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/color_utils.h"
60 static const AVOption options[] = {
61 { "movflags", "MOV muxer flags", offsetof(MOVMuxContext, flags), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
62 { "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" },
63 { "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 },
64 { "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" },
65 { "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" },
66 { "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" },
67 { "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" },
68 { "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" },
69 { "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" },
70 { "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" },
71 { "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" },
72 { "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" },
73 { "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" },
74 { "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" },
75 { "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" },
76 { "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" },
77 { "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" },
78 { "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" },
79 { "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" },
80 { "write_clli", "Write clli atom (Experimental, may be renamed or changed, do not use from scripts)", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_WRITE_CLLI}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
81 { "write_colr", "Write colr atom (Experimental, may be renamed or changed, do not use from scripts)", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_WRITE_COLR}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
82 { "prefer_icc", "If writing colr atom prioritise usage of ICC profile if it exists in stream packet side data", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_PREFER_ICC}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
83 { "write_gama", "Write deprecated gama atom", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_WRITE_GAMA}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
84 { "use_metadata_tags", "Use mdta atom for metadata.", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_USE_MDTA}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
85 { "skip_trailer", "Skip writing the mfra/tfra/mfro trailer for fragmented files", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_SKIP_TRAILER}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
86 { "negative_cts_offsets", "Use negative CTS offsets (reducing the need for edit lists)", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
87 FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
88 { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
89 { "iods_audio_profile", "iods audio profile atom.", offsetof(MOVMuxContext, iods_audio_profile), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM},
90 { "iods_video_profile", "iods video profile atom.", offsetof(MOVMuxContext, iods_video_profile), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM},
91 { "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
92 { "min_frag_duration", "Minimum fragment duration", offsetof(MOVMuxContext, min_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
93 { "frag_size", "Maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
94 { "ism_lookahead", "Number of lookahead entries for ISM files", offsetof(MOVMuxContext, ism_lookahead), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
95 { "video_track_timescale", "set timescale of all video tracks", offsetof(MOVMuxContext, video_track_timescale), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
96 { "brand", "Override major brand", offsetof(MOVMuxContext, major_brand), AV_OPT_TYPE_STRING, {.str = NULL}, .flags = AV_OPT_FLAG_ENCODING_PARAM },
97 { "use_editlist", "use edit list", offsetof(MOVMuxContext, use_editlist), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM},
98 { "fragment_index", "Fragment number of the next fragment", offsetof(MOVMuxContext, fragments), AV_OPT_TYPE_INT, {.i64 = 1}, 1, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
99 { "mov_gamma", "gamma value for gama atom", offsetof(MOVMuxContext, gamma), AV_OPT_TYPE_FLOAT, {.dbl = 0.0 }, 0.0, 10, AV_OPT_FLAG_ENCODING_PARAM},
100 { "frag_interleave", "Interleave samples within fragments (max number of consecutive samples, lower is tighter interleaving, but with more overhead)", offsetof(MOVMuxContext, frag_interleave), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
101 { "encryption_scheme", "Configures the encryption scheme, allowed values are none, cenc-aes-ctr", offsetof(MOVMuxContext, encryption_scheme_str), AV_OPT_TYPE_STRING, {.str = NULL}, .flags = AV_OPT_FLAG_ENCODING_PARAM },
102 { "encryption_key", "The media encryption key (hex)", offsetof(MOVMuxContext, encryption_key), AV_OPT_TYPE_BINARY, .flags = AV_OPT_FLAG_ENCODING_PARAM },
103 { "encryption_kid", "The media encryption key identifier (hex)", offsetof(MOVMuxContext, encryption_kid), AV_OPT_TYPE_BINARY, .flags = AV_OPT_FLAG_ENCODING_PARAM },
104 { "use_stream_ids_as_track_ids", "use stream ids as track ids", offsetof(MOVMuxContext, use_stream_ids_as_track_ids), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
105 { "write_tmcd", "force or disable writing tmcd", offsetof(MOVMuxContext, write_tmcd), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM},
106 { "write_prft", "Write producer reference time box with specified time source", offsetof(MOVMuxContext, write_prft), AV_OPT_TYPE_INT, {.i64 = MOV_PRFT_NONE}, 0, MOV_PRFT_NB-1, AV_OPT_FLAG_ENCODING_PARAM, "prft"},
107 { "wallclock", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = MOV_PRFT_SRC_WALLCLOCK}, 0, 0, AV_OPT_FLAG_ENCODING_PARAM, "prft"},
108 { "pts", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = MOV_PRFT_SRC_PTS}, 0, 0, AV_OPT_FLAG_ENCODING_PARAM, "prft"},
109 { "empty_hdlr_name", "write zero-length name string in hdlr atoms within mdia and minf atoms", offsetof(MOVMuxContext, empty_hdlr_name), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
113 #define MOV_CLASS(flavor)\
114 static const AVClass flavor ## _muxer_class = {\
115 .class_name = #flavor " muxer",\
116 .item_name = av_default_item_name,\
118 .version = LIBAVUTIL_VERSION_INT,\
121 static int get_moov_size(AVFormatContext *s);
123 static int utf8len(const uint8_t *b)
128 GET_UTF8(val, *b++, return -1;)
134 //FIXME support 64 bit variant with wide placeholders
135 static int64_t update_size(AVIOContext *pb, int64_t pos)
137 int64_t curpos = avio_tell(pb);
138 avio_seek(pb, pos, SEEK_SET);
139 avio_wb32(pb, curpos - pos); /* rewrite size */
140 avio_seek(pb, curpos, SEEK_SET);
145 static int co64_required(const MOVTrack *track)
147 if (track->entry > 0 && track->cluster[track->entry - 1].pos + track->data_offset > UINT32_MAX)
152 static int is_cover_image(const AVStream *st)
154 /* Eg. AV_DISPOSITION_ATTACHED_PIC | AV_DISPOSITION_TIMED_THUMBNAILS
155 * is encoded as sparse video track */
156 return st && st->disposition == AV_DISPOSITION_ATTACHED_PIC;
159 static int rtp_hinting_needed(const AVStream *st)
161 /* Add hint tracks for each real audio and video stream */
162 if (is_cover_image(st))
164 return st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ||
165 st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO;
168 /* Chunk offset atom */
169 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
172 int mode64 = co64_required(track); // use 32 bit size variant if possible
173 int64_t pos = avio_tell(pb);
174 avio_wb32(pb, 0); /* size */
176 ffio_wfourcc(pb, "co64");
178 ffio_wfourcc(pb, "stco");
179 avio_wb32(pb, 0); /* version & flags */
180 avio_wb32(pb, track->chunkCount); /* entry count */
181 for (i = 0; i < track->entry; i++) {
182 if (!track->cluster[i].chunkNum)
185 avio_wb64(pb, track->cluster[i].pos + track->data_offset);
187 avio_wb32(pb, track->cluster[i].pos + track->data_offset);
189 return update_size(pb, pos);
192 /* Sample size atom */
193 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
196 int i, j, entries = 0, tst = -1, oldtst = -1;
198 int64_t pos = avio_tell(pb);
199 avio_wb32(pb, 0); /* size */
200 ffio_wfourcc(pb, "stsz");
201 avio_wb32(pb, 0); /* version & flags */
203 for (i = 0; i < track->entry; i++) {
204 tst = track->cluster[i].size / track->cluster[i].entries;
205 if (oldtst != -1 && tst != oldtst)
208 entries += track->cluster[i].entries;
210 if (equalChunks && track->entry) {
211 int sSize = track->entry ? track->cluster[0].size / track->cluster[0].entries : 0;
212 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
213 avio_wb32(pb, sSize); // sample size
214 avio_wb32(pb, entries); // sample count
216 avio_wb32(pb, 0); // sample size
217 avio_wb32(pb, entries); // sample count
218 for (i = 0; i < track->entry; i++) {
219 for (j = 0; j < track->cluster[i].entries; j++) {
220 avio_wb32(pb, track->cluster[i].size /
221 track->cluster[i].entries);
225 return update_size(pb, pos);
228 /* Sample to chunk atom */
229 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
231 int index = 0, oldval = -1, i;
232 int64_t entryPos, curpos;
234 int64_t pos = avio_tell(pb);
235 avio_wb32(pb, 0); /* size */
236 ffio_wfourcc(pb, "stsc");
237 avio_wb32(pb, 0); // version & flags
238 entryPos = avio_tell(pb);
239 avio_wb32(pb, track->chunkCount); // entry count
240 for (i = 0; i < track->entry; i++) {
241 if (oldval != track->cluster[i].samples_in_chunk && track->cluster[i].chunkNum) {
242 avio_wb32(pb, track->cluster[i].chunkNum); // first chunk
243 avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
244 avio_wb32(pb, 0x1); // sample description index
245 oldval = track->cluster[i].samples_in_chunk;
249 curpos = avio_tell(pb);
250 avio_seek(pb, entryPos, SEEK_SET);
251 avio_wb32(pb, index); // rewrite size
252 avio_seek(pb, curpos, SEEK_SET);
254 return update_size(pb, pos);
257 /* Sync sample atom */
258 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
260 int64_t curpos, entryPos;
262 int64_t pos = avio_tell(pb);
263 avio_wb32(pb, 0); // size
264 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
265 avio_wb32(pb, 0); // version & flags
266 entryPos = avio_tell(pb);
267 avio_wb32(pb, track->entry); // entry count
268 for (i = 0; i < track->entry; i++) {
269 if (track->cluster[i].flags & flag) {
270 avio_wb32(pb, i + 1);
274 curpos = avio_tell(pb);
275 avio_seek(pb, entryPos, SEEK_SET);
276 avio_wb32(pb, index); // rewrite size
277 avio_seek(pb, curpos, SEEK_SET);
278 return update_size(pb, pos);
281 /* Sample dependency atom */
282 static int mov_write_sdtp_tag(AVIOContext *pb, MOVTrack *track)
285 uint8_t leading, dependent, reference, redundancy;
286 int64_t pos = avio_tell(pb);
287 avio_wb32(pb, 0); // size
288 ffio_wfourcc(pb, "sdtp");
289 avio_wb32(pb, 0); // version & flags
290 for (i = 0; i < track->entry; i++) {
291 dependent = MOV_SAMPLE_DEPENDENCY_YES;
292 leading = reference = redundancy = MOV_SAMPLE_DEPENDENCY_UNKNOWN;
293 if (track->cluster[i].flags & MOV_DISPOSABLE_SAMPLE) {
294 reference = MOV_SAMPLE_DEPENDENCY_NO;
296 if (track->cluster[i].flags & MOV_SYNC_SAMPLE) {
297 dependent = MOV_SAMPLE_DEPENDENCY_NO;
299 avio_w8(pb, (leading << 6) | (dependent << 4) |
300 (reference << 2) | redundancy);
302 return update_size(pb, pos);
305 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
307 avio_wb32(pb, 0x11); /* size */
308 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
309 else ffio_wfourcc(pb, "damr");
310 ffio_wfourcc(pb, "FFMP");
311 avio_w8(pb, 0); /* decoder version */
313 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
314 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
315 avio_w8(pb, 0x01); /* Frames per sample */
319 static int mov_write_ac3_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
324 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
326 if (track->vos_len < 7) {
327 av_log(s, AV_LOG_ERROR,
328 "Cannot write moov atom before AC3 packets."
329 " Set the delay_moov flag to fix this.\n");
330 return AVERROR(EINVAL);
334 ffio_wfourcc(pb, "dac3");
336 init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
337 fscod = get_bits(&gbc, 2);
338 frmsizecod = get_bits(&gbc, 6);
339 bsid = get_bits(&gbc, 5);
340 bsmod = get_bits(&gbc, 3);
341 acmod = get_bits(&gbc, 3);
343 skip_bits(&gbc, 2); // dsurmod
345 if ((acmod & 1) && acmod != 1)
346 skip_bits(&gbc, 2); // cmixlev
348 skip_bits(&gbc, 2); // surmixlev
350 lfeon = get_bits1(&gbc);
352 init_put_bits(&pbc, buf, sizeof(buf));
353 put_bits(&pbc, 2, fscod);
354 put_bits(&pbc, 5, bsid);
355 put_bits(&pbc, 3, bsmod);
356 put_bits(&pbc, 3, acmod);
357 put_bits(&pbc, 1, lfeon);
358 put_bits(&pbc, 5, frmsizecod >> 1); // bit_rate_code
359 put_bits(&pbc, 5, 0); // reserved
361 flush_put_bits(&pbc);
362 avio_write(pb, buf, sizeof(buf));
372 /* Layout of the EC3SpecificBox */
373 /* maximum bitrate */
375 /* number of independent substreams */
378 /* sample rate code (see ff_ac3_sample_rate_tab) 2 bits */
380 /* bit stream identification 5 bits */
382 /* one bit reserved */
383 /* audio service mixing (not supported yet) 1 bit */
384 /* bit stream mode 3 bits */
386 /* audio coding mode 3 bits */
388 /* sub woofer on 1 bit */
390 /* 3 bits reserved */
391 /* number of dependent substreams associated with this substream 4 bits */
393 /* channel locations of the dependent substream(s), if any, 9 bits */
395 /* if there is no dependent substream, then one bit reserved instead */
396 } substream[1]; /* TODO: support 8 independent substreams */
399 #if CONFIG_AC3_PARSER
400 static int handle_eac3(MOVMuxContext *mov, AVPacket *pkt, MOVTrack *track)
402 AC3HeaderInfo *hdr = NULL;
403 struct eac3_info *info;
406 if (!track->eac3_priv && !(track->eac3_priv = av_mallocz(sizeof(*info))))
407 return AVERROR(ENOMEM);
408 info = track->eac3_priv;
410 if (avpriv_ac3_parse_header(&hdr, pkt->data, pkt->size) < 0) {
411 /* drop the packets until we see a good one */
413 av_log(mov->fc, AV_LOG_WARNING, "Dropping invalid packet from start of the stream\n");
416 ret = AVERROR_INVALIDDATA;
420 info->data_rate = FFMAX(info->data_rate, hdr->bit_rate / 1000);
421 num_blocks = hdr->num_blocks;
423 if (!info->ec3_done) {
424 /* AC-3 substream must be the first one */
425 if (hdr->bitstream_id <= 10 && hdr->substreamid != 0) {
426 ret = AVERROR(EINVAL);
430 /* this should always be the case, given that our AC-3 parser
431 * concatenates dependent frames to their independent parent */
432 if (hdr->frame_type == EAC3_FRAME_TYPE_INDEPENDENT) {
433 /* substream ids must be incremental */
434 if (hdr->substreamid > info->num_ind_sub + 1) {
435 ret = AVERROR(EINVAL);
439 if (hdr->substreamid == info->num_ind_sub + 1) {
440 //info->num_ind_sub++;
441 avpriv_request_sample(mov->fc, "Multiple independent substreams");
442 ret = AVERROR_PATCHWELCOME;
444 } else if (hdr->substreamid < info->num_ind_sub ||
445 hdr->substreamid == 0 && info->substream[0].bsid) {
450 if (hdr->substreamid != 0) {
451 avpriv_request_sample(mov->fc, "Multiple non EAC3 independent substreams");
452 ret = AVERROR_PATCHWELCOME;
457 /* fill the info needed for the "dec3" atom */
458 info->substream[hdr->substreamid].fscod = hdr->sr_code;
459 info->substream[hdr->substreamid].bsid = hdr->bitstream_id;
460 info->substream[hdr->substreamid].bsmod = hdr->bitstream_mode;
461 info->substream[hdr->substreamid].acmod = hdr->channel_mode;
462 info->substream[hdr->substreamid].lfeon = hdr->lfe_on;
464 /* Parse dependent substream(s), if any */
465 if (pkt->size != hdr->frame_size) {
466 int cumul_size = hdr->frame_size;
467 int parent = hdr->substreamid;
469 while (cumul_size != pkt->size) {
472 ret = avpriv_ac3_parse_header(&hdr, pkt->data + cumul_size, pkt->size - cumul_size);
475 if (hdr->frame_type != EAC3_FRAME_TYPE_DEPENDENT) {
476 ret = AVERROR(EINVAL);
479 info->substream[parent].num_dep_sub++;
482 /* header is parsed up to lfeon, but custom channel map may be needed */
483 init_get_bits8(&gbc, pkt->data + cumul_size + ret, pkt->size - cumul_size - ret);
486 /* skip volume control params */
487 for (i = 0; i < (hdr->channel_mode ? 1 : 2); i++) {
488 skip_bits(&gbc, 5); // skip dialog normalization
489 if (get_bits1(&gbc)) {
490 skip_bits(&gbc, 8); // skip compression gain word
493 /* get the dependent stream channel map, if exists */
495 info->substream[parent].chan_loc |= (get_bits(&gbc, 16) >> 5) & 0x1f;
497 info->substream[parent].chan_loc |= hdr->channel_mode;
498 cumul_size += hdr->frame_size;
504 if (!info->num_blocks && num_blocks == 6) {
508 else if (info->num_blocks + num_blocks > 6) {
509 ret = AVERROR_INVALIDDATA;
513 if (!info->num_blocks) {
514 ret = av_packet_ref(&info->pkt, pkt);
516 info->num_blocks = num_blocks;
519 if ((ret = av_grow_packet(&info->pkt, pkt->size)) < 0)
521 memcpy(info->pkt.data + info->pkt.size - pkt->size, pkt->data, pkt->size);
522 info->num_blocks += num_blocks;
523 info->pkt.duration += pkt->duration;
524 if ((ret = av_copy_packet_side_data(&info->pkt, pkt)) < 0)
526 if (info->num_blocks != 6)
528 av_packet_unref(pkt);
529 av_packet_move_ref(pkt, &info->pkt);
530 info->num_blocks = 0;
541 static int mov_write_eac3_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
545 struct eac3_info *info;
548 if (!track->eac3_priv) {
549 av_log(s, AV_LOG_ERROR,
550 "Cannot write moov atom before EAC3 packets parsed.\n");
551 return AVERROR(EINVAL);
554 info = track->eac3_priv;
555 size = 2 + ((34 * (info->num_ind_sub + 1) + 7) >> 3);
556 buf = av_malloc(size);
558 return AVERROR(ENOMEM);
561 init_put_bits(&pbc, buf, size);
562 put_bits(&pbc, 13, info->data_rate);
563 put_bits(&pbc, 3, info->num_ind_sub);
564 for (i = 0; i <= info->num_ind_sub; i++) {
565 put_bits(&pbc, 2, info->substream[i].fscod);
566 put_bits(&pbc, 5, info->substream[i].bsid);
567 put_bits(&pbc, 1, 0); /* reserved */
568 put_bits(&pbc, 1, 0); /* asvc */
569 put_bits(&pbc, 3, info->substream[i].bsmod);
570 put_bits(&pbc, 3, info->substream[i].acmod);
571 put_bits(&pbc, 1, info->substream[i].lfeon);
572 put_bits(&pbc, 5, 0); /* reserved */
573 put_bits(&pbc, 4, info->substream[i].num_dep_sub);
574 if (!info->substream[i].num_dep_sub) {
575 put_bits(&pbc, 1, 0); /* reserved */
577 put_bits(&pbc, 9, info->substream[i].chan_loc);
580 flush_put_bits(&pbc);
581 size = put_bits_count(&pbc) >> 3;
583 avio_wb32(pb, size + 8);
584 ffio_wfourcc(pb, "dec3");
585 avio_write(pb, buf, size);
593 * This function writes extradata "as is".
594 * Extradata must be formatted like a valid atom (with size and tag).
596 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
598 avio_write(pb, track->par->extradata, track->par->extradata_size);
599 return track->par->extradata_size;
602 static int mov_write_enda_tag(AVIOContext *pb)
605 ffio_wfourcc(pb, "enda");
606 avio_wb16(pb, 1); /* little endian */
610 static int mov_write_enda_tag_be(AVIOContext *pb)
613 ffio_wfourcc(pb, "enda");
614 avio_wb16(pb, 0); /* big endian */
618 static void put_descr(AVIOContext *pb, int tag, unsigned int size)
623 avio_w8(pb, (size >> (7 * i)) | 0x80);
624 avio_w8(pb, size & 0x7F);
627 static unsigned compute_avg_bitrate(MOVTrack *track)
631 if (!track->track_duration)
633 for (i = 0; i < track->entry; i++)
634 size += track->cluster[i].size;
635 return size * 8 * track->timescale / track->track_duration;
638 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
640 AVCPBProperties *props;
641 int64_t pos = avio_tell(pb);
642 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
643 unsigned avg_bitrate;
645 avio_wb32(pb, 0); // size
646 ffio_wfourcc(pb, "esds");
647 avio_wb32(pb, 0); // Version
650 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
651 avio_wb16(pb, track->track_id);
652 avio_w8(pb, 0x00); // flags (= no flags)
654 // DecoderConfig descriptor
655 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
657 // Object type indication
658 if ((track->par->codec_id == AV_CODEC_ID_MP2 ||
659 track->par->codec_id == AV_CODEC_ID_MP3) &&
660 track->par->sample_rate > 24000)
661 avio_w8(pb, 0x6B); // 11172-3
663 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->par->codec_id));
665 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
666 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
667 if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
668 avio_w8(pb, (0x38 << 2) | 1); // flags (= NeroSubpicStream)
669 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
670 avio_w8(pb, 0x15); // flags (= Audiostream)
672 avio_w8(pb, 0x11); // flags (= Visualstream)
674 props = (AVCPBProperties*)av_stream_get_side_data(track->st, AV_PKT_DATA_CPB_PROPERTIES,
677 avio_wb24(pb, props ? props->buffer_size / 8 : 0); // Buffersize DB
679 avg_bitrate = compute_avg_bitrate(track);
680 avio_wb32(pb, props ? FFMAX3(props->max_bitrate, props->avg_bitrate, avg_bitrate) : FFMAX(track->par->bit_rate, avg_bitrate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
681 avio_wb32(pb, avg_bitrate);
683 if (track->vos_len) {
684 // DecoderSpecific info descriptor
685 put_descr(pb, 0x05, track->vos_len);
686 avio_write(pb, track->vos_data, track->vos_len);
690 put_descr(pb, 0x06, 1);
692 return update_size(pb, pos);
695 static int mov_pcm_le_gt16(enum AVCodecID codec_id)
697 return codec_id == AV_CODEC_ID_PCM_S24LE ||
698 codec_id == AV_CODEC_ID_PCM_S32LE ||
699 codec_id == AV_CODEC_ID_PCM_F32LE ||
700 codec_id == AV_CODEC_ID_PCM_F64LE;
703 static int mov_pcm_be_gt16(enum AVCodecID codec_id)
705 return codec_id == AV_CODEC_ID_PCM_S24BE ||
706 codec_id == AV_CODEC_ID_PCM_S32BE ||
707 codec_id == AV_CODEC_ID_PCM_F32BE ||
708 codec_id == AV_CODEC_ID_PCM_F64BE;
711 static int mov_write_ms_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
714 int64_t pos = avio_tell(pb);
716 avio_wl32(pb, track->tag); // store it byteswapped
717 track->par->codec_tag = av_bswap16(track->tag >> 16);
718 if ((ret = ff_put_wav_header(s, pb, track->par, 0)) < 0)
720 return update_size(pb, pos);
723 static int mov_write_wfex_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
726 int64_t pos = avio_tell(pb);
728 ffio_wfourcc(pb, "wfex");
729 if ((ret = ff_put_wav_header(s, pb, track->st->codecpar, FF_PUT_WAV_HEADER_FORCE_WAVEFORMATEX)) < 0)
731 return update_size(pb, pos);
734 static int mov_write_dfla_tag(AVIOContext *pb, MOVTrack *track)
736 int64_t pos = avio_tell(pb);
738 ffio_wfourcc(pb, "dfLa");
739 avio_w8(pb, 0); /* version */
740 avio_wb24(pb, 0); /* flags */
742 /* Expect the encoder to pass a METADATA_BLOCK_TYPE_STREAMINFO. */
743 if (track->par->extradata_size != FLAC_STREAMINFO_SIZE)
744 return AVERROR_INVALIDDATA;
746 /* TODO: Write other METADATA_BLOCK_TYPEs if the encoder makes them available. */
747 avio_w8(pb, 1 << 7 | FLAC_METADATA_TYPE_STREAMINFO); /* LastMetadataBlockFlag << 7 | BlockType */
748 avio_wb24(pb, track->par->extradata_size); /* Length */
749 avio_write(pb, track->par->extradata, track->par->extradata_size); /* BlockData[Length] */
751 return update_size(pb, pos);
754 static int mov_write_dops_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
756 int64_t pos = avio_tell(pb);
758 ffio_wfourcc(pb, "dOps");
759 avio_w8(pb, 0); /* Version */
760 if (track->par->extradata_size < 19) {
761 av_log(s, AV_LOG_ERROR, "invalid extradata size\n");
762 return AVERROR_INVALIDDATA;
764 /* extradata contains an Ogg OpusHead, other than byte-ordering and
765 OpusHead's preceeding magic/version, OpusSpecificBox is currently
767 avio_w8(pb, AV_RB8(track->par->extradata + 9)); /* OuputChannelCount */
768 avio_wb16(pb, AV_RL16(track->par->extradata + 10)); /* PreSkip */
769 avio_wb32(pb, AV_RL32(track->par->extradata + 12)); /* InputSampleRate */
770 avio_wb16(pb, AV_RL16(track->par->extradata + 16)); /* OutputGain */
771 /* Write the rest of the header out without byte-swapping. */
772 avio_write(pb, track->par->extradata + 18, track->par->extradata_size - 18);
774 return update_size(pb, pos);
777 static int mov_write_dmlp_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
779 int64_t pos = avio_tell(pb);
782 ffio_wfourcc(pb, "dmlp");
784 if (track->vos_len < 20) {
785 av_log(s, AV_LOG_ERROR,
786 "Cannot write moov atom before TrueHD packets."
787 " Set the delay_moov flag to fix this.\n");
788 return AVERROR(EINVAL);
791 length = (AV_RB16(track->vos_data) & 0xFFF) * 2;
792 if (length < 20 || length > track->vos_len)
793 return AVERROR_INVALIDDATA;
795 // Only TrueHD is supported
796 if (AV_RB32(track->vos_data + 4) != 0xF8726FBA)
797 return AVERROR_INVALIDDATA;
799 avio_wb32(pb, AV_RB32(track->vos_data + 8)); /* format_info */
800 avio_wb16(pb, AV_RB16(track->vos_data + 18) << 1); /* peak_data_rate */
801 avio_wb32(pb, 0); /* reserved */
803 return update_size(pb, pos);
806 static int mov_write_chan_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
808 uint32_t layout_tag, bitmap;
809 int64_t pos = avio_tell(pb);
811 layout_tag = ff_mov_get_channel_layout_tag(track->par->codec_id,
812 track->par->channel_layout,
815 av_log(s, AV_LOG_WARNING, "not writing 'chan' tag due to "
816 "lack of channel information\n");
820 if (track->multichannel_as_mono)
823 avio_wb32(pb, 0); // Size
824 ffio_wfourcc(pb, "chan"); // Type
825 avio_w8(pb, 0); // Version
826 avio_wb24(pb, 0); // Flags
827 avio_wb32(pb, layout_tag); // mChannelLayoutTag
828 avio_wb32(pb, bitmap); // mChannelBitmap
829 avio_wb32(pb, 0); // mNumberChannelDescriptions
831 return update_size(pb, pos);
834 static int mov_write_wave_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
836 int64_t pos = avio_tell(pb);
838 avio_wb32(pb, 0); /* size */
839 ffio_wfourcc(pb, "wave");
841 if (track->par->codec_id != AV_CODEC_ID_QDM2) {
842 avio_wb32(pb, 12); /* size */
843 ffio_wfourcc(pb, "frma");
844 avio_wl32(pb, track->tag);
847 if (track->par->codec_id == AV_CODEC_ID_AAC) {
848 /* useless atom needed by mplayer, ipod, not needed by quicktime */
849 avio_wb32(pb, 12); /* size */
850 ffio_wfourcc(pb, "mp4a");
852 mov_write_esds_tag(pb, track);
853 } else if (mov_pcm_le_gt16(track->par->codec_id)) {
854 mov_write_enda_tag(pb);
855 } else if (mov_pcm_be_gt16(track->par->codec_id)) {
856 mov_write_enda_tag_be(pb);
857 } else if (track->par->codec_id == AV_CODEC_ID_AMR_NB) {
858 mov_write_amr_tag(pb, track);
859 } else if (track->par->codec_id == AV_CODEC_ID_AC3) {
860 mov_write_ac3_tag(s, pb, track);
861 } else if (track->par->codec_id == AV_CODEC_ID_EAC3) {
862 mov_write_eac3_tag(s, pb, track);
863 } else if (track->par->codec_id == AV_CODEC_ID_ALAC ||
864 track->par->codec_id == AV_CODEC_ID_QDM2) {
865 mov_write_extradata_tag(pb, track);
866 } else if (track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
867 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
868 mov_write_ms_tag(s, pb, track);
871 avio_wb32(pb, 8); /* size */
872 avio_wb32(pb, 0); /* null tag */
874 return update_size(pb, pos);
877 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
880 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
881 int unescaped_size, seq_found = 0;
882 int level = 0, interlace = 0;
883 int packet_seq = track->vc1_info.packet_seq;
884 int packet_entry = track->vc1_info.packet_entry;
885 int slices = track->vc1_info.slices;
888 if (track->start_dts == AV_NOPTS_VALUE) {
889 /* No packets written yet, vc1_info isn't authoritative yet. */
890 /* Assume inline sequence and entry headers. */
891 packet_seq = packet_entry = 1;
892 av_log(NULL, AV_LOG_WARNING,
893 "moov atom written before any packets, unable to write correct "
894 "dvc1 atom. Set the delay_moov flag to fix this.\n");
897 unescaped = av_mallocz(track->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
899 return AVERROR(ENOMEM);
900 start = find_next_marker(track->vos_data, end);
901 for (next = start; next < end; start = next) {
904 next = find_next_marker(start + 4, end);
905 size = next - start - 4;
908 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
909 init_get_bits(&gb, unescaped, 8 * unescaped_size);
910 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
911 int profile = get_bits(&gb, 2);
912 if (profile != PROFILE_ADVANCED) {
914 return AVERROR(ENOSYS);
917 level = get_bits(&gb, 3);
918 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
920 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
921 skip_bits(&gb, 1); /* broadcast */
922 interlace = get_bits1(&gb);
923 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
928 return AVERROR(ENOSYS);
931 init_put_bits(&pbc, buf, 7);
932 /* VC1DecSpecStruc */
933 put_bits(&pbc, 4, 12); /* profile - advanced */
934 put_bits(&pbc, 3, level);
935 put_bits(&pbc, 1, 0); /* reserved */
936 /* VC1AdvDecSpecStruc */
937 put_bits(&pbc, 3, level);
938 put_bits(&pbc, 1, 0); /* cbr */
939 put_bits(&pbc, 6, 0); /* reserved */
940 put_bits(&pbc, 1, !interlace); /* no interlace */
941 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
942 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
943 put_bits(&pbc, 1, !slices); /* no slice code */
944 put_bits(&pbc, 1, 0); /* no bframe */
945 put_bits(&pbc, 1, 0); /* reserved */
948 if (track->st->avg_frame_rate.num > 0 && track->st->avg_frame_rate.den > 0)
949 put_bits32(&pbc, track->st->avg_frame_rate.num / track->st->avg_frame_rate.den);
951 put_bits32(&pbc, 0xffffffff);
953 flush_put_bits(&pbc);
960 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
962 uint8_t buf[7] = { 0 };
965 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
968 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
969 ffio_wfourcc(pb, "dvc1");
970 avio_write(pb, buf, sizeof(buf));
971 avio_write(pb, track->vos_data, track->vos_len);
976 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
978 avio_wb32(pb, track->vos_len + 8);
979 ffio_wfourcc(pb, "glbl");
980 avio_write(pb, track->vos_data, track->vos_len);
981 return 8 + track->vos_len;
985 * Compute flags for 'lpcm' tag.
986 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
988 static int mov_get_lpcm_flags(enum AVCodecID codec_id)
991 case AV_CODEC_ID_PCM_F32BE:
992 case AV_CODEC_ID_PCM_F64BE:
994 case AV_CODEC_ID_PCM_F32LE:
995 case AV_CODEC_ID_PCM_F64LE:
997 case AV_CODEC_ID_PCM_U8:
999 case AV_CODEC_ID_PCM_S16BE:
1000 case AV_CODEC_ID_PCM_S24BE:
1001 case AV_CODEC_ID_PCM_S32BE:
1003 case AV_CODEC_ID_PCM_S8:
1004 case AV_CODEC_ID_PCM_S16LE:
1005 case AV_CODEC_ID_PCM_S24LE:
1006 case AV_CODEC_ID_PCM_S32LE:
1013 static int get_cluster_duration(MOVTrack *track, int cluster_idx)
1017 if (cluster_idx >= track->entry)
1020 if (cluster_idx + 1 == track->entry)
1021 next_dts = track->track_duration + track->start_dts;
1023 next_dts = track->cluster[cluster_idx + 1].dts;
1025 next_dts -= track->cluster[cluster_idx].dts;
1027 av_assert0(next_dts >= 0);
1028 av_assert0(next_dts <= INT_MAX);
1033 static int get_samples_per_packet(MOVTrack *track)
1035 int i, first_duration;
1037 // return track->par->frame_size;
1039 /* use 1 for raw PCM */
1040 if (!track->audio_vbr)
1043 /* check to see if duration is constant for all clusters */
1046 first_duration = get_cluster_duration(track, 0);
1047 for (i = 1; i < track->entry; i++) {
1048 if (get_cluster_duration(track, i) != first_duration)
1051 return first_duration;
1054 static int mov_write_audio_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
1056 int64_t pos = avio_tell(pb);
1058 uint32_t tag = track->tag;
1061 if (track->mode == MODE_MOV) {
1062 if (track->timescale > UINT16_MAX || !track->par->channels) {
1063 if (mov_get_lpcm_flags(track->par->codec_id))
1064 tag = AV_RL32("lpcm");
1066 } else if (track->audio_vbr || mov_pcm_le_gt16(track->par->codec_id) ||
1067 mov_pcm_be_gt16(track->par->codec_id) ||
1068 track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
1069 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
1070 track->par->codec_id == AV_CODEC_ID_QDM2) {
1075 avio_wb32(pb, 0); /* size */
1076 if (mov->encryption_scheme != MOV_ENC_NONE) {
1077 ffio_wfourcc(pb, "enca");
1079 avio_wl32(pb, tag); // store it byteswapped
1081 avio_wb32(pb, 0); /* Reserved */
1082 avio_wb16(pb, 0); /* Reserved */
1083 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
1085 /* SoundDescription */
1086 avio_wb16(pb, version); /* Version */
1087 avio_wb16(pb, 0); /* Revision level */
1088 avio_wb32(pb, 0); /* Reserved */
1093 avio_wb16(pb, 0xfffe);
1095 avio_wb32(pb, 0x00010000);
1097 avio_wb64(pb, av_double2int(track->par->sample_rate));
1098 avio_wb32(pb, track->par->channels);
1099 avio_wb32(pb, 0x7F000000);
1100 avio_wb32(pb, av_get_bits_per_sample(track->par->codec_id));
1101 avio_wb32(pb, mov_get_lpcm_flags(track->par->codec_id));
1102 avio_wb32(pb, track->sample_size);
1103 avio_wb32(pb, get_samples_per_packet(track));
1105 if (track->mode == MODE_MOV) {
1106 avio_wb16(pb, track->par->channels);
1107 if (track->par->codec_id == AV_CODEC_ID_PCM_U8 ||
1108 track->par->codec_id == AV_CODEC_ID_PCM_S8)
1109 avio_wb16(pb, 8); /* bits per sample */
1110 else if (track->par->codec_id == AV_CODEC_ID_ADPCM_G726)
1111 avio_wb16(pb, track->par->bits_per_coded_sample);
1114 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
1115 } else { /* reserved for mp4/3gp */
1116 if (track->par->codec_id == AV_CODEC_ID_FLAC ||
1117 track->par->codec_id == AV_CODEC_ID_ALAC ||
1118 track->par->codec_id == AV_CODEC_ID_OPUS) {
1119 avio_wb16(pb, track->par->channels);
1123 if (track->par->codec_id == AV_CODEC_ID_FLAC ||
1124 track->par->codec_id == AV_CODEC_ID_ALAC) {
1125 avio_wb16(pb, track->par->bits_per_raw_sample);
1132 avio_wb16(pb, 0); /* packet size (= 0) */
1133 if (track->par->codec_id == AV_CODEC_ID_OPUS)
1134 avio_wb16(pb, 48000);
1135 else if (track->par->codec_id == AV_CODEC_ID_TRUEHD)
1136 avio_wb32(pb, track->par->sample_rate);
1138 avio_wb16(pb, track->par->sample_rate <= UINT16_MAX ?
1139 track->par->sample_rate : 0);
1141 if (track->par->codec_id != AV_CODEC_ID_TRUEHD)
1142 avio_wb16(pb, 0); /* Reserved */
1145 if (version == 1) { /* SoundDescription V1 extended info */
1146 if (mov_pcm_le_gt16(track->par->codec_id) ||
1147 mov_pcm_be_gt16(track->par->codec_id))
1148 avio_wb32(pb, 1); /* must be 1 for uncompressed formats */
1150 avio_wb32(pb, track->par->frame_size); /* Samples per packet */
1151 avio_wb32(pb, track->sample_size / track->par->channels); /* Bytes per packet */
1152 avio_wb32(pb, track->sample_size); /* Bytes per frame */
1153 avio_wb32(pb, 2); /* Bytes per sample */
1156 if (track->mode == MODE_MOV &&
1157 (track->par->codec_id == AV_CODEC_ID_AAC ||
1158 track->par->codec_id == AV_CODEC_ID_AC3 ||
1159 track->par->codec_id == AV_CODEC_ID_EAC3 ||
1160 track->par->codec_id == AV_CODEC_ID_AMR_NB ||
1161 track->par->codec_id == AV_CODEC_ID_ALAC ||
1162 track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
1163 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
1164 track->par->codec_id == AV_CODEC_ID_QDM2 ||
1165 (mov_pcm_le_gt16(track->par->codec_id) && version==1) ||
1166 (mov_pcm_be_gt16(track->par->codec_id) && version==1)))
1167 ret = mov_write_wave_tag(s, pb, track);
1168 else if (track->tag == MKTAG('m','p','4','a'))
1169 ret = mov_write_esds_tag(pb, track);
1170 else if (track->par->codec_id == AV_CODEC_ID_AMR_NB)
1171 ret = mov_write_amr_tag(pb, track);
1172 else if (track->par->codec_id == AV_CODEC_ID_AC3)
1173 ret = mov_write_ac3_tag(s, pb, track);
1174 else if (track->par->codec_id == AV_CODEC_ID_EAC3)
1175 ret = mov_write_eac3_tag(s, pb, track);
1176 else if (track->par->codec_id == AV_CODEC_ID_ALAC)
1177 ret = mov_write_extradata_tag(pb, track);
1178 else if (track->par->codec_id == AV_CODEC_ID_WMAPRO)
1179 ret = mov_write_wfex_tag(s, pb, track);
1180 else if (track->par->codec_id == AV_CODEC_ID_FLAC)
1181 ret = mov_write_dfla_tag(pb, track);
1182 else if (track->par->codec_id == AV_CODEC_ID_OPUS)
1183 ret = mov_write_dops_tag(s, pb, track);
1184 else if (track->par->codec_id == AV_CODEC_ID_TRUEHD)
1185 ret = mov_write_dmlp_tag(s, pb, track);
1186 else if (track->vos_len > 0)
1187 ret = mov_write_glbl_tag(pb, track);
1192 if (track->mode == MODE_MOV && track->par->codec_type == AVMEDIA_TYPE_AUDIO
1193 && ((ret = mov_write_chan_tag(s, pb, track)) < 0)) {
1197 if (mov->encryption_scheme != MOV_ENC_NONE
1198 && ((ret = ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid)) < 0)) {
1202 ret = update_size(pb, pos);
1206 static int mov_write_d263_tag(AVIOContext *pb)
1208 avio_wb32(pb, 0xf); /* size */
1209 ffio_wfourcc(pb, "d263");
1210 ffio_wfourcc(pb, "FFMP");
1211 avio_w8(pb, 0); /* decoder version */
1212 /* FIXME use AVCodecContext level/profile, when encoder will set values */
1213 avio_w8(pb, 0xa); /* level */
1214 avio_w8(pb, 0); /* profile */
1218 static int mov_write_av1c_tag(AVIOContext *pb, MOVTrack *track)
1220 int64_t pos = avio_tell(pb);
1223 ffio_wfourcc(pb, "av1C");
1224 ff_isom_write_av1c(pb, track->vos_data, track->vos_len);
1225 return update_size(pb, pos);
1228 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
1230 int64_t pos = avio_tell(pb);
1233 ffio_wfourcc(pb, "avcC");
1234 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
1235 return update_size(pb, pos);
1238 static int mov_write_vpcc_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
1240 int64_t pos = avio_tell(pb);
1243 ffio_wfourcc(pb, "vpcC");
1244 avio_w8(pb, 1); /* version */
1245 avio_wb24(pb, 0); /* flags */
1246 ff_isom_write_vpcc(s, pb, track->par);
1247 return update_size(pb, pos);
1250 static int mov_write_hvcc_tag(AVIOContext *pb, MOVTrack *track)
1252 int64_t pos = avio_tell(pb);
1255 ffio_wfourcc(pb, "hvcC");
1256 if (track->tag == MKTAG('h','v','c','1'))
1257 ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 1);
1259 ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 0);
1260 return update_size(pb, pos);
1263 /* also used by all avid codecs (dv, imx, meridien) and their variants */
1264 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
1269 int display_width = track->par->width;
1271 if (track->vos_data && track->vos_len > 0x29) {
1272 if (ff_dnxhd_parse_header_prefix(track->vos_data) != 0) {
1273 /* looks like a DNxHD bit stream */
1274 interlaced = (track->vos_data[5] & 2);
1275 cid = AV_RB32(track->vos_data + 0x28);
1277 av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream in vos_data\n");
1281 av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream, vos_data too small\n");
1285 avio_wb32(pb, 24); /* size */
1286 ffio_wfourcc(pb, "ACLR");
1287 ffio_wfourcc(pb, "ACLR");
1288 ffio_wfourcc(pb, "0001");
1289 if (track->par->color_range == AVCOL_RANGE_MPEG || /* Legal range (16-235) */
1290 track->par->color_range == AVCOL_RANGE_UNSPECIFIED) {
1291 avio_wb32(pb, 1); /* Corresponds to 709 in official encoder */
1292 } else { /* Full range (0-255) */
1293 avio_wb32(pb, 2); /* Corresponds to RGB in official encoder */
1295 avio_wb32(pb, 0); /* unknown */
1297 if (track->tag == MKTAG('A','V','d','h')) {
1299 ffio_wfourcc(pb, "ADHR");
1300 ffio_wfourcc(pb, "0001");
1302 avio_wb32(pb, 0); /* unknown */
1303 avio_wb32(pb, 1); /* unknown */
1304 avio_wb32(pb, 0); /* unknown */
1305 avio_wb32(pb, 0); /* unknown */
1309 avio_wb32(pb, 24); /* size */
1310 ffio_wfourcc(pb, "APRG");
1311 ffio_wfourcc(pb, "APRG");
1312 ffio_wfourcc(pb, "0001");
1313 avio_wb32(pb, 1); /* unknown */
1314 avio_wb32(pb, 0); /* unknown */
1316 avio_wb32(pb, 120); /* size */
1317 ffio_wfourcc(pb, "ARES");
1318 ffio_wfourcc(pb, "ARES");
1319 ffio_wfourcc(pb, "0001");
1320 avio_wb32(pb, cid); /* dnxhd cid, some id ? */
1321 if ( track->par->sample_aspect_ratio.num > 0
1322 && track->par->sample_aspect_ratio.den > 0)
1323 display_width = display_width * track->par->sample_aspect_ratio.num / track->par->sample_aspect_ratio.den;
1324 avio_wb32(pb, display_width);
1325 /* values below are based on samples created with quicktime and avid codecs */
1327 avio_wb32(pb, track->par->height / 2);
1328 avio_wb32(pb, 2); /* unknown */
1329 avio_wb32(pb, 0); /* unknown */
1330 avio_wb32(pb, 4); /* unknown */
1332 avio_wb32(pb, track->par->height);
1333 avio_wb32(pb, 1); /* unknown */
1334 avio_wb32(pb, 0); /* unknown */
1335 if (track->par->height == 1080)
1336 avio_wb32(pb, 5); /* unknown */
1338 avio_wb32(pb, 6); /* unknown */
1341 for (i = 0; i < 10; i++)
1347 static int mov_write_dpxe_tag(AVIOContext *pb, MOVTrack *track)
1350 ffio_wfourcc(pb, "DpxE");
1351 if (track->par->extradata_size >= 12 &&
1352 !memcmp(&track->par->extradata[4], "DpxE", 4)) {
1353 avio_wb32(pb, track->par->extradata[11]);
1360 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
1364 if (track->par->width == 720) { /* SD */
1365 if (track->par->height == 480) { /* NTSC */
1366 if (track->par->format == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
1367 else tag = MKTAG('d','v','c',' ');
1368 }else if (track->par->format == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
1369 else if (track->par->format == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
1370 else tag = MKTAG('d','v','p','p');
1371 } else if (track->par->height == 720) { /* HD 720 line */
1372 if (track->st->time_base.den == 50) tag = MKTAG('d','v','h','q');
1373 else tag = MKTAG('d','v','h','p');
1374 } else if (track->par->height == 1080) { /* HD 1080 line */
1375 if (track->st->time_base.den == 25) tag = MKTAG('d','v','h','5');
1376 else tag = MKTAG('d','v','h','6');
1378 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
1385 static AVRational find_fps(AVFormatContext *s, AVStream *st)
1387 AVRational rate = st->avg_frame_rate;
1389 #if FF_API_LAVF_AVCTX
1390 FF_DISABLE_DEPRECATION_WARNINGS
1391 rate = av_inv_q(st->codec->time_base);
1392 if (av_timecode_check_frame_rate(rate) < 0) {
1393 av_log(s, AV_LOG_DEBUG, "timecode: tbc=%d/%d invalid, fallback on %d/%d\n",
1394 rate.num, rate.den, st->avg_frame_rate.num, st->avg_frame_rate.den);
1395 rate = st->avg_frame_rate;
1397 FF_ENABLE_DEPRECATION_WARNINGS
1403 static int defined_frame_rate(AVFormatContext *s, AVStream *st)
1405 AVRational rational_framerate = find_fps(s, st);
1407 if (rational_framerate.den != 0)
1408 rate = av_q2d(rational_framerate);
1412 static int mov_get_mpeg2_xdcam_codec_tag(AVFormatContext *s, MOVTrack *track)
1414 int tag = track->par->codec_tag;
1415 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1416 AVStream *st = track->st;
1417 int rate = defined_frame_rate(s, st);
1420 tag = MKTAG('m', '2', 'v', '1'); //fallback tag
1422 if (track->par->format == AV_PIX_FMT_YUV420P) {
1423 if (track->par->width == 1280 && track->par->height == 720) {
1425 if (rate == 24) tag = MKTAG('x','d','v','4');
1426 else if (rate == 25) tag = MKTAG('x','d','v','5');
1427 else if (rate == 30) tag = MKTAG('x','d','v','1');
1428 else if (rate == 50) tag = MKTAG('x','d','v','a');
1429 else if (rate == 60) tag = MKTAG('x','d','v','9');
1431 } else if (track->par->width == 1440 && track->par->height == 1080) {
1433 if (rate == 24) tag = MKTAG('x','d','v','6');
1434 else if (rate == 25) tag = MKTAG('x','d','v','7');
1435 else if (rate == 30) tag = MKTAG('x','d','v','8');
1437 if (rate == 25) tag = MKTAG('x','d','v','3');
1438 else if (rate == 30) tag = MKTAG('x','d','v','2');
1440 } else if (track->par->width == 1920 && track->par->height == 1080) {
1442 if (rate == 24) tag = MKTAG('x','d','v','d');
1443 else if (rate == 25) tag = MKTAG('x','d','v','e');
1444 else if (rate == 30) tag = MKTAG('x','d','v','f');
1446 if (rate == 25) tag = MKTAG('x','d','v','c');
1447 else if (rate == 30) tag = MKTAG('x','d','v','b');
1450 } else if (track->par->format == AV_PIX_FMT_YUV422P) {
1451 if (track->par->width == 1280 && track->par->height == 720) {
1453 if (rate == 24) tag = MKTAG('x','d','5','4');
1454 else if (rate == 25) tag = MKTAG('x','d','5','5');
1455 else if (rate == 30) tag = MKTAG('x','d','5','1');
1456 else if (rate == 50) tag = MKTAG('x','d','5','a');
1457 else if (rate == 60) tag = MKTAG('x','d','5','9');
1459 } else if (track->par->width == 1920 && track->par->height == 1080) {
1461 if (rate == 24) tag = MKTAG('x','d','5','d');
1462 else if (rate == 25) tag = MKTAG('x','d','5','e');
1463 else if (rate == 30) tag = MKTAG('x','d','5','f');
1465 if (rate == 25) tag = MKTAG('x','d','5','c');
1466 else if (rate == 30) tag = MKTAG('x','d','5','b');
1474 static int mov_get_h264_codec_tag(AVFormatContext *s, MOVTrack *track)
1476 int tag = track->par->codec_tag;
1477 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1478 AVStream *st = track->st;
1479 int rate = defined_frame_rate(s, st);
1482 tag = MKTAG('a', 'v', 'c', 'i'); //fallback tag
1484 if (track->par->format == AV_PIX_FMT_YUV420P10) {
1485 if (track->par->width == 960 && track->par->height == 720) {
1487 if (rate == 24) tag = MKTAG('a','i','5','p');
1488 else if (rate == 25) tag = MKTAG('a','i','5','q');
1489 else if (rate == 30) tag = MKTAG('a','i','5','p');
1490 else if (rate == 50) tag = MKTAG('a','i','5','q');
1491 else if (rate == 60) tag = MKTAG('a','i','5','p');
1493 } else if (track->par->width == 1440 && track->par->height == 1080) {
1495 if (rate == 24) tag = MKTAG('a','i','5','3');
1496 else if (rate == 25) tag = MKTAG('a','i','5','2');
1497 else if (rate == 30) tag = MKTAG('a','i','5','3');
1499 if (rate == 50) tag = MKTAG('a','i','5','5');
1500 else if (rate == 60) tag = MKTAG('a','i','5','6');
1503 } else if (track->par->format == AV_PIX_FMT_YUV422P10) {
1504 if (track->par->width == 1280 && track->par->height == 720) {
1506 if (rate == 24) tag = MKTAG('a','i','1','p');
1507 else if (rate == 25) tag = MKTAG('a','i','1','q');
1508 else if (rate == 30) tag = MKTAG('a','i','1','p');
1509 else if (rate == 50) tag = MKTAG('a','i','1','q');
1510 else if (rate == 60) tag = MKTAG('a','i','1','p');
1512 } else if (track->par->width == 1920 && track->par->height == 1080) {
1514 if (rate == 24) tag = MKTAG('a','i','1','3');
1515 else if (rate == 25) tag = MKTAG('a','i','1','2');
1516 else if (rate == 30) tag = MKTAG('a','i','1','3');
1518 if (rate == 25) tag = MKTAG('a','i','1','5');
1519 else if (rate == 50) tag = MKTAG('a','i','1','5');
1520 else if (rate == 60) tag = MKTAG('a','i','1','6');
1522 } else if ( track->par->width == 4096 && track->par->height == 2160
1523 || track->par->width == 3840 && track->par->height == 2160
1524 || track->par->width == 2048 && track->par->height == 1080) {
1525 tag = MKTAG('a','i','v','x');
1532 static const struct {
1533 enum AVPixelFormat pix_fmt;
1536 } mov_pix_fmt_tags[] = {
1537 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','2'), 0 },
1538 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
1539 { AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
1540 { AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
1541 { AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
1542 { AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
1543 { AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
1544 { AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
1545 { AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
1546 { AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
1547 { AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
1548 { AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
1549 { AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
1550 { AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
1551 { AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
1554 static int mov_get_dnxhd_codec_tag(AVFormatContext *s, MOVTrack *track)
1556 int tag = MKTAG('A','V','d','n');
1557 if (track->par->profile != FF_PROFILE_UNKNOWN &&
1558 track->par->profile != FF_PROFILE_DNXHD)
1559 tag = MKTAG('A','V','d','h');
1563 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
1565 int tag = track->par->codec_tag;
1567 enum AVPixelFormat pix_fmt;
1569 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
1570 if (track->par->format == mov_pix_fmt_tags[i].pix_fmt) {
1571 tag = mov_pix_fmt_tags[i].tag;
1572 track->par->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
1573 if (track->par->codec_tag == mov_pix_fmt_tags[i].tag)
1578 pix_fmt = avpriv_find_pix_fmt(avpriv_pix_fmt_bps_mov,
1579 track->par->bits_per_coded_sample);
1580 if (tag == MKTAG('r','a','w',' ') &&
1581 track->par->format != pix_fmt &&
1582 track->par->format != AV_PIX_FMT_GRAY8 &&
1583 track->par->format != AV_PIX_FMT_NONE)
1584 av_log(s, AV_LOG_ERROR, "%s rawvideo cannot be written to mov, output file will be unreadable\n",
1585 av_get_pix_fmt_name(track->par->format));
1589 static unsigned int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1591 unsigned int tag = track->par->codec_tag;
1593 if (!tag || (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
1594 (track->par->codec_id == AV_CODEC_ID_DVVIDEO ||
1595 track->par->codec_id == AV_CODEC_ID_RAWVIDEO ||
1596 track->par->codec_id == AV_CODEC_ID_H263 ||
1597 track->par->codec_id == AV_CODEC_ID_H264 ||
1598 track->par->codec_id == AV_CODEC_ID_DNXHD ||
1599 track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO ||
1600 av_get_bits_per_sample(track->par->codec_id)))) { // pcm audio
1601 if (track->par->codec_id == AV_CODEC_ID_DVVIDEO)
1602 tag = mov_get_dv_codec_tag(s, track);
1603 else if (track->par->codec_id == AV_CODEC_ID_RAWVIDEO)
1604 tag = mov_get_rawvideo_codec_tag(s, track);
1605 else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO)
1606 tag = mov_get_mpeg2_xdcam_codec_tag(s, track);
1607 else if (track->par->codec_id == AV_CODEC_ID_H264)
1608 tag = mov_get_h264_codec_tag(s, track);
1609 else if (track->par->codec_id == AV_CODEC_ID_DNXHD)
1610 tag = mov_get_dnxhd_codec_tag(s, track);
1611 else if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
1612 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->par->codec_id);
1613 if (!tag) { // if no mac fcc found, try with Microsoft tags
1614 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->par->codec_id);
1616 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
1617 "the file may be unplayable!\n");
1619 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
1620 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->par->codec_id);
1621 if (!tag) { // if no mac fcc found, try with Microsoft tags
1622 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->par->codec_id);
1624 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
1625 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
1626 "the file may be unplayable!\n");
1629 } else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)
1630 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->par->codec_id);
1636 static const AVCodecTag codec_cover_image_tags[] = {
1637 { AV_CODEC_ID_MJPEG, 0xD },
1638 { AV_CODEC_ID_PNG, 0xE },
1639 { AV_CODEC_ID_BMP, 0x1B },
1640 { AV_CODEC_ID_NONE, 0 },
1643 static unsigned int validate_codec_tag(const AVCodecTag *const *tags,
1644 unsigned int tag, int codec_id)
1649 * Check that tag + id is in the table
1651 for (i = 0; tags && tags[i]; i++) {
1652 const AVCodecTag *codec_tags = tags[i];
1653 while (codec_tags->id != AV_CODEC_ID_NONE) {
1654 if (avpriv_toupper4(codec_tags->tag) == avpriv_toupper4(tag) &&
1655 codec_tags->id == codec_id)
1656 return codec_tags->tag;
1663 static unsigned int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
1665 if (is_cover_image(track->st))
1666 return ff_codec_get_tag(codec_cover_image_tags, track->par->codec_id);
1668 if (track->mode == MODE_IPOD)
1669 if (!av_match_ext(s->url, "m4a") &&
1670 !av_match_ext(s->url, "m4v") &&
1671 !av_match_ext(s->url, "m4b"))
1672 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
1673 "Quicktime/Ipod might not play the file\n");
1675 if (track->mode == MODE_MOV) {
1676 return mov_get_codec_tag(s, track);
1678 return validate_codec_tag(s->oformat->codec_tag, track->par->codec_tag,
1679 track->par->codec_id);
1682 /** Write uuid atom.
1683 * Needed to make file play in iPods running newest firmware
1684 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
1686 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
1689 ffio_wfourcc(pb, "uuid");
1690 avio_wb32(pb, 0x6b6840f2);
1691 avio_wb32(pb, 0x5f244fc5);
1692 avio_wb32(pb, 0xba39a51b);
1693 avio_wb32(pb, 0xcf0323f3);
1698 static const uint16_t fiel_data[] = {
1699 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
1702 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track, int field_order)
1704 unsigned mov_field_order = 0;
1705 if (field_order < FF_ARRAY_ELEMS(fiel_data))
1706 mov_field_order = fiel_data[field_order];
1710 ffio_wfourcc(pb, "fiel");
1711 avio_wb16(pb, mov_field_order);
1715 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
1717 int64_t pos = avio_tell(pb);
1718 avio_wb32(pb, 0); /* size */
1719 avio_wl32(pb, track->tag); // store it byteswapped
1720 avio_wb32(pb, 0); /* Reserved */
1721 avio_wb16(pb, 0); /* Reserved */
1722 avio_wb16(pb, 1); /* Data-reference index */
1724 if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
1725 mov_write_esds_tag(pb, track);
1726 else if (track->par->extradata_size)
1727 avio_write(pb, track->par->extradata, track->par->extradata_size);
1729 return update_size(pb, pos);
1732 static int mov_write_st3d_tag(AVFormatContext *s, AVIOContext *pb, AVStereo3D *stereo_3d)
1736 if (stereo_3d->flags != 0) {
1737 av_log(s, AV_LOG_WARNING, "Unsupported stereo_3d flags %x. st3d not written.\n", stereo_3d->flags);
1741 switch (stereo_3d->type) {
1742 case AV_STEREO3D_2D:
1745 case AV_STEREO3D_TOPBOTTOM:
1748 case AV_STEREO3D_SIDEBYSIDE:
1752 av_log(s, AV_LOG_WARNING, "Unsupported stereo_3d type %s. st3d not written.\n", av_stereo3d_type_name(stereo_3d->type));
1755 avio_wb32(pb, 13); /* size */
1756 ffio_wfourcc(pb, "st3d");
1757 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1758 avio_w8(pb, stereo_mode);
1762 static int mov_write_sv3d_tag(AVFormatContext *s, AVIOContext *pb, AVSphericalMapping *spherical_mapping)
1764 int64_t sv3d_pos, svhd_pos, proj_pos;
1765 const char* metadata_source = s->flags & AVFMT_FLAG_BITEXACT ? "Lavf" : LIBAVFORMAT_IDENT;
1767 if (spherical_mapping->projection != AV_SPHERICAL_EQUIRECTANGULAR &&
1768 spherical_mapping->projection != AV_SPHERICAL_EQUIRECTANGULAR_TILE &&
1769 spherical_mapping->projection != AV_SPHERICAL_CUBEMAP) {
1770 av_log(s, AV_LOG_WARNING, "Unsupported projection %d. sv3d not written.\n", spherical_mapping->projection);
1774 sv3d_pos = avio_tell(pb);
1775 avio_wb32(pb, 0); /* size */
1776 ffio_wfourcc(pb, "sv3d");
1778 svhd_pos = avio_tell(pb);
1779 avio_wb32(pb, 0); /* size */
1780 ffio_wfourcc(pb, "svhd");
1781 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1782 avio_put_str(pb, metadata_source);
1783 update_size(pb, svhd_pos);
1785 proj_pos = avio_tell(pb);
1786 avio_wb32(pb, 0); /* size */
1787 ffio_wfourcc(pb, "proj");
1789 avio_wb32(pb, 24); /* size */
1790 ffio_wfourcc(pb, "prhd");
1791 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1792 avio_wb32(pb, spherical_mapping->yaw);
1793 avio_wb32(pb, spherical_mapping->pitch);
1794 avio_wb32(pb, spherical_mapping->roll);
1796 switch (spherical_mapping->projection) {
1797 case AV_SPHERICAL_EQUIRECTANGULAR:
1798 case AV_SPHERICAL_EQUIRECTANGULAR_TILE:
1799 avio_wb32(pb, 28); /* size */
1800 ffio_wfourcc(pb, "equi");
1801 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1802 avio_wb32(pb, spherical_mapping->bound_top);
1803 avio_wb32(pb, spherical_mapping->bound_bottom);
1804 avio_wb32(pb, spherical_mapping->bound_left);
1805 avio_wb32(pb, spherical_mapping->bound_right);
1807 case AV_SPHERICAL_CUBEMAP:
1808 avio_wb32(pb, 20); /* size */
1809 ffio_wfourcc(pb, "cbmp");
1810 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1811 avio_wb32(pb, 0); /* layout */
1812 avio_wb32(pb, spherical_mapping->padding); /* padding */
1815 update_size(pb, proj_pos);
1817 return update_size(pb, sv3d_pos);
1820 static int mov_write_clap_tag(AVIOContext *pb, MOVTrack *track)
1823 ffio_wfourcc(pb, "clap");
1824 avio_wb32(pb, track->par->width); /* apertureWidth_N */
1825 avio_wb32(pb, 1); /* apertureWidth_D (= 1) */
1826 avio_wb32(pb, track->height); /* apertureHeight_N */
1827 avio_wb32(pb, 1); /* apertureHeight_D (= 1) */
1828 avio_wb32(pb, 0); /* horizOff_N (= 0) */
1829 avio_wb32(pb, 1); /* horizOff_D (= 1) */
1830 avio_wb32(pb, 0); /* vertOff_N (= 0) */
1831 avio_wb32(pb, 1); /* vertOff_D (= 1) */
1835 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
1838 av_reduce(&sar.num, &sar.den, track->par->sample_aspect_ratio.num,
1839 track->par->sample_aspect_ratio.den, INT_MAX);
1842 ffio_wfourcc(pb, "pasp");
1843 avio_wb32(pb, sar.num);
1844 avio_wb32(pb, sar.den);
1848 static int mov_write_gama_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track, double gamma)
1852 gamma = avpriv_get_gamma_from_trc(track->par->color_trc);
1854 av_log(s, AV_LOG_DEBUG, "gamma value %g\n", gamma);
1857 gama = (uint32_t)lrint((double)(1<<16) * gamma);
1858 av_log(s, AV_LOG_DEBUG, "writing gama value %"PRId32"\n", gama);
1860 av_assert0(track->mode == MODE_MOV);
1862 ffio_wfourcc(pb, "gama");
1863 avio_wb32(pb, gama);
1866 av_log(s, AV_LOG_WARNING, "gamma value unknown, unable to write gama atom\n");
1871 static int mov_write_colr_tag(AVIOContext *pb, MOVTrack *track, int prefer_icc)
1873 int64_t pos = avio_tell(pb);
1875 // Ref (MOV): https://developer.apple.com/library/mac/technotes/tn2162/_index.html#//apple_ref/doc/uid/DTS40013070-CH1-TNTAG9
1876 // Ref (MP4): ISO/IEC 14496-12:2012
1878 const uint8_t *icc_profile;
1879 int icc_profile_size;
1882 icc_profile = av_stream_get_side_data(track->st, AV_PKT_DATA_ICC_PROFILE, &icc_profile_size);
1885 avio_wb32(pb, 12 + icc_profile_size);
1886 ffio_wfourcc(pb, "colr");
1887 ffio_wfourcc(pb, "prof");
1888 avio_write(pb, icc_profile, icc_profile_size);
1889 return 12 + icc_profile_size;
1892 av_log(NULL, AV_LOG_INFO, "no ICC profile found, will write nclx/nclc colour info instead\n");
1896 if (track->par->color_primaries == AVCOL_PRI_UNSPECIFIED &&
1897 track->par->color_trc == AVCOL_TRC_UNSPECIFIED &&
1898 track->par->color_space == AVCOL_SPC_UNSPECIFIED) {
1899 if ((track->par->width >= 1920 && track->par->height >= 1080)
1900 || (track->par->width == 1280 && track->par->height == 720)) {
1901 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming bt709\n");
1902 track->par->color_primaries = AVCOL_PRI_BT709;
1903 } else if (track->par->width == 720 && track->height == 576) {
1904 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming bt470bg\n");
1905 track->par->color_primaries = AVCOL_PRI_BT470BG;
1906 } else if (track->par->width == 720 &&
1907 (track->height == 486 || track->height == 480)) {
1908 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming smpte170\n");
1909 track->par->color_primaries = AVCOL_PRI_SMPTE170M;
1911 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, unable to assume anything\n");
1913 switch (track->par->color_primaries) {
1914 case AVCOL_PRI_BT709:
1915 track->par->color_trc = AVCOL_TRC_BT709;
1916 track->par->color_space = AVCOL_SPC_BT709;
1918 case AVCOL_PRI_SMPTE170M:
1919 case AVCOL_PRI_BT470BG:
1920 track->par->color_trc = AVCOL_TRC_BT709;
1921 track->par->color_space = AVCOL_SPC_SMPTE170M;
1926 /* We should only ever be called by MOV or MP4. */
1927 av_assert0(track->mode == MODE_MOV || track->mode == MODE_MP4);
1929 avio_wb32(pb, 0); /* size */
1930 ffio_wfourcc(pb, "colr");
1931 if (track->mode == MODE_MP4)
1932 ffio_wfourcc(pb, "nclx");
1934 ffio_wfourcc(pb, "nclc");
1935 avio_wb16(pb, track->par->color_primaries);
1936 avio_wb16(pb, track->par->color_trc);
1937 avio_wb16(pb, track->par->color_space);
1938 if (track->mode == MODE_MP4) {
1939 int full_range = track->par->color_range == AVCOL_RANGE_JPEG;
1940 avio_w8(pb, full_range << 7);
1943 return update_size(pb, pos);
1946 static int mov_write_clli_tag(AVIOContext *pb, MOVTrack *track)
1948 const uint8_t *side_data;
1949 const AVContentLightMetadata *content_light_metadata;
1951 side_data = av_stream_get_side_data(track->st, AV_PKT_DATA_CONTENT_LIGHT_LEVEL, NULL);
1953 av_log(NULL, AV_LOG_WARNING, "Not writing 'clli' atom. No content light level info.\n");
1956 content_light_metadata = (const AVContentLightMetadata*)side_data;
1958 avio_wb32(pb, 12); // size
1959 ffio_wfourcc(pb, "clli");
1960 avio_wb16(pb, content_light_metadata->MaxCLL);
1961 avio_wb16(pb, content_light_metadata->MaxFALL);
1965 static void find_compressor(char * compressor_name, int len, MOVTrack *track)
1967 AVDictionaryEntry *encoder;
1968 int xdcam_res = (track->par->width == 1280 && track->par->height == 720)
1969 || (track->par->width == 1440 && track->par->height == 1080)
1970 || (track->par->width == 1920 && track->par->height == 1080);
1972 if (track->mode == MODE_MOV &&
1973 (encoder = av_dict_get(track->st->metadata, "encoder", NULL, 0))) {
1974 av_strlcpy(compressor_name, encoder->value, 32);
1975 } else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO && xdcam_res) {
1976 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1977 AVStream *st = track->st;
1978 int rate = defined_frame_rate(NULL, st);
1979 av_strlcatf(compressor_name, len, "XDCAM");
1980 if (track->par->format == AV_PIX_FMT_YUV422P) {
1981 av_strlcatf(compressor_name, len, " HD422");
1982 } else if(track->par->width == 1440) {
1983 av_strlcatf(compressor_name, len, " HD");
1985 av_strlcatf(compressor_name, len, " EX");
1987 av_strlcatf(compressor_name, len, " %d%c", track->par->height, interlaced ? 'i' : 'p');
1989 av_strlcatf(compressor_name, len, "%d", rate * (interlaced + 1));
1993 static int mov_write_video_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
1995 int64_t pos = avio_tell(pb);
1996 char compressor_name[32] = { 0 };
1999 int uncompressed_ycbcr = ((track->par->codec_id == AV_CODEC_ID_RAWVIDEO && track->par->format == AV_PIX_FMT_UYVY422)
2000 || (track->par->codec_id == AV_CODEC_ID_RAWVIDEO && track->par->format == AV_PIX_FMT_YUYV422)
2001 || track->par->codec_id == AV_CODEC_ID_V308
2002 || track->par->codec_id == AV_CODEC_ID_V408
2003 || track->par->codec_id == AV_CODEC_ID_V410
2004 || track->par->codec_id == AV_CODEC_ID_V210);
2006 avio_wb32(pb, 0); /* size */
2007 if (mov->encryption_scheme != MOV_ENC_NONE) {
2008 ffio_wfourcc(pb, "encv");
2010 avio_wl32(pb, track->tag); // store it byteswapped
2012 avio_wb32(pb, 0); /* Reserved */
2013 avio_wb16(pb, 0); /* Reserved */
2014 avio_wb16(pb, 1); /* Data-reference index */
2016 if (uncompressed_ycbcr) {
2017 avio_wb16(pb, 2); /* Codec stream version */
2019 avio_wb16(pb, 0); /* Codec stream version */
2021 avio_wb16(pb, 0); /* Codec stream revision (=0) */
2022 if (track->mode == MODE_MOV) {
2023 ffio_wfourcc(pb, "FFMP"); /* Vendor */
2024 if (track->par->codec_id == AV_CODEC_ID_RAWVIDEO || uncompressed_ycbcr) {
2025 avio_wb32(pb, 0); /* Temporal Quality */
2026 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
2028 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
2029 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
2032 avio_wb32(pb, 0); /* Reserved */
2033 avio_wb32(pb, 0); /* Reserved */
2034 avio_wb32(pb, 0); /* Reserved */
2036 avio_wb16(pb, track->par->width); /* Video width */
2037 avio_wb16(pb, track->height); /* Video height */
2038 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
2039 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
2040 avio_wb32(pb, 0); /* Data size (= 0) */
2041 avio_wb16(pb, 1); /* Frame count (= 1) */
2043 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
2044 find_compressor(compressor_name, 32, track);
2045 avio_w8(pb, strlen(compressor_name));
2046 avio_write(pb, compressor_name, 31);
2048 if (track->mode == MODE_MOV &&
2049 (track->par->codec_id == AV_CODEC_ID_V410 || track->par->codec_id == AV_CODEC_ID_V210))
2050 avio_wb16(pb, 0x18);
2051 else if (track->mode == MODE_MOV && track->par->bits_per_coded_sample)
2052 avio_wb16(pb, track->par->bits_per_coded_sample |
2053 (track->par->format == AV_PIX_FMT_GRAY8 ? 0x20 : 0));
2055 avio_wb16(pb, 0x18); /* Reserved */
2057 if (track->mode == MODE_MOV && track->par->format == AV_PIX_FMT_PAL8) {
2058 int pal_size = 1 << track->par->bits_per_coded_sample;
2060 avio_wb16(pb, 0); /* Color table ID */
2061 avio_wb32(pb, 0); /* Color table seed */
2062 avio_wb16(pb, 0x8000); /* Color table flags */
2063 avio_wb16(pb, pal_size - 1); /* Color table size (zero-relative) */
2064 for (i = 0; i < pal_size; i++) {
2065 uint32_t rgb = track->palette[i];
2066 uint16_t r = (rgb >> 16) & 0xff;
2067 uint16_t g = (rgb >> 8) & 0xff;
2068 uint16_t b = rgb & 0xff;
2070 avio_wb16(pb, (r << 8) | r);
2071 avio_wb16(pb, (g << 8) | g);
2072 avio_wb16(pb, (b << 8) | b);
2075 avio_wb16(pb, 0xffff); /* Reserved */
2077 if (track->tag == MKTAG('m','p','4','v'))
2078 mov_write_esds_tag(pb, track);
2079 else if (track->par->codec_id == AV_CODEC_ID_H263)
2080 mov_write_d263_tag(pb);
2081 else if (track->par->codec_id == AV_CODEC_ID_AVUI ||
2082 track->par->codec_id == AV_CODEC_ID_SVQ3) {
2083 mov_write_extradata_tag(pb, track);
2085 } else if (track->par->codec_id == AV_CODEC_ID_DNXHD) {
2086 mov_write_avid_tag(pb, track);
2088 } else if (track->par->codec_id == AV_CODEC_ID_HEVC)
2089 mov_write_hvcc_tag(pb, track);
2090 else if (track->par->codec_id == AV_CODEC_ID_H264 && !TAG_IS_AVCI(track->tag)) {
2091 mov_write_avcc_tag(pb, track);
2092 if (track->mode == MODE_IPOD)
2093 mov_write_uuid_tag_ipod(pb);
2094 } else if (track->par->codec_id == AV_CODEC_ID_VP9) {
2095 mov_write_vpcc_tag(mov->fc, pb, track);
2096 } else if (track->par->codec_id == AV_CODEC_ID_AV1) {
2097 mov_write_av1c_tag(pb, track);
2098 } else if (track->par->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
2099 mov_write_dvc1_tag(pb, track);
2100 else if (track->par->codec_id == AV_CODEC_ID_VP6F ||
2101 track->par->codec_id == AV_CODEC_ID_VP6A) {
2102 /* Don't write any potential extradata here - the cropping
2103 * is signalled via the normal width/height fields. */
2104 } else if (track->par->codec_id == AV_CODEC_ID_R10K) {
2105 if (track->par->codec_tag == MKTAG('R','1','0','k'))
2106 mov_write_dpxe_tag(pb, track);
2107 } else if (track->vos_len > 0)
2108 mov_write_glbl_tag(pb, track);
2110 if (track->par->codec_id != AV_CODEC_ID_H264 &&
2111 track->par->codec_id != AV_CODEC_ID_MPEG4 &&
2112 track->par->codec_id != AV_CODEC_ID_DNXHD) {
2113 int field_order = track->par->field_order;
2115 #if FF_API_LAVF_AVCTX
2116 FF_DISABLE_DEPRECATION_WARNINGS
2117 if (field_order != track->st->codec->field_order && track->st->codec->field_order != AV_FIELD_UNKNOWN)
2118 field_order = track->st->codec->field_order;
2119 FF_ENABLE_DEPRECATION_WARNINGS
2122 if (field_order != AV_FIELD_UNKNOWN)
2123 mov_write_fiel_tag(pb, track, field_order);
2126 if (mov->flags & FF_MOV_FLAG_WRITE_GAMA) {
2127 if (track->mode == MODE_MOV)
2128 mov_write_gama_tag(s, pb, track, mov->gamma);
2130 av_log(mov->fc, AV_LOG_WARNING, "Not writing 'gama' atom. Format is not MOV.\n");
2132 if (mov->flags & FF_MOV_FLAG_WRITE_COLR) {
2133 if (track->mode == MODE_MOV || track->mode == MODE_MP4)
2134 mov_write_colr_tag(pb, track, mov->flags & FF_MOV_FLAG_PREFER_ICC);
2136 av_log(mov->fc, AV_LOG_WARNING, "Not writing 'colr' atom. Format is not MOV or MP4.\n");
2138 if (mov->flags & FF_MOV_FLAG_WRITE_CLLI) {
2139 if (track->mode == MODE_MOV || track->mode == MODE_MP4)
2140 mov_write_clli_tag(pb, track);
2142 av_log(mov->fc, AV_LOG_WARNING, "Not writing 'clli' atom. Format is not MOV or MP4.\n");
2145 if (track->mode == MODE_MP4 && mov->fc->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
2146 AVStereo3D* stereo_3d = (AVStereo3D*) av_stream_get_side_data(track->st, AV_PKT_DATA_STEREO3D, NULL);
2147 AVSphericalMapping* spherical_mapping = (AVSphericalMapping*)av_stream_get_side_data(track->st, AV_PKT_DATA_SPHERICAL, NULL);
2150 mov_write_st3d_tag(s, pb, stereo_3d);
2151 if (spherical_mapping)
2152 mov_write_sv3d_tag(mov->fc, pb, spherical_mapping);
2155 if (track->par->sample_aspect_ratio.den && track->par->sample_aspect_ratio.num) {
2156 mov_write_pasp_tag(pb, track);
2159 if (uncompressed_ycbcr){
2160 mov_write_clap_tag(pb, track);
2163 if (mov->encryption_scheme != MOV_ENC_NONE) {
2164 ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid);
2167 /* extra padding for avid stsd */
2168 /* https://developer.apple.com/library/mac/documentation/QuickTime/QTFF/QTFFChap2/qtff2.html#//apple_ref/doc/uid/TP40000939-CH204-61112 */
2172 return update_size(pb, pos);
2175 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
2177 int64_t pos = avio_tell(pb);
2178 avio_wb32(pb, 0); /* size */
2179 ffio_wfourcc(pb, "rtp ");
2180 avio_wb32(pb, 0); /* Reserved */
2181 avio_wb16(pb, 0); /* Reserved */
2182 avio_wb16(pb, 1); /* Data-reference index */
2184 avio_wb16(pb, 1); /* Hint track version */
2185 avio_wb16(pb, 1); /* Highest compatible version */
2186 avio_wb32(pb, track->max_packet_size); /* Max packet size */
2188 avio_wb32(pb, 12); /* size */
2189 ffio_wfourcc(pb, "tims");
2190 avio_wb32(pb, track->timescale);
2192 return update_size(pb, pos);
2195 static int mov_write_source_reference_tag(AVIOContext *pb, MOVTrack *track, const char *reel_name)
2197 uint64_t str_size =strlen(reel_name);
2198 int64_t pos = avio_tell(pb);
2200 if (str_size >= UINT16_MAX){
2201 av_log(NULL, AV_LOG_ERROR, "reel_name length %"PRIu64" is too large\n", str_size);
2203 return AVERROR(EINVAL);
2206 avio_wb32(pb, 0); /* size */
2207 ffio_wfourcc(pb, "name"); /* Data format */
2208 avio_wb16(pb, str_size); /* string size */
2209 avio_wb16(pb, track->language); /* langcode */
2210 avio_write(pb, reel_name, str_size); /* reel name */
2211 return update_size(pb,pos);
2214 static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
2216 int64_t pos = avio_tell(pb);
2220 AVDictionaryEntry *t = NULL;
2222 if (!track->st->avg_frame_rate.num || !track->st->avg_frame_rate.den) {
2223 #if FF_API_LAVF_AVCTX
2224 FF_DISABLE_DEPRECATION_WARNINGS
2225 frame_duration = av_rescale(track->timescale, track->st->codec->time_base.num, track->st->codec->time_base.den);
2226 nb_frames = ROUNDED_DIV(track->st->codec->time_base.den, track->st->codec->time_base.num);
2227 FF_ENABLE_DEPRECATION_WARNINGS
2229 av_log(NULL, AV_LOG_ERROR, "avg_frame_rate not set for tmcd track.\n");
2230 return AVERROR(EINVAL);
2233 frame_duration = av_rescale(track->timescale, track->st->avg_frame_rate.num, track->st->avg_frame_rate.den);
2234 nb_frames = ROUNDED_DIV(track->st->avg_frame_rate.den, track->st->avg_frame_rate.num);
2237 if (nb_frames > 255) {
2238 av_log(NULL, AV_LOG_ERROR, "fps %d is too large\n", nb_frames);
2239 return AVERROR(EINVAL);
2242 avio_wb32(pb, 0); /* size */
2243 ffio_wfourcc(pb, "tmcd"); /* Data format */
2244 avio_wb32(pb, 0); /* Reserved */
2245 avio_wb32(pb, 1); /* Data reference index */
2246 avio_wb32(pb, 0); /* Flags */
2247 avio_wb32(pb, track->timecode_flags); /* Flags (timecode) */
2248 avio_wb32(pb, track->timescale); /* Timescale */
2249 avio_wb32(pb, frame_duration); /* Frame duration */
2250 avio_w8(pb, nb_frames); /* Number of frames */
2251 avio_w8(pb, 0); /* Reserved */
2253 t = av_dict_get(track->st->metadata, "reel_name", NULL, 0);
2254 if (t && utf8len(t->value) && track->mode != MODE_MP4)
2255 mov_write_source_reference_tag(pb, track, t->value);
2257 avio_wb16(pb, 0); /* zero size */
2260 avio_wb32(pb, 0); /* size */
2261 ffio_wfourcc(pb, "tmcd"); /* Data format */
2262 avio_wb32(pb, 0); /* Reserved */
2263 avio_wb32(pb, 1); /* Data reference index */
2264 if (track->par->extradata_size)
2265 avio_write(pb, track->par->extradata, track->par->extradata_size);
2267 return update_size(pb, pos);
2270 static int mov_write_gpmd_tag(AVIOContext *pb, const MOVTrack *track)
2272 int64_t pos = avio_tell(pb);
2273 avio_wb32(pb, 0); /* size */
2274 ffio_wfourcc(pb, "gpmd");
2275 avio_wb32(pb, 0); /* Reserved */
2276 avio_wb16(pb, 0); /* Reserved */
2277 avio_wb16(pb, 1); /* Data-reference index */
2278 avio_wb32(pb, 0); /* Reserved */
2279 return update_size(pb, pos);
2282 static int mov_write_stsd_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2284 int64_t pos = avio_tell(pb);
2286 avio_wb32(pb, 0); /* size */
2287 ffio_wfourcc(pb, "stsd");
2288 avio_wb32(pb, 0); /* version & flags */
2289 avio_wb32(pb, 1); /* entry count */
2290 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO)
2291 ret = mov_write_video_tag(s, pb, mov, track);
2292 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2293 ret = mov_write_audio_tag(s, pb, mov, track);
2294 else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)
2295 ret = mov_write_subtitle_tag(pb, track);
2296 else if (track->par->codec_tag == MKTAG('r','t','p',' '))
2297 ret = mov_write_rtp_tag(pb, track);
2298 else if (track->par->codec_tag == MKTAG('t','m','c','d'))
2299 ret = mov_write_tmcd_tag(pb, track);
2300 else if (track->par->codec_tag == MKTAG('g','p','m','d'))
2301 ret = mov_write_gpmd_tag(pb, track);
2306 return update_size(pb, pos);
2309 static int mov_write_ctts_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
2311 MOVMuxContext *mov = s->priv_data;
2312 MOVStts *ctts_entries;
2313 uint32_t entries = 0;
2317 ctts_entries = av_malloc_array((track->entry + 1), sizeof(*ctts_entries)); /* worst case */
2319 return AVERROR(ENOMEM);
2320 ctts_entries[0].count = 1;
2321 ctts_entries[0].duration = track->cluster[0].cts;
2322 for (i = 1; i < track->entry; i++) {
2323 if (track->cluster[i].cts == ctts_entries[entries].duration) {
2324 ctts_entries[entries].count++; /* compress */
2327 ctts_entries[entries].duration = track->cluster[i].cts;
2328 ctts_entries[entries].count = 1;
2331 entries++; /* last one */
2332 atom_size = 16 + (entries * 8);
2333 avio_wb32(pb, atom_size); /* size */
2334 ffio_wfourcc(pb, "ctts");
2335 if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
2336 avio_w8(pb, 1); /* version */
2338 avio_w8(pb, 0); /* version */
2339 avio_wb24(pb, 0); /* flags */
2340 avio_wb32(pb, entries); /* entry count */
2341 for (i = 0; i < entries; i++) {
2342 avio_wb32(pb, ctts_entries[i].count);
2343 avio_wb32(pb, ctts_entries[i].duration);
2345 av_free(ctts_entries);
2349 /* Time to sample atom */
2350 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
2352 MOVStts *stts_entries = NULL;
2353 uint32_t entries = -1;
2357 if (track->par->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
2358 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
2360 return AVERROR(ENOMEM);
2361 stts_entries[0].count = track->sample_count;
2362 stts_entries[0].duration = 1;
2366 stts_entries = av_malloc_array(track->entry, sizeof(*stts_entries)); /* worst case */
2368 return AVERROR(ENOMEM);
2370 for (i = 0; i < track->entry; i++) {
2371 int duration = get_cluster_duration(track, i);
2372 if (i && duration == stts_entries[entries].duration) {
2373 stts_entries[entries].count++; /* compress */
2376 stts_entries[entries].duration = duration;
2377 stts_entries[entries].count = 1;
2380 entries++; /* last one */
2382 atom_size = 16 + (entries * 8);
2383 avio_wb32(pb, atom_size); /* size */
2384 ffio_wfourcc(pb, "stts");
2385 avio_wb32(pb, 0); /* version & flags */
2386 avio_wb32(pb, entries); /* entry count */
2387 for (i = 0; i < entries; i++) {
2388 avio_wb32(pb, stts_entries[i].count);
2389 avio_wb32(pb, stts_entries[i].duration);
2391 av_free(stts_entries);
2395 static int mov_write_dref_tag(AVIOContext *pb)
2397 avio_wb32(pb, 28); /* size */
2398 ffio_wfourcc(pb, "dref");
2399 avio_wb32(pb, 0); /* version & flags */
2400 avio_wb32(pb, 1); /* entry count */
2402 avio_wb32(pb, 0xc); /* size */
2403 //FIXME add the alis and rsrc atom
2404 ffio_wfourcc(pb, "url ");
2405 avio_wb32(pb, 1); /* version & flags */
2410 static int mov_preroll_write_stbl_atoms(AVIOContext *pb, MOVTrack *track)
2414 int16_t roll_distance;
2415 int group_description_index;
2418 struct sgpd_entry *sgpd_entries = NULL;
2423 const int OPUS_SEEK_PREROLL_MS = 80;
2424 int roll_samples = av_rescale_q(OPUS_SEEK_PREROLL_MS,
2425 (AVRational){1, 1000},
2426 (AVRational){1, 48000});
2431 sgpd_entries = av_malloc_array(track->entry, sizeof(*sgpd_entries));
2433 return AVERROR(ENOMEM);
2435 av_assert0(track->par->codec_id == AV_CODEC_ID_OPUS || track->par->codec_id == AV_CODEC_ID_AAC);
2437 if (track->par->codec_id == AV_CODEC_ID_OPUS) {
2438 for (i = 0; i < track->entry; i++) {
2439 int roll_samples_remaining = roll_samples;
2441 for (j = i - 1; j >= 0; j--) {
2442 roll_samples_remaining -= get_cluster_duration(track, j);
2444 if (roll_samples_remaining <= 0)
2447 /* We don't have enough preceeding samples to compute a valid
2448 roll_distance here, so this sample can't be independently
2450 if (roll_samples_remaining > 0)
2452 /* Verify distance is a maximum of 32 (2.5ms) packets. */
2454 return AVERROR_INVALIDDATA;
2455 if (i && distance == sgpd_entries[entries].roll_distance) {
2456 sgpd_entries[entries].count++;
2459 sgpd_entries[entries].count = 1;
2460 sgpd_entries[entries].roll_distance = distance;
2461 sgpd_entries[entries].group_description_index = distance ? ++group : 0;
2466 sgpd_entries[entries].count = track->sample_count;
2467 sgpd_entries[entries].roll_distance = 1;
2468 sgpd_entries[entries].group_description_index = ++group;
2473 av_free(sgpd_entries);
2477 /* Write sgpd tag */
2478 avio_wb32(pb, 24 + (group * 2)); /* size */
2479 ffio_wfourcc(pb, "sgpd");
2480 avio_wb32(pb, 1 << 24); /* fullbox */
2481 ffio_wfourcc(pb, "roll");
2482 avio_wb32(pb, 2); /* default_length */
2483 avio_wb32(pb, group); /* entry_count */
2484 for (i = 0; i < entries; i++) {
2485 if (sgpd_entries[i].group_description_index) {
2486 avio_wb16(pb, -sgpd_entries[i].roll_distance); /* roll_distance */
2490 /* Write sbgp tag */
2491 avio_wb32(pb, 20 + (entries * 8)); /* size */
2492 ffio_wfourcc(pb, "sbgp");
2493 avio_wb32(pb, 0); /* fullbox */
2494 ffio_wfourcc(pb, "roll");
2495 avio_wb32(pb, entries); /* entry_count */
2496 for (i = 0; i < entries; i++) {
2497 avio_wb32(pb, sgpd_entries[i].count); /* sample_count */
2498 avio_wb32(pb, sgpd_entries[i].group_description_index); /* group_description_index */
2501 av_free(sgpd_entries);
2505 static int mov_write_stbl_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2507 int64_t pos = avio_tell(pb);
2510 avio_wb32(pb, 0); /* size */
2511 ffio_wfourcc(pb, "stbl");
2512 if ((ret = mov_write_stsd_tag(s, pb, mov, track)) < 0)
2514 mov_write_stts_tag(pb, track);
2515 if ((track->par->codec_type == AVMEDIA_TYPE_VIDEO ||
2516 track->par->codec_id == AV_CODEC_ID_TRUEHD ||
2517 track->par->codec_id == AV_CODEC_ID_MPEGH_3D_AUDIO ||
2518 track->par->codec_tag == MKTAG('r','t','p',' ')) &&
2519 track->has_keyframes && track->has_keyframes < track->entry)
2520 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
2521 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO && track->has_disposable)
2522 mov_write_sdtp_tag(pb, track);
2523 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
2524 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
2525 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO &&
2526 track->flags & MOV_TRACK_CTTS && track->entry) {
2528 if ((ret = mov_write_ctts_tag(s, pb, track)) < 0)
2531 mov_write_stsc_tag(pb, track);
2532 mov_write_stsz_tag(pb, track);
2533 mov_write_stco_tag(pb, track);
2534 if (track->cenc.aes_ctr) {
2535 ff_mov_cenc_write_stbl_atoms(&track->cenc, pb);
2537 if (track->par->codec_id == AV_CODEC_ID_OPUS || track->par->codec_id == AV_CODEC_ID_AAC) {
2538 mov_preroll_write_stbl_atoms(pb, track);
2540 return update_size(pb, pos);
2543 static int mov_write_dinf_tag(AVIOContext *pb)
2545 int64_t pos = avio_tell(pb);
2546 avio_wb32(pb, 0); /* size */
2547 ffio_wfourcc(pb, "dinf");
2548 mov_write_dref_tag(pb);
2549 return update_size(pb, pos);
2552 static int mov_write_nmhd_tag(AVIOContext *pb)
2555 ffio_wfourcc(pb, "nmhd");
2560 static int mov_write_tcmi_tag(AVIOContext *pb, MOVTrack *track)
2562 int64_t pos = avio_tell(pb);
2563 const char *font = "Lucida Grande";
2564 avio_wb32(pb, 0); /* size */
2565 ffio_wfourcc(pb, "tcmi"); /* timecode media information atom */
2566 avio_wb32(pb, 0); /* version & flags */
2567 avio_wb16(pb, 0); /* text font */
2568 avio_wb16(pb, 0); /* text face */
2569 avio_wb16(pb, 12); /* text size */
2570 avio_wb16(pb, 0); /* (unknown, not in the QT specs...) */
2571 avio_wb16(pb, 0x0000); /* text color (red) */
2572 avio_wb16(pb, 0x0000); /* text color (green) */
2573 avio_wb16(pb, 0x0000); /* text color (blue) */
2574 avio_wb16(pb, 0xffff); /* background color (red) */
2575 avio_wb16(pb, 0xffff); /* background color (green) */
2576 avio_wb16(pb, 0xffff); /* background color (blue) */
2577 avio_w8(pb, strlen(font)); /* font len (part of the pascal string) */
2578 avio_write(pb, font, strlen(font)); /* font name */
2579 return update_size(pb, pos);
2582 static int mov_write_gmhd_tag(AVIOContext *pb, MOVTrack *track)
2584 int64_t pos = avio_tell(pb);
2585 avio_wb32(pb, 0); /* size */
2586 ffio_wfourcc(pb, "gmhd");
2587 avio_wb32(pb, 0x18); /* gmin size */
2588 ffio_wfourcc(pb, "gmin");/* generic media info */
2589 avio_wb32(pb, 0); /* version & flags */
2590 avio_wb16(pb, 0x40); /* graphics mode = */
2591 avio_wb16(pb, 0x8000); /* opColor (r?) */
2592 avio_wb16(pb, 0x8000); /* opColor (g?) */
2593 avio_wb16(pb, 0x8000); /* opColor (b?) */
2594 avio_wb16(pb, 0); /* balance */
2595 avio_wb16(pb, 0); /* reserved */
2598 * This special text atom is required for
2599 * Apple Quicktime chapters. The contents
2600 * don't appear to be documented, so the
2601 * bytes are copied verbatim.
2603 if (track->tag != MKTAG('c','6','0','8')) {
2604 avio_wb32(pb, 0x2C); /* size */
2605 ffio_wfourcc(pb, "text");
2606 avio_wb16(pb, 0x01);
2607 avio_wb32(pb, 0x00);
2608 avio_wb32(pb, 0x00);
2609 avio_wb32(pb, 0x00);
2610 avio_wb32(pb, 0x01);
2611 avio_wb32(pb, 0x00);
2612 avio_wb32(pb, 0x00);
2613 avio_wb32(pb, 0x00);
2614 avio_wb32(pb, 0x00004000);
2615 avio_wb16(pb, 0x0000);
2618 if (track->par->codec_tag == MKTAG('t','m','c','d')) {
2619 int64_t tmcd_pos = avio_tell(pb);
2620 avio_wb32(pb, 0); /* size */
2621 ffio_wfourcc(pb, "tmcd");
2622 mov_write_tcmi_tag(pb, track);
2623 update_size(pb, tmcd_pos);
2624 } else if (track->par->codec_tag == MKTAG('g','p','m','d')) {
2625 int64_t gpmd_pos = avio_tell(pb);
2626 avio_wb32(pb, 0); /* size */
2627 ffio_wfourcc(pb, "gpmd");
2628 avio_wb32(pb, 0); /* version */
2629 update_size(pb, gpmd_pos);
2631 return update_size(pb, pos);
2634 static int mov_write_smhd_tag(AVIOContext *pb)
2636 avio_wb32(pb, 16); /* size */
2637 ffio_wfourcc(pb, "smhd");
2638 avio_wb32(pb, 0); /* version & flags */
2639 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
2640 avio_wb16(pb, 0); /* reserved */
2644 static int mov_write_vmhd_tag(AVIOContext *pb)
2646 avio_wb32(pb, 0x14); /* size (always 0x14) */
2647 ffio_wfourcc(pb, "vmhd");
2648 avio_wb32(pb, 0x01); /* version & flags */
2649 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
2653 static int is_clcp_track(MOVTrack *track)
2655 return track->tag == MKTAG('c','7','0','8') ||
2656 track->tag == MKTAG('c','6','0','8');
2659 static int mov_write_hdlr_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
2661 MOVMuxContext *mov = s->priv_data;
2662 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
2663 int64_t pos = avio_tell(pb);
2667 descr = "DataHandler";
2670 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
2671 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
2673 descr = "VideoHandler";
2674 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
2676 descr = "SoundHandler";
2677 } else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2678 if (is_clcp_track(track)) {
2680 descr = "ClosedCaptionHandler";
2682 if (track->tag == MKTAG('t','x','3','g')) {
2684 } else if (track->tag == MKTAG('m','p','4','s')) {
2689 descr = "SubtitleHandler";
2691 } else if (track->par->codec_tag == MKTAG('r','t','p',' ')) {
2693 descr = "HintHandler";
2694 } else if (track->par->codec_tag == MKTAG('t','m','c','d')) {
2696 descr = "TimeCodeHandler";
2697 } else if (track->par->codec_tag == MKTAG('g','p','m','d')) {
2699 descr = "GoPro MET"; // GoPro Metadata
2701 av_log(s, AV_LOG_WARNING,
2702 "Unknown hldr_type for %s, writing dummy values\n",
2703 av_fourcc2str(track->par->codec_tag));
2706 // hdlr.name is used by some players to identify the content title
2707 // of the track. So if an alternate handler description is
2708 // specified, use it.
2709 AVDictionaryEntry *t;
2710 t = av_dict_get(track->st->metadata, "handler_name", NULL, 0);
2711 if (t && utf8len(t->value))
2716 if (mov->empty_hdlr_name) /* expressly allowed by QTFF and not prohibited in ISO 14496-12 8.4.3.3 */
2719 avio_wb32(pb, 0); /* size */
2720 ffio_wfourcc(pb, "hdlr");
2721 avio_wb32(pb, 0); /* Version & flags */
2722 avio_write(pb, hdlr, 4); /* handler */
2723 ffio_wfourcc(pb, hdlr_type); /* handler type */
2724 avio_wb32(pb, 0); /* reserved */
2725 avio_wb32(pb, 0); /* reserved */
2726 avio_wb32(pb, 0); /* reserved */
2727 if (!track || track->mode == MODE_MOV)
2728 avio_w8(pb, strlen(descr)); /* pascal string */
2729 avio_write(pb, descr, strlen(descr)); /* handler description */
2730 if (track && track->mode != MODE_MOV)
2731 avio_w8(pb, 0); /* c string */
2732 return update_size(pb, pos);
2735 static int mov_write_hmhd_tag(AVIOContext *pb)
2737 /* This atom must be present, but leaving the values at zero
2738 * seems harmless. */
2739 avio_wb32(pb, 28); /* size */
2740 ffio_wfourcc(pb, "hmhd");
2741 avio_wb32(pb, 0); /* version, flags */
2742 avio_wb16(pb, 0); /* maxPDUsize */
2743 avio_wb16(pb, 0); /* avgPDUsize */
2744 avio_wb32(pb, 0); /* maxbitrate */
2745 avio_wb32(pb, 0); /* avgbitrate */
2746 avio_wb32(pb, 0); /* reserved */
2750 static int mov_write_minf_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2752 int64_t pos = avio_tell(pb);
2755 avio_wb32(pb, 0); /* size */
2756 ffio_wfourcc(pb, "minf");
2757 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO)
2758 mov_write_vmhd_tag(pb);
2759 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2760 mov_write_smhd_tag(pb);
2761 else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2762 if (track->tag == MKTAG('t','e','x','t') || is_clcp_track(track)) {
2763 mov_write_gmhd_tag(pb, track);
2765 mov_write_nmhd_tag(pb);
2767 } else if (track->tag == MKTAG('r','t','p',' ')) {
2768 mov_write_hmhd_tag(pb);
2769 } else if (track->tag == MKTAG('t','m','c','d')) {
2770 if (track->mode != MODE_MOV)
2771 mov_write_nmhd_tag(pb);
2773 mov_write_gmhd_tag(pb, track);
2774 } else if (track->tag == MKTAG('g','p','m','d')) {
2775 mov_write_gmhd_tag(pb, track);
2777 if (track->mode == MODE_MOV) /* ISO 14496-12 8.4.3.1 specifies hdlr only within mdia or meta boxes */
2778 mov_write_hdlr_tag(s, pb, NULL);
2779 mov_write_dinf_tag(pb);
2780 if ((ret = mov_write_stbl_tag(s, pb, mov, track)) < 0)
2782 return update_size(pb, pos);
2785 static int64_t calc_pts_duration(MOVMuxContext *mov, MOVTrack *track)
2787 if (track->tag == MKTAG('t','m','c','d')) {
2788 // tmcd tracks gets track_duration set in mov_write_moov_tag from
2789 // another track's duration, while the end_pts may be left at zero.
2790 // Calculate the pts duration for that track instead.
2791 return av_rescale(calc_pts_duration(mov, &mov->tracks[track->src_track]),
2792 track->timescale, mov->tracks[track->src_track].timescale);
2794 if (track->end_pts != AV_NOPTS_VALUE &&
2795 track->start_dts != AV_NOPTS_VALUE &&
2796 track->start_cts != AV_NOPTS_VALUE) {
2797 return track->end_pts - (track->start_dts + track->start_cts);
2799 return track->track_duration;
2802 static int mov_write_mdhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2805 int64_t duration = calc_pts_duration(mov, track);
2806 int version = duration < INT32_MAX ? 0 : 1;
2808 if (track->mode == MODE_ISM)
2811 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
2812 ffio_wfourcc(pb, "mdhd");
2813 avio_w8(pb, version);
2814 avio_wb24(pb, 0); /* flags */
2816 avio_wb64(pb, track->time);
2817 avio_wb64(pb, track->time);
2819 avio_wb32(pb, track->time); /* creation time */
2820 avio_wb32(pb, track->time); /* modification time */
2822 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
2823 if (!track->entry && mov->mode == MODE_ISM)
2824 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2825 else if (!track->entry)
2826 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2828 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration); /* duration */
2829 avio_wb16(pb, track->language); /* language */
2830 avio_wb16(pb, 0); /* reserved (quality) */
2832 if (version != 0 && track->mode == MODE_MOV) {
2833 av_log(NULL, AV_LOG_ERROR,
2834 "FATAL error, file duration too long for timebase, this file will not be\n"
2835 "playable with QuickTime. Choose a different timebase with "
2836 "-video_track_timescale or a different container format\n");
2842 static int mov_write_mdia_tag(AVFormatContext *s, AVIOContext *pb,
2843 MOVMuxContext *mov, MOVTrack *track)
2845 int64_t pos = avio_tell(pb);
2848 avio_wb32(pb, 0); /* size */
2849 ffio_wfourcc(pb, "mdia");
2850 mov_write_mdhd_tag(pb, mov, track);
2851 mov_write_hdlr_tag(s, pb, track);
2852 if ((ret = mov_write_minf_tag(s, pb, mov, track)) < 0)
2854 return update_size(pb, pos);
2857 /* transformation matrix
2861 static void write_matrix(AVIOContext *pb, int16_t a, int16_t b, int16_t c,
2862 int16_t d, int16_t tx, int16_t ty)
2864 avio_wb32(pb, a << 16); /* 16.16 format */
2865 avio_wb32(pb, b << 16); /* 16.16 format */
2866 avio_wb32(pb, 0); /* u in 2.30 format */
2867 avio_wb32(pb, c << 16); /* 16.16 format */
2868 avio_wb32(pb, d << 16); /* 16.16 format */
2869 avio_wb32(pb, 0); /* v in 2.30 format */
2870 avio_wb32(pb, tx << 16); /* 16.16 format */
2871 avio_wb32(pb, ty << 16); /* 16.16 format */
2872 avio_wb32(pb, 1 << 30); /* w in 2.30 format */
2875 static int mov_write_tkhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2876 MOVTrack *track, AVStream *st)
2878 int64_t duration = av_rescale_rnd(calc_pts_duration(mov, track),
2879 MOV_TIMESCALE, track->timescale,
2881 int version = duration < INT32_MAX ? 0 : 1;
2882 int flags = MOV_TKHD_FLAG_IN_MOVIE;
2886 uint32_t *display_matrix = NULL;
2887 int display_matrix_size, i;
2890 if (mov->per_stream_grouping)
2893 group = st->codecpar->codec_type;
2895 display_matrix = (uint32_t*)av_stream_get_side_data(st, AV_PKT_DATA_DISPLAYMATRIX,
2896 &display_matrix_size);
2897 if (display_matrix && display_matrix_size < 9 * sizeof(*display_matrix))
2898 display_matrix = NULL;
2901 if (track->flags & MOV_TRACK_ENABLED)
2902 flags |= MOV_TKHD_FLAG_ENABLED;
2904 if (track->mode == MODE_ISM)
2907 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
2908 ffio_wfourcc(pb, "tkhd");
2909 avio_w8(pb, version);
2910 avio_wb24(pb, flags);
2912 avio_wb64(pb, track->time);
2913 avio_wb64(pb, track->time);
2915 avio_wb32(pb, track->time); /* creation time */
2916 avio_wb32(pb, track->time); /* modification time */
2918 avio_wb32(pb, track->track_id); /* track-id */
2919 avio_wb32(pb, 0); /* reserved */
2920 if (!track->entry && mov->mode == MODE_ISM)
2921 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2922 else if (!track->entry)
2923 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2925 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
2927 avio_wb32(pb, 0); /* reserved */
2928 avio_wb32(pb, 0); /* reserved */
2929 avio_wb16(pb, 0); /* layer */
2930 avio_wb16(pb, group); /* alternate group) */
2931 /* Volume, only for audio */
2932 if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2933 avio_wb16(pb, 0x0100);
2936 avio_wb16(pb, 0); /* reserved */
2938 /* Matrix structure */
2939 #if FF_API_OLD_ROTATE_API
2940 if (st && st->metadata) {
2941 AVDictionaryEntry *rot = av_dict_get(st->metadata, "rotate", NULL, 0);
2942 rotation = (rot && rot->value) ? atoi(rot->value) : 0;
2945 if (display_matrix) {
2946 for (i = 0; i < 9; i++)
2947 avio_wb32(pb, display_matrix[i]);
2948 #if FF_API_OLD_ROTATE_API
2949 } else if (rotation == 90) {
2950 write_matrix(pb, 0, 1, -1, 0, track->par->height, 0);
2951 } else if (rotation == 180) {
2952 write_matrix(pb, -1, 0, 0, -1, track->par->width, track->par->height);
2953 } else if (rotation == 270) {
2954 write_matrix(pb, 0, -1, 1, 0, 0, track->par->width);
2957 write_matrix(pb, 1, 0, 0, 1, 0, 0);
2959 /* Track width and height, for visual only */
2960 if (st && (track->par->codec_type == AVMEDIA_TYPE_VIDEO ||
2961 track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
2962 int64_t track_width_1616;
2963 if (track->mode == MODE_MOV) {
2964 track_width_1616 = track->par->width * 0x10000ULL;
2966 track_width_1616 = av_rescale(st->sample_aspect_ratio.num,
2967 track->par->width * 0x10000LL,
2968 st->sample_aspect_ratio.den);
2969 if (!track_width_1616 ||
2970 track->height != track->par->height ||
2971 track_width_1616 > UINT32_MAX)
2972 track_width_1616 = track->par->width * 0x10000ULL;
2974 if (track_width_1616 > UINT32_MAX) {
2975 av_log(mov->fc, AV_LOG_WARNING, "track width is too large\n");
2976 track_width_1616 = 0;
2978 avio_wb32(pb, track_width_1616);
2979 if (track->height > 0xFFFF) {
2980 av_log(mov->fc, AV_LOG_WARNING, "track height is too large\n");
2983 avio_wb32(pb, track->height * 0x10000U);
2991 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
2993 int32_t width = av_rescale(track->par->sample_aspect_ratio.num, track->par->width,
2994 track->par->sample_aspect_ratio.den);
2996 int64_t pos = avio_tell(pb);
2998 avio_wb32(pb, 0); /* size */
2999 ffio_wfourcc(pb, "tapt");
3002 ffio_wfourcc(pb, "clef");
3004 avio_wb32(pb, width << 16);
3005 avio_wb32(pb, track->par->height << 16);
3008 ffio_wfourcc(pb, "prof");
3010 avio_wb32(pb, width << 16);
3011 avio_wb32(pb, track->par->height << 16);
3014 ffio_wfourcc(pb, "enof");
3016 avio_wb32(pb, track->par->width << 16);
3017 avio_wb32(pb, track->par->height << 16);
3019 return update_size(pb, pos);
3022 // This box seems important for the psp playback ... without it the movie seems to hang
3023 static int mov_write_edts_tag(AVIOContext *pb, MOVMuxContext *mov,
3026 int64_t duration = av_rescale_rnd(calc_pts_duration(mov, track),
3027 MOV_TIMESCALE, track->timescale,
3029 int version = duration < INT32_MAX ? 0 : 1;
3030 int entry_size, entry_count, size;
3031 int64_t delay, start_ct = track->start_cts;
3032 int64_t start_dts = track->start_dts;
3035 if (start_dts != track->cluster[0].dts || start_ct != track->cluster[0].cts) {
3037 av_log(mov->fc, AV_LOG_DEBUG,
3038 "EDTS using dts:%"PRId64" cts:%d instead of dts:%"PRId64" cts:%"PRId64" tid:%d\n",
3039 track->cluster[0].dts, track->cluster[0].cts,
3040 start_dts, start_ct, track->track_id);
3041 start_dts = track->cluster[0].dts;
3042 start_ct = track->cluster[0].cts;
3046 delay = av_rescale_rnd(start_dts + start_ct, MOV_TIMESCALE,
3047 track->timescale, AV_ROUND_DOWN);
3048 version |= delay < INT32_MAX ? 0 : 1;
3050 entry_size = (version == 1) ? 20 : 12;
3051 entry_count = 1 + (delay > 0);
3052 size = 24 + entry_count * entry_size;
3054 /* write the atom data */
3055 avio_wb32(pb, size);
3056 ffio_wfourcc(pb, "edts");
3057 avio_wb32(pb, size - 8);
3058 ffio_wfourcc(pb, "elst");
3059 avio_w8(pb, version);
3060 avio_wb24(pb, 0); /* flags */
3062 avio_wb32(pb, entry_count);
3063 if (delay > 0) { /* add an empty edit to delay presentation */
3064 /* In the positive delay case, the delay includes the cts
3065 * offset, and the second edit list entry below trims out
3066 * the same amount from the actual content. This makes sure
3067 * that the offset last sample is included in the edit
3068 * list duration as well. */
3070 avio_wb64(pb, delay);
3073 avio_wb32(pb, delay);
3076 avio_wb32(pb, 0x00010000);
3078 /* Avoid accidentally ending up with start_ct = -1 which has got a
3079 * special meaning. Normally start_ct should end up positive or zero
3080 * here, but use FFMIN in case dts is a small positive integer
3081 * rounded to 0 when represented in MOV_TIMESCALE units. */
3082 av_assert0(av_rescale_rnd(start_dts, MOV_TIMESCALE, track->timescale, AV_ROUND_DOWN) <= 0);
3083 start_ct = -FFMIN(start_dts, 0);
3084 /* Note, this delay is calculated from the pts of the first sample,
3085 * ensuring that we don't reduce the duration for cases with
3090 /* For fragmented files, we don't know the full length yet. Setting
3091 * duration to 0 allows us to only specify the offset, including
3092 * the rest of the content (from all future fragments) without specifying
3093 * an explicit duration. */
3094 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
3099 avio_wb64(pb, duration);
3100 avio_wb64(pb, start_ct);
3102 avio_wb32(pb, duration);
3103 avio_wb32(pb, start_ct);
3105 avio_wb32(pb, 0x00010000);
3109 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
3111 avio_wb32(pb, 20); // size
3112 ffio_wfourcc(pb, "tref");
3113 avio_wb32(pb, 12); // size (subatom)
3114 avio_wl32(pb, track->tref_tag);
3115 avio_wb32(pb, track->tref_id);
3119 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
3120 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
3122 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
3123 ffio_wfourcc(pb, "uuid");
3124 ffio_wfourcc(pb, "USMT");
3125 avio_wb32(pb, 0x21d24fce);
3126 avio_wb32(pb, 0xbb88695c);
3127 avio_wb32(pb, 0xfac9c740);
3128 avio_wb32(pb, 0x1c); // another size here!
3129 ffio_wfourcc(pb, "MTDT");
3130 avio_wb32(pb, 0x00010012);
3131 avio_wb32(pb, 0x0a);
3132 avio_wb32(pb, 0x55c40000);
3138 static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
3140 AVFormatContext *ctx = track->rtp_ctx;
3141 char buf[1000] = "";
3144 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
3145 NULL, NULL, 0, 0, ctx);
3146 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
3149 avio_wb32(pb, len + 24);
3150 ffio_wfourcc(pb, "udta");
3151 avio_wb32(pb, len + 16);
3152 ffio_wfourcc(pb, "hnti");
3153 avio_wb32(pb, len + 8);
3154 ffio_wfourcc(pb, "sdp ");
3155 avio_write(pb, buf, len);
3159 static int mov_write_track_metadata(AVIOContext *pb, AVStream *st,
3160 const char *tag, const char *str)
3162 int64_t pos = avio_tell(pb);
3163 AVDictionaryEntry *t = av_dict_get(st->metadata, str, NULL, 0);
3164 if (!t || !utf8len(t->value))
3167 avio_wb32(pb, 0); /* size */
3168 ffio_wfourcc(pb, tag); /* type */
3169 avio_write(pb, t->value, strlen(t->value)); /* UTF8 string value */
3170 return update_size(pb, pos);
3173 static int mov_write_track_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
3176 AVIOContext *pb_buf;
3183 ret = avio_open_dyn_buf(&pb_buf);
3187 if (mov->mode & (MODE_MP4|MODE_MOV))
3188 mov_write_track_metadata(pb_buf, st, "name", "title");
3190 if ((size = avio_get_dyn_buf(pb_buf, &buf)) > 0) {
3191 avio_wb32(pb, size + 8);
3192 ffio_wfourcc(pb, "udta");
3193 avio_write(pb, buf, size);
3195 ffio_free_dyn_buf(&pb_buf);
3200 static int mov_write_trak_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov,
3201 MOVTrack *track, AVStream *st)
3203 int64_t pos = avio_tell(pb);
3204 int entry_backup = track->entry;
3205 int chunk_backup = track->chunkCount;
3208 /* If we want to have an empty moov, but some samples already have been
3209 * buffered (delay_moov), pretend that no samples have been written yet. */
3210 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV)
3211 track->chunkCount = track->entry = 0;
3213 avio_wb32(pb, 0); /* size */
3214 ffio_wfourcc(pb, "trak");
3215 mov_write_tkhd_tag(pb, mov, track, st);
3217 av_assert2(mov->use_editlist >= 0);
3219 if (track->start_dts != AV_NOPTS_VALUE) {
3220 if (mov->use_editlist)
3221 mov_write_edts_tag(pb, mov, track); // PSP Movies and several other cases require edts box
3222 else if ((track->entry && track->cluster[0].dts) || track->mode == MODE_PSP || is_clcp_track(track))
3223 av_log(mov->fc, AV_LOG_WARNING,
3224 "Not writing any edit list even though one would have been required\n");
3227 if (track->tref_tag)
3228 mov_write_tref_tag(pb, track);
3230 if ((ret = mov_write_mdia_tag(s, pb, mov, track)) < 0)
3232 if (track->mode == MODE_PSP)
3233 mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box
3234 if (track->tag == MKTAG('r','t','p',' '))
3235 mov_write_udta_sdp(pb, track);
3236 if (track->mode == MODE_MOV) {
3237 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
3238 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
3239 if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio) {
3240 mov_write_tapt_tag(pb, track);
3243 if (is_clcp_track(track) && st->sample_aspect_ratio.num) {
3244 mov_write_tapt_tag(pb, track);
3247 mov_write_track_udta_tag(pb, mov, st);
3248 track->entry = entry_backup;
3249 track->chunkCount = chunk_backup;
3250 return update_size(pb, pos);
3253 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
3255 int i, has_audio = 0, has_video = 0;
3256 int64_t pos = avio_tell(pb);
3257 int audio_profile = mov->iods_audio_profile;
3258 int video_profile = mov->iods_video_profile;
3259 for (i = 0; i < mov->nb_streams; i++) {
3260 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3261 has_audio |= mov->tracks[i].par->codec_type == AVMEDIA_TYPE_AUDIO;
3262 has_video |= mov->tracks[i].par->codec_type == AVMEDIA_TYPE_VIDEO;
3265 if (audio_profile < 0)
3266 audio_profile = 0xFF - has_audio;
3267 if (video_profile < 0)
3268 video_profile = 0xFF - has_video;
3269 avio_wb32(pb, 0x0); /* size */
3270 ffio_wfourcc(pb, "iods");
3271 avio_wb32(pb, 0); /* version & flags */
3272 put_descr(pb, 0x10, 7);
3273 avio_wb16(pb, 0x004f);
3276 avio_w8(pb, audio_profile);
3277 avio_w8(pb, video_profile);
3279 return update_size(pb, pos);
3282 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
3284 avio_wb32(pb, 0x20); /* size */
3285 ffio_wfourcc(pb, "trex");
3286 avio_wb32(pb, 0); /* version & flags */
3287 avio_wb32(pb, track->track_id); /* track ID */
3288 avio_wb32(pb, 1); /* default sample description index */
3289 avio_wb32(pb, 0); /* default sample duration */
3290 avio_wb32(pb, 0); /* default sample size */
3291 avio_wb32(pb, 0); /* default sample flags */
3295 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
3297 int64_t pos = avio_tell(pb);
3299 avio_wb32(pb, 0x0); /* size */
3300 ffio_wfourcc(pb, "mvex");
3301 for (i = 0; i < mov->nb_streams; i++)
3302 mov_write_trex_tag(pb, &mov->tracks[i]);
3303 return update_size(pb, pos);
3306 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
3308 int max_track_id = 1, i;
3309 int64_t max_track_len = 0;
3312 for (i = 0; i < mov->nb_streams; i++) {
3313 if (mov->tracks[i].entry > 0 && mov->tracks[i].timescale) {
3314 int64_t max_track_len_temp = av_rescale_rnd(
3315 calc_pts_duration(mov, &mov->tracks[i]),
3317 mov->tracks[i].timescale,
3319 if (max_track_len < max_track_len_temp)
3320 max_track_len = max_track_len_temp;
3321 if (max_track_id < mov->tracks[i].track_id)
3322 max_track_id = mov->tracks[i].track_id;
3325 /* If using delay_moov, make sure the output is the same as if no
3326 * samples had been written yet. */
3327 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3332 version = max_track_len < UINT32_MAX ? 0 : 1;
3333 avio_wb32(pb, version == 1 ? 120 : 108); /* size */
3335 ffio_wfourcc(pb, "mvhd");
3336 avio_w8(pb, version);
3337 avio_wb24(pb, 0); /* flags */
3339 avio_wb64(pb, mov->time);
3340 avio_wb64(pb, mov->time);
3342 avio_wb32(pb, mov->time); /* creation time */
3343 avio_wb32(pb, mov->time); /* modification time */
3345 avio_wb32(pb, MOV_TIMESCALE);
3346 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
3348 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
3349 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
3350 avio_wb16(pb, 0); /* reserved */
3351 avio_wb32(pb, 0); /* reserved */
3352 avio_wb32(pb, 0); /* reserved */
3354 /* Matrix structure */
3355 write_matrix(pb, 1, 0, 0, 1, 0, 0);
3357 avio_wb32(pb, 0); /* reserved (preview time) */
3358 avio_wb32(pb, 0); /* reserved (preview duration) */
3359 avio_wb32(pb, 0); /* reserved (poster time) */
3360 avio_wb32(pb, 0); /* reserved (selection time) */
3361 avio_wb32(pb, 0); /* reserved (selection duration) */
3362 avio_wb32(pb, 0); /* reserved (current time) */
3363 avio_wb32(pb, max_track_id + 1); /* Next track id */
3367 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
3370 avio_wb32(pb, 33); /* size */
3371 ffio_wfourcc(pb, "hdlr");
3374 ffio_wfourcc(pb, "mdir");
3375 ffio_wfourcc(pb, "appl");
3382 /* helper function to write a data tag with the specified string as data */
3383 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
3386 int size = 16 + strlen(data);
3387 avio_wb32(pb, size); /* size */
3388 ffio_wfourcc(pb, "data");
3391 avio_write(pb, data, strlen(data));
3395 lang = ff_mov_iso639_to_lang("und", 1);
3396 avio_wb16(pb, strlen(data)); /* string length */
3397 avio_wb16(pb, lang);
3398 avio_write(pb, data, strlen(data));
3399 return strlen(data) + 4;
3403 static int mov_write_string_tag(AVIOContext *pb, const char *name,
3404 const char *value, int lang, int long_style)
3407 if (value && value[0]) {
3408 int64_t pos = avio_tell(pb);
3409 avio_wb32(pb, 0); /* size */
3410 ffio_wfourcc(pb, name);
3411 mov_write_string_data_tag(pb, value, lang, long_style);
3412 size = update_size(pb, pos);
3417 static AVDictionaryEntry *get_metadata_lang(AVFormatContext *s,
3418 const char *tag, int *lang)
3421 AVDictionaryEntry *t, *t2 = NULL;
3426 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
3429 len = strlen(t->key);
3430 snprintf(tag2, sizeof(tag2), "%s-", tag);
3431 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
3432 len2 = strlen(t2->key);
3433 if (len2 == len + 4 && !strcmp(t->value, t2->value)
3434 && (l = ff_mov_iso639_to_lang(&t2->key[len2 - 3], 1)) >= 0) {
3442 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
3443 const char *name, const char *tag,
3447 AVDictionaryEntry *t = get_metadata_lang(s, tag, &lang);
3450 return mov_write_string_tag(pb, name, t->value, lang, long_style);
3453 /* iTunes bpm number */
3454 static int mov_write_tmpo_tag(AVIOContext *pb, AVFormatContext *s)
3456 AVDictionaryEntry *t = av_dict_get(s->metadata, "tmpo", NULL, 0);
3457 int size = 0, tmpo = t ? atoi(t->value) : 0;
3460 avio_wb32(pb, size);
3461 ffio_wfourcc(pb, "tmpo");
3462 avio_wb32(pb, size-8); /* size */
3463 ffio_wfourcc(pb, "data");
3464 avio_wb32(pb, 0x15); //type specifier
3466 avio_wb16(pb, tmpo); // data
3471 /* 3GPP TS 26.244 */
3472 static int mov_write_loci_tag(AVFormatContext *s, AVIOContext *pb)
3475 int64_t pos = avio_tell(pb);
3476 double latitude, longitude, altitude;
3477 int32_t latitude_fix, longitude_fix, altitude_fix;
3478 AVDictionaryEntry *t = get_metadata_lang(s, "location", &lang);
3479 const char *ptr, *place = "";
3481 static const char *astronomical_body = "earth";
3486 longitude = strtod(ptr, &end);
3488 av_log(s, AV_LOG_WARNING, "malformed location metadata\n");
3492 latitude = strtod(ptr, &end);
3494 av_log(s, AV_LOG_WARNING, "malformed location metadata\n");
3498 altitude = strtod(ptr, &end);
3499 /* If no altitude was present, the default 0 should be fine */
3503 latitude_fix = (int32_t) ((1 << 16) * latitude);
3504 longitude_fix = (int32_t) ((1 << 16) * longitude);
3505 altitude_fix = (int32_t) ((1 << 16) * altitude);
3507 avio_wb32(pb, 0); /* size */
3508 ffio_wfourcc(pb, "loci"); /* type */
3509 avio_wb32(pb, 0); /* version + flags */
3510 avio_wb16(pb, lang);
3511 avio_write(pb, place, strlen(place) + 1);
3512 avio_w8(pb, 0); /* role of place (0 == shooting location, 1 == real location, 2 == fictional location) */
3513 avio_wb32(pb, latitude_fix);
3514 avio_wb32(pb, longitude_fix);
3515 avio_wb32(pb, altitude_fix);
3516 avio_write(pb, astronomical_body, strlen(astronomical_body) + 1);
3517 avio_w8(pb, 0); /* additional notes, null terminated string */
3519 return update_size(pb, pos);
3522 /* iTunes track or disc number */
3523 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
3524 AVFormatContext *s, int disc)
3526 AVDictionaryEntry *t = av_dict_get(s->metadata,
3527 disc ? "disc" : "track",
3529 int size = 0, track = t ? atoi(t->value) : 0;
3532 char *slash = strchr(t->value, '/');
3534 tracks = atoi(slash + 1);
3535 avio_wb32(pb, 32); /* size */
3536 ffio_wfourcc(pb, disc ? "disk" : "trkn");
3537 avio_wb32(pb, 24); /* size */
3538 ffio_wfourcc(pb, "data");
3539 avio_wb32(pb, 0); // 8 bytes empty
3541 avio_wb16(pb, 0); // empty
3542 avio_wb16(pb, track); // track / disc number
3543 avio_wb16(pb, tracks); // total track / disc number
3544 avio_wb16(pb, 0); // empty
3550 static int mov_write_int8_metadata(AVFormatContext *s, AVIOContext *pb,
3551 const char *name, const char *tag,
3554 AVDictionaryEntry *t = NULL;
3556 int size = 24 + len;
3558 if (len != 1 && len != 4)
3561 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
3563 num = atoi(t->value);
3565 avio_wb32(pb, size);
3566 ffio_wfourcc(pb, name);
3567 avio_wb32(pb, size - 8);
3568 ffio_wfourcc(pb, "data");
3569 avio_wb32(pb, 0x15);
3571 if (len==4) avio_wb32(pb, num);
3572 else avio_w8 (pb, num);
3577 static int mov_write_covr(AVIOContext *pb, AVFormatContext *s)
3579 MOVMuxContext *mov = s->priv_data;
3583 for (i = 0; i < s->nb_streams; i++) {
3584 MOVTrack *trk = &mov->tracks[i];
3586 if (!is_cover_image(trk->st) || trk->cover_image.size <= 0)
3590 pos = avio_tell(pb);
3592 ffio_wfourcc(pb, "covr");
3594 avio_wb32(pb, 16 + trk->cover_image.size);
3595 ffio_wfourcc(pb, "data");
3596 avio_wb32(pb, trk->tag);
3598 avio_write(pb, trk->cover_image.data, trk->cover_image.size);
3601 return pos ? update_size(pb, pos) : 0;
3604 /* iTunes meta data list */
3605 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
3608 int64_t pos = avio_tell(pb);
3609 avio_wb32(pb, 0); /* size */
3610 ffio_wfourcc(pb, "ilst");
3611 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
3612 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
3613 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
3614 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
3615 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
3616 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
3617 if (!mov_write_string_metadata(s, pb, "\251too", "encoding_tool", 1)) {
3618 if (!(s->flags & AVFMT_FLAG_BITEXACT))
3619 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
3621 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
3622 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
3623 mov_write_string_metadata(s, pb, "cprt", "copyright", 1);
3624 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
3625 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
3626 mov_write_string_metadata(s, pb, "desc", "description",1);
3627 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
3628 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
3629 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
3630 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
3631 mov_write_string_metadata(s, pb, "keyw", "keywords" , 1);
3632 mov_write_int8_metadata (s, pb, "tves", "episode_sort",4);
3633 mov_write_int8_metadata (s, pb, "tvsn", "season_number",4);
3634 mov_write_int8_metadata (s, pb, "stik", "media_type",1);
3635 mov_write_int8_metadata (s, pb, "hdvd", "hd_video", 1);
3636 mov_write_int8_metadata (s, pb, "pgap", "gapless_playback",1);
3637 mov_write_int8_metadata (s, pb, "cpil", "compilation", 1);
3638 mov_write_covr(pb, s);
3639 mov_write_trkn_tag(pb, mov, s, 0); // track number
3640 mov_write_trkn_tag(pb, mov, s, 1); // disc number
3641 mov_write_tmpo_tag(pb, s);
3642 return update_size(pb, pos);
3645 static int mov_write_mdta_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
3648 avio_wb32(pb, 33); /* size */
3649 ffio_wfourcc(pb, "hdlr");
3652 ffio_wfourcc(pb, "mdta");
3660 static int mov_write_mdta_keys_tag(AVIOContext *pb, MOVMuxContext *mov,
3663 AVDictionaryEntry *t = NULL;
3664 int64_t pos = avio_tell(pb);
3665 int64_t curpos, entry_pos;
3668 avio_wb32(pb, 0); /* size */
3669 ffio_wfourcc(pb, "keys");
3671 entry_pos = avio_tell(pb);
3672 avio_wb32(pb, 0); /* entry count */
3674 while (t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX)) {
3675 avio_wb32(pb, strlen(t->key) + 8);
3676 ffio_wfourcc(pb, "mdta");
3677 avio_write(pb, t->key, strlen(t->key));
3680 curpos = avio_tell(pb);
3681 avio_seek(pb, entry_pos, SEEK_SET);
3682 avio_wb32(pb, count); // rewrite entry count
3683 avio_seek(pb, curpos, SEEK_SET);
3685 return update_size(pb, pos);
3688 static int mov_write_mdta_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
3691 AVDictionaryEntry *t = NULL;
3692 int64_t pos = avio_tell(pb);
3693 int count = 1; /* keys are 1-index based */
3695 avio_wb32(pb, 0); /* size */
3696 ffio_wfourcc(pb, "ilst");
3698 while (t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX)) {
3699 int64_t entry_pos = avio_tell(pb);
3700 avio_wb32(pb, 0); /* size */
3701 avio_wb32(pb, count); /* key */
3702 mov_write_string_data_tag(pb, t->value, 0, 1);
3703 update_size(pb, entry_pos);
3706 return update_size(pb, pos);
3709 /* meta data tags */
3710 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
3714 int64_t pos = avio_tell(pb);
3715 avio_wb32(pb, 0); /* size */
3716 ffio_wfourcc(pb, "meta");
3718 if (mov->flags & FF_MOV_FLAG_USE_MDTA) {
3719 mov_write_mdta_hdlr_tag(pb, mov, s);
3720 mov_write_mdta_keys_tag(pb, mov, s);
3721 mov_write_mdta_ilst_tag(pb, mov, s);
3724 /* iTunes metadata tag */
3725 mov_write_itunes_hdlr_tag(pb, mov, s);
3726 mov_write_ilst_tag(pb, mov, s);
3728 size = update_size(pb, pos);
3732 static int mov_write_raw_metadata_tag(AVFormatContext *s, AVIOContext *pb,
3733 const char *name, const char *key)
3736 AVDictionaryEntry *t;
3738 if (!(t = av_dict_get(s->metadata, key, NULL, 0)))
3741 len = strlen(t->value);
3744 avio_wb32(pb, size);
3745 ffio_wfourcc(pb, name);
3746 avio_write(pb, t->value, len);
3752 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
3756 GET_UTF8(val, *b++, return -1;)
3759 avio_wb16(pb, 0x00);
3763 static uint16_t language_code(const char *str)
3765 return (((str[0] - 0x60) & 0x1F) << 10) +
3766 (((str[1] - 0x60) & 0x1F) << 5) +
3767 (( str[2] - 0x60) & 0x1F);
3770 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
3771 const char *tag, const char *str)
3773 int64_t pos = avio_tell(pb);
3774 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
3775 if (!t || !utf8len(t->value))
3777 avio_wb32(pb, 0); /* size */
3778 ffio_wfourcc(pb, tag); /* type */
3779 avio_wb32(pb, 0); /* version + flags */
3780 if (!strcmp(tag, "yrrc"))
3781 avio_wb16(pb, atoi(t->value));
3783 avio_wb16(pb, language_code("eng")); /* language */
3784 avio_write(pb, t->value, strlen(t->value) + 1); /* UTF8 string value */
3785 if (!strcmp(tag, "albm") &&
3786 (t = av_dict_get(s->metadata, "track", NULL, 0)))
3787 avio_w8(pb, atoi(t->value));
3789 return update_size(pb, pos);
3792 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
3794 int64_t pos = avio_tell(pb);
3795 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
3797 avio_wb32(pb, 0); // size
3798 ffio_wfourcc(pb, "chpl");
3799 avio_wb32(pb, 0x01000000); // version + flags
3800 avio_wb32(pb, 0); // unknown
3801 avio_w8(pb, nb_chapters);
3803 for (i = 0; i < nb_chapters; i++) {
3804 AVChapter *c = s->chapters[i];
3805 AVDictionaryEntry *t;
3806 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
3808 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3809 int len = FFMIN(strlen(t->value), 255);
3811 avio_write(pb, t->value, len);
3815 return update_size(pb, pos);
3818 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
3821 AVIOContext *pb_buf;
3825 ret = avio_open_dyn_buf(&pb_buf);
3829 if (mov->mode & MODE_3GP) {
3830 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
3831 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
3832 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
3833 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
3834 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
3835 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
3836 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
3837 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
3838 mov_write_loci_tag(s, pb_buf);
3839 } 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
3840 mov_write_string_metadata(s, pb_buf, "\251ART", "artist", 0);
3841 mov_write_string_metadata(s, pb_buf, "\251nam", "title", 0);
3842 mov_write_string_metadata(s, pb_buf, "\251aut", "author", 0);
3843 mov_write_string_metadata(s, pb_buf, "\251alb", "album", 0);
3844 mov_write_string_metadata(s, pb_buf, "\251day", "date", 0);
3845 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder", 0);
3846 // currently ignored by mov.c
3847 mov_write_string_metadata(s, pb_buf, "\251des", "comment", 0);
3848 // add support for libquicktime, this atom is also actually read by mov.c
3849 mov_write_string_metadata(s, pb_buf, "\251cmt", "comment", 0);
3850 mov_write_string_metadata(s, pb_buf, "\251gen", "genre", 0);
3851 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright", 0);
3852 mov_write_string_metadata(s, pb_buf, "\251mak", "make", 0);
3853 mov_write_string_metadata(s, pb_buf, "\251mod", "model", 0);
3854 mov_write_string_metadata(s, pb_buf, "\251xyz", "location", 0);
3855 mov_write_string_metadata(s, pb_buf, "\251key", "keywords", 0);
3856 mov_write_raw_metadata_tag(s, pb_buf, "XMP_", "xmp");
3858 /* iTunes meta data */
3859 mov_write_meta_tag(pb_buf, mov, s);
3860 mov_write_loci_tag(s, pb_buf);
3863 if (s->nb_chapters && !(mov->flags & FF_MOV_FLAG_DISABLE_CHPL))
3864 mov_write_chpl_tag(pb_buf, s);
3866 if ((size = avio_get_dyn_buf(pb_buf, &buf)) > 0) {
3867 avio_wb32(pb, size + 8);
3868 ffio_wfourcc(pb, "udta");
3869 avio_write(pb, buf, size);
3871 ffio_free_dyn_buf(&pb_buf);
3876 static void mov_write_psp_udta_tag(AVIOContext *pb,
3877 const char *str, const char *lang, int type)
3879 int len = utf8len(str) + 1;
3882 avio_wb16(pb, len * 2 + 10); /* size */
3883 avio_wb32(pb, type); /* type */
3884 avio_wb16(pb, language_code(lang)); /* language */
3885 avio_wb16(pb, 0x01); /* ? */
3886 ascii_to_wc(pb, str);
3889 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
3891 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
3895 pos = avio_tell(pb);
3896 avio_wb32(pb, 0); /* size placeholder*/
3897 ffio_wfourcc(pb, "uuid");
3898 ffio_wfourcc(pb, "USMT");
3899 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
3900 avio_wb32(pb, 0xbb88695c);
3901 avio_wb32(pb, 0xfac9c740);
3903 pos2 = avio_tell(pb);
3904 avio_wb32(pb, 0); /* size placeholder*/
3905 ffio_wfourcc(pb, "MTDT");
3909 avio_wb16(pb, 0x0C); /* size */
3910 avio_wb32(pb, 0x0B); /* type */
3911 avio_wb16(pb, language_code("und")); /* language */
3912 avio_wb16(pb, 0x0); /* ? */
3913 avio_wb16(pb, 0x021C); /* data */
3915 if (!(s->flags & AVFMT_FLAG_BITEXACT))
3916 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
3917 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
3918 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
3920 update_size(pb, pos2);
3921 return update_size(pb, pos);
3927 static void build_chunks(MOVTrack *trk)
3930 MOVIentry *chunk = &trk->cluster[0];
3931 uint64_t chunkSize = chunk->size;
3932 chunk->chunkNum = 1;
3933 if (trk->chunkCount)
3935 trk->chunkCount = 1;
3936 for (i = 1; i<trk->entry; i++){
3937 if (chunk->pos + chunkSize == trk->cluster[i].pos &&
3938 chunkSize + trk->cluster[i].size < (1<<20)){
3939 chunkSize += trk->cluster[i].size;
3940 chunk->samples_in_chunk += trk->cluster[i].entries;
3942 trk->cluster[i].chunkNum = chunk->chunkNum+1;
3943 chunk=&trk->cluster[i];
3944 chunkSize = chunk->size;
3951 * Assign track ids. If option "use_stream_ids_as_track_ids" is set,
3952 * the stream ids are used as track ids.
3954 * This assumes mov->tracks and s->streams are in the same order and
3955 * there are no gaps in either of them (so mov->tracks[n] refers to
3958 * As an exception, there can be more entries in
3959 * s->streams than in mov->tracks, in which case new track ids are
3960 * generated (starting after the largest found stream id).
3962 static int mov_setup_track_ids(MOVMuxContext *mov, AVFormatContext *s)
3966 if (mov->track_ids_ok)
3969 if (mov->use_stream_ids_as_track_ids) {
3970 int next_generated_track_id = 0;
3971 for (i = 0; i < s->nb_streams; i++) {
3972 if (s->streams[i]->id > next_generated_track_id)
3973 next_generated_track_id = s->streams[i]->id;
3976 for (i = 0; i < mov->nb_streams; i++) {
3977 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
3980 mov->tracks[i].track_id = i >= s->nb_streams ? ++next_generated_track_id : s->streams[i]->id;
3983 for (i = 0; i < mov->nb_streams; i++) {
3984 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
3987 mov->tracks[i].track_id = i + 1;
3991 mov->track_ids_ok = 1;
3996 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
4000 int64_t pos = avio_tell(pb);
4001 avio_wb32(pb, 0); /* size placeholder*/
4002 ffio_wfourcc(pb, "moov");
4004 mov_setup_track_ids(mov, s);
4006 for (i = 0; i < mov->nb_streams; i++) {
4007 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
4010 mov->tracks[i].time = mov->time;
4012 if (mov->tracks[i].entry)
4013 build_chunks(&mov->tracks[i]);
4016 if (mov->chapter_track)
4017 for (i = 0; i < s->nb_streams; i++) {
4018 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
4019 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
4021 for (i = 0; i < mov->nb_streams; i++) {
4022 MOVTrack *track = &mov->tracks[i];
4023 if (track->tag == MKTAG('r','t','p',' ')) {
4024 track->tref_tag = MKTAG('h','i','n','t');
4025 track->tref_id = mov->tracks[track->src_track].track_id;
4026 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
4027 int * fallback, size;
4028 fallback = (int*)av_stream_get_side_data(track->st,
4029 AV_PKT_DATA_FALLBACK_TRACK,
4031 if (fallback != NULL && size == sizeof(int)) {
4032 if (*fallback >= 0 && *fallback < mov->nb_streams) {
4033 track->tref_tag = MKTAG('f','a','l','l');
4034 track->tref_id = mov->tracks[*fallback].track_id;
4039 for (i = 0; i < mov->nb_streams; i++) {
4040 if (mov->tracks[i].tag == MKTAG('t','m','c','d')) {
4041 int src_trk = mov->tracks[i].src_track;
4042 mov->tracks[src_trk].tref_tag = mov->tracks[i].tag;
4043 mov->tracks[src_trk].tref_id = mov->tracks[i].track_id;
4044 //src_trk may have a different timescale than the tmcd track
4045 mov->tracks[i].track_duration = av_rescale(mov->tracks[src_trk].track_duration,
4046 mov->tracks[i].timescale,
4047 mov->tracks[src_trk].timescale);
4051 mov_write_mvhd_tag(pb, mov);
4052 if (mov->mode != MODE_MOV && !mov->iods_skip)
4053 mov_write_iods_tag(pb, mov);
4054 for (i = 0; i < mov->nb_streams; i++) {
4055 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
4056 int ret = mov_write_trak_tag(s, pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
4061 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
4062 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
4064 if (mov->mode == MODE_PSP)
4065 mov_write_uuidusmt_tag(pb, s);
4067 mov_write_udta_tag(pb, mov, s);
4069 return update_size(pb, pos);
4072 static void param_write_int(AVIOContext *pb, const char *name, int value)
4074 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
4077 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
4079 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
4082 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
4085 len = FFMIN(sizeof(buf) / 2 - 1, len);
4086 ff_data_to_hex(buf, value, len, 0);
4087 buf[2 * len] = '\0';
4088 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
4091 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov, AVFormatContext *s)
4093 int64_t pos = avio_tell(pb);
4095 int64_t manifest_bit_rate = 0;
4096 AVCPBProperties *props = NULL;
4098 static const uint8_t uuid[] = {
4099 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
4100 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
4104 ffio_wfourcc(pb, "uuid");
4105 avio_write(pb, uuid, sizeof(uuid));
4108 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
4109 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
4110 avio_printf(pb, "<head>\n");
4111 if (!(mov->fc->flags & AVFMT_FLAG_BITEXACT))
4112 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
4114 avio_printf(pb, "</head>\n");
4115 avio_printf(pb, "<body>\n");
4116 avio_printf(pb, "<switch>\n");
4118 mov_setup_track_ids(mov, s);
4120 for (i = 0; i < mov->nb_streams; i++) {
4121 MOVTrack *track = &mov->tracks[i];
4123 int track_id = track->track_id;
4124 char track_name_buf[32] = { 0 };
4126 AVStream *st = track->st;
4127 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
4129 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO && !is_cover_image(st)) {
4131 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
4137 props = (AVCPBProperties*)av_stream_get_side_data(track->st, AV_PKT_DATA_CPB_PROPERTIES, NULL);
4139 if (track->par->bit_rate) {
4140 manifest_bit_rate = track->par->bit_rate;
4142 manifest_bit_rate = props->max_bitrate;
4145 avio_printf(pb, "<%s systemBitrate=\"%"PRId64"\">\n", type,
4147 param_write_int(pb, "systemBitrate", manifest_bit_rate);
4148 param_write_int(pb, "trackID", track_id);
4149 param_write_string(pb, "systemLanguage", lang ? lang->value : "und");
4151 /* Build track name piece by piece: */
4153 av_strlcat(track_name_buf, type, sizeof(track_name_buf));
4154 /* 2. track language, if available */
4156 av_strlcatf(track_name_buf, sizeof(track_name_buf),
4157 "_%s", lang->value);
4158 /* 3. special type suffix */
4159 /* "_cc" = closed captions, "_ad" = audio_description */
4160 if (st->disposition & AV_DISPOSITION_HEARING_IMPAIRED)
4161 av_strlcat(track_name_buf, "_cc", sizeof(track_name_buf));
4162 else if (st->disposition & AV_DISPOSITION_VISUAL_IMPAIRED)
4163 av_strlcat(track_name_buf, "_ad", sizeof(track_name_buf));
4165 param_write_string(pb, "trackName", track_name_buf);
4167 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
4168 if (track->par->codec_id == AV_CODEC_ID_H264) {
4170 int size = track->par->extradata_size;
4171 if (!ff_avc_write_annexb_extradata(track->par->extradata, &ptr,
4173 param_write_hex(pb, "CodecPrivateData",
4174 ptr ? ptr : track->par->extradata,
4178 param_write_string(pb, "FourCC", "H264");
4179 } else if (track->par->codec_id == AV_CODEC_ID_VC1) {
4180 param_write_string(pb, "FourCC", "WVC1");
4181 param_write_hex(pb, "CodecPrivateData", track->par->extradata,
4182 track->par->extradata_size);
4184 param_write_int(pb, "MaxWidth", track->par->width);
4185 param_write_int(pb, "MaxHeight", track->par->height);
4186 param_write_int(pb, "DisplayWidth", track->par->width);
4187 param_write_int(pb, "DisplayHeight", track->par->height);
4189 if (track->par->codec_id == AV_CODEC_ID_AAC) {
4190 switch (track->par->profile)
4192 case FF_PROFILE_AAC_HE_V2:
4193 param_write_string(pb, "FourCC", "AACP");
4195 case FF_PROFILE_AAC_HE:
4196 param_write_string(pb, "FourCC", "AACH");
4199 param_write_string(pb, "FourCC", "AACL");
4201 } else if (track->par->codec_id == AV_CODEC_ID_WMAPRO) {
4202 param_write_string(pb, "FourCC", "WMAP");
4204 param_write_hex(pb, "CodecPrivateData", track->par->extradata,
4205 track->par->extradata_size);
4206 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
4207 track->par->codec_id));
4208 param_write_int(pb, "Channels", track->par->channels);
4209 param_write_int(pb, "SamplingRate", track->par->sample_rate);
4210 param_write_int(pb, "BitsPerSample", 16);
4211 param_write_int(pb, "PacketSize", track->par->block_align ?
4212 track->par->block_align : 4);
4214 avio_printf(pb, "</%s>\n", type);
4216 avio_printf(pb, "</switch>\n");
4217 avio_printf(pb, "</body>\n");
4218 avio_printf(pb, "</smil>\n");
4220 return update_size(pb, pos);
4223 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
4226 ffio_wfourcc(pb, "mfhd");
4228 avio_wb32(pb, mov->fragments);
4232 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
4234 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
4235 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
4238 static int mov_write_tfhd_tag(AVIOContext *pb, MOVMuxContext *mov,
4239 MOVTrack *track, int64_t moof_offset)
4241 int64_t pos = avio_tell(pb);
4242 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
4243 MOV_TFHD_BASE_DATA_OFFSET;
4244 if (!track->entry) {
4245 flags |= MOV_TFHD_DURATION_IS_EMPTY;
4247 flags |= MOV_TFHD_DEFAULT_FLAGS;
4249 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET)
4250 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
4251 if (mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) {
4252 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
4253 flags |= MOV_TFHD_DEFAULT_BASE_IS_MOOF;
4255 /* CMAF requires all values to be explicit in tfhd atoms */
4256 if (mov->flags & FF_MOV_FLAG_CMAF)
4257 flags |= MOV_TFHD_STSD_ID;
4259 /* Don't set a default sample size, the silverlight player refuses
4260 * to play files with that set. Don't set a default sample duration,
4261 * WMP freaks out if it is set. Don't set a base data offset, PIFF
4262 * file format says it MUST NOT be set. */
4263 if (track->mode == MODE_ISM)
4264 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
4265 MOV_TFHD_BASE_DATA_OFFSET | MOV_TFHD_STSD_ID);
4267 avio_wb32(pb, 0); /* size placeholder */
4268 ffio_wfourcc(pb, "tfhd");
4269 avio_w8(pb, 0); /* version */
4270 avio_wb24(pb, flags);
4272 avio_wb32(pb, track->track_id); /* track-id */
4273 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
4274 avio_wb64(pb, moof_offset);
4275 if (flags & MOV_TFHD_STSD_ID) {
4278 if (flags & MOV_TFHD_DEFAULT_DURATION) {
4279 track->default_duration = get_cluster_duration(track, 0);
4280 avio_wb32(pb, track->default_duration);
4282 if (flags & MOV_TFHD_DEFAULT_SIZE) {
4283 track->default_size = track->entry ? track->cluster[0].size : 1;
4284 avio_wb32(pb, track->default_size);
4286 track->default_size = -1;
4288 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
4289 /* Set the default flags based on the second sample, if available.
4290 * If the first sample is different, that can be signaled via a separate field. */
4291 if (track->entry > 1)
4292 track->default_sample_flags = get_sample_flags(track, &track->cluster[1]);
4294 track->default_sample_flags =
4295 track->par->codec_type == AVMEDIA_TYPE_VIDEO ?
4296 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
4297 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
4298 avio_wb32(pb, track->default_sample_flags);
4301 return update_size(pb, pos);
4304 static int mov_write_trun_tag(AVIOContext *pb, MOVMuxContext *mov,
4305 MOVTrack *track, int moof_size,
4308 int64_t pos = avio_tell(pb);
4309 uint32_t flags = MOV_TRUN_DATA_OFFSET;
4312 for (i = first; i < end; i++) {
4313 if (get_cluster_duration(track, i) != track->default_duration)
4314 flags |= MOV_TRUN_SAMPLE_DURATION;
4315 if (track->cluster[i].size != track->default_size)
4316 flags |= MOV_TRUN_SAMPLE_SIZE;
4317 if (i > first && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
4318 flags |= MOV_TRUN_SAMPLE_FLAGS;
4320 if (!(flags & MOV_TRUN_SAMPLE_FLAGS) && track->entry > 0 &&
4321 get_sample_flags(track, &track->cluster[0]) != track->default_sample_flags)
4322 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
4323 if (track->flags & MOV_TRACK_CTTS)
4324 flags |= MOV_TRUN_SAMPLE_CTS;
4326 avio_wb32(pb, 0); /* size placeholder */
4327 ffio_wfourcc(pb, "trun");
4328 if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4329 avio_w8(pb, 1); /* version */
4331 avio_w8(pb, 0); /* version */
4332 avio_wb24(pb, flags);
4334 avio_wb32(pb, end - first); /* sample count */
4335 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
4336 !(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) &&
4338 avio_wb32(pb, 0); /* Later tracks follow immediately after the previous one */
4340 avio_wb32(pb, moof_size + 8 + track->data_offset +
4341 track->cluster[first].pos); /* data offset */
4342 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
4343 avio_wb32(pb, get_sample_flags(track, &track->cluster[first]));
4345 for (i = first; i < end; i++) {
4346 if (flags & MOV_TRUN_SAMPLE_DURATION)
4347 avio_wb32(pb, get_cluster_duration(track, i));
4348 if (flags & MOV_TRUN_SAMPLE_SIZE)
4349 avio_wb32(pb, track->cluster[i].size);
4350 if (flags & MOV_TRUN_SAMPLE_FLAGS)
4351 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
4352 if (flags & MOV_TRUN_SAMPLE_CTS)
4353 avio_wb32(pb, track->cluster[i].cts);
4356 mov->first_trun = 0;
4357 return update_size(pb, pos);
4360 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
4362 int64_t pos = avio_tell(pb);
4363 static const uint8_t uuid[] = {
4364 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
4365 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
4368 avio_wb32(pb, 0); /* size placeholder */
4369 ffio_wfourcc(pb, "uuid");
4370 avio_write(pb, uuid, sizeof(uuid));
4373 avio_wb64(pb, track->start_dts + track->frag_start +
4374 track->cluster[0].cts);
4375 avio_wb64(pb, track->end_pts -
4376 (track->cluster[0].dts + track->cluster[0].cts));
4378 return update_size(pb, pos);
4381 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
4382 MOVTrack *track, int entry)
4384 int n = track->nb_frag_info - 1 - entry, i;
4385 int size = 8 + 16 + 4 + 1 + 16*n;
4386 static const uint8_t uuid[] = {
4387 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
4388 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
4394 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
4395 avio_wb32(pb, size);
4396 ffio_wfourcc(pb, "uuid");
4397 avio_write(pb, uuid, sizeof(uuid));
4401 for (i = 0; i < n; i++) {
4402 int index = entry + 1 + i;
4403 avio_wb64(pb, track->frag_info[index].time);
4404 avio_wb64(pb, track->frag_info[index].duration);
4406 if (n < mov->ism_lookahead) {
4407 int free_size = 16 * (mov->ism_lookahead - n);
4408 avio_wb32(pb, free_size);
4409 ffio_wfourcc(pb, "free");
4410 ffio_fill(pb, 0, free_size - 8);
4416 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
4419 int64_t pos = avio_tell(pb);
4421 for (i = 0; i < mov->ism_lookahead; i++) {
4422 /* Update the tfrf tag for the last ism_lookahead fragments,
4423 * nb_frag_info - 1 is the next fragment to be written. */
4424 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
4426 avio_seek(pb, pos, SEEK_SET);
4430 static int mov_add_tfra_entries(AVIOContext *pb, MOVMuxContext *mov, int tracks,
4434 for (i = 0; i < mov->nb_streams; i++) {
4435 MOVTrack *track = &mov->tracks[i];
4436 MOVFragmentInfo *info;
4437 if ((tracks >= 0 && i != tracks) || !track->entry)
4439 track->nb_frag_info++;
4440 if (track->nb_frag_info >= track->frag_info_capacity) {
4441 unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT;
4442 if (av_reallocp_array(&track->frag_info,
4444 sizeof(*track->frag_info)))
4445 return AVERROR(ENOMEM);
4446 track->frag_info_capacity = new_capacity;
4448 info = &track->frag_info[track->nb_frag_info - 1];
4449 info->offset = avio_tell(pb);
4451 // Try to recreate the original pts for the first packet
4452 // from the fields we have stored
4453 info->time = track->start_dts + track->frag_start +
4454 track->cluster[0].cts;
4455 info->duration = track->end_pts -
4456 (track->cluster[0].dts + track->cluster[0].cts);
4457 // If the pts is less than zero, we will have trimmed
4458 // away parts of the media track using an edit list,
4459 // and the corresponding start presentation time is zero.
4460 if (info->time < 0) {
4461 info->duration += info->time;
4464 info->tfrf_offset = 0;
4465 mov_write_tfrf_tags(pb, mov, track);
4470 static void mov_prune_frag_info(MOVMuxContext *mov, int tracks, int max)
4473 for (i = 0; i < mov->nb_streams; i++) {
4474 MOVTrack *track = &mov->tracks[i];
4475 if ((tracks >= 0 && i != tracks) || !track->entry)
4477 if (track->nb_frag_info > max) {
4478 memmove(track->frag_info, track->frag_info + (track->nb_frag_info - max), max * sizeof(*track->frag_info));
4479 track->nb_frag_info = max;
4484 static int mov_write_tfdt_tag(AVIOContext *pb, MOVTrack *track)
4486 int64_t pos = avio_tell(pb);
4488 avio_wb32(pb, 0); /* size */
4489 ffio_wfourcc(pb, "tfdt");
4490 avio_w8(pb, 1); /* version */
4492 avio_wb64(pb, track->frag_start);
4493 return update_size(pb, pos);
4496 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
4497 MOVTrack *track, int64_t moof_offset,
4500 int64_t pos = avio_tell(pb);
4502 avio_wb32(pb, 0); /* size placeholder */
4503 ffio_wfourcc(pb, "traf");
4505 mov_write_tfhd_tag(pb, mov, track, moof_offset);
4506 if (mov->mode != MODE_ISM)
4507 mov_write_tfdt_tag(pb, track);
4508 for (i = 1; i < track->entry; i++) {
4509 if (track->cluster[i].pos != track->cluster[i - 1].pos + track->cluster[i - 1].size) {
4510 mov_write_trun_tag(pb, mov, track, moof_size, start, i);
4514 mov_write_trun_tag(pb, mov, track, moof_size, start, track->entry);
4515 if (mov->mode == MODE_ISM) {
4516 mov_write_tfxd_tag(pb, track);
4518 if (mov->ism_lookahead) {
4519 int i, size = 16 + 4 + 1 + 16 * mov->ism_lookahead;
4521 if (track->nb_frag_info > 0) {
4522 MOVFragmentInfo *info = &track->frag_info[track->nb_frag_info - 1];
4523 if (!info->tfrf_offset)
4524 info->tfrf_offset = avio_tell(pb);
4526 avio_wb32(pb, 8 + size);
4527 ffio_wfourcc(pb, "free");
4528 for (i = 0; i < size; i++)
4533 return update_size(pb, pos);
4536 static int mov_write_moof_tag_internal(AVIOContext *pb, MOVMuxContext *mov,
4537 int tracks, int moof_size)
4539 int64_t pos = avio_tell(pb);
4542 avio_wb32(pb, 0); /* size placeholder */
4543 ffio_wfourcc(pb, "moof");
4544 mov->first_trun = 1;
4546 mov_write_mfhd_tag(pb, mov);
4547 for (i = 0; i < mov->nb_streams; i++) {
4548 MOVTrack *track = &mov->tracks[i];
4549 if (tracks >= 0 && i != tracks)
4553 mov_write_traf_tag(pb, mov, track, pos, moof_size);
4556 return update_size(pb, pos);
4559 static int mov_write_sidx_tag(AVIOContext *pb,
4560 MOVTrack *track, int ref_size, int total_sidx_size)
4562 int64_t pos = avio_tell(pb), offset_pos, end_pos;
4563 int64_t presentation_time, duration, offset;
4564 unsigned starts_with_SAP;
4569 presentation_time = track->start_dts + track->frag_start +
4570 track->cluster[0].cts;
4571 duration = track->end_pts -
4572 (track->cluster[0].dts + track->cluster[0].cts);
4573 starts_with_SAP = track->cluster[0].flags & MOV_SYNC_SAMPLE;
4575 // pts<0 should be cut away using edts
4576 if (presentation_time < 0) {
4577 duration += presentation_time;
4578 presentation_time = 0;
4581 entries = track->nb_frag_info;
4584 presentation_time = track->frag_info[0].time;
4587 avio_wb32(pb, 0); /* size */
4588 ffio_wfourcc(pb, "sidx");
4589 avio_w8(pb, 1); /* version */
4591 avio_wb32(pb, track->track_id); /* reference_ID */
4592 avio_wb32(pb, track->timescale); /* timescale */
4593 avio_wb64(pb, presentation_time); /* earliest_presentation_time */
4594 offset_pos = avio_tell(pb);
4595 avio_wb64(pb, 0); /* first_offset (offset to referenced moof) */
4596 avio_wb16(pb, 0); /* reserved */
4598 avio_wb16(pb, entries); /* reference_count */
4599 for (i = 0; i < entries; i++) {
4600 if (!track->entry) {
4601 if (i > 1 && track->frag_info[i].offset != track->frag_info[i - 1].offset + track->frag_info[i - 1].size) {
4602 av_log(NULL, AV_LOG_ERROR, "Non-consecutive fragments, writing incorrect sidx\n");
4604 duration = track->frag_info[i].duration;
4605 ref_size = track->frag_info[i].size;
4606 starts_with_SAP = 1;
4608 avio_wb32(pb, (0 << 31) | (ref_size & 0x7fffffff)); /* reference_type (0 = media) | referenced_size */
4609 avio_wb32(pb, duration); /* subsegment_duration */
4610 avio_wb32(pb, (starts_with_SAP << 31) | (0 << 28) | 0); /* starts_with_SAP | SAP_type | SAP_delta_time */
4613 end_pos = avio_tell(pb);
4614 offset = pos + total_sidx_size - end_pos;
4615 avio_seek(pb, offset_pos, SEEK_SET);
4616 avio_wb64(pb, offset);
4617 avio_seek(pb, end_pos, SEEK_SET);
4618 return update_size(pb, pos);
4621 static int mov_write_sidx_tags(AVIOContext *pb, MOVMuxContext *mov,
4622 int tracks, int ref_size)
4625 AVIOContext *avio_buf;
4627 for (round = 0; round < 2; round++) {
4628 // First run one round to calculate the total size of all
4630 // This would be much simpler if we'd only write one sidx
4631 // atom, for the first track in the moof.
4633 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
4638 for (i = 0; i < mov->nb_streams; i++) {
4639 MOVTrack *track = &mov->tracks[i];
4640 if (tracks >= 0 && i != tracks)
4642 // When writing a sidx for the full file, entry is 0, but
4643 // we want to include all tracks. ref_size is 0 in this case,
4644 // since we read it from frag_info instead.
4645 if (!track->entry && ref_size > 0)
4647 total_size -= mov_write_sidx_tag(avio_buf, track, ref_size,
4651 total_size = ffio_close_null_buf(avio_buf);
4656 static int mov_write_prft_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
4658 int64_t pos = avio_tell(pb), pts_us, ntp_ts;
4659 MOVTrack *first_track;
4662 /* PRFT should be associated with at most one track. So, choosing only the
4666 first_track = &(mov->tracks[0]);
4668 if (!first_track->entry) {
4669 av_log(mov->fc, AV_LOG_WARNING, "Unable to write PRFT, no entries in the track\n");
4673 if (first_track->cluster[0].pts == AV_NOPTS_VALUE) {
4674 av_log(mov->fc, AV_LOG_WARNING, "Unable to write PRFT, first PTS is invalid\n");
4678 if (mov->write_prft == MOV_PRFT_SRC_WALLCLOCK) {
4679 if (first_track->cluster[0].prft.wallclock) {
4680 /* Round the NTP time to whole milliseconds. */
4681 ntp_ts = ff_get_formatted_ntp_time((first_track->cluster[0].prft.wallclock / 1000) * 1000 +
4683 flags = first_track->cluster[0].prft.flags;
4685 ntp_ts = ff_get_formatted_ntp_time(ff_ntp_time());
4686 } else if (mov->write_prft == MOV_PRFT_SRC_PTS) {
4687 pts_us = av_rescale_q(first_track->cluster[0].pts,
4688 first_track->st->time_base, AV_TIME_BASE_Q);
4689 ntp_ts = ff_get_formatted_ntp_time(pts_us + NTP_OFFSET_US);
4691 av_log(mov->fc, AV_LOG_WARNING, "Unsupported PRFT box configuration: %d\n",
4696 avio_wb32(pb, 0); // Size place holder
4697 ffio_wfourcc(pb, "prft"); // Type
4698 avio_w8(pb, 1); // Version
4699 avio_wb24(pb, flags); // Flags
4700 avio_wb32(pb, first_track->track_id); // reference track ID
4701 avio_wb64(pb, ntp_ts); // NTP time stamp
4702 avio_wb64(pb, first_track->cluster[0].pts); //media time
4703 return update_size(pb, pos);
4706 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks,
4709 AVIOContext *avio_buf;
4712 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
4714 mov_write_moof_tag_internal(avio_buf, mov, tracks, 0);
4715 moof_size = ffio_close_null_buf(avio_buf);
4717 if (mov->flags & FF_MOV_FLAG_DASH &&
4718 !(mov->flags & (FF_MOV_FLAG_GLOBAL_SIDX | FF_MOV_FLAG_SKIP_SIDX)))
4719 mov_write_sidx_tags(pb, mov, tracks, moof_size + 8 + mdat_size);
4721 if (mov->write_prft > MOV_PRFT_NONE && mov->write_prft < MOV_PRFT_NB)
4722 mov_write_prft_tag(pb, mov, tracks);
4724 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX ||
4725 !(mov->flags & FF_MOV_FLAG_SKIP_TRAILER) ||
4726 mov->ism_lookahead) {
4727 if ((ret = mov_add_tfra_entries(pb, mov, tracks, moof_size + 8 + mdat_size)) < 0)
4729 if (!(mov->flags & FF_MOV_FLAG_GLOBAL_SIDX) &&
4730 mov->flags & FF_MOV_FLAG_SKIP_TRAILER) {
4731 mov_prune_frag_info(mov, tracks, mov->ism_lookahead + 1);
4735 return mov_write_moof_tag_internal(pb, mov, tracks, moof_size);
4738 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
4740 int64_t pos = avio_tell(pb);
4743 avio_wb32(pb, 0); /* size placeholder */
4744 ffio_wfourcc(pb, "tfra");
4745 avio_w8(pb, 1); /* version */
4748 avio_wb32(pb, track->track_id);
4749 avio_wb32(pb, 0); /* length of traf/trun/sample num */
4750 avio_wb32(pb, track->nb_frag_info);
4751 for (i = 0; i < track->nb_frag_info; i++) {
4752 avio_wb64(pb, track->frag_info[i].time);
4753 avio_wb64(pb, track->frag_info[i].offset + track->data_offset);
4754 avio_w8(pb, 1); /* traf number */
4755 avio_w8(pb, 1); /* trun number */
4756 avio_w8(pb, 1); /* sample number */
4759 return update_size(pb, pos);
4762 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
4764 int64_t pos = avio_tell(pb);
4767 avio_wb32(pb, 0); /* size placeholder */
4768 ffio_wfourcc(pb, "mfra");
4769 /* An empty mfra atom is enough to indicate to the publishing point that
4770 * the stream has ended. */
4771 if (mov->flags & FF_MOV_FLAG_ISML)
4772 return update_size(pb, pos);
4774 for (i = 0; i < mov->nb_streams; i++) {
4775 MOVTrack *track = &mov->tracks[i];
4776 if (track->nb_frag_info)
4777 mov_write_tfra_tag(pb, track);
4781 ffio_wfourcc(pb, "mfro");
4782 avio_wb32(pb, 0); /* version + flags */
4783 avio_wb32(pb, avio_tell(pb) + 4 - pos);
4785 return update_size(pb, pos);
4788 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
4790 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
4791 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
4793 mov->mdat_pos = avio_tell(pb);
4794 avio_wb32(pb, 0); /* size placeholder*/
4795 ffio_wfourcc(pb, "mdat");
4799 static void mov_write_ftyp_tag_internal(AVIOContext *pb, AVFormatContext *s,
4800 int has_h264, int has_video, int write_minor)
4802 MOVMuxContext *mov = s->priv_data;
4805 if (mov->major_brand && strlen(mov->major_brand) >= 4)
4806 ffio_wfourcc(pb, mov->major_brand);
4807 else if (mov->mode == MODE_3GP) {
4808 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
4809 minor = has_h264 ? 0x100 : 0x200;
4810 } else if (mov->mode & MODE_3G2) {
4811 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
4812 minor = has_h264 ? 0x20000 : 0x10000;
4813 } else if (mov->mode == MODE_PSP)
4814 ffio_wfourcc(pb, "MSNV");
4815 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_FRAGMENT &&
4816 mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4817 ffio_wfourcc(pb, "iso6"); // Required when using signed CTS offsets in trun boxes
4818 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
4819 ffio_wfourcc(pb, "iso5"); // Required when using default-base-is-moof
4820 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4821 ffio_wfourcc(pb, "iso4");
4822 else if (mov->mode == MODE_MP4)
4823 ffio_wfourcc(pb, "isom");
4824 else if (mov->mode == MODE_IPOD)
4825 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
4826 else if (mov->mode == MODE_ISM)
4827 ffio_wfourcc(pb, "isml");
4828 else if (mov->mode == MODE_F4V)
4829 ffio_wfourcc(pb, "f4v ");
4831 ffio_wfourcc(pb, "qt ");
4834 avio_wb32(pb, minor);
4837 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
4839 MOVMuxContext *mov = s->priv_data;
4840 int64_t pos = avio_tell(pb);
4841 int has_h264 = 0, has_video = 0;
4844 for (i = 0; i < s->nb_streams; i++) {
4845 AVStream *st = s->streams[i];
4846 if (is_cover_image(st))
4848 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
4850 if (st->codecpar->codec_id == AV_CODEC_ID_H264)
4854 avio_wb32(pb, 0); /* size */
4855 ffio_wfourcc(pb, "ftyp");
4857 // Write major brand
4858 mov_write_ftyp_tag_internal(pb, s, has_h264, has_video, 1);
4859 // Write the major brand as the first compatible brand as well
4860 mov_write_ftyp_tag_internal(pb, s, has_h264, has_video, 0);
4862 // Write compatible brands, ensuring that we don't write the major brand as a
4863 // compatible brand a second time.
4864 if (mov->mode == MODE_ISM) {
4865 ffio_wfourcc(pb, "piff");
4866 } else if (mov->mode != MODE_MOV) {
4867 // We add tfdt atoms when fragmenting, signal this with the iso6 compatible
4868 // brand, if not already the major brand. This is compatible with users that
4869 // don't understand tfdt.
4870 if (mov->mode == MODE_MP4) {
4871 if (mov->flags & FF_MOV_FLAG_CMAF)
4872 ffio_wfourcc(pb, "cmfc");
4873 if (mov->flags & FF_MOV_FLAG_FRAGMENT && !(mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS))
4874 ffio_wfourcc(pb, "iso6");
4876 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
4877 ffio_wfourcc(pb, "iso6");
4878 if (mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
4879 ffio_wfourcc(pb, "iso5");
4880 else if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4881 ffio_wfourcc(pb, "iso4");
4883 // Brands prior to iso5 can't be signaled when using default-base-is-moof
4884 if (!(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)) {
4885 // write isom for mp4 only if it it's not the major brand already.
4886 if (mov->mode != MODE_MP4 || mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4887 ffio_wfourcc(pb, "isom");
4888 ffio_wfourcc(pb, "iso2");
4890 ffio_wfourcc(pb, "avc1");
4894 if (mov->mode == MODE_MP4)
4895 ffio_wfourcc(pb, "mp41");
4897 if (mov->flags & FF_MOV_FLAG_DASH && mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
4898 ffio_wfourcc(pb, "dash");
4900 return update_size(pb, pos);
4903 static int mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
4905 AVStream *video_st = s->streams[0];
4906 AVCodecParameters *video_par = s->streams[0]->codecpar;
4907 AVCodecParameters *audio_par = s->streams[1]->codecpar;
4908 int audio_rate = audio_par->sample_rate;
4909 int64_t frame_rate = video_st->avg_frame_rate.den ?
4910 (video_st->avg_frame_rate.num * 0x10000LL) / video_st->avg_frame_rate.den :
4912 int audio_kbitrate = audio_par->bit_rate / 1000;
4913 int video_kbitrate = FFMIN(video_par->bit_rate / 1000, 800 - audio_kbitrate);
4915 if (frame_rate < 0 || frame_rate > INT32_MAX) {
4916 av_log(s, AV_LOG_ERROR, "Frame rate %f outside supported range\n", frame_rate / (double)0x10000);
4917 return AVERROR(EINVAL);
4920 avio_wb32(pb, 0x94); /* size */
4921 ffio_wfourcc(pb, "uuid");
4922 ffio_wfourcc(pb, "PROF");
4924 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
4925 avio_wb32(pb, 0xbb88695c);
4926 avio_wb32(pb, 0xfac9c740);
4928 avio_wb32(pb, 0x0); /* ? */
4929 avio_wb32(pb, 0x3); /* 3 sections ? */
4931 avio_wb32(pb, 0x14); /* size */
4932 ffio_wfourcc(pb, "FPRF");
4933 avio_wb32(pb, 0x0); /* ? */
4934 avio_wb32(pb, 0x0); /* ? */
4935 avio_wb32(pb, 0x0); /* ? */
4937 avio_wb32(pb, 0x2c); /* size */
4938 ffio_wfourcc(pb, "APRF"); /* audio */
4940 avio_wb32(pb, 0x2); /* TrackID */
4941 ffio_wfourcc(pb, "mp4a");
4942 avio_wb32(pb, 0x20f);
4944 avio_wb32(pb, audio_kbitrate);
4945 avio_wb32(pb, audio_kbitrate);
4946 avio_wb32(pb, audio_rate);
4947 avio_wb32(pb, audio_par->channels);
4949 avio_wb32(pb, 0x34); /* size */
4950 ffio_wfourcc(pb, "VPRF"); /* video */
4952 avio_wb32(pb, 0x1); /* TrackID */
4953 if (video_par->codec_id == AV_CODEC_ID_H264) {
4954 ffio_wfourcc(pb, "avc1");
4955 avio_wb16(pb, 0x014D);
4956 avio_wb16(pb, 0x0015);
4958 ffio_wfourcc(pb, "mp4v");
4959 avio_wb16(pb, 0x0000);
4960 avio_wb16(pb, 0x0103);
4963 avio_wb32(pb, video_kbitrate);
4964 avio_wb32(pb, video_kbitrate);
4965 avio_wb32(pb, frame_rate);
4966 avio_wb32(pb, frame_rate);
4967 avio_wb16(pb, video_par->width);
4968 avio_wb16(pb, video_par->height);
4969 avio_wb32(pb, 0x010001); /* ? */
4974 static int mov_write_identification(AVIOContext *pb, AVFormatContext *s)
4976 MOVMuxContext *mov = s->priv_data;
4979 mov_write_ftyp_tag(pb,s);
4980 if (mov->mode == MODE_PSP) {
4981 int video_streams_nb = 0, audio_streams_nb = 0, other_streams_nb = 0;
4982 for (i = 0; i < s->nb_streams; i++) {
4983 AVStream *st = s->streams[i];
4984 if (is_cover_image(st))
4986 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
4988 else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
4994 if (video_streams_nb != 1 || audio_streams_nb != 1 || other_streams_nb) {
4995 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
4996 return AVERROR(EINVAL);
4998 return mov_write_uuidprof_tag(pb, s);
5003 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
5006 int i, closed_gop = 0;
5008 for (i = 0; i < pkt->size - 4; i++) {
5009 c = (c << 8) + pkt->data[i];
5010 if (c == 0x1b8) { // gop
5011 closed_gop = pkt->data[i + 4] >> 6 & 0x01;
5012 } else if (c == 0x100) { // pic
5013 int temp_ref = (pkt->data[i + 1] << 2) | (pkt->data[i + 2] >> 6);
5014 if (!temp_ref || closed_gop) // I picture is not reordered
5015 *flags = MOV_SYNC_SAMPLE;
5017 *flags = MOV_PARTIAL_SYNC_SAMPLE;
5024 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk)
5026 const uint8_t *start, *next, *end = pkt->data + pkt->size;
5027 int seq = 0, entry = 0;
5028 int key = pkt->flags & AV_PKT_FLAG_KEY;
5029 start = find_next_marker(pkt->data, end);
5030 for (next = start; next < end; start = next) {
5031 next = find_next_marker(start + 4, end);
5032 switch (AV_RB32(start)) {
5033 case VC1_CODE_SEQHDR:
5036 case VC1_CODE_ENTRYPOINT:
5039 case VC1_CODE_SLICE:
5040 trk->vc1_info.slices = 1;
5044 if (!trk->entry && trk->vc1_info.first_packet_seen)
5045 trk->vc1_info.first_frag_written = 1;
5046 if (!trk->entry && !trk->vc1_info.first_frag_written) {
5047 /* First packet in first fragment */
5048 trk->vc1_info.first_packet_seq = seq;
5049 trk->vc1_info.first_packet_entry = entry;
5050 trk->vc1_info.first_packet_seen = 1;
5051 } else if ((seq && !trk->vc1_info.packet_seq) ||
5052 (entry && !trk->vc1_info.packet_entry)) {
5054 for (i = 0; i < trk->entry; i++)
5055 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
5056 trk->has_keyframes = 0;
5058 trk->vc1_info.packet_seq = 1;
5060 trk->vc1_info.packet_entry = 1;
5061 if (!trk->vc1_info.first_frag_written) {
5062 /* First fragment */
5063 if ((!seq || trk->vc1_info.first_packet_seq) &&
5064 (!entry || trk->vc1_info.first_packet_entry)) {
5065 /* First packet had the same headers as this one, readd the
5066 * sync sample flag. */
5067 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
5068 trk->has_keyframes = 1;
5072 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
5074 else if (trk->vc1_info.packet_seq)
5076 else if (trk->vc1_info.packet_entry)
5079 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
5080 trk->has_keyframes++;
5084 static void mov_parse_truehd_frame(AVPacket *pkt, MOVTrack *trk)
5091 length = (AV_RB16(pkt->data) & 0xFFF) * 2;
5092 if (length < 8 || length > pkt->size)
5095 if (AV_RB32(pkt->data + 4) == 0xF8726FBA) {
5096 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
5097 trk->has_keyframes++;
5103 static int mov_flush_fragment_interleaving(AVFormatContext *s, MOVTrack *track)
5105 MOVMuxContext *mov = s->priv_data;
5110 if (!track->mdat_buf)
5112 if (!mov->mdat_buf) {
5113 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
5116 buf_size = avio_get_dyn_buf(track->mdat_buf, &buf);
5118 offset = avio_tell(mov->mdat_buf);
5119 avio_write(mov->mdat_buf, buf, buf_size);
5120 ffio_free_dyn_buf(&track->mdat_buf);
5122 for (i = track->entries_flushed; i < track->entry; i++)
5123 track->cluster[i].pos += offset;
5124 track->entries_flushed = track->entry;
5128 static int mov_flush_fragment(AVFormatContext *s, int force)
5130 MOVMuxContext *mov = s->priv_data;
5131 int i, first_track = -1;
5132 int64_t mdat_size = 0;
5134 int has_video = 0, starts_with_key = 0, first_video_track = 1;
5136 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
5139 // Try to fill in the duration of the last packet in each stream
5140 // from queued packets in the interleave queues. If the flushing
5141 // of fragments was triggered automatically by an AVPacket, we
5142 // already have reliable info for the end of that track, but other
5143 // tracks may need to be filled in.
5144 for (i = 0; i < s->nb_streams; i++) {
5145 MOVTrack *track = &mov->tracks[i];
5146 if (!track->end_reliable) {
5148 if (!ff_interleaved_peek(s, i, &pkt, 1)) {
5149 if (track->dts_shift != AV_NOPTS_VALUE)
5150 pkt.dts += track->dts_shift;
5151 track->track_duration = pkt.dts - track->start_dts;
5152 if (pkt.pts != AV_NOPTS_VALUE)
5153 track->end_pts = pkt.pts;
5155 track->end_pts = pkt.dts;
5160 for (i = 0; i < mov->nb_streams; i++) {
5161 MOVTrack *track = &mov->tracks[i];
5162 if (track->entry <= 1)
5164 // Sample durations are calculated as the diff of dts values,
5165 // but for the last sample in a fragment, we don't know the dts
5166 // of the first sample in the next fragment, so we have to rely
5167 // on what was set as duration in the AVPacket. Not all callers
5168 // set this though, so we might want to replace it with an
5169 // estimate if it currently is zero.
5170 if (get_cluster_duration(track, track->entry - 1) != 0)
5172 // Use the duration (i.e. dts diff) of the second last sample for
5173 // the last one. This is a wild guess (and fatal if it turns out
5174 // to be too long), but probably the best we can do - having a zero
5175 // duration is bad as well.
5176 track->track_duration += get_cluster_duration(track, track->entry - 2);
5177 track->end_pts += get_cluster_duration(track, track->entry - 2);
5178 if (!mov->missing_duration_warned) {
5179 av_log(s, AV_LOG_WARNING,
5180 "Estimating the duration of the last packet in a "
5181 "fragment, consider setting the duration field in "
5182 "AVPacket instead.\n");
5183 mov->missing_duration_warned = 1;
5187 if (!mov->moov_written) {
5188 int64_t pos = avio_tell(s->pb);
5190 int buf_size, moov_size;
5192 for (i = 0; i < mov->nb_streams; i++)
5193 if (!mov->tracks[i].entry && !is_cover_image(mov->tracks[i].st))
5195 /* Don't write the initial moov unless all tracks have data */
5196 if (i < mov->nb_streams && !force)
5199 moov_size = get_moov_size(s);
5200 for (i = 0; i < mov->nb_streams; i++)
5201 mov->tracks[i].data_offset = pos + moov_size + 8;
5203 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_HEADER);
5204 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
5205 mov_write_identification(s->pb, s);
5206 if ((ret = mov_write_moov_tag(s->pb, mov, s)) < 0)
5209 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV) {
5210 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
5211 mov->reserved_header_pos = avio_tell(s->pb);
5212 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
5213 mov->moov_written = 1;
5217 buf_size = avio_get_dyn_buf(mov->mdat_buf, &buf);
5218 avio_wb32(s->pb, buf_size + 8);
5219 ffio_wfourcc(s->pb, "mdat");
5220 avio_write(s->pb, buf, buf_size);
5221 ffio_free_dyn_buf(&mov->mdat_buf);
5223 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
5224 mov->reserved_header_pos = avio_tell(s->pb);
5226 mov->moov_written = 1;
5228 for (i = 0; i < mov->nb_streams; i++) {
5229 if (mov->tracks[i].entry)
5230 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
5231 mov->tracks[i].track_duration -
5232 mov->tracks[i].cluster[0].dts;
5233 mov->tracks[i].entry = 0;
5234 mov->tracks[i].end_reliable = 0;
5236 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
5240 if (mov->frag_interleave) {
5241 for (i = 0; i < mov->nb_streams; i++) {
5242 MOVTrack *track = &mov->tracks[i];
5244 if ((ret = mov_flush_fragment_interleaving(s, track)) < 0)
5250 mdat_size = avio_tell(mov->mdat_buf);
5253 for (i = 0; i < mov->nb_streams; i++) {
5254 MOVTrack *track = &mov->tracks[i];
5255 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF || mov->frag_interleave)
5256 track->data_offset = 0;
5258 track->data_offset = mdat_size;
5259 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
5261 if (first_video_track) {
5263 starts_with_key = track->cluster[0].flags & MOV_SYNC_SAMPLE;
5264 first_video_track = 0;
5269 if (track->mdat_buf)
5270 mdat_size += avio_tell(track->mdat_buf);
5271 if (first_track < 0)
5278 avio_write_marker(s->pb,
5279 av_rescale(mov->tracks[first_track].cluster[0].dts, AV_TIME_BASE, mov->tracks[first_track].timescale),
5280 (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);
5282 for (i = 0; i < mov->nb_streams; i++) {
5283 MOVTrack *track = &mov->tracks[i];
5284 int buf_size, write_moof = 1, moof_tracks = -1;
5286 int64_t duration = 0;
5289 duration = track->start_dts + track->track_duration -
5290 track->cluster[0].dts;
5291 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
5292 if (!track->mdat_buf)
5294 mdat_size = avio_tell(track->mdat_buf);
5297 write_moof = i == first_track;
5301 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
5303 mov_write_moof_tag(s->pb, mov, moof_tracks, mdat_size);
5306 avio_wb32(s->pb, mdat_size + 8);
5307 ffio_wfourcc(s->pb, "mdat");
5311 track->frag_start += duration;
5313 track->entries_flushed = 0;
5314 track->end_reliable = 0;
5315 if (!mov->frag_interleave) {
5316 if (!track->mdat_buf)
5318 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
5319 track->mdat_buf = NULL;
5323 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
5324 mov->mdat_buf = NULL;
5327 avio_write(s->pb, buf, buf_size);
5333 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
5337 static int mov_auto_flush_fragment(AVFormatContext *s, int force)
5339 MOVMuxContext *mov = s->priv_data;
5340 int had_moov = mov->moov_written;
5341 int ret = mov_flush_fragment(s, force);
5344 // If using delay_moov, the first flush only wrote the moov,
5345 // not the actual moof+mdat pair, thus flush once again.
5346 if (!had_moov && mov->flags & FF_MOV_FLAG_DELAY_MOOV)
5347 ret = mov_flush_fragment(s, force);
5351 static int check_pkt(AVFormatContext *s, AVPacket *pkt)
5353 MOVMuxContext *mov = s->priv_data;
5354 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5359 ref = trk->cluster[trk->entry - 1].dts;
5360 } else if ( trk->start_dts != AV_NOPTS_VALUE
5361 && !trk->frag_discont) {
5362 ref = trk->start_dts + trk->track_duration;
5364 ref = pkt->dts; // Skip tests for the first packet
5366 if (trk->dts_shift != AV_NOPTS_VALUE) {
5367 /* With negative CTS offsets we have set an offset to the DTS,
5368 * reverse this for the check. */
5369 ref -= trk->dts_shift;
5372 duration = pkt->dts - ref;
5373 if (pkt->dts < ref || duration >= INT_MAX) {
5374 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" / timestamp: %"PRId64" is out of range for mov/mp4 format\n",
5379 pkt->pts = AV_NOPTS_VALUE;
5382 if (pkt->duration < 0 || pkt->duration > INT_MAX) {
5383 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" is invalid\n", pkt->duration);
5384 return AVERROR(EINVAL);
5389 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
5391 MOVMuxContext *mov = s->priv_data;
5392 AVIOContext *pb = s->pb;
5393 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5394 AVCodecParameters *par = trk->par;
5395 AVProducerReferenceTime *prft;
5396 unsigned int samples_in_chunk = 0;
5397 int size = pkt->size, ret = 0, offset = 0;
5399 uint8_t *reformatted_data = NULL;
5401 ret = check_pkt(s, pkt);
5405 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
5407 if (mov->moov_written || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
5408 if (mov->frag_interleave && mov->fragments > 0) {
5409 if (trk->entry - trk->entries_flushed >= mov->frag_interleave) {
5410 if ((ret = mov_flush_fragment_interleaving(s, trk)) < 0)
5415 if (!trk->mdat_buf) {
5416 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
5421 if (!mov->mdat_buf) {
5422 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
5429 if (par->codec_id == AV_CODEC_ID_AMR_NB) {
5430 /* We must find out how many AMR blocks there are in one packet */
5431 static const uint16_t packed_size[16] =
5432 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
5435 while (len < size && samples_in_chunk < 100) {
5436 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
5439 if (samples_in_chunk > 1) {
5440 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
5443 } else if (par->codec_id == AV_CODEC_ID_ADPCM_MS ||
5444 par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
5445 samples_in_chunk = trk->par->frame_size;
5446 } else if (trk->sample_size)
5447 samples_in_chunk = size / trk->sample_size;
5449 samples_in_chunk = 1;
5451 if (samples_in_chunk < 1) {
5452 av_log(s, AV_LOG_ERROR, "fatal error, input packet contains no samples\n");
5453 return AVERROR_PATCHWELCOME;
5456 /* copy extradata if it exists */
5457 if (trk->vos_len == 0 && par->extradata_size > 0 &&
5458 !TAG_IS_AVCI(trk->tag) &&
5459 (par->codec_id != AV_CODEC_ID_DNXHD)) {
5460 trk->vos_len = par->extradata_size;
5461 trk->vos_data = av_malloc(trk->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
5462 if (!trk->vos_data) {
5463 ret = AVERROR(ENOMEM);
5466 memcpy(trk->vos_data, par->extradata, trk->vos_len);
5467 memset(trk->vos_data + trk->vos_len, 0, AV_INPUT_BUFFER_PADDING_SIZE);
5470 if (par->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 &&
5471 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
5472 if (!s->streams[pkt->stream_index]->nb_frames) {
5473 av_log(s, AV_LOG_ERROR, "Malformed AAC bitstream detected: "
5474 "use the audio bitstream filter 'aac_adtstoasc' to fix it "
5475 "('-bsf:a aac_adtstoasc' option with ffmpeg)\n");
5478 av_log(s, AV_LOG_WARNING, "aac bitstream error\n");
5480 if (par->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1 && !TAG_IS_AVCI(trk->tag)) {
5481 /* from x264 or from bytestream H.264 */
5482 /* NAL reformatting needed */
5483 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5484 ret = ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
5488 avio_write(pb, reformatted_data, size);
5490 if (trk->cenc.aes_ctr) {
5491 size = ff_mov_cenc_avc_parse_nal_units(&trk->cenc, pb, pkt->data, size);
5497 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
5500 } else if (par->codec_id == AV_CODEC_ID_HEVC && trk->vos_len > 6 &&
5501 (AV_RB24(trk->vos_data) == 1 || AV_RB32(trk->vos_data) == 1)) {
5502 /* extradata is Annex B, assume the bitstream is too and convert it */
5503 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5504 ret = ff_hevc_annexb2mp4_buf(pkt->data, &reformatted_data,
5508 avio_write(pb, reformatted_data, size);
5510 size = ff_hevc_annexb2mp4(pb, pkt->data, pkt->size, 0, NULL);
5512 } else if (par->codec_id == AV_CODEC_ID_AV1) {
5513 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5514 ret = ff_av1_filter_obus_buf(pkt->data, &reformatted_data,
5518 avio_write(pb, reformatted_data, size);
5520 size = ff_av1_filter_obus(pb, pkt->data, pkt->size);
5522 #if CONFIG_AC3_PARSER
5523 } else if (par->codec_id == AV_CODEC_ID_EAC3) {
5524 size = handle_eac3(mov, pkt, trk);
5529 avio_write(pb, pkt->data, size);
5532 if (trk->cenc.aes_ctr) {
5533 if (par->codec_id == AV_CODEC_ID_H264 && par->extradata_size > 4) {
5534 int nal_size_length = (par->extradata[4] & 0x3) + 1;
5535 ret = ff_mov_cenc_avc_write_nal_units(s, &trk->cenc, nal_size_length, pb, pkt->data, size);
5537 ret = ff_mov_cenc_write_packet(&trk->cenc, pb, pkt->data, size);
5544 avio_write(pb, pkt->data, size);
5548 if ((par->codec_id == AV_CODEC_ID_DNXHD ||
5549 par->codec_id == AV_CODEC_ID_TRUEHD ||
5550 par->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len) {
5551 /* copy frame to create needed atoms */
5552 trk->vos_len = size;
5553 trk->vos_data = av_malloc(size + AV_INPUT_BUFFER_PADDING_SIZE);
5554 if (!trk->vos_data) {
5555 ret = AVERROR(ENOMEM);
5558 memcpy(trk->vos_data, pkt->data, size);
5559 memset(trk->vos_data + size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
5562 if (trk->entry >= trk->cluster_capacity) {
5563 unsigned new_capacity = trk->entry + MOV_INDEX_CLUSTER_SIZE;
5564 if (av_reallocp_array(&trk->cluster, new_capacity,
5565 sizeof(*trk->cluster))) {
5566 ret = AVERROR(ENOMEM);
5569 trk->cluster_capacity = new_capacity;
5572 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
5573 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
5574 trk->cluster[trk->entry].chunkNum = 0;
5575 trk->cluster[trk->entry].size = size;
5576 trk->cluster[trk->entry].entries = samples_in_chunk;
5577 trk->cluster[trk->entry].dts = pkt->dts;
5578 trk->cluster[trk->entry].pts = pkt->pts;
5579 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
5580 if (!trk->frag_discont) {
5581 /* First packet of a new fragment. We already wrote the duration
5582 * of the last packet of the previous fragment based on track_duration,
5583 * which might not exactly match our dts. Therefore adjust the dts
5584 * of this packet to be what the previous packets duration implies. */
5585 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
5586 /* We also may have written the pts and the corresponding duration
5587 * in sidx/tfrf/tfxd tags; make sure the sidx pts and duration match up with
5588 * the next fragment. This means the cts of the first sample must
5589 * be the same in all fragments, unless end_pts was updated by
5590 * the packet causing the fragment to be written. */
5591 if ((mov->flags & FF_MOV_FLAG_DASH &&
5592 !(mov->flags & (FF_MOV_FLAG_GLOBAL_SIDX | FF_MOV_FLAG_SKIP_SIDX))) ||
5593 mov->mode == MODE_ISM)
5594 pkt->pts = pkt->dts + trk->end_pts - trk->cluster[trk->entry].dts;
5596 /* New fragment, but discontinuous from previous fragments.
5597 * Pretend the duration sum of the earlier fragments is
5598 * pkt->dts - trk->start_dts. */
5599 trk->frag_start = pkt->dts - trk->start_dts;
5600 trk->end_pts = AV_NOPTS_VALUE;
5601 trk->frag_discont = 0;
5605 if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !mov->use_editlist &&
5606 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO) {
5607 /* Not using edit lists and shifting the first track to start from zero.
5608 * If the other streams start from a later timestamp, we won't be able
5609 * to signal the difference in starting time without an edit list.
5610 * Thus move the timestamp for this first sample to 0, increasing
5611 * its duration instead. */
5612 trk->cluster[trk->entry].dts = trk->start_dts = 0;
5614 if (trk->start_dts == AV_NOPTS_VALUE) {
5615 trk->start_dts = pkt->dts;
5616 if (trk->frag_discont) {
5617 if (mov->use_editlist) {
5618 /* Pretend the whole stream started at pts=0, with earlier fragments
5619 * already written. If the stream started at pts=0, the duration sum
5620 * of earlier fragments would have been pkt->pts. */
5621 trk->frag_start = pkt->pts;
5622 trk->start_dts = pkt->dts - pkt->pts;
5624 /* Pretend the whole stream started at dts=0, with earlier fragments
5625 * already written, with a duration summing up to pkt->dts. */
5626 trk->frag_start = pkt->dts;
5629 trk->frag_discont = 0;
5630 } else if (pkt->dts && mov->moov_written)
5631 av_log(s, AV_LOG_WARNING,
5632 "Track %d starts with a nonzero dts %"PRId64", while the moov "
5633 "already has been written. Set the delay_moov flag to handle "
5635 pkt->stream_index, pkt->dts);
5637 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
5638 trk->last_sample_is_subtitle_end = 0;
5640 if (pkt->pts == AV_NOPTS_VALUE) {
5641 av_log(s, AV_LOG_WARNING, "pts has no value\n");
5642 pkt->pts = pkt->dts;
5644 if (pkt->dts != pkt->pts)
5645 trk->flags |= MOV_TRACK_CTTS;
5646 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
5647 trk->cluster[trk->entry].flags = 0;
5648 if (trk->start_cts == AV_NOPTS_VALUE)
5649 trk->start_cts = pkt->pts - pkt->dts;
5650 if (trk->end_pts == AV_NOPTS_VALUE)
5651 trk->end_pts = trk->cluster[trk->entry].dts +
5652 trk->cluster[trk->entry].cts + pkt->duration;
5654 trk->end_pts = FFMAX(trk->end_pts, trk->cluster[trk->entry].dts +
5655 trk->cluster[trk->entry].cts +
5658 if (par->codec_id == AV_CODEC_ID_VC1) {
5659 mov_parse_vc1_frame(pkt, trk);
5660 } else if (par->codec_id == AV_CODEC_ID_TRUEHD) {
5661 mov_parse_truehd_frame(pkt, trk);
5662 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
5663 if (mov->mode == MODE_MOV && par->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
5664 trk->entry > 0) { // force sync sample for the first key frame
5665 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
5666 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
5667 trk->flags |= MOV_TRACK_STPS;
5669 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
5671 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
5672 trk->has_keyframes++;
5674 if (pkt->flags & AV_PKT_FLAG_DISPOSABLE) {
5675 trk->cluster[trk->entry].flags |= MOV_DISPOSABLE_SAMPLE;
5676 trk->has_disposable++;
5679 prft = (AVProducerReferenceTime *)av_packet_get_side_data(pkt, AV_PKT_DATA_PRFT, &prft_size);
5680 if (prft && prft_size == sizeof(AVProducerReferenceTime))
5681 memcpy(&trk->cluster[trk->entry].prft, prft, prft_size);
5683 memset(&trk->cluster[trk->entry].prft, 0, sizeof(AVProducerReferenceTime));
5686 trk->sample_count += samples_in_chunk;
5687 mov->mdat_size += size;
5689 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
5690 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
5691 reformatted_data ? reformatted_data + offset
5697 if (pkt->data != reformatted_data)
5698 av_free(reformatted_data);
5702 static int mov_write_single_packet(AVFormatContext *s, AVPacket *pkt)
5704 MOVMuxContext *mov = s->priv_data;
5705 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5706 AVCodecParameters *par = trk->par;
5707 int64_t frag_duration = 0;
5708 int size = pkt->size;
5710 int ret = check_pkt(s, pkt);
5714 if (mov->flags & FF_MOV_FLAG_FRAG_DISCONT) {
5716 for (i = 0; i < s->nb_streams; i++)
5717 mov->tracks[i].frag_discont = 1;
5718 mov->flags &= ~FF_MOV_FLAG_FRAG_DISCONT;
5721 if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS) {
5722 if (trk->dts_shift == AV_NOPTS_VALUE)
5723 trk->dts_shift = pkt->pts - pkt->dts;
5724 pkt->dts += trk->dts_shift;
5727 if (trk->par->codec_id == AV_CODEC_ID_MP4ALS ||
5728 trk->par->codec_id == AV_CODEC_ID_AAC ||
5729 trk->par->codec_id == AV_CODEC_ID_AV1 ||
5730 trk->par->codec_id == AV_CODEC_ID_FLAC) {
5732 uint8_t *side = av_packet_get_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA, &side_size);
5733 if (side && side_size > 0 && (side_size != par->extradata_size || memcmp(side, par->extradata, side_size))) {
5734 void *newextra = av_mallocz(side_size + AV_INPUT_BUFFER_PADDING_SIZE);
5736 return AVERROR(ENOMEM);
5737 av_free(par->extradata);
5738 par->extradata = newextra;
5739 memcpy(par->extradata, side, side_size);
5740 par->extradata_size = side_size;
5741 if (!pkt->size) // Flush packet
5742 mov->need_rewrite_extradata = 1;
5747 if (trk->start_dts == AV_NOPTS_VALUE && trk->frag_discont) {
5748 trk->start_dts = pkt->dts;
5749 if (pkt->pts != AV_NOPTS_VALUE)
5750 trk->start_cts = pkt->pts - pkt->dts;
5755 return 0; /* Discard 0 sized packets */
5758 if (trk->entry && pkt->stream_index < s->nb_streams)
5759 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
5760 s->streams[pkt->stream_index]->time_base,
5762 if ((mov->max_fragment_duration &&
5763 frag_duration >= mov->max_fragment_duration) ||
5764 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
5765 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
5766 par->codec_type == AVMEDIA_TYPE_VIDEO &&
5767 trk->entry && pkt->flags & AV_PKT_FLAG_KEY) ||
5768 (mov->flags & FF_MOV_FLAG_FRAG_EVERY_FRAME)) {
5769 if (frag_duration >= mov->min_fragment_duration) {
5770 // Set the duration of this track to line up with the next
5771 // sample in this track. This avoids relying on AVPacket
5772 // duration, but only helps for this particular track, not
5773 // for the other ones that are flushed at the same time.
5774 trk->track_duration = pkt->dts - trk->start_dts;
5775 if (pkt->pts != AV_NOPTS_VALUE)
5776 trk->end_pts = pkt->pts;
5778 trk->end_pts = pkt->dts;
5779 trk->end_reliable = 1;
5780 mov_auto_flush_fragment(s, 0);
5784 return ff_mov_write_packet(s, pkt);
5787 static int mov_write_subtitle_end_packet(AVFormatContext *s,
5791 uint8_t data[2] = {0};
5794 av_init_packet(&end);
5795 end.size = sizeof(data);
5800 end.stream_index = stream_index;
5802 ret = mov_write_single_packet(s, &end);
5803 av_packet_unref(&end);
5808 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
5810 MOVMuxContext *mov = s->priv_data;
5814 mov_flush_fragment(s, 1);
5818 trk = &mov->tracks[pkt->stream_index];
5820 if (is_cover_image(trk->st)) {
5823 if (trk->st->nb_frames >= 1) {
5824 if (trk->st->nb_frames == 1)
5825 av_log(s, AV_LOG_WARNING, "Got more than one picture in stream %d,"
5826 " ignoring.\n", pkt->stream_index);
5830 if ((ret = av_packet_ref(&trk->cover_image, pkt)) < 0)
5838 return mov_write_single_packet(s, pkt); /* Passthrough. */
5841 * Subtitles require special handling.
5843 * 1) For full complaince, every track must have a sample at
5844 * dts == 0, which is rarely true for subtitles. So, as soon
5845 * as we see any packet with dts > 0, write an empty subtitle
5846 * at dts == 0 for any subtitle track with no samples in it.
5848 * 2) For each subtitle track, check if the current packet's
5849 * dts is past the duration of the last subtitle sample. If
5850 * so, we now need to write an end sample for that subtitle.
5852 * This must be done conditionally to allow for subtitles that
5853 * immediately replace each other, in which case an end sample
5854 * is not needed, and is, in fact, actively harmful.
5856 * 3) See mov_write_trailer for how the final end sample is
5859 for (i = 0; i < mov->nb_streams; i++) {
5860 MOVTrack *trk = &mov->tracks[i];
5863 if (trk->par->codec_id == AV_CODEC_ID_MOV_TEXT &&
5864 trk->track_duration < pkt->dts &&
5865 (trk->entry == 0 || !trk->last_sample_is_subtitle_end)) {
5866 ret = mov_write_subtitle_end_packet(s, i, trk->track_duration);
5867 if (ret < 0) return ret;
5868 trk->last_sample_is_subtitle_end = 1;
5872 if (trk->mode == MODE_MOV && trk->par->codec_type == AVMEDIA_TYPE_VIDEO) {
5873 AVPacket *opkt = pkt;
5874 int reshuffle_ret, ret;
5875 if (trk->is_unaligned_qt_rgb) {
5876 int64_t bpc = trk->par->bits_per_coded_sample != 15 ? trk->par->bits_per_coded_sample : 16;
5877 int expected_stride = ((trk->par->width * bpc + 15) >> 4)*2;
5878 reshuffle_ret = ff_reshuffle_raw_rgb(s, &pkt, trk->par, expected_stride);
5879 if (reshuffle_ret < 0)
5880 return reshuffle_ret;
5883 if (trk->par->format == AV_PIX_FMT_PAL8 && !trk->pal_done) {
5884 ret = ff_get_packet_palette(s, opkt, reshuffle_ret, trk->palette);
5889 } else if (trk->par->codec_id == AV_CODEC_ID_RAWVIDEO &&
5890 (trk->par->format == AV_PIX_FMT_GRAY8 ||
5891 trk->par->format == AV_PIX_FMT_MONOBLACK)) {
5892 for (i = 0; i < pkt->size; i++)
5893 pkt->data[i] = ~pkt->data[i];
5895 if (reshuffle_ret) {
5896 ret = mov_write_single_packet(s, pkt);
5899 av_packet_free(&pkt);
5904 return mov_write_single_packet(s, pkt);
5908 // QuickTime chapters involve an additional text track with the chapter names
5909 // as samples, and a tref pointing from the other tracks to the chapter one.
5910 static int mov_create_chapter_track(AVFormatContext *s, int tracknum)
5914 MOVMuxContext *mov = s->priv_data;
5915 MOVTrack *track = &mov->tracks[tracknum];
5916 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
5919 track->mode = mov->mode;
5920 track->tag = MKTAG('t','e','x','t');
5921 track->timescale = MOV_TIMESCALE;
5922 track->par = avcodec_parameters_alloc();
5924 return AVERROR(ENOMEM);
5925 track->par->codec_type = AVMEDIA_TYPE_SUBTITLE;
5927 // These properties are required to make QT recognize the chapter track
5928 uint8_t chapter_properties[43] = { 0, 0, 0, 0, 0, 0, 0, 1, };
5929 if (ff_alloc_extradata(track->par, sizeof(chapter_properties)))
5930 return AVERROR(ENOMEM);
5931 memcpy(track->par->extradata, chapter_properties, sizeof(chapter_properties));
5933 if (avio_open_dyn_buf(&pb) >= 0) {
5937 /* Stub header (usually for Quicktime chapter track) */
5939 avio_wb32(pb, 0x01); // displayFlags
5940 avio_w8(pb, 0x00); // horizontal justification
5941 avio_w8(pb, 0x00); // vertical justification
5942 avio_w8(pb, 0x00); // bgColourRed
5943 avio_w8(pb, 0x00); // bgColourGreen
5944 avio_w8(pb, 0x00); // bgColourBlue
5945 avio_w8(pb, 0x00); // bgColourAlpha
5947 avio_wb16(pb, 0x00); // defTextBoxTop
5948 avio_wb16(pb, 0x00); // defTextBoxLeft
5949 avio_wb16(pb, 0x00); // defTextBoxBottom
5950 avio_wb16(pb, 0x00); // defTextBoxRight
5952 avio_wb16(pb, 0x00); // startChar
5953 avio_wb16(pb, 0x00); // endChar
5954 avio_wb16(pb, 0x01); // fontID
5955 avio_w8(pb, 0x00); // fontStyleFlags
5956 avio_w8(pb, 0x00); // fontSize
5957 avio_w8(pb, 0x00); // fgColourRed
5958 avio_w8(pb, 0x00); // fgColourGreen
5959 avio_w8(pb, 0x00); // fgColourBlue
5960 avio_w8(pb, 0x00); // fgColourAlpha
5962 avio_wb32(pb, 0x0D); // box size
5963 ffio_wfourcc(pb, "ftab"); // box atom name
5964 avio_wb16(pb, 0x01); // entry count
5966 avio_wb16(pb, 0x01); // font ID
5967 avio_w8(pb, 0x00); // font name length
5969 if ((size = avio_close_dyn_buf(pb, &buf)) > 0) {
5970 track->par->extradata = buf;
5971 track->par->extradata_size = size;
5978 for (i = 0; i < s->nb_chapters; i++) {
5979 AVChapter *c = s->chapters[i];
5980 AVDictionaryEntry *t;
5982 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
5983 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
5984 pkt.duration = end - pkt.dts;
5986 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
5987 static const char encd[12] = {
5988 0x00, 0x00, 0x00, 0x0C,
5990 0x00, 0x00, 0x01, 0x00 };
5991 len = strlen(t->value);
5992 pkt.size = len + 2 + 12;
5993 pkt.data = av_malloc(pkt.size);
5995 return AVERROR(ENOMEM);
5996 AV_WB16(pkt.data, len);
5997 memcpy(pkt.data + 2, t->value, len);
5998 memcpy(pkt.data + len + 2, encd, sizeof(encd));
5999 ff_mov_write_packet(s, &pkt);
6000 av_freep(&pkt.data);
6008 static int mov_check_timecode_track(AVFormatContext *s, AVTimecode *tc, int src_index, const char *tcstr)
6012 /* compute the frame number */
6013 ret = av_timecode_init_from_string(tc, find_fps(s, s->streams[src_index]), tcstr, s);
6017 static int mov_create_timecode_track(AVFormatContext *s, int index, int src_index, AVTimecode tc)
6020 MOVMuxContext *mov = s->priv_data;
6021 MOVTrack *track = &mov->tracks[index];
6022 AVStream *src_st = s->streams[src_index];
6023 AVPacket pkt = {.stream_index = index, .flags = AV_PKT_FLAG_KEY, .size = 4};
6024 AVRational rate = find_fps(s, src_st);
6026 /* tmcd track based on video stream */
6027 track->mode = mov->mode;
6028 track->tag = MKTAG('t','m','c','d');
6029 track->src_track = src_index;
6030 track->timescale = mov->tracks[src_index].timescale;
6031 if (tc.flags & AV_TIMECODE_FLAG_DROPFRAME)
6032 track->timecode_flags |= MOV_TIMECODE_FLAG_DROPFRAME;
6034 /* set st to src_st for metadata access*/
6037 /* encode context: tmcd data stream */
6038 track->par = avcodec_parameters_alloc();
6040 return AVERROR(ENOMEM);
6041 track->par->codec_type = AVMEDIA_TYPE_DATA;
6042 track->par->codec_tag = track->tag;
6043 track->st->avg_frame_rate = av_inv_q(rate);
6045 /* the tmcd track just contains one packet with the frame number */
6046 pkt.data = av_malloc(pkt.size);
6048 return AVERROR(ENOMEM);
6049 AV_WB32(pkt.data, tc.start);
6050 ret = ff_mov_write_packet(s, &pkt);
6056 * st->disposition controls the "enabled" flag in the tkhd tag.
6057 * QuickTime will not play a track if it is not enabled. So make sure
6058 * that one track of each type (audio, video, subtitle) is enabled.
6060 * Subtitles are special. For audio and video, setting "enabled" also
6061 * makes the track "default" (i.e. it is rendered when played). For
6062 * subtitles, an "enabled" subtitle is not rendered by default, but
6063 * if no subtitle is enabled, the subtitle menu in QuickTime will be
6066 static void enable_tracks(AVFormatContext *s)
6068 MOVMuxContext *mov = s->priv_data;
6070 int enabled[AVMEDIA_TYPE_NB];
6071 int first[AVMEDIA_TYPE_NB];
6073 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
6078 for (i = 0; i < s->nb_streams; i++) {
6079 AVStream *st = s->streams[i];
6081 if (st->codecpar->codec_type <= AVMEDIA_TYPE_UNKNOWN ||
6082 st->codecpar->codec_type >= AVMEDIA_TYPE_NB ||
6086 if (first[st->codecpar->codec_type] < 0)
6087 first[st->codecpar->codec_type] = i;
6088 if (st->disposition & AV_DISPOSITION_DEFAULT) {
6089 mov->tracks[i].flags |= MOV_TRACK_ENABLED;
6090 enabled[st->codecpar->codec_type]++;
6094 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
6096 case AVMEDIA_TYPE_VIDEO:
6097 case AVMEDIA_TYPE_AUDIO:
6098 case AVMEDIA_TYPE_SUBTITLE:
6100 mov->per_stream_grouping = 1;
6101 if (!enabled[i] && first[i] >= 0)
6102 mov->tracks[first[i]].flags |= MOV_TRACK_ENABLED;
6108 static void mov_free(AVFormatContext *s)
6110 MOVMuxContext *mov = s->priv_data;
6113 if (mov->chapter_track) {
6114 if (mov->tracks[mov->chapter_track].par)
6115 av_freep(&mov->tracks[mov->chapter_track].par->extradata);
6116 av_freep(&mov->tracks[mov->chapter_track].par);
6119 for (i = 0; i < mov->nb_streams; i++) {
6120 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
6121 ff_mov_close_hinting(&mov->tracks[i]);
6122 else if (mov->tracks[i].tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd)
6123 av_freep(&mov->tracks[i].par);
6124 av_freep(&mov->tracks[i].cluster);
6125 av_freep(&mov->tracks[i].frag_info);
6126 av_packet_unref(&mov->tracks[i].cover_image);
6128 if (mov->tracks[i].eac3_priv) {
6129 struct eac3_info *info = mov->tracks[i].eac3_priv;
6130 av_packet_unref(&info->pkt);
6131 av_freep(&mov->tracks[i].eac3_priv);
6133 if (mov->tracks[i].vos_len)
6134 av_freep(&mov->tracks[i].vos_data);
6136 ff_mov_cenc_free(&mov->tracks[i].cenc);
6139 av_freep(&mov->tracks);
6142 static uint32_t rgb_to_yuv(uint32_t rgb)
6147 r = (rgb >> 16) & 0xFF;
6148 g = (rgb >> 8) & 0xFF;
6151 y = av_clip_uint8(( 16000 + 257 * r + 504 * g + 98 * b)/1000);
6152 cb = av_clip_uint8((128000 - 148 * r - 291 * g + 439 * b)/1000);
6153 cr = av_clip_uint8((128000 + 439 * r - 368 * g - 71 * b)/1000);
6155 return (y << 16) | (cr << 8) | cb;
6158 static int mov_create_dvd_sub_decoder_specific_info(MOVTrack *track,
6161 int i, width = 720, height = 480;
6162 int have_palette = 0, have_size = 0;
6163 uint32_t palette[16];
6164 char *cur = st->codecpar->extradata;
6166 while (cur && *cur) {
6167 if (strncmp("palette:", cur, 8) == 0) {
6169 count = sscanf(cur + 8,
6170 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
6171 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
6172 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
6173 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32"",
6174 &palette[ 0], &palette[ 1], &palette[ 2], &palette[ 3],
6175 &palette[ 4], &palette[ 5], &palette[ 6], &palette[ 7],
6176 &palette[ 8], &palette[ 9], &palette[10], &palette[11],
6177 &palette[12], &palette[13], &palette[14], &palette[15]);
6179 for (i = 0; i < count; i++) {
6180 palette[i] = rgb_to_yuv(palette[i]);
6183 } else if (!strncmp("size:", cur, 5)) {
6184 sscanf(cur + 5, "%dx%d", &width, &height);
6187 if (have_palette && have_size)
6189 cur += strcspn(cur, "\n\r");
6190 cur += strspn(cur, "\n\r");
6193 track->vos_data = av_malloc(16*4 + AV_INPUT_BUFFER_PADDING_SIZE);
6194 if (!track->vos_data)
6195 return AVERROR(ENOMEM);
6196 for (i = 0; i < 16; i++) {
6197 AV_WB32(track->vos_data + i * 4, palette[i]);
6199 memset(track->vos_data + 16*4, 0, AV_INPUT_BUFFER_PADDING_SIZE);
6200 track->vos_len = 16 * 4;
6202 st->codecpar->width = width;
6203 st->codecpar->height = track->height = height;
6208 static int mov_init(AVFormatContext *s)
6210 MOVMuxContext *mov = s->priv_data;
6211 AVDictionaryEntry *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
6216 /* Default mode == MP4 */
6217 mov->mode = MODE_MP4;
6220 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
6221 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
6222 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
6223 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
6224 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
6225 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
6226 else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V;
6229 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
6230 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV;
6232 /* Set the FRAGMENT flag if any of the fragmentation methods are
6234 if (mov->max_fragment_duration || mov->max_fragment_size ||
6235 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
6236 FF_MOV_FLAG_FRAG_KEYFRAME |
6237 FF_MOV_FLAG_FRAG_CUSTOM |
6238 FF_MOV_FLAG_FRAG_EVERY_FRAME))
6239 mov->flags |= FF_MOV_FLAG_FRAGMENT;
6241 /* Set other implicit flags immediately */
6242 if (mov->mode == MODE_ISM)
6243 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
6244 FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS;
6245 if (mov->flags & FF_MOV_FLAG_DASH)
6246 mov->flags |= FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_EMPTY_MOOV |
6247 FF_MOV_FLAG_DEFAULT_BASE_MOOF;
6248 if (mov->flags & FF_MOV_FLAG_CMAF)
6249 mov->flags |= FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_EMPTY_MOOV |
6250 FF_MOV_FLAG_DEFAULT_BASE_MOOF | FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS;
6252 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV && s->flags & AVFMT_FLAG_AUTO_BSF) {
6253 av_log(s, AV_LOG_VERBOSE, "Empty MOOV enabled; disabling automatic bitstream filtering\n");
6254 s->flags &= ~AVFMT_FLAG_AUTO_BSF;
6257 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX && mov->flags & FF_MOV_FLAG_SKIP_SIDX) {
6258 av_log(s, AV_LOG_WARNING, "Global SIDX enabled; Ignoring skip_sidx option\n");
6259 mov->flags &= ~FF_MOV_FLAG_SKIP_SIDX;
6262 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
6263 mov->reserved_moov_size = -1;
6266 if (mov->use_editlist < 0) {
6267 mov->use_editlist = 1;
6268 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
6269 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6270 // If we can avoid needing an edit list by shifting the
6271 // tracks, prefer that over (trying to) write edit lists
6272 // in fragmented output.
6273 if (s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO ||
6274 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO)
6275 mov->use_editlist = 0;
6277 if (mov->flags & FF_MOV_FLAG_CMAF) {
6278 // CMAF Track requires negative cts offsets without edit lists
6279 mov->use_editlist = 0;
6282 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
6283 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV) && mov->use_editlist)
6284 av_log(s, AV_LOG_WARNING, "No meaningful edit list will be written when using empty_moov without delay_moov\n");
6286 if (mov->flags & FF_MOV_FLAG_CMAF && mov->use_editlist) {
6287 av_log(s, AV_LOG_WARNING, "Edit list enabled; Assuming writing CMAF Track File\n");
6288 mov->flags &= ~FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS;
6290 if (!mov->use_editlist && s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO &&
6291 !(mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS))
6292 s->avoid_negative_ts = AVFMT_AVOID_NEG_TS_MAKE_ZERO;
6294 /* Clear the omit_tfhd_offset flag if default_base_moof is set;
6295 * if the latter is set that's enough and omit_tfhd_offset doesn't
6296 * add anything extra on top of that. */
6297 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
6298 mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
6299 mov->flags &= ~FF_MOV_FLAG_OMIT_TFHD_OFFSET;
6301 if (mov->frag_interleave &&
6302 mov->flags & (FF_MOV_FLAG_OMIT_TFHD_OFFSET | FF_MOV_FLAG_SEPARATE_MOOF)) {
6303 av_log(s, AV_LOG_ERROR,
6304 "Sample interleaving in fragments is mutually exclusive with "
6305 "omit_tfhd_offset and separate_moof\n");
6306 return AVERROR(EINVAL);
6309 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
6310 * is enabled, we don't support non-seekable output at all. */
6311 if (!(s->pb->seekable & AVIO_SEEKABLE_NORMAL) &&
6312 (!(mov->flags & FF_MOV_FLAG_FRAGMENT) || mov->ism_lookahead)) {
6313 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
6314 return AVERROR(EINVAL);
6317 mov->nb_streams = s->nb_streams;
6318 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
6319 mov->chapter_track = mov->nb_streams++;
6321 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6322 for (i = 0; i < s->nb_streams; i++)
6323 if (rtp_hinting_needed(s->streams[i]))
6327 if ( mov->write_tmcd == -1 && (mov->mode == MODE_MOV || mov->mode == MODE_MP4)
6328 || mov->write_tmcd == 1) {
6329 /* +1 tmcd track for each video stream with a timecode */
6330 for (i = 0; i < s->nb_streams; i++) {
6331 AVStream *st = s->streams[i];
6332 AVDictionaryEntry *t = global_tcr;
6333 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO &&
6334 (t || (t=av_dict_get(st->metadata, "timecode", NULL, 0)))) {
6336 ret = mov_check_timecode_track(s, &tc, i, t->value);
6338 mov->nb_meta_tmcd++;
6342 /* check if there is already a tmcd track to remux */
6343 if (mov->nb_meta_tmcd) {
6344 for (i = 0; i < s->nb_streams; i++) {
6345 AVStream *st = s->streams[i];
6346 if (st->codecpar->codec_tag == MKTAG('t','m','c','d')) {
6347 av_log(s, AV_LOG_WARNING, "You requested a copy of the original timecode track "
6348 "so timecode metadata are now ignored\n");
6349 mov->nb_meta_tmcd = 0;
6354 mov->nb_streams += mov->nb_meta_tmcd;
6357 // Reserve an extra stream for chapters for the case where chapters
6358 // are written in the trailer
6359 mov->tracks = av_mallocz_array((mov->nb_streams + 1), sizeof(*mov->tracks));
6361 return AVERROR(ENOMEM);
6363 if (mov->encryption_scheme_str != NULL && strcmp(mov->encryption_scheme_str, "none") != 0) {
6364 if (strcmp(mov->encryption_scheme_str, "cenc-aes-ctr") == 0) {
6365 mov->encryption_scheme = MOV_ENC_CENC_AES_CTR;
6367 if (mov->encryption_key_len != AES_CTR_KEY_SIZE) {
6368 av_log(s, AV_LOG_ERROR, "Invalid encryption key len %d expected %d\n",
6369 mov->encryption_key_len, AES_CTR_KEY_SIZE);
6370 return AVERROR(EINVAL);
6373 if (mov->encryption_kid_len != CENC_KID_SIZE) {
6374 av_log(s, AV_LOG_ERROR, "Invalid encryption kid len %d expected %d\n",
6375 mov->encryption_kid_len, CENC_KID_SIZE);
6376 return AVERROR(EINVAL);
6379 av_log(s, AV_LOG_ERROR, "unsupported encryption scheme %s\n",
6380 mov->encryption_scheme_str);
6381 return AVERROR(EINVAL);
6385 for (i = 0; i < s->nb_streams; i++) {
6386 AVStream *st= s->streams[i];
6387 MOVTrack *track= &mov->tracks[i];
6388 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
6391 track->par = st->codecpar;
6392 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
6393 if (track->language < 0)
6394 track->language = 32767; // Unspecified Macintosh language code
6395 track->mode = mov->mode;
6396 track->tag = mov_find_codec_tag(s, track);
6398 av_log(s, AV_LOG_ERROR, "Could not find tag for codec %s in stream #%d, "
6399 "codec not currently supported in container\n",
6400 avcodec_get_name(st->codecpar->codec_id), i);
6401 return AVERROR(EINVAL);
6403 /* If hinting of this track is enabled by a later hint track,
6404 * this is updated. */
6405 track->hint_track = -1;
6406 track->start_dts = AV_NOPTS_VALUE;
6407 track->start_cts = AV_NOPTS_VALUE;
6408 track->end_pts = AV_NOPTS_VALUE;
6409 track->dts_shift = AV_NOPTS_VALUE;
6410 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
6411 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
6412 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
6413 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
6414 if (st->codecpar->width != 720 || (st->codecpar->height != 608 && st->codecpar->height != 512)) {
6415 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
6416 return AVERROR(EINVAL);
6418 track->height = track->tag >> 24 == 'n' ? 486 : 576;
6420 if (mov->video_track_timescale) {
6421 track->timescale = mov->video_track_timescale;
6422 if (mov->mode == MODE_ISM && mov->video_track_timescale != 10000000)
6423 av_log(s, AV_LOG_WARNING, "Warning: some tools, like mp4split, assume a timescale of 10000000 for ISMV.\n");
6425 track->timescale = st->time_base.den;
6426 while(track->timescale < 10000)
6427 track->timescale *= 2;
6429 if (st->codecpar->width > 65535 || st->codecpar->height > 65535) {
6430 av_log(s, AV_LOG_ERROR, "Resolution %dx%d too large for mov/mp4\n", st->codecpar->width, st->codecpar->height);
6431 return AVERROR(EINVAL);
6433 if (track->mode == MODE_MOV && track->timescale > 100000)
6434 av_log(s, AV_LOG_WARNING,
6435 "WARNING codec timebase is very high. If duration is too long,\n"
6436 "file may not be playable by quicktime. Specify a shorter timebase\n"
6437 "or choose different container.\n");
6438 if (track->mode == MODE_MOV &&
6439 track->par->codec_id == AV_CODEC_ID_RAWVIDEO &&
6440 track->tag == MKTAG('r','a','w',' ')) {
6441 enum AVPixelFormat pix_fmt = track->par->format;
6442 if (pix_fmt == AV_PIX_FMT_NONE && track->par->bits_per_coded_sample == 1)
6443 pix_fmt = AV_PIX_FMT_MONOWHITE;
6444 track->is_unaligned_qt_rgb =
6445 pix_fmt == AV_PIX_FMT_RGB24 ||
6446 pix_fmt == AV_PIX_FMT_BGR24 ||
6447 pix_fmt == AV_PIX_FMT_PAL8 ||
6448 pix_fmt == AV_PIX_FMT_GRAY8 ||
6449 pix_fmt == AV_PIX_FMT_MONOWHITE ||
6450 pix_fmt == AV_PIX_FMT_MONOBLACK;
6452 if (track->par->codec_id == AV_CODEC_ID_VP9 ||
6453 track->par->codec_id == AV_CODEC_ID_AV1) {
6454 if (track->mode != MODE_MP4) {
6455 av_log(s, AV_LOG_ERROR, "%s only supported in MP4.\n", avcodec_get_name(track->par->codec_id));
6456 return AVERROR(EINVAL);
6458 } else if (track->par->codec_id == AV_CODEC_ID_VP8) {
6459 /* altref frames handling is not defined in the spec as of version v1.0,
6460 * so just forbid muxing VP8 streams altogether until a new version does */
6461 av_log(s, AV_LOG_ERROR, "VP8 muxing is currently not supported.\n");
6462 return AVERROR_PATCHWELCOME;
6464 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
6465 track->timescale = st->codecpar->sample_rate;
6466 if (!st->codecpar->frame_size && !av_get_bits_per_sample(st->codecpar->codec_id)) {
6467 av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i);
6468 track->audio_vbr = 1;
6469 }else if (st->codecpar->codec_id == AV_CODEC_ID_ADPCM_MS ||
6470 st->codecpar->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
6471 st->codecpar->codec_id == AV_CODEC_ID_ILBC){
6472 if (!st->codecpar->block_align) {
6473 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
6474 return AVERROR(EINVAL);
6476 track->sample_size = st->codecpar->block_align;
6477 }else if (st->codecpar->frame_size > 1){ /* assume compressed audio */
6478 track->audio_vbr = 1;
6480 track->sample_size = (av_get_bits_per_sample(st->codecpar->codec_id) >> 3) * st->codecpar->channels;
6482 if (st->codecpar->codec_id == AV_CODEC_ID_ILBC ||
6483 st->codecpar->codec_id == AV_CODEC_ID_ADPCM_IMA_QT) {
6484 track->audio_vbr = 1;
6486 if (track->mode != MODE_MOV &&
6487 track->par->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
6488 if (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL) {
6489 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not standard, to mux anyway set strict to -1\n",
6490 i, track->par->sample_rate);
6491 return AVERROR(EINVAL);
6493 av_log(s, AV_LOG_WARNING, "track %d: muxing mp3 at %dhz is not standard in MP4\n",
6494 i, track->par->sample_rate);
6497 if (track->par->codec_id == AV_CODEC_ID_FLAC ||
6498 track->par->codec_id == AV_CODEC_ID_TRUEHD ||
6499 track->par->codec_id == AV_CODEC_ID_OPUS) {
6500 if (track->mode != MODE_MP4) {
6501 av_log(s, AV_LOG_ERROR, "%s only supported in MP4.\n", avcodec_get_name(track->par->codec_id));
6502 return AVERROR(EINVAL);
6504 if (track->par->codec_id != AV_CODEC_ID_OPUS &&
6505 s->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
6506 av_log(s, AV_LOG_ERROR,
6507 "%s in MP4 support is experimental, add "
6508 "'-strict %d' if you want to use it.\n",
6509 avcodec_get_name(track->par->codec_id), FF_COMPLIANCE_EXPERIMENTAL);
6510 return AVERROR_EXPERIMENTAL;
6513 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) {
6514 track->timescale = st->time_base.den;
6515 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_DATA) {
6516 track->timescale = st->time_base.den;
6518 track->timescale = MOV_TIMESCALE;
6521 track->height = st->codecpar->height;
6522 /* The Protected Interoperable File Format (PIFF) standard, used by ISMV recommends but
6523 doesn't mandate a track timescale of 10,000,000. The muxer allows a custom timescale
6524 for video tracks, so if user-set, it isn't overwritten */
6525 if (mov->mode == MODE_ISM &&
6526 (st->codecpar->codec_type != AVMEDIA_TYPE_VIDEO ||
6527 (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO && !mov->video_track_timescale))) {
6528 track->timescale = 10000000;
6531 avpriv_set_pts_info(st, 64, 1, track->timescale);
6533 if (mov->encryption_scheme == MOV_ENC_CENC_AES_CTR) {
6534 ret = ff_mov_cenc_init(&track->cenc, mov->encryption_key,
6535 track->par->codec_id == AV_CODEC_ID_H264, s->flags & AVFMT_FLAG_BITEXACT);
6545 static int mov_write_header(AVFormatContext *s)
6547 AVIOContext *pb = s->pb;
6548 MOVMuxContext *mov = s->priv_data;
6549 AVDictionaryEntry *t, *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
6550 int i, ret, hint_track = 0, tmcd_track = 0, nb_tracks = s->nb_streams;
6552 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
6555 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6556 hint_track = nb_tracks;
6557 for (i = 0; i < s->nb_streams; i++)
6558 if (rtp_hinting_needed(s->streams[i]))
6562 if (mov->nb_meta_tmcd)
6563 tmcd_track = nb_tracks;
6565 for (i = 0; i < s->nb_streams; i++) {
6567 AVStream *st= s->streams[i];
6568 MOVTrack *track= &mov->tracks[i];
6570 /* copy extradata if it exists */
6571 if (st->codecpar->extradata_size) {
6572 if (st->codecpar->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
6573 mov_create_dvd_sub_decoder_specific_info(track, st);
6574 else if (!TAG_IS_AVCI(track->tag) && st->codecpar->codec_id != AV_CODEC_ID_DNXHD) {
6575 track->vos_len = st->codecpar->extradata_size;
6576 track->vos_data = av_malloc(track->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
6577 if (!track->vos_data) {
6578 return AVERROR(ENOMEM);
6580 memcpy(track->vos_data, st->codecpar->extradata, track->vos_len);
6581 memset(track->vos_data + track->vos_len, 0, AV_INPUT_BUFFER_PADDING_SIZE);
6585 if (st->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ||
6586 track->par->channel_layout != AV_CH_LAYOUT_MONO)
6589 for (j = 0; j < s->nb_streams; j++) {
6590 AVStream *stj= s->streams[j];
6591 MOVTrack *trackj= &mov->tracks[j];
6595 if (stj->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ||
6596 trackj->par->channel_layout != AV_CH_LAYOUT_MONO ||
6597 trackj->language != track->language ||
6598 trackj->tag != track->tag
6601 track->multichannel_as_mono++;
6605 if (!(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6606 if ((ret = mov_write_identification(pb, s)) < 0)
6610 if (mov->reserved_moov_size){
6611 mov->reserved_header_pos = avio_tell(pb);
6612 if (mov->reserved_moov_size > 0)
6613 avio_skip(pb, mov->reserved_moov_size);
6616 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
6617 /* If no fragmentation options have been set, set a default. */
6618 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
6619 FF_MOV_FLAG_FRAG_CUSTOM |
6620 FF_MOV_FLAG_FRAG_EVERY_FRAME)) &&
6621 !mov->max_fragment_duration && !mov->max_fragment_size)
6622 mov->flags |= FF_MOV_FLAG_FRAG_KEYFRAME;
6624 if (mov->flags & FF_MOV_FLAG_FASTSTART)
6625 mov->reserved_header_pos = avio_tell(pb);
6626 mov_write_mdat_tag(pb, mov);
6629 ff_parse_creation_time_metadata(s, &mov->time, 1);
6631 mov->time += 0x7C25B080; // 1970 based -> 1904 based
6633 if (mov->chapter_track)
6634 if ((ret = mov_create_chapter_track(s, mov->chapter_track)) < 0)
6637 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6638 for (i = 0; i < s->nb_streams; i++) {
6639 if (rtp_hinting_needed(s->streams[i])) {
6640 if ((ret = ff_mov_init_hinting(s, hint_track, i)) < 0)
6647 if (mov->nb_meta_tmcd) {
6648 /* Initialize the tmcd tracks */
6649 for (i = 0; i < s->nb_streams; i++) {
6650 AVStream *st = s->streams[i];
6653 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
6656 t = av_dict_get(st->metadata, "timecode", NULL, 0);
6659 if (mov_check_timecode_track(s, &tc, i, t->value) < 0)
6661 if ((ret = mov_create_timecode_track(s, tmcd_track, i, tc)) < 0)
6670 if (mov->flags & FF_MOV_FLAG_ISML)
6671 mov_write_isml_manifest(pb, mov, s);
6673 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
6674 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6675 if ((ret = mov_write_moov_tag(pb, mov, s)) < 0)
6677 mov->moov_written = 1;
6678 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
6679 mov->reserved_header_pos = avio_tell(pb);
6685 static int get_moov_size(AVFormatContext *s)
6688 AVIOContext *moov_buf;
6689 MOVMuxContext *mov = s->priv_data;
6691 if ((ret = ffio_open_null_buf(&moov_buf)) < 0)
6693 if ((ret = mov_write_moov_tag(moov_buf, mov, s)) < 0)
6695 return ffio_close_null_buf(moov_buf);
6698 static int get_sidx_size(AVFormatContext *s)
6702 MOVMuxContext *mov = s->priv_data;
6704 if ((ret = ffio_open_null_buf(&buf)) < 0)
6706 mov_write_sidx_tags(buf, mov, -1, 0);
6707 return ffio_close_null_buf(buf);
6711 * This function gets the moov size if moved to the top of the file: the chunk
6712 * offset table can switch between stco (32-bit entries) to co64 (64-bit
6713 * entries) when the moov is moved to the beginning, so the size of the moov
6714 * would change. It also updates the chunk offset tables.
6716 static int compute_moov_size(AVFormatContext *s)
6718 int i, moov_size, moov_size2;
6719 MOVMuxContext *mov = s->priv_data;
6721 moov_size = get_moov_size(s);
6725 for (i = 0; i < mov->nb_streams; i++)
6726 mov->tracks[i].data_offset += moov_size;
6728 moov_size2 = get_moov_size(s);
6732 /* if the size changed, we just switched from stco to co64 and need to
6733 * update the offsets */
6734 if (moov_size2 != moov_size)
6735 for (i = 0; i < mov->nb_streams; i++)
6736 mov->tracks[i].data_offset += moov_size2 - moov_size;
6741 static int compute_sidx_size(AVFormatContext *s)
6744 MOVMuxContext *mov = s->priv_data;
6746 sidx_size = get_sidx_size(s);
6750 for (i = 0; i < mov->nb_streams; i++)
6751 mov->tracks[i].data_offset += sidx_size;
6756 static int shift_data(AVFormatContext *s)
6758 int ret = 0, moov_size;
6759 MOVMuxContext *mov = s->priv_data;
6760 int64_t pos, pos_end;
6761 uint8_t *buf, *read_buf[2];
6762 int read_buf_id = 0;
6764 AVIOContext *read_pb;
6766 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
6767 moov_size = compute_sidx_size(s);
6769 moov_size = compute_moov_size(s);
6773 buf = av_malloc(moov_size * 2);
6775 return AVERROR(ENOMEM);
6777 read_buf[1] = buf + moov_size;
6779 /* Shift the data: the AVIO context of the output can only be used for
6780 * writing, so we re-open the same output, but for reading. It also avoids
6781 * a read/seek/write/seek back and forth. */
6783 ret = s->io_open(s, &read_pb, s->url, AVIO_FLAG_READ, NULL);
6785 av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for "
6786 "the second pass (faststart)\n", s->url);
6790 /* mark the end of the shift to up to the last data we wrote, and get ready
6792 pos_end = avio_tell(s->pb);
6793 avio_seek(s->pb, mov->reserved_header_pos + moov_size, SEEK_SET);
6795 /* start reading at where the new moov will be placed */
6796 avio_seek(read_pb, mov->reserved_header_pos, SEEK_SET);
6797 pos = avio_tell(read_pb);
6799 #define READ_BLOCK do { \
6800 read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
6804 /* shift data by chunk of at most moov_size */
6809 n = read_size[read_buf_id];
6812 avio_write(s->pb, read_buf[read_buf_id], n);
6814 } while (pos < pos_end);
6815 ff_format_io_close(s, &read_pb);
6822 static int mov_write_trailer(AVFormatContext *s)
6824 MOVMuxContext *mov = s->priv_data;
6825 AVIOContext *pb = s->pb;
6830 if (mov->need_rewrite_extradata) {
6831 for (i = 0; i < s->nb_streams; i++) {
6832 MOVTrack *track = &mov->tracks[i];
6833 AVCodecParameters *par = track->par;
6835 track->vos_len = par->extradata_size;
6836 track->vos_data = av_malloc(track->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
6837 if (!track->vos_data)
6838 return AVERROR(ENOMEM);
6839 memcpy(track->vos_data, par->extradata, track->vos_len);
6840 memset(track->vos_data + track->vos_len, 0, AV_INPUT_BUFFER_PADDING_SIZE);
6842 mov->need_rewrite_extradata = 0;
6846 * Before actually writing the trailer, make sure that there are no
6847 * dangling subtitles, that need a terminating sample.
6849 for (i = 0; i < mov->nb_streams; i++) {
6850 MOVTrack *trk = &mov->tracks[i];
6851 if (trk->par->codec_id == AV_CODEC_ID_MOV_TEXT &&
6852 !trk->last_sample_is_subtitle_end) {
6853 mov_write_subtitle_end_packet(s, i, trk->track_duration);
6854 trk->last_sample_is_subtitle_end = 1;
6858 // If there were no chapters when the header was written, but there
6859 // are chapters now, write them in the trailer. This only works
6860 // when we are not doing fragments.
6861 if (!mov->chapter_track && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
6862 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters) {
6863 mov->chapter_track = mov->nb_streams++;
6864 if ((res = mov_create_chapter_track(s, mov->chapter_track)) < 0)
6869 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
6870 moov_pos = avio_tell(pb);
6872 /* Write size of mdat tag */
6873 if (mov->mdat_size + 8 <= UINT32_MAX) {
6874 avio_seek(pb, mov->mdat_pos, SEEK_SET);
6875 avio_wb32(pb, mov->mdat_size + 8);
6877 /* overwrite 'wide' placeholder atom */
6878 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
6879 /* special value: real atom size will be 64 bit value after
6882 ffio_wfourcc(pb, "mdat");
6883 avio_wb64(pb, mov->mdat_size + 16);
6885 avio_seek(pb, mov->reserved_moov_size > 0 ? mov->reserved_header_pos : moov_pos, SEEK_SET);
6887 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
6888 av_log(s, AV_LOG_INFO, "Starting second pass: moving the moov atom to the beginning of the file\n");
6889 res = shift_data(s);
6892 avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
6893 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6895 } else if (mov->reserved_moov_size > 0) {
6897 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6899 size = mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_header_pos);
6901 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
6902 return AVERROR(EINVAL);
6904 avio_wb32(pb, size);
6905 ffio_wfourcc(pb, "free");
6906 ffio_fill(pb, 0, size - 8);
6907 avio_seek(pb, moov_pos, SEEK_SET);
6909 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6914 mov_auto_flush_fragment(s, 1);
6915 for (i = 0; i < mov->nb_streams; i++)
6916 mov->tracks[i].data_offset = 0;
6917 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX) {
6919 av_log(s, AV_LOG_INFO, "Starting second pass: inserting sidx atoms\n");
6920 res = shift_data(s);
6923 end = avio_tell(pb);
6924 avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
6925 mov_write_sidx_tags(pb, mov, -1, 0);
6926 avio_seek(pb, end, SEEK_SET);
6928 if (!(mov->flags & FF_MOV_FLAG_SKIP_TRAILER)) {
6929 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_TRAILER);
6930 mov_write_mfra_tag(pb, mov);
6937 static int mov_check_bitstream(struct AVFormatContext *s, const AVPacket *pkt)
6940 AVStream *st = s->streams[pkt->stream_index];
6942 if (st->codecpar->codec_id == AV_CODEC_ID_AAC) {
6943 if (pkt->size > 2 && (AV_RB16(pkt->data) & 0xfff0) == 0xfff0)
6944 ret = ff_stream_add_bitstream_filter(st, "aac_adtstoasc", NULL);
6945 } else if (st->codecpar->codec_id == AV_CODEC_ID_VP9) {
6946 ret = ff_stream_add_bitstream_filter(st, "vp9_superframe", NULL);
6952 static const AVCodecTag codec_3gp_tags[] = {
6953 { AV_CODEC_ID_H263, MKTAG('s','2','6','3') },
6954 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
6955 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
6956 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
6957 { AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
6958 { AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
6959 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
6960 { AV_CODEC_ID_NONE, 0 },
6963 const AVCodecTag codec_mp4_tags[] = {
6964 { AV_CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
6965 { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') },
6966 { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '3') },
6967 { AV_CODEC_ID_HEVC, MKTAG('h', 'e', 'v', '1') },
6968 { AV_CODEC_ID_HEVC, MKTAG('h', 'v', 'c', '1') },
6969 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', '4', 'v') },
6970 { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', '4', 'v') },
6971 { AV_CODEC_ID_MJPEG, MKTAG('m', 'p', '4', 'v') },
6972 { AV_CODEC_ID_PNG, MKTAG('m', 'p', '4', 'v') },
6973 { AV_CODEC_ID_JPEG2000, MKTAG('m', 'p', '4', 'v') },
6974 { AV_CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') },
6975 { AV_CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
6976 { AV_CODEC_ID_TSCC2, MKTAG('m', 'p', '4', 'v') },
6977 { AV_CODEC_ID_VP9, MKTAG('v', 'p', '0', '9') },
6978 { AV_CODEC_ID_AV1, MKTAG('a', 'v', '0', '1') },
6979 { AV_CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
6980 { AV_CODEC_ID_MP4ALS, MKTAG('m', 'p', '4', 'a') },
6981 { AV_CODEC_ID_MP3, MKTAG('m', 'p', '4', 'a') },
6982 { AV_CODEC_ID_MP2, MKTAG('m', 'p', '4', 'a') },
6983 { AV_CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') },
6984 { AV_CODEC_ID_EAC3, MKTAG('e', 'c', '-', '3') },
6985 { AV_CODEC_ID_DTS, MKTAG('m', 'p', '4', 'a') },
6986 { AV_CODEC_ID_TRUEHD, MKTAG('m', 'l', 'p', 'a') },
6987 { AV_CODEC_ID_FLAC, MKTAG('f', 'L', 'a', 'C') },
6988 { AV_CODEC_ID_OPUS, MKTAG('O', 'p', 'u', 's') },
6989 { AV_CODEC_ID_VORBIS, MKTAG('m', 'p', '4', 'a') },
6990 { AV_CODEC_ID_QCELP, MKTAG('m', 'p', '4', 'a') },
6991 { AV_CODEC_ID_EVRC, MKTAG('m', 'p', '4', 'a') },
6992 { AV_CODEC_ID_DVD_SUBTITLE, MKTAG('m', 'p', '4', 's') },
6993 { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
6994 { AV_CODEC_ID_BIN_DATA, MKTAG('g', 'p', 'm', 'd') },
6995 { AV_CODEC_ID_MPEGH_3D_AUDIO, MKTAG('m', 'h', 'm', '1') },
6996 { AV_CODEC_ID_NONE, 0 },
6999 const AVCodecTag codec_ism_tags[] = {
7000 { AV_CODEC_ID_WMAPRO , MKTAG('w', 'm', 'a', ' ') },
7001 { AV_CODEC_ID_NONE , 0 },
7004 static const AVCodecTag codec_ipod_tags[] = {
7005 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
7006 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
7007 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
7008 { AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') },
7009 { AV_CODEC_ID_AC3, MKTAG('a','c','-','3') },
7010 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
7011 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
7012 { AV_CODEC_ID_NONE, 0 },
7015 static const AVCodecTag codec_f4v_tags[] = {
7016 { AV_CODEC_ID_MP3, MKTAG('.','m','p','3') },
7017 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
7018 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
7019 { AV_CODEC_ID_VP6A, MKTAG('V','P','6','A') },
7020 { AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') },
7021 { AV_CODEC_ID_NONE, 0 },
7024 #if CONFIG_MOV_MUXER
7026 AVOutputFormat ff_mov_muxer = {
7028 .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
7029 .extensions = "mov",
7030 .priv_data_size = sizeof(MOVMuxContext),
7031 .audio_codec = AV_CODEC_ID_AAC,
7032 .video_codec = CONFIG_LIBX264_ENCODER ?
7033 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
7035 .write_header = mov_write_header,
7036 .write_packet = mov_write_packet,
7037 .write_trailer = mov_write_trailer,
7039 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7040 .codec_tag = (const AVCodecTag* const []){
7041 ff_codec_movvideo_tags, ff_codec_movaudio_tags, ff_codec_movsubtitle_tags, 0
7043 .check_bitstream = mov_check_bitstream,
7044 .priv_class = &mov_muxer_class,
7047 #if CONFIG_TGP_MUXER
7049 AVOutputFormat ff_tgp_muxer = {
7051 .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
7052 .extensions = "3gp",
7053 .priv_data_size = sizeof(MOVMuxContext),
7054 .audio_codec = AV_CODEC_ID_AMR_NB,
7055 .video_codec = AV_CODEC_ID_H263,
7057 .write_header = mov_write_header,
7058 .write_packet = mov_write_packet,
7059 .write_trailer = mov_write_trailer,
7061 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7062 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
7063 .check_bitstream = mov_check_bitstream,
7064 .priv_class = &tgp_muxer_class,
7067 #if CONFIG_MP4_MUXER
7069 AVOutputFormat ff_mp4_muxer = {
7071 .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
7072 .mime_type = "video/mp4",
7073 .extensions = "mp4",
7074 .priv_data_size = sizeof(MOVMuxContext),
7075 .audio_codec = AV_CODEC_ID_AAC,
7076 .video_codec = CONFIG_LIBX264_ENCODER ?
7077 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
7079 .write_header = mov_write_header,
7080 .write_packet = mov_write_packet,
7081 .write_trailer = mov_write_trailer,
7083 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7084 .codec_tag = (const AVCodecTag* const []){ codec_mp4_tags, 0 },
7085 .check_bitstream = mov_check_bitstream,
7086 .priv_class = &mp4_muxer_class,
7089 #if CONFIG_PSP_MUXER
7091 AVOutputFormat ff_psp_muxer = {
7093 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
7094 .extensions = "mp4,psp",
7095 .priv_data_size = sizeof(MOVMuxContext),
7096 .audio_codec = AV_CODEC_ID_AAC,
7097 .video_codec = CONFIG_LIBX264_ENCODER ?
7098 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
7100 .write_header = mov_write_header,
7101 .write_packet = mov_write_packet,
7102 .write_trailer = mov_write_trailer,
7104 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7105 .codec_tag = (const AVCodecTag* const []){ codec_mp4_tags, 0 },
7106 .check_bitstream = mov_check_bitstream,
7107 .priv_class = &psp_muxer_class,
7110 #if CONFIG_TG2_MUXER
7112 AVOutputFormat ff_tg2_muxer = {
7114 .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
7115 .extensions = "3g2",
7116 .priv_data_size = sizeof(MOVMuxContext),
7117 .audio_codec = AV_CODEC_ID_AMR_NB,
7118 .video_codec = AV_CODEC_ID_H263,
7120 .write_header = mov_write_header,
7121 .write_packet = mov_write_packet,
7122 .write_trailer = mov_write_trailer,
7124 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7125 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
7126 .check_bitstream = mov_check_bitstream,
7127 .priv_class = &tg2_muxer_class,
7130 #if CONFIG_IPOD_MUXER
7132 AVOutputFormat ff_ipod_muxer = {
7134 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
7135 .mime_type = "video/mp4",
7136 .extensions = "m4v,m4a,m4b",
7137 .priv_data_size = sizeof(MOVMuxContext),
7138 .audio_codec = AV_CODEC_ID_AAC,
7139 .video_codec = AV_CODEC_ID_H264,
7141 .write_header = mov_write_header,
7142 .write_packet = mov_write_packet,
7143 .write_trailer = mov_write_trailer,
7145 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7146 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
7147 .check_bitstream = mov_check_bitstream,
7148 .priv_class = &ipod_muxer_class,
7151 #if CONFIG_ISMV_MUXER
7153 AVOutputFormat ff_ismv_muxer = {
7155 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
7156 .mime_type = "video/mp4",
7157 .extensions = "ismv,isma",
7158 .priv_data_size = sizeof(MOVMuxContext),
7159 .audio_codec = AV_CODEC_ID_AAC,
7160 .video_codec = AV_CODEC_ID_H264,
7162 .write_header = mov_write_header,
7163 .write_packet = mov_write_packet,
7164 .write_trailer = mov_write_trailer,
7166 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7167 .codec_tag = (const AVCodecTag* const []){
7168 codec_mp4_tags, codec_ism_tags, 0 },
7169 .check_bitstream = mov_check_bitstream,
7170 .priv_class = &ismv_muxer_class,
7173 #if CONFIG_F4V_MUXER
7175 AVOutputFormat ff_f4v_muxer = {
7177 .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
7178 .mime_type = "application/f4v",
7179 .extensions = "f4v",
7180 .priv_data_size = sizeof(MOVMuxContext),
7181 .audio_codec = AV_CODEC_ID_AAC,
7182 .video_codec = AV_CODEC_ID_H264,
7184 .write_header = mov_write_header,
7185 .write_packet = mov_write_packet,
7186 .write_trailer = mov_write_trailer,
7188 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
7189 .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 },
7190 .check_bitstream = mov_check_bitstream,
7191 .priv_class = &f4v_muxer_class,