3 * Copyright (c) 2003 Thomas Raivio
4 * Copyright (c) 2004 Gildas Bazin <gbazin at videolan dot org>
5 * Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
7 * This file is part of FFmpeg.
9 * FFmpeg is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
14 * FFmpeg is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with FFmpeg; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
29 #include "avio_internal.h"
35 #include "libavcodec/ac3_parser_internal.h"
36 #include "libavcodec/dnxhddata.h"
37 #include "libavcodec/flac.h"
38 #include "libavcodec/get_bits.h"
40 #include "libavcodec/internal.h"
41 #include "libavcodec/put_bits.h"
42 #include "libavcodec/vc1_common.h"
43 #include "libavcodec/raw.h"
45 #include "libavutil/avstring.h"
46 #include "libavutil/intfloat.h"
47 #include "libavutil/mathematics.h"
48 #include "libavutil/libm.h"
49 #include "libavutil/opt.h"
50 #include "libavutil/dict.h"
51 #include "libavutil/pixdesc.h"
52 #include "libavutil/stereo3d.h"
53 #include "libavutil/timecode.h"
54 #include "libavutil/dovi_meta.h"
55 #include "libavutil/color_utils.h"
61 static const AVOption options[] = {
62 { "movflags", "MOV muxer flags", offsetof(MOVMuxContext, flags), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
63 { "rtphint", "Add RTP hint tracks", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_RTP_HINT}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
64 { "moov_size", "maximum moov size so it can be placed at the begin", offsetof(MOVMuxContext, reserved_moov_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, 0 },
65 { "empty_moov", "Make the initial moov atom empty", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_EMPTY_MOOV}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
66 { "frag_keyframe", "Fragment at video keyframes", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FRAG_KEYFRAME}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
67 { "frag_every_frame", "Fragment at every frame", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FRAG_EVERY_FRAME}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
68 { "separate_moof", "Write separate moof/mdat atoms for each track", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_SEPARATE_MOOF}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
69 { "frag_custom", "Flush fragments on caller requests", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FRAG_CUSTOM}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
70 { "isml", "Create a live smooth streaming feed (for pushing to a publishing point)", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_ISML}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
71 { "faststart", "Run a second pass to put the index (moov atom) at the beginning of the file", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FASTSTART}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
72 { "omit_tfhd_offset", "Omit the base data offset in tfhd atoms", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_OMIT_TFHD_OFFSET}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
73 { "disable_chpl", "Disable Nero chapter atom", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_DISABLE_CHPL}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
74 { "default_base_moof", "Set the default-base-is-moof flag in tfhd atoms", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_DEFAULT_BASE_MOOF}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
75 { "dash", "Write DASH compatible fragmented MP4", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_DASH}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
76 { "cmaf", "Write CMAF compatible fragmented MP4", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_CMAF}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
77 { "frag_discont", "Signal that the next fragment is discontinuous from earlier ones", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FRAG_DISCONT}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
78 { "delay_moov", "Delay writing the initial moov until the first fragment is cut, or until the first fragment flush", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_DELAY_MOOV}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
79 { "global_sidx", "Write a global sidx index at the start of the file", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_GLOBAL_SIDX}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
80 { "skip_sidx", "Skip writing of sidx atom", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_SKIP_SIDX}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
81 { "write_colr", "Write colr atom even if the color info is unspecified (Experimental, may be renamed or changed, do not use from scripts)", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_WRITE_COLR}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
82 { "prefer_icc", "If writing colr atom prioritise usage of ICC profile if it exists in stream packet side data", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_PREFER_ICC}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
83 { "write_gama", "Write deprecated gama atom", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_WRITE_GAMA}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
84 { "use_metadata_tags", "Use mdta atom for metadata.", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_USE_MDTA}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
85 { "skip_trailer", "Skip writing the mfra/tfra/mfro trailer for fragmented files", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_SKIP_TRAILER}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
86 { "negative_cts_offsets", "Use negative CTS offsets (reducing the need for edit lists)", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
87 FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
88 { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
89 { "iods_audio_profile", "iods audio profile atom.", offsetof(MOVMuxContext, iods_audio_profile), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM},
90 { "iods_video_profile", "iods video profile atom.", offsetof(MOVMuxContext, iods_video_profile), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM},
91 { "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
92 { "min_frag_duration", "Minimum fragment duration", offsetof(MOVMuxContext, min_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
93 { "frag_size", "Maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
94 { "ism_lookahead", "Number of lookahead entries for ISM files", offsetof(MOVMuxContext, ism_lookahead), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
95 { "video_track_timescale", "set timescale of all video tracks", offsetof(MOVMuxContext, video_track_timescale), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
96 { "brand", "Override major brand", offsetof(MOVMuxContext, major_brand), AV_OPT_TYPE_STRING, {.str = NULL}, .flags = AV_OPT_FLAG_ENCODING_PARAM },
97 { "use_editlist", "use edit list", offsetof(MOVMuxContext, use_editlist), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM},
98 { "fragment_index", "Fragment number of the next fragment", offsetof(MOVMuxContext, fragments), AV_OPT_TYPE_INT, {.i64 = 1}, 1, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
99 { "mov_gamma", "gamma value for gama atom", offsetof(MOVMuxContext, gamma), AV_OPT_TYPE_FLOAT, {.dbl = 0.0 }, 0.0, 10, AV_OPT_FLAG_ENCODING_PARAM},
100 { "frag_interleave", "Interleave samples within fragments (max number of consecutive samples, lower is tighter interleaving, but with more overhead)", offsetof(MOVMuxContext, frag_interleave), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
101 { "encryption_scheme", "Configures the encryption scheme, allowed values are none, cenc-aes-ctr", offsetof(MOVMuxContext, encryption_scheme_str), AV_OPT_TYPE_STRING, {.str = NULL}, .flags = AV_OPT_FLAG_ENCODING_PARAM },
102 { "encryption_key", "The media encryption key (hex)", offsetof(MOVMuxContext, encryption_key), AV_OPT_TYPE_BINARY, .flags = AV_OPT_FLAG_ENCODING_PARAM },
103 { "encryption_kid", "The media encryption key identifier (hex)", offsetof(MOVMuxContext, encryption_kid), AV_OPT_TYPE_BINARY, .flags = AV_OPT_FLAG_ENCODING_PARAM },
104 { "use_stream_ids_as_track_ids", "use stream ids as track ids", offsetof(MOVMuxContext, use_stream_ids_as_track_ids), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
105 { "write_tmcd", "force or disable writing tmcd", offsetof(MOVMuxContext, write_tmcd), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM},
106 { "write_prft", "Write producer reference time box with specified time source", offsetof(MOVMuxContext, write_prft), AV_OPT_TYPE_INT, {.i64 = MOV_PRFT_NONE}, 0, MOV_PRFT_NB-1, AV_OPT_FLAG_ENCODING_PARAM, "prft"},
107 { "wallclock", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = MOV_PRFT_SRC_WALLCLOCK}, 0, 0, AV_OPT_FLAG_ENCODING_PARAM, "prft"},
108 { "pts", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = MOV_PRFT_SRC_PTS}, 0, 0, AV_OPT_FLAG_ENCODING_PARAM, "prft"},
109 { "empty_hdlr_name", "write zero-length name string in hdlr atoms within mdia and minf atoms", offsetof(MOVMuxContext, empty_hdlr_name), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
113 #define MOV_CLASS(flavor)\
114 static const AVClass flavor ## _muxer_class = {\
115 .class_name = #flavor " muxer",\
116 .item_name = av_default_item_name,\
118 .version = LIBAVUTIL_VERSION_INT,\
121 static int get_moov_size(AVFormatContext *s);
123 static int utf8len(const uint8_t *b)
128 GET_UTF8(val, *b++, return -1;)
134 //FIXME support 64 bit variant with wide placeholders
135 static int64_t update_size(AVIOContext *pb, int64_t pos)
137 int64_t curpos = avio_tell(pb);
138 avio_seek(pb, pos, SEEK_SET);
139 avio_wb32(pb, curpos - pos); /* rewrite size */
140 avio_seek(pb, curpos, SEEK_SET);
145 static int co64_required(const MOVTrack *track)
147 if (track->entry > 0 && track->cluster[track->entry - 1].pos + track->data_offset > UINT32_MAX)
152 static int is_cover_image(const AVStream *st)
154 /* Eg. AV_DISPOSITION_ATTACHED_PIC | AV_DISPOSITION_TIMED_THUMBNAILS
155 * is encoded as sparse video track */
156 return st && st->disposition == AV_DISPOSITION_ATTACHED_PIC;
159 static int rtp_hinting_needed(const AVStream *st)
161 /* Add hint tracks for each real audio and video stream */
162 if (is_cover_image(st))
164 return st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ||
165 st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO;
168 /* Chunk offset atom */
169 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
172 int mode64 = co64_required(track); // use 32 bit size variant if possible
173 int64_t pos = avio_tell(pb);
174 avio_wb32(pb, 0); /* size */
176 ffio_wfourcc(pb, "co64");
178 ffio_wfourcc(pb, "stco");
179 avio_wb32(pb, 0); /* version & flags */
180 avio_wb32(pb, track->chunkCount); /* entry count */
181 for (i = 0; i < track->entry; i++) {
182 if (!track->cluster[i].chunkNum)
185 avio_wb64(pb, track->cluster[i].pos + track->data_offset);
187 avio_wb32(pb, track->cluster[i].pos + track->data_offset);
189 return update_size(pb, pos);
192 /* Sample size atom */
193 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
196 int i, j, entries = 0, tst = -1, oldtst = -1;
198 int64_t pos = avio_tell(pb);
199 avio_wb32(pb, 0); /* size */
200 ffio_wfourcc(pb, "stsz");
201 avio_wb32(pb, 0); /* version & flags */
203 for (i = 0; i < track->entry; i++) {
204 tst = track->cluster[i].size / track->cluster[i].entries;
205 if (oldtst != -1 && tst != oldtst)
208 entries += track->cluster[i].entries;
210 if (equalChunks && track->entry) {
211 int sSize = track->entry ? track->cluster[0].size / track->cluster[0].entries : 0;
212 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
213 avio_wb32(pb, sSize); // sample size
214 avio_wb32(pb, entries); // sample count
216 avio_wb32(pb, 0); // sample size
217 avio_wb32(pb, entries); // sample count
218 for (i = 0; i < track->entry; i++) {
219 for (j = 0; j < track->cluster[i].entries; j++) {
220 avio_wb32(pb, track->cluster[i].size /
221 track->cluster[i].entries);
225 return update_size(pb, pos);
228 /* Sample to chunk atom */
229 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
231 int index = 0, oldval = -1, i;
232 int64_t entryPos, curpos;
234 int64_t pos = avio_tell(pb);
235 avio_wb32(pb, 0); /* size */
236 ffio_wfourcc(pb, "stsc");
237 avio_wb32(pb, 0); // version & flags
238 entryPos = avio_tell(pb);
239 avio_wb32(pb, track->chunkCount); // entry count
240 for (i = 0; i < track->entry; i++) {
241 if (oldval != track->cluster[i].samples_in_chunk && track->cluster[i].chunkNum) {
242 avio_wb32(pb, track->cluster[i].chunkNum); // first chunk
243 avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
244 avio_wb32(pb, 0x1); // sample description index
245 oldval = track->cluster[i].samples_in_chunk;
249 curpos = avio_tell(pb);
250 avio_seek(pb, entryPos, SEEK_SET);
251 avio_wb32(pb, index); // rewrite size
252 avio_seek(pb, curpos, SEEK_SET);
254 return update_size(pb, pos);
257 /* Sync sample atom */
258 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
260 int64_t curpos, entryPos;
262 int64_t pos = avio_tell(pb);
263 avio_wb32(pb, 0); // size
264 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
265 avio_wb32(pb, 0); // version & flags
266 entryPos = avio_tell(pb);
267 avio_wb32(pb, track->entry); // entry count
268 for (i = 0; i < track->entry; i++) {
269 if (track->cluster[i].flags & flag) {
270 avio_wb32(pb, i + 1);
274 curpos = avio_tell(pb);
275 avio_seek(pb, entryPos, SEEK_SET);
276 avio_wb32(pb, index); // rewrite size
277 avio_seek(pb, curpos, SEEK_SET);
278 return update_size(pb, pos);
281 /* Sample dependency atom */
282 static int mov_write_sdtp_tag(AVIOContext *pb, MOVTrack *track)
285 uint8_t leading, dependent, reference, redundancy;
286 int64_t pos = avio_tell(pb);
287 avio_wb32(pb, 0); // size
288 ffio_wfourcc(pb, "sdtp");
289 avio_wb32(pb, 0); // version & flags
290 for (i = 0; i < track->entry; i++) {
291 dependent = MOV_SAMPLE_DEPENDENCY_YES;
292 leading = reference = redundancy = MOV_SAMPLE_DEPENDENCY_UNKNOWN;
293 if (track->cluster[i].flags & MOV_DISPOSABLE_SAMPLE) {
294 reference = MOV_SAMPLE_DEPENDENCY_NO;
296 if (track->cluster[i].flags & MOV_SYNC_SAMPLE) {
297 dependent = MOV_SAMPLE_DEPENDENCY_NO;
299 avio_w8(pb, (leading << 6) | (dependent << 4) |
300 (reference << 2) | redundancy);
302 return update_size(pb, pos);
305 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
307 avio_wb32(pb, 0x11); /* size */
308 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
309 else ffio_wfourcc(pb, "damr");
310 ffio_wfourcc(pb, "FFMP");
311 avio_w8(pb, 0); /* decoder version */
313 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
314 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
315 avio_w8(pb, 0x01); /* Frames per sample */
319 static int mov_write_ac3_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
324 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
326 if (track->vos_len < 7) {
327 av_log(s, AV_LOG_ERROR,
328 "Cannot write moov atom before AC3 packets."
329 " Set the delay_moov flag to fix this.\n");
330 return AVERROR(EINVAL);
334 ffio_wfourcc(pb, "dac3");
336 init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
337 fscod = get_bits(&gbc, 2);
338 frmsizecod = get_bits(&gbc, 6);
339 bsid = get_bits(&gbc, 5);
340 bsmod = get_bits(&gbc, 3);
341 acmod = get_bits(&gbc, 3);
343 skip_bits(&gbc, 2); // dsurmod
345 if ((acmod & 1) && acmod != 1)
346 skip_bits(&gbc, 2); // cmixlev
348 skip_bits(&gbc, 2); // surmixlev
350 lfeon = get_bits1(&gbc);
352 init_put_bits(&pbc, buf, sizeof(buf));
353 put_bits(&pbc, 2, fscod);
354 put_bits(&pbc, 5, bsid);
355 put_bits(&pbc, 3, bsmod);
356 put_bits(&pbc, 3, acmod);
357 put_bits(&pbc, 1, lfeon);
358 put_bits(&pbc, 5, frmsizecod >> 1); // bit_rate_code
359 put_bits(&pbc, 5, 0); // reserved
361 flush_put_bits(&pbc);
362 avio_write(pb, buf, sizeof(buf));
372 /* Layout of the EC3SpecificBox */
373 /* maximum bitrate */
375 /* number of independent substreams */
378 /* sample rate code (see ff_ac3_sample_rate_tab) 2 bits */
380 /* bit stream identification 5 bits */
382 /* one bit reserved */
383 /* audio service mixing (not supported yet) 1 bit */
384 /* bit stream mode 3 bits */
386 /* audio coding mode 3 bits */
388 /* sub woofer on 1 bit */
390 /* 3 bits reserved */
391 /* number of dependent substreams associated with this substream 4 bits */
393 /* channel locations of the dependent substream(s), if any, 9 bits */
395 /* if there is no dependent substream, then one bit reserved instead */
396 } substream[1]; /* TODO: support 8 independent substreams */
399 #if CONFIG_AC3_PARSER
400 static int handle_eac3(MOVMuxContext *mov, AVPacket *pkt, MOVTrack *track)
402 AC3HeaderInfo *hdr = NULL;
403 struct eac3_info *info;
406 if (!track->eac3_priv && !(track->eac3_priv = av_mallocz(sizeof(*info))))
407 return AVERROR(ENOMEM);
408 info = track->eac3_priv;
410 if (!info->pkt && !(info->pkt = av_packet_alloc()))
411 return AVERROR(ENOMEM);
413 if (avpriv_ac3_parse_header(&hdr, pkt->data, pkt->size) < 0) {
414 /* drop the packets until we see a good one */
416 av_log(mov->fc, AV_LOG_WARNING, "Dropping invalid packet from start of the stream\n");
419 ret = AVERROR_INVALIDDATA;
423 info->data_rate = FFMAX(info->data_rate, hdr->bit_rate / 1000);
424 num_blocks = hdr->num_blocks;
426 if (!info->ec3_done) {
427 /* AC-3 substream must be the first one */
428 if (hdr->bitstream_id <= 10 && hdr->substreamid != 0) {
429 ret = AVERROR(EINVAL);
433 /* this should always be the case, given that our AC-3 parser
434 * concatenates dependent frames to their independent parent */
435 if (hdr->frame_type == EAC3_FRAME_TYPE_INDEPENDENT) {
436 /* substream ids must be incremental */
437 if (hdr->substreamid > info->num_ind_sub + 1) {
438 ret = AVERROR(EINVAL);
442 if (hdr->substreamid == info->num_ind_sub + 1) {
443 //info->num_ind_sub++;
444 avpriv_request_sample(mov->fc, "Multiple independent substreams");
445 ret = AVERROR_PATCHWELCOME;
447 } else if (hdr->substreamid < info->num_ind_sub ||
448 hdr->substreamid == 0 && info->substream[0].bsid) {
453 if (hdr->substreamid != 0) {
454 avpriv_request_sample(mov->fc, "Multiple non EAC3 independent substreams");
455 ret = AVERROR_PATCHWELCOME;
460 /* fill the info needed for the "dec3" atom */
461 info->substream[hdr->substreamid].fscod = hdr->sr_code;
462 info->substream[hdr->substreamid].bsid = hdr->bitstream_id;
463 info->substream[hdr->substreamid].bsmod = hdr->bitstream_mode;
464 info->substream[hdr->substreamid].acmod = hdr->channel_mode;
465 info->substream[hdr->substreamid].lfeon = hdr->lfe_on;
467 /* Parse dependent substream(s), if any */
468 if (pkt->size != hdr->frame_size) {
469 int cumul_size = hdr->frame_size;
470 int parent = hdr->substreamid;
472 while (cumul_size != pkt->size) {
475 ret = avpriv_ac3_parse_header(&hdr, pkt->data + cumul_size, pkt->size - cumul_size);
478 if (hdr->frame_type != EAC3_FRAME_TYPE_DEPENDENT) {
479 ret = AVERROR(EINVAL);
482 info->substream[parent].num_dep_sub++;
485 /* header is parsed up to lfeon, but custom channel map may be needed */
486 init_get_bits8(&gbc, pkt->data + cumul_size + ret, pkt->size - cumul_size - ret);
489 /* skip volume control params */
490 for (i = 0; i < (hdr->channel_mode ? 1 : 2); i++) {
491 skip_bits(&gbc, 5); // skip dialog normalization
492 if (get_bits1(&gbc)) {
493 skip_bits(&gbc, 8); // skip compression gain word
496 /* get the dependent stream channel map, if exists */
498 info->substream[parent].chan_loc |= (get_bits(&gbc, 16) >> 5) & 0x1f;
500 info->substream[parent].chan_loc |= hdr->channel_mode;
501 cumul_size += hdr->frame_size;
507 if (!info->num_blocks && num_blocks == 6) {
511 else if (info->num_blocks + num_blocks > 6) {
512 ret = AVERROR_INVALIDDATA;
516 if (!info->num_blocks) {
517 ret = av_packet_ref(info->pkt, pkt);
519 info->num_blocks = num_blocks;
522 if ((ret = av_grow_packet(info->pkt, pkt->size)) < 0)
524 memcpy(info->pkt->data + info->pkt->size - pkt->size, pkt->data, pkt->size);
525 info->num_blocks += num_blocks;
526 info->pkt->duration += pkt->duration;
527 if (info->num_blocks != 6)
529 av_packet_unref(pkt);
530 av_packet_move_ref(pkt, info->pkt);
531 info->num_blocks = 0;
542 static int mov_write_eac3_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
546 struct eac3_info *info;
549 if (!track->eac3_priv) {
550 av_log(s, AV_LOG_ERROR,
551 "Cannot write moov atom before EAC3 packets parsed.\n");
552 return AVERROR(EINVAL);
555 info = track->eac3_priv;
556 size = 2 + ((34 * (info->num_ind_sub + 1) + 7) >> 3);
557 buf = av_malloc(size);
559 return AVERROR(ENOMEM);
562 init_put_bits(&pbc, buf, size);
563 put_bits(&pbc, 13, info->data_rate);
564 put_bits(&pbc, 3, info->num_ind_sub);
565 for (i = 0; i <= info->num_ind_sub; i++) {
566 put_bits(&pbc, 2, info->substream[i].fscod);
567 put_bits(&pbc, 5, info->substream[i].bsid);
568 put_bits(&pbc, 1, 0); /* reserved */
569 put_bits(&pbc, 1, 0); /* asvc */
570 put_bits(&pbc, 3, info->substream[i].bsmod);
571 put_bits(&pbc, 3, info->substream[i].acmod);
572 put_bits(&pbc, 1, info->substream[i].lfeon);
573 put_bits(&pbc, 5, 0); /* reserved */
574 put_bits(&pbc, 4, info->substream[i].num_dep_sub);
575 if (!info->substream[i].num_dep_sub) {
576 put_bits(&pbc, 1, 0); /* reserved */
578 put_bits(&pbc, 9, info->substream[i].chan_loc);
581 flush_put_bits(&pbc);
582 size = put_bytes_output(&pbc);
584 avio_wb32(pb, size + 8);
585 ffio_wfourcc(pb, "dec3");
586 avio_write(pb, buf, size);
594 * This function writes extradata "as is".
595 * Extradata must be formatted like a valid atom (with size and tag).
597 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
599 avio_write(pb, track->par->extradata, track->par->extradata_size);
600 return track->par->extradata_size;
603 static int mov_write_enda_tag(AVIOContext *pb)
606 ffio_wfourcc(pb, "enda");
607 avio_wb16(pb, 1); /* little endian */
611 static int mov_write_enda_tag_be(AVIOContext *pb)
614 ffio_wfourcc(pb, "enda");
615 avio_wb16(pb, 0); /* big endian */
619 static void put_descr(AVIOContext *pb, int tag, unsigned int size)
624 avio_w8(pb, (size >> (7 * i)) | 0x80);
625 avio_w8(pb, size & 0x7F);
628 static unsigned compute_avg_bitrate(MOVTrack *track)
632 if (!track->track_duration)
634 for (i = 0; i < track->entry; i++)
635 size += track->cluster[i].size;
636 return size * 8 * track->timescale / track->track_duration;
639 struct mpeg4_bit_rate_values {
640 uint32_t buffer_size; ///< Size of the decoding buffer for the elementary stream in bytes.
641 uint32_t max_bit_rate; ///< Maximum rate in bits/second over any window of one second.
642 uint32_t avg_bit_rate; ///< Average rate in bits/second over the entire presentation.
645 static struct mpeg4_bit_rate_values calculate_mpeg4_bit_rates(MOVTrack *track)
647 AVCPBProperties *props = track->st ?
648 (AVCPBProperties*)av_stream_get_side_data(track->st,
649 AV_PKT_DATA_CPB_PROPERTIES,
652 struct mpeg4_bit_rate_values bit_rates = { 0 };
654 bit_rates.avg_bit_rate = compute_avg_bitrate(track);
655 if (!bit_rates.avg_bit_rate) {
656 // if the average bit rate cannot be calculated at this point, such as
657 // in the case of fragmented MP4, utilize the following values as
658 // fall-back in priority order:
660 // 1. average bit rate property
661 // 2. bit rate (usually average over the whole clip)
662 // 3. maximum bit rate property
664 if (props && props->avg_bitrate) {
665 bit_rates.avg_bit_rate = props->avg_bitrate;
666 } else if (track->par->bit_rate) {
667 bit_rates.avg_bit_rate = track->par->bit_rate;
668 } else if (props && props->max_bitrate) {
669 bit_rates.avg_bit_rate = props->max_bitrate;
673 // (FIXME should be max rate in any 1 sec window)
674 bit_rates.max_bit_rate = FFMAX(track->par->bit_rate,
675 bit_rates.avg_bit_rate);
677 // utilize values from properties if we have them available
679 bit_rates.max_bit_rate = FFMAX(bit_rates.max_bit_rate,
681 bit_rates.buffer_size = props->buffer_size / 8;
687 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
689 struct mpeg4_bit_rate_values bit_rates = calculate_mpeg4_bit_rates(track);
690 int64_t pos = avio_tell(pb);
691 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
693 avio_wb32(pb, 0); // size
694 ffio_wfourcc(pb, "esds");
695 avio_wb32(pb, 0); // Version
698 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
699 avio_wb16(pb, track->track_id);
700 avio_w8(pb, 0x00); // flags (= no flags)
702 // DecoderConfig descriptor
703 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
705 // Object type indication
706 if ((track->par->codec_id == AV_CODEC_ID_MP2 ||
707 track->par->codec_id == AV_CODEC_ID_MP3) &&
708 track->par->sample_rate > 24000)
709 avio_w8(pb, 0x6B); // 11172-3
711 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->par->codec_id));
713 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
714 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
715 if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
716 avio_w8(pb, (0x38 << 2) | 1); // flags (= NeroSubpicStream)
717 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
718 avio_w8(pb, 0x15); // flags (= Audiostream)
720 avio_w8(pb, 0x11); // flags (= Visualstream)
722 avio_wb24(pb, bit_rates.buffer_size); // Buffersize DB
723 avio_wb32(pb, bit_rates.max_bit_rate); // maxbitrate
724 avio_wb32(pb, bit_rates.avg_bit_rate);
726 if (track->vos_len) {
727 // DecoderSpecific info descriptor
728 put_descr(pb, 0x05, track->vos_len);
729 avio_write(pb, track->vos_data, track->vos_len);
733 put_descr(pb, 0x06, 1);
735 return update_size(pb, pos);
738 static int mov_pcm_le_gt16(enum AVCodecID codec_id)
740 return codec_id == AV_CODEC_ID_PCM_S24LE ||
741 codec_id == AV_CODEC_ID_PCM_S32LE ||
742 codec_id == AV_CODEC_ID_PCM_F32LE ||
743 codec_id == AV_CODEC_ID_PCM_F64LE;
746 static int mov_pcm_be_gt16(enum AVCodecID codec_id)
748 return codec_id == AV_CODEC_ID_PCM_S24BE ||
749 codec_id == AV_CODEC_ID_PCM_S32BE ||
750 codec_id == AV_CODEC_ID_PCM_F32BE ||
751 codec_id == AV_CODEC_ID_PCM_F64BE;
754 static int mov_write_ms_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
757 int64_t pos = avio_tell(pb);
759 avio_wl32(pb, track->tag); // store it byteswapped
760 track->par->codec_tag = av_bswap16(track->tag >> 16);
761 if ((ret = ff_put_wav_header(s, pb, track->par, 0)) < 0)
763 return update_size(pb, pos);
766 static int mov_write_wfex_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
769 int64_t pos = avio_tell(pb);
771 ffio_wfourcc(pb, "wfex");
772 if ((ret = ff_put_wav_header(s, pb, track->st->codecpar, FF_PUT_WAV_HEADER_FORCE_WAVEFORMATEX)) < 0)
774 return update_size(pb, pos);
777 static int mov_write_dfla_tag(AVIOContext *pb, MOVTrack *track)
779 int64_t pos = avio_tell(pb);
781 ffio_wfourcc(pb, "dfLa");
782 avio_w8(pb, 0); /* version */
783 avio_wb24(pb, 0); /* flags */
785 /* Expect the encoder to pass a METADATA_BLOCK_TYPE_STREAMINFO. */
786 if (track->par->extradata_size != FLAC_STREAMINFO_SIZE)
787 return AVERROR_INVALIDDATA;
789 /* TODO: Write other METADATA_BLOCK_TYPEs if the encoder makes them available. */
790 avio_w8(pb, 1 << 7 | FLAC_METADATA_TYPE_STREAMINFO); /* LastMetadataBlockFlag << 7 | BlockType */
791 avio_wb24(pb, track->par->extradata_size); /* Length */
792 avio_write(pb, track->par->extradata, track->par->extradata_size); /* BlockData[Length] */
794 return update_size(pb, pos);
797 static int mov_write_dops_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
799 int64_t pos = avio_tell(pb);
800 int channels, channel_map;
802 ffio_wfourcc(pb, "dOps");
803 avio_w8(pb, 0); /* Version */
804 if (track->par->extradata_size < 19) {
805 av_log(s, AV_LOG_ERROR, "invalid extradata size\n");
806 return AVERROR_INVALIDDATA;
808 /* extradata contains an Ogg OpusHead, other than byte-ordering and
809 OpusHead's preceeding magic/version, OpusSpecificBox is currently
811 channels = AV_RB8(track->par->extradata + 9);
812 channel_map = AV_RB8(track->par->extradata + 18);
814 avio_w8(pb, channels); /* OuputChannelCount */
815 avio_wb16(pb, AV_RL16(track->par->extradata + 10)); /* PreSkip */
816 avio_wb32(pb, AV_RL32(track->par->extradata + 12)); /* InputSampleRate */
817 avio_wb16(pb, AV_RL16(track->par->extradata + 16)); /* OutputGain */
818 avio_w8(pb, channel_map); /* ChannelMappingFamily */
819 /* Write the rest of the header out without byte-swapping. */
821 if (track->par->extradata_size < 21 + channels) {
822 av_log(s, AV_LOG_ERROR, "invalid extradata size\n");
823 return AVERROR_INVALIDDATA;
825 avio_write(pb, track->par->extradata + 19, 2 + channels); /* ChannelMappingTable */
828 return update_size(pb, pos);
831 static int mov_write_dmlp_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
833 int64_t pos = avio_tell(pb);
836 ffio_wfourcc(pb, "dmlp");
838 if (track->vos_len < 20) {
839 av_log(s, AV_LOG_ERROR,
840 "Cannot write moov atom before TrueHD packets."
841 " Set the delay_moov flag to fix this.\n");
842 return AVERROR(EINVAL);
845 length = (AV_RB16(track->vos_data) & 0xFFF) * 2;
846 if (length < 20 || length > track->vos_len)
847 return AVERROR_INVALIDDATA;
849 // Only TrueHD is supported
850 if (AV_RB32(track->vos_data + 4) != 0xF8726FBA)
851 return AVERROR_INVALIDDATA;
853 avio_wb32(pb, AV_RB32(track->vos_data + 8)); /* format_info */
854 avio_wb16(pb, AV_RB16(track->vos_data + 18) << 1); /* peak_data_rate */
855 avio_wb32(pb, 0); /* reserved */
857 return update_size(pb, pos);
860 static int mov_write_chan_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
862 uint32_t layout_tag, bitmap;
863 int64_t pos = avio_tell(pb);
865 layout_tag = ff_mov_get_channel_layout_tag(track->par->codec_id,
866 track->par->channel_layout,
869 av_log(s, AV_LOG_WARNING, "not writing 'chan' tag due to "
870 "lack of channel information\n");
874 if (track->multichannel_as_mono)
877 avio_wb32(pb, 0); // Size
878 ffio_wfourcc(pb, "chan"); // Type
879 avio_w8(pb, 0); // Version
880 avio_wb24(pb, 0); // Flags
881 avio_wb32(pb, layout_tag); // mChannelLayoutTag
882 avio_wb32(pb, bitmap); // mChannelBitmap
883 avio_wb32(pb, 0); // mNumberChannelDescriptions
885 return update_size(pb, pos);
888 static int mov_write_wave_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
890 int64_t pos = avio_tell(pb);
892 avio_wb32(pb, 0); /* size */
893 ffio_wfourcc(pb, "wave");
895 if (track->par->codec_id != AV_CODEC_ID_QDM2) {
896 avio_wb32(pb, 12); /* size */
897 ffio_wfourcc(pb, "frma");
898 avio_wl32(pb, track->tag);
901 if (track->par->codec_id == AV_CODEC_ID_AAC) {
902 /* useless atom needed by mplayer, ipod, not needed by quicktime */
903 avio_wb32(pb, 12); /* size */
904 ffio_wfourcc(pb, "mp4a");
906 mov_write_esds_tag(pb, track);
907 } else if (mov_pcm_le_gt16(track->par->codec_id)) {
908 mov_write_enda_tag(pb);
909 } else if (mov_pcm_be_gt16(track->par->codec_id)) {
910 mov_write_enda_tag_be(pb);
911 } else if (track->par->codec_id == AV_CODEC_ID_AMR_NB) {
912 mov_write_amr_tag(pb, track);
913 } else if (track->par->codec_id == AV_CODEC_ID_AC3) {
914 mov_write_ac3_tag(s, pb, track);
915 } else if (track->par->codec_id == AV_CODEC_ID_EAC3) {
916 mov_write_eac3_tag(s, pb, track);
917 } else if (track->par->codec_id == AV_CODEC_ID_ALAC ||
918 track->par->codec_id == AV_CODEC_ID_QDM2) {
919 mov_write_extradata_tag(pb, track);
920 } else if (track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
921 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
922 mov_write_ms_tag(s, pb, track);
925 avio_wb32(pb, 8); /* size */
926 avio_wb32(pb, 0); /* null tag */
928 return update_size(pb, pos);
931 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
934 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
935 int unescaped_size, seq_found = 0;
936 int level = 0, interlace = 0;
937 int packet_seq = track->vc1_info.packet_seq;
938 int packet_entry = track->vc1_info.packet_entry;
939 int slices = track->vc1_info.slices;
942 if (track->start_dts == AV_NOPTS_VALUE) {
943 /* No packets written yet, vc1_info isn't authoritative yet. */
944 /* Assume inline sequence and entry headers. */
945 packet_seq = packet_entry = 1;
946 av_log(NULL, AV_LOG_WARNING,
947 "moov atom written before any packets, unable to write correct "
948 "dvc1 atom. Set the delay_moov flag to fix this.\n");
951 unescaped = av_mallocz(track->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
953 return AVERROR(ENOMEM);
954 start = find_next_marker(track->vos_data, end);
955 for (next = start; next < end; start = next) {
958 next = find_next_marker(start + 4, end);
959 size = next - start - 4;
962 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
963 init_get_bits(&gb, unescaped, 8 * unescaped_size);
964 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
965 int profile = get_bits(&gb, 2);
966 if (profile != PROFILE_ADVANCED) {
968 return AVERROR(ENOSYS);
971 level = get_bits(&gb, 3);
972 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
974 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
975 skip_bits(&gb, 1); /* broadcast */
976 interlace = get_bits1(&gb);
977 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
982 return AVERROR(ENOSYS);
985 init_put_bits(&pbc, buf, 7);
986 /* VC1DecSpecStruc */
987 put_bits(&pbc, 4, 12); /* profile - advanced */
988 put_bits(&pbc, 3, level);
989 put_bits(&pbc, 1, 0); /* reserved */
990 /* VC1AdvDecSpecStruc */
991 put_bits(&pbc, 3, level);
992 put_bits(&pbc, 1, 0); /* cbr */
993 put_bits(&pbc, 6, 0); /* reserved */
994 put_bits(&pbc, 1, !interlace); /* no interlace */
995 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
996 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
997 put_bits(&pbc, 1, !slices); /* no slice code */
998 put_bits(&pbc, 1, 0); /* no bframe */
999 put_bits(&pbc, 1, 0); /* reserved */
1002 if (track->st->avg_frame_rate.num > 0 && track->st->avg_frame_rate.den > 0)
1003 put_bits32(&pbc, track->st->avg_frame_rate.num / track->st->avg_frame_rate.den);
1005 put_bits32(&pbc, 0xffffffff);
1007 flush_put_bits(&pbc);
1014 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
1016 uint8_t buf[7] = { 0 };
1019 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
1022 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
1023 ffio_wfourcc(pb, "dvc1");
1024 avio_write(pb, buf, sizeof(buf));
1025 avio_write(pb, track->vos_data, track->vos_len);
1030 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
1032 avio_wb32(pb, track->vos_len + 8);
1033 ffio_wfourcc(pb, "glbl");
1034 avio_write(pb, track->vos_data, track->vos_len);
1035 return 8 + track->vos_len;
1039 * Compute flags for 'lpcm' tag.
1040 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
1042 static int mov_get_lpcm_flags(enum AVCodecID codec_id)
1045 case AV_CODEC_ID_PCM_F32BE:
1046 case AV_CODEC_ID_PCM_F64BE:
1048 case AV_CODEC_ID_PCM_F32LE:
1049 case AV_CODEC_ID_PCM_F64LE:
1051 case AV_CODEC_ID_PCM_U8:
1053 case AV_CODEC_ID_PCM_S16BE:
1054 case AV_CODEC_ID_PCM_S24BE:
1055 case AV_CODEC_ID_PCM_S32BE:
1057 case AV_CODEC_ID_PCM_S8:
1058 case AV_CODEC_ID_PCM_S16LE:
1059 case AV_CODEC_ID_PCM_S24LE:
1060 case AV_CODEC_ID_PCM_S32LE:
1067 static int get_cluster_duration(MOVTrack *track, int cluster_idx)
1071 if (cluster_idx >= track->entry)
1074 if (cluster_idx + 1 == track->entry)
1075 next_dts = track->track_duration + track->start_dts;
1077 next_dts = track->cluster[cluster_idx + 1].dts;
1079 next_dts -= track->cluster[cluster_idx].dts;
1081 av_assert0(next_dts >= 0);
1082 av_assert0(next_dts <= INT_MAX);
1087 static int get_samples_per_packet(MOVTrack *track)
1089 int i, first_duration;
1091 // return track->par->frame_size;
1093 /* use 1 for raw PCM */
1094 if (!track->audio_vbr)
1097 /* check to see if duration is constant for all clusters */
1100 first_duration = get_cluster_duration(track, 0);
1101 for (i = 1; i < track->entry; i++) {
1102 if (get_cluster_duration(track, i) != first_duration)
1105 return first_duration;
1108 static int mov_write_btrt_tag(AVIOContext *pb, MOVTrack *track)
1110 int64_t pos = avio_tell(pb);
1111 struct mpeg4_bit_rate_values bit_rates = calculate_mpeg4_bit_rates(track);
1112 if (!bit_rates.max_bit_rate && !bit_rates.avg_bit_rate &&
1113 !bit_rates.buffer_size)
1114 // no useful data to be written, skip
1117 avio_wb32(pb, 0); /* size */
1118 ffio_wfourcc(pb, "btrt");
1120 avio_wb32(pb, bit_rates.buffer_size);
1121 avio_wb32(pb, bit_rates.max_bit_rate);
1122 avio_wb32(pb, bit_rates.avg_bit_rate);
1124 return update_size(pb, pos);
1127 static int mov_write_audio_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
1129 int64_t pos = avio_tell(pb);
1131 uint32_t tag = track->tag;
1134 if (track->mode == MODE_MOV) {
1135 if (track->timescale > UINT16_MAX || !track->par->channels) {
1136 if (mov_get_lpcm_flags(track->par->codec_id))
1137 tag = AV_RL32("lpcm");
1139 } else if (track->audio_vbr || mov_pcm_le_gt16(track->par->codec_id) ||
1140 mov_pcm_be_gt16(track->par->codec_id) ||
1141 track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
1142 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
1143 track->par->codec_id == AV_CODEC_ID_QDM2) {
1148 avio_wb32(pb, 0); /* size */
1149 if (mov->encryption_scheme != MOV_ENC_NONE) {
1150 ffio_wfourcc(pb, "enca");
1152 avio_wl32(pb, tag); // store it byteswapped
1154 avio_wb32(pb, 0); /* Reserved */
1155 avio_wb16(pb, 0); /* Reserved */
1156 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
1158 /* SoundDescription */
1159 avio_wb16(pb, version); /* Version */
1160 avio_wb16(pb, 0); /* Revision level */
1161 avio_wb32(pb, 0); /* Reserved */
1166 avio_wb16(pb, 0xfffe);
1168 avio_wb32(pb, 0x00010000);
1170 avio_wb64(pb, av_double2int(track->par->sample_rate));
1171 avio_wb32(pb, track->par->channels);
1172 avio_wb32(pb, 0x7F000000);
1173 avio_wb32(pb, av_get_bits_per_sample(track->par->codec_id));
1174 avio_wb32(pb, mov_get_lpcm_flags(track->par->codec_id));
1175 avio_wb32(pb, track->sample_size);
1176 avio_wb32(pb, get_samples_per_packet(track));
1178 if (track->mode == MODE_MOV) {
1179 avio_wb16(pb, track->par->channels);
1180 if (track->par->codec_id == AV_CODEC_ID_PCM_U8 ||
1181 track->par->codec_id == AV_CODEC_ID_PCM_S8)
1182 avio_wb16(pb, 8); /* bits per sample */
1183 else if (track->par->codec_id == AV_CODEC_ID_ADPCM_G726)
1184 avio_wb16(pb, track->par->bits_per_coded_sample);
1187 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
1188 } else { /* reserved for mp4/3gp */
1189 if (track->par->codec_id == AV_CODEC_ID_FLAC ||
1190 track->par->codec_id == AV_CODEC_ID_ALAC ||
1191 track->par->codec_id == AV_CODEC_ID_OPUS) {
1192 avio_wb16(pb, track->par->channels);
1196 if (track->par->codec_id == AV_CODEC_ID_FLAC ||
1197 track->par->codec_id == AV_CODEC_ID_ALAC) {
1198 avio_wb16(pb, track->par->bits_per_raw_sample);
1205 avio_wb16(pb, 0); /* packet size (= 0) */
1206 if (track->par->codec_id == AV_CODEC_ID_OPUS)
1207 avio_wb16(pb, 48000);
1208 else if (track->par->codec_id == AV_CODEC_ID_TRUEHD)
1209 avio_wb32(pb, track->par->sample_rate);
1211 avio_wb16(pb, track->par->sample_rate <= UINT16_MAX ?
1212 track->par->sample_rate : 0);
1214 if (track->par->codec_id != AV_CODEC_ID_TRUEHD)
1215 avio_wb16(pb, 0); /* Reserved */
1218 if (version == 1) { /* SoundDescription V1 extended info */
1219 if (mov_pcm_le_gt16(track->par->codec_id) ||
1220 mov_pcm_be_gt16(track->par->codec_id))
1221 avio_wb32(pb, 1); /* must be 1 for uncompressed formats */
1223 avio_wb32(pb, track->par->frame_size); /* Samples per packet */
1224 avio_wb32(pb, track->sample_size / track->par->channels); /* Bytes per packet */
1225 avio_wb32(pb, track->sample_size); /* Bytes per frame */
1226 avio_wb32(pb, 2); /* Bytes per sample */
1229 if (track->mode == MODE_MOV &&
1230 (track->par->codec_id == AV_CODEC_ID_AAC ||
1231 track->par->codec_id == AV_CODEC_ID_AC3 ||
1232 track->par->codec_id == AV_CODEC_ID_EAC3 ||
1233 track->par->codec_id == AV_CODEC_ID_AMR_NB ||
1234 track->par->codec_id == AV_CODEC_ID_ALAC ||
1235 track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
1236 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
1237 track->par->codec_id == AV_CODEC_ID_QDM2 ||
1238 (mov_pcm_le_gt16(track->par->codec_id) && version==1) ||
1239 (mov_pcm_be_gt16(track->par->codec_id) && version==1)))
1240 ret = mov_write_wave_tag(s, pb, track);
1241 else if (track->tag == MKTAG('m','p','4','a'))
1242 ret = mov_write_esds_tag(pb, track);
1243 else if (track->par->codec_id == AV_CODEC_ID_AMR_NB)
1244 ret = mov_write_amr_tag(pb, track);
1245 else if (track->par->codec_id == AV_CODEC_ID_AC3)
1246 ret = mov_write_ac3_tag(s, pb, track);
1247 else if (track->par->codec_id == AV_CODEC_ID_EAC3)
1248 ret = mov_write_eac3_tag(s, pb, track);
1249 else if (track->par->codec_id == AV_CODEC_ID_ALAC)
1250 ret = mov_write_extradata_tag(pb, track);
1251 else if (track->par->codec_id == AV_CODEC_ID_WMAPRO)
1252 ret = mov_write_wfex_tag(s, pb, track);
1253 else if (track->par->codec_id == AV_CODEC_ID_FLAC)
1254 ret = mov_write_dfla_tag(pb, track);
1255 else if (track->par->codec_id == AV_CODEC_ID_OPUS)
1256 ret = mov_write_dops_tag(s, pb, track);
1257 else if (track->par->codec_id == AV_CODEC_ID_TRUEHD)
1258 ret = mov_write_dmlp_tag(s, pb, track);
1259 else if (track->vos_len > 0)
1260 ret = mov_write_glbl_tag(pb, track);
1265 if (track->mode == MODE_MOV && track->par->codec_type == AVMEDIA_TYPE_AUDIO
1266 && ((ret = mov_write_chan_tag(s, pb, track)) < 0)) {
1270 if (mov->encryption_scheme != MOV_ENC_NONE
1271 && ((ret = ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid)) < 0)) {
1275 if (track->mode == MODE_MP4 &&
1276 ((ret = mov_write_btrt_tag(pb, track)) < 0))
1279 ret = update_size(pb, pos);
1283 static int mov_write_d263_tag(AVIOContext *pb)
1285 avio_wb32(pb, 0xf); /* size */
1286 ffio_wfourcc(pb, "d263");
1287 ffio_wfourcc(pb, "FFMP");
1288 avio_w8(pb, 0); /* decoder version */
1289 /* FIXME use AVCodecContext level/profile, when encoder will set values */
1290 avio_w8(pb, 0xa); /* level */
1291 avio_w8(pb, 0); /* profile */
1295 static int mov_write_av1c_tag(AVIOContext *pb, MOVTrack *track)
1297 int64_t pos = avio_tell(pb);
1300 ffio_wfourcc(pb, "av1C");
1301 ff_isom_write_av1c(pb, track->vos_data, track->vos_len);
1302 return update_size(pb, pos);
1305 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
1307 int64_t pos = avio_tell(pb);
1310 ffio_wfourcc(pb, "avcC");
1311 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
1312 return update_size(pb, pos);
1315 static int mov_write_vpcc_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
1317 int64_t pos = avio_tell(pb);
1320 ffio_wfourcc(pb, "vpcC");
1321 avio_w8(pb, 1); /* version */
1322 avio_wb24(pb, 0); /* flags */
1323 ff_isom_write_vpcc(s, pb, track->par);
1324 return update_size(pb, pos);
1327 static int mov_write_hvcc_tag(AVIOContext *pb, MOVTrack *track)
1329 int64_t pos = avio_tell(pb);
1332 ffio_wfourcc(pb, "hvcC");
1333 if (track->tag == MKTAG('h','v','c','1'))
1334 ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 1);
1336 ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 0);
1337 return update_size(pb, pos);
1340 /* also used by all avid codecs (dv, imx, meridien) and their variants */
1341 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
1346 int display_width = track->par->width;
1348 if (track->vos_data && track->vos_len > 0x29) {
1349 if (ff_dnxhd_parse_header_prefix(track->vos_data) != 0) {
1350 /* looks like a DNxHD bit stream */
1351 interlaced = (track->vos_data[5] & 2);
1352 cid = AV_RB32(track->vos_data + 0x28);
1354 av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream in vos_data\n");
1358 av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream, vos_data too small\n");
1362 avio_wb32(pb, 24); /* size */
1363 ffio_wfourcc(pb, "ACLR");
1364 ffio_wfourcc(pb, "ACLR");
1365 ffio_wfourcc(pb, "0001");
1366 if (track->par->color_range == AVCOL_RANGE_MPEG || /* Legal range (16-235) */
1367 track->par->color_range == AVCOL_RANGE_UNSPECIFIED) {
1368 avio_wb32(pb, 1); /* Corresponds to 709 in official encoder */
1369 } else { /* Full range (0-255) */
1370 avio_wb32(pb, 2); /* Corresponds to RGB in official encoder */
1372 avio_wb32(pb, 0); /* unknown */
1374 if (track->tag == MKTAG('A','V','d','h')) {
1376 ffio_wfourcc(pb, "ADHR");
1377 ffio_wfourcc(pb, "0001");
1379 avio_wb32(pb, 0); /* unknown */
1380 avio_wb32(pb, 1); /* unknown */
1381 avio_wb32(pb, 0); /* unknown */
1382 avio_wb32(pb, 0); /* unknown */
1386 avio_wb32(pb, 24); /* size */
1387 ffio_wfourcc(pb, "APRG");
1388 ffio_wfourcc(pb, "APRG");
1389 ffio_wfourcc(pb, "0001");
1390 avio_wb32(pb, 1); /* unknown */
1391 avio_wb32(pb, 0); /* unknown */
1393 avio_wb32(pb, 120); /* size */
1394 ffio_wfourcc(pb, "ARES");
1395 ffio_wfourcc(pb, "ARES");
1396 ffio_wfourcc(pb, "0001");
1397 avio_wb32(pb, cid); /* dnxhd cid, some id ? */
1398 if ( track->par->sample_aspect_ratio.num > 0
1399 && track->par->sample_aspect_ratio.den > 0)
1400 display_width = display_width * track->par->sample_aspect_ratio.num / track->par->sample_aspect_ratio.den;
1401 avio_wb32(pb, display_width);
1402 /* values below are based on samples created with quicktime and avid codecs */
1404 avio_wb32(pb, track->par->height / 2);
1405 avio_wb32(pb, 2); /* unknown */
1406 avio_wb32(pb, 0); /* unknown */
1407 avio_wb32(pb, 4); /* unknown */
1409 avio_wb32(pb, track->par->height);
1410 avio_wb32(pb, 1); /* unknown */
1411 avio_wb32(pb, 0); /* unknown */
1412 if (track->par->height == 1080)
1413 avio_wb32(pb, 5); /* unknown */
1415 avio_wb32(pb, 6); /* unknown */
1418 for (i = 0; i < 10; i++)
1424 static int mov_write_dpxe_tag(AVIOContext *pb, MOVTrack *track)
1427 ffio_wfourcc(pb, "DpxE");
1428 if (track->par->extradata_size >= 12 &&
1429 !memcmp(&track->par->extradata[4], "DpxE", 4)) {
1430 avio_wb32(pb, track->par->extradata[11]);
1437 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
1441 if (track->par->width == 720) { /* SD */
1442 if (track->par->height == 480) { /* NTSC */
1443 if (track->par->format == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
1444 else tag = MKTAG('d','v','c',' ');
1445 }else if (track->par->format == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
1446 else if (track->par->format == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
1447 else tag = MKTAG('d','v','p','p');
1448 } else if (track->par->height == 720) { /* HD 720 line */
1449 if (track->st->time_base.den == 50) tag = MKTAG('d','v','h','q');
1450 else tag = MKTAG('d','v','h','p');
1451 } else if (track->par->height == 1080) { /* HD 1080 line */
1452 if (track->st->time_base.den == 25) tag = MKTAG('d','v','h','5');
1453 else tag = MKTAG('d','v','h','6');
1455 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
1462 static AVRational find_fps(AVFormatContext *s, AVStream *st)
1464 AVRational rate = st->avg_frame_rate;
1466 #if FF_API_LAVF_AVCTX
1467 FF_DISABLE_DEPRECATION_WARNINGS
1468 rate = av_inv_q(st->codec->time_base);
1469 if (av_timecode_check_frame_rate(rate) < 0) {
1470 av_log(s, AV_LOG_DEBUG, "timecode: tbc=%d/%d invalid, fallback on %d/%d\n",
1471 rate.num, rate.den, st->avg_frame_rate.num, st->avg_frame_rate.den);
1472 rate = st->avg_frame_rate;
1474 FF_ENABLE_DEPRECATION_WARNINGS
1480 static int defined_frame_rate(AVFormatContext *s, AVStream *st)
1482 AVRational rational_framerate = find_fps(s, st);
1484 if (rational_framerate.den != 0)
1485 rate = av_q2d(rational_framerate);
1489 static int mov_get_mpeg2_xdcam_codec_tag(AVFormatContext *s, MOVTrack *track)
1491 int tag = track->par->codec_tag;
1492 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1493 AVStream *st = track->st;
1494 int rate = defined_frame_rate(s, st);
1497 tag = MKTAG('m', '2', 'v', '1'); //fallback tag
1499 if (track->par->format == AV_PIX_FMT_YUV420P) {
1500 if (track->par->width == 1280 && track->par->height == 720) {
1502 if (rate == 24) tag = MKTAG('x','d','v','4');
1503 else if (rate == 25) tag = MKTAG('x','d','v','5');
1504 else if (rate == 30) tag = MKTAG('x','d','v','1');
1505 else if (rate == 50) tag = MKTAG('x','d','v','a');
1506 else if (rate == 60) tag = MKTAG('x','d','v','9');
1508 } else if (track->par->width == 1440 && track->par->height == 1080) {
1510 if (rate == 24) tag = MKTAG('x','d','v','6');
1511 else if (rate == 25) tag = MKTAG('x','d','v','7');
1512 else if (rate == 30) tag = MKTAG('x','d','v','8');
1514 if (rate == 25) tag = MKTAG('x','d','v','3');
1515 else if (rate == 30) tag = MKTAG('x','d','v','2');
1517 } else if (track->par->width == 1920 && track->par->height == 1080) {
1519 if (rate == 24) tag = MKTAG('x','d','v','d');
1520 else if (rate == 25) tag = MKTAG('x','d','v','e');
1521 else if (rate == 30) tag = MKTAG('x','d','v','f');
1523 if (rate == 25) tag = MKTAG('x','d','v','c');
1524 else if (rate == 30) tag = MKTAG('x','d','v','b');
1527 } else if (track->par->format == AV_PIX_FMT_YUV422P) {
1528 if (track->par->width == 1280 && track->par->height == 720) {
1530 if (rate == 24) tag = MKTAG('x','d','5','4');
1531 else if (rate == 25) tag = MKTAG('x','d','5','5');
1532 else if (rate == 30) tag = MKTAG('x','d','5','1');
1533 else if (rate == 50) tag = MKTAG('x','d','5','a');
1534 else if (rate == 60) tag = MKTAG('x','d','5','9');
1536 } else if (track->par->width == 1920 && track->par->height == 1080) {
1538 if (rate == 24) tag = MKTAG('x','d','5','d');
1539 else if (rate == 25) tag = MKTAG('x','d','5','e');
1540 else if (rate == 30) tag = MKTAG('x','d','5','f');
1542 if (rate == 25) tag = MKTAG('x','d','5','c');
1543 else if (rate == 30) tag = MKTAG('x','d','5','b');
1551 static int mov_get_h264_codec_tag(AVFormatContext *s, MOVTrack *track)
1553 int tag = track->par->codec_tag;
1554 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1555 AVStream *st = track->st;
1556 int rate = defined_frame_rate(s, st);
1559 tag = MKTAG('a', 'v', 'c', 'i'); //fallback tag
1561 if (track->par->format == AV_PIX_FMT_YUV420P10) {
1562 if (track->par->width == 960 && track->par->height == 720) {
1564 if (rate == 24) tag = MKTAG('a','i','5','p');
1565 else if (rate == 25) tag = MKTAG('a','i','5','q');
1566 else if (rate == 30) tag = MKTAG('a','i','5','p');
1567 else if (rate == 50) tag = MKTAG('a','i','5','q');
1568 else if (rate == 60) tag = MKTAG('a','i','5','p');
1570 } else if (track->par->width == 1440 && track->par->height == 1080) {
1572 if (rate == 24) tag = MKTAG('a','i','5','3');
1573 else if (rate == 25) tag = MKTAG('a','i','5','2');
1574 else if (rate == 30) tag = MKTAG('a','i','5','3');
1576 if (rate == 50) tag = MKTAG('a','i','5','5');
1577 else if (rate == 60) tag = MKTAG('a','i','5','6');
1580 } else if (track->par->format == AV_PIX_FMT_YUV422P10) {
1581 if (track->par->width == 1280 && track->par->height == 720) {
1583 if (rate == 24) tag = MKTAG('a','i','1','p');
1584 else if (rate == 25) tag = MKTAG('a','i','1','q');
1585 else if (rate == 30) tag = MKTAG('a','i','1','p');
1586 else if (rate == 50) tag = MKTAG('a','i','1','q');
1587 else if (rate == 60) tag = MKTAG('a','i','1','p');
1589 } else if (track->par->width == 1920 && track->par->height == 1080) {
1591 if (rate == 24) tag = MKTAG('a','i','1','3');
1592 else if (rate == 25) tag = MKTAG('a','i','1','2');
1593 else if (rate == 30) tag = MKTAG('a','i','1','3');
1595 if (rate == 25) tag = MKTAG('a','i','1','5');
1596 else if (rate == 50) tag = MKTAG('a','i','1','5');
1597 else if (rate == 60) tag = MKTAG('a','i','1','6');
1599 } else if ( track->par->width == 4096 && track->par->height == 2160
1600 || track->par->width == 3840 && track->par->height == 2160
1601 || track->par->width == 2048 && track->par->height == 1080) {
1602 tag = MKTAG('a','i','v','x');
1609 static const struct {
1610 enum AVPixelFormat pix_fmt;
1613 } mov_pix_fmt_tags[] = {
1614 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','2'), 0 },
1615 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
1616 { AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
1617 { AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
1618 { AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
1619 { AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
1620 { AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
1621 { AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
1622 { AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
1623 { AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
1624 { AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
1625 { AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
1626 { AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
1627 { AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
1628 { AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
1631 static int mov_get_dnxhd_codec_tag(AVFormatContext *s, MOVTrack *track)
1633 int tag = MKTAG('A','V','d','n');
1634 if (track->par->profile != FF_PROFILE_UNKNOWN &&
1635 track->par->profile != FF_PROFILE_DNXHD)
1636 tag = MKTAG('A','V','d','h');
1640 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
1642 int tag = track->par->codec_tag;
1644 enum AVPixelFormat pix_fmt;
1646 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
1647 if (track->par->format == mov_pix_fmt_tags[i].pix_fmt) {
1648 tag = mov_pix_fmt_tags[i].tag;
1649 track->par->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
1650 if (track->par->codec_tag == mov_pix_fmt_tags[i].tag)
1655 pix_fmt = avpriv_find_pix_fmt(avpriv_pix_fmt_bps_mov,
1656 track->par->bits_per_coded_sample);
1657 if (tag == MKTAG('r','a','w',' ') &&
1658 track->par->format != pix_fmt &&
1659 track->par->format != AV_PIX_FMT_GRAY8 &&
1660 track->par->format != AV_PIX_FMT_NONE)
1661 av_log(s, AV_LOG_ERROR, "%s rawvideo cannot be written to mov, output file will be unreadable\n",
1662 av_get_pix_fmt_name(track->par->format));
1666 static unsigned int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1668 unsigned int tag = track->par->codec_tag;
1670 // "rtp " is used to distinguish internally created RTP-hint tracks
1671 // (with rtp_ctx) from other tracks.
1672 if (tag == MKTAG('r','t','p',' '))
1674 if (!tag || (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
1675 (track->par->codec_id == AV_CODEC_ID_DVVIDEO ||
1676 track->par->codec_id == AV_CODEC_ID_RAWVIDEO ||
1677 track->par->codec_id == AV_CODEC_ID_H263 ||
1678 track->par->codec_id == AV_CODEC_ID_H264 ||
1679 track->par->codec_id == AV_CODEC_ID_DNXHD ||
1680 track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO ||
1681 av_get_bits_per_sample(track->par->codec_id)))) { // pcm audio
1682 if (track->par->codec_id == AV_CODEC_ID_DVVIDEO)
1683 tag = mov_get_dv_codec_tag(s, track);
1684 else if (track->par->codec_id == AV_CODEC_ID_RAWVIDEO)
1685 tag = mov_get_rawvideo_codec_tag(s, track);
1686 else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO)
1687 tag = mov_get_mpeg2_xdcam_codec_tag(s, track);
1688 else if (track->par->codec_id == AV_CODEC_ID_H264)
1689 tag = mov_get_h264_codec_tag(s, track);
1690 else if (track->par->codec_id == AV_CODEC_ID_DNXHD)
1691 tag = mov_get_dnxhd_codec_tag(s, track);
1692 else if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
1693 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->par->codec_id);
1694 if (!tag) { // if no mac fcc found, try with Microsoft tags
1695 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->par->codec_id);
1697 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
1698 "the file may be unplayable!\n");
1700 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
1701 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->par->codec_id);
1702 if (!tag) { // if no mac fcc found, try with Microsoft tags
1703 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->par->codec_id);
1705 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
1706 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
1707 "the file may be unplayable!\n");
1710 } else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)
1711 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->par->codec_id);
1717 static const AVCodecTag codec_cover_image_tags[] = {
1718 { AV_CODEC_ID_MJPEG, 0xD },
1719 { AV_CODEC_ID_PNG, 0xE },
1720 { AV_CODEC_ID_BMP, 0x1B },
1721 { AV_CODEC_ID_NONE, 0 },
1724 static unsigned int validate_codec_tag(const AVCodecTag *const *tags,
1725 unsigned int tag, int codec_id)
1730 * Check that tag + id is in the table
1732 for (i = 0; tags && tags[i]; i++) {
1733 const AVCodecTag *codec_tags = tags[i];
1734 while (codec_tags->id != AV_CODEC_ID_NONE) {
1735 if (avpriv_toupper4(codec_tags->tag) == avpriv_toupper4(tag) &&
1736 codec_tags->id == codec_id)
1737 return codec_tags->tag;
1744 static unsigned int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
1746 if (is_cover_image(track->st))
1747 return ff_codec_get_tag(codec_cover_image_tags, track->par->codec_id);
1749 if (track->mode == MODE_IPOD)
1750 if (!av_match_ext(s->url, "m4a") &&
1751 !av_match_ext(s->url, "m4v") &&
1752 !av_match_ext(s->url, "m4b"))
1753 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
1754 "Quicktime/Ipod might not play the file\n");
1756 if (track->mode == MODE_MOV) {
1757 return mov_get_codec_tag(s, track);
1759 return validate_codec_tag(s->oformat->codec_tag, track->par->codec_tag,
1760 track->par->codec_id);
1763 /** Write uuid atom.
1764 * Needed to make file play in iPods running newest firmware
1765 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
1767 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
1770 ffio_wfourcc(pb, "uuid");
1771 avio_wb32(pb, 0x6b6840f2);
1772 avio_wb32(pb, 0x5f244fc5);
1773 avio_wb32(pb, 0xba39a51b);
1774 avio_wb32(pb, 0xcf0323f3);
1779 static const uint16_t fiel_data[] = {
1780 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
1783 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track, int field_order)
1785 unsigned mov_field_order = 0;
1786 if (field_order < FF_ARRAY_ELEMS(fiel_data))
1787 mov_field_order = fiel_data[field_order];
1791 ffio_wfourcc(pb, "fiel");
1792 avio_wb16(pb, mov_field_order);
1796 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
1798 int ret = AVERROR_BUG;
1799 int64_t pos = avio_tell(pb);
1800 avio_wb32(pb, 0); /* size */
1801 avio_wl32(pb, track->tag); // store it byteswapped
1802 avio_wb32(pb, 0); /* Reserved */
1803 avio_wb16(pb, 0); /* Reserved */
1804 avio_wb16(pb, 1); /* Data-reference index */
1806 if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
1807 mov_write_esds_tag(pb, track);
1808 else if (track->par->extradata_size)
1809 avio_write(pb, track->par->extradata, track->par->extradata_size);
1811 if (track->mode == MODE_MP4 &&
1812 ((ret = mov_write_btrt_tag(pb, track)) < 0))
1815 return update_size(pb, pos);
1818 static int mov_write_st3d_tag(AVFormatContext *s, AVIOContext *pb, AVStereo3D *stereo_3d)
1822 if (stereo_3d->flags != 0) {
1823 av_log(s, AV_LOG_WARNING, "Unsupported stereo_3d flags %x. st3d not written.\n", stereo_3d->flags);
1827 switch (stereo_3d->type) {
1828 case AV_STEREO3D_2D:
1831 case AV_STEREO3D_TOPBOTTOM:
1834 case AV_STEREO3D_SIDEBYSIDE:
1838 av_log(s, AV_LOG_WARNING, "Unsupported stereo_3d type %s. st3d not written.\n", av_stereo3d_type_name(stereo_3d->type));
1841 avio_wb32(pb, 13); /* size */
1842 ffio_wfourcc(pb, "st3d");
1843 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1844 avio_w8(pb, stereo_mode);
1848 static int mov_write_sv3d_tag(AVFormatContext *s, AVIOContext *pb, AVSphericalMapping *spherical_mapping)
1850 int64_t sv3d_pos, svhd_pos, proj_pos;
1851 const char* metadata_source = s->flags & AVFMT_FLAG_BITEXACT ? "Lavf" : LIBAVFORMAT_IDENT;
1853 if (spherical_mapping->projection != AV_SPHERICAL_EQUIRECTANGULAR &&
1854 spherical_mapping->projection != AV_SPHERICAL_EQUIRECTANGULAR_TILE &&
1855 spherical_mapping->projection != AV_SPHERICAL_CUBEMAP) {
1856 av_log(s, AV_LOG_WARNING, "Unsupported projection %d. sv3d not written.\n", spherical_mapping->projection);
1860 sv3d_pos = avio_tell(pb);
1861 avio_wb32(pb, 0); /* size */
1862 ffio_wfourcc(pb, "sv3d");
1864 svhd_pos = avio_tell(pb);
1865 avio_wb32(pb, 0); /* size */
1866 ffio_wfourcc(pb, "svhd");
1867 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1868 avio_put_str(pb, metadata_source);
1869 update_size(pb, svhd_pos);
1871 proj_pos = avio_tell(pb);
1872 avio_wb32(pb, 0); /* size */
1873 ffio_wfourcc(pb, "proj");
1875 avio_wb32(pb, 24); /* size */
1876 ffio_wfourcc(pb, "prhd");
1877 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1878 avio_wb32(pb, spherical_mapping->yaw);
1879 avio_wb32(pb, spherical_mapping->pitch);
1880 avio_wb32(pb, spherical_mapping->roll);
1882 switch (spherical_mapping->projection) {
1883 case AV_SPHERICAL_EQUIRECTANGULAR:
1884 case AV_SPHERICAL_EQUIRECTANGULAR_TILE:
1885 avio_wb32(pb, 28); /* size */
1886 ffio_wfourcc(pb, "equi");
1887 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1888 avio_wb32(pb, spherical_mapping->bound_top);
1889 avio_wb32(pb, spherical_mapping->bound_bottom);
1890 avio_wb32(pb, spherical_mapping->bound_left);
1891 avio_wb32(pb, spherical_mapping->bound_right);
1893 case AV_SPHERICAL_CUBEMAP:
1894 avio_wb32(pb, 20); /* size */
1895 ffio_wfourcc(pb, "cbmp");
1896 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1897 avio_wb32(pb, 0); /* layout */
1898 avio_wb32(pb, spherical_mapping->padding); /* padding */
1901 update_size(pb, proj_pos);
1903 return update_size(pb, sv3d_pos);
1906 static int mov_write_dvcc_dvvc_tag(AVFormatContext *s, AVIOContext *pb, AVDOVIDecoderConfigurationRecord *dovi)
1908 avio_wb32(pb, 32); /* size = 8 + 24 */
1909 if (dovi->dv_profile > 7)
1910 ffio_wfourcc(pb, "dvvC");
1912 ffio_wfourcc(pb, "dvcC");
1913 avio_w8(pb, dovi->dv_version_major);
1914 avio_w8(pb, dovi->dv_version_minor);
1915 avio_wb16(pb, (dovi->dv_profile << 9) | (dovi->dv_level << 3) |
1916 (dovi->rpu_present_flag << 2) | (dovi->el_present_flag << 1) |
1917 dovi->bl_present_flag);
1918 avio_wb32(pb, (dovi->dv_bl_signal_compatibility_id << 28) | 0);
1920 avio_wb32(pb, 0); /* reserved */
1921 avio_wb32(pb, 0); /* reserved */
1922 avio_wb32(pb, 0); /* reserved */
1923 avio_wb32(pb, 0); /* reserved */
1924 av_log(s, AV_LOG_DEBUG, "DOVI in %s box, version: %d.%d, profile: %d, level: %d, "
1925 "rpu flag: %d, el flag: %d, bl flag: %d, compatibility id: %d\n",
1926 dovi->dv_profile > 7 ? "dvvC" : "dvcC",
1927 dovi->dv_version_major, dovi->dv_version_minor,
1928 dovi->dv_profile, dovi->dv_level,
1929 dovi->rpu_present_flag,
1930 dovi->el_present_flag,
1931 dovi->bl_present_flag,
1932 dovi->dv_bl_signal_compatibility_id);
1933 return 32; /* 8 + 24 */
1936 static int mov_write_clap_tag(AVIOContext *pb, MOVTrack *track)
1939 ffio_wfourcc(pb, "clap");
1940 avio_wb32(pb, track->par->width); /* apertureWidth_N */
1941 avio_wb32(pb, 1); /* apertureWidth_D (= 1) */
1942 avio_wb32(pb, track->height); /* apertureHeight_N */
1943 avio_wb32(pb, 1); /* apertureHeight_D (= 1) */
1944 avio_wb32(pb, 0); /* horizOff_N (= 0) */
1945 avio_wb32(pb, 1); /* horizOff_D (= 1) */
1946 avio_wb32(pb, 0); /* vertOff_N (= 0) */
1947 avio_wb32(pb, 1); /* vertOff_D (= 1) */
1951 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
1954 av_reduce(&sar.num, &sar.den, track->par->sample_aspect_ratio.num,
1955 track->par->sample_aspect_ratio.den, INT_MAX);
1958 ffio_wfourcc(pb, "pasp");
1959 avio_wb32(pb, sar.num);
1960 avio_wb32(pb, sar.den);
1964 static int mov_write_gama_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track, double gamma)
1968 gamma = avpriv_get_gamma_from_trc(track->par->color_trc);
1970 av_log(s, AV_LOG_DEBUG, "gamma value %g\n", gamma);
1973 gama = (uint32_t)lrint((double)(1<<16) * gamma);
1974 av_log(s, AV_LOG_DEBUG, "writing gama value %"PRId32"\n", gama);
1976 av_assert0(track->mode == MODE_MOV);
1978 ffio_wfourcc(pb, "gama");
1979 avio_wb32(pb, gama);
1982 av_log(s, AV_LOG_WARNING, "gamma value unknown, unable to write gama atom\n");
1987 static int mov_write_colr_tag(AVIOContext *pb, MOVTrack *track, int prefer_icc)
1989 int64_t pos = avio_tell(pb);
1991 // Ref (MOV): https://developer.apple.com/library/mac/technotes/tn2162/_index.html#//apple_ref/doc/uid/DTS40013070-CH1-TNTAG9
1992 // Ref (MP4): ISO/IEC 14496-12:2012
1994 const uint8_t *icc_profile;
1995 buffer_size_t icc_profile_size;
1998 icc_profile = av_stream_get_side_data(track->st, AV_PKT_DATA_ICC_PROFILE, &icc_profile_size);
2001 avio_wb32(pb, 12 + icc_profile_size);
2002 ffio_wfourcc(pb, "colr");
2003 ffio_wfourcc(pb, "prof");
2004 avio_write(pb, icc_profile, icc_profile_size);
2005 return 12 + icc_profile_size;
2008 av_log(NULL, AV_LOG_INFO, "no ICC profile found, will write nclx/nclc colour info instead\n");
2012 /* We should only ever be called by MOV or MP4. */
2013 av_assert0(track->mode == MODE_MOV || track->mode == MODE_MP4);
2015 avio_wb32(pb, 0); /* size */
2016 ffio_wfourcc(pb, "colr");
2017 if (track->mode == MODE_MP4)
2018 ffio_wfourcc(pb, "nclx");
2020 ffio_wfourcc(pb, "nclc");
2021 // Do not try to guess the color info if it is AVCOL_PRI_UNSPECIFIED.
2022 // e.g., Dolby Vision for Apple devices should be set to AVCOL_PRI_UNSPECIFIED. See
2023 // https://developer.apple.com/av-foundation/High-Dynamic-Range-Metadata-for-Apple-Devices.pdf
2024 avio_wb16(pb, track->par->color_primaries);
2025 avio_wb16(pb, track->par->color_trc);
2026 avio_wb16(pb, track->par->color_space);
2027 if (track->mode == MODE_MP4) {
2028 int full_range = track->par->color_range == AVCOL_RANGE_JPEG;
2029 avio_w8(pb, full_range << 7);
2032 return update_size(pb, pos);
2035 static int mov_write_clli_tag(AVIOContext *pb, MOVTrack *track)
2037 const uint8_t *side_data;
2038 const AVContentLightMetadata *content_light_metadata;
2040 side_data = av_stream_get_side_data(track->st, AV_PKT_DATA_CONTENT_LIGHT_LEVEL, NULL);
2044 content_light_metadata = (const AVContentLightMetadata*)side_data;
2046 avio_wb32(pb, 12); // size
2047 ffio_wfourcc(pb, "clli");
2048 avio_wb16(pb, content_light_metadata->MaxCLL);
2049 avio_wb16(pb, content_light_metadata->MaxFALL);
2053 static inline int64_t rescale_mdcv(AVRational q, int b)
2055 return av_rescale(q.num, b, q.den);
2058 static int mov_write_mdcv_tag(AVIOContext *pb, MOVTrack *track)
2060 const int chroma_den = 50000;
2061 const int luma_den = 10000;
2062 const uint8_t *side_data;
2063 const AVMasteringDisplayMetadata *metadata;
2065 side_data = av_stream_get_side_data(track->st, AV_PKT_DATA_MASTERING_DISPLAY_METADATA, NULL);
2066 metadata = (const AVMasteringDisplayMetadata*)side_data;
2067 if (!metadata || !metadata->has_primaries || !metadata->has_luminance) {
2071 avio_wb32(pb, 32); // size
2072 ffio_wfourcc(pb, "mdcv");
2073 avio_wb16(pb, rescale_mdcv(metadata->display_primaries[1][0], chroma_den));
2074 avio_wb16(pb, rescale_mdcv(metadata->display_primaries[1][1], chroma_den));
2075 avio_wb16(pb, rescale_mdcv(metadata->display_primaries[2][0], chroma_den));
2076 avio_wb16(pb, rescale_mdcv(metadata->display_primaries[2][1], chroma_den));
2077 avio_wb16(pb, rescale_mdcv(metadata->display_primaries[0][0], chroma_den));
2078 avio_wb16(pb, rescale_mdcv(metadata->display_primaries[0][1], chroma_den));
2079 avio_wb16(pb, rescale_mdcv(metadata->white_point[0], chroma_den));
2080 avio_wb16(pb, rescale_mdcv(metadata->white_point[1], chroma_den));
2081 avio_wb32(pb, rescale_mdcv(metadata->max_luminance, luma_den));
2082 avio_wb32(pb, rescale_mdcv(metadata->min_luminance, luma_den));
2086 static void find_compressor(char * compressor_name, int len, MOVTrack *track)
2088 AVDictionaryEntry *encoder;
2089 int xdcam_res = (track->par->width == 1280 && track->par->height == 720)
2090 || (track->par->width == 1440 && track->par->height == 1080)
2091 || (track->par->width == 1920 && track->par->height == 1080);
2093 if (track->mode == MODE_MOV &&
2094 (encoder = av_dict_get(track->st->metadata, "encoder", NULL, 0))) {
2095 av_strlcpy(compressor_name, encoder->value, 32);
2096 } else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO && xdcam_res) {
2097 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
2098 AVStream *st = track->st;
2099 int rate = defined_frame_rate(NULL, st);
2100 av_strlcatf(compressor_name, len, "XDCAM");
2101 if (track->par->format == AV_PIX_FMT_YUV422P) {
2102 av_strlcatf(compressor_name, len, " HD422");
2103 } else if(track->par->width == 1440) {
2104 av_strlcatf(compressor_name, len, " HD");
2106 av_strlcatf(compressor_name, len, " EX");
2108 av_strlcatf(compressor_name, len, " %d%c", track->par->height, interlaced ? 'i' : 'p');
2110 av_strlcatf(compressor_name, len, "%d", rate * (interlaced + 1));
2114 static int mov_write_video_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2116 int ret = AVERROR_BUG;
2117 int64_t pos = avio_tell(pb);
2118 char compressor_name[32] = { 0 };
2121 int uncompressed_ycbcr = ((track->par->codec_id == AV_CODEC_ID_RAWVIDEO && track->par->format == AV_PIX_FMT_UYVY422)
2122 || (track->par->codec_id == AV_CODEC_ID_RAWVIDEO && track->par->format == AV_PIX_FMT_YUYV422)
2123 || track->par->codec_id == AV_CODEC_ID_V308
2124 || track->par->codec_id == AV_CODEC_ID_V408
2125 || track->par->codec_id == AV_CODEC_ID_V410
2126 || track->par->codec_id == AV_CODEC_ID_V210);
2128 avio_wb32(pb, 0); /* size */
2129 if (mov->encryption_scheme != MOV_ENC_NONE) {
2130 ffio_wfourcc(pb, "encv");
2132 avio_wl32(pb, track->tag); // store it byteswapped
2134 avio_wb32(pb, 0); /* Reserved */
2135 avio_wb16(pb, 0); /* Reserved */
2136 avio_wb16(pb, 1); /* Data-reference index */
2138 if (uncompressed_ycbcr) {
2139 avio_wb16(pb, 2); /* Codec stream version */
2141 avio_wb16(pb, 0); /* Codec stream version */
2143 avio_wb16(pb, 0); /* Codec stream revision (=0) */
2144 if (track->mode == MODE_MOV) {
2145 ffio_wfourcc(pb, "FFMP"); /* Vendor */
2146 if (track->par->codec_id == AV_CODEC_ID_RAWVIDEO || uncompressed_ycbcr) {
2147 avio_wb32(pb, 0); /* Temporal Quality */
2148 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
2150 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
2151 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
2154 avio_wb32(pb, 0); /* Reserved */
2155 avio_wb32(pb, 0); /* Reserved */
2156 avio_wb32(pb, 0); /* Reserved */
2158 avio_wb16(pb, track->par->width); /* Video width */
2159 avio_wb16(pb, track->height); /* Video height */
2160 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
2161 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
2162 avio_wb32(pb, 0); /* Data size (= 0) */
2163 avio_wb16(pb, 1); /* Frame count (= 1) */
2165 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
2166 find_compressor(compressor_name, 32, track);
2167 avio_w8(pb, strlen(compressor_name));
2168 avio_write(pb, compressor_name, 31);
2170 if (track->mode == MODE_MOV &&
2171 (track->par->codec_id == AV_CODEC_ID_V410 || track->par->codec_id == AV_CODEC_ID_V210))
2172 avio_wb16(pb, 0x18);
2173 else if (track->mode == MODE_MOV && track->par->bits_per_coded_sample)
2174 avio_wb16(pb, track->par->bits_per_coded_sample |
2175 (track->par->format == AV_PIX_FMT_GRAY8 ? 0x20 : 0));
2177 avio_wb16(pb, 0x18); /* Reserved */
2179 if (track->mode == MODE_MOV && track->par->format == AV_PIX_FMT_PAL8) {
2180 int pal_size = 1 << track->par->bits_per_coded_sample;
2182 avio_wb16(pb, 0); /* Color table ID */
2183 avio_wb32(pb, 0); /* Color table seed */
2184 avio_wb16(pb, 0x8000); /* Color table flags */
2185 avio_wb16(pb, pal_size - 1); /* Color table size (zero-relative) */
2186 for (i = 0; i < pal_size; i++) {
2187 uint32_t rgb = track->palette[i];
2188 uint16_t r = (rgb >> 16) & 0xff;
2189 uint16_t g = (rgb >> 8) & 0xff;
2190 uint16_t b = rgb & 0xff;
2192 avio_wb16(pb, (r << 8) | r);
2193 avio_wb16(pb, (g << 8) | g);
2194 avio_wb16(pb, (b << 8) | b);
2197 avio_wb16(pb, 0xffff); /* Reserved */
2199 if (track->tag == MKTAG('m','p','4','v'))
2200 mov_write_esds_tag(pb, track);
2201 else if (track->par->codec_id == AV_CODEC_ID_H263)
2202 mov_write_d263_tag(pb);
2203 else if (track->par->codec_id == AV_CODEC_ID_AVUI ||
2204 track->par->codec_id == AV_CODEC_ID_SVQ3) {
2205 mov_write_extradata_tag(pb, track);
2207 } else if (track->par->codec_id == AV_CODEC_ID_DNXHD) {
2208 mov_write_avid_tag(pb, track);
2210 } else if (track->par->codec_id == AV_CODEC_ID_HEVC)
2211 mov_write_hvcc_tag(pb, track);
2212 else if (track->par->codec_id == AV_CODEC_ID_H264 && !TAG_IS_AVCI(track->tag)) {
2213 mov_write_avcc_tag(pb, track);
2214 if (track->mode == MODE_IPOD)
2215 mov_write_uuid_tag_ipod(pb);
2216 } else if (track->par->codec_id == AV_CODEC_ID_VP9) {
2217 mov_write_vpcc_tag(mov->fc, pb, track);
2218 } else if (track->par->codec_id == AV_CODEC_ID_AV1) {
2219 mov_write_av1c_tag(pb, track);
2220 } else if (track->par->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
2221 mov_write_dvc1_tag(pb, track);
2222 else if (track->par->codec_id == AV_CODEC_ID_VP6F ||
2223 track->par->codec_id == AV_CODEC_ID_VP6A) {
2224 /* Don't write any potential extradata here - the cropping
2225 * is signalled via the normal width/height fields. */
2226 } else if (track->par->codec_id == AV_CODEC_ID_R10K) {
2227 if (track->par->codec_tag == MKTAG('R','1','0','k'))
2228 mov_write_dpxe_tag(pb, track);
2229 } else if (track->vos_len > 0)
2230 mov_write_glbl_tag(pb, track);
2232 if (track->par->codec_id != AV_CODEC_ID_H264 &&
2233 track->par->codec_id != AV_CODEC_ID_MPEG4 &&
2234 track->par->codec_id != AV_CODEC_ID_DNXHD) {
2235 int field_order = track->par->field_order;
2237 #if FF_API_LAVF_AVCTX
2238 FF_DISABLE_DEPRECATION_WARNINGS
2239 if (field_order != track->st->codec->field_order && track->st->codec->field_order != AV_FIELD_UNKNOWN)
2240 field_order = track->st->codec->field_order;
2241 FF_ENABLE_DEPRECATION_WARNINGS
2244 if (field_order != AV_FIELD_UNKNOWN)
2245 mov_write_fiel_tag(pb, track, field_order);
2248 if (mov->flags & FF_MOV_FLAG_WRITE_GAMA) {
2249 if (track->mode == MODE_MOV)
2250 mov_write_gama_tag(s, pb, track, mov->gamma);
2252 av_log(mov->fc, AV_LOG_WARNING, "Not writing 'gama' atom. Format is not MOV.\n");
2254 if (track->mode == MODE_MOV || track->mode == MODE_MP4) {
2255 int has_color_info = track->par->color_primaries != AVCOL_PRI_UNSPECIFIED &&
2256 track->par->color_trc != AVCOL_TRC_UNSPECIFIED &&
2257 track->par->color_space != AVCOL_SPC_UNSPECIFIED;
2258 if (has_color_info || mov->flags & FF_MOV_FLAG_WRITE_COLR ||
2259 av_stream_get_side_data(track->st, AV_PKT_DATA_ICC_PROFILE, NULL)) {
2260 int prefer_icc = mov->flags & FF_MOV_FLAG_PREFER_ICC || !has_color_info;
2261 mov_write_colr_tag(pb, track, prefer_icc);
2262 } else if (mov->flags & FF_MOV_FLAG_WRITE_COLR) {
2263 av_log(mov->fc, AV_LOG_WARNING, "Not writing 'colr' atom. Format is not MOV or MP4.\n");
2266 if (track->mode == MODE_MOV || track->mode == MODE_MP4) {
2267 mov_write_clli_tag(pb, track);
2268 mov_write_mdcv_tag(pb, track);
2271 if (track->mode == MODE_MP4 && mov->fc->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
2272 AVStereo3D* stereo_3d = (AVStereo3D*) av_stream_get_side_data(track->st, AV_PKT_DATA_STEREO3D, NULL);
2273 AVSphericalMapping* spherical_mapping = (AVSphericalMapping*)av_stream_get_side_data(track->st, AV_PKT_DATA_SPHERICAL, NULL);
2274 AVDOVIDecoderConfigurationRecord *dovi = (AVDOVIDecoderConfigurationRecord *)
2275 av_stream_get_side_data(track->st, AV_PKT_DATA_DOVI_CONF, NULL);
2278 mov_write_st3d_tag(s, pb, stereo_3d);
2279 if (spherical_mapping)
2280 mov_write_sv3d_tag(mov->fc, pb, spherical_mapping);
2282 mov_write_dvcc_dvvc_tag(s, pb, dovi);
2285 if (track->par->sample_aspect_ratio.den && track->par->sample_aspect_ratio.num) {
2286 mov_write_pasp_tag(pb, track);
2289 if (uncompressed_ycbcr){
2290 mov_write_clap_tag(pb, track);
2293 if (mov->encryption_scheme != MOV_ENC_NONE) {
2294 ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid);
2297 if (track->mode == MODE_MP4 &&
2298 ((ret = mov_write_btrt_tag(pb, track)) < 0))
2301 /* extra padding for avid stsd */
2302 /* https://developer.apple.com/library/mac/documentation/QuickTime/QTFF/QTFFChap2/qtff2.html#//apple_ref/doc/uid/TP40000939-CH204-61112 */
2306 return update_size(pb, pos);
2309 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
2311 int64_t pos = avio_tell(pb);
2312 avio_wb32(pb, 0); /* size */
2313 ffio_wfourcc(pb, "rtp ");
2314 avio_wb32(pb, 0); /* Reserved */
2315 avio_wb16(pb, 0); /* Reserved */
2316 avio_wb16(pb, 1); /* Data-reference index */
2318 avio_wb16(pb, 1); /* Hint track version */
2319 avio_wb16(pb, 1); /* Highest compatible version */
2320 avio_wb32(pb, track->max_packet_size); /* Max packet size */
2322 avio_wb32(pb, 12); /* size */
2323 ffio_wfourcc(pb, "tims");
2324 avio_wb32(pb, track->timescale);
2326 return update_size(pb, pos);
2329 static int mov_write_source_reference_tag(AVIOContext *pb, MOVTrack *track, const char *reel_name)
2331 uint64_t str_size =strlen(reel_name);
2332 int64_t pos = avio_tell(pb);
2334 if (str_size >= UINT16_MAX){
2335 av_log(NULL, AV_LOG_ERROR, "reel_name length %"PRIu64" is too large\n", str_size);
2337 return AVERROR(EINVAL);
2340 avio_wb32(pb, 0); /* size */
2341 ffio_wfourcc(pb, "name"); /* Data format */
2342 avio_wb16(pb, str_size); /* string size */
2343 avio_wb16(pb, track->language); /* langcode */
2344 avio_write(pb, reel_name, str_size); /* reel name */
2345 return update_size(pb,pos);
2348 static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
2350 int64_t pos = avio_tell(pb);
2354 AVDictionaryEntry *t = NULL;
2356 if (!track->st->avg_frame_rate.num || !track->st->avg_frame_rate.den) {
2357 #if FF_API_LAVF_AVCTX
2358 FF_DISABLE_DEPRECATION_WARNINGS
2359 frame_duration = av_rescale(track->timescale, track->st->codec->time_base.num, track->st->codec->time_base.den);
2360 nb_frames = ROUNDED_DIV(track->st->codec->time_base.den, track->st->codec->time_base.num);
2361 FF_ENABLE_DEPRECATION_WARNINGS
2363 av_log(NULL, AV_LOG_ERROR, "avg_frame_rate not set for tmcd track.\n");
2364 return AVERROR(EINVAL);
2367 frame_duration = av_rescale(track->timescale, track->st->avg_frame_rate.den, track->st->avg_frame_rate.num);
2368 nb_frames = ROUNDED_DIV(track->st->avg_frame_rate.num, track->st->avg_frame_rate.den);
2371 if (nb_frames > 255) {
2372 av_log(NULL, AV_LOG_ERROR, "fps %d is too large\n", nb_frames);
2373 return AVERROR(EINVAL);
2376 avio_wb32(pb, 0); /* size */
2377 ffio_wfourcc(pb, "tmcd"); /* Data format */
2378 avio_wb32(pb, 0); /* Reserved */
2379 avio_wb32(pb, 1); /* Data reference index */
2380 avio_wb32(pb, 0); /* Flags */
2381 avio_wb32(pb, track->timecode_flags); /* Flags (timecode) */
2382 avio_wb32(pb, track->timescale); /* Timescale */
2383 avio_wb32(pb, frame_duration); /* Frame duration */
2384 avio_w8(pb, nb_frames); /* Number of frames */
2385 avio_w8(pb, 0); /* Reserved */
2387 t = av_dict_get(track->st->metadata, "reel_name", NULL, 0);
2388 if (t && utf8len(t->value) && track->mode != MODE_MP4)
2389 mov_write_source_reference_tag(pb, track, t->value);
2391 avio_wb16(pb, 0); /* zero size */
2394 avio_wb32(pb, 0); /* size */
2395 ffio_wfourcc(pb, "tmcd"); /* Data format */
2396 avio_wb32(pb, 0); /* Reserved */
2397 avio_wb32(pb, 1); /* Data reference index */
2398 if (track->par->extradata_size)
2399 avio_write(pb, track->par->extradata, track->par->extradata_size);
2401 return update_size(pb, pos);
2404 static int mov_write_gpmd_tag(AVIOContext *pb, const MOVTrack *track)
2406 int64_t pos = avio_tell(pb);
2407 avio_wb32(pb, 0); /* size */
2408 ffio_wfourcc(pb, "gpmd");
2409 avio_wb32(pb, 0); /* Reserved */
2410 avio_wb16(pb, 0); /* Reserved */
2411 avio_wb16(pb, 1); /* Data-reference index */
2412 avio_wb32(pb, 0); /* Reserved */
2413 return update_size(pb, pos);
2416 static int mov_write_stsd_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2418 int64_t pos = avio_tell(pb);
2420 avio_wb32(pb, 0); /* size */
2421 ffio_wfourcc(pb, "stsd");
2422 avio_wb32(pb, 0); /* version & flags */
2423 avio_wb32(pb, 1); /* entry count */
2424 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO)
2425 ret = mov_write_video_tag(s, pb, mov, track);
2426 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2427 ret = mov_write_audio_tag(s, pb, mov, track);
2428 else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)
2429 ret = mov_write_subtitle_tag(pb, track);
2430 else if (track->par->codec_tag == MKTAG('r','t','p',' '))
2431 ret = mov_write_rtp_tag(pb, track);
2432 else if (track->par->codec_tag == MKTAG('t','m','c','d'))
2433 ret = mov_write_tmcd_tag(pb, track);
2434 else if (track->par->codec_tag == MKTAG('g','p','m','d'))
2435 ret = mov_write_gpmd_tag(pb, track);
2440 return update_size(pb, pos);
2443 static int mov_write_ctts_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
2445 MOVMuxContext *mov = s->priv_data;
2446 MOVStts *ctts_entries;
2447 uint32_t entries = 0;
2451 ctts_entries = av_malloc_array((track->entry + 1), sizeof(*ctts_entries)); /* worst case */
2453 return AVERROR(ENOMEM);
2454 ctts_entries[0].count = 1;
2455 ctts_entries[0].duration = track->cluster[0].cts;
2456 for (i = 1; i < track->entry; i++) {
2457 if (track->cluster[i].cts == ctts_entries[entries].duration) {
2458 ctts_entries[entries].count++; /* compress */
2461 ctts_entries[entries].duration = track->cluster[i].cts;
2462 ctts_entries[entries].count = 1;
2465 entries++; /* last one */
2466 atom_size = 16 + (entries * 8);
2467 avio_wb32(pb, atom_size); /* size */
2468 ffio_wfourcc(pb, "ctts");
2469 if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
2470 avio_w8(pb, 1); /* version */
2472 avio_w8(pb, 0); /* version */
2473 avio_wb24(pb, 0); /* flags */
2474 avio_wb32(pb, entries); /* entry count */
2475 for (i = 0; i < entries; i++) {
2476 avio_wb32(pb, ctts_entries[i].count);
2477 avio_wb32(pb, ctts_entries[i].duration);
2479 av_free(ctts_entries);
2483 /* Time to sample atom */
2484 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
2486 MOVStts *stts_entries = NULL;
2487 uint32_t entries = -1;
2491 if (track->par->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
2492 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
2494 return AVERROR(ENOMEM);
2495 stts_entries[0].count = track->sample_count;
2496 stts_entries[0].duration = 1;
2500 stts_entries = av_malloc_array(track->entry, sizeof(*stts_entries)); /* worst case */
2502 return AVERROR(ENOMEM);
2504 for (i = 0; i < track->entry; i++) {
2505 int duration = get_cluster_duration(track, i);
2506 if (i && duration == stts_entries[entries].duration) {
2507 stts_entries[entries].count++; /* compress */
2510 stts_entries[entries].duration = duration;
2511 stts_entries[entries].count = 1;
2514 entries++; /* last one */
2516 atom_size = 16 + (entries * 8);
2517 avio_wb32(pb, atom_size); /* size */
2518 ffio_wfourcc(pb, "stts");
2519 avio_wb32(pb, 0); /* version & flags */
2520 avio_wb32(pb, entries); /* entry count */
2521 for (i = 0; i < entries; i++) {
2522 avio_wb32(pb, stts_entries[i].count);
2523 avio_wb32(pb, stts_entries[i].duration);
2525 av_free(stts_entries);
2529 static int mov_write_dref_tag(AVIOContext *pb)
2531 avio_wb32(pb, 28); /* size */
2532 ffio_wfourcc(pb, "dref");
2533 avio_wb32(pb, 0); /* version & flags */
2534 avio_wb32(pb, 1); /* entry count */
2536 avio_wb32(pb, 0xc); /* size */
2537 //FIXME add the alis and rsrc atom
2538 ffio_wfourcc(pb, "url ");
2539 avio_wb32(pb, 1); /* version & flags */
2544 static int mov_preroll_write_stbl_atoms(AVIOContext *pb, MOVTrack *track)
2548 int16_t roll_distance;
2549 int group_description_index;
2552 struct sgpd_entry *sgpd_entries = NULL;
2557 const int OPUS_SEEK_PREROLL_MS = 80;
2558 int roll_samples = av_rescale_q(OPUS_SEEK_PREROLL_MS,
2559 (AVRational){1, 1000},
2560 (AVRational){1, 48000});
2565 sgpd_entries = av_malloc_array(track->entry, sizeof(*sgpd_entries));
2567 return AVERROR(ENOMEM);
2569 av_assert0(track->par->codec_id == AV_CODEC_ID_OPUS || track->par->codec_id == AV_CODEC_ID_AAC);
2571 if (track->par->codec_id == AV_CODEC_ID_OPUS) {
2572 for (i = 0; i < track->entry; i++) {
2573 int roll_samples_remaining = roll_samples;
2575 for (j = i - 1; j >= 0; j--) {
2576 roll_samples_remaining -= get_cluster_duration(track, j);
2578 if (roll_samples_remaining <= 0)
2581 /* We don't have enough preceeding samples to compute a valid
2582 roll_distance here, so this sample can't be independently
2584 if (roll_samples_remaining > 0)
2586 /* Verify distance is a maximum of 32 (2.5ms) packets. */
2588 return AVERROR_INVALIDDATA;
2589 if (i && distance == sgpd_entries[entries].roll_distance) {
2590 sgpd_entries[entries].count++;
2593 sgpd_entries[entries].count = 1;
2594 sgpd_entries[entries].roll_distance = distance;
2595 sgpd_entries[entries].group_description_index = distance ? ++group : 0;
2600 sgpd_entries[entries].count = track->sample_count;
2601 sgpd_entries[entries].roll_distance = 1;
2602 sgpd_entries[entries].group_description_index = ++group;
2607 av_free(sgpd_entries);
2611 /* Write sgpd tag */
2612 avio_wb32(pb, 24 + (group * 2)); /* size */
2613 ffio_wfourcc(pb, "sgpd");
2614 avio_wb32(pb, 1 << 24); /* fullbox */
2615 ffio_wfourcc(pb, "roll");
2616 avio_wb32(pb, 2); /* default_length */
2617 avio_wb32(pb, group); /* entry_count */
2618 for (i = 0; i < entries; i++) {
2619 if (sgpd_entries[i].group_description_index) {
2620 avio_wb16(pb, -sgpd_entries[i].roll_distance); /* roll_distance */
2624 /* Write sbgp tag */
2625 avio_wb32(pb, 20 + (entries * 8)); /* size */
2626 ffio_wfourcc(pb, "sbgp");
2627 avio_wb32(pb, 0); /* fullbox */
2628 ffio_wfourcc(pb, "roll");
2629 avio_wb32(pb, entries); /* entry_count */
2630 for (i = 0; i < entries; i++) {
2631 avio_wb32(pb, sgpd_entries[i].count); /* sample_count */
2632 avio_wb32(pb, sgpd_entries[i].group_description_index); /* group_description_index */
2635 av_free(sgpd_entries);
2639 static int mov_write_stbl_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2641 int64_t pos = avio_tell(pb);
2644 avio_wb32(pb, 0); /* size */
2645 ffio_wfourcc(pb, "stbl");
2646 if ((ret = mov_write_stsd_tag(s, pb, mov, track)) < 0)
2648 mov_write_stts_tag(pb, track);
2649 if ((track->par->codec_type == AVMEDIA_TYPE_VIDEO ||
2650 track->par->codec_id == AV_CODEC_ID_TRUEHD ||
2651 track->par->codec_id == AV_CODEC_ID_MPEGH_3D_AUDIO ||
2652 track->par->codec_tag == MKTAG('r','t','p',' ')) &&
2653 track->has_keyframes && track->has_keyframes < track->entry)
2654 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
2655 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO && track->has_disposable)
2656 mov_write_sdtp_tag(pb, track);
2657 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
2658 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
2659 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO &&
2660 track->flags & MOV_TRACK_CTTS && track->entry) {
2662 if ((ret = mov_write_ctts_tag(s, pb, track)) < 0)
2665 mov_write_stsc_tag(pb, track);
2666 mov_write_stsz_tag(pb, track);
2667 mov_write_stco_tag(pb, track);
2668 if (track->cenc.aes_ctr) {
2669 ff_mov_cenc_write_stbl_atoms(&track->cenc, pb);
2671 if (track->par->codec_id == AV_CODEC_ID_OPUS || track->par->codec_id == AV_CODEC_ID_AAC) {
2672 mov_preroll_write_stbl_atoms(pb, track);
2674 return update_size(pb, pos);
2677 static int mov_write_dinf_tag(AVIOContext *pb)
2679 int64_t pos = avio_tell(pb);
2680 avio_wb32(pb, 0); /* size */
2681 ffio_wfourcc(pb, "dinf");
2682 mov_write_dref_tag(pb);
2683 return update_size(pb, pos);
2686 static int mov_write_nmhd_tag(AVIOContext *pb)
2689 ffio_wfourcc(pb, "nmhd");
2694 static int mov_write_tcmi_tag(AVIOContext *pb, MOVTrack *track)
2696 int64_t pos = avio_tell(pb);
2697 const char *font = "Lucida Grande";
2698 avio_wb32(pb, 0); /* size */
2699 ffio_wfourcc(pb, "tcmi"); /* timecode media information atom */
2700 avio_wb32(pb, 0); /* version & flags */
2701 avio_wb16(pb, 0); /* text font */
2702 avio_wb16(pb, 0); /* text face */
2703 avio_wb16(pb, 12); /* text size */
2704 avio_wb16(pb, 0); /* (unknown, not in the QT specs...) */
2705 avio_wb16(pb, 0x0000); /* text color (red) */
2706 avio_wb16(pb, 0x0000); /* text color (green) */
2707 avio_wb16(pb, 0x0000); /* text color (blue) */
2708 avio_wb16(pb, 0xffff); /* background color (red) */
2709 avio_wb16(pb, 0xffff); /* background color (green) */
2710 avio_wb16(pb, 0xffff); /* background color (blue) */
2711 avio_w8(pb, strlen(font)); /* font len (part of the pascal string) */
2712 avio_write(pb, font, strlen(font)); /* font name */
2713 return update_size(pb, pos);
2716 static int mov_write_gmhd_tag(AVIOContext *pb, MOVTrack *track)
2718 int64_t pos = avio_tell(pb);
2719 avio_wb32(pb, 0); /* size */
2720 ffio_wfourcc(pb, "gmhd");
2721 avio_wb32(pb, 0x18); /* gmin size */
2722 ffio_wfourcc(pb, "gmin");/* generic media info */
2723 avio_wb32(pb, 0); /* version & flags */
2724 avio_wb16(pb, 0x40); /* graphics mode = */
2725 avio_wb16(pb, 0x8000); /* opColor (r?) */
2726 avio_wb16(pb, 0x8000); /* opColor (g?) */
2727 avio_wb16(pb, 0x8000); /* opColor (b?) */
2728 avio_wb16(pb, 0); /* balance */
2729 avio_wb16(pb, 0); /* reserved */
2732 * This special text atom is required for
2733 * Apple Quicktime chapters. The contents
2734 * don't appear to be documented, so the
2735 * bytes are copied verbatim.
2737 if (track->tag != MKTAG('c','6','0','8')) {
2738 avio_wb32(pb, 0x2C); /* size */
2739 ffio_wfourcc(pb, "text");
2740 avio_wb16(pb, 0x01);
2741 avio_wb32(pb, 0x00);
2742 avio_wb32(pb, 0x00);
2743 avio_wb32(pb, 0x00);
2744 avio_wb32(pb, 0x01);
2745 avio_wb32(pb, 0x00);
2746 avio_wb32(pb, 0x00);
2747 avio_wb32(pb, 0x00);
2748 avio_wb32(pb, 0x00004000);
2749 avio_wb16(pb, 0x0000);
2752 if (track->par->codec_tag == MKTAG('t','m','c','d')) {
2753 int64_t tmcd_pos = avio_tell(pb);
2754 avio_wb32(pb, 0); /* size */
2755 ffio_wfourcc(pb, "tmcd");
2756 mov_write_tcmi_tag(pb, track);
2757 update_size(pb, tmcd_pos);
2758 } else if (track->par->codec_tag == MKTAG('g','p','m','d')) {
2759 int64_t gpmd_pos = avio_tell(pb);
2760 avio_wb32(pb, 0); /* size */
2761 ffio_wfourcc(pb, "gpmd");
2762 avio_wb32(pb, 0); /* version */
2763 update_size(pb, gpmd_pos);
2765 return update_size(pb, pos);
2768 static int mov_write_smhd_tag(AVIOContext *pb)
2770 avio_wb32(pb, 16); /* size */
2771 ffio_wfourcc(pb, "smhd");
2772 avio_wb32(pb, 0); /* version & flags */
2773 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
2774 avio_wb16(pb, 0); /* reserved */
2778 static int mov_write_vmhd_tag(AVIOContext *pb)
2780 avio_wb32(pb, 0x14); /* size (always 0x14) */
2781 ffio_wfourcc(pb, "vmhd");
2782 avio_wb32(pb, 0x01); /* version & flags */
2783 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
2787 static int is_clcp_track(MOVTrack *track)
2789 return track->tag == MKTAG('c','7','0','8') ||
2790 track->tag == MKTAG('c','6','0','8');
2793 static int mov_write_hdlr_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
2795 MOVMuxContext *mov = s->priv_data;
2796 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
2797 int64_t pos = avio_tell(pb);
2801 descr = "DataHandler";
2804 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
2805 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
2807 descr = "VideoHandler";
2808 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
2810 descr = "SoundHandler";
2811 } else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2812 if (is_clcp_track(track)) {
2814 descr = "ClosedCaptionHandler";
2816 if (track->tag == MKTAG('t','x','3','g')) {
2818 } else if (track->tag == MKTAG('m','p','4','s')) {
2823 descr = "SubtitleHandler";
2825 } else if (track->par->codec_tag == MKTAG('r','t','p',' ')) {
2827 descr = "HintHandler";
2828 } else if (track->par->codec_tag == MKTAG('t','m','c','d')) {
2830 descr = "TimeCodeHandler";
2831 } else if (track->par->codec_tag == MKTAG('g','p','m','d')) {
2833 descr = "GoPro MET"; // GoPro Metadata
2835 av_log(s, AV_LOG_WARNING,
2836 "Unknown hldr_type for %s, writing dummy values\n",
2837 av_fourcc2str(track->par->codec_tag));
2840 // hdlr.name is used by some players to identify the content title
2841 // of the track. So if an alternate handler description is
2842 // specified, use it.
2843 AVDictionaryEntry *t;
2844 t = av_dict_get(track->st->metadata, "handler_name", NULL, 0);
2845 if (t && utf8len(t->value))
2850 if (mov->empty_hdlr_name) /* expressly allowed by QTFF and not prohibited in ISO 14496-12 8.4.3.3 */
2853 avio_wb32(pb, 0); /* size */
2854 ffio_wfourcc(pb, "hdlr");
2855 avio_wb32(pb, 0); /* Version & flags */
2856 avio_write(pb, hdlr, 4); /* handler */
2857 ffio_wfourcc(pb, hdlr_type); /* handler type */
2858 avio_wb32(pb, 0); /* reserved */
2859 avio_wb32(pb, 0); /* reserved */
2860 avio_wb32(pb, 0); /* reserved */
2861 if (!track || track->mode == MODE_MOV)
2862 avio_w8(pb, strlen(descr)); /* pascal string */
2863 avio_write(pb, descr, strlen(descr)); /* handler description */
2864 if (track && track->mode != MODE_MOV)
2865 avio_w8(pb, 0); /* c string */
2866 return update_size(pb, pos);
2869 static int mov_write_hmhd_tag(AVIOContext *pb)
2871 /* This atom must be present, but leaving the values at zero
2872 * seems harmless. */
2873 avio_wb32(pb, 28); /* size */
2874 ffio_wfourcc(pb, "hmhd");
2875 avio_wb32(pb, 0); /* version, flags */
2876 avio_wb16(pb, 0); /* maxPDUsize */
2877 avio_wb16(pb, 0); /* avgPDUsize */
2878 avio_wb32(pb, 0); /* maxbitrate */
2879 avio_wb32(pb, 0); /* avgbitrate */
2880 avio_wb32(pb, 0); /* reserved */
2884 static int mov_write_minf_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2886 int64_t pos = avio_tell(pb);
2889 avio_wb32(pb, 0); /* size */
2890 ffio_wfourcc(pb, "minf");
2891 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO)
2892 mov_write_vmhd_tag(pb);
2893 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2894 mov_write_smhd_tag(pb);
2895 else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2896 if (track->tag == MKTAG('t','e','x','t') || is_clcp_track(track)) {
2897 mov_write_gmhd_tag(pb, track);
2899 mov_write_nmhd_tag(pb);
2901 } else if (track->tag == MKTAG('r','t','p',' ')) {
2902 mov_write_hmhd_tag(pb);
2903 } else if (track->tag == MKTAG('t','m','c','d')) {
2904 if (track->mode != MODE_MOV)
2905 mov_write_nmhd_tag(pb);
2907 mov_write_gmhd_tag(pb, track);
2908 } else if (track->tag == MKTAG('g','p','m','d')) {
2909 mov_write_gmhd_tag(pb, track);
2911 if (track->mode == MODE_MOV) /* ISO 14496-12 8.4.3.1 specifies hdlr only within mdia or meta boxes */
2912 mov_write_hdlr_tag(s, pb, NULL);
2913 mov_write_dinf_tag(pb);
2914 if ((ret = mov_write_stbl_tag(s, pb, mov, track)) < 0)
2916 return update_size(pb, pos);
2919 static void get_pts_range(MOVMuxContext *mov, MOVTrack *track,
2920 int64_t *start, int64_t *end)
2922 if (track->tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd) {
2923 // tmcd tracks gets track_duration set in mov_write_moov_tag from
2924 // another track's duration, while the end_pts may be left at zero.
2925 // Calculate the pts duration for that track instead.
2926 get_pts_range(mov, &mov->tracks[track->src_track], start, end);
2927 *start = av_rescale(*start, track->timescale,
2928 mov->tracks[track->src_track].timescale);
2929 *end = av_rescale(*end, track->timescale,
2930 mov->tracks[track->src_track].timescale);
2933 if (track->end_pts != AV_NOPTS_VALUE &&
2934 track->start_dts != AV_NOPTS_VALUE &&
2935 track->start_cts != AV_NOPTS_VALUE) {
2936 *start = track->start_dts + track->start_cts;
2937 *end = track->end_pts;
2941 *end = track->track_duration;
2944 static int64_t calc_samples_pts_duration(MOVMuxContext *mov, MOVTrack *track)
2947 get_pts_range(mov, track, &start, &end);
2951 // Calculate the actual duration of the track, after edits.
2952 // If it starts with a pts < 0, that is removed by the edit list.
2953 // If it starts with a pts > 0, the edit list adds a delay before that.
2954 // Thus, with edit lists enabled, the post-edit output of the file is
2955 // starting with pts=0.
2956 static int64_t calc_pts_duration(MOVMuxContext *mov, MOVTrack *track)
2959 get_pts_range(mov, track, &start, &end);
2960 if (mov->use_editlist != 0)
2965 static int mov_write_mdhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2968 int64_t duration = calc_pts_duration(mov, track);
2969 int version = duration < INT32_MAX ? 0 : 1;
2971 if (track->mode == MODE_ISM)
2974 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
2975 ffio_wfourcc(pb, "mdhd");
2976 avio_w8(pb, version);
2977 avio_wb24(pb, 0); /* flags */
2979 avio_wb64(pb, track->time);
2980 avio_wb64(pb, track->time);
2982 avio_wb32(pb, track->time); /* creation time */
2983 avio_wb32(pb, track->time); /* modification time */
2985 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
2986 if (!track->entry && mov->mode == MODE_ISM)
2987 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2988 else if (!track->entry)
2989 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2991 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration); /* duration */
2992 avio_wb16(pb, track->language); /* language */
2993 avio_wb16(pb, 0); /* reserved (quality) */
2995 if (version != 0 && track->mode == MODE_MOV) {
2996 av_log(NULL, AV_LOG_ERROR,
2997 "FATAL error, file duration too long for timebase, this file will not be\n"
2998 "playable with QuickTime. Choose a different timebase with "
2999 "-video_track_timescale or a different container format\n");
3005 static int mov_write_mdia_tag(AVFormatContext *s, AVIOContext *pb,
3006 MOVMuxContext *mov, MOVTrack *track)
3008 int64_t pos = avio_tell(pb);
3011 avio_wb32(pb, 0); /* size */
3012 ffio_wfourcc(pb, "mdia");
3013 mov_write_mdhd_tag(pb, mov, track);
3014 mov_write_hdlr_tag(s, pb, track);
3015 if ((ret = mov_write_minf_tag(s, pb, mov, track)) < 0)
3017 return update_size(pb, pos);
3020 /* transformation matrix
3024 static void write_matrix(AVIOContext *pb, int16_t a, int16_t b, int16_t c,
3025 int16_t d, int16_t tx, int16_t ty)
3027 avio_wb32(pb, a << 16); /* 16.16 format */
3028 avio_wb32(pb, b << 16); /* 16.16 format */
3029 avio_wb32(pb, 0); /* u in 2.30 format */
3030 avio_wb32(pb, c << 16); /* 16.16 format */
3031 avio_wb32(pb, d << 16); /* 16.16 format */
3032 avio_wb32(pb, 0); /* v in 2.30 format */
3033 avio_wb32(pb, tx << 16); /* 16.16 format */
3034 avio_wb32(pb, ty << 16); /* 16.16 format */
3035 avio_wb32(pb, 1 << 30); /* w in 2.30 format */
3038 static int mov_write_tkhd_tag(AVIOContext *pb, MOVMuxContext *mov,
3039 MOVTrack *track, AVStream *st)
3041 int64_t duration = av_rescale_rnd(calc_pts_duration(mov, track),
3042 MOV_TIMESCALE, track->timescale,
3044 int version = duration < INT32_MAX ? 0 : 1;
3045 int flags = MOV_TKHD_FLAG_IN_MOVIE;
3048 uint32_t *display_matrix = NULL;
3049 buffer_size_t display_matrix_size;
3053 if (mov->per_stream_grouping)
3056 group = st->codecpar->codec_type;
3058 display_matrix = (uint32_t*)av_stream_get_side_data(st, AV_PKT_DATA_DISPLAYMATRIX,
3059 &display_matrix_size);
3060 if (display_matrix && display_matrix_size < 9 * sizeof(*display_matrix))
3061 display_matrix = NULL;
3064 if (track->flags & MOV_TRACK_ENABLED)
3065 flags |= MOV_TKHD_FLAG_ENABLED;
3067 if (track->mode == MODE_ISM)
3070 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
3071 ffio_wfourcc(pb, "tkhd");
3072 avio_w8(pb, version);
3073 avio_wb24(pb, flags);
3075 avio_wb64(pb, track->time);
3076 avio_wb64(pb, track->time);
3078 avio_wb32(pb, track->time); /* creation time */
3079 avio_wb32(pb, track->time); /* modification time */
3081 avio_wb32(pb, track->track_id); /* track-id */
3082 avio_wb32(pb, 0); /* reserved */
3083 if (!track->entry && mov->mode == MODE_ISM)
3084 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
3085 else if (!track->entry)
3086 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
3088 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
3090 avio_wb32(pb, 0); /* reserved */
3091 avio_wb32(pb, 0); /* reserved */
3092 avio_wb16(pb, 0); /* layer */
3093 avio_wb16(pb, group); /* alternate group) */
3094 /* Volume, only for audio */
3095 if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
3096 avio_wb16(pb, 0x0100);
3099 avio_wb16(pb, 0); /* reserved */
3101 /* Matrix structure */
3102 if (display_matrix) {
3103 for (i = 0; i < 9; i++)
3104 avio_wb32(pb, display_matrix[i]);
3106 write_matrix(pb, 1, 0, 0, 1, 0, 0);
3108 /* Track width and height, for visual only */
3109 if (st && (track->par->codec_type == AVMEDIA_TYPE_VIDEO ||
3110 track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
3111 int64_t track_width_1616;
3112 if (track->mode == MODE_MOV) {
3113 track_width_1616 = track->par->width * 0x10000ULL;
3115 track_width_1616 = av_rescale(st->sample_aspect_ratio.num,
3116 track->par->width * 0x10000LL,
3117 st->sample_aspect_ratio.den);
3118 if (!track_width_1616 ||
3119 track->height != track->par->height ||
3120 track_width_1616 > UINT32_MAX)
3121 track_width_1616 = track->par->width * 0x10000ULL;
3123 if (track_width_1616 > UINT32_MAX) {
3124 av_log(mov->fc, AV_LOG_WARNING, "track width is too large\n");
3125 track_width_1616 = 0;
3127 avio_wb32(pb, track_width_1616);
3128 if (track->height > 0xFFFF) {
3129 av_log(mov->fc, AV_LOG_WARNING, "track height is too large\n");
3132 avio_wb32(pb, track->height * 0x10000U);
3140 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
3142 int32_t width = av_rescale(track->par->sample_aspect_ratio.num, track->par->width,
3143 track->par->sample_aspect_ratio.den);
3145 int64_t pos = avio_tell(pb);
3147 avio_wb32(pb, 0); /* size */
3148 ffio_wfourcc(pb, "tapt");
3151 ffio_wfourcc(pb, "clef");
3153 avio_wb32(pb, width << 16);
3154 avio_wb32(pb, track->par->height << 16);
3157 ffio_wfourcc(pb, "prof");
3159 avio_wb32(pb, width << 16);
3160 avio_wb32(pb, track->par->height << 16);
3163 ffio_wfourcc(pb, "enof");
3165 avio_wb32(pb, track->par->width << 16);
3166 avio_wb32(pb, track->par->height << 16);
3168 return update_size(pb, pos);
3171 // This box seems important for the psp playback ... without it the movie seems to hang
3172 static int mov_write_edts_tag(AVIOContext *pb, MOVMuxContext *mov,
3175 int64_t duration = av_rescale_rnd(calc_samples_pts_duration(mov, track),
3176 MOV_TIMESCALE, track->timescale,
3178 int version = duration < INT32_MAX ? 0 : 1;
3179 int entry_size, entry_count, size;
3180 int64_t delay, start_ct = track->start_cts;
3181 int64_t start_dts = track->start_dts;
3184 if (start_dts != track->cluster[0].dts || start_ct != track->cluster[0].cts) {
3186 av_log(mov->fc, AV_LOG_DEBUG,
3187 "EDTS using dts:%"PRId64" cts:%d instead of dts:%"PRId64" cts:%"PRId64" tid:%d\n",
3188 track->cluster[0].dts, track->cluster[0].cts,
3189 start_dts, start_ct, track->track_id);
3190 start_dts = track->cluster[0].dts;
3191 start_ct = track->cluster[0].cts;
3195 delay = av_rescale_rnd(start_dts + start_ct, MOV_TIMESCALE,
3196 track->timescale, AV_ROUND_DOWN);
3197 version |= delay < INT32_MAX ? 0 : 1;
3199 entry_size = (version == 1) ? 20 : 12;
3200 entry_count = 1 + (delay > 0);
3201 size = 24 + entry_count * entry_size;
3203 /* write the atom data */
3204 avio_wb32(pb, size);
3205 ffio_wfourcc(pb, "edts");
3206 avio_wb32(pb, size - 8);
3207 ffio_wfourcc(pb, "elst");
3208 avio_w8(pb, version);
3209 avio_wb24(pb, 0); /* flags */
3211 avio_wb32(pb, entry_count);
3212 if (delay > 0) { /* add an empty edit to delay presentation */
3213 /* In the positive delay case, the delay includes the cts
3214 * offset, and the second edit list entry below trims out
3215 * the same amount from the actual content. This makes sure
3216 * that the offset last sample is included in the edit
3217 * list duration as well. */
3219 avio_wb64(pb, delay);
3222 avio_wb32(pb, delay);
3225 avio_wb32(pb, 0x00010000);
3227 /* Avoid accidentally ending up with start_ct = -1 which has got a
3228 * special meaning. Normally start_ct should end up positive or zero
3229 * here, but use FFMIN in case dts is a small positive integer
3230 * rounded to 0 when represented in MOV_TIMESCALE units. */
3231 av_assert0(av_rescale_rnd(start_dts, MOV_TIMESCALE, track->timescale, AV_ROUND_DOWN) <= 0);
3232 start_ct = -FFMIN(start_dts, 0);
3233 /* Note, this delay is calculated from the pts of the first sample,
3234 * ensuring that we don't reduce the duration for cases with
3239 /* For fragmented files, we don't know the full length yet. Setting
3240 * duration to 0 allows us to only specify the offset, including
3241 * the rest of the content (from all future fragments) without specifying
3242 * an explicit duration. */
3243 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
3248 avio_wb64(pb, duration);
3249 avio_wb64(pb, start_ct);
3251 avio_wb32(pb, duration);
3252 avio_wb32(pb, start_ct);
3254 avio_wb32(pb, 0x00010000);
3258 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
3260 avio_wb32(pb, 20); // size
3261 ffio_wfourcc(pb, "tref");
3262 avio_wb32(pb, 12); // size (subatom)
3263 avio_wl32(pb, track->tref_tag);
3264 avio_wb32(pb, track->tref_id);
3268 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
3269 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
3271 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
3272 ffio_wfourcc(pb, "uuid");
3273 ffio_wfourcc(pb, "USMT");
3274 avio_wb32(pb, 0x21d24fce);
3275 avio_wb32(pb, 0xbb88695c);
3276 avio_wb32(pb, 0xfac9c740);
3277 avio_wb32(pb, 0x1c); // another size here!
3278 ffio_wfourcc(pb, "MTDT");
3279 avio_wb32(pb, 0x00010012);
3280 avio_wb32(pb, 0x0a);
3281 avio_wb32(pb, 0x55c40000);
3287 static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
3289 AVFormatContext *ctx = track->rtp_ctx;
3290 char buf[1000] = "";
3293 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
3294 NULL, NULL, 0, 0, ctx);
3295 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
3298 avio_wb32(pb, len + 24);
3299 ffio_wfourcc(pb, "udta");
3300 avio_wb32(pb, len + 16);
3301 ffio_wfourcc(pb, "hnti");
3302 avio_wb32(pb, len + 8);
3303 ffio_wfourcc(pb, "sdp ");
3304 avio_write(pb, buf, len);
3308 static int mov_write_track_metadata(AVIOContext *pb, AVStream *st,
3309 const char *tag, const char *str)
3311 int64_t pos = avio_tell(pb);
3312 AVDictionaryEntry *t = av_dict_get(st->metadata, str, NULL, 0);
3313 if (!t || !utf8len(t->value))
3316 avio_wb32(pb, 0); /* size */
3317 ffio_wfourcc(pb, tag); /* type */
3318 avio_write(pb, t->value, strlen(t->value)); /* UTF8 string value */
3319 return update_size(pb, pos);
3322 static int mov_write_track_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
3325 AVIOContext *pb_buf;
3332 ret = avio_open_dyn_buf(&pb_buf);
3336 if (mov->mode & (MODE_MP4|MODE_MOV))
3337 mov_write_track_metadata(pb_buf, st, "name", "title");
3339 if ((size = avio_get_dyn_buf(pb_buf, &buf)) > 0) {
3340 avio_wb32(pb, size + 8);
3341 ffio_wfourcc(pb, "udta");
3342 avio_write(pb, buf, size);
3344 ffio_free_dyn_buf(&pb_buf);
3349 static int mov_write_trak_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov,
3350 MOVTrack *track, AVStream *st)
3352 int64_t pos = avio_tell(pb);
3353 int entry_backup = track->entry;
3354 int chunk_backup = track->chunkCount;
3357 /* If we want to have an empty moov, but some samples already have been
3358 * buffered (delay_moov), pretend that no samples have been written yet. */
3359 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV)
3360 track->chunkCount = track->entry = 0;
3362 avio_wb32(pb, 0); /* size */
3363 ffio_wfourcc(pb, "trak");
3364 mov_write_tkhd_tag(pb, mov, track, st);
3366 av_assert2(mov->use_editlist >= 0);
3368 if (track->start_dts != AV_NOPTS_VALUE) {
3369 if (mov->use_editlist)
3370 mov_write_edts_tag(pb, mov, track); // PSP Movies and several other cases require edts box
3371 else if ((track->entry && track->cluster[0].dts) || track->mode == MODE_PSP || is_clcp_track(track))
3372 av_log(mov->fc, AV_LOG_WARNING,
3373 "Not writing any edit list even though one would have been required\n");
3376 if (track->tref_tag)
3377 mov_write_tref_tag(pb, track);
3379 if ((ret = mov_write_mdia_tag(s, pb, mov, track)) < 0)
3381 if (track->mode == MODE_PSP)
3382 mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box
3383 if (track->tag == MKTAG('r','t','p',' '))
3384 mov_write_udta_sdp(pb, track);
3385 if (track->mode == MODE_MOV) {
3386 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
3387 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
3388 if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio) {
3389 mov_write_tapt_tag(pb, track);
3392 if (is_clcp_track(track) && st->sample_aspect_ratio.num) {
3393 mov_write_tapt_tag(pb, track);
3396 mov_write_track_udta_tag(pb, mov, st);
3397 track->entry = entry_backup;
3398 track->chunkCount = chunk_backup;
3399 return update_size(pb, pos);
3402 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
3404 int i, has_audio = 0, has_video = 0;
3405 int64_t pos = avio_tell(pb);
3406 int audio_profile = mov->iods_audio_profile;
3407 int video_profile = mov->iods_video_profile;
3408 for (i = 0; i < mov->nb_streams; i++) {
3409 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3410 has_audio |= mov->tracks[i].par->codec_type == AVMEDIA_TYPE_AUDIO;
3411 has_video |= mov->tracks[i].par->codec_type == AVMEDIA_TYPE_VIDEO;
3414 if (audio_profile < 0)
3415 audio_profile = 0xFF - has_audio;
3416 if (video_profile < 0)
3417 video_profile = 0xFF - has_video;
3418 avio_wb32(pb, 0x0); /* size */
3419 ffio_wfourcc(pb, "iods");
3420 avio_wb32(pb, 0); /* version & flags */
3421 put_descr(pb, 0x10, 7);
3422 avio_wb16(pb, 0x004f);
3425 avio_w8(pb, audio_profile);
3426 avio_w8(pb, video_profile);
3428 return update_size(pb, pos);
3431 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
3433 avio_wb32(pb, 0x20); /* size */
3434 ffio_wfourcc(pb, "trex");
3435 avio_wb32(pb, 0); /* version & flags */
3436 avio_wb32(pb, track->track_id); /* track ID */
3437 avio_wb32(pb, 1); /* default sample description index */
3438 avio_wb32(pb, 0); /* default sample duration */
3439 avio_wb32(pb, 0); /* default sample size */
3440 avio_wb32(pb, 0); /* default sample flags */
3444 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
3446 int64_t pos = avio_tell(pb);
3448 avio_wb32(pb, 0x0); /* size */
3449 ffio_wfourcc(pb, "mvex");
3450 for (i = 0; i < mov->nb_streams; i++)
3451 mov_write_trex_tag(pb, &mov->tracks[i]);
3452 return update_size(pb, pos);
3455 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
3457 int max_track_id = 1, i;
3458 int64_t max_track_len = 0;
3461 for (i = 0; i < mov->nb_streams; i++) {
3462 if (mov->tracks[i].entry > 0 && mov->tracks[i].timescale) {
3463 int64_t max_track_len_temp = av_rescale_rnd(
3464 calc_pts_duration(mov, &mov->tracks[i]),
3466 mov->tracks[i].timescale,
3468 if (max_track_len < max_track_len_temp)
3469 max_track_len = max_track_len_temp;
3470 if (max_track_id < mov->tracks[i].track_id)
3471 max_track_id = mov->tracks[i].track_id;
3474 /* If using delay_moov, make sure the output is the same as if no
3475 * samples had been written yet. */
3476 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3481 version = max_track_len < UINT32_MAX ? 0 : 1;
3482 avio_wb32(pb, version == 1 ? 120 : 108); /* size */
3484 ffio_wfourcc(pb, "mvhd");
3485 avio_w8(pb, version);
3486 avio_wb24(pb, 0); /* flags */
3488 avio_wb64(pb, mov->time);
3489 avio_wb64(pb, mov->time);
3491 avio_wb32(pb, mov->time); /* creation time */
3492 avio_wb32(pb, mov->time); /* modification time */
3494 avio_wb32(pb, MOV_TIMESCALE);
3495 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
3497 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
3498 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
3499 avio_wb16(pb, 0); /* reserved */
3500 avio_wb32(pb, 0); /* reserved */
3501 avio_wb32(pb, 0); /* reserved */
3503 /* Matrix structure */
3504 write_matrix(pb, 1, 0, 0, 1, 0, 0);
3506 avio_wb32(pb, 0); /* reserved (preview time) */
3507 avio_wb32(pb, 0); /* reserved (preview duration) */
3508 avio_wb32(pb, 0); /* reserved (poster time) */
3509 avio_wb32(pb, 0); /* reserved (selection time) */
3510 avio_wb32(pb, 0); /* reserved (selection duration) */
3511 avio_wb32(pb, 0); /* reserved (current time) */
3512 avio_wb32(pb, max_track_id + 1); /* Next track id */
3516 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
3519 avio_wb32(pb, 33); /* size */
3520 ffio_wfourcc(pb, "hdlr");
3523 ffio_wfourcc(pb, "mdir");
3524 ffio_wfourcc(pb, "appl");
3531 /* helper function to write a data tag with the specified string as data */
3532 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
3535 int size = 16 + strlen(data);
3536 avio_wb32(pb, size); /* size */
3537 ffio_wfourcc(pb, "data");
3540 avio_write(pb, data, strlen(data));
3544 lang = ff_mov_iso639_to_lang("und", 1);
3545 avio_wb16(pb, strlen(data)); /* string length */
3546 avio_wb16(pb, lang);
3547 avio_write(pb, data, strlen(data));
3548 return strlen(data) + 4;
3552 static int mov_write_string_tag(AVIOContext *pb, const char *name,
3553 const char *value, int lang, int long_style)
3556 if (value && value[0]) {
3557 int64_t pos = avio_tell(pb);
3558 avio_wb32(pb, 0); /* size */
3559 ffio_wfourcc(pb, name);
3560 mov_write_string_data_tag(pb, value, lang, long_style);
3561 size = update_size(pb, pos);
3566 static AVDictionaryEntry *get_metadata_lang(AVFormatContext *s,
3567 const char *tag, int *lang)
3570 AVDictionaryEntry *t, *t2 = NULL;
3575 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
3578 len = strlen(t->key);
3579 snprintf(tag2, sizeof(tag2), "%s-", tag);
3580 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
3581 len2 = strlen(t2->key);
3582 if (len2 == len + 4 && !strcmp(t->value, t2->value)
3583 && (l = ff_mov_iso639_to_lang(&t2->key[len2 - 3], 1)) >= 0) {
3591 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
3592 const char *name, const char *tag,
3596 AVDictionaryEntry *t = get_metadata_lang(s, tag, &lang);
3599 return mov_write_string_tag(pb, name, t->value, lang, long_style);
3602 /* iTunes bpm number */
3603 static int mov_write_tmpo_tag(AVIOContext *pb, AVFormatContext *s)
3605 AVDictionaryEntry *t = av_dict_get(s->metadata, "tmpo", NULL, 0);
3606 int size = 0, tmpo = t ? atoi(t->value) : 0;
3609 avio_wb32(pb, size);
3610 ffio_wfourcc(pb, "tmpo");
3611 avio_wb32(pb, size-8); /* size */
3612 ffio_wfourcc(pb, "data");
3613 avio_wb32(pb, 0x15); //type specifier
3615 avio_wb16(pb, tmpo); // data
3620 /* 3GPP TS 26.244 */
3621 static int mov_write_loci_tag(AVFormatContext *s, AVIOContext *pb)
3624 int64_t pos = avio_tell(pb);
3625 double latitude, longitude, altitude;
3626 int32_t latitude_fix, longitude_fix, altitude_fix;
3627 AVDictionaryEntry *t = get_metadata_lang(s, "location", &lang);
3628 const char *ptr, *place = "";
3630 static const char *astronomical_body = "earth";
3635 longitude = strtod(ptr, &end);
3637 av_log(s, AV_LOG_WARNING, "malformed location metadata\n");
3641 latitude = strtod(ptr, &end);
3643 av_log(s, AV_LOG_WARNING, "malformed location metadata\n");
3647 altitude = strtod(ptr, &end);
3648 /* If no altitude was present, the default 0 should be fine */
3652 latitude_fix = (int32_t) ((1 << 16) * latitude);
3653 longitude_fix = (int32_t) ((1 << 16) * longitude);
3654 altitude_fix = (int32_t) ((1 << 16) * altitude);
3656 avio_wb32(pb, 0); /* size */
3657 ffio_wfourcc(pb, "loci"); /* type */
3658 avio_wb32(pb, 0); /* version + flags */
3659 avio_wb16(pb, lang);
3660 avio_write(pb, place, strlen(place) + 1);
3661 avio_w8(pb, 0); /* role of place (0 == shooting location, 1 == real location, 2 == fictional location) */
3662 avio_wb32(pb, latitude_fix);
3663 avio_wb32(pb, longitude_fix);
3664 avio_wb32(pb, altitude_fix);
3665 avio_write(pb, astronomical_body, strlen(astronomical_body) + 1);
3666 avio_w8(pb, 0); /* additional notes, null terminated string */
3668 return update_size(pb, pos);
3671 /* iTunes track or disc number */
3672 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
3673 AVFormatContext *s, int disc)
3675 AVDictionaryEntry *t = av_dict_get(s->metadata,
3676 disc ? "disc" : "track",
3678 int size = 0, track = t ? atoi(t->value) : 0;
3681 char *slash = strchr(t->value, '/');
3683 tracks = atoi(slash + 1);
3684 avio_wb32(pb, 32); /* size */
3685 ffio_wfourcc(pb, disc ? "disk" : "trkn");
3686 avio_wb32(pb, 24); /* size */
3687 ffio_wfourcc(pb, "data");
3688 avio_wb32(pb, 0); // 8 bytes empty
3690 avio_wb16(pb, 0); // empty
3691 avio_wb16(pb, track); // track / disc number
3692 avio_wb16(pb, tracks); // total track / disc number
3693 avio_wb16(pb, 0); // empty
3699 static int mov_write_int8_metadata(AVFormatContext *s, AVIOContext *pb,
3700 const char *name, const char *tag,
3703 AVDictionaryEntry *t = NULL;
3705 int size = 24 + len;
3707 if (len != 1 && len != 4)
3710 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
3712 num = atoi(t->value);
3714 avio_wb32(pb, size);
3715 ffio_wfourcc(pb, name);
3716 avio_wb32(pb, size - 8);
3717 ffio_wfourcc(pb, "data");
3718 avio_wb32(pb, 0x15);
3720 if (len==4) avio_wb32(pb, num);
3721 else avio_w8 (pb, num);
3726 static int mov_write_covr(AVIOContext *pb, AVFormatContext *s)
3728 MOVMuxContext *mov = s->priv_data;
3732 for (i = 0; i < s->nb_streams; i++) {
3733 MOVTrack *trk = &mov->tracks[i];
3735 if (!is_cover_image(trk->st) || trk->cover_image->size <= 0)
3739 pos = avio_tell(pb);
3741 ffio_wfourcc(pb, "covr");
3743 avio_wb32(pb, 16 + trk->cover_image->size);
3744 ffio_wfourcc(pb, "data");
3745 avio_wb32(pb, trk->tag);
3747 avio_write(pb, trk->cover_image->data, trk->cover_image->size);
3750 return pos ? update_size(pb, pos) : 0;
3753 /* iTunes meta data list */
3754 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
3757 int64_t pos = avio_tell(pb);
3758 avio_wb32(pb, 0); /* size */
3759 ffio_wfourcc(pb, "ilst");
3760 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
3761 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
3762 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
3763 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
3764 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
3765 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
3766 if (!mov_write_string_metadata(s, pb, "\251too", "encoding_tool", 1)) {
3767 if (!(s->flags & AVFMT_FLAG_BITEXACT))
3768 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
3770 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
3771 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
3772 mov_write_string_metadata(s, pb, "cprt", "copyright", 1);
3773 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
3774 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
3775 mov_write_string_metadata(s, pb, "desc", "description",1);
3776 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
3777 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
3778 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
3779 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
3780 mov_write_string_metadata(s, pb, "keyw", "keywords" , 1);
3781 mov_write_int8_metadata (s, pb, "tves", "episode_sort",4);
3782 mov_write_int8_metadata (s, pb, "tvsn", "season_number",4);
3783 mov_write_int8_metadata (s, pb, "stik", "media_type",1);
3784 mov_write_int8_metadata (s, pb, "hdvd", "hd_video", 1);
3785 mov_write_int8_metadata (s, pb, "pgap", "gapless_playback",1);
3786 mov_write_int8_metadata (s, pb, "cpil", "compilation", 1);
3787 mov_write_covr(pb, s);
3788 mov_write_trkn_tag(pb, mov, s, 0); // track number
3789 mov_write_trkn_tag(pb, mov, s, 1); // disc number
3790 mov_write_tmpo_tag(pb, s);
3791 return update_size(pb, pos);
3794 static int mov_write_mdta_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
3797 avio_wb32(pb, 33); /* size */
3798 ffio_wfourcc(pb, "hdlr");
3801 ffio_wfourcc(pb, "mdta");
3809 static int mov_write_mdta_keys_tag(AVIOContext *pb, MOVMuxContext *mov,
3812 AVDictionaryEntry *t = NULL;
3813 int64_t pos = avio_tell(pb);
3814 int64_t curpos, entry_pos;
3817 avio_wb32(pb, 0); /* size */
3818 ffio_wfourcc(pb, "keys");
3820 entry_pos = avio_tell(pb);
3821 avio_wb32(pb, 0); /* entry count */
3823 while (t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX)) {
3824 avio_wb32(pb, strlen(t->key) + 8);
3825 ffio_wfourcc(pb, "mdta");
3826 avio_write(pb, t->key, strlen(t->key));
3829 curpos = avio_tell(pb);
3830 avio_seek(pb, entry_pos, SEEK_SET);
3831 avio_wb32(pb, count); // rewrite entry count
3832 avio_seek(pb, curpos, SEEK_SET);
3834 return update_size(pb, pos);
3837 static int mov_write_mdta_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
3840 AVDictionaryEntry *t = NULL;
3841 int64_t pos = avio_tell(pb);
3842 int count = 1; /* keys are 1-index based */
3844 avio_wb32(pb, 0); /* size */
3845 ffio_wfourcc(pb, "ilst");
3847 while (t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX)) {
3848 int64_t entry_pos = avio_tell(pb);
3849 avio_wb32(pb, 0); /* size */
3850 avio_wb32(pb, count); /* key */
3851 mov_write_string_data_tag(pb, t->value, 0, 1);
3852 update_size(pb, entry_pos);
3855 return update_size(pb, pos);
3858 /* meta data tags */
3859 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
3863 int64_t pos = avio_tell(pb);
3864 avio_wb32(pb, 0); /* size */
3865 ffio_wfourcc(pb, "meta");
3867 if (mov->flags & FF_MOV_FLAG_USE_MDTA) {
3868 mov_write_mdta_hdlr_tag(pb, mov, s);
3869 mov_write_mdta_keys_tag(pb, mov, s);
3870 mov_write_mdta_ilst_tag(pb, mov, s);
3873 /* iTunes metadata tag */
3874 mov_write_itunes_hdlr_tag(pb, mov, s);
3875 mov_write_ilst_tag(pb, mov, s);
3877 size = update_size(pb, pos);
3881 static int mov_write_raw_metadata_tag(AVFormatContext *s, AVIOContext *pb,
3882 const char *name, const char *key)
3885 AVDictionaryEntry *t;
3887 if (!(t = av_dict_get(s->metadata, key, NULL, 0)))
3890 len = strlen(t->value);
3893 avio_wb32(pb, size);
3894 ffio_wfourcc(pb, name);
3895 avio_write(pb, t->value, len);
3901 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
3905 GET_UTF8(val, *b++, return -1;)
3908 avio_wb16(pb, 0x00);
3912 static uint16_t language_code(const char *str)
3914 return (((str[0] - 0x60) & 0x1F) << 10) +
3915 (((str[1] - 0x60) & 0x1F) << 5) +
3916 (( str[2] - 0x60) & 0x1F);
3919 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
3920 const char *tag, const char *str)
3922 int64_t pos = avio_tell(pb);
3923 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
3924 if (!t || !utf8len(t->value))
3926 avio_wb32(pb, 0); /* size */
3927 ffio_wfourcc(pb, tag); /* type */
3928 avio_wb32(pb, 0); /* version + flags */
3929 if (!strcmp(tag, "yrrc"))
3930 avio_wb16(pb, atoi(t->value));
3932 avio_wb16(pb, language_code("eng")); /* language */
3933 avio_write(pb, t->value, strlen(t->value) + 1); /* UTF8 string value */
3934 if (!strcmp(tag, "albm") &&
3935 (t = av_dict_get(s->metadata, "track", NULL, 0)))
3936 avio_w8(pb, atoi(t->value));
3938 return update_size(pb, pos);
3941 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
3943 int64_t pos = avio_tell(pb);
3944 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
3946 avio_wb32(pb, 0); // size
3947 ffio_wfourcc(pb, "chpl");
3948 avio_wb32(pb, 0x01000000); // version + flags
3949 avio_wb32(pb, 0); // unknown
3950 avio_w8(pb, nb_chapters);
3952 for (i = 0; i < nb_chapters; i++) {
3953 AVChapter *c = s->chapters[i];
3954 AVDictionaryEntry *t;
3955 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
3957 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3958 int len = FFMIN(strlen(t->value), 255);
3960 avio_write(pb, t->value, len);
3964 return update_size(pb, pos);
3967 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
3970 AVIOContext *pb_buf;
3974 ret = avio_open_dyn_buf(&pb_buf);
3978 if (mov->mode & MODE_3GP) {
3979 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
3980 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
3981 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
3982 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
3983 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
3984 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
3985 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
3986 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
3987 mov_write_loci_tag(s, pb_buf);
3988 } else if (mov->mode == MODE_MOV && !(mov->flags & FF_MOV_FLAG_USE_MDTA)) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
3989 mov_write_string_metadata(s, pb_buf, "\251ART", "artist", 0);
3990 mov_write_string_metadata(s, pb_buf, "\251nam", "title", 0);
3991 mov_write_string_metadata(s, pb_buf, "\251aut", "author", 0);
3992 mov_write_string_metadata(s, pb_buf, "\251alb", "album", 0);
3993 mov_write_string_metadata(s, pb_buf, "\251day", "date", 0);
3994 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder", 0);
3995 // currently ignored by mov.c
3996 mov_write_string_metadata(s, pb_buf, "\251des", "comment", 0);
3997 // add support for libquicktime, this atom is also actually read by mov.c
3998 mov_write_string_metadata(s, pb_buf, "\251cmt", "comment", 0);
3999 mov_write_string_metadata(s, pb_buf, "\251gen", "genre", 0);
4000 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright", 0);
4001 mov_write_string_metadata(s, pb_buf, "\251mak", "make", 0);
4002 mov_write_string_metadata(s, pb_buf, "\251mod", "model", 0);
4003 mov_write_string_metadata(s, pb_buf, "\251xyz", "location", 0);
4004 mov_write_string_metadata(s, pb_buf, "\251key", "keywords", 0);
4005 mov_write_raw_metadata_tag(s, pb_buf, "XMP_", "xmp");
4007 /* iTunes meta data */
4008 mov_write_meta_tag(pb_buf, mov, s);
4009 mov_write_loci_tag(s, pb_buf);
4012 if (s->nb_chapters && !(mov->flags & FF_MOV_FLAG_DISABLE_CHPL))
4013 mov_write_chpl_tag(pb_buf, s);
4015 if ((size = avio_get_dyn_buf(pb_buf, &buf)) > 0) {
4016 avio_wb32(pb, size + 8);
4017 ffio_wfourcc(pb, "udta");
4018 avio_write(pb, buf, size);
4020 ffio_free_dyn_buf(&pb_buf);
4025 static void mov_write_psp_udta_tag(AVIOContext *pb,
4026 const char *str, const char *lang, int type)
4028 int len = utf8len(str) + 1;
4031 avio_wb16(pb, len * 2 + 10); /* size */
4032 avio_wb32(pb, type); /* type */
4033 avio_wb16(pb, language_code(lang)); /* language */
4034 avio_wb16(pb, 0x01); /* ? */
4035 ascii_to_wc(pb, str);
4038 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
4040 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
4044 pos = avio_tell(pb);
4045 avio_wb32(pb, 0); /* size placeholder*/
4046 ffio_wfourcc(pb, "uuid");
4047 ffio_wfourcc(pb, "USMT");
4048 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
4049 avio_wb32(pb, 0xbb88695c);
4050 avio_wb32(pb, 0xfac9c740);
4052 pos2 = avio_tell(pb);
4053 avio_wb32(pb, 0); /* size placeholder*/
4054 ffio_wfourcc(pb, "MTDT");
4058 avio_wb16(pb, 0x0C); /* size */
4059 avio_wb32(pb, 0x0B); /* type */
4060 avio_wb16(pb, language_code("und")); /* language */
4061 avio_wb16(pb, 0x0); /* ? */
4062 avio_wb16(pb, 0x021C); /* data */
4064 if (!(s->flags & AVFMT_FLAG_BITEXACT))
4065 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
4066 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
4067 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
4069 update_size(pb, pos2);
4070 return update_size(pb, pos);
4076 static void build_chunks(MOVTrack *trk)
4079 MOVIentry *chunk = &trk->cluster[0];
4080 uint64_t chunkSize = chunk->size;
4081 chunk->chunkNum = 1;
4082 if (trk->chunkCount)
4084 trk->chunkCount = 1;
4085 for (i = 1; i<trk->entry; i++){
4086 if (chunk->pos + chunkSize == trk->cluster[i].pos &&
4087 chunkSize + trk->cluster[i].size < (1<<20)){
4088 chunkSize += trk->cluster[i].size;
4089 chunk->samples_in_chunk += trk->cluster[i].entries;
4091 trk->cluster[i].chunkNum = chunk->chunkNum+1;
4092 chunk=&trk->cluster[i];
4093 chunkSize = chunk->size;
4100 * Assign track ids. If option "use_stream_ids_as_track_ids" is set,
4101 * the stream ids are used as track ids.
4103 * This assumes mov->tracks and s->streams are in the same order and
4104 * there are no gaps in either of them (so mov->tracks[n] refers to
4107 * As an exception, there can be more entries in
4108 * s->streams than in mov->tracks, in which case new track ids are
4109 * generated (starting after the largest found stream id).
4111 static int mov_setup_track_ids(MOVMuxContext *mov, AVFormatContext *s)
4115 if (mov->track_ids_ok)
4118 if (mov->use_stream_ids_as_track_ids) {
4119 int next_generated_track_id = 0;
4120 for (i = 0; i < s->nb_streams; i++) {
4121 if (s->streams[i]->id > next_generated_track_id)
4122 next_generated_track_id = s->streams[i]->id;
4125 for (i = 0; i < mov->nb_streams; i++) {
4126 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
4129 mov->tracks[i].track_id = i >= s->nb_streams ? ++next_generated_track_id : s->streams[i]->id;
4132 for (i = 0; i < mov->nb_streams; i++) {
4133 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
4136 mov->tracks[i].track_id = i + 1;
4140 mov->track_ids_ok = 1;
4145 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
4149 int64_t pos = avio_tell(pb);
4150 avio_wb32(pb, 0); /* size placeholder*/
4151 ffio_wfourcc(pb, "moov");
4153 mov_setup_track_ids(mov, s);
4155 for (i = 0; i < mov->nb_streams; i++) {
4156 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
4159 mov->tracks[i].time = mov->time;
4161 if (mov->tracks[i].entry)
4162 build_chunks(&mov->tracks[i]);
4165 if (mov->chapter_track)
4166 for (i = 0; i < s->nb_streams; i++) {
4167 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
4168 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
4170 for (i = 0; i < mov->nb_streams; i++) {
4171 MOVTrack *track = &mov->tracks[i];
4172 if (track->tag == MKTAG('r','t','p',' ')) {
4173 track->tref_tag = MKTAG('h','i','n','t');
4174 track->tref_id = mov->tracks[track->src_track].track_id;
4175 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
4178 fallback = (int*)av_stream_get_side_data(track->st,
4179 AV_PKT_DATA_FALLBACK_TRACK,
4181 if (fallback != NULL && size == sizeof(int)) {
4182 if (*fallback >= 0 && *fallback < mov->nb_streams) {
4183 track->tref_tag = MKTAG('f','a','l','l');
4184 track->tref_id = mov->tracks[*fallback].track_id;
4189 for (i = 0; i < mov->nb_streams; i++) {
4190 if (mov->tracks[i].tag == MKTAG('t','m','c','d')) {
4191 int src_trk = mov->tracks[i].src_track;
4192 mov->tracks[src_trk].tref_tag = mov->tracks[i].tag;
4193 mov->tracks[src_trk].tref_id = mov->tracks[i].track_id;
4194 //src_trk may have a different timescale than the tmcd track
4195 mov->tracks[i].track_duration = av_rescale(mov->tracks[src_trk].track_duration,
4196 mov->tracks[i].timescale,
4197 mov->tracks[src_trk].timescale);
4201 mov_write_mvhd_tag(pb, mov);
4202 if (mov->mode != MODE_MOV && !mov->iods_skip)
4203 mov_write_iods_tag(pb, mov);
4204 for (i = 0; i < mov->nb_streams; i++) {
4205 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
4206 int ret = mov_write_trak_tag(s, pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
4211 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
4212 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
4214 if (mov->mode == MODE_PSP)
4215 mov_write_uuidusmt_tag(pb, s);
4217 mov_write_udta_tag(pb, mov, s);
4219 return update_size(pb, pos);
4222 static void param_write_int(AVIOContext *pb, const char *name, int value)
4224 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
4227 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
4229 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
4232 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
4235 len = FFMIN(sizeof(buf) / 2 - 1, len);
4236 ff_data_to_hex(buf, value, len, 0);
4237 buf[2 * len] = '\0';
4238 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
4241 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov, AVFormatContext *s)
4243 int64_t pos = avio_tell(pb);
4246 static const uint8_t uuid[] = {
4247 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
4248 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
4252 ffio_wfourcc(pb, "uuid");
4253 avio_write(pb, uuid, sizeof(uuid));
4256 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
4257 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
4258 avio_printf(pb, "<head>\n");
4259 if (!(mov->fc->flags & AVFMT_FLAG_BITEXACT))
4260 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
4262 avio_printf(pb, "</head>\n");
4263 avio_printf(pb, "<body>\n");
4264 avio_printf(pb, "<switch>\n");
4266 mov_setup_track_ids(mov, s);
4268 for (i = 0; i < mov->nb_streams; i++) {
4269 MOVTrack *track = &mov->tracks[i];
4270 struct mpeg4_bit_rate_values bit_rates =
4271 calculate_mpeg4_bit_rates(track);
4273 int track_id = track->track_id;
4274 char track_name_buf[32] = { 0 };
4276 AVStream *st = track->st;
4277 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
4279 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO && !is_cover_image(st)) {
4281 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
4287 avio_printf(pb, "<%s systemBitrate=\"%"PRIu32"\">\n", type,
4288 bit_rates.avg_bit_rate);
4289 param_write_int(pb, "systemBitrate", bit_rates.avg_bit_rate);
4290 param_write_int(pb, "trackID", track_id);
4291 param_write_string(pb, "systemLanguage", lang ? lang->value : "und");
4293 /* Build track name piece by piece: */
4295 av_strlcat(track_name_buf, type, sizeof(track_name_buf));
4296 /* 2. track language, if available */
4298 av_strlcatf(track_name_buf, sizeof(track_name_buf),
4299 "_%s", lang->value);
4300 /* 3. special type suffix */
4301 /* "_cc" = closed captions, "_ad" = audio_description */
4302 if (st->disposition & AV_DISPOSITION_HEARING_IMPAIRED)
4303 av_strlcat(track_name_buf, "_cc", sizeof(track_name_buf));
4304 else if (st->disposition & AV_DISPOSITION_VISUAL_IMPAIRED)
4305 av_strlcat(track_name_buf, "_ad", sizeof(track_name_buf));
4307 param_write_string(pb, "trackName", track_name_buf);
4309 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
4310 if (track->par->codec_id == AV_CODEC_ID_H264) {
4312 int size = track->par->extradata_size;
4313 if (!ff_avc_write_annexb_extradata(track->par->extradata, &ptr,
4315 param_write_hex(pb, "CodecPrivateData",
4316 ptr ? ptr : track->par->extradata,
4320 param_write_string(pb, "FourCC", "H264");
4321 } else if (track->par->codec_id == AV_CODEC_ID_VC1) {
4322 param_write_string(pb, "FourCC", "WVC1");
4323 param_write_hex(pb, "CodecPrivateData", track->par->extradata,
4324 track->par->extradata_size);
4326 param_write_int(pb, "MaxWidth", track->par->width);
4327 param_write_int(pb, "MaxHeight", track->par->height);
4328 param_write_int(pb, "DisplayWidth", track->par->width);
4329 param_write_int(pb, "DisplayHeight", track->par->height);
4331 if (track->par->codec_id == AV_CODEC_ID_AAC) {
4332 switch (track->par->profile)
4334 case FF_PROFILE_AAC_HE_V2:
4335 param_write_string(pb, "FourCC", "AACP");
4337 case FF_PROFILE_AAC_HE:
4338 param_write_string(pb, "FourCC", "AACH");
4341 param_write_string(pb, "FourCC", "AACL");
4343 } else if (track->par->codec_id == AV_CODEC_ID_WMAPRO) {
4344 param_write_string(pb, "FourCC", "WMAP");
4346 param_write_hex(pb, "CodecPrivateData", track->par->extradata,
4347 track->par->extradata_size);
4348 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
4349 track->par->codec_id));
4350 param_write_int(pb, "Channels", track->par->channels);
4351 param_write_int(pb, "SamplingRate", track->par->sample_rate);
4352 param_write_int(pb, "BitsPerSample", 16);
4353 param_write_int(pb, "PacketSize", track->par->block_align ?
4354 track->par->block_align : 4);
4356 avio_printf(pb, "</%s>\n", type);
4358 avio_printf(pb, "</switch>\n");
4359 avio_printf(pb, "</body>\n");
4360 avio_printf(pb, "</smil>\n");
4362 return update_size(pb, pos);
4365 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
4368 ffio_wfourcc(pb, "mfhd");
4370 avio_wb32(pb, mov->fragments);
4374 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
4376 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
4377 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
4380 static int mov_write_tfhd_tag(AVIOContext *pb, MOVMuxContext *mov,
4381 MOVTrack *track, int64_t moof_offset)
4383 int64_t pos = avio_tell(pb);
4384 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
4385 MOV_TFHD_BASE_DATA_OFFSET;
4386 if (!track->entry) {
4387 flags |= MOV_TFHD_DURATION_IS_EMPTY;
4389 flags |= MOV_TFHD_DEFAULT_FLAGS;
4391 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET)
4392 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
4393 if (mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) {
4394 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
4395 flags |= MOV_TFHD_DEFAULT_BASE_IS_MOOF;
4397 /* CMAF requires all values to be explicit in tfhd atoms */
4398 if (mov->flags & FF_MOV_FLAG_CMAF)
4399 flags |= MOV_TFHD_STSD_ID;
4401 /* Don't set a default sample size, the silverlight player refuses
4402 * to play files with that set. Don't set a default sample duration,
4403 * WMP freaks out if it is set. Don't set a base data offset, PIFF
4404 * file format says it MUST NOT be set. */
4405 if (track->mode == MODE_ISM)
4406 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
4407 MOV_TFHD_BASE_DATA_OFFSET | MOV_TFHD_STSD_ID);
4409 avio_wb32(pb, 0); /* size placeholder */
4410 ffio_wfourcc(pb, "tfhd");
4411 avio_w8(pb, 0); /* version */
4412 avio_wb24(pb, flags);
4414 avio_wb32(pb, track->track_id); /* track-id */
4415 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
4416 avio_wb64(pb, moof_offset);
4417 if (flags & MOV_TFHD_STSD_ID) {
4420 if (flags & MOV_TFHD_DEFAULT_DURATION) {
4421 track->default_duration = get_cluster_duration(track, 0);
4422 avio_wb32(pb, track->default_duration);
4424 if (flags & MOV_TFHD_DEFAULT_SIZE) {
4425 track->default_size = track->entry ? track->cluster[0].size : 1;
4426 avio_wb32(pb, track->default_size);
4428 track->default_size = -1;
4430 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
4431 /* Set the default flags based on the second sample, if available.
4432 * If the first sample is different, that can be signaled via a separate field. */
4433 if (track->entry > 1)
4434 track->default_sample_flags = get_sample_flags(track, &track->cluster[1]);
4436 track->default_sample_flags =
4437 track->par->codec_type == AVMEDIA_TYPE_VIDEO ?
4438 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
4439 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
4440 avio_wb32(pb, track->default_sample_flags);
4443 return update_size(pb, pos);
4446 static int mov_write_trun_tag(AVIOContext *pb, MOVMuxContext *mov,
4447 MOVTrack *track, int moof_size,
4450 int64_t pos = avio_tell(pb);
4451 uint32_t flags = MOV_TRUN_DATA_OFFSET;
4454 for (i = first; i < end; i++) {
4455 if (get_cluster_duration(track, i) != track->default_duration)
4456 flags |= MOV_TRUN_SAMPLE_DURATION;
4457 if (track->cluster[i].size != track->default_size)
4458 flags |= MOV_TRUN_SAMPLE_SIZE;
4459 if (i > first && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
4460 flags |= MOV_TRUN_SAMPLE_FLAGS;
4462 if (!(flags & MOV_TRUN_SAMPLE_FLAGS) && track->entry > 0 &&
4463 get_sample_flags(track, &track->cluster[0]) != track->default_sample_flags)
4464 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
4465 if (track->flags & MOV_TRACK_CTTS)
4466 flags |= MOV_TRUN_SAMPLE_CTS;
4468 avio_wb32(pb, 0); /* size placeholder */
4469 ffio_wfourcc(pb, "trun");
4470 if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4471 avio_w8(pb, 1); /* version */
4473 avio_w8(pb, 0); /* version */
4474 avio_wb24(pb, flags);
4476 avio_wb32(pb, end - first); /* sample count */
4477 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
4478 !(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) &&
4480 avio_wb32(pb, 0); /* Later tracks follow immediately after the previous one */
4482 avio_wb32(pb, moof_size + 8 + track->data_offset +
4483 track->cluster[first].pos); /* data offset */
4484 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
4485 avio_wb32(pb, get_sample_flags(track, &track->cluster[first]));
4487 for (i = first; i < end; i++) {
4488 if (flags & MOV_TRUN_SAMPLE_DURATION)
4489 avio_wb32(pb, get_cluster_duration(track, i));
4490 if (flags & MOV_TRUN_SAMPLE_SIZE)
4491 avio_wb32(pb, track->cluster[i].size);
4492 if (flags & MOV_TRUN_SAMPLE_FLAGS)
4493 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
4494 if (flags & MOV_TRUN_SAMPLE_CTS)
4495 avio_wb32(pb, track->cluster[i].cts);
4498 mov->first_trun = 0;
4499 return update_size(pb, pos);
4502 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
4504 int64_t pos = avio_tell(pb);
4505 static const uint8_t uuid[] = {
4506 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
4507 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
4510 avio_wb32(pb, 0); /* size placeholder */
4511 ffio_wfourcc(pb, "uuid");
4512 avio_write(pb, uuid, sizeof(uuid));
4515 avio_wb64(pb, track->start_dts + track->frag_start +
4516 track->cluster[0].cts);
4517 avio_wb64(pb, track->end_pts -
4518 (track->cluster[0].dts + track->cluster[0].cts));
4520 return update_size(pb, pos);
4523 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
4524 MOVTrack *track, int entry)
4526 int n = track->nb_frag_info - 1 - entry, i;
4527 int size = 8 + 16 + 4 + 1 + 16*n;
4528 static const uint8_t uuid[] = {
4529 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
4530 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
4536 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
4537 avio_wb32(pb, size);
4538 ffio_wfourcc(pb, "uuid");
4539 avio_write(pb, uuid, sizeof(uuid));
4543 for (i = 0; i < n; i++) {
4544 int index = entry + 1 + i;
4545 avio_wb64(pb, track->frag_info[index].time);
4546 avio_wb64(pb, track->frag_info[index].duration);
4548 if (n < mov->ism_lookahead) {
4549 int free_size = 16 * (mov->ism_lookahead - n);
4550 avio_wb32(pb, free_size);
4551 ffio_wfourcc(pb, "free");
4552 ffio_fill(pb, 0, free_size - 8);
4558 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
4561 int64_t pos = avio_tell(pb);
4563 for (i = 0; i < mov->ism_lookahead; i++) {
4564 /* Update the tfrf tag for the last ism_lookahead fragments,
4565 * nb_frag_info - 1 is the next fragment to be written. */
4566 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
4568 avio_seek(pb, pos, SEEK_SET);
4572 static int mov_add_tfra_entries(AVIOContext *pb, MOVMuxContext *mov, int tracks,
4576 for (i = 0; i < mov->nb_streams; i++) {
4577 MOVTrack *track = &mov->tracks[i];
4578 MOVFragmentInfo *info;
4579 if ((tracks >= 0 && i != tracks) || !track->entry)
4581 track->nb_frag_info++;
4582 if (track->nb_frag_info >= track->frag_info_capacity) {
4583 unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT;
4584 if (av_reallocp_array(&track->frag_info,
4586 sizeof(*track->frag_info)))
4587 return AVERROR(ENOMEM);
4588 track->frag_info_capacity = new_capacity;
4590 info = &track->frag_info[track->nb_frag_info - 1];
4591 info->offset = avio_tell(pb);
4593 // Try to recreate the original pts for the first packet
4594 // from the fields we have stored
4595 info->time = track->start_dts + track->frag_start +
4596 track->cluster[0].cts;
4597 info->duration = track->end_pts -
4598 (track->cluster[0].dts + track->cluster[0].cts);
4599 // If the pts is less than zero, we will have trimmed
4600 // away parts of the media track using an edit list,
4601 // and the corresponding start presentation time is zero.
4602 if (info->time < 0) {
4603 info->duration += info->time;
4606 info->tfrf_offset = 0;
4607 mov_write_tfrf_tags(pb, mov, track);
4612 static void mov_prune_frag_info(MOVMuxContext *mov, int tracks, int max)
4615 for (i = 0; i < mov->nb_streams; i++) {
4616 MOVTrack *track = &mov->tracks[i];
4617 if ((tracks >= 0 && i != tracks) || !track->entry)
4619 if (track->nb_frag_info > max) {
4620 memmove(track->frag_info, track->frag_info + (track->nb_frag_info - max), max * sizeof(*track->frag_info));
4621 track->nb_frag_info = max;
4626 static int mov_write_tfdt_tag(AVIOContext *pb, MOVTrack *track)
4628 int64_t pos = avio_tell(pb);
4630 avio_wb32(pb, 0); /* size */
4631 ffio_wfourcc(pb, "tfdt");
4632 avio_w8(pb, 1); /* version */
4634 avio_wb64(pb, track->frag_start);
4635 return update_size(pb, pos);
4638 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
4639 MOVTrack *track, int64_t moof_offset,
4642 int64_t pos = avio_tell(pb);
4644 avio_wb32(pb, 0); /* size placeholder */
4645 ffio_wfourcc(pb, "traf");
4647 mov_write_tfhd_tag(pb, mov, track, moof_offset);
4648 if (mov->mode != MODE_ISM)
4649 mov_write_tfdt_tag(pb, track);
4650 for (i = 1; i < track->entry; i++) {
4651 if (track->cluster[i].pos != track->cluster[i - 1].pos + track->cluster[i - 1].size) {
4652 mov_write_trun_tag(pb, mov, track, moof_size, start, i);
4656 mov_write_trun_tag(pb, mov, track, moof_size, start, track->entry);
4657 if (mov->mode == MODE_ISM) {
4658 mov_write_tfxd_tag(pb, track);
4660 if (mov->ism_lookahead) {
4661 int i, size = 16 + 4 + 1 + 16 * mov->ism_lookahead;
4663 if (track->nb_frag_info > 0) {
4664 MOVFragmentInfo *info = &track->frag_info[track->nb_frag_info - 1];
4665 if (!info->tfrf_offset)
4666 info->tfrf_offset = avio_tell(pb);
4668 avio_wb32(pb, 8 + size);
4669 ffio_wfourcc(pb, "free");
4670 for (i = 0; i < size; i++)
4675 return update_size(pb, pos);
4678 static int mov_write_moof_tag_internal(AVIOContext *pb, MOVMuxContext *mov,
4679 int tracks, int moof_size)
4681 int64_t pos = avio_tell(pb);
4684 avio_wb32(pb, 0); /* size placeholder */
4685 ffio_wfourcc(pb, "moof");
4686 mov->first_trun = 1;
4688 mov_write_mfhd_tag(pb, mov);
4689 for (i = 0; i < mov->nb_streams; i++) {
4690 MOVTrack *track = &mov->tracks[i];
4691 if (tracks >= 0 && i != tracks)
4695 mov_write_traf_tag(pb, mov, track, pos, moof_size);
4698 return update_size(pb, pos);
4701 static int mov_write_sidx_tag(AVIOContext *pb,
4702 MOVTrack *track, int ref_size, int total_sidx_size)
4704 int64_t pos = avio_tell(pb), offset_pos, end_pos;
4705 int64_t presentation_time, duration, offset;
4706 unsigned starts_with_SAP;
4711 presentation_time = track->start_dts + track->frag_start +
4712 track->cluster[0].cts;
4713 duration = track->end_pts -
4714 (track->cluster[0].dts + track->cluster[0].cts);
4715 starts_with_SAP = track->cluster[0].flags & MOV_SYNC_SAMPLE;
4717 // pts<0 should be cut away using edts
4718 if (presentation_time < 0) {
4719 duration += presentation_time;
4720 presentation_time = 0;
4723 entries = track->nb_frag_info;
4726 presentation_time = track->frag_info[0].time;
4729 avio_wb32(pb, 0); /* size */
4730 ffio_wfourcc(pb, "sidx");
4731 avio_w8(pb, 1); /* version */
4733 avio_wb32(pb, track->track_id); /* reference_ID */
4734 avio_wb32(pb, track->timescale); /* timescale */
4735 avio_wb64(pb, presentation_time); /* earliest_presentation_time */
4736 offset_pos = avio_tell(pb);
4737 avio_wb64(pb, 0); /* first_offset (offset to referenced moof) */
4738 avio_wb16(pb, 0); /* reserved */
4740 avio_wb16(pb, entries); /* reference_count */
4741 for (i = 0; i < entries; i++) {
4742 if (!track->entry) {
4743 if (i > 1 && track->frag_info[i].offset != track->frag_info[i - 1].offset + track->frag_info[i - 1].size) {
4744 av_log(NULL, AV_LOG_ERROR, "Non-consecutive fragments, writing incorrect sidx\n");
4746 duration = track->frag_info[i].duration;
4747 ref_size = track->frag_info[i].size;
4748 starts_with_SAP = 1;
4750 avio_wb32(pb, (0 << 31) | (ref_size & 0x7fffffff)); /* reference_type (0 = media) | referenced_size */
4751 avio_wb32(pb, duration); /* subsegment_duration */
4752 avio_wb32(pb, (starts_with_SAP << 31) | (0 << 28) | 0); /* starts_with_SAP | SAP_type | SAP_delta_time */
4755 end_pos = avio_tell(pb);
4756 offset = pos + total_sidx_size - end_pos;
4757 avio_seek(pb, offset_pos, SEEK_SET);
4758 avio_wb64(pb, offset);
4759 avio_seek(pb, end_pos, SEEK_SET);
4760 return update_size(pb, pos);
4763 static int mov_write_sidx_tags(AVIOContext *pb, MOVMuxContext *mov,
4764 int tracks, int ref_size)
4767 AVIOContext *avio_buf;
4769 for (round = 0; round < 2; round++) {
4770 // First run one round to calculate the total size of all
4772 // This would be much simpler if we'd only write one sidx
4773 // atom, for the first track in the moof.
4775 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
4780 for (i = 0; i < mov->nb_streams; i++) {
4781 MOVTrack *track = &mov->tracks[i];
4782 if (tracks >= 0 && i != tracks)
4784 // When writing a sidx for the full file, entry is 0, but
4785 // we want to include all tracks. ref_size is 0 in this case,
4786 // since we read it from frag_info instead.
4787 if (!track->entry && ref_size > 0)
4789 total_size -= mov_write_sidx_tag(avio_buf, track, ref_size,
4793 total_size = ffio_close_null_buf(avio_buf);
4798 static int mov_write_prft_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
4800 int64_t pos = avio_tell(pb), pts_us, ntp_ts;
4801 MOVTrack *first_track;
4804 /* PRFT should be associated with at most one track. So, choosing only the
4808 first_track = &(mov->tracks[0]);
4810 if (!first_track->entry) {
4811 av_log(mov->fc, AV_LOG_WARNING, "Unable to write PRFT, no entries in the track\n");
4815 if (first_track->cluster[0].pts == AV_NOPTS_VALUE) {
4816 av_log(mov->fc, AV_LOG_WARNING, "Unable to write PRFT, first PTS is invalid\n");
4820 if (mov->write_prft == MOV_PRFT_SRC_WALLCLOCK) {
4821 if (first_track->cluster[0].prft.wallclock) {
4822 /* Round the NTP time to whole milliseconds. */
4823 ntp_ts = ff_get_formatted_ntp_time((first_track->cluster[0].prft.wallclock / 1000) * 1000 +
4825 flags = first_track->cluster[0].prft.flags;
4827 ntp_ts = ff_get_formatted_ntp_time(ff_ntp_time());
4828 } else if (mov->write_prft == MOV_PRFT_SRC_PTS) {
4829 pts_us = av_rescale_q(first_track->cluster[0].pts,
4830 first_track->st->time_base, AV_TIME_BASE_Q);
4831 ntp_ts = ff_get_formatted_ntp_time(pts_us + NTP_OFFSET_US);
4833 av_log(mov->fc, AV_LOG_WARNING, "Unsupported PRFT box configuration: %d\n",
4838 avio_wb32(pb, 0); // Size place holder
4839 ffio_wfourcc(pb, "prft"); // Type
4840 avio_w8(pb, 1); // Version
4841 avio_wb24(pb, flags); // Flags
4842 avio_wb32(pb, first_track->track_id); // reference track ID
4843 avio_wb64(pb, ntp_ts); // NTP time stamp
4844 avio_wb64(pb, first_track->cluster[0].pts); //media time
4845 return update_size(pb, pos);
4848 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks,
4851 AVIOContext *avio_buf;
4854 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
4856 mov_write_moof_tag_internal(avio_buf, mov, tracks, 0);
4857 moof_size = ffio_close_null_buf(avio_buf);
4859 if (mov->flags & FF_MOV_FLAG_DASH &&
4860 !(mov->flags & (FF_MOV_FLAG_GLOBAL_SIDX | FF_MOV_FLAG_SKIP_SIDX)))
4861 mov_write_sidx_tags(pb, mov, tracks, moof_size + 8 + mdat_size);
4863 if (mov->write_prft > MOV_PRFT_NONE && mov->write_prft < MOV_PRFT_NB)
4864 mov_write_prft_tag(pb, mov, tracks);
4866 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX ||
4867 !(mov->flags & FF_MOV_FLAG_SKIP_TRAILER) ||
4868 mov->ism_lookahead) {
4869 if ((ret = mov_add_tfra_entries(pb, mov, tracks, moof_size + 8 + mdat_size)) < 0)
4871 if (!(mov->flags & FF_MOV_FLAG_GLOBAL_SIDX) &&
4872 mov->flags & FF_MOV_FLAG_SKIP_TRAILER) {
4873 mov_prune_frag_info(mov, tracks, mov->ism_lookahead + 1);
4877 return mov_write_moof_tag_internal(pb, mov, tracks, moof_size);
4880 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
4882 int64_t pos = avio_tell(pb);
4885 avio_wb32(pb, 0); /* size placeholder */
4886 ffio_wfourcc(pb, "tfra");
4887 avio_w8(pb, 1); /* version */
4890 avio_wb32(pb, track->track_id);
4891 avio_wb32(pb, 0); /* length of traf/trun/sample num */
4892 avio_wb32(pb, track->nb_frag_info);
4893 for (i = 0; i < track->nb_frag_info; i++) {
4894 avio_wb64(pb, track->frag_info[i].time);
4895 avio_wb64(pb, track->frag_info[i].offset + track->data_offset);
4896 avio_w8(pb, 1); /* traf number */
4897 avio_w8(pb, 1); /* trun number */
4898 avio_w8(pb, 1); /* sample number */
4901 return update_size(pb, pos);
4904 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
4906 AVIOContext *mfra_pb;
4910 ret = avio_open_dyn_buf(&mfra_pb);
4914 avio_wb32(mfra_pb, 0); /* size placeholder */
4915 ffio_wfourcc(mfra_pb, "mfra");
4916 /* An empty mfra atom is enough to indicate to the publishing point that
4917 * the stream has ended. */
4918 if (mov->flags & FF_MOV_FLAG_ISML)
4921 for (i = 0; i < mov->nb_streams; i++) {
4922 MOVTrack *track = &mov->tracks[i];
4923 if (track->nb_frag_info)
4924 mov_write_tfra_tag(mfra_pb, track);
4927 avio_wb32(mfra_pb, 16);
4928 ffio_wfourcc(mfra_pb, "mfro");
4929 avio_wb32(mfra_pb, 0); /* version + flags */
4930 avio_wb32(mfra_pb, avio_tell(mfra_pb) + 4);
4934 sz = update_size(mfra_pb, 0);
4935 ret = avio_get_dyn_buf(mfra_pb, &buf);
4936 avio_write(pb, buf, ret);
4937 ffio_free_dyn_buf(&mfra_pb);
4942 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
4944 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
4945 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
4947 mov->mdat_pos = avio_tell(pb);
4948 avio_wb32(pb, 0); /* size placeholder*/
4949 ffio_wfourcc(pb, "mdat");
4953 static void mov_write_ftyp_tag_internal(AVIOContext *pb, AVFormatContext *s,
4954 int has_h264, int has_video, int write_minor)
4956 MOVMuxContext *mov = s->priv_data;
4959 if (mov->major_brand && strlen(mov->major_brand) >= 4)
4960 ffio_wfourcc(pb, mov->major_brand);
4961 else if (mov->mode == MODE_3GP) {
4962 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
4963 minor = has_h264 ? 0x100 : 0x200;
4964 } else if (mov->mode & MODE_3G2) {
4965 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
4966 minor = has_h264 ? 0x20000 : 0x10000;
4967 } else if (mov->mode == MODE_PSP)
4968 ffio_wfourcc(pb, "MSNV");
4969 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_FRAGMENT &&
4970 mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4971 ffio_wfourcc(pb, "iso6"); // Required when using signed CTS offsets in trun boxes
4972 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
4973 ffio_wfourcc(pb, "iso5"); // Required when using default-base-is-moof
4974 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4975 ffio_wfourcc(pb, "iso4");
4976 else if (mov->mode == MODE_MP4)
4977 ffio_wfourcc(pb, "isom");
4978 else if (mov->mode == MODE_IPOD)
4979 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
4980 else if (mov->mode == MODE_ISM)
4981 ffio_wfourcc(pb, "isml");
4982 else if (mov->mode == MODE_F4V)
4983 ffio_wfourcc(pb, "f4v ");
4985 ffio_wfourcc(pb, "qt ");
4988 avio_wb32(pb, minor);
4991 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
4993 MOVMuxContext *mov = s->priv_data;
4994 int64_t pos = avio_tell(pb);
4995 int has_h264 = 0, has_av1 = 0, has_video = 0;
4998 for (i = 0; i < s->nb_streams; i++) {
4999 AVStream *st = s->streams[i];
5000 if (is_cover_image(st))
5002 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
5004 if (st->codecpar->codec_id == AV_CODEC_ID_H264)
5006 if (st->codecpar->codec_id == AV_CODEC_ID_AV1)
5010 avio_wb32(pb, 0); /* size */
5011 ffio_wfourcc(pb, "ftyp");
5013 // Write major brand
5014 mov_write_ftyp_tag_internal(pb, s, has_h264, has_video, 1);
5015 // Write the major brand as the first compatible brand as well
5016 mov_write_ftyp_tag_internal(pb, s, has_h264, has_video, 0);
5018 // Write compatible brands, ensuring that we don't write the major brand as a
5019 // compatible brand a second time.
5020 if (mov->mode == MODE_ISM) {
5021 ffio_wfourcc(pb, "piff");
5022 } else if (mov->mode != MODE_MOV) {
5023 // We add tfdt atoms when fragmenting, signal this with the iso6 compatible
5024 // brand, if not already the major brand. This is compatible with users that
5025 // don't understand tfdt.
5026 if (mov->mode == MODE_MP4) {
5027 if (mov->flags & FF_MOV_FLAG_CMAF)
5028 ffio_wfourcc(pb, "cmfc");
5029 if (mov->flags & FF_MOV_FLAG_FRAGMENT && !(mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS))
5030 ffio_wfourcc(pb, "iso6");
5032 ffio_wfourcc(pb, "av01");
5034 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
5035 ffio_wfourcc(pb, "iso6");
5036 if (mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
5037 ffio_wfourcc(pb, "iso5");
5038 else if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
5039 ffio_wfourcc(pb, "iso4");
5041 // Brands prior to iso5 can't be signaled when using default-base-is-moof
5042 if (!(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)) {
5043 // write isom for mp4 only if it it's not the major brand already.
5044 if (mov->mode != MODE_MP4 || mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
5045 ffio_wfourcc(pb, "isom");
5046 ffio_wfourcc(pb, "iso2");
5048 ffio_wfourcc(pb, "avc1");
5052 if (mov->mode == MODE_MP4)
5053 ffio_wfourcc(pb, "mp41");
5055 if (mov->flags & FF_MOV_FLAG_DASH && mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
5056 ffio_wfourcc(pb, "dash");
5058 return update_size(pb, pos);
5061 static int mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
5063 AVStream *video_st = s->streams[0];
5064 AVCodecParameters *video_par = s->streams[0]->codecpar;
5065 AVCodecParameters *audio_par = s->streams[1]->codecpar;
5066 int audio_rate = audio_par->sample_rate;
5067 int64_t frame_rate = video_st->avg_frame_rate.den ?
5068 (video_st->avg_frame_rate.num * 0x10000LL) / video_st->avg_frame_rate.den :
5070 int audio_kbitrate = audio_par->bit_rate / 1000;
5071 int video_kbitrate = FFMIN(video_par->bit_rate / 1000, 800 - audio_kbitrate);
5073 if (frame_rate < 0 || frame_rate > INT32_MAX) {
5074 av_log(s, AV_LOG_ERROR, "Frame rate %f outside supported range\n", frame_rate / (double)0x10000);
5075 return AVERROR(EINVAL);
5078 avio_wb32(pb, 0x94); /* size */
5079 ffio_wfourcc(pb, "uuid");
5080 ffio_wfourcc(pb, "PROF");
5082 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
5083 avio_wb32(pb, 0xbb88695c);
5084 avio_wb32(pb, 0xfac9c740);
5086 avio_wb32(pb, 0x0); /* ? */
5087 avio_wb32(pb, 0x3); /* 3 sections ? */
5089 avio_wb32(pb, 0x14); /* size */
5090 ffio_wfourcc(pb, "FPRF");
5091 avio_wb32(pb, 0x0); /* ? */
5092 avio_wb32(pb, 0x0); /* ? */
5093 avio_wb32(pb, 0x0); /* ? */
5095 avio_wb32(pb, 0x2c); /* size */
5096 ffio_wfourcc(pb, "APRF"); /* audio */
5098 avio_wb32(pb, 0x2); /* TrackID */
5099 ffio_wfourcc(pb, "mp4a");
5100 avio_wb32(pb, 0x20f);
5102 avio_wb32(pb, audio_kbitrate);
5103 avio_wb32(pb, audio_kbitrate);
5104 avio_wb32(pb, audio_rate);
5105 avio_wb32(pb, audio_par->channels);
5107 avio_wb32(pb, 0x34); /* size */
5108 ffio_wfourcc(pb, "VPRF"); /* video */
5110 avio_wb32(pb, 0x1); /* TrackID */
5111 if (video_par->codec_id == AV_CODEC_ID_H264) {
5112 ffio_wfourcc(pb, "avc1");
5113 avio_wb16(pb, 0x014D);
5114 avio_wb16(pb, 0x0015);
5116 ffio_wfourcc(pb, "mp4v");
5117 avio_wb16(pb, 0x0000);
5118 avio_wb16(pb, 0x0103);
5121 avio_wb32(pb, video_kbitrate);
5122 avio_wb32(pb, video_kbitrate);
5123 avio_wb32(pb, frame_rate);
5124 avio_wb32(pb, frame_rate);
5125 avio_wb16(pb, video_par->width);
5126 avio_wb16(pb, video_par->height);
5127 avio_wb32(pb, 0x010001); /* ? */
5132 static int mov_write_identification(AVIOContext *pb, AVFormatContext *s)
5134 MOVMuxContext *mov = s->priv_data;
5137 mov_write_ftyp_tag(pb,s);
5138 if (mov->mode == MODE_PSP) {
5139 int video_streams_nb = 0, audio_streams_nb = 0, other_streams_nb = 0;
5140 for (i = 0; i < s->nb_streams; i++) {
5141 AVStream *st = s->streams[i];
5142 if (is_cover_image(st))
5144 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
5146 else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
5152 if (video_streams_nb != 1 || audio_streams_nb != 1 || other_streams_nb) {
5153 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
5154 return AVERROR(EINVAL);
5156 return mov_write_uuidprof_tag(pb, s);
5161 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
5164 int i, closed_gop = 0;
5166 for (i = 0; i < pkt->size - 4; i++) {
5167 c = (c << 8) + pkt->data[i];
5168 if (c == 0x1b8) { // gop
5169 closed_gop = pkt->data[i + 4] >> 6 & 0x01;
5170 } else if (c == 0x100) { // pic
5171 int temp_ref = (pkt->data[i + 1] << 2) | (pkt->data[i + 2] >> 6);
5172 if (!temp_ref || closed_gop) // I picture is not reordered
5173 *flags = MOV_SYNC_SAMPLE;
5175 *flags = MOV_PARTIAL_SYNC_SAMPLE;
5182 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk)
5184 const uint8_t *start, *next, *end = pkt->data + pkt->size;
5185 int seq = 0, entry = 0;
5186 int key = pkt->flags & AV_PKT_FLAG_KEY;
5187 start = find_next_marker(pkt->data, end);
5188 for (next = start; next < end; start = next) {
5189 next = find_next_marker(start + 4, end);
5190 switch (AV_RB32(start)) {
5191 case VC1_CODE_SEQHDR:
5194 case VC1_CODE_ENTRYPOINT:
5197 case VC1_CODE_SLICE:
5198 trk->vc1_info.slices = 1;
5202 if (!trk->entry && trk->vc1_info.first_packet_seen)
5203 trk->vc1_info.first_frag_written = 1;
5204 if (!trk->entry && !trk->vc1_info.first_frag_written) {
5205 /* First packet in first fragment */
5206 trk->vc1_info.first_packet_seq = seq;
5207 trk->vc1_info.first_packet_entry = entry;
5208 trk->vc1_info.first_packet_seen = 1;
5209 } else if ((seq && !trk->vc1_info.packet_seq) ||
5210 (entry && !trk->vc1_info.packet_entry)) {
5212 for (i = 0; i < trk->entry; i++)
5213 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
5214 trk->has_keyframes = 0;
5216 trk->vc1_info.packet_seq = 1;
5218 trk->vc1_info.packet_entry = 1;
5219 if (!trk->vc1_info.first_frag_written) {
5220 /* First fragment */
5221 if ((!seq || trk->vc1_info.first_packet_seq) &&
5222 (!entry || trk->vc1_info.first_packet_entry)) {
5223 /* First packet had the same headers as this one, readd the
5224 * sync sample flag. */
5225 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
5226 trk->has_keyframes = 1;
5230 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
5232 else if (trk->vc1_info.packet_seq)
5234 else if (trk->vc1_info.packet_entry)
5237 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
5238 trk->has_keyframes++;
5242 static void mov_parse_truehd_frame(AVPacket *pkt, MOVTrack *trk)
5249 length = (AV_RB16(pkt->data) & 0xFFF) * 2;
5250 if (length < 8 || length > pkt->size)
5253 if (AV_RB32(pkt->data + 4) == 0xF8726FBA) {
5254 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
5255 trk->has_keyframes++;
5261 static int mov_flush_fragment_interleaving(AVFormatContext *s, MOVTrack *track)
5263 MOVMuxContext *mov = s->priv_data;
5268 if (!track->mdat_buf)
5270 if (!mov->mdat_buf) {
5271 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
5274 buf_size = avio_get_dyn_buf(track->mdat_buf, &buf);
5276 offset = avio_tell(mov->mdat_buf);
5277 avio_write(mov->mdat_buf, buf, buf_size);
5278 ffio_free_dyn_buf(&track->mdat_buf);
5280 for (i = track->entries_flushed; i < track->entry; i++)
5281 track->cluster[i].pos += offset;
5282 track->entries_flushed = track->entry;
5286 static int mov_flush_fragment(AVFormatContext *s, int force)
5288 MOVMuxContext *mov = s->priv_data;
5289 int i, first_track = -1;
5290 int64_t mdat_size = 0;
5292 int has_video = 0, starts_with_key = 0, first_video_track = 1;
5294 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
5297 // Try to fill in the duration of the last packet in each stream
5298 // from queued packets in the interleave queues. If the flushing
5299 // of fragments was triggered automatically by an AVPacket, we
5300 // already have reliable info for the end of that track, but other
5301 // tracks may need to be filled in.
5302 for (i = 0; i < s->nb_streams; i++) {
5303 MOVTrack *track = &mov->tracks[i];
5304 if (!track->end_reliable) {
5305 const AVPacket *pkt = ff_interleaved_peek(s, i);
5307 int64_t offset, dts, pts;
5308 ff_get_muxer_ts_offset(s, i, &offset);
5309 pts = pkt->pts + offset;
5310 dts = pkt->dts + offset;
5311 if (track->dts_shift != AV_NOPTS_VALUE)
5312 dts += track->dts_shift;
5313 track->track_duration = dts - track->start_dts;
5314 if (pts != AV_NOPTS_VALUE)
5315 track->end_pts = pts;
5317 track->end_pts = dts;
5322 for (i = 0; i < mov->nb_streams; i++) {
5323 MOVTrack *track = &mov->tracks[i];
5324 if (track->entry <= 1)
5326 // Sample durations are calculated as the diff of dts values,
5327 // but for the last sample in a fragment, we don't know the dts
5328 // of the first sample in the next fragment, so we have to rely
5329 // on what was set as duration in the AVPacket. Not all callers
5330 // set this though, so we might want to replace it with an
5331 // estimate if it currently is zero.
5332 if (get_cluster_duration(track, track->entry - 1) != 0)
5334 // Use the duration (i.e. dts diff) of the second last sample for
5335 // the last one. This is a wild guess (and fatal if it turns out
5336 // to be too long), but probably the best we can do - having a zero
5337 // duration is bad as well.
5338 track->track_duration += get_cluster_duration(track, track->entry - 2);
5339 track->end_pts += get_cluster_duration(track, track->entry - 2);
5340 if (!mov->missing_duration_warned) {
5341 av_log(s, AV_LOG_WARNING,
5342 "Estimating the duration of the last packet in a "
5343 "fragment, consider setting the duration field in "
5344 "AVPacket instead.\n");
5345 mov->missing_duration_warned = 1;
5349 if (!mov->moov_written) {
5350 int64_t pos = avio_tell(s->pb);
5352 int buf_size, moov_size;
5354 for (i = 0; i < mov->nb_streams; i++)
5355 if (!mov->tracks[i].entry && !is_cover_image(mov->tracks[i].st))
5357 /* Don't write the initial moov unless all tracks have data */
5358 if (i < mov->nb_streams && !force)
5361 moov_size = get_moov_size(s);
5362 for (i = 0; i < mov->nb_streams; i++)
5363 mov->tracks[i].data_offset = pos + moov_size + 8;
5365 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_HEADER);
5366 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
5367 mov_write_identification(s->pb, s);
5368 if ((ret = mov_write_moov_tag(s->pb, mov, s)) < 0)
5371 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV) {
5372 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
5373 mov->reserved_header_pos = avio_tell(s->pb);
5374 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
5375 mov->moov_written = 1;
5379 buf_size = avio_get_dyn_buf(mov->mdat_buf, &buf);
5380 avio_wb32(s->pb, buf_size + 8);
5381 ffio_wfourcc(s->pb, "mdat");
5382 avio_write(s->pb, buf, buf_size);
5383 ffio_free_dyn_buf(&mov->mdat_buf);
5385 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
5386 mov->reserved_header_pos = avio_tell(s->pb);
5388 mov->moov_written = 1;
5390 for (i = 0; i < mov->nb_streams; i++) {
5391 if (mov->tracks[i].entry)
5392 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
5393 mov->tracks[i].track_duration -
5394 mov->tracks[i].cluster[0].dts;
5395 mov->tracks[i].entry = 0;
5396 mov->tracks[i].end_reliable = 0;
5398 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
5402 if (mov->frag_interleave) {
5403 for (i = 0; i < mov->nb_streams; i++) {
5404 MOVTrack *track = &mov->tracks[i];
5406 if ((ret = mov_flush_fragment_interleaving(s, track)) < 0)
5412 mdat_size = avio_tell(mov->mdat_buf);
5415 for (i = 0; i < mov->nb_streams; i++) {
5416 MOVTrack *track = &mov->tracks[i];
5417 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF || mov->frag_interleave)
5418 track->data_offset = 0;
5420 track->data_offset = mdat_size;
5421 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
5423 if (first_video_track) {
5425 starts_with_key = track->cluster[0].flags & MOV_SYNC_SAMPLE;
5426 first_video_track = 0;
5431 if (track->mdat_buf)
5432 mdat_size += avio_tell(track->mdat_buf);
5433 if (first_track < 0)
5440 avio_write_marker(s->pb,
5441 av_rescale(mov->tracks[first_track].cluster[0].dts, AV_TIME_BASE, mov->tracks[first_track].timescale),
5442 (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);
5444 for (i = 0; i < mov->nb_streams; i++) {
5445 MOVTrack *track = &mov->tracks[i];
5446 int buf_size, write_moof = 1, moof_tracks = -1;
5448 int64_t duration = 0;
5451 duration = track->start_dts + track->track_duration -
5452 track->cluster[0].dts;
5453 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
5454 if (!track->mdat_buf)
5456 mdat_size = avio_tell(track->mdat_buf);
5459 write_moof = i == first_track;
5463 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
5465 mov_write_moof_tag(s->pb, mov, moof_tracks, mdat_size);
5468 avio_wb32(s->pb, mdat_size + 8);
5469 ffio_wfourcc(s->pb, "mdat");
5473 track->frag_start += duration;
5475 track->entries_flushed = 0;
5476 track->end_reliable = 0;
5477 if (!mov->frag_interleave) {
5478 if (!track->mdat_buf)
5480 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
5481 track->mdat_buf = NULL;
5485 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
5486 mov->mdat_buf = NULL;
5489 avio_write(s->pb, buf, buf_size);
5495 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
5499 static int mov_auto_flush_fragment(AVFormatContext *s, int force)
5501 MOVMuxContext *mov = s->priv_data;
5502 int had_moov = mov->moov_written;
5503 int ret = mov_flush_fragment(s, force);
5506 // If using delay_moov, the first flush only wrote the moov,
5507 // not the actual moof+mdat pair, thus flush once again.
5508 if (!had_moov && mov->flags & FF_MOV_FLAG_DELAY_MOOV)
5509 ret = mov_flush_fragment(s, force);
5513 static int check_pkt(AVFormatContext *s, AVPacket *pkt)
5515 MOVMuxContext *mov = s->priv_data;
5516 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5521 ref = trk->cluster[trk->entry - 1].dts;
5522 } else if ( trk->start_dts != AV_NOPTS_VALUE
5523 && !trk->frag_discont) {
5524 ref = trk->start_dts + trk->track_duration;
5526 ref = pkt->dts; // Skip tests for the first packet
5528 if (trk->dts_shift != AV_NOPTS_VALUE) {
5529 /* With negative CTS offsets we have set an offset to the DTS,
5530 * reverse this for the check. */
5531 ref -= trk->dts_shift;
5534 duration = pkt->dts - ref;
5535 if (pkt->dts < ref || duration >= INT_MAX) {
5536 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" / timestamp: %"PRId64" is out of range for mov/mp4 format\n",
5541 pkt->pts = AV_NOPTS_VALUE;
5544 if (pkt->duration < 0 || pkt->duration > INT_MAX) {
5545 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" is invalid\n", pkt->duration);
5546 return AVERROR(EINVAL);
5551 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
5553 MOVMuxContext *mov = s->priv_data;
5554 AVIOContext *pb = s->pb;
5555 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5556 AVCodecParameters *par = trk->par;
5557 AVProducerReferenceTime *prft;
5558 unsigned int samples_in_chunk = 0;
5559 int size = pkt->size, ret = 0, offset = 0;
5560 buffer_size_t prft_size;
5561 uint8_t *reformatted_data = NULL;
5563 ret = check_pkt(s, pkt);
5567 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
5569 if (mov->moov_written || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
5570 if (mov->frag_interleave && mov->fragments > 0) {
5571 if (trk->entry - trk->entries_flushed >= mov->frag_interleave) {
5572 if ((ret = mov_flush_fragment_interleaving(s, trk)) < 0)
5577 if (!trk->mdat_buf) {
5578 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
5583 if (!mov->mdat_buf) {
5584 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
5591 if (par->codec_id == AV_CODEC_ID_AMR_NB) {
5592 /* We must find out how many AMR blocks there are in one packet */
5593 static const uint16_t packed_size[16] =
5594 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
5597 while (len < size && samples_in_chunk < 100) {
5598 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
5601 if (samples_in_chunk > 1) {
5602 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
5605 } else if (par->codec_id == AV_CODEC_ID_ADPCM_MS ||
5606 par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
5607 samples_in_chunk = trk->par->frame_size;
5608 } else if (trk->sample_size)
5609 samples_in_chunk = size / trk->sample_size;
5611 samples_in_chunk = 1;
5613 if (samples_in_chunk < 1) {
5614 av_log(s, AV_LOG_ERROR, "fatal error, input packet contains no samples\n");
5615 return AVERROR_PATCHWELCOME;
5618 /* copy extradata if it exists */
5619 if (trk->vos_len == 0 && par->extradata_size > 0 &&
5620 !TAG_IS_AVCI(trk->tag) &&
5621 (par->codec_id != AV_CODEC_ID_DNXHD)) {
5622 trk->vos_len = par->extradata_size;
5623 trk->vos_data = av_malloc(trk->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
5624 if (!trk->vos_data) {
5625 ret = AVERROR(ENOMEM);
5628 memcpy(trk->vos_data, par->extradata, trk->vos_len);
5629 memset(trk->vos_data + trk->vos_len, 0, AV_INPUT_BUFFER_PADDING_SIZE);
5632 if ((par->codec_id == AV_CODEC_ID_DNXHD ||
5633 par->codec_id == AV_CODEC_ID_H264 ||
5634 par->codec_id == AV_CODEC_ID_HEVC ||
5635 par->codec_id == AV_CODEC_ID_TRUEHD ||
5636 par->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len &&
5637 !TAG_IS_AVCI(trk->tag)) {
5638 /* copy frame to create needed atoms */
5639 trk->vos_len = size;
5640 trk->vos_data = av_malloc(size + AV_INPUT_BUFFER_PADDING_SIZE);
5641 if (!trk->vos_data) {
5642 ret = AVERROR(ENOMEM);
5645 memcpy(trk->vos_data, pkt->data, size);
5646 memset(trk->vos_data + size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
5649 if (par->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 &&
5650 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
5651 if (!s->streams[pkt->stream_index]->nb_frames) {
5652 av_log(s, AV_LOG_ERROR, "Malformed AAC bitstream detected: "
5653 "use the audio bitstream filter 'aac_adtstoasc' to fix it "
5654 "('-bsf:a aac_adtstoasc' option with ffmpeg)\n");
5657 av_log(s, AV_LOG_WARNING, "aac bitstream error\n");
5659 if (par->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1 && !TAG_IS_AVCI(trk->tag)) {
5660 /* from x264 or from bytestream H.264 */
5661 /* NAL reformatting needed */
5662 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5663 ret = ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
5667 avio_write(pb, reformatted_data, size);
5669 if (trk->cenc.aes_ctr) {
5670 size = ff_mov_cenc_avc_parse_nal_units(&trk->cenc, pb, pkt->data, size);
5676 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
5679 } else if (par->codec_id == AV_CODEC_ID_HEVC && trk->vos_len > 6 &&
5680 (AV_RB24(trk->vos_data) == 1 || AV_RB32(trk->vos_data) == 1)) {
5681 /* extradata is Annex B, assume the bitstream is too and convert it */
5682 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5683 ret = ff_hevc_annexb2mp4_buf(pkt->data, &reformatted_data,
5687 avio_write(pb, reformatted_data, size);
5689 size = ff_hevc_annexb2mp4(pb, pkt->data, pkt->size, 0, NULL);
5691 } else if (par->codec_id == AV_CODEC_ID_AV1) {
5692 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5693 ret = ff_av1_filter_obus_buf(pkt->data, &reformatted_data,
5697 avio_write(pb, reformatted_data, size);
5699 size = ff_av1_filter_obus(pb, pkt->data, pkt->size);
5701 #if CONFIG_AC3_PARSER
5702 } else if (par->codec_id == AV_CODEC_ID_EAC3) {
5703 size = handle_eac3(mov, pkt, trk);
5708 avio_write(pb, pkt->data, size);
5710 } else if (par->codec_id == AV_CODEC_ID_EIA_608) {
5713 for (int i = 0; i < pkt->size; i += 3) {
5714 if (pkt->data[i] == 0xFC) {
5718 avio_wb32(pb, size);
5719 ffio_wfourcc(pb, "cdat");
5720 for (int i = 0; i < pkt->size; i += 3) {
5721 if (pkt->data[i] == 0xFC) {
5722 avio_w8(pb, pkt->data[i + 1]);
5723 avio_w8(pb, pkt->data[i + 2]);
5727 if (trk->cenc.aes_ctr) {
5728 if (par->codec_id == AV_CODEC_ID_H264 && par->extradata_size > 4) {
5729 int nal_size_length = (par->extradata[4] & 0x3) + 1;
5730 ret = ff_mov_cenc_avc_write_nal_units(s, &trk->cenc, nal_size_length, pb, pkt->data, size);
5732 ret = ff_mov_cenc_write_packet(&trk->cenc, pb, pkt->data, size);
5739 avio_write(pb, pkt->data, size);
5743 if (trk->entry >= trk->cluster_capacity) {
5744 unsigned new_capacity = trk->entry + MOV_INDEX_CLUSTER_SIZE;
5745 void *cluster = av_realloc_array(trk->cluster, new_capacity, sizeof(*trk->cluster));
5747 ret = AVERROR(ENOMEM);
5750 trk->cluster = cluster;
5751 trk->cluster_capacity = new_capacity;
5754 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
5755 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
5756 trk->cluster[trk->entry].chunkNum = 0;
5757 trk->cluster[trk->entry].size = size;
5758 trk->cluster[trk->entry].entries = samples_in_chunk;
5759 trk->cluster[trk->entry].dts = pkt->dts;
5760 trk->cluster[trk->entry].pts = pkt->pts;
5761 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
5762 if (!trk->frag_discont) {
5763 /* First packet of a new fragment. We already wrote the duration
5764 * of the last packet of the previous fragment based on track_duration,
5765 * which might not exactly match our dts. Therefore adjust the dts
5766 * of this packet to be what the previous packets duration implies. */
5767 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
5768 /* We also may have written the pts and the corresponding duration
5769 * in sidx/tfrf/tfxd tags; make sure the sidx pts and duration match up with
5770 * the next fragment. This means the cts of the first sample must
5771 * be the same in all fragments, unless end_pts was updated by
5772 * the packet causing the fragment to be written. */
5773 if ((mov->flags & FF_MOV_FLAG_DASH &&
5774 !(mov->flags & (FF_MOV_FLAG_GLOBAL_SIDX | FF_MOV_FLAG_SKIP_SIDX))) ||
5775 mov->mode == MODE_ISM)
5776 pkt->pts = pkt->dts + trk->end_pts - trk->cluster[trk->entry].dts;
5778 /* New fragment, but discontinuous from previous fragments.
5779 * Pretend the duration sum of the earlier fragments is
5780 * pkt->dts - trk->start_dts. */
5781 trk->frag_start = pkt->dts - trk->start_dts;
5782 trk->end_pts = AV_NOPTS_VALUE;
5783 trk->frag_discont = 0;
5787 if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !mov->use_editlist &&
5788 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO) {
5789 /* Not using edit lists and shifting the first track to start from zero.
5790 * If the other streams start from a later timestamp, we won't be able
5791 * to signal the difference in starting time without an edit list.
5792 * Thus move the timestamp for this first sample to 0, increasing
5793 * its duration instead. */
5794 trk->cluster[trk->entry].dts = trk->start_dts = 0;
5796 if (trk->start_dts == AV_NOPTS_VALUE) {
5797 trk->start_dts = pkt->dts;
5798 if (trk->frag_discont) {
5799 if (mov->use_editlist) {
5800 /* Pretend the whole stream started at pts=0, with earlier fragments
5801 * already written. If the stream started at pts=0, the duration sum
5802 * of earlier fragments would have been pkt->pts. */
5803 trk->frag_start = pkt->pts;
5804 trk->start_dts = pkt->dts - pkt->pts;
5806 /* Pretend the whole stream started at dts=0, with earlier fragments
5807 * already written, with a duration summing up to pkt->dts. */
5808 trk->frag_start = pkt->dts;
5811 trk->frag_discont = 0;
5812 } else if (pkt->dts && mov->moov_written)
5813 av_log(s, AV_LOG_WARNING,
5814 "Track %d starts with a nonzero dts %"PRId64", while the moov "
5815 "already has been written. Set the delay_moov flag to handle "
5817 pkt->stream_index, pkt->dts);
5819 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
5820 trk->last_sample_is_subtitle_end = 0;
5822 if (pkt->pts == AV_NOPTS_VALUE) {
5823 av_log(s, AV_LOG_WARNING, "pts has no value\n");
5824 pkt->pts = pkt->dts;
5826 if (pkt->dts != pkt->pts)
5827 trk->flags |= MOV_TRACK_CTTS;
5828 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
5829 trk->cluster[trk->entry].flags = 0;
5830 if (trk->start_cts == AV_NOPTS_VALUE)
5831 trk->start_cts = pkt->pts - pkt->dts;
5832 if (trk->end_pts == AV_NOPTS_VALUE)
5833 trk->end_pts = trk->cluster[trk->entry].dts +
5834 trk->cluster[trk->entry].cts + pkt->duration;
5836 trk->end_pts = FFMAX(trk->end_pts, trk->cluster[trk->entry].dts +
5837 trk->cluster[trk->entry].cts +
5840 if (par->codec_id == AV_CODEC_ID_VC1) {
5841 mov_parse_vc1_frame(pkt, trk);
5842 } else if (par->codec_id == AV_CODEC_ID_TRUEHD) {
5843 mov_parse_truehd_frame(pkt, trk);
5844 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
5845 if (mov->mode == MODE_MOV && par->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
5846 trk->entry > 0) { // force sync sample for the first key frame
5847 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
5848 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
5849 trk->flags |= MOV_TRACK_STPS;
5851 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
5853 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
5854 trk->has_keyframes++;
5856 if (pkt->flags & AV_PKT_FLAG_DISPOSABLE) {
5857 trk->cluster[trk->entry].flags |= MOV_DISPOSABLE_SAMPLE;
5858 trk->has_disposable++;
5861 prft = (AVProducerReferenceTime *)av_packet_get_side_data(pkt, AV_PKT_DATA_PRFT, &prft_size);
5862 if (prft && prft_size == sizeof(AVProducerReferenceTime))
5863 memcpy(&trk->cluster[trk->entry].prft, prft, prft_size);
5865 memset(&trk->cluster[trk->entry].prft, 0, sizeof(AVProducerReferenceTime));
5868 trk->sample_count += samples_in_chunk;
5869 mov->mdat_size += size;
5871 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
5872 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
5873 reformatted_data ? reformatted_data + offset
5879 if (pkt->data != reformatted_data)
5880 av_free(reformatted_data);
5884 static int mov_write_single_packet(AVFormatContext *s, AVPacket *pkt)
5886 MOVMuxContext *mov = s->priv_data;
5887 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5888 AVCodecParameters *par = trk->par;
5889 int64_t frag_duration = 0;
5890 int size = pkt->size;
5892 int ret = check_pkt(s, pkt);
5896 if (mov->flags & FF_MOV_FLAG_FRAG_DISCONT) {
5898 for (i = 0; i < s->nb_streams; i++)
5899 mov->tracks[i].frag_discont = 1;
5900 mov->flags &= ~FF_MOV_FLAG_FRAG_DISCONT;
5903 if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS) {
5904 if (trk->dts_shift == AV_NOPTS_VALUE)
5905 trk->dts_shift = pkt->pts - pkt->dts;
5906 pkt->dts += trk->dts_shift;
5909 if (trk->par->codec_id == AV_CODEC_ID_MP4ALS ||
5910 trk->par->codec_id == AV_CODEC_ID_AAC ||
5911 trk->par->codec_id == AV_CODEC_ID_AV1 ||
5912 trk->par->codec_id == AV_CODEC_ID_FLAC) {
5913 buffer_size_t side_size;
5914 uint8_t *side = av_packet_get_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA, &side_size);
5915 if (side && side_size > 0 && (side_size != par->extradata_size || memcmp(side, par->extradata, side_size))) {
5916 void *newextra = av_mallocz(side_size + AV_INPUT_BUFFER_PADDING_SIZE);
5918 return AVERROR(ENOMEM);
5919 av_free(par->extradata);
5920 par->extradata = newextra;
5921 memcpy(par->extradata, side, side_size);
5922 par->extradata_size = side_size;
5923 if (!pkt->size) // Flush packet
5924 mov->need_rewrite_extradata = 1;
5929 if (trk->start_dts == AV_NOPTS_VALUE && trk->frag_discont) {
5930 trk->start_dts = pkt->dts;
5931 if (pkt->pts != AV_NOPTS_VALUE)
5932 trk->start_cts = pkt->pts - pkt->dts;
5937 return 0; /* Discard 0 sized packets */
5940 if (trk->entry && pkt->stream_index < s->nb_streams)
5941 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
5942 s->streams[pkt->stream_index]->time_base,
5944 if ((mov->max_fragment_duration &&
5945 frag_duration >= mov->max_fragment_duration) ||
5946 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
5947 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
5948 par->codec_type == AVMEDIA_TYPE_VIDEO &&
5949 trk->entry && pkt->flags & AV_PKT_FLAG_KEY) ||
5950 (mov->flags & FF_MOV_FLAG_FRAG_EVERY_FRAME)) {
5951 if (frag_duration >= mov->min_fragment_duration) {
5952 // Set the duration of this track to line up with the next
5953 // sample in this track. This avoids relying on AVPacket
5954 // duration, but only helps for this particular track, not
5955 // for the other ones that are flushed at the same time.
5956 trk->track_duration = pkt->dts - trk->start_dts;
5957 if (pkt->pts != AV_NOPTS_VALUE)
5958 trk->end_pts = pkt->pts;
5960 trk->end_pts = pkt->dts;
5961 trk->end_reliable = 1;
5962 mov_auto_flush_fragment(s, 0);
5966 return ff_mov_write_packet(s, pkt);
5969 static int mov_write_subtitle_end_packet(AVFormatContext *s,
5972 MOVMuxContext *mov = s->priv_data;
5973 AVPacket *end = mov->pkt;
5974 uint8_t data[2] = {0};
5977 end->size = sizeof(data);
5982 end->stream_index = stream_index;
5984 ret = mov_write_single_packet(s, end);
5985 av_packet_unref(end);
5990 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
5992 MOVMuxContext *mov = s->priv_data;
5996 mov_flush_fragment(s, 1);
6000 trk = &mov->tracks[pkt->stream_index];
6002 if (is_cover_image(trk->st)) {
6005 if (trk->st->nb_frames >= 1) {
6006 if (trk->st->nb_frames == 1)
6007 av_log(s, AV_LOG_WARNING, "Got more than one picture in stream %d,"
6008 " ignoring.\n", pkt->stream_index);
6012 if ((ret = av_packet_ref(trk->cover_image, pkt)) < 0)
6020 return mov_write_single_packet(s, pkt); /* Passthrough. */
6023 * Subtitles require special handling.
6025 * 1) For full complaince, every track must have a sample at
6026 * dts == 0, which is rarely true for subtitles. So, as soon
6027 * as we see any packet with dts > 0, write an empty subtitle
6028 * at dts == 0 for any subtitle track with no samples in it.
6030 * 2) For each subtitle track, check if the current packet's
6031 * dts is past the duration of the last subtitle sample. If
6032 * so, we now need to write an end sample for that subtitle.
6034 * This must be done conditionally to allow for subtitles that
6035 * immediately replace each other, in which case an end sample
6036 * is not needed, and is, in fact, actively harmful.
6038 * 3) See mov_write_trailer for how the final end sample is
6041 for (i = 0; i < mov->nb_streams; i++) {
6042 MOVTrack *trk = &mov->tracks[i];
6045 if (trk->par->codec_id == AV_CODEC_ID_MOV_TEXT &&
6046 trk->track_duration < pkt->dts &&
6047 (trk->entry == 0 || !trk->last_sample_is_subtitle_end)) {
6048 ret = mov_write_subtitle_end_packet(s, i, trk->track_duration);
6049 if (ret < 0) return ret;
6050 trk->last_sample_is_subtitle_end = 1;
6054 if (trk->mode == MODE_MOV && trk->par->codec_type == AVMEDIA_TYPE_VIDEO) {
6055 AVPacket *opkt = pkt;
6056 int reshuffle_ret, ret;
6057 if (trk->is_unaligned_qt_rgb) {
6058 int64_t bpc = trk->par->bits_per_coded_sample != 15 ? trk->par->bits_per_coded_sample : 16;
6059 int expected_stride = ((trk->par->width * bpc + 15) >> 4)*2;
6060 reshuffle_ret = ff_reshuffle_raw_rgb(s, &pkt, trk->par, expected_stride);
6061 if (reshuffle_ret < 0)
6062 return reshuffle_ret;
6065 if (trk->par->format == AV_PIX_FMT_PAL8 && !trk->pal_done) {
6066 ret = ff_get_packet_palette(s, opkt, reshuffle_ret, trk->palette);
6071 } else if (trk->par->codec_id == AV_CODEC_ID_RAWVIDEO &&
6072 (trk->par->format == AV_PIX_FMT_GRAY8 ||
6073 trk->par->format == AV_PIX_FMT_MONOBLACK)) {
6074 for (i = 0; i < pkt->size; i++)
6075 pkt->data[i] = ~pkt->data[i];
6077 if (reshuffle_ret) {
6078 ret = mov_write_single_packet(s, pkt);
6081 av_packet_free(&pkt);
6086 return mov_write_single_packet(s, pkt);
6090 // QuickTime chapters involve an additional text track with the chapter names
6091 // as samples, and a tref pointing from the other tracks to the chapter one.
6092 static int mov_create_chapter_track(AVFormatContext *s, int tracknum)
6096 MOVMuxContext *mov = s->priv_data;
6097 MOVTrack *track = &mov->tracks[tracknum];
6098 AVPacket *pkt = mov->pkt;
6101 track->mode = mov->mode;
6102 track->tag = MKTAG('t','e','x','t');
6103 track->timescale = MOV_TIMESCALE;
6104 track->par = avcodec_parameters_alloc();
6106 return AVERROR(ENOMEM);
6107 track->par->codec_type = AVMEDIA_TYPE_SUBTITLE;
6109 // These properties are required to make QT recognize the chapter track
6110 uint8_t chapter_properties[43] = { 0, 0, 0, 0, 0, 0, 0, 1, };
6111 if (ff_alloc_extradata(track->par, sizeof(chapter_properties)))
6112 return AVERROR(ENOMEM);
6113 memcpy(track->par->extradata, chapter_properties, sizeof(chapter_properties));
6115 if (avio_open_dyn_buf(&pb) >= 0) {
6119 /* Stub header (usually for Quicktime chapter track) */
6121 avio_wb32(pb, 0x01); // displayFlags
6122 avio_w8(pb, 0x00); // horizontal justification
6123 avio_w8(pb, 0x00); // vertical justification
6124 avio_w8(pb, 0x00); // bgColourRed
6125 avio_w8(pb, 0x00); // bgColourGreen
6126 avio_w8(pb, 0x00); // bgColourBlue
6127 avio_w8(pb, 0x00); // bgColourAlpha
6129 avio_wb16(pb, 0x00); // defTextBoxTop
6130 avio_wb16(pb, 0x00); // defTextBoxLeft
6131 avio_wb16(pb, 0x00); // defTextBoxBottom
6132 avio_wb16(pb, 0x00); // defTextBoxRight
6134 avio_wb16(pb, 0x00); // startChar
6135 avio_wb16(pb, 0x00); // endChar
6136 avio_wb16(pb, 0x01); // fontID
6137 avio_w8(pb, 0x00); // fontStyleFlags
6138 avio_w8(pb, 0x00); // fontSize
6139 avio_w8(pb, 0x00); // fgColourRed
6140 avio_w8(pb, 0x00); // fgColourGreen
6141 avio_w8(pb, 0x00); // fgColourBlue
6142 avio_w8(pb, 0x00); // fgColourAlpha
6144 avio_wb32(pb, 0x0D); // box size
6145 ffio_wfourcc(pb, "ftab"); // box atom name
6146 avio_wb16(pb, 0x01); // entry count
6148 avio_wb16(pb, 0x01); // font ID
6149 avio_w8(pb, 0x00); // font name length
6151 if ((size = avio_close_dyn_buf(pb, &buf)) > 0) {
6152 track->par->extradata = buf;
6153 track->par->extradata_size = size;
6160 pkt->stream_index = tracknum;
6161 pkt->flags = AV_PKT_FLAG_KEY;
6163 for (i = 0; i < s->nb_chapters; i++) {
6164 AVChapter *c = s->chapters[i];
6165 AVDictionaryEntry *t;
6167 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
6168 pkt->pts = pkt->dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
6169 pkt->duration = end - pkt->dts;
6171 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
6172 static const char encd[12] = {
6173 0x00, 0x00, 0x00, 0x0C,
6175 0x00, 0x00, 0x01, 0x00 };
6176 len = strlen(t->value);
6177 pkt->size = len + 2 + 12;
6178 pkt->data = av_malloc(pkt->size);
6180 av_packet_unref(pkt);
6181 return AVERROR(ENOMEM);
6183 AV_WB16(pkt->data, len);
6184 memcpy(pkt->data + 2, t->value, len);
6185 memcpy(pkt->data + len + 2, encd, sizeof(encd));
6186 ff_mov_write_packet(s, pkt);
6187 av_freep(&pkt->data);
6191 av_packet_unref(mov->pkt);
6197 static int mov_check_timecode_track(AVFormatContext *s, AVTimecode *tc, int src_index, const char *tcstr)
6201 /* compute the frame number */
6202 ret = av_timecode_init_from_string(tc, find_fps(s, s->streams[src_index]), tcstr, s);
6206 static int mov_create_timecode_track(AVFormatContext *s, int index, int src_index, AVTimecode tc)
6208 MOVMuxContext *mov = s->priv_data;
6209 MOVTrack *track = &mov->tracks[index];
6210 AVStream *src_st = s->streams[src_index];
6212 AVPacket *pkt = mov->pkt;
6213 AVRational rate = find_fps(s, src_st);
6216 /* tmcd track based on video stream */
6217 track->mode = mov->mode;
6218 track->tag = MKTAG('t','m','c','d');
6219 track->src_track = src_index;
6220 track->timescale = mov->tracks[src_index].timescale;
6221 if (tc.flags & AV_TIMECODE_FLAG_DROPFRAME)
6222 track->timecode_flags |= MOV_TIMECODE_FLAG_DROPFRAME;
6224 /* set st to src_st for metadata access*/
6227 /* encode context: tmcd data stream */
6228 track->par = avcodec_parameters_alloc();
6230 return AVERROR(ENOMEM);
6231 track->par->codec_type = AVMEDIA_TYPE_DATA;
6232 track->par->codec_tag = track->tag;
6233 track->st->avg_frame_rate = rate;
6235 /* the tmcd track just contains one packet with the frame number */
6237 pkt->stream_index = index;
6238 pkt->flags = AV_PKT_FLAG_KEY;
6240 AV_WB32(pkt->data, tc.start);
6241 ret = ff_mov_write_packet(s, pkt);
6242 av_packet_unref(pkt);
6247 * st->disposition controls the "enabled" flag in the tkhd tag.
6248 * QuickTime will not play a track if it is not enabled. So make sure
6249 * that one track of each type (audio, video, subtitle) is enabled.
6251 * Subtitles are special. For audio and video, setting "enabled" also
6252 * makes the track "default" (i.e. it is rendered when played). For
6253 * subtitles, an "enabled" subtitle is not rendered by default, but
6254 * if no subtitle is enabled, the subtitle menu in QuickTime will be
6257 static void enable_tracks(AVFormatContext *s)
6259 MOVMuxContext *mov = s->priv_data;
6261 int enabled[AVMEDIA_TYPE_NB];
6262 int first[AVMEDIA_TYPE_NB];
6264 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
6269 for (i = 0; i < s->nb_streams; i++) {
6270 AVStream *st = s->streams[i];
6272 if (st->codecpar->codec_type <= AVMEDIA_TYPE_UNKNOWN ||
6273 st->codecpar->codec_type >= AVMEDIA_TYPE_NB ||
6277 if (first[st->codecpar->codec_type] < 0)
6278 first[st->codecpar->codec_type] = i;
6279 if (st->disposition & AV_DISPOSITION_DEFAULT) {
6280 mov->tracks[i].flags |= MOV_TRACK_ENABLED;
6281 enabled[st->codecpar->codec_type]++;
6285 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
6287 case AVMEDIA_TYPE_VIDEO:
6288 case AVMEDIA_TYPE_AUDIO:
6289 case AVMEDIA_TYPE_SUBTITLE:
6291 mov->per_stream_grouping = 1;
6292 if (!enabled[i] && first[i] >= 0)
6293 mov->tracks[first[i]].flags |= MOV_TRACK_ENABLED;
6299 static void mov_free(AVFormatContext *s)
6301 MOVMuxContext *mov = s->priv_data;
6304 av_packet_free(&mov->pkt);
6309 if (mov->chapter_track) {
6310 avcodec_parameters_free(&mov->tracks[mov->chapter_track].par);
6313 for (i = 0; i < mov->nb_streams; i++) {
6314 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
6315 ff_mov_close_hinting(&mov->tracks[i]);
6316 else if (mov->tracks[i].tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd)
6317 av_freep(&mov->tracks[i].par);
6318 av_freep(&mov->tracks[i].cluster);
6319 av_freep(&mov->tracks[i].frag_info);
6320 av_packet_free(&mov->tracks[i].cover_image);
6322 if (mov->tracks[i].eac3_priv) {
6323 struct eac3_info *info = mov->tracks[i].eac3_priv;
6324 av_packet_free(&info->pkt);
6325 av_freep(&mov->tracks[i].eac3_priv);
6327 if (mov->tracks[i].vos_len)
6328 av_freep(&mov->tracks[i].vos_data);
6330 ff_mov_cenc_free(&mov->tracks[i].cenc);
6331 ffio_free_dyn_buf(&mov->tracks[i].mdat_buf);
6334 av_freep(&mov->tracks);
6335 ffio_free_dyn_buf(&mov->mdat_buf);
6338 static uint32_t rgb_to_yuv(uint32_t rgb)
6343 r = (rgb >> 16) & 0xFF;
6344 g = (rgb >> 8) & 0xFF;
6347 y = av_clip_uint8(( 16000 + 257 * r + 504 * g + 98 * b)/1000);
6348 cb = av_clip_uint8((128000 - 148 * r - 291 * g + 439 * b)/1000);
6349 cr = av_clip_uint8((128000 + 439 * r - 368 * g - 71 * b)/1000);
6351 return (y << 16) | (cr << 8) | cb;
6354 static int mov_create_dvd_sub_decoder_specific_info(MOVTrack *track,
6357 int i, width = 720, height = 480;
6358 int have_palette = 0, have_size = 0;
6359 uint32_t palette[16];
6360 char *cur = st->codecpar->extradata;
6362 while (cur && *cur) {
6363 if (strncmp("palette:", cur, 8) == 0) {
6365 count = sscanf(cur + 8,
6366 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
6367 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
6368 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
6369 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32"",
6370 &palette[ 0], &palette[ 1], &palette[ 2], &palette[ 3],
6371 &palette[ 4], &palette[ 5], &palette[ 6], &palette[ 7],
6372 &palette[ 8], &palette[ 9], &palette[10], &palette[11],
6373 &palette[12], &palette[13], &palette[14], &palette[15]);
6375 for (i = 0; i < count; i++) {
6376 palette[i] = rgb_to_yuv(palette[i]);
6379 } else if (!strncmp("size:", cur, 5)) {
6380 sscanf(cur + 5, "%dx%d", &width, &height);
6383 if (have_palette && have_size)
6385 cur += strcspn(cur, "\n\r");
6386 cur += strspn(cur, "\n\r");
6389 track->vos_data = av_malloc(16*4 + AV_INPUT_BUFFER_PADDING_SIZE);
6390 if (!track->vos_data)
6391 return AVERROR(ENOMEM);
6392 for (i = 0; i < 16; i++) {
6393 AV_WB32(track->vos_data + i * 4, palette[i]);
6395 memset(track->vos_data + 16*4, 0, AV_INPUT_BUFFER_PADDING_SIZE);
6396 track->vos_len = 16 * 4;
6398 st->codecpar->width = width;
6399 st->codecpar->height = track->height = height;
6404 static int mov_init(AVFormatContext *s)
6406 MOVMuxContext *mov = s->priv_data;
6411 /* Default mode == MP4 */
6412 mov->mode = MODE_MP4;
6414 #define IS_MODE(muxer, config) (CONFIG_ ## config ## _MUXER && !strcmp(#muxer, s->oformat->name))
6415 if (IS_MODE(3gp, TGP)) mov->mode = MODE_3GP;
6416 else if (IS_MODE(3g2, TG2)) mov->mode = MODE_3GP|MODE_3G2;
6417 else if (IS_MODE(mov, MOV)) mov->mode = MODE_MOV;
6418 else if (IS_MODE(psp, PSP)) mov->mode = MODE_PSP;
6419 else if (IS_MODE(ipod, IPOD)) mov->mode = MODE_IPOD;
6420 else if (IS_MODE(ismv, ISMV)) mov->mode = MODE_ISM;
6421 else if (IS_MODE(f4v, F4V)) mov->mode = MODE_F4V;
6424 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
6425 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV;
6427 /* Set the FRAGMENT flag if any of the fragmentation methods are
6429 if (mov->max_fragment_duration || mov->max_fragment_size ||
6430 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
6431 FF_MOV_FLAG_FRAG_KEYFRAME |
6432 FF_MOV_FLAG_FRAG_CUSTOM |
6433 FF_MOV_FLAG_FRAG_EVERY_FRAME))
6434 mov->flags |= FF_MOV_FLAG_FRAGMENT;
6436 /* Set other implicit flags immediately */
6437 if (mov->mode == MODE_ISM)
6438 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
6439 FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS;
6440 if (mov->flags & FF_MOV_FLAG_DASH)
6441 mov->flags |= FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_EMPTY_MOOV |
6442 FF_MOV_FLAG_DEFAULT_BASE_MOOF;
6443 if (mov->flags & FF_MOV_FLAG_CMAF)
6444 mov->flags |= FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_EMPTY_MOOV |
6445 FF_MOV_FLAG_DEFAULT_BASE_MOOF | FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS;
6447 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV && s->flags & AVFMT_FLAG_AUTO_BSF) {
6448 av_log(s, AV_LOG_VERBOSE, "Empty MOOV enabled; disabling automatic bitstream filtering\n");
6449 s->flags &= ~AVFMT_FLAG_AUTO_BSF;
6452 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX && mov->flags & FF_MOV_FLAG_SKIP_SIDX) {
6453 av_log(s, AV_LOG_WARNING, "Global SIDX enabled; Ignoring skip_sidx option\n");
6454 mov->flags &= ~FF_MOV_FLAG_SKIP_SIDX;
6457 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
6458 mov->reserved_moov_size = -1;
6461 if (mov->use_editlist < 0) {
6462 mov->use_editlist = 1;
6463 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
6464 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6465 // If we can avoid needing an edit list by shifting the
6466 // tracks, prefer that over (trying to) write edit lists
6467 // in fragmented output.
6468 if (s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO ||
6469 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO)
6470 mov->use_editlist = 0;
6472 if (mov->flags & FF_MOV_FLAG_CMAF) {
6473 // CMAF Track requires negative cts offsets without edit lists
6474 mov->use_editlist = 0;
6477 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
6478 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV) && mov->use_editlist)
6479 av_log(s, AV_LOG_WARNING, "No meaningful edit list will be written when using empty_moov without delay_moov\n");
6481 if (mov->flags & FF_MOV_FLAG_CMAF && mov->use_editlist) {
6482 av_log(s, AV_LOG_WARNING, "Edit list enabled; Assuming writing CMAF Track File\n");
6483 mov->flags &= ~FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS;
6485 if (!mov->use_editlist && s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO &&
6486 !(mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS))
6487 s->avoid_negative_ts = AVFMT_AVOID_NEG_TS_MAKE_ZERO;
6489 /* Clear the omit_tfhd_offset flag if default_base_moof is set;
6490 * if the latter is set that's enough and omit_tfhd_offset doesn't
6491 * add anything extra on top of that. */
6492 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
6493 mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
6494 mov->flags &= ~FF_MOV_FLAG_OMIT_TFHD_OFFSET;
6496 if (mov->frag_interleave &&
6497 mov->flags & (FF_MOV_FLAG_OMIT_TFHD_OFFSET | FF_MOV_FLAG_SEPARATE_MOOF)) {
6498 av_log(s, AV_LOG_ERROR,
6499 "Sample interleaving in fragments is mutually exclusive with "
6500 "omit_tfhd_offset and separate_moof\n");
6501 return AVERROR(EINVAL);
6504 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
6505 * is enabled, we don't support non-seekable output at all. */
6506 if (!(s->pb->seekable & AVIO_SEEKABLE_NORMAL) &&
6507 (!(mov->flags & FF_MOV_FLAG_FRAGMENT) || mov->ism_lookahead)) {
6508 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
6509 return AVERROR(EINVAL);
6512 mov->nb_streams = s->nb_streams;
6513 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
6514 mov->chapter_track = mov->nb_streams++;
6516 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6517 for (i = 0; i < s->nb_streams; i++)
6518 if (rtp_hinting_needed(s->streams[i]))
6522 if ( mov->write_tmcd == -1 && (mov->mode == MODE_MOV || mov->mode == MODE_MP4)
6523 || mov->write_tmcd == 1) {
6524 AVDictionaryEntry *global_tcr = av_dict_get(s->metadata, "timecode",
6527 /* +1 tmcd track for each video stream with a timecode */
6528 for (i = 0; i < s->nb_streams; i++) {
6529 AVStream *st = s->streams[i];
6530 AVDictionaryEntry *t = global_tcr;
6531 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO &&
6532 (t || (t=av_dict_get(st->metadata, "timecode", NULL, 0)))) {
6534 ret = mov_check_timecode_track(s, &tc, i, t->value);
6536 mov->nb_meta_tmcd++;
6540 /* check if there is already a tmcd track to remux */
6541 if (mov->nb_meta_tmcd) {
6542 for (i = 0; i < s->nb_streams; i++) {
6543 AVStream *st = s->streams[i];
6544 if (st->codecpar->codec_tag == MKTAG('t','m','c','d')) {
6545 av_log(s, AV_LOG_WARNING, "You requested a copy of the original timecode track "
6546 "so timecode metadata are now ignored\n");
6547 mov->nb_meta_tmcd = 0;
6552 mov->nb_streams += mov->nb_meta_tmcd;
6555 mov->pkt = av_packet_alloc();
6557 return AVERROR(ENOMEM);
6559 // Reserve an extra stream for chapters for the case where chapters
6560 // are written in the trailer
6561 mov->tracks = av_mallocz_array((mov->nb_streams + 1), sizeof(*mov->tracks));
6563 return AVERROR(ENOMEM);
6565 if (mov->encryption_scheme_str != NULL && strcmp(mov->encryption_scheme_str, "none") != 0) {
6566 if (strcmp(mov->encryption_scheme_str, "cenc-aes-ctr") == 0) {
6567 mov->encryption_scheme = MOV_ENC_CENC_AES_CTR;
6569 if (mov->encryption_key_len != AES_CTR_KEY_SIZE) {
6570 av_log(s, AV_LOG_ERROR, "Invalid encryption key len %d expected %d\n",
6571 mov->encryption_key_len, AES_CTR_KEY_SIZE);
6572 return AVERROR(EINVAL);
6575 if (mov->encryption_kid_len != CENC_KID_SIZE) {
6576 av_log(s, AV_LOG_ERROR, "Invalid encryption kid len %d expected %d\n",
6577 mov->encryption_kid_len, CENC_KID_SIZE);
6578 return AVERROR(EINVAL);
6581 av_log(s, AV_LOG_ERROR, "unsupported encryption scheme %s\n",
6582 mov->encryption_scheme_str);
6583 return AVERROR(EINVAL);
6587 for (i = 0; i < s->nb_streams; i++) {
6588 AVStream *st= s->streams[i];
6589 MOVTrack *track= &mov->tracks[i];
6590 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
6593 track->par = st->codecpar;
6594 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
6595 if (track->language < 0)
6596 track->language = 32767; // Unspecified Macintosh language code
6597 track->mode = mov->mode;
6598 track->tag = mov_find_codec_tag(s, track);
6600 av_log(s, AV_LOG_ERROR, "Could not find tag for codec %s in stream #%d, "
6601 "codec not currently supported in container\n",
6602 avcodec_get_name(st->codecpar->codec_id), i);
6603 return AVERROR(EINVAL);
6605 /* If hinting of this track is enabled by a later hint track,
6606 * this is updated. */
6607 track->hint_track = -1;
6608 track->start_dts = AV_NOPTS_VALUE;
6609 track->start_cts = AV_NOPTS_VALUE;
6610 track->end_pts = AV_NOPTS_VALUE;
6611 track->dts_shift = AV_NOPTS_VALUE;
6612 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
6613 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
6614 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
6615 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
6616 if (st->codecpar->width != 720 || (st->codecpar->height != 608 && st->codecpar->height != 512)) {
6617 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
6618 return AVERROR(EINVAL);
6620 track->height = track->tag >> 24 == 'n' ? 486 : 576;
6622 if (mov->video_track_timescale) {
6623 track->timescale = mov->video_track_timescale;
6624 if (mov->mode == MODE_ISM && mov->video_track_timescale != 10000000)
6625 av_log(s, AV_LOG_WARNING, "Warning: some tools, like mp4split, assume a timescale of 10000000 for ISMV.\n");
6627 track->timescale = st->time_base.den;
6628 while(track->timescale < 10000)
6629 track->timescale *= 2;
6631 if (st->codecpar->width > 65535 || st->codecpar->height > 65535) {
6632 av_log(s, AV_LOG_ERROR, "Resolution %dx%d too large for mov/mp4\n", st->codecpar->width, st->codecpar->height);
6633 return AVERROR(EINVAL);
6635 if (track->mode == MODE_MOV && track->timescale > 100000)
6636 av_log(s, AV_LOG_WARNING,
6637 "WARNING codec timebase is very high. If duration is too long,\n"
6638 "file may not be playable by quicktime. Specify a shorter timebase\n"
6639 "or choose different container.\n");
6640 if (track->mode == MODE_MOV &&
6641 track->par->codec_id == AV_CODEC_ID_RAWVIDEO &&
6642 track->tag == MKTAG('r','a','w',' ')) {
6643 enum AVPixelFormat pix_fmt = track->par->format;
6644 if (pix_fmt == AV_PIX_FMT_NONE && track->par->bits_per_coded_sample == 1)
6645 pix_fmt = AV_PIX_FMT_MONOWHITE;
6646 track->is_unaligned_qt_rgb =
6647 pix_fmt == AV_PIX_FMT_RGB24 ||
6648 pix_fmt == AV_PIX_FMT_BGR24 ||
6649 pix_fmt == AV_PIX_FMT_PAL8 ||
6650 pix_fmt == AV_PIX_FMT_GRAY8 ||
6651 pix_fmt == AV_PIX_FMT_MONOWHITE ||
6652 pix_fmt == AV_PIX_FMT_MONOBLACK;
6654 if (track->par->codec_id == AV_CODEC_ID_VP9 ||
6655 track->par->codec_id == AV_CODEC_ID_AV1) {
6656 if (track->mode != MODE_MP4) {
6657 av_log(s, AV_LOG_ERROR, "%s only supported in MP4.\n", avcodec_get_name(track->par->codec_id));
6658 return AVERROR(EINVAL);
6660 } else if (track->par->codec_id == AV_CODEC_ID_VP8) {
6661 /* altref frames handling is not defined in the spec as of version v1.0,
6662 * so just forbid muxing VP8 streams altogether until a new version does */
6663 av_log(s, AV_LOG_ERROR, "VP8 muxing is currently not supported.\n");
6664 return AVERROR_PATCHWELCOME;
6666 if (is_cover_image(st)) {
6667 track->cover_image = av_packet_alloc();
6668 if (!track->cover_image)
6669 return AVERROR(ENOMEM);
6671 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
6672 track->timescale = st->codecpar->sample_rate;
6673 if (!st->codecpar->frame_size && !av_get_bits_per_sample(st->codecpar->codec_id)) {
6674 av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i);
6675 track->audio_vbr = 1;
6676 }else if (st->codecpar->codec_id == AV_CODEC_ID_ADPCM_MS ||
6677 st->codecpar->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
6678 st->codecpar->codec_id == AV_CODEC_ID_ILBC){
6679 if (!st->codecpar->block_align) {
6680 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
6681 return AVERROR(EINVAL);
6683 track->sample_size = st->codecpar->block_align;
6684 }else if (st->codecpar->frame_size > 1){ /* assume compressed audio */
6685 track->audio_vbr = 1;
6687 track->sample_size = (av_get_bits_per_sample(st->codecpar->codec_id) >> 3) * st->codecpar->channels;
6689 if (st->codecpar->codec_id == AV_CODEC_ID_ILBC ||
6690 st->codecpar->codec_id == AV_CODEC_ID_ADPCM_IMA_QT) {
6691 track->audio_vbr = 1;
6693 if (track->mode != MODE_MOV &&
6694 track->par->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
6695 if (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL) {
6696 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not standard, to mux anyway set strict to -1\n",
6697 i, track->par->sample_rate);
6698 return AVERROR(EINVAL);
6700 av_log(s, AV_LOG_WARNING, "track %d: muxing mp3 at %dhz is not standard in MP4\n",
6701 i, track->par->sample_rate);
6704 if (track->par->codec_id == AV_CODEC_ID_FLAC ||
6705 track->par->codec_id == AV_CODEC_ID_TRUEHD ||
6706 track->par->codec_id == AV_CODEC_ID_OPUS) {
6707 if (track->mode != MODE_MP4) {
6708 av_log(s, AV_LOG_ERROR, "%s only supported in MP4.\n", avcodec_get_name(track->par->codec_id));
6709 return AVERROR(EINVAL);
6711 if (track->par->codec_id != AV_CODEC_ID_OPUS &&
6712 s->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
6713 av_log(s, AV_LOG_ERROR,
6714 "%s in MP4 support is experimental, add "
6715 "'-strict %d' if you want to use it.\n",
6716 avcodec_get_name(track->par->codec_id), FF_COMPLIANCE_EXPERIMENTAL);
6717 return AVERROR_EXPERIMENTAL;
6720 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) {
6721 track->timescale = st->time_base.den;
6722 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_DATA) {
6723 track->timescale = st->time_base.den;
6725 track->timescale = MOV_TIMESCALE;
6728 track->height = st->codecpar->height;
6729 /* The Protected Interoperable File Format (PIFF) standard, used by ISMV recommends but
6730 doesn't mandate a track timescale of 10,000,000. The muxer allows a custom timescale
6731 for video tracks, so if user-set, it isn't overwritten */
6732 if (mov->mode == MODE_ISM &&
6733 (st->codecpar->codec_type != AVMEDIA_TYPE_VIDEO ||
6734 (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO && !mov->video_track_timescale))) {
6735 track->timescale = 10000000;
6738 avpriv_set_pts_info(st, 64, 1, track->timescale);
6740 if (mov->encryption_scheme == MOV_ENC_CENC_AES_CTR) {
6741 ret = ff_mov_cenc_init(&track->cenc, mov->encryption_key,
6742 track->par->codec_id == AV_CODEC_ID_H264, s->flags & AVFMT_FLAG_BITEXACT);
6752 static int mov_write_header(AVFormatContext *s)
6754 AVIOContext *pb = s->pb;
6755 MOVMuxContext *mov = s->priv_data;
6756 int i, ret, hint_track = 0, tmcd_track = 0, nb_tracks = s->nb_streams;
6758 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
6761 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6762 hint_track = nb_tracks;
6763 for (i = 0; i < s->nb_streams; i++)
6764 if (rtp_hinting_needed(s->streams[i]))
6768 if (mov->nb_meta_tmcd)
6769 tmcd_track = nb_tracks;
6771 for (i = 0; i < s->nb_streams; i++) {
6773 AVStream *st= s->streams[i];
6774 MOVTrack *track= &mov->tracks[i];
6776 /* copy extradata if it exists */
6777 if (st->codecpar->extradata_size) {
6778 if (st->codecpar->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
6779 mov_create_dvd_sub_decoder_specific_info(track, st);
6780 else if (!TAG_IS_AVCI(track->tag) && st->codecpar->codec_id != AV_CODEC_ID_DNXHD) {
6781 track->vos_len = st->codecpar->extradata_size;
6782 track->vos_data = av_malloc(track->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
6783 if (!track->vos_data) {
6784 return AVERROR(ENOMEM);
6786 memcpy(track->vos_data, st->codecpar->extradata, track->vos_len);
6787 memset(track->vos_data + track->vos_len, 0, AV_INPUT_BUFFER_PADDING_SIZE);
6791 if (st->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ||
6792 track->par->channel_layout != AV_CH_LAYOUT_MONO)
6795 for (j = 0; j < s->nb_streams; j++) {
6796 AVStream *stj= s->streams[j];
6797 MOVTrack *trackj= &mov->tracks[j];
6801 if (stj->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ||
6802 trackj->par->channel_layout != AV_CH_LAYOUT_MONO ||
6803 trackj->language != track->language ||
6804 trackj->tag != track->tag
6807 track->multichannel_as_mono++;
6811 if (!(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6812 if ((ret = mov_write_identification(pb, s)) < 0)
6816 if (mov->reserved_moov_size){
6817 mov->reserved_header_pos = avio_tell(pb);
6818 if (mov->reserved_moov_size > 0)
6819 avio_skip(pb, mov->reserved_moov_size);
6822 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
6823 /* If no fragmentation options have been set, set a default. */
6824 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
6825 FF_MOV_FLAG_FRAG_CUSTOM |
6826 FF_MOV_FLAG_FRAG_EVERY_FRAME)) &&
6827 !mov->max_fragment_duration && !mov->max_fragment_size)
6828 mov->flags |= FF_MOV_FLAG_FRAG_KEYFRAME;
6830 if (mov->flags & FF_MOV_FLAG_FASTSTART)
6831 mov->reserved_header_pos = avio_tell(pb);
6832 mov_write_mdat_tag(pb, mov);
6835 ff_parse_creation_time_metadata(s, &mov->time, 1);
6837 mov->time += 0x7C25B080; // 1970 based -> 1904 based
6839 if (mov->chapter_track)
6840 if ((ret = mov_create_chapter_track(s, mov->chapter_track)) < 0)
6843 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6844 for (i = 0; i < s->nb_streams; i++) {
6845 if (rtp_hinting_needed(s->streams[i])) {
6846 if ((ret = ff_mov_init_hinting(s, hint_track, i)) < 0)
6853 if (mov->nb_meta_tmcd) {
6854 const AVDictionaryEntry *t, *global_tcr = av_dict_get(s->metadata,
6855 "timecode", NULL, 0);
6856 /* Initialize the tmcd tracks */
6857 for (i = 0; i < s->nb_streams; i++) {
6858 AVStream *st = s->streams[i];
6861 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
6864 t = av_dict_get(st->metadata, "timecode", NULL, 0);
6867 if (mov_check_timecode_track(s, &tc, i, t->value) < 0)
6869 if ((ret = mov_create_timecode_track(s, tmcd_track, i, tc)) < 0)
6878 if (mov->flags & FF_MOV_FLAG_ISML)
6879 mov_write_isml_manifest(pb, mov, s);
6881 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
6882 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6883 if ((ret = mov_write_moov_tag(pb, mov, s)) < 0)
6885 mov->moov_written = 1;
6886 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
6887 mov->reserved_header_pos = avio_tell(pb);
6893 static int get_moov_size(AVFormatContext *s)
6896 AVIOContext *moov_buf;
6897 MOVMuxContext *mov = s->priv_data;
6899 if ((ret = ffio_open_null_buf(&moov_buf)) < 0)
6901 if ((ret = mov_write_moov_tag(moov_buf, mov, s)) < 0)
6903 return ffio_close_null_buf(moov_buf);
6906 static int get_sidx_size(AVFormatContext *s)
6910 MOVMuxContext *mov = s->priv_data;
6912 if ((ret = ffio_open_null_buf(&buf)) < 0)
6914 mov_write_sidx_tags(buf, mov, -1, 0);
6915 return ffio_close_null_buf(buf);
6919 * This function gets the moov size if moved to the top of the file: the chunk
6920 * offset table can switch between stco (32-bit entries) to co64 (64-bit
6921 * entries) when the moov is moved to the beginning, so the size of the moov
6922 * would change. It also updates the chunk offset tables.
6924 static int compute_moov_size(AVFormatContext *s)
6926 int i, moov_size, moov_size2;
6927 MOVMuxContext *mov = s->priv_data;
6929 moov_size = get_moov_size(s);
6933 for (i = 0; i < mov->nb_streams; i++)
6934 mov->tracks[i].data_offset += moov_size;
6936 moov_size2 = get_moov_size(s);
6940 /* if the size changed, we just switched from stco to co64 and need to
6941 * update the offsets */
6942 if (moov_size2 != moov_size)
6943 for (i = 0; i < mov->nb_streams; i++)
6944 mov->tracks[i].data_offset += moov_size2 - moov_size;
6949 static int compute_sidx_size(AVFormatContext *s)
6952 MOVMuxContext *mov = s->priv_data;
6954 sidx_size = get_sidx_size(s);
6958 for (i = 0; i < mov->nb_streams; i++)
6959 mov->tracks[i].data_offset += sidx_size;
6964 static int shift_data(AVFormatContext *s)
6966 int ret = 0, moov_size;
6967 MOVMuxContext *mov = s->priv_data;
6968 int64_t pos, pos_end;
6969 uint8_t *buf, *read_buf[2];
6970 int read_buf_id = 0;
6972 AVIOContext *read_pb;
6974 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
6975 moov_size = compute_sidx_size(s);
6977 moov_size = compute_moov_size(s);
6981 buf = av_malloc(moov_size * 2);
6983 return AVERROR(ENOMEM);
6985 read_buf[1] = buf + moov_size;
6987 /* Shift the data: the AVIO context of the output can only be used for
6988 * writing, so we re-open the same output, but for reading. It also avoids
6989 * a read/seek/write/seek back and forth. */
6991 ret = s->io_open(s, &read_pb, s->url, AVIO_FLAG_READ, NULL);
6993 av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for "
6994 "the second pass (faststart)\n", s->url);
6998 /* mark the end of the shift to up to the last data we wrote, and get ready
7000 pos_end = avio_tell(s->pb);
7001 avio_seek(s->pb, mov->reserved_header_pos + moov_size, SEEK_SET);
7003 /* start reading at where the new moov will be placed */
7004 avio_seek(read_pb, mov->reserved_header_pos, SEEK_SET);
7005 pos = avio_tell(read_pb);
7007 #define READ_BLOCK do { \
7008 read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
7012 /* shift data by chunk of at most moov_size */
7017 n = read_size[read_buf_id];
7020 avio_write(s->pb, read_buf[read_buf_id], n);
7022 } while (pos < pos_end);
7023 ff_format_io_close(s, &read_pb);
7030 static int mov_write_trailer(AVFormatContext *s)
7032 MOVMuxContext *mov = s->priv_data;
7033 AVIOContext *pb = s->pb;
7038 if (mov->need_rewrite_extradata) {
7039 for (i = 0; i < s->nb_streams; i++) {
7040 MOVTrack *track = &mov->tracks[i];
7041 AVCodecParameters *par = track->par;
7043 track->vos_len = par->extradata_size;
7044 av_freep(&track->vos_data);
7045 track->vos_data = av_malloc(track->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
7046 if (!track->vos_data)
7047 return AVERROR(ENOMEM);
7048 memcpy(track->vos_data, par->extradata, track->vos_len);
7049 memset(track->vos_data + track->vos_len, 0, AV_INPUT_BUFFER_PADDING_SIZE);
7051 mov->need_rewrite_extradata = 0;
7055 * Before actually writing the trailer, make sure that there are no
7056 * dangling subtitles, that need a terminating sample.
7058 for (i = 0; i < mov->nb_streams; i++) {
7059 MOVTrack *trk = &mov->tracks[i];
7060 if (trk->par->codec_id == AV_CODEC_ID_MOV_TEXT &&
7061 !trk->last_sample_is_subtitle_end) {
7062 mov_write_subtitle_end_packet(s, i, trk->track_duration);
7063 trk->last_sample_is_subtitle_end = 1;
7067 // If there were no chapters when the header was written, but there
7068 // are chapters now, write them in the trailer. This only works
7069 // when we are not doing fragments.
7070 if (!mov->chapter_track && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
7071 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters) {
7072 mov->chapter_track = mov->nb_streams++;
7073 if ((res = mov_create_chapter_track(s, mov->chapter_track)) < 0)
7078 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
7079 moov_pos = avio_tell(pb);
7081 /* Write size of mdat tag */
7082 if (mov->mdat_size + 8 <= UINT32_MAX) {
7083 avio_seek(pb, mov->mdat_pos, SEEK_SET);
7084 avio_wb32(pb, mov->mdat_size + 8);
7086 /* overwrite 'wide' placeholder atom */
7087 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
7088 /* special value: real atom size will be 64 bit value after
7091 ffio_wfourcc(pb, "mdat");
7092 avio_wb64(pb, mov->mdat_size + 16);
7094 avio_seek(pb, mov->reserved_moov_size > 0 ? mov->reserved_header_pos : moov_pos, SEEK_SET);
7096 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
7097 av_log(s, AV_LOG_INFO, "Starting second pass: moving the moov atom to the beginning of the file\n");
7098 res = shift_data(s);
7101 avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
7102 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
7104 } else if (mov->reserved_moov_size > 0) {
7106 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
7108 size = mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_header_pos);
7110 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
7111 return AVERROR(EINVAL);
7113 avio_wb32(pb, size);
7114 ffio_wfourcc(pb, "free");
7115 ffio_fill(pb, 0, size - 8);
7116 avio_seek(pb, moov_pos, SEEK_SET);
7118 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
7123 mov_auto_flush_fragment(s, 1);
7124 for (i = 0; i < mov->nb_streams; i++)
7125 mov->tracks[i].data_offset = 0;
7126 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX) {
7128 av_log(s, AV_LOG_INFO, "Starting second pass: inserting sidx atoms\n");
7129 res = shift_data(s);
7132 end = avio_tell(pb);
7133 avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
7134 mov_write_sidx_tags(pb, mov, -1, 0);
7135 avio_seek(pb, end, SEEK_SET);
7137 if (!(mov->flags & FF_MOV_FLAG_SKIP_TRAILER)) {
7138 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_TRAILER);
7139 res = mov_write_mfra_tag(pb, mov);
7148 static int mov_check_bitstream(struct AVFormatContext *s, const AVPacket *pkt)
7151 AVStream *st = s->streams[pkt->stream_index];
7153 if (st->codecpar->codec_id == AV_CODEC_ID_AAC) {
7154 if (pkt->size > 2 && (AV_RB16(pkt->data) & 0xfff0) == 0xfff0)
7155 ret = ff_stream_add_bitstream_filter(st, "aac_adtstoasc", NULL);
7156 } else if (st->codecpar->codec_id == AV_CODEC_ID_VP9) {
7157 ret = ff_stream_add_bitstream_filter(st, "vp9_superframe", NULL);
7163 #if CONFIG_TGP_MUXER || CONFIG_TG2_MUXER
7164 static const AVCodecTag codec_3gp_tags[] = {
7165 { AV_CODEC_ID_H263, MKTAG('s','2','6','3') },
7166 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
7167 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
7168 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
7169 { AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
7170 { AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
7171 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
7172 { AV_CODEC_ID_NONE, 0 },
7174 static const AVCodecTag *const codec_3gp_tags_list[] = { codec_3gp_tags, NULL };
7177 static const AVCodecTag codec_mp4_tags[] = {
7178 { AV_CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
7179 { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') },
7180 { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '3') },
7181 { AV_CODEC_ID_HEVC, MKTAG('h', 'e', 'v', '1') },
7182 { AV_CODEC_ID_HEVC, MKTAG('h', 'v', 'c', '1') },
7183 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', '4', 'v') },
7184 { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', '4', 'v') },
7185 { AV_CODEC_ID_MJPEG, MKTAG('m', 'p', '4', 'v') },
7186 { AV_CODEC_ID_PNG, MKTAG('m', 'p', '4', 'v') },
7187 { AV_CODEC_ID_JPEG2000, MKTAG('m', 'p', '4', 'v') },
7188 { AV_CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') },
7189 { AV_CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
7190 { AV_CODEC_ID_TSCC2, MKTAG('m', 'p', '4', 'v') },
7191 { AV_CODEC_ID_VP9, MKTAG('v', 'p', '0', '9') },
7192 { AV_CODEC_ID_AV1, MKTAG('a', 'v', '0', '1') },
7193 { AV_CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
7194 { AV_CODEC_ID_ALAC, MKTAG('a', 'l', 'a', 'c') },
7195 { AV_CODEC_ID_MP4ALS, MKTAG('m', 'p', '4', 'a') },
7196 { AV_CODEC_ID_MP3, MKTAG('m', 'p', '4', 'a') },
7197 { AV_CODEC_ID_MP2, MKTAG('m', 'p', '4', 'a') },
7198 { AV_CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') },
7199 { AV_CODEC_ID_EAC3, MKTAG('e', 'c', '-', '3') },
7200 { AV_CODEC_ID_DTS, MKTAG('m', 'p', '4', 'a') },
7201 { AV_CODEC_ID_TRUEHD, MKTAG('m', 'l', 'p', 'a') },
7202 { AV_CODEC_ID_FLAC, MKTAG('f', 'L', 'a', 'C') },
7203 { AV_CODEC_ID_OPUS, MKTAG('O', 'p', 'u', 's') },
7204 { AV_CODEC_ID_VORBIS, MKTAG('m', 'p', '4', 'a') },
7205 { AV_CODEC_ID_QCELP, MKTAG('m', 'p', '4', 'a') },
7206 { AV_CODEC_ID_EVRC, MKTAG('m', 'p', '4', 'a') },
7207 { AV_CODEC_ID_DVD_SUBTITLE, MKTAG('m', 'p', '4', 's') },
7208 { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
7209 { AV_CODEC_ID_BIN_DATA, MKTAG('g', 'p', 'm', 'd') },
7210 { AV_CODEC_ID_MPEGH_3D_AUDIO, MKTAG('m', 'h', 'm', '1') },
7211 { AV_CODEC_ID_NONE, 0 },
7213 #if CONFIG_MP4_MUXER || CONFIG_PSP_MUXER
7214 static const AVCodecTag *const mp4_codec_tags_list[] = { codec_mp4_tags, NULL };
7217 static const AVCodecTag codec_ism_tags[] = {
7218 { AV_CODEC_ID_WMAPRO , MKTAG('w', 'm', 'a', ' ') },
7219 { AV_CODEC_ID_NONE , 0 },
7222 static const AVCodecTag codec_ipod_tags[] = {
7223 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
7224 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
7225 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
7226 { AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') },
7227 { AV_CODEC_ID_AC3, MKTAG('a','c','-','3') },
7228 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
7229 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
7230 { AV_CODEC_ID_NONE, 0 },
7233 static const AVCodecTag codec_f4v_tags[] = {
7234 { AV_CODEC_ID_MP3, MKTAG('.','m','p','3') },
7235 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
7236 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
7237 { AV_CODEC_ID_VP6A, MKTAG('V','P','6','A') },
7238 { AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') },
7239 { AV_CODEC_ID_NONE, 0 },
7242 #if CONFIG_MOV_MUXER
7244 AVOutputFormat ff_mov_muxer = {
7246 .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
7247 .extensions = "mov",
7248 .priv_data_size = sizeof(MOVMuxContext),
7249 .audio_codec = AV_CODEC_ID_AAC,
7250 .video_codec = CONFIG_LIBX264_ENCODER ?
7251 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
7253 .write_header = mov_write_header,
7254 .write_packet = mov_write_packet,
7255 .write_trailer = mov_write_trailer,
7257 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7258 .codec_tag = (const AVCodecTag* const []){
7259 ff_codec_movvideo_tags, ff_codec_movaudio_tags, ff_codec_movsubtitle_tags, 0
7261 .check_bitstream = mov_check_bitstream,
7262 .priv_class = &mov_muxer_class,
7265 #if CONFIG_TGP_MUXER
7267 AVOutputFormat ff_tgp_muxer = {
7269 .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
7270 .extensions = "3gp",
7271 .priv_data_size = sizeof(MOVMuxContext),
7272 .audio_codec = AV_CODEC_ID_AMR_NB,
7273 .video_codec = AV_CODEC_ID_H263,
7275 .write_header = mov_write_header,
7276 .write_packet = mov_write_packet,
7277 .write_trailer = mov_write_trailer,
7279 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7280 .codec_tag = codec_3gp_tags_list,
7281 .check_bitstream = mov_check_bitstream,
7282 .priv_class = &tgp_muxer_class,
7285 #if CONFIG_MP4_MUXER
7287 AVOutputFormat ff_mp4_muxer = {
7289 .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
7290 .mime_type = "video/mp4",
7291 .extensions = "mp4",
7292 .priv_data_size = sizeof(MOVMuxContext),
7293 .audio_codec = AV_CODEC_ID_AAC,
7294 .video_codec = CONFIG_LIBX264_ENCODER ?
7295 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
7297 .write_header = mov_write_header,
7298 .write_packet = mov_write_packet,
7299 .write_trailer = mov_write_trailer,
7301 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7302 .codec_tag = mp4_codec_tags_list,
7303 .check_bitstream = mov_check_bitstream,
7304 .priv_class = &mp4_muxer_class,
7307 #if CONFIG_PSP_MUXER
7309 AVOutputFormat ff_psp_muxer = {
7311 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
7312 .extensions = "mp4,psp",
7313 .priv_data_size = sizeof(MOVMuxContext),
7314 .audio_codec = AV_CODEC_ID_AAC,
7315 .video_codec = CONFIG_LIBX264_ENCODER ?
7316 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
7318 .write_header = mov_write_header,
7319 .write_packet = mov_write_packet,
7320 .write_trailer = mov_write_trailer,
7322 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7323 .codec_tag = mp4_codec_tags_list,
7324 .check_bitstream = mov_check_bitstream,
7325 .priv_class = &psp_muxer_class,
7328 #if CONFIG_TG2_MUXER
7330 AVOutputFormat ff_tg2_muxer = {
7332 .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
7333 .extensions = "3g2",
7334 .priv_data_size = sizeof(MOVMuxContext),
7335 .audio_codec = AV_CODEC_ID_AMR_NB,
7336 .video_codec = AV_CODEC_ID_H263,
7338 .write_header = mov_write_header,
7339 .write_packet = mov_write_packet,
7340 .write_trailer = mov_write_trailer,
7342 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7343 .codec_tag = codec_3gp_tags_list,
7344 .check_bitstream = mov_check_bitstream,
7345 .priv_class = &tg2_muxer_class,
7348 #if CONFIG_IPOD_MUXER
7350 AVOutputFormat ff_ipod_muxer = {
7352 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
7353 .mime_type = "video/mp4",
7354 .extensions = "m4v,m4a,m4b",
7355 .priv_data_size = sizeof(MOVMuxContext),
7356 .audio_codec = AV_CODEC_ID_AAC,
7357 .video_codec = AV_CODEC_ID_H264,
7359 .write_header = mov_write_header,
7360 .write_packet = mov_write_packet,
7361 .write_trailer = mov_write_trailer,
7363 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7364 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
7365 .check_bitstream = mov_check_bitstream,
7366 .priv_class = &ipod_muxer_class,
7369 #if CONFIG_ISMV_MUXER
7371 AVOutputFormat ff_ismv_muxer = {
7373 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
7374 .mime_type = "video/mp4",
7375 .extensions = "ismv,isma",
7376 .priv_data_size = sizeof(MOVMuxContext),
7377 .audio_codec = AV_CODEC_ID_AAC,
7378 .video_codec = AV_CODEC_ID_H264,
7380 .write_header = mov_write_header,
7381 .write_packet = mov_write_packet,
7382 .write_trailer = mov_write_trailer,
7384 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7385 .codec_tag = (const AVCodecTag* const []){
7386 codec_mp4_tags, codec_ism_tags, 0 },
7387 .check_bitstream = mov_check_bitstream,
7388 .priv_class = &ismv_muxer_class,
7391 #if CONFIG_F4V_MUXER
7393 AVOutputFormat ff_f4v_muxer = {
7395 .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
7396 .mime_type = "application/f4v",
7397 .extensions = "f4v",
7398 .priv_data_size = sizeof(MOVMuxContext),
7399 .audio_codec = AV_CODEC_ID_AAC,
7400 .video_codec = AV_CODEC_ID_H264,
7402 .write_header = mov_write_header,
7403 .write_packet = mov_write_packet,
7404 .write_trailer = mov_write_trailer,
7406 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
7407 .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 },
7408 .check_bitstream = mov_check_bitstream,
7409 .priv_class = &f4v_muxer_class,