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 (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 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
638 AVCPBProperties *props;
639 int64_t pos = avio_tell(pb);
640 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
641 unsigned avg_bitrate;
643 avio_wb32(pb, 0); // size
644 ffio_wfourcc(pb, "esds");
645 avio_wb32(pb, 0); // Version
648 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
649 avio_wb16(pb, track->track_id);
650 avio_w8(pb, 0x00); // flags (= no flags)
652 // DecoderConfig descriptor
653 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
655 // Object type indication
656 if ((track->par->codec_id == AV_CODEC_ID_MP2 ||
657 track->par->codec_id == AV_CODEC_ID_MP3) &&
658 track->par->sample_rate > 24000)
659 avio_w8(pb, 0x6B); // 11172-3
661 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->par->codec_id));
663 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
664 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
665 if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
666 avio_w8(pb, (0x38 << 2) | 1); // flags (= NeroSubpicStream)
667 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
668 avio_w8(pb, 0x15); // flags (= Audiostream)
670 avio_w8(pb, 0x11); // flags (= Visualstream)
672 props = (AVCPBProperties*)av_stream_get_side_data(track->st, AV_PKT_DATA_CPB_PROPERTIES,
675 avio_wb24(pb, props ? props->buffer_size / 8 : 0); // Buffersize DB
677 avg_bitrate = compute_avg_bitrate(track);
678 avio_wb32(pb, props ? FFMAX3(props->max_bitrate, props->avg_bitrate, avg_bitrate) : FFMAX(track->par->bit_rate, avg_bitrate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
679 avio_wb32(pb, avg_bitrate);
681 if (track->vos_len) {
682 // DecoderSpecific info descriptor
683 put_descr(pb, 0x05, track->vos_len);
684 avio_write(pb, track->vos_data, track->vos_len);
688 put_descr(pb, 0x06, 1);
690 return update_size(pb, pos);
693 static int mov_pcm_le_gt16(enum AVCodecID codec_id)
695 return codec_id == AV_CODEC_ID_PCM_S24LE ||
696 codec_id == AV_CODEC_ID_PCM_S32LE ||
697 codec_id == AV_CODEC_ID_PCM_F32LE ||
698 codec_id == AV_CODEC_ID_PCM_F64LE;
701 static int mov_pcm_be_gt16(enum AVCodecID codec_id)
703 return codec_id == AV_CODEC_ID_PCM_S24BE ||
704 codec_id == AV_CODEC_ID_PCM_S32BE ||
705 codec_id == AV_CODEC_ID_PCM_F32BE ||
706 codec_id == AV_CODEC_ID_PCM_F64BE;
709 static int mov_write_ms_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
712 int64_t pos = avio_tell(pb);
714 avio_wl32(pb, track->tag); // store it byteswapped
715 track->par->codec_tag = av_bswap16(track->tag >> 16);
716 if ((ret = ff_put_wav_header(s, pb, track->par, 0)) < 0)
718 return update_size(pb, pos);
721 static int mov_write_wfex_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
724 int64_t pos = avio_tell(pb);
726 ffio_wfourcc(pb, "wfex");
727 if ((ret = ff_put_wav_header(s, pb, track->st->codecpar, FF_PUT_WAV_HEADER_FORCE_WAVEFORMATEX)) < 0)
729 return update_size(pb, pos);
732 static int mov_write_dfla_tag(AVIOContext *pb, MOVTrack *track)
734 int64_t pos = avio_tell(pb);
736 ffio_wfourcc(pb, "dfLa");
737 avio_w8(pb, 0); /* version */
738 avio_wb24(pb, 0); /* flags */
740 /* Expect the encoder to pass a METADATA_BLOCK_TYPE_STREAMINFO. */
741 if (track->par->extradata_size != FLAC_STREAMINFO_SIZE)
742 return AVERROR_INVALIDDATA;
744 /* TODO: Write other METADATA_BLOCK_TYPEs if the encoder makes them available. */
745 avio_w8(pb, 1 << 7 | FLAC_METADATA_TYPE_STREAMINFO); /* LastMetadataBlockFlag << 7 | BlockType */
746 avio_wb24(pb, track->par->extradata_size); /* Length */
747 avio_write(pb, track->par->extradata, track->par->extradata_size); /* BlockData[Length] */
749 return update_size(pb, pos);
752 static int mov_write_dops_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
754 int64_t pos = avio_tell(pb);
756 ffio_wfourcc(pb, "dOps");
757 avio_w8(pb, 0); /* Version */
758 if (track->par->extradata_size < 19) {
759 av_log(s, AV_LOG_ERROR, "invalid extradata size\n");
760 return AVERROR_INVALIDDATA;
762 /* extradata contains an Ogg OpusHead, other than byte-ordering and
763 OpusHead's preceeding magic/version, OpusSpecificBox is currently
765 avio_w8(pb, AV_RB8(track->par->extradata + 9)); /* OuputChannelCount */
766 avio_wb16(pb, AV_RL16(track->par->extradata + 10)); /* PreSkip */
767 avio_wb32(pb, AV_RL32(track->par->extradata + 12)); /* InputSampleRate */
768 avio_wb16(pb, AV_RL16(track->par->extradata + 16)); /* OutputGain */
769 /* Write the rest of the header out without byte-swapping. */
770 avio_write(pb, track->par->extradata + 18, track->par->extradata_size - 18);
772 return update_size(pb, pos);
775 static int mov_write_dmlp_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
777 int64_t pos = avio_tell(pb);
780 ffio_wfourcc(pb, "dmlp");
782 if (track->vos_len < 20) {
783 av_log(s, AV_LOG_ERROR,
784 "Cannot write moov atom before TrueHD packets."
785 " Set the delay_moov flag to fix this.\n");
786 return AVERROR(EINVAL);
789 length = (AV_RB16(track->vos_data) & 0xFFF) * 2;
790 if (length < 20 || length > track->vos_len)
791 return AVERROR_INVALIDDATA;
793 // Only TrueHD is supported
794 if (AV_RB32(track->vos_data + 4) != 0xF8726FBA)
795 return AVERROR_INVALIDDATA;
797 avio_wb32(pb, AV_RB32(track->vos_data + 8)); /* format_info */
798 avio_wb16(pb, AV_RB16(track->vos_data + 18) << 1); /* peak_data_rate */
799 avio_wb32(pb, 0); /* reserved */
801 return update_size(pb, pos);
804 static int mov_write_chan_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
806 uint32_t layout_tag, bitmap;
807 int64_t pos = avio_tell(pb);
809 layout_tag = ff_mov_get_channel_layout_tag(track->par->codec_id,
810 track->par->channel_layout,
813 av_log(s, AV_LOG_WARNING, "not writing 'chan' tag due to "
814 "lack of channel information\n");
818 if (track->multichannel_as_mono)
821 avio_wb32(pb, 0); // Size
822 ffio_wfourcc(pb, "chan"); // Type
823 avio_w8(pb, 0); // Version
824 avio_wb24(pb, 0); // Flags
825 avio_wb32(pb, layout_tag); // mChannelLayoutTag
826 avio_wb32(pb, bitmap); // mChannelBitmap
827 avio_wb32(pb, 0); // mNumberChannelDescriptions
829 return update_size(pb, pos);
832 static int mov_write_wave_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
834 int64_t pos = avio_tell(pb);
836 avio_wb32(pb, 0); /* size */
837 ffio_wfourcc(pb, "wave");
839 if (track->par->codec_id != AV_CODEC_ID_QDM2) {
840 avio_wb32(pb, 12); /* size */
841 ffio_wfourcc(pb, "frma");
842 avio_wl32(pb, track->tag);
845 if (track->par->codec_id == AV_CODEC_ID_AAC) {
846 /* useless atom needed by mplayer, ipod, not needed by quicktime */
847 avio_wb32(pb, 12); /* size */
848 ffio_wfourcc(pb, "mp4a");
850 mov_write_esds_tag(pb, track);
851 } else if (mov_pcm_le_gt16(track->par->codec_id)) {
852 mov_write_enda_tag(pb);
853 } else if (mov_pcm_be_gt16(track->par->codec_id)) {
854 mov_write_enda_tag_be(pb);
855 } else if (track->par->codec_id == AV_CODEC_ID_AMR_NB) {
856 mov_write_amr_tag(pb, track);
857 } else if (track->par->codec_id == AV_CODEC_ID_AC3) {
858 mov_write_ac3_tag(s, pb, track);
859 } else if (track->par->codec_id == AV_CODEC_ID_EAC3) {
860 mov_write_eac3_tag(s, pb, track);
861 } else if (track->par->codec_id == AV_CODEC_ID_ALAC ||
862 track->par->codec_id == AV_CODEC_ID_QDM2) {
863 mov_write_extradata_tag(pb, track);
864 } else if (track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
865 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
866 mov_write_ms_tag(s, pb, track);
869 avio_wb32(pb, 8); /* size */
870 avio_wb32(pb, 0); /* null tag */
872 return update_size(pb, pos);
875 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
878 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
879 int unescaped_size, seq_found = 0;
880 int level = 0, interlace = 0;
881 int packet_seq = track->vc1_info.packet_seq;
882 int packet_entry = track->vc1_info.packet_entry;
883 int slices = track->vc1_info.slices;
886 if (track->start_dts == AV_NOPTS_VALUE) {
887 /* No packets written yet, vc1_info isn't authoritative yet. */
888 /* Assume inline sequence and entry headers. */
889 packet_seq = packet_entry = 1;
890 av_log(NULL, AV_LOG_WARNING,
891 "moov atom written before any packets, unable to write correct "
892 "dvc1 atom. Set the delay_moov flag to fix this.\n");
895 unescaped = av_mallocz(track->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
897 return AVERROR(ENOMEM);
898 start = find_next_marker(track->vos_data, end);
899 for (next = start; next < end; start = next) {
902 next = find_next_marker(start + 4, end);
903 size = next - start - 4;
906 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
907 init_get_bits(&gb, unescaped, 8 * unescaped_size);
908 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
909 int profile = get_bits(&gb, 2);
910 if (profile != PROFILE_ADVANCED) {
912 return AVERROR(ENOSYS);
915 level = get_bits(&gb, 3);
916 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
918 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
919 skip_bits(&gb, 1); /* broadcast */
920 interlace = get_bits1(&gb);
921 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
926 return AVERROR(ENOSYS);
929 init_put_bits(&pbc, buf, 7);
930 /* VC1DecSpecStruc */
931 put_bits(&pbc, 4, 12); /* profile - advanced */
932 put_bits(&pbc, 3, level);
933 put_bits(&pbc, 1, 0); /* reserved */
934 /* VC1AdvDecSpecStruc */
935 put_bits(&pbc, 3, level);
936 put_bits(&pbc, 1, 0); /* cbr */
937 put_bits(&pbc, 6, 0); /* reserved */
938 put_bits(&pbc, 1, !interlace); /* no interlace */
939 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
940 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
941 put_bits(&pbc, 1, !slices); /* no slice code */
942 put_bits(&pbc, 1, 0); /* no bframe */
943 put_bits(&pbc, 1, 0); /* reserved */
946 if (track->st->avg_frame_rate.num > 0 && track->st->avg_frame_rate.den > 0)
947 put_bits32(&pbc, track->st->avg_frame_rate.num / track->st->avg_frame_rate.den);
949 put_bits32(&pbc, 0xffffffff);
951 flush_put_bits(&pbc);
958 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
960 uint8_t buf[7] = { 0 };
963 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
966 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
967 ffio_wfourcc(pb, "dvc1");
968 avio_write(pb, buf, sizeof(buf));
969 avio_write(pb, track->vos_data, track->vos_len);
974 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
976 avio_wb32(pb, track->vos_len + 8);
977 ffio_wfourcc(pb, "glbl");
978 avio_write(pb, track->vos_data, track->vos_len);
979 return 8 + track->vos_len;
983 * Compute flags for 'lpcm' tag.
984 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
986 static int mov_get_lpcm_flags(enum AVCodecID codec_id)
989 case AV_CODEC_ID_PCM_F32BE:
990 case AV_CODEC_ID_PCM_F64BE:
992 case AV_CODEC_ID_PCM_F32LE:
993 case AV_CODEC_ID_PCM_F64LE:
995 case AV_CODEC_ID_PCM_U8:
997 case AV_CODEC_ID_PCM_S16BE:
998 case AV_CODEC_ID_PCM_S24BE:
999 case AV_CODEC_ID_PCM_S32BE:
1001 case AV_CODEC_ID_PCM_S8:
1002 case AV_CODEC_ID_PCM_S16LE:
1003 case AV_CODEC_ID_PCM_S24LE:
1004 case AV_CODEC_ID_PCM_S32LE:
1011 static int get_cluster_duration(MOVTrack *track, int cluster_idx)
1015 if (cluster_idx >= track->entry)
1018 if (cluster_idx + 1 == track->entry)
1019 next_dts = track->track_duration + track->start_dts;
1021 next_dts = track->cluster[cluster_idx + 1].dts;
1023 next_dts -= track->cluster[cluster_idx].dts;
1025 av_assert0(next_dts >= 0);
1026 av_assert0(next_dts <= INT_MAX);
1031 static int get_samples_per_packet(MOVTrack *track)
1033 int i, first_duration;
1035 // return track->par->frame_size;
1037 /* use 1 for raw PCM */
1038 if (!track->audio_vbr)
1041 /* check to see if duration is constant for all clusters */
1044 first_duration = get_cluster_duration(track, 0);
1045 for (i = 1; i < track->entry; i++) {
1046 if (get_cluster_duration(track, i) != first_duration)
1049 return first_duration;
1052 static int mov_write_audio_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
1054 int64_t pos = avio_tell(pb);
1056 uint32_t tag = track->tag;
1059 if (track->mode == MODE_MOV) {
1060 if (track->timescale > UINT16_MAX || !track->par->channels) {
1061 if (mov_get_lpcm_flags(track->par->codec_id))
1062 tag = AV_RL32("lpcm");
1064 } else if (track->audio_vbr || mov_pcm_le_gt16(track->par->codec_id) ||
1065 mov_pcm_be_gt16(track->par->codec_id) ||
1066 track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
1067 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
1068 track->par->codec_id == AV_CODEC_ID_QDM2) {
1073 avio_wb32(pb, 0); /* size */
1074 if (mov->encryption_scheme != MOV_ENC_NONE) {
1075 ffio_wfourcc(pb, "enca");
1077 avio_wl32(pb, tag); // store it byteswapped
1079 avio_wb32(pb, 0); /* Reserved */
1080 avio_wb16(pb, 0); /* Reserved */
1081 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
1083 /* SoundDescription */
1084 avio_wb16(pb, version); /* Version */
1085 avio_wb16(pb, 0); /* Revision level */
1086 avio_wb32(pb, 0); /* Reserved */
1091 avio_wb16(pb, 0xfffe);
1093 avio_wb32(pb, 0x00010000);
1095 avio_wb64(pb, av_double2int(track->par->sample_rate));
1096 avio_wb32(pb, track->par->channels);
1097 avio_wb32(pb, 0x7F000000);
1098 avio_wb32(pb, av_get_bits_per_sample(track->par->codec_id));
1099 avio_wb32(pb, mov_get_lpcm_flags(track->par->codec_id));
1100 avio_wb32(pb, track->sample_size);
1101 avio_wb32(pb, get_samples_per_packet(track));
1103 if (track->mode == MODE_MOV) {
1104 avio_wb16(pb, track->par->channels);
1105 if (track->par->codec_id == AV_CODEC_ID_PCM_U8 ||
1106 track->par->codec_id == AV_CODEC_ID_PCM_S8)
1107 avio_wb16(pb, 8); /* bits per sample */
1108 else if (track->par->codec_id == AV_CODEC_ID_ADPCM_G726)
1109 avio_wb16(pb, track->par->bits_per_coded_sample);
1112 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
1113 } else { /* reserved for mp4/3gp */
1114 if (track->par->codec_id == AV_CODEC_ID_FLAC ||
1115 track->par->codec_id == AV_CODEC_ID_ALAC ||
1116 track->par->codec_id == AV_CODEC_ID_OPUS) {
1117 avio_wb16(pb, track->par->channels);
1121 if (track->par->codec_id == AV_CODEC_ID_FLAC ||
1122 track->par->codec_id == AV_CODEC_ID_ALAC) {
1123 avio_wb16(pb, track->par->bits_per_raw_sample);
1130 avio_wb16(pb, 0); /* packet size (= 0) */
1131 if (track->par->codec_id == AV_CODEC_ID_OPUS)
1132 avio_wb16(pb, 48000);
1133 else if (track->par->codec_id == AV_CODEC_ID_TRUEHD)
1134 avio_wb32(pb, track->par->sample_rate);
1136 avio_wb16(pb, track->par->sample_rate <= UINT16_MAX ?
1137 track->par->sample_rate : 0);
1139 if (track->par->codec_id != AV_CODEC_ID_TRUEHD)
1140 avio_wb16(pb, 0); /* Reserved */
1143 if (version == 1) { /* SoundDescription V1 extended info */
1144 if (mov_pcm_le_gt16(track->par->codec_id) ||
1145 mov_pcm_be_gt16(track->par->codec_id))
1146 avio_wb32(pb, 1); /* must be 1 for uncompressed formats */
1148 avio_wb32(pb, track->par->frame_size); /* Samples per packet */
1149 avio_wb32(pb, track->sample_size / track->par->channels); /* Bytes per packet */
1150 avio_wb32(pb, track->sample_size); /* Bytes per frame */
1151 avio_wb32(pb, 2); /* Bytes per sample */
1154 if (track->mode == MODE_MOV &&
1155 (track->par->codec_id == AV_CODEC_ID_AAC ||
1156 track->par->codec_id == AV_CODEC_ID_AC3 ||
1157 track->par->codec_id == AV_CODEC_ID_EAC3 ||
1158 track->par->codec_id == AV_CODEC_ID_AMR_NB ||
1159 track->par->codec_id == AV_CODEC_ID_ALAC ||
1160 track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
1161 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
1162 track->par->codec_id == AV_CODEC_ID_QDM2 ||
1163 (mov_pcm_le_gt16(track->par->codec_id) && version==1) ||
1164 (mov_pcm_be_gt16(track->par->codec_id) && version==1)))
1165 ret = mov_write_wave_tag(s, pb, track);
1166 else if (track->tag == MKTAG('m','p','4','a'))
1167 ret = mov_write_esds_tag(pb, track);
1168 else if (track->par->codec_id == AV_CODEC_ID_AMR_NB)
1169 ret = mov_write_amr_tag(pb, track);
1170 else if (track->par->codec_id == AV_CODEC_ID_AC3)
1171 ret = mov_write_ac3_tag(s, pb, track);
1172 else if (track->par->codec_id == AV_CODEC_ID_EAC3)
1173 ret = mov_write_eac3_tag(s, pb, track);
1174 else if (track->par->codec_id == AV_CODEC_ID_ALAC)
1175 ret = mov_write_extradata_tag(pb, track);
1176 else if (track->par->codec_id == AV_CODEC_ID_WMAPRO)
1177 ret = mov_write_wfex_tag(s, pb, track);
1178 else if (track->par->codec_id == AV_CODEC_ID_FLAC)
1179 ret = mov_write_dfla_tag(pb, track);
1180 else if (track->par->codec_id == AV_CODEC_ID_OPUS)
1181 ret = mov_write_dops_tag(s, pb, track);
1182 else if (track->par->codec_id == AV_CODEC_ID_TRUEHD)
1183 ret = mov_write_dmlp_tag(s, pb, track);
1184 else if (track->vos_len > 0)
1185 ret = mov_write_glbl_tag(pb, track);
1190 if (track->mode == MODE_MOV && track->par->codec_type == AVMEDIA_TYPE_AUDIO
1191 && ((ret = mov_write_chan_tag(s, pb, track)) < 0)) {
1195 if (mov->encryption_scheme != MOV_ENC_NONE
1196 && ((ret = ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid)) < 0)) {
1200 ret = update_size(pb, pos);
1204 static int mov_write_d263_tag(AVIOContext *pb)
1206 avio_wb32(pb, 0xf); /* size */
1207 ffio_wfourcc(pb, "d263");
1208 ffio_wfourcc(pb, "FFMP");
1209 avio_w8(pb, 0); /* decoder version */
1210 /* FIXME use AVCodecContext level/profile, when encoder will set values */
1211 avio_w8(pb, 0xa); /* level */
1212 avio_w8(pb, 0); /* profile */
1216 static int mov_write_av1c_tag(AVIOContext *pb, MOVTrack *track)
1218 int64_t pos = avio_tell(pb);
1221 ffio_wfourcc(pb, "av1C");
1222 ff_isom_write_av1c(pb, track->vos_data, track->vos_len);
1223 return update_size(pb, pos);
1226 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
1228 int64_t pos = avio_tell(pb);
1231 ffio_wfourcc(pb, "avcC");
1232 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
1233 return update_size(pb, pos);
1236 static int mov_write_vpcc_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
1238 int64_t pos = avio_tell(pb);
1241 ffio_wfourcc(pb, "vpcC");
1242 avio_w8(pb, 1); /* version */
1243 avio_wb24(pb, 0); /* flags */
1244 ff_isom_write_vpcc(s, pb, track->par);
1245 return update_size(pb, pos);
1248 static int mov_write_hvcc_tag(AVIOContext *pb, MOVTrack *track)
1250 int64_t pos = avio_tell(pb);
1253 ffio_wfourcc(pb, "hvcC");
1254 if (track->tag == MKTAG('h','v','c','1'))
1255 ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 1);
1257 ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 0);
1258 return update_size(pb, pos);
1261 /* also used by all avid codecs (dv, imx, meridien) and their variants */
1262 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
1267 int display_width = track->par->width;
1269 if (track->vos_data && track->vos_len > 0x29) {
1270 if (ff_dnxhd_parse_header_prefix(track->vos_data) != 0) {
1271 /* looks like a DNxHD bit stream */
1272 interlaced = (track->vos_data[5] & 2);
1273 cid = AV_RB32(track->vos_data + 0x28);
1275 av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream in vos_data\n");
1279 av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream, vos_data too small\n");
1283 avio_wb32(pb, 24); /* size */
1284 ffio_wfourcc(pb, "ACLR");
1285 ffio_wfourcc(pb, "ACLR");
1286 ffio_wfourcc(pb, "0001");
1287 if (track->par->color_range == AVCOL_RANGE_MPEG || /* Legal range (16-235) */
1288 track->par->color_range == AVCOL_RANGE_UNSPECIFIED) {
1289 avio_wb32(pb, 1); /* Corresponds to 709 in official encoder */
1290 } else { /* Full range (0-255) */
1291 avio_wb32(pb, 2); /* Corresponds to RGB in official encoder */
1293 avio_wb32(pb, 0); /* unknown */
1295 if (track->tag == MKTAG('A','V','d','h')) {
1297 ffio_wfourcc(pb, "ADHR");
1298 ffio_wfourcc(pb, "0001");
1300 avio_wb32(pb, 0); /* unknown */
1301 avio_wb32(pb, 1); /* unknown */
1302 avio_wb32(pb, 0); /* unknown */
1303 avio_wb32(pb, 0); /* unknown */
1307 avio_wb32(pb, 24); /* size */
1308 ffio_wfourcc(pb, "APRG");
1309 ffio_wfourcc(pb, "APRG");
1310 ffio_wfourcc(pb, "0001");
1311 avio_wb32(pb, 1); /* unknown */
1312 avio_wb32(pb, 0); /* unknown */
1314 avio_wb32(pb, 120); /* size */
1315 ffio_wfourcc(pb, "ARES");
1316 ffio_wfourcc(pb, "ARES");
1317 ffio_wfourcc(pb, "0001");
1318 avio_wb32(pb, cid); /* dnxhd cid, some id ? */
1319 if ( track->par->sample_aspect_ratio.num > 0
1320 && track->par->sample_aspect_ratio.den > 0)
1321 display_width = display_width * track->par->sample_aspect_ratio.num / track->par->sample_aspect_ratio.den;
1322 avio_wb32(pb, display_width);
1323 /* values below are based on samples created with quicktime and avid codecs */
1325 avio_wb32(pb, track->par->height / 2);
1326 avio_wb32(pb, 2); /* unknown */
1327 avio_wb32(pb, 0); /* unknown */
1328 avio_wb32(pb, 4); /* unknown */
1330 avio_wb32(pb, track->par->height);
1331 avio_wb32(pb, 1); /* unknown */
1332 avio_wb32(pb, 0); /* unknown */
1333 if (track->par->height == 1080)
1334 avio_wb32(pb, 5); /* unknown */
1336 avio_wb32(pb, 6); /* unknown */
1339 for (i = 0; i < 10; i++)
1345 static int mov_write_dpxe_tag(AVIOContext *pb, MOVTrack *track)
1348 ffio_wfourcc(pb, "DpxE");
1349 if (track->par->extradata_size >= 12 &&
1350 !memcmp(&track->par->extradata[4], "DpxE", 4)) {
1351 avio_wb32(pb, track->par->extradata[11]);
1358 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
1362 if (track->par->width == 720) { /* SD */
1363 if (track->par->height == 480) { /* NTSC */
1364 if (track->par->format == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
1365 else tag = MKTAG('d','v','c',' ');
1366 }else if (track->par->format == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
1367 else if (track->par->format == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
1368 else tag = MKTAG('d','v','p','p');
1369 } else if (track->par->height == 720) { /* HD 720 line */
1370 if (track->st->time_base.den == 50) tag = MKTAG('d','v','h','q');
1371 else tag = MKTAG('d','v','h','p');
1372 } else if (track->par->height == 1080) { /* HD 1080 line */
1373 if (track->st->time_base.den == 25) tag = MKTAG('d','v','h','5');
1374 else tag = MKTAG('d','v','h','6');
1376 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
1383 static AVRational find_fps(AVFormatContext *s, AVStream *st)
1385 AVRational rate = st->avg_frame_rate;
1387 #if FF_API_LAVF_AVCTX
1388 FF_DISABLE_DEPRECATION_WARNINGS
1389 rate = av_inv_q(st->codec->time_base);
1390 if (av_timecode_check_frame_rate(rate) < 0) {
1391 av_log(s, AV_LOG_DEBUG, "timecode: tbc=%d/%d invalid, fallback on %d/%d\n",
1392 rate.num, rate.den, st->avg_frame_rate.num, st->avg_frame_rate.den);
1393 rate = st->avg_frame_rate;
1395 FF_ENABLE_DEPRECATION_WARNINGS
1401 static int defined_frame_rate(AVFormatContext *s, AVStream *st)
1403 AVRational rational_framerate = find_fps(s, st);
1405 if (rational_framerate.den != 0)
1406 rate = av_q2d(rational_framerate);
1410 static int mov_get_mpeg2_xdcam_codec_tag(AVFormatContext *s, MOVTrack *track)
1412 int tag = track->par->codec_tag;
1413 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1414 AVStream *st = track->st;
1415 int rate = defined_frame_rate(s, st);
1418 tag = MKTAG('m', '2', 'v', '1'); //fallback tag
1420 if (track->par->format == AV_PIX_FMT_YUV420P) {
1421 if (track->par->width == 1280 && track->par->height == 720) {
1423 if (rate == 24) tag = MKTAG('x','d','v','4');
1424 else if (rate == 25) tag = MKTAG('x','d','v','5');
1425 else if (rate == 30) tag = MKTAG('x','d','v','1');
1426 else if (rate == 50) tag = MKTAG('x','d','v','a');
1427 else if (rate == 60) tag = MKTAG('x','d','v','9');
1429 } else if (track->par->width == 1440 && track->par->height == 1080) {
1431 if (rate == 24) tag = MKTAG('x','d','v','6');
1432 else if (rate == 25) tag = MKTAG('x','d','v','7');
1433 else if (rate == 30) tag = MKTAG('x','d','v','8');
1435 if (rate == 25) tag = MKTAG('x','d','v','3');
1436 else if (rate == 30) tag = MKTAG('x','d','v','2');
1438 } else if (track->par->width == 1920 && track->par->height == 1080) {
1440 if (rate == 24) tag = MKTAG('x','d','v','d');
1441 else if (rate == 25) tag = MKTAG('x','d','v','e');
1442 else if (rate == 30) tag = MKTAG('x','d','v','f');
1444 if (rate == 25) tag = MKTAG('x','d','v','c');
1445 else if (rate == 30) tag = MKTAG('x','d','v','b');
1448 } else if (track->par->format == AV_PIX_FMT_YUV422P) {
1449 if (track->par->width == 1280 && track->par->height == 720) {
1451 if (rate == 24) tag = MKTAG('x','d','5','4');
1452 else if (rate == 25) tag = MKTAG('x','d','5','5');
1453 else if (rate == 30) tag = MKTAG('x','d','5','1');
1454 else if (rate == 50) tag = MKTAG('x','d','5','a');
1455 else if (rate == 60) tag = MKTAG('x','d','5','9');
1457 } else if (track->par->width == 1920 && track->par->height == 1080) {
1459 if (rate == 24) tag = MKTAG('x','d','5','d');
1460 else if (rate == 25) tag = MKTAG('x','d','5','e');
1461 else if (rate == 30) tag = MKTAG('x','d','5','f');
1463 if (rate == 25) tag = MKTAG('x','d','5','c');
1464 else if (rate == 30) tag = MKTAG('x','d','5','b');
1472 static int mov_get_h264_codec_tag(AVFormatContext *s, MOVTrack *track)
1474 int tag = track->par->codec_tag;
1475 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1476 AVStream *st = track->st;
1477 int rate = defined_frame_rate(s, st);
1480 tag = MKTAG('a', 'v', 'c', 'i'); //fallback tag
1482 if (track->par->format == AV_PIX_FMT_YUV420P10) {
1483 if (track->par->width == 960 && track->par->height == 720) {
1485 if (rate == 24) tag = MKTAG('a','i','5','p');
1486 else if (rate == 25) tag = MKTAG('a','i','5','q');
1487 else if (rate == 30) tag = MKTAG('a','i','5','p');
1488 else if (rate == 50) tag = MKTAG('a','i','5','q');
1489 else if (rate == 60) tag = MKTAG('a','i','5','p');
1491 } else if (track->par->width == 1440 && track->par->height == 1080) {
1493 if (rate == 24) tag = MKTAG('a','i','5','3');
1494 else if (rate == 25) tag = MKTAG('a','i','5','2');
1495 else if (rate == 30) tag = MKTAG('a','i','5','3');
1497 if (rate == 50) tag = MKTAG('a','i','5','5');
1498 else if (rate == 60) tag = MKTAG('a','i','5','6');
1501 } else if (track->par->format == AV_PIX_FMT_YUV422P10) {
1502 if (track->par->width == 1280 && track->par->height == 720) {
1504 if (rate == 24) tag = MKTAG('a','i','1','p');
1505 else if (rate == 25) tag = MKTAG('a','i','1','q');
1506 else if (rate == 30) tag = MKTAG('a','i','1','p');
1507 else if (rate == 50) tag = MKTAG('a','i','1','q');
1508 else if (rate == 60) tag = MKTAG('a','i','1','p');
1510 } else if (track->par->width == 1920 && track->par->height == 1080) {
1512 if (rate == 24) tag = MKTAG('a','i','1','3');
1513 else if (rate == 25) tag = MKTAG('a','i','1','2');
1514 else if (rate == 30) tag = MKTAG('a','i','1','3');
1516 if (rate == 25) tag = MKTAG('a','i','1','5');
1517 else if (rate == 50) tag = MKTAG('a','i','1','5');
1518 else if (rate == 60) tag = MKTAG('a','i','1','6');
1520 } else if ( track->par->width == 4096 && track->par->height == 2160
1521 || track->par->width == 3840 && track->par->height == 2160
1522 || track->par->width == 2048 && track->par->height == 1080) {
1523 tag = MKTAG('a','i','v','x');
1530 static const struct {
1531 enum AVPixelFormat pix_fmt;
1534 } mov_pix_fmt_tags[] = {
1535 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','2'), 0 },
1536 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
1537 { AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
1538 { AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
1539 { AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
1540 { AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
1541 { AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
1542 { AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
1543 { AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
1544 { AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
1545 { AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
1546 { AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
1547 { AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
1548 { AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
1549 { AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
1552 static int mov_get_dnxhd_codec_tag(AVFormatContext *s, MOVTrack *track)
1554 int tag = MKTAG('A','V','d','n');
1555 if (track->par->profile != FF_PROFILE_UNKNOWN &&
1556 track->par->profile != FF_PROFILE_DNXHD)
1557 tag = MKTAG('A','V','d','h');
1561 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
1563 int tag = track->par->codec_tag;
1565 enum AVPixelFormat pix_fmt;
1567 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
1568 if (track->par->format == mov_pix_fmt_tags[i].pix_fmt) {
1569 tag = mov_pix_fmt_tags[i].tag;
1570 track->par->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
1571 if (track->par->codec_tag == mov_pix_fmt_tags[i].tag)
1576 pix_fmt = avpriv_find_pix_fmt(avpriv_pix_fmt_bps_mov,
1577 track->par->bits_per_coded_sample);
1578 if (tag == MKTAG('r','a','w',' ') &&
1579 track->par->format != pix_fmt &&
1580 track->par->format != AV_PIX_FMT_GRAY8 &&
1581 track->par->format != AV_PIX_FMT_NONE)
1582 av_log(s, AV_LOG_ERROR, "%s rawvideo cannot be written to mov, output file will be unreadable\n",
1583 av_get_pix_fmt_name(track->par->format));
1587 static unsigned int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1589 unsigned int tag = track->par->codec_tag;
1591 if (!tag || (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
1592 (track->par->codec_id == AV_CODEC_ID_DVVIDEO ||
1593 track->par->codec_id == AV_CODEC_ID_RAWVIDEO ||
1594 track->par->codec_id == AV_CODEC_ID_H263 ||
1595 track->par->codec_id == AV_CODEC_ID_H264 ||
1596 track->par->codec_id == AV_CODEC_ID_DNXHD ||
1597 track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO ||
1598 av_get_bits_per_sample(track->par->codec_id)))) { // pcm audio
1599 if (track->par->codec_id == AV_CODEC_ID_DVVIDEO)
1600 tag = mov_get_dv_codec_tag(s, track);
1601 else if (track->par->codec_id == AV_CODEC_ID_RAWVIDEO)
1602 tag = mov_get_rawvideo_codec_tag(s, track);
1603 else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO)
1604 tag = mov_get_mpeg2_xdcam_codec_tag(s, track);
1605 else if (track->par->codec_id == AV_CODEC_ID_H264)
1606 tag = mov_get_h264_codec_tag(s, track);
1607 else if (track->par->codec_id == AV_CODEC_ID_DNXHD)
1608 tag = mov_get_dnxhd_codec_tag(s, track);
1609 else if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
1610 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->par->codec_id);
1611 if (!tag) { // if no mac fcc found, try with Microsoft tags
1612 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->par->codec_id);
1614 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
1615 "the file may be unplayable!\n");
1617 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
1618 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->par->codec_id);
1619 if (!tag) { // if no mac fcc found, try with Microsoft tags
1620 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->par->codec_id);
1622 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
1623 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
1624 "the file may be unplayable!\n");
1627 } else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)
1628 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->par->codec_id);
1634 static const AVCodecTag codec_cover_image_tags[] = {
1635 { AV_CODEC_ID_MJPEG, 0xD },
1636 { AV_CODEC_ID_PNG, 0xE },
1637 { AV_CODEC_ID_BMP, 0x1B },
1638 { AV_CODEC_ID_NONE, 0 },
1641 static unsigned int validate_codec_tag(const AVCodecTag *const *tags,
1642 unsigned int tag, int codec_id)
1647 * Check that tag + id is in the table
1649 for (i = 0; tags && tags[i]; i++) {
1650 const AVCodecTag *codec_tags = tags[i];
1651 while (codec_tags->id != AV_CODEC_ID_NONE) {
1652 if (avpriv_toupper4(codec_tags->tag) == avpriv_toupper4(tag) &&
1653 codec_tags->id == codec_id)
1654 return codec_tags->tag;
1661 static unsigned int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
1663 if (is_cover_image(track->st))
1664 return ff_codec_get_tag(codec_cover_image_tags, track->par->codec_id);
1666 if (track->mode == MODE_IPOD)
1667 if (!av_match_ext(s->url, "m4a") &&
1668 !av_match_ext(s->url, "m4v") &&
1669 !av_match_ext(s->url, "m4b"))
1670 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
1671 "Quicktime/Ipod might not play the file\n");
1673 if (track->mode == MODE_MOV) {
1674 return mov_get_codec_tag(s, track);
1676 return validate_codec_tag(s->oformat->codec_tag, track->par->codec_tag,
1677 track->par->codec_id);
1680 /** Write uuid atom.
1681 * Needed to make file play in iPods running newest firmware
1682 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
1684 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
1687 ffio_wfourcc(pb, "uuid");
1688 avio_wb32(pb, 0x6b6840f2);
1689 avio_wb32(pb, 0x5f244fc5);
1690 avio_wb32(pb, 0xba39a51b);
1691 avio_wb32(pb, 0xcf0323f3);
1696 static const uint16_t fiel_data[] = {
1697 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
1700 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track, int field_order)
1702 unsigned mov_field_order = 0;
1703 if (field_order < FF_ARRAY_ELEMS(fiel_data))
1704 mov_field_order = fiel_data[field_order];
1708 ffio_wfourcc(pb, "fiel");
1709 avio_wb16(pb, mov_field_order);
1713 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
1715 int64_t pos = avio_tell(pb);
1716 avio_wb32(pb, 0); /* size */
1717 avio_wl32(pb, track->tag); // store it byteswapped
1718 avio_wb32(pb, 0); /* Reserved */
1719 avio_wb16(pb, 0); /* Reserved */
1720 avio_wb16(pb, 1); /* Data-reference index */
1722 if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
1723 mov_write_esds_tag(pb, track);
1724 else if (track->par->extradata_size)
1725 avio_write(pb, track->par->extradata, track->par->extradata_size);
1727 return update_size(pb, pos);
1730 static int mov_write_st3d_tag(AVFormatContext *s, AVIOContext *pb, AVStereo3D *stereo_3d)
1734 if (stereo_3d->flags != 0) {
1735 av_log(s, AV_LOG_WARNING, "Unsupported stereo_3d flags %x. st3d not written.\n", stereo_3d->flags);
1739 switch (stereo_3d->type) {
1740 case AV_STEREO3D_2D:
1743 case AV_STEREO3D_TOPBOTTOM:
1746 case AV_STEREO3D_SIDEBYSIDE:
1750 av_log(s, AV_LOG_WARNING, "Unsupported stereo_3d type %s. st3d not written.\n", av_stereo3d_type_name(stereo_3d->type));
1753 avio_wb32(pb, 13); /* size */
1754 ffio_wfourcc(pb, "st3d");
1755 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1756 avio_w8(pb, stereo_mode);
1760 static int mov_write_sv3d_tag(AVFormatContext *s, AVIOContext *pb, AVSphericalMapping *spherical_mapping)
1762 int64_t sv3d_pos, svhd_pos, proj_pos;
1763 const char* metadata_source = s->flags & AVFMT_FLAG_BITEXACT ? "Lavf" : LIBAVFORMAT_IDENT;
1765 if (spherical_mapping->projection != AV_SPHERICAL_EQUIRECTANGULAR &&
1766 spherical_mapping->projection != AV_SPHERICAL_EQUIRECTANGULAR_TILE &&
1767 spherical_mapping->projection != AV_SPHERICAL_CUBEMAP) {
1768 av_log(s, AV_LOG_WARNING, "Unsupported projection %d. sv3d not written.\n", spherical_mapping->projection);
1772 sv3d_pos = avio_tell(pb);
1773 avio_wb32(pb, 0); /* size */
1774 ffio_wfourcc(pb, "sv3d");
1776 svhd_pos = avio_tell(pb);
1777 avio_wb32(pb, 0); /* size */
1778 ffio_wfourcc(pb, "svhd");
1779 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1780 avio_put_str(pb, metadata_source);
1781 update_size(pb, svhd_pos);
1783 proj_pos = avio_tell(pb);
1784 avio_wb32(pb, 0); /* size */
1785 ffio_wfourcc(pb, "proj");
1787 avio_wb32(pb, 24); /* size */
1788 ffio_wfourcc(pb, "prhd");
1789 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1790 avio_wb32(pb, spherical_mapping->yaw);
1791 avio_wb32(pb, spherical_mapping->pitch);
1792 avio_wb32(pb, spherical_mapping->roll);
1794 switch (spherical_mapping->projection) {
1795 case AV_SPHERICAL_EQUIRECTANGULAR:
1796 case AV_SPHERICAL_EQUIRECTANGULAR_TILE:
1797 avio_wb32(pb, 28); /* size */
1798 ffio_wfourcc(pb, "equi");
1799 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1800 avio_wb32(pb, spherical_mapping->bound_top);
1801 avio_wb32(pb, spherical_mapping->bound_bottom);
1802 avio_wb32(pb, spherical_mapping->bound_left);
1803 avio_wb32(pb, spherical_mapping->bound_right);
1805 case AV_SPHERICAL_CUBEMAP:
1806 avio_wb32(pb, 20); /* size */
1807 ffio_wfourcc(pb, "cbmp");
1808 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1809 avio_wb32(pb, 0); /* layout */
1810 avio_wb32(pb, spherical_mapping->padding); /* padding */
1813 update_size(pb, proj_pos);
1815 return update_size(pb, sv3d_pos);
1818 static int mov_write_dvcc_dvvc_tag(AVFormatContext *s, AVIOContext *pb, AVDOVIDecoderConfigurationRecord *dovi)
1820 avio_wb32(pb, 32); /* size = 8 + 24 */
1821 if (dovi->dv_profile > 7)
1822 ffio_wfourcc(pb, "dvvC");
1824 ffio_wfourcc(pb, "dvcC");
1825 avio_w8(pb, dovi->dv_version_major);
1826 avio_w8(pb, dovi->dv_version_minor);
1827 avio_wb16(pb, (dovi->dv_profile << 9) | (dovi->dv_level << 3) |
1828 (dovi->rpu_present_flag << 2) | (dovi->el_present_flag << 1) |
1829 dovi->bl_present_flag);
1830 avio_wb32(pb, (dovi->dv_bl_signal_compatibility_id << 28) | 0);
1832 avio_wb32(pb, 0); /* reserved */
1833 avio_wb32(pb, 0); /* reserved */
1834 avio_wb32(pb, 0); /* reserved */
1835 avio_wb32(pb, 0); /* reserved */
1836 av_log(s, AV_LOG_DEBUG, "DOVI in %s box, version: %d.%d, profile: %d, level: %d, "
1837 "rpu flag: %d, el flag: %d, bl flag: %d, compatibility id: %d\n",
1838 dovi->dv_profile > 7 ? "dvvC" : "dvcC",
1839 dovi->dv_version_major, dovi->dv_version_minor,
1840 dovi->dv_profile, dovi->dv_level,
1841 dovi->rpu_present_flag,
1842 dovi->el_present_flag,
1843 dovi->bl_present_flag,
1844 dovi->dv_bl_signal_compatibility_id);
1845 return 32; /* 8 + 24 */
1848 static int mov_write_clap_tag(AVIOContext *pb, MOVTrack *track)
1851 ffio_wfourcc(pb, "clap");
1852 avio_wb32(pb, track->par->width); /* apertureWidth_N */
1853 avio_wb32(pb, 1); /* apertureWidth_D (= 1) */
1854 avio_wb32(pb, track->height); /* apertureHeight_N */
1855 avio_wb32(pb, 1); /* apertureHeight_D (= 1) */
1856 avio_wb32(pb, 0); /* horizOff_N (= 0) */
1857 avio_wb32(pb, 1); /* horizOff_D (= 1) */
1858 avio_wb32(pb, 0); /* vertOff_N (= 0) */
1859 avio_wb32(pb, 1); /* vertOff_D (= 1) */
1863 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
1866 av_reduce(&sar.num, &sar.den, track->par->sample_aspect_ratio.num,
1867 track->par->sample_aspect_ratio.den, INT_MAX);
1870 ffio_wfourcc(pb, "pasp");
1871 avio_wb32(pb, sar.num);
1872 avio_wb32(pb, sar.den);
1876 static int mov_write_gama_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track, double gamma)
1880 gamma = avpriv_get_gamma_from_trc(track->par->color_trc);
1882 av_log(s, AV_LOG_DEBUG, "gamma value %g\n", gamma);
1885 gama = (uint32_t)lrint((double)(1<<16) * gamma);
1886 av_log(s, AV_LOG_DEBUG, "writing gama value %"PRId32"\n", gama);
1888 av_assert0(track->mode == MODE_MOV);
1890 ffio_wfourcc(pb, "gama");
1891 avio_wb32(pb, gama);
1894 av_log(s, AV_LOG_WARNING, "gamma value unknown, unable to write gama atom\n");
1899 static int mov_write_colr_tag(AVIOContext *pb, MOVTrack *track, int prefer_icc)
1901 int64_t pos = avio_tell(pb);
1903 // Ref (MOV): https://developer.apple.com/library/mac/technotes/tn2162/_index.html#//apple_ref/doc/uid/DTS40013070-CH1-TNTAG9
1904 // Ref (MP4): ISO/IEC 14496-12:2012
1906 const uint8_t *icc_profile;
1907 int icc_profile_size;
1910 icc_profile = av_stream_get_side_data(track->st, AV_PKT_DATA_ICC_PROFILE, &icc_profile_size);
1913 avio_wb32(pb, 12 + icc_profile_size);
1914 ffio_wfourcc(pb, "colr");
1915 ffio_wfourcc(pb, "prof");
1916 avio_write(pb, icc_profile, icc_profile_size);
1917 return 12 + icc_profile_size;
1920 av_log(NULL, AV_LOG_INFO, "no ICC profile found, will write nclx/nclc colour info instead\n");
1924 /* We should only ever be called by MOV or MP4. */
1925 av_assert0(track->mode == MODE_MOV || track->mode == MODE_MP4);
1927 avio_wb32(pb, 0); /* size */
1928 ffio_wfourcc(pb, "colr");
1929 if (track->mode == MODE_MP4)
1930 ffio_wfourcc(pb, "nclx");
1932 ffio_wfourcc(pb, "nclc");
1933 // Do not try to guess the color info if it is AVCOL_PRI_UNSPECIFIED.
1934 // e.g., Dolby Vision for Apple devices should be set to AVCOL_PRI_UNSPECIFIED. See
1935 // https://developer.apple.com/av-foundation/High-Dynamic-Range-Metadata-for-Apple-Devices.pdf
1936 avio_wb16(pb, track->par->color_primaries);
1937 avio_wb16(pb, track->par->color_trc);
1938 avio_wb16(pb, track->par->color_space);
1939 if (track->mode == MODE_MP4) {
1940 int full_range = track->par->color_range == AVCOL_RANGE_JPEG;
1941 avio_w8(pb, full_range << 7);
1944 return update_size(pb, pos);
1947 static int mov_write_clli_tag(AVIOContext *pb, MOVTrack *track)
1949 const uint8_t *side_data;
1950 const AVContentLightMetadata *content_light_metadata;
1952 side_data = av_stream_get_side_data(track->st, AV_PKT_DATA_CONTENT_LIGHT_LEVEL, NULL);
1954 av_log(NULL, AV_LOG_VERBOSE, "Not writing 'clli' atom. No content light level info.\n");
1957 content_light_metadata = (const AVContentLightMetadata*)side_data;
1959 avio_wb32(pb, 12); // size
1960 ffio_wfourcc(pb, "clli");
1961 avio_wb16(pb, content_light_metadata->MaxCLL);
1962 avio_wb16(pb, content_light_metadata->MaxFALL);
1966 static inline int64_t rescale_mdcv(AVRational q, int b)
1968 return av_rescale(q.num, b, q.den);
1971 static int mov_write_mdcv_tag(AVIOContext *pb, MOVTrack *track)
1973 const int chroma_den = 50000;
1974 const int luma_den = 10000;
1975 const uint8_t *side_data;
1976 const AVMasteringDisplayMetadata *metadata;
1978 side_data = av_stream_get_side_data(track->st, AV_PKT_DATA_MASTERING_DISPLAY_METADATA, NULL);
1979 metadata = (const AVMasteringDisplayMetadata*)side_data;
1980 if (!metadata || !metadata->has_primaries || !metadata->has_luminance) {
1981 av_log(NULL, AV_LOG_VERBOSE, "Not writing 'mdcv' atom. Missing mastering metadata.\n");
1985 avio_wb32(pb, 32); // size
1986 ffio_wfourcc(pb, "mdcv");
1987 avio_wb16(pb, rescale_mdcv(metadata->display_primaries[1][0], chroma_den));
1988 avio_wb16(pb, rescale_mdcv(metadata->display_primaries[1][1], chroma_den));
1989 avio_wb16(pb, rescale_mdcv(metadata->display_primaries[2][0], chroma_den));
1990 avio_wb16(pb, rescale_mdcv(metadata->display_primaries[2][1], chroma_den));
1991 avio_wb16(pb, rescale_mdcv(metadata->display_primaries[0][0], chroma_den));
1992 avio_wb16(pb, rescale_mdcv(metadata->display_primaries[0][1], chroma_den));
1993 avio_wb16(pb, rescale_mdcv(metadata->white_point[0], chroma_den));
1994 avio_wb16(pb, rescale_mdcv(metadata->white_point[1], chroma_den));
1995 avio_wb32(pb, rescale_mdcv(metadata->max_luminance, luma_den));
1996 avio_wb32(pb, rescale_mdcv(metadata->min_luminance, luma_den));
2000 static void find_compressor(char * compressor_name, int len, MOVTrack *track)
2002 AVDictionaryEntry *encoder;
2003 int xdcam_res = (track->par->width == 1280 && track->par->height == 720)
2004 || (track->par->width == 1440 && track->par->height == 1080)
2005 || (track->par->width == 1920 && track->par->height == 1080);
2007 if (track->mode == MODE_MOV &&
2008 (encoder = av_dict_get(track->st->metadata, "encoder", NULL, 0))) {
2009 av_strlcpy(compressor_name, encoder->value, 32);
2010 } else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO && xdcam_res) {
2011 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
2012 AVStream *st = track->st;
2013 int rate = defined_frame_rate(NULL, st);
2014 av_strlcatf(compressor_name, len, "XDCAM");
2015 if (track->par->format == AV_PIX_FMT_YUV422P) {
2016 av_strlcatf(compressor_name, len, " HD422");
2017 } else if(track->par->width == 1440) {
2018 av_strlcatf(compressor_name, len, " HD");
2020 av_strlcatf(compressor_name, len, " EX");
2022 av_strlcatf(compressor_name, len, " %d%c", track->par->height, interlaced ? 'i' : 'p');
2024 av_strlcatf(compressor_name, len, "%d", rate * (interlaced + 1));
2028 static int mov_write_video_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2030 int64_t pos = avio_tell(pb);
2031 char compressor_name[32] = { 0 };
2034 int uncompressed_ycbcr = ((track->par->codec_id == AV_CODEC_ID_RAWVIDEO && track->par->format == AV_PIX_FMT_UYVY422)
2035 || (track->par->codec_id == AV_CODEC_ID_RAWVIDEO && track->par->format == AV_PIX_FMT_YUYV422)
2036 || track->par->codec_id == AV_CODEC_ID_V308
2037 || track->par->codec_id == AV_CODEC_ID_V408
2038 || track->par->codec_id == AV_CODEC_ID_V410
2039 || track->par->codec_id == AV_CODEC_ID_V210);
2041 avio_wb32(pb, 0); /* size */
2042 if (mov->encryption_scheme != MOV_ENC_NONE) {
2043 ffio_wfourcc(pb, "encv");
2045 avio_wl32(pb, track->tag); // store it byteswapped
2047 avio_wb32(pb, 0); /* Reserved */
2048 avio_wb16(pb, 0); /* Reserved */
2049 avio_wb16(pb, 1); /* Data-reference index */
2051 if (uncompressed_ycbcr) {
2052 avio_wb16(pb, 2); /* Codec stream version */
2054 avio_wb16(pb, 0); /* Codec stream version */
2056 avio_wb16(pb, 0); /* Codec stream revision (=0) */
2057 if (track->mode == MODE_MOV) {
2058 ffio_wfourcc(pb, "FFMP"); /* Vendor */
2059 if (track->par->codec_id == AV_CODEC_ID_RAWVIDEO || uncompressed_ycbcr) {
2060 avio_wb32(pb, 0); /* Temporal Quality */
2061 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
2063 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
2064 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
2067 avio_wb32(pb, 0); /* Reserved */
2068 avio_wb32(pb, 0); /* Reserved */
2069 avio_wb32(pb, 0); /* Reserved */
2071 avio_wb16(pb, track->par->width); /* Video width */
2072 avio_wb16(pb, track->height); /* Video height */
2073 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
2074 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
2075 avio_wb32(pb, 0); /* Data size (= 0) */
2076 avio_wb16(pb, 1); /* Frame count (= 1) */
2078 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
2079 find_compressor(compressor_name, 32, track);
2080 avio_w8(pb, strlen(compressor_name));
2081 avio_write(pb, compressor_name, 31);
2083 if (track->mode == MODE_MOV &&
2084 (track->par->codec_id == AV_CODEC_ID_V410 || track->par->codec_id == AV_CODEC_ID_V210))
2085 avio_wb16(pb, 0x18);
2086 else if (track->mode == MODE_MOV && track->par->bits_per_coded_sample)
2087 avio_wb16(pb, track->par->bits_per_coded_sample |
2088 (track->par->format == AV_PIX_FMT_GRAY8 ? 0x20 : 0));
2090 avio_wb16(pb, 0x18); /* Reserved */
2092 if (track->mode == MODE_MOV && track->par->format == AV_PIX_FMT_PAL8) {
2093 int pal_size = 1 << track->par->bits_per_coded_sample;
2095 avio_wb16(pb, 0); /* Color table ID */
2096 avio_wb32(pb, 0); /* Color table seed */
2097 avio_wb16(pb, 0x8000); /* Color table flags */
2098 avio_wb16(pb, pal_size - 1); /* Color table size (zero-relative) */
2099 for (i = 0; i < pal_size; i++) {
2100 uint32_t rgb = track->palette[i];
2101 uint16_t r = (rgb >> 16) & 0xff;
2102 uint16_t g = (rgb >> 8) & 0xff;
2103 uint16_t b = rgb & 0xff;
2105 avio_wb16(pb, (r << 8) | r);
2106 avio_wb16(pb, (g << 8) | g);
2107 avio_wb16(pb, (b << 8) | b);
2110 avio_wb16(pb, 0xffff); /* Reserved */
2112 if (track->tag == MKTAG('m','p','4','v'))
2113 mov_write_esds_tag(pb, track);
2114 else if (track->par->codec_id == AV_CODEC_ID_H263)
2115 mov_write_d263_tag(pb);
2116 else if (track->par->codec_id == AV_CODEC_ID_AVUI ||
2117 track->par->codec_id == AV_CODEC_ID_SVQ3) {
2118 mov_write_extradata_tag(pb, track);
2120 } else if (track->par->codec_id == AV_CODEC_ID_DNXHD) {
2121 mov_write_avid_tag(pb, track);
2123 } else if (track->par->codec_id == AV_CODEC_ID_HEVC)
2124 mov_write_hvcc_tag(pb, track);
2125 else if (track->par->codec_id == AV_CODEC_ID_H264 && !TAG_IS_AVCI(track->tag)) {
2126 mov_write_avcc_tag(pb, track);
2127 if (track->mode == MODE_IPOD)
2128 mov_write_uuid_tag_ipod(pb);
2129 } else if (track->par->codec_id == AV_CODEC_ID_VP9) {
2130 mov_write_vpcc_tag(mov->fc, pb, track);
2131 } else if (track->par->codec_id == AV_CODEC_ID_AV1) {
2132 mov_write_av1c_tag(pb, track);
2133 } else if (track->par->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
2134 mov_write_dvc1_tag(pb, track);
2135 else if (track->par->codec_id == AV_CODEC_ID_VP6F ||
2136 track->par->codec_id == AV_CODEC_ID_VP6A) {
2137 /* Don't write any potential extradata here - the cropping
2138 * is signalled via the normal width/height fields. */
2139 } else if (track->par->codec_id == AV_CODEC_ID_R10K) {
2140 if (track->par->codec_tag == MKTAG('R','1','0','k'))
2141 mov_write_dpxe_tag(pb, track);
2142 } else if (track->vos_len > 0)
2143 mov_write_glbl_tag(pb, track);
2145 if (track->par->codec_id != AV_CODEC_ID_H264 &&
2146 track->par->codec_id != AV_CODEC_ID_MPEG4 &&
2147 track->par->codec_id != AV_CODEC_ID_DNXHD) {
2148 int field_order = track->par->field_order;
2150 #if FF_API_LAVF_AVCTX
2151 FF_DISABLE_DEPRECATION_WARNINGS
2152 if (field_order != track->st->codec->field_order && track->st->codec->field_order != AV_FIELD_UNKNOWN)
2153 field_order = track->st->codec->field_order;
2154 FF_ENABLE_DEPRECATION_WARNINGS
2157 if (field_order != AV_FIELD_UNKNOWN)
2158 mov_write_fiel_tag(pb, track, field_order);
2161 if (mov->flags & FF_MOV_FLAG_WRITE_GAMA) {
2162 if (track->mode == MODE_MOV)
2163 mov_write_gama_tag(s, pb, track, mov->gamma);
2165 av_log(mov->fc, AV_LOG_WARNING, "Not writing 'gama' atom. Format is not MOV.\n");
2167 if (mov->flags & FF_MOV_FLAG_WRITE_COLR) {
2168 if (track->mode == MODE_MOV || track->mode == MODE_MP4)
2169 mov_write_colr_tag(pb, track, mov->flags & FF_MOV_FLAG_PREFER_ICC);
2171 av_log(mov->fc, AV_LOG_WARNING, "Not writing 'colr' atom. Format is not MOV or MP4.\n");
2173 if (track->mode == MODE_MOV || track->mode == MODE_MP4) {
2174 mov_write_clli_tag(pb, track);
2175 mov_write_mdcv_tag(pb, track);
2178 if (track->mode == MODE_MP4 && mov->fc->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
2179 AVStereo3D* stereo_3d = (AVStereo3D*) av_stream_get_side_data(track->st, AV_PKT_DATA_STEREO3D, NULL);
2180 AVSphericalMapping* spherical_mapping = (AVSphericalMapping*)av_stream_get_side_data(track->st, AV_PKT_DATA_SPHERICAL, NULL);
2181 AVDOVIDecoderConfigurationRecord *dovi = (AVDOVIDecoderConfigurationRecord *)
2182 av_stream_get_side_data(track->st, AV_PKT_DATA_DOVI_CONF, NULL);;
2185 mov_write_st3d_tag(s, pb, stereo_3d);
2186 if (spherical_mapping)
2187 mov_write_sv3d_tag(mov->fc, pb, spherical_mapping);
2189 mov_write_dvcc_dvvc_tag(s, pb, dovi);
2192 if (track->par->sample_aspect_ratio.den && track->par->sample_aspect_ratio.num) {
2193 mov_write_pasp_tag(pb, track);
2196 if (uncompressed_ycbcr){
2197 mov_write_clap_tag(pb, track);
2200 if (mov->encryption_scheme != MOV_ENC_NONE) {
2201 ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid);
2204 /* extra padding for avid stsd */
2205 /* https://developer.apple.com/library/mac/documentation/QuickTime/QTFF/QTFFChap2/qtff2.html#//apple_ref/doc/uid/TP40000939-CH204-61112 */
2209 return update_size(pb, pos);
2212 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
2214 int64_t pos = avio_tell(pb);
2215 avio_wb32(pb, 0); /* size */
2216 ffio_wfourcc(pb, "rtp ");
2217 avio_wb32(pb, 0); /* Reserved */
2218 avio_wb16(pb, 0); /* Reserved */
2219 avio_wb16(pb, 1); /* Data-reference index */
2221 avio_wb16(pb, 1); /* Hint track version */
2222 avio_wb16(pb, 1); /* Highest compatible version */
2223 avio_wb32(pb, track->max_packet_size); /* Max packet size */
2225 avio_wb32(pb, 12); /* size */
2226 ffio_wfourcc(pb, "tims");
2227 avio_wb32(pb, track->timescale);
2229 return update_size(pb, pos);
2232 static int mov_write_source_reference_tag(AVIOContext *pb, MOVTrack *track, const char *reel_name)
2234 uint64_t str_size =strlen(reel_name);
2235 int64_t pos = avio_tell(pb);
2237 if (str_size >= UINT16_MAX){
2238 av_log(NULL, AV_LOG_ERROR, "reel_name length %"PRIu64" is too large\n", str_size);
2240 return AVERROR(EINVAL);
2243 avio_wb32(pb, 0); /* size */
2244 ffio_wfourcc(pb, "name"); /* Data format */
2245 avio_wb16(pb, str_size); /* string size */
2246 avio_wb16(pb, track->language); /* langcode */
2247 avio_write(pb, reel_name, str_size); /* reel name */
2248 return update_size(pb,pos);
2251 static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
2253 int64_t pos = avio_tell(pb);
2257 AVDictionaryEntry *t = NULL;
2259 if (!track->st->avg_frame_rate.num || !track->st->avg_frame_rate.den) {
2260 #if FF_API_LAVF_AVCTX
2261 FF_DISABLE_DEPRECATION_WARNINGS
2262 frame_duration = av_rescale(track->timescale, track->st->codec->time_base.num, track->st->codec->time_base.den);
2263 nb_frames = ROUNDED_DIV(track->st->codec->time_base.den, track->st->codec->time_base.num);
2264 FF_ENABLE_DEPRECATION_WARNINGS
2266 av_log(NULL, AV_LOG_ERROR, "avg_frame_rate not set for tmcd track.\n");
2267 return AVERROR(EINVAL);
2270 frame_duration = av_rescale(track->timescale, track->st->avg_frame_rate.num, track->st->avg_frame_rate.den);
2271 nb_frames = ROUNDED_DIV(track->st->avg_frame_rate.den, track->st->avg_frame_rate.num);
2274 if (nb_frames > 255) {
2275 av_log(NULL, AV_LOG_ERROR, "fps %d is too large\n", nb_frames);
2276 return AVERROR(EINVAL);
2279 avio_wb32(pb, 0); /* size */
2280 ffio_wfourcc(pb, "tmcd"); /* Data format */
2281 avio_wb32(pb, 0); /* Reserved */
2282 avio_wb32(pb, 1); /* Data reference index */
2283 avio_wb32(pb, 0); /* Flags */
2284 avio_wb32(pb, track->timecode_flags); /* Flags (timecode) */
2285 avio_wb32(pb, track->timescale); /* Timescale */
2286 avio_wb32(pb, frame_duration); /* Frame duration */
2287 avio_w8(pb, nb_frames); /* Number of frames */
2288 avio_w8(pb, 0); /* Reserved */
2290 t = av_dict_get(track->st->metadata, "reel_name", NULL, 0);
2291 if (t && utf8len(t->value) && track->mode != MODE_MP4)
2292 mov_write_source_reference_tag(pb, track, t->value);
2294 avio_wb16(pb, 0); /* zero size */
2297 avio_wb32(pb, 0); /* size */
2298 ffio_wfourcc(pb, "tmcd"); /* Data format */
2299 avio_wb32(pb, 0); /* Reserved */
2300 avio_wb32(pb, 1); /* Data reference index */
2301 if (track->par->extradata_size)
2302 avio_write(pb, track->par->extradata, track->par->extradata_size);
2304 return update_size(pb, pos);
2307 static int mov_write_gpmd_tag(AVIOContext *pb, const MOVTrack *track)
2309 int64_t pos = avio_tell(pb);
2310 avio_wb32(pb, 0); /* size */
2311 ffio_wfourcc(pb, "gpmd");
2312 avio_wb32(pb, 0); /* Reserved */
2313 avio_wb16(pb, 0); /* Reserved */
2314 avio_wb16(pb, 1); /* Data-reference index */
2315 avio_wb32(pb, 0); /* Reserved */
2316 return update_size(pb, pos);
2319 static int mov_write_stsd_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2321 int64_t pos = avio_tell(pb);
2323 avio_wb32(pb, 0); /* size */
2324 ffio_wfourcc(pb, "stsd");
2325 avio_wb32(pb, 0); /* version & flags */
2326 avio_wb32(pb, 1); /* entry count */
2327 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO)
2328 ret = mov_write_video_tag(s, pb, mov, track);
2329 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2330 ret = mov_write_audio_tag(s, pb, mov, track);
2331 else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)
2332 ret = mov_write_subtitle_tag(pb, track);
2333 else if (track->par->codec_tag == MKTAG('r','t','p',' '))
2334 ret = mov_write_rtp_tag(pb, track);
2335 else if (track->par->codec_tag == MKTAG('t','m','c','d'))
2336 ret = mov_write_tmcd_tag(pb, track);
2337 else if (track->par->codec_tag == MKTAG('g','p','m','d'))
2338 ret = mov_write_gpmd_tag(pb, track);
2343 return update_size(pb, pos);
2346 static int mov_write_ctts_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
2348 MOVMuxContext *mov = s->priv_data;
2349 MOVStts *ctts_entries;
2350 uint32_t entries = 0;
2354 ctts_entries = av_malloc_array((track->entry + 1), sizeof(*ctts_entries)); /* worst case */
2356 return AVERROR(ENOMEM);
2357 ctts_entries[0].count = 1;
2358 ctts_entries[0].duration = track->cluster[0].cts;
2359 for (i = 1; i < track->entry; i++) {
2360 if (track->cluster[i].cts == ctts_entries[entries].duration) {
2361 ctts_entries[entries].count++; /* compress */
2364 ctts_entries[entries].duration = track->cluster[i].cts;
2365 ctts_entries[entries].count = 1;
2368 entries++; /* last one */
2369 atom_size = 16 + (entries * 8);
2370 avio_wb32(pb, atom_size); /* size */
2371 ffio_wfourcc(pb, "ctts");
2372 if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
2373 avio_w8(pb, 1); /* version */
2375 avio_w8(pb, 0); /* version */
2376 avio_wb24(pb, 0); /* flags */
2377 avio_wb32(pb, entries); /* entry count */
2378 for (i = 0; i < entries; i++) {
2379 avio_wb32(pb, ctts_entries[i].count);
2380 avio_wb32(pb, ctts_entries[i].duration);
2382 av_free(ctts_entries);
2386 /* Time to sample atom */
2387 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
2389 MOVStts *stts_entries = NULL;
2390 uint32_t entries = -1;
2394 if (track->par->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
2395 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
2397 return AVERROR(ENOMEM);
2398 stts_entries[0].count = track->sample_count;
2399 stts_entries[0].duration = 1;
2403 stts_entries = av_malloc_array(track->entry, sizeof(*stts_entries)); /* worst case */
2405 return AVERROR(ENOMEM);
2407 for (i = 0; i < track->entry; i++) {
2408 int duration = get_cluster_duration(track, i);
2409 if (i && duration == stts_entries[entries].duration) {
2410 stts_entries[entries].count++; /* compress */
2413 stts_entries[entries].duration = duration;
2414 stts_entries[entries].count = 1;
2417 entries++; /* last one */
2419 atom_size = 16 + (entries * 8);
2420 avio_wb32(pb, atom_size); /* size */
2421 ffio_wfourcc(pb, "stts");
2422 avio_wb32(pb, 0); /* version & flags */
2423 avio_wb32(pb, entries); /* entry count */
2424 for (i = 0; i < entries; i++) {
2425 avio_wb32(pb, stts_entries[i].count);
2426 avio_wb32(pb, stts_entries[i].duration);
2428 av_free(stts_entries);
2432 static int mov_write_dref_tag(AVIOContext *pb)
2434 avio_wb32(pb, 28); /* size */
2435 ffio_wfourcc(pb, "dref");
2436 avio_wb32(pb, 0); /* version & flags */
2437 avio_wb32(pb, 1); /* entry count */
2439 avio_wb32(pb, 0xc); /* size */
2440 //FIXME add the alis and rsrc atom
2441 ffio_wfourcc(pb, "url ");
2442 avio_wb32(pb, 1); /* version & flags */
2447 static int mov_preroll_write_stbl_atoms(AVIOContext *pb, MOVTrack *track)
2451 int16_t roll_distance;
2452 int group_description_index;
2455 struct sgpd_entry *sgpd_entries = NULL;
2460 const int OPUS_SEEK_PREROLL_MS = 80;
2461 int roll_samples = av_rescale_q(OPUS_SEEK_PREROLL_MS,
2462 (AVRational){1, 1000},
2463 (AVRational){1, 48000});
2468 sgpd_entries = av_malloc_array(track->entry, sizeof(*sgpd_entries));
2470 return AVERROR(ENOMEM);
2472 av_assert0(track->par->codec_id == AV_CODEC_ID_OPUS || track->par->codec_id == AV_CODEC_ID_AAC);
2474 if (track->par->codec_id == AV_CODEC_ID_OPUS) {
2475 for (i = 0; i < track->entry; i++) {
2476 int roll_samples_remaining = roll_samples;
2478 for (j = i - 1; j >= 0; j--) {
2479 roll_samples_remaining -= get_cluster_duration(track, j);
2481 if (roll_samples_remaining <= 0)
2484 /* We don't have enough preceeding samples to compute a valid
2485 roll_distance here, so this sample can't be independently
2487 if (roll_samples_remaining > 0)
2489 /* Verify distance is a maximum of 32 (2.5ms) packets. */
2491 return AVERROR_INVALIDDATA;
2492 if (i && distance == sgpd_entries[entries].roll_distance) {
2493 sgpd_entries[entries].count++;
2496 sgpd_entries[entries].count = 1;
2497 sgpd_entries[entries].roll_distance = distance;
2498 sgpd_entries[entries].group_description_index = distance ? ++group : 0;
2503 sgpd_entries[entries].count = track->sample_count;
2504 sgpd_entries[entries].roll_distance = 1;
2505 sgpd_entries[entries].group_description_index = ++group;
2510 av_free(sgpd_entries);
2514 /* Write sgpd tag */
2515 avio_wb32(pb, 24 + (group * 2)); /* size */
2516 ffio_wfourcc(pb, "sgpd");
2517 avio_wb32(pb, 1 << 24); /* fullbox */
2518 ffio_wfourcc(pb, "roll");
2519 avio_wb32(pb, 2); /* default_length */
2520 avio_wb32(pb, group); /* entry_count */
2521 for (i = 0; i < entries; i++) {
2522 if (sgpd_entries[i].group_description_index) {
2523 avio_wb16(pb, -sgpd_entries[i].roll_distance); /* roll_distance */
2527 /* Write sbgp tag */
2528 avio_wb32(pb, 20 + (entries * 8)); /* size */
2529 ffio_wfourcc(pb, "sbgp");
2530 avio_wb32(pb, 0); /* fullbox */
2531 ffio_wfourcc(pb, "roll");
2532 avio_wb32(pb, entries); /* entry_count */
2533 for (i = 0; i < entries; i++) {
2534 avio_wb32(pb, sgpd_entries[i].count); /* sample_count */
2535 avio_wb32(pb, sgpd_entries[i].group_description_index); /* group_description_index */
2538 av_free(sgpd_entries);
2542 static int mov_write_stbl_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2544 int64_t pos = avio_tell(pb);
2547 avio_wb32(pb, 0); /* size */
2548 ffio_wfourcc(pb, "stbl");
2549 if ((ret = mov_write_stsd_tag(s, pb, mov, track)) < 0)
2551 mov_write_stts_tag(pb, track);
2552 if ((track->par->codec_type == AVMEDIA_TYPE_VIDEO ||
2553 track->par->codec_id == AV_CODEC_ID_TRUEHD ||
2554 track->par->codec_id == AV_CODEC_ID_MPEGH_3D_AUDIO ||
2555 track->par->codec_tag == MKTAG('r','t','p',' ')) &&
2556 track->has_keyframes && track->has_keyframes < track->entry)
2557 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
2558 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO && track->has_disposable)
2559 mov_write_sdtp_tag(pb, track);
2560 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
2561 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
2562 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO &&
2563 track->flags & MOV_TRACK_CTTS && track->entry) {
2565 if ((ret = mov_write_ctts_tag(s, pb, track)) < 0)
2568 mov_write_stsc_tag(pb, track);
2569 mov_write_stsz_tag(pb, track);
2570 mov_write_stco_tag(pb, track);
2571 if (track->cenc.aes_ctr) {
2572 ff_mov_cenc_write_stbl_atoms(&track->cenc, pb);
2574 if (track->par->codec_id == AV_CODEC_ID_OPUS || track->par->codec_id == AV_CODEC_ID_AAC) {
2575 mov_preroll_write_stbl_atoms(pb, track);
2577 return update_size(pb, pos);
2580 static int mov_write_dinf_tag(AVIOContext *pb)
2582 int64_t pos = avio_tell(pb);
2583 avio_wb32(pb, 0); /* size */
2584 ffio_wfourcc(pb, "dinf");
2585 mov_write_dref_tag(pb);
2586 return update_size(pb, pos);
2589 static int mov_write_nmhd_tag(AVIOContext *pb)
2592 ffio_wfourcc(pb, "nmhd");
2597 static int mov_write_tcmi_tag(AVIOContext *pb, MOVTrack *track)
2599 int64_t pos = avio_tell(pb);
2600 const char *font = "Lucida Grande";
2601 avio_wb32(pb, 0); /* size */
2602 ffio_wfourcc(pb, "tcmi"); /* timecode media information atom */
2603 avio_wb32(pb, 0); /* version & flags */
2604 avio_wb16(pb, 0); /* text font */
2605 avio_wb16(pb, 0); /* text face */
2606 avio_wb16(pb, 12); /* text size */
2607 avio_wb16(pb, 0); /* (unknown, not in the QT specs...) */
2608 avio_wb16(pb, 0x0000); /* text color (red) */
2609 avio_wb16(pb, 0x0000); /* text color (green) */
2610 avio_wb16(pb, 0x0000); /* text color (blue) */
2611 avio_wb16(pb, 0xffff); /* background color (red) */
2612 avio_wb16(pb, 0xffff); /* background color (green) */
2613 avio_wb16(pb, 0xffff); /* background color (blue) */
2614 avio_w8(pb, strlen(font)); /* font len (part of the pascal string) */
2615 avio_write(pb, font, strlen(font)); /* font name */
2616 return update_size(pb, pos);
2619 static int mov_write_gmhd_tag(AVIOContext *pb, MOVTrack *track)
2621 int64_t pos = avio_tell(pb);
2622 avio_wb32(pb, 0); /* size */
2623 ffio_wfourcc(pb, "gmhd");
2624 avio_wb32(pb, 0x18); /* gmin size */
2625 ffio_wfourcc(pb, "gmin");/* generic media info */
2626 avio_wb32(pb, 0); /* version & flags */
2627 avio_wb16(pb, 0x40); /* graphics mode = */
2628 avio_wb16(pb, 0x8000); /* opColor (r?) */
2629 avio_wb16(pb, 0x8000); /* opColor (g?) */
2630 avio_wb16(pb, 0x8000); /* opColor (b?) */
2631 avio_wb16(pb, 0); /* balance */
2632 avio_wb16(pb, 0); /* reserved */
2635 * This special text atom is required for
2636 * Apple Quicktime chapters. The contents
2637 * don't appear to be documented, so the
2638 * bytes are copied verbatim.
2640 if (track->tag != MKTAG('c','6','0','8')) {
2641 avio_wb32(pb, 0x2C); /* size */
2642 ffio_wfourcc(pb, "text");
2643 avio_wb16(pb, 0x01);
2644 avio_wb32(pb, 0x00);
2645 avio_wb32(pb, 0x00);
2646 avio_wb32(pb, 0x00);
2647 avio_wb32(pb, 0x01);
2648 avio_wb32(pb, 0x00);
2649 avio_wb32(pb, 0x00);
2650 avio_wb32(pb, 0x00);
2651 avio_wb32(pb, 0x00004000);
2652 avio_wb16(pb, 0x0000);
2655 if (track->par->codec_tag == MKTAG('t','m','c','d')) {
2656 int64_t tmcd_pos = avio_tell(pb);
2657 avio_wb32(pb, 0); /* size */
2658 ffio_wfourcc(pb, "tmcd");
2659 mov_write_tcmi_tag(pb, track);
2660 update_size(pb, tmcd_pos);
2661 } else if (track->par->codec_tag == MKTAG('g','p','m','d')) {
2662 int64_t gpmd_pos = avio_tell(pb);
2663 avio_wb32(pb, 0); /* size */
2664 ffio_wfourcc(pb, "gpmd");
2665 avio_wb32(pb, 0); /* version */
2666 update_size(pb, gpmd_pos);
2668 return update_size(pb, pos);
2671 static int mov_write_smhd_tag(AVIOContext *pb)
2673 avio_wb32(pb, 16); /* size */
2674 ffio_wfourcc(pb, "smhd");
2675 avio_wb32(pb, 0); /* version & flags */
2676 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
2677 avio_wb16(pb, 0); /* reserved */
2681 static int mov_write_vmhd_tag(AVIOContext *pb)
2683 avio_wb32(pb, 0x14); /* size (always 0x14) */
2684 ffio_wfourcc(pb, "vmhd");
2685 avio_wb32(pb, 0x01); /* version & flags */
2686 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
2690 static int is_clcp_track(MOVTrack *track)
2692 return track->tag == MKTAG('c','7','0','8') ||
2693 track->tag == MKTAG('c','6','0','8');
2696 static int mov_write_hdlr_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
2698 MOVMuxContext *mov = s->priv_data;
2699 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
2700 int64_t pos = avio_tell(pb);
2704 descr = "DataHandler";
2707 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
2708 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
2710 descr = "VideoHandler";
2711 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
2713 descr = "SoundHandler";
2714 } else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2715 if (is_clcp_track(track)) {
2717 descr = "ClosedCaptionHandler";
2719 if (track->tag == MKTAG('t','x','3','g')) {
2721 } else if (track->tag == MKTAG('m','p','4','s')) {
2726 descr = "SubtitleHandler";
2728 } else if (track->par->codec_tag == MKTAG('r','t','p',' ')) {
2730 descr = "HintHandler";
2731 } else if (track->par->codec_tag == MKTAG('t','m','c','d')) {
2733 descr = "TimeCodeHandler";
2734 } else if (track->par->codec_tag == MKTAG('g','p','m','d')) {
2736 descr = "GoPro MET"; // GoPro Metadata
2738 av_log(s, AV_LOG_WARNING,
2739 "Unknown hldr_type for %s, writing dummy values\n",
2740 av_fourcc2str(track->par->codec_tag));
2743 // hdlr.name is used by some players to identify the content title
2744 // of the track. So if an alternate handler description is
2745 // specified, use it.
2746 AVDictionaryEntry *t;
2747 t = av_dict_get(track->st->metadata, "handler_name", NULL, 0);
2748 if (t && utf8len(t->value))
2753 if (mov->empty_hdlr_name) /* expressly allowed by QTFF and not prohibited in ISO 14496-12 8.4.3.3 */
2756 avio_wb32(pb, 0); /* size */
2757 ffio_wfourcc(pb, "hdlr");
2758 avio_wb32(pb, 0); /* Version & flags */
2759 avio_write(pb, hdlr, 4); /* handler */
2760 ffio_wfourcc(pb, hdlr_type); /* handler type */
2761 avio_wb32(pb, 0); /* reserved */
2762 avio_wb32(pb, 0); /* reserved */
2763 avio_wb32(pb, 0); /* reserved */
2764 if (!track || track->mode == MODE_MOV)
2765 avio_w8(pb, strlen(descr)); /* pascal string */
2766 avio_write(pb, descr, strlen(descr)); /* handler description */
2767 if (track && track->mode != MODE_MOV)
2768 avio_w8(pb, 0); /* c string */
2769 return update_size(pb, pos);
2772 static int mov_write_hmhd_tag(AVIOContext *pb)
2774 /* This atom must be present, but leaving the values at zero
2775 * seems harmless. */
2776 avio_wb32(pb, 28); /* size */
2777 ffio_wfourcc(pb, "hmhd");
2778 avio_wb32(pb, 0); /* version, flags */
2779 avio_wb16(pb, 0); /* maxPDUsize */
2780 avio_wb16(pb, 0); /* avgPDUsize */
2781 avio_wb32(pb, 0); /* maxbitrate */
2782 avio_wb32(pb, 0); /* avgbitrate */
2783 avio_wb32(pb, 0); /* reserved */
2787 static int mov_write_minf_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2789 int64_t pos = avio_tell(pb);
2792 avio_wb32(pb, 0); /* size */
2793 ffio_wfourcc(pb, "minf");
2794 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO)
2795 mov_write_vmhd_tag(pb);
2796 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2797 mov_write_smhd_tag(pb);
2798 else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2799 if (track->tag == MKTAG('t','e','x','t') || is_clcp_track(track)) {
2800 mov_write_gmhd_tag(pb, track);
2802 mov_write_nmhd_tag(pb);
2804 } else if (track->tag == MKTAG('r','t','p',' ')) {
2805 mov_write_hmhd_tag(pb);
2806 } else if (track->tag == MKTAG('t','m','c','d')) {
2807 if (track->mode != MODE_MOV)
2808 mov_write_nmhd_tag(pb);
2810 mov_write_gmhd_tag(pb, track);
2811 } else if (track->tag == MKTAG('g','p','m','d')) {
2812 mov_write_gmhd_tag(pb, track);
2814 if (track->mode == MODE_MOV) /* ISO 14496-12 8.4.3.1 specifies hdlr only within mdia or meta boxes */
2815 mov_write_hdlr_tag(s, pb, NULL);
2816 mov_write_dinf_tag(pb);
2817 if ((ret = mov_write_stbl_tag(s, pb, mov, track)) < 0)
2819 return update_size(pb, pos);
2822 static int64_t calc_pts_duration(MOVMuxContext *mov, MOVTrack *track)
2824 if (track->tag == MKTAG('t','m','c','d')) {
2825 // tmcd tracks gets track_duration set in mov_write_moov_tag from
2826 // another track's duration, while the end_pts may be left at zero.
2827 // Calculate the pts duration for that track instead.
2828 return av_rescale(calc_pts_duration(mov, &mov->tracks[track->src_track]),
2829 track->timescale, mov->tracks[track->src_track].timescale);
2831 if (track->end_pts != AV_NOPTS_VALUE &&
2832 track->start_dts != AV_NOPTS_VALUE &&
2833 track->start_cts != AV_NOPTS_VALUE) {
2834 return track->end_pts - (track->start_dts + track->start_cts);
2836 return track->track_duration;
2839 static int mov_write_mdhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2842 int64_t duration = calc_pts_duration(mov, track);
2843 int version = duration < INT32_MAX ? 0 : 1;
2845 if (track->mode == MODE_ISM)
2848 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
2849 ffio_wfourcc(pb, "mdhd");
2850 avio_w8(pb, version);
2851 avio_wb24(pb, 0); /* flags */
2853 avio_wb64(pb, track->time);
2854 avio_wb64(pb, track->time);
2856 avio_wb32(pb, track->time); /* creation time */
2857 avio_wb32(pb, track->time); /* modification time */
2859 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
2860 if (!track->entry && mov->mode == MODE_ISM)
2861 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2862 else if (!track->entry)
2863 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2865 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration); /* duration */
2866 avio_wb16(pb, track->language); /* language */
2867 avio_wb16(pb, 0); /* reserved (quality) */
2869 if (version != 0 && track->mode == MODE_MOV) {
2870 av_log(NULL, AV_LOG_ERROR,
2871 "FATAL error, file duration too long for timebase, this file will not be\n"
2872 "playable with QuickTime. Choose a different timebase with "
2873 "-video_track_timescale or a different container format\n");
2879 static int mov_write_mdia_tag(AVFormatContext *s, AVIOContext *pb,
2880 MOVMuxContext *mov, MOVTrack *track)
2882 int64_t pos = avio_tell(pb);
2885 avio_wb32(pb, 0); /* size */
2886 ffio_wfourcc(pb, "mdia");
2887 mov_write_mdhd_tag(pb, mov, track);
2888 mov_write_hdlr_tag(s, pb, track);
2889 if ((ret = mov_write_minf_tag(s, pb, mov, track)) < 0)
2891 return update_size(pb, pos);
2894 /* transformation matrix
2898 static void write_matrix(AVIOContext *pb, int16_t a, int16_t b, int16_t c,
2899 int16_t d, int16_t tx, int16_t ty)
2901 avio_wb32(pb, a << 16); /* 16.16 format */
2902 avio_wb32(pb, b << 16); /* 16.16 format */
2903 avio_wb32(pb, 0); /* u in 2.30 format */
2904 avio_wb32(pb, c << 16); /* 16.16 format */
2905 avio_wb32(pb, d << 16); /* 16.16 format */
2906 avio_wb32(pb, 0); /* v in 2.30 format */
2907 avio_wb32(pb, tx << 16); /* 16.16 format */
2908 avio_wb32(pb, ty << 16); /* 16.16 format */
2909 avio_wb32(pb, 1 << 30); /* w in 2.30 format */
2912 static int mov_write_tkhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2913 MOVTrack *track, AVStream *st)
2915 int64_t duration = av_rescale_rnd(calc_pts_duration(mov, track),
2916 MOV_TIMESCALE, track->timescale,
2918 int version = duration < INT32_MAX ? 0 : 1;
2919 int flags = MOV_TKHD_FLAG_IN_MOVIE;
2923 uint32_t *display_matrix = NULL;
2924 int display_matrix_size, i;
2927 if (mov->per_stream_grouping)
2930 group = st->codecpar->codec_type;
2932 display_matrix = (uint32_t*)av_stream_get_side_data(st, AV_PKT_DATA_DISPLAYMATRIX,
2933 &display_matrix_size);
2934 if (display_matrix && display_matrix_size < 9 * sizeof(*display_matrix))
2935 display_matrix = NULL;
2938 if (track->flags & MOV_TRACK_ENABLED)
2939 flags |= MOV_TKHD_FLAG_ENABLED;
2941 if (track->mode == MODE_ISM)
2944 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
2945 ffio_wfourcc(pb, "tkhd");
2946 avio_w8(pb, version);
2947 avio_wb24(pb, flags);
2949 avio_wb64(pb, track->time);
2950 avio_wb64(pb, track->time);
2952 avio_wb32(pb, track->time); /* creation time */
2953 avio_wb32(pb, track->time); /* modification time */
2955 avio_wb32(pb, track->track_id); /* track-id */
2956 avio_wb32(pb, 0); /* reserved */
2957 if (!track->entry && mov->mode == MODE_ISM)
2958 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2959 else if (!track->entry)
2960 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2962 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
2964 avio_wb32(pb, 0); /* reserved */
2965 avio_wb32(pb, 0); /* reserved */
2966 avio_wb16(pb, 0); /* layer */
2967 avio_wb16(pb, group); /* alternate group) */
2968 /* Volume, only for audio */
2969 if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2970 avio_wb16(pb, 0x0100);
2973 avio_wb16(pb, 0); /* reserved */
2975 /* Matrix structure */
2976 #if FF_API_OLD_ROTATE_API
2977 if (st && st->metadata) {
2978 AVDictionaryEntry *rot = av_dict_get(st->metadata, "rotate", NULL, 0);
2979 rotation = (rot && rot->value) ? atoi(rot->value) : 0;
2982 if (display_matrix) {
2983 for (i = 0; i < 9; i++)
2984 avio_wb32(pb, display_matrix[i]);
2985 #if FF_API_OLD_ROTATE_API
2986 } else if (rotation == 90) {
2987 write_matrix(pb, 0, 1, -1, 0, track->par->height, 0);
2988 } else if (rotation == 180) {
2989 write_matrix(pb, -1, 0, 0, -1, track->par->width, track->par->height);
2990 } else if (rotation == 270) {
2991 write_matrix(pb, 0, -1, 1, 0, 0, track->par->width);
2994 write_matrix(pb, 1, 0, 0, 1, 0, 0);
2996 /* Track width and height, for visual only */
2997 if (st && (track->par->codec_type == AVMEDIA_TYPE_VIDEO ||
2998 track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
2999 int64_t track_width_1616;
3000 if (track->mode == MODE_MOV) {
3001 track_width_1616 = track->par->width * 0x10000ULL;
3003 track_width_1616 = av_rescale(st->sample_aspect_ratio.num,
3004 track->par->width * 0x10000LL,
3005 st->sample_aspect_ratio.den);
3006 if (!track_width_1616 ||
3007 track->height != track->par->height ||
3008 track_width_1616 > UINT32_MAX)
3009 track_width_1616 = track->par->width * 0x10000ULL;
3011 if (track_width_1616 > UINT32_MAX) {
3012 av_log(mov->fc, AV_LOG_WARNING, "track width is too large\n");
3013 track_width_1616 = 0;
3015 avio_wb32(pb, track_width_1616);
3016 if (track->height > 0xFFFF) {
3017 av_log(mov->fc, AV_LOG_WARNING, "track height is too large\n");
3020 avio_wb32(pb, track->height * 0x10000U);
3028 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
3030 int32_t width = av_rescale(track->par->sample_aspect_ratio.num, track->par->width,
3031 track->par->sample_aspect_ratio.den);
3033 int64_t pos = avio_tell(pb);
3035 avio_wb32(pb, 0); /* size */
3036 ffio_wfourcc(pb, "tapt");
3039 ffio_wfourcc(pb, "clef");
3041 avio_wb32(pb, width << 16);
3042 avio_wb32(pb, track->par->height << 16);
3045 ffio_wfourcc(pb, "prof");
3047 avio_wb32(pb, width << 16);
3048 avio_wb32(pb, track->par->height << 16);
3051 ffio_wfourcc(pb, "enof");
3053 avio_wb32(pb, track->par->width << 16);
3054 avio_wb32(pb, track->par->height << 16);
3056 return update_size(pb, pos);
3059 // This box seems important for the psp playback ... without it the movie seems to hang
3060 static int mov_write_edts_tag(AVIOContext *pb, MOVMuxContext *mov,
3063 int64_t duration = av_rescale_rnd(calc_pts_duration(mov, track),
3064 MOV_TIMESCALE, track->timescale,
3066 int version = duration < INT32_MAX ? 0 : 1;
3067 int entry_size, entry_count, size;
3068 int64_t delay, start_ct = track->start_cts;
3069 int64_t start_dts = track->start_dts;
3072 if (start_dts != track->cluster[0].dts || start_ct != track->cluster[0].cts) {
3074 av_log(mov->fc, AV_LOG_DEBUG,
3075 "EDTS using dts:%"PRId64" cts:%d instead of dts:%"PRId64" cts:%"PRId64" tid:%d\n",
3076 track->cluster[0].dts, track->cluster[0].cts,
3077 start_dts, start_ct, track->track_id);
3078 start_dts = track->cluster[0].dts;
3079 start_ct = track->cluster[0].cts;
3083 delay = av_rescale_rnd(start_dts + start_ct, MOV_TIMESCALE,
3084 track->timescale, AV_ROUND_DOWN);
3085 version |= delay < INT32_MAX ? 0 : 1;
3087 entry_size = (version == 1) ? 20 : 12;
3088 entry_count = 1 + (delay > 0);
3089 size = 24 + entry_count * entry_size;
3091 /* write the atom data */
3092 avio_wb32(pb, size);
3093 ffio_wfourcc(pb, "edts");
3094 avio_wb32(pb, size - 8);
3095 ffio_wfourcc(pb, "elst");
3096 avio_w8(pb, version);
3097 avio_wb24(pb, 0); /* flags */
3099 avio_wb32(pb, entry_count);
3100 if (delay > 0) { /* add an empty edit to delay presentation */
3101 /* In the positive delay case, the delay includes the cts
3102 * offset, and the second edit list entry below trims out
3103 * the same amount from the actual content. This makes sure
3104 * that the offset last sample is included in the edit
3105 * list duration as well. */
3107 avio_wb64(pb, delay);
3110 avio_wb32(pb, delay);
3113 avio_wb32(pb, 0x00010000);
3115 /* Avoid accidentally ending up with start_ct = -1 which has got a
3116 * special meaning. Normally start_ct should end up positive or zero
3117 * here, but use FFMIN in case dts is a small positive integer
3118 * rounded to 0 when represented in MOV_TIMESCALE units. */
3119 av_assert0(av_rescale_rnd(start_dts, MOV_TIMESCALE, track->timescale, AV_ROUND_DOWN) <= 0);
3120 start_ct = -FFMIN(start_dts, 0);
3121 /* Note, this delay is calculated from the pts of the first sample,
3122 * ensuring that we don't reduce the duration for cases with
3127 /* For fragmented files, we don't know the full length yet. Setting
3128 * duration to 0 allows us to only specify the offset, including
3129 * the rest of the content (from all future fragments) without specifying
3130 * an explicit duration. */
3131 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
3136 avio_wb64(pb, duration);
3137 avio_wb64(pb, start_ct);
3139 avio_wb32(pb, duration);
3140 avio_wb32(pb, start_ct);
3142 avio_wb32(pb, 0x00010000);
3146 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
3148 avio_wb32(pb, 20); // size
3149 ffio_wfourcc(pb, "tref");
3150 avio_wb32(pb, 12); // size (subatom)
3151 avio_wl32(pb, track->tref_tag);
3152 avio_wb32(pb, track->tref_id);
3156 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
3157 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
3159 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
3160 ffio_wfourcc(pb, "uuid");
3161 ffio_wfourcc(pb, "USMT");
3162 avio_wb32(pb, 0x21d24fce);
3163 avio_wb32(pb, 0xbb88695c);
3164 avio_wb32(pb, 0xfac9c740);
3165 avio_wb32(pb, 0x1c); // another size here!
3166 ffio_wfourcc(pb, "MTDT");
3167 avio_wb32(pb, 0x00010012);
3168 avio_wb32(pb, 0x0a);
3169 avio_wb32(pb, 0x55c40000);
3175 static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
3177 AVFormatContext *ctx = track->rtp_ctx;
3178 char buf[1000] = "";
3181 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
3182 NULL, NULL, 0, 0, ctx);
3183 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
3186 avio_wb32(pb, len + 24);
3187 ffio_wfourcc(pb, "udta");
3188 avio_wb32(pb, len + 16);
3189 ffio_wfourcc(pb, "hnti");
3190 avio_wb32(pb, len + 8);
3191 ffio_wfourcc(pb, "sdp ");
3192 avio_write(pb, buf, len);
3196 static int mov_write_track_metadata(AVIOContext *pb, AVStream *st,
3197 const char *tag, const char *str)
3199 int64_t pos = avio_tell(pb);
3200 AVDictionaryEntry *t = av_dict_get(st->metadata, str, NULL, 0);
3201 if (!t || !utf8len(t->value))
3204 avio_wb32(pb, 0); /* size */
3205 ffio_wfourcc(pb, tag); /* type */
3206 avio_write(pb, t->value, strlen(t->value)); /* UTF8 string value */
3207 return update_size(pb, pos);
3210 static int mov_write_track_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
3213 AVIOContext *pb_buf;
3220 ret = avio_open_dyn_buf(&pb_buf);
3224 if (mov->mode & (MODE_MP4|MODE_MOV))
3225 mov_write_track_metadata(pb_buf, st, "name", "title");
3227 if ((size = avio_get_dyn_buf(pb_buf, &buf)) > 0) {
3228 avio_wb32(pb, size + 8);
3229 ffio_wfourcc(pb, "udta");
3230 avio_write(pb, buf, size);
3232 ffio_free_dyn_buf(&pb_buf);
3237 static int mov_write_trak_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov,
3238 MOVTrack *track, AVStream *st)
3240 int64_t pos = avio_tell(pb);
3241 int entry_backup = track->entry;
3242 int chunk_backup = track->chunkCount;
3245 /* If we want to have an empty moov, but some samples already have been
3246 * buffered (delay_moov), pretend that no samples have been written yet. */
3247 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV)
3248 track->chunkCount = track->entry = 0;
3250 avio_wb32(pb, 0); /* size */
3251 ffio_wfourcc(pb, "trak");
3252 mov_write_tkhd_tag(pb, mov, track, st);
3254 av_assert2(mov->use_editlist >= 0);
3256 if (track->start_dts != AV_NOPTS_VALUE) {
3257 if (mov->use_editlist)
3258 mov_write_edts_tag(pb, mov, track); // PSP Movies and several other cases require edts box
3259 else if ((track->entry && track->cluster[0].dts) || track->mode == MODE_PSP || is_clcp_track(track))
3260 av_log(mov->fc, AV_LOG_WARNING,
3261 "Not writing any edit list even though one would have been required\n");
3264 if (track->tref_tag)
3265 mov_write_tref_tag(pb, track);
3267 if ((ret = mov_write_mdia_tag(s, pb, mov, track)) < 0)
3269 if (track->mode == MODE_PSP)
3270 mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box
3271 if (track->tag == MKTAG('r','t','p',' '))
3272 mov_write_udta_sdp(pb, track);
3273 if (track->mode == MODE_MOV) {
3274 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
3275 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
3276 if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio) {
3277 mov_write_tapt_tag(pb, track);
3280 if (is_clcp_track(track) && st->sample_aspect_ratio.num) {
3281 mov_write_tapt_tag(pb, track);
3284 mov_write_track_udta_tag(pb, mov, st);
3285 track->entry = entry_backup;
3286 track->chunkCount = chunk_backup;
3287 return update_size(pb, pos);
3290 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
3292 int i, has_audio = 0, has_video = 0;
3293 int64_t pos = avio_tell(pb);
3294 int audio_profile = mov->iods_audio_profile;
3295 int video_profile = mov->iods_video_profile;
3296 for (i = 0; i < mov->nb_streams; i++) {
3297 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3298 has_audio |= mov->tracks[i].par->codec_type == AVMEDIA_TYPE_AUDIO;
3299 has_video |= mov->tracks[i].par->codec_type == AVMEDIA_TYPE_VIDEO;
3302 if (audio_profile < 0)
3303 audio_profile = 0xFF - has_audio;
3304 if (video_profile < 0)
3305 video_profile = 0xFF - has_video;
3306 avio_wb32(pb, 0x0); /* size */
3307 ffio_wfourcc(pb, "iods");
3308 avio_wb32(pb, 0); /* version & flags */
3309 put_descr(pb, 0x10, 7);
3310 avio_wb16(pb, 0x004f);
3313 avio_w8(pb, audio_profile);
3314 avio_w8(pb, video_profile);
3316 return update_size(pb, pos);
3319 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
3321 avio_wb32(pb, 0x20); /* size */
3322 ffio_wfourcc(pb, "trex");
3323 avio_wb32(pb, 0); /* version & flags */
3324 avio_wb32(pb, track->track_id); /* track ID */
3325 avio_wb32(pb, 1); /* default sample description index */
3326 avio_wb32(pb, 0); /* default sample duration */
3327 avio_wb32(pb, 0); /* default sample size */
3328 avio_wb32(pb, 0); /* default sample flags */
3332 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
3334 int64_t pos = avio_tell(pb);
3336 avio_wb32(pb, 0x0); /* size */
3337 ffio_wfourcc(pb, "mvex");
3338 for (i = 0; i < mov->nb_streams; i++)
3339 mov_write_trex_tag(pb, &mov->tracks[i]);
3340 return update_size(pb, pos);
3343 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
3345 int max_track_id = 1, i;
3346 int64_t max_track_len = 0;
3349 for (i = 0; i < mov->nb_streams; i++) {
3350 if (mov->tracks[i].entry > 0 && mov->tracks[i].timescale) {
3351 int64_t max_track_len_temp = av_rescale_rnd(
3352 calc_pts_duration(mov, &mov->tracks[i]),
3354 mov->tracks[i].timescale,
3356 if (max_track_len < max_track_len_temp)
3357 max_track_len = max_track_len_temp;
3358 if (max_track_id < mov->tracks[i].track_id)
3359 max_track_id = mov->tracks[i].track_id;
3362 /* If using delay_moov, make sure the output is the same as if no
3363 * samples had been written yet. */
3364 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3369 version = max_track_len < UINT32_MAX ? 0 : 1;
3370 avio_wb32(pb, version == 1 ? 120 : 108); /* size */
3372 ffio_wfourcc(pb, "mvhd");
3373 avio_w8(pb, version);
3374 avio_wb24(pb, 0); /* flags */
3376 avio_wb64(pb, mov->time);
3377 avio_wb64(pb, mov->time);
3379 avio_wb32(pb, mov->time); /* creation time */
3380 avio_wb32(pb, mov->time); /* modification time */
3382 avio_wb32(pb, MOV_TIMESCALE);
3383 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
3385 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
3386 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
3387 avio_wb16(pb, 0); /* reserved */
3388 avio_wb32(pb, 0); /* reserved */
3389 avio_wb32(pb, 0); /* reserved */
3391 /* Matrix structure */
3392 write_matrix(pb, 1, 0, 0, 1, 0, 0);
3394 avio_wb32(pb, 0); /* reserved (preview time) */
3395 avio_wb32(pb, 0); /* reserved (preview duration) */
3396 avio_wb32(pb, 0); /* reserved (poster time) */
3397 avio_wb32(pb, 0); /* reserved (selection time) */
3398 avio_wb32(pb, 0); /* reserved (selection duration) */
3399 avio_wb32(pb, 0); /* reserved (current time) */
3400 avio_wb32(pb, max_track_id + 1); /* Next track id */
3404 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
3407 avio_wb32(pb, 33); /* size */
3408 ffio_wfourcc(pb, "hdlr");
3411 ffio_wfourcc(pb, "mdir");
3412 ffio_wfourcc(pb, "appl");
3419 /* helper function to write a data tag with the specified string as data */
3420 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
3423 int size = 16 + strlen(data);
3424 avio_wb32(pb, size); /* size */
3425 ffio_wfourcc(pb, "data");
3428 avio_write(pb, data, strlen(data));
3432 lang = ff_mov_iso639_to_lang("und", 1);
3433 avio_wb16(pb, strlen(data)); /* string length */
3434 avio_wb16(pb, lang);
3435 avio_write(pb, data, strlen(data));
3436 return strlen(data) + 4;
3440 static int mov_write_string_tag(AVIOContext *pb, const char *name,
3441 const char *value, int lang, int long_style)
3444 if (value && value[0]) {
3445 int64_t pos = avio_tell(pb);
3446 avio_wb32(pb, 0); /* size */
3447 ffio_wfourcc(pb, name);
3448 mov_write_string_data_tag(pb, value, lang, long_style);
3449 size = update_size(pb, pos);
3454 static AVDictionaryEntry *get_metadata_lang(AVFormatContext *s,
3455 const char *tag, int *lang)
3458 AVDictionaryEntry *t, *t2 = NULL;
3463 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
3466 len = strlen(t->key);
3467 snprintf(tag2, sizeof(tag2), "%s-", tag);
3468 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
3469 len2 = strlen(t2->key);
3470 if (len2 == len + 4 && !strcmp(t->value, t2->value)
3471 && (l = ff_mov_iso639_to_lang(&t2->key[len2 - 3], 1)) >= 0) {
3479 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
3480 const char *name, const char *tag,
3484 AVDictionaryEntry *t = get_metadata_lang(s, tag, &lang);
3487 return mov_write_string_tag(pb, name, t->value, lang, long_style);
3490 /* iTunes bpm number */
3491 static int mov_write_tmpo_tag(AVIOContext *pb, AVFormatContext *s)
3493 AVDictionaryEntry *t = av_dict_get(s->metadata, "tmpo", NULL, 0);
3494 int size = 0, tmpo = t ? atoi(t->value) : 0;
3497 avio_wb32(pb, size);
3498 ffio_wfourcc(pb, "tmpo");
3499 avio_wb32(pb, size-8); /* size */
3500 ffio_wfourcc(pb, "data");
3501 avio_wb32(pb, 0x15); //type specifier
3503 avio_wb16(pb, tmpo); // data
3508 /* 3GPP TS 26.244 */
3509 static int mov_write_loci_tag(AVFormatContext *s, AVIOContext *pb)
3512 int64_t pos = avio_tell(pb);
3513 double latitude, longitude, altitude;
3514 int32_t latitude_fix, longitude_fix, altitude_fix;
3515 AVDictionaryEntry *t = get_metadata_lang(s, "location", &lang);
3516 const char *ptr, *place = "";
3518 static const char *astronomical_body = "earth";
3523 longitude = strtod(ptr, &end);
3525 av_log(s, AV_LOG_WARNING, "malformed location metadata\n");
3529 latitude = strtod(ptr, &end);
3531 av_log(s, AV_LOG_WARNING, "malformed location metadata\n");
3535 altitude = strtod(ptr, &end);
3536 /* If no altitude was present, the default 0 should be fine */
3540 latitude_fix = (int32_t) ((1 << 16) * latitude);
3541 longitude_fix = (int32_t) ((1 << 16) * longitude);
3542 altitude_fix = (int32_t) ((1 << 16) * altitude);
3544 avio_wb32(pb, 0); /* size */
3545 ffio_wfourcc(pb, "loci"); /* type */
3546 avio_wb32(pb, 0); /* version + flags */
3547 avio_wb16(pb, lang);
3548 avio_write(pb, place, strlen(place) + 1);
3549 avio_w8(pb, 0); /* role of place (0 == shooting location, 1 == real location, 2 == fictional location) */
3550 avio_wb32(pb, latitude_fix);
3551 avio_wb32(pb, longitude_fix);
3552 avio_wb32(pb, altitude_fix);
3553 avio_write(pb, astronomical_body, strlen(astronomical_body) + 1);
3554 avio_w8(pb, 0); /* additional notes, null terminated string */
3556 return update_size(pb, pos);
3559 /* iTunes track or disc number */
3560 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
3561 AVFormatContext *s, int disc)
3563 AVDictionaryEntry *t = av_dict_get(s->metadata,
3564 disc ? "disc" : "track",
3566 int size = 0, track = t ? atoi(t->value) : 0;
3569 char *slash = strchr(t->value, '/');
3571 tracks = atoi(slash + 1);
3572 avio_wb32(pb, 32); /* size */
3573 ffio_wfourcc(pb, disc ? "disk" : "trkn");
3574 avio_wb32(pb, 24); /* size */
3575 ffio_wfourcc(pb, "data");
3576 avio_wb32(pb, 0); // 8 bytes empty
3578 avio_wb16(pb, 0); // empty
3579 avio_wb16(pb, track); // track / disc number
3580 avio_wb16(pb, tracks); // total track / disc number
3581 avio_wb16(pb, 0); // empty
3587 static int mov_write_int8_metadata(AVFormatContext *s, AVIOContext *pb,
3588 const char *name, const char *tag,
3591 AVDictionaryEntry *t = NULL;
3593 int size = 24 + len;
3595 if (len != 1 && len != 4)
3598 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
3600 num = atoi(t->value);
3602 avio_wb32(pb, size);
3603 ffio_wfourcc(pb, name);
3604 avio_wb32(pb, size - 8);
3605 ffio_wfourcc(pb, "data");
3606 avio_wb32(pb, 0x15);
3608 if (len==4) avio_wb32(pb, num);
3609 else avio_w8 (pb, num);
3614 static int mov_write_covr(AVIOContext *pb, AVFormatContext *s)
3616 MOVMuxContext *mov = s->priv_data;
3620 for (i = 0; i < s->nb_streams; i++) {
3621 MOVTrack *trk = &mov->tracks[i];
3623 if (!is_cover_image(trk->st) || trk->cover_image.size <= 0)
3627 pos = avio_tell(pb);
3629 ffio_wfourcc(pb, "covr");
3631 avio_wb32(pb, 16 + trk->cover_image.size);
3632 ffio_wfourcc(pb, "data");
3633 avio_wb32(pb, trk->tag);
3635 avio_write(pb, trk->cover_image.data, trk->cover_image.size);
3638 return pos ? update_size(pb, pos) : 0;
3641 /* iTunes meta data list */
3642 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
3645 int64_t pos = avio_tell(pb);
3646 avio_wb32(pb, 0); /* size */
3647 ffio_wfourcc(pb, "ilst");
3648 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
3649 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
3650 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
3651 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
3652 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
3653 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
3654 if (!mov_write_string_metadata(s, pb, "\251too", "encoding_tool", 1)) {
3655 if (!(s->flags & AVFMT_FLAG_BITEXACT))
3656 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
3658 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
3659 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
3660 mov_write_string_metadata(s, pb, "cprt", "copyright", 1);
3661 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
3662 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
3663 mov_write_string_metadata(s, pb, "desc", "description",1);
3664 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
3665 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
3666 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
3667 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
3668 mov_write_string_metadata(s, pb, "keyw", "keywords" , 1);
3669 mov_write_int8_metadata (s, pb, "tves", "episode_sort",4);
3670 mov_write_int8_metadata (s, pb, "tvsn", "season_number",4);
3671 mov_write_int8_metadata (s, pb, "stik", "media_type",1);
3672 mov_write_int8_metadata (s, pb, "hdvd", "hd_video", 1);
3673 mov_write_int8_metadata (s, pb, "pgap", "gapless_playback",1);
3674 mov_write_int8_metadata (s, pb, "cpil", "compilation", 1);
3675 mov_write_covr(pb, s);
3676 mov_write_trkn_tag(pb, mov, s, 0); // track number
3677 mov_write_trkn_tag(pb, mov, s, 1); // disc number
3678 mov_write_tmpo_tag(pb, s);
3679 return update_size(pb, pos);
3682 static int mov_write_mdta_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
3685 avio_wb32(pb, 33); /* size */
3686 ffio_wfourcc(pb, "hdlr");
3689 ffio_wfourcc(pb, "mdta");
3697 static int mov_write_mdta_keys_tag(AVIOContext *pb, MOVMuxContext *mov,
3700 AVDictionaryEntry *t = NULL;
3701 int64_t pos = avio_tell(pb);
3702 int64_t curpos, entry_pos;
3705 avio_wb32(pb, 0); /* size */
3706 ffio_wfourcc(pb, "keys");
3708 entry_pos = avio_tell(pb);
3709 avio_wb32(pb, 0); /* entry count */
3711 while (t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX)) {
3712 avio_wb32(pb, strlen(t->key) + 8);
3713 ffio_wfourcc(pb, "mdta");
3714 avio_write(pb, t->key, strlen(t->key));
3717 curpos = avio_tell(pb);
3718 avio_seek(pb, entry_pos, SEEK_SET);
3719 avio_wb32(pb, count); // rewrite entry count
3720 avio_seek(pb, curpos, SEEK_SET);
3722 return update_size(pb, pos);
3725 static int mov_write_mdta_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
3728 AVDictionaryEntry *t = NULL;
3729 int64_t pos = avio_tell(pb);
3730 int count = 1; /* keys are 1-index based */
3732 avio_wb32(pb, 0); /* size */
3733 ffio_wfourcc(pb, "ilst");
3735 while (t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX)) {
3736 int64_t entry_pos = avio_tell(pb);
3737 avio_wb32(pb, 0); /* size */
3738 avio_wb32(pb, count); /* key */
3739 mov_write_string_data_tag(pb, t->value, 0, 1);
3740 update_size(pb, entry_pos);
3743 return update_size(pb, pos);
3746 /* meta data tags */
3747 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
3751 int64_t pos = avio_tell(pb);
3752 avio_wb32(pb, 0); /* size */
3753 ffio_wfourcc(pb, "meta");
3755 if (mov->flags & FF_MOV_FLAG_USE_MDTA) {
3756 mov_write_mdta_hdlr_tag(pb, mov, s);
3757 mov_write_mdta_keys_tag(pb, mov, s);
3758 mov_write_mdta_ilst_tag(pb, mov, s);
3761 /* iTunes metadata tag */
3762 mov_write_itunes_hdlr_tag(pb, mov, s);
3763 mov_write_ilst_tag(pb, mov, s);
3765 size = update_size(pb, pos);
3769 static int mov_write_raw_metadata_tag(AVFormatContext *s, AVIOContext *pb,
3770 const char *name, const char *key)
3773 AVDictionaryEntry *t;
3775 if (!(t = av_dict_get(s->metadata, key, NULL, 0)))
3778 len = strlen(t->value);
3781 avio_wb32(pb, size);
3782 ffio_wfourcc(pb, name);
3783 avio_write(pb, t->value, len);
3789 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
3793 GET_UTF8(val, *b++, return -1;)
3796 avio_wb16(pb, 0x00);
3800 static uint16_t language_code(const char *str)
3802 return (((str[0] - 0x60) & 0x1F) << 10) +
3803 (((str[1] - 0x60) & 0x1F) << 5) +
3804 (( str[2] - 0x60) & 0x1F);
3807 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
3808 const char *tag, const char *str)
3810 int64_t pos = avio_tell(pb);
3811 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
3812 if (!t || !utf8len(t->value))
3814 avio_wb32(pb, 0); /* size */
3815 ffio_wfourcc(pb, tag); /* type */
3816 avio_wb32(pb, 0); /* version + flags */
3817 if (!strcmp(tag, "yrrc"))
3818 avio_wb16(pb, atoi(t->value));
3820 avio_wb16(pb, language_code("eng")); /* language */
3821 avio_write(pb, t->value, strlen(t->value) + 1); /* UTF8 string value */
3822 if (!strcmp(tag, "albm") &&
3823 (t = av_dict_get(s->metadata, "track", NULL, 0)))
3824 avio_w8(pb, atoi(t->value));
3826 return update_size(pb, pos);
3829 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
3831 int64_t pos = avio_tell(pb);
3832 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
3834 avio_wb32(pb, 0); // size
3835 ffio_wfourcc(pb, "chpl");
3836 avio_wb32(pb, 0x01000000); // version + flags
3837 avio_wb32(pb, 0); // unknown
3838 avio_w8(pb, nb_chapters);
3840 for (i = 0; i < nb_chapters; i++) {
3841 AVChapter *c = s->chapters[i];
3842 AVDictionaryEntry *t;
3843 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
3845 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3846 int len = FFMIN(strlen(t->value), 255);
3848 avio_write(pb, t->value, len);
3852 return update_size(pb, pos);
3855 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
3858 AVIOContext *pb_buf;
3862 ret = avio_open_dyn_buf(&pb_buf);
3866 if (mov->mode & MODE_3GP) {
3867 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
3868 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
3869 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
3870 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
3871 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
3872 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
3873 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
3874 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
3875 mov_write_loci_tag(s, pb_buf);
3876 } 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
3877 mov_write_string_metadata(s, pb_buf, "\251ART", "artist", 0);
3878 mov_write_string_metadata(s, pb_buf, "\251nam", "title", 0);
3879 mov_write_string_metadata(s, pb_buf, "\251aut", "author", 0);
3880 mov_write_string_metadata(s, pb_buf, "\251alb", "album", 0);
3881 mov_write_string_metadata(s, pb_buf, "\251day", "date", 0);
3882 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder", 0);
3883 // currently ignored by mov.c
3884 mov_write_string_metadata(s, pb_buf, "\251des", "comment", 0);
3885 // add support for libquicktime, this atom is also actually read by mov.c
3886 mov_write_string_metadata(s, pb_buf, "\251cmt", "comment", 0);
3887 mov_write_string_metadata(s, pb_buf, "\251gen", "genre", 0);
3888 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright", 0);
3889 mov_write_string_metadata(s, pb_buf, "\251mak", "make", 0);
3890 mov_write_string_metadata(s, pb_buf, "\251mod", "model", 0);
3891 mov_write_string_metadata(s, pb_buf, "\251xyz", "location", 0);
3892 mov_write_string_metadata(s, pb_buf, "\251key", "keywords", 0);
3893 mov_write_raw_metadata_tag(s, pb_buf, "XMP_", "xmp");
3895 /* iTunes meta data */
3896 mov_write_meta_tag(pb_buf, mov, s);
3897 mov_write_loci_tag(s, pb_buf);
3900 if (s->nb_chapters && !(mov->flags & FF_MOV_FLAG_DISABLE_CHPL))
3901 mov_write_chpl_tag(pb_buf, s);
3903 if ((size = avio_get_dyn_buf(pb_buf, &buf)) > 0) {
3904 avio_wb32(pb, size + 8);
3905 ffio_wfourcc(pb, "udta");
3906 avio_write(pb, buf, size);
3908 ffio_free_dyn_buf(&pb_buf);
3913 static void mov_write_psp_udta_tag(AVIOContext *pb,
3914 const char *str, const char *lang, int type)
3916 int len = utf8len(str) + 1;
3919 avio_wb16(pb, len * 2 + 10); /* size */
3920 avio_wb32(pb, type); /* type */
3921 avio_wb16(pb, language_code(lang)); /* language */
3922 avio_wb16(pb, 0x01); /* ? */
3923 ascii_to_wc(pb, str);
3926 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
3928 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
3932 pos = avio_tell(pb);
3933 avio_wb32(pb, 0); /* size placeholder*/
3934 ffio_wfourcc(pb, "uuid");
3935 ffio_wfourcc(pb, "USMT");
3936 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
3937 avio_wb32(pb, 0xbb88695c);
3938 avio_wb32(pb, 0xfac9c740);
3940 pos2 = avio_tell(pb);
3941 avio_wb32(pb, 0); /* size placeholder*/
3942 ffio_wfourcc(pb, "MTDT");
3946 avio_wb16(pb, 0x0C); /* size */
3947 avio_wb32(pb, 0x0B); /* type */
3948 avio_wb16(pb, language_code("und")); /* language */
3949 avio_wb16(pb, 0x0); /* ? */
3950 avio_wb16(pb, 0x021C); /* data */
3952 if (!(s->flags & AVFMT_FLAG_BITEXACT))
3953 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
3954 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
3955 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
3957 update_size(pb, pos2);
3958 return update_size(pb, pos);
3964 static void build_chunks(MOVTrack *trk)
3967 MOVIentry *chunk = &trk->cluster[0];
3968 uint64_t chunkSize = chunk->size;
3969 chunk->chunkNum = 1;
3970 if (trk->chunkCount)
3972 trk->chunkCount = 1;
3973 for (i = 1; i<trk->entry; i++){
3974 if (chunk->pos + chunkSize == trk->cluster[i].pos &&
3975 chunkSize + trk->cluster[i].size < (1<<20)){
3976 chunkSize += trk->cluster[i].size;
3977 chunk->samples_in_chunk += trk->cluster[i].entries;
3979 trk->cluster[i].chunkNum = chunk->chunkNum+1;
3980 chunk=&trk->cluster[i];
3981 chunkSize = chunk->size;
3988 * Assign track ids. If option "use_stream_ids_as_track_ids" is set,
3989 * the stream ids are used as track ids.
3991 * This assumes mov->tracks and s->streams are in the same order and
3992 * there are no gaps in either of them (so mov->tracks[n] refers to
3995 * As an exception, there can be more entries in
3996 * s->streams than in mov->tracks, in which case new track ids are
3997 * generated (starting after the largest found stream id).
3999 static int mov_setup_track_ids(MOVMuxContext *mov, AVFormatContext *s)
4003 if (mov->track_ids_ok)
4006 if (mov->use_stream_ids_as_track_ids) {
4007 int next_generated_track_id = 0;
4008 for (i = 0; i < s->nb_streams; i++) {
4009 if (s->streams[i]->id > next_generated_track_id)
4010 next_generated_track_id = s->streams[i]->id;
4013 for (i = 0; i < mov->nb_streams; i++) {
4014 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
4017 mov->tracks[i].track_id = i >= s->nb_streams ? ++next_generated_track_id : s->streams[i]->id;
4020 for (i = 0; i < mov->nb_streams; i++) {
4021 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
4024 mov->tracks[i].track_id = i + 1;
4028 mov->track_ids_ok = 1;
4033 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
4037 int64_t pos = avio_tell(pb);
4038 avio_wb32(pb, 0); /* size placeholder*/
4039 ffio_wfourcc(pb, "moov");
4041 mov_setup_track_ids(mov, s);
4043 for (i = 0; i < mov->nb_streams; i++) {
4044 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
4047 mov->tracks[i].time = mov->time;
4049 if (mov->tracks[i].entry)
4050 build_chunks(&mov->tracks[i]);
4053 if (mov->chapter_track)
4054 for (i = 0; i < s->nb_streams; i++) {
4055 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
4056 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
4058 for (i = 0; i < mov->nb_streams; i++) {
4059 MOVTrack *track = &mov->tracks[i];
4060 if (track->tag == MKTAG('r','t','p',' ')) {
4061 track->tref_tag = MKTAG('h','i','n','t');
4062 track->tref_id = mov->tracks[track->src_track].track_id;
4063 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
4064 int * fallback, size;
4065 fallback = (int*)av_stream_get_side_data(track->st,
4066 AV_PKT_DATA_FALLBACK_TRACK,
4068 if (fallback != NULL && size == sizeof(int)) {
4069 if (*fallback >= 0 && *fallback < mov->nb_streams) {
4070 track->tref_tag = MKTAG('f','a','l','l');
4071 track->tref_id = mov->tracks[*fallback].track_id;
4076 for (i = 0; i < mov->nb_streams; i++) {
4077 if (mov->tracks[i].tag == MKTAG('t','m','c','d')) {
4078 int src_trk = mov->tracks[i].src_track;
4079 mov->tracks[src_trk].tref_tag = mov->tracks[i].tag;
4080 mov->tracks[src_trk].tref_id = mov->tracks[i].track_id;
4081 //src_trk may have a different timescale than the tmcd track
4082 mov->tracks[i].track_duration = av_rescale(mov->tracks[src_trk].track_duration,
4083 mov->tracks[i].timescale,
4084 mov->tracks[src_trk].timescale);
4088 mov_write_mvhd_tag(pb, mov);
4089 if (mov->mode != MODE_MOV && !mov->iods_skip)
4090 mov_write_iods_tag(pb, mov);
4091 for (i = 0; i < mov->nb_streams; i++) {
4092 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
4093 int ret = mov_write_trak_tag(s, pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
4098 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
4099 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
4101 if (mov->mode == MODE_PSP)
4102 mov_write_uuidusmt_tag(pb, s);
4104 mov_write_udta_tag(pb, mov, s);
4106 return update_size(pb, pos);
4109 static void param_write_int(AVIOContext *pb, const char *name, int value)
4111 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
4114 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
4116 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
4119 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
4122 len = FFMIN(sizeof(buf) / 2 - 1, len);
4123 ff_data_to_hex(buf, value, len, 0);
4124 buf[2 * len] = '\0';
4125 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
4128 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov, AVFormatContext *s)
4130 int64_t pos = avio_tell(pb);
4132 int64_t manifest_bit_rate = 0;
4133 AVCPBProperties *props = NULL;
4135 static const uint8_t uuid[] = {
4136 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
4137 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
4141 ffio_wfourcc(pb, "uuid");
4142 avio_write(pb, uuid, sizeof(uuid));
4145 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
4146 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
4147 avio_printf(pb, "<head>\n");
4148 if (!(mov->fc->flags & AVFMT_FLAG_BITEXACT))
4149 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
4151 avio_printf(pb, "</head>\n");
4152 avio_printf(pb, "<body>\n");
4153 avio_printf(pb, "<switch>\n");
4155 mov_setup_track_ids(mov, s);
4157 for (i = 0; i < mov->nb_streams; i++) {
4158 MOVTrack *track = &mov->tracks[i];
4160 int track_id = track->track_id;
4161 char track_name_buf[32] = { 0 };
4163 AVStream *st = track->st;
4164 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
4166 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO && !is_cover_image(st)) {
4168 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
4174 props = (AVCPBProperties*)av_stream_get_side_data(track->st, AV_PKT_DATA_CPB_PROPERTIES, NULL);
4176 if (track->par->bit_rate) {
4177 manifest_bit_rate = track->par->bit_rate;
4179 manifest_bit_rate = props->max_bitrate;
4182 avio_printf(pb, "<%s systemBitrate=\"%"PRId64"\">\n", type,
4184 param_write_int(pb, "systemBitrate", manifest_bit_rate);
4185 param_write_int(pb, "trackID", track_id);
4186 param_write_string(pb, "systemLanguage", lang ? lang->value : "und");
4188 /* Build track name piece by piece: */
4190 av_strlcat(track_name_buf, type, sizeof(track_name_buf));
4191 /* 2. track language, if available */
4193 av_strlcatf(track_name_buf, sizeof(track_name_buf),
4194 "_%s", lang->value);
4195 /* 3. special type suffix */
4196 /* "_cc" = closed captions, "_ad" = audio_description */
4197 if (st->disposition & AV_DISPOSITION_HEARING_IMPAIRED)
4198 av_strlcat(track_name_buf, "_cc", sizeof(track_name_buf));
4199 else if (st->disposition & AV_DISPOSITION_VISUAL_IMPAIRED)
4200 av_strlcat(track_name_buf, "_ad", sizeof(track_name_buf));
4202 param_write_string(pb, "trackName", track_name_buf);
4204 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
4205 if (track->par->codec_id == AV_CODEC_ID_H264) {
4207 int size = track->par->extradata_size;
4208 if (!ff_avc_write_annexb_extradata(track->par->extradata, &ptr,
4210 param_write_hex(pb, "CodecPrivateData",
4211 ptr ? ptr : track->par->extradata,
4215 param_write_string(pb, "FourCC", "H264");
4216 } else if (track->par->codec_id == AV_CODEC_ID_VC1) {
4217 param_write_string(pb, "FourCC", "WVC1");
4218 param_write_hex(pb, "CodecPrivateData", track->par->extradata,
4219 track->par->extradata_size);
4221 param_write_int(pb, "MaxWidth", track->par->width);
4222 param_write_int(pb, "MaxHeight", track->par->height);
4223 param_write_int(pb, "DisplayWidth", track->par->width);
4224 param_write_int(pb, "DisplayHeight", track->par->height);
4226 if (track->par->codec_id == AV_CODEC_ID_AAC) {
4227 switch (track->par->profile)
4229 case FF_PROFILE_AAC_HE_V2:
4230 param_write_string(pb, "FourCC", "AACP");
4232 case FF_PROFILE_AAC_HE:
4233 param_write_string(pb, "FourCC", "AACH");
4236 param_write_string(pb, "FourCC", "AACL");
4238 } else if (track->par->codec_id == AV_CODEC_ID_WMAPRO) {
4239 param_write_string(pb, "FourCC", "WMAP");
4241 param_write_hex(pb, "CodecPrivateData", track->par->extradata,
4242 track->par->extradata_size);
4243 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
4244 track->par->codec_id));
4245 param_write_int(pb, "Channels", track->par->channels);
4246 param_write_int(pb, "SamplingRate", track->par->sample_rate);
4247 param_write_int(pb, "BitsPerSample", 16);
4248 param_write_int(pb, "PacketSize", track->par->block_align ?
4249 track->par->block_align : 4);
4251 avio_printf(pb, "</%s>\n", type);
4253 avio_printf(pb, "</switch>\n");
4254 avio_printf(pb, "</body>\n");
4255 avio_printf(pb, "</smil>\n");
4257 return update_size(pb, pos);
4260 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
4263 ffio_wfourcc(pb, "mfhd");
4265 avio_wb32(pb, mov->fragments);
4269 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
4271 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
4272 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
4275 static int mov_write_tfhd_tag(AVIOContext *pb, MOVMuxContext *mov,
4276 MOVTrack *track, int64_t moof_offset)
4278 int64_t pos = avio_tell(pb);
4279 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
4280 MOV_TFHD_BASE_DATA_OFFSET;
4281 if (!track->entry) {
4282 flags |= MOV_TFHD_DURATION_IS_EMPTY;
4284 flags |= MOV_TFHD_DEFAULT_FLAGS;
4286 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET)
4287 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
4288 if (mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) {
4289 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
4290 flags |= MOV_TFHD_DEFAULT_BASE_IS_MOOF;
4292 /* CMAF requires all values to be explicit in tfhd atoms */
4293 if (mov->flags & FF_MOV_FLAG_CMAF)
4294 flags |= MOV_TFHD_STSD_ID;
4296 /* Don't set a default sample size, the silverlight player refuses
4297 * to play files with that set. Don't set a default sample duration,
4298 * WMP freaks out if it is set. Don't set a base data offset, PIFF
4299 * file format says it MUST NOT be set. */
4300 if (track->mode == MODE_ISM)
4301 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
4302 MOV_TFHD_BASE_DATA_OFFSET | MOV_TFHD_STSD_ID);
4304 avio_wb32(pb, 0); /* size placeholder */
4305 ffio_wfourcc(pb, "tfhd");
4306 avio_w8(pb, 0); /* version */
4307 avio_wb24(pb, flags);
4309 avio_wb32(pb, track->track_id); /* track-id */
4310 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
4311 avio_wb64(pb, moof_offset);
4312 if (flags & MOV_TFHD_STSD_ID) {
4315 if (flags & MOV_TFHD_DEFAULT_DURATION) {
4316 track->default_duration = get_cluster_duration(track, 0);
4317 avio_wb32(pb, track->default_duration);
4319 if (flags & MOV_TFHD_DEFAULT_SIZE) {
4320 track->default_size = track->entry ? track->cluster[0].size : 1;
4321 avio_wb32(pb, track->default_size);
4323 track->default_size = -1;
4325 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
4326 /* Set the default flags based on the second sample, if available.
4327 * If the first sample is different, that can be signaled via a separate field. */
4328 if (track->entry > 1)
4329 track->default_sample_flags = get_sample_flags(track, &track->cluster[1]);
4331 track->default_sample_flags =
4332 track->par->codec_type == AVMEDIA_TYPE_VIDEO ?
4333 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
4334 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
4335 avio_wb32(pb, track->default_sample_flags);
4338 return update_size(pb, pos);
4341 static int mov_write_trun_tag(AVIOContext *pb, MOVMuxContext *mov,
4342 MOVTrack *track, int moof_size,
4345 int64_t pos = avio_tell(pb);
4346 uint32_t flags = MOV_TRUN_DATA_OFFSET;
4349 for (i = first; i < end; i++) {
4350 if (get_cluster_duration(track, i) != track->default_duration)
4351 flags |= MOV_TRUN_SAMPLE_DURATION;
4352 if (track->cluster[i].size != track->default_size)
4353 flags |= MOV_TRUN_SAMPLE_SIZE;
4354 if (i > first && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
4355 flags |= MOV_TRUN_SAMPLE_FLAGS;
4357 if (!(flags & MOV_TRUN_SAMPLE_FLAGS) && track->entry > 0 &&
4358 get_sample_flags(track, &track->cluster[0]) != track->default_sample_flags)
4359 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
4360 if (track->flags & MOV_TRACK_CTTS)
4361 flags |= MOV_TRUN_SAMPLE_CTS;
4363 avio_wb32(pb, 0); /* size placeholder */
4364 ffio_wfourcc(pb, "trun");
4365 if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4366 avio_w8(pb, 1); /* version */
4368 avio_w8(pb, 0); /* version */
4369 avio_wb24(pb, flags);
4371 avio_wb32(pb, end - first); /* sample count */
4372 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
4373 !(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) &&
4375 avio_wb32(pb, 0); /* Later tracks follow immediately after the previous one */
4377 avio_wb32(pb, moof_size + 8 + track->data_offset +
4378 track->cluster[first].pos); /* data offset */
4379 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
4380 avio_wb32(pb, get_sample_flags(track, &track->cluster[first]));
4382 for (i = first; i < end; i++) {
4383 if (flags & MOV_TRUN_SAMPLE_DURATION)
4384 avio_wb32(pb, get_cluster_duration(track, i));
4385 if (flags & MOV_TRUN_SAMPLE_SIZE)
4386 avio_wb32(pb, track->cluster[i].size);
4387 if (flags & MOV_TRUN_SAMPLE_FLAGS)
4388 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
4389 if (flags & MOV_TRUN_SAMPLE_CTS)
4390 avio_wb32(pb, track->cluster[i].cts);
4393 mov->first_trun = 0;
4394 return update_size(pb, pos);
4397 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
4399 int64_t pos = avio_tell(pb);
4400 static const uint8_t uuid[] = {
4401 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
4402 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
4405 avio_wb32(pb, 0); /* size placeholder */
4406 ffio_wfourcc(pb, "uuid");
4407 avio_write(pb, uuid, sizeof(uuid));
4410 avio_wb64(pb, track->start_dts + track->frag_start +
4411 track->cluster[0].cts);
4412 avio_wb64(pb, track->end_pts -
4413 (track->cluster[0].dts + track->cluster[0].cts));
4415 return update_size(pb, pos);
4418 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
4419 MOVTrack *track, int entry)
4421 int n = track->nb_frag_info - 1 - entry, i;
4422 int size = 8 + 16 + 4 + 1 + 16*n;
4423 static const uint8_t uuid[] = {
4424 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
4425 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
4431 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
4432 avio_wb32(pb, size);
4433 ffio_wfourcc(pb, "uuid");
4434 avio_write(pb, uuid, sizeof(uuid));
4438 for (i = 0; i < n; i++) {
4439 int index = entry + 1 + i;
4440 avio_wb64(pb, track->frag_info[index].time);
4441 avio_wb64(pb, track->frag_info[index].duration);
4443 if (n < mov->ism_lookahead) {
4444 int free_size = 16 * (mov->ism_lookahead - n);
4445 avio_wb32(pb, free_size);
4446 ffio_wfourcc(pb, "free");
4447 ffio_fill(pb, 0, free_size - 8);
4453 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
4456 int64_t pos = avio_tell(pb);
4458 for (i = 0; i < mov->ism_lookahead; i++) {
4459 /* Update the tfrf tag for the last ism_lookahead fragments,
4460 * nb_frag_info - 1 is the next fragment to be written. */
4461 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
4463 avio_seek(pb, pos, SEEK_SET);
4467 static int mov_add_tfra_entries(AVIOContext *pb, MOVMuxContext *mov, int tracks,
4471 for (i = 0; i < mov->nb_streams; i++) {
4472 MOVTrack *track = &mov->tracks[i];
4473 MOVFragmentInfo *info;
4474 if ((tracks >= 0 && i != tracks) || !track->entry)
4476 track->nb_frag_info++;
4477 if (track->nb_frag_info >= track->frag_info_capacity) {
4478 unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT;
4479 if (av_reallocp_array(&track->frag_info,
4481 sizeof(*track->frag_info)))
4482 return AVERROR(ENOMEM);
4483 track->frag_info_capacity = new_capacity;
4485 info = &track->frag_info[track->nb_frag_info - 1];
4486 info->offset = avio_tell(pb);
4488 // Try to recreate the original pts for the first packet
4489 // from the fields we have stored
4490 info->time = track->start_dts + track->frag_start +
4491 track->cluster[0].cts;
4492 info->duration = track->end_pts -
4493 (track->cluster[0].dts + track->cluster[0].cts);
4494 // If the pts is less than zero, we will have trimmed
4495 // away parts of the media track using an edit list,
4496 // and the corresponding start presentation time is zero.
4497 if (info->time < 0) {
4498 info->duration += info->time;
4501 info->tfrf_offset = 0;
4502 mov_write_tfrf_tags(pb, mov, track);
4507 static void mov_prune_frag_info(MOVMuxContext *mov, int tracks, int max)
4510 for (i = 0; i < mov->nb_streams; i++) {
4511 MOVTrack *track = &mov->tracks[i];
4512 if ((tracks >= 0 && i != tracks) || !track->entry)
4514 if (track->nb_frag_info > max) {
4515 memmove(track->frag_info, track->frag_info + (track->nb_frag_info - max), max * sizeof(*track->frag_info));
4516 track->nb_frag_info = max;
4521 static int mov_write_tfdt_tag(AVIOContext *pb, MOVTrack *track)
4523 int64_t pos = avio_tell(pb);
4525 avio_wb32(pb, 0); /* size */
4526 ffio_wfourcc(pb, "tfdt");
4527 avio_w8(pb, 1); /* version */
4529 avio_wb64(pb, track->frag_start);
4530 return update_size(pb, pos);
4533 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
4534 MOVTrack *track, int64_t moof_offset,
4537 int64_t pos = avio_tell(pb);
4539 avio_wb32(pb, 0); /* size placeholder */
4540 ffio_wfourcc(pb, "traf");
4542 mov_write_tfhd_tag(pb, mov, track, moof_offset);
4543 if (mov->mode != MODE_ISM)
4544 mov_write_tfdt_tag(pb, track);
4545 for (i = 1; i < track->entry; i++) {
4546 if (track->cluster[i].pos != track->cluster[i - 1].pos + track->cluster[i - 1].size) {
4547 mov_write_trun_tag(pb, mov, track, moof_size, start, i);
4551 mov_write_trun_tag(pb, mov, track, moof_size, start, track->entry);
4552 if (mov->mode == MODE_ISM) {
4553 mov_write_tfxd_tag(pb, track);
4555 if (mov->ism_lookahead) {
4556 int i, size = 16 + 4 + 1 + 16 * mov->ism_lookahead;
4558 if (track->nb_frag_info > 0) {
4559 MOVFragmentInfo *info = &track->frag_info[track->nb_frag_info - 1];
4560 if (!info->tfrf_offset)
4561 info->tfrf_offset = avio_tell(pb);
4563 avio_wb32(pb, 8 + size);
4564 ffio_wfourcc(pb, "free");
4565 for (i = 0; i < size; i++)
4570 return update_size(pb, pos);
4573 static int mov_write_moof_tag_internal(AVIOContext *pb, MOVMuxContext *mov,
4574 int tracks, int moof_size)
4576 int64_t pos = avio_tell(pb);
4579 avio_wb32(pb, 0); /* size placeholder */
4580 ffio_wfourcc(pb, "moof");
4581 mov->first_trun = 1;
4583 mov_write_mfhd_tag(pb, mov);
4584 for (i = 0; i < mov->nb_streams; i++) {
4585 MOVTrack *track = &mov->tracks[i];
4586 if (tracks >= 0 && i != tracks)
4590 mov_write_traf_tag(pb, mov, track, pos, moof_size);
4593 return update_size(pb, pos);
4596 static int mov_write_sidx_tag(AVIOContext *pb,
4597 MOVTrack *track, int ref_size, int total_sidx_size)
4599 int64_t pos = avio_tell(pb), offset_pos, end_pos;
4600 int64_t presentation_time, duration, offset;
4601 unsigned starts_with_SAP;
4606 presentation_time = track->start_dts + track->frag_start +
4607 track->cluster[0].cts;
4608 duration = track->end_pts -
4609 (track->cluster[0].dts + track->cluster[0].cts);
4610 starts_with_SAP = track->cluster[0].flags & MOV_SYNC_SAMPLE;
4612 // pts<0 should be cut away using edts
4613 if (presentation_time < 0) {
4614 duration += presentation_time;
4615 presentation_time = 0;
4618 entries = track->nb_frag_info;
4621 presentation_time = track->frag_info[0].time;
4624 avio_wb32(pb, 0); /* size */
4625 ffio_wfourcc(pb, "sidx");
4626 avio_w8(pb, 1); /* version */
4628 avio_wb32(pb, track->track_id); /* reference_ID */
4629 avio_wb32(pb, track->timescale); /* timescale */
4630 avio_wb64(pb, presentation_time); /* earliest_presentation_time */
4631 offset_pos = avio_tell(pb);
4632 avio_wb64(pb, 0); /* first_offset (offset to referenced moof) */
4633 avio_wb16(pb, 0); /* reserved */
4635 avio_wb16(pb, entries); /* reference_count */
4636 for (i = 0; i < entries; i++) {
4637 if (!track->entry) {
4638 if (i > 1 && track->frag_info[i].offset != track->frag_info[i - 1].offset + track->frag_info[i - 1].size) {
4639 av_log(NULL, AV_LOG_ERROR, "Non-consecutive fragments, writing incorrect sidx\n");
4641 duration = track->frag_info[i].duration;
4642 ref_size = track->frag_info[i].size;
4643 starts_with_SAP = 1;
4645 avio_wb32(pb, (0 << 31) | (ref_size & 0x7fffffff)); /* reference_type (0 = media) | referenced_size */
4646 avio_wb32(pb, duration); /* subsegment_duration */
4647 avio_wb32(pb, (starts_with_SAP << 31) | (0 << 28) | 0); /* starts_with_SAP | SAP_type | SAP_delta_time */
4650 end_pos = avio_tell(pb);
4651 offset = pos + total_sidx_size - end_pos;
4652 avio_seek(pb, offset_pos, SEEK_SET);
4653 avio_wb64(pb, offset);
4654 avio_seek(pb, end_pos, SEEK_SET);
4655 return update_size(pb, pos);
4658 static int mov_write_sidx_tags(AVIOContext *pb, MOVMuxContext *mov,
4659 int tracks, int ref_size)
4662 AVIOContext *avio_buf;
4664 for (round = 0; round < 2; round++) {
4665 // First run one round to calculate the total size of all
4667 // This would be much simpler if we'd only write one sidx
4668 // atom, for the first track in the moof.
4670 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
4675 for (i = 0; i < mov->nb_streams; i++) {
4676 MOVTrack *track = &mov->tracks[i];
4677 if (tracks >= 0 && i != tracks)
4679 // When writing a sidx for the full file, entry is 0, but
4680 // we want to include all tracks. ref_size is 0 in this case,
4681 // since we read it from frag_info instead.
4682 if (!track->entry && ref_size > 0)
4684 total_size -= mov_write_sidx_tag(avio_buf, track, ref_size,
4688 total_size = ffio_close_null_buf(avio_buf);
4693 static int mov_write_prft_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
4695 int64_t pos = avio_tell(pb), pts_us, ntp_ts;
4696 MOVTrack *first_track;
4699 /* PRFT should be associated with at most one track. So, choosing only the
4703 first_track = &(mov->tracks[0]);
4705 if (!first_track->entry) {
4706 av_log(mov->fc, AV_LOG_WARNING, "Unable to write PRFT, no entries in the track\n");
4710 if (first_track->cluster[0].pts == AV_NOPTS_VALUE) {
4711 av_log(mov->fc, AV_LOG_WARNING, "Unable to write PRFT, first PTS is invalid\n");
4715 if (mov->write_prft == MOV_PRFT_SRC_WALLCLOCK) {
4716 if (first_track->cluster[0].prft.wallclock) {
4717 /* Round the NTP time to whole milliseconds. */
4718 ntp_ts = ff_get_formatted_ntp_time((first_track->cluster[0].prft.wallclock / 1000) * 1000 +
4720 flags = first_track->cluster[0].prft.flags;
4722 ntp_ts = ff_get_formatted_ntp_time(ff_ntp_time());
4723 } else if (mov->write_prft == MOV_PRFT_SRC_PTS) {
4724 pts_us = av_rescale_q(first_track->cluster[0].pts,
4725 first_track->st->time_base, AV_TIME_BASE_Q);
4726 ntp_ts = ff_get_formatted_ntp_time(pts_us + NTP_OFFSET_US);
4728 av_log(mov->fc, AV_LOG_WARNING, "Unsupported PRFT box configuration: %d\n",
4733 avio_wb32(pb, 0); // Size place holder
4734 ffio_wfourcc(pb, "prft"); // Type
4735 avio_w8(pb, 1); // Version
4736 avio_wb24(pb, flags); // Flags
4737 avio_wb32(pb, first_track->track_id); // reference track ID
4738 avio_wb64(pb, ntp_ts); // NTP time stamp
4739 avio_wb64(pb, first_track->cluster[0].pts); //media time
4740 return update_size(pb, pos);
4743 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks,
4746 AVIOContext *avio_buf;
4749 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
4751 mov_write_moof_tag_internal(avio_buf, mov, tracks, 0);
4752 moof_size = ffio_close_null_buf(avio_buf);
4754 if (mov->flags & FF_MOV_FLAG_DASH &&
4755 !(mov->flags & (FF_MOV_FLAG_GLOBAL_SIDX | FF_MOV_FLAG_SKIP_SIDX)))
4756 mov_write_sidx_tags(pb, mov, tracks, moof_size + 8 + mdat_size);
4758 if (mov->write_prft > MOV_PRFT_NONE && mov->write_prft < MOV_PRFT_NB)
4759 mov_write_prft_tag(pb, mov, tracks);
4761 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX ||
4762 !(mov->flags & FF_MOV_FLAG_SKIP_TRAILER) ||
4763 mov->ism_lookahead) {
4764 if ((ret = mov_add_tfra_entries(pb, mov, tracks, moof_size + 8 + mdat_size)) < 0)
4766 if (!(mov->flags & FF_MOV_FLAG_GLOBAL_SIDX) &&
4767 mov->flags & FF_MOV_FLAG_SKIP_TRAILER) {
4768 mov_prune_frag_info(mov, tracks, mov->ism_lookahead + 1);
4772 return mov_write_moof_tag_internal(pb, mov, tracks, moof_size);
4775 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
4777 int64_t pos = avio_tell(pb);
4780 avio_wb32(pb, 0); /* size placeholder */
4781 ffio_wfourcc(pb, "tfra");
4782 avio_w8(pb, 1); /* version */
4785 avio_wb32(pb, track->track_id);
4786 avio_wb32(pb, 0); /* length of traf/trun/sample num */
4787 avio_wb32(pb, track->nb_frag_info);
4788 for (i = 0; i < track->nb_frag_info; i++) {
4789 avio_wb64(pb, track->frag_info[i].time);
4790 avio_wb64(pb, track->frag_info[i].offset + track->data_offset);
4791 avio_w8(pb, 1); /* traf number */
4792 avio_w8(pb, 1); /* trun number */
4793 avio_w8(pb, 1); /* sample number */
4796 return update_size(pb, pos);
4799 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
4801 int64_t pos = avio_tell(pb);
4804 avio_wb32(pb, 0); /* size placeholder */
4805 ffio_wfourcc(pb, "mfra");
4806 /* An empty mfra atom is enough to indicate to the publishing point that
4807 * the stream has ended. */
4808 if (mov->flags & FF_MOV_FLAG_ISML)
4809 return update_size(pb, pos);
4811 for (i = 0; i < mov->nb_streams; i++) {
4812 MOVTrack *track = &mov->tracks[i];
4813 if (track->nb_frag_info)
4814 mov_write_tfra_tag(pb, track);
4818 ffio_wfourcc(pb, "mfro");
4819 avio_wb32(pb, 0); /* version + flags */
4820 avio_wb32(pb, avio_tell(pb) + 4 - pos);
4822 return update_size(pb, pos);
4825 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
4827 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
4828 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
4830 mov->mdat_pos = avio_tell(pb);
4831 avio_wb32(pb, 0); /* size placeholder*/
4832 ffio_wfourcc(pb, "mdat");
4836 static void mov_write_ftyp_tag_internal(AVIOContext *pb, AVFormatContext *s,
4837 int has_h264, int has_video, int write_minor)
4839 MOVMuxContext *mov = s->priv_data;
4842 if (mov->major_brand && strlen(mov->major_brand) >= 4)
4843 ffio_wfourcc(pb, mov->major_brand);
4844 else if (mov->mode == MODE_3GP) {
4845 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
4846 minor = has_h264 ? 0x100 : 0x200;
4847 } else if (mov->mode & MODE_3G2) {
4848 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
4849 minor = has_h264 ? 0x20000 : 0x10000;
4850 } else if (mov->mode == MODE_PSP)
4851 ffio_wfourcc(pb, "MSNV");
4852 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_FRAGMENT &&
4853 mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4854 ffio_wfourcc(pb, "iso6"); // Required when using signed CTS offsets in trun boxes
4855 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
4856 ffio_wfourcc(pb, "iso5"); // Required when using default-base-is-moof
4857 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4858 ffio_wfourcc(pb, "iso4");
4859 else if (mov->mode == MODE_MP4)
4860 ffio_wfourcc(pb, "isom");
4861 else if (mov->mode == MODE_IPOD)
4862 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
4863 else if (mov->mode == MODE_ISM)
4864 ffio_wfourcc(pb, "isml");
4865 else if (mov->mode == MODE_F4V)
4866 ffio_wfourcc(pb, "f4v ");
4868 ffio_wfourcc(pb, "qt ");
4871 avio_wb32(pb, minor);
4874 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
4876 MOVMuxContext *mov = s->priv_data;
4877 int64_t pos = avio_tell(pb);
4878 int has_h264 = 0, has_av1 = 0, has_video = 0;
4881 for (i = 0; i < s->nb_streams; i++) {
4882 AVStream *st = s->streams[i];
4883 if (is_cover_image(st))
4885 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
4887 if (st->codecpar->codec_id == AV_CODEC_ID_H264)
4889 if (st->codecpar->codec_id == AV_CODEC_ID_AV1)
4893 avio_wb32(pb, 0); /* size */
4894 ffio_wfourcc(pb, "ftyp");
4896 // Write major brand
4897 mov_write_ftyp_tag_internal(pb, s, has_h264, has_video, 1);
4898 // Write the major brand as the first compatible brand as well
4899 mov_write_ftyp_tag_internal(pb, s, has_h264, has_video, 0);
4901 // Write compatible brands, ensuring that we don't write the major brand as a
4902 // compatible brand a second time.
4903 if (mov->mode == MODE_ISM) {
4904 ffio_wfourcc(pb, "piff");
4905 } else if (mov->mode != MODE_MOV) {
4906 // We add tfdt atoms when fragmenting, signal this with the iso6 compatible
4907 // brand, if not already the major brand. This is compatible with users that
4908 // don't understand tfdt.
4909 if (mov->mode == MODE_MP4) {
4910 if (mov->flags & FF_MOV_FLAG_CMAF)
4911 ffio_wfourcc(pb, "cmfc");
4912 if (mov->flags & FF_MOV_FLAG_FRAGMENT && !(mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS))
4913 ffio_wfourcc(pb, "iso6");
4915 ffio_wfourcc(pb, "av01");
4917 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
4918 ffio_wfourcc(pb, "iso6");
4919 if (mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
4920 ffio_wfourcc(pb, "iso5");
4921 else if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4922 ffio_wfourcc(pb, "iso4");
4924 // Brands prior to iso5 can't be signaled when using default-base-is-moof
4925 if (!(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)) {
4926 // write isom for mp4 only if it it's not the major brand already.
4927 if (mov->mode != MODE_MP4 || mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4928 ffio_wfourcc(pb, "isom");
4929 ffio_wfourcc(pb, "iso2");
4931 ffio_wfourcc(pb, "avc1");
4935 if (mov->mode == MODE_MP4)
4936 ffio_wfourcc(pb, "mp41");
4938 if (mov->flags & FF_MOV_FLAG_DASH && mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
4939 ffio_wfourcc(pb, "dash");
4941 return update_size(pb, pos);
4944 static int mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
4946 AVStream *video_st = s->streams[0];
4947 AVCodecParameters *video_par = s->streams[0]->codecpar;
4948 AVCodecParameters *audio_par = s->streams[1]->codecpar;
4949 int audio_rate = audio_par->sample_rate;
4950 int64_t frame_rate = video_st->avg_frame_rate.den ?
4951 (video_st->avg_frame_rate.num * 0x10000LL) / video_st->avg_frame_rate.den :
4953 int audio_kbitrate = audio_par->bit_rate / 1000;
4954 int video_kbitrate = FFMIN(video_par->bit_rate / 1000, 800 - audio_kbitrate);
4956 if (frame_rate < 0 || frame_rate > INT32_MAX) {
4957 av_log(s, AV_LOG_ERROR, "Frame rate %f outside supported range\n", frame_rate / (double)0x10000);
4958 return AVERROR(EINVAL);
4961 avio_wb32(pb, 0x94); /* size */
4962 ffio_wfourcc(pb, "uuid");
4963 ffio_wfourcc(pb, "PROF");
4965 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
4966 avio_wb32(pb, 0xbb88695c);
4967 avio_wb32(pb, 0xfac9c740);
4969 avio_wb32(pb, 0x0); /* ? */
4970 avio_wb32(pb, 0x3); /* 3 sections ? */
4972 avio_wb32(pb, 0x14); /* size */
4973 ffio_wfourcc(pb, "FPRF");
4974 avio_wb32(pb, 0x0); /* ? */
4975 avio_wb32(pb, 0x0); /* ? */
4976 avio_wb32(pb, 0x0); /* ? */
4978 avio_wb32(pb, 0x2c); /* size */
4979 ffio_wfourcc(pb, "APRF"); /* audio */
4981 avio_wb32(pb, 0x2); /* TrackID */
4982 ffio_wfourcc(pb, "mp4a");
4983 avio_wb32(pb, 0x20f);
4985 avio_wb32(pb, audio_kbitrate);
4986 avio_wb32(pb, audio_kbitrate);
4987 avio_wb32(pb, audio_rate);
4988 avio_wb32(pb, audio_par->channels);
4990 avio_wb32(pb, 0x34); /* size */
4991 ffio_wfourcc(pb, "VPRF"); /* video */
4993 avio_wb32(pb, 0x1); /* TrackID */
4994 if (video_par->codec_id == AV_CODEC_ID_H264) {
4995 ffio_wfourcc(pb, "avc1");
4996 avio_wb16(pb, 0x014D);
4997 avio_wb16(pb, 0x0015);
4999 ffio_wfourcc(pb, "mp4v");
5000 avio_wb16(pb, 0x0000);
5001 avio_wb16(pb, 0x0103);
5004 avio_wb32(pb, video_kbitrate);
5005 avio_wb32(pb, video_kbitrate);
5006 avio_wb32(pb, frame_rate);
5007 avio_wb32(pb, frame_rate);
5008 avio_wb16(pb, video_par->width);
5009 avio_wb16(pb, video_par->height);
5010 avio_wb32(pb, 0x010001); /* ? */
5015 static int mov_write_identification(AVIOContext *pb, AVFormatContext *s)
5017 MOVMuxContext *mov = s->priv_data;
5020 mov_write_ftyp_tag(pb,s);
5021 if (mov->mode == MODE_PSP) {
5022 int video_streams_nb = 0, audio_streams_nb = 0, other_streams_nb = 0;
5023 for (i = 0; i < s->nb_streams; i++) {
5024 AVStream *st = s->streams[i];
5025 if (is_cover_image(st))
5027 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
5029 else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
5035 if (video_streams_nb != 1 || audio_streams_nb != 1 || other_streams_nb) {
5036 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
5037 return AVERROR(EINVAL);
5039 return mov_write_uuidprof_tag(pb, s);
5044 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
5047 int i, closed_gop = 0;
5049 for (i = 0; i < pkt->size - 4; i++) {
5050 c = (c << 8) + pkt->data[i];
5051 if (c == 0x1b8) { // gop
5052 closed_gop = pkt->data[i + 4] >> 6 & 0x01;
5053 } else if (c == 0x100) { // pic
5054 int temp_ref = (pkt->data[i + 1] << 2) | (pkt->data[i + 2] >> 6);
5055 if (!temp_ref || closed_gop) // I picture is not reordered
5056 *flags = MOV_SYNC_SAMPLE;
5058 *flags = MOV_PARTIAL_SYNC_SAMPLE;
5065 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk)
5067 const uint8_t *start, *next, *end = pkt->data + pkt->size;
5068 int seq = 0, entry = 0;
5069 int key = pkt->flags & AV_PKT_FLAG_KEY;
5070 start = find_next_marker(pkt->data, end);
5071 for (next = start; next < end; start = next) {
5072 next = find_next_marker(start + 4, end);
5073 switch (AV_RB32(start)) {
5074 case VC1_CODE_SEQHDR:
5077 case VC1_CODE_ENTRYPOINT:
5080 case VC1_CODE_SLICE:
5081 trk->vc1_info.slices = 1;
5085 if (!trk->entry && trk->vc1_info.first_packet_seen)
5086 trk->vc1_info.first_frag_written = 1;
5087 if (!trk->entry && !trk->vc1_info.first_frag_written) {
5088 /* First packet in first fragment */
5089 trk->vc1_info.first_packet_seq = seq;
5090 trk->vc1_info.first_packet_entry = entry;
5091 trk->vc1_info.first_packet_seen = 1;
5092 } else if ((seq && !trk->vc1_info.packet_seq) ||
5093 (entry && !trk->vc1_info.packet_entry)) {
5095 for (i = 0; i < trk->entry; i++)
5096 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
5097 trk->has_keyframes = 0;
5099 trk->vc1_info.packet_seq = 1;
5101 trk->vc1_info.packet_entry = 1;
5102 if (!trk->vc1_info.first_frag_written) {
5103 /* First fragment */
5104 if ((!seq || trk->vc1_info.first_packet_seq) &&
5105 (!entry || trk->vc1_info.first_packet_entry)) {
5106 /* First packet had the same headers as this one, readd the
5107 * sync sample flag. */
5108 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
5109 trk->has_keyframes = 1;
5113 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
5115 else if (trk->vc1_info.packet_seq)
5117 else if (trk->vc1_info.packet_entry)
5120 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
5121 trk->has_keyframes++;
5125 static void mov_parse_truehd_frame(AVPacket *pkt, MOVTrack *trk)
5132 length = (AV_RB16(pkt->data) & 0xFFF) * 2;
5133 if (length < 8 || length > pkt->size)
5136 if (AV_RB32(pkt->data + 4) == 0xF8726FBA) {
5137 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
5138 trk->has_keyframes++;
5144 static int mov_flush_fragment_interleaving(AVFormatContext *s, MOVTrack *track)
5146 MOVMuxContext *mov = s->priv_data;
5151 if (!track->mdat_buf)
5153 if (!mov->mdat_buf) {
5154 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
5157 buf_size = avio_get_dyn_buf(track->mdat_buf, &buf);
5159 offset = avio_tell(mov->mdat_buf);
5160 avio_write(mov->mdat_buf, buf, buf_size);
5161 ffio_free_dyn_buf(&track->mdat_buf);
5163 for (i = track->entries_flushed; i < track->entry; i++)
5164 track->cluster[i].pos += offset;
5165 track->entries_flushed = track->entry;
5169 static int mov_flush_fragment(AVFormatContext *s, int force)
5171 MOVMuxContext *mov = s->priv_data;
5172 int i, first_track = -1;
5173 int64_t mdat_size = 0;
5175 int has_video = 0, starts_with_key = 0, first_video_track = 1;
5177 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
5180 // Try to fill in the duration of the last packet in each stream
5181 // from queued packets in the interleave queues. If the flushing
5182 // of fragments was triggered automatically by an AVPacket, we
5183 // already have reliable info for the end of that track, but other
5184 // tracks may need to be filled in.
5185 for (i = 0; i < s->nb_streams; i++) {
5186 MOVTrack *track = &mov->tracks[i];
5187 if (!track->end_reliable) {
5189 if (!ff_interleaved_peek(s, i, &pkt, 1)) {
5190 if (track->dts_shift != AV_NOPTS_VALUE)
5191 pkt.dts += track->dts_shift;
5192 track->track_duration = pkt.dts - track->start_dts;
5193 if (pkt.pts != AV_NOPTS_VALUE)
5194 track->end_pts = pkt.pts;
5196 track->end_pts = pkt.dts;
5201 for (i = 0; i < mov->nb_streams; i++) {
5202 MOVTrack *track = &mov->tracks[i];
5203 if (track->entry <= 1)
5205 // Sample durations are calculated as the diff of dts values,
5206 // but for the last sample in a fragment, we don't know the dts
5207 // of the first sample in the next fragment, so we have to rely
5208 // on what was set as duration in the AVPacket. Not all callers
5209 // set this though, so we might want to replace it with an
5210 // estimate if it currently is zero.
5211 if (get_cluster_duration(track, track->entry - 1) != 0)
5213 // Use the duration (i.e. dts diff) of the second last sample for
5214 // the last one. This is a wild guess (and fatal if it turns out
5215 // to be too long), but probably the best we can do - having a zero
5216 // duration is bad as well.
5217 track->track_duration += get_cluster_duration(track, track->entry - 2);
5218 track->end_pts += get_cluster_duration(track, track->entry - 2);
5219 if (!mov->missing_duration_warned) {
5220 av_log(s, AV_LOG_WARNING,
5221 "Estimating the duration of the last packet in a "
5222 "fragment, consider setting the duration field in "
5223 "AVPacket instead.\n");
5224 mov->missing_duration_warned = 1;
5228 if (!mov->moov_written) {
5229 int64_t pos = avio_tell(s->pb);
5231 int buf_size, moov_size;
5233 for (i = 0; i < mov->nb_streams; i++)
5234 if (!mov->tracks[i].entry && !is_cover_image(mov->tracks[i].st))
5236 /* Don't write the initial moov unless all tracks have data */
5237 if (i < mov->nb_streams && !force)
5240 moov_size = get_moov_size(s);
5241 for (i = 0; i < mov->nb_streams; i++)
5242 mov->tracks[i].data_offset = pos + moov_size + 8;
5244 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_HEADER);
5245 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
5246 mov_write_identification(s->pb, s);
5247 if ((ret = mov_write_moov_tag(s->pb, mov, s)) < 0)
5250 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV) {
5251 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
5252 mov->reserved_header_pos = avio_tell(s->pb);
5253 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
5254 mov->moov_written = 1;
5258 buf_size = avio_get_dyn_buf(mov->mdat_buf, &buf);
5259 avio_wb32(s->pb, buf_size + 8);
5260 ffio_wfourcc(s->pb, "mdat");
5261 avio_write(s->pb, buf, buf_size);
5262 ffio_free_dyn_buf(&mov->mdat_buf);
5264 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
5265 mov->reserved_header_pos = avio_tell(s->pb);
5267 mov->moov_written = 1;
5269 for (i = 0; i < mov->nb_streams; i++) {
5270 if (mov->tracks[i].entry)
5271 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
5272 mov->tracks[i].track_duration -
5273 mov->tracks[i].cluster[0].dts;
5274 mov->tracks[i].entry = 0;
5275 mov->tracks[i].end_reliable = 0;
5277 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
5281 if (mov->frag_interleave) {
5282 for (i = 0; i < mov->nb_streams; i++) {
5283 MOVTrack *track = &mov->tracks[i];
5285 if ((ret = mov_flush_fragment_interleaving(s, track)) < 0)
5291 mdat_size = avio_tell(mov->mdat_buf);
5294 for (i = 0; i < mov->nb_streams; i++) {
5295 MOVTrack *track = &mov->tracks[i];
5296 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF || mov->frag_interleave)
5297 track->data_offset = 0;
5299 track->data_offset = mdat_size;
5300 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
5302 if (first_video_track) {
5304 starts_with_key = track->cluster[0].flags & MOV_SYNC_SAMPLE;
5305 first_video_track = 0;
5310 if (track->mdat_buf)
5311 mdat_size += avio_tell(track->mdat_buf);
5312 if (first_track < 0)
5319 avio_write_marker(s->pb,
5320 av_rescale(mov->tracks[first_track].cluster[0].dts, AV_TIME_BASE, mov->tracks[first_track].timescale),
5321 (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);
5323 for (i = 0; i < mov->nb_streams; i++) {
5324 MOVTrack *track = &mov->tracks[i];
5325 int buf_size, write_moof = 1, moof_tracks = -1;
5327 int64_t duration = 0;
5330 duration = track->start_dts + track->track_duration -
5331 track->cluster[0].dts;
5332 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
5333 if (!track->mdat_buf)
5335 mdat_size = avio_tell(track->mdat_buf);
5338 write_moof = i == first_track;
5342 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
5344 mov_write_moof_tag(s->pb, mov, moof_tracks, mdat_size);
5347 avio_wb32(s->pb, mdat_size + 8);
5348 ffio_wfourcc(s->pb, "mdat");
5352 track->frag_start += duration;
5354 track->entries_flushed = 0;
5355 track->end_reliable = 0;
5356 if (!mov->frag_interleave) {
5357 if (!track->mdat_buf)
5359 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
5360 track->mdat_buf = NULL;
5364 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
5365 mov->mdat_buf = NULL;
5368 avio_write(s->pb, buf, buf_size);
5374 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
5378 static int mov_auto_flush_fragment(AVFormatContext *s, int force)
5380 MOVMuxContext *mov = s->priv_data;
5381 int had_moov = mov->moov_written;
5382 int ret = mov_flush_fragment(s, force);
5385 // If using delay_moov, the first flush only wrote the moov,
5386 // not the actual moof+mdat pair, thus flush once again.
5387 if (!had_moov && mov->flags & FF_MOV_FLAG_DELAY_MOOV)
5388 ret = mov_flush_fragment(s, force);
5392 static int check_pkt(AVFormatContext *s, AVPacket *pkt)
5394 MOVMuxContext *mov = s->priv_data;
5395 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5400 ref = trk->cluster[trk->entry - 1].dts;
5401 } else if ( trk->start_dts != AV_NOPTS_VALUE
5402 && !trk->frag_discont) {
5403 ref = trk->start_dts + trk->track_duration;
5405 ref = pkt->dts; // Skip tests for the first packet
5407 if (trk->dts_shift != AV_NOPTS_VALUE) {
5408 /* With negative CTS offsets we have set an offset to the DTS,
5409 * reverse this for the check. */
5410 ref -= trk->dts_shift;
5413 duration = pkt->dts - ref;
5414 if (pkt->dts < ref || duration >= INT_MAX) {
5415 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" / timestamp: %"PRId64" is out of range for mov/mp4 format\n",
5420 pkt->pts = AV_NOPTS_VALUE;
5423 if (pkt->duration < 0 || pkt->duration > INT_MAX) {
5424 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" is invalid\n", pkt->duration);
5425 return AVERROR(EINVAL);
5430 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
5432 MOVMuxContext *mov = s->priv_data;
5433 AVIOContext *pb = s->pb;
5434 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5435 AVCodecParameters *par = trk->par;
5436 AVProducerReferenceTime *prft;
5437 unsigned int samples_in_chunk = 0;
5438 int size = pkt->size, ret = 0, offset = 0;
5440 uint8_t *reformatted_data = NULL;
5442 ret = check_pkt(s, pkt);
5446 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
5448 if (mov->moov_written || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
5449 if (mov->frag_interleave && mov->fragments > 0) {
5450 if (trk->entry - trk->entries_flushed >= mov->frag_interleave) {
5451 if ((ret = mov_flush_fragment_interleaving(s, trk)) < 0)
5456 if (!trk->mdat_buf) {
5457 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
5462 if (!mov->mdat_buf) {
5463 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
5470 if (par->codec_id == AV_CODEC_ID_AMR_NB) {
5471 /* We must find out how many AMR blocks there are in one packet */
5472 static const uint16_t packed_size[16] =
5473 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
5476 while (len < size && samples_in_chunk < 100) {
5477 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
5480 if (samples_in_chunk > 1) {
5481 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
5484 } else if (par->codec_id == AV_CODEC_ID_ADPCM_MS ||
5485 par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
5486 samples_in_chunk = trk->par->frame_size;
5487 } else if (trk->sample_size)
5488 samples_in_chunk = size / trk->sample_size;
5490 samples_in_chunk = 1;
5492 if (samples_in_chunk < 1) {
5493 av_log(s, AV_LOG_ERROR, "fatal error, input packet contains no samples\n");
5494 return AVERROR_PATCHWELCOME;
5497 /* copy extradata if it exists */
5498 if (trk->vos_len == 0 && par->extradata_size > 0 &&
5499 !TAG_IS_AVCI(trk->tag) &&
5500 (par->codec_id != AV_CODEC_ID_DNXHD)) {
5501 trk->vos_len = par->extradata_size;
5502 trk->vos_data = av_malloc(trk->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
5503 if (!trk->vos_data) {
5504 ret = AVERROR(ENOMEM);
5507 memcpy(trk->vos_data, par->extradata, trk->vos_len);
5508 memset(trk->vos_data + trk->vos_len, 0, AV_INPUT_BUFFER_PADDING_SIZE);
5511 if ((par->codec_id == AV_CODEC_ID_DNXHD ||
5512 par->codec_id == AV_CODEC_ID_H264 ||
5513 par->codec_id == AV_CODEC_ID_HEVC ||
5514 par->codec_id == AV_CODEC_ID_TRUEHD ||
5515 par->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len &&
5516 !TAG_IS_AVCI(trk->tag)) {
5517 /* copy frame to create needed atoms */
5518 trk->vos_len = size;
5519 trk->vos_data = av_malloc(size + AV_INPUT_BUFFER_PADDING_SIZE);
5520 if (!trk->vos_data) {
5521 ret = AVERROR(ENOMEM);
5524 memcpy(trk->vos_data, pkt->data, size);
5525 memset(trk->vos_data + size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
5528 if (par->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 &&
5529 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
5530 if (!s->streams[pkt->stream_index]->nb_frames) {
5531 av_log(s, AV_LOG_ERROR, "Malformed AAC bitstream detected: "
5532 "use the audio bitstream filter 'aac_adtstoasc' to fix it "
5533 "('-bsf:a aac_adtstoasc' option with ffmpeg)\n");
5536 av_log(s, AV_LOG_WARNING, "aac bitstream error\n");
5538 if (par->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1 && !TAG_IS_AVCI(trk->tag)) {
5539 /* from x264 or from bytestream H.264 */
5540 /* NAL reformatting needed */
5541 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5542 ret = ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
5546 avio_write(pb, reformatted_data, size);
5548 if (trk->cenc.aes_ctr) {
5549 size = ff_mov_cenc_avc_parse_nal_units(&trk->cenc, pb, pkt->data, size);
5555 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
5558 } else if (par->codec_id == AV_CODEC_ID_HEVC && trk->vos_len > 6 &&
5559 (AV_RB24(trk->vos_data) == 1 || AV_RB32(trk->vos_data) == 1)) {
5560 /* extradata is Annex B, assume the bitstream is too and convert it */
5561 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5562 ret = ff_hevc_annexb2mp4_buf(pkt->data, &reformatted_data,
5566 avio_write(pb, reformatted_data, size);
5568 size = ff_hevc_annexb2mp4(pb, pkt->data, pkt->size, 0, NULL);
5570 } else if (par->codec_id == AV_CODEC_ID_AV1) {
5571 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5572 ret = ff_av1_filter_obus_buf(pkt->data, &reformatted_data,
5576 avio_write(pb, reformatted_data, size);
5578 size = ff_av1_filter_obus(pb, pkt->data, pkt->size);
5580 #if CONFIG_AC3_PARSER
5581 } else if (par->codec_id == AV_CODEC_ID_EAC3) {
5582 size = handle_eac3(mov, pkt, trk);
5587 avio_write(pb, pkt->data, size);
5589 } else if (par->codec_id == AV_CODEC_ID_EIA_608) {
5592 for (int i = 0; i < pkt->size; i += 3) {
5593 if (pkt->data[i] == 0xFC) {
5597 avio_wb32(pb, size);
5598 ffio_wfourcc(pb, "cdat");
5599 for (int i = 0; i < pkt->size; i += 3) {
5600 if (pkt->data[i] == 0xFC) {
5601 avio_w8(pb, pkt->data[i + 1]);
5602 avio_w8(pb, pkt->data[i + 2]);
5606 if (trk->cenc.aes_ctr) {
5607 if (par->codec_id == AV_CODEC_ID_H264 && par->extradata_size > 4) {
5608 int nal_size_length = (par->extradata[4] & 0x3) + 1;
5609 ret = ff_mov_cenc_avc_write_nal_units(s, &trk->cenc, nal_size_length, pb, pkt->data, size);
5611 ret = ff_mov_cenc_write_packet(&trk->cenc, pb, pkt->data, size);
5618 avio_write(pb, pkt->data, size);
5622 if (trk->entry >= trk->cluster_capacity) {
5623 unsigned new_capacity = trk->entry + MOV_INDEX_CLUSTER_SIZE;
5624 if (av_reallocp_array(&trk->cluster, new_capacity,
5625 sizeof(*trk->cluster))) {
5626 ret = AVERROR(ENOMEM);
5629 trk->cluster_capacity = new_capacity;
5632 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
5633 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
5634 trk->cluster[trk->entry].chunkNum = 0;
5635 trk->cluster[trk->entry].size = size;
5636 trk->cluster[trk->entry].entries = samples_in_chunk;
5637 trk->cluster[trk->entry].dts = pkt->dts;
5638 trk->cluster[trk->entry].pts = pkt->pts;
5639 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
5640 if (!trk->frag_discont) {
5641 /* First packet of a new fragment. We already wrote the duration
5642 * of the last packet of the previous fragment based on track_duration,
5643 * which might not exactly match our dts. Therefore adjust the dts
5644 * of this packet to be what the previous packets duration implies. */
5645 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
5646 /* We also may have written the pts and the corresponding duration
5647 * in sidx/tfrf/tfxd tags; make sure the sidx pts and duration match up with
5648 * the next fragment. This means the cts of the first sample must
5649 * be the same in all fragments, unless end_pts was updated by
5650 * the packet causing the fragment to be written. */
5651 if ((mov->flags & FF_MOV_FLAG_DASH &&
5652 !(mov->flags & (FF_MOV_FLAG_GLOBAL_SIDX | FF_MOV_FLAG_SKIP_SIDX))) ||
5653 mov->mode == MODE_ISM)
5654 pkt->pts = pkt->dts + trk->end_pts - trk->cluster[trk->entry].dts;
5656 /* New fragment, but discontinuous from previous fragments.
5657 * Pretend the duration sum of the earlier fragments is
5658 * pkt->dts - trk->start_dts. */
5659 trk->frag_start = pkt->dts - trk->start_dts;
5660 trk->end_pts = AV_NOPTS_VALUE;
5661 trk->frag_discont = 0;
5665 if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !mov->use_editlist &&
5666 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO) {
5667 /* Not using edit lists and shifting the first track to start from zero.
5668 * If the other streams start from a later timestamp, we won't be able
5669 * to signal the difference in starting time without an edit list.
5670 * Thus move the timestamp for this first sample to 0, increasing
5671 * its duration instead. */
5672 trk->cluster[trk->entry].dts = trk->start_dts = 0;
5674 if (trk->start_dts == AV_NOPTS_VALUE) {
5675 trk->start_dts = pkt->dts;
5676 if (trk->frag_discont) {
5677 if (mov->use_editlist) {
5678 /* Pretend the whole stream started at pts=0, with earlier fragments
5679 * already written. If the stream started at pts=0, the duration sum
5680 * of earlier fragments would have been pkt->pts. */
5681 trk->frag_start = pkt->pts;
5682 trk->start_dts = pkt->dts - pkt->pts;
5684 /* Pretend the whole stream started at dts=0, with earlier fragments
5685 * already written, with a duration summing up to pkt->dts. */
5686 trk->frag_start = pkt->dts;
5689 trk->frag_discont = 0;
5690 } else if (pkt->dts && mov->moov_written)
5691 av_log(s, AV_LOG_WARNING,
5692 "Track %d starts with a nonzero dts %"PRId64", while the moov "
5693 "already has been written. Set the delay_moov flag to handle "
5695 pkt->stream_index, pkt->dts);
5697 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
5698 trk->last_sample_is_subtitle_end = 0;
5700 if (pkt->pts == AV_NOPTS_VALUE) {
5701 av_log(s, AV_LOG_WARNING, "pts has no value\n");
5702 pkt->pts = pkt->dts;
5704 if (pkt->dts != pkt->pts)
5705 trk->flags |= MOV_TRACK_CTTS;
5706 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
5707 trk->cluster[trk->entry].flags = 0;
5708 if (trk->start_cts == AV_NOPTS_VALUE)
5709 trk->start_cts = pkt->pts - pkt->dts;
5710 if (trk->end_pts == AV_NOPTS_VALUE)
5711 trk->end_pts = trk->cluster[trk->entry].dts +
5712 trk->cluster[trk->entry].cts + pkt->duration;
5714 trk->end_pts = FFMAX(trk->end_pts, trk->cluster[trk->entry].dts +
5715 trk->cluster[trk->entry].cts +
5718 if (par->codec_id == AV_CODEC_ID_VC1) {
5719 mov_parse_vc1_frame(pkt, trk);
5720 } else if (par->codec_id == AV_CODEC_ID_TRUEHD) {
5721 mov_parse_truehd_frame(pkt, trk);
5722 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
5723 if (mov->mode == MODE_MOV && par->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
5724 trk->entry > 0) { // force sync sample for the first key frame
5725 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
5726 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
5727 trk->flags |= MOV_TRACK_STPS;
5729 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
5731 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
5732 trk->has_keyframes++;
5734 if (pkt->flags & AV_PKT_FLAG_DISPOSABLE) {
5735 trk->cluster[trk->entry].flags |= MOV_DISPOSABLE_SAMPLE;
5736 trk->has_disposable++;
5739 prft = (AVProducerReferenceTime *)av_packet_get_side_data(pkt, AV_PKT_DATA_PRFT, &prft_size);
5740 if (prft && prft_size == sizeof(AVProducerReferenceTime))
5741 memcpy(&trk->cluster[trk->entry].prft, prft, prft_size);
5743 memset(&trk->cluster[trk->entry].prft, 0, sizeof(AVProducerReferenceTime));
5746 trk->sample_count += samples_in_chunk;
5747 mov->mdat_size += size;
5749 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
5750 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
5751 reformatted_data ? reformatted_data + offset
5757 if (pkt->data != reformatted_data)
5758 av_free(reformatted_data);
5762 static int mov_write_single_packet(AVFormatContext *s, AVPacket *pkt)
5764 MOVMuxContext *mov = s->priv_data;
5765 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5766 AVCodecParameters *par = trk->par;
5767 int64_t frag_duration = 0;
5768 int size = pkt->size;
5770 int ret = check_pkt(s, pkt);
5774 if (mov->flags & FF_MOV_FLAG_FRAG_DISCONT) {
5776 for (i = 0; i < s->nb_streams; i++)
5777 mov->tracks[i].frag_discont = 1;
5778 mov->flags &= ~FF_MOV_FLAG_FRAG_DISCONT;
5781 if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS) {
5782 if (trk->dts_shift == AV_NOPTS_VALUE)
5783 trk->dts_shift = pkt->pts - pkt->dts;
5784 pkt->dts += trk->dts_shift;
5787 if (trk->par->codec_id == AV_CODEC_ID_MP4ALS ||
5788 trk->par->codec_id == AV_CODEC_ID_AAC ||
5789 trk->par->codec_id == AV_CODEC_ID_AV1 ||
5790 trk->par->codec_id == AV_CODEC_ID_FLAC) {
5792 uint8_t *side = av_packet_get_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA, &side_size);
5793 if (side && side_size > 0 && (side_size != par->extradata_size || memcmp(side, par->extradata, side_size))) {
5794 void *newextra = av_mallocz(side_size + AV_INPUT_BUFFER_PADDING_SIZE);
5796 return AVERROR(ENOMEM);
5797 av_free(par->extradata);
5798 par->extradata = newextra;
5799 memcpy(par->extradata, side, side_size);
5800 par->extradata_size = side_size;
5801 if (!pkt->size) // Flush packet
5802 mov->need_rewrite_extradata = 1;
5807 if (trk->start_dts == AV_NOPTS_VALUE && trk->frag_discont) {
5808 trk->start_dts = pkt->dts;
5809 if (pkt->pts != AV_NOPTS_VALUE)
5810 trk->start_cts = pkt->pts - pkt->dts;
5815 return 0; /* Discard 0 sized packets */
5818 if (trk->entry && pkt->stream_index < s->nb_streams)
5819 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
5820 s->streams[pkt->stream_index]->time_base,
5822 if ((mov->max_fragment_duration &&
5823 frag_duration >= mov->max_fragment_duration) ||
5824 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
5825 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
5826 par->codec_type == AVMEDIA_TYPE_VIDEO &&
5827 trk->entry && pkt->flags & AV_PKT_FLAG_KEY) ||
5828 (mov->flags & FF_MOV_FLAG_FRAG_EVERY_FRAME)) {
5829 if (frag_duration >= mov->min_fragment_duration) {
5830 // Set the duration of this track to line up with the next
5831 // sample in this track. This avoids relying on AVPacket
5832 // duration, but only helps for this particular track, not
5833 // for the other ones that are flushed at the same time.
5834 trk->track_duration = pkt->dts - trk->start_dts;
5835 if (pkt->pts != AV_NOPTS_VALUE)
5836 trk->end_pts = pkt->pts;
5838 trk->end_pts = pkt->dts;
5839 trk->end_reliable = 1;
5840 mov_auto_flush_fragment(s, 0);
5844 return ff_mov_write_packet(s, pkt);
5847 static int mov_write_subtitle_end_packet(AVFormatContext *s,
5851 uint8_t data[2] = {0};
5854 av_init_packet(&end);
5855 end.size = sizeof(data);
5860 end.stream_index = stream_index;
5862 ret = mov_write_single_packet(s, &end);
5863 av_packet_unref(&end);
5868 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
5870 MOVMuxContext *mov = s->priv_data;
5874 mov_flush_fragment(s, 1);
5878 trk = &mov->tracks[pkt->stream_index];
5880 if (is_cover_image(trk->st)) {
5883 if (trk->st->nb_frames >= 1) {
5884 if (trk->st->nb_frames == 1)
5885 av_log(s, AV_LOG_WARNING, "Got more than one picture in stream %d,"
5886 " ignoring.\n", pkt->stream_index);
5890 if ((ret = av_packet_ref(&trk->cover_image, pkt)) < 0)
5898 return mov_write_single_packet(s, pkt); /* Passthrough. */
5901 * Subtitles require special handling.
5903 * 1) For full complaince, every track must have a sample at
5904 * dts == 0, which is rarely true for subtitles. So, as soon
5905 * as we see any packet with dts > 0, write an empty subtitle
5906 * at dts == 0 for any subtitle track with no samples in it.
5908 * 2) For each subtitle track, check if the current packet's
5909 * dts is past the duration of the last subtitle sample. If
5910 * so, we now need to write an end sample for that subtitle.
5912 * This must be done conditionally to allow for subtitles that
5913 * immediately replace each other, in which case an end sample
5914 * is not needed, and is, in fact, actively harmful.
5916 * 3) See mov_write_trailer for how the final end sample is
5919 for (i = 0; i < mov->nb_streams; i++) {
5920 MOVTrack *trk = &mov->tracks[i];
5923 if (trk->par->codec_id == AV_CODEC_ID_MOV_TEXT &&
5924 trk->track_duration < pkt->dts &&
5925 (trk->entry == 0 || !trk->last_sample_is_subtitle_end)) {
5926 ret = mov_write_subtitle_end_packet(s, i, trk->track_duration);
5927 if (ret < 0) return ret;
5928 trk->last_sample_is_subtitle_end = 1;
5932 if (trk->mode == MODE_MOV && trk->par->codec_type == AVMEDIA_TYPE_VIDEO) {
5933 AVPacket *opkt = pkt;
5934 int reshuffle_ret, ret;
5935 if (trk->is_unaligned_qt_rgb) {
5936 int64_t bpc = trk->par->bits_per_coded_sample != 15 ? trk->par->bits_per_coded_sample : 16;
5937 int expected_stride = ((trk->par->width * bpc + 15) >> 4)*2;
5938 reshuffle_ret = ff_reshuffle_raw_rgb(s, &pkt, trk->par, expected_stride);
5939 if (reshuffle_ret < 0)
5940 return reshuffle_ret;
5943 if (trk->par->format == AV_PIX_FMT_PAL8 && !trk->pal_done) {
5944 ret = ff_get_packet_palette(s, opkt, reshuffle_ret, trk->palette);
5949 } else if (trk->par->codec_id == AV_CODEC_ID_RAWVIDEO &&
5950 (trk->par->format == AV_PIX_FMT_GRAY8 ||
5951 trk->par->format == AV_PIX_FMT_MONOBLACK)) {
5952 for (i = 0; i < pkt->size; i++)
5953 pkt->data[i] = ~pkt->data[i];
5955 if (reshuffle_ret) {
5956 ret = mov_write_single_packet(s, pkt);
5959 av_packet_free(&pkt);
5964 return mov_write_single_packet(s, pkt);
5968 // QuickTime chapters involve an additional text track with the chapter names
5969 // as samples, and a tref pointing from the other tracks to the chapter one.
5970 static int mov_create_chapter_track(AVFormatContext *s, int tracknum)
5974 MOVMuxContext *mov = s->priv_data;
5975 MOVTrack *track = &mov->tracks[tracknum];
5976 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
5979 track->mode = mov->mode;
5980 track->tag = MKTAG('t','e','x','t');
5981 track->timescale = MOV_TIMESCALE;
5982 track->par = avcodec_parameters_alloc();
5984 return AVERROR(ENOMEM);
5985 track->par->codec_type = AVMEDIA_TYPE_SUBTITLE;
5987 // These properties are required to make QT recognize the chapter track
5988 uint8_t chapter_properties[43] = { 0, 0, 0, 0, 0, 0, 0, 1, };
5989 if (ff_alloc_extradata(track->par, sizeof(chapter_properties)))
5990 return AVERROR(ENOMEM);
5991 memcpy(track->par->extradata, chapter_properties, sizeof(chapter_properties));
5993 if (avio_open_dyn_buf(&pb) >= 0) {
5997 /* Stub header (usually for Quicktime chapter track) */
5999 avio_wb32(pb, 0x01); // displayFlags
6000 avio_w8(pb, 0x00); // horizontal justification
6001 avio_w8(pb, 0x00); // vertical justification
6002 avio_w8(pb, 0x00); // bgColourRed
6003 avio_w8(pb, 0x00); // bgColourGreen
6004 avio_w8(pb, 0x00); // bgColourBlue
6005 avio_w8(pb, 0x00); // bgColourAlpha
6007 avio_wb16(pb, 0x00); // defTextBoxTop
6008 avio_wb16(pb, 0x00); // defTextBoxLeft
6009 avio_wb16(pb, 0x00); // defTextBoxBottom
6010 avio_wb16(pb, 0x00); // defTextBoxRight
6012 avio_wb16(pb, 0x00); // startChar
6013 avio_wb16(pb, 0x00); // endChar
6014 avio_wb16(pb, 0x01); // fontID
6015 avio_w8(pb, 0x00); // fontStyleFlags
6016 avio_w8(pb, 0x00); // fontSize
6017 avio_w8(pb, 0x00); // fgColourRed
6018 avio_w8(pb, 0x00); // fgColourGreen
6019 avio_w8(pb, 0x00); // fgColourBlue
6020 avio_w8(pb, 0x00); // fgColourAlpha
6022 avio_wb32(pb, 0x0D); // box size
6023 ffio_wfourcc(pb, "ftab"); // box atom name
6024 avio_wb16(pb, 0x01); // entry count
6026 avio_wb16(pb, 0x01); // font ID
6027 avio_w8(pb, 0x00); // font name length
6029 if ((size = avio_close_dyn_buf(pb, &buf)) > 0) {
6030 track->par->extradata = buf;
6031 track->par->extradata_size = size;
6038 for (i = 0; i < s->nb_chapters; i++) {
6039 AVChapter *c = s->chapters[i];
6040 AVDictionaryEntry *t;
6042 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
6043 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
6044 pkt.duration = end - pkt.dts;
6046 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
6047 static const char encd[12] = {
6048 0x00, 0x00, 0x00, 0x0C,
6050 0x00, 0x00, 0x01, 0x00 };
6051 len = strlen(t->value);
6052 pkt.size = len + 2 + 12;
6053 pkt.data = av_malloc(pkt.size);
6055 return AVERROR(ENOMEM);
6056 AV_WB16(pkt.data, len);
6057 memcpy(pkt.data + 2, t->value, len);
6058 memcpy(pkt.data + len + 2, encd, sizeof(encd));
6059 ff_mov_write_packet(s, &pkt);
6060 av_freep(&pkt.data);
6068 static int mov_check_timecode_track(AVFormatContext *s, AVTimecode *tc, int src_index, const char *tcstr)
6072 /* compute the frame number */
6073 ret = av_timecode_init_from_string(tc, find_fps(s, s->streams[src_index]), tcstr, s);
6077 static int mov_create_timecode_track(AVFormatContext *s, int index, int src_index, AVTimecode tc)
6080 MOVMuxContext *mov = s->priv_data;
6081 MOVTrack *track = &mov->tracks[index];
6082 AVStream *src_st = s->streams[src_index];
6083 AVPacket pkt = {.stream_index = index, .flags = AV_PKT_FLAG_KEY, .size = 4};
6084 AVRational rate = find_fps(s, src_st);
6086 /* tmcd track based on video stream */
6087 track->mode = mov->mode;
6088 track->tag = MKTAG('t','m','c','d');
6089 track->src_track = src_index;
6090 track->timescale = mov->tracks[src_index].timescale;
6091 if (tc.flags & AV_TIMECODE_FLAG_DROPFRAME)
6092 track->timecode_flags |= MOV_TIMECODE_FLAG_DROPFRAME;
6094 /* set st to src_st for metadata access*/
6097 /* encode context: tmcd data stream */
6098 track->par = avcodec_parameters_alloc();
6100 return AVERROR(ENOMEM);
6101 track->par->codec_type = AVMEDIA_TYPE_DATA;
6102 track->par->codec_tag = track->tag;
6103 track->st->avg_frame_rate = av_inv_q(rate);
6105 /* the tmcd track just contains one packet with the frame number */
6106 pkt.data = av_malloc(pkt.size);
6108 return AVERROR(ENOMEM);
6109 AV_WB32(pkt.data, tc.start);
6110 ret = ff_mov_write_packet(s, &pkt);
6116 * st->disposition controls the "enabled" flag in the tkhd tag.
6117 * QuickTime will not play a track if it is not enabled. So make sure
6118 * that one track of each type (audio, video, subtitle) is enabled.
6120 * Subtitles are special. For audio and video, setting "enabled" also
6121 * makes the track "default" (i.e. it is rendered when played). For
6122 * subtitles, an "enabled" subtitle is not rendered by default, but
6123 * if no subtitle is enabled, the subtitle menu in QuickTime will be
6126 static void enable_tracks(AVFormatContext *s)
6128 MOVMuxContext *mov = s->priv_data;
6130 int enabled[AVMEDIA_TYPE_NB];
6131 int first[AVMEDIA_TYPE_NB];
6133 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
6138 for (i = 0; i < s->nb_streams; i++) {
6139 AVStream *st = s->streams[i];
6141 if (st->codecpar->codec_type <= AVMEDIA_TYPE_UNKNOWN ||
6142 st->codecpar->codec_type >= AVMEDIA_TYPE_NB ||
6146 if (first[st->codecpar->codec_type] < 0)
6147 first[st->codecpar->codec_type] = i;
6148 if (st->disposition & AV_DISPOSITION_DEFAULT) {
6149 mov->tracks[i].flags |= MOV_TRACK_ENABLED;
6150 enabled[st->codecpar->codec_type]++;
6154 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
6156 case AVMEDIA_TYPE_VIDEO:
6157 case AVMEDIA_TYPE_AUDIO:
6158 case AVMEDIA_TYPE_SUBTITLE:
6160 mov->per_stream_grouping = 1;
6161 if (!enabled[i] && first[i] >= 0)
6162 mov->tracks[first[i]].flags |= MOV_TRACK_ENABLED;
6168 static void mov_free(AVFormatContext *s)
6170 MOVMuxContext *mov = s->priv_data;
6173 if (mov->chapter_track) {
6174 if (mov->tracks[mov->chapter_track].par)
6175 av_freep(&mov->tracks[mov->chapter_track].par->extradata);
6176 av_freep(&mov->tracks[mov->chapter_track].par);
6179 for (i = 0; i < mov->nb_streams; i++) {
6180 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
6181 ff_mov_close_hinting(&mov->tracks[i]);
6182 else if (mov->tracks[i].tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd)
6183 av_freep(&mov->tracks[i].par);
6184 av_freep(&mov->tracks[i].cluster);
6185 av_freep(&mov->tracks[i].frag_info);
6186 av_packet_unref(&mov->tracks[i].cover_image);
6188 if (mov->tracks[i].eac3_priv) {
6189 struct eac3_info *info = mov->tracks[i].eac3_priv;
6190 av_packet_unref(&info->pkt);
6191 av_freep(&mov->tracks[i].eac3_priv);
6193 if (mov->tracks[i].vos_len)
6194 av_freep(&mov->tracks[i].vos_data);
6196 ff_mov_cenc_free(&mov->tracks[i].cenc);
6199 av_freep(&mov->tracks);
6202 static uint32_t rgb_to_yuv(uint32_t rgb)
6207 r = (rgb >> 16) & 0xFF;
6208 g = (rgb >> 8) & 0xFF;
6211 y = av_clip_uint8(( 16000 + 257 * r + 504 * g + 98 * b)/1000);
6212 cb = av_clip_uint8((128000 - 148 * r - 291 * g + 439 * b)/1000);
6213 cr = av_clip_uint8((128000 + 439 * r - 368 * g - 71 * b)/1000);
6215 return (y << 16) | (cr << 8) | cb;
6218 static int mov_create_dvd_sub_decoder_specific_info(MOVTrack *track,
6221 int i, width = 720, height = 480;
6222 int have_palette = 0, have_size = 0;
6223 uint32_t palette[16];
6224 char *cur = st->codecpar->extradata;
6226 while (cur && *cur) {
6227 if (strncmp("palette:", cur, 8) == 0) {
6229 count = sscanf(cur + 8,
6230 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
6231 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
6232 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
6233 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32"",
6234 &palette[ 0], &palette[ 1], &palette[ 2], &palette[ 3],
6235 &palette[ 4], &palette[ 5], &palette[ 6], &palette[ 7],
6236 &palette[ 8], &palette[ 9], &palette[10], &palette[11],
6237 &palette[12], &palette[13], &palette[14], &palette[15]);
6239 for (i = 0; i < count; i++) {
6240 palette[i] = rgb_to_yuv(palette[i]);
6243 } else if (!strncmp("size:", cur, 5)) {
6244 sscanf(cur + 5, "%dx%d", &width, &height);
6247 if (have_palette && have_size)
6249 cur += strcspn(cur, "\n\r");
6250 cur += strspn(cur, "\n\r");
6253 track->vos_data = av_malloc(16*4 + AV_INPUT_BUFFER_PADDING_SIZE);
6254 if (!track->vos_data)
6255 return AVERROR(ENOMEM);
6256 for (i = 0; i < 16; i++) {
6257 AV_WB32(track->vos_data + i * 4, palette[i]);
6259 memset(track->vos_data + 16*4, 0, AV_INPUT_BUFFER_PADDING_SIZE);
6260 track->vos_len = 16 * 4;
6262 st->codecpar->width = width;
6263 st->codecpar->height = track->height = height;
6268 static int mov_init(AVFormatContext *s)
6270 MOVMuxContext *mov = s->priv_data;
6271 AVDictionaryEntry *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
6276 /* Default mode == MP4 */
6277 mov->mode = MODE_MP4;
6280 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
6281 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
6282 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
6283 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
6284 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
6285 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
6286 else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V;
6289 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
6290 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV;
6292 /* Set the FRAGMENT flag if any of the fragmentation methods are
6294 if (mov->max_fragment_duration || mov->max_fragment_size ||
6295 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
6296 FF_MOV_FLAG_FRAG_KEYFRAME |
6297 FF_MOV_FLAG_FRAG_CUSTOM |
6298 FF_MOV_FLAG_FRAG_EVERY_FRAME))
6299 mov->flags |= FF_MOV_FLAG_FRAGMENT;
6301 /* Set other implicit flags immediately */
6302 if (mov->mode == MODE_ISM)
6303 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
6304 FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS;
6305 if (mov->flags & FF_MOV_FLAG_DASH)
6306 mov->flags |= FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_EMPTY_MOOV |
6307 FF_MOV_FLAG_DEFAULT_BASE_MOOF;
6308 if (mov->flags & FF_MOV_FLAG_CMAF)
6309 mov->flags |= FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_EMPTY_MOOV |
6310 FF_MOV_FLAG_DEFAULT_BASE_MOOF | FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS;
6312 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV && s->flags & AVFMT_FLAG_AUTO_BSF) {
6313 av_log(s, AV_LOG_VERBOSE, "Empty MOOV enabled; disabling automatic bitstream filtering\n");
6314 s->flags &= ~AVFMT_FLAG_AUTO_BSF;
6317 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX && mov->flags & FF_MOV_FLAG_SKIP_SIDX) {
6318 av_log(s, AV_LOG_WARNING, "Global SIDX enabled; Ignoring skip_sidx option\n");
6319 mov->flags &= ~FF_MOV_FLAG_SKIP_SIDX;
6322 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
6323 mov->reserved_moov_size = -1;
6326 if (mov->use_editlist < 0) {
6327 mov->use_editlist = 1;
6328 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
6329 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6330 // If we can avoid needing an edit list by shifting the
6331 // tracks, prefer that over (trying to) write edit lists
6332 // in fragmented output.
6333 if (s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO ||
6334 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO)
6335 mov->use_editlist = 0;
6337 if (mov->flags & FF_MOV_FLAG_CMAF) {
6338 // CMAF Track requires negative cts offsets without edit lists
6339 mov->use_editlist = 0;
6342 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
6343 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV) && mov->use_editlist)
6344 av_log(s, AV_LOG_WARNING, "No meaningful edit list will be written when using empty_moov without delay_moov\n");
6346 if (mov->flags & FF_MOV_FLAG_CMAF && mov->use_editlist) {
6347 av_log(s, AV_LOG_WARNING, "Edit list enabled; Assuming writing CMAF Track File\n");
6348 mov->flags &= ~FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS;
6350 if (!mov->use_editlist && s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO &&
6351 !(mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS))
6352 s->avoid_negative_ts = AVFMT_AVOID_NEG_TS_MAKE_ZERO;
6354 /* Clear the omit_tfhd_offset flag if default_base_moof is set;
6355 * if the latter is set that's enough and omit_tfhd_offset doesn't
6356 * add anything extra on top of that. */
6357 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
6358 mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
6359 mov->flags &= ~FF_MOV_FLAG_OMIT_TFHD_OFFSET;
6361 if (mov->frag_interleave &&
6362 mov->flags & (FF_MOV_FLAG_OMIT_TFHD_OFFSET | FF_MOV_FLAG_SEPARATE_MOOF)) {
6363 av_log(s, AV_LOG_ERROR,
6364 "Sample interleaving in fragments is mutually exclusive with "
6365 "omit_tfhd_offset and separate_moof\n");
6366 return AVERROR(EINVAL);
6369 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
6370 * is enabled, we don't support non-seekable output at all. */
6371 if (!(s->pb->seekable & AVIO_SEEKABLE_NORMAL) &&
6372 (!(mov->flags & FF_MOV_FLAG_FRAGMENT) || mov->ism_lookahead)) {
6373 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
6374 return AVERROR(EINVAL);
6377 mov->nb_streams = s->nb_streams;
6378 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
6379 mov->chapter_track = mov->nb_streams++;
6381 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6382 for (i = 0; i < s->nb_streams; i++)
6383 if (rtp_hinting_needed(s->streams[i]))
6387 if ( mov->write_tmcd == -1 && (mov->mode == MODE_MOV || mov->mode == MODE_MP4)
6388 || mov->write_tmcd == 1) {
6389 /* +1 tmcd track for each video stream with a timecode */
6390 for (i = 0; i < s->nb_streams; i++) {
6391 AVStream *st = s->streams[i];
6392 AVDictionaryEntry *t = global_tcr;
6393 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO &&
6394 (t || (t=av_dict_get(st->metadata, "timecode", NULL, 0)))) {
6396 ret = mov_check_timecode_track(s, &tc, i, t->value);
6398 mov->nb_meta_tmcd++;
6402 /* check if there is already a tmcd track to remux */
6403 if (mov->nb_meta_tmcd) {
6404 for (i = 0; i < s->nb_streams; i++) {
6405 AVStream *st = s->streams[i];
6406 if (st->codecpar->codec_tag == MKTAG('t','m','c','d')) {
6407 av_log(s, AV_LOG_WARNING, "You requested a copy of the original timecode track "
6408 "so timecode metadata are now ignored\n");
6409 mov->nb_meta_tmcd = 0;
6414 mov->nb_streams += mov->nb_meta_tmcd;
6417 // Reserve an extra stream for chapters for the case where chapters
6418 // are written in the trailer
6419 mov->tracks = av_mallocz_array((mov->nb_streams + 1), sizeof(*mov->tracks));
6421 return AVERROR(ENOMEM);
6423 if (mov->encryption_scheme_str != NULL && strcmp(mov->encryption_scheme_str, "none") != 0) {
6424 if (strcmp(mov->encryption_scheme_str, "cenc-aes-ctr") == 0) {
6425 mov->encryption_scheme = MOV_ENC_CENC_AES_CTR;
6427 if (mov->encryption_key_len != AES_CTR_KEY_SIZE) {
6428 av_log(s, AV_LOG_ERROR, "Invalid encryption key len %d expected %d\n",
6429 mov->encryption_key_len, AES_CTR_KEY_SIZE);
6430 return AVERROR(EINVAL);
6433 if (mov->encryption_kid_len != CENC_KID_SIZE) {
6434 av_log(s, AV_LOG_ERROR, "Invalid encryption kid len %d expected %d\n",
6435 mov->encryption_kid_len, CENC_KID_SIZE);
6436 return AVERROR(EINVAL);
6439 av_log(s, AV_LOG_ERROR, "unsupported encryption scheme %s\n",
6440 mov->encryption_scheme_str);
6441 return AVERROR(EINVAL);
6445 for (i = 0; i < s->nb_streams; i++) {
6446 AVStream *st= s->streams[i];
6447 MOVTrack *track= &mov->tracks[i];
6448 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
6451 track->par = st->codecpar;
6452 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
6453 if (track->language < 0)
6454 track->language = 32767; // Unspecified Macintosh language code
6455 track->mode = mov->mode;
6456 track->tag = mov_find_codec_tag(s, track);
6458 av_log(s, AV_LOG_ERROR, "Could not find tag for codec %s in stream #%d, "
6459 "codec not currently supported in container\n",
6460 avcodec_get_name(st->codecpar->codec_id), i);
6461 return AVERROR(EINVAL);
6463 /* If hinting of this track is enabled by a later hint track,
6464 * this is updated. */
6465 track->hint_track = -1;
6466 track->start_dts = AV_NOPTS_VALUE;
6467 track->start_cts = AV_NOPTS_VALUE;
6468 track->end_pts = AV_NOPTS_VALUE;
6469 track->dts_shift = AV_NOPTS_VALUE;
6470 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
6471 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
6472 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
6473 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
6474 if (st->codecpar->width != 720 || (st->codecpar->height != 608 && st->codecpar->height != 512)) {
6475 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
6476 return AVERROR(EINVAL);
6478 track->height = track->tag >> 24 == 'n' ? 486 : 576;
6480 if (mov->video_track_timescale) {
6481 track->timescale = mov->video_track_timescale;
6482 if (mov->mode == MODE_ISM && mov->video_track_timescale != 10000000)
6483 av_log(s, AV_LOG_WARNING, "Warning: some tools, like mp4split, assume a timescale of 10000000 for ISMV.\n");
6485 track->timescale = st->time_base.den;
6486 while(track->timescale < 10000)
6487 track->timescale *= 2;
6489 if (st->codecpar->width > 65535 || st->codecpar->height > 65535) {
6490 av_log(s, AV_LOG_ERROR, "Resolution %dx%d too large for mov/mp4\n", st->codecpar->width, st->codecpar->height);
6491 return AVERROR(EINVAL);
6493 if (track->mode == MODE_MOV && track->timescale > 100000)
6494 av_log(s, AV_LOG_WARNING,
6495 "WARNING codec timebase is very high. If duration is too long,\n"
6496 "file may not be playable by quicktime. Specify a shorter timebase\n"
6497 "or choose different container.\n");
6498 if (track->mode == MODE_MOV &&
6499 track->par->codec_id == AV_CODEC_ID_RAWVIDEO &&
6500 track->tag == MKTAG('r','a','w',' ')) {
6501 enum AVPixelFormat pix_fmt = track->par->format;
6502 if (pix_fmt == AV_PIX_FMT_NONE && track->par->bits_per_coded_sample == 1)
6503 pix_fmt = AV_PIX_FMT_MONOWHITE;
6504 track->is_unaligned_qt_rgb =
6505 pix_fmt == AV_PIX_FMT_RGB24 ||
6506 pix_fmt == AV_PIX_FMT_BGR24 ||
6507 pix_fmt == AV_PIX_FMT_PAL8 ||
6508 pix_fmt == AV_PIX_FMT_GRAY8 ||
6509 pix_fmt == AV_PIX_FMT_MONOWHITE ||
6510 pix_fmt == AV_PIX_FMT_MONOBLACK;
6512 if (track->par->codec_id == AV_CODEC_ID_VP9 ||
6513 track->par->codec_id == AV_CODEC_ID_AV1) {
6514 if (track->mode != MODE_MP4) {
6515 av_log(s, AV_LOG_ERROR, "%s only supported in MP4.\n", avcodec_get_name(track->par->codec_id));
6516 return AVERROR(EINVAL);
6518 } else if (track->par->codec_id == AV_CODEC_ID_VP8) {
6519 /* altref frames handling is not defined in the spec as of version v1.0,
6520 * so just forbid muxing VP8 streams altogether until a new version does */
6521 av_log(s, AV_LOG_ERROR, "VP8 muxing is currently not supported.\n");
6522 return AVERROR_PATCHWELCOME;
6524 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
6525 track->timescale = st->codecpar->sample_rate;
6526 if (!st->codecpar->frame_size && !av_get_bits_per_sample(st->codecpar->codec_id)) {
6527 av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i);
6528 track->audio_vbr = 1;
6529 }else if (st->codecpar->codec_id == AV_CODEC_ID_ADPCM_MS ||
6530 st->codecpar->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
6531 st->codecpar->codec_id == AV_CODEC_ID_ILBC){
6532 if (!st->codecpar->block_align) {
6533 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
6534 return AVERROR(EINVAL);
6536 track->sample_size = st->codecpar->block_align;
6537 }else if (st->codecpar->frame_size > 1){ /* assume compressed audio */
6538 track->audio_vbr = 1;
6540 track->sample_size = (av_get_bits_per_sample(st->codecpar->codec_id) >> 3) * st->codecpar->channels;
6542 if (st->codecpar->codec_id == AV_CODEC_ID_ILBC ||
6543 st->codecpar->codec_id == AV_CODEC_ID_ADPCM_IMA_QT) {
6544 track->audio_vbr = 1;
6546 if (track->mode != MODE_MOV &&
6547 track->par->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
6548 if (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL) {
6549 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not standard, to mux anyway set strict to -1\n",
6550 i, track->par->sample_rate);
6551 return AVERROR(EINVAL);
6553 av_log(s, AV_LOG_WARNING, "track %d: muxing mp3 at %dhz is not standard in MP4\n",
6554 i, track->par->sample_rate);
6557 if (track->par->codec_id == AV_CODEC_ID_FLAC ||
6558 track->par->codec_id == AV_CODEC_ID_TRUEHD ||
6559 track->par->codec_id == AV_CODEC_ID_OPUS) {
6560 if (track->mode != MODE_MP4) {
6561 av_log(s, AV_LOG_ERROR, "%s only supported in MP4.\n", avcodec_get_name(track->par->codec_id));
6562 return AVERROR(EINVAL);
6564 if (track->par->codec_id != AV_CODEC_ID_OPUS &&
6565 s->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
6566 av_log(s, AV_LOG_ERROR,
6567 "%s in MP4 support is experimental, add "
6568 "'-strict %d' if you want to use it.\n",
6569 avcodec_get_name(track->par->codec_id), FF_COMPLIANCE_EXPERIMENTAL);
6570 return AVERROR_EXPERIMENTAL;
6573 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) {
6574 track->timescale = st->time_base.den;
6575 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_DATA) {
6576 track->timescale = st->time_base.den;
6578 track->timescale = MOV_TIMESCALE;
6581 track->height = st->codecpar->height;
6582 /* The Protected Interoperable File Format (PIFF) standard, used by ISMV recommends but
6583 doesn't mandate a track timescale of 10,000,000. The muxer allows a custom timescale
6584 for video tracks, so if user-set, it isn't overwritten */
6585 if (mov->mode == MODE_ISM &&
6586 (st->codecpar->codec_type != AVMEDIA_TYPE_VIDEO ||
6587 (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO && !mov->video_track_timescale))) {
6588 track->timescale = 10000000;
6591 avpriv_set_pts_info(st, 64, 1, track->timescale);
6593 if (mov->encryption_scheme == MOV_ENC_CENC_AES_CTR) {
6594 ret = ff_mov_cenc_init(&track->cenc, mov->encryption_key,
6595 track->par->codec_id == AV_CODEC_ID_H264, s->flags & AVFMT_FLAG_BITEXACT);
6605 static int mov_write_header(AVFormatContext *s)
6607 AVIOContext *pb = s->pb;
6608 MOVMuxContext *mov = s->priv_data;
6609 AVDictionaryEntry *t, *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
6610 int i, ret, hint_track = 0, tmcd_track = 0, nb_tracks = s->nb_streams;
6612 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
6615 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6616 hint_track = nb_tracks;
6617 for (i = 0; i < s->nb_streams; i++)
6618 if (rtp_hinting_needed(s->streams[i]))
6622 if (mov->nb_meta_tmcd)
6623 tmcd_track = nb_tracks;
6625 for (i = 0; i < s->nb_streams; i++) {
6627 AVStream *st= s->streams[i];
6628 MOVTrack *track= &mov->tracks[i];
6630 /* copy extradata if it exists */
6631 if (st->codecpar->extradata_size) {
6632 if (st->codecpar->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
6633 mov_create_dvd_sub_decoder_specific_info(track, st);
6634 else if (!TAG_IS_AVCI(track->tag) && st->codecpar->codec_id != AV_CODEC_ID_DNXHD) {
6635 track->vos_len = st->codecpar->extradata_size;
6636 track->vos_data = av_malloc(track->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
6637 if (!track->vos_data) {
6638 return AVERROR(ENOMEM);
6640 memcpy(track->vos_data, st->codecpar->extradata, track->vos_len);
6641 memset(track->vos_data + track->vos_len, 0, AV_INPUT_BUFFER_PADDING_SIZE);
6645 if (st->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ||
6646 track->par->channel_layout != AV_CH_LAYOUT_MONO)
6649 for (j = 0; j < s->nb_streams; j++) {
6650 AVStream *stj= s->streams[j];
6651 MOVTrack *trackj= &mov->tracks[j];
6655 if (stj->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ||
6656 trackj->par->channel_layout != AV_CH_LAYOUT_MONO ||
6657 trackj->language != track->language ||
6658 trackj->tag != track->tag
6661 track->multichannel_as_mono++;
6665 if (!(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6666 if ((ret = mov_write_identification(pb, s)) < 0)
6670 if (mov->reserved_moov_size){
6671 mov->reserved_header_pos = avio_tell(pb);
6672 if (mov->reserved_moov_size > 0)
6673 avio_skip(pb, mov->reserved_moov_size);
6676 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
6677 /* If no fragmentation options have been set, set a default. */
6678 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
6679 FF_MOV_FLAG_FRAG_CUSTOM |
6680 FF_MOV_FLAG_FRAG_EVERY_FRAME)) &&
6681 !mov->max_fragment_duration && !mov->max_fragment_size)
6682 mov->flags |= FF_MOV_FLAG_FRAG_KEYFRAME;
6684 if (mov->flags & FF_MOV_FLAG_FASTSTART)
6685 mov->reserved_header_pos = avio_tell(pb);
6686 mov_write_mdat_tag(pb, mov);
6689 ff_parse_creation_time_metadata(s, &mov->time, 1);
6691 mov->time += 0x7C25B080; // 1970 based -> 1904 based
6693 if (mov->chapter_track)
6694 if ((ret = mov_create_chapter_track(s, mov->chapter_track)) < 0)
6697 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6698 for (i = 0; i < s->nb_streams; i++) {
6699 if (rtp_hinting_needed(s->streams[i])) {
6700 if ((ret = ff_mov_init_hinting(s, hint_track, i)) < 0)
6707 if (mov->nb_meta_tmcd) {
6708 /* Initialize the tmcd tracks */
6709 for (i = 0; i < s->nb_streams; i++) {
6710 AVStream *st = s->streams[i];
6713 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
6716 t = av_dict_get(st->metadata, "timecode", NULL, 0);
6719 if (mov_check_timecode_track(s, &tc, i, t->value) < 0)
6721 if ((ret = mov_create_timecode_track(s, tmcd_track, i, tc)) < 0)
6730 if (mov->flags & FF_MOV_FLAG_ISML)
6731 mov_write_isml_manifest(pb, mov, s);
6733 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
6734 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6735 if ((ret = mov_write_moov_tag(pb, mov, s)) < 0)
6737 mov->moov_written = 1;
6738 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
6739 mov->reserved_header_pos = avio_tell(pb);
6745 static int get_moov_size(AVFormatContext *s)
6748 AVIOContext *moov_buf;
6749 MOVMuxContext *mov = s->priv_data;
6751 if ((ret = ffio_open_null_buf(&moov_buf)) < 0)
6753 if ((ret = mov_write_moov_tag(moov_buf, mov, s)) < 0)
6755 return ffio_close_null_buf(moov_buf);
6758 static int get_sidx_size(AVFormatContext *s)
6762 MOVMuxContext *mov = s->priv_data;
6764 if ((ret = ffio_open_null_buf(&buf)) < 0)
6766 mov_write_sidx_tags(buf, mov, -1, 0);
6767 return ffio_close_null_buf(buf);
6771 * This function gets the moov size if moved to the top of the file: the chunk
6772 * offset table can switch between stco (32-bit entries) to co64 (64-bit
6773 * entries) when the moov is moved to the beginning, so the size of the moov
6774 * would change. It also updates the chunk offset tables.
6776 static int compute_moov_size(AVFormatContext *s)
6778 int i, moov_size, moov_size2;
6779 MOVMuxContext *mov = s->priv_data;
6781 moov_size = get_moov_size(s);
6785 for (i = 0; i < mov->nb_streams; i++)
6786 mov->tracks[i].data_offset += moov_size;
6788 moov_size2 = get_moov_size(s);
6792 /* if the size changed, we just switched from stco to co64 and need to
6793 * update the offsets */
6794 if (moov_size2 != moov_size)
6795 for (i = 0; i < mov->nb_streams; i++)
6796 mov->tracks[i].data_offset += moov_size2 - moov_size;
6801 static int compute_sidx_size(AVFormatContext *s)
6804 MOVMuxContext *mov = s->priv_data;
6806 sidx_size = get_sidx_size(s);
6810 for (i = 0; i < mov->nb_streams; i++)
6811 mov->tracks[i].data_offset += sidx_size;
6816 static int shift_data(AVFormatContext *s)
6818 int ret = 0, moov_size;
6819 MOVMuxContext *mov = s->priv_data;
6820 int64_t pos, pos_end;
6821 uint8_t *buf, *read_buf[2];
6822 int read_buf_id = 0;
6824 AVIOContext *read_pb;
6826 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
6827 moov_size = compute_sidx_size(s);
6829 moov_size = compute_moov_size(s);
6833 buf = av_malloc(moov_size * 2);
6835 return AVERROR(ENOMEM);
6837 read_buf[1] = buf + moov_size;
6839 /* Shift the data: the AVIO context of the output can only be used for
6840 * writing, so we re-open the same output, but for reading. It also avoids
6841 * a read/seek/write/seek back and forth. */
6843 ret = s->io_open(s, &read_pb, s->url, AVIO_FLAG_READ, NULL);
6845 av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for "
6846 "the second pass (faststart)\n", s->url);
6850 /* mark the end of the shift to up to the last data we wrote, and get ready
6852 pos_end = avio_tell(s->pb);
6853 avio_seek(s->pb, mov->reserved_header_pos + moov_size, SEEK_SET);
6855 /* start reading at where the new moov will be placed */
6856 avio_seek(read_pb, mov->reserved_header_pos, SEEK_SET);
6857 pos = avio_tell(read_pb);
6859 #define READ_BLOCK do { \
6860 read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
6864 /* shift data by chunk of at most moov_size */
6869 n = read_size[read_buf_id];
6872 avio_write(s->pb, read_buf[read_buf_id], n);
6874 } while (pos < pos_end);
6875 ff_format_io_close(s, &read_pb);
6882 static int mov_write_trailer(AVFormatContext *s)
6884 MOVMuxContext *mov = s->priv_data;
6885 AVIOContext *pb = s->pb;
6890 if (mov->need_rewrite_extradata) {
6891 for (i = 0; i < s->nb_streams; i++) {
6892 MOVTrack *track = &mov->tracks[i];
6893 AVCodecParameters *par = track->par;
6895 track->vos_len = par->extradata_size;
6896 track->vos_data = av_malloc(track->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
6897 if (!track->vos_data)
6898 return AVERROR(ENOMEM);
6899 memcpy(track->vos_data, par->extradata, track->vos_len);
6900 memset(track->vos_data + track->vos_len, 0, AV_INPUT_BUFFER_PADDING_SIZE);
6902 mov->need_rewrite_extradata = 0;
6906 * Before actually writing the trailer, make sure that there are no
6907 * dangling subtitles, that need a terminating sample.
6909 for (i = 0; i < mov->nb_streams; i++) {
6910 MOVTrack *trk = &mov->tracks[i];
6911 if (trk->par->codec_id == AV_CODEC_ID_MOV_TEXT &&
6912 !trk->last_sample_is_subtitle_end) {
6913 mov_write_subtitle_end_packet(s, i, trk->track_duration);
6914 trk->last_sample_is_subtitle_end = 1;
6918 // If there were no chapters when the header was written, but there
6919 // are chapters now, write them in the trailer. This only works
6920 // when we are not doing fragments.
6921 if (!mov->chapter_track && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
6922 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters) {
6923 mov->chapter_track = mov->nb_streams++;
6924 if ((res = mov_create_chapter_track(s, mov->chapter_track)) < 0)
6929 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
6930 moov_pos = avio_tell(pb);
6932 /* Write size of mdat tag */
6933 if (mov->mdat_size + 8 <= UINT32_MAX) {
6934 avio_seek(pb, mov->mdat_pos, SEEK_SET);
6935 avio_wb32(pb, mov->mdat_size + 8);
6937 /* overwrite 'wide' placeholder atom */
6938 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
6939 /* special value: real atom size will be 64 bit value after
6942 ffio_wfourcc(pb, "mdat");
6943 avio_wb64(pb, mov->mdat_size + 16);
6945 avio_seek(pb, mov->reserved_moov_size > 0 ? mov->reserved_header_pos : moov_pos, SEEK_SET);
6947 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
6948 av_log(s, AV_LOG_INFO, "Starting second pass: moving the moov atom to the beginning of the file\n");
6949 res = shift_data(s);
6952 avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
6953 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6955 } else if (mov->reserved_moov_size > 0) {
6957 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6959 size = mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_header_pos);
6961 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
6962 return AVERROR(EINVAL);
6964 avio_wb32(pb, size);
6965 ffio_wfourcc(pb, "free");
6966 ffio_fill(pb, 0, size - 8);
6967 avio_seek(pb, moov_pos, SEEK_SET);
6969 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6974 mov_auto_flush_fragment(s, 1);
6975 for (i = 0; i < mov->nb_streams; i++)
6976 mov->tracks[i].data_offset = 0;
6977 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX) {
6979 av_log(s, AV_LOG_INFO, "Starting second pass: inserting sidx atoms\n");
6980 res = shift_data(s);
6983 end = avio_tell(pb);
6984 avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
6985 mov_write_sidx_tags(pb, mov, -1, 0);
6986 avio_seek(pb, end, SEEK_SET);
6988 if (!(mov->flags & FF_MOV_FLAG_SKIP_TRAILER)) {
6989 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_TRAILER);
6990 mov_write_mfra_tag(pb, mov);
6997 static int mov_check_bitstream(struct AVFormatContext *s, const AVPacket *pkt)
7000 AVStream *st = s->streams[pkt->stream_index];
7002 if (st->codecpar->codec_id == AV_CODEC_ID_AAC) {
7003 if (pkt->size > 2 && (AV_RB16(pkt->data) & 0xfff0) == 0xfff0)
7004 ret = ff_stream_add_bitstream_filter(st, "aac_adtstoasc", NULL);
7005 } else if (st->codecpar->codec_id == AV_CODEC_ID_VP9) {
7006 ret = ff_stream_add_bitstream_filter(st, "vp9_superframe", NULL);
7012 static const AVCodecTag codec_3gp_tags[] = {
7013 { AV_CODEC_ID_H263, MKTAG('s','2','6','3') },
7014 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
7015 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
7016 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
7017 { AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
7018 { AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
7019 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
7020 { AV_CODEC_ID_NONE, 0 },
7023 const AVCodecTag codec_mp4_tags[] = {
7024 { AV_CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
7025 { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') },
7026 { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '3') },
7027 { AV_CODEC_ID_HEVC, MKTAG('h', 'e', 'v', '1') },
7028 { AV_CODEC_ID_HEVC, MKTAG('h', 'v', 'c', '1') },
7029 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', '4', 'v') },
7030 { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', '4', 'v') },
7031 { AV_CODEC_ID_MJPEG, MKTAG('m', 'p', '4', 'v') },
7032 { AV_CODEC_ID_PNG, MKTAG('m', 'p', '4', 'v') },
7033 { AV_CODEC_ID_JPEG2000, MKTAG('m', 'p', '4', 'v') },
7034 { AV_CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') },
7035 { AV_CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
7036 { AV_CODEC_ID_TSCC2, MKTAG('m', 'p', '4', 'v') },
7037 { AV_CODEC_ID_VP9, MKTAG('v', 'p', '0', '9') },
7038 { AV_CODEC_ID_AV1, MKTAG('a', 'v', '0', '1') },
7039 { AV_CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
7040 { AV_CODEC_ID_MP4ALS, MKTAG('m', 'p', '4', 'a') },
7041 { AV_CODEC_ID_MP3, MKTAG('m', 'p', '4', 'a') },
7042 { AV_CODEC_ID_MP2, MKTAG('m', 'p', '4', 'a') },
7043 { AV_CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') },
7044 { AV_CODEC_ID_EAC3, MKTAG('e', 'c', '-', '3') },
7045 { AV_CODEC_ID_DTS, MKTAG('m', 'p', '4', 'a') },
7046 { AV_CODEC_ID_TRUEHD, MKTAG('m', 'l', 'p', 'a') },
7047 { AV_CODEC_ID_FLAC, MKTAG('f', 'L', 'a', 'C') },
7048 { AV_CODEC_ID_OPUS, MKTAG('O', 'p', 'u', 's') },
7049 { AV_CODEC_ID_VORBIS, MKTAG('m', 'p', '4', 'a') },
7050 { AV_CODEC_ID_QCELP, MKTAG('m', 'p', '4', 'a') },
7051 { AV_CODEC_ID_EVRC, MKTAG('m', 'p', '4', 'a') },
7052 { AV_CODEC_ID_DVD_SUBTITLE, MKTAG('m', 'p', '4', 's') },
7053 { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
7054 { AV_CODEC_ID_BIN_DATA, MKTAG('g', 'p', 'm', 'd') },
7055 { AV_CODEC_ID_MPEGH_3D_AUDIO, MKTAG('m', 'h', 'm', '1') },
7056 { AV_CODEC_ID_NONE, 0 },
7059 const AVCodecTag codec_ism_tags[] = {
7060 { AV_CODEC_ID_WMAPRO , MKTAG('w', 'm', 'a', ' ') },
7061 { AV_CODEC_ID_NONE , 0 },
7064 static const AVCodecTag codec_ipod_tags[] = {
7065 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
7066 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
7067 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
7068 { AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') },
7069 { AV_CODEC_ID_AC3, MKTAG('a','c','-','3') },
7070 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
7071 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
7072 { AV_CODEC_ID_NONE, 0 },
7075 static const AVCodecTag codec_f4v_tags[] = {
7076 { AV_CODEC_ID_MP3, MKTAG('.','m','p','3') },
7077 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
7078 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
7079 { AV_CODEC_ID_VP6A, MKTAG('V','P','6','A') },
7080 { AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') },
7081 { AV_CODEC_ID_NONE, 0 },
7084 #if CONFIG_MOV_MUXER
7086 AVOutputFormat ff_mov_muxer = {
7088 .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
7089 .extensions = "mov",
7090 .priv_data_size = sizeof(MOVMuxContext),
7091 .audio_codec = AV_CODEC_ID_AAC,
7092 .video_codec = CONFIG_LIBX264_ENCODER ?
7093 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
7095 .write_header = mov_write_header,
7096 .write_packet = mov_write_packet,
7097 .write_trailer = mov_write_trailer,
7099 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7100 .codec_tag = (const AVCodecTag* const []){
7101 ff_codec_movvideo_tags, ff_codec_movaudio_tags, ff_codec_movsubtitle_tags, 0
7103 .check_bitstream = mov_check_bitstream,
7104 .priv_class = &mov_muxer_class,
7107 #if CONFIG_TGP_MUXER
7109 AVOutputFormat ff_tgp_muxer = {
7111 .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
7112 .extensions = "3gp",
7113 .priv_data_size = sizeof(MOVMuxContext),
7114 .audio_codec = AV_CODEC_ID_AMR_NB,
7115 .video_codec = AV_CODEC_ID_H263,
7117 .write_header = mov_write_header,
7118 .write_packet = mov_write_packet,
7119 .write_trailer = mov_write_trailer,
7121 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7122 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
7123 .check_bitstream = mov_check_bitstream,
7124 .priv_class = &tgp_muxer_class,
7127 #if CONFIG_MP4_MUXER
7129 AVOutputFormat ff_mp4_muxer = {
7131 .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
7132 .mime_type = "video/mp4",
7133 .extensions = "mp4",
7134 .priv_data_size = sizeof(MOVMuxContext),
7135 .audio_codec = AV_CODEC_ID_AAC,
7136 .video_codec = CONFIG_LIBX264_ENCODER ?
7137 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
7139 .write_header = mov_write_header,
7140 .write_packet = mov_write_packet,
7141 .write_trailer = mov_write_trailer,
7143 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7144 .codec_tag = (const AVCodecTag* const []){ codec_mp4_tags, 0 },
7145 .check_bitstream = mov_check_bitstream,
7146 .priv_class = &mp4_muxer_class,
7149 #if CONFIG_PSP_MUXER
7151 AVOutputFormat ff_psp_muxer = {
7153 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
7154 .extensions = "mp4,psp",
7155 .priv_data_size = sizeof(MOVMuxContext),
7156 .audio_codec = AV_CODEC_ID_AAC,
7157 .video_codec = CONFIG_LIBX264_ENCODER ?
7158 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
7160 .write_header = mov_write_header,
7161 .write_packet = mov_write_packet,
7162 .write_trailer = mov_write_trailer,
7164 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7165 .codec_tag = (const AVCodecTag* const []){ codec_mp4_tags, 0 },
7166 .check_bitstream = mov_check_bitstream,
7167 .priv_class = &psp_muxer_class,
7170 #if CONFIG_TG2_MUXER
7172 AVOutputFormat ff_tg2_muxer = {
7174 .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
7175 .extensions = "3g2",
7176 .priv_data_size = sizeof(MOVMuxContext),
7177 .audio_codec = AV_CODEC_ID_AMR_NB,
7178 .video_codec = AV_CODEC_ID_H263,
7180 .write_header = mov_write_header,
7181 .write_packet = mov_write_packet,
7182 .write_trailer = mov_write_trailer,
7184 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7185 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
7186 .check_bitstream = mov_check_bitstream,
7187 .priv_class = &tg2_muxer_class,
7190 #if CONFIG_IPOD_MUXER
7192 AVOutputFormat ff_ipod_muxer = {
7194 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
7195 .mime_type = "video/mp4",
7196 .extensions = "m4v,m4a,m4b",
7197 .priv_data_size = sizeof(MOVMuxContext),
7198 .audio_codec = AV_CODEC_ID_AAC,
7199 .video_codec = AV_CODEC_ID_H264,
7201 .write_header = mov_write_header,
7202 .write_packet = mov_write_packet,
7203 .write_trailer = mov_write_trailer,
7205 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7206 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
7207 .check_bitstream = mov_check_bitstream,
7208 .priv_class = &ipod_muxer_class,
7211 #if CONFIG_ISMV_MUXER
7213 AVOutputFormat ff_ismv_muxer = {
7215 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
7216 .mime_type = "video/mp4",
7217 .extensions = "ismv,isma",
7218 .priv_data_size = sizeof(MOVMuxContext),
7219 .audio_codec = AV_CODEC_ID_AAC,
7220 .video_codec = AV_CODEC_ID_H264,
7222 .write_header = mov_write_header,
7223 .write_packet = mov_write_packet,
7224 .write_trailer = mov_write_trailer,
7226 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7227 .codec_tag = (const AVCodecTag* const []){
7228 codec_mp4_tags, codec_ism_tags, 0 },
7229 .check_bitstream = mov_check_bitstream,
7230 .priv_class = &ismv_muxer_class,
7233 #if CONFIG_F4V_MUXER
7235 AVOutputFormat ff_f4v_muxer = {
7237 .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
7238 .mime_type = "application/f4v",
7239 .extensions = "f4v",
7240 .priv_data_size = sizeof(MOVMuxContext),
7241 .audio_codec = AV_CODEC_ID_AAC,
7242 .video_codec = AV_CODEC_ID_H264,
7244 .write_header = mov_write_header,
7245 .write_packet = mov_write_packet,
7246 .write_trailer = mov_write_trailer,
7248 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
7249 .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 },
7250 .check_bitstream = mov_check_bitstream,
7251 .priv_class = &f4v_muxer_class,