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;
3049 uint32_t *display_matrix = NULL;
3050 buffer_size_t display_matrix_size;
3054 if (mov->per_stream_grouping)
3057 group = st->codecpar->codec_type;
3059 display_matrix = (uint32_t*)av_stream_get_side_data(st, AV_PKT_DATA_DISPLAYMATRIX,
3060 &display_matrix_size);
3061 if (display_matrix && display_matrix_size < 9 * sizeof(*display_matrix))
3062 display_matrix = NULL;
3065 if (track->flags & MOV_TRACK_ENABLED)
3066 flags |= MOV_TKHD_FLAG_ENABLED;
3068 if (track->mode == MODE_ISM)
3071 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
3072 ffio_wfourcc(pb, "tkhd");
3073 avio_w8(pb, version);
3074 avio_wb24(pb, flags);
3076 avio_wb64(pb, track->time);
3077 avio_wb64(pb, track->time);
3079 avio_wb32(pb, track->time); /* creation time */
3080 avio_wb32(pb, track->time); /* modification time */
3082 avio_wb32(pb, track->track_id); /* track-id */
3083 avio_wb32(pb, 0); /* reserved */
3084 if (!track->entry && mov->mode == MODE_ISM)
3085 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
3086 else if (!track->entry)
3087 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
3089 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
3091 avio_wb32(pb, 0); /* reserved */
3092 avio_wb32(pb, 0); /* reserved */
3093 avio_wb16(pb, 0); /* layer */
3094 avio_wb16(pb, group); /* alternate group) */
3095 /* Volume, only for audio */
3096 if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
3097 avio_wb16(pb, 0x0100);
3100 avio_wb16(pb, 0); /* reserved */
3102 /* Matrix structure */
3103 #if FF_API_OLD_ROTATE_API
3104 if (st && st->metadata) {
3105 AVDictionaryEntry *rot = av_dict_get(st->metadata, "rotate", NULL, 0);
3106 rotation = (rot && rot->value) ? atoi(rot->value) : 0;
3109 if (display_matrix) {
3110 for (i = 0; i < 9; i++)
3111 avio_wb32(pb, display_matrix[i]);
3112 #if FF_API_OLD_ROTATE_API
3113 } else if (rotation == 90) {
3114 write_matrix(pb, 0, 1, -1, 0, track->par->height, 0);
3115 } else if (rotation == 180) {
3116 write_matrix(pb, -1, 0, 0, -1, track->par->width, track->par->height);
3117 } else if (rotation == 270) {
3118 write_matrix(pb, 0, -1, 1, 0, 0, track->par->width);
3121 write_matrix(pb, 1, 0, 0, 1, 0, 0);
3123 /* Track width and height, for visual only */
3124 if (st && (track->par->codec_type == AVMEDIA_TYPE_VIDEO ||
3125 track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
3126 int64_t track_width_1616;
3127 if (track->mode == MODE_MOV) {
3128 track_width_1616 = track->par->width * 0x10000ULL;
3130 track_width_1616 = av_rescale(st->sample_aspect_ratio.num,
3131 track->par->width * 0x10000LL,
3132 st->sample_aspect_ratio.den);
3133 if (!track_width_1616 ||
3134 track->height != track->par->height ||
3135 track_width_1616 > UINT32_MAX)
3136 track_width_1616 = track->par->width * 0x10000ULL;
3138 if (track_width_1616 > UINT32_MAX) {
3139 av_log(mov->fc, AV_LOG_WARNING, "track width is too large\n");
3140 track_width_1616 = 0;
3142 avio_wb32(pb, track_width_1616);
3143 if (track->height > 0xFFFF) {
3144 av_log(mov->fc, AV_LOG_WARNING, "track height is too large\n");
3147 avio_wb32(pb, track->height * 0x10000U);
3155 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
3157 int32_t width = av_rescale(track->par->sample_aspect_ratio.num, track->par->width,
3158 track->par->sample_aspect_ratio.den);
3160 int64_t pos = avio_tell(pb);
3162 avio_wb32(pb, 0); /* size */
3163 ffio_wfourcc(pb, "tapt");
3166 ffio_wfourcc(pb, "clef");
3168 avio_wb32(pb, width << 16);
3169 avio_wb32(pb, track->par->height << 16);
3172 ffio_wfourcc(pb, "prof");
3174 avio_wb32(pb, width << 16);
3175 avio_wb32(pb, track->par->height << 16);
3178 ffio_wfourcc(pb, "enof");
3180 avio_wb32(pb, track->par->width << 16);
3181 avio_wb32(pb, track->par->height << 16);
3183 return update_size(pb, pos);
3186 // This box seems important for the psp playback ... without it the movie seems to hang
3187 static int mov_write_edts_tag(AVIOContext *pb, MOVMuxContext *mov,
3190 int64_t duration = av_rescale_rnd(calc_samples_pts_duration(mov, track),
3191 MOV_TIMESCALE, track->timescale,
3193 int version = duration < INT32_MAX ? 0 : 1;
3194 int entry_size, entry_count, size;
3195 int64_t delay, start_ct = track->start_cts;
3196 int64_t start_dts = track->start_dts;
3199 if (start_dts != track->cluster[0].dts || start_ct != track->cluster[0].cts) {
3201 av_log(mov->fc, AV_LOG_DEBUG,
3202 "EDTS using dts:%"PRId64" cts:%d instead of dts:%"PRId64" cts:%"PRId64" tid:%d\n",
3203 track->cluster[0].dts, track->cluster[0].cts,
3204 start_dts, start_ct, track->track_id);
3205 start_dts = track->cluster[0].dts;
3206 start_ct = track->cluster[0].cts;
3210 delay = av_rescale_rnd(start_dts + start_ct, MOV_TIMESCALE,
3211 track->timescale, AV_ROUND_DOWN);
3212 version |= delay < INT32_MAX ? 0 : 1;
3214 entry_size = (version == 1) ? 20 : 12;
3215 entry_count = 1 + (delay > 0);
3216 size = 24 + entry_count * entry_size;
3218 /* write the atom data */
3219 avio_wb32(pb, size);
3220 ffio_wfourcc(pb, "edts");
3221 avio_wb32(pb, size - 8);
3222 ffio_wfourcc(pb, "elst");
3223 avio_w8(pb, version);
3224 avio_wb24(pb, 0); /* flags */
3226 avio_wb32(pb, entry_count);
3227 if (delay > 0) { /* add an empty edit to delay presentation */
3228 /* In the positive delay case, the delay includes the cts
3229 * offset, and the second edit list entry below trims out
3230 * the same amount from the actual content. This makes sure
3231 * that the offset last sample is included in the edit
3232 * list duration as well. */
3234 avio_wb64(pb, delay);
3237 avio_wb32(pb, delay);
3240 avio_wb32(pb, 0x00010000);
3242 /* Avoid accidentally ending up with start_ct = -1 which has got a
3243 * special meaning. Normally start_ct should end up positive or zero
3244 * here, but use FFMIN in case dts is a small positive integer
3245 * rounded to 0 when represented in MOV_TIMESCALE units. */
3246 av_assert0(av_rescale_rnd(start_dts, MOV_TIMESCALE, track->timescale, AV_ROUND_DOWN) <= 0);
3247 start_ct = -FFMIN(start_dts, 0);
3248 /* Note, this delay is calculated from the pts of the first sample,
3249 * ensuring that we don't reduce the duration for cases with
3254 /* For fragmented files, we don't know the full length yet. Setting
3255 * duration to 0 allows us to only specify the offset, including
3256 * the rest of the content (from all future fragments) without specifying
3257 * an explicit duration. */
3258 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
3263 avio_wb64(pb, duration);
3264 avio_wb64(pb, start_ct);
3266 avio_wb32(pb, duration);
3267 avio_wb32(pb, start_ct);
3269 avio_wb32(pb, 0x00010000);
3273 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
3275 avio_wb32(pb, 20); // size
3276 ffio_wfourcc(pb, "tref");
3277 avio_wb32(pb, 12); // size (subatom)
3278 avio_wl32(pb, track->tref_tag);
3279 avio_wb32(pb, track->tref_id);
3283 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
3284 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
3286 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
3287 ffio_wfourcc(pb, "uuid");
3288 ffio_wfourcc(pb, "USMT");
3289 avio_wb32(pb, 0x21d24fce);
3290 avio_wb32(pb, 0xbb88695c);
3291 avio_wb32(pb, 0xfac9c740);
3292 avio_wb32(pb, 0x1c); // another size here!
3293 ffio_wfourcc(pb, "MTDT");
3294 avio_wb32(pb, 0x00010012);
3295 avio_wb32(pb, 0x0a);
3296 avio_wb32(pb, 0x55c40000);
3302 static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
3304 AVFormatContext *ctx = track->rtp_ctx;
3305 char buf[1000] = "";
3308 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
3309 NULL, NULL, 0, 0, ctx);
3310 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
3313 avio_wb32(pb, len + 24);
3314 ffio_wfourcc(pb, "udta");
3315 avio_wb32(pb, len + 16);
3316 ffio_wfourcc(pb, "hnti");
3317 avio_wb32(pb, len + 8);
3318 ffio_wfourcc(pb, "sdp ");
3319 avio_write(pb, buf, len);
3323 static int mov_write_track_metadata(AVIOContext *pb, AVStream *st,
3324 const char *tag, const char *str)
3326 int64_t pos = avio_tell(pb);
3327 AVDictionaryEntry *t = av_dict_get(st->metadata, str, NULL, 0);
3328 if (!t || !utf8len(t->value))
3331 avio_wb32(pb, 0); /* size */
3332 ffio_wfourcc(pb, tag); /* type */
3333 avio_write(pb, t->value, strlen(t->value)); /* UTF8 string value */
3334 return update_size(pb, pos);
3337 static int mov_write_track_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
3340 AVIOContext *pb_buf;
3347 ret = avio_open_dyn_buf(&pb_buf);
3351 if (mov->mode & (MODE_MP4|MODE_MOV))
3352 mov_write_track_metadata(pb_buf, st, "name", "title");
3354 if ((size = avio_get_dyn_buf(pb_buf, &buf)) > 0) {
3355 avio_wb32(pb, size + 8);
3356 ffio_wfourcc(pb, "udta");
3357 avio_write(pb, buf, size);
3359 ffio_free_dyn_buf(&pb_buf);
3364 static int mov_write_trak_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov,
3365 MOVTrack *track, AVStream *st)
3367 int64_t pos = avio_tell(pb);
3368 int entry_backup = track->entry;
3369 int chunk_backup = track->chunkCount;
3372 /* If we want to have an empty moov, but some samples already have been
3373 * buffered (delay_moov), pretend that no samples have been written yet. */
3374 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV)
3375 track->chunkCount = track->entry = 0;
3377 avio_wb32(pb, 0); /* size */
3378 ffio_wfourcc(pb, "trak");
3379 mov_write_tkhd_tag(pb, mov, track, st);
3381 av_assert2(mov->use_editlist >= 0);
3383 if (track->start_dts != AV_NOPTS_VALUE) {
3384 if (mov->use_editlist)
3385 mov_write_edts_tag(pb, mov, track); // PSP Movies and several other cases require edts box
3386 else if ((track->entry && track->cluster[0].dts) || track->mode == MODE_PSP || is_clcp_track(track))
3387 av_log(mov->fc, AV_LOG_WARNING,
3388 "Not writing any edit list even though one would have been required\n");
3391 if (track->tref_tag)
3392 mov_write_tref_tag(pb, track);
3394 if ((ret = mov_write_mdia_tag(s, pb, mov, track)) < 0)
3396 if (track->mode == MODE_PSP)
3397 mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box
3398 if (track->tag == MKTAG('r','t','p',' '))
3399 mov_write_udta_sdp(pb, track);
3400 if (track->mode == MODE_MOV) {
3401 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
3402 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
3403 if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio) {
3404 mov_write_tapt_tag(pb, track);
3407 if (is_clcp_track(track) && st->sample_aspect_ratio.num) {
3408 mov_write_tapt_tag(pb, track);
3411 mov_write_track_udta_tag(pb, mov, st);
3412 track->entry = entry_backup;
3413 track->chunkCount = chunk_backup;
3414 return update_size(pb, pos);
3417 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
3419 int i, has_audio = 0, has_video = 0;
3420 int64_t pos = avio_tell(pb);
3421 int audio_profile = mov->iods_audio_profile;
3422 int video_profile = mov->iods_video_profile;
3423 for (i = 0; i < mov->nb_streams; i++) {
3424 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3425 has_audio |= mov->tracks[i].par->codec_type == AVMEDIA_TYPE_AUDIO;
3426 has_video |= mov->tracks[i].par->codec_type == AVMEDIA_TYPE_VIDEO;
3429 if (audio_profile < 0)
3430 audio_profile = 0xFF - has_audio;
3431 if (video_profile < 0)
3432 video_profile = 0xFF - has_video;
3433 avio_wb32(pb, 0x0); /* size */
3434 ffio_wfourcc(pb, "iods");
3435 avio_wb32(pb, 0); /* version & flags */
3436 put_descr(pb, 0x10, 7);
3437 avio_wb16(pb, 0x004f);
3440 avio_w8(pb, audio_profile);
3441 avio_w8(pb, video_profile);
3443 return update_size(pb, pos);
3446 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
3448 avio_wb32(pb, 0x20); /* size */
3449 ffio_wfourcc(pb, "trex");
3450 avio_wb32(pb, 0); /* version & flags */
3451 avio_wb32(pb, track->track_id); /* track ID */
3452 avio_wb32(pb, 1); /* default sample description index */
3453 avio_wb32(pb, 0); /* default sample duration */
3454 avio_wb32(pb, 0); /* default sample size */
3455 avio_wb32(pb, 0); /* default sample flags */
3459 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
3461 int64_t pos = avio_tell(pb);
3463 avio_wb32(pb, 0x0); /* size */
3464 ffio_wfourcc(pb, "mvex");
3465 for (i = 0; i < mov->nb_streams; i++)
3466 mov_write_trex_tag(pb, &mov->tracks[i]);
3467 return update_size(pb, pos);
3470 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
3472 int max_track_id = 1, i;
3473 int64_t max_track_len = 0;
3476 for (i = 0; i < mov->nb_streams; i++) {
3477 if (mov->tracks[i].entry > 0 && mov->tracks[i].timescale) {
3478 int64_t max_track_len_temp = av_rescale_rnd(
3479 calc_pts_duration(mov, &mov->tracks[i]),
3481 mov->tracks[i].timescale,
3483 if (max_track_len < max_track_len_temp)
3484 max_track_len = max_track_len_temp;
3485 if (max_track_id < mov->tracks[i].track_id)
3486 max_track_id = mov->tracks[i].track_id;
3489 /* If using delay_moov, make sure the output is the same as if no
3490 * samples had been written yet. */
3491 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3496 version = max_track_len < UINT32_MAX ? 0 : 1;
3497 avio_wb32(pb, version == 1 ? 120 : 108); /* size */
3499 ffio_wfourcc(pb, "mvhd");
3500 avio_w8(pb, version);
3501 avio_wb24(pb, 0); /* flags */
3503 avio_wb64(pb, mov->time);
3504 avio_wb64(pb, mov->time);
3506 avio_wb32(pb, mov->time); /* creation time */
3507 avio_wb32(pb, mov->time); /* modification time */
3509 avio_wb32(pb, MOV_TIMESCALE);
3510 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
3512 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
3513 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
3514 avio_wb16(pb, 0); /* reserved */
3515 avio_wb32(pb, 0); /* reserved */
3516 avio_wb32(pb, 0); /* reserved */
3518 /* Matrix structure */
3519 write_matrix(pb, 1, 0, 0, 1, 0, 0);
3521 avio_wb32(pb, 0); /* reserved (preview time) */
3522 avio_wb32(pb, 0); /* reserved (preview duration) */
3523 avio_wb32(pb, 0); /* reserved (poster time) */
3524 avio_wb32(pb, 0); /* reserved (selection time) */
3525 avio_wb32(pb, 0); /* reserved (selection duration) */
3526 avio_wb32(pb, 0); /* reserved (current time) */
3527 avio_wb32(pb, max_track_id + 1); /* Next track id */
3531 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
3534 avio_wb32(pb, 33); /* size */
3535 ffio_wfourcc(pb, "hdlr");
3538 ffio_wfourcc(pb, "mdir");
3539 ffio_wfourcc(pb, "appl");
3546 /* helper function to write a data tag with the specified string as data */
3547 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
3550 int size = 16 + strlen(data);
3551 avio_wb32(pb, size); /* size */
3552 ffio_wfourcc(pb, "data");
3555 avio_write(pb, data, strlen(data));
3559 lang = ff_mov_iso639_to_lang("und", 1);
3560 avio_wb16(pb, strlen(data)); /* string length */
3561 avio_wb16(pb, lang);
3562 avio_write(pb, data, strlen(data));
3563 return strlen(data) + 4;
3567 static int mov_write_string_tag(AVIOContext *pb, const char *name,
3568 const char *value, int lang, int long_style)
3571 if (value && value[0]) {
3572 int64_t pos = avio_tell(pb);
3573 avio_wb32(pb, 0); /* size */
3574 ffio_wfourcc(pb, name);
3575 mov_write_string_data_tag(pb, value, lang, long_style);
3576 size = update_size(pb, pos);
3581 static AVDictionaryEntry *get_metadata_lang(AVFormatContext *s,
3582 const char *tag, int *lang)
3585 AVDictionaryEntry *t, *t2 = NULL;
3590 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
3593 len = strlen(t->key);
3594 snprintf(tag2, sizeof(tag2), "%s-", tag);
3595 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
3596 len2 = strlen(t2->key);
3597 if (len2 == len + 4 && !strcmp(t->value, t2->value)
3598 && (l = ff_mov_iso639_to_lang(&t2->key[len2 - 3], 1)) >= 0) {
3606 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
3607 const char *name, const char *tag,
3611 AVDictionaryEntry *t = get_metadata_lang(s, tag, &lang);
3614 return mov_write_string_tag(pb, name, t->value, lang, long_style);
3617 /* iTunes bpm number */
3618 static int mov_write_tmpo_tag(AVIOContext *pb, AVFormatContext *s)
3620 AVDictionaryEntry *t = av_dict_get(s->metadata, "tmpo", NULL, 0);
3621 int size = 0, tmpo = t ? atoi(t->value) : 0;
3624 avio_wb32(pb, size);
3625 ffio_wfourcc(pb, "tmpo");
3626 avio_wb32(pb, size-8); /* size */
3627 ffio_wfourcc(pb, "data");
3628 avio_wb32(pb, 0x15); //type specifier
3630 avio_wb16(pb, tmpo); // data
3635 /* 3GPP TS 26.244 */
3636 static int mov_write_loci_tag(AVFormatContext *s, AVIOContext *pb)
3639 int64_t pos = avio_tell(pb);
3640 double latitude, longitude, altitude;
3641 int32_t latitude_fix, longitude_fix, altitude_fix;
3642 AVDictionaryEntry *t = get_metadata_lang(s, "location", &lang);
3643 const char *ptr, *place = "";
3645 static const char *astronomical_body = "earth";
3650 longitude = strtod(ptr, &end);
3652 av_log(s, AV_LOG_WARNING, "malformed location metadata\n");
3656 latitude = strtod(ptr, &end);
3658 av_log(s, AV_LOG_WARNING, "malformed location metadata\n");
3662 altitude = strtod(ptr, &end);
3663 /* If no altitude was present, the default 0 should be fine */
3667 latitude_fix = (int32_t) ((1 << 16) * latitude);
3668 longitude_fix = (int32_t) ((1 << 16) * longitude);
3669 altitude_fix = (int32_t) ((1 << 16) * altitude);
3671 avio_wb32(pb, 0); /* size */
3672 ffio_wfourcc(pb, "loci"); /* type */
3673 avio_wb32(pb, 0); /* version + flags */
3674 avio_wb16(pb, lang);
3675 avio_write(pb, place, strlen(place) + 1);
3676 avio_w8(pb, 0); /* role of place (0 == shooting location, 1 == real location, 2 == fictional location) */
3677 avio_wb32(pb, latitude_fix);
3678 avio_wb32(pb, longitude_fix);
3679 avio_wb32(pb, altitude_fix);
3680 avio_write(pb, astronomical_body, strlen(astronomical_body) + 1);
3681 avio_w8(pb, 0); /* additional notes, null terminated string */
3683 return update_size(pb, pos);
3686 /* iTunes track or disc number */
3687 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
3688 AVFormatContext *s, int disc)
3690 AVDictionaryEntry *t = av_dict_get(s->metadata,
3691 disc ? "disc" : "track",
3693 int size = 0, track = t ? atoi(t->value) : 0;
3696 char *slash = strchr(t->value, '/');
3698 tracks = atoi(slash + 1);
3699 avio_wb32(pb, 32); /* size */
3700 ffio_wfourcc(pb, disc ? "disk" : "trkn");
3701 avio_wb32(pb, 24); /* size */
3702 ffio_wfourcc(pb, "data");
3703 avio_wb32(pb, 0); // 8 bytes empty
3705 avio_wb16(pb, 0); // empty
3706 avio_wb16(pb, track); // track / disc number
3707 avio_wb16(pb, tracks); // total track / disc number
3708 avio_wb16(pb, 0); // empty
3714 static int mov_write_int8_metadata(AVFormatContext *s, AVIOContext *pb,
3715 const char *name, const char *tag,
3718 AVDictionaryEntry *t = NULL;
3720 int size = 24 + len;
3722 if (len != 1 && len != 4)
3725 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
3727 num = atoi(t->value);
3729 avio_wb32(pb, size);
3730 ffio_wfourcc(pb, name);
3731 avio_wb32(pb, size - 8);
3732 ffio_wfourcc(pb, "data");
3733 avio_wb32(pb, 0x15);
3735 if (len==4) avio_wb32(pb, num);
3736 else avio_w8 (pb, num);
3741 static int mov_write_covr(AVIOContext *pb, AVFormatContext *s)
3743 MOVMuxContext *mov = s->priv_data;
3747 for (i = 0; i < s->nb_streams; i++) {
3748 MOVTrack *trk = &mov->tracks[i];
3750 if (!is_cover_image(trk->st) || trk->cover_image->size <= 0)
3754 pos = avio_tell(pb);
3756 ffio_wfourcc(pb, "covr");
3758 avio_wb32(pb, 16 + trk->cover_image->size);
3759 ffio_wfourcc(pb, "data");
3760 avio_wb32(pb, trk->tag);
3762 avio_write(pb, trk->cover_image->data, trk->cover_image->size);
3765 return pos ? update_size(pb, pos) : 0;
3768 /* iTunes meta data list */
3769 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
3772 int64_t pos = avio_tell(pb);
3773 avio_wb32(pb, 0); /* size */
3774 ffio_wfourcc(pb, "ilst");
3775 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
3776 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
3777 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
3778 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
3779 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
3780 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
3781 if (!mov_write_string_metadata(s, pb, "\251too", "encoding_tool", 1)) {
3782 if (!(s->flags & AVFMT_FLAG_BITEXACT))
3783 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
3785 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
3786 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
3787 mov_write_string_metadata(s, pb, "cprt", "copyright", 1);
3788 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
3789 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
3790 mov_write_string_metadata(s, pb, "desc", "description",1);
3791 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
3792 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
3793 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
3794 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
3795 mov_write_string_metadata(s, pb, "keyw", "keywords" , 1);
3796 mov_write_int8_metadata (s, pb, "tves", "episode_sort",4);
3797 mov_write_int8_metadata (s, pb, "tvsn", "season_number",4);
3798 mov_write_int8_metadata (s, pb, "stik", "media_type",1);
3799 mov_write_int8_metadata (s, pb, "hdvd", "hd_video", 1);
3800 mov_write_int8_metadata (s, pb, "pgap", "gapless_playback",1);
3801 mov_write_int8_metadata (s, pb, "cpil", "compilation", 1);
3802 mov_write_covr(pb, s);
3803 mov_write_trkn_tag(pb, mov, s, 0); // track number
3804 mov_write_trkn_tag(pb, mov, s, 1); // disc number
3805 mov_write_tmpo_tag(pb, s);
3806 return update_size(pb, pos);
3809 static int mov_write_mdta_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
3812 avio_wb32(pb, 33); /* size */
3813 ffio_wfourcc(pb, "hdlr");
3816 ffio_wfourcc(pb, "mdta");
3824 static int mov_write_mdta_keys_tag(AVIOContext *pb, MOVMuxContext *mov,
3827 AVDictionaryEntry *t = NULL;
3828 int64_t pos = avio_tell(pb);
3829 int64_t curpos, entry_pos;
3832 avio_wb32(pb, 0); /* size */
3833 ffio_wfourcc(pb, "keys");
3835 entry_pos = avio_tell(pb);
3836 avio_wb32(pb, 0); /* entry count */
3838 while (t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX)) {
3839 avio_wb32(pb, strlen(t->key) + 8);
3840 ffio_wfourcc(pb, "mdta");
3841 avio_write(pb, t->key, strlen(t->key));
3844 curpos = avio_tell(pb);
3845 avio_seek(pb, entry_pos, SEEK_SET);
3846 avio_wb32(pb, count); // rewrite entry count
3847 avio_seek(pb, curpos, SEEK_SET);
3849 return update_size(pb, pos);
3852 static int mov_write_mdta_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
3855 AVDictionaryEntry *t = NULL;
3856 int64_t pos = avio_tell(pb);
3857 int count = 1; /* keys are 1-index based */
3859 avio_wb32(pb, 0); /* size */
3860 ffio_wfourcc(pb, "ilst");
3862 while (t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX)) {
3863 int64_t entry_pos = avio_tell(pb);
3864 avio_wb32(pb, 0); /* size */
3865 avio_wb32(pb, count); /* key */
3866 mov_write_string_data_tag(pb, t->value, 0, 1);
3867 update_size(pb, entry_pos);
3870 return update_size(pb, pos);
3873 /* meta data tags */
3874 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
3878 int64_t pos = avio_tell(pb);
3879 avio_wb32(pb, 0); /* size */
3880 ffio_wfourcc(pb, "meta");
3882 if (mov->flags & FF_MOV_FLAG_USE_MDTA) {
3883 mov_write_mdta_hdlr_tag(pb, mov, s);
3884 mov_write_mdta_keys_tag(pb, mov, s);
3885 mov_write_mdta_ilst_tag(pb, mov, s);
3888 /* iTunes metadata tag */
3889 mov_write_itunes_hdlr_tag(pb, mov, s);
3890 mov_write_ilst_tag(pb, mov, s);
3892 size = update_size(pb, pos);
3896 static int mov_write_raw_metadata_tag(AVFormatContext *s, AVIOContext *pb,
3897 const char *name, const char *key)
3900 AVDictionaryEntry *t;
3902 if (!(t = av_dict_get(s->metadata, key, NULL, 0)))
3905 len = strlen(t->value);
3908 avio_wb32(pb, size);
3909 ffio_wfourcc(pb, name);
3910 avio_write(pb, t->value, len);
3916 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
3920 GET_UTF8(val, *b++, return -1;)
3923 avio_wb16(pb, 0x00);
3927 static uint16_t language_code(const char *str)
3929 return (((str[0] - 0x60) & 0x1F) << 10) +
3930 (((str[1] - 0x60) & 0x1F) << 5) +
3931 (( str[2] - 0x60) & 0x1F);
3934 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
3935 const char *tag, const char *str)
3937 int64_t pos = avio_tell(pb);
3938 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
3939 if (!t || !utf8len(t->value))
3941 avio_wb32(pb, 0); /* size */
3942 ffio_wfourcc(pb, tag); /* type */
3943 avio_wb32(pb, 0); /* version + flags */
3944 if (!strcmp(tag, "yrrc"))
3945 avio_wb16(pb, atoi(t->value));
3947 avio_wb16(pb, language_code("eng")); /* language */
3948 avio_write(pb, t->value, strlen(t->value) + 1); /* UTF8 string value */
3949 if (!strcmp(tag, "albm") &&
3950 (t = av_dict_get(s->metadata, "track", NULL, 0)))
3951 avio_w8(pb, atoi(t->value));
3953 return update_size(pb, pos);
3956 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
3958 int64_t pos = avio_tell(pb);
3959 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
3961 avio_wb32(pb, 0); // size
3962 ffio_wfourcc(pb, "chpl");
3963 avio_wb32(pb, 0x01000000); // version + flags
3964 avio_wb32(pb, 0); // unknown
3965 avio_w8(pb, nb_chapters);
3967 for (i = 0; i < nb_chapters; i++) {
3968 AVChapter *c = s->chapters[i];
3969 AVDictionaryEntry *t;
3970 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
3972 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3973 int len = FFMIN(strlen(t->value), 255);
3975 avio_write(pb, t->value, len);
3979 return update_size(pb, pos);
3982 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
3985 AVIOContext *pb_buf;
3989 ret = avio_open_dyn_buf(&pb_buf);
3993 if (mov->mode & MODE_3GP) {
3994 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
3995 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
3996 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
3997 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
3998 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
3999 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
4000 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
4001 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
4002 mov_write_loci_tag(s, pb_buf);
4003 } 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
4004 mov_write_string_metadata(s, pb_buf, "\251ART", "artist", 0);
4005 mov_write_string_metadata(s, pb_buf, "\251nam", "title", 0);
4006 mov_write_string_metadata(s, pb_buf, "\251aut", "author", 0);
4007 mov_write_string_metadata(s, pb_buf, "\251alb", "album", 0);
4008 mov_write_string_metadata(s, pb_buf, "\251day", "date", 0);
4009 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder", 0);
4010 // currently ignored by mov.c
4011 mov_write_string_metadata(s, pb_buf, "\251des", "comment", 0);
4012 // add support for libquicktime, this atom is also actually read by mov.c
4013 mov_write_string_metadata(s, pb_buf, "\251cmt", "comment", 0);
4014 mov_write_string_metadata(s, pb_buf, "\251gen", "genre", 0);
4015 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright", 0);
4016 mov_write_string_metadata(s, pb_buf, "\251mak", "make", 0);
4017 mov_write_string_metadata(s, pb_buf, "\251mod", "model", 0);
4018 mov_write_string_metadata(s, pb_buf, "\251xyz", "location", 0);
4019 mov_write_string_metadata(s, pb_buf, "\251key", "keywords", 0);
4020 mov_write_raw_metadata_tag(s, pb_buf, "XMP_", "xmp");
4022 /* iTunes meta data */
4023 mov_write_meta_tag(pb_buf, mov, s);
4024 mov_write_loci_tag(s, pb_buf);
4027 if (s->nb_chapters && !(mov->flags & FF_MOV_FLAG_DISABLE_CHPL))
4028 mov_write_chpl_tag(pb_buf, s);
4030 if ((size = avio_get_dyn_buf(pb_buf, &buf)) > 0) {
4031 avio_wb32(pb, size + 8);
4032 ffio_wfourcc(pb, "udta");
4033 avio_write(pb, buf, size);
4035 ffio_free_dyn_buf(&pb_buf);
4040 static void mov_write_psp_udta_tag(AVIOContext *pb,
4041 const char *str, const char *lang, int type)
4043 int len = utf8len(str) + 1;
4046 avio_wb16(pb, len * 2 + 10); /* size */
4047 avio_wb32(pb, type); /* type */
4048 avio_wb16(pb, language_code(lang)); /* language */
4049 avio_wb16(pb, 0x01); /* ? */
4050 ascii_to_wc(pb, str);
4053 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
4055 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
4059 pos = avio_tell(pb);
4060 avio_wb32(pb, 0); /* size placeholder*/
4061 ffio_wfourcc(pb, "uuid");
4062 ffio_wfourcc(pb, "USMT");
4063 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
4064 avio_wb32(pb, 0xbb88695c);
4065 avio_wb32(pb, 0xfac9c740);
4067 pos2 = avio_tell(pb);
4068 avio_wb32(pb, 0); /* size placeholder*/
4069 ffio_wfourcc(pb, "MTDT");
4073 avio_wb16(pb, 0x0C); /* size */
4074 avio_wb32(pb, 0x0B); /* type */
4075 avio_wb16(pb, language_code("und")); /* language */
4076 avio_wb16(pb, 0x0); /* ? */
4077 avio_wb16(pb, 0x021C); /* data */
4079 if (!(s->flags & AVFMT_FLAG_BITEXACT))
4080 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
4081 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
4082 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
4084 update_size(pb, pos2);
4085 return update_size(pb, pos);
4091 static void build_chunks(MOVTrack *trk)
4094 MOVIentry *chunk = &trk->cluster[0];
4095 uint64_t chunkSize = chunk->size;
4096 chunk->chunkNum = 1;
4097 if (trk->chunkCount)
4099 trk->chunkCount = 1;
4100 for (i = 1; i<trk->entry; i++){
4101 if (chunk->pos + chunkSize == trk->cluster[i].pos &&
4102 chunkSize + trk->cluster[i].size < (1<<20)){
4103 chunkSize += trk->cluster[i].size;
4104 chunk->samples_in_chunk += trk->cluster[i].entries;
4106 trk->cluster[i].chunkNum = chunk->chunkNum+1;
4107 chunk=&trk->cluster[i];
4108 chunkSize = chunk->size;
4115 * Assign track ids. If option "use_stream_ids_as_track_ids" is set,
4116 * the stream ids are used as track ids.
4118 * This assumes mov->tracks and s->streams are in the same order and
4119 * there are no gaps in either of them (so mov->tracks[n] refers to
4122 * As an exception, there can be more entries in
4123 * s->streams than in mov->tracks, in which case new track ids are
4124 * generated (starting after the largest found stream id).
4126 static int mov_setup_track_ids(MOVMuxContext *mov, AVFormatContext *s)
4130 if (mov->track_ids_ok)
4133 if (mov->use_stream_ids_as_track_ids) {
4134 int next_generated_track_id = 0;
4135 for (i = 0; i < s->nb_streams; i++) {
4136 if (s->streams[i]->id > next_generated_track_id)
4137 next_generated_track_id = s->streams[i]->id;
4140 for (i = 0; i < mov->nb_streams; i++) {
4141 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
4144 mov->tracks[i].track_id = i >= s->nb_streams ? ++next_generated_track_id : s->streams[i]->id;
4147 for (i = 0; i < mov->nb_streams; i++) {
4148 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
4151 mov->tracks[i].track_id = i + 1;
4155 mov->track_ids_ok = 1;
4160 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
4164 int64_t pos = avio_tell(pb);
4165 avio_wb32(pb, 0); /* size placeholder*/
4166 ffio_wfourcc(pb, "moov");
4168 mov_setup_track_ids(mov, s);
4170 for (i = 0; i < mov->nb_streams; i++) {
4171 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
4174 mov->tracks[i].time = mov->time;
4176 if (mov->tracks[i].entry)
4177 build_chunks(&mov->tracks[i]);
4180 if (mov->chapter_track)
4181 for (i = 0; i < s->nb_streams; i++) {
4182 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
4183 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
4185 for (i = 0; i < mov->nb_streams; i++) {
4186 MOVTrack *track = &mov->tracks[i];
4187 if (track->tag == MKTAG('r','t','p',' ')) {
4188 track->tref_tag = MKTAG('h','i','n','t');
4189 track->tref_id = mov->tracks[track->src_track].track_id;
4190 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
4193 fallback = (int*)av_stream_get_side_data(track->st,
4194 AV_PKT_DATA_FALLBACK_TRACK,
4196 if (fallback != NULL && size == sizeof(int)) {
4197 if (*fallback >= 0 && *fallback < mov->nb_streams) {
4198 track->tref_tag = MKTAG('f','a','l','l');
4199 track->tref_id = mov->tracks[*fallback].track_id;
4204 for (i = 0; i < mov->nb_streams; i++) {
4205 if (mov->tracks[i].tag == MKTAG('t','m','c','d')) {
4206 int src_trk = mov->tracks[i].src_track;
4207 mov->tracks[src_trk].tref_tag = mov->tracks[i].tag;
4208 mov->tracks[src_trk].tref_id = mov->tracks[i].track_id;
4209 //src_trk may have a different timescale than the tmcd track
4210 mov->tracks[i].track_duration = av_rescale(mov->tracks[src_trk].track_duration,
4211 mov->tracks[i].timescale,
4212 mov->tracks[src_trk].timescale);
4216 mov_write_mvhd_tag(pb, mov);
4217 if (mov->mode != MODE_MOV && !mov->iods_skip)
4218 mov_write_iods_tag(pb, mov);
4219 for (i = 0; i < mov->nb_streams; i++) {
4220 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
4221 int ret = mov_write_trak_tag(s, pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
4226 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
4227 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
4229 if (mov->mode == MODE_PSP)
4230 mov_write_uuidusmt_tag(pb, s);
4232 mov_write_udta_tag(pb, mov, s);
4234 return update_size(pb, pos);
4237 static void param_write_int(AVIOContext *pb, const char *name, int value)
4239 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
4242 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
4244 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
4247 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
4250 len = FFMIN(sizeof(buf) / 2 - 1, len);
4251 ff_data_to_hex(buf, value, len, 0);
4252 buf[2 * len] = '\0';
4253 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
4256 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov, AVFormatContext *s)
4258 int64_t pos = avio_tell(pb);
4261 static const uint8_t uuid[] = {
4262 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
4263 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
4267 ffio_wfourcc(pb, "uuid");
4268 avio_write(pb, uuid, sizeof(uuid));
4271 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
4272 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
4273 avio_printf(pb, "<head>\n");
4274 if (!(mov->fc->flags & AVFMT_FLAG_BITEXACT))
4275 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
4277 avio_printf(pb, "</head>\n");
4278 avio_printf(pb, "<body>\n");
4279 avio_printf(pb, "<switch>\n");
4281 mov_setup_track_ids(mov, s);
4283 for (i = 0; i < mov->nb_streams; i++) {
4284 MOVTrack *track = &mov->tracks[i];
4285 struct mpeg4_bit_rate_values bit_rates =
4286 calculate_mpeg4_bit_rates(track);
4288 int track_id = track->track_id;
4289 char track_name_buf[32] = { 0 };
4291 AVStream *st = track->st;
4292 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
4294 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO && !is_cover_image(st)) {
4296 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
4302 avio_printf(pb, "<%s systemBitrate=\"%"PRIu32"\">\n", type,
4303 bit_rates.avg_bit_rate);
4304 param_write_int(pb, "systemBitrate", bit_rates.avg_bit_rate);
4305 param_write_int(pb, "trackID", track_id);
4306 param_write_string(pb, "systemLanguage", lang ? lang->value : "und");
4308 /* Build track name piece by piece: */
4310 av_strlcat(track_name_buf, type, sizeof(track_name_buf));
4311 /* 2. track language, if available */
4313 av_strlcatf(track_name_buf, sizeof(track_name_buf),
4314 "_%s", lang->value);
4315 /* 3. special type suffix */
4316 /* "_cc" = closed captions, "_ad" = audio_description */
4317 if (st->disposition & AV_DISPOSITION_HEARING_IMPAIRED)
4318 av_strlcat(track_name_buf, "_cc", sizeof(track_name_buf));
4319 else if (st->disposition & AV_DISPOSITION_VISUAL_IMPAIRED)
4320 av_strlcat(track_name_buf, "_ad", sizeof(track_name_buf));
4322 param_write_string(pb, "trackName", track_name_buf);
4324 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
4325 if (track->par->codec_id == AV_CODEC_ID_H264) {
4327 int size = track->par->extradata_size;
4328 if (!ff_avc_write_annexb_extradata(track->par->extradata, &ptr,
4330 param_write_hex(pb, "CodecPrivateData",
4331 ptr ? ptr : track->par->extradata,
4335 param_write_string(pb, "FourCC", "H264");
4336 } else if (track->par->codec_id == AV_CODEC_ID_VC1) {
4337 param_write_string(pb, "FourCC", "WVC1");
4338 param_write_hex(pb, "CodecPrivateData", track->par->extradata,
4339 track->par->extradata_size);
4341 param_write_int(pb, "MaxWidth", track->par->width);
4342 param_write_int(pb, "MaxHeight", track->par->height);
4343 param_write_int(pb, "DisplayWidth", track->par->width);
4344 param_write_int(pb, "DisplayHeight", track->par->height);
4346 if (track->par->codec_id == AV_CODEC_ID_AAC) {
4347 switch (track->par->profile)
4349 case FF_PROFILE_AAC_HE_V2:
4350 param_write_string(pb, "FourCC", "AACP");
4352 case FF_PROFILE_AAC_HE:
4353 param_write_string(pb, "FourCC", "AACH");
4356 param_write_string(pb, "FourCC", "AACL");
4358 } else if (track->par->codec_id == AV_CODEC_ID_WMAPRO) {
4359 param_write_string(pb, "FourCC", "WMAP");
4361 param_write_hex(pb, "CodecPrivateData", track->par->extradata,
4362 track->par->extradata_size);
4363 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
4364 track->par->codec_id));
4365 param_write_int(pb, "Channels", track->par->channels);
4366 param_write_int(pb, "SamplingRate", track->par->sample_rate);
4367 param_write_int(pb, "BitsPerSample", 16);
4368 param_write_int(pb, "PacketSize", track->par->block_align ?
4369 track->par->block_align : 4);
4371 avio_printf(pb, "</%s>\n", type);
4373 avio_printf(pb, "</switch>\n");
4374 avio_printf(pb, "</body>\n");
4375 avio_printf(pb, "</smil>\n");
4377 return update_size(pb, pos);
4380 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
4383 ffio_wfourcc(pb, "mfhd");
4385 avio_wb32(pb, mov->fragments);
4389 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
4391 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
4392 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
4395 static int mov_write_tfhd_tag(AVIOContext *pb, MOVMuxContext *mov,
4396 MOVTrack *track, int64_t moof_offset)
4398 int64_t pos = avio_tell(pb);
4399 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
4400 MOV_TFHD_BASE_DATA_OFFSET;
4401 if (!track->entry) {
4402 flags |= MOV_TFHD_DURATION_IS_EMPTY;
4404 flags |= MOV_TFHD_DEFAULT_FLAGS;
4406 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET)
4407 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
4408 if (mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) {
4409 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
4410 flags |= MOV_TFHD_DEFAULT_BASE_IS_MOOF;
4412 /* CMAF requires all values to be explicit in tfhd atoms */
4413 if (mov->flags & FF_MOV_FLAG_CMAF)
4414 flags |= MOV_TFHD_STSD_ID;
4416 /* Don't set a default sample size, the silverlight player refuses
4417 * to play files with that set. Don't set a default sample duration,
4418 * WMP freaks out if it is set. Don't set a base data offset, PIFF
4419 * file format says it MUST NOT be set. */
4420 if (track->mode == MODE_ISM)
4421 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
4422 MOV_TFHD_BASE_DATA_OFFSET | MOV_TFHD_STSD_ID);
4424 avio_wb32(pb, 0); /* size placeholder */
4425 ffio_wfourcc(pb, "tfhd");
4426 avio_w8(pb, 0); /* version */
4427 avio_wb24(pb, flags);
4429 avio_wb32(pb, track->track_id); /* track-id */
4430 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
4431 avio_wb64(pb, moof_offset);
4432 if (flags & MOV_TFHD_STSD_ID) {
4435 if (flags & MOV_TFHD_DEFAULT_DURATION) {
4436 track->default_duration = get_cluster_duration(track, 0);
4437 avio_wb32(pb, track->default_duration);
4439 if (flags & MOV_TFHD_DEFAULT_SIZE) {
4440 track->default_size = track->entry ? track->cluster[0].size : 1;
4441 avio_wb32(pb, track->default_size);
4443 track->default_size = -1;
4445 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
4446 /* Set the default flags based on the second sample, if available.
4447 * If the first sample is different, that can be signaled via a separate field. */
4448 if (track->entry > 1)
4449 track->default_sample_flags = get_sample_flags(track, &track->cluster[1]);
4451 track->default_sample_flags =
4452 track->par->codec_type == AVMEDIA_TYPE_VIDEO ?
4453 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
4454 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
4455 avio_wb32(pb, track->default_sample_flags);
4458 return update_size(pb, pos);
4461 static int mov_write_trun_tag(AVIOContext *pb, MOVMuxContext *mov,
4462 MOVTrack *track, int moof_size,
4465 int64_t pos = avio_tell(pb);
4466 uint32_t flags = MOV_TRUN_DATA_OFFSET;
4469 for (i = first; i < end; i++) {
4470 if (get_cluster_duration(track, i) != track->default_duration)
4471 flags |= MOV_TRUN_SAMPLE_DURATION;
4472 if (track->cluster[i].size != track->default_size)
4473 flags |= MOV_TRUN_SAMPLE_SIZE;
4474 if (i > first && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
4475 flags |= MOV_TRUN_SAMPLE_FLAGS;
4477 if (!(flags & MOV_TRUN_SAMPLE_FLAGS) && track->entry > 0 &&
4478 get_sample_flags(track, &track->cluster[0]) != track->default_sample_flags)
4479 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
4480 if (track->flags & MOV_TRACK_CTTS)
4481 flags |= MOV_TRUN_SAMPLE_CTS;
4483 avio_wb32(pb, 0); /* size placeholder */
4484 ffio_wfourcc(pb, "trun");
4485 if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4486 avio_w8(pb, 1); /* version */
4488 avio_w8(pb, 0); /* version */
4489 avio_wb24(pb, flags);
4491 avio_wb32(pb, end - first); /* sample count */
4492 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
4493 !(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) &&
4495 avio_wb32(pb, 0); /* Later tracks follow immediately after the previous one */
4497 avio_wb32(pb, moof_size + 8 + track->data_offset +
4498 track->cluster[first].pos); /* data offset */
4499 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
4500 avio_wb32(pb, get_sample_flags(track, &track->cluster[first]));
4502 for (i = first; i < end; i++) {
4503 if (flags & MOV_TRUN_SAMPLE_DURATION)
4504 avio_wb32(pb, get_cluster_duration(track, i));
4505 if (flags & MOV_TRUN_SAMPLE_SIZE)
4506 avio_wb32(pb, track->cluster[i].size);
4507 if (flags & MOV_TRUN_SAMPLE_FLAGS)
4508 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
4509 if (flags & MOV_TRUN_SAMPLE_CTS)
4510 avio_wb32(pb, track->cluster[i].cts);
4513 mov->first_trun = 0;
4514 return update_size(pb, pos);
4517 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
4519 int64_t pos = avio_tell(pb);
4520 static const uint8_t uuid[] = {
4521 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
4522 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
4525 avio_wb32(pb, 0); /* size placeholder */
4526 ffio_wfourcc(pb, "uuid");
4527 avio_write(pb, uuid, sizeof(uuid));
4530 avio_wb64(pb, track->start_dts + track->frag_start +
4531 track->cluster[0].cts);
4532 avio_wb64(pb, track->end_pts -
4533 (track->cluster[0].dts + track->cluster[0].cts));
4535 return update_size(pb, pos);
4538 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
4539 MOVTrack *track, int entry)
4541 int n = track->nb_frag_info - 1 - entry, i;
4542 int size = 8 + 16 + 4 + 1 + 16*n;
4543 static const uint8_t uuid[] = {
4544 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
4545 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
4551 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
4552 avio_wb32(pb, size);
4553 ffio_wfourcc(pb, "uuid");
4554 avio_write(pb, uuid, sizeof(uuid));
4558 for (i = 0; i < n; i++) {
4559 int index = entry + 1 + i;
4560 avio_wb64(pb, track->frag_info[index].time);
4561 avio_wb64(pb, track->frag_info[index].duration);
4563 if (n < mov->ism_lookahead) {
4564 int free_size = 16 * (mov->ism_lookahead - n);
4565 avio_wb32(pb, free_size);
4566 ffio_wfourcc(pb, "free");
4567 ffio_fill(pb, 0, free_size - 8);
4573 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
4576 int64_t pos = avio_tell(pb);
4578 for (i = 0; i < mov->ism_lookahead; i++) {
4579 /* Update the tfrf tag for the last ism_lookahead fragments,
4580 * nb_frag_info - 1 is the next fragment to be written. */
4581 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
4583 avio_seek(pb, pos, SEEK_SET);
4587 static int mov_add_tfra_entries(AVIOContext *pb, MOVMuxContext *mov, int tracks,
4591 for (i = 0; i < mov->nb_streams; i++) {
4592 MOVTrack *track = &mov->tracks[i];
4593 MOVFragmentInfo *info;
4594 if ((tracks >= 0 && i != tracks) || !track->entry)
4596 track->nb_frag_info++;
4597 if (track->nb_frag_info >= track->frag_info_capacity) {
4598 unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT;
4599 if (av_reallocp_array(&track->frag_info,
4601 sizeof(*track->frag_info)))
4602 return AVERROR(ENOMEM);
4603 track->frag_info_capacity = new_capacity;
4605 info = &track->frag_info[track->nb_frag_info - 1];
4606 info->offset = avio_tell(pb);
4608 // Try to recreate the original pts for the first packet
4609 // from the fields we have stored
4610 info->time = track->start_dts + track->frag_start +
4611 track->cluster[0].cts;
4612 info->duration = track->end_pts -
4613 (track->cluster[0].dts + track->cluster[0].cts);
4614 // If the pts is less than zero, we will have trimmed
4615 // away parts of the media track using an edit list,
4616 // and the corresponding start presentation time is zero.
4617 if (info->time < 0) {
4618 info->duration += info->time;
4621 info->tfrf_offset = 0;
4622 mov_write_tfrf_tags(pb, mov, track);
4627 static void mov_prune_frag_info(MOVMuxContext *mov, int tracks, int max)
4630 for (i = 0; i < mov->nb_streams; i++) {
4631 MOVTrack *track = &mov->tracks[i];
4632 if ((tracks >= 0 && i != tracks) || !track->entry)
4634 if (track->nb_frag_info > max) {
4635 memmove(track->frag_info, track->frag_info + (track->nb_frag_info - max), max * sizeof(*track->frag_info));
4636 track->nb_frag_info = max;
4641 static int mov_write_tfdt_tag(AVIOContext *pb, MOVTrack *track)
4643 int64_t pos = avio_tell(pb);
4645 avio_wb32(pb, 0); /* size */
4646 ffio_wfourcc(pb, "tfdt");
4647 avio_w8(pb, 1); /* version */
4649 avio_wb64(pb, track->frag_start);
4650 return update_size(pb, pos);
4653 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
4654 MOVTrack *track, int64_t moof_offset,
4657 int64_t pos = avio_tell(pb);
4659 avio_wb32(pb, 0); /* size placeholder */
4660 ffio_wfourcc(pb, "traf");
4662 mov_write_tfhd_tag(pb, mov, track, moof_offset);
4663 if (mov->mode != MODE_ISM)
4664 mov_write_tfdt_tag(pb, track);
4665 for (i = 1; i < track->entry; i++) {
4666 if (track->cluster[i].pos != track->cluster[i - 1].pos + track->cluster[i - 1].size) {
4667 mov_write_trun_tag(pb, mov, track, moof_size, start, i);
4671 mov_write_trun_tag(pb, mov, track, moof_size, start, track->entry);
4672 if (mov->mode == MODE_ISM) {
4673 mov_write_tfxd_tag(pb, track);
4675 if (mov->ism_lookahead) {
4676 int i, size = 16 + 4 + 1 + 16 * mov->ism_lookahead;
4678 if (track->nb_frag_info > 0) {
4679 MOVFragmentInfo *info = &track->frag_info[track->nb_frag_info - 1];
4680 if (!info->tfrf_offset)
4681 info->tfrf_offset = avio_tell(pb);
4683 avio_wb32(pb, 8 + size);
4684 ffio_wfourcc(pb, "free");
4685 for (i = 0; i < size; i++)
4690 return update_size(pb, pos);
4693 static int mov_write_moof_tag_internal(AVIOContext *pb, MOVMuxContext *mov,
4694 int tracks, int moof_size)
4696 int64_t pos = avio_tell(pb);
4699 avio_wb32(pb, 0); /* size placeholder */
4700 ffio_wfourcc(pb, "moof");
4701 mov->first_trun = 1;
4703 mov_write_mfhd_tag(pb, mov);
4704 for (i = 0; i < mov->nb_streams; i++) {
4705 MOVTrack *track = &mov->tracks[i];
4706 if (tracks >= 0 && i != tracks)
4710 mov_write_traf_tag(pb, mov, track, pos, moof_size);
4713 return update_size(pb, pos);
4716 static int mov_write_sidx_tag(AVIOContext *pb,
4717 MOVTrack *track, int ref_size, int total_sidx_size)
4719 int64_t pos = avio_tell(pb), offset_pos, end_pos;
4720 int64_t presentation_time, duration, offset;
4721 unsigned starts_with_SAP;
4726 presentation_time = track->start_dts + track->frag_start +
4727 track->cluster[0].cts;
4728 duration = track->end_pts -
4729 (track->cluster[0].dts + track->cluster[0].cts);
4730 starts_with_SAP = track->cluster[0].flags & MOV_SYNC_SAMPLE;
4732 // pts<0 should be cut away using edts
4733 if (presentation_time < 0) {
4734 duration += presentation_time;
4735 presentation_time = 0;
4738 entries = track->nb_frag_info;
4741 presentation_time = track->frag_info[0].time;
4744 avio_wb32(pb, 0); /* size */
4745 ffio_wfourcc(pb, "sidx");
4746 avio_w8(pb, 1); /* version */
4748 avio_wb32(pb, track->track_id); /* reference_ID */
4749 avio_wb32(pb, track->timescale); /* timescale */
4750 avio_wb64(pb, presentation_time); /* earliest_presentation_time */
4751 offset_pos = avio_tell(pb);
4752 avio_wb64(pb, 0); /* first_offset (offset to referenced moof) */
4753 avio_wb16(pb, 0); /* reserved */
4755 avio_wb16(pb, entries); /* reference_count */
4756 for (i = 0; i < entries; i++) {
4757 if (!track->entry) {
4758 if (i > 1 && track->frag_info[i].offset != track->frag_info[i - 1].offset + track->frag_info[i - 1].size) {
4759 av_log(NULL, AV_LOG_ERROR, "Non-consecutive fragments, writing incorrect sidx\n");
4761 duration = track->frag_info[i].duration;
4762 ref_size = track->frag_info[i].size;
4763 starts_with_SAP = 1;
4765 avio_wb32(pb, (0 << 31) | (ref_size & 0x7fffffff)); /* reference_type (0 = media) | referenced_size */
4766 avio_wb32(pb, duration); /* subsegment_duration */
4767 avio_wb32(pb, (starts_with_SAP << 31) | (0 << 28) | 0); /* starts_with_SAP | SAP_type | SAP_delta_time */
4770 end_pos = avio_tell(pb);
4771 offset = pos + total_sidx_size - end_pos;
4772 avio_seek(pb, offset_pos, SEEK_SET);
4773 avio_wb64(pb, offset);
4774 avio_seek(pb, end_pos, SEEK_SET);
4775 return update_size(pb, pos);
4778 static int mov_write_sidx_tags(AVIOContext *pb, MOVMuxContext *mov,
4779 int tracks, int ref_size)
4782 AVIOContext *avio_buf;
4784 for (round = 0; round < 2; round++) {
4785 // First run one round to calculate the total size of all
4787 // This would be much simpler if we'd only write one sidx
4788 // atom, for the first track in the moof.
4790 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
4795 for (i = 0; i < mov->nb_streams; i++) {
4796 MOVTrack *track = &mov->tracks[i];
4797 if (tracks >= 0 && i != tracks)
4799 // When writing a sidx for the full file, entry is 0, but
4800 // we want to include all tracks. ref_size is 0 in this case,
4801 // since we read it from frag_info instead.
4802 if (!track->entry && ref_size > 0)
4804 total_size -= mov_write_sidx_tag(avio_buf, track, ref_size,
4808 total_size = ffio_close_null_buf(avio_buf);
4813 static int mov_write_prft_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
4815 int64_t pos = avio_tell(pb), pts_us, ntp_ts;
4816 MOVTrack *first_track;
4819 /* PRFT should be associated with at most one track. So, choosing only the
4823 first_track = &(mov->tracks[0]);
4825 if (!first_track->entry) {
4826 av_log(mov->fc, AV_LOG_WARNING, "Unable to write PRFT, no entries in the track\n");
4830 if (first_track->cluster[0].pts == AV_NOPTS_VALUE) {
4831 av_log(mov->fc, AV_LOG_WARNING, "Unable to write PRFT, first PTS is invalid\n");
4835 if (mov->write_prft == MOV_PRFT_SRC_WALLCLOCK) {
4836 if (first_track->cluster[0].prft.wallclock) {
4837 /* Round the NTP time to whole milliseconds. */
4838 ntp_ts = ff_get_formatted_ntp_time((first_track->cluster[0].prft.wallclock / 1000) * 1000 +
4840 flags = first_track->cluster[0].prft.flags;
4842 ntp_ts = ff_get_formatted_ntp_time(ff_ntp_time());
4843 } else if (mov->write_prft == MOV_PRFT_SRC_PTS) {
4844 pts_us = av_rescale_q(first_track->cluster[0].pts,
4845 first_track->st->time_base, AV_TIME_BASE_Q);
4846 ntp_ts = ff_get_formatted_ntp_time(pts_us + NTP_OFFSET_US);
4848 av_log(mov->fc, AV_LOG_WARNING, "Unsupported PRFT box configuration: %d\n",
4853 avio_wb32(pb, 0); // Size place holder
4854 ffio_wfourcc(pb, "prft"); // Type
4855 avio_w8(pb, 1); // Version
4856 avio_wb24(pb, flags); // Flags
4857 avio_wb32(pb, first_track->track_id); // reference track ID
4858 avio_wb64(pb, ntp_ts); // NTP time stamp
4859 avio_wb64(pb, first_track->cluster[0].pts); //media time
4860 return update_size(pb, pos);
4863 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks,
4866 AVIOContext *avio_buf;
4869 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
4871 mov_write_moof_tag_internal(avio_buf, mov, tracks, 0);
4872 moof_size = ffio_close_null_buf(avio_buf);
4874 if (mov->flags & FF_MOV_FLAG_DASH &&
4875 !(mov->flags & (FF_MOV_FLAG_GLOBAL_SIDX | FF_MOV_FLAG_SKIP_SIDX)))
4876 mov_write_sidx_tags(pb, mov, tracks, moof_size + 8 + mdat_size);
4878 if (mov->write_prft > MOV_PRFT_NONE && mov->write_prft < MOV_PRFT_NB)
4879 mov_write_prft_tag(pb, mov, tracks);
4881 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX ||
4882 !(mov->flags & FF_MOV_FLAG_SKIP_TRAILER) ||
4883 mov->ism_lookahead) {
4884 if ((ret = mov_add_tfra_entries(pb, mov, tracks, moof_size + 8 + mdat_size)) < 0)
4886 if (!(mov->flags & FF_MOV_FLAG_GLOBAL_SIDX) &&
4887 mov->flags & FF_MOV_FLAG_SKIP_TRAILER) {
4888 mov_prune_frag_info(mov, tracks, mov->ism_lookahead + 1);
4892 return mov_write_moof_tag_internal(pb, mov, tracks, moof_size);
4895 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
4897 int64_t pos = avio_tell(pb);
4900 avio_wb32(pb, 0); /* size placeholder */
4901 ffio_wfourcc(pb, "tfra");
4902 avio_w8(pb, 1); /* version */
4905 avio_wb32(pb, track->track_id);
4906 avio_wb32(pb, 0); /* length of traf/trun/sample num */
4907 avio_wb32(pb, track->nb_frag_info);
4908 for (i = 0; i < track->nb_frag_info; i++) {
4909 avio_wb64(pb, track->frag_info[i].time);
4910 avio_wb64(pb, track->frag_info[i].offset + track->data_offset);
4911 avio_w8(pb, 1); /* traf number */
4912 avio_w8(pb, 1); /* trun number */
4913 avio_w8(pb, 1); /* sample number */
4916 return update_size(pb, pos);
4919 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
4921 AVIOContext *mfra_pb;
4925 ret = avio_open_dyn_buf(&mfra_pb);
4929 avio_wb32(mfra_pb, 0); /* size placeholder */
4930 ffio_wfourcc(mfra_pb, "mfra");
4931 /* An empty mfra atom is enough to indicate to the publishing point that
4932 * the stream has ended. */
4933 if (mov->flags & FF_MOV_FLAG_ISML)
4936 for (i = 0; i < mov->nb_streams; i++) {
4937 MOVTrack *track = &mov->tracks[i];
4938 if (track->nb_frag_info)
4939 mov_write_tfra_tag(mfra_pb, track);
4942 avio_wb32(mfra_pb, 16);
4943 ffio_wfourcc(mfra_pb, "mfro");
4944 avio_wb32(mfra_pb, 0); /* version + flags */
4945 avio_wb32(mfra_pb, avio_tell(mfra_pb) + 4);
4949 sz = update_size(mfra_pb, 0);
4950 ret = avio_get_dyn_buf(mfra_pb, &buf);
4951 avio_write(pb, buf, ret);
4952 ffio_free_dyn_buf(&mfra_pb);
4957 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
4959 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
4960 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
4962 mov->mdat_pos = avio_tell(pb);
4963 avio_wb32(pb, 0); /* size placeholder*/
4964 ffio_wfourcc(pb, "mdat");
4968 static void mov_write_ftyp_tag_internal(AVIOContext *pb, AVFormatContext *s,
4969 int has_h264, int has_video, int write_minor)
4971 MOVMuxContext *mov = s->priv_data;
4974 if (mov->major_brand && strlen(mov->major_brand) >= 4)
4975 ffio_wfourcc(pb, mov->major_brand);
4976 else if (mov->mode == MODE_3GP) {
4977 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
4978 minor = has_h264 ? 0x100 : 0x200;
4979 } else if (mov->mode & MODE_3G2) {
4980 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
4981 minor = has_h264 ? 0x20000 : 0x10000;
4982 } else if (mov->mode == MODE_PSP)
4983 ffio_wfourcc(pb, "MSNV");
4984 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_FRAGMENT &&
4985 mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4986 ffio_wfourcc(pb, "iso6"); // Required when using signed CTS offsets in trun boxes
4987 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
4988 ffio_wfourcc(pb, "iso5"); // Required when using default-base-is-moof
4989 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4990 ffio_wfourcc(pb, "iso4");
4991 else if (mov->mode == MODE_MP4)
4992 ffio_wfourcc(pb, "isom");
4993 else if (mov->mode == MODE_IPOD)
4994 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
4995 else if (mov->mode == MODE_ISM)
4996 ffio_wfourcc(pb, "isml");
4997 else if (mov->mode == MODE_F4V)
4998 ffio_wfourcc(pb, "f4v ");
5000 ffio_wfourcc(pb, "qt ");
5003 avio_wb32(pb, minor);
5006 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
5008 MOVMuxContext *mov = s->priv_data;
5009 int64_t pos = avio_tell(pb);
5010 int has_h264 = 0, has_av1 = 0, has_video = 0;
5013 for (i = 0; i < s->nb_streams; i++) {
5014 AVStream *st = s->streams[i];
5015 if (is_cover_image(st))
5017 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
5019 if (st->codecpar->codec_id == AV_CODEC_ID_H264)
5021 if (st->codecpar->codec_id == AV_CODEC_ID_AV1)
5025 avio_wb32(pb, 0); /* size */
5026 ffio_wfourcc(pb, "ftyp");
5028 // Write major brand
5029 mov_write_ftyp_tag_internal(pb, s, has_h264, has_video, 1);
5030 // Write the major brand as the first compatible brand as well
5031 mov_write_ftyp_tag_internal(pb, s, has_h264, has_video, 0);
5033 // Write compatible brands, ensuring that we don't write the major brand as a
5034 // compatible brand a second time.
5035 if (mov->mode == MODE_ISM) {
5036 ffio_wfourcc(pb, "piff");
5037 } else if (mov->mode != MODE_MOV) {
5038 // We add tfdt atoms when fragmenting, signal this with the iso6 compatible
5039 // brand, if not already the major brand. This is compatible with users that
5040 // don't understand tfdt.
5041 if (mov->mode == MODE_MP4) {
5042 if (mov->flags & FF_MOV_FLAG_CMAF)
5043 ffio_wfourcc(pb, "cmfc");
5044 if (mov->flags & FF_MOV_FLAG_FRAGMENT && !(mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS))
5045 ffio_wfourcc(pb, "iso6");
5047 ffio_wfourcc(pb, "av01");
5049 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
5050 ffio_wfourcc(pb, "iso6");
5051 if (mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
5052 ffio_wfourcc(pb, "iso5");
5053 else if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
5054 ffio_wfourcc(pb, "iso4");
5056 // Brands prior to iso5 can't be signaled when using default-base-is-moof
5057 if (!(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)) {
5058 // write isom for mp4 only if it it's not the major brand already.
5059 if (mov->mode != MODE_MP4 || mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
5060 ffio_wfourcc(pb, "isom");
5061 ffio_wfourcc(pb, "iso2");
5063 ffio_wfourcc(pb, "avc1");
5067 if (mov->mode == MODE_MP4)
5068 ffio_wfourcc(pb, "mp41");
5070 if (mov->flags & FF_MOV_FLAG_DASH && mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
5071 ffio_wfourcc(pb, "dash");
5073 return update_size(pb, pos);
5076 static int mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
5078 AVStream *video_st = s->streams[0];
5079 AVCodecParameters *video_par = s->streams[0]->codecpar;
5080 AVCodecParameters *audio_par = s->streams[1]->codecpar;
5081 int audio_rate = audio_par->sample_rate;
5082 int64_t frame_rate = video_st->avg_frame_rate.den ?
5083 (video_st->avg_frame_rate.num * 0x10000LL) / video_st->avg_frame_rate.den :
5085 int audio_kbitrate = audio_par->bit_rate / 1000;
5086 int video_kbitrate = FFMIN(video_par->bit_rate / 1000, 800 - audio_kbitrate);
5088 if (frame_rate < 0 || frame_rate > INT32_MAX) {
5089 av_log(s, AV_LOG_ERROR, "Frame rate %f outside supported range\n", frame_rate / (double)0x10000);
5090 return AVERROR(EINVAL);
5093 avio_wb32(pb, 0x94); /* size */
5094 ffio_wfourcc(pb, "uuid");
5095 ffio_wfourcc(pb, "PROF");
5097 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
5098 avio_wb32(pb, 0xbb88695c);
5099 avio_wb32(pb, 0xfac9c740);
5101 avio_wb32(pb, 0x0); /* ? */
5102 avio_wb32(pb, 0x3); /* 3 sections ? */
5104 avio_wb32(pb, 0x14); /* size */
5105 ffio_wfourcc(pb, "FPRF");
5106 avio_wb32(pb, 0x0); /* ? */
5107 avio_wb32(pb, 0x0); /* ? */
5108 avio_wb32(pb, 0x0); /* ? */
5110 avio_wb32(pb, 0x2c); /* size */
5111 ffio_wfourcc(pb, "APRF"); /* audio */
5113 avio_wb32(pb, 0x2); /* TrackID */
5114 ffio_wfourcc(pb, "mp4a");
5115 avio_wb32(pb, 0x20f);
5117 avio_wb32(pb, audio_kbitrate);
5118 avio_wb32(pb, audio_kbitrate);
5119 avio_wb32(pb, audio_rate);
5120 avio_wb32(pb, audio_par->channels);
5122 avio_wb32(pb, 0x34); /* size */
5123 ffio_wfourcc(pb, "VPRF"); /* video */
5125 avio_wb32(pb, 0x1); /* TrackID */
5126 if (video_par->codec_id == AV_CODEC_ID_H264) {
5127 ffio_wfourcc(pb, "avc1");
5128 avio_wb16(pb, 0x014D);
5129 avio_wb16(pb, 0x0015);
5131 ffio_wfourcc(pb, "mp4v");
5132 avio_wb16(pb, 0x0000);
5133 avio_wb16(pb, 0x0103);
5136 avio_wb32(pb, video_kbitrate);
5137 avio_wb32(pb, video_kbitrate);
5138 avio_wb32(pb, frame_rate);
5139 avio_wb32(pb, frame_rate);
5140 avio_wb16(pb, video_par->width);
5141 avio_wb16(pb, video_par->height);
5142 avio_wb32(pb, 0x010001); /* ? */
5147 static int mov_write_identification(AVIOContext *pb, AVFormatContext *s)
5149 MOVMuxContext *mov = s->priv_data;
5152 mov_write_ftyp_tag(pb,s);
5153 if (mov->mode == MODE_PSP) {
5154 int video_streams_nb = 0, audio_streams_nb = 0, other_streams_nb = 0;
5155 for (i = 0; i < s->nb_streams; i++) {
5156 AVStream *st = s->streams[i];
5157 if (is_cover_image(st))
5159 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
5161 else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
5167 if (video_streams_nb != 1 || audio_streams_nb != 1 || other_streams_nb) {
5168 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
5169 return AVERROR(EINVAL);
5171 return mov_write_uuidprof_tag(pb, s);
5176 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
5179 int i, closed_gop = 0;
5181 for (i = 0; i < pkt->size - 4; i++) {
5182 c = (c << 8) + pkt->data[i];
5183 if (c == 0x1b8) { // gop
5184 closed_gop = pkt->data[i + 4] >> 6 & 0x01;
5185 } else if (c == 0x100) { // pic
5186 int temp_ref = (pkt->data[i + 1] << 2) | (pkt->data[i + 2] >> 6);
5187 if (!temp_ref || closed_gop) // I picture is not reordered
5188 *flags = MOV_SYNC_SAMPLE;
5190 *flags = MOV_PARTIAL_SYNC_SAMPLE;
5197 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk)
5199 const uint8_t *start, *next, *end = pkt->data + pkt->size;
5200 int seq = 0, entry = 0;
5201 int key = pkt->flags & AV_PKT_FLAG_KEY;
5202 start = find_next_marker(pkt->data, end);
5203 for (next = start; next < end; start = next) {
5204 next = find_next_marker(start + 4, end);
5205 switch (AV_RB32(start)) {
5206 case VC1_CODE_SEQHDR:
5209 case VC1_CODE_ENTRYPOINT:
5212 case VC1_CODE_SLICE:
5213 trk->vc1_info.slices = 1;
5217 if (!trk->entry && trk->vc1_info.first_packet_seen)
5218 trk->vc1_info.first_frag_written = 1;
5219 if (!trk->entry && !trk->vc1_info.first_frag_written) {
5220 /* First packet in first fragment */
5221 trk->vc1_info.first_packet_seq = seq;
5222 trk->vc1_info.first_packet_entry = entry;
5223 trk->vc1_info.first_packet_seen = 1;
5224 } else if ((seq && !trk->vc1_info.packet_seq) ||
5225 (entry && !trk->vc1_info.packet_entry)) {
5227 for (i = 0; i < trk->entry; i++)
5228 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
5229 trk->has_keyframes = 0;
5231 trk->vc1_info.packet_seq = 1;
5233 trk->vc1_info.packet_entry = 1;
5234 if (!trk->vc1_info.first_frag_written) {
5235 /* First fragment */
5236 if ((!seq || trk->vc1_info.first_packet_seq) &&
5237 (!entry || trk->vc1_info.first_packet_entry)) {
5238 /* First packet had the same headers as this one, readd the
5239 * sync sample flag. */
5240 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
5241 trk->has_keyframes = 1;
5245 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
5247 else if (trk->vc1_info.packet_seq)
5249 else if (trk->vc1_info.packet_entry)
5252 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
5253 trk->has_keyframes++;
5257 static void mov_parse_truehd_frame(AVPacket *pkt, MOVTrack *trk)
5264 length = (AV_RB16(pkt->data) & 0xFFF) * 2;
5265 if (length < 8 || length > pkt->size)
5268 if (AV_RB32(pkt->data + 4) == 0xF8726FBA) {
5269 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
5270 trk->has_keyframes++;
5276 static int mov_flush_fragment_interleaving(AVFormatContext *s, MOVTrack *track)
5278 MOVMuxContext *mov = s->priv_data;
5283 if (!track->mdat_buf)
5285 if (!mov->mdat_buf) {
5286 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
5289 buf_size = avio_get_dyn_buf(track->mdat_buf, &buf);
5291 offset = avio_tell(mov->mdat_buf);
5292 avio_write(mov->mdat_buf, buf, buf_size);
5293 ffio_free_dyn_buf(&track->mdat_buf);
5295 for (i = track->entries_flushed; i < track->entry; i++)
5296 track->cluster[i].pos += offset;
5297 track->entries_flushed = track->entry;
5301 static int mov_flush_fragment(AVFormatContext *s, int force)
5303 MOVMuxContext *mov = s->priv_data;
5304 int i, first_track = -1;
5305 int64_t mdat_size = 0;
5307 int has_video = 0, starts_with_key = 0, first_video_track = 1;
5309 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
5312 // Try to fill in the duration of the last packet in each stream
5313 // from queued packets in the interleave queues. If the flushing
5314 // of fragments was triggered automatically by an AVPacket, we
5315 // already have reliable info for the end of that track, but other
5316 // tracks may need to be filled in.
5317 for (i = 0; i < s->nb_streams; i++) {
5318 MOVTrack *track = &mov->tracks[i];
5319 if (!track->end_reliable) {
5320 const AVPacket *pkt = ff_interleaved_peek(s, i);
5322 int64_t offset, dts, pts;
5323 ff_get_muxer_ts_offset(s, i, &offset);
5324 pts = pkt->pts + offset;
5325 dts = pkt->dts + offset;
5326 if (track->dts_shift != AV_NOPTS_VALUE)
5327 dts += track->dts_shift;
5328 track->track_duration = dts - track->start_dts;
5329 if (pts != AV_NOPTS_VALUE)
5330 track->end_pts = pts;
5332 track->end_pts = dts;
5337 for (i = 0; i < mov->nb_streams; i++) {
5338 MOVTrack *track = &mov->tracks[i];
5339 if (track->entry <= 1)
5341 // Sample durations are calculated as the diff of dts values,
5342 // but for the last sample in a fragment, we don't know the dts
5343 // of the first sample in the next fragment, so we have to rely
5344 // on what was set as duration in the AVPacket. Not all callers
5345 // set this though, so we might want to replace it with an
5346 // estimate if it currently is zero.
5347 if (get_cluster_duration(track, track->entry - 1) != 0)
5349 // Use the duration (i.e. dts diff) of the second last sample for
5350 // the last one. This is a wild guess (and fatal if it turns out
5351 // to be too long), but probably the best we can do - having a zero
5352 // duration is bad as well.
5353 track->track_duration += get_cluster_duration(track, track->entry - 2);
5354 track->end_pts += get_cluster_duration(track, track->entry - 2);
5355 if (!mov->missing_duration_warned) {
5356 av_log(s, AV_LOG_WARNING,
5357 "Estimating the duration of the last packet in a "
5358 "fragment, consider setting the duration field in "
5359 "AVPacket instead.\n");
5360 mov->missing_duration_warned = 1;
5364 if (!mov->moov_written) {
5365 int64_t pos = avio_tell(s->pb);
5367 int buf_size, moov_size;
5369 for (i = 0; i < mov->nb_streams; i++)
5370 if (!mov->tracks[i].entry && !is_cover_image(mov->tracks[i].st))
5372 /* Don't write the initial moov unless all tracks have data */
5373 if (i < mov->nb_streams && !force)
5376 moov_size = get_moov_size(s);
5377 for (i = 0; i < mov->nb_streams; i++)
5378 mov->tracks[i].data_offset = pos + moov_size + 8;
5380 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_HEADER);
5381 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
5382 mov_write_identification(s->pb, s);
5383 if ((ret = mov_write_moov_tag(s->pb, mov, s)) < 0)
5386 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV) {
5387 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
5388 mov->reserved_header_pos = avio_tell(s->pb);
5389 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
5390 mov->moov_written = 1;
5394 buf_size = avio_get_dyn_buf(mov->mdat_buf, &buf);
5395 avio_wb32(s->pb, buf_size + 8);
5396 ffio_wfourcc(s->pb, "mdat");
5397 avio_write(s->pb, buf, buf_size);
5398 ffio_free_dyn_buf(&mov->mdat_buf);
5400 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
5401 mov->reserved_header_pos = avio_tell(s->pb);
5403 mov->moov_written = 1;
5405 for (i = 0; i < mov->nb_streams; i++) {
5406 if (mov->tracks[i].entry)
5407 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
5408 mov->tracks[i].track_duration -
5409 mov->tracks[i].cluster[0].dts;
5410 mov->tracks[i].entry = 0;
5411 mov->tracks[i].end_reliable = 0;
5413 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
5417 if (mov->frag_interleave) {
5418 for (i = 0; i < mov->nb_streams; i++) {
5419 MOVTrack *track = &mov->tracks[i];
5421 if ((ret = mov_flush_fragment_interleaving(s, track)) < 0)
5427 mdat_size = avio_tell(mov->mdat_buf);
5430 for (i = 0; i < mov->nb_streams; i++) {
5431 MOVTrack *track = &mov->tracks[i];
5432 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF || mov->frag_interleave)
5433 track->data_offset = 0;
5435 track->data_offset = mdat_size;
5436 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
5438 if (first_video_track) {
5440 starts_with_key = track->cluster[0].flags & MOV_SYNC_SAMPLE;
5441 first_video_track = 0;
5446 if (track->mdat_buf)
5447 mdat_size += avio_tell(track->mdat_buf);
5448 if (first_track < 0)
5455 avio_write_marker(s->pb,
5456 av_rescale(mov->tracks[first_track].cluster[0].dts, AV_TIME_BASE, mov->tracks[first_track].timescale),
5457 (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);
5459 for (i = 0; i < mov->nb_streams; i++) {
5460 MOVTrack *track = &mov->tracks[i];
5461 int buf_size, write_moof = 1, moof_tracks = -1;
5463 int64_t duration = 0;
5466 duration = track->start_dts + track->track_duration -
5467 track->cluster[0].dts;
5468 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
5469 if (!track->mdat_buf)
5471 mdat_size = avio_tell(track->mdat_buf);
5474 write_moof = i == first_track;
5478 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
5480 mov_write_moof_tag(s->pb, mov, moof_tracks, mdat_size);
5483 avio_wb32(s->pb, mdat_size + 8);
5484 ffio_wfourcc(s->pb, "mdat");
5488 track->frag_start += duration;
5490 track->entries_flushed = 0;
5491 track->end_reliable = 0;
5492 if (!mov->frag_interleave) {
5493 if (!track->mdat_buf)
5495 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
5496 track->mdat_buf = NULL;
5500 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
5501 mov->mdat_buf = NULL;
5504 avio_write(s->pb, buf, buf_size);
5510 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
5514 static int mov_auto_flush_fragment(AVFormatContext *s, int force)
5516 MOVMuxContext *mov = s->priv_data;
5517 int had_moov = mov->moov_written;
5518 int ret = mov_flush_fragment(s, force);
5521 // If using delay_moov, the first flush only wrote the moov,
5522 // not the actual moof+mdat pair, thus flush once again.
5523 if (!had_moov && mov->flags & FF_MOV_FLAG_DELAY_MOOV)
5524 ret = mov_flush_fragment(s, force);
5528 static int check_pkt(AVFormatContext *s, AVPacket *pkt)
5530 MOVMuxContext *mov = s->priv_data;
5531 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5536 ref = trk->cluster[trk->entry - 1].dts;
5537 } else if ( trk->start_dts != AV_NOPTS_VALUE
5538 && !trk->frag_discont) {
5539 ref = trk->start_dts + trk->track_duration;
5541 ref = pkt->dts; // Skip tests for the first packet
5543 if (trk->dts_shift != AV_NOPTS_VALUE) {
5544 /* With negative CTS offsets we have set an offset to the DTS,
5545 * reverse this for the check. */
5546 ref -= trk->dts_shift;
5549 duration = pkt->dts - ref;
5550 if (pkt->dts < ref || duration >= INT_MAX) {
5551 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" / timestamp: %"PRId64" is out of range for mov/mp4 format\n",
5556 pkt->pts = AV_NOPTS_VALUE;
5559 if (pkt->duration < 0 || pkt->duration > INT_MAX) {
5560 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" is invalid\n", pkt->duration);
5561 return AVERROR(EINVAL);
5566 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
5568 MOVMuxContext *mov = s->priv_data;
5569 AVIOContext *pb = s->pb;
5570 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5571 AVCodecParameters *par = trk->par;
5572 AVProducerReferenceTime *prft;
5573 unsigned int samples_in_chunk = 0;
5574 int size = pkt->size, ret = 0, offset = 0;
5575 buffer_size_t prft_size;
5576 uint8_t *reformatted_data = NULL;
5578 ret = check_pkt(s, pkt);
5582 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
5584 if (mov->moov_written || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
5585 if (mov->frag_interleave && mov->fragments > 0) {
5586 if (trk->entry - trk->entries_flushed >= mov->frag_interleave) {
5587 if ((ret = mov_flush_fragment_interleaving(s, trk)) < 0)
5592 if (!trk->mdat_buf) {
5593 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
5598 if (!mov->mdat_buf) {
5599 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
5606 if (par->codec_id == AV_CODEC_ID_AMR_NB) {
5607 /* We must find out how many AMR blocks there are in one packet */
5608 static const uint16_t packed_size[16] =
5609 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
5612 while (len < size && samples_in_chunk < 100) {
5613 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
5616 if (samples_in_chunk > 1) {
5617 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
5620 } else if (par->codec_id == AV_CODEC_ID_ADPCM_MS ||
5621 par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
5622 samples_in_chunk = trk->par->frame_size;
5623 } else if (trk->sample_size)
5624 samples_in_chunk = size / trk->sample_size;
5626 samples_in_chunk = 1;
5628 if (samples_in_chunk < 1) {
5629 av_log(s, AV_LOG_ERROR, "fatal error, input packet contains no samples\n");
5630 return AVERROR_PATCHWELCOME;
5633 /* copy extradata if it exists */
5634 if (trk->vos_len == 0 && par->extradata_size > 0 &&
5635 !TAG_IS_AVCI(trk->tag) &&
5636 (par->codec_id != AV_CODEC_ID_DNXHD)) {
5637 trk->vos_len = par->extradata_size;
5638 trk->vos_data = av_malloc(trk->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
5639 if (!trk->vos_data) {
5640 ret = AVERROR(ENOMEM);
5643 memcpy(trk->vos_data, par->extradata, trk->vos_len);
5644 memset(trk->vos_data + trk->vos_len, 0, AV_INPUT_BUFFER_PADDING_SIZE);
5647 if ((par->codec_id == AV_CODEC_ID_DNXHD ||
5648 par->codec_id == AV_CODEC_ID_H264 ||
5649 par->codec_id == AV_CODEC_ID_HEVC ||
5650 par->codec_id == AV_CODEC_ID_TRUEHD ||
5651 par->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len &&
5652 !TAG_IS_AVCI(trk->tag)) {
5653 /* copy frame to create needed atoms */
5654 trk->vos_len = size;
5655 trk->vos_data = av_malloc(size + AV_INPUT_BUFFER_PADDING_SIZE);
5656 if (!trk->vos_data) {
5657 ret = AVERROR(ENOMEM);
5660 memcpy(trk->vos_data, pkt->data, size);
5661 memset(trk->vos_data + size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
5664 if (par->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 &&
5665 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
5666 if (!s->streams[pkt->stream_index]->nb_frames) {
5667 av_log(s, AV_LOG_ERROR, "Malformed AAC bitstream detected: "
5668 "use the audio bitstream filter 'aac_adtstoasc' to fix it "
5669 "('-bsf:a aac_adtstoasc' option with ffmpeg)\n");
5672 av_log(s, AV_LOG_WARNING, "aac bitstream error\n");
5674 if (par->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1 && !TAG_IS_AVCI(trk->tag)) {
5675 /* from x264 or from bytestream H.264 */
5676 /* NAL reformatting needed */
5677 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5678 ret = ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
5682 avio_write(pb, reformatted_data, size);
5684 if (trk->cenc.aes_ctr) {
5685 size = ff_mov_cenc_avc_parse_nal_units(&trk->cenc, pb, pkt->data, size);
5691 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
5694 } else if (par->codec_id == AV_CODEC_ID_HEVC && trk->vos_len > 6 &&
5695 (AV_RB24(trk->vos_data) == 1 || AV_RB32(trk->vos_data) == 1)) {
5696 /* extradata is Annex B, assume the bitstream is too and convert it */
5697 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5698 ret = ff_hevc_annexb2mp4_buf(pkt->data, &reformatted_data,
5702 avio_write(pb, reformatted_data, size);
5704 size = ff_hevc_annexb2mp4(pb, pkt->data, pkt->size, 0, NULL);
5706 } else if (par->codec_id == AV_CODEC_ID_AV1) {
5707 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5708 ret = ff_av1_filter_obus_buf(pkt->data, &reformatted_data,
5712 avio_write(pb, reformatted_data, size);
5714 size = ff_av1_filter_obus(pb, pkt->data, pkt->size);
5716 #if CONFIG_AC3_PARSER
5717 } else if (par->codec_id == AV_CODEC_ID_EAC3) {
5718 size = handle_eac3(mov, pkt, trk);
5723 avio_write(pb, pkt->data, size);
5725 } else if (par->codec_id == AV_CODEC_ID_EIA_608) {
5728 for (int i = 0; i < pkt->size; i += 3) {
5729 if (pkt->data[i] == 0xFC) {
5733 avio_wb32(pb, size);
5734 ffio_wfourcc(pb, "cdat");
5735 for (int i = 0; i < pkt->size; i += 3) {
5736 if (pkt->data[i] == 0xFC) {
5737 avio_w8(pb, pkt->data[i + 1]);
5738 avio_w8(pb, pkt->data[i + 2]);
5742 if (trk->cenc.aes_ctr) {
5743 if (par->codec_id == AV_CODEC_ID_H264 && par->extradata_size > 4) {
5744 int nal_size_length = (par->extradata[4] & 0x3) + 1;
5745 ret = ff_mov_cenc_avc_write_nal_units(s, &trk->cenc, nal_size_length, pb, pkt->data, size);
5747 ret = ff_mov_cenc_write_packet(&trk->cenc, pb, pkt->data, size);
5754 avio_write(pb, pkt->data, size);
5758 if (trk->entry >= trk->cluster_capacity) {
5759 unsigned new_capacity = trk->entry + MOV_INDEX_CLUSTER_SIZE;
5760 void *cluster = av_realloc_array(trk->cluster, new_capacity, sizeof(*trk->cluster));
5762 ret = AVERROR(ENOMEM);
5765 trk->cluster = cluster;
5766 trk->cluster_capacity = new_capacity;
5769 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
5770 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
5771 trk->cluster[trk->entry].chunkNum = 0;
5772 trk->cluster[trk->entry].size = size;
5773 trk->cluster[trk->entry].entries = samples_in_chunk;
5774 trk->cluster[trk->entry].dts = pkt->dts;
5775 trk->cluster[trk->entry].pts = pkt->pts;
5776 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
5777 if (!trk->frag_discont) {
5778 /* First packet of a new fragment. We already wrote the duration
5779 * of the last packet of the previous fragment based on track_duration,
5780 * which might not exactly match our dts. Therefore adjust the dts
5781 * of this packet to be what the previous packets duration implies. */
5782 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
5783 /* We also may have written the pts and the corresponding duration
5784 * in sidx/tfrf/tfxd tags; make sure the sidx pts and duration match up with
5785 * the next fragment. This means the cts of the first sample must
5786 * be the same in all fragments, unless end_pts was updated by
5787 * the packet causing the fragment to be written. */
5788 if ((mov->flags & FF_MOV_FLAG_DASH &&
5789 !(mov->flags & (FF_MOV_FLAG_GLOBAL_SIDX | FF_MOV_FLAG_SKIP_SIDX))) ||
5790 mov->mode == MODE_ISM)
5791 pkt->pts = pkt->dts + trk->end_pts - trk->cluster[trk->entry].dts;
5793 /* New fragment, but discontinuous from previous fragments.
5794 * Pretend the duration sum of the earlier fragments is
5795 * pkt->dts - trk->start_dts. */
5796 trk->frag_start = pkt->dts - trk->start_dts;
5797 trk->end_pts = AV_NOPTS_VALUE;
5798 trk->frag_discont = 0;
5802 if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !mov->use_editlist &&
5803 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO) {
5804 /* Not using edit lists and shifting the first track to start from zero.
5805 * If the other streams start from a later timestamp, we won't be able
5806 * to signal the difference in starting time without an edit list.
5807 * Thus move the timestamp for this first sample to 0, increasing
5808 * its duration instead. */
5809 trk->cluster[trk->entry].dts = trk->start_dts = 0;
5811 if (trk->start_dts == AV_NOPTS_VALUE) {
5812 trk->start_dts = pkt->dts;
5813 if (trk->frag_discont) {
5814 if (mov->use_editlist) {
5815 /* Pretend the whole stream started at pts=0, with earlier fragments
5816 * already written. If the stream started at pts=0, the duration sum
5817 * of earlier fragments would have been pkt->pts. */
5818 trk->frag_start = pkt->pts;
5819 trk->start_dts = pkt->dts - pkt->pts;
5821 /* Pretend the whole stream started at dts=0, with earlier fragments
5822 * already written, with a duration summing up to pkt->dts. */
5823 trk->frag_start = pkt->dts;
5826 trk->frag_discont = 0;
5827 } else if (pkt->dts && mov->moov_written)
5828 av_log(s, AV_LOG_WARNING,
5829 "Track %d starts with a nonzero dts %"PRId64", while the moov "
5830 "already has been written. Set the delay_moov flag to handle "
5832 pkt->stream_index, pkt->dts);
5834 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
5835 trk->last_sample_is_subtitle_end = 0;
5837 if (pkt->pts == AV_NOPTS_VALUE) {
5838 av_log(s, AV_LOG_WARNING, "pts has no value\n");
5839 pkt->pts = pkt->dts;
5841 if (pkt->dts != pkt->pts)
5842 trk->flags |= MOV_TRACK_CTTS;
5843 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
5844 trk->cluster[trk->entry].flags = 0;
5845 if (trk->start_cts == AV_NOPTS_VALUE)
5846 trk->start_cts = pkt->pts - pkt->dts;
5847 if (trk->end_pts == AV_NOPTS_VALUE)
5848 trk->end_pts = trk->cluster[trk->entry].dts +
5849 trk->cluster[trk->entry].cts + pkt->duration;
5851 trk->end_pts = FFMAX(trk->end_pts, trk->cluster[trk->entry].dts +
5852 trk->cluster[trk->entry].cts +
5855 if (par->codec_id == AV_CODEC_ID_VC1) {
5856 mov_parse_vc1_frame(pkt, trk);
5857 } else if (par->codec_id == AV_CODEC_ID_TRUEHD) {
5858 mov_parse_truehd_frame(pkt, trk);
5859 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
5860 if (mov->mode == MODE_MOV && par->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
5861 trk->entry > 0) { // force sync sample for the first key frame
5862 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
5863 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
5864 trk->flags |= MOV_TRACK_STPS;
5866 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
5868 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
5869 trk->has_keyframes++;
5871 if (pkt->flags & AV_PKT_FLAG_DISPOSABLE) {
5872 trk->cluster[trk->entry].flags |= MOV_DISPOSABLE_SAMPLE;
5873 trk->has_disposable++;
5876 prft = (AVProducerReferenceTime *)av_packet_get_side_data(pkt, AV_PKT_DATA_PRFT, &prft_size);
5877 if (prft && prft_size == sizeof(AVProducerReferenceTime))
5878 memcpy(&trk->cluster[trk->entry].prft, prft, prft_size);
5880 memset(&trk->cluster[trk->entry].prft, 0, sizeof(AVProducerReferenceTime));
5883 trk->sample_count += samples_in_chunk;
5884 mov->mdat_size += size;
5886 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
5887 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
5888 reformatted_data ? reformatted_data + offset
5894 if (pkt->data != reformatted_data)
5895 av_free(reformatted_data);
5899 static int mov_write_single_packet(AVFormatContext *s, AVPacket *pkt)
5901 MOVMuxContext *mov = s->priv_data;
5902 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5903 AVCodecParameters *par = trk->par;
5904 int64_t frag_duration = 0;
5905 int size = pkt->size;
5907 int ret = check_pkt(s, pkt);
5911 if (mov->flags & FF_MOV_FLAG_FRAG_DISCONT) {
5913 for (i = 0; i < s->nb_streams; i++)
5914 mov->tracks[i].frag_discont = 1;
5915 mov->flags &= ~FF_MOV_FLAG_FRAG_DISCONT;
5918 if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS) {
5919 if (trk->dts_shift == AV_NOPTS_VALUE)
5920 trk->dts_shift = pkt->pts - pkt->dts;
5921 pkt->dts += trk->dts_shift;
5924 if (trk->par->codec_id == AV_CODEC_ID_MP4ALS ||
5925 trk->par->codec_id == AV_CODEC_ID_AAC ||
5926 trk->par->codec_id == AV_CODEC_ID_AV1 ||
5927 trk->par->codec_id == AV_CODEC_ID_FLAC) {
5928 buffer_size_t side_size;
5929 uint8_t *side = av_packet_get_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA, &side_size);
5930 if (side && side_size > 0 && (side_size != par->extradata_size || memcmp(side, par->extradata, side_size))) {
5931 void *newextra = av_mallocz(side_size + AV_INPUT_BUFFER_PADDING_SIZE);
5933 return AVERROR(ENOMEM);
5934 av_free(par->extradata);
5935 par->extradata = newextra;
5936 memcpy(par->extradata, side, side_size);
5937 par->extradata_size = side_size;
5938 if (!pkt->size) // Flush packet
5939 mov->need_rewrite_extradata = 1;
5944 if (trk->start_dts == AV_NOPTS_VALUE && trk->frag_discont) {
5945 trk->start_dts = pkt->dts;
5946 if (pkt->pts != AV_NOPTS_VALUE)
5947 trk->start_cts = pkt->pts - pkt->dts;
5952 return 0; /* Discard 0 sized packets */
5955 if (trk->entry && pkt->stream_index < s->nb_streams)
5956 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
5957 s->streams[pkt->stream_index]->time_base,
5959 if ((mov->max_fragment_duration &&
5960 frag_duration >= mov->max_fragment_duration) ||
5961 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
5962 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
5963 par->codec_type == AVMEDIA_TYPE_VIDEO &&
5964 trk->entry && pkt->flags & AV_PKT_FLAG_KEY) ||
5965 (mov->flags & FF_MOV_FLAG_FRAG_EVERY_FRAME)) {
5966 if (frag_duration >= mov->min_fragment_duration) {
5967 // Set the duration of this track to line up with the next
5968 // sample in this track. This avoids relying on AVPacket
5969 // duration, but only helps for this particular track, not
5970 // for the other ones that are flushed at the same time.
5971 trk->track_duration = pkt->dts - trk->start_dts;
5972 if (pkt->pts != AV_NOPTS_VALUE)
5973 trk->end_pts = pkt->pts;
5975 trk->end_pts = pkt->dts;
5976 trk->end_reliable = 1;
5977 mov_auto_flush_fragment(s, 0);
5981 return ff_mov_write_packet(s, pkt);
5984 static int mov_write_subtitle_end_packet(AVFormatContext *s,
5987 MOVMuxContext *mov = s->priv_data;
5988 AVPacket *end = mov->pkt;
5989 uint8_t data[2] = {0};
5992 end->size = sizeof(data);
5997 end->stream_index = stream_index;
5999 ret = mov_write_single_packet(s, end);
6000 av_packet_unref(end);
6005 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
6007 MOVMuxContext *mov = s->priv_data;
6011 mov_flush_fragment(s, 1);
6015 trk = &mov->tracks[pkt->stream_index];
6017 if (is_cover_image(trk->st)) {
6020 if (trk->st->nb_frames >= 1) {
6021 if (trk->st->nb_frames == 1)
6022 av_log(s, AV_LOG_WARNING, "Got more than one picture in stream %d,"
6023 " ignoring.\n", pkt->stream_index);
6027 if ((ret = av_packet_ref(trk->cover_image, pkt)) < 0)
6035 return mov_write_single_packet(s, pkt); /* Passthrough. */
6038 * Subtitles require special handling.
6040 * 1) For full complaince, every track must have a sample at
6041 * dts == 0, which is rarely true for subtitles. So, as soon
6042 * as we see any packet with dts > 0, write an empty subtitle
6043 * at dts == 0 for any subtitle track with no samples in it.
6045 * 2) For each subtitle track, check if the current packet's
6046 * dts is past the duration of the last subtitle sample. If
6047 * so, we now need to write an end sample for that subtitle.
6049 * This must be done conditionally to allow for subtitles that
6050 * immediately replace each other, in which case an end sample
6051 * is not needed, and is, in fact, actively harmful.
6053 * 3) See mov_write_trailer for how the final end sample is
6056 for (i = 0; i < mov->nb_streams; i++) {
6057 MOVTrack *trk = &mov->tracks[i];
6060 if (trk->par->codec_id == AV_CODEC_ID_MOV_TEXT &&
6061 trk->track_duration < pkt->dts &&
6062 (trk->entry == 0 || !trk->last_sample_is_subtitle_end)) {
6063 ret = mov_write_subtitle_end_packet(s, i, trk->track_duration);
6064 if (ret < 0) return ret;
6065 trk->last_sample_is_subtitle_end = 1;
6069 if (trk->mode == MODE_MOV && trk->par->codec_type == AVMEDIA_TYPE_VIDEO) {
6070 AVPacket *opkt = pkt;
6071 int reshuffle_ret, ret;
6072 if (trk->is_unaligned_qt_rgb) {
6073 int64_t bpc = trk->par->bits_per_coded_sample != 15 ? trk->par->bits_per_coded_sample : 16;
6074 int expected_stride = ((trk->par->width * bpc + 15) >> 4)*2;
6075 reshuffle_ret = ff_reshuffle_raw_rgb(s, &pkt, trk->par, expected_stride);
6076 if (reshuffle_ret < 0)
6077 return reshuffle_ret;
6080 if (trk->par->format == AV_PIX_FMT_PAL8 && !trk->pal_done) {
6081 ret = ff_get_packet_palette(s, opkt, reshuffle_ret, trk->palette);
6086 } else if (trk->par->codec_id == AV_CODEC_ID_RAWVIDEO &&
6087 (trk->par->format == AV_PIX_FMT_GRAY8 ||
6088 trk->par->format == AV_PIX_FMT_MONOBLACK)) {
6089 for (i = 0; i < pkt->size; i++)
6090 pkt->data[i] = ~pkt->data[i];
6092 if (reshuffle_ret) {
6093 ret = mov_write_single_packet(s, pkt);
6096 av_packet_free(&pkt);
6101 return mov_write_single_packet(s, pkt);
6105 // QuickTime chapters involve an additional text track with the chapter names
6106 // as samples, and a tref pointing from the other tracks to the chapter one.
6107 static int mov_create_chapter_track(AVFormatContext *s, int tracknum)
6111 MOVMuxContext *mov = s->priv_data;
6112 MOVTrack *track = &mov->tracks[tracknum];
6113 AVPacket *pkt = mov->pkt;
6116 track->mode = mov->mode;
6117 track->tag = MKTAG('t','e','x','t');
6118 track->timescale = MOV_TIMESCALE;
6119 track->par = avcodec_parameters_alloc();
6121 return AVERROR(ENOMEM);
6122 track->par->codec_type = AVMEDIA_TYPE_SUBTITLE;
6124 // These properties are required to make QT recognize the chapter track
6125 uint8_t chapter_properties[43] = { 0, 0, 0, 0, 0, 0, 0, 1, };
6126 if (ff_alloc_extradata(track->par, sizeof(chapter_properties)))
6127 return AVERROR(ENOMEM);
6128 memcpy(track->par->extradata, chapter_properties, sizeof(chapter_properties));
6130 if (avio_open_dyn_buf(&pb) >= 0) {
6134 /* Stub header (usually for Quicktime chapter track) */
6136 avio_wb32(pb, 0x01); // displayFlags
6137 avio_w8(pb, 0x00); // horizontal justification
6138 avio_w8(pb, 0x00); // vertical justification
6139 avio_w8(pb, 0x00); // bgColourRed
6140 avio_w8(pb, 0x00); // bgColourGreen
6141 avio_w8(pb, 0x00); // bgColourBlue
6142 avio_w8(pb, 0x00); // bgColourAlpha
6144 avio_wb16(pb, 0x00); // defTextBoxTop
6145 avio_wb16(pb, 0x00); // defTextBoxLeft
6146 avio_wb16(pb, 0x00); // defTextBoxBottom
6147 avio_wb16(pb, 0x00); // defTextBoxRight
6149 avio_wb16(pb, 0x00); // startChar
6150 avio_wb16(pb, 0x00); // endChar
6151 avio_wb16(pb, 0x01); // fontID
6152 avio_w8(pb, 0x00); // fontStyleFlags
6153 avio_w8(pb, 0x00); // fontSize
6154 avio_w8(pb, 0x00); // fgColourRed
6155 avio_w8(pb, 0x00); // fgColourGreen
6156 avio_w8(pb, 0x00); // fgColourBlue
6157 avio_w8(pb, 0x00); // fgColourAlpha
6159 avio_wb32(pb, 0x0D); // box size
6160 ffio_wfourcc(pb, "ftab"); // box atom name
6161 avio_wb16(pb, 0x01); // entry count
6163 avio_wb16(pb, 0x01); // font ID
6164 avio_w8(pb, 0x00); // font name length
6166 if ((size = avio_close_dyn_buf(pb, &buf)) > 0) {
6167 track->par->extradata = buf;
6168 track->par->extradata_size = size;
6175 pkt->stream_index = tracknum;
6176 pkt->flags = AV_PKT_FLAG_KEY;
6178 for (i = 0; i < s->nb_chapters; i++) {
6179 AVChapter *c = s->chapters[i];
6180 AVDictionaryEntry *t;
6182 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
6183 pkt->pts = pkt->dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
6184 pkt->duration = end - pkt->dts;
6186 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
6187 static const char encd[12] = {
6188 0x00, 0x00, 0x00, 0x0C,
6190 0x00, 0x00, 0x01, 0x00 };
6191 len = strlen(t->value);
6192 pkt->size = len + 2 + 12;
6193 pkt->data = av_malloc(pkt->size);
6195 av_packet_unref(pkt);
6196 return AVERROR(ENOMEM);
6198 AV_WB16(pkt->data, len);
6199 memcpy(pkt->data + 2, t->value, len);
6200 memcpy(pkt->data + len + 2, encd, sizeof(encd));
6201 ff_mov_write_packet(s, pkt);
6202 av_freep(&pkt->data);
6206 av_packet_unref(mov->pkt);
6212 static int mov_check_timecode_track(AVFormatContext *s, AVTimecode *tc, int src_index, const char *tcstr)
6216 /* compute the frame number */
6217 ret = av_timecode_init_from_string(tc, find_fps(s, s->streams[src_index]), tcstr, s);
6221 static int mov_create_timecode_track(AVFormatContext *s, int index, int src_index, AVTimecode tc)
6223 MOVMuxContext *mov = s->priv_data;
6224 MOVTrack *track = &mov->tracks[index];
6225 AVStream *src_st = s->streams[src_index];
6227 AVPacket *pkt = mov->pkt;
6228 AVRational rate = find_fps(s, src_st);
6231 /* tmcd track based on video stream */
6232 track->mode = mov->mode;
6233 track->tag = MKTAG('t','m','c','d');
6234 track->src_track = src_index;
6235 track->timescale = mov->tracks[src_index].timescale;
6236 if (tc.flags & AV_TIMECODE_FLAG_DROPFRAME)
6237 track->timecode_flags |= MOV_TIMECODE_FLAG_DROPFRAME;
6239 /* set st to src_st for metadata access*/
6242 /* encode context: tmcd data stream */
6243 track->par = avcodec_parameters_alloc();
6245 return AVERROR(ENOMEM);
6246 track->par->codec_type = AVMEDIA_TYPE_DATA;
6247 track->par->codec_tag = track->tag;
6248 track->st->avg_frame_rate = rate;
6250 /* the tmcd track just contains one packet with the frame number */
6252 pkt->stream_index = index;
6253 pkt->flags = AV_PKT_FLAG_KEY;
6255 AV_WB32(pkt->data, tc.start);
6256 ret = ff_mov_write_packet(s, pkt);
6257 av_packet_unref(pkt);
6262 * st->disposition controls the "enabled" flag in the tkhd tag.
6263 * QuickTime will not play a track if it is not enabled. So make sure
6264 * that one track of each type (audio, video, subtitle) is enabled.
6266 * Subtitles are special. For audio and video, setting "enabled" also
6267 * makes the track "default" (i.e. it is rendered when played). For
6268 * subtitles, an "enabled" subtitle is not rendered by default, but
6269 * if no subtitle is enabled, the subtitle menu in QuickTime will be
6272 static void enable_tracks(AVFormatContext *s)
6274 MOVMuxContext *mov = s->priv_data;
6276 int enabled[AVMEDIA_TYPE_NB];
6277 int first[AVMEDIA_TYPE_NB];
6279 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
6284 for (i = 0; i < s->nb_streams; i++) {
6285 AVStream *st = s->streams[i];
6287 if (st->codecpar->codec_type <= AVMEDIA_TYPE_UNKNOWN ||
6288 st->codecpar->codec_type >= AVMEDIA_TYPE_NB ||
6292 if (first[st->codecpar->codec_type] < 0)
6293 first[st->codecpar->codec_type] = i;
6294 if (st->disposition & AV_DISPOSITION_DEFAULT) {
6295 mov->tracks[i].flags |= MOV_TRACK_ENABLED;
6296 enabled[st->codecpar->codec_type]++;
6300 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
6302 case AVMEDIA_TYPE_VIDEO:
6303 case AVMEDIA_TYPE_AUDIO:
6304 case AVMEDIA_TYPE_SUBTITLE:
6306 mov->per_stream_grouping = 1;
6307 if (!enabled[i] && first[i] >= 0)
6308 mov->tracks[first[i]].flags |= MOV_TRACK_ENABLED;
6314 static void mov_free(AVFormatContext *s)
6316 MOVMuxContext *mov = s->priv_data;
6319 av_packet_free(&mov->pkt);
6324 if (mov->chapter_track) {
6325 avcodec_parameters_free(&mov->tracks[mov->chapter_track].par);
6328 for (i = 0; i < mov->nb_streams; i++) {
6329 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
6330 ff_mov_close_hinting(&mov->tracks[i]);
6331 else if (mov->tracks[i].tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd)
6332 av_freep(&mov->tracks[i].par);
6333 av_freep(&mov->tracks[i].cluster);
6334 av_freep(&mov->tracks[i].frag_info);
6335 av_packet_free(&mov->tracks[i].cover_image);
6337 if (mov->tracks[i].eac3_priv) {
6338 struct eac3_info *info = mov->tracks[i].eac3_priv;
6339 av_packet_free(&info->pkt);
6340 av_freep(&mov->tracks[i].eac3_priv);
6342 if (mov->tracks[i].vos_len)
6343 av_freep(&mov->tracks[i].vos_data);
6345 ff_mov_cenc_free(&mov->tracks[i].cenc);
6346 ffio_free_dyn_buf(&mov->tracks[i].mdat_buf);
6349 av_freep(&mov->tracks);
6350 ffio_free_dyn_buf(&mov->mdat_buf);
6353 static uint32_t rgb_to_yuv(uint32_t rgb)
6358 r = (rgb >> 16) & 0xFF;
6359 g = (rgb >> 8) & 0xFF;
6362 y = av_clip_uint8(( 16000 + 257 * r + 504 * g + 98 * b)/1000);
6363 cb = av_clip_uint8((128000 - 148 * r - 291 * g + 439 * b)/1000);
6364 cr = av_clip_uint8((128000 + 439 * r - 368 * g - 71 * b)/1000);
6366 return (y << 16) | (cr << 8) | cb;
6369 static int mov_create_dvd_sub_decoder_specific_info(MOVTrack *track,
6372 int i, width = 720, height = 480;
6373 int have_palette = 0, have_size = 0;
6374 uint32_t palette[16];
6375 char *cur = st->codecpar->extradata;
6377 while (cur && *cur) {
6378 if (strncmp("palette:", cur, 8) == 0) {
6380 count = sscanf(cur + 8,
6381 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
6382 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
6383 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
6384 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32"",
6385 &palette[ 0], &palette[ 1], &palette[ 2], &palette[ 3],
6386 &palette[ 4], &palette[ 5], &palette[ 6], &palette[ 7],
6387 &palette[ 8], &palette[ 9], &palette[10], &palette[11],
6388 &palette[12], &palette[13], &palette[14], &palette[15]);
6390 for (i = 0; i < count; i++) {
6391 palette[i] = rgb_to_yuv(palette[i]);
6394 } else if (!strncmp("size:", cur, 5)) {
6395 sscanf(cur + 5, "%dx%d", &width, &height);
6398 if (have_palette && have_size)
6400 cur += strcspn(cur, "\n\r");
6401 cur += strspn(cur, "\n\r");
6404 track->vos_data = av_malloc(16*4 + AV_INPUT_BUFFER_PADDING_SIZE);
6405 if (!track->vos_data)
6406 return AVERROR(ENOMEM);
6407 for (i = 0; i < 16; i++) {
6408 AV_WB32(track->vos_data + i * 4, palette[i]);
6410 memset(track->vos_data + 16*4, 0, AV_INPUT_BUFFER_PADDING_SIZE);
6411 track->vos_len = 16 * 4;
6413 st->codecpar->width = width;
6414 st->codecpar->height = track->height = height;
6419 static int mov_init(AVFormatContext *s)
6421 MOVMuxContext *mov = s->priv_data;
6426 /* Default mode == MP4 */
6427 mov->mode = MODE_MP4;
6429 #define IS_MODE(muxer, config) (CONFIG_ ## config ## _MUXER && !strcmp(#muxer, s->oformat->name))
6430 if (IS_MODE(3gp, TGP)) mov->mode = MODE_3GP;
6431 else if (IS_MODE(3g2, TG2)) mov->mode = MODE_3GP|MODE_3G2;
6432 else if (IS_MODE(mov, MOV)) mov->mode = MODE_MOV;
6433 else if (IS_MODE(psp, PSP)) mov->mode = MODE_PSP;
6434 else if (IS_MODE(ipod, IPOD)) mov->mode = MODE_IPOD;
6435 else if (IS_MODE(ismv, ISMV)) mov->mode = MODE_ISM;
6436 else if (IS_MODE(f4v, F4V)) mov->mode = MODE_F4V;
6439 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
6440 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV;
6442 /* Set the FRAGMENT flag if any of the fragmentation methods are
6444 if (mov->max_fragment_duration || mov->max_fragment_size ||
6445 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
6446 FF_MOV_FLAG_FRAG_KEYFRAME |
6447 FF_MOV_FLAG_FRAG_CUSTOM |
6448 FF_MOV_FLAG_FRAG_EVERY_FRAME))
6449 mov->flags |= FF_MOV_FLAG_FRAGMENT;
6451 /* Set other implicit flags immediately */
6452 if (mov->mode == MODE_ISM)
6453 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
6454 FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS;
6455 if (mov->flags & FF_MOV_FLAG_DASH)
6456 mov->flags |= FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_EMPTY_MOOV |
6457 FF_MOV_FLAG_DEFAULT_BASE_MOOF;
6458 if (mov->flags & FF_MOV_FLAG_CMAF)
6459 mov->flags |= FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_EMPTY_MOOV |
6460 FF_MOV_FLAG_DEFAULT_BASE_MOOF | FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS;
6462 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV && s->flags & AVFMT_FLAG_AUTO_BSF) {
6463 av_log(s, AV_LOG_VERBOSE, "Empty MOOV enabled; disabling automatic bitstream filtering\n");
6464 s->flags &= ~AVFMT_FLAG_AUTO_BSF;
6467 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX && mov->flags & FF_MOV_FLAG_SKIP_SIDX) {
6468 av_log(s, AV_LOG_WARNING, "Global SIDX enabled; Ignoring skip_sidx option\n");
6469 mov->flags &= ~FF_MOV_FLAG_SKIP_SIDX;
6472 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
6473 mov->reserved_moov_size = -1;
6476 if (mov->use_editlist < 0) {
6477 mov->use_editlist = 1;
6478 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
6479 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6480 // If we can avoid needing an edit list by shifting the
6481 // tracks, prefer that over (trying to) write edit lists
6482 // in fragmented output.
6483 if (s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO ||
6484 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO)
6485 mov->use_editlist = 0;
6487 if (mov->flags & FF_MOV_FLAG_CMAF) {
6488 // CMAF Track requires negative cts offsets without edit lists
6489 mov->use_editlist = 0;
6492 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
6493 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV) && mov->use_editlist)
6494 av_log(s, AV_LOG_WARNING, "No meaningful edit list will be written when using empty_moov without delay_moov\n");
6496 if (mov->flags & FF_MOV_FLAG_CMAF && mov->use_editlist) {
6497 av_log(s, AV_LOG_WARNING, "Edit list enabled; Assuming writing CMAF Track File\n");
6498 mov->flags &= ~FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS;
6500 if (!mov->use_editlist && s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO &&
6501 !(mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS))
6502 s->avoid_negative_ts = AVFMT_AVOID_NEG_TS_MAKE_ZERO;
6504 /* Clear the omit_tfhd_offset flag if default_base_moof is set;
6505 * if the latter is set that's enough and omit_tfhd_offset doesn't
6506 * add anything extra on top of that. */
6507 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
6508 mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
6509 mov->flags &= ~FF_MOV_FLAG_OMIT_TFHD_OFFSET;
6511 if (mov->frag_interleave &&
6512 mov->flags & (FF_MOV_FLAG_OMIT_TFHD_OFFSET | FF_MOV_FLAG_SEPARATE_MOOF)) {
6513 av_log(s, AV_LOG_ERROR,
6514 "Sample interleaving in fragments is mutually exclusive with "
6515 "omit_tfhd_offset and separate_moof\n");
6516 return AVERROR(EINVAL);
6519 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
6520 * is enabled, we don't support non-seekable output at all. */
6521 if (!(s->pb->seekable & AVIO_SEEKABLE_NORMAL) &&
6522 (!(mov->flags & FF_MOV_FLAG_FRAGMENT) || mov->ism_lookahead)) {
6523 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
6524 return AVERROR(EINVAL);
6527 mov->nb_streams = s->nb_streams;
6528 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
6529 mov->chapter_track = mov->nb_streams++;
6531 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6532 for (i = 0; i < s->nb_streams; i++)
6533 if (rtp_hinting_needed(s->streams[i]))
6537 if ( mov->write_tmcd == -1 && (mov->mode == MODE_MOV || mov->mode == MODE_MP4)
6538 || mov->write_tmcd == 1) {
6539 AVDictionaryEntry *global_tcr = av_dict_get(s->metadata, "timecode",
6542 /* +1 tmcd track for each video stream with a timecode */
6543 for (i = 0; i < s->nb_streams; i++) {
6544 AVStream *st = s->streams[i];
6545 AVDictionaryEntry *t = global_tcr;
6546 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO &&
6547 (t || (t=av_dict_get(st->metadata, "timecode", NULL, 0)))) {
6549 ret = mov_check_timecode_track(s, &tc, i, t->value);
6551 mov->nb_meta_tmcd++;
6555 /* check if there is already a tmcd track to remux */
6556 if (mov->nb_meta_tmcd) {
6557 for (i = 0; i < s->nb_streams; i++) {
6558 AVStream *st = s->streams[i];
6559 if (st->codecpar->codec_tag == MKTAG('t','m','c','d')) {
6560 av_log(s, AV_LOG_WARNING, "You requested a copy of the original timecode track "
6561 "so timecode metadata are now ignored\n");
6562 mov->nb_meta_tmcd = 0;
6567 mov->nb_streams += mov->nb_meta_tmcd;
6570 mov->pkt = av_packet_alloc();
6572 return AVERROR(ENOMEM);
6574 // Reserve an extra stream for chapters for the case where chapters
6575 // are written in the trailer
6576 mov->tracks = av_mallocz_array((mov->nb_streams + 1), sizeof(*mov->tracks));
6578 return AVERROR(ENOMEM);
6580 if (mov->encryption_scheme_str != NULL && strcmp(mov->encryption_scheme_str, "none") != 0) {
6581 if (strcmp(mov->encryption_scheme_str, "cenc-aes-ctr") == 0) {
6582 mov->encryption_scheme = MOV_ENC_CENC_AES_CTR;
6584 if (mov->encryption_key_len != AES_CTR_KEY_SIZE) {
6585 av_log(s, AV_LOG_ERROR, "Invalid encryption key len %d expected %d\n",
6586 mov->encryption_key_len, AES_CTR_KEY_SIZE);
6587 return AVERROR(EINVAL);
6590 if (mov->encryption_kid_len != CENC_KID_SIZE) {
6591 av_log(s, AV_LOG_ERROR, "Invalid encryption kid len %d expected %d\n",
6592 mov->encryption_kid_len, CENC_KID_SIZE);
6593 return AVERROR(EINVAL);
6596 av_log(s, AV_LOG_ERROR, "unsupported encryption scheme %s\n",
6597 mov->encryption_scheme_str);
6598 return AVERROR(EINVAL);
6602 for (i = 0; i < s->nb_streams; i++) {
6603 AVStream *st= s->streams[i];
6604 MOVTrack *track= &mov->tracks[i];
6605 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
6608 track->par = st->codecpar;
6609 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
6610 if (track->language < 0)
6611 track->language = 32767; // Unspecified Macintosh language code
6612 track->mode = mov->mode;
6613 track->tag = mov_find_codec_tag(s, track);
6615 av_log(s, AV_LOG_ERROR, "Could not find tag for codec %s in stream #%d, "
6616 "codec not currently supported in container\n",
6617 avcodec_get_name(st->codecpar->codec_id), i);
6618 return AVERROR(EINVAL);
6620 /* If hinting of this track is enabled by a later hint track,
6621 * this is updated. */
6622 track->hint_track = -1;
6623 track->start_dts = AV_NOPTS_VALUE;
6624 track->start_cts = AV_NOPTS_VALUE;
6625 track->end_pts = AV_NOPTS_VALUE;
6626 track->dts_shift = AV_NOPTS_VALUE;
6627 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
6628 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
6629 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
6630 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
6631 if (st->codecpar->width != 720 || (st->codecpar->height != 608 && st->codecpar->height != 512)) {
6632 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
6633 return AVERROR(EINVAL);
6635 track->height = track->tag >> 24 == 'n' ? 486 : 576;
6637 if (mov->video_track_timescale) {
6638 track->timescale = mov->video_track_timescale;
6639 if (mov->mode == MODE_ISM && mov->video_track_timescale != 10000000)
6640 av_log(s, AV_LOG_WARNING, "Warning: some tools, like mp4split, assume a timescale of 10000000 for ISMV.\n");
6642 track->timescale = st->time_base.den;
6643 while(track->timescale < 10000)
6644 track->timescale *= 2;
6646 if (st->codecpar->width > 65535 || st->codecpar->height > 65535) {
6647 av_log(s, AV_LOG_ERROR, "Resolution %dx%d too large for mov/mp4\n", st->codecpar->width, st->codecpar->height);
6648 return AVERROR(EINVAL);
6650 if (track->mode == MODE_MOV && track->timescale > 100000)
6651 av_log(s, AV_LOG_WARNING,
6652 "WARNING codec timebase is very high. If duration is too long,\n"
6653 "file may not be playable by quicktime. Specify a shorter timebase\n"
6654 "or choose different container.\n");
6655 if (track->mode == MODE_MOV &&
6656 track->par->codec_id == AV_CODEC_ID_RAWVIDEO &&
6657 track->tag == MKTAG('r','a','w',' ')) {
6658 enum AVPixelFormat pix_fmt = track->par->format;
6659 if (pix_fmt == AV_PIX_FMT_NONE && track->par->bits_per_coded_sample == 1)
6660 pix_fmt = AV_PIX_FMT_MONOWHITE;
6661 track->is_unaligned_qt_rgb =
6662 pix_fmt == AV_PIX_FMT_RGB24 ||
6663 pix_fmt == AV_PIX_FMT_BGR24 ||
6664 pix_fmt == AV_PIX_FMT_PAL8 ||
6665 pix_fmt == AV_PIX_FMT_GRAY8 ||
6666 pix_fmt == AV_PIX_FMT_MONOWHITE ||
6667 pix_fmt == AV_PIX_FMT_MONOBLACK;
6669 if (track->par->codec_id == AV_CODEC_ID_VP9 ||
6670 track->par->codec_id == AV_CODEC_ID_AV1) {
6671 if (track->mode != MODE_MP4) {
6672 av_log(s, AV_LOG_ERROR, "%s only supported in MP4.\n", avcodec_get_name(track->par->codec_id));
6673 return AVERROR(EINVAL);
6675 } else if (track->par->codec_id == AV_CODEC_ID_VP8) {
6676 /* altref frames handling is not defined in the spec as of version v1.0,
6677 * so just forbid muxing VP8 streams altogether until a new version does */
6678 av_log(s, AV_LOG_ERROR, "VP8 muxing is currently not supported.\n");
6679 return AVERROR_PATCHWELCOME;
6681 if (is_cover_image(st)) {
6682 track->cover_image = av_packet_alloc();
6683 if (!track->cover_image)
6684 return AVERROR(ENOMEM);
6686 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
6687 track->timescale = st->codecpar->sample_rate;
6688 if (!st->codecpar->frame_size && !av_get_bits_per_sample(st->codecpar->codec_id)) {
6689 av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i);
6690 track->audio_vbr = 1;
6691 }else if (st->codecpar->codec_id == AV_CODEC_ID_ADPCM_MS ||
6692 st->codecpar->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
6693 st->codecpar->codec_id == AV_CODEC_ID_ILBC){
6694 if (!st->codecpar->block_align) {
6695 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
6696 return AVERROR(EINVAL);
6698 track->sample_size = st->codecpar->block_align;
6699 }else if (st->codecpar->frame_size > 1){ /* assume compressed audio */
6700 track->audio_vbr = 1;
6702 track->sample_size = (av_get_bits_per_sample(st->codecpar->codec_id) >> 3) * st->codecpar->channels;
6704 if (st->codecpar->codec_id == AV_CODEC_ID_ILBC ||
6705 st->codecpar->codec_id == AV_CODEC_ID_ADPCM_IMA_QT) {
6706 track->audio_vbr = 1;
6708 if (track->mode != MODE_MOV &&
6709 track->par->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
6710 if (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL) {
6711 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not standard, to mux anyway set strict to -1\n",
6712 i, track->par->sample_rate);
6713 return AVERROR(EINVAL);
6715 av_log(s, AV_LOG_WARNING, "track %d: muxing mp3 at %dhz is not standard in MP4\n",
6716 i, track->par->sample_rate);
6719 if (track->par->codec_id == AV_CODEC_ID_FLAC ||
6720 track->par->codec_id == AV_CODEC_ID_TRUEHD ||
6721 track->par->codec_id == AV_CODEC_ID_OPUS) {
6722 if (track->mode != MODE_MP4) {
6723 av_log(s, AV_LOG_ERROR, "%s only supported in MP4.\n", avcodec_get_name(track->par->codec_id));
6724 return AVERROR(EINVAL);
6726 if (track->par->codec_id != AV_CODEC_ID_OPUS &&
6727 s->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
6728 av_log(s, AV_LOG_ERROR,
6729 "%s in MP4 support is experimental, add "
6730 "'-strict %d' if you want to use it.\n",
6731 avcodec_get_name(track->par->codec_id), FF_COMPLIANCE_EXPERIMENTAL);
6732 return AVERROR_EXPERIMENTAL;
6735 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) {
6736 track->timescale = st->time_base.den;
6737 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_DATA) {
6738 track->timescale = st->time_base.den;
6740 track->timescale = MOV_TIMESCALE;
6743 track->height = st->codecpar->height;
6744 /* The Protected Interoperable File Format (PIFF) standard, used by ISMV recommends but
6745 doesn't mandate a track timescale of 10,000,000. The muxer allows a custom timescale
6746 for video tracks, so if user-set, it isn't overwritten */
6747 if (mov->mode == MODE_ISM &&
6748 (st->codecpar->codec_type != AVMEDIA_TYPE_VIDEO ||
6749 (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO && !mov->video_track_timescale))) {
6750 track->timescale = 10000000;
6753 avpriv_set_pts_info(st, 64, 1, track->timescale);
6755 if (mov->encryption_scheme == MOV_ENC_CENC_AES_CTR) {
6756 ret = ff_mov_cenc_init(&track->cenc, mov->encryption_key,
6757 track->par->codec_id == AV_CODEC_ID_H264, s->flags & AVFMT_FLAG_BITEXACT);
6767 static int mov_write_header(AVFormatContext *s)
6769 AVIOContext *pb = s->pb;
6770 MOVMuxContext *mov = s->priv_data;
6771 int i, ret, hint_track = 0, tmcd_track = 0, nb_tracks = s->nb_streams;
6773 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
6776 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6777 hint_track = nb_tracks;
6778 for (i = 0; i < s->nb_streams; i++)
6779 if (rtp_hinting_needed(s->streams[i]))
6783 if (mov->nb_meta_tmcd)
6784 tmcd_track = nb_tracks;
6786 for (i = 0; i < s->nb_streams; i++) {
6788 AVStream *st= s->streams[i];
6789 MOVTrack *track= &mov->tracks[i];
6791 /* copy extradata if it exists */
6792 if (st->codecpar->extradata_size) {
6793 if (st->codecpar->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
6794 mov_create_dvd_sub_decoder_specific_info(track, st);
6795 else if (!TAG_IS_AVCI(track->tag) && st->codecpar->codec_id != AV_CODEC_ID_DNXHD) {
6796 track->vos_len = st->codecpar->extradata_size;
6797 track->vos_data = av_malloc(track->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
6798 if (!track->vos_data) {
6799 return AVERROR(ENOMEM);
6801 memcpy(track->vos_data, st->codecpar->extradata, track->vos_len);
6802 memset(track->vos_data + track->vos_len, 0, AV_INPUT_BUFFER_PADDING_SIZE);
6806 if (st->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ||
6807 track->par->channel_layout != AV_CH_LAYOUT_MONO)
6810 for (j = 0; j < s->nb_streams; j++) {
6811 AVStream *stj= s->streams[j];
6812 MOVTrack *trackj= &mov->tracks[j];
6816 if (stj->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ||
6817 trackj->par->channel_layout != AV_CH_LAYOUT_MONO ||
6818 trackj->language != track->language ||
6819 trackj->tag != track->tag
6822 track->multichannel_as_mono++;
6826 if (!(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6827 if ((ret = mov_write_identification(pb, s)) < 0)
6831 if (mov->reserved_moov_size){
6832 mov->reserved_header_pos = avio_tell(pb);
6833 if (mov->reserved_moov_size > 0)
6834 avio_skip(pb, mov->reserved_moov_size);
6837 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
6838 /* If no fragmentation options have been set, set a default. */
6839 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
6840 FF_MOV_FLAG_FRAG_CUSTOM |
6841 FF_MOV_FLAG_FRAG_EVERY_FRAME)) &&
6842 !mov->max_fragment_duration && !mov->max_fragment_size)
6843 mov->flags |= FF_MOV_FLAG_FRAG_KEYFRAME;
6845 if (mov->flags & FF_MOV_FLAG_FASTSTART)
6846 mov->reserved_header_pos = avio_tell(pb);
6847 mov_write_mdat_tag(pb, mov);
6850 ff_parse_creation_time_metadata(s, &mov->time, 1);
6852 mov->time += 0x7C25B080; // 1970 based -> 1904 based
6854 if (mov->chapter_track)
6855 if ((ret = mov_create_chapter_track(s, mov->chapter_track)) < 0)
6858 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6859 for (i = 0; i < s->nb_streams; i++) {
6860 if (rtp_hinting_needed(s->streams[i])) {
6861 if ((ret = ff_mov_init_hinting(s, hint_track, i)) < 0)
6868 if (mov->nb_meta_tmcd) {
6869 const AVDictionaryEntry *t, *global_tcr = av_dict_get(s->metadata,
6870 "timecode", NULL, 0);
6871 /* Initialize the tmcd tracks */
6872 for (i = 0; i < s->nb_streams; i++) {
6873 AVStream *st = s->streams[i];
6876 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
6879 t = av_dict_get(st->metadata, "timecode", NULL, 0);
6882 if (mov_check_timecode_track(s, &tc, i, t->value) < 0)
6884 if ((ret = mov_create_timecode_track(s, tmcd_track, i, tc)) < 0)
6893 if (mov->flags & FF_MOV_FLAG_ISML)
6894 mov_write_isml_manifest(pb, mov, s);
6896 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
6897 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6898 if ((ret = mov_write_moov_tag(pb, mov, s)) < 0)
6900 mov->moov_written = 1;
6901 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
6902 mov->reserved_header_pos = avio_tell(pb);
6908 static int get_moov_size(AVFormatContext *s)
6911 AVIOContext *moov_buf;
6912 MOVMuxContext *mov = s->priv_data;
6914 if ((ret = ffio_open_null_buf(&moov_buf)) < 0)
6916 if ((ret = mov_write_moov_tag(moov_buf, mov, s)) < 0)
6918 return ffio_close_null_buf(moov_buf);
6921 static int get_sidx_size(AVFormatContext *s)
6925 MOVMuxContext *mov = s->priv_data;
6927 if ((ret = ffio_open_null_buf(&buf)) < 0)
6929 mov_write_sidx_tags(buf, mov, -1, 0);
6930 return ffio_close_null_buf(buf);
6934 * This function gets the moov size if moved to the top of the file: the chunk
6935 * offset table can switch between stco (32-bit entries) to co64 (64-bit
6936 * entries) when the moov is moved to the beginning, so the size of the moov
6937 * would change. It also updates the chunk offset tables.
6939 static int compute_moov_size(AVFormatContext *s)
6941 int i, moov_size, moov_size2;
6942 MOVMuxContext *mov = s->priv_data;
6944 moov_size = get_moov_size(s);
6948 for (i = 0; i < mov->nb_streams; i++)
6949 mov->tracks[i].data_offset += moov_size;
6951 moov_size2 = get_moov_size(s);
6955 /* if the size changed, we just switched from stco to co64 and need to
6956 * update the offsets */
6957 if (moov_size2 != moov_size)
6958 for (i = 0; i < mov->nb_streams; i++)
6959 mov->tracks[i].data_offset += moov_size2 - moov_size;
6964 static int compute_sidx_size(AVFormatContext *s)
6967 MOVMuxContext *mov = s->priv_data;
6969 sidx_size = get_sidx_size(s);
6973 for (i = 0; i < mov->nb_streams; i++)
6974 mov->tracks[i].data_offset += sidx_size;
6979 static int shift_data(AVFormatContext *s)
6981 int ret = 0, moov_size;
6982 MOVMuxContext *mov = s->priv_data;
6983 int64_t pos, pos_end;
6984 uint8_t *buf, *read_buf[2];
6985 int read_buf_id = 0;
6987 AVIOContext *read_pb;
6989 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
6990 moov_size = compute_sidx_size(s);
6992 moov_size = compute_moov_size(s);
6996 buf = av_malloc(moov_size * 2);
6998 return AVERROR(ENOMEM);
7000 read_buf[1] = buf + moov_size;
7002 /* Shift the data: the AVIO context of the output can only be used for
7003 * writing, so we re-open the same output, but for reading. It also avoids
7004 * a read/seek/write/seek back and forth. */
7006 ret = s->io_open(s, &read_pb, s->url, AVIO_FLAG_READ, NULL);
7008 av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for "
7009 "the second pass (faststart)\n", s->url);
7013 /* mark the end of the shift to up to the last data we wrote, and get ready
7015 pos_end = avio_tell(s->pb);
7016 avio_seek(s->pb, mov->reserved_header_pos + moov_size, SEEK_SET);
7018 /* start reading at where the new moov will be placed */
7019 avio_seek(read_pb, mov->reserved_header_pos, SEEK_SET);
7020 pos = avio_tell(read_pb);
7022 #define READ_BLOCK do { \
7023 read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
7027 /* shift data by chunk of at most moov_size */
7032 n = read_size[read_buf_id];
7035 avio_write(s->pb, read_buf[read_buf_id], n);
7037 } while (pos < pos_end);
7038 ff_format_io_close(s, &read_pb);
7045 static int mov_write_trailer(AVFormatContext *s)
7047 MOVMuxContext *mov = s->priv_data;
7048 AVIOContext *pb = s->pb;
7053 if (mov->need_rewrite_extradata) {
7054 for (i = 0; i < s->nb_streams; i++) {
7055 MOVTrack *track = &mov->tracks[i];
7056 AVCodecParameters *par = track->par;
7058 track->vos_len = par->extradata_size;
7059 av_freep(&track->vos_data);
7060 track->vos_data = av_malloc(track->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
7061 if (!track->vos_data)
7062 return AVERROR(ENOMEM);
7063 memcpy(track->vos_data, par->extradata, track->vos_len);
7064 memset(track->vos_data + track->vos_len, 0, AV_INPUT_BUFFER_PADDING_SIZE);
7066 mov->need_rewrite_extradata = 0;
7070 * Before actually writing the trailer, make sure that there are no
7071 * dangling subtitles, that need a terminating sample.
7073 for (i = 0; i < mov->nb_streams; i++) {
7074 MOVTrack *trk = &mov->tracks[i];
7075 if (trk->par->codec_id == AV_CODEC_ID_MOV_TEXT &&
7076 !trk->last_sample_is_subtitle_end) {
7077 mov_write_subtitle_end_packet(s, i, trk->track_duration);
7078 trk->last_sample_is_subtitle_end = 1;
7082 // If there were no chapters when the header was written, but there
7083 // are chapters now, write them in the trailer. This only works
7084 // when we are not doing fragments.
7085 if (!mov->chapter_track && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
7086 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters) {
7087 mov->chapter_track = mov->nb_streams++;
7088 if ((res = mov_create_chapter_track(s, mov->chapter_track)) < 0)
7093 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
7094 moov_pos = avio_tell(pb);
7096 /* Write size of mdat tag */
7097 if (mov->mdat_size + 8 <= UINT32_MAX) {
7098 avio_seek(pb, mov->mdat_pos, SEEK_SET);
7099 avio_wb32(pb, mov->mdat_size + 8);
7101 /* overwrite 'wide' placeholder atom */
7102 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
7103 /* special value: real atom size will be 64 bit value after
7106 ffio_wfourcc(pb, "mdat");
7107 avio_wb64(pb, mov->mdat_size + 16);
7109 avio_seek(pb, mov->reserved_moov_size > 0 ? mov->reserved_header_pos : moov_pos, SEEK_SET);
7111 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
7112 av_log(s, AV_LOG_INFO, "Starting second pass: moving the moov atom to the beginning of the file\n");
7113 res = shift_data(s);
7116 avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
7117 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
7119 } else if (mov->reserved_moov_size > 0) {
7121 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
7123 size = mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_header_pos);
7125 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
7126 return AVERROR(EINVAL);
7128 avio_wb32(pb, size);
7129 ffio_wfourcc(pb, "free");
7130 ffio_fill(pb, 0, size - 8);
7131 avio_seek(pb, moov_pos, SEEK_SET);
7133 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
7138 mov_auto_flush_fragment(s, 1);
7139 for (i = 0; i < mov->nb_streams; i++)
7140 mov->tracks[i].data_offset = 0;
7141 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX) {
7143 av_log(s, AV_LOG_INFO, "Starting second pass: inserting sidx atoms\n");
7144 res = shift_data(s);
7147 end = avio_tell(pb);
7148 avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
7149 mov_write_sidx_tags(pb, mov, -1, 0);
7150 avio_seek(pb, end, SEEK_SET);
7152 if (!(mov->flags & FF_MOV_FLAG_SKIP_TRAILER)) {
7153 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_TRAILER);
7154 res = mov_write_mfra_tag(pb, mov);
7163 static int mov_check_bitstream(struct AVFormatContext *s, const AVPacket *pkt)
7166 AVStream *st = s->streams[pkt->stream_index];
7168 if (st->codecpar->codec_id == AV_CODEC_ID_AAC) {
7169 if (pkt->size > 2 && (AV_RB16(pkt->data) & 0xfff0) == 0xfff0)
7170 ret = ff_stream_add_bitstream_filter(st, "aac_adtstoasc", NULL);
7171 } else if (st->codecpar->codec_id == AV_CODEC_ID_VP9) {
7172 ret = ff_stream_add_bitstream_filter(st, "vp9_superframe", NULL);
7178 #if CONFIG_TGP_MUXER || CONFIG_TG2_MUXER
7179 static const AVCodecTag codec_3gp_tags[] = {
7180 { AV_CODEC_ID_H263, MKTAG('s','2','6','3') },
7181 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
7182 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
7183 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
7184 { AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
7185 { AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
7186 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
7187 { AV_CODEC_ID_NONE, 0 },
7189 static const AVCodecTag *const codec_3gp_tags_list[] = { codec_3gp_tags, NULL };
7192 static const AVCodecTag codec_mp4_tags[] = {
7193 { AV_CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
7194 { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') },
7195 { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '3') },
7196 { AV_CODEC_ID_HEVC, MKTAG('h', 'e', 'v', '1') },
7197 { AV_CODEC_ID_HEVC, MKTAG('h', 'v', 'c', '1') },
7198 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', '4', 'v') },
7199 { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', '4', 'v') },
7200 { AV_CODEC_ID_MJPEG, MKTAG('m', 'p', '4', 'v') },
7201 { AV_CODEC_ID_PNG, MKTAG('m', 'p', '4', 'v') },
7202 { AV_CODEC_ID_JPEG2000, MKTAG('m', 'p', '4', 'v') },
7203 { AV_CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') },
7204 { AV_CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
7205 { AV_CODEC_ID_TSCC2, MKTAG('m', 'p', '4', 'v') },
7206 { AV_CODEC_ID_VP9, MKTAG('v', 'p', '0', '9') },
7207 { AV_CODEC_ID_AV1, MKTAG('a', 'v', '0', '1') },
7208 { AV_CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
7209 { AV_CODEC_ID_ALAC, MKTAG('a', 'l', 'a', 'c') },
7210 { AV_CODEC_ID_MP4ALS, MKTAG('m', 'p', '4', 'a') },
7211 { AV_CODEC_ID_MP3, MKTAG('m', 'p', '4', 'a') },
7212 { AV_CODEC_ID_MP2, MKTAG('m', 'p', '4', 'a') },
7213 { AV_CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') },
7214 { AV_CODEC_ID_EAC3, MKTAG('e', 'c', '-', '3') },
7215 { AV_CODEC_ID_DTS, MKTAG('m', 'p', '4', 'a') },
7216 { AV_CODEC_ID_TRUEHD, MKTAG('m', 'l', 'p', 'a') },
7217 { AV_CODEC_ID_FLAC, MKTAG('f', 'L', 'a', 'C') },
7218 { AV_CODEC_ID_OPUS, MKTAG('O', 'p', 'u', 's') },
7219 { AV_CODEC_ID_VORBIS, MKTAG('m', 'p', '4', 'a') },
7220 { AV_CODEC_ID_QCELP, MKTAG('m', 'p', '4', 'a') },
7221 { AV_CODEC_ID_EVRC, MKTAG('m', 'p', '4', 'a') },
7222 { AV_CODEC_ID_DVD_SUBTITLE, MKTAG('m', 'p', '4', 's') },
7223 { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
7224 { AV_CODEC_ID_BIN_DATA, MKTAG('g', 'p', 'm', 'd') },
7225 { AV_CODEC_ID_MPEGH_3D_AUDIO, MKTAG('m', 'h', 'm', '1') },
7226 { AV_CODEC_ID_NONE, 0 },
7228 #if CONFIG_MP4_MUXER || CONFIG_PSP_MUXER
7229 static const AVCodecTag *const mp4_codec_tags_list[] = { codec_mp4_tags, NULL };
7232 static const AVCodecTag codec_ism_tags[] = {
7233 { AV_CODEC_ID_WMAPRO , MKTAG('w', 'm', 'a', ' ') },
7234 { AV_CODEC_ID_NONE , 0 },
7237 static const AVCodecTag codec_ipod_tags[] = {
7238 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
7239 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
7240 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
7241 { AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') },
7242 { AV_CODEC_ID_AC3, MKTAG('a','c','-','3') },
7243 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
7244 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
7245 { AV_CODEC_ID_NONE, 0 },
7248 static const AVCodecTag codec_f4v_tags[] = {
7249 { AV_CODEC_ID_MP3, MKTAG('.','m','p','3') },
7250 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
7251 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
7252 { AV_CODEC_ID_VP6A, MKTAG('V','P','6','A') },
7253 { AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') },
7254 { AV_CODEC_ID_NONE, 0 },
7257 #if CONFIG_MOV_MUXER
7259 AVOutputFormat ff_mov_muxer = {
7261 .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
7262 .extensions = "mov",
7263 .priv_data_size = sizeof(MOVMuxContext),
7264 .audio_codec = AV_CODEC_ID_AAC,
7265 .video_codec = CONFIG_LIBX264_ENCODER ?
7266 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
7268 .write_header = mov_write_header,
7269 .write_packet = mov_write_packet,
7270 .write_trailer = mov_write_trailer,
7272 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7273 .codec_tag = (const AVCodecTag* const []){
7274 ff_codec_movvideo_tags, ff_codec_movaudio_tags, ff_codec_movsubtitle_tags, 0
7276 .check_bitstream = mov_check_bitstream,
7277 .priv_class = &mov_muxer_class,
7280 #if CONFIG_TGP_MUXER
7282 AVOutputFormat ff_tgp_muxer = {
7284 .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
7285 .extensions = "3gp",
7286 .priv_data_size = sizeof(MOVMuxContext),
7287 .audio_codec = AV_CODEC_ID_AMR_NB,
7288 .video_codec = AV_CODEC_ID_H263,
7290 .write_header = mov_write_header,
7291 .write_packet = mov_write_packet,
7292 .write_trailer = mov_write_trailer,
7294 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7295 .codec_tag = codec_3gp_tags_list,
7296 .check_bitstream = mov_check_bitstream,
7297 .priv_class = &tgp_muxer_class,
7300 #if CONFIG_MP4_MUXER
7302 AVOutputFormat ff_mp4_muxer = {
7304 .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
7305 .mime_type = "video/mp4",
7306 .extensions = "mp4",
7307 .priv_data_size = sizeof(MOVMuxContext),
7308 .audio_codec = AV_CODEC_ID_AAC,
7309 .video_codec = CONFIG_LIBX264_ENCODER ?
7310 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
7312 .write_header = mov_write_header,
7313 .write_packet = mov_write_packet,
7314 .write_trailer = mov_write_trailer,
7316 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7317 .codec_tag = mp4_codec_tags_list,
7318 .check_bitstream = mov_check_bitstream,
7319 .priv_class = &mp4_muxer_class,
7322 #if CONFIG_PSP_MUXER
7324 AVOutputFormat ff_psp_muxer = {
7326 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
7327 .extensions = "mp4,psp",
7328 .priv_data_size = sizeof(MOVMuxContext),
7329 .audio_codec = AV_CODEC_ID_AAC,
7330 .video_codec = CONFIG_LIBX264_ENCODER ?
7331 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
7333 .write_header = mov_write_header,
7334 .write_packet = mov_write_packet,
7335 .write_trailer = mov_write_trailer,
7337 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7338 .codec_tag = mp4_codec_tags_list,
7339 .check_bitstream = mov_check_bitstream,
7340 .priv_class = &psp_muxer_class,
7343 #if CONFIG_TG2_MUXER
7345 AVOutputFormat ff_tg2_muxer = {
7347 .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
7348 .extensions = "3g2",
7349 .priv_data_size = sizeof(MOVMuxContext),
7350 .audio_codec = AV_CODEC_ID_AMR_NB,
7351 .video_codec = AV_CODEC_ID_H263,
7353 .write_header = mov_write_header,
7354 .write_packet = mov_write_packet,
7355 .write_trailer = mov_write_trailer,
7357 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7358 .codec_tag = codec_3gp_tags_list,
7359 .check_bitstream = mov_check_bitstream,
7360 .priv_class = &tg2_muxer_class,
7363 #if CONFIG_IPOD_MUXER
7365 AVOutputFormat ff_ipod_muxer = {
7367 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
7368 .mime_type = "video/mp4",
7369 .extensions = "m4v,m4a,m4b",
7370 .priv_data_size = sizeof(MOVMuxContext),
7371 .audio_codec = AV_CODEC_ID_AAC,
7372 .video_codec = AV_CODEC_ID_H264,
7374 .write_header = mov_write_header,
7375 .write_packet = mov_write_packet,
7376 .write_trailer = mov_write_trailer,
7378 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7379 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
7380 .check_bitstream = mov_check_bitstream,
7381 .priv_class = &ipod_muxer_class,
7384 #if CONFIG_ISMV_MUXER
7386 AVOutputFormat ff_ismv_muxer = {
7388 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
7389 .mime_type = "video/mp4",
7390 .extensions = "ismv,isma",
7391 .priv_data_size = sizeof(MOVMuxContext),
7392 .audio_codec = AV_CODEC_ID_AAC,
7393 .video_codec = AV_CODEC_ID_H264,
7395 .write_header = mov_write_header,
7396 .write_packet = mov_write_packet,
7397 .write_trailer = mov_write_trailer,
7399 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7400 .codec_tag = (const AVCodecTag* const []){
7401 codec_mp4_tags, codec_ism_tags, 0 },
7402 .check_bitstream = mov_check_bitstream,
7403 .priv_class = &ismv_muxer_class,
7406 #if CONFIG_F4V_MUXER
7408 AVOutputFormat ff_f4v_muxer = {
7410 .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
7411 .mime_type = "application/f4v",
7412 .extensions = "f4v",
7413 .priv_data_size = sizeof(MOVMuxContext),
7414 .audio_codec = AV_CODEC_ID_AAC,
7415 .video_codec = AV_CODEC_ID_H264,
7417 .write_header = mov_write_header,
7418 .write_packet = mov_write_packet,
7419 .write_trailer = mov_write_trailer,
7421 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
7422 .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 },
7423 .check_bitstream = mov_check_bitstream,
7424 .priv_class = &f4v_muxer_class,