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_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" },
81 { "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" },
82 { "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" },
83 { "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" },
84 { "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" },
85 { "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" },
86 FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
87 { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
88 { "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},
89 { "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},
90 { "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
91 { "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},
92 { "frag_size", "Maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
93 { "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},
94 { "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},
95 { "brand", "Override major brand", offsetof(MOVMuxContext, major_brand), AV_OPT_TYPE_STRING, {.str = NULL}, .flags = AV_OPT_FLAG_ENCODING_PARAM },
96 { "use_editlist", "use edit list", offsetof(MOVMuxContext, use_editlist), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM},
97 { "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},
98 { "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},
99 { "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 },
100 { "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 },
101 { "encryption_key", "The media encryption key (hex)", offsetof(MOVMuxContext, encryption_key), AV_OPT_TYPE_BINARY, .flags = AV_OPT_FLAG_ENCODING_PARAM },
102 { "encryption_kid", "The media encryption key identifier (hex)", offsetof(MOVMuxContext, encryption_kid), AV_OPT_TYPE_BINARY, .flags = AV_OPT_FLAG_ENCODING_PARAM },
103 { "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},
104 { "write_tmcd", "force or disable writing tmcd", offsetof(MOVMuxContext, write_tmcd), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM},
105 { "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"},
106 { "wallclock", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = MOV_PRFT_SRC_WALLCLOCK}, 0, 0, AV_OPT_FLAG_ENCODING_PARAM, "prft"},
107 { "pts", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = MOV_PRFT_SRC_PTS}, 0, 0, AV_OPT_FLAG_ENCODING_PARAM, "prft"},
108 { "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},
112 #define MOV_CLASS(flavor)\
113 static const AVClass flavor ## _muxer_class = {\
114 .class_name = #flavor " muxer",\
115 .item_name = av_default_item_name,\
117 .version = LIBAVUTIL_VERSION_INT,\
120 static int get_moov_size(AVFormatContext *s);
122 static int utf8len(const uint8_t *b)
127 GET_UTF8(val, *b++, return -1;)
133 //FIXME support 64 bit variant with wide placeholders
134 static int64_t update_size(AVIOContext *pb, int64_t pos)
136 int64_t curpos = avio_tell(pb);
137 avio_seek(pb, pos, SEEK_SET);
138 avio_wb32(pb, curpos - pos); /* rewrite size */
139 avio_seek(pb, curpos, SEEK_SET);
144 static int co64_required(const MOVTrack *track)
146 if (track->entry > 0 && track->cluster[track->entry - 1].pos + track->data_offset > UINT32_MAX)
151 static int is_cover_image(const AVStream *st)
153 /* Eg. AV_DISPOSITION_ATTACHED_PIC | AV_DISPOSITION_TIMED_THUMBNAILS
154 * is encoded as sparse video track */
155 return st && st->disposition == AV_DISPOSITION_ATTACHED_PIC;
158 static int rtp_hinting_needed(const AVStream *st)
160 /* Add hint tracks for each real audio and video stream */
161 if (is_cover_image(st))
163 return st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ||
164 st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO;
167 /* Chunk offset atom */
168 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
171 int mode64 = co64_required(track); // use 32 bit size variant if possible
172 int64_t pos = avio_tell(pb);
173 avio_wb32(pb, 0); /* size */
175 ffio_wfourcc(pb, "co64");
177 ffio_wfourcc(pb, "stco");
178 avio_wb32(pb, 0); /* version & flags */
179 avio_wb32(pb, track->chunkCount); /* entry count */
180 for (i = 0; i < track->entry; i++) {
181 if (!track->cluster[i].chunkNum)
184 avio_wb64(pb, track->cluster[i].pos + track->data_offset);
186 avio_wb32(pb, track->cluster[i].pos + track->data_offset);
188 return update_size(pb, pos);
191 /* Sample size atom */
192 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
195 int i, j, entries = 0, tst = -1, oldtst = -1;
197 int64_t pos = avio_tell(pb);
198 avio_wb32(pb, 0); /* size */
199 ffio_wfourcc(pb, "stsz");
200 avio_wb32(pb, 0); /* version & flags */
202 for (i = 0; i < track->entry; i++) {
203 tst = track->cluster[i].size / track->cluster[i].entries;
204 if (oldtst != -1 && tst != oldtst)
207 entries += track->cluster[i].entries;
209 if (equalChunks && track->entry) {
210 int sSize = track->entry ? track->cluster[0].size / track->cluster[0].entries : 0;
211 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
212 avio_wb32(pb, sSize); // sample size
213 avio_wb32(pb, entries); // sample count
215 avio_wb32(pb, 0); // sample size
216 avio_wb32(pb, entries); // sample count
217 for (i = 0; i < track->entry; i++) {
218 for (j = 0; j < track->cluster[i].entries; j++) {
219 avio_wb32(pb, track->cluster[i].size /
220 track->cluster[i].entries);
224 return update_size(pb, pos);
227 /* Sample to chunk atom */
228 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
230 int index = 0, oldval = -1, i;
231 int64_t entryPos, curpos;
233 int64_t pos = avio_tell(pb);
234 avio_wb32(pb, 0); /* size */
235 ffio_wfourcc(pb, "stsc");
236 avio_wb32(pb, 0); // version & flags
237 entryPos = avio_tell(pb);
238 avio_wb32(pb, track->chunkCount); // entry count
239 for (i = 0; i < track->entry; i++) {
240 if (oldval != track->cluster[i].samples_in_chunk && track->cluster[i].chunkNum) {
241 avio_wb32(pb, track->cluster[i].chunkNum); // first chunk
242 avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
243 avio_wb32(pb, 0x1); // sample description index
244 oldval = track->cluster[i].samples_in_chunk;
248 curpos = avio_tell(pb);
249 avio_seek(pb, entryPos, SEEK_SET);
250 avio_wb32(pb, index); // rewrite size
251 avio_seek(pb, curpos, SEEK_SET);
253 return update_size(pb, pos);
256 /* Sync sample atom */
257 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
259 int64_t curpos, entryPos;
261 int64_t pos = avio_tell(pb);
262 avio_wb32(pb, 0); // size
263 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
264 avio_wb32(pb, 0); // version & flags
265 entryPos = avio_tell(pb);
266 avio_wb32(pb, track->entry); // entry count
267 for (i = 0; i < track->entry; i++) {
268 if (track->cluster[i].flags & flag) {
269 avio_wb32(pb, i + 1);
273 curpos = avio_tell(pb);
274 avio_seek(pb, entryPos, SEEK_SET);
275 avio_wb32(pb, index); // rewrite size
276 avio_seek(pb, curpos, SEEK_SET);
277 return update_size(pb, pos);
280 /* Sample dependency atom */
281 static int mov_write_sdtp_tag(AVIOContext *pb, MOVTrack *track)
284 uint8_t leading, dependent, reference, redundancy;
285 int64_t pos = avio_tell(pb);
286 avio_wb32(pb, 0); // size
287 ffio_wfourcc(pb, "sdtp");
288 avio_wb32(pb, 0); // version & flags
289 for (i = 0; i < track->entry; i++) {
290 dependent = MOV_SAMPLE_DEPENDENCY_YES;
291 leading = reference = redundancy = MOV_SAMPLE_DEPENDENCY_UNKNOWN;
292 if (track->cluster[i].flags & MOV_DISPOSABLE_SAMPLE) {
293 reference = MOV_SAMPLE_DEPENDENCY_NO;
295 if (track->cluster[i].flags & MOV_SYNC_SAMPLE) {
296 dependent = MOV_SAMPLE_DEPENDENCY_NO;
298 avio_w8(pb, (leading << 6) | (dependent << 4) |
299 (reference << 2) | redundancy);
301 return update_size(pb, pos);
304 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
306 avio_wb32(pb, 0x11); /* size */
307 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
308 else ffio_wfourcc(pb, "damr");
309 ffio_wfourcc(pb, "FFMP");
310 avio_w8(pb, 0); /* decoder version */
312 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
313 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
314 avio_w8(pb, 0x01); /* Frames per sample */
318 static int mov_write_ac3_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
323 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
325 if (track->vos_len < 7) {
326 av_log(s, AV_LOG_ERROR,
327 "Cannot write moov atom before AC3 packets."
328 " Set the delay_moov flag to fix this.\n");
329 return AVERROR(EINVAL);
333 ffio_wfourcc(pb, "dac3");
335 init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
336 fscod = get_bits(&gbc, 2);
337 frmsizecod = get_bits(&gbc, 6);
338 bsid = get_bits(&gbc, 5);
339 bsmod = get_bits(&gbc, 3);
340 acmod = get_bits(&gbc, 3);
342 skip_bits(&gbc, 2); // dsurmod
344 if ((acmod & 1) && acmod != 1)
345 skip_bits(&gbc, 2); // cmixlev
347 skip_bits(&gbc, 2); // surmixlev
349 lfeon = get_bits1(&gbc);
351 init_put_bits(&pbc, buf, sizeof(buf));
352 put_bits(&pbc, 2, fscod);
353 put_bits(&pbc, 5, bsid);
354 put_bits(&pbc, 3, bsmod);
355 put_bits(&pbc, 3, acmod);
356 put_bits(&pbc, 1, lfeon);
357 put_bits(&pbc, 5, frmsizecod >> 1); // bit_rate_code
358 put_bits(&pbc, 5, 0); // reserved
360 flush_put_bits(&pbc);
361 avio_write(pb, buf, sizeof(buf));
371 /* Layout of the EC3SpecificBox */
372 /* maximum bitrate */
374 /* number of independent substreams */
377 /* sample rate code (see ff_ac3_sample_rate_tab) 2 bits */
379 /* bit stream identification 5 bits */
381 /* one bit reserved */
382 /* audio service mixing (not supported yet) 1 bit */
383 /* bit stream mode 3 bits */
385 /* audio coding mode 3 bits */
387 /* sub woofer on 1 bit */
389 /* 3 bits reserved */
390 /* number of dependent substreams associated with this substream 4 bits */
392 /* channel locations of the dependent substream(s), if any, 9 bits */
394 /* if there is no dependent substream, then one bit reserved instead */
395 } substream[1]; /* TODO: support 8 independent substreams */
398 #if CONFIG_AC3_PARSER
399 static int handle_eac3(MOVMuxContext *mov, AVPacket *pkt, MOVTrack *track)
401 AC3HeaderInfo *hdr = NULL;
402 struct eac3_info *info;
405 if (!track->eac3_priv && !(track->eac3_priv = av_mallocz(sizeof(*info))))
406 return AVERROR(ENOMEM);
407 info = track->eac3_priv;
409 if (avpriv_ac3_parse_header(&hdr, pkt->data, pkt->size) < 0) {
410 /* drop the packets until we see a good one */
412 av_log(mov->fc, AV_LOG_WARNING, "Dropping invalid packet from start of the stream\n");
415 ret = AVERROR_INVALIDDATA;
419 info->data_rate = FFMAX(info->data_rate, hdr->bit_rate / 1000);
420 num_blocks = hdr->num_blocks;
422 if (!info->ec3_done) {
423 /* AC-3 substream must be the first one */
424 if (hdr->bitstream_id <= 10 && hdr->substreamid != 0) {
425 ret = AVERROR(EINVAL);
429 /* this should always be the case, given that our AC-3 parser
430 * concatenates dependent frames to their independent parent */
431 if (hdr->frame_type == EAC3_FRAME_TYPE_INDEPENDENT) {
432 /* substream ids must be incremental */
433 if (hdr->substreamid > info->num_ind_sub + 1) {
434 ret = AVERROR(EINVAL);
438 if (hdr->substreamid == info->num_ind_sub + 1) {
439 //info->num_ind_sub++;
440 avpriv_request_sample(mov->fc, "Multiple independent substreams");
441 ret = AVERROR_PATCHWELCOME;
443 } else if (hdr->substreamid < info->num_ind_sub ||
444 hdr->substreamid == 0 && info->substream[0].bsid) {
449 if (hdr->substreamid != 0) {
450 avpriv_request_sample(mov->fc, "Multiple non EAC3 independent substreams");
451 ret = AVERROR_PATCHWELCOME;
456 /* fill the info needed for the "dec3" atom */
457 info->substream[hdr->substreamid].fscod = hdr->sr_code;
458 info->substream[hdr->substreamid].bsid = hdr->bitstream_id;
459 info->substream[hdr->substreamid].bsmod = hdr->bitstream_mode;
460 info->substream[hdr->substreamid].acmod = hdr->channel_mode;
461 info->substream[hdr->substreamid].lfeon = hdr->lfe_on;
463 /* Parse dependent substream(s), if any */
464 if (pkt->size != hdr->frame_size) {
465 int cumul_size = hdr->frame_size;
466 int parent = hdr->substreamid;
468 while (cumul_size != pkt->size) {
471 ret = avpriv_ac3_parse_header(&hdr, pkt->data + cumul_size, pkt->size - cumul_size);
474 if (hdr->frame_type != EAC3_FRAME_TYPE_DEPENDENT) {
475 ret = AVERROR(EINVAL);
478 info->substream[parent].num_dep_sub++;
481 /* header is parsed up to lfeon, but custom channel map may be needed */
482 init_get_bits8(&gbc, pkt->data + cumul_size + ret, pkt->size - cumul_size - ret);
485 /* skip volume control params */
486 for (i = 0; i < (hdr->channel_mode ? 1 : 2); i++) {
487 skip_bits(&gbc, 5); // skip dialog normalization
488 if (get_bits1(&gbc)) {
489 skip_bits(&gbc, 8); // skip compression gain word
492 /* get the dependent stream channel map, if exists */
494 info->substream[parent].chan_loc |= (get_bits(&gbc, 16) >> 5) & 0x1f;
496 info->substream[parent].chan_loc |= hdr->channel_mode;
497 cumul_size += hdr->frame_size;
503 if (!info->num_blocks && num_blocks == 6) {
507 else if (info->num_blocks + num_blocks > 6) {
508 ret = AVERROR_INVALIDDATA;
512 if (!info->num_blocks) {
513 ret = av_packet_ref(&info->pkt, pkt);
515 info->num_blocks = num_blocks;
518 if ((ret = av_grow_packet(&info->pkt, pkt->size)) < 0)
520 memcpy(info->pkt.data + info->pkt.size - pkt->size, pkt->data, pkt->size);
521 info->num_blocks += num_blocks;
522 info->pkt.duration += pkt->duration;
523 if ((ret = av_copy_packet_side_data(&info->pkt, pkt)) < 0)
525 if (info->num_blocks != 6)
527 av_packet_unref(pkt);
528 av_packet_move_ref(pkt, &info->pkt);
529 info->num_blocks = 0;
540 static int mov_write_eac3_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
544 struct eac3_info *info;
547 if (!track->eac3_priv) {
548 av_log(s, AV_LOG_ERROR,
549 "Cannot write moov atom before EAC3 packets parsed.\n");
550 return AVERROR(EINVAL);
553 info = track->eac3_priv;
554 size = 2 + ((34 * (info->num_ind_sub + 1) + 7) >> 3);
555 buf = av_malloc(size);
557 return AVERROR(ENOMEM);
560 init_put_bits(&pbc, buf, size);
561 put_bits(&pbc, 13, info->data_rate);
562 put_bits(&pbc, 3, info->num_ind_sub);
563 for (i = 0; i <= info->num_ind_sub; i++) {
564 put_bits(&pbc, 2, info->substream[i].fscod);
565 put_bits(&pbc, 5, info->substream[i].bsid);
566 put_bits(&pbc, 1, 0); /* reserved */
567 put_bits(&pbc, 1, 0); /* asvc */
568 put_bits(&pbc, 3, info->substream[i].bsmod);
569 put_bits(&pbc, 3, info->substream[i].acmod);
570 put_bits(&pbc, 1, info->substream[i].lfeon);
571 put_bits(&pbc, 5, 0); /* reserved */
572 put_bits(&pbc, 4, info->substream[i].num_dep_sub);
573 if (!info->substream[i].num_dep_sub) {
574 put_bits(&pbc, 1, 0); /* reserved */
576 put_bits(&pbc, 9, info->substream[i].chan_loc);
579 flush_put_bits(&pbc);
580 size = put_bits_count(&pbc) >> 3;
582 avio_wb32(pb, size + 8);
583 ffio_wfourcc(pb, "dec3");
584 avio_write(pb, buf, size);
592 * This function writes extradata "as is".
593 * Extradata must be formatted like a valid atom (with size and tag).
595 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
597 avio_write(pb, track->par->extradata, track->par->extradata_size);
598 return track->par->extradata_size;
601 static int mov_write_enda_tag(AVIOContext *pb)
604 ffio_wfourcc(pb, "enda");
605 avio_wb16(pb, 1); /* little endian */
609 static int mov_write_enda_tag_be(AVIOContext *pb)
612 ffio_wfourcc(pb, "enda");
613 avio_wb16(pb, 0); /* big endian */
617 static void put_descr(AVIOContext *pb, int tag, unsigned int size)
622 avio_w8(pb, (size >> (7 * i)) | 0x80);
623 avio_w8(pb, size & 0x7F);
626 static unsigned compute_avg_bitrate(MOVTrack *track)
630 if (!track->track_duration)
632 for (i = 0; i < track->entry; i++)
633 size += track->cluster[i].size;
634 return size * 8 * track->timescale / track->track_duration;
637 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
639 AVCPBProperties *props;
640 int64_t pos = avio_tell(pb);
641 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
642 unsigned avg_bitrate;
644 avio_wb32(pb, 0); // size
645 ffio_wfourcc(pb, "esds");
646 avio_wb32(pb, 0); // Version
649 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
650 avio_wb16(pb, track->track_id);
651 avio_w8(pb, 0x00); // flags (= no flags)
653 // DecoderConfig descriptor
654 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
656 // Object type indication
657 if ((track->par->codec_id == AV_CODEC_ID_MP2 ||
658 track->par->codec_id == AV_CODEC_ID_MP3) &&
659 track->par->sample_rate > 24000)
660 avio_w8(pb, 0x6B); // 11172-3
662 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->par->codec_id));
664 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
665 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
666 if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
667 avio_w8(pb, (0x38 << 2) | 1); // flags (= NeroSubpicStream)
668 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
669 avio_w8(pb, 0x15); // flags (= Audiostream)
671 avio_w8(pb, 0x11); // flags (= Visualstream)
673 props = (AVCPBProperties*)av_stream_get_side_data(track->st, AV_PKT_DATA_CPB_PROPERTIES,
676 avio_wb24(pb, props ? props->buffer_size / 8 : 0); // Buffersize DB
678 avg_bitrate = compute_avg_bitrate(track);
679 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)
680 avio_wb32(pb, avg_bitrate);
682 if (track->vos_len) {
683 // DecoderSpecific info descriptor
684 put_descr(pb, 0x05, track->vos_len);
685 avio_write(pb, track->vos_data, track->vos_len);
689 put_descr(pb, 0x06, 1);
691 return update_size(pb, pos);
694 static int mov_pcm_le_gt16(enum AVCodecID codec_id)
696 return codec_id == AV_CODEC_ID_PCM_S24LE ||
697 codec_id == AV_CODEC_ID_PCM_S32LE ||
698 codec_id == AV_CODEC_ID_PCM_F32LE ||
699 codec_id == AV_CODEC_ID_PCM_F64LE;
702 static int mov_pcm_be_gt16(enum AVCodecID codec_id)
704 return codec_id == AV_CODEC_ID_PCM_S24BE ||
705 codec_id == AV_CODEC_ID_PCM_S32BE ||
706 codec_id == AV_CODEC_ID_PCM_F32BE ||
707 codec_id == AV_CODEC_ID_PCM_F64BE;
710 static int mov_write_ms_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
713 int64_t pos = avio_tell(pb);
715 avio_wl32(pb, track->tag); // store it byteswapped
716 track->par->codec_tag = av_bswap16(track->tag >> 16);
717 if ((ret = ff_put_wav_header(s, pb, track->par, 0)) < 0)
719 return update_size(pb, pos);
722 static int mov_write_wfex_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
725 int64_t pos = avio_tell(pb);
727 ffio_wfourcc(pb, "wfex");
728 if ((ret = ff_put_wav_header(s, pb, track->st->codecpar, FF_PUT_WAV_HEADER_FORCE_WAVEFORMATEX)) < 0)
730 return update_size(pb, pos);
733 static int mov_write_dfla_tag(AVIOContext *pb, MOVTrack *track)
735 int64_t pos = avio_tell(pb);
737 ffio_wfourcc(pb, "dfLa");
738 avio_w8(pb, 0); /* version */
739 avio_wb24(pb, 0); /* flags */
741 /* Expect the encoder to pass a METADATA_BLOCK_TYPE_STREAMINFO. */
742 if (track->par->extradata_size != FLAC_STREAMINFO_SIZE)
743 return AVERROR_INVALIDDATA;
745 /* TODO: Write other METADATA_BLOCK_TYPEs if the encoder makes them available. */
746 avio_w8(pb, 1 << 7 | FLAC_METADATA_TYPE_STREAMINFO); /* LastMetadataBlockFlag << 7 | BlockType */
747 avio_wb24(pb, track->par->extradata_size); /* Length */
748 avio_write(pb, track->par->extradata, track->par->extradata_size); /* BlockData[Length] */
750 return update_size(pb, pos);
753 static int mov_write_dops_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
755 int64_t pos = avio_tell(pb);
757 ffio_wfourcc(pb, "dOps");
758 avio_w8(pb, 0); /* Version */
759 if (track->par->extradata_size < 19) {
760 av_log(s, AV_LOG_ERROR, "invalid extradata size\n");
761 return AVERROR_INVALIDDATA;
763 /* extradata contains an Ogg OpusHead, other than byte-ordering and
764 OpusHead's preceeding magic/version, OpusSpecificBox is currently
766 avio_w8(pb, AV_RB8(track->par->extradata + 9)); /* OuputChannelCount */
767 avio_wb16(pb, AV_RL16(track->par->extradata + 10)); /* PreSkip */
768 avio_wb32(pb, AV_RL32(track->par->extradata + 12)); /* InputSampleRate */
769 avio_wb16(pb, AV_RL16(track->par->extradata + 16)); /* OutputGain */
770 /* Write the rest of the header out without byte-swapping. */
771 avio_write(pb, track->par->extradata + 18, track->par->extradata_size - 18);
773 return update_size(pb, pos);
776 static int mov_write_dmlp_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
778 int64_t pos = avio_tell(pb);
781 ffio_wfourcc(pb, "dmlp");
783 if (track->vos_len < 20) {
784 av_log(s, AV_LOG_ERROR,
785 "Cannot write moov atom before TrueHD packets."
786 " Set the delay_moov flag to fix this.\n");
787 return AVERROR(EINVAL);
790 length = (AV_RB16(track->vos_data) & 0xFFF) * 2;
791 if (length < 20 || length > track->vos_len)
792 return AVERROR_INVALIDDATA;
794 // Only TrueHD is supported
795 if (AV_RB32(track->vos_data + 4) != 0xF8726FBA)
796 return AVERROR_INVALIDDATA;
798 avio_wb32(pb, AV_RB32(track->vos_data + 8)); /* format_info */
799 avio_wb16(pb, AV_RB16(track->vos_data + 18) << 1); /* peak_data_rate */
800 avio_wb32(pb, 0); /* reserved */
802 return update_size(pb, pos);
805 static int mov_write_chan_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
807 uint32_t layout_tag, bitmap;
808 int64_t pos = avio_tell(pb);
810 layout_tag = ff_mov_get_channel_layout_tag(track->par->codec_id,
811 track->par->channel_layout,
814 av_log(s, AV_LOG_WARNING, "not writing 'chan' tag due to "
815 "lack of channel information\n");
819 if (track->multichannel_as_mono)
822 avio_wb32(pb, 0); // Size
823 ffio_wfourcc(pb, "chan"); // Type
824 avio_w8(pb, 0); // Version
825 avio_wb24(pb, 0); // Flags
826 avio_wb32(pb, layout_tag); // mChannelLayoutTag
827 avio_wb32(pb, bitmap); // mChannelBitmap
828 avio_wb32(pb, 0); // mNumberChannelDescriptions
830 return update_size(pb, pos);
833 static int mov_write_wave_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
835 int64_t pos = avio_tell(pb);
837 avio_wb32(pb, 0); /* size */
838 ffio_wfourcc(pb, "wave");
840 if (track->par->codec_id != AV_CODEC_ID_QDM2) {
841 avio_wb32(pb, 12); /* size */
842 ffio_wfourcc(pb, "frma");
843 avio_wl32(pb, track->tag);
846 if (track->par->codec_id == AV_CODEC_ID_AAC) {
847 /* useless atom needed by mplayer, ipod, not needed by quicktime */
848 avio_wb32(pb, 12); /* size */
849 ffio_wfourcc(pb, "mp4a");
851 mov_write_esds_tag(pb, track);
852 } else if (mov_pcm_le_gt16(track->par->codec_id)) {
853 mov_write_enda_tag(pb);
854 } else if (mov_pcm_be_gt16(track->par->codec_id)) {
855 mov_write_enda_tag_be(pb);
856 } else if (track->par->codec_id == AV_CODEC_ID_AMR_NB) {
857 mov_write_amr_tag(pb, track);
858 } else if (track->par->codec_id == AV_CODEC_ID_AC3) {
859 mov_write_ac3_tag(s, pb, track);
860 } else if (track->par->codec_id == AV_CODEC_ID_EAC3) {
861 mov_write_eac3_tag(s, pb, track);
862 } else if (track->par->codec_id == AV_CODEC_ID_ALAC ||
863 track->par->codec_id == AV_CODEC_ID_QDM2) {
864 mov_write_extradata_tag(pb, track);
865 } else if (track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
866 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
867 mov_write_ms_tag(s, pb, track);
870 avio_wb32(pb, 8); /* size */
871 avio_wb32(pb, 0); /* null tag */
873 return update_size(pb, pos);
876 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
879 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
880 int unescaped_size, seq_found = 0;
881 int level = 0, interlace = 0;
882 int packet_seq = track->vc1_info.packet_seq;
883 int packet_entry = track->vc1_info.packet_entry;
884 int slices = track->vc1_info.slices;
887 if (track->start_dts == AV_NOPTS_VALUE) {
888 /* No packets written yet, vc1_info isn't authoritative yet. */
889 /* Assume inline sequence and entry headers. */
890 packet_seq = packet_entry = 1;
891 av_log(NULL, AV_LOG_WARNING,
892 "moov atom written before any packets, unable to write correct "
893 "dvc1 atom. Set the delay_moov flag to fix this.\n");
896 unescaped = av_mallocz(track->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
898 return AVERROR(ENOMEM);
899 start = find_next_marker(track->vos_data, end);
900 for (next = start; next < end; start = next) {
903 next = find_next_marker(start + 4, end);
904 size = next - start - 4;
907 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
908 init_get_bits(&gb, unescaped, 8 * unescaped_size);
909 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
910 int profile = get_bits(&gb, 2);
911 if (profile != PROFILE_ADVANCED) {
913 return AVERROR(ENOSYS);
916 level = get_bits(&gb, 3);
917 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
919 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
920 skip_bits(&gb, 1); /* broadcast */
921 interlace = get_bits1(&gb);
922 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
927 return AVERROR(ENOSYS);
930 init_put_bits(&pbc, buf, 7);
931 /* VC1DecSpecStruc */
932 put_bits(&pbc, 4, 12); /* profile - advanced */
933 put_bits(&pbc, 3, level);
934 put_bits(&pbc, 1, 0); /* reserved */
935 /* VC1AdvDecSpecStruc */
936 put_bits(&pbc, 3, level);
937 put_bits(&pbc, 1, 0); /* cbr */
938 put_bits(&pbc, 6, 0); /* reserved */
939 put_bits(&pbc, 1, !interlace); /* no interlace */
940 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
941 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
942 put_bits(&pbc, 1, !slices); /* no slice code */
943 put_bits(&pbc, 1, 0); /* no bframe */
944 put_bits(&pbc, 1, 0); /* reserved */
947 if (track->st->avg_frame_rate.num > 0 && track->st->avg_frame_rate.den > 0)
948 put_bits32(&pbc, track->st->avg_frame_rate.num / track->st->avg_frame_rate.den);
950 put_bits32(&pbc, 0xffffffff);
952 flush_put_bits(&pbc);
959 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
961 uint8_t buf[7] = { 0 };
964 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
967 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
968 ffio_wfourcc(pb, "dvc1");
969 avio_write(pb, buf, sizeof(buf));
970 avio_write(pb, track->vos_data, track->vos_len);
975 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
977 avio_wb32(pb, track->vos_len + 8);
978 ffio_wfourcc(pb, "glbl");
979 avio_write(pb, track->vos_data, track->vos_len);
980 return 8 + track->vos_len;
984 * Compute flags for 'lpcm' tag.
985 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
987 static int mov_get_lpcm_flags(enum AVCodecID codec_id)
990 case AV_CODEC_ID_PCM_F32BE:
991 case AV_CODEC_ID_PCM_F64BE:
993 case AV_CODEC_ID_PCM_F32LE:
994 case AV_CODEC_ID_PCM_F64LE:
996 case AV_CODEC_ID_PCM_U8:
998 case AV_CODEC_ID_PCM_S16BE:
999 case AV_CODEC_ID_PCM_S24BE:
1000 case AV_CODEC_ID_PCM_S32BE:
1002 case AV_CODEC_ID_PCM_S8:
1003 case AV_CODEC_ID_PCM_S16LE:
1004 case AV_CODEC_ID_PCM_S24LE:
1005 case AV_CODEC_ID_PCM_S32LE:
1012 static int get_cluster_duration(MOVTrack *track, int cluster_idx)
1016 if (cluster_idx >= track->entry)
1019 if (cluster_idx + 1 == track->entry)
1020 next_dts = track->track_duration + track->start_dts;
1022 next_dts = track->cluster[cluster_idx + 1].dts;
1024 next_dts -= track->cluster[cluster_idx].dts;
1026 av_assert0(next_dts >= 0);
1027 av_assert0(next_dts <= INT_MAX);
1032 static int get_samples_per_packet(MOVTrack *track)
1034 int i, first_duration;
1036 // return track->par->frame_size;
1038 /* use 1 for raw PCM */
1039 if (!track->audio_vbr)
1042 /* check to see if duration is constant for all clusters */
1045 first_duration = get_cluster_duration(track, 0);
1046 for (i = 1; i < track->entry; i++) {
1047 if (get_cluster_duration(track, i) != first_duration)
1050 return first_duration;
1053 static int mov_write_audio_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
1055 int64_t pos = avio_tell(pb);
1057 uint32_t tag = track->tag;
1060 if (track->mode == MODE_MOV) {
1061 if (track->timescale > UINT16_MAX || !track->par->channels) {
1062 if (mov_get_lpcm_flags(track->par->codec_id))
1063 tag = AV_RL32("lpcm");
1065 } else if (track->audio_vbr || mov_pcm_le_gt16(track->par->codec_id) ||
1066 mov_pcm_be_gt16(track->par->codec_id) ||
1067 track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
1068 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
1069 track->par->codec_id == AV_CODEC_ID_QDM2) {
1074 avio_wb32(pb, 0); /* size */
1075 if (mov->encryption_scheme != MOV_ENC_NONE) {
1076 ffio_wfourcc(pb, "enca");
1078 avio_wl32(pb, tag); // store it byteswapped
1080 avio_wb32(pb, 0); /* Reserved */
1081 avio_wb16(pb, 0); /* Reserved */
1082 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
1084 /* SoundDescription */
1085 avio_wb16(pb, version); /* Version */
1086 avio_wb16(pb, 0); /* Revision level */
1087 avio_wb32(pb, 0); /* Reserved */
1092 avio_wb16(pb, 0xfffe);
1094 avio_wb32(pb, 0x00010000);
1096 avio_wb64(pb, av_double2int(track->par->sample_rate));
1097 avio_wb32(pb, track->par->channels);
1098 avio_wb32(pb, 0x7F000000);
1099 avio_wb32(pb, av_get_bits_per_sample(track->par->codec_id));
1100 avio_wb32(pb, mov_get_lpcm_flags(track->par->codec_id));
1101 avio_wb32(pb, track->sample_size);
1102 avio_wb32(pb, get_samples_per_packet(track));
1104 if (track->mode == MODE_MOV) {
1105 avio_wb16(pb, track->par->channels);
1106 if (track->par->codec_id == AV_CODEC_ID_PCM_U8 ||
1107 track->par->codec_id == AV_CODEC_ID_PCM_S8)
1108 avio_wb16(pb, 8); /* bits per sample */
1109 else if (track->par->codec_id == AV_CODEC_ID_ADPCM_G726)
1110 avio_wb16(pb, track->par->bits_per_coded_sample);
1113 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
1114 } else { /* reserved for mp4/3gp */
1115 if (track->par->codec_id == AV_CODEC_ID_FLAC ||
1116 track->par->codec_id == AV_CODEC_ID_ALAC ||
1117 track->par->codec_id == AV_CODEC_ID_OPUS) {
1118 avio_wb16(pb, track->par->channels);
1122 if (track->par->codec_id == AV_CODEC_ID_FLAC ||
1123 track->par->codec_id == AV_CODEC_ID_ALAC) {
1124 avio_wb16(pb, track->par->bits_per_raw_sample);
1131 avio_wb16(pb, 0); /* packet size (= 0) */
1132 if (track->par->codec_id == AV_CODEC_ID_OPUS)
1133 avio_wb16(pb, 48000);
1134 else if (track->par->codec_id == AV_CODEC_ID_TRUEHD)
1135 avio_wb32(pb, track->par->sample_rate);
1137 avio_wb16(pb, track->par->sample_rate <= UINT16_MAX ?
1138 track->par->sample_rate : 0);
1140 if (track->par->codec_id != AV_CODEC_ID_TRUEHD)
1141 avio_wb16(pb, 0); /* Reserved */
1144 if (version == 1) { /* SoundDescription V1 extended info */
1145 if (mov_pcm_le_gt16(track->par->codec_id) ||
1146 mov_pcm_be_gt16(track->par->codec_id))
1147 avio_wb32(pb, 1); /* must be 1 for uncompressed formats */
1149 avio_wb32(pb, track->par->frame_size); /* Samples per packet */
1150 avio_wb32(pb, track->sample_size / track->par->channels); /* Bytes per packet */
1151 avio_wb32(pb, track->sample_size); /* Bytes per frame */
1152 avio_wb32(pb, 2); /* Bytes per sample */
1155 if (track->mode == MODE_MOV &&
1156 (track->par->codec_id == AV_CODEC_ID_AAC ||
1157 track->par->codec_id == AV_CODEC_ID_AC3 ||
1158 track->par->codec_id == AV_CODEC_ID_EAC3 ||
1159 track->par->codec_id == AV_CODEC_ID_AMR_NB ||
1160 track->par->codec_id == AV_CODEC_ID_ALAC ||
1161 track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
1162 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
1163 track->par->codec_id == AV_CODEC_ID_QDM2 ||
1164 (mov_pcm_le_gt16(track->par->codec_id) && version==1) ||
1165 (mov_pcm_be_gt16(track->par->codec_id) && version==1)))
1166 ret = mov_write_wave_tag(s, pb, track);
1167 else if (track->tag == MKTAG('m','p','4','a'))
1168 ret = mov_write_esds_tag(pb, track);
1169 else if (track->par->codec_id == AV_CODEC_ID_AMR_NB)
1170 ret = mov_write_amr_tag(pb, track);
1171 else if (track->par->codec_id == AV_CODEC_ID_AC3)
1172 ret = mov_write_ac3_tag(s, pb, track);
1173 else if (track->par->codec_id == AV_CODEC_ID_EAC3)
1174 ret = mov_write_eac3_tag(s, pb, track);
1175 else if (track->par->codec_id == AV_CODEC_ID_ALAC)
1176 ret = mov_write_extradata_tag(pb, track);
1177 else if (track->par->codec_id == AV_CODEC_ID_WMAPRO)
1178 ret = mov_write_wfex_tag(s, pb, track);
1179 else if (track->par->codec_id == AV_CODEC_ID_FLAC)
1180 ret = mov_write_dfla_tag(pb, track);
1181 else if (track->par->codec_id == AV_CODEC_ID_OPUS)
1182 ret = mov_write_dops_tag(s, pb, track);
1183 else if (track->par->codec_id == AV_CODEC_ID_TRUEHD)
1184 ret = mov_write_dmlp_tag(s, pb, track);
1185 else if (track->vos_len > 0)
1186 ret = mov_write_glbl_tag(pb, track);
1191 if (track->mode == MODE_MOV && track->par->codec_type == AVMEDIA_TYPE_AUDIO
1192 && ((ret = mov_write_chan_tag(s, pb, track)) < 0)) {
1196 if (mov->encryption_scheme != MOV_ENC_NONE
1197 && ((ret = ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid)) < 0)) {
1201 ret = update_size(pb, pos);
1205 static int mov_write_d263_tag(AVIOContext *pb)
1207 avio_wb32(pb, 0xf); /* size */
1208 ffio_wfourcc(pb, "d263");
1209 ffio_wfourcc(pb, "FFMP");
1210 avio_w8(pb, 0); /* decoder version */
1211 /* FIXME use AVCodecContext level/profile, when encoder will set values */
1212 avio_w8(pb, 0xa); /* level */
1213 avio_w8(pb, 0); /* profile */
1217 static int mov_write_av1c_tag(AVIOContext *pb, MOVTrack *track)
1219 int64_t pos = avio_tell(pb);
1222 ffio_wfourcc(pb, "av1C");
1223 ff_isom_write_av1c(pb, track->vos_data, track->vos_len);
1224 return update_size(pb, pos);
1227 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
1229 int64_t pos = avio_tell(pb);
1232 ffio_wfourcc(pb, "avcC");
1233 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
1234 return update_size(pb, pos);
1237 static int mov_write_vpcc_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
1239 int64_t pos = avio_tell(pb);
1242 ffio_wfourcc(pb, "vpcC");
1243 avio_w8(pb, 1); /* version */
1244 avio_wb24(pb, 0); /* flags */
1245 ff_isom_write_vpcc(s, pb, track->par);
1246 return update_size(pb, pos);
1249 static int mov_write_hvcc_tag(AVIOContext *pb, MOVTrack *track)
1251 int64_t pos = avio_tell(pb);
1254 ffio_wfourcc(pb, "hvcC");
1255 if (track->tag == MKTAG('h','v','c','1'))
1256 ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 1);
1258 ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 0);
1259 return update_size(pb, pos);
1262 /* also used by all avid codecs (dv, imx, meridien) and their variants */
1263 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
1268 int display_width = track->par->width;
1270 if (track->vos_data && track->vos_len > 0x29) {
1271 if (ff_dnxhd_parse_header_prefix(track->vos_data) != 0) {
1272 /* looks like a DNxHD bit stream */
1273 interlaced = (track->vos_data[5] & 2);
1274 cid = AV_RB32(track->vos_data + 0x28);
1276 av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream in vos_data\n");
1280 av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream, vos_data too small\n");
1284 avio_wb32(pb, 24); /* size */
1285 ffio_wfourcc(pb, "ACLR");
1286 ffio_wfourcc(pb, "ACLR");
1287 ffio_wfourcc(pb, "0001");
1288 if (track->par->color_range == AVCOL_RANGE_MPEG || /* Legal range (16-235) */
1289 track->par->color_range == AVCOL_RANGE_UNSPECIFIED) {
1290 avio_wb32(pb, 1); /* Corresponds to 709 in official encoder */
1291 } else { /* Full range (0-255) */
1292 avio_wb32(pb, 2); /* Corresponds to RGB in official encoder */
1294 avio_wb32(pb, 0); /* unknown */
1296 if (track->tag == MKTAG('A','V','d','h')) {
1298 ffio_wfourcc(pb, "ADHR");
1299 ffio_wfourcc(pb, "0001");
1301 avio_wb32(pb, 0); /* unknown */
1302 avio_wb32(pb, 1); /* unknown */
1303 avio_wb32(pb, 0); /* unknown */
1304 avio_wb32(pb, 0); /* unknown */
1308 avio_wb32(pb, 24); /* size */
1309 ffio_wfourcc(pb, "APRG");
1310 ffio_wfourcc(pb, "APRG");
1311 ffio_wfourcc(pb, "0001");
1312 avio_wb32(pb, 1); /* unknown */
1313 avio_wb32(pb, 0); /* unknown */
1315 avio_wb32(pb, 120); /* size */
1316 ffio_wfourcc(pb, "ARES");
1317 ffio_wfourcc(pb, "ARES");
1318 ffio_wfourcc(pb, "0001");
1319 avio_wb32(pb, cid); /* dnxhd cid, some id ? */
1320 if ( track->par->sample_aspect_ratio.num > 0
1321 && track->par->sample_aspect_ratio.den > 0)
1322 display_width = display_width * track->par->sample_aspect_ratio.num / track->par->sample_aspect_ratio.den;
1323 avio_wb32(pb, display_width);
1324 /* values below are based on samples created with quicktime and avid codecs */
1326 avio_wb32(pb, track->par->height / 2);
1327 avio_wb32(pb, 2); /* unknown */
1328 avio_wb32(pb, 0); /* unknown */
1329 avio_wb32(pb, 4); /* unknown */
1331 avio_wb32(pb, track->par->height);
1332 avio_wb32(pb, 1); /* unknown */
1333 avio_wb32(pb, 0); /* unknown */
1334 if (track->par->height == 1080)
1335 avio_wb32(pb, 5); /* unknown */
1337 avio_wb32(pb, 6); /* unknown */
1340 for (i = 0; i < 10; i++)
1346 static int mov_write_dpxe_tag(AVIOContext *pb, MOVTrack *track)
1349 ffio_wfourcc(pb, "DpxE");
1350 if (track->par->extradata_size >= 12 &&
1351 !memcmp(&track->par->extradata[4], "DpxE", 4)) {
1352 avio_wb32(pb, track->par->extradata[11]);
1359 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
1363 if (track->par->width == 720) { /* SD */
1364 if (track->par->height == 480) { /* NTSC */
1365 if (track->par->format == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
1366 else tag = MKTAG('d','v','c',' ');
1367 }else if (track->par->format == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
1368 else if (track->par->format == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
1369 else tag = MKTAG('d','v','p','p');
1370 } else if (track->par->height == 720) { /* HD 720 line */
1371 if (track->st->time_base.den == 50) tag = MKTAG('d','v','h','q');
1372 else tag = MKTAG('d','v','h','p');
1373 } else if (track->par->height == 1080) { /* HD 1080 line */
1374 if (track->st->time_base.den == 25) tag = MKTAG('d','v','h','5');
1375 else tag = MKTAG('d','v','h','6');
1377 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
1384 static AVRational find_fps(AVFormatContext *s, AVStream *st)
1386 AVRational rate = st->avg_frame_rate;
1388 #if FF_API_LAVF_AVCTX
1389 FF_DISABLE_DEPRECATION_WARNINGS
1390 rate = av_inv_q(st->codec->time_base);
1391 if (av_timecode_check_frame_rate(rate) < 0) {
1392 av_log(s, AV_LOG_DEBUG, "timecode: tbc=%d/%d invalid, fallback on %d/%d\n",
1393 rate.num, rate.den, st->avg_frame_rate.num, st->avg_frame_rate.den);
1394 rate = st->avg_frame_rate;
1396 FF_ENABLE_DEPRECATION_WARNINGS
1402 static int defined_frame_rate(AVFormatContext *s, AVStream *st)
1404 AVRational rational_framerate = find_fps(s, st);
1406 if (rational_framerate.den != 0)
1407 rate = av_q2d(rational_framerate);
1411 static int mov_get_mpeg2_xdcam_codec_tag(AVFormatContext *s, MOVTrack *track)
1413 int tag = track->par->codec_tag;
1414 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1415 AVStream *st = track->st;
1416 int rate = defined_frame_rate(s, st);
1419 tag = MKTAG('m', '2', 'v', '1'); //fallback tag
1421 if (track->par->format == AV_PIX_FMT_YUV420P) {
1422 if (track->par->width == 1280 && track->par->height == 720) {
1424 if (rate == 24) tag = MKTAG('x','d','v','4');
1425 else if (rate == 25) tag = MKTAG('x','d','v','5');
1426 else if (rate == 30) tag = MKTAG('x','d','v','1');
1427 else if (rate == 50) tag = MKTAG('x','d','v','a');
1428 else if (rate == 60) tag = MKTAG('x','d','v','9');
1430 } else if (track->par->width == 1440 && track->par->height == 1080) {
1432 if (rate == 24) tag = MKTAG('x','d','v','6');
1433 else if (rate == 25) tag = MKTAG('x','d','v','7');
1434 else if (rate == 30) tag = MKTAG('x','d','v','8');
1436 if (rate == 25) tag = MKTAG('x','d','v','3');
1437 else if (rate == 30) tag = MKTAG('x','d','v','2');
1439 } else if (track->par->width == 1920 && track->par->height == 1080) {
1441 if (rate == 24) tag = MKTAG('x','d','v','d');
1442 else if (rate == 25) tag = MKTAG('x','d','v','e');
1443 else if (rate == 30) tag = MKTAG('x','d','v','f');
1445 if (rate == 25) tag = MKTAG('x','d','v','c');
1446 else if (rate == 30) tag = MKTAG('x','d','v','b');
1449 } else if (track->par->format == AV_PIX_FMT_YUV422P) {
1450 if (track->par->width == 1280 && track->par->height == 720) {
1452 if (rate == 24) tag = MKTAG('x','d','5','4');
1453 else if (rate == 25) tag = MKTAG('x','d','5','5');
1454 else if (rate == 30) tag = MKTAG('x','d','5','1');
1455 else if (rate == 50) tag = MKTAG('x','d','5','a');
1456 else if (rate == 60) tag = MKTAG('x','d','5','9');
1458 } else if (track->par->width == 1920 && track->par->height == 1080) {
1460 if (rate == 24) tag = MKTAG('x','d','5','d');
1461 else if (rate == 25) tag = MKTAG('x','d','5','e');
1462 else if (rate == 30) tag = MKTAG('x','d','5','f');
1464 if (rate == 25) tag = MKTAG('x','d','5','c');
1465 else if (rate == 30) tag = MKTAG('x','d','5','b');
1473 static int mov_get_h264_codec_tag(AVFormatContext *s, MOVTrack *track)
1475 int tag = track->par->codec_tag;
1476 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1477 AVStream *st = track->st;
1478 int rate = defined_frame_rate(s, st);
1481 tag = MKTAG('a', 'v', 'c', 'i'); //fallback tag
1483 if (track->par->format == AV_PIX_FMT_YUV420P10) {
1484 if (track->par->width == 960 && track->par->height == 720) {
1486 if (rate == 24) tag = MKTAG('a','i','5','p');
1487 else if (rate == 25) tag = MKTAG('a','i','5','q');
1488 else if (rate == 30) tag = MKTAG('a','i','5','p');
1489 else if (rate == 50) tag = MKTAG('a','i','5','q');
1490 else if (rate == 60) tag = MKTAG('a','i','5','p');
1492 } else if (track->par->width == 1440 && track->par->height == 1080) {
1494 if (rate == 24) tag = MKTAG('a','i','5','3');
1495 else if (rate == 25) tag = MKTAG('a','i','5','2');
1496 else if (rate == 30) tag = MKTAG('a','i','5','3');
1498 if (rate == 50) tag = MKTAG('a','i','5','5');
1499 else if (rate == 60) tag = MKTAG('a','i','5','6');
1502 } else if (track->par->format == AV_PIX_FMT_YUV422P10) {
1503 if (track->par->width == 1280 && track->par->height == 720) {
1505 if (rate == 24) tag = MKTAG('a','i','1','p');
1506 else if (rate == 25) tag = MKTAG('a','i','1','q');
1507 else if (rate == 30) tag = MKTAG('a','i','1','p');
1508 else if (rate == 50) tag = MKTAG('a','i','1','q');
1509 else if (rate == 60) tag = MKTAG('a','i','1','p');
1511 } else if (track->par->width == 1920 && track->par->height == 1080) {
1513 if (rate == 24) tag = MKTAG('a','i','1','3');
1514 else if (rate == 25) tag = MKTAG('a','i','1','2');
1515 else if (rate == 30) tag = MKTAG('a','i','1','3');
1517 if (rate == 25) tag = MKTAG('a','i','1','5');
1518 else if (rate == 50) tag = MKTAG('a','i','1','5');
1519 else if (rate == 60) tag = MKTAG('a','i','1','6');
1521 } else if ( track->par->width == 4096 && track->par->height == 2160
1522 || track->par->width == 3840 && track->par->height == 2160
1523 || track->par->width == 2048 && track->par->height == 1080) {
1524 tag = MKTAG('a','i','v','x');
1531 static const struct {
1532 enum AVPixelFormat pix_fmt;
1535 } mov_pix_fmt_tags[] = {
1536 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','2'), 0 },
1537 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
1538 { AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
1539 { AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
1540 { AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
1541 { AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
1542 { AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
1543 { AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
1544 { AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
1545 { AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
1546 { AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
1547 { AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
1548 { AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
1549 { AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
1550 { AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
1553 static int mov_get_dnxhd_codec_tag(AVFormatContext *s, MOVTrack *track)
1555 int tag = MKTAG('A','V','d','n');
1556 if (track->par->profile != FF_PROFILE_UNKNOWN &&
1557 track->par->profile != FF_PROFILE_DNXHD)
1558 tag = MKTAG('A','V','d','h');
1562 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
1564 int tag = track->par->codec_tag;
1566 enum AVPixelFormat pix_fmt;
1568 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
1569 if (track->par->format == mov_pix_fmt_tags[i].pix_fmt) {
1570 tag = mov_pix_fmt_tags[i].tag;
1571 track->par->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
1572 if (track->par->codec_tag == mov_pix_fmt_tags[i].tag)
1577 pix_fmt = avpriv_find_pix_fmt(avpriv_pix_fmt_bps_mov,
1578 track->par->bits_per_coded_sample);
1579 if (tag == MKTAG('r','a','w',' ') &&
1580 track->par->format != pix_fmt &&
1581 track->par->format != AV_PIX_FMT_GRAY8 &&
1582 track->par->format != AV_PIX_FMT_NONE)
1583 av_log(s, AV_LOG_ERROR, "%s rawvideo cannot be written to mov, output file will be unreadable\n",
1584 av_get_pix_fmt_name(track->par->format));
1588 static unsigned int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1590 unsigned int tag = track->par->codec_tag;
1592 if (!tag || (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
1593 (track->par->codec_id == AV_CODEC_ID_DVVIDEO ||
1594 track->par->codec_id == AV_CODEC_ID_RAWVIDEO ||
1595 track->par->codec_id == AV_CODEC_ID_H263 ||
1596 track->par->codec_id == AV_CODEC_ID_H264 ||
1597 track->par->codec_id == AV_CODEC_ID_DNXHD ||
1598 track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO ||
1599 av_get_bits_per_sample(track->par->codec_id)))) { // pcm audio
1600 if (track->par->codec_id == AV_CODEC_ID_DVVIDEO)
1601 tag = mov_get_dv_codec_tag(s, track);
1602 else if (track->par->codec_id == AV_CODEC_ID_RAWVIDEO)
1603 tag = mov_get_rawvideo_codec_tag(s, track);
1604 else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO)
1605 tag = mov_get_mpeg2_xdcam_codec_tag(s, track);
1606 else if (track->par->codec_id == AV_CODEC_ID_H264)
1607 tag = mov_get_h264_codec_tag(s, track);
1608 else if (track->par->codec_id == AV_CODEC_ID_DNXHD)
1609 tag = mov_get_dnxhd_codec_tag(s, track);
1610 else if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
1611 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->par->codec_id);
1612 if (!tag) { // if no mac fcc found, try with Microsoft tags
1613 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->par->codec_id);
1615 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
1616 "the file may be unplayable!\n");
1618 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
1619 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->par->codec_id);
1620 if (!tag) { // if no mac fcc found, try with Microsoft tags
1621 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->par->codec_id);
1623 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
1624 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
1625 "the file may be unplayable!\n");
1628 } else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)
1629 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->par->codec_id);
1635 static const AVCodecTag codec_cover_image_tags[] = {
1636 { AV_CODEC_ID_MJPEG, 0xD },
1637 { AV_CODEC_ID_PNG, 0xE },
1638 { AV_CODEC_ID_BMP, 0x1B },
1639 { AV_CODEC_ID_NONE, 0 },
1642 static unsigned int validate_codec_tag(const AVCodecTag *const *tags,
1643 unsigned int tag, int codec_id)
1648 * Check that tag + id is in the table
1650 for (i = 0; tags && tags[i]; i++) {
1651 const AVCodecTag *codec_tags = tags[i];
1652 while (codec_tags->id != AV_CODEC_ID_NONE) {
1653 if (avpriv_toupper4(codec_tags->tag) == avpriv_toupper4(tag) &&
1654 codec_tags->id == codec_id)
1655 return codec_tags->tag;
1662 static unsigned int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
1664 if (is_cover_image(track->st))
1665 return ff_codec_get_tag(codec_cover_image_tags, track->par->codec_id);
1667 if (track->mode == MODE_IPOD)
1668 if (!av_match_ext(s->url, "m4a") &&
1669 !av_match_ext(s->url, "m4v") &&
1670 !av_match_ext(s->url, "m4b"))
1671 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
1672 "Quicktime/Ipod might not play the file\n");
1674 if (track->mode == MODE_MOV) {
1675 return mov_get_codec_tag(s, track);
1677 return validate_codec_tag(s->oformat->codec_tag, track->par->codec_tag,
1678 track->par->codec_id);
1681 /** Write uuid atom.
1682 * Needed to make file play in iPods running newest firmware
1683 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
1685 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
1688 ffio_wfourcc(pb, "uuid");
1689 avio_wb32(pb, 0x6b6840f2);
1690 avio_wb32(pb, 0x5f244fc5);
1691 avio_wb32(pb, 0xba39a51b);
1692 avio_wb32(pb, 0xcf0323f3);
1697 static const uint16_t fiel_data[] = {
1698 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
1701 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track, int field_order)
1703 unsigned mov_field_order = 0;
1704 if (field_order < FF_ARRAY_ELEMS(fiel_data))
1705 mov_field_order = fiel_data[field_order];
1709 ffio_wfourcc(pb, "fiel");
1710 avio_wb16(pb, mov_field_order);
1714 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
1716 int64_t pos = avio_tell(pb);
1717 avio_wb32(pb, 0); /* size */
1718 avio_wl32(pb, track->tag); // store it byteswapped
1719 avio_wb32(pb, 0); /* Reserved */
1720 avio_wb16(pb, 0); /* Reserved */
1721 avio_wb16(pb, 1); /* Data-reference index */
1723 if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
1724 mov_write_esds_tag(pb, track);
1725 else if (track->par->extradata_size)
1726 avio_write(pb, track->par->extradata, track->par->extradata_size);
1728 return update_size(pb, pos);
1731 static int mov_write_st3d_tag(AVFormatContext *s, AVIOContext *pb, AVStereo3D *stereo_3d)
1735 if (stereo_3d->flags != 0) {
1736 av_log(s, AV_LOG_WARNING, "Unsupported stereo_3d flags %x. st3d not written.\n", stereo_3d->flags);
1740 switch (stereo_3d->type) {
1741 case AV_STEREO3D_2D:
1744 case AV_STEREO3D_TOPBOTTOM:
1747 case AV_STEREO3D_SIDEBYSIDE:
1751 av_log(s, AV_LOG_WARNING, "Unsupported stereo_3d type %s. st3d not written.\n", av_stereo3d_type_name(stereo_3d->type));
1754 avio_wb32(pb, 13); /* size */
1755 ffio_wfourcc(pb, "st3d");
1756 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1757 avio_w8(pb, stereo_mode);
1761 static int mov_write_sv3d_tag(AVFormatContext *s, AVIOContext *pb, AVSphericalMapping *spherical_mapping)
1763 int64_t sv3d_pos, svhd_pos, proj_pos;
1764 const char* metadata_source = s->flags & AVFMT_FLAG_BITEXACT ? "Lavf" : LIBAVFORMAT_IDENT;
1766 if (spherical_mapping->projection != AV_SPHERICAL_EQUIRECTANGULAR &&
1767 spherical_mapping->projection != AV_SPHERICAL_EQUIRECTANGULAR_TILE &&
1768 spherical_mapping->projection != AV_SPHERICAL_CUBEMAP) {
1769 av_log(s, AV_LOG_WARNING, "Unsupported projection %d. sv3d not written.\n", spherical_mapping->projection);
1773 sv3d_pos = avio_tell(pb);
1774 avio_wb32(pb, 0); /* size */
1775 ffio_wfourcc(pb, "sv3d");
1777 svhd_pos = avio_tell(pb);
1778 avio_wb32(pb, 0); /* size */
1779 ffio_wfourcc(pb, "svhd");
1780 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1781 avio_put_str(pb, metadata_source);
1782 update_size(pb, svhd_pos);
1784 proj_pos = avio_tell(pb);
1785 avio_wb32(pb, 0); /* size */
1786 ffio_wfourcc(pb, "proj");
1788 avio_wb32(pb, 24); /* size */
1789 ffio_wfourcc(pb, "prhd");
1790 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1791 avio_wb32(pb, spherical_mapping->yaw);
1792 avio_wb32(pb, spherical_mapping->pitch);
1793 avio_wb32(pb, spherical_mapping->roll);
1795 switch (spherical_mapping->projection) {
1796 case AV_SPHERICAL_EQUIRECTANGULAR:
1797 case AV_SPHERICAL_EQUIRECTANGULAR_TILE:
1798 avio_wb32(pb, 28); /* size */
1799 ffio_wfourcc(pb, "equi");
1800 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1801 avio_wb32(pb, spherical_mapping->bound_top);
1802 avio_wb32(pb, spherical_mapping->bound_bottom);
1803 avio_wb32(pb, spherical_mapping->bound_left);
1804 avio_wb32(pb, spherical_mapping->bound_right);
1806 case AV_SPHERICAL_CUBEMAP:
1807 avio_wb32(pb, 20); /* size */
1808 ffio_wfourcc(pb, "cbmp");
1809 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1810 avio_wb32(pb, 0); /* layout */
1811 avio_wb32(pb, spherical_mapping->padding); /* padding */
1814 update_size(pb, proj_pos);
1816 return update_size(pb, sv3d_pos);
1819 static int mov_write_clap_tag(AVIOContext *pb, MOVTrack *track)
1822 ffio_wfourcc(pb, "clap");
1823 avio_wb32(pb, track->par->width); /* apertureWidth_N */
1824 avio_wb32(pb, 1); /* apertureWidth_D (= 1) */
1825 avio_wb32(pb, track->height); /* apertureHeight_N */
1826 avio_wb32(pb, 1); /* apertureHeight_D (= 1) */
1827 avio_wb32(pb, 0); /* horizOff_N (= 0) */
1828 avio_wb32(pb, 1); /* horizOff_D (= 1) */
1829 avio_wb32(pb, 0); /* vertOff_N (= 0) */
1830 avio_wb32(pb, 1); /* vertOff_D (= 1) */
1834 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
1837 av_reduce(&sar.num, &sar.den, track->par->sample_aspect_ratio.num,
1838 track->par->sample_aspect_ratio.den, INT_MAX);
1841 ffio_wfourcc(pb, "pasp");
1842 avio_wb32(pb, sar.num);
1843 avio_wb32(pb, sar.den);
1847 static int mov_write_gama_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track, double gamma)
1851 gamma = avpriv_get_gamma_from_trc(track->par->color_trc);
1853 av_log(s, AV_LOG_DEBUG, "gamma value %g\n", gamma);
1856 gama = (uint32_t)lrint((double)(1<<16) * gamma);
1857 av_log(s, AV_LOG_DEBUG, "writing gama value %"PRId32"\n", gama);
1859 av_assert0(track->mode == MODE_MOV);
1861 ffio_wfourcc(pb, "gama");
1862 avio_wb32(pb, gama);
1865 av_log(s, AV_LOG_WARNING, "gamma value unknown, unable to write gama atom\n");
1870 static int mov_write_colr_tag(AVIOContext *pb, MOVTrack *track, int prefer_icc)
1872 int64_t pos = avio_tell(pb);
1874 // Ref (MOV): https://developer.apple.com/library/mac/technotes/tn2162/_index.html#//apple_ref/doc/uid/DTS40013070-CH1-TNTAG9
1875 // Ref (MP4): ISO/IEC 14496-12:2012
1877 const uint8_t *icc_profile;
1878 int icc_profile_size;
1881 icc_profile = av_stream_get_side_data(track->st, AV_PKT_DATA_ICC_PROFILE, &icc_profile_size);
1884 avio_wb32(pb, 12 + icc_profile_size);
1885 ffio_wfourcc(pb, "colr");
1886 ffio_wfourcc(pb, "prof");
1887 avio_write(pb, icc_profile, icc_profile_size);
1888 return 12 + icc_profile_size;
1891 av_log(NULL, AV_LOG_INFO, "no ICC profile found, will write nclx/nclc colour info instead\n");
1895 /* We should only ever be called by MOV or MP4. */
1896 av_assert0(track->mode == MODE_MOV || track->mode == MODE_MP4);
1898 avio_wb32(pb, 0); /* size */
1899 ffio_wfourcc(pb, "colr");
1900 if (track->mode == MODE_MP4)
1901 ffio_wfourcc(pb, "nclx");
1903 ffio_wfourcc(pb, "nclc");
1904 // Do not try to guess the color info if it is AVCOL_PRI_UNSPECIFIED.
1905 // e.g., Dolby Vision for Apple devices should be set to AVCOL_PRI_UNSPECIFIED. See
1906 // https://developer.apple.com/av-foundation/High-Dynamic-Range-Metadata-for-Apple-Devices.pdf
1907 avio_wb16(pb, track->par->color_primaries);
1908 avio_wb16(pb, track->par->color_trc);
1909 avio_wb16(pb, track->par->color_space);
1910 if (track->mode == MODE_MP4) {
1911 int full_range = track->par->color_range == AVCOL_RANGE_JPEG;
1912 avio_w8(pb, full_range << 7);
1915 return update_size(pb, pos);
1918 static int mov_write_clli_tag(AVIOContext *pb, MOVTrack *track)
1920 const uint8_t *side_data;
1921 const AVContentLightMetadata *content_light_metadata;
1923 side_data = av_stream_get_side_data(track->st, AV_PKT_DATA_CONTENT_LIGHT_LEVEL, NULL);
1925 av_log(NULL, AV_LOG_VERBOSE, "Not writing 'clli' atom. No content light level info.\n");
1928 content_light_metadata = (const AVContentLightMetadata*)side_data;
1930 avio_wb32(pb, 12); // size
1931 ffio_wfourcc(pb, "clli");
1932 avio_wb16(pb, content_light_metadata->MaxCLL);
1933 avio_wb16(pb, content_light_metadata->MaxFALL);
1937 static inline int64_t rescale_mdcv(AVRational q, int b)
1939 return av_rescale(q.num, b, q.den);
1942 static int mov_write_mdcv_tag(AVIOContext *pb, MOVTrack *track)
1944 const int chroma_den = 50000;
1945 const int luma_den = 10000;
1946 const uint8_t *side_data;
1947 const AVMasteringDisplayMetadata *metadata;
1949 side_data = av_stream_get_side_data(track->st, AV_PKT_DATA_MASTERING_DISPLAY_METADATA, NULL);
1950 metadata = (const AVMasteringDisplayMetadata*)side_data;
1951 if (!metadata || !metadata->has_primaries || !metadata->has_luminance) {
1952 av_log(NULL, AV_LOG_VERBOSE, "Not writing 'mdcv' atom. Missing mastering metadata.\n");
1956 avio_wb32(pb, 32); // size
1957 ffio_wfourcc(pb, "mdcv");
1958 avio_wb16(pb, rescale_mdcv(metadata->display_primaries[1][0], chroma_den));
1959 avio_wb16(pb, rescale_mdcv(metadata->display_primaries[1][1], chroma_den));
1960 avio_wb16(pb, rescale_mdcv(metadata->display_primaries[2][0], chroma_den));
1961 avio_wb16(pb, rescale_mdcv(metadata->display_primaries[2][1], chroma_den));
1962 avio_wb16(pb, rescale_mdcv(metadata->display_primaries[0][0], chroma_den));
1963 avio_wb16(pb, rescale_mdcv(metadata->display_primaries[0][1], chroma_den));
1964 avio_wb16(pb, rescale_mdcv(metadata->white_point[0], chroma_den));
1965 avio_wb16(pb, rescale_mdcv(metadata->white_point[1], chroma_den));
1966 avio_wb32(pb, rescale_mdcv(metadata->max_luminance, luma_den));
1967 avio_wb32(pb, rescale_mdcv(metadata->min_luminance, luma_den));
1971 static void find_compressor(char * compressor_name, int len, MOVTrack *track)
1973 AVDictionaryEntry *encoder;
1974 int xdcam_res = (track->par->width == 1280 && track->par->height == 720)
1975 || (track->par->width == 1440 && track->par->height == 1080)
1976 || (track->par->width == 1920 && track->par->height == 1080);
1978 if (track->mode == MODE_MOV &&
1979 (encoder = av_dict_get(track->st->metadata, "encoder", NULL, 0))) {
1980 av_strlcpy(compressor_name, encoder->value, 32);
1981 } else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO && xdcam_res) {
1982 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1983 AVStream *st = track->st;
1984 int rate = defined_frame_rate(NULL, st);
1985 av_strlcatf(compressor_name, len, "XDCAM");
1986 if (track->par->format == AV_PIX_FMT_YUV422P) {
1987 av_strlcatf(compressor_name, len, " HD422");
1988 } else if(track->par->width == 1440) {
1989 av_strlcatf(compressor_name, len, " HD");
1991 av_strlcatf(compressor_name, len, " EX");
1993 av_strlcatf(compressor_name, len, " %d%c", track->par->height, interlaced ? 'i' : 'p');
1995 av_strlcatf(compressor_name, len, "%d", rate * (interlaced + 1));
1999 static int mov_write_video_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2001 int64_t pos = avio_tell(pb);
2002 char compressor_name[32] = { 0 };
2005 int uncompressed_ycbcr = ((track->par->codec_id == AV_CODEC_ID_RAWVIDEO && track->par->format == AV_PIX_FMT_UYVY422)
2006 || (track->par->codec_id == AV_CODEC_ID_RAWVIDEO && track->par->format == AV_PIX_FMT_YUYV422)
2007 || track->par->codec_id == AV_CODEC_ID_V308
2008 || track->par->codec_id == AV_CODEC_ID_V408
2009 || track->par->codec_id == AV_CODEC_ID_V410
2010 || track->par->codec_id == AV_CODEC_ID_V210);
2012 avio_wb32(pb, 0); /* size */
2013 if (mov->encryption_scheme != MOV_ENC_NONE) {
2014 ffio_wfourcc(pb, "encv");
2016 avio_wl32(pb, track->tag); // store it byteswapped
2018 avio_wb32(pb, 0); /* Reserved */
2019 avio_wb16(pb, 0); /* Reserved */
2020 avio_wb16(pb, 1); /* Data-reference index */
2022 if (uncompressed_ycbcr) {
2023 avio_wb16(pb, 2); /* Codec stream version */
2025 avio_wb16(pb, 0); /* Codec stream version */
2027 avio_wb16(pb, 0); /* Codec stream revision (=0) */
2028 if (track->mode == MODE_MOV) {
2029 ffio_wfourcc(pb, "FFMP"); /* Vendor */
2030 if (track->par->codec_id == AV_CODEC_ID_RAWVIDEO || uncompressed_ycbcr) {
2031 avio_wb32(pb, 0); /* Temporal Quality */
2032 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
2034 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
2035 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
2038 avio_wb32(pb, 0); /* Reserved */
2039 avio_wb32(pb, 0); /* Reserved */
2040 avio_wb32(pb, 0); /* Reserved */
2042 avio_wb16(pb, track->par->width); /* Video width */
2043 avio_wb16(pb, track->height); /* Video height */
2044 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
2045 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
2046 avio_wb32(pb, 0); /* Data size (= 0) */
2047 avio_wb16(pb, 1); /* Frame count (= 1) */
2049 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
2050 find_compressor(compressor_name, 32, track);
2051 avio_w8(pb, strlen(compressor_name));
2052 avio_write(pb, compressor_name, 31);
2054 if (track->mode == MODE_MOV &&
2055 (track->par->codec_id == AV_CODEC_ID_V410 || track->par->codec_id == AV_CODEC_ID_V210))
2056 avio_wb16(pb, 0x18);
2057 else if (track->mode == MODE_MOV && track->par->bits_per_coded_sample)
2058 avio_wb16(pb, track->par->bits_per_coded_sample |
2059 (track->par->format == AV_PIX_FMT_GRAY8 ? 0x20 : 0));
2061 avio_wb16(pb, 0x18); /* Reserved */
2063 if (track->mode == MODE_MOV && track->par->format == AV_PIX_FMT_PAL8) {
2064 int pal_size = 1 << track->par->bits_per_coded_sample;
2066 avio_wb16(pb, 0); /* Color table ID */
2067 avio_wb32(pb, 0); /* Color table seed */
2068 avio_wb16(pb, 0x8000); /* Color table flags */
2069 avio_wb16(pb, pal_size - 1); /* Color table size (zero-relative) */
2070 for (i = 0; i < pal_size; i++) {
2071 uint32_t rgb = track->palette[i];
2072 uint16_t r = (rgb >> 16) & 0xff;
2073 uint16_t g = (rgb >> 8) & 0xff;
2074 uint16_t b = rgb & 0xff;
2076 avio_wb16(pb, (r << 8) | r);
2077 avio_wb16(pb, (g << 8) | g);
2078 avio_wb16(pb, (b << 8) | b);
2081 avio_wb16(pb, 0xffff); /* Reserved */
2083 if (track->tag == MKTAG('m','p','4','v'))
2084 mov_write_esds_tag(pb, track);
2085 else if (track->par->codec_id == AV_CODEC_ID_H263)
2086 mov_write_d263_tag(pb);
2087 else if (track->par->codec_id == AV_CODEC_ID_AVUI ||
2088 track->par->codec_id == AV_CODEC_ID_SVQ3) {
2089 mov_write_extradata_tag(pb, track);
2091 } else if (track->par->codec_id == AV_CODEC_ID_DNXHD) {
2092 mov_write_avid_tag(pb, track);
2094 } else if (track->par->codec_id == AV_CODEC_ID_HEVC)
2095 mov_write_hvcc_tag(pb, track);
2096 else if (track->par->codec_id == AV_CODEC_ID_H264 && !TAG_IS_AVCI(track->tag)) {
2097 mov_write_avcc_tag(pb, track);
2098 if (track->mode == MODE_IPOD)
2099 mov_write_uuid_tag_ipod(pb);
2100 } else if (track->par->codec_id == AV_CODEC_ID_VP9) {
2101 mov_write_vpcc_tag(mov->fc, pb, track);
2102 } else if (track->par->codec_id == AV_CODEC_ID_AV1) {
2103 mov_write_av1c_tag(pb, track);
2104 } else if (track->par->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
2105 mov_write_dvc1_tag(pb, track);
2106 else if (track->par->codec_id == AV_CODEC_ID_VP6F ||
2107 track->par->codec_id == AV_CODEC_ID_VP6A) {
2108 /* Don't write any potential extradata here - the cropping
2109 * is signalled via the normal width/height fields. */
2110 } else if (track->par->codec_id == AV_CODEC_ID_R10K) {
2111 if (track->par->codec_tag == MKTAG('R','1','0','k'))
2112 mov_write_dpxe_tag(pb, track);
2113 } else if (track->vos_len > 0)
2114 mov_write_glbl_tag(pb, track);
2116 if (track->par->codec_id != AV_CODEC_ID_H264 &&
2117 track->par->codec_id != AV_CODEC_ID_MPEG4 &&
2118 track->par->codec_id != AV_CODEC_ID_DNXHD) {
2119 int field_order = track->par->field_order;
2121 #if FF_API_LAVF_AVCTX
2122 FF_DISABLE_DEPRECATION_WARNINGS
2123 if (field_order != track->st->codec->field_order && track->st->codec->field_order != AV_FIELD_UNKNOWN)
2124 field_order = track->st->codec->field_order;
2125 FF_ENABLE_DEPRECATION_WARNINGS
2128 if (field_order != AV_FIELD_UNKNOWN)
2129 mov_write_fiel_tag(pb, track, field_order);
2132 if (mov->flags & FF_MOV_FLAG_WRITE_GAMA) {
2133 if (track->mode == MODE_MOV)
2134 mov_write_gama_tag(s, pb, track, mov->gamma);
2136 av_log(mov->fc, AV_LOG_WARNING, "Not writing 'gama' atom. Format is not MOV.\n");
2138 if (mov->flags & FF_MOV_FLAG_WRITE_COLR) {
2139 if (track->mode == MODE_MOV || track->mode == MODE_MP4)
2140 mov_write_colr_tag(pb, track, mov->flags & FF_MOV_FLAG_PREFER_ICC);
2142 av_log(mov->fc, AV_LOG_WARNING, "Not writing 'colr' atom. Format is not MOV or MP4.\n");
2144 if (track->mode == MODE_MOV || track->mode == MODE_MP4) {
2145 mov_write_clli_tag(pb, track);
2146 mov_write_mdcv_tag(pb, track);
2149 if (track->mode == MODE_MP4 && mov->fc->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
2150 AVStereo3D* stereo_3d = (AVStereo3D*) av_stream_get_side_data(track->st, AV_PKT_DATA_STEREO3D, NULL);
2151 AVSphericalMapping* spherical_mapping = (AVSphericalMapping*)av_stream_get_side_data(track->st, AV_PKT_DATA_SPHERICAL, NULL);
2154 mov_write_st3d_tag(s, pb, stereo_3d);
2155 if (spherical_mapping)
2156 mov_write_sv3d_tag(mov->fc, pb, spherical_mapping);
2159 if (track->par->sample_aspect_ratio.den && track->par->sample_aspect_ratio.num) {
2160 mov_write_pasp_tag(pb, track);
2163 if (uncompressed_ycbcr){
2164 mov_write_clap_tag(pb, track);
2167 if (mov->encryption_scheme != MOV_ENC_NONE) {
2168 ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid);
2171 /* extra padding for avid stsd */
2172 /* https://developer.apple.com/library/mac/documentation/QuickTime/QTFF/QTFFChap2/qtff2.html#//apple_ref/doc/uid/TP40000939-CH204-61112 */
2176 return update_size(pb, pos);
2179 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
2181 int64_t pos = avio_tell(pb);
2182 avio_wb32(pb, 0); /* size */
2183 ffio_wfourcc(pb, "rtp ");
2184 avio_wb32(pb, 0); /* Reserved */
2185 avio_wb16(pb, 0); /* Reserved */
2186 avio_wb16(pb, 1); /* Data-reference index */
2188 avio_wb16(pb, 1); /* Hint track version */
2189 avio_wb16(pb, 1); /* Highest compatible version */
2190 avio_wb32(pb, track->max_packet_size); /* Max packet size */
2192 avio_wb32(pb, 12); /* size */
2193 ffio_wfourcc(pb, "tims");
2194 avio_wb32(pb, track->timescale);
2196 return update_size(pb, pos);
2199 static int mov_write_source_reference_tag(AVIOContext *pb, MOVTrack *track, const char *reel_name)
2201 uint64_t str_size =strlen(reel_name);
2202 int64_t pos = avio_tell(pb);
2204 if (str_size >= UINT16_MAX){
2205 av_log(NULL, AV_LOG_ERROR, "reel_name length %"PRIu64" is too large\n", str_size);
2207 return AVERROR(EINVAL);
2210 avio_wb32(pb, 0); /* size */
2211 ffio_wfourcc(pb, "name"); /* Data format */
2212 avio_wb16(pb, str_size); /* string size */
2213 avio_wb16(pb, track->language); /* langcode */
2214 avio_write(pb, reel_name, str_size); /* reel name */
2215 return update_size(pb,pos);
2218 static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
2220 int64_t pos = avio_tell(pb);
2224 AVDictionaryEntry *t = NULL;
2226 if (!track->st->avg_frame_rate.num || !track->st->avg_frame_rate.den) {
2227 #if FF_API_LAVF_AVCTX
2228 FF_DISABLE_DEPRECATION_WARNINGS
2229 frame_duration = av_rescale(track->timescale, track->st->codec->time_base.num, track->st->codec->time_base.den);
2230 nb_frames = ROUNDED_DIV(track->st->codec->time_base.den, track->st->codec->time_base.num);
2231 FF_ENABLE_DEPRECATION_WARNINGS
2233 av_log(NULL, AV_LOG_ERROR, "avg_frame_rate not set for tmcd track.\n");
2234 return AVERROR(EINVAL);
2237 frame_duration = av_rescale(track->timescale, track->st->avg_frame_rate.num, track->st->avg_frame_rate.den);
2238 nb_frames = ROUNDED_DIV(track->st->avg_frame_rate.den, track->st->avg_frame_rate.num);
2241 if (nb_frames > 255) {
2242 av_log(NULL, AV_LOG_ERROR, "fps %d is too large\n", nb_frames);
2243 return AVERROR(EINVAL);
2246 avio_wb32(pb, 0); /* size */
2247 ffio_wfourcc(pb, "tmcd"); /* Data format */
2248 avio_wb32(pb, 0); /* Reserved */
2249 avio_wb32(pb, 1); /* Data reference index */
2250 avio_wb32(pb, 0); /* Flags */
2251 avio_wb32(pb, track->timecode_flags); /* Flags (timecode) */
2252 avio_wb32(pb, track->timescale); /* Timescale */
2253 avio_wb32(pb, frame_duration); /* Frame duration */
2254 avio_w8(pb, nb_frames); /* Number of frames */
2255 avio_w8(pb, 0); /* Reserved */
2257 t = av_dict_get(track->st->metadata, "reel_name", NULL, 0);
2258 if (t && utf8len(t->value) && track->mode != MODE_MP4)
2259 mov_write_source_reference_tag(pb, track, t->value);
2261 avio_wb16(pb, 0); /* zero size */
2264 avio_wb32(pb, 0); /* size */
2265 ffio_wfourcc(pb, "tmcd"); /* Data format */
2266 avio_wb32(pb, 0); /* Reserved */
2267 avio_wb32(pb, 1); /* Data reference index */
2268 if (track->par->extradata_size)
2269 avio_write(pb, track->par->extradata, track->par->extradata_size);
2271 return update_size(pb, pos);
2274 static int mov_write_gpmd_tag(AVIOContext *pb, const MOVTrack *track)
2276 int64_t pos = avio_tell(pb);
2277 avio_wb32(pb, 0); /* size */
2278 ffio_wfourcc(pb, "gpmd");
2279 avio_wb32(pb, 0); /* Reserved */
2280 avio_wb16(pb, 0); /* Reserved */
2281 avio_wb16(pb, 1); /* Data-reference index */
2282 avio_wb32(pb, 0); /* Reserved */
2283 return update_size(pb, pos);
2286 static int mov_write_stsd_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2288 int64_t pos = avio_tell(pb);
2290 avio_wb32(pb, 0); /* size */
2291 ffio_wfourcc(pb, "stsd");
2292 avio_wb32(pb, 0); /* version & flags */
2293 avio_wb32(pb, 1); /* entry count */
2294 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO)
2295 ret = mov_write_video_tag(s, pb, mov, track);
2296 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2297 ret = mov_write_audio_tag(s, pb, mov, track);
2298 else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)
2299 ret = mov_write_subtitle_tag(pb, track);
2300 else if (track->par->codec_tag == MKTAG('r','t','p',' '))
2301 ret = mov_write_rtp_tag(pb, track);
2302 else if (track->par->codec_tag == MKTAG('t','m','c','d'))
2303 ret = mov_write_tmcd_tag(pb, track);
2304 else if (track->par->codec_tag == MKTAG('g','p','m','d'))
2305 ret = mov_write_gpmd_tag(pb, track);
2310 return update_size(pb, pos);
2313 static int mov_write_ctts_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
2315 MOVMuxContext *mov = s->priv_data;
2316 MOVStts *ctts_entries;
2317 uint32_t entries = 0;
2321 ctts_entries = av_malloc_array((track->entry + 1), sizeof(*ctts_entries)); /* worst case */
2323 return AVERROR(ENOMEM);
2324 ctts_entries[0].count = 1;
2325 ctts_entries[0].duration = track->cluster[0].cts;
2326 for (i = 1; i < track->entry; i++) {
2327 if (track->cluster[i].cts == ctts_entries[entries].duration) {
2328 ctts_entries[entries].count++; /* compress */
2331 ctts_entries[entries].duration = track->cluster[i].cts;
2332 ctts_entries[entries].count = 1;
2335 entries++; /* last one */
2336 atom_size = 16 + (entries * 8);
2337 avio_wb32(pb, atom_size); /* size */
2338 ffio_wfourcc(pb, "ctts");
2339 if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
2340 avio_w8(pb, 1); /* version */
2342 avio_w8(pb, 0); /* version */
2343 avio_wb24(pb, 0); /* flags */
2344 avio_wb32(pb, entries); /* entry count */
2345 for (i = 0; i < entries; i++) {
2346 avio_wb32(pb, ctts_entries[i].count);
2347 avio_wb32(pb, ctts_entries[i].duration);
2349 av_free(ctts_entries);
2353 /* Time to sample atom */
2354 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
2356 MOVStts *stts_entries = NULL;
2357 uint32_t entries = -1;
2361 if (track->par->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
2362 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
2364 return AVERROR(ENOMEM);
2365 stts_entries[0].count = track->sample_count;
2366 stts_entries[0].duration = 1;
2370 stts_entries = av_malloc_array(track->entry, sizeof(*stts_entries)); /* worst case */
2372 return AVERROR(ENOMEM);
2374 for (i = 0; i < track->entry; i++) {
2375 int duration = get_cluster_duration(track, i);
2376 if (i && duration == stts_entries[entries].duration) {
2377 stts_entries[entries].count++; /* compress */
2380 stts_entries[entries].duration = duration;
2381 stts_entries[entries].count = 1;
2384 entries++; /* last one */
2386 atom_size = 16 + (entries * 8);
2387 avio_wb32(pb, atom_size); /* size */
2388 ffio_wfourcc(pb, "stts");
2389 avio_wb32(pb, 0); /* version & flags */
2390 avio_wb32(pb, entries); /* entry count */
2391 for (i = 0; i < entries; i++) {
2392 avio_wb32(pb, stts_entries[i].count);
2393 avio_wb32(pb, stts_entries[i].duration);
2395 av_free(stts_entries);
2399 static int mov_write_dref_tag(AVIOContext *pb)
2401 avio_wb32(pb, 28); /* size */
2402 ffio_wfourcc(pb, "dref");
2403 avio_wb32(pb, 0); /* version & flags */
2404 avio_wb32(pb, 1); /* entry count */
2406 avio_wb32(pb, 0xc); /* size */
2407 //FIXME add the alis and rsrc atom
2408 ffio_wfourcc(pb, "url ");
2409 avio_wb32(pb, 1); /* version & flags */
2414 static int mov_preroll_write_stbl_atoms(AVIOContext *pb, MOVTrack *track)
2418 int16_t roll_distance;
2419 int group_description_index;
2422 struct sgpd_entry *sgpd_entries = NULL;
2427 const int OPUS_SEEK_PREROLL_MS = 80;
2428 int roll_samples = av_rescale_q(OPUS_SEEK_PREROLL_MS,
2429 (AVRational){1, 1000},
2430 (AVRational){1, 48000});
2435 sgpd_entries = av_malloc_array(track->entry, sizeof(*sgpd_entries));
2437 return AVERROR(ENOMEM);
2439 av_assert0(track->par->codec_id == AV_CODEC_ID_OPUS || track->par->codec_id == AV_CODEC_ID_AAC);
2441 if (track->par->codec_id == AV_CODEC_ID_OPUS) {
2442 for (i = 0; i < track->entry; i++) {
2443 int roll_samples_remaining = roll_samples;
2445 for (j = i - 1; j >= 0; j--) {
2446 roll_samples_remaining -= get_cluster_duration(track, j);
2448 if (roll_samples_remaining <= 0)
2451 /* We don't have enough preceeding samples to compute a valid
2452 roll_distance here, so this sample can't be independently
2454 if (roll_samples_remaining > 0)
2456 /* Verify distance is a maximum of 32 (2.5ms) packets. */
2458 return AVERROR_INVALIDDATA;
2459 if (i && distance == sgpd_entries[entries].roll_distance) {
2460 sgpd_entries[entries].count++;
2463 sgpd_entries[entries].count = 1;
2464 sgpd_entries[entries].roll_distance = distance;
2465 sgpd_entries[entries].group_description_index = distance ? ++group : 0;
2470 sgpd_entries[entries].count = track->sample_count;
2471 sgpd_entries[entries].roll_distance = 1;
2472 sgpd_entries[entries].group_description_index = ++group;
2477 av_free(sgpd_entries);
2481 /* Write sgpd tag */
2482 avio_wb32(pb, 24 + (group * 2)); /* size */
2483 ffio_wfourcc(pb, "sgpd");
2484 avio_wb32(pb, 1 << 24); /* fullbox */
2485 ffio_wfourcc(pb, "roll");
2486 avio_wb32(pb, 2); /* default_length */
2487 avio_wb32(pb, group); /* entry_count */
2488 for (i = 0; i < entries; i++) {
2489 if (sgpd_entries[i].group_description_index) {
2490 avio_wb16(pb, -sgpd_entries[i].roll_distance); /* roll_distance */
2494 /* Write sbgp tag */
2495 avio_wb32(pb, 20 + (entries * 8)); /* size */
2496 ffio_wfourcc(pb, "sbgp");
2497 avio_wb32(pb, 0); /* fullbox */
2498 ffio_wfourcc(pb, "roll");
2499 avio_wb32(pb, entries); /* entry_count */
2500 for (i = 0; i < entries; i++) {
2501 avio_wb32(pb, sgpd_entries[i].count); /* sample_count */
2502 avio_wb32(pb, sgpd_entries[i].group_description_index); /* group_description_index */
2505 av_free(sgpd_entries);
2509 static int mov_write_stbl_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2511 int64_t pos = avio_tell(pb);
2514 avio_wb32(pb, 0); /* size */
2515 ffio_wfourcc(pb, "stbl");
2516 if ((ret = mov_write_stsd_tag(s, pb, mov, track)) < 0)
2518 mov_write_stts_tag(pb, track);
2519 if ((track->par->codec_type == AVMEDIA_TYPE_VIDEO ||
2520 track->par->codec_id == AV_CODEC_ID_TRUEHD ||
2521 track->par->codec_id == AV_CODEC_ID_MPEGH_3D_AUDIO ||
2522 track->par->codec_tag == MKTAG('r','t','p',' ')) &&
2523 track->has_keyframes && track->has_keyframes < track->entry)
2524 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
2525 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO && track->has_disposable)
2526 mov_write_sdtp_tag(pb, track);
2527 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
2528 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
2529 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO &&
2530 track->flags & MOV_TRACK_CTTS && track->entry) {
2532 if ((ret = mov_write_ctts_tag(s, pb, track)) < 0)
2535 mov_write_stsc_tag(pb, track);
2536 mov_write_stsz_tag(pb, track);
2537 mov_write_stco_tag(pb, track);
2538 if (track->cenc.aes_ctr) {
2539 ff_mov_cenc_write_stbl_atoms(&track->cenc, pb);
2541 if (track->par->codec_id == AV_CODEC_ID_OPUS || track->par->codec_id == AV_CODEC_ID_AAC) {
2542 mov_preroll_write_stbl_atoms(pb, track);
2544 return update_size(pb, pos);
2547 static int mov_write_dinf_tag(AVIOContext *pb)
2549 int64_t pos = avio_tell(pb);
2550 avio_wb32(pb, 0); /* size */
2551 ffio_wfourcc(pb, "dinf");
2552 mov_write_dref_tag(pb);
2553 return update_size(pb, pos);
2556 static int mov_write_nmhd_tag(AVIOContext *pb)
2559 ffio_wfourcc(pb, "nmhd");
2564 static int mov_write_tcmi_tag(AVIOContext *pb, MOVTrack *track)
2566 int64_t pos = avio_tell(pb);
2567 const char *font = "Lucida Grande";
2568 avio_wb32(pb, 0); /* size */
2569 ffio_wfourcc(pb, "tcmi"); /* timecode media information atom */
2570 avio_wb32(pb, 0); /* version & flags */
2571 avio_wb16(pb, 0); /* text font */
2572 avio_wb16(pb, 0); /* text face */
2573 avio_wb16(pb, 12); /* text size */
2574 avio_wb16(pb, 0); /* (unknown, not in the QT specs...) */
2575 avio_wb16(pb, 0x0000); /* text color (red) */
2576 avio_wb16(pb, 0x0000); /* text color (green) */
2577 avio_wb16(pb, 0x0000); /* text color (blue) */
2578 avio_wb16(pb, 0xffff); /* background color (red) */
2579 avio_wb16(pb, 0xffff); /* background color (green) */
2580 avio_wb16(pb, 0xffff); /* background color (blue) */
2581 avio_w8(pb, strlen(font)); /* font len (part of the pascal string) */
2582 avio_write(pb, font, strlen(font)); /* font name */
2583 return update_size(pb, pos);
2586 static int mov_write_gmhd_tag(AVIOContext *pb, MOVTrack *track)
2588 int64_t pos = avio_tell(pb);
2589 avio_wb32(pb, 0); /* size */
2590 ffio_wfourcc(pb, "gmhd");
2591 avio_wb32(pb, 0x18); /* gmin size */
2592 ffio_wfourcc(pb, "gmin");/* generic media info */
2593 avio_wb32(pb, 0); /* version & flags */
2594 avio_wb16(pb, 0x40); /* graphics mode = */
2595 avio_wb16(pb, 0x8000); /* opColor (r?) */
2596 avio_wb16(pb, 0x8000); /* opColor (g?) */
2597 avio_wb16(pb, 0x8000); /* opColor (b?) */
2598 avio_wb16(pb, 0); /* balance */
2599 avio_wb16(pb, 0); /* reserved */
2602 * This special text atom is required for
2603 * Apple Quicktime chapters. The contents
2604 * don't appear to be documented, so the
2605 * bytes are copied verbatim.
2607 if (track->tag != MKTAG('c','6','0','8')) {
2608 avio_wb32(pb, 0x2C); /* size */
2609 ffio_wfourcc(pb, "text");
2610 avio_wb16(pb, 0x01);
2611 avio_wb32(pb, 0x00);
2612 avio_wb32(pb, 0x00);
2613 avio_wb32(pb, 0x00);
2614 avio_wb32(pb, 0x01);
2615 avio_wb32(pb, 0x00);
2616 avio_wb32(pb, 0x00);
2617 avio_wb32(pb, 0x00);
2618 avio_wb32(pb, 0x00004000);
2619 avio_wb16(pb, 0x0000);
2622 if (track->par->codec_tag == MKTAG('t','m','c','d')) {
2623 int64_t tmcd_pos = avio_tell(pb);
2624 avio_wb32(pb, 0); /* size */
2625 ffio_wfourcc(pb, "tmcd");
2626 mov_write_tcmi_tag(pb, track);
2627 update_size(pb, tmcd_pos);
2628 } else if (track->par->codec_tag == MKTAG('g','p','m','d')) {
2629 int64_t gpmd_pos = avio_tell(pb);
2630 avio_wb32(pb, 0); /* size */
2631 ffio_wfourcc(pb, "gpmd");
2632 avio_wb32(pb, 0); /* version */
2633 update_size(pb, gpmd_pos);
2635 return update_size(pb, pos);
2638 static int mov_write_smhd_tag(AVIOContext *pb)
2640 avio_wb32(pb, 16); /* size */
2641 ffio_wfourcc(pb, "smhd");
2642 avio_wb32(pb, 0); /* version & flags */
2643 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
2644 avio_wb16(pb, 0); /* reserved */
2648 static int mov_write_vmhd_tag(AVIOContext *pb)
2650 avio_wb32(pb, 0x14); /* size (always 0x14) */
2651 ffio_wfourcc(pb, "vmhd");
2652 avio_wb32(pb, 0x01); /* version & flags */
2653 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
2657 static int is_clcp_track(MOVTrack *track)
2659 return track->tag == MKTAG('c','7','0','8') ||
2660 track->tag == MKTAG('c','6','0','8');
2663 static int mov_write_hdlr_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
2665 MOVMuxContext *mov = s->priv_data;
2666 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
2667 int64_t pos = avio_tell(pb);
2671 descr = "DataHandler";
2674 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
2675 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
2677 descr = "VideoHandler";
2678 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
2680 descr = "SoundHandler";
2681 } else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2682 if (is_clcp_track(track)) {
2684 descr = "ClosedCaptionHandler";
2686 if (track->tag == MKTAG('t','x','3','g')) {
2688 } else if (track->tag == MKTAG('m','p','4','s')) {
2693 descr = "SubtitleHandler";
2695 } else if (track->par->codec_tag == MKTAG('r','t','p',' ')) {
2697 descr = "HintHandler";
2698 } else if (track->par->codec_tag == MKTAG('t','m','c','d')) {
2700 descr = "TimeCodeHandler";
2701 } else if (track->par->codec_tag == MKTAG('g','p','m','d')) {
2703 descr = "GoPro MET"; // GoPro Metadata
2705 av_log(s, AV_LOG_WARNING,
2706 "Unknown hldr_type for %s, writing dummy values\n",
2707 av_fourcc2str(track->par->codec_tag));
2710 // hdlr.name is used by some players to identify the content title
2711 // of the track. So if an alternate handler description is
2712 // specified, use it.
2713 AVDictionaryEntry *t;
2714 t = av_dict_get(track->st->metadata, "handler_name", NULL, 0);
2715 if (t && utf8len(t->value))
2720 if (mov->empty_hdlr_name) /* expressly allowed by QTFF and not prohibited in ISO 14496-12 8.4.3.3 */
2723 avio_wb32(pb, 0); /* size */
2724 ffio_wfourcc(pb, "hdlr");
2725 avio_wb32(pb, 0); /* Version & flags */
2726 avio_write(pb, hdlr, 4); /* handler */
2727 ffio_wfourcc(pb, hdlr_type); /* handler type */
2728 avio_wb32(pb, 0); /* reserved */
2729 avio_wb32(pb, 0); /* reserved */
2730 avio_wb32(pb, 0); /* reserved */
2731 if (!track || track->mode == MODE_MOV)
2732 avio_w8(pb, strlen(descr)); /* pascal string */
2733 avio_write(pb, descr, strlen(descr)); /* handler description */
2734 if (track && track->mode != MODE_MOV)
2735 avio_w8(pb, 0); /* c string */
2736 return update_size(pb, pos);
2739 static int mov_write_hmhd_tag(AVIOContext *pb)
2741 /* This atom must be present, but leaving the values at zero
2742 * seems harmless. */
2743 avio_wb32(pb, 28); /* size */
2744 ffio_wfourcc(pb, "hmhd");
2745 avio_wb32(pb, 0); /* version, flags */
2746 avio_wb16(pb, 0); /* maxPDUsize */
2747 avio_wb16(pb, 0); /* avgPDUsize */
2748 avio_wb32(pb, 0); /* maxbitrate */
2749 avio_wb32(pb, 0); /* avgbitrate */
2750 avio_wb32(pb, 0); /* reserved */
2754 static int mov_write_minf_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2756 int64_t pos = avio_tell(pb);
2759 avio_wb32(pb, 0); /* size */
2760 ffio_wfourcc(pb, "minf");
2761 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO)
2762 mov_write_vmhd_tag(pb);
2763 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2764 mov_write_smhd_tag(pb);
2765 else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2766 if (track->tag == MKTAG('t','e','x','t') || is_clcp_track(track)) {
2767 mov_write_gmhd_tag(pb, track);
2769 mov_write_nmhd_tag(pb);
2771 } else if (track->tag == MKTAG('r','t','p',' ')) {
2772 mov_write_hmhd_tag(pb);
2773 } else if (track->tag == MKTAG('t','m','c','d')) {
2774 if (track->mode != MODE_MOV)
2775 mov_write_nmhd_tag(pb);
2777 mov_write_gmhd_tag(pb, track);
2778 } else if (track->tag == MKTAG('g','p','m','d')) {
2779 mov_write_gmhd_tag(pb, track);
2781 if (track->mode == MODE_MOV) /* ISO 14496-12 8.4.3.1 specifies hdlr only within mdia or meta boxes */
2782 mov_write_hdlr_tag(s, pb, NULL);
2783 mov_write_dinf_tag(pb);
2784 if ((ret = mov_write_stbl_tag(s, pb, mov, track)) < 0)
2786 return update_size(pb, pos);
2789 static int64_t calc_pts_duration(MOVMuxContext *mov, MOVTrack *track)
2791 if (track->tag == MKTAG('t','m','c','d')) {
2792 // tmcd tracks gets track_duration set in mov_write_moov_tag from
2793 // another track's duration, while the end_pts may be left at zero.
2794 // Calculate the pts duration for that track instead.
2795 return av_rescale(calc_pts_duration(mov, &mov->tracks[track->src_track]),
2796 track->timescale, mov->tracks[track->src_track].timescale);
2798 if (track->end_pts != AV_NOPTS_VALUE &&
2799 track->start_dts != AV_NOPTS_VALUE &&
2800 track->start_cts != AV_NOPTS_VALUE) {
2801 return track->end_pts - (track->start_dts + track->start_cts);
2803 return track->track_duration;
2806 static int mov_write_mdhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2809 int64_t duration = calc_pts_duration(mov, track);
2810 int version = duration < INT32_MAX ? 0 : 1;
2812 if (track->mode == MODE_ISM)
2815 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
2816 ffio_wfourcc(pb, "mdhd");
2817 avio_w8(pb, version);
2818 avio_wb24(pb, 0); /* flags */
2820 avio_wb64(pb, track->time);
2821 avio_wb64(pb, track->time);
2823 avio_wb32(pb, track->time); /* creation time */
2824 avio_wb32(pb, track->time); /* modification time */
2826 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
2827 if (!track->entry && mov->mode == MODE_ISM)
2828 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2829 else if (!track->entry)
2830 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2832 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration); /* duration */
2833 avio_wb16(pb, track->language); /* language */
2834 avio_wb16(pb, 0); /* reserved (quality) */
2836 if (version != 0 && track->mode == MODE_MOV) {
2837 av_log(NULL, AV_LOG_ERROR,
2838 "FATAL error, file duration too long for timebase, this file will not be\n"
2839 "playable with QuickTime. Choose a different timebase with "
2840 "-video_track_timescale or a different container format\n");
2846 static int mov_write_mdia_tag(AVFormatContext *s, AVIOContext *pb,
2847 MOVMuxContext *mov, MOVTrack *track)
2849 int64_t pos = avio_tell(pb);
2852 avio_wb32(pb, 0); /* size */
2853 ffio_wfourcc(pb, "mdia");
2854 mov_write_mdhd_tag(pb, mov, track);
2855 mov_write_hdlr_tag(s, pb, track);
2856 if ((ret = mov_write_minf_tag(s, pb, mov, track)) < 0)
2858 return update_size(pb, pos);
2861 /* transformation matrix
2865 static void write_matrix(AVIOContext *pb, int16_t a, int16_t b, int16_t c,
2866 int16_t d, int16_t tx, int16_t ty)
2868 avio_wb32(pb, a << 16); /* 16.16 format */
2869 avio_wb32(pb, b << 16); /* 16.16 format */
2870 avio_wb32(pb, 0); /* u in 2.30 format */
2871 avio_wb32(pb, c << 16); /* 16.16 format */
2872 avio_wb32(pb, d << 16); /* 16.16 format */
2873 avio_wb32(pb, 0); /* v in 2.30 format */
2874 avio_wb32(pb, tx << 16); /* 16.16 format */
2875 avio_wb32(pb, ty << 16); /* 16.16 format */
2876 avio_wb32(pb, 1 << 30); /* w in 2.30 format */
2879 static int mov_write_tkhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2880 MOVTrack *track, AVStream *st)
2882 int64_t duration = av_rescale_rnd(calc_pts_duration(mov, track),
2883 MOV_TIMESCALE, track->timescale,
2885 int version = duration < INT32_MAX ? 0 : 1;
2886 int flags = MOV_TKHD_FLAG_IN_MOVIE;
2890 uint32_t *display_matrix = NULL;
2891 int display_matrix_size, i;
2894 if (mov->per_stream_grouping)
2897 group = st->codecpar->codec_type;
2899 display_matrix = (uint32_t*)av_stream_get_side_data(st, AV_PKT_DATA_DISPLAYMATRIX,
2900 &display_matrix_size);
2901 if (display_matrix && display_matrix_size < 9 * sizeof(*display_matrix))
2902 display_matrix = NULL;
2905 if (track->flags & MOV_TRACK_ENABLED)
2906 flags |= MOV_TKHD_FLAG_ENABLED;
2908 if (track->mode == MODE_ISM)
2911 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
2912 ffio_wfourcc(pb, "tkhd");
2913 avio_w8(pb, version);
2914 avio_wb24(pb, flags);
2916 avio_wb64(pb, track->time);
2917 avio_wb64(pb, track->time);
2919 avio_wb32(pb, track->time); /* creation time */
2920 avio_wb32(pb, track->time); /* modification time */
2922 avio_wb32(pb, track->track_id); /* track-id */
2923 avio_wb32(pb, 0); /* reserved */
2924 if (!track->entry && mov->mode == MODE_ISM)
2925 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2926 else if (!track->entry)
2927 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2929 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
2931 avio_wb32(pb, 0); /* reserved */
2932 avio_wb32(pb, 0); /* reserved */
2933 avio_wb16(pb, 0); /* layer */
2934 avio_wb16(pb, group); /* alternate group) */
2935 /* Volume, only for audio */
2936 if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2937 avio_wb16(pb, 0x0100);
2940 avio_wb16(pb, 0); /* reserved */
2942 /* Matrix structure */
2943 #if FF_API_OLD_ROTATE_API
2944 if (st && st->metadata) {
2945 AVDictionaryEntry *rot = av_dict_get(st->metadata, "rotate", NULL, 0);
2946 rotation = (rot && rot->value) ? atoi(rot->value) : 0;
2949 if (display_matrix) {
2950 for (i = 0; i < 9; i++)
2951 avio_wb32(pb, display_matrix[i]);
2952 #if FF_API_OLD_ROTATE_API
2953 } else if (rotation == 90) {
2954 write_matrix(pb, 0, 1, -1, 0, track->par->height, 0);
2955 } else if (rotation == 180) {
2956 write_matrix(pb, -1, 0, 0, -1, track->par->width, track->par->height);
2957 } else if (rotation == 270) {
2958 write_matrix(pb, 0, -1, 1, 0, 0, track->par->width);
2961 write_matrix(pb, 1, 0, 0, 1, 0, 0);
2963 /* Track width and height, for visual only */
2964 if (st && (track->par->codec_type == AVMEDIA_TYPE_VIDEO ||
2965 track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
2966 int64_t track_width_1616;
2967 if (track->mode == MODE_MOV) {
2968 track_width_1616 = track->par->width * 0x10000ULL;
2970 track_width_1616 = av_rescale(st->sample_aspect_ratio.num,
2971 track->par->width * 0x10000LL,
2972 st->sample_aspect_ratio.den);
2973 if (!track_width_1616 ||
2974 track->height != track->par->height ||
2975 track_width_1616 > UINT32_MAX)
2976 track_width_1616 = track->par->width * 0x10000ULL;
2978 if (track_width_1616 > UINT32_MAX) {
2979 av_log(mov->fc, AV_LOG_WARNING, "track width is too large\n");
2980 track_width_1616 = 0;
2982 avio_wb32(pb, track_width_1616);
2983 if (track->height > 0xFFFF) {
2984 av_log(mov->fc, AV_LOG_WARNING, "track height is too large\n");
2987 avio_wb32(pb, track->height * 0x10000U);
2995 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
2997 int32_t width = av_rescale(track->par->sample_aspect_ratio.num, track->par->width,
2998 track->par->sample_aspect_ratio.den);
3000 int64_t pos = avio_tell(pb);
3002 avio_wb32(pb, 0); /* size */
3003 ffio_wfourcc(pb, "tapt");
3006 ffio_wfourcc(pb, "clef");
3008 avio_wb32(pb, width << 16);
3009 avio_wb32(pb, track->par->height << 16);
3012 ffio_wfourcc(pb, "prof");
3014 avio_wb32(pb, width << 16);
3015 avio_wb32(pb, track->par->height << 16);
3018 ffio_wfourcc(pb, "enof");
3020 avio_wb32(pb, track->par->width << 16);
3021 avio_wb32(pb, track->par->height << 16);
3023 return update_size(pb, pos);
3026 // This box seems important for the psp playback ... without it the movie seems to hang
3027 static int mov_write_edts_tag(AVIOContext *pb, MOVMuxContext *mov,
3030 int64_t duration = av_rescale_rnd(calc_pts_duration(mov, track),
3031 MOV_TIMESCALE, track->timescale,
3033 int version = duration < INT32_MAX ? 0 : 1;
3034 int entry_size, entry_count, size;
3035 int64_t delay, start_ct = track->start_cts;
3036 int64_t start_dts = track->start_dts;
3039 if (start_dts != track->cluster[0].dts || start_ct != track->cluster[0].cts) {
3041 av_log(mov->fc, AV_LOG_DEBUG,
3042 "EDTS using dts:%"PRId64" cts:%d instead of dts:%"PRId64" cts:%"PRId64" tid:%d\n",
3043 track->cluster[0].dts, track->cluster[0].cts,
3044 start_dts, start_ct, track->track_id);
3045 start_dts = track->cluster[0].dts;
3046 start_ct = track->cluster[0].cts;
3050 delay = av_rescale_rnd(start_dts + start_ct, MOV_TIMESCALE,
3051 track->timescale, AV_ROUND_DOWN);
3052 version |= delay < INT32_MAX ? 0 : 1;
3054 entry_size = (version == 1) ? 20 : 12;
3055 entry_count = 1 + (delay > 0);
3056 size = 24 + entry_count * entry_size;
3058 /* write the atom data */
3059 avio_wb32(pb, size);
3060 ffio_wfourcc(pb, "edts");
3061 avio_wb32(pb, size - 8);
3062 ffio_wfourcc(pb, "elst");
3063 avio_w8(pb, version);
3064 avio_wb24(pb, 0); /* flags */
3066 avio_wb32(pb, entry_count);
3067 if (delay > 0) { /* add an empty edit to delay presentation */
3068 /* In the positive delay case, the delay includes the cts
3069 * offset, and the second edit list entry below trims out
3070 * the same amount from the actual content. This makes sure
3071 * that the offset last sample is included in the edit
3072 * list duration as well. */
3074 avio_wb64(pb, delay);
3077 avio_wb32(pb, delay);
3080 avio_wb32(pb, 0x00010000);
3082 /* Avoid accidentally ending up with start_ct = -1 which has got a
3083 * special meaning. Normally start_ct should end up positive or zero
3084 * here, but use FFMIN in case dts is a small positive integer
3085 * rounded to 0 when represented in MOV_TIMESCALE units. */
3086 av_assert0(av_rescale_rnd(start_dts, MOV_TIMESCALE, track->timescale, AV_ROUND_DOWN) <= 0);
3087 start_ct = -FFMIN(start_dts, 0);
3088 /* Note, this delay is calculated from the pts of the first sample,
3089 * ensuring that we don't reduce the duration for cases with
3094 /* For fragmented files, we don't know the full length yet. Setting
3095 * duration to 0 allows us to only specify the offset, including
3096 * the rest of the content (from all future fragments) without specifying
3097 * an explicit duration. */
3098 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
3103 avio_wb64(pb, duration);
3104 avio_wb64(pb, start_ct);
3106 avio_wb32(pb, duration);
3107 avio_wb32(pb, start_ct);
3109 avio_wb32(pb, 0x00010000);
3113 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
3115 avio_wb32(pb, 20); // size
3116 ffio_wfourcc(pb, "tref");
3117 avio_wb32(pb, 12); // size (subatom)
3118 avio_wl32(pb, track->tref_tag);
3119 avio_wb32(pb, track->tref_id);
3123 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
3124 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
3126 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
3127 ffio_wfourcc(pb, "uuid");
3128 ffio_wfourcc(pb, "USMT");
3129 avio_wb32(pb, 0x21d24fce);
3130 avio_wb32(pb, 0xbb88695c);
3131 avio_wb32(pb, 0xfac9c740);
3132 avio_wb32(pb, 0x1c); // another size here!
3133 ffio_wfourcc(pb, "MTDT");
3134 avio_wb32(pb, 0x00010012);
3135 avio_wb32(pb, 0x0a);
3136 avio_wb32(pb, 0x55c40000);
3142 static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
3144 AVFormatContext *ctx = track->rtp_ctx;
3145 char buf[1000] = "";
3148 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
3149 NULL, NULL, 0, 0, ctx);
3150 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
3153 avio_wb32(pb, len + 24);
3154 ffio_wfourcc(pb, "udta");
3155 avio_wb32(pb, len + 16);
3156 ffio_wfourcc(pb, "hnti");
3157 avio_wb32(pb, len + 8);
3158 ffio_wfourcc(pb, "sdp ");
3159 avio_write(pb, buf, len);
3163 static int mov_write_track_metadata(AVIOContext *pb, AVStream *st,
3164 const char *tag, const char *str)
3166 int64_t pos = avio_tell(pb);
3167 AVDictionaryEntry *t = av_dict_get(st->metadata, str, NULL, 0);
3168 if (!t || !utf8len(t->value))
3171 avio_wb32(pb, 0); /* size */
3172 ffio_wfourcc(pb, tag); /* type */
3173 avio_write(pb, t->value, strlen(t->value)); /* UTF8 string value */
3174 return update_size(pb, pos);
3177 static int mov_write_track_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
3180 AVIOContext *pb_buf;
3187 ret = avio_open_dyn_buf(&pb_buf);
3191 if (mov->mode & (MODE_MP4|MODE_MOV))
3192 mov_write_track_metadata(pb_buf, st, "name", "title");
3194 if ((size = avio_get_dyn_buf(pb_buf, &buf)) > 0) {
3195 avio_wb32(pb, size + 8);
3196 ffio_wfourcc(pb, "udta");
3197 avio_write(pb, buf, size);
3199 ffio_free_dyn_buf(&pb_buf);
3204 static int mov_write_trak_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov,
3205 MOVTrack *track, AVStream *st)
3207 int64_t pos = avio_tell(pb);
3208 int entry_backup = track->entry;
3209 int chunk_backup = track->chunkCount;
3212 /* If we want to have an empty moov, but some samples already have been
3213 * buffered (delay_moov), pretend that no samples have been written yet. */
3214 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV)
3215 track->chunkCount = track->entry = 0;
3217 avio_wb32(pb, 0); /* size */
3218 ffio_wfourcc(pb, "trak");
3219 mov_write_tkhd_tag(pb, mov, track, st);
3221 av_assert2(mov->use_editlist >= 0);
3223 if (track->start_dts != AV_NOPTS_VALUE) {
3224 if (mov->use_editlist)
3225 mov_write_edts_tag(pb, mov, track); // PSP Movies and several other cases require edts box
3226 else if ((track->entry && track->cluster[0].dts) || track->mode == MODE_PSP || is_clcp_track(track))
3227 av_log(mov->fc, AV_LOG_WARNING,
3228 "Not writing any edit list even though one would have been required\n");
3231 if (track->tref_tag)
3232 mov_write_tref_tag(pb, track);
3234 if ((ret = mov_write_mdia_tag(s, pb, mov, track)) < 0)
3236 if (track->mode == MODE_PSP)
3237 mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box
3238 if (track->tag == MKTAG('r','t','p',' '))
3239 mov_write_udta_sdp(pb, track);
3240 if (track->mode == MODE_MOV) {
3241 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
3242 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
3243 if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio) {
3244 mov_write_tapt_tag(pb, track);
3247 if (is_clcp_track(track) && st->sample_aspect_ratio.num) {
3248 mov_write_tapt_tag(pb, track);
3251 mov_write_track_udta_tag(pb, mov, st);
3252 track->entry = entry_backup;
3253 track->chunkCount = chunk_backup;
3254 return update_size(pb, pos);
3257 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
3259 int i, has_audio = 0, has_video = 0;
3260 int64_t pos = avio_tell(pb);
3261 int audio_profile = mov->iods_audio_profile;
3262 int video_profile = mov->iods_video_profile;
3263 for (i = 0; i < mov->nb_streams; i++) {
3264 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3265 has_audio |= mov->tracks[i].par->codec_type == AVMEDIA_TYPE_AUDIO;
3266 has_video |= mov->tracks[i].par->codec_type == AVMEDIA_TYPE_VIDEO;
3269 if (audio_profile < 0)
3270 audio_profile = 0xFF - has_audio;
3271 if (video_profile < 0)
3272 video_profile = 0xFF - has_video;
3273 avio_wb32(pb, 0x0); /* size */
3274 ffio_wfourcc(pb, "iods");
3275 avio_wb32(pb, 0); /* version & flags */
3276 put_descr(pb, 0x10, 7);
3277 avio_wb16(pb, 0x004f);
3280 avio_w8(pb, audio_profile);
3281 avio_w8(pb, video_profile);
3283 return update_size(pb, pos);
3286 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
3288 avio_wb32(pb, 0x20); /* size */
3289 ffio_wfourcc(pb, "trex");
3290 avio_wb32(pb, 0); /* version & flags */
3291 avio_wb32(pb, track->track_id); /* track ID */
3292 avio_wb32(pb, 1); /* default sample description index */
3293 avio_wb32(pb, 0); /* default sample duration */
3294 avio_wb32(pb, 0); /* default sample size */
3295 avio_wb32(pb, 0); /* default sample flags */
3299 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
3301 int64_t pos = avio_tell(pb);
3303 avio_wb32(pb, 0x0); /* size */
3304 ffio_wfourcc(pb, "mvex");
3305 for (i = 0; i < mov->nb_streams; i++)
3306 mov_write_trex_tag(pb, &mov->tracks[i]);
3307 return update_size(pb, pos);
3310 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
3312 int max_track_id = 1, i;
3313 int64_t max_track_len = 0;
3316 for (i = 0; i < mov->nb_streams; i++) {
3317 if (mov->tracks[i].entry > 0 && mov->tracks[i].timescale) {
3318 int64_t max_track_len_temp = av_rescale_rnd(
3319 calc_pts_duration(mov, &mov->tracks[i]),
3321 mov->tracks[i].timescale,
3323 if (max_track_len < max_track_len_temp)
3324 max_track_len = max_track_len_temp;
3325 if (max_track_id < mov->tracks[i].track_id)
3326 max_track_id = mov->tracks[i].track_id;
3329 /* If using delay_moov, make sure the output is the same as if no
3330 * samples had been written yet. */
3331 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3336 version = max_track_len < UINT32_MAX ? 0 : 1;
3337 avio_wb32(pb, version == 1 ? 120 : 108); /* size */
3339 ffio_wfourcc(pb, "mvhd");
3340 avio_w8(pb, version);
3341 avio_wb24(pb, 0); /* flags */
3343 avio_wb64(pb, mov->time);
3344 avio_wb64(pb, mov->time);
3346 avio_wb32(pb, mov->time); /* creation time */
3347 avio_wb32(pb, mov->time); /* modification time */
3349 avio_wb32(pb, MOV_TIMESCALE);
3350 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
3352 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
3353 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
3354 avio_wb16(pb, 0); /* reserved */
3355 avio_wb32(pb, 0); /* reserved */
3356 avio_wb32(pb, 0); /* reserved */
3358 /* Matrix structure */
3359 write_matrix(pb, 1, 0, 0, 1, 0, 0);
3361 avio_wb32(pb, 0); /* reserved (preview time) */
3362 avio_wb32(pb, 0); /* reserved (preview duration) */
3363 avio_wb32(pb, 0); /* reserved (poster time) */
3364 avio_wb32(pb, 0); /* reserved (selection time) */
3365 avio_wb32(pb, 0); /* reserved (selection duration) */
3366 avio_wb32(pb, 0); /* reserved (current time) */
3367 avio_wb32(pb, max_track_id + 1); /* Next track id */
3371 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
3374 avio_wb32(pb, 33); /* size */
3375 ffio_wfourcc(pb, "hdlr");
3378 ffio_wfourcc(pb, "mdir");
3379 ffio_wfourcc(pb, "appl");
3386 /* helper function to write a data tag with the specified string as data */
3387 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
3390 int size = 16 + strlen(data);
3391 avio_wb32(pb, size); /* size */
3392 ffio_wfourcc(pb, "data");
3395 avio_write(pb, data, strlen(data));
3399 lang = ff_mov_iso639_to_lang("und", 1);
3400 avio_wb16(pb, strlen(data)); /* string length */
3401 avio_wb16(pb, lang);
3402 avio_write(pb, data, strlen(data));
3403 return strlen(data) + 4;
3407 static int mov_write_string_tag(AVIOContext *pb, const char *name,
3408 const char *value, int lang, int long_style)
3411 if (value && value[0]) {
3412 int64_t pos = avio_tell(pb);
3413 avio_wb32(pb, 0); /* size */
3414 ffio_wfourcc(pb, name);
3415 mov_write_string_data_tag(pb, value, lang, long_style);
3416 size = update_size(pb, pos);
3421 static AVDictionaryEntry *get_metadata_lang(AVFormatContext *s,
3422 const char *tag, int *lang)
3425 AVDictionaryEntry *t, *t2 = NULL;
3430 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
3433 len = strlen(t->key);
3434 snprintf(tag2, sizeof(tag2), "%s-", tag);
3435 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
3436 len2 = strlen(t2->key);
3437 if (len2 == len + 4 && !strcmp(t->value, t2->value)
3438 && (l = ff_mov_iso639_to_lang(&t2->key[len2 - 3], 1)) >= 0) {
3446 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
3447 const char *name, const char *tag,
3451 AVDictionaryEntry *t = get_metadata_lang(s, tag, &lang);
3454 return mov_write_string_tag(pb, name, t->value, lang, long_style);
3457 /* iTunes bpm number */
3458 static int mov_write_tmpo_tag(AVIOContext *pb, AVFormatContext *s)
3460 AVDictionaryEntry *t = av_dict_get(s->metadata, "tmpo", NULL, 0);
3461 int size = 0, tmpo = t ? atoi(t->value) : 0;
3464 avio_wb32(pb, size);
3465 ffio_wfourcc(pb, "tmpo");
3466 avio_wb32(pb, size-8); /* size */
3467 ffio_wfourcc(pb, "data");
3468 avio_wb32(pb, 0x15); //type specifier
3470 avio_wb16(pb, tmpo); // data
3475 /* 3GPP TS 26.244 */
3476 static int mov_write_loci_tag(AVFormatContext *s, AVIOContext *pb)
3479 int64_t pos = avio_tell(pb);
3480 double latitude, longitude, altitude;
3481 int32_t latitude_fix, longitude_fix, altitude_fix;
3482 AVDictionaryEntry *t = get_metadata_lang(s, "location", &lang);
3483 const char *ptr, *place = "";
3485 static const char *astronomical_body = "earth";
3490 longitude = strtod(ptr, &end);
3492 av_log(s, AV_LOG_WARNING, "malformed location metadata\n");
3496 latitude = strtod(ptr, &end);
3498 av_log(s, AV_LOG_WARNING, "malformed location metadata\n");
3502 altitude = strtod(ptr, &end);
3503 /* If no altitude was present, the default 0 should be fine */
3507 latitude_fix = (int32_t) ((1 << 16) * latitude);
3508 longitude_fix = (int32_t) ((1 << 16) * longitude);
3509 altitude_fix = (int32_t) ((1 << 16) * altitude);
3511 avio_wb32(pb, 0); /* size */
3512 ffio_wfourcc(pb, "loci"); /* type */
3513 avio_wb32(pb, 0); /* version + flags */
3514 avio_wb16(pb, lang);
3515 avio_write(pb, place, strlen(place) + 1);
3516 avio_w8(pb, 0); /* role of place (0 == shooting location, 1 == real location, 2 == fictional location) */
3517 avio_wb32(pb, latitude_fix);
3518 avio_wb32(pb, longitude_fix);
3519 avio_wb32(pb, altitude_fix);
3520 avio_write(pb, astronomical_body, strlen(astronomical_body) + 1);
3521 avio_w8(pb, 0); /* additional notes, null terminated string */
3523 return update_size(pb, pos);
3526 /* iTunes track or disc number */
3527 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
3528 AVFormatContext *s, int disc)
3530 AVDictionaryEntry *t = av_dict_get(s->metadata,
3531 disc ? "disc" : "track",
3533 int size = 0, track = t ? atoi(t->value) : 0;
3536 char *slash = strchr(t->value, '/');
3538 tracks = atoi(slash + 1);
3539 avio_wb32(pb, 32); /* size */
3540 ffio_wfourcc(pb, disc ? "disk" : "trkn");
3541 avio_wb32(pb, 24); /* size */
3542 ffio_wfourcc(pb, "data");
3543 avio_wb32(pb, 0); // 8 bytes empty
3545 avio_wb16(pb, 0); // empty
3546 avio_wb16(pb, track); // track / disc number
3547 avio_wb16(pb, tracks); // total track / disc number
3548 avio_wb16(pb, 0); // empty
3554 static int mov_write_int8_metadata(AVFormatContext *s, AVIOContext *pb,
3555 const char *name, const char *tag,
3558 AVDictionaryEntry *t = NULL;
3560 int size = 24 + len;
3562 if (len != 1 && len != 4)
3565 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
3567 num = atoi(t->value);
3569 avio_wb32(pb, size);
3570 ffio_wfourcc(pb, name);
3571 avio_wb32(pb, size - 8);
3572 ffio_wfourcc(pb, "data");
3573 avio_wb32(pb, 0x15);
3575 if (len==4) avio_wb32(pb, num);
3576 else avio_w8 (pb, num);
3581 static int mov_write_covr(AVIOContext *pb, AVFormatContext *s)
3583 MOVMuxContext *mov = s->priv_data;
3587 for (i = 0; i < s->nb_streams; i++) {
3588 MOVTrack *trk = &mov->tracks[i];
3590 if (!is_cover_image(trk->st) || trk->cover_image.size <= 0)
3594 pos = avio_tell(pb);
3596 ffio_wfourcc(pb, "covr");
3598 avio_wb32(pb, 16 + trk->cover_image.size);
3599 ffio_wfourcc(pb, "data");
3600 avio_wb32(pb, trk->tag);
3602 avio_write(pb, trk->cover_image.data, trk->cover_image.size);
3605 return pos ? update_size(pb, pos) : 0;
3608 /* iTunes meta data list */
3609 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
3612 int64_t pos = avio_tell(pb);
3613 avio_wb32(pb, 0); /* size */
3614 ffio_wfourcc(pb, "ilst");
3615 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
3616 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
3617 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
3618 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
3619 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
3620 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
3621 if (!mov_write_string_metadata(s, pb, "\251too", "encoding_tool", 1)) {
3622 if (!(s->flags & AVFMT_FLAG_BITEXACT))
3623 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
3625 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
3626 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
3627 mov_write_string_metadata(s, pb, "cprt", "copyright", 1);
3628 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
3629 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
3630 mov_write_string_metadata(s, pb, "desc", "description",1);
3631 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
3632 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
3633 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
3634 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
3635 mov_write_string_metadata(s, pb, "keyw", "keywords" , 1);
3636 mov_write_int8_metadata (s, pb, "tves", "episode_sort",4);
3637 mov_write_int8_metadata (s, pb, "tvsn", "season_number",4);
3638 mov_write_int8_metadata (s, pb, "stik", "media_type",1);
3639 mov_write_int8_metadata (s, pb, "hdvd", "hd_video", 1);
3640 mov_write_int8_metadata (s, pb, "pgap", "gapless_playback",1);
3641 mov_write_int8_metadata (s, pb, "cpil", "compilation", 1);
3642 mov_write_covr(pb, s);
3643 mov_write_trkn_tag(pb, mov, s, 0); // track number
3644 mov_write_trkn_tag(pb, mov, s, 1); // disc number
3645 mov_write_tmpo_tag(pb, s);
3646 return update_size(pb, pos);
3649 static int mov_write_mdta_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
3652 avio_wb32(pb, 33); /* size */
3653 ffio_wfourcc(pb, "hdlr");
3656 ffio_wfourcc(pb, "mdta");
3664 static int mov_write_mdta_keys_tag(AVIOContext *pb, MOVMuxContext *mov,
3667 AVDictionaryEntry *t = NULL;
3668 int64_t pos = avio_tell(pb);
3669 int64_t curpos, entry_pos;
3672 avio_wb32(pb, 0); /* size */
3673 ffio_wfourcc(pb, "keys");
3675 entry_pos = avio_tell(pb);
3676 avio_wb32(pb, 0); /* entry count */
3678 while (t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX)) {
3679 avio_wb32(pb, strlen(t->key) + 8);
3680 ffio_wfourcc(pb, "mdta");
3681 avio_write(pb, t->key, strlen(t->key));
3684 curpos = avio_tell(pb);
3685 avio_seek(pb, entry_pos, SEEK_SET);
3686 avio_wb32(pb, count); // rewrite entry count
3687 avio_seek(pb, curpos, SEEK_SET);
3689 return update_size(pb, pos);
3692 static int mov_write_mdta_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
3695 AVDictionaryEntry *t = NULL;
3696 int64_t pos = avio_tell(pb);
3697 int count = 1; /* keys are 1-index based */
3699 avio_wb32(pb, 0); /* size */
3700 ffio_wfourcc(pb, "ilst");
3702 while (t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX)) {
3703 int64_t entry_pos = avio_tell(pb);
3704 avio_wb32(pb, 0); /* size */
3705 avio_wb32(pb, count); /* key */
3706 mov_write_string_data_tag(pb, t->value, 0, 1);
3707 update_size(pb, entry_pos);
3710 return update_size(pb, pos);
3713 /* meta data tags */
3714 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
3718 int64_t pos = avio_tell(pb);
3719 avio_wb32(pb, 0); /* size */
3720 ffio_wfourcc(pb, "meta");
3722 if (mov->flags & FF_MOV_FLAG_USE_MDTA) {
3723 mov_write_mdta_hdlr_tag(pb, mov, s);
3724 mov_write_mdta_keys_tag(pb, mov, s);
3725 mov_write_mdta_ilst_tag(pb, mov, s);
3728 /* iTunes metadata tag */
3729 mov_write_itunes_hdlr_tag(pb, mov, s);
3730 mov_write_ilst_tag(pb, mov, s);
3732 size = update_size(pb, pos);
3736 static int mov_write_raw_metadata_tag(AVFormatContext *s, AVIOContext *pb,
3737 const char *name, const char *key)
3740 AVDictionaryEntry *t;
3742 if (!(t = av_dict_get(s->metadata, key, NULL, 0)))
3745 len = strlen(t->value);
3748 avio_wb32(pb, size);
3749 ffio_wfourcc(pb, name);
3750 avio_write(pb, t->value, len);
3756 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
3760 GET_UTF8(val, *b++, return -1;)
3763 avio_wb16(pb, 0x00);
3767 static uint16_t language_code(const char *str)
3769 return (((str[0] - 0x60) & 0x1F) << 10) +
3770 (((str[1] - 0x60) & 0x1F) << 5) +
3771 (( str[2] - 0x60) & 0x1F);
3774 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
3775 const char *tag, const char *str)
3777 int64_t pos = avio_tell(pb);
3778 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
3779 if (!t || !utf8len(t->value))
3781 avio_wb32(pb, 0); /* size */
3782 ffio_wfourcc(pb, tag); /* type */
3783 avio_wb32(pb, 0); /* version + flags */
3784 if (!strcmp(tag, "yrrc"))
3785 avio_wb16(pb, atoi(t->value));
3787 avio_wb16(pb, language_code("eng")); /* language */
3788 avio_write(pb, t->value, strlen(t->value) + 1); /* UTF8 string value */
3789 if (!strcmp(tag, "albm") &&
3790 (t = av_dict_get(s->metadata, "track", NULL, 0)))
3791 avio_w8(pb, atoi(t->value));
3793 return update_size(pb, pos);
3796 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
3798 int64_t pos = avio_tell(pb);
3799 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
3801 avio_wb32(pb, 0); // size
3802 ffio_wfourcc(pb, "chpl");
3803 avio_wb32(pb, 0x01000000); // version + flags
3804 avio_wb32(pb, 0); // unknown
3805 avio_w8(pb, nb_chapters);
3807 for (i = 0; i < nb_chapters; i++) {
3808 AVChapter *c = s->chapters[i];
3809 AVDictionaryEntry *t;
3810 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
3812 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3813 int len = FFMIN(strlen(t->value), 255);
3815 avio_write(pb, t->value, len);
3819 return update_size(pb, pos);
3822 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
3825 AVIOContext *pb_buf;
3829 ret = avio_open_dyn_buf(&pb_buf);
3833 if (mov->mode & MODE_3GP) {
3834 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
3835 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
3836 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
3837 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
3838 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
3839 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
3840 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
3841 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
3842 mov_write_loci_tag(s, pb_buf);
3843 } 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
3844 mov_write_string_metadata(s, pb_buf, "\251ART", "artist", 0);
3845 mov_write_string_metadata(s, pb_buf, "\251nam", "title", 0);
3846 mov_write_string_metadata(s, pb_buf, "\251aut", "author", 0);
3847 mov_write_string_metadata(s, pb_buf, "\251alb", "album", 0);
3848 mov_write_string_metadata(s, pb_buf, "\251day", "date", 0);
3849 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder", 0);
3850 // currently ignored by mov.c
3851 mov_write_string_metadata(s, pb_buf, "\251des", "comment", 0);
3852 // add support for libquicktime, this atom is also actually read by mov.c
3853 mov_write_string_metadata(s, pb_buf, "\251cmt", "comment", 0);
3854 mov_write_string_metadata(s, pb_buf, "\251gen", "genre", 0);
3855 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright", 0);
3856 mov_write_string_metadata(s, pb_buf, "\251mak", "make", 0);
3857 mov_write_string_metadata(s, pb_buf, "\251mod", "model", 0);
3858 mov_write_string_metadata(s, pb_buf, "\251xyz", "location", 0);
3859 mov_write_string_metadata(s, pb_buf, "\251key", "keywords", 0);
3860 mov_write_raw_metadata_tag(s, pb_buf, "XMP_", "xmp");
3862 /* iTunes meta data */
3863 mov_write_meta_tag(pb_buf, mov, s);
3864 mov_write_loci_tag(s, pb_buf);
3867 if (s->nb_chapters && !(mov->flags & FF_MOV_FLAG_DISABLE_CHPL))
3868 mov_write_chpl_tag(pb_buf, s);
3870 if ((size = avio_get_dyn_buf(pb_buf, &buf)) > 0) {
3871 avio_wb32(pb, size + 8);
3872 ffio_wfourcc(pb, "udta");
3873 avio_write(pb, buf, size);
3875 ffio_free_dyn_buf(&pb_buf);
3880 static void mov_write_psp_udta_tag(AVIOContext *pb,
3881 const char *str, const char *lang, int type)
3883 int len = utf8len(str) + 1;
3886 avio_wb16(pb, len * 2 + 10); /* size */
3887 avio_wb32(pb, type); /* type */
3888 avio_wb16(pb, language_code(lang)); /* language */
3889 avio_wb16(pb, 0x01); /* ? */
3890 ascii_to_wc(pb, str);
3893 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
3895 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
3899 pos = avio_tell(pb);
3900 avio_wb32(pb, 0); /* size placeholder*/
3901 ffio_wfourcc(pb, "uuid");
3902 ffio_wfourcc(pb, "USMT");
3903 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
3904 avio_wb32(pb, 0xbb88695c);
3905 avio_wb32(pb, 0xfac9c740);
3907 pos2 = avio_tell(pb);
3908 avio_wb32(pb, 0); /* size placeholder*/
3909 ffio_wfourcc(pb, "MTDT");
3913 avio_wb16(pb, 0x0C); /* size */
3914 avio_wb32(pb, 0x0B); /* type */
3915 avio_wb16(pb, language_code("und")); /* language */
3916 avio_wb16(pb, 0x0); /* ? */
3917 avio_wb16(pb, 0x021C); /* data */
3919 if (!(s->flags & AVFMT_FLAG_BITEXACT))
3920 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
3921 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
3922 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
3924 update_size(pb, pos2);
3925 return update_size(pb, pos);
3931 static void build_chunks(MOVTrack *trk)
3934 MOVIentry *chunk = &trk->cluster[0];
3935 uint64_t chunkSize = chunk->size;
3936 chunk->chunkNum = 1;
3937 if (trk->chunkCount)
3939 trk->chunkCount = 1;
3940 for (i = 1; i<trk->entry; i++){
3941 if (chunk->pos + chunkSize == trk->cluster[i].pos &&
3942 chunkSize + trk->cluster[i].size < (1<<20)){
3943 chunkSize += trk->cluster[i].size;
3944 chunk->samples_in_chunk += trk->cluster[i].entries;
3946 trk->cluster[i].chunkNum = chunk->chunkNum+1;
3947 chunk=&trk->cluster[i];
3948 chunkSize = chunk->size;
3955 * Assign track ids. If option "use_stream_ids_as_track_ids" is set,
3956 * the stream ids are used as track ids.
3958 * This assumes mov->tracks and s->streams are in the same order and
3959 * there are no gaps in either of them (so mov->tracks[n] refers to
3962 * As an exception, there can be more entries in
3963 * s->streams than in mov->tracks, in which case new track ids are
3964 * generated (starting after the largest found stream id).
3966 static int mov_setup_track_ids(MOVMuxContext *mov, AVFormatContext *s)
3970 if (mov->track_ids_ok)
3973 if (mov->use_stream_ids_as_track_ids) {
3974 int next_generated_track_id = 0;
3975 for (i = 0; i < s->nb_streams; i++) {
3976 if (s->streams[i]->id > next_generated_track_id)
3977 next_generated_track_id = s->streams[i]->id;
3980 for (i = 0; i < mov->nb_streams; i++) {
3981 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
3984 mov->tracks[i].track_id = i >= s->nb_streams ? ++next_generated_track_id : s->streams[i]->id;
3987 for (i = 0; i < mov->nb_streams; i++) {
3988 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
3991 mov->tracks[i].track_id = i + 1;
3995 mov->track_ids_ok = 1;
4000 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
4004 int64_t pos = avio_tell(pb);
4005 avio_wb32(pb, 0); /* size placeholder*/
4006 ffio_wfourcc(pb, "moov");
4008 mov_setup_track_ids(mov, s);
4010 for (i = 0; i < mov->nb_streams; i++) {
4011 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
4014 mov->tracks[i].time = mov->time;
4016 if (mov->tracks[i].entry)
4017 build_chunks(&mov->tracks[i]);
4020 if (mov->chapter_track)
4021 for (i = 0; i < s->nb_streams; i++) {
4022 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
4023 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
4025 for (i = 0; i < mov->nb_streams; i++) {
4026 MOVTrack *track = &mov->tracks[i];
4027 if (track->tag == MKTAG('r','t','p',' ')) {
4028 track->tref_tag = MKTAG('h','i','n','t');
4029 track->tref_id = mov->tracks[track->src_track].track_id;
4030 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
4031 int * fallback, size;
4032 fallback = (int*)av_stream_get_side_data(track->st,
4033 AV_PKT_DATA_FALLBACK_TRACK,
4035 if (fallback != NULL && size == sizeof(int)) {
4036 if (*fallback >= 0 && *fallback < mov->nb_streams) {
4037 track->tref_tag = MKTAG('f','a','l','l');
4038 track->tref_id = mov->tracks[*fallback].track_id;
4043 for (i = 0; i < mov->nb_streams; i++) {
4044 if (mov->tracks[i].tag == MKTAG('t','m','c','d')) {
4045 int src_trk = mov->tracks[i].src_track;
4046 mov->tracks[src_trk].tref_tag = mov->tracks[i].tag;
4047 mov->tracks[src_trk].tref_id = mov->tracks[i].track_id;
4048 //src_trk may have a different timescale than the tmcd track
4049 mov->tracks[i].track_duration = av_rescale(mov->tracks[src_trk].track_duration,
4050 mov->tracks[i].timescale,
4051 mov->tracks[src_trk].timescale);
4055 mov_write_mvhd_tag(pb, mov);
4056 if (mov->mode != MODE_MOV && !mov->iods_skip)
4057 mov_write_iods_tag(pb, mov);
4058 for (i = 0; i < mov->nb_streams; i++) {
4059 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
4060 int ret = mov_write_trak_tag(s, pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
4065 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
4066 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
4068 if (mov->mode == MODE_PSP)
4069 mov_write_uuidusmt_tag(pb, s);
4071 mov_write_udta_tag(pb, mov, s);
4073 return update_size(pb, pos);
4076 static void param_write_int(AVIOContext *pb, const char *name, int value)
4078 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
4081 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
4083 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
4086 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
4089 len = FFMIN(sizeof(buf) / 2 - 1, len);
4090 ff_data_to_hex(buf, value, len, 0);
4091 buf[2 * len] = '\0';
4092 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
4095 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov, AVFormatContext *s)
4097 int64_t pos = avio_tell(pb);
4099 int64_t manifest_bit_rate = 0;
4100 AVCPBProperties *props = NULL;
4102 static const uint8_t uuid[] = {
4103 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
4104 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
4108 ffio_wfourcc(pb, "uuid");
4109 avio_write(pb, uuid, sizeof(uuid));
4112 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
4113 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
4114 avio_printf(pb, "<head>\n");
4115 if (!(mov->fc->flags & AVFMT_FLAG_BITEXACT))
4116 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
4118 avio_printf(pb, "</head>\n");
4119 avio_printf(pb, "<body>\n");
4120 avio_printf(pb, "<switch>\n");
4122 mov_setup_track_ids(mov, s);
4124 for (i = 0; i < mov->nb_streams; i++) {
4125 MOVTrack *track = &mov->tracks[i];
4127 int track_id = track->track_id;
4128 char track_name_buf[32] = { 0 };
4130 AVStream *st = track->st;
4131 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
4133 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO && !is_cover_image(st)) {
4135 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
4141 props = (AVCPBProperties*)av_stream_get_side_data(track->st, AV_PKT_DATA_CPB_PROPERTIES, NULL);
4143 if (track->par->bit_rate) {
4144 manifest_bit_rate = track->par->bit_rate;
4146 manifest_bit_rate = props->max_bitrate;
4149 avio_printf(pb, "<%s systemBitrate=\"%"PRId64"\">\n", type,
4151 param_write_int(pb, "systemBitrate", manifest_bit_rate);
4152 param_write_int(pb, "trackID", track_id);
4153 param_write_string(pb, "systemLanguage", lang ? lang->value : "und");
4155 /* Build track name piece by piece: */
4157 av_strlcat(track_name_buf, type, sizeof(track_name_buf));
4158 /* 2. track language, if available */
4160 av_strlcatf(track_name_buf, sizeof(track_name_buf),
4161 "_%s", lang->value);
4162 /* 3. special type suffix */
4163 /* "_cc" = closed captions, "_ad" = audio_description */
4164 if (st->disposition & AV_DISPOSITION_HEARING_IMPAIRED)
4165 av_strlcat(track_name_buf, "_cc", sizeof(track_name_buf));
4166 else if (st->disposition & AV_DISPOSITION_VISUAL_IMPAIRED)
4167 av_strlcat(track_name_buf, "_ad", sizeof(track_name_buf));
4169 param_write_string(pb, "trackName", track_name_buf);
4171 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
4172 if (track->par->codec_id == AV_CODEC_ID_H264) {
4174 int size = track->par->extradata_size;
4175 if (!ff_avc_write_annexb_extradata(track->par->extradata, &ptr,
4177 param_write_hex(pb, "CodecPrivateData",
4178 ptr ? ptr : track->par->extradata,
4182 param_write_string(pb, "FourCC", "H264");
4183 } else if (track->par->codec_id == AV_CODEC_ID_VC1) {
4184 param_write_string(pb, "FourCC", "WVC1");
4185 param_write_hex(pb, "CodecPrivateData", track->par->extradata,
4186 track->par->extradata_size);
4188 param_write_int(pb, "MaxWidth", track->par->width);
4189 param_write_int(pb, "MaxHeight", track->par->height);
4190 param_write_int(pb, "DisplayWidth", track->par->width);
4191 param_write_int(pb, "DisplayHeight", track->par->height);
4193 if (track->par->codec_id == AV_CODEC_ID_AAC) {
4194 switch (track->par->profile)
4196 case FF_PROFILE_AAC_HE_V2:
4197 param_write_string(pb, "FourCC", "AACP");
4199 case FF_PROFILE_AAC_HE:
4200 param_write_string(pb, "FourCC", "AACH");
4203 param_write_string(pb, "FourCC", "AACL");
4205 } else if (track->par->codec_id == AV_CODEC_ID_WMAPRO) {
4206 param_write_string(pb, "FourCC", "WMAP");
4208 param_write_hex(pb, "CodecPrivateData", track->par->extradata,
4209 track->par->extradata_size);
4210 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
4211 track->par->codec_id));
4212 param_write_int(pb, "Channels", track->par->channels);
4213 param_write_int(pb, "SamplingRate", track->par->sample_rate);
4214 param_write_int(pb, "BitsPerSample", 16);
4215 param_write_int(pb, "PacketSize", track->par->block_align ?
4216 track->par->block_align : 4);
4218 avio_printf(pb, "</%s>\n", type);
4220 avio_printf(pb, "</switch>\n");
4221 avio_printf(pb, "</body>\n");
4222 avio_printf(pb, "</smil>\n");
4224 return update_size(pb, pos);
4227 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
4230 ffio_wfourcc(pb, "mfhd");
4232 avio_wb32(pb, mov->fragments);
4236 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
4238 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
4239 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
4242 static int mov_write_tfhd_tag(AVIOContext *pb, MOVMuxContext *mov,
4243 MOVTrack *track, int64_t moof_offset)
4245 int64_t pos = avio_tell(pb);
4246 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
4247 MOV_TFHD_BASE_DATA_OFFSET;
4248 if (!track->entry) {
4249 flags |= MOV_TFHD_DURATION_IS_EMPTY;
4251 flags |= MOV_TFHD_DEFAULT_FLAGS;
4253 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET)
4254 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
4255 if (mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) {
4256 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
4257 flags |= MOV_TFHD_DEFAULT_BASE_IS_MOOF;
4259 /* CMAF requires all values to be explicit in tfhd atoms */
4260 if (mov->flags & FF_MOV_FLAG_CMAF)
4261 flags |= MOV_TFHD_STSD_ID;
4263 /* Don't set a default sample size, the silverlight player refuses
4264 * to play files with that set. Don't set a default sample duration,
4265 * WMP freaks out if it is set. Don't set a base data offset, PIFF
4266 * file format says it MUST NOT be set. */
4267 if (track->mode == MODE_ISM)
4268 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
4269 MOV_TFHD_BASE_DATA_OFFSET | MOV_TFHD_STSD_ID);
4271 avio_wb32(pb, 0); /* size placeholder */
4272 ffio_wfourcc(pb, "tfhd");
4273 avio_w8(pb, 0); /* version */
4274 avio_wb24(pb, flags);
4276 avio_wb32(pb, track->track_id); /* track-id */
4277 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
4278 avio_wb64(pb, moof_offset);
4279 if (flags & MOV_TFHD_STSD_ID) {
4282 if (flags & MOV_TFHD_DEFAULT_DURATION) {
4283 track->default_duration = get_cluster_duration(track, 0);
4284 avio_wb32(pb, track->default_duration);
4286 if (flags & MOV_TFHD_DEFAULT_SIZE) {
4287 track->default_size = track->entry ? track->cluster[0].size : 1;
4288 avio_wb32(pb, track->default_size);
4290 track->default_size = -1;
4292 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
4293 /* Set the default flags based on the second sample, if available.
4294 * If the first sample is different, that can be signaled via a separate field. */
4295 if (track->entry > 1)
4296 track->default_sample_flags = get_sample_flags(track, &track->cluster[1]);
4298 track->default_sample_flags =
4299 track->par->codec_type == AVMEDIA_TYPE_VIDEO ?
4300 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
4301 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
4302 avio_wb32(pb, track->default_sample_flags);
4305 return update_size(pb, pos);
4308 static int mov_write_trun_tag(AVIOContext *pb, MOVMuxContext *mov,
4309 MOVTrack *track, int moof_size,
4312 int64_t pos = avio_tell(pb);
4313 uint32_t flags = MOV_TRUN_DATA_OFFSET;
4316 for (i = first; i < end; i++) {
4317 if (get_cluster_duration(track, i) != track->default_duration)
4318 flags |= MOV_TRUN_SAMPLE_DURATION;
4319 if (track->cluster[i].size != track->default_size)
4320 flags |= MOV_TRUN_SAMPLE_SIZE;
4321 if (i > first && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
4322 flags |= MOV_TRUN_SAMPLE_FLAGS;
4324 if (!(flags & MOV_TRUN_SAMPLE_FLAGS) && track->entry > 0 &&
4325 get_sample_flags(track, &track->cluster[0]) != track->default_sample_flags)
4326 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
4327 if (track->flags & MOV_TRACK_CTTS)
4328 flags |= MOV_TRUN_SAMPLE_CTS;
4330 avio_wb32(pb, 0); /* size placeholder */
4331 ffio_wfourcc(pb, "trun");
4332 if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4333 avio_w8(pb, 1); /* version */
4335 avio_w8(pb, 0); /* version */
4336 avio_wb24(pb, flags);
4338 avio_wb32(pb, end - first); /* sample count */
4339 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
4340 !(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) &&
4342 avio_wb32(pb, 0); /* Later tracks follow immediately after the previous one */
4344 avio_wb32(pb, moof_size + 8 + track->data_offset +
4345 track->cluster[first].pos); /* data offset */
4346 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
4347 avio_wb32(pb, get_sample_flags(track, &track->cluster[first]));
4349 for (i = first; i < end; i++) {
4350 if (flags & MOV_TRUN_SAMPLE_DURATION)
4351 avio_wb32(pb, get_cluster_duration(track, i));
4352 if (flags & MOV_TRUN_SAMPLE_SIZE)
4353 avio_wb32(pb, track->cluster[i].size);
4354 if (flags & MOV_TRUN_SAMPLE_FLAGS)
4355 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
4356 if (flags & MOV_TRUN_SAMPLE_CTS)
4357 avio_wb32(pb, track->cluster[i].cts);
4360 mov->first_trun = 0;
4361 return update_size(pb, pos);
4364 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
4366 int64_t pos = avio_tell(pb);
4367 static const uint8_t uuid[] = {
4368 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
4369 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
4372 avio_wb32(pb, 0); /* size placeholder */
4373 ffio_wfourcc(pb, "uuid");
4374 avio_write(pb, uuid, sizeof(uuid));
4377 avio_wb64(pb, track->start_dts + track->frag_start +
4378 track->cluster[0].cts);
4379 avio_wb64(pb, track->end_pts -
4380 (track->cluster[0].dts + track->cluster[0].cts));
4382 return update_size(pb, pos);
4385 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
4386 MOVTrack *track, int entry)
4388 int n = track->nb_frag_info - 1 - entry, i;
4389 int size = 8 + 16 + 4 + 1 + 16*n;
4390 static const uint8_t uuid[] = {
4391 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
4392 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
4398 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
4399 avio_wb32(pb, size);
4400 ffio_wfourcc(pb, "uuid");
4401 avio_write(pb, uuid, sizeof(uuid));
4405 for (i = 0; i < n; i++) {
4406 int index = entry + 1 + i;
4407 avio_wb64(pb, track->frag_info[index].time);
4408 avio_wb64(pb, track->frag_info[index].duration);
4410 if (n < mov->ism_lookahead) {
4411 int free_size = 16 * (mov->ism_lookahead - n);
4412 avio_wb32(pb, free_size);
4413 ffio_wfourcc(pb, "free");
4414 ffio_fill(pb, 0, free_size - 8);
4420 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
4423 int64_t pos = avio_tell(pb);
4425 for (i = 0; i < mov->ism_lookahead; i++) {
4426 /* Update the tfrf tag for the last ism_lookahead fragments,
4427 * nb_frag_info - 1 is the next fragment to be written. */
4428 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
4430 avio_seek(pb, pos, SEEK_SET);
4434 static int mov_add_tfra_entries(AVIOContext *pb, MOVMuxContext *mov, int tracks,
4438 for (i = 0; i < mov->nb_streams; i++) {
4439 MOVTrack *track = &mov->tracks[i];
4440 MOVFragmentInfo *info;
4441 if ((tracks >= 0 && i != tracks) || !track->entry)
4443 track->nb_frag_info++;
4444 if (track->nb_frag_info >= track->frag_info_capacity) {
4445 unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT;
4446 if (av_reallocp_array(&track->frag_info,
4448 sizeof(*track->frag_info)))
4449 return AVERROR(ENOMEM);
4450 track->frag_info_capacity = new_capacity;
4452 info = &track->frag_info[track->nb_frag_info - 1];
4453 info->offset = avio_tell(pb);
4455 // Try to recreate the original pts for the first packet
4456 // from the fields we have stored
4457 info->time = track->start_dts + track->frag_start +
4458 track->cluster[0].cts;
4459 info->duration = track->end_pts -
4460 (track->cluster[0].dts + track->cluster[0].cts);
4461 // If the pts is less than zero, we will have trimmed
4462 // away parts of the media track using an edit list,
4463 // and the corresponding start presentation time is zero.
4464 if (info->time < 0) {
4465 info->duration += info->time;
4468 info->tfrf_offset = 0;
4469 mov_write_tfrf_tags(pb, mov, track);
4474 static void mov_prune_frag_info(MOVMuxContext *mov, int tracks, int max)
4477 for (i = 0; i < mov->nb_streams; i++) {
4478 MOVTrack *track = &mov->tracks[i];
4479 if ((tracks >= 0 && i != tracks) || !track->entry)
4481 if (track->nb_frag_info > max) {
4482 memmove(track->frag_info, track->frag_info + (track->nb_frag_info - max), max * sizeof(*track->frag_info));
4483 track->nb_frag_info = max;
4488 static int mov_write_tfdt_tag(AVIOContext *pb, MOVTrack *track)
4490 int64_t pos = avio_tell(pb);
4492 avio_wb32(pb, 0); /* size */
4493 ffio_wfourcc(pb, "tfdt");
4494 avio_w8(pb, 1); /* version */
4496 avio_wb64(pb, track->frag_start);
4497 return update_size(pb, pos);
4500 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
4501 MOVTrack *track, int64_t moof_offset,
4504 int64_t pos = avio_tell(pb);
4506 avio_wb32(pb, 0); /* size placeholder */
4507 ffio_wfourcc(pb, "traf");
4509 mov_write_tfhd_tag(pb, mov, track, moof_offset);
4510 if (mov->mode != MODE_ISM)
4511 mov_write_tfdt_tag(pb, track);
4512 for (i = 1; i < track->entry; i++) {
4513 if (track->cluster[i].pos != track->cluster[i - 1].pos + track->cluster[i - 1].size) {
4514 mov_write_trun_tag(pb, mov, track, moof_size, start, i);
4518 mov_write_trun_tag(pb, mov, track, moof_size, start, track->entry);
4519 if (mov->mode == MODE_ISM) {
4520 mov_write_tfxd_tag(pb, track);
4522 if (mov->ism_lookahead) {
4523 int i, size = 16 + 4 + 1 + 16 * mov->ism_lookahead;
4525 if (track->nb_frag_info > 0) {
4526 MOVFragmentInfo *info = &track->frag_info[track->nb_frag_info - 1];
4527 if (!info->tfrf_offset)
4528 info->tfrf_offset = avio_tell(pb);
4530 avio_wb32(pb, 8 + size);
4531 ffio_wfourcc(pb, "free");
4532 for (i = 0; i < size; i++)
4537 return update_size(pb, pos);
4540 static int mov_write_moof_tag_internal(AVIOContext *pb, MOVMuxContext *mov,
4541 int tracks, int moof_size)
4543 int64_t pos = avio_tell(pb);
4546 avio_wb32(pb, 0); /* size placeholder */
4547 ffio_wfourcc(pb, "moof");
4548 mov->first_trun = 1;
4550 mov_write_mfhd_tag(pb, mov);
4551 for (i = 0; i < mov->nb_streams; i++) {
4552 MOVTrack *track = &mov->tracks[i];
4553 if (tracks >= 0 && i != tracks)
4557 mov_write_traf_tag(pb, mov, track, pos, moof_size);
4560 return update_size(pb, pos);
4563 static int mov_write_sidx_tag(AVIOContext *pb,
4564 MOVTrack *track, int ref_size, int total_sidx_size)
4566 int64_t pos = avio_tell(pb), offset_pos, end_pos;
4567 int64_t presentation_time, duration, offset;
4568 unsigned starts_with_SAP;
4573 presentation_time = track->start_dts + track->frag_start +
4574 track->cluster[0].cts;
4575 duration = track->end_pts -
4576 (track->cluster[0].dts + track->cluster[0].cts);
4577 starts_with_SAP = track->cluster[0].flags & MOV_SYNC_SAMPLE;
4579 // pts<0 should be cut away using edts
4580 if (presentation_time < 0) {
4581 duration += presentation_time;
4582 presentation_time = 0;
4585 entries = track->nb_frag_info;
4588 presentation_time = track->frag_info[0].time;
4591 avio_wb32(pb, 0); /* size */
4592 ffio_wfourcc(pb, "sidx");
4593 avio_w8(pb, 1); /* version */
4595 avio_wb32(pb, track->track_id); /* reference_ID */
4596 avio_wb32(pb, track->timescale); /* timescale */
4597 avio_wb64(pb, presentation_time); /* earliest_presentation_time */
4598 offset_pos = avio_tell(pb);
4599 avio_wb64(pb, 0); /* first_offset (offset to referenced moof) */
4600 avio_wb16(pb, 0); /* reserved */
4602 avio_wb16(pb, entries); /* reference_count */
4603 for (i = 0; i < entries; i++) {
4604 if (!track->entry) {
4605 if (i > 1 && track->frag_info[i].offset != track->frag_info[i - 1].offset + track->frag_info[i - 1].size) {
4606 av_log(NULL, AV_LOG_ERROR, "Non-consecutive fragments, writing incorrect sidx\n");
4608 duration = track->frag_info[i].duration;
4609 ref_size = track->frag_info[i].size;
4610 starts_with_SAP = 1;
4612 avio_wb32(pb, (0 << 31) | (ref_size & 0x7fffffff)); /* reference_type (0 = media) | referenced_size */
4613 avio_wb32(pb, duration); /* subsegment_duration */
4614 avio_wb32(pb, (starts_with_SAP << 31) | (0 << 28) | 0); /* starts_with_SAP | SAP_type | SAP_delta_time */
4617 end_pos = avio_tell(pb);
4618 offset = pos + total_sidx_size - end_pos;
4619 avio_seek(pb, offset_pos, SEEK_SET);
4620 avio_wb64(pb, offset);
4621 avio_seek(pb, end_pos, SEEK_SET);
4622 return update_size(pb, pos);
4625 static int mov_write_sidx_tags(AVIOContext *pb, MOVMuxContext *mov,
4626 int tracks, int ref_size)
4629 AVIOContext *avio_buf;
4631 for (round = 0; round < 2; round++) {
4632 // First run one round to calculate the total size of all
4634 // This would be much simpler if we'd only write one sidx
4635 // atom, for the first track in the moof.
4637 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
4642 for (i = 0; i < mov->nb_streams; i++) {
4643 MOVTrack *track = &mov->tracks[i];
4644 if (tracks >= 0 && i != tracks)
4646 // When writing a sidx for the full file, entry is 0, but
4647 // we want to include all tracks. ref_size is 0 in this case,
4648 // since we read it from frag_info instead.
4649 if (!track->entry && ref_size > 0)
4651 total_size -= mov_write_sidx_tag(avio_buf, track, ref_size,
4655 total_size = ffio_close_null_buf(avio_buf);
4660 static int mov_write_prft_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
4662 int64_t pos = avio_tell(pb), pts_us, ntp_ts;
4663 MOVTrack *first_track;
4666 /* PRFT should be associated with at most one track. So, choosing only the
4670 first_track = &(mov->tracks[0]);
4672 if (!first_track->entry) {
4673 av_log(mov->fc, AV_LOG_WARNING, "Unable to write PRFT, no entries in the track\n");
4677 if (first_track->cluster[0].pts == AV_NOPTS_VALUE) {
4678 av_log(mov->fc, AV_LOG_WARNING, "Unable to write PRFT, first PTS is invalid\n");
4682 if (mov->write_prft == MOV_PRFT_SRC_WALLCLOCK) {
4683 if (first_track->cluster[0].prft.wallclock) {
4684 /* Round the NTP time to whole milliseconds. */
4685 ntp_ts = ff_get_formatted_ntp_time((first_track->cluster[0].prft.wallclock / 1000) * 1000 +
4687 flags = first_track->cluster[0].prft.flags;
4689 ntp_ts = ff_get_formatted_ntp_time(ff_ntp_time());
4690 } else if (mov->write_prft == MOV_PRFT_SRC_PTS) {
4691 pts_us = av_rescale_q(first_track->cluster[0].pts,
4692 first_track->st->time_base, AV_TIME_BASE_Q);
4693 ntp_ts = ff_get_formatted_ntp_time(pts_us + NTP_OFFSET_US);
4695 av_log(mov->fc, AV_LOG_WARNING, "Unsupported PRFT box configuration: %d\n",
4700 avio_wb32(pb, 0); // Size place holder
4701 ffio_wfourcc(pb, "prft"); // Type
4702 avio_w8(pb, 1); // Version
4703 avio_wb24(pb, flags); // Flags
4704 avio_wb32(pb, first_track->track_id); // reference track ID
4705 avio_wb64(pb, ntp_ts); // NTP time stamp
4706 avio_wb64(pb, first_track->cluster[0].pts); //media time
4707 return update_size(pb, pos);
4710 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks,
4713 AVIOContext *avio_buf;
4716 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
4718 mov_write_moof_tag_internal(avio_buf, mov, tracks, 0);
4719 moof_size = ffio_close_null_buf(avio_buf);
4721 if (mov->flags & FF_MOV_FLAG_DASH &&
4722 !(mov->flags & (FF_MOV_FLAG_GLOBAL_SIDX | FF_MOV_FLAG_SKIP_SIDX)))
4723 mov_write_sidx_tags(pb, mov, tracks, moof_size + 8 + mdat_size);
4725 if (mov->write_prft > MOV_PRFT_NONE && mov->write_prft < MOV_PRFT_NB)
4726 mov_write_prft_tag(pb, mov, tracks);
4728 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX ||
4729 !(mov->flags & FF_MOV_FLAG_SKIP_TRAILER) ||
4730 mov->ism_lookahead) {
4731 if ((ret = mov_add_tfra_entries(pb, mov, tracks, moof_size + 8 + mdat_size)) < 0)
4733 if (!(mov->flags & FF_MOV_FLAG_GLOBAL_SIDX) &&
4734 mov->flags & FF_MOV_FLAG_SKIP_TRAILER) {
4735 mov_prune_frag_info(mov, tracks, mov->ism_lookahead + 1);
4739 return mov_write_moof_tag_internal(pb, mov, tracks, moof_size);
4742 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
4744 int64_t pos = avio_tell(pb);
4747 avio_wb32(pb, 0); /* size placeholder */
4748 ffio_wfourcc(pb, "tfra");
4749 avio_w8(pb, 1); /* version */
4752 avio_wb32(pb, track->track_id);
4753 avio_wb32(pb, 0); /* length of traf/trun/sample num */
4754 avio_wb32(pb, track->nb_frag_info);
4755 for (i = 0; i < track->nb_frag_info; i++) {
4756 avio_wb64(pb, track->frag_info[i].time);
4757 avio_wb64(pb, track->frag_info[i].offset + track->data_offset);
4758 avio_w8(pb, 1); /* traf number */
4759 avio_w8(pb, 1); /* trun number */
4760 avio_w8(pb, 1); /* sample number */
4763 return update_size(pb, pos);
4766 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
4768 int64_t pos = avio_tell(pb);
4771 avio_wb32(pb, 0); /* size placeholder */
4772 ffio_wfourcc(pb, "mfra");
4773 /* An empty mfra atom is enough to indicate to the publishing point that
4774 * the stream has ended. */
4775 if (mov->flags & FF_MOV_FLAG_ISML)
4776 return update_size(pb, pos);
4778 for (i = 0; i < mov->nb_streams; i++) {
4779 MOVTrack *track = &mov->tracks[i];
4780 if (track->nb_frag_info)
4781 mov_write_tfra_tag(pb, track);
4785 ffio_wfourcc(pb, "mfro");
4786 avio_wb32(pb, 0); /* version + flags */
4787 avio_wb32(pb, avio_tell(pb) + 4 - pos);
4789 return update_size(pb, pos);
4792 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
4794 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
4795 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
4797 mov->mdat_pos = avio_tell(pb);
4798 avio_wb32(pb, 0); /* size placeholder*/
4799 ffio_wfourcc(pb, "mdat");
4803 static void mov_write_ftyp_tag_internal(AVIOContext *pb, AVFormatContext *s,
4804 int has_h264, int has_video, int write_minor)
4806 MOVMuxContext *mov = s->priv_data;
4809 if (mov->major_brand && strlen(mov->major_brand) >= 4)
4810 ffio_wfourcc(pb, mov->major_brand);
4811 else if (mov->mode == MODE_3GP) {
4812 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
4813 minor = has_h264 ? 0x100 : 0x200;
4814 } else if (mov->mode & MODE_3G2) {
4815 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
4816 minor = has_h264 ? 0x20000 : 0x10000;
4817 } else if (mov->mode == MODE_PSP)
4818 ffio_wfourcc(pb, "MSNV");
4819 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_FRAGMENT &&
4820 mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4821 ffio_wfourcc(pb, "iso6"); // Required when using signed CTS offsets in trun boxes
4822 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
4823 ffio_wfourcc(pb, "iso5"); // Required when using default-base-is-moof
4824 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4825 ffio_wfourcc(pb, "iso4");
4826 else if (mov->mode == MODE_MP4)
4827 ffio_wfourcc(pb, "isom");
4828 else if (mov->mode == MODE_IPOD)
4829 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
4830 else if (mov->mode == MODE_ISM)
4831 ffio_wfourcc(pb, "isml");
4832 else if (mov->mode == MODE_F4V)
4833 ffio_wfourcc(pb, "f4v ");
4835 ffio_wfourcc(pb, "qt ");
4838 avio_wb32(pb, minor);
4841 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
4843 MOVMuxContext *mov = s->priv_data;
4844 int64_t pos = avio_tell(pb);
4845 int has_h264 = 0, has_video = 0;
4848 for (i = 0; i < s->nb_streams; i++) {
4849 AVStream *st = s->streams[i];
4850 if (is_cover_image(st))
4852 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
4854 if (st->codecpar->codec_id == AV_CODEC_ID_H264)
4858 avio_wb32(pb, 0); /* size */
4859 ffio_wfourcc(pb, "ftyp");
4861 // Write major brand
4862 mov_write_ftyp_tag_internal(pb, s, has_h264, has_video, 1);
4863 // Write the major brand as the first compatible brand as well
4864 mov_write_ftyp_tag_internal(pb, s, has_h264, has_video, 0);
4866 // Write compatible brands, ensuring that we don't write the major brand as a
4867 // compatible brand a second time.
4868 if (mov->mode == MODE_ISM) {
4869 ffio_wfourcc(pb, "piff");
4870 } else if (mov->mode != MODE_MOV) {
4871 // We add tfdt atoms when fragmenting, signal this with the iso6 compatible
4872 // brand, if not already the major brand. This is compatible with users that
4873 // don't understand tfdt.
4874 if (mov->mode == MODE_MP4) {
4875 if (mov->flags & FF_MOV_FLAG_CMAF)
4876 ffio_wfourcc(pb, "cmfc");
4877 if (mov->flags & FF_MOV_FLAG_FRAGMENT && !(mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS))
4878 ffio_wfourcc(pb, "iso6");
4880 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
4881 ffio_wfourcc(pb, "iso6");
4882 if (mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
4883 ffio_wfourcc(pb, "iso5");
4884 else if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4885 ffio_wfourcc(pb, "iso4");
4887 // Brands prior to iso5 can't be signaled when using default-base-is-moof
4888 if (!(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)) {
4889 // write isom for mp4 only if it it's not the major brand already.
4890 if (mov->mode != MODE_MP4 || mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4891 ffio_wfourcc(pb, "isom");
4892 ffio_wfourcc(pb, "iso2");
4894 ffio_wfourcc(pb, "avc1");
4898 if (mov->mode == MODE_MP4)
4899 ffio_wfourcc(pb, "mp41");
4901 if (mov->flags & FF_MOV_FLAG_DASH && mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
4902 ffio_wfourcc(pb, "dash");
4904 return update_size(pb, pos);
4907 static int mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
4909 AVStream *video_st = s->streams[0];
4910 AVCodecParameters *video_par = s->streams[0]->codecpar;
4911 AVCodecParameters *audio_par = s->streams[1]->codecpar;
4912 int audio_rate = audio_par->sample_rate;
4913 int64_t frame_rate = video_st->avg_frame_rate.den ?
4914 (video_st->avg_frame_rate.num * 0x10000LL) / video_st->avg_frame_rate.den :
4916 int audio_kbitrate = audio_par->bit_rate / 1000;
4917 int video_kbitrate = FFMIN(video_par->bit_rate / 1000, 800 - audio_kbitrate);
4919 if (frame_rate < 0 || frame_rate > INT32_MAX) {
4920 av_log(s, AV_LOG_ERROR, "Frame rate %f outside supported range\n", frame_rate / (double)0x10000);
4921 return AVERROR(EINVAL);
4924 avio_wb32(pb, 0x94); /* size */
4925 ffio_wfourcc(pb, "uuid");
4926 ffio_wfourcc(pb, "PROF");
4928 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
4929 avio_wb32(pb, 0xbb88695c);
4930 avio_wb32(pb, 0xfac9c740);
4932 avio_wb32(pb, 0x0); /* ? */
4933 avio_wb32(pb, 0x3); /* 3 sections ? */
4935 avio_wb32(pb, 0x14); /* size */
4936 ffio_wfourcc(pb, "FPRF");
4937 avio_wb32(pb, 0x0); /* ? */
4938 avio_wb32(pb, 0x0); /* ? */
4939 avio_wb32(pb, 0x0); /* ? */
4941 avio_wb32(pb, 0x2c); /* size */
4942 ffio_wfourcc(pb, "APRF"); /* audio */
4944 avio_wb32(pb, 0x2); /* TrackID */
4945 ffio_wfourcc(pb, "mp4a");
4946 avio_wb32(pb, 0x20f);
4948 avio_wb32(pb, audio_kbitrate);
4949 avio_wb32(pb, audio_kbitrate);
4950 avio_wb32(pb, audio_rate);
4951 avio_wb32(pb, audio_par->channels);
4953 avio_wb32(pb, 0x34); /* size */
4954 ffio_wfourcc(pb, "VPRF"); /* video */
4956 avio_wb32(pb, 0x1); /* TrackID */
4957 if (video_par->codec_id == AV_CODEC_ID_H264) {
4958 ffio_wfourcc(pb, "avc1");
4959 avio_wb16(pb, 0x014D);
4960 avio_wb16(pb, 0x0015);
4962 ffio_wfourcc(pb, "mp4v");
4963 avio_wb16(pb, 0x0000);
4964 avio_wb16(pb, 0x0103);
4967 avio_wb32(pb, video_kbitrate);
4968 avio_wb32(pb, video_kbitrate);
4969 avio_wb32(pb, frame_rate);
4970 avio_wb32(pb, frame_rate);
4971 avio_wb16(pb, video_par->width);
4972 avio_wb16(pb, video_par->height);
4973 avio_wb32(pb, 0x010001); /* ? */
4978 static int mov_write_identification(AVIOContext *pb, AVFormatContext *s)
4980 MOVMuxContext *mov = s->priv_data;
4983 mov_write_ftyp_tag(pb,s);
4984 if (mov->mode == MODE_PSP) {
4985 int video_streams_nb = 0, audio_streams_nb = 0, other_streams_nb = 0;
4986 for (i = 0; i < s->nb_streams; i++) {
4987 AVStream *st = s->streams[i];
4988 if (is_cover_image(st))
4990 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
4992 else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
4998 if (video_streams_nb != 1 || audio_streams_nb != 1 || other_streams_nb) {
4999 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
5000 return AVERROR(EINVAL);
5002 return mov_write_uuidprof_tag(pb, s);
5007 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
5010 int i, closed_gop = 0;
5012 for (i = 0; i < pkt->size - 4; i++) {
5013 c = (c << 8) + pkt->data[i];
5014 if (c == 0x1b8) { // gop
5015 closed_gop = pkt->data[i + 4] >> 6 & 0x01;
5016 } else if (c == 0x100) { // pic
5017 int temp_ref = (pkt->data[i + 1] << 2) | (pkt->data[i + 2] >> 6);
5018 if (!temp_ref || closed_gop) // I picture is not reordered
5019 *flags = MOV_SYNC_SAMPLE;
5021 *flags = MOV_PARTIAL_SYNC_SAMPLE;
5028 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk)
5030 const uint8_t *start, *next, *end = pkt->data + pkt->size;
5031 int seq = 0, entry = 0;
5032 int key = pkt->flags & AV_PKT_FLAG_KEY;
5033 start = find_next_marker(pkt->data, end);
5034 for (next = start; next < end; start = next) {
5035 next = find_next_marker(start + 4, end);
5036 switch (AV_RB32(start)) {
5037 case VC1_CODE_SEQHDR:
5040 case VC1_CODE_ENTRYPOINT:
5043 case VC1_CODE_SLICE:
5044 trk->vc1_info.slices = 1;
5048 if (!trk->entry && trk->vc1_info.first_packet_seen)
5049 trk->vc1_info.first_frag_written = 1;
5050 if (!trk->entry && !trk->vc1_info.first_frag_written) {
5051 /* First packet in first fragment */
5052 trk->vc1_info.first_packet_seq = seq;
5053 trk->vc1_info.first_packet_entry = entry;
5054 trk->vc1_info.first_packet_seen = 1;
5055 } else if ((seq && !trk->vc1_info.packet_seq) ||
5056 (entry && !trk->vc1_info.packet_entry)) {
5058 for (i = 0; i < trk->entry; i++)
5059 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
5060 trk->has_keyframes = 0;
5062 trk->vc1_info.packet_seq = 1;
5064 trk->vc1_info.packet_entry = 1;
5065 if (!trk->vc1_info.first_frag_written) {
5066 /* First fragment */
5067 if ((!seq || trk->vc1_info.first_packet_seq) &&
5068 (!entry || trk->vc1_info.first_packet_entry)) {
5069 /* First packet had the same headers as this one, readd the
5070 * sync sample flag. */
5071 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
5072 trk->has_keyframes = 1;
5076 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
5078 else if (trk->vc1_info.packet_seq)
5080 else if (trk->vc1_info.packet_entry)
5083 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
5084 trk->has_keyframes++;
5088 static void mov_parse_truehd_frame(AVPacket *pkt, MOVTrack *trk)
5095 length = (AV_RB16(pkt->data) & 0xFFF) * 2;
5096 if (length < 8 || length > pkt->size)
5099 if (AV_RB32(pkt->data + 4) == 0xF8726FBA) {
5100 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
5101 trk->has_keyframes++;
5107 static int mov_flush_fragment_interleaving(AVFormatContext *s, MOVTrack *track)
5109 MOVMuxContext *mov = s->priv_data;
5114 if (!track->mdat_buf)
5116 if (!mov->mdat_buf) {
5117 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
5120 buf_size = avio_get_dyn_buf(track->mdat_buf, &buf);
5122 offset = avio_tell(mov->mdat_buf);
5123 avio_write(mov->mdat_buf, buf, buf_size);
5124 ffio_free_dyn_buf(&track->mdat_buf);
5126 for (i = track->entries_flushed; i < track->entry; i++)
5127 track->cluster[i].pos += offset;
5128 track->entries_flushed = track->entry;
5132 static int mov_flush_fragment(AVFormatContext *s, int force)
5134 MOVMuxContext *mov = s->priv_data;
5135 int i, first_track = -1;
5136 int64_t mdat_size = 0;
5138 int has_video = 0, starts_with_key = 0, first_video_track = 1;
5140 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
5143 // Try to fill in the duration of the last packet in each stream
5144 // from queued packets in the interleave queues. If the flushing
5145 // of fragments was triggered automatically by an AVPacket, we
5146 // already have reliable info for the end of that track, but other
5147 // tracks may need to be filled in.
5148 for (i = 0; i < s->nb_streams; i++) {
5149 MOVTrack *track = &mov->tracks[i];
5150 if (!track->end_reliable) {
5152 if (!ff_interleaved_peek(s, i, &pkt, 1)) {
5153 if (track->dts_shift != AV_NOPTS_VALUE)
5154 pkt.dts += track->dts_shift;
5155 track->track_duration = pkt.dts - track->start_dts;
5156 if (pkt.pts != AV_NOPTS_VALUE)
5157 track->end_pts = pkt.pts;
5159 track->end_pts = pkt.dts;
5164 for (i = 0; i < mov->nb_streams; i++) {
5165 MOVTrack *track = &mov->tracks[i];
5166 if (track->entry <= 1)
5168 // Sample durations are calculated as the diff of dts values,
5169 // but for the last sample in a fragment, we don't know the dts
5170 // of the first sample in the next fragment, so we have to rely
5171 // on what was set as duration in the AVPacket. Not all callers
5172 // set this though, so we might want to replace it with an
5173 // estimate if it currently is zero.
5174 if (get_cluster_duration(track, track->entry - 1) != 0)
5176 // Use the duration (i.e. dts diff) of the second last sample for
5177 // the last one. This is a wild guess (and fatal if it turns out
5178 // to be too long), but probably the best we can do - having a zero
5179 // duration is bad as well.
5180 track->track_duration += get_cluster_duration(track, track->entry - 2);
5181 track->end_pts += get_cluster_duration(track, track->entry - 2);
5182 if (!mov->missing_duration_warned) {
5183 av_log(s, AV_LOG_WARNING,
5184 "Estimating the duration of the last packet in a "
5185 "fragment, consider setting the duration field in "
5186 "AVPacket instead.\n");
5187 mov->missing_duration_warned = 1;
5191 if (!mov->moov_written) {
5192 int64_t pos = avio_tell(s->pb);
5194 int buf_size, moov_size;
5196 for (i = 0; i < mov->nb_streams; i++)
5197 if (!mov->tracks[i].entry && !is_cover_image(mov->tracks[i].st))
5199 /* Don't write the initial moov unless all tracks have data */
5200 if (i < mov->nb_streams && !force)
5203 moov_size = get_moov_size(s);
5204 for (i = 0; i < mov->nb_streams; i++)
5205 mov->tracks[i].data_offset = pos + moov_size + 8;
5207 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_HEADER);
5208 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
5209 mov_write_identification(s->pb, s);
5210 if ((ret = mov_write_moov_tag(s->pb, mov, s)) < 0)
5213 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV) {
5214 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
5215 mov->reserved_header_pos = avio_tell(s->pb);
5216 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
5217 mov->moov_written = 1;
5221 buf_size = avio_get_dyn_buf(mov->mdat_buf, &buf);
5222 avio_wb32(s->pb, buf_size + 8);
5223 ffio_wfourcc(s->pb, "mdat");
5224 avio_write(s->pb, buf, buf_size);
5225 ffio_free_dyn_buf(&mov->mdat_buf);
5227 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
5228 mov->reserved_header_pos = avio_tell(s->pb);
5230 mov->moov_written = 1;
5232 for (i = 0; i < mov->nb_streams; i++) {
5233 if (mov->tracks[i].entry)
5234 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
5235 mov->tracks[i].track_duration -
5236 mov->tracks[i].cluster[0].dts;
5237 mov->tracks[i].entry = 0;
5238 mov->tracks[i].end_reliable = 0;
5240 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
5244 if (mov->frag_interleave) {
5245 for (i = 0; i < mov->nb_streams; i++) {
5246 MOVTrack *track = &mov->tracks[i];
5248 if ((ret = mov_flush_fragment_interleaving(s, track)) < 0)
5254 mdat_size = avio_tell(mov->mdat_buf);
5257 for (i = 0; i < mov->nb_streams; i++) {
5258 MOVTrack *track = &mov->tracks[i];
5259 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF || mov->frag_interleave)
5260 track->data_offset = 0;
5262 track->data_offset = mdat_size;
5263 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
5265 if (first_video_track) {
5267 starts_with_key = track->cluster[0].flags & MOV_SYNC_SAMPLE;
5268 first_video_track = 0;
5273 if (track->mdat_buf)
5274 mdat_size += avio_tell(track->mdat_buf);
5275 if (first_track < 0)
5282 avio_write_marker(s->pb,
5283 av_rescale(mov->tracks[first_track].cluster[0].dts, AV_TIME_BASE, mov->tracks[first_track].timescale),
5284 (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);
5286 for (i = 0; i < mov->nb_streams; i++) {
5287 MOVTrack *track = &mov->tracks[i];
5288 int buf_size, write_moof = 1, moof_tracks = -1;
5290 int64_t duration = 0;
5293 duration = track->start_dts + track->track_duration -
5294 track->cluster[0].dts;
5295 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
5296 if (!track->mdat_buf)
5298 mdat_size = avio_tell(track->mdat_buf);
5301 write_moof = i == first_track;
5305 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
5307 mov_write_moof_tag(s->pb, mov, moof_tracks, mdat_size);
5310 avio_wb32(s->pb, mdat_size + 8);
5311 ffio_wfourcc(s->pb, "mdat");
5315 track->frag_start += duration;
5317 track->entries_flushed = 0;
5318 track->end_reliable = 0;
5319 if (!mov->frag_interleave) {
5320 if (!track->mdat_buf)
5322 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
5323 track->mdat_buf = NULL;
5327 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
5328 mov->mdat_buf = NULL;
5331 avio_write(s->pb, buf, buf_size);
5337 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
5341 static int mov_auto_flush_fragment(AVFormatContext *s, int force)
5343 MOVMuxContext *mov = s->priv_data;
5344 int had_moov = mov->moov_written;
5345 int ret = mov_flush_fragment(s, force);
5348 // If using delay_moov, the first flush only wrote the moov,
5349 // not the actual moof+mdat pair, thus flush once again.
5350 if (!had_moov && mov->flags & FF_MOV_FLAG_DELAY_MOOV)
5351 ret = mov_flush_fragment(s, force);
5355 static int check_pkt(AVFormatContext *s, AVPacket *pkt)
5357 MOVMuxContext *mov = s->priv_data;
5358 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5363 ref = trk->cluster[trk->entry - 1].dts;
5364 } else if ( trk->start_dts != AV_NOPTS_VALUE
5365 && !trk->frag_discont) {
5366 ref = trk->start_dts + trk->track_duration;
5368 ref = pkt->dts; // Skip tests for the first packet
5370 if (trk->dts_shift != AV_NOPTS_VALUE) {
5371 /* With negative CTS offsets we have set an offset to the DTS,
5372 * reverse this for the check. */
5373 ref -= trk->dts_shift;
5376 duration = pkt->dts - ref;
5377 if (pkt->dts < ref || duration >= INT_MAX) {
5378 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" / timestamp: %"PRId64" is out of range for mov/mp4 format\n",
5383 pkt->pts = AV_NOPTS_VALUE;
5386 if (pkt->duration < 0 || pkt->duration > INT_MAX) {
5387 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" is invalid\n", pkt->duration);
5388 return AVERROR(EINVAL);
5393 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
5395 MOVMuxContext *mov = s->priv_data;
5396 AVIOContext *pb = s->pb;
5397 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5398 AVCodecParameters *par = trk->par;
5399 AVProducerReferenceTime *prft;
5400 unsigned int samples_in_chunk = 0;
5401 int size = pkt->size, ret = 0, offset = 0;
5403 uint8_t *reformatted_data = NULL;
5405 ret = check_pkt(s, pkt);
5409 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
5411 if (mov->moov_written || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
5412 if (mov->frag_interleave && mov->fragments > 0) {
5413 if (trk->entry - trk->entries_flushed >= mov->frag_interleave) {
5414 if ((ret = mov_flush_fragment_interleaving(s, trk)) < 0)
5419 if (!trk->mdat_buf) {
5420 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
5425 if (!mov->mdat_buf) {
5426 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
5433 if (par->codec_id == AV_CODEC_ID_AMR_NB) {
5434 /* We must find out how many AMR blocks there are in one packet */
5435 static const uint16_t packed_size[16] =
5436 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
5439 while (len < size && samples_in_chunk < 100) {
5440 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
5443 if (samples_in_chunk > 1) {
5444 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
5447 } else if (par->codec_id == AV_CODEC_ID_ADPCM_MS ||
5448 par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
5449 samples_in_chunk = trk->par->frame_size;
5450 } else if (trk->sample_size)
5451 samples_in_chunk = size / trk->sample_size;
5453 samples_in_chunk = 1;
5455 if (samples_in_chunk < 1) {
5456 av_log(s, AV_LOG_ERROR, "fatal error, input packet contains no samples\n");
5457 return AVERROR_PATCHWELCOME;
5460 /* copy extradata if it exists */
5461 if (trk->vos_len == 0 && par->extradata_size > 0 &&
5462 !TAG_IS_AVCI(trk->tag) &&
5463 (par->codec_id != AV_CODEC_ID_DNXHD)) {
5464 trk->vos_len = par->extradata_size;
5465 trk->vos_data = av_malloc(trk->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
5466 if (!trk->vos_data) {
5467 ret = AVERROR(ENOMEM);
5470 memcpy(trk->vos_data, par->extradata, trk->vos_len);
5471 memset(trk->vos_data + trk->vos_len, 0, AV_INPUT_BUFFER_PADDING_SIZE);
5474 if (par->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 &&
5475 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
5476 if (!s->streams[pkt->stream_index]->nb_frames) {
5477 av_log(s, AV_LOG_ERROR, "Malformed AAC bitstream detected: "
5478 "use the audio bitstream filter 'aac_adtstoasc' to fix it "
5479 "('-bsf:a aac_adtstoasc' option with ffmpeg)\n");
5482 av_log(s, AV_LOG_WARNING, "aac bitstream error\n");
5484 if (par->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1 && !TAG_IS_AVCI(trk->tag)) {
5485 /* from x264 or from bytestream H.264 */
5486 /* NAL reformatting needed */
5487 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5488 ret = ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
5492 avio_write(pb, reformatted_data, size);
5494 if (trk->cenc.aes_ctr) {
5495 size = ff_mov_cenc_avc_parse_nal_units(&trk->cenc, pb, pkt->data, size);
5501 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
5504 } else if (par->codec_id == AV_CODEC_ID_HEVC && trk->vos_len > 6 &&
5505 (AV_RB24(trk->vos_data) == 1 || AV_RB32(trk->vos_data) == 1)) {
5506 /* extradata is Annex B, assume the bitstream is too and convert it */
5507 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5508 ret = ff_hevc_annexb2mp4_buf(pkt->data, &reformatted_data,
5512 avio_write(pb, reformatted_data, size);
5514 size = ff_hevc_annexb2mp4(pb, pkt->data, pkt->size, 0, NULL);
5516 } else if (par->codec_id == AV_CODEC_ID_AV1) {
5517 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5518 ret = ff_av1_filter_obus_buf(pkt->data, &reformatted_data,
5522 avio_write(pb, reformatted_data, size);
5524 size = ff_av1_filter_obus(pb, pkt->data, pkt->size);
5526 #if CONFIG_AC3_PARSER
5527 } else if (par->codec_id == AV_CODEC_ID_EAC3) {
5528 size = handle_eac3(mov, pkt, trk);
5533 avio_write(pb, pkt->data, size);
5536 if (trk->cenc.aes_ctr) {
5537 if (par->codec_id == AV_CODEC_ID_H264 && par->extradata_size > 4) {
5538 int nal_size_length = (par->extradata[4] & 0x3) + 1;
5539 ret = ff_mov_cenc_avc_write_nal_units(s, &trk->cenc, nal_size_length, pb, pkt->data, size);
5541 ret = ff_mov_cenc_write_packet(&trk->cenc, pb, pkt->data, size);
5548 avio_write(pb, pkt->data, size);
5552 if ((par->codec_id == AV_CODEC_ID_DNXHD ||
5553 par->codec_id == AV_CODEC_ID_TRUEHD ||
5554 par->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len) {
5555 /* copy frame to create needed atoms */
5556 trk->vos_len = size;
5557 trk->vos_data = av_malloc(size + AV_INPUT_BUFFER_PADDING_SIZE);
5558 if (!trk->vos_data) {
5559 ret = AVERROR(ENOMEM);
5562 memcpy(trk->vos_data, pkt->data, size);
5563 memset(trk->vos_data + size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
5566 if (trk->entry >= trk->cluster_capacity) {
5567 unsigned new_capacity = trk->entry + MOV_INDEX_CLUSTER_SIZE;
5568 if (av_reallocp_array(&trk->cluster, new_capacity,
5569 sizeof(*trk->cluster))) {
5570 ret = AVERROR(ENOMEM);
5573 trk->cluster_capacity = new_capacity;
5576 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
5577 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
5578 trk->cluster[trk->entry].chunkNum = 0;
5579 trk->cluster[trk->entry].size = size;
5580 trk->cluster[trk->entry].entries = samples_in_chunk;
5581 trk->cluster[trk->entry].dts = pkt->dts;
5582 trk->cluster[trk->entry].pts = pkt->pts;
5583 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
5584 if (!trk->frag_discont) {
5585 /* First packet of a new fragment. We already wrote the duration
5586 * of the last packet of the previous fragment based on track_duration,
5587 * which might not exactly match our dts. Therefore adjust the dts
5588 * of this packet to be what the previous packets duration implies. */
5589 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
5590 /* We also may have written the pts and the corresponding duration
5591 * in sidx/tfrf/tfxd tags; make sure the sidx pts and duration match up with
5592 * the next fragment. This means the cts of the first sample must
5593 * be the same in all fragments, unless end_pts was updated by
5594 * the packet causing the fragment to be written. */
5595 if ((mov->flags & FF_MOV_FLAG_DASH &&
5596 !(mov->flags & (FF_MOV_FLAG_GLOBAL_SIDX | FF_MOV_FLAG_SKIP_SIDX))) ||
5597 mov->mode == MODE_ISM)
5598 pkt->pts = pkt->dts + trk->end_pts - trk->cluster[trk->entry].dts;
5600 /* New fragment, but discontinuous from previous fragments.
5601 * Pretend the duration sum of the earlier fragments is
5602 * pkt->dts - trk->start_dts. */
5603 trk->frag_start = pkt->dts - trk->start_dts;
5604 trk->end_pts = AV_NOPTS_VALUE;
5605 trk->frag_discont = 0;
5609 if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !mov->use_editlist &&
5610 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO) {
5611 /* Not using edit lists and shifting the first track to start from zero.
5612 * If the other streams start from a later timestamp, we won't be able
5613 * to signal the difference in starting time without an edit list.
5614 * Thus move the timestamp for this first sample to 0, increasing
5615 * its duration instead. */
5616 trk->cluster[trk->entry].dts = trk->start_dts = 0;
5618 if (trk->start_dts == AV_NOPTS_VALUE) {
5619 trk->start_dts = pkt->dts;
5620 if (trk->frag_discont) {
5621 if (mov->use_editlist) {
5622 /* Pretend the whole stream started at pts=0, with earlier fragments
5623 * already written. If the stream started at pts=0, the duration sum
5624 * of earlier fragments would have been pkt->pts. */
5625 trk->frag_start = pkt->pts;
5626 trk->start_dts = pkt->dts - pkt->pts;
5628 /* Pretend the whole stream started at dts=0, with earlier fragments
5629 * already written, with a duration summing up to pkt->dts. */
5630 trk->frag_start = pkt->dts;
5633 trk->frag_discont = 0;
5634 } else if (pkt->dts && mov->moov_written)
5635 av_log(s, AV_LOG_WARNING,
5636 "Track %d starts with a nonzero dts %"PRId64", while the moov "
5637 "already has been written. Set the delay_moov flag to handle "
5639 pkt->stream_index, pkt->dts);
5641 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
5642 trk->last_sample_is_subtitle_end = 0;
5644 if (pkt->pts == AV_NOPTS_VALUE) {
5645 av_log(s, AV_LOG_WARNING, "pts has no value\n");
5646 pkt->pts = pkt->dts;
5648 if (pkt->dts != pkt->pts)
5649 trk->flags |= MOV_TRACK_CTTS;
5650 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
5651 trk->cluster[trk->entry].flags = 0;
5652 if (trk->start_cts == AV_NOPTS_VALUE)
5653 trk->start_cts = pkt->pts - pkt->dts;
5654 if (trk->end_pts == AV_NOPTS_VALUE)
5655 trk->end_pts = trk->cluster[trk->entry].dts +
5656 trk->cluster[trk->entry].cts + pkt->duration;
5658 trk->end_pts = FFMAX(trk->end_pts, trk->cluster[trk->entry].dts +
5659 trk->cluster[trk->entry].cts +
5662 if (par->codec_id == AV_CODEC_ID_VC1) {
5663 mov_parse_vc1_frame(pkt, trk);
5664 } else if (par->codec_id == AV_CODEC_ID_TRUEHD) {
5665 mov_parse_truehd_frame(pkt, trk);
5666 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
5667 if (mov->mode == MODE_MOV && par->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
5668 trk->entry > 0) { // force sync sample for the first key frame
5669 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
5670 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
5671 trk->flags |= MOV_TRACK_STPS;
5673 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
5675 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
5676 trk->has_keyframes++;
5678 if (pkt->flags & AV_PKT_FLAG_DISPOSABLE) {
5679 trk->cluster[trk->entry].flags |= MOV_DISPOSABLE_SAMPLE;
5680 trk->has_disposable++;
5683 prft = (AVProducerReferenceTime *)av_packet_get_side_data(pkt, AV_PKT_DATA_PRFT, &prft_size);
5684 if (prft && prft_size == sizeof(AVProducerReferenceTime))
5685 memcpy(&trk->cluster[trk->entry].prft, prft, prft_size);
5687 memset(&trk->cluster[trk->entry].prft, 0, sizeof(AVProducerReferenceTime));
5690 trk->sample_count += samples_in_chunk;
5691 mov->mdat_size += size;
5693 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
5694 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
5695 reformatted_data ? reformatted_data + offset
5701 if (pkt->data != reformatted_data)
5702 av_free(reformatted_data);
5706 static int mov_write_single_packet(AVFormatContext *s, AVPacket *pkt)
5708 MOVMuxContext *mov = s->priv_data;
5709 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5710 AVCodecParameters *par = trk->par;
5711 int64_t frag_duration = 0;
5712 int size = pkt->size;
5714 int ret = check_pkt(s, pkt);
5718 if (mov->flags & FF_MOV_FLAG_FRAG_DISCONT) {
5720 for (i = 0; i < s->nb_streams; i++)
5721 mov->tracks[i].frag_discont = 1;
5722 mov->flags &= ~FF_MOV_FLAG_FRAG_DISCONT;
5725 if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS) {
5726 if (trk->dts_shift == AV_NOPTS_VALUE)
5727 trk->dts_shift = pkt->pts - pkt->dts;
5728 pkt->dts += trk->dts_shift;
5731 if (trk->par->codec_id == AV_CODEC_ID_MP4ALS ||
5732 trk->par->codec_id == AV_CODEC_ID_AAC ||
5733 trk->par->codec_id == AV_CODEC_ID_AV1 ||
5734 trk->par->codec_id == AV_CODEC_ID_FLAC) {
5736 uint8_t *side = av_packet_get_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA, &side_size);
5737 if (side && side_size > 0 && (side_size != par->extradata_size || memcmp(side, par->extradata, side_size))) {
5738 void *newextra = av_mallocz(side_size + AV_INPUT_BUFFER_PADDING_SIZE);
5740 return AVERROR(ENOMEM);
5741 av_free(par->extradata);
5742 par->extradata = newextra;
5743 memcpy(par->extradata, side, side_size);
5744 par->extradata_size = side_size;
5745 if (!pkt->size) // Flush packet
5746 mov->need_rewrite_extradata = 1;
5751 if (trk->start_dts == AV_NOPTS_VALUE && trk->frag_discont) {
5752 trk->start_dts = pkt->dts;
5753 if (pkt->pts != AV_NOPTS_VALUE)
5754 trk->start_cts = pkt->pts - pkt->dts;
5759 return 0; /* Discard 0 sized packets */
5762 if (trk->entry && pkt->stream_index < s->nb_streams)
5763 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
5764 s->streams[pkt->stream_index]->time_base,
5766 if ((mov->max_fragment_duration &&
5767 frag_duration >= mov->max_fragment_duration) ||
5768 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
5769 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
5770 par->codec_type == AVMEDIA_TYPE_VIDEO &&
5771 trk->entry && pkt->flags & AV_PKT_FLAG_KEY) ||
5772 (mov->flags & FF_MOV_FLAG_FRAG_EVERY_FRAME)) {
5773 if (frag_duration >= mov->min_fragment_duration) {
5774 // Set the duration of this track to line up with the next
5775 // sample in this track. This avoids relying on AVPacket
5776 // duration, but only helps for this particular track, not
5777 // for the other ones that are flushed at the same time.
5778 trk->track_duration = pkt->dts - trk->start_dts;
5779 if (pkt->pts != AV_NOPTS_VALUE)
5780 trk->end_pts = pkt->pts;
5782 trk->end_pts = pkt->dts;
5783 trk->end_reliable = 1;
5784 mov_auto_flush_fragment(s, 0);
5788 return ff_mov_write_packet(s, pkt);
5791 static int mov_write_subtitle_end_packet(AVFormatContext *s,
5795 uint8_t data[2] = {0};
5798 av_init_packet(&end);
5799 end.size = sizeof(data);
5804 end.stream_index = stream_index;
5806 ret = mov_write_single_packet(s, &end);
5807 av_packet_unref(&end);
5812 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
5814 MOVMuxContext *mov = s->priv_data;
5818 mov_flush_fragment(s, 1);
5822 trk = &mov->tracks[pkt->stream_index];
5824 if (is_cover_image(trk->st)) {
5827 if (trk->st->nb_frames >= 1) {
5828 if (trk->st->nb_frames == 1)
5829 av_log(s, AV_LOG_WARNING, "Got more than one picture in stream %d,"
5830 " ignoring.\n", pkt->stream_index);
5834 if ((ret = av_packet_ref(&trk->cover_image, pkt)) < 0)
5842 return mov_write_single_packet(s, pkt); /* Passthrough. */
5845 * Subtitles require special handling.
5847 * 1) For full complaince, every track must have a sample at
5848 * dts == 0, which is rarely true for subtitles. So, as soon
5849 * as we see any packet with dts > 0, write an empty subtitle
5850 * at dts == 0 for any subtitle track with no samples in it.
5852 * 2) For each subtitle track, check if the current packet's
5853 * dts is past the duration of the last subtitle sample. If
5854 * so, we now need to write an end sample for that subtitle.
5856 * This must be done conditionally to allow for subtitles that
5857 * immediately replace each other, in which case an end sample
5858 * is not needed, and is, in fact, actively harmful.
5860 * 3) See mov_write_trailer for how the final end sample is
5863 for (i = 0; i < mov->nb_streams; i++) {
5864 MOVTrack *trk = &mov->tracks[i];
5867 if (trk->par->codec_id == AV_CODEC_ID_MOV_TEXT &&
5868 trk->track_duration < pkt->dts &&
5869 (trk->entry == 0 || !trk->last_sample_is_subtitle_end)) {
5870 ret = mov_write_subtitle_end_packet(s, i, trk->track_duration);
5871 if (ret < 0) return ret;
5872 trk->last_sample_is_subtitle_end = 1;
5876 if (trk->mode == MODE_MOV && trk->par->codec_type == AVMEDIA_TYPE_VIDEO) {
5877 AVPacket *opkt = pkt;
5878 int reshuffle_ret, ret;
5879 if (trk->is_unaligned_qt_rgb) {
5880 int64_t bpc = trk->par->bits_per_coded_sample != 15 ? trk->par->bits_per_coded_sample : 16;
5881 int expected_stride = ((trk->par->width * bpc + 15) >> 4)*2;
5882 reshuffle_ret = ff_reshuffle_raw_rgb(s, &pkt, trk->par, expected_stride);
5883 if (reshuffle_ret < 0)
5884 return reshuffle_ret;
5887 if (trk->par->format == AV_PIX_FMT_PAL8 && !trk->pal_done) {
5888 ret = ff_get_packet_palette(s, opkt, reshuffle_ret, trk->palette);
5893 } else if (trk->par->codec_id == AV_CODEC_ID_RAWVIDEO &&
5894 (trk->par->format == AV_PIX_FMT_GRAY8 ||
5895 trk->par->format == AV_PIX_FMT_MONOBLACK)) {
5896 for (i = 0; i < pkt->size; i++)
5897 pkt->data[i] = ~pkt->data[i];
5899 if (reshuffle_ret) {
5900 ret = mov_write_single_packet(s, pkt);
5903 av_packet_free(&pkt);
5908 return mov_write_single_packet(s, pkt);
5912 // QuickTime chapters involve an additional text track with the chapter names
5913 // as samples, and a tref pointing from the other tracks to the chapter one.
5914 static int mov_create_chapter_track(AVFormatContext *s, int tracknum)
5918 MOVMuxContext *mov = s->priv_data;
5919 MOVTrack *track = &mov->tracks[tracknum];
5920 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
5923 track->mode = mov->mode;
5924 track->tag = MKTAG('t','e','x','t');
5925 track->timescale = MOV_TIMESCALE;
5926 track->par = avcodec_parameters_alloc();
5928 return AVERROR(ENOMEM);
5929 track->par->codec_type = AVMEDIA_TYPE_SUBTITLE;
5931 // These properties are required to make QT recognize the chapter track
5932 uint8_t chapter_properties[43] = { 0, 0, 0, 0, 0, 0, 0, 1, };
5933 if (ff_alloc_extradata(track->par, sizeof(chapter_properties)))
5934 return AVERROR(ENOMEM);
5935 memcpy(track->par->extradata, chapter_properties, sizeof(chapter_properties));
5937 if (avio_open_dyn_buf(&pb) >= 0) {
5941 /* Stub header (usually for Quicktime chapter track) */
5943 avio_wb32(pb, 0x01); // displayFlags
5944 avio_w8(pb, 0x00); // horizontal justification
5945 avio_w8(pb, 0x00); // vertical justification
5946 avio_w8(pb, 0x00); // bgColourRed
5947 avio_w8(pb, 0x00); // bgColourGreen
5948 avio_w8(pb, 0x00); // bgColourBlue
5949 avio_w8(pb, 0x00); // bgColourAlpha
5951 avio_wb16(pb, 0x00); // defTextBoxTop
5952 avio_wb16(pb, 0x00); // defTextBoxLeft
5953 avio_wb16(pb, 0x00); // defTextBoxBottom
5954 avio_wb16(pb, 0x00); // defTextBoxRight
5956 avio_wb16(pb, 0x00); // startChar
5957 avio_wb16(pb, 0x00); // endChar
5958 avio_wb16(pb, 0x01); // fontID
5959 avio_w8(pb, 0x00); // fontStyleFlags
5960 avio_w8(pb, 0x00); // fontSize
5961 avio_w8(pb, 0x00); // fgColourRed
5962 avio_w8(pb, 0x00); // fgColourGreen
5963 avio_w8(pb, 0x00); // fgColourBlue
5964 avio_w8(pb, 0x00); // fgColourAlpha
5966 avio_wb32(pb, 0x0D); // box size
5967 ffio_wfourcc(pb, "ftab"); // box atom name
5968 avio_wb16(pb, 0x01); // entry count
5970 avio_wb16(pb, 0x01); // font ID
5971 avio_w8(pb, 0x00); // font name length
5973 if ((size = avio_close_dyn_buf(pb, &buf)) > 0) {
5974 track->par->extradata = buf;
5975 track->par->extradata_size = size;
5982 for (i = 0; i < s->nb_chapters; i++) {
5983 AVChapter *c = s->chapters[i];
5984 AVDictionaryEntry *t;
5986 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
5987 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
5988 pkt.duration = end - pkt.dts;
5990 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
5991 static const char encd[12] = {
5992 0x00, 0x00, 0x00, 0x0C,
5994 0x00, 0x00, 0x01, 0x00 };
5995 len = strlen(t->value);
5996 pkt.size = len + 2 + 12;
5997 pkt.data = av_malloc(pkt.size);
5999 return AVERROR(ENOMEM);
6000 AV_WB16(pkt.data, len);
6001 memcpy(pkt.data + 2, t->value, len);
6002 memcpy(pkt.data + len + 2, encd, sizeof(encd));
6003 ff_mov_write_packet(s, &pkt);
6004 av_freep(&pkt.data);
6012 static int mov_check_timecode_track(AVFormatContext *s, AVTimecode *tc, int src_index, const char *tcstr)
6016 /* compute the frame number */
6017 ret = av_timecode_init_from_string(tc, find_fps(s, s->streams[src_index]), tcstr, s);
6021 static int mov_create_timecode_track(AVFormatContext *s, int index, int src_index, AVTimecode tc)
6024 MOVMuxContext *mov = s->priv_data;
6025 MOVTrack *track = &mov->tracks[index];
6026 AVStream *src_st = s->streams[src_index];
6027 AVPacket pkt = {.stream_index = index, .flags = AV_PKT_FLAG_KEY, .size = 4};
6028 AVRational rate = find_fps(s, src_st);
6030 /* tmcd track based on video stream */
6031 track->mode = mov->mode;
6032 track->tag = MKTAG('t','m','c','d');
6033 track->src_track = src_index;
6034 track->timescale = mov->tracks[src_index].timescale;
6035 if (tc.flags & AV_TIMECODE_FLAG_DROPFRAME)
6036 track->timecode_flags |= MOV_TIMECODE_FLAG_DROPFRAME;
6038 /* set st to src_st for metadata access*/
6041 /* encode context: tmcd data stream */
6042 track->par = avcodec_parameters_alloc();
6044 return AVERROR(ENOMEM);
6045 track->par->codec_type = AVMEDIA_TYPE_DATA;
6046 track->par->codec_tag = track->tag;
6047 track->st->avg_frame_rate = av_inv_q(rate);
6049 /* the tmcd track just contains one packet with the frame number */
6050 pkt.data = av_malloc(pkt.size);
6052 return AVERROR(ENOMEM);
6053 AV_WB32(pkt.data, tc.start);
6054 ret = ff_mov_write_packet(s, &pkt);
6060 * st->disposition controls the "enabled" flag in the tkhd tag.
6061 * QuickTime will not play a track if it is not enabled. So make sure
6062 * that one track of each type (audio, video, subtitle) is enabled.
6064 * Subtitles are special. For audio and video, setting "enabled" also
6065 * makes the track "default" (i.e. it is rendered when played). For
6066 * subtitles, an "enabled" subtitle is not rendered by default, but
6067 * if no subtitle is enabled, the subtitle menu in QuickTime will be
6070 static void enable_tracks(AVFormatContext *s)
6072 MOVMuxContext *mov = s->priv_data;
6074 int enabled[AVMEDIA_TYPE_NB];
6075 int first[AVMEDIA_TYPE_NB];
6077 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
6082 for (i = 0; i < s->nb_streams; i++) {
6083 AVStream *st = s->streams[i];
6085 if (st->codecpar->codec_type <= AVMEDIA_TYPE_UNKNOWN ||
6086 st->codecpar->codec_type >= AVMEDIA_TYPE_NB ||
6090 if (first[st->codecpar->codec_type] < 0)
6091 first[st->codecpar->codec_type] = i;
6092 if (st->disposition & AV_DISPOSITION_DEFAULT) {
6093 mov->tracks[i].flags |= MOV_TRACK_ENABLED;
6094 enabled[st->codecpar->codec_type]++;
6098 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
6100 case AVMEDIA_TYPE_VIDEO:
6101 case AVMEDIA_TYPE_AUDIO:
6102 case AVMEDIA_TYPE_SUBTITLE:
6104 mov->per_stream_grouping = 1;
6105 if (!enabled[i] && first[i] >= 0)
6106 mov->tracks[first[i]].flags |= MOV_TRACK_ENABLED;
6112 static void mov_free(AVFormatContext *s)
6114 MOVMuxContext *mov = s->priv_data;
6117 if (mov->chapter_track) {
6118 if (mov->tracks[mov->chapter_track].par)
6119 av_freep(&mov->tracks[mov->chapter_track].par->extradata);
6120 av_freep(&mov->tracks[mov->chapter_track].par);
6123 for (i = 0; i < mov->nb_streams; i++) {
6124 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
6125 ff_mov_close_hinting(&mov->tracks[i]);
6126 else if (mov->tracks[i].tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd)
6127 av_freep(&mov->tracks[i].par);
6128 av_freep(&mov->tracks[i].cluster);
6129 av_freep(&mov->tracks[i].frag_info);
6130 av_packet_unref(&mov->tracks[i].cover_image);
6132 if (mov->tracks[i].eac3_priv) {
6133 struct eac3_info *info = mov->tracks[i].eac3_priv;
6134 av_packet_unref(&info->pkt);
6135 av_freep(&mov->tracks[i].eac3_priv);
6137 if (mov->tracks[i].vos_len)
6138 av_freep(&mov->tracks[i].vos_data);
6140 ff_mov_cenc_free(&mov->tracks[i].cenc);
6143 av_freep(&mov->tracks);
6146 static uint32_t rgb_to_yuv(uint32_t rgb)
6151 r = (rgb >> 16) & 0xFF;
6152 g = (rgb >> 8) & 0xFF;
6155 y = av_clip_uint8(( 16000 + 257 * r + 504 * g + 98 * b)/1000);
6156 cb = av_clip_uint8((128000 - 148 * r - 291 * g + 439 * b)/1000);
6157 cr = av_clip_uint8((128000 + 439 * r - 368 * g - 71 * b)/1000);
6159 return (y << 16) | (cr << 8) | cb;
6162 static int mov_create_dvd_sub_decoder_specific_info(MOVTrack *track,
6165 int i, width = 720, height = 480;
6166 int have_palette = 0, have_size = 0;
6167 uint32_t palette[16];
6168 char *cur = st->codecpar->extradata;
6170 while (cur && *cur) {
6171 if (strncmp("palette:", cur, 8) == 0) {
6173 count = sscanf(cur + 8,
6174 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
6175 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
6176 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
6177 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32"",
6178 &palette[ 0], &palette[ 1], &palette[ 2], &palette[ 3],
6179 &palette[ 4], &palette[ 5], &palette[ 6], &palette[ 7],
6180 &palette[ 8], &palette[ 9], &palette[10], &palette[11],
6181 &palette[12], &palette[13], &palette[14], &palette[15]);
6183 for (i = 0; i < count; i++) {
6184 palette[i] = rgb_to_yuv(palette[i]);
6187 } else if (!strncmp("size:", cur, 5)) {
6188 sscanf(cur + 5, "%dx%d", &width, &height);
6191 if (have_palette && have_size)
6193 cur += strcspn(cur, "\n\r");
6194 cur += strspn(cur, "\n\r");
6197 track->vos_data = av_malloc(16*4 + AV_INPUT_BUFFER_PADDING_SIZE);
6198 if (!track->vos_data)
6199 return AVERROR(ENOMEM);
6200 for (i = 0; i < 16; i++) {
6201 AV_WB32(track->vos_data + i * 4, palette[i]);
6203 memset(track->vos_data + 16*4, 0, AV_INPUT_BUFFER_PADDING_SIZE);
6204 track->vos_len = 16 * 4;
6206 st->codecpar->width = width;
6207 st->codecpar->height = track->height = height;
6212 static int mov_init(AVFormatContext *s)
6214 MOVMuxContext *mov = s->priv_data;
6215 AVDictionaryEntry *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
6220 /* Default mode == MP4 */
6221 mov->mode = MODE_MP4;
6224 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
6225 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
6226 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
6227 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
6228 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
6229 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
6230 else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V;
6233 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
6234 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV;
6236 /* Set the FRAGMENT flag if any of the fragmentation methods are
6238 if (mov->max_fragment_duration || mov->max_fragment_size ||
6239 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
6240 FF_MOV_FLAG_FRAG_KEYFRAME |
6241 FF_MOV_FLAG_FRAG_CUSTOM |
6242 FF_MOV_FLAG_FRAG_EVERY_FRAME))
6243 mov->flags |= FF_MOV_FLAG_FRAGMENT;
6245 /* Set other implicit flags immediately */
6246 if (mov->mode == MODE_ISM)
6247 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
6248 FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS;
6249 if (mov->flags & FF_MOV_FLAG_DASH)
6250 mov->flags |= FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_EMPTY_MOOV |
6251 FF_MOV_FLAG_DEFAULT_BASE_MOOF;
6252 if (mov->flags & FF_MOV_FLAG_CMAF)
6253 mov->flags |= FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_EMPTY_MOOV |
6254 FF_MOV_FLAG_DEFAULT_BASE_MOOF | FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS;
6256 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV && s->flags & AVFMT_FLAG_AUTO_BSF) {
6257 av_log(s, AV_LOG_VERBOSE, "Empty MOOV enabled; disabling automatic bitstream filtering\n");
6258 s->flags &= ~AVFMT_FLAG_AUTO_BSF;
6261 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX && mov->flags & FF_MOV_FLAG_SKIP_SIDX) {
6262 av_log(s, AV_LOG_WARNING, "Global SIDX enabled; Ignoring skip_sidx option\n");
6263 mov->flags &= ~FF_MOV_FLAG_SKIP_SIDX;
6266 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
6267 mov->reserved_moov_size = -1;
6270 if (mov->use_editlist < 0) {
6271 mov->use_editlist = 1;
6272 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
6273 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6274 // If we can avoid needing an edit list by shifting the
6275 // tracks, prefer that over (trying to) write edit lists
6276 // in fragmented output.
6277 if (s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO ||
6278 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO)
6279 mov->use_editlist = 0;
6281 if (mov->flags & FF_MOV_FLAG_CMAF) {
6282 // CMAF Track requires negative cts offsets without edit lists
6283 mov->use_editlist = 0;
6286 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
6287 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV) && mov->use_editlist)
6288 av_log(s, AV_LOG_WARNING, "No meaningful edit list will be written when using empty_moov without delay_moov\n");
6290 if (mov->flags & FF_MOV_FLAG_CMAF && mov->use_editlist) {
6291 av_log(s, AV_LOG_WARNING, "Edit list enabled; Assuming writing CMAF Track File\n");
6292 mov->flags &= ~FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS;
6294 if (!mov->use_editlist && s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO &&
6295 !(mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS))
6296 s->avoid_negative_ts = AVFMT_AVOID_NEG_TS_MAKE_ZERO;
6298 /* Clear the omit_tfhd_offset flag if default_base_moof is set;
6299 * if the latter is set that's enough and omit_tfhd_offset doesn't
6300 * add anything extra on top of that. */
6301 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
6302 mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
6303 mov->flags &= ~FF_MOV_FLAG_OMIT_TFHD_OFFSET;
6305 if (mov->frag_interleave &&
6306 mov->flags & (FF_MOV_FLAG_OMIT_TFHD_OFFSET | FF_MOV_FLAG_SEPARATE_MOOF)) {
6307 av_log(s, AV_LOG_ERROR,
6308 "Sample interleaving in fragments is mutually exclusive with "
6309 "omit_tfhd_offset and separate_moof\n");
6310 return AVERROR(EINVAL);
6313 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
6314 * is enabled, we don't support non-seekable output at all. */
6315 if (!(s->pb->seekable & AVIO_SEEKABLE_NORMAL) &&
6316 (!(mov->flags & FF_MOV_FLAG_FRAGMENT) || mov->ism_lookahead)) {
6317 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
6318 return AVERROR(EINVAL);
6321 mov->nb_streams = s->nb_streams;
6322 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
6323 mov->chapter_track = mov->nb_streams++;
6325 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6326 for (i = 0; i < s->nb_streams; i++)
6327 if (rtp_hinting_needed(s->streams[i]))
6331 if ( mov->write_tmcd == -1 && (mov->mode == MODE_MOV || mov->mode == MODE_MP4)
6332 || mov->write_tmcd == 1) {
6333 /* +1 tmcd track for each video stream with a timecode */
6334 for (i = 0; i < s->nb_streams; i++) {
6335 AVStream *st = s->streams[i];
6336 AVDictionaryEntry *t = global_tcr;
6337 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO &&
6338 (t || (t=av_dict_get(st->metadata, "timecode", NULL, 0)))) {
6340 ret = mov_check_timecode_track(s, &tc, i, t->value);
6342 mov->nb_meta_tmcd++;
6346 /* check if there is already a tmcd track to remux */
6347 if (mov->nb_meta_tmcd) {
6348 for (i = 0; i < s->nb_streams; i++) {
6349 AVStream *st = s->streams[i];
6350 if (st->codecpar->codec_tag == MKTAG('t','m','c','d')) {
6351 av_log(s, AV_LOG_WARNING, "You requested a copy of the original timecode track "
6352 "so timecode metadata are now ignored\n");
6353 mov->nb_meta_tmcd = 0;
6358 mov->nb_streams += mov->nb_meta_tmcd;
6361 // Reserve an extra stream for chapters for the case where chapters
6362 // are written in the trailer
6363 mov->tracks = av_mallocz_array((mov->nb_streams + 1), sizeof(*mov->tracks));
6365 return AVERROR(ENOMEM);
6367 if (mov->encryption_scheme_str != NULL && strcmp(mov->encryption_scheme_str, "none") != 0) {
6368 if (strcmp(mov->encryption_scheme_str, "cenc-aes-ctr") == 0) {
6369 mov->encryption_scheme = MOV_ENC_CENC_AES_CTR;
6371 if (mov->encryption_key_len != AES_CTR_KEY_SIZE) {
6372 av_log(s, AV_LOG_ERROR, "Invalid encryption key len %d expected %d\n",
6373 mov->encryption_key_len, AES_CTR_KEY_SIZE);
6374 return AVERROR(EINVAL);
6377 if (mov->encryption_kid_len != CENC_KID_SIZE) {
6378 av_log(s, AV_LOG_ERROR, "Invalid encryption kid len %d expected %d\n",
6379 mov->encryption_kid_len, CENC_KID_SIZE);
6380 return AVERROR(EINVAL);
6383 av_log(s, AV_LOG_ERROR, "unsupported encryption scheme %s\n",
6384 mov->encryption_scheme_str);
6385 return AVERROR(EINVAL);
6389 for (i = 0; i < s->nb_streams; i++) {
6390 AVStream *st= s->streams[i];
6391 MOVTrack *track= &mov->tracks[i];
6392 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
6395 track->par = st->codecpar;
6396 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
6397 if (track->language < 0)
6398 track->language = 32767; // Unspecified Macintosh language code
6399 track->mode = mov->mode;
6400 track->tag = mov_find_codec_tag(s, track);
6402 av_log(s, AV_LOG_ERROR, "Could not find tag for codec %s in stream #%d, "
6403 "codec not currently supported in container\n",
6404 avcodec_get_name(st->codecpar->codec_id), i);
6405 return AVERROR(EINVAL);
6407 /* If hinting of this track is enabled by a later hint track,
6408 * this is updated. */
6409 track->hint_track = -1;
6410 track->start_dts = AV_NOPTS_VALUE;
6411 track->start_cts = AV_NOPTS_VALUE;
6412 track->end_pts = AV_NOPTS_VALUE;
6413 track->dts_shift = AV_NOPTS_VALUE;
6414 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
6415 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
6416 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
6417 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
6418 if (st->codecpar->width != 720 || (st->codecpar->height != 608 && st->codecpar->height != 512)) {
6419 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
6420 return AVERROR(EINVAL);
6422 track->height = track->tag >> 24 == 'n' ? 486 : 576;
6424 if (mov->video_track_timescale) {
6425 track->timescale = mov->video_track_timescale;
6426 if (mov->mode == MODE_ISM && mov->video_track_timescale != 10000000)
6427 av_log(s, AV_LOG_WARNING, "Warning: some tools, like mp4split, assume a timescale of 10000000 for ISMV.\n");
6429 track->timescale = st->time_base.den;
6430 while(track->timescale < 10000)
6431 track->timescale *= 2;
6433 if (st->codecpar->width > 65535 || st->codecpar->height > 65535) {
6434 av_log(s, AV_LOG_ERROR, "Resolution %dx%d too large for mov/mp4\n", st->codecpar->width, st->codecpar->height);
6435 return AVERROR(EINVAL);
6437 if (track->mode == MODE_MOV && track->timescale > 100000)
6438 av_log(s, AV_LOG_WARNING,
6439 "WARNING codec timebase is very high. If duration is too long,\n"
6440 "file may not be playable by quicktime. Specify a shorter timebase\n"
6441 "or choose different container.\n");
6442 if (track->mode == MODE_MOV &&
6443 track->par->codec_id == AV_CODEC_ID_RAWVIDEO &&
6444 track->tag == MKTAG('r','a','w',' ')) {
6445 enum AVPixelFormat pix_fmt = track->par->format;
6446 if (pix_fmt == AV_PIX_FMT_NONE && track->par->bits_per_coded_sample == 1)
6447 pix_fmt = AV_PIX_FMT_MONOWHITE;
6448 track->is_unaligned_qt_rgb =
6449 pix_fmt == AV_PIX_FMT_RGB24 ||
6450 pix_fmt == AV_PIX_FMT_BGR24 ||
6451 pix_fmt == AV_PIX_FMT_PAL8 ||
6452 pix_fmt == AV_PIX_FMT_GRAY8 ||
6453 pix_fmt == AV_PIX_FMT_MONOWHITE ||
6454 pix_fmt == AV_PIX_FMT_MONOBLACK;
6456 if (track->par->codec_id == AV_CODEC_ID_VP9 ||
6457 track->par->codec_id == AV_CODEC_ID_AV1) {
6458 if (track->mode != MODE_MP4) {
6459 av_log(s, AV_LOG_ERROR, "%s only supported in MP4.\n", avcodec_get_name(track->par->codec_id));
6460 return AVERROR(EINVAL);
6462 } else if (track->par->codec_id == AV_CODEC_ID_VP8) {
6463 /* altref frames handling is not defined in the spec as of version v1.0,
6464 * so just forbid muxing VP8 streams altogether until a new version does */
6465 av_log(s, AV_LOG_ERROR, "VP8 muxing is currently not supported.\n");
6466 return AVERROR_PATCHWELCOME;
6468 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
6469 track->timescale = st->codecpar->sample_rate;
6470 if (!st->codecpar->frame_size && !av_get_bits_per_sample(st->codecpar->codec_id)) {
6471 av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i);
6472 track->audio_vbr = 1;
6473 }else if (st->codecpar->codec_id == AV_CODEC_ID_ADPCM_MS ||
6474 st->codecpar->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
6475 st->codecpar->codec_id == AV_CODEC_ID_ILBC){
6476 if (!st->codecpar->block_align) {
6477 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
6478 return AVERROR(EINVAL);
6480 track->sample_size = st->codecpar->block_align;
6481 }else if (st->codecpar->frame_size > 1){ /* assume compressed audio */
6482 track->audio_vbr = 1;
6484 track->sample_size = (av_get_bits_per_sample(st->codecpar->codec_id) >> 3) * st->codecpar->channels;
6486 if (st->codecpar->codec_id == AV_CODEC_ID_ILBC ||
6487 st->codecpar->codec_id == AV_CODEC_ID_ADPCM_IMA_QT) {
6488 track->audio_vbr = 1;
6490 if (track->mode != MODE_MOV &&
6491 track->par->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
6492 if (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL) {
6493 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not standard, to mux anyway set strict to -1\n",
6494 i, track->par->sample_rate);
6495 return AVERROR(EINVAL);
6497 av_log(s, AV_LOG_WARNING, "track %d: muxing mp3 at %dhz is not standard in MP4\n",
6498 i, track->par->sample_rate);
6501 if (track->par->codec_id == AV_CODEC_ID_FLAC ||
6502 track->par->codec_id == AV_CODEC_ID_TRUEHD ||
6503 track->par->codec_id == AV_CODEC_ID_OPUS) {
6504 if (track->mode != MODE_MP4) {
6505 av_log(s, AV_LOG_ERROR, "%s only supported in MP4.\n", avcodec_get_name(track->par->codec_id));
6506 return AVERROR(EINVAL);
6508 if (track->par->codec_id != AV_CODEC_ID_OPUS &&
6509 s->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
6510 av_log(s, AV_LOG_ERROR,
6511 "%s in MP4 support is experimental, add "
6512 "'-strict %d' if you want to use it.\n",
6513 avcodec_get_name(track->par->codec_id), FF_COMPLIANCE_EXPERIMENTAL);
6514 return AVERROR_EXPERIMENTAL;
6517 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) {
6518 track->timescale = st->time_base.den;
6519 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_DATA) {
6520 track->timescale = st->time_base.den;
6522 track->timescale = MOV_TIMESCALE;
6525 track->height = st->codecpar->height;
6526 /* The Protected Interoperable File Format (PIFF) standard, used by ISMV recommends but
6527 doesn't mandate a track timescale of 10,000,000. The muxer allows a custom timescale
6528 for video tracks, so if user-set, it isn't overwritten */
6529 if (mov->mode == MODE_ISM &&
6530 (st->codecpar->codec_type != AVMEDIA_TYPE_VIDEO ||
6531 (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO && !mov->video_track_timescale))) {
6532 track->timescale = 10000000;
6535 avpriv_set_pts_info(st, 64, 1, track->timescale);
6537 if (mov->encryption_scheme == MOV_ENC_CENC_AES_CTR) {
6538 ret = ff_mov_cenc_init(&track->cenc, mov->encryption_key,
6539 track->par->codec_id == AV_CODEC_ID_H264, s->flags & AVFMT_FLAG_BITEXACT);
6549 static int mov_write_header(AVFormatContext *s)
6551 AVIOContext *pb = s->pb;
6552 MOVMuxContext *mov = s->priv_data;
6553 AVDictionaryEntry *t, *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
6554 int i, ret, hint_track = 0, tmcd_track = 0, nb_tracks = s->nb_streams;
6556 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
6559 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6560 hint_track = nb_tracks;
6561 for (i = 0; i < s->nb_streams; i++)
6562 if (rtp_hinting_needed(s->streams[i]))
6566 if (mov->nb_meta_tmcd)
6567 tmcd_track = nb_tracks;
6569 for (i = 0; i < s->nb_streams; i++) {
6571 AVStream *st= s->streams[i];
6572 MOVTrack *track= &mov->tracks[i];
6574 /* copy extradata if it exists */
6575 if (st->codecpar->extradata_size) {
6576 if (st->codecpar->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
6577 mov_create_dvd_sub_decoder_specific_info(track, st);
6578 else if (!TAG_IS_AVCI(track->tag) && st->codecpar->codec_id != AV_CODEC_ID_DNXHD) {
6579 track->vos_len = st->codecpar->extradata_size;
6580 track->vos_data = av_malloc(track->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
6581 if (!track->vos_data) {
6582 return AVERROR(ENOMEM);
6584 memcpy(track->vos_data, st->codecpar->extradata, track->vos_len);
6585 memset(track->vos_data + track->vos_len, 0, AV_INPUT_BUFFER_PADDING_SIZE);
6589 if (st->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ||
6590 track->par->channel_layout != AV_CH_LAYOUT_MONO)
6593 for (j = 0; j < s->nb_streams; j++) {
6594 AVStream *stj= s->streams[j];
6595 MOVTrack *trackj= &mov->tracks[j];
6599 if (stj->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ||
6600 trackj->par->channel_layout != AV_CH_LAYOUT_MONO ||
6601 trackj->language != track->language ||
6602 trackj->tag != track->tag
6605 track->multichannel_as_mono++;
6609 if (!(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6610 if ((ret = mov_write_identification(pb, s)) < 0)
6614 if (mov->reserved_moov_size){
6615 mov->reserved_header_pos = avio_tell(pb);
6616 if (mov->reserved_moov_size > 0)
6617 avio_skip(pb, mov->reserved_moov_size);
6620 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
6621 /* If no fragmentation options have been set, set a default. */
6622 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
6623 FF_MOV_FLAG_FRAG_CUSTOM |
6624 FF_MOV_FLAG_FRAG_EVERY_FRAME)) &&
6625 !mov->max_fragment_duration && !mov->max_fragment_size)
6626 mov->flags |= FF_MOV_FLAG_FRAG_KEYFRAME;
6628 if (mov->flags & FF_MOV_FLAG_FASTSTART)
6629 mov->reserved_header_pos = avio_tell(pb);
6630 mov_write_mdat_tag(pb, mov);
6633 ff_parse_creation_time_metadata(s, &mov->time, 1);
6635 mov->time += 0x7C25B080; // 1970 based -> 1904 based
6637 if (mov->chapter_track)
6638 if ((ret = mov_create_chapter_track(s, mov->chapter_track)) < 0)
6641 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6642 for (i = 0; i < s->nb_streams; i++) {
6643 if (rtp_hinting_needed(s->streams[i])) {
6644 if ((ret = ff_mov_init_hinting(s, hint_track, i)) < 0)
6651 if (mov->nb_meta_tmcd) {
6652 /* Initialize the tmcd tracks */
6653 for (i = 0; i < s->nb_streams; i++) {
6654 AVStream *st = s->streams[i];
6657 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
6660 t = av_dict_get(st->metadata, "timecode", NULL, 0);
6663 if (mov_check_timecode_track(s, &tc, i, t->value) < 0)
6665 if ((ret = mov_create_timecode_track(s, tmcd_track, i, tc)) < 0)
6674 if (mov->flags & FF_MOV_FLAG_ISML)
6675 mov_write_isml_manifest(pb, mov, s);
6677 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
6678 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6679 if ((ret = mov_write_moov_tag(pb, mov, s)) < 0)
6681 mov->moov_written = 1;
6682 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
6683 mov->reserved_header_pos = avio_tell(pb);
6689 static int get_moov_size(AVFormatContext *s)
6692 AVIOContext *moov_buf;
6693 MOVMuxContext *mov = s->priv_data;
6695 if ((ret = ffio_open_null_buf(&moov_buf)) < 0)
6697 if ((ret = mov_write_moov_tag(moov_buf, mov, s)) < 0)
6699 return ffio_close_null_buf(moov_buf);
6702 static int get_sidx_size(AVFormatContext *s)
6706 MOVMuxContext *mov = s->priv_data;
6708 if ((ret = ffio_open_null_buf(&buf)) < 0)
6710 mov_write_sidx_tags(buf, mov, -1, 0);
6711 return ffio_close_null_buf(buf);
6715 * This function gets the moov size if moved to the top of the file: the chunk
6716 * offset table can switch between stco (32-bit entries) to co64 (64-bit
6717 * entries) when the moov is moved to the beginning, so the size of the moov
6718 * would change. It also updates the chunk offset tables.
6720 static int compute_moov_size(AVFormatContext *s)
6722 int i, moov_size, moov_size2;
6723 MOVMuxContext *mov = s->priv_data;
6725 moov_size = get_moov_size(s);
6729 for (i = 0; i < mov->nb_streams; i++)
6730 mov->tracks[i].data_offset += moov_size;
6732 moov_size2 = get_moov_size(s);
6736 /* if the size changed, we just switched from stco to co64 and need to
6737 * update the offsets */
6738 if (moov_size2 != moov_size)
6739 for (i = 0; i < mov->nb_streams; i++)
6740 mov->tracks[i].data_offset += moov_size2 - moov_size;
6745 static int compute_sidx_size(AVFormatContext *s)
6748 MOVMuxContext *mov = s->priv_data;
6750 sidx_size = get_sidx_size(s);
6754 for (i = 0; i < mov->nb_streams; i++)
6755 mov->tracks[i].data_offset += sidx_size;
6760 static int shift_data(AVFormatContext *s)
6762 int ret = 0, moov_size;
6763 MOVMuxContext *mov = s->priv_data;
6764 int64_t pos, pos_end;
6765 uint8_t *buf, *read_buf[2];
6766 int read_buf_id = 0;
6768 AVIOContext *read_pb;
6770 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
6771 moov_size = compute_sidx_size(s);
6773 moov_size = compute_moov_size(s);
6777 buf = av_malloc(moov_size * 2);
6779 return AVERROR(ENOMEM);
6781 read_buf[1] = buf + moov_size;
6783 /* Shift the data: the AVIO context of the output can only be used for
6784 * writing, so we re-open the same output, but for reading. It also avoids
6785 * a read/seek/write/seek back and forth. */
6787 ret = s->io_open(s, &read_pb, s->url, AVIO_FLAG_READ, NULL);
6789 av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for "
6790 "the second pass (faststart)\n", s->url);
6794 /* mark the end of the shift to up to the last data we wrote, and get ready
6796 pos_end = avio_tell(s->pb);
6797 avio_seek(s->pb, mov->reserved_header_pos + moov_size, SEEK_SET);
6799 /* start reading at where the new moov will be placed */
6800 avio_seek(read_pb, mov->reserved_header_pos, SEEK_SET);
6801 pos = avio_tell(read_pb);
6803 #define READ_BLOCK do { \
6804 read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
6808 /* shift data by chunk of at most moov_size */
6813 n = read_size[read_buf_id];
6816 avio_write(s->pb, read_buf[read_buf_id], n);
6818 } while (pos < pos_end);
6819 ff_format_io_close(s, &read_pb);
6826 static int mov_write_trailer(AVFormatContext *s)
6828 MOVMuxContext *mov = s->priv_data;
6829 AVIOContext *pb = s->pb;
6834 if (mov->need_rewrite_extradata) {
6835 for (i = 0; i < s->nb_streams; i++) {
6836 MOVTrack *track = &mov->tracks[i];
6837 AVCodecParameters *par = track->par;
6839 track->vos_len = par->extradata_size;
6840 track->vos_data = av_malloc(track->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
6841 if (!track->vos_data)
6842 return AVERROR(ENOMEM);
6843 memcpy(track->vos_data, par->extradata, track->vos_len);
6844 memset(track->vos_data + track->vos_len, 0, AV_INPUT_BUFFER_PADDING_SIZE);
6846 mov->need_rewrite_extradata = 0;
6850 * Before actually writing the trailer, make sure that there are no
6851 * dangling subtitles, that need a terminating sample.
6853 for (i = 0; i < mov->nb_streams; i++) {
6854 MOVTrack *trk = &mov->tracks[i];
6855 if (trk->par->codec_id == AV_CODEC_ID_MOV_TEXT &&
6856 !trk->last_sample_is_subtitle_end) {
6857 mov_write_subtitle_end_packet(s, i, trk->track_duration);
6858 trk->last_sample_is_subtitle_end = 1;
6862 // If there were no chapters when the header was written, but there
6863 // are chapters now, write them in the trailer. This only works
6864 // when we are not doing fragments.
6865 if (!mov->chapter_track && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
6866 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters) {
6867 mov->chapter_track = mov->nb_streams++;
6868 if ((res = mov_create_chapter_track(s, mov->chapter_track)) < 0)
6873 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
6874 moov_pos = avio_tell(pb);
6876 /* Write size of mdat tag */
6877 if (mov->mdat_size + 8 <= UINT32_MAX) {
6878 avio_seek(pb, mov->mdat_pos, SEEK_SET);
6879 avio_wb32(pb, mov->mdat_size + 8);
6881 /* overwrite 'wide' placeholder atom */
6882 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
6883 /* special value: real atom size will be 64 bit value after
6886 ffio_wfourcc(pb, "mdat");
6887 avio_wb64(pb, mov->mdat_size + 16);
6889 avio_seek(pb, mov->reserved_moov_size > 0 ? mov->reserved_header_pos : moov_pos, SEEK_SET);
6891 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
6892 av_log(s, AV_LOG_INFO, "Starting second pass: moving the moov atom to the beginning of the file\n");
6893 res = shift_data(s);
6896 avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
6897 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6899 } else if (mov->reserved_moov_size > 0) {
6901 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6903 size = mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_header_pos);
6905 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
6906 return AVERROR(EINVAL);
6908 avio_wb32(pb, size);
6909 ffio_wfourcc(pb, "free");
6910 ffio_fill(pb, 0, size - 8);
6911 avio_seek(pb, moov_pos, SEEK_SET);
6913 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6918 mov_auto_flush_fragment(s, 1);
6919 for (i = 0; i < mov->nb_streams; i++)
6920 mov->tracks[i].data_offset = 0;
6921 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX) {
6923 av_log(s, AV_LOG_INFO, "Starting second pass: inserting sidx atoms\n");
6924 res = shift_data(s);
6927 end = avio_tell(pb);
6928 avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
6929 mov_write_sidx_tags(pb, mov, -1, 0);
6930 avio_seek(pb, end, SEEK_SET);
6932 if (!(mov->flags & FF_MOV_FLAG_SKIP_TRAILER)) {
6933 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_TRAILER);
6934 mov_write_mfra_tag(pb, mov);
6941 static int mov_check_bitstream(struct AVFormatContext *s, const AVPacket *pkt)
6944 AVStream *st = s->streams[pkt->stream_index];
6946 if (st->codecpar->codec_id == AV_CODEC_ID_AAC) {
6947 if (pkt->size > 2 && (AV_RB16(pkt->data) & 0xfff0) == 0xfff0)
6948 ret = ff_stream_add_bitstream_filter(st, "aac_adtstoasc", NULL);
6949 } else if (st->codecpar->codec_id == AV_CODEC_ID_VP9) {
6950 ret = ff_stream_add_bitstream_filter(st, "vp9_superframe", NULL);
6956 static const AVCodecTag codec_3gp_tags[] = {
6957 { AV_CODEC_ID_H263, MKTAG('s','2','6','3') },
6958 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
6959 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
6960 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
6961 { AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
6962 { AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
6963 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
6964 { AV_CODEC_ID_NONE, 0 },
6967 const AVCodecTag codec_mp4_tags[] = {
6968 { AV_CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
6969 { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') },
6970 { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '3') },
6971 { AV_CODEC_ID_HEVC, MKTAG('h', 'e', 'v', '1') },
6972 { AV_CODEC_ID_HEVC, MKTAG('h', 'v', 'c', '1') },
6973 { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', '4', 'v') },
6974 { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', '4', 'v') },
6975 { AV_CODEC_ID_MJPEG, MKTAG('m', 'p', '4', 'v') },
6976 { AV_CODEC_ID_PNG, MKTAG('m', 'p', '4', 'v') },
6977 { AV_CODEC_ID_JPEG2000, MKTAG('m', 'p', '4', 'v') },
6978 { AV_CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') },
6979 { AV_CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
6980 { AV_CODEC_ID_TSCC2, MKTAG('m', 'p', '4', 'v') },
6981 { AV_CODEC_ID_VP9, MKTAG('v', 'p', '0', '9') },
6982 { AV_CODEC_ID_AV1, MKTAG('a', 'v', '0', '1') },
6983 { AV_CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
6984 { AV_CODEC_ID_MP4ALS, MKTAG('m', 'p', '4', 'a') },
6985 { AV_CODEC_ID_MP3, MKTAG('m', 'p', '4', 'a') },
6986 { AV_CODEC_ID_MP2, MKTAG('m', 'p', '4', 'a') },
6987 { AV_CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') },
6988 { AV_CODEC_ID_EAC3, MKTAG('e', 'c', '-', '3') },
6989 { AV_CODEC_ID_DTS, MKTAG('m', 'p', '4', 'a') },
6990 { AV_CODEC_ID_TRUEHD, MKTAG('m', 'l', 'p', 'a') },
6991 { AV_CODEC_ID_FLAC, MKTAG('f', 'L', 'a', 'C') },
6992 { AV_CODEC_ID_OPUS, MKTAG('O', 'p', 'u', 's') },
6993 { AV_CODEC_ID_VORBIS, MKTAG('m', 'p', '4', 'a') },
6994 { AV_CODEC_ID_QCELP, MKTAG('m', 'p', '4', 'a') },
6995 { AV_CODEC_ID_EVRC, MKTAG('m', 'p', '4', 'a') },
6996 { AV_CODEC_ID_DVD_SUBTITLE, MKTAG('m', 'p', '4', 's') },
6997 { AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
6998 { AV_CODEC_ID_BIN_DATA, MKTAG('g', 'p', 'm', 'd') },
6999 { AV_CODEC_ID_MPEGH_3D_AUDIO, MKTAG('m', 'h', 'm', '1') },
7000 { AV_CODEC_ID_NONE, 0 },
7003 const AVCodecTag codec_ism_tags[] = {
7004 { AV_CODEC_ID_WMAPRO , MKTAG('w', 'm', 'a', ' ') },
7005 { AV_CODEC_ID_NONE , 0 },
7008 static const AVCodecTag codec_ipod_tags[] = {
7009 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
7010 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
7011 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
7012 { AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') },
7013 { AV_CODEC_ID_AC3, MKTAG('a','c','-','3') },
7014 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
7015 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
7016 { AV_CODEC_ID_NONE, 0 },
7019 static const AVCodecTag codec_f4v_tags[] = {
7020 { AV_CODEC_ID_MP3, MKTAG('.','m','p','3') },
7021 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
7022 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
7023 { AV_CODEC_ID_VP6A, MKTAG('V','P','6','A') },
7024 { AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') },
7025 { AV_CODEC_ID_NONE, 0 },
7028 #if CONFIG_MOV_MUXER
7030 AVOutputFormat ff_mov_muxer = {
7032 .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
7033 .extensions = "mov",
7034 .priv_data_size = sizeof(MOVMuxContext),
7035 .audio_codec = AV_CODEC_ID_AAC,
7036 .video_codec = CONFIG_LIBX264_ENCODER ?
7037 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
7039 .write_header = mov_write_header,
7040 .write_packet = mov_write_packet,
7041 .write_trailer = mov_write_trailer,
7043 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7044 .codec_tag = (const AVCodecTag* const []){
7045 ff_codec_movvideo_tags, ff_codec_movaudio_tags, ff_codec_movsubtitle_tags, 0
7047 .check_bitstream = mov_check_bitstream,
7048 .priv_class = &mov_muxer_class,
7051 #if CONFIG_TGP_MUXER
7053 AVOutputFormat ff_tgp_muxer = {
7055 .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
7056 .extensions = "3gp",
7057 .priv_data_size = sizeof(MOVMuxContext),
7058 .audio_codec = AV_CODEC_ID_AMR_NB,
7059 .video_codec = AV_CODEC_ID_H263,
7061 .write_header = mov_write_header,
7062 .write_packet = mov_write_packet,
7063 .write_trailer = mov_write_trailer,
7065 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7066 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
7067 .check_bitstream = mov_check_bitstream,
7068 .priv_class = &tgp_muxer_class,
7071 #if CONFIG_MP4_MUXER
7073 AVOutputFormat ff_mp4_muxer = {
7075 .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
7076 .mime_type = "video/mp4",
7077 .extensions = "mp4",
7078 .priv_data_size = sizeof(MOVMuxContext),
7079 .audio_codec = AV_CODEC_ID_AAC,
7080 .video_codec = CONFIG_LIBX264_ENCODER ?
7081 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
7083 .write_header = mov_write_header,
7084 .write_packet = mov_write_packet,
7085 .write_trailer = mov_write_trailer,
7087 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7088 .codec_tag = (const AVCodecTag* const []){ codec_mp4_tags, 0 },
7089 .check_bitstream = mov_check_bitstream,
7090 .priv_class = &mp4_muxer_class,
7093 #if CONFIG_PSP_MUXER
7095 AVOutputFormat ff_psp_muxer = {
7097 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
7098 .extensions = "mp4,psp",
7099 .priv_data_size = sizeof(MOVMuxContext),
7100 .audio_codec = AV_CODEC_ID_AAC,
7101 .video_codec = CONFIG_LIBX264_ENCODER ?
7102 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
7104 .write_header = mov_write_header,
7105 .write_packet = mov_write_packet,
7106 .write_trailer = mov_write_trailer,
7108 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7109 .codec_tag = (const AVCodecTag* const []){ codec_mp4_tags, 0 },
7110 .check_bitstream = mov_check_bitstream,
7111 .priv_class = &psp_muxer_class,
7114 #if CONFIG_TG2_MUXER
7116 AVOutputFormat ff_tg2_muxer = {
7118 .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
7119 .extensions = "3g2",
7120 .priv_data_size = sizeof(MOVMuxContext),
7121 .audio_codec = AV_CODEC_ID_AMR_NB,
7122 .video_codec = AV_CODEC_ID_H263,
7124 .write_header = mov_write_header,
7125 .write_packet = mov_write_packet,
7126 .write_trailer = mov_write_trailer,
7128 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7129 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
7130 .check_bitstream = mov_check_bitstream,
7131 .priv_class = &tg2_muxer_class,
7134 #if CONFIG_IPOD_MUXER
7136 AVOutputFormat ff_ipod_muxer = {
7138 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
7139 .mime_type = "video/mp4",
7140 .extensions = "m4v,m4a,m4b",
7141 .priv_data_size = sizeof(MOVMuxContext),
7142 .audio_codec = AV_CODEC_ID_AAC,
7143 .video_codec = AV_CODEC_ID_H264,
7145 .write_header = mov_write_header,
7146 .write_packet = mov_write_packet,
7147 .write_trailer = mov_write_trailer,
7149 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7150 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
7151 .check_bitstream = mov_check_bitstream,
7152 .priv_class = &ipod_muxer_class,
7155 #if CONFIG_ISMV_MUXER
7157 AVOutputFormat ff_ismv_muxer = {
7159 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
7160 .mime_type = "video/mp4",
7161 .extensions = "ismv,isma",
7162 .priv_data_size = sizeof(MOVMuxContext),
7163 .audio_codec = AV_CODEC_ID_AAC,
7164 .video_codec = AV_CODEC_ID_H264,
7166 .write_header = mov_write_header,
7167 .write_packet = mov_write_packet,
7168 .write_trailer = mov_write_trailer,
7170 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
7171 .codec_tag = (const AVCodecTag* const []){
7172 codec_mp4_tags, codec_ism_tags, 0 },
7173 .check_bitstream = mov_check_bitstream,
7174 .priv_class = &ismv_muxer_class,
7177 #if CONFIG_F4V_MUXER
7179 AVOutputFormat ff_f4v_muxer = {
7181 .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
7182 .mime_type = "application/f4v",
7183 .extensions = "f4v",
7184 .priv_data_size = sizeof(MOVMuxContext),
7185 .audio_codec = AV_CODEC_ID_AAC,
7186 .video_codec = AV_CODEC_ID_H264,
7188 .write_header = mov_write_header,
7189 .write_packet = mov_write_packet,
7190 .write_trailer = mov_write_trailer,
7192 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
7193 .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 },
7194 .check_bitstream = mov_check_bitstream,
7195 .priv_class = &f4v_muxer_class,