686 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
6689 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6690 hint_track = nb_tracks;
6691 for (i = 0; i < s->nb_streams; i++)
6692 if (rtp_hinting_needed(s->streams[i]))
6696 if (mov->nb_meta_tmcd)
6697 tmcd_track = nb_tracks;
6699 for (i = 0; i < s->nb_streams; i++) {
6701 AVStream *st= s->streams[i];
6702 MOVTrack *track= &mov->tracks[i];
6704 /* copy extradata if it exists */
6705 if (st->codecpar->extradata_size) {
6706 if (st->codecpar->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
6707 mov_create_dvd_sub_decoder_specific_info(track, st);
6708 else if (!TAG_IS_AVCI(track->tag) && st->codecpar->codec_id != AV_CODEC_ID_DNXHD) {
6709 track->vos_len = st->codecpar->extradata_size;
6710 track->vos_data = av_malloc(track->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
6711 if (!track->vos_data) {
6712 return AVERROR(ENOMEM);
6714 memcpy(track->vos_data, st->codecpar->extradata, track->vos_len);
6715 memset(track->vos_data + track->vos_len, 0, AV_INPUT_BUFFER_PADDING_SIZE);
6719 if (st->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ||
6720 track->par->channel_layout != AV_CH_LAYOUT_MONO)
6723 for (j = 0; j < s->nb_streams; j++) {
6724 AVStream *stj= s->streams[j];
6725 MOVTrack *trackj= &mov->tracks[j];
6729 if (stj->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ||
6730 trackj->par->channel_layout != AV_CH_LAYOUT_MONO ||
6731 trackj->language != track->language ||
6732 trackj->tag != track->tag
6735 track->multichannel_as_mono++;
6739 if (!(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6740 if ((ret = mov_write_identification(pb, s)) < 0)
6744 if (mov->reserved_moov_size){
6745 mov->reserved_header_pos = avio_tell(pb);
6746 if (mov->reserved_moov_size > 0)
6747 avio_skip(pb, mov->reserved_moov_size);
6750 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
6751 /* If no fragmentation options have been set, set a default. */
6752 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
6753 FF_MOV_FLAG_FRAG_CUSTOM |
6754 FF_MOV_FLAG_FRAG_EVERY_FRAME)) &&
6755 !mov->max_fragment_duration && !mov->max_fragment_size)
6756 mov->flags |= FF_MOV_FLAG_FRAG_KEYFRAME;
6758 if (mov->flags & FF_MOV_FLAG_FASTSTART)
6759 mov->reserved_header_pos = avio_tell(pb);
6760 mov_write_mdat_tag(pb, mov);
6763 ff_parse_creation_time_metadata(s, &mov->time, 1);
6765 mov->time += 0x7C25B080; // 1970 based -> 1904 based
6767 if (mov->chapter_track)
6768 if ((ret = mov_create_chapter_track(s, mov->chapter_track)) < 0)
6771 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6772 for (i = 0; i < s->nb_streams; i++) {
6773 if (rtp_hinting_needed(s->streams[i])) {
6774 if ((ret = ff_mov_init_hinting(s, hint_track, i)) < 0)
6781 if (mov->nb_meta_tmcd) {
6782 /* Initialize the tmcd tracks */
6783 for (i = 0; i < s->nb_streams; i++) {
6784 AVStream *st = s->streams[i];
6787 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
6790 t = av_dict_get(st->metadata, "timecode", NULL, 0);
6793 if (mov_check_timecode_track(s, &tc, i, t->value) < 0)
6795 if ((ret = mov_create_timecode_track(s, tmcd_track, i, tc)) < 0)
6804 if (mov->flags & FF_MOV_FLAG_ISML)
6805 mov_write_isml_manifest(pb, mov, s);
6807 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
6808 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6809 if ((ret = mov_write_moov_tag(pb, mov, s)) < 0)
6811 mov->moov_written = 1;
6812 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
6813 mov->reserved_header_pos = avio_tell(pb);
6819 static int get_moov_size(AVFormatContext *s)
6822 AVIOContext *moov_buf;
6823 MOVMuxContext *mov = s->priv_data;
6825 if ((ret = ffio_open_null_buf(&moov_buf)) < 0)
6827 if ((ret = mov_write_moov_tag(moov_buf, mov, s)) < 0)
6829 return ffio_close_null_buf(moov_buf);
6832 static int get_sidx_size(AVFormatContext *s)
6836 MOVMuxContext *mov = s->priv_data;
6838 if ((ret = ffio_open_null_buf(&buf)) < 0)
6840 mov_write_sidx_tags(buf, mov, -1, 0);
6841 return ffio_close_null_buf(buf);
6845 * This function gets the moov size if moved to the top of the file: the chunk
6846 * offset table can switch between stco (32-bit entries) to co64 (64-bit
6847 * entries) when the moov is moved to the beginning, so the size of the moov
6848 * would change. It also updates the chunk offset tables.
6850 static int compute_moov_size(AVFormatContext *s)
6852 int i, moov_size, moov_size2;
6853 MOVMuxContext *mov = s->priv_data;
6855 moov_size = get_moov_size(s);
6859 for (i = 0; i < mov->nb_streams; i++)
6860 mov->tracks[i].data_offset += moov_size;
6862 moov_size2 = get_moov_size(s);
6866 /* if the size changed, we just switched from stco to co64 and need to
6867 * update the offsets */
6868 if (moov_size2 != moov_size)
6869 for (i = 0; i < mov->nb_streams; i++)
6870 mov->tracks[i].data_offset += moov_size2 - moov_size;
6875 static int compute_sidx_size(AVFormatContext *s)
6878 MOVMuxContext *mov = s->priv_data;
6880 sidx_size = get_sidx_size(s);
6884 for (i = 0; i < mov->nb_streams; i++)
6885 mov->tracks[i].data_offset += sidx_size;
6890 static int shift_data(AVFormatContext *s)
6892 int ret = 0, moov_size;
6893 MOVMuxContext *mov = s->priv_data;
6894 int64_t pos, pos_end;
6895 uint8_t *buf, *read_buf[2];
6896 int read_buf_id = 0;
6898 AVIOContext *read_pb;
6900 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
6901 moov_size = compute_sidx_size(s);
6903 moov_size = compute_moov_size(s);
6907 buf = av_malloc(moov_size * 2);
6909 return AVERROR(ENOMEM);
6911 read_buf[1] = buf + moov_size;
6913 /* Shift the data: the AVIO context of the output can only be used for
6914 * writing, so we re-open the same output, but for reading. It also avoids
6915 * a read/seek/write/seek back and forth. */
6917 ret = s->io_open(s, &read_pb, s->url, AVIO_FLAG_READ, NULL);
6919 av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for "
6920 "the second pass (faststart)\n", s->url);
6924 /* mark the end of the shift to up to the last data we wrote, and get ready
6926 pos_end = avio_tell(s->pb);
6927 avio_seek(s->pb, mov->reserved_header_pos + moov_size, SEEK_SET);
6929 /* start reading at where the new moov will be placed */
6930 avio_seek(read_pb, mov->reserved_header_pos, SEEK_SET);
6931 pos = avio_tell(read_pb);
6933 #define READ_BLOCK do { \
6934 read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
6938 /* shift data by chunk of at most moov_size */
6943 n = read_size[read_buf_id];
6946 avio_write(s->pb, read_buf[read_buf_id], n);
6948 } while (pos < pos_end);
6949 ff_format_io_close(s, &read_pb);
6956 static int mov_write_trailer(AVFormatContext *s)
6958 MOVMuxContext *mov = s->priv_data;
6959 AVIOContext *pb = s->pb;
6964 if (mov->need_rewrite_extradata) {
6965 for (i = 0; i < s->nb_streams; i++) {
6966 MOVTrack *track = &mov->tracks[i];
6967 AVCodecParameters *par = track->par;
6969 track->vos_len = par->extradata_size;
6970 track->vos_data = av_malloc(track->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
6971 if (!track->vos_data)
6972 return AVERROR(ENOMEM);
6973 memcpy(track->vos_data, par->extradata, track->vos_len);
6974 memset(track->vos_data + track->vos_len, 0, AV_INPUT_BUFFER_PADDING_SIZE);
6976 mov->need_rewrite_extradata = 0;
6980 * Before actually writing the trailer, make sure that there are no
6981 * dangling subtitles, that need a terminating sample.
6983 for (i = 0; i < mov->nb_streams; i++) {
6984 MOVTrack *trk = &mov->tracks[i];
6985 if (trk->par->codec_id == AV_CODEC_ID_MOV_TEXT &&
6986 !trk->last_sample_is_subtitle_end) {
6987 mov_write_subtitle_end_packet(s, i, trk->track_duration);
6988 trk->last_sample_is_subtitle_end = 1;
6992 // If there were no chapters when the header was written, but there
6993 // are chapters now, write them in the trailer. This only works
6994 // when we are not doing fragments.
6995 if (!mov->chapter_track && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
6996 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters) {
6997 mov->chapter_track = mov->nb_streams++;
6998 if ((res = mov_create_chapter_track(s, mov->chapter_track)) < 0)
7003 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
7004 moov_pos = avio_tell(pb);
7006 /* Write size of mdat tag */
7007 if (mov->mdat_size + 8 <= UINT32_MAX) {
7008 avio_seek(pb, mov->mdat_pos, SEEK_SET);
7009 avio_wb32(pb, mov->mdat_size + 8);
7011 /* overwrite 'wide' placeholder atom */
7012 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
7013 /* special value: real atom size will be 64 bit value after
7016 ffio_wfourcc(pb, "mdat");
7017 avio_wb64(pb, mov->mdat_size + 16);
7019 avio_seek(pb, mov->reserved_moov_size > 0 ? mov->reserved_header_pos : moov_pos, SEEK_SET);
7021 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
7022 av_log(s, AV_LOG_INFO, "Starting second pass: moving the moov atom to the beginning of the file\n");
7023 res = shift_data(s);
7026 avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
7027 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
7029 } else if (mov->reserved_moov_size > 0) {
7031 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
7033 size = mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_header_pos);
7035 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
7036 return AVERROR(EINVAL);
7038 avio_wb32(pb, size);
7039 ffio_wfourcc(pb, "free");
7040 ffio_fill(pb, 0, size - 8);
7041 avio_seek(pb, moov_pos, SEEK_SET);
7043 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
7048 mov_auto_flush_fragment(s, 1);
7049 for (i = 0; i < mov->nb_streams; i++)
7050 mov->tracks[i].data_offset = 0;
7051 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX) {
7053 av_log(s, AV_LOG_INFO, "Starting second pass: inserting sidx atoms\n");
7054 res = shift_data(s);
7057 end = avio_tell(pb);
7058 avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
7059 mov_write_sidx_tags(pb, mov, -1, 0);
7060 avio_seek(pb, end, SEEK_SET);
7062 if (!(mov->flags & FF_MOV_FLAG_SKIP_TRAILER)) {
7063 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_TRAILER);
7064 res = mov_write_mfra_tag(pb, mov);
7073 static int mov_check_bitstream(struct AVFormatContext *s, const AVPacket *pkt)
7076 AVStream *st = s->streams[pkt->stream_index];
7078 if (st->codecpar->codec_id == AV_CODEC_ID_AAC) {
7079 if (pkt->size > 2 && (AV_RB16(pkt->data) & 0xfff0) == 0xfff0)
7080 ret = ff_stream_add_bitstream_filter(st, "aac_adtstoasc", NULL);
7081 } else if (st->codecpar->codec_id == AV_CODEC_ID_VP9) {
7082 ret = ff_stream_add_bitstream_filter(st, "vp9_superframe", NULL);
7088 static const AVCodecTag codec_3gp_tags[] = {
7089 { AV_CODEC_ID_H263, MKTAG('s','2','6','3') },
7090 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
7091 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
7092 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
7093 { AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
7094 { AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
7095 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
7096 { AV_CODEC_ID_NONE, 0 },
7099 const AVCodecTag codec_mp4_tags[] = {
7100 { AV_CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
7101 { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') },
7102 { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '3') },
7103 { AV_CODEC_ID_HEVC, MKTAG('h', 'e', 'v', '1') },
7104 { AV_CODEC_ID_HEVC, MKTAG('h', 'v', 'c', '1') },
7105 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', '4', 'v') },
7106 { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', '4', 'v') },
7107 { AV_CODEC_ID_MJPEG, MKTAG('m', 'p', '4', 'v') },
7108 { AV_CODEC_ID_PNG, MKTAG('m', 'p', '4', 'v') },
7109 { AV_CODEC_ID_JPEG2000, MKTAG('m', 'p', '4', 'v') },
7110 { AV_CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') },
7111 { AV_CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
7112 { AV_CODEC_ID_TSCC2, MKTAG('m', 'p', '4', 'v') },
7113 { AV_CODEC_ID_VP9, MKTAG('v', 'p', '0', '9') },
7114 { AV_CODEC_ID_AV1, MKTAG('a', 'v', '0', '1') },
7115 { AV_CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
7116 { AV_CODEC_ID_MP4ALS, MKTAG('m', 'p', '4', 'a') },
7117 { AV_CODEC_ID_MP3, MKTAG('m', 'p', '4', 'a') },
7118 { AV_CODEC_ID_MP2, MKTAG('m', 'p', '4', 'a') },
7119 { AV_CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') },
7120 { AV_CODEC_ID_EAC3, MKTAG('e', 'c', '-', '3') },
7121 { AV_CODEC_ID_DTS, MKTAG('m', 'p', '4', 'a') },
7122 { AV_CODEC_ID_TRUEHD, MKTAG('m', 'l', 'p', 'a') },
7123 { AV_CODEC_ID_FLAC, MKTAG('f', 'L', 'a', 'C') },
7124 { AV_CODEC_ID_OPUS, MKTAG('O', 'p', 'u', 's') },
7125 { AV_CODEC_ID_VORBIS, MKTAG('m', 'p', '4', 'a') },
7126 { AV_CODEC_ID_QCELP, MKTAG('m', 'p', '4', 'a') },
7127 { AV_CODEC_ID_EVRC, MKTAG('m', 'p', '4', 'a') },
7128 { AV_CODEC_ID_DVD_SUBTITLE, MKTAG('m', 'p', '4', 's') },
7129 { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
7130 { AV_CODEC_ID_BIN_DATA, MKTAG('g', 'p', 'm', 'd') },
7131 { AV_CODEC_ID_MPEGH_3D_AUDIO, MKTAG('m', 'h', 'm', '1') },
7132 { AV_CODEC_ID_NONE, 0 },
7135 const AVCodecTag codec_ism_tags[] = {
7136 { AV_CODEC_ID_WMAPRO , MKTAG('w', 'm', 'a', ' ') },
7137 { AV_CODEC_ID_NONE , 0 },
7140 static const AVCodecTag codec_ipod_tags[] = {
7141 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
7142 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
7143 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
7144 { AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') },
7145 { AV_CODEC_ID_AC3, MKTAG('a','c','-','3') },
7146 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
7147 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
7148 { AV_CODEC_ID_NONE, 0 },
7151 static const AVCodecTag codec_f4v_tags[] = {
7152 { AV_CODEC_ID_MP3, MKTAG('.','m','p','3') },
7153 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
7154 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
7155 { AV_CODEC_ID_VP6A, MKTAG('V','P','6','A') },
7156 { AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') },
7157 { AV_CODEC_ID_NONE, 0 },
7160 #if CONFIG_MOV_MUXER
7162 AVOutputFormat ff_mov_muxer = {
7164 .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
7165 .extensions = "mov",
7166 .priv_data_size = sizeof(MOVMuxContext),
7167 .audio_codec = AV_CODEC_ID_AAC,
7168 .video_codec = CONFIG_LIBX264_ENCODER ?
7169 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
7171 .write_header = mov_write_header,
7172 .write_packet = mov_write_packet,
7173 .write_trailer = mov_write_trailer,
7175 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7176 .codec_tag = (const AVCodecTag* const []){
7177 ff_codec_movvideo_tags, ff_codec_movaudio_tags, ff_codec_movsubtitle_tags, 0
7179 .check_bitstream = mov_check_bitstream,
7180 .priv_class = &mov_muxer_class,
7183 #if CONFIG_TGP_MUXER
7185 AVOutputFormat ff_tgp_muxer = {
7187 .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
7188 .extensions = "3gp",
7189 .priv_data_size = sizeof(MOVMuxContext),
7190 .audio_codec = AV_CODEC_ID_AMR_NB,
7191 .video_codec = AV_CODEC_ID_H263,
7193 .write_header = mov_write_header,
7194 .write_packet = mov_write_packet,
7195 .write_trailer = mov_write_trailer,
7197 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7198 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
7199 .check_bitstream = mov_check_bitstream,
7200 .priv_class = &tgp_muxer_class,
7203 #if CONFIG_MP4_MUXER
7205 AVOutputFormat ff_mp4_muxer = {
7207 .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
7208 .mime_type = "video/mp4",
7209 .extensions = "mp4",
7210 .priv_data_size = sizeof(MOVMuxContext),
7211 .audio_codec = AV_CODEC_ID_AAC,
7212 .video_codec = CONFIG_LIBX264_ENCODER ?
7213 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
7215 .write_header = mov_write_header,
7216 .write_packet = mov_write_packet,
7217 .write_trailer = mov_write_trailer,
7219 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7220 .codec_tag = (const AVCodecTag* const []){ codec_mp4_tags, 0 },
7221 .check_bitstream = mov_check_bitstream,
7222 .priv_class = &mp4_muxer_class,
7225 #if CONFIG_PSP_MUXER
7227 AVOutputFormat ff_psp_muxer = {
7229 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
7230 .extensions = "mp4,psp",
7231 .priv_data_size = sizeof(MOVMuxContext),
7232 .audio_codec = AV_CODEC_ID_AAC,
7233 .video_codec = CONFIG_LIBX264_ENCODER ?
7234 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
7236 .write_header = mov_write_header,
7237 .write_packet = mov_write_packet,
7238 .write_trailer = mov_write_trailer,
7240 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7241 .codec_tag = (const AVCodecTag* const []){ codec_mp4_tags, 0 },
7242 .check_bitstream = mov_check_bitstream,
7243 .priv_class = &psp_muxer_class,
7246 #if CONFIG_TG2_MUXER
7248 AVOutputFormat ff_tg2_muxer = {
7250 .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
7251 .extensions = "3g2",
7252 .priv_data_size = sizeof(MOVMuxContext),
7253 .audio_codec = AV_CODEC_ID_AMR_NB,
7254 .video_codec = AV_CODEC_ID_H263,
7256 .write_header = mov_write_header,
7257 .write_packet = mov_write_packet,
7258 .write_trailer = mov_write_trailer,
7260 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7261 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
7262 .check_bitstream = mov_check_bitstream,
7263 .priv_class = &tg2_muxer_class,
7266 #if CONFIG_IPOD_MUXER
7268 AVOutputFormat ff_ipod_muxer = {
7270 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
7271 .mime_type = "video/mp4",
7272 .extensions = "m4v,m4a,m4b",
7273 .priv_data_size = sizeof(MOVMuxContext),
7274 .audio_codec = AV_CODEC_ID_AAC,
7275 .video_codec = AV_CODEC_ID_H264,
7277 .write_header = mov_write_header,
7278 .write_packet = mov_write_packet,
7279 .write_trailer = mov_write_trailer,
7281 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7282 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
7283 .check_bitstream = mov_check_bitstream,
7284 .priv_class = &ipod_muxer_class,
7287 #if CONFIG_ISMV_MUXER
7289 AVOutputFormat ff_ismv_muxer = {
7291 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
7292 .mime_type = "video/mp4",
7293 .extensions = "ismv,isma",
7294 .priv_data_size = sizeof(MOVMuxContext),
7295 .audio_codec = AV_CODEC_ID_AAC,
7296 .video_codec = AV_CODEC_ID_H264,
7298 .write_header = mov_write_header,
7299 .write_packet = mov_write_packet,
7300 .write_trailer = mov_write_trailer,
7302 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7303 .codec_tag = (const AVCodecTag* const []){
7304 codec_mp4_tags, codec_ism_tags, 0 },
7305 .check_bitstream = mov_check_bitstream,
7306 .priv_class = &ismv_muxer_class,
7309 #if CONFIG_F4V_MUXER
7311 AVOutputFormat ff_f4v_muxer = {
7313 .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
7314 .mime_type = "application/f4v",
7315 .extensions = "f4v",
7316 .priv_data_size = sizeof(MOVMuxContext),
7317 .audio_codec = AV_CODEC_ID_AAC,
7318 .video_codec = AV_CODEC_ID_H264,
7320 .write_header = mov_write_header,
7321 .write_packet = mov_write_packet,
7322 .write_trailer = mov_write_trailer,
7324 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
7325 .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 },
7326 .check_bitstream = mov_check_bitstream,
7327 .priv_class = &f4v_muxer_class,